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f3e9a817 PM |
1 | /* Python interface to symbol tables. |
2 | ||
ecd75fc8 | 3 | Copyright (C) 2008-2014 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 | ||
eb822aa6 | 124 | result = objfile_to_objfile_object (SYMTAB_OBJFILE (symtab)); |
f3e9a817 PM |
125 | Py_XINCREF (result); |
126 | return result; | |
127 | } | |
128 | ||
2b4fd423 DE |
129 | /* Getter function for symtab.producer. */ |
130 | ||
131 | static PyObject * | |
132 | stpy_get_producer (PyObject *self, void *closure) | |
133 | { | |
134 | struct symtab *symtab = NULL; | |
135 | ||
136 | STPY_REQUIRE_VALID (self, symtab); | |
137 | if (symtab->producer != NULL) | |
138 | { | |
139 | const char *producer = symtab->producer; | |
140 | ||
141 | return PyString_Decode (producer, strlen (producer), | |
142 | host_charset (), NULL); | |
143 | } | |
144 | ||
145 | Py_RETURN_NONE; | |
146 | } | |
147 | ||
f3e9a817 PM |
148 | static PyObject * |
149 | stpy_fullname (PyObject *self, PyObject *args) | |
150 | { | |
0b0865da | 151 | const char *fullname; |
f3e9a817 PM |
152 | struct symtab *symtab = NULL; |
153 | ||
154 | STPY_REQUIRE_VALID (self, symtab); | |
155 | ||
156 | fullname = symtab_to_fullname (symtab); | |
f3e9a817 | 157 | |
f35a17b5 | 158 | return PyString_Decode (fullname, strlen (fullname), host_charset (), NULL); |
f3e9a817 PM |
159 | } |
160 | ||
29703da4 PM |
161 | /* Implementation of gdb.Symtab.is_valid (self) -> Boolean. |
162 | Returns True if this Symbol table still exists in GDB. */ | |
163 | ||
164 | static PyObject * | |
165 | stpy_is_valid (PyObject *self, PyObject *args) | |
166 | { | |
167 | struct symtab *symtab = NULL; | |
168 | ||
169 | symtab = symtab_object_to_symtab (self); | |
170 | if (symtab == NULL) | |
171 | Py_RETURN_FALSE; | |
172 | ||
173 | Py_RETURN_TRUE; | |
174 | } | |
175 | ||
a20ee7a4 SCR |
176 | /* Return the GLOBAL_BLOCK of the underlying symtab. */ |
177 | ||
178 | static PyObject * | |
179 | stpy_global_block (PyObject *self, PyObject *args) | |
180 | { | |
181 | struct symtab *symtab = NULL; | |
182 | struct block *block = NULL; | |
346d1dfe | 183 | const struct blockvector *blockvector; |
a20ee7a4 SCR |
184 | |
185 | STPY_REQUIRE_VALID (self, symtab); | |
186 | ||
187 | blockvector = BLOCKVECTOR (symtab); | |
188 | block = BLOCKVECTOR_BLOCK (blockvector, GLOBAL_BLOCK); | |
eb822aa6 | 189 | return block_to_block_object (block, SYMTAB_OBJFILE (symtab)); |
a20ee7a4 SCR |
190 | } |
191 | ||
192 | /* Return the STATIC_BLOCK of the underlying symtab. */ | |
193 | ||
194 | static PyObject * | |
195 | stpy_static_block (PyObject *self, PyObject *args) | |
196 | { | |
197 | struct symtab *symtab = NULL; | |
198 | struct block *block = NULL; | |
346d1dfe | 199 | const struct blockvector *blockvector; |
a20ee7a4 SCR |
200 | |
201 | STPY_REQUIRE_VALID (self, symtab); | |
202 | ||
203 | blockvector = BLOCKVECTOR (symtab); | |
204 | block = BLOCKVECTOR_BLOCK (blockvector, STATIC_BLOCK); | |
eb822aa6 | 205 | return block_to_block_object (block, SYMTAB_OBJFILE (symtab)); |
a20ee7a4 SCR |
206 | } |
207 | ||
bc79de95 PM |
208 | /* Implementation of gdb.Symtab.linetable (self) -> gdb.Linetable. |
209 | Returns a gdb.Linetable object corresponding to this symbol | |
