| 1 | /* Python interface to symbol tables. |
| 2 | |
| 3 | Copyright (C) 2008-2012 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 "charset.h" |
| 22 | #include "symtab.h" |
| 23 | #include "source.h" |
| 24 | #include "python-internal.h" |
| 25 | #include "objfiles.h" |
| 26 | #include "block.h" |
| 27 | |
| 28 | typedef struct stpy_symtab_object { |
| 29 | PyObject_HEAD |
| 30 | /* The GDB Symbol table structure. */ |
| 31 | struct symtab *symtab; |
| 32 | /* A symtab object is associated with an objfile, so keep track with |
| 33 | a doubly-linked list, rooted in the objfile. This allows |
| 34 | invalidation of the underlying struct symtab when the objfile is |
| 35 | deleted. */ |
| 36 | struct stpy_symtab_object *prev; |
| 37 | struct stpy_symtab_object *next; |
| 38 | } symtab_object; |
| 39 | |
| 40 | static PyTypeObject symtab_object_type; |
| 41 | static const struct objfile_data *stpy_objfile_data_key; |
| 42 | |
| 43 | /* Require a valid symbol table. All access to symtab_object->symtab |
| 44 | should be gated by this call. */ |
| 45 | #define STPY_REQUIRE_VALID(symtab_obj, symtab) \ |
| 46 | do { \ |
| 47 | symtab = symtab_object_to_symtab (symtab_obj); \ |
| 48 | if (symtab == NULL) \ |
| 49 | { \ |
| 50 | PyErr_SetString (PyExc_RuntimeError, \ |
| 51 | _("Symbol Table is invalid.")); \ |
| 52 | return NULL; \ |
| 53 | } \ |
| 54 | } while (0) |
| 55 | |
| 56 | typedef struct salpy_sal_object { |
| 57 | PyObject_HEAD |
| 58 | /* The GDB Symbol table structure. */ |
| 59 | symtab_object *symtab; |
| 60 | /* The GDB Symbol table and line structure. */ |
| 61 | struct symtab_and_line *sal; |
| 62 | /* A Symtab and line object is associated with an objfile, so keep |
| 63 | track with a doubly-linked list, rooted in the objfile. This |
| 64 | allows invalidation of the underlying struct symtab_and_line |
| 65 | when the objfile is deleted. */ |
| 66 | struct salpy_sal_object *prev; |
| 67 | struct salpy_sal_object *next; |
| 68 | } sal_object; |
| 69 | |
| 70 | static PyTypeObject sal_object_type; |
| 71 | static const struct objfile_data *salpy_objfile_data_key; |
| 72 | |
| 73 | /* Require a valid symbol table and line object. All access to |
| 74 | sal_object->sal should be gated by this call. */ |
| 75 | #define SALPY_REQUIRE_VALID(sal_obj, sal) \ |
| 76 | do { \ |
| 77 | sal = sal_object_to_symtab_and_line (sal_obj); \ |
| 78 | if (sal == NULL) \ |
| 79 | { \ |
| 80 | PyErr_SetString (PyExc_RuntimeError, \ |
| 81 | _("Symbol Table and Line is invalid.")); \ |
| 82 | return NULL; \ |
| 83 | } \ |
| 84 | } while (0) |
| 85 | |
| 86 | static PyObject * |
| 87 | stpy_str (PyObject *self) |
| 88 | { |
| 89 | PyObject *result; |
| 90 | struct symtab *symtab = NULL; |
| 91 | |
| 92 | STPY_REQUIRE_VALID (self, symtab); |
| 93 | |
| 94 | result = PyString_FromString (symtab->filename); |
| 95 | |
| 96 | return result; |
| 97 | } |
| 98 | |
| 99 | static PyObject * |
