From 5018956927ff82b308a8885dcc23dfcddb3ad177 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Wed, 21 May 2003 09:25:53 +0000 Subject: * 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 * 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. --- sysdeps/x86_64/sysdep.h | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'sysdeps/x86_64/sysdep.h') 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 -- cgit v1.2.3