1 /* Python interface to record targets.
3 Copyright 2016-2017 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
21 #include "py-instruction.h"
22 #include "py-record.h"
23 #include "py-record-btrace.h"
24 #include "py-record-full.h"
27 /* Python Record type. */
29 static PyTypeObject recpy_record_type = {
30 PyVarObject_HEAD_INIT (NULL, 0)
33 /* Python RecordInstruction type. */
35 PyTypeObject recpy_insn_type = {
36 PyVarObject_HEAD_INIT (NULL, 0)
39 /* Python RecordFunctionSegment type. */
41 PyTypeObject recpy_func_type = {
42 PyVarObject_HEAD_INIT (NULL, 0)
45 /* Python RecordGap type. */
47 PyTypeObject recpy_gap_type = {
48 PyVarObject_HEAD_INIT (NULL, 0)
51 /* Python RecordGap object. */
60 const char *reason_string;
66 /* Implementation of record.method. */
69 recpy_method (PyObject *self, void* closure)
71 const recpy_record_object * const obj = (recpy_record_object *) self;
73 if (obj->method == RECORD_METHOD_FULL)
74 return recpy_full_method (self, closure);
76 if (obj->method == RECORD_METHOD_BTRACE)
77 return recpy_bt_method (self, closure);
79 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
82 /* Implementation of record.format. */
85 recpy_format (PyObject *self, void* closure)
87 const recpy_record_object * const obj = (recpy_record_object *) self;
89 if (obj->method == RECORD_METHOD_FULL)
90 return recpy_full_format (self, closure);
92 if (obj->method == RECORD_METHOD_BTRACE)
93 return recpy_bt_format (self, closure);
95 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
98 /* Implementation of record.goto (instruction) -> None. */
101 recpy_goto (PyObject *self, PyObject *value)
103 const recpy_record_object * const obj = (recpy_record_object *) self;
105 if (obj->method == RECORD_METHOD_BTRACE)
106 return recpy_bt_goto (self, value);
108 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
111 /* Implementation of record.replay_position [instruction] */
114 recpy_replay_position (PyObject *self, void *closure)
116 const recpy_record_object * const obj = (recpy_record_object *) self;
118 if (obj->method == RECORD_METHOD_BTRACE)
119 return recpy_bt_replay_position (self, closure);
121 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
124 /* Implementation of record.instruction_history [list]. */
127 recpy_instruction_history (PyObject *self, void* closure)
129 const recpy_record_object * const obj = (recpy_record_object *) self;
131 if (obj->method == RECORD_METHOD_BTRACE)
132 return recpy_bt_instruction_history (self, closure);
134 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
137 /* Implementation of record.function_call_history [list]. */
140 recpy_function_call_history (PyObject *self, void* closure)
142 const recpy_record_object * const obj = (recpy_record_object *) self;
144 if (obj->method == RECORD_METHOD_BTRACE)
145 return recpy_bt_function_call_history (self, closure);
147 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
150 /* Implementation of record.begin [instruction]. */
153 recpy_begin (PyObject *self, void* closure)
155 const recpy_record_object * const obj = (recpy_record_object *) self;
157 if (obj->method == RECORD_METHOD_BTRACE)
158 return recpy_bt_begin (self, closure);
160 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
163 /* Implementation of record.end [instruction]. */
166 recpy_end (PyObject *self, void* closure)
168 const recpy_record_object * const obj = (recpy_record_object *) self;
170 if (obj->method == RECORD_METHOD_BTRACE)
171 return recpy_bt_end (self, closure);
173 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
176 /* Create a new gdb.RecordInstruction object. */
179 recpy_insn_new (ptid_t ptid, enum record_method method, Py_ssize_t number)
181 recpy_element_object * const obj = PyObject_New (recpy_element_object,
188 obj->method = method;
189 obj->number = number;
191 return (PyObject *) obj;
194 /* Implementation of RecordInstruction.sal [gdb.Symtab_and_line]. */
197 recpy_insn_sal (PyObject *self, void *closure)
199 const recpy_element_object * const obj = (recpy_element_object *) self;
