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- /*
- * +----------------------------------------------------------------------+
- * | Zend JIT |
- * +----------------------------------------------------------------------+
- * | Copyright (c) The PHP Group |
- * +----------------------------------------------------------------------+
- * | This source file is subject to version 3.01 of the PHP license, |
- * | that is bundled with this package in the file LICENSE, and is |
- * | available through the world-wide-web at the following url: |
- * | https://www.php.net/license/3_01.txt |
- * | If you did not receive a copy of the PHP license and are unable to |
- * | obtain it through the world-wide-web, please send a note to |
- * | license@php.net so we can mail you a copy immediately. |
- * +----------------------------------------------------------------------+
- * | Authors: Dmitry Stogov <dmitry@php.net> |
- * | Xinchen Hui <laruence@php.net> |
- * +----------------------------------------------------------------------+
- */
- |.if X64
- |.arch x64
- |.else
- |.arch x86
- |.endif
- |.if X64WIN
- |.define FP, r14
- |.define IP, r15
- |.define IPl, r15d
- |.define RX, r15 // the same as VM IP reused as a general purpose reg
- |.define CARG1, rcx // x64/POSIX C call arguments.
- |.define CARG2, rdx
- |.define CARG3, r8
- |.define CARG4, r9
- |.define CARG1d, ecx
- |.define CARG2d, edx
- |.define CARG3d, r8d
- |.define CARG4d, r9d
- |.define FCARG1a, CARG1 // Simulate x86 fastcall.
- |.define FCARG2a, CARG2
- |.define FCARG1d, CARG1d
- |.define FCARG2d, CARG2d
- |.define SPAD, 0x58 // padding for CPU stack alignment
- |.define NR_SPAD, 0x58 // padding for CPU stack alignment
- |.define T3, [r4+0x50] // Used to store old value of IP
- |.define T2, [r4+0x48] // Used to store old value of FP
- |.define T1, [r4+0x40]
- |.define A6, [r4+0x28] // preallocated slot for 6-th argument
- |.define A5, [r4+0x20] // preallocated slot for 5-th argument
- |.elif X64
- |.define FP, r14
- |.define IP, r15
- |.define IPl, r15d
- |.define RX, r15 // the same as VM IP reused as a general purpose reg
- |.define CARG1, rdi // x64/POSIX C call arguments.
- |.define CARG2, rsi
- |.define CARG3, rdx
- |.define CARG4, rcx
- |.define CARG5, r8
- |.define CARG6, r9
- |.define CARG1d, edi
- |.define CARG2d, esi
- |.define CARG3d, edx
- |.define CARG4d, ecx
- |.define CARG5d, r8d
- |.define CARG6d, r9d
- |.define FCARG1a, CARG1 // Simulate x86 fastcall.
- |.define FCARG2a, CARG2
- |.define FCARG1d, CARG1d
- |.define FCARG2d, CARG2d
- |.define SPAD, 0x18 // padding for CPU stack alignment
- |.define NR_SPAD, 0x28 // padding for CPU stack alignment
- |.define T3, [r4+0x20] // Used to store old value of IP (CALL VM only)
- |.define T2, [r4+0x18] // Used to store old value of FP (CALL VM only)
- |.define T1, [r4]
- |.else
- |.define FP, esi
- |.define IP, edi
- |.define IPl, edi
- |.define RX, edi // the same as VM IP reused as a general purpose reg
- |.define FCARG1a, ecx // x86 fastcall arguments.
- |.define FCARG2a, edx
- |.define FCARG1d, ecx
- |.define FCARG2d, edx
- |.define SPAD, 0x1c // padding for CPU stack alignment
- |.define NR_SPAD, 0x1c // padding for CPU stack alignment
- |.define T3, [r4+0x18] // Used to store old value of IP (CALL VM only)
- |.define T2, [r4+0x14] // Used to store old value of FP (CALL VM only)
- |.define T1, [r4]
- |.define A4, [r4+0xC] // preallocated slots for arguments of "cdecl" functions (intersect with T1)
- |.define A3, [r4+0x8]
- |.define A2, [r4+0x4]
- |.define A1, [r4]
- |.endif
- |.define HYBRID_SPAD, 16 // padding for stack alignment
- #ifdef _WIN64
- # define TMP_ZVAL_OFFSET 0x20
- #else
- # define TMP_ZVAL_OFFSET 0
- #endif
- #define DASM_ALIGNMENT 16
- /* According to x86 and x86_64 ABI, CPU stack has to be 16 byte aligned to
- * guarantee proper alignment of 128-bit SSE data allocated on stack.
- * With broken alignment any execution of SSE code, including calls to
- * memcpy() and others, may lead to crash.
- */
- const char* zend_reg_name[] = {
- #if defined(__x86_64__) || defined(_M_X64)
- "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
- "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
- "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"
- #else
- "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
- "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
- #endif
- };
- /* Simulate x86 fastcall */
- #ifdef _WIN64
- # define ZREG_FCARG1 ZREG_RCX
- # define ZREG_FCARG2 ZREG_RDX
- #elif defined(__x86_64__)
- # define ZREG_FCARG1 ZREG_RDI
- # define ZREG_FCARG2 ZREG_RSI
- #else
- # define ZREG_FCARG1 ZREG_RCX
- # define ZREG_FCARG2 ZREG_RDX
- #endif
- |.type EX, zend_execute_data, FP
- |.type OP, zend_op
- |.type ZVAL, zval
- |.actionlist dasm_actions
- |.globals zend_lb
- |.section code, cold_code, jmp_table
- static void* dasm_labels[zend_lb_MAX];
- #if ZTS
- static size_t tsrm_ls_cache_tcb_offset = 0;
- static size_t tsrm_tls_index;
- static size_t tsrm_tls_offset;
- #endif
- #define IS_32BIT(addr) (((uintptr_t)(addr)) <= 0x7fffffff)
- #define IS_SIGNED_32BIT(val) ((((intptr_t)(val)) <= 0x7fffffff) && (((intptr_t)(val)) >= (-2147483647 - 1)))
- /* Call range is before or after 2GB */
- #define MAY_USE_32BIT_ADDR(addr) \
- (IS_SIGNED_32BIT((char*)(addr) - (char*)dasm_buf) && \
- IS_SIGNED_32BIT((char*)(addr) - (char*)dasm_end))
- #define CAN_USE_AVX() (JIT_G(opt_flags) & allowed_opt_flags & ZEND_JIT_CPU_AVX)
- /* Not Implemented Yet */
- |.macro NIY
- || //ZEND_ASSERT(0);
- | int3
- |.endmacro
- |.macro NIY_STUB
- || //ZEND_ASSERT(0);
- | int3
- |.endmacro
- |.macro ADD_HYBRID_SPAD
- ||#ifndef ZEND_VM_HYBRID_JIT_RED_ZONE_SIZE
- | add r4, HYBRID_SPAD
- ||#endif
- |.endmacro
- |.macro SUB_HYBRID_SPAD
- ||#ifndef ZEND_VM_HYBRID_JIT_RED_ZONE_SIZE
- | sub r4, HYBRID_SPAD
- ||#endif
- |.endmacro
- |.macro LOAD_ADDR, reg, addr
- | .if X64
- || if (IS_SIGNED_32BIT(addr)) {
- | mov reg, ((ptrdiff_t)addr) // 0x48 0xc7 0xc0 <imm-32-bit>
- || } else {
- | mov64 reg, ((ptrdiff_t)addr) // 0x48 0xb8 <imm-64-bit>
- || }
- | .else
- | mov reg, ((ptrdiff_t)addr)
- | .endif
- |.endmacro
- |.macro LOAD_TSRM_CACHE, reg
- | .if X64WIN
- | gs
- | mov reg, aword [0x58]
- | mov reg, aword [reg+tsrm_tls_index]
- | mov reg, aword [reg+tsrm_tls_offset]
- | .elif WIN
- | fs
- | mov reg, aword [0x2c]
- | mov reg, aword [reg+tsrm_tls_index]
- | mov reg, aword [reg+tsrm_tls_offset]
- | .elif X64APPLE
- | gs
- || if (tsrm_ls_cache_tcb_offset) {
- | mov reg, aword [tsrm_ls_cache_tcb_offset]
- || } else {
- | mov reg, aword [tsrm_tls_index]
- | mov reg, aword [reg+tsrm_tls_offset]
- || }
- | .elif X64
- | fs
- || if (tsrm_ls_cache_tcb_offset) {
- | mov reg, aword [tsrm_ls_cache_tcb_offset]
- || } else {
- | mov reg, [0x8]
- | mov reg, aword [reg+tsrm_tls_index]
- | mov reg, aword [reg+tsrm_tls_offset]
- || }
- | .else
- | gs
- || if (tsrm_ls_cache_tcb_offset) {
- | mov reg, aword [tsrm_ls_cache_tcb_offset]
- || } else {
- | mov reg, [0x4]
- | mov reg, aword [reg+tsrm_tls_index]
- | mov reg, aword [reg+tsrm_tls_offset]
- || }
- | .endif
- |.endmacro
- |.macro LOAD_ADDR_ZTS, reg, struct, field
- | .if ZTS
- | LOAD_TSRM_CACHE reg
- | lea reg, aword [reg + (struct.._offset + offsetof(zend_..struct, field))]
- | .else
- | LOAD_ADDR reg, &struct.field
- | .endif
- |.endmacro
- |.macro PUSH_ADDR, addr, tmp_reg
- | .if X64
- || if (IS_SIGNED_32BIT(addr)) {
- | push ((ptrdiff_t)addr)
- || } else {
- | mov64 tmp_reg, ((ptrdiff_t)addr)
- | push tmp_reg
- || }
- | .else
- | push ((ptrdiff_t)addr)
- | .endif
- |.endmacro
- |.macro ADDR_STORE, mem, addr, tmp_reg
- | .if X64
- || if (IS_SIGNED_32BIT(addr)) {
- | mov mem, ((ptrdiff_t)addr)
- || } else {
- | mov64 tmp_reg, ((ptrdiff_t)addr)
- | mov mem, tmp_reg
- || }
- | .else
- | mov mem, ((ptrdiff_t)addr)
- | .endif
- |.endmacro
- |.macro ADDR_CMP, mem, addr, tmp_reg
- | .if X64
- || if (IS_SIGNED_32BIT(addr)) {
- | cmp mem, ((ptrdiff_t)addr)
- || } else {
- | mov64 tmp_reg, ((ptrdiff_t)addr)
- | cmp mem, tmp_reg
- || }
- | .else
- | cmp mem, ((ptrdiff_t)addr)
- | .endif
- |.endmacro
- |.macro PUSH_ADDR_ZTS, struct, field, tmp_reg
- | .if ZTS
- | LOAD_TSRM_CACHE tmp_reg
- | lea tmp_reg, aword [tmp_reg + (struct.._offset + offsetof(zend_..struct, field))]
- | push tmp_reg
- | .else
- | PUSH_ADDR &struct.field, tmp_reg
- | .endif
- |.endmacro
- |.macro _MEM_OP, mem_ins, prefix, addr, op2, tmp_reg
- | .if X64
- || if (IS_SIGNED_32BIT(addr)) {
- | mem_ins prefix [addr], op2
- || } else {
- | mov64 tmp_reg, ((ptrdiff_t)addr)
- | mem_ins prefix [tmp_reg], op2
- || }
- | .else
- | mem_ins prefix [addr], op2
- | .endif
- |.endmacro
- |.macro MEM_LOAD_OP, mem_ins, reg, prefix, addr, tmp_reg
- | .if X64
- || if (IS_SIGNED_32BIT(addr)) {
- | mem_ins reg, prefix [addr]
- || } else {
- | mov64 tmp_reg, ((ptrdiff_t)addr)
- | mem_ins reg, prefix [tmp_reg]
- || }
- | .else
- | mem_ins reg, prefix [addr]
- | .endif
- |.endmacro
- |.macro MEM_LOAD, op1, prefix, addr, tmp_reg
- | MEM_LOAD_OP mov, op1, prefix, addr, tmp_reg
- |.endmacro
- |.macro _MEM_OP_ZTS, mem_ins, prefix, struct, field, op2, tmp_reg
- | .if ZTS
- | LOAD_TSRM_CACHE tmp_reg
- | mem_ins prefix [tmp_reg+(struct.._offset+offsetof(zend_..struct, field))], op2
- | .else
- | _MEM_OP mem_ins, prefix, &struct.field, op2, tmp_reg
- | .endif
- |.endmacro
- |.macro MEM_STORE_ZTS, prefix, struct, field, op2, tmp_reg
- | _MEM_OP_ZTS mov, prefix, struct, field, op2, tmp_reg
- |.endmacro
- |.macro MEM_CMP_ZTS, prefix, struct, field, op2, tmp_reg
- | _MEM_OP_ZTS cmp, prefix, struct, field, op2, tmp_reg
- |.endmacro
- |.macro MEM_UPDATE_ZTS, mem_ins, prefix, struct, field, op2, tmp_reg
- | _MEM_OP_ZTS mem_ins, prefix, struct, field, op2, tmp_reg
- |.endmacro
- |.macro MEM_LOAD_OP_ZTS, mem_ins, reg, prefix, struct, field, tmp_reg
- | .if ZTS
- | LOAD_TSRM_CACHE tmp_reg
- | mem_ins reg, prefix [tmp_reg+(struct.._offset+offsetof(zend_..struct, field))]
- | .else
- | MEM_LOAD_OP mem_ins, reg, prefix, &struct.field, tmp_reg
- | .endif
- |.endmacro
- |.macro MEM_LOAD_ZTS, reg, prefix, struct, field, tmp_reg
- | MEM_LOAD_OP_ZTS mov, reg, prefix, struct, field, tmp_reg
- |.endmacro
- |.macro EXT_CALL, func, tmp_reg
- | .if X64
- || if (MAY_USE_32BIT_ADDR(func)) {
- | call qword &func
- || } else {
- | LOAD_ADDR tmp_reg, func
- | call tmp_reg
- || }
- | .else
- | call dword &func
- | .endif
- |.endmacro
- |.macro EXT_JMP, func, tmp_reg
- | .if X64
- || if (MAY_USE_32BIT_ADDR(func)) {
- | jmp qword &func
- || } else {
- | LOAD_ADDR tmp_reg, func
- | jmp tmp_reg
- || }
- | .else
- | jmp dword &func
- | .endif
- |.endmacro
- |.macro SAVE_IP
- || if (GCC_GLOBAL_REGS) {
- | mov aword EX->opline, IP
- || }
- |.endmacro
- |.macro LOAD_IP
- || if (GCC_GLOBAL_REGS) {
- | mov IP, aword EX->opline
- || }
- |.endmacro
- |.macro LOAD_IP_ADDR, addr
- || if (GCC_GLOBAL_REGS) {
- | LOAD_ADDR IP, addr
- || } else {
- | ADDR_STORE aword EX->opline, addr, RX
- || }
- |.endmacro
- |.macro LOAD_IP_ADDR_ZTS, struct, field
- | .if ZTS
- || if (GCC_GLOBAL_REGS) {
- | LOAD_TSRM_CACHE IP
- | mov IP, aword [IP + (struct.._offset + offsetof(zend_..struct, field))]
- || } else {
- | LOAD_TSRM_CACHE RX
- | lea RX, aword [RX + (struct.._offset + offsetof(zend_..struct, field))]
- | mov aword EX->opline, RX
- || }
- | .else
- | LOAD_IP_ADDR &struct.field
- | .endif
- |.endmacro
- |.macro GET_IP, reg
- || if (GCC_GLOBAL_REGS) {
- | mov reg, IP
- || } else {
- | mov reg, aword EX->opline
- || }
- |.endmacro
- |.macro ADD_IP, val
- || if (GCC_GLOBAL_REGS) {
- | add IP, val
- || } else {
- | add aword EX->opline, val
- || }
- |.endmacro
- |.macro JMP_IP
- || if (GCC_GLOBAL_REGS) {
- | jmp aword [IP]
- || } else {
- | mov r0, aword EX:FCARG1a->opline
- | jmp aword [r0]
- || }
- |.endmacro
- /* In 64-bit build we compare only low 32-bits.
- * x86_64 cmp instruction doesn't support immediate 64-bit operand, and full
- * comparison would require an additional load of 64-bit address into register.
- * This is not a problem at all, while JIT buffer size is less than 4GB.
- */
- |.macro CMP_IP, addr
- || if (GCC_GLOBAL_REGS) {
- | cmp IPl, addr
- || } else {
- | cmp dword EX->opline, addr
- || }
- |.endmacro
- |.macro LOAD_ZVAL_ADDR, reg, addr
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | LOAD_ADDR reg, Z_ZV(addr)
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- || if (Z_OFFSET(addr)) {
- | lea reg, qword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else {
- | mov reg, Ra(Z_REG(addr))
- || }
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro PUSH_ZVAL_ADDR, addr, tmp_reg
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | PUSH_ADDR Z_ZV(addr), tmp_reg
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- || if (Z_OFFSET(addr)) {
- | lea tmp_reg, qword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- | push tmp_reg
- || } else {
- | push Ra(Z_REG(addr))
- || }
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro GET_Z_TYPE_INFO, reg, zv
- | mov reg, dword [zv+offsetof(zval,u1.type_info)]
- |.endmacro
- |.macro SET_Z_TYPE_INFO, zv, type
- | mov dword [zv+offsetof(zval,u1.type_info)], type
- |.endmacro
- |.macro GET_ZVAL_TYPE, reg, addr
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov reg, byte [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval,u1.v.type)]
- |.endmacro
- |.macro GET_ZVAL_TYPE_INFO, reg, addr
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov reg, dword [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval,u1.type_info)]
- |.endmacro
- |.macro SET_ZVAL_TYPE_INFO, addr, type
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov dword [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval,u1.type_info)], type
- |.endmacro
- |.macro GET_Z_PTR, reg, zv
- | mov reg, aword [zv]
- |.endmacro
- |.macro GET_Z_W2, reg, zv
- | mov reg, dword [zv+4]
- |.endmacro
- |.macro SET_Z_W2, zv, reg
- | mov dword [zv+4], reg
- |.endmacro
- |.macro GET_ZVAL_PTR, reg, addr
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov reg, aword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- |.endmacro
- |.macro SET_ZVAL_PTR, addr, val
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov aword [Ra(Z_REG(addr))+Z_OFFSET(addr)], val
- |.endmacro
- |.macro GET_ZVAL_W2, reg, addr
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov reg, dword [Ra(Z_REG(addr))+Z_OFFSET(addr)+4]
- |.endmacro
- |.macro SET_ZVAL_W2, addr, val
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov dword [Ra(Z_REG(addr))+Z_OFFSET(addr)+4], val
- |.endmacro
- |.macro UNDEF_OPLINE_RESULT
- | mov r0, EX->opline
- | mov eax, dword OP:r0->result.var
- | SET_Z_TYPE_INFO FP + r0, IS_UNDEF
- |.endmacro
- |.macro UNDEF_OPLINE_RESULT_IF_USED
- | test byte OP:RX->result_type, (IS_TMP_VAR|IS_VAR)
- | jz >1
- | mov eax, dword OP:RX->result.var
- | SET_Z_TYPE_INFO FP + r0, IS_UNDEF
- |1:
- |.endmacro
- |.macro SSE_AVX_INS, sse_ins, avx_ins, op1, op2
- || if (CAN_USE_AVX()) {
- | avx_ins op1, op2
- || } else {
- | sse_ins op1, op2
- || }
- |.endmacro
- |.macro SSE_OP, sse_ins, reg, addr, tmp_reg
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | MEM_LOAD_OP sse_ins, xmm(reg-ZREG_XMM0), qword, Z_ZV(addr), tmp_reg
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- | sse_ins xmm(reg-ZREG_XMM0), qword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else if (Z_MODE(addr) == IS_REG) {
- | sse_ins xmm(reg-ZREG_XMM0), xmm(Z_REG(addr)-ZREG_XMM0)
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro DOUBLE_CMP, reg, addr
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | .if X64
- || if (IS_SIGNED_32BIT(Z_ZV(addr))) {
- | SSE_AVX_INS ucomisd, vucomisd, xmm(reg-ZREG_XMM0), qword [Z_ZV(addr)]
- || } else {
- | LOAD_ADDR r0, Z_ZV(addr)
- | SSE_AVX_INS ucomisd, vucomisd, xmm(reg-ZREG_XMM0), qword [r0]
- || }
- | .else
- | SSE_AVX_INS ucomisd, vucomisd, xmm(reg-ZREG_XMM0), qword [Z_ZV(addr)]
- | .endif
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- | SSE_AVX_INS ucomisd, vucomisd, xmm(reg-ZREG_XMM0), qword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else if (Z_MODE(addr) == IS_REG) {
- | SSE_AVX_INS ucomisd, vucomisd, xmm(reg-ZREG_XMM0), xmm(Z_REG(addr)-ZREG_XMM0)
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro DOUBLE_GET_LONG, reg, lval, tmp_reg
- || if (lval == 0) {
- || if (CAN_USE_AVX()) {
- | vxorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- || } else {
- | xorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- || }
- || } else {
- |.if X64
- || if (!IS_SIGNED_32BIT(lval)) {
- | mov64 Ra(tmp_reg), lval
- || } else {
- | mov Ra(tmp_reg), lval
- || }
- |.else
- | mov Ra(tmp_reg), lval
- |.endif
- || if (CAN_USE_AVX()) {
- | vxorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- | vcvtsi2sd, xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0), Ra(tmp_reg)
- || } else {
- | xorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- | cvtsi2sd, xmm(reg-ZREG_XMM0), Ra(tmp_reg)
- || }
- || }
- |.endmacro
- |.macro DOUBLE_GET_ZVAL_LVAL, reg, addr, tmp_reg
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | DOUBLE_GET_LONG reg, Z_LVAL_P(Z_ZV(addr)), tmp_reg
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- || if (CAN_USE_AVX()) {
- | vxorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- | vcvtsi2sd xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0), aword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else {
- | xorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- | cvtsi2sd xmm(reg-ZREG_XMM0), aword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || }
- || } else if (Z_MODE(addr) == IS_REG) {
- || if (CAN_USE_AVX()) {
- | vxorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- | vcvtsi2sd xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0), Ra(Z_REG(addr))
- || } else {
- | xorps xmm(reg-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- | cvtsi2sd xmm(reg-ZREG_XMM0), Ra(Z_REG(addr))
- || }
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro DOUBLE_GET_ZVAL_DVAL, reg, addr
- || if (Z_MODE(addr) != IS_REG || reg != Z_REG(addr)) {
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | .if X64
- || if (IS_SIGNED_32BIT(Z_ZV(addr))) {
- | SSE_AVX_INS movsd, vmovsd, xmm(reg-ZREG_XMM0), qword [Z_ZV(addr)]
- || } else {
- | LOAD_ADDR r0, Z_ZV(addr)
- | SSE_AVX_INS movsd, vmovsd, xmm(reg-ZREG_XMM0), qword [r0]
- || }
- | .else
- | SSE_AVX_INS movsd, vmovsd, xmm(reg-ZREG_XMM0), qword [Z_ZV(addr)]
- | .endif
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- | SSE_AVX_INS movsd, vmovsd, xmm(reg-ZREG_XMM0), qword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else if (Z_MODE(addr) == IS_REG) {
- | SSE_AVX_INS movaps, vmovaps, xmm(reg-ZREG_XMM0), xmm(Z_REG(addr)-ZREG_XMM0)
- || } else {
- || ZEND_UNREACHABLE();
- || }
- || }
- |.endmacro
- |.macro SSE_MATH, opcode, reg, addr, tmp_reg
- || switch (opcode) {
- || case ZEND_ADD:
- | SSE_OP addsd, reg, addr, tmp_reg
- || break;
- || case ZEND_SUB:
- | SSE_OP subsd, reg, addr, tmp_reg
- || break;
- || case ZEND_MUL:
- | SSE_OP mulsd, reg, addr, tmp_reg
- || break;
- || case ZEND_DIV:
- | SSE_OP divsd, reg, addr, tmp_reg
- || break;
- || }
- |.endmacro
- |.macro SSE_MATH_REG, opcode, dst_reg, src_reg
- || switch (opcode) {
- || case ZEND_ADD:
- | addsd xmm(dst_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || case ZEND_SUB:
- | subsd xmm(dst_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || case ZEND_MUL:
- | mulsd xmm(dst_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || case ZEND_DIV:
- | divsd xmm(dst_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || }
- |.endmacro
- |.macro DOUBLE_SET_ZVAL_DVAL, addr, reg
- || if (Z_MODE(addr) == IS_REG) {
- || if (reg != Z_REG(addr)) {
- | SSE_AVX_INS movaps, vmovaps, xmm(Z_REG(addr)-ZREG_XMM0), xmm(reg-ZREG_XMM0)
- || }
- || } else {
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | SSE_AVX_INS movsd, vmovsd, qword [Ra(Z_REG(addr))+Z_OFFSET(addr)], xmm(reg-ZREG_XMM0)
- || }
- |.endmacro
- |.macro AVX_OP, avx_ins, reg, op1_reg, addr, tmp_reg
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | .if X64
- || if (IS_SIGNED_32BIT(Z_ZV(addr))) {
- | avx_ins xmm(reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), qword [Z_ZV(addr)]
- || } else {
- | mov64 tmp_reg, ((ptrdiff_t)Z_ZV(addr))
- | avx_ins xmm(reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), qword [tmp_reg]
- || }
- | .else
- | avx_ins xmm(reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), qword [addr]
- | .endif
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- | avx_ins xmm(reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), qword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else if (Z_MODE(addr) == IS_REG) {
- | avx_ins xmm(reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), xmm(Z_REG(addr)-ZREG_XMM0)
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro AVX_MATH, opcode, reg, op1_reg, addr, tmp_reg
- || switch (opcode) {
- || case ZEND_ADD:
- | AVX_OP vaddsd, reg, op1_reg, addr, tmp_reg
- || break;
- || case ZEND_SUB:
- | AVX_OP vsubsd, reg, op1_reg, addr, tmp_reg
- || break;
- || case ZEND_MUL:
- | AVX_OP vmulsd, reg, op1_reg, addr, tmp_reg
- || break;
- || case ZEND_DIV:
- | AVX_OP vdivsd, reg, op1_reg, addr, tmp_reg
- || break;
- || }
- |.endmacro
- |.macro AVX_MATH_REG, opcode, dst_reg, op1_reg, src_reg
- || switch (opcode) {
- || case ZEND_ADD:
- | vaddsd xmm(dst_reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || case ZEND_SUB:
- | vsubsd xmm(dst_reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || case ZEND_MUL:
- | vmulsd xmm(dst_reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || case ZEND_DIV:
- | vdivsd xmm(dst_reg-ZREG_XMM0), xmm(op1_reg-ZREG_XMM0), xmm(src_reg-ZREG_XMM0)
- || break;
- || }
- |.endmacro
- |.macro LONG_OP, long_ins, reg, addr, tmp_reg
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- | .if X64
- || if (!IS_SIGNED_32BIT(Z_LVAL_P(Z_ZV(addr)))) {
- | mov64 tmp_reg, Z_LVAL_P(Z_ZV(addr))
- | long_ins Ra(reg), tmp_reg
- || } else {
- | long_ins Ra(reg), Z_LVAL_P(Z_ZV(addr))
- || }
- | .else
- | long_ins Ra(reg), Z_LVAL_P(Z_ZV(addr))
- | .endif
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- | long_ins Ra(reg), aword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else if (Z_MODE(addr) == IS_REG) {
- | long_ins Ra(reg), Ra(Z_REG(addr))
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro LONG_OP_WITH_32BIT_CONST, long_ins, op1_addr, lval
- || if (Z_MODE(op1_addr) == IS_MEM_ZVAL) {
- | long_ins aword [Ra(Z_REG(op1_addr))+Z_OFFSET(op1_addr)], lval
- || } else if (Z_MODE(op1_addr) == IS_REG) {
- | long_ins Ra(Z_REG(op1_addr)), lval
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro LONG_OP_WITH_CONST, long_ins, op1_addr, lval
- || if (Z_MODE(op1_addr) == IS_MEM_ZVAL) {
- | .if X64
- || if (!IS_SIGNED_32BIT(lval)) {
- | mov64 r0, lval
- | long_ins aword [Ra(Z_REG(op1_addr))+Z_OFFSET(op1_addr)], r0
- || } else {
- | long_ins aword [Ra(Z_REG(op1_addr))+Z_OFFSET(op1_addr)], lval
- || }
- | .else
- | long_ins aword [Ra(Z_REG(op1_addr))+Z_OFFSET(op1_addr)], lval
- | .endif
- || } else if (Z_MODE(op1_addr) == IS_REG) {
- | .if X64
- || if (!IS_SIGNED_32BIT(lval)) {
- | mov64 r0, lval
- | long_ins Ra(Z_REG(op1_addr)), r0
- || } else {
- | long_ins Ra(Z_REG(op1_addr)), lval
- || }
- | .else
- | long_ins Ra(Z_REG(op1_addr)), lval
- | .endif
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro GET_ZVAL_LVAL, reg, addr
- || if (Z_MODE(addr) == IS_CONST_ZVAL) {
- || if (Z_LVAL_P(Z_ZV(addr)) == 0) {
- | xor Ra(reg), Ra(reg)
- || } else {
- | .if X64
- || if (!IS_SIGNED_32BIT(Z_LVAL_P(Z_ZV(addr)))) {
- | mov64 Ra(reg), Z_LVAL_P(Z_ZV(addr))
- || } else {
- | mov Ra(reg), Z_LVAL_P(Z_ZV(addr))
- || }
- | .else
- | mov Ra(reg), Z_LVAL_P(Z_ZV(addr))
- | .endif
- || }
- || } else if (Z_MODE(addr) == IS_MEM_ZVAL) {
- | mov Ra(reg), aword [Ra(Z_REG(addr))+Z_OFFSET(addr)]
- || } else if (Z_MODE(addr) == IS_REG) {
- || if (reg != Z_REG(addr)) {
- | mov Ra(reg), Ra(Z_REG(addr))
- || }
- || } else {
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro LONG_MATH, opcode, reg, addr, tmp_reg
- || switch (opcode) {
- || case ZEND_ADD:
- | LONG_OP add, reg, addr, Ra(tmp_reg)
- || break;
- || case ZEND_SUB:
- | LONG_OP sub, reg, addr, Ra(tmp_reg)
- || break;
- || case ZEND_MUL:
- | LONG_OP imul, reg, addr, Ra(tmp_reg)
- || break;
- || case ZEND_BW_OR:
- | LONG_OP or, reg, addr, Ra(tmp_reg)
- || break;
- || case ZEND_BW_AND:
- | LONG_OP and, reg, addr, Ra(tmp_reg)
- || break;
- || case ZEND_BW_XOR:
- | LONG_OP xor, reg, addr, Ra(tmp_reg)
- || break;
- || default:
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro LONG_MATH_REG, opcode, dst_reg, src_reg
- || switch (opcode) {
- || case ZEND_ADD:
- | add dst_reg, src_reg
- || break;
- || case ZEND_SUB:
- | sub dst_reg, src_reg
- || break;
- || case ZEND_MUL:
- | imul dst_reg, src_reg
- || break;
- || case ZEND_BW_OR:
- | or dst_reg, src_reg
- || break;
- || case ZEND_BW_AND:
- | and dst_reg, src_reg
- || break;
- || case ZEND_BW_XOR:
- | xor dst_reg, src_reg
- || break;
- || default:
- || ZEND_UNREACHABLE();
- || }
- |.endmacro
- |.macro SET_ZVAL_LVAL, addr, lval
- || if (Z_MODE(addr) == IS_REG) {
- | mov Ra(Z_REG(addr)), lval
- || } else {
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | mov aword [Ra(Z_REG(addr))+Z_OFFSET(addr)], lval
- || }
- |.endmacro
- |.macro ZVAL_COPY_CONST, dst_addr, dst_info, dst_def_info, zv, tmp_reg
- || if (Z_TYPE_P(zv) > IS_TRUE) {
- || if (Z_TYPE_P(zv) == IS_DOUBLE) {
- || zend_reg dst_reg = (Z_MODE(dst_addr) == IS_REG) ? Z_REG(dst_addr) : ZREG_XMM0;
- || if (Z_DVAL_P(zv) == 0.0 && !is_signed(Z_DVAL_P(zv))) {
- || if (CAN_USE_AVX()) {
- | vxorps xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0)
- || } else {
- | xorps xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0)
- || }
- | .if X64
- || } else if (!IS_SIGNED_32BIT(zv)) {
- | mov64 Ra(tmp_reg), ((uintptr_t)zv)
- | SSE_AVX_INS movsd, vmovsd, xmm(dst_reg-ZREG_XMM0), qword [Ra(tmp_reg)]
- | .endif
- || } else {
- | SSE_AVX_INS movsd, vmovsd, xmm(dst_reg-ZREG_XMM0), qword [((uint32_t)(uintptr_t)zv)]
- || }
- | DOUBLE_SET_ZVAL_DVAL dst_addr, dst_reg
- || } else if (Z_TYPE_P(zv) == IS_LONG && dst_def_info == MAY_BE_DOUBLE) {
- || zend_reg dst_reg = (Z_MODE(dst_addr) == IS_REG) ? Z_REG(dst_addr) : ZREG_XMM0;
- | DOUBLE_GET_LONG dst_reg, Z_LVAL_P(zv), ZREG_R0
- | DOUBLE_SET_ZVAL_DVAL dst_addr, dst_reg
- || } else if (Z_LVAL_P(zv) == 0 && Z_MODE(dst_addr) == IS_REG) {
- | xor Ra(Z_REG(dst_addr)), Ra(Z_REG(dst_addr))
- || } else {
- | .if X64
- || if (!IS_SIGNED_32BIT(Z_LVAL_P(zv))) {
- || if (Z_MODE(dst_addr) == IS_REG) {
- | mov64 Ra(Z_REG(dst_addr)), ((uintptr_t)Z_LVAL_P(zv))
- || } else {
- | mov64 Ra(tmp_reg), ((uintptr_t)Z_LVAL_P(zv))
- | SET_ZVAL_LVAL dst_addr, Ra(tmp_reg)
- || }
- || } else {
- | SET_ZVAL_LVAL dst_addr, Z_LVAL_P(zv)
- || }
- | .else
- | SET_ZVAL_LVAL dst_addr, Z_LVAL_P(zv)
- | .endif
- || }
- || }
- || if (Z_MODE(dst_addr) == IS_MEM_ZVAL) {
- || if (dst_def_info == MAY_BE_DOUBLE) {
- || if ((dst_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) != MAY_BE_DOUBLE) {
- | SET_ZVAL_TYPE_INFO dst_addr, IS_DOUBLE
- || }
- || } else if (((dst_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) != (1<<Z_TYPE_P(zv))) || (dst_info & (MAY_BE_STRING|MAY_BE_ARRAY)) != 0) {
- | SET_ZVAL_TYPE_INFO dst_addr, Z_TYPE_INFO_P(zv)
- || }
- || }
- |.endmacro
- |.macro ZVAL_COPY_CONST_2, dst_addr, res_addr, dst_info, dst_def_info, zv, tmp_reg
- || if (Z_TYPE_P(zv) > IS_TRUE) {
- || if (Z_TYPE_P(zv) == IS_DOUBLE) {
- || zend_reg dst_reg = (Z_MODE(dst_addr) == IS_REG) ?
- || Z_REG(dst_addr) : ((Z_MODE(res_addr) == IS_REG) ? Z_REG(res_addr) : ZREG_XMM0);
- || if (Z_DVAL_P(zv) == 0.0 && !is_signed(Z_DVAL_P(zv))) {
- || if (CAN_USE_AVX()) {
- | vxorps xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0)
- || } else {
- | xorps xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0)
- || }
- | .if X64
- || } else if (!IS_SIGNED_32BIT(zv)) {
- | mov64 Ra(tmp_reg), ((uintptr_t)zv)
- | SSE_AVX_INS movsd, vmovsd, xmm(dst_reg-ZREG_XMM0), qword [Ra(tmp_reg)]
- | .endif
- || } else {
- | SSE_AVX_INS movsd, vmovsd, xmm(dst_reg-ZREG_XMM0), qword [((uint32_t)(uintptr_t)zv)]
- || }
- | DOUBLE_SET_ZVAL_DVAL dst_addr, ZREG_XMM0
- | DOUBLE_SET_ZVAL_DVAL res_addr, ZREG_XMM0
- || } else if (Z_TYPE_P(zv) == IS_LONG && dst_def_info == MAY_BE_DOUBLE) {
- || if (Z_MODE(dst_addr) == IS_REG) {
- | DOUBLE_GET_LONG Z_REG(dst_addr), Z_LVAL_P(zv), ZREG_R0
- | DOUBLE_SET_ZVAL_DVAL res_addr, Z_REG(dst_addr)
- || } else if (Z_MODE(res_addr) == IS_REG) {
- | DOUBLE_GET_LONG Z_REG(res_addr), Z_LVAL_P(zv), ZREG_R0
- | DOUBLE_SET_ZVAL_DVAL dst_addr, Z_REG(res_addr)
- || } else {
- | DOUBLE_GET_LONG ZREG_XMM0, Z_LVAL_P(zv), ZREG_R0
- | DOUBLE_SET_ZVAL_DVAL dst_addr, ZREG_XMM0
- | DOUBLE_SET_ZVAL_DVAL res_addr, ZREG_XMM0
- || }
- || } else if (Z_LVAL_P(zv) == 0 && (Z_MODE(dst_addr) == IS_REG || Z_MODE(res_addr) == IS_REG)) {
- || if (Z_MODE(dst_addr) == IS_REG) {
- | xor Ra(Z_REG(dst_addr)), Ra(Z_REG(dst_addr))
- | SET_ZVAL_LVAL res_addr, Ra(Z_REG(dst_addr))
- || } else {
- | xor Ra(Z_REG(res_addr)), Ra(Z_REG(res_addr))
- | SET_ZVAL_LVAL dst_addr, Ra(Z_REG(res_addr))
- || }
- || } else {
- | .if X64
- || if (!IS_SIGNED_32BIT(Z_LVAL_P(zv))) {
- || if (Z_MODE(dst_addr) == IS_REG) {
- | mov64 Ra(Z_REG(dst_addr)), ((uintptr_t)Z_LVAL_P(zv))
- | SET_ZVAL_LVAL res_addr, Ra(Z_REG(dst_addr))
- || } else if (Z_MODE(res_addr) == IS_REG) {
- | mov64 Ra(Z_REG(res_addr)), ((uintptr_t)Z_LVAL_P(zv))
- | SET_ZVAL_LVAL dst_addr, Ra(Z_REG(res_addr))
- || } else {
- | mov64 Ra(tmp_reg), ((uintptr_t)Z_LVAL_P(zv))
- | SET_ZVAL_LVAL dst_addr, Ra(tmp_reg)
- | SET_ZVAL_LVAL res_addr, Ra(tmp_reg)
- || }
- || } else if (Z_MODE(dst_addr) == IS_REG) {
- | SET_ZVAL_LVAL dst_addr, Z_LVAL_P(zv)
- | SET_ZVAL_LVAL res_addr, Ra(Z_REG(dst_addr))
- || } else if (Z_MODE(res_addr) == IS_REG) {
- | SET_ZVAL_LVAL res_addr, Z_LVAL_P(zv)
- | SET_ZVAL_LVAL dst_addr, Ra(Z_REG(res_addr))
- || } else {
- | SET_ZVAL_LVAL dst_addr, Z_LVAL_P(zv)
- | SET_ZVAL_LVAL res_addr, Z_LVAL_P(zv)
- || }
- | .else
- || if (Z_MODE(dst_addr) == IS_REG) {
- | SET_ZVAL_LVAL dst_addr, Z_LVAL_P(zv)
- | SET_ZVAL_LVAL res_addr, Ra(Z_REG(dst_addr))
- || } else if (Z_MODE(res_addr) == IS_REG) {
- | SET_ZVAL_LVAL res_addr, Z_LVAL_P(zv)
- | SET_ZVAL_LVAL dst_addr, Ra(Z_REG(res_addr))
- || } else {
- | SET_ZVAL_LVAL dst_addr, Z_LVAL_P(zv)
- | SET_ZVAL_LVAL res_addr, Z_LVAL_P(zv)
- || }
- | .endif
- || }
- || }
- || if (Z_MODE(dst_addr) == IS_MEM_ZVAL) {
- || if (dst_def_info == MAY_BE_DOUBLE) {
- || if ((dst_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) != MAY_BE_DOUBLE) {
- | SET_ZVAL_TYPE_INFO dst_addr, IS_DOUBLE
- || }
- || } else if (((dst_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) != (1<<Z_TYPE_P(zv))) || (dst_info & (MAY_BE_STRING|MAY_BE_ARRAY)) != 0) {
- | SET_ZVAL_TYPE_INFO dst_addr, Z_TYPE_INFO_P(zv)
- || }
- || }
- || if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- || if (dst_def_info == MAY_BE_DOUBLE) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- || } else {
- | SET_ZVAL_TYPE_INFO res_addr, Z_TYPE_INFO_P(zv)
- || }
- || }
- |.endmacro
- /* the same as above, but "src" may overlap with "tmp_reg1" */
- |.macro ZVAL_COPY_VALUE, dst_addr, dst_info, src_addr, src_info, tmp_reg1, tmp_reg2
- | ZVAL_COPY_VALUE_V dst_addr, dst_info, src_addr, src_info, tmp_reg1, tmp_reg2
- || if ((src_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- || !(src_info & MAY_BE_GUARD) &&
- || has_concrete_type(src_info & MAY_BE_ANY)) {
- || if (Z_MODE(dst_addr) == IS_MEM_ZVAL) {
- || if ((dst_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) != (src_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD))) {
- || zend_uchar type = concrete_type(src_info);
- | SET_ZVAL_TYPE_INFO dst_addr, type
- || }
- || }
- || } else {
- | GET_ZVAL_TYPE_INFO Rd(tmp_reg1), src_addr
- | SET_ZVAL_TYPE_INFO dst_addr, Rd(tmp_reg1)
- || }
- |.endmacro
- |.macro ZVAL_COPY_VALUE_V, dst_addr, dst_info, src_addr, src_info, tmp_reg1, tmp_reg2
- || if (src_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE))) {
- || if ((src_info & (MAY_BE_ANY|MAY_BE_GUARD)) == MAY_BE_LONG) {
- || if (Z_MODE(src_addr) == IS_REG) {
- || if (Z_MODE(dst_addr) != IS_REG || Z_REG(dst_addr) != Z_REG(src_addr)) {
- | SET_ZVAL_LVAL dst_addr, Ra(Z_REG(src_addr))
- || }
- || } else if (Z_MODE(dst_addr) == IS_REG) {
- | GET_ZVAL_LVAL Z_REG(dst_addr), src_addr
- || } else {
- | GET_ZVAL_LVAL tmp_reg2, src_addr
- | SET_ZVAL_LVAL dst_addr, Ra(tmp_reg2)
- || }
- || } else if ((src_info & (MAY_BE_ANY|MAY_BE_GUARD)) == MAY_BE_DOUBLE) {
- || if (Z_MODE(src_addr) == IS_REG) {
- | DOUBLE_SET_ZVAL_DVAL dst_addr, Z_REG(src_addr)
- || } else if (Z_MODE(dst_addr) == IS_REG) {
- | DOUBLE_GET_ZVAL_DVAL Z_REG(dst_addr), src_addr
- || } else {
- | DOUBLE_GET_ZVAL_DVAL ZREG_XMM0, src_addr
- | DOUBLE_SET_ZVAL_DVAL dst_addr, ZREG_XMM0
- || }
- || } else if (!(src_info & (MAY_BE_DOUBLE|MAY_BE_GUARD))) {
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- || } else {
- | .if X64
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- | .else
- || if ((tmp_reg1 == tmp_reg2 || tmp_reg1 == Z_REG(src_addr))) {
- | GET_ZVAL_W2 Ra(tmp_reg2), src_addr
- | SET_ZVAL_W2 dst_addr, Ra(tmp_reg2)
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- || } else {
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | GET_ZVAL_W2 Ra(tmp_reg1), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- | SET_ZVAL_W2 dst_addr, Ra(tmp_reg1)
- || }
- | .endif
- || }
- || }
- |.endmacro
- |.macro ZVAL_COPY_VALUE_2, dst_addr, dst_info, res_addr, src_addr, src_info, tmp_reg1, tmp_reg2
- || if (src_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE))) {
- || if ((src_info & MAY_BE_ANY) == MAY_BE_LONG) {
- || if (Z_MODE(src_addr) == IS_REG) {
- || if (Z_MODE(dst_addr) != IS_REG || Z_REG(dst_addr) != Z_REG(src_addr)) {
- | SET_ZVAL_LVAL dst_addr, Ra(Z_REG(src_addr))
- || }
- || if (Z_MODE(res_addr) != IS_REG || Z_REG(res_addr) != Z_REG(src_addr)) {
- | SET_ZVAL_LVAL res_addr, Ra(Z_REG(src_addr))
- || }
- || } else if (Z_MODE(dst_addr) == IS_REG) {
- | GET_ZVAL_LVAL Z_REG(dst_addr), src_addr
- || if (Z_MODE(res_addr) != IS_REG || Z_REG(res_addr) != Z_REG(dst_addr)) {
- | SET_ZVAL_LVAL res_addr, Ra(Z_REG(dst_addr))
- || }
- || } else if (Z_MODE(res_addr) == IS_REG) {
- | GET_ZVAL_LVAL Z_REG(res_addr), src_addr
- | SET_ZVAL_LVAL dst_addr, Ra(Z_REG(res_addr))
- || } else {
- | GET_ZVAL_LVAL tmp_reg2, src_addr
- | SET_ZVAL_LVAL dst_addr, Ra(tmp_reg2)
- | SET_ZVAL_LVAL res_addr, Ra(tmp_reg2)
- || }
- || } else if ((src_info & MAY_BE_ANY) == MAY_BE_DOUBLE) {
- || if (Z_MODE(src_addr) == IS_REG) {
- | DOUBLE_SET_ZVAL_DVAL dst_addr, Z_REG(src_addr)
- | DOUBLE_SET_ZVAL_DVAL res_addr, Z_REG(src_addr)
- || } else if (Z_MODE(dst_addr) == IS_REG) {
- | DOUBLE_GET_ZVAL_DVAL Z_REG(dst_addr), src_addr
- | DOUBLE_SET_ZVAL_DVAL res_addr, Z_REG(dst_addr)
- || } else if (Z_MODE(res_addr) == IS_REG) {
- | DOUBLE_GET_ZVAL_DVAL Z_REG(res_addr), src_addr
- | DOUBLE_SET_ZVAL_DVAL dst_addr, Z_REG(res_addr)
- || } else {
- | DOUBLE_GET_ZVAL_DVAL ZREG_XMM0, src_addr
- | DOUBLE_SET_ZVAL_DVAL dst_addr, ZREG_XMM0
- | DOUBLE_SET_ZVAL_DVAL res_addr, ZREG_XMM0
- || }
- || } else if (!(src_info & MAY_BE_DOUBLE)) {
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- | SET_ZVAL_PTR res_addr, Ra(tmp_reg2)
- || } else {
- | .if X64
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- | SET_ZVAL_PTR res_addr, Ra(tmp_reg2)
- | .else
- || if (tmp_reg1 == tmp_reg2 || tmp_reg1 == Z_REG(src_addr)) {
- | GET_ZVAL_W2 Ra(tmp_reg2), src_addr
- | SET_ZVAL_W2 dst_addr, Ra(tmp_reg2)
- | SET_ZVAL_W2 res_addr, Ra(tmp_reg2)
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- | SET_ZVAL_PTR res_addr, Ra(tmp_reg2)
- || } else {
- | GET_ZVAL_PTR Ra(tmp_reg2), src_addr
- | GET_ZVAL_W2 Ra(tmp_reg1), src_addr
- | SET_ZVAL_PTR dst_addr, Ra(tmp_reg2)
- | SET_ZVAL_PTR res_addr, Ra(tmp_reg2)
- | SET_ZVAL_W2 dst_addr, Ra(tmp_reg1)
- | SET_ZVAL_W2 res_addr, Ra(tmp_reg1)
- || }
- | .endif
- || }
- || }
- || if ((src_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- || has_concrete_type(src_info & MAY_BE_ANY)) {
- || zend_uchar type = concrete_type(src_info);
- || if (Z_MODE(dst_addr) == IS_MEM_ZVAL) {
- || if ((dst_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) != (src_info & (MAY_BE_ANY|MAY_BE_UNDEF))) {
- | SET_ZVAL_TYPE_INFO dst_addr, type
- || }
- || }
- || if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- | SET_ZVAL_TYPE_INFO res_addr, type
- || }
- || } else {
- | GET_ZVAL_TYPE_INFO Rd(tmp_reg1), src_addr
- | SET_ZVAL_TYPE_INFO dst_addr, Rd(tmp_reg1)
- | SET_ZVAL_TYPE_INFO res_addr, Rd(tmp_reg1)
- || }
- |.endmacro
- |.macro IF_UNDEF, type_reg, label
- | test type_reg, type_reg
- | je label
- |.endmacro
- |.macro IF_TYPE, type, val, label
- | cmp type, val
- | je label
- |.endmacro
- |.macro IF_NOT_TYPE, type, val, label
- | cmp type, val
- | jne label
- |.endmacro
- |.macro IF_Z_TYPE, zv, val, label
- | IF_TYPE byte [zv+offsetof(zval, u1.v.type)], val, label
- |.endmacro
- |.macro IF_NOT_Z_TYPE, zv, val, label
- | IF_NOT_TYPE byte [zv+offsetof(zval, u1.v.type)], val, label
- |.endmacro
- |.macro CMP_ZVAL_TYPE, addr, val
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | cmp byte [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval, u1.v.type)], val
- |.endmacro
- |.macro IF_ZVAL_TYPE, addr, val, label
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | IF_TYPE byte [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval, u1.v.type)], val, label
- |.endmacro
- |.macro IF_NOT_ZVAL_TYPE, addr, val, label
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | IF_NOT_TYPE byte [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval, u1.v.type)], val, label
- |.endmacro
- |.macro IF_FLAGS, type_flags, mask, label
- | test type_flags, mask
- | jnz label
- |.endmacro
- |.macro IF_NOT_FLAGS, type_flags, mask, label
- | test type_flags, mask
- | jz label
- |.endmacro
- |.macro IF_REFCOUNTED, type_flags, label
- | IF_FLAGS type_flags, IS_TYPE_REFCOUNTED, label
- |.endmacro
- |.macro IF_NOT_REFCOUNTED, type_flags, label
- | //IF_NOT_FLAGS type_flags, IS_TYPE_REFCOUNTED, label
- | test type_flags, type_flags
- | jz label
- |.endmacro
- |.macro IF_ZVAL_FLAGS, addr, mask, label
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | IF_FLAGS byte [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval, u1.v.type_flags)], mask, label
- |.endmacro
- |.macro IF_NOT_ZVAL_FLAGS, addr, mask, label
- || ZEND_ASSERT(Z_MODE(addr) == IS_MEM_ZVAL);
- | IF_NOT_FLAGS byte [Ra(Z_REG(addr))+Z_OFFSET(addr)+offsetof(zval, u1.v.type_flags)], mask, label
- |.endmacro
- |.macro IF_ZVAL_REFCOUNTED, addr, label
- | IF_ZVAL_FLAGS addr, IS_TYPE_REFCOUNTED, label
- |.endmacro
- |.macro IF_NOT_ZVAL_REFCOUNTED, addr, label
- | IF_NOT_ZVAL_FLAGS addr, IS_TYPE_REFCOUNTED, label
- |.endmacro
- |.macro IF_NOT_ZVAL_COLLECTABLE, addr, label
- | IF_NOT_ZVAL_FLAGS addr, IS_TYPE_COLLECTABLE, label
- |.endmacro
- |.macro GC_ADDREF, zv
- | add dword [zv], 1
- |.endmacro
- |.macro GC_DELREF, zv
- | sub dword [zv], 1
- |.endmacro
- |.macro IF_GC_MAY_NOT_LEAK, ptr, label
- | test dword [ptr+4],(GC_INFO_MASK | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))
- | jne label
- |.endmacro
- |.macro ADDREF_CONST, zv, tmp_reg
- | .if X64
- || if (!IS_SIGNED_32BIT(Z_LVAL_P(zv))) {
- | mov64 tmp_reg, ((uintptr_t)Z_LVAL_P(zv))
- | add dword [tmp_reg], 1
- || } else {
- | add dword [Z_LVAL_P(zv)], 1
- || }
- | .else
- | add dword [Z_LVAL_P(zv)], 1
- | .endif
- |.endmacro
- |.macro ADDREF_CONST_2, zv, tmp_reg
- | .if X64
- || if (!IS_SIGNED_32BIT(Z_LVAL_P(zv))) {
- | mov64 tmp_reg, ((uintptr_t)Z_LVAL_P(zv))
- | add dword [tmp_reg], 2
- || } else {
- | add dword [Z_LVAL_P(zv)], 2
- || }
- | .else
- | add dword [Z_LVAL_P(zv)], 2
- | .endif
- |.endmacro
- |.macro TRY_ADDREF, val_info, type_flags_reg, value_ptr_reg
- || if (val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- || if (val_info & (MAY_BE_ANY-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | IF_NOT_REFCOUNTED type_flags_reg, >1
- || }
- | GC_ADDREF value_ptr_reg
- |1:
- || }
- |.endmacro
- |.macro TRY_ADDREF_2, val_info, type_flags_reg, value_ptr_reg
- || if (val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- || if (val_info & (MAY_BE_ANY-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | IF_NOT_REFCOUNTED type_flags_reg, >1
- || }
- | add dword [value_ptr_reg], 2
- |1:
- || }
- |.endmacro
- |.macro ZVAL_DEREF, reg, info
- || if (info & MAY_BE_REF) {
- | IF_NOT_Z_TYPE, reg, IS_REFERENCE, >1
- | GET_Z_PTR reg, reg
- | add reg, offsetof(zend_reference, val)
- |1:
- || }
- |.endmacro
- |.macro SET_EX_OPLINE, op, tmp_reg
- || if (op == last_valid_opline) {
- || zend_jit_use_last_valid_opline();
- | SAVE_IP
- || } else {
- | ADDR_STORE aword EX->opline, op, tmp_reg
- || if (!GCC_GLOBAL_REGS) {
- || zend_jit_reset_last_valid_opline();
- || }
- || }
- |.endmacro
- // zval should be in FCARG1a
- |.macro ZVAL_DTOR_FUNC, var_info, opline // arg1 must be in FCARG1a
- || do {
- || if (!((var_info) & MAY_BE_GUARD)
- || && has_concrete_type((var_info) & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- || zend_uchar type = concrete_type((var_info) & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE));
- || if (type == IS_STRING && !ZEND_DEBUG) {
- | EXT_CALL _efree, r0
- || break;
- || } else if (type == IS_ARRAY) {
- || if ((var_info) & (MAY_BE_ARRAY_KEY_STRING|MAY_BE_ARRAY_OF_STRING|MAY_BE_ARRAY_OF_ARRAY|MAY_BE_ARRAY_OF_OBJECT|MAY_BE_ARRAY_OF_RESOURCE|MAY_BE_ARRAY_OF_REF)) {
- || if (opline && ((var_info) & (MAY_BE_ARRAY_OF_ARRAY|MAY_BE_ARRAY_OF_OBJECT|MAY_BE_ARRAY_OF_RESOURCE|MAY_BE_ARRAY_OF_REF))) {
- | SET_EX_OPLINE opline, r0
- || }
- | EXT_CALL zend_array_destroy, r0
- || } else {
- | EXT_CALL zend_jit_array_free, r0
- || }
- || break;
- || } else if (type == IS_OBJECT) {
- || if (opline) {
- | SET_EX_OPLINE opline, r0
- || }
- | EXT_CALL zend_objects_store_del, r0
- || break;
- || }
- || }
- || if (opline) {
- | SET_EX_OPLINE opline, r0
- || }
- | EXT_CALL rc_dtor_func, r0
- || } while(0);
- |.endmacro
- |.macro ZVAL_PTR_DTOR, addr, op_info, gc, cold, opline
- || if ((op_info) & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF|MAY_BE_GUARD)) {
- || if ((op_info) & ((MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_INDIRECT|MAY_BE_GUARD)-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | // if (Z_REFCOUNTED_P(cv)) {
- || if (cold) {
- | IF_ZVAL_REFCOUNTED addr, >1
- |.cold_code
- |1:
- || } else {
- | IF_NOT_ZVAL_REFCOUNTED addr, >4
- || }
- || }
- | // if (!Z_DELREF_P(cv)) {
- | GET_ZVAL_PTR FCARG1a, addr
- | GC_DELREF FCARG1a
- || if (((op_info) & MAY_BE_GUARD) || RC_MAY_BE_1(op_info)) {
- || if (((op_info) & MAY_BE_GUARD) || RC_MAY_BE_N(op_info)) {
- || if (gc && (((op_info) & MAY_BE_GUARD) || (RC_MAY_BE_N(op_info) && ((op_info) & (MAY_BE_REF|MAY_BE_ARRAY|MAY_BE_OBJECT)) != 0))) {
- | jnz >3
- || } else {
- | jnz >4
- || }
- || }
- | // zval_dtor_func(r);
- | ZVAL_DTOR_FUNC op_info, opline
- || if (gc && (((op_info) & MAY_BE_GUARD) || (RC_MAY_BE_N(op_info) && ((op_info) & (MAY_BE_REF|MAY_BE_ARRAY|MAY_BE_OBJECT)) != 0))) {
- | jmp >4
- || }
- |3:
- || }
- || if (gc && (((op_info) & MAY_BE_GUARD) || (RC_MAY_BE_N(op_info) && ((op_info) & (MAY_BE_REF|MAY_BE_ARRAY|MAY_BE_OBJECT)) != 0))) {
- || if ((op_info) & (MAY_BE_REF|MAY_BE_GUARD)) {
- || zend_jit_addr ref_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, offsetof(zend_reference, val));
- | IF_NOT_ZVAL_TYPE addr, IS_REFERENCE, >1
- | IF_NOT_ZVAL_COLLECTABLE ref_addr, >4
- | GET_ZVAL_PTR FCARG1a, ref_addr
- |1:
- || }
- | IF_GC_MAY_NOT_LEAK FCARG1a, >4
- | // gc_possible_root(Z_COUNTED_P(z))
- | EXT_CALL gc_possible_root, r0
- || }
- || if (cold && ((op_info) & ((MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_INDIRECT|MAY_BE_GUARD)-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) != 0) {
- | jmp >4
- |.code
- || }
- |4:
- || }
- |.endmacro
- |.macro FREE_OP, op_type, op, op_info, cold, opline
- || if (op_type & (IS_VAR|IS_TMP_VAR)) {
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_FP, op.var), op_info, 0, cold, opline
- || }
- |.endmacro
- |.macro SEPARATE_ARRAY, addr, op_info, cold
- || if (RC_MAY_BE_N(op_info)) {
- || if (Z_REG(addr) != ZREG_FP) {
- | GET_ZVAL_LVAL ZREG_R0, addr
- || if (RC_MAY_BE_1(op_info)) {
- | cmp dword [r0], 1 // if (GC_REFCOUNT() > 1)
- | jbe >2
- || }
- || if (Z_REG(addr) != ZREG_FCARG1 || Z_OFFSET(addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, addr
- || }
- | EXT_CALL zend_jit_zval_array_dup, r0
- |2:
- | mov FCARG1a, r0
- || } else {
- | GET_ZVAL_LVAL ZREG_FCARG1, addr
- || if (RC_MAY_BE_1(op_info)) {
- | cmp dword [FCARG1a], 1 // if (GC_REFCOUNT() > 1)
- || if (cold) {
- | ja >1
- |.cold_code
- |1:
- || } else {
- | jbe >2
- || }
- || }
- | IF_NOT_ZVAL_REFCOUNTED addr, >1
- | GC_DELREF FCARG1a
- |1:
- | EXT_CALL zend_array_dup, r0
- | SET_ZVAL_PTR addr, r0
- | SET_ZVAL_TYPE_INFO addr, IS_ARRAY_EX
- | mov FCARG1a, r0
- || if (RC_MAY_BE_1(op_info)) {
- || if (cold) {
- | jmp >2
- |.code
- || }
- || }
- |2:
- || }
- || } else {
- | GET_ZVAL_LVAL ZREG_FCARG1, addr
- || }
- |.endmacro
- |.macro EFREE_REG_REFERENCE
- ||#if ZEND_DEBUG
- | xor FCARG2a, FCARG2a // filename
- | .if X64WIN
- | xor CARG3d, CARG3d // lineno
- | xor CARG4, CARG4
- | mov aword A5, 0
- | EXT_CALL _efree, r0
- | .elif X64
- | xor CARG3d, CARG3d // lineno
- | xor CARG4, CARG4
- | xor CARG5, CARG5
- | EXT_CALL _efree, r0
- | .else
- | sub r4, 4
- | push 0
- | push 0
- | push 0 // lineno
- | EXT_CALL _efree, r0
- | add r4, 4
- | .endif
- ||#else
- ||#ifdef HAVE_BUILTIN_CONSTANT_P
- | EXT_CALL _efree_32, r0
- ||#else
- | EXT_CALL _efree, r0
- ||#endif
- ||#endif
- |.endmacro
- |.macro EFREE_REFERENCE, ptr
- | mov FCARG1a, ptr
- | EFREE_REG_REFERENCE
- |.endmacro
- |.macro EMALLOC, size, op_array, opline
- ||#if ZEND_DEBUG
- || const char *filename = op_array->filename ? op_array->filename->val : NULL;
- | mov FCARG1a, size
- | LOAD_ADDR FCARG2a, filename
- | .if X64WIN
- | mov CARG3d, opline->lineno
- | xor CARG4, CARG4
- | mov aword A5, 0
- | EXT_CALL _emalloc, r0
- | .elif X64
- | mov CARG3d, opline->lineno
- | xor CARG4, CARG4
- | xor CARG5, CARG5
- | EXT_CALL _emalloc, r0
- | .else
- | sub r4, 4
- | push 0
- | push 0
- | push opline->lineno
- | EXT_CALL _emalloc, r0
- | add r4, 4
- | .endif
- ||#else
- ||#ifdef HAVE_BUILTIN_CONSTANT_P
- || if (size > 24 && size <= 32) {
- | EXT_CALL _emalloc_32, r0
- || } else {
- | mov FCARG1a, size
- | EXT_CALL _emalloc, r0
- || }
- ||#else
- | mov FCARG1a, size
- | EXT_CALL _emalloc, r0
- ||#endif
- ||#endif
- |.endmacro
- |.macro OBJ_RELEASE, reg, exit_label
- | GC_DELREF Ra(reg)
- | jne >1
- | // zend_objects_store_del(obj);
- || if (reg != ZREG_FCARG1) {
- | mov FCARG1a, Ra(reg)
- || }
- | EXT_CALL zend_objects_store_del, r0
- | jmp exit_label
- |1:
- | IF_GC_MAY_NOT_LEAK Ra(reg), >1
- | // gc_possible_root(obj)
- || if (reg != ZREG_FCARG1) {
- | mov FCARG1a, Ra(reg)
- || }
- | EXT_CALL gc_possible_root, r0
- |1:
- |.endmacro
- |.macro UNDEFINED_OFFSET, opline
- || if (opline == last_valid_opline) {
- || zend_jit_use_last_valid_opline();
- | call ->undefined_offset_ex
- || } else {
- | SET_EX_OPLINE opline, r0
- | call ->undefined_offset
- || }
- |.endmacro
- |.macro UNDEFINED_INDEX, opline
- || if (opline == last_valid_opline) {
- || zend_jit_use_last_valid_opline();
- | call ->undefined_index_ex
- || } else {
- | SET_EX_OPLINE opline, r0
- | call ->undefined_index
- || }
- |.endmacro
- |.macro CANNOT_ADD_ELEMENT, opline
- || if (opline == last_valid_opline) {
- || zend_jit_use_last_valid_opline();
- | call ->cannot_add_element_ex
- || } else {
- | SET_EX_OPLINE opline, r0
- | call ->cannot_add_element
- || }
- |.endmacro
- static bool reuse_ip = 0;
- static bool delayed_call_chain = 0;
- static uint32_t delayed_call_level = 0;
- static const zend_op *last_valid_opline = NULL;
- static bool use_last_vald_opline = 0;
- static bool track_last_valid_opline = 0;
- static int jit_return_label = -1;
- static uint32_t current_trace_num = 0;
- static uint32_t allowed_opt_flags = 0;
- static void zend_jit_track_last_valid_opline(void)
- {
- use_last_vald_opline = 0;
- track_last_valid_opline = 1;
- }
- static void zend_jit_use_last_valid_opline(void)
- {
- if (track_last_valid_opline) {
- use_last_vald_opline = 1;
- track_last_valid_opline = 0;
- }
- }
- static bool zend_jit_trace_uses_initial_ip(void)
- {
- return use_last_vald_opline;
- }
- static void zend_jit_set_last_valid_opline(const zend_op *target_opline)
- {
- if (!reuse_ip) {
- track_last_valid_opline = 0;
- last_valid_opline = target_opline;
- }
- }
- static void zend_jit_reset_last_valid_opline(void)
- {
- track_last_valid_opline = 0;
- last_valid_opline = NULL;
- }
- static void zend_jit_start_reuse_ip(void)
- {
- zend_jit_reset_last_valid_opline();
- reuse_ip = 1;
- }
- static int zend_jit_reuse_ip(dasm_State **Dst)
- {
- if (!reuse_ip) {
- zend_jit_start_reuse_ip();
- | // call = EX(call);
- | mov RX, EX->call
- }
- return 1;
- }
- static void zend_jit_stop_reuse_ip(void)
- {
- reuse_ip = 0;
- }
- static int zend_jit_interrupt_handler_stub(dasm_State **Dst)
- {
- |->interrupt_handler:
- | SAVE_IP
- | //EG(vm_interrupt) = 0;
- | MEM_STORE_ZTS byte, executor_globals, vm_interrupt, 0, r0
- | //if (EG(timed_out)) {
- | MEM_CMP_ZTS byte, executor_globals, timed_out, 0, r0
- | je >1
- | //zend_timeout();
- | EXT_CALL zend_timeout, r0
- |1:
- | //} else if (zend_interrupt_function) {
- if (zend_interrupt_function) {
- | //zend_interrupt_function(execute_data);
- |.if X64
- | mov CARG1, FP
- | EXT_CALL zend_interrupt_function, r0
- |.else
- | mov aword A1, FP
- | EXT_CALL zend_interrupt_function, r0
- |.endif
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | je >1
- | EXT_CALL zend_jit_exception_in_interrupt_handler_helper, r0
- |1:
- | //ZEND_VM_ENTER();
- | //execute_data = EG(current_execute_data);
- | MEM_LOAD_ZTS FP, aword, executor_globals, current_execute_data, r0
- | LOAD_IP
- }
- | //ZEND_VM_CONTINUE()
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- | JMP_IP
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | JMP_IP
- } else {
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, 1 // ZEND_VM_ENTER
- | ret
- }
- return 1;
- }
- static int zend_jit_exception_handler_stub(dasm_State **Dst)
- {
- |->exception_handler:
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- const void *handler = zend_get_opcode_handler_func(EG(exception_op));
- | ADD_HYBRID_SPAD
- | EXT_CALL handler, r0
- | JMP_IP
- } else {
- const void *handler = EG(exception_op)->handler;
- if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | EXT_JMP handler, r0
- } else {
- | mov FCARG1a, FP
- | EXT_CALL handler, r0
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | test eax, eax
- | jl >1
- | mov r0, 1 // ZEND_VM_ENTER
- |1:
- | ret
- }
- }
- return 1;
- }
- static int zend_jit_exception_handler_undef_stub(dasm_State **Dst)
- {
- |->exception_handler_undef:
- | MEM_LOAD_ZTS r0, aword, executor_globals, opline_before_exception, r0
- | test byte OP:r0->result_type, (IS_TMP_VAR|IS_VAR)
- | jz >1
- | mov eax, dword OP:r0->result.var
- | SET_Z_TYPE_INFO FP + r0, IS_UNDEF
- |1:
- | jmp ->exception_handler
- return 1;
- }
- static int zend_jit_exception_handler_free_op1_op2_stub(dasm_State **Dst)
- {
- |->exception_handler_free_op1_op2:
- | UNDEF_OPLINE_RESULT_IF_USED
- | test byte OP:RX->op1_type, (IS_TMP_VAR|IS_VAR)
- | je >9
- | mov eax, dword OP:RX->op1.var
- | add r0, FP
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0), MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN|MAY_BE_REF, 0, 0, NULL
- |9:
- | test byte OP:RX->op2_type, (IS_TMP_VAR|IS_VAR)
- | je >9
- | mov eax, dword OP:RX->op2.var
- | add r0, FP
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0), MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN|MAY_BE_REF, 0, 0, NULL
- |9:
- | jmp ->exception_handler
- return 1;
- }
- static int zend_jit_exception_handler_free_op2_stub(dasm_State **Dst)
- {
- |->exception_handler_free_op2:
- | MEM_LOAD_ZTS RX, aword, executor_globals, opline_before_exception, r0
- | UNDEF_OPLINE_RESULT_IF_USED
- | test byte OP:RX->op2_type, (IS_TMP_VAR|IS_VAR)
- | je >9
- | mov eax, dword OP:RX->op2.var
- | add r0, FP
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0), MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN|MAY_BE_REF, 0, 0, NULL
- |9:
- | jmp ->exception_handler
- return 1;
- }
- static int zend_jit_leave_function_stub(dasm_State **Dst)
- {
- |->leave_function_handler:
- | mov FCARG1d, dword [FP + offsetof(zend_execute_data, This.u1.type_info)]
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | test FCARG1d, ZEND_CALL_TOP
- | jnz >1
- | EXT_CALL zend_jit_leave_nested_func_helper, r0
- | ADD_HYBRID_SPAD
- | JMP_IP
- |1:
- | EXT_CALL zend_jit_leave_top_func_helper, r0
- | ADD_HYBRID_SPAD
- | JMP_IP
- } else {
- if (GCC_GLOBAL_REGS) {
- | add r4, SPAD
- } else {
- | mov FCARG2a, FP
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD
- }
- | test FCARG1d, ZEND_CALL_TOP
- | jnz >1
- | EXT_JMP zend_jit_leave_nested_func_helper, r0
- |1:
- | EXT_JMP zend_jit_leave_top_func_helper, r0
- }
- return 1;
- }
- static int zend_jit_leave_throw_stub(dasm_State **Dst)
- {
- |->leave_throw_handler:
- | // if (opline->opcode != ZEND_HANDLE_EXCEPTION) {
- if (GCC_GLOBAL_REGS) {
- | cmp byte OP:IP->opcode, ZEND_HANDLE_EXCEPTION
- | je >5
- | // EG(opline_before_exception) = opline;
- | MEM_STORE_ZTS aword, executor_globals, opline_before_exception, IP, r0
- |5:
- | // opline = EG(exception_op);
- | LOAD_IP_ADDR_ZTS executor_globals, exception_op
- | // HANDLE_EXCEPTION()
- | jmp ->exception_handler
- } else {
- | GET_IP FCARG1a
- | cmp byte OP:FCARG1a->opcode, ZEND_HANDLE_EXCEPTION
- | je >5
- | // EG(opline_before_exception) = opline;
- | MEM_STORE_ZTS aword, executor_globals, opline_before_exception, FCARG1a, r0
- |5:
- | // opline = EG(exception_op);
- | LOAD_IP_ADDR_ZTS executor_globals, exception_op
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, 2 // ZEND_VM_LEAVE
- | ret
- }
- return 1;
- }
- static int zend_jit_icall_throw_stub(dasm_State **Dst)
- {
- |->icall_throw_handler:
- | // zend_rethrow_exception(zend_execute_data *execute_data)
- | mov IP, aword EX->opline
- | // if (EX(opline)->opcode != ZEND_HANDLE_EXCEPTION) {
- | cmp byte OP:IP->opcode, ZEND_HANDLE_EXCEPTION
- | je >1
- | // EG(opline_before_exception) = opline;
- | MEM_STORE_ZTS aword, executor_globals, opline_before_exception, IP, r0
- |1:
- | // opline = EG(exception_op);
- | LOAD_IP_ADDR_ZTS executor_globals, exception_op
- || if (GCC_GLOBAL_REGS) {
- | mov aword EX->opline, IP
- || }
- | // HANDLE_EXCEPTION()
- | jmp ->exception_handler
- return 1;
- }
- static int zend_jit_throw_cannot_pass_by_ref_stub(dasm_State **Dst)
- {
- |->throw_cannot_pass_by_ref:
- | mov r0, EX->opline
- | mov ecx, dword OP:r0->result.var
- | SET_Z_TYPE_INFO RX+r1, IS_UNDEF
- | // last EX(call) frame may be delayed
- | cmp RX, EX->call
- | je >1
- | mov r1, EX->call
- | mov EX:RX->prev_execute_data, r1
- | mov EX->call, RX
- |1:
- | mov RX, r0
- | mov FCARG1d, dword OP:r0->op2.num
- | EXT_CALL zend_cannot_pass_by_reference, r0
- | cmp byte OP:RX->op1_type, IS_TMP_VAR
- | jne >9
- | mov eax, dword OP:RX->op1.var
- | add r0, FP
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0), MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN|MAY_BE_REF, 0, 0, NULL
- |9:
- | jmp ->exception_handler
- return 1;
- }
- static int zend_jit_undefined_offset_ex_stub(dasm_State **Dst)
- {
- |->undefined_offset_ex:
- | SAVE_IP
- | jmp ->undefined_offset
- return 1;
- }
- static int zend_jit_undefined_offset_stub(dasm_State **Dst)
- {
- |->undefined_offset:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- | mov r0, EX->opline
- | mov ecx, dword OP:r0->result.var
- | cmp byte OP:r0->op2_type, IS_CONST
- | SET_Z_TYPE_INFO FP + r1, IS_NULL
- | jne >2
- |.if X64
- | movsxd r1, dword OP:r0->op2.constant
- | add r0, r1
- |.else
- | mov r0, aword OP:r0->op2.zv
- |.endif
- | jmp >3
- |2:
- | mov eax, dword OP:r0->op2.var
- | add r0, FP
- |3:
- |.if X64WIN
- | mov CARG1, E_WARNING
- | LOAD_ADDR CARG2, "Undefined array key " ZEND_LONG_FMT
- | mov CARG3, aword [r0]
- | EXT_CALL zend_error, r0
- | add r4, 0x28 // stack alignment
- |.elif X64
- | mov CARG1, E_WARNING
- | LOAD_ADDR CARG2, "Undefined array key " ZEND_LONG_FMT
- | mov CARG3, aword [r0]
- | EXT_CALL zend_error, r0
- | add r4, 8 // stack alignment
- |.else
- | sub r4, 4
- | push aword [r0]
- | push "Undefined array key " ZEND_LONG_FMT
- | push E_WARNING
- | EXT_CALL zend_error, r0
- | add r4, 28
- |.endif
- | ret
- return 1;
- }
- static int zend_jit_undefined_index_ex_stub(dasm_State **Dst)
- {
- |->undefined_index_ex:
- | SAVE_IP
- | jmp ->undefined_index
- return 1;
- }
- static int zend_jit_undefined_index_stub(dasm_State **Dst)
- {
- |->undefined_index:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- | mov r0, EX->opline
- | mov ecx, dword OP:r0->result.var
- | cmp byte OP:r0->op2_type, IS_CONST
- | SET_Z_TYPE_INFO FP + r1, IS_NULL
- | jne >2
- |.if X64
- | movsxd r1, dword OP:r0->op2.constant
- | add r0, r1
- |.else
- | mov r0, aword OP:r0->op2.zv
- |.endif
- | jmp >3
- |2:
- | mov eax, dword OP:r0->op2.var
- | add r0, FP
- |3:
- |.if X64WIN
- | mov CARG1, E_WARNING
- | LOAD_ADDR CARG2, "Undefined array key \"%s\""
- | mov CARG3, aword [r0]
- | add CARG3, offsetof(zend_string, val)
- | EXT_CALL zend_error, r0
- | add r4, 0x28
- |.elif X64
- | mov CARG1, E_WARNING
- | LOAD_ADDR CARG2, "Undefined array key \"%s\""
- | mov CARG3, aword [r0]
- | add CARG3, offsetof(zend_string, val)
- | EXT_CALL zend_error, r0
- | add r4, 8
- |.else
- | sub r4, 4
- | mov r0, aword [r0]
- | add r0, offsetof(zend_string, val)
- | push r0
- | push "Undefined array key \"%s\""
- | push E_WARNING
- | EXT_CALL zend_error, r0
- | add r4, 28
- |.endif
- | ret
- return 1;
- }
- static int zend_jit_cannot_add_element_ex_stub(dasm_State **Dst)
- {
- |->cannot_add_element_ex:
- | SAVE_IP
- | jmp ->cannot_add_element
- return 1;
- }
- static int zend_jit_cannot_add_element_stub(dasm_State **Dst)
- {
- |->cannot_add_element:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- | mov r0, EX->opline
- | cmp byte OP:r0->result_type, IS_UNUSED
- | jz >1
- | mov eax, dword OP:r0->result.var
- | SET_Z_TYPE_INFO FP + r0, IS_NULL
- |1:
- |.if X64WIN
- | xor CARG1, CARG1
- | LOAD_ADDR CARG2, "Cannot add element to the array as the next element is already occupied"
- | EXT_CALL zend_throw_error, r0
- | add r4, 0x28
- |.elif X64
- | xor CARG1, CARG1
- | LOAD_ADDR CARG2, "Cannot add element to the array as the next element is already occupied"
- | EXT_CALL zend_throw_error, r0
- | add r4, 8
- |.else
- | sub r4, 8
- | push "Cannot add element to the array as the next element is already occupied"
- | push 0
- | EXT_CALL zend_throw_error, r0
- | add r4, 28
- |.endif
- | ret
- return 1;
- }
- static int zend_jit_undefined_function_stub(dasm_State **Dst)
- {
- |->undefined_function:
- | mov r0, aword EX->opline
- |.if X64
- | xor CARG1, CARG1
- | LOAD_ADDR CARG2, "Call to undefined function %s()"
- | movsxd CARG3, dword [r0 + offsetof(zend_op, op2.constant)]
- | mov CARG3, aword [r0 + CARG3]
- | add CARG3, offsetof(zend_string, val)
- | EXT_CALL zend_throw_error, r0
- |.else
- | mov r0, aword [r0 + offsetof(zend_op, op2.zv)]
- | mov r0, aword [r0]
- | add r0, offsetof(zend_string, val)
- | mov aword A3, r0
- | mov aword A2, "Call to undefined function %s()"
- | mov aword A1, 0
- | EXT_CALL zend_throw_error, r0
- |.endif
- | jmp ->exception_handler
- return 1;
- }
- static int zend_jit_negative_shift_stub(dasm_State **Dst)
- {
- |->negative_shift:
- | mov RX, EX->opline
- |.if X64
- |.if WIN
- | LOAD_ADDR CARG1, &zend_ce_arithmetic_error
- | mov CARG1, aword [CARG1]
- |.else
- | LOAD_ADDR CARG1, zend_ce_arithmetic_error
- |.endif
- | LOAD_ADDR CARG2, "Bit shift by negative number"
- | EXT_CALL zend_throw_error, r0
- |.else
- | sub r4, 8
- | push "Bit shift by negative number"
- |.if WIN
- | LOAD_ADDR r0, &zend_ce_arithmetic_error
- | push aword [r0]
- |.else
- | PUSH_ADDR zend_ce_arithmetic_error, r0
- |.endif
- | EXT_CALL zend_throw_error, r0
- | add r4, 16
- |.endif
- | jmp ->exception_handler_free_op1_op2
- return 1;
- }
- static int zend_jit_mod_by_zero_stub(dasm_State **Dst)
- {
- |->mod_by_zero:
- | mov RX, EX->opline
- |.if X64
- |.if WIN
- | LOAD_ADDR CARG1, &zend_ce_division_by_zero_error
- | mov CARG1, aword [CARG1]
- |.else
- | LOAD_ADDR CARG1, zend_ce_division_by_zero_error
- |.endif
- | LOAD_ADDR CARG2, "Modulo by zero"
- | EXT_CALL zend_throw_error, r0
- |.else
- | sub r4, 8
- | push "Modulo by zero"
- |.if WIN
- | LOAD_ADDR r0, &zend_ce_division_by_zero_error
- | push aword [r0]
- |.else
- | PUSH_ADDR zend_ce_division_by_zero_error, r0
- |.endif
- | EXT_CALL zend_throw_error, r0
- | add r4, 16
- |.endif
- | jmp ->exception_handler_free_op1_op2
- return 1;
- }
- static int zend_jit_invalid_this_stub(dasm_State **Dst)
- {
- |->invalid_this:
- | UNDEF_OPLINE_RESULT
- |.if X64
- | xor CARG1, CARG1
- | LOAD_ADDR CARG2, "Using $this when not in object context"
- | EXT_CALL zend_throw_error, r0
- |.else
- | sub r4, 8
- | push "Using $this when not in object context"
- | push 0
- | EXT_CALL zend_throw_error, r0
- | add r4, 16
- |.endif
- | jmp ->exception_handler
- return 1;
- }
- static int zend_jit_double_one_stub(dasm_State **Dst)
- {
- |->one:
- |.dword 0, 0x3ff00000
- return 1;
- }
- static int zend_jit_hybrid_runtime_jit_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID) {
- return 1;
- }
- |->hybrid_runtime_jit:
- | EXT_CALL zend_runtime_jit, r0
- | JMP_IP
- return 1;
- }
- static int zend_jit_hybrid_profile_jit_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID) {
- return 1;
- }
- |->hybrid_profile_jit:
- | // ++zend_jit_profile_counter;
- | .if X64
- | LOAD_ADDR r0, &zend_jit_profile_counter
- | inc aword [r0]
- | .else
- | inc aword [&zend_jit_profile_counter]
- | .endif
- | // op_array = (zend_op_array*)EX(func);
- | mov r0, EX->func
- | // run_time_cache = EX(run_time_cache);
- | mov r2, EX->run_time_cache
- | // jit_extension = (const void*)ZEND_FUNC_INFO(op_array);
- | mov r0, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | // ++ZEND_COUNTER_INFO(op_array)
- | inc aword [r2 + zend_jit_profile_counter_rid * sizeof(void*)]
- | // return ((zend_vm_opcode_handler_t)jit_extension->orig_handler)()
- | jmp aword [r0 + offsetof(zend_jit_op_array_extension, orig_handler)]
- return 1;
- }
- static int zend_jit_hybrid_hot_code_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID) {
- return 1;
- }
- |->hybrid_hot_code:
- | mov word [r2], ZEND_JIT_COUNTER_INIT
- | mov FCARG1a, FP
- | GET_IP FCARG2a
- | EXT_CALL zend_jit_hot_func, r0
- | JMP_IP
- return 1;
- }
- /*
- * This code is based Mike Pall's "Hashed profile counters" idea, implemented
- * in LuaJIT. The full description may be found in "LuaJIT 2.0 intellectual
- * property disclosure and research opportunities" email
- * at http://lua-users.org/lists/lua-l/2009-11/msg00089.html
- *
- * In addition we use a variation of Knuth's multiplicative hash function
- * described at https://code.i-harness.com/en/q/a21ce
- *
- * uint64_t hash(uint64_t x) {
- * x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
- * x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
- * x = x ^ (x >> 31);
- * return x;
- * }
- *
- * uint_32_t hash(uint32_t x) {
- * x = ((x >> 16) ^ x) * 0x45d9f3b;
- * x = ((x >> 16) ^ x) * 0x45d9f3b;
- * x = (x >> 16) ^ x;
- * return x;
- * }
- *
- */
- static int zend_jit_hybrid_hot_counter_stub(dasm_State **Dst, uint32_t cost)
- {
- | mov r0, EX->func
- | mov r1, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r2, aword [r1 + offsetof(zend_jit_op_array_hot_extension, counter)]
- | sub word [r2], cost
- | jle ->hybrid_hot_code
- | GET_IP r2
- | sub r2, aword [r0 + offsetof(zend_op_array, opcodes)]
- | // divide by sizeof(zend_op)
- | .if X64
- || ZEND_ASSERT(sizeof(zend_op) == 32);
- | sar r2, 2
- | .else
- || ZEND_ASSERT(sizeof(zend_op) == 28);
- | imul r2, 0xb6db6db7
- | .endif
- | .if X64
- | jmp aword [r1+r2+offsetof(zend_jit_op_array_hot_extension, orig_handlers)]
- | .else
- | jmp aword [r1+r2+offsetof(zend_jit_op_array_hot_extension, orig_handlers)]
- | .endif
- return 1;
- }
- static int zend_jit_hybrid_func_hot_counter_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID || !JIT_G(hot_func)) {
- return 1;
- }
- |->hybrid_func_hot_counter:
- return zend_jit_hybrid_hot_counter_stub(Dst,
- ((ZEND_JIT_COUNTER_INIT + JIT_G(hot_func) - 1) / JIT_G(hot_func)));
- }
- static int zend_jit_hybrid_loop_hot_counter_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID || !JIT_G(hot_loop)) {
- return 1;
- }
- |->hybrid_loop_hot_counter:
- return zend_jit_hybrid_hot_counter_stub(Dst,
- ((ZEND_JIT_COUNTER_INIT + JIT_G(hot_loop) - 1) / JIT_G(hot_loop)));
- }
- static int zend_jit_hybrid_hot_trace_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID) {
- return 1;
- }
- |->hybrid_hot_trace:
- | mov word [r2], ZEND_JIT_COUNTER_INIT
- | mov FCARG1a, FP
- | GET_IP FCARG2a
- | EXT_CALL zend_jit_trace_hot_root, r0
- | test eax, eax // TODO : remove this check at least for HYBRID VM ???
