94 lines
2.7 KiB
ArmAsm
94 lines
2.7 KiB
ArmAsm
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/* $NetBSD: compat_sigsetjmp.S,v 1.2 2007/10/08 13:06:00 uwe Exp $ */
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/*
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* Copyright (c) 1995 Paul Kranenburg
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* 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Kranenburg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "SYS.h"
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#ifdef PIC
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ENTRY(sigsetjmp)
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PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE
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tst %o1
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bnz 1f
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st %o1, [%o0 + 56] ! jmpbuf[JBLEN] = savemask
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!! if (savemask == 0) goto _setjmp
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set _C_LABEL(_setjmp), %g2
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ld [%g1 + %g2], %g1
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jmp %g1
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nop
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!! if (savemask != 0) goto setjmp
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1: set _C_LABEL(setjmp), %g2
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ld [%g1 + %g2], %g1
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jmp %g1
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nop
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ENTRY(siglongjmp)
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PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE
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ld [%o0 + 56], %g2 ! restoremask = jmpbuf[JBLEN]
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tst %g2
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bnz 1f
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nop
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!! if (restoremask == 0) goto _longjmp
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set _C_LABEL(_longjmp), %g2
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ld [%g1 + %g2], %g1
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jmp %g1
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nop
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!! if (restoremask != 0) goto longjmp
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1: set _C_LABEL(longjmp), %g2
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ld [%g1 + %g2], %g1
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jmp %g1
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nop
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#else /* !PIC */
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ENTRY(sigsetjmp)
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cmp %o1,0
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be _C_LABEL(_setjmp)
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st %o1,[%o0+40] ! jmpbuf[JBLEN]
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nop
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ba,a _C_LABEL(setjmp)
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unimp 0
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ENTRY(siglongjmp)
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ld [%o0+40],%g1
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cmp %g1,0
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be _C_LABEL(_longjmp)
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nop
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ba,a _C_LABEL(longjmp)
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unimp 0
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#endif /* !PIC */
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