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f3e9a817 PM |
1 | /* Python interface to symbol tables. |
2 | ||
618f726f | 3 | Copyright (C) 2008-2016 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 | ||
e36122e9 | 40 | extern PyTypeObject symtab_object_type |
62eec1a5 | 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 | ||
e36122e9 | 71 | extern PyTypeObject sal_object_type |
62eec1a5 | 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; | |
43f3e411 | 135 | struct compunit_symtab *cust; |
2b4fd423 DE |
136 | |
137 | STPY_REQUIRE_VALID (self, symtab); | |
43f3e411 DE |
138 | cust = SYMTAB_COMPUNIT (symtab); |
139 | if (COMPUNIT_PRODUCER (cust) != NULL) | |
2b4fd423 | 140 | { |
43f3e411 | 141 | const char *producer = COMPUNIT_PRODUCER (cust); |
2b4fd423 DE |
142 | |
143 | return PyString_Decode (producer, strlen (producer), | |
144 | host_charset (), NULL); | |
145 | } | |
146 | ||
147 | Py_RETURN_NONE; | |
148 | } | |
149 | ||
f3e9a817 PM |
150 | static PyObject * |
151 | stpy_fullname (PyObject *self, PyObject *args) | |
152 | { | |
0b0865da | 153 | const char *fullname; |
f3e9a817 PM |
154 | struct symtab *symtab = NULL; |
155 | ||
156 | STPY_REQUIRE_VALID (self, symtab); | |
157 | ||
158 | fullname = symtab_to_fullname (symtab); | |
f3e9a817 | 159 | |
f35a17b5 | 160 | return PyString_Decode (fullname, strlen (fullname), host_charset (), NULL); |
f3e9a817 PM |
161 | } |
162 | ||
29703da4 PM |
163 | /* Implementation of gdb.Symtab.is_valid (self) -> Boolean. |
164 | Returns True if this Symbol table still exists in GDB. */ | |
165 | ||
166 | static PyObject * | |
167 | stpy_is_valid (PyObject *self, PyObject *args) | |
168 | { | |
169 | struct symtab *symtab = NULL; | |
170 | ||
171 | symtab = symtab_object_to_symtab (self); | |
172 | if (symtab == NULL) | |
173 | Py_RETURN_FALSE; | |
174 | ||
175 | Py_RETURN_TRUE; | |
176 | } | |
177 | ||
a20ee7a4 SCR |
178 | /* Return the GLOBAL_BLOCK of the underlying symtab. */ |
179 | ||
180 | static PyObject * | |
181 | stpy_global_block (PyObject *self, PyObject *args) | |
182 | { | |
183 | struct symtab *symtab = NULL; | |
184 | struct block *block = NULL; | |
346d1dfe | 185 | const struct blockvector *blockvector; |
a20ee7a4 SCR |
186 | |
187 | STPY_REQUIRE_VALID (self, symtab); | |
188 | ||
439247b6 | 189 | blockvector = SYMTAB_BLOCKVECTOR (symtab); |
a20ee7a4 | 190 | block = BLOCKVECTOR_BLOCK (blockvector, GLOBAL_BLOCK); |
eb822aa6 | 191 | return block_to_block_object (block, SYMTAB_OBJFILE (symtab)); |
a20ee7a4 SCR |
192 | } |
193 | ||
194 | /* Return the STATIC_BLOCK of the underlying symtab. */ | |
195 | ||
196 | static PyObject * | |
197 | stpy_static_block (PyObject *self, PyObject *args) | |
198 | { | |
199 | struct symtab *symtab = NULL; | |
200 | struct block *block = NULL; | |
346d1dfe | 201 | const struct blockvector *blockvector; |
a20ee7a4 SCR |
202 | |
203 | STPY_REQUIRE_VALID (self, symtab); | |
204 | ||
439247b6 | 205 | blockvector = SYMTAB_BLOCKVECTOR (symtab); |
a20ee7a4 | 206 | block = BLOCKVECTOR_BLOCK (blockvector, STATIC_BLOCK); |
eb822aa6 | 207 | return block_to_block_object (block, SYMTAB_OBJFILE (symtab)); |
a20ee7a4 SCR |
208 | } |
209 | ||
4efd80aa CS |
210 | /* Implementation of gdb.Symtab.linetable (self) -> gdb.LineTable. |
