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d57a3c85 TJB |
1 | /* General python/gdb code |
2 | ||
61baf725 | 3 | Copyright (C) 2008-2017 Free Software Foundation, Inc. |
d57a3c85 TJB |
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" | |
d452c4bc | 21 | #include "arch-utils.h" |
d57a3c85 TJB |
22 | #include "command.h" |
23 | #include "ui-out.h" | |
24 | #include "cli/cli-script.h" | |
25 | #include "gdbcmd.h" | |
fa33c3cd | 26 | #include "progspace.h" |
89c73ade | 27 | #include "objfiles.h" |
d452c4bc UW |
28 | #include "value.h" |
29 | #include "language.h" | |
ca5c20b6 | 30 | #include "event-loop.h" |
4a532131 | 31 | #include "serial.h" |
3ab1ec27 | 32 | #include "readline/tilde.h" |
7371cf6d | 33 | #include "python.h" |
6dddc817 | 34 | #include "extension-priv.h" |
529480d0 | 35 | #include "cli/cli-utils.h" |
d57a3c85 | 36 | #include <ctype.h> |
f00aae0f | 37 | #include "location.h" |
6eddd09a | 38 | #include "ser-event.h" |
d57a3c85 | 39 | |
80b6e756 PM |
40 | /* Declared constants and enum for python stack printing. */ |
41 | static const char python_excp_none[] = "none"; | |
42 | static const char python_excp_full[] = "full"; | |
43 | static const char python_excp_message[] = "message"; | |
44 | ||
45 | /* "set python print-stack" choices. */ | |
40478521 | 46 | static const char *const python_excp_enums[] = |
80b6e756 PM |
47 | { |
48 | python_excp_none, | |
49 | python_excp_full, | |
50 | python_excp_message, | |
51 | NULL | |
52 | }; | |
53 | ||
54 | /* The exception printing variable. 'full' if we want to print the | |
55 | error message and stack, 'none' if we want to print nothing, and | |
56 | 'message' if we only want to print the error message. 'message' is | |
57 | the default. */ | |
58 | static const char *gdbpy_should_print_stack = python_excp_message; | |
d57a3c85 | 59 | |
6dddc817 DE |
60 | #ifdef HAVE_PYTHON |
61 | /* Forward decls, these are defined later. */ | |
e36122e9 TT |
62 | extern const struct extension_language_script_ops python_extension_script_ops; |
63 | extern const struct extension_language_ops python_extension_ops; | |
6dddc817 DE |
64 | #endif |
65 | ||
66 | /* The main struct describing GDB's interface to the Python | |
67 | extension language. */ | |
68 | const struct extension_language_defn extension_language_python = | |
69 | { | |
70 | EXT_LANG_PYTHON, | |
71 | "python", | |
72 | "Python", | |
73 | ||
74 | ".py", | |
75 | "-gdb.py", | |
76 | ||
77 | python_control, | |
78 | ||
79 | #ifdef HAVE_PYTHON | |
80 | &python_extension_script_ops, | |
81 | &python_extension_ops | |
82 | #else | |
83 | NULL, | |
84 | NULL | |
85 | #endif | |
86 | }; | |
87 | \f | |
d57a3c85 TJB |
88 | #ifdef HAVE_PYTHON |
89 | ||
d57a3c85 TJB |
90 | #include "cli/cli-decode.h" |
91 | #include "charset.h" | |
92 | #include "top.h" | |
cb2e07a6 | 93 | #include "solib.h" |
d57a3c85 | 94 | #include "python-internal.h" |
cb2e07a6 PM |
95 | #include "linespec.h" |
96 | #include "source.h" | |
d57a3c85 TJB |
97 | #include "version.h" |
98 | #include "target.h" | |
99 | #include "gdbthread.h" | |
b4a14fd0 | 100 | #include "interps.h" |
9a27f2c6 | 101 | #include "event-top.h" |
ff3724f5 | 102 | #include "py-ref.h" |
3f77c769 | 103 | #include "py-event.h" |
d57a3c85 | 104 | |
999633ed TT |
105 | /* True if Python has been successfully initialized, false |
106 | otherwise. */ | |
107 | ||
108 | int gdb_python_initialized; | |
109 | ||
bcabf420 | 110 | extern PyMethodDef python_GdbMethods[]; |
d57a3c85 | 111 | |
9a27f2c6 | 112 | #ifdef IS_PY3K |
bcabf420 | 113 | extern struct PyModuleDef python_GdbModuleDef; |
9a27f2c6 PK |
114 | #endif |
115 | ||
d57a3c85 | 116 | PyObject *gdb_module; |
b9516fa1 | 117 | PyObject *gdb_python_module; |
d57a3c85 | 118 | |
a6bac58e TT |
119 | /* Some string constants we may wish to use. */ |
120 | PyObject *gdbpy_to_string_cst; | |
121 | PyObject *gdbpy_children_cst; | |
122 | PyObject *gdbpy_display_hint_cst; | |
d8906c6f | 123 | PyObject *gdbpy_doc_cst; |
967cf477 | 124 | PyObject *gdbpy_enabled_cst; |
fb6a3ed3 | 125 | PyObject *gdbpy_value_cst; |
d8906c6f | 126 | |
07ca107c DE |
127 | /* The GdbError exception. */ |
128 | PyObject *gdbpy_gdberror_exc; | |
d452c4bc | 129 | |
621c8364 TT |
130 | /* The `gdb.error' base class. */ |
131 | PyObject *gdbpy_gdb_error; | |
132 | ||
133 | /* The `gdb.MemoryError' exception. */ | |
134 | PyObject *gdbpy_gdb_memory_error; | |
135 | ||
6dddc817 DE |
136 | static script_sourcer_func gdbpy_source_script; |
137 | static objfile_script_sourcer_func gdbpy_source_objfile_script; | |
9f050062 | 138 | static objfile_script_executor_func gdbpy_execute_objfile_script; |
6dddc817 DE |
139 | static void gdbpy_finish_initialization |
140 | (const struct extension_language_defn *); | |
141 | static int gdbpy_initialized (const struct extension_language_defn *); | |
142 | static void gdbpy_eval_from_control_command | |
143 | (const struct extension_language_defn *, struct command_line *cmd); | |
144 | static void gdbpy_start_type_printers (const struct extension_language_defn *, | |
145 | struct ext_lang_type_printers *); | |
146 | static enum ext_lang_rc gdbpy_apply_type_printers | |
147 | (const struct extension_language_defn *, | |
148 | const struct ext_lang_type_printers *, struct type *, char **); | |
149 | static void gdbpy_free_type_printers (const struct extension_language_defn *, | |
150 | struct ext_lang_type_printers *); | |
6dddc817 DE |
151 | static void gdbpy_set_quit_flag (const struct extension_language_defn *); |
152 | static int gdbpy_check_quit_flag (const struct extension_language_defn *); | |
153 | static enum ext_lang_rc gdbpy_before_prompt_hook | |
154 | (const struct extension_language_defn *, const char *current_gdb_prompt); | |
155 | ||
156 | /* The interface between gdb proper and loading of python scripts. */ | |
157 | ||
e36122e9 | 158 | const struct extension_language_script_ops python_extension_script_ops = |
6dddc817 DE |
159 | { |
160 | gdbpy_source_script, | |
161 | gdbpy_source_objfile_script, | |
9f050062 | 162 | gdbpy_execute_objfile_script, |
6dddc817 DE |
163 | gdbpy_auto_load_enabled |
164 | }; | |
165 | ||
166 | /* The interface between gdb proper and python extensions. */ | |
167 | ||
e36122e9 | 168 | const struct extension_language_ops python_extension_ops = |
6dddc817 DE |
169 | { |
170 | gdbpy_finish_initialization, | |
171 | gdbpy_initialized, | |
172 | ||
173 | gdbpy_eval_from_control_command, | |
174 | ||
175 | gdbpy_start_type_printers, | |
176 | gdbpy_apply_type_printers, | |
177 | gdbpy_free_type_printers, | |
178 | ||
179 | gdbpy_apply_val_pretty_printer, | |
180 | ||
181 | gdbpy_apply_frame_filter, | |
182 | ||
183 | gdbpy_preserve_values, | |
184 | ||
185 | gdbpy_breakpoint_has_cond, | |
186 | gdbpy_breakpoint_cond_says_stop, | |
187 | ||
6dddc817 DE |
188 | gdbpy_set_quit_flag, |
189 | gdbpy_check_quit_flag, | |
190 | ||
883964a7 SC |
191 | gdbpy_before_prompt_hook, |
192 | ||
193 | gdbpy_clone_xmethod_worker_data, | |
194 | gdbpy_free_xmethod_worker_data, | |
195 | gdbpy_get_matching_xmethod_workers, | |
196 | gdbpy_get_xmethod_arg_types, | |
2ce1cdbf | 197 | gdbpy_get_xmethod_result_type, |
883964a7 | 198 | gdbpy_invoke_xmethod |
6dddc817 DE |
199 | }; |
200 | ||
d452c4bc UW |
201 | /* Architecture and language to be used in callbacks from |
202 | the Python interpreter. */ | |
203 | struct gdbarch *python_gdbarch; | |
204 | const struct language_defn *python_language; | |
205 | ||
4ecee2c4 TT |
206 | gdbpy_enter::gdbpy_enter (struct gdbarch *gdbarch, |
207 | const struct language_defn *language) | |
208 | : m_gdbarch (python_gdbarch), | |
209 | m_language (python_language) | |
d452c4bc | 210 | { |
4ecee2c4 TT |
211 | /* We should not ever enter Python unless initialized. */ |
212 | if (!gdb_python_initialized) | |
213 | error (_("Python not initialized")); | |
d452c4bc | 214 | |
4ecee2c4 | 215 | m_previous_active = set_active_ext_lang (&extension_language_python); |
d59b6f6c | 216 | |
4ecee2c4 TT |
217 | m_state = PyGILState_Ensure (); |
218 | ||
219 | python_gdbarch = gdbarch; | |
220 | python_language = language; | |
221 | ||
222 | /* Save it and ensure ! PyErr_Occurred () afterwards. */ | |
223 | PyErr_Fetch (&m_error_type, &m_error_value, &m_error_traceback); | |
224 | } | |
225 | ||
226 | gdbpy_enter::~gdbpy_enter () | |
227 | { | |
8dc78533 JK |
228 | /* Leftover Python error is forbidden by Python Exception Handling. */ |
229 | if (PyErr_Occurred ()) | |
230 | { | |
231 | /* This order is similar to the one calling error afterwards. */ | |
232 | gdbpy_print_stack (); | |
233 | warning (_("internal error: Unhandled Python exception")); | |
234 | } | |
235 | ||
4ecee2c4 | 236 | PyErr_Restore (m_error_type, m_error_value, m_error_traceback); |
8dc78533 | 237 | |
4ecee2c4 TT |
238 | PyGILState_Release (m_state); |
239 | python_gdbarch = m_gdbarch; | |
240 | python_language = m_language; | |
6dddc817 | 241 | |
4ecee2c4 TT |
242 | restore_active_ext_lang (m_previous_active); |
243 | } | |
244 | ||
522002f9 TT |
245 | /* Set the quit flag. */ |
246 | ||
6dddc817 DE |
247 | static void |
248 | gdbpy_set_quit_flag (const struct extension_language_defn *extlang) | |
522002f9 TT |
249 | { |
250 | PyErr_SetInterrupt (); | |
251 | } | |
252 | ||
253 | /* Return true if the quit flag has been set, false otherwise. */ | |
254 | ||
6dddc817 DE |
255 | static int |
256 | gdbpy_check_quit_flag (const struct extension_language_defn *extlang) | |
522002f9 TT |
257 | { |
258 | return PyOS_InterruptOccurred (); | |
259 | } | |
260 | ||
8315665e YPK |
261 | /* Evaluate a Python command like PyRun_SimpleString, but uses |
262 | Py_single_input which prints the result of expressions, and does | |
263 | not automatically print the stack on errors. */ | |
264 | ||
265 | static int | |
266 | eval_python_command (const char *command) | |
