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d57a3c85 TJB |
1 | /* General python/gdb code |
2 | ||
4c38e0a4 | 3 | Copyright (C) 2008, 2009, 2010 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 UW |
68 | |
69 | /* Architecture and language to be used in callbacks from | |
70 | the Python interpreter. */ | |
71 | struct gdbarch *python_gdbarch; | |
72 | const struct language_defn *python_language; | |
73 | ||
74 | /* Restore global language and architecture and Python GIL state | |
75 | when leaving the Python interpreter. */ | |
76 | ||
77 | struct python_env | |
78 | { | |
79 | PyGILState_STATE state; | |
80 | struct gdbarch *gdbarch; | |
81 | const struct language_defn *language; | |
8dc78533 | 82 | PyObject *error_type, *error_value, *error_traceback; |
d452c4bc UW |
83 | }; |
84 | ||
85 | static void | |
86 | restore_python_env (void *p) | |
87 | { | |
88 | struct python_env *env = (struct python_env *)p; | |
d59b6f6c | 89 | |
8dc78533 JK |
90 | /* Leftover Python error is forbidden by Python Exception Handling. */ |
91 | if (PyErr_Occurred ()) | |
92 | { | |
93 | /* This order is similar to the one calling error afterwards. */ | |
94 | gdbpy_print_stack (); | |
95 | warning (_("internal error: Unhandled Python exception")); | |
96 | } | |
97 | ||
98 | PyErr_Restore (env->error_type, env->error_value, env->error_traceback); | |
99 | ||
d452c4bc UW |
100 | PyGILState_Release (env->state); |
101 | python_gdbarch = env->gdbarch; | |
102 | python_language = env->language; | |
103 | xfree (env); | |
104 | } | |
105 | ||
106 | /* Called before entering the Python interpreter to install the | |
107 | current language and architecture to be used for Python values. */ | |
108 | ||
109 | struct cleanup * | |
110 | ensure_python_env (struct gdbarch *gdbarch, | |
111 | const struct language_defn *language) | |
112 | { | |
113 | struct python_env *env = xmalloc (sizeof *env); | |
114 | ||
115 | env->state = PyGILState_Ensure (); | |
116 | env->gdbarch = python_gdbarch; | |
117 | env->language = python_language; | |
118 | ||
119 | python_gdbarch = gdbarch; | |
120 | python_language = language; | |
121 | ||
8dc78533 JK |
122 | /* Save it and ensure ! PyErr_Occurred () afterwards. */ |
123 | PyErr_Fetch (&env->error_type, &env->error_value, &env->error_traceback); | |
124 | ||
d452c4bc UW |
125 | return make_cleanup (restore_python_env, env); |
126 | } | |
127 | ||
128 | ||
d57a3c85 TJB |
129 | /* Given a command_line, return a command string suitable for passing |
130 | to Python. Lines in the string are separated by newlines. The | |
131 | return value is allocated using xmalloc and the caller is | |
132 | responsible for freeing it. */ | |
133 | ||
134 | static char * | |
135 | compute_python_string (struct command_line *l) | |
136 | { | |
137 | struct command_line *iter; | |
138 | char *script = NULL; | |
139 | int size = 0; | |
140 | int here; | |
141 | ||
142 | for (iter = l; iter; iter = iter->next) | |
143 | size += strlen (iter->line) + 1; | |
144 | ||
145 | script = xmalloc (size + 1); | |
146 | here = 0; | |
147 | for (iter = l; iter; iter = iter->next) | |
148 | { | |
149 | int len = strlen (iter->line); | |
d59b6f6c | 150 | |
d57a3c85 TJB |
151 | strcpy (&script[here], iter->line); |
152 | here += len; | |
153 | script[here++] = '\n'; | |
154 | } | |
155 | script[here] = '\0'; | |
156 | return script; | |
157 | } | |
158 | ||
159 | /* Take a command line structure representing a 'python' command, and | |
160 | evaluate its body using the Python interpreter. */ | |
161 | ||
162 | void | |
163 | eval_python_from_control_command (struct command_line *cmd) | |
164 | { | |
12453b93 | 165 | int ret; |
d57a3c85 | 166 | char *script; |
ca30a762 | 167 | struct cleanup *cleanup; |
d57a3c85 TJB |
168 | |
169 | if (cmd->body_count != 1) | |
170 | error (_("Invalid \"python\" block structure.")); | |
171 | ||
d452c4bc | 172 | cleanup = ensure_python_env (get_current_arch (), current_language); |
ca30a762 | 173 | |
d57a3c85 | 174 | script = compute_python_string (cmd->body_list[0]); |
12453b93 | 175 | ret = PyRun_SimpleString (script); |
d57a3c85 | 176 | xfree (script); |
12453b93 | 177 | if (ret) |
d57a3c85 TJB |
178 | { |
179 | gdbpy_print_stack (); | |
12453b93 | 180 | error (_("Error while executing Python code.")); |
d57a3c85 | 181 | } |
ca30a762 TT |
182 | |
183 | do_cleanups (cleanup); | |
d57a3c85 TJB |
184 | } |
185 | ||
186 | /* Implementation of the gdb "python" command. */ | |
187 | ||
188 | static void | |
189 | python_command (char *arg, int from_tty) | |
190 | { | |
ca30a762 | 191 | struct cleanup *cleanup; |
ca30a762 | 192 | |
d59b6f6c | 193 | cleanup = ensure_python_env (get_current_arch (), current_language); |
d57a3c85 TJB |
194 | while (arg && *arg && isspace (*arg)) |
195 | ++arg; | |
196 | if (arg && *arg) | |
197 | { | |
12453b93 | 198 | if (PyRun_SimpleString (arg)) |
d57a3c85 TJB |
199 | { |
200 | gdbpy_print_stack (); | |
