Home | History | Annotate | Line # | Download | only in gen
sigsetjmp.S revision 1.2 
      1 /*	$NetBSD: sigsetjmp.S,v 1.2 1998/10/08 02:27:59 eeh Exp $	*/
      2 /*
      3  * Copyright (c) 1995 Paul Kranenburg
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed by Paul Kranenburg.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  *
     31  */
     32 
     33 #include "SYS.h"
     34 
     35 #ifdef PIC
     36 
     37 ENTRY(sigsetjmp)
     38 	PIC_PROLOGUE(%g1,%g2)	! %g1 = _GLOBAL_OFFSET_TABLE
     39 	cmp %o1,0
     40 	st %o1,[%o0+0x38]		! jmpbuf[JBLEN]
     41 	bne,a 1f
     42 	 ld [%g1+_C_LABEL(setjmp)], %g1	! if (%o1 != 0) goto _setjmp;
     43 	ld [%g1+_C_LABEL(_setjmp)], %g1	! else goto __setjmp;
     44 1:
     45 	jmp %g1
     46 	 nop
     47 
     48 ENTRY(siglongjmp)
     49 	PIC_PROLOGUE(%g1,%g2)	! %g1 = _GLOBAL_OFFSET_TABLE
     50 	ld [%o0+0x38],%g2		! jmpbuf[JBLEN]
     51 	cmp %g2,0
     52 	bne,a 1f
     53 	 ld [%g1+_C_LABEL(longjmp)], %g1	 ! if (%g2 != 0) goto _longjmp;
     54 	ld [%g1+_C_LABEL(_longjmp)], %g1 ! else goto __longjmp;
     55 1:
     56 	jmp %g1
     57 	 nop
     58 	unimp 0
     59 
     60 #else /* PIC */
     61 
     62 ENTRY(sigsetjmp)
     63 	cmp %o1,0
     64 	be _C_LABEL(_setjmp)
     65 	 st %o1,[%o0+0x38]		! jmpbuf[JBLEN]
     66 	ba,a _C_LABEL(setjmp)
     67 	unimp 0
     68 
     69 ENTRY(siglongjmp)
     70 	ld [%o0+0x38],%g1
     71 	cmp %g1,0
     72 	be _C_LABEL(_longjmp)
     73 	 nop
     74 	ba,a _C_LABEL(longjmp)
     75 	unimp 0
     76 
     77 #endif /* PIC */
     78