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adc36818 PM |
1 | /* Python interface to breakpoints |
2 | ||
e2882c85 | 3 | Copyright (C) 2008-2018 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 | |
492d29ea | 141 | TRY |
76dce0be PM |
142 | { |
143 | if (cmp == 1) | |
144 | enable_breakpoint (self_bp->bp); | |
145 | else | |
146 | disable_breakpoint (self_bp->bp); | |
147 | } | |
492d29ea PA |
148 | CATCH (except, RETURN_MASK_ALL) |
149 | { | |
150 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
151 | } | |
152 | END_CATCH | |
76dce0be | 153 | |
adc36818 PM |
154 | return 0; |
155 | } | |
156 | ||
157 | /* Python function to set the 'silent' state of a breakpoint. */ | |
158 | static int | |
159 | bppy_set_silent (PyObject *self, PyObject *newvalue, void *closure) | |
160 | { | |
4cb0213d | 161 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
162 | int cmp; |
163 | ||
164 | BPPY_SET_REQUIRE_VALID (self_bp); | |
165 | ||
166 | if (newvalue == NULL) | |
167 | { | |
256458bc | 168 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
169 | _("Cannot delete `silent' attribute.")); |
170 | return -1; | |
171 | } | |
172 | else if (! PyBool_Check (newvalue)) | |
173 | { | |
174 | PyErr_SetString (PyExc_TypeError, | |
175 | _("The value of `silent' must be a boolean.")); | |
176 | return -1; | |
177 | } | |
178 | ||
179 | cmp = PyObject_IsTrue (newvalue); | |
180 | if (cmp < 0) | |
181 | return -1; | |
182 | else | |
45a43567 | 183 | breakpoint_set_silent (self_bp->bp, cmp); |
adc36818 PM |
184 | |
185 | return 0; | |
186 | } | |
187 | ||
188 | /* Python function to set the thread of a breakpoint. */ | |
189 | static int | |
190 | bppy_set_thread (PyObject *self, PyObject *newvalue, void *closure) | |
191 | { | |
4cb0213d | 192 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
74aedc46 | 193 | long id; |
adc36818 PM |
194 | |
195 | BPPY_SET_REQUIRE_VALID (self_bp); | |
196 | ||
197 | if (newvalue == NULL) | |
198 | { | |
256458bc | 199 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
200 | _("Cannot delete `thread' attribute.")); |
201 | return -1; | |
202 | } | |
203 | else if (PyInt_Check (newvalue)) | |
204 | { | |
74aedc46 TT |
205 | if (! gdb_py_int_as_long (newvalue, &id)) |
206 | return -1; | |
207 | ||
5d5658a1 | 208 | if (!valid_global_thread_id (id)) |
adc36818 | 209 | { |
256458bc | 210 | PyErr_SetString (PyExc_RuntimeError, |
adc36818 PM |
211 | _("Invalid thread ID.")); |
212 | return -1; | |
213 | } | |
214 | } | |
215 | else if (newvalue == Py_None) | |
216 | id = -1; | |
217 | else | |
218 | { | |
219 | PyErr_SetString (PyExc_TypeError, | |
220 | _("The value of `thread' must be an integer or None.")); | |
221 | return -1; | |
222 | } | |
223 | ||
45a43567 | 224 | breakpoint_set_thread (self_bp->bp, id); |
adc36818 PM |
225 | |
226 | return 0; | |
227 | } | |
228 | ||
229 | /* Python function to set the (Ada) task of a breakpoint. */ | |
230 | static int | |
231 | bppy_set_task (PyObject *self, PyObject *newvalue, void *closure) | |
232 | { | |
4cb0213d | 233 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
74aedc46 | 234 | long id; |
76dce0be | 235 | int valid_id = 0; |
adc36818 PM |
236 | |
237 | BPPY_SET_REQUIRE_VALID (self_bp); | |
238 | ||
239 | if (newvalue == NULL) | |
240 | { | |
256458bc | 241 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
242 | _("Cannot delete `task' attribute.")); |
243 | return -1; | |
244 | } | |
245 | else if (PyInt_Check (newvalue)) | |
246 | { | |
74aedc46 TT |
247 | if (! gdb_py_int_as_long (newvalue, &id)) |
248 | return -1; | |
249 | ||
492d29ea | 250 | TRY |
76dce0be PM |
251 | { |
252 | valid_id = valid_task_id (id); | |
253 | } | |
492d29ea PA |
254 | CATCH (except, RETURN_MASK_ALL) |
255 | { | |
256 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
257 | } | |
258 | END_CATCH | |
76dce0be PM |
259 | |
260 | if (! valid_id) | |
adc36818 | 261 | { |
256458bc | 262 | PyErr_SetString (PyExc_RuntimeError, |
adc36818 PM |
263 | _("Invalid task ID.")); |
264 | return -1; | |
265 | } | |
266 | } | |
267 | else if (newvalue == Py_None) | |
268 | id = 0; | |
269 | else | |
270 | { | |
271 | PyErr_SetString (PyExc_TypeError, | |
272 | _("The value of `task' must be an integer or None.")); | |
273 | return -1; | |
274 | } | |
275 | ||
45a43567 | 276 | breakpoint_set_task (self_bp->bp, id); |
adc36818 PM |
277 | |
278 | return 0; | |
279 | } | |
280 | ||
94b6973e PM |
281 | /* Python function which deletes the underlying GDB breakpoint. This |
282 | triggers the breakpoint_deleted observer which will call | |
283 | gdbpy_breakpoint_deleted; that function cleans up the Python | |
284 | sections. */ | |
285 | ||
286 | static PyObject * | |
287 | bppy_delete_breakpoint (PyObject *self, PyObject *args) | |
288 | { | |
4cb0213d | 289 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
94b6973e PM |
290 | |
291 | BPPY_REQUIRE_VALID (self_bp); | |
292 | ||
492d29ea | 293 | TRY |
76dce0be PM |
294 | { |
295 | delete_breakpoint (self_bp->bp); | |
296 | } | |
492d29ea PA |
