| 1 | /* General python/gdb code |
| 2 | |
| 3 | Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
| 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" |
| 21 | #include "arch-utils.h" |
| 22 | #include "command.h" |
| 23 | #include "ui-out.h" |
| 24 | #include "cli/cli-script.h" |
| 25 | #include "gdbcmd.h" |
| 26 | #include "progspace.h" |
| 27 | #include "objfiles.h" |
| 28 | #include "value.h" |
| 29 | #include "language.h" |
| 30 | #include "exceptions.h" |
| 31 | #include "event-loop.h" |
| 32 | #include "serial.h" |
| 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" |
| 47 | #include "solib.h" |
| 48 | #include "python-internal.h" |
| 49 | #include "linespec.h" |
| 50 | #include "source.h" |
| 51 | #include "version.h" |
| 52 | #include "target.h" |
| 53 | #include "gdbthread.h" |
| 54 | |
| 55 | static PyMethodDef GdbMethods[]; |
| 56 | |
| 57 | PyObject *gdb_module; |
| 58 | |
| 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; |
| 63 | PyObject *gdbpy_doc_cst; |
| 64 | PyObject *gdbpy_enabled_cst; |
| 65 | PyObject *gdbpy_value_cst; |
| 66 | |
| 67 | /* The GdbError exception. */ |
| 68 | PyObject *gdbpy_gdberror_exc; |
| 69 | |
| 70 | /* The `gdb.error' base class. */ |
| 71 | PyObject *gdbpy_gdb_error; |
| 72 | |
| 73 | /* The `gdb.MemoryError' exception. */ |
| 74 | PyObject *gdbpy_gdb_memory_error; |
| 75 | |
| 76 | /* Architecture and language to be used in callbacks from |
| 77 | the Python interpreter. */ |
| 78 | struct gdbarch *python_gdbarch; |
| 79 | const struct language_defn *python_language; |
| 80 | |
| 81 | /* Restore global language and architecture and Python GIL state |
| 82 | when leaving the Python interpreter. */ |
| 83 | |
| 84 | struct python_env |
| 85 | { |
| 86 | PyGILState_STATE state; |
| 87 | struct gdbarch *gdbarch; |
| 88 | const struct language_defn *language; |
| 89 | PyObject *error_type, *error_value, *error_traceback; |
| 90 | }; |
| 91 | |
| 92 | static void |
| 93 | restore_python_env (void *p) |
| 94 | { |
| 95 | struct python_env *env = (struct python_env *)p; |
| 96 | |
| 97 | /* Leftover Python error is forbidden by Python Exception Handling. */ |
| 98 | if (PyErr_Occurred ()) |
| 99 | { |
| 100 | /* This order is similar to the one calling error afterwards. */ |
| 101 | gdbpy_print_stack (); |
| 102 | warning (_("internal error: Unhandled Python exception")); |
| 103 | } |
| 104 | |
| 105 | PyErr_Restore (env->error_type, env->error_value, env->error_traceback); |
| 106 | |
| 107 | PyGILState_Release (env->state); |
| 108 | python_gdbarch = env->gdbarch; |
| 109 | python_language = env->language; |
| 110 | xfree (env); |
| 111 | } |
| 112 | |
| 113 | /* Called before entering the Python interpreter to install the |
| 114 | current language and architecture to be used for Python values. */ |
| 115 | |
| 116 | struct cleanup * |
| 117 | ensure_python_env (struct gdbarch *gdbarch, |
| 118 | const struct language_defn *language) |
| 119 | { |
| 120 | struct python_env *env = xmalloc (sizeof *env); |
| 121 | |
| 122 | env->state = PyGILState_Ensure (); |
| 123 | env->gdbarch = python_gdbarch; |
| 124 | env->language = python_language; |
| 125 | |
| 126 | python_gdbarch = gdbarch; |
| 127 | python_language = language; |
| 128 | |
| 129 | /* Save it and ensure ! PyErr_Occurred () afterwards. */ |
| 130 | PyErr_Fetch (&env->error_type, &env->error_value, &env->error_traceback); |
| 131 | |
| 132 | return make_cleanup (restore_python_env, env); |
| 133 | } |
| 134 | |
| 135 | |
| 136 | /* Given a command_line, return a command string suitable for passing |
| 137 | to Python. Lines in the string are separated by newlines. The |
| 138 | return value is allocated using xmalloc and the caller is |
| 139 | responsible for freeing it. */ |
| 140 | |
| 141 | static char * |
| 142 | compute_python_string (struct command_line *l) |
| 143 | { |
| 144 | struct command_line *iter; |
| 145 | char *script = NULL; |
| 146 | int size = 0; |
| 147 | int here; |
| 148 | |
| 149 | for (iter = l; iter; iter = iter->next) |
| 150 | size += strlen (iter->line) + 1; |
| 151 | |
| 152 | script = xmalloc (size + 1); |
| 153 | here = 0; |
| 154 | for (iter = l; iter; iter = iter->next) |
| 155 | { |
| 156 | int len = strlen (iter->line); |
| 157 | |
| 158 | strcpy (&script[here], iter->line); |
| 159 | here += len; |
| 160 | script[here++] = '\n'; |
| 161 | } |
| 162 | script[here] = '\0'; |
| 163 | return script; |
| 164 | } |
| 165 | |
| 166 | /* Take a command line structure representing a 'python' command, and |
| 167 | evaluate its body using the Python interpreter. */ |
| 168 | |
| 169 | void |
| 170 | eval_python_from_control_command (struct command_line *cmd) |
| 171 | { |
| 172 | int ret; |
| 173 | char *script; |
| 174 | struct cleanup *cleanup; |
| 175 | |
| 176 | if (cmd->body_count != 1) |
| 177 | error (_("Invalid \"python\" block structure.")); |
| 178 | |
| 179 | cleanup = ensure_python_env (get_current_arch (), current_language); |
| 180 | |
