| 1 | /* Python interface to line tables. |
| 2 | |
| 3 | Copyright (C) 2013-2014 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 "python-internal.h" |
| 22 | #include "exceptions.h" |
| 23 | |
| 24 | typedef struct { |
| 25 | PyObject_HEAD |
| 26 | /* The line table source line. */ |
| 27 | int line; |
| 28 | /* The pc associated with the source line. */ |
| 29 | CORE_ADDR pc; |
| 30 | } linetable_entry_object; |
| 31 | |
| 32 | static PyTypeObject linetable_entry_object_type |
| 33 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("linetable_entry_object"); |
| 34 | |
| 35 | typedef struct { |
| 36 | PyObject_HEAD |
| 37 | /* The symtab python object. We store the Python object here as the |
| 38 | underlying symtab can become invalid, and we have to run validity |
| 39 | checks on it. */ |
| 40 | PyObject *symtab; |
| 41 | } linetable_object; |
| 42 | |
| 43 | static PyTypeObject linetable_object_type |
| 44 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("linetable_object"); |
| 45 | |
| 46 | typedef struct { |
| 47 | PyObject_HEAD |
| 48 | /* The current entry in the line table for the iterator */ |
| 49 | int current_index; |
| 50 | /* Pointer back to the original source line table object. Needed to |
| 51 | check if the line table is still valid, and has not been invalidated |
| 52 | when an object file has been freed. */ |
| 53 | PyObject *source; |
| 54 | } ltpy_iterator_object; |
| 55 | |
| 56 | static PyTypeObject ltpy_iterator_object_type |
| 57 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("ltpy_iterator_object"); |
| 58 | |
| 59 | /* Internal helper function to extract gdb.Symtab from a gdb.Linetable |
| 60 | object. */ |
| 61 | |
| 62 | static PyObject * |
| 63 | get_symtab (PyObject *linetable) |
| 64 | { |
| 65 | linetable_object *lt = (linetable_object *) linetable; |
| 66 | |
| 67 | return lt->symtab; |
| 68 | } |
| 69 | |
| 70 | #define LTPY_REQUIRE_VALID(lt_obj, symtab) \ |
| 71 | do { \ |
| 72 | symtab = symtab_object_to_symtab (get_symtab (lt_obj)); \ |
| 73 | if (symtab == NULL) \ |
| 74 | { \ |
| 75 | PyErr_SetString (PyExc_RuntimeError, \ |
| 76 | _("Symbol Table in line table is invalid."));\ |
| 77 | return NULL; \ |
| 78 | } \ |
| 79 | } while (0) |
| 80 | |
| 81 | |
| 82 | /* Helper function to create a line table object that wraps a |
| 83 | gdb.Symtab object. */ |
| 84 | |
| 85 | PyObject * |
| 86 | symtab_to_linetable_object (PyObject *symtab) |
| 87 | { |
| 88 | linetable_object *ltable; |
| 89 | |
| 90 | ltable = PyObject_New (linetable_object, &linetable_object_type); |
| 91 | if (ltable != NULL) |
| 92 | { |
| 93 | ltable->symtab = symtab; |
| 94 | Py_INCREF (symtab); |
| 95 | } |
| 96 | return (PyObject *) ltable; |
| 97 | } |
| 98 | |
| 99 | /* Internal helper function to build a line table object from a line |
| 100 | and an address. */ |
| 101 | |
| 102 | static PyObject * |
| 103 | build_linetable_entry (int line, CORE_ADDR address) |
| 104 | { |
| 105 | linetable_entry_object *obj; |
| 106 | |
| 107 | obj = PyObject_New (linetable_entry_object, |
| 108 | &linetable_entry_object_type); |
| 109 | if (obj != NULL) |
| 110 | { |
| 111 | obj->line = line; |
| 112 | obj->pc = address; |
| 113 | } |
| 114 | |
| 115 | return (PyObject *) obj; |
| 116 | } |
| 117 | |
| 118 | /* Internal helper function to build a Python Tuple from a GDB Vector. |
