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 <compat/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)
66typedef int svr4_greg_t;
67typedef svr4_greg_t svr4_gregset_t[SVR4_X86_MAXREG];
68
69typedef struct {
70    int		f_x87[62];	/* x87 registers */
71    long	f_weitek[33]; 	/* weitek */
72} svr4_fregset_t;
73
74struct thread;
75struct svr4_ucontext;
76
77void svr4_getcontext(struct thread *, struct svr4_ucontext *, sigset_t *, int);
78int svr4_setcontext(struct thread *p, struct svr4_ucontext *);
79
80typedef struct {
81	svr4_gregset_t	greg;
82	svr4_fregset_t	freg;
83} svr4_mcontext_t;
84
85/*
86 * SYSARCH numbers
87 */
88#define SVR4_SYSARCH_FPHW	40
89#define SVR4_SYSARCH_DSCR	75
90
91struct svr4_ssd {
92	unsigned int selector;
93	unsigned int base;
94	unsigned int limit;
95	unsigned int access1;
96	unsigned int access2;
97};
98
99/*
100 * Processor traps
101 */
102#define	SVR4_T_DIVIDE		0
103#define	SVR4_T_TRCTRAP		1
104#define	SVR4_T_NMI		2
105#define	SVR4_T_BPTFLT		3
106#define	SVR4_T_OFLOW		4
107#define	SVR4_T_BOUND		5
108#define	SVR4_T_PRIVINFLT	6
109#define	SVR4_T_DNA		7
110#define	SVR4_T_DOUBLEFLT	8
111#define	SVR4_T_FPOPFLT		9
112#define	SVR4_T_TSSFLT		10
113#define	SVR4_T_SEGNPFLT		11
114#define	SVR4_T_STKFLT		12
115#define	SVR4_T_PROTFLT		13
116#define	SVR4_T_PAGEFLT		14
117#define	SVR4_T_ALIGNFLT		17
118
119#endif /* !SVR4_MACHDEP_JUST_REGS */
120#endif /* !_I386_SVR4_MACHDEP_H_ */
121