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c906108c SS |
1 | /* Low level interface for debugging Solaris threads for GDB, the GNU debugger. |
2 | Copyright 1996, 1997, 1998 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | /* This module implements a sort of half target that sits between the | |
22 | machine-independent parts of GDB and the /proc interface (procfs.c) to | |
23 | provide access to the Solaris user-mode thread implementation. | |
24 | ||
25 | Solaris threads are true user-mode threads, which are invoked via the thr_* | |
26 | and pthread_* (native and Posix respectivly) interfaces. These are mostly | |
27 | implemented in user-space, with all thread context kept in various | |
28 | structures that live in the user's heap. These should not be confused with | |
29 | lightweight processes (LWPs), which are implemented by the kernel, and | |
30 | scheduled without explicit intervention by the process. | |
31 | ||
32 | Just to confuse things a little, Solaris threads (both native and Posix) are | |
33 | actually implemented using LWPs. In general, there are going to be more | |
34 | threads than LWPs. There is no fixed correspondence between a thread and an | |
35 | LWP. When a thread wants to run, it gets scheduled onto the first available | |
36 | LWP and can therefore migrate from one LWP to another as time goes on. A | |
37 | sleeping thread may not be associated with an LWP at all! | |
38 | ||
39 | To make it possible to mess with threads, Sun provides a library called | |
40 | libthread_db.so.1 (not to be confused with libthread_db.so.0, which doesn't | |
41 | have a published interface). This interface has an upper part, which it | |
42 | provides, and a lower part which I provide. The upper part consists of the | |
43 | td_* routines, which allow me to find all the threads, query their state, | |
44 | etc... The lower part consists of all of the ps_*, which are used by the | |
45 | td_* routines to read/write memory, manipulate LWPs, lookup symbols, etc... | |
46 | The ps_* routines actually do most of their work by calling functions in | |
47 | procfs.c. */ | |
48 | ||
49 | #include "defs.h" | |
50 | #include <thread.h> | |
51 | #include <proc_service.h> | |
52 | #include <thread_db.h> | |
53 | #include "gdbthread.h" | |
54 | #include "target.h" | |
55 | #include "inferior.h" | |
56 | #include <fcntl.h> | |
c906108c SS |
57 | #include <sys/stat.h> |
58 | #include <dlfcn.h> | |
59 | #include "gdbcmd.h" | |
60 | ||
c5aa993b JM |
61 | extern struct target_ops sol_thread_ops; /* Forward declaration */ |
62 | extern struct target_ops sol_core_ops; /* Forward declaration */ | |
c906108c SS |
63 | |
64 | /* place to store core_ops before we overwrite it */ | |
65 | static struct target_ops orig_core_ops; | |
66 | ||
67 | struct target_ops sol_thread_ops; | |
68 | struct target_ops sol_core_ops; | |
69 | ||
70 | extern int procfs_suppress_run; | |
c5aa993b JM |
71 | extern struct target_ops procfs_ops; /* target vector for procfs.c */ |
72 | extern struct target_ops core_ops; /* target vector for corelow.c */ | |
a14ed312 | 73 | extern char *procfs_pid_to_str (int pid); |
c906108c | 74 | |
c60c0f5f MS |
75 | /* Prototypes for supply_gregset etc. */ |
76 | #include "gregset.h" | |
c906108c SS |
77 | |
78 | /* This struct is defined by us, but mainly used for the proc_service interface. | |
79 | We don't have much use for it, except as a handy place to get a real pid | |
80 | for memory accesses. */ | |
81 | ||
82 | struct ps_prochandle | |
c5aa993b JM |
83 | { |
84 | pid_t pid; | |
85 | }; | |
c906108c SS |
86 | |
87 | struct string_map | |
c5aa993b JM |
88 | { |
89 | int num; | |
90 | char *str; | |
91 | }; | |
c906108c SS |
92 | |
93 | static struct ps_prochandle main_ph; | |
94 | static td_thragent_t *main_ta; | |
95 | static int sol_thread_active = 0; | |
96 | ||
a14ed312 KB |
97 | static struct cleanup *save_inferior_pid (void); |
98 | static void restore_inferior_pid (void *pid); | |
99 | static char *td_err_string (td_err_e errcode); | |
100 | static char *td_state_string (td_thr_state_e statecode); | |
101 | static int thread_to_lwp (int thread_id, int default_lwp); | |
102 | static void sol_thread_resume (int pid, int step, enum target_signal signo); | |
103 | static int lwp_to_thread (int lwp); | |
104 | static int sol_thread_alive (int pid); | |
105 | static void sol_core_close (int quitting); | |
106 | ||
107 | static void init_sol_thread_ops (void); | |
108 | static void init_sol_core_ops (void); | |
c906108c | 109 | |
d4f3574e SS |
110 | /* Default definitions: These must be defined in tm.h |
111 | if they are to be shared with a process module such as procfs. */ | |
112 | ||
2f09097b ND |
113 | #define THREAD_FLAG 0x80000000 |
114 | #define is_thread(ARG) (((ARG) & THREAD_FLAG) != 0) | |
115 | #define is_lwp(ARG) (((ARG) & THREAD_FLAG) == 0) | |
116 | #define GET_LWP(PID) TIDGET (PID) | |
117 | #define GET_THREAD(PID) TIDGET (PID) | |
118 | #define BUILD_LWP(TID, PID) MERGEPID (PID, TID) | |
d4f3574e | 119 | |
2f09097b | 120 | #define BUILD_THREAD(TID, PID) (MERGEPID (PID, TID) | THREAD_FLAG) |
c906108c SS |
121 | |
122 | /* Pointers to routines from lithread_db resolved by dlopen() */ | |
123 | ||
e245aa6b MS |
124 | static void (*p_td_log) (const int on_off); |
125 | static td_err_e (*p_td_ta_new) (const struct ps_prochandle * ph_p, | |
126 | td_thragent_t ** ta_pp); | |
127 | static td_err_e (*p_td_ta_delete) (td_thragent_t * ta_p); | |
128 | static td_err_e (*p_td_init) (void); | |
129 | static td_err_e (*p_td_ta_get_ph) (const td_thragent_t * ta_p, | |
130 | struct ps_prochandle ** ph_pp); | |
131 | static td_err_e (*p_td_ta_get_nthreads) (const td_thragent_t * ta_p, | |
132 | int *nthread_p); | |
133 | static td_err_e (*p_td_ta_tsd_iter) (const td_thragent_t * ta_p, | |
134 | td_key_iter_f * cb, | |
135 | void *cbdata_p); | |
136 | static td_err_e (*p_td_ta_thr_iter) (const td_thragent_t * ta_p, | |
137 | td_thr_iter_f * cb, | |
138 | void *cbdata_p, | |
139 | td_thr_state_e state, | |
140 | int ti_pri, | |
141 | sigset_t * ti_sigmask_p, | |
142 | unsigned ti_user_flags); | |
143 | static td_err_e (*p_td_thr_validate) (const td_thrhandle_t * th_p); | |
144 | static td_err_e (*p_td_thr_tsd) (const td_thrhandle_t * th_p, | |
145 | const thread_key_t key, | |
146 | void **data_pp); | |
147 | static td_err_e (*p_td_thr_get_info) (const td_thrhandle_t * th_p, | |
148 | td_thrinfo_t * ti_p); | |
149 | static td_err_e (*p_td_thr_getfpregs) (const td_thrhandle_t * th_p, | |
150 | prfpregset_t * fpregset); | |
151 | static td_err_e (*p_td_thr_getxregsize) (const td_thrhandle_t * th_p, | |
152 | int *xregsize); | |
153 | static td_err_e (*p_td_thr_getxregs) (const td_thrhandle_t * th_p, | |
154 | const caddr_t xregset); | |
155 | static td_err_e (*p_td_thr_sigsetmask) (const td_thrhandle_t * th_p, | |
156 | const sigset_t ti_sigmask); | |
157 | static td_err_e (*p_td_thr_setprio) (const td_thrhandle_t * th_p, | |
158 | const int ti_pri); | |
159 | static td_err_e (*p_td_thr_setsigpending) (const td_thrhandle_t * th_p, | |
160 | const uchar_t ti_pending_flag, | |
161 | const sigset_t ti_pending); | |
162 | static td_err_e (*p_td_thr_setfpregs) (const td_thrhandle_t * th_p, | |
163 | const prfpregset_t * fpregset); | |
164 | static td_err_e (*p_td_thr_setxregs) (const td_thrhandle_t * th_p, | |
165 | const caddr_t xregset); | |
166 | static td_err_e (*p_td_ta_map_id2thr) (const td_thragent_t * ta_p, | |
167 | thread_t tid, | |
168 | td_thrhandle_t * th_p); | |
169 | static td_err_e (*p_td_ta_map_lwp2thr) (const td_thragent_t * ta_p, | |
170 | lwpid_t lwpid, | |
171 | td_thrhandle_t * th_p); | |
172 | static td_err_e (*p_td_thr_getgregs) (const td_thrhandle_t * th_p, | |
173 | prgregset_t regset); | |
174 | static td_err_e (*p_td_thr_setgregs) (const td_thrhandle_t * th_p, | |
175 | const prgregset_t regset); | |
176 | ||
c906108c SS |
