Commit | Line | Data |
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d57a3c85 TJB |
1 | /* General python/gdb code |
2 | ||
7b6bb8da | 3 | Copyright (C) 2008, 2009, 2010, 2011 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" |
d57a3c85 TJB |
33 | |
34 | #include <ctype.h> | |
35 | ||
36 | /* True if we should print the stack when catching a Python error, | |
37 | false otherwise. */ | |
38 | static int gdbpy_should_print_stack = 1; | |
39 | ||
40 | #ifdef HAVE_PYTHON | |
41 | ||
42 | #include "python.h" | |
43 | #include "libiberty.h" | |
44 | #include "cli/cli-decode.h" | |
45 | #include "charset.h" | |
46 | #include "top.h" | |
cb2e07a6 | 47 | #include "solib.h" |
d57a3c85 | 48 | #include "python-internal.h" |
cb2e07a6 PM |
49 | #include "linespec.h" |
50 | #include "source.h" | |
d57a3c85 TJB |
51 | #include "version.h" |
52 | #include "target.h" | |
53 | #include "gdbthread.h" | |
54 | ||
12453b93 | 55 | static PyMethodDef GdbMethods[]; |
d57a3c85 TJB |
56 | |
57 | PyObject *gdb_module; | |
58 | ||
a6bac58e TT |
59 | /* Some string constants we may wish to use. */ |
60 | PyObject *gdbpy_to_string_cst; | |
61 | PyObject *gdbpy_children_cst; | |
62 | PyObject *gdbpy_display_hint_cst; | |
d8906c6f | 63 | PyObject *gdbpy_doc_cst; |
967cf477 | 64 | PyObject *gdbpy_enabled_cst; |
d8906c6f | 65 | |
07ca107c DE |
66 | /* The GdbError exception. */ |
67 | PyObject *gdbpy_gdberror_exc; | |
d452c4bc | 68 | |
621c8364 TT |
69 | /* The `gdb.error' base class. */ |
70 | PyObject *gdbpy_gdb_error; | |
71 | ||
72 | /* The `gdb.MemoryError' exception. */ | |
73 | PyObject *gdbpy_gdb_memory_error; | |
74 | ||
d452c4bc UW |
75 | /* Architecture and language to be used in callbacks from |
76 | the Python interpreter. */ | |
77 | struct gdbarch *python_gdbarch; | |
78 | const struct language_defn *python_language; | |
79 | ||
80 | /* Restore global language and architecture and Python GIL state | |
81 | when leaving the Python interpreter. */ | |
82 | ||
83 | struct python_env | |
84 | { | |
85 | PyGILState_STATE state; | |
86 | struct gdbarch *gdbarch; | |
87 | const struct language_defn *language; | |
8dc78533 | 88 | PyObject *error_type, *error_value, *error_traceback; |
d452c4bc UW |
89 | }; |
90 | ||
91 | static void | |
92 | restore_python_env (void *p) | |
93 | { | |
94 | struct python_env *env = (struct python_env *)p; | |
d59b6f6c | 95 | |
8dc78533 JK |
96 | /* Leftover Python error is forbidden by Python Exception Handling. */ |
97 | if (PyErr_Occurred ()) | |
98 | { | |
99 | /* This order is similar to the one calling error afterwards. */ | |
100 | gdbpy_print_stack (); | |
101 | warning (_("internal error: Unhandled Python exception")); | |
102 | } | |
103 | ||
104 | PyErr_Restore (env->error_type, env->error_value, env->error_traceback); | |
105 | ||
d452c4bc UW |
106 | PyGILState_Release (env->state); |
107 | python_gdbarch = env->gdbarch; | |
108 | python_language = env->language; | |
109 | xfree (env); | |
110 | } | |
111 | ||
112 | /* Called before entering the Python interpreter to install the | |
113 | current language and architecture to be used for Python values. */ | |
114 | ||
115 | struct cleanup * | |
116 | ensure_python_env (struct gdbarch *gdbarch, | |
117 | const struct language_defn *language) | |
118 | { | |
119 | struct python_env *env = xmalloc (sizeof *env); | |
120 | ||
121 | env->state = PyGILState_Ensure (); | |
122 | env->gdbarch = python_gdbarch; | |
123 | env->language = python_language; | |
124 | ||
125 | python_gdbarch = gdbarch; | |
126 | python_language = language; | |
127 | ||
8dc78533 JK |
128 | /* Save it and ensure ! PyErr_Occurred () afterwards. */ |
129 | PyErr_Fetch (&env->error_type, &env->error_value, &env->error_traceback); | |
130 | ||
d452c4bc UW |
131 | return make_cleanup (restore_python_env, env); |
132 | } | |
133 | ||
134 | ||
d57a3c85 TJB |
135 | /* Given a command_line, return a command string suitable for passing |
136 | to Python. Lines in the string are separated by newlines. The | |
137 | return value is allocated using xmalloc and the caller is | |
138 | responsible for freeing it. */ | |
139 | ||
140 | static char * | |
141 | compute_python_string (struct command_line *l) | |
142 | { | |
143 | struct command_line *iter; | |
144 | char *script = NULL; | |
145 | int size = 0; | |
146 | int here; | |
147 | ||
148 | for (iter = l; iter; iter = iter->next) | |
149 | size += strlen (iter->line) + 1; | |
150 | ||
151 | script = xmalloc (size + 1); | |
152 | here = 0; | |
153 | for (iter = l; iter; iter = iter->next) | |
154 | { | |
155 | int len = strlen (iter->line); | |
d59b6f6c | 156 | |
d57a3c85 TJB |
157 | strcpy (&script[here], iter->line); |
158 | here += len; | |
159 | script[here++] = '\n'; | |
160 | } | |
161 | script[here] = '\0'; | |
162 | return script; | |
163 | } | |
164 | ||
165 | /* Take a command line structure representing a 'python' command, and | |
166 | evaluate its body using the Python interpreter. */ | |
167 | ||
168 | void | |
169 | eval_python_from_control_command (struct command_line *cmd) | |
170 | { | |
12453b93 | 171 | int ret; |
d57a3c85 | 172 | char *script; |
ca30a762 | 173 | struct cleanup *cleanup; |
d57a3c85 TJB |
174 | |
175 | if (cmd->body_count != 1) | |