297 | CATCH (except, RETURN_MASK_ALL) |
298 | { | |
299 | GDB_PY_HANDLE_EXCEPTION (except); | |
300 | } | |
301 | END_CATCH | |
94b6973e PM |
302 | |
303 | Py_RETURN_NONE; | |
304 | } | |
305 | ||
adc36818 PM |
306 | |
307 | /* Python function to set the ignore count of a breakpoint. */ | |
308 | static int | |
309 | bppy_set_ignore_count (PyObject *self, PyObject *newvalue, void *closure) | |
310 | { | |
4cb0213d | 311 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
312 | long value; |
313 | ||
314 | BPPY_SET_REQUIRE_VALID (self_bp); | |
315 | ||
316 | if (newvalue == NULL) | |
317 | { | |
318 | PyErr_SetString (PyExc_TypeError, | |
319 | _("Cannot delete `ignore_count' attribute.")); | |
320 | return -1; | |
321 | } | |
322 | else if (! PyInt_Check (newvalue)) | |
323 | { | |
324 | PyErr_SetString (PyExc_TypeError, | |
325 | _("The value of `ignore_count' must be an integer.")); | |
326 | return -1; | |
327 | } | |
328 | ||
74aedc46 TT |
329 | if (! gdb_py_int_as_long (newvalue, &value)) |
330 | return -1; | |
331 | ||
adc36818 PM |
332 | if (value < 0) |
333 | value = 0; | |
5d9c5995 | 334 | |
492d29ea | 335 | TRY |
5d9c5995 PM |
336 | { |
337 | set_ignore_count (self_bp->number, (int) value, 0); | |
338 | } | |
492d29ea PA |
339 | CATCH (except, RETURN_MASK_ALL) |
340 | { | |
341 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
342 | } | |
343 | END_CATCH | |
adc36818 PM |
344 | |
345 | return 0; | |
346 | } | |
347 | ||
348 | /* Python function to set the hit count of a breakpoint. */ | |
349 | static int | |
350 | bppy_set_hit_count (PyObject *self, PyObject *newvalue, void *closure) | |
351 | { | |
4cb0213d | 352 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
353 | |
354 | BPPY_SET_REQUIRE_VALID (self_bp); | |
355 | ||
356 | if (newvalue == NULL) | |
357 | { | |
256458bc | 358 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
359 | _("Cannot delete `hit_count' attribute.")); |
360 | return -1; | |
361 | } | |
74aedc46 | 362 | else |
adc36818 | 363 | { |
74aedc46 TT |
364 | long value; |
365 | ||
366 | if (! gdb_py_int_as_long (newvalue, &value)) | |
367 | return -1; | |
368 | ||
369 | if (value != 0) | |
370 | { | |
371 | PyErr_SetString (PyExc_AttributeError, | |
372 | _("The value of `hit_count' must be zero.")); | |
373 | return -1; | |
374 | } | |
adc36818 PM |
375 | } |
376 | ||
377 | self_bp->bp->hit_count = 0; | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | /* Python function to get the location of a breakpoint. */ | |
383 | static PyObject * | |
384 | bppy_get_location (PyObject *self, void *closure) | |
385 | { | |
f00aae0f | 386 | const char *str; |
4cb0213d | 387 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
388 | |
389 | BPPY_REQUIRE_VALID (obj); | |
390 | ||
391 | if (obj->bp->type != bp_breakpoint) | |
392 | Py_RETURN_NONE; | |
393 | ||
d28cd78a | 394 | str = event_location_to_string (obj->bp->location.get ()); |
adc36818 PM |
395 | if (! str) |
396 | str = ""; | |
4ae6cc19 | 397 | return host_string_to_python_string (str); |
adc36818 PM |
398 | } |
399 | ||
400 | /* Python function to get the breakpoint expression. */ | |
401 | static PyObject * | |
402 | bppy_get_expression (PyObject *self, void *closure) | |
403 | { | |
a121b7c1 | 404 | const char *str; |
4cb0213d | 405 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
3a5c3e22 | 406 | struct watchpoint *wp; |
adc36818 PM |
407 | |
408 | BPPY_REQUIRE_VALID (obj); | |
409 | ||
3a5c3e22 | 410 | if (!is_watchpoint (obj->bp)) |
adc36818 PM |
411 | Py_RETURN_NONE; |
412 | ||
3a5c3e22 PA |
413 | wp = (struct watchpoint *) obj->bp; |
414 | ||
415 | str = wp->exp_string; | |
adc36818 PM |
416 | if (! str) |
417 | str = ""; | |
418 | ||
4ae6cc19 | 419 | return host_string_to_python_string (str); |
adc36818 PM |
420 | } |
421 | ||
422 | /* Python function to get the condition expression of a breakpoint. */ | |
423 | static PyObject * | |
424 | bppy_get_condition (PyObject *self, void *closure) | |
425 | { | |
426 | char *str; | |
4cb0213d | 427 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
428 | |
429 | BPPY_REQUIRE_VALID (obj); | |
430 | ||
431 | str = obj->bp->cond_string; | |
432 | if (! str) | |
433 | Py_RETURN_NONE; | |
434 | ||
4ae6cc19 | 435 | return host_string_to_python_string (str); |
adc36818 PM |
436 | } |
437 | ||
8dc78533 JK |
438 | /* Returns 0 on success. Returns -1 on error, with a python exception set. |
439 | */ | |
440 | ||
adc36818 PM |
441 | static int |
442 | bppy_set_condition (PyObject *self, PyObject *newvalue, void *closure) | |
443 | { | |
9b972014 TT |
444 | gdb::unique_xmalloc_ptr<char> exp_holder; |
445 | const char *exp = NULL; | |
4cb0213d | 446 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
492d29ea | 447 | struct gdb_exception except = exception_none; |
adc36818 PM |
448 | |
449 | BPPY_SET_REQUIRE_VALID (self_bp); | |
450 | ||
451 | if (newvalue == NULL) | |
452 | { | |
256458bc | 453 | PyErr_SetString (PyExc_TypeError, |
adc36818 PM |
454 | _("Cannot delete `condition' attribute.")); |
455 | return -1; | |
456 | } | |
