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- /*
- +----------------------------------------------------------------------+
- | Zend Engine |
- +----------------------------------------------------------------------+
- | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
- +----------------------------------------------------------------------+
- | This source file is subject to version 2.00 of the Zend license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available through the world-wide-web at the following url: |
- | http://www.zend.com/license/2_00.txt. |
- | If you did not receive a copy of the Zend license and are unable to |
- | obtain it through the world-wide-web, please send a note to |
- | license@zend.com so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Authors: Andi Gutmans <andi@zend.com> |
- | Zeev Suraski <zeev@zend.com> |
- +----------------------------------------------------------------------+
- */
- /* $Id$ */
- #ifndef ZEND_OPERATORS_H
- #define ZEND_OPERATORS_H
- #include <errno.h>
- #include <math.h>
- #include <assert.h>
- #ifdef __GNUC__
- #include <stddef.h>
- #endif
- #ifdef HAVE_IEEEFP_H
- #include <ieeefp.h>
- #endif
- #include "zend_strtod.h"
- #include "zend_multiply.h"
- #if 0&&HAVE_BCMATH
- #include "ext/bcmath/libbcmath/src/bcmath.h"
- #endif
- #define LONG_SIGN_MASK (1L << (8*sizeof(long)-1))
- BEGIN_EXTERN_C()
- ZEND_API int add_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int sub_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int mul_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int pow_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int div_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int boolean_not_function(zval *result, zval *op1 TSRMLS_DC);
- ZEND_API int bitwise_not_function(zval *result, zval *op1 TSRMLS_DC);
- ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int bitwise_and_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int bitwise_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int shift_left_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int shift_right_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int concat_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int is_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int is_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int is_not_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int is_not_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int is_smaller_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int is_smaller_or_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API zend_bool instanceof_function_ex(const zend_class_entry *instance_ce, const zend_class_entry *ce, zend_bool interfaces_only TSRMLS_DC);
- ZEND_API zend_bool instanceof_function(const zend_class_entry *instance_ce, const zend_class_entry *ce TSRMLS_DC);
- END_EXTERN_C()
- #if ZEND_DVAL_TO_LVAL_CAST_OK
- # define zend_dval_to_lval(d) ((long) (d))
- #elif SIZEOF_LONG == 4
- static zend_always_inline long zend_dval_to_lval(double d)
- {
- if (d > LONG_MAX || d < LONG_MIN) {
- double two_pow_32 = pow(2., 32.),
- dmod;
- dmod = fmod(d, two_pow_32);
- if (dmod < 0) {
- /* we're going to make this number positive; call ceil()
- * to simulate rounding towards 0 of the negative number */
- dmod = ceil(dmod) + two_pow_32;
- }
- return (long)(unsigned long)dmod;
- }
- return (long)d;
- }
- #else
- static zend_always_inline long zend_dval_to_lval(double d)
- {
- /* >= as (double)LONG_MAX is outside signed range */
- if (d >= LONG_MAX || d < LONG_MIN) {
- double two_pow_64 = pow(2., 64.),
- dmod;
- dmod = fmod(d, two_pow_64);
- if (dmod < 0) {
- /* no need to call ceil; original double must have had no
- * fractional part, hence dmod does not have one either */
- dmod += two_pow_64;
- }
- return (long)(unsigned long)dmod;
- }
- return (long)d;
- }
- #endif
- /* }}} */
- #define ZEND_IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
- #define ZEND_IS_XDIGIT(c) (((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f'))
- /**
- * Checks whether the string "str" with length "length" is numeric. The value
- * of allow_errors determines whether it's required to be entirely numeric, or
- * just its prefix. Leading whitespace is allowed.
- *
- * The function returns 0 if the string did not contain a valid number; IS_LONG
- * if it contained a number that fits within the range of a long; or IS_DOUBLE
- * if the number was out of long range or contained a decimal point/exponent.
- * The number's value is returned into the respective pointer, *lval or *dval,
- * if that pointer is not NULL.
- *
- * This variant also gives information if a string that represents an integer
- * could not be represented as such due to overflow. It writes 1 to oflow_info
- * if the integer is larger than LONG_MAX and -1 if it's smaller than LONG_MIN.
