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595939de PM |
1 | /* Python interface to inferiors. |
2 | ||
b811d2c2 | 3 | Copyright (C) 2009-2020 Free Software Foundation, Inc. |
595939de 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" | |
595939de PM |
21 | #include "gdbcore.h" |
22 | #include "gdbthread.h" | |
23 | #include "inferior.h" | |
20c168b5 | 24 | #include "objfiles.h" |
76727919 | 25 | #include "observable.h" |
595939de PM |
26 | #include "python-internal.h" |
27 | #include "arch-utils.h" | |
28 | #include "language.h" | |
268a13a5 | 29 | #include "gdbsupport/gdb_signals.h" |
505500db SW |
30 | #include "py-event.h" |
31 | #include "py-stopevent.h" | |
595939de | 32 | |
05b08ac1 TT |
33 | struct threadlist_entry |
34 | { | |
35 | threadlist_entry (gdbpy_ref<thread_object> &&ref) | |
36 | : thread_obj (std::move (ref)) | |
37 | { | |
38 | } | |
39 | ||
40 | gdbpy_ref<thread_object> thread_obj; | |
595939de PM |
41 | struct threadlist_entry *next; |
42 | }; | |
43 | ||
00431a78 | 44 | struct inferior_object |
595939de PM |
45 | { |
46 | PyObject_HEAD | |
47 | ||
48 | /* The inferior we represent. */ | |
49 | struct inferior *inferior; | |
50 | ||
51 | /* thread_object instances under this inferior. This list owns a | |
52 | reference to each object it contains. */ | |
53 | struct threadlist_entry *threads; | |
54 | ||
55 | /* Number of threads in the list. */ | |
56 | int nthreads; | |
00431a78 | 57 | }; |
595939de | 58 | |
e36122e9 | 59 | extern PyTypeObject inferior_object_type |
62eec1a5 | 60 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("inferior_object"); |
595939de PM |
61 | |
62 | static const struct inferior_data *infpy_inf_data_key; | |
63 | ||
64 | typedef struct { | |
65 | PyObject_HEAD | |
66 | void *buffer; | |
67 | ||
68 | /* These are kept just for mbpy_str. */ | |
69 | CORE_ADDR addr; | |
70 | CORE_ADDR length; | |
71 | } membuf_object; | |
72 | ||
e36122e9 | 73 | extern PyTypeObject membuf_object_type |
62eec1a5 | 74 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("membuf_object"); |
595939de PM |
75 | |
76 | /* Require that INFERIOR be a valid inferior ID. */ | |
77 | #define INFPY_REQUIRE_VALID(Inferior) \ | |
78 | do { \ | |
79 | if (!Inferior->inferior) \ | |
80 | { \ | |
81 | PyErr_SetString (PyExc_RuntimeError, \ | |
82 | _("Inferior no longer exists.")); \ | |
83 | return NULL; \ | |
84 | } \ | |
85 | } while (0) | |
86 | ||
505500db SW |
87 | static void |
88 | python_on_normal_stop (struct bpstats *bs, int print_frame) | |
89 | { | |
2ea28649 | 90 | enum gdb_signal stop_signal; |
505500db | 91 | |
0646da15 TT |
92 | if (!gdb_python_initialized) |
93 | return; | |
94 | ||
151bb4a5 PA |
95 | if (inferior_ptid == null_ptid) |
96 | return; | |
505500db SW |
97 | |
98 | stop_signal = inferior_thread ()->suspend.stop_signal; | |
99 | ||
07bc7329 | 100 | gdbpy_enter enter_py (get_current_arch (), current_language); |
505500db SW |
101 | |
102 | if (emit_stop_event (bs, stop_signal) < 0) | |
103 | gdbpy_print_stack (); | |
505500db SW |
104 | } |
105 | ||
106 | static void | |
107 | python_on_resume (ptid_t ptid) | |
108 | { | |
0646da15 TT |
109 | if (!gdb_python_initialized) |
110 | return; | |
111 | ||
07bc7329 | 112 | gdbpy_enter enter_py (target_gdbarch (), current_language); |
505500db SW |
113 | |
114 | if (emit_continue_event (ptid) < 0) | |
115 | gdbpy_print_stack (); | |
505500db SW |
116 | } |
117 | ||
162078c8 NB |
118 | /* Callback, registered as an observer, that notifies Python listeners |
119 | when an inferior function call is about to be made. */ | |
120 | ||
121 | static void | |
122 | python_on_inferior_call_pre (ptid_t thread, CORE_ADDR address) | |
123 | { | |
07bc7329 | 124 | gdbpy_enter enter_py (target_gdbarch (), current_language); |
162078c8 NB |
125 | |
126 | if (emit_inferior_call_event (INFERIOR_CALL_PRE, thread, address) < 0) | |
127 | gdbpy_print_stack (); | |
162078c8 NB |
128 | } |
129 | ||
130 | /* Callback, registered as an observer, that notifies Python listeners | |
131 | when an inferior function call has completed. */ | |
132 | ||
133 | static void | |
134 | python_on_inferior_call_post (ptid_t thread, CORE_ADDR address) | |
135 | { | |
07bc7329 | 136 | gdbpy_enter enter_py (target_gdbarch (), current_language); |
162078c8 NB |
137 | |
138 | if (emit_inferior_call_event (INFERIOR_CALL_POST, thread, address) < 0) | |
139 | gdbpy_print_stack (); | |
162078c8 NB |
140 | } |
141 | ||
142 | /* Callback, registered as an observer, that notifies Python listeners | |
143 | when a part of memory has been modified by user action (eg via a | |
144 | 'set' command). */ | |
145 | ||
146 | static void | |
147 | python_on_memory_change (struct inferior *inferior, CORE_ADDR addr, ssize_t len, const bfd_byte *data) | |
148 | { | |
07bc7329 | 149 | gdbpy_enter enter_py (target_gdbarch (), current_language); |
162078c8 NB |
150 | |