176 | error (_("Invalid \"python\" block structure.")); | |
177 | ||
d452c4bc | 178 | cleanup = ensure_python_env (get_current_arch (), current_language); |
ca30a762 | 179 | |
d57a3c85 | 180 | script = compute_python_string (cmd->body_list[0]); |
12453b93 | 181 | ret = PyRun_SimpleString (script); |
d57a3c85 | 182 | xfree (script); |
12453b93 | 183 | if (ret) |
d57a3c85 TJB |
184 | { |
185 | gdbpy_print_stack (); | |
12453b93 | 186 | error (_("Error while executing Python code.")); |
d57a3c85 | 187 | } |
ca30a762 TT |
188 | |
189 | do_cleanups (cleanup); | |
d57a3c85 TJB |
190 | } |
191 | ||
192 | /* Implementation of the gdb "python" command. */ | |
193 | ||
194 | static void | |
195 | python_command (char *arg, int from_tty) | |
196 | { | |
ca30a762 | 197 | struct cleanup *cleanup; |
ca30a762 | 198 | |
d59b6f6c | 199 | cleanup = ensure_python_env (get_current_arch (), current_language); |
d57a3c85 TJB |
200 | while (arg && *arg && isspace (*arg)) |
201 | ++arg; | |
202 | if (arg && *arg) | |
203 | { | |
12453b93 | 204 | if (PyRun_SimpleString (arg)) |
d57a3c85 TJB |
205 | { |
206 | gdbpy_print_stack (); | |
12453b93 | 207 | error (_("Error while executing Python code.")); |
d57a3c85 TJB |
208 | } |
209 | } | |
210 | else | |
211 | { | |
212 | struct command_line *l = get_command_line (python_control, ""); | |
d59b6f6c | 213 | |
ca30a762 | 214 | make_cleanup_free_command_lines (&l); |
d57a3c85 | 215 | execute_control_command_untraced (l); |
d57a3c85 | 216 | } |
ca30a762 TT |
217 | |
218 | do_cleanups (cleanup); | |
d57a3c85 TJB |
219 | } |
220 | ||
221 | \f | |
222 | ||
223 | /* Transform a gdb parameters's value into a Python value. May return | |
224 | NULL (and set a Python exception) on error. Helper function for | |
225 | get_parameter. */ | |
d7b32ed3 PM |
226 | PyObject * |
227 | gdbpy_parameter_value (enum var_types type, void *var) | |
d57a3c85 | 228 | { |
d7b32ed3 | 229 | switch (type) |
d57a3c85 TJB |
230 | { |
231 | case var_string: | |
232 | case var_string_noescape: | |
233 | case var_optional_filename: | |
234 | case var_filename: | |
235 | case var_enum: | |
236 | { | |
d7b32ed3 | 237 | char *str = * (char **) var; |
d59b6f6c | 238 | |
d57a3c85 TJB |
239 | if (! str) |
240 | str = ""; | |
241 | return PyString_Decode (str, strlen (str), host_charset (), NULL); | |
242 | } | |
243 | ||
244 | case var_boolean: | |
245 | { | |
d7b32ed3 | 246 | if (* (int *) var) |
d57a3c85 TJB |
247 | Py_RETURN_TRUE; |
248 | else | |
249 | Py_RETURN_FALSE; | |
250 | } | |
251 | ||
252 | case var_auto_boolean: | |
253 | { | |
d7b32ed3 | 254 | enum auto_boolean ab = * (enum auto_boolean *) var; |
d59b6f6c | 255 | |
d57a3c85 TJB |
256 | if (ab == AUTO_BOOLEAN_TRUE) |
257 | Py_RETURN_TRUE; | |
258 | else if (ab == AUTO_BOOLEAN_FALSE) | |
259 | Py_RETURN_FALSE; | |
260 | else | |
261 | Py_RETURN_NONE; | |
262 | } | |
263 | ||
264 | case var_integer: | |
d7b32ed3 | 265 | if ((* (int *) var) == INT_MAX) |
d57a3c85 TJB |
266 | Py_RETURN_NONE; |
267 | /* Fall through. */ | |
268 | case var_zinteger: | |
d7b32ed3 | 269 | return PyLong_FromLong (* (int *) var); |
d57a3c85 TJB |
270 | |
271 | case var_uinteger: | |
272 | { | |
d7b32ed3 | 273 | unsigned int val = * (unsigned int *) var; |
d59b6f6c | 274 | |
d57a3c85 TJB |
275 | if (val == UINT_MAX) |
276 | Py_RETURN_NONE; | |
277 | return PyLong_FromUnsignedLong (val); | |
278 | } | |
279 | } | |
280 | ||
044c0f87 PM |
281 | return PyErr_Format (PyExc_RuntimeError, |
282 | _("Programmer error: unhandled type.")); | |
d57a3c85 TJB |
283 | } |
284 | ||
285 | /* A Python function which returns a gdb parameter's value as a Python | |
286 | value. */ | |
287 | ||
d7b32ed3 | 288 | PyObject * |
8f500870 | 289 | gdbpy_parameter (PyObject *self, PyObject *args) |
d57a3c85 TJB |
290 | { |
291 | struct cmd_list_element *alias, *prefix, *cmd; | |
292 | char *arg, *newarg; | |
cc924cad | 293 | int found = -1; |
d57a3c85 TJB |
294 | volatile struct gdb_exception except; |
295 | ||
296 | if (! PyArg_ParseTuple (args, "s", &arg)) | |
297 | return NULL; | |
298 | ||
299 | newarg = concat ("show ", arg, (char *) NULL); | |
300 | ||
301 | TRY_CATCH (except, RETURN_MASK_ALL) | |
302 | { | |
cc924cad | 303 | found = lookup_cmd_composition (newarg, &alias, &prefix, &cmd); |
d57a3c85 TJB |
304 | } |
305 | xfree (newarg); | |
306 | GDB_PY_HANDLE_EXCEPTION (except); | |
cc924cad TJB |
307 | if (!found) |
308 | return PyErr_Format (PyExc_RuntimeError, | |
044c0f87 | 309 | _("Could not find parameter `%s'."), arg); |
d57a3c85 TJB |
310 | |
311 | if (! cmd->var) | |
044c0f87 PM |
312 | return PyErr_Format (PyExc_RuntimeError, |
313 | _("`%s' is not a parameter."), arg); | |
d7b32ed3 | 314 | return gdbpy_parameter_value (cmd->var_type, cmd->var); |
d57a3c85 TJB |
315 | } |
316 | ||
f870a310 TT |
317 | /* Wrapper for target_charset. */ |
318 | ||
319 | static PyObject * | |
320 | gdbpy_target_charset (PyObject *self, PyObject *args) | |
321 | { | |
322 | const char *cset = target_charset (python_gdbarch); | |
d59b6f6c | 323 | |
f870a310 TT |
324 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
325 | } | |
326 | ||
327 | /* Wrapper for target_wide_charset. */ | |
328 | ||
329 | static PyObject * | |
330 | gdbpy_target_wide_charset (PyObject *self, PyObject *args) | |
331 | { | |