| 181 | script = compute_python_string (cmd->body_list[0]); |
| 182 | ret = PyRun_SimpleString (script); |
| 183 | xfree (script); |
| 184 | if (ret) |
| 185 | { |
| 186 | gdbpy_print_stack (); |
| 187 | error (_("Error while executing Python code.")); |
| 188 | } |
| 189 | |
| 190 | do_cleanups (cleanup); |
| 191 | } |
| 192 | |
| 193 | /* Implementation of the gdb "python" command. */ |
| 194 | |
| 195 | static void |
| 196 | python_command (char *arg, int from_tty) |
| 197 | { |
| 198 | struct cleanup *cleanup; |
| 199 | |
| 200 | cleanup = ensure_python_env (get_current_arch (), current_language); |
| 201 | while (arg && *arg && isspace (*arg)) |
| 202 | ++arg; |
| 203 | if (arg && *arg) |
| 204 | { |
| 205 | if (PyRun_SimpleString (arg)) |
| 206 | { |
| 207 | gdbpy_print_stack (); |
| 208 | error (_("Error while executing Python code.")); |
| 209 | } |
| 210 | } |
| 211 | else |
| 212 | { |
| 213 | struct command_line *l = get_command_line (python_control, ""); |
| 214 | |
| 215 | make_cleanup_free_command_lines (&l); |
| 216 | execute_control_command_untraced (l); |
| 217 | } |
| 218 | |
| 219 | do_cleanups (cleanup); |
| 220 | } |
| 221 | |
| 222 | \f |
| 223 | |
| 224 | /* Transform a gdb parameters's value into a Python value. May return |
| 225 | NULL (and set a Python exception) on error. Helper function for |
| 226 | get_parameter. */ |
| 227 | PyObject * |
| 228 | gdbpy_parameter_value (enum var_types type, void *var) |
| 229 | { |
| 230 | switch (type) |
| 231 | { |
| 232 | case var_string: |
| 233 | case var_string_noescape: |
| 234 | case var_optional_filename: |
| 235 | case var_filename: |
| 236 | case var_enum: |
| 237 | { |
| 238 | char *str = * (char **) var; |
| 239 | |
| 240 | if (! str) |
| 241 | str = ""; |
| 242 | return PyString_Decode (str, strlen (str), host_charset (), NULL); |
| 243 | } |
| 244 | |
| 245 | case var_boolean: |
| 246 | { |
| 247 | if (* (int *) var) |
| 248 | Py_RETURN_TRUE; |
| 249 | else |
| 250 | Py_RETURN_FALSE; |
| 251 | } |
| 252 | |
| 253 | case var_auto_boolean: |
| 254 | { |
| 255 | enum auto_boolean ab = * (enum auto_boolean *) var; |
| 256 | |
| 257 | if (ab == AUTO_BOOLEAN_TRUE) |
| 258 | Py_RETURN_TRUE; |
| 259 | else if (ab == AUTO_BOOLEAN_FALSE) |
| 260 | Py_RETURN_FALSE; |
| 261 | else |
| 262 | Py_RETURN_NONE; |
| 263 | } |
| 264 | |
| 265 | case var_integer: |
| 266 | if ((* (int *) var) == INT_MAX) |
| 267 | Py_RETURN_NONE; |
| 268 | /* Fall through. */ |
| 269 | case var_zinteger: |
| 270 | return PyLong_FromLong (* (int *) var); |
| 271 | |
| 272 | case var_uinteger: |
| 273 | { |
| 274 | unsigned int val = * (unsigned int *) var; |
| 275 | |
| 276 | if (val == UINT_MAX) |
| 277 | Py_RETURN_NONE; |
| 278 | return PyLong_FromUnsignedLong (val); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | return PyErr_Format (PyExc_RuntimeError, |
| 283 | _("Programmer error: unhandled type.")); |
| 284 | } |
| 285 | |
| 286 | /* A Python function which returns a gdb parameter's value as a Python |
| 287 | value. */ |
| 288 | |
| 289 | PyObject * |
| 290 | gdbpy_parameter (PyObject *self, PyObject *args) |
| 291 | { |
| 292 | struct cmd_list_element *alias, *prefix, *cmd; |
| 293 | char *arg, *newarg; |
| 294 | int found = -1; |
| 295 | volatile struct gdb_exception except; |
| 296 | |
| 297 | if (! PyArg_ParseTuple (args, "s", &arg)) |
| 298 | return NULL; |
| 299 | |
| 300 | newarg = concat ("show ", arg, (char *) NULL); |
| 301 | |
| 302 | TRY_CATCH (except, RETURN_MASK_ALL) |
| 303 | { |
| 304 | found = lookup_cmd_composition (newarg, &alias, &prefix, &cmd); |
| 305 | } |
| 306 | xfree (newarg); |
| 307 | GDB_PY_HANDLE_EXCEPTION (except); |
| 308 | if (!found) |
| 309 | return PyErr_Format (PyExc_RuntimeError, |
| 310 | _("Could not find parameter `%s'."), arg); |
| 311 | |
| 312 | if (! cmd->var) |
| 313 | return PyErr_Format (PyExc_RuntimeError, |
| 314 | _("`%s' is not a parameter."), arg); |
| 315 | return gdbpy_parameter_value (cmd->var_type, cmd->var); |
| 316 | } |
| 317 | |
| 318 | /* Wrapper for target_charset. */ |
| 319 | |
| 320 | static PyObject * |
| 321 | gdbpy_target_charset (PyObject *self, PyObject *args) |
| 322 | { |
| 323 | const char *cset = target_charset (python_gdbarch); |
| 324 | |
| 325 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
| 326 | } |
| 327 | |
| 328 | /* Wrapper for target_wide_charset. */ |
| 329 | |
| 330 | static PyObject * |
| 331 | gdbpy_target_wide_charset (PyObject *self, PyObject *args) |
| 332 | { |
| 333 | const char *cset = target_wide_charset (python_gdbarch); |
| 334 | |
| 335 | return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); |
| 336 | } |
| 337 | |
| 338 | /* A Python function which evaluates a string using the gdb CLI. */ |
| 339 | |
| 340 | static PyObject * |
| 341 | execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw) |
| 342 | { |
| 343 | char *arg; |
| 344 | PyObject *from_tty_obj = NULL, *to_string_obj = NULL; |
| 345 | int from_tty, to_string; |
| 346 | volatile struct gdb_exception except; |
