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f3e9a817 PM |
1 | /* Python interface to symbol tables. |
2 | ||
d01e8234 | 3 | Copyright (C) 2008-2025 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 | ||
f3e9a817 PM |
20 | #include "charset.h" |
21 | #include "symtab.h" | |
22 | #include "source.h" | |
23 | #include "python-internal.h" | |
24 | #include "objfiles.h" | |
a20ee7a4 | 25 | #include "block.h" |
f3e9a817 | 26 | |
f99b5177 | 27 | struct symtab_object { |
f3e9a817 PM |
28 | PyObject_HEAD |
29 | /* The GDB Symbol table structure. */ | |
30 | struct symtab *symtab; | |
08b8a139 TT |
31 | }; |
32 | ||
e36122e9 | 33 | extern PyTypeObject symtab_object_type |
62eec1a5 | 34 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("symtab_object"); |
f55f9247 JV |
35 | static const gdbpy_registry<gdbpy_memoizing_registry_storage<symtab_object, |
36 | symtab, &symtab_object::symtab>> stpy_registry; | |
f3e9a817 PM |
37 | |
38 | /* Require a valid symbol table. All access to symtab_object->symtab | |
39 | should be gated by this call. */ | |
40 | #define STPY_REQUIRE_VALID(symtab_obj, symtab) \ | |
41 | do { \ | |
42 | symtab = symtab_object_to_symtab (symtab_obj); \ | |
43 | if (symtab == NULL) \ | |
44 | { \ | |
45 | PyErr_SetString (PyExc_RuntimeError, \ | |
46 | _("Symbol Table is invalid.")); \ | |
47 | return NULL; \ | |
48 | } \ | |
49 | } while (0) | |
50 | ||
f99b5177 | 51 | struct sal_object { |
f3e9a817 | 52 | PyObject_HEAD |
f3e9a817 PM |
53 | /* The GDB Symbol table and line structure. */ |
54 | struct symtab_and_line *sal; | |
55 | /* A Symtab and line object is associated with an objfile, so keep | |
56 | track with a doubly-linked list, rooted in the objfile. This | |
57 | allows invalidation of the underlying struct symtab_and_line | |
58 | when the objfile is deleted. */ | |
f99b5177 TT |
59 | sal_object *prev; |
60 | sal_object *next; | |
61 | }; | |
f3e9a817 | 62 | |
08b8a139 TT |
63 | /* This is called when an objfile is about to be freed. Invalidate |
64 | the sal object as further actions on the sal would result in bad | |
65 | data. All access to obj->sal should be gated by | |
66 | SALPY_REQUIRE_VALID which will raise an exception on invalid symbol | |
67 | table and line objects. */ | |
d1da7bb4 | 68 | struct salpy_invalidator |
08b8a139 TT |
69 | { |
70 | void operator() (sal_object *obj) | |
71 | { | |
d1da7bb4 JV |
72 | xfree (obj->sal); |
73 | obj->sal = nullptr; | |
08b8a139 TT |
74 | } |
75 | }; | |
76 | ||
e36122e9 | 77 | extern PyTypeObject sal_object_type |
62eec1a5 | 78 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("sal_object"); |
d1da7bb4 JV |
79 | static const gdbpy_registry<gdbpy_tracking_registry_storage<sal_object, |
80 | symtab_and_line, &sal_object::sal, salpy_invalidator>> salpy_registry; | |
f3e9a817 PM |
81 | |
82 | /* Require a valid symbol table and line object. All access to | |
83 | sal_object->sal should be gated by this call. */ | |
84 | #define SALPY_REQUIRE_VALID(sal_obj, sal) \ | |
85 | do { \ | |
86 | sal = sal_object_to_symtab_and_line (sal_obj); \ | |
87 | if (sal == NULL) \ | |
88 | { \ | |
89 | PyErr_SetString (PyExc_RuntimeError, \ | |
90 | _("Symbol Table and Line is invalid.")); \ | |
91 | return NULL; \ | |
92 | } \ | |
93 | } while (0) | |
94 | ||
95 | static PyObject * | |
96 | stpy_str (PyObject *self) | |
97 | { | |
98 | PyObject *result; | |
99 | struct symtab *symtab = NULL; | |
