Commit | Line | Data |
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ce3a066d | 1 | /* Target operations for the remote server for GDB. |
b811d2c2 | 2 | Copyright (C) 2002-2020 Free Software Foundation, Inc. |
ce3a066d DJ |
3 | |
4 | Contributed by MontaVista Software. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
ce3a066d DJ |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
ce3a066d DJ |
20 | |
21 | #include "server.h" | |
c144c7a0 | 22 | #include "tracepoint.h" |
d59b55f0 | 23 | #include "gdbsupport/byte-vector.h" |
ea06bbaa | 24 | #include "hostio.h" |
c9b7b804 TBA |
25 | #include <fcntl.h> |
26 | #include <unistd.h> | |
27 | #include <sys/types.h> | |
28 | #include <sys/stat.h> | |
ce3a066d | 29 | |
5b6d1e4f | 30 | process_stratum_target *the_target; |
ce3a066d | 31 | |
f0db101d | 32 | int |
f557a88a | 33 | set_desired_thread () |
0d62e5e8 | 34 | { |
c12a5089 SC |
35 | client_state &cs = get_client_state (); |
36 | thread_info *found = find_thread_ptid (cs.general_thread); | |
0d62e5e8 | 37 | |
f0db101d PA |
38 | current_thread = found; |
39 | return (current_thread != NULL); | |
0d62e5e8 DJ |
40 | } |
41 | ||
a67a9fae PA |
42 | /* The thread that was current before prepare_to_access_memory was |
43 | called. done_accessing_memory uses this to restore the previous | |
44 | selected thread. */ | |
45 | static ptid_t prev_general_thread; | |
46 | ||
47 | /* See target.h. */ | |
48 | ||
49 | int | |
50 | prepare_to_access_memory (void) | |
51 | { | |
c12a5089 SC |
52 | client_state &cs = get_client_state (); |
53 | ||
bac608e7 SM |
54 | /* The first thread found. */ |
55 | struct thread_info *first = NULL; | |
56 | /* The first stopped thread found. */ | |
57 | struct thread_info *stopped = NULL; | |
58 | /* The current general thread, if found. */ | |
59 | struct thread_info *current = NULL; | |
a67a9fae | 60 | |
bac608e7 SM |
61 | /* Save the general thread value, since prepare_to_access_memory could change |
62 | it. */ | |
c12a5089 | 63 | prev_general_thread = cs.general_thread; |
a67a9fae | 64 | |
79b44087 TBA |
65 | int res = the_target->pt->prepare_to_access_memory (); |
66 | if (res != 0) | |
67 | return res; | |
a67a9fae | 68 | |
bac608e7 SM |
69 | for_each_thread (prev_general_thread.pid (), [&] (thread_info *thread) |
70 | { | |
71 | if (mythread_alive (thread->id)) | |
72 | { | |
68119632 TBA |
73 | if (stopped == NULL && the_target->pt->supports_thread_stopped () |
74 | && target_thread_stopped (thread)) | |
bac608e7 SM |
75 | stopped = thread; |
76 | ||
77 | if (first == NULL) | |
78 | first = thread; | |
79 | ||
80 | if (current == NULL && prev_general_thread == thread->id) | |
81 | current = thread; | |
82 | } | |
83 | }); | |
84 | ||
85 | /* The thread we end up choosing. */ | |
86 | struct thread_info *thread; | |
a67a9fae PA |
87 | |
88 | /* Prefer a stopped thread. If none is found, try the current | |
89 | thread. Otherwise, take the first thread in the process. If | |
90 | none is found, undo the effects of | |
91 | target->prepare_to_access_memory() and return error. */ | |
bac608e7 SM |
92 | if (stopped != NULL) |
93 | thread = stopped; | |
94 | else if (current != NULL) | |
95 | thread = current; | |
96 | else if (first != NULL) | |
97 | thread = first; | |
a67a9fae PA |
98 | else |
99 | { | |
100 | done_accessing_memory (); | |
101 | return 1; | |
102 | } | |
103 | ||
104 | current_thread = thread; | |
c12a5089 | 105 | cs.general_thread = ptid_of (thread); |