177 | /* |
178 | ||
c5aa993b | 179 | LOCAL FUNCTION |
c906108c | 180 | |
c5aa993b | 181 | td_err_string - Convert a thread_db error code to a string |
c906108c | 182 | |
c5aa993b | 183 | SYNOPSIS |
c906108c | 184 | |
c5aa993b | 185 | char * td_err_string (errcode) |
c906108c | 186 | |
c5aa993b | 187 | DESCRIPTION |
c906108c | 188 | |
c5aa993b JM |
189 | Return the thread_db error string associated with errcode. If errcode |
190 | is unknown, then return a message. | |
c906108c SS |
191 | |
192 | */ | |
193 | ||
194 | static char * | |
fba45db2 | 195 | td_err_string (td_err_e errcode) |
c906108c SS |
196 | { |
197 | static struct string_map | |
c5aa993b JM |
198 | td_err_table[] = |
199 | { | |
200 | {TD_OK, "generic \"call succeeded\""}, | |
201 | {TD_ERR, "generic error."}, | |
202 | {TD_NOTHR, "no thread can be found to satisfy query"}, | |
203 | {TD_NOSV, "no synch. variable can be found to satisfy query"}, | |
204 | {TD_NOLWP, "no lwp can be found to satisfy query"}, | |
205 | {TD_BADPH, "invalid process handle"}, | |
206 | {TD_BADTH, "invalid thread handle"}, | |
207 | {TD_BADSH, "invalid synchronization handle"}, | |
208 | {TD_BADTA, "invalid thread agent"}, | |
209 | {TD_BADKEY, "invalid key"}, | |
210 | {TD_NOMSG, "td_thr_event_getmsg() called when there was no message"}, | |
211 | {TD_NOFPREGS, "FPU register set not available for given thread"}, | |
212 | {TD_NOLIBTHREAD, "application not linked with libthread"}, | |
213 | {TD_NOEVENT, "requested event is not supported"}, | |
214 | {TD_NOCAPAB, "capability not available"}, | |
215 | {TD_DBERR, "Debugger service failed"}, | |
216 | {TD_NOAPLIC, "Operation not applicable to"}, | |
217 | {TD_NOTSD, "No thread specific data for this thread"}, | |
218 | {TD_MALLOC, "Malloc failed"}, | |
219 | {TD_PARTIALREG, "Only part of register set was writen/read"}, | |
220 | {TD_NOXREGS, "X register set not available for given thread"} | |
221 | }; | |
c906108c SS |
222 | const int td_err_size = sizeof td_err_table / sizeof (struct string_map); |
223 | int i; | |
224 | static char buf[50]; | |
225 | ||
226 | for (i = 0; i < td_err_size; i++) | |
227 | if (td_err_table[i].num == errcode) | |
228 | return td_err_table[i].str; | |
c5aa993b | 229 | |
c906108c SS |
230 | sprintf (buf, "Unknown thread_db error code: %d", errcode); |
231 | ||
232 | return buf; | |
233 | } | |
234 | \f | |
235 | /* | |
236 | ||
c5aa993b | 237 | LOCAL FUNCTION |
c906108c | 238 | |
c5aa993b | 239 | td_state_string - Convert a thread_db state code to a string |
c906108c | 240 | |
c5aa993b | 241 | SYNOPSIS |
c906108c | 242 | |
c5aa993b | 243 | char * td_state_string (statecode) |
c906108c | 244 | |
c5aa993b | 245 | DESCRIPTION |
c906108c | 246 | |
c5aa993b JM |
247 | Return the thread_db state string associated with statecode. If |
248 | statecode is unknown, then return a message. | |
c906108c SS |
249 | |
250 | */ | |
251 | ||
252 | static char * | |
fba45db2 | 253 | td_state_string (td_thr_state_e statecode) |
c906108c SS |
254 | { |
255 | static struct string_map | |
c5aa993b JM |
256 | td_thr_state_table[] = |
257 | { | |
258 | {TD_THR_ANY_STATE, "any state"}, | |
259 | {TD_THR_UNKNOWN, "unknown"}, | |
260 | {TD_THR_STOPPED, "stopped"}, | |
261 | {TD_THR_RUN, "run"}, | |
262 | {TD_THR_ACTIVE, "active"}, | |
263 | {TD_THR_ZOMBIE, "zombie"}, | |
264 | {TD_THR_SLEEP, "sleep"}, | |
265 | {TD_THR_STOPPED_ASLEEP, "stopped asleep"} | |
266 | }; | |
c906108c SS |
267 | const int td_thr_state_table_size = sizeof td_thr_state_table / sizeof (struct string_map); |
268 | int i; | |
269 | static char buf[50]; | |
270 | ||
271 | for (i = 0; i < td_thr_state_table_size; i++) | |
272 | if (td_thr_state_table[i].num == statecode) | |
273 | return td_thr_state_table[i].str; | |
c5aa993b | 274 | |
c906108c SS |
275 | sprintf (buf, "Unknown thread_db state code: %d", statecode); |
276 | ||
277 | return buf; | |
278 | } | |
279 | \f | |
280 | /* | |
281 | ||
c5aa993b | 282 | LOCAL FUNCTION |
c906108c | 283 | |
c5aa993b | 284 | thread_to_lwp - Convert a Posix or Solaris thread id to a LWP id. |
c906108c | 285 | |
c5aa993b | 286 | SYNOPSIS |
c906108c | 287 | |
c5aa993b | 288 | int thread_to_lwp (thread_id, default_lwp) |
c906108c | 289 | |
c5aa993b | 290 | DESCRIPTION |
c906108c | 291 | |
c5aa993b JM |
292 | This function converts a Posix or Solaris thread id to a lightweight |
293 | process id. If thread_id is non-existent, that's an error. If it's | |
294 | an inactive thread, then we return default_lwp. | |
c906108c | 295 | |
c5aa993b | 296 | NOTES |
c906108c | 297 | |
c5aa993b | 298 | This function probably shouldn't call error()... |
c906108c SS |
299 | |
300 | */ | |
301 | ||
302 | static int | |
fba45db2 | 303 | thread_to_lwp (int thread_id, int default_lwp) |
c906108c SS |
304 | { |
305 | td_thrinfo_t ti; | |
306 | td_thrhandle_t th; | |
307 | td_err_e val; | |
308 | ||
309 | if (is_lwp (thread_id)) | |
c5aa993b | 310 | return thread_id; /* It's already an LWP id */ |
c906108c SS |
311 | |
312 | /* It's a thread. Convert to lwp */ | |
313 | ||
314 | val = p_td_ta_map_id2thr (main_ta, GET_THREAD (thread_id), &th); | |
315 | if (val == TD_NOTHR) | |
c5aa993b | 316 | return -1; /* thread must have terminated */ |
c906108c SS |
317 | else if (val != TD_OK) |
318 | error ("thread_to_lwp: td_ta_map_id2thr %s", td_err_string (val)); | |
319 | ||
320 | val = p_td_thr_get_info (&th, &ti); | |
321 | if (val == TD_NOTHR) | |
c5aa993b | 322 | return -1; /* thread must have terminated */ |
c906108c SS |
323 | else if (val != TD_OK) |
324 | error ("thread_to_lwp: td_thr_get_info: %s", td_err_string (val)); | |
325 | ||
326 | if (ti.ti_state != TD_THR_ACTIVE) | |
327 | { | |
328 | if (default_lwp != -1) | |
329 | return default_lwp; | |
330 | error ("thread_to_lwp: thread state not active: %s", | |
331 | td_state_string (ti.ti_state)); | |
332 | } | |
333 | ||
334 | return BUILD_LWP (ti.ti_lid, PIDGET (thread_id)); | |
335 | } | |
336 | \f | |
337 | /* | |
338 | ||
c5aa993b | 339 | LOCAL FUNCTION |
c906108c | 340 | |
c5aa993b | 341 | lwp_to_thread - Convert a LWP id to a Posix or Solaris thread id. |
c906108c | 342 | |
c5aa993b | 343 | SYNOPSIS |
c906108c | 344 | |
c5aa993b | 345 | int lwp_to_thread (lwp_id) |
c906108c | 346 | |
c5aa993b | 347 | DESCRIPTION |
c906108c | 348 | |
c5aa993b JM |
349 | This function converts a lightweight process id to a Posix or Solaris |
350 | thread id. If thread_id is non-existent, that's an error. | |
c906108c | 351 | |
c5aa993b | 352 | NOTES |
c906108c | 353 | |
c5aa993b | 354 | This function probably shouldn't call error()... |
c906108c SS |
355 | |
356 | */ | |
357 | ||
358 | static int | |
fba45db2 | 359 | lwp_to_thread (int lwp) |
c906108c SS |
360 | { |
361 | td_thrinfo_t ti; | |
362 | td_thrhandle_t th; | |
363 | td_err_e val; | |
364 | ||
365 | if (is_thread (lwp)) | |
366 | return lwp; /* It's already a thread id */ | |
367 | ||
368 | /* It's an lwp. Convert it to a thread id. */ | |
369 | ||
370 | if (!sol_thread_alive (lwp)) | |
371 | return -1; /* defunct lwp */ | |
372 | ||
373 | val = p_td_ta_map_lwp2thr (main_ta, GET_LWP (lwp), &th); | |
374 | if (val == TD_NOTHR) | |
c5aa993b | 375 | return -1; /* thread must have terminated */ |
c906108c SS |
376 | else if (val != TD_OK) |
377 | error ("lwp_to_thread: td_ta_map_lwp2thr: %s.", td_err_string (val)); | |
378 | ||
379 | val = p_td_thr_validate (&th); | |
380 | if (val == TD_NOTHR) | |
e245aa6b MS |
381 | return lwp; /* libthread doesn't know about it; |
382 | just return lwp */ | |
c906108c SS |
383 | else if (val != TD_OK) |
384 | error ("lwp_to_thread: td_thr_validate: %s.", td_err_string (val)); | |
385 | ||
386 | val = p_td_thr_get_info (&th, &ti); | |
387 | if (val == TD_NOTHR) | |
c5aa993b | 388 | return -1; /* thread must have terminated */ |
c906108c SS |
389 | else if (val != TD_OK) |
390 | error ("lwp_to_thread: td_thr_get_info: %s.", td_err_string (val)); | |
391 | ||