100 | ||
101 | STPY_REQUIRE_VALID (self, symtab); | |
102 | ||
5aee4587 | 103 | result = PyUnicode_FromString (symtab_to_filename_for_display (symtab)); |
f3e9a817 PM |
104 | |
105 | return result; | |
106 | } | |
107 | ||
108 | static PyObject * | |
109 | stpy_get_filename (PyObject *self, void *closure) | |
110 | { | |
111 | PyObject *str_obj; | |
112 | struct symtab *symtab = NULL; | |
05cba821 | 113 | const char *filename; |
f3e9a817 PM |
114 | |
115 | STPY_REQUIRE_VALID (self, symtab); | |
05cba821 | 116 | filename = symtab_to_filename_for_display (symtab); |
f3e9a817 | 117 | |
833d985d | 118 | str_obj = host_string_to_python_string (filename).release (); |
f3e9a817 PM |
119 | return str_obj; |
120 | } | |
121 | ||
122 | static PyObject * | |
123 | stpy_get_objfile (PyObject *self, void *closure) | |
124 | { | |
125 | struct symtab *symtab = NULL; | |
f3e9a817 PM |
126 | |
127 | STPY_REQUIRE_VALID (self, symtab); | |
128 | ||
3c86fae3 | 129 | return objfile_to_objfile_object (symtab->compunit ()->objfile ()).release (); |
f3e9a817 PM |
130 | } |
131 | ||
2b4fd423 DE |
132 | /* Getter function for symtab.producer. */ |
133 | ||
134 | static PyObject * | |
135 | stpy_get_producer (PyObject *self, void *closure) | |
136 | { | |
137 | struct symtab *symtab = NULL; | |
43f3e411 | 138 | struct compunit_symtab *cust; |
2b4fd423 DE |
139 | |
140 | STPY_REQUIRE_VALID (self, symtab); | |
c6159652 | 141 | cust = symtab->compunit (); |
ab5f850e | 142 | if (cust->producer () != nullptr) |
2b4fd423 | 143 | { |
ab5f850e | 144 | const char *producer = cust->producer (); |
2b4fd423 | 145 | |
833d985d | 146 | return host_string_to_python_string (producer).release (); |
2b4fd423 DE |
147 | } |
148 | ||
149 | Py_RETURN_NONE; | |
150 | } | |
151 | ||
f3e9a817 PM |
152 | static PyObject * |
153 | stpy_fullname (PyObject *self, PyObject *args) | |
154 | { | |
0b0865da | 155 | const char *fullname; |
f3e9a817 PM |
156 | struct symtab *symtab = NULL; |
157 | ||
158 | STPY_REQUIRE_VALID (self, symtab); | |
159 | ||
160 | fullname = symtab_to_fullname (symtab); | |
f3e9a817 | 161 | |
833d985d | 162 | return host_string_to_python_string (fullname).release (); |
f3e9a817 PM |
163 | } |
164 | ||
29703da4 PM |
165 | /* Implementation of gdb.Symtab.is_valid (self) -> Boolean. |
166 | Returns True if this Symbol table still exists in GDB. */ | |
167 | ||
168 | static PyObject * | |
169 | stpy_is_valid (PyObject *self, PyObject *args) | |
170 | { | |
171 | struct symtab *symtab = NULL; | |
172 | ||
173 | symtab = symtab_object_to_symtab (self); | |
174 | if (symtab == NULL) | |
175 | Py_RETURN_FALSE; | |
176 | ||
177 | Py_RETURN_TRUE; | |
178 | } | |
179 | ||
a20ee7a4 SCR |
180 | /* Return the GLOBAL_BLOCK of the underlying symtab. */ |
181 | ||
182 | static PyObject * | |
183 | stpy_global_block (PyObject *self, PyObject *args) | |
184 | { | |
185 | struct symtab *symtab = NULL; | |
346d1dfe | 186 | const struct blockvector *blockvector; |
a20ee7a4 SCR |
187 | |
188 | STPY_REQUIRE_VALID (self, symtab); | |
189 | ||
44281e6c | 190 | blockvector = symtab->compunit ()->blockvector (); |
63d609de SM |
191 | const struct block *block = blockvector->global_block (); |
192 | ||
3c86fae3 | 193 | return block_to_block_object (block, symtab->compunit ()->objfile ()); |
a20ee7a4 SCR |
194 | } |
195 | ||
196 | /* Return the STATIC_BLOCK of the underlying symtab. */ | |
197 | ||
198 | static PyObject * | |
