65 lines
2.5 KiB
ArmAsm
65 lines
2.5 KiB
ArmAsm
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/*
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* Copyright (c) 1983, 1993, 1995
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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.asciz "$NetBSD: __sigsetjmp14.S,v 1.4 2003/08/07 16:42:31 agc Exp $"
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#endif /* LIBC_SCCS and not lint */
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/*
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* C library -- sigsetjmp, siglongjmp
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*
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* siglongjmp(a,v)
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* will generate a "return(v)" from
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* the last call to
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* sigsetjmp(a, savemask)
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* by restoring registers from the stack,
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* and dependent on savemask restores the
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* signal mask.
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*/
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#include "DEFS.h"
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#include <machine/setjmp.h>
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ENTRY(__sigsetjmp14, R6)
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movl 4(%ap),%r0 # get env pointer
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movl 8(%ap),(_JBLEN*4)(%r0) # save "savemask"
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tstl 8(%ap) # do saving of signal mask?
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beql L1
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jmp _C_LABEL(__setjmp14)+2 # yep, do full setjmp
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L1: jmp _C_LABEL(_setjmp)+2 # nope, skip to _setjmp
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ENTRY(__siglongjmp14, 0)
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movl 4(%ap),%r0 # get env pointer
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tstl (_JBLEN*4)(%r0) # test if "savemask" was set
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beql L2
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jmp _C_LABEL(__longjmp14)+2 # yep, do full longjmp
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L2: jmp _C_LABEL(_longjmp)+2 # nope, skip to _longjmp
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