- */
- static inline zend_uchar is_numeric_string_ex(const char *str, int length, long *lval, double *dval, int allow_errors, int *oflow_info)
- {
- const char *ptr;
- int base = 10, digits = 0, dp_or_e = 0;
- double local_dval = 0.0;
- zend_uchar type;
- if (!length) {
- return 0;
- }
- if (oflow_info != NULL) {
- *oflow_info = 0;
- }
- /* Skip any whitespace
- * This is much faster than the isspace() function */
- while (*str == ' ' || *str == '\t' || *str == '\n' || *str == '\r' || *str == '\v' || *str == '\f') {
- str++;
- length--;
- }
- ptr = str;
- if (*ptr == '-' || *ptr == '+') {
- ptr++;
- }
- if (ZEND_IS_DIGIT(*ptr)) {
- /* Handle hex numbers
- * str is used instead of ptr to disallow signs and keep old behavior */
- if (length > 2 && *str == '0' && (str[1] == 'x' || str[1] == 'X')) {
- base = 16;
- ptr += 2;
- }
- /* Skip any leading 0s */
- while (*ptr == '0') {
- ptr++;
- }
- /* Count the number of digits. If a decimal point/exponent is found,
- * it's a double. Otherwise, if there's a dval or no need to check for
- * a full match, stop when there are too many digits for a long */
- for (type = IS_LONG; !(digits >= MAX_LENGTH_OF_LONG && (dval || allow_errors == 1)); digits++, ptr++) {
- check_digits:
- if (ZEND_IS_DIGIT(*ptr) || (base == 16 && ZEND_IS_XDIGIT(*ptr))) {
- continue;
- } else if (base == 10) {
- if (*ptr == '.' && dp_or_e < 1) {
- goto process_double;
- } else if ((*ptr == 'e' || *ptr == 'E') && dp_or_e < 2) {
- const char *e = ptr + 1;
- if (*e == '-' || *e == '+') {
- ptr = e++;
- }
- if (ZEND_IS_DIGIT(*e)) {
- goto process_double;
- }
- }
- }
- break;
- }
- if (base == 10) {
- if (digits >= MAX_LENGTH_OF_LONG) {
- if (oflow_info != NULL) {
- *oflow_info = *str == '-' ? -1 : 1;
- }
- dp_or_e = -1;
- goto process_double;
- }
- } else if (!(digits < SIZEOF_LONG * 2 || (digits == SIZEOF_LONG * 2 && ptr[-digits] <= '7'))) {
- if (dval) {
- local_dval = zend_hex_strtod(str, &ptr);
- }
- if (oflow_info != NULL) {
- *oflow_info = 1;
- }
- type = IS_DOUBLE;
- }
- } else if (*ptr == '.' && ZEND_IS_DIGIT(ptr[1])) {
- process_double:
- type = IS_DOUBLE;
- /* If there's a dval, do the conversion; else continue checking
- * the digits if we need to check for a full match */
- if (dval) {
- local_dval = zend_strtod(str, &ptr);
- } else if (allow_errors != 1 && dp_or_e != -1) {
- dp_or_e = (*ptr++ == '.') ? 1 : 2;
- goto check_digits;
- }
- } else {
- return 0;
- }
- if (ptr != str + length) {
- if (!allow_errors) {
- return 0;
- }
- if (allow_errors == -1) {
- zend_error(E_NOTICE, "A non well formed numeric value encountered");
- }
- }
- if (type == IS_LONG) {
- if (digits == MAX_LENGTH_OF_LONG - 1) {
- int cmp = strcmp(&ptr[-digits], long_min_digits);
- if (!(cmp < 0 || (cmp == 0 && *str == '-'))) {
- if (dval) {
- *dval = zend_strtod(str, NULL);
- }
- if (oflow_info != NULL) {
- *oflow_info = *str == '-' ? -1 : 1;
- }
- return IS_DOUBLE;
- }
- }
- if (lval) {
- *lval = strtol(str, NULL, base);
- }
- return IS_LONG;
- } else {
- if (dval) {
- *dval = local_dval;
- }
- return IS_DOUBLE;
- }
- }
- static inline zend_uchar is_numeric_string(const char *str, int length, long *lval, double *dval, int allow_errors) {
- return is_numeric_string_ex(str, length, lval, dval, allow_errors, NULL);
- }
- static inline const char *
- zend_memnstr(const char *haystack, const char *needle, int needle_len, char *end)
- {
- const char *p = haystack;
