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* sysdeps/i386/sysdep.h: Add cfi instrumentation to asm fragments.

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* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/socket.S: Remove now duplicate
	cfi_startproc and cfi_endproc.
This commit is contained in:
Ulrich Drepper
2005-04-28 21:11:47 +00:00
parent b1ecbed20b
commit 62d01985e9
5 changed files with 38 additions and 15 deletions
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4
sysdeps/unix/sysv/linux/i386/socket.S
View File

@@ -1,4 +1,4 @@
/* Copyright (C) 1995,1996,1997,1998,2002,2003 Free Software Foundation, Inc.
/* Copyright (C) 1995-1998,2002,2003,2005 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
@@ -41,7 +41,6 @@
#endif
.globl __socket
cfi_startproc
ENTRY (__socket)
#if defined NEED_CANCELLATION && defined CENABLE
SINGLE_THREAD_P
@@ -118,7 +117,6 @@ L(pseudo_end):
/* Successful; return the syscall's value. */
ret
#endif
cfi_endproc
PSEUDO_END (__socket)
#ifndef NO_WEAK_ALIAS

30
sysdeps/unix/sysv/linux/i386/sysdep.h
View File

@@ -168,16 +168,22 @@ __i686.get_pc_thunk.reg: \
# else
# define SYSCALL_ERROR_HANDLER \
0:pushl %ebx; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (ebx, 0); \
SETUP_PIC_REG (bx); \
addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
xorl %edx, %edx; \
subl %eax, %edx; \
pushl %edx; \
cfi_adjust_cfa_offset (4); \
PUSH_ERRNO_LOCATION_RETURN; \
call BP_SYM (__errno_location)@PLT; \
POP_ERRNO_LOCATION_RETURN; \
popl %ecx; \
cfi_adjust_cfa_offset (-4); \
popl %ebx; \
cfi_adjust_cfa_offset (-4); \
cfi_restore (ebx); \
movl %ecx, (%eax); \
orl $-1, %eax; \
jmp L(pseudo_end);
@@ -273,9 +279,11 @@ __i686.get_pc_thunk.reg: \
#define PUSHARGS_1 movl %ebx, %edx; L(SAVEBX1): PUSHARGS_0
#define DOARGS_1 _DOARGS_1 (4)
#define POPARGS_1 POPARGS_0; movl %edx, %ebx; L(RESTBX1):
#define _PUSHARGS_1 pushl %ebx; L(PUSHBX1): _PUSHARGS_0
#define _PUSHARGS_1 pushl %ebx; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (ebx, 0); L(PUSHBX1): _PUSHARGS_0
#define _DOARGS_1(n) movl n(%esp), %ebx; _DOARGS_0(n-4)
#define _POPARGS_1 _POPARGS_0; popl %ebx; L(POPBX1):
#define _POPARGS_1 _POPARGS_0; popl %ebx; cfi_adjust_cfa_offset (-4); \
cfi_restore (ebx); L(POPBX1):
#define PUSHARGS_2 PUSHARGS_1
#define DOARGS_2 _DOARGS_2 (8)
@@ -294,23 +302,29 @@ __i686.get_pc_thunk.reg: \
#define PUSHARGS_4 _PUSHARGS_4
#define DOARGS_4 _DOARGS_4 (24)
#define POPARGS_4 _POPARGS_4
#define _PUSHARGS_4 pushl %esi; L(PUSHSI1): _PUSHARGS_3
#define _PUSHARGS_4 pushl %esi; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (esi, 0); L(PUSHSI1): _PUSHARGS_3
#define _DOARGS_4(n) movl n(%esp), %esi; _DOARGS_3 (n-4)
#define _POPARGS_4 _POPARGS_3; popl %esi; L(POPSI1):
#define _POPARGS_4 _POPARGS_3; popl %esi; cfi_adjust_cfa_offset (-4); \
cfi_restore (esi); L(POPSI1):
#define PUSHARGS_5 _PUSHARGS_5
#define DOARGS_5 _DOARGS_5 (32)
#define POPARGS_5 _POPARGS_5
#define _PUSHARGS_5 pushl %edi; L(PUSHDI1): _PUSHARGS_4
#define _PUSHARGS_5 pushl %edi; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (edi, 0); L(PUSHDI1): _PUSHARGS_4
#define _DOARGS_5(n) movl n(%esp), %edi; _DOARGS_4 (n-4)
#define _POPARGS_5 _POPARGS_4; popl %edi; L(POPDI1):
#define _POPARGS_5 _POPARGS_4; popl %edi; cfi_adjust_cfa_offset (-4); \
cfi_restore (edi); L(POPDI1):
#define PUSHARGS_6 _PUSHARGS_6
#define DOARGS_6 _DOARGS_6 (36)
#define POPARGS_6 _POPARGS_6
#define _PUSHARGS_6 pushl %ebp; L(PUSHBP1): _PUSHARGS_5
#define _PUSHARGS_6 pushl %ebp; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (ebp, 0); L(PUSHBP1): _PUSHARGS_5
#define _DOARGS_6(n) movl n(%esp), %ebp; _DOARGS_5 (n-4)
#define _POPARGS_6 _POPARGS_5; popl %ebp; L(POPBP1):
#define _POPARGS_6 _POPARGS_5; popl %ebp; cfi_adjust_cfa_offset (-4); \
cfi_restore (ebp); L(POPBP1):
#else /* !__ASSEMBLER__ */