b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
102 lines
3.2 KiB
ArmAsm
102 lines
3.2 KiB
ArmAsm
/* $NetBSD: compat_sigsetjmp.S,v 1.1 2005/10/16 04:41:34 christos 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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#ifdef BIGPIC
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ENTRY(sigsetjmp)
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PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
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set _C_LABEL(setjmp), %o2 ! if (%o1 != 0) goto _setjmp;
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set _C_LABEL(_setjmp), %o3 ! else goto __setjmp;
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movrnz %o1, %o2, %o3
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ldx [%g1+%o3], %g1
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jmp %g1
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st %o1,[%o0+0x48] ! jmpbuf[JBLEN]
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ENTRY(siglongjmp)
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PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
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ld [%o0 + 0x48],%o2 ! jmpbuf[JBLEN]
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set _C_LABEL(longjmp), %o3 ! if (%o2 != 0) goto _longjmp;
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set _C_LABEL(_longjmp), %o4 ! else goto __longjmp;
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movrnz %o2, %o3, %o4
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ldx [%g1 + %o4], %g1
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jmp %g1
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nop
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unimp 0
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#else
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ENTRY(sigsetjmp)
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PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
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cmp %o1, 0
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bne,a 1f
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ldx [%g1 + _C_LABEL(setjmp)], %g1 ! if (%o1 != 0) goto _setjmp;
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ldx [%g1 + _C_LABEL(_setjmp)], %g1 ! else goto __setjmp;
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1:
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jmp %g1
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st %o1,[%o0+0x48] ! jmpbuf[JBLEN]
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ENTRY(siglongjmp)
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PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
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cmp %o2, 0
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ld [%o0 + 0x48],%o2 ! jmpbuf[JBLEN]
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bne,a 1f
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ldx [%g1 + _C_LABEL(longjmp)], %g1 ! if (%o2 != 0) goto _longjmp;
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ldx [%g1 + _C_LABEL(_longjmp)], %g1 ! else goto __longjmp;
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1:
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jmp %g1
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nop
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unimp 0
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#endif /* BIGPIC */
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#else /* PIC */
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ENTRY(sigsetjmp)
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brz,pt %o1,_C_LABEL(_setjmp)
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st %o1,[%o0+0x48] ! jmpbuf[JBLEN]
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ba,a,pt %icc,_C_LABEL(setjmp)
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nop ! spitfire bug
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unimp 0
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ENTRY(siglongjmp)
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ld [%o0 + 0x48], %g1
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brz,pt %g1, _C_LABEL(_longjmp)
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nop
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ba,a,pt %icc, _C_LABEL(longjmp)
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unimp 0
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#endif /* PIC */
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