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d57a3c85 TJB |
1 | /* General python/gdb code |
2 | ||
42a4f53d | 3 | Copyright (C) 2008-2019 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" | |
d57a3c85 | 93 | #include "python-internal.h" |
cb2e07a6 PM |
94 | #include "linespec.h" |
95 | #include "source.h" | |
268a13a5 | 96 | #include "gdbsupport/version.h" |
d57a3c85 TJB |
97 | #include "target.h" |
98 | #include "gdbthread.h" | |
b4a14fd0 | 99 | #include "interps.h" |
9a27f2c6 | 100 | #include "event-top.h" |
3f77c769 | 101 | #include "py-event.h" |
d57a3c85 | 102 | |
999633ed TT |
103 | /* True if Python has been successfully initialized, false |
104 | otherwise. */ | |
105 | ||
106 | int gdb_python_initialized; | |
107 | ||
bcabf420 | 108 | extern PyMethodDef python_GdbMethods[]; |
d57a3c85 | 109 | |
9a27f2c6 | 110 | #ifdef IS_PY3K |
bcabf420 | 111 | extern struct PyModuleDef python_GdbModuleDef; |
9a27f2c6 PK |
112 | #endif |
113 | ||
d57a3c85 | 114 | PyObject *gdb_module; |
b9516fa1 | 115 | PyObject *gdb_python_module; |
d57a3c85 | 116 | |
a6bac58e TT |
117 | /* Some string constants we may wish to use. */ |
118 | PyObject *gdbpy_to_string_cst; | |
119 | PyObject *gdbpy_children_cst; | |
120 | PyObject *gdbpy_display_hint_cst; | |
d8906c6f | 121 | PyObject *gdbpy_doc_cst; |
967cf477 | 122 | PyObject *gdbpy_enabled_cst; |
fb6a3ed3 | 123 | PyObject *gdbpy_value_cst; |
d8906c6f | 124 | |
07ca107c DE |
125 | /* The GdbError exception. */ |
126 | PyObject *gdbpy_gdberror_exc; | |
d452c4bc | 127 | |
621c8364 TT |
128 | /* The `gdb.error' base class. */ |
129 | PyObject *gdbpy_gdb_error; | |
130 | ||
131 | /* The `gdb.MemoryError' exception. */ | |
132 | PyObject *gdbpy_gdb_memory_error; | |
133 | ||
6dddc817 DE |
134 | static script_sourcer_func gdbpy_source_script; |
135 | static objfile_script_sourcer_func gdbpy_source_objfile_script; | |
9f050062 | 136 | static objfile_script_executor_func gdbpy_execute_objfile_script; |
6dddc817 DE |
137 | static void gdbpy_finish_initialization |
138 | (const struct extension_language_defn *); | |
139 | static int gdbpy_initialized (const struct extension_language_defn *); | |
140 | static void gdbpy_eval_from_control_command | |
141 | (const struct extension_language_defn *, struct command_line *cmd); | |
142 | static void gdbpy_start_type_printers (const struct extension_language_defn *, | |
143 | struct ext_lang_type_printers *); | |
144 | static enum ext_lang_rc gdbpy_apply_type_printers | |
145 | (const struct extension_language_defn *, | |
146 | const struct ext_lang_type_printers *, struct type *, char **); | |
147 | static void gdbpy_free_type_printers (const struct extension_language_defn *, | |
148 | struct ext_lang_type_printers *); | |
6dddc817 DE |
149 | static void gdbpy_set_quit_flag (const struct extension_language_defn *); |
150 | static int gdbpy_check_quit_flag (const struct extension_language_defn *); | |
151 | static enum ext_lang_rc gdbpy_before_prompt_hook | |
152 | (const struct extension_language_defn *, const char *current_gdb_prompt); | |
153 | ||
154 | /* The interface between gdb proper and loading of python scripts. */ | |
155 | ||
e36122e9 | 156 | const struct extension_language_script_ops python_extension_script_ops = |
6dddc817 DE |
157 | { |
158 | gdbpy_source_script, | |
159 | gdbpy_source_objfile_script, | |
9f050062 | 160 | gdbpy_execute_objfile_script, |
6dddc817 DE |
161 | gdbpy_auto_load_enabled |
162 | }; | |
163 | ||
164 | /* The interface between gdb proper and python extensions. */ | |
165 | ||
e36122e9 | 166 | const struct extension_language_ops python_extension_ops = |
6dddc817 DE |
167 | { |
168 | gdbpy_finish_initialization, | |
169 | gdbpy_initialized, | |
170 | ||
171 | gdbpy_eval_from_control_command, | |
172 | ||
173 | gdbpy_start_type_printers, | |
174 | gdbpy_apply_type_printers, | |
175 | gdbpy_free_type_printers, | |
176 | ||
177 | gdbpy_apply_val_pretty_printer, | |
178 | ||
179 | gdbpy_apply_frame_filter, | |
180 | ||
181 | gdbpy_preserve_values, | |
182 | ||
183 | gdbpy_breakpoint_has_cond, | |
184 | gdbpy_breakpoint_cond_says_stop, | |
185 | ||
6dddc817 DE |
186 | gdbpy_set_quit_flag, |
187 | gdbpy_check_quit_flag, | |
188 | ||
883964a7 SC |
189 | gdbpy_before_prompt_hook, |
190 | ||
883964a7 | 191 | gdbpy_get_matching_xmethod_workers, |
6dddc817 DE |
192 | }; |
193 | ||
d452c4bc UW |
194 | /* Architecture and language to be used in callbacks from |
195 | the Python interpreter. */ | |
196 | struct gdbarch *python_gdbarch; | |
197 | const struct language_defn *python_language; | |
198 | ||
4ecee2c4 TT |
199 | gdbpy_enter::gdbpy_enter (struct gdbarch *gdbarch, |
200 | const struct language_defn *language) | |
201 | : m_gdbarch (python_gdbarch), | |
202 | m_language (python_language) | |
d452c4bc | 203 | { |
4ecee2c4 TT |
204 | /* We should not ever enter Python unless initialized. */ |
205 | if (!gdb_python_initialized) | |
206 | error (_("Python not initialized")); | |
d452c4bc | 207 | |
4ecee2c4 | 208 | m_previous_active = set_active_ext_lang (&extension_language_python); |
d59b6f6c | 209 | |
4ecee2c4 TT |
210 | m_state = PyGILState_Ensure (); |
211 | ||
212 | python_gdbarch = gdbarch; | |
213 | python_language = language; | |
214 | ||
215 | /* Save it and ensure ! PyErr_Occurred () afterwards. */ | |
5c329e6a | 216 | m_error.emplace (); |
4ecee2c4 TT |
217 | } |
218 | ||
219 | gdbpy_enter::~gdbpy_enter () | |
220 | { | |
8dc78533 JK |
221 | /* Leftover Python error is forbidden by Python Exception Handling. */ |
222 | if (PyErr_Occurred ()) | |
223 | { | |
224 | /* This order is similar to the one calling error afterwards. */ | |
225 | gdbpy_print_stack (); | |
226 | warning (_("internal error: Unhandled Python exception")); | |
227 | } | |
228 | ||
5c329e6a | 229 | m_error->restore (); |
8dc78533 | 230 | |
4ecee2c4 TT |
231 | PyGILState_Release (m_state); |
232 | python_gdbarch = m_gdbarch; | |
233 | python_language = m_language; | |
6dddc817 | 234 | |
4ecee2c4 TT |
235 | restore_active_ext_lang (m_previous_active); |
236 | } | |
237 | ||
522002f9 TT |
238 | /* Set the quit flag. */ |
239 | ||
6dddc817 DE |
240 | static void |
241 | gdbpy_set_quit_flag (const struct extension_language_defn *extlang) | |
522002f9 TT |
242 | { |
243 | PyErr_SetInterrupt (); | |
244 | } | |
245 | ||
246 | /* Return true if the quit flag has been set, false otherwise. */ | |
247 | ||
6dddc817 DE |
248 | static int |
249 | gdbpy_check_quit_flag (const struct extension_language_defn *extlang) | |
522002f9 TT |
250 | { |
251 | return PyOS_InterruptOccurred (); | |
252 | } | |
253 | ||
8315665e YPK |
254 | /* Evaluate a Python command like PyRun_SimpleString, but uses |
255 | Py_single_input which prints the result of expressions, and does | |
256 | not automatically print the stack on errors. */ | |
257 | ||
258 | static int | |
259 | eval_python_command (const char *command) | |
260 | { | |
59876f8f | 261 | PyObject *m, *d; |
8315665e YPK |
262 | |
263 | m = PyImport_AddModule ("__main__"); | |
264 | if (m == NULL) | |
265 | return -1; | |
266 | ||
267 | d = PyModule_GetDict (m); | |
268 | if (d == NULL) | |
269 | return -1; | |
7780f186 | 270 | gdbpy_ref<> v (PyRun_StringFlags (command, Py_single_input, d, d, NULL)); |
8315665e YPK |
271 | if (v == NULL) |
272 | return -1; | |
273 | ||
9a27f2c6 | 274 | #ifndef IS_PY3K |
8315665e YPK |
275 | if (Py_FlushLine ()) |
276 | PyErr_Clear (); | |
9a27f2c6 | 277 | #endif |
8315665e YPK |
278 | |
279 | return 0; | |
280 | } | |
281 | ||
282 | /* Implementation of the gdb "python-interactive" command. */ | |
283 | ||
284 | static void | |
0b39b52e | 285 | python_interactive_command (const char *arg, int from_tty) |
8315665e | 286 | { |
f38d3ad1 | 287 | struct ui *ui = current_ui; |
8315665e YPK |
288 | int err; |
289 | ||
b7b633e9 | 290 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); |
8315665e | 291 | |
529480d0 | 292 | arg = skip_spaces (arg); |
8315665e | 293 | |
396a78b6 | 294 | gdbpy_enter enter_py (get_current_arch (), current_language); |
8315665e YPK |
295 | |
296 | if (arg && *arg) | |
297 | { | |
075c55e0 TT |
298 | std::string script = std::string (arg) + "\n"; |
299 | err = eval_python_command (script.c_str ()); | |
8315665e YPK |
300 | } |
301 | else | |
302 | { | |
f38d3ad1 | 303 | err = PyRun_InteractiveLoop (ui->instream, "<stdin>"); |
8315665e YPK |
304 | dont_repeat (); |
305 | } | |
306 | ||
307 | if (err) | |
308 | { | |
309 | gdbpy_print_stack (); | |
310 | error (_("Error while executing Python code.")); | |
311 | } | |
8315665e YPK |
312 | } |
313 | ||
4c63965b JK |
314 | /* A wrapper around PyRun_SimpleFile. FILE is the Python script to run |
315 | named FILENAME. | |
316 | ||
317 | On Windows hosts few users would build Python themselves (this is no | |
318 | trivial task on this platform), and thus use binaries built by | |
319 | someone else instead. There may happen situation where the Python | |
320 | library and GDB are using two different versions of the C runtime | |
321 | library. Python, being built with VC, would use one version of the | |
322 | msvcr DLL (Eg. msvcr100.dll), while MinGW uses msvcrt.dll. | |
323 | A FILE * from one runtime does not necessarily operate correctly in | |
7ed7d719 JB |
324 | the other runtime. |
325 | ||
4c63965b JK |
326 | To work around this potential issue, we create on Windows hosts the |
327 | FILE object using Python routines, thus making sure that it is | |
328 | compatible with the Python library. */ | |
7ed7d719 JB |
329 | |
330 | static void | |
4c63965b | 331 | python_run_simple_file (FILE *file, const char *filename) |
7ed7d719 | 332 | { |
4c63965b JK |
333 | #ifndef _WIN32 |
334 | ||
335 | PyRun_SimpleFile (file, filename); | |
336 | ||
337 | #else /* _WIN32 */ | |
338 | ||
3ab1ec27 PM |
339 | /* Because we have a string for a filename, and are using Python to |
340 | open the file, we need to expand any tilde in the path first. */ | |
9de10f6d | 341 | gdb::unique_xmalloc_ptr<char> full_path (tilde_expand (filename)); |