392 | return BUILD_THREAD (ti.ti_tid, PIDGET (lwp)); | |
393 | } | |
394 | \f | |
395 | /* | |
396 | ||
c5aa993b | 397 | LOCAL FUNCTION |
c906108c | 398 | |
c5aa993b JM |
399 | save_inferior_pid - Save inferior_pid on the cleanup list |
400 | restore_inferior_pid - Restore inferior_pid from the cleanup list | |
c906108c | 401 | |
c5aa993b | 402 | SYNOPSIS |
c906108c | 403 | |
c5aa993b JM |
404 | struct cleanup *save_inferior_pid () |
405 | void restore_inferior_pid (int pid) | |
c906108c | 406 | |
c5aa993b | 407 | DESCRIPTION |
c906108c | 408 | |
c5aa993b JM |
409 | These two functions act in unison to restore inferior_pid in |
410 | case of an error. | |
c906108c | 411 | |
c5aa993b | 412 | NOTES |
c906108c | 413 | |
c5aa993b JM |
414 | inferior_pid is a global variable that needs to be changed by many of |
415 | these routines before calling functions in procfs.c. In order to | |
416 | guarantee that inferior_pid gets restored (in case of errors), you | |
417 | need to call save_inferior_pid before changing it. At the end of the | |
418 | function, you should invoke do_cleanups to restore it. | |
c906108c SS |
419 | |
420 | */ | |
421 | ||
422 | ||
423 | static struct cleanup * | |
fba45db2 | 424 | save_inferior_pid (void) |
c906108c | 425 | { |
c5aa993b | 426 | return make_cleanup (restore_inferior_pid, (void *) inferior_pid); |
c906108c SS |
427 | } |
428 | ||
429 | static void | |
fba45db2 | 430 | restore_inferior_pid (void *pid) |
c906108c | 431 | { |
7a292a7a | 432 | inferior_pid = (int) pid; |
c906108c SS |
433 | } |
434 | \f | |
435 | ||
436 | /* Most target vector functions from here on actually just pass through to | |
437 | procfs.c, as they don't need to do anything specific for threads. */ | |
438 | ||
439 | ||
440 | /* ARGSUSED */ | |
441 | static void | |
fba45db2 | 442 | sol_thread_open (char *arg, int from_tty) |
c906108c SS |
443 | { |
444 | procfs_ops.to_open (arg, from_tty); | |
445 | } | |
446 | ||
447 | /* Attach to process PID, then initialize for debugging it | |
448 | and wait for the trace-trap that results from attaching. */ | |
449 | ||
450 | static void | |
fba45db2 | 451 | sol_thread_attach (char *args, int from_tty) |
c906108c SS |
452 | { |
453 | procfs_ops.to_attach (args, from_tty); | |
454 | /* Must get symbols from solibs before libthread_db can run! */ | |
c5aa993b | 455 | SOLIB_ADD ((char *) 0, from_tty, (struct target_ops *) 0); |
c906108c SS |
456 | if (sol_thread_active) |
457 | { | |
458 | printf_filtered ("sol-thread active.\n"); | |
c5aa993b | 459 | main_ph.pid = inferior_pid; /* Save for xfer_memory */ |
c906108c SS |
460 | push_target (&sol_thread_ops); |
461 | inferior_pid = lwp_to_thread (inferior_pid); | |
462 | if (inferior_pid == -1) | |
463 | inferior_pid = main_ph.pid; | |
464 | else | |
465 | add_thread (inferior_pid); | |
466 | } | |
467 | /* XXX - might want to iterate over all the threads and register them. */ | |
468 | } | |
469 | ||
470 | /* Take a program previously attached to and detaches it. | |
471 | The program resumes execution and will no longer stop | |
472 | on signals, etc. We'd better not have left any breakpoints | |
473 | in the program or it'll die when it hits one. For this | |
474 | to work, it may be necessary for the process to have been | |
475 | previously attached. It *might* work if the program was | |
476 | started via the normal ptrace (PTRACE_TRACEME). */ | |
477 | ||
478 | static void | |
fba45db2 | 479 | sol_thread_detach (char *args, int from_tty) |
c906108c | 480 | { |
d4f3574e | 481 | inferior_pid = PIDGET (main_ph.pid); |
c906108c SS |
482 | unpush_target (&sol_thread_ops); |
483 | procfs_ops.to_detach (args, from_tty); | |
484 | } | |
485 | ||
486 | /* Resume execution of process PID. If STEP is nozero, then | |
487 | just single step it. If SIGNAL is nonzero, restart it with that | |
488 | signal activated. We may have to convert pid from a thread-id to an LWP id | |
489 | for procfs. */ | |
490 | ||
491 | static void | |
fba45db2 | 492 | sol_thread_resume (int pid, int step, enum target_signal signo) |
c906108c SS |
493 | { |
494 | struct cleanup *old_chain; | |
495 | ||
496 | old_chain = save_inferior_pid (); | |
497 | ||
498 | inferior_pid = thread_to_lwp (inferior_pid, main_ph.pid); | |
499 | if (inferior_pid == -1) | |
500 | inferior_pid = procfs_first_available (); | |
501 | ||
502 | if (pid != -1) | |
503 | { | |
504 | int save_pid = pid; | |
505 | ||
506 | pid = thread_to_lwp (pid, -2); | |
507 | if (pid == -2) /* Inactive thread */ | |
508 | error ("This version of Solaris can't start inactive threads."); | |
509 | if (info_verbose && pid == -1) | |
c5aa993b | 510 | warning ("Specified thread %d seems to have terminated", |
c906108c SS |
511 | GET_THREAD (save_pid)); |
512 | } | |
513 | ||
514 | procfs_ops.to_resume (pid, step, signo); | |
515 | ||
516 | do_cleanups (old_chain); | |
517 | } | |
518 | ||
519 | /* Wait for any threads to stop. We may have to convert PID from a thread id | |
520 | to a LWP id, and vice versa on the way out. */ | |
521 | ||
522 | static int | |
fba45db2 | 523 | sol_thread_wait (int pid, struct target_waitstatus *ourstatus) |
c906108c SS |
524 | { |
525 | int rtnval; | |
526 | int save_pid; | |
527 | struct cleanup *old_chain; | |
528 | ||
529 | save_pid = inferior_pid; | |
530 | old_chain = save_inferior_pid (); | |
531 | ||
532 | inferior_pid = thread_to_lwp (inferior_pid, main_ph.pid); | |
533 | if (inferior_pid == -1) | |
534 | inferior_pid = procfs_first_available (); | |
535 | ||
536 | if (pid != -1) | |
537 | { | |
538 | int save_pid = pid; | |
539 | ||
540 | pid = thread_to_lwp (pid, -2); | |
541 | if (pid == -2) /* Inactive thread */ | |
542 | error ("This version of Solaris can't start inactive threads."); | |
543 | if (info_verbose && pid == -1) | |
c5aa993b | 544 | warning ("Specified thread %d seems to have terminated", |
c906108c SS |
545 | GET_THREAD (save_pid)); |
546 | } | |
547 | ||
548 | rtnval = procfs_ops.to_wait (pid, ourstatus); | |
549 | ||
550 | if (ourstatus->kind != TARGET_WAITKIND_EXITED) | |
551 | { | |
552 | /* Map the LWP of interest back to the appropriate thread ID */ | |
553 | rtnval = lwp_to_thread (rtnval); | |
554 | if (rtnval == -1) | |
555 | rtnval = save_pid; | |
556 | ||
557 | /* See if we have a new thread */ | |
558 | if (is_thread (rtnval) | |
559 | && rtnval != save_pid | |
560 | && !in_thread_list (rtnval)) | |
561 | { | |
562 | printf_filtered ("[New %s]\n", target_pid_to_str (rtnval)); | |
563 | add_thread (rtnval); | |
564 | } | |
565 | } | |
566 | ||
567 | /* During process initialization, we may get here without the thread package | |
568 | being initialized, since that can only happen after we've found the shared | |
569 | libs. */ | |
570 | ||
571 | do_cleanups (old_chain); | |
572 | ||
573 | return rtnval; | |
574 | } | |
575 | ||
576 | static void | |
fba45db2 | 577 | sol_thread_fetch_registers (int regno) |
c906108c SS |
578 | { |
579 | thread_t thread; | |
580 | td_thrhandle_t thandle; | |
581 | td_err_e val; | |
582 | prgregset_t gregset; | |
583 | prfpregset_t fpregset; | |
584 | #if 0 | |
585 | int xregsize; | |
586 | caddr_t xregset; | |
587 | #endif | |
588 | ||
589 | if (!is_thread (inferior_pid)) | |
c5aa993b | 590 | { /* LWP: pass the request on to procfs.c */ |
c906108c SS |
591 | if (target_has_execution) |
592 | procfs_ops.to_fetch_registers (regno); | |
593 | else | |
594 | orig_core_ops.to_fetch_registers (regno); | |
595 | return; | |
596 | } | |
597 | ||
598 | /* Solaris thread: convert inferior_pid into a td_thrhandle_t */ | |
599 | ||
600 | thread = GET_THREAD (inferior_pid); | |
601 | ||
602 | if (thread == 0) | |
603 | error ("sol_thread_fetch_registers: thread == 0"); | |
604 | ||
605 | val = p_td_ta_map_id2thr (main_ta, thread, &thandle); | |
606 | if (val != TD_OK) | |
607 | error ("sol_thread_fetch_registers: td_ta_map_id2thr: %s", | |
608 | td_err_string (val)); | |