210 | table. */ | |
211 | ||
212 | static PyObject * | |
213 | stpy_get_linetable (PyObject *self, PyObject *args) | |
214 | { | |
215 | struct symtab *symtab = NULL; | |
216 | ||
217 | STPY_REQUIRE_VALID (self, symtab); | |
218 | ||
219 | return symtab_to_linetable_object (self); | |
220 | } | |
221 | ||
f3e9a817 PM |
222 | static PyObject * |
223 | salpy_str (PyObject *self) | |
224 | { | |
05cba821 JK |
225 | char *s; |
226 | const char *filename; | |
f3e9a817 PM |
227 | sal_object *sal_obj; |
228 | PyObject *result; | |
229 | struct symtab_and_line *sal = NULL; | |
230 | ||
231 | SALPY_REQUIRE_VALID (self, sal); | |
232 | ||
233 | sal_obj = (sal_object *) self; | |
234 | filename = (sal_obj->symtab == (symtab_object *) Py_None) | |
05cba821 | 235 | ? "<unknown>" : symtab_to_filename_for_display (sal_obj->symtab->symtab); |
f3e9a817 PM |
236 | |
237 | s = xstrprintf ("symbol and line for %s, line %d", filename, | |
238 | sal->line); | |
239 | ||
240 | result = PyString_FromString (s); | |
241 | xfree (s); | |
242 | ||
243 | return result; | |
244 | } | |
245 | ||
246 | static void | |
247 | stpy_dealloc (PyObject *obj) | |
248 | { | |
249 | symtab_object *symtab = (symtab_object *) obj; | |
250 | ||
251 | if (symtab->prev) | |
252 | symtab->prev->next = symtab->next; | |
253 | else if (symtab->symtab) | |
254 | { | |
eb822aa6 | 255 | set_objfile_data (SYMTAB_OBJFILE (symtab->symtab), |
f3e9a817 PM |
256 | stpy_objfile_data_key, symtab->next); |
257 | } | |
258 | if (symtab->next) | |
259 | symtab->next->prev = symtab->prev; | |
260 | symtab->symtab = NULL; | |
261 | } | |
262 | ||
263 | ||
264 | static PyObject * | |
265 | salpy_get_pc (PyObject *self, void *closure) | |
266 | { | |
267 | struct symtab_and_line *sal = NULL; | |
268 | ||
269 | SALPY_REQUIRE_VALID (self, sal); | |
270 | ||
74aedc46 | 271 | return gdb_py_long_from_ulongest (sal->pc); |
f3e9a817 PM |
272 | } |
273 | ||
ee0bf529 SCR |
274 | /* Implementation of the get method for the 'last' attribute of |
275 | gdb.Symtab_and_line. */ | |
276 | ||
277 | static PyObject * | |
278 | salpy_get_last (PyObject *self, void *closure) | |
279 | { | |
280 | struct symtab_and_line *sal = NULL; | |
281 | ||
282 | SALPY_REQUIRE_VALID (self, sal); | |
283 | ||
284 | if (sal->end > 0) | |
285 | return gdb_py_long_from_ulongest (sal->end - 1); | |
286 | else | |
287 | Py_RETURN_NONE; | |
288 | } | |
289 | ||
f3e9a817 PM |
290 | static PyObject * |
291 | salpy_get_line (PyObject *self, void *closure) | |
292 | { | |
293 | struct symtab_and_line *sal = NULL; | |
294 | ||
295 | SALPY_REQUIRE_VALID (self, sal); | |
296 | ||
74aedc46 | 297 | return PyInt_FromLong (sal->line); |
f3e9a817 PM |
298 | } |
299 | ||
300 | static PyObject * | |
301 | salpy_get_symtab (PyObject *self, void *closure) | |
302 | { | |
303 | struct symtab_and_line *sal; | |
304 | sal_object *self_sal = (sal_object *) self; | |
305 | ||
306 | SALPY_REQUIRE_VALID (self, sal); | |
307 | ||
308 | Py_INCREF (self_sal->symtab); | |
309 | ||
310 | return (PyObject *) self_sal->symtab; | |
311 | } | |
312 | ||
29703da4 PM |
313 | /* Implementation of gdb.Symtab_and_line.is_valid (self) -> Boolean. |
314 | Returns True if this Symbol table and line object still exists GDB. */ | |