0dedf377 | 342 | gdbpy_ref<> python_file (PyFile_FromString (full_path.get (), (char *) "r")); |
9de10f6d | 343 | if (python_file == NULL) |
3ab1ec27 | 344 | { |
3ab1ec27 | 345 | gdbpy_print_stack (); |
9de10f6d | 346 | error (_("Error while opening file: %s"), full_path.get ()); |
3ab1ec27 | 347 | } |
256458bc | 348 | |
9de10f6d | 349 | PyRun_SimpleFile (PyFile_AsFile (python_file.get ()), filename); |
4c63965b JK |
350 | |
351 | #endif /* _WIN32 */ | |
7ed7d719 | 352 | } |
d452c4bc | 353 | |
d57a3c85 | 354 | /* Given a command_line, return a command string suitable for passing |
7f968c89 | 355 | to Python. Lines in the string are separated by newlines. */ |
d57a3c85 | 356 | |
7f968c89 | 357 | static std::string |
d57a3c85 TJB |
358 | compute_python_string (struct command_line *l) |
359 | { | |
360 | struct command_line *iter; | |
7f968c89 | 361 | std::string script; |
d57a3c85 | 362 | |
d57a3c85 TJB |
363 | for (iter = l; iter; iter = iter->next) |
364 | { | |
7f968c89 TT |
365 | script += iter->line; |
366 | script += '\n'; | |
d57a3c85 | 367 | } |
d57a3c85 TJB |
368 | return script; |
369 | } | |
370 | ||
371 | /* Take a command line structure representing a 'python' command, and | |
372 | evaluate its body using the Python interpreter. */ | |
373 | ||
6dddc817 DE |
374 | static void |
375 | gdbpy_eval_from_control_command (const struct extension_language_defn *extlang, | |
376 | struct command_line *cmd) | |
d57a3c85 | 377 | { |
12453b93 | 378 | int ret; |
d57a3c85 | 379 | |
12973681 | 380 | if (cmd->body_list_1 != nullptr) |
d57a3c85 TJB |
381 | error (_("Invalid \"python\" block structure.")); |
382 | ||
60e600ec | 383 | gdbpy_enter enter_py (get_current_arch (), current_language); |
ca30a762 | 384 | |
12973681 | 385 | std::string script = compute_python_string (cmd->body_list_0.get ()); |
7f968c89 | 386 | ret = PyRun_SimpleString (script.c_str ()); |
12453b93 | 387 | if (ret) |
80b6e756 | 388 | error (_("Error while executing Python code.")); |
d57a3c85 TJB |
389 | } |
390 | ||
391 | /* Implementation of the gdb "python" command. */ | |
392 | ||
393 | static void | |
0b39b52e | 394 | python_command (const char *arg, int from_tty) |
d57a3c85 | 395 | { |
a7785f8c | 396 | gdbpy_enter enter_py (get_current_arch (), current_language); |
b4a14fd0 | 397 | |
b7b633e9 | 398 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); |
b4a14fd0 | 399 | |
529480d0 | 400 | arg = skip_spaces (arg); |
d57a3c85 TJB |
401 | if (arg && *arg) |
402 | { | |
12453b93 | 403 | if (PyRun_SimpleString (arg)) |
80b6e756 | 404 | error (_("Error while executing Python code.")); |
d57a3c85 TJB |
405 | } |
406 | else | |
407 | { | |
12973681 | 408 | counted_command_line l = get_command_line (python_control, ""); |
d59b6f6c | 409 | |
93921405 | 410 | execute_control_command_untraced (l.get ()); |
d57a3c85 TJB |
411 | } |
412 | } | |
413 | ||
414 | \f | |
415 | ||
416 | /* Transform a gdb parameters's value into a Python value. May return | |
417 | NULL (and set a Python exception) on error. Helper function for | |
418 | get_parameter. */ | |
d7b32ed3 PM |
419 | PyObject * |
420 | gdbpy_parameter_value (enum var_types type, void *var) | |
d57a3c85 | 421 | { |
d7b32ed3 | 422 | switch (type) |
d57a3c85 TJB |
423 | { |
424 | case var_string: | |
425 | case var_string_noescape: | |
426 | case var_optional_filename: | |
427 | case var_filename: | |
428 | case var_enum: | |
429 | { | |
a121b7c1 | 430 | const char *str = *(char **) var; |
d59b6f6c | 431 | |
d57a3c85 TJB |
432 | if (! str) |
433 | str = ""; | |
833d985d | 434 | return host_string_to_python_string (str).release (); |
d57a3c85 TJB |
435 | } |
436 | ||
437 | case var_boolean: | |
438 | { | |
d7b32ed3 | 439 | if (* (int *) var) |
d57a3c85 TJB |
440 | Py_RETURN_TRUE; |
441 | else | |
442 | Py_RETURN_FALSE; | |
443 | } | |
444 | ||
445 | case var_auto_boolean: | |
446 | { | |
d7b32ed3 | 447 | enum auto_boolean ab = * (enum auto_boolean *) var; |
d59b6f6c | 448 | |
d57a3c85 TJB |
449 | if (ab == AUTO_BOOLEAN_TRUE) |
450 | Py_RETURN_TRUE; | |
451 | else if (ab == AUTO_BOOLEAN_FALSE) | |
452 | Py_RETURN_FALSE; | |
453 | else | |
454 | Py_RETURN_NONE; | |
455 | } | |
456 | ||
457 | case var_integer: | |
d7b32ed3 | 458 | if ((* (int *) var) == INT_MAX) |
d57a3c85 TJB |
459 | Py_RETURN_NONE; |
460 | /* Fall through. */ | |
461 | case var_zinteger: | |
0489430a | 462 | case var_zuinteger_unlimited: |
d7b32ed3 | 463 | return PyLong_FromLong (* (int *) var); |
d57a3c85 TJB |
464 | |
465 | case var_uinteger: | |
466 | { | |
d7b32ed3 | 467 | unsigned int val = * (unsigned int *) var; |
d59b6f6c | 468 | |
d57a3c85 TJB |
469 | if (val == UINT_MAX) |
470 | Py_RETURN_NONE; | |
471 | return PyLong_FromUnsignedLong (val); | |
0489430a TT |
472 | } |
473 | ||
474 | case var_zuinteger: | |
475 | { | |
476 | unsigned int val = * (unsigned int *) var; | |
477 | return PyLong_FromUnsignedLong (val); | |
d57a3c85 TJB |
478 | } |
479 | } | |
480 | ||
256458bc | 481 | return PyErr_Format (PyExc_RuntimeError, |
044c0f87 | 482 | _("Programmer error: unhandled type.")); |
d57a3c85 TJB |
483 | } |
484 | ||
485 | /* A Python function which returns a gdb parameter's value as a Python | |
486 | value. */ | |
487 | ||
0c72ed4c | 488 | static PyObject * |
8f500870 | 489 | gdbpy_parameter (PyObject *self, PyObject *args) |
d57a3c85 TJB |
490 | { |
491 | struct cmd_list_element *alias, *prefix, *cmd; | |
ddd49eee | 492 | const char *arg; |
cc924cad | 493 | int found = -1; |
d57a3c85 TJB |
494 | |
495 | if (! PyArg_ParseTuple (args, "s", &arg)) | |
496 | return NULL; | |
497 | ||
075c55e0 | 498 | std::string newarg = std::string ("show ") + arg; |
d57a3c85 | 499 | |
a70b8144 | 500 | try |
d57a3c85 | 501 | { |
075c55e0 | 502 | found = lookup_cmd_composition (newarg.c_str (), &alias, &prefix, &cmd); |
d57a3c85 | 503 | } |
230d2906 | 504 | catch (const gdb_exception &ex) |
492d29ea | 505 | { |
075c55e0 | 506 | GDB_PY_HANDLE_EXCEPTION (ex); |
492d29ea | 507 | } |
492d29ea | 508 | |
cc924cad TJB |
509 | if (!found) |
510 | return PyErr_Format (PyExc_RuntimeError, | |
044c0f87 | 511 | _("Could not find parameter `%s'."), arg); |
d57a3c85 TJB |
512 | |
513 | if (! cmd->var) | |
256458bc | 514 | return PyErr_Format (PyExc_RuntimeError, |
044c0f87 | 515 | _("`%s' is not a parameter."), arg); |
d7b32ed3 | 516 | return gdbpy_parameter_value (cmd->var_type, cmd->var); |
d57a3c85 TJB |
517 | } |
518 | ||
f870a310 TT |
519 | /* Wrapper for target_charset. */ |
520 | ||
521 | static PyObject * | |
522 | gdbpy_target_charset (PyObject *self, PyObject *args) | |
523 | { | |
524 | const char *cset = target_charset (python_gdbarch); | |
d59b6f6c | 525 | |
f870a310 TT |
526 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
527 | } | |
528 | ||
529 | /* Wrapper for target_wide_charset. */ | |
530 | ||
531 | static PyObject * | |
532 | gdbpy_target_wide_charset (PyObject *self, PyObject *args) | |
533 | { | |
534 | const char *cset = target_wide_charset (python_gdbarch); | |
d59b6f6c | 535 | |
f870a310 TT |
536 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
537 | } | |
538 | ||
d57a3c85 TJB |
539 | /* A Python function which evaluates a string using the gdb CLI. */ |
540 | ||
541 | static PyObject * | |
bc9f0842 | 542 | execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 543 | { |
ddd49eee | 544 | const char *arg; |
bc9f0842 TT |
545 | PyObject *from_tty_obj = NULL, *to_string_obj = NULL; |
546 | int from_tty, to_string; | |
2adadf51 | 547 | static const char *keywords[] = { "command", "from_tty", "to_string", NULL }; |
d57a3c85 | 548 | |
2adadf51 PA |
549 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O!O!", keywords, &arg, |
550 | &PyBool_Type, &from_tty_obj, | |
551 | &PyBool_Type, &to_string_obj)) | |
d57a3c85 TJB |
552 | return NULL; |
553 | ||
12453b93 TJB |
554 | from_tty = 0; |
555 | if (from_tty_obj) | |
556 | { | |
bc9f0842 | 557 | int cmp = PyObject_IsTrue (from_tty_obj); |
12453b93 | 558 | if (cmp < 0) |
bc9f0842 | 559 | return NULL; |
12453b93 TJB |
560 | from_tty = cmp; |
561 | } | |
562 | ||
bc9f0842 TT |
563 | to_string = 0; |
564 | if (to_string_obj) | |
565 | { | |
566 | int cmp = PyObject_IsTrue (to_string_obj); | |
567 | if (cmp < 0) | |
568 | return NULL; | |
569 | to_string = cmp; | |
570 | } | |
571 | ||
db1ec11f PA |
572 | std::string to_string_res; |
573 | ||
1c97054b BF |
574 | scoped_restore preventer = prevent_dont_repeat (); |
575 | ||
a70b8144 | 576 | try |
d57a3c85 | 577 | { |
b5eba2d8 TT |
578 | gdbpy_allow_threads allow_threads; |
579 | ||
e7ea3ec7 | 580 | struct interp *interp; |
bc9f0842 | 581 | |
56bcdbea TT |
582 | std::string arg_copy = arg; |
583 | bool first = true; | |
584 | char *save_ptr = nullptr; | |
585 | auto reader | |
586 | = [&] () | |
587 | { | |
588 | const char *result = strtok_r (first ? &arg_copy[0] : nullptr, | |
589 | "\n", &save_ptr); | |
590 | first = false; | |
591 | return result; | |
592 | }; | |
593 | ||
594 | counted_command_line lines = read_command_lines_1 (reader, 1, nullptr); | |
595 | ||
a3a6aef4 TT |
596 | { |
597 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, | |
598 | 0); | |
b4a14fd0 | 599 | |
a3a6aef4 | 600 | scoped_restore save_uiout = make_scoped_restore (¤t_uiout); |
cd94f6d5 | 601 | |
a3a6aef4 TT |
602 | /* Use the console interpreter uiout to have the same print format |
603 | for console or MI. */ | |
604 | interp = interp_lookup (current_ui, "console"); | |
605 | current_uiout = interp->interp_ui_out (); | |
e7ea3ec7 | 606 | |
a3a6aef4 TT |
607 | if (to_string) |
608 | to_string_res = execute_control_commands_to_string (lines.get (), | |
609 | from_tty); | |
610 | else | |
611 | execute_control_commands (lines.get (), from_tty); | |
612 | } | |
613 | ||
614 | /* Do any commands attached to breakpoint we stopped at. */ | |
615 | bpstat_do_actions (); | |
d57a3c85 | 616 | } |
230d2906 | 617 | catch (const gdb_exception &except) |
492d29ea PA |
618 | { |
619 | GDB_PY_HANDLE_EXCEPTION (except); | |
620 | } | |
d57a3c85 | 621 | |
db1ec11f PA |
622 | if (to_string) |
623 | return PyString_FromString (to_string_res.c_str ()); | |
d57a3c85 TJB |
624 | Py_RETURN_NONE; |
625 | } | |
626 | ||
d8ae99a7 PM |
627 | /* Implementation of Python rbreak command. Take a REGEX and |
628 | optionally a MINSYMS, THROTTLE and SYMTABS keyword and return a | |
629 | Python list that contains newly set breakpoints that match that | |
630 | criteria. REGEX refers to a GDB format standard regex pattern of | |
631 | symbols names to search; MINSYMS is an optional boolean (default | |
632 | False) that indicates if the function should search GDB's minimal | |
633 | symbols; THROTTLE is an optional integer (default unlimited) that | |
634 | indicates the maximum amount of breakpoints allowable before the | |
635 | function exits (note, if the throttle bound is passed, no | |
636 | breakpoints will be set and a runtime error returned); SYMTABS is | |
637 | an optional Python iterable that contains a set of gdb.Symtabs to | |
638 | constrain the search within. */ | |
639 | ||
640 | static PyObject * | |
641 | gdbpy_rbreak (PyObject *self, PyObject *args, PyObject *kw) | |
642 | { | |
643 | /* A simple type to ensure clean up of a vector of allocated strings | |
644 | when a C interface demands a const char *array[] type | |
645 | interface. */ | |
646 | struct symtab_list_type | |
647 | { | |
648 | ~symtab_list_type () | |
649 | { | |
650 | for (const char *elem: vec) | |
651 | xfree ((void *) elem); | |
652 | } | |
653 | std::vector<const char *> vec; | |
654 | }; | |
655 | ||
656 | char *regex = NULL; | |
657 | std::vector<symbol_search> symbols; | |
658 | unsigned long count = 0; | |
659 | PyObject *symtab_list = NULL; | |
660 | PyObject *minsyms_p_obj = NULL; | |
661 | int minsyms_p = 0; | |
662 | unsigned int throttle = 0; | |
663 | static const char *keywords[] = {"regex","minsyms", "throttle", | |
664 | "symtabs", NULL}; | |
665 | symtab_list_type symtab_paths; | |
666 | ||
667 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O!IO", keywords, | |
668 | ®ex, &PyBool_Type, | |
669 | &minsyms_p_obj, &throttle, | |
670 | &symtab_list)) | |
671 | return NULL; | |
672 | ||
673 | /* Parse minsyms keyword. */ | |
674 | if (minsyms_p_obj != NULL) | |
675 | { | |
676 | int cmp = PyObject_IsTrue (minsyms_p_obj); | |
677 | if (cmp < 0) | |
678 | return NULL; | |
679 | minsyms_p = cmp; | |
680 | } | |
681 | ||
682 | /* The "symtabs" keyword is any Python iterable object that returns | |
683 | a gdb.Symtab on each iteration. If specified, iterate through | |
684 | the provided gdb.Symtabs and extract their full path. As | |
685 | python_string_to_target_string returns a | |
686 | gdb::unique_xmalloc_ptr<char> and a vector containing these types | |
687 | cannot be coerced to a const char **p[] via the vector.data call, | |
688 | release the value from the unique_xmalloc_ptr and place it in a | |
689 | simple type symtab_list_type (which holds the vector and a | |
690 | destructor that frees the contents of the allocated strings. */ | |
691 | if (symtab_list != NULL) | |
692 | { | |
693 | gdbpy_ref<> iter (PyObject_GetIter (symtab_list)); | |
694 | ||
695 | if (iter == NULL) | |
696 | return NULL; | |
697 | ||
698 | while (true) | |
699 | { | |
700 | gdbpy_ref<> next (PyIter_Next (iter.get ())); | |
701 | ||
702 | if (next == NULL) | |
703 | { | |
704 | if (PyErr_Occurred ()) | |
705 | return NULL; | |
706 | break; | |
707 | } | |
708 | ||
709 | gdbpy_ref<> obj_name (PyObject_GetAttrString (next.get (), | |
710 | "filename")); | |
711 | ||
712 | if (obj_name == NULL) | |
713 | return NULL; | |
714 | ||
715 | /* Is the object file still valid? */ | |
716 | if (obj_name == Py_None) | |
717 | continue; | |
718 | ||
719 | gdb::unique_xmalloc_ptr<char> filename = | |
720 | python_string_to_target_string (obj_name.get ()); | |
721 | ||
722 | if (filename == NULL) | |
723 | return NULL; | |
724 | ||
725 | /* Make sure there is a definite place to store the value of | |
726 | filename before it is released. */ | |
727 | symtab_paths.vec.push_back (nullptr); | |
728 | symtab_paths.vec.back () = filename.release (); | |
729 | } | |
730 | } | |
731 | ||
732 | if (symtab_list) | |
733 | { | |
734 | const char **files = symtab_paths.vec.data (); | |
735 | ||
12615cba | 736 | symbols = search_symbols (regex, FUNCTIONS_DOMAIN, NULL, |
d8ae99a7 PM |
737 | symtab_paths.vec.size (), files); |
738 | } | |
739 | else | |
12615cba | 740 | symbols = search_symbols (regex, FUNCTIONS_DOMAIN, NULL, 0, NULL); |
d8ae99a7 PM |
741 | |
742 | /* Count the number of symbols (both symbols and optionally minimal | |
743 | symbols) so we can correctly check the throttle limit. */ | |
744 | for (const symbol_search &p : symbols) | |
745 | { | |
746 | /* Minimal symbols included? */ | |
747 | if (minsyms_p) | |
748 | { | |
749 | if (p.msymbol.minsym != NULL) | |
750 | count++; | |
751 | } | |
752 | ||
753 | if (p.symbol != NULL) | |
754 | count++; | |
755 | } | |
756 | ||
757 | /* Check throttle bounds and exit if in excess. */ | |
758 | if (throttle != 0 && count > throttle) | |
759 | { | |
760 | PyErr_SetString (PyExc_RuntimeError, | |
761 | _("Number of breakpoints exceeds throttled maximum.")); | |
762 | return NULL; | |
763 | } | |
764 | ||
765 | gdbpy_ref<> return_list (PyList_New (0)); | |
766 | ||
767 | if (return_list == NULL) | |
768 | return NULL; | |
769 | ||
770 | /* Construct full path names for symbols and call the Python | |
771 | breakpoint constructor on the resulting names. Be tolerant of | |
772 | individual breakpoint failures. */ | |
773 | for (const symbol_search &p : symbols) | |
774 | { | |
775 | std::string symbol_name; | |
776 | ||
777 | /* Skipping minimal symbols? */ | |
778 | if (minsyms_p == 0) | |
779 | if (p.msymbol.minsym != NULL) | |
780 | continue; | |
781 | ||
782 | if (p.msymbol.minsym == NULL) | |
783 | { | |
784 | struct symtab *symtab = symbol_symtab (p.symbol); | |
785 | const char *fullname = symtab_to_fullname (symtab); | |
786 | ||
787 | symbol_name = fullname; | |
788 | symbol_name += ":"; | |
789 | symbol_name += SYMBOL_LINKAGE_NAME (p.symbol); | |
790 | } | |
791 | else | |
792 | symbol_name = MSYMBOL_LINKAGE_NAME (p.msymbol.minsym); | |
793 | ||
794 | gdbpy_ref<> argList (Py_BuildValue("(s)", symbol_name.c_str ())); | |
795 | gdbpy_ref<> obj (PyObject_CallObject ((PyObject *) | |
796 | &breakpoint_object_type, | |
797 | argList.get ())); | |
798 | ||
799 | /* Tolerate individual breakpoint failures. */ | |
800 | if (obj == NULL) | |
801 | gdbpy_print_stack (); | |
802 | else | |
803 | { | |
804 | if (PyList_Append (return_list.get (), obj.get ()) == -1) | |
805 | return NULL; | |
806 | } | |
807 | } | |
808 | return return_list.release (); | |
809 | } | |
810 | ||
cb2e07a6 PM |
811 | /* A Python function which is a wrapper for decode_line_1. */ |
812 | ||
813 | static PyObject * | |
814 | gdbpy_decode_line (PyObject *self, PyObject *args) | |
815 | { | |
f2fc3015 | 816 | const char *arg = NULL; |
7780f186 TT |
817 | gdbpy_ref<> result; |
818 | gdbpy_ref<> unparsed; | |
ffc2605c | 819 | event_location_up location; |
cb2e07a6 PM |
820 | |
821 | if (! PyArg_ParseTuple (args, "|s", &arg)) | |
822 | return NULL; | |
823 | ||
f00aae0f | 824 | if (arg != NULL) |
a20714ff PA |
825 | location = string_to_event_location_basic (&arg, python_language, |
826 | symbol_name_match_type::WILD); | |
f00aae0f | 827 | |
6c5b2ebe PA |
828 | std::vector<symtab_and_line> decoded_sals; |
829 | symtab_and_line def_sal; | |
830 | gdb::array_view<symtab_and_line> sals; | |
a70b8144 | 831 | try |
cb2e07a6 | 832 | { |
59ecaff3 | 833 | if (location != NULL) |
6c5b2ebe PA |
834 | { |
835 | decoded_sals = decode_line_1 (location.get (), 0, NULL, NULL, 0); | |
836 | sals = decoded_sals; | |
837 | } | |
cb2e07a6 PM |
838 | else |
839 | { | |
840 | set_default_source_symtab_and_line (); | |
6c5b2ebe PA |
841 | def_sal = get_current_source_symtab_and_line (); |
842 | sals = def_sal; | |
cb2e07a6 PM |
843 | } |
844 | } | |
230d2906 | 845 | catch (const gdb_exception &ex) |
cb2e07a6 | 846 | { |
cb2e07a6 | 847 | /* We know this will always throw. */ |
6c5b2ebe | 848 | gdbpy_convert_exception (ex); |
f3300387 | 849 | return NULL; |
cb2e07a6 PM |
850 | } |
851 | ||
6c5b2ebe | 852 | if (!sals.empty ()) |
cb2e07a6 | 853 | { |
6c5b2ebe | 854 | result.reset (PyTuple_New (sals.size ())); |
59876f8f | 855 | if (result == NULL) |
0d50bde3 | 856 | return NULL; |
6c5b2ebe | 857 | for (size_t i = 0; i < sals.size (); ++i) |
cb2e07a6 | 858 | { |
6c5b2ebe PA |
859 | PyObject *obj = symtab_and_line_to_sal_object (sals[i]); |
860 | if (obj == NULL) | |
0d50bde3 | 861 | return NULL; |
cb2e07a6 | 862 | |
59876f8f | 863 | PyTuple_SetItem (result.get (), i, obj); |
cb2e07a6 PM |
864 | } |
865 | } | |
866 | else | |
7c66fffc | 867 | result = gdbpy_ref<>::new_reference (Py_None); |
cb2e07a6 | 868 | |
7780f186 | 869 | gdbpy_ref<> return_result (PyTuple_New (2)); |
59876f8f | 870 | if (return_result == NULL) |
0d50bde3 | 871 | return NULL; |
cb2e07a6 | 872 | |
f00aae0f | 873 | if (arg != NULL && strlen (arg) > 0) |
9bc3523d | 874 | { |
59876f8f | 875 | unparsed.reset (PyString_FromString (arg)); |
9bc3523d | 876 | if (unparsed == NULL) |
0d50bde3 | 877 | return NULL; |
9bc3523d | 878 | } |
cb2e07a6 | 879 | else |
7c66fffc | 880 | unparsed = gdbpy_ref<>::new_reference (Py_None); |
cb2e07a6 | 881 | |
59876f8f TT |
882 | PyTuple_SetItem (return_result.get (), 0, unparsed.release ()); |
883 | PyTuple_SetItem (return_result.get (), 1, result.release ()); | |
cb2e07a6 | 884 | |
59876f8f | 885 | return return_result.release (); |
cb2e07a6 PM |
886 | } |
887 | ||
57a1d736 TT |
888 | /* Parse a string and evaluate it as an expression. */ |
889 | static PyObject * | |
890 | gdbpy_parse_and_eval (PyObject *self, PyObject *args) | |
891 | { | |
ddd49eee | 892 | const char *expr_str; |
57a1d736 | 893 | struct value *result = NULL; |
57a1d736 TT |
894 | |
895 | if (!PyArg_ParseTuple (args, "s", &expr_str)) | |
896 | return NULL; | |
897 | ||
a70b8144 | 898 | try |
57a1d736 | 899 | { |
b5eba2d8 | 900 | gdbpy_allow_threads allow_threads; |
