/* Python interface to program spaces.
|
/* Python interface to program spaces.
|
|
|
Copyright (C) 2010 Free Software Foundation, Inc.
|
Copyright (C) 2010 Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
#include "defs.h"
|
#include "defs.h"
|
#include "python-internal.h"
|
#include "python-internal.h"
|
#include "charset.h"
|
#include "charset.h"
|
#include "progspace.h"
|
#include "progspace.h"
|
#include "objfiles.h"
|
#include "objfiles.h"
|
#include "language.h"
|
#include "language.h"
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
PyObject_HEAD
|
PyObject_HEAD
|
|
|
/* The corresponding pspace. */
|
/* The corresponding pspace. */
|
struct program_space *pspace;
|
struct program_space *pspace;
|
|
|
/* The pretty-printer list of functions. */
|
/* The pretty-printer list of functions. */
|
PyObject *printers;
|
PyObject *printers;
|
} pspace_object;
|
} pspace_object;
|
|
|
static PyTypeObject pspace_object_type;
|
static PyTypeObject pspace_object_type;
|
|
|
static const struct program_space_data *pspy_pspace_data_key;
|
static const struct program_space_data *pspy_pspace_data_key;
|
|
|
|
|
|
|
/* An Objfile method which returns the objfile's file name, or None. */
|
/* An Objfile method which returns the objfile's file name, or None. */
|
|
|
static PyObject *
|
static PyObject *
|
pspy_get_filename (PyObject *self, void *closure)
|
pspy_get_filename (PyObject *self, void *closure)
|
{
|
{
|
pspace_object *obj = (pspace_object *) self;
|
pspace_object *obj = (pspace_object *) self;
|
|
|
if (obj->pspace)
|
if (obj->pspace)
|
{
|
{
|
struct objfile *objfile = obj->pspace->symfile_object_file;
|
struct objfile *objfile = obj->pspace->symfile_object_file;
|
|
|
if (objfile && objfile->name)
|
if (objfile && objfile->name)
|
return PyString_Decode (objfile->name, strlen (objfile->name),
|
return PyString_Decode (objfile->name, strlen (objfile->name),
|
host_charset (), NULL);
|
host_charset (), NULL);
|
}
|
}
|
Py_RETURN_NONE;
|
Py_RETURN_NONE;
|
}
|
}
|
|
|
static void
|
static void
|
pspy_dealloc (PyObject *self)
|
pspy_dealloc (PyObject *self)
|
{
|
{
|
pspace_object *ps_self = (pspace_object *) self;
|
pspace_object *ps_self = (pspace_object *) self;
|
|
|
Py_XDECREF (ps_self->printers);
|
Py_XDECREF (ps_self->printers);
|
self->ob_type->tp_free (self);
|
self->ob_type->tp_free (self);
|
}
|
}
|
|
|
static PyObject *
|
static PyObject *
|
pspy_new (PyTypeObject *type, PyObject *args, PyObject *keywords)
|
pspy_new (PyTypeObject *type, PyObject *args, PyObject *keywords)
|
{
|
{
|
pspace_object *self = (pspace_object *) type->tp_alloc (type, 0);
|
pspace_object *self = (pspace_object *) type->tp_alloc (type, 0);
|
|
|
if (self)
|
if (self)
|
{
|
{
|
self->pspace = NULL;
|
self->pspace = NULL;
|
|
|
self->printers = PyList_New (0);
|
self->printers = PyList_New (0);
|
if (!self->printers)
|
if (!self->printers)
|
{
|
{
|
Py_DECREF (self);
|
Py_DECREF (self);
|
return NULL;
|
return NULL;
|
}
|
}
|
}
|
}
|
return (PyObject *) self;
|
return (PyObject *) self;
|
}
|
}
|
|
|
PyObject *
|
PyObject *
|
pspy_get_printers (PyObject *o, void *ignore)
|
pspy_get_printers (PyObject *o, void *ignore)
|
{
|
{
|
pspace_object *self = (pspace_object *) o;
|
pspace_object *self = (pspace_object *) o;
|
|
|
Py_INCREF (self->printers);
|
Py_INCREF (self->printers);
|
return self->printers;
|
return self->printers;
|
}
|
}
|
|
|
static int
|
static int
|
pspy_set_printers (PyObject *o, PyObject *value, void *ignore)
|
pspy_set_printers (PyObject *o, PyObject *value, void *ignore)
|
{
|
{
|
PyObject *tmp;
|
PyObject *tmp;
|
pspace_object *self = (pspace_object *) o;
|
pspace_object *self = (pspace_object *) o;
|
|
|
if (! value)
|
if (! value)
|
{
|
{
|
PyErr_SetString (PyExc_TypeError,
|
PyErr_SetString (PyExc_TypeError,
|
"cannot delete the pretty_printers attribute");
|
"cannot delete the pretty_printers attribute");
|
return -1;
|
return -1;
|
}
|
}
|
|
|
if (! PyList_Check (value))
|
if (! PyList_Check (value))
|
{
|
{
|
PyErr_SetString (PyExc_TypeError,
|
PyErr_SetString (PyExc_TypeError,
|
"the pretty_printers attribute must be a list");
|
"the pretty_printers attribute must be a list");
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* Take care in case the LHS and RHS are related somehow. */
|
/* Take care in case the LHS and RHS are related somehow. */
|
tmp = self->printers;
|
tmp = self->printers;
|
Py_INCREF (value);
|
Py_INCREF (value);
|
self->printers = value;
|
self->printers = value;
|
Py_XDECREF (tmp);
|
Py_XDECREF (tmp);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
|
|
/* Clear the PSPACE pointer in a Pspace object and remove the reference. */
|
/* Clear the PSPACE pointer in a Pspace object and remove the reference. */
|
|
|
static void
|
static void
|
py_free_pspace (struct program_space *pspace, void *datum)
|
py_free_pspace (struct program_space *pspace, void *datum)
|
{
|
{
|
struct cleanup *cleanup;
|
struct cleanup *cleanup;
|
pspace_object *object = datum;
|
pspace_object *object = datum;
|
/* FIXME: What's the right way to get a program space's arch?
|
/* FIXME: What's the right way to get a program space's arch?
|
There may be multiple. */
|
There may be multiple. */
|
struct gdbarch *arch = get_objfile_arch (pspace->symfile_object_file);
|
struct gdbarch *arch = get_objfile_arch (pspace->symfile_object_file);
|
|
|
cleanup = ensure_python_env (arch, current_language);
|
cleanup = ensure_python_env (arch, current_language);
|
object->pspace = NULL;
|
object->pspace = NULL;
|
Py_DECREF ((PyObject *) object);
|
Py_DECREF ((PyObject *) object);
|
do_cleanups (cleanup);
|
do_cleanups (cleanup);
|
}
|
}
|
|
|
/* Return a borrowed reference to the Python object of type Pspace
|
/* Return a borrowed reference to the Python object of type Pspace
|
representing PSPACE. If the object has already been created,
|
representing PSPACE. If the object has already been created,
|
return it. Otherwise, create it. Return NULL and set the Python
|
return it. Otherwise, create it. