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adc36818 PM |
1 | /* Python interface to breakpoints |
2 | ||
42a4f53d | 3 | Copyright (C) 2008-2019 Free Software Foundation, Inc. |
adc36818 PM |
4 | |
5 | This file is part of GDB. | |
6 | ||
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 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "value.h" | |
adc36818 | 22 | #include "python-internal.h" |
49a8461d | 23 | #include "python.h" |
adc36818 PM |
24 | #include "charset.h" |
25 | #include "breakpoint.h" | |
26 | #include "gdbcmd.h" | |
27 | #include "gdbthread.h" | |
76727919 | 28 | #include "observable.h" |
adc36818 PM |
29 | #include "cli/cli-script.h" |
30 | #include "ada-lang.h" | |
7371cf6d PM |
31 | #include "arch-utils.h" |
32 | #include "language.h" | |
f00aae0f | 33 | #include "location.h" |
dac790e1 | 34 | #include "py-event.h" |
824cc835 | 35 | #include "linespec.h" |
adc36818 | 36 | |
adc36818 PM |
37 | /* Number of live breakpoints. */ |
38 | static int bppy_live; | |
39 | ||
40 | /* Variables used to pass information between the Breakpoint | |
41 | constructor and the breakpoint-created hook function. */ | |
4cb0213d | 42 | gdbpy_breakpoint_object *bppy_pending_object; |
adc36818 | 43 | |
7371cf6d | 44 | /* Function that is called when a Python condition is evaluated. */ |
a121b7c1 | 45 | static const char stop_func[] = "stop"; |
7371cf6d | 46 | |
adc36818 PM |
47 | /* This is used to initialize various gdb.bp_* constants. */ |
48 | struct pybp_code | |
49 | { | |
50 | /* The name. */ | |
51 | const char *name; | |
52 | /* The code. */ | |
e81b7af8 | 53 | int code; |
adc36818 PM |
54 | }; |
55 | ||
56 | /* Entries related to the type of user set breakpoints. */ | |
57 | static struct pybp_code pybp_codes[] = | |
58 | { | |
59 | { "BP_NONE", bp_none}, | |
60 | { "BP_BREAKPOINT", bp_breakpoint}, | |
61 | { "BP_WATCHPOINT", bp_watchpoint}, | |
62 | { "BP_HARDWARE_WATCHPOINT", bp_hardware_watchpoint}, | |
63 | { "BP_READ_WATCHPOINT", bp_read_watchpoint}, | |
64 | { "BP_ACCESS_WATCHPOINT", bp_access_watchpoint}, | |
65 | {NULL} /* Sentinel. */ | |
66 | }; | |
67 | ||
68 | /* Entries related to the type of watchpoint. */ | |
69 | static struct pybp_code pybp_watch_types[] = | |
70 | { | |
71 | { "WP_READ", hw_read}, | |
72 | { "WP_WRITE", hw_write}, | |
73 | { "WP_ACCESS", hw_access}, | |
74 | {NULL} /* Sentinel. */ | |
75 | }; | |
76 | ||
adc36818 PM |
77 | /* Python function which checks the validity of a breakpoint object. */ |
78 | static PyObject * | |
79 | bppy_is_valid (PyObject *self, PyObject *args) | |
80 | { | |
4cb0213d | 81 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
82 | |
83 | if (self_bp->bp) | |
84 | Py_RETURN_TRUE; | |
85 | Py_RETURN_FALSE; | |
86 | } | |
87 | ||
88 | /* Python function to test whether or not the breakpoint is enabled. */ | |
89 | static PyObject * | |
90 | bppy_get_enabled (PyObject *self, void *closure) | |
91 | { | |
4cb0213d | 92 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
93 | |
94 | BPPY_REQUIRE_VALID (self_bp); | |
95 | if (! self_bp->bp) | |
96 | Py_RETURN_FALSE; | |
97 | if (self_bp->bp->enable_state == bp_enabled) | |
98 | Py_RETURN_TRUE; | |
99 | Py_RETURN_FALSE; | |
100 | } | |
101 | ||
102 | /* Python function to test whether or not the breakpoint is silent. */ | |
103 | static PyObject * | |
104 | bppy_get_silent (PyObject *self, void *closure) | |
105 | { | |
4cb0213d | 106 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
107 | |
108 | BPPY_REQUIRE_VALID (self_bp); | |
109 | if (self_bp->bp->silent) | |
110 | Py_RETURN_TRUE; | |
111 | Py_RETURN_FALSE; | |
112 | } | |
113 | ||
114 | /* Python function to set the enabled state of a breakpoint. */ | |
115 | static int | |
116 | bppy_set_enabled (PyObject *self, PyObject *newvalue, void *closure) | |
117 | { | |
4cb0213d | 118 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
119 | int cmp; |
120 | ||
121 | BPPY_SET_REQUIRE_VALID (self_bp); | |
122 | ||
123 | if (newvalue == NULL) | |
124 | { | |
256458bc | 125 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
126 | _("Cannot delete `enabled' attribute.")); |
127 | ||
128 | return -1; | |
129 | } | |
130 | else if (! PyBool_Check (newvalue)) | |
131 | { | |
132 | PyErr_SetString (PyExc_TypeError, | |
133 | _("The value of `enabled' must be a boolean.")); | |
134 | return -1; | |
135 | } | |
136 | ||
137 | cmp = PyObject_IsTrue (newvalue); | |
138 | if (cmp < 0) | |
139 | return -1; | |
76dce0be | 140 | |
a70b8144 | 141 | try |
76dce0be PM |
142 | { |
143 | if (cmp == 1) | |
144 | enable_breakpoint (self_bp->bp); | |
145 | else | |
146 | disable_breakpoint (self_bp->bp); | |
147 | } | |
230d2906 | 148 | catch (const gdb_exception &except) |
492d29ea PA |
149 | { |
150 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
151 | } | |
76dce0be | 152 | |
adc36818 PM |
153 | return 0; |
154 | } | |
155 | ||
156 | /* Python function to set the 'silent' state of a breakpoint. */ | |
157 | static int | |
158 | bppy_set_silent (PyObject *self, PyObject *newvalue, void *closure) | |
159 | { | |
4cb0213d | 160 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
161 | int cmp; |
162 | ||
163 | BPPY_SET_REQUIRE_VALID (self_bp); | |
164 | ||
165 | if (newvalue == NULL) | |
166 | { | |
256458bc | 167 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
168 | _("Cannot delete `silent' attribute.")); |
169 | return -1; | |
170 | } | |
171 | else if (! PyBool_Check (newvalue)) | |
172 | { | |
173 | PyErr_SetString (PyExc_TypeError, | |
174 | _("The value of `silent' must be a boolean.")); | |
175 | return -1; | |
176 | } | |
177 | ||
178 | cmp = PyObject_IsTrue (newvalue); | |
179 | if (cmp < 0) | |