| 100 | stpy_get_filename (PyObject *self, void *closure) |
| 101 | { |
| 102 | PyObject *str_obj; |
| 103 | struct symtab *symtab = NULL; |
| 104 | |
| 105 | STPY_REQUIRE_VALID (self, symtab); |
| 106 | |
| 107 | str_obj = PyString_Decode (symtab->filename, |
| 108 | strlen (symtab->filename), |
| 109 | host_charset (), NULL); |
| 110 | return str_obj; |
| 111 | } |
| 112 | |
| 113 | static PyObject * |
| 114 | stpy_get_objfile (PyObject *self, void *closure) |
| 115 | { |
| 116 | struct symtab *symtab = NULL; |
| 117 | PyObject *result; |
| 118 | |
| 119 | STPY_REQUIRE_VALID (self, symtab); |
| 120 | |
| 121 | result = objfile_to_objfile_object (symtab->objfile); |
| 122 | Py_XINCREF (result); |
| 123 | return result; |
| 124 | } |
| 125 | |
| 126 | static PyObject * |
| 127 | stpy_fullname (PyObject *self, PyObject *args) |
| 128 | { |
| 129 | const char *fullname; |
| 130 | struct symtab *symtab = NULL; |
| 131 | |
| 132 | STPY_REQUIRE_VALID (self, symtab); |
| 133 | |
| 134 | fullname = symtab_to_fullname (symtab); |
| 135 | if (fullname) |
| 136 | return PyString_Decode (fullname, strlen (fullname), |
| 137 | host_charset (), NULL); |
| 138 | |
| 139 | Py_RETURN_NONE; |
| 140 | } |
| 141 | |
| 142 | /* Implementation of gdb.Symtab.is_valid (self) -> Boolean. |
| 143 | Returns True if this Symbol table still exists in GDB. */ |
| 144 | |
| 145 | static PyObject * |
| 146 | stpy_is_valid (PyObject *self, PyObject *args) |
| 147 | { |
| 148 | struct symtab *symtab = NULL; |
| 149 | |
| 150 | symtab = symtab_object_to_symtab (self); |
| 151 | if (symtab == NULL) |
| 152 | Py_RETURN_FALSE; |
| 153 | |
| 154 | Py_RETURN_TRUE; |
| 155 | } |
| 156 | |
| 157 | /* Return the GLOBAL_BLOCK of the underlying symtab. */ |
| 158 | |
| 159 | static PyObject * |
| 160 | stpy_global_block (PyObject *self, PyObject *args) |
| 161 | { |
| 162 | struct symtab *symtab = NULL; |
| 163 | struct block *block = NULL; |
| 164 | struct blockvector *blockvector; |
| 165 | |
| 166 | STPY_REQUIRE_VALID (self, symtab); |
| 167 | |
| 168 | blockvector = BLOCKVECTOR (symtab); |
| 169 | block = BLOCKVECTOR_BLOCK (blockvector, GLOBAL_BLOCK); |
| 170 | return block_to_block_object (block, symtab->objfile); |
| 171 | } |
| 172 | |
| 173 | /* Return the STATIC_BLOCK of the underlying symtab. */ |
| 174 | |
| 175 | static PyObject * |
| 176 | stpy_static_block (PyObject *self, PyObject *args) |
| 177 | { |
| 178 | struct symtab *symtab = NULL; |
| 179 | struct block *block = NULL; |
| 180 | struct blockvector *blockvector; |
| 181 | |
| 182 | STPY_REQUIRE_VALID (self, symtab); |
| 183 | |
| 184 | blockvector = BLOCKVECTOR (symtab); |
| 185 | block = BLOCKVECTOR_BLOCK (blockvector, STATIC_BLOCK); |
| 186 | return block_to_block_object (block, symtab->objfile); |
| 187 | } |
| 188 | |
| 189 | static PyObject * |
| 190 | salpy_str (PyObject *self) |
| 191 | { |
| 192 | char *s, *filename; |
| 193 | sal_object *sal_obj; |
