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c906108c | 1 | /* Low level interface for debugging Solaris threads for GDB, the GNU debugger. |
b6ba6518 KB |
2 | Copyright 1996, 1997, 1998, 1999, 2000, 2001 |
3 | Free Software Foundation, Inc. | |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | /* This module implements a sort of half target that sits between the | |
23 | machine-independent parts of GDB and the /proc interface (procfs.c) to | |
24 | provide access to the Solaris user-mode thread implementation. | |
25 | ||
26 | Solaris threads are true user-mode threads, which are invoked via the thr_* | |
27 | and pthread_* (native and Posix respectivly) interfaces. These are mostly | |
28 | implemented in user-space, with all thread context kept in various | |
29 | structures that live in the user's heap. These should not be confused with | |
30 | lightweight processes (LWPs), which are implemented by the kernel, and | |
31 | scheduled without explicit intervention by the process. | |
32 | ||
33 | Just to confuse things a little, Solaris threads (both native and Posix) are | |
34 | actually implemented using LWPs. In general, there are going to be more | |
35 | threads than LWPs. There is no fixed correspondence between a thread and an | |
36 | LWP. When a thread wants to run, it gets scheduled onto the first available | |
37 | LWP and can therefore migrate from one LWP to another as time goes on. A | |
38 | sleeping thread may not be associated with an LWP at all! | |
39 | ||
40 | To make it possible to mess with threads, Sun provides a library called | |
41 | libthread_db.so.1 (not to be confused with libthread_db.so.0, which doesn't | |
42 | have a published interface). This interface has an upper part, which it | |
43 | provides, and a lower part which I provide. The upper part consists of the | |
44 | td_* routines, which allow me to find all the threads, query their state, | |
45 | etc... The lower part consists of all of the ps_*, which are used by the | |
46 | td_* routines to read/write memory, manipulate LWPs, lookup symbols, etc... | |
47 | The ps_* routines actually do most of their work by calling functions in | |
48 | procfs.c. */ | |
49 | ||
50 | #include "defs.h" | |
51 | #include <thread.h> | |
52 | #include <proc_service.h> | |
53 | #include <thread_db.h> | |
54 | #include "gdbthread.h" | |
55 | #include "target.h" | |
56 | #include "inferior.h" | |
57 | #include <fcntl.h> | |
c906108c SS |
58 | #include <sys/stat.h> |
59 | #include <dlfcn.h> | |
60 | #include "gdbcmd.h" | |
23e04971 | 61 | #include "gdbcore.h" |
4e052eda | 62 | #include "regcache.h" |
c906108c | 63 | |
c5aa993b JM |
64 | extern struct target_ops sol_thread_ops; /* Forward declaration */ |
65 | extern struct target_ops sol_core_ops; /* Forward declaration */ | |
c906108c SS |
66 | |
67 | /* place to store core_ops before we overwrite it */ | |
68 | static struct target_ops orig_core_ops; | |
69 | ||
70 | struct target_ops sol_thread_ops; | |
71 | struct target_ops sol_core_ops; | |
72 | ||
73 | extern int procfs_suppress_run; | |
c5aa993b JM |
74 | extern struct target_ops procfs_ops; /* target vector for procfs.c */ |
75 | extern struct target_ops core_ops; /* target vector for corelow.c */ | |
39f77062 | 76 | extern char *procfs_pid_to_str (ptid_t ptid); |
c906108c | 77 | |
c60c0f5f MS |
78 | /* Prototypes for supply_gregset etc. */ |
79 | #include "gregset.h" | |
c906108c SS |
80 | |
81 | /* This struct is defined by us, but mainly used for the proc_service interface. | |
82 | We don't have much use for it, except as a handy place to get a real pid | |
83 | for memory accesses. */ | |
84 | ||
85 | struct ps_prochandle | |
c5aa993b | 86 | { |
39f77062 | 87 | ptid_t ptid; |
c5aa993b | 88 | }; |
c906108c SS |
89 | |
90 | struct string_map | |
c5aa993b JM |
91 | { |
92 | int num; | |
93 | char *str; | |
94 | }; | |
c906108c SS |
95 | |
96 | static struct ps_prochandle main_ph; | |
97 | static td_thragent_t *main_ta; | |
98 | static int sol_thread_active = 0; | |
99 | ||
a14ed312 KB |
100 | static char *td_err_string (td_err_e errcode); |
101 | static char *td_state_string (td_thr_state_e statecode); | |
39f77062 KB |
102 | static ptid_t thread_to_lwp (ptid_t thread_id, int default_lwp); |
103 | static void sol_thread_resume (ptid_t ptid, int step, enum target_signal signo); | |
104 | static ptid_t lwp_to_thread (ptid_t lwp); | |
105 | static int sol_thread_alive (ptid_t ptid); | |
a14ed312 KB |
106 | static void sol_core_close (int quitting); |
107 | ||
108 | static void init_sol_thread_ops (void); | |
109 | static void init_sol_core_ops (void); | |
c906108c | 110 | |
d4f3574e SS |
111 | /* Default definitions: These must be defined in tm.h |
112 | if they are to be shared with a process module such as procfs. */ | |
113 | ||
2f09097b ND |
114 | #define THREAD_FLAG 0x80000000 |
115 | #define is_thread(ARG) (((ARG) & THREAD_FLAG) != 0) | |
116 | #define is_lwp(ARG) (((ARG) & THREAD_FLAG) == 0) | |
117 | #define GET_LWP(PID) TIDGET (PID) | |
118 | #define GET_THREAD(PID) TIDGET (PID) | |
119 | #define BUILD_LWP(TID, PID) MERGEPID (PID, TID) | |
d4f3574e | 120 | |
2f09097b | 121 | #define BUILD_THREAD(TID, PID) (MERGEPID (PID, TID) | THREAD_FLAG) |
c906108c SS |
122 | |
123 | /* Pointers to routines from lithread_db resolved by dlopen() */ | |
124 | ||
e245aa6b MS |
125 | static void (*p_td_log) (const int on_off); |
126 | static td_err_e (*p_td_ta_new) (const struct ps_prochandle * ph_p, | |
127 | td_thragent_t ** ta_pp); | |
128 | static td_err_e (*p_td_ta_delete) (td_thragent_t * ta_p); | |
129 | static td_err_e (*p_td_init) (void); | |
130 | static td_err_e (*p_td_ta_get_ph) (const td_thragent_t * ta_p, | |
131 | struct ps_prochandle ** ph_pp); | |
132 | static td_err_e (*p_td_ta_get_nthreads) (const td_thragent_t * ta_p, | |
133 | int *nthread_p); | |
134 | static td_err_e (*p_td_ta_tsd_iter) (const td_thragent_t * ta_p, | |
135 | td_key_iter_f * cb, | |
136 | void *cbdata_p); | |
137 | static td_err_e (*p_td_ta_thr_iter) (const td_thragent_t * ta_p, | |
138 | td_thr_iter_f * cb, | |
139 | void *cbdata_p, | |
140 | td_thr_state_e state, | |
141 | int ti_pri, | |
142 | sigset_t * ti_sigmask_p, | |
143 | unsigned ti_user_flags); | |
144 | static td_err_e (*p_td_thr_validate) (const td_thrhandle_t * th_p); | |
145 | static td_err_e (*p_td_thr_tsd) (const td_thrhandle_t * th_p, | |
146 | const thread_key_t key, | |
147 | void **data_pp); | |
148 | static td_err_e (*p_td_thr_get_info) (const td_thrhandle_t * th_p, | |
149 | td_thrinfo_t * ti_p); | |
150 | static td_err_e (*p_td_thr_getfpregs) (const td_thrhandle_t * th_p, | |
151 | prfpregset_t * fpregset); | |
152 | static td_err_e (*p_td_thr_getxregsize) (const td_thrhandle_t * th_p, | |
153 | int *xregsize); | |
154 | static td_err_e (*p_td_thr_getxregs) (const td_thrhandle_t * th_p, | |
155 | const caddr_t xregset); | |
156 | static td_err_e (*p_td_thr_sigsetmask) (const td_thrhandle_t * th_p, | |
157 | const sigset_t ti_sigmask); | |
158 | static td_err_e (*p_td_thr_setprio) (const td_thrhandle_t * th_p, | |
159 | const int ti_pri); | |
160 | static td_err_e (*p_td_thr_setsigpending) (const td_thrhandle_t * th_p, | |
161 | const uchar_t ti_pending_flag, | |
162 | const sigset_t ti_pending); | |
163 | static td_err_e (*p_td_thr_setfpregs) (const td_thrhandle_t * th_p, | |
164 | const prfpregset_t * fpregset); | |
165 | static td_err_e (*p_td_thr_setxregs) (const td_thrhandle_t * th_p, | |
166 | const caddr_t xregset); | |
167 | static td_err_e (*p_td_ta_map_id2thr) (const td_thragent_t * ta_p, | |
168 | thread_t tid, | |
169 | td_thrhandle_t * th_p); | |
170 | static td_err_e (*p_td_ta_map_lwp2thr) (const td_thragent_t * ta_p, | |
171 | lwpid_t lwpid, | |
172 | td_thrhandle_t * th_p); | |
173 | static td_err_e (*p_td_thr_getgregs) (const td_thrhandle_t * th_p, | |
174 | prgregset_t regset); | |
175 | static td_err_e (*p_td_thr_setgregs) (const td_thrhandle_t * th_p, | |
176 | const prgregset_t regset); | |
177 | ||
c906108c SS |
178 | /* |
179 | ||
c5aa993b | 180 | LOCAL FUNCTION |
c906108c | 181 | |
c5aa993b | 182 | td_err_string - Convert a thread_db error code to a string |
