1 | /*␊ |
2 | * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * This file contains Original Code and/or Modifications of Original Code␊ |
7 | * as defined in and that are subject to the Apple Public Source License␊ |
8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
9 | * compliance with the License. The rights granted to you under the License␊ |
10 | * may not be used to create, or enable the creation or redistribution of,␊ |
11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
13 | * terms of an Apple operating system software license agreement.␊ |
14 | * ␊ |
15 | * Please obtain a copy of the License at␊ |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
17 | * ␊ |
18 | * The Original Code and all software distributed under the License are␊ |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
23 | * Please see the License for the specific language governing rights and␊ |
24 | * limitations under the License.␊ |
25 | * ␊ |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
27 | */␊ |
28 | /*␊ |
29 | * @OSF_COPYRIGHT@␊ |
30 | */␊ |
31 | /* ␊ |
32 | * Mach Operating System␊ |
33 | * Copyright (c) 1991,1990,1989 Carnegie Mellon University␊ |
34 | * All Rights Reserved.␊ |
35 | * ␊ |
36 | * Permission to use, copy, modify and distribute this software and its␊ |
37 | * documentation is hereby granted, provided that both the copyright␊ |
38 | * notice and this permission notice appear in all copies of the␊ |
39 | * software, derivative works or modified versions, and any portions␊ |
40 | * thereof, and that both notices appear in supporting documentation.␊ |
41 | * ␊ |
42 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"␊ |
43 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR␊ |
44 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.␊ |
45 | * ␊ |
46 | * Carnegie Mellon requests users of this software to return to␊ |
47 | * ␊ |
48 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU␊ |
49 | * School of Computer Science␊ |
50 | * Carnegie Mellon University␊ |
51 | * Pittsburgh PA 15213-3890␊ |
52 | * ␊ |
53 | * any improvements or extensions that they make and grant Carnegie Mellon␊ |
54 | * the rights to redistribute these changes.␊ |
55 | */␊ |
56 | /*␊ |
57 | */␊ |
58 | /*␊ |
59 | *␉File:␉thread_status.h␊ |
60 | *␉Author:␉Avadis Tevanian, Jr.␊ |
61 | *␉Date:␉1985␊ |
62 | *␊ |
63 | *␉This file contains the structure definitions for the thread␊ |
64 | *␉state as applied to I386 processors.␊ |
65 | */␊ |
66 | ␊ |
67 | #ifndef␉_MACH_I386_THREAD_STATUS_H_␊ |
68 | #define _MACH_I386_THREAD_STATUS_H_␊ |
69 | ␊ |
70 | #include <mach/i386/_structs.h>␊ |
71 | #include <mach/message.h>␊ |
72 | #include <mach/i386/fp_reg.h>␊ |
73 | #include <mach/i386/thread_state.h>␊ |
74 | #include <i386/eflags.h>␊ |
75 | ␊ |
76 | /*␊ |
77 | * the i386_xxxx form is kept for legacy purposes since these types␊ |
78 | * are externally known... eventually they should be deprecated.␊ |
79 | * our internal implementation has moved to the following naming convention␊ |
