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authorUlrich Drepper <drepper@redhat.com>2005-04-28 21:11:47 +0000
committerUlrich Drepper <drepper@redhat.com>2005-04-28 21:11:47 +0000
commit62d01985e9bd245ec382d2bfbe340ae7067b6be3 (patch)
tree87799661e9069fc68879da807be88dd50479f300 /sysdeps/i386/sysdep.h
parentb1ecbed20b3cf932d6df4de492508deeff2adc0c (diff)
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* sysdeps/i386/sysdep.h: Add cfi instrumentation to asm fragments.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/i386/socket.S: Remove now duplicate cfi_startproc and cfi_endproc.
Diffstat (limited to 'sysdeps/i386/sysdep.h')
-rw-r--r--sysdeps/i386/sysdep.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/sysdeps/i386/sysdep.h b/sysdeps/i386/sysdep.h
index e955b43..6c1df24 100644
--- a/sysdeps/i386/sysdep.h
+++ b/sysdeps/i386/sysdep.h
@@ -1,5 +1,5 @@
/* Assembler macros for i386.
- Copyright (C) 1991,92,93,95,96,98,2002,2003 Free Software Foundation, Inc.
+ Copyright (C) 1991-93,95,96,98,2002,2003,2005 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
@@ -57,10 +57,12 @@
.align ALIGNARG(4); \
STABS_FUN(name) \
C_LABEL(name) \
+ cfi_startproc; \
CALL_MCOUNT
#undef END
#define END(name) \
+ cfi_endproc; \
ASM_SIZE_DIRECTIVE(name) \
STABS_FUN_END(name)
@@ -92,7 +94,9 @@
/* 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 \
- pushl %ebp; movl %esp, %ebp; call JUMPTARGET(mcount); popl %ebp;
+ pushl %ebp; cfi_adjust_cfa_offset (4); \ movl %esp, %ebp; \
+ cfi_def_cfa_register (ebp); call JUMPTARGET(mcount); \
+ popl %ebp; cfi_def_cfa (esp, 4);
#else
#define CALL_MCOUNT /* Do nothing. */
#endif
@@ -122,8 +126,10 @@ lose: SYSCALL_PIC_SETUP \
#define JUMPTARGET(name) name##@PLT
#define SYSCALL_PIC_SETUP \
pushl %ebx; \
+ cfi_adjust_cfa_offset (4); \
call 0f; \
0: popl %ebx; \
+ cfi_adjust_cfa_offset (-4); \
addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
#else
#define JUMPTARGET(name) name