199 | stpy_static_block (PyObject *self, PyObject *args) | |
200 | { | |
201 | struct symtab *symtab = NULL; | |
346d1dfe | 202 | const struct blockvector *blockvector; |
a20ee7a4 SCR |
203 | |
204 | STPY_REQUIRE_VALID (self, symtab); | |
205 | ||
44281e6c | 206 | blockvector = symtab->compunit ()->blockvector (); |
63d609de SM |
207 | const struct block *block = blockvector->static_block (); |
208 | ||
3c86fae3 | 209 | return block_to_block_object (block, symtab->compunit ()->objfile ()); |
a20ee7a4 SCR |
210 | } |
211 | ||
4efd80aa CS |
212 | /* Implementation of gdb.Symtab.linetable (self) -> gdb.LineTable. |
213 | Returns a gdb.LineTable object corresponding to this symbol | |
bc79de95 PM |
214 | table. */ |
215 | ||
216 | static PyObject * | |
217 | stpy_get_linetable (PyObject *self, PyObject *args) | |
218 | { | |
219 | struct symtab *symtab = NULL; | |
220 | ||
221 | STPY_REQUIRE_VALID (self, symtab); | |
222 | ||
223 | return symtab_to_linetable_object (self); | |
224 | } | |
225 | ||
f3e9a817 PM |
226 | static PyObject * |
227 | salpy_str (PyObject *self) | |
228 | { | |
05cba821 | 229 | const char *filename; |
f3e9a817 | 230 | sal_object *sal_obj; |
aaefa902 | 231 | struct symtab_and_line *sal = nullptr; |
f3e9a817 PM |
232 | |
233 | SALPY_REQUIRE_VALID (self, sal); | |
234 | ||
235 | sal_obj = (sal_object *) self; | |
aaefa902 | 236 | if (sal_obj->sal->symtab == nullptr) |
7c711119 TT |
237 | filename = "<unknown>"; |
238 | else | |
aaefa902 | 239 | filename = symtab_to_filename_for_display (sal_obj->sal->symtab); |
f3e9a817 | 240 | |
5aee4587 SM |
241 | return PyUnicode_FromFormat ("symbol and line for %s, line %d", filename, |
242 | sal->line); | |
f3e9a817 PM |
243 | } |
244 | ||
245 | static void | |
246 | stpy_dealloc (PyObject *obj) | |
247 | { | |
f55f9247 JV |
248 | symtab_object *symtab_obj = (symtab_object *) obj; |
249 | ||
250 | if (symtab_obj->symtab != nullptr) | |
251 | stpy_registry.remove (symtab_obj->symtab->compunit ()->objfile(), | |
252 | symtab_obj); | |
253 | ||
2e953aca | 254 | Py_TYPE (obj)->tp_free (obj); |
f3e9a817 PM |
255 | } |
256 | ||
257 | ||
258 | static PyObject * | |
259 | salpy_get_pc (PyObject *self, void *closure) | |
260 | { | |
261 | struct symtab_and_line *sal = NULL; | |
262 | ||
263 | SALPY_REQUIRE_VALID (self, sal); | |
264 | ||
d1cab987 | 265 | return gdb_py_object_from_ulongest (sal->pc).release (); |
f3e9a817 PM |
266 | } |
267 | ||
ee0bf529 SCR |
268 | /* Implementation of the get method for the 'last' attribute of |
269 | gdb.Symtab_and_line. */ | |
270 | ||
271 | static PyObject * | |
272 | salpy_get_last (PyObject *self, void *closure) | |
273 | { | |
274 | struct symtab_and_line *sal = NULL; | |
275 | ||
276 | SALPY_REQUIRE_VALID (self, sal); | |
277 | ||
278 | if (sal->end > 0) | |
d1cab987 | 279 | return gdb_py_object_from_ulongest (sal->end - 1).release (); |
ee0bf529 SCR |
280 | else |
281 | Py_RETURN_NONE; | |
282 | } | |
283 | ||
f3e9a817 PM |
284 | static PyObject * |
285 | salpy_get_line (PyObject *self, void *closure) | |
286 | { | |
287 | struct symtab_and_line *sal = NULL; | |
288 | ||
289 | SALPY_REQUIRE_VALID (self, sal); | |
290 | ||
47f0e2ff | 291 | return gdb_py_object_from_longest (sal->line).release (); |
f3e9a817 PM |
292 | } |
293 | ||
294 | static PyObject * | |
295 | salpy_get_symtab (PyObject *self, void *closure) | |
296 | { | |
297 | struct symtab_and_line *sal; | |