201 if (obj->method == RECORD_METHOD_BTRACE)
202 return recpy_bt_insn_sal (self, closure);
204 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
207 /* Implementation of RecordInstruction.pc [int]. */
210 recpy_insn_pc (PyObject *self, void *closure)
212 const recpy_element_object * const obj = (recpy_element_object *) self;
214 if (obj->method == RECORD_METHOD_BTRACE)
215 return recpy_bt_insn_pc (self, closure);
217 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
220 /* Implementation of RecordInstruction.data [buffer]. */
223 recpy_insn_data (PyObject *self, void *closure)
225 const recpy_element_object * const obj = (recpy_element_object *) self;
227 if (obj->method == RECORD_METHOD_BTRACE)
228 return recpy_bt_insn_data (self, closure);
230 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
233 /* Implementation of RecordInstruction.decoded [str]. */
236 recpy_insn_decoded (PyObject *self, void *closure)
238 const recpy_element_object * const obj = (recpy_element_object *) self;
240 if (obj->method == RECORD_METHOD_BTRACE)
241 return recpy_bt_insn_decoded (self, closure);
243 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
246 /* Implementation of RecordInstruction.size [int]. */
249 recpy_insn_size (PyObject *self, void *closure)
251 const recpy_element_object * const obj = (recpy_element_object *) self;
253 if (obj->method == RECORD_METHOD_BTRACE)
254 return recpy_bt_insn_size (self, closure);
256 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
259 /* Implementation of RecordInstruction.is_speculative [bool]. */
262 recpy_insn_is_speculative (PyObject *self, void *closure)
264 const recpy_element_object * const obj = (recpy_element_object *) self;
266 if (obj->method == RECORD_METHOD_BTRACE)
267 return recpy_bt_insn_is_speculative (self, closure);
269 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
272 /* Create a new gdb.RecordFunctionSegment object. */
275 recpy_func_new (ptid_t ptid, enum record_method method, Py_ssize_t number)
277 recpy_element_object * const obj = PyObject_New (recpy_element_object,
284 obj->method = method;
285 obj->number = number;
287 return (PyObject *) obj;
290 /* Implementation of RecordFunctionSegment.level [int]. */
293 recpy_func_level (PyObject *self, void *closure)
295 const recpy_element_object * const obj = (recpy_element_object *) self;
297 if (obj->method == RECORD_METHOD_BTRACE)
298 return recpy_bt_func_level (self, closure);
300 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
303 /* Implementation of RecordFunctionSegment.symbol [gdb.Symbol]. */
306 recpy_func_symbol (PyObject *self, void *closure)
308 const recpy_element_object * const obj = (recpy_element_object *) self;
310 if (obj->method == RECORD_METHOD_BTRACE)
311 return recpy_bt_func_symbol (self, closure);
313 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
316 /* Implementation of RecordFunctionSegment.instructions [list]. */
319 recpy_func_instructions (PyObject *self, void *closure)
321 const recpy_element_object * const obj = (recpy_element_object *) self;
323 if (obj->method == RECORD_METHOD_BTRACE)
324 return recpy_bt_func_instructions (self, closure);
326 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
329 /* Implementation of RecordFunctionSegment.up [RecordFunctionSegment]. */
332 recpy_func_up (PyObject *self, void *closure)
334 const recpy_element_object * const obj = (recpy_element_object *) self;
336 if (obj->method == RECORD_METHOD_BTRACE)
337 return recpy_bt_func_up (self, closure);
339 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
342 /* Implementation of RecordFunctionSegment.prev [RecordFunctionSegment]. */
345 recpy_func_prev (PyObject *self, void *closure)
347 const recpy_element_object * const obj = (recpy_element_object *) self;
349 if (obj->method == RECORD_METHOD_BTRACE)
350 return recpy_bt_func_prev (self, closure);
352 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
355 /* Implementation of RecordFunctionSegment.next [RecordFunctionSegment]. */
358 recpy_func_next (PyObject *self, void *closure)