457 | else if (newvalue == Py_None) | |
458 | exp = ""; | |
459 | else | |
460 | { | |
9b972014 TT |
461 | exp_holder = python_string_to_host_string (newvalue); |
462 | if (exp_holder == NULL) | |
adc36818 | 463 | return -1; |
9b972014 | 464 | exp = exp_holder.get (); |
adc36818 PM |
465 | } |
466 | ||
492d29ea | 467 | TRY |
adc36818 PM |
468 | { |
469 | set_breakpoint_condition (self_bp->bp, exp, 0); | |
470 | } | |
492d29ea PA |
471 | CATCH (ex, RETURN_MASK_ALL) |
472 | { | |
473 | except = ex; | |
474 | } | |
475 | END_CATCH | |
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); |
492d29ea | 497 | TRY |
adc36818 | 498 | { |
79a45e25 | 499 | print_command_lines (current_uiout, breakpoint_commands (bp), 0); |
adc36818 | 500 | } |
492d29ea | 501 | CATCH (except, RETURN_MASK_ALL) |
b862ce75 | 502 | { |
112e8700 | 503 | current_uiout->redirect (NULL); |
f3300387 TT |
504 | gdbpy_convert_exception (except); |
505 | return NULL; | |
b862ce75 | 506 | } |
492d29ea | 507 | END_CATCH |
adc36818 | 508 | |
112e8700 | 509 | current_uiout->redirect (NULL); |
d7e74731 | 510 | return host_string_to_python_string (stb.c_str ()); |
adc36818 PM |
511 | } |
512 | ||
a913fffb TT |
513 | /* Set the commands attached to a breakpoint. Returns 0 on success. |
514 | Returns -1 on error, with a python exception set. */ | |
515 | static int | |
516 | bppy_set_commands (PyObject *self, PyObject *newvalue, void *closure) | |
517 | { | |
518 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; | |
a913fffb TT |
519 | struct gdb_exception except = exception_none; |
520 | ||
521 | BPPY_SET_REQUIRE_VALID (self_bp); | |
522 | ||
523 | gdb::unique_xmalloc_ptr<char> commands | |
524 | (python_string_to_host_string (newvalue)); | |
525 | if (commands == nullptr) | |
526 | return -1; | |
527 | ||
528 | TRY | |
529 | { | |
530 | bool first = true; | |
531 | char *save_ptr = nullptr; | |
532 | auto reader | |
533 | = [&] () | |
534 | { | |
535 | const char *result = strtok_r (first ? commands.get () : nullptr, | |
536 | "\n", &save_ptr); | |
537 | first = false; | |
538 | return result; | |
539 | }; | |
540 | ||
541 | counted_command_line lines = read_command_lines_1 (reader, 1, nullptr); | |
542 | breakpoint_set_commands (self_bp->bp, std::move (lines)); | |
543 | } | |
544 | CATCH (ex, RETURN_MASK_ALL) | |
545 | { | |
546 | except = ex; | |
547 | } | |
548 | END_CATCH | |
549 | ||
550 | GDB_PY_SET_HANDLE_EXCEPTION (except); | |
551 | ||
552 | return 0; | |
553 | } | |
554 | ||
adc36818 PM |
555 | /* Python function to get the breakpoint type. */ |
556 | static PyObject * | |
557 | bppy_get_type (PyObject *self, void *closure) | |
558 | { | |
4cb0213d | 559 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
560 | |
561 | BPPY_REQUIRE_VALID (self_bp); | |
562 | ||
563 | return PyInt_FromLong (self_bp->bp->type); | |
564 | } | |
565 | ||
84f4c1fe PM |
566 | /* Python function to get the visibility of the breakpoint. */ |
567 | ||
568 | static PyObject * | |
569 | bppy_get_visibility (PyObject *self, void *closure) | |
570 | { | |
4cb0213d | 571 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
84f4c1fe PM |
572 | |
573 | BPPY_REQUIRE_VALID (self_bp); | |
574 | ||
43684a7b TT |
575 | if (user_breakpoint_p (self_bp->bp)) |
576 | Py_RETURN_TRUE; | |
84f4c1fe | 577 | |
43684a7b | 578 | Py_RETURN_FALSE; |
84f4c1fe PM |
579 | } |
580 | ||
f76c27b5 PM |
581 | /* Python function to determine if the breakpoint is a temporary |
582 | breakpoint. */ | |
583 | ||
584 | static PyObject * | |
585 | bppy_get_temporary (PyObject *self, void *closure) | |
586 | { | |
4cb0213d | 587 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
f76c27b5 PM |
588 | |
589 | BPPY_REQUIRE_VALID (self_bp); | |
590 | ||
591 | if (self_bp->bp->disposition == disp_del | |
592 | || self_bp->bp->disposition == disp_del_at_next_stop) | |
593 | Py_RETURN_TRUE; | |
594 | ||
595 | Py_RETURN_FALSE; | |
596 | } | |
597 | ||
93daf339 TT |
598 | /* Python function to determine if the breakpoint is a pending |
599 | breakpoint. */ | |
600 | ||
601 | static PyObject * | |
602 | bppy_get_pending (PyObject *self, void *closure) | |
603 | { | |
604 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; | |
605 | ||
606 | BPPY_REQUIRE_VALID (self_bp); | |
607 | ||
608 | if (is_watchpoint (self_bp->bp)) | |
609 | Py_RETURN_FALSE; | |
610 | if (pending_breakpoint_p (self_bp->bp)) | |
611 | Py_RETURN_TRUE; | |
612 | ||
613 | Py_RETURN_FALSE; | |
614 | } | |
615 | ||
adc36818 PM |
616 | /* Python function to get the breakpoint's number. */ |
617 | static PyObject * | |
618 | bppy_get_number (PyObject *self, void *closure) | |
619 | { | |
4cb0213d | 620 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
621 | |
622 | BPPY_REQUIRE_VALID (self_bp); | |
623 | ||
624 | return PyInt_FromLong (self_bp->number); | |
625 | } | |
626 | ||
627 | /* Python function to get the breakpoint's thread ID. */ | |
628 | static PyObject * | |
629 | bppy_get_thread (PyObject *self, void *closure) | |
630 | { | |
4cb0213d | 631 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