315 | ||
316 | static PyObject * | |
317 | salpy_is_valid (PyObject *self, PyObject *args) | |
318 | { | |
319 | struct symtab_and_line *sal; | |
320 | ||
321 | sal = sal_object_to_symtab_and_line (self); | |
322 | if (sal == NULL) | |
323 | Py_RETURN_FALSE; | |
324 | ||
325 | Py_RETURN_TRUE; | |
326 | } | |
327 | ||
f3e9a817 PM |
328 | static void |
329 | salpy_dealloc (PyObject *self) | |
330 | { | |
331 | sal_object *self_sal = (sal_object *) self; | |
332 | ||
333 | if (self_sal->prev) | |
334 | self_sal->prev->next = self_sal->next; | |
335 | else if (self_sal->symtab != (symtab_object * ) Py_None) | |
eb822aa6 | 336 | set_objfile_data (SYMTAB_OBJFILE (self_sal->symtab->symtab), |
f3e9a817 PM |
337 | salpy_objfile_data_key, self_sal->next); |
338 | ||
339 | if (self_sal->next) | |
340 | self_sal->next->prev = self_sal->prev; | |
341 | ||
342 | Py_DECREF (self_sal->symtab); | |
343 | xfree (self_sal->sal); | |
9a27f2c6 | 344 | Py_TYPE (self)->tp_free (self); |
f3e9a817 PM |
345 | } |
346 | ||
b021a221 MS |
347 | /* Given a sal, and a sal_object that has previously been allocated |
348 | and initialized, populate the sal_object with the struct sal data. | |
349 | Also, register the sal_object life-cycle with the life-cycle of the | |
350 | object file associated with this sal, if needed. If a failure | |
33ee792f TT |
351 | occurs during the sal population, this function will return -1. */ |
352 | static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION | |
f3e9a817 PM |
353 | set_sal (sal_object *sal_obj, struct symtab_and_line sal) |
354 | { | |
355 | symtab_object *symtab_obj; | |
356 | ||
357 | if (sal.symtab) | |
358 | { | |
359 | symtab_obj = (symtab_object *) symtab_to_symtab_object (sal.symtab); | |
360 | /* If a symtab existed in the sal, but it cannot be duplicated, | |
361 | we exit. */ | |
362 | if (symtab_obj == NULL) | |
33ee792f | 363 | return -1; |
f3e9a817 PM |
364 | } |
365 | else | |
366 | { | |
367 | symtab_obj = (symtab_object *) Py_None; | |
368 | Py_INCREF (Py_None); | |
369 | } | |
370 | ||
371 | sal_obj->sal = xmemdup (&sal, sizeof (struct symtab_and_line), | |
372 | sizeof (struct symtab_and_line)); | |
373 | sal_obj->symtab = symtab_obj; | |
374 | sal_obj->prev = NULL; | |
375 | ||
376 | /* If the SAL does not have a symtab, we do not add it to the | |
377 | objfile cleanup observer linked list. */ | |
378 | if (sal_obj->symtab != (symtab_object *)Py_None) | |
379 | { | |
eb822aa6 | 380 | sal_obj->next = objfile_data (SYMTAB_OBJFILE (sal_obj->symtab->symtab), |
f3e9a817 PM |
381 | salpy_objfile_data_key); |
382 | if (sal_obj->next) | |
383 | sal_obj->next->prev = sal_obj; | |
384 | ||
eb822aa6 | 385 | set_objfile_data (SYMTAB_OBJFILE (sal_obj->symtab->symtab), |
f3e9a817 PM |
386 | salpy_objfile_data_key, sal_obj); |
387 | } | |
388 | else | |
389 | sal_obj->next = NULL; | |
390 | ||
33ee792f | 391 | return 0; |
f3e9a817 PM |
392 | } |
393 | ||
394 | /* Given a symtab, and a symtab_object that has previously been | |
395 | allocated and initialized, populate the symtab_object with the | |
396 | struct symtab data. Also, register the symtab_object life-cycle | |
b021a221 | 397 | with the life-cycle of the object file associated with this |
