diff options
Diffstat (limited to 'sysdeps/i386/i686/memmove.S')
| -rw-r--r-- | sysdeps/i386/i686/memmove.S | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sysdeps/i386/i686/memmove.S b/sysdeps/i386/i686/memmove.S index 951e139..b93b5c7 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 |