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d57a3c85 TJB |
1 | /* General python/gdb code |
2 | ||
0b302171 | 3 | Copyright (C) 2008-2012 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" | |
d9c57d9f | 30 | #include "exceptions.h" |
ca5c20b6 | 31 | #include "event-loop.h" |
4a532131 | 32 | #include "serial.h" |
3ab1ec27 | 33 | #include "readline/tilde.h" |
7371cf6d | 34 | #include "python.h" |
d57a3c85 TJB |
35 | |
36 | #include <ctype.h> | |
37 | ||
80b6e756 PM |
38 | /* Declared constants and enum for python stack printing. */ |
39 | static const char python_excp_none[] = "none"; | |
40 | static const char python_excp_full[] = "full"; | |
41 | static const char python_excp_message[] = "message"; | |
42 | ||
43 | /* "set python print-stack" choices. */ | |
40478521 | 44 | static const char *const python_excp_enums[] = |
80b6e756 PM |
45 | { |
46 | python_excp_none, | |
47 | python_excp_full, | |
48 | python_excp_message, | |
49 | NULL | |
50 | }; | |
51 | ||
52 | /* The exception printing variable. 'full' if we want to print the | |
53 | error message and stack, 'none' if we want to print nothing, and | |
54 | 'message' if we only want to print the error message. 'message' is | |
55 | the default. */ | |
56 | static const char *gdbpy_should_print_stack = python_excp_message; | |
d57a3c85 TJB |
57 | |
58 | #ifdef HAVE_PYTHON | |
59 | ||
d57a3c85 TJB |
60 | #include "libiberty.h" |
61 | #include "cli/cli-decode.h" | |
62 | #include "charset.h" | |
63 | #include "top.h" | |
cb2e07a6 | 64 | #include "solib.h" |
d57a3c85 | 65 | #include "python-internal.h" |
cb2e07a6 PM |
66 | #include "linespec.h" |
67 | #include "source.h" | |
d57a3c85 TJB |
68 | #include "version.h" |
69 | #include "target.h" | |
70 | #include "gdbthread.h" | |
d17b6f81 | 71 | #include "observer.h" |
b4a14fd0 | 72 | #include "interps.h" |
d57a3c85 | 73 | |
12453b93 | 74 | static PyMethodDef GdbMethods[]; |
d57a3c85 TJB |
75 | |
76 | PyObject *gdb_module; | |
b9516fa1 | 77 | PyObject *gdb_python_module; |
d57a3c85 | 78 | |
a6bac58e TT |
79 | /* Some string constants we may wish to use. */ |
80 | PyObject *gdbpy_to_string_cst; | |
81 | PyObject *gdbpy_children_cst; | |
82 | PyObject *gdbpy_display_hint_cst; | |
d8906c6f | 83 | PyObject *gdbpy_doc_cst; |
967cf477 | 84 | PyObject *gdbpy_enabled_cst; |
fb6a3ed3 | 85 | PyObject *gdbpy_value_cst; |
d8906c6f | 86 | |
07ca107c DE |
87 | /* The GdbError exception. */ |
88 | PyObject *gdbpy_gdberror_exc; | |
d452c4bc | 89 | |
621c8364 TT |
90 | /* The `gdb.error' base class. */ |
91 | PyObject *gdbpy_gdb_error; | |
92 | ||
93 | /* The `gdb.MemoryError' exception. */ | |
94 | PyObject *gdbpy_gdb_memory_error; | |
95 | ||
d452c4bc UW |
96 | /* Architecture and language to be used in callbacks from |
97 | the Python interpreter. */ | |
98 | struct gdbarch *python_gdbarch; | |
99 | const struct language_defn *python_language; | |
100 | ||
101 | /* Restore global language and architecture and Python GIL state | |
102 | when leaving the Python interpreter. */ | |
103 | ||
104 | struct python_env | |
105 | { | |
106 | PyGILState_STATE state; | |
107 | struct gdbarch *gdbarch; | |
108 | const struct language_defn *language; | |
8dc78533 | 109 | PyObject *error_type, *error_value, *error_traceback; |
d452c4bc UW |
110 | }; |
111 | ||
112 | static void | |
113 | restore_python_env (void *p) | |
114 | { | |
115 | struct python_env *env = (struct python_env *)p; | |
d59b6f6c | 116 | |
8dc78533 JK |
117 | /* Leftover Python error is forbidden by Python Exception Handling. */ |
118 | if (PyErr_Occurred ()) | |
119 | { | |
120 | /* This order is similar to the one calling error afterwards. */ | |
121 | gdbpy_print_stack (); | |
122 | warning (_("internal error: Unhandled Python exception")); | |
123 | } | |
124 | ||
125 | PyErr_Restore (env->error_type, env->error_value, env->error_traceback); | |
126 | ||
d452c4bc UW |
127 | PyGILState_Release (env->state); |
128 | python_gdbarch = env->gdbarch; | |
129 | python_language = env->language; | |
130 | xfree (env); | |
131 | } | |
132 | ||
133 | /* Called before entering the Python interpreter to install the | |
134 | current language and architecture to be used for Python values. */ | |
135 | ||
136 | struct cleanup * | |
137 | ensure_python_env (struct gdbarch *gdbarch, | |
138 | const struct language_defn *language) | |
139 | { | |
140 | struct python_env *env = xmalloc (sizeof *env); | |
141 | ||
142 | env->state = PyGILState_Ensure (); | |
143 | env->gdbarch = python_gdbarch; | |
144 | env->language = python_language; | |
145 | ||
146 | python_gdbarch = gdbarch; | |
147 | python_language = language; | |
148 | ||
8dc78533 JK |
149 | /* Save it and ensure ! PyErr_Occurred () afterwards. */ |
150 | PyErr_Fetch (&env->error_type, &env->error_value, &env->error_traceback); | |
151 | ||
d452c4bc UW |
152 | return make_cleanup (restore_python_env, env); |
153 | } | |
154 | ||
522002f9 TT |
155 | /* Clear the quit flag. */ |
156 | ||
157 | void | |
158 | clear_quit_flag (void) | |
159 | { | |
160 | /* This clears the flag as a side effect. */ | |
161 | PyOS_InterruptOccurred (); | |
162 | } | |
163 | ||
164 | /* Set the quit flag. */ | |
165 | ||
166 | void | |
167 | set_quit_flag (void) | |
168 | { | |
169 | PyErr_SetInterrupt (); | |
170 | } | |
171 | ||
172 | /* Return true if the quit flag has been set, false otherwise. */ | |
173 | ||
174 | int | |
175 | check_quit_flag (void) | |
176 | { | |
177 | return PyOS_InterruptOccurred (); | |
178 | } | |
179 | ||
8315665e YPK |
180 | /* Evaluate a Python command like PyRun_SimpleString, but uses |
181 | Py_single_input which prints the result of expressions, and does | |
182 | not automatically print the stack on errors. */ | |
183 | ||
184 | static int | |
185 | eval_python_command (const char *command) | |
186 | { | |
187 | PyObject *m, *d, *v; | |
188 | ||
189 | m = PyImport_AddModule ("__main__"); | |
190 | if (m == NULL) | |
191 | return -1; | |
192 | ||
193 | d = PyModule_GetDict (m); | |
194 | if (d == NULL) | |
195 | return -1; | |
196 | v = PyRun_StringFlags (command, Py_single_input, d, d, NULL); | |
197 | if (v == NULL) | |
198 | return -1; | |
199 | ||
200 | Py_DECREF (v); | |
201 | if (Py_FlushLine ()) | |
202 | PyErr_Clear (); | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
207 | /* Implementation of the gdb "python-interactive" command. */ | |
208 | ||
209 | static void | |
210 | python_interactive_command (char *arg, int from_tty) | |
211 | { | |
212 | struct cleanup *cleanup; | |
213 | int err; | |
214 | ||
215 | cleanup = make_cleanup_restore_integer (&interpreter_async); | |
216 | interpreter_async = 0; | |
217 | ||
218 | while (arg && *arg && isspace (*arg)) | |
219 | ++arg; | |
220 | ||
221 | ensure_python_env (get_current_arch (), current_language); | |
222 | ||
223 | if (arg && *arg) | |
224 | { | |
225 | int len = strlen (arg); | |
226 | char *script = xmalloc (len + 2); | |
227 | ||
228 | strcpy (script, arg); | |
229 | script[len] = '\n'; | |
230 | script[len + 1] = '\0'; | |
231 | err = eval_python_command (script); | |
232 | xfree (script); | |
233 | } | |
234 | else | |
235 | { | |
236 | err = PyRun_InteractiveLoop (instream, "<stdin>"); | |
237 | dont_repeat (); | |
238 | } | |
239 | ||
240 | if (err) | |
241 | { | |
242 | gdbpy_print_stack (); | |
243 | error (_("Error while executing Python code.")); | |
244 | } | |
245 | ||
246 | do_cleanups (cleanup); | |
247 | } | |
248 | ||
4c63965b JK |
249 | /* A wrapper around PyRun_SimpleFile. FILE is the Python script to run |
250 | named FILENAME. | |
251 | ||
252 | On Windows hosts few users would build Python themselves (this is no | |
253 | trivial task on this platform), and thus use binaries built by | |
254 | someone else instead. There may happen situation where the Python | |
255 | library and GDB are using two different versions of the C runtime | |