12453b93 | 201 | error (_("Error while executing Python code.")); |
d57a3c85 TJB |
202 | } |
203 | } | |
204 | else | |
205 | { | |
206 | struct command_line *l = get_command_line (python_control, ""); | |
d59b6f6c | 207 | |
ca30a762 | 208 | make_cleanup_free_command_lines (&l); |
d57a3c85 | 209 | execute_control_command_untraced (l); |
d57a3c85 | 210 | } |
ca30a762 TT |
211 | |
212 | do_cleanups (cleanup); | |
d57a3c85 TJB |
213 | } |
214 | ||
215 | \f | |
216 | ||
217 | /* Transform a gdb parameters's value into a Python value. May return | |
218 | NULL (and set a Python exception) on error. Helper function for | |
219 | get_parameter. */ | |
d7b32ed3 PM |
220 | PyObject * |
221 | gdbpy_parameter_value (enum var_types type, void *var) | |
d57a3c85 | 222 | { |
d7b32ed3 | 223 | switch (type) |
d57a3c85 TJB |
224 | { |
225 | case var_string: | |
226 | case var_string_noescape: | |
227 | case var_optional_filename: | |
228 | case var_filename: | |
229 | case var_enum: | |
230 | { | |
d7b32ed3 | 231 | char *str = * (char **) var; |
d59b6f6c | 232 | |
d57a3c85 TJB |
233 | if (! str) |
234 | str = ""; | |
235 | return PyString_Decode (str, strlen (str), host_charset (), NULL); | |
236 | } | |
237 | ||
238 | case var_boolean: | |
239 | { | |
d7b32ed3 | 240 | if (* (int *) var) |
d57a3c85 TJB |
241 | Py_RETURN_TRUE; |
242 | else | |
243 | Py_RETURN_FALSE; | |
244 | } | |
245 | ||
246 | case var_auto_boolean: | |
247 | { | |
d7b32ed3 | 248 | enum auto_boolean ab = * (enum auto_boolean *) var; |
d59b6f6c | 249 | |
d57a3c85 TJB |
250 | if (ab == AUTO_BOOLEAN_TRUE) |
251 | Py_RETURN_TRUE; | |
252 | else if (ab == AUTO_BOOLEAN_FALSE) | |
253 | Py_RETURN_FALSE; | |
254 | else | |
255 | Py_RETURN_NONE; | |
256 | } | |
257 | ||
258 | case var_integer: | |
d7b32ed3 | 259 | if ((* (int *) var) == INT_MAX) |
d57a3c85 TJB |
260 | Py_RETURN_NONE; |
261 | /* Fall through. */ | |
262 | case var_zinteger: | |
d7b32ed3 | 263 | return PyLong_FromLong (* (int *) var); |
d57a3c85 TJB |
264 | |
265 | case var_uinteger: | |
266 | { | |
d7b32ed3 | 267 | unsigned int val = * (unsigned int *) var; |
d59b6f6c | 268 | |
d57a3c85 TJB |
269 | if (val == UINT_MAX) |
270 | Py_RETURN_NONE; | |
271 | return PyLong_FromUnsignedLong (val); | |
272 | } | |
273 | } | |
274 | ||
044c0f87 PM |
275 | return PyErr_Format (PyExc_RuntimeError, |
276 | _("Programmer error: unhandled type.")); | |
d57a3c85 TJB |
277 | } |
278 | ||
279 | /* A Python function which returns a gdb parameter's value as a Python | |
280 | value. */ | |
281 | ||
d7b32ed3 | 282 | PyObject * |
8f500870 | 283 | gdbpy_parameter (PyObject *self, PyObject *args) |
d57a3c85 TJB |
284 | { |
285 | struct cmd_list_element *alias, *prefix, *cmd; | |
286 | char *arg, *newarg; | |
cc924cad | 287 | int found = -1; |
d57a3c85 TJB |
288 | volatile struct gdb_exception except; |
289 | ||
290 | if (! PyArg_ParseTuple (args, "s", &arg)) | |
291 | return NULL; | |
292 | ||
293 | newarg = concat ("show ", arg, (char *) NULL); | |
294 | ||
295 | TRY_CATCH (except, RETURN_MASK_ALL) | |
296 | { | |
cc924cad | 297 | found = lookup_cmd_composition (newarg, &alias, &prefix, &cmd); |
d57a3c85 TJB |
298 | } |
299 | xfree (newarg); | |
300 | GDB_PY_HANDLE_EXCEPTION (except); | |
cc924cad TJB |
301 | if (!found) |
302 | return PyErr_Format (PyExc_RuntimeError, | |
044c0f87 | 303 | _("Could not find parameter `%s'."), arg); |
d57a3c85 TJB |
304 | |
305 | if (! cmd->var) | |
044c0f87 PM |
306 | return PyErr_Format (PyExc_RuntimeError, |
307 | _("`%s' is not a parameter."), arg); | |
d7b32ed3 | 308 | return gdbpy_parameter_value (cmd->var_type, cmd->var); |
d57a3c85 TJB |
309 | } |
310 | ||
f870a310 TT |
311 | /* Wrapper for target_charset. */ |
312 | ||
313 | static PyObject * | |
314 | gdbpy_target_charset (PyObject *self, PyObject *args) | |
315 | { | |
316 | const char *cset = target_charset (python_gdbarch); | |
d59b6f6c | 317 | |
f870a310 TT |
318 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
319 | } | |
320 | ||
321 | /* Wrapper for target_wide_charset. */ | |
322 | ||
323 | static PyObject * | |
324 | gdbpy_target_wide_charset (PyObject *self, PyObject *args) | |
325 | { | |
326 | const char *cset = target_wide_charset (python_gdbarch); | |
d59b6f6c | 327 | |
f870a310 TT |
328 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
329 | } | |
330 | ||
d57a3c85 TJB |
331 | /* A Python function which evaluates a string using the gdb CLI. */ |
332 | ||
333 | static PyObject * | |
bc9f0842 | 334 | execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw) |
d57a3c85 | 335 | { |
f92adf3c | 336 | char *arg; |
bc9f0842 TT |
337 | PyObject *from_tty_obj = NULL, *to_string_obj = NULL; |
338 | int from_tty, to_string; | |
d57a3c85 | 339 | volatile struct gdb_exception except; |
bc9f0842 TT |
340 | static char *keywords[] = {"command", "from_tty", "to_string", NULL }; |
341 | char *result = NULL; | |
d57a3c85 | 342 | |
bc9f0842 TT |