| 119 | A line table entry can have multiple PCs for a given source line. |
| 120 | Construct a Tuple of all entries for the given source line, LINE |
| 121 | from the line table VEC. Construct one line table entry object per |
| 122 | address. */ |
| 123 | |
| 124 | static PyObject * |
| 125 | build_line_table_tuple_from_pcs (int line, VEC (CORE_ADDR) *vec) |
| 126 | { |
| 127 | int vec_len = 0; |
| 128 | PyObject *tuple; |
| 129 | CORE_ADDR pc; |
| 130 | int i; |
| 131 | |
| 132 | vec_len = VEC_length (CORE_ADDR, vec); |
| 133 | if (vec_len < 1) |
| 134 | Py_RETURN_NONE; |
| 135 | |
| 136 | tuple = PyTuple_New (vec_len); |
| 137 | |
| 138 | if (tuple == NULL) |
| 139 | return NULL; |
| 140 | |
| 141 | for (i = 0; VEC_iterate (CORE_ADDR, vec, i, pc); ++i) |
| 142 | { |
| 143 | PyObject *obj = build_linetable_entry (line, pc); |
| 144 | |
| 145 | if (obj == NULL) |
| 146 | { |
| 147 | Py_DECREF (tuple); |
| 148 | tuple = NULL; |
| 149 | break; |
| 150 | } |
| 151 | else if (PyTuple_SetItem (tuple, i, obj) != 0) |
| 152 | { |
| 153 | Py_DECREF (obj); |
| 154 | Py_DECREF (tuple); |
| 155 | tuple = NULL; |
| 156 | break; |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | return tuple; |
| 161 | } |
| 162 | |
| 163 | /* Implementation of gdb.LineTable.line (self) -> Tuple. Returns a |
| 164 | tuple of LineTableEntry objects associated with this line from the |
| 165 | in the line table. */ |
| 166 | |
| 167 | static PyObject * |
| 168 | ltpy_get_pcs_for_line (PyObject *self, PyObject *args) |
| 169 | { |
| 170 | struct symtab *symtab; |
| 171 | gdb_py_longest py_line; |
| 172 | struct linetable_entry *best_entry = NULL; |
| 173 | linetable_entry_object *result; |
| 174 | VEC (CORE_ADDR) *pcs = NULL; |
| 175 | PyObject *tuple; |
| 176 | volatile struct gdb_exception except; |
| 177 | |
| 178 | LTPY_REQUIRE_VALID (self, symtab); |
| 179 | |
| 180 | if (! PyArg_ParseTuple (args, GDB_PY_LL_ARG, &py_line)) |
| 181 | return NULL; |
| 182 | |
| 183 | TRY_CATCH (except, RETURN_MASK_ALL) |
| 184 | { |
| 185 | pcs = find_pcs_for_symtab_line (symtab, py_line, &best_entry); |
| 186 | } |
| 187 | GDB_PY_HANDLE_EXCEPTION (except); |
| 188 | |
| 189 | tuple = build_line_table_tuple_from_pcs (py_line, pcs); |
| 190 | VEC_free (CORE_ADDR, pcs); |
| 191 | |
| 192 | return tuple; |
| 193 | } |
| 194 | |
| 195 | /* Implementation of gdb.LineTable.has_line (self, line) -> Boolean. |
| 196 | Returns a Python Boolean indicating whether a source line has any |
| 197 | line table entries corresponding to it. */ |
| 198 | |
| 199 | static PyObject * |
| 200 | ltpy_has_line (PyObject *self, PyObject *args) |
| 201 | { |
| 202 | struct symtab *symtab; |
| 203 | gdb_py_longest py_line; |
| 204 | int index; |
| 205 | |
| 206 | LTPY_REQUIRE_VALID (self, symtab); |
| 207 | |
| 208 | if (! PyArg_ParseTuple (args, GDB_PY_LL_ARG, &py_line)) |
| 209 | return NULL; |
| 210 | |
| 211 | if (LINETABLE (symtab) == NULL) |
| 212 | { |
| 213 | PyErr_SetString (PyExc_RuntimeError, |
| 214 | _("Linetable information not found in symbol table")); |
| 215 | return NULL; |
| 216 | } |
| 217 | |
| 218 | for (index = 0; index < LINETABLE (symtab)->nitems; index++) |
| 219 | { |
| 220 | struct linetable_entry *item = &(symtab->linetable->item[index]); |
| 221 | if (item->line == py_line) |
| 222 | Py_RETURN_TRUE; |