256 | library. Python, being built with VC, would use one version of the | |
257 | msvcr DLL (Eg. msvcr100.dll), while MinGW uses msvcrt.dll. | |
258 | A FILE * from one runtime does not necessarily operate correctly in | |
7ed7d719 JB |
259 | the other runtime. |
260 | ||
4c63965b JK |
261 | To work around this potential issue, we create on Windows hosts the |
262 | FILE object using Python routines, thus making sure that it is | |
263 | compatible with the Python library. */ | |
7ed7d719 JB |
264 | |
265 | static void | |
4c63965b | 266 | python_run_simple_file (FILE *file, const char *filename) |
7ed7d719 | 267 | { |
4c63965b JK |
268 | #ifndef _WIN32 |
269 | ||
270 | PyRun_SimpleFile (file, filename); | |
271 | ||
272 | #else /* _WIN32 */ | |
273 | ||
3ab1ec27 | 274 | char *full_path; |
7ed7d719 JB |
275 | PyObject *python_file; |
276 | struct cleanup *cleanup; | |
277 | ||
3ab1ec27 PM |
278 | /* Because we have a string for a filename, and are using Python to |
279 | open the file, we need to expand any tilde in the path first. */ | |
280 | full_path = tilde_expand (filename); | |
281 | cleanup = make_cleanup (xfree, full_path); | |
282 | python_file = PyFile_FromString (full_path, "r"); | |
283 | if (! python_file) | |
284 | { | |
285 | do_cleanups (cleanup); | |
286 | gdbpy_print_stack (); | |
287 | error (_("Error while opening file: %s"), full_path); | |
288 | } | |
289 | ||
7ed7d719 JB |
290 | make_cleanup_py_decref (python_file); |
291 | PyRun_SimpleFile (PyFile_AsFile (python_file), filename); | |
292 | do_cleanups (cleanup); | |
4c63965b JK |
293 | |
294 | #endif /* _WIN32 */ | |
7ed7d719 | 295 | } |
d452c4bc | 296 | |
d57a3c85 TJB |
297 | /* Given a command_line, return a command string suitable for passing |
298 | to Python. Lines in the string are separated by newlines. The | |
299 | return value is allocated using xmalloc and the caller is | |
300 | responsible for freeing it. */ | |
301 | ||
302 | static char * | |
303 | compute_python_string (struct command_line *l) | |
304 | { | |
305 | struct command_line *iter; | |
306 | char *script = NULL; | |
307 | int size = 0; | |
308 | int here; | |
309 | ||
310 | for (iter = l; iter; iter = iter->next) | |
311 | size += strlen (iter->line) + 1; | |
312 | ||
313 | script = xmalloc (size + 1); | |
314 | here = 0; | |
315 | for (iter = l; iter; iter = iter->next) | |
316 | { | |
317 | int len = strlen (iter->line); | |
d59b6f6c | 318 | |
d57a3c85 TJB |
319 | strcpy (&script[here], iter->line); |
320 | here += len; | |
321 | script[here++] = '\n'; | |
322 | } | |
323 | script[here] = '\0'; | |
324 | return script; | |
325 | } | |
326 | ||
327 | /* Take a command line structure representing a 'python' command, and | |
328 | evaluate its body using the Python interpreter. */ | |
329 | ||
330 | void | |
331 | eval_python_from_control_command (struct command_line *cmd) | |
332 | { | |
12453b93 | 333 | int ret; |
d57a3c85 | 334 | char *script; |
ca30a762 | 335 | struct cleanup *cleanup; |
d57a3c85 TJB |
336 | |
337 | if (cmd->body_count != 1) | |
338 | error (_("Invalid \"python\" block structure.")); | |
339 | ||
d452c4bc | 340 | cleanup = ensure_python_env (get_current_arch (), current_language); |
ca30a762 | 341 | |
d57a3c85 | 342 | script = compute_python_string (cmd->body_list[0]); |
12453b93 | 343 | ret = PyRun_SimpleString (script); |
d57a3c85 | 344 | xfree (script); |
12453b93 | 345 | if (ret) |
80b6e756 | 346 | error (_("Error while executing Python code.")); |
ca30a762 TT |
347 | |
348 | do_cleanups (cleanup); | |
d57a3c85 TJB |
349 | } |
350 | ||
351 | /* Implementation of the gdb "python" command. */ | |
352 | ||
353 | static void | |
354 | python_command (char *arg, int from_tty) | |
355 | { | |
ca30a762 | 356 | struct cleanup *cleanup; |
ca30a762 | 357 | |
d59b6f6c | 358 | cleanup = ensure_python_env (get_current_arch (), current_language); |
b4a14fd0 PA |
359 | |
360 | make_cleanup_restore_integer (&interpreter_async); | |
361 | interpreter_async = 0; | |
362 | ||
d57a3c85 TJB |
363 | while (arg && *arg && isspace (*arg)) |
364 | ++arg; | |
365 | if (arg && *arg) | |
366 | { | |
12453b93 | 367 | if (PyRun_SimpleString (arg)) |
80b6e756 | 368 | error (_("Error while executing Python code.")); |
d57a3c85 TJB |
369 | } |
370 | else | |
371 | { | |
372 | struct command_line *l = get_command_line (python_control, ""); | |
d59b6f6c | 373 | |
ca30a762 | 374 | make_cleanup_free_command_lines (&l); |
d57a3c85 | 375 | execute_control_command_untraced (l); |
d57a3c85 | 376 | } |
ca30a762 TT |
377 | |
378 | do_cleanups (cleanup); | |
d57a3c85 TJB |
379 | } |
380 | ||
381 | \f | |
382 | ||
383 | /* Transform a gdb parameters's value into a Python value. May return | |
384 | NULL (and set a Python exception) on error. Helper function for | |
385 | get_parameter. */ | |
d7b32ed3 PM |
386 | PyObject * |
387 | gdbpy_parameter_value (enum var_types type, void *var) | |
d57a3c85 | 388 | { |
d7b32ed3 | 389 | switch (type) |
d57a3c85 TJB |
390 | { |
391 | case var_string: | |
392 | case var_string_noescape: | |
393 | case var_optional_filename: | |
394 | case var_filename: | |
395 | case var_enum: | |
396 | { | |
d7b32ed3 | 397 | char *str = * (char **) var; |
d59b6f6c | 398 | |
d57a3c85 TJB |
399 | if (! str) |
400 | str = ""; | |
401 | return PyString_Decode (str, strlen (str), host_charset (), NULL); | |
402 | } | |
403 | ||
404 | case var_boolean: | |
405 | { | |
d7b32ed3 | 406 | if (* (int *) var) |
d57a3c85 TJB |
407 | Py_RETURN_TRUE; |
408 | else | |
409 | Py_RETURN_FALSE; | |
410 | } | |
411 | ||
412 | case var_auto_boolean: | |
413 | { | |
d7b32ed3 | 414 | enum auto_boolean ab = * (enum auto_boolean *) var; |
d59b6f6c | 415 | |
d57a3c85 TJB |
416 | if (ab == AUTO_BOOLEAN_TRUE) |
417 | Py_RETURN_TRUE; | |
418 | else if (ab == AUTO_BOOLEAN_FALSE) | |
419 | Py_RETURN_FALSE; | |
420 | else | |
421 | Py_RETURN_NONE; | |
422 | } | |
423 | ||
424 | case var_integer: | |
d7b32ed3 | 425 | if ((* (int *) var) == INT_MAX) |
d57a3c85 TJB |
426 | Py_RETURN_NONE; |
427 | /* Fall through. */ | |
428 | case var_zinteger: | |
d7b32ed3 | 429 | return PyLong_FromLong (* (int *) var); |
d57a3c85 TJB |
430 | |
431 | case var_uinteger: | |
432 | { | |
d7b32ed3 | 433 | unsigned int val = * (unsigned int *) var; |
d59b6f6c | 434 | |
d57a3c85 TJB |
435 | if (val == UINT_MAX) |
436 | Py_RETURN_NONE; | |
437 | return PyLong_FromUnsignedLong (val); | |
438 | } | |
439 | } | |
440 | ||
044c0f87 PM |
441 | return PyErr_Format (PyExc_RuntimeError, |
442 | _("Programmer error: unhandled type.")); | |
d57a3c85 TJB |
443 | } |
444 | ||
445 | /* A Python function which returns a gdb parameter's value as a Python | |
446 | value. */ | |
447 | ||
d7b32ed3 | 448 | PyObject * |
8f500870 | 449 | gdbpy_parameter (PyObject *self, PyObject *args) |
d57a3c85 TJB |
450 | { |
451 | struct cmd_list_element *alias, *prefix, *cmd; | |
ddd49eee TT |
452 | const char *arg; |
453 | char *newarg; | |
cc924cad | 454 | int found = -1; |
d57a3c85 TJB |
455 | volatile struct gdb_exception except; |
456 | ||
457 | if (! PyArg_ParseTuple (args, "s", &arg)) | |
458 | return NULL; | |
459 | ||
460 | newarg = concat ("show ", arg, (char *) NULL); | |
461 | ||
462 | TRY_CATCH (except, RETURN_MASK_ALL) | |
463 | { | |
cc924cad | 464 | found = lookup_cmd_composition (newarg, &alias, &prefix, &cmd); |
d57a3c85 TJB |
465 | } |
466 | xfree (newarg); | |
467 | GDB_PY_HANDLE_EXCEPTION (except); | |
cc924cad TJB |
468 | if (!found) |
469 | return PyErr_Format (PyExc_RuntimeError, | |
044c0f87 | 470 | _("Could not find parameter `%s'."), arg); |
d57a3c85 TJB |
471 | |
472 | if (! cmd->var) | |
044c0f87 PM |
473 | return PyErr_Format (PyExc_RuntimeError, |
474 | _("`%s' is not a parameter."), arg); | |
d7b32ed3 | 475 | return gdbpy_parameter_value (cmd->var_type, cmd->var); |
d57a3c85 TJB |
476 | } |
477 | ||
f870a310 TT |
478 | /* Wrapper for target_charset. */ |