- const char ne = needle[needle_len-1];
- if (needle_len == 1) {
- return (char *)memchr(p, *needle, (end-p));
- }
- if (needle_len > end-haystack) {
- return NULL;
- }
- end -= needle_len;
- while (p <= end) {
- if ((p = (char *)memchr(p, *needle, (end-p+1))) && ne == p[needle_len-1]) {
- if (!memcmp(needle, p, needle_len-1)) {
- return p;
- }
- }
- if (p == NULL) {
- return NULL;
- }
- p++;
- }
- return NULL;
- }
- static inline const void *zend_memrchr(const void *s, int c, size_t n)
- {
- register const unsigned char *e;
- if (n <= 0) {
- return NULL;
- }
- for (e = (const unsigned char *)s + n - 1; e >= (const unsigned char *)s; e--) {
- if (*e == (const unsigned char)c) {
- return (const void *)e;
- }
- }
- return NULL;
- }
- BEGIN_EXTERN_C()
- ZEND_API int increment_function(zval *op1);
- ZEND_API int decrement_function(zval *op2);
- ZEND_API void convert_scalar_to_number(zval *op TSRMLS_DC);
- ZEND_API void _convert_to_cstring(zval *op ZEND_FILE_LINE_DC);
- ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC);
- ZEND_API void convert_to_long(zval *op);
- ZEND_API void convert_to_double(zval *op);
- ZEND_API void convert_to_long_base(zval *op, int base);
- ZEND_API void convert_to_null(zval *op);
- ZEND_API void convert_to_boolean(zval *op);
- ZEND_API void convert_to_array(zval *op);
- ZEND_API void convert_to_object(zval *op);
- ZEND_API void multi_convert_to_long_ex(int argc, ...);
- ZEND_API void multi_convert_to_double_ex(int argc, ...);
- ZEND_API void multi_convert_to_string_ex(int argc, ...);
- ZEND_API int add_char_to_string(zval *result, const zval *op1, const zval *op2);
- ZEND_API int add_string_to_string(zval *result, const zval *op1, const zval *op2);
- #define convert_to_cstring(op) if ((op)->type != IS_STRING) { _convert_to_cstring((op) ZEND_FILE_LINE_CC); }
- #define convert_to_string(op) if ((op)->type != IS_STRING) { _convert_to_string((op) ZEND_FILE_LINE_CC); }
- ZEND_API double zend_string_to_double(const char *number, zend_uint length);
- ZEND_API int zval_is_true(zval *op);
- ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int numeric_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int string_compare_function_ex(zval *result, zval *op1, zval *op2, zend_bool case_insensitive TSRMLS_DC);
- ZEND_API int string_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- ZEND_API int string_case_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- #if HAVE_STRCOLL
- ZEND_API int string_locale_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
- #endif
- ZEND_API void zend_str_tolower(char *str, unsigned int length);
- ZEND_API char *zend_str_tolower_copy(char *dest, const char *source, unsigned int length);
- ZEND_API char *zend_str_tolower_dup(const char *source, unsigned int length);
- ZEND_API int zend_binary_zval_strcmp(zval *s1, zval *s2);
- ZEND_API int zend_binary_zval_strncmp(zval *s1, zval *s2, zval *s3);
- ZEND_API int zend_binary_zval_strcasecmp(zval *s1, zval *s2);
- ZEND_API int zend_binary_zval_strncasecmp(zval *s1, zval *s2, zval *s3);
- ZEND_API int zend_binary_strcmp(const char *s1, uint len1, const char *s2, uint len2);
- ZEND_API int zend_binary_strncmp(const char *s1, uint len1, const char *s2, uint len2, uint length);
- ZEND_API int zend_binary_strcasecmp(const char *s1, uint len1, const char *s2, uint len2);
- ZEND_API int zend_binary_strncasecmp(const char *s1, uint len1, const char *s2, uint len2, uint length);