211 | Returns a gdb.LineTable object corresponding to this symbol | |
bc79de95 PM |
212 | table. */ |
213 | ||
214 | static PyObject * | |
215 | stpy_get_linetable (PyObject *self, PyObject *args) | |
216 | { | |
217 | struct symtab *symtab = NULL; | |
218 | ||
219 | STPY_REQUIRE_VALID (self, symtab); | |
220 | ||
221 | return symtab_to_linetable_object (self); | |
222 | } | |
223 | ||
f3e9a817 PM |
224 | static PyObject * |
225 | salpy_str (PyObject *self) | |
226 | { | |
05cba821 JK |
227 | char *s; |
228 | const char *filename; | |
f3e9a817 PM |
229 | sal_object *sal_obj; |
230 | PyObject *result; | |
231 | struct symtab_and_line *sal = NULL; | |
232 | ||
233 | SALPY_REQUIRE_VALID (self, sal); | |
234 | ||
235 | sal_obj = (sal_object *) self; | |
236 | filename = (sal_obj->symtab == (symtab_object *) Py_None) | |
05cba821 | 237 | ? "<unknown>" : symtab_to_filename_for_display (sal_obj->symtab->symtab); |
f3e9a817 PM |
238 | |
239 | s = xstrprintf ("symbol and line for %s, line %d", filename, | |
240 | sal->line); | |
241 | ||
242 | result = PyString_FromString (s); | |
243 | xfree (s); | |
244 | ||
245 | return result; | |
246 | } | |
247 | ||
248 | static void | |
249 | stpy_dealloc (PyObject *obj) | |
250 | { | |
251 | symtab_object *symtab = (symtab_object *) obj; | |
252 | ||
253 | if (symtab->prev) | |
254 | symtab->prev->next = symtab->next; | |
255 | else if (symtab->symtab) | |
256 | { | |
eb822aa6 | 257 | set_objfile_data (SYMTAB_OBJFILE (symtab->symtab), |
f3e9a817 PM |
258 | stpy_objfile_data_key, symtab->next); |
259 | } | |
260 | if (symtab->next) | |
261 | symtab->next->prev = symtab->prev; | |
262 | symtab->symtab = NULL; | |
263 | } | |
264 | ||
265 | ||
266 | static PyObject * | |
267 | salpy_get_pc (PyObject *self, void *closure) | |
268 | { | |
269 | struct symtab_and_line *sal = NULL; | |
270 | ||
271 | SALPY_REQUIRE_VALID (self, sal); | |
272 | ||
74aedc46 | 273 | return gdb_py_long_from_ulongest (sal->pc); |
f3e9a817 PM |
274 | } |
275 | ||
ee0bf529 SCR |
276 | /* Implementation of the get method for the 'last' attribute of |
277 | gdb.Symtab_and_line. */ | |
278 | ||
279 | static PyObject * | |
280 | salpy_get_last (PyObject *self, void *closure) | |
281 | { | |
282 | struct symtab_and_line *sal = NULL; | |
283 | ||
284 | SALPY_REQUIRE_VALID (self, sal); | |
285 | ||
286 | if (sal->end > 0) | |
287 | return gdb_py_long_from_ulongest (sal->end - 1); | |
288 | else | |
289 | Py_RETURN_NONE; | |
290 | } | |
291 | ||
f3e9a817 PM |
292 | static PyObject * |
293 | salpy_get_line (PyObject *self, void *closure) | |
294 | { | |
295 | struct symtab_and_line *sal = NULL; | |
296 | ||
297 | SALPY_REQUIRE_VALID (self, sal); | |
298 | ||
74aedc46 | 299 | return PyInt_FromLong (sal->line); |
f3e9a817 PM |
300 | } |
301 | ||
302 | static PyObject * | |
303 | salpy_get_symtab (PyObject *self, void *closure) | |
304 | { | |
305 | struct symtab_and_line *sal; | |
306 | sal_object *self_sal = (sal_object *) self; | |
307 | ||
308 | SALPY_REQUIRE_VALID (self, sal); | |
309 | ||
310 | Py_INCREF (self_sal->symtab); | |
311 | ||
312 | return (PyObject *) self_sal->symtab; | |
313 | } | |
314 | ||
29703da4 PM |
315 | /* Implementation of gdb.Symtab_and_line.is_valid (self) -> Boolean. |
316 | Returns True if this Symbol table and line object still exists GDB. */ | |