bbc13ae3 | 901 | result = parse_and_eval (expr_str); |
57a1d736 | 902 | } |
230d2906 | 903 | catch (const gdb_exception &except) |
492d29ea PA |
904 | { |
905 | GDB_PY_HANDLE_EXCEPTION (except); | |
906 | } | |
57a1d736 TT |
907 | |
908 | return value_to_value_object (result); | |
909 | } | |
910 | ||
e0f3fd7c TT |
911 | /* Implementation of gdb.invalidate_cached_frames. */ |
912 | ||
913 | static PyObject * | |
914 | gdbpy_invalidate_cached_frames (PyObject *self, PyObject *args) | |
915 | { | |
916 | reinit_frame_cache (); | |
917 | Py_RETURN_NONE; | |
918 | } | |
919 | ||
d234ef5c | 920 | /* Read a file as Python code. |
6dddc817 DE |
921 | This is the extension_language_script_ops.script_sourcer "method". |
922 | FILE is the file to load. FILENAME is name of the file FILE. | |
d234ef5c DE |
923 | This does not throw any errors. If an exception occurs python will print |
924 | the traceback and clear the error indicator. */ | |
973817a3 | 925 | |
6dddc817 DE |
926 | static void |
927 | gdbpy_source_script (const struct extension_language_defn *extlang, | |
928 | FILE *file, const char *filename) | |
973817a3 | 929 | { |
60e600ec | 930 | gdbpy_enter enter_py (get_current_arch (), current_language); |
4c63965b | 931 | python_run_simple_file (file, filename); |
973817a3 JB |
932 | } |
933 | ||
d57a3c85 TJB |
934 | \f |
935 | ||
ca5c20b6 PM |
936 | /* Posting and handling events. */ |
937 | ||
938 | /* A single event. */ | |
939 | struct gdbpy_event | |
940 | { | |
941 | /* The Python event. This is just a callable object. */ | |
942 | PyObject *event; | |
943 | /* The next event. */ | |
944 | struct gdbpy_event *next; | |
945 | }; | |
946 | ||
947 | /* All pending events. */ | |
948 | static struct gdbpy_event *gdbpy_event_list; | |
949 | /* The final link of the event list. */ | |
950 | static struct gdbpy_event **gdbpy_event_list_end; | |
951 | ||
6eddd09a PA |
952 | /* So that we can wake up the main thread even when it is blocked in |
953 | poll(). */ | |
954 | static struct serial_event *gdbpy_serial_event; | |
ca5c20b6 PM |
955 | |
956 | /* The file handler callback. This reads from the internal pipe, and | |
957 | then processes the Python event queue. This will always be run in | |
958 | the main gdb thread. */ | |
4a532131 | 959 | |
ca5c20b6 | 960 | static void |
6eddd09a | 961 | gdbpy_run_events (int error, gdb_client_data client_data) |
ca5c20b6 | 962 | { |
60e600ec | 963 | gdbpy_enter enter_py (get_current_arch (), current_language); |
ca5c20b6 | 964 | |
6eddd09a PA |
965 | /* Clear the event fd. Do this before flushing the events list, so |
966 | that any new event post afterwards is sure to re-awake the event | |
4a532131 | 967 | loop. */ |
6eddd09a | 968 | serial_event_clear (gdbpy_serial_event); |
ca5c20b6 PM |
969 | |
970 | while (gdbpy_event_list) | |
971 | { | |
972 | /* Dispatching the event might push a new element onto the event | |
973 | loop, so we update here "atomically enough". */ | |
974 | struct gdbpy_event *item = gdbpy_event_list; | |
975 | gdbpy_event_list = gdbpy_event_list->next; | |
976 | if (gdbpy_event_list == NULL) | |
977 | gdbpy_event_list_end = &gdbpy_event_list; | |
978 | ||
7780f186 | 979 | gdbpy_ref<> call_result (PyObject_CallObject (item->event, NULL)); |
02146ba5 | 980 | if (call_result == NULL) |
39a24317 | 981 | gdbpy_print_stack (); |
ca5c20b6 PM |
982 | |
983 | Py_DECREF (item->event); | |
984 | xfree (item); | |
985 | } | |
ca5c20b6 PM |
986 | } |
987 | ||
988 | /* Submit an event to the gdb thread. */ | |
989 | static PyObject * | |
990 | gdbpy_post_event (PyObject *self, PyObject *args) | |
991 | { | |
992 | struct gdbpy_event *event; | |
993 | PyObject *func; | |
994 | int wakeup; | |
995 | ||
996 | if (!PyArg_ParseTuple (args, "O", &func)) | |
997 | return NULL; | |
998 | ||
999 | if (!PyCallable_Check (func)) | |
1000 | { | |
256458bc | 1001 | PyErr_SetString (PyExc_RuntimeError, |
ca5c20b6 PM |
1002 | _("Posted event is not callable")); |
1003 | return NULL; | |
1004 | } | |
1005 | ||
1006 | Py_INCREF (func); | |
1007 | ||
1008 | /* From here until the end of the function, we have the GIL, so we | |
1009 | can operate on our global data structures without worrying. */ | |
1010 | wakeup = gdbpy_event_list == NULL; | |
1011 | ||
1012 | event = XNEW (struct gdbpy_event); | |
1013 | event->event = func; | |
1014 | event->next = NULL; | |
1015 | *gdbpy_event_list_end = event; | |
1016 | gdbpy_event_list_end = &event->next; | |
1017 | ||
1018 | /* Wake up gdb when needed. */ | |
1019 | if (wakeup) | |
6eddd09a | 1020 | serial_event_set (gdbpy_serial_event); |
ca5c20b6 PM |
1021 | |
1022 | Py_RETURN_NONE; | |
1023 | } | |
1024 | ||
1025 | /* Initialize the Python event handler. */ | |
999633ed | 1026 | static int |
ca5c20b6 PM |
1027 | gdbpy_initialize_events (void) |
1028 | { | |
6eddd09a PA |
1029 | gdbpy_event_list_end = &gdbpy_event_list; |
1030 | ||
1031 | gdbpy_serial_event = make_serial_event (); | |
1032 | add_file_handler (serial_event_fd (gdbpy_serial_event), | |
1033 | gdbpy_run_events, NULL); | |
999633ed TT |
1034 | |
1035 | return 0; | |
ca5c20b6 PM |
1036 | } |
1037 | ||
d17b6f81 PM |
1038 | \f |
1039 | ||
6dddc817 DE |
1040 | /* This is the extension_language_ops.before_prompt "method". */ |
1041 | ||
1042 | static enum ext_lang_rc | |
1043 | gdbpy_before_prompt_hook (const struct extension_language_defn *extlang, | |
1044 | const char *current_gdb_prompt) | |
d17b6f81 | 1045 | { |
0646da15 | 1046 | if (!gdb_python_initialized) |
6dddc817 | 1047 | return EXT_LANG_RC_NOP; |
0646da15 | 1048 | |
a88b13c7 | 1049 | gdbpy_enter enter_py (get_current_arch (), current_language); |
d17b6f81 | 1050 | |
3f77c769 TT |
1051 | if (!evregpy_no_listeners_p (gdb_py_events.before_prompt) |
1052 | && evpy_emit_event (NULL, gdb_py_events.before_prompt) < 0) | |
1053 | return EXT_LANG_RC_ERROR; | |
1054 | ||
b9516fa1 YPK |
1055 | if (gdb_python_module |
1056 | && PyObject_HasAttrString (gdb_python_module, "prompt_hook")) | |
d17b6f81 | 1057 | { |
7780f186 TT |
1058 | gdbpy_ref<> hook (PyObject_GetAttrString (gdb_python_module, |
1059 | "prompt_hook")); | |
d17b6f81 | 1060 | if (hook == NULL) |
d17b6f81 | 1061 | { |
a88b13c7 TT |
1062 | gdbpy_print_stack (); |
1063 | return EXT_LANG_RC_ERROR; | |
1064 | } | |
d17b6f81 | 1065 | |
a88b13c7 TT |
1066 | if (PyCallable_Check (hook.get ())) |
1067 | { | |
7780f186 | 1068 | gdbpy_ref<> current_prompt (PyString_FromString (current_gdb_prompt)); |
d17b6f81 | 1069 | if (current_prompt == NULL) |
a88b13c7 TT |
1070 | { |
1071 | gdbpy_print_stack (); | |
1072 | return EXT_LANG_RC_ERROR; | |
1073 | } | |
d17b6f81 | 1074 | |
7780f186 TT |
1075 | gdbpy_ref<> result |
1076 | (PyObject_CallFunctionObjArgs (hook.get (), current_prompt.get (), | |
1077 | NULL)); | |
d17b6f81 | 1078 | if (result == NULL) |
a88b13c7 TT |
1079 | { |
1080 | gdbpy_print_stack (); | |
1081 | return EXT_LANG_RC_ERROR; | |
1082 | } | |
d17b6f81 PM |
1083 | |
1084 | /* Return type should be None, or a String. If it is None, | |
1085 | fall through, we will not set a prompt. If it is a | |
1086 | string, set PROMPT. Anything else, set an exception. */ | |
a88b13c7 | 1087 | if (result != Py_None && ! PyString_Check (result.get ())) |
d17b6f81 PM |
1088 | { |
1089 | PyErr_Format (PyExc_RuntimeError, | |
1090 | _("Return from prompt_hook must " \ | |
1091 | "be either a Python string, or None")); | |
a88b13c7 TT |
1092 | gdbpy_print_stack (); |
1093 | return EXT_LANG_RC_ERROR; | |
d17b6f81 PM |
1094 | } |
1095 | ||
1096 | if (result != Py_None) | |
1097 | { | |
a88b13c7 TT |
1098 | gdb::unique_xmalloc_ptr<char> |
1099 | prompt (python_string_to_host_string (result.get ())); | |
d17b6f81 PM |
1100 | |
1101 | if (prompt == NULL) | |
a88b13c7 TT |
1102 | { |
1103 | gdbpy_print_stack (); | |
1104 | return EXT_LANG_RC_ERROR; | |
1105 | } | |
1106 | ||
1107 | set_prompt (prompt.get ()); | |
1108 | return EXT_LANG_RC_OK; | |
d17b6f81 PM |
1109 | } |
1110 | } | |
1111 | } | |
1112 | ||
a88b13c7 | 1113 | return EXT_LANG_RC_NOP; |
d17b6f81 PM |
1114 | } |
1115 | ||
1116 | \f | |
1117 | ||
d57a3c85 TJB |
1118 | /* Printing. */ |
1119 | ||
1120 | /* A python function to write a single string using gdb's filtered | |
99c3dc11 PM |
1121 | output stream . The optional keyword STREAM can be used to write |
1122 | to a particular stream. The default stream is to gdb_stdout. */ | |
1123 | ||
d57a3c85 | 1124 | static PyObject * |
99c3dc11 | 1125 | gdbpy_write (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 1126 | { |
ddd49eee | 1127 | const char *arg; |
2adadf51 | 1128 | static const char *keywords[] = { "text", "stream", NULL }; |
99c3dc11 | 1129 | int stream_type = 0; |
256458bc | 1130 | |
2adadf51 PA |
1131 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|i", keywords, &arg, |
1132 | &stream_type)) | |
d57a3c85 | 1133 | return NULL; |
99c3dc11 | 1134 | |
a70b8144 | 1135 | try |
99c3dc11 | 1136 | { |
adb4fe3b ME |
1137 | switch (stream_type) |
1138 | { | |
1139 | case 1: | |
1140 | { | |
1141 | fprintf_filtered (gdb_stderr, "%s", arg); | |
1142 | break; | |
1143 | } | |
1144 | case 2: | |
1145 | { | |
1146 | fprintf_filtered (gdb_stdlog, "%s", arg); | |
1147 | break; | |
1148 | } | |
1149 | default: | |
1150 | fprintf_filtered (gdb_stdout, "%s", arg); | |
1151 | } | |
99c3dc11 | 1152 | } |
230d2906 | 1153 | catch (const gdb_exception &except) |
492d29ea PA |
1154 | { |
1155 | GDB_PY_HANDLE_EXCEPTION (except); | |
1156 | } | |
256458bc | 1157 | |
d57a3c85 TJB |
1158 | Py_RETURN_NONE; |
1159 | } | |
1160 | ||
99c3dc11 PM |
1161 | /* A python function to flush a gdb stream. The optional keyword |
1162 | STREAM can be used to flush a particular stream. The default stream | |
1163 | is gdb_stdout. */ | |
1164 | ||
d57a3c85 | 1165 | static PyObject * |
99c3dc11 | 1166 | gdbpy_flush (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 1167 | { |
2adadf51 | 1168 | static const char *keywords[] = { "stream", NULL }; |
99c3dc11 | 1169 | int stream_type = 0; |
256458bc | 1170 | |
2adadf51 PA |
1171 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "|i", keywords, |