267 | { | |
59876f8f | 268 | PyObject *m, *d; |
8315665e YPK |
269 | |
270 | m = PyImport_AddModule ("__main__"); | |
271 | if (m == NULL) | |
272 | return -1; | |
273 | ||
274 | d = PyModule_GetDict (m); | |
275 | if (d == NULL) | |
276 | return -1; | |
7780f186 | 277 | gdbpy_ref<> v (PyRun_StringFlags (command, Py_single_input, d, d, NULL)); |
8315665e YPK |
278 | if (v == NULL) |
279 | return -1; | |
280 | ||
9a27f2c6 | 281 | #ifndef IS_PY3K |
8315665e YPK |
282 | if (Py_FlushLine ()) |
283 | PyErr_Clear (); | |
9a27f2c6 | 284 | #endif |
8315665e YPK |
285 | |
286 | return 0; | |
287 | } | |
288 | ||
289 | /* Implementation of the gdb "python-interactive" command. */ | |
290 | ||
291 | static void | |
292 | python_interactive_command (char *arg, int from_tty) | |
293 | { | |
f38d3ad1 | 294 | struct ui *ui = current_ui; |
8315665e YPK |
295 | int err; |
296 | ||
b7b633e9 | 297 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); |
8315665e | 298 | |
529480d0 | 299 | arg = skip_spaces (arg); |
8315665e | 300 | |
396a78b6 | 301 | gdbpy_enter enter_py (get_current_arch (), current_language); |
8315665e YPK |
302 | |
303 | if (arg && *arg) | |
304 | { | |
305 | int len = strlen (arg); | |
224c3ddb | 306 | char *script = (char *) xmalloc (len + 2); |
8315665e YPK |
307 | |
308 | strcpy (script, arg); | |
309 | script[len] = '\n'; | |
310 | script[len + 1] = '\0'; | |
311 | err = eval_python_command (script); | |
312 | xfree (script); | |
313 | } | |
314 | else | |
315 | { | |
f38d3ad1 | 316 | err = PyRun_InteractiveLoop (ui->instream, "<stdin>"); |
8315665e YPK |
317 | dont_repeat (); |
318 | } | |
319 | ||
320 | if (err) | |
321 | { | |
322 | gdbpy_print_stack (); | |
323 | error (_("Error while executing Python code.")); | |
324 | } | |
8315665e YPK |
325 | } |
326 | ||
4c63965b JK |
327 | /* A wrapper around PyRun_SimpleFile. FILE is the Python script to run |
328 | named FILENAME. | |
329 | ||
330 | On Windows hosts few users would build Python themselves (this is no | |
331 | trivial task on this platform), and thus use binaries built by | |
332 | someone else instead. There may happen situation where the Python | |
333 | library and GDB are using two different versions of the C runtime | |
334 | library. Python, being built with VC, would use one version of the | |
335 | msvcr DLL (Eg. msvcr100.dll), while MinGW uses msvcrt.dll. | |
336 | A FILE * from one runtime does not necessarily operate correctly in | |
7ed7d719 JB |
337 | the other runtime. |
338 | ||
4c63965b JK |
339 | To work around this potential issue, we create on Windows hosts the |
340 | FILE object using Python routines, thus making sure that it is | |
341 | compatible with the Python library. */ | |
7ed7d719 JB |
342 | |
343 | static void | |
4c63965b | 344 | python_run_simple_file (FILE *file, const char *filename) |
7ed7d719 | 345 | { |
4c63965b JK |
346 | #ifndef _WIN32 |
347 | ||
348 | PyRun_SimpleFile (file, filename); | |
349 | ||
350 | #else /* _WIN32 */ | |
351 | ||
3ab1ec27 PM |
352 | /* Because we have a string for a filename, and are using Python to |
353 | open the file, we need to expand any tilde in the path first. */ | |
9de10f6d | 354 | gdb::unique_xmalloc_ptr<char> full_path (tilde_expand (filename)); |
0dedf377 | 355 | gdbpy_ref<> python_file (PyFile_FromString (full_path.get (), (char *) "r")); |
9de10f6d | 356 | if (python_file == NULL) |
3ab1ec27 | 357 | { |
3ab1ec27 | 358 | gdbpy_print_stack (); |
9de10f6d | 359 | error (_("Error while opening file: %s"), full_path.get ()); |
3ab1ec27 | 360 | } |
256458bc | 361 | |
9de10f6d | 362 | PyRun_SimpleFile (PyFile_AsFile (python_file.get ()), filename); |
4c63965b JK |
363 | |
364 | #endif /* _WIN32 */ | |
7ed7d719 | 365 | } |
d452c4bc | 366 | |
d57a3c85 TJB |
367 | /* Given a command_line, return a command string suitable for passing |
368 | to Python. Lines in the string are separated by newlines. The | |
369 | return value is allocated using xmalloc and the caller is | |
370 | responsible for freeing it. */ | |
371 | ||
372 | static char * | |
373 | compute_python_string (struct command_line *l) | |
374 | { | |
375 | struct command_line *iter; | |
376 | char *script = NULL; | |
377 | int size = 0; | |
378 | int here; | |
379 | ||
380 | for (iter = l; iter; iter = iter->next) | |
381 | size += strlen (iter->line) + 1; | |
382 | ||
224c3ddb | 383 | script = (char *) xmalloc (size + 1); |
d57a3c85 TJB |
384 | here = 0; |
385 | for (iter = l; iter; iter = iter->next) | |
386 | { | |
387 | int len = strlen (iter->line); | |
d59b6f6c | 388 | |
d57a3c85 TJB |
389 | strcpy (&script[here], iter->line); |
390 | here += len; | |
391 | script[here++] = '\n'; | |
392 | } | |
393 | script[here] = '\0'; | |
394 | return script; | |
395 | } | |
396 | ||
397 | /* Take a command line structure representing a 'python' command, and | |
398 | evaluate its body using the Python interpreter. */ | |
399 | ||
6dddc817 DE |
400 | static void |
401 | gdbpy_eval_from_control_command (const struct extension_language_defn *extlang, | |
402 | struct command_line *cmd) | |
d57a3c85 | 403 | { |
12453b93 | 404 | int ret; |
d57a3c85 TJB |
405 | char *script; |
406 | ||
407 | if (cmd->body_count != 1) | |
408 | error (_("Invalid \"python\" block structure.")); | |
409 | ||
60e600ec | 410 | gdbpy_enter enter_py (get_current_arch (), current_language); |
ca30a762 | 411 | |
d57a3c85 | 412 | script = compute_python_string (cmd->body_list[0]); |
12453b93 | 413 | ret = PyRun_SimpleString (script); |
d57a3c85 | 414 | xfree (script); |
12453b93 | 415 | if (ret) |
80b6e756 | 416 | error (_("Error while executing Python code.")); |
d57a3c85 TJB |
417 | } |
418 | ||
419 | /* Implementation of the gdb "python" command. */ | |
420 | ||
421 | static void | |
422 | python_command (char *arg, int from_tty) | |
423 | { | |
a7785f8c | 424 | gdbpy_enter enter_py (get_current_arch (), current_language); |
b4a14fd0 | 425 | |
b7b633e9 | 426 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); |
b4a14fd0 | 427 | |
529480d0 | 428 | arg = skip_spaces (arg); |
d57a3c85 TJB |
429 | if (arg && *arg) |
430 | { | |
12453b93 | 431 | if (PyRun_SimpleString (arg)) |
80b6e756 | 432 | error (_("Error while executing Python code.")); |
d57a3c85 TJB |
433 | } |
434 | else | |
435 | { | |
436 | struct command_line *l = get_command_line (python_control, ""); | |
a7785f8c | 437 | struct cleanup *cleanup = make_cleanup_free_command_lines (&l); |
d59b6f6c | 438 | |
d57a3c85 | 439 | execute_control_command_untraced (l); |
a7785f8c | 440 | do_cleanups (cleanup); |
d57a3c85 TJB |
441 | } |
442 | } | |
443 | ||
444 | \f | |
445 | ||
446 | /* Transform a gdb parameters's value into a Python value. May return | |
447 | NULL (and set a Python exception) on error. Helper function for | |
448 | get_parameter. */ | |
d7b32ed3 PM |
449 | PyObject * |
450 | gdbpy_parameter_value (enum var_types type, void *var) | |
d57a3c85 | 451 | { |
d7b32ed3 | 452 | switch (type) |
d57a3c85 TJB |
453 | { |
454 | case var_string: | |
455 | case var_string_noescape: | |
456 | case var_optional_filename: | |
457 | case var_filename: | |
458 | case var_enum: | |
459 | { | |
a121b7c1 | 460 | const char *str = *(char **) var; |
d59b6f6c | 461 | |
d57a3c85 TJB |
462 | if (! str) |
463 | str = ""; | |
4ae6cc19 | 464 | return host_string_to_python_string (str); |
d57a3c85 TJB |
465 | } |
466 | ||
467 | case var_boolean: | |
468 | { | |
d7b32ed3 | 469 | if (* (int *) var) |
d57a3c85 TJB |
470 | Py_RETURN_TRUE; |
471 | else | |
472 | Py_RETURN_FALSE; | |
473 | } | |
474 | ||
475 | case var_auto_boolean: | |
476 | { | |
d7b32ed3 | 477 | enum auto_boolean ab = * (enum auto_boolean *) var; |
d59b6f6c | 478 | |
d57a3c85 TJB |
479 | if (ab == AUTO_BOOLEAN_TRUE) |
480 | Py_RETURN_TRUE; | |
481 | else if (ab == AUTO_BOOLEAN_FALSE) | |
482 | Py_RETURN_FALSE; | |
483 | else | |
484 | Py_RETURN_NONE; | |
485 | } | |
486 | ||
487 | case var_integer: | |
d7b32ed3 | 488 | if ((* (int *) var) == INT_MAX) |
d57a3c85 TJB |
489 | Py_RETURN_NONE; |
490 | /* Fall through. */ | |
491 | case var_zinteger: | |
d7b32ed3 | 492 | return PyLong_FromLong (* (int *) var); |
d57a3c85 TJB |
493 | |
494 | case var_uinteger: | |
495 | { | |
d7b32ed3 | 496 | unsigned int val = * (unsigned int *) var; |
d59b6f6c | 497 | |
d57a3c85 TJB |
498 | if (val == UINT_MAX) |
499 | Py_RETURN_NONE; | |
500 | return PyLong_FromUnsignedLong (val); | |
501 | } | |
502 | } | |
503 | ||
256458bc | 504 | return PyErr_Format (PyExc_RuntimeError, |
044c0f87 | 505 | _("Programmer error: unhandled type.")); |
d57a3c85 TJB |
506 | } |
507 | ||
508 | /* A Python function which returns a gdb parameter's value as a Python | |
509 | value. */ | |
510 | ||
0c72ed4c | 511 | static PyObject * |
8f500870 | 512 | gdbpy_parameter (PyObject *self, PyObject *args) |
d57a3c85 | 513 | { |
492d29ea | 514 | struct gdb_exception except = exception_none; |
d57a3c85 | 515 | struct cmd_list_element *alias, *prefix, *cmd; |
ddd49eee TT |
516 | const char *arg; |
517 | char *newarg; | |
cc924cad | 518 | int found = -1; |
d57a3c85 TJB |
519 | |
520 | if (! PyArg_ParseTuple (args, "s", &arg)) | |
521 | return NULL; | |
522 | ||
523 | newarg = concat ("show ", arg, (char *) NULL); | |
524 | ||
492d29ea | 525 | TRY |
d57a3c85 | 526 | { |
cc924cad | 527 | found = lookup_cmd_composition (newarg, &alias, &prefix, &cmd); |
d57a3c85 | 528 | } |
492d29ea PA |
529 | CATCH (ex, RETURN_MASK_ALL) |
530 | { | |
531 | except = ex; | |
532 | } | |
533 | END_CATCH | |
534 | ||
d57a3c85 TJB |
535 | xfree (newarg); |
536 | GDB_PY_HANDLE_EXCEPTION (except); | |
cc924cad TJB |
537 | if (!found) |
538 | return PyErr_Format (PyExc_RuntimeError, | |
044c0f87 | 539 | _("Could not find parameter `%s'."), arg); |
d57a3c85 TJB |
540 | |
541 | if (! cmd->var) | |
256458bc | 542 | return PyErr_Format (PyExc_RuntimeError, |