c906108c | 183 | |
c5aa993b | 184 | SYNOPSIS |
c906108c | 185 | |
c5aa993b | 186 | char * td_err_string (errcode) |
c906108c | 187 | |
c5aa993b | 188 | DESCRIPTION |
c906108c | 189 | |
c5aa993b JM |
190 | Return the thread_db error string associated with errcode. If errcode |
191 | is unknown, then return a message. | |
c906108c SS |
192 | |
193 | */ | |
194 | ||
195 | static char * | |
fba45db2 | 196 | td_err_string (td_err_e errcode) |
c906108c SS |
197 | { |
198 | static struct string_map | |
c5aa993b JM |
199 | td_err_table[] = |
200 | { | |
201 | {TD_OK, "generic \"call succeeded\""}, | |
202 | {TD_ERR, "generic error."}, | |
203 | {TD_NOTHR, "no thread can be found to satisfy query"}, | |
204 | {TD_NOSV, "no synch. variable can be found to satisfy query"}, | |
205 | {TD_NOLWP, "no lwp can be found to satisfy query"}, | |
206 | {TD_BADPH, "invalid process handle"}, | |
207 | {TD_BADTH, "invalid thread handle"}, | |
208 | {TD_BADSH, "invalid synchronization handle"}, | |
209 | {TD_BADTA, "invalid thread agent"}, | |
210 | {TD_BADKEY, "invalid key"}, | |
211 | {TD_NOMSG, "td_thr_event_getmsg() called when there was no message"}, | |
212 | {TD_NOFPREGS, "FPU register set not available for given thread"}, | |
213 | {TD_NOLIBTHREAD, "application not linked with libthread"}, | |
214 | {TD_NOEVENT, "requested event is not supported"}, | |
215 | {TD_NOCAPAB, "capability not available"}, | |
216 | {TD_DBERR, "Debugger service failed"}, | |
217 | {TD_NOAPLIC, "Operation not applicable to"}, | |
218 | {TD_NOTSD, "No thread specific data for this thread"}, | |
219 | {TD_MALLOC, "Malloc failed"}, | |
8e1a459b | 220 | {TD_PARTIALREG, "Only part of register set was written/read"}, |
c5aa993b JM |
221 | {TD_NOXREGS, "X register set not available for given thread"} |
222 | }; | |
c906108c SS |
223 | const int td_err_size = sizeof td_err_table / sizeof (struct string_map); |
224 | int i; | |
225 | static char buf[50]; | |
226 | ||
227 | for (i = 0; i < td_err_size; i++) | |
228 | if (td_err_table[i].num == errcode) | |
229 | return td_err_table[i].str; | |
c5aa993b | 230 | |
c906108c SS |
231 | sprintf (buf, "Unknown thread_db error code: %d", errcode); |
232 | ||
233 | return buf; | |
234 | } | |
235 | \f | |
236 | /* | |
237 | ||
c5aa993b | 238 | LOCAL FUNCTION |
c906108c | 239 | |
c5aa993b | 240 | td_state_string - Convert a thread_db state code to a string |
c906108c | 241 | |
c5aa993b | 242 | SYNOPSIS |
c906108c | 243 | |
c5aa993b | 244 | char * td_state_string (statecode) |
c906108c | 245 | |
c5aa993b | 246 | DESCRIPTION |
c906108c | 247 | |
c5aa993b JM |
248 | Return the thread_db state string associated with statecode. If |
249 | statecode is unknown, then return a message. | |
c906108c SS |
250 | |
251 | */ | |
252 | ||
253 | static char * | |
fba45db2 | 254 | td_state_string (td_thr_state_e statecode) |
c906108c SS |
255 | { |
256 | static struct string_map | |
c5aa993b JM |
257 | td_thr_state_table[] = |
258 | { | |
259 | {TD_THR_ANY_STATE, "any state"}, | |
260 | {TD_THR_UNKNOWN, "unknown"}, | |
261 | {TD_THR_STOPPED, "stopped"}, | |
262 | {TD_THR_RUN, "run"}, | |
263 | {TD_THR_ACTIVE, "active"}, | |
264 | {TD_THR_ZOMBIE, "zombie"}, | |
265 | {TD_THR_SLEEP, "sleep"}, | |
266 | {TD_THR_STOPPED_ASLEEP, "stopped asleep"} | |
267 | }; | |
c906108c SS |
268 | const int td_thr_state_table_size = sizeof td_thr_state_table / sizeof (struct string_map); |
269 | int i; | |
270 | static char buf[50]; | |
271 | ||
272 | for (i = 0; i < td_thr_state_table_size; i++) | |
273 | if (td_thr_state_table[i].num == statecode) | |
274 | return td_thr_state_table[i].str; | |
c5aa993b | 275 | |
c906108c SS |
276 | sprintf (buf, "Unknown thread_db state code: %d", statecode); |
277 | ||
278 | return buf; | |
279 | } | |
280 | \f | |
281 | /* | |
282 | ||
c5aa993b | 283 | LOCAL FUNCTION |
c906108c | 284 | |
c5aa993b | 285 | thread_to_lwp - Convert a Posix or Solaris thread id to a LWP id. |
c906108c | 286 | |
c5aa993b | 287 | SYNOPSIS |
c906108c | 288 | |
39f77062 | 289 | tpid_t thread_to_lwp (thread_id, default_lwp) |
c906108c | 290 | |
c5aa993b | 291 | DESCRIPTION |
c906108c | 292 | |
c5aa993b JM |
293 | This function converts a Posix or Solaris thread id to a lightweight |
294 | process id. If thread_id is non-existent, that's an error. If it's | |
295 | an inactive thread, then we return default_lwp. | |
c906108c | 296 | |
c5aa993b | 297 | NOTES |
c906108c | 298 | |
c5aa993b | 299 | This function probably shouldn't call error()... |
c906108c SS |
300 | |
301 | */ | |
302 | ||
39f77062 KB |
303 | static ptid_t |
304 | thread_to_lwp (ptid_t thread_id, int default_lwp) | |
c906108c SS |
305 | { |
306 | td_thrinfo_t ti; | |
307 | td_thrhandle_t th; | |
308 | td_err_e val; | |
309 | ||
310 | if (is_lwp (thread_id)) | |
c5aa993b | 311 | return thread_id; /* It's already an LWP id */ |
c906108c SS |
312 | |
313 | /* It's a thread. Convert to lwp */ | |
314 | ||
315 | val = p_td_ta_map_id2thr (main_ta, GET_THREAD (thread_id), &th); | |
316 | if (val == TD_NOTHR) | |
39f77062 | 317 | return pid_to_ptid (-1); /* thread must have terminated */ |
c906108c SS |
318 | else if (val != TD_OK) |
319 | error ("thread_to_lwp: td_ta_map_id2thr %s", td_err_string (val)); | |
320 | ||
321 | val = p_td_thr_get_info (&th, &ti); | |
322 | if (val == TD_NOTHR) | |
39f77062 | 323 | return pid_to_ptid (-1); /* thread must have terminated */ |
c906108c SS |
324 | else if (val != TD_OK) |
325 | error ("thread_to_lwp: td_thr_get_info: %s", td_err_string (val)); | |
326 | ||
327 | if (ti.ti_state != TD_THR_ACTIVE) | |
328 | { | |
329 | if (default_lwp != -1) | |
39f77062 | 330 | return pid_to_ptid (default_lwp); |
c906108c SS |
331 | error ("thread_to_lwp: thread state not active: %s", |
332 | td_state_string (ti.ti_state)); | |
333 | } | |
334 | ||
335 | return BUILD_LWP (ti.ti_lid, PIDGET (thread_id)); | |
336 | } | |
337 | \f | |
338 | /* | |
339 | ||
c5aa993b | 340 | LOCAL FUNCTION |
c906108c | 341 | |
c5aa993b | 342 | lwp_to_thread - Convert a LWP id to a Posix or Solaris thread id. |
c906108c | 343 | |
c5aa993b | 344 | SYNOPSIS |
c906108c | 345 | |
c5aa993b | 346 | int lwp_to_thread (lwp_id) |
c906108c | 347 | |
c5aa993b | 348 | DESCRIPTION |
c906108c | 349 | |
c5aa993b JM |
350 | This function converts a lightweight process id to a Posix or Solaris |
351 | thread id. If thread_id is non-existent, that's an error. | |
c906108c | 352 | |
c5aa993b | 353 | NOTES |
c906108c | 354 | |
c5aa993b | 355 | This function probably shouldn't call error()... |
c906108c SS |
356 | |
357 | */ | |
358 | ||
39f77062 KB |
359 | static ptid_t |
360 | lwp_to_thread (ptid_t lwp) | |
c906108c SS |
361 | { |
362 | td_thrinfo_t ti; | |
363 | td_thrhandle_t th; | |
364 | td_err_e val; | |
365 | ||
366 | if (is_thread (lwp)) | |
367 | return lwp; /* It's already a thread id */ | |
368 | ||
369 | /* It's an lwp. Convert it to a thread id. */ | |
370 | ||
371 | if (!sol_thread_alive (lwp)) | |
39f77062 | 372 | return pid_to_ptid (-1); /* defunct lwp */ |
c906108c SS |
373 | |
374 | val = p_td_ta_map_lwp2thr (main_ta, GET_LWP (lwp), &th); | |
375 | if (val == TD_NOTHR) | |
39f77062 | 376 | return pid_to_ptid (-1); /* thread must have terminated */ |
c906108c SS |
377 | else if (val != TD_OK) |
378 | error ("lwp_to_thread: td_ta_map_lwp2thr: %s.", td_err_string (val)); | |
379 | ||
380 | val = p_td_thr_validate (&th); | |
381 | if (val == TD_NOTHR) | |
e245aa6b MS |
382 | return lwp; /* libthread doesn't know about it; |
383 | just return lwp */ | |
c906108c SS |
384 | else if (val != TD_OK) |
385 | error ("lwp_to_thread: td_thr_validate: %s.", td_err_string (val)); | |
386 | ||
387 | val = p_td_thr_get_info (&th, &ti); | |
388 | if (val == TD_NOTHR) | |
39f77062 | 389 | return pid_to_ptid (-1); /* thread must have terminated */ |
c906108c SS |
390 | else if (val != TD_OK) |
391 | error ("lwp_to_thread: td_thr_get_info: %s.", td_err_string (val)); | |
392 | ||
393 | return BUILD_THREAD (ti.ti_tid, PIDGET (lwp)); | |
394 | } | |
395 | \f | |
c906108c SS |
396 | |
397 | /* Most target vector functions from here on actually just pass through to | |