180 | return -1; | |
181 | else | |
45a43567 | 182 | breakpoint_set_silent (self_bp->bp, cmp); |
adc36818 PM |
183 | |
184 | return 0; | |
185 | } | |
186 | ||
187 | /* Python function to set the thread of a breakpoint. */ | |
188 | static int | |
189 | bppy_set_thread (PyObject *self, PyObject *newvalue, void *closure) | |
190 | { | |
4cb0213d | 191 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
74aedc46 | 192 | long id; |
adc36818 PM |
193 | |
194 | BPPY_SET_REQUIRE_VALID (self_bp); | |
195 | ||
196 | if (newvalue == NULL) | |
197 | { | |
256458bc | 198 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
199 | _("Cannot delete `thread' attribute.")); |
200 | return -1; | |
201 | } | |
202 | else if (PyInt_Check (newvalue)) | |
203 | { | |
74aedc46 TT |
204 | if (! gdb_py_int_as_long (newvalue, &id)) |
205 | return -1; | |
206 | ||
5d5658a1 | 207 | if (!valid_global_thread_id (id)) |
adc36818 | 208 | { |
256458bc | 209 | PyErr_SetString (PyExc_RuntimeError, |
adc36818 PM |
210 | _("Invalid thread ID.")); |
211 | return -1; | |
212 | } | |
213 | } | |
214 | else if (newvalue == Py_None) | |
215 | id = -1; | |
216 | else | |
217 | { | |
218 | PyErr_SetString (PyExc_TypeError, | |
219 | _("The value of `thread' must be an integer or None.")); | |
220 | return -1; | |
221 | } | |
222 | ||
45a43567 | 223 | breakpoint_set_thread (self_bp->bp, id); |
adc36818 PM |
224 | |
225 | return 0; | |
226 | } | |
227 | ||
228 | /* Python function to set the (Ada) task of a breakpoint. */ | |
229 | static int | |
230 | bppy_set_task (PyObject *self, PyObject *newvalue, void *closure) | |
231 | { | |
4cb0213d | 232 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
74aedc46 | 233 | long id; |
76dce0be | 234 | int valid_id = 0; |
adc36818 PM |
235 | |
236 | BPPY_SET_REQUIRE_VALID (self_bp); | |
237 | ||
238 | if (newvalue == NULL) | |
239 | { | |
256458bc | 240 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
241 | _("Cannot delete `task' attribute.")); |
242 | return -1; | |
243 | } | |
244 | else if (PyInt_Check (newvalue)) | |
245 | { | |
74aedc46 TT |
246 | if (! gdb_py_int_as_long (newvalue, &id)) |
247 | return -1; | |
248 | ||
a70b8144 | 249 | try |
76dce0be PM |
250 | { |
251 | valid_id = valid_task_id (id); | |
252 | } | |
230d2906 | 253 | catch (const gdb_exception &except) |
492d29ea PA |
254 | { |
255 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
256 | } | |
76dce0be PM |
257 | |
258 | if (! valid_id) | |
adc36818 | 259 | { |
256458bc | 260 | PyErr_SetString (PyExc_RuntimeError, |
adc36818 PM |
261 | _("Invalid task ID.")); |
262 | return -1; | |
263 | } | |
264 | } | |
265 | else if (newvalue == Py_None) | |
266 | id = 0; | |
267 | else | |
268 | { | |
269 | PyErr_SetString (PyExc_TypeError, | |
270 | _("The value of `task' must be an integer or None.")); | |
271 | return -1; | |
272 | } | |
273 | ||
45a43567 | 274 | breakpoint_set_task (self_bp->bp, id); |
adc36818 PM |
275 | |
276 | return 0; | |
277 | } | |
278 | ||
94b6973e PM |
279 | /* Python function which deletes the underlying GDB breakpoint. This |
280 | triggers the breakpoint_deleted observer which will call | |
281 | gdbpy_breakpoint_deleted; that function cleans up the Python | |
282 | sections. */ | |
283 | ||
284 | static PyObject * | |
285 | bppy_delete_breakpoint (PyObject *self, PyObject *args) | |
286 | { | |
4cb0213d | 287 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
94b6973e PM |
288 | |
289 | BPPY_REQUIRE_VALID (self_bp); | |
290 | ||
a70b8144 | 291 | try |
76dce0be PM |
292 | { |
293 | delete_breakpoint (self_bp->bp); | |
294 | } | |
230d2906 | 295 | catch (const gdb_exception &except) |
492d29ea PA |
296 | { |
297 | GDB_PY_HANDLE_EXCEPTION (except); | |
298 | } | |
94b6973e PM |
299 | |
300 | Py_RETURN_NONE; | |
301 | } | |
302 | ||
adc36818 PM |
303 | |
304 | /* Python function to set the ignore count of a breakpoint. */ | |
305 | static int | |
306 | bppy_set_ignore_count (PyObject *self, PyObject *newvalue, void *closure) | |
307 | { | |
4cb0213d | 308 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
309 | long value; |
310 | ||
311 | BPPY_SET_REQUIRE_VALID (self_bp); | |
312 | ||
313 | if (newvalue == NULL) | |
314 | { | |
315 | PyErr_SetString (PyExc_TypeError, | |
316 | _("Cannot delete `ignore_count' attribute.")); | |
317 | return -1; | |
318 | } | |
319 | else if (! PyInt_Check (newvalue)) | |
320 | { | |
321 | PyErr_SetString (PyExc_TypeError, | |
322 | _("The value of `ignore_count' must be an integer.")); | |
323 | return -1; | |
324 | } | |
325 | ||
74aedc46 TT |
326 | if (! gdb_py_int_as_long (newvalue, &value)) |
327 | return -1; | |
328 | ||
adc36818 PM |
329 | if (value < 0) |
330 | value = 0; | |
5d9c5995 | 331 | |
a70b8144 | 332 | try |
5d9c5995 PM |
333 | { |
334 | set_ignore_count (self_bp->number, (int) value, 0); | |
335 | } | |
230d2906 | 336 | catch (const gdb_exception &except) |
492d29ea PA |
337 | { |
338 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
339 | } | |
adc36818 PM |
340 | |
341 | return 0; | |
342 | } | |
343 | ||
344 | /* Python function to set the hit count of a breakpoint. */ | |
345 | static int | |
346 | bppy_set_hit_count (PyObject *self, PyObject *newvalue, void *closure) | |
347 | { | |
4cb0213d | 348 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
349 | |
350 | BPPY_SET_REQUIRE_VALID (self_bp); | |
351 | ||
352 | if (newvalue == NULL) | |
353 | { | |
256458bc | 354 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
355 | _("Cannot delete `hit_count' attribute.")); |
356 | return -1; | |
357 | } | |
74aedc46 | 358 | else |
adc36818 | 359 | { |
74aedc46 TT |
360 | long value; |
361 | ||
362 | if (! gdb_py_int_as_long (newvalue, &value)) | |