1172 | &stream_type)) | |
99c3dc11 PM |
1173 | return NULL; |
1174 | ||
1175 | switch (stream_type) | |
1176 | { | |
1177 | case 1: | |
1178 | { | |
1179 | gdb_flush (gdb_stderr); | |
1180 | break; | |
1181 | } | |
1182 | case 2: | |
1183 | { | |
1184 | gdb_flush (gdb_stdlog); | |
1185 | break; | |
1186 | } | |
1187 | default: | |
1188 | gdb_flush (gdb_stdout); | |
1189 | } | |
256458bc | 1190 | |
d57a3c85 TJB |
1191 | Py_RETURN_NONE; |
1192 | } | |
1193 | ||
69b4374a DE |
1194 | /* Return non-zero if print-stack is not "none". */ |
1195 | ||
1196 | int | |
1197 | gdbpy_print_python_errors_p (void) | |
1198 | { | |
1199 | return gdbpy_should_print_stack != python_excp_none; | |
1200 | } | |
1201 | ||
80b6e756 PM |
1202 | /* Print a python exception trace, print just a message, or print |
1203 | nothing and clear the python exception, depending on | |
1204 | gdbpy_should_print_stack. Only call this if a python exception is | |
1205 | set. */ | |
d57a3c85 TJB |
1206 | void |
1207 | gdbpy_print_stack (void) | |
1208 | { | |
7f6a5dde | 1209 | |
80b6e756 PM |
1210 | /* Print "none", just clear exception. */ |
1211 | if (gdbpy_should_print_stack == python_excp_none) | |
1212 | { | |
1213 | PyErr_Clear (); | |
1214 | } | |
1215 | /* Print "full" message and backtrace. */ | |
1216 | else if (gdbpy_should_print_stack == python_excp_full) | |
0bf0f8c4 DE |
1217 | { |
1218 | PyErr_Print (); | |
1219 | /* PyErr_Print doesn't necessarily end output with a newline. | |
1220 | This works because Python's stdout/stderr is fed through | |
1221 | printf_filtered. */ | |
a70b8144 | 1222 | try |
7f6a5dde TT |
1223 | { |
1224 | begin_line (); | |
1225 | } | |
230d2906 | 1226 | catch (const gdb_exception &except) |
492d29ea PA |
1227 | { |
1228 | } | |
0bf0f8c4 | 1229 | } |
80b6e756 | 1230 | /* Print "message", just error print message. */ |
d57a3c85 | 1231 | else |
80b6e756 | 1232 | { |
5c329e6a | 1233 | gdbpy_err_fetch fetched_error; |
80b6e756 | 1234 | |
5c329e6a TT |
1235 | gdb::unique_xmalloc_ptr<char> msg = fetched_error.to_string (); |
1236 | gdb::unique_xmalloc_ptr<char> type; | |
1237 | /* Don't compute TYPE if MSG already indicates that there is an | |
1238 | error. */ | |
1239 | if (msg != NULL) | |
1240 | type = fetched_error.type_to_string (); | |
7f6a5dde | 1241 | |
a70b8144 | 1242 | try |
80b6e756 | 1243 | { |
5c329e6a | 1244 | if (msg == NULL || type == NULL) |
7f6a5dde TT |
1245 | { |
1246 | /* An error occurred computing the string representation of the | |
1247 | error message. */ | |
1248 | fprintf_filtered (gdb_stderr, | |
1249 | _("Error occurred computing Python error" \ | |
1250 | "message.\n")); | |
5c329e6a | 1251 | PyErr_Clear (); |
7f6a5dde TT |
1252 | } |
1253 | else | |
1254 | fprintf_filtered (gdb_stderr, "Python Exception %s %s: \n", | |
9b972014 | 1255 | type.get (), msg.get ()); |
80b6e756 | 1256 | } |
230d2906 | 1257 | catch (const gdb_exception &except) |
492d29ea PA |
1258 | { |
1259 | } | |
80b6e756 | 1260 | } |
d57a3c85 TJB |
1261 | } |
1262 | ||
6ef2312a TT |
1263 | /* Like gdbpy_print_stack, but if the exception is a |
1264 | KeyboardException, throw a gdb "quit" instead. */ | |
1265 | ||
1266 | void | |
1267 | gdbpy_print_stack_or_quit () | |
1268 | { | |
1269 | if (PyErr_ExceptionMatches (PyExc_KeyboardInterrupt)) | |
1270 | { | |
1271 | PyErr_Clear (); | |
1272 | throw_quit ("Quit"); | |
1273 | } | |
1274 | gdbpy_print_stack (); | |
1275 | } | |
1276 | ||
89c73ade TT |
1277 | \f |
1278 | ||
fa33c3cd DE |
1279 | /* Return a sequence holding all the Progspaces. */ |
1280 | ||
1281 | static PyObject * | |
1282 | gdbpy_progspaces (PyObject *unused1, PyObject *unused2) | |
1283 | { | |
1284 | struct program_space *ps; | |
fa33c3cd | 1285 | |
7780f186 | 1286 | gdbpy_ref<> list (PyList_New (0)); |
ff3724f5 | 1287 | if (list == NULL) |
fa33c3cd DE |
1288 | return NULL; |
1289 | ||
1290 | ALL_PSPACES (ps) | |
1291 | { | |
3c7aa307 | 1292 | gdbpy_ref<> item = pspace_to_pspace_object (ps); |
d59b6f6c | 1293 | |
3c7aa307 | 1294 | if (item == NULL || PyList_Append (list.get (), item.get ()) == -1) |
ff3724f5 | 1295 | return NULL; |
fa33c3cd DE |
1296 | } |
1297 | ||
ff3724f5 | 1298 | return list.release (); |
fa33c3cd DE |
1299 | } |
1300 | ||
1301 | \f | |
1302 | ||
89c73ade | 1303 | /* The "current" objfile. This is set when gdb detects that a new |
8a1ea21f | 1304 | objfile has been loaded. It is only set for the duration of a call to |
9f050062 DE |
1305 | gdbpy_source_objfile_script and gdbpy_execute_objfile_script; it is NULL |
1306 | at other times. */ | |
89c73ade TT |
1307 | static struct objfile *gdbpy_current_objfile; |
1308 | ||
4c63965b JK |
1309 | /* Set the current objfile to OBJFILE and then read FILE named FILENAME |
1310 | as Python code. This does not throw any errors. If an exception | |
6dddc817 DE |
1311 | occurs python will print the traceback and clear the error indicator. |
1312 | This is the extension_language_script_ops.objfile_script_sourcer | |
1313 | "method". */ | |
89c73ade | 1314 | |
6dddc817 DE |
1315 | static void |
1316 | gdbpy_source_objfile_script (const struct extension_language_defn *extlang, | |
1317 | struct objfile *objfile, FILE *file, | |
1318 | const char *filename) | |
89c73ade | 1319 | { |
0646da15 TT |
1320 | if (!gdb_python_initialized) |
1321 | return; | |
1322 | ||
60e600ec | 1323 | gdbpy_enter enter_py (get_objfile_arch (objfile), current_language); |
89c73ade TT |
1324 | gdbpy_current_objfile = objfile; |
1325 | ||
4c63965b | 1326 | python_run_simple_file (file, filename); |
89c73ade | 1327 | |
89c73ade | 1328 | gdbpy_current_objfile = NULL; |
89c73ade TT |
1329 | } |
1330 | ||
9f050062 DE |
1331 | /* Set the current objfile to OBJFILE and then execute SCRIPT |
1332 | as Python code. This does not throw any errors. If an exception | |
1333 | occurs python will print the traceback and clear the error indicator. | |
1334 | This is the extension_language_script_ops.objfile_script_executor | |
1335 | "method". */ | |
1336 | ||
1337 | static void | |
1338 | gdbpy_execute_objfile_script (const struct extension_language_defn *extlang, | |
1339 | struct objfile *objfile, const char *name, | |
1340 | const char *script) | |
1341 | { | |
9f050062 DE |
1342 | if (!gdb_python_initialized) |
1343 | return; | |
1344 | ||
60e600ec | 1345 | gdbpy_enter enter_py (get_objfile_arch (objfile), current_language); |
9f050062 DE |
1346 | gdbpy_current_objfile = objfile; |
1347 | ||
1348 | PyRun_SimpleString (script); | |
1349 | ||
9f050062 DE |
1350 | gdbpy_current_objfile = NULL; |
1351 | } | |
1352 | ||
89c73ade | 1353 | /* Return the current Objfile, or None if there isn't one. */ |
8a1ea21f | 1354 | |
89c73ade TT |
1355 | static PyObject * |
1356 | gdbpy_get_current_objfile (PyObject *unused1, PyObject *unused2) | |
1357 | { | |
89c73ade TT |
1358 | if (! gdbpy_current_objfile) |
1359 | Py_RETURN_NONE; | |
1360 | ||
0a9db5ad | 1361 | return objfile_to_objfile_object (gdbpy_current_objfile).release (); |
89c73ade TT |
1362 | } |
1363 | ||
6dddc817 DE |
1364 | /* Compute the list of active python type printers and store them in |
1365 | EXT_PRINTERS->py_type_printers. The product of this function is used by | |
1366 | gdbpy_apply_type_printers, and freed by gdbpy_free_type_printers. | |
1367 | This is the extension_language_ops.start_type_printers "method". */ | |
18a9fc12 | 1368 | |
6dddc817 DE |
1369 | static void |
1370 | gdbpy_start_type_printers (const struct extension_language_defn *extlang, | |
1371 | struct ext_lang_type_printers *ext_printers) | |
18a9fc12 | 1372 | { |
59876f8f | 1373 | PyObject *printers_obj = NULL; |
18a9fc12 | 1374 | |
0646da15 | 1375 | if (!gdb_python_initialized) |
6dddc817 | 1376 | return; |
0646da15 | 1377 | |
60e600ec | 1378 | gdbpy_enter enter_py (get_current_arch (), current_language); |
18a9fc12 | 1379 | |
7780f186 | 1380 | gdbpy_ref<> type_module (PyImport_ImportModule ("gdb.types")); |
18a9fc12 TT |
1381 | if (type_module == NULL) |
1382 | { | |
1383 | gdbpy_print_stack (); | |
59876f8f | 1384 | return; |
18a9fc12 | 1385 | } |
18a9fc12 | 1386 | |
7780f186 TT |
1387 | gdbpy_ref<> func (PyObject_GetAttrString (type_module.get (), |
1388 | "get_type_recognizers")); | |
18a9fc12 TT |
1389 | if (func == NULL) |
1390 | { | |
1391 | gdbpy_print_stack (); | |
59876f8f | 1392 | return; |
18a9fc12 | 1393 | } |
18a9fc12 | 1394 | |
59876f8f | 1395 | printers_obj = PyObject_CallFunctionObjArgs (func.get (), (char *) NULL); |
6dddc817 | 1396 | if (printers_obj == NULL) |
18a9fc12 | 1397 | gdbpy_print_stack (); |
6dddc817 DE |
1398 | else |
1399 | ext_printers->py_type_printers = printers_obj; | |
18a9fc12 TT |
1400 | } |
1401 | ||
6dddc817 DE |
1402 | /* If TYPE is recognized by some type printer, store in *PRETTIED_TYPE |
1403 | a newly allocated string holding the type's replacement name, and return | |
1404 | EXT_LANG_RC_OK. The caller is responsible for freeing the string. | |
1405 | If there's a Python error return EXT_LANG_RC_ERROR. | |
1406 | Otherwise, return EXT_LANG_RC_NOP. | |
1407 | This is the extension_language_ops.apply_type_printers "method". */ | |
1408 | ||
1409 | static enum ext_lang_rc | |
1410 | gdbpy_apply_type_printers (const struct extension_language_defn *extlang, | |
1411 | const struct ext_lang_type_printers *ext_printers, | |
1412 | struct type *type, char **prettied_type) | |
18a9fc12 | 1413 | { |
19ba03f4 | 1414 | PyObject *printers_obj = (PyObject *) ext_printers->py_type_printers; |
9b972014 | 1415 | gdb::unique_xmalloc_ptr<char> result; |
18a9fc12 TT |
1416 | |
1417 | if (printers_obj == NULL) | |
6dddc817 | 1418 | return EXT_LANG_RC_NOP; |
18a9fc12 | 1419 | |
0646da15 | 1420 | if (!gdb_python_initialized) |
6dddc817 | 1421 | return EXT_LANG_RC_NOP; |
0646da15 | 1422 | |
60e600ec | 1423 | gdbpy_enter enter_py (get_current_arch (), current_language); |
18a9fc12 | 1424 | |
7780f186 | 1425 | gdbpy_ref<> type_obj (type_to_type_object (type)); |
18a9fc12 TT |
1426 | if (type_obj == NULL) |
1427 | { | |
1428 | gdbpy_print_stack (); | |