632 | |
633 | BPPY_REQUIRE_VALID (self_bp); | |
634 | ||
635 | if (self_bp->bp->thread == -1) | |
636 | Py_RETURN_NONE; | |
637 | ||
638 | return PyInt_FromLong (self_bp->bp->thread); | |
639 | } | |
640 | ||
641 | /* Python function to get the breakpoint's task ID (in Ada). */ | |
642 | static PyObject * | |
643 | bppy_get_task (PyObject *self, void *closure) | |
644 | { | |
4cb0213d | 645 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
646 | |
647 | BPPY_REQUIRE_VALID (self_bp); | |
648 | ||
649 | if (self_bp->bp->task == 0) | |
650 | Py_RETURN_NONE; | |
651 | ||
652 | return PyInt_FromLong (self_bp->bp->task); | |
653 | } | |
654 | ||
655 | /* Python function to get the breakpoint's hit count. */ | |
656 | static PyObject * | |
657 | bppy_get_hit_count (PyObject *self, void *closure) | |
658 | { | |
4cb0213d | 659 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
660 | |
661 | BPPY_REQUIRE_VALID (self_bp); | |
662 | ||
663 | return PyInt_FromLong (self_bp->bp->hit_count); | |
664 | } | |
665 | ||
666 | /* Python function to get the breakpoint's ignore count. */ | |
667 | static PyObject * | |
668 | bppy_get_ignore_count (PyObject *self, void *closure) | |
669 | { | |
4cb0213d | 670 | gdbpy_breakpoint_object *self_bp = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
671 | |
672 | BPPY_REQUIRE_VALID (self_bp); | |
673 | ||
674 | return PyInt_FromLong (self_bp->bp->ignore_count); | |
675 | } | |
676 | ||
824cc835 PM |
677 | /* Internal function to validate the Python parameters/keywords |
678 | provided to bppy_init. */ | |
679 | ||
680 | static int | |
681 | bppy_init_validate_args (const char *spec, char *source, | |
682 | char *function, char *label, | |
683 | char *line, enum bptype type) | |
684 | { | |
685 | /* If spec is defined, ensure that none of the explicit location | |
686 | keywords are also defined. */ | |
687 | if (spec != NULL) | |
688 | { | |
689 | if (source != NULL || function != NULL || label != NULL || line != NULL) | |
690 | { | |
691 | PyErr_SetString (PyExc_RuntimeError, | |
692 | _("Breakpoints specified with spec cannot " | |
693 | "have source, function, label or line defined.")); | |
694 | return -1; | |
695 | } | |
696 | } | |
697 | else | |
698 | { | |
699 | /* If spec isn't defined, ensure that the user is not trying to | |
700 | define a watchpoint with an explicit location. */ | |
701 | if (type == bp_watchpoint) | |
702 | { | |
703 | PyErr_SetString (PyExc_RuntimeError, | |
704 | _("Watchpoints cannot be set by explicit " | |
705 | "location parameters.")); | |
706 | return -1; | |
707 | } | |
708 | else | |
709 | { | |
710 | /* Otherwise, ensure some explicit locations are defined. */ | |
711 | if (source == NULL && function == NULL && label == NULL | |
712 | && line == NULL) | |
713 | { | |
714 | PyErr_SetString (PyExc_RuntimeError, | |
715 | _("Neither spec nor explicit location set.")); | |
716 | return -1; | |
717 | } | |
718 | /* Finally, if source is specified, ensure that line, label | |
719 | or function are specified too. */ | |
720 | if (source != NULL && function == NULL && label == NULL | |
721 | && line == NULL) | |
722 | { | |
723 | PyErr_SetString (PyExc_RuntimeError, | |
724 | _("Specifying a source must also include a " | |
725 | "line, label or function.")); | |
726 | return -1; | |
727 | } | |
728 | } | |
729 | } | |
730 | return 1; | |
731 | } | |
732 | ||
adc36818 | 733 | /* Python function to create a new breakpoint. */ |
7371cf6d PM |
734 | static int |
735 | bppy_init (PyObject *self, PyObject *args, PyObject *kwargs) | |
adc36818 | 736 | { |
2adadf51 | 737 | static const char *keywords[] = { "spec", "type", "wp_class", "internal", |
824cc835 | 738 | "temporary","source", "function", |
b89641ba | 739 | "label", "line", "qualified", NULL }; |
824cc835 PM |
740 | const char *spec = NULL; |
741 | enum bptype type = bp_breakpoint; | |
adc36818 | 742 | int access_type = hw_write; |
84f4c1fe | 743 | PyObject *internal = NULL; |
f76c27b5 | 744 | PyObject *temporary = NULL; |
824cc835 | 745 | PyObject *lineobj = NULL;; |
84f4c1fe | 746 | int internal_bp = 0; |
f76c27b5 | 747 | int temporary_bp = 0; |
824cc835 PM |
748 | gdb::unique_xmalloc_ptr<char> line; |
749 | char *label = NULL; | |
750 | char *source = NULL; | |
751 | char *function = NULL; | |
8e557e52 | 752 | PyObject * qualified = NULL; |
adc36818 | 753 | |
8e557e52 | 754 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kwargs, "|siiOOsssOO", keywords, |
2adadf51 | 755 | &spec, &type, &access_type, |
824cc835 PM |
756 | &internal, |
757 | &temporary, &source, | |
b89641ba SM |
758 | &function, &label, &lineobj, |
759 | &qualified)) | |
7371cf6d | 760 | return -1; |
adc36818 | 761 | |
824cc835 PM |
762 | |
763 | if (lineobj != NULL) | |
764 | { | |
765 | if (PyInt_Check (lineobj)) | |
766 | line.reset (xstrprintf ("%ld", PyInt_AsLong (lineobj))); | |
767 | else if (PyString_Check (lineobj)) | |
768 | line = python_string_to_host_string (lineobj); | |
769 | else | |
770 | { | |
771 | PyErr_SetString (PyExc_RuntimeError, | |