- | jl >1
- | MEM_LOAD_ZTS FP, aword, executor_globals, current_execute_data, r0
- | LOAD_IP
- | JMP_IP
- |1:
- | EXT_JMP zend_jit_halt_op->handler, r0
- return 1;
- }
- static int zend_jit_hybrid_trace_counter_stub(dasm_State **Dst, uint32_t cost)
- {
- | mov r0, EX->func
- | mov r1, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r1, aword [r1 + offsetof(zend_jit_op_array_trace_extension, offset)]
- | mov r2, aword [IP + r1 + offsetof(zend_op_trace_info, counter)]
- | sub word [r2], cost
- | jle ->hybrid_hot_trace
- | jmp aword [IP + r1]
- return 1;
- }
- static int zend_jit_hybrid_func_trace_counter_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID || !JIT_G(hot_func)) {
- return 1;
- }
- |->hybrid_func_trace_counter:
- return zend_jit_hybrid_trace_counter_stub(Dst,
- ((ZEND_JIT_COUNTER_INIT + JIT_G(hot_func) - 1) / JIT_G(hot_func)));
- }
- static int zend_jit_hybrid_ret_trace_counter_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID || !JIT_G(hot_return)) {
- return 1;
- }
- |->hybrid_ret_trace_counter:
- return zend_jit_hybrid_trace_counter_stub(Dst,
- ((ZEND_JIT_COUNTER_INIT + JIT_G(hot_return) - 1) / JIT_G(hot_return)));
- }
- static int zend_jit_hybrid_loop_trace_counter_stub(dasm_State **Dst)
- {
- if (zend_jit_vm_kind != ZEND_VM_KIND_HYBRID || !JIT_G(hot_loop)) {
- return 1;
- }
- |->hybrid_loop_trace_counter:
- return zend_jit_hybrid_trace_counter_stub(Dst,
- ((ZEND_JIT_COUNTER_INIT + JIT_G(hot_loop) - 1) / JIT_G(hot_loop)));
- }
- static int zend_jit_trace_halt_stub(dasm_State **Dst)
- {
- |->trace_halt:
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- | EXT_JMP zend_jit_halt_op->handler, r0
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | xor IP, IP // PC must be zero
- | ret
- } else {
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, -1 // ZEND_VM_RETURN
- | ret
- }
- return 1;
- }
- static int zend_jit_trace_exit_stub(dasm_State **Dst)
- {
- |->trace_exit:
- |
- | // Save CPU registers
- |.if X64
- | sub r4, 16*8+16*8-8 /* CPU regs + SSE regs */
- | mov aword [r4+15*8], r15
- | mov aword [r4+11*8], r11
- | mov aword [r4+10*8], r10
- | mov aword [r4+9*8], r9
- | mov aword [r4+8*8], r8
- | mov aword [r4+7*8], rdi
- | mov aword [r4+6*8], rsi
- | mov aword [r4+2*8], rdx
- | mov aword [r4+1*8], rcx
- | mov aword [r4+0*8], rax
- | mov FCARG1a, aword [r4+16*8+16*8-8] // exit_num = POP
- | mov FCARG2a, r4
- | movsd qword [r4+16*8+15*8], xmm15
- | movsd qword [r4+16*8+14*8], xmm14
- | movsd qword [r4+16*8+13*8], xmm13
- | movsd qword [r4+16*8+12*8], xmm12
- | movsd qword [r4+16*8+11*8], xmm11
- | movsd qword [r4+16*8+10*8], xmm10
- | movsd qword [r4+16*8+9*8], xmm9
- | movsd qword [r4+16*8+8*8], xmm8
- | movsd qword [r4+16*8+7*8], xmm7
- | movsd qword [r4+16*8+6*8], xmm6
- | movsd qword [r4+16*8+5*8], xmm5
- | movsd qword [r4+16*8+4*8], xmm4
- | movsd qword [r4+16*8+3*8], xmm3
- | movsd qword [r4+16*8+2*8], xmm2
- | movsd qword [r4+16*8+1*8], xmm1
- | movsd qword [r4+16*8+0*8], xmm0
- |.if X64WIN
- | sub r4, 32 /* shadow space */
- |.endif
- |.else
- | sub r4, 8*4+8*8-4 /* CPU regs + SSE regs */
- | mov aword [r4+7*4], edi
- | mov aword [r4+2*4], edx
- | mov aword [r4+1*4], ecx
- | mov aword [r4+0*4], eax
- | mov FCARG1a, aword [r4+8*4+8*8-4] // exit_num = POP
- | mov FCARG2a, r4
- | movsd qword [r4+8*4+7*8], xmm7
- | movsd qword [r4+8*4+6*8], xmm6
- | movsd qword [r4+8*4+5*8], xmm5
- | movsd qword [r4+8*4+4*8], xmm4
- | movsd qword [r4+8*4+3*8], xmm3
- | movsd qword [r4+8*4+2*8], xmm2
- | movsd qword [r4+8*4+1*8], xmm1
- | movsd qword [r4+8*4+0*8], xmm0
- |.endif
- |
- | // EX(opline) = opline
- | SAVE_IP
- | // zend_jit_trace_exit(trace_num, exit_num)
- | EXT_CALL zend_jit_trace_exit, r0
- |.if X64WIN
- | add r4, 16*8+16*8+32 /* CPU regs + SSE regs + shadow space */
- |.elif X64
- | add r4, 16*8+16*8 /* CPU regs + SSE regs */
- |.else
- | add r4, 8*4+8*8 /* CPU regs + SSE regs */
- |.endif
- | test eax, eax
- | jne >1
- | // execute_data = EG(current_execute_data)
- | MEM_LOAD_ZTS FP, aword, executor_globals, current_execute_data, r0
- | // opline = EX(opline)
- | LOAD_IP
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- | JMP_IP
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | JMP_IP
- } else {
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, 1 // ZEND_VM_ENTER
- | ret
- }
- |1:
- | jl ->trace_halt
- | // execute_data = EG(current_execute_data)
- | MEM_LOAD_ZTS FP, aword, executor_globals, current_execute_data, r0
- | // opline = EX(opline)
- | LOAD_IP
- | // check for interrupt (try to avoid this ???)
- | MEM_CMP_ZTS byte, executor_globals, vm_interrupt, 0, r0
- | jne ->interrupt_handler
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- | mov r0, EX->func
- | mov r0, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r0, aword [r0 + offsetof(zend_jit_op_array_trace_extension, offset)]
- | jmp aword [IP + r0]
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | mov r0, EX->func
- | mov r0, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r0, aword [r0 + offsetof(zend_jit_op_array_trace_extension, offset)]
- | jmp aword [IP + r0]
- } else {
- | mov IP, aword EX->opline
- | mov FCARG1a, FP
- | mov r0, EX->func
- | mov r0, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r0, aword [r0 + offsetof(zend_jit_op_array_trace_extension, offset)]
- | call aword [IP + r0]
- | test eax, eax
- | jl ->trace_halt
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, 1 // ZEND_VM_ENTER
- | ret
- }
- return 1;
- }
- static int zend_jit_trace_escape_stub(dasm_State **Dst)
- {
- |->trace_escape:
- |
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- | JMP_IP
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | JMP_IP
- } else {
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, 1 // ZEND_VM_ENTER
- | ret
- }
- return 1;
- }
- /* Keep 32 exit points in a single code block */
- #define ZEND_JIT_EXIT_POINTS_SPACING 4 // push byte + short jmp = bytes
- #define ZEND_JIT_EXIT_POINTS_PER_GROUP 32 // number of continuous exit points
- static int zend_jit_trace_exit_group_stub(dasm_State **Dst, uint32_t n)
- {
- uint32_t i;
- for (i = 0; i < ZEND_JIT_EXIT_POINTS_PER_GROUP - 1; i++) {
- | push byte i
- | .byte 0xeb, (4*(ZEND_JIT_EXIT_POINTS_PER_GROUP-i)-6) // jmp >1
- }
- | push byte i
- |// 1:
- | add aword [r4], n
- | jmp ->trace_exit
- return 1;
- }
- #ifdef CONTEXT_THREADED_JIT
- static int zend_jit_context_threaded_call_stub(dasm_State **Dst)
- {
- |->context_threaded_call:
- | pop r0
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- | jmp aword [IP]
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | jmp aword [IP]
- } else {
- ZEND_UNREACHABLE();
- // TODO: context threading can't work without GLOBAL REGS because we have to change
- // the value of execute_data in execute_ex()
- | mov FCARG1a, FP
- | mov r0, aword [FP]
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | jmp aword [r0]
- }
- return 1;
- }
- #endif
- static int zend_jit_assign_const_stub(dasm_State **Dst)
- {
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG2, 0);
- uint32_t val_info = MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN;
- |->assign_const:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- if (!zend_jit_assign_to_variable(
- Dst, NULL,
- var_addr, var_addr, -1, -1,
- IS_CONST, val_addr, val_info,
- 0, 0)) {
- return 0;
- }
- |.if X64WIN
- | add r4, 0x28
- |.elif X64
- | add r4, 8
- |.else
- | add r4, 12
- |.endif
- | ret
- return 1;
- }
- static int zend_jit_assign_tmp_stub(dasm_State **Dst)
- {
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG2, 0);
- uint32_t val_info = MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN;
- |->assign_tmp:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- if (!zend_jit_assign_to_variable(
- Dst, NULL,
- var_addr, var_addr, -1, -1,
- IS_TMP_VAR, val_addr, val_info,
- 0, 0)) {
- return 0;
- }
- |.if X64WIN
- | add r4, 0x28
- |.elif X64
- | add r4, 8
- |.else
- | add r4, 12
- |.endif
- | ret
- return 1;
- }
- static int zend_jit_assign_var_stub(dasm_State **Dst)
- {
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG2, 0);
- uint32_t val_info = MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN|MAY_BE_REF;
- |->assign_var:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- if (!zend_jit_assign_to_variable(
- Dst, NULL,
- var_addr, var_addr, -1, -1,
- IS_VAR, val_addr, val_info,
- 0, 0)) {
- return 0;
- }
- |.if X64WIN
- | add r4, 0x28
- |.elif X64
- | add r4, 8
- |.else
- | add r4, 12
- |.endif
- | ret
- return 1;
- }
- static int zend_jit_assign_cv_noref_stub(dasm_State **Dst)
- {
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG2, 0);
- uint32_t val_info = MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN/*|MAY_BE_UNDEF*/;
- |->assign_cv_noref:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- if (!zend_jit_assign_to_variable(
- Dst, NULL,
- var_addr, var_addr, -1, -1,
- IS_CV, val_addr, val_info,
- 0, 0)) {
- return 0;
- }
- |.if X64WIN
- | add r4, 0x28
- |.elif X64
- | add r4, 8
- |.else
- | add r4, 12
- |.endif
- | ret
- return 1;
- }
- static int zend_jit_assign_cv_stub(dasm_State **Dst)
- {
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG2, 0);
- uint32_t val_info = MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN|MAY_BE_REF/*|MAY_BE_UNDEF*/;
- |->assign_cv:
- |.if X64WIN
- | sub r4, 0x28
- |.elif X64
- | sub r4, 8
- |.else
- | sub r4, 12
- |.endif
- if (!zend_jit_assign_to_variable(
- Dst, NULL,
- var_addr, var_addr, -1, -1,
- IS_CV, val_addr, val_info,
- 0, 0)) {
- return 0;
- }
- |.if X64WIN
- | add r4, 0x28
- |.elif X64
- | add r4, 8
- |.else
- | add r4, 12
- |.endif
- | ret
- return 1;
- }
- static const zend_jit_stub zend_jit_stubs[] = {
- JIT_STUB(interrupt_handler, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(exception_handler, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(exception_handler_undef, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(exception_handler_free_op1_op2, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(exception_handler_free_op2, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(leave_function, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(leave_throw, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(icall_throw, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(throw_cannot_pass_by_ref, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(undefined_offset, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(undefined_index, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(cannot_add_element, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(undefined_offset_ex, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(undefined_index_ex, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(cannot_add_element_ex, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(undefined_function, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(negative_shift, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(mod_by_zero, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(invalid_this, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(trace_halt, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(trace_exit, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(trace_escape, SP_ADJ_JIT, SP_ADJ_VM),
- JIT_STUB(hybrid_runtime_jit, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_profile_jit, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_hot_code, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_func_hot_counter, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_loop_hot_counter, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_hot_trace, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_func_trace_counter, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_ret_trace_counter, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(hybrid_loop_trace_counter, SP_ADJ_VM, SP_ADJ_NONE),
- JIT_STUB(assign_const, SP_ADJ_RET, SP_ADJ_ASSIGN),
- JIT_STUB(assign_tmp, SP_ADJ_RET, SP_ADJ_ASSIGN),
- JIT_STUB(assign_var, SP_ADJ_RET, SP_ADJ_ASSIGN),
- JIT_STUB(assign_cv_noref, SP_ADJ_RET, SP_ADJ_ASSIGN),
- JIT_STUB(assign_cv, SP_ADJ_RET, SP_ADJ_ASSIGN),
- JIT_STUB(double_one, SP_ADJ_NONE, SP_ADJ_NONE),
- #ifdef CONTEXT_THREADED_JIT
- JIT_STUB(context_threaded_call, SP_ADJ_RET, SP_ADJ_NONE),
- #endif
- };
- #if ZTS && defined(ZEND_WIN32)
- extern uint32_t _tls_index;
- extern char *_tls_start;
- extern char *_tls_end;
- #endif
- #ifdef HAVE_GDB
- typedef struct _Unwind_Context _Unwind_Context;
- typedef int (*_Unwind_Trace_Fn)(_Unwind_Context *, void *);
- extern int _Unwind_Backtrace(_Unwind_Trace_Fn, void *);
- extern uintptr_t _Unwind_GetCFA(_Unwind_Context *);
- typedef struct _zend_jit_unwind_arg {
- int cnt;
- uintptr_t cfa[3];
- } zend_jit_unwind_arg;
- static int zend_jit_unwind_cb(_Unwind_Context *ctx, void *a)
- {
- zend_jit_unwind_arg *arg = (zend_jit_unwind_arg*)a;
- arg->cfa[arg->cnt] = _Unwind_GetCFA(ctx);
- arg->cnt++;
- if (arg->cnt == 3) {
- return 5; // _URC_END_OF_STACK
- }
- return 0; // _URC_NO_REASON;
- }
- static void ZEND_FASTCALL zend_jit_touch_vm_stack_data(void *vm_stack_data)
- {
- zend_jit_unwind_arg arg;
- memset(&arg, 0, sizeof(arg));
- _Unwind_Backtrace(zend_jit_unwind_cb, &arg);
- if (arg.cnt == 3) {
- sp_adj[SP_ADJ_VM] = arg.cfa[2] - arg.cfa[1];
- }
- }
- extern void (ZEND_FASTCALL *zend_touch_vm_stack_data)(void *vm_stack_data);
- static zend_never_inline void zend_jit_set_sp_adj_vm(void)
- {
- void (ZEND_FASTCALL *orig_zend_touch_vm_stack_data)(void *);
- orig_zend_touch_vm_stack_data = zend_touch_vm_stack_data;
- zend_touch_vm_stack_data = zend_jit_touch_vm_stack_data;
- execute_ex(NULL); // set sp_adj[SP_ADJ_VM]
- zend_touch_vm_stack_data = orig_zend_touch_vm_stack_data;
- }
- #endif
- static int zend_jit_setup(void)
- {
- if (!zend_cpu_supports_sse2()) {
- zend_error(E_CORE_ERROR, "CPU doesn't support SSE2");
- return FAILURE;
- }
- allowed_opt_flags = 0;
- if (zend_cpu_supports_avx()) {
- allowed_opt_flags |= ZEND_JIT_CPU_AVX;
- }
- #if ZTS
- # ifdef _WIN64
- tsrm_tls_index = _tls_index * sizeof(void*);
- /* To find offset of "_tsrm_ls_cache" in TLS segment we perform a linear scan of local TLS memory */
- /* Probably, it might be better solution */
- do {
- void ***tls_mem = ((void**)__readgsqword(0x58))[_tls_index];
- void *val = _tsrm_ls_cache;
- size_t offset = 0;
- size_t size = (char*)&_tls_end - (char*)&_tls_start;
- while (offset < size) {
- if (*tls_mem == val) {
- tsrm_tls_offset = offset;
- break;
- }
- tls_mem++;
- offset += sizeof(void*);
- }
- if (offset >= size) {
- // TODO: error message ???
- return FAILURE;
- }
- } while(0);
- # elif ZEND_WIN32
- tsrm_tls_index = _tls_index * sizeof(void*);
- /* To find offset of "_tsrm_ls_cache" in TLS segment we perform a linear scan of local TLS memory */
- /* Probably, it might be better solution */
- do {
- void ***tls_mem = ((void***)__readfsdword(0x2c))[_tls_index];
- void *val = _tsrm_ls_cache;
- size_t offset = 0;
- size_t size = (char*)&_tls_end - (char*)&_tls_start;
- while (offset < size) {
- if (*tls_mem == val) {
- tsrm_tls_offset = offset;
- break;
- }
- tls_mem++;
- offset += sizeof(void*);
- }
- if (offset >= size) {
- // TODO: error message ???
- return FAILURE;
- }
- } while(0);
- # elif defined(__APPLE__) && defined(__x86_64__)
- tsrm_ls_cache_tcb_offset = tsrm_get_ls_cache_tcb_offset();
- if (tsrm_ls_cache_tcb_offset == 0) {
- size_t *ti;
- __asm__(
- "leaq __tsrm_ls_cache(%%rip),%0"
- : "=r" (ti));
- tsrm_tls_offset = ti[2];
- tsrm_tls_index = ti[1] * 8;
- }
- # elif defined(__GNUC__) && defined(__x86_64__)
- tsrm_ls_cache_tcb_offset = tsrm_get_ls_cache_tcb_offset();
- if (tsrm_ls_cache_tcb_offset == 0) {
- #if defined(__has_attribute) && __has_attribute(tls_model) && !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__MUSL__)
- size_t ret;
- asm ("movq _tsrm_ls_cache@gottpoff(%%rip),%0"
- : "=r" (ret));
- tsrm_ls_cache_tcb_offset = ret;
- #else
- size_t *ti;
- __asm__(
- "leaq _tsrm_ls_cache@tlsgd(%%rip), %0\n"
- : "=a" (ti));
- tsrm_tls_offset = ti[1];
- tsrm_tls_index = ti[0] * 16;
- #endif
- }
- # elif defined(__GNUC__) && defined(__i386__)
- tsrm_ls_cache_tcb_offset = tsrm_get_ls_cache_tcb_offset();
- if (tsrm_ls_cache_tcb_offset == 0) {
- #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__MUSL__)
- size_t ret;
- asm ("leal _tsrm_ls_cache@ntpoff,%0\n"
- : "=a" (ret));
- tsrm_ls_cache_tcb_offset = ret;
- #else
- size_t *ti, _ebx, _ecx, _edx;
- __asm__(
- "call 1f\n"
- ".subsection 1\n"
- "1:\tmovl (%%esp), %%ebx\n\t"
- "ret\n"
- ".previous\n\t"
- "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t"
- "leal _tsrm_ls_cache@tlsldm(%%ebx), %0\n\t"
- "call ___tls_get_addr@plt\n\t"
- "leal _tsrm_ls_cache@tlsldm(%%ebx), %0\n"
- : "=a" (ti), "=&b" (_ebx), "=&c" (_ecx), "=&d" (_edx));
- tsrm_tls_offset = ti[1];
- tsrm_tls_index = ti[0] * 8;
- #endif
- }
- # endif
- #endif
- memset(sp_adj, 0, sizeof(sp_adj));
- #ifdef HAVE_GDB
- sp_adj[SP_ADJ_RET] = sizeof(void*);
- |.if X64WIN
- || sp_adj[SP_ADJ_ASSIGN] = sp_adj[SP_ADJ_RET] + 0x28; // sub r4, 0x28
- |.elif X64
- || sp_adj[SP_ADJ_ASSIGN] = sp_adj[SP_ADJ_RET] + 8; // sub r4, 8
- |.else
- || sp_adj[SP_ADJ_ASSIGN] = sp_adj[SP_ADJ_RET] + 12; // sub r4, 12
- |.endif
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- zend_jit_set_sp_adj_vm(); // set sp_adj[SP_ADJ_VM]
- #ifndef ZEND_VM_HYBRID_JIT_RED_ZONE_SIZE
- || sp_adj[SP_ADJ_JIT] = sp_adj[SP_ADJ_VM] + HYBRID_SPAD; // sub r4, HYBRID_SPAD
- #else
- || sp_adj[SP_ADJ_JIT] = sp_adj[SP_ADJ_VM];
- #endif
- } else if (GCC_GLOBAL_REGS) {
- || sp_adj[SP_ADJ_JIT] = sp_adj[SP_ADJ_RET] + SPAD; // sub r4, SPAD
- } else {
- || sp_adj[SP_ADJ_JIT] = sp_adj[SP_ADJ_RET] + NR_SPAD; // sub r4, NR_SPAD
- }
- #endif
- return SUCCESS;
- }
- static ZEND_ATTRIBUTE_UNUSED int zend_jit_trap(dasm_State **Dst)
- {
- | int3
- return 1;
- }
- static int zend_jit_align_func(dasm_State **Dst)
- {
- reuse_ip = 0;
- delayed_call_chain = 0;
- last_valid_opline = NULL;
- use_last_vald_opline = 0;
- track_last_valid_opline = 0;
- jit_return_label = -1;
- |.align 16
- return 1;
- }
- static int zend_jit_prologue(dasm_State **Dst)
- {
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | SUB_HYBRID_SPAD
- } else if (GCC_GLOBAL_REGS) {
- | sub r4, SPAD // stack alignment
- } else {
- | sub r4, NR_SPAD // stack alignment
- | mov aword T2, FP // save FP
- | mov aword T3, RX // save IP
- | mov FP, FCARG1a
- }
- return 1;
- }
- static int zend_jit_label(dasm_State **Dst, unsigned int label)
- {
- |=>label:
- return 1;
- }
- static int zend_jit_save_call_chain(dasm_State **Dst, uint32_t call_level)
- {
- | // call->prev_execute_data = EX(call);
- if (call_level == 1) {
- | mov aword EX:RX->prev_execute_data, 0
- } else {
- | mov r0, EX->call
- | mov EX:RX->prev_execute_data, r0
- }
- | // EX(call) = call;
- | mov EX->call, RX
- delayed_call_chain = 0;
- return 1;
- }
- static int zend_jit_set_ip(dasm_State **Dst, const zend_op *opline)
- {
- if (last_valid_opline == opline) {
- zend_jit_use_last_valid_opline();
- } else if (GCC_GLOBAL_REGS && last_valid_opline) {
- zend_jit_use_last_valid_opline();
- | ADD_IP (opline - last_valid_opline) * sizeof(zend_op);
- } else {
- | LOAD_IP_ADDR opline
- }
- zend_jit_set_last_valid_opline(opline);
- return 1;
- }
- static int zend_jit_set_ip_ex(dasm_State **Dst, const zend_op *opline, bool set_ip_reg)
- {
- if (last_valid_opline == opline) {
- zend_jit_use_last_valid_opline();
- } else if (GCC_GLOBAL_REGS && last_valid_opline) {
- zend_jit_use_last_valid_opline();
- | ADD_IP (opline - last_valid_opline) * sizeof(zend_op);
- } else if (!GCC_GLOBAL_REGS && set_ip_reg) {
- | LOAD_ADDR RX, opline
- | mov aword EX->opline, RX
- } else {
- | LOAD_IP_ADDR opline
- }
- zend_jit_set_last_valid_opline(opline);
- return 1;
- }
- static int zend_jit_set_valid_ip(dasm_State **Dst, const zend_op *opline)
- {
- if (delayed_call_chain) {
- if (!zend_jit_save_call_chain(Dst, delayed_call_level)) {
- return 0;
- }
- }
- if (!zend_jit_set_ip(Dst, opline)) {
- return 0;
- }
- reuse_ip = 0;
- return 1;
- }
- static int zend_jit_check_timeout(dasm_State **Dst, const zend_op *opline, const void *exit_addr)
- {
- #if 0
- if (!zend_jit_set_valid_ip(Dst, opline)) {
- return 0;
- }
- | MEM_CMP_ZTS byte, executor_globals, vm_interrupt, 0, r0
- | jne ->interrupt_handler
- #else
- | MEM_CMP_ZTS byte, executor_globals, vm_interrupt, 0, r0
- if (exit_addr) {
- | jne &exit_addr
- } else if (last_valid_opline == opline) {
- || zend_jit_use_last_valid_opline();
- | jne ->interrupt_handler
- } else {
- | jne >1
- |.cold_code
- |1:
- | LOAD_IP_ADDR opline
- | jmp ->interrupt_handler
- |.code
- }
- #endif
- return 1;
- }
- static int zend_jit_trace_end_loop(dasm_State **Dst, int loop_label, const void *timeout_exit_addr)
- {
- if (timeout_exit_addr) {
- | MEM_CMP_ZTS byte, executor_globals, vm_interrupt, 0, r0
- | je =>loop_label
- | jmp &timeout_exit_addr
- } else {
- | jmp =>loop_label
- }
- return 1;
- }
- static int zend_jit_check_exception(dasm_State **Dst)
- {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | jne ->exception_handler
- return 1;
- }
- static int zend_jit_check_exception_undef_result(dasm_State **Dst, const zend_op *opline)
- {
- if (opline->result_type & (IS_TMP_VAR|IS_VAR)) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | jne ->exception_handler_undef
- return 1;
- }
- return zend_jit_check_exception(Dst);
- }
- static int zend_jit_trace_begin(dasm_State **Dst, uint32_t trace_num, zend_jit_trace_info *parent, uint32_t exit_num)
- {
- zend_regset regset = ZEND_REGSET_SCRATCH;
- #if ZTS
- if (1) {
- #else
- if ((sizeof(void*) == 8 && !IS_SIGNED_32BIT(&EG(jit_trace_num)))) {
- #endif
- /* assignment to EG(jit_trace_num) shouldn't clober CPU register used by deoptimizer */
- if (parent) {
- int i;
- int parent_vars_count = parent->exit_info[exit_num].stack_size;
- zend_jit_trace_stack *parent_stack =
- parent->stack_map +
- parent->exit_info[exit_num].stack_offset;
- for (i = 0; i < parent_vars_count; i++) {
- if (STACK_REG(parent_stack, i) != ZREG_NONE) {
- if (STACK_REG(parent_stack, i) < ZREG_NUM) {
- ZEND_REGSET_EXCL(regset, STACK_REG(parent_stack, i));
- } else if (STACK_REG(parent_stack, i) == ZREG_ZVAL_COPY_GPR0) {
- ZEND_REGSET_EXCL(regset, ZREG_R0);
- }
- }
- }
- }
- }
- if (parent && parent->exit_info[exit_num].flags & ZEND_JIT_EXIT_METHOD_CALL) {
- ZEND_REGSET_EXCL(regset, ZREG_R0);
- }
- current_trace_num = trace_num;
- | // EG(jit_trace_num) = trace_num;
- if (regset == ZEND_REGSET_EMPTY) {
- | push r0
- | MEM_STORE_ZTS dword, executor_globals, jit_trace_num, trace_num, r0
- | pop r0
- } else {
- zend_reg tmp = ZEND_REGSET_FIRST(regset);
- | MEM_STORE_ZTS dword, executor_globals, jit_trace_num, trace_num, Ra(tmp)
- (void)tmp;
- }
- return 1;
- }
- static int zend_jit_trace_end(dasm_State **Dst, zend_jit_trace_info *t)
- {
- |.cold_code
- |=>1: // end of the code
- |.code
- return 1;
- }
- /* This taken from LuaJIT. Thanks to Mike Pall. */
- static uint32_t _asm_x86_inslen(const uint8_t* p)
- {
- static const uint8_t map_op1[256] = {
- 0x92,0x92,0x92,0x92,0x52,0x45,0x51,0x51,0x92,0x92,0x92,0x92,0x52,0x45,0x51,0x20,
- 0x92,0x92,0x92,0x92,0x52,0x45,0x51,0x51,0x92,0x92,0x92,0x92,0x52,0x45,0x51,0x51,
- 0x92,0x92,0x92,0x92,0x52,0x45,0x10,0x51,0x92,0x92,0x92,0x92,0x52,0x45,0x10,0x51,
- 0x92,0x92,0x92,0x92,0x52,0x45,0x10,0x51,0x92,0x92,0x92,0x92,0x52,0x45,0x10,0x51,
- #if defined(__x86_64__) || defined(_M_X64)
- 0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,
- #else
- 0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,
- #endif
- 0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,
- 0x51,0x51,0x92,0x92,0x10,0x10,0x12,0x11,0x45,0x86,0x52,0x93,0x51,0x51,0x51,0x51,
- 0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,
- 0x93,0x86,0x93,0x93,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x92,
- 0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x51,0x47,0x51,0x51,0x51,0x51,0x51,
- #if defined(__x86_64__) || defined(_M_X64)
- 0x59,0x59,0x59,0x59,0x51,0x51,0x51,0x51,0x52,0x45,0x51,0x51,0x51,0x51,0x51,0x51,
- #else
- 0x55,0x55,0x55,0x55,0x51,0x51,0x51,0x51,0x52,0x45,0x51,0x51,0x51,0x51,0x51,0x51,
- #endif
- 0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x05,0x05,0x05,0x05,0x05,0x05,0x05,0x05,
- 0x93,0x93,0x53,0x51,0x70,0x71,0x93,0x86,0x54,0x51,0x53,0x51,0x51,0x52,0x51,0x51,
- 0x92,0x92,0x92,0x92,0x52,0x52,0x51,0x51,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x92,
- 0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x45,0x45,0x47,0x52,0x51,0x51,0x51,0x51,
- 0x10,0x51,0x10,0x10,0x51,0x51,0x63,0x66,0x51,0x51,0x51,0x51,0x51,0x51,0x92,0x92
- };
- static const uint8_t map_op2[256] = {
- 0x93,0x93,0x93,0x93,0x52,0x52,0x52,0x52,0x52,0x52,0x51,0x52,0x51,0x93,0x52,0x94,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x53,0x53,0x53,0x53,0x53,0x53,0x53,0x53,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x34,0x51,0x35,0x51,0x51,0x51,0x51,0x51,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x53,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x94,0x54,0x54,0x54,0x93,0x93,0x93,0x52,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x52,0x52,0x52,0x93,0x94,0x93,0x51,0x51,0x52,0x52,0x52,0x93,0x94,0x93,0x93,0x93,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x94,0x93,0x93,0x93,0x93,0x93,
- 0x93,0x93,0x94,0x93,0x94,0x94,0x94,0x93,0x52,0x52,0x52,0x52,0x52,0x52,0x52,0x52,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,
- 0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x93,0x52
- };
- uint32_t result = 0;
- uint32_t prefixes = 0;
- uint32_t x = map_op1[*p];
- for (;;) {
- switch (x >> 4) {
- case 0:
- return result + x + (prefixes & 4);
- case 1:
- prefixes |= x;
- x = map_op1[*++p];
- result++;
- break;
- case 2:
- x = map_op2[*++p];
- break;
- case 3:
- p++;
- goto mrm;
- case 4:
- result -= (prefixes & 2);
- /* fallthrough */
- case 5:
- return result + (x & 15);
- case 6: /* Group 3. */
- if (p[1] & 0x38) {
- x = 2;
- } else if ((prefixes & 2) && (x == 0x66)) {
- x = 4;
- }
- goto mrm;
- case 7: /* VEX c4/c5. */
- #if !defined(__x86_64__) && !defined(_M_X64)
- if (p[1] < 0xc0) {
- x = 2;
- goto mrm;
- }
- #endif
- if (x == 0x70) {
- x = *++p & 0x1f;
- result++;
- if (x >= 2) {
- p += 2;
- result += 2;
- goto mrm;
- }
- }
- p++;
- result++;
- x = map_op2[*++p];
- break;
- case 8:
- result -= (prefixes & 2);
- /* fallthrough */
- case 9:
- mrm:
- /* ModR/M and possibly SIB. */
- result += (x & 15);
- x = *++p;
- switch (x >> 6) {
- case 0:
- if ((x & 7) == 5) {
- return result + 4;
- }
- break;
- case 1:
- result++;
- break;
- case 2:
- result += 4;
- break;
- case 3:
- return result;
- }
- if ((x & 7) == 4) {
- result++;
- if (x < 0x40 && (p[1] & 7) == 5) {
- result += 4;
- }
- }
- return result;
- }
- }
- }
- typedef ZEND_SET_ALIGNED(1, uint16_t unaligned_uint16_t);
- typedef ZEND_SET_ALIGNED(1, int32_t unaligned_int32_t);
- static int zend_jit_patch(const void *code, size_t size, uint32_t jmp_table_size, const void *from_addr, const void *to_addr)
- {
- int ret = 0;
- uint8_t *p, *end;
- if (jmp_table_size) {
- const void **jmp_slot = (const void **)((char*)code + ZEND_MM_ALIGNED_SIZE_EX(size, sizeof(void*)));
- do {
- if (*jmp_slot == from_addr) {
- *jmp_slot = to_addr;
- ret++;
- }
- jmp_slot++;
- } while (--jmp_table_size);
- }
- p = (uint8_t*)code;
- end = p + size - 5;
- while (p < end) {
- if ((*(unaligned_uint16_t*)p & 0xf0ff) == 0x800f && p + *(unaligned_int32_t*)(p+2) == (uint8_t*)from_addr - 6) {
- *(unaligned_int32_t*)(p+2) = ((uint8_t*)to_addr - (p + 6));
- ret++;
- } else if (*p == 0xe9 && p + *(unaligned_int32_t*)(p+1) == (uint8_t*)from_addr - 5) {
- *(unaligned_int32_t*)(p+1) = ((uint8_t*)to_addr - (p + 5));
- ret++;
- }
- p += _asm_x86_inslen(p);
- }
- #ifdef HAVE_VALGRIND
- VALGRIND_DISCARD_TRANSLATIONS(code, size);
- #endif
- return ret;
- }
- static int zend_jit_link_side_trace(const void *code, size_t size, uint32_t jmp_table_size, uint32_t exit_num, const void *addr)
- {
- return zend_jit_patch(code, size, jmp_table_size, zend_jit_trace_get_exit_addr(exit_num), addr);
- }
- static int zend_jit_trace_link_to_root(dasm_State **Dst, zend_jit_trace_info *t, const void *timeout_exit_addr)
- {
- const void *link_addr;
- size_t prologue_size;
- /* Skip prologue. */
- // TODO: don't hardcode this ???
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- #ifdef ZEND_VM_HYBRID_JIT_RED_ZONE_SIZE
- prologue_size = 0;
- #elif defined(__x86_64__) || defined(_M_X64)
- // sub r4, HYBRID_SPAD
- prologue_size = 4;
- #else
- // sub r4, HYBRID_SPAD
- prologue_size = 3;
- #endif
- } else if (GCC_GLOBAL_REGS) {
- // sub r4, SPAD // stack alignment
- #if defined(__x86_64__) || defined(_M_X64)
- prologue_size = 4;
- #else
- prologue_size = 3;
- #endif
- } else {
- // sub r4, NR_SPAD // stack alignment
- // mov aword T2, FP // save FP
- // mov aword T3, RX // save IP
- // mov FP, FCARG1a
- #if defined(__x86_64__) || defined(_M_X64)
- prologue_size = 17;
- #else
- prologue_size = 13;
- #endif
- }
- link_addr = (const void*)((const char*)t->code_start + prologue_size);
- if (timeout_exit_addr) {
- /* Check timeout for links to LOOP */
- | MEM_CMP_ZTS byte, executor_globals, vm_interrupt, 0, r0
- | je &link_addr
- | jmp &timeout_exit_addr
- } else {
- | jmp &link_addr
- }
- return 1;
- }
- static int zend_jit_trace_return(dasm_State **Dst, bool original_handler, const zend_op *opline)
- {
- #if 0
- | jmp ->trace_escape
- #else
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- if (!original_handler) {
- | JMP_IP
- } else {
- | mov r0, EX->func
- | mov r0, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r0, aword [r0 + offsetof(zend_jit_op_array_trace_extension, offset)]
- | jmp aword [IP + r0]
- }
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- if (!original_handler) {
- | JMP_IP
- } else {
- | mov r0, EX->func
- | mov r0, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r0, aword [r0 + offsetof(zend_jit_op_array_trace_extension, offset)]
- | jmp aword [IP + r0]
- }
- } else {
- if (original_handler) {
- | mov FCARG1a, FP
- | mov r0, EX->func
- | mov r0, aword [r0 + offsetof(zend_op_array, reserved[zend_func_info_rid])]
- | mov r0, aword [r0 + offsetof(zend_jit_op_array_trace_extension, offset)]
- | call aword [IP + r0]
- }
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- if (!original_handler || !opline ||
- (opline->opcode != ZEND_RETURN
- && opline->opcode != ZEND_RETURN_BY_REF
- && opline->opcode != ZEND_GENERATOR_RETURN
- && opline->opcode != ZEND_GENERATOR_CREATE
- && opline->opcode != ZEND_YIELD
- && opline->opcode != ZEND_YIELD_FROM)) {
- | mov r0, 2 // ZEND_VM_LEAVE
- }
- | ret
- }
- #endif
- return 1;
- }
- static int zend_jit_type_guard(dasm_State **Dst, const zend_op *opline, uint32_t var, uint8_t type)
- {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_Z_TYPE FP + var, type, &exit_addr
- return 1;
- }
- static int zend_jit_scalar_type_guard(dasm_State **Dst, const zend_op *opline, uint32_t var)
- {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | cmp byte [FP+var+offsetof(zval, u1.v.type)], IS_STRING
- | jae &exit_addr
- return 1;
- }
- static int zend_jit_packed_guard(dasm_State **Dst, const zend_op *opline, uint32_t var, uint32_t op_info)
- {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_PACKED_GUARD);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | GET_ZVAL_LVAL ZREG_FCARG1, ZEND_ADDR_MEM_ZVAL(ZREG_FP, var)
- if (op_info & MAY_BE_ARRAY_PACKED) {
- | test dword [FCARG1a + offsetof(zend_array, u.flags)], HASH_FLAG_PACKED
- | jz &exit_addr
- } else {
- | test dword [FCARG1a + offsetof(zend_array, u.flags)], HASH_FLAG_PACKED
- | jnz &exit_addr
- }
- return 1;
- }
- static int zend_jit_trace_handler(dasm_State **Dst, const zend_op_array *op_array, const zend_op *opline, int may_throw, zend_jit_trace_rec *trace)
- {
- zend_jit_op_array_trace_extension *jit_extension =
- (zend_jit_op_array_trace_extension*)ZEND_FUNC_INFO(op_array);
- size_t offset = jit_extension->offset;
- const void *handler =
- (zend_vm_opcode_handler_t)ZEND_OP_TRACE_INFO(opline, offset)->call_handler;
- if (!zend_jit_set_valid_ip(Dst, opline)) {
- return 0;
- }
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, FP
- }
- | EXT_CALL handler, r0
- if (may_throw
- && opline->opcode != ZEND_RETURN
- && opline->opcode != ZEND_RETURN_BY_REF) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r1
- | jne ->exception_handler
- }
- while (trace->op != ZEND_JIT_TRACE_VM && trace->op != ZEND_JIT_TRACE_END) {
- trace++;
- }
- if (!GCC_GLOBAL_REGS
- && (trace->op != ZEND_JIT_TRACE_END || trace->stop != ZEND_JIT_TRACE_STOP_RETURN)) {
- if (opline->opcode == ZEND_RETURN ||
- opline->opcode == ZEND_RETURN_BY_REF ||
- opline->opcode == ZEND_DO_UCALL ||
- opline->opcode == ZEND_DO_FCALL_BY_NAME ||
- opline->opcode == ZEND_DO_FCALL ||
- opline->opcode == ZEND_GENERATOR_CREATE) {
- | MEM_LOAD_ZTS FP, aword, executor_globals, current_execute_data, r1
- }
- }
- if (zend_jit_trace_may_exit(op_array, opline)) {
- if (opline->opcode == ZEND_RETURN ||
- opline->opcode == ZEND_RETURN_BY_REF ||
- opline->opcode == ZEND_GENERATOR_CREATE) {
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- if (trace->op != ZEND_JIT_TRACE_END ||
- (trace->stop != ZEND_JIT_TRACE_STOP_RETURN &&
- trace->stop != ZEND_JIT_TRACE_STOP_INTERPRETER)) {
- /* this check may be handled by the following OPLINE guard or jmp [IP] */
- | cmp IP, zend_jit_halt_op
- | je ->trace_halt
- }
- } else if (GCC_GLOBAL_REGS) {
- | test IP, IP
- | je ->trace_halt
- } else {
- | test eax, eax
- | jl ->trace_halt
- }
- } else if (opline->opcode == ZEND_EXIT ||
- opline->opcode == ZEND_GENERATOR_RETURN ||
- opline->opcode == ZEND_YIELD ||
- opline->opcode == ZEND_YIELD_FROM) {
- | jmp ->trace_halt
- }
- if (trace->op != ZEND_JIT_TRACE_END ||
- (trace->stop != ZEND_JIT_TRACE_STOP_RETURN &&
- trace->stop != ZEND_JIT_TRACE_STOP_INTERPRETER)) {
- const zend_op *next_opline = trace->opline;
- const zend_op *exit_opline = NULL;
- uint32_t exit_point;
- const void *exit_addr;
- uint32_t old_info = 0;
- uint32_t old_res_info = 0;
- zend_jit_trace_stack *stack = JIT_G(current_frame)->stack;
- if (zend_is_smart_branch(opline)) {
- bool exit_if_true = 0;
- exit_opline = zend_jit_trace_get_exit_opline(trace, opline + 1, &exit_if_true);
- } else {
- switch (opline->opcode) {
- case ZEND_JMPZ:
- case ZEND_JMPNZ:
- case ZEND_JMPZ_EX:
- case ZEND_JMPNZ_EX:
- case ZEND_JMP_SET:
- case ZEND_COALESCE:
- case ZEND_JMP_NULL:
- case ZEND_FE_RESET_R:
- case ZEND_FE_RESET_RW:
- exit_opline = (trace->opline == opline + 1) ?
- OP_JMP_ADDR(opline, opline->op2) :
- opline + 1;
- break;
- case ZEND_JMPZNZ:
- exit_opline = (trace->opline == OP_JMP_ADDR(opline, opline->op2)) ?
- ZEND_OFFSET_TO_OPLINE(opline, opline->extended_value) :
- OP_JMP_ADDR(opline, opline->op2);
- break;
- case ZEND_FE_FETCH_R:
- case ZEND_FE_FETCH_RW:
- exit_opline = (trace->opline == opline + 1) ?
- ZEND_OFFSET_TO_OPLINE(opline, opline->extended_value) :
- opline + 1;
- break;
- }
- }
- switch (opline->opcode) {
- case ZEND_FE_FETCH_R:
- case ZEND_FE_FETCH_RW:
- if (opline->op2_type != IS_UNUSED) {
- old_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->op2.var));
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->op2.var), IS_UNKNOWN, 1);
- }
- break;
- }
- if (opline->result_type == IS_VAR || opline->result_type == IS_TMP_VAR) {
- old_res_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var));
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_UNKNOWN, 1);
- }
- exit_point = zend_jit_trace_get_exit_point(exit_opline, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (opline->result_type == IS_VAR || opline->result_type == IS_TMP_VAR) {
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var), old_res_info);
- }
- switch (opline->opcode) {
- case ZEND_FE_FETCH_R:
- case ZEND_FE_FETCH_RW:
- if (opline->op2_type != IS_UNUSED) {
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->op2.var), old_info);
- }
- break;
- }
- if (!exit_addr) {
- return 0;
- }
- | CMP_IP next_opline
- | jne &exit_addr
- }
- }
- zend_jit_set_last_valid_opline(trace->opline);
- return 1;
- }
- static int zend_jit_handler(dasm_State **Dst, const zend_op *opline, int may_throw)
- {
- const void *handler;
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- handler = zend_get_opcode_handler_func(opline);
- } else {
- handler = opline->handler;
- }
- if (!zend_jit_set_valid_ip(Dst, opline)) {
- return 0;
- }
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, FP
- }
- | EXT_CALL handler, r0
- if (may_throw) {
- zend_jit_check_exception(Dst);
- }
- /* Skip the following OP_DATA */
- switch (opline->opcode) {
- case ZEND_ASSIGN_DIM:
- case ZEND_ASSIGN_OBJ:
- case ZEND_ASSIGN_STATIC_PROP:
- case ZEND_ASSIGN_DIM_OP:
- case ZEND_ASSIGN_OBJ_OP:
- case ZEND_ASSIGN_STATIC_PROP_OP:
- case ZEND_ASSIGN_STATIC_PROP_REF:
- case ZEND_ASSIGN_OBJ_REF:
- zend_jit_set_last_valid_opline(opline + 2);
- break;
- default:
- zend_jit_set_last_valid_opline(opline + 1);
- break;
- }
- return 1;
- }
- static int zend_jit_tail_handler(dasm_State **Dst, const zend_op *opline)
- {
- if (!zend_jit_set_valid_ip(Dst, opline)) {
- return 0;
- }
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- if (opline->opcode == ZEND_DO_UCALL ||
- opline->opcode == ZEND_DO_FCALL_BY_NAME ||
- opline->opcode == ZEND_DO_FCALL ||
- opline->opcode == ZEND_RETURN) {
- /* Use inlined HYBRID VM handler */
- const void *handler = opline->handler;
- | ADD_HYBRID_SPAD
- | EXT_JMP handler, r0
- } else {
- const void *handler = zend_get_opcode_handler_func(opline);
- | EXT_CALL handler, r0
- | ADD_HYBRID_SPAD
- | JMP_IP
- }
- } else {
- const void *handler = opline->handler;
- if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- } else {
- | mov FCARG1a, FP
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- }
- | EXT_JMP handler, r0
- }
- zend_jit_reset_last_valid_opline();
- return 1;
- }
- static int zend_jit_trace_opline_guard(dasm_State **Dst, const zend_op *opline)
- {
- uint32_t exit_point = zend_jit_trace_get_exit_point(NULL, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | CMP_IP opline
- | jne &exit_addr
- zend_jit_set_last_valid_opline(opline);
- return 1;
- }
- static int zend_jit_jmp(dasm_State **Dst, unsigned int target_label)
- {
- | jmp =>target_label
- return 1;
- }
- static int zend_jit_cond_jmp(dasm_State **Dst, const zend_op *next_opline, unsigned int target_label)
- {
- | CMP_IP next_opline
- | jne =>target_label
- zend_jit_set_last_valid_opline(next_opline);
- return 1;
- }
- #ifdef CONTEXT_THREADED_JIT
- static int zend_jit_context_threaded_call(dasm_State **Dst, const zend_op *opline, unsigned int next_block)
- {
- if (!zend_jit_handler(Dst, opline, 1)) return 0;
- if (opline->opcode == ZEND_DO_UCALL) {
- | call ->context_threaded_call
- } else {
- const zend_op *next_opline = opline + 1;
- | CMP_IP next_opline
- | je =>next_block
- | call ->context_threaded_call
- }
- return 1;
- }
- #endif
- static int zend_jit_call(dasm_State **Dst, const zend_op *opline, unsigned int next_block)
- {
- #ifdef CONTEXT_THREADED_JIT
- return zend_jit_context_threaded_call(Dst, opline, next_block);
- #else
- return zend_jit_tail_handler(Dst, opline);
- #endif
- }
- static int zend_jit_spill_store(dasm_State **Dst, zend_jit_addr src, zend_jit_addr dst, uint32_t info, bool set_type)
- {
- ZEND_ASSERT(Z_MODE(src) == IS_REG);
- ZEND_ASSERT(Z_MODE(dst) == IS_MEM_ZVAL);
- if ((info & MAY_BE_ANY) == MAY_BE_LONG) {
- | SET_ZVAL_LVAL dst, Ra(Z_REG(src))
- if (set_type &&
- (Z_REG(dst) != ZREG_FP ||
- !JIT_G(current_frame) ||
- STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(Z_OFFSET(dst))) != IS_LONG)) {
- | SET_ZVAL_TYPE_INFO dst, IS_LONG
- }
- } else if ((info & MAY_BE_ANY) == MAY_BE_DOUBLE) {
- | DOUBLE_SET_ZVAL_DVAL dst, Z_REG(src)
- if (set_type &&
- (Z_REG(dst) != ZREG_FP ||
- !JIT_G(current_frame) ||
- STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(Z_OFFSET(dst))) != IS_DOUBLE)) {
- | SET_ZVAL_TYPE_INFO dst, IS_DOUBLE
- }
- } else {
- ZEND_UNREACHABLE();
- }
- return 1;
- }
- static int zend_jit_load_reg(dasm_State **Dst, zend_jit_addr src, zend_jit_addr dst, uint32_t info)
- {
- ZEND_ASSERT(Z_MODE(src) == IS_MEM_ZVAL);
- ZEND_ASSERT(Z_MODE(dst) == IS_REG);
- if ((info & MAY_BE_ANY) == MAY_BE_LONG) {
- | GET_ZVAL_LVAL Z_REG(dst), src
- } else if ((info & MAY_BE_ANY) == MAY_BE_DOUBLE) {
- | DOUBLE_GET_ZVAL_DVAL Z_REG(dst), src
- } else {
- ZEND_UNREACHABLE();
- }
- return 1;
- }
- static int zend_jit_store_var(dasm_State **Dst, uint32_t info, int var, zend_reg reg, bool set_type)
- {
- zend_jit_addr src = ZEND_ADDR_REG(reg);
- zend_jit_addr dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, EX_NUM_TO_VAR(var));
- return zend_jit_spill_store(Dst, src, dst, info, set_type);
- }
- static int zend_jit_store_var_type(dasm_State **Dst, int var, uint32_t type)
- {
- zend_jit_addr dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, EX_NUM_TO_VAR(var));
- | SET_ZVAL_TYPE_INFO dst, type
- return 1;
- }
- static int zend_jit_store_var_if_necessary(dasm_State **Dst, int var, zend_jit_addr src, uint32_t info)
- {
- if (Z_MODE(src) == IS_REG && Z_STORE(src)) {
- zend_jit_addr dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, var);
- return zend_jit_spill_store(Dst, src, dst, info, 1);
- }
- return 1;
- }
- static int zend_jit_store_var_if_necessary_ex(dasm_State **Dst, int var, zend_jit_addr src, uint32_t info, zend_jit_addr old, uint32_t old_info)
- {
- if (Z_MODE(src) == IS_REG && Z_STORE(src)) {
- zend_jit_addr dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, var);
- bool set_type = 1;
- if ((info & (MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)) ==
- (old_info & (MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF))) {
- if (Z_MODE(old) != IS_REG || Z_LOAD(old) || Z_STORE(old)) {
- set_type = 0;
- }
- }
- return zend_jit_spill_store(Dst, src, dst, info, set_type);
- }
- return 1;
- }
- static int zend_jit_load_var(dasm_State **Dst, uint32_t info, int var, zend_reg reg)
- {
- zend_jit_addr src = ZEND_ADDR_MEM_ZVAL(ZREG_FP, EX_NUM_TO_VAR(var));
- zend_jit_addr dst = ZEND_ADDR_REG(reg);
- return zend_jit_load_reg(Dst, src, dst, info);
- }
- static int zend_jit_invalidate_var_if_necessary(dasm_State **Dst, zend_uchar op_type, zend_jit_addr addr, znode_op op)
- {
- if ((op_type & (IS_TMP_VAR|IS_VAR)) && Z_MODE(addr) == IS_REG && !Z_LOAD(addr) && !Z_STORE(addr)) {
- zend_jit_addr dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, op.var);
- | SET_ZVAL_TYPE_INFO dst, IS_UNDEF
- }
- return 1;
- }
- static int zend_jit_update_regs(dasm_State **Dst, uint32_t var, zend_jit_addr src, zend_jit_addr dst, uint32_t info)
- {
- if (!zend_jit_same_addr(src, dst)) {
- if (Z_MODE(src) == IS_REG) {
- if (Z_MODE(dst) == IS_REG) {
- if ((info & MAY_BE_ANY) == MAY_BE_LONG) {
- | mov Ra(Z_REG(dst)), Ra(Z_REG(src))
- } else if ((info & MAY_BE_ANY) == MAY_BE_DOUBLE) {
- | SSE_AVX_INS movaps, vmovaps, xmm(Z_REG(dst)-ZREG_XMM0), xmm(Z_REG(src)-ZREG_XMM0)
- } else {
- ZEND_UNREACHABLE();
- }
- if (!Z_LOAD(src) && !Z_STORE(src) && Z_STORE(dst)) {
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, var);
- if (!zend_jit_spill_store(Dst, dst, var_addr, info,
- JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- JIT_G(current_frame) == NULL ||
- STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(var)) == IS_UNKNOWN ||
- (1 << STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(var))) != (info & MAY_BE_ANY)
- )) {
- return 0;
- }
- }
- } else if (Z_MODE(dst) == IS_MEM_ZVAL) {
- if (!Z_LOAD(src) && !Z_STORE(src)) {
- if (!zend_jit_spill_store(Dst, src, dst, info,
- JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- JIT_G(current_frame) == NULL ||
- STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(var)) == IS_UNKNOWN ||
- (1 << STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(var))) != (info & MAY_BE_ANY)
- )) {
- return 0;
- }
- }
- } else {
- ZEND_UNREACHABLE();
- }
- } else if (Z_MODE(src) == IS_MEM_ZVAL) {
- if (Z_MODE(dst) == IS_REG) {
- if (!zend_jit_load_reg(Dst, src, dst, info)) {
- return 0;
- }
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- ZEND_UNREACHABLE();
- }
- } else if (Z_MODE(dst) == IS_REG && Z_STORE(dst)) {
- dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, var);
- if (!zend_jit_spill_store(Dst, src, dst, info,
- JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- JIT_G(current_frame) == NULL ||
- STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(var)) == IS_UNKNOWN ||
- (1 << STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(var))) != (info & MAY_BE_ANY)
- )) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_escape_if_undef_r0(dasm_State **Dst, int var, uint32_t flags, const zend_op *opline)
- {
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- | IF_NOT_ZVAL_TYPE val_addr, IS_UNDEF, >1
- if (flags & ZEND_JIT_EXIT_RESTORE_CALL) {
- if (!zend_jit_save_call_chain(Dst, -1)) {
- return 0;
- }
- }
- ZEND_ASSERT(opline);
- if ((opline-1)->opcode != ZEND_FETCH_CONSTANT
- && (opline-1)->opcode != ZEND_FETCH_LIST_R
- && ((opline-1)->op1_type & (IS_VAR|IS_TMP_VAR))
- && !(flags & ZEND_JIT_EXIT_FREE_OP1)) {
- val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, (opline-1)->op1.var);
- | IF_NOT_ZVAL_REFCOUNTED val_addr, >2
- | GET_ZVAL_PTR r0, val_addr
- | GC_ADDREF r0
- |2:
- }
- | LOAD_IP_ADDR (opline - 1)
- | jmp ->trace_escape
- |1:
- return 1;
- }
- static int zend_jit_store_const(dasm_State **Dst, int var, zend_reg reg)
- {
- zend_jit_addr dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, EX_NUM_TO_VAR(var));
- if (reg == ZREG_LONG_MIN_MINUS_1) {
- |.if X64
- | SET_ZVAL_LVAL dst, 0x00000000
- | SET_ZVAL_W2 dst, 0xc3e00000
- |.else
- | SET_ZVAL_LVAL dst, 0x00200000
- | SET_ZVAL_W2 dst, 0xc1e00000
- |.endif
- | SET_ZVAL_TYPE_INFO dst, IS_DOUBLE
- } else if (reg == ZREG_LONG_MIN) {
- |.if X64
- | SET_ZVAL_LVAL dst, 0x00000000
- | SET_ZVAL_W2 dst, 0x80000000
- |.else
- | SET_ZVAL_LVAL dst, ZEND_LONG_MIN
- |.endif
- | SET_ZVAL_TYPE_INFO dst, IS_LONG
- } else if (reg == ZREG_LONG_MAX) {
- |.if X64
- | SET_ZVAL_LVAL dst, 0xffffffff
- | SET_ZVAL_W2 dst, 0x7fffffff
- |.else
- | SET_ZVAL_LVAL dst, ZEND_LONG_MAX
- |.endif
- | SET_ZVAL_TYPE_INFO dst, IS_LONG
- } else if (reg == ZREG_LONG_MAX_PLUS_1) {
- |.if X64
- | SET_ZVAL_LVAL dst, 0
- | SET_ZVAL_W2 dst, 0x43e00000
- |.else
- | SET_ZVAL_LVAL dst, 0
- | SET_ZVAL_W2 dst, 0x41e00000
- |.endif
- | SET_ZVAL_TYPE_INFO dst, IS_DOUBLE
- } else if (reg == ZREG_NULL) {
- | SET_ZVAL_TYPE_INFO dst, IS_NULL
- } else if (reg == ZREG_ZVAL_TRY_ADDREF) {
- | IF_NOT_ZVAL_REFCOUNTED dst, >1
- | GET_ZVAL_PTR r1, dst
- | GC_ADDREF r1
- |1:
- } else if (reg == ZREG_ZVAL_COPY_GPR0) {
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- | ZVAL_COPY_VALUE dst, -1, val_addr, -1, ZREG_R1, ZREG_R2
- | TRY_ADDREF -1, ch, r2
- } else {
- ZEND_UNREACHABLE();
- }
- return 1;
- }
- static int zend_jit_free_trampoline(dasm_State **Dst)
- {
- | /// if (UNEXPECTED(func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE))
- | test dword [r0 + offsetof(zend_function, common.fn_flags)], ZEND_ACC_CALL_VIA_TRAMPOLINE
- | jz >1
- | mov FCARG1a, r0
- | EXT_CALL zend_jit_free_trampoline_helper, r0
- |1:
- return 1;
- }
- static int zend_jit_inc_dec(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, uint32_t op1_def_info, zend_jit_addr op1_def_addr, uint32_t res_use_info, uint32_t res_info, zend_jit_addr res_addr, int may_overflow, int may_throw)
- {
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY)-MAY_BE_LONG)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >2
- }
- if (opline->opcode == ZEND_POST_INC || opline->opcode == ZEND_POST_DEC) {
- | ZVAL_COPY_VALUE res_addr, res_use_info, op1_addr, MAY_BE_LONG, ZREG_R0, ZREG_R1
- }
- if (!zend_jit_update_regs(Dst, opline->op1.var, op1_addr, op1_def_addr, MAY_BE_LONG)) {
- return 0;
- }
- if (opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_POST_INC) {
- | LONG_OP_WITH_32BIT_CONST add, op1_def_addr, Z_L(1)
- } else {
- | LONG_OP_WITH_32BIT_CONST sub, op1_def_addr, Z_L(1)
- }
- if (may_overflow &&
- (((op1_def_info & MAY_BE_GUARD) && (op1_def_info & MAY_BE_LONG)) ||
- ((opline->result_type != IS_UNUSED && (res_info & MAY_BE_GUARD) && (res_info & MAY_BE_LONG))))) {
- int32_t exit_point;
- const void *exit_addr;
- zend_jit_trace_stack *stack;
- uint32_t old_op1_info, old_res_info = 0;
- stack = JIT_G(current_frame)->stack;
- old_op1_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->op1.var));
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->op1.var), IS_DOUBLE, 0);
- if (opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_POST_INC) {
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->op1.var), ZREG_LONG_MAX_PLUS_1);
- } else {
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->op1.var), ZREG_LONG_MIN_MINUS_1);
- }
- if (opline->result_type != IS_UNUSED) {
- old_res_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var));
- if (opline->opcode == ZEND_PRE_INC) {
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_DOUBLE, 0);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_LONG_MAX_PLUS_1);
- } else if (opline->opcode == ZEND_PRE_DEC) {
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_DOUBLE, 0);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_LONG_MIN_MINUS_1);
- } else if (opline->opcode == ZEND_POST_INC) {
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_LONG, 0);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_LONG_MAX);
- } else if (opline->opcode == ZEND_POST_DEC) {
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_LONG, 0);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_LONG_MIN);
- }
- }
- exit_point = zend_jit_trace_get_exit_point(opline + 1, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | jo &exit_addr
- if ((opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_PRE_DEC) &&
- opline->result_type != IS_UNUSED) {
- | ZVAL_COPY_VALUE res_addr, res_use_info, op1_def_addr, MAY_BE_LONG, ZREG_R0, ZREG_R1
- }
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->op1.var), old_op1_info);
- if (opline->result_type != IS_UNUSED) {
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var), old_res_info);
- }
- } else if (may_overflow) {
- | jo >1
- if ((opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_PRE_DEC) &&
- opline->result_type != IS_UNUSED) {
- | ZVAL_COPY_VALUE res_addr, res_use_info, op1_def_addr, MAY_BE_LONG, ZREG_R0, ZREG_R1
- }
- |.cold_code
- |1:
- if (opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_POST_INC) {
- |.if X64
- | mov64 rax, 0x43e0000000000000
- | SET_ZVAL_LVAL op1_def_addr, rax
- |.else
- | SET_ZVAL_LVAL op1_def_addr, 0
- | SET_ZVAL_W2 op1_def_addr, 0x41e00000
- |.endif
- } else {
- |.if X64
- | mov64 rax, 0xc3e0000000000000
- | SET_ZVAL_LVAL op1_def_addr, rax
- |.else
- | SET_ZVAL_LVAL op1_def_addr, 0x00200000
- | SET_ZVAL_W2 op1_def_addr, 0xc1e00000
- |.endif
- }
- if (Z_MODE(op1_def_addr) == IS_MEM_ZVAL) {
- | SET_ZVAL_TYPE_INFO op1_def_addr, IS_DOUBLE
- }
- if ((opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_PRE_DEC) &&
- opline->result_type != IS_UNUSED) {
- | ZVAL_COPY_VALUE res_addr, res_use_info, op1_def_addr, MAY_BE_DOUBLE, ZREG_R0, ZREG_R1
- }
- | jmp >3
- |.code
- } else {
- if ((opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_PRE_DEC) &&
- opline->result_type != IS_UNUSED) {
- | ZVAL_COPY_VALUE res_addr, res_use_info, op1_def_addr, MAY_BE_LONG, ZREG_R0, ZREG_R1
- }
- }
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG)) {
- |.cold_code
- |2:
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | SET_EX_OPLINE opline, r0
- if (op1_info & MAY_BE_UNDEF) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >2
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_NULL
- op1_info |= MAY_BE_NULL;
- }
- |2:
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | // ZVAL_DEREF(var_ptr);
- if (op1_info & MAY_BE_REF) {
- | IF_NOT_Z_TYPE, FCARG1a, IS_REFERENCE, >2
- | GET_Z_PTR FCARG1a, FCARG1a
- | cmp aword [FCARG1a + offsetof(zend_reference, sources.ptr)], 0
- | jz >1
- if (RETURN_VALUE_USED(opline)) {
- | LOAD_ZVAL_ADDR FCARG2a, res_addr
- } else {
- | xor FCARG2a, FCARG2a
- }
- if (opline->opcode == ZEND_PRE_INC) {
- | EXT_CALL zend_jit_pre_inc_typed_ref, r0
- } else if (opline->opcode == ZEND_PRE_DEC) {
- | EXT_CALL zend_jit_pre_dec_typed_ref, r0
- } else if (opline->opcode == ZEND_POST_INC) {
- | EXT_CALL zend_jit_post_inc_typed_ref, r0
- } else if (opline->opcode == ZEND_POST_DEC) {
- | EXT_CALL zend_jit_post_dec_typed_ref, r0
- } else {
- ZEND_UNREACHABLE();
- }
- zend_jit_check_exception(Dst);
- | jmp >3
- |1:
- | lea FCARG1a, [FCARG1a + offsetof(zend_reference, val)]
- |2:
- }
- if (opline->opcode == ZEND_POST_INC || opline->opcode == ZEND_POST_DEC) {
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- | ZVAL_COPY_VALUE res_addr, res_use_info, val_addr, op1_info, ZREG_R0, ZREG_R2
- | TRY_ADDREF op1_info, ah, r2
- }
- if (opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_POST_INC) {
- if (opline->opcode == ZEND_PRE_INC && opline->result_type != IS_UNUSED) {
- | LOAD_ZVAL_ADDR FCARG2a, res_addr
- | EXT_CALL zend_jit_pre_inc, r0
- } else {
- | EXT_CALL increment_function, r0
- }
- } else {
- if (opline->opcode == ZEND_PRE_DEC && opline->result_type != IS_UNUSED) {
- | LOAD_ZVAL_ADDR FCARG2a, res_addr
- | EXT_CALL zend_jit_pre_dec, r0
- } else {
- | EXT_CALL decrement_function, r0
- }
- }
- if (may_throw) {
- zend_jit_check_exception(Dst);
- }
- } else {
- zend_reg tmp_reg;
- if (opline->opcode == ZEND_POST_INC || opline->opcode == ZEND_POST_DEC) {
- | ZVAL_COPY_VALUE res_addr, res_use_info, op1_addr, MAY_BE_DOUBLE, ZREG_R0, ZREG_R2
- }
- if (Z_MODE(op1_def_addr) == IS_REG) {
- tmp_reg = Z_REG(op1_def_addr);
- } else if (Z_MODE(op1_addr) == IS_REG && Z_LAST_USE(op1_addr)) {
- tmp_reg = Z_REG(op1_addr);
- } else {
- tmp_reg = ZREG_XMM0;
- }
- | DOUBLE_GET_ZVAL_DVAL tmp_reg, op1_addr
- if (opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_POST_INC) {
- if (CAN_USE_AVX()) {
- | vaddsd xmm(tmp_reg-ZREG_XMM0), xmm(tmp_reg-ZREG_XMM0), qword [->one]
- } else {
- | addsd xmm(tmp_reg-ZREG_XMM0), qword [->one]
- }
- } else {
- if (CAN_USE_AVX()) {
- | vsubsd xmm(tmp_reg-ZREG_XMM0), xmm(tmp_reg-ZREG_XMM0), qword [->one]
- } else {
- | subsd xmm(tmp_reg-ZREG_XMM0), qword [->one]
- }
- }
- | DOUBLE_SET_ZVAL_DVAL op1_def_addr, tmp_reg
- if ((opline->opcode == ZEND_PRE_INC || opline->opcode == ZEND_PRE_DEC) &&
- opline->result_type != IS_UNUSED) {
- | ZVAL_COPY_VALUE res_addr, res_use_info, op1_addr, op1_def_info, ZREG_R0, ZREG_R1
- | TRY_ADDREF op1_def_info, ah, r1
- }
- }
- | jmp >3
- |.code
- }
- |3:
- if (!zend_jit_store_var_if_necessary_ex(Dst, opline->op1.var, op1_def_addr, op1_def_info, op1_addr, op1_info)) {
- return 0;
- }
- if (opline->result_type != IS_UNUSED) {
- if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, res_info)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_opline_uses_reg(const zend_op *opline, int8_t reg)
- {
- if ((opline+1)->opcode == ZEND_OP_DATA
- && ((opline+1)->op1_type & (IS_VAR|IS_TMP_VAR|IS_CV))
- && JIT_G(current_frame)->stack[EX_VAR_TO_NUM((opline+1)->op1.var)].reg == reg) {
- return 1;
- }
- return
- ((opline->result_type & (IS_VAR|IS_TMP_VAR|IS_CV)) &&
- JIT_G(current_frame)->stack[EX_VAR_TO_NUM(opline->result.var)].reg == reg) ||
- ((opline->op1_type & (IS_VAR|IS_TMP_VAR|IS_CV)) &&
- JIT_G(current_frame)->stack[EX_VAR_TO_NUM(opline->op1.var)].reg == reg) ||
- ((opline->op2_type & (IS_VAR|IS_TMP_VAR|IS_CV)) &&
- JIT_G(current_frame)->stack[EX_VAR_TO_NUM(opline->op2.var)].reg == reg);
- }
- static int zend_jit_math_long_long(dasm_State **Dst,
- const zend_op *opline,
- zend_uchar opcode,
- zend_jit_addr op1_addr,
- zend_jit_addr op2_addr,
- zend_jit_addr res_addr,
- uint32_t res_info,
- uint32_t res_use_info,
- int may_overflow)
- {
- bool same_ops = zend_jit_same_addr(op1_addr, op2_addr);
- zend_reg result_reg;
- zend_reg tmp_reg = ZREG_R0;
- if (Z_MODE(res_addr) == IS_REG && (res_info & MAY_BE_LONG)) {
- if (may_overflow && (res_info & MAY_BE_GUARD)
- && JIT_G(current_frame)
- && zend_jit_opline_uses_reg(opline, Z_REG(res_addr))) {
- result_reg = ZREG_R0;
- } else {
- result_reg = Z_REG(res_addr);
- }
- } else if (Z_MODE(op1_addr) == IS_REG && Z_LAST_USE(op1_addr) && !may_overflow) {
- result_reg = Z_REG(op1_addr);
- } else if (Z_REG(res_addr) != ZREG_R0) {
- result_reg = ZREG_R0;
- } else {
- /* ASSIGN_DIM_OP */
- result_reg = ZREG_FCARG1;
- tmp_reg = ZREG_FCARG1;
- }
- if (opcode == ZEND_MUL &&
- Z_MODE(op2_addr) == IS_CONST_ZVAL &&
- Z_LVAL_P(Z_ZV(op2_addr)) == 2) {
- if (Z_MODE(op1_addr) == IS_REG && !may_overflow) {
- | lea Ra(result_reg), [Ra(Z_REG(op1_addr))+Ra(Z_REG(op1_addr))]
- } else {
- | GET_ZVAL_LVAL result_reg, op1_addr
- | add Ra(result_reg), Ra(result_reg)
- }
- } else if (opcode == ZEND_MUL &&
- Z_MODE(op2_addr) == IS_CONST_ZVAL &&
- !may_overflow &&
- Z_LVAL_P(Z_ZV(op2_addr)) > 0 &&
- zend_long_is_power_of_two(Z_LVAL_P(Z_ZV(op2_addr)))) {
- | GET_ZVAL_LVAL result_reg, op1_addr
- | shl Ra(result_reg), zend_long_floor_log2(Z_LVAL_P(Z_ZV(op2_addr)))
- } else if (opcode == ZEND_MUL &&
- Z_MODE(op1_addr) == IS_CONST_ZVAL &&
- Z_LVAL_P(Z_ZV(op1_addr)) == 2) {
- if (Z_MODE(op2_addr) == IS_REG && !may_overflow) {
- | lea Ra(result_reg), [Ra(Z_REG(op2_addr))+Ra(Z_REG(op2_addr))]
- } else {
- | GET_ZVAL_LVAL result_reg, op2_addr
- | add Ra(result_reg), Ra(result_reg)
- }
- } else if (opcode == ZEND_MUL &&
- Z_MODE(op1_addr) == IS_CONST_ZVAL &&
- !may_overflow &&
- Z_LVAL_P(Z_ZV(op1_addr)) > 0 &&
- zend_long_is_power_of_two(Z_LVAL_P(Z_ZV(op1_addr)))) {
- | GET_ZVAL_LVAL result_reg, op2_addr
- | shl Ra(result_reg), zend_long_floor_log2(Z_LVAL_P(Z_ZV(op1_addr)))
- } else if (opcode == ZEND_DIV &&
- (Z_MODE(op2_addr) == IS_CONST_ZVAL &&
- zend_long_is_power_of_two(Z_LVAL_P(Z_ZV(op2_addr))))) {
- | GET_ZVAL_LVAL result_reg, op1_addr
- | shr Ra(result_reg), zend_long_floor_log2(Z_LVAL_P(Z_ZV(op2_addr)))
- } else if (opcode == ZEND_ADD &&
- !may_overflow &&
- Z_MODE(op1_addr) == IS_REG &&
- Z_MODE(op2_addr) == IS_CONST_ZVAL &&
- IS_SIGNED_32BIT(Z_LVAL_P(Z_ZV(op2_addr)))) {
- | lea Ra(result_reg), [Ra(Z_REG(op1_addr))+Z_LVAL_P(Z_ZV(op2_addr))]
- } else if (opcode == ZEND_ADD &&
- !may_overflow &&
- Z_MODE(op2_addr) == IS_REG &&
- Z_MODE(op1_addr) == IS_CONST_ZVAL &&
- IS_SIGNED_32BIT(Z_LVAL_P(Z_ZV(op1_addr)))) {
- | lea Ra(result_reg), [Ra(Z_REG(op2_addr))+Z_LVAL_P(Z_ZV(op1_addr))]
- } else if (opcode == ZEND_SUB &&
- !may_overflow &&
- Z_MODE(op1_addr) == IS_REG &&
- Z_MODE(op2_addr) == IS_CONST_ZVAL &&
- IS_SIGNED_32BIT(-Z_LVAL_P(Z_ZV(op2_addr)))) {
- | lea Ra(result_reg), [Ra(Z_REG(op1_addr))-Z_LVAL_P(Z_ZV(op2_addr))]
- } else {
- | GET_ZVAL_LVAL result_reg, op1_addr
- if ((opcode == ZEND_ADD || opcode == ZEND_SUB)
- && Z_MODE(op2_addr) == IS_CONST_ZVAL
- && Z_LVAL_P(Z_ZV(op2_addr)) == 0) {
- /* +/- 0 */
- may_overflow = 0;
- } else if (same_ops && opcode != ZEND_DIV) {
- | LONG_MATH_REG opcode, Ra(result_reg), Ra(result_reg)
- } else {
- zend_reg tmp_reg;
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- tmp_reg = ZREG_R1;
- } else if (result_reg != ZREG_R0) {
- tmp_reg = ZREG_R0;
- } else {
- tmp_reg = ZREG_R1;
- }
- | LONG_MATH opcode, result_reg, op2_addr, tmp_reg
- (void)tmp_reg;
- }
- }
- if (may_overflow) {
- if (res_info & MAY_BE_GUARD) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- if ((res_info & MAY_BE_ANY) == MAY_BE_LONG) {
- | jo &exit_addr
- if (Z_MODE(res_addr) == IS_REG && result_reg != Z_REG(res_addr)) {
- | mov Ra(Z_REG(res_addr)), Ra(result_reg)
- }
- } else if ((res_info & MAY_BE_ANY) == MAY_BE_DOUBLE) {
- | jno &exit_addr
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- if (res_info & MAY_BE_LONG) {
- | jo >1
- } else {
- | jno >1
- }
- }
- }
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && (res_info & MAY_BE_LONG)) {
- | SET_ZVAL_LVAL res_addr, Ra(result_reg)
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != Z_REG(res_addr) || Z_OFFSET(op1_addr) != Z_OFFSET(res_addr)) {
- if ((res_use_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF|MAY_BE_GUARD)) != MAY_BE_LONG) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- }
- }
- }
- if (may_overflow && (!(res_info & MAY_BE_GUARD) || (res_info & MAY_BE_ANY) == MAY_BE_DOUBLE)) {
- zend_reg tmp_reg1 = ZREG_XMM0;
- zend_reg tmp_reg2 = ZREG_XMM1;
- if (res_info & MAY_BE_LONG) {
- |.cold_code
- |1:
- }
- do {
- if ((sizeof(void*) == 8 || Z_MODE(res_addr) != IS_REG) &&
- ((Z_MODE(op1_addr) == IS_CONST_ZVAL && Z_LVAL_P(Z_ZV(op1_addr)) == 1) ||
- (Z_MODE(op2_addr) == IS_CONST_ZVAL && Z_LVAL_P(Z_ZV(op2_addr)) == 1))) {
- if (opcode == ZEND_ADD) {
- |.if X64
- | mov64 Ra(tmp_reg), 0x43e0000000000000
- if (Z_MODE(res_addr) == IS_REG) {
- | movd xmm(Z_REG(res_addr)-ZREG_XMM0), Ra(tmp_reg)
- } else {
- | SET_ZVAL_LVAL res_addr, Ra(tmp_reg)
- }
- |.else
- | SET_ZVAL_LVAL res_addr, 0
- | SET_ZVAL_W2 res_addr, 0x41e00000
- |.endif
- break;
- } else if (opcode == ZEND_SUB) {
- |.if X64
- | mov64 Ra(tmp_reg), 0xc3e0000000000000
- if (Z_MODE(res_addr) == IS_REG) {
- | movd xmm(Z_REG(res_addr)-ZREG_XMM0), Ra(tmp_reg)
- } else {
- | SET_ZVAL_LVAL res_addr, Ra(tmp_reg)
- }
- |.else
- | SET_ZVAL_LVAL res_addr, 0x00200000
- | SET_ZVAL_W2 res_addr, 0xc1e00000
- |.endif
- break;
- }
- }
- | DOUBLE_GET_ZVAL_LVAL tmp_reg1, op1_addr, tmp_reg
- | DOUBLE_GET_ZVAL_LVAL tmp_reg2, op2_addr, tmp_reg
- if (CAN_USE_AVX()) {
- | AVX_MATH_REG opcode, tmp_reg1, tmp_reg1, tmp_reg2
- } else {
- | SSE_MATH_REG opcode, tmp_reg1, tmp_reg2
- }
- | DOUBLE_SET_ZVAL_DVAL res_addr, tmp_reg1
- } while (0);
- if (Z_MODE(res_addr) == IS_MEM_ZVAL
- && (res_use_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF|MAY_BE_GUARD)) != MAY_BE_DOUBLE) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- if (res_info & MAY_BE_LONG) {
- | jmp >2
- |.code
- }
- |2:
- }
- return 1;
- }
- static int zend_jit_math_long_double(dasm_State **Dst,
- zend_uchar opcode,
- zend_jit_addr op1_addr,
- zend_jit_addr op2_addr,
- zend_jit_addr res_addr,
- uint32_t res_use_info)
- {
- zend_reg result_reg =
- (Z_MODE(res_addr) == IS_REG) ? Z_REG(res_addr) : ZREG_XMM0;
- zend_reg tmp_reg;
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- /* ASSIGN_DIM_OP */
- tmp_reg = ZREG_R1;
- } else {
- tmp_reg = ZREG_R0;
- }
- | DOUBLE_GET_ZVAL_LVAL result_reg, op1_addr, tmp_reg
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- /* ASSIGN_DIM_OP */
- if (CAN_USE_AVX()) {
- | AVX_MATH opcode, result_reg, result_reg, op2_addr, r1
- } else {
- | SSE_MATH opcode, result_reg, op2_addr, r1
- }
- } else {
- if (CAN_USE_AVX()) {
- | AVX_MATH opcode, result_reg, result_reg, op2_addr, r0
- } else {
- | SSE_MATH opcode, result_reg, op2_addr, r0
- }
- }
- | DOUBLE_SET_ZVAL_DVAL res_addr, result_reg
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- if ((res_use_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF|MAY_BE_GUARD)) != MAY_BE_DOUBLE) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- }
- return 1;
- }
- static int zend_jit_math_double_long(dasm_State **Dst,
- zend_uchar opcode,
- zend_jit_addr op1_addr,
- zend_jit_addr op2_addr,
- zend_jit_addr res_addr,
- uint32_t res_use_info)
- {
- zend_reg result_reg, tmp_reg_gp;
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- /* ASSIGN_DIM_OP */
- tmp_reg_gp = ZREG_R1;
- } else {
- tmp_reg_gp = ZREG_R0;
- }
- if (zend_is_commutative(opcode)
- && (Z_MODE(res_addr) != IS_REG || Z_MODE(op1_addr) != IS_REG || Z_REG(res_addr) != Z_REG(op1_addr))) {
- if (Z_MODE(res_addr) == IS_REG) {
- result_reg = Z_REG(res_addr);
- } else {
- result_reg = ZREG_XMM0;
- }
- | DOUBLE_GET_ZVAL_LVAL result_reg, op2_addr, tmp_reg_gp
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- /* ASSIGN_DIM_OP */
- if (CAN_USE_AVX()) {
- | AVX_MATH opcode, result_reg, result_reg, op1_addr, r1
- } else {
- | SSE_MATH opcode, result_reg, op1_addr, r1
- }
- } else {
- if (CAN_USE_AVX()) {
- | AVX_MATH opcode, result_reg, result_reg, op1_addr, r0
- } else {
- | SSE_MATH opcode, result_reg, op1_addr, r0
- }
- }
- } else {
- zend_reg tmp_reg;
- if (Z_MODE(res_addr) == IS_REG) {
- result_reg = Z_REG(res_addr);
- tmp_reg = (result_reg == ZREG_XMM0) ? ZREG_XMM1 : ZREG_XMM0;
- } else if (Z_MODE(op1_addr) == IS_REG && Z_LAST_USE(op1_addr)) {
- result_reg = Z_REG(op1_addr);
- tmp_reg = ZREG_XMM0;
- } else {
- result_reg = ZREG_XMM0;
- tmp_reg = ZREG_XMM1;
- }
- if (CAN_USE_AVX()) {
- zend_reg op1_reg;
- if (Z_MODE(op1_addr) == IS_REG) {
- op1_reg = Z_REG(op1_addr);
- } else {
- | DOUBLE_GET_ZVAL_DVAL result_reg, op1_addr
- op1_reg = result_reg;
- }
- if ((opcode == ZEND_ADD || opcode == ZEND_SUB)
- && Z_MODE(op2_addr) == IS_CONST_ZVAL
- && Z_LVAL_P(Z_ZV(op2_addr)) == 0) {
- /* +/- 0 */
- } else {
- | DOUBLE_GET_ZVAL_LVAL tmp_reg, op2_addr, tmp_reg_gp
- | AVX_MATH_REG opcode, result_reg, op1_reg, tmp_reg
- }
- } else {
- | DOUBLE_GET_ZVAL_DVAL result_reg, op1_addr
- if ((opcode == ZEND_ADD || opcode == ZEND_SUB)
- && Z_MODE(op2_addr) == IS_CONST_ZVAL
- && Z_LVAL_P(Z_ZV(op2_addr)) == 0) {
- /* +/- 0 */
- } else {
- | DOUBLE_GET_ZVAL_LVAL tmp_reg, op2_addr, tmp_reg_gp
- | SSE_MATH_REG opcode, result_reg, tmp_reg
- }
- }
- }
- | DOUBLE_SET_ZVAL_DVAL res_addr, result_reg
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != Z_REG(res_addr) || Z_OFFSET(op1_addr) != Z_OFFSET(res_addr)) {
- if ((res_use_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF|MAY_BE_GUARD)) != MAY_BE_DOUBLE) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- }
- }
- return 1;
- }
- static int zend_jit_math_double_double(dasm_State **Dst,
- zend_uchar opcode,
- zend_jit_addr op1_addr,
- zend_jit_addr op2_addr,
- zend_jit_addr res_addr,
- uint32_t res_use_info)
- {
- bool same_ops = zend_jit_same_addr(op1_addr, op2_addr);
- zend_reg result_reg;
- if (Z_MODE(res_addr) == IS_REG) {
- result_reg = Z_REG(res_addr);
- } else if (Z_MODE(op1_addr) == IS_REG && Z_LAST_USE(op1_addr)) {
- result_reg = Z_REG(op1_addr);
- } else if (zend_is_commutative(opcode) && Z_MODE(op2_addr) == IS_REG && Z_LAST_USE(op2_addr)) {
- result_reg = Z_REG(op2_addr);
- } else {
- result_reg = ZREG_XMM0;
- }
- if (CAN_USE_AVX()) {
- zend_reg op1_reg;
- zend_jit_addr val_addr;
- if (Z_MODE(op1_addr) == IS_REG) {
- op1_reg = Z_REG(op1_addr);
- val_addr = op2_addr;
- } else if (Z_MODE(op2_addr) == IS_REG && zend_is_commutative(opcode)) {
- op1_reg = Z_REG(op2_addr);
- val_addr = op1_addr;
- } else {
- | DOUBLE_GET_ZVAL_DVAL result_reg, op1_addr
- op1_reg = result_reg;
- val_addr = op2_addr;
- }
- if ((opcode == ZEND_MUL) &&
- Z_MODE(val_addr) == IS_CONST_ZVAL && Z_DVAL_P(Z_ZV(val_addr)) == 2.0) {
- | AVX_MATH_REG ZEND_ADD, result_reg, op1_reg, op1_reg
- } else if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- /* ASSIGN_DIM_OP */
- | AVX_MATH opcode, result_reg, op1_reg, val_addr, r1
- } else {
- | AVX_MATH opcode, result_reg, op1_reg, val_addr, r0
- }
- } else {
- zend_jit_addr val_addr;
- if (Z_MODE(op1_addr) != IS_REG && Z_MODE(op2_addr) == IS_REG && zend_is_commutative(opcode)) {
- | DOUBLE_GET_ZVAL_DVAL result_reg, op2_addr
- val_addr = op1_addr;
- } else {
- | DOUBLE_GET_ZVAL_DVAL result_reg, op1_addr
- val_addr = op2_addr;
- }
- if (same_ops) {
- | SSE_MATH_REG opcode, result_reg, result_reg
- } else if ((opcode == ZEND_MUL) &&
- Z_MODE(val_addr) == IS_CONST_ZVAL && Z_DVAL_P(Z_ZV(val_addr)) == 2.0) {
- | SSE_MATH_REG ZEND_ADD, result_reg, result_reg
- } else if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- /* ASSIGN_DIM_OP */
- | SSE_MATH opcode, result_reg, val_addr, r1
- } else {
- | SSE_MATH opcode, result_reg, val_addr, r0
- }
- }
- | DOUBLE_SET_ZVAL_DVAL res_addr, result_reg
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != Z_REG(res_addr) || Z_OFFSET(op1_addr) != Z_OFFSET(res_addr)) {
- if ((res_use_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF|MAY_BE_GUARD)) != MAY_BE_DOUBLE) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- }
- }
- return 1;
- }
- static int zend_jit_math_helper(dasm_State **Dst,
- const zend_op *opline,
- zend_uchar opcode,
- zend_uchar op1_type,
- znode_op op1,
- zend_jit_addr op1_addr,
- uint32_t op1_info,
- zend_uchar op2_type,
- znode_op op2,
- zend_jit_addr op2_addr,
- uint32_t op2_info,
- uint32_t res_var,
- zend_jit_addr res_addr,
- uint32_t res_info,
- uint32_t res_use_info,
- int may_overflow,
- int may_throw)
- /* Labels: 1,2,3,4,5,6 */
- {
- bool same_ops = zend_jit_same_addr(op1_addr, op2_addr);
- if ((op1_info & MAY_BE_LONG) && (op2_info & MAY_BE_LONG) && (res_info & (MAY_BE_LONG|MAY_BE_DOUBLE))) {
- if (op1_info & (MAY_BE_ANY-MAY_BE_LONG)) {
- if (op1_info & MAY_BE_DOUBLE) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >3
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >6
- }
- }
- if (!same_ops && (op2_info & (MAY_BE_ANY-MAY_BE_LONG))) {
- if (op2_info & MAY_BE_DOUBLE) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >1
- |.cold_code
- |1:
- if (op2_info & (MAY_BE_ANY-(MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >6
- }
- if (!zend_jit_math_long_double(Dst, opcode, op1_addr, op2_addr, res_addr, res_use_info)) {
- return 0;
- }
- | jmp >5
- |.code
- } else {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >6
- }
- }
- if (!zend_jit_math_long_long(Dst, opline, opcode, op1_addr, op2_addr, res_addr, res_info, res_use_info, may_overflow)) {
- return 0;
- }
- if (op1_info & MAY_BE_DOUBLE) {
- |.cold_code
- |3:
- if (op1_info & (MAY_BE_ANY-(MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >6
- }
- if (op2_info & MAY_BE_DOUBLE) {
- if (!same_ops && (op2_info & (MAY_BE_ANY-MAY_BE_DOUBLE))) {
- if (!same_ops) {
- | IF_NOT_ZVAL_TYPE, op2_addr, IS_DOUBLE, >1
- } else {
- | IF_NOT_ZVAL_TYPE, op2_addr, IS_DOUBLE, >6
- }
- }
- if (!zend_jit_math_double_double(Dst, opcode, op1_addr, op2_addr, res_addr, res_use_info)) {
- return 0;
- }
- | jmp >5
- }
- if (!same_ops) {
- |1:
- if (op2_info & (MAY_BE_ANY-(MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >6
- }
- if (!zend_jit_math_double_long(Dst, opcode, op1_addr, op2_addr, res_addr, res_use_info)) {
- return 0;
- }
- | jmp >5
- }
- |.code
- }
- } else if ((op1_info & MAY_BE_DOUBLE) &&
- !(op1_info & MAY_BE_LONG) &&
- (op2_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (res_info & MAY_BE_DOUBLE)) {
- if (op1_info & (MAY_BE_ANY-MAY_BE_DOUBLE)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >6
- }
- if (op2_info & MAY_BE_DOUBLE) {
- if (!same_ops && (op2_info & (MAY_BE_ANY-MAY_BE_DOUBLE))) {
- if (!same_ops && (op2_info & MAY_BE_LONG)) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >1
- } else {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >6
- }
- }
- if (!zend_jit_math_double_double(Dst, opcode, op1_addr, op2_addr, res_addr, res_use_info)) {
- return 0;
- }
- }
- if (!same_ops && (op2_info & MAY_BE_LONG)) {
- if (op2_info & MAY_BE_DOUBLE) {
- |.cold_code
- }
- |1:
- if (op2_info & (MAY_BE_ANY-(MAY_BE_DOUBLE|MAY_BE_LONG))) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >6
- }
- if (!zend_jit_math_double_long(Dst, opcode, op1_addr, op2_addr, res_addr, res_use_info)) {
- return 0;
- }
- if (op2_info & MAY_BE_DOUBLE) {
- | jmp >5
- |.code
- }
- }
- } else if ((op2_info & MAY_BE_DOUBLE) &&
- !(op2_info & MAY_BE_LONG) &&
- (op1_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (res_info & MAY_BE_DOUBLE)) {
- if (op2_info & (MAY_BE_ANY-MAY_BE_DOUBLE)) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >6
- }
- if (op1_info & MAY_BE_DOUBLE) {
- if (!same_ops && (op1_info & (MAY_BE_ANY-MAY_BE_DOUBLE))) {
- if (!same_ops && (op1_info & MAY_BE_LONG)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >1
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >6
- }
- }
- if (!zend_jit_math_double_double(Dst, opcode, op1_addr, op2_addr, res_addr, res_use_info)) {
- return 0;
- }
- }
- if (!same_ops && (op1_info & MAY_BE_LONG)) {
- if (op1_info & MAY_BE_DOUBLE) {
- |.cold_code
- }
- |1:
- if (op1_info & (MAY_BE_ANY-(MAY_BE_DOUBLE|MAY_BE_LONG))) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >6
- }
- if (!zend_jit_math_long_double(Dst, opcode, op1_addr, op2_addr, res_addr, res_use_info)) {
- return 0;
- }
- if (op1_info & MAY_BE_DOUBLE) {
- | jmp >5
- |.code
- }
- }
- }
- |5:
- if ((op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) ||
- (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE)))) {
- if ((op1_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (op2_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (res_info & (MAY_BE_LONG|MAY_BE_DOUBLE))) {
- |.cold_code
- }
- |6:
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != ZREG_FCARG1) {
- if (Z_MODE(res_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, res_var);
- | LOAD_ZVAL_ADDR FCARG1a, real_addr
- } else if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- if (Z_MODE(op1_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, op1.var);
- if (!zend_jit_spill_store(Dst, op1_addr, real_addr, op1_info, 1)) {
- return 0;
- }
- op1_addr = real_addr;
- }
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- } else {
- if (Z_MODE(op1_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, op1.var);
- if (!zend_jit_spill_store(Dst, op1_addr, real_addr, op1_info, 1)) {
- return 0;
- }
- op1_addr = real_addr;
- }
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- if (Z_MODE(res_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, res_var);
- | LOAD_ZVAL_ADDR FCARG1a, real_addr
- } else if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- }
- if (Z_MODE(op2_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, op2.var);
- if (!zend_jit_spill_store(Dst, op2_addr, real_addr, op2_info, 1)) {
- return 0;
- }
- op2_addr = real_addr;
- }
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, op2_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR op2_addr, r0
- |.endif
- | SET_EX_OPLINE opline, r0
- if (opcode == ZEND_ADD) {
- | EXT_CALL add_function, r0
- } else if (opcode == ZEND_SUB) {
- | EXT_CALL sub_function, r0
- } else if (opcode == ZEND_MUL) {
- | EXT_CALL mul_function, r0
- } else if (opcode == ZEND_DIV) {
- | EXT_CALL div_function, r0
- } else {
- ZEND_UNREACHABLE();
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- | FREE_OP op1_type, op1, op1_info, 0, NULL
- | FREE_OP op2_type, op2, op2_info, 0, NULL
- if (may_throw) {
- if (opline->opcode == ZEND_ASSIGN_DIM_OP && (opline->op2_type & (IS_VAR|IS_TMP_VAR))) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | jne ->exception_handler_free_op2
- } else if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RX) {
- zend_jit_check_exception_undef_result(Dst, opline);
- } else {
- zend_jit_check_exception(Dst);
- }
- }
- if (Z_MODE(res_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, res_var);
- if (!zend_jit_load_reg(Dst, real_addr, res_addr, res_info)) {
- return 0;
- }
- }
- if ((op1_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (op2_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (res_info & (MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | jmp <5
- |.code
- }
- }
- return 1;
- }
- static int zend_jit_math(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, uint32_t op2_info, zend_jit_addr op2_addr, uint32_t res_use_info, uint32_t res_info, zend_jit_addr res_addr, int may_overflow, int may_throw)
- {
- ZEND_ASSERT(!(op1_info & MAY_BE_UNDEF) && !(op2_info & MAY_BE_UNDEF));
- ZEND_ASSERT((op1_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (op2_info & (MAY_BE_LONG|MAY_BE_DOUBLE)));
- if (!zend_jit_math_helper(Dst, opline, opline->opcode, opline->op1_type, opline->op1, op1_addr, op1_info, opline->op2_type, opline->op2, op2_addr, op2_info, opline->result.var, res_addr, res_info, res_use_info, may_overflow, may_throw)) {
- return 0;
- }
- if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, res_info)) {
- return 0;
- }
- return 1;
- }
- static int zend_jit_add_arrays(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, uint32_t op2_info, zend_jit_addr op2_addr, zend_jit_addr res_addr)
- {
- if (Z_MODE(op2_addr) != IS_MEM_ZVAL || Z_REG(op2_addr) != ZREG_FCARG1) {
- | GET_ZVAL_LVAL ZREG_FCARG1, op1_addr
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- } else if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != ZREG_FCARG2) {
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- | GET_ZVAL_LVAL ZREG_FCARG1, op1_addr
- } else {
- | GET_ZVAL_LVAL ZREG_R0, op2_addr
- | GET_ZVAL_LVAL ZREG_FCARG1, op1_addr
- | mov FCARG2a, r0
- }
- | EXT_CALL zend_jit_add_arrays_helper, r0
- | SET_ZVAL_PTR res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_ARRAY_EX
- | FREE_OP opline->op1_type, opline->op1, op1_info, 0, opline
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- return 1;
- }
- static int zend_jit_long_math_helper(dasm_State **Dst,
- const zend_op *opline,
- zend_uchar opcode,
- zend_uchar op1_type,
- znode_op op1,
- zend_jit_addr op1_addr,
- uint32_t op1_info,
- zend_ssa_range *op1_range,
- zend_uchar op2_type,
- znode_op op2,
- zend_jit_addr op2_addr,
- uint32_t op2_info,
- zend_ssa_range *op2_range,
- uint32_t res_var,
- zend_jit_addr res_addr,
- uint32_t res_info,
- uint32_t res_use_info,
- int may_throw)
- /* Labels: 6 */
- {
- bool same_ops = zend_jit_same_addr(op1_addr, op2_addr);
- zend_reg result_reg;
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >6
- }
- if (!same_ops && (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG))) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >6
- }
- if (opcode == ZEND_MOD) {
- result_reg = ZREG_RAX;
- } else if (Z_MODE(res_addr) == IS_REG) {
- if ((opline->opcode == ZEND_SL || opline->opcode == ZEND_SR)
- && opline->op2_type != IS_CONST) {
- result_reg = ZREG_R0;
- } else {
- result_reg = Z_REG(res_addr);
- }
- } else if (Z_MODE(op1_addr) == IS_REG && Z_LAST_USE(op1_addr)) {
- result_reg = Z_REG(op1_addr);
- } else if (Z_REG(res_addr) != ZREG_R0) {
- result_reg = ZREG_R0;
- } else {
- /* ASSIGN_DIM_OP */
- if (sizeof(void*) == 4
- && (opcode == ZEND_SL || opcode == ZEND_SR)
- && Z_MODE(op2_addr) != IS_CONST_ZVAL) {
- result_reg = ZREG_R2;
- } else {
- result_reg = ZREG_FCARG1;
- }
- }
- if (opcode == ZEND_SL) {
- if (Z_MODE(op2_addr) == IS_CONST_ZVAL) {
- zend_long op2_lval = Z_LVAL_P(Z_ZV(op2_addr));
- if (UNEXPECTED((zend_ulong)op2_lval >= SIZEOF_ZEND_LONG * 8)) {
- if (EXPECTED(op2_lval > 0)) {
- | xor Ra(result_reg), Ra(result_reg)
- } else {
- zend_jit_invalidate_var_if_necessary(Dst, op1_type, op1_addr, op1);
- zend_jit_invalidate_var_if_necessary(Dst, op2_type, op2_addr, op2);
- | SET_EX_OPLINE opline, r0
- | jmp ->negative_shift
- }
- } else if (Z_MODE(op1_addr) == IS_REG && op2_lval == 1) {
- | lea Ra(result_reg), [Ra(Z_REG(op1_addr))+Ra(Z_REG(op1_addr))]
- } else {
- | GET_ZVAL_LVAL result_reg, op1_addr
- | shl Ra(result_reg), op2_lval
- }
- } else {
- if (Z_MODE(op2_addr) != IS_REG || Z_REG(op2_addr) != ZREG_RCX) {
- | GET_ZVAL_LVAL ZREG_RCX, op2_addr
- }
- if (!op2_range ||
- op2_range->min < 0 ||
- op2_range->max >= SIZEOF_ZEND_LONG * 8) {
- | cmp r1, (SIZEOF_ZEND_LONG*8)
- | jae >1
- |.cold_code
- |1:
- | cmp r1, 0
- | mov Ra(result_reg), 0
- | jg >1
- zend_jit_invalidate_var_if_necessary(Dst, op1_type, op1_addr, op1);
- zend_jit_invalidate_var_if_necessary(Dst, op2_type, op2_addr, op2);
- | SET_EX_OPLINE opline, r0
- | jmp ->negative_shift
- |.code
- }
- | GET_ZVAL_LVAL result_reg, op1_addr
- | shl Ra(result_reg), cl
- |1:
- }
- } else if (opcode == ZEND_SR) {
- | GET_ZVAL_LVAL result_reg, op1_addr
- if (Z_MODE(op2_addr) == IS_CONST_ZVAL) {
- zend_long op2_lval = Z_LVAL_P(Z_ZV(op2_addr));
- if (UNEXPECTED((zend_ulong)op2_lval >= SIZEOF_ZEND_LONG * 8)) {
- if (EXPECTED(op2_lval > 0)) {
- | sar Ra(result_reg), (SIZEOF_ZEND_LONG * 8) - 1
- } else {
- zend_jit_invalidate_var_if_necessary(Dst, op1_type, op1_addr, op1);
- zend_jit_invalidate_var_if_necessary(Dst, op2_type, op2_addr, op2);
- | SET_EX_OPLINE opline, r0
- | jmp ->negative_shift
- }
- } else {
- | sar Ra(result_reg), op2_lval
- }
- } else {
- if (Z_MODE(op2_addr) != IS_REG || Z_REG(op2_addr) != ZREG_RCX) {
- | GET_ZVAL_LVAL ZREG_RCX, op2_addr
- }
- if (!op2_range ||
- op2_range->min < 0 ||
- op2_range->max >= SIZEOF_ZEND_LONG * 8) {
- | cmp r1, (SIZEOF_ZEND_LONG*8)
- | jae >1
- |.cold_code
- |1:
- | cmp r1, 0
- | mov r1, (SIZEOF_ZEND_LONG * 8) - 1
- | jg >1
- zend_jit_invalidate_var_if_necessary(Dst, op1_type, op1_addr, op1);
- zend_jit_invalidate_var_if_necessary(Dst, op2_type, op2_addr, op2);
- | SET_EX_OPLINE opline, r0
- | jmp ->negative_shift
- |.code
- }
- |1:
- | sar Ra(result_reg), cl
- }
- } else if (opcode == ZEND_MOD) {
- if (Z_MODE(op2_addr) == IS_CONST_ZVAL) {
- zend_long op2_lval = Z_LVAL_P(Z_ZV(op2_addr));
- if (op2_lval == 0) {
- zend_jit_invalidate_var_if_necessary(Dst, op1_type, op1_addr, op1);
- zend_jit_invalidate_var_if_necessary(Dst, op2_type, op2_addr, op2);
- | SET_EX_OPLINE opline, r0
- | jmp ->mod_by_zero
- } else if (zend_long_is_power_of_two(op2_lval) && op1_range && op1_range->min >= 0) {
- zval tmp;
- zend_jit_addr tmp_addr;
- zend_reg tmp_reg;
- /* Optimisation for mod of power of 2 */
- ZVAL_LONG(&tmp, op2_lval - 1);
- tmp_addr = ZEND_ADDR_CONST_ZVAL(&tmp);
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- tmp_reg = ZREG_R1;
- } else if (result_reg != ZREG_R0) {
- tmp_reg = ZREG_R0;
- } else {
- tmp_reg = ZREG_R1;
- }
- | GET_ZVAL_LVAL result_reg, op1_addr
- | LONG_MATH ZEND_BW_AND, result_reg, tmp_addr, tmp_reg
- (void)tmp_reg;
- } else {
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RAX) {
- | mov aword T1, r0 // save
- } else if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RCX) {
- | mov aword T1, Ra(ZREG_RCX) // save
- }
- result_reg = ZREG_RDX;
- if (op2_lval == -1) {
- | xor Ra(result_reg), Ra(result_reg)
- } else {
- | GET_ZVAL_LVAL ZREG_RAX, op1_addr
- | GET_ZVAL_LVAL ZREG_RCX, op2_addr
- |.if X64
- | cqo
- |.else
- | cdq
- |.endif
- | idiv Ra(ZREG_RCX)
- }
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RAX) {
- | mov r0, aword T1 // restore
- } else if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RCX) {
- | mov Ra(ZREG_RCX), aword T1 // restore
- }
- }
- } else {
- if (!op2_range || (op2_range->min <= 0 && op2_range->max >= 0)) {
- if (Z_MODE(op2_addr) == IS_MEM_ZVAL) {
- | cmp aword [Ra(Z_REG(op2_addr))+Z_OFFSET(op2_addr)], 0
- } else if (Z_MODE(op2_addr) == IS_REG) {
- | test Ra(Z_REG(op2_addr)), Ra(Z_REG(op2_addr))
- }
- | jz >1
- |.cold_code
- |1:
- zend_jit_invalidate_var_if_necessary(Dst, op1_type, op1_addr, op1);
- zend_jit_invalidate_var_if_necessary(Dst, op2_type, op2_addr, op2);
- | SET_EX_OPLINE opline, r0
- | jmp ->mod_by_zero
- |.code
- }
- /* Prevent overflow error/crash if op1 == LONG_MIN and op2 == -1 */
- if (!op2_range || (op2_range->min <= -1 && op2_range->max >= -1)) {
- if (Z_MODE(op2_addr) == IS_MEM_ZVAL) {
- | cmp aword [Ra(Z_REG(op2_addr))+Z_OFFSET(op2_addr)], -1
- } else if (Z_MODE(op2_addr) == IS_REG) {
- | cmp Ra(Z_REG(op2_addr)), -1
- }
- | jz >1
- |.cold_code
- |1:
- | SET_ZVAL_LVAL res_addr, 0
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != Z_REG(res_addr) || Z_OFFSET(op1_addr) != Z_OFFSET(res_addr)) {
- if ((res_use_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF|MAY_BE_GUARD)) != MAY_BE_LONG) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- }
- }
- }
- | jmp >5
- |.code
- }
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RAX) {
- | mov aword T1, r0 // save
- }
- result_reg = ZREG_RDX;
- | GET_ZVAL_LVAL ZREG_RAX, op1_addr
- |.if X64
- | cqo
- |.else
- | cdq
- |.endif
- if (Z_MODE(op2_addr) == IS_MEM_ZVAL) {
- | idiv aword [Ra(Z_REG(op2_addr))+Z_OFFSET(op2_addr)]
- } else if (Z_MODE(op2_addr) == IS_REG) {
- | idiv Ra(Z_REG(op2_addr))
- }
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RAX) {
- | mov r0, aword T1 // restore
- }
- }
- } else if (same_ops) {
- | GET_ZVAL_LVAL result_reg, op1_addr
- | LONG_MATH_REG opcode, Ra(result_reg), Ra(result_reg)
- } else {
- zend_reg tmp_reg;
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_R0) {
- tmp_reg = ZREG_R1;
- } else if (result_reg != ZREG_R0) {
- tmp_reg = ZREG_R0;
- } else {
- tmp_reg = ZREG_R1;
- }
- | GET_ZVAL_LVAL result_reg, op1_addr
- | LONG_MATH opcode, result_reg, op2_addr, tmp_reg
- (void)tmp_reg;
- }
- if (Z_MODE(res_addr) != IS_REG || Z_REG(res_addr) != result_reg) {
- | SET_ZVAL_LVAL res_addr, Ra(result_reg)
- }
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != Z_REG(res_addr) || Z_OFFSET(op1_addr) != Z_OFFSET(res_addr)) {
- if ((res_use_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF|MAY_BE_GUARD)) != MAY_BE_LONG) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- }
- }
- }
- if ((op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG)) ||
- (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG))) {
- if ((op1_info & MAY_BE_LONG) &&
- (op2_info & MAY_BE_LONG)) {
- |.cold_code
- }
- |6:
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != ZREG_FCARG1) {
- if (Z_MODE(res_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, res_var);
- | LOAD_ZVAL_ADDR FCARG1a, real_addr
- } else if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- if (Z_MODE(op1_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, op1.var);
- if (!zend_jit_spill_store(Dst, op1_addr, real_addr, op1_info, 1)) {
- return 0;
- }
- op1_addr = real_addr;
- }
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- } else {
- if (Z_MODE(op1_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, op1.var);
- if (!zend_jit_spill_store(Dst, op1_addr, real_addr, op1_info, 1)) {
- return 0;
- }
- op1_addr = real_addr;
- }
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- if (Z_MODE(res_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, res_var);
- | LOAD_ZVAL_ADDR FCARG1a, real_addr
- } else if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- }
- if (Z_MODE(op2_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, op2.var);
- if (!zend_jit_spill_store(Dst, op2_addr, real_addr, op2_info, 1)) {
- return 0;
- }
- op2_addr = real_addr;
- }
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, op2_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR op2_addr, r0
- |.endif
- | SET_EX_OPLINE opline, r0
- if (opcode == ZEND_BW_OR) {
- | EXT_CALL bitwise_or_function, r0
- } else if (opcode == ZEND_BW_AND) {
- | EXT_CALL bitwise_and_function, r0
- } else if (opcode == ZEND_BW_XOR) {
- | EXT_CALL bitwise_xor_function, r0
- } else if (opcode == ZEND_SL) {
- | EXT_CALL shift_left_function, r0
- } else if (opcode == ZEND_SR) {
- | EXT_CALL shift_right_function, r0
- } else if (opcode == ZEND_MOD) {
- | EXT_CALL mod_function, r0
- } else {
- ZEND_UNREACHABLE();
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- if (op1_addr == res_addr && (op2_info & MAY_BE_RCN)) {
- /* compound assignment may decrement "op2" refcount */
- op2_info |= MAY_BE_RC1;
- }
- | FREE_OP op1_type, op1, op1_info, 0, NULL
- | FREE_OP op2_type, op2, op2_info, 0, NULL
- if (may_throw) {
- if (opline->opcode == ZEND_ASSIGN_DIM_OP && (opline->op2_type & (IS_VAR|IS_TMP_VAR))) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | jne ->exception_handler_free_op2
- } else if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RX) {
- zend_jit_check_exception_undef_result(Dst, opline);
- } else {
- zend_jit_check_exception(Dst);
- }
- }
- if (Z_MODE(res_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, res_var);
- if (!zend_jit_load_reg(Dst, real_addr, res_addr, res_info)) {
- return 0;
- }
- }
- if ((op1_info & MAY_BE_LONG) &&
- (op2_info & MAY_BE_LONG)) {
- | jmp >5
- |.code
- }
- }
- |5:
- return 1;
- }
- static int zend_jit_long_math(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_ssa_range *op1_range, zend_jit_addr op1_addr, uint32_t op2_info, zend_ssa_range *op2_range, zend_jit_addr op2_addr, uint32_t res_use_info, uint32_t res_info, zend_jit_addr res_addr, int may_throw)
- {
- ZEND_ASSERT(!(op1_info & MAY_BE_UNDEF) && !(op2_info & MAY_BE_UNDEF));
- ZEND_ASSERT((op1_info & MAY_BE_LONG) && (op2_info & MAY_BE_LONG));
- if (!zend_jit_long_math_helper(Dst, opline, opline->opcode,
- opline->op1_type, opline->op1, op1_addr, op1_info, op1_range,
- opline->op2_type, opline->op2, op2_addr, op2_info, op2_range,
- opline->result.var, res_addr, res_info, res_use_info, may_throw)) {
- return 0;
- }
- if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, res_info)) {
- return 0;
- }
- return 1;
- }
- static int zend_jit_concat_helper(dasm_State **Dst,
- const zend_op *opline,
- zend_uchar op1_type,
- znode_op op1,
- zend_jit_addr op1_addr,
- uint32_t op1_info,
- zend_uchar op2_type,
- znode_op op2,
- zend_jit_addr op2_addr,
- uint32_t op2_info,
- zend_jit_addr res_addr,
- int may_throw)
- {
- #if 1
- if ((op1_info & MAY_BE_STRING) && (op2_info & MAY_BE_STRING)) {
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF) - MAY_BE_STRING)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, >6
- }
- if (op2_info & ((MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF) - MAY_BE_STRING)) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_STRING, >6
- }
- if (Z_MODE(op1_addr) == IS_MEM_ZVAL && Z_REG(op1_addr) == Z_REG(res_addr) && Z_OFFSET(op1_addr) == Z_OFFSET(res_addr)) {
- if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- | EXT_CALL zend_jit_fast_assign_concat_helper, r0
- /* concatination with itself may reduce refcount */
- op2_info |= MAY_BE_RC1;
- } else {
- if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, op2_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR op2_addr, r0
- |.endif
- if (op1_type == IS_CV || op1_type == IS_CONST) {
- | EXT_CALL zend_jit_fast_concat_helper, r0
- } else {
- | EXT_CALL zend_jit_fast_concat_tmp_helper, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- }
- /* concatination with empty string may increase refcount */
- op2_info |= MAY_BE_RCN;
- | FREE_OP op2_type, op2, op2_info, 0, opline
- |5:
- }
- if ((op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF) - MAY_BE_STRING)) ||
- (op2_info & ((MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF) - MAY_BE_STRING))) {
- if ((op1_info & MAY_BE_STRING) && (op2_info & MAY_BE_STRING)) {
- |.cold_code
- |6:
- }
- #endif
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != ZREG_FCARG1) {
- if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- }
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, op2_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR op2_addr, r0
- |.endif
- | SET_EX_OPLINE opline, r0
- | EXT_CALL concat_function, r0
- |.if not(X64)
- | add r4, 12
- |.endif
- /* concatination with empty string may increase refcount */
- op1_info |= MAY_BE_RCN;
- op2_info |= MAY_BE_RCN;
- | FREE_OP op1_type, op1, op1_info, 0, NULL
- | FREE_OP op2_type, op2, op2_info, 0, NULL
- if (may_throw) {
- if (Z_MODE(res_addr) == IS_MEM_ZVAL && Z_REG(res_addr) == ZREG_RX) {
- zend_jit_check_exception_undef_result(Dst, opline);
- } else {
- zend_jit_check_exception(Dst);
- }
- }
- #if 1
- if ((op1_info & MAY_BE_STRING) && (op2_info & MAY_BE_STRING)) {
- | jmp <5
- |.code
- }
- }
- #endif
- return 1;
- }
- static int zend_jit_concat(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, uint32_t op2_info, zend_jit_addr res_addr, int may_throw)
- {
- zend_jit_addr op1_addr, op2_addr;
- ZEND_ASSERT(!(op1_info & MAY_BE_UNDEF) && !(op2_info & MAY_BE_UNDEF));
- ZEND_ASSERT((op1_info & MAY_BE_STRING) && (op2_info & MAY_BE_STRING));
- op1_addr = OP1_ADDR();
- op2_addr = OP2_ADDR();
- return zend_jit_concat_helper(Dst, opline, opline->op1_type, opline->op1, op1_addr, op1_info, opline->op2_type, opline->op2, op2_addr, op2_info, res_addr, may_throw);
- }
- static int zend_jit_fetch_dimension_address_inner(dasm_State **Dst, const zend_op *opline, uint32_t type, uint32_t op1_info, uint32_t op2_info, uint8_t dim_type, const void *found_exit_addr, const void *not_found_exit_addr, const void *exit_addr)
- /* Labels: 1,2,3,4,5 */
- {
- zend_jit_addr op2_addr = OP2_ADDR();
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && type == BP_VAR_R
- && !exit_addr) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- }
- if (op2_info & MAY_BE_LONG) {
- bool op2_loaded = 0;
- bool packed_loaded = 0;
- bool bad_packed_key = 0;
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - MAY_BE_LONG)) {