363 | return -1; | |
364 | ||
365 | if (value != 0) | |
366 | { | |
367 | PyErr_SetString (PyExc_AttributeError, | |
368 | _("The value of `hit_count' must be zero.")); | |
369 | return -1; | |
370 | } | |
adc36818 PM |
371 | } |
372 | ||
373 | self_bp->bp->hit_count = 0; | |
374 | ||
375 | return 0; | |
376 | } | |
377 | ||
378 | /* Python function to get the location of a breakpoint. */ | |
379 | static PyObject * | |
380 | bppy_get_location (PyObject *self, void *closure) | |
381 | { | |
f00aae0f | 382 | const char *str; |
4cb0213d | 383 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
384 | |
385 | BPPY_REQUIRE_VALID (obj); | |
386 | ||
387 | if (obj->bp->type != bp_breakpoint) | |
388 | Py_RETURN_NONE; | |
389 | ||
2a8be203 TT |
390 | struct event_location *location = obj->bp->location.get (); |
391 | /* "catch throw" makes a breakpoint of type bp_breakpoint that does | |
392 | not have a location. */ | |
393 | if (location == nullptr) | |
394 | Py_RETURN_NONE; | |
395 | str = event_location_to_string (location); | |
adc36818 PM |
396 | if (! str) |
397 | str = ""; | |
833d985d | 398 | return host_string_to_python_string (str).release (); |
adc36818 PM |
399 | } |
400 | ||
401 | /* Python function to get the breakpoint expression. */ | |
402 | static PyObject * | |
403 | bppy_get_expression (PyObject *self, void *closure) | |
404 | { | |
a121b7c1 | 405 | const char *str; |
4cb0213d | 406 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
3a5c3e22 | 407 | struct watchpoint *wp; |
adc36818 PM |
408 | |
409 | BPPY_REQUIRE_VALID (obj); | |
410 | ||
3a5c3e22 | 411 | if (!is_watchpoint (obj->bp)) |
adc36818 PM |
412 | Py_RETURN_NONE; |
413 | ||
3a5c3e22 PA |
414 | wp = (struct watchpoint *) obj->bp; |
415 | ||
416 | str = wp->exp_string; | |
adc36818 PM |
417 | if (! str) |
418 | str = ""; | |
419 | ||
833d985d | 420 | return host_string_to_python_string (str).release (); |
adc36818 PM |
421 | } |
422 | ||
423 | /* Python function to get the condition expression of a breakpoint. */ | |
424 | static PyObject * | |
425 | bppy_get_condition (PyObject *self, void *closure) | |
426 | { | |
427 | char *str; | |
4cb0213d | 428 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
429 | |
430 | BPPY_REQUIRE_VALID (obj); | |
431 | ||
432 | str = obj->bp->cond_string; | |
433 | if (! str) | |
434 | Py_RETURN_NONE; | |
435 | ||
833d985d | 436 | return host_string_to_python_string (str).release (); |
adc36818 PM |
437 | } |
438 | ||
8dc78533 JK |
439 | /* Returns 0 on success. Returns -1 on error, with a python exception set. |
440 | */ | |
441 | ||
adc36818 PM |
442 | static int |
443 | bppy_set_condition (PyObject *self, PyObject *newvalue, void *closure) | |
444 | { | |
9b972014 TT |
445 | gdb::unique_xmalloc_ptr<char> exp_holder; |
446 | const char *exp = NULL; | |
4cb0213d | 447 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
cc06b668 | 448 | struct gdb_exception except; |
adc36818 PM |
449 | |
450 | BPPY_SET_REQUIRE_VALID (self_bp); | |
451 | ||
452 | if (newvalue == NULL) | |
453 | { | |
256458bc | 454 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
455 | _("Cannot delete `condition' attribute.")); |
456 | return -1; | |
457 | } | |
458 | else if (newvalue == Py_None) | |
459 | exp = ""; | |
460 | else | |
461 | { | |
9b972014 TT |
462 | exp_holder = python_string_to_host_string (newvalue); |
463 | if (exp_holder == NULL) | |
adc36818 | 464 | return -1; |
9b972014 | 465 | exp = exp_holder.get (); |
adc36818 PM |
466 | } |
467 | ||
a70b8144 | 468 | try |
adc36818 PM |
469 | { |
470 | set_breakpoint_condition (self_bp->bp, exp, 0); | |
471 | } | |
94aeb44b | 472 | catch (gdb_exception &ex) |
492d29ea | 473 | { |
94aeb44b | 474 | except = std::move (ex); |
492d29ea | 475 | } |
f3be5b64 | 476 | |
adc36818 PM |
477 | GDB_PY_SET_HANDLE_EXCEPTION (except); |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
482 | /* Python function to get the commands attached to a breakpoint. */ | |
483 | static PyObject * | |
484 | bppy_get_commands (PyObject *self, void *closure) | |
485 | { | |
4cb0213d | 486 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 | 487 | struct breakpoint *bp = self_bp->bp; |
adc36818 PM |
488 | |
489 | BPPY_REQUIRE_VALID (self_bp); | |
490 | ||
491 | if (! self_bp->bp->commands) | |
492 | Py_RETURN_NONE; | |
493 | ||
d7e74731 | 494 | string_file stb; |
adc36818 | 495 | |
d7e74731 | 496 | current_uiout->redirect (&stb); |
a70b8144 | 497 | try |
adc36818 | 498 | { |
79a45e25 | 499 | print_command_lines (current_uiout, breakpoint_commands (bp), 0); |
adc36818 | 500 | } |
230d2906 | 501 | catch (const gdb_exception &except) |
b862ce75 | 502 | { |
112e8700 | 503 | current_uiout->redirect (NULL); |
f3300387 TT |
504 | gdbpy_convert_exception (except); |
505 | return NULL; | |
b862ce75 | 506 | } |
adc36818 | 507 | |
112e8700 | 508 | current_uiout->redirect (NULL); |
833d985d | 509 | return host_string_to_python_string (stb.c_str ()).release (); |
adc36818 PM |
510 | } |
511 | ||
a913fffb TT |
512 | /* Set the commands attached to a breakpoint. Returns 0 on success. |
513 | Returns -1 on error, with a python exception set. */ | |
514 | static int | |
515 | bppy_set_commands (PyObject *self, PyObject *newvalue, void *closure) | |
516 | { | |
517 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; | |
cc06b668 | 518 | struct gdb_exception except; |
a913fffb TT |
519 | |
520 | BPPY_SET_REQUIRE_VALID (self_bp); | |
521 | ||
522 | gdb::unique_xmalloc_ptr<char> commands | |
523 | (python_string_to_host_string (newvalue)); | |
524 | if (commands == nullptr) | |
525 | return -1; | |
526 | ||
a70b8144 | 527 | try |
a913fffb TT |
528 | { |
529 | bool first = true; | |