- ZEND_API int zend_binary_strncasecmp_l(const char *s1, uint len1, const char *s2, uint len2, uint length);
- ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2);
- ZEND_API void zend_compare_symbol_tables(zval *result, HashTable *ht1, HashTable *ht2 TSRMLS_DC);
- ZEND_API void zend_compare_arrays(zval *result, zval *a1, zval *a2 TSRMLS_DC);
- ZEND_API void zend_compare_objects(zval *result, zval *o1, zval *o2 TSRMLS_DC);
- ZEND_API int zend_atoi(const char *str, int str_len);
- ZEND_API long zend_atol(const char *str, int str_len);
- ZEND_API void zend_locale_sprintf_double(zval *op ZEND_FILE_LINE_DC);
- END_EXTERN_C()
- #define convert_to_ex_master(ppzv, lower_type, upper_type) \
- if (Z_TYPE_PP(ppzv)!=IS_##upper_type) { \
- SEPARATE_ZVAL_IF_NOT_REF(ppzv); \
- convert_to_##lower_type(*ppzv); \
- }
- #define convert_to_explicit_type(pzv, type) \
- do { \
- switch (type) { \
- case IS_NULL: \
- convert_to_null(pzv); \
- break; \
- case IS_LONG: \
- convert_to_long(pzv); \
- break; \
- case IS_DOUBLE: \
- convert_to_double(pzv); \
- break; \
- case IS_BOOL: \
- convert_to_boolean(pzv); \
- break; \
- case IS_ARRAY: \
- convert_to_array(pzv); \
- break; \
- case IS_OBJECT: \
- convert_to_object(pzv); \
- break; \
- case IS_STRING: \
- convert_to_string(pzv); \
- break; \
- default: \
- assert(0); \
- break; \
- } \
- } while (0);
- #define convert_to_explicit_type_ex(ppzv, str_type) \
- if (Z_TYPE_PP(ppzv) != str_type) { \
- SEPARATE_ZVAL_IF_NOT_REF(ppzv); \
- convert_to_explicit_type(*ppzv, str_type); \
- }
- #define convert_to_boolean_ex(ppzv) convert_to_ex_master(ppzv, boolean, BOOL)
- #define convert_to_long_ex(ppzv) convert_to_ex_master(ppzv, long, LONG)
- #define convert_to_double_ex(ppzv) convert_to_ex_master(ppzv, double, DOUBLE)
- #define convert_to_string_ex(ppzv) convert_to_ex_master(ppzv, string, STRING)
- #define convert_to_array_ex(ppzv) convert_to_ex_master(ppzv, array, ARRAY)
- #define convert_to_object_ex(ppzv) convert_to_ex_master(ppzv, object, OBJECT)
- #define convert_to_null_ex(ppzv) convert_to_ex_master(ppzv, null, NULL)
- #define convert_scalar_to_number_ex(ppzv) \
- if (Z_TYPE_PP(ppzv)!=IS_LONG && Z_TYPE_PP(ppzv)!=IS_DOUBLE) { \
- if (!Z_ISREF_PP(ppzv)) { \
- SEPARATE_ZVAL(ppzv); \
- } \
- convert_scalar_to_number(*ppzv TSRMLS_CC); \
- }
- #define Z_LVAL(zval) (zval).value.lval
- #define Z_BVAL(zval) ((zend_bool)(zval).value.lval)
- #define Z_DVAL(zval) (zval).value.dval
- #define Z_STRVAL(zval) (zval).value.str.val
- #define Z_STRLEN(zval) (zval).value.str.len
- #define Z_ARRVAL(zval) (zval).value.ht
- #define Z_AST(zval) (zval).value.ast
- #define Z_OBJVAL(zval) (zval).value.obj
- #define Z_OBJ_HANDLE(zval) Z_OBJVAL(zval).handle
- #define Z_OBJ_HT(zval) Z_OBJVAL(zval).handlers
- #define Z_OBJCE(zval) zend_get_class_entry(&(zval) TSRMLS_CC)
- #define Z_OBJPROP(zval) Z_OBJ_HT((zval))->get_properties(&(zval) TSRMLS_CC)
- #define Z_OBJ_HANDLER(zval, hf) Z_OBJ_HT((zval))->hf
- #define Z_RESVAL(zval) (zval).value.lval
- #define Z_OBJDEBUG(zval,is_tmp) (Z_OBJ_HANDLER((zval),get_debug_info)?Z_OBJ_HANDLER((zval),get_debug_info)(&(zval),&is_tmp TSRMLS_CC):(is_tmp=0,Z_OBJ_HANDLER((zval),get_properties)?Z_OBJPROP(zval):NULL))
- #define Z_LVAL_P(zval_p) Z_LVAL(*zval_p)
- #define Z_BVAL_P(zval_p) Z_BVAL(*zval_p)
- #define Z_DVAL_P(zval_p) Z_DVAL(*zval_p)
- #define Z_STRVAL_P(zval_p) Z_STRVAL(*zval_p)
- #define Z_STRLEN_P(zval_p) Z_STRLEN(*zval_p)