479 | ||
480 | static PyObject * | |
481 | gdbpy_target_charset (PyObject *self, PyObject *args) | |
482 | { | |
483 | const char *cset = target_charset (python_gdbarch); | |
d59b6f6c | 484 | |
f870a310 TT |
485 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
486 | } | |
487 | ||
488 | /* Wrapper for target_wide_charset. */ | |
489 | ||
490 | static PyObject * | |
491 | gdbpy_target_wide_charset (PyObject *self, PyObject *args) | |
492 | { | |
493 | const char *cset = target_wide_charset (python_gdbarch); | |
d59b6f6c | 494 | |
f870a310 TT |
495 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
496 | } | |
497 | ||
d57a3c85 TJB |
498 | /* A Python function which evaluates a string using the gdb CLI. */ |
499 | ||
500 | static PyObject * | |
bc9f0842 | 501 | execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 502 | { |
ddd49eee | 503 | const char *arg; |
bc9f0842 TT |
504 | PyObject *from_tty_obj = NULL, *to_string_obj = NULL; |
505 | int from_tty, to_string; | |
d57a3c85 | 506 | volatile struct gdb_exception except; |
bc9f0842 TT |
507 | static char *keywords[] = {"command", "from_tty", "to_string", NULL }; |
508 | char *result = NULL; | |
d57a3c85 | 509 | |
bc9f0842 TT |
510 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O!O!", keywords, &arg, |
511 | &PyBool_Type, &from_tty_obj, | |
512 | &PyBool_Type, &to_string_obj)) | |
d57a3c85 TJB |
513 | return NULL; |
514 | ||
12453b93 TJB |
515 | from_tty = 0; |
516 | if (from_tty_obj) | |
517 | { | |
bc9f0842 | 518 | int cmp = PyObject_IsTrue (from_tty_obj); |
12453b93 | 519 | if (cmp < 0) |
bc9f0842 | 520 | return NULL; |
12453b93 TJB |
521 | from_tty = cmp; |
522 | } | |
523 | ||
bc9f0842 TT |
524 | to_string = 0; |
525 | if (to_string_obj) | |
526 | { | |
527 | int cmp = PyObject_IsTrue (to_string_obj); | |
528 | if (cmp < 0) | |
529 | return NULL; | |
530 | to_string = cmp; | |
531 | } | |
532 | ||
d57a3c85 TJB |
533 | TRY_CATCH (except, RETURN_MASK_ALL) |
534 | { | |
86c6265d TT |
535 | /* Copy the argument text in case the command modifies it. */ |
536 | char *copy = xstrdup (arg); | |
537 | struct cleanup *cleanup = make_cleanup (xfree, copy); | |
bc9f0842 | 538 | |
b4a14fd0 PA |
539 | make_cleanup_restore_integer (&interpreter_async); |
540 | interpreter_async = 0; | |
541 | ||
47a80e90 | 542 | prevent_dont_repeat (); |
bc9f0842 | 543 | if (to_string) |
5da1313b JK |
544 | result = execute_command_to_string (copy, from_tty); |
545 | else | |
bc9f0842 | 546 | { |
5da1313b JK |
547 | result = NULL; |
548 | execute_command (copy, from_tty); | |
bc9f0842 | 549 | } |
d59b6f6c | 550 | |
86c6265d | 551 | do_cleanups (cleanup); |
d57a3c85 TJB |
552 | } |
553 | GDB_PY_HANDLE_EXCEPTION (except); | |
554 | ||
347bddb7 PA |
555 | /* Do any commands attached to breakpoint we stopped at. */ |
556 | bpstat_do_actions (); | |
d57a3c85 | 557 | |
bc9f0842 TT |
558 | if (result) |
559 | { | |
560 | PyObject *r = PyString_FromString (result); | |
561 | xfree (result); | |
562 | return r; | |
563 | } | |
d57a3c85 TJB |
564 | Py_RETURN_NONE; |
565 | } | |
566 | ||
cb2e07a6 PM |
567 | /* Implementation of gdb.solib_name (Long) -> String. |
568 | Returns the name of the shared library holding a given address, or None. */ | |
569 | ||
570 | static PyObject * | |
571 | gdbpy_solib_name (PyObject *self, PyObject *args) | |
572 | { | |
573 | char *soname; | |
574 | PyObject *str_obj; | |
74aedc46 TT |
575 | gdb_py_longest pc; |
576 | ||
577 | if (!PyArg_ParseTuple (args, GDB_PY_LL_ARG, &pc)) | |
cb2e07a6 PM |
578 | return NULL; |
579 | ||
580 | soname = solib_name_from_address (current_program_space, pc); | |
581 | if (soname) | |
582 | str_obj = PyString_Decode (soname, strlen (soname), host_charset (), NULL); | |
583 | else | |
584 | { | |
585 | str_obj = Py_None; | |
586 | Py_INCREF (Py_None); | |
587 | } | |
588 | ||
589 | return str_obj; | |
590 | } | |
591 | ||
592 | /* A Python function which is a wrapper for decode_line_1. */ | |
593 | ||
594 | static PyObject * | |
595 | gdbpy_decode_line (PyObject *self, PyObject *args) | |
596 | { | |
9a2b4c1b MS |
597 | struct symtabs_and_lines sals = { NULL, 0 }; /* Initialize to |
598 | appease gcc. */ | |
cb2e07a6 | 599 | struct symtab_and_line sal; |
ddd49eee | 600 | const char *arg = NULL; |
9bc3523d | 601 | char *copy_to_free = NULL, *copy = NULL; |
cb2e07a6 PM |
602 | struct cleanup *cleanups; |
603 | PyObject *result = NULL; | |
604 | PyObject *return_result = NULL; | |
605 | PyObject *unparsed = NULL; | |
606 | volatile struct gdb_exception except; | |
607 | ||
608 | if (! PyArg_ParseTuple (args, "|s", &arg)) | |
609 | return NULL; | |
610 | ||
5d9c5995 | 611 | cleanups = make_cleanup (null_cleanup, NULL); |
cb2e07a6 | 612 | |
9bc3523d | 613 | sals.sals = NULL; |
cb2e07a6 PM |
614 | TRY_CATCH (except, RETURN_MASK_ALL) |
615 | { | |
616 | if (arg) | |
617 | { | |
ddd49eee | 618 | copy = xstrdup (arg); |
9bc3523d | 619 | copy_to_free = copy; |
f8eba3c6 | 620 | sals = decode_line_1 (©, 0, 0, 0); |
cb2e07a6 PM |
621 | } |
622 | else | |
623 | { | |
624 | set_default_source_symtab_and_line (); | |
625 | sal = get_current_source_symtab_and_line (); | |
626 | sals.sals = &sal; | |
627 | sals.nelts = 1; | |
628 | } | |
629 | } | |
9bc3523d TT |
630 | |
631 | if (sals.sals != NULL && sals.sals != &sal) | |
632 | { | |
633 | make_cleanup (xfree, copy_to_free); | |
634 | make_cleanup (xfree, sals.sals); | |
635 | } | |
636 | ||
cb2e07a6 PM |
637 | if (except.reason < 0) |
638 | { | |
639 | do_cleanups (cleanups); | |
640 | /* We know this will always throw. */ | |
641 | GDB_PY_HANDLE_EXCEPTION (except); | |
642 | } | |
643 | ||
644 | if (sals.nelts) | |
645 | { | |
646 | int i; | |
647 | ||
648 | result = PyTuple_New (sals.nelts); | |
649 | if (! result) | |
650 | goto error; | |
651 | for (i = 0; i < sals.nelts; ++i) | |
652 | { | |
653 | PyObject *obj; | |
cb2e07a6 PM |
654 | |
655 | obj = symtab_and_line_to_sal_object (sals.sals[i]); | |
656 | if (! obj) | |
657 | { | |
658 | Py_DECREF (result); | |
659 | goto error; | |
660 | } | |
661 | ||
662 | PyTuple_SetItem (result, i, obj); | |
663 | } | |
664 | } | |
665 | else | |
666 | { | |
667 | result = Py_None; | |
668 | Py_INCREF (Py_None); | |
669 | } | |
670 | ||
671 | return_result = PyTuple_New (2); | |
672 | if (! return_result) | |
673 | { | |
674 | Py_DECREF (result); | |
675 | goto error; | |
676 | } | |
677 | ||
678 | if (copy && strlen (copy) > 0) | |
9bc3523d TT |
679 | { |
680 | unparsed = PyString_FromString (copy); | |
681 | if (unparsed == NULL) | |
682 | { | |
683 | Py_DECREF (result); | |
684 | Py_DECREF (return_result); | |
685 | return_result = NULL; | |
686 | goto error; | |
687 | } | |
688 | } | |
cb2e07a6 PM |
689 | else |
690 | { | |
691 | unparsed = Py_None; | |
692 | Py_INCREF (Py_None); | |
693 | } | |
694 | ||
695 | PyTuple_SetItem (return_result, 0, unparsed); | |
696 | PyTuple_SetItem (return_result, 1, result); | |
697 | ||
9bc3523d | 698 | error: |
cb2e07a6 PM |
699 | do_cleanups (cleanups); |
700 | ||
701 | return return_result; | |
cb2e07a6 PM |
702 | } |
703 | ||
57a1d736 TT |
704 | /* Parse a string and evaluate it as an expression. */ |
705 | static PyObject * | |
706 | gdbpy_parse_and_eval (PyObject *self, PyObject *args) | |
707 | { | |
ddd49eee | 708 | const char *expr_str; |
57a1d736 TT |
709 | struct value *result = NULL; |
710 | volatile struct gdb_exception except; | |
711 | ||
712 | if (!PyArg_ParseTuple (args, "s", &expr_str)) | |
713 | return NULL; | |
714 | ||
715 | TRY_CATCH (except, RETURN_MASK_ALL) | |
716 | { | |
ddd49eee TT |
717 | char *copy = xstrdup (expr_str); |
718 | struct cleanup *cleanup = make_cleanup (xfree, copy); | |
719 | ||
720 | result = parse_and_eval (copy); | |
721 | do_cleanups (cleanup); | |
57a1d736 TT |
722 | } |
723 | GDB_PY_HANDLE_EXCEPTION (except); | |
724 | ||
725 | return value_to_value_object (result); | |
