1 /*
2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
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. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31 #ifndef _I386_SVR4_MACHDEP_H_
32 #define _I386_SVR4_MACHDEP_H_
33
34 #if !defined(SVR4_MACHDEP_JUST_REGS)
35 #include <sys/signal.h>
36 #include <svr4/svr4_types.h>
37 #endif
38
39 /*
40 * Machine dependent portions [X86]
41 */
42
43 #define SVR4_X86_GS 0
44 #define SVR4_X86_FS 1
45 #define SVR4_X86_ES 2
46 #define SVR4_X86_DS 3
47 #define SVR4_X86_EDI 4
48 #define SVR4_X86_ESI 5
49 #define SVR4_X86_EBP 6
50 #define SVR4_X86_ESP 7
51 #define SVR4_X86_EBX 8
52 #define SVR4_X86_EDX 9
53 #define SVR4_X86_ECX 10
54 #define SVR4_X86_EAX 11
55 #define SVR4_X86_TRAPNO 12
56 #define SVR4_X86_ERR 13
57 #define SVR4_X86_EIP 14
58 #define SVR4_X86_CS 15
59 #define SVR4_X86_EFL 16
60 #define SVR4_X86_UESP 17
61 #define SVR4_X86_SS 18
62 #define SVR4_X86_MAXREG 19
63
64
65 #if !defined(SVR4_MACHDEP_JUST_REGS)
66 typedef int svr4_greg_t;
67 typedef svr4_greg_t svr4_gregset_t[SVR4_X86_MAXREG];
68
69 typedef struct {
70 int f_x87[62]; /* x87 registers */
71 long f_weitek[33]; /* weitek */
72 } svr4_fregset_t;
73
74 struct proc;
75 struct svr4_ucontext;
76
77 void svr4_getcontext __P((struct proc *, struct svr4_ucontext *,
78 sigset_t *, int));
79 int svr4_setcontext __P((struct proc *p, struct svr4_ucontext *));
80
81 typedef struct {
82 svr4_gregset_t greg;
83 svr4_fregset_t freg;
84 } svr4_mcontext_t;
85
86 /*
87 * SYSARCH numbers
88 */
89 #define SVR4_SYSARCH_FPHW 40
90 #define SVR4_SYSARCH_DSCR 75
91
92 struct svr4_ssd {
93 unsigned int selector;
94 unsigned int base;
95 unsigned int limit;
96 unsigned int access1;
97 unsigned int access2;
98 };
99
100 /*
101 * Processor traps
102 */
103 #define SVR4_T_DIVIDE 0
104 #define SVR4_T_TRCTRAP 1
105 #define SVR4_T_NMI 2
106 #define SVR4_T_BPTFLT 3
107 #define SVR4_T_OFLOW 4
108 #define SVR4_T_BOUND 5
109 #define SVR4_T_PRIVINFLT 6
110 #define SVR4_T_DNA 7
111 #define SVR4_T_DOUBLEFLT 8
112 #define SVR4_T_FPOPFLT 9
113 #define SVR4_T_TSSFLT 10
114 #define SVR4_T_SEGNPFLT 11
115 #define SVR4_T_STKFLT 12
116 #define SVR4_T_PROTFLT 13
117 #define SVR4_T_PAGEFLT 14
118 #define SVR4_T_ALIGNFLT 17
119
120 #endif /* !SVR4_MACHDEP_JUST_REGS */
121 #endif /* !_I386_SVR4_MACHDEP_H_ */
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