aboutsummaryrefslogtreecommitdiff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/i386/sysdep.h10
-rw-r--r--sysdeps/unix/sysv/linux/i386/socket.S4
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h30
3 files changed, 31 insertions, 13 deletions
diff --git a/sysdeps/i386/sysdep.h b/sysdeps/i386/sysdep.h
index e955b43f95..6c1df24b44 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
diff --git a/sysdeps/unix/sysv/linux/i386/socket.S b/sysdeps/unix/sysv/linux/i386/socket.S
index e403899cc6..7c8ac29b86 100644
--- a/sysdeps/unix/sysv/linux/i386/socket.S
+++ b/sysdeps/unix/sysv/linux/i386/socket.S
@@ -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
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 6bea9d2044..d64d0a3a5c 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -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__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 00:08:01 +0000