726 | } | |
727 | ||
7efc75aa SCR |
728 | /* Implementation of gdb.find_pc_line function. |
729 | Returns the gdb.Symtab_and_line object corresponding to a PC value. */ | |
730 | ||
731 | static PyObject * | |
732 | gdbpy_find_pc_line (PyObject *self, PyObject *args) | |
733 | { | |
734 | struct symtab_and_line sal; | |
735 | CORE_ADDR pc; | |
29ca12b3 | 736 | gdb_py_ulongest pc_llu; |
7efc75aa SCR |
737 | |
738 | if (!PyArg_ParseTuple (args, GDB_PY_LLU_ARG, &pc_llu)) | |
739 | return NULL; | |
740 | ||
741 | pc = (CORE_ADDR) pc_llu; | |
742 | sal = find_pc_line (pc, 0); | |
743 | return symtab_and_line_to_sal_object (sal); | |
744 | } | |
745 | ||
d234ef5c | 746 | /* Read a file as Python code. |
4c63965b | 747 | FILE is the file to run. FILENAME is name of the file FILE. |
d234ef5c DE |
748 | This does not throw any errors. If an exception occurs python will print |
749 | the traceback and clear the error indicator. */ | |
973817a3 JB |
750 | |
751 | void | |
4c63965b | 752 | source_python_script (FILE *file, const char *filename) |
973817a3 | 753 | { |
eb5cda86 | 754 | struct cleanup *cleanup; |
973817a3 | 755 | |
eb5cda86 | 756 | cleanup = ensure_python_env (get_current_arch (), current_language); |
4c63965b | 757 | python_run_simple_file (file, filename); |
eb5cda86 | 758 | do_cleanups (cleanup); |
973817a3 JB |
759 | } |
760 | ||
d57a3c85 TJB |
761 | \f |
762 | ||
ca5c20b6 PM |
763 | /* Posting and handling events. */ |
764 | ||
765 | /* A single event. */ | |
766 | struct gdbpy_event | |
767 | { | |
768 | /* The Python event. This is just a callable object. */ | |
769 | PyObject *event; | |
770 | /* The next event. */ | |
771 | struct gdbpy_event *next; | |
772 | }; | |
773 | ||
774 | /* All pending events. */ | |
775 | static struct gdbpy_event *gdbpy_event_list; | |
776 | /* The final link of the event list. */ | |
777 | static struct gdbpy_event **gdbpy_event_list_end; | |
778 | ||
779 | /* We use a file handler, and not an async handler, so that we can | |
780 | wake up the main thread even when it is blocked in poll(). */ | |
4a532131 | 781 | static struct serial *gdbpy_event_fds[2]; |
ca5c20b6 PM |
782 | |
783 | /* The file handler callback. This reads from the internal pipe, and | |
784 | then processes the Python event queue. This will always be run in | |
785 | the main gdb thread. */ | |
4a532131 | 786 | |
ca5c20b6 | 787 | static void |
4a532131 | 788 | gdbpy_run_events (struct serial *scb, void *context) |
ca5c20b6 PM |
789 | { |
790 | struct cleanup *cleanup; | |
ca5c20b6 PM |
791 | |
792 | cleanup = ensure_python_env (get_current_arch (), current_language); | |
793 | ||
4a532131 PA |
794 | /* Flush the fd. Do this before flushing the events list, so that |
795 | any new event post afterwards is sure to re-awake the event | |
796 | loop. */ | |
797 | while (serial_readchar (gdbpy_event_fds[0], 0) >= 0) | |
798 | ; | |
ca5c20b6 PM |
799 | |
800 | while (gdbpy_event_list) | |
801 | { | |
802 | /* Dispatching the event might push a new element onto the event | |
803 | loop, so we update here "atomically enough". */ | |
804 | struct gdbpy_event *item = gdbpy_event_list; | |
805 | gdbpy_event_list = gdbpy_event_list->next; | |
806 | if (gdbpy_event_list == NULL) | |
807 | gdbpy_event_list_end = &gdbpy_event_list; | |
808 | ||
809 | /* Ignore errors. */ | |
810 | if (PyObject_CallObject (item->event, NULL) == NULL) | |
811 | PyErr_Clear (); | |
812 | ||
813 | Py_DECREF (item->event); | |
814 | xfree (item); | |
815 | } | |
816 | ||
817 | do_cleanups (cleanup); | |
818 | } | |
819 | ||
820 | /* Submit an event to the gdb thread. */ | |
821 | static PyObject * | |
822 | gdbpy_post_event (PyObject *self, PyObject *args) | |
823 | { | |
824 | struct gdbpy_event *event; | |
825 | PyObject *func; | |
826 | int wakeup; | |
827 | ||
828 | if (!PyArg_ParseTuple (args, "O", &func)) | |
829 | return NULL; | |
830 | ||
831 | if (!PyCallable_Check (func)) | |
832 | { | |
833 | PyErr_SetString (PyExc_RuntimeError, | |
834 | _("Posted event is not callable")); | |
835 | return NULL; | |
836 | } | |
837 | ||
838 | Py_INCREF (func); | |
839 | ||
840 | /* From here until the end of the function, we have the GIL, so we | |
841 | can operate on our global data structures without worrying. */ | |
842 | wakeup = gdbpy_event_list == NULL; | |
843 | ||
844 | event = XNEW (struct gdbpy_event); | |
845 | event->event = func; | |
846 | event->next = NULL; | |
847 | *gdbpy_event_list_end = event; | |
848 | gdbpy_event_list_end = &event->next; | |
849 | ||
850 | /* Wake up gdb when needed. */ | |
851 | if (wakeup) | |
852 | { | |
853 | char c = 'q'; /* Anything. */ | |
4a532131 PA |
854 | |
855 | if (serial_write (gdbpy_event_fds[1], &c, 1)) | |
ca5c20b6 PM |
856 | return PyErr_SetFromErrno (PyExc_IOError); |
857 | } | |
858 | ||
859 | Py_RETURN_NONE; | |
860 | } | |
861 | ||
862 | /* Initialize the Python event handler. */ | |
863 | static void | |
864 | gdbpy_initialize_events (void) | |
865 | { | |
4a532131 | 866 | if (serial_pipe (gdbpy_event_fds) == 0) |
ca5c20b6 PM |
867 | { |
868 | gdbpy_event_list_end = &gdbpy_event_list; | |
4a532131 | 869 | serial_async (gdbpy_event_fds[0], gdbpy_run_events, NULL); |
ca5c20b6 PM |
870 | } |
871 | } | |
872 | ||
d17b6f81 PM |
873 | \f |
874 | ||
875 | static void | |
876 | before_prompt_hook (const char *current_gdb_prompt) | |
877 | { | |
878 | struct cleanup *cleanup; | |
879 | char *prompt = NULL; | |
880 | ||
881 | cleanup = ensure_python_env (get_current_arch (), current_language); | |
882 | ||
b9516fa1 YPK |
883 | if (gdb_python_module |
884 | && PyObject_HasAttrString (gdb_python_module, "prompt_hook")) | |
d17b6f81 PM |
885 | { |
886 | PyObject *hook; | |
887 | ||
b9516fa1 | 888 | hook = PyObject_GetAttrString (gdb_python_module, "prompt_hook"); |
d17b6f81 PM |
889 | if (hook == NULL) |
890 | goto fail; | |
891 | ||
892 | if (PyCallable_Check (hook)) | |
893 | { | |
894 | PyObject *result; | |
895 | PyObject *current_prompt; | |
896 | ||
897 | current_prompt = PyString_FromString (current_gdb_prompt); | |
898 | if (current_prompt == NULL) | |
899 | goto fail; | |
900 | ||
901 | result = PyObject_CallFunctionObjArgs (hook, current_prompt, NULL); | |
902 | ||
903 | Py_DECREF (current_prompt); | |
904 | ||
905 | if (result == NULL) | |
906 | goto fail; | |
907 | ||
908 | make_cleanup_py_decref (result); | |
909 | ||
910 | /* Return type should be None, or a String. If it is None, | |
911 | fall through, we will not set a prompt. If it is a | |
912 | string, set PROMPT. Anything else, set an exception. */ | |
913 | if (result != Py_None && ! PyString_Check (result)) | |
914 | { | |
915 | PyErr_Format (PyExc_RuntimeError, | |
916 | _("Return from prompt_hook must " \ | |
917 | "be either a Python string, or None")); | |
918 | goto fail; | |
919 | } | |
920 | ||
921 | if (result != Py_None) | |
922 | { | |
923 | prompt = python_string_to_host_string (result); | |
924 | ||
925 | if (prompt == NULL) | |
926 | goto fail; | |
927 | else | |
928 | make_cleanup (xfree, prompt); | |
929 | } | |
930 | } | |
931 | } | |
932 | ||
933 | /* If a prompt has been set, PROMPT will not be NULL. If it is | |
934 | NULL, do not set the prompt. */ | |
935 | if (prompt != NULL) | |
ab821bc6 | 936 | set_prompt (prompt); |
d17b6f81 PM |
937 | |
938 | do_cleanups (cleanup); | |
939 | return; | |
940 | ||
941 | fail: | |
942 | gdbpy_print_stack (); | |
943 | do_cleanups (cleanup); | |
944 | return; | |
945 | } | |
946 | ||
947 | \f | |
948 | ||
d57a3c85 TJB |
949 | /* Printing. */ |
950 | ||
951 | /* A python function to write a single string using gdb's filtered | |
99c3dc11 PM |
952 | output stream . The optional keyword STREAM can be used to write |
953 | to a particular stream. The default stream is to gdb_stdout. */ | |
954 | ||
d57a3c85 | 955 | static PyObject * |
99c3dc11 | 956 | gdbpy_write (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 957 | { |
