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authorGreg McGary <greg@mcgary.org>2000-06-29 22:55:31 +0000
committerGreg McGary <greg@mcgary.org>2000-06-29 22:55:31 +0000
commite5f88e0ca0d2762ca87263ee01d13e9950de403d (patch)
tree88f266651d99e6be69fd69c46935bfb81bf33676 /sysdeps/i386/bsd-_setjmp.S
parentd3d89ab3a83ad036d7ea4794d044a1e710598fcd (diff)
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* sysdeps/i386/bp-asm.h (PCOFF): New constant.
(POP_ERRNO_LOCATION_RETURN): Fold insns. * sysdeps/i386/bits/setjmp.h (JB_SIZE): New constant. (PUSH_SIGNAL_MASK): New macro. * sysdeps/i386/__longjmp.S (__longjmp): Wrap symbol in BP_SYM (). LEAVE is unnecessary. Check bounds of jmp_buf. * sysdeps/i386/elf/setjmp.S: Call PUSH_SIGNAL_MASK. Wrap symbols in BP_SYM (). Check bounds of jmp_buf. Don't call LEAVE until immediately before tail-call. * sysdeps/i386/setjmp.S: Likewise. * sysdeps/i386/bsd-_setjmp.S: Likewise. * sysdeps/i386/bsd-setjmp.S: Likewise. 2000-06-29 Greg McGary <greg@mcgary.org> * sysdeps/i386/bp-asm.h (PCOFF): New constant. (POP_ERRNO_LOCATION_RETURN): Fold insns. * sysdeps/i386/bits/setjmp.h (JB_SIZE): New constant. (PUSH_SIGNAL_MASK): New macro. * sysdeps/i386/__longjmp.S (__longjmp): Wrap symbol in BP_SYM (). LEAVE is unnecessary. Check bounds of jmp_buf. * sysdeps/i386/elf/setjmp.S: Call PUSH_SIGNAL_MASK. Wrap symbols in BP_SYM (). Check bounds of jmp_buf. Don't call LEAVE until immediately before tail-call. * sysdeps/i386/setjmp.S: Likewise. * sysdeps/i386/bsd-_setjmp.S: Likewise. * sysdeps/i386/bsd-setjmp.S: Likewise.
Diffstat (limited to 'sysdeps/i386/bsd-_setjmp.S')
-rw-r--r--sysdeps/i386/bsd-_setjmp.S21
1 files changed, 11 insertions, 10 deletions
diff --git a/sysdeps/i386/bsd-_setjmp.S b/sysdeps/i386/bsd-_setjmp.S
index 47972b28d1..0983ba8e97 100644
--- a/sysdeps/i386/bsd-_setjmp.S
+++ b/sysdeps/i386/bsd-_setjmp.S
@@ -1,5 +1,5 @@
/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. i386 version.
- Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -22,13 +22,14 @@
in setjmp doesn't clobber the state restored by longjmp. */
#include <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+#include "bp-sym.h"
+#include "bp-asm.h"
-ENTRY (_setjmp)
- popl %eax /* Pop return PC. */
- popl %ecx /* Pop jmp_buf argument. */
- pushl $0 /* Push second argument of zero. */
- pushl %ecx /* Push back first argument. */
- pushl %eax /* Push back return PC. */
+ENTRY (BP_SYM (_setjmp))
+ PUSH_SIGNAL_MASK (0)
#ifdef PIC
/* We cannot use the PLT, because it requires that %ebx be set, but
we can't save and restore our caller's value. Instead, we do an
@@ -37,9 +38,9 @@ ENTRY (_setjmp)
call here
here: popl %ecx
addl $_GLOBAL_OFFSET_TABLE_+[.-here], %ecx
- movl C_SYMBOL_NAME(__sigsetjmp@GOT)(%ecx), %ecx
+ movl C_SYMBOL_NAME (BP_SYM (__sigsetjmp)@GOT)(%ecx), %ecx
jmp *%ecx
#else
- jmp __sigsetjmp
+ jmp BP_SYM (__sigsetjmp)
#endif
-END (_setjmp)
+END (BP_SYM (_setjmp))