151 | if (emit_memory_changed_event (addr, len) < 0) | |
152 | gdbpy_print_stack (); | |
162078c8 NB |
153 | } |
154 | ||
155 | /* Callback, registered as an observer, that notifies Python listeners | |
156 | when a register has been modified by user action (eg via a 'set' | |
157 | command). */ | |
158 | ||
159 | static void | |
160 | python_on_register_change (struct frame_info *frame, int regnum) | |
161 | { | |
07bc7329 | 162 | gdbpy_enter enter_py (target_gdbarch (), current_language); |
162078c8 NB |
163 | |
164 | if (emit_register_changed_event (frame, regnum) < 0) | |
165 | gdbpy_print_stack (); | |
162078c8 NB |
166 | } |
167 | ||
505500db SW |
168 | static void |
169 | python_inferior_exit (struct inferior *inf) | |
170 | { | |
8cf64490 | 171 | const LONGEST *exit_code = NULL; |
505500db | 172 | |
0646da15 TT |
173 | if (!gdb_python_initialized) |
174 | return; | |
175 | ||
07bc7329 | 176 | gdbpy_enter enter_py (target_gdbarch (), current_language); |
505500db | 177 | |
8cf64490 TT |
178 | if (inf->has_exit_code) |
179 | exit_code = &inf->exit_code; | |
505500db | 180 | |
cb6be26b | 181 | if (emit_exited_event (exit_code, inf) < 0) |
505500db | 182 | gdbpy_print_stack (); |
505500db SW |
183 | } |
184 | ||
20c168b5 | 185 | /* Callback used to notify Python listeners about new objfiles loaded in the |
4ffbba72 DE |
186 | inferior. OBJFILE may be NULL which means that the objfile list has been |
187 | cleared (emptied). */ | |
20c168b5 KP |
188 | |
189 | static void | |
190 | python_new_objfile (struct objfile *objfile) | |
191 | { | |
0646da15 TT |
192 | if (!gdb_python_initialized) |
193 | return; | |
194 | ||
07bc7329 | 195 | gdbpy_enter enter_py (objfile != NULL |
08feed99 | 196 | ? objfile->arch () |
07bc7329 TT |
197 | : target_gdbarch (), |
198 | current_language); | |
20c168b5 | 199 | |
4ffbba72 DE |
200 | if (objfile == NULL) |
201 | { | |
202 | if (emit_clear_objfiles_event () < 0) | |
203 | gdbpy_print_stack (); | |
204 | } | |
205 | else | |
206 | { | |
207 | if (emit_new_objfile_event (objfile) < 0) | |
208 | gdbpy_print_stack (); | |
209 | } | |
20c168b5 KP |
210 | } |
211 | ||
754eadd1 | 212 | /* Return a reference to the Python object of type Inferior |
595939de | 213 | representing INFERIOR. If the object has already been created, |
754eadd1 PM |
214 | return it and increment the reference count, otherwise, create it. |
215 | Return NULL on failure. */ | |
00431a78 | 216 | |
61fd3e73 | 217 | gdbpy_ref<inferior_object> |
595939de PM |
218 | inferior_to_inferior_object (struct inferior *inferior) |
219 | { | |
220 | inferior_object *inf_obj; | |
221 | ||
19ba03f4 | 222 | inf_obj = (inferior_object *) inferior_data (inferior, infpy_inf_data_key); |
595939de PM |
223 | if (!inf_obj) |
224 | { | |
595939de PM |
225 | inf_obj = PyObject_New (inferior_object, &inferior_object_type); |
226 | if (!inf_obj) | |
61fd3e73 | 227 | return NULL; |
595939de PM |
228 | |
229 | inf_obj->inferior = inferior; | |
230 | inf_obj->threads = NULL; | |
231 | inf_obj->nthreads = 0; | |
232 | ||
72bc1d24 SM |
233 | /* PyObject_New initializes the new object with a refcount of 1. This |
234 | counts for the reference we are keeping in the inferior data. */ | |
595939de | 235 | set_inferior_data (inferior, infpy_inf_data_key, inf_obj); |
595939de | 236 | } |
72bc1d24 SM |
237 | |
238 | /* We are returning a new reference. */ | |
61fd3e73 TT |
239 | gdb_assert (inf_obj != nullptr); |
240 | return gdbpy_ref<inferior_object>::new_reference (inf_obj); | |
595939de PM |
241 | } |
242 | ||
7c96f8c1 TT |
243 | /* Called when a new inferior is created. Notifies any Python event |
244 | listeners. */ | |
245 | static void | |
246 | python_new_inferior (struct inferior *inf) | |
247 | { | |
248 | if (!gdb_python_initialized) | |
249 | return; | |
250 | ||
251 | gdbpy_enter enter_py (python_gdbarch, python_language); | |
252 | ||
253 | if (evregpy_no_listeners_p (gdb_py_events.new_inferior)) | |
254 | return; | |
255 | ||
61fd3e73 | 256 | gdbpy_ref<inferior_object> inf_obj = inferior_to_inferior_object (inf); |
7c96f8c1 TT |
257 | if (inf_obj == NULL) |
258 | { | |
259 | gdbpy_print_stack (); | |
260 | return; | |
261 | } | |
262 | ||
d98fc15b | 263 | gdbpy_ref<> event = create_event_object (&new_inferior_event_object_type); |
7c96f8c1 | 264 | if (event == NULL |
00431a78 PA |
265 | || evpy_add_attribute (event.get (), "inferior", |
266 | (PyObject *) inf_obj.get ()) < 0 | |
7c96f8c1 TT |
267 | || evpy_emit_event (event.get (), gdb_py_events.new_inferior) < 0) |
268 | gdbpy_print_stack (); | |
269 | } | |
270 | ||
271 | /* Called when an inferior is removed. Notifies any Python event | |
272 | listeners. */ | |
273 | static void | |
274 | python_inferior_deleted (struct inferior *inf) | |
275 | { | |
276 | if (!gdb_python_initialized) | |
277 | return; | |
278 | ||
279 | gdbpy_enter enter_py (python_gdbarch, python_language); | |
280 | ||