ddd49eee | 958 | const char *arg; |
99c3dc11 PM |
959 | static char *keywords[] = {"text", "stream", NULL }; |
960 | int stream_type = 0; | |
adb4fe3b | 961 | volatile struct gdb_exception except; |
99c3dc11 PM |
962 | |
963 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|i", keywords, &arg, | |
964 | &stream_type)) | |
d57a3c85 | 965 | return NULL; |
99c3dc11 | 966 | |
adb4fe3b | 967 | TRY_CATCH (except, RETURN_MASK_ALL) |
99c3dc11 | 968 | { |
adb4fe3b ME |
969 | switch (stream_type) |
970 | { | |
971 | case 1: | |
972 | { | |
973 | fprintf_filtered (gdb_stderr, "%s", arg); | |
974 | break; | |
975 | } | |
976 | case 2: | |
977 | { | |
978 | fprintf_filtered (gdb_stdlog, "%s", arg); | |
979 | break; | |
980 | } | |
981 | default: | |
982 | fprintf_filtered (gdb_stdout, "%s", arg); | |
983 | } | |
99c3dc11 | 984 | } |
adb4fe3b | 985 | GDB_PY_HANDLE_EXCEPTION (except); |
99c3dc11 | 986 | |
d57a3c85 TJB |
987 | Py_RETURN_NONE; |
988 | } | |
989 | ||
99c3dc11 PM |
990 | /* A python function to flush a gdb stream. The optional keyword |
991 | STREAM can be used to flush a particular stream. The default stream | |
992 | is gdb_stdout. */ | |
993 | ||
d57a3c85 | 994 | static PyObject * |
99c3dc11 | 995 | gdbpy_flush (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 996 | { |
99c3dc11 PM |
997 | static char *keywords[] = {"stream", NULL }; |
998 | int stream_type = 0; | |
999 | ||
1000 | if (! PyArg_ParseTupleAndKeywords (args, kw, "|i", keywords, | |
1001 | &stream_type)) | |
1002 | return NULL; | |
1003 | ||
1004 | switch (stream_type) | |
1005 | { | |
1006 | case 1: | |
1007 | { | |
1008 | gdb_flush (gdb_stderr); | |
1009 | break; | |
1010 | } | |
1011 | case 2: | |
1012 | { | |
1013 | gdb_flush (gdb_stdlog); | |
1014 | break; | |
1015 | } | |
1016 | default: | |
1017 | gdb_flush (gdb_stdout); | |
1018 | } | |
1019 | ||
d57a3c85 TJB |
1020 | Py_RETURN_NONE; |
1021 | } | |
1022 | ||
80b6e756 PM |
1023 | /* Print a python exception trace, print just a message, or print |
1024 | nothing and clear the python exception, depending on | |
1025 | gdbpy_should_print_stack. Only call this if a python exception is | |
1026 | set. */ | |
d57a3c85 TJB |
1027 | void |
1028 | gdbpy_print_stack (void) | |
1029 | { | |
80b6e756 PM |
1030 | /* Print "none", just clear exception. */ |
1031 | if (gdbpy_should_print_stack == python_excp_none) | |
1032 | { | |
1033 | PyErr_Clear (); | |
1034 | } | |
1035 | /* Print "full" message and backtrace. */ | |
1036 | else if (gdbpy_should_print_stack == python_excp_full) | |
0bf0f8c4 DE |
1037 | { |
1038 | PyErr_Print (); | |
1039 | /* PyErr_Print doesn't necessarily end output with a newline. | |
1040 | This works because Python's stdout/stderr is fed through | |
1041 | printf_filtered. */ | |
1042 | begin_line (); | |
1043 | } | |
80b6e756 | 1044 | /* Print "message", just error print message. */ |
d57a3c85 | 1045 | else |
80b6e756 PM |
1046 | { |
1047 | PyObject *ptype, *pvalue, *ptraceback; | |
1048 | char *msg = NULL, *type = NULL; | |
1049 | ||
1050 | PyErr_Fetch (&ptype, &pvalue, &ptraceback); | |
1051 | ||
1052 | /* Fetch the error message contained within ptype, pvalue. */ | |
1053 | msg = gdbpy_exception_to_string (ptype, pvalue); | |
1054 | type = gdbpy_obj_to_string (ptype); | |
1055 | if (msg == NULL) | |
1056 | { | |
1057 | /* An error occurred computing the string representation of the | |
1058 | error message. */ | |
1059 | fprintf_filtered (gdb_stderr, | |
1060 | _("Error occurred computing Python error" \ | |
1061 | "message.\n")); | |
1062 | } | |
1063 | else | |
1064 | fprintf_filtered (gdb_stderr, "Python Exception %s %s: \n", | |
1065 | type, msg); | |
1066 | ||
1067 | Py_XDECREF (ptype); | |
1068 | Py_XDECREF (pvalue); | |
1069 | Py_XDECREF (ptraceback); | |
1070 | xfree (msg); | |
1071 | } | |
d57a3c85 TJB |
1072 | } |
1073 | ||
89c73ade TT |
1074 | \f |
1075 | ||
fa33c3cd DE |
1076 | /* Return the current Progspace. |
1077 | There always is one. */ | |
1078 | ||
1079 | static PyObject * | |
1080 | gdbpy_get_current_progspace (PyObject *unused1, PyObject *unused2) | |
1081 | { | |
1082 | PyObject *result; | |
1083 | ||
1084 | result = pspace_to_pspace_object (current_program_space); | |
1085 | if (result) | |
1086 | Py_INCREF (result); | |
1087 | return result; | |
1088 | } | |
1089 | ||
1090 | /* Return a sequence holding all the Progspaces. */ | |
1091 | ||
1092 | static PyObject * | |
1093 | gdbpy_progspaces (PyObject *unused1, PyObject *unused2) | |
1094 | { | |
1095 | struct program_space *ps; | |
1096 | PyObject *list; | |
1097 | ||
1098 | list = PyList_New (0); | |
1099 | if (!list) | |
1100 | return NULL; | |
1101 | ||
1102 | ALL_PSPACES (ps) | |
1103 | { | |
1104 | PyObject *item = pspace_to_pspace_object (ps); | |
d59b6f6c | 1105 | |
fa33c3cd DE |
1106 | if (!item || PyList_Append (list, item) == -1) |
1107 | { | |
1108 | Py_DECREF (list); | |
1109 | return NULL; | |
1110 | } | |
1111 | } | |
1112 | ||
1113 | return list; | |
1114 | } | |
1115 | ||
1116 | \f | |
1117 | ||
89c73ade | 1118 | /* The "current" objfile. This is set when gdb detects that a new |
8a1ea21f DE |
1119 | objfile has been loaded. It is only set for the duration of a call to |
1120 | source_python_script_for_objfile; it is NULL at other times. */ | |
89c73ade TT |
1121 | static struct objfile *gdbpy_current_objfile; |
1122 | ||
4c63965b JK |
1123 | /* Set the current objfile to OBJFILE and then read FILE named FILENAME |
1124 | as Python code. This does not throw any errors. If an exception | |
1125 | occurs python will print the traceback and clear the error indicator. */ | |
89c73ade | 1126 | |
8a1ea21f | 1127 | void |
4c63965b JK |
1128 | source_python_script_for_objfile (struct objfile *objfile, FILE *file, |
1129 | const char *filename) | |
89c73ade | 1130 | { |
89c73ade TT |
1131 | struct cleanup *cleanups; |
1132 | ||
d452c4bc | 1133 | cleanups = ensure_python_env (get_objfile_arch (objfile), current_language); |
89c73ade TT |
1134 | gdbpy_current_objfile = objfile; |
1135 | ||
4c63965b | 1136 | python_run_simple_file (file, filename); |
89c73ade TT |
1137 | |
1138 | do_cleanups (cleanups); | |
1139 | gdbpy_current_objfile = NULL; | |
89c73ade TT |
1140 | } |
1141 | ||
1142 | /* Return the current Objfile, or None if there isn't one. */ | |
8a1ea21f | 1143 | |
89c73ade TT |
1144 | static PyObject * |
1145 | gdbpy_get_current_objfile (PyObject *unused1, PyObject *unused2) | |
1146 | { | |
1147 | PyObject *result; | |
1148 | ||
1149 | if (! gdbpy_current_objfile) | |
1150 | Py_RETURN_NONE; | |
1151 | ||
1152 | result = objfile_to_objfile_object (gdbpy_current_objfile); | |
1153 | if (result) | |
1154 | Py_INCREF (result); | |
1155 | return result; | |
1156 | } | |
1157 | ||
1158 | /* Return a sequence holding all the Objfiles. */ | |
fa33c3cd | 1159 | |
89c73ade TT |
1160 | static PyObject * |
1161 | gdbpy_objfiles (PyObject *unused1, PyObject *unused2) | |
1162 | { | |
1163 | struct objfile *objf; | |
1164 | PyObject *list; | |
1165 | ||
1166 | list = PyList_New (0); | |
1167 | if (!list) | |
1168 | return NULL; | |
1169 | ||
1170 | ALL_OBJFILES (objf) | |
1171 | { | |
1172 | PyObject *item = objfile_to_objfile_object (objf); | |
d59b6f6c | 1173 | |
89c73ade TT |
1174 | if (!item || PyList_Append (list, item) == -1) |
1175 | { | |
1176 | Py_DECREF (list); | |
1177 | return NULL; | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | return list; | |
1182 | } | |
1183 | ||
18a9fc12 TT |
1184 | /* Compute the list of active type printers and return it. The result |
1185 | of this function can be passed to apply_type_printers, and should | |
1186 | be freed by free_type_printers. */ | |
1187 | ||
1188 | void * | |
1189 | start_type_printers (void) | |
1190 | { | |
1191 | struct cleanup *cleanups; | |
1192 | PyObject *type_module, *func, *result_obj; | |
1193 | ||