609 | ||
610 | /* Get the integer regs */ | |
611 | ||
612 | val = p_td_thr_getgregs (&thandle, gregset); | |
613 | if (val != TD_OK | |
614 | && val != TD_PARTIALREG) | |
615 | error ("sol_thread_fetch_registers: td_thr_getgregs %s", | |
616 | td_err_string (val)); | |
617 | ||
618 | /* For the sparc, TD_PARTIALREG means that only i0->i7, l0->l7, pc and sp | |
619 | are saved (by a thread context switch). */ | |
620 | ||
621 | /* And, now the fp regs */ | |
622 | ||
623 | val = p_td_thr_getfpregs (&thandle, &fpregset); | |
624 | if (val != TD_OK | |
625 | && val != TD_NOFPREGS) | |
626 | error ("sol_thread_fetch_registers: td_thr_getfpregs %s", | |
627 | td_err_string (val)); | |
628 | ||
629 | /* Note that we must call supply_{g fp}regset *after* calling the td routines | |
630 | because the td routines call ps_lget* which affect the values stored in the | |
631 | registers array. */ | |
632 | ||
c60c0f5f MS |
633 | supply_gregset ((gdb_gregset_t *) &gregset); |
634 | supply_fpregset ((gdb_fpregset_t *) &fpregset); | |
c906108c SS |
635 | |
636 | #if 0 | |
637 | /* thread_db doesn't seem to handle this right */ | |
638 | val = td_thr_getxregsize (&thandle, &xregsize); | |
639 | if (val != TD_OK && val != TD_NOXREGS) | |
640 | error ("sol_thread_fetch_registers: td_thr_getxregsize %s", | |
641 | td_err_string (val)); | |
642 | ||
643 | if (val == TD_OK) | |
644 | { | |
645 | xregset = alloca (xregsize); | |
646 | val = td_thr_getxregs (&thandle, xregset); | |
647 | if (val != TD_OK) | |
648 | error ("sol_thread_fetch_registers: td_thr_getxregs %s", | |
649 | td_err_string (val)); | |
650 | } | |
651 | #endif | |
652 | } | |
653 | ||
654 | static void | |
fba45db2 | 655 | sol_thread_store_registers (int regno) |
c906108c SS |
656 | { |
657 | thread_t thread; | |
658 | td_thrhandle_t thandle; | |
659 | td_err_e val; | |
c60c0f5f | 660 | prgregset_t gregset; |
c906108c SS |
661 | prfpregset_t fpregset; |
662 | #if 0 | |
663 | int xregsize; | |
664 | caddr_t xregset; | |
665 | #endif | |
666 | ||
667 | if (!is_thread (inferior_pid)) | |
c5aa993b | 668 | { /* LWP: pass the request on to procfs.c */ |
c906108c SS |
669 | procfs_ops.to_store_registers (regno); |
670 | return; | |
671 | } | |
672 | ||
673 | /* Solaris thread: convert inferior_pid into a td_thrhandle_t */ | |
674 | ||
675 | thread = GET_THREAD (inferior_pid); | |
676 | ||
677 | val = p_td_ta_map_id2thr (main_ta, thread, &thandle); | |
678 | if (val != TD_OK) | |
679 | error ("sol_thread_store_registers: td_ta_map_id2thr %s", | |
680 | td_err_string (val)); | |
681 | ||
682 | if (regno != -1) | |
683 | { /* Not writing all the regs */ | |
684 | /* save new register value */ | |
685 | char old_value[REGISTER_SIZE]; | |
c5aa993b | 686 | memcpy (old_value, ®isters[REGISTER_BYTE (regno)], REGISTER_SIZE); |
c906108c | 687 | |
c60c0f5f | 688 | val = p_td_thr_getgregs (&thandle, gregset); |
c906108c SS |
689 | if (val != TD_OK) |
690 | error ("sol_thread_store_registers: td_thr_getgregs %s", | |
691 | td_err_string (val)); | |
692 | val = p_td_thr_getfpregs (&thandle, &fpregset); | |
693 | if (val != TD_OK) | |
694 | error ("sol_thread_store_registers: td_thr_getfpregs %s", | |
695 | td_err_string (val)); | |
696 | ||
697 | /* restore new register value */ | |
c5aa993b | 698 | memcpy (®isters[REGISTER_BYTE (regno)], old_value, REGISTER_SIZE); |
c906108c SS |
699 | |
700 | #if 0 | |
701 | /* thread_db doesn't seem to handle this right */ | |
702 | val = td_thr_getxregsize (&thandle, &xregsize); | |
703 | if (val != TD_OK && val != TD_NOXREGS) | |
704 | error ("sol_thread_store_registers: td_thr_getxregsize %s", | |
705 | td_err_string (val)); | |
706 | ||
707 | if (val == TD_OK) | |
708 | { | |
709 | xregset = alloca (xregsize); | |
710 | val = td_thr_getxregs (&thandle, xregset); | |
711 | if (val != TD_OK) | |
712 | error ("sol_thread_store_registers: td_thr_getxregs %s", | |
713 | td_err_string (val)); | |
714 | } | |
715 | #endif | |
716 | } | |
717 | ||
c60c0f5f MS |
718 | fill_gregset ((gdb_gregset_t *) &gregset, regno); |
719 | fill_fpregset ((gdb_fpregset_t *) &fpregset, regno); | |
c906108c | 720 | |
c60c0f5f | 721 | val = p_td_thr_setgregs (&thandle, gregset); |
c906108c SS |
722 | if (val != TD_OK) |
723 | error ("sol_thread_store_registers: td_thr_setgregs %s", | |
724 | td_err_string (val)); | |
725 | val = p_td_thr_setfpregs (&thandle, &fpregset); | |
726 | if (val != TD_OK) | |
727 | error ("sol_thread_store_registers: td_thr_setfpregs %s", | |
728 | td_err_string (val)); | |
729 | ||
730 | #if 0 | |
731 | /* thread_db doesn't seem to handle this right */ | |
732 | val = td_thr_getxregsize (&thandle, &xregsize); | |
733 | if (val != TD_OK && val != TD_NOXREGS) | |
734 | error ("sol_thread_store_registers: td_thr_getxregsize %s", | |
735 | td_err_string (val)); | |
736 | ||
737 | /* Should probably do something about writing the xregs here, but what are | |
738 | they? */ | |
739 | #endif | |
740 | } | |
741 | ||
742 | /* Get ready to modify the registers array. On machines which store | |
743 | individual registers, this doesn't need to do anything. On machines | |
744 | which store all the registers in one fell swoop, this makes sure | |
745 | that registers contains all the registers from the program being | |
746 | debugged. */ | |
747 | ||
748 | static void | |
fba45db2 | 749 | sol_thread_prepare_to_store (void) |
c906108c SS |
750 | { |
751 | procfs_ops.to_prepare_to_store (); | |
752 | } | |
753 | ||
754 | static int | |
755 | sol_thread_xfer_memory (memaddr, myaddr, len, dowrite, target) | |
756 | CORE_ADDR memaddr; | |
757 | char *myaddr; | |
758 | int len; | |
759 | int dowrite; | |
c5aa993b | 760 | struct target_ops *target; /* ignored */ |
c906108c SS |
761 | { |
762 | int retval; | |
763 | struct cleanup *old_chain; | |
764 | ||
765 | old_chain = save_inferior_pid (); | |
766 | ||
c5aa993b | 767 | if (is_thread (inferior_pid) || /* A thread */ |
c906108c SS |
768 | !target_thread_alive (inferior_pid)) /* An lwp, but not alive */ |
769 | inferior_pid = procfs_first_available (); /* Find any live lwp. */ | |
770 | /* Note: don't need to call switch_to_thread; we're just reading memory. */ | |
771 | ||
772 | if (target_has_execution) | |
773 | retval = procfs_ops.to_xfer_memory (memaddr, myaddr, len, dowrite, target); | |
774 | else | |
775 | retval = orig_core_ops.to_xfer_memory (memaddr, myaddr, len, | |
776 | dowrite, target); | |
777 | ||
778 | do_cleanups (old_chain); | |
779 | ||
780 | return retval; | |
781 | } | |
782 | ||
783 | /* Print status information about what we're accessing. */ | |
784 | ||
785 | static void | |
fba45db2 | 786 | sol_thread_files_info (struct target_ops *ignore) |
c906108c SS |
787 | { |
788 | procfs_ops.to_files_info (ignore); | |
789 | } | |
790 | ||
791 | static void | |
fba45db2 | 792 | sol_thread_kill_inferior (void) |
c906108c SS |
793 | { |
794 | procfs_ops.to_kill (); | |
795 | } | |
796 | ||
797 | static void | |
fba45db2 | 798 | sol_thread_notice_signals (int pid) |
c906108c SS |
799 | { |
800 | procfs_ops.to_notice_signals (PIDGET (pid)); | |
801 | } | |
802 | ||
803 | /* Fork an inferior process, and start debugging it with /proc. */ | |
804 | ||
805 | static void | |
fba45db2 | 806 | sol_thread_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
807 | { |
808 | procfs_ops.to_create_inferior (exec_file, allargs, env); | |
809 | ||
810 | if (sol_thread_active && inferior_pid != 0) | |
811 | { | |
c5aa993b | 812 | main_ph.pid = inferior_pid; /* Save for xfer_memory */ |
c906108c SS |
813 | |
814 | push_target (&sol_thread_ops); | |
815 | ||
816 | inferior_pid = lwp_to_thread (inferior_pid); | |
817 | if (inferior_pid == -1) | |
818 | inferior_pid = main_ph.pid; | |
819 | ||
e245aa6b MS |
820 | if (!in_thread_list (inferior_pid)) |
821 | add_thread (inferior_pid); | |
c906108c SS |
822 | } |
823 | } | |
824 | ||