281 | if (evregpy_no_listeners_p (gdb_py_events.inferior_deleted)) | |
282 | return; | |
283 | ||
61fd3e73 | 284 | gdbpy_ref<inferior_object> inf_obj = inferior_to_inferior_object (inf); |
7c96f8c1 TT |
285 | if (inf_obj == NULL) |
286 | { | |
287 | gdbpy_print_stack (); | |
288 | return; | |
289 | } | |
290 | ||
d98fc15b | 291 | gdbpy_ref<> event = create_event_object (&inferior_deleted_event_object_type); |
7c96f8c1 | 292 | if (event == NULL |
00431a78 PA |
293 | || evpy_add_attribute (event.get (), "inferior", |
294 | (PyObject *) inf_obj.get ()) < 0 | |
7c96f8c1 TT |
295 | || evpy_emit_event (event.get (), gdb_py_events.inferior_deleted) < 0) |
296 | gdbpy_print_stack (); | |
297 | } | |
298 | ||
db1337cc | 299 | gdbpy_ref<> |
00431a78 | 300 | thread_to_thread_object (thread_info *thr) |
595939de | 301 | { |
61fd3e73 | 302 | gdbpy_ref<inferior_object> inf_obj = inferior_to_inferior_object (thr->inf); |
9205649a | 303 | if (inf_obj == NULL) |
754eadd1 PM |
304 | return NULL; |
305 | ||
00431a78 PA |
306 | for (threadlist_entry *thread = inf_obj->threads; |
307 | thread != NULL; | |
754eadd1 | 308 | thread = thread->next) |
00431a78 | 309 | if (thread->thread_obj->thread == thr) |
05b08ac1 | 310 | return gdbpy_ref<>::new_reference ((PyObject *) thread->thread_obj.get ()); |
595939de | 311 | |
4a137fec TT |
312 | PyErr_SetString (PyExc_SystemError, |
313 | _("could not find gdb thread object")); | |
595939de PM |
314 | return NULL; |
315 | } | |
316 | ||
317 | static void | |
318 | add_thread_object (struct thread_info *tp) | |
319 | { | |
595939de PM |
320 | inferior_object *inf_obj; |
321 | struct threadlist_entry *entry; | |
322 | ||
0646da15 TT |
323 | if (!gdb_python_initialized) |
324 | return; | |
325 | ||
07bc7329 | 326 | gdbpy_enter enter_py (python_gdbarch, python_language); |
595939de | 327 | |
05b08ac1 TT |
328 | gdbpy_ref<thread_object> thread_obj = create_thread_object (tp); |
329 | if (thread_obj == NULL) | |
595939de PM |
330 | { |
331 | gdbpy_print_stack (); | |
595939de PM |
332 | return; |
333 | } | |
334 | ||
335 | inf_obj = (inferior_object *) thread_obj->inf_obj; | |
336 | ||
05b08ac1 | 337 | entry = new threadlist_entry (std::move (thread_obj)); |
595939de PM |
338 | entry->next = inf_obj->threads; |
339 | ||
340 | inf_obj->threads = entry; | |
341 | inf_obj->nthreads++; | |
7c96f8c1 TT |
342 | |
343 | if (evregpy_no_listeners_p (gdb_py_events.new_thread)) | |
344 | return; | |
345 | ||
d98fc15b | 346 | gdbpy_ref<> event = create_thread_event_object (&new_thread_event_object_type, |
72ee03ff | 347 | (PyObject *) inf_obj); |
7c96f8c1 TT |
348 | if (event == NULL |
349 | || evpy_emit_event (event.get (), gdb_py_events.new_thread) < 0) | |
350 | gdbpy_print_stack (); | |
595939de PM |
351 | } |
352 | ||
353 | static void | |
354 | delete_thread_object (struct thread_info *tp, int ignore) | |
355 | { | |
595939de | 356 | struct threadlist_entry **entry, *tmp; |
256458bc | 357 | |
0646da15 TT |
358 | if (!gdb_python_initialized) |
359 | return; | |
360 | ||
07bc7329 | 361 | gdbpy_enter enter_py (python_gdbarch, python_language); |
595939de | 362 | |
61fd3e73 | 363 | gdbpy_ref<inferior_object> inf_obj = inferior_to_inferior_object (tp->inf); |
88b6faea | 364 | if (inf_obj == NULL) |
07bc7329 | 365 | return; |
595939de PM |
366 | |
367 | /* Find thread entry in its inferior's thread_list. */ | |
368 | for (entry = &inf_obj->threads; *entry != NULL; entry = | |
369 | &(*entry)->next) | |
370 | if ((*entry)->thread_obj->thread == tp) | |
371 | break; | |
372 | ||
373 | if (!*entry) | |
88b6faea | 374 | return; |
595939de | 375 | |
595939de PM |
376 | tmp = *entry; |
377 | tmp->thread_obj->thread = NULL; | |
378 | ||
379 | *entry = (*entry)->next; | |
380 | inf_obj->nthreads--; | |
381 | ||
05b08ac1 | 382 | delete tmp; |
595939de PM |
383 | } |
384 | ||
385 | static PyObject * | |
386 | infpy_threads (PyObject *self, PyObject *args) | |
387 | { | |
388 | int i; | |
389 | struct threadlist_entry *entry; | |
390 | inferior_object *inf_obj = (inferior_object *) self; | |
391 | PyObject *tuple; | |
392 | ||
393 | INFPY_REQUIRE_VALID (inf_obj); | |
394 | ||
a70b8144 | 395 | try |
492d29ea PA |
396 | { |
397 | update_thread_list (); | |
398 | } | |
230d2906 | 399 | catch (const gdb_exception &except) |
492d29ea PA |
400 | { |
401 | GDB_PY_HANDLE_EXCEPTION (except); | |
402 | } | |
f66713d2 | 403 | |
595939de PM |
404 | tuple = PyTuple_New (inf_obj->nthreads); |
405 | if (!tuple) | |
406 | return NULL; | |
407 | ||
408 | for (i = 0, entry = inf_obj->threads; i < inf_obj->nthreads; | |
409 | i++, entry = entry->next) | |
410 | { | |
05b08ac1 TT |
411 | PyObject *thr = (PyObject *) entry->thread_obj.get (); |
412 | Py_INCREF (thr); | |
413 | PyTuple_SET_ITEM (tuple, i, thr); | |
595939de PM |
414 | } |
415 | ||
416 | return tuple; | |
417 | } | |
418 | ||
419 | static PyObject * | |
420 | infpy_get_num (PyObject *self, void *closure) | |