343 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O!O!", keywords, &arg, |
344 | &PyBool_Type, &from_tty_obj, | |
345 | &PyBool_Type, &to_string_obj)) | |
d57a3c85 TJB |
346 | return NULL; |
347 | ||
12453b93 TJB |
348 | from_tty = 0; |
349 | if (from_tty_obj) | |
350 | { | |
bc9f0842 | 351 | int cmp = PyObject_IsTrue (from_tty_obj); |
12453b93 | 352 | if (cmp < 0) |
bc9f0842 | 353 | return NULL; |
12453b93 TJB |
354 | from_tty = cmp; |
355 | } | |
356 | ||
bc9f0842 TT |
357 | to_string = 0; |
358 | if (to_string_obj) | |
359 | { | |
360 | int cmp = PyObject_IsTrue (to_string_obj); | |
361 | if (cmp < 0) | |
362 | return NULL; | |
363 | to_string = cmp; | |
364 | } | |
365 | ||
d57a3c85 TJB |
366 | TRY_CATCH (except, RETURN_MASK_ALL) |
367 | { | |
86c6265d TT |
368 | /* Copy the argument text in case the command modifies it. */ |
369 | char *copy = xstrdup (arg); | |
370 | struct cleanup *cleanup = make_cleanup (xfree, copy); | |
bc9f0842 TT |
371 | |
372 | if (to_string) | |
5da1313b JK |
373 | result = execute_command_to_string (copy, from_tty); |
374 | else | |
bc9f0842 | 375 | { |
5da1313b JK |
376 | result = NULL; |
377 | execute_command (copy, from_tty); | |
bc9f0842 | 378 | } |
d59b6f6c | 379 | |
86c6265d | 380 | do_cleanups (cleanup); |
d57a3c85 TJB |
381 | } |
382 | GDB_PY_HANDLE_EXCEPTION (except); | |
383 | ||
347bddb7 PA |
384 | /* Do any commands attached to breakpoint we stopped at. */ |
385 | bpstat_do_actions (); | |
d57a3c85 | 386 | |
bc9f0842 TT |
387 | if (result) |
388 | { | |
389 | PyObject *r = PyString_FromString (result); | |
390 | xfree (result); | |
391 | return r; | |
392 | } | |
d57a3c85 TJB |
393 | Py_RETURN_NONE; |
394 | } | |
395 | ||
cb2e07a6 PM |
396 | /* Implementation of gdb.solib_name (Long) -> String. |
397 | Returns the name of the shared library holding a given address, or None. */ | |
398 | ||
399 | static PyObject * | |
400 | gdbpy_solib_name (PyObject *self, PyObject *args) | |
401 | { | |
402 | char *soname; | |
403 | PyObject *str_obj; | |
404 | #ifdef PY_LONG_LONG | |
405 | unsigned PY_LONG_LONG pc; | |
76d8b686 KW |
406 | /* To be compatible with Python 2.4 the format strings are not const. */ |
407 | char *format = "K"; | |
cb2e07a6 PM |
408 | #else |
409 | unsigned long pc; | |
76d8b686 | 410 | char *format = "k"; |
cb2e07a6 PM |
411 | #endif |
412 | ||
413 | if (!PyArg_ParseTuple (args, format, &pc)) | |
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 | { | |
433 | struct symtabs_and_lines sals = { NULL, 0 }; /* Initialize to appease gcc. */ | |
434 | struct symtab_and_line sal; | |
435 | char *arg = NULL; | |
436 | char *copy = NULL; | |
437 | struct cleanup *cleanups; | |
438 | PyObject *result = NULL; | |
439 | PyObject *return_result = NULL; | |
440 | PyObject *unparsed = NULL; | |
441 | volatile struct gdb_exception except; | |
442 | ||
443 | if (! PyArg_ParseTuple (args, "|s", &arg)) | |
444 | return NULL; | |
445 | ||
446 | cleanups = ensure_python_env (get_current_arch (), current_language); | |
447 | ||
448 | TRY_CATCH (except, RETURN_MASK_ALL) | |
449 | { | |
450 | if (arg) | |
451 | { | |
452 | arg = xstrdup (arg); | |
453 | make_cleanup (xfree, arg); | |
454 | copy = arg; | |
455 | sals = decode_line_1 (©, 0, 0, 0, 0, 0); | |
456 | make_cleanup (xfree, sals.sals); | |
457 | } | |
458 | else | |
459 | { | |
460 | set_default_source_symtab_and_line (); | |
461 | sal = get_current_source_symtab_and_line (); | |
462 | sals.sals = &sal; | |
463 | sals.nelts = 1; | |
464 | } | |
465 | } | |
466 | if (except.reason < 0) | |
467 | { | |
468 | do_cleanups (cleanups); | |
469 | /* We know this will always throw. */ | |
470 | GDB_PY_HANDLE_EXCEPTION (except); | |
471 | } | |
472 | ||
473 | if (sals.nelts) | |
474 | { | |
475 | int i; | |
476 | ||
477 | result = PyTuple_New (sals.nelts); | |
478 | if (! result) | |
479 | goto error; | |
480 | for (i = 0; i < sals.nelts; ++i) | |
481 | { | |
482 | PyObject *obj; | |
483 | char *str; | |
484 | ||
485 | obj = symtab_and_line_to_sal_object (sals.sals[i]); | |
486 | if (! obj) | |
487 | { | |
488 | Py_DECREF (result); | |
489 | goto error; | |
490 | } | |
491 | ||
492 | PyTuple_SetItem (result, i, obj); | |
493 | } | |
494 | } | |
495 | else | |
496 | { | |
497 | result = Py_None; | |
498 | Py_INCREF (Py_None); | |
499 | } | |
500 | ||
501 | return_result = PyTuple_New (2); | |
502 | if (! return_result) | |
503 | { | |
504 | Py_DECREF (result); | |
505 | goto error; | |
506 | } | |
507 | ||
508 | if (copy && strlen (copy) > 0) | |
509 | unparsed = PyString_FromString (copy); | |
510 | else | |
511 | { | |
512 | unparsed = Py_None; | |
513 | Py_INCREF (Py_None); | |
514 | } | |
515 | ||
516 | PyTuple_SetItem (return_result, 0, unparsed); | |
517 | PyTuple_SetItem (return_result, 1, result); | |
518 | ||
519 | do_cleanups (cleanups); | |
520 | ||
521 | return return_result; | |
522 | ||
523 | error: | |
524 | do_cleanups (cleanups); | |
