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: stable/9/sys/i386/svr4/svr4_machdep.h 139790 2005-01-06 22:18:23Z imp $
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)
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 thread;
75 struct svr4_ucontext;
76 
77 void svr4_getcontext(struct thread *, struct svr4_ucontext *, sigset_t *, int);
78 int svr4_setcontext(struct thread *p, struct svr4_ucontext *);
79 
80 typedef 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 
91 struct 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