- #define Z_ARRVAL_P(zval_p) Z_ARRVAL(*zval_p)
- #define Z_AST_P(zval_p) Z_AST(*zval_p)
- #define Z_OBJPROP_P(zval_p) Z_OBJPROP(*zval_p)
- #define Z_OBJCE_P(zval_p) Z_OBJCE(*zval_p)
- #define Z_RESVAL_P(zval_p) Z_RESVAL(*zval_p)
- #define Z_OBJVAL_P(zval_p) Z_OBJVAL(*zval_p)
- #define Z_OBJ_HANDLE_P(zval_p) Z_OBJ_HANDLE(*zval_p)
- #define Z_OBJ_HT_P(zval_p) Z_OBJ_HT(*zval_p)
- #define Z_OBJ_HANDLER_P(zval_p, h) Z_OBJ_HANDLER(*zval_p, h)
- #define Z_OBJDEBUG_P(zval_p,is_tmp) Z_OBJDEBUG(*zval_p,is_tmp)
- #define Z_LVAL_PP(zval_pp) Z_LVAL(**zval_pp)
- #define Z_BVAL_PP(zval_pp) Z_BVAL(**zval_pp)
- #define Z_DVAL_PP(zval_pp) Z_DVAL(**zval_pp)
- #define Z_STRVAL_PP(zval_pp) Z_STRVAL(**zval_pp)
- #define Z_STRLEN_PP(zval_pp) Z_STRLEN(**zval_pp)
- #define Z_ARRVAL_PP(zval_pp) Z_ARRVAL(**zval_pp)
- #define Z_AST_PP(zval_p) Z_AST(**zval_p)
- #define Z_OBJPROP_PP(zval_pp) Z_OBJPROP(**zval_pp)
- #define Z_OBJCE_PP(zval_pp) Z_OBJCE(**zval_pp)
- #define Z_RESVAL_PP(zval_pp) Z_RESVAL(**zval_pp)
- #define Z_OBJVAL_PP(zval_pp) Z_OBJVAL(**zval_pp)
- #define Z_OBJ_HANDLE_PP(zval_p) Z_OBJ_HANDLE(**zval_p)
- #define Z_OBJ_HT_PP(zval_p) Z_OBJ_HT(**zval_p)
- #define Z_OBJ_HANDLER_PP(zval_p, h) Z_OBJ_HANDLER(**zval_p, h)
- #define Z_OBJDEBUG_PP(zval_pp,is_tmp) Z_OBJDEBUG(**zval_pp,is_tmp)
- #define Z_TYPE(zval) (zval).type
- #define Z_TYPE_P(zval_p) Z_TYPE(*zval_p)
- #define Z_TYPE_PP(zval_pp) Z_TYPE(**zval_pp)
- #if HAVE_SETLOCALE && defined(ZEND_WIN32) && !defined(ZTS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
- /* This is performance improvement of tolower() on Windows and VC2005
- * Gives 10-18% on bench.php
- */
- #define ZEND_USE_TOLOWER_L 1
- #endif
- #ifdef ZEND_USE_TOLOWER_L
- ZEND_API void zend_update_current_locale(void);
- #else
- #define zend_update_current_locale()
- #endif
- /* The offset in bytes between the value and type fields of a zval */
- #define ZVAL_OFFSETOF_TYPE \
- (offsetof(zval,type) - offsetof(zval,value))
- static zend_always_inline int fast_increment_function(zval *op1)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- #if defined(__GNUC__) && defined(__i386__)
- __asm__(
- "incl (%0)\n\t"
- "jno 0f\n\t"
- "movl $0x0, (%0)\n\t"
- "movl $0x41e00000, 0x4(%0)\n\t"
- "movb %1, %c2(%0)\n"
- "0:"
- :
- : "r"(&op1->value),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "cc");
- #elif defined(__GNUC__) && defined(__x86_64__)
- __asm__(
- "incq (%0)\n\t"
- "jno 0f\n\t"
- "movl $0x0, (%0)\n\t"
- "movl $0x43e00000, 0x4(%0)\n\t"
- "movb %1, %c2(%0)\n"
- "0:"
- :
- : "r"(&op1->value),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "cc");
- #else
- if (UNEXPECTED(Z_LVAL_P(op1) == LONG_MAX)) {
- /* switch to double */
- Z_DVAL_P(op1) = (double)LONG_MAX + 1.0;
- Z_TYPE_P(op1) = IS_DOUBLE;
- } else {
- Z_LVAL_P(op1)++;
- }
- #endif
- return SUCCESS;
- }
- return increment_function(op1);
- }
- static zend_always_inline int fast_decrement_function(zval *op1)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- #if defined(__GNUC__) && defined(__i386__)
- __asm__(
- "decl (%0)\n\t"
- "jno 0f\n\t"
- "movl $0x00200000, (%0)\n\t"
- "movl $0xc1e00000, 0x4(%0)\n\t"
- "movb %1,%c2(%0)\n"
- "0:"
- :
- : "r"(&op1->value),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "cc");
- #elif defined(__GNUC__) && defined(__x86_64__)
- __asm__(
- "decq (%0)\n\t"
- "jno 0f\n\t"
- "movl $0x00000000, (%0)\n\t"
- "movl $0xc3e00000, 0x4(%0)\n\t"
