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f3e9a817 PM |
1 | /* Python interface to symbol tables. |
2 | ||
28e7fd62 | 3 | Copyright (C) 2008-2013 Free Software Foundation, Inc. |
f3e9a817 PM |
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" | |
a20ee7a4 | 26 | #include "block.h" |
f3e9a817 PM |
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 | ||
62eec1a5 TT |
40 | static PyTypeObject symtab_object_type |
41 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("symtab_object"); | |
f3e9a817 PM |
42 | static const struct objfile_data *stpy_objfile_data_key; |
43 | ||
44 | /* Require a valid symbol table. All access to symtab_object->symtab | |
45 | should be gated by this call. */ | |
46 | #define STPY_REQUIRE_VALID(symtab_obj, symtab) \ | |
47 | do { \ | |
48 | symtab = symtab_object_to_symtab (symtab_obj); \ | |
49 | if (symtab == NULL) \ | |
50 | { \ | |
51 | PyErr_SetString (PyExc_RuntimeError, \ | |
52 | _("Symbol Table is invalid.")); \ | |
53 | return NULL; \ | |
54 | } \ | |
55 | } while (0) | |
56 | ||
57 | typedef struct salpy_sal_object { | |
58 | PyObject_HEAD | |
59 | /* The GDB Symbol table structure. */ | |
60 | symtab_object *symtab; | |
61 | /* The GDB Symbol table and line structure. */ | |
62 | struct symtab_and_line *sal; | |
63 | /* A Symtab and line object is associated with an objfile, so keep | |
64 | track with a doubly-linked list, rooted in the objfile. This | |
65 | allows invalidation of the underlying struct symtab_and_line | |
66 | when the objfile is deleted. */ | |
67 | struct salpy_sal_object *prev; | |
68 | struct salpy_sal_object *next; | |
69 | } sal_object; | |
70 | ||
62eec1a5 TT |
71 | static PyTypeObject sal_object_type |
72 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("sal_object"); | |
f3e9a817 PM |
73 | static const struct objfile_data *salpy_objfile_data_key; |
74 | ||
75 | /* Require a valid symbol table and line object. All access to | |
76 | sal_object->sal should be gated by this call. */ | |
77 | #define SALPY_REQUIRE_VALID(sal_obj, sal) \ | |
78 | do { \ | |
79 | sal = sal_object_to_symtab_and_line (sal_obj); \ | |
80 | if (sal == NULL) \ | |
81 | { \ | |
82 | PyErr_SetString (PyExc_RuntimeError, \ | |
83 | _("Symbol Table and Line is invalid.")); \ | |
84 | return NULL; \ | |
85 | } \ | |
86 | } while (0) | |
87 | ||
88 | static PyObject * | |
89 | stpy_str (PyObject *self) | |
90 | { | |
91 | PyObject *result; | |
92 | struct symtab *symtab = NULL; | |
93 | ||
94 | STPY_REQUIRE_VALID (self, symtab); | |
95 | ||
05cba821 | 96 | result = PyString_FromString (symtab_to_filename_for_display (symtab)); |
f3e9a817 PM |
97 | |
98 | return result; | |
99 | } | |
100 | ||
101 | static PyObject * | |
102 | stpy_get_filename (PyObject *self, void *closure) | |
103 | { | |
104 | PyObject *str_obj; | |
105 | struct symtab *symtab = NULL; | |
05cba821 | 106 | const char *filename; |
f3e9a817 PM |
107 | |
108 | STPY_REQUIRE_VALID (self, symtab); | |
05cba821 | 109 | filename = symtab_to_filename_for_display (symtab); |
f3e9a817 | 110 | |
05cba821 | 111 | str_obj = PyString_Decode (filename, strlen (filename), |