a67a9fae PA |
106 | |
107 | return 0; | |
108 | } | |
109 | ||
110 | /* See target.h. */ | |
111 | ||
112 | void | |
113 | done_accessing_memory (void) | |
114 | { | |
c12a5089 SC |
115 | client_state &cs = get_client_state (); |
116 | ||
79b44087 | 117 | the_target->pt->done_accessing_memory (); |
a67a9fae PA |
118 | |
119 | /* Restore the previous selected thread. */ | |
c12a5089 | 120 | cs.general_thread = prev_general_thread; |
5b6d1e4f | 121 | switch_to_thread (the_target, cs.general_thread); |
a67a9fae PA |
122 | } |
123 | ||
c3e735a6 | 124 | int |
f450004a | 125 | read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len) |
611cb4a5 | 126 | { |
c3e735a6 | 127 | int res; |
e2558df3 | 128 | res = the_target->pt->read_memory (memaddr, myaddr, len); |
611cb4a5 | 129 | check_mem_read (memaddr, myaddr, len); |
c3e735a6 | 130 | return res; |
611cb4a5 DJ |
131 | } |
132 | ||
721ec300 GB |
133 | /* See target/target.h. */ |
134 | ||
135 | int | |
136 | target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
137 | { | |
138 | return read_inferior_memory (memaddr, myaddr, len); | |
139 | } | |
140 | ||
141 | /* See target/target.h. */ | |
142 | ||
143 | int | |
144 | target_read_uint32 (CORE_ADDR memaddr, uint32_t *result) | |
145 | { | |
146 | return read_inferior_memory (memaddr, (gdb_byte *) result, sizeof (*result)); | |
147 | } | |
148 | ||
4196ab2a TT |
149 | /* See target/target.h. */ |
150 | ||
611cb4a5 | 151 | int |
4196ab2a TT |
152 | target_write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, |
153 | ssize_t len) | |
0d62e5e8 | 154 | { |
c6778d00 TT |
155 | /* Make a copy of the data because check_mem_write may need to |
156 | update it. */ | |
d59b55f0 | 157 | gdb::byte_vector buffer (myaddr, myaddr + len); |
c6778d00 | 158 | check_mem_write (memaddr, buffer.data (), myaddr, len); |
e2558df3 | 159 | return the_target->pt->write_memory (memaddr, buffer.data (), len); |
0d62e5e8 DJ |
160 | } |
161 | ||
95954743 PA |
162 | ptid_t |
163 | mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, | |
bd99dc85 | 164 | int connected_wait) |
611cb4a5 | 165 | { |
95954743 | 166 | ptid_t ret; |
0d62e5e8 DJ |
167 | |
168 | if (connected_wait) | |
169 | server_waiting = 1; | |
170 | ||
f2b9e3df | 171 | ret = target_wait (ptid, ourstatus, options); |
bd99dc85 | 172 | |
4210d83e PA |
173 | /* We don't expose _LOADED events to gdbserver core. See the |
174 | `dlls_changed' global. */ | |
175 | if (ourstatus->kind == TARGET_WAITKIND_LOADED) | |
176 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
177 | ||
1a3d890b PA |
178 | /* If GDB is connected through TCP/serial, then GDBserver will most |
179 | probably be running on its own terminal/console, so it's nice to | |
180 | print there why is GDBserver exiting. If however, GDB is | |
181 | connected through stdio, then there's no need to spam the GDB | |
182 | console with this -- the user will already see the exit through | |
183 | regular GDB output, in that same terminal. */ | |
184 | if (!remote_connection_is_stdio ()) | |
185 | { | |
186 | if (ourstatus->kind == TARGET_WAITKIND_EXITED) | |
187 | fprintf (stderr, | |
188 | "\nChild exited with status %d\n", ourstatus->value.integer); | |
189 | else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED) | |
190 | fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n", | |
191 | gdb_signal_to_host (ourstatus->value.sig), | |