825 | /* This routine is called whenever a new symbol table is read in, or when all | |
826 | symbol tables are removed. libthread_db can only be initialized when it | |
827 | finds the right variables in libthread.so. Since it's a shared library, | |
828 | those variables don't show up until the library gets mapped and the symbol | |
829 | table is read in. */ | |
830 | ||
11cf8741 JM |
831 | /* This new_objfile event is now managed by a chained function pointer. |
832 | * It is the callee's responsability to call the next client on the chain. | |
833 | */ | |
834 | ||
835 | /* Saved pointer to previous owner of the new_objfile event. */ | |
507f3c78 | 836 | static void (*target_new_objfile_chain) (struct objfile *); |
11cf8741 | 837 | |
c906108c | 838 | void |
fba45db2 | 839 | sol_thread_new_objfile (struct objfile *objfile) |
c906108c SS |
840 | { |
841 | td_err_e val; | |
842 | ||
843 | if (!objfile) | |
844 | { | |
845 | sol_thread_active = 0; | |
11cf8741 | 846 | goto quit; |
c906108c SS |
847 | } |
848 | ||
849 | /* don't do anything if init failed to resolve the libthread_db library */ | |
850 | if (!procfs_suppress_run) | |
11cf8741 | 851 | goto quit; |
c906108c SS |
852 | |
853 | /* Now, initialize the thread debugging library. This needs to be done after | |
854 | the shared libraries are located because it needs information from the | |
855 | user's thread library. */ | |
856 | ||
857 | val = p_td_init (); | |
858 | if (val != TD_OK) | |
11cf8741 JM |
859 | { |
860 | warning ("sol_thread_new_objfile: td_init: %s", td_err_string (val)); | |
861 | goto quit; | |
862 | } | |
c906108c SS |
863 | |
864 | val = p_td_ta_new (&main_ph, &main_ta); | |
865 | if (val == TD_NOLIBTHREAD) | |
11cf8741 | 866 | goto quit; |
c906108c | 867 | else if (val != TD_OK) |
11cf8741 JM |
868 | { |
869 | warning ("sol_thread_new_objfile: td_ta_new: %s", td_err_string (val)); | |
870 | goto quit; | |
871 | } | |
c906108c SS |
872 | |
873 | sol_thread_active = 1; | |
11cf8741 JM |
874 | quit: |
875 | /* Call predecessor on chain, if any. */ | |
876 | if (target_new_objfile_chain) | |
877 | target_new_objfile_chain (objfile); | |
c906108c SS |
878 | } |
879 | ||
880 | /* Clean up after the inferior dies. */ | |
881 | ||
882 | static void | |
fba45db2 | 883 | sol_thread_mourn_inferior (void) |
c906108c SS |
884 | { |
885 | unpush_target (&sol_thread_ops); | |
886 | procfs_ops.to_mourn_inferior (); | |
887 | } | |
888 | ||
889 | /* Mark our target-struct as eligible for stray "run" and "attach" commands. */ | |
890 | ||
891 | static int | |
fba45db2 | 892 | sol_thread_can_run (void) |
c906108c SS |
893 | { |
894 | return procfs_suppress_run; | |
895 | } | |
896 | ||
897 | /* | |
898 | ||
c5aa993b | 899 | LOCAL FUNCTION |
c906108c | 900 | |
c5aa993b | 901 | sol_thread_alive - test thread for "aliveness" |
c906108c | 902 | |
c5aa993b | 903 | SYNOPSIS |
c906108c | 904 | |
c5aa993b | 905 | static bool sol_thread_alive (int pid); |
c906108c | 906 | |
c5aa993b | 907 | DESCRIPTION |
c906108c | 908 | |
c5aa993b | 909 | returns true if thread still active in inferior. |
c906108c SS |
910 | |
911 | */ | |
912 | ||
913 | static int | |
fba45db2 | 914 | sol_thread_alive (int pid) |
c906108c SS |
915 | { |
916 | if (is_thread (pid)) /* non-kernel thread */ | |
917 | { | |
918 | td_err_e val; | |
919 | td_thrhandle_t th; | |
920 | ||
921 | pid = GET_THREAD (pid); | |
922 | if ((val = p_td_ta_map_id2thr (main_ta, pid, &th)) != TD_OK) | |
c5aa993b | 923 | return 0; /* thread not found */ |
c906108c | 924 | if ((val = p_td_thr_validate (&th)) != TD_OK) |
c5aa993b JM |
925 | return 0; /* thread not valid */ |
926 | return 1; /* known thread: return true */ | |
c906108c | 927 | } |
c5aa993b JM |
928 | else |
929 | /* kernel thread (LWP): let procfs test it */ | |
c906108c SS |
930 | { |
931 | if (target_has_execution) | |
932 | return procfs_ops.to_thread_alive (pid); | |
933 | else | |
934 | return orig_core_ops.to_thread_alive (pid); | |
935 | } | |
936 | } | |
937 | ||
938 | static void | |
fba45db2 | 939 | sol_thread_stop (void) |
c906108c SS |
940 | { |
941 | procfs_ops.to_stop (); | |
942 | } | |
943 | \f | |
944 | /* These routines implement the lower half of the thread_db interface. Ie: the | |
945 | ps_* routines. */ | |
946 | ||
947 | /* Various versions of <proc_service.h> have slightly | |
948 | different function prototypes. In particular, we have | |
949 | ||
c5aa993b JM |
950 | NEWER OLDER |
951 | struct ps_prochandle * const struct ps_prochandle * | |
952 | void* char* | |
953 | const void* char* | |
954 | int size_t | |
c906108c SS |
955 | |
956 | Which one you have depends on solaris version and what | |
957 | patches you've applied. On the theory that there are | |
958 | only two major variants, we have configure check the | |
959 | prototype of ps_pdwrite (), and use that info to make | |
960 | appropriate typedefs here. */ | |
961 | ||
962 | #ifdef PROC_SERVICE_IS_OLD | |
c5aa993b JM |
963 | typedef const struct ps_prochandle *gdb_ps_prochandle_t; |
964 | typedef char *gdb_ps_read_buf_t; | |
965 | typedef char *gdb_ps_write_buf_t; | |
c906108c | 966 | typedef int gdb_ps_size_t; |
291dcb3e | 967 | typedef paddr_t gdb_ps_addr_t; |
c906108c | 968 | #else |
c5aa993b JM |
969 | typedef struct ps_prochandle *gdb_ps_prochandle_t; |
970 | typedef void *gdb_ps_read_buf_t; | |
971 | typedef const void *gdb_ps_write_buf_t; | |
c906108c | 972 | typedef size_t gdb_ps_size_t; |
291dcb3e | 973 | typedef psaddr_t gdb_ps_addr_t; |
c906108c SS |
974 | #endif |
975 | ||
976 | ||
977 | /* The next four routines are called by thread_db to tell us to stop and stop | |
978 | a particular process or lwp. Since GDB ensures that these are all stopped | |
979 | by the time we call anything in thread_db, these routines need to do | |
980 | nothing. */ | |
981 | ||
d4f3574e SS |
982 | /* Process stop */ |
983 | ||
c906108c SS |
984 | ps_err_e |
985 | ps_pstop (gdb_ps_prochandle_t ph) | |
986 | { | |
987 | return PS_OK; | |
988 | } | |
989 | ||
d4f3574e SS |
990 | /* Process continue */ |
991 | ||
c906108c SS |
992 | ps_err_e |
993 | ps_pcontinue (gdb_ps_prochandle_t ph) | |
994 | { | |
995 | return PS_OK; | |
996 | } | |
997 | ||
d4f3574e SS |
998 | /* LWP stop */ |
999 | ||
c906108c SS |
1000 | ps_err_e |
1001 | ps_lstop (gdb_ps_prochandle_t ph, lwpid_t lwpid) | |
1002 | { | |
1003 | return PS_OK; | |
1004 | } | |
1005 | ||
d4f3574e SS |
1006 | /* LWP continue */ |
1007 | ||
c906108c SS |
1008 | ps_err_e |
1009 | ps_lcontinue (gdb_ps_prochandle_t ph, lwpid_t lwpid) | |
1010 | { | |
1011 | return PS_OK; | |
1012 | } | |
1013 | ||
d4f3574e SS |
1014 | /* Looks up the symbol LD_SYMBOL_NAME in the debugger's symbol table. */ |
1015 | ||
c906108c SS |
1016 | ps_err_e |
1017 | ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *ld_object_name, | |
291dcb3e | 1018 | const char *ld_symbol_name, gdb_ps_addr_t * ld_symbol_addr) |
c906108c SS |
1019 | { |
1020 | struct minimal_symbol *ms; | |
1021 | ||
1022 | ms = lookup_minimal_symbol (ld_symbol_name, NULL, NULL); | |
1023 | ||
1024 | if (!ms) | |
1025 | return PS_NOSYM; | |
1026 | ||
1027 | *ld_symbol_addr = SYMBOL_VALUE_ADDRESS (ms); | |
1028 | ||
1029 | return PS_OK; | |
1030 | } | |
1031 | ||
1032 | /* Common routine for reading and writing memory. */ | |
1033 | ||
1034 | static ps_err_e | |
291dcb3e | 1035 | rw_common (int dowrite, const struct ps_prochandle *ph, gdb_ps_addr_t addr, |
c906108c SS |
1036 | char *buf, int size) |
1037 | { | |
1038 | struct cleanup *old_chain; | |
1039 | ||
1040 | old_chain = save_inferior_pid (); | |
1041 | ||
c5aa993b | 1042 | if (is_thread (inferior_pid) || /* A thread */ |
c906108c SS |
1043 | !target_thread_alive (inferior_pid)) /* An lwp, but not alive */ |
1044 | inferior_pid = procfs_first_available (); /* Find any live lwp. */ | |
1045 | /* Note: don't need to call switch_to_thread; we're just reading memory. */ | |
1046 | ||
1047 | while (size > 0) | |