- | // if (EXPECTED(Z_TYPE_P(dim) == IS_LONG))
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >3
- }
- if (op1_info & MAY_BE_PACKED_GUARD) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_PACKED_GUARD);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- if (op1_info & MAY_BE_ARRAY_PACKED) {
- | test dword [FCARG1a + offsetof(zend_array, u.flags)], HASH_FLAG_PACKED
- | jz &exit_addr
- } else {
- | test dword [FCARG1a + offsetof(zend_array, u.flags)], HASH_FLAG_PACKED
- | jnz &exit_addr
- }
- }
- if (type == BP_VAR_W) {
- | // hval = Z_LVAL_P(dim);
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- op2_loaded = 1;
- }
- if (op1_info & MAY_BE_ARRAY_PACKED) {
- zend_long val = -1;
- if (Z_MODE(op2_addr) == IS_CONST_ZVAL) {
- val = Z_LVAL_P(Z_ZV(op2_addr));
- if (val >= 0 && val < HT_MAX_SIZE) {
- packed_loaded = 1;
- } else {
- bad_packed_key = 1;
- }
- } else {
- if (!op2_loaded) {
- | // hval = Z_LVAL_P(dim);
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- op2_loaded = 1;
- }
- packed_loaded = 1;
- }
- if (dim_type == IS_UNDEF && type == BP_VAR_W && packed_loaded) {
- /* don't generate "fast" code for packed array */
- packed_loaded = 0;
- }
- if (packed_loaded) {
- | // ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
- if (op1_info & MAY_BE_ARRAY_NUMERIC_HASH) {
- | test dword [FCARG1a + offsetof(zend_array, u.flags)], HASH_FLAG_PACKED
- | jz >4 // HASH_FIND
- }
- | // if (EXPECTED((zend_ulong)(_h) < (zend_ulong)(_ht)->nNumUsed))
- |.if X64
- | mov eax, dword [FCARG1a + offsetof(zend_array, nNumUsed)]
- if (val == 0) {
- | test r0, r0
- } else if (val > 0 && !op2_loaded) {
- | cmp r0, val
- } else {
- | cmp r0, FCARG2a
- }
- |.else
- if (val >= 0 && !op2_loaded) {
- | cmp dword [FCARG1a + offsetof(zend_array, nNumUsed)], val
- } else {
- | cmp dword [FCARG1a + offsetof(zend_array, nNumUsed)], FCARG2a
- }
- |.endif
- if (type == BP_JIT_IS) {
- if (not_found_exit_addr) {
- | jbe ¬_found_exit_addr
- } else {
- | jbe >9 // NOT_FOUND
- }
- } else if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && type == BP_VAR_R) {
- | jbe &exit_addr
- } else if (type == BP_VAR_IS && not_found_exit_addr) {
- | jbe ¬_found_exit_addr
- } else if (type == BP_VAR_RW && not_found_exit_addr) {
- | jbe ¬_found_exit_addr
- } else if (type == BP_VAR_IS && found_exit_addr) {
- | jbe >7 // NOT_FOUND
- } else {
- | jbe >2 // NOT_FOUND
- }
- | // _ret = &_ht->arData[_h].val;
- if (val >= 0) {
- | mov r0, aword [FCARG1a + offsetof(zend_array, arData)]
- if (val != 0) {
- | add r0, val * sizeof(Bucket)
- }
- } else {
- |.if X64
- | mov r0, FCARG2a
- | shl r0, 5
- |.else
- | imul r0, FCARG2a, sizeof(Bucket)
- |.endif
- | add r0, aword [FCARG1a + offsetof(zend_array, arData)]
- }
- }
- }
- switch (type) {
- case BP_JIT_IS:
- if (op1_info & MAY_BE_ARRAY_NUMERIC_HASH) {
- if (packed_loaded) {
- | jmp >5
- }
- |4:
- if (!op2_loaded) {
- | // hval = Z_LVAL_P(dim);
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- }
- if (packed_loaded) {
- | EXT_CALL _zend_hash_index_find, r0
- } else {
- | EXT_CALL zend_hash_index_find, r0
- }
- | test r0, r0
- if (not_found_exit_addr) {
- | jz ¬_found_exit_addr
- } else {
- | jz >9 // NOT_FOUND
- }
- if (op2_info & MAY_BE_STRING) {
- | jmp >5
- }
- } else if (packed_loaded) {
- if (op2_info & MAY_BE_STRING) {
- | jmp >5
- }
- } else if (not_found_exit_addr) {
- | jmp ¬_found_exit_addr
- } else {
- | jmp >9 // NOT_FOUND
- }
- break;
- case BP_VAR_R:
- case BP_VAR_IS:
- case BP_VAR_UNSET:
- if (packed_loaded) {
- if (op1_info & MAY_BE_ARRAY_NUMERIC_HASH) {
- | IF_NOT_Z_TYPE r0, IS_UNDEF, >8
- } else if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && type == BP_VAR_R) {
- /* perform IS_UNDEF check only after result type guard (during deoptimization) */
- if (!found_exit_addr || (op1_info & MAY_BE_ARRAY_NUMERIC_HASH)) {
- | IF_Z_TYPE r0, IS_UNDEF, &exit_addr
- }
- } else if (type == BP_VAR_IS && not_found_exit_addr) {
- | IF_Z_TYPE r0, IS_UNDEF, ¬_found_exit_addr
- } else if (type == BP_VAR_IS && found_exit_addr) {
- | IF_Z_TYPE r0, IS_UNDEF, >7 // NOT_FOUND
- } else {
- | IF_Z_TYPE r0, IS_UNDEF, >2 // NOT_FOUND
- }
- }
- if (!(op1_info & MAY_BE_ARRAY_KEY_LONG) || (packed_loaded && (op1_info & MAY_BE_ARRAY_NUMERIC_HASH))) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && type == BP_VAR_R) {
- | jmp &exit_addr
- } else if (type == BP_VAR_IS && not_found_exit_addr) {
- | jmp ¬_found_exit_addr
- } else if (type == BP_VAR_IS && found_exit_addr) {
- | jmp >7 // NOT_FOUND
- } else {
- | jmp >2 // NOT_FOUND
- }
- }
- if (!packed_loaded || (op1_info & MAY_BE_ARRAY_NUMERIC_HASH)) {
- |4:
- if (!op2_loaded) {
- | // hval = Z_LVAL_P(dim);
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- }
- if (packed_loaded) {
- | EXT_CALL _zend_hash_index_find, r0
- } else {
- | EXT_CALL zend_hash_index_find, r0
- }
- | test r0, r0
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && type == BP_VAR_R) {
- | jz &exit_addr
- } else if (type == BP_VAR_IS && not_found_exit_addr) {
- | jz ¬_found_exit_addr
- } else if (type == BP_VAR_IS && found_exit_addr) {
- | jz >7 // NOT_FOUND
- } else {
- | jz >2 // NOT_FOUND
- }
- }
- |.cold_code
- |2:
- switch (type) {
- case BP_VAR_R:
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE) {
- | // zend_error(E_WARNING,"Undefined array key " ZEND_LONG_FMT, hval);
- | // retval = &EG(uninitialized_zval);
- | UNDEFINED_OFFSET opline
- | jmp >9
- }
- break;
- case BP_VAR_IS:
- case BP_VAR_UNSET:
- if (!not_found_exit_addr && !found_exit_addr) {
- | // retval = &EG(uninitialized_zval);
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- | jmp >9
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- |.code
- break;
- case BP_VAR_RW:
- if (packed_loaded && !not_found_exit_addr) {
- | IF_NOT_Z_TYPE r0, IS_UNDEF, >8
- }
- if (!packed_loaded ||
- !not_found_exit_addr ||
- (op1_info & MAY_BE_ARRAY_NUMERIC_HASH)) {
- if (packed_loaded && not_found_exit_addr) {
- |.cold_code
- }
- |2:
- |4:
- if (!op2_loaded) {
- | // hval = Z_LVAL_P(dim);
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- }
- | SET_EX_OPLINE opline, r0
- if (packed_loaded) {
- | EXT_CALL zend_jit_hash_index_lookup_rw_no_packed, r0
- } else {
- | EXT_CALL zend_jit_hash_index_lookup_rw, r0
- }
- | test r0, r0
- if (not_found_exit_addr) {
- if (packed_loaded) {
- | jnz >8
- | jmp ¬_found_exit_addr
- |.code
- } else {
- | jz ¬_found_exit_addr
- }
- } else {
- | jz >9
- }
- }
- break;
- case BP_VAR_W:
- if (packed_loaded) {
- | IF_NOT_Z_TYPE r0, IS_UNDEF, >8
- }
- if (!(op1_info & MAY_BE_ARRAY_KEY_LONG) || (op1_info & MAY_BE_ARRAY_NUMERIC_HASH) || packed_loaded || bad_packed_key || dim_type == IS_UNDEF) {
- |2:
- |4:
- if (!op2_loaded) {
- | // hval = Z_LVAL_P(dim);
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- }
- | EXT_CALL zend_hash_index_lookup, r0
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- if (type != BP_JIT_IS && (op2_info & MAY_BE_STRING)) {
- | jmp >8
- }
- }
- if (op2_info & MAY_BE_STRING) {
- |3:
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_LONG|MAY_BE_STRING))) {
- | // if (EXPECTED(Z_TYPE_P(dim) == IS_STRING))
- | IF_NOT_ZVAL_TYPE op2_addr, IS_STRING, >3
- }
- | // offset_key = Z_STR_P(dim);
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- | // retval = zend_hash_find(ht, offset_key);
- switch (type) {
- case BP_JIT_IS:
- if (opline->op2_type != IS_CONST) {
- | cmp byte [FCARG2a + offsetof(zend_string, val)], '9'
- | jle >1
- |.cold_code
- |1:
- | EXT_CALL zend_jit_symtable_find, r0
- | jmp >1
- |.code
- | EXT_CALL zend_hash_find, r0
- |1:
- } else {
- | EXT_CALL zend_hash_find_known_hash, r0
- }
- | test r0, r0
- if (not_found_exit_addr) {
- | jz ¬_found_exit_addr
- } else {
- | jz >9 // NOT_FOUND
- }
- break;
- case BP_VAR_R:
- case BP_VAR_IS:
- case BP_VAR_UNSET:
- if (opline->op2_type != IS_CONST) {
- | cmp byte [FCARG2a + offsetof(zend_string, val)], '9'
- | jle >1
- |.cold_code
- |1:
- | EXT_CALL zend_jit_symtable_find, r0
- | jmp >1
- |.code
- | EXT_CALL zend_hash_find, r0
- |1:
- } else {
- | EXT_CALL zend_hash_find_known_hash, r0
- }
- | test r0, r0
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && type == BP_VAR_R) {
- | jz &exit_addr
- } else if (type == BP_VAR_IS && not_found_exit_addr) {
- | jz ¬_found_exit_addr
- } else if (type == BP_VAR_IS && found_exit_addr) {
- | jz >7 // NOT_FOUND
- } else {
- | jz >2 // NOT_FOUND
- |.cold_code
- |2:
- switch (type) {
- case BP_VAR_R:
- // zend_error(E_WARNING, "Undefined array key \"%s\"", ZSTR_VAL(offset_key));
- | UNDEFINED_INDEX opline
- | jmp >9
- break;
- case BP_VAR_IS:
- case BP_VAR_UNSET:
- | // retval = &EG(uninitialized_zval);
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- | jmp >9
- break;
- default:
- ZEND_UNREACHABLE();
- }
- |.code
- }
- break;
- case BP_VAR_RW:
- | SET_EX_OPLINE opline, r0
- if (opline->op2_type != IS_CONST) {
- | EXT_CALL zend_jit_symtable_lookup_rw, r0
- } else {
- | EXT_CALL zend_jit_hash_lookup_rw, r0
- }
- | test r0, r0
- if (not_found_exit_addr) {
- | jz ¬_found_exit_addr
- } else {
- | jz >9
- }
- break;
- case BP_VAR_W:
- if (opline->op2_type != IS_CONST) {
- | EXT_CALL zend_jit_symtable_lookup_w, r0
- } else {
- | EXT_CALL zend_hash_lookup, r0
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- }
- if (type == BP_JIT_IS && (op2_info & (MAY_BE_LONG|MAY_BE_STRING))) {
- |5:
- if (op1_info & MAY_BE_ARRAY_OF_REF) {
- | ZVAL_DEREF r0, MAY_BE_REF
- }
- | cmp byte [r0 + 8], IS_NULL
- if (not_found_exit_addr) {
- | jle ¬_found_exit_addr
- } else if (found_exit_addr) {
- | jg &found_exit_addr
- } else {
- | jle >9 // NOT FOUND
- }
- }
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_LONG|MAY_BE_STRING))) {
- if (op2_info & (MAY_BE_LONG|MAY_BE_STRING)) {
- |.cold_code
- |3:
- }
- | SET_EX_OPLINE opline, r0
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- switch (type) {
- case BP_VAR_R:
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- | EXT_CALL zend_jit_fetch_dim_r_helper, r0
- |.if not(X64)
- | add r4, 12
- |.endif
- | jmp >9
- break;
- case BP_JIT_IS:
- | EXT_CALL zend_jit_fetch_dim_isset_helper, r0
- | test r0, r0
- if (not_found_exit_addr) {
- | je ¬_found_exit_addr
- if (op2_info & (MAY_BE_LONG|MAY_BE_STRING)) {
- | jmp >8
- }
- } else if (found_exit_addr) {
- | jne &found_exit_addr
- if (op2_info & (MAY_BE_LONG|MAY_BE_STRING)) {
- | jmp >9
- }
- } else {
- | jne >8
- | jmp >9
- }
- break;
- case BP_VAR_IS:
- case BP_VAR_UNSET:
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- | EXT_CALL zend_jit_fetch_dim_is_helper, r0
- |.if not(X64)
- | add r4, 12
- |.endif
- | jmp >9
- break;
- case BP_VAR_RW:
- | EXT_CALL zend_jit_fetch_dim_rw_helper, r0
- | test r0, r0
- | jne >8
- | jmp >9
- break;
- case BP_VAR_W:
- | EXT_CALL zend_jit_fetch_dim_w_helper, r0
- | test r0, r0
- | jne >8
- | jmp >9
- break;
- default:
- ZEND_UNREACHABLE();
- }
- if (op2_info & (MAY_BE_LONG|MAY_BE_STRING)) {
- |.code
- }
- }
- return 1;
- }
- static int zend_jit_simple_assign(dasm_State **Dst,
- const zend_op *opline,
- zend_jit_addr var_addr,
- uint32_t var_info,
- uint32_t var_def_info,
- zend_uchar val_type,
- zend_jit_addr val_addr,
- uint32_t val_info,
- zend_jit_addr res_addr,
- int in_cold,
- int save_r1)
- /* Labels: 1,2,3 */
- {
- zend_reg tmp_reg;
- if (Z_MODE(var_addr) == IS_REG || Z_REG(var_addr) != ZREG_R0) {
- tmp_reg = ZREG_R0;
- } else {
- /* ASSIGN_DIM */
- tmp_reg = ZREG_FCARG1;
- }
- if (Z_MODE(val_addr) == IS_CONST_ZVAL) {
- zval *zv = Z_ZV(val_addr);
- if (!res_addr) {
- | ZVAL_COPY_CONST var_addr, var_info, var_def_info, zv, tmp_reg
- } else {
- | ZVAL_COPY_CONST_2 var_addr, res_addr, var_info, var_def_info, zv, tmp_reg
- }
- if (Z_REFCOUNTED_P(zv)) {
- if (!res_addr) {
- | ADDREF_CONST zv, Ra(tmp_reg)
- } else {
- | ADDREF_CONST_2 zv, Ra(tmp_reg)
- }
- }
- } else {
- if (val_info & MAY_BE_UNDEF) {
- if (in_cold) {
- | IF_NOT_ZVAL_TYPE val_addr, IS_UNDEF, >2
- } else {
- | IF_ZVAL_TYPE val_addr, IS_UNDEF, >1
- |.cold_code
- |1:
- }
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- if (save_r1) {
- | mov aword T1, FCARG1a // save
- }
- | SET_ZVAL_TYPE_INFO var_addr, IS_NULL
- if (res_addr) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- }
- if (opline) {
- | SET_EX_OPLINE opline, Ra(tmp_reg)
- }
- ZEND_ASSERT(Z_MODE(val_addr) == IS_MEM_ZVAL && Z_REG(val_addr) == ZREG_FP);
- | mov FCARG1d, Z_OFFSET(val_addr)
- | EXT_CALL zend_jit_undefined_op_helper, r0
- | test r0, r0
- | jz ->exception_handler_undef
- if (save_r1) {
- | mov FCARG1a, aword T1 // restore
- }
- | jmp >3
- if (in_cold) {
- |2:
- } else {
- |.code
- }
- }
- if (val_info & MAY_BE_REF) {
- if (val_type == IS_CV) {
- ZEND_ASSERT(Z_REG(var_addr) != ZREG_R2);
- if (Z_MODE(val_addr) != IS_MEM_ZVAL || Z_REG(val_addr) != ZREG_R2 || Z_OFFSET(val_addr) != 0) {
- | LOAD_ZVAL_ADDR r2, val_addr
- }
- | ZVAL_DEREF r2, val_info
- val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R2, 0);
- } else {
- zend_jit_addr ref_addr;
- zend_reg type_reg = tmp_reg;
- if (in_cold) {
- | IF_NOT_ZVAL_TYPE val_addr, IS_REFERENCE, >1
- } else {
- | IF_ZVAL_TYPE val_addr, IS_REFERENCE, >1
- |.cold_code
- |1:
- }
- | // zend_refcounted *ref = Z_COUNTED_P(retval_ptr);
- | GET_ZVAL_PTR r2, val_addr
- | GC_DELREF r2
- | // ZVAL_COPY_VALUE(return_value, &ref->value);
- ref_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R2, 8);
- if (!res_addr) {
- | ZVAL_COPY_VALUE var_addr, var_info, ref_addr, val_info, type_reg, tmp_reg
- } else {
- | ZVAL_COPY_VALUE_2 var_addr, var_info, res_addr, ref_addr, val_info, type_reg, tmp_reg
- }
- | je >2
- if (tmp_reg == ZREG_R0) {
- | IF_NOT_REFCOUNTED ah, >3
- } else {
- | IF_NOT_FLAGS Rd(tmp_reg), (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT), >3
- }
- | GET_ZVAL_PTR Ra(tmp_reg), var_addr
- if (!res_addr) {
- | GC_ADDREF Ra(tmp_reg)
- } else {
- | add dword [Ra(tmp_reg)], 2
- }
- | jmp >3
- |2:
- if (res_addr) {
- if (tmp_reg == ZREG_R0) {
- | IF_NOT_REFCOUNTED ah, >2
- } else {
- | IF_NOT_FLAGS Rd(tmp_reg), (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT), >2
- }
- | GET_ZVAL_PTR Ra(tmp_reg), var_addr
- | GC_ADDREF Ra(tmp_reg)
- |2:
- }
- if (save_r1) {
- | mov aword T1, FCARG1a // save
- }
- | EFREE_REFERENCE r2
- if (save_r1) {
- | mov FCARG1a, aword T1 // restore
- }
- | jmp >3
- if (in_cold) {
- |1:
- } else {
- |.code
- }
- }
- }
- if (!res_addr) {
- | ZVAL_COPY_VALUE var_addr, var_info, val_addr, val_info, ZREG_R2, tmp_reg
- } else {
- | ZVAL_COPY_VALUE_2 var_addr, var_info, res_addr, val_addr, val_info, ZREG_R2, tmp_reg
- }
- if (val_type == IS_CV) {
- if (!res_addr) {
- | TRY_ADDREF val_info, dh, Ra(tmp_reg)
- } else {
- | TRY_ADDREF_2 val_info, dh, Ra(tmp_reg)
- }
- } else {
- if (res_addr) {
- | TRY_ADDREF val_info, dh, Ra(tmp_reg)
- }
- }
- |3:
- }
- return 1;
- }
- static int zend_jit_assign_to_typed_ref(dasm_State **Dst,
- const zend_op *opline,
- zend_uchar val_type,
- zend_jit_addr val_addr,
- zend_jit_addr res_addr,
- bool check_exception)
- {
- | // if (UNEXPECTED(ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(variable_ptr)))) {
- | cmp aword [FCARG1a + offsetof(zend_reference, sources.ptr)], 0
- | jnz >2
- |.cold_code
- |2:
- if (Z_MODE(val_addr) != IS_MEM_ZVAL || Z_REG(val_addr) != ZREG_FCARG2 || Z_OFFSET(val_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG2a, val_addr
- }
- if (opline) {
- | SET_EX_OPLINE opline, r0
- }
- if (val_type == IS_CONST) {
- | EXT_CALL zend_jit_assign_const_to_typed_ref, r0
- } else if (val_type == IS_TMP_VAR) {
- | EXT_CALL zend_jit_assign_tmp_to_typed_ref, r0
- } else if (val_type == IS_VAR) {
- | EXT_CALL zend_jit_assign_var_to_typed_ref, r0
- } else if (val_type == IS_CV) {
- | EXT_CALL zend_jit_assign_cv_to_typed_ref, r0
- } else {
- ZEND_UNREACHABLE();
- }
- if (res_addr) {
- zend_jit_addr ret_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- | ZVAL_COPY_VALUE res_addr, -1, ret_addr, -1, ZREG_R1, ZREG_R2
- | TRY_ADDREF -1, ch, r2
- }
- if (check_exception) {
- | // if (UNEXPECTED(EG(exception) != NULL)) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | je >8 // END OF zend_jit_assign_to_variable()
- | jmp ->exception_handler
- } else {
- | jmp >8
- }
- |.code
- return 1;
- }
- static int zend_jit_assign_to_variable_call(dasm_State **Dst,
- const zend_op *opline,
- zend_jit_addr __var_use_addr,
- zend_jit_addr var_addr,
- uint32_t __var_info,
- uint32_t __var_def_info,
- zend_uchar val_type,
- zend_jit_addr val_addr,
- uint32_t val_info,
- zend_jit_addr __res_addr,
- bool __check_exception)
- {
- if (val_info & MAY_BE_UNDEF) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_ZVAL_TYPE val_addr, IS_UNDEF, &exit_addr
- } else {
- | IF_ZVAL_TYPE val_addr, IS_UNDEF, >1
- |.cold_code
- |1:
- ZEND_ASSERT(Z_REG(val_addr) == ZREG_FP);
- if (Z_REG(var_addr) != ZREG_FP) {
- | mov aword T1, Ra(Z_REG(var_addr)) // save
- }
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, Z_OFFSET(val_addr)
- | EXT_CALL zend_jit_undefined_op_helper, r0
- if (Z_REG(var_addr) != ZREG_FP) {
- | mov Ra(Z_REG(var_addr)), aword T1 // restore
- }
- if (Z_MODE(var_addr) != IS_MEM_ZVAL || Z_REG(var_addr) != ZREG_FCARG1 || Z_OFFSET(var_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, var_addr
- }
- | LOAD_ADDR_ZTS FCARG2a, executor_globals, uninitialized_zval
- | call ->assign_const
- | jmp >9
- |.code
- }
- }
- if (Z_MODE(var_addr) != IS_MEM_ZVAL || Z_REG(var_addr) != ZREG_FCARG1 || Z_OFFSET(var_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, var_addr
- }
- if (Z_MODE(val_addr) != IS_MEM_ZVAL || Z_REG(val_addr) != ZREG_FCARG2 || Z_OFFSET(val_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG2a, val_addr
- }
- if (opline) {
- | SET_EX_OPLINE opline, r0
- }
- if (!(val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF))) {
- | call ->assign_tmp
- } else if (val_type == IS_CONST) {
- | call ->assign_const
- } else if (val_type == IS_TMP_VAR) {
- | call ->assign_tmp
- } else if (val_type == IS_VAR) {
- if (!(val_info & MAY_BE_REF)) {
- | call ->assign_tmp
- } else {
- | call ->assign_var
- }
- } else if (val_type == IS_CV) {
- if (!(val_info & MAY_BE_REF)) {
- | call ->assign_cv_noref
- } else {
- | call ->assign_cv
- }
- if ((val_info & MAY_BE_UNDEF) && JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE) {
- |9:
- }
- } else {
- ZEND_UNREACHABLE();
- }
- return 1;
- }
- static int zend_jit_assign_to_variable(dasm_State **Dst,
- const zend_op *opline,
- zend_jit_addr var_use_addr,
- zend_jit_addr var_addr,
- uint32_t var_info,
- uint32_t var_def_info,
- zend_uchar val_type,
- zend_jit_addr val_addr,
- uint32_t val_info,
- zend_jit_addr res_addr,
- bool check_exception)
- /* Labels: 1,2,3,4,5,8 */
- {
- int done = 0;
- zend_reg ref_reg, tmp_reg;
- if (Z_MODE(var_addr) == IS_REG || Z_REG(var_use_addr) != ZREG_R0) {
- ref_reg = ZREG_FCARG1;
- tmp_reg = ZREG_R0;
- } else {
- /* ASSIGN_DIM */
- ref_reg = ZREG_R0;
- tmp_reg = ZREG_FCARG1;
- }
- if (var_info & MAY_BE_REF) {
- if (Z_MODE(var_use_addr) != IS_MEM_ZVAL || Z_REG(var_use_addr) != ref_reg || Z_OFFSET(var_use_addr) != 0) {
- | LOAD_ZVAL_ADDR Ra(ref_reg), var_use_addr
- var_addr = var_use_addr = ZEND_ADDR_MEM_ZVAL(ref_reg, 0);
- }
- | // if (Z_ISREF_P(variable_ptr)) {
- | IF_NOT_Z_TYPE, Ra(ref_reg), IS_REFERENCE, >3
- | // if (UNEXPECTED(ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(variable_ptr)))) {
- | GET_Z_PTR FCARG1a, Ra(ref_reg)
- if (!zend_jit_assign_to_typed_ref(Dst, opline, val_type, val_addr, res_addr, check_exception)) {
- return 0;
- }
- | lea Ra(ref_reg), [FCARG1a + offsetof(zend_reference, val)]
- |3:
- }
- if (var_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- if (RC_MAY_BE_1(var_info)) {
- int in_cold = 0;
- if (var_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | IF_ZVAL_REFCOUNTED var_use_addr, >1
- |.cold_code
- |1:
- in_cold = 1;
- }
- if (Z_REG(var_use_addr) == ZREG_FCARG1 || Z_REG(var_use_addr) == ZREG_R0) {
- bool keep_gc = 0;
- | GET_ZVAL_PTR Ra(tmp_reg), var_use_addr
- if (tmp_reg == ZREG_FCARG1) {
- if (Z_MODE(val_addr) == IS_REG) {
- keep_gc = 1;
- } else if ((val_info & ((MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_GUARD)-(MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE))) == 0) {
- keep_gc = 1;
- } else if (Z_MODE(val_addr) == IS_CONST_ZVAL) {
- if (sizeof(void*) == 4) {
- keep_gc = 1;
- } else {
- zval *zv = Z_ZV(val_addr);
- if (Z_TYPE_P(zv) == IS_DOUBLE) {
- if (Z_DVAL_P(zv) == 0 || IS_SIGNED_32BIT(zv)) {
- keep_gc = 1;
- }
- } else if (IS_SIGNED_32BIT(Z_LVAL_P(zv))) {
- keep_gc = 1;
- }
- }
- } else if (Z_MODE(val_addr) == IS_MEM_ZVAL) {
- if ((val_info & (MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_GUARD)) == MAY_BE_DOUBLE) {
- keep_gc = 1;
- }
- }
- }
- if (!keep_gc) {
- | mov aword T1, Ra(tmp_reg) // save
- }
- if (!zend_jit_simple_assign(Dst, opline, var_addr, var_info, var_def_info, val_type, val_addr, val_info, res_addr, in_cold, 0)) {
- return 0;
- }
- if (!keep_gc) {
- | mov FCARG1a, aword T1 // restore
- }
- } else {
- | GET_ZVAL_PTR FCARG1a, var_use_addr
- if (!zend_jit_simple_assign(Dst, opline, var_addr, var_info, var_def_info, val_type, val_addr, val_info, res_addr, in_cold, 1)) {
- return 0;
- }
- }
- | GC_DELREF FCARG1a
- if (RC_MAY_BE_N(var_info) && (var_info & (MAY_BE_ARRAY|MAY_BE_OBJECT)) != 0) {
- | jnz >4
- } else {
- | jnz >8
- }
- | ZVAL_DTOR_FUNC var_info, opline
- if (in_cold || (RC_MAY_BE_N(var_info) && (var_info & (MAY_BE_ARRAY|MAY_BE_OBJECT)) != 0)) {
- if (check_exception) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | je >8
- | jmp ->exception_handler
- } else {
- | jmp >8
- }
- }
- if (RC_MAY_BE_N(var_info) && (var_info & (MAY_BE_ARRAY|MAY_BE_OBJECT)) != 0) {
- |4:
- | IF_GC_MAY_NOT_LEAK FCARG1a, >8
- | EXT_CALL gc_possible_root, r0
- if (in_cold) {
- | jmp >8
- }
- }
- if (in_cold) {
- |.code
- } else {
- done = 1;
- }
- } else /* if (RC_MAY_BE_N(var_info)) */ {
- if (var_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | IF_NOT_ZVAL_REFCOUNTED var_use_addr, >5
- }
- if (var_info & (MAY_BE_ARRAY|MAY_BE_OBJECT)) {
- if (Z_REG(var_use_addr) != ZREG_FP) {
- | mov T1, Ra(Z_REG(var_use_addr)) // save
- }
- | GET_ZVAL_PTR FCARG1a, var_use_addr
- | GC_DELREF FCARG1a
- | IF_GC_MAY_NOT_LEAK FCARG1a, >5
- | EXT_CALL gc_possible_root, r0
- if (Z_REG(var_use_addr) != ZREG_FP) {
- | mov Ra(Z_REG(var_use_addr)), T1 // restore
- }
- } else {
- | GET_ZVAL_PTR Ra(tmp_reg), var_use_addr
- | GC_DELREF Ra(tmp_reg)
- }
- |5:
- }
- }
- if (!done && !zend_jit_simple_assign(Dst, opline, var_addr, var_info, var_def_info, val_type, val_addr, val_info, res_addr, 0, 0)) {
- return 0;
- }
- |8:
- return 1;
- }
- static int zend_jit_assign_dim(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, uint32_t op2_info, uint32_t val_info, uint8_t dim_type, int may_throw)
- {
- zend_jit_addr op2_addr, op3_addr, res_addr;
- op2_addr = (opline->op2_type != IS_UNUSED) ? OP2_ADDR() : 0;
- op3_addr = OP1_DATA_ADDR();
- if (opline->result_type == IS_UNUSED) {
- res_addr = 0;
- } else {
- res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- }
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && (val_info & MAY_BE_UNDEF)) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_ZVAL_TYPE op3_addr, IS_UNDEF, &exit_addr
- val_info &= ~MAY_BE_UNDEF;
- }
- if (op1_info & MAY_BE_REF) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE FCARG1a, IS_REFERENCE, >1
- | GET_Z_PTR FCARG2a, FCARG1a
- | IF_NOT_TYPE byte [FCARG2a + offsetof(zend_reference, val) + offsetof(zval, u1.v.type)], IS_ARRAY, >2
- | lea FCARG1a, [FCARG2a + offsetof(zend_reference, val)]
- | jmp >3
- |.cold_code
- |2:
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_prepare_assign_dim_ref, r0
- | test r0, r0
- | mov FCARG1a, r0
- | jne >1
- | jmp ->exception_handler_undef
- |.code
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_ARRAY) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - MAY_BE_ARRAY)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_ARRAY, >7
- }
- |3:
- | SEPARATE_ARRAY op1_addr, op1_info, 1
- } else if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL)) {
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- | CMP_ZVAL_TYPE op1_addr, IS_NULL
- | jg >7
- }
- | // ZVAL_ARR(container, zend_new_array(8));
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov T1, Ra(Z_REG(op1_addr)) // save
- }
- | EXT_CALL _zend_new_array_0, r0
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov Ra(Z_REG(op1_addr)), T1 // restore
- }
- | SET_ZVAL_LVAL op1_addr, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_ARRAY_EX
- | mov FCARG1a, r0
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- |6:
- if (opline->op2_type == IS_UNUSED) {
- uint32_t var_info = MAY_BE_NULL;
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- | // var_ptr = zend_hash_next_index_insert(Z_ARRVAL_P(container), &EG(uninitialized_zval));
- | LOAD_ADDR_ZTS FCARG2a, executor_globals, uninitialized_zval
- | EXT_CALL zend_hash_next_index_insert, r0
- | // if (UNEXPECTED(!var_ptr)) {
- | test r0, r0
- | jz >1
- |.cold_code
- |1:
- | // zend_throw_error(NULL, "Cannot add element to the array as the next element is already occupied");
- | CANNOT_ADD_ELEMENT opline
- | //ZEND_VM_C_GOTO(assign_dim_op_ret_null);
- | jmp >9
- |.code
- if (!zend_jit_simple_assign(Dst, opline, var_addr, var_info, -1, (opline+1)->op1_type, op3_addr, val_info, res_addr, 0, 0)) {
- return 0;
- }
- } else {
- uint32_t var_info = zend_array_element_type(op1_info, opline->op1_type, 0, 0);
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- if (!zend_jit_fetch_dimension_address_inner(Dst, opline, BP_VAR_W, op1_info, op2_info, dim_type, NULL, NULL, NULL)) {
- return 0;
- }
- if (op1_info & (MAY_BE_ARRAY_OF_REF|MAY_BE_OBJECT)) {
- var_info |= MAY_BE_REF;
- }
- if (var_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- var_info |= MAY_BE_RC1;
- }
- |8:
- | // value = zend_assign_to_variable(variable_ptr, value, OP_DATA_TYPE);
- if (opline->op1_type == IS_VAR) {
- ZEND_ASSERT(opline->result_type == IS_UNUSED);
- if (!zend_jit_assign_to_variable_call(Dst, opline, var_addr, var_addr, var_info, -1, (opline+1)->op1_type, op3_addr, val_info, res_addr, 0)) {
- return 0;
- }
- } else {
- if (!zend_jit_assign_to_variable(Dst, opline, var_addr, var_addr, var_info, -1, (opline+1)->op1_type, op3_addr, val_info, res_addr, 0)) {
- return 0;
- }
- }
- }
- }
- if (((op1_info & MAY_BE_ARRAY) &&
- (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL))) ||
- (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY)))) {
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- |.cold_code
- |7:
- }
- if ((op1_info & (MAY_BE_UNDEF|MAY_BE_NULL)) &&
- (op1_info & MAY_BE_ARRAY)) {
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- | CMP_ZVAL_TYPE op1_addr, IS_NULL
- | jg >2
- }
- | // ZVAL_ARR(container, zend_new_array(8));
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov T1, Ra(Z_REG(op1_addr)) // save
- }
- | EXT_CALL _zend_new_array_0, r0
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov Ra(Z_REG(op1_addr)), T1 // restore
- }
- | SET_ZVAL_LVAL op1_addr, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_ARRAY_EX
- | mov FCARG1a, r0
- | // ZEND_VM_C_GOTO(assign_dim_op_new_array);
- | jmp <6
- |2:
- }
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- if (opline->op2_type == IS_UNUSED) {
- | xor FCARG2a, FCARG2a
- } else if (opline->op2_type == IS_CONST && Z_EXTRA_P(RT_CONSTANT(opline, opline->op2)) == ZEND_EXTRA_VALUE) {
- ZEND_ASSERT(Z_MODE(op2_addr) == IS_CONST_ZVAL);
- | LOAD_ADDR FCARG2a, (Z_ZV(op2_addr) + 1)
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- |.if not(X64)
- | sub r4, 8
- |.endif
- if (opline->result_type == IS_UNUSED) {
- |.if X64
- | xor CARG4, CARG4
- |.else
- | push 0
- |.endif
- } else {
- |.if X64
- | LOAD_ZVAL_ADDR CARG4, res_addr
- |.else
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- }
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, op3_addr
- |.else
- | PUSH_ZVAL_ADDR op3_addr, r0
- |.endif
- | EXT_CALL zend_jit_assign_dim_helper, r0
- |.if not(X64)
- | add r4, 8
- |.endif
- #ifdef ZEND_JIT_USE_RC_INFERENCE
- if (((opline+1)->op1_type & (IS_TMP_VAR|IS_VAR)) && (val_info & MAY_BE_RC1)) {
- /* ASSIGN_DIM may increase refcount of the value */
- val_info |= MAY_BE_RCN;
- }
- #endif
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, val_info, 0, NULL
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- | jmp >9 // END
- }
- |.code
- }
- }
- #ifdef ZEND_JIT_USE_RC_INFERENCE
- if ((opline->op2_type & (IS_TMP_VAR|IS_VAR)) && (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_ARRAY|MAY_BE_OBJECT))) {
- /* ASSIGN_DIM may increase refcount of the key */
- op2_info |= MAY_BE_RCN;
- }
- #endif
- |9:
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- if (may_throw) {
- zend_jit_check_exception(Dst);
- }
- return 1;
- }
- static int zend_jit_assign_dim_op(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, uint32_t op1_def_info, zend_jit_addr op1_addr, uint32_t op2_info, uint32_t op1_data_info, zend_ssa_range *op1_data_range, uint8_t dim_type, int may_throw)
- {
- zend_jit_addr op2_addr, op3_addr, var_addr;
- const void *not_found_exit_addr = NULL;
- uint32_t var_info = MAY_BE_NULL;
- ZEND_ASSERT(opline->result_type == IS_UNUSED);
- op2_addr = (opline->op2_type != IS_UNUSED) ? OP2_ADDR() : 0;
- op3_addr = OP1_DATA_ADDR();
- if (op1_info & MAY_BE_REF) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE FCARG1a, IS_REFERENCE, >1
- | GET_Z_PTR FCARG2a, FCARG1a
- | IF_NOT_TYPE byte [FCARG2a + offsetof(zend_reference, val) + offsetof(zval, u1.v.type)], IS_ARRAY, >2
- | lea FCARG1a, [FCARG2a + offsetof(zend_reference, val)]
- | jmp >3
- |.cold_code
- |2:
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_prepare_assign_dim_ref, r0
- | test r0, r0
- | mov FCARG1a, r0
- | jne >1
- | jmp ->exception_handler_undef
- |.code
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_ARRAY) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - MAY_BE_ARRAY)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_ARRAY, >7
- }
- |3:
- | SEPARATE_ARRAY op1_addr, op1_info, 1
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL)) {
- if (op1_info & MAY_BE_ARRAY) {
- |.cold_code
- |7:
- }
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- | CMP_ZVAL_TYPE op1_addr, IS_NULL
- | jg >7
- }
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov T1, Ra(Z_REG(op1_addr)) // save
- }
- if (op1_info & MAY_BE_UNDEF) {
- if (op1_info & MAY_BE_NULL) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- }
- | SET_EX_OPLINE opline, r0
- | mov FCARG1a, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- |1:
- }
- | // ZVAL_ARR(container, zend_new_array(8));
- | EXT_CALL _zend_new_array_0, r0
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov Ra(Z_REG(op1_addr)), T1 // restore
- }
- | SET_ZVAL_LVAL op1_addr, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_ARRAY_EX
- | mov FCARG1a, r0
- if (op1_info & MAY_BE_ARRAY) {
- | jmp >1
- |.code
- |1:
- }
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- uint32_t var_def_info = zend_array_element_type(op1_def_info, opline->op1_type, 1, 0);
- |6:
- if (opline->op2_type == IS_UNUSED) {
- var_info = MAY_BE_NULL;
- | // var_ptr = zend_hash_next_index_insert(Z_ARRVAL_P(container), &EG(uninitialized_zval));
- | LOAD_ADDR_ZTS FCARG2a, executor_globals, uninitialized_zval
- | EXT_CALL zend_hash_next_index_insert, r0
- | // if (UNEXPECTED(!var_ptr)) {
- | test r0, r0
- | jz >1
- |.cold_code
- |1:
- | // zend_throw_error(NULL, "Cannot add element to the array as the next element is already occupied");
- | CANNOT_ADD_ELEMENT opline
- | //ZEND_VM_C_GOTO(assign_dim_op_ret_null);
- | jmp >9
- |.code
- } else {
- var_info = zend_array_element_type(op1_info, opline->op1_type, 0, 0);
- if (op1_info & (MAY_BE_ARRAY_OF_REF|MAY_BE_OBJECT)) {
- var_info |= MAY_BE_REF;
- }
- if (var_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- var_info |= MAY_BE_RC1;
- }
- if (dim_type != IS_UNKNOWN
- && dim_type != IS_UNDEF
- && (op1_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_ARRAY
- && (op2_info & (MAY_BE_LONG|MAY_BE_STRING))
- && !(op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_LONG|MAY_BE_STRING)))) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- not_found_exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!not_found_exit_addr) {
- return 0;
- }
- }
- if (!zend_jit_fetch_dimension_address_inner(Dst, opline, BP_VAR_RW, op1_info, op2_info, dim_type, NULL, not_found_exit_addr, NULL)) {
- return 0;
- }
- |8:
- if (not_found_exit_addr && dim_type != IS_REFERENCE) {
- | IF_NOT_Z_TYPE, r0, dim_type, ¬_found_exit_addr
- var_info = (1 << dim_type) | (var_info & ~(MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF));
- }
- if (var_info & MAY_BE_REF) {
- binary_op_type binary_op = get_binary_op(opline->extended_value);
- | IF_NOT_Z_TYPE, r0, IS_REFERENCE, >1
- | GET_Z_PTR FCARG1a, r0
- | cmp aword [FCARG1a + offsetof(zend_reference, sources.ptr)], 0
- | jnz >2
- | lea r0, aword [FCARG1a + offsetof(zend_reference, val)]
- |.cold_code
- |2:
- | LOAD_ZVAL_ADDR FCARG2a, op3_addr
- |.if X64
- | LOAD_ADDR CARG3, binary_op
- |.else
- | sub r4, 12
- | PUSH_ADDR binary_op, r0
- |.endif
- | SET_EX_OPLINE opline, r0
- if (((opline+1)->op1_type & (IS_TMP_VAR|IS_VAR))
- && (op1_data_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | EXT_CALL zend_jit_assign_op_to_typed_ref_tmp, r0
- } else {
- | EXT_CALL zend_jit_assign_op_to_typed_ref, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- | jmp >9
- |.code
- |1:
- }
- }
- var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- switch (opline->extended_value) {
- case ZEND_ADD:
- case ZEND_SUB:
- case ZEND_MUL:
- case ZEND_DIV:
- if (!zend_jit_math_helper(Dst, opline, opline->extended_value, IS_CV, opline->op1, var_addr, var_info, (opline+1)->op1_type, (opline+1)->op1, op3_addr, op1_data_info, 0, var_addr, var_def_info, var_info,
- 1 /* may overflow */, may_throw)) {
- return 0;
- }
- break;
- case ZEND_BW_OR:
- case ZEND_BW_AND:
- case ZEND_BW_XOR:
- case ZEND_SL:
- case ZEND_SR:
- case ZEND_MOD:
- if (!zend_jit_long_math_helper(Dst, opline, opline->extended_value,
- IS_CV, opline->op1, var_addr, var_info, NULL,
- (opline+1)->op1_type, (opline+1)->op1, op3_addr, op1_data_info,
- op1_data_range,
- 0, var_addr, var_def_info, var_info, may_throw)) {
- return 0;
- }
- break;
- case ZEND_CONCAT:
- if (!zend_jit_concat_helper(Dst, opline, IS_CV, opline->op1, var_addr, var_info, (opline+1)->op1_type, (opline+1)->op1, op3_addr, op1_data_info, var_addr,
- may_throw)) {
- return 0;
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- }
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- binary_op_type binary_op;
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- |.cold_code
- |7:
- }
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- if (opline->op2_type == IS_UNUSED) {
- | xor FCARG2a, FCARG2a
- } else if (opline->op2_type == IS_CONST && Z_EXTRA_P(RT_CONSTANT(opline, opline->op2)) == ZEND_EXTRA_VALUE) {
- ZEND_ASSERT(Z_MODE(op2_addr) == IS_CONST_ZVAL);
- | LOAD_ADDR FCARG2a, (Z_ZV(op2_addr) + 1)
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- binary_op = get_binary_op(opline->extended_value);
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, op3_addr
- | LOAD_ADDR CARG4, binary_op
- |.else
- | sub r4, 8
- | PUSH_ADDR binary_op, r0
- | PUSH_ZVAL_ADDR op3_addr, r0
- |.endif
- | EXT_CALL zend_jit_assign_dim_op_helper, r0
- |.if not(X64)
- | add r4, 8
- |.endif
- |9:
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, op1_data_info, 0, NULL
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, NULL
- if (may_throw) {
- zend_jit_check_exception(Dst);
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- | jmp >9 // END
- |.code
- |9:
- }
- } else if ((op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY))
- && (!not_found_exit_addr || (var_info & MAY_BE_REF))) {
- |.cold_code
- |9:
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, op1_data_info, 0, opline
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- if (may_throw) {
- zend_jit_check_exception(Dst);
- }
- | jmp >9
- |.code
- |9:
- }
- return 1;
- }
- static int zend_jit_assign_op(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, uint32_t op1_def_info, zend_ssa_range *op1_range, uint32_t op2_info, zend_ssa_range *op2_range, int may_overflow, int may_throw)
- {
- zend_jit_addr op1_addr, op2_addr;
- ZEND_ASSERT(opline->op1_type == IS_CV && opline->result_type == IS_UNUSED);
- ZEND_ASSERT(!(op1_info & MAY_BE_UNDEF) && !(op2_info & MAY_BE_UNDEF));
- op1_addr = OP1_ADDR();
- op2_addr = OP2_ADDR();
- if (op1_info & MAY_BE_REF) {
- binary_op_type binary_op = get_binary_op(opline->extended_value);
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE, FCARG1a, IS_REFERENCE, >1
- | GET_Z_PTR FCARG1a, FCARG1a
- | cmp aword [FCARG1a + offsetof(zend_reference, sources.ptr)], 0
- | jnz >2
- | add FCARG1a, offsetof(zend_reference, val)
- |.cold_code
- |2:
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- |.if X64
- | LOAD_ADDR CARG3, binary_op
- |.else
- | sub r4, 12
- | PUSH_ADDR binary_op, r0
- |.endif
- | SET_EX_OPLINE opline, r0
- if ((opline->op2_type & (IS_TMP_VAR|IS_VAR))
- && (op2_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | EXT_CALL zend_jit_assign_op_to_typed_ref_tmp, r0
- } else {
- | EXT_CALL zend_jit_assign_op_to_typed_ref, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- zend_jit_check_exception(Dst);
- | jmp >9
- |.code
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- int result;
- switch (opline->extended_value) {
- case ZEND_ADD:
- case ZEND_SUB:
- case ZEND_MUL:
- case ZEND_DIV:
- result = zend_jit_math_helper(Dst, opline, opline->extended_value, opline->op1_type, opline->op1, op1_addr, op1_info, opline->op2_type, opline->op2, op2_addr, op2_info, opline->op1.var, op1_addr, op1_def_info, op1_info, may_overflow, may_throw);
- break;
- case ZEND_BW_OR:
- case ZEND_BW_AND:
- case ZEND_BW_XOR:
- case ZEND_SL:
- case ZEND_SR:
- case ZEND_MOD:
- result = zend_jit_long_math_helper(Dst, opline, opline->extended_value,
- opline->op1_type, opline->op1, op1_addr, op1_info, op1_range,
- opline->op2_type, opline->op2, op2_addr, op2_info, op2_range,
- opline->op1.var, op1_addr, op1_def_info, op1_info, may_throw);
- break;
- case ZEND_CONCAT:
- result = zend_jit_concat_helper(Dst, opline, opline->op1_type, opline->op1, op1_addr, op1_info, opline->op2_type, opline->op2, op2_addr, op2_info, op1_addr, may_throw);
- break;
- default:
- ZEND_UNREACHABLE();
- }
- |9:
- return result;
- }
- static int zend_jit_cmp_long_long(dasm_State **Dst,
- const zend_op *opline,
- zend_ssa_range *op1_range,
- zend_jit_addr op1_addr,
- zend_ssa_range *op2_range,
- zend_jit_addr op2_addr,
- zend_jit_addr res_addr,
- zend_uchar smart_branch_opcode,
- uint32_t target_label,
- uint32_t target_label2,
- const void *exit_addr,
- bool skip_comparison)
- {
- bool swap = 0;
- bool result;
- if (zend_jit_is_constant_cmp_long_long(opline, op1_range, op1_addr, op2_range, op2_addr, &result)) {
- if (!smart_branch_opcode ||
- smart_branch_opcode == ZEND_JMPZ_EX ||
- smart_branch_opcode == ZEND_JMPNZ_EX) {
- | SET_ZVAL_TYPE_INFO res_addr, (result ? IS_TRUE : IS_FALSE)
- }
- if (smart_branch_opcode && !exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ ||
- smart_branch_opcode == ZEND_JMPZ_EX) {
- if (!result) {
- | jmp => target_label
- }
- } else if (smart_branch_opcode == ZEND_JMPNZ ||
- smart_branch_opcode == ZEND_JMPNZ_EX) {
- if (result) {
- | jmp => target_label
- }
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- if (!result) {
- | jmp => target_label
- } else {
- | jmp => target_label2
- }
- } else {
- ZEND_UNREACHABLE();
- }
- }
- return 1;
- }
- if (skip_comparison) {
- if (Z_MODE(op1_addr) != IS_REG &&
- (Z_MODE(op2_addr) == IS_REG ||
- (Z_MODE(op1_addr) == IS_CONST_ZVAL && Z_MODE(op2_addr) != IS_CONST_ZVAL))) {
- swap = 1;
- }
- } else if (Z_MODE(op1_addr) == IS_REG) {
- if (Z_MODE(op2_addr) == IS_CONST_ZVAL && Z_LVAL_P(Z_ZV(op2_addr)) == 0) {
- | test Ra(Z_REG(op1_addr)), Ra(Z_REG(op1_addr))
- } else {
- | LONG_OP cmp, Z_REG(op1_addr), op2_addr, r0
- }
- } else if (Z_MODE(op2_addr) == IS_REG) {
- if (Z_MODE(op1_addr) == IS_CONST_ZVAL && Z_LVAL_P(Z_ZV(op1_addr)) == 0) {
- | test Ra(Z_REG(op2_addr)), Ra(Z_REG(op2_addr))
- } else {
- | LONG_OP cmp, Z_REG(op2_addr), op1_addr, r0
- }
- swap = 1;
- } else if (Z_MODE(op1_addr) == IS_CONST_ZVAL && Z_MODE(op2_addr) != IS_CONST_ZVAL) {
- | LONG_OP_WITH_CONST cmp, op2_addr, Z_LVAL_P(Z_ZV(op1_addr))
- swap = 1;
- } else if (Z_MODE(op2_addr) == IS_CONST_ZVAL && Z_MODE(op1_addr) != IS_CONST_ZVAL) {
- | LONG_OP_WITH_CONST cmp, op1_addr, Z_LVAL_P(Z_ZV(op2_addr))
- } else {
- | GET_ZVAL_LVAL ZREG_R0, op1_addr
- if (Z_MODE(op2_addr) == IS_CONST_ZVAL && Z_LVAL_P(Z_ZV(op2_addr)) == 0) {
- | test r0, r0
- } else {
- | LONG_OP cmp, ZREG_R0, op2_addr, r0
- }
- }
- if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ_EX ||
- smart_branch_opcode == ZEND_JMPNZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | sete al
- break;
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_NOT_IDENTICAL:
- | setne al
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- | setg al
- } else {
- | setl al
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- | setge al
- } else {
- | setle al
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | movzx eax, al
- | lea eax, [eax + 2]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- if (smart_branch_opcode == ZEND_JMPZ ||
- smart_branch_opcode == ZEND_JMPZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- if (exit_addr) {
- | jne &exit_addr
- } else {
- | jne => target_label
- }
- break;
- case ZEND_IS_NOT_EQUAL:
- if (exit_addr) {
- | je &exit_addr
- } else {
- | je => target_label
- }
- break;
- case ZEND_IS_NOT_IDENTICAL:
- if (exit_addr) {
- | jne &exit_addr
- } else {
- | je => target_label
- }
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- if (exit_addr) {
- | jle &exit_addr
- } else {
- | jle => target_label
- }
- } else {
- if (exit_addr) {
- | jge &exit_addr
- } else {
- | jge => target_label
- }
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- if (exit_addr) {
- | jl &exit_addr
- } else {
- | jl => target_label
- }
- } else {
- if (exit_addr) {
- | jg &exit_addr
- } else {
- | jg => target_label
- }
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else if (smart_branch_opcode == ZEND_JMPNZ ||
- smart_branch_opcode == ZEND_JMPNZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- if (exit_addr) {
- | je &exit_addr
- } else {
- | je => target_label
- }
- break;
- case ZEND_IS_NOT_EQUAL:
- if (exit_addr) {
- | jne &exit_addr
- } else {
- | jne => target_label
- }
- break;
- case ZEND_IS_NOT_IDENTICAL:
- if (exit_addr) {
- | je &exit_addr
- } else {
- | jne => target_label
- }
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- if (exit_addr) {
- | jg &exit_addr
- } else {
- | jg => target_label
- }
- } else {
- if (exit_addr) {
- | jl &exit_addr
- } else {
- | jl => target_label
- }
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- if (exit_addr) {
- | jge &exit_addr
- } else {
- | jge => target_label
- }
- } else {
- if (exit_addr) {
- | jle &exit_addr
- } else {
- | jle => target_label
- }
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | jne => target_label
- break;
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_NOT_IDENTICAL:
- | je => target_label
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- | jle => target_label
- } else {
- | jge => target_label
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- | jl => target_label
- } else {
- | jg => target_label
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | jmp => target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | sete al
- break;
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_NOT_IDENTICAL:
- | setne al
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- | setg al
- } else {
- | setl al
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- | setge al
- } else {
- | setle al
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | movzx eax, al
- | add eax, 2
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- return 1;
- }
- static int zend_jit_cmp_double_common(dasm_State **Dst, const zend_op *opline, zend_jit_addr res_addr, bool swap, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- if (exit_addr) {
- | jne &exit_addr
- | jp &exit_addr
- } else {
- | jne => target_label
- | jp => target_label
- }
- break;
- case ZEND_IS_NOT_EQUAL:
- | jp >1
- if (exit_addr) {
- | je &exit_addr
- } else {
- | je => target_label
- }
- |1:
- break;
- case ZEND_IS_NOT_IDENTICAL:
- if (exit_addr) {
- | jne &exit_addr
- | jp &exit_addr
- } else {
- | jp >1
- | je => target_label
- |1:
- }
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- if (exit_addr) {
- | jbe &exit_addr
- } else {
- | jbe => target_label
- }
- } else {
- if (exit_addr) {
- | jae &exit_addr
- | jp &exit_addr
- } else {
- | jae => target_label
- | jp => target_label
- }
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- if (exit_addr) {
- | jb &exit_addr
- } else {
- | jb => target_label
- }
- } else {
- if (exit_addr) {
- | ja &exit_addr
- | jp &exit_addr
- } else {
- | ja => target_label
- | jp => target_label
- }
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | jp >1
- if (exit_addr) {
- | je &exit_addr
- } else {
- | je => target_label
- }
- |1:
- break;
- case ZEND_IS_NOT_EQUAL:
- if (exit_addr) {
- | jne &exit_addr
- | jp &exit_addr
- } else {
- | jne => target_label
- | jp => target_label
- }
- break;
- case ZEND_IS_NOT_IDENTICAL:
- if (exit_addr) {
- | jp >1
- | je &exit_addr
- |1:
- } else {
- | jne => target_label
- | jp => target_label
- }
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- if (exit_addr) {
- | ja &exit_addr
- } else {
- | ja => target_label
- }
- } else {
- | jp >1
- if (exit_addr) {
- | jb &exit_addr
- } else {
- | jb => target_label
- }
- |1:
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- if (exit_addr) {
- | jae &exit_addr
- } else {
- | jae => target_label
- }
- } else {
- | jp >1
- if (exit_addr) {
- | jbe &exit_addr
- } else {
- | jbe => target_label
- }
- |1:
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | jne => target_label
- | jp => target_label
- break;
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_NOT_IDENTICAL:
- | jp => target_label2
- | je => target_label
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- | jbe => target_label
- } else {
- | jae => target_label
- | jp => target_label
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- | jb => target_label
- } else {
- | ja => target_label
- | jp => target_label
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | jmp => target_label2
- } else if (smart_branch_opcode == ZEND_JMPZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | jne => target_label
- | jp => target_label
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- break;
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_NOT_IDENTICAL:
- | jp >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | je => target_label
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | jbe => target_label
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | jae => target_label
- | jp => target_label
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | jb => target_label
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | ja => target_label
- | jp => target_label
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else if (smart_branch_opcode == ZEND_JMPNZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | jp >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- | je => target_label
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- break;
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_NOT_IDENTICAL:
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- | jne => target_label
- | jp => target_label
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- | seta al
- | movzx eax, al
- | lea eax, [eax + 2]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- | ja => target_label
- } else {
- | jp >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- | jb => target_label
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- | setae al
- | movzx eax, al
- | lea eax, [eax + 2]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- | jae => target_label
- } else {
- | jp >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- | jbe => target_label
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_CASE:
- case ZEND_CASE_STRICT:
- | jp >1
- | mov eax, IS_TRUE
- | je >2
- |1:
- | mov eax, IS_FALSE
- |2:
- break;
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_NOT_IDENTICAL:
- | jp >1
- | mov eax, IS_FALSE
- | je >2
- |1:
- | mov eax, IS_TRUE
- |2:
- break;
- case ZEND_IS_SMALLER:
- if (swap) {
- | seta al
- | movzx eax, al
- | add eax, 2
- } else {
- | jp >1
- | mov eax, IS_TRUE
- | jb >2
- |1:
- | mov eax, IS_FALSE
- |2:
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (swap) {
- | setae al
- | movzx eax, al
- | add eax, 2
- } else {
- | jp >1
- | mov eax, IS_TRUE
- | jbe >2
- |1:
- | mov eax, IS_FALSE
- |2:
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- return 1;
- }
- static int zend_jit_cmp_long_double(dasm_State **Dst, const zend_op *opline, zend_jit_addr op1_addr, zend_jit_addr op2_addr, zend_jit_addr res_addr, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- zend_reg tmp_reg = ZREG_XMM0;
- | DOUBLE_GET_ZVAL_LVAL tmp_reg, op1_addr, ZREG_R0
- | DOUBLE_CMP tmp_reg, op2_addr
- return zend_jit_cmp_double_common(Dst, opline, res_addr, 0, smart_branch_opcode, target_label, target_label2, exit_addr);
- }
- static int zend_jit_cmp_double_long(dasm_State **Dst, const zend_op *opline, zend_jit_addr op1_addr, zend_jit_addr op2_addr, zend_jit_addr res_addr, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- zend_reg tmp_reg = ZREG_XMM0;
- | DOUBLE_GET_ZVAL_LVAL tmp_reg, op2_addr, ZREG_R0
- | DOUBLE_CMP tmp_reg, op1_addr
- return zend_jit_cmp_double_common(Dst, opline, res_addr, /* swap */ 1, smart_branch_opcode, target_label, target_label2, exit_addr);
- }
- static int zend_jit_cmp_double_double(dasm_State **Dst, const zend_op *opline, zend_jit_addr op1_addr, zend_jit_addr op2_addr, zend_jit_addr res_addr, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- bool swap = 0;
- if (Z_MODE(op1_addr) == IS_REG) {
- | DOUBLE_CMP Z_REG(op1_addr), op2_addr
- } else if (Z_MODE(op2_addr) == IS_REG) {
- | DOUBLE_CMP Z_REG(op2_addr), op1_addr
- swap = 1;
- } else {
- zend_reg tmp_reg = ZREG_XMM0;
- | DOUBLE_GET_ZVAL_DVAL tmp_reg, op1_addr
- | DOUBLE_CMP tmp_reg, op2_addr
- }
- return zend_jit_cmp_double_common(Dst, opline, res_addr, swap, smart_branch_opcode, target_label, target_label2, exit_addr);
- }
- static int zend_jit_cmp_slow(dasm_State **Dst, const zend_op *opline, zend_jit_addr res_addr, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- | test, eax, eax
- if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ_EX ||
- smart_branch_opcode == ZEND_JMPNZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_CASE:
- | sete al
- break;
- case ZEND_IS_NOT_EQUAL:
- | setne al
- break;
- case ZEND_IS_SMALLER:
- | setl al
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- | setle al
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | movzx eax, al
- | lea eax, [eax + 2]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- if (smart_branch_opcode == ZEND_JMPZ ||
- smart_branch_opcode == ZEND_JMPZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_CASE:
- if (exit_addr) {
- | jne &exit_addr
- } else {
- | jne => target_label
- }
- break;
- case ZEND_IS_NOT_EQUAL:
- if (exit_addr) {
- | je &exit_addr
- } else {
- | je => target_label
- }
- break;
- case ZEND_IS_SMALLER:
- if (exit_addr) {
- | jge &exit_addr
- } else {
- | jge => target_label
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (exit_addr) {
- | jg &exit_addr
- } else {
- | jg => target_label
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else if (smart_branch_opcode == ZEND_JMPNZ ||
- smart_branch_opcode == ZEND_JMPNZ_EX) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_CASE:
- if (exit_addr) {
- | je &exit_addr
- } else {
- | je => target_label
- }
- break;
- case ZEND_IS_NOT_EQUAL:
- if (exit_addr) {
- | jne &exit_addr
- } else {
- | jne => target_label
- }
- break;
- case ZEND_IS_SMALLER:
- if (exit_addr) {
- | jl &exit_addr
- } else {
- | jl => target_label
- }
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- if (exit_addr) {
- | jle &exit_addr
- } else {
- | jle => target_label
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_CASE:
- | jne => target_label
- break;
- case ZEND_IS_NOT_EQUAL:
- | je => target_label
- break;
- case ZEND_IS_SMALLER:
- | jge => target_label
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- | jg => target_label
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | jmp => target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- switch (opline->opcode) {
- case ZEND_IS_EQUAL:
- case ZEND_CASE:
- | sete al
- break;
- case ZEND_IS_NOT_EQUAL:
- | setne al
- break;
- case ZEND_IS_SMALLER:
- | setl al
- break;
- case ZEND_IS_SMALLER_OR_EQUAL:
- | setle al
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | movzx eax, al
- | add eax, 2
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- return 1;
- }
- static int zend_jit_cmp(dasm_State **Dst,
- const zend_op *opline,
- uint32_t op1_info,
- zend_ssa_range *op1_range,
- zend_jit_addr op1_addr,
- uint32_t op2_info,
- zend_ssa_range *op2_range,
- zend_jit_addr op2_addr,
- zend_jit_addr res_addr,
- int may_throw,
- zend_uchar smart_branch_opcode,
- uint32_t target_label,
- uint32_t target_label2,
- const void *exit_addr,
- bool skip_comparison)
- {
- bool same_ops = (opline->op1_type == opline->op2_type) && (opline->op1.var == opline->op2.var);
- bool has_slow;
- has_slow =
- (op1_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- (op2_info & (MAY_BE_LONG|MAY_BE_DOUBLE)) &&
- ((op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) ||
- (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))));
- if ((op1_info & MAY_BE_LONG) && (op2_info & MAY_BE_LONG)) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG)) {
- if (op1_info & MAY_BE_DOUBLE) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >4
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >9
- }
- }
- if (!same_ops && (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG))) {
- if (op2_info & MAY_BE_DOUBLE) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >3
- |.cold_code
- |3:
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >9
- }
- if (!zend_jit_cmp_long_double(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- | jmp >6
- |.code
- } else {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >9
- }
- }
- if (!zend_jit_cmp_long_long(Dst, opline, op1_range, op1_addr, op2_range, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr, skip_comparison)) {
- return 0;
- }
- if (op1_info & MAY_BE_DOUBLE) {
- |.cold_code
- |4:
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >9
- }
- if (op2_info & MAY_BE_DOUBLE) {
- if (!same_ops && (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_DOUBLE))) {
- if (!same_ops) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >5
- } else {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >9
- }
- }
- if (!zend_jit_cmp_double_double(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- | jmp >6
- }
- if (!same_ops) {
- |5:
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >9
- }
- if (!zend_jit_cmp_double_long(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- | jmp >6
- }
- |.code
- }
- } else if ((op1_info & MAY_BE_DOUBLE) &&
- !(op1_info & MAY_BE_LONG) &&
- (op2_info & (MAY_BE_LONG|MAY_BE_DOUBLE))) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_DOUBLE)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >9
- }
- if (op2_info & MAY_BE_DOUBLE) {
- if (!same_ops && (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_DOUBLE))) {
- if (!same_ops && (op2_info & MAY_BE_LONG)) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >3
- } else {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >9
- }
- }
- if (!zend_jit_cmp_double_double(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- }
- if (!same_ops && (op2_info & MAY_BE_LONG)) {
- if (op2_info & MAY_BE_DOUBLE) {
- |.cold_code
- }
- |3:
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_DOUBLE|MAY_BE_LONG))) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_LONG, >9
- }
- if (!zend_jit_cmp_double_long(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- if (op2_info & MAY_BE_DOUBLE) {
- | jmp >6
- |.code
- }
- }
- } else if ((op2_info & MAY_BE_DOUBLE) &&
- !(op2_info & MAY_BE_LONG) &&
- (op1_info & (MAY_BE_LONG|MAY_BE_DOUBLE))) {
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_DOUBLE)) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_DOUBLE, >9
- }
- if (op1_info & MAY_BE_DOUBLE) {
- if (!same_ops && (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_DOUBLE))) {
- if (!same_ops && (op1_info & MAY_BE_LONG)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >3
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_DOUBLE, >9
- }
- }