192 | gdb_signal_to_name (ourstatus->value.sig)); | |
193 | } | |
0d62e5e8 DJ |
194 | |
195 | if (connected_wait) | |
196 | server_waiting = 0; | |
197 | ||
198 | return ret; | |
611cb4a5 DJ |
199 | } |
200 | ||
f8c1d06b GB |
201 | /* See target/target.h. */ |
202 | ||
203 | void | |
03f4463b | 204 | target_stop_and_wait (ptid_t ptid) |
f8c1d06b GB |
205 | { |
206 | struct target_waitstatus status; | |
3e6ec53a | 207 | bool was_non_stop = non_stop; |
17e16485 | 208 | struct thread_resume resume_info; |
f8c1d06b | 209 | |
17e16485 YQ |
210 | resume_info.thread = ptid; |
211 | resume_info.kind = resume_stop; | |
212 | resume_info.sig = GDB_SIGNAL_0; | |
0e4d7e35 | 213 | the_target->pt->resume (&resume_info, 1); |
f8c1d06b | 214 | |
3e6ec53a | 215 | non_stop = true; |
f8c1d06b GB |
216 | mywait (ptid, &status, 0, 0); |
217 | non_stop = was_non_stop; | |
218 | } | |
219 | ||
220 | /* See target/target.h. */ | |
221 | ||
f2b9e3df SDJ |
222 | ptid_t |
223 | target_wait (ptid_t ptid, struct target_waitstatus *status, int options) | |
224 | { | |
6532e7e3 | 225 | return the_target->pt->wait (ptid, status, options); |
f2b9e3df SDJ |
226 | } |
227 | ||
228 | /* See target/target.h. */ | |
229 | ||
bc1e6c81 SDJ |
230 | void |
231 | target_mourn_inferior (ptid_t ptid) | |
232 | { | |
8adb37b9 | 233 | the_target->pt->mourn (find_process_pid (ptid.pid ())); |
bc1e6c81 SDJ |
234 | } |
235 | ||
236 | /* See target/target.h. */ | |
237 | ||
f8c1d06b | 238 | void |
03f4463b | 239 | target_continue_no_signal (ptid_t ptid) |
f8c1d06b GB |
240 | { |
241 | struct thread_resume resume_info; | |
242 | ||
243 | resume_info.thread = ptid; | |
244 | resume_info.kind = resume_continue; | |
245 | resume_info.sig = GDB_SIGNAL_0; | |
0e4d7e35 | 246 | the_target->pt->resume (&resume_info, 1); |
f8c1d06b GB |
247 | } |
248 | ||
049a8570 SDJ |
249 | /* See target/target.h. */ |
250 | ||
251 | void | |
252 | target_continue (ptid_t ptid, enum gdb_signal signal) | |
253 | { | |
254 | struct thread_resume resume_info; | |
255 | ||
256 | resume_info.thread = ptid; | |
257 | resume_info.kind = resume_continue; | |
258 | resume_info.sig = gdb_signal_to_host (signal); | |
0e4d7e35 | 259 | the_target->pt->resume (&resume_info, 1); |
049a8570 SDJ |
260 | } |
261 | ||
1fb77080 SDJ |
262 | /* See target/target.h. */ |
263 | ||
264 | int | |
265 | target_supports_multi_process (void) | |
266 | { | |
652aef77 | 267 | return the_target->pt->supports_multi_process (); |
1fb77080 SDJ |
268 | } |
269 | ||
ce3a066d | 270 | void |
5b6d1e4f | 271 | set_target_ops (process_stratum_target *target) |
ce3a066d | 272 | { |
5b6d1e4f | 273 | the_target = XNEW (process_stratum_target); |
ce3a066d DJ |
274 | memcpy (the_target, target, sizeof (*the_target)); |
275 | } | |
95954743 PA |
276 | |
277 | /* Convert pid to printable format. */ | |
278 | ||
279 | const char * | |
280 | target_pid_to_str (ptid_t ptid) | |
281 | { | |
282 | static char buf[80]; | |
283 | ||
d7e15655 | 284 | if (ptid == minus_one_ptid) |
6cebaf6e | 285 | xsnprintf (buf, sizeof (buf), "<all threads>"); |
d7e15655 | 286 | else if (ptid == null_ptid) |
6cebaf6e | 287 | xsnprintf (buf, sizeof (buf), "<null thread>"); |
cc6bcb54 | 288 | else if (ptid.tid () != 0) |
6cebaf6e | 289 | xsnprintf (buf, sizeof (buf), "Thread %d.0x%lx", |
cc6bcb54 | 290 | ptid.pid (), ptid.tid ()); |
e38504b3 | 291 | else if (ptid.lwp () != 0) |
6cebaf6e | 292 | xsnprintf (buf, sizeof (buf), "LWP %d.%ld", |
