diff options
Diffstat (limited to 'sysdeps/i386/i686')
| -rw-r--r-- | sysdeps/i386/i686/add_n.S | 9 | ||||
| -rw-r--r-- | sysdeps/i386/i686/memcmp.S | 4 | ||||
| -rw-r--r-- | sysdeps/i386/i686/memcpy.S | 3 | ||||
| -rw-r--r-- | sysdeps/i386/i686/memmove.S | 7 | ||||
| -rw-r--r-- | sysdeps/i386/i686/mempcpy.S | 5 | ||||
| -rw-r--r-- | sysdeps/i386/i686/memset.S | 4 | ||||
| -rw-r--r-- | sysdeps/i386/i686/strcmp.S | 17 | ||||
| -rw-r--r-- | sysdeps/i386/i686/strtok.S | 42 |
8 files changed, 6 insertions, 85 deletions
diff --git a/sysdeps/i386/i686/add_n.S b/sysdeps/i386/i686/add_n.S index 5e91aad741..bc7646d935 100644 --- a/sysdeps/i386/i686/add_n.S +++ b/sysdeps/i386/i686/add_n.S @@ -34,7 +34,6 @@ L(1): addl (%esp), %eax ret #endif ENTRY (BP_SYM (__mpn_add_n)) - ENTER pushl %edi cfi_adjust_cfa_offset (4) @@ -47,13 +46,6 @@ ENTRY (BP_SYM (__mpn_add_n)) cfi_rel_offset (esi, 0) movl S2(%esp),%edx movl SIZE(%esp),%ecx -#if __BOUNDED_POINTERS__ - shll $2, %ecx /* convert limbs to bytes */ - CHECK_BOUNDS_BOTH_WIDE (%edi, RES(%esp), %ecx) - CHECK_BOUNDS_BOTH_WIDE (%esi, S1(%esp), %ecx) - CHECK_BOUNDS_BOTH_WIDE (%edx, S2(%esp), %ecx) - shrl $2, %ecx -#endif movl %ecx,%eax shrl $3,%ecx /* compute count for unrolled loop */ negl %eax @@ -116,6 +108,5 @@ L(oop): movl (%esi),%eax cfi_adjust_cfa_offset (-4) cfi_restore (edi) - LEAVE ret END (BP_SYM (__mpn_add_n)) diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S index eacac8ee18..8215acecd3 100644 --- a/sysdeps/i386/i686/memcmp.S +++ b/sysdeps/i386/i686/memcmp.S @@ -26,9 +26,9 @@ #define BLK2 BLK1+PTR_SIZE #define LEN BLK2+PTR_SIZE #define ENTRANCE pushl %ebx; cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (ebx, 0); ENTER + cfi_rel_offset (ebx, 0) #define RETURN popl %ebx; cfi_adjust_cfa_offset (-4); \ - cfi_restore (ebx); LEAVE; ret + cfi_restore (ebx); ret /* Load an entry in a jump table into EBX. TABLE is a jump table with relative offsets. INDEX is a register contains the index diff --git a/sysdeps/i386/i686/memcpy.S b/sysdeps/i386/i686/memcpy.S index e6dc87d77d..78d60e56b4 100644 --- a/sysdeps/i386/i686/memcpy.S +++ b/sysdeps/i386/i686/memcpy.S @@ -38,7 +38,6 @@ ENTRY_CHK (__memcpy_chk) END_CHK (__memcpy_chk) #endif ENTRY (BP_SYM (memcpy)) - ENTER movl %edi, %eax movl DEST(%esp), %edi @@ -81,9 +80,7 @@ ENTRY (BP_SYM (memcpy)) .Lend: movl %eax, %edi movl %edx, %esi movl DEST(%esp), %eax - RETURN_BOUNDED_POINTER (DEST(%esp)) - LEAVE RET_PTR /* When we come here the pointers do not have the same diff --git a/sysdeps/i386/i686/memmove.S b/sysdeps/i386/i686/memmove.S index 6079851477..a99edf4d1f 100644 --- a/sysdeps/i386/i686/memmove.S +++ b/sysdeps/i386/i686/memmove.S @@ -47,7 +47,6 @@ END_CHK (__memmove_chk) #endif ENTRY (BP_SYM (memmove)) - ENTER pushl %edi cfi_adjust_cfa_offset (4) @@ -58,8 +57,6 @@ ENTRY (BP_SYM (memmove)) 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) movl %edi, %eax subl %esi, %eax @@ -79,14 +76,12 @@ ENTRY (BP_SYM (memmove)) cfi_restore (esi) #ifndef USE_AS_BCOPY movl DEST(%esp), %eax - RETURN_BOUNDED_POINTER (DEST(%esp)) #endif