398 | procfs.c, as they don't need to do anything specific for threads. */ | |
399 | ||
400 | ||
401 | /* ARGSUSED */ | |
402 | static void | |
fba45db2 | 403 | sol_thread_open (char *arg, int from_tty) |
c906108c SS |
404 | { |
405 | procfs_ops.to_open (arg, from_tty); | |
406 | } | |
407 | ||
408 | /* Attach to process PID, then initialize for debugging it | |
409 | and wait for the trace-trap that results from attaching. */ | |
410 | ||
411 | static void | |
fba45db2 | 412 | sol_thread_attach (char *args, int from_tty) |
c906108c SS |
413 | { |
414 | procfs_ops.to_attach (args, from_tty); | |
23715f29 | 415 | |
71150974 MS |
416 | /* Must get symbols from solibs before libthread_db can run! */ |
417 | SOLIB_ADD ((char *) 0, from_tty, (struct target_ops *) 0); | |
418 | ||
c906108c SS |
419 | if (sol_thread_active) |
420 | { | |
421 | printf_filtered ("sol-thread active.\n"); | |
39f77062 | 422 | main_ph.ptid = inferior_ptid; /* Save for xfer_memory */ |
c906108c | 423 | push_target (&sol_thread_ops); |
39f77062 KB |
424 | inferior_ptid = lwp_to_thread (inferior_ptid); |
425 | if (PIDGET (inferior_ptid) == -1) | |
426 | inferior_ptid = main_ph.ptid; | |
c906108c | 427 | else |
39f77062 | 428 | add_thread (inferior_ptid); |
c906108c SS |
429 | } |
430 | /* XXX - might want to iterate over all the threads and register them. */ | |
431 | } | |
432 | ||
433 | /* Take a program previously attached to and detaches it. | |
434 | The program resumes execution and will no longer stop | |
435 | on signals, etc. We'd better not have left any breakpoints | |
436 | in the program or it'll die when it hits one. For this | |
437 | to work, it may be necessary for the process to have been | |
438 | previously attached. It *might* work if the program was | |
439 | started via the normal ptrace (PTRACE_TRACEME). */ | |
440 | ||
441 | static void | |
fba45db2 | 442 | sol_thread_detach (char *args, int from_tty) |
c906108c | 443 | { |
39f77062 | 444 | inferior_ptid = pid_to_ptid (PIDGET (main_ph.ptid)); |
c906108c SS |
445 | unpush_target (&sol_thread_ops); |
446 | procfs_ops.to_detach (args, from_tty); | |
447 | } | |
448 | ||
449 | /* Resume execution of process PID. If STEP is nozero, then | |
450 | just single step it. If SIGNAL is nonzero, restart it with that | |
451 | signal activated. We may have to convert pid from a thread-id to an LWP id | |
452 | for procfs. */ | |
453 | ||
454 | static void | |
39f77062 | 455 | sol_thread_resume (ptid_t ptid, int step, enum target_signal signo) |
c906108c SS |
456 | { |
457 | struct cleanup *old_chain; | |
458 | ||
39f77062 | 459 | old_chain = save_inferior_ptid (); |
c906108c | 460 | |
39f77062 KB |
461 | inferior_ptid = thread_to_lwp (inferior_ptid, PIDGET (main_ph.ptid)); |
462 | if (PIDGET (inferior_ptid) == -1) | |
463 | inferior_ptid = procfs_first_available (); | |
c906108c | 464 | |
39f77062 | 465 | if (PIDGET (ptid) != -1) |
c906108c | 466 | { |
39f77062 | 467 | ptid_t save_ptid = ptid; |
c906108c | 468 | |
39f77062 KB |
469 | ptid = thread_to_lwp (ptid, -2); |
470 | if (PIDGET (ptid) == -2) /* Inactive thread */ | |
c906108c | 471 | error ("This version of Solaris can't start inactive threads."); |
39f77062 KB |
472 | if (info_verbose && PIDGET (ptid) == -1) |
473 | warning ("Specified thread %ld seems to have terminated", | |
474 | GET_THREAD (save_ptid)); | |
c906108c SS |
475 | } |
476 | ||
39f77062 | 477 | procfs_ops.to_resume (ptid, step, signo); |
c906108c SS |
478 | |
479 | do_cleanups (old_chain); | |
480 | } | |
481 | ||
482 | /* Wait for any threads to stop. We may have to convert PID from a thread id | |
483 | to a LWP id, and vice versa on the way out. */ | |
484 | ||
39f77062 KB |
485 | static ptid_t |
486 | sol_thread_wait (ptid_t ptid, struct target_waitstatus *ourstatus) | |
c906108c | 487 | { |
39f77062 KB |
488 | ptid_t rtnval; |
489 | ptid_t save_ptid; | |
c906108c SS |
490 | struct cleanup *old_chain; |
491 | ||
39f77062 KB |
492 | save_ptid = inferior_ptid; |
493 | old_chain = save_inferior_ptid (); | |
c906108c | 494 | |
39f77062 KB |
495 | inferior_ptid = thread_to_lwp (inferior_ptid, PIDGET (main_ph.ptid)); |
496 | if (PIDGET (inferior_ptid) == -1) | |
497 | inferior_ptid = procfs_first_available (); | |
c906108c | 498 | |
39f77062 | 499 | if (PIDGET (ptid) != -1) |
c906108c | 500 | { |
39f77062 | 501 | ptid_t save_ptid = ptid; |
c906108c | 502 | |
39f77062 KB |
503 | ptid = thread_to_lwp (ptid, -2); |
504 | if (PIDGET (ptid) == -2) /* Inactive thread */ | |
c906108c | 505 | error ("This version of Solaris can't start inactive threads."); |
39f77062 KB |
506 | if (info_verbose && PIDGET (ptid) == -1) |
507 | warning ("Specified thread %ld seems to have terminated", | |
508 | GET_THREAD (save_ptid)); | |
c906108c SS |
509 | } |
510 | ||
39f77062 | 511 | rtnval = procfs_ops.to_wait (ptid, ourstatus); |
c906108c SS |
512 | |
513 | if (ourstatus->kind != TARGET_WAITKIND_EXITED) | |
514 | { | |
515 | /* Map the LWP of interest back to the appropriate thread ID */ | |
516 | rtnval = lwp_to_thread (rtnval); | |
39f77062 KB |
517 | if (PIDGET (rtnval) == -1) |
518 | rtnval = save_ptid; | |
c906108c SS |
519 | |
520 | /* See if we have a new thread */ | |
521 | if (is_thread (rtnval) | |
39f77062 | 522 | && !ptid_equal (rtnval, save_ptid) |
c906108c SS |
523 | && !in_thread_list (rtnval)) |
524 | { | |
525 | printf_filtered ("[New %s]\n", target_pid_to_str (rtnval)); | |
526 | add_thread (rtnval); | |
527 | } | |
528 | } | |
529 | ||
530 | /* During process initialization, we may get here without the thread package | |
531 | being initialized, since that can only happen after we've found the shared | |
532 | libs. */ | |
533 | ||
534 | do_cleanups (old_chain); | |
535 | ||
536 | return rtnval; | |
537 | } | |
538 | ||
539 | static void | |
fba45db2 | 540 | sol_thread_fetch_registers (int regno) |
c906108c SS |
541 | { |
542 | thread_t thread; | |
543 | td_thrhandle_t thandle; | |
544 | td_err_e val; | |
545 | prgregset_t gregset; | |
546 | prfpregset_t fpregset; | |
547 | #if 0 | |
548 | int xregsize; | |
549 | caddr_t xregset; | |
550 | #endif | |
551 | ||
39f77062 | 552 | if (!is_thread (inferior_ptid)) |
c5aa993b | 553 | { /* LWP: pass the request on to procfs.c */ |
c906108c SS |
554 | if (target_has_execution) |
555 | procfs_ops.to_fetch_registers (regno); | |
556 | else | |
557 | orig_core_ops.to_fetch_registers (regno); | |
558 | return; | |
559 | } | |
560 | ||
39f77062 | 561 | /* Solaris thread: convert inferior_ptid into a td_thrhandle_t */ |
c906108c | 562 | |
39f77062 | 563 | thread = GET_THREAD (inferior_ptid); |
c906108c SS |
564 | |
565 | if (thread == 0) | |
566 | error ("sol_thread_fetch_registers: thread == 0"); | |
567 | ||
568 | val = p_td_ta_map_id2thr (main_ta, thread, &thandle); | |
569 | if (val != TD_OK) | |
570 | error ("sol_thread_fetch_registers: td_ta_map_id2thr: %s", | |
571 | td_err_string (val)); | |
572 | ||
573 | /* Get the integer regs */ | |
574 | ||
575 | val = p_td_thr_getgregs (&thandle, gregset); | |
576 | if (val != TD_OK | |
577 | && val != TD_PARTIALREG) | |
578 | error ("sol_thread_fetch_registers: td_thr_getgregs %s", | |
579 | td_err_string (val)); | |
580 | ||
581 | /* For the sparc, TD_PARTIALREG means that only i0->i7, l0->l7, pc and sp | |
582 | are saved (by a thread context switch). */ | |
583 | ||
584 | /* And, now the fp regs */ | |
585 | ||
586 | val = p_td_thr_getfpregs (&thandle, &fpregset); | |
587 | if (val != TD_OK | |
588 | && val != TD_NOFPREGS) | |
589 | error ("sol_thread_fetch_registers: td_thr_getfpregs %s", | |
590 | td_err_string (val)); | |
591 | ||
592 | /* Note that we must call supply_{g fp}regset *after* calling the td routines | |
593 | because the td routines call ps_lget* which affect the values stored in the | |
594 | registers array. */ | |
595 | ||
c60c0f5f MS |
596 | supply_gregset ((gdb_gregset_t *) &gregset); |
597 | supply_fpregset ((gdb_fpregset_t *) &fpregset); | |
c906108c SS |
598 | |
599 | #if 0 | |
600 | /* thread_db doesn't seem to handle this right */ | |
601 | val = td_thr_getxregsize (&thandle, &xregsize); | |
602 | if (val != TD_OK && val != TD_NOXREGS) | |