- if (!zend_jit_cmp_double_double(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- }
- if (!same_ops && (op1_info & MAY_BE_LONG)) {
- if (op1_info & MAY_BE_DOUBLE) {
- |.cold_code
- }
- |3:
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_DOUBLE|MAY_BE_LONG))) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >9
- }
- if (!zend_jit_cmp_long_double(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- if (op1_info & MAY_BE_DOUBLE) {
- | jmp >6
- |.code
- }
- }
- }
- if (has_slow ||
- (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) ||
- (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE)))) {
- if (has_slow) {
- |.cold_code
- |9:
- }
- | SET_EX_OPLINE opline, r0
- if (Z_MODE(op1_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op1.var);
- if (!zend_jit_spill_store(Dst, op1_addr, real_addr, op1_info, 1)) {
- return 0;
- }
- op1_addr = real_addr;
- }
- if (Z_MODE(op2_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op2.var);
- if (!zend_jit_spill_store(Dst, op2_addr, real_addr, op2_info, 1)) {
- return 0;
- }
- op2_addr = real_addr;
- }
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- if (opline->op1_type == IS_CV && (op1_info & MAY_BE_UNDEF)) {
- | IF_NOT_Z_TYPE FCARG1a, IS_UNDEF, >1
- | mov FCARG1a, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- | LOAD_ADDR_ZTS FCARG1a, executor_globals, uninitialized_zval
- |1:
- }
- if (opline->op2_type == IS_CV && (op2_info & MAY_BE_UNDEF)) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_UNDEF, >1
- | mov T1, FCARG1a // save
- | mov FCARG1a, opline->op2.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- | mov FCARG1a, T1 // restore
- | LOAD_ADDR_ZTS FCARG2a, executor_globals, uninitialized_zval
- | jmp >2
- |1:
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- |2:
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- | EXT_CALL zend_compare, r0
- if ((opline->opcode != ZEND_CASE &&
- (opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF))) ||
- ((opline->op2_type & (IS_VAR|IS_TMP_VAR)) &&
- (op2_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)))) {
- | mov dword T1, eax // save
- if (opline->opcode != ZEND_CASE) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 0, NULL
- }
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, NULL
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- | mov eax, dword T1 // restore
- } else if (may_throw) {
- #if ZTS
- | mov dword T1, eax // save
- #else
- if ((sizeof(void*) == 8 && !IS_SIGNED_32BIT(&EG(exception)))) {
- | mov dword T1, eax // save
- }
- #endif
- zend_jit_check_exception_undef_result(Dst, opline);
- #if ZTS
- | mov eax, dword T1 // restore
- #else
- if ((sizeof(void*) == 8 && !IS_SIGNED_32BIT(&EG(exception)))) {
- | mov eax, dword T1 // restore
- }
- #endif
- }
- if (!zend_jit_cmp_slow(Dst, opline, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- if (has_slow) {
- | jmp >6
- |.code
- }
- }
- |6:
- return 1;
- }
- static int zend_jit_identical(dasm_State **Dst,
- const zend_op *opline,
- uint32_t op1_info,
- zend_ssa_range *op1_range,
- zend_jit_addr op1_addr,
- uint32_t op2_info,
- zend_ssa_range *op2_range,
- zend_jit_addr op2_addr,
- zend_jit_addr res_addr,
- int may_throw,
- zend_uchar smart_branch_opcode,
- uint32_t target_label,
- uint32_t target_label2,
- const void *exit_addr,
- bool skip_comparison)
- {
- uint32_t identical_label = (uint32_t)-1;
- uint32_t not_identical_label = (uint32_t)-1;
- if (smart_branch_opcode && !exit_addr) {
- if (opline->opcode != ZEND_IS_NOT_IDENTICAL) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- not_identical_label = target_label;
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- identical_label = target_label;
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- not_identical_label = target_label;
- identical_label = target_label2;
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- if (smart_branch_opcode == ZEND_JMPZ) {
- identical_label = target_label;
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- not_identical_label = target_label;
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- identical_label = target_label;
- not_identical_label = target_label2;
- } else {
- ZEND_UNREACHABLE();
- }
- }
- }
- if ((op1_info & (MAY_BE_REF|MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_LONG &&
- (op2_info & (MAY_BE_REF|MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_LONG) {
- if (!zend_jit_cmp_long_long(Dst, opline, op1_range, op1_addr, op2_range, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr, skip_comparison)) {
- return 0;
- }
- return 1;
- } else if ((op1_info & (MAY_BE_REF|MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_DOUBLE &&
- (op2_info & (MAY_BE_REF|MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_DOUBLE) {
- if (!zend_jit_cmp_double_double(Dst, opline, op1_addr, op2_addr, res_addr, smart_branch_opcode, target_label, target_label2, exit_addr)) {
- return 0;
- }
- return 1;
- }
- if ((op1_info & MAY_BE_UNDEF) && (op2_info & MAY_BE_UNDEF)) {
- op1_info |= MAY_BE_NULL;
- op2_info |= MAY_BE_NULL;
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_Z_TYPE FCARG1a, IS_UNDEF, >1
- |.cold_code
- |1:
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- | LOAD_ADDR_ZTS FCARG1a, executor_globals, uninitialized_zval
- | jmp >1
- |.code
- |1:
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- | IF_Z_TYPE FCARG2a, IS_UNDEF, >1
- |.cold_code
- |1:
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- | SET_EX_OPLINE opline, r0
- | mov aword T1, FCARG1a // save
- | mov FCARG1d, opline->op2.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- | mov FCARG1a, aword T1 // restore
- | LOAD_ADDR_ZTS FCARG2a, executor_globals, uninitialized_zval
- | jmp >1
- |.code
- |1:
- } else if (op1_info & MAY_BE_UNDEF) {
- op1_info |= MAY_BE_NULL;
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_Z_TYPE FCARG1a, IS_UNDEF, >1
- |.cold_code
- |1:
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- | LOAD_ADDR_ZTS FCARG1a, executor_globals, uninitialized_zval
- | jmp >1
- |.code
- |1:
- if (opline->op2_type != IS_CONST) {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- } else if (op2_info & MAY_BE_UNDEF) {
- op2_info |= MAY_BE_NULL;
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- | IF_Z_TYPE FCARG2a, IS_UNDEF, >1
- |.cold_code
- |1:
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, opline->op2.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- | LOAD_ADDR_ZTS FCARG2a, executor_globals, uninitialized_zval
- | jmp >1
- |.code
- |1:
- if (opline->op1_type != IS_CONST) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- } else if ((op1_info & op2_info & MAY_BE_ANY) != 0) {
- if (opline->op1_type != IS_CONST) {
- if (Z_MODE(op1_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op1.var);
- if (!zend_jit_spill_store(Dst, op1_addr, real_addr, op1_info, 1)) {
- return 0;
- }
- op1_addr = real_addr;
- }
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- if (opline->op2_type != IS_CONST) {
- if (Z_MODE(op2_addr) == IS_REG) {
- zend_jit_addr real_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op2.var);
- if (!zend_jit_spill_store(Dst, op2_addr, real_addr, op2_info, 1)) {
- return 0;
- }
- op2_addr = real_addr;
- }
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- }
- if ((op1_info & op2_info & MAY_BE_ANY) == 0) {
- if ((opline->opcode != ZEND_CASE_STRICT &&
- (opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF))) ||
- ((opline->op2_type & (IS_VAR|IS_TMP_VAR)) &&
- (op2_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)))) {
- if (opline->opcode != ZEND_CASE_STRICT) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- | FREE_OP opline->op2_type, opline->op2, op2_info, 1, opline
- }
- if (smart_branch_opcode) {
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp &exit_addr
- }
- } else if (not_identical_label != (uint32_t)-1) {
- | jmp =>not_identical_label
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, (opline->opcode != ZEND_IS_NOT_IDENTICAL ? IS_FALSE : IS_TRUE)
- if (may_throw) {
- zend_jit_check_exception(Dst);
- }
- }
- return 1;
- }
- if (opline->op1_type & (IS_CV|IS_VAR)) {
- | ZVAL_DEREF FCARG1a, op1_info
- }
- if (opline->op2_type & (IS_CV|IS_VAR)) {
- | ZVAL_DEREF FCARG2a, op2_info
- }
- if (has_concrete_type(op1_info)
- && has_concrete_type(op2_info)
- && concrete_type(op1_info) == concrete_type(op2_info)
- && concrete_type(op1_info) <= IS_TRUE) {
- if (smart_branch_opcode) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- }
- } else if (identical_label != (uint32_t)-1) {
- | jmp =>identical_label
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, (opline->opcode != ZEND_IS_NOT_IDENTICAL ? IS_TRUE : IS_FALSE)
- }
- } else if (Z_MODE(op1_addr) == IS_CONST_ZVAL && Z_MODE(op2_addr) == IS_CONST_ZVAL) {
- if (zend_is_identical(Z_ZV(op1_addr), Z_ZV(op2_addr))) {
- if (smart_branch_opcode) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- }
- } else if (identical_label != (uint32_t)-1) {
- | jmp =>identical_label
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, (opline->opcode != ZEND_IS_NOT_IDENTICAL ? IS_TRUE : IS_FALSE)
- }
- } else {
- if (smart_branch_opcode) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp &exit_addr
- }
- } else if (not_identical_label != (uint32_t)-1) {
- | jmp =>not_identical_label
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, (opline->opcode != ZEND_IS_NOT_IDENTICAL ? IS_FALSE : IS_TRUE)
- }
- }
- } else if (Z_MODE(op1_addr) == IS_CONST_ZVAL && Z_TYPE_P(Z_ZV(op1_addr)) <= IS_TRUE) {
- zval *val = Z_ZV(op1_addr);
- | cmp byte [FCARG2a + offsetof(zval, u1.v.type)], Z_TYPE_P(val)
- if (smart_branch_opcode) {
- if (opline->op2_type == IS_VAR && (op2_info & MAY_BE_REF)) {
- | jne >8
- | FREE_OP opline->op2_type, opline->op2, op2_info, 1, opline
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- if (exit_addr && smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- } else if (identical_label != (uint32_t)-1) {
- | jmp =>identical_label
- } else {
- | jmp >9
- }
- |8:
- } else if (exit_addr && smart_branch_opcode == ZEND_JMPNZ) {
- | je &exit_addr
- } else if (identical_label != (uint32_t)-1) {
- | je =>identical_label
- } else {
- | je >9
- }
- } else {
- if (opline->opcode != ZEND_IS_NOT_IDENTICAL) {
- | sete al
- } else {
- | setne al
- }
- | movzx eax, al
- | lea eax, [eax + 2]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- if ((opline->op2_type & (IS_VAR|IS_TMP_VAR)) &&
- (op2_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF))) {
- | FREE_OP opline->op2_type, opline->op2, op2_info, 1, opline
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- }
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp &exit_addr
- }
- } else if (smart_branch_opcode && not_identical_label != (uint32_t)-1) {
- | jmp =>not_identical_label
- }
- } else if (Z_MODE(op2_addr) == IS_CONST_ZVAL && Z_TYPE_P(Z_ZV(op2_addr)) <= IS_TRUE) {
- zval *val = Z_ZV(op2_addr);
- | cmp byte [FCARG1a + offsetof(zval, u1.v.type)], Z_TYPE_P(val)
- if (smart_branch_opcode) {
- if (opline->opcode != ZEND_CASE_STRICT
- && opline->op1_type == IS_VAR && (op1_info & MAY_BE_REF)) {
- | jne >8
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- if (exit_addr && smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- } else if (identical_label != (uint32_t)-1) {
- | jmp =>identical_label
- } else {
- | jmp >9
- }
- |8:
- } else if (exit_addr && smart_branch_opcode == ZEND_JMPNZ) {
- | je &exit_addr
- } else if (identical_label != (uint32_t)-1) {
- | je =>identical_label
- } else {
- | je >9
- }
- } else {
- if (opline->opcode != ZEND_IS_NOT_IDENTICAL) {
- | sete al
- } else {
- | setne al
- }
- | movzx eax, al
- | lea eax, [eax + 2]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- if (opline->opcode != ZEND_CASE_STRICT
- && (opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF))) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- }
- if (smart_branch_opcode) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp &exit_addr
- }
- } else if (not_identical_label != (uint32_t)-1) {
- | jmp =>not_identical_label
- }
- }
- } else {
- if (opline->op1_type == IS_CONST) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- if (opline->op2_type == IS_CONST) {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- | EXT_CALL zend_is_identical, r0
- if ((opline->opcode != ZEND_CASE_STRICT &&
- (opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF))) ||
- ((opline->op2_type & (IS_VAR|IS_TMP_VAR)) &&
- (op2_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)))) {
- | mov aword T1, r0 // save
- if (opline->opcode != ZEND_CASE_STRICT) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- | FREE_OP opline->op2_type, opline->op2, op2_info, 1, opline
- if (may_throw) {
- zend_jit_check_exception_undef_result(Dst, opline);
- }
- | mov r0, aword T1 // restore
- }
- if (smart_branch_opcode) {
- | test al, al
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jnz &exit_addr
- } else {
- | jz &exit_addr
- }
- } else if (not_identical_label != (uint32_t)-1) {
- | jz =>not_identical_label
- if (identical_label != (uint32_t)-1) {
- | jmp =>identical_label
- }
- } else if (identical_label != (uint32_t)-1) {
- | jnz =>identical_label
- }
- } else {
- | movzx eax, al
- if (opline->opcode != ZEND_IS_NOT_IDENTICAL) {
- | lea eax, [eax + 2]
- } else {
- | neg eax
- | lea eax, [eax + 3]
- }
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- }
- |9:
- if (may_throw) {
- zend_jit_check_exception(Dst);
- }
- return 1;
- }
- static int zend_jit_bool_jmpznz(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, zend_jit_addr res_addr, uint32_t target_label, uint32_t target_label2, int may_throw, zend_uchar branch_opcode, const void *exit_addr)
- {
- uint32_t true_label = -1;
- uint32_t false_label = -1;
- bool set_bool = 0;
- bool set_bool_not = 0;
- bool set_delayed = 0;
- bool jmp_done = 0;
- if (branch_opcode == ZEND_BOOL) {
- set_bool = 1;
- } else if (branch_opcode == ZEND_BOOL_NOT) {
- set_bool = 1;
- set_bool_not = 1;
- } else if (branch_opcode == ZEND_JMPZ) {
- false_label = target_label;
- } else if (branch_opcode == ZEND_JMPNZ) {
- true_label = target_label;
- } else if (branch_opcode == ZEND_JMPZNZ) {
- true_label = target_label2;
- false_label = target_label;
- } else if (branch_opcode == ZEND_JMPZ_EX) {
- set_bool = 1;
- false_label = target_label;
- } else if (branch_opcode == ZEND_JMPNZ_EX) {
- set_bool = 1;
- true_label = target_label;
- } else {
- ZEND_UNREACHABLE();
- }
- if (Z_MODE(op1_addr) == IS_CONST_ZVAL) {
- if (zend_is_true(Z_ZV(op1_addr))) {
- /* Always TRUE */
- if (set_bool) {
- if (set_bool_not) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- }
- }
- if (true_label != (uint32_t)-1) {
- | jmp =>true_label;
- }
- } else {
- /* Always FALSE */
- if (set_bool) {
- if (set_bool_not) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- }
- }
- if (false_label != (uint32_t)-1) {
- | jmp =>false_label;
- }
- }
- return 1;
- }
- if (opline->op1_type == IS_CV && (op1_info & MAY_BE_REF)) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE)) {
- if (!(op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY)-MAY_BE_TRUE))) {
- /* Always TRUE */
- if (set_bool) {
- if (set_bool_not) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- }
- }
- if (true_label != (uint32_t)-1) {
- | jmp =>true_label;
- }
- } else {
- if (!(op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_FALSE)))) {
- /* Always FALSE */
- if (set_bool) {
- if (set_bool_not) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- }
- }
- } else {
- | CMP_ZVAL_TYPE op1_addr, IS_TRUE
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE))) {
- if ((op1_info & MAY_BE_LONG) &&
- !(op1_info & MAY_BE_UNDEF) &&
- !set_bool) {
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPNZ) {
- | jl >9
- } else {
- | jl &exit_addr
- }
- } else if (false_label != (uint32_t)-1) {
- | jl =>false_label
- } else {
- | jl >9
- }
- jmp_done = 1;
- } else {
- | jg >2
- }
- }
- if (!(op1_info & MAY_BE_TRUE)) {
- /* It's FALSE */
- if (set_bool) {
- if (set_bool_not) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- }
- }
- } else {
- if (exit_addr) {
- if (set_bool) {
- | jne >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | jmp &exit_addr
- } else {
- | jmp >9
- }
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- if (branch_opcode == ZEND_JMPZ || branch_opcode == ZEND_JMPZ_EX) {
- if (!(op1_info & (MAY_BE_UNDEF|MAY_BE_LONG))) {
- | jne &exit_addr
- }
- }
- } else {
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | je &exit_addr
- } else if (!(op1_info & (MAY_BE_UNDEF|MAY_BE_LONG))) {
- | jne &exit_addr
- } else {
- | je >9
- }
- }
- } else if (true_label != (uint32_t)-1 || false_label != (uint32_t)-1) {
- if (set_bool) {
- | jne >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- if (true_label != (uint32_t)-1) {
- | jmp =>true_label
- } else {
- | jmp >9
- }
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- } else {
- if (true_label != (uint32_t)-1) {
- | je =>true_label
- } else if (!(op1_info & (MAY_BE_UNDEF|MAY_BE_LONG))) {
- | jne =>false_label
- jmp_done = 1;
- } else {
- | je >9
- }
- }
- } else if (set_bool) {
- | sete al
- | movzx eax, al
- if (set_bool_not) {
- | neg eax
- | add eax, 3
- } else {
- | add eax, 2
- }
- if ((op1_info & MAY_BE_UNDEF) && (op1_info & MAY_BE_ANY)) {
- set_delayed = 1;
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- }
- }
- }
- /* It's FALSE, but may be UNDEF */
- if (op1_info & MAY_BE_UNDEF) {
- if (op1_info & MAY_BE_ANY) {
- if (set_delayed) {
- | CMP_ZVAL_TYPE op1_addr, IS_UNDEF
- | SET_ZVAL_TYPE_INFO res_addr, eax
- | jz >1
- } else {
- | IF_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- }
- |.cold_code
- |1:
- }
- | mov FCARG1d, opline->op1.var
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_undefined_op_helper, r0
- if (may_throw) {
- if (!zend_jit_check_exception_undef_result(Dst, opline)) {
- return 0;
- }
- }
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPZ || branch_opcode == ZEND_JMPZ_EX) {
- | jmp &exit_addr
- }
- } else if (false_label != (uint32_t)-1) {
- | jmp =>false_label
- }
- if (op1_info & MAY_BE_ANY) {
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | jmp >9
- }
- } else if (false_label == (uint32_t)-1) {
- | jmp >9
- }
- |.code
- }
- }
- if (!jmp_done) {
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- if (op1_info & MAY_BE_LONG) {
- | jmp >9
- }
- } else if (op1_info & MAY_BE_LONG) {
- | jmp &exit_addr
- }
- } else if (false_label != (uint32_t)-1) {
- | jmp =>false_label
- } else if ((op1_info & MAY_BE_LONG) || (op1_info & MAY_BE_ANY) == MAY_BE_DOUBLE) {
- | jmp >9
- }
- }
- }
- }
- if (op1_info & MAY_BE_LONG) {
- |2:
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG))) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >2
- }
- if (Z_MODE(op1_addr) == IS_REG) {
- | test Ra(Z_REG(op1_addr)), Ra(Z_REG(op1_addr))
- } else {
- | LONG_OP_WITH_CONST, cmp, op1_addr, Z_L(0)
- }
- if (set_bool) {
- | setne al
- | movzx eax, al
- if (set_bool_not) {
- | neg eax
- | add eax, 3
- } else {
- | lea eax, [eax + 2]
- }
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | jne &exit_addr
- } else {
- | je &exit_addr
- }
- } else if (true_label != (uint32_t)-1 || false_label != (uint32_t)-1) {
- if (true_label != (uint32_t)-1) {
- | jne =>true_label
- if (false_label != (uint32_t)-1) {
- | jmp =>false_label
- }
- } else {
- | je =>false_label
- }
- }
- }
- if ((op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG))) == MAY_BE_DOUBLE) {
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- |.cold_code
- }
- |2:
- if (CAN_USE_AVX()) {
- | vxorps xmm0, xmm0, xmm0
- } else {
- | xorps xmm0, xmm0
- }
- | DOUBLE_CMP ZREG_XMM0, op1_addr
- if (set_bool) {
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- | jp &exit_addr
- | jne &exit_addr
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- } else {
- | jp >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | je &exit_addr
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- }
- } else if (false_label != (uint32_t)-1) { // JMPZ_EX (p=>true, z=>false, false=>jmp)
- | jp >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | je => false_label
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- } else if (true_label != (uint32_t)-1) { // JMPNZ_EX (p=>true, z=>false, true=>jmp)
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- | jp => true_label
- | jne => true_label
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- } else if (set_bool_not) { // BOOL_NOT (p=>false, z=>true)
- | mov eax, IS_FALSE
- | jp >1
- | jne >1
- | mov eax, IS_TRUE
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, eax
- } else { // BOOL (p=>true, z=>false)
- | mov eax, IS_TRUE
- | jp >1
- | jne >1
- | mov eax, IS_FALSE
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- |.code
- }
- } else {
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | jp &exit_addr
- | jne &exit_addr
- |1:
- } else {
- | jp >1
- | je &exit_addr
- |1:
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- } else {
- ZEND_ASSERT(true_label != (uint32_t)-1 || false_label != (uint32_t)-1);
- if (false_label != (uint32_t)-1 ) {
- | jp >1
- | je => false_label
- |1:
- if (true_label != (uint32_t)-1) {
- | jmp =>true_label
- } else if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- } else {
- | jp => true_label
- | jne => true_label
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- }
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- |.code
- }
- }
- } else if (op1_info & (MAY_BE_ANY - (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG))) {
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- |.cold_code
- |2:
- }
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_is_true, r0
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op1.var);
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | IF_NOT_ZVAL_REFCOUNTED op1_addr, >3
- }
- | GET_ZVAL_PTR FCARG1a, op1_addr
- | GC_DELREF FCARG1a
- | jnz >3
- | mov aword T1, r0 // save
- | ZVAL_DTOR_FUNC op1_info, opline
- | mov r0, aword T1 // restore
- |3:
- }
- if (may_throw) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r1
- | jne ->exception_handler_undef
- }
- if (set_bool) {
- if (set_bool_not) {
- | neg eax
- | add eax, 3
- } else {
- | add eax, 2
- }
- | SET_ZVAL_TYPE_INFO res_addr, eax
- if (exit_addr) {
- | CMP_ZVAL_TYPE res_addr, IS_FALSE
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | jne &exit_addr
- } else {
- | je &exit_addr
- }
- } else if (true_label != (uint32_t)-1 || false_label != (uint32_t)-1) {
- | CMP_ZVAL_TYPE res_addr, IS_FALSE
- if (true_label != (uint32_t)-1) {
- | jne =>true_label
- if (false_label != (uint32_t)-1) {
- | jmp =>false_label
- } else if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- } else {
- | je =>false_label
- }
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- |.code
- }
- } else {
- | test r0, r0
- if (exit_addr) {
- if (branch_opcode == ZEND_JMPNZ || branch_opcode == ZEND_JMPNZ_EX) {
- | jne &exit_addr
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- } else {
- | je &exit_addr
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- }
- } else if (true_label != (uint32_t)-1) {
- | jne =>true_label
- if (false_label != (uint32_t)-1) {
- | jmp =>false_label
- } else if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- } else {
- | je =>false_label
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- | jmp >9
- }
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG)) {
- |.code
- }
- }
- }
- |9:
- return 1;
- }
- static int zend_jit_qm_assign(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, zend_jit_addr op1_def_addr, uint32_t res_use_info, uint32_t res_info, zend_jit_addr res_addr)
- {
- if (op1_addr != op1_def_addr) {
- if (!zend_jit_update_regs(Dst, opline->op1.var, op1_addr, op1_def_addr, op1_info)) {
- return 0;
- }
- if (Z_MODE(op1_def_addr) == IS_REG && Z_MODE(op1_addr) != IS_REG) {
- op1_addr = op1_def_addr;
- }
- }
- if (!zend_jit_simple_assign(Dst, opline, res_addr, res_use_info, res_info, opline->op1_type, op1_addr, op1_info, 0, 0, 0)) {
- return 0;
- }
- if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, res_info)) {
- return 0;
- }
- if (op1_info & MAY_BE_UNDEF) {
- zend_jit_check_exception(Dst);
- }
- return 1;
- }
- static int zend_jit_assign(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_use_addr, uint32_t op1_def_info, zend_jit_addr op1_addr, uint32_t op2_info, zend_jit_addr op2_addr, zend_jit_addr op2_def_addr, uint32_t res_info, zend_jit_addr res_addr, int may_throw)
- {
- ZEND_ASSERT(opline->op1_type == IS_CV);
- if (op2_addr != op2_def_addr) {
- if (!zend_jit_update_regs(Dst, opline->op2.var, op2_addr, op2_def_addr, op2_info)) {
- return 0;
- }
- if (Z_MODE(op2_def_addr) == IS_REG && Z_MODE(op2_addr) != IS_REG) {
- op2_addr = op2_def_addr;
- }
- }
- if (Z_MODE(op1_addr) != IS_REG
- && Z_MODE(op1_use_addr) == IS_REG
- && !Z_LOAD(op1_use_addr)
- && !Z_STORE(op1_use_addr)) {
- /* Force type update */
- op1_info |= MAY_BE_UNDEF;
- }
- if (!zend_jit_assign_to_variable(Dst, opline, op1_use_addr, op1_addr, op1_info, op1_def_info, opline->op2_type, op2_addr, op2_info, res_addr,
- may_throw)) {
- return 0;
- }
- if (!zend_jit_store_var_if_necessary_ex(Dst, opline->op1.var, op1_addr, op1_def_info, op1_use_addr, op1_info)) {
- return 0;
- }
- if (opline->result_type != IS_UNUSED) {
- if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, res_info)) {
- return 0;
- }
- }
- return 1;
- }
- /* copy of hidden zend_closure */
- typedef struct _zend_closure {
- zend_object std;
- zend_function func;
- zval this_ptr;
- zend_class_entry *called_scope;
- zif_handler orig_internal_handler;
- } zend_closure;
- static int zend_jit_stack_check(dasm_State **Dst, const zend_op *opline, uint32_t used_stack)
- {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | // Check Stack Overflow
- | MEM_LOAD_ZTS r1, aword, executor_globals, vm_stack_end, r0
- | MEM_LOAD_OP_ZTS sub, r1, aword, executor_globals, vm_stack_top, r0
- | cmp r1, used_stack
- | jb &exit_addr
- return 1;
- }
- static int zend_jit_push_call_frame(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, zend_function *func, bool is_closure, bool delayed_fetch_this, int checked_stack)
- {
- uint32_t used_stack;
- bool stack_check = 1;
- if (func) {
- used_stack = zend_vm_calc_used_stack(opline->extended_value, func);
- if ((int)used_stack <= checked_stack) {
- stack_check = 0;
- }
- } else {
- used_stack = (ZEND_CALL_FRAME_SLOT + opline->extended_value) * sizeof(zval);
- | // if (EXPECTED(ZEND_USER_CODE(func->type))) {
- if (!is_closure) {
- | test byte [r0 + offsetof(zend_function, type)], 1
- | mov FCARG1a, used_stack
- | jnz >1
- } else {
- | mov FCARG1a, used_stack
- }
- | // used_stack += (func->op_array.last_var + func->op_array.T - MIN(func->op_array.num_args, num_args)) * sizeof(zval);
- | mov edx, opline->extended_value
- if (!is_closure) {
- | cmp edx, dword [r0 + offsetof(zend_function, op_array.num_args)]
- | cmova edx, dword [r0 + offsetof(zend_function, op_array.num_args)]
- | sub edx, dword [r0 + offsetof(zend_function, op_array.last_var)]
- | sub edx, dword [r0 + offsetof(zend_function, op_array.T)]
- } else {
- | cmp edx, dword [r0 + offsetof(zend_closure, func.op_array.num_args)]
- | cmova edx, dword [r0 + offsetof(zend_closure, func.op_array.num_args)]
- | sub edx, dword [r0 + offsetof(zend_closure, func.op_array.last_var)]
- | sub edx, dword [r0 + offsetof(zend_closure, func.op_array.T)]
- }
- | shl edx, 4
- |.if X64
- | movsxd r2, edx
- |.endif
- | sub FCARG1a, r2
- |1:
- }
- zend_jit_start_reuse_ip();
- | // if (UNEXPECTED(used_stack > (size_t)(((char*)EG(vm_stack_end)) - (char*)call))) {
- | MEM_LOAD_ZTS RX, aword, executor_globals, vm_stack_top, RX
- if (stack_check) {
- | // Check Stack Overflow
- | MEM_LOAD_ZTS r2, aword, executor_globals, vm_stack_end, r2
- | sub r2, RX
- if (func) {
- | cmp r2, used_stack
- } else {
- | cmp r2, FCARG1a
- }
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | jb &exit_addr
- } else {
- | jb >1
- | // EG(vm_stack_top) = (zval*)((char*)call + used_stack);
- |.cold_code
- |1:
- if (func) {
- | mov FCARG1d, used_stack
- }
- #ifdef _WIN32
- if (0) {
- #else
- if (opline->opcode == ZEND_INIT_FCALL && func && func->type == ZEND_INTERNAL_FUNCTION) {
- #endif
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_int_extend_stack_helper, r0
- } else {
- if (!is_closure) {
- if (func
- && op_array == &func->op_array
- && (func->op_array.fn_flags & ZEND_ACC_IMMUTABLE)
- && (sizeof(void*) != 8 || IS_SIGNED_32BIT(func))) {
- | LOAD_ADDR FCARG2a, func
- } else {
- | mov FCARG2a, r0
- }
- } else {
- | lea FCARG2a, aword [r0 + offsetof(zend_closure, func)]
- }
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_extend_stack_helper, r0
- }
- | mov RX, r0
- | jmp >1
- |.code
- }
- }
- if (func) {
- | MEM_UPDATE_ZTS add, aword, executor_globals, vm_stack_top, used_stack, r2
- } else {
- | MEM_UPDATE_ZTS add, aword, executor_globals, vm_stack_top, FCARG1a, r2
- }
- | // zend_vm_init_call_frame(call, call_info, func, num_args, called_scope, object);
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE || opline->opcode != ZEND_INIT_METHOD_CALL) {
- | // ZEND_SET_CALL_INFO(call, 0, call_info);
- | mov dword EX:RX->This.u1.type_info, (IS_UNDEF | ZEND_CALL_NESTED_FUNCTION)
- }
- #ifdef _WIN32
- if (0) {
- #else
- if (opline->opcode == ZEND_INIT_FCALL && func && func->type == ZEND_INTERNAL_FUNCTION) {
- #endif
- | // call->func = func;
- |1:
- | ADDR_STORE aword EX:RX->func, func, r1
- } else {
- if (!is_closure) {
- | // call->func = func;
- if (func
- && op_array == &func->op_array
- && (func->op_array.fn_flags & ZEND_ACC_IMMUTABLE)
- && (sizeof(void*) != 8 || IS_SIGNED_32BIT(func))) {
- | ADDR_STORE aword EX:RX->func, func, r1
- } else {
- | mov aword EX:RX->func, r0
- }
- } else {
- | // call->func = &closure->func;
- | lea r1, aword [r0 + offsetof(zend_closure, func)]
- | mov aword EX:RX->func, r1
- }
- |1:
- }
- if (opline->opcode == ZEND_INIT_METHOD_CALL) {
- | // Z_PTR(call->This) = obj;
- | mov r1, aword T1
- | mov aword EX:RX->This.value.ptr, r1
- if (opline->op1_type == IS_UNUSED || delayed_fetch_this) {
- | // call->call_info |= ZEND_CALL_HAS_THIS;
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- | mov dword EX:RX->This.u1.type_info, ZEND_CALL_HAS_THIS
- } else {
- | or dword EX:RX->This.u1.type_info, ZEND_CALL_HAS_THIS
- }
- } else {
- if (opline->op1_type == IS_CV) {
- | // GC_ADDREF(obj);
- | add dword [r1], 1
- }
- | // call->call_info |= ZEND_CALL_HAS_THIS | ZEND_CALL_RELEASE_THIS;
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- | mov dword EX:RX->This.u1.type_info, (ZEND_CALL_HAS_THIS | ZEND_CALL_RELEASE_THIS)
- } else {
- | or dword EX:RX->This.u1.type_info, (ZEND_CALL_HAS_THIS | ZEND_CALL_RELEASE_THIS)
- }
- }
- } else if (!is_closure) {
- | // Z_CE(call->This) = called_scope;
- | mov aword EX:RX->This.value.ptr, 0
- } else {
- if (opline->op2_type == IS_CV) {
- | // GC_ADDREF(closure);
- | add dword [r0], 1
- }
- | // object_or_called_scope = closure->called_scope;
- | mov r1, aword [r0 + offsetof(zend_closure, called_scope)]
- | mov aword EX:RX->This.value.ptr, r1
- | // call_info = ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_DYNAMIC | ZEND_CALL_CLOSURE |
- | // (closure->func->common.fn_flags & ZEND_ACC_FAKE_CLOSURE);
- | mov edx, dword [r0 + offsetof(zend_closure, func.common.fn_flags)]
- | and edx, ZEND_ACC_FAKE_CLOSURE
- | or edx, (ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_DYNAMIC | ZEND_CALL_CLOSURE)
- | // if (Z_TYPE(closure->this_ptr) != IS_UNDEF) {
- | cmp byte [r0 + offsetof(zend_closure, this_ptr.u1.v.type)], IS_UNDEF
- | jz >1
- | // call_info |= ZEND_CALL_HAS_THIS;
- | or edx, ZEND_CALL_HAS_THIS
- | // object_or_called_scope = Z_OBJ(closure->this_ptr);
- | mov r1, aword [r0 + offsetof(zend_closure, this_ptr.value.ptr)]
- |1:
- | // ZEND_SET_CALL_INFO(call, 0, call_info);
- | or dword EX:RX->This.u1.type_info, edx
- | // Z_PTR(call->This) = object_or_called_scope;
- | mov aword EX:RX->This.value.ptr, r1
- | cmp aword [r0 + offsetof(zend_closure, func.op_array.run_time_cache__ptr)], 0
- | jnz >1
- | lea FCARG1a, aword [r0 + offsetof(zend_closure, func)]
- | EXT_CALL zend_jit_init_func_run_time_cache_helper, r0
- |1:
- }
- | // ZEND_CALL_NUM_ARGS(call) = num_args;
- | mov dword EX:RX->This.u2.num_args, opline->extended_value
- return 1;
- }
- static int zend_jit_init_fcall_guard(dasm_State **Dst, uint32_t level, const zend_function *func, const zend_op *to_opline)
- {
- int32_t exit_point;
- const void *exit_addr;
- if (func->type == ZEND_INTERNAL_FUNCTION) {
- #ifdef ZEND_WIN32
- // TODO: ASLR may cause different addresses in different workers ???
- return 0;
- #endif
- } else if (func->type == ZEND_USER_FUNCTION) {
- if (!zend_accel_in_shm(func->op_array.opcodes)) {
- /* op_array and op_array->opcodes are not persistent. We can't link. */
- return 0;
- }
- } else {
- ZEND_UNREACHABLE();
- return 0;
- }
- exit_point = zend_jit_trace_get_exit_point(to_opline, ZEND_JIT_EXIT_POLYMORPHISM);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | // call = EX(call);
- | mov r1, EX->call
- while (level > 0) {
- | mov r1, EX:r1->prev_execute_data
- level--;
- }
- if (func->type == ZEND_USER_FUNCTION &&
- (!(func->common.fn_flags & ZEND_ACC_IMMUTABLE) ||
- (func->common.fn_flags & ZEND_ACC_CLOSURE) ||
- !func->common.function_name)) {
- const zend_op *opcodes = func->op_array.opcodes;
- | mov r1, aword EX:r1->func
- | .if X64
- || if (!IS_SIGNED_32BIT(opcodes)) {
- | mov64 r2, ((ptrdiff_t)opcodes)
- | cmp aword [r1 + offsetof(zend_op_array, opcodes)], r2
- || } else {
- | cmp aword [r1 + offsetof(zend_op_array, opcodes)], opcodes
- || }
- | .else
- | cmp aword [r1 + offsetof(zend_op_array, opcodes)], opcodes
- | .endif
- | jne &exit_addr
- } else {
- | .if X64
- || if (!IS_SIGNED_32BIT(func)) {
- | mov64 r2, ((ptrdiff_t)func)
- | cmp aword EX:r1->func, r2
- || } else {
- | cmp aword EX:r1->func, func
- || }
- | .else
- | cmp aword EX:r1->func, func
- | .endif
- | jne &exit_addr
- }
- return 1;
- }
- static int zend_jit_init_fcall(dasm_State **Dst, const zend_op *opline, uint32_t b, const zend_op_array *op_array, zend_ssa *ssa, const zend_ssa_op *ssa_op, int call_level, zend_jit_trace_rec *trace, int checked_stack)
- {
- zend_func_info *info = ZEND_FUNC_INFO(op_array);
- zend_call_info *call_info = NULL;
- zend_function *func = NULL;
- if (delayed_call_chain) {
- if (!zend_jit_save_call_chain(Dst, delayed_call_level)) {
- return 0;
- }
- }
- if (info) {
- call_info = info->callee_info;
- while (call_info && call_info->caller_init_opline != opline) {
- call_info = call_info->next_callee;
- }
- if (call_info && call_info->callee_func && !call_info->is_prototype) {
- func = call_info->callee_func;
- }
- }
- if (!func
- && trace
- && trace->op == ZEND_JIT_TRACE_INIT_CALL) {
- #ifdef _WIN32
- /* ASLR */
- if (trace->func->type != ZEND_INTERNAL_FUNCTION) {
- func = (zend_function*)trace->func;
- }
- #else
- func = (zend_function*)trace->func;
- #endif
- }
- #ifdef _WIN32
- if (0) {
- #else
- if (opline->opcode == ZEND_INIT_FCALL
- && func
- && func->type == ZEND_INTERNAL_FUNCTION) {
- #endif
- /* load constant address later */
- } else if (func && op_array == &func->op_array) {
- /* recursive call */
- if (!(func->op_array.fn_flags & ZEND_ACC_IMMUTABLE) ||
- (sizeof(void*) == 8 && !IS_SIGNED_32BIT(func))) {
- | mov r0, EX->func
- }
- } else {
- | // if (CACHED_PTR(opline->result.num))
- | mov r2, EX->run_time_cache
- | mov r0, aword [r2 + opline->result.num]
- | test r0, r0
- | jz >1
- |.cold_code
- |1:
- if (opline->opcode == ZEND_INIT_FCALL
- && func
- && func->type == ZEND_USER_FUNCTION
- && (func->op_array.fn_flags & ZEND_ACC_IMMUTABLE)) {
- | LOAD_ADDR FCARG1a, func
- | mov aword [r2 + opline->result.num], FCARG1a
- | EXT_CALL zend_jit_init_func_run_time_cache_helper, r0
- | jmp >3
- } else {
- zval *zv = RT_CONSTANT(opline, opline->op2);
- if (opline->opcode == ZEND_INIT_FCALL) {
- | LOAD_ADDR FCARG1a, Z_STR_P(zv);
- | lea FCARG2a, aword [r2 + opline->result.num]
- | EXT_CALL zend_jit_find_func_helper, r0
- } else if (opline->opcode == ZEND_INIT_FCALL_BY_NAME) {
- | LOAD_ADDR FCARG1a, Z_STR_P(zv + 1);
- | lea FCARG2a, aword [r2 + opline->result.num]
- | EXT_CALL zend_jit_find_func_helper, r0
- } else if (opline->opcode == ZEND_INIT_NS_FCALL_BY_NAME) {
- | LOAD_ADDR FCARG1a, zv;
- | lea FCARG2a, aword [r2 + opline->result.num]
- | EXT_CALL zend_jit_find_ns_func_helper, r0
- } else {
- ZEND_UNREACHABLE();
- }
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline,
- func && (func->common.fn_flags & ZEND_ACC_IMMUTABLE) ? ZEND_JIT_EXIT_INVALIDATE : 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- if (!func || opline->opcode == ZEND_INIT_FCALL) {
- | test r0, r0
- | jnz >3
- } else if (func->type == ZEND_USER_FUNCTION
- && !(func->common.fn_flags & ZEND_ACC_IMMUTABLE)) {
- const zend_op *opcodes = func->op_array.opcodes;
- | .if X64
- || if (!IS_SIGNED_32BIT(opcodes)) {
- | mov64 r1, ((ptrdiff_t)opcodes)
- | cmp aword [r0 + offsetof(zend_op_array, opcodes)], r1
- || } else {
- | cmp aword [r0 + offsetof(zend_op_array, opcodes)], opcodes
- || }
- | .else
- | cmp aword [r0 + offsetof(zend_op_array, opcodes)], opcodes
- | .endif
- | jz >3
- } else {
- | .if X64
- || if (!IS_SIGNED_32BIT(func)) {
- | mov64 r1, ((ptrdiff_t)func)
- | cmp r0, r1
- || } else {
- | cmp r0, func
- || }
- | .else
- | cmp r0, func
- | .endif
- | jz >3
- }
- | jmp &exit_addr
- } else {
- | test r0, r0
- | jnz >3
- | // SAVE_OPLINE();
- | SET_EX_OPLINE opline, r0
- | jmp ->undefined_function
- }
- }
- |.code
- |3:
- }
- if (!zend_jit_push_call_frame(Dst, opline, op_array, func, 0, 0, checked_stack)) {
- return 0;
- }
- if (zend_jit_needs_call_chain(call_info, b, op_array, ssa, ssa_op, opline, call_level, trace)) {
- if (!zend_jit_save_call_chain(Dst, call_level)) {
- return 0;
- }
- } else {
- delayed_call_chain = 1;
- delayed_call_level = call_level;
- }
- return 1;
- }
- static int zend_jit_init_method_call(dasm_State **Dst,
- const zend_op *opline,
- uint32_t b,
- const zend_op_array *op_array,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- int call_level,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- zend_class_entry *ce,
- bool ce_is_instanceof,
- bool on_this,
- bool delayed_fetch_this,
- zend_class_entry *trace_ce,
- zend_jit_trace_rec *trace,
- int checked_stack,
- bool polymorphic_side_trace)
- {
- zend_func_info *info = ZEND_FUNC_INFO(op_array);
- zend_call_info *call_info = NULL;
- zend_function *func = NULL;
- zval *function_name;
- ZEND_ASSERT(opline->op2_type == IS_CONST);
- ZEND_ASSERT(op1_info & MAY_BE_OBJECT);
- function_name = RT_CONSTANT(opline, opline->op2);
- if (info) {
- call_info = info->callee_info;
- while (call_info && call_info->caller_init_opline != opline) {
- call_info = call_info->next_callee;
- }
- if (call_info && call_info->callee_func && !call_info->is_prototype) {
- func = call_info->callee_func;
- }
- }
- if (polymorphic_side_trace) {
- /* function is passed in r0 from parent_trace */
- } else {
- if (on_this) {
- zend_jit_addr this_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, offsetof(zend_execute_data, This));
- | GET_ZVAL_PTR FCARG1a, this_addr
- } else {
- if (op1_info & MAY_BE_REF) {
- if (opline->op1_type == IS_CV) {
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- } else {
- /* Hack: Convert reference to regular value to simplify JIT code */
- ZEND_ASSERT(Z_REG(op1_addr) == ZREG_FP);
- | IF_NOT_ZVAL_TYPE op1_addr, IS_REFERENCE, >1
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | EXT_CALL zend_jit_unref_helper, r0
- |1:
- }
- }
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY)- MAY_BE_OBJECT)) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, >1
- |.cold_code
- |1:
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | SET_EX_OPLINE opline, r0
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR)) && !delayed_fetch_this) {
- | EXT_CALL zend_jit_invalid_method_call_tmp, r0
- } else {
- | EXT_CALL zend_jit_invalid_method_call, r0
- }
- | jmp ->exception_handler
- |.code
- }
- }
- | GET_ZVAL_PTR FCARG1a, op1_addr
- }
- if (delayed_call_chain) {
- if (!zend_jit_save_call_chain(Dst, delayed_call_level)) {
- return 0;
- }
- }
- | mov aword T1, FCARG1a // save
- if (func) {
- | // fbc = CACHED_PTR(opline->result.num + sizeof(void*));
- | mov r0, EX->run_time_cache
- | mov r0, aword [r0 + opline->result.num + sizeof(void*)]
- | test r0, r0
- | jz >1
- } else {
- | // if (CACHED_PTR(opline->result.num) == obj->ce)) {
- | mov r0, EX->run_time_cache
- | mov r2, aword [r0 + opline->result.num]
- | cmp r2, [FCARG1a + offsetof(zend_object, ce)]
- | jnz >1
- | // fbc = CACHED_PTR(opline->result.num + sizeof(void*));
- | mov r0, aword [r0 + opline->result.num + sizeof(void*)]
- }
- |.cold_code
- |1:
- | LOAD_ADDR FCARG2a, function_name
- |.if X64
- | lea CARG3, aword T1
- |.else
- | lea r0, aword T1
- | sub r4, 12
- | push r0
- |.endif
- | SET_EX_OPLINE opline, r0
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR)) && !delayed_fetch_this) {
- | EXT_CALL zend_jit_find_method_tmp_helper, r0
- } else {
- | EXT_CALL zend_jit_find_method_helper, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- | test r0, r0
- | jnz >2
- | jmp ->exception_handler
- |.code
- |2:
- }
- if ((!func || zend_jit_may_be_modified(func, op_array))
- && trace
- && trace->op == ZEND_JIT_TRACE_INIT_CALL
- && trace->func
- #ifdef _WIN32
- && trace->func->type != ZEND_INTERNAL_FUNCTION
- #endif
- ) {
- int32_t exit_point;
- const void *exit_addr;
- exit_point = zend_jit_trace_get_exit_point(opline, func ? ZEND_JIT_EXIT_INVALIDATE : ZEND_JIT_EXIT_METHOD_CALL);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- func = (zend_function*)trace->func;
- if (func->type == ZEND_USER_FUNCTION &&
- (!(func->common.fn_flags & ZEND_ACC_IMMUTABLE) ||
- (func->common.fn_flags & ZEND_ACC_CLOSURE) ||
- !func->common.function_name)) {
- const zend_op *opcodes = func->op_array.opcodes;
- | .if X64
- || if (!IS_SIGNED_32BIT(opcodes)) {
- | mov64 r1, ((ptrdiff_t)opcodes)
- | cmp aword [r0 + offsetof(zend_op_array, opcodes)], r1
- || } else {
- | cmp aword [r0 + offsetof(zend_op_array, opcodes)], opcodes
- || }
- | .else
- | cmp aword [r0 + offsetof(zend_op_array, opcodes)], opcodes
- | .endif
- | jne &exit_addr
- } else {
- | .if X64
- || if (!IS_SIGNED_32BIT(func)) {
- | mov64 r1, ((ptrdiff_t)func)
- | cmp r0, r1
- || } else {
- | cmp r0, func
- || }
- | .else
- | cmp r0, func
- | .endif
- | jne &exit_addr
- }
- }
- if (!func) {
- | // if (fbc->common.fn_flags & ZEND_ACC_STATIC) {
- | test dword [r0 + offsetof(zend_function, common.fn_flags)], ZEND_ACC_STATIC
- | jnz >1
- |.cold_code
- |1:
- }
- if (!func || (func->common.fn_flags & ZEND_ACC_STATIC) != 0) {
- | mov FCARG1a, aword T1 // restore
- | mov FCARG2a, r0
- |.if X64
- | mov CARG3d, opline->extended_value
- |.else
- | sub r4, 12
- | push opline->extended_value
- |.endif
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR)) && !delayed_fetch_this) {
- | EXT_CALL zend_jit_push_static_metod_call_frame_tmp, r0
- } else {
- | EXT_CALL zend_jit_push_static_metod_call_frame, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR) && !delayed_fetch_this)) {
- | test r0, r0
- | jz ->exception_handler
- }
- | mov RX, r0
- }
- if (!func) {
- | jmp >9
- |.code
- }
- if (!func || (func->common.fn_flags & ZEND_ACC_STATIC) == 0) {
- if (!zend_jit_push_call_frame(Dst, opline, NULL, func, 0, delayed_fetch_this, checked_stack)) {
- return 0;
- }
- }
- if (!func) {
- |9:
- }
- zend_jit_start_reuse_ip();
- if (zend_jit_needs_call_chain(call_info, b, op_array, ssa, ssa_op, opline, call_level, trace)) {
- if (!zend_jit_save_call_chain(Dst, call_level)) {
- return 0;
- }
- } else {
- delayed_call_chain = 1;
- delayed_call_level = call_level;
- }
- return 1;
- }
- static int zend_jit_init_closure_call(dasm_State **Dst,
- const zend_op *opline,
- uint32_t b,
- const zend_op_array *op_array,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- int call_level,
- zend_jit_trace_rec *trace,
- int checked_stack)
- {
- zend_function *func = NULL;
- zend_jit_addr op2_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op2.var);
- | GET_ZVAL_PTR r0, op2_addr
- if (ssa->var_info[ssa_op->op2_use].ce != zend_ce_closure
- && !(ssa->var_info[ssa_op->op2_use].type & MAY_BE_CLASS_GUARD)) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- |.if X64
- || if (!IS_SIGNED_32BIT(zend_ce_closure)) {
- | mov64 FCARG1a, ((ptrdiff_t)zend_ce_closure)
- | cmp aword [r0 + offsetof(zend_object, ce)], FCARG1a
- || } else {
- | cmp aword [r0 + offsetof(zend_object, ce)], zend_ce_closure
- || }
- |.else
- | cmp aword [r0 + offsetof(zend_object, ce)], zend_ce_closure
- |.endif
- | jne &exit_addr
- if (ssa->var_info && ssa_op->op2_use >= 0) {
- ssa->var_info[ssa_op->op2_use].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op2_use].ce = zend_ce_closure;
- ssa->var_info[ssa_op->op2_use].is_instanceof = 0;
- }
- }
- if (trace
- && trace->op == ZEND_JIT_TRACE_INIT_CALL
- && trace->func
- && trace->func->type == ZEND_USER_FUNCTION) {
- const zend_op *opcodes;
- int32_t exit_point;
- const void *exit_addr;
- func = (zend_function*)trace->func;
- opcodes = func->op_array.opcodes;
- exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_CLOSURE_CALL);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | .if X64
- || if (!IS_SIGNED_32BIT(opcodes)) {
- | mov64 FCARG1a, ((ptrdiff_t)opcodes)
- | cmp aword [r0 + offsetof(zend_closure, func.op_array.opcodes)], FCARG1a
- || } else {
- | cmp aword [r0 + offsetof(zend_closure, func.op_array.opcodes)], opcodes
- || }
- | .else
- | cmp aword [r0 + offsetof(zend_closure, func.op_array.opcodes)], opcodes
- | .endif
- | jne &exit_addr
- }
- if (delayed_call_chain) {
- if (!zend_jit_save_call_chain(Dst, delayed_call_level)) {
- return 0;
- }
- }
- if (!zend_jit_push_call_frame(Dst, opline, NULL, func, 1, 0, checked_stack)) {
- return 0;
- }
- if (zend_jit_needs_call_chain(NULL, b, op_array, ssa, ssa_op, opline, call_level, trace)) {
- if (!zend_jit_save_call_chain(Dst, call_level)) {
- return 0;
- }
- } else {
- delayed_call_chain = 1;
- delayed_call_level = call_level;
- }
- if (trace
- && trace->op == ZEND_JIT_TRACE_END
- && trace->stop == ZEND_JIT_TRACE_STOP_INTERPRETER) {
- if (!zend_jit_set_valid_ip(Dst, opline + 1)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_do_fcall(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, zend_ssa *ssa, int call_level, unsigned int next_block, zend_jit_trace_rec *trace)
- {
- zend_func_info *info = ZEND_FUNC_INFO(op_array);
- zend_call_info *call_info = NULL;
- const zend_function *func = NULL;
- uint32_t i;
- zend_jit_addr res_addr;
- uint32_t call_num_args = 0;
- bool unknown_num_args = 0;
- const void *exit_addr = NULL;
- const zend_op *prev_opline;
- if (RETURN_VALUE_USED(opline)) {
- res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- } else {
- /* CPU stack allocated temporary zval */
- res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R4, TMP_ZVAL_OFFSET);
- }
- prev_opline = opline - 1;
- while (prev_opline->opcode == ZEND_EXT_FCALL_BEGIN || prev_opline->opcode == ZEND_TICKS) {
- prev_opline--;
- }
- if (prev_opline->opcode == ZEND_SEND_UNPACK || prev_opline->opcode == ZEND_SEND_ARRAY ||
- prev_opline->opcode == ZEND_CHECK_UNDEF_ARGS) {
- unknown_num_args = 1;
- }
- if (info) {
- call_info = info->callee_info;
- while (call_info && call_info->caller_call_opline != opline) {
- call_info = call_info->next_callee;
- }
- if (call_info && call_info->callee_func && !call_info->is_prototype) {
- func = call_info->callee_func;
- }
- if ((op_array->fn_flags & ZEND_ACC_TRAIT_CLONE)
- && JIT_G(current_frame)
- && JIT_G(current_frame)->call
- && !JIT_G(current_frame)->call->func) {
- call_info = NULL; func = NULL; /* megamorphic call from trait */
- }
- }
- if (!func) {
- /* resolve function at run time */
- } else if (func->type == ZEND_USER_FUNCTION) {
- ZEND_ASSERT(opline->opcode != ZEND_DO_ICALL);
- call_num_args = call_info->num_args;
- } else if (func->type == ZEND_INTERNAL_FUNCTION) {
- ZEND_ASSERT(opline->opcode != ZEND_DO_UCALL);
- call_num_args = call_info->num_args;
- } else {
- ZEND_UNREACHABLE();
- }
- if (trace && !func) {
- if (trace->op == ZEND_JIT_TRACE_DO_ICALL) {
- ZEND_ASSERT(trace->func->type == ZEND_INTERNAL_FUNCTION);
- #ifndef ZEND_WIN32
- // TODO: ASLR may cause different addresses in different workers ???
- func = trace->func;
- if (JIT_G(current_frame) &&
- JIT_G(current_frame)->call &&
- TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)->call) >= 0) {
- call_num_args = TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)->call);
- } else {
- unknown_num_args = 1;
- }
- #endif
- } else if (trace->op == ZEND_JIT_TRACE_ENTER) {
- ZEND_ASSERT(trace->func->type == ZEND_USER_FUNCTION);
- if (zend_accel_in_shm(trace->func->op_array.opcodes)) {
- func = trace->func;
- if (JIT_G(current_frame) &&
- JIT_G(current_frame)->call &&
- TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)->call) >= 0) {
- call_num_args = TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)->call);
- } else {
- unknown_num_args = 1;
- }
- }
- }
- }
- bool may_have_extra_named_params =
- opline->extended_value == ZEND_FCALL_MAY_HAVE_EXTRA_NAMED_PARAMS &&
- (!func || func->common.fn_flags & ZEND_ACC_VARIADIC);
- if (!reuse_ip) {
- zend_jit_start_reuse_ip();
- | // call = EX(call);
- | mov RX, EX->call
- }
- zend_jit_stop_reuse_ip();
- | // fbc = call->func;
- | // mov r2, EX:RX->func ???
- | // SAVE_OPLINE();
- | SET_EX_OPLINE opline, r0
- if (opline->opcode == ZEND_DO_FCALL) {
- if (!func) {
- if (trace) {
- uint32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | mov r0, EX:RX->func
- | test dword [r0 + offsetof(zend_op_array, fn_flags)], ZEND_ACC_DEPRECATED
- | jnz &exit_addr
- }
- }
- }
- if (!delayed_call_chain) {
- if (call_level == 1) {
- | mov aword EX->call, 0
- } else {
- | //EX(call) = call->prev_execute_data;
- | mov r0, EX:RX->prev_execute_data
- | mov EX->call, r0
- }
- }
- delayed_call_chain = 0;
- | //call->prev_execute_data = execute_data;
- | mov EX:RX->prev_execute_data, EX
- if (!func) {
- | mov r0, EX:RX->func
- }
- if (opline->opcode == ZEND_DO_FCALL) {
- if (!func) {
- if (!trace) {
- | test dword [r0 + offsetof(zend_op_array, fn_flags)], ZEND_ACC_DEPRECATED
- | jnz >1
- |.cold_code
- |1:
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, RX
- }
- | EXT_CALL zend_jit_deprecated_helper, r0
- | test al, al
- | mov r0, EX:RX->func // reload
- | jne >1
- | jmp ->exception_handler
- |.code
- |1:
- }
- } else if (func->common.fn_flags & ZEND_ACC_DEPRECATED) {
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, RX
- }
- | EXT_CALL zend_jit_deprecated_helper, r0
- | test al, al
- | je ->exception_handler
- }
- }
- if (!func
- && opline->opcode != ZEND_DO_UCALL
- && opline->opcode != ZEND_DO_ICALL) {
- | cmp byte [r0 + offsetof(zend_function, type)], ZEND_USER_FUNCTION
- | jne >8
- }
- if ((!func || func->type == ZEND_USER_FUNCTION)
- && opline->opcode != ZEND_DO_ICALL) {
- | // EX(call) = NULL;
- | mov aword EX:RX->call, 0
- if (RETURN_VALUE_USED(opline)) {
- | // EX(return_value) = EX_VAR(opline->result.var);
- | LOAD_ZVAL_ADDR r2, res_addr
- | mov aword EX:RX->return_value, r2
- } else {
- | // EX(return_value) = 0;
- | mov aword EX:RX->return_value, 0
- }
- //EX_LOAD_RUN_TIME_CACHE(op_array);
- if (!func || func->op_array.cache_size) {
- if (func && op_array == &func->op_array) {
- /* recursive call */
- if (trace || func->op_array.cache_size > sizeof(void*)) {
- | mov r2, EX->run_time_cache
- | mov EX:RX->run_time_cache, r2
- }
- } else {
- #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
- if (func) {
- | mov r0, EX:RX->func
- }
- | mov r2, aword [r0 + offsetof(zend_op_array, run_time_cache__ptr)]
- | mov r2, aword [r2]
- #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
- if (func && !(func->op_array.fn_flags & ZEND_ACC_CLOSURE)) {
- if (ZEND_MAP_PTR_IS_OFFSET(func->op_array.run_time_cache)) {
- | MEM_LOAD_ZTS r2, aword, compiler_globals, map_ptr_base, r1
- | mov r2, aword [r2 + (uintptr_t)ZEND_MAP_PTR(func->op_array.run_time_cache)]
- } else if ((func->op_array.fn_flags & ZEND_ACC_IMMUTABLE)
- && (!func->op_array.scope || (func->op_array.scope->ce_flags & ZEND_ACC_LINKED))) {
- if (func) {
- | mov r0, EX:RX->func
- }
- | mov r2, aword [r0 + offsetof(zend_op_array, run_time_cache__ptr)]
- | MEM_LOAD_OP_ZTS add, r2, aword, compiler_globals, map_ptr_base, r1
- | mov r2, aword [r2]
- } else {
- /* the called op_array may be not persisted yet */
- if (func) {
- | mov r0, EX:RX->func
- }
- | mov r2, aword [r0 + offsetof(zend_op_array, run_time_cache__ptr)]
- | test r2, 1
- | jz >1
- | MEM_LOAD_OP_ZTS add, r2, aword, compiler_globals, map_ptr_base, r1
- |1:
- | mov r2, aword [r2]
- }
- } else {
- if (func) {
- | mov r0, EX:RX->func
- }
- | mov r2, aword [r0 + offsetof(zend_op_array, run_time_cache__ptr)]
- | test r2, 1
- | jz >1
- | MEM_LOAD_OP_ZTS add, r2, aword, compiler_globals, map_ptr_base, r1
- |1:
- | mov r2, aword [r2]
- }
- #else
- # error "Unknown ZEND_MAP_PTR_KIND"
- #endif
- | mov EX:RX->run_time_cache, r2
- }
- }
- | // EG(current_execute_data) = execute_data;
- | MEM_STORE_ZTS aword, executor_globals, current_execute_data, RX, r1
- | mov FP, RX
- | // opline = op_array->opcodes;
- if (func && !unknown_num_args) {
- for (i = call_num_args; i < func->op_array.last_var; i++) {
- uint32_t n = EX_NUM_TO_VAR(i);
- | SET_Z_TYPE_INFO RX + n, IS_UNDEF
- }
- if (call_num_args <= func->op_array.num_args) {
- if (!trace || (trace->op == ZEND_JIT_TRACE_END
- && trace->stop == ZEND_JIT_TRACE_STOP_INTERPRETER)) {
- uint32_t num_args;
- if ((func->op_array.fn_flags & ZEND_ACC_HAS_TYPE_HINTS) != 0) {
- if (trace) {
- num_args = 0;
- } else if (call_info) {
- num_args = skip_valid_arguments(op_array, ssa, call_info);
- } else {
- num_args = call_num_args;
- }
- } else {
- num_args = call_num_args;
- }
- if (zend_accel_in_shm(func->op_array.opcodes)) {
- | LOAD_IP_ADDR (func->op_array.opcodes + num_args)
- } else {
- | mov r0, EX->func
- if (GCC_GLOBAL_REGS) {
- | mov IP, aword [r0 + offsetof(zend_op_array, opcodes)]
- if (num_args) {
- | add IP, (num_args * sizeof(zend_op))
- }
- } else {
- | mov FCARG1a, aword [r0 + offsetof(zend_op_array, opcodes)]
- if (num_args) {
- | add FCARG1a, (num_args * sizeof(zend_op))
- }
- | mov aword EX->opline, FCARG1a
- }
- }
- if (GCC_GLOBAL_REGS && !trace && op_array == &func->op_array
- && num_args >= op_array->required_num_args) {
- /* recursive call */
- if (ZEND_OBSERVER_ENABLED) {
- | SAVE_IP
- | mov FCARG1a, FP
- | EXT_CALL zend_observer_fcall_begin, r0
- }
- #ifdef CONTEXT_THREADED_JIT
- | call >1
- |.cold_code
- |1:
- | pop r0
- | jmp =>num_args
- |.code
- #else
- | jmp =>num_args
- #endif
- return 1;
- }
- }
- } else {
- if (!trace || (trace->op == ZEND_JIT_TRACE_END
- && trace->stop == ZEND_JIT_TRACE_STOP_INTERPRETER)) {
- if (func && zend_accel_in_shm(func->op_array.opcodes)) {
- | LOAD_IP_ADDR (func->op_array.opcodes)
- } else if (GCC_GLOBAL_REGS) {
- | mov IP, aword [r0 + offsetof(zend_op_array, opcodes)]
- } else {
- | mov FCARG1a, aword [r0 + offsetof(zend_op_array, opcodes)]
- | mov aword EX->opline, FCARG1a
- }
- }
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, FP
- }
- | EXT_CALL zend_jit_copy_extra_args_helper, r0
- }
- } else {
- | // opline = op_array->opcodes
- if (func && zend_accel_in_shm(func->op_array.opcodes)) {
- | LOAD_IP_ADDR (func->op_array.opcodes)
- } else if (GCC_GLOBAL_REGS) {
- | mov IP, aword [r0 + offsetof(zend_op_array, opcodes)]
- } else {
- | mov FCARG1a, aword [r0 + offsetof(zend_op_array, opcodes)]
- | mov aword EX->opline, FCARG1a
- }
- if (func) {
- | // num_args = EX_NUM_ARGS();
- | mov ecx, dword [FP + offsetof(zend_execute_data, This.u2.num_args)]
- | // if (UNEXPECTED(num_args > first_extra_arg))
- | cmp ecx, (func->op_array.num_args)
- } else {
- | // first_extra_arg = op_array->num_args;
- | mov edx, dword [r0 + offsetof(zend_op_array, num_args)]
- | // num_args = EX_NUM_ARGS();
- | mov ecx, dword [FP + offsetof(zend_execute_data, This.u2.num_args)]
- | // if (UNEXPECTED(num_args > first_extra_arg))
- | cmp ecx, edx
- }
- | jg >1
- |.cold_code
- |1:
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, FP
- }
- | EXT_CALL zend_jit_copy_extra_args_helper, r0
- if (!func) {
- | mov r0, EX->func // reload
- }
- | mov ecx, dword [FP + offsetof(zend_execute_data, This.u2.num_args)] // reload
- | jmp >1
- |.code
- if (!func || (func->op_array.fn_flags & ZEND_ACC_HAS_TYPE_HINTS) == 0) {
- if (!func) {
- | // if (EXPECTED((op_array->fn_flags & ZEND_ACC_HAS_TYPE_HINTS) == 0))
- | test dword [r0 + offsetof(zend_op_array, fn_flags)], ZEND_ACC_HAS_TYPE_HINTS
- | jnz >1
- }
- | // opline += num_args;
- |.if X64
- || ZEND_ASSERT(sizeof(zend_op) == 32);
- | mov edx, ecx
- | shl r2, 5
- |.else
- | imul r2, ecx, sizeof(zend_op)
- |.endif
- | ADD_IP r2
- }
- |1:
- | // if (EXPECTED((int)num_args < op_array->last_var)) {
- if (func) {
- | mov edx, (func->op_array.last_var)
- } else {
- | mov edx, dword [r0 + offsetof(zend_op_array, last_var)]
- }
- | sub edx, ecx
- | jle >3 //???
