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- /* Assembler macros for SH.
- Copyright (C) 1999-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <sysdeps/generic/sysdep.h>
- #ifdef __ASSEMBLER__
- /* Syntactic details of assembler. */
- #define ALIGNARG(log2) log2
- #define ASM_SIZE_DIRECTIVE(name) .size name,.-name
- #ifdef SHARED
- #define PLTJMP(_x) _x##@PLT
- #else
- #define PLTJMP(_x) _x
- #endif
- /* Define an entry point visible from C. */
- #define ENTRY(name) \
- .globl C_SYMBOL_NAME(name); \
- .type C_SYMBOL_NAME(name),@function; \
- .align ALIGNARG(5); \
- C_LABEL(name) \
- cfi_startproc; \
- CALL_MCOUNT
- #undef END
- #define END(name) \
- cfi_endproc; \
- ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(name))
- /* If compiled for profiling, call `mcount' at the start of each function. */
- #ifdef PROF
- #define CALL_MCOUNT \
- mov.l 1f,r1; \
- sts.l pr,@-r15; \
- cfi_adjust_cfa_offset (4); \
- cfi_rel_offset (pr, 0); \
- mova 2f,r0; \
- jmp @r1; \
- lds r0,pr; \
- .align 2; \
- 1: .long mcount; \
- 2: lds.l @r15+,pr; \
- cfi_adjust_cfa_offset (-4); \
- cfi_restore (pr)
- #else
- #define CALL_MCOUNT /* Do nothing. */
- #endif
- /* Since C identifiers are not normally prefixed with an underscore
- on this system, the asm identifier `syscall_error' intrudes on the
- C name space. Make sure we use an innocuous name. */
- #define syscall_error __syscall_error
- #define mcount _mcount
- #endif /* __ASSEMBLER__ */
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