772 | _("Line keyword should be an integer or a string. ")); | |
773 | return -1; | |
774 | } | |
775 | } | |
776 | ||
84f4c1fe PM |
777 | if (internal) |
778 | { | |
779 | internal_bp = PyObject_IsTrue (internal); | |
780 | if (internal_bp == -1) | |
7371cf6d | 781 | return -1; |
84f4c1fe PM |
782 | } |
783 | ||
f76c27b5 PM |
784 | if (temporary != NULL) |
785 | { | |
786 | temporary_bp = PyObject_IsTrue (temporary); | |
787 | if (temporary_bp == -1) | |
788 | return -1; | |
789 | } | |
790 | ||
824cc835 PM |
791 | if (bppy_init_validate_args (spec, source, function, label, line.get (), |
792 | type) == -1) | |
793 | return -1; | |
794 | ||
4cb0213d | 795 | bppy_pending_object = (gdbpy_breakpoint_object *) self; |
adc36818 PM |
796 | bppy_pending_object->number = -1; |
797 | bppy_pending_object->bp = NULL; | |
256458bc | 798 | |
492d29ea | 799 | TRY |
adc36818 PM |
800 | { |
801 | switch (type) | |
802 | { | |
803 | case bp_breakpoint: | |
804 | { | |
824cc835 | 805 | event_location_up location; |
b89641ba | 806 | symbol_name_match_type func_name_match_type |
8e557e52 | 807 | = (qualified != NULL && PyObject_IsTrue (qualified) |
b89641ba SM |
808 | ? symbol_name_match_type::FULL |
809 | : symbol_name_match_type::WILD); | |
824cc835 PM |
810 | |
811 | if (spec != NULL) | |
812 | { | |
813 | gdb::unique_xmalloc_ptr<char> | |
814 | copy_holder (xstrdup (skip_spaces (spec))); | |
815 | const char *copy = copy_holder.get (); | |
816 | ||
817 | location = string_to_event_location (©, | |
b89641ba SM |
818 | current_language, |
819 | func_name_match_type); | |
824cc835 PM |
820 | } |
821 | else | |
822 | { | |
823 | struct explicit_location explicit_loc; | |
824 | ||
825 | initialize_explicit_location (&explicit_loc); | |
826 | explicit_loc.source_filename = source; | |
827 | explicit_loc.function_name = function; | |
828 | explicit_loc.label_name = label; | |
829 | ||
830 | if (line != NULL) | |
831 | explicit_loc.line_offset = | |
832 | linespec_parse_line_offset (line.get ()); | |
833 | ||
b89641ba SM |
834 | explicit_loc.func_name_match_type = func_name_match_type; |
835 | ||
824cc835 PM |
836 | location = new_explicit_location (&explicit_loc); |
837 | } | |
838 | ||
adc36818 | 839 | create_breakpoint (python_gdbarch, |
ffc2605c | 840 | location.get (), NULL, -1, NULL, |
adc36818 | 841 | 0, |
f76c27b5 | 842 | temporary_bp, bp_breakpoint, |
adc36818 PM |
843 | 0, |
844 | AUTO_BOOLEAN_TRUE, | |
348d480f | 845 | &bkpt_breakpoint_ops, |
44f238bb | 846 | 0, 1, internal_bp, 0); |
adc36818 PM |
847 | break; |
848 | } | |
824cc835 | 849 | case bp_watchpoint: |
adc36818 | 850 | { |
824cc835 PM |
851 | gdb::unique_xmalloc_ptr<char> |
852 | copy_holder (xstrdup (skip_spaces (spec))); | |
853 | char *copy = copy_holder.get (); | |
854 | ||
adc36818 | 855 | if (access_type == hw_write) |
ddd49eee | 856 | watch_command_wrapper (copy, 0, internal_bp); |
adc36818 | 857 | else if (access_type == hw_access) |
ddd49eee | 858 | awatch_command_wrapper (copy, 0, internal_bp); |
adc36818 | 859 | else if (access_type == hw_read) |
ddd49eee | 860 | rwatch_command_wrapper (copy, 0, internal_bp); |
adc36818 PM |
861 | else |
862 | error(_("Cannot understand watchpoint access type.")); | |
863 | break; | |
864 | } | |
865 | default: | |
866 | error(_("Do not understand breakpoint type to set.")); | |
867 | } | |
868 | } | |
492d29ea | 869 | CATCH (except, RETURN_MASK_ALL) |
adc36818 | 870 | { |
f4952523 | 871 | bppy_pending_object = NULL; |
7371cf6d PM |
872 | PyErr_Format (except.reason == RETURN_QUIT |
873 | ? PyExc_KeyboardInterrupt : PyExc_RuntimeError, | |
874 | "%s", except.message); | |
875 | return -1; | |
adc36818 | 876 | } |
492d29ea | 877 | END_CATCH |
adc36818 | 878 | |
4cb0213d | 879 | BPPY_SET_REQUIRE_VALID ((gdbpy_breakpoint_object *) self); |
7371cf6d | 880 | return 0; |
adc36818 PM |
881 | } |
882 | ||
883 | \f | |
884 | ||
84f4c1fe PM |
885 | static int |
886 | build_bp_list (struct breakpoint *b, void *arg) | |
887 | { | |
19ba03f4 | 888 | PyObject *list = (PyObject *) arg; |
50389644 | 889 | PyObject *bp = (PyObject *) b->py_bp_object; |
84f4c1fe PM |
890 | int iserr = 0; |
891 | ||
892 | /* Not all breakpoints will have a companion Python object. | |
893 | Only breakpoints that were created via bppy_new, or | |
894 | breakpoints that were created externally and are tracked by | |
895 | the Python Scripting API. */ | |
896 | if (bp) | |
897 | iserr = PyList_Append (list, bp); | |
898 | ||
899 | if (iserr == -1) | |
900 | return 1; | |
901 | ||
902 | return 0; | |
903 | } | |
904 | ||
adc36818 PM |
905 | /* Static function to return a tuple holding all breakpoints. */ |
906 | ||
907 | PyObject * | |
908 | gdbpy_breakpoints (PyObject *self, PyObject *args) | |
909 | { | |
adc36818 | 910 | if (bppy_live == 0) |
1957f6b8 | 911 | return PyTuple_New (0); |
adc36818 | 912 | |
7780f186 | 913 | gdbpy_ref<> list (PyList_New (0)); |
bf2a52fa | 914 | if (list == NULL) |
84f4c1fe | 915 | return NULL; |
d59b6f6c | 916 | |
1957f6b8 | 917 | /* If iterate_over_breakpoints returns non NULL it signals an error |
84f4c1fe PM |