| 223 | } |
| 224 | |
| 225 | Py_RETURN_FALSE; |
| 226 | } |
| 227 | |
| 228 | /* Implementation of gdb.LineTable.source_lines (self) -> FrozenSet. |
| 229 | Returns a Python FrozenSet that contains source line entries in the |
| 230 | line table. This function will just return the source lines |
| 231 | without corresponding addresses. */ |
| 232 | |
| 233 | static PyObject * |
| 234 | ltpy_get_all_source_lines (PyObject *self, PyObject *args) |
| 235 | { |
| 236 | struct symtab *symtab; |
| 237 | Py_ssize_t index; |
| 238 | PyObject *source_list, *source_dict, *line; |
| 239 | struct linetable_entry *item; |
| 240 | Py_ssize_t list_size; |
| 241 | |
| 242 | LTPY_REQUIRE_VALID (self, symtab); |
| 243 | |
| 244 | if (LINETABLE (symtab) == NULL) |
| 245 | { |
| 246 | PyErr_SetString (PyExc_RuntimeError, |
| 247 | _("Linetable information not found in symbol table")); |
| 248 | return NULL; |
| 249 | } |
| 250 | |
| 251 | source_dict = PyDict_New (); |
| 252 | if (source_dict == NULL) |
| 253 | return NULL; |
| 254 | |
| 255 | for (index = 0; index < LINETABLE (symtab)->nitems; index++) |
| 256 | { |
| 257 | item = &(LINETABLE (symtab)->item[index]); |
| 258 | |
| 259 | /* 0 is used to signify end of line table information. Do not |
| 260 | include in the source set. */ |
| 261 | if (item->line > 0) |
| 262 | { |
| 263 | line = gdb_py_object_from_longest (item->line); |
| 264 | |
| 265 | if (line == NULL) |
| 266 | { |
| 267 | Py_DECREF (source_dict); |
| 268 | return NULL; |
| 269 | } |
| 270 | |
| 271 | if (PyDict_SetItem (source_dict, line, Py_None) == -1) |
| 272 | { |
| 273 | Py_DECREF (line); |
| 274 | Py_DECREF (source_dict); |
| 275 | return NULL; |
| 276 | } |
| 277 | |
| 278 | Py_DECREF (line); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | |
| 283 | source_list = PyDict_Keys (source_dict); |
| 284 | Py_DECREF (source_dict); |
| 285 | |
| 286 | return source_list; |
| 287 | } |
| 288 | |
| 289 | /* Implementation of gdb.Linetable.is_valid (self) -> Boolean. |
| 290 | Returns True if this line table object still exists in GDB. */ |
| 291 | |
| 292 | static PyObject * |
| 293 | ltpy_is_valid (PyObject *self, PyObject *args) |
| 294 | { |
| 295 | struct symtab *symtab = NULL; |
| 296 | linetable_object *obj = (linetable_object *) self; |
| 297 | |
| 298 | symtab = symtab_object_to_symtab (get_symtab (self)); |
| 299 | |
| 300 | if (symtab == NULL) |
| 301 | Py_RETURN_FALSE; |
| 302 | |
| 303 | Py_RETURN_TRUE; |
| 304 | } |
| 305 | |
| 306 | /* Deconstructor for the line table object. Decrement the reference |
| 307 | to the symbol table object before calling the default free. */ |
| 308 | |
| 309 | static void |
| 310 | ltpy_dealloc (PyObject *self) |
| 311 | { |
| 312 | linetable_object *obj = (linetable_object *) self; |
| 313 | |
| 314 | Py_DECREF (obj->symtab); |
| 315 | Py_TYPE (self)->tp_free (self); |
| 316 | } |
| 317 | |
| 318 | /* Initialize LineTable, LineTableEntry and LineTableIterator |
| 319 | objects. */ |
| 320 | |
| 321 | int |
| 322 | gdbpy_initialize_linetable (void) |
| 323 | { |
| 324 | if (PyType_Ready (&linetable_object_type) < 0) |
| 325 | return -1; |
| 326 | if (PyType_Ready (&linetable_entry_object_type) < 0) |
| 327 | return -1; |
| 328 | if (PyType_Ready (<py_iterator_object_type) < 0) |
| 329 | return -1; |
| 330 | |
