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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, | |
43 | #ifdef SIM_HAVE_MODEL | |
44 | sim_model_install, | |
45 | #endif | |
46 | #if WITH_ENGINE | |
47 | sim_engine_install, | |
48 | #endif | |
bffcfec8 | 49 | #if WITH_TRACE_ANY_P |
c906108c SS |
50 | trace_install, |
51 | #endif | |
52 | #if WITH_PROFILE | |
53 | profile_install, | |
54 | #endif | |
55 | sim_core_install, | |
c906108c | 56 | sim_memopt_install, |
c906108c SS |
57 | #if WITH_WATCHPOINTS |
58 | sim_watchpoint_install, | |
59 | #endif | |
60 | #if WITH_SCACHE | |
61 | scache_install, | |
62 | #endif | |
c906108c SS |
63 | #if WITH_HW |
64 | sim_hw_install, | |
8406bb59 MF |
65 | #endif |
66 | #ifdef HAVE_DV_SOCKSER | |
67 | /* TODO: Shouldn't have device models here. */ | |
68 | dv_sockser_install, | |
c906108c SS |
69 | #endif |
70 | /* Configured in [simulator specific] additional modules. */ | |
71 | #ifdef MODULE_LIST | |
72 | MODULE_LIST | |
73 | #endif | |
74 | 0 | |
75 | }; | |
76 | \f | |
77 | /* Functions called from sim_open. */ | |
78 | ||
79 | /* Initialize common parts before argument processing. */ | |
80 | ||
81 | SIM_RC | |
82 | sim_pre_argv_init (SIM_DESC sd, const char *myname) | |
83 | { | |
84 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
85 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
86 | ||
87 | STATE_MY_NAME (sd) = myname + strlen (myname); | |
88 | while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/') | |
89 | --STATE_MY_NAME (sd); | |
90 | ||
91 | /* Set the cpu names to default values. */ | |
92 | { | |
93 | int i; | |
94 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
95 | { | |
96 | char *name; | |
39a3ae0a MF |
97 | if (asprintf (&name, "cpu%d", i) < 0) |
98 | return SIM_RC_FAIL; | |
c906108c SS |
99 | CPU_NAME (STATE_CPU (sd, i)) = name; |
100 | } | |
101 | } | |
102 | ||
103 | sim_config_default (sd); | |
104 | ||
105 | /* Install all configured in modules. */ | |
106 | if (sim_module_install (sd) != SIM_RC_OK) | |
107 | return SIM_RC_FAIL; | |
108 | ||
109 | return SIM_RC_OK; | |
110 | } | |
111 | ||
112 | /* Initialize common parts after argument processing. */ | |
113 | ||
114 | SIM_RC | |
115 | sim_post_argv_init (SIM_DESC sd) | |
116 | { | |
117 | int i; | |
118 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
119 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
120 | ||
121 | /* Set the cpu->state backlinks for each cpu. */ | |
122 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
123 | { | |
124 | CPU_STATE (STATE_CPU (sd, i)) = sd; | |
125 | CPU_INDEX (STATE_CPU (sd, i)) = i; | |
126 | } | |
127 | ||
128 | if (sim_module_init (sd) != SIM_RC_OK) | |
129 | return SIM_RC_FAIL; | |
130 | ||
131 | return SIM_RC_OK; | |
132 | } | |
133 | \f | |
134 | /* Install all modules. | |
135 | If this fails, no modules are left installed. */ | |
136 | ||
137 | SIM_RC | |
138 | sim_module_install (SIM_DESC sd) | |
139 | { | |
140 | MODULE_INSTALL_FN * const *modp; | |
141 | ||
142 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
143 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
144 | ||
145 | STATE_MODULES (sd) = ZALLOC (struct module_list); | |
146 | for (modp = modules; *modp != NULL; ++modp) | |
147 | { | |
148 | if ((*modp) (sd) != SIM_RC_OK) | |
149 | { | |
150 | sim_module_uninstall (sd); | |
151 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
152 | return SIM_RC_FAIL; | |
153 | } | |
154 | } | |
155 | return SIM_RC_OK; | |
156 | } | |
157 | ||
158 | /* Called after all modules have been installed and after argv | |
159 | has been processed. */ | |
160 | ||
161 | SIM_RC | |
162 | sim_module_init (SIM_DESC sd) | |
163 | { | |
164 | struct module_list *modules = STATE_MODULES (sd); | |