421 | { | |
422 | inferior_object *inf = (inferior_object *) self; | |
423 | ||
424 | INFPY_REQUIRE_VALID (inf); | |
425 | ||
426 | return PyLong_FromLong (inf->inferior->num); | |
427 | } | |
428 | ||
429 | static PyObject * | |
430 | infpy_get_pid (PyObject *self, void *closure) | |
431 | { | |
432 | inferior_object *inf = (inferior_object *) self; | |
433 | ||
434 | INFPY_REQUIRE_VALID (inf); | |
435 | ||
436 | return PyLong_FromLong (inf->inferior->pid); | |
437 | } | |
438 | ||
439 | static PyObject * | |
440 | infpy_get_was_attached (PyObject *self, void *closure) | |
441 | { | |
442 | inferior_object *inf = (inferior_object *) self; | |
443 | ||
444 | INFPY_REQUIRE_VALID (inf); | |
445 | if (inf->inferior->attach_flag) | |
446 | Py_RETURN_TRUE; | |
447 | Py_RETURN_FALSE; | |
448 | } | |
449 | ||
a40bf0c2 SM |
450 | /* Getter of gdb.Inferior.progspace. */ |
451 | ||
452 | static PyObject * | |
453 | infpy_get_progspace (PyObject *self, void *closure) | |
454 | { | |
455 | inferior_object *inf = (inferior_object *) self; | |
456 | ||
457 | INFPY_REQUIRE_VALID (inf); | |
458 | ||
459 | program_space *pspace = inf->inferior->pspace; | |
460 | gdb_assert (pspace != nullptr); | |
461 | ||
3c7aa307 | 462 | return pspace_to_pspace_object (pspace).release (); |
a40bf0c2 SM |
463 | } |
464 | ||
595939de PM |
465 | /* Implementation of gdb.inferiors () -> (gdb.Inferior, ...). |
466 | Returns a tuple of all inferiors. */ | |
467 | PyObject * | |
468 | gdbpy_inferiors (PyObject *unused, PyObject *unused2) | |
469 | { | |
7780f186 | 470 | gdbpy_ref<> list (PyList_New (0)); |
f59fe7f8 | 471 | if (list == NULL) |
595939de PM |
472 | return NULL; |
473 | ||
d9bc85b6 SM |
474 | for (inferior *inf : all_inferiors ()) |
475 | { | |
476 | gdbpy_ref<inferior_object> inferior = inferior_to_inferior_object (inf); | |
477 | ||
478 | if (inferior == NULL) | |
479 | continue; | |
480 | ||
481 | if (PyList_Append (list.get (), (PyObject *) inferior.get ()) != 0) | |
482 | return NULL; | |
483 | } | |
27ca1a5b | 484 | |
f59fe7f8 | 485 | return PyList_AsTuple (list.get ()); |
595939de PM |
486 | } |
487 | ||
488 | /* Membuf and memory manipulation. */ | |
489 | ||
2678e2af | 490 | /* Implementation of Inferior.read_memory (address, length). |
595939de | 491 | Returns a Python buffer object with LENGTH bytes of the inferior's |
8dc78533 JK |
492 | memory at ADDRESS. Both arguments are integers. Returns NULL on error, |
493 | with a python exception set. */ | |
595939de PM |
494 | static PyObject * |
495 | infpy_read_memory (PyObject *self, PyObject *args, PyObject *kw) | |
496 | { | |
595939de | 497 | CORE_ADDR addr, length; |
075c55e0 | 498 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; |
cc0265cd | 499 | PyObject *addr_obj, *length_obj, *result; |
2adadf51 | 500 | static const char *keywords[] = { "address", "length", NULL }; |
595939de | 501 | |
2adadf51 PA |
502 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "OO", keywords, |
503 | &addr_obj, &length_obj)) | |
595939de PM |
504 | return NULL; |
505 | ||
b86af38a TT |
506 | if (get_addr_from_python (addr_obj, &addr) < 0 |
507 | || get_addr_from_python (length_obj, &length) < 0) | |
508 | return NULL; | |
509 | ||
a70b8144 | 510 | try |
595939de | 511 | { |
075c55e0 | 512 | buffer.reset ((gdb_byte *) xmalloc (length)); |
595939de | 513 | |
075c55e0 | 514 | read_memory (addr, buffer.get (), length); |
595939de | 515 | } |
230d2906 | 516 | catch (const gdb_exception &except) |
595939de | 517 | { |
595939de PM |
518 | GDB_PY_HANDLE_EXCEPTION (except); |
519 | } | |
520 | ||
88b6faea TT |
521 | gdbpy_ref<membuf_object> membuf_obj (PyObject_New (membuf_object, |
522 | &membuf_object_type)); | |
595939de | 523 | if (membuf_obj == NULL) |
075c55e0 | 524 | return NULL; |
595939de | 525 | |
075c55e0 | 526 | membuf_obj->buffer = buffer.release (); |
595939de PM |
527 | membuf_obj->addr = addr; |
528 | membuf_obj->length = length; | |
529 | ||
9a27f2c6 | 530 | #ifdef IS_PY3K |
88b6faea | 531 | result = PyMemoryView_FromObject ((PyObject *) membuf_obj.get ()); |
9a27f2c6 | 532 | #else |
88b6faea | 533 | result = PyBuffer_FromReadWriteObject ((PyObject *) membuf_obj.get (), 0, |
cc0265cd | 534 | Py_END_OF_BUFFER); |
9a27f2c6 | 535 | #endif |
9a27f2c6 | 536 | |
cc0265cd | 537 | return result; |
595939de PM |
538 | } |
539 | ||
2678e2af | 540 | /* Implementation of Inferior.write_memory (address, buffer [, length]). |
595939de PM |
541 | Writes the contents of BUFFER (a Python object supporting the read |
542 | buffer protocol) at ADDRESS in the inferior's memory. Write LENGTH | |
543 | bytes from BUFFER, or its entire contents if the argument is not | |
8dc78533 JK |
544 | provided. The function returns nothing. Returns NULL on error, with |
545 | a python exception set. */ | |
595939de PM |
546 | static PyObject * |
547 | infpy_write_memory (PyObject *self, PyObject *args, PyObject *kw) | |
548 | { | |
cc06b668 | 549 | struct gdb_exception except; |
ddd49eee | 550 | Py_ssize_t buf_len; |
7c543f7b | 551 | const gdb_byte *buffer; |
595939de PM |
552 | CORE_ADDR addr, length; |
553 | PyObject *addr_obj, *length_obj = NULL; | |
2adadf51 | 554 | static const char *keywords[] = { "address", "buffer", "length", NULL }; |
9a27f2c6 | 555 | Py_buffer pybuf; |
595939de | 556 | |
2adadf51 PA |
557 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "Os*|O", keywords, |
558 | &addr_obj, &pybuf, &length_obj)) | |
9a27f2c6 | 559 | return NULL; |
595939de | 560 | |
6ca62222 | 561 | Py_buffer_up buffer_up (&pybuf); |
7c543f7b | 562 | buffer = (const gdb_byte *) pybuf.buf; |
9a27f2c6 | 563 | buf_len = pybuf.len; |
595939de | 564 | |
b86af38a | 565 | if (get_addr_from_python (addr_obj, &addr) < 0) |
6ca62222 | 566 | return nullptr; |
b86af38a TT |
567 | |
568 | if (!length_obj) | |
569 | length = buf_len; | |
570 | else if (get_addr_from_python (length_obj, &length) < 0) | |
6ca62222 | 571 | return nullptr; |
b86af38a | 572 | |
a70b8144 | 573 | try |
595939de | 574 | { |
7c543f7b | 575 | write_memory_with_notification (addr, buffer, length); |
595939de | 576 | } |
94aeb44b | 577 | catch (gdb_exception &ex) |
492d29ea | 578 | { |
94aeb44b | 579 | except = std::move (ex); |
492d29ea | 580 | } |
492d29ea | 581 | |
595939de PM |
582 | GDB_PY_HANDLE_EXCEPTION (except); |
583 | ||
595939de PM |
584 | Py_RETURN_NONE; |
585 | } | |
586 | ||
587 | /* Destructor of Membuf objects. */ | |
588 | static void | |
589 | mbpy_dealloc (PyObject *self) | |
590 | { | |
591 | xfree (((membuf_object *) self)->buffer); | |
9a27f2c6 | 592 | Py_TYPE (self)->tp_free (self); |
595939de PM |
593 | } |
594 | ||
595 | /* Return a description of the Membuf object. */ | |
596 | static PyObject * | |
597 | mbpy_str (PyObject *self) | |
598 | { | |
599 | membuf_object *membuf_obj = (membuf_object *) self; | |
600 | ||
601 | return PyString_FromFormat (_("Memory buffer for address %s, \ | |
602 | which is %s bytes long."), | |
603 | paddress (python_gdbarch, membuf_obj->addr), | |
604 | pulongest (membuf_obj->length)); | |
605 | } | |
606 | ||
9a27f2c6 PK |
607 | #ifdef IS_PY3K |
608 | ||
609 | static int | |
610 | get_buffer (PyObject *self, Py_buffer *buf, int flags) | |
611 | { | |
612 | membuf_object *membuf_obj = (membuf_object *) self; | |
613 | int ret; | |
256458bc | 614 | |
9a27f2c6 | 615 | ret = PyBuffer_FillInfo (buf, self, membuf_obj->buffer, |
256458bc | 616 | membuf_obj->length, 0, |
9a27f2c6 | 617 | PyBUF_CONTIG); |
a121b7c1 PA |
618 | |
619 | /* Despite the documentation saying this field is a "const char *", | |
620 | in Python 3.4 at least, it's really a "char *". */ | |
621 | buf->format = (char *) "c"; | |
9a27f2c6 PK |
622 | |
623 | return ret; | |
624 | } | |
625 | ||
626 | #else | |
627 | ||
595939de PM |
628 | static Py_ssize_t |
629 | get_read_buffer (PyObject *self, Py_ssize_t segment, void **ptrptr) | |
630 | { | |
631 | membuf_object *membuf_obj = (membuf_object *) self; | |
632 | ||
633 | if (segment) | |
634 | { | |
635 | PyErr_SetString (PyExc_SystemError, | |
636 | _("The memory buffer supports only one segment.")); | |
637 | return -1; | |
638 | } | |
639 | ||
640 | *ptrptr = membuf_obj->buffer; | |
641 | ||
642 | return membuf_obj->length; | |
643 | } | |
644 | ||
645 | static Py_ssize_t | |
646 | get_write_buffer (PyObject *self, Py_ssize_t segment, void **ptrptr) | |
647 | { | |
648 | return get_read_buffer (self, segment, ptrptr); | |
649 | } | |
650 | ||
651 | static Py_ssize_t | |
652 | get_seg_count (PyObject *self, Py_ssize_t *lenp) | |
653 | { | |
654 | if (lenp) | |
655 | *lenp = ((membuf_object *) self)->length; | |
656 | ||
657 | return 1; | |
658 | } | |
659 | ||
660 | static Py_ssize_t | |
661 | get_char_buffer (PyObject *self, Py_ssize_t segment, char **ptrptr) | |
662 | { | |
663 | void *ptr = NULL; | |
664 | Py_ssize_t ret; | |
665 | ||
666 | ret = get_read_buffer (self, segment, &ptr); | |
667 | *ptrptr = (char *) ptr; | |
668 | ||
669 | return ret; | |
670 | } | |
671 | ||
9a27f2c6 PK |
672 | #endif /* IS_PY3K */ |
673 | ||
595939de PM |
674 | /* Implementation of |
675 | gdb.search_memory (address, length, pattern). ADDRESS is the | |
676 | address to start the search. LENGTH specifies the scope of the | |
677 | search from ADDRESS. PATTERN is the pattern to search for (and | |
678 | must be a Python object supporting the buffer protocol). | |
679 | Returns a Python Long object holding the address where the pattern | |
8dc78533 JK |
680 | was located, or if the pattern was not found, returns None. Returns NULL |
681 | on error, with a python exception set. */ | |
595939de PM |
682 | static PyObject * |
683 | infpy_search_memory (PyObject *self, PyObject *args, PyObject *kw) | |
684 | { | |
cc06b668 | 685 | struct gdb_exception except; |
595939de | 686 | CORE_ADDR start_addr, length; |
