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c906108c | 1 | /* Module support. |
836cc9f4 | 2 | |
32d0add0 | 3 | Copyright 1996-2015 Free Software Foundation, Inc. |
836cc9f4 | 4 | |
c906108c SS |
5 | Contributed by Cygnus Support. |
6 | ||
7 | This file is part of GDB, the GNU debugger. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
11 | the Free Software Foundation; either version 3 of the License, or |
12 | (at your option) any later version. | |
c906108c SS |
13 | |
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
4744ac1b JB |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c | 21 | |
8406bb59 | 22 | #include "config.h" |
c906108c SS |
23 | #include "sim-main.h" |
24 | #include "sim-io.h" | |
25 | #include "sim-options.h" | |
26 | #include "sim-assert.h" | |
27 | ||
28 | #if WITH_HW | |
29 | #include "sim-hw.h" | |
30 | #endif | |
31 | ||
8406bb59 MF |
32 | #ifdef HAVE_DV_SOCKSER |
33 | /* TODO: Shouldn't have device models here. */ | |
34 | #include "dv-sockser.h" | |
35 | #endif | |
36 | ||
c906108c SS |
37 | #include "libiberty.h" |
38 | ||
39 | /* List of all modules. */ | |
40 | static MODULE_INSTALL_FN * const modules[] = { | |
41 | standard_install, | |
42 | sim_events_install, | |
c906108c | 43 | sim_model_install, |
c906108c | 44 | sim_engine_install, |
bffcfec8 | 45 | #if WITH_TRACE_ANY_P |
c906108c SS |
46 | trace_install, |
47 | #endif | |
48 | #if WITH_PROFILE | |
49 | profile_install, | |
50 | #endif | |
51 | sim_core_install, | |
c906108c | 52 | sim_memopt_install, |
c906108c | 53 | sim_watchpoint_install, |
c906108c SS |
54 | #if WITH_SCACHE |
55 | scache_install, | |
56 | #endif | |
c906108c SS |
57 | #if WITH_HW |
58 | sim_hw_install, | |
8406bb59 MF |
59 | #endif |
60 | #ifdef HAVE_DV_SOCKSER | |
61 | /* TODO: Shouldn't have device models here. */ | |
62 | dv_sockser_install, | |
c906108c SS |
63 | #endif |
64 | 0 | |
65 | }; | |
66 | \f | |
67 | /* Functions called from sim_open. */ | |
68 | ||
69 | /* Initialize common parts before argument processing. */ | |
70 | ||
71 | SIM_RC | |
72 | sim_pre_argv_init (SIM_DESC sd, const char *myname) | |
73 | { | |
74 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
75 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
76 | ||
77 | STATE_MY_NAME (sd) = myname + strlen (myname); | |
78 | while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/') | |
79 | --STATE_MY_NAME (sd); | |
80 | ||
81 | /* Set the cpu names to default values. */ | |
82 | { | |
83 | int i; | |
84 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
85 | { | |
86 | char *name; | |
39a3ae0a MF |
87 | if (asprintf (&name, "cpu%d", i) < 0) |
88 | return SIM_RC_FAIL; | |
c906108c SS |
89 | CPU_NAME (STATE_CPU (sd, i)) = name; |
90 | } | |
91 | } | |
92 | ||
93 | sim_config_default (sd); | |
94 | ||
95 | /* Install all configured in modules. */ | |
96 | if (sim_module_install (sd) != SIM_RC_OK) | |
97 | return SIM_RC_FAIL; | |
98 | ||
99 | return SIM_RC_OK; | |
100 | } | |
101 | ||
102 | /* Initialize common parts after argument processing. */ | |
103 | ||
104 | SIM_RC | |
105 | sim_post_argv_init (SIM_DESC sd) | |
106 | { | |
107 | int i; | |
108 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
109 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
110 | ||
111 | /* Set the cpu->state backlinks for each cpu. */ | |
112 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
113 | { | |
114 | CPU_STATE (STATE_CPU (sd, i)) = sd; | |
115 | CPU_INDEX (STATE_CPU (sd, i)) = i; | |
116 | } | |
117 | ||
118 | if (sim_module_init (sd) != SIM_RC_OK) | |
119 | return SIM_RC_FAIL; | |
120 | ||
121 | return SIM_RC_OK; | |
122 | } | |
123 | \f | |
124 | /* Install all modules. | |
125 | If this fails, no modules are left installed. */ | |
126 | ||
127 | SIM_RC | |
128 | sim_module_install (SIM_DESC sd) | |
129 | { | |
130 | MODULE_INSTALL_FN * const *modp; | |
131 | ||
132 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
133 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
134 | ||
