276 lines
7.3 KiB
C
276 lines
7.3 KiB
C
/* Python interface to record targets.
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Copyright 2016-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "inferior.h"
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#include "record.h"
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#include "python-internal.h"
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#include "py-record-btrace.h"
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#include "py-record-full.h"
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#include "target.h"
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/* Python Record object. */
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typedef struct
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{
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PyObject_HEAD
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/* The ptid this object refers to. */
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ptid_t ptid;
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/* The current recording method. */
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enum record_method method;
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} recpy_record_object;
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/* Python Record type. */
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static PyTypeObject recpy_record_type = {
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PyVarObject_HEAD_INIT (NULL, 0)
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};
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/* Implementation of record.ptid. */
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static PyObject *
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recpy_ptid (PyObject *self, void* closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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return gdbpy_create_ptid_object (obj->ptid);
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}
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/* Implementation of record.method. */
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static PyObject *
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recpy_method (PyObject *self, void* closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_FULL)
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return recpy_full_method (self, closure);
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_method (self, closure);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Implementation of record.format. */
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static PyObject *
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recpy_format (PyObject *self, void* closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_FULL)
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return recpy_full_format (self, closure);
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_format (self, closure);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Implementation of record.goto (instruction) -> None. */
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static PyObject *
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recpy_goto (PyObject *self, PyObject *value)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_goto (self, value);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Implementation of record.replay_position [instruction] */
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static PyObject *
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recpy_replay_position (PyObject *self, void *closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_replay_position (self, closure);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Implementation of record.instruction_history [list]. */
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static PyObject *
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recpy_instruction_history (PyObject *self, void* closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_instruction_history (self, closure);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Implementation of record.function_call_history [list]. */
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static PyObject *
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recpy_function_call_history (PyObject *self, void* closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_function_call_history (self, closure);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Implementation of record.begin [instruction]. */
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static PyObject *
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recpy_begin (PyObject *self, void* closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_begin (self, closure);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Implementation of record.end [instruction]. */
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static PyObject *
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recpy_end (PyObject *self, void* closure)
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{
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const recpy_record_object * const obj = (recpy_record_object *) self;
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if (obj->method == RECORD_METHOD_BTRACE)
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return recpy_bt_end (self, closure);
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return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
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}
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/* Record method list. */
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static PyMethodDef recpy_record_methods[] = {
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{ "goto", recpy_goto, METH_VARARGS,
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"goto (instruction|function_call) -> None.\n\
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Rewind to given location."},
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{ NULL }
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};
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/* Record member list. */
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static PyGetSetDef recpy_record_getset[] = {
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{ "ptid", recpy_ptid, NULL, "Current thread.", NULL },
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{ "method", recpy_method, NULL, "Current recording method.", NULL },
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{ "format", recpy_format, NULL, "Current recording format.", NULL },
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{ "replay_position", recpy_replay_position, NULL, "Current replay position.",
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NULL },
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{ "instruction_history", recpy_instruction_history, NULL,
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"List of instructions in current recording.", NULL },
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{ "function_call_history", recpy_function_call_history, NULL,
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"List of function calls in current recording.", NULL },
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{ "begin", recpy_begin, NULL,
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"First instruction in current recording.", NULL },
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{ "end", recpy_end, NULL,
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"One past the last instruction in current recording. This is typically \
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the current instruction and is used for e.g. record.goto (record.end).", NULL },
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{ NULL }
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};
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/* Sets up the record API in the gdb module. */
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int
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gdbpy_initialize_record (void)
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{
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recpy_record_type.tp_new = PyType_GenericNew;
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recpy_record_type.tp_flags = Py_TPFLAGS_DEFAULT;
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recpy_record_type.tp_basicsize = sizeof (recpy_record_object);
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recpy_record_type.tp_name = "gdb.Record";
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recpy_record_type.tp_doc = "GDB record object";
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recpy_record_type.tp_methods = recpy_record_methods;
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recpy_record_type.tp_getset = recpy_record_getset;
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return PyType_Ready (&recpy_record_type);
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}
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/* Implementation of gdb.start_recording (method) -> gdb.Record. */
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PyObject *
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gdbpy_start_recording (PyObject *self, PyObject *args)
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{
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const char *method = NULL;
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const char *format = NULL;
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PyObject *ret = NULL;
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if (!PyArg_ParseTuple (args, "|ss", &method, &format))
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return NULL;
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TRY
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{
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record_start (method, format, 0);
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ret = gdbpy_current_recording (self, args);
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}
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CATCH (except, RETURN_MASK_ALL)
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{
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gdbpy_convert_exception (except);
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}
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END_CATCH
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return ret;
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}
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/* Implementation of gdb.current_recording (self) -> gdb.Record. */
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PyObject *
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gdbpy_current_recording (PyObject *self, PyObject *args)
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{
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recpy_record_object *ret = NULL;
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if (find_record_target () == NULL)
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Py_RETURN_NONE;
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ret = PyObject_New (recpy_record_object, &recpy_record_type);
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ret->ptid = inferior_ptid;
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ret->method = target_record_method (inferior_ptid);
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return (PyObject *) ret;
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}
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/* Implementation of gdb.stop_recording (self) -> None. */
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PyObject *
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gdbpy_stop_recording (PyObject *self, PyObject *args)
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{
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PyObject *ret = NULL;
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TRY
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{
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record_stop (0);
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ret = Py_None;
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Py_INCREF (Py_None);
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}
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CATCH (except, RETURN_MASK_ALL)
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{
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gdbpy_convert_exception (except);
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}
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END_CATCH
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return ret;
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}
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