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/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* 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.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: Header: _setjmp.s,v 1.1 91/07/06 16:45:53 torek Exp
*/
#if defined(LIBC_SCCS) && !defined(lint)
.asciz "@(#)_setjmp.s 8.1 (Berkeley) 6/4/93"
#if 0
RCSID("$NetBSD: _setjmp.S,v 1.4 1998/10/08 02:27:59 eeh Exp $")
#endif
#endif /* LIBC_SCCS and not lint */
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#include "assym.s"
.register %g2,#ignore
.register %g3,#ignore
/*
* C library -- setjmp, longjmp
*
* longjmp(a,v)
* will generate a "return(v?v:1)" from
* the last call to
* setjmp(a)
* by restoring the previous context.
*/
ENTRY(setjmp)
save %sp, -CCFSZ, %sp
mov SIG_BLOCK, %o0
clr %o1
call CNAME(sigprocmask)
add %i0, _JB_SIGMASK, %o2
restore
stx %sp, [%o0 + _JB_SP]
stx %o7, [%o0 + _JB_PC]
retl
clr %o0
END(setjmp)
.weak CNAME(longjmp)
.set CNAME(longjmp),CNAME(__longjmp)
ENTRY(__longjmp)
save %sp, -CCFSZ, %sp
flushw
mov SIG_SETMASK, %o0
add %i0, _JB_SIGMASK, %o1
call CNAME(sigprocmask)
clr %o2
ldx [%i0 + _JB_SP], %fp
ldx [%i0 + _JB_PC], %i7
mov 1, %i0
movrnz %i1, %i1, %i0
ret
restore
END(__longjmp)
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