332 | const char *cset = target_wide_charset (python_gdbarch); | |
d59b6f6c | 333 | |
f870a310 TT |
334 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
335 | } | |
336 | ||
d57a3c85 TJB |
337 | /* A Python function which evaluates a string using the gdb CLI. */ |
338 | ||
339 | static PyObject * | |
bc9f0842 | 340 | execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 341 | { |
f92adf3c | 342 | char *arg; |
bc9f0842 TT |
343 | PyObject *from_tty_obj = NULL, *to_string_obj = NULL; |
344 | int from_tty, to_string; | |
d57a3c85 | 345 | volatile struct gdb_exception except; |
bc9f0842 TT |
346 | static char *keywords[] = {"command", "from_tty", "to_string", NULL }; |
347 | char *result = NULL; | |
d57a3c85 | 348 | |
bc9f0842 TT |
349 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O!O!", keywords, &arg, |
350 | &PyBool_Type, &from_tty_obj, | |
351 | &PyBool_Type, &to_string_obj)) | |
d57a3c85 TJB |
352 | return NULL; |
353 | ||
12453b93 TJB |
354 | from_tty = 0; |
355 | if (from_tty_obj) | |
356 | { | |
bc9f0842 | 357 | int cmp = PyObject_IsTrue (from_tty_obj); |
12453b93 | 358 | if (cmp < 0) |
bc9f0842 | 359 | return NULL; |
12453b93 TJB |
360 | from_tty = cmp; |
361 | } | |
362 | ||
bc9f0842 TT |
363 | to_string = 0; |
364 | if (to_string_obj) | |
365 | { | |
366 | int cmp = PyObject_IsTrue (to_string_obj); | |
367 | if (cmp < 0) | |
368 | return NULL; | |
369 | to_string = cmp; | |
370 | } | |
371 | ||
d57a3c85 TJB |
372 | TRY_CATCH (except, RETURN_MASK_ALL) |
373 | { | |
86c6265d TT |
374 | /* Copy the argument text in case the command modifies it. */ |
375 | char *copy = xstrdup (arg); | |
376 | struct cleanup *cleanup = make_cleanup (xfree, copy); | |
bc9f0842 | 377 | |
47a80e90 | 378 | prevent_dont_repeat (); |
bc9f0842 | 379 | if (to_string) |
5da1313b JK |
380 | result = execute_command_to_string (copy, from_tty); |
381 | else | |
bc9f0842 | 382 | { |
5da1313b JK |
383 | result = NULL; |
384 | execute_command (copy, from_tty); | |
bc9f0842 | 385 | } |
d59b6f6c | 386 | |
86c6265d | 387 | do_cleanups (cleanup); |
d57a3c85 TJB |
388 | } |
389 | GDB_PY_HANDLE_EXCEPTION (except); | |
390 | ||
347bddb7 PA |
391 | /* Do any commands attached to breakpoint we stopped at. */ |
392 | bpstat_do_actions (); | |
d57a3c85 | 393 | |
bc9f0842 TT |
394 | if (result) |
395 | { | |
396 | PyObject *r = PyString_FromString (result); | |
397 | xfree (result); | |
398 | return r; | |
399 | } | |
d57a3c85 TJB |
400 | Py_RETURN_NONE; |
401 | } | |
402 | ||
cb2e07a6 PM |
403 | /* Implementation of gdb.solib_name (Long) -> String. |
404 | Returns the name of the shared library holding a given address, or None. */ | |
405 | ||
406 | static PyObject * | |
407 | gdbpy_solib_name (PyObject *self, PyObject *args) | |
408 | { | |
409 | char *soname; | |
410 | PyObject *str_obj; | |
74aedc46 TT |
411 | gdb_py_longest pc; |
412 | ||
413 | if (!PyArg_ParseTuple (args, GDB_PY_LL_ARG, &pc)) | |
cb2e07a6 PM |
414 | return NULL; |
415 | ||
416 | soname = solib_name_from_address (current_program_space, pc); | |
417 | if (soname) | |
418 | str_obj = PyString_Decode (soname, strlen (soname), host_charset (), NULL); | |
419 | else | |
420 | { | |
421 | str_obj = Py_None; | |
422 | Py_INCREF (Py_None); | |
423 | } | |
424 | ||
425 | return str_obj; | |
426 | } | |
427 | ||
428 | /* A Python function which is a wrapper for decode_line_1. */ | |
429 | ||
430 | static PyObject * | |
431 | gdbpy_decode_line (PyObject *self, PyObject *args) | |
432 | { | |
9a2b4c1b MS |
433 | struct symtabs_and_lines sals = { NULL, 0 }; /* Initialize to |
434 | appease gcc. */ | |
cb2e07a6 PM |
435 | struct symtab_and_line sal; |
436 | char *arg = NULL; | |
437 | char *copy = NULL; | |
438 | struct cleanup *cleanups; | |
439 | PyObject *result = NULL; | |
440 | PyObject *return_result = NULL; | |
441 | PyObject *unparsed = NULL; | |
442 | volatile struct gdb_exception except; | |
443 | ||
444 | if (! PyArg_ParseTuple (args, "|s", &arg)) | |
445 | return NULL; | |
446 | ||
447 | cleanups = ensure_python_env (get_current_arch (), current_language); | |
448 | ||
449 | TRY_CATCH (except, RETURN_MASK_ALL) | |
450 | { | |
451 | if (arg) | |
452 | { | |
453 | arg = xstrdup (arg); | |
454 | make_cleanup (xfree, arg); | |
455 | copy = arg; | |
456 | sals = decode_line_1 (©, 0, 0, 0, 0, 0); | |
457 | make_cleanup (xfree, sals.sals); | |
458 | } | |
459 | else | |
460 | { | |
461 | set_default_source_symtab_and_line (); | |
462 | sal = get_current_source_symtab_and_line (); | |
463 | sals.sals = &sal; | |
464 | sals.nelts = 1; | |
465 | } | |
466 | } | |
467 | if (except.reason < 0) | |
468 | { | |
469 | do_cleanups (cleanups); | |
470 | /* We know this will always throw. */ | |
471 | GDB_PY_HANDLE_EXCEPTION (except); | |
472 | } | |
473 | ||
474 | if (sals.nelts) | |
475 | { | |
476 | int i; | |
477 | ||
478 | result = PyTuple_New (sals.nelts); | |
479 | if (! result) | |
480 | goto error; | |
481 | for (i = 0; i < sals.nelts; ++i) | |
482 | { | |
483 | PyObject *obj; | |
484 | char *str; | |
485 | ||
486 | obj = symtab_and_line_to_sal_object (sals.sals[i]); | |
487 | if (! obj) | |
488 | { | |
489 | Py_DECREF (result); | |
490 | goto error; | |
491 | } | |
492 | ||
493 | PyTuple_SetItem (result, i, obj); | |
494 | } | |
495 | } | |
496 | else | |