525 | return NULL; | |
526 | } | |
527 | ||
57a1d736 TT |
528 | /* Parse a string and evaluate it as an expression. */ |
529 | static PyObject * | |
530 | gdbpy_parse_and_eval (PyObject *self, PyObject *args) | |
531 | { | |
532 | char *expr_str; | |
533 | struct value *result = NULL; | |
534 | volatile struct gdb_exception except; | |
535 | ||
536 | if (!PyArg_ParseTuple (args, "s", &expr_str)) | |
537 | return NULL; | |
538 | ||
539 | TRY_CATCH (except, RETURN_MASK_ALL) | |
540 | { | |
541 | result = parse_and_eval (expr_str); | |
542 | } | |
543 | GDB_PY_HANDLE_EXCEPTION (except); | |
544 | ||
545 | return value_to_value_object (result); | |
546 | } | |
547 | ||
973817a3 | 548 | /* Read a file as Python code. STREAM is the input file; FILE is the |
3f7b2faa DE |
549 | name of the file. |
550 | STREAM is not closed, that is the caller's responsibility. */ | |
973817a3 JB |
551 | |
552 | void | |
3f7b2faa | 553 | source_python_script (FILE *stream, const char *file) |
973817a3 | 554 | { |
eb5cda86 | 555 | struct cleanup *cleanup; |
973817a3 | 556 | |
eb5cda86 | 557 | cleanup = ensure_python_env (get_current_arch (), current_language); |
973817a3 | 558 | |
3a1d4620 DE |
559 | /* Note: If an exception occurs python will print the traceback and |
560 | clear the error indicator. */ | |
973817a3 JB |
561 | PyRun_SimpleFile (stream, file); |
562 | ||
eb5cda86 | 563 | do_cleanups (cleanup); |
973817a3 JB |
564 | } |
565 | ||
d57a3c85 TJB |
566 | \f |
567 | ||
ca5c20b6 PM |
568 | /* Posting and handling events. */ |
569 | ||
570 | /* A single event. */ | |
571 | struct gdbpy_event | |
572 | { | |
573 | /* The Python event. This is just a callable object. */ | |
574 | PyObject *event; | |
575 | /* The next event. */ | |
576 | struct gdbpy_event *next; | |
577 | }; | |
578 | ||
579 | /* All pending events. */ | |
580 | static struct gdbpy_event *gdbpy_event_list; | |
581 | /* The final link of the event list. */ | |
582 | static struct gdbpy_event **gdbpy_event_list_end; | |
583 | ||
584 | /* We use a file handler, and not an async handler, so that we can | |
585 | wake up the main thread even when it is blocked in poll(). */ | |
4a532131 | 586 | static struct serial *gdbpy_event_fds[2]; |
ca5c20b6 PM |
587 | |
588 | /* The file handler callback. This reads from the internal pipe, and | |
589 | then processes the Python event queue. This will always be run in | |
590 | the main gdb thread. */ | |
4a532131 | 591 | |
ca5c20b6 | 592 | static void |
4a532131 | 593 | gdbpy_run_events (struct serial *scb, void *context) |
ca5c20b6 PM |
594 | { |
595 | struct cleanup *cleanup; | |
ca5c20b6 PM |
596 | int r; |
597 | ||
598 | cleanup = ensure_python_env (get_current_arch (), current_language); | |
599 | ||
4a532131 PA |
600 | /* Flush the fd. Do this before flushing the events list, so that |
601 | any new event post afterwards is sure to re-awake the event | |
602 | loop. */ | |
603 | while (serial_readchar (gdbpy_event_fds[0], 0) >= 0) | |
604 | ; | |
ca5c20b6 PM |
605 | |
606 | while (gdbpy_event_list) | |
607 | { | |
608 | /* Dispatching the event might push a new element onto the event | |
609 | loop, so we update here "atomically enough". */ | |
610 | struct gdbpy_event *item = gdbpy_event_list; | |
611 | gdbpy_event_list = gdbpy_event_list->next; | |
612 | if (gdbpy_event_list == NULL) | |
613 | gdbpy_event_list_end = &gdbpy_event_list; | |
614 | ||
615 | /* Ignore errors. */ | |
616 | if (PyObject_CallObject (item->event, NULL) == NULL) | |
617 | PyErr_Clear (); | |
618 | ||
619 | Py_DECREF (item->event); | |
620 | xfree (item); | |
621 | } | |
622 | ||
623 | do_cleanups (cleanup); | |
624 | } | |
625 | ||
626 | /* Submit an event to the gdb thread. */ | |
627 | static PyObject * | |
628 | gdbpy_post_event (PyObject *self, PyObject *args) | |
629 | { | |
630 | struct gdbpy_event *event; | |
631 | PyObject *func; | |
632 | int wakeup; | |
633 | ||
634 | if (!PyArg_ParseTuple (args, "O", &func)) | |
635 | return NULL; | |
636 | ||
637 | if (!PyCallable_Check (func)) | |
638 | { | |
639 | PyErr_SetString (PyExc_RuntimeError, | |
640 | _("Posted event is not callable")); | |
641 | return NULL; | |
642 | } | |
643 | ||
644 | Py_INCREF (func); | |
645 | ||
646 | /* From here until the end of the function, we have the GIL, so we | |
647 | can operate on our global data structures without worrying. */ | |
648 | wakeup = gdbpy_event_list == NULL; | |
649 | ||
650 | event = XNEW (struct gdbpy_event); | |
651 | event->event = func; | |
652 | event->next = NULL; | |
653 | *gdbpy_event_list_end = event; | |
654 | gdbpy_event_list_end = &event->next; | |
655 | ||
656 | /* Wake up gdb when needed. */ | |
657 | if (wakeup) | |
658 | { | |
659 | char c = 'q'; /* Anything. */ | |
4a532131 PA |
660 | |
661 | if (serial_write (gdbpy_event_fds[1], &c, 1)) | |
ca5c20b6 PM |
662 | return PyErr_SetFromErrno (PyExc_IOError); |
663 | } | |
664 | ||
665 | Py_RETURN_NONE; | |