603 | error ("sol_thread_fetch_registers: td_thr_getxregsize %s", | |
604 | td_err_string (val)); | |
605 | ||
606 | if (val == TD_OK) | |
607 | { | |
608 | xregset = alloca (xregsize); | |
609 | val = td_thr_getxregs (&thandle, xregset); | |
610 | if (val != TD_OK) | |
611 | error ("sol_thread_fetch_registers: td_thr_getxregs %s", | |
612 | td_err_string (val)); | |
613 | } | |
614 | #endif | |
615 | } | |
616 | ||
617 | static void | |
fba45db2 | 618 | sol_thread_store_registers (int regno) |
c906108c SS |
619 | { |
620 | thread_t thread; | |
621 | td_thrhandle_t thandle; | |
622 | td_err_e val; | |
c60c0f5f | 623 | prgregset_t gregset; |
c906108c SS |
624 | prfpregset_t fpregset; |
625 | #if 0 | |
626 | int xregsize; | |
627 | caddr_t xregset; | |
628 | #endif | |
629 | ||
39f77062 | 630 | if (!is_thread (inferior_ptid)) |
c5aa993b | 631 | { /* LWP: pass the request on to procfs.c */ |
c906108c SS |
632 | procfs_ops.to_store_registers (regno); |
633 | return; | |
634 | } | |
635 | ||
39f77062 | 636 | /* Solaris thread: convert inferior_ptid into a td_thrhandle_t */ |
c906108c | 637 | |
39f77062 | 638 | thread = GET_THREAD (inferior_ptid); |
c906108c SS |
639 | |
640 | val = p_td_ta_map_id2thr (main_ta, thread, &thandle); | |
641 | if (val != TD_OK) | |
642 | error ("sol_thread_store_registers: td_ta_map_id2thr %s", | |
643 | td_err_string (val)); | |
644 | ||
645 | if (regno != -1) | |
646 | { /* Not writing all the regs */ | |
647 | /* save new register value */ | |
e6cbd02a | 648 | char* old_value = (char*) alloca (REGISTER_SIZE); |
c5aa993b | 649 | memcpy (old_value, ®isters[REGISTER_BYTE (regno)], REGISTER_SIZE); |
c906108c | 650 | |
c60c0f5f | 651 | val = p_td_thr_getgregs (&thandle, gregset); |
c906108c SS |
652 | if (val != TD_OK) |
653 | error ("sol_thread_store_registers: td_thr_getgregs %s", | |
654 | td_err_string (val)); | |
655 | val = p_td_thr_getfpregs (&thandle, &fpregset); | |
656 | if (val != TD_OK) | |
657 | error ("sol_thread_store_registers: td_thr_getfpregs %s", | |
658 | td_err_string (val)); | |
659 | ||
660 | /* restore new register value */ | |
c5aa993b | 661 | memcpy (®isters[REGISTER_BYTE (regno)], old_value, REGISTER_SIZE); |
c906108c SS |
662 | |
663 | #if 0 | |
664 | /* thread_db doesn't seem to handle this right */ | |
665 | val = td_thr_getxregsize (&thandle, &xregsize); | |
666 | if (val != TD_OK && val != TD_NOXREGS) | |
667 | error ("sol_thread_store_registers: td_thr_getxregsize %s", | |
668 | td_err_string (val)); | |
669 | ||
670 | if (val == TD_OK) | |
671 | { | |
672 | xregset = alloca (xregsize); | |
673 | val = td_thr_getxregs (&thandle, xregset); | |
674 | if (val != TD_OK) | |
675 | error ("sol_thread_store_registers: td_thr_getxregs %s", | |
676 | td_err_string (val)); | |
677 | } | |
678 | #endif | |
679 | } | |
680 | ||
c60c0f5f MS |
681 | fill_gregset ((gdb_gregset_t *) &gregset, regno); |
682 | fill_fpregset ((gdb_fpregset_t *) &fpregset, regno); | |
c906108c | 683 | |
c60c0f5f | 684 | val = p_td_thr_setgregs (&thandle, gregset); |
c906108c SS |
685 | if (val != TD_OK) |
686 | error ("sol_thread_store_registers: td_thr_setgregs %s", | |
687 | td_err_string (val)); | |
688 | val = p_td_thr_setfpregs (&thandle, &fpregset); | |
689 | if (val != TD_OK) | |
690 | error ("sol_thread_store_registers: td_thr_setfpregs %s", | |
691 | td_err_string (val)); | |
692 | ||
693 | #if 0 | |
694 | /* thread_db doesn't seem to handle this right */ | |
695 | val = td_thr_getxregsize (&thandle, &xregsize); | |
696 | if (val != TD_OK && val != TD_NOXREGS) | |
697 | error ("sol_thread_store_registers: td_thr_getxregsize %s", | |
698 | td_err_string (val)); | |
699 | ||
700 | /* Should probably do something about writing the xregs here, but what are | |
701 | they? */ | |
702 | #endif | |
703 | } | |
704 | ||
705 | /* Get ready to modify the registers array. On machines which store | |
706 | individual registers, this doesn't need to do anything. On machines | |
707 | which store all the registers in one fell swoop, this makes sure | |
708 | that registers contains all the registers from the program being | |
709 | debugged. */ | |
710 | ||
711 | static void | |
fba45db2 | 712 | sol_thread_prepare_to_store (void) |
c906108c SS |
713 | { |
714 | procfs_ops.to_prepare_to_store (); | |
715 | } | |
716 | ||
c338868a KB |
717 | /* Transfer LEN bytes between GDB address MYADDR and target address |
718 | MEMADDR. If DOWRITE is non-zero, transfer them to the target, | |
719 | otherwise transfer them from the target. TARGET is unused. | |
720 | ||
721 | Returns the number of bytes transferred. */ | |
722 | ||
c906108c | 723 | static int |
c338868a | 724 | sol_thread_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int dowrite, |
f4d650ec | 725 | struct mem_attrib *attrib, |
c338868a | 726 | struct target_ops *target) |
c906108c SS |
727 | { |
728 | int retval; | |
729 | struct cleanup *old_chain; | |
730 | ||
39f77062 | 731 | old_chain = save_inferior_ptid (); |
c906108c | 732 | |
39f77062 KB |
733 | if (is_thread (inferior_ptid) || /* A thread */ |
734 | !target_thread_alive (inferior_ptid)) /* An lwp, but not alive */ | |
735 | inferior_ptid = procfs_first_available (); /* Find any live lwp. */ | |
c906108c SS |
736 | /* Note: don't need to call switch_to_thread; we're just reading memory. */ |
737 | ||
738 | if (target_has_execution) | |
f4d650ec C |
739 | retval = procfs_ops.to_xfer_memory (memaddr, myaddr, len, |
740 | dowrite, attrib, target); | |
c906108c SS |
741 | else |
742 | retval = orig_core_ops.to_xfer_memory (memaddr, myaddr, len, | |
f4d650ec | 743 | dowrite, attrib, target); |
c906108c SS |
744 | |
745 | do_cleanups (old_chain); | |
746 | ||
747 | return retval; | |
748 | } | |
749 | ||
750 | /* Print status information about what we're accessing. */ | |
751 | ||
752 | static void | |
fba45db2 | 753 | sol_thread_files_info (struct target_ops *ignore) |
c906108c SS |
754 | { |
755 | procfs_ops.to_files_info (ignore); | |
756 | } | |
757 | ||
758 | static void | |
fba45db2 | 759 | sol_thread_kill_inferior (void) |
c906108c SS |
760 | { |
761 | procfs_ops.to_kill (); | |
762 | } | |
763 | ||
764 | static void | |
39f77062 | 765 | sol_thread_notice_signals (ptid_t ptid) |
c906108c | 766 | { |
39f77062 | 767 | procfs_ops.to_notice_signals (pid_to_ptid (PIDGET (ptid))); |
c906108c SS |
768 | } |
769 | ||
770 | /* Fork an inferior process, and start debugging it with /proc. */ | |
771 | ||
772 | static void | |
fba45db2 | 773 | sol_thread_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
774 | { |
775 | procfs_ops.to_create_inferior (exec_file, allargs, env); | |
776 | ||
39f77062 | 777 | if (sol_thread_active && !ptid_equal (inferior_ptid, null_ptid)) |
c906108c | 778 | { |
39f77062 | 779 | main_ph.ptid = inferior_ptid; /* Save for xfer_memory */ |
c906108c SS |
780 | |
781 | push_target (&sol_thread_ops); | |
782 | ||
39f77062 KB |
783 | inferior_ptid = lwp_to_thread (inferior_ptid); |
784 | if (PIDGET (inferior_ptid) == -1) | |
785 | inferior_ptid = main_ph.ptid; | |
c906108c | 786 | |
39f77062 KB |
787 | if (!in_thread_list (inferior_ptid)) |
788 | add_thread (inferior_ptid); | |
c906108c SS |
789 | } |
790 | } | |
791 | ||
792 | /* This routine is called whenever a new symbol table is read in, or when all | |
793 | symbol tables are removed. libthread_db can only be initialized when it | |
794 | finds the right variables in libthread.so. Since it's a shared library, | |
795 | those variables don't show up until the library gets mapped and the symbol | |
796 | table is read in. */ | |
797 | ||
11cf8741 JM |
798 | /* This new_objfile event is now managed by a chained function pointer. |
799 | * It is the callee's responsability to call the next client on the chain. | |
800 | */ | |
801 | ||
802 | /* Saved pointer to previous owner of the new_objfile event. */ | |
507f3c78 | 803 | static void (*target_new_objfile_chain) (struct objfile *); |
11cf8741 | 804 | |
c906108c | 805 | void |
fba45db2 | 806 | sol_thread_new_objfile (struct objfile *objfile) |
c906108c SS |
807 | { |
808 | td_err_e val; | |
809 | ||
810 | if (!objfile) | |
811 | { | |
812 | sol_thread_active = 0; | |
11cf8741 | 813 | goto quit; |
c906108c SS |
814 | } |
815 | ||
816 | /* don't do anything if init failed to resolve the libthread_db library */ | |
817 | if (!procfs_suppress_run) | |
11cf8741 | 818 | goto quit; |
c906108c SS |
819 | |
820 | /* Now, initialize the thread debugging library. This needs to be done after | |
821 | the shared libraries are located because it needs information from the | |
822 | user's thread library. */ | |
823 | ||
824 | val = p_td_init (); | |
825 | if (val != TD_OK) | |
11cf8741 JM |
826 | { |
827 | warning ("sol_thread_new_objfile: td_init: %s", td_err_string (val)); | |
828 | goto quit; | |
829 | } | |
c906108c SS |
830 | |
831 | val = p_td_ta_new (&main_ph, &main_ta); | |
832 | if (val == TD_NOLIBTHREAD) | |
11cf8741 | 833 | goto quit; |
c906108c | 834 | else if (val != TD_OK) |
11cf8741 JM |
835 | { |
836 | warning ("sol_thread_new_objfile: td_ta_new: %s", td_err_string (val)); | |
837 | goto quit; | |
838 | } | |
c906108c SS |
839 | |
840 | sol_thread_active = 1; | |
11cf8741 JM |
841 | quit: |
842 | /* Call predecessor on chain, if any. */ | |
843 | if (target_new_objfile_chain) | |
844 | target_new_objfile_chain (objfile); | |
c906108c SS |
845 | } |
846 | ||
847 | /* Clean up after the inferior dies. */ | |
848 | ||
849 | static void | |
fba45db2 | 850 | sol_thread_mourn_inferior (void) |
c906108c SS |
851 | { |
852 | unpush_target (&sol_thread_ops); | |
853 | procfs_ops.to_mourn_inferior (); | |
854 | } | |
855 | ||
856 | /* Mark our target-struct as eligible for stray "run" and "attach" commands. */ | |
857 | ||
858 | static int | |
fba45db2 | 859 | sol_thread_can_run (void) |
c906108c SS |
860 | { |
861 | return procfs_suppress_run; | |
862 | } | |
863 | ||
864 | /* | |
865 | ||
c5aa993b | 866 | LOCAL FUNCTION |
c906108c | 867 | |
c5aa993b | 868 | sol_thread_alive - test thread for "aliveness" |
c906108c | 869 | |
c5aa993b | 870 | SYNOPSIS |
c906108c | 871 | |
39f77062 | 872 | static bool sol_thread_alive (ptid_t ptid); |
c906108c | 873 | |
c5aa993b | 874 | DESCRIPTION |
c906108c | 875 | |
c5aa993b | 876 | returns true if thread still active in inferior. |
c906108c SS |
877 | |
878 | */ | |
879 | ||
880 | static int | |
39f77062 | 881 | sol_thread_alive (ptid_t ptid) |
c906108c | 882 | { |
39f77062 | 883 | if (is_thread (ptid)) /* non-kernel thread */ |
c906108c SS |
884 | { |
885 | td_err_e val; | |
886 | td_thrhandle_t th; | |
39f77062 | 887 | int pid; |
c906108c | 888 | |
39f77062 | 889 | pid = GET_THREAD (ptid); |
c906108c | 890 | if ((val = p_td_ta_map_id2thr (main_ta, pid, &th)) != TD_OK) |
c5aa993b | 891 | return 0; /* thread not found */ |
c906108c | 892 | if ((val = p_td_thr_validate (&th)) != TD_OK) |
c5aa993b JM |
893 | return 0; /* thread not valid */ |
894 | return 1; /* known thread: return true */ | |
c906108c | 895 | } |
c5aa993b JM |
896 | else |
897 | /* kernel thread (LWP): let procfs test it */ | |
c906108c SS |
898 | { |
899 | if (target_has_execution) | |
39f77062 | 900 | return procfs_ops.to_thread_alive (ptid); |
c906108c | 901 | else |
39f77062 | 902 | return orig_core_ops.to_thread_alive (ptid); |
c906108c SS |
903 | } |
904 | } | |
905 | ||
906 | static void | |
fba45db2 | 907 | sol_thread_stop (void) |
c906108c SS |
908 | { |
909 | procfs_ops.to_stop (); | |
910 | } | |
911 | \f | |
912 | /* These routines implement the lower half of the thread_db interface. Ie: the | |
913 | ps_* routines. */ | |
914 | ||
915 | /* Various versions of <proc_service.h> have slightly | |
916 | different function prototypes. In particular, we have | |
917 | ||
c5aa993b JM |
918 | NEWER OLDER |
919 | struct ps_prochandle * const struct ps_prochandle * | |
920 | void* char* | |
921 | const void* char* | |
922 | int size_t | |
c906108c SS |
923 | |
924 | Which one you have depends on solaris version and what | |
925 | patches you've applied. On the theory that there are | |
926 | only two major variants, we have configure check the | |
927 | prototype of ps_pdwrite (), and use that info to make | |
928 | appropriate typedefs here. */ | |
929 | ||
930 | #ifdef PROC_SERVICE_IS_OLD | |
c5aa993b JM |
931 | typedef const struct ps_prochandle *gdb_ps_prochandle_t; |
932 | typedef char *gdb_ps_read_buf_t; | |
933 | typedef char *gdb_ps_write_buf_t; | |
c906108c | 934 | typedef int gdb_ps_size_t; |
291dcb3e | 935 | typedef paddr_t gdb_ps_addr_t; |
c906108c | 936 | #else |
c5aa993b JM |
937 | typedef struct ps_prochandle *gdb_ps_prochandle_t; |
938 | typedef void *gdb_ps_read_buf_t; | |
939 | typedef const void *gdb_ps_write_buf_t; | |
c906108c | 940 | typedef size_t gdb_ps_size_t; |
291dcb3e | 941 | typedef psaddr_t gdb_ps_addr_t; |
c906108c SS |
942 | #endif |
943 | ||
944 | ||
945 | /* The next four routines are called by thread_db to tell us to stop and stop | |
946 | a particular process or lwp. Since GDB ensures that these are all stopped | |
947 | by the time we call anything in thread_db, these routines need to do | |
948 | nothing. */ | |
949 | ||
d4f3574e SS |
950 | /* Process stop */ |
951 | ||
c906108c SS |
952 | ps_err_e |
953 | ps_pstop (gdb_ps_prochandle_t ph) | |
954 | { | |
955 | return PS_OK; | |
956 | } | |
957 | ||
d4f3574e SS |
958 | /* Process continue */ |
959 | ||
c906108c SS |
960 | ps_err_e |
961 | ps_pcontinue (gdb_ps_prochandle_t ph) | |
962 | { | |
963 | return PS_OK; | |
964 | } | |
965 | ||
d4f3574e SS |
966 | /* LWP stop */ |
967 | ||
c906108c SS |
968 | ps_err_e |
969 | ps_lstop (gdb_ps_prochandle_t ph, lwpid_t lwpid) | |
970 | { | |
971 | return PS_OK; | |
972 | } | |
973 | ||
d4f3574e SS |
974 | /* LWP continue */ |
975 | ||
c906108c SS |
976 | ps_err_e |
977 | ps_lcontinue (gdb_ps_prochandle_t ph, lwpid_t lwpid) | |
978 | { | |
979 | return PS_OK; | |
980 | } | |
981 | ||
d4f3574e SS |
982 | /* Looks up the symbol LD_SYMBOL_NAME in the debugger's symbol table. */ |
983 | ||
c906108c SS |
984 | ps_err_e |
985 | ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *ld_object_name, | |
291dcb3e | 986 | const char *ld_symbol_name, gdb_ps_addr_t * ld_symbol_addr) |
c906108c SS |
987 | { |
988 | struct minimal_symbol *ms; | |
989 | ||
990 | ms = lookup_minimal_symbol (ld_symbol_name, NULL, NULL); | |
991 | ||
992 | if (!ms) | |
993 | return PS_NOSYM; | |
994 | ||
995 | *ld_symbol_addr = SYMBOL_VALUE_ADDRESS (ms); | |
996 | ||
997 | return PS_OK; | |
998 | } | |
999 | ||
1000 | /* Common routine for reading and writing memory. */ | |
1001 | ||
1002 | static ps_err_e | |
291dcb3e | 1003 | rw_common (int dowrite, const struct ps_prochandle *ph, gdb_ps_addr_t addr, |
c906108c SS |
1004 | char *buf, int size) |
1005 | { | |
1006 | struct cleanup *old_chain; | |
1007 | ||
39f77062 | 1008 | old_chain = save_inferior_ptid (); |
c906108c | 1009 | |
39f77062 KB |
1010 | if (is_thread (inferior_ptid) || /* A thread */ |
1011 | !target_thread_alive (inferior_ptid)) /* An lwp, but not alive */ | |
1012 | inferior_ptid = procfs_first_available (); /* Find any live lwp. */ | |
c906108c SS |
1013 | /* Note: don't need to call switch_to_thread; we're just reading memory. */ |
1014 | ||
23e04971 MS |
1015 | #if defined (__sparcv9) |
1016 | /* For Sparc64 cross Sparc32, make sure the address has not been | |
1017 | accidentally sign-extended (or whatever) to beyond 32 bits. */ | |
359431fb | 1018 | if (bfd_get_arch_size (exec_bfd) == 32) |
23e04971 MS |
1019 | addr &= 0xffffffff; |
1020 | #endif | |
1021 | ||
c906108c SS |
1022 | while (size > 0) |
1023 | { | |
1024 | int cc; | |
1025 | ||
f4d650ec | 1026 | /* FIXME: passing 0 as attrib argument. */ |
c906108c | 1027 | if (target_has_execution) |
f4d650ec C |
1028 | cc = procfs_ops.to_xfer_memory (addr, buf, size, |
1029 | dowrite, 0, &procfs_ops); | |
c906108c | 1030 | else |
f4d650ec C |
1031 | cc = orig_core_ops.to_xfer_memory (addr, buf, size, |
1032 | dowrite, 0, &core_ops); | |
c906108c SS |
1033 | |
1034 | if (cc < 0) | |
1035 | { | |
1036 | if (dowrite == 0) | |
1037 | print_sys_errmsg ("rw_common (): read", errno); | |
1038 | else | |
1039 | print_sys_errmsg ("rw_common (): write", errno); | |
1040 | ||
1041 | do_cleanups (old_chain); | |
1042 | ||
1043 | return PS_ERR; | |
1044 | } | |
d5cb3e0e MS |
1045 | else if (cc == 0) |
1046 | { | |
1047 | if (dowrite == 0) | |
1048 | warning ("rw_common (): unable to read at addr 0x%lx", | |
1049 | (long) addr); | |
1050 | else | |
1051 | warning ("rw_common (): unable to write at addr 0x%lx", | |
1052 | (long) addr); | |
1053 | ||
1054 | do_cleanups (old_chain); | |
1055 | ||
1056 | return PS_ERR; | |
1057 | } | |
1058 | ||
c906108c SS |
1059 | size -= cc; |
1060 | buf += cc; | |
1061 | } | |
1062 | ||
1063 | do_cleanups (old_chain); | |
1064 | ||
1065 | return PS_OK; | |
1066 | } | |
1067 | ||
d4f3574e SS |
1068 | /* Copies SIZE bytes from target process .data segment to debugger memory. */ |
1069 | ||
c906108c | 1070 | ps_err_e |
291dcb3e | 1071 | ps_pdread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1072 | gdb_ps_read_buf_t buf, gdb_ps_size_t size) |
1073 | { | |
1074 | return rw_common (0, ph, addr, buf, size); | |
1075 | } | |
1076 | ||
d4f3574e SS |
1077 | /* Copies SIZE bytes from debugger memory .data segment to target process. */ |
1078 | ||
c906108c | 1079 | ps_err_e |
291dcb3e | 1080 | ps_pdwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1081 | gdb_ps_write_buf_t buf, gdb_ps_size_t size) |
1082 | { | |
c5aa993b | 1083 | return rw_common (1, ph, addr, (char *) buf, size); |
c906108c SS |
1084 | } |
1085 | ||
d4f3574e SS |
1086 | /* Copies SIZE bytes from target process .text segment to debugger memory. */ |
1087 | ||
c906108c | 1088 | ps_err_e |
291dcb3e | 1089 | ps_ptread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1090 | gdb_ps_read_buf_t buf, gdb_ps_size_t size) |
1091 | { | |
1092 | return rw_common (0, ph, addr, buf, size); | |
1093 | } | |
1094 | ||
d4f3574e SS |
1095 | /* Copies SIZE bytes from debugger memory .text segment to target process. */ |
1096 | ||
c906108c | 1097 | ps_err_e |
291dcb3e | 1098 | ps_ptwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr, |
c906108c SS |
1099 | gdb_ps_write_buf_t buf, gdb_ps_size_t size) |
1100 | { | |
c5aa993b | 1101 | return rw_common (1, ph, addr, (char *) buf, size); |
c906108c SS |
1102 | } |
1103 | ||
d4f3574e | 1104 | /* Get integer regs for LWP */ |
c906108c SS |
1105 | |
1106 | ps_err_e | |
1107 | ps_lgetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
1108 | prgregset_t gregset) | |
1109 | { | |
1110 | struct cleanup *old_chain; | |
1111 | ||
39f77062 | 1112 | old_chain = save_inferior_ptid (); |
c906108c | 1113 | |
39f77062 | 1114 | inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid)); |
c5aa993b | 1115 | |
c906108c SS |
1116 | if (target_has_execution) |
1117 | procfs_ops.to_fetch_registers (-1); | |
1118 | else | |
1119 | orig_core_ops.to_fetch_registers (-1); | |
c60c0f5f | 1120 | fill_gregset ((gdb_gregset_t *) gregset, -1); |
c906108c SS |
1121 | |
1122 | do_cleanups (old_chain); | |
1123 | ||
1124 | return PS_OK; | |
1125 | } | |
1126 | ||
d4f3574e | 1127 | /* Set integer regs for LWP */ |
c906108c SS |
1128 | |
1129 | ps_err_e | |
1130 | ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
1131 | const prgregset_t gregset) | |
1132 | { | |
1133 | struct cleanup *old_chain; | |
1134 | ||
39f77062 | 1135 | old_chain = save_inferior_ptid (); |
c906108c | 1136 | |
39f77062 | 1137 | inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid)); |
c5aa993b | 1138 | |
c60c0f5f | 1139 | supply_gregset ((gdb_gregset_t *) gregset); |
c906108c SS |
1140 | if (target_has_execution) |
1141 | procfs_ops.to_store_registers (-1); | |
1142 | else | |
1143 | orig_core_ops.to_store_registers (-1); | |
1144 | ||
1145 | do_cleanups (old_chain); | |
1146 | ||
1147 | return PS_OK; | |
1148 | } | |
1149 | ||
d4f3574e SS |
1150 | /* Log a message (sends to gdb_stderr). */ |
1151 | ||
c906108c | 1152 | void |
c5aa993b | 1153 | ps_plog (const char *fmt,...) |
c906108c SS |
1154 | { |
1155 | va_list args; | |
1156 | ||
1157 | va_start (args, fmt); | |
1158 | ||
1159 | vfprintf_filtered (gdb_stderr, fmt, args); | |
1160 | } | |
1161 | ||
1162 | /* Get size of extra register set. Currently a noop. */ | |
1163 | ||
1164 | ps_err_e | |
1165 | ps_lgetxregsize (gdb_ps_prochandle_t ph, lwpid_t lwpid, int *xregsize) | |
1166 | { | |
1167 | #if 0 | |
1168 | int lwp_fd; | |
1169 | int regsize; | |
1170 | ps_err_e val; | |
1171 | ||
1172 | val = get_lwp_fd (ph, lwpid, &lwp_fd); | |
1173 | if (val != PS_OK) | |
1174 | return val; | |
1175 | ||
1176 | if (ioctl (lwp_fd, PIOCGXREGSIZE, ®size)) | |
1177 | { | |
1178 | if (errno == EINVAL) | |
1179 | return PS_NOFREGS; /* XXX Wrong code, but this is the closest | |
1180 | thing in proc_service.h */ | |
1181 | ||
1182 | print_sys_errmsg ("ps_lgetxregsize (): PIOCGXREGSIZE", errno); | |
1183 | return PS_ERR; | |
1184 | } | |
1185 | #endif | |
1186 | ||
1187 | return PS_OK; | |
1188 | } | |
1189 | ||
1190 | /* Get extra register set. Currently a noop. */ | |
1191 | ||
1192 | ps_err_e | |
1193 | ps_lgetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset) | |
1194 | { | |
1195 | #if 0 | |
1196 | int lwp_fd; | |
1197 | ps_err_e val; | |
1198 | ||
1199 | val = get_lwp_fd (ph, lwpid, &lwp_fd); | |
1200 | if (val != PS_OK) | |
1201 | return val; | |
1202 | ||
1203 | if (ioctl (lwp_fd, PIOCGXREG, xregset)) | |
1204 | { | |
1205 | print_sys_errmsg ("ps_lgetxregs (): PIOCGXREG", errno); | |
1206 | return PS_ERR; | |
1207 | } | |
1208 | #endif | |
1209 | ||
1210 | return PS_OK; | |
1211 | } | |
1212 | ||
1213 | /* Set extra register set. Currently a noop. */ | |
1214 | ||
1215 | ps_err_e | |
1216 | ps_lsetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset) | |
1217 | { | |
1218 | #if 0 | |
1219 | int lwp_fd; | |
1220 | ps_err_e val; | |
1221 | ||
1222 | val = get_lwp_fd (ph, lwpid, &lwp_fd); | |
1223 | if (val != PS_OK) | |
1224 | return val; | |
1225 | ||
1226 | if (ioctl (lwp_fd, PIOCSXREG, xregset)) | |
1227 | { | |
1228 | print_sys_errmsg ("ps_lsetxregs (): PIOCSXREG", errno); | |
1229 | return PS_ERR; | |
1230 | } | |
1231 | #endif | |
1232 | ||
1233 | return PS_OK; | |
1234 | } | |
1235 | ||
d4f3574e | 1236 | /* Get floating-point regs for LWP */ |
c906108c SS |
1237 | |
1238 | ps_err_e | |
1239 | ps_lgetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
c5aa993b | 1240 | prfpregset_t * fpregset) |
c906108c SS |
1241 | { |
1242 | struct cleanup *old_chain; | |
1243 | ||
39f77062 | 1244 | old_chain = save_inferior_ptid (); |
c906108c | 1245 | |
39f77062 | 1246 | inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid)); |
c906108c SS |
1247 | |
1248 | if (target_has_execution) | |
1249 | procfs_ops.to_fetch_registers (-1); | |
1250 | else | |
1251 | orig_core_ops.to_fetch_registers (-1); | |
c60c0f5f | 1252 | fill_fpregset ((gdb_fpregset_t *) fpregset, -1); |
c906108c SS |
1253 | |
1254 | do_cleanups (old_chain); | |
1255 | ||
1256 | return PS_OK; | |
1257 | } | |
1258 | ||
d4f3574e | 1259 | /* Set floating-point regs for LWP */ |
c906108c SS |
1260 | |
1261 | ps_err_e | |
1262 | ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
c5aa993b | 1263 | const prfpregset_t * fpregset) |
c906108c SS |
1264 | { |
1265 | struct cleanup *old_chain; | |
1266 | ||
39f77062 | 1267 | old_chain = save_inferior_ptid (); |
c906108c | 1268 | |
39f77062 | 1269 | inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid)); |
c5aa993b | 1270 | |
c60c0f5f | 1271 | supply_fpregset ((gdb_fpregset_t *) fpregset); |
c906108c SS |
1272 | if (target_has_execution) |
1273 | procfs_ops.to_store_registers (-1); | |
1274 | else | |
1275 | orig_core_ops.to_store_registers (-1); | |
1276 | ||
1277 | do_cleanups (old_chain); | |
1278 | ||
1279 | return PS_OK; | |
1280 | } | |
1281 | ||
23715f29 | 1282 | #ifdef PR_MODEL_LP64 |
23e04971 MS |
1283 | /* Identify process as 32-bit or 64-bit. |
1284 | At the moment I'm using bfd to do this. | |
1285 | There might be a more solaris-specific (eg. procfs) method, | |
1286 | but this ought to work. */ | |
1287 | ||
1288 | ps_err_e | |
1289 | ps_pdmodel (gdb_ps_prochandle_t ph, int *data_model) | |
1290 | { | |
1291 | if (exec_bfd == 0) | |
a95ac8b6 PS |
1292 | *data_model = PR_MODEL_UNKNOWN; |
1293 | else if (bfd_get_arch_size (exec_bfd) == 32) | |
23e04971 MS |
