1 /* Python interface to instruction objects.
3 Copyright 2017-2022 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"
23 /* Python type object for the abstract gdb.Instruction class. This class
24 contains getters for four elements: "pc" (int), "data" (buffer), "decode"
25 (str) and "size" (int) that must be overridden by sub classes. */
27 PyTypeObject py_insn_type = {
28 PyVarObject_HEAD_INIT (NULL, 0)
31 /* Python instruction object. */
37 /* Getter function for gdb.Instruction attributes. */
40 py_insn_getter (PyObject *self, void *closure)
42 return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
45 /* Instruction members. */
47 static gdb_PyGetSetDef py_insn_getset[] =
49 { "pc", py_insn_getter, NULL, "instruction address", NULL},
50 { "data", py_insn_getter, NULL, "instruction memory", NULL},
51 { "decoded", py_insn_getter, NULL, "decoded instruction", NULL},
52 { "size", py_insn_getter, NULL, "instruction size in bytes", NULL},
56 /* See py-instruction.h. */
59 py_insn_get_insn_type ()
61 if (py_insn_type.tp_new == nullptr)
63 py_insn_type.tp_new = PyType_GenericNew;
64 py_insn_type.tp_flags = Py_TPFLAGS_DEFAULT;
65 py_insn_type.tp_basicsize = sizeof (py_insn_obj);
66 py_insn_type.tp_name = "gdb.Instruction";
67 py_insn_type.tp_doc = "GDB instruction object";
68 py_insn_type.tp_getset = py_insn_getset;
70 if (PyType_Ready (&py_insn_type) < 0)
72 /* Reset the tp_new field so any subsequent calls to this
73 function will retry to make the type ready. */
74 py_insn_type.tp_new = nullptr;
82 /* Sets up the gdb.Instruction type. */
85 gdbpy_initialize_instruction (void)
87 if (py_insn_get_insn_type () == nullptr)