666 | } | |
667 | ||
668 | /* Initialize the Python event handler. */ | |
669 | static void | |
670 | gdbpy_initialize_events (void) | |
671 | { | |
4a532131 | 672 | if (serial_pipe (gdbpy_event_fds) == 0) |
ca5c20b6 PM |
673 | { |
674 | gdbpy_event_list_end = &gdbpy_event_list; | |
4a532131 | 675 | serial_async (gdbpy_event_fds[0], gdbpy_run_events, NULL); |
ca5c20b6 PM |
676 | } |
677 | } | |
678 | ||
d57a3c85 TJB |
679 | /* Printing. */ |
680 | ||
681 | /* A python function to write a single string using gdb's filtered | |
682 | output stream. */ | |
683 | static PyObject * | |
684 | gdbpy_write (PyObject *self, PyObject *args) | |
685 | { | |
686 | char *arg; | |
d59b6f6c | 687 | |
d57a3c85 TJB |
688 | if (! PyArg_ParseTuple (args, "s", &arg)) |
689 | return NULL; | |
690 | printf_filtered ("%s", arg); | |
691 | Py_RETURN_NONE; | |
692 | } | |
693 | ||
694 | /* A python function to flush gdb's filtered output stream. */ | |
695 | static PyObject * | |
696 | gdbpy_flush (PyObject *self, PyObject *args) | |
697 | { | |
698 | gdb_flush (gdb_stdout); | |
699 | Py_RETURN_NONE; | |
700 | } | |
701 | ||
702 | /* Print a python exception trace, or print nothing and clear the | |
703 | python exception, depending on gdbpy_should_print_stack. Only call | |
704 | this if a python exception is set. */ | |
705 | void | |
706 | gdbpy_print_stack (void) | |
707 | { | |
708 | if (gdbpy_should_print_stack) | |
0bf0f8c4 DE |
709 | { |
710 | PyErr_Print (); | |
711 | /* PyErr_Print doesn't necessarily end output with a newline. | |
712 | This works because Python's stdout/stderr is fed through | |
713 | printf_filtered. */ | |
714 | begin_line (); | |
715 | } | |
d57a3c85 TJB |
716 | else |
717 | PyErr_Clear (); | |
718 | } | |
719 | ||
89c73ade TT |
720 | \f |
721 | ||
fa33c3cd DE |
722 | /* Return the current Progspace. |
723 | There always is one. */ | |
724 | ||
725 | static PyObject * | |
726 | gdbpy_get_current_progspace (PyObject *unused1, PyObject *unused2) | |
727 | { | |
728 | PyObject *result; | |
729 | ||
730 | result = pspace_to_pspace_object (current_program_space); | |
731 | if (result) | |
732 | Py_INCREF (result); | |
733 | return result; | |
734 | } | |
735 | ||
736 | /* Return a sequence holding all the Progspaces. */ | |
737 | ||
738 | static PyObject * | |
739 | gdbpy_progspaces (PyObject *unused1, PyObject *unused2) | |
740 | { | |
741 | struct program_space *ps; | |
742 | PyObject *list; | |
743 | ||
744 | list = PyList_New (0); | |
745 | if (!list) | |
746 | return NULL; | |
747 | ||
748 | ALL_PSPACES (ps) | |
749 | { | |
750 | PyObject *item = pspace_to_pspace_object (ps); | |
d59b6f6c | 751 | |
fa33c3cd DE |
752 | if (!item || PyList_Append (list, item) == -1) |
753 | { | |
754 | Py_DECREF (list); | |
755 | return NULL; | |
756 | } | |
757 | } | |
758 | ||
759 | return list; | |
760 | } | |
761 | ||
762 | \f | |
763 | ||
89c73ade | 764 | /* The "current" objfile. This is set when gdb detects that a new |
8a1ea21f DE |
765 | objfile has been loaded. It is only set for the duration of a call to |
766 | source_python_script_for_objfile; it is NULL at other times. */ | |
89c73ade TT |
767 | static struct objfile *gdbpy_current_objfile; |
768 | ||
8a1ea21f DE |
769 | /* Set the current objfile to OBJFILE and then read STREAM,FILE as |
770 | Python code. */ | |
89c73ade | 771 | |
8a1ea21f DE |
772 | void |
773 | source_python_script_for_objfile (struct objfile *objfile, | |
774 | FILE *stream, const char *file) | |
89c73ade | 775 | { |
89c73ade TT |
776 | struct cleanup *cleanups; |
777 | ||
d452c4bc | 778 | cleanups = ensure_python_env (get_objfile_arch (objfile), current_language); |
89c73ade TT |
779 | gdbpy_current_objfile = objfile; |
780 | ||
3a1d4620 DE |
781 | /* Note: If an exception occurs python will print the traceback and |
782 | clear the error indicator. */ | |
783 | PyRun_SimpleFile (stream, file); | |
89c73ade TT |
784 | |
785 | do_cleanups (cleanups); | |
786 | gdbpy_current_objfile = NULL; | |
89c73ade TT |
787 | } |
788 | ||
789 | /* Return the current Objfile, or None if there isn't one. */ | |
8a1ea21f | 790 | |
89c73ade TT |
791 | static PyObject * |
792 | gdbpy_get_current_objfile (PyObject *unused1, PyObject *unused2) | |
793 | { | |
794 | PyObject *result; | |
795 | ||
796 | if (! gdbpy_current_objfile) | |
797 | Py_RETURN_NONE; | |
798 | ||
799 | result = objfile_to_objfile_object (gdbpy_current_objfile); | |
800 | if (result) | |
801 | Py_INCREF (result); | |
802 | return result; | |
803 | } | |
804 | ||
805 | /* Return a sequence holding all the Objfiles. */ | |
fa33c3cd | 806 | |
89c73ade TT |
807 | static PyObject * |
808 | gdbpy_objfiles (PyObject *unused1, PyObject *unused2) | |
809 | { | |
810 | struct objfile *objf; | |
811 | PyObject *list; | |
812 | ||
813 | list = PyList_New (0); | |
814 | if (!list) | |
815 | return NULL; | |
816 | ||
817 | ALL_OBJFILES (objf) | |
818 | { | |