1048 | { | |
1049 | int cc; | |
1050 | ||
1051 | if (target_has_execution) | |
1052 | cc = procfs_ops.to_xfer_memory (addr, buf, size, dowrite, &procfs_ops); | |
1053 | else | |
1054 | cc = orig_core_ops.to_xfer_memory (addr, buf, size, dowrite, &core_ops); | |
1055 | ||
1056 | if (cc < 0) | |
1057 | { | |
1058 | if (dowrite == 0) | |
1059 | print_sys_errmsg ("rw_common (): read", errno); | |
1060 | else | |
1061 | print_sys_errmsg ("rw_common (): write", errno); | |
1062 | ||
1063 | do_cleanups (old_chain); | |
1064 | ||
1065 | return PS_ERR; | |
1066 | } | |
d5cb3e0e MS |
1067 | else if (cc == 0) |
1068 | { | |
1069 | if (dowrite == 0) | |
1070 | warning ("rw_common (): unable to read at addr 0x%lx", | |
1071 | (long) addr); | |
1072 | else | |
1073 | warning ("rw_common (): unable to write at addr 0x%lx", | |
1074 | (long) addr); | |
1075 | ||
1076 | do_cleanups (old_chain); | |
1077 | ||
1078 | return PS_ERR; | |
1079 | } | |
1080 | ||
c906108c SS |
1081 | size -= cc; |
1082 | buf += cc; | |
1083 | } | |
1084 | ||
1085 | do_cleanups (old_chain); | |
1086 | ||
1087 | return PS_OK; | |
1088 | } | |
1089 | ||
d4f3574e SS |
1090 | /* Copies SIZE bytes from target process .data segment to debugger memory. */ |
1091 | ||
c906108c | 1092 | ps_err_e |
291dcb3e | 1093 | ps_pdread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1094 | gdb_ps_read_buf_t buf, gdb_ps_size_t size) |
1095 | { | |
1096 | return rw_common (0, ph, addr, buf, size); | |
1097 | } | |
1098 | ||
d4f3574e SS |
1099 | /* Copies SIZE bytes from debugger memory .data segment to target process. */ |
1100 | ||
c906108c | 1101 | ps_err_e |
291dcb3e | 1102 | ps_pdwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1103 | gdb_ps_write_buf_t buf, gdb_ps_size_t size) |
1104 | { | |
c5aa993b | 1105 | return rw_common (1, ph, addr, (char *) buf, size); |
c906108c SS |
1106 | } |
1107 | ||
d4f3574e SS |
1108 | /* Copies SIZE bytes from target process .text segment to debugger memory. */ |
1109 | ||
c906108c | 1110 | ps_err_e |
291dcb3e | 1111 | ps_ptread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1112 | gdb_ps_read_buf_t buf, gdb_ps_size_t size) |
1113 | { | |
1114 | return rw_common (0, ph, addr, buf, size); | |
1115 | } | |
1116 | ||
d4f3574e SS |
1117 | /* Copies SIZE bytes from debugger memory .text segment to target process. */ |
1118 | ||
c906108c | 1119 | ps_err_e |
291dcb3e | 1120 | ps_ptwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1121 | gdb_ps_write_buf_t buf, gdb_ps_size_t size) |
1122 | { | |
c5aa993b | 1123 | return rw_common (1, ph, addr, (char *) buf, size); |
c906108c SS |
1124 | } |
1125 | ||
d4f3574e | 1126 | /* Get integer regs for LWP */ |
c906108c SS |
1127 | |
1128 | ps_err_e | |
1129 | ps_lgetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
1130 | prgregset_t gregset) | |
1131 | { | |
1132 | struct cleanup *old_chain; | |
1133 | ||
1134 | old_chain = save_inferior_pid (); | |
1135 | ||
1136 | inferior_pid = BUILD_LWP (lwpid, PIDGET (inferior_pid)); | |
c5aa993b | 1137 | |
c906108c SS |
1138 | if (target_has_execution) |
1139 | procfs_ops.to_fetch_registers (-1); | |
1140 | else | |
1141 | orig_core_ops.to_fetch_registers (-1); | |
c60c0f5f | 1142 | fill_gregset ((gdb_gregset_t *) gregset, -1); |
c906108c SS |
1143 | |
1144 | do_cleanups (old_chain); | |
1145 | ||
1146 | return PS_OK; | |
1147 | } | |
1148 | ||
d4f3574e | 1149 | /* Set integer regs for LWP */ |
c906108c SS |
1150 | |
1151 | ps_err_e | |
1152 | ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
1153 | const prgregset_t gregset) | |
1154 | { | |
1155 | struct cleanup *old_chain; | |
1156 | ||
1157 | old_chain = save_inferior_pid (); | |
1158 | ||
1159 | inferior_pid = BUILD_LWP (lwpid, PIDGET (inferior_pid)); | |
c5aa993b | 1160 | |
c60c0f5f | 1161 | supply_gregset ((gdb_gregset_t *) gregset); |
c906108c SS |
1162 | if (target_has_execution) |
1163 | procfs_ops.to_store_registers (-1); | |
1164 | else | |
1165 | orig_core_ops.to_store_registers (-1); | |
1166 | ||
1167 | do_cleanups (old_chain); | |
1168 | ||
1169 | return PS_OK; | |
1170 | } | |
1171 | ||
d4f3574e SS |
1172 | /* Log a message (sends to gdb_stderr). */ |
1173 | ||
c906108c | 1174 | void |
c5aa993b | 1175 | ps_plog (const char *fmt,...) |
c906108c SS |
1176 | { |
1177 | va_list args; | |
1178 | ||
1179 | va_start (args, fmt); | |
1180 | ||
1181 | vfprintf_filtered (gdb_stderr, fmt, args); | |
1182 | } | |
1183 | ||
1184 | /* Get size of extra register set. Currently a noop. */ | |
1185 | ||
1186 | ps_err_e | |
1187 | ps_lgetxregsize (gdb_ps_prochandle_t ph, lwpid_t lwpid, int *xregsize) | |
1188 | { | |
1189 | #if 0 | |
1190 | int lwp_fd; | |
1191 | int regsize; | |
1192 | ps_err_e val; | |
1193 | ||
1194 | val = get_lwp_fd (ph, lwpid, &lwp_fd); | |
1195 | if (val != PS_OK) | |
1196 | return val; | |
1197 | ||
1198 | if (ioctl (lwp_fd, PIOCGXREGSIZE, ®size)) | |
1199 | { | |
1200 | if (errno == EINVAL) | |
1201 | return PS_NOFREGS; /* XXX Wrong code, but this is the closest | |
1202 | thing in proc_service.h */ | |
1203 | ||
1204 | print_sys_errmsg ("ps_lgetxregsize (): PIOCGXREGSIZE", errno); | |
1205 | return PS_ERR; | |
1206 | } | |
1207 | #endif | |
1208 | ||
1209 | return PS_OK; | |
1210 | } | |
1211 | ||
1212 | /* Get extra register set. Currently a noop. */ | |
1213 | ||
1214 | ps_err_e | |
1215 | ps_lgetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset) | |
1216 | { | |
1217 | #if 0 | |
1218 | int lwp_fd; | |
1219 | ps_err_e val; | |
1220 | ||
1221 | val = get_lwp_fd (ph, lwpid, &lwp_fd); | |
1222 | if (val != PS_OK) | |
1223 | return val; | |
1224 | ||
1225 | if (ioctl (lwp_fd, PIOCGXREG, xregset)) | |
1226 | { | |
1227 | print_sys_errmsg ("ps_lgetxregs (): PIOCGXREG", errno); | |
1228 | return PS_ERR; | |
1229 | } | |
1230 | #endif | |
1231 | ||
1232 | return PS_OK; | |
1233 | } | |
1234 | ||
1235 | /* Set extra register set. Currently a noop. */ | |
1236 | ||
1237 | ps_err_e | |
1238 | ps_lsetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset) | |
1239 | { | |
1240 | #if 0 | |
1241 | int lwp_fd; | |
1242 | ps_err_e val; | |
1243 | ||
1244 | val = get_lwp_fd (ph, lwpid, &lwp_fd); | |
1245 | if (val != PS_OK) | |
1246 | return val; | |
1247 | ||
1248 | if (ioctl (lwp_fd, PIOCSXREG, xregset)) | |
1249 | { | |
1250 | print_sys_errmsg ("ps_lsetxregs (): PIOCSXREG", errno); | |
1251 | return PS_ERR; | |
1252 | } | |
1253 | #endif | |
1254 | ||
1255 | return PS_OK; | |
1256 | } | |
1257 | ||
d4f3574e | 1258 | /* Get floating-point regs for LWP */ |
c906108c SS |
1259 | |
1260 | ps_err_e | |
1261 | ps_lgetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
c5aa993b | 1262 | prfpregset_t * fpregset) |
c906108c SS |
1263 | { |
1264 | struct cleanup *old_chain; | |
1265 | ||
1266 | old_chain = save_inferior_pid (); | |
1267 | ||
1268 | inferior_pid = BUILD_LWP (lwpid, PIDGET (inferior_pid)); | |
1269 | ||
1270 | if (target_has_execution) | |
1271 | procfs_ops.to_fetch_registers (-1); | |
1272 | else | |
1273 | orig_core_ops.to_fetch_registers (-1); | |
c60c0f5f | 1274 | fill_fpregset ((gdb_fpregset_t *) fpregset, -1); |
c906108c SS |
1275 | |
1276 | do_cleanups (old_chain); | |
1277 | ||
1278 | return PS_OK; | |
1279 | } | |
1280 | ||
d4f3574e | 1281 | /* Set floating-point regs for LWP */ |
c906108c SS |
1282 | |
1283 | ps_err_e | |
1284 | ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
c5aa993b | 1285 | const prfpregset_t * fpregset) |
c906108c SS |
1286 | { |
1287 | struct cleanup *old_chain; | |
1288 | ||
1289 | old_chain = save_inferior_pid (); | |
1290 | ||
1291 | inferior_pid = BUILD_LWP (lwpid, PIDGET (inferior_pid)); | |
c5aa993b | 1292 | |
c60c0f5f | 1293 | supply_fpregset ((gdb_fpregset_t *) fpregset); |
c906108c SS |
1294 | if (target_has_execution) |
1295 | procfs_ops.to_store_registers (-1); | |
1296 | else | |
1297 | orig_core_ops.to_store_registers (-1); | |
1298 | ||
1299 | do_cleanups (old_chain); | |