317 | ||
318 | static PyObject * | |
319 | salpy_is_valid (PyObject *self, PyObject *args) | |
320 | { | |
321 | struct symtab_and_line *sal; | |
322 | ||
323 | sal = sal_object_to_symtab_and_line (self); | |
324 | if (sal == NULL) | |
325 | Py_RETURN_FALSE; | |
326 | ||
327 | Py_RETURN_TRUE; | |
328 | } | |
329 | ||
f3e9a817 PM |
330 | static void |
331 | salpy_dealloc (PyObject *self) | |
332 | { | |
333 | sal_object *self_sal = (sal_object *) self; | |
334 | ||
335 | if (self_sal->prev) | |
336 | self_sal->prev->next = self_sal->next; | |
337 | else if (self_sal->symtab != (symtab_object * ) Py_None) | |
eb822aa6 | 338 | set_objfile_data (SYMTAB_OBJFILE (self_sal->symtab->symtab), |
f3e9a817 PM |
339 | salpy_objfile_data_key, self_sal->next); |
340 | ||
341 | if (self_sal->next) | |
342 | self_sal->next->prev = self_sal->prev; | |
343 | ||
344 | Py_DECREF (self_sal->symtab); | |
345 | xfree (self_sal->sal); | |
9a27f2c6 | 346 | Py_TYPE (self)->tp_free (self); |
f3e9a817 PM |
347 | } |
348 | ||
b021a221 MS |
349 | /* Given a sal, and a sal_object that has previously been allocated |
350 | and initialized, populate the sal_object with the struct sal data. | |
351 | Also, register the sal_object life-cycle with the life-cycle of the | |
352 | object file associated with this sal, if needed. If a failure | |
33ee792f TT |
353 | occurs during the sal population, this function will return -1. */ |
354 | static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION | |
f3e9a817 PM |
355 | set_sal (sal_object *sal_obj, struct symtab_and_line sal) |
356 | { | |
357 | symtab_object *symtab_obj; | |
358 | ||
359 | if (sal.symtab) | |
360 | { | |
361 | symtab_obj = (symtab_object *) symtab_to_symtab_object (sal.symtab); | |
362 | /* If a symtab existed in the sal, but it cannot be duplicated, | |
363 | we exit. */ | |
364 | if (symtab_obj == NULL) | |
33ee792f | 365 | return -1; |
f3e9a817 PM |
366 | } |
367 | else | |
368 | { | |
369 | symtab_obj = (symtab_object *) Py_None; | |
370 | Py_INCREF (Py_None); | |
371 | } | |
372 | ||
224c3ddb SM |
373 | sal_obj->sal = ((struct symtab_and_line *) |
374 | xmemdup (&sal, sizeof (struct symtab_and_line), | |
375 | sizeof (struct symtab_and_line))); | |
f3e9a817 PM |
376 | sal_obj->symtab = symtab_obj; |
377 | sal_obj->prev = NULL; | |
378 | ||
379 | /* If the SAL does not have a symtab, we do not add it to the | |
380 | objfile cleanup observer linked list. */ | |
381 | if (sal_obj->symtab != (symtab_object *)Py_None) | |
382 | { | |
19ba03f4 SM |
383 | sal_obj->next |
384 | = ((struct salpy_sal_object *) | |
385 | objfile_data (SYMTAB_OBJFILE (sal_obj->symtab->symtab), | |
386 | salpy_objfile_data_key)); | |
f3e9a817 PM |
387 | if (sal_obj->next) |
388 | sal_obj->next->prev = sal_obj; | |
389 | ||
eb822aa6 | 390 | set_objfile_data (SYMTAB_OBJFILE (sal_obj->symtab->symtab), |
f3e9a817 PM |
391 | salpy_objfile_data_key, sal_obj); |
392 | } | |
393 | else | |
394 | sal_obj->next = NULL; | |
395 | ||
33ee792f | 396 | return 0; |
f3e9a817 PM |
397 | } |
398 | ||
399 | /* Given a symtab, and a symtab_object that has previously been | |
400 | allocated and initialized, populate the symtab_object with the | |
401 | struct symtab data. Also, register the symtab_object life-cycle | |