497 | { | |
498 | result = Py_None; | |
499 | Py_INCREF (Py_None); | |
500 | } | |
501 | ||
502 | return_result = PyTuple_New (2); | |
503 | if (! return_result) | |
504 | { | |
505 | Py_DECREF (result); | |
506 | goto error; | |
507 | } | |
508 | ||
509 | if (copy && strlen (copy) > 0) | |
510 | unparsed = PyString_FromString (copy); | |
511 | else | |
512 | { | |
513 | unparsed = Py_None; | |
514 | Py_INCREF (Py_None); | |
515 | } | |
516 | ||
517 | PyTuple_SetItem (return_result, 0, unparsed); | |
518 | PyTuple_SetItem (return_result, 1, result); | |
519 | ||
520 | do_cleanups (cleanups); | |
521 | ||
522 | return return_result; | |
523 | ||
524 | error: | |
525 | do_cleanups (cleanups); | |
526 | return NULL; | |
527 | } | |
528 | ||
57a1d736 TT |
529 | /* Parse a string and evaluate it as an expression. */ |
530 | static PyObject * | |
531 | gdbpy_parse_and_eval (PyObject *self, PyObject *args) | |
532 | { | |
533 | char *expr_str; | |
534 | struct value *result = NULL; | |
535 | volatile struct gdb_exception except; | |
536 | ||
537 | if (!PyArg_ParseTuple (args, "s", &expr_str)) | |
538 | return NULL; | |
539 | ||
540 | TRY_CATCH (except, RETURN_MASK_ALL) | |
541 | { | |
542 | result = parse_and_eval (expr_str); | |
543 | } | |
544 | GDB_PY_HANDLE_EXCEPTION (except); | |
545 | ||
546 | return value_to_value_object (result); | |
547 | } | |
548 | ||
973817a3 | 549 | /* Read a file as Python code. STREAM is the input file; FILE is the |
3f7b2faa DE |
550 | name of the file. |
551 | STREAM is not closed, that is the caller's responsibility. */ | |
973817a3 JB |
552 | |
553 | void | |
3f7b2faa | 554 | source_python_script (FILE *stream, const char *file) |
973817a3 | 555 | { |
eb5cda86 | 556 | struct cleanup *cleanup; |
973817a3 | 557 | |
eb5cda86 | 558 | cleanup = ensure_python_env (get_current_arch (), current_language); |
973817a3 | 559 | |
3a1d4620 DE |
560 | /* Note: If an exception occurs python will print the traceback and |
561 | clear the error indicator. */ | |
973817a3 JB |
562 | PyRun_SimpleFile (stream, file); |
563 | ||
eb5cda86 | 564 | do_cleanups (cleanup); |
973817a3 JB |
565 | } |
566 | ||
d57a3c85 TJB |
567 | \f |
568 | ||
ca5c20b6 PM |
569 | /* Posting and handling events. */ |
570 | ||
571 | /* A single event. */ | |
572 | struct gdbpy_event | |
573 | { | |
574 | /* The Python event. This is just a callable object. */ | |
575 | PyObject *event; | |
576 | /* The next event. */ | |
577 | struct gdbpy_event *next; | |
578 | }; | |
579 | ||
580 | /* All pending events. */ | |
581 | static struct gdbpy_event *gdbpy_event_list; | |
582 | /* The final link of the event list. */ | |
583 | static struct gdbpy_event **gdbpy_event_list_end; | |
584 | ||
585 | /* We use a file handler, and not an async handler, so that we can | |
586 | wake up the main thread even when it is blocked in poll(). */ | |
4a532131 | 587 | static struct serial *gdbpy_event_fds[2]; |
ca5c20b6 PM |
588 | |
589 | /* The file handler callback. This reads from the internal pipe, and | |
590 | then processes the Python event queue. This will always be run in | |
591 | the main gdb thread. */ | |
4a532131 | 592 | |
ca5c20b6 | 593 | static void |
4a532131 | 594 | gdbpy_run_events (struct serial *scb, void *context) |
ca5c20b6 PM |
595 | { |
596 | struct cleanup *cleanup; | |
ca5c20b6 PM |
597 | int r; |
598 | ||
599 | cleanup = ensure_python_env (get_current_arch (), current_language); | |
600 | ||
4a532131 PA |
601 | /* Flush the fd. Do this before flushing the events list, so that |
602 | any new event post afterwards is sure to re-awake the event | |
603 | loop. */ | |
604 | while (serial_readchar (gdbpy_event_fds[0], 0) >= 0) | |
605 | ; | |
ca5c20b6 PM |
606 | |
607 | while (gdbpy_event_list) | |
608 | { | |
609 | /* Dispatching the event might push a new element onto the event | |
610 | loop, so we update here "atomically enough". */ | |
611 | struct gdbpy_event *item = gdbpy_event_list; | |
612 | gdbpy_event_list = gdbpy_event_list->next; | |
613 | if (gdbpy_event_list == NULL) | |
614 | gdbpy_event_list_end = &gdbpy_event_list; | |
615 | ||
616 | /* Ignore errors. */ | |
617 | if (PyObject_CallObject (item->event, NULL) == NULL) | |
618 | PyErr_Clear (); | |
619 | ||
620 | Py_DECREF (item->event); | |
621 | xfree (item); | |
622 | } | |
623 | ||
624 | do_cleanups (cleanup); | |
625 | } | |
626 | ||
627 | /* Submit an event to the gdb thread. */ | |
628 | static PyObject * | |
629 | gdbpy_post_event (PyObject *self, PyObject *args) | |
630 | { | |
631 | struct gdbpy_event *event; | |
632 | PyObject *func; | |
633 | int wakeup; | |
634 | ||
635 | if (!PyArg_ParseTuple (args, "O", &func)) | |
636 | return NULL; | |
637 | ||
638 | if (!PyCallable_Check (func)) | |
639 | { | |
640 | PyErr_SetString (PyExc_RuntimeError, | |
641 | _("Posted event is not callable")); | |
642 | return NULL; | |
643 | } | |
644 | ||
645 | Py_INCREF (func); | |
646 | ||
647 | /* From here until the end of the function, we have the GIL, so we | |
648 | can operate on our global data structures without worrying. */ | |
649 | wakeup = gdbpy_event_list == NULL; | |
650 | ||
651 | event = XNEW (struct gdbpy_event); | |
652 | event->event = func; | |
653 | event->next = NULL; | |
654 | *gdbpy_event_list_end = event; | |