044c0f87 | 543 | _("`%s' is not a parameter."), arg); |
d7b32ed3 | 544 | return gdbpy_parameter_value (cmd->var_type, cmd->var); |
d57a3c85 TJB |
545 | } |
546 | ||
f870a310 TT |
547 | /* Wrapper for target_charset. */ |
548 | ||
549 | static PyObject * | |
550 | gdbpy_target_charset (PyObject *self, PyObject *args) | |
551 | { | |
552 | const char *cset = target_charset (python_gdbarch); | |
d59b6f6c | 553 | |
f870a310 TT |
554 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
555 | } | |
556 | ||
557 | /* Wrapper for target_wide_charset. */ | |
558 | ||
559 | static PyObject * | |
560 | gdbpy_target_wide_charset (PyObject *self, PyObject *args) | |
561 | { | |
562 | const char *cset = target_wide_charset (python_gdbarch); | |
d59b6f6c | 563 | |
f870a310 TT |
564 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
565 | } | |
566 | ||
d57a3c85 TJB |
567 | /* A Python function which evaluates a string using the gdb CLI. */ |
568 | ||
569 | static PyObject * | |
bc9f0842 | 570 | execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 571 | { |
ddd49eee | 572 | const char *arg; |
bc9f0842 TT |
573 | PyObject *from_tty_obj = NULL, *to_string_obj = NULL; |
574 | int from_tty, to_string; | |
2adadf51 | 575 | static const char *keywords[] = { "command", "from_tty", "to_string", NULL }; |
d57a3c85 | 576 | |
2adadf51 PA |
577 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O!O!", keywords, &arg, |
578 | &PyBool_Type, &from_tty_obj, | |
579 | &PyBool_Type, &to_string_obj)) | |
d57a3c85 TJB |
580 | return NULL; |
581 | ||
12453b93 TJB |
582 | from_tty = 0; |
583 | if (from_tty_obj) | |
584 | { | |
bc9f0842 | 585 | int cmp = PyObject_IsTrue (from_tty_obj); |
12453b93 | 586 | if (cmp < 0) |
bc9f0842 | 587 | return NULL; |
12453b93 TJB |
588 | from_tty = cmp; |
589 | } | |
590 | ||
bc9f0842 TT |
591 | to_string = 0; |
592 | if (to_string_obj) | |
593 | { | |
594 | int cmp = PyObject_IsTrue (to_string_obj); | |
595 | if (cmp < 0) | |
596 | return NULL; | |
597 | to_string = cmp; | |
598 | } | |
599 | ||
db1ec11f PA |
600 | std::string to_string_res; |
601 | ||
492d29ea | 602 | TRY |
d57a3c85 | 603 | { |
86c6265d | 604 | /* Copy the argument text in case the command modifies it. */ |
1ac32117 | 605 | std::string copy (arg); |
e7ea3ec7 | 606 | struct interp *interp; |
bc9f0842 | 607 | |
b7b633e9 | 608 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); |
b4a14fd0 | 609 | |
67ad9399 | 610 | scoped_restore save_uiout = make_scoped_restore (¤t_uiout); |
cd94f6d5 | 611 | |
e7ea3ec7 CU |
612 | /* Use the console interpreter uiout to have the same print format |
613 | for console or MI. */ | |
8322445e | 614 | interp = interp_lookup (current_ui, "console"); |
e7ea3ec7 CU |
615 | current_uiout = interp_ui_out (interp); |
616 | ||
1ac32117 | 617 | scoped_restore preventer = prevent_dont_repeat (); |
bc9f0842 | 618 | if (to_string) |
1ac32117 | 619 | to_string_res = execute_command_to_string (©[0], from_tty); |
5da1313b | 620 | else |
1ac32117 | 621 | execute_command (©[0], from_tty); |
d57a3c85 | 622 | } |
492d29ea PA |
623 | CATCH (except, RETURN_MASK_ALL) |
624 | { | |
625 | GDB_PY_HANDLE_EXCEPTION (except); | |
626 | } | |
627 | END_CATCH | |
d57a3c85 | 628 | |
347bddb7 PA |
629 | /* Do any commands attached to breakpoint we stopped at. */ |
630 | bpstat_do_actions (); | |
d57a3c85 | 631 | |
db1ec11f PA |
632 | if (to_string) |
633 | return PyString_FromString (to_string_res.c_str ()); | |
d57a3c85 TJB |
634 | Py_RETURN_NONE; |
635 | } | |
636 | ||
cb2e07a6 PM |
637 | /* Implementation of gdb.solib_name (Long) -> String. |
638 | Returns the name of the shared library holding a given address, or None. */ | |
639 | ||
640 | static PyObject * | |
641 | gdbpy_solib_name (PyObject *self, PyObject *args) | |
642 | { | |
643 | char *soname; | |
644 | PyObject *str_obj; | |
1b40ec05 | 645 | gdb_py_ulongest pc; |
74aedc46 | 646 | |
1b40ec05 | 647 | if (!PyArg_ParseTuple (args, GDB_PY_LLU_ARG, &pc)) |
cb2e07a6 PM |
648 | return NULL; |
649 | ||
650 | soname = solib_name_from_address (current_program_space, pc); | |
651 | if (soname) | |
4ae6cc19 | 652 | str_obj = host_string_to_python_string (soname); |
cb2e07a6 PM |
653 | else |
654 | { | |
655 | str_obj = Py_None; | |
656 | Py_INCREF (Py_None); | |
657 | } | |
658 | ||
659 | return str_obj; | |
660 | } | |
661 | ||
662 | /* A Python function which is a wrapper for decode_line_1. */ | |
663 | ||
664 | static PyObject * | |
665 | gdbpy_decode_line (PyObject *self, PyObject *args) | |
666 | { | |
492d29ea | 667 | struct gdb_exception except = exception_none; |
9a2b4c1b MS |
668 | struct symtabs_and_lines sals = { NULL, 0 }; /* Initialize to |
669 | appease gcc. */ | |
cb2e07a6 | 670 | struct symtab_and_line sal; |
f00aae0f | 671 | char *arg = NULL; |
cb2e07a6 | 672 | struct cleanup *cleanups; |
7780f186 TT |
673 | gdbpy_ref<> result; |
674 | gdbpy_ref<> unparsed; | |
ffc2605c | 675 | event_location_up location; |
cb2e07a6 PM |
676 | |
677 | if (! PyArg_ParseTuple (args, "|s", &arg)) | |
678 | return NULL; | |
679 | ||
5d9c5995 | 680 | cleanups = make_cleanup (null_cleanup, NULL); |
cb2e07a6 | 681 | |
9bc3523d | 682 | sals.sals = NULL; |
492d29ea | 683 | |
f00aae0f | 684 | if (arg != NULL) |
ffc2605c | 685 | location = string_to_event_location_basic (&arg, python_language); |
f00aae0f | 686 | |
492d29ea | 687 | TRY |
cb2e07a6 | 688 | { |
59ecaff3 | 689 | if (location != NULL) |
ffc2605c | 690 | sals = decode_line_1 (location.get (), 0, NULL, NULL, 0); |
cb2e07a6 PM |
691 | else |
692 | { | |
693 | set_default_source_symtab_and_line (); | |
694 | sal = get_current_source_symtab_and_line (); | |
695 | sals.sals = &sal; | |
696 | sals.nelts = 1; | |
697 | } | |
698 | } | |
492d29ea PA |
699 | CATCH (ex, RETURN_MASK_ALL) |
700 | { | |
701 | except = ex; | |
702 | } | |
703 | END_CATCH | |
9bc3523d TT |
704 | |
705 | if (sals.sals != NULL && sals.sals != &sal) | |
f00aae0f | 706 | make_cleanup (xfree, sals.sals); |
9bc3523d | 707 | |
cb2e07a6 PM |
708 | if (except.reason < 0) |
709 | { | |
710 | do_cleanups (cleanups); | |
711 | /* We know this will always throw. */ | |
f3300387 TT |
712 | gdbpy_convert_exception (except); |
713 | return NULL; | |
cb2e07a6 PM |
714 | } |
715 | ||
716 | if (sals.nelts) | |
717 | { | |
718 | int i; | |
719 | ||
59876f8f TT |
720 | result.reset (PyTuple_New (sals.nelts)); |
721 | if (result == NULL) | |
722 | { | |
723 | do_cleanups (cleanups); | |
724 | return NULL; | |
725 | } | |
cb2e07a6 PM |
726 | for (i = 0; i < sals.nelts; ++i) |
727 | { | |
728 | PyObject *obj; | |
cb2e07a6 PM |
729 | |
730 | obj = symtab_and_line_to_sal_object (sals.sals[i]); | |
731 | if (! obj) | |
732 | { | |
59876f8f TT |
733 | do_cleanups (cleanups); |
734 | return NULL; | |
cb2e07a6 PM |
735 | } |
736 | ||
59876f8f | 737 | PyTuple_SetItem (result.get (), i, obj); |
cb2e07a6 PM |
738 | } |
739 | } | |
740 | else | |
741 | { | |
59876f8f | 742 | result.reset (Py_None); |
cb2e07a6 PM |
743 | Py_INCREF (Py_None); |
744 | } | |
745 | ||
7780f186 | 746 | gdbpy_ref<> return_result (PyTuple_New (2)); |
59876f8f | 747 | if (return_result == NULL) |
cb2e07a6 | 748 | { |
59876f8f TT |
749 | do_cleanups (cleanups); |
750 | return NULL; | |
cb2e07a6 PM |
751 | } |
752 | ||
f00aae0f | 753 | if (arg != NULL && strlen (arg) > 0) |
9bc3523d | 754 | { |
59876f8f | 755 | unparsed.reset (PyString_FromString (arg)); |
9bc3523d TT |
756 | if (unparsed == NULL) |
757 | { | |
59876f8f TT |
758 | do_cleanups (cleanups); |
759 | return NULL; | |
9bc3523d TT |
760 | } |
761 | } | |
cb2e07a6 PM |
762 | else |
763 | { | |
59876f8f | 764 | unparsed.reset (Py_None); |
cb2e07a6 PM |
765 | Py_INCREF (Py_None); |
766 | } | |
767 | ||
59876f8f TT |
768 | PyTuple_SetItem (return_result.get (), 0, unparsed.release ()); |
769 | PyTuple_SetItem (return_result.get (), 1, result.release ()); | |
cb2e07a6 PM |
770 | |
771 | do_cleanups (cleanups); | |
772 | ||
59876f8f | 773 | return return_result.release (); |
cb2e07a6 PM |
774 | } |
775 | ||
57a1d736 TT |
776 | /* Parse a string and evaluate it as an expression. */ |
777 | static PyObject * | |
778 | gdbpy_parse_and_eval (PyObject *self, PyObject *args) | |
779 | { | |
ddd49eee | 780 | const char *expr_str; |
57a1d736 | 781 | struct value *result = NULL; |
57a1d736 TT |
782 | |
783 | if (!PyArg_ParseTuple (args, "s", &expr_str)) | |
784 | return NULL; | |
785 | ||
492d29ea | 786 | TRY |
57a1d736 | 787 | { |
bbc13ae3 | 788 | result = parse_and_eval (expr_str); |
57a1d736 | 789 | } |
492d29ea PA |
790 | CATCH (except, RETURN_MASK_ALL) |
791 | { | |
792 | GDB_PY_HANDLE_EXCEPTION (except); | |
793 | } | |
794 | END_CATCH | |
57a1d736 TT |
795 | |
796 | return value_to_value_object (result); | |
797 | } | |
798 | ||
7efc75aa SCR |
799 | /* Implementation of gdb.find_pc_line function. |
800 | Returns the gdb.Symtab_and_line object corresponding to a PC value. */ | |
801 | ||
802 | static PyObject * | |
803 | gdbpy_find_pc_line (PyObject *self, PyObject *args) | |
804 | { | |
29ca12b3 | 805 | gdb_py_ulongest pc_llu; |
62d7fb51 | 806 | PyObject *result = NULL; /* init for gcc -Wall */ |
7efc75aa SCR |
807 | |
808 | if (!PyArg_ParseTuple (args, GDB_PY_LLU_ARG, &pc_llu)) | |
809 | return NULL; | |
810 | ||
492d29ea | 811 | TRY |
9e974e55 TT |
812 | { |
813 | struct symtab_and_line sal; | |
814 | CORE_ADDR pc; | |
815 | ||
816 | pc = (CORE_ADDR) pc_llu; | |
817 | sal = find_pc_line (pc, 0); | |
818 | result = symtab_and_line_to_sal_object (sal); | |
819 | } | |
492d29ea PA |
820 | CATCH (except, RETURN_MASK_ALL) |
821 | { | |
822 | GDB_PY_HANDLE_EXCEPTION (except); | |
823 | } | |
824 | END_CATCH | |
9e974e55 TT |
825 | |
826 | return result; | |
7efc75aa SCR |
827 | } |
828 | ||
e0f3fd7c TT |
829 | /* Implementation of gdb.invalidate_cached_frames. */ |
830 | ||
831 | static PyObject * | |