819 | PyObject *item = objfile_to_objfile_object (objf); | |
d59b6f6c | 820 | |
89c73ade TT |
821 | if (!item || PyList_Append (list, item) == -1) |
822 | { | |
823 | Py_DECREF (list); | |
824 | return NULL; | |
825 | } | |
826 | } | |
827 | ||
828 | return list; | |
829 | } | |
830 | ||
d57a3c85 TJB |
831 | #else /* HAVE_PYTHON */ |
832 | ||
833 | /* Dummy implementation of the gdb "python" command. */ | |
834 | ||
835 | static void | |
836 | python_command (char *arg, int from_tty) | |
837 | { | |
838 | while (arg && *arg && isspace (*arg)) | |
839 | ++arg; | |
840 | if (arg && *arg) | |
841 | error (_("Python scripting is not supported in this copy of GDB.")); | |
842 | else | |
843 | { | |
844 | struct command_line *l = get_command_line (python_control, ""); | |
845 | struct cleanup *cleanups = make_cleanup_free_command_lines (&l); | |
d59b6f6c | 846 | |
d57a3c85 TJB |
847 | execute_control_command_untraced (l); |
848 | do_cleanups (cleanups); | |
849 | } | |
850 | } | |
851 | ||
852 | void | |
853 | eval_python_from_control_command (struct command_line *cmd) | |
854 | { | |
855 | error (_("Python scripting is not supported in this copy of GDB.")); | |
856 | } | |
857 | ||
973817a3 | 858 | void |
3f7b2faa | 859 | source_python_script (FILE *stream, const char *file) |
973817a3 | 860 | { |
973817a3 JB |
861 | throw_error (UNSUPPORTED_ERROR, |
862 | _("Python scripting is not supported in this copy of GDB.")); | |
863 | } | |
864 | ||
d57a3c85 TJB |
865 | #endif /* HAVE_PYTHON */ |
866 | ||
867 | \f | |
868 | ||
869 | /* Lists for 'maint set python' commands. */ | |
870 | ||
8a1ea21f DE |
871 | struct cmd_list_element *set_python_list; |
872 | struct cmd_list_element *show_python_list; | |
d57a3c85 TJB |
873 | |
874 | /* Function for use by 'maint set python' prefix command. */ | |
875 | ||
876 | static void | |
877 | set_python (char *args, int from_tty) | |
878 | { | |
879 | help_list (set_python_list, "maintenance set python ", -1, gdb_stdout); | |
880 | } | |
881 | ||
882 | /* Function for use by 'maint show python' prefix command. */ | |
883 | ||
884 | static void | |
885 | show_python (char *args, int from_tty) | |
886 | { | |
887 | cmd_show_list (show_python_list, from_tty, ""); | |
888 | } | |
889 | ||
890 | /* Initialize the Python code. */ | |
891 | ||
2c0b251b PA |
892 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
893 | extern initialize_file_ftype _initialize_python; | |
894 | ||
d57a3c85 TJB |
895 | void |
896 | _initialize_python (void) | |
897 | { | |
898 | add_com ("python", class_obscure, python_command, | |
899 | #ifdef HAVE_PYTHON | |
900 | _("\ | |
901 | Evaluate a Python command.\n\ | |
902 | \n\ | |
903 | The command can be given as an argument, for instance:\n\ | |
904 | \n\ | |
905 | python print 23\n\ | |
906 | \n\ | |
907 | If no argument is given, the following lines are read and used\n\ | |
908 | as the Python commands. Type a line containing \"end\" to indicate\n\ | |
909 | the end of the command.") | |
910 | #else /* HAVE_PYTHON */ | |
911 | _("\ | |
912 | Evaluate a Python command.\n\ | |
913 | \n\ | |
914 | Python scripting is not supported in this copy of GDB.\n\ | |
915 | This command is only a placeholder.") | |
916 | #endif /* HAVE_PYTHON */ | |
917 | ); | |
918 | ||
919 | add_prefix_cmd ("python", no_class, show_python, | |
920 | _("Prefix command for python maintenance settings."), | |
509238d6 | 921 | &show_python_list, "maintenance show python ", 0, |
d57a3c85 TJB |
922 | &maintenance_show_cmdlist); |
923 | add_prefix_cmd ("python", no_class, set_python, | |
924 | _("Prefix command for python maintenance settings."), | |
509238d6 | 925 | &set_python_list, "maintenance set python ", 0, |
d57a3c85 TJB |
926 | &maintenance_set_cmdlist); |
927 | ||
928 | add_setshow_boolean_cmd ("print-stack", class_maintenance, | |
929 | &gdbpy_should_print_stack, _("\ | |
930 | Enable or disable printing of Python stack dump on error."), _("\ | |
931 | Show whether Python stack will be printed on error."), _("\ | |
932 | Enables or disables printing of Python stack traces."), | |
933 | NULL, NULL, | |
934 | &set_python_list, | |
935 | &show_python_list); | |
936 | ||
937 | #ifdef HAVE_PYTHON | |
0c4a4063 DE |
938 | #ifdef WITH_PYTHON_PATH |
939 | /* Work around problem where python gets confused about where it is, | |
940 | and then can't find its libraries, etc. | |
941 | NOTE: Python assumes the following layout: | |
942 | /foo/bin/python | |
943 | /foo/lib/pythonX.Y/... | |
944 | This must be done before calling Py_Initialize. */ | |
945 | Py_SetProgramName (concat (ldirname (python_libdir), SLASH_STRING, "bin", | |
946 | SLASH_STRING, "python", NULL)); | |
947 | #endif | |
948 | ||
d57a3c85 | 949 | Py_Initialize (); |
ca30a762 | 950 | PyEval_InitThreads (); |
d57a3c85 TJB |
951 | |
952 | gdb_module = Py_InitModule ("gdb", GdbMethods); | |
953 | ||
954 | /* The casts to (char*) are for python 2.4. */ | |