655 | gdbpy_event_list_end = &event->next; | |
656 | ||
657 | /* Wake up gdb when needed. */ | |
658 | if (wakeup) | |
659 | { | |
660 | char c = 'q'; /* Anything. */ | |
4a532131 PA |
661 | |
662 | if (serial_write (gdbpy_event_fds[1], &c, 1)) | |
ca5c20b6 PM |
663 | return PyErr_SetFromErrno (PyExc_IOError); |
664 | } | |
665 | ||
666 | Py_RETURN_NONE; | |
667 | } | |
668 | ||
669 | /* Initialize the Python event handler. */ | |
670 | static void | |
671 | gdbpy_initialize_events (void) | |
672 | { | |
4a532131 | 673 | if (serial_pipe (gdbpy_event_fds) == 0) |
ca5c20b6 PM |
674 | { |
675 | gdbpy_event_list_end = &gdbpy_event_list; | |
4a532131 | 676 | serial_async (gdbpy_event_fds[0], gdbpy_run_events, NULL); |
ca5c20b6 PM |
677 | } |
678 | } | |
679 | ||
d57a3c85 TJB |
680 | /* Printing. */ |
681 | ||
682 | /* A python function to write a single string using gdb's filtered | |
683 | output stream. */ | |
684 | static PyObject * | |
685 | gdbpy_write (PyObject *self, PyObject *args) | |
686 | { | |
687 | char *arg; | |
d59b6f6c | 688 | |
d57a3c85 TJB |
689 | if (! PyArg_ParseTuple (args, "s", &arg)) |
690 | return NULL; | |
691 | printf_filtered ("%s", arg); | |
692 | Py_RETURN_NONE; | |
693 | } | |
694 | ||
695 | /* A python function to flush gdb's filtered output stream. */ | |
696 | static PyObject * | |
697 | gdbpy_flush (PyObject *self, PyObject *args) | |
698 | { | |
699 | gdb_flush (gdb_stdout); | |
700 | Py_RETURN_NONE; | |
701 | } | |
702 | ||
703 | /* Print a python exception trace, or print nothing and clear the | |
704 | python exception, depending on gdbpy_should_print_stack. Only call | |
705 | this if a python exception is set. */ | |
706 | void | |
707 | gdbpy_print_stack (void) | |
708 | { | |
709 | if (gdbpy_should_print_stack) | |
0bf0f8c4 DE |
710 | { |
711 | PyErr_Print (); | |
712 | /* PyErr_Print doesn't necessarily end output with a newline. | |
713 | This works because Python's stdout/stderr is fed through | |
714 | printf_filtered. */ | |
715 | begin_line (); | |
716 | } | |
d57a3c85 TJB |
717 | else |
718 | PyErr_Clear (); | |
719 | } | |
720 | ||
89c73ade TT |
721 | \f |
722 | ||
fa33c3cd DE |
723 | /* Return the current Progspace. |
724 | There always is one. */ | |
725 | ||
726 | static PyObject * | |
727 | gdbpy_get_current_progspace (PyObject *unused1, PyObject *unused2) | |
728 | { | |
729 | PyObject *result; | |
730 | ||
731 | result = pspace_to_pspace_object (current_program_space); | |
732 | if (result) | |
733 | Py_INCREF (result); | |
734 | return result; | |
735 | } | |
736 | ||
737 | /* Return a sequence holding all the Progspaces. */ | |
738 | ||
739 | static PyObject * | |
740 | gdbpy_progspaces (PyObject *unused1, PyObject *unused2) | |
741 | { | |
742 | struct program_space *ps; | |
743 | PyObject *list; | |
744 | ||
745 | list = PyList_New (0); | |
746 | if (!list) | |
747 | return NULL; | |
748 | ||
749 | ALL_PSPACES (ps) | |
750 | { | |
751 | PyObject *item = pspace_to_pspace_object (ps); | |
d59b6f6c | 752 | |
fa33c3cd DE |
753 | if (!item || PyList_Append (list, item) == -1) |
754 | { | |
755 | Py_DECREF (list); | |
756 | return NULL; | |
757 | } | |
758 | } | |
759 | ||
760 | return list; | |
761 | } | |
762 | ||
763 | \f | |
764 | ||
89c73ade | 765 | /* The "current" objfile. This is set when gdb detects that a new |
8a1ea21f DE |
766 | objfile has been loaded. It is only set for the duration of a call to |
767 | source_python_script_for_objfile; it is NULL at other times. */ | |
89c73ade TT |
768 | static struct objfile *gdbpy_current_objfile; |
769 | ||
8a1ea21f DE |
770 | /* Set the current objfile to OBJFILE and then read STREAM,FILE as |
771 | Python code. */ | |
89c73ade | 772 | |
8a1ea21f DE |
773 | void |
774 | source_python_script_for_objfile (struct objfile *objfile, | |
775 | FILE *stream, const char *file) | |
89c73ade | 776 | { |
89c73ade TT |
777 | struct cleanup *cleanups; |
778 | ||
d452c4bc | 779 | cleanups = ensure_python_env (get_objfile_arch (objfile), current_language); |
89c73ade TT |
780 | gdbpy_current_objfile = objfile; |
781 | ||
3a1d4620 DE |
782 | /* Note: If an exception occurs python will print the traceback and |
783 | clear the error indicator. */ | |
784 | PyRun_SimpleFile (stream, file); | |
89c73ade TT |
785 | |
786 | do_cleanups (cleanups); | |
787 | gdbpy_current_objfile = NULL; | |
89c73ade TT |
788 | } |
789 | ||
790 | /* Return the current Objfile, or None if there isn't one. */ | |
8a1ea21f | 791 | |
89c73ade TT |
792 | static PyObject * |
793 | gdbpy_get_current_objfile (PyObject *unused1, PyObject *unused2) | |
794 | { | |
795 | PyObject *result; | |
796 | ||
797 | if (! gdbpy_current_objfile) | |
798 | Py_RETURN_NONE; | |
799 | ||
800 | result = objfile_to_objfile_object (gdbpy_current_objfile); | |
801 | if (result) | |
802 | Py_INCREF (result); | |
803 | return result; | |
804 | } | |
805 | ||
806 | /* Return a sequence holding all the Objfiles. */ | |
fa33c3cd | 807 | |
89c73ade TT |
808 | static PyObject * |
809 | gdbpy_objfiles (PyObject *unused1, PyObject *unused2) | |
810 | { | |
811 | struct objfile *objf; | |
812 | PyObject *list; | |
813 | ||
814 | list = PyList_New (0); | |
815 | if (!list) | |
816 | return NULL; | |
817 | ||
818 | ALL_OBJFILES (objf) | |
819 | { | |