360 const recpy_element_object * const obj = (recpy_element_object *) self;
362 if (obj->method == RECORD_METHOD_BTRACE)
363 return recpy_bt_func_next (self, closure);
365 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
368 /* Implementation of RecordInstruction.number [int] and
369 RecordFunctionSegment.number [int]. */
372 recpy_element_number (PyObject *self, void* closure)
374 const recpy_element_object * const obj = (recpy_element_object *) self;
376 return PyInt_FromSsize_t (obj->number);
379 /* Implementation of RecordInstruction.__hash__ [int] and
380 RecordFunctionSegment.__hash__ [int]. */
383 recpy_element_hash (PyObject *self)
385 const recpy_element_object * const obj = (recpy_element_object *) self;
390 /* Implementation of operator == and != of RecordInstruction and
391 RecordFunctionSegment. */
394 recpy_element_richcompare (PyObject *self, PyObject *other, int op)
396 const recpy_element_object * const obj1 = (recpy_element_object *) self;
397 const recpy_element_object * const obj2 = (recpy_element_object *) other;
399 if (Py_TYPE (self) != Py_TYPE (other))
401 Py_INCREF (Py_NotImplemented);
402 return Py_NotImplemented;
408 if (ptid_equal (obj1->ptid, obj2->ptid)
409 && obj1->method == obj2->method
410 && obj1->number == obj2->number)
416 if (!ptid_equal (obj1->ptid, obj2->ptid)
417 || obj1->method != obj2->method
418 || obj1->number != obj2->number)
427 Py_INCREF (Py_NotImplemented);
428 return Py_NotImplemented;
431 /* Create a new gdb.RecordGap object. */
434 recpy_gap_new (int reason_code, const char *reason_string, Py_ssize_t number)
436 recpy_gap_object * const obj = PyObject_New (recpy_gap_object,
442 obj->reason_code = reason_code;
443 obj->reason_string = reason_string;
444 obj->number = number;
446 return (PyObject *) obj;
449 /* Implementation of RecordGap.number [int]. */
452 recpy_gap_number (PyObject *self, void *closure)
454 const recpy_gap_object * const obj = (const recpy_gap_object *) self;
456 return PyInt_FromSsize_t (obj->number);
459 /* Implementation of RecordGap.error_code [int]. */
462 recpy_gap_reason_code (PyObject *self, void *closure)
464 const recpy_gap_object * const obj = (const recpy_gap_object *) self;
466 return PyInt_FromLong (obj->reason_code);
469 /* Implementation of RecordGap.error_string [str]. */
472 recpy_gap_reason_string (PyObject *self, void *closure)
474 const recpy_gap_object * const obj = (const recpy_gap_object *) self;
476 return PyString_FromString (obj->reason_string);
479 /* Record method list. */
481 static PyMethodDef recpy_record_methods[] = {
482 { "goto", recpy_goto, METH_VARARGS,
483 "goto (instruction|function_call) -> None.\n\
484 Rewind to given location."},
488 /* Record member list. */
490 static gdb_PyGetSetDef recpy_record_getset[] = {
491 { "method", recpy_method, NULL, "Current recording method.", NULL },
492 { "format", recpy_format, NULL, "Current recording format.", NULL },
493 { "replay_position", recpy_replay_position, NULL, "Current replay position.",
495 { "instruction_history", recpy_instruction_history, NULL,
496 "List of instructions in current recording.", NULL },
497 { "function_call_history", recpy_function_call_history, NULL,
498 "List of function calls in current recording.", NULL },
499 { "begin", recpy_begin, NULL,
500 "First instruction in current recording.", NULL },
501 { "end", recpy_end, NULL,
502 "One past the last instruction in current recording. This is typically \
503 the current instruction and is used for e.g. record.goto (record.end).", NULL },
507 /* RecordInstruction member list. */
509 static gdb_PyGetSetDef recpy_insn_getset[] = {
510 { "number", recpy_element_number, NULL, "instruction number", NULL},
511 { "sal", recpy_insn_sal, NULL, "associated symbol and line", NULL},
512 { "pc", recpy_insn_pc, NULL, "instruction address", NULL},
513 { "data", recpy_insn_data, NULL, "raw instruction data", NULL},
514 { "decoded", recpy_insn_decoded, NULL, "decoded instruction", NULL},
515 { "size", recpy_insn_size, NULL, "instruction size in byte", NULL},