955 | PyModule_AddStringConstant (gdb_module, "VERSION", (char*) version); | |
956 | PyModule_AddStringConstant (gdb_module, "HOST_CONFIG", (char*) host_name); | |
957 | PyModule_AddStringConstant (gdb_module, "TARGET_CONFIG", (char*) target_name); | |
f17618ea DE |
958 | |
959 | /* gdb.parameter ("data-directory") doesn't necessarily exist when the python | |
960 | script below is run (depending on order of _initialize_* functions). | |
961 | Define the initial value of gdb.PYTHONDIR here. */ | |
b14285f6 JB |
962 | { |
963 | char *gdb_pythondir; | |
964 | ||
965 | gdb_pythondir = concat (gdb_datadir, SLASH_STRING, "python", NULL); | |
966 | PyModule_AddStringConstant (gdb_module, "PYTHONDIR", gdb_pythondir); | |
967 | xfree (gdb_pythondir); | |
968 | } | |
d57a3c85 | 969 | |
07ca107c DE |
970 | gdbpy_gdberror_exc = PyErr_NewException ("gdb.GdbError", NULL, NULL); |
971 | PyModule_AddObject (gdb_module, "GdbError", gdbpy_gdberror_exc); | |
972 | ||
8a1ea21f | 973 | gdbpy_initialize_auto_load (); |
a08702d6 | 974 | gdbpy_initialize_values (); |
f8f6f20b | 975 | gdbpy_initialize_frames (); |
d8906c6f | 976 | gdbpy_initialize_commands (); |
f3e9a817 PM |
977 | gdbpy_initialize_symbols (); |
978 | gdbpy_initialize_symtabs (); | |
979 | gdbpy_initialize_blocks (); | |
bc3b79fd | 980 | gdbpy_initialize_functions (); |
d7b32ed3 | 981 | gdbpy_initialize_parameters (); |
2c74e833 | 982 | gdbpy_initialize_types (); |
fa33c3cd | 983 | gdbpy_initialize_pspace (); |
89c73ade | 984 | gdbpy_initialize_objfile (); |
adc36818 | 985 | gdbpy_initialize_breakpoints (); |
be759fcf | 986 | gdbpy_initialize_lazy_string (); |
595939de PM |
987 | gdbpy_initialize_thread (); |
988 | gdbpy_initialize_inferior (); | |
ca5c20b6 | 989 | gdbpy_initialize_events (); |
a08702d6 | 990 | |
d57a3c85 | 991 | PyRun_SimpleString ("import gdb"); |
a6bac58e | 992 | PyRun_SimpleString ("gdb.pretty_printers = []"); |
d57a3c85 | 993 | |
a6bac58e TT |
994 | gdbpy_to_string_cst = PyString_FromString ("to_string"); |
995 | gdbpy_children_cst = PyString_FromString ("children"); | |
996 | gdbpy_display_hint_cst = PyString_FromString ("display_hint"); | |
d8906c6f | 997 | gdbpy_doc_cst = PyString_FromString ("__doc__"); |
967cf477 | 998 | gdbpy_enabled_cst = PyString_FromString ("enabled"); |
d8906c6f | 999 | |
f17618ea DE |
1000 | /* Remaining initialization is done in Python. |
1001 | - create a couple objects which are used for Python's stdout and stderr | |
1002 | - provide function GdbSetPythonDirectory */ | |
1003 | ||
d57a3c85 | 1004 | PyRun_SimpleString ("\ |
f17618ea | 1005 | import os\n\ |
d57a3c85 | 1006 | import sys\n\ |
f17618ea | 1007 | \n\ |
d57a3c85 TJB |
1008 | class GdbOutputFile:\n\ |
1009 | def close(self):\n\ | |
1010 | # Do nothing.\n\ | |
1011 | return None\n\ | |
1012 | \n\ | |
1013 | def isatty(self):\n\ | |
1014 | return False\n\ | |
1015 | \n\ | |
1016 | def write(self, s):\n\ | |
1017 | gdb.write(s)\n\ | |
1018 | \n\ | |
1019 | def writelines(self, iterable):\n\ | |
1020 | for line in iterable:\n\ | |
1021 | self.write(line)\n\ | |
1022 | \n\ | |
1023 | def flush(self):\n\ | |
1024 | gdb.flush()\n\ | |
1025 | \n\ | |
1026 | sys.stderr = GdbOutputFile()\n\ | |
1027 | sys.stdout = GdbOutputFile()\n\ | |
b14285f6 | 1028 | \n\ |
f17618ea DE |
1029 | # Ideally this would live in the gdb module, but it's intentionally written\n\ |
1030 | # in python, and we need this to bootstrap the gdb module.\n\ | |
1031 | \n\ | |
1032 | def GdbSetPythonDirectory (dir):\n\ | |
1033 | \"Set gdb.PYTHONDIR and update sys.path,etc.\"\n\ | |
1034 | old_dir = gdb.PYTHONDIR\n\ | |
1035 | gdb.PYTHONDIR = dir\n\ | |
1036 | # GDB's python scripts are stored inside gdb.PYTHONDIR. So insert\n\ | |
1037 | # that directory name at the start of sys.path to allow the Python\n\ | |
1038 | # interpreter to find them.\n\ | |
1039 | if old_dir in sys.path:\n\ | |
1040 | sys.path.remove (old_dir)\n\ | |
1041 | sys.path.insert (0, gdb.PYTHONDIR)\n\ | |
1042 | \n\ | |
1043 | # Tell python where to find submodules of gdb.\n\ | |
1044 | gdb.__path__ = [gdb.PYTHONDIR + '/gdb']\n\ | |
1045 | \n\ | |
1046 | # The gdb module is implemented in C rather than in Python. As a result,\n\ | |
1047 | # the associated __init.py__ script is not not executed by default when\n\ | |
1048 | # the gdb module gets imported. Execute that script manually if it\n\ | |
1049 | # exists.\n\ | |
1050 | ipy = gdb.PYTHONDIR + '/gdb/__init__.py'\n\ | |
1051 | if os.path.exists (ipy):\n\ | |
1052 | execfile (ipy)\n\ | |
b14285f6 | 1053 | \n\ |
f17618ea DE |
1054 | # Install the default gdb.PYTHONDIR.\n\ |
1055 | GdbSetPythonDirectory (gdb.PYTHONDIR)\n\ | |
d57a3c85 | 1056 | "); |
ca30a762 TT |
1057 | |
1058 | /* Release the GIL while gdb runs. */ | |
1059 | PyThreadState_Swap (NULL); | |
1060 | PyEval_ReleaseLock (); | |
1061 | ||
d57a3c85 TJB |
1062 | #endif /* HAVE_PYTHON */ |
1063 | } | |
12453b93 TJB |
1064 | |
1065 | \f | |
1066 | ||