2adadf51 | 687 | static const char *keywords[] = { "address", "length", "pattern", NULL }; |
9a27f2c6 | 688 | PyObject *start_addr_obj, *length_obj; |
595939de | 689 | Py_ssize_t pattern_size; |
7c543f7b | 690 | const gdb_byte *buffer; |
595939de PM |
691 | CORE_ADDR found_addr; |
692 | int found = 0; | |
9a27f2c6 | 693 | Py_buffer pybuf; |
595939de | 694 | |
2adadf51 PA |
695 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "OOs*", keywords, |
696 | &start_addr_obj, &length_obj, | |
697 | &pybuf)) | |
9a27f2c6 PK |
698 | return NULL; |
699 | ||
6ca62222 | 700 | Py_buffer_up buffer_up (&pybuf); |
7c543f7b | 701 | buffer = (const gdb_byte *) pybuf.buf; |
9a27f2c6 | 702 | pattern_size = pybuf.len; |
595939de | 703 | |
b86af38a | 704 | if (get_addr_from_python (start_addr_obj, &start_addr) < 0) |
6ca62222 | 705 | return nullptr; |
256458bc | 706 | |
b86af38a | 707 | if (get_addr_from_python (length_obj, &length) < 0) |
6ca62222 | 708 | return nullptr; |
9a27f2c6 | 709 | |
b86af38a TT |
710 | if (!length) |
711 | { | |
712 | PyErr_SetString (PyExc_ValueError, | |
713 | _("Search range is empty.")); | |
6ca62222 | 714 | return nullptr; |
b86af38a TT |
715 | } |
716 | /* Watch for overflows. */ | |
717 | else if (length > CORE_ADDR_MAX | |
718 | || (start_addr + length - 1) < start_addr) | |
719 | { | |
720 | PyErr_SetString (PyExc_ValueError, | |
721 | _("The search range is too large.")); | |
6ca62222 | 722 | return nullptr; |
595939de | 723 | } |
595939de | 724 | |
a70b8144 | 725 | try |
595939de PM |
726 | { |
727 | found = target_search_memory (start_addr, length, | |
728 | buffer, pattern_size, | |
729 | &found_addr); | |
730 | } | |
94aeb44b | 731 | catch (gdb_exception &ex) |
492d29ea | 732 | { |
94aeb44b | 733 | except = std::move (ex); |
492d29ea | 734 | } |
492d29ea | 735 | |
b86af38a | 736 | GDB_PY_HANDLE_EXCEPTION (except); |
9a27f2c6 | 737 | |
595939de PM |
738 | if (found) |
739 | return PyLong_FromLong (found_addr); | |
740 | else | |
741 | Py_RETURN_NONE; | |
742 | } | |
743 | ||
29703da4 PM |
744 | /* Implementation of gdb.Inferior.is_valid (self) -> Boolean. |
745 | Returns True if this inferior object still exists in GDB. */ | |
746 | ||
747 | static PyObject * | |
748 | infpy_is_valid (PyObject *self, PyObject *args) | |
749 | { | |
750 | inferior_object *inf = (inferior_object *) self; | |
751 | ||
752 | if (! inf->inferior) | |
753 | Py_RETURN_FALSE; | |
754 | ||
755 | Py_RETURN_TRUE; | |
756 | } | |
757 | ||
2b0c8b01 | 758 | /* Implementation of gdb.Inferior.thread_from_handle (self, handle) |
fbbe5337 KB |
759 | -> gdb.InferiorThread. */ |
760 | ||
7d221512 | 761 | static PyObject * |
fbbe5337 KB |
762 | infpy_thread_from_thread_handle (PyObject *self, PyObject *args, PyObject *kw) |
763 | { | |
db1337cc | 764 | PyObject *handle_obj; |
fbbe5337 | 765 | inferior_object *inf_obj = (inferior_object *) self; |
2b0c8b01 | 766 | static const char *keywords[] = { "handle", NULL }; |
fbbe5337 KB |
767 | |
768 | INFPY_REQUIRE_VALID (inf_obj); | |
769 | ||
770 | if (! gdb_PyArg_ParseTupleAndKeywords (args, kw, "O", keywords, &handle_obj)) | |
771 | return NULL; | |
772 | ||
50a82723 KB |
773 | const gdb_byte *bytes; |
774 | size_t bytes_len; | |
775 | Py_buffer_up buffer_up; | |
776 | Py_buffer py_buf; | |
777 | ||
778 | if (PyObject_CheckBuffer (handle_obj) | |
779 | && PyObject_GetBuffer (handle_obj, &py_buf, PyBUF_SIMPLE) == 0) | |
780 | { | |
781 | buffer_up.reset (&py_buf); | |
782 | bytes = (const gdb_byte *) py_buf.buf; | |
783 | bytes_len = py_buf.len; | |
784 | } | |
785 | else if (gdbpy_is_value_object (handle_obj)) | |
786 | { | |
787 | struct value *val = value_object_to_value (handle_obj); | |
788 | bytes = value_contents_all (val); | |
789 | bytes_len = TYPE_LENGTH (value_type (val)); | |
790 | } | |
791 | else | |
fbbe5337 KB |
792 | { |
793 | PyErr_SetString (PyExc_TypeError, | |
2b0c8b01 | 794 | _("Argument 'handle' must be a thread handle object.")); |
fbbe5337 KB |
795 | |
796 | return NULL; | |
797 | } | |
db1337cc | 798 | |
a70b8144 | 799 | try |
db1337cc TT |
800 | { |
801 | struct thread_info *thread_info; | |
db1337cc | 802 | |
50a82723 KB |
803 | thread_info = find_thread_by_handle |
804 | (gdb::array_view<const gdb_byte> (bytes, bytes_len), | |
805 | inf_obj->inferior); | |
db1337cc | 806 | if (thread_info != NULL) |
4a137fec | 807 | return thread_to_thread_object (thread_info).release (); |
db1337cc | 808 | } |
230d2906 | 809 | catch (const gdb_exception &except) |
fbbe5337 | 810 | { |
db1337cc | 811 | GDB_PY_HANDLE_EXCEPTION (except); |
fbbe5337 KB |
812 | } |
813 | ||
4a137fec | 814 | Py_RETURN_NONE; |
fbbe5337 KB |
815 | } |
816 | ||
add5ded5 TT |
817 | /* Implementation of gdb.Inferior.architecture. */ |
818 | ||
819 | static PyObject * | |
820 | infpy_architecture (PyObject *self, PyObject *args) | |
821 | { | |
822 | inferior_object *inf = (inferior_object *) self; | |
823 | ||
824 | INFPY_REQUIRE_VALID (inf); | |