135 | STATE_MODULES (sd) = ZALLOC (struct module_list); | |
136 | for (modp = modules; *modp != NULL; ++modp) | |
137 | { | |
138 | if ((*modp) (sd) != SIM_RC_OK) | |
139 | { | |
140 | sim_module_uninstall (sd); | |
141 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
142 | return SIM_RC_FAIL; | |
143 | } | |
144 | } | |
145 | return SIM_RC_OK; | |
146 | } | |
147 | ||
148 | /* Called after all modules have been installed and after argv | |
149 | has been processed. */ | |
150 | ||
151 | SIM_RC | |
152 | sim_module_init (SIM_DESC sd) | |
153 | { | |
154 | struct module_list *modules = STATE_MODULES (sd); | |
155 | MODULE_INIT_LIST *modp; | |
156 | ||
157 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
158 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
159 | ||
160 | for (modp = modules->init_list; modp != NULL; modp = modp->next) | |
161 | { | |
162 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
163 | return SIM_RC_FAIL; | |
164 | } | |
165 | return SIM_RC_OK; | |
166 | } | |
167 | ||
168 | /* Called when ever the simulator is resumed */ | |
169 | ||
170 | SIM_RC | |
171 | sim_module_resume (SIM_DESC sd) | |
172 | { | |
173 | struct module_list *modules = STATE_MODULES (sd); | |
174 | MODULE_RESUME_LIST *modp; | |
175 | ||
176 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
177 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
178 | ||
179 | for (modp = modules->resume_list; modp != NULL; modp = modp->next) | |
180 | { | |
181 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
182 | return SIM_RC_FAIL; | |
183 | } | |
184 | return SIM_RC_OK; | |
185 | } | |
186 | ||
187 | /* Called when ever the simulator is suspended */ | |
188 | ||
189 | SIM_RC | |
190 | sim_module_suspend (SIM_DESC sd) | |
191 | { | |
192 | struct module_list *modules = STATE_MODULES (sd); | |
193 | MODULE_SUSPEND_LIST *modp; | |
194 | ||
195 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
196 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
197 | ||
198 | for (modp = modules->suspend_list; modp != NULL; modp = modp->next) | |
199 | { | |
200 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
201 | return SIM_RC_FAIL; | |
202 | } | |
203 | return SIM_RC_OK; | |
204 | } | |
205 | ||
206 | /* Uninstall installed modules, called by sim_close. */ | |
207 | ||
208 | void | |
209 | sim_module_uninstall (SIM_DESC sd) | |
210 | { | |
211 | struct module_list *modules = STATE_MODULES (sd); | |
212 | MODULE_UNINSTALL_LIST *modp; | |
213 | ||
214 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
215 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
216 | ||
217 | /* Uninstall the modules. */ | |
218 | for (modp = modules->uninstall_list; modp != NULL; modp = modp->next) | |
219 | (*modp->fn) (sd); | |
220 | ||
221 | /* clean-up init list */ | |
222 | { | |
223 | MODULE_INIT_LIST *n, *d; | |
224 | for (d = modules->init_list; d != NULL; d = n) | |
225 | { | |
226 | n = d->next; | |
d79fe0d6 | 227 | free (d); |
c906108c SS |
228 | } |
229 | } | |
230 | ||
231 | /* clean-up resume list */ | |
232 | { | |
233 | MODULE_RESUME_LIST *n, *d; | |
234 | for (d = modules->resume_list; d != NULL; d = n) | |
235 | { | |
236 | n = d->next; | |
d79fe0d6 | 237 | free (d); |
c906108c SS |
238 | } |
239 | } | |
240 | ||
241 | /* clean-up suspend list */ | |
242 | { | |
243 | MODULE_SUSPEND_LIST *n, *d; | |
244 | for (d = modules->suspend_list; d != NULL; d = n) | |
245 | { | |
246 | n = d->next; | |
d79fe0d6 | 247 | free (d); |
c906108c SS |
248 | } |
249 | } | |
250 | ||
251 | /* clean-up uninstall list */ | |
252 | { | |
253 | MODULE_UNINSTALL_LIST *n, *d; | |
254 | for (d = modules->uninstall_list; d != NULL; d = n) | |
255 | { | |
256 | n = d->next; | |
d79fe0d6 | 257 | free (d); |
c906108c SS |
258 | } |
259 | } | |
260 | ||
261 | /* clean-up info list */ | |
262 | { | |
263 | MODULE_INFO_LIST *n, *d; | |
264 | for (d = modules->info_list; d != NULL; d = n) | |
265 | { | |
266 | n = d->next; | |
d79fe0d6 | 267 | free (d); |
c906108c SS |
268 | } |
269 | } | |
270 | ||
d79fe0d6 | 271 | free (modules); |