b021a221 | 402 | with the life-cycle of the object file associated with this |
f3e9a817 PM |
403 | symtab, if needed. */ |
404 | static void | |
405 | set_symtab (symtab_object *obj, struct symtab *symtab) | |
406 | { | |
407 | obj->symtab = symtab; | |
408 | obj->prev = NULL; | |
409 | if (symtab) | |
410 | { | |
19ba03f4 SM |
411 | obj->next |
412 | = ((struct stpy_symtab_object *) | |
413 | objfile_data (SYMTAB_OBJFILE (symtab), stpy_objfile_data_key)); | |
f3e9a817 PM |
414 | if (obj->next) |
415 | obj->next->prev = obj; | |
eb822aa6 | 416 | set_objfile_data (SYMTAB_OBJFILE (symtab), stpy_objfile_data_key, obj); |
f3e9a817 PM |
417 | } |
418 | else | |
419 | obj->next = NULL; | |
420 | } | |
421 | ||
422 | /* Create a new symbol table (gdb.Symtab) object that encapsulates the | |
423 | symtab structure from GDB. */ | |
424 | PyObject * | |
425 | symtab_to_symtab_object (struct symtab *symtab) | |
426 | { | |
427 | symtab_object *symtab_obj; | |
428 | ||
429 | symtab_obj = PyObject_New (symtab_object, &symtab_object_type); | |
430 | if (symtab_obj) | |
431 | set_symtab (symtab_obj, symtab); | |
432 | ||
433 | return (PyObject *) symtab_obj; | |
434 | } | |
435 | ||
436 | /* Create a new symtab and line (gdb.Symtab_and_line) object | |
437 | that encapsulates the symtab_and_line structure from GDB. */ | |
438 | PyObject * | |
439 | symtab_and_line_to_sal_object (struct symtab_and_line sal) | |
f3e9a817 PM |
440 | { |
441 | sal_object *sal_obj; | |
f3e9a817 | 442 | int success = 0; |
f3e9a817 | 443 | |
d59b6f6c | 444 | sal_obj = PyObject_New (sal_object, &sal_object_type); |
f3e9a817 PM |
445 | if (sal_obj) |
446 | { | |
33ee792f | 447 | if (set_sal (sal_obj, sal) < 0) |
f3e9a817 PM |
448 | { |
449 | Py_DECREF (sal_obj); | |
450 | return NULL; | |
451 | } | |
452 | } | |
453 | ||
454 | return (PyObject *) sal_obj; | |
455 | } | |
456 | ||
457 | /* Return struct symtab_and_line reference that is wrapped by this | |
458 | object. */ | |
459 | struct symtab_and_line * | |
460 | sal_object_to_symtab_and_line (PyObject *obj) | |
461 | { | |
462 | if (! PyObject_TypeCheck (obj, &sal_object_type)) | |
463 | return NULL; | |
464 | return ((sal_object *) obj)->sal; | |
465 | } | |
466 | ||
467 | /* Return struct symtab reference that is wrapped by this object. */ | |
468 | struct symtab * | |
469 | symtab_object_to_symtab (PyObject *obj) | |
470 | { | |
471 | if (! PyObject_TypeCheck (obj, &symtab_object_type)) | |
472 | return NULL; | |
473 | return ((symtab_object *) obj)->symtab; | |
474 | } | |
475 | ||
476 | /* This function is called when an objfile is about to be freed. | |
477 | Invalidate the symbol table as further actions on the symbol table | |
478 | would result in bad data. All access to obj->symtab should be | |
479 | gated by STPY_REQUIRE_VALID which will raise an exception on | |
480 | invalid symbol tables. */ | |
481 | static void | |
482 | del_objfile_symtab (struct objfile *objfile, void *datum) | |
483 | { | |
19ba03f4 | 484 | symtab_object *obj = (symtab_object *) datum; |
d59b6f6c | 485 | |
f3e9a817 PM |
486 | while (obj) |
487 | { | |
488 | symtab_object *next = obj->next; | |
489 | ||
490 | obj->symtab = NULL; | |
491 | obj->next = NULL; | |
492 | obj->prev = NULL; | |
493 | obj = next; | |
494 | } | |
495 | } | |