530 | char *save_ptr = nullptr; | |
531 | auto reader | |
532 | = [&] () | |
533 | { | |
534 | const char *result = strtok_r (first ? commands.get () : nullptr, | |
535 | "\n", &save_ptr); | |
536 | first = false; | |
537 | return result; | |
538 | }; | |
539 | ||
540 | counted_command_line lines = read_command_lines_1 (reader, 1, nullptr); | |
541 | breakpoint_set_commands (self_bp->bp, std::move (lines)); | |
542 | } | |
94aeb44b | 543 | catch (gdb_exception &ex) |
a913fffb | 544 | { |
94aeb44b | 545 | except = std::move (ex); |
a913fffb | 546 | } |
a913fffb TT |
547 | |
548 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
549 | ||
550 | return 0; | |
551 | } | |
552 | ||
adc36818 PM |
553 | /* Python function to get the breakpoint type. */ |
554 | static PyObject * | |
555 | bppy_get_type (PyObject *self, void *closure) | |
556 | { | |
4cb0213d | 557 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
558 | |
559 | BPPY_REQUIRE_VALID (self_bp); | |
560 | ||
561 | return PyInt_FromLong (self_bp->bp->type); | |
562 | } | |
563 | ||
84f4c1fe PM |
564 | /* Python function to get the visibility of the breakpoint. */ |
565 | ||
566 | static PyObject * | |
567 | bppy_get_visibility (PyObject *self, void *closure) | |
568 | { | |
4cb0213d | 569 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
84f4c1fe PM |
570 | |
571 | BPPY_REQUIRE_VALID (self_bp); | |
572 | ||
43684a7b TT |
573 | if (user_breakpoint_p (self_bp->bp)) |
574 | Py_RETURN_TRUE; | |
84f4c1fe | 575 | |
43684a7b | 576 | Py_RETURN_FALSE; |
84f4c1fe PM |
577 | } |
578 | ||
f76c27b5 PM |
579 | /* Python function to determine if the breakpoint is a temporary |
580 | breakpoint. */ | |
581 | ||
582 | static PyObject * | |
583 | bppy_get_temporary (PyObject *self, void *closure) | |
584 | { | |
4cb0213d | 585 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
f76c27b5 PM |
586 | |
587 | BPPY_REQUIRE_VALID (self_bp); | |
588 | ||
589 | if (self_bp->bp->disposition == disp_del | |
590 | || self_bp->bp->disposition == disp_del_at_next_stop) | |
591 | Py_RETURN_TRUE; | |
592 | ||
593 | Py_RETURN_FALSE; | |
594 | } | |
595 | ||
93daf339 TT |
596 | /* Python function to determine if the breakpoint is a pending |
597 | breakpoint. */ | |
598 | ||
599 | static PyObject * | |
600 | bppy_get_pending (PyObject *self, void *closure) | |
601 | { | |
602 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; | |
603 | ||
604 | BPPY_REQUIRE_VALID (self_bp); | |
605 | ||
606 | if (is_watchpoint (self_bp->bp)) | |
607 | Py_RETURN_FALSE; | |
608 | if (pending_breakpoint_p (self_bp->bp)) | |
609 | Py_RETURN_TRUE; | |
610 | ||
611 | Py_RETURN_FALSE; | |
612 | } | |
613 | ||
adc36818 PM |
614 | /* Python function to get the breakpoint's number. */ |
615 | static PyObject * | |
616 | bppy_get_number (PyObject *self, void *closure) | |
617 | { | |
4cb0213d | 618 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
619 | |
620 | BPPY_REQUIRE_VALID (self_bp); | |
621 | ||
622 | return PyInt_FromLong (self_bp->number); | |
623 | } | |
624 | ||
625 | /* Python function to get the breakpoint's thread ID. */ | |
626 | static PyObject * | |
627 | bppy_get_thread (PyObject *self, void *closure) | |
628 | { | |
4cb0213d | 629 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
630 | |
631 | BPPY_REQUIRE_VALID (self_bp); | |
632 | ||
633 | if (self_bp->bp->thread == -1) | |
634 | Py_RETURN_NONE; | |
635 | ||
636 | return PyInt_FromLong (self_bp->bp->thread); | |
637 | } | |
638 | ||
639 | /* Python function to get the breakpoint's task ID (in Ada). */ | |
640 | static PyObject * | |
641 | bppy_get_task (PyObject *self, void *closure) | |
642 | { | |
4cb0213d | 643 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
644 | |
645 | BPPY_REQUIRE_VALID (self_bp); | |
646 | ||
647 | if (self_bp->bp->task == 0) | |
648 | Py_RETURN_NONE; | |
649 | ||
650 | return PyInt_FromLong (self_bp->bp->task); | |
651 | } | |
652 | ||
653 | /* Python function to get the breakpoint's hit count. */ | |
654 | static PyObject * | |
655 | bppy_get_hit_count (PyObject *self, void *closure) | |
656 | { | |
4cb0213d | 657 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
658 | |
659 | BPPY_REQUIRE_VALID (self_bp); | |
660 | ||
661 | return PyInt_FromLong (self_bp->bp->hit_count); | |
662 | } | |
663 | ||
664 | /* Python function to get the breakpoint's ignore count. */ | |
665 | static PyObject * | |
666 | bppy_get_ignore_count (PyObject *self, void *closure) | |
667 | { | |
4cb0213d | 668 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
669 | |
670 | BPPY_REQUIRE_VALID (self_bp); | |
671 | ||
672 | return PyInt_FromLong (self_bp->bp->ignore_count); | |
673 | } | |
674 | ||
824cc835 PM |
675 | /* Internal function to validate the Python parameters/keywords |
676 | provided to bppy_init. */ | |
677 | ||
678 | static int | |
679 | bppy_init_validate_args (const char *spec, char *source, | |
680 | char *function, char *label, | |
681 | char *line, enum bptype type) | |
682 | { | |
683 | /* If spec is defined, ensure that none of the explicit location | |
684 | keywords are also defined. */ | |
685 | if (spec != NULL) | |
686 | { | |
687 | if (source != NULL || function != NULL || label != NULL || line != NULL) | |
688 | { | |
689 | PyErr_SetString (PyExc_RuntimeError, | |
690 | _("Breakpoints specified with spec cannot " | |
691 | "have source, function, label or line defined.")); | |
692 | return -1; | |
693 | } | |
694 | } | |
695 | else | |
696 | { | |
697 | /* If spec isn't defined, ensure that the user is not trying to | |
698 | define a watchpoint with an explicit location. */ | |
699 | if (type == bp_watchpoint) | |
700 | { | |
701 | PyErr_SetString (PyExc_RuntimeError, | |