918 | condition. In that case abandon building the list and return |
919 | NULL. */ | |
bf2a52fa TT |
920 | if (iterate_over_breakpoints (build_bp_list, list.get ()) != NULL) |
921 | return NULL; | |
27ca1a5b | 922 | |
bf2a52fa | 923 | return PyList_AsTuple (list.get ()); |
adc36818 PM |
924 | } |
925 | ||
7371cf6d PM |
926 | /* Call the "stop" method (if implemented) in the breakpoint |
927 | class. If the method returns True, the inferior will be | |
928 | stopped at the breakpoint. Otherwise the inferior will be | |
929 | allowed to continue. */ | |
930 | ||
6dddc817 DE |
931 | enum ext_lang_bp_stop |
932 | gdbpy_breakpoint_cond_says_stop (const struct extension_language_defn *extlang, | |
933 | struct breakpoint *b) | |
7371cf6d | 934 | { |
6dddc817 DE |
935 | int stop; |
936 | struct gdbpy_breakpoint_object *bp_obj = b->py_bp_object; | |
7371cf6d | 937 | PyObject *py_bp = (PyObject *) bp_obj; |
6dddc817 | 938 | struct gdbarch *garch; |
6dddc817 DE |
939 | |
940 | if (bp_obj == NULL) | |
941 | return EXT_LANG_BP_STOP_UNSET; | |
942 | ||
943 | stop = -1; | |
944 | garch = b->gdbarch ? b->gdbarch : get_current_arch (); | |
de2dc875 TT |
945 | |
946 | gdbpy_enter enter_py (garch, current_language); | |
7371cf6d | 947 | |
cc72b2a2 KP |
948 | if (bp_obj->is_finish_bp) |
949 | bpfinishpy_pre_stop_hook (bp_obj); | |
950 | ||
7371cf6d PM |
951 | if (PyObject_HasAttrString (py_bp, stop_func)) |
952 | { | |
7780f186 | 953 | gdbpy_ref<> result (PyObject_CallMethod (py_bp, stop_func, NULL)); |
7371cf6d | 954 | |
6dddc817 | 955 | stop = 1; |
64081434 | 956 | if (result != NULL) |
7371cf6d | 957 | { |
64081434 | 958 | int evaluate = PyObject_IsTrue (result.get ()); |
7371cf6d PM |
959 | |
960 | if (evaluate == -1) | |
961 | gdbpy_print_stack (); | |
962 | ||
963 | /* If the "stop" function returns False that means | |
964 | the Python breakpoint wants GDB to continue. */ | |
965 | if (! evaluate) | |
966 | stop = 0; | |
7371cf6d PM |
967 | } |
968 | else | |
969 | gdbpy_print_stack (); | |
970 | } | |
cc72b2a2 KP |
971 | |
972 | if (bp_obj->is_finish_bp) | |
973 | bpfinishpy_post_stop_hook (bp_obj); | |
974 | ||
6dddc817 DE |
975 | if (stop < 0) |
976 | return EXT_LANG_BP_STOP_UNSET; | |
977 | return stop ? EXT_LANG_BP_STOP_YES : EXT_LANG_BP_STOP_NO; | |
7371cf6d PM |
978 | } |
979 | ||
980 | /* Checks if the "stop" method exists in this breakpoint. | |
981 | Used by condition_command to ensure mutual exclusion of breakpoint | |
982 | conditions. */ | |
983 | ||
984 | int | |
6dddc817 DE |
985 | gdbpy_breakpoint_has_cond (const struct extension_language_defn *extlang, |
986 | struct breakpoint *b) | |
7371cf6d | 987 | { |
6dddc817 DE |
988 | PyObject *py_bp; |
989 | struct gdbarch *garch; | |
256458bc | 990 | |
6dddc817 DE |
991 | if (b->py_bp_object == NULL) |
992 | return 0; | |
7371cf6d | 993 | |
6dddc817 DE |
994 | py_bp = (PyObject *) b->py_bp_object; |
995 | garch = b->gdbarch ? b->gdbarch : get_current_arch (); | |
7371cf6d | 996 | |
de2dc875 TT |
997 | gdbpy_enter enter_py (garch, current_language); |
998 | return PyObject_HasAttrString (py_bp, stop_func); | |
7371cf6d PM |
999 | } |
1000 | ||
adc36818 PM |
1001 | \f |
1002 | ||
1003 | /* Event callback functions. */ | |
1004 | ||
1005 | /* Callback that is used when a breakpoint is created. This function | |
1006 | will create a new Python breakpoint object. */ | |
1007 | static void | |
8d3788bd | 1008 | gdbpy_breakpoint_created (struct breakpoint *bp) |
adc36818 | 1009 | { |
4cb0213d | 1010 | gdbpy_breakpoint_object *newbp; |
adc36818 PM |
1011 | PyGILState_STATE state; |
1012 | ||
43684a7b | 1013 | if (!user_breakpoint_p (bp) && bppy_pending_object == NULL) |
84f4c1fe PM |
1014 | return; |
1015 | ||
256458bc | 1016 | if (bp->type != bp_breakpoint |
adc36818 | 1017 | && bp->type != bp_watchpoint |
256458bc | 1018 | && bp->type != bp_hardware_watchpoint |
adc36818 PM |
1019 | && bp->type != bp_read_watchpoint |
1020 | && bp->type != bp_access_watchpoint) | |
1021 | return; | |
1022 | ||
adc36818 PM |
1023 | state = PyGILState_Ensure (); |
1024 | ||
1025 | if (bppy_pending_object) | |
1026 | { | |
1027 | newbp = bppy_pending_object; | |
1028 | bppy_pending_object = NULL; | |
1029 | } | |
1030 | else | |
4cb0213d | 1031 | newbp = PyObject_New (gdbpy_breakpoint_object, &breakpoint_object_type); |
adc36818 PM |
1032 | if (newbp) |
1033 | { | |
8d3788bd | 1034 | newbp->number = bp->number; |
adc36818 | 1035 | newbp->bp = bp; |
50389644 | 1036 | newbp->bp->py_bp_object = newbp; |
cc72b2a2 | 1037 | newbp->is_finish_bp = 0; |
adc36818 | 1038 | Py_INCREF (newbp); |
84f4c1fe PM |
1039 | ++bppy_live; |
1040 | } | |
1041 | else | |
1042 | { | |
1043 | PyErr_SetString (PyExc_RuntimeError, | |
1044 | _("Error while creating breakpoint from GDB.")); | |
1045 | gdbpy_print_stack (); | |
adc36818 | 1046 | } |
adc36818 | 1047 | |
dac790e1 TT |
1048 | if (!evregpy_no_listeners_p (gdb_py_events.breakpoint_created)) |
1049 | { | |
dac790e1 TT |
1050 | if (evpy_emit_event ((PyObject *) newbp, |
1051 | gdb_py_events.breakpoint_created) < 0) | |