832 | gdbpy_invalidate_cached_frames (PyObject *self, PyObject *args) | |
833 | { | |
834 | reinit_frame_cache (); | |
835 | Py_RETURN_NONE; | |
836 | } | |
837 | ||
d234ef5c | 838 | /* Read a file as Python code. |
6dddc817 DE |
839 | This is the extension_language_script_ops.script_sourcer "method". |
840 | FILE is the file to load. FILENAME is name of the file FILE. | |
d234ef5c DE |
841 | This does not throw any errors. If an exception occurs python will print |
842 | the traceback and clear the error indicator. */ | |
973817a3 | 843 | |
6dddc817 DE |
844 | static void |
845 | gdbpy_source_script (const struct extension_language_defn *extlang, | |
846 | FILE *file, const char *filename) | |
973817a3 | 847 | { |
60e600ec | 848 | gdbpy_enter enter_py (get_current_arch (), current_language); |
4c63965b | 849 | python_run_simple_file (file, filename); |
973817a3 JB |
850 | } |
851 | ||
d57a3c85 TJB |
852 | \f |
853 | ||
ca5c20b6 PM |
854 | /* Posting and handling events. */ |
855 | ||
856 | /* A single event. */ | |
857 | struct gdbpy_event | |
858 | { | |
859 | /* The Python event. This is just a callable object. */ | |
860 | PyObject *event; | |
861 | /* The next event. */ | |
862 | struct gdbpy_event *next; | |
863 | }; | |
864 | ||
865 | /* All pending events. */ | |
866 | static struct gdbpy_event *gdbpy_event_list; | |
867 | /* The final link of the event list. */ | |
868 | static struct gdbpy_event **gdbpy_event_list_end; | |
869 | ||
6eddd09a PA |
870 | /* So that we can wake up the main thread even when it is blocked in |
871 | poll(). */ | |
872 | static struct serial_event *gdbpy_serial_event; | |
ca5c20b6 PM |
873 | |
874 | /* The file handler callback. This reads from the internal pipe, and | |
875 | then processes the Python event queue. This will always be run in | |
876 | the main gdb thread. */ | |
4a532131 | 877 | |
ca5c20b6 | 878 | static void |
6eddd09a | 879 | gdbpy_run_events (int error, gdb_client_data client_data) |
ca5c20b6 | 880 | { |
60e600ec | 881 | gdbpy_enter enter_py (get_current_arch (), current_language); |
ca5c20b6 | 882 | |
6eddd09a PA |
883 | /* Clear the event fd. Do this before flushing the events list, so |
884 | that any new event post afterwards is sure to re-awake the event | |
4a532131 | 885 | loop. */ |
6eddd09a | 886 | serial_event_clear (gdbpy_serial_event); |
ca5c20b6 PM |
887 | |
888 | while (gdbpy_event_list) | |
889 | { | |
890 | /* Dispatching the event might push a new element onto the event | |
891 | loop, so we update here "atomically enough". */ | |
892 | struct gdbpy_event *item = gdbpy_event_list; | |
893 | gdbpy_event_list = gdbpy_event_list->next; | |
894 | if (gdbpy_event_list == NULL) | |
895 | gdbpy_event_list_end = &gdbpy_event_list; | |
896 | ||
897 | /* Ignore errors. */ | |
7780f186 | 898 | gdbpy_ref<> call_result (PyObject_CallObject (item->event, NULL)); |
02146ba5 | 899 | if (call_result == NULL) |
ca5c20b6 PM |
900 | PyErr_Clear (); |
901 | ||
902 | Py_DECREF (item->event); | |
903 | xfree (item); | |
904 | } | |
ca5c20b6 PM |
905 | } |
906 | ||
907 | /* Submit an event to the gdb thread. */ | |
908 | static PyObject * | |
909 | gdbpy_post_event (PyObject *self, PyObject *args) | |
910 | { | |
911 | struct gdbpy_event *event; | |
912 | PyObject *func; | |
913 | int wakeup; | |
914 | ||
915 | if (!PyArg_ParseTuple (args, "O", &func)) | |
916 | return NULL; | |
917 | ||
918 | if (!PyCallable_Check (func)) | |
919 | { | |
256458bc | 920 | PyErr_SetString (PyExc_RuntimeError, |
ca5c20b6 PM |
921 | _("Posted event is not callable")); |
922 | return NULL; | |
923 | } | |
924 | ||
925 | Py_INCREF (func); | |
926 | ||
927 | /* From here until the end of the function, we have the GIL, so we | |
928 | can operate on our global data structures without worrying. */ | |
929 | wakeup = gdbpy_event_list == NULL; | |
930 | ||
931 | event = XNEW (struct gdbpy_event); | |
932 | event->event = func; | |
933 | event->next = NULL; | |
934 | *gdbpy_event_list_end = event; | |
935 | gdbpy_event_list_end = &event->next; | |
936 | ||
937 | /* Wake up gdb when needed. */ | |
938 | if (wakeup) | |
6eddd09a | 939 | serial_event_set (gdbpy_serial_event); |
ca5c20b6 PM |
940 | |
941 | Py_RETURN_NONE; | |
942 | } | |
943 | ||
944 | /* Initialize the Python event handler. */ | |
999633ed | 945 | static int |
ca5c20b6 PM |
946 | gdbpy_initialize_events (void) |
947 | { | |
6eddd09a PA |
948 | gdbpy_event_list_end = &gdbpy_event_list; |
949 | ||
950 | gdbpy_serial_event = make_serial_event (); | |
951 | add_file_handler (serial_event_fd (gdbpy_serial_event), | |
952 | gdbpy_run_events, NULL); | |
999633ed TT |
953 | |
954 | return 0; | |
ca5c20b6 PM |
955 | } |
956 | ||
d17b6f81 PM |
957 | \f |
958 | ||
6dddc817 DE |
959 | /* This is the extension_language_ops.before_prompt "method". */ |
960 | ||
961 | static enum ext_lang_rc | |
962 | gdbpy_before_prompt_hook (const struct extension_language_defn *extlang, | |
963 | const char *current_gdb_prompt) | |
d17b6f81 | 964 | { |
0646da15 | 965 | if (!gdb_python_initialized) |
6dddc817 | 966 | return EXT_LANG_RC_NOP; |
0646da15 | 967 | |
a88b13c7 | 968 | gdbpy_enter enter_py (get_current_arch (), current_language); |
d17b6f81 | 969 | |
3f77c769 TT |
970 | if (!evregpy_no_listeners_p (gdb_py_events.before_prompt) |
971 | && evpy_emit_event (NULL, gdb_py_events.before_prompt) < 0) | |
972 | return EXT_LANG_RC_ERROR; | |
973 | ||
b9516fa1 YPK |
974 | if (gdb_python_module |
975 | && PyObject_HasAttrString (gdb_python_module, "prompt_hook")) | |
d17b6f81 | 976 | { |
7780f186 TT |
977 | gdbpy_ref<> hook (PyObject_GetAttrString (gdb_python_module, |
978 | "prompt_hook")); | |
d17b6f81 | 979 | if (hook == NULL) |
d17b6f81 | 980 | { |
a88b13c7 TT |
981 | gdbpy_print_stack (); |
982 | return EXT_LANG_RC_ERROR; | |
983 | } | |
d17b6f81 | 984 | |
a88b13c7 TT |
985 | if (PyCallable_Check (hook.get ())) |
986 | { | |
7780f186 | 987 | gdbpy_ref<> current_prompt (PyString_FromString (current_gdb_prompt)); |
d17b6f81 | 988 | if (current_prompt == NULL) |
a88b13c7 TT |
989 | { |
990 | gdbpy_print_stack (); | |
991 | return EXT_LANG_RC_ERROR; | |
992 | } | |
d17b6f81 | 993 | |
7780f186 TT |
994 | gdbpy_ref<> result |
995 | (PyObject_CallFunctionObjArgs (hook.get (), current_prompt.get (), | |
996 | NULL)); | |
d17b6f81 | 997 | if (result == NULL) |
a88b13c7 TT |
998 | { |
999 | gdbpy_print_stack (); | |
1000 | return EXT_LANG_RC_ERROR; | |
1001 | } | |
d17b6f81 PM |
1002 | |
1003 | /* Return type should be None, or a String. If it is None, | |
1004 | fall through, we will not set a prompt. If it is a | |
1005 | string, set PROMPT. Anything else, set an exception. */ | |
a88b13c7 | 1006 | if (result != Py_None && ! PyString_Check (result.get ())) |
d17b6f81 PM |
1007 | { |
1008 | PyErr_Format (PyExc_RuntimeError, | |
1009 | _("Return from prompt_hook must " \ | |
1010 | "be either a Python string, or None")); | |
a88b13c7 TT |
1011 | gdbpy_print_stack (); |
1012 | return EXT_LANG_RC_ERROR; | |
d17b6f81 PM |
1013 | } |
1014 | ||
1015 | if (result != Py_None) | |
1016 | { | |
a88b13c7 TT |
1017 | gdb::unique_xmalloc_ptr<char> |
1018 | prompt (python_string_to_host_string (result.get ())); | |
d17b6f81 PM |
1019 | |
1020 | if (prompt == NULL) | |
a88b13c7 TT |
1021 | { |
1022 | gdbpy_print_stack (); | |
1023 | return EXT_LANG_RC_ERROR; | |
1024 | } | |
1025 | ||
1026 | set_prompt (prompt.get ()); | |
1027 | return EXT_LANG_RC_OK; | |
d17b6f81 PM |
1028 | } |
1029 | } | |
1030 | } | |
1031 | ||
a88b13c7 | 1032 | return EXT_LANG_RC_NOP; |
d17b6f81 PM |
1033 | } |
1034 | ||
1035 | \f | |
1036 | ||
d57a3c85 TJB |
1037 | /* Printing. */ |
1038 | ||
1039 | /* A python function to write a single string using gdb's filtered | |
99c3dc11 PM |
1040 | output stream . The optional keyword STREAM can be used to write |
1041 | to a particular stream. The default stream is to gdb_stdout. */ | |
1042 | ||
d57a3c85 | 1043 | static PyObject * |
99c3dc11 | 1044 | gdbpy_write (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 1045 | { |
ddd49eee | 1046 | const char *arg; |
2adadf51 | 1047 | static const char *keywords[] = { "text", "stream", NULL }; |
99c3dc11 | 1048 | int stream_type = 0; |
256458bc | 1049 | |
2adadf51 PA |
1050 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|i", keywords, &arg, |
1051 | &stream_type)) | |
d57a3c85 | 1052 | return NULL; |
99c3dc11 | 1053 | |
492d29ea | 1054 | TRY |
99c3dc11 | 1055 | { |
adb4fe3b ME |
1056 | switch (stream_type) |
1057 | { | |
1058 | case 1: | |
1059 | { | |
1060 | fprintf_filtered (gdb_stderr, "%s", arg); | |
1061 | break; | |
1062 | } | |
1063 | case 2: | |
1064 | { | |
1065 | fprintf_filtered (gdb_stdlog, "%s", arg); | |
1066 | break; | |
1067 | } | |
1068 | default: | |
1069 | fprintf_filtered (gdb_stdout, "%s", arg); | |
1070 | } | |
99c3dc11 | 1071 | } |
492d29ea PA |
1072 | CATCH (except, RETURN_MASK_ALL) |
1073 | { | |
1074 | GDB_PY_HANDLE_EXCEPTION (except); | |
1075 | } | |
1076 | END_CATCH | |
256458bc | 1077 | |
d57a3c85 TJB |
1078 | Py_RETURN_NONE; |
1079 | } | |
1080 | ||
99c3dc11 PM |
1081 | /* A python function to flush a gdb stream. The optional keyword |
1082 | STREAM can be used to flush a particular stream. The default stream | |
1083 | is gdb_stdout. */ | |
1084 | ||
d57a3c85 | 1085 | static PyObject * |
99c3dc11 | 1086 | gdbpy_flush (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 1087 | { |
2adadf51 | 1088 | static const char *keywords[] = { "stream", NULL }; |
99c3dc11 | 1089 | int stream_type = 0; |
256458bc | 1090 | |
2adadf51 PA |
1091 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "|i", keywords, |
1092 | &stream_type)) | |
99c3dc11 PM |
1093 | return NULL; |
1094 | ||
1095 | switch (stream_type) | |
1096 | { | |
1097 | case 1: | |
1098 | { | |
1099 | gdb_flush (gdb_stderr); | |
1100 | break; | |
1101 | } | |
1102 | case 2: | |
1103 | { | |