702 | _("Watchpoints cannot be set by explicit " | |
703 | "location parameters.")); | |
704 | return -1; | |
705 | } | |
706 | else | |
707 | { | |
708 | /* Otherwise, ensure some explicit locations are defined. */ | |
709 | if (source == NULL && function == NULL && label == NULL | |
710 | && line == NULL) | |
711 | { | |
712 | PyErr_SetString (PyExc_RuntimeError, | |
713 | _("Neither spec nor explicit location set.")); | |
714 | return -1; | |
715 | } | |
716 | /* Finally, if source is specified, ensure that line, label | |
717 | or function are specified too. */ | |
718 | if (source != NULL && function == NULL && label == NULL | |
719 | && line == NULL) | |
720 | { | |
721 | PyErr_SetString (PyExc_RuntimeError, | |
722 | _("Specifying a source must also include a " | |
723 | "line, label or function.")); | |
724 | return -1; | |
725 | } | |
726 | } | |
727 | } | |
728 | return 1; | |
729 | } | |
730 | ||
adc36818 | 731 | /* Python function to create a new breakpoint. */ |
7371cf6d PM |
732 | static int |
733 | bppy_init (PyObject *self, PyObject *args, PyObject *kwargs) | |
adc36818 | 734 | { |
2adadf51 | 735 | static const char *keywords[] = { "spec", "type", "wp_class", "internal", |
824cc835 | 736 | "temporary","source", "function", |
b89641ba | 737 | "label", "line", "qualified", NULL }; |
824cc835 PM |
738 | const char *spec = NULL; |
739 | enum bptype type = bp_breakpoint; | |
adc36818 | 740 | int access_type = hw_write; |
84f4c1fe | 741 | PyObject *internal = NULL; |
f76c27b5 | 742 | PyObject *temporary = NULL; |
824cc835 | 743 | PyObject *lineobj = NULL;; |
84f4c1fe | 744 | int internal_bp = 0; |
f76c27b5 | 745 | int temporary_bp = 0; |
824cc835 PM |
746 | gdb::unique_xmalloc_ptr<char> line; |
747 | char *label = NULL; | |
748 | char *source = NULL; | |
749 | char *function = NULL; | |
8e557e52 | 750 | PyObject * qualified = NULL; |
adc36818 | 751 | |
8e557e52 | 752 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kwargs, "|siiOOsssOO", keywords, |
2adadf51 | 753 | &spec, &type, &access_type, |
824cc835 PM |
754 | &internal, |
755 | &temporary, &source, | |
b89641ba SM |
756 | &function, &label, &lineobj, |
757 | &qualified)) | |
7371cf6d | 758 | return -1; |
adc36818 | 759 | |
824cc835 PM |
760 | |
761 | if (lineobj != NULL) | |
762 | { | |
763 | if (PyInt_Check (lineobj)) | |
764 | line.reset (xstrprintf ("%ld", PyInt_AsLong (lineobj))); | |
765 | else if (PyString_Check (lineobj)) | |
766 | line = python_string_to_host_string (lineobj); | |
767 | else | |
768 | { | |
769 | PyErr_SetString (PyExc_RuntimeError, | |
770 | _("Line keyword should be an integer or a string. ")); | |
771 | return -1; | |
772 | } | |
773 | } | |
774 | ||
84f4c1fe PM |
775 | if (internal) |
776 | { | |
777 | internal_bp = PyObject_IsTrue (internal); | |
778 | if (internal_bp == -1) | |
7371cf6d | 779 | return -1; |
84f4c1fe PM |
780 | } |
781 | ||
f76c27b5 PM |
782 | if (temporary != NULL) |
783 | { | |
784 | temporary_bp = PyObject_IsTrue (temporary); | |
785 | if (temporary_bp == -1) | |
786 | return -1; | |
787 | } | |
788 | ||
824cc835 PM |
789 | if (bppy_init_validate_args (spec, source, function, label, line.get (), |
790 | type) == -1) | |
791 | return -1; | |
792 | ||
4cb0213d | 793 | bppy_pending_object = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
794 | bppy_pending_object->number = -1; |
795 | bppy_pending_object->bp = NULL; | |
256458bc | 796 | |
a70b8144 | 797 | try |
adc36818 PM |
798 | { |
799 | switch (type) | |
800 | { | |
801 | case bp_breakpoint: | |
802 | { | |
824cc835 | 803 | event_location_up location; |
b89641ba | 804 | symbol_name_match_type func_name_match_type |
8e557e52 | 805 | = (qualified != NULL && PyObject_IsTrue (qualified) |
b89641ba SM |
806 | ? symbol_name_match_type::FULL |
807 | : symbol_name_match_type::WILD); | |
824cc835 PM |
808 | |
809 | if (spec != NULL) | |
810 | { | |
811 | gdb::unique_xmalloc_ptr<char> | |
812 | copy_holder (xstrdup (skip_spaces (spec))); | |
813 | const char *copy = copy_holder.get (); | |
814 | ||
815 | location = string_to_event_location (©, | |
b89641ba SM |
816 | current_language, |
817 | func_name_match_type); | |
824cc835 PM |
818 | } |
819 | else | |
820 | { | |
821 | struct explicit_location explicit_loc; | |
822 | ||
823 | initialize_explicit_location (&explicit_loc); | |
824 | explicit_loc.source_filename = source; | |
825 | explicit_loc.function_name = function; | |
826 | explicit_loc.label_name = label; | |
827 | ||
828 | if (line != NULL) | |
829 | explicit_loc.line_offset = | |
830 | linespec_parse_line_offset (line.get ()); | |
831 | ||
b89641ba SM |
832 | explicit_loc.func_name_match_type = func_name_match_type; |
833 | ||
824cc835 PM |
834 | location = new_explicit_location (&explicit_loc); |
835 | } | |
836 | ||
adc36818 | 837 | create_breakpoint (python_gdbarch, |
ffc2605c | 838 | location.get (), NULL, -1, NULL, |
adc36818 | 839 | 0, |
f76c27b5 | 840 | temporary_bp, bp_breakpoint, |
adc36818 PM |
841 | 0, |
842 | AUTO_BOOLEAN_TRUE, | |
348d480f | 843 | &bkpt_breakpoint_ops, |
44f238bb | 844 | 0, 1, internal_bp, 0); |
adc36818 PM |
845 | break; |
846 | } | |
824cc835 | 847 | case bp_watchpoint: |
adc36818 | 848 | { |
824cc835 PM |
849 | gdb::unique_xmalloc_ptr<char> |
850 | copy_holder (xstrdup (skip_spaces (spec))); | |
851 | char *copy = copy_holder.get (); | |
852 | ||
adc36818 | 853 | if (access_type == hw_write) |
ddd49eee | 854 | watch_command_wrapper (copy, 0, internal_bp); |
adc36818 | 855 | else if (access_type == hw_access) |
ddd49eee | 856 | awatch_command_wrapper (copy, 0, internal_bp); |
adc36818 | 857 | else if (access_type == hw_read) |
ddd49eee | 858 | rwatch_command_wrapper (copy, 0, internal_bp); |