f3e9a817 PM |
112 | host_charset (), NULL); |
113 | return str_obj; | |
114 | } | |
115 | ||
116 | static PyObject * | |
117 | stpy_get_objfile (PyObject *self, void *closure) | |
118 | { | |
119 | struct symtab *symtab = NULL; | |
120 | PyObject *result; | |
121 | ||
122 | STPY_REQUIRE_VALID (self, symtab); | |
123 | ||
124 | result = objfile_to_objfile_object (symtab->objfile); | |
125 | Py_XINCREF (result); | |
126 | return result; | |
127 | } | |
128 | ||
129 | static PyObject * | |
130 | stpy_fullname (PyObject *self, PyObject *args) | |
131 | { | |
0b0865da | 132 | const char *fullname; |
f3e9a817 PM |
133 | struct symtab *symtab = NULL; |
134 | ||
135 | STPY_REQUIRE_VALID (self, symtab); | |
136 | ||
137 | fullname = symtab_to_fullname (symtab); | |
f3e9a817 | 138 | |
f35a17b5 | 139 | return PyString_Decode (fullname, strlen (fullname), host_charset (), NULL); |
f3e9a817 PM |
140 | } |
141 | ||
29703da4 PM |
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 | ||
a20ee7a4 SCR |
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 | ||
f3e9a817 PM |
189 | static PyObject * |
190 | salpy_str (PyObject *self) | |
191 | { | |
05cba821 JK |
192 | char *s; |
193 | const char *filename; | |
f3e9a817 PM |
194 | sal_object *sal_obj; |
195 | PyObject *result; | |
196 | struct symtab_and_line *sal = NULL; | |
197 | ||
198 | SALPY_REQUIRE_VALID (self, sal); | |
199 | ||
200 | sal_obj = (sal_object *) self; | |
201 | filename = (sal_obj->symtab == (symtab_object *) Py_None) | |
05cba821 | 202 | ? "<unknown>" : symtab_to_filename_for_display (sal_obj->symtab->symtab); |
f3e9a817 PM |
203 | |
204 | s = xstrprintf ("symbol and line for %s, line %d", filename, | |
205 | sal->line); | |
206 | ||
207 | result = PyString_FromString (s); | |
208 | xfree (s); | |
209 | ||
210 | return result; | |
211 | } | |
212 | ||
213 | static void | |
214 | stpy_dealloc (PyObject *obj) | |
215 | { | |
216 | symtab_object *symtab = (symtab_object *) obj; | |
217 | ||
218 | if (symtab->prev) | |
219 | symtab->prev->next = symtab->next; | |
220 | else if (symtab->symtab) | |
221 | { | |
222 | set_objfile_data (symtab->symtab->objfile, | |
223 | stpy_objfile_data_key, symtab->next); | |
224 | } | |
225 | if (symtab->next) | |
226 | symtab->next->prev = symtab->prev; | |
227 | symtab->symtab = NULL; | |
228 | } | |
229 | ||
230 | ||
231 | static PyObject * | |
232 | salpy_get_pc (PyObject *self, void *closure) | |
233 | { | |
234 | struct symtab_and_line *sal = NULL; | |
235 | ||
236 | SALPY_REQUIRE_VALID (self, sal); | |
237 | ||
74aedc46 | 238 | return gdb_py_long_from_ulongest (sal->pc); |
f3e9a817 PM |
239 | } |
240 | ||
ee0bf529 SCR |
241 | /* Implementation of the get method for the 'last' attribute of |
242 | gdb.Symtab_and_line. */ | |
243 | ||
244 | static PyObject * | |
245 | salpy_get_last (PyObject *self, void *closure) | |
246 | { | |
247 | struct symtab_and_line *sal = NULL; | |
248 | ||
249 | SALPY_REQUIRE_VALID (self, sal); | |
250 | ||
251 | if (sal->end > 0) | |
252 | return gdb_py_long_from_ulongest (sal->end - 1); | |
253 | else | |
254 | Py_RETURN_NONE; | |