80 | *␊ |
81 | * x86_xxxx32 names are used to deal with 32 bit states␊ |
82 | * x86_xxxx64 names are used to deal with 64 bit states␊ |
83 | * x86_xxxx names are used to deal with either 32 or 64 bit states␊ |
84 | *␉via a self-describing mechanism␊ |
85 | */␊ |
86 | ␊ |
87 | /*␊ |
88 | * these are the legacy names which should be deprecated in the future␊ |
89 | * they are externally known which is the only reason we don't just get␊ |
90 | * rid of them␊ |
91 | */␊ |
92 | #define i386_THREAD_STATE␉␉1␊ |
93 | #define i386_FLOAT_STATE␉␉2␊ |
94 | #define i386_EXCEPTION_STATE␉␉3␊ |
95 | ␊ |
96 | /*␊ |
97 | * THREAD_STATE_FLAVOR_LIST 0␊ |
98 | * ␉these are the supported flavors␊ |
99 | */␊ |
100 | #define x86_THREAD_STATE32␉␉1␊ |
101 | #define x86_FLOAT_STATE32␉␉2␊ |
102 | #define x86_EXCEPTION_STATE32␉␉3␊ |
103 | #define x86_THREAD_STATE64␉␉4␊ |
104 | #define x86_FLOAT_STATE64␉␉5␊ |
105 | #define x86_EXCEPTION_STATE64␉␉6␊ |
106 | #define x86_THREAD_STATE␉␉7␊ |
107 | #define x86_FLOAT_STATE␉␉␉8␊ |
108 | #define x86_EXCEPTION_STATE␉␉9␊ |
109 | #define x86_DEBUG_STATE32␉␉10␊ |
110 | #define x86_DEBUG_STATE64␉␉11␊ |
111 | #define x86_DEBUG_STATE␉␉␉12␊ |
112 | #define THREAD_STATE_NONE␉␉13␊ |
113 | /* 15 and 16 are used for the internal x86_SAVED_STATE flavours */␊ |
114 | #define x86_AVX_STATE32␉␉␉16␊ |
115 | #define x86_AVX_STATE64␉␉␉17␊ |
116 | ␊ |
117 | ␊ |
118 | /*␊ |
119 | * Largest state on this machine:␊ |
120 | * (be sure mach/machine/thread_state.h matches!)␊ |
121 | */␊ |
122 | #define THREAD_MACHINE_STATE_MAX␉THREAD_STATE_MAX␊ |
123 | ␊ |
124 | /*␊ |
125 | * VALID_THREAD_STATE_FLAVOR is a platform specific macro that when passed␊ |
126 | * an exception flavor will return if that is a defined flavor for that␊ |
127 | * platform. The macro must be manually updated to include all of the valid␊ |
128 | * exception flavors as defined above.␊ |
129 | */␊ |
130 | #define VALID_THREAD_STATE_FLAVOR(x) \␊ |
131 | ␉ ((x == x86_THREAD_STATE32)␉|| \␊ |
132 | ␉ (x == x86_FLOAT_STATE32)␉|| \␊ |
133 | ␉ (x == x86_EXCEPTION_STATE32)␉|| \␊ |
134 | ␉ (x == x86_DEBUG_STATE32)␉|| \␊ |
135 | ␉ (x == x86_THREAD_STATE64)␉|| \␊ |
136 | ␉ (x == x86_FLOAT_STATE64)␉|| \␊ |
137 | ␉ (x == x86_EXCEPTION_STATE64)␉|| \␊ |
138 | ␉ (x == x86_DEBUG_STATE64)␉|| \␊ |
139 | ␉ (x == x86_THREAD_STATE)␉|| \␊ |
140 | ␉ (x == x86_FLOAT_STATE)␉|| \␊ |
141 | ␉ (x == x86_EXCEPTION_STATE)␉|| \␊ |
142 | ␉ (x == x86_DEBUG_STATE)␉|| \␊ |
143 | ␉ (x == x86_AVX_STATE32)␉|| \␊ |
144 | ␉ (x == x86_AVX_STATE64)␉|| \␊ |
145 | ␉ (x == THREAD_STATE_NONE))␊ |
146 | ␊ |
147 | struct x86_state_hdr {␊ |
148 | ␉int␉flavor;␊ |
149 | ␉int␉count;␊ |
150 | };␊ |
151 | typedef struct x86_state_hdr x86_state_hdr_t;␊ |
152 | ␊ |
153 | /*␊ |
154 | * Default segment register values.␊ |
155 | */␊ |
156 | ␊ |
157 | #define USER_CODE_SELECTOR␉0x0017␊ |
158 | #define USER_DATA_SELECTOR␉0x001f␊ |
159 | #define KERN_CODE_SELECTOR␉0x0008␊ |
160 | #define KERN_DATA_SELECTOR␉0x0010␊ |
161 | ␊ |
162 | /*␊ |
163 | * to be deprecated in the future␊ |
164 | */␊ |
165 | typedef _STRUCT_X86_THREAD_STATE32 i386_thread_state_t;␊ |
166 | #define i386_THREAD_STATE_COUNT␉((mach_msg_type_number_t) \␊ |
167 | ( sizeof (i386_thread_state_t) / sizeof (int) ))␊ |
168 | ␊ |
169 | typedef _STRUCT_X86_THREAD_STATE32 x86_thread_state32_t;␊ |
170 | #define x86_THREAD_STATE32_COUNT␉((mach_msg_type_number_t) \␊ |
171 | ( sizeof (x86_thread_state32_t) / sizeof (int) ))␊ |
172 | ␊ |
173 | /*␊ |
174 | * to be deprecated in the future␊ |
175 | */␊ |
176 | typedef _STRUCT_X86_FLOAT_STATE32 i386_float_state_t;␊ |
177 | #define i386_FLOAT_STATE_COUNT ((mach_msg_type_number_t) \␊ |
178 | ␉␉(sizeof(i386_float_state_t)/sizeof(unsigned int)))␊ |
179 | ␊ |
180 | typedef _STRUCT_X86_FLOAT_STATE32 x86_float_state32_t;␊ |
181 | #define x86_FLOAT_STATE32_COUNT ((mach_msg_type_number_t) \␊ |
182 | ␉␉(sizeof(x86_float_state32_t)/sizeof(unsigned int)))␊ |
183 | ␊ |
184 | typedef _STRUCT_X86_AVX_STATE32 x86_avx_state32_t;␊ |
185 | #define x86_AVX_STATE32_COUNT ((mach_msg_type_number_t) \␊ |
186 | ␉␉(sizeof(x86_avx_state32_t)/sizeof(unsigned int)))␊ |
187 | ␊ |
188 | /*␊ |
189 | * to be deprecated in the future␊ |
190 | */␊ |
191 | typedef _STRUCT_X86_EXCEPTION_STATE32 i386_exception_state_t;␊ |
192 | #define i386_EXCEPTION_STATE_COUNT␉((mach_msg_type_number_t) \␊ |
193 | ( sizeof (i386_exception_state_t) / sizeof (int) ))␊ |
194 | ␊ |
195 | typedef _STRUCT_X86_EXCEPTION_STATE32 x86_exception_state32_t;␊ |
196 | #define x86_EXCEPTION_STATE32_COUNT␉((mach_msg_type_number_t) \␊ |
197 | ( sizeof (x86_exception_state32_t) / sizeof (int) ))␊ |
198 | ␊ |
199 | #define I386_EXCEPTION_STATE_COUNT i386_EXCEPTION_STATE_COUNT␊ |
200 | ␊ |
201 | typedef _STRUCT_X86_DEBUG_STATE32 x86_debug_state32_t;␊ |
202 | #define x86_DEBUG_STATE32_COUNT ((mach_msg_type_number_t) \␊ |
203 | ␉( sizeof (x86_debug_state32_t) / sizeof (int) ))␊ |
204 | ␊ |
205 | #define X86_DEBUG_STATE32_COUNT x86_DEBUG_STATE32_COUNT␊ |
206 | ␊ |
207 | typedef _STRUCT_X86_THREAD_STATE64 x86_thread_state64_t;␊ |
208 | #define x86_THREAD_STATE64_COUNT␉((mach_msg_type_number_t) \␊ |
209 | ( sizeof (x86_thread_state64_t) / sizeof (int) ))␊ |
210 | ␊ |
211 | typedef _STRUCT_X86_FLOAT_STATE64 x86_float_state64_t;␊ |
212 | #define x86_FLOAT_STATE64_COUNT ((mach_msg_type_number_t) \␊ |
213 | ␉␉(sizeof(x86_float_state64_t)/sizeof(unsigned int)))␊ |
214 | ␊ |
215 | typedef _STRUCT_X86_AVX_STATE64 x86_avx_state64_t;␊ |
216 | #define x86_AVX_STATE64_COUNT ((mach_msg_type_number_t) \␊ |
217 | ␉␉(sizeof(x86_avx_state64_t)/sizeof(unsigned int)))␊ |
218 | ␊ |
219 | typedef _STRUCT_X86_EXCEPTION_STATE64 x86_exception_state64_t;␊ |
220 | #define x86_EXCEPTION_STATE64_COUNT␉((mach_msg_type_number_t) \␊ |
221 | ( sizeof (x86_exception_state64_t) / sizeof (int) ))␊ |
222 | ␊ |
223 | #define X86_EXCEPTION_STATE64_COUNT x86_EXCEPTION_STATE64_COUNT␊ |
224 | ␊ |
225 | typedef _STRUCT_X86_DEBUG_STATE64 x86_debug_state64_t;␊ |
226 | #define x86_DEBUG_STATE64_COUNT␉((mach_msg_type_number_t) \␊ |
