Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Module support. |
836cc9f4 | 2 | |
42a4f53d | 3 | Copyright 1996-2019 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 | ||
9950eccb | 77 | STATE_MY_NAME (sd) = lbasename (myname); |
c906108c SS |
78 | |
79 | /* Set the cpu names to default values. */ | |
80 | { | |
81 | int i; | |
82 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
83 | { | |
84 | char *name; | |
39a3ae0a MF |
85 | if (asprintf (&name, "cpu%d", i) < 0) |
86 | return SIM_RC_FAIL; | |
c906108c SS |
87 | CPU_NAME (STATE_CPU (sd, i)) = name; |
88 | } | |
89 | } | |
90 | ||
91 | sim_config_default (sd); | |
92 | ||
93 | /* Install all configured in modules. */ | |
94 | if (sim_module_install (sd) != SIM_RC_OK) | |
95 | return SIM_RC_FAIL; | |
96 | ||
97 | return SIM_RC_OK; | |
98 | } | |
99 | ||
100 | /* Initialize common parts after argument processing. */ | |
101 | ||
102 | SIM_RC | |
103 | sim_post_argv_init (SIM_DESC sd) | |
104 | { | |
105 | int i; | |
106 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
107 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
108 | ||
109 | /* Set the cpu->state backlinks for each cpu. */ | |
110 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
111 | { | |
112 | CPU_STATE (STATE_CPU (sd, i)) = sd; | |
113 | CPU_INDEX (STATE_CPU (sd, i)) = i; | |
114 | } | |
115 | ||
116 | if (sim_module_init (sd) != SIM_RC_OK) | |
117 | return SIM_RC_FAIL; | |
118 | ||
119 | return SIM_RC_OK; | |
120 | } | |
121 | \f | |
122 | /* Install all modules. | |
123 | If this fails, no modules are left installed. */ | |
124 | ||
125 | SIM_RC | |
126 | sim_module_install (SIM_DESC sd) | |
127 | { | |
128 | MODULE_INSTALL_FN * const *modp; | |
129 | ||
130 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
131 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
132 | ||
133 | STATE_MODULES (sd) = ZALLOC (struct module_list); | |
134 | for (modp = modules; *modp != NULL; ++modp) | |
135 | { | |
136 | if ((*modp) (sd) != SIM_RC_OK) | |
137 | { | |
138 | sim_module_uninstall (sd); | |
139 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
140 | return SIM_RC_FAIL; | |
141 | } | |
142 | } | |
143 | return SIM_RC_OK; | |
144 | } | |
145 | ||
146 | /* Called after all modules have been installed and after argv | |
147 | has been processed. */ | |
148 | ||
149 | SIM_RC | |
150 | sim_module_init (SIM_DESC sd) | |
151 | { | |
152 | struct module_list *modules = STATE_MODULES (sd); | |
153 | MODULE_INIT_LIST *modp; | |
154 | ||
155 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
156 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
157 | ||
158 | for (modp = modules->init_list; modp != NULL; modp = modp->next) | |
159 | { | |
160 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
161 | return SIM_RC_FAIL; | |
162 | } | |
163 | return SIM_RC_OK; | |
164 | } | |
165 | ||
166 | /* Called when ever the simulator is resumed */ | |
167 | ||
168 | SIM_RC | |
169 | sim_module_resume (SIM_DESC sd) | |
170 | { | |
171 | struct module_list *modules = STATE_MODULES (sd); | |
172 | MODULE_RESUME_LIST *modp; | |
173 | ||
174 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
175 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
176 | ||
177 | for (modp = modules->resume_list; modp != NULL; modp = modp->next) | |
178 | { | |
179 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
180 | return SIM_RC_FAIL; | |
181 | } | |
182 | return SIM_RC_OK; | |
183 | } | |
184 | ||
185 | /* Called when ever the simulator is suspended */ | |
186 | ||
187 | SIM_RC | |
188 | sim_module_suspend (SIM_DESC sd) | |
189 | { | |
190 | struct module_list *modules = STATE_MODULES (sd); | |
191 | MODULE_SUSPEND_LIST *modp; | |
192 | ||
193 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
194 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
195 | ||
196 | for (modp = modules->suspend_list; modp != NULL; modp = modp->next) | |
197 | { | |
198 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
199 | return SIM_RC_FAIL; | |
200 | } | |
201 | return SIM_RC_OK; | |
202 | } | |
203 | ||
204 | /* Uninstall installed modules, called by sim_close. */ | |
205 | ||
206 | void | |
207 | sim_module_uninstall (SIM_DESC sd) | |
208 | { | |
209 | struct module_list *modules = STATE_MODULES (sd); | |
210 | MODULE_UNINSTALL_LIST *modp; | |
211 | ||
212 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
213 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
214 | ||
215 | /* Uninstall the modules. */ | |
216 | for (modp = modules->uninstall_list; modp != NULL; modp = modp->next) | |
217 | (*modp->fn) (sd); | |
218 | ||
219 | /* clean-up init list */ | |
220 | { | |
221 | MODULE_INIT_LIST *n, *d; | |
222 | for (d = modules->init_list; d != NULL; d = n) | |
223 | { | |
224 | n = d->next; | |
d79fe0d6 | 225 | free (d); |
c906108c SS |
226 | } |
227 | } | |
228 | ||
229 | /* clean-up resume list */ | |
230 | { | |
231 | MODULE_RESUME_LIST *n, *d; | |
