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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/unix/sysv/linux/i386/mmap64.S
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/mmap64.S')
-rw-r--r--sysdeps/unix/sysv/linux/i386/mmap64.S38
1 files changed, 2 insertions, 36 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/mmap64.S b/sysdeps/unix/sysv/linux/i386/mmap64.S
index f53e6e8c68..3a03335814 100644
--- a/sysdeps/unix/sysv/linux/i386/mmap64.S
+++ b/sysdeps/unix/sysv/linux/i386/mmap64.S
@@ -1,5 +1,4 @@
-/* Copyright (C) 1995,96,97,98,99,2000,2002,2005,2006
-	Free Software Foundation, Inc.
+/* Copyright (C) 1995,96,97,98,99,2000,2002 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
@@ -21,7 +20,7 @@
 #include <bp-sym.h>
 #include <bp-asm.h>
 
-#include <kernel-features.h>
+#include "kernel-features.h"
 
 #define EINVAL	22
 #define ENOSYS	38
@@ -43,13 +42,9 @@ ENTRY (BP_SYM (__mmap64))
 
 	/* Save registers.  */
 	pushl %ebp
-	cfi_adjust_cfa_offset (4)
 	pushl %ebx
-	cfi_adjust_cfa_offset (4)
 	pushl %esi
-	cfi_adjust_cfa_offset (4)
 	pushl %edi
-	cfi_adjust_cfa_offset (4)
 
 	movl OFFLO(%esp), %edx
 	movl OFFHI(%esp), %ecx
@@ -59,16 +54,12 @@ ENTRY (BP_SYM (__mmap64))
 	shrl $12, %ecx
 	jne L(einval)
 	movl %edx, %ebp
-	cfi_rel_offset (ebp, 12)
 
 	movl ADDR(%esp), %ebx
-	cfi_rel_offset (ebx, 8)
 	movl LEN(%esp), %ecx
 	movl PROT(%esp), %edx
 	movl FLAGS(%esp), %esi
-	cfi_rel_offset (esi, 4)
 	movl FD(%esp), %edi
-	cfi_rel_offset (edi, 0)
 
 	movl $SYS_ify(mmap2), %eax	/* System call number in %eax.  */
 
@@ -78,17 +69,9 @@ L(do_syscall):
 
 	/* Restore registers.  */
 	popl %edi
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (edi)
 	popl %esi
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (esi)
 	popl %ebx
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (ebx)
 	popl %ebp
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (ebp)
 
 #ifndef __ASSUME_MMAP2_SYSCALL
 2:
@@ -104,25 +87,12 @@ L(do_syscall):
 L(pseudo_end):
 	ret
 
-	cfi_adjust_cfa_offset (16)
-	cfi_rel_offset (ebp, 12)
-	cfi_rel_offset (ebx, 8)
-	cfi_rel_offset (esi, 4)
-	cfi_rel_offset (edi, 0)
 	/* This means the offset value is too large.  */
 L(einval):
 	popl %edi
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (edi)
 	popl %esi
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (esi)
 	popl %ebx
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (ebx)
 	popl %ebp
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (ebp)
 	movl $-EINVAL, %eax
 	jmp SYSCALL_ERROR_LABEL
 #endif
@@ -131,7 +101,6 @@ L(einval):
 3:
 	/* Save registers.  */
 	movl %ebx, %edx
-	cfi_register (ebx, edx)
 
 	cmpl $0, OFFHI-SVRSP(%esp)
 	jne L(einval2)
@@ -145,7 +114,6 @@ L(einval):
 
 	/* Restore registers.  */
 	movl %edx, %ebx
-	cfi_restore (ebx)
 
 	/* If 0 > %eax > -4096 there was an error.  */
 	cmpl $-4096, %eax
@@ -157,10 +125,8 @@ L(pseudo_end):
 #endif
 	ret
 
-	cfi_register (ebx, edx)
 L(einval2):
 	movl %edx, %ebx
-	cfi_restore (ebx)
 	movl $-EINVAL, %eax
 	jmp SYSCALL_ERROR_LABEL
 #endif