227 | ( sizeof (x86_debug_state64_t) / sizeof (int) ))␊ |
228 | ␊ |
229 | #define X86_DEBUG_STATE64_COUNT x86_DEBUG_STATE64_COUNT␊ |
230 | ␊ |
231 | /*␊ |
232 | * Combined thread, float and exception states␊ |
233 | */␊ |
234 | struct x86_thread_state {␊ |
235 | ␉x86_state_hdr_t␉␉␉tsh;␊ |
236 | ␉union {␊ |
237 | ␉ x86_thread_state32_t␉ts32;␊ |
238 | ␉ x86_thread_state64_t␉ts64;␊ |
239 | ␉} uts;␊ |
240 | };␊ |
241 | ␊ |
242 | struct x86_float_state {␊ |
243 | ␉x86_state_hdr_t␉␉␉fsh;␊ |
244 | ␉union {␊ |
245 | ␉␉x86_float_state32_t␉fs32;␊ |
246 | ␉␉x86_float_state64_t␉fs64;␊ |
247 | ␉} ufs;␊ |
248 | };␊ |
249 | ␊ |
250 | struct x86_exception_state {␊ |
251 | ␉x86_state_hdr_t␉␉␉esh;␊ |
252 | ␉union {␊ |
253 | ␉␉x86_exception_state32_t␉es32;␊ |
254 | ␉␉x86_exception_state64_t␉es64;␊ |
255 | ␉} ues;␊ |
256 | };␊ |
257 | ␊ |
258 | struct x86_debug_state {␊ |
259 | ␉x86_state_hdr_t␉␉␉dsh;␊ |
260 | ␉union {␊ |
261 | ␉␉x86_debug_state32_t␉ds32;␊ |
262 | ␉␉x86_debug_state64_t␉ds64;␊ |
263 | ␉} uds;␊ |
264 | };␊ |
265 | ␊ |
266 | typedef struct x86_thread_state x86_thread_state_t;␊ |
267 | #define x86_THREAD_STATE_COUNT␉((mach_msg_type_number_t) \␊ |
268 | ␉␉( sizeof (x86_thread_state_t) / sizeof (int) ))␊ |
269 | ␊ |
270 | typedef struct x86_float_state x86_float_state_t;␊ |
271 | #define x86_FLOAT_STATE_COUNT ((mach_msg_type_number_t) \␊ |
272 | ␉␉(sizeof(x86_float_state_t)/sizeof(unsigned int)))␊ |
273 | ␊ |
274 | typedef struct x86_exception_state x86_exception_state_t;␊ |
275 | #define x86_EXCEPTION_STATE_COUNT ((mach_msg_type_number_t) \␊ |
276 | ␉␉(sizeof(x86_exception_state_t)/sizeof(unsigned int)))␊ |
277 | ␊ |
278 | typedef struct x86_debug_state x86_debug_state_t;␊ |
279 | #define x86_DEBUG_STATE_COUNT ((mach_msg_type_number_t) \␊ |
280 | ␉␉(sizeof(x86_debug_state_t)/sizeof(unsigned int)))␊ |
281 | ␊ |
282 | /*␊ |
283 | * Machine-independent way for servers and Mach's exception mechanism to␊ |
284 | * choose the most efficient state flavor for exception RPC's:␊ |
285 | */␊ |
286 | #define MACHINE_THREAD_STATE␉␉x86_THREAD_STATE␊ |
287 | #define MACHINE_THREAD_STATE_COUNT␉x86_THREAD_STATE_COUNT␊ |
288 | ␊ |
289 | /*␊ |
290 | * when reloading the segment registers on␊ |
291 | * a return out of the kernel, we may take␊ |
292 | * a GeneralProtection or SegmentNotPresent␊ |
293 | * fault if one or more of the segment␊ |
294 | * registers in the saved state was improperly␊ |
295 | * specified via an x86_THREAD_STATE32 call␊ |
296 | * the frame we push on top of the existing␊ |
297 | * save area looks like this... we need to␊ |
298 | * carry this as part of the save area␊ |
299 | * in case we get hit so that we have a big␊ |
300 | * enough stack␊ |
301 | */␊ |
302 | struct x86_seg_load_fault32 {␊ |
303 | ␉uint16_t␉trapno;␊ |
304 | ␉uint16_t␉cpu;␊ |
305 | ␉uint32_t␉err;␊ |
306 | ␉uint32_t␉eip;␊ |
307 | ␉uint32_t␉cs;␊ |
308 | ␉uint32_t␉efl;␊ |
309 | };␊ |
310 | ␊ |
311 | ␊ |
312 | #endif␉/* _MACH_I386_THREAD_STATUS_H_ */␊ |
313 | |