1294 | *data_model = PR_MODEL_ILP32; |
1295 | else | |
1296 | *data_model = PR_MODEL_LP64; | |
1297 | ||
1298 | return PS_OK; | |
1299 | } | |
23715f29 | 1300 | #endif /* PR_MODEL_LP64 */ |
23e04971 | 1301 | |
c906108c SS |
1302 | #ifdef TM_I386SOL2_H |
1303 | ||
d4f3574e SS |
1304 | /* Reads the local descriptor table of a LWP. */ |
1305 | ||
c906108c SS |
1306 | ps_err_e |
1307 | ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid, | |
1308 | struct ssd *pldt) | |
1309 | { | |
05e28a7b | 1310 | /* NOTE: only used on Solaris, therefore OK to refer to procfs.c */ |
39f77062 | 1311 | extern struct ssd *procfs_find_LDT_entry (ptid_t); |
05e28a7b | 1312 | struct ssd *ret; |
c906108c | 1313 | |
2f09097b ND |
1314 | /* FIXME: can't I get the process ID from the prochandle or something? |
1315 | */ | |
1316 | ||
39f77062 | 1317 | if (PIDGET (inferior_ptid) <= 0 || lwpid <= 0) |
2f09097b ND |
1318 | return PS_BADLID; |
1319 | ||
39f77062 | 1320 | ret = procfs_find_LDT_entry (BUILD_LWP (lwpid, PIDGET (inferior_ptid))); |
05e28a7b | 1321 | if (ret) |
c906108c | 1322 | { |
05e28a7b AC |
1323 | memcpy (pldt, ret, sizeof (struct ssd)); |
1324 | return PS_OK; | |
c906108c | 1325 | } |
05e28a7b | 1326 | else /* LDT not found. */ |
c906108c | 1327 | return PS_ERR; |
c5aa993b | 1328 | } |
c906108c SS |
1329 | #endif /* TM_I386SOL2_H */ |
1330 | \f | |
1331 | /* Convert a pid to printable form. */ | |
1332 | ||
1333 | char * | |
39f77062 | 1334 | solaris_pid_to_str (ptid_t ptid) |
c906108c SS |
1335 | { |
1336 | static char buf[100]; | |
1337 | ||
1338 | /* in case init failed to resolve the libthread_db library */ | |
1339 | if (!procfs_suppress_run) | |
39f77062 | 1340 | return procfs_pid_to_str (ptid); |
c906108c | 1341 | |
39f77062 | 1342 | if (is_thread (ptid)) |
c906108c | 1343 | { |
39f77062 | 1344 | ptid_t lwp; |
c906108c | 1345 | |
39f77062 | 1346 | lwp = thread_to_lwp (ptid, -2); |
c906108c | 1347 | |
39f77062 KB |
1348 | if (PIDGET (lwp) == -1) |
1349 | sprintf (buf, "Thread %ld (defunct)", GET_THREAD (ptid)); | |
1350 | else if (PIDGET (lwp) != -2) | |
1351 | sprintf (buf, "Thread %ld (LWP %ld)", GET_THREAD (ptid), GET_LWP (lwp)); | |
c906108c | 1352 | else |
39f77062 | 1353 | sprintf (buf, "Thread %ld ", GET_THREAD (ptid)); |
c906108c | 1354 | } |
39f77062 KB |
1355 | else if (GET_LWP (ptid) != 0) |
1356 | sprintf (buf, "LWP %ld ", GET_LWP (ptid)); | |
c906108c | 1357 | else |
39f77062 | 1358 | sprintf (buf, "process %d ", PIDGET (ptid)); |
c906108c SS |
1359 | |
1360 | return buf; | |
1361 | } | |
1362 | \f | |
1363 | ||
1364 | /* Worker bee for find_new_threads | |
1365 | Callback function that gets called once per USER thread (i.e., not | |
1366 | kernel) thread. */ | |
1367 | ||
1368 | static int | |
fba45db2 | 1369 | sol_find_new_threads_callback (const td_thrhandle_t *th, void *ignored) |
c906108c SS |
1370 | { |
1371 | td_err_e retval; | |
1372 | td_thrinfo_t ti; | |
39f77062 | 1373 | ptid_t ptid; |
c906108c | 1374 | |
c5aa993b | 1375 | if ((retval = p_td_thr_get_info (th, &ti)) != TD_OK) |
c906108c SS |
1376 | { |
1377 | return -1; | |
1378 | } | |
39f77062 KB |
1379 | ptid = BUILD_THREAD (ti.ti_tid, PIDGET (inferior_ptid)); |
1380 | if (!in_thread_list (ptid)) | |
1381 | add_thread (ptid); | |
c906108c SS |
1382 | |
1383 | return 0; | |
1384 | } | |
1385 | ||
d4f3574e | 1386 | static void |
fba45db2 | 1387 | sol_find_new_threads (void) |
c906108c SS |
1388 | { |
1389 | /* don't do anything if init failed to resolve the libthread_db library */ | |
1390 | if (!procfs_suppress_run) | |
1391 | return; | |
1392 | ||
39f77062 | 1393 | if (PIDGET (inferior_ptid) == -1) |
c906108c | 1394 | { |
c5aa993b | 1395 | printf_filtered ("No process.\n"); |
c906108c SS |
1396 | return; |
1397 | } | |
39f77062 | 1398 | procfs_ops.to_find_new_threads (); /* first find new kernel threads */ |
c5aa993b | 1399 | p_td_ta_thr_iter (main_ta, sol_find_new_threads_callback, (void *) 0, |
c906108c SS |
1400 | TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY, |
1401 | TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS); | |
1402 | } | |
1403 | ||
1404 | static void | |
fba45db2 | 1405 | sol_core_open (char *filename, int from_tty) |
c906108c SS |
1406 | { |
1407 | orig_core_ops.to_open (filename, from_tty); | |
1408 | } | |
1409 | ||
1410 | static void | |
fba45db2 | 1411 | sol_core_close (int quitting) |
c906108c SS |
1412 | { |
1413 | orig_core_ops.to_close (quitting); | |
1414 | } | |
1415 | ||
1416 | static void | |
fba45db2 | 1417 | sol_core_detach (char *args, int from_tty) |
c906108c SS |
1418 | { |
1419 | unpush_target (&core_ops); | |
1420 | orig_core_ops.to_detach (args, from_tty); | |
1421 | } | |
1422 | ||
1423 | static void | |
fba45db2 | 1424 | sol_core_files_info (struct target_ops *t) |
c906108c SS |
1425 | { |
1426 | orig_core_ops.to_files_info (t); | |
1427 | } | |
1428 | ||
c906108c SS |
1429 | /* Worker bee for info sol-thread command. This is a callback function that |
1430 | gets called once for each Solaris thread (ie. not kernel thread) in the | |
1431 | inferior. Print anything interesting that we can think of. */ | |
1432 | ||
c5aa993b | 1433 | static int |
fba45db2 | 1434 | info_cb (const td_thrhandle_t *th, void *s) |
c906108c SS |
1435 | { |
1436 | td_err_e ret; | |
1437 | td_thrinfo_t ti; | |
c906108c SS |
1438 | |
1439 | if ((ret = p_td_thr_get_info (th, &ti)) == TD_OK) | |
1440 | { | |
c5aa993b JM |
1441 | printf_filtered ("%s thread #%d, lwp %d, ", |
1442 | ti.ti_type == TD_THR_SYSTEM ? "system" : "user ", | |
c906108c | 1443 | ti.ti_tid, ti.ti_lid); |
c5aa993b JM |
1444 | switch (ti.ti_state) |
1445 | { | |
c906108c | 1446 | default: |
c5aa993b JM |
1447 | case TD_THR_UNKNOWN: |
1448 | printf_filtered ("<unknown state>"); | |
1449 | break; | |
1450 | case TD_THR_STOPPED: | |
1451 | printf_filtered ("(stopped)"); | |
1452 | break; | |
1453 | case TD_THR_RUN: | |
1454 | printf_filtered ("(run) "); | |
1455 | break; | |
1456 | case TD_THR_ACTIVE: | |
1457 | printf_filtered ("(active) "); | |
1458 | break; | |
1459 | case TD_THR_ZOMBIE: | |
1460 | printf_filtered ("(zombie) "); | |
1461 | break; | |
1462 | case TD_THR_SLEEP: | |
1463 | printf_filtered ("(asleep) "); | |
1464 | break; | |
1465 | case TD_THR_STOPPED_ASLEEP: | |
1466 | printf_filtered ("(stopped asleep)"); | |
1467 | break; | |
1468 | } | |
c906108c SS |
1469 | /* Print thr_create start function: */ |
1470 | if (ti.ti_startfunc != 0) | |
4ce44c66 JM |
1471 | { |
1472 | struct minimal_symbol *msym; | |
1473 | msym = lookup_minimal_symbol_by_pc (ti.ti_startfunc); | |
1474 | if (msym) | |
1475 | printf_filtered (" startfunc: %s\n", SYMBOL_NAME (msym)); | |
1476 | else | |
1477 | printf_filtered (" startfunc: 0x%s\n", paddr (ti.ti_startfunc)); | |
1478 | } | |
c906108c SS |
1479 | |
1480 | /* If thread is asleep, print function that went to sleep: */ | |
1481 | if (ti.ti_state == TD_THR_SLEEP) | |
4ce44c66 JM |
1482 | { |
1483 | struct minimal_symbol *msym; | |
1484 | msym = lookup_minimal_symbol_by_pc (ti.ti_pc); | |
1485 | if (msym) | |
1486 | printf_filtered (" - Sleep func: %s\n", SYMBOL_NAME (msym)); | |
1487 | else | |
1488 | printf_filtered (" - Sleep func: 0x%s\n", paddr (ti.ti_startfunc)); | |
1489 | } | |
c906108c SS |
1490 | |
1491 | /* Wrap up line, if necessary */ | |
1492 | if (ti.ti_state != TD_THR_SLEEP && ti.ti_startfunc == 0) | |
1493 | printf_filtered ("\n"); /* don't you hate counting newlines? */ | |
1494 | } | |
1495 | else | |
1496 | warning ("info sol-thread: failed to get info for thread."); | |
1497 | ||
c5aa993b | 1498 | return 0; |
c906108c SS |
1499 | } |
1500 | ||
1501 | /* List some state about each Solaris user thread in the inferior. */ | |
1502 | ||
1503 | static void | |
fba45db2 | 1504 | info_solthreads (char *args, int from_tty) |
c906108c | 1505 | { |
c5aa993b | 1506 | p_td_ta_thr_iter (main_ta, info_cb, args, |
c906108c SS |
1507 | TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY, |
1508 | TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS); | |
1509 | } | |
c906108c SS |
1510 | |
1511 | static int | |
fba45db2 | 1512 | ignore (CORE_ADDR addr, char *contents) |
c906108c SS |