1194 | cleanups = ensure_python_env (get_current_arch (), current_language); | |
1195 | ||
1196 | type_module = PyImport_ImportModule ("gdb.types"); | |
1197 | if (type_module == NULL) | |
1198 | { | |
1199 | gdbpy_print_stack (); | |
1200 | goto done; | |
1201 | } | |
1202 | make_cleanup_py_decref (type_module); | |
1203 | ||
1204 | func = PyObject_GetAttrString (type_module, "get_type_recognizers"); | |
1205 | if (func == NULL) | |
1206 | { | |
1207 | gdbpy_print_stack (); | |
1208 | goto done; | |
1209 | } | |
1210 | make_cleanup_py_decref (func); | |
1211 | ||
1212 | result_obj = PyObject_CallFunctionObjArgs (func, (char *) NULL); | |
1213 | if (result_obj == NULL) | |
1214 | gdbpy_print_stack (); | |
1215 | ||
1216 | done: | |
1217 | do_cleanups (cleanups); | |
1218 | return result_obj; | |
1219 | } | |
1220 | ||
1221 | /* If TYPE is recognized by some type printer, return a newly | |
1222 | allocated string holding the type's replacement name. The caller | |
1223 | is responsible for freeing the string. Otherwise, return NULL. | |
1224 | ||
1225 | This function has a bit of a funny name, since it actually applies | |
1226 | recognizers, but this seemed clearer given the start_type_printers | |
1227 | and free_type_printers functions. */ | |
1228 | ||
1229 | char * | |
1230 | apply_type_printers (void *printers, struct type *type) | |
1231 | { | |
1232 | struct cleanup *cleanups; | |
1233 | PyObject *type_obj, *type_module, *func, *result_obj; | |
1234 | PyObject *printers_obj = printers; | |
1235 | char *result = NULL; | |
1236 | ||
1237 | if (printers_obj == NULL) | |
1238 | return NULL; | |
1239 | ||
1240 | cleanups = ensure_python_env (get_current_arch (), current_language); | |
1241 | ||
1242 | type_obj = type_to_type_object (type); | |
1243 | if (type_obj == NULL) | |
1244 | { | |
1245 | gdbpy_print_stack (); | |
1246 | goto done; | |
1247 | } | |
1248 | make_cleanup_py_decref (type_obj); | |
1249 | ||
1250 | type_module = PyImport_ImportModule ("gdb.types"); | |
1251 | if (type_module == NULL) | |
1252 | { | |
1253 | gdbpy_print_stack (); | |
1254 | goto done; | |
1255 | } | |
1256 | make_cleanup_py_decref (type_module); | |
1257 | ||
1258 | func = PyObject_GetAttrString (type_module, "apply_type_recognizers"); | |
1259 | if (func == NULL) | |
1260 | { | |
1261 | gdbpy_print_stack (); | |
1262 | goto done; | |
1263 | } | |
1264 | make_cleanup_py_decref (func); | |
1265 | ||
1266 | result_obj = PyObject_CallFunctionObjArgs (func, printers_obj, | |
1267 | type_obj, (char *) NULL); | |
1268 | if (result_obj == NULL) | |
1269 | { | |
1270 | gdbpy_print_stack (); | |
1271 | goto done; | |
1272 | } | |
1273 | make_cleanup_py_decref (result_obj); | |
1274 | ||
1275 | if (result_obj != Py_None) | |
1276 | { | |
1277 | result = python_string_to_host_string (result_obj); | |
1278 | if (result == NULL) | |
1279 | gdbpy_print_stack (); | |
1280 | } | |
1281 | ||
1282 | done: | |
1283 | do_cleanups (cleanups); | |
1284 | return result; | |
1285 | } | |
1286 | ||
1287 | /* Free the result of start_type_printers. */ | |
1288 | ||
1289 | void | |
1290 | free_type_printers (void *arg) | |
1291 | { | |
1292 | struct cleanup *cleanups; | |
1293 | PyObject *printers = arg; | |
1294 | ||
1295 | if (printers == NULL) | |
1296 | return; | |
1297 | ||
1298 | cleanups = ensure_python_env (get_current_arch (), current_language); | |
1299 | Py_DECREF (printers); | |
1300 | do_cleanups (cleanups); | |
1301 | } | |
1302 | ||
d57a3c85 TJB |
1303 | #else /* HAVE_PYTHON */ |
1304 | ||
8315665e YPK |
1305 | /* Dummy implementation of the gdb "python-interactive" and "python" |
1306 | command. */ | |
d57a3c85 TJB |
1307 | |
1308 | static void | |
8315665e | 1309 | python_interactive_command (char *arg, int from_tty) |
d57a3c85 TJB |
1310 | { |
1311 | while (arg && *arg && isspace (*arg)) | |
1312 | ++arg; | |
1313 | if (arg && *arg) | |
1314 | error (_("Python scripting is not supported in this copy of GDB.")); | |
1315 | else | |
1316 | { | |
1317 | struct command_line *l = get_command_line (python_control, ""); | |
1318 | struct cleanup *cleanups = make_cleanup_free_command_lines (&l); | |
d59b6f6c | 1319 | |
d57a3c85 TJB |
1320 | execute_control_command_untraced (l); |
1321 | do_cleanups (cleanups); | |
1322 | } | |
1323 | } | |
1324 | ||
8315665e YPK |
1325 | static void |
1326 | python_command (char *arg, int from_tty) | |
1327 | { | |
1328 | python_interactive_command (arg, from_tty); | |
1329 | } | |
1330 | ||
d57a3c85 TJB |
1331 | void |
1332 | eval_python_from_control_command (struct command_line *cmd) | |
1333 | { | |
1334 | error (_("Python scripting is not supported in this copy of GDB.")); | |
1335 | } | |
1336 | ||
973817a3 | 1337 | void |
4c63965b | 1338 | source_python_script (FILE *file, const char *filename) |
973817a3 | 1339 | { |
973817a3 JB |
1340 | throw_error (UNSUPPORTED_ERROR, |
1341 | _("Python scripting is not supported in this copy of GDB.")); | |
1342 | } | |
1343 | ||
7371cf6d PM |
1344 | int |
1345 | gdbpy_should_stop (struct breakpoint_object *bp_obj) | |
1346 | { | |
1347 | internal_error (__FILE__, __LINE__, | |
1348 | _("gdbpy_should_stop called when Python scripting is " \ | |
1349 | "not supported.")); | |
1350 | } | |
1351 | ||
1352 | int | |
1353 | gdbpy_breakpoint_has_py_cond (struct breakpoint_object *bp_obj) | |
1354 | { | |
1355 | internal_error (__FILE__, __LINE__, | |
1356 | _("gdbpy_breakpoint_has_py_cond called when Python " \ | |
1357 | "scripting is not supported.")); | |
1358 | } | |
1359 | ||
18a9fc12 TT |
1360 | void * |
1361 | start_type_printers (void) | |
1362 | { | |
1363 | return NULL; | |
1364 | } | |
1365 | ||
1366 | char * | |
1367 | apply_type_printers (void *ignore, struct type *type) | |
1368 | { | |
1369 | return NULL; | |
1370 | } | |
1371 | ||
1372 | void | |
1373 | free_type_printers (void *arg) | |
1374 | { | |
1375 | } | |
1376 | ||
d57a3c85 TJB |
1377 | #endif /* HAVE_PYTHON */ |
1378 | ||
1379 | \f | |
1380 | ||
713389e0 PM |
1381 | /* Lists for 'set python' commands. */ |
1382 | ||
1383 | static struct cmd_list_element *user_set_python_list; | |
1384 | static struct cmd_list_element *user_show_python_list; | |
d57a3c85 | 1385 | |
713389e0 PM |
1386 | /* Function for use by 'set python' prefix command. */ |
1387 | ||
1388 | static void | |
1389 | user_set_python (char *args, int from_tty) | |
1390 | { | |
1391 | help_list (user_set_python_list, "set python ", all_commands, | |
1392 | gdb_stdout); | |
1393 | } | |
1394 | ||
1395 | /* Function for use by 'show python' prefix command. */ | |
1396 | ||
1397 | static void | |
1398 | user_show_python (char *args, int from_tty) | |
d57a3c85 | 1399 | { |
713389e0 | 1400 | cmd_show_list (user_show_python_list, from_tty, ""); |
d57a3c85 TJB |
1401 | } |
1402 | ||
1403 | /* Initialize the Python code. */ | |
1404 | ||
810849a3 AS |
1405 | #ifdef HAVE_PYTHON |
1406 | ||
d7de8e3c TT |
1407 | /* This is installed as a final cleanup and cleans up the |
1408 | interpreter. This lets Python's 'atexit' work. */ | |
1409 | ||
1410 | static void | |
1411 | finalize_python (void *ignore) | |
1412 | { | |
1413 | /* We don't use ensure_python_env here because if we ever ran the | |
1414 | cleanup, gdb would crash -- because the cleanup calls into the | |
1415 | Python interpreter, which we are about to destroy. It seems | |
1416 | clearer to make the needed calls explicitly here than to create a | |
1417 | cleanup and then mysteriously discard it. */ | |
1418 | PyGILState_Ensure (); | |
f5656ead | 1419 | python_gdbarch = target_gdbarch (); |
d7de8e3c TT |
1420 | python_language = current_language; |
1421 | ||
1422 | Py_Finalize (); | |
1423 | } | |
810849a3 | 1424 | #endif |
d7de8e3c | 1425 | |
2c0b251b PA |
1426 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
1427 | extern initialize_file_ftype _initialize_python; | |
1428 | ||
d57a3c85 TJB |
1429 | void |
1430 | _initialize_python (void) | |