| 331 | Py_INCREF (&linetable_object_type); |
| 332 | Py_INCREF (&linetable_entry_object_type); |
| 333 | Py_INCREF (<py_iterator_object_type); |
| 334 | |
| 335 | if (gdb_pymodule_addobject (gdb_module, "LineTable", |
| 336 | (PyObject *) &linetable_object_type) < 0) |
| 337 | return -1; |
| 338 | |
| 339 | if (gdb_pymodule_addobject (gdb_module, "LineTableEntry", |
| 340 | (PyObject *) &linetable_entry_object_type) < 0) |
| 341 | return -1; |
| 342 | |
| 343 | if (gdb_pymodule_addobject (gdb_module, "LineTableIterator", |
| 344 | (PyObject *) <py_iterator_object_type) < 0) |
| 345 | return -1; |
| 346 | |
| 347 | return 0; |
| 348 | } |
| 349 | |
| 350 | /* Linetable entry object get functions. */ |
| 351 | |
| 352 | /* Implementation of gdb.LineTableEntry.line (self) -> Long. Returns |
| 353 | a long integer associated with the line table entry. */ |
| 354 | |
| 355 | static PyObject * |
| 356 | ltpy_entry_get_line (PyObject *self, void *closure) |
| 357 | { |
| 358 | linetable_entry_object *obj = (linetable_entry_object *) self; |
| 359 | |
| 360 | return gdb_py_object_from_longest (obj->line); |
| 361 | } |
| 362 | |
| 363 | /* Implementation of gdb.LineTableEntry.pc (self) -> Long. Returns a |
| 364 | a long integer associated with the PC of the line table entry. */ |
| 365 | |
| 366 | static PyObject * |
| 367 | ltpy_entry_get_pc (PyObject *self, void *closure) |
| 368 | { |
| 369 | linetable_entry_object *obj = (linetable_entry_object *) self; |
| 370 | |
| 371 | return gdb_py_object_from_longest (obj->pc); |
| 372 | } |
| 373 | |
| 374 | /* Linetable iterator functions. */ |
| 375 | |
| 376 | /* Return a new line table iterator. */ |
| 377 | |
| 378 | static PyObject * |
| 379 | ltpy_iter (PyObject *self) |
| 380 | { |
| 381 | ltpy_iterator_object *ltpy_iter_obj; |
| 382 | struct symtab *symtab = NULL; |
| 383 | |
| 384 | LTPY_REQUIRE_VALID (self, symtab); |
| 385 | |
| 386 | ltpy_iter_obj = PyObject_New (ltpy_iterator_object, |
| 387 | <py_iterator_object_type); |
| 388 | if (ltpy_iter_obj == NULL) |
| 389 | return NULL; |
| 390 | |
| 391 | ltpy_iter_obj->current_index = 0; |
| 392 | ltpy_iter_obj->source = self; |
| 393 | |
| 394 | Py_INCREF (self); |
| 395 | return (PyObject *) ltpy_iter_obj; |
| 396 | } |
| 397 | |
| 398 | static void |
| 399 | ltpy_iterator_dealloc (PyObject *obj) |
| 400 | { |
| 401 | ltpy_iterator_object *iter_obj = (ltpy_iterator_object *) obj; |
| 402 | |
| 403 | Py_DECREF (iter_obj->source); |
| 404 | } |
| 405 | |
| 406 | /* Return a reference to the line table iterator. */ |
| 407 | |
| 408 | static PyObject * |
| 409 | ltpy_iterator (PyObject *self) |
| 410 | { |
| 411 | ltpy_iterator_object *iter_obj = (ltpy_iterator_object *) self; |
| 412 | struct symtab *symtab; |
| 413 | |
| 414 | LTPY_REQUIRE_VALID (iter_obj->source, symtab); |
| 415 | |
| 416 | Py_INCREF (self); |
| 417 | return self; |
| 418 | } |
| 419 | |
| 420 | /* Return the next line table entry in the iteration through the line |
| 421 | table data structure. */ |
| 422 | |
| 423 | static PyObject * |
| 424 | ltpy_iternext (PyObject *self) |
| 425 | { |
| 426 | ltpy_iterator_object *iter_obj = (ltpy_iterator_object *) self; |
| 427 | struct symtab *symtab; |
| 428 | int index; |
| 429 | PyObject *obj; |
| 430 | struct linetable_entry *item; |
| 431 | |
| 432 | LTPY_REQUIRE_VALID (iter_obj->source, symtab); |