- | // zval *var = EX_VAR_NUM(num_args);
- // |.if X64
- // | movsxd r1, ecx
- // |.endif
- | shl r1, 4
- | lea r1, [FP + r1 + (ZEND_CALL_FRAME_SLOT * sizeof(zval))]
- |2:
- | SET_Z_TYPE_INFO r1, IS_UNDEF
- | sub edx, 1
- | lea r1, [r1 + 16]
- | jne <2
- |3:
- }
- if (ZEND_OBSERVER_ENABLED) {
- | SAVE_IP
- | mov FCARG1a, FP
- | EXT_CALL zend_observer_fcall_begin, r0
- }
- if (trace) {
- if (!func && (opline->opcode != ZEND_DO_UCALL)) {
- | jmp >9
- }
- } else {
- #ifdef CONTEXT_THREADED_JIT
- | call ->context_threaded_call
- if (!func && (opline->opcode != ZEND_DO_UCALL)) {
- | jmp >9
- }
- | call ->context_threaded_call
- if (!func) {
- | jmp >9
- }
- #else
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- | JMP_IP
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- | JMP_IP
- } else {
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, 1 // ZEND_VM_ENTER
- | ret
- }
- }
- #endif
- }
- if ((!func || func->type == ZEND_INTERNAL_FUNCTION)
- && (opline->opcode != ZEND_DO_UCALL)) {
- if (!func && (opline->opcode != ZEND_DO_ICALL)) {
- |8:
- }
- if (opline->opcode == ZEND_DO_FCALL_BY_NAME) {
- if (!func) {
- if (trace) {
- uint32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | test dword [r0 + offsetof(zend_op_array, fn_flags)], ZEND_ACC_DEPRECATED
- | jnz &exit_addr
- } else {
- | test dword [r0 + offsetof(zend_op_array, fn_flags)], ZEND_ACC_DEPRECATED
- | jnz >1
- |.cold_code
- |1:
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, RX
- }
- | EXT_CALL zend_jit_deprecated_helper, r0
- | test al, al
- | mov r0, EX:RX->func // reload
- | jne >1
- | jmp ->exception_handler
- |.code
- |1:
- }
- } else if (func->common.fn_flags & ZEND_ACC_DEPRECATED) {
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, RX
- }
- | EXT_CALL zend_jit_deprecated_helper, r0
- | test al, al
- | je ->exception_handler
- | mov r0, EX:RX->func // reload
- }
- }
- | // ZVAL_NULL(EX_VAR(opline->result.var));
- | LOAD_ZVAL_ADDR FCARG2a, res_addr
- | SET_Z_TYPE_INFO FCARG2a, IS_NULL
- | // EG(current_execute_data) = execute_data;
- | MEM_STORE_ZTS aword, executor_globals, current_execute_data, RX, r1
- zend_jit_reset_last_valid_opline();
- | // fbc->internal_function.handler(call, ret);
- | mov FCARG1a, RX
- if (func) {
- | EXT_CALL func->internal_function.handler, r0
- } else {
- | call aword [r0 + offsetof(zend_internal_function, handler)]
- }
- | // EG(current_execute_data) = execute_data;
- | MEM_STORE_ZTS aword, executor_globals, current_execute_data, FP, r0
- | // zend_vm_stack_free_args(call);
- if (func && !unknown_num_args) {
- for (i = 0; i < call_num_args; i++ ) {
- if (zend_jit_needs_arg_dtor(func, i, call_info)) {
- uint32_t offset = EX_NUM_TO_VAR(i);
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_RX, offset), MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN, 0, 1, opline
- }
- }
- } else {
- | mov FCARG1a, RX
- | EXT_CALL zend_jit_vm_stack_free_args_helper, r0
- }
- if (may_have_extra_named_params) {
- | test byte [RX + offsetof(zend_execute_data, This.u1.type_info) + 3], (ZEND_CALL_HAS_EXTRA_NAMED_PARAMS >> 24)
- | jnz >1
- |.cold_code
- |1:
- | mov FCARG1a, aword [RX + offsetof(zend_execute_data, extra_named_params)]
- | EXT_CALL zend_free_extra_named_params, r0
- | jmp >2
- |.code
- |2:
- }
- |8:
- if (opline->opcode == ZEND_DO_FCALL) {
- // TODO: optimize ???
- | // if (UNEXPECTED(ZEND_CALL_INFO(call) & ZEND_CALL_RELEASE_THIS))
- | test byte [RX + offsetof(zend_execute_data, This.u1.type_info) + 2], (ZEND_CALL_RELEASE_THIS >> 16)
- | jnz >1
- |.cold_code
- |1:
- | GET_Z_PTR FCARG1a, RX + offsetof(zend_execute_data, This)
- | // OBJ_RELEASE(object);
- | OBJ_RELEASE ZREG_FCARG1, >2
- | jmp >2
- |.code
- |2:
- }
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- !JIT_G(current_frame) ||
- !JIT_G(current_frame)->call ||
- !TRACE_FRAME_IS_NESTED(JIT_G(current_frame)->call) ||
- prev_opline->opcode == ZEND_SEND_UNPACK ||
- prev_opline->opcode == ZEND_SEND_ARRAY ||
- prev_opline->opcode == ZEND_CHECK_UNDEF_ARGS) {
- | // zend_vm_stack_free_call_frame(call);
- | test byte [RX + offsetof(zend_execute_data, This.u1.type_info) + 2], (ZEND_CALL_ALLOCATED >> 16)
- | jnz >1
- |.cold_code
- |1:
- | mov FCARG1a, RX
- | EXT_CALL zend_jit_free_call_frame, r0
- | jmp >1
- |.code
- }
- | MEM_STORE_ZTS aword, executor_globals, vm_stack_top, RX, r0
- |1:
- if (!RETURN_VALUE_USED(opline)) {
- zend_class_entry *ce;
- bool ce_is_instanceof;
- uint32_t func_info = call_info ?
- zend_get_func_info(call_info, ssa, &ce, &ce_is_instanceof) :
- (MAY_BE_ANY|MAY_BE_REF|MAY_BE_RC1|MAY_BE_RCN);
- /* If an exception is thrown, the return_value may stay at the
- * original value of null. */
- func_info |= MAY_BE_NULL;
- if (func_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)) {
- | ZVAL_PTR_DTOR res_addr, func_info, 1, 1, opline
- }
- }
- | // if (UNEXPECTED(EG(exception) != NULL)) {
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | jne ->icall_throw_handler
- // TODO: Can we avoid checking for interrupts after each call ???
- if (trace && last_valid_opline != opline) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline + 1, ZEND_JIT_EXIT_TO_VM);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- } else {
- exit_addr = NULL;
- }
- if (!zend_jit_check_timeout(Dst, opline + 1, exit_addr)) {
- return 0;
- }
- if ((!trace || !func) && opline->opcode != ZEND_DO_ICALL) {
- | LOAD_IP_ADDR (opline + 1)
- } else if (trace
- && trace->op == ZEND_JIT_TRACE_END
- && trace->stop == ZEND_JIT_TRACE_STOP_INTERPRETER) {
- | LOAD_IP_ADDR (opline + 1)
- }
- }
- if (!func) {
- |9:
- }
- return 1;
- }
- static int zend_jit_send_val(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr)
- {
- uint32_t arg_num = opline->op2.num;
- zend_jit_addr arg_addr;
- ZEND_ASSERT(opline->opcode == ZEND_SEND_VAL || arg_num <= MAX_ARG_FLAG_NUM);
- if (!zend_jit_reuse_ip(Dst)) {
- return 0;
- }
- if (opline->opcode == ZEND_SEND_VAL_EX) {
- uint32_t mask = ZEND_SEND_BY_REF << ((arg_num + 3) * 2);
- ZEND_ASSERT(arg_num <= MAX_ARG_FLAG_NUM);
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && JIT_G(current_frame)
- && JIT_G(current_frame)->call
- && JIT_G(current_frame)->call->func) {
- if (ARG_MUST_BE_SENT_BY_REF(JIT_G(current_frame)->call->func, arg_num)) {
- /* Don't generate code that always throws exception */
- return 0;
- }
- } else if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | mov r0, EX:RX->func
- | test dword [r0 + offsetof(zend_function, quick_arg_flags)], mask
- | jnz &exit_addr
- } else {
- | mov r0, EX:RX->func
- | test dword [r0 + offsetof(zend_function, quick_arg_flags)], mask
- | jnz >1
- |.cold_code
- |1:
- if (Z_MODE(op1_addr) == IS_REG) {
- /* set type to avoid zval_ptr_dtor() on uninitialized value */
- zend_jit_addr addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op1.var);
- | SET_ZVAL_TYPE_INFO addr, IS_UNDEF
- }
- | SET_EX_OPLINE opline, r0
- | jmp ->throw_cannot_pass_by_ref
- |.code
- }
- }
- arg_addr = ZEND_ADDR_MEM_ZVAL(ZREG_RX, opline->result.var);
- if (opline->op1_type == IS_CONST) {
- zval *zv = RT_CONSTANT(opline, opline->op1);
- | ZVAL_COPY_CONST arg_addr, MAY_BE_ANY, MAY_BE_ANY, zv, ZREG_R0
- if (Z_REFCOUNTED_P(zv)) {
- | ADDREF_CONST zv, r0
- }
- } else {
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R0, ZREG_R2
- }
- return 1;
- }
- static int zend_jit_check_undef_args(dasm_State **Dst, const zend_op *opline)
- {
- | mov FCARG1a, EX->call
- | test byte [FCARG1a + offsetof(zend_execute_data, This.u1.type_info) + 3], (ZEND_CALL_MAY_HAVE_UNDEF >> 24)
- | jnz >1
- |.cold_code
- |1:
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_handle_undef_args, r0
- | test r0, r0
- | jnz ->exception_handler
- | jmp >2
- |.code
- |2:
- return 1;
- }
- static int zend_jit_send_ref(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, uint32_t op1_info, int cold)
- {
- zend_jit_addr op1_addr, arg_addr, ref_addr;
- op1_addr = OP1_ADDR();
- arg_addr = ZEND_ADDR_MEM_ZVAL(ZREG_RX, opline->result.var);
- if (!zend_jit_reuse_ip(Dst)) {
- return 0;
- }
- if (opline->op1_type == IS_VAR) {
- if (op1_info & MAY_BE_INDIRECT) {
- | LOAD_ZVAL_ADDR r0, op1_addr
- | // if (EXPECTED(Z_TYPE_P(ret) == IS_INDIRECT)) {
- | IF_NOT_Z_TYPE r0, IS_INDIRECT, >1
- | // ret = Z_INDIRECT_P(ret);
- | GET_Z_PTR r0, r0
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- }
- } else if (opline->op1_type == IS_CV) {
- if (op1_info & MAY_BE_UNDEF) {
- if (op1_info & (MAY_BE_ANY|MAY_BE_REF)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- | SET_ZVAL_TYPE_INFO op1_addr, IS_NULL
- | jmp >2
- |1:
- }
- op1_info &= ~MAY_BE_UNDEF;
- op1_info |= MAY_BE_NULL;
- }
- } else {
- ZEND_UNREACHABLE();
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF)) {
- if (op1_info & MAY_BE_REF) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_REFERENCE, >2
- | GET_ZVAL_PTR r1, op1_addr
- | GC_ADDREF r1
- | SET_ZVAL_PTR arg_addr, r1
- | SET_ZVAL_TYPE_INFO arg_addr, IS_REFERENCE_EX
- | jmp >6
- }
- |2:
- | // ZVAL_NEW_REF(arg, varptr);
- if (opline->op1_type == IS_VAR) {
- if (Z_REG(op1_addr) != ZREG_R0 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR r0, op1_addr
- }
- | mov aword T1, r0 // save
- }
- | EMALLOC sizeof(zend_reference), op_array, opline
- | mov dword [r0], 2
- | mov dword [r0 + offsetof(zend_reference, gc.u.type_info)], GC_REFERENCE
- | mov aword [r0 + offsetof(zend_reference, sources.ptr)], 0
- ref_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, offsetof(zend_reference, val));
- if (opline->op1_type == IS_VAR) {
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R1, 0);
- | mov r1, aword T1 // restore
- | ZVAL_COPY_VALUE ref_addr, MAY_BE_ANY, val_addr, op1_info, ZREG_R2, ZREG_R2
- | SET_ZVAL_PTR val_addr, r0
- | SET_ZVAL_TYPE_INFO val_addr, IS_REFERENCE_EX
- } else {
- | ZVAL_COPY_VALUE ref_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R1, ZREG_R2
- | SET_ZVAL_PTR op1_addr, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_REFERENCE_EX
- }
- | SET_ZVAL_PTR arg_addr, r0
- | SET_ZVAL_TYPE_INFO arg_addr, IS_REFERENCE_EX
- }
- |6:
- | FREE_OP opline->op1_type, opline->op1, op1_info, !cold, opline
- |7:
- return 1;
- }
- static int zend_jit_send_var(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, uint32_t op1_info, zend_jit_addr op1_addr, zend_jit_addr op1_def_addr)
- {
- uint32_t arg_num = opline->op2.num;
- zend_jit_addr arg_addr;
- ZEND_ASSERT((opline->opcode != ZEND_SEND_VAR_EX &&
- opline->opcode != ZEND_SEND_VAR_NO_REF_EX) ||
- arg_num <= MAX_ARG_FLAG_NUM);
- arg_addr = ZEND_ADDR_MEM_ZVAL(ZREG_RX, opline->result.var);
- if (!zend_jit_reuse_ip(Dst)) {
- return 0;
- }
- if (opline->opcode == ZEND_SEND_VAR_EX) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && JIT_G(current_frame)
- && JIT_G(current_frame)->call
- && JIT_G(current_frame)->call->func) {
- if (ARG_SHOULD_BE_SENT_BY_REF(JIT_G(current_frame)->call->func, arg_num)) {
- if (!zend_jit_send_ref(Dst, opline, op_array, op1_info, 0)) {
- return 0;
- }
- return 1;
- }
- } else {
- uint32_t mask = (ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF) << ((arg_num + 3) * 2);
- | mov r0, EX:RX->func
- | test dword [r0 + offsetof(zend_function, quick_arg_flags)], mask
- | jnz >1
- |.cold_code
- |1:
- if (!zend_jit_send_ref(Dst, opline, op_array, op1_info, 1)) {
- return 0;
- }
- | jmp >7
- |.code
- }
- } else if (opline->opcode == ZEND_SEND_VAR_NO_REF_EX) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && JIT_G(current_frame)
- && JIT_G(current_frame)->call
- && JIT_G(current_frame)->call->func) {
- if (ARG_SHOULD_BE_SENT_BY_REF(JIT_G(current_frame)->call->func, arg_num)) {
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R1, ZREG_R2
- if (!ARG_MAY_BE_SENT_BY_REF(JIT_G(current_frame)->call->func, arg_num)) {
- if (!(op1_info & MAY_BE_REF)) {
- /* Don't generate code that always throws exception */
- return 0;
- } else {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | cmp cl, IS_REFERENCE
- | jne &exit_addr
- }
- }
- return 1;
- }
- } else {
- uint32_t mask = (ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF) << ((arg_num + 3) * 2);
- | mov r0, EX:RX->func
- | test dword [r0 + offsetof(zend_function, quick_arg_flags)], mask
- | jnz >1
- |.cold_code
- |1:
- mask = ZEND_SEND_PREFER_REF << ((arg_num + 3) * 2);
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R1, ZREG_R2
- if (op1_info & MAY_BE_REF) {
- | cmp cl, IS_REFERENCE
- | je >7
- }
- | test dword [r0 + offsetof(zend_function, quick_arg_flags)], mask
- | jnz >7
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | jmp &exit_addr
- } else {
- | SET_EX_OPLINE opline, r0
- | LOAD_ZVAL_ADDR FCARG1a, arg_addr
- | EXT_CALL zend_jit_only_vars_by_reference, r0
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- | jmp >7
- }
- |.code
- }
- } else if (opline->opcode == ZEND_SEND_FUNC_ARG) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && JIT_G(current_frame)
- && JIT_G(current_frame)->call
- && JIT_G(current_frame)->call->func) {
- if (ARG_SHOULD_BE_SENT_BY_REF(JIT_G(current_frame)->call->func, arg_num)) {
- if (!zend_jit_send_ref(Dst, opline, op_array, op1_info, 0)) {
- return 0;
- }
- return 1;
- }
- } else {
- | test dword [RX + offsetof(zend_execute_data, This.u1.type_info)], ZEND_CALL_SEND_ARG_BY_REF
- | jnz >1
- |.cold_code
- |1:
- if (!zend_jit_send_ref(Dst, opline, op_array, op1_info, 1)) {
- return 0;
- }
- | jmp >7
- |.code
- }
- }
- if (op1_info & MAY_BE_UNDEF) {
- if (op1_info & (MAY_BE_ANY|MAY_BE_REF)) {
- | IF_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- |.cold_code
- |1:
- }
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- | SET_ZVAL_TYPE_INFO arg_addr, IS_NULL
- | test r0, r0
- | jz ->exception_handler
- if (op1_info & (MAY_BE_ANY|MAY_BE_REF)) {
- | jmp >7
- |.code
- } else {
- |7:
- return 1;
- }
- }
- if (opline->opcode == ZEND_SEND_VAR_NO_REF) {
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R1, ZREG_R2
- if (op1_info & MAY_BE_REF) {
- | cmp cl, IS_REFERENCE
- | je >7
- }
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | jmp &exit_addr
- } else {
- | SET_EX_OPLINE opline, r0
- | LOAD_ZVAL_ADDR FCARG1a, arg_addr
- | EXT_CALL zend_jit_only_vars_by_reference, r0
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- } else {
- if (op1_info & MAY_BE_REF) {
- if (opline->op1_type == IS_CV) {
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | ZVAL_DEREF FCARG1a, op1_info
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, val_addr, op1_info, ZREG_R0, ZREG_R2
- | TRY_ADDREF op1_info, ah, r2
- } else {
- zend_jit_addr ref_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 8);
- | IF_ZVAL_TYPE op1_addr, IS_REFERENCE, >1
- |.cold_code
- |1:
- | // zend_refcounted *ref = Z_COUNTED_P(retval_ptr);
- | GET_ZVAL_PTR FCARG1a, op1_addr
- | // ZVAL_COPY_VALUE(return_value, &ref->value);
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, ref_addr, op1_info, ZREG_R0, ZREG_R2
- | GC_DELREF FCARG1a
- | je >1
- | IF_NOT_REFCOUNTED ah, >2
- | GC_ADDREF r2
- | jmp >2
- |1:
- | EFREE_REG_REFERENCE
- | jmp >2
- |.code
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R0, ZREG_R2
- |2:
- }
- } else {
- if (op1_addr != op1_def_addr) {
- if (!zend_jit_update_regs(Dst, opline->op1.var, op1_addr, op1_def_addr, op1_info)) {
- return 0;
- }
- if (Z_MODE(op1_def_addr) == IS_REG && Z_MODE(op1_addr) != IS_REG) {
- op1_addr= op1_def_addr;
- }
- }
- | ZVAL_COPY_VALUE arg_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R0, ZREG_R2
- if (opline->op1_type == IS_CV) {
- | TRY_ADDREF op1_info, ah, r2
- }
- }
- }
- |7:
- return 1;
- }
- static int zend_jit_check_func_arg(dasm_State **Dst, const zend_op *opline)
- {
- uint32_t arg_num = opline->op2.num;
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && JIT_G(current_frame)
- && JIT_G(current_frame)->call
- && JIT_G(current_frame)->call->func) {
- if (ARG_SHOULD_BE_SENT_BY_REF(JIT_G(current_frame)->call->func, arg_num)) {
- if (!TRACE_FRAME_IS_LAST_SEND_BY_REF(JIT_G(current_frame)->call)) {
- TRACE_FRAME_SET_LAST_SEND_BY_REF(JIT_G(current_frame)->call);
- | // ZEND_ADD_CALL_FLAG(EX(call), ZEND_CALL_SEND_ARG_BY_REF);
- || if (reuse_ip) {
- | or dword [RX + offsetof(zend_execute_data, This.u1.type_info)], ZEND_CALL_SEND_ARG_BY_REF
- || } else {
- | mov r0, EX->call
- | or dword [r0 + offsetof(zend_execute_data, This.u1.type_info)], ZEND_CALL_SEND_ARG_BY_REF
- || }
- }
- } else {
- if (!TRACE_FRAME_IS_LAST_SEND_BY_VAL(JIT_G(current_frame)->call)) {
- TRACE_FRAME_SET_LAST_SEND_BY_VAL(JIT_G(current_frame)->call);
- | // ZEND_DEL_CALL_FLAG(EX(call), ZEND_CALL_SEND_ARG_BY_REF);
- || if (reuse_ip) {
- | and dword [RX + offsetof(zend_execute_data, This.u1.type_info)], ~ZEND_CALL_SEND_ARG_BY_REF
- || } else {
- | mov r0, EX->call
- | and dword [r0 + offsetof(zend_execute_data, This.u1.type_info)], ~ZEND_CALL_SEND_ARG_BY_REF
- || }
- }
- }
- } else {
- // if (QUICK_ARG_SHOULD_BE_SENT_BY_REF(EX(call)->func, arg_num)) {
- uint32_t mask = (ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF) << ((arg_num + 3) * 2);
- if (!zend_jit_reuse_ip(Dst)) {
- return 0;
- }
- | mov r0, EX:RX->func
- | test dword [r0 + offsetof(zend_function, quick_arg_flags)], mask
- | jnz >1
- |.cold_code
- |1:
- | // ZEND_ADD_CALL_FLAG(EX(call), ZEND_CALL_SEND_ARG_BY_REF);
- | or dword [RX + offsetof(zend_execute_data, This.u1.type_info)], ZEND_CALL_SEND_ARG_BY_REF
- | jmp >1
- |.code
- | // ZEND_DEL_CALL_FLAG(EX(call), ZEND_CALL_SEND_ARG_BY_REF);
- | and dword [RX + offsetof(zend_execute_data, This.u1.type_info)], ~ZEND_CALL_SEND_ARG_BY_REF
- |1:
- }
- return 1;
- }
- static int zend_jit_smart_true(dasm_State **Dst, const zend_op *opline, int jmp, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2)
- {
- if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- if (jmp) {
- | jmp >7
- }
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jmp =>target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- if (jmp) {
- | jmp >7
- }
- }
- return 1;
- }
- static int zend_jit_smart_false(dasm_State **Dst, const zend_op *opline, int jmp, zend_uchar smart_branch_opcode, uint32_t target_label)
- {
- if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp =>target_label
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- if (jmp) {
- | jmp >7
- }
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jmp =>target_label
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- if (jmp) {
- | jmp >7
- }
- }
- return 1;
- }
- static int zend_jit_defined(dasm_State **Dst, const zend_op *opline, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- uint32_t defined_label = (uint32_t)-1;
- uint32_t undefined_label = (uint32_t)-1;
- zval *zv = RT_CONSTANT(opline, opline->op1);
- zend_jit_addr res_addr = 0;
- if (smart_branch_opcode && !exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- undefined_label = target_label;
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- defined_label = target_label;
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- undefined_label = target_label;
- defined_label = target_label2;
- } else {
- ZEND_UNREACHABLE();
- }
- }
- | // if (CACHED_PTR(opline->extended_value)) {
- | mov r0, EX->run_time_cache
- | mov r0, aword [r0 + opline->extended_value]
- | test r0, r0
- | jz >1
- | test r0, 0x1
- | jnz >4
- |.cold_code
- |4:
- | MEM_LOAD_ZTS FCARG1a, aword, executor_globals, zend_constants, FCARG1a
- | shr r0, 1
- | cmp dword [FCARG1a + offsetof(HashTable, nNumOfElements)], eax
- if (smart_branch_opcode) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jz &exit_addr
- } else {
- | jz >3
- }
- } else if (undefined_label != (uint32_t)-1) {
- | jz =>undefined_label
- } else {
- | jz >3
- }
- } else {
- | jz >2
- }
- |1:
- | SET_EX_OPLINE opline, r0
- | LOAD_ADDR FCARG1a, zv
- | EXT_CALL zend_jit_check_constant, r0
- | test r0, r0
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jz >3
- } else {
- | jnz >3
- }
- | jmp &exit_addr
- } else if (smart_branch_opcode) {
- if (undefined_label != (uint32_t)-1) {
- | jz =>undefined_label
- } else {
- | jz >3
- }
- if (defined_label != (uint32_t)-1) {
- | jmp =>defined_label
- } else {
- | jmp >3
- }
- } else {
- res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- | jnz >1
- |2:
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- | jmp >3
- }
- |.code
- if (smart_branch_opcode) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- }
- } else if (defined_label != (uint32_t)-1) {
- | jmp =>defined_label
- }
- } else {
- |1:
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- }
- |3:
- return 1;
- }
- static int zend_jit_type_check(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- uint32_t mask;
- zend_jit_addr op1_addr = OP1_ADDR();
- // TODO: support for is_resource() ???
- ZEND_ASSERT(opline->extended_value != MAY_BE_RESOURCE);
- if (op1_info & MAY_BE_UNDEF) {
- if (op1_info & (MAY_BE_ANY|MAY_BE_REF)) {
- | IF_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- |.cold_code
- |1:
- }
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- zend_jit_check_exception_undef_result(Dst, opline);
- if (opline->extended_value & MAY_BE_NULL) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- } else if ((op1_info & (MAY_BE_ANY|MAY_BE_REF)) != 0) {
- | jmp >7
- }
- } else if (!zend_jit_smart_true(Dst, opline, (op1_info & (MAY_BE_ANY|MAY_BE_REF)) != 0, smart_branch_opcode, target_label, target_label2)) {
- return 0;
- }
- } else {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp &exit_addr
- } else if ((op1_info & (MAY_BE_ANY|MAY_BE_REF)) != 0) {
- | jmp >7
- }
- } else if (!zend_jit_smart_false(Dst, opline, (op1_info & (MAY_BE_ANY|MAY_BE_REF)) != 0, smart_branch_opcode, target_label)) {
- return 0;
- }
- }
- if (op1_info & (MAY_BE_ANY|MAY_BE_REF)) {
- |.code
- }
- }
- if (op1_info & (MAY_BE_ANY|MAY_BE_REF)) {
- mask = opline->extended_value;
- if (!(op1_info & MAY_BE_GUARD) && !(op1_info & (MAY_BE_ANY - mask))) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- }
- } else if (!zend_jit_smart_true(Dst, opline, 0, smart_branch_opcode, target_label, target_label2)) {
- return 0;
- }
- } else if (!(op1_info & MAY_BE_GUARD) && !(op1_info & mask)) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp &exit_addr
- }
- } else if (!zend_jit_smart_false(Dst, opline, 0, smart_branch_opcode, target_label)) {
- return 0;
- }
- } else {
- bool invert = 0;
- zend_uchar type;
- switch (mask) {
- case MAY_BE_NULL: type = IS_NULL; break;
- case MAY_BE_FALSE: type = IS_FALSE; break;
- case MAY_BE_TRUE: type = IS_TRUE; break;
- case MAY_BE_LONG: type = IS_LONG; break;
- case MAY_BE_DOUBLE: type = IS_DOUBLE; break;
- case MAY_BE_STRING: type = IS_STRING; break;
- case MAY_BE_ARRAY: type = IS_ARRAY; break;
- case MAY_BE_OBJECT: type = IS_OBJECT; break;
- case MAY_BE_ANY - MAY_BE_NULL: type = IS_NULL; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_FALSE: type = IS_FALSE; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_TRUE: type = IS_TRUE; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_LONG: type = IS_LONG; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_DOUBLE: type = IS_DOUBLE; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_STRING: type = IS_STRING; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_ARRAY: type = IS_ARRAY; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_OBJECT: type = IS_OBJECT; invert = 1; break;
- case MAY_BE_ANY - MAY_BE_RESOURCE: type = IS_OBJECT; invert = 1; break;
- default:
- type = 0;
- }
- if (op1_info & MAY_BE_REF) {
- | LOAD_ZVAL_ADDR r0, op1_addr
- | ZVAL_DEREF r0, op1_info
- }
- if (type == 0) {
- if (smart_branch_opcode &&
- (opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if ((op1_info) & (MAY_BE_ANY-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | // if (Z_REFCOUNTED_P(cv)) {
- | IF_ZVAL_REFCOUNTED op1_addr, >1
- |.cold_code
- |1:
- }
- | // if (!Z_DELREF_P(cv)) {
- | GET_ZVAL_PTR FCARG1a, op1_addr
- | GC_DELREF FCARG1a
- if (RC_MAY_BE_1(op1_info)) {
- if (RC_MAY_BE_N(op1_info)) {
- | jnz >3
- }
- if (op1_info & MAY_BE_REF) {
- | mov al, byte [r0 + 8]
- } else {
- | mov al, byte [FP + opline->op1.var + 8]
- }
- | mov byte T1, al // save
- | // zval_dtor_func(r);
- | ZVAL_DTOR_FUNC op1_info, opline
- | mov cl, byte T1 // restore
- |jmp >2
- }
- if ((op1_info) & (MAY_BE_ANY-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if (!RC_MAY_BE_1(op1_info)) {
- | jmp >3
- }
- |.code
- }
- |3:
- if (op1_info & MAY_BE_REF) {
- | mov cl, byte [r0 + 8]
- } else {
- | mov cl, byte [FP + opline->op1.var + 8]
- }
- |2:
- } else {
- if (op1_info & MAY_BE_REF) {
- | mov cl, byte [r0 + 8]
- } else {
- | mov cl, byte [FP + opline->op1.var + 8]
- }
- }
- | mov eax, 1
- | shl eax, cl
- | test eax, mask
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jne &exit_addr
- } else {
- | je &exit_addr
- }
- } else if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | je =>target_label
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- | jne =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | je =>target_label
- | jmp =>target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- | setne al
- | movzx eax, al
- | add eax, 2
- | SET_ZVAL_TYPE_INFO res_addr, eax
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- } else {
- if (smart_branch_opcode &&
- (opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if ((op1_info) & (MAY_BE_ANY-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | // if (Z_REFCOUNTED_P(cv)) {
- | IF_ZVAL_REFCOUNTED op1_addr, >1
- |.cold_code
- |1:
- }
- | // if (!Z_DELREF_P(cv)) {
- | GET_ZVAL_PTR FCARG1a, op1_addr
- | GC_DELREF FCARG1a
- if (RC_MAY_BE_1(op1_info)) {
- if (RC_MAY_BE_N(op1_info)) {
- | jnz >3
- }
- if (op1_info & MAY_BE_REF) {
- | mov al, byte [r0 + 8]
- } else {
- | mov al, byte [FP + opline->op1.var + 8]
- }
- | mov byte T1, al // save
- | // zval_dtor_func(r);
- | ZVAL_DTOR_FUNC op1_info, opline
- | mov cl, byte T1 // restore
- |jmp >2
- }
- if ((op1_info) & (MAY_BE_ANY-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if (!RC_MAY_BE_1(op1_info)) {
- | jmp >3
- }
- |.code
- }
- |3:
- if (op1_info & MAY_BE_REF) {
- | mov cl, byte [r0 + 8]
- } else {
- | mov cl, byte [FP + opline->op1.var + 8]
- }
- |2:
- | cmp cl, type
- } else {
- if (op1_info & MAY_BE_REF) {
- | cmp byte [r0 + 8], type
- } else {
- | cmp byte [FP + opline->op1.var + 8], type
- }
- }
- if (exit_addr) {
- if (invert) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jne &exit_addr
- } else {
- | je &exit_addr
- }
- } else {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | je &exit_addr
- } else {
- | jne &exit_addr
- }
- }
- } else if (smart_branch_opcode) {
- if (invert) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | je =>target_label
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- | jne =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | je =>target_label
- | jmp =>target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jne =>target_label
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- | je =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jne =>target_label
- | jmp =>target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- }
- } else {
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- if (invert) {
- | setne al
- } else {
- | sete al
- }
- | movzx eax, al
- | add eax, 2
- | SET_ZVAL_TYPE_INFO res_addr, eax
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- }
- }
- }
- |7:
- return 1;
- }
- static int zend_jit_leave_frame(dasm_State **Dst)
- {
- | // EG(current_execute_data) = EX(prev_execute_data);
- | mov r0, EX->prev_execute_data
- | MEM_STORE_ZTS aword, executor_globals, current_execute_data, r0, r2
- return 1;
- }
- static int zend_jit_free_cvs(dasm_State **Dst)
- {
- | // EG(current_execute_data) = EX(prev_execute_data);
- | mov FCARG1a, EX->prev_execute_data
- | MEM_STORE_ZTS aword, executor_globals, current_execute_data, FCARG1a, r0
- | // zend_free_compiled_variables(execute_data);
- | mov FCARG1a, FP
- | EXT_CALL zend_free_compiled_variables, r0
- return 1;
- }
- static int zend_jit_free_cv(dasm_State **Dst, uint32_t info, uint32_t var)
- {
- if (info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)) {
- uint32_t offset = EX_NUM_TO_VAR(var);
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_FP, offset), info, 1, 1, NULL
- }
- return 1;
- }
- static int zend_jit_free_op(dasm_State **Dst, const zend_op *opline, uint32_t info, uint32_t var_offset)
- {
- if (info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)) {
- | ZVAL_PTR_DTOR ZEND_ADDR_MEM_ZVAL(ZREG_FP, var_offset), info, 0, 1, opline
- }
- return 1;
- }
- static int zend_jit_leave_func(dasm_State **Dst,
- const zend_op_array *op_array,
- const zend_op *opline,
- uint32_t op1_info,
- bool left_frame,
- zend_jit_trace_rec *trace,
- zend_jit_trace_info *trace_info,
- int indirect_var_access,
- int may_throw)
- {
- bool may_be_top_frame =
- JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- !JIT_G(current_frame) ||
- !TRACE_FRAME_IS_NESTED(JIT_G(current_frame));
- bool may_need_call_helper =
- indirect_var_access || /* may have symbol table */
- !op_array->function_name || /* may have symbol table */
- may_be_top_frame ||
- (op_array->fn_flags & ZEND_ACC_VARIADIC) || /* may have extra named args */
- JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- !JIT_G(current_frame) ||
- TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)) == -1 || /* unknown number of args */
- (uint32_t)TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)) > op_array->num_args; /* extra args */
- bool may_need_release_this =
- !(op_array->fn_flags & ZEND_ACC_CLOSURE) &&
- op_array->scope &&
- !(op_array->fn_flags & ZEND_ACC_STATIC) &&
- (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- !JIT_G(current_frame) ||
- !TRACE_FRAME_NO_NEED_RELEASE_THIS(JIT_G(current_frame)));
- if (may_need_release_this) {
- | mov FCARG1d, dword [FP + offsetof(zend_execute_data, This.u1.type_info)]
- }
- if (may_need_call_helper) {
- if (!left_frame) {
- left_frame = 1;
- if (!zend_jit_leave_frame(Dst)) {
- return 0;
- }
- }
- /* ZEND_CALL_FAKE_CLOSURE handled on slow path to eliminate check for ZEND_CALL_CLOSURE on fast path */
- if (may_need_release_this) {
- | test FCARG1d, (ZEND_CALL_TOP|ZEND_CALL_HAS_SYMBOL_TABLE|ZEND_CALL_FREE_EXTRA_ARGS|ZEND_CALL_ALLOCATED|ZEND_CALL_HAS_EXTRA_NAMED_PARAMS|ZEND_CALL_FAKE_CLOSURE)
- } else {
- | test dword [FP + offsetof(zend_execute_data, This.u1.type_info)], (ZEND_CALL_TOP|ZEND_CALL_HAS_SYMBOL_TABLE|ZEND_CALL_FREE_EXTRA_ARGS|ZEND_CALL_ALLOCATED|ZEND_CALL_HAS_EXTRA_NAMED_PARAMS|ZEND_CALL_FAKE_CLOSURE)
- }
- if (trace && trace->op != ZEND_JIT_TRACE_END) {
- | jnz >1
- |.cold_code
- |1:
- if (!GCC_GLOBAL_REGS) {
- | mov FCARG1a, FP
- }
- | EXT_CALL zend_jit_leave_func_helper, r0
- if (may_be_top_frame) {
- // TODO: try to avoid this check ???
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- #if 0
- /* this check should be handled by the following OPLINE guard */
- | cmp IP, zend_jit_halt_op
- | je ->trace_halt
- #endif
- } else if (GCC_GLOBAL_REGS) {
- | test IP, IP
- | je ->trace_halt
- } else {
- | test eax, eax
- | jl ->trace_halt
- }
- }
- if (!GCC_GLOBAL_REGS) {
- | // execute_data = EG(current_execute_data)
- | MEM_LOAD_ZTS FP, aword, executor_globals, current_execute_data, r0
- }
- | jmp >8
- |.code
- } else {
- | jnz ->leave_function_handler
- }
- }
- if (op_array->fn_flags & ZEND_ACC_CLOSURE) {
- if (!left_frame) {
- left_frame = 1;
- if (!zend_jit_leave_frame(Dst)) {
- return 0;
- }
- }
- | // OBJ_RELEASE(ZEND_CLOSURE_OBJECT(EX(func)));
- | mov FCARG1a, EX->func
- | sub FCARG1a, sizeof(zend_object)
- | OBJ_RELEASE ZREG_FCARG1, >4
- |4:
- } else if (may_need_release_this) {
- if (!left_frame) {
- left_frame = 1;
- if (!zend_jit_leave_frame(Dst)) {
- return 0;
- }
- }
- | // if (call_info & ZEND_CALL_RELEASE_THIS)
- | test FCARG1d, ZEND_CALL_RELEASE_THIS
- | je >4
- | // zend_object *object = Z_OBJ(execute_data->This);
- | mov FCARG1a, EX->This.value.obj
- | // OBJ_RELEASE(object);
- | OBJ_RELEASE ZREG_FCARG1, >4
- |4:
- // TODO: avoid EG(excption) check for $this->foo() calls
- may_throw = 1;
- }
- | // EG(vm_stack_top) = (zval*)execute_data;
- | MEM_STORE_ZTS aword, executor_globals, vm_stack_top, FP, r0
- | // execute_data = EX(prev_execute_data);
- | mov FP, EX->prev_execute_data
- if (!left_frame) {
- | // EG(current_execute_data) = execute_data;
- | MEM_STORE_ZTS aword, executor_globals, current_execute_data, FP, r0
- }
- |9:
- if (trace) {
- if (trace->op != ZEND_JIT_TRACE_END
- && (JIT_G(current_frame) && !TRACE_FRAME_IS_UNKNOWN_RETURN(JIT_G(current_frame)))) {
- zend_jit_reset_last_valid_opline();
- } else {
- | LOAD_IP
- | ADD_IP sizeof(zend_op)
- }
- |8:
- if (trace->op == ZEND_JIT_TRACE_BACK
- && (!JIT_G(current_frame) || TRACE_FRAME_IS_UNKNOWN_RETURN(JIT_G(current_frame)))) {
- const zend_op *next_opline = trace->opline;
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR))
- && (op1_info & MAY_BE_RC1)
- && (op1_info & (MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_ARRAY_OF_OBJECT|MAY_BE_ARRAY_OF_RESOURCE|MAY_BE_ARRAY_OF_ARRAY))) {
- /* exception might be thrown during destruction of unused return value */
- | // if (EG(exception))
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | jne ->leave_throw_handler
- }
- do {
- trace++;
- } while (trace->op == ZEND_JIT_TRACE_INIT_CALL);
- ZEND_ASSERT(trace->op == ZEND_JIT_TRACE_VM || trace->op == ZEND_JIT_TRACE_END);
- next_opline = trace->opline;
- ZEND_ASSERT(next_opline != NULL);
- if (trace->op == ZEND_JIT_TRACE_END
- && trace->stop == ZEND_JIT_TRACE_STOP_RECURSIVE_RET) {
- trace_info->flags |= ZEND_JIT_TRACE_LOOP;
- | CMP_IP next_opline
- | je =>0 // LOOP
- #ifdef ZEND_VM_HYBRID_JIT_RED_ZONE_SIZE
- | JMP_IP
- #else
- | jmp ->trace_escape
- #endif
- } else {
- | CMP_IP next_opline
- | jne ->trace_escape
- }
- zend_jit_set_last_valid_opline(trace->opline);
- return 1;
- } else if (may_throw ||
- (((opline->op1_type & (IS_VAR|IS_TMP_VAR))
- && (op1_info & MAY_BE_RC1)
- && (op1_info & (MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_ARRAY_OF_OBJECT|MAY_BE_ARRAY_OF_RESOURCE|MAY_BE_ARRAY_OF_ARRAY)))
- && (!JIT_G(current_frame) || TRACE_FRAME_IS_RETURN_VALUE_UNUSED(JIT_G(current_frame))))) {
- | // if (EG(exception))
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | jne ->leave_throw_handler
- }
- return 1;
- } else {
- | // if (EG(exception))
- | MEM_CMP_ZTS aword, executor_globals, exception, 0, r0
- | LOAD_IP
- | jne ->leave_throw_handler
- | // opline = EX(opline) + 1
- | ADD_IP sizeof(zend_op)
- }
- if (zend_jit_vm_kind == ZEND_VM_KIND_HYBRID) {
- | ADD_HYBRID_SPAD
- #ifdef CONTEXT_THREADED_JIT
- | push aword [IP]
- | ret
- #else
- | JMP_IP
- #endif
- } else if (GCC_GLOBAL_REGS) {
- | add r4, SPAD // stack alignment
- #ifdef CONTEXT_THREADED_JIT
- | push aword [IP]
- | ret
- #else
- | JMP_IP
- #endif
- } else {
- #ifdef CONTEXT_THREADED_JIT
- ZEND_UNREACHABLE();
- // TODO: context threading can't work without GLOBAL REGS because we have to change
- // the value of execute_data in execute_ex()
- | mov FCARG1a, FP
- | mov r0, aword [FP]
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | push aword [r0]
- | ret
- #else
- | mov FP, aword T2 // restore FP
- | mov RX, aword T3 // restore IP
- | add r4, NR_SPAD // stack alignment
- | mov r0, 2 // ZEND_VM_LEAVE
- | ret
- #endif
- }
- return 1;
- }
- static int zend_jit_return(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, uint32_t op1_info, zend_jit_addr op1_addr)
- {
- zend_jit_addr ret_addr;
- int8_t return_value_used;
- ZEND_ASSERT(op_array->type != ZEND_EVAL_CODE && op_array->function_name);
- ZEND_ASSERT(!(op1_info & MAY_BE_UNDEF));
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && JIT_G(current_frame)) {
- if (TRACE_FRAME_IS_RETURN_VALUE_USED(JIT_G(current_frame))) {
- return_value_used = 1;
- } else if (TRACE_FRAME_IS_RETURN_VALUE_UNUSED(JIT_G(current_frame))) {
- return_value_used = 0;
- } else {
- return_value_used = -1;
- }
- } else {
- return_value_used = -1;
- }
- if (ZEND_OBSERVER_ENABLED) {
- if (Z_MODE(op1_addr) == IS_REG) {
- zend_jit_addr dst = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op1.var);
- if (!zend_jit_spill_store(Dst, op1_addr, dst, op1_info, 1)) {
- return 0;
- }
- op1_addr = dst;
- }
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- | mov FCARG1a, FP
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_observer_fcall_end, r0
- }
- // if (!EX(return_value))
- if (Z_MODE(op1_addr) == IS_REG && Z_REG(op1_addr) == ZREG_R1) {
- if (return_value_used != 0) {
- | mov r2, EX->return_value
- }
- if (return_value_used == -1) {
- | test r2, r2
- }
- ret_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R2, 0);
- } else {
- if (return_value_used != 0) {
- | mov r1, EX->return_value
- }
- if (return_value_used == -1) {
- | test r1, r1
- }
- ret_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R1, 0);
- }
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if (return_value_used == -1) {
- | jz >1
- |.cold_code
- |1:
- }
- if (return_value_used != 1) {
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF)-(MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if (jit_return_label >= 0) {
- | IF_NOT_ZVAL_REFCOUNTED op1_addr, =>jit_return_label
- } else {
- | IF_NOT_ZVAL_REFCOUNTED op1_addr, >9
- }
- }
- | GET_ZVAL_PTR FCARG1a, op1_addr
- | GC_DELREF FCARG1a
- if (RC_MAY_BE_1(op1_info)) {
- if (RC_MAY_BE_N(op1_info)) {
- if (jit_return_label >= 0) {
- | jnz =>jit_return_label
- } else {
- | jnz >9
- }
- }
- | //SAVE_OPLINE()
- | ZVAL_DTOR_FUNC op1_info, opline
- | //????mov r1, EX->return_value // reload ???
- }
- if (return_value_used == -1) {
- if (jit_return_label >= 0) {
- | jmp =>jit_return_label
- } else {
- | jmp >9
- }
- |.code
- }
- }
- } else if (return_value_used == -1) {
- if (jit_return_label >= 0) {
- | jz =>jit_return_label
- } else {
- | jz >9
- }
- }
- if (return_value_used == 0) {
- |9:
- return 1;
- }
- if (opline->op1_type == IS_CONST) {
- zval *zv = RT_CONSTANT(opline, opline->op1);
- | ZVAL_COPY_CONST ret_addr, MAY_BE_ANY, MAY_BE_ANY, zv, ZREG_R0
- if (Z_REFCOUNTED_P(zv)) {
- | ADDREF_CONST zv, r0
- }
- } else if (opline->op1_type == IS_TMP_VAR) {
- | ZVAL_COPY_VALUE ret_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R0, ZREG_R2
- } else if (opline->op1_type == IS_CV) {
- if (op1_info & MAY_BE_REF) {
- | LOAD_ZVAL_ADDR r0, op1_addr
- | ZVAL_DEREF r0, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- }
- | ZVAL_COPY_VALUE ret_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R0, ZREG_R2
- if (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- (op1_info & (MAY_BE_REF|MAY_BE_OBJECT)) ||
- !op_array->function_name) {
- | TRY_ADDREF op1_info, ah, r2
- } else if (return_value_used != 1) {
- | // if (EXPECTED(!(EX_CALL_INFO() & ZEND_CALL_CODE))) ZVAL_NULL(retval_ptr);
- | SET_ZVAL_TYPE_INFO op1_addr, IS_NULL
- }
- }
- } else {
- if (op1_info & MAY_BE_REF) {
- zend_jit_addr ref_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, offsetof(zend_reference, val));
- | IF_ZVAL_TYPE op1_addr, IS_REFERENCE, >1
- |.cold_code
- |1:
- | // zend_refcounted *ref = Z_COUNTED_P(retval_ptr);
- | GET_ZVAL_PTR r0, op1_addr
- | // ZVAL_COPY_VALUE(return_value, &ref->value);
- | ZVAL_COPY_VALUE ret_addr, MAY_BE_ANY, ref_addr, op1_info, ZREG_R2, ZREG_R2
- | GC_DELREF r0
- | je >2
- | // if (IS_REFCOUNTED())
- if (jit_return_label >= 0) {
- | IF_NOT_REFCOUNTED dh, =>jit_return_label
- } else {
- | IF_NOT_REFCOUNTED dh, >9
- }
- | // ADDREF
- | GET_ZVAL_PTR r2, ret_addr // reload
- | GC_ADDREF r2
- if (jit_return_label >= 0) {
- | jmp =>jit_return_label
- } else {
- | jmp >9
- }
- |2:
- | EFREE_REFERENCE r0
- if (jit_return_label >= 0) {
- | jmp =>jit_return_label
- } else {
- | jmp >9
- }
- |.code
- }
- | ZVAL_COPY_VALUE ret_addr, MAY_BE_ANY, op1_addr, op1_info, ZREG_R0, ZREG_R2
- }
- |9:
- return 1;
- }
- static int zend_jit_zval_copy_deref(dasm_State **Dst, zend_jit_addr res_addr, zend_jit_addr val_addr, zend_reg type_reg)
- {
- ZEND_ASSERT(type_reg == ZREG_R2);
- |.if not(X64)
- || if (Z_REG(val_addr) == ZREG_R1) {
- | GET_ZVAL_W2 r0, val_addr
- || }
- |.endif
- | GET_ZVAL_PTR r1, val_addr
- |.if not(X64)
- || if (Z_REG(val_addr) != ZREG_R1) {
- | GET_ZVAL_W2 r0, val_addr
- || }
- |.endif
- | IF_NOT_REFCOUNTED dh, >2
- | IF_NOT_TYPE dl, IS_REFERENCE, >1
- | GET_Z_TYPE_INFO edx, r1+offsetof(zend_reference, val)
- |.if not(X64)
- | GET_Z_W2 r0, r1+offsetof(zend_reference, val)
- |.endif
- | GET_Z_PTR r1, r1+offsetof(zend_reference, val)
- | IF_NOT_REFCOUNTED dh, >2
- |1:
- | GC_ADDREF r1
- |2:
- | SET_ZVAL_PTR res_addr, r1
- |.if not(X64)
- | SET_ZVAL_W2 res_addr, r0
- |.endif
- | SET_ZVAL_TYPE_INFO res_addr, edx
- return 1;
- }
- static int zend_jit_fetch_dim_read(dasm_State **Dst,
- const zend_op *opline,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- bool op1_avoid_refcounting,
- uint32_t op2_info,
- uint32_t res_info,
- zend_jit_addr res_addr,
- uint8_t dim_type)
- {
- zend_jit_addr orig_op1_addr, op2_addr;
- const void *exit_addr = NULL;
- const void *not_found_exit_addr = NULL;
- const void *res_exit_addr = NULL;
- bool result_avoid_refcounting = 0;
- uint32_t may_be_string = (opline->opcode != ZEND_FETCH_LIST_R) ? MAY_BE_STRING : 0;
- int may_throw = 0;
- orig_op1_addr = OP1_ADDR();
- op2_addr = OP2_ADDR();
- if (opline->opcode != ZEND_FETCH_DIM_IS
- && JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- }
- if ((res_info & MAY_BE_GUARD)
- && JIT_G(current_frame)
- && (op1_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_ARRAY) {
- uint32_t flags = 0;
- uint32_t old_op1_info = 0;
- uint32_t old_info;
- zend_jit_trace_stack *stack = JIT_G(current_frame)->stack;
- int32_t exit_point;
- if (opline->opcode != ZEND_FETCH_LIST_R
- && (opline->op1_type & (IS_VAR|IS_TMP_VAR))
- && !op1_avoid_refcounting) {
- flags |= ZEND_JIT_EXIT_FREE_OP1;
- }
- if ((opline->op2_type & (IS_VAR|IS_TMP_VAR))
- && (op2_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- flags |= ZEND_JIT_EXIT_FREE_OP2;
- }
- if ((opline->result_type & (IS_VAR|IS_TMP_VAR))
- && !(flags & ZEND_JIT_EXIT_FREE_OP1)
- && (res_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))
- && (ssa_op+1)->op1_use == ssa_op->result_def
- && !(op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF) - (MAY_BE_STRING|MAY_BE_LONG)))
- && zend_jit_may_avoid_refcounting(opline+1, res_info)) {
- result_avoid_refcounting = 1;
- ssa->var_info[ssa_op->result_def].avoid_refcounting = 1;
- }
- if (op1_avoid_refcounting) {
- old_op1_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->op1.var));
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->op1.var), ZREG_NONE);
- }
- if (!(op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF) - (MAY_BE_STRING|MAY_BE_LONG)))) {
- old_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var));
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_UNKNOWN, 1);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_ZVAL_COPY_GPR0);
- exit_point = zend_jit_trace_get_exit_point(opline+1, flags);
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var), old_info);
- res_exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!res_exit_addr) {
- return 0;
- }
- res_info &= ~MAY_BE_GUARD;
- ssa->var_info[ssa_op->result_def].type &= ~MAY_BE_GUARD;
- }
- if (opline->opcode == ZEND_FETCH_DIM_IS
- && !(res_info & MAY_BE_NULL)) {
- old_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var));
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_NULL, 0);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_NULL);
- exit_point = zend_jit_trace_get_exit_point(opline+1, flags);
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var), old_info);
- not_found_exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!not_found_exit_addr) {
- return 0;
- }
- }
- if (op1_avoid_refcounting) {
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->op1.var), old_op1_info);
- }
- }
- if (op1_info & MAY_BE_REF) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_ARRAY) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - MAY_BE_ARRAY)) {
- if (exit_addr && !(op1_info & (MAY_BE_OBJECT|may_be_string))) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_ARRAY, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_ARRAY, >7
- }
- }
- | GET_ZVAL_LVAL ZREG_FCARG1, op1_addr
- if ((op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_LONG|MAY_BE_STRING))) ||
- (opline->opcode != ZEND_FETCH_DIM_IS && JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE)) {
- may_throw = 1;
- }
- if (!zend_jit_fetch_dimension_address_inner(Dst, opline, (opline->opcode != ZEND_FETCH_DIM_IS) ? BP_VAR_R : BP_VAR_IS, op1_info, op2_info, dim_type, res_exit_addr, not_found_exit_addr, exit_addr)) {
- return 0;
- }
- }
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_ARRAY)) {
- if (op1_info & MAY_BE_ARRAY) {
- |.cold_code
- |7:
- }
- if (opline->opcode != ZEND_FETCH_LIST_R && (op1_info & MAY_BE_STRING)) {
- may_throw = 1;
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_ARRAY|MAY_BE_STRING))) {
- if (exit_addr && !(op1_info & MAY_BE_OBJECT)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, >6
- }
- }
- | SET_EX_OPLINE opline, r0
- | GET_ZVAL_LVAL ZREG_FCARG1, op1_addr
- if (opline->opcode != ZEND_FETCH_DIM_IS) {
- if ((op2_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) == MAY_BE_LONG) {
- | GET_ZVAL_LVAL ZREG_FCARG2, op2_addr
- | EXT_CALL zend_jit_fetch_dim_str_offset_r_helper, r0
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- | EXT_CALL zend_jit_fetch_dim_str_r_helper, r0
- }
- | SET_ZVAL_PTR res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_STRING
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- | EXT_CALL zend_jit_fetch_dim_str_is_helper, r0
- |.if not(X64)
- | add r4, 12
- |.endif
- }
- if ((op1_info & MAY_BE_ARRAY) ||
- (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_ARRAY|MAY_BE_STRING)))) {
- | jmp >9 // END
- }
- |6:
- }
- if (op1_info & MAY_BE_OBJECT) {
- may_throw = 1;
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_ARRAY|MAY_BE_OBJECT|may_be_string))) {
- if (exit_addr) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, >6
- }
- }
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- if (opline->op2_type == IS_CONST && Z_EXTRA_P(RT_CONSTANT(opline, opline->op2)) == ZEND_EXTRA_VALUE) {
- ZEND_ASSERT(Z_MODE(op2_addr) == IS_CONST_ZVAL);
- | LOAD_ADDR FCARG2a, (Z_ZV(op2_addr) + 1)
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- if (opline->opcode != ZEND_FETCH_DIM_IS) {
- | EXT_CALL zend_jit_fetch_dim_obj_r_helper, r0
- } else {
- | EXT_CALL zend_jit_fetch_dim_obj_is_helper, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- if ((op1_info & MAY_BE_ARRAY) ||
- (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_ARRAY|MAY_BE_OBJECT|may_be_string)))) {
- | jmp >9 // END
- }
- |6:
- }
- if ((op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_ARRAY|MAY_BE_OBJECT|may_be_string)))
- && (!exit_addr || !(op1_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|may_be_string)))) {
- if ((opline->opcode != ZEND_FETCH_DIM_IS && (op1_info & MAY_BE_UNDEF)) || (op2_info & MAY_BE_UNDEF)) {
- | SET_EX_OPLINE opline, r0
- if (opline->opcode != ZEND_FETCH_DIM_IS && (op1_info & MAY_BE_UNDEF)) {
- may_throw = 1;
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- |1:
- }
- if (op2_info & MAY_BE_UNDEF) {
- may_throw = 1;
- | IF_NOT_ZVAL_TYPE op2_addr, IS_UNDEF, >1
- | mov FCARG1d, opline->op2.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- |1:
- }
- }
- if (opline->opcode != ZEND_FETCH_DIM_IS && opline->opcode != ZEND_FETCH_LIST_R) {
- may_throw = 1;
- if ((op1_info & MAY_BE_UNDEF) || (op2_info & MAY_BE_UNDEF)) {
- | LOAD_ZVAL_ADDR FCARG1a, orig_op1_addr
- } else {
- | SET_EX_OPLINE opline, r0
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL ||
- Z_REG(op1_addr) != ZREG_FCARG1 ||
- Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- }
- | EXT_CALL zend_jit_invalid_array_access, r0
- }
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- if (op1_info & MAY_BE_ARRAY) {
- | jmp >9 // END
- }
- }
- if (op1_info & MAY_BE_ARRAY) {
- |.code
- }
- }
- if (op1_info & MAY_BE_ARRAY) {
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- |8:
- if (res_exit_addr) {
- zend_uchar type = concrete_type(res_info);
- if ((op1_info & MAY_BE_ARRAY_OF_REF)
- && dim_type != IS_UNKNOWN
- && dim_type != IS_REFERENCE) {
- if (type < IS_STRING) {
- | IF_NOT_ZVAL_TYPE val_addr, type, >1
- |.cold_code
- |1:
- | IF_NOT_ZVAL_TYPE val_addr, IS_REFERENCE, &res_exit_addr
- | GET_Z_PTR r0, r0
- | add r0, offsetof(zend_reference, val)
- | IF_ZVAL_TYPE val_addr, type, >1
- | jmp &res_exit_addr
- |.code
- |1:
- } else {
- | GET_ZVAL_TYPE_INFO edx, val_addr
- | IF_NOT_TYPE dl, type, >1
- |.cold_code
- |1:
- | IF_NOT_TYPE dl, IS_REFERENCE, &res_exit_addr
- | GET_Z_PTR r0, r0
- | add r0, offsetof(zend_reference, val)
- | GET_ZVAL_TYPE_INFO edx, val_addr
- | IF_TYPE dl, type, >1
- | jmp &res_exit_addr
- |.code
- |1:
- }
- } else {
- if (op1_info & MAY_BE_ARRAY_OF_REF) {
- | ZVAL_DEREF r0, MAY_BE_REF
- }
- if (type < IS_STRING) {
- | IF_NOT_ZVAL_TYPE val_addr, type, &res_exit_addr
- } else {
- | GET_ZVAL_TYPE_INFO edx, val_addr
- | IF_NOT_TYPE dl, type, &res_exit_addr
- }
- }
- | // ZVAL_COPY
- |7:
- | ZVAL_COPY_VALUE_V res_addr, -1, val_addr, res_info, ZREG_R0, ZREG_R1
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- if (type < IS_STRING) {
- if (Z_REG(res_addr) != ZREG_FP ||
- JIT_G(current_frame) == NULL ||
- STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(Z_OFFSET(res_addr))) != type) {
- | SET_ZVAL_TYPE_INFO res_addr, type
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, edx
- if (!result_avoid_refcounting) {
- | TRY_ADDREF res_info, dh, r1
- }
- }
- } else if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, res_info)) {
- return 0;
- }
- } else if (op1_info & MAY_BE_ARRAY_OF_REF) {
- | // ZVAL_COPY_DEREF
- | GET_ZVAL_TYPE_INFO Rd(ZREG_R2), val_addr
- if (!zend_jit_zval_copy_deref(Dst, res_addr, val_addr, ZREG_R2)) {
- return 0;
- }
- } else {
- | // ZVAL_COPY
- | ZVAL_COPY_VALUE res_addr, -1, val_addr, res_info, ZREG_R1, ZREG_R2
- | TRY_ADDREF res_info, ch, r2
- }
- }
- |9: // END
- #ifdef ZEND_JIT_USE_RC_INFERENCE
- if ((opline->op2_type & (IS_TMP_VAR|IS_VAR)) && (op1_info & MAY_BE_OBJECT)) {
- /* Magic offsetGet() may increase refcount of the key */
- op2_info |= MAY_BE_RCN;
- }
- #endif
- if (opline->op2_type & (IS_TMP_VAR|IS_VAR)) {
- if ((op2_info & MAY_HAVE_DTOR) && (op2_info & MAY_BE_RC1)) {
- may_throw = 1;
- }
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- }
- if (opline->opcode != ZEND_FETCH_LIST_R && !op1_avoid_refcounting) {
- if (opline->op1_type & (IS_TMP_VAR|IS_VAR)) {
- if ((op1_info & MAY_HAVE_DTOR) && (op1_info & MAY_BE_RC1)) {
- may_throw = 1;
- }
- | FREE_OP opline->op1_type, opline->op1, op1_info, 0, opline
- }
- }
- if (may_throw) {
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_fetch_dim(dasm_State **Dst,
- const zend_op *opline,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- uint32_t op2_info,
- zend_jit_addr res_addr,
- uint8_t dim_type)
- {
- zend_jit_addr op2_addr;
- int may_throw = 0;
- op2_addr = (opline->op2_type != IS_UNUSED) ? OP2_ADDR() : 0;
- if (op1_info & MAY_BE_REF) {
- may_throw = 1;
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE FCARG1a, IS_REFERENCE, >1
- | GET_Z_PTR FCARG2a, FCARG1a
- | IF_NOT_TYPE byte [FCARG2a + offsetof(zend_reference, val) + offsetof(zval, u1.v.type)], IS_ARRAY, >2
- | lea FCARG1a, [FCARG2a + offsetof(zend_reference, val)]
- | jmp >3
- |.cold_code
- |2:
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_prepare_assign_dim_ref, r0
- | test r0, r0
- | mov FCARG1a, r0
- | jne >1
- | jmp ->exception_handler_undef
- |.code
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_ARRAY) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - MAY_BE_ARRAY)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_ARRAY, >7
- }
- |3:
- | SEPARATE_ARRAY op1_addr, op1_info, 1
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL)) {
- if (op1_info & MAY_BE_ARRAY) {
- |.cold_code
- |7:
- }
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- | CMP_ZVAL_TYPE op1_addr, IS_NULL
- | jg >7
- }
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov T1, Ra(Z_REG(op1_addr)) // save
- }
- if ((op1_info & MAY_BE_UNDEF)
- && opline->opcode == ZEND_FETCH_DIM_RW) {
- may_throw = 1;
- if (op1_info & MAY_BE_NULL) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- }
- | SET_EX_OPLINE opline, r0
- | mov FCARG1a, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- |1:
- }
- | // ZVAL_ARR(container, zend_new_array(8));
- | EXT_CALL _zend_new_array_0, r0
- if (Z_REG(op1_addr) != ZREG_FP) {
- | mov Ra(Z_REG(op1_addr)), T1 // restore
- }
- | SET_ZVAL_LVAL op1_addr, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_ARRAY_EX
- | mov FCARG1a, r0
- if (op1_info & MAY_BE_ARRAY) {
- | jmp >1
- |.code
- |1:
- }
- }
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- |6:
- if (opline->op2_type == IS_UNUSED) {
- may_throw = 1;
- | // var_ptr = zend_hash_next_index_insert(Z_ARRVAL_P(container), &EG(uninitialized_zval));
- | LOAD_ADDR_ZTS FCARG2a, executor_globals, uninitialized_zval
- | EXT_CALL zend_hash_next_index_insert, r0
- | // if (UNEXPECTED(!var_ptr)) {
- | test r0, r0
- | jz >1
- |.cold_code
- |1:
- | // zend_throw_error(NULL, "Cannot add element to the array as the next element is already occupied");
- | CANNOT_ADD_ELEMENT opline
- | SET_ZVAL_TYPE_INFO res_addr, IS_UNDEF
- | //ZEND_VM_C_GOTO(assign_dim_op_ret_null);
- | jmp >8
- |.code
- | SET_ZVAL_PTR res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_INDIRECT
- } else {
- uint32_t type;
- switch (opline->opcode) {
- case ZEND_FETCH_DIM_W:
- case ZEND_FETCH_LIST_W:
- type = BP_VAR_W;
- break;
- case ZEND_FETCH_DIM_RW:
- may_throw = 1;
- type = BP_VAR_RW;
- break;
- case ZEND_FETCH_DIM_UNSET:
- type = BP_VAR_UNSET;
- break;
- default:
- ZEND_UNREACHABLE();
- }
- if (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_LONG|MAY_BE_STRING))) {
- may_throw = 1;
- }
- if (!zend_jit_fetch_dimension_address_inner(Dst, opline, type, op1_info, op2_info, dim_type, NULL, NULL, NULL)) {
- return 0;
- }
- |8:
- | SET_ZVAL_PTR res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_INDIRECT
- if (type == BP_VAR_RW || (op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_LONG|MAY_BE_STRING)))) {
- |.cold_code
- |9:
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- | jmp >8
- |.code
- }
- }
- }
- if (op1_info & (MAY_BE_ANY-(MAY_BE_NULL|MAY_BE_ARRAY))) {
- may_throw = 1;
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- |.cold_code
- |7:
- }
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- if (opline->op2_type == IS_UNUSED) {
- | xor FCARG2a, FCARG2a
- } else if (opline->op2_type == IS_CONST && Z_EXTRA_P(RT_CONSTANT(opline, opline->op2)) == ZEND_EXTRA_VALUE) {
- ZEND_ASSERT(Z_MODE(op2_addr) == IS_CONST_ZVAL);
- | LOAD_ADDR FCARG2a, (Z_ZV(op2_addr) + 1)
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- switch (opline->opcode) {
- case ZEND_FETCH_DIM_W:
- case ZEND_FETCH_LIST_W:
- | EXT_CALL zend_jit_fetch_dim_obj_w_helper, r0
- break;
- case ZEND_FETCH_DIM_RW:
- | EXT_CALL zend_jit_fetch_dim_obj_rw_helper, r0
- break;
- // case ZEND_FETCH_DIM_UNSET:
- // | EXT_CALL zend_jit_fetch_dim_obj_unset_helper, r0
- // break;
- default:
- ZEND_UNREACHABLE();
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- if (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_ARRAY)) {
- | jmp >8 // END
- |.code
- }
- }
- #ifdef ZEND_JIT_USE_RC_INFERENCE
- if ((opline->op2_type & (IS_TMP_VAR|IS_VAR)) && (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_ARRAY|MAY_BE_OBJECT))) {
- /* ASSIGN_DIM may increase refcount of the key */
- op2_info |= MAY_BE_RCN;
- }
- #endif
- if ((opline->op2_type & (IS_TMP_VAR|IS_VAR))
- && (op2_info & MAY_HAVE_DTOR)
- && (op2_info & MAY_BE_RC1)) {
- may_throw = 1;
- }
- |8:
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- if (may_throw) {
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_isset_isempty_dim(dasm_State **Dst,
- const zend_op *opline,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- bool op1_avoid_refcounting,
- uint32_t op2_info,
- uint8_t dim_type,
- int may_throw,
- zend_uchar smart_branch_opcode,
- uint32_t target_label,
- uint32_t target_label2,
- const void *exit_addr)
- {
- zend_jit_addr op2_addr, res_addr;
- // TODO: support for empty() ???