165 | MODULE_INIT_LIST *modp; | |
166 | ||
167 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
168 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
169 | ||
170 | for (modp = modules->init_list; modp != NULL; modp = modp->next) | |
171 | { | |
172 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
173 | return SIM_RC_FAIL; | |
174 | } | |
175 | return SIM_RC_OK; | |
176 | } | |
177 | ||
178 | /* Called when ever the simulator is resumed */ | |
179 | ||
180 | SIM_RC | |
181 | sim_module_resume (SIM_DESC sd) | |
182 | { | |
183 | struct module_list *modules = STATE_MODULES (sd); | |
184 | MODULE_RESUME_LIST *modp; | |
185 | ||
186 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
187 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
188 | ||
189 | for (modp = modules->resume_list; modp != NULL; modp = modp->next) | |
190 | { | |
191 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
192 | return SIM_RC_FAIL; | |
193 | } | |
194 | return SIM_RC_OK; | |
195 | } | |
196 | ||
197 | /* Called when ever the simulator is suspended */ | |
198 | ||
199 | SIM_RC | |
200 | sim_module_suspend (SIM_DESC sd) | |
201 | { | |
202 | struct module_list *modules = STATE_MODULES (sd); | |
203 | MODULE_SUSPEND_LIST *modp; | |
204 | ||
205 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
206 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
207 | ||
208 | for (modp = modules->suspend_list; modp != NULL; modp = modp->next) | |
209 | { | |
210 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
211 | return SIM_RC_FAIL; | |
212 | } | |
213 | return SIM_RC_OK; | |
214 | } | |
215 | ||
216 | /* Uninstall installed modules, called by sim_close. */ | |
217 | ||
218 | void | |
219 | sim_module_uninstall (SIM_DESC sd) | |
220 | { | |
221 | struct module_list *modules = STATE_MODULES (sd); | |
222 | MODULE_UNINSTALL_LIST *modp; | |
223 | ||
224 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
225 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
226 | ||
227 | /* Uninstall the modules. */ | |
228 | for (modp = modules->uninstall_list; modp != NULL; modp = modp->next) | |
229 | (*modp->fn) (sd); | |
230 | ||
231 | /* clean-up init list */ | |
232 | { | |
233 | MODULE_INIT_LIST *n, *d; | |
234 | for (d = modules->init_list; d != NULL; d = n) | |
235 | { | |
236 | n = d->next; | |
d79fe0d6 | 237 | free (d); |
c906108c SS |
238 | } |
239 | } | |
240 | ||
241 | /* clean-up resume list */ | |
242 | { | |
243 | MODULE_RESUME_LIST *n, *d; | |
244 | for (d = modules->resume_list; d != NULL; d = n) | |
245 | { | |
246 | n = d->next; | |
d79fe0d6 | 247 | free (d); |
c906108c SS |
248 | } |
249 | } | |
250 | ||
251 | /* clean-up suspend list */ | |
252 | { | |
253 | MODULE_SUSPEND_LIST *n, *d; | |
254 | for (d = modules->suspend_list; d != NULL; d = n) | |
255 | { | |
256 | n = d->next; | |
d79fe0d6 | 257 | free (d); |
c906108c SS |
258 | } |
259 | } | |
260 | ||
261 | /* clean-up uninstall list */ | |
262 | { | |
263 | MODULE_UNINSTALL_LIST *n, *d; | |
264 | for (d = modules->uninstall_list; d != NULL; d = n) | |
265 | { | |
266 | n = d->next; | |
d79fe0d6 | 267 | free (d); |
c906108c SS |
268 | } |
269 | } | |
270 | ||
271 | /* clean-up info list */ | |
272 | { | |
273 | MODULE_INFO_LIST *n, *d; | |
274 | for (d = modules->info_list; d != NULL; d = n) | |
275 | { | |
276 | n = d->next; | |
d79fe0d6 | 277 | free (d); |
c906108c SS |
278 | } |
279 | } | |
280 | ||
d79fe0d6 | 281 | free (modules); |
c906108c SS |
282 | STATE_MODULES (sd) = NULL; |
283 | } | |
284 | ||
285 | /* Called when ever simulator info is needed */ | |
286 | ||
287 | void | |
288 | sim_module_info (SIM_DESC sd, int verbose) | |
289 | { | |
290 | struct module_list *modules = STATE_MODULES (sd); | |