adc36818 PM |
859 | else |
860 | error(_("Cannot understand watchpoint access type.")); | |
861 | break; | |
862 | } | |
863 | default: | |
864 | error(_("Do not understand breakpoint type to set.")); | |
865 | } | |
866 | } | |
230d2906 | 867 | catch (const gdb_exception &except) |
adc36818 | 868 | { |
f4952523 | 869 | bppy_pending_object = NULL; |
ec9c2750 | 870 | gdbpy_convert_exception (except); |
7371cf6d | 871 | return -1; |
adc36818 PM |
872 | } |
873 | ||
4cb0213d | 874 | BPPY_SET_REQUIRE_VALID ((gdbpy_breakpoint_object *) self); |
7371cf6d | 875 | return 0; |
adc36818 PM |
876 | } |
877 | ||
878 | \f | |
879 | ||
84f4c1fe PM |
880 | static int |
881 | build_bp_list (struct breakpoint *b, void *arg) | |
882 | { | |
19ba03f4 | 883 | PyObject *list = (PyObject *) arg; |
50389644 | 884 | PyObject *bp = (PyObject *) b->py_bp_object; |
84f4c1fe PM |
885 | int iserr = 0; |
886 | ||
887 | /* Not all breakpoints will have a companion Python object. | |
888 | Only breakpoints that were created via bppy_new, or | |
889 | breakpoints that were created externally and are tracked by | |
890 | the Python Scripting API. */ | |
891 | if (bp) | |
892 | iserr = PyList_Append (list, bp); | |
893 | ||
894 | if (iserr == -1) | |
895 | return 1; | |
896 | ||
897 | return 0; | |
898 | } | |
899 | ||
adc36818 PM |
900 | /* Static function to return a tuple holding all breakpoints. */ |
901 | ||
902 | PyObject * | |
903 | gdbpy_breakpoints (PyObject *self, PyObject *args) | |
904 | { | |
adc36818 | 905 | if (bppy_live == 0) |
1957f6b8 | 906 | return PyTuple_New (0); |
adc36818 | 907 | |
7780f186 | 908 | gdbpy_ref<> list (PyList_New (0)); |
bf2a52fa | 909 | if (list == NULL) |
84f4c1fe | 910 | return NULL; |
d59b6f6c | 911 | |
1957f6b8 | 912 | /* If iterate_over_breakpoints returns non NULL it signals an error |
84f4c1fe PM |
913 | condition. In that case abandon building the list and return |
914 | NULL. */ | |
bf2a52fa TT |
915 | if (iterate_over_breakpoints (build_bp_list, list.get ()) != NULL) |
916 | return NULL; | |
27ca1a5b | 917 | |
bf2a52fa | 918 | return PyList_AsTuple (list.get ()); |
adc36818 PM |
919 | } |
920 | ||
7371cf6d PM |
921 | /* Call the "stop" method (if implemented) in the breakpoint |
922 | class. If the method returns True, the inferior will be | |
923 | stopped at the breakpoint. Otherwise the inferior will be | |
924 | allowed to continue. */ | |
925 | ||
6dddc817 DE |
926 | enum ext_lang_bp_stop |
927 | gdbpy_breakpoint_cond_says_stop (const struct extension_language_defn *extlang, | |
928 | struct breakpoint *b) | |
7371cf6d | 929 | { |
6dddc817 DE |
930 | int stop; |
931 | struct gdbpy_breakpoint_object *bp_obj = b->py_bp_object; | |
7371cf6d | 932 | PyObject *py_bp = (PyObject *) bp_obj; |
6dddc817 | 933 | struct gdbarch *garch; |
6dddc817 DE |
934 | |
935 | if (bp_obj == NULL) | |
936 | return EXT_LANG_BP_STOP_UNSET; | |
937 | ||
938 | stop = -1; | |
939 | garch = b->gdbarch ? b->gdbarch : get_current_arch (); | |
de2dc875 TT |
940 | |
941 | gdbpy_enter enter_py (garch, current_language); | |
7371cf6d | 942 | |
cc72b2a2 KP |
943 | if (bp_obj->is_finish_bp) |
944 | bpfinishpy_pre_stop_hook (bp_obj); | |
945 | ||
7371cf6d PM |
946 | if (PyObject_HasAttrString (py_bp, stop_func)) |
947 | { | |
7780f186 | 948 | gdbpy_ref<> result (PyObject_CallMethod (py_bp, stop_func, NULL)); |
7371cf6d | 949 | |
6dddc817 | 950 | stop = 1; |
64081434 | 951 | if (result != NULL) |
7371cf6d | 952 | { |
64081434 | 953 | int evaluate = PyObject_IsTrue (result.get ()); |
7371cf6d PM |
954 | |
955 | if (evaluate == -1) | |
956 | gdbpy_print_stack (); | |
957 | ||
958 | /* If the "stop" function returns False that means | |
959 | the Python breakpoint wants GDB to continue. */ | |
960 | if (! evaluate) | |
961 | stop = 0; | |
7371cf6d PM |
962 | } |
963 | else | |
964 | gdbpy_print_stack (); | |
965 | } | |
cc72b2a2 KP |
966 | |
967 | if (bp_obj->is_finish_bp) | |
968 | bpfinishpy_post_stop_hook (bp_obj); | |
969 | ||
6dddc817 DE |
970 | if (stop < 0) |
971 | return EXT_LANG_BP_STOP_UNSET; | |
972 | return stop ? EXT_LANG_BP_STOP_YES : EXT_LANG_BP_STOP_NO; | |
7371cf6d PM |
973 | } |
974 | ||
975 | /* Checks if the "stop" method exists in this breakpoint. | |
976 | Used by condition_command to ensure mutual exclusion of breakpoint | |
977 | conditions. */ | |
978 | ||
979 | int | |
6dddc817 DE |
980 | gdbpy_breakpoint_has_cond (const struct extension_language_defn *extlang, |
981 | struct breakpoint *b) | |
7371cf6d | 982 | { |
6dddc817 DE |
983 | PyObject *py_bp; |
984 | struct gdbarch *garch; | |
256458bc | 985 | |
6dddc817 DE |
986 | if (b->py_bp_object == NULL) |
987 | return 0; | |
7371cf6d | 988 | |
6dddc817 DE |
989 | py_bp = (PyObject *) b->py_bp_object; |
990 | garch = b->gdbarch ? b->gdbarch : get_current_arch (); | |
7371cf6d | 991 | |
de2dc875 TT |
992 | gdbpy_enter enter_py (garch, current_language); |
993 | return PyObject_HasAttrString (py_bp, stop_func); | |
7371cf6d PM |
994 | } |
995 | ||
adc36818 PM |
996 | \f |
997 | ||
998 | /* Event callback functions. */ | |
999 | ||
1000 | /* Callback that is used when a breakpoint is created. This function | |
1001 | will create a new Python breakpoint object. */ | |
1002 | static void | |
8d3788bd | 1003 | gdbpy_breakpoint_created (struct breakpoint *bp) |
adc36818 | 1004 | { |
4cb0213d | 1005 | gdbpy_breakpoint_object *newbp; |
adc36818 | 1006 | |
43684a7b | 1007 | if (!user_breakpoint_p (bp) && bppy_pending_object == NULL) |
84f4c1fe PM |
1008 | return; |
1009 | ||
256458bc | 1010 | if (bp->type != bp_breakpoint |
adc36818 | 1011 | && bp->type != bp_watchpoint |
256458bc | 1012 | && bp->type != bp_hardware_watchpoint |