- ZEND_ASSERT(!(opline->extended_value & ZEND_ISEMPTY));
- op2_addr = OP2_ADDR();
- res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- if (op1_info & MAY_BE_REF) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_ARRAY) {
- const void *found_exit_addr = NULL;
- const void *not_found_exit_addr = NULL;
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - MAY_BE_ARRAY)) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_ARRAY, >7
- }
- | GET_ZVAL_LVAL ZREG_FCARG1, op1_addr
- if (exit_addr
- && !(op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_ARRAY))
- && !may_throw
- && (!(opline->op1_type & (IS_TMP_VAR|IS_VAR)) || op1_avoid_refcounting)
- && (!(opline->op2_type & (IS_TMP_VAR|IS_VAR)) || !(op2_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG)))) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- found_exit_addr = exit_addr;
- } else {
- not_found_exit_addr = exit_addr;
- }
- }
- if (!zend_jit_fetch_dimension_address_inner(Dst, opline, BP_JIT_IS, op1_info, op2_info, dim_type, found_exit_addr, not_found_exit_addr, NULL)) {
- return 0;
- }
- if (found_exit_addr) {
- |9:
- return 1;
- } else if (not_found_exit_addr) {
- |8:
- return 1;
- }
- }
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_ARRAY)) {
- if (op1_info & MAY_BE_ARRAY) {
- |.cold_code
- |7:
- }
- if (op1_info & (MAY_BE_STRING|MAY_BE_OBJECT)) {
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- if (opline->op2_type == IS_CONST && Z_EXTRA_P(RT_CONSTANT(opline, opline->op2)) == ZEND_EXTRA_VALUE) {
- ZEND_ASSERT(Z_MODE(op2_addr) == IS_CONST_ZVAL);
- | LOAD_ADDR FCARG2a, (Z_ZV(op2_addr) + 1)
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, op2_addr
- }
- | EXT_CALL zend_jit_isset_dim_helper, r0
- | test r0, r0
- | jz >9
- if (op1_info & MAY_BE_ARRAY) {
- | jmp >8
- |.code
- }
- } else {
- if (op2_info & MAY_BE_UNDEF) {
- if (op2_info & MAY_BE_ANY) {
- | IF_NOT_ZVAL_TYPE op2_addr, IS_UNDEF, >1
- }
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, opline->op2.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- |1:
- }
- if (op1_info & MAY_BE_ARRAY) {
- | jmp >9
- |.code
- }
- }
- }
- #ifdef ZEND_JIT_USE_RC_INFERENCE
- if ((opline->op2_type & (IS_TMP_VAR|IS_VAR)) && (op1_info & MAY_BE_OBJECT)) {
- /* Magic offsetExists() may increase refcount of the key */
- op2_info |= MAY_BE_RCN;
- }
- #endif
- if (op1_info & (MAY_BE_ARRAY|MAY_BE_STRING|MAY_BE_OBJECT)) {
- |8:
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- if (!op1_avoid_refcounting) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 0, opline
- }
- if (may_throw) {
- if (!zend_jit_check_exception_undef_result(Dst, opline)) {
- return 0;
- }
- }
- if (!(opline->extended_value & ZEND_ISEMPTY)) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp &exit_addr
- } else {
- | jmp >8
- }
- } else if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp =>target_label2
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jmp =>target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- | jmp >8
- }
- } else {
- | NIY // TODO: support for empty()
- }
- }
- |9: // not found
- | FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline
- if (!op1_avoid_refcounting) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 0, opline
- }
- if (may_throw) {
- if (!zend_jit_check_exception_undef_result(Dst, opline)) {
- return 0;
- }
- }
- if (!(opline->extended_value & ZEND_ISEMPTY)) {
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp &exit_addr
- }
- } else if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jmp =>target_label
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jmp =>target_label
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- }
- } else {
- | NIY // TODO: support for empty()
- }
- |8:
- return 1;
- }
- static int zend_jit_bind_global(dasm_State **Dst, const zend_op *opline, uint32_t op1_info)
- {
- zend_jit_addr op1_addr = OP1_ADDR();
- zend_string *varname = Z_STR_P(RT_CONSTANT(opline, opline->op2));
- | // idx = (uint32_t)(uintptr_t)CACHED_PTR(opline->extended_value) - 1;
- | mov FCARG2a, EX->run_time_cache
- | mov r0, aword [FCARG2a + opline->extended_value]
- | sub r0, 1
- | // if (EXPECTED(idx < EG(symbol_table).nNumUsed * sizeof(Bucket)))
- | MEM_LOAD_ZTS ecx, dword, executor_globals, symbol_table.nNumUsed, r1
- |.if X64
- | shl r1, 5
- |.else
- | imul r1, sizeof(Bucket)
- |.endif
- | cmp r0, r1
- | jae >9
- | // Bucket *p = (Bucket*)((char*)EG(symbol_table).arData + idx);
- | MEM_LOAD_OP_ZTS add, r0, aword, executor_globals, symbol_table.arData, r1
- | IF_NOT_Z_TYPE r0, IS_REFERENCE, >9
- | // (EXPECTED(p->key == varname))
- | ADDR_CMP aword [r0 + offsetof(Bucket, key)], varname, r1
- | jne >9
- | GET_Z_PTR r0, r0
- | GC_ADDREF r0
- |1:
- if (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | // if (UNEXPECTED(Z_REFCOUNTED_P(variable_ptr)))
- | IF_ZVAL_REFCOUNTED op1_addr, >2
- |.cold_code
- |2:
- }
- | // zend_refcounted *garbage = Z_COUNTED_P(variable_ptr);
- | GET_ZVAL_PTR FCARG1a, op1_addr
- | // ZVAL_REF(variable_ptr, ref)
- | SET_ZVAL_PTR op1_addr, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_REFERENCE_EX
- | // if (GC_DELREF(garbage) == 0)
- | GC_DELREF FCARG1a
- if (op1_info & (MAY_BE_REF|MAY_BE_ARRAY|MAY_BE_OBJECT)) {
- | jnz >3
- } else {
- | jnz >5
- }
- | ZVAL_DTOR_FUNC op1_info, opline
- | jmp >5
- if (op1_info & (MAY_BE_REF|MAY_BE_ARRAY|MAY_BE_OBJECT)) {
- |3:
- | // GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr)
- | IF_GC_MAY_NOT_LEAK FCARG1a, >5
- | EXT_CALL gc_possible_root, r1
- | jmp >5
- }
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- |.code
- }
- }
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF) - (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | // ZVAL_REF(variable_ptr, ref)
- | SET_ZVAL_PTR op1_addr, r0
- | SET_ZVAL_TYPE_INFO op1_addr, IS_REFERENCE_EX
- }
- |5:
- //END of handler
- |.cold_code
- |9:
- | LOAD_ADDR FCARG1a, (ptrdiff_t)varname
- if (opline->extended_value) {
- | add FCARG2a, opline->extended_value
- }
- | EXT_CALL zend_jit_fetch_global_helper, r0
- | jmp <1
- |.code
- return 1;
- }
- static int zend_jit_verify_arg_type(dasm_State **Dst, const zend_op *opline, zend_arg_info *arg_info, bool check_exception)
- {
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- bool in_cold = 0;
- uint32_t type_mask = ZEND_TYPE_PURE_MASK(arg_info->type) & MAY_BE_ANY;
- zend_reg tmp_reg = (type_mask == 0 || is_power_of_two(type_mask)) ? ZREG_FCARG1 : ZREG_R0;
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && JIT_G(current_frame)
- && JIT_G(current_frame)->prev) {
- zend_jit_trace_stack *stack = JIT_G(current_frame)->stack;
- uint8_t type = STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var));
- if (type != IS_UNKNOWN && (type_mask & (1u << type))) {
- return 1;
- }
- }
- if (ZEND_ARG_SEND_MODE(arg_info)) {
- if (opline->opcode == ZEND_RECV_INIT) {
- | LOAD_ZVAL_ADDR Ra(tmp_reg), res_addr
- | ZVAL_DEREF Ra(tmp_reg), MAY_BE_REF
- res_addr = ZEND_ADDR_MEM_ZVAL(tmp_reg, 0);
- } else {
- | GET_ZVAL_PTR Ra(tmp_reg), res_addr
- res_addr = ZEND_ADDR_MEM_ZVAL(tmp_reg, offsetof(zend_reference, val));
- }
- }
- if (type_mask != 0) {
- if (is_power_of_two(type_mask)) {
- uint32_t type_code = concrete_type(type_mask);
- | IF_NOT_ZVAL_TYPE res_addr, type_code, >1
- } else {
- | mov edx, 1
- | mov cl, byte [Ra(Z_REG(res_addr))+Z_OFFSET(res_addr)+offsetof(zval, u1.v.type)]
- | shl edx, cl
- | test edx, type_mask
- | je >1
- }
- |.cold_code
- |1:
- in_cold = 1;
- }
- if (Z_REG(res_addr) != ZREG_FCARG1 || Z_OFFSET(res_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- }
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- | SET_EX_OPLINE opline, r0
- } else {
- | ADDR_STORE aword EX->opline, opline, r0
- }
- | LOAD_ADDR FCARG2a, (ptrdiff_t)arg_info
- | EXT_CALL zend_jit_verify_arg_slow, r0
- if (check_exception) {
- | test al, al
- if (in_cold) {
- | jnz >1
- | jmp ->exception_handler
- |.code
- |1:
- } else {
- | jz ->exception_handler
- }
- } else if (in_cold) {
- | jmp >1
- |.code
- |1:
- }
- return 1;
- }
- static int zend_jit_recv(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array)
- {
- uint32_t arg_num = opline->op1.num;
- zend_arg_info *arg_info = NULL;
- if (op_array->fn_flags & ZEND_ACC_HAS_TYPE_HINTS) {
- if (EXPECTED(arg_num <= op_array->num_args)) {
- arg_info = &op_array->arg_info[arg_num-1];
- } else if (UNEXPECTED(op_array->fn_flags & ZEND_ACC_VARIADIC)) {
- arg_info = &op_array->arg_info[op_array->num_args];
- }
- if (arg_info && !ZEND_TYPE_IS_SET(arg_info->type)) {
- arg_info = NULL;
- }
- }
- if (arg_info || (opline+1)->opcode != ZEND_RECV) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- if (!JIT_G(current_frame) ||
- TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)) < 0 ||
- arg_num > TRACE_FRAME_NUM_ARGS(JIT_G(current_frame))) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | cmp dword EX->This.u2.num_args, arg_num
- | jb &exit_addr
- }
- } else {
- | cmp dword EX->This.u2.num_args, arg_num
- | jb >1
- |.cold_code
- |1:
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- | SET_EX_OPLINE opline, r0
- } else {
- | ADDR_STORE aword EX->opline, opline, r0
- }
- | mov FCARG1a, FP
- | EXT_CALL zend_missing_arg_error, r0
- | jmp ->exception_handler
- |.code
- }
- }
- if (arg_info) {
- if (!zend_jit_verify_arg_type(Dst, opline, arg_info, 1)) {
- return 0;
- }
- }
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE) {
- if ((opline+1)->opcode != ZEND_RECV && (opline+1)->opcode != ZEND_RECV_INIT) {
- | LOAD_IP_ADDR (opline + 1)
- zend_jit_set_last_valid_opline(opline + 1);
- }
- }
- return 1;
- }
- static int zend_jit_recv_init(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, bool is_last, int may_throw)
- {
- uint32_t arg_num = opline->op1.num;
- zval *zv = RT_CONSTANT(opline, opline->op2);
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && JIT_G(current_frame)
- && TRACE_FRAME_NUM_ARGS(JIT_G(current_frame)) >= 0) {
- if (arg_num > TRACE_FRAME_NUM_ARGS(JIT_G(current_frame))) {
- | ZVAL_COPY_CONST res_addr, -1, -1, zv, ZREG_R0
- if (Z_REFCOUNTED_P(zv)) {
- | ADDREF_CONST zv, r0
- }
- }
- } else {
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
- (op_array->fn_flags & ZEND_ACC_HAS_TYPE_HINTS)) {
- | cmp dword EX->This.u2.num_args, arg_num
- | jae >5
- }
- | ZVAL_COPY_CONST res_addr, -1, -1, zv, ZREG_R0
- if (Z_REFCOUNTED_P(zv)) {
- | ADDREF_CONST zv, r0
- }
- }
- if (Z_CONSTANT_P(zv)) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- | SET_EX_OPLINE opline, r0
- } else {
- | ADDR_STORE aword EX->opline, opline, r0
- }
- | LOAD_ZVAL_ADDR FCARG1a, res_addr
- | mov r0, EX->func
- | mov FCARG2a, [r0 + offsetof(zend_op_array, scope)]
- | .if X64
- | EXT_CALL zval_update_constant_ex, r0
- | .else
- ||#if (PHP_VERSION_ID < 80100) && (SIZEOF_SIZE_T == 4)
- | EXT_CALL zval_jit_update_constant_ex, r0
- ||#else
- | EXT_CALL zval_update_constant_ex, r0
- ||#endif
- | .endif
- | test al, al
- | jnz >1
- |.cold_code
- |1:
- | ZVAL_PTR_DTOR res_addr, MAY_BE_ANY|MAY_BE_RC1|MAY_BE_RCN, 1, 0, opline
- | SET_ZVAL_TYPE_INFO res_addr, IS_UNDEF
- | jmp ->exception_handler
- |.code
- }
- |5:
- if (op_array->fn_flags & ZEND_ACC_HAS_TYPE_HINTS) {
- do {
- zend_arg_info *arg_info;
- if (arg_num <= op_array->num_args) {
- arg_info = &op_array->arg_info[arg_num-1];
- } else if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
- arg_info = &op_array->arg_info[op_array->num_args];
- } else {
- break;
- }
- if (!ZEND_TYPE_IS_SET(arg_info->type)) {
- break;
- }
- if (!zend_jit_verify_arg_type(Dst, opline, arg_info, may_throw)) {
- return 0;
- }
- } while (0);
- }
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE) {
- if (is_last) {
- | LOAD_IP_ADDR (opline + 1)
- zend_jit_set_last_valid_opline(opline + 1);
- }
- }
- return 1;
- }
- static int zend_jit_class_guard(dasm_State **Dst, const zend_op *opline, zend_class_entry *ce)
- {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- |.if X64
- || if (!IS_SIGNED_32BIT(ce)) {
- | mov64 r0, ((ptrdiff_t)ce)
- | cmp aword [FCARG1a + offsetof(zend_object, ce)], r0
- || } else {
- | cmp aword [FCARG1a + offsetof(zend_object, ce)], ce
- || }
- |.else
- | cmp aword [FCARG1a + offsetof(zend_object, ce)], ce
- |.endif
- | jne &exit_addr
- return 1;
- }
- static int zend_jit_fetch_obj(dasm_State **Dst,
- const zend_op *opline,
- const zend_op_array *op_array,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- bool op1_indirect,
- zend_class_entry *ce,
- bool ce_is_instanceof,
- bool on_this,
- bool delayed_fetch_this,
- bool op1_avoid_refcounting,
- zend_class_entry *trace_ce,
- uint8_t prop_type,
- int may_throw)
- {
- zval *member;
- zend_property_info *prop_info;
- bool may_be_dynamic = 1;
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- zend_jit_addr this_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, offsetof(zend_execute_data, This));
- zend_jit_addr prop_addr;
- uint32_t res_info = RES_INFO();
- bool type_loaded = 0;
- ZEND_ASSERT(opline->op2_type == IS_CONST);
- ZEND_ASSERT(op1_info & MAY_BE_OBJECT);
- member = RT_CONSTANT(opline, opline->op2);
- ZEND_ASSERT(Z_TYPE_P(member) == IS_STRING && Z_STRVAL_P(member)[0] != '\0');
- prop_info = zend_get_known_property_info(op_array, ce, Z_STR_P(member), on_this, op_array->filename);
- if (on_this) {
- | GET_ZVAL_PTR FCARG1a, this_addr
- } else {
- if (opline->op1_type == IS_VAR
- && opline->opcode == ZEND_FETCH_OBJ_W
- && (op1_info & MAY_BE_INDIRECT)
- && Z_REG(op1_addr) == ZREG_FP) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE FCARG1a, IS_INDIRECT, >1
- | GET_Z_PTR FCARG1a, FCARG1a
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_REF) {
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY)- MAY_BE_OBJECT)) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, >7
- }
- }
- | GET_ZVAL_PTR FCARG1a, op1_addr
- }
- if (!prop_info && trace_ce && (trace_ce->ce_flags & ZEND_ACC_IMMUTABLE)) {
- prop_info = zend_get_known_property_info(op_array, trace_ce, Z_STR_P(member), on_this, op_array->filename);
- if (prop_info) {
- ce = trace_ce;
- ce_is_instanceof = 0;
- if (!(op1_info & MAY_BE_CLASS_GUARD)) {
- if (on_this && JIT_G(current_frame)
- && TRACE_FRAME_IS_THIS_CLASS_CHECKED(JIT_G(current_frame))) {
- ZEND_ASSERT(JIT_G(current_frame)->ce == ce);
- } else if (zend_jit_class_guard(Dst, opline, ce)) {
- if (on_this && JIT_G(current_frame)) {
- JIT_G(current_frame)->ce = ce;
- TRACE_FRAME_SET_THIS_CLASS_CHECKED(JIT_G(current_frame));
- }
- } else {
- return 0;
- }
- if (ssa->var_info && ssa_op->op1_use >= 0) {
- ssa->var_info[ssa_op->op1_use].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op1_use].ce = ce;
- ssa->var_info[ssa_op->op1_use].is_instanceof = ce_is_instanceof;
- }
- }
- }
- }
- if (!prop_info) {
- | mov r0, EX->run_time_cache
- | mov r2, aword [r0 + (opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS)]
- | cmp r2, aword [FCARG1a + offsetof(zend_object, ce)]
- | jne >5
- | mov r0, aword [r0 + (opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS) + sizeof(void*)]
- may_be_dynamic = zend_may_be_dynamic_property(ce, Z_STR_P(member), opline->op1_type == IS_UNUSED, op_array->filename);
- if (may_be_dynamic) {
- | test r0, r0
- if (opline->opcode == ZEND_FETCH_OBJ_W) {
- | jl >5
- } else {
- | jl >8 // dynamic property
- }
- }
- | mov edx, dword [FCARG1a + r0 + 8]
- | IF_UNDEF dl, >5
- | add FCARG1a, r0
- type_loaded = 1;
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- if (opline->opcode == ZEND_FETCH_OBJ_W
- && (!ce || ce_is_instanceof || (ce->ce_flags & ZEND_ACC_HAS_TYPE_HINTS))) {
- uint32_t flags = opline->extended_value & ZEND_FETCH_OBJ_FLAGS;
- | mov r0, EX->run_time_cache
- | mov FCARG2a, aword [r0 + (opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS) + sizeof(void*) * 2]
- | test FCARG2a, FCARG2a
- | jnz >1
- |.cold_code
- |1:
- | test dword [FCARG2a + offsetof(zend_property_info, flags)], ZEND_ACC_READONLY
- if (flags) {
- | jz >3
- } else {
- | jz >4
- }
- | IF_NOT_Z_TYPE FCARG1a, IS_OBJECT, >2
- | GET_Z_PTR r0, FCARG1a
- | GC_ADDREF r0
- | SET_ZVAL_PTR res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_OBJECT_EX
- | jmp >9
- |2:
- | mov FCARG1a, FCARG2a
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_readonly_property_modification_error, r0
- | SET_ZVAL_TYPE_INFO res_addr, _IS_ERROR
- | jmp >9
- |3:
- if (flags == ZEND_FETCH_DIM_WRITE) {
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_check_array_promotion, r0
- | jmp >9
- } else if (flags == ZEND_FETCH_REF) {
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- | EXT_CALL zend_jit_create_typed_ref, r0
- |.if not(X64)
- | add r4, 12
- |.endif
- | jmp >9
- } else {
- ZEND_ASSERT(flags == 0);
- }
- |.code
- |4:
- }
- } else {
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, prop_info->offset);
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- if (opline->opcode == ZEND_FETCH_OBJ_W || !(res_info & MAY_BE_GUARD) || !JIT_G(current_frame)) {
- /* perform IS_UNDEF check only after result type guard (during deoptimization) */
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- type_loaded = 1;
- | mov edx, dword [FCARG1a + prop_info->offset + 8]
- | IF_UNDEF dl, &exit_addr
- }
- } else {
- type_loaded = 1;
- | mov edx, dword [FCARG1a + prop_info->offset + 8]
- | IF_UNDEF dl, >5
- }
- if (opline->opcode == ZEND_FETCH_OBJ_W && (prop_info->flags & ZEND_ACC_READONLY)) {
- if (!type_loaded) {
- type_loaded = 1;
- | mov edx, dword [FCARG1a + prop_info->offset + 8]
- }
- | IF_NOT_TYPE dl, IS_OBJECT, >4
- | GET_ZVAL_PTR r0, prop_addr
- | GC_ADDREF r0
- | SET_ZVAL_PTR res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_OBJECT_EX
- | jmp >9
- |.cold_code
- |4:
- | LOAD_ADDR FCARG1a, prop_info
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_readonly_property_modification_error, r0
- | SET_ZVAL_TYPE_INFO res_addr, _IS_ERROR
- | jmp >9
- |.code
- }
- if (opline->opcode == ZEND_FETCH_OBJ_W
- && (opline->extended_value & ZEND_FETCH_OBJ_FLAGS)
- && ZEND_TYPE_IS_SET(prop_info->type)) {
- uint32_t flags = opline->extended_value & ZEND_FETCH_OBJ_FLAGS;
- if (flags == ZEND_FETCH_DIM_WRITE) {
- if ((ZEND_TYPE_FULL_MASK(prop_info->type) & (MAY_BE_ITERABLE|MAY_BE_ARRAY)) == 0) {
- if (!type_loaded) {
- type_loaded = 1;
- | mov edx, dword [FCARG1a + prop_info->offset + 8]
- }
- | cmp dl, IS_FALSE
- | jle >1
- |.cold_code
- |1:
- if (Z_REG(prop_addr) != ZREG_FCARG1 || Z_OFFSET(prop_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- }
- | LOAD_ADDR FCARG2a, prop_info
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_check_array_promotion, r0
- | jmp >9
- |.code
- }
- } else if (flags == ZEND_FETCH_REF) {
- if (!type_loaded) {
- type_loaded = 1;
- | mov edx, dword [FCARG1a + prop_info->offset + 8]
- }
- | IF_TYPE dl, IS_REFERENCE, >1
- if (ce && ce->ce_flags & ZEND_ACC_IMMUTABLE) {
- | LOAD_ADDR FCARG2a, prop_info
- } else {
- int prop_info_offset =
- (((prop_info->offset - (sizeof(zend_object) - sizeof(zval))) / sizeof(zval)) * sizeof(void*));
- | mov r0, aword [FCARG1a + offsetof(zend_object, ce)]
- | mov r0, aword [r0 + offsetof(zend_class_entry, properties_info_table)]
- | mov FCARG2a, aword[r0 + prop_info_offset]
- }
- if (Z_REG(prop_addr) != ZREG_FCARG1 || Z_OFFSET(prop_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- }
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- | EXT_CALL zend_jit_create_typed_ref, r0
- |.if not(X64)
- | add r4, 12
- |.endif
- | jmp >9
- |1:
- } else {
- ZEND_UNREACHABLE();
- }
- }
- }
- if (opline->opcode == ZEND_FETCH_OBJ_W) {
- if (Z_REG(prop_addr) != ZREG_FCARG1 || Z_OFFSET(prop_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- }
- | SET_ZVAL_PTR res_addr, FCARG1a
- | SET_ZVAL_TYPE_INFO res_addr, IS_INDIRECT
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE && prop_info) {
- ssa->var_info[ssa_op->result_def].indirect_reference = 1;
- }
- } else {
- bool result_avoid_refcounting = 0;
- if ((res_info & MAY_BE_GUARD) && JIT_G(current_frame) && prop_info) {
- uint32_t flags = 0;
- uint32_t old_info;
- zend_jit_trace_stack *stack = JIT_G(current_frame)->stack;
- int32_t exit_point;
- const void *exit_addr;
- zend_uchar type;
- zend_jit_addr val_addr = prop_addr;
- if ((opline->op1_type & (IS_VAR|IS_TMP_VAR))
- && !delayed_fetch_this
- && !op1_avoid_refcounting) {
- flags = ZEND_JIT_EXIT_FREE_OP1;
- }
- if ((opline->result_type & (IS_VAR|IS_TMP_VAR))
- && !(flags & ZEND_JIT_EXIT_FREE_OP1)
- && (res_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))
- && (ssa_op+1)->op1_use == ssa_op->result_def
- && zend_jit_may_avoid_refcounting(opline+1, res_info)) {
- result_avoid_refcounting = 1;
- ssa->var_info[ssa_op->result_def].avoid_refcounting = 1;
- }
- type = concrete_type(res_info);
- if (prop_type != IS_UNKNOWN
- && prop_type != IS_UNDEF
- && prop_type != IS_REFERENCE
- && (op1_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_OBJECT) {
- exit_point = zend_jit_trace_get_exit_point(opline, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- } else {
- val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- | LOAD_ZVAL_ADDR r0, prop_addr
- if (op1_avoid_refcounting) {
- SET_STACK_REG(JIT_G(current_frame)->stack,
- EX_VAR_TO_NUM(opline->op1.var), ZREG_NONE);
- }
- old_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var));
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_UNKNOWN, 1);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_ZVAL_COPY_GPR0);
- exit_point = zend_jit_trace_get_exit_point(opline+1, flags);
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var), old_info);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- if (!type_loaded) {
- type_loaded = 1;
- | mov edx, dword [FCARG1a + prop_info->offset + 8]
- }
- | // ZVAL_DEREF()
- | IF_NOT_TYPE dl, IS_REFERENCE, >1
- | GET_Z_PTR r0, r0
- | add r0, offsetof(zend_reference, val)
- | GET_ZVAL_TYPE_INFO edx, val_addr
- }
- res_info &= ~MAY_BE_GUARD;
- ssa->var_info[ssa_op->result_def].type &= ~MAY_BE_GUARD;
- if (type < IS_STRING) {
- |1:
- if (type_loaded) {
- | IF_NOT_TYPE dl, type, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE val_addr, type, &exit_addr
- }
- } else {
- if (!type_loaded) {
- type_loaded = 1;
- | GET_ZVAL_TYPE_INFO edx, val_addr
- }
- |1:
- | IF_NOT_TYPE dl, type, &exit_addr
- }
- | // ZVAL_COPY
- | ZVAL_COPY_VALUE_V res_addr, -1, val_addr, res_info, ZREG_R0, ZREG_R1
- if (type < IS_STRING) {
- if (Z_REG(res_addr) != ZREG_FP ||
- JIT_G(current_frame) == NULL ||
- STACK_MEM_TYPE(JIT_G(current_frame)->stack, EX_VAR_TO_NUM(Z_OFFSET(res_addr))) != type) {
- | SET_ZVAL_TYPE_INFO res_addr, type
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, edx
- if (!result_avoid_refcounting) {
- | TRY_ADDREF res_info, dh, r1
- }
- }
- } else {
- if (!zend_jit_zval_copy_deref(Dst, res_addr, prop_addr, ZREG_R2)) {
- return 0;
- }
- }
- }
- if (op1_avoid_refcounting) {
- SET_STACK_REG(JIT_G(current_frame)->stack,
- EX_VAR_TO_NUM(opline->op1.var), ZREG_NONE);
- }
- |.cold_code
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE || !prop_info) {
- |5:
- | SET_EX_OPLINE opline, r0
- if (opline->opcode == ZEND_FETCH_OBJ_W) {
- | EXT_CALL zend_jit_fetch_obj_w_slow, r0
- } else if (opline->opcode != ZEND_FETCH_OBJ_IS) {
- | EXT_CALL zend_jit_fetch_obj_r_slow, r0
- } else {
- | EXT_CALL zend_jit_fetch_obj_is_slow, r0
- }
- | jmp >9
- }
- if ((op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF)- MAY_BE_OBJECT)) && JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE) {
- |7:
- if (opline->opcode != ZEND_FETCH_OBJ_IS) {
- | SET_EX_OPLINE opline, r0
- if (opline->opcode != ZEND_FETCH_OBJ_W
- && (op1_info & MAY_BE_UNDEF)) {
- zend_jit_addr orig_op1_addr = OP1_ADDR();
- if (op1_info & MAY_BE_ANY) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >1
- }
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- |1:
- | LOAD_ZVAL_ADDR FCARG1a, orig_op1_addr
- } else if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | LOAD_ADDR FCARG2a, Z_STRVAL_P(member)
- if (opline->opcode == ZEND_FETCH_OBJ_W) {
- | EXT_CALL zend_jit_invalid_property_write, r0
- | SET_ZVAL_TYPE_INFO res_addr, _IS_ERROR
- } else {
- | EXT_CALL zend_jit_invalid_property_read, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- }
- | jmp >9
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- | jmp >9
- }
- }
- if (!prop_info
- && may_be_dynamic
- && opline->opcode != ZEND_FETCH_OBJ_W) {
- |8:
- | mov FCARG2a, r0
- | SET_EX_OPLINE opline, r0
- if (opline->opcode != ZEND_FETCH_OBJ_IS) {
- | EXT_CALL zend_jit_fetch_obj_r_dynamic, r0
- } else {
- | EXT_CALL zend_jit_fetch_obj_is_dynamic, r0
- }
- | jmp >9
- }
- |.code;
- |9: // END
- if (opline->op1_type != IS_UNUSED && !delayed_fetch_this && !op1_indirect) {
- if (opline->op1_type == IS_VAR
- && opline->opcode == ZEND_FETCH_OBJ_W
- && (op1_info & MAY_BE_RC1)) {
- zend_jit_addr orig_op1_addr = OP1_ADDR();
- | IF_NOT_ZVAL_REFCOUNTED orig_op1_addr, >1
- | GET_ZVAL_PTR FCARG1a, orig_op1_addr
- | GC_DELREF FCARG1a
- | jnz >1
- | SET_EX_OPLINE opline, r0
- | EXT_CALL zend_jit_extract_helper, r0
- |1:
- } else if (!op1_avoid_refcounting) {
- if (on_this) {
- op1_info &= ~MAY_BE_RC1;
- }
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- }
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE
- && prop_info
- && (opline->opcode != ZEND_FETCH_OBJ_W ||
- !(opline->extended_value & ZEND_FETCH_OBJ_FLAGS) ||
- !ZEND_TYPE_IS_SET(prop_info->type))
- && (!(opline->op1_type & (IS_VAR|IS_TMP_VAR)) || on_this || op1_indirect)) {
- may_throw = 0;
- }
- if (may_throw) {
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_incdec_obj(dasm_State **Dst,
- const zend_op *opline,
- const zend_op_array *op_array,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- bool op1_indirect,
- zend_class_entry *ce,
- bool ce_is_instanceof,
- bool on_this,
- bool delayed_fetch_this,
- zend_class_entry *trace_ce,
- uint8_t prop_type)
- {
- zval *member;
- zend_string *name;
- zend_property_info *prop_info;
- zend_jit_addr this_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, offsetof(zend_execute_data, This));
- zend_jit_addr res_addr = 0;
- zend_jit_addr prop_addr;
- bool needs_slow_path = 0;
- bool use_prop_guard = 0;
- bool may_throw = 0;
- uint32_t res_info = (opline->result_type != IS_UNDEF) ? RES_INFO() : 0;
- ZEND_ASSERT(opline->op2_type == IS_CONST);
- ZEND_ASSERT(op1_info & MAY_BE_OBJECT);
- if (opline->result_type != IS_UNUSED) {
- res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- }
- member = RT_CONSTANT(opline, opline->op2);
- ZEND_ASSERT(Z_TYPE_P(member) == IS_STRING && Z_STRVAL_P(member)[0] != '\0');
- name = Z_STR_P(member);
- prop_info = zend_get_known_property_info(op_array, ce, name, on_this, op_array->filename);
- if (on_this) {
- | GET_ZVAL_PTR FCARG1a, this_addr
- } else {
- if (opline->op1_type == IS_VAR
- && (op1_info & MAY_BE_INDIRECT)
- && Z_REG(op1_addr) == ZREG_FP) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE FCARG1a, IS_INDIRECT, >1
- | GET_Z_PTR FCARG1a, FCARG1a
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_REF) {
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY)- MAY_BE_OBJECT)) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, >1
- |.cold_code
- |1:
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | LOAD_ADDR FCARG2a, ZSTR_VAL(name)
- | EXT_CALL zend_jit_invalid_property_incdec, r0
- | jmp ->exception_handler
- |.code
- }
- }
- | GET_ZVAL_PTR FCARG1a, op1_addr
- }
- if (!prop_info && trace_ce && (trace_ce->ce_flags & ZEND_ACC_IMMUTABLE)) {
- prop_info = zend_get_known_property_info(op_array, trace_ce, name, on_this, op_array->filename);
- if (prop_info) {
- ce = trace_ce;
- ce_is_instanceof = 0;
- if (!(op1_info & MAY_BE_CLASS_GUARD)) {
- if (on_this && JIT_G(current_frame)
- && TRACE_FRAME_IS_THIS_CLASS_CHECKED(JIT_G(current_frame))) {
- ZEND_ASSERT(JIT_G(current_frame)->ce == ce);
- } else if (zend_jit_class_guard(Dst, opline, ce)) {
- if (on_this && JIT_G(current_frame)) {
- JIT_G(current_frame)->ce = ce;
- TRACE_FRAME_SET_THIS_CLASS_CHECKED(JIT_G(current_frame));
- }
- } else {
- return 0;
- }
- if (ssa->var_info && ssa_op->op1_use >= 0) {
- ssa->var_info[ssa_op->op1_use].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op1_use].ce = ce;
- ssa->var_info[ssa_op->op1_use].is_instanceof = ce_is_instanceof;
- }
- if (ssa->var_info && ssa_op->op1_def >= 0) {
- ssa->var_info[ssa_op->op1_def].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op1_def].ce = ce;
- ssa->var_info[ssa_op->op1_def].is_instanceof = ce_is_instanceof;
- }
- }
- }
- }
- use_prop_guard = (prop_type != IS_UNKNOWN
- && prop_type != IS_UNDEF
- && prop_type != IS_REFERENCE
- && (op1_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_OBJECT);
- if (!prop_info) {
- needs_slow_path = 1;
- | mov r0, EX->run_time_cache
- | mov r2, aword [r0 + opline->extended_value]
- | cmp r2, aword [FCARG1a + offsetof(zend_object, ce)]
- | jne >7
- if (!ce || ce_is_instanceof || (ce->ce_flags & ZEND_ACC_HAS_TYPE_HINTS)) {
- | cmp aword [r0 + opline->extended_value + sizeof(void*) * 2], 0
- | jnz >7
- }
- | mov r0, aword [r0 + opline->extended_value + sizeof(void*)]
- | test r0, r0
- | jl >7
- if (!use_prop_guard) {
- | IF_TYPE byte [FCARG1a + r0 + 8], IS_UNDEF, >7
- }
- | add FCARG1a, r0
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- } else {
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, prop_info->offset);
- if (ZEND_TYPE_IS_SET(prop_info->type) || !use_prop_guard) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_TYPE byte [FCARG1a + prop_info->offset + 8], IS_UNDEF, &exit_addr
- } else {
- | IF_TYPE byte [FCARG1a + prop_info->offset + 8], IS_UNDEF, >7
- needs_slow_path = 1;
- }
- }
- if (ZEND_TYPE_IS_SET(prop_info->type)) {
- may_throw = 1;
- | SET_EX_OPLINE opline, r0
- if (ce && ce->ce_flags & ZEND_ACC_IMMUTABLE) {
- | LOAD_ADDR FCARG2a, prop_info
- } else {
- int prop_info_offset =
- (((prop_info->offset - (sizeof(zend_object) - sizeof(zval))) / sizeof(zval)) * sizeof(void*));
- | mov r0, aword [FCARG1a + offsetof(zend_object, ce)]
- | mov r0, aword [r0 + offsetof(zend_class_entry, properties_info_table)]
- | mov FCARG2a, aword[r0 + prop_info_offset]
- }
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- if (opline->result_type == IS_UNUSED) {
- switch (opline->opcode) {
- case ZEND_PRE_INC_OBJ:
- case ZEND_POST_INC_OBJ:
- | EXT_CALL zend_jit_inc_typed_prop, r0
- break;
- case ZEND_PRE_DEC_OBJ:
- case ZEND_POST_DEC_OBJ:
- | EXT_CALL zend_jit_dec_typed_prop, r0
- break;
- default:
- ZEND_UNREACHABLE();
- }
- } else {
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, res_addr
- |.else
- | sub r4, 12
- | PUSH_ZVAL_ADDR res_addr, r0
- |.endif
- switch (opline->opcode) {
- case ZEND_PRE_INC_OBJ:
- | EXT_CALL zend_jit_pre_inc_typed_prop, r0
- break;
- case ZEND_PRE_DEC_OBJ:
- | EXT_CALL zend_jit_pre_dec_typed_prop, r0
- break;
- case ZEND_POST_INC_OBJ:
- | EXT_CALL zend_jit_post_inc_typed_prop, r0
- break;
- case ZEND_POST_DEC_OBJ:
- | EXT_CALL zend_jit_post_dec_typed_prop, r0
- break;
- default:
- ZEND_UNREACHABLE();
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- }
- }
- }
- if (!prop_info || !ZEND_TYPE_IS_SET(prop_info->type)) {
- uint32_t var_info = MAY_BE_ANY|MAY_BE_REF|MAY_BE_RC1|MAY_BE_RCN;
- zend_jit_addr var_addr = prop_addr;
- if (use_prop_guard) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE var_addr, prop_type, &exit_addr
- var_info = (1 << prop_type) | (var_info & ~(MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF));
- }
- if (var_info & MAY_BE_REF) {
- may_throw = 1;
- var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- if (Z_REG(prop_addr) != ZREG_FCARG1 || Z_OFFSET(prop_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- }
- | IF_NOT_ZVAL_TYPE var_addr, IS_REFERENCE, >2
- | GET_ZVAL_PTR FCARG1a, var_addr
- | cmp aword [FCARG1a + offsetof(zend_reference, sources.ptr)], 0
- | jnz >1
- | lea FCARG1a, aword [FCARG1a + offsetof(zend_reference, val)]
- |.cold_code
- |1:
- if (opline) {
- | SET_EX_OPLINE opline, r0
- }
- if (opline->result_type == IS_UNUSED) {
- | xor FCARG2a, FCARG2a
- } else {
- | LOAD_ZVAL_ADDR FCARG2a, res_addr
- }
- switch (opline->opcode) {
- case ZEND_PRE_INC_OBJ:
- | EXT_CALL zend_jit_pre_inc_typed_ref, r0
- break;
- case ZEND_PRE_DEC_OBJ:
- | EXT_CALL zend_jit_pre_dec_typed_ref, r0
- break;
- case ZEND_POST_INC_OBJ:
- | EXT_CALL zend_jit_post_inc_typed_ref, r0
- break;
- case ZEND_POST_DEC_OBJ:
- | EXT_CALL zend_jit_post_dec_typed_ref, r0
- break;
- default:
- ZEND_UNREACHABLE();
- }
- | jmp >9
- |.code
- |2:
- }
- if (var_info & MAY_BE_LONG) {
- if (var_info & (MAY_BE_ANY - MAY_BE_LONG)) {
- | IF_NOT_ZVAL_TYPE var_addr, IS_LONG, >2
- }
- if (opline->opcode == ZEND_POST_INC_OBJ || opline->opcode == ZEND_POST_DEC_OBJ) {
- if (opline->result_type != IS_UNUSED) {
- | ZVAL_COPY_VALUE res_addr, -1, var_addr, MAY_BE_LONG, ZREG_R1, ZREG_R2
- }
- }
- if (opline->opcode == ZEND_PRE_INC_OBJ || opline->opcode == ZEND_POST_INC_OBJ) {
- | LONG_OP_WITH_32BIT_CONST add, var_addr, Z_L(1)
- } else {
- | LONG_OP_WITH_32BIT_CONST sub, var_addr, Z_L(1)
- }
- | jo >3
- if (opline->opcode == ZEND_PRE_INC_OBJ || opline->opcode == ZEND_PRE_DEC_OBJ) {
- if (opline->result_type != IS_UNUSED) {
- | ZVAL_COPY_VALUE res_addr, -1, var_addr, MAY_BE_LONG, ZREG_R0, ZREG_R2
- }
- }
- |.cold_code
- }
- if (var_info & (MAY_BE_ANY - MAY_BE_LONG)) {
- if (var_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- may_throw = 1;
- }
- if (var_info & MAY_BE_LONG) {
- |2:
- }
- if (Z_REG(var_addr) != ZREG_FCARG1 || Z_OFFSET(var_addr) != 0) {
- var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- }
- if (opline->opcode == ZEND_POST_INC_OBJ || opline->opcode == ZEND_POST_DEC_OBJ) {
- | ZVAL_COPY_VALUE res_addr, -1, var_addr, MAY_BE_ANY, ZREG_R0, ZREG_R2
- | TRY_ADDREF MAY_BE_ANY, ah, r2
- }
- if (opline->opcode == ZEND_PRE_INC_OBJ || opline->opcode == ZEND_POST_INC_OBJ) {
- if (opline->opcode == ZEND_PRE_INC_OBJ && opline->result_type != IS_UNUSED) {
- | LOAD_ZVAL_ADDR FCARG2a, res_addr
- | EXT_CALL zend_jit_pre_inc, r0
- } else {
- | EXT_CALL increment_function, r0
- }
- } else {
- if (opline->opcode == ZEND_PRE_DEC_OBJ && opline->result_type != IS_UNUSED) {
- | LOAD_ZVAL_ADDR FCARG2a, res_addr
- | EXT_CALL zend_jit_pre_dec, r0
- } else {
- | EXT_CALL decrement_function, r0
- }
- }
- if (var_info & MAY_BE_LONG) {
- | jmp >4
- }
- }
- if (var_info & MAY_BE_LONG) {
- |3:
- if (opline->opcode == ZEND_PRE_INC_OBJ || opline->opcode == ZEND_POST_INC_OBJ) {
- |.if X64
- | mov64 rax, 0x43e0000000000000
- | SET_ZVAL_LVAL var_addr, rax
- | SET_ZVAL_TYPE_INFO var_addr, IS_DOUBLE
- if (opline->opcode == ZEND_PRE_INC_OBJ && opline->result_type != IS_UNUSED) {
- | SET_ZVAL_LVAL res_addr, rax
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- |.else
- | SET_ZVAL_LVAL var_addr, 0
- | SET_ZVAL_W2 var_addr, 0x41e00000
- | SET_ZVAL_TYPE_INFO var_addr, IS_DOUBLE
- if (opline->opcode == ZEND_PRE_INC_OBJ && opline->result_type != IS_UNUSED) {
- | SET_ZVAL_LVAL res_addr, 0
- | SET_ZVAL_W2 res_addr, 0x41e00000
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- |.endif
- } else {
- |.if X64
- | mov64 rax, 0xc3e0000000000000
- | SET_ZVAL_LVAL var_addr, rax
- | SET_ZVAL_TYPE_INFO var_addr, IS_DOUBLE
- if (opline->opcode == ZEND_PRE_DEC_OBJ && opline->result_type != IS_UNUSED) {
- | SET_ZVAL_LVAL res_addr, rax
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- |.else
- | SET_ZVAL_LVAL var_addr, 0x00200000
- | SET_ZVAL_W2 var_addr, 0xc1e00000
- | SET_ZVAL_TYPE_INFO var_addr, IS_DOUBLE
- if (opline->opcode == ZEND_PRE_DEC_OBJ && opline->result_type != IS_UNUSED) {
- | SET_ZVAL_LVAL res_addr, 0x00200000
- | SET_ZVAL_W2 res_addr, 0xc1e00000
- | SET_ZVAL_TYPE_INFO res_addr, IS_DOUBLE
- }
- |.endif
- }
- if (opline->result_type != IS_UNUSED
- && (opline->opcode == ZEND_PRE_INC_OBJ || opline->opcode == ZEND_PRE_DEC_OBJ)
- && prop_info
- && !ZEND_TYPE_IS_SET(prop_info->type)
- && (res_info & MAY_BE_GUARD)
- && (res_info & MAY_BE_LONG)) {
- zend_jit_trace_stack *stack = JIT_G(current_frame)->stack;
- uint32_t old_res_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var));
- int32_t exit_point;
- const void *exit_addr;
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_DOUBLE, 0);
- exit_point = zend_jit_trace_get_exit_point(opline + 1, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var), old_res_info);
- ssa->var_info[ssa_op->result_def].type = res_info & ~MAY_BE_GUARD;
- | jmp &exit_addr
- |.code
- } else {
- | jmp >4
- |.code
- |4:
- }
- }
- }
- if (needs_slow_path) {
- may_throw = 1;
- |.cold_code
- |7:
- | SET_EX_OPLINE opline, r0
- | // value = zobj->handlers->write_property(zobj, name, value, CACHE_ADDR(opline->extended_value));
- | LOAD_ADDR FCARG2a, name
- |.if X64
- | mov CARG3, EX->run_time_cache
- | add CARG3, opline->extended_value
- if (opline->result_type == IS_UNUSED) {
- | xor CARG4, CARG4
- } else {
- | LOAD_ZVAL_ADDR CARG4, res_addr
- }
- |.else
- | sub r4, 8
- if (opline->result_type == IS_UNUSED) {
- | push 0
- } else {
- | PUSH_ZVAL_ADDR res_addr, r0
- }
- | mov r0, EX->run_time_cache
- | add r0, opline->extended_value
- | push r0
- |.endif
- switch (opline->opcode) {
- case ZEND_PRE_INC_OBJ:
- | EXT_CALL zend_jit_pre_inc_obj_helper, r0
- break;
- case ZEND_PRE_DEC_OBJ:
- | EXT_CALL zend_jit_pre_dec_obj_helper, r0
- break;
- case ZEND_POST_INC_OBJ:
- | EXT_CALL zend_jit_post_inc_obj_helper, r0
- break;
- case ZEND_POST_DEC_OBJ:
- | EXT_CALL zend_jit_post_dec_obj_helper, r0
- break;
- default:
- ZEND_UNREACHABLE();
- }
- |.if not(X64)
- | add r4, 8
- |.endif
- | jmp >9
- |.code
- }
- |9:
- if (opline->op1_type != IS_UNUSED && !delayed_fetch_this && !op1_indirect) {
- if ((op1_info & MAY_HAVE_DTOR) && (op1_info & MAY_BE_RC1)) {
- may_throw = 1;
- }
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- if (may_throw) {
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_assign_obj_op(dasm_State **Dst,
- const zend_op *opline,
- const zend_op_array *op_array,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- uint32_t val_info,
- zend_ssa_range *val_range,
- bool op1_indirect,
- zend_class_entry *ce,
- bool ce_is_instanceof,
- bool on_this,
- bool delayed_fetch_this,
- zend_class_entry *trace_ce,
- uint8_t prop_type)
- {
- zval *member;
- zend_string *name;
- zend_property_info *prop_info;
- zend_jit_addr val_addr = OP1_DATA_ADDR();
- zend_jit_addr this_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, offsetof(zend_execute_data, This));
- zend_jit_addr prop_addr;
- bool needs_slow_path = 0;
- bool use_prop_guard = 0;
- bool may_throw = 0;
- binary_op_type binary_op = get_binary_op(opline->extended_value);
- ZEND_ASSERT(opline->op2_type == IS_CONST);
- ZEND_ASSERT(op1_info & MAY_BE_OBJECT);
- ZEND_ASSERT(opline->result_type == IS_UNUSED);
- member = RT_CONSTANT(opline, opline->op2);
- ZEND_ASSERT(Z_TYPE_P(member) == IS_STRING && Z_STRVAL_P(member)[0] != '\0');
- name = Z_STR_P(member);
- prop_info = zend_get_known_property_info(op_array, ce, name, on_this, op_array->filename);
- if (on_this) {
- | GET_ZVAL_PTR FCARG1a, this_addr
- } else {
- if (opline->op1_type == IS_VAR
- && (op1_info & MAY_BE_INDIRECT)
- && Z_REG(op1_addr) == ZREG_FP) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE FCARG1a, IS_INDIRECT, >1
- | GET_Z_PTR FCARG1a, FCARG1a
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_REF) {
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY)- MAY_BE_OBJECT)) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, >1
- |.cold_code
- |1:
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | LOAD_ADDR FCARG2a, ZSTR_VAL(name)
- if (op1_info & MAY_BE_UNDEF) {
- | EXT_CALL zend_jit_invalid_property_assign_op, r0
- } else {
- | EXT_CALL zend_jit_invalid_property_assign, r0
- }
- may_throw = 1;
- if (((opline+1)->op1_type & (IS_VAR|IS_TMP_VAR))
- && (val_info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- may_throw = 1;
- | jmp >8
- } else {
- | jmp >9
- }
- |.code
- }
- }
- | GET_ZVAL_PTR FCARG1a, op1_addr
- }
- if (!prop_info && trace_ce && (trace_ce->ce_flags & ZEND_ACC_IMMUTABLE)) {
- prop_info = zend_get_known_property_info(op_array, trace_ce, name, on_this, op_array->filename);
- if (prop_info) {
- ce = trace_ce;
- ce_is_instanceof = 0;
- if (!(op1_info & MAY_BE_CLASS_GUARD)) {
- if (on_this && JIT_G(current_frame)
- && TRACE_FRAME_IS_THIS_CLASS_CHECKED(JIT_G(current_frame))) {
- ZEND_ASSERT(JIT_G(current_frame)->ce == ce);
- } else if (zend_jit_class_guard(Dst, opline, ce)) {
- if (on_this && JIT_G(current_frame)) {
- JIT_G(current_frame)->ce = ce;
- TRACE_FRAME_SET_THIS_CLASS_CHECKED(JIT_G(current_frame));
- }
- } else {
- return 0;
- }
- if (ssa->var_info && ssa_op->op1_use >= 0) {
- ssa->var_info[ssa_op->op1_use].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op1_use].ce = ce;
- ssa->var_info[ssa_op->op1_use].is_instanceof = ce_is_instanceof;
- }
- if (ssa->var_info && ssa_op->op1_def >= 0) {
- ssa->var_info[ssa_op->op1_def].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op1_def].ce = ce;
- ssa->var_info[ssa_op->op1_def].is_instanceof = ce_is_instanceof;
- }
- }
- }
- }
- use_prop_guard = (prop_type != IS_UNKNOWN
- && prop_type != IS_UNDEF
- && prop_type != IS_REFERENCE
- && (op1_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_OBJECT);
- if (!prop_info) {
- needs_slow_path = 1;
- | mov r0, EX->run_time_cache
- | mov r2, aword [r0 + (opline+1)->extended_value]
- | cmp r2, aword [FCARG1a + offsetof(zend_object, ce)]
- | jne >7
- if (!ce || ce_is_instanceof || (ce->ce_flags & ZEND_ACC_HAS_TYPE_HINTS)) {
- | cmp aword [r0 + (opline+1)->extended_value + sizeof(void*) * 2], 0
- | jnz >7
- }
- | mov r0, aword [r0 + (opline+1)->extended_value + sizeof(void*)]
- | test r0, r0
- | jl >7
- if (!use_prop_guard) {
- | IF_TYPE byte [FCARG1a + r0 + 8], IS_UNDEF, >7
- }
- | add FCARG1a, r0
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- } else {
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, prop_info->offset);
- if (ZEND_TYPE_IS_SET(prop_info->type) || !use_prop_guard) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_TYPE byte [FCARG1a + prop_info->offset + 8], IS_UNDEF, &exit_addr
- } else {
- | IF_TYPE byte [FCARG1a + prop_info->offset + 8], IS_UNDEF, >7
- needs_slow_path = 1;
- }
- }
- if (ZEND_TYPE_IS_SET(prop_info->type)) {
- uint32_t info = val_info;
- may_throw = 1;
- if (opline) {
- | SET_EX_OPLINE opline, r0
- }
- | IF_ZVAL_TYPE prop_addr, IS_REFERENCE, >1
- |.cold_code
- |1:
- | GET_ZVAL_PTR FCARG1a, prop_addr
- if (Z_MODE(val_addr) != IS_MEM_ZVAL || Z_REG(val_addr) != ZREG_FCARG2 || Z_OFFSET(val_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG2a, val_addr
- }
- |.if X64
- | LOAD_ADDR CARG3, binary_op
- |.else
- | sub r4, 12
- | PUSH_ADDR binary_op, r0
- |.endif
- if (((opline+1)->op1_type & (IS_TMP_VAR|IS_VAR))
- && (val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | EXT_CALL zend_jit_assign_op_to_typed_ref_tmp, r0
- } else {
- | EXT_CALL zend_jit_assign_op_to_typed_ref, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- | jmp >9
- |.code
- | // value = zend_assign_to_typed_prop(prop_info, property_val, value EXECUTE_DATA_CC);
- if (ce && ce->ce_flags & ZEND_ACC_IMMUTABLE) {
- | LOAD_ADDR FCARG2a, prop_info
- } else {
- int prop_info_offset =
- (((prop_info->offset - (sizeof(zend_object) - sizeof(zval))) / sizeof(zval)) * sizeof(void*));
- | mov r0, aword [FCARG1a + offsetof(zend_object, ce)]
- | mov r0, aword [r0 + offsetof(zend_class_entry, properties_info_table)]
- | mov FCARG2a, aword[r0 + prop_info_offset]
- }
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, val_addr
- | LOAD_ADDR CARG4, binary_op
- |.else
- | sub r4, 8
- | PUSH_ADDR binary_op, r0
- | PUSH_ZVAL_ADDR val_addr, r0
- |.endif
- | EXT_CALL zend_jit_assign_op_to_typed_prop, r0
- |.if not(X64)
- | add r4, 8
- |.endif
- if (info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- info |= MAY_BE_RC1|MAY_BE_RCN;
- }
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, info, 0, NULL
- }
- }
- if (!prop_info || !ZEND_TYPE_IS_SET(prop_info->type)) {
- zend_jit_addr var_addr = prop_addr;
- uint32_t var_info = MAY_BE_ANY|MAY_BE_REF|MAY_BE_RC1|MAY_BE_RCN;
- uint32_t var_def_info = MAY_BE_ANY|MAY_BE_REF|MAY_BE_RC1|MAY_BE_RCN;
- if (use_prop_guard) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE var_addr, prop_type, &exit_addr
- var_info = (1 << prop_type) | (var_info & ~(MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF));
- }
- if (var_info & MAY_BE_REF) {
- may_throw = 1;
- var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- | LOAD_ZVAL_ADDR r0, prop_addr
- | IF_NOT_ZVAL_TYPE var_addr, IS_REFERENCE, >2
- | GET_ZVAL_PTR FCARG1a, var_addr
- | cmp aword [FCARG1a + offsetof(zend_reference, sources.ptr)], 0
- | jnz >1
- | lea r0, aword [FCARG1a + offsetof(zend_reference, val)]
- |.cold_code
- |1:
- if (Z_MODE(val_addr) != IS_MEM_ZVAL || Z_REG(val_addr) != ZREG_FCARG2 || Z_OFFSET(val_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG2a, val_addr
- }
- if (opline) {
- | SET_EX_OPLINE opline, r0
- }
- |.if X64
- | LOAD_ADDR CARG3, binary_op
- |.else
- | sub r4, 12
- | PUSH_ADDR binary_op, r0
- |.endif
- if (((opline+1)->op1_type & (IS_TMP_VAR|IS_VAR))
- && (val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | EXT_CALL zend_jit_assign_op_to_typed_ref_tmp, r0
- } else {
- | EXT_CALL zend_jit_assign_op_to_typed_ref, r0
- }
- |.if not(X64)
- | add r4, 12
- |.endif
- | jmp >9
- |.code
- |2:
- var_info &= ~MAY_BE_REF;
- }
- switch (opline->extended_value) {
- case ZEND_ADD:
- case ZEND_SUB:
- case ZEND_MUL:
- if ((var_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) ||
- (val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if (opline->extended_value != ZEND_ADD ||
- (var_info & MAY_BE_ANY) != MAY_BE_ARRAY ||
- (val_info & MAY_BE_ANY) == MAY_BE_ARRAY) {
- may_throw = 1;
- }
- }
- if (!zend_jit_math_helper(Dst, opline, opline->extended_value, IS_CV, opline->op1, var_addr, var_info, (opline+1)->op1_type, (opline+1)->op1, val_addr, val_info, 0, var_addr, var_def_info, var_info,
- 1 /* may overflow */, 0)) {
- return 0;
- }
- break;
- case ZEND_BW_OR:
- case ZEND_BW_AND:
- case ZEND_BW_XOR:
- may_throw = 1;
- if ((var_info & (MAY_BE_STRING|MAY_BE_DOUBLE|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) ||
- (val_info & (MAY_BE_STRING|MAY_BE_DOUBLE|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if ((var_info & MAY_BE_ANY) != MAY_BE_STRING ||
- (val_info & MAY_BE_ANY) != MAY_BE_STRING) {
- may_throw = 1;
- }
- }
- goto long_math;
- case ZEND_SL:
- case ZEND_SR:
- if ((var_info & (MAY_BE_STRING|MAY_BE_DOUBLE|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) ||
- (val_info & (MAY_BE_STRING|MAY_BE_DOUBLE|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- may_throw = 1;
- }
- if ((opline+1)->op1_type != IS_CONST ||
- Z_TYPE_P(RT_CONSTANT((opline+1), (opline+1)->op1)) != IS_LONG ||
- Z_LVAL_P(RT_CONSTANT((opline+1), (opline+1)->op1)) < 0) {
- may_throw = 1;
- }
- goto long_math;
- case ZEND_MOD:
- if ((var_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) ||
- (val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- if (opline->extended_value != ZEND_ADD ||
- (var_info & MAY_BE_ANY) != MAY_BE_ARRAY ||
- (val_info & MAY_BE_ANY) == MAY_BE_ARRAY) {
- may_throw = 1;
- }
- }
- if ((opline+1)->op1_type != IS_CONST ||
- Z_TYPE_P(RT_CONSTANT((opline+1), (opline+1)->op1)) != IS_LONG ||
- Z_LVAL_P(RT_CONSTANT((opline+1), (opline+1)->op1)) == 0) {
- may_throw = 1;
- }
- long_math:
- if (!zend_jit_long_math_helper(Dst, opline, opline->extended_value,
- IS_CV, opline->op1, var_addr, var_info, NULL,
- (opline+1)->op1_type, (opline+1)->op1, val_addr, val_info,
- val_range,
- 0, var_addr, var_def_info, var_info, /* may throw */ 1)) {
- return 0;
- }
- break;
- case ZEND_CONCAT:
- may_throw = 1;
- if (!zend_jit_concat_helper(Dst, opline, IS_CV, opline->op1, var_addr, var_info, (opline+1)->op1_type, (opline+1)->op1, val_addr, val_info, var_addr,
- 0)) {
- return 0;
- }
- break;
- default:
- ZEND_UNREACHABLE();
- }
- }
- if (needs_slow_path) {
- may_throw = 1;
- |.cold_code
- |7:
- | SET_EX_OPLINE opline, r0
- | // value = zobj->handlers->write_property(zobj, name, value, CACHE_ADDR(opline->extended_value));
- | LOAD_ADDR FCARG2a, name
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, val_addr
- | mov CARG4, EX->run_time_cache
- | add CARG4, (opline+1)->extended_value
- |.if X64WIN
- | LOAD_ADDR r0, binary_op
- | mov aword A5, r0
- |.else
- | LOAD_ADDR CARG5, binary_op
- |.endif
- |.else
- | sub r4, 4
- | PUSH_ADDR binary_op, r0
- | mov r0, EX->run_time_cache
- | add r0, (opline+1)->extended_value
- | push r0
- | PUSH_ZVAL_ADDR val_addr, r0
- |.endif
- | EXT_CALL zend_jit_assign_obj_op_helper, r0
- |.if not(X64)
- | add r4, 4
- |.endif
- if (val_info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- val_info |= MAY_BE_RC1|MAY_BE_RCN;
- }
- |8:
- | // FREE_OP_DATA();
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, val_info, 0, opline
- | jmp >9
- |.code
- }
- |9:
- if (opline->op1_type != IS_UNUSED && !delayed_fetch_this && !op1_indirect) {
- if ((op1_info & MAY_HAVE_DTOR) && (op1_info & MAY_BE_RC1)) {
- may_throw = 1;
- }
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- if (may_throw) {
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_assign_obj(dasm_State **Dst,
- const zend_op *opline,
- const zend_op_array *op_array,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- uint32_t op1_info,
- zend_jit_addr op1_addr,
- uint32_t val_info,
- bool op1_indirect,
- zend_class_entry *ce,
- bool ce_is_instanceof,
- bool on_this,
- bool delayed_fetch_this,
- zend_class_entry *trace_ce,
- uint8_t prop_type,
- int may_throw)
- {
- zval *member;
- zend_string *name;
- zend_property_info *prop_info;
- zend_jit_addr val_addr = OP1_DATA_ADDR();
- zend_jit_addr res_addr = 0;
- zend_jit_addr this_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, offsetof(zend_execute_data, This));
- zend_jit_addr prop_addr;
- bool needs_slow_path = 0;
- bool needs_val_dtor = 0;
- if (RETURN_VALUE_USED(opline)) {
- res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- }
- ZEND_ASSERT(opline->op2_type == IS_CONST);
- ZEND_ASSERT(op1_info & MAY_BE_OBJECT);
- member = RT_CONSTANT(opline, opline->op2);
- ZEND_ASSERT(Z_TYPE_P(member) == IS_STRING && Z_STRVAL_P(member)[0] != '\0');
- name = Z_STR_P(member);
- prop_info = zend_get_known_property_info(op_array, ce, name, on_this, op_array->filename);
- if (on_this) {
- | GET_ZVAL_PTR FCARG1a, this_addr
- } else {
- if (opline->op1_type == IS_VAR
- && (op1_info & MAY_BE_INDIRECT)
- && Z_REG(op1_addr) == ZREG_FP) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- | IF_NOT_Z_TYPE FCARG1a, IS_INDIRECT, >1
- | GET_Z_PTR FCARG1a, FCARG1a
- |1:
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & MAY_BE_REF) {
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | ZVAL_DEREF FCARG1a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- if (op1_info & ((MAY_BE_UNDEF|MAY_BE_ANY)- MAY_BE_OBJECT)) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, &exit_addr
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_OBJECT, >1
- |.cold_code
- |1:
- | SET_EX_OPLINE opline, r0
- if (Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- }
- | LOAD_ADDR FCARG2a, ZSTR_VAL(name)
- | EXT_CALL zend_jit_invalid_property_assign, r0
- if (RETURN_VALUE_USED(opline)) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_NULL
- }
- if (((opline+1)->op1_type & (IS_VAR|IS_TMP_VAR))
- && (val_info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- needs_val_dtor = 1;
- | jmp >7
- } else {
- | jmp >9
- }
- |.code
- }
- }
- | GET_ZVAL_PTR FCARG1a, op1_addr
- }
- if (!prop_info && trace_ce && (trace_ce->ce_flags & ZEND_ACC_IMMUTABLE)) {
- prop_info = zend_get_known_property_info(op_array, trace_ce, name, on_this, op_array->filename);
- if (prop_info) {
- ce = trace_ce;
- ce_is_instanceof = 0;
- if (!(op1_info & MAY_BE_CLASS_GUARD)) {
- if (on_this && JIT_G(current_frame)
- && TRACE_FRAME_IS_THIS_CLASS_CHECKED(JIT_G(current_frame))) {
- ZEND_ASSERT(JIT_G(current_frame)->ce == ce);
- } else if (zend_jit_class_guard(Dst, opline, ce)) {
- if (on_this && JIT_G(current_frame)) {
- JIT_G(current_frame)->ce = ce;
- TRACE_FRAME_SET_THIS_CLASS_CHECKED(JIT_G(current_frame));
- }
- } else {
- return 0;
- }
- if (ssa->var_info && ssa_op->op1_use >= 0) {
- ssa->var_info[ssa_op->op1_use].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op1_use].ce = ce;
- ssa->var_info[ssa_op->op1_use].is_instanceof = ce_is_instanceof;
- }
- if (ssa->var_info && ssa_op->op1_def >= 0) {
- ssa->var_info[ssa_op->op1_def].type |= MAY_BE_CLASS_GUARD;
- ssa->var_info[ssa_op->op1_def].ce = ce;
- ssa->var_info[ssa_op->op1_def].is_instanceof = ce_is_instanceof;
- }
- }
- }
- }
- if (!prop_info) {
- needs_slow_path = 1;
- | mov r0, EX->run_time_cache
- | mov r2, aword [r0 + opline->extended_value]
- | cmp r2, aword [FCARG1a + offsetof(zend_object, ce)]
- | jne >5
- if (!ce || ce_is_instanceof || (ce->ce_flags & ZEND_ACC_HAS_TYPE_HINTS)) {
- | mov FCARG2a, aword [r0 + opline->extended_value + sizeof(void*) * 2]
- }
- | mov r0, aword [r0 + opline->extended_value + sizeof(void*)]
- | test r0, r0
- | jl >5
- | IF_TYPE byte [FCARG1a + r0 + 8], IS_UNDEF, >5
- | add FCARG1a, r0
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- if (!ce || ce_is_instanceof || (ce->ce_flags & ZEND_ACC_HAS_TYPE_HINTS)) {
- | test FCARG2a, FCARG2a
- | jnz >1
- |.cold_code
- |1:
- | // value = zend_assign_to_typed_prop(prop_info, property_val, value EXECUTE_DATA_CC);
- | SET_EX_OPLINE opline, r0
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, val_addr
- if (RETURN_VALUE_USED(opline)) {
- | LOAD_ZVAL_ADDR CARG4, res_addr
- } else {
- | xor CARG4, CARG4
- }
- |.else
- | sub r4, 8
- if (RETURN_VALUE_USED(opline)) {
- | PUSH_ZVAL_ADDR res_addr, r0
- } else {
- | push 0
- }
- | PUSH_ZVAL_ADDR val_addr, r0
- |.endif
- | EXT_CALL zend_jit_assign_to_typed_prop, r0
- |.if not(X64)
- | add r4, 8
- |.endif
- if ((opline+1)->op1_type == IS_CONST) {
- | // TODO: ???
