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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/i386/i686/memmove.S
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/i386/i686/memmove.S')
-rw-r--r--sysdeps/i386/i686/memmove.S15
1 files changed, 14 insertions, 1 deletions
diff --git a/sysdeps/i386/i686/memmove.S b/sysdeps/i386/i686/memmove.S
index 951e139ad4..b93b5c729f 100644
--- a/sysdeps/i386/i686/memmove.S
+++ b/sysdeps/i386/i686/memmove.S
@@ -1,7 +1,7 @@
 /* Copy memory block and return pointer to beginning of destination block
    For Intel 80x86, x>=6.
    This file is part of the GNU C Library.
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -42,11 +42,14 @@ ENTRY (BP_SYM (memmove))
 	ENTER
 
 	pushl	%edi
+	cfi_adjust_cfa_offset (4)
 
 	movl	LEN(%esp), %ecx
 	movl	DEST(%esp), %edi
+	cfi_rel_offset (edi, 0)
 	movl	%esi, %edx
 	movl	SRC(%esp), %esi
+	cfi_register (esi, edx)
 	CHECK_BOUNDS_BOTH_WIDE (%edi, DEST(%esp), %ecx)
 	CHECK_BOUNDS_BOTH_WIDE (%esi, SRC(%esp), %ecx)
 
@@ -65,14 +68,21 @@ ENTRY (BP_SYM (memmove))
 2:	rep
 	movsl
 	movl	%edx, %esi
+	cfi_restore (esi)
 	movl	DEST(%esp), %eax
 	RETURN_BOUNDED_POINTER (DEST(%esp))
 
 	popl	%edi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (edi)
 
 	LEAVE
 	RET_PTR
 
+	cfi_adjust_cfa_offset (4)
+	cfi_rel_offset (edi, 0)
+	cfi_register (esi, edx)
+
 	/* Backward copying.  */
 3:	std
 	leal	-1(%edi, %ecx), %edi
@@ -90,11 +100,14 @@ ENTRY (BP_SYM (memmove))
 	rep
 	movsl
 	movl	%edx, %esi
+	cfi_restore (esi)
 	movl	DEST(%esp), %eax
 	RETURN_BOUNDED_POINTER (DEST(%esp))
 
 	cld
 	popl	%edi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (edi)
 
 	LEAVE
 	RET_PTR