1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/* Python interface to objfiles.
Copyright (C) 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "python-internal.h"
#include "charset.h"
#include "objfiles.h"
#include "language.h"
typedef struct
{
PyObject_HEAD
/* The corresponding objfile. */
struct objfile *objfile;
/* The pretty-printer list of functions. */
PyObject *printers;
} objfile_object;
static PyTypeObject objfile_object_type;
static const struct objfile_data *objfpy_objfile_data_key;
/* An Objfile method which returns the objfile's file name, or None. */
static PyObject *
objfpy_get_filename (PyObject *self, void *closure)
{
objfile_object *obj = (objfile_object *) self;
if (obj->objfile && obj->objfile->name)
return PyString_Decode (obj->objfile->name, strlen (obj->objfile->name),
host_charset (), NULL);
Py_RETURN_NONE;
}
static void
objfpy_dealloc (PyObject *o)
{
objfile_object *self = (objfile_object *) o;
Py_XDECREF (self->printers);
self->ob_type->tp_free ((PyObject *) self);
}
static PyObject *
objfpy_new (PyTypeObject *type, PyObject *args, PyObject *keywords)
{
objfile_object *self = (objfile_object *) type->tp_alloc (type, 0);
if (self)
{
self->objfile = NULL;
self->printers = PyList_New (0);
if (!self->printers)
{
Py_DECREF (self);
return NULL;
}
}
return (PyObject *) self;
}
PyObject *
objfpy_get_printers (PyObject *o, void *ignore)
{
objfile_object *self = (objfile_object *) o;
Py_INCREF (self->printers);
return self->printers;
}
static int
objfpy_set_printers (PyObject *o, PyObject *value, void *ignore)
{
PyObject *tmp;
objfile_object *self = (objfile_object *) o;
if (! value)
{
PyErr_SetString (PyExc_TypeError,
"cannot delete the pretty_printers attribute");
return -1;
}
if (! PyList_Check (value))
{
PyErr_SetString (PyExc_TypeError,
"the pretty_printers attribute must be a list");
return -1;
}
/* Take care in case the LHS and RHS are related somehow. */
tmp = self->printers;
Py_INCREF (value);
self->printers = value;
Py_XDECREF (tmp);
return 0;
}
/* Clear the OBJFILE pointer in an Objfile object and remove the
reference. */
static void
clean_up_objfile (struct objfile *objfile, void *datum)
{
struct cleanup *cleanup;
objfile_object *object = datum;
cleanup = ensure_python_env (get_objfile_arch (objfile), current_language);
object->objfile = NULL;
Py_DECREF ((PyObject *) object);
do_cleanups (cleanup);
}
/* Return a borrowed reference to the Python object of type Objfile
representing OBJFILE. If the object has already been created,
return it. Otherwise, create it. Return NULL and set the Python
error on failure. */
PyObject *
objfile_to_objfile_object (struct objfile *objfile)
{
objfile_object *object;
object = objfile_data (objfile, objfpy_objfile_data_key);
if (!object)
{
object = PyObject_New (objfile_object, &objfile_object_type);
if (object)
{
PyObject *dict;
object->objfile = objfile;
object->printers = PyList_New (0);
if (!object->printers)
{
Py_DECREF (object);
return NULL;
}
set_objfile_data (objfile, objfpy_objfile_data_key, object);
}
}
return (PyObject *) object;
}
void
gdbpy_initialize_objfile (void)
{
objfpy_objfile_data_key
= register_objfile_data_with_cleanup (clean_up_objfile);
if (PyType_Ready (&objfile_object_type) < 0)
return;
Py_INCREF (&objfile_object_type);
PyModule_AddObject (gdb_module, "Objfile", (PyObject *) &objfile_object_type);
}
static PyGetSetDef objfile_getset[] =
{
{ "filename", objfpy_get_filename, NULL,
"The objfile's filename, or None.", NULL },
{ "pretty_printers", objfpy_get_printers, objfpy_set_printers,
"Pretty printers.", NULL },
{ NULL }
};
static PyTypeObject objfile_object_type =
{
PyObject_HEAD_INIT (NULL)
0, /*ob_size*/
"gdb.Objfile", /*tp_name*/
sizeof (objfile_object), /*tp_basicsize*/
0, /*tp_itemsize*/
objfpy_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash */
0, /*tp_call*/
0, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
"GDB objfile object", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
0, /* tp_members */
objfile_getset, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
objfpy_new, /* tp_new */
};
|