c906108c SS |
272 | STATE_MODULES (sd) = NULL; |
273 | } | |
274 | ||
275 | /* Called when ever simulator info is needed */ | |
276 | ||
277 | void | |
278 | sim_module_info (SIM_DESC sd, int verbose) | |
279 | { | |
280 | struct module_list *modules = STATE_MODULES (sd); | |
281 | MODULE_INFO_LIST *modp; | |
282 | ||
283 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
284 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
285 | ||
286 | for (modp = modules->info_list; modp != NULL; modp = modp->next) | |
287 | { | |
288 | (*modp->fn) (sd, verbose); | |
289 | } | |
290 | } | |
291 | \f | |
292 | /* Add FN to the init handler list. | |
293 | init in the same order as the install. */ | |
294 | ||
295 | void | |
296 | sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn) | |
297 | { | |
298 | struct module_list *modules = STATE_MODULES (sd); | |
299 | MODULE_INIT_LIST *l = ZALLOC (MODULE_INIT_LIST); | |
300 | MODULE_INIT_LIST **last; | |
301 | ||
302 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
303 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
304 | ||
305 | last = &modules->init_list; | |
306 | while (*last != NULL) | |
307 | last = &((*last)->next); | |
308 | ||
309 | l->fn = fn; | |
310 | l->next = NULL; | |
311 | *last = l; | |
312 | } | |
313 | ||
314 | /* Add FN to the resume handler list. | |
315 | resume in the same order as the install. */ | |
316 | ||
317 | void | |
318 | sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn) | |
319 | { | |
320 | struct module_list *modules = STATE_MODULES (sd); | |
321 | MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST); | |
322 | MODULE_RESUME_LIST **last; | |
323 | ||
324 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
325 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
326 | ||
327 | last = &modules->resume_list; | |
328 | while (*last != NULL) | |
329 | last = &((*last)->next); | |
330 | ||
331 | l->fn = fn; | |
332 | l->next = NULL; | |
333 | *last = l; | |
334 | } | |
335 | ||
336 | /* Add FN to the init handler list. | |
337 | suspend in the reverse order to install. */ | |
338 | ||
339 | void | |
340 | sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn) | |
341 | { | |
342 | struct module_list *modules = STATE_MODULES (sd); | |
343 | MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST); | |
344 | MODULE_SUSPEND_LIST **last; | |
345 | ||
346 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
347 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
348 | ||
349 | last = &modules->suspend_list; | |
350 | while (*last != NULL) | |
351 | last = &((*last)->next); | |
352 | ||
353 | l->fn = fn; | |
354 | l->next = modules->suspend_list; | |
355 | modules->suspend_list = l; | |
356 | } | |
357 | ||
358 | /* Add FN to the uninstall handler list. | |
359 | Uninstall in reverse order to install. */ | |
360 | ||
361 | void | |
362 | sim_module_add_uninstall_fn (SIM_DESC sd, MODULE_UNINSTALL_FN fn) | |
363 | { | |
364 | struct module_list *modules = STATE_MODULES (sd); | |
365 | MODULE_UNINSTALL_LIST *l = ZALLOC (MODULE_UNINSTALL_LIST); | |
366 | ||
367 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
368 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
369 | ||
370 | l->fn = fn; | |
371 | l->next = modules->uninstall_list; | |
372 | modules->uninstall_list = l; | |
373 | } | |
374 | ||
375 | /* Add FN to the info handler list. | |
376 | Report info in the same order as the install. */ | |
377 | ||
378 | void | |
379 | sim_module_add_info_fn (SIM_DESC sd, MODULE_INFO_FN fn) | |
380 | { | |
381 | struct module_list *modules = STATE_MODULES (sd); | |
382 | MODULE_INFO_LIST *l = ZALLOC (MODULE_INFO_LIST); | |
383 | MODULE_INFO_LIST **last; | |
384 | ||
385 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
386 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
387 | ||
388 | last = &modules->info_list; | |
389 | while (*last != NULL) | |
390 | last = &((*last)->next); | |
391 | ||
392 | l->fn = fn; | |
393 | l->next = NULL; | |
394 | *last = l; | |
395 | } |