496 | ||
497 | /* This function is called when an objfile is about to be freed. | |
498 | Invalidate the sal object as further actions on the sal | |
499 | would result in bad data. All access to obj->sal should be | |
500 | gated by SALPY_REQUIRE_VALID which will raise an exception on | |
501 | invalid symbol table and line objects. */ | |
502 | static void | |
503 | del_objfile_sal (struct objfile *objfile, void *datum) | |
504 | { | |
19ba03f4 | 505 | sal_object *obj = (sal_object *) datum; |
d59b6f6c | 506 | |
f3e9a817 PM |
507 | while (obj) |
508 | { | |
509 | sal_object *next = obj->next; | |
510 | ||
801e4185 TT |
511 | Py_DECREF (obj->symtab); |
512 | obj->symtab = (symtab_object *) Py_None; | |
513 | Py_INCREF (Py_None); | |
514 | ||
f3e9a817 PM |
515 | obj->next = NULL; |
516 | obj->prev = NULL; | |
517 | xfree (obj->sal); | |
518 | obj->sal = NULL; | |
519 | ||
520 | obj = next; | |
521 | } | |
522 | } | |
523 | ||
999633ed | 524 | int |
f3e9a817 PM |
525 | gdbpy_initialize_symtabs (void) |
526 | { | |
527 | symtab_object_type.tp_new = PyType_GenericNew; | |
528 | if (PyType_Ready (&symtab_object_type) < 0) | |
999633ed | 529 | return -1; |
f3e9a817 PM |
530 | |
531 | sal_object_type.tp_new = PyType_GenericNew; | |
532 | if (PyType_Ready (&sal_object_type) < 0) | |
999633ed | 533 | return -1; |
f3e9a817 PM |
534 | |
535 | /* Register an objfile "free" callback so we can properly | |
536 | invalidate symbol tables, and symbol table and line data | |
537 | structures when an object file that is about to be | |
538 | deleted. */ | |
539 | stpy_objfile_data_key | |
540 | = register_objfile_data_with_cleanup (NULL, del_objfile_symtab); | |
541 | salpy_objfile_data_key | |
542 | = register_objfile_data_with_cleanup (NULL, del_objfile_sal); | |
543 | ||
aa36459a TT |
544 | if (gdb_pymodule_addobject (gdb_module, "Symtab", |
545 | (PyObject *) &symtab_object_type) < 0) | |
999633ed | 546 | return -1; |
f3e9a817 | 547 | |
aa36459a TT |
548 | return gdb_pymodule_addobject (gdb_module, "Symtab_and_line", |
549 | (PyObject *) &sal_object_type); | |
f3e9a817 PM |
550 | } |
551 | ||
552 | \f | |
553 | ||
554 | static PyGetSetDef symtab_object_getset[] = { | |
555 | { "filename", stpy_get_filename, NULL, | |
556 | "The symbol table's source filename.", NULL }, | |
557 | { "objfile", stpy_get_objfile, NULL, "The symtab's objfile.", | |
558 | NULL }, | |
2b4fd423 DE |
559 | { "producer", stpy_get_producer, NULL, |
560 | "The name/version of the program that compiled this symtab.", NULL }, | |
f3e9a817 PM |
561 | {NULL} /* Sentinel */ |
562 | }; | |
563 | ||
564 | static PyMethodDef symtab_object_methods[] = { | |
29703da4 PM |
565 | { "is_valid", stpy_is_valid, METH_NOARGS, |
566 | "is_valid () -> Boolean.\n\ | |
567 | Return true if this symbol table is valid, false if not." }, | |
f3e9a817 PM |
568 | { "fullname", stpy_fullname, METH_NOARGS, |
569 | "fullname () -> String.\n\ | |
570 | Return the symtab's full source filename." }, | |
a20ee7a4 SCR |
571 | { "global_block", stpy_global_block, METH_NOARGS, |
572 | "global_block () -> gdb.Block.\n\ | |
573 | Return the global block of the symbol table." }, | |
574 | { "static_block", stpy_static_block, METH_NOARGS, | |
575 | "static_block () -> gdb.Block.\n\ | |
576 | Return the static block of the symbol table." }, | |