| 347 | static char *keywords[] = {"command", "from_tty", "to_string", NULL }; |
| 348 | char *result = NULL; |
| 349 | |
| 350 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O!O!", keywords, &arg, |
| 351 | &PyBool_Type, &from_tty_obj, |
| 352 | &PyBool_Type, &to_string_obj)) |
| 353 | return NULL; |
| 354 | |
| 355 | from_tty = 0; |
| 356 | if (from_tty_obj) |
| 357 | { |
| 358 | int cmp = PyObject_IsTrue (from_tty_obj); |
| 359 | if (cmp < 0) |
| 360 | return NULL; |
| 361 | from_tty = cmp; |
| 362 | } |
| 363 | |
| 364 | to_string = 0; |
| 365 | if (to_string_obj) |
| 366 | { |
| 367 | int cmp = PyObject_IsTrue (to_string_obj); |
| 368 | if (cmp < 0) |
| 369 | return NULL; |
| 370 | to_string = cmp; |
| 371 | } |
| 372 | |
| 373 | TRY_CATCH (except, RETURN_MASK_ALL) |
| 374 | { |
| 375 | /* Copy the argument text in case the command modifies it. */ |
| 376 | char *copy = xstrdup (arg); |
| 377 | struct cleanup *cleanup = make_cleanup (xfree, copy); |
| 378 | |
| 379 | prevent_dont_repeat (); |
| 380 | if (to_string) |
| 381 | result = execute_command_to_string (copy, from_tty); |
| 382 | else |
| 383 | { |
| 384 | result = NULL; |
| 385 | execute_command (copy, from_tty); |
| 386 | } |
| 387 | |
| 388 | do_cleanups (cleanup); |
| 389 | } |
| 390 | GDB_PY_HANDLE_EXCEPTION (except); |
| 391 | |
| 392 | /* Do any commands attached to breakpoint we stopped at. */ |
| 393 | bpstat_do_actions (); |
| 394 | |
| 395 | if (result) |
| 396 | { |
| 397 | PyObject *r = PyString_FromString (result); |
| 398 | xfree (result); |
| 399 | return r; |
| 400 | } |
| 401 | Py_RETURN_NONE; |
| 402 | } |
| 403 | |
| 404 | /* Implementation of gdb.solib_name (Long) -> String. |
| 405 | Returns the name of the shared library holding a given address, or None. */ |
| 406 | |
| 407 | static PyObject * |
| 408 | gdbpy_solib_name (PyObject *self, PyObject *args) |
| 409 | { |
| 410 | char *soname; |
| 411 | PyObject *str_obj; |
| 412 | gdb_py_longest pc; |
| 413 | |
| 414 | if (!PyArg_ParseTuple (args, GDB_PY_LL_ARG, &pc)) |
| 415 | return NULL; |
| 416 | |
| 417 | soname = solib_name_from_address (current_program_space, pc); |
| 418 | if (soname) |
| 419 | str_obj = PyString_Decode (soname, strlen (soname), host_charset (), NULL); |
| 420 | else |
| 421 | { |
| 422 | str_obj = Py_None; |
| 423 | Py_INCREF (Py_None); |
| 424 | } |
| 425 | |
| 426 | return str_obj; |
| 427 | } |
| 428 | |
| 429 | /* A Python function which is a wrapper for decode_line_1. */ |
| 430 | |
| 431 | static PyObject * |
| 432 | gdbpy_decode_line (PyObject *self, PyObject *args) |
| 433 | { |
| 434 | struct symtabs_and_lines sals = { NULL, 0 }; /* Initialize to |
| 435 | appease gcc. */ |
| 436 | struct symtab_and_line sal; |
| 437 | char *arg = NULL; |
| 438 | char *copy = NULL; |
| 439 | struct cleanup *cleanups; |
| 440 | PyObject *result = NULL; |
| 441 | PyObject *return_result = NULL; |
| 442 | PyObject *unparsed = NULL; |
| 443 | volatile struct gdb_exception except; |
| 444 | |
| 445 | if (! PyArg_ParseTuple (args, "|s", &arg)) |
| 446 | return NULL; |
| 447 | |
| 448 | cleanups = ensure_python_env (get_current_arch (), current_language); |
| 449 | |
| 450 | TRY_CATCH (except, RETURN_MASK_ALL) |
| 451 | { |
| 452 | if (arg) |
| 453 | { |
| 454 | arg = xstrdup (arg); |
| 455 | make_cleanup (xfree, arg); |
| 456 | copy = arg; |
| 457 | sals = decode_line_1 (©, 0, 0, 0, 0, 0); |
| 458 | make_cleanup (xfree, sals.sals); |
| 459 | } |
| 460 | else |
| 461 | { |
| 462 | set_default_source_symtab_and_line (); |
| 463 | sal = get_current_source_symtab_and_line (); |
| 464 | sals.sals = &sal; |
| 465 | sals.nelts = 1; |
| 466 | } |
| 467 | } |
| 468 | if (except.reason < 0) |
| 469 | { |
| 470 | do_cleanups (cleanups); |
| 471 | /* We know this will always throw. */ |
| 472 | GDB_PY_HANDLE_EXCEPTION (except); |
| 473 | } |
| 474 | |
| 475 | if (sals.nelts) |
| 476 | { |
| 477 | int i; |
| 478 | |
| 479 | result = PyTuple_New (sals.nelts); |
| 480 | if (! result) |
| 481 | goto error; |
| 482 | for (i = 0; i < sals.nelts; ++i) |
| 483 | { |
| 484 | PyObject *obj; |
| 485 | char *str; |
| 486 | |
| 487 | obj = symtab_and_line_to_sal_object (sals.sals[i]); |
| 488 | if (! obj) |
| 489 | { |
| 490 | Py_DECREF (result); |
| 491 | goto error; |
| 492 | } |
| 493 | |
| 494 | PyTuple_SetItem (result, i, obj); |
| 495 | } |
| 496 | } |
| 497 | else |
| 498 | { |
| 499 | result = Py_None; |
| 500 | Py_INCREF (Py_None); |
| 501 | } |
| 502 | |
| 503 | return_result = PyTuple_New (2); |
| 504 | if (! return_result) |
| 505 | { |
| 506 | Py_DECREF (result); |
| 507 | goto error; |
| 508 | } |
| 509 | |
| 510 | if (copy && strlen (copy) > 0) |
| 511 | unparsed = PyString_FromString (copy); |
| 512 | else |
| 513 | { |
| 514 | unparsed = Py_None; |
| 515 | Py_INCREF (Py_None); |
| 516 | } |
| 517 | |
| 518 | PyTuple_SetItem (return_result, 0, unparsed); |
| 519 | PyTuple_SetItem (return_result, 1, result); |
| 520 | |
| 521 | do_cleanups (cleanups); |
| 522 | |