e38504b3 | 293 | ptid.pid (), ptid.lwp ()); |
95954743 | 294 | else |
6cebaf6e | 295 | xsnprintf (buf, sizeof (buf), "Process %d", |
e99b03dc | 296 | ptid.pid ()); |
95954743 PA |
297 | |
298 | return buf; | |
299 | } | |
8336d594 | 300 | |
7255706c | 301 | int |
a780ef4f | 302 | kill_inferior (process_info *proc) |
7255706c | 303 | { |
a780ef4f | 304 | gdb_agent_about_to_close (proc->pid); |
7255706c | 305 | |
c6885a57 | 306 | return the_target->pt->kill (proc); |
7255706c | 307 | } |
70b90b91 | 308 | |
2e6ee069 AT |
309 | /* Default implementation for breakpoint_kind_for_pc. |
310 | ||
311 | The default behavior for targets that don't implement breakpoint_kind_for_pc | |
312 | is to use the size of a breakpoint as the kind. */ | |
313 | ||
314 | int | |
315 | default_breakpoint_kind_from_pc (CORE_ADDR *pcptr) | |
316 | { | |
317 | int size = 0; | |
318 | ||
319 | gdb_assert (the_target->sw_breakpoint_from_kind != NULL); | |
320 | ||
321 | (*the_target->sw_breakpoint_from_kind) (0, &size); | |
322 | return size; | |
323 | } | |
2090129c | 324 | |
223ffa71 TT |
325 | /* Define it. */ |
326 | ||
e671cd59 PA |
327 | target_terminal_state target_terminal::m_terminal_state |
328 | = target_terminal_state::is_ours; | |
223ffa71 | 329 | |
2090129c SDJ |
330 | /* See target/target.h. */ |
331 | ||
332 | void | |
223ffa71 | 333 | target_terminal::init () |
2090129c SDJ |
334 | { |
335 | /* Placeholder needed because of fork_inferior. Not necessary on | |
336 | GDBserver. */ | |
337 | } | |
338 | ||
339 | /* See target/target.h. */ | |
340 | ||
341 | void | |
223ffa71 | 342 | target_terminal::inferior () |
2090129c SDJ |
343 | { |
344 | /* Placeholder needed because of fork_inferior. Not necessary on | |
345 | GDBserver. */ | |
346 | } | |
347 | ||
348 | /* See target/target.h. */ | |
349 | ||
350 | void | |
223ffa71 | 351 | target_terminal::ours () |
2090129c SDJ |
352 | { |
353 | /* Placeholder needed because of fork_inferior. Not necessary on | |
354 | GDBserver. */ | |
355 | } | |
223ffa71 TT |
356 | |
357 | /* See target/target.h. */ | |
358 | ||
359 | void | |
360 | target_terminal::ours_for_output (void) | |
361 | { | |
362 | /* Placeholder. */ | |
363 | } | |
364 | ||
365 | /* See target/target.h. */ | |
366 | ||
367 | void | |
368 | target_terminal::info (const char *arg, int from_tty) | |
369 | { | |
370 | /* Placeholder. */ | |
371 | } | |
6dee9afb TBA |
372 | |
373 | /* Default implementations of target ops. | |
374 | See target.h for definitions. */ | |
375 | ||
376 | void | |
377 | process_target::post_create_inferior () | |
378 | { | |
379 | /* Nop. */ | |
380 | } | |
79b44087 TBA |
381 | |
382 | int | |
383 | process_target::prepare_to_access_memory () | |
384 | { | |
385 | return 0; | |
386 | } | |
387 | ||
388 | void | |
389 | process_target::done_accessing_memory () | |
390 | { | |
391 | /* Nop. */ | |
392 | } | |
2a31c7aa TBA |
393 | |
394 | void | |
395 | process_target::look_up_symbols () | |
396 | { | |
397 | /* Nop. */ | |
398 | } | |
eac215cc TBA |
399 | |
400 | bool | |
401 | process_target::supports_read_auxv () | |
402 | { | |
403 | return false; | |
404 | } | |
405 | ||
406 | int | |
407 | process_target::read_auxv (CORE_ADDR offset, unsigned char *myaddr, | |
408 | unsigned int len) | |
409 | { | |
410 | gdb_assert_not_reached ("target op read_auxv not supported"); | |
411 | } | |
a2b2297a TBA |
412 | |
413 | bool | |
414 | process_target::supports_z_point_type (char z_type) | |