1300 | ||
1301 | return PS_OK; | |
1302 | } | |
1303 | ||
1304 | #ifdef TM_I386SOL2_H | |
1305 | ||
d4f3574e SS |
1306 | /* Reads the local descriptor table of a LWP. */ |
1307 | ||
c906108c SS |
1308 | ps_err_e |
1309 | ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
1310 | struct ssd *pldt) | |
1311 | { | |
05e28a7b AC |
1312 | /* NOTE: only used on Solaris, therefore OK to refer to procfs.c */ |
1313 | extern struct ssd *procfs_find_LDT_entry (int); | |
1314 | struct ssd *ret; | |
c906108c | 1315 | |
2f09097b ND |
1316 | /* FIXME: can't I get the process ID from the prochandle or something? |
1317 | */ | |
1318 | ||
1319 | if (inferior_pid <= 0 || lwpid <= 0) | |
1320 | return PS_BADLID; | |
1321 | ||
05e28a7b AC |
1322 | ret = procfs_find_LDT_entry (BUILD_LWP (lwpid, PIDGET (inferior_pid))); |
1323 | if (ret) | |
c906108c | 1324 | { |
05e28a7b AC |
1325 | memcpy (pldt, ret, sizeof (struct ssd)); |
1326 | return PS_OK; | |
c906108c | 1327 | } |
05e28a7b | 1328 | else /* LDT not found. */ |
c906108c | 1329 | return PS_ERR; |
c5aa993b | 1330 | } |
c906108c SS |
1331 | #endif /* TM_I386SOL2_H */ |
1332 | \f | |
1333 | /* Convert a pid to printable form. */ | |
1334 | ||
1335 | char * | |
fba45db2 | 1336 | solaris_pid_to_str (int pid) |
c906108c SS |
1337 | { |
1338 | static char buf[100]; | |
1339 | ||
1340 | /* in case init failed to resolve the libthread_db library */ | |
1341 | if (!procfs_suppress_run) | |
1342 | return procfs_pid_to_str (pid); | |
1343 | ||
1344 | if (is_thread (pid)) | |
1345 | { | |
1346 | int lwp; | |
1347 | ||
1348 | lwp = thread_to_lwp (pid, -2); | |
1349 | ||
1350 | if (lwp == -1) | |
1351 | sprintf (buf, "Thread %d (defunct)", GET_THREAD (pid)); | |
1352 | else if (lwp != -2) | |
1353 | sprintf (buf, "Thread %d (LWP %d)", GET_THREAD (pid), GET_LWP (lwp)); | |
1354 | else | |
1355 | sprintf (buf, "Thread %d ", GET_THREAD (pid)); | |
1356 | } | |
1357 | else if (GET_LWP (pid) != 0) | |
1358 | sprintf (buf, "LWP %d ", GET_LWP (pid)); | |
1359 | else | |
1360 | sprintf (buf, "process %d ", PIDGET (pid)); | |
1361 | ||
1362 | return buf; | |
1363 | } | |
1364 | \f | |
1365 | ||
1366 | /* Worker bee for find_new_threads | |
1367 | Callback function that gets called once per USER thread (i.e., not | |
1368 | kernel) thread. */ | |
1369 | ||
1370 | static int | |
fba45db2 | 1371 | sol_find_new_threads_callback (const td_thrhandle_t *th, void *ignored) |
c906108c SS |
1372 | { |
1373 | td_err_e retval; | |
1374 | td_thrinfo_t ti; | |
1375 | int pid; | |
1376 | ||
c5aa993b | 1377 | if ((retval = p_td_thr_get_info (th, &ti)) != TD_OK) |
c906108c SS |
1378 | { |
1379 | return -1; | |
1380 | } | |
c5aa993b JM |
1381 | pid = BUILD_THREAD (ti.ti_tid, PIDGET (inferior_pid)); |
1382 | if (!in_thread_list (pid)) | |
1383 | add_thread (pid); | |
c906108c SS |
1384 | |
1385 | return 0; | |
1386 | } | |
1387 | ||
d4f3574e | 1388 | static void |
fba45db2 | 1389 | sol_find_new_threads (void) |
c906108c SS |
1390 | { |
1391 | /* don't do anything if init failed to resolve the libthread_db library */ | |
1392 | if (!procfs_suppress_run) | |
1393 | return; | |
1394 | ||
1395 | if (inferior_pid == -1) | |
1396 | { | |
c5aa993b | 1397 | printf_filtered ("No process.\n"); |
c906108c SS |
1398 | return; |
1399 | } | |
c3f6f71d | 1400 | procfs_find_new_threads (); /* first find new kernel threads. */ |
c5aa993b | 1401 | p_td_ta_thr_iter (main_ta, sol_find_new_threads_callback, (void *) 0, |
c906108c SS |
1402 | TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY, |
1403 | TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS); | |
1404 | } | |
1405 | ||
1406 | static void | |
fba45db2 | 1407 | sol_core_open (char *filename, int from_tty) |
c906108c SS |
1408 | { |
1409 | orig_core_ops.to_open (filename, from_tty); | |
1410 | } | |
1411 | ||
1412 | static void | |
fba45db2 | 1413 | sol_core_close (int quitting) |
c906108c SS |
1414 | { |
1415 | orig_core_ops.to_close (quitting); | |
1416 | } | |
1417 | ||
1418 | static void | |
fba45db2 | 1419 | sol_core_detach (char *args, int from_tty) |
c906108c SS |
1420 | { |
1421 | unpush_target (&core_ops); | |
1422 | orig_core_ops.to_detach (args, from_tty); | |
1423 | } | |
1424 | ||
1425 | static void | |
fba45db2 | 1426 | sol_core_files_info (struct target_ops *t) |
c906108c SS |
1427 | { |
1428 | orig_core_ops.to_files_info (t); | |
1429 | } | |
1430 | ||
c906108c SS |
1431 | /* Worker bee for info sol-thread command. This is a callback function that |
1432 | gets called once for each Solaris thread (ie. not kernel thread) in the | |
1433 | inferior. Print anything interesting that we can think of. */ | |
1434 | ||
c5aa993b | 1435 | static int |
fba45db2 | 1436 | info_cb (const td_thrhandle_t *th, void *s) |
c906108c SS |
1437 | { |
1438 | td_err_e ret; | |
1439 | td_thrinfo_t ti; | |
c906108c SS |
1440 | |
1441 | if ((ret = p_td_thr_get_info (th, &ti)) == TD_OK) | |
1442 | { | |
c5aa993b JM |
1443 | printf_filtered ("%s thread #%d, lwp %d, ", |
1444 | ti.ti_type == TD_THR_SYSTEM ? "system" : "user ", | |
c906108c | 1445 | ti.ti_tid, ti.ti_lid); |
c5aa993b JM |
1446 | switch (ti.ti_state) |
1447 | { | |
c906108c | 1448 | default: |
c5aa993b JM |
1449 | case TD_THR_UNKNOWN: |
1450 | printf_filtered ("<unknown state>"); | |
1451 | break; | |
1452 | case TD_THR_STOPPED: | |
1453 | printf_filtered ("(stopped)"); | |
1454 | break; | |
1455 | case TD_THR_RUN: | |
1456 | printf_filtered ("(run) "); | |
1457 | break; | |
1458 | case TD_THR_ACTIVE: | |
1459 | printf_filtered ("(active) "); | |
1460 | break; | |
1461 | case TD_THR_ZOMBIE: | |
1462 | printf_filtered ("(zombie) "); | |
1463 | break; | |
1464 | case TD_THR_SLEEP: | |
1465 | printf_filtered ("(asleep) "); | |
1466 | break; | |
1467 | case TD_THR_STOPPED_ASLEEP: | |
1468 | printf_filtered ("(stopped asleep)"); | |
1469 | break; | |
1470 | } | |
c906108c SS |
1471 | /* Print thr_create start function: */ |
1472 | if (ti.ti_startfunc != 0) | |
4ce44c66 JM |
1473 | { |
1474 | struct minimal_symbol *msym; | |
1475 | msym = lookup_minimal_symbol_by_pc (ti.ti_startfunc); | |
1476 | if (msym) | |
1477 | printf_filtered (" startfunc: %s\n", SYMBOL_NAME (msym)); | |
1478 | else | |
1479 | printf_filtered (" startfunc: 0x%s\n", paddr (ti.ti_startfunc)); | |
1480 | } | |
c906108c SS |
1481 | |
1482 | /* If thread is asleep, print function that went to sleep: */ | |
1483 | if (ti.ti_state == TD_THR_SLEEP) | |
4ce44c66 JM |
1484 | { |
1485 | struct minimal_symbol *msym; | |
1486 | msym = lookup_minimal_symbol_by_pc (ti.ti_pc); | |
1487 | if (msym) | |
1488 | printf_filtered (" - Sleep func: %s\n", SYMBOL_NAME (msym)); | |
1489 | else | |
1490 | printf_filtered (" - Sleep func: 0x%s\n", paddr (ti.ti_startfunc)); | |
1491 | } | |
c906108c SS |
1492 | |
1493 | /* Wrap up line, if necessary */ | |
1494 | if (ti.ti_state != TD_THR_SLEEP && ti.ti_startfunc == 0) | |
1495 | printf_filtered ("\n"); /* don't you hate counting newlines? */ | |
1496 | } | |
1497 | else | |
1498 | warning ("info sol-thread: failed to get info for thread."); | |
1499 | ||
c5aa993b | 1500 | return 0; |
c906108c SS |
1501 | } |
1502 | ||
1503 | /* List some state about each Solaris user thread in the inferior. */ | |
1504 | ||
1505 | static void | |
fba45db2 | 1506 | info_solthreads (char *args, int from_tty) |
c906108c | 1507 | { |
c5aa993b | 1508 | p_td_ta_thr_iter (main_ta, info_cb, args, |
c906108c SS |
1509 | TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY, |
1510 | TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS); | |
1511 | } | |
c906108c SS |
1512 | |
1513 | static int | |
fba45db2 | 1514 | ignore (CORE_ADDR addr, char *contents) |
c906108c SS |
1515 | { |
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | ||
1520 | static void | |
fba45db2 | 1521 | init_sol_thread_ops (void) |
c906108c SS |
1522 | { |
1523 | sol_thread_ops.to_shortname = "solaris-threads"; | |