| 194 | PyObject *result; |
| 195 | struct symtab_and_line *sal = NULL; |
| 196 | |
| 197 | SALPY_REQUIRE_VALID (self, sal); |
| 198 | |
| 199 | sal_obj = (sal_object *) self; |
| 200 | filename = (sal_obj->symtab == (symtab_object *) Py_None) |
| 201 | ? "<unknown>" : sal_obj->symtab->symtab->filename; |
| 202 | |
| 203 | s = xstrprintf ("symbol and line for %s, line %d", filename, |
| 204 | sal->line); |
| 205 | |
| 206 | result = PyString_FromString (s); |
| 207 | xfree (s); |
| 208 | |
| 209 | return result; |
| 210 | } |
| 211 | |
| 212 | static void |
| 213 | stpy_dealloc (PyObject *obj) |
| 214 | { |
| 215 | symtab_object *symtab = (symtab_object *) obj; |
| 216 | |
| 217 | if (symtab->prev) |
| 218 | symtab->prev->next = symtab->next; |
| 219 | else if (symtab->symtab) |
| 220 | { |
| 221 | set_objfile_data (symtab->symtab->objfile, |
| 222 | stpy_objfile_data_key, symtab->next); |
| 223 | } |
| 224 | if (symtab->next) |
| 225 | symtab->next->prev = symtab->prev; |
| 226 | symtab->symtab = NULL; |
| 227 | } |
| 228 | |
| 229 | |
| 230 | static PyObject * |
| 231 | salpy_get_pc (PyObject *self, void *closure) |
| 232 | { |
| 233 | struct symtab_and_line *sal = NULL; |
| 234 | |
| 235 | SALPY_REQUIRE_VALID (self, sal); |
| 236 | |
| 237 | return gdb_py_long_from_ulongest (sal->pc); |
| 238 | } |
| 239 | |
| 240 | /* Implementation of the get method for the 'last' attribute of |
| 241 | gdb.Symtab_and_line. */ |
| 242 | |
| 243 | static PyObject * |
| 244 | salpy_get_last (PyObject *self, void *closure) |
| 245 | { |
| 246 | struct symtab_and_line *sal = NULL; |
| 247 | |
| 248 | SALPY_REQUIRE_VALID (self, sal); |
| 249 | |
| 250 | if (sal->end > 0) |
| 251 | return gdb_py_long_from_ulongest (sal->end - 1); |
| 252 | else |
| 253 | Py_RETURN_NONE; |
| 254 | } |
| 255 | |
| 256 | static PyObject * |
| 257 | salpy_get_line (PyObject *self, void *closure) |
| 258 | { |
| 259 | struct symtab_and_line *sal = NULL; |
| 260 | |
| 261 | SALPY_REQUIRE_VALID (self, sal); |
| 262 | |
| 263 | return PyInt_FromLong (sal->line); |
| 264 | } |
| 265 | |
| 266 | static PyObject * |
| 267 | salpy_get_symtab (PyObject *self, void *closure) |
| 268 | { |
| 269 | struct symtab_and_line *sal; |
| 270 | sal_object *self_sal = (sal_object *) self; |
| 271 | |
| 272 | SALPY_REQUIRE_VALID (self, sal); |
| 273 | |
| 274 | Py_INCREF (self_sal->symtab); |
| 275 | |
| 276 | return (PyObject *) self_sal->symtab; |
| 277 | } |
| 278 | |
| 279 | /* Implementation of gdb.Symtab_and_line.is_valid (self) -> Boolean. |
| 280 | Returns True if this Symbol table and line object still exists GDB. */ |
| 281 | |
| 282 | static PyObject * |
| 283 | salpy_is_valid (PyObject *self, PyObject *args) |
| 284 | { |
| 285 | struct symtab_and_line *sal; |
| 286 | |
| 287 | sal = sal_object_to_symtab_and_line (self); |
| 288 | if (sal == NULL) |
| 289 | Py_RETURN_FALSE; |
| 290 | |
| 291 | Py_RETURN_TRUE; |
| 292 | } |