415 | { | |
416 | return false; | |
417 | } | |
7e0bde70 TBA |
418 | |
419 | int | |
420 | process_target::insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
421 | int size, raw_breakpoint *bp) | |
422 | { | |
423 | return 1; | |
424 | } | |
425 | ||
426 | int | |
427 | process_target::remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
428 | int size, raw_breakpoint *bp) | |
429 | { | |
430 | return 1; | |
431 | } | |
84320c4e TBA |
432 | |
433 | bool | |
434 | process_target::stopped_by_sw_breakpoint () | |
435 | { | |
436 | return false; | |
437 | } | |
438 | ||
439 | bool | |
440 | process_target::supports_stopped_by_sw_breakpoint () | |
441 | { | |
442 | return false; | |
443 | } | |
93fe88b2 TBA |
444 | |
445 | bool | |
446 | process_target::stopped_by_hw_breakpoint () | |
447 | { | |
448 | return false; | |
449 | } | |
450 | ||
451 | bool | |
452 | process_target::supports_stopped_by_hw_breakpoint () | |
453 | { | |
454 | return false; | |
455 | } | |
22aa6223 TBA |
456 | |
457 | bool | |
458 | process_target::supports_hardware_single_step () | |
459 | { | |
460 | return false; | |
461 | } | |
6eeb5c55 TBA |
462 | |
463 | bool | |
464 | process_target::stopped_by_watchpoint () | |
465 | { | |
466 | return false; | |
467 | } | |
468 | ||
469 | CORE_ADDR | |
470 | process_target::stopped_data_address () | |
471 | { | |
472 | return 0; | |
473 | } | |
5203ae1e TBA |
474 | |
475 | bool | |
476 | process_target::supports_read_offsets () | |
477 | { | |
478 | return false; | |
479 | } | |
480 | ||
481 | int | |
482 | process_target::read_offsets (CORE_ADDR *text, CORE_ADDR *data) | |
483 | { | |
484 | gdb_assert_not_reached ("target op read_offsets not supported"); | |
485 | } | |
6e3fd7e9 TBA |
486 | |
487 | bool | |
488 | process_target::supports_get_tls_address () | |
489 | { | |
490 | return false; | |
491 | } | |
492 | ||
493 | int | |
494 | process_target::get_tls_address (thread_info *thread, CORE_ADDR offset, | |
495 | CORE_ADDR load_module, CORE_ADDR *address) | |
496 | { | |
497 | gdb_assert_not_reached ("target op get_tls_address not supported"); | |
498 | } | |
ea06bbaa TBA |
499 | |
500 | void | |
501 | process_target::hostio_last_error (char *buf) | |
502 | { | |
503 | hostio_last_error_from_errno (buf); | |
504 | } | |
2d0795ee TBA |
505 | |
506 | bool | |
507 | process_target::supports_qxfer_osdata () | |
508 | { | |
509 | return false; | |
510 | } | |
511 | ||
512 | int | |
513 | process_target::qxfer_osdata (const char *annex, unsigned char *readbuf, | |
514 | unsigned const char *writebuf, | |
515 | CORE_ADDR offset, int len) | |
516 | { | |
517 | gdb_assert_not_reached ("target op qxfer_osdata not supported"); | |
518 | } | |
d7abedf7 TBA |
519 | |
520 | bool | |
521 | process_target::supports_qxfer_siginfo () | |
522 | { | |
523 | return false; | |
524 | } | |
525 | ||
526 | int | |
527 | process_target::qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
528 | unsigned const char *writebuf, | |
529 | CORE_ADDR offset, int len) | |
530 | { | |
531 | gdb_assert_not_reached ("target op qxfer_siginfo not supported"); | |
532 | } | |
0dc587d4 TBA |
533 | |
534 | bool | |
535 | process_target::supports_non_stop () | |
536 | { | |
537 | return false; | |
538 | } | |
539 | ||
540 | bool | |
541 | process_target::async (bool enable) | |
542 | { | |
543 | return false; | |
544 | } | |
545 | ||
546 | int | |
547 | process_target::start_non_stop (bool enable) | |