1524 | sol_thread_ops.to_longname = "Solaris threads and pthread."; | |
1525 | sol_thread_ops.to_doc = "Solaris threads and pthread support."; | |
1526 | sol_thread_ops.to_open = sol_thread_open; | |
1527 | sol_thread_ops.to_close = 0; | |
1528 | sol_thread_ops.to_attach = sol_thread_attach; | |
1529 | sol_thread_ops.to_detach = sol_thread_detach; | |
1530 | sol_thread_ops.to_resume = sol_thread_resume; | |
1531 | sol_thread_ops.to_wait = sol_thread_wait; | |
1532 | sol_thread_ops.to_fetch_registers = sol_thread_fetch_registers; | |
1533 | sol_thread_ops.to_store_registers = sol_thread_store_registers; | |
1534 | sol_thread_ops.to_prepare_to_store = sol_thread_prepare_to_store; | |
1535 | sol_thread_ops.to_xfer_memory = sol_thread_xfer_memory; | |
1536 | sol_thread_ops.to_files_info = sol_thread_files_info; | |
1537 | sol_thread_ops.to_insert_breakpoint = memory_insert_breakpoint; | |
1538 | sol_thread_ops.to_remove_breakpoint = memory_remove_breakpoint; | |
1539 | sol_thread_ops.to_terminal_init = terminal_init_inferior; | |
1540 | sol_thread_ops.to_terminal_inferior = terminal_inferior; | |
1541 | sol_thread_ops.to_terminal_ours_for_output = terminal_ours_for_output; | |
1542 | sol_thread_ops.to_terminal_ours = terminal_ours; | |
1543 | sol_thread_ops.to_terminal_info = child_terminal_info; | |
1544 | sol_thread_ops.to_kill = sol_thread_kill_inferior; | |
1545 | sol_thread_ops.to_load = 0; | |
1546 | sol_thread_ops.to_lookup_symbol = 0; | |
1547 | sol_thread_ops.to_create_inferior = sol_thread_create_inferior; | |
1548 | sol_thread_ops.to_mourn_inferior = sol_thread_mourn_inferior; | |
1549 | sol_thread_ops.to_can_run = sol_thread_can_run; | |
1550 | sol_thread_ops.to_notice_signals = sol_thread_notice_signals; | |
1551 | sol_thread_ops.to_thread_alive = sol_thread_alive; | |
ed9a39eb | 1552 | sol_thread_ops.to_pid_to_str = solaris_pid_to_str; |
b83266a0 | 1553 | sol_thread_ops.to_find_new_threads = sol_find_new_threads; |
c906108c SS |
1554 | sol_thread_ops.to_stop = sol_thread_stop; |
1555 | sol_thread_ops.to_stratum = process_stratum; | |
1556 | sol_thread_ops.to_has_all_memory = 1; | |
1557 | sol_thread_ops.to_has_memory = 1; | |
1558 | sol_thread_ops.to_has_stack = 1; | |
1559 | sol_thread_ops.to_has_registers = 1; | |
1560 | sol_thread_ops.to_has_execution = 1; | |
1561 | sol_thread_ops.to_has_thread_control = tc_none; | |
1562 | sol_thread_ops.to_sections = 0; | |
1563 | sol_thread_ops.to_sections_end = 0; | |
1564 | sol_thread_ops.to_magic = OPS_MAGIC; | |
1565 | } | |
1566 | ||
1567 | ||
1568 | static void | |
fba45db2 | 1569 | init_sol_core_ops (void) |
c906108c | 1570 | { |
c5aa993b JM |
1571 | sol_core_ops.to_shortname = "solaris-core"; |
1572 | sol_core_ops.to_longname = "Solaris core threads and pthread."; | |
1573 | sol_core_ops.to_doc = "Solaris threads and pthread support for core files."; | |
1574 | sol_core_ops.to_open = sol_core_open; | |
1575 | sol_core_ops.to_close = sol_core_close; | |
1576 | sol_core_ops.to_attach = sol_thread_attach; | |
1577 | sol_core_ops.to_detach = sol_core_detach; | |
c906108c | 1578 | /* sol_core_ops.to_resume = 0; */ |
c5aa993b JM |
1579 | /* sol_core_ops.to_wait = 0; */ |
1580 | sol_core_ops.to_fetch_registers = sol_thread_fetch_registers; | |
c906108c SS |
1581 | /* sol_core_ops.to_store_registers = 0; */ |
1582 | /* sol_core_ops.to_prepare_to_store = 0; */ | |
c5aa993b JM |
1583 | sol_core_ops.to_xfer_memory = sol_thread_xfer_memory; |
1584 | sol_core_ops.to_files_info = sol_core_files_info; | |
1585 | sol_core_ops.to_insert_breakpoint = ignore; | |
1586 | sol_core_ops.to_remove_breakpoint = ignore; | |
c906108c SS |
1587 | /* sol_core_ops.to_terminal_init = 0; */ |
1588 | /* sol_core_ops.to_terminal_inferior = 0; */ | |
1589 | /* sol_core_ops.to_terminal_ours_for_output = 0; */ | |
1590 | /* sol_core_ops.to_terminal_ours = 0; */ | |
1591 | /* sol_core_ops.to_terminal_info = 0; */ | |
1592 | /* sol_core_ops.to_kill = 0; */ | |
1593 | /* sol_core_ops.to_load = 0; */ | |
1594 | /* sol_core_ops.to_lookup_symbol = 0; */ | |
c5aa993b JM |
1595 | sol_core_ops.to_create_inferior = sol_thread_create_inferior; |
1596 | sol_core_ops.to_stratum = core_stratum; | |
1597 | sol_core_ops.to_has_all_memory = 0; | |
1598 | sol_core_ops.to_has_memory = 1; | |
1599 | sol_core_ops.to_has_stack = 1; | |
1600 | sol_core_ops.to_has_registers = 1; | |
1601 | sol_core_ops.to_has_execution = 0; | |
1602 | sol_core_ops.to_has_thread_control = tc_none; | |
db348f27 | 1603 | sol_core_ops.to_thread_alive = sol_thread_alive; |
ed9a39eb | 1604 | sol_core_ops.to_pid_to_str = solaris_pid_to_str; |
db348f27 ND |
1605 | /* On Solaris/x86, when debugging a threaded core file from process <n>, |
1606 | the following causes "info threads" to produce "procfs: couldn't find pid | |
1607 | <n> in procinfo list" where <n> is the pid of the process that produced | |
1608 | the core file. Disable it for now. */ | |
1609 | /* sol_core_ops.to_find_new_threads = sol_find_new_threads; */ | |
c5aa993b JM |
1610 | sol_core_ops.to_sections = 0; |
1611 | sol_core_ops.to_sections_end = 0; | |
1612 | sol_core_ops.to_magic = OPS_MAGIC; | |
c906108c SS |
1613 | } |
1614 | ||
1615 | /* we suppress the call to add_target of core_ops in corelow because | |
1616 | if there are two targets in the stratum core_stratum, find_core_target | |
1617 | won't know which one to return. see corelow.c for an additonal | |
1618 | comment on coreops_suppress_target. */ | |
1619 | int coreops_suppress_target = 1; | |
1620 | ||
1621 | void | |
fba45db2 | 1622 | _initialize_sol_thread (void) |
c906108c SS |
1623 | { |
1624 | void *dlhandle; | |
1625 | ||
1626 | init_sol_thread_ops (); | |
1627 | init_sol_core_ops (); | |
1628 | ||
1629 | dlhandle = dlopen ("libthread_db.so.1", RTLD_NOW); | |
1630 | if (!dlhandle) | |
1631 | goto die; | |
1632 | ||
1633 | #define resolve(X) \ | |
1634 | if (!(p_##X = dlsym (dlhandle, #X))) \ | |
1635 | goto die; | |
1636 | ||
1637 | resolve (td_log); | |
1638 | resolve (td_ta_new); | |
1639 | resolve (td_ta_delete); | |
1640 | resolve (td_init); | |
1641 | resolve (td_ta_get_ph); | |
1642 | resolve (td_ta_get_nthreads); | |
1643 | resolve (td_ta_tsd_iter); | |
1644 | resolve (td_ta_thr_iter); | |
1645 | resolve (td_thr_validate); | |
1646 | resolve (td_thr_tsd); | |
1647 | resolve (td_thr_get_info); | |
1648 | resolve (td_thr_getfpregs); | |
1649 | resolve (td_thr_getxregsize); | |
1650 | resolve (td_thr_getxregs); | |
1651 | resolve (td_thr_sigsetmask); | |
1652 | resolve (td_thr_setprio); | |
1653 | resolve (td_thr_setsigpending); | |
1654 | resolve (td_thr_setfpregs); | |
1655 | resolve (td_thr_setxregs); | |
1656 | resolve (td_ta_map_id2thr); | |
1657 | resolve (td_ta_map_lwp2thr); | |
1658 | resolve (td_thr_getgregs); | |
1659 | resolve (td_thr_setgregs); | |
1660 | ||
1661 | add_target (&sol_thread_ops); | |
1662 | ||
1663 | procfs_suppress_run = 1; | |
1664 | ||
c5aa993b JM |
1665 | add_cmd ("sol-threads", class_maintenance, info_solthreads, |
1666 | "Show info on Solaris user threads.\n", &maintenanceinfolist); | |
c906108c | 1667 | |
c5aa993b JM |
1668 | memcpy (&orig_core_ops, &core_ops, sizeof (struct target_ops)); |
1669 | memcpy (&core_ops, &sol_core_ops, sizeof (struct target_ops)); | |
c906108c SS |
1670 | add_target (&core_ops); |
1671 | ||
11cf8741 JM |
1672 | /* Hook into new_objfile notification. */ |
1673 | target_new_objfile_chain = target_new_objfile_hook; | |
1674 | target_new_objfile_hook = sol_thread_new_objfile; | |
c906108c SS |
1675 | return; |
1676 | ||
c5aa993b | 1677 | die: |
c906108c SS |
1678 | |
1679 | fprintf_unfiltered (gdb_stderr, "[GDB will not be able to debug user-mode threads: %s]\n", dlerror ()); | |
1680 | ||
1681 | if (dlhandle) | |
1682 | dlclose (dlhandle); | |
1683 | ||
1684 | /* allow the user to debug non-threaded core files */ | |
c5aa993b | 1685 | add_target (&core_ops); |
c906108c SS |
1686 | |
1687 | return; | |
1688 | } |