adc36818 PM |
1013 | && bp->type != bp_read_watchpoint |
1014 | && bp->type != bp_access_watchpoint) | |
1015 | return; | |
1016 | ||
25ce02ee TT |
1017 | struct gdbarch *garch = bp->gdbarch ? bp->gdbarch : get_current_arch (); |
1018 | gdbpy_enter enter_py (garch, current_language); | |
adc36818 PM |
1019 | |
1020 | if (bppy_pending_object) | |
1021 | { | |
1022 | newbp = bppy_pending_object; | |
1023 | bppy_pending_object = NULL; | |
1024 | } | |
1025 | else | |
4cb0213d | 1026 | newbp = PyObject_New (gdbpy_breakpoint_object, &breakpoint_object_type); |
adc36818 PM |
1027 | if (newbp) |
1028 | { | |
8d3788bd | 1029 | newbp->number = bp->number; |
adc36818 | 1030 | newbp->bp = bp; |
50389644 | 1031 | newbp->bp->py_bp_object = newbp; |
cc72b2a2 | 1032 | newbp->is_finish_bp = 0; |
adc36818 | 1033 | Py_INCREF (newbp); |
84f4c1fe PM |
1034 | ++bppy_live; |
1035 | } | |
1036 | else | |
1037 | { | |
1038 | PyErr_SetString (PyExc_RuntimeError, | |
1039 | _("Error while creating breakpoint from GDB.")); | |
1040 | gdbpy_print_stack (); | |
adc36818 | 1041 | } |
adc36818 | 1042 | |
dac790e1 TT |
1043 | if (!evregpy_no_listeners_p (gdb_py_events.breakpoint_created)) |
1044 | { | |
dac790e1 TT |
1045 | if (evpy_emit_event ((PyObject *) newbp, |
1046 | gdb_py_events.breakpoint_created) < 0) | |
1047 | gdbpy_print_stack (); | |
1048 | } | |
adc36818 PM |
1049 | } |
1050 | ||
1051 | /* Callback that is used when a breakpoint is deleted. This will | |
1052 | invalidate the corresponding Python object. */ | |
1053 | static void | |
8d3788bd | 1054 | gdbpy_breakpoint_deleted (struct breakpoint *b) |
adc36818 | 1055 | { |
8d3788bd | 1056 | int num = b->number; |
84f4c1fe | 1057 | struct breakpoint *bp = NULL; |
adc36818 | 1058 | |
84f4c1fe | 1059 | bp = get_breakpoint (num); |
d930d06e | 1060 | if (bp) |
adc36818 | 1061 | { |
25ce02ee TT |
1062 | struct gdbarch *garch = bp->gdbarch ? bp->gdbarch : get_current_arch (); |
1063 | gdbpy_enter enter_py (garch, current_language); | |
1064 | ||
88b6faea TT |
1065 | gdbpy_ref<gdbpy_breakpoint_object> bp_obj (bp->py_bp_object); |
1066 | if (bp_obj != NULL) | |
d930d06e | 1067 | { |
dac790e1 TT |
1068 | if (!evregpy_no_listeners_p (gdb_py_events.breakpoint_deleted)) |
1069 | { | |
88b6faea | 1070 | if (evpy_emit_event ((PyObject *) bp_obj.get (), |
dac790e1 TT |
1071 | gdb_py_events.breakpoint_deleted) < 0) |
1072 | gdbpy_print_stack (); | |
1073 | } | |
1074 | ||
d930d06e TT |
1075 | bp_obj->bp = NULL; |
1076 | --bppy_live; | |
d930d06e | 1077 | } |
adc36818 | 1078 | } |
adc36818 PM |
1079 | } |
1080 | ||
dac790e1 TT |
1081 | /* Callback that is used when a breakpoint is modified. */ |
1082 | ||
1083 | static void | |
1084 | gdbpy_breakpoint_modified (struct breakpoint *b) | |
1085 | { | |
1086 | int num = b->number; | |
dac790e1 | 1087 | struct breakpoint *bp = NULL; |
dac790e1 | 1088 | |
dac790e1 TT |
1089 | bp = get_breakpoint (num); |
1090 | if (bp) | |
1091 | { | |
25ce02ee TT |
1092 | struct gdbarch *garch = bp->gdbarch ? bp->gdbarch : get_current_arch (); |
1093 | gdbpy_enter enter_py (garch, current_language); | |
1094 | ||
dac790e1 TT |
1095 | PyObject *bp_obj = (PyObject *) bp->py_bp_object; |
1096 | if (bp_obj) | |
1097 | { | |
1098 | if (!evregpy_no_listeners_p (gdb_py_events.breakpoint_modified)) | |
1099 | { | |
dac790e1 TT |
1100 | if (evpy_emit_event (bp_obj, |
1101 | gdb_py_events.breakpoint_modified) < 0) | |
1102 | gdbpy_print_stack (); | |
1103 | } | |
1104 | } | |
1105 | } | |
dac790e1 TT |
1106 | } |
1107 | ||
adc36818 PM |
1108 | \f |
1109 | ||
1110 | /* Initialize the Python breakpoint code. */ | |
999633ed | 1111 | int |
adc36818 PM |
1112 | gdbpy_initialize_breakpoints (void) |
1113 | { | |
1114 | int i; | |
1115 | ||
6a1b1664 | 1116 | breakpoint_object_type.tp_new = PyType_GenericNew; |
adc36818 | 1117 | if (PyType_Ready (&breakpoint_object_type) < 0) |
999633ed | 1118 | return -1; |
adc36818 | 1119 | |
aa36459a TT |
1120 | if (gdb_pymodule_addobject (gdb_module, "Breakpoint", |
1121 | (PyObject *) &breakpoint_object_type) < 0) | |
999633ed | 1122 | return -1; |
adc36818 | 1123 | |
76727919 TT |
1124 | gdb::observers::breakpoint_created.attach (gdbpy_breakpoint_created); |
1125 | gdb::observers::breakpoint_deleted.attach (gdbpy_breakpoint_deleted); | |
1126 | gdb::observers::breakpoint_modified.attach (gdbpy_breakpoint_modified); | |
adc36818 PM |
1127 | |
1128 | /* Add breakpoint types constants. */ | |
1129 | for (i = 0; pybp_codes[i].name; ++i) | |
1130 | { | |
6c28e44a | 1131 | if (PyModule_AddIntConstant (gdb_module, pybp_codes[i].name, |
adc36818 | 1132 | pybp_codes[i].code) < 0) |
999633ed | 1133 | return -1; |
adc36818 PM |
1134 | } |
1135 | ||
1136 | /* Add watchpoint types constants. */ | |
1137 | for (i = 0; pybp_watch_types[i].name; ++i) | |
1138 | { | |
6c28e44a | 1139 | if (PyModule_AddIntConstant (gdb_module, pybp_watch_types[i].name, |
adc36818 | 1140 | pybp_watch_types[i].code) < 0) |
999633ed | 1141 | return -1; |
adc36818 PM |
1142 | } |
1143 | ||
999633ed | 1144 | return 0; |
adc36818 PM |
1145 | } |
1146 | ||
1147 | \f | |
1148 | ||
7371cf6d PM |
1149 | /* Helper function that overrides this Python object's |
1150 | PyObject_GenericSetAttr to allow extra validation of the attribute | |
1151 | being set. */ | |
1152 | ||
256458bc | 1153 | static int |
7371cf6d PM |
1154 | local_setattro (PyObject *self, PyObject *name, PyObject *v) |
1155 | { | |
256458bc | 1156 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
9b972014 | 1157 | gdb::unique_xmalloc_ptr<char> attr (python_string_to_host_string (name)); |
256458bc | 1158 | |
7371cf6d PM |
1159 | if (attr == NULL) |
1160 | return -1; | |
256458bc | 1161 | |