| 523 | return return_result; |
| 524 | |
| 525 | error: |
| 526 | do_cleanups (cleanups); |
| 527 | return NULL; |
| 528 | } |
| 529 | |
| 530 | /* Parse a string and evaluate it as an expression. */ |
| 531 | static PyObject * |
| 532 | gdbpy_parse_and_eval (PyObject *self, PyObject *args) |
| 533 | { |
| 534 | char *expr_str; |
| 535 | struct value *result = NULL; |
| 536 | volatile struct gdb_exception except; |
| 537 | |
| 538 | if (!PyArg_ParseTuple (args, "s", &expr_str)) |
| 539 | return NULL; |
| 540 | |
| 541 | TRY_CATCH (except, RETURN_MASK_ALL) |
| 542 | { |
| 543 | result = parse_and_eval (expr_str); |
| 544 | } |
| 545 | GDB_PY_HANDLE_EXCEPTION (except); |
| 546 | |
| 547 | return value_to_value_object (result); |
| 548 | } |
| 549 | |
| 550 | /* Read a file as Python code. STREAM is the input file; FILE is the |
| 551 | name of the file. |
| 552 | STREAM is not closed, that is the caller's responsibility. */ |
| 553 | |
| 554 | void |
| 555 | source_python_script (FILE *stream, const char *file) |
| 556 | { |
| 557 | struct cleanup *cleanup; |
| 558 | |
| 559 | cleanup = ensure_python_env (get_current_arch (), current_language); |
| 560 | |
| 561 | /* Note: If an exception occurs python will print the traceback and |
| 562 | clear the error indicator. */ |
| 563 | PyRun_SimpleFile (stream, file); |
| 564 | |
| 565 | do_cleanups (cleanup); |
| 566 | } |
| 567 | |
| 568 | \f |
| 569 | |
| 570 | /* Posting and handling events. */ |
| 571 | |
| 572 | /* A single event. */ |
| 573 | struct gdbpy_event |
| 574 | { |
| 575 | /* The Python event. This is just a callable object. */ |
| 576 | PyObject *event; |
| 577 | /* The next event. */ |
| 578 | struct gdbpy_event *next; |
| 579 | }; |
| 580 | |
| 581 | /* All pending events. */ |
| 582 | static struct gdbpy_event *gdbpy_event_list; |
| 583 | /* The final link of the event list. */ |
| 584 | static struct gdbpy_event **gdbpy_event_list_end; |
| 585 | |
| 586 | /* We use a file handler, and not an async handler, so that we can |
| 587 | wake up the main thread even when it is blocked in poll(). */ |
| 588 | static struct serial *gdbpy_event_fds[2]; |
| 589 | |
| 590 | /* The file handler callback. This reads from the internal pipe, and |
| 591 | then processes the Python event queue. This will always be run in |
| 592 | the main gdb thread. */ |
| 593 | |
| 594 | static void |
| 595 | gdbpy_run_events (struct serial *scb, void *context) |
| 596 | { |
| 597 | struct cleanup *cleanup; |
| 598 | int r; |
| 599 | |
| 600 | cleanup = ensure_python_env (get_current_arch (), current_language); |
| 601 | |
| 602 | /* Flush the fd. Do this before flushing the events list, so that |
| 603 | any new event post afterwards is sure to re-awake the event |
| 604 | loop. */ |
| 605 | while (serial_readchar (gdbpy_event_fds[0], 0) >= 0) |
| 606 | ; |
| 607 | |
| 608 | while (gdbpy_event_list) |
| 609 | { |
| 610 | /* Dispatching the event might push a new element onto the event |
| 611 | loop, so we update here "atomically enough". */ |
| 612 | struct gdbpy_event *item = gdbpy_event_list; |
| 613 | gdbpy_event_list = gdbpy_event_list->next; |
| 614 | if (gdbpy_event_list == NULL) |
| 615 | gdbpy_event_list_end = &gdbpy_event_list; |
| 616 | |
| 617 | /* Ignore errors. */ |
| 618 | if (PyObject_CallObject (item->event, NULL) == NULL) |
| 619 | PyErr_Clear (); |
| 620 | |
| 621 | Py_DECREF (item->event); |
| 622 | xfree (item); |
| 623 | } |
| 624 | |
| 625 | do_cleanups (cleanup); |
| 626 | } |
| 627 | |
| 628 | /* Submit an event to the gdb thread. */ |
| 629 | static PyObject * |
| 630 | gdbpy_post_event (PyObject *self, PyObject *args) |
| 631 | { |
| 632 | struct gdbpy_event *event; |
| 633 | PyObject *func; |
| 634 | int wakeup; |
| 635 | |
| 636 | if (!PyArg_ParseTuple (args, "O", &func)) |
| 637 | return NULL; |
| 638 | |
| 639 | if (!PyCallable_Check (func)) |
| 640 | { |
| 641 | PyErr_SetString (PyExc_RuntimeError, |
| 642 | _("Posted event is not callable")); |
| 643 | return NULL; |
| 644 | } |
| 645 | |
| 646 | Py_INCREF (func); |
| 647 | |
| 648 | /* From here until the end of the function, we have the GIL, so we |
| 649 | can operate on our global data structures without worrying. */ |
| 650 | wakeup = gdbpy_event_list == NULL; |
| 651 | |
| 652 | event = XNEW (struct gdbpy_event); |
| 653 | event->event = func; |
| 654 | event->next = NULL; |
| 655 | *gdbpy_event_list_end = event; |
| 656 | gdbpy_event_list_end = &event->next; |
| 657 | |
| 658 | /* Wake up gdb when needed. */ |
| 659 | if (wakeup) |
| 660 | { |
| 661 | char c = 'q'; /* Anything. */ |
| 662 | |
| 663 | if (serial_write (gdbpy_event_fds[1], &c, 1)) |
| 664 | return PyErr_SetFromErrno (PyExc_IOError); |
| 665 | } |
| 666 | |
| 667 | Py_RETURN_NONE; |
| 668 | } |
| 669 | |
| 670 | /* Initialize the Python event handler. */ |
| 671 | static void |
| 672 | gdbpy_initialize_events (void) |
| 673 | { |
| 674 | if (serial_pipe (gdbpy_event_fds) == 0) |
| 675 | { |
| 676 | gdbpy_event_list_end = &gdbpy_event_list; |