1431 | { | |
713389e0 PM |
1432 | char *cmd_name; |
1433 | struct cmd_list_element *cmd; | |
1434 | ||
8315665e YPK |
1435 | add_com ("python-interactive", class_obscure, |
1436 | python_interactive_command, | |
1437 | #ifdef HAVE_PYTHON | |
1438 | _("\ | |
e3480f4a YPK |
1439 | Start an interactive Python prompt.\n\ |
1440 | \n\ | |
1441 | To return to GDB, type the EOF character (e.g., Ctrl-D on an empty\n\ | |
1442 | prompt).\n\ | |
8315665e YPK |
1443 | \n\ |
1444 | Alternatively, a single-line Python command can be given as an\n\ | |
1445 | argument, and if the command is an expression, the result will be\n\ | |
1446 | printed. For example:\n\ | |
1447 | \n\ | |
1448 | (gdb) python-interactive 2 + 3\n\ | |
1449 | 5\n\ | |
1450 | ") | |
1451 | #else /* HAVE_PYTHON */ | |
1452 | _("\ | |
1453 | Start a Python interactive prompt.\n\ | |
1454 | \n\ | |
1455 | Python scripting is not supported in this copy of GDB.\n\ | |
1456 | This command is only a placeholder.") | |
1457 | #endif /* HAVE_PYTHON */ | |
1458 | ); | |
1459 | add_com_alias ("pi", "python-interactive", class_obscure, 1); | |
1460 | ||
d57a3c85 TJB |
1461 | add_com ("python", class_obscure, python_command, |
1462 | #ifdef HAVE_PYTHON | |
1463 | _("\ | |
1464 | Evaluate a Python command.\n\ | |
1465 | \n\ | |
1466 | The command can be given as an argument, for instance:\n\ | |
1467 | \n\ | |
1468 | python print 23\n\ | |
1469 | \n\ | |
1470 | If no argument is given, the following lines are read and used\n\ | |
1471 | as the Python commands. Type a line containing \"end\" to indicate\n\ | |
1472 | the end of the command.") | |
1473 | #else /* HAVE_PYTHON */ | |
1474 | _("\ | |
1475 | Evaluate a Python command.\n\ | |
1476 | \n\ | |
1477 | Python scripting is not supported in this copy of GDB.\n\ | |
1478 | This command is only a placeholder.") | |
1479 | #endif /* HAVE_PYTHON */ | |
1480 | ); | |
8315665e | 1481 | add_com_alias ("py", "python", class_obscure, 1); |
d57a3c85 | 1482 | |
713389e0 PM |
1483 | /* Add set/show python print-stack. */ |
1484 | add_prefix_cmd ("python", no_class, user_show_python, | |
1485 | _("Prefix command for python preference settings."), | |
1486 | &user_show_python_list, "show python ", 0, | |
1487 | &showlist); | |
1488 | ||
1489 | add_prefix_cmd ("python", no_class, user_set_python, | |
1490 | _("Prefix command for python preference settings."), | |
1491 | &user_set_python_list, "set python ", 0, | |
1492 | &setlist); | |
1493 | ||
80b6e756 PM |
1494 | add_setshow_enum_cmd ("print-stack", no_class, python_excp_enums, |
1495 | &gdbpy_should_print_stack, _("\ | |
1496 | Set mode for Python stack dump on error."), _("\ | |
1497 | Show the mode of Python stack printing on error."), _("\ | |
1498 | none == no stack or message will be printed.\n\ | |
1499 | full == a message and a stack will be printed.\n\ | |
1500 | message == an error message without a stack will be printed."), | |
1501 | NULL, NULL, | |
1502 | &user_set_python_list, | |
1503 | &user_show_python_list); | |
d57a3c85 TJB |
1504 | |
1505 | #ifdef HAVE_PYTHON | |
0c4a4063 DE |
1506 | #ifdef WITH_PYTHON_PATH |
1507 | /* Work around problem where python gets confused about where it is, | |
1508 | and then can't find its libraries, etc. | |
1509 | NOTE: Python assumes the following layout: | |
1510 | /foo/bin/python | |
1511 | /foo/lib/pythonX.Y/... | |
1512 | This must be done before calling Py_Initialize. */ | |
1513 | Py_SetProgramName (concat (ldirname (python_libdir), SLASH_STRING, "bin", | |
1514 | SLASH_STRING, "python", NULL)); | |
1515 | #endif | |
1516 | ||
d57a3c85 | 1517 | Py_Initialize (); |
ca30a762 | 1518 | PyEval_InitThreads (); |
d57a3c85 | 1519 | |
b9516fa1 | 1520 | gdb_module = Py_InitModule ("_gdb", GdbMethods); |
d57a3c85 TJB |
1521 | |
1522 | /* The casts to (char*) are for python 2.4. */ | |
1523 | PyModule_AddStringConstant (gdb_module, "VERSION", (char*) version); | |
1524 | PyModule_AddStringConstant (gdb_module, "HOST_CONFIG", (char*) host_name); | |
9a2b4c1b MS |
1525 | PyModule_AddStringConstant (gdb_module, "TARGET_CONFIG", |
1526 | (char*) target_name); | |
f17618ea | 1527 | |
99c3dc11 PM |
1528 | /* Add stream constants. */ |
1529 | PyModule_AddIntConstant (gdb_module, "STDOUT", 0); | |
1530 | PyModule_AddIntConstant (gdb_module, "STDERR", 1); | |
1531 | PyModule_AddIntConstant (gdb_module, "STDLOG", 2); | |
d57a3c85 | 1532 | |
621c8364 TT |
1533 | gdbpy_gdb_error = PyErr_NewException ("gdb.error", PyExc_RuntimeError, NULL); |
1534 | PyModule_AddObject (gdb_module, "error", gdbpy_gdb_error); | |
1535 | ||
1536 | gdbpy_gdb_memory_error = PyErr_NewException ("gdb.MemoryError", | |
1537 | gdbpy_gdb_error, NULL); | |
1538 | PyModule_AddObject (gdb_module, "MemoryError", gdbpy_gdb_memory_error); | |
1539 | ||
07ca107c DE |
1540 | gdbpy_gdberror_exc = PyErr_NewException ("gdb.GdbError", NULL, NULL); |
1541 | PyModule_AddObject (gdb_module, "GdbError", gdbpy_gdberror_exc); | |
1542 | ||
037bbc8e | 1543 | gdbpy_initialize_gdb_readline (); |
8a1ea21f | 1544 | gdbpy_initialize_auto_load (); |
a08702d6 | 1545 | gdbpy_initialize_values (); |
f8f6f20b | 1546 | gdbpy_initialize_frames (); |
d8906c6f | 1547 | gdbpy_initialize_commands (); |
f3e9a817 PM |
1548 | gdbpy_initialize_symbols (); |
1549 | gdbpy_initialize_symtabs (); | |
1550 | gdbpy_initialize_blocks (); | |
bc3b79fd | 1551 | gdbpy_initialize_functions (); |
d7b32ed3 | 1552 | gdbpy_initialize_parameters (); |
2c74e833 | 1553 | gdbpy_initialize_types (); |
fa33c3cd | 1554 | gdbpy_initialize_pspace (); |
89c73ade | 1555 | gdbpy_initialize_objfile (); |
adc36818 | 1556 | gdbpy_initialize_breakpoints (); |
cc72b2a2 | 1557 | gdbpy_initialize_finishbreakpoints (); |
be759fcf | 1558 | gdbpy_initialize_lazy_string (); |
595939de PM |
1559 | gdbpy_initialize_thread (); |
1560 | gdbpy_initialize_inferior (); | |
ca5c20b6 | 1561 | gdbpy_initialize_events (); |
a08702d6 | 1562 | |
505500db SW |
1563 | gdbpy_initialize_eventregistry (); |
1564 | gdbpy_initialize_py_events (); | |
1565 | gdbpy_initialize_event (); | |
1566 | gdbpy_initialize_stop_event (); | |
1567 | gdbpy_initialize_signal_event (); | |
1568 | gdbpy_initialize_breakpoint_event (); | |
1569 | gdbpy_initialize_continue_event (); | |
1570 | gdbpy_initialize_exited_event (); | |
1571 | gdbpy_initialize_thread_event (); | |
20c168b5 | 1572 | gdbpy_initialize_new_objfile_event () ; |
505500db | 1573 | |
d17b6f81 PM |
1574 | observer_attach_before_prompt (before_prompt_hook); |
1575 | ||
a6bac58e TT |
1576 | gdbpy_to_string_cst = PyString_FromString ("to_string"); |
1577 | gdbpy_children_cst = PyString_FromString ("children"); | |
1578 | gdbpy_display_hint_cst = PyString_FromString ("display_hint"); | |
d8906c6f | 1579 | gdbpy_doc_cst = PyString_FromString ("__doc__"); |
967cf477 | 1580 | gdbpy_enabled_cst = PyString_FromString ("enabled"); |
fb6a3ed3 | 1581 | gdbpy_value_cst = PyString_FromString ("value"); |
d8906c6f | 1582 | |
9dea9163 DE |
1583 | /* Release the GIL while gdb runs. */ |
1584 | PyThreadState_Swap (NULL); | |
1585 | PyEval_ReleaseLock (); | |
1586 | ||
d7de8e3c | 1587 | make_final_cleanup (finalize_python, NULL); |
9dea9163 DE |
1588 | #endif /* HAVE_PYTHON */ |
1589 | } | |
1590 | ||
1591 | #ifdef HAVE_PYTHON | |
1592 | ||
1593 | /* Perform the remaining python initializations. | |
1594 | These must be done after GDB is at least mostly initialized. | |
1595 | E.g., The "info pretty-printer" command needs the "info" prefix | |
1596 | command installed. */ | |
1597 | ||
1598 | void | |
1599 | finish_python_initialization (void) | |
1600 | { | |
b9516fa1 YPK |
1601 | PyObject *m; |
1602 | char *gdb_pythondir; | |
1603 | PyObject *sys_path; | |
9dea9163 DE |
1604 | struct cleanup *cleanup; |
1605 | ||
1606 | cleanup = ensure_python_env (get_current_arch (), current_language); | |
f17618ea | 1607 | |
b9516fa1 YPK |