- "movb %1,%c2(%0)\n"
- "0:"
- :
- : "r"(&op1->value),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "cc");
- #else
- if (UNEXPECTED(Z_LVAL_P(op1) == LONG_MIN)) {
- /* switch to double */
- Z_DVAL_P(op1) = (double)LONG_MIN - 1.0;
- Z_TYPE_P(op1) = IS_DOUBLE;
- } else {
- Z_LVAL_P(op1)--;
- }
- #endif
- return SUCCESS;
- }
- return decrement_function(op1);
- }
- static zend_always_inline int fast_add_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- #if defined(__GNUC__) && defined(__i386__)
- __asm__(
- "movl (%1), %%eax\n\t"
- "addl (%2), %%eax\n\t"
- "jo 0f\n\t"
- "movl %%eax, (%0)\n\t"
- "movb %3, %c5(%0)\n\t"
- "jmp 1f\n"
- "0:\n\t"
- "fildl (%1)\n\t"
- "fildl (%2)\n\t"
- "faddp %%st, %%st(1)\n\t"
- "movb %4, %c5(%0)\n\t"
- "fstpl (%0)\n"
- "1:"
- :
- : "r"(&result->value),
- "r"(&op1->value),
- "r"(&op2->value),
- "n"(IS_LONG),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "eax","cc");
- #elif defined(__GNUC__) && defined(__x86_64__)
- __asm__(
- "movq (%1), %%rax\n\t"
- "addq (%2), %%rax\n\t"
- "jo 0f\n\t"
- "movq %%rax, (%0)\n\t"
- "movb %3, %c5(%0)\n\t"
- "jmp 1f\n"
- "0:\n\t"
- "fildq (%1)\n\t"
- "fildq (%2)\n\t"
- "faddp %%st, %%st(1)\n\t"
- "movb %4, %c5(%0)\n\t"
- "fstpl (%0)\n"
- "1:"
- :
- : "r"(&result->value),
- "r"(&op1->value),
- "r"(&op2->value),
- "n"(IS_LONG),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "rax","cc");
- #else
- /*
- * 'result' may alias with op1 or op2, so we need to
- * ensure that 'result' is not updated until after we
- * have read the values of op1 and op2.
- */
- if (UNEXPECTED((Z_LVAL_P(op1) & LONG_SIGN_MASK) == (Z_LVAL_P(op2) & LONG_SIGN_MASK)
- && (Z_LVAL_P(op1) & LONG_SIGN_MASK) != ((Z_LVAL_P(op1) + Z_LVAL_P(op2)) & LONG_SIGN_MASK))) {
- Z_DVAL_P(result) = (double) Z_LVAL_P(op1) + (double) Z_LVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- } else {
- Z_LVAL_P(result) = Z_LVAL_P(op1) + Z_LVAL_P(op2);
- Z_TYPE_P(result) = IS_LONG;
- }
- #endif
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) + Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- Z_DVAL_P(result) = Z_DVAL_P(op1) + Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- Z_DVAL_P(result) = Z_DVAL_P(op1) + ((double)Z_LVAL_P(op2));
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- }
- return add_function(result, op1, op2 TSRMLS_CC);
- }
- static zend_always_inline int fast_sub_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- #if defined(__GNUC__) && defined(__i386__)
- __asm__(
- "movl (%1), %%eax\n\t"
- "subl (%2), %%eax\n\t"
- "jo 0f\n\t"
- "movl %%eax, (%0)\n\t"
- "movb %3, %c5(%0)\n\t"
- "jmp 1f\n"
- "0:\n\t"
- "fildl (%2)\n\t"
- "fildl (%1)\n\t"
- #if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
- "fsubp %%st(1), %%st\n\t" /* LLVM bug #9164 */
- #else
- "fsubp %%st, %%st(1)\n\t"
- #endif
- "movb %4, %c5(%0)\n\t"
- "fstpl (%0)\n"
- "1:"
- :
- : "r"(&result->value),
- "r"(&op1->value),
- "r"(&op2->value),
- "n"(IS_LONG),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "eax","cc");
- #elif defined(__GNUC__) && defined(__x86_64__)
- __asm__(
- "movq (%1), %%rax\n\t"
- "subq (%2), %%rax\n\t"
- "jo 0f\n\t"
- "movq %%rax, (%0)\n\t"
- "movb %3, %c5(%0)\n\t"
- "jmp 1f\n"
- "0:\n\t"
- "fildq (%2)\n\t"
- "fildq (%1)\n\t"
- #if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
- "fsubp %%st(1), %%st\n\t" /* LLVM bug #9164 */
- #else
- "fsubp %%st, %%st(1)\n\t"
- #endif
- "movb %4, %c5(%0)\n\t"
- "fstpl (%0)\n"