| 677 | serial_async (gdbpy_event_fds[0], gdbpy_run_events, NULL); |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | /* Printing. */ |
| 682 | |
| 683 | /* A python function to write a single string using gdb's filtered |
| 684 | output stream. */ |
| 685 | static PyObject * |
| 686 | gdbpy_write (PyObject *self, PyObject *args) |
| 687 | { |
| 688 | char *arg; |
| 689 | |
| 690 | if (! PyArg_ParseTuple (args, "s", &arg)) |
| 691 | return NULL; |
| 692 | printf_filtered ("%s", arg); |
| 693 | Py_RETURN_NONE; |
| 694 | } |
| 695 | |
| 696 | /* A python function to flush gdb's filtered output stream. */ |
| 697 | static PyObject * |
| 698 | gdbpy_flush (PyObject *self, PyObject *args) |
| 699 | { |
| 700 | gdb_flush (gdb_stdout); |
| 701 | Py_RETURN_NONE; |
| 702 | } |
| 703 | |
| 704 | /* Print a python exception trace, or print nothing and clear the |
| 705 | python exception, depending on gdbpy_should_print_stack. Only call |
| 706 | this if a python exception is set. */ |
| 707 | void |
| 708 | gdbpy_print_stack (void) |
| 709 | { |
| 710 | if (gdbpy_should_print_stack) |
| 711 | { |
| 712 | PyErr_Print (); |
| 713 | /* PyErr_Print doesn't necessarily end output with a newline. |
| 714 | This works because Python's stdout/stderr is fed through |
| 715 | printf_filtered. */ |
| 716 | begin_line (); |
| 717 | } |
| 718 | else |
| 719 | PyErr_Clear (); |
| 720 | } |
| 721 | |
| 722 | \f |
| 723 | |
| 724 | /* Return the current Progspace. |
| 725 | There always is one. */ |
| 726 | |
| 727 | static PyObject * |
| 728 | gdbpy_get_current_progspace (PyObject *unused1, PyObject *unused2) |
| 729 | { |
| 730 | PyObject *result; |
| 731 | |
| 732 | result = pspace_to_pspace_object (current_program_space); |
| 733 | if (result) |
| 734 | Py_INCREF (result); |
| 735 | return result; |
| 736 | } |
| 737 | |
| 738 | /* Return a sequence holding all the Progspaces. */ |
| 739 | |
| 740 | static PyObject * |
| 741 | gdbpy_progspaces (PyObject *unused1, PyObject *unused2) |
| 742 | { |
| 743 | struct program_space *ps; |
| 744 | PyObject *list; |
| 745 | |
| 746 | list = PyList_New (0); |
| 747 | if (!list) |
| 748 | return NULL; |
| 749 | |
| 750 | ALL_PSPACES (ps) |
| 751 | { |
| 752 | PyObject *item = pspace_to_pspace_object (ps); |
| 753 | |
| 754 | if (!item || PyList_Append (list, item) == -1) |
| 755 | { |
| 756 | Py_DECREF (list); |
| 757 | return NULL; |
| 758 | } |
| 759 | } |
| 760 | |
| 761 | return list; |
| 762 | } |
| 763 | |
| 764 | \f |
| 765 | |
| 766 | /* The "current" objfile. This is set when gdb detects that a new |
| 767 | objfile has been loaded. It is only set for the duration of a call to |
| 768 | source_python_script_for_objfile; it is NULL at other times. */ |
| 769 | static struct objfile *gdbpy_current_objfile; |
| 770 | |
| 771 | /* Set the current objfile to OBJFILE and then read STREAM,FILE as |
| 772 | Python code. */ |
| 773 | |
| 774 | void |
| 775 | source_python_script_for_objfile (struct objfile *objfile, |
| 776 | FILE *stream, const char *file) |
| 777 | { |
| 778 | struct cleanup *cleanups; |
| 779 | |
| 780 | cleanups = ensure_python_env (get_objfile_arch (objfile), current_language); |
| 781 | gdbpy_current_objfile = objfile; |
| 782 | |
| 783 | /* Note: If an exception occurs python will print the traceback and |
| 784 | clear the error indicator. */ |
| 785 | PyRun_SimpleFile (stream, file); |
| 786 | |
| 787 | do_cleanups (cleanups); |
| 788 | gdbpy_current_objfile = NULL; |
| 789 | } |
| 790 | |
| 791 | /* Return the current Objfile, or None if there isn't one. */ |
| 792 | |
| 793 | static PyObject * |
| 794 | gdbpy_get_current_objfile (PyObject *unused1, PyObject *unused2) |
| 795 | { |
| 796 | PyObject *result; |
| 797 | |
| 798 | if (! gdbpy_current_objfile) |
| 799 | Py_RETURN_NONE; |
| 800 | |
| 801 | result = objfile_to_objfile_object (gdbpy_current_objfile); |
| 802 | if (result) |
| 803 | Py_INCREF (result); |
| 804 | return result; |
| 805 | } |
| 806 | |
| 807 | /* Return a sequence holding all the Objfiles. */ |
| 808 | |
| 809 | static PyObject * |
| 810 | gdbpy_objfiles (PyObject *unused1, PyObject *unused2) |
| 811 | { |
| 812 | struct objfile *objf; |
| 813 | PyObject *list; |
| 814 | |
| 815 | list = PyList_New (0); |
| 816 | if (!list) |
| 817 | return NULL; |
| 818 | |
| 819 | ALL_OBJFILES (objf) |
| 820 | { |
| 821 | PyObject *item = objfile_to_objfile_object (objf); |
| 822 | |
| 823 | if (!item || PyList_Append (list, item) == -1) |
| 824 | { |
| 825 | Py_DECREF (list); |
| 826 | return NULL; |
| 827 | } |
| 828 | } |
| 829 | |
| 830 | return list; |
| 831 | } |
| 832 | |
| 833 | #else /* HAVE_PYTHON */ |
| 834 | |
| 835 | /* Dummy implementation of the gdb "python" command. */ |
| 836 | |
| 837 | static void |
| 838 | python_command (char *arg, int from_tty) |
| 839 | { |
| 840 | while (arg && *arg && isspace (*arg)) |
| 841 | ++arg; |
| 842 | if (arg && *arg) |
| 843 | error (_("Python scripting is not supported in this copy of GDB.")); |