f3e9a817 PM |
298 | |
299 | SALPY_REQUIRE_VALID (self, sal); | |
300 | ||
aaefa902 JV |
301 | if (sal->symtab == nullptr) |
302 | Py_RETURN_NONE; | |
303 | else | |
304 | return symtab_to_symtab_object (sal->symtab); | |
f3e9a817 PM |
305 | } |
306 | ||
29703da4 PM |
307 | /* Implementation of gdb.Symtab_and_line.is_valid (self) -> Boolean. |
308 | Returns True if this Symbol table and line object still exists GDB. */ | |
309 | ||
310 | static PyObject * | |
311 | salpy_is_valid (PyObject *self, PyObject *args) | |
312 | { | |
313 | struct symtab_and_line *sal; | |
314 | ||
315 | sal = sal_object_to_symtab_and_line (self); | |
316 | if (sal == NULL) | |
317 | Py_RETURN_FALSE; | |
318 | ||
319 | Py_RETURN_TRUE; | |
320 | } | |
321 | ||
f3e9a817 PM |
322 | static void |
323 | salpy_dealloc (PyObject *self) | |
324 | { | |
325 | sal_object *self_sal = (sal_object *) self; | |
326 | ||
d1da7bb4 JV |
327 | if (self_sal->sal != nullptr && self_sal->sal->symtab != nullptr) |
328 | salpy_registry.remove (self_sal->sal->symtab->compunit ()->objfile (), | |
329 | self_sal); | |
f3e9a817 | 330 | |
f3e9a817 | 331 | xfree (self_sal->sal); |
9a27f2c6 | 332 | Py_TYPE (self)->tp_free (self); |
f3e9a817 PM |
333 | } |
334 | ||
b021a221 MS |
335 | /* Given a sal, and a sal_object that has previously been allocated |
336 | and initialized, populate the sal_object with the struct sal data. | |
337 | Also, register the sal_object life-cycle with the life-cycle of the | |
338 | object file associated with this sal, if needed. If a failure | |
33ee792f | 339 | occurs during the sal population, this function will return -1. */ |
aaefa902 | 340 | static void |
f3e9a817 PM |
341 | set_sal (sal_object *sal_obj, struct symtab_and_line sal) |
342 | { | |
224c3ddb SM |
343 | sal_obj->sal = ((struct symtab_and_line *) |
344 | xmemdup (&sal, sizeof (struct symtab_and_line), | |
345 | sizeof (struct symtab_and_line))); | |
d1da7bb4 JV |
346 | sal_obj->prev = nullptr; |
347 | sal_obj->next = nullptr; | |
f3e9a817 PM |
348 | |
349 | /* If the SAL does not have a symtab, we do not add it to the | |
350 | objfile cleanup observer linked list. */ | |
aaefa902 JV |
351 | symtab *symtab = sal_obj->sal->symtab; |
352 | if (symtab != nullptr) | |
d1da7bb4 | 353 | salpy_registry.add (symtab->compunit ()->objfile (), sal_obj); |
f3e9a817 PM |
354 | } |
355 | ||
356 | /* Given a symtab, and a symtab_object that has previously been | |
357 | allocated and initialized, populate the symtab_object with the | |
358 | struct symtab data. Also, register the symtab_object life-cycle | |
b021a221 | 359 | with the life-cycle of the object file associated with this |
f3e9a817 PM |
360 | symtab, if needed. */ |
361 | static void | |
362 | set_symtab (symtab_object *obj, struct symtab *symtab) | |
363 | { | |
364 | obj->symtab = symtab; | |
14b8ef75 | 365 | if (symtab != nullptr) |
f55f9247 | 366 | stpy_registry.add (symtab->compunit ()->objfile (), obj); |
f3e9a817 PM |
367 | } |
368 | ||
369 | /* Create a new symbol table (gdb.Symtab) object that encapsulates the | |
370 | symtab structure from GDB. */ | |
371 | PyObject * | |
372 | symtab_to_symtab_object (struct symtab *symtab) | |
373 | { | |
374 | symtab_object *symtab_obj; | |
375 | ||
14b8ef75 JV |
376 | /* Look if there's already a gdb.Symtab object for given SYMTAB |
377 | and if so, return it. */ | |
378 | if (symtab != nullptr) | |
379 | { | |