| 293 | |
| 294 | static void |
| 295 | salpy_dealloc (PyObject *self) |
| 296 | { |
| 297 | sal_object *self_sal = (sal_object *) self; |
| 298 | |
| 299 | if (self_sal->prev) |
| 300 | self_sal->prev->next = self_sal->next; |
| 301 | else if (self_sal->symtab != (symtab_object * ) Py_None) |
| 302 | set_objfile_data (self_sal->symtab->symtab->objfile, |
| 303 | salpy_objfile_data_key, self_sal->next); |
| 304 | |
| 305 | if (self_sal->next) |
| 306 | self_sal->next->prev = self_sal->prev; |
| 307 | |
| 308 | Py_DECREF (self_sal->symtab); |
| 309 | xfree (self_sal->sal); |
| 310 | self_sal->ob_type->tp_free (self); |
| 311 | } |
| 312 | |
| 313 | /* Given a sal, and a sal_object that has previously been allocated |
| 314 | and initialized, populate the sal_object with the struct sal data. |
| 315 | Also, register the sal_object life-cycle with the life-cycle of the |
| 316 | object file associated with this sal, if needed. If a failure |
| 317 | occurs during the sal population, this function will return |
| 318 | NULL. */ |
| 319 | static int |
| 320 | set_sal (sal_object *sal_obj, struct symtab_and_line sal) |
| 321 | { |
| 322 | symtab_object *symtab_obj; |
| 323 | |
| 324 | if (sal.symtab) |
| 325 | { |
| 326 | symtab_obj = (symtab_object *) symtab_to_symtab_object (sal.symtab); |
| 327 | /* If a symtab existed in the sal, but it cannot be duplicated, |
| 328 | we exit. */ |
| 329 | if (symtab_obj == NULL) |
| 330 | return 0; |
| 331 | } |
| 332 | else |
| 333 | { |
| 334 | symtab_obj = (symtab_object *) Py_None; |
| 335 | Py_INCREF (Py_None); |
| 336 | } |
| 337 | |
| 338 | sal_obj->sal = xmemdup (&sal, sizeof (struct symtab_and_line), |
| 339 | sizeof (struct symtab_and_line)); |
| 340 | sal_obj->symtab = symtab_obj; |
| 341 | sal_obj->prev = NULL; |
| 342 | |
| 343 | /* If the SAL does not have a symtab, we do not add it to the |
| 344 | objfile cleanup observer linked list. */ |
| 345 | if (sal_obj->symtab != (symtab_object *)Py_None) |
| 346 | { |
| 347 | sal_obj->next = objfile_data (sal_obj->symtab->symtab->objfile, |
| 348 | salpy_objfile_data_key); |
| 349 | if (sal_obj->next) |
| 350 | sal_obj->next->prev = sal_obj; |
| 351 | |
| 352 | set_objfile_data (sal_obj->symtab->symtab->objfile, |
| 353 | salpy_objfile_data_key, sal_obj); |
| 354 | } |
| 355 | else |
| 356 | sal_obj->next = NULL; |
| 357 | |
| 358 | return 1; |
| 359 | } |
| 360 | |
| 361 | /* Given a symtab, and a symtab_object that has previously been |
| 362 | allocated and initialized, populate the symtab_object with the |
| 363 | struct symtab data. Also, register the symtab_object life-cycle |
| 364 | with the life-cycle of the object file associated with this |
| 365 | symtab, if needed. */ |
| 366 | static void |
| 367 | set_symtab (symtab_object *obj, struct symtab *symtab) |
| 368 | { |
| 369 | obj->symtab = symtab; |
| 370 | obj->prev = NULL; |
| 371 | if (symtab) |
| 372 | { |