| 844 | else |
| 845 | { |
| 846 | struct command_line *l = get_command_line (python_control, ""); |
| 847 | struct cleanup *cleanups = make_cleanup_free_command_lines (&l); |
| 848 | |
| 849 | execute_control_command_untraced (l); |
| 850 | do_cleanups (cleanups); |
| 851 | } |
| 852 | } |
| 853 | |
| 854 | void |
| 855 | eval_python_from_control_command (struct command_line *cmd) |
| 856 | { |
| 857 | error (_("Python scripting is not supported in this copy of GDB.")); |
| 858 | } |
| 859 | |
| 860 | void |
| 861 | source_python_script (FILE *stream, const char *file) |
| 862 | { |
| 863 | throw_error (UNSUPPORTED_ERROR, |
| 864 | _("Python scripting is not supported in this copy of GDB.")); |
| 865 | } |
| 866 | |
| 867 | #endif /* HAVE_PYTHON */ |
| 868 | |
| 869 | \f |
| 870 | |
| 871 | /* Lists for 'maint set python' commands. */ |
| 872 | |
| 873 | struct cmd_list_element *set_python_list; |
| 874 | struct cmd_list_element *show_python_list; |
| 875 | |
| 876 | /* Function for use by 'maint set python' prefix command. */ |
| 877 | |
| 878 | static void |
| 879 | set_python (char *args, int from_tty) |
| 880 | { |
| 881 | help_list (set_python_list, "maintenance set python ", -1, gdb_stdout); |
| 882 | } |
| 883 | |
| 884 | /* Function for use by 'maint show python' prefix command. */ |
| 885 | |
| 886 | static void |
| 887 | show_python (char *args, int from_tty) |
| 888 | { |
| 889 | cmd_show_list (show_python_list, from_tty, ""); |
| 890 | } |
| 891 | |
| 892 | /* Initialize the Python code. */ |
| 893 | |
| 894 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 895 | extern initialize_file_ftype _initialize_python; |
| 896 | |
| 897 | void |
| 898 | _initialize_python (void) |
| 899 | { |
| 900 | add_com ("python", class_obscure, python_command, |
| 901 | #ifdef HAVE_PYTHON |
| 902 | _("\ |
| 903 | Evaluate a Python command.\n\ |
| 904 | \n\ |
| 905 | The command can be given as an argument, for instance:\n\ |
| 906 | \n\ |
| 907 | python print 23\n\ |
| 908 | \n\ |
| 909 | If no argument is given, the following lines are read and used\n\ |
| 910 | as the Python commands. Type a line containing \"end\" to indicate\n\ |
| 911 | the end of the command.") |
| 912 | #else /* HAVE_PYTHON */ |
| 913 | _("\ |
| 914 | Evaluate a Python command.\n\ |
| 915 | \n\ |
| 916 | Python scripting is not supported in this copy of GDB.\n\ |
| 917 | This command is only a placeholder.") |
| 918 | #endif /* HAVE_PYTHON */ |
| 919 | ); |
| 920 | |
| 921 | add_prefix_cmd ("python", no_class, show_python, |
| 922 | _("Prefix command for python maintenance settings."), |
| 923 | &show_python_list, "maintenance show python ", 0, |
| 924 | &maintenance_show_cmdlist); |
| 925 | add_prefix_cmd ("python", no_class, set_python, |
| 926 | _("Prefix command for python maintenance settings."), |
| 927 | &set_python_list, "maintenance set python ", 0, |
| 928 | &maintenance_set_cmdlist); |
| 929 | |
| 930 | add_setshow_boolean_cmd ("print-stack", class_maintenance, |
| 931 | &gdbpy_should_print_stack, _("\ |
| 932 | Enable or disable printing of Python stack dump on error."), _("\ |
| 933 | Show whether Python stack will be printed on error."), _("\ |
| 934 | Enables or disables printing of Python stack traces."), |
| 935 | NULL, NULL, |
| 936 | &set_python_list, |
| 937 | &show_python_list); |
| 938 | |
| 939 | #ifdef HAVE_PYTHON |
| 940 | #ifdef WITH_PYTHON_PATH |
| 941 | /* Work around problem where python gets confused about where it is, |
| 942 | and then can't find its libraries, etc. |
| 943 | NOTE: Python assumes the following layout: |
| 944 | /foo/bin/python |
| 945 | /foo/lib/pythonX.Y/... |
| 946 | This must be done before calling Py_Initialize. */ |
| 947 | Py_SetProgramName (concat (ldirname (python_libdir), SLASH_STRING, "bin", |
| 948 | SLASH_STRING, "python", NULL)); |
| 949 | #endif |
| 950 | |
| 951 | Py_Initialize (); |
| 952 | PyEval_InitThreads (); |
| 953 | |
| 954 | gdb_module = Py_InitModule ("gdb", GdbMethods); |
| 955 | |
| 956 | /* The casts to (char*) are for python 2.4. */ |
| 957 | PyModule_AddStringConstant (gdb_module, "VERSION", (char*) version); |
| 958 | PyModule_AddStringConstant (gdb_module, "HOST_CONFIG", (char*) host_name); |
| 959 | PyModule_AddStringConstant (gdb_module, "TARGET_CONFIG", |
| 960 | (char*) target_name); |
| 961 | |
| 962 | /* gdb.parameter ("data-directory") doesn't necessarily exist when the python |
| 963 | script below is run (depending on order of _initialize_* functions). |
| 964 | Define the initial value of gdb.PYTHONDIR here. */ |
| 965 | { |
| 966 | char *gdb_pythondir; |
| 967 | |
| 968 | gdb_pythondir = concat (gdb_datadir, SLASH_STRING, "python", NULL); |
| 969 | PyModule_AddStringConstant (gdb_module, "PYTHONDIR", gdb_pythondir); |
| 970 | xfree (gdb_pythondir); |
| 971 | } |
| 972 | |
| 973 | gdbpy_gdb_error = PyErr_NewException ("gdb.error", PyExc_RuntimeError, NULL); |
| 974 | PyModule_AddObject (gdb_module, "error", gdbpy_gdb_error); |
| 975 | |