548 | { | |
549 | if (enable) | |
550 | return -1; | |
551 | else | |
552 | return 0; | |
553 | } | |
652aef77 TBA |
554 | |
555 | bool | |
556 | process_target::supports_multi_process () | |
557 | { | |
558 | return false; | |
559 | } | |
9690a72a TBA |
560 | |
561 | bool | |
562 | process_target::supports_fork_events () | |
563 | { | |
564 | return false; | |
565 | } | |
566 | ||
567 | bool | |
568 | process_target::supports_vfork_events () | |
569 | { | |
570 | return false; | |
571 | } | |
572 | ||
573 | bool | |
574 | process_target::supports_exec_events () | |
575 | { | |
576 | return false; | |
577 | } | |
fb00dfce TBA |
578 | |
579 | void | |
580 | process_target::handle_new_gdb_connection () | |
581 | { | |
582 | /* Nop. */ | |
583 | } | |
55cf3021 TBA |
584 | |
585 | int | |
586 | process_target::handle_monitor_command (char *mon) | |
587 | { | |
588 | return 0; | |
589 | } | |
95a45fc1 TBA |
590 | |
591 | int | |
592 | process_target::core_of_thread (ptid_t ptid) | |
593 | { | |
594 | return -1; | |
595 | } | |
9da41fda TBA |
596 | |
597 | bool | |
598 | process_target::supports_read_loadmap () | |
599 | { | |
600 | return false; | |
601 | } | |
602 | ||
603 | int | |
604 | process_target::read_loadmap (const char *annex, CORE_ADDR offset, | |
605 | unsigned char *myaddr, unsigned int len) | |
606 | { | |
607 | gdb_assert_not_reached ("target op read_loadmap not supported"); | |
608 | } | |
0df28b1b TBA |
609 | |
610 | void | |
611 | process_target::process_qsupported (char **features, int count) | |
612 | { | |
613 | /* Nop. */ | |
614 | } | |
290732bf TBA |
615 | |
616 | bool | |
617 | process_target::supports_tracepoints () | |
618 | { | |
619 | return false; | |
620 | } | |
770d8f6a TBA |
621 | |
622 | CORE_ADDR | |
623 | process_target::read_pc (regcache *regcache) | |
624 | { | |
625 | gdb_assert_not_reached ("process_target::read_pc: Unable to find PC"); | |
626 | } | |
627 | ||
628 | void | |
629 | process_target::write_pc (regcache *regcache, CORE_ADDR pc) | |
630 | { | |
631 | gdb_assert_not_reached ("process_target::write_pc: Unable to update PC"); | |
632 | } | |
68119632 TBA |
633 | |
634 | bool | |
635 | process_target::supports_thread_stopped () | |
636 | { | |
637 | return false; | |
638 | } | |
639 | ||
640 | bool | |
641 | process_target::thread_stopped (thread_info *thread) | |
642 | { | |
643 | gdb_assert_not_reached ("target op thread_stopped not supported"); | |
644 | } | |
4e2e869c TBA |
645 | |
646 | bool | |
647 | process_target::supports_get_tib_address () | |
648 | { | |
649 | return false; | |
650 | } | |
651 | ||
652 | int | |
653 | process_target::get_tib_address (ptid_t ptid, CORE_ADDR *address) | |
654 | { | |
655 | gdb_assert_not_reached ("target op get_tib_address not supported"); | |
656 | } | |
29e8dc09 TBA |
657 | |
658 | void | |
659 | process_target::pause_all (bool freeze) | |
660 | { | |
661 | /* Nop. */ | |
662 | } | |
663 | ||
664 | void | |
665 | process_target::unpause_all (bool unfreeze) | |
666 | { | |
667 | /* Nop. */ | |
668 | } | |
5c9eb2f2 TBA |
669 | |
670 | void | |
671 | process_target::stabilize_threads () | |
672 | { | |
673 | /* Nop. */ | |
674 | } | |
c23c9391 TBA |
675 | |
676 | bool | |
677 | process_target::supports_fast_tracepoints () | |
678 | { | |
679 | return false; | |
680 | } | |
681 | ||
682 | int | |
683 | process_target::install_fast_tracepoint_jump_pad | |
684 | (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, | |
