1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2015 Nexenta Systems, Inc. All rights reserved.
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_REGSET_H
#define _SYS_REGSET_H
#include <sys/feature_tests.h>
#if !defined(_ASM)
#include <sys/int_types.h>
#endif
#include <sys/mcontext.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Location of the users' stored registers relative to R0.
* Usage is as an index into a gregset_t array or as u.u_ar0[XX].
*/
#if defined(__sparcv9)
#define REG_CCR (0)
#if defined(_SYSCALL32)
#define REG_PSR (0)
#endif /* _SYSCALL32 */
#else
#define REG_PSR (0)
#endif /* __sparcv9 */
#define REG_PC (1)
#define REG_nPC (2)
#define REG_Y (3)
#define REG_G1 (4)
#define REG_G2 (5)
#define REG_G3 (6)
#define REG_G4 (7)
#define REG_G5 (8)
#define REG_G6 (9)
#define REG_G7 (10)
#define REG_O0 (11)
#define REG_O1 (12)
#define REG_O2 (13)
#define REG_O3 (14)
#define REG_O4 (15)
#define REG_O5 (16)
#define REG_O6 (17)
#define REG_O7 (18)
#if defined(__sparcv9)
#define REG_ASI (19)
#define REG_FPRS (20)
#endif /* __sparcv9 */
/* the following defines are for portability */
#if !defined(__sparcv9)
#define REG_PS REG_PSR
#endif /* __sparcv9 */
#define REG_SP REG_O6
#define REG_R0 REG_O0
#define REG_R1 REG_O1
#ifndef _ASM
#define NGREG _NGREG
#define MAXFPQ _MAXFPQ
/*
* The following structures define how a register window can appear on the
* stack. This structure is available (when required) through the `gwins'
* field of an mcontext (nested within ucontext). SPARC_MAXWINDOW is the
* maximum number of outstanding regiters window defined in the SPARC
* architecture (*not* implementation).
*/
#define SPARC_MAXREGWINDOW 31 /* max windows in SPARC arch. */
struct rwindow {
greg_t rw_local[8]; /* locals */
greg_t rw_in[8]; /* ins */
};
#if defined(_SYSCALL32)
struct rwindow32 {
greg32_t rw_local[8]; /* locals */
greg32_t rw_in[8]; /* ins */
};
struct rwindow64 {
greg64_t rw_local[8]; /* locals */
greg64_t rw_in[8]; /* ins */
};
#if defined(_KERNEL)
extern void rwindow_nto32(struct rwindow *, struct rwindow32 *);
extern void rwindow_32ton(struct rwindow32 *, struct rwindow *);
#endif
#endif /* _SYSCALL32 */
#define rw_fp rw_in[6] /* frame pointer */
#define rw_rtn rw_in[7] /* return address */
typedef struct _gwindows {
int wbcnt;
greg_t *spbuf[SPARC_MAXREGWINDOW];
struct rwindow wbuf[SPARC_MAXREGWINDOW];
} gwindows_t;
#if defined(_SYSCALL32)
typedef struct gwindows32 {
int32_t wbcnt;
caddr32_t spbuf[SPARC_MAXREGWINDOW];
struct rwindow32 wbuf[SPARC_MAXREGWINDOW];
} gwindows32_t;
typedef struct gwindows64 {
int wbcnt;
greg64_t *spbuf[SPARC_MAXREGWINDOW];
struct rwindow64 wbuf[SPARC_MAXREGWINDOW];
} gwindows64_t;
#endif /* _SYSCALL32 */
/*
* The following #define's are obsolete and may be removed in a future release.
* The corresponding integer types should be used instead (i.e. uint64_t).
*/
#define FPU_REGS_TYPE uint32_t
#define FPU_DREGS_TYPE uint64_t
#define V7_FPU_FSR_TYPE uint32_t
#define V9_FPU_FSR_TYPE uint64_t
#define V9_FPU_FPRS_TYPE uint32_t
#define XRS_ID _XRS_ID
#endif /* !_ASM */
/*
* The version of privregs.h that is used on implementations that run
* on processors that support the V9 instruction set is deliberately not
* imported here.
*
* The V9 'struct regs' definition is -not- compatible with either 32-bit
* or 64-bit core file contents, nor with the ucontext. As a result, the
* 'regs' structure cannot be used portably by applications, and should
* only be used by the kernel implementation.
*
* The inclusion of the SPARC V7 version of privregs.h allows for some
* limited source compatibility with 32-bit applications who expect to use
* 'struct regs' to match the content of a 32-bit core file, or a ucontext_t.
*
* Note that the ucontext_t actually describes the general registers in
* terms of the gregset_t data type, as described in mcontex.h. Note also
* that the core file content is defined by core(4) in terms of data types
* defined by procfs -- see proc(4).
*/
#if !defined(__sparcv9)
#if !defined(_KERNEL) && !defined(_XPG4_2) || defined(__EXTENSIONS__)
#include <v7/sys/privregs.h>
#endif /* !_KERNEL && !_XPG4_2 || __EXTENSIONS__ */
#endif /* __sparcv9 */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_REGSET_H */
|