| 976 | gdbpy_gdb_memory_error = PyErr_NewException ("gdb.MemoryError", |
| 977 | gdbpy_gdb_error, NULL); |
| 978 | PyModule_AddObject (gdb_module, "MemoryError", gdbpy_gdb_memory_error); |
| 979 | |
| 980 | gdbpy_gdberror_exc = PyErr_NewException ("gdb.GdbError", NULL, NULL); |
| 981 | PyModule_AddObject (gdb_module, "GdbError", gdbpy_gdberror_exc); |
| 982 | |
| 983 | gdbpy_initialize_auto_load (); |
| 984 | gdbpy_initialize_values (); |
| 985 | gdbpy_initialize_frames (); |
| 986 | gdbpy_initialize_commands (); |
| 987 | gdbpy_initialize_symbols (); |
| 988 | gdbpy_initialize_symtabs (); |
| 989 | gdbpy_initialize_blocks (); |
| 990 | gdbpy_initialize_functions (); |
| 991 | gdbpy_initialize_parameters (); |
| 992 | gdbpy_initialize_types (); |
| 993 | gdbpy_initialize_pspace (); |
| 994 | gdbpy_initialize_objfile (); |
| 995 | gdbpy_initialize_breakpoints (); |
| 996 | gdbpy_initialize_lazy_string (); |
| 997 | gdbpy_initialize_thread (); |
| 998 | gdbpy_initialize_inferior (); |
| 999 | gdbpy_initialize_events (); |
| 1000 | |
| 1001 | gdbpy_initialize_eventregistry (); |
| 1002 | gdbpy_initialize_py_events (); |
| 1003 | gdbpy_initialize_event (); |
| 1004 | gdbpy_initialize_stop_event (); |
| 1005 | gdbpy_initialize_signal_event (); |
| 1006 | gdbpy_initialize_breakpoint_event (); |
| 1007 | gdbpy_initialize_continue_event (); |
| 1008 | gdbpy_initialize_exited_event (); |
| 1009 | gdbpy_initialize_thread_event (); |
| 1010 | |
| 1011 | PyRun_SimpleString ("import gdb"); |
| 1012 | PyRun_SimpleString ("gdb.pretty_printers = []"); |
| 1013 | |
| 1014 | gdbpy_to_string_cst = PyString_FromString ("to_string"); |
| 1015 | gdbpy_children_cst = PyString_FromString ("children"); |
| 1016 | gdbpy_display_hint_cst = PyString_FromString ("display_hint"); |
| 1017 | gdbpy_doc_cst = PyString_FromString ("__doc__"); |
| 1018 | gdbpy_enabled_cst = PyString_FromString ("enabled"); |
| 1019 | gdbpy_value_cst = PyString_FromString ("value"); |
| 1020 | |
| 1021 | /* Release the GIL while gdb runs. */ |
| 1022 | PyThreadState_Swap (NULL); |
| 1023 | PyEval_ReleaseLock (); |
| 1024 | |
| 1025 | #endif /* HAVE_PYTHON */ |
| 1026 | } |
| 1027 | |
| 1028 | #ifdef HAVE_PYTHON |
| 1029 | |
| 1030 | /* Perform the remaining python initializations. |
| 1031 | These must be done after GDB is at least mostly initialized. |
| 1032 | E.g., The "info pretty-printer" command needs the "info" prefix |
| 1033 | command installed. */ |
| 1034 | |
| 1035 | void |
| 1036 | finish_python_initialization (void) |
| 1037 | { |
| 1038 | struct cleanup *cleanup; |
| 1039 | |
| 1040 | cleanup = ensure_python_env (get_current_arch (), current_language); |
| 1041 | |
| 1042 | PyRun_SimpleString ("\ |
| 1043 | import os\n\ |
| 1044 | import sys\n\ |
| 1045 | \n\ |
| 1046 | class GdbOutputFile:\n\ |
| 1047 | def close(self):\n\ |
| 1048 | # Do nothing.\n\ |
| 1049 | return None\n\ |
| 1050 | \n\ |
| 1051 | def isatty(self):\n\ |
| 1052 | return False\n\ |
| 1053 | \n\ |
| 1054 | def write(self, s):\n\ |
| 1055 | gdb.write(s)\n\ |
| 1056 | \n\ |
| 1057 | def writelines(self, iterable):\n\ |
| 1058 | for line in iterable:\n\ |
| 1059 | self.write(line)\n\ |
| 1060 | \n\ |
| 1061 | def flush(self):\n\ |
| 1062 | gdb.flush()\n\ |
| 1063 | \n\ |
| 1064 | sys.stderr = GdbOutputFile()\n\ |
| 1065 | sys.stdout = GdbOutputFile()\n\ |
| 1066 | \n\ |
| 1067 | # Ideally this would live in the gdb module, but it's intentionally written\n\ |
| 1068 | # in python, and we need this to bootstrap the gdb module.\n\ |
| 1069 | \n\ |
| 1070 | def GdbSetPythonDirectory (dir):\n\ |
| 1071 | \"Set gdb.PYTHONDIR and update sys.path,etc.\"\n\ |
| 1072 | old_dir = gdb.PYTHONDIR\n\ |
| 1073 | gdb.PYTHONDIR = dir\n\ |
| 1074 | # GDB's python scripts are stored inside gdb.PYTHONDIR. So insert\n\ |
| 1075 | # that directory name at the start of sys.path to allow the Python\n\ |
| 1076 | # interpreter to find them.\n\ |
| 1077 | if old_dir in sys.path:\n\ |
| 1078 | sys.path.remove (old_dir)\n\ |
| 1079 | sys.path.insert (0, gdb.PYTHONDIR)\n\ |
| 1080 | \n\ |
| 1081 | # Tell python where to find submodules of gdb.\n\ |
| 1082 | gdb.__path__ = [gdb.PYTHONDIR + '/gdb']\n\ |
| 1083 | \n\ |
| 1084 | # The gdb module is implemented in C rather than in Python. As a result,\n\ |
| 1085 | # the associated __init.py__ script is not not executed by default when\n\ |
| 1086 | # the gdb module gets imported. Execute that script manually if it\n\ |
| 1087 | # exists.\n\ |
| 1088 | ipy = gdb.PYTHONDIR + '/gdb/__init__.py'\n\ |
| 1089 | if os.path.exists (ipy):\n\ |
| 1090 | execfile (ipy)\n\ |
| 1091 | \n\ |
| 1092 | # Install the default gdb.PYTHONDIR.\n\ |
| 1093 | GdbSetPythonDirectory (gdb.PYTHONDIR)\n\ |
| 1094 | "); |
| 1095 | |
| 1096 | do_cleanups (cleanup); |
| 1097 | } |
| 1098 | |
| 1099 | #endif /* HAVE_PYTHON */ |
| 1100 | |
| 1101 | \f |
| 1102 | |
| 1103 | #ifdef HAVE_PYTHON |
| 1104 | |
| 1105 | static PyMethodDef GdbMethods[] = |
| 1106 | { |
| 1107 | { "history", gdbpy_history, METH_VARARGS, |
