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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 411eaf1eb2..b26b0e1186 100644
--- a/sysdeps/i386/bsd-setjmp.S
+++ b/sysdeps/i386/bsd-setjmp.S
@@ -1,5 +1,5 @@
 /* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  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 $1		/* Push second argument of one.  */
-	pushl %ecx		/* Push back first argument.  */
-	pushl %eax		/* Push back return PC.  */
+ENTRY (BP_SYM (setjmp))
+	PUSH_SIGNAL_MASK (1)
 #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))