f55f9247 JV |
380 | symtab_obj = stpy_registry.lookup (symtab->compunit ()->objfile (), |
381 | symtab); | |
382 | if (symtab_obj != nullptr) | |
383 | return (PyObject*)symtab_obj; | |
14b8ef75 JV |
384 | } |
385 | ||
f3e9a817 PM |
386 | symtab_obj = PyObject_New (symtab_object, &symtab_object_type); |
387 | if (symtab_obj) | |
388 | set_symtab (symtab_obj, symtab); | |
389 | ||
390 | return (PyObject *) symtab_obj; | |
391 | } | |
392 | ||
393 | /* Create a new symtab and line (gdb.Symtab_and_line) object | |
394 | that encapsulates the symtab_and_line structure from GDB. */ | |
395 | PyObject * | |
396 | symtab_and_line_to_sal_object (struct symtab_and_line sal) | |
f3e9a817 | 397 | { |
aaefa902 JV |
398 | sal_object *sal_obj; |
399 | ||
400 | sal_obj = PyObject_New (sal_object, &sal_object_type); | |
401 | if (sal_obj != nullptr) | |
402 | set_sal (sal_obj, sal); | |
f3e9a817 | 403 | |
aaefa902 | 404 | return (PyObject *) sal_obj; |
f3e9a817 PM |
405 | } |
406 | ||
407 | /* Return struct symtab_and_line reference that is wrapped by this | |
408 | object. */ | |
409 | struct symtab_and_line * | |
410 | sal_object_to_symtab_and_line (PyObject *obj) | |
411 | { | |
412 | if (! PyObject_TypeCheck (obj, &sal_object_type)) | |
413 | return NULL; | |
414 | return ((sal_object *) obj)->sal; | |
415 | } | |
416 | ||
417 | /* Return struct symtab reference that is wrapped by this object. */ | |
418 | struct symtab * | |
419 | symtab_object_to_symtab (PyObject *obj) | |
420 | { | |
421 | if (! PyObject_TypeCheck (obj, &symtab_object_type)) | |
422 | return NULL; | |
423 | return ((symtab_object *) obj)->symtab; | |
424 | } | |
425 | ||
3965bff5 | 426 | static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION |
f3e9a817 PM |
427 | gdbpy_initialize_symtabs (void) |
428 | { | |
429 | symtab_object_type.tp_new = PyType_GenericNew; | |
336bb2a1 | 430 | if (gdbpy_type_ready (&symtab_object_type) < 0) |
999633ed | 431 | return -1; |
f3e9a817 PM |
432 | |
433 | sal_object_type.tp_new = PyType_GenericNew; | |
336bb2a1 | 434 | if (gdbpy_type_ready (&sal_object_type) < 0) |
999633ed | 435 | return -1; |
f3e9a817 | 436 | |
336bb2a1 | 437 | return 0; |
f3e9a817 PM |
438 | } |
439 | ||
3965bff5 AB |
440 | GDBPY_INITIALIZE_FILE (gdbpy_initialize_symtabs); |
441 | ||
f3e9a817 PM |
442 | \f |
443 | ||
0d1f4ceb | 444 | static gdb_PyGetSetDef symtab_object_getset[] = { |
f3e9a817 PM |
445 | { "filename", stpy_get_filename, NULL, |
446 | "The symbol table's source filename.", NULL }, | |
447 | { "objfile", stpy_get_objfile, NULL, "The symtab's objfile.", | |
448 | NULL }, | |
2b4fd423 DE |
449 | { "producer", stpy_get_producer, NULL, |
450 | "The name/version of the program that compiled this symtab.", NULL }, | |
f3e9a817 PM |
451 | {NULL} /* Sentinel */ |
452 | }; | |
453 | ||
454 | static PyMethodDef symtab_object_methods[] = { | |
29703da4 PM |
455 | { "is_valid", stpy_is_valid, METH_NOARGS, |
456 | "is_valid () -> Boolean.\n\ | |
457 | Return true if this symbol table is valid, false if not." }, | |
f3e9a817 PM |
458 | { "fullname", stpy_fullname, METH_NOARGS, |
459 | "fullname () -> String.\n\ | |
460 | Return the symtab's full source filename." }, | |
a20ee7a4 SCR |
461 | { "global_block", stpy_global_block, METH_NOARGS, |
462 | "global_block () -> gdb.Block.\n\ | |
463 | Return the global block of the symbol table." }, | |
464 | { "static_block", stpy_static_block, METH_NOARGS, | |