59876f8f | 1429 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1430 | } |
18a9fc12 | 1431 | |
7780f186 | 1432 | gdbpy_ref<> type_module (PyImport_ImportModule ("gdb.types")); |
18a9fc12 TT |
1433 | if (type_module == NULL) |
1434 | { | |
1435 | gdbpy_print_stack (); | |
59876f8f | 1436 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1437 | } |
18a9fc12 | 1438 | |
7780f186 TT |
1439 | gdbpy_ref<> func (PyObject_GetAttrString (type_module.get (), |
1440 | "apply_type_recognizers")); | |
18a9fc12 TT |
1441 | if (func == NULL) |
1442 | { | |
1443 | gdbpy_print_stack (); | |
59876f8f | 1444 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1445 | } |
18a9fc12 | 1446 | |
7780f186 TT |
1447 | gdbpy_ref<> result_obj (PyObject_CallFunctionObjArgs (func.get (), |
1448 | printers_obj, | |
1449 | type_obj.get (), | |
1450 | (char *) NULL)); | |
18a9fc12 TT |
1451 | if (result_obj == NULL) |
1452 | { | |
1453 | gdbpy_print_stack (); | |
59876f8f | 1454 | return EXT_LANG_RC_ERROR; |
18a9fc12 | 1455 | } |
18a9fc12 | 1456 | |
59876f8f TT |
1457 | if (result_obj == Py_None) |
1458 | return EXT_LANG_RC_NOP; | |
18a9fc12 | 1459 | |
59876f8f TT |
1460 | result = python_string_to_host_string (result_obj.get ()); |
1461 | if (result == NULL) | |
9b972014 | 1462 | { |
59876f8f TT |
1463 | gdbpy_print_stack (); |
1464 | return EXT_LANG_RC_ERROR; | |
9b972014 | 1465 | } |
59876f8f TT |
1466 | |
1467 | *prettied_type = result.release (); | |
1468 | return EXT_LANG_RC_OK; | |
18a9fc12 TT |
1469 | } |
1470 | ||
6dddc817 DE |
1471 | /* Free the result of start_type_printers. |
1472 | This is the extension_language_ops.free_type_printers "method". */ | |
18a9fc12 | 1473 | |
6dddc817 DE |
1474 | static void |
1475 | gdbpy_free_type_printers (const struct extension_language_defn *extlang, | |
1476 | struct ext_lang_type_printers *ext_printers) | |
18a9fc12 | 1477 | { |
19ba03f4 | 1478 | PyObject *printers = (PyObject *) ext_printers->py_type_printers; |
18a9fc12 TT |
1479 | |
1480 | if (printers == NULL) | |
1481 | return; | |
1482 | ||
0646da15 TT |
1483 | if (!gdb_python_initialized) |
1484 | return; | |
1485 | ||
60e600ec | 1486 | gdbpy_enter enter_py (get_current_arch (), current_language); |
18a9fc12 | 1487 | Py_DECREF (printers); |
18a9fc12 TT |
1488 | } |
1489 | ||
d57a3c85 TJB |
1490 | #else /* HAVE_PYTHON */ |
1491 | ||
8315665e YPK |
1492 | /* Dummy implementation of the gdb "python-interactive" and "python" |
1493 | command. */ | |
d57a3c85 TJB |
1494 | |
1495 | static void | |
0b39b52e | 1496 | python_interactive_command (const char *arg, int from_tty) |
d57a3c85 | 1497 | { |
529480d0 | 1498 | arg = skip_spaces (arg); |
d57a3c85 TJB |
1499 | if (arg && *arg) |
1500 | error (_("Python scripting is not supported in this copy of GDB.")); | |
1501 | else | |
1502 | { | |
12973681 | 1503 | counted_command_line l = get_command_line (python_control, ""); |
d59b6f6c | 1504 | |
93921405 | 1505 | execute_control_command_untraced (l.get ()); |
d57a3c85 TJB |
1506 | } |
1507 | } | |
1508 | ||
8315665e | 1509 | static void |
0b39b52e | 1510 | python_command (const char *arg, int from_tty) |
8315665e YPK |
1511 | { |
1512 | python_interactive_command (arg, from_tty); | |
1513 | } | |
1514 | ||
d57a3c85 TJB |
1515 | #endif /* HAVE_PYTHON */ |
1516 | ||
1517 | \f | |
1518 | ||
713389e0 PM |
1519 | /* Lists for 'set python' commands. */ |
1520 | ||
1521 | static struct cmd_list_element *user_set_python_list; | |
1522 | static struct cmd_list_element *user_show_python_list; | |
d57a3c85 | 1523 | |
713389e0 PM |
1524 | /* Function for use by 'set python' prefix command. */ |
1525 | ||
1526 | static void | |
981a3fb3 | 1527 | user_set_python (const char *args, int from_tty) |
713389e0 PM |
1528 | { |
1529 | help_list (user_set_python_list, "set python ", all_commands, | |
1530 | gdb_stdout); | |
1531 | } | |
1532 | ||
1533 | /* Function for use by 'show python' prefix command. */ | |
1534 | ||
1535 | static void | |
981a3fb3 | 1536 | user_show_python (const char *args, int from_tty) |
d57a3c85 | 1537 | { |
713389e0 | 1538 | cmd_show_list (user_show_python_list, from_tty, ""); |
d57a3c85 TJB |
1539 | } |
1540 | ||
1541 | /* Initialize the Python code. */ | |
1542 | ||
810849a3 AS |
1543 | #ifdef HAVE_PYTHON |
1544 | ||
d7de8e3c TT |
1545 | /* This is installed as a final cleanup and cleans up the |
1546 | interpreter. This lets Python's 'atexit' work. */ | |
1547 | ||
1548 | static void | |
1549 | finalize_python (void *ignore) | |
1550 | { | |
6dddc817 DE |
1551 | struct active_ext_lang_state *previous_active; |
1552 | ||
d7de8e3c TT |
1553 | /* We don't use ensure_python_env here because if we ever ran the |
1554 | cleanup, gdb would crash -- because the cleanup calls into the | |
1555 | Python interpreter, which we are about to destroy. It seems | |
1556 | clearer to make the needed calls explicitly here than to create a | |
1557 | cleanup and then mysteriously discard it. */ | |
6dddc817 DE |
1558 | |
1559 | /* This is only called as a final cleanup so we can assume the active | |
1560 | SIGINT handler is gdb's. We still need to tell it to notify Python. */ | |
1561 | previous_active = set_active_ext_lang (&extension_language_python); | |
1562 | ||
b1209b03 | 1563 | (void) PyGILState_Ensure (); |
f5656ead | 1564 | python_gdbarch = target_gdbarch (); |
d7de8e3c TT |
1565 | python_language = current_language; |
1566 | ||
1567 | Py_Finalize (); | |
6dddc817 DE |
1568 | |
1569 | restore_active_ext_lang (previous_active); | |
d7de8e3c | 1570 | } |
2bb8f231 | 1571 | |
aeab5128 PK |
1572 | #ifdef IS_PY3K |
1573 | /* This is called via the PyImport_AppendInittab mechanism called | |
1574 | during initialization, to make the built-in _gdb module known to | |
1575 | Python. */ | |
1576 | PyMODINIT_FUNC | |
1577 | init__gdb_module (void) | |
1578 | { | |
1579 | return PyModule_Create (&python_GdbModuleDef); | |
1580 | } | |
1581 | #endif | |
1582 | ||
2bb8f231 TT |
1583 | static bool |
1584 | do_start_initialization () | |
d57a3c85 | 1585 | { |
9a27f2c6 | 1586 | #ifdef IS_PY3K |
9a27f2c6 | 1587 | size_t progsize, count; |
9a27f2c6 PK |
1588 | wchar_t *progname_copy; |
1589 | #endif | |
713389e0 | 1590 | |
0c4a4063 DE |
1591 | #ifdef WITH_PYTHON_PATH |
1592 | /* Work around problem where python gets confused about where it is, | |
1593 | and then can't find its libraries, etc. | |
1594 | NOTE: Python assumes the following layout: | |
1595 | /foo/bin/python | |
1596 | /foo/lib/pythonX.Y/... | |
1597 | This must be done before calling Py_Initialize. */ | |
e8e7d10c SM |
1598 | gdb::unique_xmalloc_ptr<char> progname |
1599 | (concat (ldirname (python_libdir).c_str (), SLASH_STRING, "bin", | |
1600 | SLASH_STRING, "python", (char *) NULL)); | |
9a27f2c6 | 1601 | #ifdef IS_PY3K |
7f968c89 | 1602 | std::string oldloc = setlocale (LC_ALL, NULL); |
9a27f2c6 | 1603 | setlocale (LC_ALL, ""); |
e8e7d10c | 1604 | progsize = strlen (progname.get ()); |
5af5392a | 1605 | progname_copy = (wchar_t *) xmalloc ((progsize + 1) * sizeof (wchar_t)); |
9a27f2c6 PK |
1606 | if (!progname_copy) |
1607 | { | |
1608 | fprintf (stderr, "out of memory\n"); | |
2bb8f231 | 1609 | return false; |
9a27f2c6 | 1610 | } |
e8e7d10c | 1611 | count = mbstowcs (progname_copy, progname.get (), progsize + 1); |
9a27f2c6 PK |
1612 | if (count == (size_t) -1) |
1613 | { | |
1614 | fprintf (stderr, "Could not convert python path to string\n"); | |
2bb8f231 | 1615 | return false; |
9a27f2c6 | 1616 | } |
7f968c89 | 1617 | setlocale (LC_ALL, oldloc.c_str ()); |
9a27f2c6 PK |
1618 | |
1619 | /* Note that Py_SetProgramName expects the string it is passed to | |
1620 | remain alive for the duration of the program's execution, so | |
1621 | it is not freed after this call. */ | |
1622 | Py_SetProgramName (progname_copy); | |
aeab5128 PK |
1623 | |
1624 | /* Define _gdb as a built-in module. */ | |
1625 | PyImport_AppendInittab ("_gdb", init__gdb_module); | |
9a27f2c6 | 1626 | #else |
e8e7d10c | 1627 | Py_SetProgramName (progname.release ()); |
9a27f2c6 | 1628 | #endif |
0c4a4063 DE |
1629 | #endif |
1630 | ||
d57a3c85 | 1631 | Py_Initialize (); |
ca30a762 | 1632 | PyEval_InitThreads (); |
d57a3c85 | 1633 | |
9a27f2c6 | 1634 | #ifdef IS_PY3K |
aeab5128 | 1635 | gdb_module = PyImport_ImportModule ("_gdb"); |
9a27f2c6 | 1636 | #else |
bcabf420 | 1637 | gdb_module = Py_InitModule ("_gdb", python_GdbMethods); |
9a27f2c6 | 1638 | #endif |
999633ed | 1639 | if (gdb_module == NULL) |
2bb8f231 | 1640 | return false; |
d57a3c85 | 1641 | |
6c28e44a TT |
1642 | if (PyModule_AddStringConstant (gdb_module, "VERSION", version) < 0 |
1643 | || PyModule_AddStringConstant (gdb_module, "HOST_CONFIG", host_name) < 0 | |
999633ed | 1644 | || PyModule_AddStringConstant (gdb_module, "TARGET_CONFIG", |
6c28e44a | 1645 | target_name) < 0) |
2bb8f231 | 1646 | return false; |
f17618ea | 1647 | |
99c3dc11 | 1648 | /* Add stream constants. */ |
999633ed TT |
1649 | if (PyModule_AddIntConstant (gdb_module, "STDOUT", 0) < 0 |
1650 | || PyModule_AddIntConstant (gdb_module, "STDERR", 1) < 0 | |
1651 | || PyModule_AddIntConstant (gdb_module, "STDLOG", 2) < 0) | |
2bb8f231 | 1652 | return false; |
d57a3c85 | 1653 | |
621c8364 | 1654 | gdbpy_gdb_error = PyErr_NewException ("gdb.error", PyExc_RuntimeError, NULL); |
999633ed | 1655 | if (gdbpy_gdb_error == NULL |
aa36459a | 1656 | || gdb_pymodule_addobject (gdb_module, "error", gdbpy_gdb_error) < 0) |
2bb8f231 | 1657 | return false; |
621c8364 TT |
1658 | |
1659 | gdbpy_gdb_memory_error = PyErr_NewException ("gdb.MemoryError", | |
1660 | gdbpy_gdb_error, NULL); | |
999633ed | 1661 | if (gdbpy_gdb_memory_error == NULL |
aa36459a TT |
1662 | || gdb_pymodule_addobject (gdb_module, "MemoryError", |
1663 | gdbpy_gdb_memory_error) < 0) | |
2bb8f231 | 1664 | return false; |
621c8364 | 1665 | |
07ca107c | 1666 | gdbpy_gdberror_exc = PyErr_NewException ("gdb.GdbError", NULL, NULL); |
999633ed | 1667 | if (gdbpy_gdberror_exc == NULL |
aa36459a TT |
1668 | || gdb_pymodule_addobject (gdb_module, "GdbError", |
1669 | gdbpy_gdberror_exc) < 0) | |
2bb8f231 | 1670 | return false; |