| 433 | |
| 434 | if (iter_obj->current_index >= LINETABLE (symtab)->nitems) |
| 435 | goto stop_iteration; |
| 436 | |
| 437 | item = &(LINETABLE (symtab)->item[iter_obj->current_index]); |
| 438 | |
| 439 | /* Skip over internal entries such as 0. 0 signifies the end of |
| 440 | line table data and is not useful to the API user. */ |
| 441 | while (item->line < 1) |
| 442 | { |
| 443 | iter_obj->current_index++; |
| 444 | |
| 445 | /* Exit if the internal value is the last item in the line table. */ |
| 446 | if (iter_obj->current_index >= symtab->linetable->nitems) |
| 447 | goto stop_iteration; |
| 448 | item = &(symtab->linetable->item[iter_obj->current_index]); |
| 449 | } |
| 450 | |
| 451 | obj = build_linetable_entry (item->line, item->pc); |
| 452 | iter_obj->current_index++; |
| 453 | |
| 454 | return obj; |
| 455 | |
| 456 | stop_iteration: |
| 457 | PyErr_SetNone (PyExc_StopIteration); |
| 458 | return NULL; |
| 459 | } |
| 460 | |
| 461 | /* Implementation of gdb.LinetableIterator.is_valid (self) -> Boolean. |
| 462 | Returns True if this line table iterator object still exists in |
| 463 | GDB. */ |
| 464 | |
| 465 | static PyObject * |
| 466 | ltpy_iter_is_valid (PyObject *self, PyObject *args) |
| 467 | { |
| 468 | struct symtab *symtab = NULL; |
| 469 | ltpy_iterator_object *iter_obj = (ltpy_iterator_object *) self; |
| 470 | |
| 471 | symtab = symtab_object_to_symtab (get_symtab (iter_obj->source)); |
| 472 | |
| 473 | if (symtab == NULL) |
| 474 | Py_RETURN_FALSE; |
| 475 | |
| 476 | Py_RETURN_TRUE; |
| 477 | } |
| 478 | |
| 479 | \f |
| 480 | |
| 481 | static PyMethodDef linetable_object_methods[] = { |
| 482 | { "line", ltpy_get_pcs_for_line, METH_VARARGS, |
| 483 | "line (lineno) -> Tuple\n\ |
| 484 | Return executable locations for a given source line." }, |
| 485 | { "has_line", ltpy_has_line, METH_VARARGS, |
| 486 | "has_line (lineno) -> Boolean\n\ |
| 487 | Return TRUE if this line has executable information, FALSE if not." }, |
| 488 | { "source_lines", ltpy_get_all_source_lines, METH_NOARGS, |
| 489 | "source_lines () -> FrozenSet\n\ |
| 490 | Return a frozen set of all executable source lines." }, |
| 491 | { "is_valid", ltpy_is_valid, METH_NOARGS, |
| 492 | "is_valid () -> Boolean.\n\ |
| 493 | Return True if this Linetable is valid, False if not." }, |
| 494 | {NULL} /* Sentinel */ |
| 495 | }; |
| 496 | |
| 497 | static PyTypeObject linetable_object_type = { |
| 498 | PyVarObject_HEAD_INIT (NULL, 0) |
| 499 | "gdb.LineTable", /*tp_name*/ |
| 500 | sizeof (linetable_object), /*tp_basicsize*/ |
| 501 | 0, /*tp_itemsize*/ |
| 502 | ltpy_dealloc, /*tp_dealloc*/ |
| 503 | 0, /*tp_print*/ |
| 504 | 0, /*tp_getattr*/ |
| 505 | 0, /*tp_setattr*/ |
| 506 | 0, /*tp_compare*/ |
| 507 | 0, /*tp_repr*/ |
| 508 | 0, /*tp_as_number*/ |
| 509 | 0, /*tp_as_sequence*/ |
| 510 | 0, /*tp_as_mapping*/ |
| 511 | 0, /*tp_hash */ |
| 512 | 0, /*tp_call*/ |
| 513 | 0, /*tp_str*/ |
| 514 | 0, /*tp_getattro*/ |
| 515 | 0, /*tp_setattro*/ |
| 516 | 0, /*tp_as_buffer*/ |
| 517 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 518 | "GDB line table object", /* tp_doc */ |
| 519 | 0, /* tp_traverse */ |
| 520 | 0, /* tp_clear */ |
| 521 | 0, /* tp_richcompare */ |
| 522 | 0, /* tp_weaklistoffset */ |
| 523 | ltpy_iter, /* tp_iter */ |
| 524 | 0, /* tp_iternext */ |