1104 | gdb_flush (gdb_stdlog); | |
1105 | break; | |
1106 | } | |
1107 | default: | |
1108 | gdb_flush (gdb_stdout); | |
1109 | } | |
256458bc | 1110 | |
d57a3c85 TJB |
1111 | Py_RETURN_NONE; |
1112 | } | |
1113 | ||
69b4374a DE |
1114 | /* Return non-zero if print-stack is not "none". */ |
1115 | ||
1116 | int | |
1117 | gdbpy_print_python_errors_p (void) | |
1118 | { | |
1119 | return gdbpy_should_print_stack != python_excp_none; | |
1120 | } | |
1121 | ||
80b6e756 PM |
1122 | /* Print a python exception trace, print just a message, or print |
1123 | nothing and clear the python exception, depending on | |
1124 | gdbpy_should_print_stack. Only call this if a python exception is | |
1125 | set. */ | |
d57a3c85 TJB |
1126 | void |
1127 | gdbpy_print_stack (void) | |
1128 | { | |
7f6a5dde | 1129 | |
80b6e756 PM |
1130 | /* Print "none", just clear exception. */ |
1131 | if (gdbpy_should_print_stack == python_excp_none) | |
1132 | { | |
1133 | PyErr_Clear (); | |
1134 | } | |
1135 | /* Print "full" message and backtrace. */ | |
1136 | else if (gdbpy_should_print_stack == python_excp_full) | |
0bf0f8c4 DE |
1137 | { |
1138 | PyErr_Print (); | |
1139 | /* PyErr_Print doesn't necessarily end output with a newline. | |
1140 | This works because Python's stdout/stderr is fed through | |
1141 | printf_filtered. */ | |
492d29ea | 1142 | TRY |
7f6a5dde TT |
1143 | { |
1144 | begin_line (); | |
1145 | } | |
492d29ea PA |
1146 | CATCH (except, RETURN_MASK_ALL) |
1147 | { | |
1148 | } | |
1149 | END_CATCH | |
0bf0f8c4 | 1150 | } |
80b6e756 | 1151 | /* Print "message", just error print message. */ |
d57a3c85 | 1152 | else |
80b6e756 PM |
1153 | { |
1154 | PyObject *ptype, *pvalue, *ptraceback; | |
80b6e756 PM |
1155 | |
1156 | PyErr_Fetch (&ptype, &pvalue, &ptraceback); | |
1157 | ||
1158 | /* Fetch the error message contained within ptype, pvalue. */ | |
9b972014 TT |
1159 | gdb::unique_xmalloc_ptr<char> |
1160 | msg (gdbpy_exception_to_string (ptype, pvalue)); | |
1161 | gdb::unique_xmalloc_ptr<char> type (gdbpy_obj_to_string (ptype)); | |
7f6a5dde | 1162 | |
492d29ea | 1163 | TRY |
80b6e756 | 1164 | { |
7f6a5dde TT |
1165 | if (msg == NULL) |
1166 | { | |
1167 | /* An error occurred computing the string representation of the | |
1168 | error message. */ | |
1169 | fprintf_filtered (gdb_stderr, | |
1170 | _("Error occurred computing Python error" \ | |
1171 | "message.\n")); | |
1172 | } | |
1173 | else | |
1174 | fprintf_filtered (gdb_stderr, "Python Exception %s %s: \n", | |
9b972014 | 1175 | type.get (), msg.get ()); |
80b6e756 | 1176 | } |
492d29ea PA |
1177 | CATCH (except, RETURN_MASK_ALL) |
1178 | { | |
1179 | } | |
1180 | END_CATCH | |
80b6e756 PM |
1181 | |
1182 | Py_XDECREF (ptype); | |
1183 | Py_XDECREF (pvalue); | |
1184 | Py_XDECREF (ptraceback); | |
80b6e756 | 1185 | } |
d57a3c85 TJB |
1186 | } |
1187 | ||
89c73ade TT |
1188 | \f |
1189 | ||
fa33c3cd DE |
1190 | /* Return the current Progspace. |
1191 | There always is one. */ | |
1192 | ||
1193 | static PyObject * | |
1194 | gdbpy_get_current_progspace (PyObject *unused1, PyObject *unused2) | |
1195 | { | |
1196 | PyObject *result; | |
1197 | ||
1198 | result = pspace_to_pspace_object (current_program_space); | |
1199 | if (result) | |
1200 | Py_INCREF (result); | |
1201 | return result; | |
1202 | } | |
1203 | ||
1204 | /* Return a sequence holding all the Progspaces. */ | |
1205 | ||
1206 | static PyObject * | |
1207 | gdbpy_progspaces (PyObject *unused1, PyObject *unused2) | |
1208 | { | |
1209 | struct program_space *ps; | |
fa33c3cd | 1210 | |
7780f186 | 1211 | gdbpy_ref<> list (PyList_New (0)); |
ff3724f5 | 1212 | if (list == NULL) |
fa33c3cd DE |
1213 | return NULL; |
1214 | ||
1215 | ALL_PSPACES (ps) | |
1216 | { | |
1217 | PyObject *item = pspace_to_pspace_object (ps); | |
d59b6f6c | 1218 | |
ff3724f5 TT |
1219 | if (!item || PyList_Append (list.get (), item) == -1) |
1220 | return NULL; | |
fa33c3cd DE |
1221 | } |
1222 | ||
ff3724f5 | 1223 | return list.release (); |
fa33c3cd DE |
1224 | } |
1225 | ||
1226 | \f | |
1227 | ||
89c73ade | 1228 | /* The "current" objfile. This is set when gdb detects that a new |
8a1ea21f | 1229 | objfile has been loaded. It is only set for the duration of a call to |
9f050062 DE |
1230 | gdbpy_source_objfile_script and gdbpy_execute_objfile_script; it is NULL |
1231 | at other times. */ | |
89c73ade TT |
1232 | static struct objfile *gdbpy_current_objfile; |
1233 | ||
4c63965b JK |
1234 | /* Set the current objfile to OBJFILE and then read FILE named FILENAME |
1235 | as Python code. This does not throw any errors. If an exception | |
6dddc817 DE |
1236 | occurs python will print the traceback and clear the error indicator. |
1237 | This is the extension_language_script_ops.objfile_script_sourcer | |
1238 | "method". */ | |
89c73ade | 1239 | |
6dddc817 DE |
1240 | static void |
1241 | gdbpy_source_objfile_script (const struct extension_language_defn *extlang, | |
1242 | struct objfile *objfile, FILE *file, | |
1243 | const char *filename) | |
89c73ade | 1244 | { |
0646da15 TT |
1245 | if (!gdb_python_initialized) |
1246 | return; | |
1247 | ||
60e600ec | 1248 | gdbpy_enter enter_py (get_objfile_arch (objfile), current_language); |
89c73ade TT |
1249 | gdbpy_current_objfile = objfile; |
1250 | ||
4c63965b | 1251 | python_run_simple_file (file, filename); |
89c73ade | 1252 | |
89c73ade | 1253 | gdbpy_current_objfile = NULL; |
89c73ade TT |
1254 | } |
1255 | ||
9f050062 DE |
1256 | /* Set the current objfile to OBJFILE and then execute SCRIPT |
1257 | as Python code. This does not throw any errors. If an exception | |
1258 | occurs python will print the traceback and clear the error indicator. | |
1259 | This is the extension_language_script_ops.objfile_script_executor | |
1260 | "method". */ | |
1261 | ||
1262 | static void | |
1263 | gdbpy_execute_objfile_script (const struct extension_language_defn *extlang, | |
1264 | struct objfile *objfile, const char *name, | |
1265 | const char *script) | |
1266 | { | |
9f050062 DE |
1267 | if (!gdb_python_initialized) |
1268 | return; | |
1269 | ||
60e600ec | 1270 | gdbpy_enter enter_py (get_objfile_arch (objfile), current_language); |
9f050062 DE |
1271 | gdbpy_current_objfile = objfile; |
1272 | ||
1273 | PyRun_SimpleString (script); | |
1274 | ||
9f050062 DE |
1275 | gdbpy_current_objfile = NULL; |
1276 | } | |
1277 | ||
89c73ade | 1278 | /* Return the current Objfile, or None if there isn't one. */ |
8a1ea21f | 1279 | |
89c73ade TT |
1280 | static PyObject * |
1281 | gdbpy_get_current_objfile (PyObject *unused1, PyObject *unused2) | |
1282 | { | |
1283 | PyObject *result; | |
1284 | ||
1285 | if (! gdbpy_current_objfile) | |
1286 | Py_RETURN_NONE; | |
1287 | ||
1288 | result = objfile_to_objfile_object (gdbpy_current_objfile); | |
1289 | if (result) | |
1290 | Py_INCREF (result); | |
1291 | return result; | |
1292 | } | |
1293 | ||
1294 | /* Return a sequence holding all the Objfiles. */ | |
fa33c3cd | 1295 | |
89c73ade TT |
1296 | static PyObject * |
1297 | gdbpy_objfiles (PyObject *unused1, PyObject *unused2) | |
1298 | { | |
1299 | struct objfile *objf; | |
89c73ade | 1300 | |
7780f186 | 1301 | gdbpy_ref<> list (PyList_New (0)); |
ff3724f5 | 1302 | if (list == NULL) |
89c73ade TT |
1303 | return NULL; |
1304 | ||
1305 | ALL_OBJFILES (objf) | |
1306 | { | |
1307 | PyObject *item = objfile_to_objfile_object (objf); | |
d59b6f6c | 1308 | |
ff3724f5 TT |
1309 | if (!item || PyList_Append (list.get (), item) == -1) |
1310 | return NULL; | |
89c73ade TT |
1311 | } |
1312 | ||
ff3724f5 | 1313 | return list.release (); |
89c73ade TT |
1314 | } |
1315 | ||
6dddc817 DE |
1316 | /* Compute the list of active python type printers and store them in |
1317 | EXT_PRINTERS->py_type_printers. The product of this function is used by | |
1318 | gdbpy_apply_type_printers, and freed by gdbpy_free_type_printers. | |
1319 | This is the extension_language_ops.start_type_printers "method". */ | |
18a9fc12 | 1320 | |
6dddc817 DE |
1321 | static void |
1322 | gdbpy_start_type_printers (const struct extension_language_defn *extlang, | |
1323 | struct ext_lang_type_printers *ext_printers) | |
18a9fc12 | 1324 | { |
59876f8f | 1325 | PyObject *printers_obj = NULL; |
18a9fc12 | 1326 | |
0646da15 | 1327 | if (!gdb_python_initialized) |
6dddc817 | 1328 | return; |
0646da15 | 1329 | |
60e600ec | 1330 | gdbpy_enter enter_py (get_current_arch (), current_language); |
18a9fc12 | 1331 | |
7780f186 | 1332 | gdbpy_ref<> type_module (PyImport_ImportModule ("gdb.types")); |
18a9fc12 TT |
1333 | if (type_module == NULL) |
1334 | { | |
1335 | gdbpy_print_stack (); | |
59876f8f | 1336 | return; |
18a9fc12 | 1337 | } |
18a9fc12 | 1338 | |
7780f186 TT |
1339 | gdbpy_ref<> func (PyObject_GetAttrString (type_module.get (), |
1340 | "get_type_recognizers")); | |
18a9fc12 TT |
1341 | if (func == NULL) |
1342 | { | |
1343 | gdbpy_print_stack (); | |
59876f8f | 1344 | return; |
18a9fc12 | 1345 | } |
18a9fc12 | 1346 | |
59876f8f | 1347 | printers_obj = PyObject_CallFunctionObjArgs (func.get (), (char *) NULL); |
6dddc817 | 1348 | if (printers_obj == NULL) |
18a9fc12 | 1349 | gdbpy_print_stack (); |
6dddc817 DE |
1350 | else |
1351 | ext_printers->py_type_printers = printers_obj; | |
18a9fc12 TT |
1352 | } |
1353 | ||
6dddc817 DE |
1354 | /* If TYPE is recognized by some type printer, store in *PRETTIED_TYPE |
1355 | a newly allocated string holding the type's replacement name, and return | |
1356 | EXT_LANG_RC_OK. The caller is responsible for freeing the string. | |
1357 | If there's a Python error return EXT_LANG_RC_ERROR. | |
1358 | Otherwise, return EXT_LANG_RC_NOP. | |
1359 | This is the extension_language_ops.apply_type_printers "method". */ | |
1360 | ||
1361 | static enum ext_lang_rc | |
1362 | gdbpy_apply_type_printers (const struct extension_language_defn *extlang, | |