| 373 | obj->next = objfile_data (symtab->objfile, stpy_objfile_data_key); |
| 374 | if (obj->next) |
| 375 | obj->next->prev = obj; |
| 376 | set_objfile_data (symtab->objfile, stpy_objfile_data_key, obj); |
| 377 | } |
| 378 | else |
| 379 | obj->next = NULL; |
| 380 | } |
| 381 | |
| 382 | /* Create a new symbol table (gdb.Symtab) object that encapsulates the |
| 383 | symtab structure from GDB. */ |
| 384 | PyObject * |
| 385 | symtab_to_symtab_object (struct symtab *symtab) |
| 386 | { |
| 387 | symtab_object *symtab_obj; |
| 388 | |
| 389 | symtab_obj = PyObject_New (symtab_object, &symtab_object_type); |
| 390 | if (symtab_obj) |
| 391 | set_symtab (symtab_obj, symtab); |
| 392 | |
| 393 | return (PyObject *) symtab_obj; |
| 394 | } |
| 395 | |
| 396 | /* Create a new symtab and line (gdb.Symtab_and_line) object |
| 397 | that encapsulates the symtab_and_line structure from GDB. */ |
| 398 | PyObject * |
| 399 | symtab_and_line_to_sal_object (struct symtab_and_line sal) |
| 400 | |
| 401 | { |
| 402 | sal_object *sal_obj; |
| 403 | int success = 0; |
| 404 | |
| 405 | sal_obj = PyObject_New (sal_object, &sal_object_type); |
| 406 | if (sal_obj) |
| 407 | { |
| 408 | success = set_sal (sal_obj, sal); |
| 409 | if (!success) |
| 410 | { |
| 411 | Py_DECREF (sal_obj); |
| 412 | return NULL; |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | return (PyObject *) sal_obj; |
| 417 | } |
| 418 | |
| 419 | /* Return struct symtab_and_line reference that is wrapped by this |
| 420 | object. */ |
| 421 | struct symtab_and_line * |
| 422 | sal_object_to_symtab_and_line (PyObject *obj) |
| 423 | { |
| 424 | if (! PyObject_TypeCheck (obj, &sal_object_type)) |
| 425 | return NULL; |
| 426 | return ((sal_object *) obj)->sal; |
| 427 | } |
| 428 | |
| 429 | /* Return struct symtab reference that is wrapped by this object. */ |
| 430 | struct symtab * |
| 431 | symtab_object_to_symtab (PyObject *obj) |
| 432 | { |
| 433 | if (! PyObject_TypeCheck (obj, &symtab_object_type)) |
| 434 | return NULL; |
| 435 | return ((symtab_object *) obj)->symtab; |
| 436 | } |
| 437 | |
| 438 | /* This function is called when an objfile is about to be freed. |
| 439 | Invalidate the symbol table as further actions on the symbol table |
| 440 | would result in bad data. All access to obj->symtab should be |
| 441 | gated by STPY_REQUIRE_VALID which will raise an exception on |
| 442 | invalid symbol tables. */ |
| 443 | static void |
| 444 | del_objfile_symtab (struct objfile *objfile, void *datum) |
| 445 | { |
| 446 | symtab_object *obj = datum; |
| 447 | |
| 448 | while (obj) |
| 449 | { |
| 450 | symtab_object *next = obj->next; |
| 451 | |
| 452 | obj->symtab = NULL; |
| 453 | obj->next = NULL; |
| 454 | obj->prev = NULL; |
| 455 | obj = next; |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | /* This function is called when an objfile is about to be freed. |
| 460 | Invalidate the sal object as further actions on the sal |