255 | } | |
256 | ||
f3e9a817 PM |
257 | static PyObject * |
258 | salpy_get_line (PyObject *self, void *closure) | |
259 | { | |
260 | struct symtab_and_line *sal = NULL; | |
261 | ||
262 | SALPY_REQUIRE_VALID (self, sal); | |
263 | ||
74aedc46 | 264 | return PyInt_FromLong (sal->line); |
f3e9a817 PM |
265 | } |
266 | ||
267 | static PyObject * | |
268 | salpy_get_symtab (PyObject *self, void *closure) | |
269 | { | |
270 | struct symtab_and_line *sal; | |
271 | sal_object *self_sal = (sal_object *) self; | |
272 | ||
273 | SALPY_REQUIRE_VALID (self, sal); | |
274 | ||
275 | Py_INCREF (self_sal->symtab); | |
276 | ||
277 | return (PyObject *) self_sal->symtab; | |
278 | } | |
279 | ||
29703da4 PM |
280 | /* Implementation of gdb.Symtab_and_line.is_valid (self) -> Boolean. |
281 | Returns True if this Symbol table and line object still exists GDB. */ | |
282 | ||
283 | static PyObject * | |
284 | salpy_is_valid (PyObject *self, PyObject *args) | |
285 | { | |
286 | struct symtab_and_line *sal; | |
287 | ||
288 | sal = sal_object_to_symtab_and_line (self); | |
289 | if (sal == NULL) | |
290 | Py_RETURN_FALSE; | |
291 | ||
292 | Py_RETURN_TRUE; | |
293 | } | |
294 | ||
f3e9a817 PM |
295 | static void |
296 | salpy_dealloc (PyObject *self) | |
297 | { | |
298 | sal_object *self_sal = (sal_object *) self; | |
299 | ||
300 | if (self_sal->prev) | |
301 | self_sal->prev->next = self_sal->next; | |
302 | else if (self_sal->symtab != (symtab_object * ) Py_None) | |
303 | set_objfile_data (self_sal->symtab->symtab->objfile, | |
304 | salpy_objfile_data_key, self_sal->next); | |
305 | ||
306 | if (self_sal->next) | |
307 | self_sal->next->prev = self_sal->prev; | |
308 | ||
309 | Py_DECREF (self_sal->symtab); | |
310 | xfree (self_sal->sal); | |
9a27f2c6 | 311 | Py_TYPE (self)->tp_free (self); |
f3e9a817 PM |
312 | } |
313 | ||
b021a221 MS |
314 | /* Given a sal, and a sal_object that has previously been allocated |
315 | and initialized, populate the sal_object with the struct sal data. | |
316 | Also, register the sal_object life-cycle with the life-cycle of the | |
317 | object file associated with this sal, if needed. If a failure | |
318 | occurs during the sal population, this function will return | |
319 | NULL. */ | |
f3e9a817 PM |
320 | static int |
321 | set_sal (sal_object *sal_obj, struct symtab_and_line sal) | |
322 | { | |
323 | symtab_object *symtab_obj; | |
324 | ||
325 | if (sal.symtab) | |
326 | { | |
327 | symtab_obj = (symtab_object *) symtab_to_symtab_object (sal.symtab); | |
328 | /* If a symtab existed in the sal, but it cannot be duplicated, | |
329 | we exit. */ | |
330 | if (symtab_obj == NULL) | |
331 | return 0; | |
332 | } | |
333 | else | |
334 | { | |
335 | symtab_obj = (symtab_object *) Py_None; | |
336 | Py_INCREF (Py_None); | |
337 | } | |
338 | ||
339 | sal_obj->sal = xmemdup (&sal, sizeof (struct symtab_and_line), | |
340 | sizeof (struct symtab_and_line)); | |
341 | sal_obj->symtab = symtab_obj; | |
342 | sal_obj->prev = NULL; | |
343 | ||
344 | /* If the SAL does not have a symtab, we do not add it to the | |
345 | objfile cleanup observer linked list. */ | |
346 | if (sal_obj->symtab != (symtab_object *)Py_None) | |
347 | { | |
348 | sal_obj->next = objfile_data (sal_obj->symtab->symtab->objfile, | |
349 | salpy_objfile_data_key); | |
350 | if (sal_obj->next) | |
351 | sal_obj->next->prev = sal_obj; | |
352 | ||
353 | set_objfile_data (sal_obj->symtab->symtab->objfile, | |
354 | salpy_objfile_data_key, sal_obj); | |
355 | } | |
356 | else | |
357 | sal_obj->next = NULL; | |
358 | ||
359 | return 1; | |
360 | } | |
361 | ||
362 | /* Given a symtab, and a symtab_object that has previously been | |
363 | allocated and initialized, populate the symtab_object with the | |
364 | struct symtab data. Also, register the symtab_object life-cycle | |
b021a221 | 365 | with the life-cycle of the object file associated with this |
f3e9a817 PM |
366 | symtab, if needed. */ |
367 | static void | |
368 | set_symtab (symtab_object *obj, struct symtab *symtab) | |
369 | { | |
370 | obj->symtab = symtab; | |
371 | obj->prev = NULL; | |
372 | if (symtab) | |
373 | { | |
374 | obj->next = objfile_data (symtab->objfile, stpy_objfile_data_key); | |
375 | if (obj->next) | |
376 | obj->next->prev = obj; | |
377 | set_objfile_data (symtab->objfile, stpy_objfile_data_key, obj); | |
378 | } | |
379 | else | |
380 | obj->next = NULL; | |
381 | } | |
382 | ||
383 | /* Create a new symbol table (gdb.Symtab) object that encapsulates the | |
384 | symtab structure from GDB. */ | |
385 | PyObject * | |
386 | symtab_to_symtab_object (struct symtab *symtab) | |
387 | { | |
388 | symtab_object *symtab_obj; | |
389 | ||
390 | symtab_obj = PyObject_New (symtab_object, &symtab_object_type); | |
391 | if (symtab_obj) | |
392 | set_symtab (symtab_obj, symtab); | |
393 | ||
394 | return (PyObject *) symtab_obj; | |
395 | } | |
396 | ||
397 | /* Create a new symtab and line (gdb.Symtab_and_line) object | |
398 | that encapsulates the symtab_and_line structure from GDB. */ | |
399 | PyObject * | |
400 | symtab_and_line_to_sal_object (struct symtab_and_line sal) | |
401 | ||
402 | { | |
403 | sal_object *sal_obj; | |
f3e9a817 | 404 | int success = 0; |
f3e9a817 | 405 | |
d59b6f6c | 406 | sal_obj = PyObject_New (sal_object, &sal_object_type); |
f3e9a817 PM |
407 | if (sal_obj) |
408 | { | |
409 | success = set_sal (sal_obj, sal); | |
410 | if (!success) | |
411 | { | |
412 | Py_DECREF (sal_obj); | |
413 | return NULL; | |
414 | } | |
415 | } | |
416 | ||
417 | return (PyObject *) sal_obj; | |
418 | } | |
419 | ||
420 | /* Return struct symtab_and_line reference that is wrapped by this | |
421 | object. */ | |
422 | struct symtab_and_line * | |
423 | sal_object_to_symtab_and_line (PyObject *obj) | |
424 | { | |
425 | if (! PyObject_TypeCheck (obj, &sal_object_type)) | |
426 | return NULL; | |
427 | return ((sal_object *) obj)->sal; | |
428 | } | |
429 | ||
430 | /* Return struct symtab reference that is wrapped by this object. */ | |
431 | struct symtab * | |
432 | symtab_object_to_symtab (PyObject *obj) | |
433 | { | |
434 | if (! PyObject_TypeCheck (obj, &symtab_object_type)) | |
435 | return NULL; | |
436 | return ((symtab_object *) obj)->symtab; | |
437 | } | |
438 | ||
439 | /* This function is called when an objfile is about to be freed. | |
440 | Invalidate the symbol table as further actions on the symbol table | |
441 | would result in bad data. All access to obj->symtab should be | |
442 | gated by STPY_REQUIRE_VALID which will raise an exception on | |
443 | invalid symbol tables. */ | |
444 | static void | |
445 | del_objfile_symtab (struct objfile *objfile, void *datum) | |
446 | { | |
447 | symtab_object *obj = datum; | |
d59b6f6c | 448 | |
f3e9a817 PM |
449 | while (obj) |
450 | { | |
451 | symtab_object *next = obj->next; | |
452 | ||
453 | obj->symtab = NULL; | |
454 | obj->next = NULL; | |
455 | obj->prev = NULL; | |
456 | obj = next; | |
457 | } | |
458 | } | |
459 | ||
460 | /* This function is called when an objfile is about to be freed. | |
461 | Invalidate the sal object as further actions on the sal | |
462 | would result in bad data. All access to obj->sal should be | |
463 | gated by SALPY_REQUIRE_VALID which will raise an exception on | |
464 | invalid symbol table and line objects. */ | |
465 | static void | |
466 | del_objfile_sal (struct objfile *objfile, void *datum) | |
467 | { | |
468 | sal_object *obj = datum; | |
d59b6f6c | 469 | |
f3e9a817 PM |
470 | while (obj) |
471 | { | |
472 | sal_object *next = obj->next; | |
473 | ||
801e4185 TT |
474 | Py_DECREF (obj->symtab); |
475 | obj->symtab = (symtab_object *) Py_None; | |
476 | Py_INCREF (Py_None); | |
477 | ||
f3e9a817 PM |
478 | obj->next = NULL; |
479 | obj->prev = NULL; | |
480 | xfree (obj->sal); | |
481 | obj->sal = NULL; | |
482 | ||
483 | obj = next; | |
484 | } | |
485 | } | |
486 | ||
999633ed | 487 | int |
f3e9a817 PM |
488 | gdbpy_initialize_symtabs (void) |
489 | { | |
490 | symtab_object_type.tp_new = PyType_GenericNew; | |
491 | if (PyType_Ready (&symtab_object_type) < 0) | |
999633ed | 492 | return -1; |
f3e9a817 PM |
493 | |
494 | sal_object_type.tp_new = PyType_GenericNew; | |
495 | if (PyType_Ready (&sal_object_type) < 0) | |
999633ed | 496 | return -1; |
f3e9a817 PM |
497 | |
498 | /* Register an objfile "free" callback so we can properly | |
499 | invalidate symbol tables, and symbol table and line data | |
500 | structures when an object file that is about to be | |
501 | deleted. */ | |
502 | stpy_objfile_data_key | |
503 | = register_objfile_data_with_cleanup (NULL, del_objfile_symtab); | |
504 | salpy_objfile_data_key | |
505 | = register_objfile_data_with_cleanup (NULL, del_objfile_sal); | |
506 | ||
507 | Py_INCREF (&symtab_object_type); | |
999633ed TT |
508 | if (PyModule_AddObject (gdb_module, "Symtab", |
509 | (PyObject *) &symtab_object_type) < 0) | |
510 | return -1; | |
f3e9a817 PM |
511 | |
512 | Py_INCREF (&sal_object_type); | |
999633ed TT |
513 | return PyModule_AddObject (gdb_module, "Symtab_and_line", |
514 | (PyObject *) &sal_object_type); | |
f3e9a817 PM |
515 | } |
516 | ||
517 | \f | |
518 | ||
519 | static PyGetSetDef symtab_object_getset[] = { | |
520 | { "filename", stpy_get_filename, NULL, | |
521 | "The symbol table's source filename.", NULL }, | |