popl %edi cfi_adjust_cfa_offset (-4) cfi_restore (edi) - LEAVE RET_PTR cfi_adjust_cfa_offset (4) @@ -113,7 +108,6 @@ ENTRY (BP_SYM (memmove)) cfi_restore (esi) #ifndef USE_AS_BCOPY movl DEST(%esp), %eax - RETURN_BOUNDED_POINTER (DEST(%esp)) #endif cld @@ -121,7 +115,6 @@ ENTRY (BP_SYM (memmove)) cfi_adjust_cfa_offset (-4) cfi_restore (edi) - LEAVE RET_PTR END (BP_SYM (memmove)) #ifndef USE_AS_BCOPY diff --git a/sysdeps/i386/i686/mempcpy.S b/sysdeps/i386/i686/mempcpy.S index 8022b7b959..fe72287a29 100644 --- a/sysdeps/i386/i686/mempcpy.S +++ b/sysdeps/i386/i686/mempcpy.S @@ -38,17 +38,14 @@ ENTRY_CHK (__mempcpy_chk) END_CHK (__mempcpy_chk) #endif ENTRY (BP_SYM (__mempcpy)) - ENTER movl LEN(%esp), %ecx movl %edi, %eax cfi_register (edi, eax) movl DEST(%esp), %edi - CHECK_BOUNDS_BOTH_WIDE (%edi, DEST(%esp), %ecx) movl %esi, %edx cfi_register (esi, edx) movl SRC(%esp), %esi - CHECK_BOUNDS_BOTH_WIDE (%esi, SRC(%esp), %ecx) cld shrl $1, %ecx jnc 1f @@ -62,9 +59,7 @@ ENTRY (BP_SYM (__mempcpy)) cfi_restore (edi) movl %edx, %esi cfi_restore (esi) - RETURN_BOUNDED_POINTER (DEST(%esp)) - LEAVE RET_PTR END (BP_SYM (__mempcpy)) libc_hidden_def (BP_SYM (__mempcpy)) diff --git a/sysdeps/i386/i686/memset.S b/sysdeps/i386/i686/memset.S index ad0c9677fe..9033652511 100644 --- a/sysdeps/i386/i686/memset.S +++ b/sysdeps/i386/i686/memset.S @@ -46,14 +46,12 @@ ENTRY_CHK (__memset_chk) END_CHK (__memset_chk) #endif ENTRY (BP_SYM (memset)) - ENTER cld pushl %edi cfi_adjust_cfa_offset (4) movl DEST(%esp), %edx movl LEN(%esp), %ecx - CHECK_BOUNDS_BOTH_WIDE (%edx, DEST(%esp), %ecx) #if BZERO_P xorl %eax, %eax /* fill with 0 */ #else @@ -90,13 +88,11 @@ ENTRY (BP_SYM (memset)) 1: #if !BZERO_P movl DEST(%esp), %eax /* start address of destination is result */ - RETURN_BOUNDED_POINTER (DEST(%esp)) #endif popl %edi cfi_adjust_cfa_offset (-4) cfi_restore (edi) - LEAVE #if BZERO_P ret #else diff --git a/sysdeps/i386/i686/strcmp.S b/sysdeps/i386/i686/strcmp.S index b53260ffd6..9f42977297 100644 --- a/sysdeps/i386/i686/strcmp.S +++ b/sysdeps/i386/i686/strcmp.S @@ -28,12 +28,9 @@ .text ENTRY (BP_SYM (strcmp)) - ENTER movl STR1(%esp), %ecx movl STR2(%esp), %edx - CHECK_BOUNDS_LOW (%ecx, STR1(%esp)) - CHECK_BOUNDS_LOW (%edx, STR2(%esp)) L(oop): movb (%ecx), %al cmpb (%edx), %al @@ -46,26 +43,12 @@ L(oop): movb (%ecx), %al xorl %eax, %eax /* when strings are equal, pointers rest one beyond the end of the NUL terminators. */ - CHECK_BOUNDS_HIGH (%ecx, STR1(%esp), jbe) - CHECK_BOUNDS_HIGH (%edx, STR2(%esp), jbe) - LEAVE ret -#ifndef __BOUNDED_POINTERS__ L(neq): movl $1, %eax movl $-1, %ecx cmovbl %ecx, %eax -#else -L(neq): movl $1, %eax - ja L(chk) - negl %eax - /* When strings differ, pointers rest on - the unequal characters. */ -L(chk): CHECK_BOUNDS_HIGH (%ecx, STR1(%esp), jb) - CHECK_BOUNDS_HIGH (%edx, STR2(%esp), jb) -#endif - LEAVE ret END (BP_SYM (strcmp)) libc_hidden_builtin_def (strcmp) diff --git a/sysdeps/i386/i686/strtok.S b/sysdeps/i386/i686/strtok.S index 794efbaed0..281f6635e1 100644 --- a/sysdeps/i386/i686/strtok.S +++ b/sysdeps/i386/i686/strtok.S @@ -46,11 +46,7 @@ .type save_ptr, @object .size save_ptr, 4 save_ptr: -# if __BOUNDED_POINTERS__ - .space 12 -# else .space 4 -# endif # ifdef PIC # define SAVE_PTR save_ptr@GOTOFF(%ebx) @@ -81,7 +77,6 @@ save_ptr: #endif ENTRY (BP_SYM (FUNCTION)) - ENTER #if !defined USE_AS_STRTOK_R && defined PIC pushl %ebx /* Save PIC register. */ @@ -127,23 +122,7 @@ ENTRY (BP_SYM (FUNCTION)) cmove %eax, %edx testl %edx, %edx jz L(returnNULL) -#if __BOUNDED_POINTERS__ -# ifdef USE_AS_STRTOK_R - movl SAVE(%esp), %ecx /* borrow %ecx for a moment */ -# endif - je L(0) - /* Save bounds of incoming non-NULL STR into save area. */ - movl 4+STR(%esp), %eax - movl %eax, 4+SAVE_PTR - movl 8+STR(%esp), %eax - movl %eax, 8+SAVE_PTR -L(0): CHECK_BOUNDS_LOW (%edx, SAVE_PTR) -# ifdef USE_AS_STRTOK_R - xorl %ecx, %ecx /* restore %ecx to zero */ -# endif -#endif movl DELIM(%esp), %eax /* Get start of delimiter set. */ - CHECK_BOUNDS_LOW (%eax, DELIM(%esp)) /* For understanding the following code remember that %ecx == 0 now. Although all the following instruction only modify %cl we always @@ -151,17 +130,17 @@ L(0): CHECK_BOUNDS_LOW (%edx, SAVE_PTR) L(2): movb (%eax), %cl /* get byte from stopset */ testb %cl, %cl /* is NUL char? */ - jz L(1_1) /* yes => start compare loop */ + jz L(1) /* yes => start compare loop */ movb %cl, (%esp,%ecx) /* set corresponding byte in stopset table */ movb 1(%eax), %cl /* get byte from stopset */ testb $0xff, %cl /* is NUL char? */ - jz L(1_2) /* yes => start compare loop */ + jz L(1) /* yes => start compare loop */ movb %cl, (%esp,%ecx) /* set corresponding byte in stopset table */ movb 2(%eax), %cl /* get byte from stopset */ testb $0xff, %cl /* is NUL char? */ - jz L(1_3) /* yes => start compare loop */ + jz L(1) /* yes => start compare loop */ movb %cl, (%esp,%ecx) /* set corresponding byte in stopset table */ movb 3(%eax), %cl /* get byte from stopset */ @@ -170,16 +149,7 @@ L(2): movb (%eax), %cl /* get byte from stopset */ testb $0xff, %cl /* is NUL char? */ jnz L(2) /* no => process next dword from stopset */ -#if __BOUNDED_POINTERS__ - jmp L(1_0) /* pointer is correct for bounds check */ -L(1_3): incl %eax /* adjust pointer for bounds check */ -L(1_2): incl %eax /* ditto */ -L(1_1): incl %eax /* ditto */ -L(1_0): CHECK_BOUNDS_HIGH (%eax, DELIM(%esp), jbe) -#else -L(1_3):; L(1_2):; L(1_1): /* fall through */ -#endif - leal -4(%edx), %eax /* prepare loop */ +L(1): leal -4(%edx), %eax /* prepare loop */ /* We use a neat trick for the following loop. Normally we would have to test for two termination conditions @@ -253,8 +223,6 @@ L(8): cmpl %eax, %edx movl SAVE(%esp), %ecx #endif movl %edx, SAVE_PTR - CHECK_BOUNDS_HIGH (%edx, SAVE_PTR, jb) - RETURN_BOUNDED_POINTER (SAVE_PTR) L(epilogue): /* Remove the stopset table. */ @@ -265,7 +233,6 @@ L(epilogue): cfi_adjust_cfa_offset (-4) cfi_restore (ebx) #endif - LEAVE RET_PTR L(returnNULL): @@ -274,7 +241,6 @@ L(returnNULL): movl SAVE(%esp), %ecx #endif movl %edx, SAVE_PTR - RETURN_NULL_BOUNDED_POINTER jmp L(epilogue) END (BP_SYM (FUNCTION)) |