7371cf6d | 1162 | /* If the attribute trying to be set is the "stop" method, |
6dddc817 DE |
1163 | but we already have a condition set in the CLI or other extension |
1164 | language, disallow this operation. */ | |
9b972014 | 1165 | if (strcmp (attr.get (), stop_func) == 0) |
7371cf6d | 1166 | { |
6dddc817 DE |
1167 | const struct extension_language_defn *extlang = NULL; |
1168 | ||
1169 | if (obj->bp->cond_string != NULL) | |
1170 | extlang = get_ext_lang_defn (EXT_LANG_GDB); | |
1171 | if (extlang == NULL) | |
1172 | extlang = get_breakpoint_cond_ext_lang (obj->bp, EXT_LANG_PYTHON); | |
1173 | if (extlang != NULL) | |
1174 | { | |
7f968c89 TT |
1175 | std::string error_text |
1176 | = string_printf (_("Only one stop condition allowed. There is" | |
1177 | " currently a %s stop condition defined for" | |
1178 | " this breakpoint."), | |
1179 | ext_lang_capitalized_name (extlang)); | |
1180 | PyErr_SetString (PyExc_RuntimeError, error_text.c_str ()); | |
6dddc817 DE |
1181 | return -1; |
1182 | } | |
7371cf6d | 1183 | } |
256458bc | 1184 | |
8833fbf0 | 1185 | return PyObject_GenericSetAttr (self, name, v); |
7371cf6d PM |
1186 | } |
1187 | ||
0d1f4ceb | 1188 | static gdb_PyGetSetDef breakpoint_object_getset[] = { |
adc36818 PM |
1189 | { "enabled", bppy_get_enabled, bppy_set_enabled, |
1190 | "Boolean telling whether the breakpoint is enabled.", NULL }, | |
1191 | { "silent", bppy_get_silent, bppy_set_silent, | |
1192 | "Boolean telling whether the breakpoint is silent.", NULL }, | |
1193 | { "thread", bppy_get_thread, bppy_set_thread, | |
1194 | "Thread ID for the breakpoint.\n\ | |
1195 | If the value is a thread ID (integer), then this is a thread-specific breakpoint.\n\ | |
1196 | If the value is None, then this breakpoint is not thread-specific.\n\ | |
1197 | No other type of value can be used.", NULL }, | |
1198 | { "task", bppy_get_task, bppy_set_task, | |
1199 | "Thread ID for the breakpoint.\n\ | |
1200 | If the value is a task ID (integer), then this is an Ada task-specific breakpoint.\n\ | |
1201 | If the value is None, then this breakpoint is not task-specific.\n\ | |
1202 | No other type of value can be used.", NULL }, | |
1203 | { "ignore_count", bppy_get_ignore_count, bppy_set_ignore_count, | |
1204 | "Number of times this breakpoint should be automatically continued.", | |
1205 | NULL }, | |
1206 | { "number", bppy_get_number, NULL, | |
1207 | "Breakpoint's number assigned by GDB.", NULL }, | |
1208 | { "hit_count", bppy_get_hit_count, bppy_set_hit_count, | |
1209 | "Number of times the breakpoint has been hit.\n\ | |
1210 | Can be set to zero to clear the count. No other value is valid\n\ | |
1211 | when setting this property.", NULL }, | |
1212 | { "location", bppy_get_location, NULL, | |
1213 | "Location of the breakpoint, as specified by the user.", NULL}, | |
1214 | { "expression", bppy_get_expression, NULL, | |
1215 | "Expression of the breakpoint, as specified by the user.", NULL}, | |
1216 | { "condition", bppy_get_condition, bppy_set_condition, | |
1217 | "Condition of the breakpoint, as specified by the user,\ | |
1218 | or None if no condition set."}, | |
a913fffb | 1219 | { "commands", bppy_get_commands, bppy_set_commands, |
adc36818 PM |
1220 | "Commands of the breakpoint, as specified by the user."}, |
1221 | { "type", bppy_get_type, NULL, | |
1222 | "Type of breakpoint."}, | |
84f4c1fe PM |
1223 | { "visible", bppy_get_visibility, NULL, |
1224 | "Whether the breakpoint is visible to the user."}, | |
f76c27b5 PM |
1225 | { "temporary", bppy_get_temporary, NULL, |
1226 | "Whether this breakpoint is a temporary breakpoint."}, | |
93daf339 TT |
1227 | { "pending", bppy_get_pending, NULL, |
1228 | "Whether this breakpoint is a pending breakpoint."}, | |
adc36818 PM |
1229 | { NULL } /* Sentinel. */ |
1230 | }; | |
1231 | ||
1232 | static PyMethodDef breakpoint_object_methods[] = | |
1233 | { | |
1234 | { "is_valid", bppy_is_valid, METH_NOARGS, | |
1235 | "Return true if this breakpoint is valid, false if not." }, | |
94b6973e PM |
1236 | { "delete", bppy_delete_breakpoint, METH_NOARGS, |
1237 | "Delete the underlying GDB breakpoint." }, | |
adc36818 PM |
1238 | { NULL } /* Sentinel. */ |
1239 | }; | |
1240 | ||
cc72b2a2 | 1241 | PyTypeObject breakpoint_object_type = |
adc36818 | 1242 | { |
9a27f2c6 | 1243 | PyVarObject_HEAD_INIT (NULL, 0) |
adc36818 | 1244 | "gdb.Breakpoint", /*tp_name*/ |
4cb0213d | 1245 | sizeof (gdbpy_breakpoint_object), /*tp_basicsize*/ |
adc36818 PM |
1246 | 0, /*tp_itemsize*/ |
1247 | 0, /*tp_dealloc*/ | |
1248 | 0, /*tp_print*/ | |
1249 | 0, /*tp_getattr*/ | |
1250 | 0, /*tp_setattr*/ | |
1251 | 0, /*tp_compare*/ | |
1252 | 0, /*tp_repr*/ | |
1253 | 0, /*tp_as_number*/ | |
1254 | 0, /*tp_as_sequence*/ | |
1255 | 0, /*tp_as_mapping*/ | |
1256 | 0, /*tp_hash */ | |
1257 | 0, /*tp_call*/ | |
1258 | 0, /*tp_str*/ | |
1259 | 0, /*tp_getattro*/ | |
7371cf6d | 1260 | (setattrofunc)local_setattro, /*tp_setattro */ |
adc36818 | 1261 | 0, /*tp_as_buffer*/ |
7371cf6d | 1262 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
adc36818 PM |
1263 | "GDB breakpoint object", /* tp_doc */ |
1264 | 0, /* tp_traverse */ | |
1265 | 0, /* tp_clear */ | |
1266 | 0, /* tp_richcompare */ | |
1267 | 0, /* tp_weaklistoffset */ | |
1268 | 0, /* tp_iter */ | |
1269 | 0, /* tp_iternext */ | |
1270 | breakpoint_object_methods, /* tp_methods */ | |
1271 | 0, /* tp_members */ | |
7371cf6d PM |
1272 | breakpoint_object_getset, /* tp_getset */ |
1273 | 0, /* tp_base */ | |
1274 | 0, /* tp_dict */ | |
1275 | 0, /* tp_descr_get */ | |
1276 | 0, /* tp_descr_set */ | |
1277 | 0, /* tp_dictoffset */ | |
1278 | bppy_init, /* tp_init */ | |
1279 | 0, /* tp_alloc */ | |
adc36818 | 1280 | }; |