1052 | gdbpy_print_stack (); | |
1053 | } | |
1054 | ||
adc36818 PM |
1055 | PyGILState_Release (state); |
1056 | } | |
1057 | ||
1058 | /* Callback that is used when a breakpoint is deleted. This will | |
1059 | invalidate the corresponding Python object. */ | |
1060 | static void | |
8d3788bd | 1061 | gdbpy_breakpoint_deleted (struct breakpoint *b) |
adc36818 | 1062 | { |
8d3788bd | 1063 | int num = b->number; |
adc36818 | 1064 | PyGILState_STATE state; |
84f4c1fe | 1065 | struct breakpoint *bp = NULL; |
adc36818 PM |
1066 | |
1067 | state = PyGILState_Ensure (); | |
84f4c1fe | 1068 | bp = get_breakpoint (num); |
d930d06e | 1069 | if (bp) |
adc36818 | 1070 | { |
88b6faea TT |
1071 | gdbpy_ref<gdbpy_breakpoint_object> bp_obj (bp->py_bp_object); |
1072 | if (bp_obj != NULL) | |
d930d06e | 1073 | { |
dac790e1 TT |
1074 | if (!evregpy_no_listeners_p (gdb_py_events.breakpoint_deleted)) |
1075 | { | |
88b6faea | 1076 | if (evpy_emit_event ((PyObject *) bp_obj.get (), |
dac790e1 TT |
1077 | gdb_py_events.breakpoint_deleted) < 0) |
1078 | gdbpy_print_stack (); | |
1079 | } | |
1080 | ||
d930d06e TT |
1081 | bp_obj->bp = NULL; |
1082 | --bppy_live; | |
d930d06e | 1083 | } |
adc36818 PM |
1084 | } |
1085 | PyGILState_Release (state); | |
1086 | } | |
1087 | ||
dac790e1 TT |
1088 | /* Callback that is used when a breakpoint is modified. */ |
1089 | ||
1090 | static void | |
1091 | gdbpy_breakpoint_modified (struct breakpoint *b) | |
1092 | { | |
1093 | int num = b->number; | |
1094 | PyGILState_STATE state; | |
1095 | struct breakpoint *bp = NULL; | |
dac790e1 TT |
1096 | |
1097 | state = PyGILState_Ensure (); | |
1098 | bp = get_breakpoint (num); | |
1099 | if (bp) | |
1100 | { | |
1101 | PyObject *bp_obj = (PyObject *) bp->py_bp_object; | |
1102 | if (bp_obj) | |
1103 | { | |
1104 | if (!evregpy_no_listeners_p (gdb_py_events.breakpoint_modified)) | |
1105 | { | |
dac790e1 TT |
1106 | if (evpy_emit_event (bp_obj, |
1107 | gdb_py_events.breakpoint_modified) < 0) | |
1108 | gdbpy_print_stack (); | |
1109 | } | |
1110 | } | |
1111 | } | |
1112 | PyGILState_Release (state); | |
1113 | } | |
1114 | ||
adc36818 PM |
1115 | \f |
1116 | ||
1117 | /* Initialize the Python breakpoint code. */ | |
999633ed | 1118 | int |
adc36818 PM |
1119 | gdbpy_initialize_breakpoints (void) |
1120 | { | |
1121 | int i; | |
1122 | ||
6a1b1664 | 1123 | breakpoint_object_type.tp_new = PyType_GenericNew; |
adc36818 | 1124 | if (PyType_Ready (&breakpoint_object_type) < 0) |
999633ed | 1125 | return -1; |
adc36818 | 1126 | |
aa36459a TT |
1127 | if (gdb_pymodule_addobject (gdb_module, "Breakpoint", |
1128 | (PyObject *) &breakpoint_object_type) < 0) | |
999633ed | 1129 | return -1; |
adc36818 | 1130 | |
76727919 TT |
1131 | gdb::observers::breakpoint_created.attach (gdbpy_breakpoint_created); |
1132 | gdb::observers::breakpoint_deleted.attach (gdbpy_breakpoint_deleted); | |
1133 | gdb::observers::breakpoint_modified.attach (gdbpy_breakpoint_modified); | |
adc36818 PM |
1134 | |
1135 | /* Add breakpoint types constants. */ | |
1136 | for (i = 0; pybp_codes[i].name; ++i) | |
1137 | { | |
1138 | if (PyModule_AddIntConstant (gdb_module, | |
1139 | /* Cast needed for Python 2.4. */ | |
1140 | (char *) pybp_codes[i].name, | |
1141 | pybp_codes[i].code) < 0) | |
999633ed | 1142 | return -1; |
adc36818 PM |
1143 | } |
1144 | ||
1145 | /* Add watchpoint types constants. */ | |
1146 | for (i = 0; pybp_watch_types[i].name; ++i) | |
1147 | { | |
1148 | if (PyModule_AddIntConstant (gdb_module, | |
1149 | /* Cast needed for Python 2.4. */ | |
1150 | (char *) pybp_watch_types[i].name, | |
1151 | pybp_watch_types[i].code) < 0) | |
999633ed | 1152 | return -1; |
adc36818 PM |
1153 | } |
1154 | ||
999633ed | 1155 | return 0; |
adc36818 PM |
1156 | } |
1157 | ||
1158 | \f | |
1159 | ||
7371cf6d PM |
1160 | /* Helper function that overrides this Python object's |
1161 | PyObject_GenericSetAttr to allow extra validation of the attribute | |
1162 | being set. */ | |
1163 | ||
256458bc | 1164 | static int |
7371cf6d PM |
1165 | local_setattro (PyObject *self, PyObject *name, PyObject *v) |
1166 | { | |
256458bc | 1167 | gdbpy_breakpoint_object *obj = (gdbpy_breakpoint_object *) self; |
9b972014 | 1168 | gdb::unique_xmalloc_ptr<char> attr (python_string_to_host_string (name)); |
256458bc | 1169 | |
7371cf6d PM |
1170 | if (attr == NULL) |
1171 | return -1; | |
256458bc | 1172 | |
7371cf6d | 1173 | /* If the attribute trying to be set is the "stop" method, |
6dddc817 DE |
1174 | but we already have a condition set in the CLI or other extension |
1175 | language, disallow this operation. */ | |
9b972014 | 1176 | if (strcmp (attr.get (), stop_func) == 0) |
7371cf6d | 1177 | { |
6dddc817 DE |
1178 | const struct extension_language_defn *extlang = NULL; |
1179 | ||
1180 | if (obj->bp->cond_string != NULL) | |
1181 | extlang = get_ext_lang_defn (EXT_LANG_GDB); | |
1182 | if (extlang == NULL) | |
1183 | extlang = get_breakpoint_cond_ext_lang (obj->bp, EXT_LANG_PYTHON); | |
1184 | if (extlang != NULL) | |
1185 | { | |
7f968c89 TT |