232 | for (d = modules->resume_list; d != NULL; d = n) | |
233 | { | |
234 | n = d->next; | |
d79fe0d6 | 235 | free (d); |
c906108c SS |
236 | } |
237 | } | |
238 | ||
239 | /* clean-up suspend list */ | |
240 | { | |
241 | MODULE_SUSPEND_LIST *n, *d; | |
242 | for (d = modules->suspend_list; d != NULL; d = n) | |
243 | { | |
244 | n = d->next; | |
d79fe0d6 | 245 | free (d); |
c906108c SS |
246 | } |
247 | } | |
248 | ||
249 | /* clean-up uninstall list */ | |
250 | { | |
251 | MODULE_UNINSTALL_LIST *n, *d; | |
252 | for (d = modules->uninstall_list; d != NULL; d = n) | |
253 | { | |
254 | n = d->next; | |
d79fe0d6 | 255 | free (d); |
c906108c SS |
256 | } |
257 | } | |
258 | ||
259 | /* clean-up info list */ | |
260 | { | |
261 | MODULE_INFO_LIST *n, *d; | |
262 | for (d = modules->info_list; d != NULL; d = n) | |
263 | { | |
264 | n = d->next; | |
d79fe0d6 | 265 | free (d); |
c906108c SS |
266 | } |
267 | } | |
268 | ||
d79fe0d6 | 269 | free (modules); |
c906108c SS |
270 | STATE_MODULES (sd) = NULL; |
271 | } | |
272 | ||
273 | /* Called when ever simulator info is needed */ | |
274 | ||
275 | void | |
276 | sim_module_info (SIM_DESC sd, int verbose) | |
277 | { | |
278 | struct module_list *modules = STATE_MODULES (sd); | |
279 | MODULE_INFO_LIST *modp; | |
280 | ||
281 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
282 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
283 | ||
284 | for (modp = modules->info_list; modp != NULL; modp = modp->next) | |
285 | { | |
286 | (*modp->fn) (sd, verbose); | |
287 | } | |
288 | } | |
289 | \f | |
290 | /* Add FN to the init handler list. | |
291 | init in the same order as the install. */ | |
292 | ||
293 | void | |
294 | sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn) | |
295 | { | |
296 | struct module_list *modules = STATE_MODULES (sd); | |
297 | MODULE_INIT_LIST *l = ZALLOC (MODULE_INIT_LIST); | |
298 | MODULE_INIT_LIST **last; | |
299 | ||
300 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
301 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
302 | ||
303 | last = &modules->init_list; | |
304 | while (*last != NULL) | |
305 | last = &((*last)->next); | |
306 | ||
307 | l->fn = fn; | |
308 | l->next = NULL; | |
309 | *last = l; | |
310 | } | |
311 | ||
312 | /* Add FN to the resume handler list. | |
313 | resume in the same order as the install. */ | |
314 | ||
315 | void | |
316 | sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn) | |
317 | { | |
318 | struct module_list *modules = STATE_MODULES (sd); | |
319 | MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST); | |
320 | MODULE_RESUME_LIST **last; | |
321 | ||
322 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
323 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
324 | ||
325 | last = &modules->resume_list; | |
326 | while (*last != NULL) | |
327 | last = &((*last)->next); | |
328 | ||
329 | l->fn = fn; | |
330 | l->next = NULL; | |
331 | *last = l; | |
332 | } | |
333 | ||
334 | /* Add FN to the init handler list. | |
335 | suspend in the reverse order to install. */ | |
336 | ||
337 | void | |
338 | sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn) | |
339 | { | |
340 | struct module_list *modules = STATE_MODULES (sd); | |
341 | MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST); | |
342 | MODULE_SUSPEND_LIST **last; | |
343 | ||
344 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
345 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
346 | ||
347 | last = &modules->suspend_list; | |
348 | while (*last != NULL) | |
349 | last = &((*last)->next); | |
350 | ||
351 | l->fn = fn; | |
352 | l->next = modules->suspend_list; | |
353 | modules->suspend_list = l; | |
354 | } | |
355 | ||
356 | /* Add FN to the uninstall handler list. | |
357 | Uninstall in reverse order to install. */ | |
358 | ||
359 | void | |
360 | sim_module_add_uninstall_fn (SIM_DESC sd, MODULE_UNINSTALL_FN fn) | |
361 | { | |
362 | struct module_list *modules = STATE_MODULES (sd); | |
363 | MODULE_UNINSTALL_LIST *l = ZALLOC (MODULE_UNINSTALL_LIST); | |
364 | ||
365 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
366 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
367 | ||
368 | l->fn = fn; | |
369 | l->next = modules->uninstall_list; | |
370 | modules->uninstall_list = l; | |
371 | } | |
372 | ||
373 | /* Add FN to the info handler list. | |
374 | Report info in the same order as the install. */ | |
375 | ||
376 | void | |
377 | sim_module_add_info_fn (SIM_DESC sd, MODULE_INFO_FN fn) | |
378 | { | |
379 | struct module_list *modules = STATE_MODULES (sd); | |
380 | MODULE_INFO_LIST *l = ZALLOC (MODULE_INFO_LIST); | |
381 | MODULE_INFO_LIST **last; | |
382 | ||
383 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
384 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
385 | ||
386 | last = &modules->info_list; | |
387 | while (*last != NULL) | |
388 | last = &((*last)->next); | |
389 | ||
390 | l->fn = fn; | |
391 | l->next = NULL; | |
392 | *last = l; | |
393 | } |