f3e9a817 PM |
398 | symtab, if needed. */ |
399 | static void | |
400 | set_symtab (symtab_object *obj, struct symtab *symtab) | |
401 | { | |
402 | obj->symtab = symtab; | |
403 | obj->prev = NULL; | |
404 | if (symtab) | |
405 | { | |
eb822aa6 DE |
406 | obj->next = objfile_data (SYMTAB_OBJFILE (symtab), |
407 | stpy_objfile_data_key); | |
f3e9a817 PM |
408 | if (obj->next) |
409 | obj->next->prev = obj; | |
eb822aa6 | 410 | set_objfile_data (SYMTAB_OBJFILE (symtab), stpy_objfile_data_key, obj); |
f3e9a817 PM |
411 | } |
412 | else | |
413 | obj->next = NULL; | |
414 | } | |
415 | ||
416 | /* Create a new symbol table (gdb.Symtab) object that encapsulates the | |
417 | symtab structure from GDB. */ | |
418 | PyObject * | |
419 | symtab_to_symtab_object (struct symtab *symtab) | |
420 | { | |
421 | symtab_object *symtab_obj; | |
422 | ||
423 | symtab_obj = PyObject_New (symtab_object, &symtab_object_type); | |
424 | if (symtab_obj) | |
425 | set_symtab (symtab_obj, symtab); | |
426 | ||
427 | return (PyObject *) symtab_obj; | |
428 | } | |
429 | ||
430 | /* Create a new symtab and line (gdb.Symtab_and_line) object | |
431 | that encapsulates the symtab_and_line structure from GDB. */ | |
432 | PyObject * | |
433 | symtab_and_line_to_sal_object (struct symtab_and_line sal) | |
f3e9a817 PM |
434 | { |
435 | sal_object *sal_obj; | |
f3e9a817 | 436 | int success = 0; |
f3e9a817 | 437 | |
d59b6f6c | 438 | sal_obj = PyObject_New (sal_object, &sal_object_type); |
f3e9a817 PM |
439 | if (sal_obj) |
440 | { | |
33ee792f | 441 | if (set_sal (sal_obj, sal) < 0) |
f3e9a817 PM |
442 | { |
443 | Py_DECREF (sal_obj); | |
444 | return NULL; | |
445 | } | |
446 | } | |
447 | ||
448 | return (PyObject *) sal_obj; | |
449 | } | |
450 | ||
451 | /* Return struct symtab_and_line reference that is wrapped by this | |
452 | object. */ | |
453 | struct symtab_and_line * | |
454 | sal_object_to_symtab_and_line (PyObject *obj) | |
455 | { | |
456 | if (! PyObject_TypeCheck (obj, &sal_object_type)) | |
457 | return NULL; | |
458 | return ((sal_object *) obj)->sal; | |
459 | } | |
460 | ||
461 | /* Return struct symtab reference that is wrapped by this object. */ | |
462 | struct symtab * | |
463 | symtab_object_to_symtab (PyObject *obj) | |
464 | { | |
465 | if (! PyObject_TypeCheck (obj, &symtab_object_type)) | |
466 | return NULL; | |
467 | return ((symtab_object *) obj)->symtab; | |
468 | } | |
469 | ||
470 | /* This function is called when an objfile is about to be freed. | |
471 | Invalidate the symbol table as further actions on the symbol table | |
472 | would result in bad data. All access to obj->symtab should be | |
473 | gated by STPY_REQUIRE_VALID which will raise an exception on | |
474 | invalid symbol tables. */ | |
475 | static void | |
476 | del_objfile_symtab (struct objfile *objfile, void *datum) | |
477 | { | |
478 | symtab_object *obj = datum; | |
d59b6f6c | 479 | |
f3e9a817 PM |
480 | while (obj) |
481 | { | |
482 | symtab_object *next = obj->next; | |
483 | ||
484 | obj->symtab = NULL; | |
485 | obj->next = NULL; | |
486 | obj->prev = NULL; | |
487 | obj = next; | |
488 | } | |
489 | } | |
490 | ||
491 | /* This function is called when an objfile is about to be freed. | |