1513 | { |
1514 | return 0; | |
1515 | } | |
1516 | ||
1517 | ||
1518 | static void | |
fba45db2 | 1519 | init_sol_thread_ops (void) |
c906108c SS |
1520 | { |
1521 | sol_thread_ops.to_shortname = "solaris-threads"; | |
1522 | sol_thread_ops.to_longname = "Solaris threads and pthread."; | |
1523 | sol_thread_ops.to_doc = "Solaris threads and pthread support."; | |
1524 | sol_thread_ops.to_open = sol_thread_open; | |
1525 | sol_thread_ops.to_close = 0; | |
1526 | sol_thread_ops.to_attach = sol_thread_attach; | |
1527 | sol_thread_ops.to_detach = sol_thread_detach; | |
1528 | sol_thread_ops.to_resume = sol_thread_resume; | |
1529 | sol_thread_ops.to_wait = sol_thread_wait; | |
1530 | sol_thread_ops.to_fetch_registers = sol_thread_fetch_registers; | |
1531 | sol_thread_ops.to_store_registers = sol_thread_store_registers; | |
1532 | sol_thread_ops.to_prepare_to_store = sol_thread_prepare_to_store; | |
1533 | sol_thread_ops.to_xfer_memory = sol_thread_xfer_memory; | |
1534 | sol_thread_ops.to_files_info = sol_thread_files_info; | |
1535 | sol_thread_ops.to_insert_breakpoint = memory_insert_breakpoint; | |
1536 | sol_thread_ops.to_remove_breakpoint = memory_remove_breakpoint; | |
1537 | sol_thread_ops.to_terminal_init = terminal_init_inferior; | |
1538 | sol_thread_ops.to_terminal_inferior = terminal_inferior; | |
1539 | sol_thread_ops.to_terminal_ours_for_output = terminal_ours_for_output; | |
1540 | sol_thread_ops.to_terminal_ours = terminal_ours; | |
1541 | sol_thread_ops.to_terminal_info = child_terminal_info; | |
1542 | sol_thread_ops.to_kill = sol_thread_kill_inferior; | |
1543 | sol_thread_ops.to_load = 0; | |
1544 | sol_thread_ops.to_lookup_symbol = 0; | |
1545 | sol_thread_ops.to_create_inferior = sol_thread_create_inferior; | |
1546 | sol_thread_ops.to_mourn_inferior = sol_thread_mourn_inferior; | |
1547 | sol_thread_ops.to_can_run = sol_thread_can_run; | |
1548 | sol_thread_ops.to_notice_signals = sol_thread_notice_signals; | |
1549 | sol_thread_ops.to_thread_alive = sol_thread_alive; | |
ed9a39eb | 1550 | sol_thread_ops.to_pid_to_str = solaris_pid_to_str; |
b83266a0 | 1551 | sol_thread_ops.to_find_new_threads = sol_find_new_threads; |
c906108c SS |
1552 | sol_thread_ops.to_stop = sol_thread_stop; |
1553 | sol_thread_ops.to_stratum = process_stratum; | |
1554 | sol_thread_ops.to_has_all_memory = 1; | |
1555 | sol_thread_ops.to_has_memory = 1; | |
1556 | sol_thread_ops.to_has_stack = 1; | |
1557 | sol_thread_ops.to_has_registers = 1; | |
1558 | sol_thread_ops.to_has_execution = 1; | |
1559 | sol_thread_ops.to_has_thread_control = tc_none; | |
1560 | sol_thread_ops.to_sections = 0; | |
1561 | sol_thread_ops.to_sections_end = 0; | |
1562 | sol_thread_ops.to_magic = OPS_MAGIC; | |
1563 | } | |
1564 | ||
1565 | ||
1566 | static void | |
fba45db2 | 1567 | init_sol_core_ops (void) |
c906108c | 1568 | { |
c5aa993b JM |
1569 | sol_core_ops.to_shortname = "solaris-core"; |
1570 | sol_core_ops.to_longname = "Solaris core threads and pthread."; | |
1571 | sol_core_ops.to_doc = "Solaris threads and pthread support for core files."; | |
1572 | sol_core_ops.to_open = sol_core_open; | |
1573 | sol_core_ops.to_close = sol_core_close; | |
1574 | sol_core_ops.to_attach = sol_thread_attach; | |
1575 | sol_core_ops.to_detach = sol_core_detach; | |
c906108c | 1576 | /* sol_core_ops.to_resume = 0; */ |
c5aa993b JM |
1577 | /* sol_core_ops.to_wait = 0; */ |
1578 | sol_core_ops.to_fetch_registers = sol_thread_fetch_registers; | |
c906108c SS |
1579 | /* sol_core_ops.to_store_registers = 0; */ |
1580 | /* sol_core_ops.to_prepare_to_store = 0; */ | |
c5aa993b JM |
1581 | sol_core_ops.to_xfer_memory = sol_thread_xfer_memory; |
1582 | sol_core_ops.to_files_info = sol_core_files_info; | |
1583 | sol_core_ops.to_insert_breakpoint = ignore; | |
1584 | sol_core_ops.to_remove_breakpoint = ignore; | |
c906108c SS |
1585 | /* sol_core_ops.to_terminal_init = 0; */ |
1586 | /* sol_core_ops.to_terminal_inferior = 0; */ | |
1587 | /* sol_core_ops.to_terminal_ours_for_output = 0; */ | |
1588 | /* sol_core_ops.to_terminal_ours = 0; */ | |
1589 | /* sol_core_ops.to_terminal_info = 0; */ | |
1590 | /* sol_core_ops.to_kill = 0; */ | |
1591 | /* sol_core_ops.to_load = 0; */ | |
1592 | /* sol_core_ops.to_lookup_symbol = 0; */ | |
c5aa993b JM |
1593 | sol_core_ops.to_create_inferior = sol_thread_create_inferior; |
1594 | sol_core_ops.to_stratum = core_stratum; | |
1595 | sol_core_ops.to_has_all_memory = 0; | |
1596 | sol_core_ops.to_has_memory = 1; | |
1597 | sol_core_ops.to_has_stack = 1; | |
1598 | sol_core_ops.to_has_registers = 1; | |
1599 | sol_core_ops.to_has_execution = 0; | |
1600 | sol_core_ops.to_has_thread_control = tc_none; | |
db348f27 | 1601 | sol_core_ops.to_thread_alive = sol_thread_alive; |
ed9a39eb | 1602 | sol_core_ops.to_pid_to_str = solaris_pid_to_str; |
db348f27 ND |
1603 | /* On Solaris/x86, when debugging a threaded core file from process <n>, |
1604 | the following causes "info threads" to produce "procfs: couldn't find pid | |
1605 | <n> in procinfo list" where <n> is the pid of the process that produced | |
1606 | the core file. Disable it for now. */ | |
1607 | /* sol_core_ops.to_find_new_threads = sol_find_new_threads; */ | |
c5aa993b JM |
1608 | sol_core_ops.to_sections = 0; |
1609 | sol_core_ops.to_sections_end = 0; | |
1610 | sol_core_ops.to_magic = OPS_MAGIC; | |
c906108c SS |
1611 | } |
1612 | ||
1613 | /* we suppress the call to add_target of core_ops in corelow because | |
1614 | if there are two targets in the stratum core_stratum, find_core_target | |
1615 | won't know which one to return. see corelow.c for an additonal | |
1616 | comment on coreops_suppress_target. */ | |
1617 | int coreops_suppress_target = 1; | |
1618 | ||
1619 | void | |
fba45db2 | 1620 | _initialize_sol_thread (void) |
c906108c SS |
1621 | { |
1622 | void *dlhandle; | |
1623 | ||
1624 | init_sol_thread_ops (); | |
1625 | init_sol_core_ops (); | |
1626 | ||
1627 | dlhandle = dlopen ("libthread_db.so.1", RTLD_NOW); | |
1628 | if (!dlhandle) | |
1629 | goto die; | |
1630 | ||
1631 | #define resolve(X) \ | |
1632 | if (!(p_##X = dlsym (dlhandle, #X))) \ | |
1633 | goto die; | |
1634 | ||
1635 | resolve (td_log); | |
1636 | resolve (td_ta_new); | |
1637 | resolve (td_ta_delete); | |
1638 | resolve (td_init); | |
1639 | resolve (td_ta_get_ph); | |
1640 | resolve (td_ta_get_nthreads); | |
1641 | resolve (td_ta_tsd_iter); | |
1642 | resolve (td_ta_thr_iter); | |
1643 | resolve (td_thr_validate); | |
1644 | resolve (td_thr_tsd); | |
1645 | resolve (td_thr_get_info); | |
1646 | resolve (td_thr_getfpregs); | |
1647 | resolve (td_thr_getxregsize); | |
1648 | resolve (td_thr_getxregs); | |
1649 | resolve (td_thr_sigsetmask); | |
1650 | resolve (td_thr_setprio); | |
1651 | resolve (td_thr_setsigpending); | |
1652 | resolve (td_thr_setfpregs); | |
1653 | resolve (td_thr_setxregs); | |
1654 | resolve (td_ta_map_id2thr); | |
1655 | resolve (td_ta_map_lwp2thr); | |
1656 | resolve (td_thr_getgregs); | |
1657 | resolve (td_thr_setgregs); | |
1658 | ||
1659 | add_target (&sol_thread_ops); | |
1660 | ||
1661 | procfs_suppress_run = 1; | |
1662 | ||
c5aa993b JM |
1663 | add_cmd ("sol-threads", class_maintenance, info_solthreads, |
1664 | "Show info on Solaris user threads.\n", &maintenanceinfolist); | |
c906108c | 1665 | |
c5aa993b JM |
1666 | memcpy (&orig_core_ops, &core_ops, sizeof (struct target_ops)); |
1667 | memcpy (&core_ops, &sol_core_ops, sizeof (struct target_ops)); | |
c906108c SS |
1668 | add_target (&core_ops); |
1669 | ||
11cf8741 JM |
1670 | /* Hook into new_objfile notification. */ |
1671 | target_new_objfile_chain = target_new_objfile_hook; | |
1672 | target_new_objfile_hook = sol_thread_new_objfile; | |
c906108c SS |
1673 | return; |
1674 | ||
c5aa993b | 1675 | die: |
c906108c SS |
1676 | |
1677 | fprintf_unfiltered (gdb_stderr, "[GDB will not be able to debug user-mode threads: %s]\n", dlerror ()); | |
1678 | ||
1679 | if (dlhandle) | |
1680 | dlclose (dlhandle); | |
1681 | ||
1682 | /* allow the user to debug non-threaded core files */ | |
c5aa993b | 1683 | add_target (&core_ops); |
c906108c SS |
1684 | |
1685 | return; | |
1686 | } |