825 | ||
826 | return gdbarch_to_arch_object (inf->inferior->gdbarch); | |
827 | } | |
828 | ||
1256af7d SM |
829 | /* Implement repr() for gdb.Inferior. */ |
830 | ||
831 | static PyObject * | |
832 | infpy_repr (PyObject *obj) | |
833 | { | |
834 | inferior_object *self = (inferior_object *) obj; | |
835 | inferior *inf = self->inferior; | |
836 | ||
837 | if (inf == nullptr) | |
838 | return PyString_FromString ("<gdb.Inferior (invalid)>"); | |
839 | ||
840 | return PyString_FromFormat ("<gdb.Inferior num=%d, pid=%d>", | |
841 | inf->num, inf->pid); | |
842 | } | |
843 | ||
fbbe5337 | 844 | |
754eadd1 PM |
845 | static void |
846 | infpy_dealloc (PyObject *obj) | |
847 | { | |
848 | inferior_object *inf_obj = (inferior_object *) obj; | |
849 | struct inferior *inf = inf_obj->inferior; | |
850 | ||
851 | if (! inf) | |
852 | return; | |
853 | ||
854 | set_inferior_data (inf, infpy_inf_data_key, NULL); | |
2e953aca | 855 | Py_TYPE (obj)->tp_free (obj); |
754eadd1 | 856 | } |
595939de PM |
857 | |
858 | /* Clear the INFERIOR pointer in an Inferior object and clear the | |
859 | thread list. */ | |
860 | static void | |
861 | py_free_inferior (struct inferior *inf, void *datum) | |
862 | { | |
595939de PM |
863 | struct threadlist_entry *th_entry, *th_tmp; |
864 | ||
0646da15 TT |
865 | if (!gdb_python_initialized) |
866 | return; | |
867 | ||
07bc7329 | 868 | gdbpy_enter enter_py (python_gdbarch, python_language); |
05b08ac1 | 869 | gdbpy_ref<inferior_object> inf_obj ((inferior_object *) datum); |
595939de PM |
870 | |
871 | inf_obj->inferior = NULL; | |
872 | ||
873 | /* Deallocate threads list. */ | |
874 | for (th_entry = inf_obj->threads; th_entry != NULL;) | |
875 | { | |
595939de PM |
876 | th_tmp = th_entry; |
877 | th_entry = th_entry->next; | |
05b08ac1 | 878 | delete th_tmp; |
595939de PM |
879 | } |
880 | ||
881 | inf_obj->nthreads = 0; | |
595939de PM |
882 | } |
883 | ||
2aa48337 KP |
884 | /* Implementation of gdb.selected_inferior() -> gdb.Inferior. |
885 | Returns the current inferior object. */ | |
886 | ||
887 | PyObject * | |
888 | gdbpy_selected_inferior (PyObject *self, PyObject *args) | |
889 | { | |
61fd3e73 TT |
890 | return ((PyObject *) |
891 | inferior_to_inferior_object (current_inferior ()).release ()); | |
2aa48337 KP |
892 | } |
893 | ||
999633ed | 894 | int |
595939de PM |
895 | gdbpy_initialize_inferior (void) |
896 | { | |
897 | if (PyType_Ready (&inferior_object_type) < 0) | |
999633ed | 898 | return -1; |
595939de | 899 | |
aa36459a TT |
900 | if (gdb_pymodule_addobject (gdb_module, "Inferior", |
901 | (PyObject *) &inferior_object_type) < 0) | |
999633ed | 902 | return -1; |
595939de PM |
903 | |
904 | infpy_inf_data_key = | |
8e260fc0 | 905 | register_inferior_data_with_cleanup (NULL, py_free_inferior); |
595939de | 906 | |
76727919 TT |
907 | gdb::observers::new_thread.attach (add_thread_object); |
908 | gdb::observers::thread_exit.attach (delete_thread_object); | |
909 | gdb::observers::normal_stop.attach (python_on_normal_stop); | |
910 | gdb::observers::target_resumed.attach (python_on_resume); | |
911 | gdb::observers::inferior_call_pre.attach (python_on_inferior_call_pre); | |
912 | gdb::observers::inferior_call_post.attach (python_on_inferior_call_post); | |
913 | gdb::observers::memory_changed.attach (python_on_memory_change); | |
914 | gdb::observers::register_changed.attach (python_on_register_change); | |
915 | gdb::observers::inferior_exit.attach (python_inferior_exit); | |
916 | gdb::observers::new_objfile.attach (python_new_objfile); | |
917 | gdb::observers::inferior_added.attach (python_new_inferior); | |
918 | gdb::observers::inferior_removed.attach (python_inferior_deleted); | |
595939de | 919 | |
6a1b1664 | 920 | membuf_object_type.tp_new = PyType_GenericNew; |
595939de | 921 | if (PyType_Ready (&membuf_object_type) < 0) |
999633ed | 922 | return -1; |
595939de | 923 | |
8833fbf0 TT |
924 | return gdb_pymodule_addobject (gdb_module, "Membuf", |
925 | (PyObject *) &membuf_object_type); | |
595939de PM |
926 | } |
927 | ||
0d1f4ceb | 928 | static gdb_PyGetSetDef inferior_object_getset[] = |
595939de PM |
929 | { |
930 | { "num", infpy_get_num, NULL, "ID of inferior, as assigned by GDB.", NULL }, | |
931 | { "pid", infpy_get_pid, NULL, "PID of inferior, as assigned by the OS.", | |
932 | NULL }, | |
933 | { "was_attached", infpy_get_was_attached, NULL, | |
934 | "True if the inferior was created using 'attach'.", NULL }, | |
a40bf0c2 | 935 | { "progspace", infpy_get_progspace, NULL, "Program space of this inferior" }, |
595939de PM |
936 | { NULL } |
937 | }; | |
938 | ||
939 | static PyMethodDef inferior_object_methods[] = | |
940 | { | |
29703da4 PM |
941 | { "is_valid", infpy_is_valid, METH_NOARGS, |
942 | "is_valid () -> Boolean.\n\ | |
943 | Return true if this inferior is valid, false if not." }, | |
595939de PM |
944 | { "threads", infpy_threads, METH_NOARGS, |
