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