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sigsetjmp.S revision 1.8
      1 /*	$NetBSD: sigsetjmp.S,v 1.8 2005/10/16 17:15:38 christos 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 #ifdef BIGPIC
     37 
     38 ENTRY(__sigsetjmp14)
     39 	PIC_PROLOGUE(%g1,%o2)		! %g1 = _GLOBAL_OFFSET_TABLE
     40 	st	%o1,[%o0+0x68]		! jmpbuf[JBLEN]
     41 	sethi	%hi(_C_LABEL(__setjmp14)), %o2
     42 	sethi	%hi(_C_LABEL(_setjmp)), %o3
     43 	or	%o2, %lo(_C_LABEL(__setjmp14)), %o2
     44 	or	%o3, %lo(_C_LABEL(_setjmp)), %o3
     45 	brz	%o1, 1f
     46 	 ldx	[%g1+%o3], %o3		! if (%o1 == 0) goto _setjmp;
     47 	ldx	[%g1+%o2], %o3		! else goto __setjmp;
     48 1:
     49 	jmp	%o3
     50 	 nop
     51 
     52 ENTRY(__siglongjmp14)
     53 	PIC_PROLOGUE(%g1,%o2)		! %g1 = _GLOBAL_OFFSET_TABLE
     54 	ld	[%o0+0x68], %o2		! jmpbuf[JBLEN]
     55 	sethi	%hi(_C_LABEL(__longjmp14)), %o3
     56 	sethi	%hi(_C_LABEL(_longjmp)), %o4
     57 	or	%o3, %lo(_C_LABEL(__longjmp14)), %o3
     58 	or	%o4, %lo(_C_LABEL(_longjmp)), %o4
     59 	brz,a	%o2, 1f
     60 	 ldx	[%g1+%o4], %o4		! if (%o2 == 0) goto _longjmp;
     61 	ldx	[%g1+%o3], %o4		! else goto __longjmp;
     62 1:
     63 	jmp	%o4
     64 	 nop
     65 	unimp 0
     66 #else
     67 
     68 ENTRY(__sigsetjmp14)
     69 	PIC_PROLOGUE(%g1,%o2)			! %g1 = _GLOBAL_OFFSET_TABLE
     70 	cmp	%o1,0
     71 	st	%o1,[%o0+0x68]			! jmpbuf[JBLEN]
     72 	bne,a	1f
     73 	 ldx	[%g1+_C_LABEL(__setjmp14)], %g1	! if (%o1 != 0) goto __setjmp;
     74 	ldx	[%g1+_C_LABEL(_setjmp)], %g1	! else goto _setjmp;
     75 1:
     76 	jmp %g1
     77 	 nop
     78 
     79 ENTRY(__siglongjmp14)
     80 	PIC_PROLOGUE(%g1,%o2)			! %g1 = _GLOBAL_OFFSET_TABLE
     81 	ld	[%o0+0x68],%o2			! jmpbuf[JBLEN]
     82 	cmp	%o2,0
     83 	bne,a	1f
     84 	 ldx	[%g1+_C_LABEL(__longjmp14)], %g1 ! if (%o2 != 0) goto __longjmp;
     85 	ldx	[%g1+_C_LABEL(_longjmp)], %g1	! else goto _longjmp;
     86 1:
     87 	jmp %g1
     88 	 nop
     89 	unimp 0
     90 #endif /* BIGPIC */
     91 #else /* PIC */
     92 
     93 ENTRY(__sigsetjmp14)
     94 	cmp	%o1,0
     95 	be	_C_LABEL(_setjmp)
     96 	 st	%o1,[%o0+0x68]		! jmpbuf[JBLEN]
     97 	ba,a	_C_LABEL(__setjmp14)
     98 	unimp 0
     99 
    100 ENTRY(__siglongjmp14)
    101 	ld	[%o0+0x68],%g1
    102 	cmp	%g1,0
    103 	be	_C_LABEL(_longjmp)
    104 	 nop
    105 	ba,a	_C_LABEL(__longjmp14)
    106 	unimp 0
    107 
    108 #endif /* PIC */
    109