492 | Invalidate the sal object as further actions on the sal | |
493 | would result in bad data. All access to obj->sal should be | |
494 | gated by SALPY_REQUIRE_VALID which will raise an exception on | |
495 | invalid symbol table and line objects. */ | |
496 | static void | |
497 | del_objfile_sal (struct objfile *objfile, void *datum) | |
498 | { | |
499 | sal_object *obj = datum; | |
d59b6f6c | 500 | |
f3e9a817 PM |
501 | while (obj) |
502 | { | |
503 | sal_object *next = obj->next; | |
504 | ||
801e4185 TT |
505 | Py_DECREF (obj->symtab); |
506 | obj->symtab = (symtab_object *) Py_None; | |
507 | Py_INCREF (Py_None); | |
508 | ||
f3e9a817 PM |
509 | obj->next = NULL; |
510 | obj->prev = NULL; | |
511 | xfree (obj->sal); | |
512 | obj->sal = NULL; | |
513 | ||
514 | obj = next; | |
515 | } | |
516 | } | |
517 | ||
999633ed | 518 | int |
f3e9a817 PM |
519 | gdbpy_initialize_symtabs (void) |
520 | { | |
521 | symtab_object_type.tp_new = PyType_GenericNew; | |
522 | if (PyType_Ready (&symtab_object_type) < 0) | |
999633ed | 523 | return -1; |
f3e9a817 PM |
524 | |
525 | sal_object_type.tp_new = PyType_GenericNew; | |
526 | if (PyType_Ready (&sal_object_type) < 0) | |
999633ed | 527 | return -1; |
f3e9a817 PM |
528 | |
529 | /* Register an objfile "free" callback so we can properly | |
530 | invalidate symbol tables, and symbol table and line data | |
531 | structures when an object file that is about to be | |
532 | deleted. */ | |
533 | stpy_objfile_data_key | |
534 | = register_objfile_data_with_cleanup (NULL, del_objfile_symtab); | |
535 | salpy_objfile_data_key | |
536 | = register_objfile_data_with_cleanup (NULL, del_objfile_sal); | |
537 | ||
aa36459a TT |
538 | if (gdb_pymodule_addobject (gdb_module, "Symtab", |
539 | (PyObject *) &symtab_object_type) < 0) | |
999633ed | 540 | return -1; |
f3e9a817 | 541 | |
aa36459a TT |
542 | return gdb_pymodule_addobject (gdb_module, "Symtab_and_line", |
543 | (PyObject *) &sal_object_type); | |
f3e9a817 PM |
544 | } |
545 | ||
546 | \f | |
547 | ||
548 | static PyGetSetDef symtab_object_getset[] = { | |
549 | { "filename", stpy_get_filename, NULL, | |
550 | "The symbol table's source filename.", NULL }, | |
551 | { "objfile", stpy_get_objfile, NULL, "The symtab's objfile.", | |
552 | NULL }, | |
2b4fd423 DE |
553 | { "producer", stpy_get_producer, NULL, |
554 | "The name/version of the program that compiled this symtab.", NULL }, | |
f3e9a817 PM |
555 | {NULL} /* Sentinel */ |
556 | }; | |
557 | ||
558 | static PyMethodDef symtab_object_methods[] = { | |
29703da4 PM |
559 | { "is_valid", stpy_is_valid, METH_NOARGS, |
560 | "is_valid () -> Boolean.\n\ | |
561 | Return true if this symbol table is valid, false if not." }, | |
f3e9a817 PM |
562 | { "fullname", stpy_fullname, METH_NOARGS, |
563 | "fullname () -> String.\n\ | |
564 | Return the symtab's full source filename." }, | |
a20ee7a4 SCR |
565 | { "global_block", stpy_global_block, METH_NOARGS, |
566 | "global_block () -> gdb.Block.\n\ | |
567 | Return the global block of the symbol table." }, | |
568 | { "static_block", stpy_static_block, METH_NOARGS, | |
569 | "static_block () -> gdb.Block.\n\ | |
570 | Return the static block of the symbol table." }, | |
bc79de95 PM |