945 | "Return all the threads of this inferior." }, | |
946 | { "read_memory", (PyCFunction) infpy_read_memory, | |
947 | METH_VARARGS | METH_KEYWORDS, | |
948 | "read_memory (address, length) -> buffer\n\ | |
949 | Return a buffer object for reading from the inferior's memory." }, | |
950 | { "write_memory", (PyCFunction) infpy_write_memory, | |
951 | METH_VARARGS | METH_KEYWORDS, | |
952 | "write_memory (address, buffer [, length])\n\ | |
953 | Write the given buffer object to the inferior's memory." }, | |
954 | { "search_memory", (PyCFunction) infpy_search_memory, | |
955 | METH_VARARGS | METH_KEYWORDS, | |
956 | "search_memory (address, length, pattern) -> long\n\ | |
957 | Return a long with the address of a match, or None." }, | |
2b0c8b01 | 958 | /* thread_from_thread_handle is deprecated. */ |
fbbe5337 KB |
959 | { "thread_from_thread_handle", (PyCFunction) infpy_thread_from_thread_handle, |
960 | METH_VARARGS | METH_KEYWORDS, | |
961 | "thread_from_thread_handle (handle) -> gdb.InferiorThread.\n\ | |
2b0c8b01 KB |
962 | Return thread object corresponding to thread handle.\n\ |
963 | This method is deprecated - use thread_from_handle instead." }, | |
964 | { "thread_from_handle", (PyCFunction) infpy_thread_from_thread_handle, | |
965 | METH_VARARGS | METH_KEYWORDS, | |
966 | "thread_from_handle (handle) -> gdb.InferiorThread.\n\ | |
fbbe5337 | 967 | Return thread object corresponding to thread handle." }, |
add5ded5 TT |
968 | { "architecture", (PyCFunction) infpy_architecture, METH_NOARGS, |
969 | "architecture () -> gdb.Architecture\n\ | |
970 | Return architecture of this inferior." }, | |
595939de PM |
971 | { NULL } |
972 | }; | |
973 | ||
e36122e9 | 974 | PyTypeObject inferior_object_type = |
595939de | 975 | { |
9a27f2c6 | 976 | PyVarObject_HEAD_INIT (NULL, 0) |
595939de PM |
977 | "gdb.Inferior", /* tp_name */ |
978 | sizeof (inferior_object), /* tp_basicsize */ | |
979 | 0, /* tp_itemsize */ | |
754eadd1 | 980 | infpy_dealloc, /* tp_dealloc */ |
595939de PM |
981 | 0, /* tp_print */ |
982 | 0, /* tp_getattr */ | |
983 | 0, /* tp_setattr */ | |
984 | 0, /* tp_compare */ | |
1256af7d | 985 | infpy_repr, /* tp_repr */ |
595939de PM |
986 | 0, /* tp_as_number */ |
987 | 0, /* tp_as_sequence */ | |
988 | 0, /* tp_as_mapping */ | |
989 | 0, /* tp_hash */ | |
990 | 0, /* tp_call */ | |
991 | 0, /* tp_str */ | |
992 | 0, /* tp_getattro */ | |
993 | 0, /* tp_setattro */ | |
994 | 0, /* tp_as_buffer */ | |
995 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /* tp_flags */ | |
996 | "GDB inferior object", /* tp_doc */ | |
997 | 0, /* tp_traverse */ | |
998 | 0, /* tp_clear */ | |
999 | 0, /* tp_richcompare */ | |
1000 | 0, /* tp_weaklistoffset */ | |
1001 | 0, /* tp_iter */ | |
1002 | 0, /* tp_iternext */ | |
1003 | inferior_object_methods, /* tp_methods */ | |
1004 | 0, /* tp_members */ | |
1005 | inferior_object_getset, /* tp_getset */ | |
1006 | 0, /* tp_base */ | |
1007 | 0, /* tp_dict */ | |
1008 | 0, /* tp_descr_get */ | |
1009 | 0, /* tp_descr_set */ | |
1010 | 0, /* tp_dictoffset */ | |
1011 | 0, /* tp_init */ | |
1012 | 0 /* tp_alloc */ | |
1013 | }; | |
1014 | ||
9a27f2c6 PK |
1015 | #ifdef IS_PY3K |
1016 | ||
1017 | static PyBufferProcs buffer_procs = | |
1018 | { | |
1019 | get_buffer | |
1020 | }; | |
1021 | ||
1022 | #else | |
1023 | ||
595939de PM |
1024 | static PyBufferProcs buffer_procs = { |
1025 | get_read_buffer, | |
1026 | get_write_buffer, | |
1027 | get_seg_count, | |
6c28e44a | 1028 | get_char_buffer |
595939de | 1029 | }; |
9a27f2c6 | 1030 | #endif /* IS_PY3K */ |
595939de | 1031 | |
e36122e9 | 1032 | PyTypeObject membuf_object_type = { |
9a27f2c6 | 1033 | PyVarObject_HEAD_INIT (NULL, 0) |
595939de PM |
1034 | "gdb.Membuf", /*tp_name*/ |
1035 | sizeof (membuf_object), /*tp_basicsize*/ | |
1036 | 0, /*tp_itemsize*/ | |
1037 | mbpy_dealloc, /*tp_dealloc*/ | |
1038 | 0, /*tp_print*/ | |
1039 | 0, /*tp_getattr*/ | |
1040 | 0, /*tp_setattr*/ | |
1041 | 0, /*tp_compare*/ | |
1042 | 0, /*tp_repr*/ | |
1043 | 0, /*tp_as_number*/ | |
1044 | 0, /*tp_as_sequence*/ | |
1045 | 0, /*tp_as_mapping*/ | |
1046 | 0, /*tp_hash */ | |
1047 | 0, /*tp_call*/ | |
1048 | mbpy_str, /*tp_str*/ | |
1049 | 0, /*tp_getattro*/ | |
1050 | 0, /*tp_setattro*/ | |
1051 | &buffer_procs, /*tp_as_buffer*/ | |
1052 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
1053 | "GDB memory buffer object", /*tp_doc*/ | |
1054 | 0, /* tp_traverse */ | |
1055 | 0, /* tp_clear */ | |
1056 | 0, /* tp_richcompare */ | |
1057 | 0, /* tp_weaklistoffset */ | |
1058 | 0, /* tp_iter */ | |
1059 | 0, /* tp_iternext */ | |
1060 | 0, /* tp_methods */ | |
1061 | 0, /* tp_members */ | |
1062 | 0, /* tp_getset */ | |
1063 | 0, /* tp_base */ | |
1064 | 0, /* tp_dict */ | |
1065 | 0, /* tp_descr_get */ | |
1066 | 0, /* tp_descr_set */ | |
1067 | 0, /* tp_dictoffset */ | |
1068 | 0, /* tp_init */ | |
1069 | 0, /* tp_alloc */ | |
595939de | 1070 | }; |