bc79de95 | 577 | { "linetable", stpy_get_linetable, METH_NOARGS, |
4efd80aa CS |
578 | "linetable () -> gdb.LineTable.\n\ |
579 | Return the LineTable associated with this symbol table" }, | |
f3e9a817 PM |
580 | {NULL} /* Sentinel */ |
581 | }; | |
582 | ||
e36122e9 | 583 | PyTypeObject symtab_object_type = { |
9a27f2c6 | 584 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
585 | "gdb.Symtab", /*tp_name*/ |
586 | sizeof (symtab_object), /*tp_basicsize*/ | |
587 | 0, /*tp_itemsize*/ | |
588 | stpy_dealloc, /*tp_dealloc*/ | |
589 | 0, /*tp_print*/ | |
590 | 0, /*tp_getattr*/ | |
591 | 0, /*tp_setattr*/ | |
592 | 0, /*tp_compare*/ | |
593 | 0, /*tp_repr*/ | |
594 | 0, /*tp_as_number*/ | |
595 | 0, /*tp_as_sequence*/ | |
596 | 0, /*tp_as_mapping*/ | |
597 | 0, /*tp_hash */ | |
598 | 0, /*tp_call*/ | |
599 | stpy_str, /*tp_str*/ | |
600 | 0, /*tp_getattro*/ | |
601 | 0, /*tp_setattro*/ | |
602 | 0, /*tp_as_buffer*/ | |
603 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
604 | "GDB symtab object", /*tp_doc */ | |
605 | 0, /*tp_traverse */ | |
606 | 0, /*tp_clear */ | |
607 | 0, /*tp_richcompare */ | |
608 | 0, /*tp_weaklistoffset */ | |
609 | 0, /*tp_iter */ | |
610 | 0, /*tp_iternext */ | |
611 | symtab_object_methods, /*tp_methods */ | |
612 | 0, /*tp_members */ | |
613 | symtab_object_getset /*tp_getset */ | |
614 | }; | |
615 | ||
616 | static PyGetSetDef sal_object_getset[] = { | |
617 | { "symtab", salpy_get_symtab, NULL, "Symtab object.", NULL }, | |
618 | { "pc", salpy_get_pc, NULL, "Return the symtab_and_line's pc.", NULL }, | |
ee0bf529 SCR |
619 | { "last", salpy_get_last, NULL, |
620 | "Return the symtab_and_line's last address.", NULL }, | |
f3e9a817 PM |
621 | { "line", salpy_get_line, NULL, |
622 | "Return the symtab_and_line's line.", NULL }, | |
623 | {NULL} /* Sentinel */ | |
624 | }; | |
625 | ||
29703da4 PM |
626 | static PyMethodDef sal_object_methods[] = { |
627 | { "is_valid", salpy_is_valid, METH_NOARGS, | |
628 | "is_valid () -> Boolean.\n\ | |
629 | Return true if this symbol table and line is valid, false if not." }, | |
630 | {NULL} /* Sentinel */ | |
631 | }; | |
632 | ||
e36122e9 | 633 | PyTypeObject sal_object_type = { |
9a27f2c6 | 634 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
635 | "gdb.Symtab_and_line", /*tp_name*/ |
636 | sizeof (sal_object), /*tp_basicsize*/ | |
637 | 0, /*tp_itemsize*/ | |
638 | salpy_dealloc, /*tp_dealloc*/ | |
639 | 0, /*tp_print*/ | |
640 | 0, /*tp_getattr*/ | |
641 | 0, /*tp_setattr*/ | |
642 | 0, /*tp_compare*/ | |
643 | 0, /*tp_repr*/ | |
644 | 0, /*tp_as_number*/ | |
645 | 0, /*tp_as_sequence*/ | |
646 | 0, /*tp_as_mapping*/ | |
647 | 0, /*tp_hash */ | |
648 | 0, /*tp_call*/ | |
649 | salpy_str, /*tp_str*/ | |
650 | 0, /*tp_getattro*/ | |
651 | 0, /*tp_setattro*/ | |
652 | 0, /*tp_as_buffer*/ | |
653 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
654 | "GDB symtab_and_line object", /*tp_doc */ | |
655 | 0, /*tp_traverse */ | |
656 | 0, /*tp_clear */ | |
657 | 0, /*tp_richcompare */ | |
658 | 0, /*tp_weaklistoffset */ | |
659 | 0, /*tp_iter */ | |
660 | 0, /*tp_iternext */ | |
29703da4 | 661 | sal_object_methods, /*tp_methods */ |
f3e9a817 PM |
662 | 0, /*tp_members */ |
663 | sal_object_getset /*tp_getset */ | |
664 | }; |