291 | MODULE_INFO_LIST *modp; | |
292 | ||
293 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
294 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
295 | ||
296 | for (modp = modules->info_list; modp != NULL; modp = modp->next) | |
297 | { | |
298 | (*modp->fn) (sd, verbose); | |
299 | } | |
300 | } | |
301 | \f | |
302 | /* Add FN to the init handler list. | |
303 | init in the same order as the install. */ | |
304 | ||
305 | void | |
306 | sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn) | |
307 | { | |
308 | struct module_list *modules = STATE_MODULES (sd); | |
309 | MODULE_INIT_LIST *l = ZALLOC (MODULE_INIT_LIST); | |
310 | MODULE_INIT_LIST **last; | |
311 | ||
312 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
313 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
314 | ||
315 | last = &modules->init_list; | |
316 | while (*last != NULL) | |
317 | last = &((*last)->next); | |
318 | ||
319 | l->fn = fn; | |
320 | l->next = NULL; | |
321 | *last = l; | |
322 | } | |
323 | ||
324 | /* Add FN to the resume handler list. | |
325 | resume in the same order as the install. */ | |
326 | ||
327 | void | |
328 | sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn) | |
329 | { | |
330 | struct module_list *modules = STATE_MODULES (sd); | |
331 | MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST); | |
332 | MODULE_RESUME_LIST **last; | |
333 | ||
334 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
335 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
336 | ||
337 | last = &modules->resume_list; | |
338 | while (*last != NULL) | |
339 | last = &((*last)->next); | |
340 | ||
341 | l->fn = fn; | |
342 | l->next = NULL; | |
343 | *last = l; | |
344 | } | |
345 | ||
346 | /* Add FN to the init handler list. | |
347 | suspend in the reverse order to install. */ | |
348 | ||
349 | void | |
350 | sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn) | |
351 | { | |
352 | struct module_list *modules = STATE_MODULES (sd); | |
353 | MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST); | |
354 | MODULE_SUSPEND_LIST **last; | |
355 | ||
356 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
357 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
358 | ||
359 | last = &modules->suspend_list; | |
360 | while (*last != NULL) | |
361 | last = &((*last)->next); | |
362 | ||
363 | l->fn = fn; | |
364 | l->next = modules->suspend_list; | |
365 | modules->suspend_list = l; | |
366 | } | |
367 | ||
368 | /* Add FN to the uninstall handler list. | |
369 | Uninstall in reverse order to install. */ | |
370 | ||
371 | void | |
372 | sim_module_add_uninstall_fn (SIM_DESC sd, MODULE_UNINSTALL_FN fn) | |
373 | { | |
374 | struct module_list *modules = STATE_MODULES (sd); | |
375 | MODULE_UNINSTALL_LIST *l = ZALLOC (MODULE_UNINSTALL_LIST); | |
376 | ||
377 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
378 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
379 | ||
380 | l->fn = fn; | |
381 | l->next = modules->uninstall_list; | |
382 | modules->uninstall_list = l; | |
383 | } | |
384 | ||
385 | /* Add FN to the info handler list. | |
386 | Report info in the same order as the install. */ | |
387 | ||
388 | void | |
389 | sim_module_add_info_fn (SIM_DESC sd, MODULE_INFO_FN fn) | |
390 | { | |
391 | struct module_list *modules = STATE_MODULES (sd); | |
392 | MODULE_INFO_LIST *l = ZALLOC (MODULE_INFO_LIST); | |
393 | MODULE_INFO_LIST **last; | |
394 | ||
395 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
396 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
397 | ||
398 | last = &modules->info_list; | |
399 | while (*last != NULL) | |
400 | last = &((*last)->next); | |
401 | ||
402 | l->fn = fn; | |
403 | l->next = NULL; | |
404 | *last = l; | |
405 | } |