465 | "static_block () -> gdb.Block.\n\ | |
466 | Return the static block of the symbol table." }, | |
bc79de95 | 467 | { "linetable", stpy_get_linetable, METH_NOARGS, |
4efd80aa CS |
468 | "linetable () -> gdb.LineTable.\n\ |
469 | Return the LineTable associated with this symbol table" }, | |
f3e9a817 PM |
470 | {NULL} /* Sentinel */ |
471 | }; | |
472 | ||
e36122e9 | 473 | PyTypeObject symtab_object_type = { |
9a27f2c6 | 474 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
475 | "gdb.Symtab", /*tp_name*/ |
476 | sizeof (symtab_object), /*tp_basicsize*/ | |
477 | 0, /*tp_itemsize*/ | |
f55f9247 | 478 | stpy_dealloc, /*tp_dealloc*/ |
f3e9a817 PM |
479 | 0, /*tp_print*/ |
480 | 0, /*tp_getattr*/ | |
481 | 0, /*tp_setattr*/ | |
482 | 0, /*tp_compare*/ | |
483 | 0, /*tp_repr*/ | |
484 | 0, /*tp_as_number*/ | |
485 | 0, /*tp_as_sequence*/ | |
486 | 0, /*tp_as_mapping*/ | |
487 | 0, /*tp_hash */ | |
488 | 0, /*tp_call*/ | |
489 | stpy_str, /*tp_str*/ | |
490 | 0, /*tp_getattro*/ | |
491 | 0, /*tp_setattro*/ | |
492 | 0, /*tp_as_buffer*/ | |
493 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
494 | "GDB symtab object", /*tp_doc */ | |
495 | 0, /*tp_traverse */ | |
496 | 0, /*tp_clear */ | |
497 | 0, /*tp_richcompare */ | |
498 | 0, /*tp_weaklistoffset */ | |
499 | 0, /*tp_iter */ | |
500 | 0, /*tp_iternext */ | |
501 | symtab_object_methods, /*tp_methods */ | |
502 | 0, /*tp_members */ | |
503 | symtab_object_getset /*tp_getset */ | |
504 | }; | |
505 | ||
0d1f4ceb | 506 | static gdb_PyGetSetDef sal_object_getset[] = { |
f3e9a817 PM |
507 | { "symtab", salpy_get_symtab, NULL, "Symtab object.", NULL }, |
508 | { "pc", salpy_get_pc, NULL, "Return the symtab_and_line's pc.", NULL }, | |
ee0bf529 SCR |
509 | { "last", salpy_get_last, NULL, |
510 | "Return the symtab_and_line's last address.", NULL }, | |
f3e9a817 PM |
511 | { "line", salpy_get_line, NULL, |
512 | "Return the symtab_and_line's line.", NULL }, | |
513 | {NULL} /* Sentinel */ | |
514 | }; | |
515 | ||
29703da4 PM |
516 | static PyMethodDef sal_object_methods[] = { |
517 | { "is_valid", salpy_is_valid, METH_NOARGS, | |
518 | "is_valid () -> Boolean.\n\ | |
519 | Return true if this symbol table and line is valid, false if not." }, | |
520 | {NULL} /* Sentinel */ | |
521 | }; | |
522 | ||
e36122e9 | 523 | PyTypeObject sal_object_type = { |
9a27f2c6 | 524 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
525 | "gdb.Symtab_and_line", /*tp_name*/ |
526 | sizeof (sal_object), /*tp_basicsize*/ | |
527 | 0, /*tp_itemsize*/ | |
528 | salpy_dealloc, /*tp_dealloc*/ | |
529 | 0, /*tp_print*/ | |
530 | 0, /*tp_getattr*/ | |
531 | 0, /*tp_setattr*/ | |
532 | 0, /*tp_compare*/ | |
533 | 0, /*tp_repr*/ | |
534 | 0, /*tp_as_number*/ | |
535 | 0, /*tp_as_sequence*/ | |
536 | 0, /*tp_as_mapping*/ | |
537 | 0, /*tp_hash */ | |
538 | 0, /*tp_call*/ | |
539 | salpy_str, /*tp_str*/ | |
540 | 0, /*tp_getattro*/ | |
541 | 0, /*tp_setattro*/ | |
542 | 0, /*tp_as_buffer*/ | |
543 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
544 | "GDB symtab_and_line object", /*tp_doc */ | |
545 | 0, /*tp_traverse */ | |
546 | 0, /*tp_clear */ | |
547 | 0, /*tp_richcompare */ | |
548 | 0, /*tp_weaklistoffset */ | |
549 | 0, /*tp_iter */ | |
550 | 0, /*tp_iternext */ | |
29703da4 | 551 | sal_object_methods, /*tp_methods */ |
f3e9a817 PM |
552 | 0, /*tp_members */ |
553 | sal_object_getset /*tp_getset */ | |
554 | }; |