07ca107c | 1671 | |
037bbc8e | 1672 | gdbpy_initialize_gdb_readline (); |
999633ed TT |
1673 | |
1674 | if (gdbpy_initialize_auto_load () < 0 | |
1675 | || gdbpy_initialize_values () < 0 | |
1676 | || gdbpy_initialize_frames () < 0 | |
1677 | || gdbpy_initialize_commands () < 0 | |
d050f7d7 | 1678 | || gdbpy_initialize_instruction () < 0 |
4726b2d8 | 1679 | || gdbpy_initialize_record () < 0 |
75c0bdf4 | 1680 | || gdbpy_initialize_btrace () < 0 |
999633ed TT |
1681 | || gdbpy_initialize_symbols () < 0 |
1682 | || gdbpy_initialize_symtabs () < 0 | |
1683 | || gdbpy_initialize_blocks () < 0 | |
1684 | || gdbpy_initialize_functions () < 0 | |
1685 | || gdbpy_initialize_parameters () < 0 | |
1686 | || gdbpy_initialize_types () < 0 | |
1687 | || gdbpy_initialize_pspace () < 0 | |
1688 | || gdbpy_initialize_objfile () < 0 | |
1689 | || gdbpy_initialize_breakpoints () < 0 | |
1690 | || gdbpy_initialize_finishbreakpoints () < 0 | |
1691 | || gdbpy_initialize_lazy_string () < 0 | |
bc79de95 | 1692 | || gdbpy_initialize_linetable () < 0 |
999633ed TT |
1693 | || gdbpy_initialize_thread () < 0 |
1694 | || gdbpy_initialize_inferior () < 0 | |
1695 | || gdbpy_initialize_events () < 0 | |
1696 | || gdbpy_initialize_eventregistry () < 0 | |
1697 | || gdbpy_initialize_py_events () < 0 | |
1698 | || gdbpy_initialize_event () < 0 | |
883964a7 | 1699 | || gdbpy_initialize_arch () < 0 |
d11916aa SS |
1700 | || gdbpy_initialize_xmethods () < 0 |
1701 | || gdbpy_initialize_unwind () < 0) | |
2bb8f231 | 1702 | return false; |
505500db | 1703 | |
7d221d74 TT |
1704 | #define GDB_PY_DEFINE_EVENT_TYPE(name, py_name, doc, base) \ |
1705 | if (gdbpy_initialize_event_generic (&name##_event_object_type, py_name) < 0) \ | |
1706 | return false; | |
1707 | #include "py-event-types.def" | |
1708 | #undef GDB_PY_DEFINE_EVENT_TYPE | |
1709 | ||
a6bac58e | 1710 | gdbpy_to_string_cst = PyString_FromString ("to_string"); |
999633ed | 1711 | if (gdbpy_to_string_cst == NULL) |
2bb8f231 | 1712 | return false; |
a6bac58e | 1713 | gdbpy_children_cst = PyString_FromString ("children"); |
999633ed | 1714 | if (gdbpy_children_cst == NULL) |
2bb8f231 | 1715 | return false; |
a6bac58e | 1716 | gdbpy_display_hint_cst = PyString_FromString ("display_hint"); |
999633ed | 1717 | if (gdbpy_display_hint_cst == NULL) |
2bb8f231 | 1718 | return false; |
d8906c6f | 1719 | gdbpy_doc_cst = PyString_FromString ("__doc__"); |
999633ed | 1720 | if (gdbpy_doc_cst == NULL) |
2bb8f231 | 1721 | return false; |
967cf477 | 1722 | gdbpy_enabled_cst = PyString_FromString ("enabled"); |
999633ed | 1723 | if (gdbpy_enabled_cst == NULL) |
2bb8f231 | 1724 | return false; |
fb6a3ed3 | 1725 | gdbpy_value_cst = PyString_FromString ("value"); |
999633ed | 1726 | if (gdbpy_value_cst == NULL) |
2bb8f231 | 1727 | return false; |
d8906c6f | 1728 | |
9dea9163 DE |
1729 | /* Release the GIL while gdb runs. */ |
1730 | PyThreadState_Swap (NULL); | |
1731 | PyEval_ReleaseLock (); | |
1732 | ||
d7de8e3c | 1733 | make_final_cleanup (finalize_python, NULL); |
999633ed | 1734 | |
2bb8f231 | 1735 | /* Only set this when initialization has succeeded. */ |
999633ed | 1736 | gdb_python_initialized = 1; |
2bb8f231 TT |
1737 | return true; |
1738 | } | |
999633ed | 1739 | |
2bb8f231 | 1740 | #endif /* HAVE_PYTHON */ |
999633ed | 1741 | |
8588b356 SM |
1742 | /* See python.h. */ |
1743 | cmd_list_element *python_cmd_element = nullptr; | |
1744 | ||
2bb8f231 TT |
1745 | void |
1746 | _initialize_python (void) | |
1747 | { | |
1748 | add_com ("python-interactive", class_obscure, | |
1749 | python_interactive_command, | |
1750 | #ifdef HAVE_PYTHON | |
1751 | _("\ | |
1752 | Start an interactive Python prompt.\n\ | |
1753 | \n\ | |
1754 | To return to GDB, type the EOF character (e.g., Ctrl-D on an empty\n\ | |
1755 | prompt).\n\ | |
1756 | \n\ | |
1757 | Alternatively, a single-line Python command can be given as an\n\ | |
1758 | argument, and if the command is an expression, the result will be\n\ | |
1759 | printed. For example:\n\ | |
1760 | \n\ | |
1761 | (gdb) python-interactive 2 + 3\n\ | |
89549d7f | 1762 | 5") |
2bb8f231 TT |
1763 | #else /* HAVE_PYTHON */ |
1764 | _("\ | |
1765 | Start a Python interactive prompt.\n\ | |
1766 | \n\ | |
1767 | Python scripting is not supported in this copy of GDB.\n\ | |
1768 | This command is only a placeholder.") | |
1769 | #endif /* HAVE_PYTHON */ | |
1770 | ); | |
1771 | add_com_alias ("pi", "python-interactive", class_obscure, 1); | |
1772 | ||
8588b356 | 1773 | python_cmd_element = add_com ("python", class_obscure, python_command, |
2bb8f231 TT |
1774 | #ifdef HAVE_PYTHON |
1775 | _("\ | |
1776 | Evaluate a Python command.\n\ | |
1777 | \n\ | |
1778 | The command can be given as an argument, for instance:\n\ | |
1779 | \n\ | |
a154931e | 1780 | python print (23)\n\ |
2bb8f231 TT |
1781 | \n\ |
1782 | If no argument is given, the following lines are read and used\n\ | |
1783 | as the Python commands. Type a line containing \"end\" to indicate\n\ | |
1784 | the end of the command.") | |
1785 | #else /* HAVE_PYTHON */ | |
1786 | _("\ | |
1787 | Evaluate a Python command.\n\ | |
1788 | \n\ | |
1789 | Python scripting is not supported in this copy of GDB.\n\ | |
1790 | This command is only a placeholder.") | |
1791 | #endif /* HAVE_PYTHON */ | |
1792 | ); | |
1793 | add_com_alias ("py", "python", class_obscure, 1); | |
1794 | ||
1795 | /* Add set/show python print-stack. */ | |
1796 | add_prefix_cmd ("python", no_class, user_show_python, | |
1797 | _("Prefix command for python preference settings."), | |
1798 | &user_show_python_list, "show python ", 0, | |
1799 | &showlist); | |
1800 | ||
1801 | add_prefix_cmd ("python", no_class, user_set_python, | |
1802 | _("Prefix command for python preference settings."), | |
1803 | &user_set_python_list, "set python ", 0, | |
1804 | &setlist); | |
1805 | ||
1806 | add_setshow_enum_cmd ("print-stack", no_class, python_excp_enums, | |
1807 | &gdbpy_should_print_stack, _("\ | |
1808 | Set mode for Python stack dump on error."), _("\ | |
1809 | Show the mode of Python stack printing on error."), _("\ | |
1810 | none == no stack or message will be printed.\n\ | |
1811 | full == a message and a stack will be printed.\n\ | |
1812 | message == an error message without a stack will be printed."), | |
1813 | NULL, NULL, | |
1814 | &user_set_python_list, | |
1815 | &user_show_python_list); | |
1816 | ||
1817 | #ifdef HAVE_PYTHON | |
1818 | if (!do_start_initialization () && PyErr_Occurred ()) | |
1819 | gdbpy_print_stack (); | |
9dea9163 DE |
1820 | #endif /* HAVE_PYTHON */ |
1821 | } | |
1822 | ||
1823 | #ifdef HAVE_PYTHON | |
1824 | ||
a7785f8c TT |
1825 | /* Helper function for gdbpy_finish_initialization. This does the |
1826 | work and then returns false if an error has occurred and must be | |
1827 | displayed, or true on success. */ | |
9dea9163 | 1828 | |
a7785f8c TT |
1829 | static bool |
1830 | do_finish_initialization (const struct extension_language_defn *extlang) | |
9dea9163 | 1831 | { |
b9516fa1 | 1832 | PyObject *m; |
b9516fa1 | 1833 | PyObject *sys_path; |
f17618ea | 1834 | |
b9516fa1 YPK |
1835 | /* Add the initial data-directory to sys.path. */ |
1836 | ||
a7785f8c TT |
1837 | std::string gdb_pythondir = (std::string (gdb_datadir) + SLASH_STRING |
1838 | + "python"); | |
b9516fa1 YPK |
1839 | |
1840 | sys_path = PySys_GetObject ("path"); | |
ca30a762 | 1841 | |
9a27f2c6 PK |
1842 | /* If sys.path is not defined yet, define it first. */ |
1843 | if (!(sys_path && PyList_Check (sys_path))) | |
1844 | { | |
1845 | #ifdef IS_PY3K | |
1846 | PySys_SetPath (L""); | |
1847 | #else | |
1848 | PySys_SetPath (""); | |
1849 | #endif | |
1850 | sys_path = PySys_GetObject ("path"); | |
1851 | } | |
256458bc | 1852 | if (sys_path && PyList_Check (sys_path)) |
b9516fa1 | 1853 | { |
7780f186 | 1854 | gdbpy_ref<> pythondir (PyString_FromString (gdb_pythondir.c_str ())); |
a7785f8c TT |
1855 | if (pythondir == NULL || PyList_Insert (sys_path, 0, pythondir.get ())) |
1856 | return false; | |
b9516fa1 YPK |
1857 | } |
1858 | else | |
a7785f8c | 1859 | return false; |
b9516fa1 YPK |
1860 | |
1861 | /* Import the gdb module to finish the initialization, and | |
1862 | add it to __main__ for convenience. */ | |
1863 | m = PyImport_AddModule ("__main__"); | |
1864 | if (m == NULL) | |
a7785f8c | 1865 | return false; |
b9516fa1 | 1866 | |
a7785f8c TT |
1867 | /* Keep the reference to gdb_python_module since it is in a global |
1868 | variable. */ | |
b9516fa1 YPK |
1869 | gdb_python_module = PyImport_ImportModule ("gdb"); |
1870 | if (gdb_python_module == NULL) | |
1871 | { | |
1872 | gdbpy_print_stack (); | |
41245087 DE |
1873 | /* This is passed in one call to warning so that blank lines aren't |
1874 | inserted between each line of text. */ | |
1875 | warning (_("\n" | |
1876 | "Could not load the Python gdb module from `%s'.\n" | |
1877 | "Limited Python support is available from the _gdb module.\n" | |
422186a9 | 1878 | "Suggest passing --data-directory=/path/to/gdb/data-directory."), |
a7785f8c TT |
1879 | gdb_pythondir.c_str ()); |
1880 | /* We return "success" here as we've already emitted the | |
1881 | warning. */ | |
1882 | return true; | |
b9516fa1 YPK |
1883 | } |
1884 | ||
a7785f8c TT |
1885 | return gdb_pymodule_addobject (m, "gdb", gdb_python_module) >= 0; |
1886 | } | |
b9516fa1 | 1887 | |
a7785f8c TT |
1888 | /* Perform the remaining python initializations. |
1889 | These must be done after GDB is at least mostly initialized. | |
1890 | E.g., The "info pretty-printer" command needs the "info" prefix | |
1891 | command installed. | |
1892 | This is the extension_language_ops.finish_initialization "method". */ | |
b9516fa1 | 1893 | |
a7785f8c TT |
1894 | static void |
1895 | gdbpy_finish_initialization (const struct extension_language_defn *extlang) | |
1896 | { | |
1897 | gdbpy_enter enter_py (get_current_arch (), current_language); | |
b9516fa1 | 1898 | |
a7785f8c TT |
1899 | if (!do_finish_initialization (extlang)) |
1900 | { | |
1901 | gdbpy_print_stack (); | |