- | // if (Z_TYPE_P(value) == orig_type) {
- | // CACHE_PTR_EX(cache_slot + 2, NULL);
- }
- if (((opline+1)->op1_type & (IS_VAR|IS_TMP_VAR))
- && (val_info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
- | jmp >7
- } else {
- | jmp >9
- }
- |.code
- }
- } else {
- prop_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, prop_info->offset);
- if (!ce || ce_is_instanceof || !(ce->ce_flags & ZEND_ACC_IMMUTABLE) || ce->__get || ce->__set || (prop_info->flags & ZEND_ACC_READONLY)) {
- // Undefined property with magic __get()/__set()
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_TYPE byte [FCARG1a + prop_info->offset + 8], IS_UNDEF, &exit_addr
- } else {
- | IF_TYPE byte [FCARG1a + prop_info->offset + 8], IS_UNDEF, >5
- needs_slow_path = 1;
- }
- }
- if (ZEND_TYPE_IS_SET(prop_info->type)) {
- uint32_t info = val_info;
- | // value = zend_assign_to_typed_prop(prop_info, property_val, value EXECUTE_DATA_CC);
- | SET_EX_OPLINE opline, r0
- if (ce && ce->ce_flags & ZEND_ACC_IMMUTABLE) {
- | LOAD_ADDR FCARG2a, prop_info
- } else {
- int prop_info_offset =
- (((prop_info->offset - (sizeof(zend_object) - sizeof(zval))) / sizeof(zval)) * sizeof(void*));
- | mov r0, aword [FCARG1a + offsetof(zend_object, ce)]
- | mov r0, aword [r0 + offsetof(zend_class_entry, properties_info_table)]
- | mov FCARG2a, aword[r0 + prop_info_offset]
- }
- | LOAD_ZVAL_ADDR FCARG1a, prop_addr
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, val_addr
- if (RETURN_VALUE_USED(opline)) {
- | LOAD_ZVAL_ADDR CARG4, res_addr
- } else {
- | xor CARG4, CARG4
- }
- |.else
- | sub r4, 8
- if (RETURN_VALUE_USED(opline)) {
- | PUSH_ZVAL_ADDR res_addr, r0
- } else {
- | push 0
- }
- | PUSH_ZVAL_ADDR val_addr, r0
- |.endif
- | EXT_CALL zend_jit_assign_to_typed_prop, r0
- |.if not(X64)
- | add r4, 8
- |.endif
- if (info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- info |= MAY_BE_RC1|MAY_BE_RCN;
- }
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, info, 0, NULL
- }
- }
- if (!prop_info || !ZEND_TYPE_IS_SET(prop_info->type)) {
- // value = zend_assign_to_variable(property_val, value, OP_DATA_TYPE, EX_USES_STRICT_TYPES());
- if (opline->result_type == IS_UNUSED) {
- if (!zend_jit_assign_to_variable_call(Dst, opline, prop_addr, prop_addr, -1, -1, (opline+1)->op1_type, val_addr, val_info, res_addr, 0)) {
- return 0;
- }
- } else {
- if (!zend_jit_assign_to_variable(Dst, opline, prop_addr, prop_addr, -1, -1, (opline+1)->op1_type, val_addr, val_info, res_addr, 0)) {
- return 0;
- }
- }
- }
- if (needs_slow_path) {
- |.cold_code
- |5:
- | SET_EX_OPLINE opline, r0
- | // value = zobj->handlers->write_property(zobj, name, value, CACHE_ADDR(opline->extended_value));
- | LOAD_ADDR FCARG2a, name
- |.if X64
- | LOAD_ZVAL_ADDR CARG3, val_addr
- | mov CARG4, EX->run_time_cache
- | add CARG4, opline->extended_value
- if (RETURN_VALUE_USED(opline)) {
- |.if X64WIN
- | LOAD_ZVAL_ADDR r0, res_addr
- | mov aword A5, r0
- |.else
- | LOAD_ZVAL_ADDR CARG5, res_addr
- |.endif
- } else {
- |.if X64WIN
- | mov aword A5, 0
- |.else
- | xor CARG5, CARG5
- |.endif
- }
- |.else
- | sub r4, 4
- if (RETURN_VALUE_USED(opline)) {
- | PUSH_ZVAL_ADDR res_addr, r0
- } else {
- | push 0
- }
- | mov r0, EX->run_time_cache
- | add r0, opline->extended_value
- | push r0
- | PUSH_ZVAL_ADDR val_addr, r0
- |.endif
- | EXT_CALL zend_jit_assign_obj_helper, r0
- |.if not(X64)
- | add r4, 4
- |.endif
- if (val_info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- val_info |= MAY_BE_RC1|MAY_BE_RCN;
- }
- |7:
- | // FREE_OP_DATA();
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, val_info, 0, opline
- | jmp >9
- |.code
- } else if (needs_val_dtor) {
- |.cold_code
- |7:
- | // FREE_OP_DATA();
- | FREE_OP (opline+1)->op1_type, (opline+1)->op1, val_info, 0, opline
- | jmp >9
- |.code
- }
- |9:
- if (opline->op1_type != IS_UNUSED && !delayed_fetch_this && !op1_indirect) {
- | FREE_OP opline->op1_type, opline->op1, op1_info, 1, opline
- }
- if (may_throw) {
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_free(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, int may_throw)
- {
- zend_jit_addr op1_addr = OP1_ADDR();
- if (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF)) {
- if (may_throw) {
- | SET_EX_OPLINE opline, r0
- }
- if (opline->opcode == ZEND_FE_FREE && (op1_info & (MAY_BE_OBJECT|MAY_BE_REF))) {
- if (op1_info & MAY_BE_ARRAY) {
- | IF_ZVAL_TYPE op1_addr, IS_ARRAY, >7
- }
- | mov FCARG1d, dword [FP + opline->op1.var + offsetof(zval, u2.fe_iter_idx)]
- | cmp FCARG1d, -1
- | je >7
- | EXT_CALL zend_hash_iterator_del, r0
- |7:
- }
- | ZVAL_PTR_DTOR op1_addr, op1_info, 0, 0, opline
- if (may_throw) {
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- }
- return 1;
- }
- static int zend_jit_echo(dasm_State **Dst, const zend_op *opline, uint32_t op1_info)
- {
- if (opline->op1_type == IS_CONST) {
- zval *zv;
- size_t len;
- zv = RT_CONSTANT(opline, opline->op1);
- ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING);
- len = Z_STRLEN_P(zv);
- if (len > 0) {
- const char *str = Z_STRVAL_P(zv);
- | SET_EX_OPLINE opline, r0
- |.if X64
- | LOAD_ADDR CARG1, str
- | LOAD_ADDR CARG2, len
- | EXT_CALL zend_write, r0
- |.else
- | mov aword A2, len
- | mov aword A1, str
- | EXT_CALL zend_write, r0
- |.endif
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- } else {
- zend_jit_addr op1_addr = OP1_ADDR();
- ZEND_ASSERT((op1_info & (MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_STRING);
- | SET_EX_OPLINE opline, r0
- | GET_ZVAL_PTR r0, op1_addr
- |.if X64
- | lea CARG1, aword [r0 + offsetof(zend_string, val)]
- | mov CARG2, aword [r0 + offsetof(zend_string, len)]
- | EXT_CALL zend_write, r0
- |.else
- | add r0, offsetof(zend_string, val)
- | mov aword A1, r0
- | mov r0, aword [r0 + (offsetof(zend_string, len)-offsetof(zend_string, val))]
- | mov aword A2, r0
- | EXT_CALL zend_write, r0
- |.endif
- if (opline->op1_type & (IS_VAR|IS_TMP_VAR)) {
- | ZVAL_PTR_DTOR op1_addr, op1_info, 0, 0, opline
- }
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_strlen(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, zend_jit_addr res_addr)
- {
- if (opline->op1_type == IS_CONST) {
- zval *zv;
- size_t len;
- zv = RT_CONSTANT(opline, opline->op1);
- ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING);
- len = Z_STRLEN_P(zv);
- | SET_ZVAL_LVAL res_addr, len
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- } else if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, MAY_BE_LONG)) {
- return 0;
- }
- } else {
- ZEND_ASSERT((op1_info & (MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_STRING);
- if (Z_MODE(res_addr) == IS_REG) {
- | GET_ZVAL_PTR Ra(Z_REG(res_addr)), op1_addr
- | mov Ra(Z_REG(res_addr)), aword [Ra(Z_REG(res_addr))+offsetof(zend_string, len)]
- if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, MAY_BE_LONG)) {
- return 0;
- }
- } else {
- | GET_ZVAL_PTR r0, op1_addr
- | mov r0, aword [r0 + offsetof(zend_string, len)]
- | SET_ZVAL_LVAL res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- }
- | FREE_OP opline->op1_type, opline->op1, op1_info, 0, opline
- }
- return 1;
- }
- static int zend_jit_count(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, zend_jit_addr res_addr, int may_throw)
- {
- if (opline->op1_type == IS_CONST) {
- zval *zv;
- zend_long count;
- zv = RT_CONSTANT(opline, opline->op1);
- ZEND_ASSERT(Z_TYPE_P(zv) == IS_ARRAY);
- count = zend_hash_num_elements(Z_ARRVAL_P(zv));
- | SET_ZVAL_LVAL res_addr, count
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- } else if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, MAY_BE_LONG)) {
- return 0;
- }
- } else {
- ZEND_ASSERT((op1_info & (MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_ARRAY);
- // Note: See the implementation of ZEND_COUNT in Zend/zend_vm_def.h - arrays do not contain IS_UNDEF starting in php 8.1+.
- if (Z_MODE(res_addr) == IS_REG) {
- | GET_ZVAL_PTR Ra(Z_REG(res_addr)), op1_addr
- // Sign-extend the 32-bit value to a potentially 64-bit zend_long
- | mov Rd(Z_REG(res_addr)), dword [Ra(Z_REG(res_addr))+offsetof(HashTable, nNumOfElements)]
- if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, MAY_BE_LONG)) {
- return 0;
- }
- } else {
- | GET_ZVAL_PTR r0, op1_addr
- // Sign-extend the 32-bit value to a potentially 64-bit zend_long
- | mov eax, dword [r0 + offsetof(HashTable, nNumOfElements)]
- | SET_ZVAL_LVAL res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- }
- | FREE_OP opline->op1_type, opline->op1, op1_info, 0, opline
- }
- if (may_throw) {
- return zend_jit_check_exception(Dst);
- }
- return 1;
- }
- static int zend_jit_load_this(dasm_State **Dst, uint32_t var)
- {
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, var);
- | mov FCARG1a, aword EX->This.value.ptr
- | SET_ZVAL_PTR var_addr, FCARG1a
- | SET_ZVAL_TYPE_INFO var_addr, IS_OBJECT_EX
- | GC_ADDREF FCARG1a
- return 1;
- }
- static int zend_jit_fetch_this(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, bool check_only)
- {
- if (!op_array->scope || (op_array->fn_flags & ZEND_ACC_STATIC)) {
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- if (!JIT_G(current_frame) ||
- !TRACE_FRAME_IS_THIS_CHECKED(JIT_G(current_frame))) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, ZEND_JIT_EXIT_TO_VM);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | cmp byte EX->This.u1.v.type, IS_OBJECT
- | jne &exit_addr
- if (JIT_G(current_frame)) {
- TRACE_FRAME_SET_THIS_CHECKED(JIT_G(current_frame));
- }
- }
- } else {
- | cmp byte EX->This.u1.v.type, IS_OBJECT
- | jne >1
- |.cold_code
- |1:
- | SET_EX_OPLINE opline, r0
- | jmp ->invalid_this
- |.code
- }
- }
- if (!check_only) {
- if (!zend_jit_load_this(Dst, opline->result.var)) {
- return 0;
- }
- }
- return 1;
- }
- static int zend_jit_hash_jmp(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, zend_ssa *ssa, HashTable *jumptable, int default_b, const void *default_label, const zend_op *next_opline, zend_jit_trace_info *trace_info)
- {
- uint32_t count;
- Bucket *p;
- const zend_op *target;
- int b;
- int32_t exit_point;
- const void *exit_addr;
- | test r0, r0
- if (default_label) {
- | jz &default_label
- } else if (next_opline) {
- | jz >3
- } else {
- | jz =>default_b
- }
- | LOAD_ADDR FCARG1a, jumptable
- | sub r0, aword [FCARG1a + offsetof(HashTable, arData)]
- | mov FCARG1a, (sizeof(Bucket) / sizeof(void*))
- |.if X64
- | cqo
- |.else
- | cdq
- |.endif
- | idiv FCARG1a
- |.if X64
- if (!IS_32BIT(dasm_end)) {
- | lea FCARG1a, aword [>4]
- | jmp aword [FCARG1a + r0]
- } else {
- | jmp aword [r0 + >4]
- }
- |.else
- | jmp aword [r0 + >4]
- |.endif
- |.jmp_table
- |.align aword
- |4:
- if (trace_info) {
- trace_info->jmp_table_size += zend_hash_num_elements(jumptable);
- }
- count = jumptable->nNumUsed;
- p = jumptable->arData;
- do {
- if (Z_TYPE(p->val) == IS_UNDEF) {
- if (default_label) {
- | .aword &default_label
- } else if (next_opline) {
- | .aword >3
- } else {
- | .aword =>default_b
- }
- } else {
- target = ZEND_OFFSET_TO_OPLINE(opline, Z_LVAL(p->val));
- if (!next_opline) {
- b = ssa->cfg.map[target - op_array->opcodes];
- | .aword =>b
- } else if (next_opline == target) {
- | .aword >3
- } else {
- exit_point = zend_jit_trace_get_exit_point(target, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | .aword &exit_addr
- }
- }
- p++;
- count--;
- } while (count);
- |.code
- return 1;
- }
- static int zend_jit_switch(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, zend_ssa *ssa, zend_jit_trace_rec *trace, zend_jit_trace_info *trace_info)
- {
- HashTable *jumptable = Z_ARRVAL_P(RT_CONSTANT(opline, opline->op2));
- const zend_op *next_opline = NULL;
- if (trace) {
- ZEND_ASSERT(trace->op == ZEND_JIT_TRACE_VM || trace->op == ZEND_JIT_TRACE_END);
- ZEND_ASSERT(trace->opline != NULL);
- next_opline = trace->opline;
- }
- if (opline->op1_type == IS_CONST) {
- zval *zv = RT_CONSTANT(opline, opline->op1);
- zval *jump_zv = NULL;
- int b;
- if (opline->opcode == ZEND_SWITCH_LONG) {
- if (Z_TYPE_P(zv) == IS_LONG) {
- jump_zv = zend_hash_index_find(jumptable, Z_LVAL_P(zv));
- }
- } else if (opline->opcode == ZEND_SWITCH_STRING) {
- if (Z_TYPE_P(zv) == IS_STRING) {
- jump_zv = zend_hash_find_known_hash(jumptable, Z_STR_P(zv));
- }
- } else if (opline->opcode == ZEND_MATCH) {
- if (Z_TYPE_P(zv) == IS_LONG) {
- jump_zv = zend_hash_index_find(jumptable, Z_LVAL_P(zv));
- } else if (Z_TYPE_P(zv) == IS_STRING) {
- jump_zv = zend_hash_find_known_hash(jumptable, Z_STR_P(zv));
- }
- } else {
- ZEND_UNREACHABLE();
- }
- if (next_opline) {
- const zend_op *target;
- if (jump_zv != NULL) {
- target = ZEND_OFFSET_TO_OPLINE(opline, Z_LVAL_P(jump_zv));
- } else {
- target = ZEND_OFFSET_TO_OPLINE(opline, opline->extended_value);
- }
- ZEND_ASSERT(target == next_opline);
- } else {
- if (jump_zv != NULL) {
- b = ssa->cfg.map[ZEND_OFFSET_TO_OPLINE(opline, Z_LVAL_P(jump_zv)) - op_array->opcodes];
- } else {
- b = ssa->cfg.map[ZEND_OFFSET_TO_OPLINE(opline, opline->extended_value) - op_array->opcodes];
- }
- | jmp =>b
- }
- } else {
- zend_ssa_op *ssa_op = &ssa->ops[opline - op_array->opcodes];
- uint32_t op1_info = OP1_INFO();
- zend_jit_addr op1_addr = OP1_ADDR();
- const zend_op *default_opline = ZEND_OFFSET_TO_OPLINE(opline, opline->extended_value);
- const zend_op *target;
- int default_b = next_opline ? -1 : ssa->cfg.map[default_opline - op_array->opcodes];
- int b;
- int32_t exit_point;
- const void *fallback_label = NULL;
- const void *default_label = NULL;
- const void *exit_addr;
- if (next_opline) {
- if (next_opline != opline + 1) {
- exit_point = zend_jit_trace_get_exit_point(opline + 1, 0);
- fallback_label = zend_jit_trace_get_exit_addr(exit_point);
- if (!fallback_label) {
- return 0;
- }
- }
- if (next_opline != default_opline) {
- exit_point = zend_jit_trace_get_exit_point(default_opline, 0);
- default_label = zend_jit_trace_get_exit_addr(exit_point);
- if (!default_label) {
- return 0;
- }
- }
- }
- if (opline->opcode == ZEND_SWITCH_LONG) {
- if (op1_info & MAY_BE_LONG) {
- if (op1_info & MAY_BE_REF) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >1
- | GET_ZVAL_LVAL ZREG_FCARG2, op1_addr
- |.cold_code
- |1:
- | // ZVAL_DEREF(op)
- if (fallback_label) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_REFERENCE, &fallback_label
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_REFERENCE, >3
- }
- | GET_ZVAL_PTR FCARG2a, op1_addr
- if (fallback_label) {
- | IF_NOT_Z_TYPE FCARG2a + offsetof(zend_reference, val), IS_LONG, &fallback_label
- } else {
- | IF_NOT_Z_TYPE FCARG2a + offsetof(zend_reference, val), IS_LONG, >3
- }
- | mov FCARG2a, aword [FCARG2a + offsetof(zend_reference, val.value.lval)]
- | jmp >2
- |.code
- |2:
- } else {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG)) {
- if (fallback_label) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, &fallback_label
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >3
- }
- }
- | GET_ZVAL_LVAL ZREG_FCARG2, op1_addr
- }
- if (HT_IS_PACKED(jumptable)) {
- uint32_t count = jumptable->nNumUsed;
- Bucket *p = jumptable->arData;
- | cmp FCARG2a, jumptable->nNumUsed
- if (default_label) {
- | jae &default_label
- } else if (next_opline) {
- | jae >3
- } else {
- | jae =>default_b
- }
- |.if X64
- if (!IS_32BIT(dasm_end)) {
- | lea r0, aword [>4]
- | jmp aword [r0 + FCARG2a * 8]
- } else {
- | jmp aword [FCARG2a * 8 + >4]
- }
- |.else
- | jmp aword [FCARG2a * 4 + >4]
- |.endif
- |.jmp_table
- |.align aword
- |4:
- if (trace_info) {
- trace_info->jmp_table_size += count;
- }
- p = jumptable->arData;
- do {
- if (Z_TYPE(p->val) == IS_UNDEF) {
- if (default_label) {
- | .aword &default_label
- } else if (next_opline) {
- | .aword >3
- } else {
- | .aword =>default_b
- }
- } else {
- target = ZEND_OFFSET_TO_OPLINE(opline, Z_LVAL(p->val));
- if (!next_opline) {
- b = ssa->cfg.map[target - op_array->opcodes];
- | .aword =>b
- } else if (next_opline == target) {
- | .aword >3
- } else {
- exit_point = zend_jit_trace_get_exit_point(target, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | .aword &exit_addr
- }
- }
- p++;
- count--;
- } while (count);
- |.code
- |3:
- } else {
- | LOAD_ADDR FCARG1a, jumptable
- | EXT_CALL zend_hash_index_find, r0
- if (!zend_jit_hash_jmp(Dst, opline, op_array, ssa, jumptable, default_b, default_label, next_opline, trace_info)) {
- return 0;
- }
- |3:
- }
- }
- } else if (opline->opcode == ZEND_SWITCH_STRING) {
- if (op1_info & MAY_BE_STRING) {
- if (op1_info & MAY_BE_REF) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, >1
- | GET_ZVAL_PTR FCARG2a, op1_addr
- |.cold_code
- |1:
- | // ZVAL_DEREF(op)
- if (fallback_label) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_REFERENCE, &fallback_label
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_REFERENCE, >3
- }
- | GET_ZVAL_PTR FCARG2a, op1_addr
- if (fallback_label) {
- | IF_NOT_Z_TYPE FCARG2a + offsetof(zend_reference, val), IS_STRING, &fallback_label
- } else {
- | IF_NOT_Z_TYPE FCARG2a + offsetof(zend_reference, val), IS_STRING, >3
- }
- | mov FCARG2a, aword [FCARG2a + offsetof(zend_reference, val.value.ptr)]
- | jmp >2
- |.code
- |2:
- } else {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_STRING)) {
- if (fallback_label) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, &fallback_label
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, >3
- }
- }
- | GET_ZVAL_PTR FCARG2a, op1_addr
- }
- | LOAD_ADDR FCARG1a, jumptable
- | EXT_CALL zend_hash_find, r0
- if (!zend_jit_hash_jmp(Dst, opline, op_array, ssa, jumptable, default_b, default_label, next_opline, trace_info)) {
- return 0;
- }
- |3:
- }
- } else if (opline->opcode == ZEND_MATCH) {
- if (op1_info & (MAY_BE_LONG|MAY_BE_STRING)) {
- if (op1_info & MAY_BE_REF) {
- | LOAD_ZVAL_ADDR FCARG2a, op1_addr
- | ZVAL_DEREF FCARG2a, op1_info
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG2, 0);
- }
- | LOAD_ADDR FCARG1a, jumptable
- if (op1_info & MAY_BE_LONG) {
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-MAY_BE_LONG)) {
- if (op1_info & MAY_BE_STRING) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >5
- } else if (op1_info & MAY_BE_UNDEF) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >6
- } else if (default_label) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, &default_label
- } else if (next_opline) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, >3
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_LONG, =>default_b
- }
- }
- | GET_ZVAL_LVAL ZREG_FCARG2, op1_addr
- | EXT_CALL zend_hash_index_find, r0
- if (op1_info & MAY_BE_STRING) {
- | jmp >2
- }
- }
- if (op1_info & MAY_BE_STRING) {
- |5:
- if (op1_info & ((MAY_BE_ANY|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_STRING))) {
- if (op1_info & MAY_BE_UNDEF) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, >6
- } else if (default_label) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, &default_label
- } else if (next_opline) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, >3
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_STRING, =>default_b
- }
- }
- | GET_ZVAL_PTR FCARG2a, op1_addr
- | EXT_CALL zend_hash_find, r0
- }
- |2:
- if (!zend_jit_hash_jmp(Dst, opline, op_array, ssa, jumptable, default_b, default_label, next_opline, trace_info)) {
- return 0;
- }
- }
- if (op1_info & MAY_BE_UNDEF) {
- |6:
- if (op1_info & (MAY_BE_ANY-(MAY_BE_LONG|MAY_BE_STRING))) {
- if (default_label) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, &default_label
- } else if (next_opline) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >3
- } else {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, =>default_b
- }
- }
- | // zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(CV_DEF_OF(EX_VAR_TO_NUM(opline->op1.var))));
- | SET_EX_OPLINE opline, r0
- | mov FCARG1d, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, r0
- if (!zend_jit_check_exception_undef_result(Dst, opline)) {
- return 0;
- }
- }
- if (default_label) {
- | jmp &default_label
- } else if (next_opline) {
- | jmp >3
- } else {
- | jmp =>default_b
- }
- |3:
- } else {
- ZEND_UNREACHABLE();
- }
- }
- return 1;
- }
- static bool zend_jit_verify_return_type(dasm_State **Dst, const zend_op *opline, const zend_op_array *op_array, uint32_t op1_info)
- {
- zend_arg_info *arg_info = &op_array->arg_info[-1];
- ZEND_ASSERT(ZEND_TYPE_IS_SET(arg_info->type));
- zend_jit_addr op1_addr = OP1_ADDR();
- bool needs_slow_check = 1;
- bool slow_check_in_cold = 1;
- uint32_t type_mask = ZEND_TYPE_PURE_MASK(arg_info->type) & MAY_BE_ANY;
- if (type_mask == 0) {
- slow_check_in_cold = 0;
- } else {
- if (((op1_info & MAY_BE_ANY) & type_mask) == 0) {
- slow_check_in_cold = 0;
- } else if (((op1_info & MAY_BE_ANY) | type_mask) == type_mask) {
- needs_slow_check = 0;
- } else if (is_power_of_two(type_mask)) {
- uint32_t type_code = concrete_type(type_mask);
- | IF_NOT_ZVAL_TYPE op1_addr, type_code, >6
- } else {
- | mov edx, 1
- | GET_ZVAL_TYPE cl, op1_addr
- | shl edx, cl
- | test edx, type_mask
- | je >6
- }
- }
- if (needs_slow_check) {
- if (slow_check_in_cold) {
- |.cold_code
- |6:
- }
- | SET_EX_OPLINE opline, r1
- if (op1_info & MAY_BE_UNDEF) {
- | IF_NOT_ZVAL_TYPE op1_addr, IS_UNDEF, >7
- | mov FCARG1a, opline->op1.var
- | EXT_CALL zend_jit_undefined_op_helper, FCARG2a
- | test r0, r0
- | jz ->exception_handler
- | LOAD_ADDR_ZTS FCARG1a, executor_globals, uninitialized_zval
- | jmp >8
- }
- |7:
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- |8:
- | mov FCARG2a, EX->func
- |.if X64
- | LOAD_ADDR CARG3, (ptrdiff_t)arg_info
- | mov r0, EX->run_time_cache
- | lea CARG4, aword [r0+opline->op2.num]
- | EXT_CALL zend_jit_verify_return_slow, r0
- |.else
- | sub r4, 8
- | mov r0, EX->run_time_cache
- | add r0, opline->op2.num
- | push r0
- | push (ptrdiff_t)arg_info
- | EXT_CALL zend_jit_verify_return_slow, r0
- | add r4, 8
- |.endif
- if (!zend_jit_check_exception(Dst)) {
- return 0;
- }
- if (slow_check_in_cold) {
- | jmp >9
- |.code
- }
- }
- |9:
- return 1;
- }
- static int zend_jit_isset_isempty_cv(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- // TODO: support for empty() ???
- ZEND_ASSERT(!(opline->extended_value & ZEND_ISEMPTY));
- if (op1_info & MAY_BE_REF) {
- if (Z_MODE(op1_addr) != IS_MEM_ZVAL || Z_REG(op1_addr) != ZREG_FCARG1 || Z_OFFSET(op1_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, op1_addr
- op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- }
- | ZVAL_DEREF FCARG1a, op1_info
- |1:
- }
- if (!(op1_info & (MAY_BE_UNDEF|MAY_BE_NULL))) {
- if (exit_addr) {
- ZEND_ASSERT(smart_branch_opcode == ZEND_JMPZ);
- } else if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jmp =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jmp =>target_label2
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_TRUE
- }
- } else if (!(op1_info & (MAY_BE_ANY - MAY_BE_NULL))) {
- if (exit_addr) {
- ZEND_ASSERT(smart_branch_opcode == ZEND_JMPNZ);
- } else if (smart_branch_opcode) {
- if (smart_branch_opcode != ZEND_JMPNZ) {
- | jmp =>target_label
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, IS_FALSE
- }
- } else {
- ZEND_ASSERT(Z_MODE(op1_addr) == IS_MEM_ZVAL);
- | cmp byte [Ra(Z_REG(op1_addr))+Z_OFFSET(op1_addr)+offsetof(zval, u1.v.type)], IS_NULL
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPNZ) {
- | jg &exit_addr
- } else {
- | jle &exit_addr
- }
- } else if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jle =>target_label
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- | jg =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jle =>target_label
- | jmp =>target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- | setg al
- | movzx eax, al
- | lea eax, [eax + IS_FALSE]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- }
- return 1;
- }
- static int zend_jit_fe_reset(dasm_State **Dst, const zend_op *opline, uint32_t op1_info)
- {
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- if (opline->op1_type == IS_CONST) {
- zval *zv = RT_CONSTANT(opline, opline->op1);
- | ZVAL_COPY_CONST res_addr, MAY_BE_ANY, MAY_BE_ANY, zv, ZREG_R0
- if (Z_REFCOUNTED_P(zv)) {
- | ADDREF_CONST zv, r0
- }
- } else {
- zend_jit_addr op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op1.var);
- | // ZVAL_COPY(res, value);
- | ZVAL_COPY_VALUE res_addr, -1, op1_addr, op1_info, ZREG_R0, ZREG_FCARG1
- if (opline->op1_type == IS_CV) {
- | TRY_ADDREF op1_info, ah, FCARG1a
- }
- }
- | // Z_FE_POS_P(res) = 0;
- | mov dword [FP + opline->result.var + offsetof(zval, u2.fe_pos)], 0
- return 1;
- }
- static int zend_jit_fe_fetch(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, uint32_t op2_info, unsigned int target_label, zend_uchar exit_opcode, const void *exit_addr)
- {
- zend_jit_addr op1_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op1.var);
- | // array = EX_VAR(opline->op1.var);
- | // fe_ht = Z_ARRVAL_P(array);
- | GET_ZVAL_PTR FCARG1a, op1_addr
- | // pos = Z_FE_POS_P(array);
- | mov eax, dword [FP + opline->op1.var + offsetof(zval, u2.fe_pos)]
- | // p = fe_ht->arData + pos;
- |.if X64
- || ZEND_ASSERT(sizeof(Bucket) == 32);
- | mov FCARG2d, eax
- | shl FCARG2a, 5
- |.else
- | imul FCARG2a, r0, sizeof(Bucket)
- |.endif
- | add FCARG2a, aword [FCARG1a + offsetof(zend_array, arData)]
- |1:
- | // if (UNEXPECTED(pos >= fe_ht->nNumUsed)) {
- | cmp dword [FCARG1a + offsetof(zend_array, nNumUsed)], eax
- | // ZEND_VM_SET_RELATIVE_OPCODE(opline, opline->extended_value);
- | // ZEND_VM_CONTINUE();
- if (exit_addr) {
- if (exit_opcode == ZEND_JMP) {
- | jbe &exit_addr
- } else {
- | jbe >3
- }
- } else {
- | jbe =>target_label
- }
- | // pos++;
- | add eax, 1
- | // value_type = Z_TYPE_INFO_P(value);
- | // if (EXPECTED(value_type != IS_UNDEF)) {
- if (!exit_addr || exit_opcode == ZEND_JMP) {
- | IF_NOT_Z_TYPE FCARG2a, IS_UNDEF, >3
- } else {
- | IF_NOT_Z_TYPE FCARG2a, IS_UNDEF, &exit_addr
- }
- | // p++;
- | add FCARG2a, sizeof(Bucket)
- | jmp <1
- |3:
- if (!exit_addr || exit_opcode == ZEND_JMP) {
- zend_jit_addr val_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG2, 0);
- zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->op2.var);
- uint32_t val_info;
- | // Z_FE_POS_P(array) = pos + 1;
- | mov dword [FP + opline->op1.var + offsetof(zval, u2.fe_pos)], eax
- if (RETURN_VALUE_USED(opline)) {
- zend_jit_addr res_addr = RES_ADDR();
- if ((op1_info & MAY_BE_ARRAY_KEY_LONG)
- && (op1_info & MAY_BE_ARRAY_KEY_STRING)) {
- | // if (!p->key) {
- | cmp aword [FCARG2a + offsetof(Bucket, key)], 0
- | jz >2
- }
- if (op1_info & MAY_BE_ARRAY_KEY_STRING) {
- | // ZVAL_STR_COPY(EX_VAR(opline->result.var), p->key);
- | mov r0, aword [FCARG2a + offsetof(Bucket, key)]
- | SET_ZVAL_PTR res_addr, r0
- | test dword [r0 + offsetof(zend_refcounted, gc.u.type_info)], IS_STR_INTERNED
- | jz >1
- | SET_ZVAL_TYPE_INFO res_addr, IS_STRING
- | jmp >3
- |1:
- | GC_ADDREF r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_STRING_EX
- if (op1_info & MAY_BE_ARRAY_KEY_LONG) {
- | jmp >3
- |2:
- }
- }
- if (op1_info & MAY_BE_ARRAY_KEY_LONG) {
- | // ZVAL_LONG(EX_VAR(opline->result.var), p->h);
- | mov r0, aword [FCARG2a + offsetof(Bucket, h)]
- | SET_ZVAL_LVAL res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_LONG
- }
- |3:
- }
- val_info = ((op1_info & MAY_BE_ARRAY_OF_ANY) >> MAY_BE_ARRAY_SHIFT);
- if (val_info & MAY_BE_ARRAY) {
- val_info |= MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF;
- }
- if (op1_info & MAY_BE_ARRAY_OF_REF) {
- val_info |= MAY_BE_REF | MAY_BE_RC1 | MAY_BE_RCN | MAY_BE_ANY |
- MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF;
- } else if (val_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
- val_info |= MAY_BE_RC1 | MAY_BE_RCN;
- }
- if (opline->op2_type == IS_CV) {
- | // zend_assign_to_variable(variable_ptr, value, IS_CV, EX_USES_STRICT_TYPES());
- if (!zend_jit_assign_to_variable(Dst, opline, var_addr, var_addr, op2_info, -1, IS_CV, val_addr, val_info, 0, 1)) {
- return 0;
- }
- } else {
- | // ZVAL_COPY(res, value);
- | ZVAL_COPY_VALUE var_addr, -1, val_addr, val_info, ZREG_R0, ZREG_FCARG1
- | TRY_ADDREF val_info, ah, FCARG1a
- }
- }
- return 1;
- }
- static int zend_jit_fetch_constant(dasm_State **Dst,
- const zend_op *opline,
- const zend_op_array *op_array,
- zend_ssa *ssa,
- const zend_ssa_op *ssa_op,
- zend_jit_addr res_addr)
- {
- zval *zv = RT_CONSTANT(opline, opline->op2) + 1;
- zend_jit_addr const_addr = ZEND_ADDR_MEM_ZVAL(ZREG_R0, 0);
- uint32_t res_info = RES_INFO();
- | // c = CACHED_PTR(opline->extended_value);
- | mov FCARG1a, EX->run_time_cache
- | mov r0, aword [FCARG1a + opline->extended_value]
- | // if (c != NULL)
- | test r0, r0
- | jz >9
- if (!zend_jit_is_persistent_constant(zv, opline->op1.num)) {
- | // if (!IS_SPECIAL_CACHE_VAL(c))
- | test r0, CACHE_SPECIAL
- | jnz >9
- }
- |8:
- if ((res_info & MAY_BE_GUARD) && JIT_G(current_frame)) {
- zend_jit_trace_stack *stack = JIT_G(current_frame)->stack;
- uint32_t old_info = STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var));
- int32_t exit_point;
- const void *exit_addr = NULL;
- SET_STACK_TYPE(stack, EX_VAR_TO_NUM(opline->result.var), IS_UNKNOWN, 1);
- SET_STACK_REG(stack, EX_VAR_TO_NUM(opline->result.var), ZREG_ZVAL_COPY_GPR0);
- exit_point = zend_jit_trace_get_exit_point(opline+1, 0);
- SET_STACK_INFO(stack, EX_VAR_TO_NUM(opline->result.var), old_info);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- res_info &= ~MAY_BE_GUARD;
- ssa->var_info[ssa_op->result_def].type &= ~MAY_BE_GUARD;
- zend_uchar type = concrete_type(res_info);
- if (type < IS_STRING) {
- | IF_NOT_ZVAL_TYPE const_addr, type, &exit_addr
- } else {
- | GET_ZVAL_TYPE_INFO edx, const_addr
- | IF_NOT_TYPE dl, type, &exit_addr
- }
- | ZVAL_COPY_VALUE_V res_addr, -1, const_addr, res_info, ZREG_R0, ZREG_R1
- if (type < IS_STRING) {
- if (Z_MODE(res_addr) == IS_MEM_ZVAL) {
- | SET_ZVAL_TYPE_INFO res_addr, type
- } else if (!zend_jit_store_var_if_necessary(Dst, opline->result.var, res_addr, res_info)) {
- return 0;
- }
- } else {
- | SET_ZVAL_TYPE_INFO res_addr, edx
- | TRY_ADDREF res_info, dh, r1
- }
- } else {
- | // ZVAL_COPY_OR_DUP(EX_VAR(opline->result.var), &c->value); (no dup)
- | ZVAL_COPY_VALUE res_addr, MAY_BE_ANY, const_addr, MAY_BE_ANY, ZREG_R0, ZREG_R1
- | TRY_ADDREF MAY_BE_ANY, ah, r1
- }
- |.cold_code
- |9:
- | // SAVE_OPLINE();
- | SET_EX_OPLINE opline, r0
- | // zend_quick_get_constant(RT_CONSTANT(opline, opline->op2) + 1, opline->op1.num OPLINE_CC EXECUTE_DATA_CC);
- | LOAD_ADDR FCARG1a, zv
- | mov FCARG2a, opline->op1.num
- | EXT_CALL zend_jit_get_constant, r0
- | // ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTION();
- | test r0, r0
- | jnz <8
- | jmp ->exception_handler
- |.code
- return 1;
- }
- static int zend_jit_in_array(dasm_State **Dst, const zend_op *opline, uint32_t op1_info, zend_jit_addr op1_addr, zend_uchar smart_branch_opcode, uint32_t target_label, uint32_t target_label2, const void *exit_addr)
- {
- HashTable *ht = Z_ARRVAL_P(RT_CONSTANT(opline, opline->op2));
- zend_jit_addr res_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, opline->result.var);
- ZEND_ASSERT(opline->op1_type != IS_VAR && opline->op1_type != IS_TMP_VAR);
- ZEND_ASSERT((op1_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF)) == MAY_BE_STRING);
- | // result = zend_hash_find_ex(ht, Z_STR_P(op1), OP1_TYPE == IS_CONST);
- | LOAD_ADDR FCARG1a, ht
- if (opline->op1_type != IS_CONST) {
- | GET_ZVAL_PTR FCARG2a, op1_addr
- | EXT_CALL zend_hash_find, r0
- } else {
- zend_string *str = Z_STR_P(RT_CONSTANT(opline, opline->op1));
- | LOAD_ADDR FCARG2a, str
- | EXT_CALL zend_hash_find_known_hash, r0
- }
- | test r0, r0
- if (exit_addr) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jz &exit_addr
- } else {
- | jnz &exit_addr
- }
- } else if (smart_branch_opcode) {
- if (smart_branch_opcode == ZEND_JMPZ) {
- | jz =>target_label
- } else if (smart_branch_opcode == ZEND_JMPNZ) {
- | jnz =>target_label
- } else if (smart_branch_opcode == ZEND_JMPZNZ) {
- | jz =>target_label
- | jmp =>target_label2
- } else {
- ZEND_UNREACHABLE();
- }
- } else {
- | setnz al
- | movzx eax, al
- | lea eax, [eax + IS_FALSE]
- | SET_ZVAL_TYPE_INFO res_addr, eax
- }
- return 1;
- }
- static int zend_jit_rope(dasm_State **Dst, const zend_op *opline, uint32_t op2_info)
- {
- uint32_t offset;
- offset = (opline->opcode == ZEND_ROPE_INIT) ?
- opline->result.var :
- opline->op1.var + opline->extended_value * sizeof(zend_string*);
- if (opline->op2_type == IS_CONST) {
- zval *zv = RT_CONSTANT(opline, opline->op2);
- zend_string *str;
- ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING);
- str = Z_STR_P(zv);
- | ADDR_STORE aword [FP + offset], str, r0
- } else {
- zend_jit_addr op2_addr = OP2_ADDR();
- ZEND_ASSERT((op2_info & (MAY_BE_UNDEF|MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_STRING);
- | GET_ZVAL_PTR r1, op2_addr
- | mov aword [FP + offset], r1
- if (opline->op2_type == IS_CV) {
- | GET_ZVAL_TYPE_INFO eax, op2_addr
- | TRY_ADDREF op2_info, ah, r1
- }
- }
- if (opline->opcode == ZEND_ROPE_END) {
- zend_jit_addr res_addr = RES_ADDR();
- | lea FCARG1a, [FP + opline->op1.var]
- | mov FCARG2d, opline->extended_value
- | EXT_CALL zend_jit_rope_end, r0
- | SET_ZVAL_PTR res_addr, r0
- | SET_ZVAL_TYPE_INFO res_addr, IS_STRING_EX
- }
- return 1;
- }
- static bool zend_jit_noref_guard(dasm_State **Dst, const zend_op *opline, zend_jit_addr var_addr)
- {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_ZVAL_TYPE var_addr, IS_REFERENCE, &exit_addr
- return 1;
- }
- static bool zend_jit_fetch_reference(dasm_State **Dst, const zend_op *opline, uint8_t var_type, uint32_t *var_info_ptr, zend_jit_addr *var_addr_ptr, bool add_ref_guard, bool add_type_guard)
- {
- zend_jit_addr var_addr = *var_addr_ptr;
- uint32_t var_info = *var_info_ptr;
- const void *exit_addr = NULL;
- if (add_ref_guard || add_type_guard) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- }
- if (add_ref_guard) {
- | IF_NOT_ZVAL_TYPE var_addr, IS_REFERENCE, &exit_addr
- }
- if (opline->opcode == ZEND_INIT_METHOD_CALL && opline->op1_type == IS_VAR) {
- /* Hack: Convert reference to regular value to simplify JIT code for INIT_METHOD_CALL */
- if (Z_REG(var_addr) != ZREG_FCARG1 || Z_OFFSET(var_addr) != 0) {
- | LOAD_ZVAL_ADDR FCARG1a, var_addr
- }
- | EXT_CALL zend_jit_unref_helper, r0
- } else {
- | GET_ZVAL_PTR FCARG1a, var_addr
- var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, offsetof(zend_reference, val));
- *var_addr_ptr = var_addr;
- }
- if (var_type != IS_UNKNOWN) {
- var_type &= ~(IS_TRACE_REFERENCE|IS_TRACE_INDIRECT|IS_TRACE_PACKED);
- }
- if (add_type_guard
- && var_type != IS_UNKNOWN
- && (var_info & (MAY_BE_ANY|MAY_BE_UNDEF)) != (1 << var_type)) {
- | IF_NOT_ZVAL_TYPE var_addr, var_type, &exit_addr
- ZEND_ASSERT(var_info & (1 << var_type));
- if (var_type < IS_STRING) {
- var_info = (1 << var_type);
- } else if (var_type != IS_ARRAY) {
- var_info = (1 << var_type) | (var_info & (MAY_BE_RC1|MAY_BE_RCN));
- } else {
- var_info = MAY_BE_ARRAY | (var_info & (MAY_BE_ARRAY_OF_ANY|MAY_BE_ARRAY_OF_REF|MAY_BE_ARRAY_KEY_ANY|MAY_BE_RC1|MAY_BE_RCN));
- }
- *var_info_ptr = var_info;
- } else {
- var_info &= ~MAY_BE_REF;
- *var_info_ptr = var_info;
- }
- *var_info_ptr |= MAY_BE_GUARD; /* prevent generation of specialized zval dtor */
- return 1;
- }
- static bool zend_jit_fetch_indirect_var(dasm_State **Dst, const zend_op *opline, uint8_t var_type, uint32_t *var_info_ptr, zend_jit_addr *var_addr_ptr, bool add_indirect_guard)
- {
- zend_jit_addr var_addr = *var_addr_ptr;
- uint32_t var_info = *var_info_ptr;
- int32_t exit_point;
- const void *exit_addr;
- if (add_indirect_guard) {
- int32_t exit_point = zend_jit_trace_get_exit_point(opline, 0);
- const void *exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_ZVAL_TYPE var_addr, IS_INDIRECT, &exit_addr
- | GET_ZVAL_PTR FCARG1a, var_addr
- } else {
- /* May be already loaded into FCARG1a or RAX by previus FETCH_OBJ_W/DIM_W */
- if (opline->op1_type != IS_VAR ||
- (opline-1)->result_type != IS_VAR ||
- (opline-1)->result.var != opline->op1.var ||
- (opline-1)->op2_type == IS_VAR ||
- (opline-1)->op2_type == IS_TMP_VAR) {
- | GET_ZVAL_PTR FCARG1a, var_addr
- } else if ((opline-1)->opcode == ZEND_FETCH_DIM_W || (opline-1)->opcode == ZEND_FETCH_DIM_RW) {
- | mov FCARG1a, r0
- }
- }
- *var_info_ptr &= ~MAY_BE_INDIRECT;
- var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FCARG1, 0);
- *var_addr_ptr = var_addr;
- if (var_type != IS_UNKNOWN) {
- var_type &= ~(IS_TRACE_INDIRECT|IS_TRACE_PACKED);
- }
- if (!(var_type & IS_TRACE_REFERENCE)
- && var_type != IS_UNKNOWN
- && (var_info & (MAY_BE_ANY|MAY_BE_UNDEF)) != (1 << var_type)) {
- exit_point = zend_jit_trace_get_exit_point(opline, 0);
- exit_addr = zend_jit_trace_get_exit_addr(exit_point);
- if (!exit_addr) {
- return 0;
- }
- | IF_NOT_Z_TYPE FCARG1a, var_type, &exit_addr
- //var_info = zend_jit_trace_type_to_info_ex(var_type, var_info);
- ZEND_ASSERT(var_info & (1 << var_type));
- if (var_type < IS_STRING) {
- var_info = (1 << var_type);
- } else if (var_type != IS_ARRAY) {
- var_info = (1 << var_type) | (var_info & (MAY_BE_RC1|MAY_BE_RCN));
- } else {
- var_info = MAY_BE_ARRAY | (var_info & (MAY_BE_ARRAY_OF_ANY|MAY_BE_ARRAY_OF_REF|MAY_BE_ARRAY_KEY_ANY|MAY_BE_RC1|MAY_BE_RCN));
- }
- *var_info_ptr = var_info;
- }
- return 1;
- }
- static bool zend_jit_may_reuse_reg(const zend_op *opline, const zend_ssa_op *ssa_op, zend_ssa *ssa, int def_var, int use_var)
- {
- if ((ssa->var_info[def_var].type & ~MAY_BE_GUARD) != (ssa->var_info[use_var].type & ~MAY_BE_GUARD)) {
- return 0;
- }
- switch (opline->opcode) {
- case ZEND_QM_ASSIGN:
- case ZEND_SEND_VAR:
- case ZEND_ASSIGN:
- case ZEND_PRE_INC:
- case ZEND_PRE_DEC:
- case ZEND_POST_INC:
- case ZEND_POST_DEC:
- return 1;
- case ZEND_ADD:
- case ZEND_SUB:
- case ZEND_MUL:
- case ZEND_BW_OR:
- case ZEND_BW_AND:
- case ZEND_BW_XOR:
- if (def_var == ssa_op->result_def &&
- use_var == ssa_op->op1_use) {
- return 1;
- }
- break;
- default:
- break;
- }
- return 0;
- }
- static bool zend_jit_opline_supports_reg(const zend_op_array *op_array, zend_ssa *ssa, const zend_op *opline, const zend_ssa_op *ssa_op, zend_jit_trace_rec *trace)
- {
- uint32_t op1_info, op2_info;
- switch (opline->opcode) {
- case ZEND_SEND_VAR:
- case ZEND_SEND_VAL:
- case ZEND_SEND_VAL_EX:
- return (opline->op2_type != IS_CONST);
- case ZEND_QM_ASSIGN:
- case ZEND_IS_SMALLER:
- case ZEND_IS_SMALLER_OR_EQUAL:
- case ZEND_IS_EQUAL:
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_IS_NOT_IDENTICAL:
- case ZEND_CASE:
- return 1;
- case ZEND_RETURN:
- return (op_array->type != ZEND_EVAL_CODE && op_array->function_name);
- case ZEND_ASSIGN:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- return
- opline->op1_type == IS_CV &&
- !(op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_RESOURCE|MAY_BE_OBJECT|MAY_BE_REF)) &&
- !(op2_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE)));
- case ZEND_ADD:
- case ZEND_SUB:
- case ZEND_MUL:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- return !((op1_info | op2_info) & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF) - (MAY_BE_LONG|MAY_BE_DOUBLE)));
- case ZEND_BW_OR:
- case ZEND_BW_AND:
- case ZEND_BW_XOR:
- case ZEND_SL:
- case ZEND_SR:
- case ZEND_MOD:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- return !((op1_info | op2_info) & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF) - MAY_BE_LONG));
- case ZEND_PRE_INC:
- case ZEND_PRE_DEC:
- case ZEND_POST_INC:
- case ZEND_POST_DEC:
- op1_info = OP1_INFO();
- op2_info = OP1_DEF_INFO();
- return opline->op1_type == IS_CV
- && !(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF) - MAY_BE_LONG))
- && (op2_info & MAY_BE_LONG);
- case ZEND_STRLEN:
- op1_info = OP1_INFO();
- return (opline->op1_type & (IS_CV|IS_CONST))
- && (op1_info & (MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)) == MAY_BE_STRING;
- case ZEND_COUNT:
- op1_info = OP1_INFO();
- return (opline->op1_type & (IS_CV|IS_CONST))
- && (op1_info & (MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)) == MAY_BE_ARRAY;
- case ZEND_JMPZ:
- case ZEND_JMPNZ:
- if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE) {
- if (!ssa->cfg.map) {
- return 0;
- }
- if (opline > op_array->opcodes + ssa->cfg.blocks[ssa->cfg.map[opline-op_array->opcodes]].start &&
- ((opline-1)->result_type & (IS_SMART_BRANCH_JMPZ|IS_SMART_BRANCH_JMPNZ)) != 0) {
- return 0;
- }
- }
- ZEND_FALLTHROUGH;
- case ZEND_BOOL:
- case ZEND_BOOL_NOT:
- case ZEND_JMPZNZ:
- case ZEND_JMPZ_EX:
- case ZEND_JMPNZ_EX:
- return 1;
- case ZEND_FETCH_CONSTANT:
- return 1;
- case ZEND_FETCH_DIM_R:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (trace
- && trace->op1_type != IS_UNKNOWN
- && (trace->op1_type & ~(IS_TRACE_REFERENCE|IS_TRACE_INDIRECT|IS_TRACE_PACKED)) == IS_ARRAY) {
- op1_info &= ~((MAY_BE_ANY|MAY_BE_UNDEF) - MAY_BE_ARRAY);
- }
- return ((op1_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_ARRAY) &&
- (!(opline->op1_type & (IS_TMP_VAR|IS_VAR)) || !(op1_info & MAY_BE_RC1)) &&
- (((op2_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_LONG) ||
- (((op2_info & (MAY_BE_ANY|MAY_BE_UNDEF)) == MAY_BE_STRING) &&
- (!(opline->op2_type & (IS_TMP_VAR|IS_VAR)) || !(op2_info & MAY_BE_RC1))));
- }
- return 0;
- }
- static bool zend_jit_var_supports_reg(zend_ssa *ssa, int var)
- {
- if (ssa->vars[var].no_val) {
- /* we don't need the value */
- return 0;
- }
- if (!(JIT_G(opt_flags) & ZEND_JIT_REG_ALLOC_GLOBAL)) {
- /* Disable global register allocation,
- * register allocation for SSA variables connected through Phi functions
- */
- if (ssa->vars[var].definition_phi) {
- return 0;
- }
- if (ssa->vars[var].phi_use_chain) {
- zend_ssa_phi *phi = ssa->vars[var].phi_use_chain;
- do {
- if (!ssa->vars[phi->ssa_var].no_val) {
- return 0;
- }
- phi = zend_ssa_next_use_phi(ssa, var, phi);
- } while (phi);
- }
- }
- if (((ssa->var_info[var].type & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF)) != MAY_BE_DOUBLE) &&
- ((ssa->var_info[var].type & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_REF)) != MAY_BE_LONG)) {
- /* bad type */
- return 0;
- }
- return 1;
- }
- static bool zend_jit_may_be_in_reg(const zend_op_array *op_array, zend_ssa *ssa, int var)
- {
- if (!zend_jit_var_supports_reg(ssa, var)) {
- return 0;
- }
- if (ssa->vars[var].definition >= 0) {
- uint32_t def = ssa->vars[var].definition;
- if (!zend_jit_opline_supports_reg(op_array, ssa, op_array->opcodes + def, ssa->ops + def, NULL)) {
- return 0;
- }
- }
- if (ssa->vars[var].use_chain >= 0) {
- int use = ssa->vars[var].use_chain;
- do {
- if (!zend_ssa_is_no_val_use(op_array->opcodes + use, ssa->ops + use, var) &&
- !zend_jit_opline_supports_reg(op_array, ssa, op_array->opcodes + use, ssa->ops + use, NULL)) {
- return 0;
- }
- use = zend_ssa_next_use(ssa->ops, var, use);
- } while (use >= 0);
- }
- return 1;
- }
- static bool zend_needs_extra_reg_for_const(const zend_op *opline, zend_uchar op_type, znode_op op)
- {
- |.if X64
- || if (op_type == IS_CONST) {
- || zval *zv = RT_CONSTANT(opline, op);
- || if (Z_TYPE_P(zv) == IS_DOUBLE && Z_DVAL_P(zv) != 0 && !IS_SIGNED_32BIT(zv)) {
- || return 1;
- || } else if (Z_TYPE_P(zv) == IS_LONG && !IS_SIGNED_32BIT(Z_LVAL_P(zv))) {
- || return 1;
- || }
- || }
- |.endif
- return 0;
- }
- static zend_regset zend_jit_get_def_scratch_regset(const zend_op *opline, const zend_ssa_op *ssa_op, const zend_op_array *op_array, zend_ssa *ssa, int current_var, bool last_use)
- {
- uint32_t op1_info, op2_info;
- switch (opline->opcode) {
- case ZEND_FETCH_DIM_R:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (((opline->op1_type & (IS_TMP_VAR|IS_VAR)) &&
- (op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) ||
- ((opline->op2_type & (IS_TMP_VAR|IS_VAR)) &&
- (op2_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)))) {
- return ZEND_REGSET(ZREG_FCARG1);
- }
- break;
- default:
- break;
- }
- return ZEND_REGSET_EMPTY;
- }
- static zend_regset zend_jit_get_scratch_regset(const zend_op *opline, const zend_ssa_op *ssa_op, const zend_op_array *op_array, zend_ssa *ssa, int current_var, bool last_use)
- {
- uint32_t op1_info, op2_info, res_info;
- zend_regset regset = ZEND_REGSET_SCRATCH;
- switch (opline->opcode) {
- case ZEND_NOP:
- case ZEND_OP_DATA:
- case ZEND_JMP:
- case ZEND_RETURN:
- regset = ZEND_REGSET_EMPTY;
- break;
- case ZEND_QM_ASSIGN:
- if (ssa_op->op1_def == current_var ||
- ssa_op->result_def == current_var) {
- regset = ZEND_REGSET_EMPTY;
- break;
- }
- /* break missing intentionally */
- case ZEND_SEND_VAL:
- case ZEND_SEND_VAL_EX:
- if (opline->op2_type == IS_CONST) {
- break;
- }
- if (ssa_op->op1_use == current_var) {
- regset = ZEND_REGSET(ZREG_R0);
- break;
- }
- op1_info = OP1_INFO();
- if (!(op1_info & MAY_BE_UNDEF)) {
- if ((op1_info & (MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_DOUBLE) {
- regset = ZEND_REGSET(ZREG_XMM0);
- } else if ((op1_info & (MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_LONG) {
- regset = ZEND_REGSET(ZREG_R0);
- } else {
- regset = ZEND_REGSET_UNION(ZEND_REGSET(ZREG_R0), ZEND_REGSET(ZREG_R2));
- }
- }
- break;
- case ZEND_SEND_VAR:
- if (opline->op2_type == IS_CONST) {
- break;
- }
- if (ssa_op->op1_use == current_var ||
- ssa_op->op1_def == current_var) {
- regset = ZEND_REGSET_EMPTY;
- break;
- }
- op1_info = OP1_INFO();
- if (!(op1_info & MAY_BE_UNDEF)) {
- if ((op1_info & (MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_DOUBLE) {
- regset = ZEND_REGSET(ZREG_XMM0);
- } else if ((op1_info & (MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_LONG) {
- } else {
- regset = ZEND_REGSET_UNION(ZEND_REGSET(ZREG_R0), ZEND_REGSET(ZREG_R2));
- if (op1_info & MAY_BE_REF) {
- ZEND_REGSET_INCL(regset, ZREG_R1);
- }
- }
- }
- break;
- case ZEND_ASSIGN:
- if (ssa_op->op2_use == current_var ||
- ssa_op->op2_def == current_var ||
- ssa_op->op1_def == current_var ||
- ssa_op->result_def == current_var) {
- regset = ZEND_REGSET_EMPTY;
- break;
- }
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (opline->op1_type == IS_CV
- && !(op2_info & MAY_BE_UNDEF)
- && !(op1_info & (MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE|MAY_BE_REF))) {
- if ((op2_info & (MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_DOUBLE) {
- regset = ZEND_REGSET(ZREG_XMM0);
- } else if ((op2_info & (MAY_BE_ANY|MAY_BE_REF)) == MAY_BE_LONG) {
- regset = ZEND_REGSET(ZREG_R0);
- } else {
- regset = ZEND_REGSET_UNION(ZEND_REGSET(ZREG_R0), ZEND_REGSET(ZREG_R2));
- }
- }
- break;
- case ZEND_PRE_INC:
- case ZEND_PRE_DEC:
- case ZEND_POST_INC:
- case ZEND_POST_DEC:
- if (ssa_op->op1_use == current_var ||
- ssa_op->op1_def == current_var ||
- ssa_op->result_def == current_var) {
- regset = ZEND_REGSET_EMPTY;
- break;
- }
- op1_info = OP1_INFO();
- if (opline->op1_type == IS_CV
- && (op1_info & MAY_BE_LONG)
- && !(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE)))) {
- regset = ZEND_REGSET_EMPTY;
- if (op1_info & MAY_BE_DOUBLE) {
- regset = ZEND_REGSET(ZREG_XMM0);
- }
- if (opline->result_type != IS_UNUSED && (op1_info & MAY_BE_LONG)) {
- ZEND_REGSET_INCL(regset, ZREG_R1);
- }
- }
- break;
- case ZEND_ADD:
- case ZEND_SUB:
- case ZEND_MUL:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (!(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) &&
- !(op2_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE)))) {
- regset = ZEND_REGSET_EMPTY;
- if ((op1_info & MAY_BE_LONG) && (op2_info & MAY_BE_LONG)) {
- if (ssa_op->result_def != current_var &&
- (ssa_op->op1_use != current_var || !last_use)) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- res_info = RES_INFO();
- if (res_info & MAY_BE_DOUBLE) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- ZEND_REGSET_INCL(regset, ZREG_XMM1);
- } else if (res_info & MAY_BE_GUARD) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- }
- if ((op1_info & MAY_BE_LONG) && (op2_info & MAY_BE_DOUBLE)) {
- if (ssa_op->result_def != current_var) {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- }
- }
- if ((op1_info & MAY_BE_DOUBLE) && (op2_info & MAY_BE_LONG)) {
- if (zend_is_commutative(opline->opcode)) {
- if (ssa_op->result_def != current_var) {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- }
- } else {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- if (ssa_op->result_def != current_var &&
- (ssa_op->op1_use != current_var || !last_use)) {
- ZEND_REGSET_INCL(regset, ZREG_XMM1);
- }
- }
- }
- if ((op1_info & MAY_BE_DOUBLE) && (op2_info & MAY_BE_DOUBLE)) {
- if (ssa_op->result_def != current_var &&
- (ssa_op->op1_use != current_var || !last_use) &&
- (!zend_is_commutative(opline->opcode) || ssa_op->op2_use != current_var || !last_use)) {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- }
- }
- if (zend_needs_extra_reg_for_const(opline, opline->op1_type, opline->op1) ||
- zend_needs_extra_reg_for_const(opline, opline->op2_type, opline->op2)) {
- if (!ZEND_REGSET_IN(regset, ZREG_R0)) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- } else {
- ZEND_REGSET_INCL(regset, ZREG_R1);
- }
- }
- }
- break;
- case ZEND_BW_OR:
- case ZEND_BW_AND:
- case ZEND_BW_XOR:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (!(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-MAY_BE_LONG)) &&
- !(op2_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-MAY_BE_LONG))) {
- regset = ZEND_REGSET_EMPTY;
- if (ssa_op->result_def != current_var &&
- (ssa_op->op1_use != current_var || !last_use)) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- if (zend_needs_extra_reg_for_const(opline, opline->op1_type, opline->op1) ||
- zend_needs_extra_reg_for_const(opline, opline->op2_type, opline->op2)) {
- if (!ZEND_REGSET_IN(regset, ZREG_R0)) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- } else {
- ZEND_REGSET_INCL(regset, ZREG_R1);
- }
- }
- }
- break;
- case ZEND_SL:
- case ZEND_SR:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (!(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-MAY_BE_LONG)) &&
- !(op2_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-MAY_BE_LONG))) {
- bw_op:
- regset = ZEND_REGSET_EMPTY;
- if (ssa_op->result_def != current_var &&
- (ssa_op->op1_use != current_var || !last_use)) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- if (opline->op2_type != IS_CONST && ssa_op->op2_use != current_var) {
- ZEND_REGSET_INCL(regset, ZREG_R1);
- }
- }
- break;
- case ZEND_MOD:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (!(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-MAY_BE_LONG)) &&
- !(op2_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-MAY_BE_LONG))) {
- if (opline->op2_type == IS_CONST &&
- opline->op1_type != IS_CONST &&
- Z_TYPE_P(RT_CONSTANT(opline, opline->op2)) == IS_LONG &&
- zend_long_is_power_of_two(Z_LVAL_P(RT_CONSTANT(opline, opline->op2))) &&
- OP1_HAS_RANGE() &&
- OP1_MIN_RANGE() >= 0) {
- /* MOD is going to be optimized into AND */
- goto bw_op;
- } else {
- regset = ZEND_REGSET_EMPTY;
- ZEND_REGSET_INCL(regset, ZREG_R0);
- ZEND_REGSET_INCL(regset, ZREG_R2);
- if (opline->op2_type == IS_CONST) {
- ZEND_REGSET_INCL(regset, ZREG_R1);
- }
- }
- }
- break;
- case ZEND_IS_SMALLER:
- case ZEND_IS_SMALLER_OR_EQUAL:
- case ZEND_IS_EQUAL:
- case ZEND_IS_NOT_EQUAL:
- case ZEND_IS_IDENTICAL:
- case ZEND_IS_NOT_IDENTICAL:
- case ZEND_CASE:
- op1_info = OP1_INFO();
- op2_info = OP2_INFO();
- if (!(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE))) &&
- !(op2_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-(MAY_BE_LONG|MAY_BE_DOUBLE)))) {
- regset = ZEND_REGSET_EMPTY;
- if (!(opline->result_type & (IS_SMART_BRANCH_JMPZ|IS_SMART_BRANCH_JMPNZ))) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- if ((op1_info & MAY_BE_LONG) && (op2_info & MAY_BE_LONG) &&
- opline->op1_type != IS_CONST && opline->op2_type != IS_CONST) {
- if (ssa_op->op1_use != current_var &&
- ssa_op->op2_use != current_var) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- }
- if ((op1_info & MAY_BE_LONG) && (op2_info & MAY_BE_DOUBLE)) {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- }
- if ((op1_info & MAY_BE_DOUBLE) && (op2_info & MAY_BE_LONG)) {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- }
- if ((op1_info & MAY_BE_DOUBLE) && (op2_info & MAY_BE_DOUBLE)) {
- if (ssa_op->op1_use != current_var &&
- ssa_op->op2_use != current_var) {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- }
- }
- if (zend_needs_extra_reg_for_const(opline, opline->op1_type, opline->op1) ||
- zend_needs_extra_reg_for_const(opline, opline->op2_type, opline->op2)) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- }
- break;
- case ZEND_BOOL:
- case ZEND_BOOL_NOT:
- case ZEND_JMPZ:
- case ZEND_JMPNZ:
- case ZEND_JMPZNZ:
- case ZEND_JMPZ_EX:
- case ZEND_JMPNZ_EX:
- op1_info = OP1_INFO();
- if (!(op1_info & ((MAY_BE_ANY|MAY_BE_REF|MAY_BE_UNDEF)-(MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE)))) {
- regset = ZEND_REGSET_EMPTY;
- if (op1_info & MAY_BE_DOUBLE) {
- ZEND_REGSET_INCL(regset, ZREG_XMM0);
- }
- if (opline->opcode == ZEND_BOOL ||
- opline->opcode == ZEND_BOOL_NOT ||
- opline->opcode == ZEND_JMPZ_EX ||
- opline->opcode == ZEND_JMPNZ_EX) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- }
- break;
- case ZEND_DO_UCALL:
- case ZEND_DO_FCALL:
- case ZEND_DO_FCALL_BY_NAME:
- case ZEND_INCLUDE_OR_EVAL:
- case ZEND_GENERATOR_CREATE:
- case ZEND_YIELD:
- case ZEND_YIELD_FROM:
- regset = ZEND_REGSET_UNION(ZEND_REGSET_GP, ZEND_REGSET_FP);
- break;
- default:
- break;
- }
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- if (ssa_op == ssa->ops
- && JIT_G(current_trace)[ZEND_JIT_TRACE_START_REC_SIZE].op == ZEND_JIT_TRACE_INIT_CALL
- && (JIT_G(current_trace)[ZEND_JIT_TRACE_START_REC_SIZE].info & ZEND_JIT_TRACE_FAKE_INIT_CALL)) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- ZEND_REGSET_INCL(regset, ZREG_R1);
- }
- }
- /* %r0 is used to check EG(vm_interrupt) */
- if (JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE) {
- if (ssa_op == ssa->ops
- && (JIT_G(current_trace)->stop == ZEND_JIT_TRACE_STOP_LOOP ||
- JIT_G(current_trace)->stop == ZEND_JIT_TRACE_STOP_RECURSIVE_CALL)) {
- #if ZTS
- ZEND_REGSET_INCL(regset, ZREG_R0);
- #else
- if ((sizeof(void*) == 8 && !IS_SIGNED_32BIT(&EG(vm_interrupt)))) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- #endif
- }
- } else {
- uint32_t b = ssa->cfg.map[ssa_op - ssa->ops];
- if ((ssa->cfg.blocks[b].flags & ZEND_BB_LOOP_HEADER) != 0
- && ssa->cfg.blocks[b].start == ssa_op - ssa->ops) {
- #if ZTS
- ZEND_REGSET_INCL(regset, ZREG_R0);
- #else
- if ((sizeof(void*) == 8 && !IS_SIGNED_32BIT(&EG(vm_interrupt)))) {
- ZEND_REGSET_INCL(regset, ZREG_R0);
- }
- #endif
- }
- }
- return regset;
- }
- /*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * indent-tabs-mode: t
- * End:
- */
|