| 461 | would result in bad data. All access to obj->sal should be |
| 462 | gated by SALPY_REQUIRE_VALID which will raise an exception on |
| 463 | invalid symbol table and line objects. */ |
| 464 | static void |
| 465 | del_objfile_sal (struct objfile *objfile, void *datum) |
| 466 | { |
| 467 | sal_object *obj = datum; |
| 468 | |
| 469 | while (obj) |
| 470 | { |
| 471 | sal_object *next = obj->next; |
| 472 | |
| 473 | Py_DECREF (obj->symtab); |
| 474 | obj->symtab = (symtab_object *) Py_None; |
| 475 | Py_INCREF (Py_None); |
| 476 | |
| 477 | obj->next = NULL; |
| 478 | obj->prev = NULL; |
| 479 | xfree (obj->sal); |
| 480 | obj->sal = NULL; |
| 481 | |
| 482 | obj = next; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | void |
| 487 | gdbpy_initialize_symtabs (void) |
| 488 | { |
| 489 | symtab_object_type.tp_new = PyType_GenericNew; |
| 490 | if (PyType_Ready (&symtab_object_type) < 0) |
| 491 | return; |
| 492 | |
| 493 | sal_object_type.tp_new = PyType_GenericNew; |
| 494 | if (PyType_Ready (&sal_object_type) < 0) |
| 495 | return; |
| 496 | |
| 497 | /* Register an objfile "free" callback so we can properly |
| 498 | invalidate symbol tables, and symbol table and line data |
| 499 | structures when an object file that is about to be |
| 500 | deleted. */ |
| 501 | stpy_objfile_data_key |
| 502 | = register_objfile_data_with_cleanup (NULL, del_objfile_symtab); |
| 503 | salpy_objfile_data_key |
| 504 | = register_objfile_data_with_cleanup (NULL, del_objfile_sal); |
| 505 | |
| 506 | Py_INCREF (&symtab_object_type); |
| 507 | PyModule_AddObject (gdb_module, "Symtab", |
| 508 | (PyObject *) &symtab_object_type); |
| 509 | |
| 510 | Py_INCREF (&sal_object_type); |
| 511 | PyModule_AddObject (gdb_module, "Symtab_and_line", |
| 512 | (PyObject *) &sal_object_type); |
| 513 | } |
| 514 | |
| 515 | \f |
| 516 | |
| 517 | static PyGetSetDef symtab_object_getset[] = { |
| 518 | { "filename", stpy_get_filename, NULL, |
| 519 | "The symbol table's source filename.", NULL }, |
| 520 | { "objfile", stpy_get_objfile, NULL, "The symtab's objfile.", |
| 521 | NULL }, |
| 522 | {NULL} /* Sentinel */ |
| 523 | }; |
| 524 | |
| 525 | static PyMethodDef symtab_object_methods[] = { |
| 526 | { "is_valid", stpy_is_valid, METH_NOARGS, |
| 527 | "is_valid () -> Boolean.\n\ |
| 528 | Return true if this symbol table is valid, false if not." }, |
| 529 | { "fullname", stpy_fullname, METH_NOARGS, |
| 530 | "fullname () -> String.\n\ |
| 531 | Return the symtab's full source filename." }, |
| 532 | { "global_block", stpy_global_block, METH_NOARGS, |
| 533 | "global_block () -> gdb.Block.\n\ |
| 534 | Return the global block of the symbol table." }, |
| 535 | { "static_block", stpy_static_block, METH_NOARGS, |
| 536 | "static_block () -> gdb.Block.\n\ |
| 537 | Return the static block of the symbol table." }, |
| 538 | {NULL} /* Sentinel */ |
| 539 | }; |
| 540 | |
