1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
| 1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
|
36 * $Id: sigsetjmp.S,v 1.5 1996/01/22 00:00:54 julian Exp $
| 36 * $Id: sigsetjmp.S,v 1.6 1996/02/17 12:25:21 peter Exp $
|
37 */
38
39#if defined(LIBC_RCS) && !defined(lint)
40 .text
| 37 */
38
39#if defined(LIBC_RCS) && !defined(lint)
40 .text
|
41 .asciz "$Id: sigsetjmp.S,v 1.5 1996/01/22 00:00:54 julian Exp $"
| 41 .asciz "$Id: sigsetjmp.S,v 1.6 1996/02/17 12:25:21 peter Exp $"
|
42#endif /* LIBC_RCS and not lint */
43
44#include "DEFS.h"
45#include "SYS.h"
46
47/*-
48 * TODO:
49 * Rename sigsetjmp to __sigsetjmp and siglongjmp to __siglongjmp,
50 * remove the other *jmp functions and define everything in terms
51 * of the renamed functions. This requires compiler support for
52 * the renamed functions (introduced in gcc-2.5.3; previous versions
53 * only supported *jmp with 0 or 1 leading underscores).
54 *
55 * Use sigprocmask() instead of sigblock() and sigsetmask(), and
56 * check for and handle errors.
57 *
58 * Restore _all_ the registers and the signal mask atomically. Can
59 * use sigreturn() if sigreturn() works.
60 */
61
62#ifdef _THREAD_SAFE
63ENTRY(_thread_sys_sigsetjmp)
64#else
65ENTRY(sigsetjmp)
66#endif
67 movl 8(%esp),%eax
68 movl 4(%esp),%ecx
69 movl %eax,32(%ecx)
70 testl %eax,%eax
71 jz 1f
| 42#endif /* LIBC_RCS and not lint */
43
44#include "DEFS.h"
45#include "SYS.h"
46
47/*-
48 * TODO:
49 * Rename sigsetjmp to __sigsetjmp and siglongjmp to __siglongjmp,
50 * remove the other *jmp functions and define everything in terms
51 * of the renamed functions. This requires compiler support for
52 * the renamed functions (introduced in gcc-2.5.3; previous versions
53 * only supported *jmp with 0 or 1 leading underscores).
54 *
55 * Use sigprocmask() instead of sigblock() and sigsetmask(), and
56 * check for and handle errors.
57 *
58 * Restore _all_ the registers and the signal mask atomically. Can
59 * use sigreturn() if sigreturn() works.
60 */
61
62#ifdef _THREAD_SAFE
63ENTRY(_thread_sys_sigsetjmp)
64#else
65ENTRY(sigsetjmp)
66#endif
67 movl 8(%esp),%eax
68 movl 4(%esp),%ecx
69 movl %eax,32(%ecx)
70 testl %eax,%eax
71 jz 1f
|
| 72 PIC_PROLOGUE
|
72 pushl $0
73#ifdef _THREAD_SAFE
| 73 pushl $0
74#ifdef _THREAD_SAFE
|
74 call PIC_PLT(__thread_sys_sigblock)
| 75 call PIC_PLT(CNAME(_thread_sys_sigblock))
|
75#else
| 76#else
|
76 call PIC_PLT(_sigblock)
| 77 call PIC_PLT(CNAME(sigblock))
|
77#endif
78 addl $4,%esp
| 78#endif
79 addl $4,%esp
|
| 80 PIC_EPILOGUE
|
79 movl 4(%esp),%ecx
80 movl %eax,24(%ecx)
811: movl 0(%esp),%edx
82 movl %edx, 0(%ecx)
83 movl %ebx, 4(%ecx)
84 movl %esp, 8(%ecx)
85 movl %ebp,12(%ecx)
86 movl %esi,16(%ecx)
87 movl %edi,20(%ecx)
88 fnstcw 28(%ecx)
89 xorl %eax,%eax
90 ret
91
92#ifdef _THREAD_SAFE
93ENTRY(_thread_sys_siglongjmp)
94#else
95ENTRY(siglongjmp)
96#endif
97 movl 4(%esp),%edx
98 cmpl $0,32(%edx)
99 jz 1f
| 81 movl 4(%esp),%ecx
82 movl %eax,24(%ecx)
831: movl 0(%esp),%edx
84 movl %edx, 0(%ecx)
85 movl %ebx, 4(%ecx)
86 movl %esp, 8(%ecx)
87 movl %ebp,12(%ecx)
88 movl %esi,16(%ecx)
89 movl %edi,20(%ecx)
90 fnstcw 28(%ecx)
91 xorl %eax,%eax
92 ret
93
94#ifdef _THREAD_SAFE
95ENTRY(_thread_sys_siglongjmp)
96#else
97ENTRY(siglongjmp)
98#endif
99 movl 4(%esp),%edx
100 cmpl $0,32(%edx)
101 jz 1f
|
| 102 PIC_PROLOGUE
|
100 pushl 24(%edx)
101#ifdef _THREAD_SAFE
| 103 pushl 24(%edx)
104#ifdef _THREAD_SAFE
|
102 call PIC_PLT(__thread_sys_sigsetmask)
| 105 call PIC_PLT(CNAME(_thread_sys_sigsetmask))
|
103#else
| 106#else
|
104 call PIC_PLT(_sigsetmask)
| 107 call PIC_PLT(CNAME(sigsetmask))
|
105#endif
106 addl $4,%esp
| 108#endif
109 addl $4,%esp
|
| 110 PIC_EPILOGUE
|
1071: movl 4(%esp),%edx
108 movl 8(%esp),%eax
109 movl 0(%edx),%ecx
110 movl 4(%edx),%ebx
111 movl 8(%edx),%esp
112 movl 12(%edx),%ebp
113 movl 16(%edx),%esi
114 movl 20(%edx),%edi
115 fninit
116 fldcw 28(%edx)
117 testl %eax,%eax
118 jnz 2f
119 incl %eax
1202: movl %ecx,0(%esp)
121 ret
| 1111: movl 4(%esp),%edx
112 movl 8(%esp),%eax
113 movl 0(%edx),%ecx
114 movl 4(%edx),%ebx
115 movl 8(%edx),%esp
116 movl 12(%edx),%ebp
117 movl 16(%edx),%esi
118 movl 20(%edx),%edi
119 fninit
120 fldcw 28(%edx)
121 testl %eax,%eax
122 jnz 2f
123 incl %eax
1242: movl %ecx,0(%esp)
125 ret
|