1608 | /* Add the initial data-directory to sys.path. */ |
1609 | ||
1610 | gdb_pythondir = concat (gdb_datadir, SLASH_STRING, "python", NULL); | |
1611 | make_cleanup (xfree, gdb_pythondir); | |
1612 | ||
1613 | sys_path = PySys_GetObject ("path"); | |
ca30a762 | 1614 | |
b9516fa1 YPK |
1615 | if (sys_path && PyList_Check (sys_path)) |
1616 | { | |
1617 | PyObject *pythondir; | |
1618 | int err; | |
1619 | ||
1620 | pythondir = PyString_FromString (gdb_pythondir); | |
1621 | if (pythondir == NULL) | |
1622 | goto fail; | |
1623 | ||
1624 | err = PyList_Insert (sys_path, 0, pythondir); | |
1625 | if (err) | |
1626 | goto fail; | |
1627 | ||
1628 | Py_DECREF (pythondir); | |
1629 | } | |
1630 | else | |
1631 | PySys_SetPath (gdb_pythondir); | |
1632 | ||
1633 | /* Import the gdb module to finish the initialization, and | |
1634 | add it to __main__ for convenience. */ | |
1635 | m = PyImport_AddModule ("__main__"); | |
1636 | if (m == NULL) | |
1637 | goto fail; | |
1638 | ||
1639 | gdb_python_module = PyImport_ImportModule ("gdb"); | |
1640 | if (gdb_python_module == NULL) | |
1641 | { | |
1642 | gdbpy_print_stack (); | |
1643 | warning (_("Could not load the Python gdb module from `%s'."), | |
1644 | gdb_pythondir); | |
1645 | warning (_("Limited Python support is available from the _gdb module.")); | |
1646 | do_cleanups (cleanup); | |
1647 | return; | |
1648 | } | |
1649 | ||
1650 | if (PyModule_AddObject (m, "gdb", gdb_python_module)) | |
1651 | goto fail; | |
1652 | ||
1653 | /* Keep the reference to gdb_python_module since it is in a global | |
1654 | variable. */ | |
1655 | ||
1656 | do_cleanups (cleanup); | |
1657 | return; | |
1658 | ||
1659 | fail: | |
1660 | gdbpy_print_stack (); | |
1661 | warning (_("internal error: Unhandled Python exception")); | |
9dea9163 DE |
1662 | do_cleanups (cleanup); |
1663 | } | |
ca30a762 | 1664 | |
d57a3c85 | 1665 | #endif /* HAVE_PYTHON */ |
12453b93 TJB |
1666 | |
1667 | \f | |
1668 | ||
9dea9163 | 1669 | #ifdef HAVE_PYTHON |
12453b93 TJB |
1670 | |
1671 | static PyMethodDef GdbMethods[] = | |
1672 | { | |
1673 | { "history", gdbpy_history, METH_VARARGS, | |
1674 | "Get a value from history" }, | |
bc9f0842 | 1675 | { "execute", (PyCFunction) execute_gdb_command, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 1676 | "Execute a gdb command" }, |
8f500870 | 1677 | { "parameter", gdbpy_parameter, METH_VARARGS, |
12453b93 TJB |
1678 | "Return a gdb parameter's value" }, |
1679 | ||
adc36818 PM |
1680 | { "breakpoints", gdbpy_breakpoints, METH_NOARGS, |
1681 | "Return a tuple of all breakpoint objects" }, | |
1682 | ||
b6313243 TT |
1683 | { "default_visualizer", gdbpy_default_visualizer, METH_VARARGS, |
1684 | "Find the default visualizer for a Value." }, | |
1685 | ||
fa33c3cd DE |
1686 | { "current_progspace", gdbpy_get_current_progspace, METH_NOARGS, |
1687 | "Return the current Progspace." }, | |
1688 | { "progspaces", gdbpy_progspaces, METH_NOARGS, | |
1689 | "Return a sequence of all progspaces." }, | |
1690 | ||
89c73ade TT |
1691 | { "current_objfile", gdbpy_get_current_objfile, METH_NOARGS, |
1692 | "Return the current Objfile being loaded, or None." }, | |
1693 | { "objfiles", gdbpy_objfiles, METH_NOARGS, | |
1694 | "Return a sequence of all loaded objfiles." }, | |
1695 | ||
d8e22779 TT |
1696 | { "newest_frame", gdbpy_newest_frame, METH_NOARGS, |
1697 | "newest_frame () -> gdb.Frame.\n\ | |
1698 | Return the newest frame object." }, | |
f8f6f20b TJB |
1699 | { "selected_frame", gdbpy_selected_frame, METH_NOARGS, |
1700 | "selected_frame () -> gdb.Frame.\n\ | |
1701 | Return the selected frame object." }, | |
1702 | { "frame_stop_reason_string", gdbpy_frame_stop_reason_string, METH_VARARGS, | |
1703 | "stop_reason_string (Integer) -> String.\n\ | |
1704 | Return a string explaining unwind stop reason." }, | |
1705 | ||
2c74e833 TT |
1706 | { "lookup_type", (PyCFunction) gdbpy_lookup_type, |
1707 | METH_VARARGS | METH_KEYWORDS, | |
1708 | "lookup_type (name [, block]) -> type\n\ | |
1709 | Return a Type corresponding to the given name." }, | |
f3e9a817 PM |
1710 | { "lookup_symbol", (PyCFunction) gdbpy_lookup_symbol, |
1711 | METH_VARARGS | METH_KEYWORDS, | |
1712 | "lookup_symbol (name [, block] [, domain]) -> (symbol, is_field_of_this)\n\ | |
1713 | Return a tuple with the symbol corresponding to the given name (or None) and\n\ | |
1714 | a boolean indicating if name is a field of the current implied argument\n\ | |
1715 | `this' (when the current language is object-oriented)." }, | |
6e6fbe60 DE |
1716 | { "lookup_global_symbol", (PyCFunction) gdbpy_lookup_global_symbol, |
1717 | METH_VARARGS | METH_KEYWORDS, | |
1718 | "lookup_global_symbol (name [, domain]) -> symbol\n\ | |
1719 | Return the symbol corresponding to the given name (or None)." }, | |
f3e9a817 PM |
1720 | { "block_for_pc", gdbpy_block_for_pc, METH_VARARGS, |
1721 | "Return the block containing the given pc value, or None." }, | |
cb2e07a6 PM |
1722 | { "solib_name", gdbpy_solib_name, METH_VARARGS, |
1723 | "solib_name (Long) -> String.\n\ | |
1724 | Return the name of the shared library holding a given address, or None." }, | |
1725 | { "decode_line", gdbpy_decode_line, METH_VARARGS, | |
1726 | "decode_line (String) -> Tuple. Decode a string argument the way\n\ | |
1727 | that 'break' or 'edit' does. Return a tuple containing two elements.\n\ | |
1728 | The first element contains any unparsed portion of the String parameter\n\ | |
1729 | (or None if the string was fully parsed). The second element contains\n\ | |
1730 | a tuple that contains all the locations that match, represented as\n\ | |
1731 | gdb.Symtab_and_line objects (or None)."}, | |
57a1d736 TT |
1732 | { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS, |
1733 | "parse_and_eval (String) -> Value.\n\ | |
1734 | Parse String as an expression, evaluate it, and return the result as a Value." | |
1735 | }, | |
7efc75aa SCR |
1736 | { "find_pc_line", gdbpy_find_pc_line, METH_VARARGS, |
1737 | "find_pc_line (pc) -> Symtab_and_line.\n\ | |
1738 | Return the gdb.Symtab_and_line object corresponding to the pc value." }, | |
57a1d736 | 1739 | |
ca5c20b6 PM |
1740 | { "post_event", gdbpy_post_event, METH_VARARGS, |
1741 | "Post an event into gdb's event loop." }, | |
1742 | ||
f870a310 TT |
1743 | { "target_charset", gdbpy_target_charset, METH_NOARGS, |
1744 | "target_charset () -> string.\n\ | |
1745 | Return the name of the current target charset." }, | |
1746 | { "target_wide_charset", gdbpy_target_wide_charset, METH_NOARGS, | |
1747 | "target_wide_charset () -> string.\n\ | |
1748 | Return the name of the current target wide charset." }, | |
1749 | ||
07ca107c DE |
1750 | { "string_to_argv", gdbpy_string_to_argv, METH_VARARGS, |
1751 | "string_to_argv (String) -> Array.\n\ | |
1752 | Parse String and return an argv-like array.\n\ | |
1753 | Arguments are separate by spaces and may be quoted." | |
1754 | }, | |
99c3dc11 | 1755 | { "write", (PyCFunction)gdbpy_write, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 1756 | "Write a string using gdb's filtered stream." }, |
99c3dc11 | 1757 | { "flush", (PyCFunction)gdbpy_flush, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 1758 | "Flush gdb's filtered stdout stream." }, |
595939de PM |
1759 | { "selected_thread", gdbpy_selected_thread, METH_NOARGS, |
1760 | "selected_thread () -> gdb.InferiorThread.\n\ | |
1761 | Return the selected thread object." }, | |
2aa48337 KP |
1762 | { "selected_inferior", gdbpy_selected_inferior, METH_NOARGS, |
1763 | "selected_inferior () -> gdb.Inferior.\n\ | |
1764 | Return the selected inferior object." }, | |
595939de PM |
1765 | { "inferiors", gdbpy_inferiors, METH_NOARGS, |
1766 | "inferiors () -> (gdb.Inferior, ...).\n\ | |
1767 | Return a tuple containing all inferiors." }, | |
12453b93 TJB |
1768 | {NULL, NULL, 0, NULL} |
1769 | }; | |
1770 | ||
1771 | #endif /* HAVE_PYTHON */ |