| 541 | static PyTypeObject symtab_object_type = { |
| 542 | PyObject_HEAD_INIT (NULL) |
| 543 | 0, /*ob_size*/ |
| 544 | "gdb.Symtab", /*tp_name*/ |
| 545 | sizeof (symtab_object), /*tp_basicsize*/ |
| 546 | 0, /*tp_itemsize*/ |
| 547 | stpy_dealloc, /*tp_dealloc*/ |
| 548 | 0, /*tp_print*/ |
| 549 | 0, /*tp_getattr*/ |
| 550 | 0, /*tp_setattr*/ |
| 551 | 0, /*tp_compare*/ |
| 552 | 0, /*tp_repr*/ |
| 553 | 0, /*tp_as_number*/ |
| 554 | 0, /*tp_as_sequence*/ |
| 555 | 0, /*tp_as_mapping*/ |
| 556 | 0, /*tp_hash */ |
| 557 | 0, /*tp_call*/ |
| 558 | stpy_str, /*tp_str*/ |
| 559 | 0, /*tp_getattro*/ |
| 560 | 0, /*tp_setattro*/ |
| 561 | 0, /*tp_as_buffer*/ |
| 562 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 563 | "GDB symtab object", /*tp_doc */ |
| 564 | 0, /*tp_traverse */ |
| 565 | 0, /*tp_clear */ |
| 566 | 0, /*tp_richcompare */ |
| 567 | 0, /*tp_weaklistoffset */ |
| 568 | 0, /*tp_iter */ |
| 569 | 0, /*tp_iternext */ |
| 570 | symtab_object_methods, /*tp_methods */ |
| 571 | 0, /*tp_members */ |
| 572 | symtab_object_getset /*tp_getset */ |
| 573 | }; |
| 574 | |
| 575 | static PyGetSetDef sal_object_getset[] = { |
| 576 | { "symtab", salpy_get_symtab, NULL, "Symtab object.", NULL }, |
| 577 | { "pc", salpy_get_pc, NULL, "Return the symtab_and_line's pc.", NULL }, |
| 578 | { "last", salpy_get_last, NULL, |
| 579 | "Return the symtab_and_line's last address.", NULL }, |
| 580 | { "line", salpy_get_line, NULL, |
| 581 | "Return the symtab_and_line's line.", NULL }, |
| 582 | {NULL} /* Sentinel */ |
| 583 | }; |
| 584 | |
| 585 | static PyMethodDef sal_object_methods[] = { |
| 586 | { "is_valid", salpy_is_valid, METH_NOARGS, |
| 587 | "is_valid () -> Boolean.\n\ |
| 588 | Return true if this symbol table and line is valid, false if not." }, |
| 589 | {NULL} /* Sentinel */ |
| 590 | }; |
| 591 | |
| 592 | static PyTypeObject sal_object_type = { |
| 593 | PyObject_HEAD_INIT (NULL) |
| 594 | 0, /*ob_size*/ |
| 595 | "gdb.Symtab_and_line", /*tp_name*/ |
| 596 | sizeof (sal_object), /*tp_basicsize*/ |
| 597 | 0, /*tp_itemsize*/ |
| 598 | salpy_dealloc, /*tp_dealloc*/ |
| 599 | 0, /*tp_print*/ |
| 600 | 0, /*tp_getattr*/ |
| 601 | 0, /*tp_setattr*/ |
| 602 | 0, /*tp_compare*/ |
| 603 | 0, /*tp_repr*/ |
| 604 | 0, /*tp_as_number*/ |
| 605 | 0, /*tp_as_sequence*/ |
| 606 | 0, /*tp_as_mapping*/ |
| 607 | 0, /*tp_hash */ |
| 608 | 0, /*tp_call*/ |
| 609 | salpy_str, /*tp_str*/ |
| 610 | 0, /*tp_getattro*/ |
| 611 | 0, /*tp_setattro*/ |
| 612 | 0, /*tp_as_buffer*/ |
| 613 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 614 | "GDB symtab_and_line object", /*tp_doc */ |
| 615 | 0, /*tp_traverse */ |
| 616 | 0, /*tp_clear */ |
| 617 | 0, /*tp_richcompare */ |
| 618 | 0, /*tp_weaklistoffset */ |
| 619 | 0, /*tp_iter */ |
| 620 | 0, /*tp_iternext */ |
| 621 | sal_object_methods, /*tp_methods */ |
| 622 | 0, /*tp_members */ |
| 623 | sal_object_getset /*tp_getset */ |
| 624 | }; |