- "1:"
- :
- : "r"(&result->value),
- "r"(&op1->value),
- "r"(&op2->value),
- "n"(IS_LONG),
- "n"(IS_DOUBLE),
- "n"(ZVAL_OFFSETOF_TYPE)
- : "rax","cc");
- #else
- Z_LVAL_P(result) = Z_LVAL_P(op1) - Z_LVAL_P(op2);
- if (UNEXPECTED((Z_LVAL_P(op1) & LONG_SIGN_MASK) != (Z_LVAL_P(op2) & LONG_SIGN_MASK)
- && (Z_LVAL_P(op1) & LONG_SIGN_MASK) != (Z_LVAL_P(result) & LONG_SIGN_MASK))) {
- Z_DVAL_P(result) = (double) Z_LVAL_P(op1) - (double) Z_LVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- } else {
- Z_TYPE_P(result) = IS_LONG;
- }
- #endif
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) - Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- Z_DVAL_P(result) = Z_DVAL_P(op1) - Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- Z_DVAL_P(result) = Z_DVAL_P(op1) - ((double)Z_LVAL_P(op2));
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- }
- return sub_function(result, op1, op2 TSRMLS_CC);
- }
- static zend_always_inline int fast_mul_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- long overflow;
- ZEND_SIGNED_MULTIPLY_LONG(Z_LVAL_P(op1), Z_LVAL_P(op2), Z_LVAL_P(result), Z_DVAL_P(result), overflow);
- Z_TYPE_P(result) = overflow ? IS_DOUBLE : IS_LONG;
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) * Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- Z_DVAL_P(result) = Z_DVAL_P(op1) * Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- Z_DVAL_P(result) = Z_DVAL_P(op1) * ((double)Z_LVAL_P(op2));
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- }
- return mul_function(result, op1, op2 TSRMLS_CC);
- }
- static zend_always_inline int fast_div_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- #if 0
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG) && 0) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
- zend_error(E_WARNING, "Division by zero");
- Z_LVAL_P(result) = 0;
- Z_TYPE_P(result) = IS_BOOL;
- return FAILURE;
- } else if (UNEXPECTED(Z_LVAL_P(op2) == -1 && Z_LVAL_P(op1) == LONG_MIN)) {
- /* Prevent overflow error/crash */
- Z_DVAL_P(result) = (double) LONG_MIN / -1;
- Z_TYPE_P(result) = IS_DOUBLE;
- } else if (EXPECTED(Z_LVAL_P(op1) % Z_LVAL_P(op2) == 0)) {
- /* integer */
- Z_LVAL_P(result) = Z_LVAL_P(op1) / Z_LVAL_P(op2);
- Z_TYPE_P(result) = IS_LONG;
- } else {
- Z_DVAL_P(result) = ((double) Z_LVAL_P(op1)) / ((double)Z_LVAL_P(op2));
- Z_TYPE_P(result) = IS_DOUBLE;
- }
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- if (UNEXPECTED(Z_DVAL_P(op2) == 0)) {
- zend_error(E_WARNING, "Division by zero");
- Z_LVAL_P(result) = 0;
- Z_TYPE_P(result) = IS_BOOL;
- return FAILURE;
- }
- Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) / Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE) && 0) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- if (UNEXPECTED(Z_DVAL_P(op2) == 0)) {
- zend_error(E_WARNING, "Division by zero");
- Z_LVAL_P(result) = 0;
- Z_TYPE_P(result) = IS_BOOL;
- return FAILURE;
- }
- Z_DVAL_P(result) = Z_DVAL_P(op1) / Z_DVAL_P(op2);
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
- zend_error(E_WARNING, "Division by zero");
- Z_LVAL_P(result) = 0;
- Z_TYPE_P(result) = IS_BOOL;
- return FAILURE;
- }
- Z_DVAL_P(result) = Z_DVAL_P(op1) / ((double)Z_LVAL_P(op2));
- Z_TYPE_P(result) = IS_DOUBLE;
- return SUCCESS;
- }
- }
- #endif
- return div_function(result, op1, op2 TSRMLS_CC);
- }
- static zend_always_inline int fast_mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
