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| author | Andreas Jaeger <aj@suse.de> | 2003-05-21 09:25:53 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2003-05-21 09:25:53 +0000 |
| commit | 5018956927ff82b308a8885dcc23dfcddb3ad177 (patch) | |
| tree | ac1c69dbe5bec98193689e64c4ab9a5fb5ccdfea /sysdeps/x86_64 | |
| parent | 479aa8ecb2e64cb2bd70be3c258d42541d916291 (diff) | |
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* sysdeps/generic/sysdep.h (cfi_offset, cfi_startproc,
cfi_endproc, cfi_def_cfa, cfi_def_ccfa_register,
cfi_def_cfa_offset, cfi_adjust_cfa_offset, cfi_offset): Define.
* sysdeps/x86_64/sysdep.h (CALL_MCOUNT): Add cfi directives.
(ENTRY): Likewise.
(END): Likewise.
* configure.in: Test for asm cfi directives.
* config.h.in: Add HAVE_ASM_CFI_DIRECTIVES.
2003-05-21 Andreas Jaeger <aj@suse.de>
* sysdeps/generic/sysdep.h (cfi_offset, cfi_startproc,
cfi_endproc, cfi_def_cfa, cfi_def_ccfa_register,
cfi_def_cfa_offset, cfi_adjust_cfa_offset, cfi_offset): Define.
* sysdeps/x86_64/sysdep.h (CALL_MCOUNT): Add cfi directives.
(ENTRY): Likewise.
(END): Likewise.
* configure.in: Test for asm cfi directives.
* config.h.in: Add HAVE_ASM_CFI_DIRECTIVES.
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/sysdep.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sysdeps/x86_64/sysdep.h b/sysdeps/x86_64/sysdep.h index 99b7e565e9..122270f91b 100644 --- a/sysdeps/x86_64/sysdep.h +++ b/sysdeps/x86_64/sysdep.h @@ -50,18 +50,26 @@ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ .align ALIGNARG(4); \ C_LABEL(name) \ + cfi_startproc; \ CALL_MCOUNT #undef END #define END(name) \ - ASM_SIZE_DIRECTIVE(name) \ + cfi_endproc; \ + ASM_SIZE_DIRECTIVE(name) /* If compiled for profiling, call `mcount' at the start of each function. */ #ifdef PROF /* The mcount code relies on a normal frame pointer being on the stack to locate our caller, so push one just for its benefit. */ -#define CALL_MCOUNT \ - pushq %rbp; movq %rsp, %rbp; call JUMPTARGET(mcount); popq %rbp; +#define CALL_MCOUNT \ + pushq %rbp; \ + cfi_adjust_cfa_offset(8); \ + movq %rsp, %rbp; \ + cfi_def_cfa_register(%rbp); \ + call JUMPTARGET(mcount); \ + popq %rbp; \ + cfi_def_cfa(rsp,8); #else #define CALL_MCOUNT /* Do nothing. */ #endif |