svr4_machdep.h revision 43412 
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
29#ifndef	_I386_SVR4_MACHDEP_H_
30#define	_I386_SVR4_MACHDEP_H_
31
32#if !defined(SVR4_MACHDEP_JUST_REGS)
33#include <svr4/svr4_types.h>
34#endif
35
36/*
37 * Machine dependent portions [X86]
38 */
39
40#define SVR4_X86_GS	0
41#define SVR4_X86_FS	1
42#define SVR4_X86_ES	2
43#define SVR4_X86_DS	3
44#define SVR4_X86_EDI	4
45#define SVR4_X86_ESI	5
46#define SVR4_X86_EBP	6
47#define SVR4_X86_ESP	7
48#define SVR4_X86_EBX	8
49#define SVR4_X86_EDX	9
50#define SVR4_X86_ECX	10
51#define SVR4_X86_EAX	11
52#define SVR4_X86_TRAPNO	12
53#define SVR4_X86_ERR	13
54#define SVR4_X86_EIP	14
55#define SVR4_X86_CS	15
56#define SVR4_X86_EFL	16
57#define SVR4_X86_UESP	17
58#define SVR4_X86_SS	18
59#define SVR4_X86_MAXREG	19
60
61
62#if !defined(SVR4_MACHDEP_JUST_REGS)
63typedef int svr4_greg_t;
64typedef svr4_greg_t svr4_gregset_t[SVR4_X86_MAXREG];
65
66typedef struct {
67    int		f_x87[62];	/* x87 registers */
68    long	f_weitek[33]; 	/* weitek */
69} svr4_fregset_t;
70
71struct svr4_ucontext;
72
73void svr4_getcontext __P((struct proc *, struct svr4_ucontext *,
74			  int, int));
75int svr4_setcontext __P((struct proc *p, struct svr4_ucontext *));
76
77typedef struct {
78	svr4_gregset_t	greg;
79	svr4_fregset_t	freg;
80} svr4_mcontext_t;
81
82/*
83 * SYSARCH numbers
84 */
85#define SVR4_SYSARCH_FPHW	40
86#define SVR4_SYSARCH_DSCR	75
87
88struct svr4_ssd {
89	unsigned int selector;
90	unsigned int base;
91	unsigned int limit;
92	unsigned int access1;
93	unsigned int access2;
94};
95
96/*
97 * Processor traps
98 */
99#define	SVR4_T_DIVIDE		0
100#define	SVR4_T_TRCTRAP		1
101#define	SVR4_T_NMI		2
102#define	SVR4_T_BPTFLT		3
103#define	SVR4_T_OFLOW		4
104#define	SVR4_T_BOUND		5
105#define	SVR4_T_PRIVINFLT	6
106#define	SVR4_T_DNA		7
107#define	SVR4_T_DOUBLEFLT	8
108#define	SVR4_T_FPOPFLT		9
109#define	SVR4_T_TSSFLT		10
110#define	SVR4_T_SEGNPFLT		11
111#define	SVR4_T_STKFLT		12
112#define	SVR4_T_PROTFLT		13
113#define	SVR4_T_PAGEFLT		14
114#define	SVR4_T_ALIGNFLT		17
115
116#endif /* !SVR4_MACHDEP_JUST_REGS */
117#endif /* !_I386_SVR4_MACHDEP_H_ */
118