820 | PyObject *item = objfile_to_objfile_object (objf); | |
d59b6f6c | 821 | |
89c73ade TT |
822 | if (!item || PyList_Append (list, item) == -1) |
823 | { | |
824 | Py_DECREF (list); | |
825 | return NULL; | |
826 | } | |
827 | } | |
828 | ||
829 | return list; | |
830 | } | |
831 | ||
d57a3c85 TJB |
832 | #else /* HAVE_PYTHON */ |
833 | ||
834 | /* Dummy implementation of the gdb "python" command. */ | |
835 | ||
836 | static void | |
837 | python_command (char *arg, int from_tty) | |
838 | { | |
839 | while (arg && *arg && isspace (*arg)) | |
840 | ++arg; | |
841 | if (arg && *arg) | |
842 | error (_("Python scripting is not supported in this copy of GDB.")); | |
843 | else | |
844 | { | |
845 | struct command_line *l = get_command_line (python_control, ""); | |
846 | struct cleanup *cleanups = make_cleanup_free_command_lines (&l); | |
d59b6f6c | 847 | |
d57a3c85 TJB |
848 | execute_control_command_untraced (l); |
849 | do_cleanups (cleanups); | |
850 | } | |
851 | } | |
852 | ||
853 | void | |
854 | eval_python_from_control_command (struct command_line *cmd) | |
855 | { | |
856 | error (_("Python scripting is not supported in this copy of GDB.")); | |
857 | } | |
858 | ||
973817a3 | 859 | void |
3f7b2faa | 860 | source_python_script (FILE *stream, const char *file) |
973817a3 | 861 | { |
973817a3 JB |
862 | throw_error (UNSUPPORTED_ERROR, |
863 | _("Python scripting is not supported in this copy of GDB.")); | |
864 | } | |
865 | ||
d57a3c85 TJB |
866 | #endif /* HAVE_PYTHON */ |
867 | ||
868 | \f | |
869 | ||
870 | /* Lists for 'maint set python' commands. */ | |
871 | ||
8a1ea21f DE |
872 | struct cmd_list_element *set_python_list; |
873 | struct cmd_list_element *show_python_list; | |
d57a3c85 TJB |
874 | |
875 | /* Function for use by 'maint set python' prefix command. */ | |
876 | ||
877 | static void | |
878 | set_python (char *args, int from_tty) | |
879 | { | |
880 | help_list (set_python_list, "maintenance set python ", -1, gdb_stdout); | |
881 | } | |
882 | ||
883 | /* Function for use by 'maint show python' prefix command. */ | |
884 | ||
885 | static void | |
886 | show_python (char *args, int from_tty) | |
887 | { | |
888 | cmd_show_list (show_python_list, from_tty, ""); | |
889 | } | |
890 | ||
891 | /* Initialize the Python code. */ | |
892 | ||
2c0b251b PA |
893 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
894 | extern initialize_file_ftype _initialize_python; | |
895 | ||
d57a3c85 TJB |
896 | void |
897 | _initialize_python (void) | |
898 | { | |
899 | add_com ("python", class_obscure, python_command, | |
900 | #ifdef HAVE_PYTHON | |
901 | _("\ | |
902 | Evaluate a Python command.\n\ | |
903 | \n\ | |
904 | The command can be given as an argument, for instance:\n\ | |
905 | \n\ | |
906 | python print 23\n\ | |
907 | \n\ | |
908 | If no argument is given, the following lines are read and used\n\ | |
909 | as the Python commands. Type a line containing \"end\" to indicate\n\ | |
910 | the end of the command.") | |
911 | #else /* HAVE_PYTHON */ | |
912 | _("\ | |
913 | Evaluate a Python command.\n\ | |
914 | \n\ | |
915 | Python scripting is not supported in this copy of GDB.\n\ | |
916 | This command is only a placeholder.") | |
917 | #endif /* HAVE_PYTHON */ | |
918 | ); | |
919 | ||
920 | add_prefix_cmd ("python", no_class, show_python, | |
921 | _("Prefix command for python maintenance settings."), | |
509238d6 | 922 | &show_python_list, "maintenance show python ", 0, |
d57a3c85 TJB |
923 | &maintenance_show_cmdlist); |
924 | add_prefix_cmd ("python", no_class, set_python, | |
925 | _("Prefix command for python maintenance settings."), | |
509238d6 | 926 | &set_python_list, "maintenance set python ", 0, |
d57a3c85 TJB |
927 | &maintenance_set_cmdlist); |
928 | ||
929 | add_setshow_boolean_cmd ("print-stack", class_maintenance, | |
930 | &gdbpy_should_print_stack, _("\ | |
931 | Enable or disable printing of Python stack dump on error."), _("\ | |
932 | Show whether Python stack will be printed on error."), _("\ | |
933 | Enables or disables printing of Python stack traces."), | |
934 | NULL, NULL, | |
935 | &set_python_list, | |
936 | &show_python_list); | |
937 | ||
938 | #ifdef HAVE_PYTHON | |
0c4a4063 DE |
939 | #ifdef WITH_PYTHON_PATH |
940 | /* Work around problem where python gets confused about where it is, | |
941 | and then can't find its libraries, etc. | |
942 | NOTE: Python assumes the following layout: | |
943 | /foo/bin/python | |
944 | /foo/lib/pythonX.Y/... | |
945 | This must be done before calling Py_Initialize. */ | |
946 | Py_SetProgramName (concat (ldirname (python_libdir), SLASH_STRING, "bin", | |
947 | SLASH_STRING, "python", NULL)); | |
948 | #endif | |
949 | ||
d57a3c85 | 950 | Py_Initialize (); |
ca30a762 | 951 | PyEval_InitThreads (); |
d57a3c85 TJB |
952 | |
953 | gdb_module = Py_InitModule ("gdb", GdbMethods); | |
954 | ||
955 | /* The casts to (char*) are for python 2.4. */ | |
956 | PyModule_AddStringConstant (gdb_module, "VERSION", (char*) version); | |
957 | PyModule_AddStringConstant (gdb_module, "HOST_CONFIG", (char*) host_name); | |
9a2b4c1b MS |
958 | PyModule_AddStringConstant (gdb_module, "TARGET_CONFIG", |
959 | (char*) target_name); | |
f17618ea DE |
960 | |
961 | /* gdb.parameter ("data-directory") doesn't necessarily exist when the python | |
