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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/setjmp.h>
#include "../common/ucontext.h"
int _getsp();
int
setjmp(env)
jmp_buf env;
{
register o_setjmp_struct_t *bp = (o_setjmp_struct_t *)env;
register int sp = _getsp();
ucontext_t uc;
/*
* Get the current machine context.
*/
uc.uc_flags = UC_STACK;
__getcontext(&uc);
/*
* Note that the pc and former sp (fp) from the stack are valid
* because the call to __getcontext must flush the user windows
* to the stack.
*/
bp->sjs_flags = 0;
bp->sjs_sp = *((int *)sp+14);
bp->sjs_pc = *((int *)sp+15) + 0x8;
bp->sjs_sigmask[0] = 0;
bp->sjs_sigmask[1] = 0;
bp->sjs_sigmask[2] = 0;
bp->sjs_stack = uc.uc_stack;
return (0);
}
void
longjmp(env, val)
jmp_buf env;
int val;
{
o_setjmp_struct_t *bp = (o_setjmp_struct_t *)env;
setjmp_struct_t sjmp, *sp;
sp = &sjmp;
sp->sjs_flags = bp->sjs_flags;
sp->sjs_sp = bp->sjs_sp;
sp->sjs_pc = bp->sjs_pc;
sp->sjs_fp = 0;
sp->sjs_i7 = 0;
sp->sjs_uclink = 0;
sp->sjs_sigmask[0] = bp->sjs_sigmask[0];
sp->sjs_sigmask[1] = bp->sjs_sigmask[1];
sp->sjs_sigmask[2] = bp->sjs_sigmask[2];
sp->sjs_sigmask[3] = 0;
sp->sjs_stack = bp->sjs_stack;
_siglongjmp(sjmp, val);
}
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