1363 | const struct ext_lang_type_printers *ext_printers, | |
1364 | struct type *type, char **prettied_type) | |
18a9fc12 | 1365 | { |
19ba03f4 | 1366 | PyObject *printers_obj = (PyObject *) ext_printers->py_type_printers; |
9b972014 | 1367 | gdb::unique_xmalloc_ptr<char> result; |
18a9fc12 TT |
1368 | |
1369 | if (printers_obj == NULL) | |
6dddc817 | 1370 | return EXT_LANG_RC_NOP; |
18a9fc12 | 1371 | |
0646da15 | 1372 | if (!gdb_python_initialized) |
6dddc817 | 1373 | return EXT_LANG_RC_NOP; |
0646da15 | 1374 | |
60e600ec | 1375 | gdbpy_enter enter_py (get_current_arch (), current_language); |
18a9fc12 | 1376 | |
7780f186 | 1377 | gdbpy_ref<> type_obj (type_to_type_object (type)); |
18a9fc12 TT |
1378 | if (type_obj == NULL) |
1379 | { | |
1380 | gdbpy_print_stack (); | |
59876f8f | 1381 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1382 | } |
18a9fc12 | 1383 | |
7780f186 | 1384 | gdbpy_ref<> type_module (PyImport_ImportModule ("gdb.types")); |
18a9fc12 TT |
1385 | if (type_module == NULL) |
1386 | { | |
1387 | gdbpy_print_stack (); | |
59876f8f | 1388 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1389 | } |
18a9fc12 | 1390 | |
7780f186 TT |
1391 | gdbpy_ref<> func (PyObject_GetAttrString (type_module.get (), |
1392 | "apply_type_recognizers")); | |
18a9fc12 TT |
1393 | if (func == NULL) |
1394 | { | |
1395 | gdbpy_print_stack (); | |
59876f8f | 1396 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1397 | } |
18a9fc12 | 1398 | |
7780f186 TT |
1399 | gdbpy_ref<> result_obj (PyObject_CallFunctionObjArgs (func.get (), |
1400 | printers_obj, | |
1401 | type_obj.get (), | |
1402 | (char *) NULL)); | |
18a9fc12 TT |
1403 | if (result_obj == NULL) |
1404 | { | |
1405 | gdbpy_print_stack (); | |
59876f8f | 1406 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1407 | } |
18a9fc12 | 1408 | |
59876f8f TT |
1409 | if (result_obj == Py_None) |
1410 | return EXT_LANG_RC_NOP; | |
18a9fc12 | 1411 | |
59876f8f TT |
1412 | result = python_string_to_host_string (result_obj.get ()); |
1413 | if (result == NULL) | |
9b972014 | 1414 | { |
59876f8f TT |
1415 | gdbpy_print_stack (); |
1416 | return EXT_LANG_RC_ERROR; | |
9b972014 | 1417 | } |
59876f8f TT |
1418 | |
1419 | *prettied_type = result.release (); | |
1420 | return EXT_LANG_RC_OK; | |
18a9fc12 TT |
1421 | } |
1422 | ||
6dddc817 DE |
1423 | /* Free the result of start_type_printers. |
1424 | This is the extension_language_ops.free_type_printers "method". */ | |
18a9fc12 | 1425 | |
6dddc817 DE |
1426 | static void |
1427 | gdbpy_free_type_printers (const struct extension_language_defn *extlang, | |
1428 | struct ext_lang_type_printers *ext_printers) | |
18a9fc12 | 1429 | { |
19ba03f4 | 1430 | PyObject *printers = (PyObject *) ext_printers->py_type_printers; |
18a9fc12 TT |
1431 | |
1432 | if (printers == NULL) | |
1433 | return; | |
1434 | ||
0646da15 TT |
1435 | if (!gdb_python_initialized) |
1436 | return; | |
1437 | ||
60e600ec | 1438 | gdbpy_enter enter_py (get_current_arch (), current_language); |
18a9fc12 | 1439 | Py_DECREF (printers); |
18a9fc12 TT |
1440 | } |
1441 | ||
d57a3c85 TJB |
1442 | #else /* HAVE_PYTHON */ |
1443 | ||
8315665e YPK |
1444 | /* Dummy implementation of the gdb "python-interactive" and "python" |
1445 | command. */ | |
d57a3c85 TJB |
1446 | |
1447 | static void | |
8315665e | 1448 | python_interactive_command (char *arg, int from_tty) |
d57a3c85 | 1449 | { |
529480d0 | 1450 | arg = skip_spaces (arg); |
d57a3c85 TJB |
1451 | if (arg && *arg) |
1452 | error (_("Python scripting is not supported in this copy of GDB.")); | |
1453 | else | |
1454 | { | |
1455 | struct command_line *l = get_command_line (python_control, ""); | |
1456 | struct cleanup *cleanups = make_cleanup_free_command_lines (&l); | |
d59b6f6c | 1457 | |
d57a3c85 TJB |
1458 | execute_control_command_untraced (l); |
1459 | do_cleanups (cleanups); | |
1460 | } | |
1461 | } | |
1462 | ||
8315665e YPK |
1463 | static void |
1464 | python_command (char *arg, int from_tty) | |
1465 | { | |
1466 | python_interactive_command (arg, from_tty); | |
1467 | } | |
1468 | ||
d57a3c85 TJB |
1469 | #endif /* HAVE_PYTHON */ |
1470 | ||
1471 | \f | |
1472 | ||
713389e0 PM |
1473 | /* Lists for 'set python' commands. */ |
1474 | ||
1475 | static struct cmd_list_element *user_set_python_list; | |
1476 | static struct cmd_list_element *user_show_python_list; | |
d57a3c85 | 1477 | |
713389e0 PM |
1478 | /* Function for use by 'set python' prefix command. */ |
1479 | ||
1480 | static void | |
1481 | user_set_python (char *args, int from_tty) | |
1482 | { | |
1483 | help_list (user_set_python_list, "set python ", all_commands, | |
1484 | gdb_stdout); | |
1485 | } | |
1486 | ||
1487 | /* Function for use by 'show python' prefix command. */ | |
1488 | ||
1489 | static void | |
1490 | user_show_python (char *args, int from_tty) | |
d57a3c85 | 1491 | { |
713389e0 | 1492 | cmd_show_list (user_show_python_list, from_tty, ""); |
d57a3c85 TJB |
1493 | } |
1494 | ||
1495 | /* Initialize the Python code. */ | |
1496 | ||
810849a3 AS |
1497 | #ifdef HAVE_PYTHON |
1498 | ||
d7de8e3c TT |
1499 | /* This is installed as a final cleanup and cleans up the |
1500 | interpreter. This lets Python's 'atexit' work. */ | |
1501 | ||
1502 | static void | |
1503 | finalize_python (void *ignore) | |
1504 | { | |
6dddc817 DE |
1505 | struct active_ext_lang_state *previous_active; |
1506 | ||
d7de8e3c TT |
1507 | /* We don't use ensure_python_env here because if we ever ran the |
1508 | cleanup, gdb would crash -- because the cleanup calls into the | |
1509 | Python interpreter, which we are about to destroy. It seems | |
1510 | clearer to make the needed calls explicitly here than to create a | |
1511 | cleanup and then mysteriously discard it. */ | |
6dddc817 DE |
1512 | |
1513 | /* This is only called as a final cleanup so we can assume the active | |
1514 | SIGINT handler is gdb's. We still need to tell it to notify Python. */ | |
1515 | previous_active = set_active_ext_lang (&extension_language_python); | |
1516 | ||
b1209b03 | 1517 | (void) PyGILState_Ensure (); |
f5656ead | 1518 | python_gdbarch = target_gdbarch (); |
d7de8e3c TT |
1519 | python_language = current_language; |
1520 | ||
1521 | Py_Finalize (); | |
6dddc817 DE |
1522 | |
1523 | restore_active_ext_lang (previous_active); | |
d7de8e3c | 1524 | } |
810849a3 | 1525 | #endif |
d7de8e3c | 1526 | |
2c0b251b PA |
1527 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
1528 | extern initialize_file_ftype _initialize_python; | |
1529 | ||
2bb8f231 TT |
1530 | #ifdef HAVE_PYTHON |
1531 | ||
1532 | static bool | |
1533 | do_start_initialization () | |
d57a3c85 | 1534 | { |
9a27f2c6 PK |
1535 | char *progname; |
1536 | #ifdef IS_PY3K | |
1537 | int i; | |
1538 | size_t progsize, count; | |
1539 | char *oldloc; | |
1540 | wchar_t *progname_copy; | |
1541 | #endif | |
713389e0 | 1542 | |
0c4a4063 DE |
1543 | #ifdef WITH_PYTHON_PATH |
1544 | /* Work around problem where python gets confused about where it is, | |
1545 | and then can't find its libraries, etc. | |
1546 | NOTE: Python assumes the following layout: | |
1547 | /foo/bin/python | |
1548 | /foo/lib/pythonX.Y/... | |
1549 | This must be done before calling Py_Initialize. */ | |
d721ba37 | 1550 | progname = concat (ldirname (python_libdir).c_str (), SLASH_STRING, "bin", |
b36cec19 | 1551 | SLASH_STRING, "python", (char *) NULL); |
9a27f2c6 | 1552 | #ifdef IS_PY3K |
86f1abec | 1553 | oldloc = xstrdup (setlocale (LC_ALL, NULL)); |
9a27f2c6 PK |
1554 | setlocale (LC_ALL, ""); |
1555 | progsize = strlen (progname); | |
db0f0d0c | 1556 | progname_copy = (wchar_t *) PyMem_Malloc ((progsize + 1) * sizeof (wchar_t)); |
9a27f2c6 PK |
1557 | if (!progname_copy) |
1558 | { | |
86f1abec | 1559 | xfree (oldloc); |
9a27f2c6 | 1560 | fprintf (stderr, "out of memory\n"); |
2bb8f231 | 1561 | return false; |
9a27f2c6 PK |
1562 | } |
1563 | count = mbstowcs (progname_copy, progname, progsize + 1); | |
1564 | if (count == (size_t) -1) | |
1565 | { | |
86f1abec | 1566 | xfree (oldloc); |
9a27f2c6 | 1567 | fprintf (stderr, "Could not convert python path to string\n"); |
2bb8f231 | 1568 | return false; |
9a27f2c6 PK |
1569 | } |
1570 | setlocale (LC_ALL, oldloc); | |
86f1abec | 1571 | xfree (oldloc); |
9a27f2c6 PK |
1572 | |
1573 | /* Note that Py_SetProgramName expects the string it is passed to | |
1574 | remain alive for the duration of the program's execution, so | |
1575 | it is not freed after this call. */ | |
1576 | Py_SetProgramName (progname_copy); | |
1577 | #else | |
1578 | Py_SetProgramName (progname); | |
1579 | #endif | |
0c4a4063 DE |
1580 | #endif |
1581 | ||
d57a3c85 | 1582 | Py_Initialize (); |
ca30a762 | 1583 | PyEval_InitThreads (); |
d57a3c85 | 1584 | |
9a27f2c6 | 1585 | #ifdef IS_PY3K |
bcabf420 | 1586 | gdb_module = PyModule_Create (&python_GdbModuleDef); |
9a27f2c6 PK |
1587 | /* Add _gdb module to the list of known built-in modules. */ |
1588 | _PyImport_FixupBuiltin (gdb_module, "_gdb"); | |
1589 | #else | |
bcabf420 | 1590 | gdb_module = Py_InitModule ("_gdb", python_GdbMethods); |
9a27f2c6 | 1591 | #endif |
999633ed | 1592 | if (gdb_module == NULL) |
2bb8f231 | 1593 | return false; |
d57a3c85 TJB |
1594 | |
1595 | /* The casts to (char*) are for python 2.4. */ | |
999633ed TT |
1596 | if (PyModule_AddStringConstant (gdb_module, "VERSION", (char*) version) < 0 |
1597 | || PyModule_AddStringConstant (gdb_module, "HOST_CONFIG", | |
1598 | (char*) host_name) < 0 | |
1599 | || PyModule_AddStringConstant (gdb_module, "TARGET_CONFIG", | |
1600 | (char*) target_name) < 0) | |
2bb8f231 | 1601 | return false; |
f17618ea | 1602 | |
99c3dc11 | 1603 | /* Add stream constants. */ |
999633ed TT |
1604 | if (PyModule_AddIntConstant (gdb_module, "STDOUT", 0) < 0 |
1605 | || PyModule_AddIntConstant (gdb_module, "STDERR", 1) < 0 | |