962 | script below is run (depending on order of _initialize_* functions). | |
963 | Define the initial value of gdb.PYTHONDIR here. */ | |
b14285f6 JB |
964 | { |
965 | char *gdb_pythondir; | |
966 | ||
967 | gdb_pythondir = concat (gdb_datadir, SLASH_STRING, "python", NULL); | |
968 | PyModule_AddStringConstant (gdb_module, "PYTHONDIR", gdb_pythondir); | |
969 | xfree (gdb_pythondir); | |
970 | } | |
d57a3c85 | 971 | |
621c8364 TT |
972 | gdbpy_gdb_error = PyErr_NewException ("gdb.error", PyExc_RuntimeError, NULL); |
973 | PyModule_AddObject (gdb_module, "error", gdbpy_gdb_error); | |
974 | ||
975 | gdbpy_gdb_memory_error = PyErr_NewException ("gdb.MemoryError", | |
976 | gdbpy_gdb_error, NULL); | |
977 | PyModule_AddObject (gdb_module, "MemoryError", gdbpy_gdb_memory_error); | |
978 | ||
07ca107c DE |
979 | gdbpy_gdberror_exc = PyErr_NewException ("gdb.GdbError", NULL, NULL); |
980 | PyModule_AddObject (gdb_module, "GdbError", gdbpy_gdberror_exc); | |
981 | ||
8a1ea21f | 982 | gdbpy_initialize_auto_load (); |
a08702d6 | 983 | gdbpy_initialize_values (); |
f8f6f20b | 984 | gdbpy_initialize_frames (); |
d8906c6f | 985 | gdbpy_initialize_commands (); |
f3e9a817 PM |
986 | gdbpy_initialize_symbols (); |
987 | gdbpy_initialize_symtabs (); | |
988 | gdbpy_initialize_blocks (); | |
bc3b79fd | 989 | gdbpy_initialize_functions (); |
d7b32ed3 | 990 | gdbpy_initialize_parameters (); |
2c74e833 | 991 | gdbpy_initialize_types (); |
fa33c3cd | 992 | gdbpy_initialize_pspace (); |
89c73ade | 993 | gdbpy_initialize_objfile (); |
adc36818 | 994 | gdbpy_initialize_breakpoints (); |
be759fcf | 995 | gdbpy_initialize_lazy_string (); |
595939de PM |
996 | gdbpy_initialize_thread (); |
997 | gdbpy_initialize_inferior (); | |
ca5c20b6 | 998 | gdbpy_initialize_events (); |
a08702d6 | 999 | |
d57a3c85 | 1000 | PyRun_SimpleString ("import gdb"); |
a6bac58e | 1001 | PyRun_SimpleString ("gdb.pretty_printers = []"); |
d57a3c85 | 1002 | |
a6bac58e TT |
1003 | gdbpy_to_string_cst = PyString_FromString ("to_string"); |
1004 | gdbpy_children_cst = PyString_FromString ("children"); | |
1005 | gdbpy_display_hint_cst = PyString_FromString ("display_hint"); | |
d8906c6f | 1006 | gdbpy_doc_cst = PyString_FromString ("__doc__"); |
967cf477 | 1007 | gdbpy_enabled_cst = PyString_FromString ("enabled"); |
d8906c6f | 1008 | |
9dea9163 DE |
1009 | /* Release the GIL while gdb runs. */ |
1010 | PyThreadState_Swap (NULL); | |
1011 | PyEval_ReleaseLock (); | |
1012 | ||
1013 | #endif /* HAVE_PYTHON */ | |
1014 | } | |
1015 | ||
1016 | #ifdef HAVE_PYTHON | |
1017 | ||
1018 | /* Perform the remaining python initializations. | |
1019 | These must be done after GDB is at least mostly initialized. | |
1020 | E.g., The "info pretty-printer" command needs the "info" prefix | |
1021 | command installed. */ | |
1022 | ||
1023 | void | |
1024 | finish_python_initialization (void) | |
1025 | { | |
1026 | struct cleanup *cleanup; | |
1027 | ||
1028 | cleanup = ensure_python_env (get_current_arch (), current_language); | |
f17618ea | 1029 | |
d57a3c85 | 1030 | PyRun_SimpleString ("\ |
f17618ea | 1031 | import os\n\ |
d57a3c85 | 1032 | import sys\n\ |
f17618ea | 1033 | \n\ |
d57a3c85 TJB |
1034 | class GdbOutputFile:\n\ |
1035 | def close(self):\n\ | |
1036 | # Do nothing.\n\ | |
1037 | return None\n\ | |
1038 | \n\ | |
1039 | def isatty(self):\n\ | |
1040 | return False\n\ | |
1041 | \n\ | |
1042 | def write(self, s):\n\ | |
1043 | gdb.write(s)\n\ | |
1044 | \n\ | |
1045 | def writelines(self, iterable):\n\ | |
1046 | for line in iterable:\n\ | |
1047 | self.write(line)\n\ | |
1048 | \n\ | |
1049 | def flush(self):\n\ | |
1050 | gdb.flush()\n\ | |
1051 | \n\ | |
1052 | sys.stderr = GdbOutputFile()\n\ | |
1053 | sys.stdout = GdbOutputFile()\n\ | |
b14285f6 | 1054 | \n\ |
f17618ea DE |
1055 | # Ideally this would live in the gdb module, but it's intentionally written\n\ |
1056 | # in python, and we need this to bootstrap the gdb module.\n\ | |
1057 | \n\ | |
1058 | def GdbSetPythonDirectory (dir):\n\ | |
1059 | \"Set gdb.PYTHONDIR and update sys.path,etc.\"\n\ | |
1060 | old_dir = gdb.PYTHONDIR\n\ | |
1061 | gdb.PYTHONDIR = dir\n\ | |
1062 | # GDB's python scripts are stored inside gdb.PYTHONDIR. So insert\n\ | |
1063 | # that directory name at the start of sys.path to allow the Python\n\ | |
1064 | # interpreter to find them.\n\ | |
1065 | if old_dir in sys.path:\n\ | |
1066 | sys.path.remove (old_dir)\n\ | |
1067 | sys.path.insert (0, gdb.PYTHONDIR)\n\ | |
1068 | \n\ | |
1069 | # Tell python where to find submodules of gdb.\n\ | |
1070 | gdb.__path__ = [gdb.PYTHONDIR + '/gdb']\n\ | |
1071 | \n\ | |
1072 | # The gdb module is implemented in C rather than in Python. As a result,\n\ | |
1073 | # the associated __init.py__ script is not not executed by default when\n\ | |
1074 | # the gdb module gets imported. Execute that script manually if it\n\ | |
1075 | # exists.\n\ | |
1076 | ipy = gdb.PYTHONDIR + '/gdb/__init__.py'\n\ | |
1077 | if os.path.exists (ipy):\n\ | |
1078 | execfile (ipy)\n\ | |
b14285f6 | 1079 | \n\ |
f17618ea DE |
1080 | # Install the default gdb.PYTHONDIR.\n\ |
1081 | GdbSetPythonDirectory (gdb.PYTHONDIR)\n\ | |
d57a3c85 | 1082 | "); |
ca30a762 | 1083 | |
9dea9163 DE |
1084 | do_cleanups (cleanup); |