1902 | warning (_("internal error: Unhandled Python exception")); | |
1903 | } | |
9dea9163 | 1904 | } |
ca30a762 | 1905 | |
6dddc817 DE |
1906 | /* Return non-zero if Python has successfully initialized. |
1907 | This is the extension_languages_ops.initialized "method". */ | |
1908 | ||
1909 | static int | |
1910 | gdbpy_initialized (const struct extension_language_defn *extlang) | |
1911 | { | |
1912 | return gdb_python_initialized; | |
1913 | } | |
1914 | ||
d57a3c85 | 1915 | #endif /* HAVE_PYTHON */ |
12453b93 TJB |
1916 | |
1917 | \f | |
1918 | ||
9dea9163 | 1919 | #ifdef HAVE_PYTHON |
12453b93 | 1920 | |
bcabf420 | 1921 | PyMethodDef python_GdbMethods[] = |
12453b93 TJB |
1922 | { |
1923 | { "history", gdbpy_history, METH_VARARGS, | |
1924 | "Get a value from history" }, | |
bc9f0842 | 1925 | { "execute", (PyCFunction) execute_gdb_command, METH_VARARGS | METH_KEYWORDS, |
751e7549 PM |
1926 | "execute (command [, from_tty] [, to_string]) -> [String]\n\ |
1927 | Evaluate command, a string, as a gdb CLI command. Optionally returns\n\ | |
1928 | a Python String containing the output of the command if to_string is\n\ | |
1929 | set to True." }, | |
8f500870 | 1930 | { "parameter", gdbpy_parameter, METH_VARARGS, |
12453b93 TJB |
1931 | "Return a gdb parameter's value" }, |
1932 | ||
adc36818 PM |
1933 | { "breakpoints", gdbpy_breakpoints, METH_NOARGS, |
1934 | "Return a tuple of all breakpoint objects" }, | |
1935 | ||
b6313243 TT |
1936 | { "default_visualizer", gdbpy_default_visualizer, METH_VARARGS, |
1937 | "Find the default visualizer for a Value." }, | |
1938 | ||
fa33c3cd DE |
1939 | { "progspaces", gdbpy_progspaces, METH_NOARGS, |
1940 | "Return a sequence of all progspaces." }, | |
1941 | ||
89c73ade TT |
1942 | { "current_objfile", gdbpy_get_current_objfile, METH_NOARGS, |
1943 | "Return the current Objfile being loaded, or None." }, | |
89c73ade | 1944 | |
d8e22779 TT |
1945 | { "newest_frame", gdbpy_newest_frame, METH_NOARGS, |
1946 | "newest_frame () -> gdb.Frame.\n\ | |
1947 | Return the newest frame object." }, | |
f8f6f20b TJB |
1948 | { "selected_frame", gdbpy_selected_frame, METH_NOARGS, |
1949 | "selected_frame () -> gdb.Frame.\n\ | |
1950 | Return the selected frame object." }, | |
1951 | { "frame_stop_reason_string", gdbpy_frame_stop_reason_string, METH_VARARGS, | |
1952 | "stop_reason_string (Integer) -> String.\n\ | |
1953 | Return a string explaining unwind stop reason." }, | |
1954 | ||
4726b2d8 TW |
1955 | { "start_recording", gdbpy_start_recording, METH_VARARGS, |
1956 | "start_recording ([method] [, format]) -> gdb.Record.\n\ | |
1957 | Start recording with the given method. If no method is given, will fall back\n\ | |
1958 | to the system default method. If no format is given, will fall back to the\n\ | |
1959 | default format for the given method."}, | |
1960 | { "current_recording", gdbpy_current_recording, METH_NOARGS, | |
1961 | "current_recording () -> gdb.Record.\n\ | |
1962 | Return current recording object." }, | |
1963 | { "stop_recording", gdbpy_stop_recording, METH_NOARGS, | |
1964 | "stop_recording () -> None.\n\ | |
1965 | Stop current recording." }, | |
1966 | ||
2c74e833 TT |
1967 | { "lookup_type", (PyCFunction) gdbpy_lookup_type, |
1968 | METH_VARARGS | METH_KEYWORDS, | |
1969 | "lookup_type (name [, block]) -> type\n\ | |
1970 | Return a Type corresponding to the given name." }, | |
f3e9a817 PM |
1971 | { "lookup_symbol", (PyCFunction) gdbpy_lookup_symbol, |
1972 | METH_VARARGS | METH_KEYWORDS, | |
1973 | "lookup_symbol (name [, block] [, domain]) -> (symbol, is_field_of_this)\n\ | |
1974 | Return a tuple with the symbol corresponding to the given name (or None) and\n\ | |
1975 | a boolean indicating if name is a field of the current implied argument\n\ | |
1976 | `this' (when the current language is object-oriented)." }, | |
6e6fbe60 DE |
1977 | { "lookup_global_symbol", (PyCFunction) gdbpy_lookup_global_symbol, |
1978 | METH_VARARGS | METH_KEYWORDS, | |
1979 | "lookup_global_symbol (name [, domain]) -> symbol\n\ | |
1980 | Return the symbol corresponding to the given name (or None)." }, | |
6dddd6a5 DE |
1981 | |
1982 | { "lookup_objfile", (PyCFunction) gdbpy_lookup_objfile, | |
1983 | METH_VARARGS | METH_KEYWORDS, | |
1984 | "lookup_objfile (name, [by_build_id]) -> objfile\n\ | |
1985 | Look up the specified objfile.\n\ | |
1986 | If by_build_id is True, the objfile is looked up by using name\n\ | |
1987 | as its build id." }, | |
1988 | ||
cb2e07a6 PM |
1989 | { "decode_line", gdbpy_decode_line, METH_VARARGS, |
1990 | "decode_line (String) -> Tuple. Decode a string argument the way\n\ | |
1991 | that 'break' or 'edit' does. Return a tuple containing two elements.\n\ | |
1992 | The first element contains any unparsed portion of the String parameter\n\ | |
1993 | (or None if the string was fully parsed). The second element contains\n\ | |
1994 | a tuple that contains all the locations that match, represented as\n\ | |
1995 | gdb.Symtab_and_line objects (or None)."}, | |
57a1d736 TT |
1996 | { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS, |
1997 | "parse_and_eval (String) -> Value.\n\ | |
1998 | Parse String as an expression, evaluate it, and return the result as a Value." | |
1999 | }, | |
2000 | ||
ca5c20b6 PM |
2001 | { "post_event", gdbpy_post_event, METH_VARARGS, |
2002 | "Post an event into gdb's event loop." }, | |
2003 | ||
f870a310 TT |
2004 | { "target_charset", gdbpy_target_charset, METH_NOARGS, |
2005 | "target_charset () -> string.\n\ | |
2006 | Return the name of the current target charset." }, | |
2007 | { "target_wide_charset", gdbpy_target_wide_charset, METH_NOARGS, | |
2008 | "target_wide_charset () -> string.\n\ | |
2009 | Return the name of the current target wide charset." }, | |
d8ae99a7 PM |
2010 | { "rbreak", (PyCFunction) gdbpy_rbreak, METH_VARARGS | METH_KEYWORDS, |
2011 | "rbreak (Regex) -> List.\n\ | |
2012 | Return a Tuple containing gdb.Breakpoint objects that match the given Regex." }, | |
07ca107c DE |
2013 | { "string_to_argv", gdbpy_string_to_argv, METH_VARARGS, |
2014 | "string_to_argv (String) -> Array.\n\ | |
2015 | Parse String and return an argv-like array.\n\ | |
2016 | Arguments are separate by spaces and may be quoted." | |
2017 | }, | |
99c3dc11 | 2018 | { "write", (PyCFunction)gdbpy_write, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 2019 | "Write a string using gdb's filtered stream." }, |
99c3dc11 | 2020 | { "flush", (PyCFunction)gdbpy_flush, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 2021 | "Flush gdb's filtered stdout stream." }, |
595939de PM |
2022 | { "selected_thread", gdbpy_selected_thread, METH_NOARGS, |
2023 | "selected_thread () -> gdb.InferiorThread.\n\ | |
2024 | Return the selected thread object." }, | |
2aa48337 KP |
2025 | { "selected_inferior", gdbpy_selected_inferior, METH_NOARGS, |
2026 | "selected_inferior () -> gdb.Inferior.\n\ | |
2027 | Return the selected inferior object." }, | |
595939de PM |
2028 | { "inferiors", gdbpy_inferiors, METH_NOARGS, |
2029 | "inferiors () -> (gdb.Inferior, ...).\n\ | |
2030 | Return a tuple containing all inferiors." }, | |
e0f3fd7c TT |
2031 | |
2032 | { "invalidate_cached_frames", gdbpy_invalidate_cached_frames, METH_NOARGS, | |
2033 | "invalidate_cached_frames () -> None.\n\ | |
2034 | Invalidate any cached frame objects in gdb.\n\ | |
2035 | Intended for internal use only." }, | |
2036 | ||
7729052b TT |
2037 | { "convenience_variable", gdbpy_convenience_variable, METH_VARARGS, |
2038 | "convenience_variable (NAME) -> value.\n\ | |
2039 | Return the value of the convenience variable $NAME,\n\ | |
2040 | or None if not set." }, | |
2041 | { "set_convenience_variable", gdbpy_set_convenience_variable, METH_VARARGS, | |
2042 | "convenience_variable (NAME, VALUE) -> None.\n\ | |
2043 | Set the value of the convenience variable $NAME." }, | |
2044 | ||
12453b93 TJB |
2045 | {NULL, NULL, 0, NULL} |
2046 | }; | |
2047 | ||
9a27f2c6 | 2048 | #ifdef IS_PY3K |
bcabf420 | 2049 | struct PyModuleDef python_GdbModuleDef = |
9a27f2c6 PK |
2050 | { |
2051 | PyModuleDef_HEAD_INIT, | |
2052 | "_gdb", | |
2053 | NULL, | |
256458bc | 2054 | -1, |
02e62830 | 2055 | python_GdbMethods, |
9a27f2c6 PK |
2056 | NULL, |
2057 | NULL, | |
2058 | NULL, | |
2059 | NULL | |
2060 | }; | |
2061 | #endif | |
7d221d74 TT |
2062 | |
2063 | /* Define all the event objects. */ | |
2064 | #define GDB_PY_DEFINE_EVENT_TYPE(name, py_name, doc, base) \ | |
2065 | PyTypeObject name##_event_object_type \ | |
2066 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object") \ | |
2067 | = { \ | |
2068 | PyVarObject_HEAD_INIT (NULL, 0) \ | |
2069 | "gdb." py_name, /* tp_name */ \ | |
2070 | sizeof (event_object), /* tp_basicsize */ \ | |
2071 | 0, /* tp_itemsize */ \ | |
2072 | evpy_dealloc, /* tp_dealloc */ \ | |
2073 | 0, /* tp_print */ \ | |
2074 | 0, /* tp_getattr */ \ | |
2075 | 0, /* tp_setattr */ \ | |
2076 | 0, /* tp_compare */ \ | |
2077 | 0, /* tp_repr */ \ | |
2078 | 0, /* tp_as_number */ \ | |
2079 | 0, /* tp_as_sequence */ \ | |
2080 | 0, /* tp_as_mapping */ \ | |
2081 | 0, /* tp_hash */ \ | |
2082 | 0, /* tp_call */ \ | |
2083 | 0, /* tp_str */ \ | |
2084 | 0, /* tp_getattro */ \ | |
2085 | 0, /* tp_setattro */ \ | |
2086 | 0, /* tp_as_buffer */ \ | |
2087 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ \ | |
2088 | doc, /* tp_doc */ \ | |
2089 | 0, /* tp_traverse */ \ | |
2090 | 0, /* tp_clear */ \ | |
2091 | 0, /* tp_richcompare */ \ | |
2092 | 0, /* tp_weaklistoffset */ \ | |
2093 | 0, /* tp_iter */ \ | |
2094 | 0, /* tp_iternext */ \ | |
2095 | 0, /* tp_methods */ \ | |
2096 | 0, /* tp_members */ \ | |
2097 | 0, /* tp_getset */ \ | |
2098 | &base, /* tp_base */ \ | |
2099 | 0, /* tp_dict */ \ | |
2100 | 0, /* tp_descr_get */ \ | |
2101 | 0, /* tp_descr_set */ \ | |
2102 | 0, /* tp_dictoffset */ \ | |
2103 | 0, /* tp_init */ \ | |
2104 | 0 /* tp_alloc */ \ | |
2105 | }; | |
2106 | #include "py-event-types.def" | |
2107 | #undef GDB_PY_DEFINE_EVENT_TYPE | |
2108 | ||
12453b93 | 2109 | #endif /* HAVE_PYTHON */ |