freebsd-dev/lib/libc/sparc64/gen/sigsetjmp.S
Jake Burkholder f496405572 Fix a bug where siglongjmp would clobber the argument to return from
sigsetjmp.  It would return the value of the signal flag, instead.

Pointy hat to:	jake
2002-03-05 04:02:04 +00:00

59 lines
2.1 KiB
ArmAsm

/*
* Copyright (c) 1995 Paul Kranenburg
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Paul Kranenburg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#if defined(SYSLIBC_RCS) && !defined(lint)
.text
.asciz "$FreeBSD$"
#endif /* SYSLIBC_RCS and not lint */
#include <machine/asm.h>
#include "assym.s"
ENTRY(sigsetjmp)
PIC_PROLOGUE(%o3, %o2)
SET(CNAME(setjmp), %o2, %o3)
SET(CNAME(_setjmp), %o2, %o4)
movrnz %o1, %o3, %o4
jmp %o4
stx %o1, [%o0 + _JB_SIGFLAG]
END(sigsetjmp)
ENTRY(siglongjmp)
PIC_PROLOGUE(%o3, %o2)
SET(CNAME(longjmp), %o2, %o3)
SET(CNAME(_longjmp), %o2, %o4)
ldx [%o0 + _JB_SIGFLAG], %o2
movrnz %o2, %o3, %o4
jmp %o4
nop
END(siglongjmp)