diff options
Diffstat (limited to 'sysdeps/i386/strchr.S')
| -rw-r--r-- | sysdeps/i386/strchr.S | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sysdeps/i386/strchr.S b/sysdeps/i386/strchr.S index f5cee2f..93b4cce 100644 --- a/sysdeps/i386/strchr.S +++ b/sysdeps/i386/strchr.S @@ -1,6 +1,7 @@ /* strchr (str, ch) -- Return pointer to first occurrence of CH in STR. For Intel 80x86, x>=3. - Copyright (C) 1994-1997,1999,2000,2002,2003 Free Software Foundation, Inc. + Copyright (C) 1994-1997,1999,2000,2002,2003,2005 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu> Some optimisations by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au> @@ -35,6 +36,8 @@ ENTRY (BP_SYM (strchr)) ENTER pushl %edi /* Save callee-safe registers used here. */ + cfi_adjust_cfa_offset (4) + cfi_rel_offset (edi, 0) movl STR(%esp), %eax movl CHR(%esp), %edx CHECK_BOUNDS_LOW (%eax, STR(%esp)) @@ -244,10 +247,14 @@ L(2): /* Return NULL. */ xorl %eax, %eax RETURN_NULL_BOUNDED_POINTER popl %edi /* restore saved register content */ + cfi_adjust_cfa_offset (-4) + cfi_restore (edi) LEAVE RET_PTR + cfi_adjust_cfa_offset (4) + cfi_rel_offset (edi, 0) L(73): addl $4, %eax /* adjust pointer */ L(72): addl $4, %eax L(71): addl $4, %eax @@ -283,6 +290,8 @@ L(6): CHECK_BOUNDS_HIGH (%eax, STR(%esp), jb) RETURN_BOUNDED_POINTER (STR(%esp)) popl %edi /* restore saved register content */ + cfi_adjust_cfa_offset (-4) + cfi_restore (edi) LEAVE RET_PTR |