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
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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: setjmp.S,v 1.3 1995/01/23 01:27:08 davidg Exp $
37 */
38
39#if defined(LIBC_RCS) && !defined(lint)
40 .text
41 .asciz "$Id: setjmp.S,v 1.3 1995/01/23 01:27:08 davidg Exp $"
42#endif /* LIBC_RCS and not lint */
43
44/*
45 * C library -- _setjmp, _longjmp
46 *
47 * longjmp(a,v)
48 * will generate a "return(v)" from the last call to
49 * setjmp(a)
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54#include "DEFS.h"
55#include "SYS.h"
56
57#ifdef _THREAD_SAFE
58ENTRY(_thread_sys_setjmp)
59#else
60ENTRY(setjmp)
61#endif
62 pushl $0
63#ifdef _THREAD_SAFE
64 call PIC_PLT(__thread_sys_sigblock)
65#else
66 call PIC_PLT(_sigblock)
67#endif
68 popl %edx
69 movl 4(%esp),%ecx
70 movl 0(%esp),%edx
71 movl %edx, 0(%ecx)
72 movl %ebx, 4(%ecx)
73 movl %esp, 8(%ecx)
74 movl %ebp,12(%ecx)
75 movl %esi,16(%ecx)
76 movl %edi,20(%ecx)
77 movl %eax,24(%ecx)
78 fnstcw 28(%ecx)
79 xorl %eax,%eax
80 ret
81
82#ifdef _THREAD_SAFE
83ENTRY(_thread_sys_longjmp)
84#else
85ENTRY(longjmp)
86#endif
87 movl 4(%esp),%edx
88 pushl 24(%edx)
89#ifdef _THREAD_SAFE
90 call PIC_PLT(__thread_sys_sigsetmask)
91#else
92 call PIC_PLT(_sigsetmask) /* XXX this is not reentrant */
93#endif
94 popl %eax
95 movl 4(%esp),%edx
96 movl 8(%esp),%eax
97 movl 0(%edx),%ecx
98 movl 4(%edx),%ebx
99 movl 8(%edx),%esp
100 movl 12(%edx),%ebp
101 movl 16(%edx),%esi
102 movl 20(%edx),%edi
103 fninit
104 fldcw 28(%edx)
105 testl %eax,%eax
106 jnz 1f
107 incl %eax
1081: movl %ecx,0(%esp)
109 ret
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
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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: setjmp.S,v 1.3 1995/01/23 01:27:08 davidg Exp $
37 */
38
39#if defined(LIBC_RCS) && !defined(lint)
40 .text
41 .asciz "$Id: setjmp.S,v 1.3 1995/01/23 01:27:08 davidg Exp $"
42#endif /* LIBC_RCS and not lint */
43
44/*
45 * C library -- _setjmp, _longjmp
46 *
47 * longjmp(a,v)
48 * will generate a "return(v)" from the last call to
49 * setjmp(a)
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54#include "DEFS.h"
55#include "SYS.h"
56
57#ifdef _THREAD_SAFE
58ENTRY(_thread_sys_setjmp)
59#else
60ENTRY(setjmp)
61#endif
62 pushl $0
63#ifdef _THREAD_SAFE
64 call PIC_PLT(__thread_sys_sigblock)
65#else
66 call PIC_PLT(_sigblock)
67#endif
68 popl %edx
69 movl 4(%esp),%ecx
70 movl 0(%esp),%edx
71 movl %edx, 0(%ecx)
72 movl %ebx, 4(%ecx)
73 movl %esp, 8(%ecx)
74 movl %ebp,12(%ecx)
75 movl %esi,16(%ecx)
76 movl %edi,20(%ecx)
77 movl %eax,24(%ecx)
78 fnstcw 28(%ecx)
79 xorl %eax,%eax
80 ret
81
82#ifdef _THREAD_SAFE
83ENTRY(_thread_sys_longjmp)
84#else
85ENTRY(longjmp)
86#endif
87 movl 4(%esp),%edx
88 pushl 24(%edx)
89#ifdef _THREAD_SAFE
90 call PIC_PLT(__thread_sys_sigsetmask)
91#else
92 call PIC_PLT(_sigsetmask) /* XXX this is not reentrant */
93#endif
94 popl %eax
95 movl 4(%esp),%edx
96 movl 8(%esp),%eax
97 movl 0(%edx),%ecx
98 movl 4(%edx),%ebx
99 movl 8(%edx),%esp
100 movl 12(%edx),%ebp
101 movl 16(%edx),%esi
102 movl 20(%edx),%edi
103 fninit
104 fldcw 28(%edx)
105 testl %eax,%eax
106 jnz 1f
107 incl %eax
1081: movl %ecx,0(%esp)
109 ret