685 | CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, | |
686 | CORE_ADDR *trampoline, ULONGEST *trampoline_size, | |
687 | unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, | |
688 | CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, | |
689 | char *err) | |
690 | { | |
691 | gdb_assert_not_reached ("target op install_fast_tracepoint_jump_pad " | |
692 | "not supported"); | |
693 | } | |
694 | ||
695 | int | |
696 | process_target::get_min_fast_tracepoint_insn_len () | |
697 | { | |
698 | return 0; | |
699 | } | |
345dafad TBA |
700 | |
701 | struct emit_ops * | |
702 | process_target::emit_ops () | |
703 | { | |
704 | return nullptr; | |
705 | } | |
c756403b TBA |
706 | |
707 | bool | |
708 | process_target::supports_disable_randomization () | |
709 | { | |
710 | return false; | |
711 | } | |
974387bb TBA |
712 | |
713 | bool | |
714 | process_target::supports_qxfer_libraries_svr4 () | |
715 | { | |
716 | return false; | |
717 | } | |
718 | ||
719 | int | |
720 | process_target::qxfer_libraries_svr4 (const char *annex, | |
721 | unsigned char *readbuf, | |
722 | unsigned const char *writebuf, | |
723 | CORE_ADDR offset, int len) | |
724 | { | |
725 | gdb_assert_not_reached ("target op qxfer_libraries_svr4 not supported"); | |
726 | } | |
c0245cb9 TBA |
727 | |
728 | bool | |
729 | process_target::supports_agent () | |
730 | { | |
731 | return false; | |
732 | } | |
79597bdd TBA |
733 | |
734 | btrace_target_info * | |
735 | process_target::enable_btrace (ptid_t ptid, const btrace_config *conf) | |
736 | { | |
737 | error (_("Target does not support branch tracing.")); | |
738 | } | |
739 | ||
740 | int | |
741 | process_target::disable_btrace (btrace_target_info *tinfo) | |
742 | { | |
743 | error (_("Target does not support branch tracing.")); | |
744 | } | |
745 | ||
746 | int | |
747 | process_target::read_btrace (btrace_target_info *tinfo, | |
748 | buffer *buffer, | |
749 | enum btrace_read_type type) | |
750 | { | |
751 | error (_("Target does not support branch tracing.")); | |
752 | } | |
753 | ||
754 | int | |
755 | process_target::read_btrace_conf (const btrace_target_info *tinfo, | |
756 | buffer *buffer) | |
757 | { | |
758 | error (_("Target does not support branch tracing.")); | |
759 | } | |
2526e0cd TBA |
760 | |
761 | bool | |
762 | process_target::supports_range_stepping () | |
763 | { | |
764 | return false; | |
765 | } | |
8247b823 TBA |
766 | |
767 | bool | |
768 | process_target::supports_pid_to_exec_file () | |
769 | { | |
770 | return false; | |
771 | } | |
772 | ||
773 | char * | |
774 | process_target::pid_to_exec_file (int pid) | |
775 | { | |
776 | gdb_assert_not_reached ("target op pid_to_exec_file not supported"); | |
777 | } | |
c9b7b804 TBA |
778 | |
779 | bool | |
780 | process_target::supports_multifs () | |
781 | { | |
782 | return false; | |
783 | } | |
784 | ||
785 | int | |
786 | process_target::multifs_open (int pid, const char *filename, | |
787 | int flags, mode_t mode) | |
788 | { | |
789 | return open (filename, flags, mode); | |
790 | } | |
791 | ||
792 | int | |
793 | process_target::multifs_unlink (int pid, const char *filename) | |
794 | { | |
795 | return unlink (filename); | |
796 | } | |
797 | ||
798 | ssize_t | |
799 | process_target::multifs_readlink (int pid, const char *filename, | |
800 | char *buf, size_t bufsiz) | |
801 | { | |
802 | return readlink (filename, buf, bufsiz); | |
803 | } |