NetBSD/lib/libc/arch/sparc64/gen/sigsetjmp.S

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2000-07-19 02:38:11 +04:00
/* $NetBSD: sigsetjmp.S,v 1.3 2000/07/18 22:39:25 eeh Exp $ */
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/*
* 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.
*
*/
#include "SYS.h"
#ifdef PIC
ENTRY(sigsetjmp)
PIC_PROLOGUE(%g1,%g2) ! %g1 = _GLOBAL_OFFSET_TABLE
cmp %o1,0
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st %o1,[%o0+0x38] ! jmpbuf[JBLEN]
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bne,a 1f
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ldx [%g1+_C_LABEL(setjmp)], %g1 ! if (%o1 != 0) goto _setjmp;
ldx [%g1+_C_LABEL(_setjmp)], %g1 ! else goto __setjmp;
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1:
jmp %g1
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nop
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ENTRY(siglongjmp)
PIC_PROLOGUE(%g1,%g2) ! %g1 = _GLOBAL_OFFSET_TABLE
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ld [%o0+0x38],%g2 ! jmpbuf[JBLEN]
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cmp %g2,0
bne,a 1f
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ldx [%g1+_C_LABEL(longjmp)], %g1 ! if (%g2 != 0) goto _longjmp;
ldx [%g1+_C_LABEL(_longjmp)], %g1 ! else goto __longjmp;
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1:
jmp %g1
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nop
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unimp 0
#else /* PIC */
ENTRY(sigsetjmp)
cmp %o1,0
be _C_LABEL(_setjmp)
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st %o1,[%o0+0x38] ! jmpbuf[JBLEN]
ba,a _C_LABEL(setjmp)
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unimp 0
ENTRY(siglongjmp)
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ld [%o0+0x38],%g1
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cmp %g1,0
be _C_LABEL(_longjmp)
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nop
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ba,a _C_LABEL(longjmp)
unimp 0
#endif /* PIC */