1067 | #if HAVE_PYTHON | |
1068 | ||
1069 | static PyMethodDef GdbMethods[] = | |
1070 | { | |
1071 | { "history", gdbpy_history, METH_VARARGS, | |
1072 | "Get a value from history" }, | |
bc9f0842 | 1073 | { "execute", (PyCFunction) execute_gdb_command, METH_VARARGS | METH_KEYWORDS, |
12453b93 | 1074 | "Execute a gdb command" }, |
8f500870 | 1075 | { "parameter", gdbpy_parameter, METH_VARARGS, |
12453b93 TJB |
1076 | "Return a gdb parameter's value" }, |
1077 | ||
adc36818 PM |
1078 | { "breakpoints", gdbpy_breakpoints, METH_NOARGS, |
1079 | "Return a tuple of all breakpoint objects" }, | |
1080 | ||
b6313243 TT |
1081 | { "default_visualizer", gdbpy_default_visualizer, METH_VARARGS, |
1082 | "Find the default visualizer for a Value." }, | |
1083 | ||
fa33c3cd DE |
1084 | { "current_progspace", gdbpy_get_current_progspace, METH_NOARGS, |
1085 | "Return the current Progspace." }, | |
1086 | { "progspaces", gdbpy_progspaces, METH_NOARGS, | |
1087 | "Return a sequence of all progspaces." }, | |
1088 | ||
89c73ade TT |
1089 | { "current_objfile", gdbpy_get_current_objfile, METH_NOARGS, |
1090 | "Return the current Objfile being loaded, or None." }, | |
1091 | { "objfiles", gdbpy_objfiles, METH_NOARGS, | |
1092 | "Return a sequence of all loaded objfiles." }, | |
1093 | ||
f8f6f20b TJB |
1094 | { "selected_frame", gdbpy_selected_frame, METH_NOARGS, |
1095 | "selected_frame () -> gdb.Frame.\n\ | |
1096 | Return the selected frame object." }, | |
1097 | { "frame_stop_reason_string", gdbpy_frame_stop_reason_string, METH_VARARGS, | |
1098 | "stop_reason_string (Integer) -> String.\n\ | |
1099 | Return a string explaining unwind stop reason." }, | |
1100 | ||
2c74e833 TT |
1101 | { "lookup_type", (PyCFunction) gdbpy_lookup_type, |
1102 | METH_VARARGS | METH_KEYWORDS, | |
1103 | "lookup_type (name [, block]) -> type\n\ | |
1104 | Return a Type corresponding to the given name." }, | |
f3e9a817 PM |
1105 | { "lookup_symbol", (PyCFunction) gdbpy_lookup_symbol, |
1106 | METH_VARARGS | METH_KEYWORDS, | |
1107 | "lookup_symbol (name [, block] [, domain]) -> (symbol, is_field_of_this)\n\ | |
1108 | Return a tuple with the symbol corresponding to the given name (or None) and\n\ | |
1109 | a boolean indicating if name is a field of the current implied argument\n\ | |
1110 | `this' (when the current language is object-oriented)." }, | |
1111 | { "block_for_pc", gdbpy_block_for_pc, METH_VARARGS, | |
1112 | "Return the block containing the given pc value, or None." }, | |
cb2e07a6 PM |
1113 | { "solib_name", gdbpy_solib_name, METH_VARARGS, |
1114 | "solib_name (Long) -> String.\n\ | |
1115 | Return the name of the shared library holding a given address, or None." }, | |
1116 | { "decode_line", gdbpy_decode_line, METH_VARARGS, | |
1117 | "decode_line (String) -> Tuple. Decode a string argument the way\n\ | |
1118 | that 'break' or 'edit' does. Return a tuple containing two elements.\n\ | |
1119 | The first element contains any unparsed portion of the String parameter\n\ | |
1120 | (or None if the string was fully parsed). The second element contains\n\ | |
1121 | a tuple that contains all the locations that match, represented as\n\ | |
1122 | gdb.Symtab_and_line objects (or None)."}, | |
57a1d736 TT |
1123 | { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS, |
1124 | "parse_and_eval (String) -> Value.\n\ | |
1125 | Parse String as an expression, evaluate it, and return the result as a Value." | |
1126 | }, | |
1127 | ||
ca5c20b6 PM |
1128 | { "post_event", gdbpy_post_event, METH_VARARGS, |
1129 | "Post an event into gdb's event loop." }, | |
1130 | ||
f870a310 TT |
1131 | { "target_charset", gdbpy_target_charset, METH_NOARGS, |
1132 | "target_charset () -> string.\n\ | |
1133 | Return the name of the current target charset." }, | |
1134 | { "target_wide_charset", gdbpy_target_wide_charset, METH_NOARGS, | |
1135 | "target_wide_charset () -> string.\n\ | |
1136 | Return the name of the current target wide charset." }, | |
1137 | ||
07ca107c DE |
1138 | { "string_to_argv", gdbpy_string_to_argv, METH_VARARGS, |
1139 | "string_to_argv (String) -> Array.\n\ | |
1140 | Parse String and return an argv-like array.\n\ | |
1141 | Arguments are separate by spaces and may be quoted." | |
1142 | }, | |
1143 | ||
12453b93 TJB |
1144 | { "write", gdbpy_write, METH_VARARGS, |
1145 | "Write a string using gdb's filtered stream." }, | |
1146 | { "flush", gdbpy_flush, METH_NOARGS, | |
1147 | "Flush gdb's filtered stdout stream." }, | |
595939de PM |
1148 | { "selected_thread", gdbpy_selected_thread, METH_NOARGS, |
1149 | "selected_thread () -> gdb.InferiorThread.\n\ | |
1150 | Return the selected thread object." }, | |
1151 | { "inferiors", gdbpy_inferiors, METH_NOARGS, | |
1152 | "inferiors () -> (gdb.Inferior, ...).\n\ | |
1153 | Return a tuple containing all inferiors." }, | |
12453b93 TJB |
1154 | {NULL, NULL, 0, NULL} |
1155 | }; | |
1156 | ||
1157 | #endif /* HAVE_PYTHON */ |