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authorAndreas Jaeger <aj@suse.de>2003-05-21 09:25:53 +0000
committerAndreas Jaeger <aj@suse.de>2003-05-21 09:25:53 +0000
commit5018956927ff82b308a8885dcc23dfcddb3ad177 (patch)
treeac1c69dbe5bec98193689e64c4ab9a5fb5ccdfea /sysdeps/x86_64
parent479aa8ecb2e64cb2bd70be3c258d42541d916291 (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.h14
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