89 lines
2.8 KiB
ArmAsm
89 lines
2.8 KiB
ArmAsm
/*
|
|
* 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)
|