1085 | } | |
ca30a762 | 1086 | |
d57a3c85 | 1087 | #endif /* HAVE_PYTHON */ |
12453b93 TJB |
1088 | |
1089 | \f | |
1090 | ||
9dea9163 | 1091 | #ifdef HAVE_PYTHON |
12453b93 TJB |
1092 | |
1093 | static PyMethodDef GdbMethods[] = | |
1094 | { | |
1095 | { "history", gdbpy_history, METH_VARARGS, | |
1096 | "Get a value from history" }, | |
bc9f0842 | 1097 | { "execute", (PyCFunction) execute_gdb_command, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 1098 | "Execute a gdb command" }, |
8f500870 | 1099 | { "parameter", gdbpy_parameter, METH_VARARGS, |
12453b93 TJB |
1100 | "Return a gdb parameter's value" }, |
1101 | ||
adc36818 PM |
1102 | { "breakpoints", gdbpy_breakpoints, METH_NOARGS, |
1103 | "Return a tuple of all breakpoint objects" }, | |
1104 | ||
b6313243 TT |
1105 | { "default_visualizer", gdbpy_default_visualizer, METH_VARARGS, |
1106 | "Find the default visualizer for a Value." }, | |
1107 | ||
fa33c3cd DE |
1108 | { "current_progspace", gdbpy_get_current_progspace, METH_NOARGS, |
1109 | "Return the current Progspace." }, | |
1110 | { "progspaces", gdbpy_progspaces, METH_NOARGS, | |
1111 | "Return a sequence of all progspaces." }, | |
1112 | ||
89c73ade TT |
1113 | { "current_objfile", gdbpy_get_current_objfile, METH_NOARGS, |
1114 | "Return the current Objfile being loaded, or None." }, | |
1115 | { "objfiles", gdbpy_objfiles, METH_NOARGS, | |
1116 | "Return a sequence of all loaded objfiles." }, | |
1117 | ||
d8e22779 TT |
1118 | { "newest_frame", gdbpy_newest_frame, METH_NOARGS, |
1119 | "newest_frame () -> gdb.Frame.\n\ | |
1120 | Return the newest frame object." }, | |
f8f6f20b TJB |
1121 | { "selected_frame", gdbpy_selected_frame, METH_NOARGS, |
1122 | "selected_frame () -> gdb.Frame.\n\ | |
1123 | Return the selected frame object." }, | |
1124 | { "frame_stop_reason_string", gdbpy_frame_stop_reason_string, METH_VARARGS, | |
1125 | "stop_reason_string (Integer) -> String.\n\ | |
1126 | Return a string explaining unwind stop reason." }, | |
1127 | ||
2c74e833 TT |
1128 | { "lookup_type", (PyCFunction) gdbpy_lookup_type, |
1129 | METH_VARARGS | METH_KEYWORDS, | |
1130 | "lookup_type (name [, block]) -> type\n\ | |
1131 | Return a Type corresponding to the given name." }, | |
f3e9a817 PM |
1132 | { "lookup_symbol", (PyCFunction) gdbpy_lookup_symbol, |
1133 | METH_VARARGS | METH_KEYWORDS, | |
1134 | "lookup_symbol (name [, block] [, domain]) -> (symbol, is_field_of_this)\n\ | |
1135 | Return a tuple with the symbol corresponding to the given name (or None) and\n\ | |
1136 | a boolean indicating if name is a field of the current implied argument\n\ | |
1137 | `this' (when the current language is object-oriented)." }, | |
1138 | { "block_for_pc", gdbpy_block_for_pc, METH_VARARGS, | |
1139 | "Return the block containing the given pc value, or None." }, | |
cb2e07a6 PM |
1140 | { "solib_name", gdbpy_solib_name, METH_VARARGS, |
1141 | "solib_name (Long) -> String.\n\ | |
1142 | Return the name of the shared library holding a given address, or None." }, | |
1143 | { "decode_line", gdbpy_decode_line, METH_VARARGS, | |
1144 | "decode_line (String) -> Tuple. Decode a string argument the way\n\ | |
1145 | that 'break' or 'edit' does. Return a tuple containing two elements.\n\ | |
1146 | The first element contains any unparsed portion of the String parameter\n\ | |
1147 | (or None if the string was fully parsed). The second element contains\n\ | |
1148 | a tuple that contains all the locations that match, represented as\n\ | |
1149 | gdb.Symtab_and_line objects (or None)."}, | |
57a1d736 TT |
1150 | { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS, |
1151 | "parse_and_eval (String) -> Value.\n\ | |
1152 | Parse String as an expression, evaluate it, and return the result as a Value." | |
1153 | }, | |
1154 | ||
ca5c20b6 PM |
1155 | { "post_event", gdbpy_post_event, METH_VARARGS, |
1156 | "Post an event into gdb's event loop." }, | |
1157 | ||
f870a310 TT |
1158 | { "target_charset", gdbpy_target_charset, METH_NOARGS, |
1159 | "target_charset () -> string.\n\ | |
1160 | Return the name of the current target charset." }, | |
1161 | { "target_wide_charset", gdbpy_target_wide_charset, METH_NOARGS, | |
1162 | "target_wide_charset () -> string.\n\ | |
1163 | Return the name of the current target wide charset." }, | |
1164 | ||
07ca107c DE |
1165 | { "string_to_argv", gdbpy_string_to_argv, METH_VARARGS, |
1166 | "string_to_argv (String) -> Array.\n\ | |
1167 | Parse String and return an argv-like array.\n\ | |
1168 | Arguments are separate by spaces and may be quoted." | |
1169 | }, | |
1170 | ||
12453b93 TJB |
1171 | { "write", gdbpy_write, METH_VARARGS, |
1172 | "Write a string using gdb's filtered stream." }, | |
1173 | { "flush", gdbpy_flush, METH_NOARGS, | |
1174 | "Flush gdb's filtered stdout stream." }, | |
595939de PM |
1175 | { "selected_thread", gdbpy_selected_thread, METH_NOARGS, |
1176 | "selected_thread () -> gdb.InferiorThread.\n\ | |
1177 | Return the selected thread object." }, | |
1178 | { "inferiors", gdbpy_inferiors, METH_NOARGS, | |
1179 | "inferiors () -> (gdb.Inferior, ...).\n\ | |
1180 | Return a tuple containing all inferiors." }, | |
12453b93 TJB |
1181 | {NULL, NULL, 0, NULL} |
1182 | }; | |
1183 | ||
1184 | #endif /* HAVE_PYTHON */ |