| 525 | linetable_object_methods, /* tp_methods */ |
| 526 | 0, /* tp_members */ |
| 527 | 0, /* tp_getset */ |
| 528 | 0, /* tp_base */ |
| 529 | 0, /* tp_dict */ |
| 530 | 0, /* tp_descr_get */ |
| 531 | 0, /* tp_descr_set */ |
| 532 | 0, /* tp_dictoffset */ |
| 533 | 0, /* tp_init */ |
| 534 | 0, /* tp_alloc */ |
| 535 | }; |
| 536 | |
| 537 | static PyMethodDef ltpy_iterator_methods[] = { |
| 538 | { "is_valid", ltpy_iter_is_valid, METH_NOARGS, |
| 539 | "is_valid () -> Boolean.\n\ |
| 540 | Return True if this Linetable iterator is valid, False if not." }, |
| 541 | {NULL} /* Sentinel */ |
| 542 | }; |
| 543 | |
| 544 | static PyTypeObject ltpy_iterator_object_type = { |
| 545 | PyVarObject_HEAD_INIT (NULL, 0) |
| 546 | "gdb.LineTableIterator", /*tp_name*/ |
| 547 | sizeof (ltpy_iterator_object), /*tp_basicsize*/ |
| 548 | 0, /*tp_itemsize*/ |
| 549 | ltpy_iterator_dealloc, /*tp_dealloc*/ |
| 550 | 0, /*tp_print*/ |
| 551 | 0, /*tp_getattr*/ |
| 552 | 0, /*tp_setattr*/ |
| 553 | 0, /*tp_compare*/ |
| 554 | 0, /*tp_repr*/ |
| 555 | 0, /*tp_as_number*/ |
| 556 | 0, /*tp_as_sequence*/ |
| 557 | 0, /*tp_as_mapping*/ |
| 558 | 0, /*tp_hash */ |
| 559 | 0, /*tp_call*/ |
| 560 | 0, /*tp_str*/ |
| 561 | 0, /*tp_getattro*/ |
| 562 | 0, /*tp_setattro*/ |
| 563 | 0, /*tp_as_buffer*/ |
| 564 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ |
| 565 | "GDB line table iterator object", /*tp_doc */ |
| 566 | 0, /*tp_traverse */ |
| 567 | 0, /*tp_clear */ |
| 568 | 0, /*tp_richcompare */ |
| 569 | 0, /*tp_weaklistoffset */ |
| 570 | ltpy_iterator, /*tp_iter */ |
| 571 | ltpy_iternext, /*tp_iternext */ |
| 572 | ltpy_iterator_methods /*tp_methods */ |
| 573 | }; |
| 574 | |
| 575 | |
| 576 | static PyGetSetDef linetable_entry_object_getset[] = { |
| 577 | { "line", ltpy_entry_get_line, NULL, |
| 578 | "The line number in the source file.", NULL }, |
| 579 | { "pc", ltpy_entry_get_pc, NULL, |
| 580 | "The memory address for this line number.", NULL }, |
| 581 | { NULL } /* Sentinel */ |
| 582 | }; |
| 583 | |
| 584 | static PyTypeObject linetable_entry_object_type = { |
| 585 | PyVarObject_HEAD_INIT (NULL, 0) |
| 586 | "gdb.LineTableEntry", /*tp_name*/ |
| 587 | sizeof (linetable_entry_object), /*tp_basicsize*/ |
| 588 | 0, /*tp_itemsize*/ |
| 589 | 0, /*tp_dealloc*/ |
| 590 | 0, /*tp_print*/ |
| 591 | 0, /*tp_getattr*/ |
| 592 | 0, /*tp_setattr*/ |
| 593 | 0, /*tp_compare*/ |
| 594 | 0, /*tp_repr*/ |
| 595 | 0, /*tp_as_number*/ |
| 596 | 0, /*tp_as_sequence*/ |
| 597 | 0, /*tp_as_mapping*/ |
| 598 | 0, /*tp_hash */ |
| 599 | 0, /*tp_call*/ |
| 600 | 0, /*tp_str*/ |
| 601 | 0, /*tp_getattro*/ |
| 602 | 0, /*tp_setattro*/ |
| 603 | 0, /*tp_as_buffer*/ |
| 604 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 605 | "GDB line table entry object", /* tp_doc */ |
| 606 | 0, /* tp_traverse */ |
| 607 | 0, /* tp_clear */ |
| 608 | 0, /* tp_richcompare */ |
| 609 | 0, /* tp_weaklistoffset */ |
| 610 | 0, /* tp_iter */ |
| 611 | 0, /* tp_iternext */ |
| 612 | 0, /* tp_methods */ |
| 613 | 0, /* tp_members */ |
| 614 | linetable_entry_object_getset, /* tp_getset */ |
| 615 | 0, /* tp_base */ |
| 616 | 0, /* tp_dict */ |
| 617 | 0, /* tp_descr_get */ |
| 618 | 0, /* tp_descr_set */ |
| 619 | 0, /* tp_dictoffset */ |
| 620 | 0, /* tp_init */ |
| 621 | 0, /* tp_alloc */ |
| 622 | }; |