1606 | || PyModule_AddIntConstant (gdb_module, "STDLOG", 2) < 0) | |
2bb8f231 | 1607 | return false; |
d57a3c85 | 1608 | |
621c8364 | 1609 | gdbpy_gdb_error = PyErr_NewException ("gdb.error", PyExc_RuntimeError, NULL); |
999633ed | 1610 | if (gdbpy_gdb_error == NULL |
aa36459a | 1611 | || gdb_pymodule_addobject (gdb_module, "error", gdbpy_gdb_error) < 0) |
2bb8f231 | 1612 | return false; |
621c8364 TT |
1613 | |
1614 | gdbpy_gdb_memory_error = PyErr_NewException ("gdb.MemoryError", | |
1615 | gdbpy_gdb_error, NULL); | |
999633ed | 1616 | if (gdbpy_gdb_memory_error == NULL |
aa36459a TT |
1617 | || gdb_pymodule_addobject (gdb_module, "MemoryError", |
1618 | gdbpy_gdb_memory_error) < 0) | |
2bb8f231 | 1619 | return false; |
621c8364 | 1620 | |
07ca107c | 1621 | gdbpy_gdberror_exc = PyErr_NewException ("gdb.GdbError", NULL, NULL); |
999633ed | 1622 | if (gdbpy_gdberror_exc == NULL |
aa36459a TT |
1623 | || gdb_pymodule_addobject (gdb_module, "GdbError", |
1624 | gdbpy_gdberror_exc) < 0) | |
2bb8f231 | 1625 | return false; |
07ca107c | 1626 | |
037bbc8e | 1627 | gdbpy_initialize_gdb_readline (); |
999633ed TT |
1628 | |
1629 | if (gdbpy_initialize_auto_load () < 0 | |
1630 | || gdbpy_initialize_values () < 0 | |
1631 | || gdbpy_initialize_frames () < 0 | |
1632 | || gdbpy_initialize_commands () < 0 | |
4726b2d8 | 1633 | || gdbpy_initialize_record () < 0 |
75c0bdf4 | 1634 | || gdbpy_initialize_btrace () < 0 |
999633ed TT |
1635 | || gdbpy_initialize_symbols () < 0 |
1636 | || gdbpy_initialize_symtabs () < 0 | |
1637 | || gdbpy_initialize_blocks () < 0 | |
1638 | || gdbpy_initialize_functions () < 0 | |
1639 | || gdbpy_initialize_parameters () < 0 | |
1640 | || gdbpy_initialize_types () < 0 | |
1641 | || gdbpy_initialize_pspace () < 0 | |
1642 | || gdbpy_initialize_objfile () < 0 | |
1643 | || gdbpy_initialize_breakpoints () < 0 | |
1644 | || gdbpy_initialize_finishbreakpoints () < 0 | |
1645 | || gdbpy_initialize_lazy_string () < 0 | |
bc79de95 | 1646 | || gdbpy_initialize_linetable () < 0 |
999633ed TT |
1647 | || gdbpy_initialize_thread () < 0 |
1648 | || gdbpy_initialize_inferior () < 0 | |
1649 | || gdbpy_initialize_events () < 0 | |
1650 | || gdbpy_initialize_eventregistry () < 0 | |
1651 | || gdbpy_initialize_py_events () < 0 | |
1652 | || gdbpy_initialize_event () < 0 | |
1653 | || gdbpy_initialize_stop_event () < 0 | |
1654 | || gdbpy_initialize_signal_event () < 0 | |
1655 | || gdbpy_initialize_breakpoint_event () < 0 | |
1656 | || gdbpy_initialize_continue_event () < 0 | |
162078c8 NB |
1657 | || gdbpy_initialize_inferior_call_pre_event () < 0 |
1658 | || gdbpy_initialize_inferior_call_post_event () < 0 | |
1659 | || gdbpy_initialize_register_changed_event () < 0 | |
1660 | || gdbpy_initialize_memory_changed_event () < 0 | |
999633ed TT |
1661 | || gdbpy_initialize_exited_event () < 0 |
1662 | || gdbpy_initialize_thread_event () < 0 | |
1663 | || gdbpy_initialize_new_objfile_event () < 0 | |
4ffbba72 | 1664 | || gdbpy_initialize_clear_objfiles_event () < 0 |
883964a7 | 1665 | || gdbpy_initialize_arch () < 0 |
d11916aa SS |
1666 | || gdbpy_initialize_xmethods () < 0 |
1667 | || gdbpy_initialize_unwind () < 0) | |
2bb8f231 | 1668 | return false; |
505500db | 1669 | |
a6bac58e | 1670 | gdbpy_to_string_cst = PyString_FromString ("to_string"); |
999633ed | 1671 | if (gdbpy_to_string_cst == NULL) |
2bb8f231 | 1672 | return false; |
a6bac58e | 1673 | gdbpy_children_cst = PyString_FromString ("children"); |
999633ed | 1674 | if (gdbpy_children_cst == NULL) |
2bb8f231 | 1675 | return false; |
a6bac58e | 1676 | gdbpy_display_hint_cst = PyString_FromString ("display_hint"); |
999633ed | 1677 | if (gdbpy_display_hint_cst == NULL) |
2bb8f231 | 1678 | return false; |
d8906c6f | 1679 | gdbpy_doc_cst = PyString_FromString ("__doc__"); |
999633ed | 1680 | if (gdbpy_doc_cst == NULL) |
2bb8f231 | 1681 | return false; |
967cf477 | 1682 | gdbpy_enabled_cst = PyString_FromString ("enabled"); |
999633ed | 1683 | if (gdbpy_enabled_cst == NULL) |
2bb8f231 | 1684 | return false; |
fb6a3ed3 | 1685 | gdbpy_value_cst = PyString_FromString ("value"); |
999633ed | 1686 | if (gdbpy_value_cst == NULL) |
2bb8f231 | 1687 | return false; |
d8906c6f | 1688 | |
9dea9163 DE |
1689 | /* Release the GIL while gdb runs. */ |
1690 | PyThreadState_Swap (NULL); | |
1691 | PyEval_ReleaseLock (); | |
1692 | ||
d7de8e3c | 1693 | make_final_cleanup (finalize_python, NULL); |
999633ed | 1694 | |
2bb8f231 | 1695 | /* Only set this when initialization has succeeded. */ |
999633ed | 1696 | gdb_python_initialized = 1; |
2bb8f231 TT |
1697 | return true; |
1698 | } | |
999633ed | 1699 | |
2bb8f231 | 1700 | #endif /* HAVE_PYTHON */ |
999633ed | 1701 | |
2bb8f231 TT |
1702 | void |
1703 | _initialize_python (void) | |
1704 | { | |
1705 | add_com ("python-interactive", class_obscure, | |
1706 | python_interactive_command, | |
1707 | #ifdef HAVE_PYTHON | |
1708 | _("\ | |
1709 | Start an interactive Python prompt.\n\ | |
1710 | \n\ | |
1711 | To return to GDB, type the EOF character (e.g., Ctrl-D on an empty\n\ | |
1712 | prompt).\n\ | |
1713 | \n\ | |
1714 | Alternatively, a single-line Python command can be given as an\n\ | |
1715 | argument, and if the command is an expression, the result will be\n\ | |
1716 | printed. For example:\n\ | |
1717 | \n\ | |
1718 | (gdb) python-interactive 2 + 3\n\ | |
1719 | 5\n\ | |
1720 | ") | |
1721 | #else /* HAVE_PYTHON */ | |
1722 | _("\ | |
1723 | Start a Python interactive prompt.\n\ | |
1724 | \n\ | |
1725 | Python scripting is not supported in this copy of GDB.\n\ | |
1726 | This command is only a placeholder.") | |
1727 | #endif /* HAVE_PYTHON */ | |
1728 | ); | |
1729 | add_com_alias ("pi", "python-interactive", class_obscure, 1); | |
1730 | ||
1731 | add_com ("python", class_obscure, python_command, | |
1732 | #ifdef HAVE_PYTHON | |
1733 | _("\ | |
1734 | Evaluate a Python command.\n\ | |
1735 | \n\ | |
1736 | The command can be given as an argument, for instance:\n\ | |
1737 | \n\ | |
1738 | python print 23\n\ | |
1739 | \n\ | |
1740 | If no argument is given, the following lines are read and used\n\ | |
1741 | as the Python commands. Type a line containing \"end\" to indicate\n\ | |
1742 | the end of the command.") | |
1743 | #else /* HAVE_PYTHON */ | |
1744 | _("\ | |
1745 | Evaluate a Python command.\n\ | |
1746 | \n\ | |
1747 | Python scripting is not supported in this copy of GDB.\n\ | |
1748 | This command is only a placeholder.") | |
1749 | #endif /* HAVE_PYTHON */ | |
1750 | ); | |
1751 | add_com_alias ("py", "python", class_obscure, 1); | |
1752 | ||
1753 | /* Add set/show python print-stack. */ | |
1754 | add_prefix_cmd ("python", no_class, user_show_python, | |
1755 | _("Prefix command for python preference settings."), | |
1756 | &user_show_python_list, "show python ", 0, | |
1757 | &showlist); | |
1758 | ||
1759 | add_prefix_cmd ("python", no_class, user_set_python, | |
1760 | _("Prefix command for python preference settings."), | |
1761 | &user_set_python_list, "set python ", 0, | |
1762 | &setlist); | |
1763 | ||
1764 | add_setshow_enum_cmd ("print-stack", no_class, python_excp_enums, | |
1765 | &gdbpy_should_print_stack, _("\ | |
1766 | Set mode for Python stack dump on error."), _("\ | |
1767 | Show the mode of Python stack printing on error."), _("\ | |
1768 | none == no stack or message will be printed.\n\ | |
1769 | full == a message and a stack will be printed.\n\ | |
1770 | message == an error message without a stack will be printed."), | |
1771 | NULL, NULL, | |
1772 | &user_set_python_list, | |
1773 | &user_show_python_list); | |
1774 | ||
1775 | #ifdef HAVE_PYTHON | |
1776 | if (!do_start_initialization () && PyErr_Occurred ()) | |
1777 | gdbpy_print_stack (); | |
9dea9163 DE |
1778 | #endif /* HAVE_PYTHON */ |
1779 | } | |
1780 | ||
1781 | #ifdef HAVE_PYTHON | |
1782 | ||
a7785f8c TT |
1783 | /* Helper function for gdbpy_finish_initialization. This does the |
1784 | work and then returns false if an error has occurred and must be | |
1785 | displayed, or true on success. */ | |
9dea9163 | 1786 | |
a7785f8c TT |
1787 | static bool |
1788 | do_finish_initialization (const struct extension_language_defn *extlang) | |
9dea9163 | 1789 | { |
b9516fa1 | 1790 | PyObject *m; |
b9516fa1 | 1791 | PyObject *sys_path; |
f17618ea | 1792 | |
b9516fa1 YPK |
1793 | /* Add the initial data-directory to sys.path. */ |
1794 | ||
a7785f8c TT |
1795 | std::string gdb_pythondir = (std::string (gdb_datadir) + SLASH_STRING |
1796 | + "python"); | |
b9516fa1 YPK |
1797 | |
1798 | sys_path = PySys_GetObject ("path"); | |
ca30a762 | 1799 | |
9a27f2c6 PK |
1800 | /* If sys.path is not defined yet, define it first. */ |
1801 | if (!(sys_path && PyList_Check (sys_path))) | |
1802 | { | |
1803 | #ifdef IS_PY3K | |
1804 | PySys_SetPath (L""); | |
1805 | #else | |
1806 | PySys_SetPath (""); | |
1807 | #endif | |
1808 | sys_path = PySys_GetObject ("path"); | |
1809 | } | |
256458bc | 1810 | if (sys_path && PyList_Check (sys_path)) |
b9516fa1 | 1811 | { |
7780f186 | 1812 | gdbpy_ref<> pythondir (PyString_FromString (gdb_pythondir.c_str ())); |
a7785f8c TT |
1813 | if (pythondir == NULL || PyList_Insert (sys_path, 0, pythondir.get ())) |
1814 | return false; | |
b9516fa1 YPK |
1815 | } |
1816 | else | |
a7785f8c | 1817 | return false; |
b9516fa1 YPK |
1818 | |
1819 | /* Import the gdb module to finish the initialization, and | |
1820 | add it to __main__ for convenience. */ | |
1821 | m = PyImport_AddModule ("__main__"); | |
1822 | if (m == NULL) | |
a7785f8c | 1823 | return false; |
b9516fa1 | 1824 | |
a7785f8c TT |
1825 | /* Keep the reference to gdb_python_module since it is in a global |
1826 | variable. */ | |
b9516fa1 YPK |
1827 | gdb_python_module = PyImport_ImportModule ("gdb"); |
1828 | if (gdb_python_module == NULL) | |
1829 | { | |
1830 | gdbpy_print_stack (); | |