516 { "is_speculative", recpy_insn_is_speculative, NULL, "if the instruction was \
517 executed speculatively", NULL},
521 /* RecordFunctionSegment member list. */
523 static gdb_PyGetSetDef recpy_func_getset[] = {
524 { "number", recpy_element_number, NULL, "function segment number", NULL},
525 { "level", recpy_func_level, NULL, "call stack level", NULL},
526 { "symbol", recpy_func_symbol, NULL, "associated line and symbol", NULL},
527 { "instructions", recpy_func_instructions, NULL, "list of instructions in \
528 this function segment", NULL},
529 { "up", recpy_func_up, NULL, "caller or returned-to function segment", NULL},
530 { "prev", recpy_func_prev, NULL, "previous segment of this function", NULL},
531 { "next", recpy_func_next, NULL, "next segment of this function", NULL},
535 /* RecordGap member list. */
537 static gdb_PyGetSetDef recpy_gap_getset[] = {
538 { "number", recpy_gap_number, NULL, "element number", NULL},
539 { "reason_code", recpy_gap_reason_code, NULL, "reason code", NULL},
540 { "reason_string", recpy_gap_reason_string, NULL, "reason string", NULL},
544 /* Sets up the record API in the gdb module. */
547 gdbpy_initialize_record (void)
549 recpy_record_type.tp_new = PyType_GenericNew;
550 recpy_record_type.tp_flags = Py_TPFLAGS_DEFAULT;
551 recpy_record_type.tp_basicsize = sizeof (recpy_record_object);
552 recpy_record_type.tp_name = "gdb.Record";
553 recpy_record_type.tp_doc = "GDB record object";
554 recpy_record_type.tp_methods = recpy_record_methods;
555 recpy_record_type.tp_getset = recpy_record_getset;
557 recpy_insn_type.tp_new = PyType_GenericNew;
558 recpy_insn_type.tp_flags = Py_TPFLAGS_DEFAULT;
559 recpy_insn_type.tp_basicsize = sizeof (recpy_element_object);
560 recpy_insn_type.tp_name = "gdb.RecordInstruction";
561 recpy_insn_type.tp_doc = "GDB recorded instruction object";
562 recpy_insn_type.tp_getset = recpy_insn_getset;
563 recpy_insn_type.tp_richcompare = recpy_element_richcompare;
564 recpy_insn_type.tp_hash = recpy_element_hash;
565 recpy_insn_type.tp_base = &py_insn_type;
567 recpy_func_type.tp_new = PyType_GenericNew;
568 recpy_func_type.tp_flags = Py_TPFLAGS_DEFAULT;
569 recpy_func_type.tp_basicsize = sizeof (recpy_element_object);
570 recpy_func_type.tp_name = "gdb.RecordFunctionSegment";
571 recpy_func_type.tp_doc = "GDB record function segment object";
572 recpy_func_type.tp_getset = recpy_func_getset;
573 recpy_func_type.tp_richcompare = recpy_element_richcompare;
574 recpy_func_type.tp_hash = recpy_element_hash;
576 recpy_gap_type.tp_new = PyType_GenericNew;
577 recpy_gap_type.tp_flags = Py_TPFLAGS_DEFAULT;
578 recpy_gap_type.tp_basicsize = sizeof (recpy_gap_object);
579 recpy_gap_type.tp_name = "gdb.RecordGap";
580 recpy_gap_type.tp_doc = "GDB recorded gap object";
581 recpy_gap_type.tp_getset = recpy_gap_getset;
583 if (PyType_Ready (&recpy_record_type) < 0
584 || PyType_Ready (&recpy_insn_type) < 0
585 || PyType_Ready (&recpy_func_type) < 0
586 || PyType_Ready (&recpy_gap_type) < 0)
592 /* Implementation of gdb.start_recording (method) -> gdb.Record. */
595 gdbpy_start_recording (PyObject *self, PyObject *args)
597 const char *method = NULL;
598 const char *format = NULL;
599 PyObject *ret = NULL;
601 if (!PyArg_ParseTuple (args, "|ss", &method, &format))
606 record_start (method, format, 0);
607 ret = gdbpy_current_recording (self, args);
609 CATCH (except, RETURN_MASK_ALL)
611 gdbpy_convert_exception (except);
618 /* Implementation of gdb.current_recording (self) -> gdb.Record. */
621 gdbpy_current_recording (PyObject *self, PyObject *args)
623 recpy_record_object *ret = NULL;
625 if (find_record_target () == NULL)
628 ret = PyObject_New (recpy_record_object, &recpy_record_type);
629 ret->ptid = inferior_ptid;
630 ret->method = target_record_method (inferior_ptid);
632 return (PyObject *) ret;
635 /* Implementation of gdb.stop_recording (self) -> None. */
638 gdbpy_stop_recording (PyObject *self, PyObject *args)
640 PyObject *ret = NULL;
648 CATCH (except, RETURN_MASK_ALL)
650 gdbpy_convert_exception (except);