diff options
Diffstat (limited to 'sysdeps/i386/strtok.S')
| -rw-r--r-- | sysdeps/i386/strtok.S | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/sysdeps/i386/strtok.S b/sysdeps/i386/strtok.S index d2786e2ca4..c5f40a83b1 100644 --- a/sysdeps/i386/strtok.S +++ b/sysdeps/i386/strtok.S @@ -1,6 +1,6 @@ /* strtok (str, delim) -- Return next DELIM separated token from STR. For Intel 80x86, x>=3. - Copyright (C) 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1996-1998,2000,2001,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -78,9 +78,13 @@ ENTRY (BP_SYM (FUNCTION)) #if !defined USE_AS_STRTOK_R && defined PIC pushl %ebx /* Save PIC register. */ + cfi_adjust_cfa_offset (4) call L(here) + cfi_adjust_cfa_offset (4) + cfi_rel_offset (ebx, 0) L(here): popl %ebx + cfi_adjust_cfa_offset (-4) addl $_GLOBAL_OFFSET_TABLE_+[.-L(here)], %ebx #endif @@ -125,69 +129,133 @@ L(1): xorl %ecx, %ecx /* %ecx = 0 !!! */ pushl %ecx /* make a 256 bytes long block filled with 0 */ + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl %ecx + cfi_adjust_cfa_offset (4) pushl $0 /* These immediate values make the label 2 */ + cfi_adjust_cfa_offset (4) pushl $0 /* to be aligned on a 16 byte boundary to */ + cfi_adjust_cfa_offset (4) pushl $0 /* get a better performance of the loop. */ + cfi_adjust_cfa_offset (4) pushl $0 + cfi_adjust_cfa_offset (4) pushl $0 + cfi_adjust_cfa_offset (4) pushl $0 + cfi_adjust_cfa_offset (4) /* For understanding the following code remember that %ecx == 0 now. Although all the following instruction only modify %cl we always @@ -284,6 +352,7 @@ L(9): incl %edx L(8): /* Remove the stopset table. */ addl $256, %esp + cfi_adjust_cfa_offset (-256) cmpl %eax, %edx je L(returnNULL) /* There was no token anymore. */ @@ -308,12 +377,18 @@ L(11): L(epilogue): #if !defined USE_AS_STRTOK_R && defined PIC popl %ebx + cfi_adjust_cfa_offset (-4) + cfi_restore (ebx) #endif LEAVE RET_PTR L(returnNULL): xorl %eax, %eax +#ifdef USE_AS_STRTOK_R + movl SAVE(%esp), %ecx +#endif + movl %edx, SAVE_PTR RETURN_NULL_BOUNDED_POINTER jmp L(epilogue) |