- zend_error(E_WARNING, "Division by zero");
- Z_LVAL_P(result) = 0;
- Z_TYPE_P(result) = IS_BOOL;
- return FAILURE;
- } else if (UNEXPECTED(Z_LVAL_P(op2) == -1)) {
- /* Prevent overflow error/crash if op1==LONG_MIN */
- Z_LVAL_P(result) = 0;
- Z_TYPE_P(result) = IS_LONG;
- return SUCCESS;
- }
- Z_LVAL_P(result) = Z_LVAL_P(op1) % Z_LVAL_P(op2);
- Z_TYPE_P(result) = IS_LONG;
- return SUCCESS;
- }
- }
- return mod_function(result, op1, op2 TSRMLS_CC);
- }
- static zend_always_inline int fast_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_LVAL_P(op1) == Z_LVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return ((double)Z_LVAL_P(op1)) == Z_DVAL_P(op2);
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return Z_DVAL_P(op1) == Z_DVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_DVAL_P(op1) == ((double)Z_LVAL_P(op2));
- }
- }
- compare_function(result, op1, op2 TSRMLS_CC);
- return Z_LVAL_P(result) == 0;
- }
- static zend_always_inline int fast_not_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_LVAL_P(op1) != Z_LVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return ((double)Z_LVAL_P(op1)) != Z_DVAL_P(op2);
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return Z_DVAL_P(op1) != Z_DVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_DVAL_P(op1) != ((double)Z_LVAL_P(op2));
- }
- }
- compare_function(result, op1, op2 TSRMLS_CC);
- return Z_LVAL_P(result) != 0;
- }
- static zend_always_inline int fast_is_smaller_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_LVAL_P(op1) < Z_LVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return ((double)Z_LVAL_P(op1)) < Z_DVAL_P(op2);
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return Z_DVAL_P(op1) < Z_DVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_DVAL_P(op1) < ((double)Z_LVAL_P(op2));
- }
- }
- compare_function(result, op1, op2 TSRMLS_CC);
- return Z_LVAL_P(result) < 0;
- }
- static zend_always_inline int fast_is_smaller_or_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
- {
- if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_LVAL_P(op1) <= Z_LVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return ((double)Z_LVAL_P(op1)) <= Z_DVAL_P(op2);
- }
- } else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
- if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
- return Z_DVAL_P(op1) <= Z_DVAL_P(op2);
- } else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
- return Z_DVAL_P(op1) <= ((double)Z_LVAL_P(op2));
- }
- }
- compare_function(result, op1, op2 TSRMLS_CC);
- return Z_LVAL_P(result) <= 0;
- }
- #define ZEND_TRY_BINARY_OBJECT_OPERATION(opcode) \
- if (Z_TYPE_P(op1) == IS_OBJECT && Z_OBJ_HANDLER_P(op1, do_operation)) { \
- if (SUCCESS == Z_OBJ_HANDLER_P(op1, do_operation)(opcode, result, op1, op2 TSRMLS_CC)) { \
- return SUCCESS; \
- } \
- } else if (Z_TYPE_P(op2) == IS_OBJECT && Z_OBJ_HANDLER_P(op2, do_operation)) { \
- if (SUCCESS == Z_OBJ_HANDLER_P(op2, do_operation)(opcode, result, op1, op2 TSRMLS_CC)) { \
- return SUCCESS; \
- } \
- }
- #define ZEND_TRY_UNARY_OBJECT_OPERATION(opcode) \
- if (Z_TYPE_P(op1) == IS_OBJECT && Z_OBJ_HANDLER_P(op1, do_operation) \
- && SUCCESS == Z_OBJ_HANDLER_P(op1, do_operation)(opcode, result, op1, NULL TSRMLS_CC) \
- ) { \
- return SUCCESS; \
- }
- #endif
- /*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * indent-tabs-mode: t
- * End:
- */
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