diff options
Diffstat (limited to 'sysdeps/i386/memchr.S')
| -rw-r--r-- | sysdeps/i386/memchr.S | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/sysdeps/i386/memchr.S b/sysdeps/i386/memchr.S index 3cfb3d6..0898939 100644 --- a/sysdeps/i386/memchr.S +++ b/sysdeps/i386/memchr.S @@ -1,7 +1,6 @@ -/* memchr (str, chr, len) -- Return pointer to first occurrence of CHR in STR less - than LEN. - For Intel 80x86, x>=3. - Copyright (C) 1994-1998, 2000, 2003 Free Software Foundation, Inc. +/* memchr (str, chr, len) -- Return pointer to first occurrence of CHR in STR + less than LEN. For Intel 80x86, x>=3. + Copyright (C) 1994-1998, 2000, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu> Optimised a little by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au> @@ -45,12 +44,16 @@ ENTRY (BP_SYM (__memchr)) /* Save callee-safe registers used in this function. */ pushl %esi + cfi_adjust_cfa_offset (4) pushl %edi + cfi_adjust_cfa_offset (4) + cfi_rel_offset (edi, 0) /* Load parameters into registers. */ movl STR(%esp), %eax /* str: pointer to memory block. */ movl CHR(%esp), %edx /* c: byte we are looking for. */ movl LEN(%esp), %esi /* len: length of memory block. */ + cfi_rel_offset (esi, 4) CHECK_BOUNDS_LOW (%eax, STR(%esp)) /* If my must not test more than three characters test @@ -320,7 +323,11 @@ L(9): RETURN_BOUNDED_POINTER (STR(%esp)) #endif L(pop): popl %edi /* pop saved registers */ + cfi_adjust_cfa_offset (-4) + cfi_restore (edi) popl %esi + cfi_adjust_cfa_offset (-4) + cfi_restore (esi) LEAVE RET_PTR |