| 1108 | "Get a value from history" }, |
| 1109 | { "execute", (PyCFunction) execute_gdb_command, METH_VARARGS | METH_KEYWORDS, |
| 1110 | "Execute a gdb command" }, |
| 1111 | { "parameter", gdbpy_parameter, METH_VARARGS, |
| 1112 | "Return a gdb parameter's value" }, |
| 1113 | |
| 1114 | { "breakpoints", gdbpy_breakpoints, METH_NOARGS, |
| 1115 | "Return a tuple of all breakpoint objects" }, |
| 1116 | |
| 1117 | { "default_visualizer", gdbpy_default_visualizer, METH_VARARGS, |
| 1118 | "Find the default visualizer for a Value." }, |
| 1119 | |
| 1120 | { "current_progspace", gdbpy_get_current_progspace, METH_NOARGS, |
| 1121 | "Return the current Progspace." }, |
| 1122 | { "progspaces", gdbpy_progspaces, METH_NOARGS, |
| 1123 | "Return a sequence of all progspaces." }, |
| 1124 | |
| 1125 | { "current_objfile", gdbpy_get_current_objfile, METH_NOARGS, |
| 1126 | "Return the current Objfile being loaded, or None." }, |
| 1127 | { "objfiles", gdbpy_objfiles, METH_NOARGS, |
| 1128 | "Return a sequence of all loaded objfiles." }, |
| 1129 | |
| 1130 | { "newest_frame", gdbpy_newest_frame, METH_NOARGS, |
| 1131 | "newest_frame () -> gdb.Frame.\n\ |
| 1132 | Return the newest frame object." }, |
| 1133 | { "selected_frame", gdbpy_selected_frame, METH_NOARGS, |
| 1134 | "selected_frame () -> gdb.Frame.\n\ |
| 1135 | Return the selected frame object." }, |
| 1136 | { "frame_stop_reason_string", gdbpy_frame_stop_reason_string, METH_VARARGS, |
| 1137 | "stop_reason_string (Integer) -> String.\n\ |
| 1138 | Return a string explaining unwind stop reason." }, |
| 1139 | |
| 1140 | { "lookup_type", (PyCFunction) gdbpy_lookup_type, |
| 1141 | METH_VARARGS | METH_KEYWORDS, |
| 1142 | "lookup_type (name [, block]) -> type\n\ |
| 1143 | Return a Type corresponding to the given name." }, |
| 1144 | { "lookup_symbol", (PyCFunction) gdbpy_lookup_symbol, |
| 1145 | METH_VARARGS | METH_KEYWORDS, |
| 1146 | "lookup_symbol (name [, block] [, domain]) -> (symbol, is_field_of_this)\n\ |
| 1147 | Return a tuple with the symbol corresponding to the given name (or None) and\n\ |
| 1148 | a boolean indicating if name is a field of the current implied argument\n\ |
| 1149 | `this' (when the current language is object-oriented)." }, |
| 1150 | { "lookup_global_symbol", (PyCFunction) gdbpy_lookup_global_symbol, |
| 1151 | METH_VARARGS | METH_KEYWORDS, |
| 1152 | "lookup_global_symbol (name [, domain]) -> symbol\n\ |
| 1153 | Return the symbol corresponding to the given name (or None)." }, |
| 1154 | { "block_for_pc", gdbpy_block_for_pc, METH_VARARGS, |
| 1155 | "Return the block containing the given pc value, or None." }, |
| 1156 | { "solib_name", gdbpy_solib_name, METH_VARARGS, |
| 1157 | "solib_name (Long) -> String.\n\ |
| 1158 | Return the name of the shared library holding a given address, or None." }, |
| 1159 | { "decode_line", gdbpy_decode_line, METH_VARARGS, |
| 1160 | "decode_line (String) -> Tuple. Decode a string argument the way\n\ |
| 1161 | that 'break' or 'edit' does. Return a tuple containing two elements.\n\ |
| 1162 | The first element contains any unparsed portion of the String parameter\n\ |
| 1163 | (or None if the string was fully parsed). The second element contains\n\ |
| 1164 | a tuple that contains all the locations that match, represented as\n\ |
| 1165 | gdb.Symtab_and_line objects (or None)."}, |
| 1166 | { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS, |
| 1167 | "parse_and_eval (String) -> Value.\n\ |
| 1168 | Parse String as an expression, evaluate it, and return the result as a Value." |
| 1169 | }, |
| 1170 | |
| 1171 | { "post_event", gdbpy_post_event, METH_VARARGS, |
| 1172 | "Post an event into gdb's event loop." }, |
| 1173 | |
| 1174 | { "target_charset", gdbpy_target_charset, METH_NOARGS, |
| 1175 | "target_charset () -> string.\n\ |
| 1176 | Return the name of the current target charset." }, |
| 1177 | { "target_wide_charset", gdbpy_target_wide_charset, METH_NOARGS, |
| 1178 | "target_wide_charset () -> string.\n\ |
| 1179 | Return the name of the current target wide charset." }, |
| 1180 | |
| 1181 | { "string_to_argv", gdbpy_string_to_argv, METH_VARARGS, |
| 1182 | "string_to_argv (String) -> Array.\n\ |
| 1183 | Parse String and return an argv-like array.\n\ |
| 1184 | Arguments are separate by spaces and may be quoted." |
| 1185 | }, |
| 1186 | |
| 1187 | { "write", gdbpy_write, METH_VARARGS, |
| 1188 | "Write a string using gdb's filtered stream." }, |
| 1189 | { "flush", gdbpy_flush, METH_NOARGS, |
| 1190 | "Flush gdb's filtered stdout stream." }, |
| 1191 | { "selected_thread", gdbpy_selected_thread, METH_NOARGS, |
| 1192 | "selected_thread () -> gdb.InferiorThread.\n\ |
| 1193 | Return the selected thread object." }, |
| 1194 | { "inferiors", gdbpy_inferiors, METH_NOARGS, |
| 1195 | "inferiors () -> (gdb.Inferior, ...).\n\ |
| 1196 | Return a tuple containing all inferiors." }, |
| 1197 | {NULL, NULL, 0, NULL} |
| 1198 | }; |
| 1199 | |
| 1200 | #endif /* HAVE_PYTHON */ |