1186 | std::string error_text |
1187 | = string_printf (_("Only one stop condition allowed. There is" | |
1188 | " currently a %s stop condition defined for" | |
1189 | " this breakpoint."), | |
1190 | ext_lang_capitalized_name (extlang)); | |
1191 | PyErr_SetString (PyExc_RuntimeError, error_text.c_str ()); | |
6dddc817 DE |
1192 | return -1; |
1193 | } | |
7371cf6d | 1194 | } |
256458bc | 1195 | |
256458bc | 1196 | return PyObject_GenericSetAttr ((PyObject *)self, name, v); |
7371cf6d PM |
1197 | } |
1198 | ||
0d1f4ceb | 1199 | static gdb_PyGetSetDef breakpoint_object_getset[] = { |
adc36818 PM |
1200 | { "enabled", bppy_get_enabled, bppy_set_enabled, |
1201 | "Boolean telling whether the breakpoint is enabled.", NULL }, | |
1202 | { "silent", bppy_get_silent, bppy_set_silent, | |
1203 | "Boolean telling whether the breakpoint is silent.", NULL }, | |
1204 | { "thread", bppy_get_thread, bppy_set_thread, | |
1205 | "Thread ID for the breakpoint.\n\ | |
1206 | If the value is a thread ID (integer), then this is a thread-specific breakpoint.\n\ | |
1207 | If the value is None, then this breakpoint is not thread-specific.\n\ | |
1208 | No other type of value can be used.", NULL }, | |
1209 | { "task", bppy_get_task, bppy_set_task, | |
1210 | "Thread ID for the breakpoint.\n\ | |
1211 | If the value is a task ID (integer), then this is an Ada task-specific breakpoint.\n\ | |
1212 | If the value is None, then this breakpoint is not task-specific.\n\ | |
1213 | No other type of value can be used.", NULL }, | |
1214 | { "ignore_count", bppy_get_ignore_count, bppy_set_ignore_count, | |
1215 | "Number of times this breakpoint should be automatically continued.", | |
1216 | NULL }, | |
1217 | { "number", bppy_get_number, NULL, | |
1218 | "Breakpoint's number assigned by GDB.", NULL }, | |
1219 | { "hit_count", bppy_get_hit_count, bppy_set_hit_count, | |
1220 | "Number of times the breakpoint has been hit.\n\ | |
1221 | Can be set to zero to clear the count. No other value is valid\n\ | |
1222 | when setting this property.", NULL }, | |
1223 | { "location", bppy_get_location, NULL, | |
1224 | "Location of the breakpoint, as specified by the user.", NULL}, | |
1225 | { "expression", bppy_get_expression, NULL, | |
1226 | "Expression of the breakpoint, as specified by the user.", NULL}, | |
1227 | { "condition", bppy_get_condition, bppy_set_condition, | |
1228 | "Condition of the breakpoint, as specified by the user,\ | |
1229 | or None if no condition set."}, | |
a913fffb | 1230 | { "commands", bppy_get_commands, bppy_set_commands, |
adc36818 PM |
1231 | "Commands of the breakpoint, as specified by the user."}, |
1232 | { "type", bppy_get_type, NULL, | |
1233 | "Type of breakpoint."}, | |
84f4c1fe PM |
1234 | { "visible", bppy_get_visibility, NULL, |
1235 | "Whether the breakpoint is visible to the user."}, | |
f76c27b5 PM |
1236 | { "temporary", bppy_get_temporary, NULL, |
1237 | "Whether this breakpoint is a temporary breakpoint."}, | |
93daf339 TT |
1238 | { "pending", bppy_get_pending, NULL, |
1239 | "Whether this breakpoint is a pending breakpoint."}, | |
adc36818 PM |
1240 | { NULL } /* Sentinel. */ |
1241 | }; | |
1242 | ||
1243 | static PyMethodDef breakpoint_object_methods[] = | |
1244 | { | |
1245 | { "is_valid", bppy_is_valid, METH_NOARGS, | |
1246 | "Return true if this breakpoint is valid, false if not." }, | |
94b6973e PM |
1247 | { "delete", bppy_delete_breakpoint, METH_NOARGS, |
1248 | "Delete the underlying GDB breakpoint." }, | |
adc36818 PM |
1249 | { NULL } /* Sentinel. */ |
1250 | }; | |
1251 | ||
cc72b2a2 | 1252 | PyTypeObject breakpoint_object_type = |
adc36818 | 1253 | { |
9a27f2c6 | 1254 | PyVarObject_HEAD_INIT (NULL, 0) |
adc36818 | 1255 | "gdb.Breakpoint", /*tp_name*/ |
4cb0213d | 1256 | sizeof (gdbpy_breakpoint_object), /*tp_basicsize*/ |
adc36818 PM |
1257 | 0, /*tp_itemsize*/ |
1258 | 0, /*tp_dealloc*/ | |
1259 | 0, /*tp_print*/ | |
1260 | 0, /*tp_getattr*/ | |
1261 | 0, /*tp_setattr*/ | |
1262 | 0, /*tp_compare*/ | |
1263 | 0, /*tp_repr*/ | |
1264 | 0, /*tp_as_number*/ | |
1265 | 0, /*tp_as_sequence*/ | |
1266 | 0, /*tp_as_mapping*/ | |
1267 | 0, /*tp_hash */ | |
1268 | 0, /*tp_call*/ | |
1269 | 0, /*tp_str*/ | |
1270 | 0, /*tp_getattro*/ | |
7371cf6d | 1271 | (setattrofunc)local_setattro, /*tp_setattro */ |
adc36818 | 1272 | 0, /*tp_as_buffer*/ |
7371cf6d | 1273 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
adc36818 PM |
1274 | "GDB breakpoint object", /* tp_doc */ |
1275 | 0, /* tp_traverse */ | |
1276 | 0, /* tp_clear */ | |
1277 | 0, /* tp_richcompare */ | |
1278 | 0, /* tp_weaklistoffset */ | |
1279 | 0, /* tp_iter */ | |
1280 | 0, /* tp_iternext */ | |
1281 | breakpoint_object_methods, /* tp_methods */ | |
1282 | 0, /* tp_members */ | |
7371cf6d PM |
1283 | breakpoint_object_getset, /* tp_getset */ |
1284 | 0, /* tp_base */ | |
1285 | 0, /* tp_dict */ | |
1286 | 0, /* tp_descr_get */ | |
1287 | 0, /* tp_descr_set */ | |
1288 | 0, /* tp_dictoffset */ | |
1289 | bppy_init, /* tp_init */ | |
1290 | 0, /* tp_alloc */ | |
adc36818 | 1291 | }; |