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