522 | { "objfile", stpy_get_objfile, NULL, "The symtab's objfile.", | |
523 | NULL }, | |
524 | {NULL} /* Sentinel */ | |
525 | }; | |
526 | ||
527 | static PyMethodDef symtab_object_methods[] = { | |
29703da4 PM |
528 | { "is_valid", stpy_is_valid, METH_NOARGS, |
529 | "is_valid () -> Boolean.\n\ | |
530 | Return true if this symbol table is valid, false if not." }, | |
f3e9a817 PM |
531 | { "fullname", stpy_fullname, METH_NOARGS, |
532 | "fullname () -> String.\n\ | |
533 | Return the symtab's full source filename." }, | |
a20ee7a4 SCR |
534 | { "global_block", stpy_global_block, METH_NOARGS, |
535 | "global_block () -> gdb.Block.\n\ | |
536 | Return the global block of the symbol table." }, | |
537 | { "static_block", stpy_static_block, METH_NOARGS, | |
538 | "static_block () -> gdb.Block.\n\ | |
539 | Return the static block of the symbol table." }, | |
f3e9a817 PM |
540 | {NULL} /* Sentinel */ |
541 | }; | |
542 | ||
543 | static PyTypeObject symtab_object_type = { | |
9a27f2c6 | 544 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
545 | "gdb.Symtab", /*tp_name*/ |
546 | sizeof (symtab_object), /*tp_basicsize*/ | |
547 | 0, /*tp_itemsize*/ | |
548 | stpy_dealloc, /*tp_dealloc*/ | |
549 | 0, /*tp_print*/ | |
550 | 0, /*tp_getattr*/ | |
551 | 0, /*tp_setattr*/ | |
552 | 0, /*tp_compare*/ | |
553 | 0, /*tp_repr*/ | |
554 | 0, /*tp_as_number*/ | |
555 | 0, /*tp_as_sequence*/ | |
556 | 0, /*tp_as_mapping*/ | |
557 | 0, /*tp_hash */ | |
558 | 0, /*tp_call*/ | |
559 | stpy_str, /*tp_str*/ | |
560 | 0, /*tp_getattro*/ | |
561 | 0, /*tp_setattro*/ | |
562 | 0, /*tp_as_buffer*/ | |
563 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
564 | "GDB symtab object", /*tp_doc */ | |
565 | 0, /*tp_traverse */ | |
566 | 0, /*tp_clear */ | |
567 | 0, /*tp_richcompare */ | |
568 | 0, /*tp_weaklistoffset */ | |
569 | 0, /*tp_iter */ | |
570 | 0, /*tp_iternext */ | |
571 | symtab_object_methods, /*tp_methods */ | |
572 | 0, /*tp_members */ | |
573 | symtab_object_getset /*tp_getset */ | |
574 | }; | |
575 | ||
576 | static PyGetSetDef sal_object_getset[] = { | |
577 | { "symtab", salpy_get_symtab, NULL, "Symtab object.", NULL }, | |
578 | { "pc", salpy_get_pc, NULL, "Return the symtab_and_line's pc.", NULL }, | |
ee0bf529 SCR |
579 | { "last", salpy_get_last, NULL, |
580 | "Return the symtab_and_line's last address.", NULL }, | |
f3e9a817 PM |
581 | { "line", salpy_get_line, NULL, |
582 | "Return the symtab_and_line's line.", NULL }, | |
583 | {NULL} /* Sentinel */ | |
584 | }; | |
585 | ||
29703da4 PM |
586 | static PyMethodDef sal_object_methods[] = { |
587 | { "is_valid", salpy_is_valid, METH_NOARGS, | |
588 | "is_valid () -> Boolean.\n\ | |
589 | Return true if this symbol table and line is valid, false if not." }, | |
590 | {NULL} /* Sentinel */ | |
591 | }; | |
592 | ||
f3e9a817 | 593 | static PyTypeObject sal_object_type = { |
9a27f2c6 | 594 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
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 */ | |
29703da4 | 621 | sal_object_methods, /*tp_methods */ |
f3e9a817 PM |
622 | 0, /*tp_members */ |
623 | sal_object_getset /*tp_getset */ | |
624 | }; |