571 | { "linetable", stpy_get_linetable, METH_NOARGS, |
572 | "linetable () -> gdb.Linetable.\n\ | |
573 | Return the Linetable associated with this symbol table" }, | |
f3e9a817 PM |
574 | {NULL} /* Sentinel */ |
575 | }; | |
576 | ||
577 | static PyTypeObject symtab_object_type = { | |
9a27f2c6 | 578 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
579 | "gdb.Symtab", /*tp_name*/ |
580 | sizeof (symtab_object), /*tp_basicsize*/ | |
581 | 0, /*tp_itemsize*/ | |
582 | stpy_dealloc, /*tp_dealloc*/ | |
583 | 0, /*tp_print*/ | |
584 | 0, /*tp_getattr*/ | |
585 | 0, /*tp_setattr*/ | |
586 | 0, /*tp_compare*/ | |
587 | 0, /*tp_repr*/ | |
588 | 0, /*tp_as_number*/ | |
589 | 0, /*tp_as_sequence*/ | |
590 | 0, /*tp_as_mapping*/ | |
591 | 0, /*tp_hash */ | |
592 | 0, /*tp_call*/ | |
593 | stpy_str, /*tp_str*/ | |
594 | 0, /*tp_getattro*/ | |
595 | 0, /*tp_setattro*/ | |
596 | 0, /*tp_as_buffer*/ | |
597 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
598 | "GDB symtab object", /*tp_doc */ | |
599 | 0, /*tp_traverse */ | |
600 | 0, /*tp_clear */ | |
601 | 0, /*tp_richcompare */ | |
602 | 0, /*tp_weaklistoffset */ | |
603 | 0, /*tp_iter */ | |
604 | 0, /*tp_iternext */ | |
605 | symtab_object_methods, /*tp_methods */ | |
606 | 0, /*tp_members */ | |
607 | symtab_object_getset /*tp_getset */ | |
608 | }; | |
609 | ||
610 | static PyGetSetDef sal_object_getset[] = { | |
611 | { "symtab", salpy_get_symtab, NULL, "Symtab object.", NULL }, | |
612 | { "pc", salpy_get_pc, NULL, "Return the symtab_and_line's pc.", NULL }, | |
ee0bf529 SCR |
613 | { "last", salpy_get_last, NULL, |
614 | "Return the symtab_and_line's last address.", NULL }, | |
f3e9a817 PM |
615 | { "line", salpy_get_line, NULL, |
616 | "Return the symtab_and_line's line.", NULL }, | |
617 | {NULL} /* Sentinel */ | |
618 | }; | |
619 | ||
29703da4 PM |
620 | static PyMethodDef sal_object_methods[] = { |
621 | { "is_valid", salpy_is_valid, METH_NOARGS, | |
622 | "is_valid () -> Boolean.\n\ | |
623 | Return true if this symbol table and line is valid, false if not." }, | |
624 | {NULL} /* Sentinel */ | |
625 | }; | |
626 | ||
f3e9a817 | 627 | static PyTypeObject sal_object_type = { |
9a27f2c6 | 628 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
629 | "gdb.Symtab_and_line", /*tp_name*/ |
630 | sizeof (sal_object), /*tp_basicsize*/ | |
631 | 0, /*tp_itemsize*/ | |
632 | salpy_dealloc, /*tp_dealloc*/ | |
633 | 0, /*tp_print*/ | |
634 | 0, /*tp_getattr*/ | |
635 | 0, /*tp_setattr*/ | |
636 | 0, /*tp_compare*/ | |
637 | 0, /*tp_repr*/ | |
638 | 0, /*tp_as_number*/ | |
639 | 0, /*tp_as_sequence*/ | |
640 | 0, /*tp_as_mapping*/ | |
641 | 0, /*tp_hash */ | |
642 | 0, /*tp_call*/ | |
643 | salpy_str, /*tp_str*/ | |
644 | 0, /*tp_getattro*/ | |
645 | 0, /*tp_setattro*/ | |
646 | 0, /*tp_as_buffer*/ | |
647 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
648 | "GDB symtab_and_line object", /*tp_doc */ | |
649 | 0, /*tp_traverse */ | |
650 | 0, /*tp_clear */ | |
651 | 0, /*tp_richcompare */ | |
652 | 0, /*tp_weaklistoffset */ | |
653 | 0, /*tp_iter */ | |
654 | 0, /*tp_iternext */ | |
29703da4 | 655 | sal_object_methods, /*tp_methods */ |
f3e9a817 PM |
656 | 0, /*tp_members */ |
657 | sal_object_getset /*tp_getset */ | |
658 | }; |