41245087 DE |
1831 | /* This is passed in one call to warning so that blank lines aren't |
1832 | inserted between each line of text. */ | |
1833 | warning (_("\n" | |
1834 | "Could not load the Python gdb module from `%s'.\n" | |
1835 | "Limited Python support is available from the _gdb module.\n" | |
1836 | "Suggest passing --data-directory=/path/to/gdb/data-directory.\n"), | |
a7785f8c TT |
1837 | gdb_pythondir.c_str ()); |
1838 | /* We return "success" here as we've already emitted the | |
1839 | warning. */ | |
1840 | return true; | |
b9516fa1 YPK |
1841 | } |
1842 | ||
a7785f8c TT |
1843 | return gdb_pymodule_addobject (m, "gdb", gdb_python_module) >= 0; |
1844 | } | |
b9516fa1 | 1845 | |
a7785f8c TT |
1846 | /* Perform the remaining python initializations. |
1847 | These must be done after GDB is at least mostly initialized. | |
1848 | E.g., The "info pretty-printer" command needs the "info" prefix | |
1849 | command installed. | |
1850 | This is the extension_language_ops.finish_initialization "method". */ | |
b9516fa1 | 1851 | |
a7785f8c TT |
1852 | static void |
1853 | gdbpy_finish_initialization (const struct extension_language_defn *extlang) | |
1854 | { | |
1855 | gdbpy_enter enter_py (get_current_arch (), current_language); | |
b9516fa1 | 1856 | |
a7785f8c TT |
1857 | if (!do_finish_initialization (extlang)) |
1858 | { | |
1859 | gdbpy_print_stack (); | |
1860 | warning (_("internal error: Unhandled Python exception")); | |
1861 | } | |
9dea9163 | 1862 | } |
ca30a762 | 1863 | |
6dddc817 DE |
1864 | /* Return non-zero if Python has successfully initialized. |
1865 | This is the extension_languages_ops.initialized "method". */ | |
1866 | ||
1867 | static int | |
1868 | gdbpy_initialized (const struct extension_language_defn *extlang) | |
1869 | { | |
1870 | return gdb_python_initialized; | |
1871 | } | |
1872 | ||
d57a3c85 | 1873 | #endif /* HAVE_PYTHON */ |
12453b93 TJB |
1874 | |
1875 | \f | |
1876 | ||
9dea9163 | 1877 | #ifdef HAVE_PYTHON |
12453b93 | 1878 | |
bcabf420 | 1879 | PyMethodDef python_GdbMethods[] = |
12453b93 TJB |
1880 | { |
1881 | { "history", gdbpy_history, METH_VARARGS, | |
1882 | "Get a value from history" }, | |
bc9f0842 | 1883 | { "execute", (PyCFunction) execute_gdb_command, METH_VARARGS | METH_KEYWORDS, |
751e7549 PM |
1884 | "execute (command [, from_tty] [, to_string]) -> [String]\n\ |
1885 | Evaluate command, a string, as a gdb CLI command. Optionally returns\n\ | |
1886 | a Python String containing the output of the command if to_string is\n\ | |
1887 | set to True." }, | |
8f500870 | 1888 | { "parameter", gdbpy_parameter, METH_VARARGS, |
12453b93 TJB |
1889 | "Return a gdb parameter's value" }, |
1890 | ||
adc36818 PM |
1891 | { "breakpoints", gdbpy_breakpoints, METH_NOARGS, |
1892 | "Return a tuple of all breakpoint objects" }, | |
1893 | ||
b6313243 TT |
1894 | { "default_visualizer", gdbpy_default_visualizer, METH_VARARGS, |
1895 | "Find the default visualizer for a Value." }, | |
1896 | ||
fa33c3cd DE |
1897 | { "current_progspace", gdbpy_get_current_progspace, METH_NOARGS, |
1898 | "Return the current Progspace." }, | |
1899 | { "progspaces", gdbpy_progspaces, METH_NOARGS, | |
1900 | "Return a sequence of all progspaces." }, | |
1901 | ||
89c73ade TT |
1902 | { "current_objfile", gdbpy_get_current_objfile, METH_NOARGS, |
1903 | "Return the current Objfile being loaded, or None." }, | |
1904 | { "objfiles", gdbpy_objfiles, METH_NOARGS, | |
1905 | "Return a sequence of all loaded objfiles." }, | |
1906 | ||
d8e22779 TT |
1907 | { "newest_frame", gdbpy_newest_frame, METH_NOARGS, |
1908 | "newest_frame () -> gdb.Frame.\n\ | |
1909 | Return the newest frame object." }, | |
f8f6f20b TJB |
1910 | { "selected_frame", gdbpy_selected_frame, METH_NOARGS, |
1911 | "selected_frame () -> gdb.Frame.\n\ | |
1912 | Return the selected frame object." }, | |
1913 | { "frame_stop_reason_string", gdbpy_frame_stop_reason_string, METH_VARARGS, | |
1914 | "stop_reason_string (Integer) -> String.\n\ | |
1915 | Return a string explaining unwind stop reason." }, | |
1916 | ||
4726b2d8 TW |
1917 | { "start_recording", gdbpy_start_recording, METH_VARARGS, |
1918 | "start_recording ([method] [, format]) -> gdb.Record.\n\ | |
1919 | Start recording with the given method. If no method is given, will fall back\n\ | |
1920 | to the system default method. If no format is given, will fall back to the\n\ | |
1921 | default format for the given method."}, | |
1922 | { "current_recording", gdbpy_current_recording, METH_NOARGS, | |
1923 | "current_recording () -> gdb.Record.\n\ | |
1924 | Return current recording object." }, | |
1925 | { "stop_recording", gdbpy_stop_recording, METH_NOARGS, | |
1926 | "stop_recording () -> None.\n\ | |
1927 | Stop current recording." }, | |
1928 | ||
2c74e833 TT |
1929 | { "lookup_type", (PyCFunction) gdbpy_lookup_type, |
1930 | METH_VARARGS | METH_KEYWORDS, | |
1931 | "lookup_type (name [, block]) -> type\n\ | |
1932 | Return a Type corresponding to the given name." }, | |
f3e9a817 PM |
1933 | { "lookup_symbol", (PyCFunction) gdbpy_lookup_symbol, |
1934 | METH_VARARGS | METH_KEYWORDS, | |
1935 | "lookup_symbol (name [, block] [, domain]) -> (symbol, is_field_of_this)\n\ | |
1936 | Return a tuple with the symbol corresponding to the given name (or None) and\n\ | |
1937 | a boolean indicating if name is a field of the current implied argument\n\ | |
1938 | `this' (when the current language is object-oriented)." }, | |
6e6fbe60 DE |
1939 | { "lookup_global_symbol", (PyCFunction) gdbpy_lookup_global_symbol, |
1940 | METH_VARARGS | METH_KEYWORDS, | |
1941 | "lookup_global_symbol (name [, domain]) -> symbol\n\ | |
1942 | Return the symbol corresponding to the given name (or None)." }, | |
6dddd6a5 DE |
1943 | |
1944 | { "lookup_objfile", (PyCFunction) gdbpy_lookup_objfile, | |
1945 | METH_VARARGS | METH_KEYWORDS, | |
1946 | "lookup_objfile (name, [by_build_id]) -> objfile\n\ | |
1947 | Look up the specified objfile.\n\ | |
1948 | If by_build_id is True, the objfile is looked up by using name\n\ | |
1949 | as its build id." }, | |
1950 | ||
f3e9a817 PM |
1951 | { "block_for_pc", gdbpy_block_for_pc, METH_VARARGS, |
1952 | "Return the block containing the given pc value, or None." }, | |
cb2e07a6 PM |
1953 | { "solib_name", gdbpy_solib_name, METH_VARARGS, |
1954 | "solib_name (Long) -> String.\n\ | |
1955 | Return the name of the shared library holding a given address, or None." }, | |
1956 | { "decode_line", gdbpy_decode_line, METH_VARARGS, | |
1957 | "decode_line (String) -> Tuple. Decode a string argument the way\n\ | |
1958 | that 'break' or 'edit' does. Return a tuple containing two elements.\n\ | |
1959 | The first element contains any unparsed portion of the String parameter\n\ | |
1960 | (or None if the string was fully parsed). The second element contains\n\ | |
1961 | a tuple that contains all the locations that match, represented as\n\ | |
1962 | gdb.Symtab_and_line objects (or None)."}, | |
57a1d736 TT |
1963 | { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS, |
1964 | "parse_and_eval (String) -> Value.\n\ | |
1965 | Parse String as an expression, evaluate it, and return the result as a Value." | |
1966 | }, | |
7efc75aa SCR |
1967 | { "find_pc_line", gdbpy_find_pc_line, METH_VARARGS, |
1968 | "find_pc_line (pc) -> Symtab_and_line.\n\ | |
1969 | Return the gdb.Symtab_and_line object corresponding to the pc value." }, | |
57a1d736 | 1970 | |
ca5c20b6 PM |
1971 | { "post_event", gdbpy_post_event, METH_VARARGS, |
1972 | "Post an event into gdb's event loop." }, | |
1973 | ||
f870a310 TT |
1974 | { "target_charset", gdbpy_target_charset, METH_NOARGS, |
1975 | "target_charset () -> string.\n\ | |
1976 | Return the name of the current target charset." }, | |
1977 | { "target_wide_charset", gdbpy_target_wide_charset, METH_NOARGS, | |
1978 | "target_wide_charset () -> string.\n\ | |
1979 | Return the name of the current target wide charset." }, | |
1980 | ||
07ca107c DE |
1981 | { "string_to_argv", gdbpy_string_to_argv, METH_VARARGS, |
1982 | "string_to_argv (String) -> Array.\n\ | |
1983 | Parse String and return an argv-like array.\n\ | |
1984 | Arguments are separate by spaces and may be quoted." | |
1985 | }, | |
99c3dc11 | 1986 | { "write", (PyCFunction)gdbpy_write, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 1987 | "Write a string using gdb's filtered stream." }, |
99c3dc11 | 1988 | { "flush", (PyCFunction)gdbpy_flush, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 1989 | "Flush gdb's filtered stdout stream." }, |
595939de PM |
1990 | { "selected_thread", gdbpy_selected_thread, METH_NOARGS, |
1991 | "selected_thread () -> gdb.InferiorThread.\n\ | |
1992 | Return the selected thread object." }, | |
2aa48337 KP |
1993 | { "selected_inferior", gdbpy_selected_inferior, METH_NOARGS, |
1994 | "selected_inferior () -> gdb.Inferior.\n\ | |
1995 | Return the selected inferior object." }, | |
595939de PM |
1996 | { "inferiors", gdbpy_inferiors, METH_NOARGS, |
1997 | "inferiors () -> (gdb.Inferior, ...).\n\ | |
1998 | Return a tuple containing all inferiors." }, | |
e0f3fd7c TT |
1999 | |
2000 | { "invalidate_cached_frames", gdbpy_invalidate_cached_frames, METH_NOARGS, | |
2001 | "invalidate_cached_frames () -> None.\n\ | |
2002 | Invalidate any cached frame objects in gdb.\n\ | |
2003 | Intended for internal use only." }, | |
2004 | ||
12453b93 TJB |
2005 | {NULL, NULL, 0, NULL} |
2006 | }; | |
2007 | ||
9a27f2c6 | 2008 | #ifdef IS_PY3K |
bcabf420 | 2009 | struct PyModuleDef python_GdbModuleDef = |
9a27f2c6 PK |
2010 | { |
2011 | PyModuleDef_HEAD_INIT, | |
2012 | "_gdb", | |
2013 | NULL, | |
256458bc | 2014 | -1, |
02e62830 | 2015 | python_GdbMethods, |
9a27f2c6 PK |
2016 | NULL, |
2017 | NULL, | |
2018 | NULL, | |
2019 | NULL | |
2020 | }; | |
2021 | #endif | |
12453b93 | 2022 | #endif /* HAVE_PYTHON */ |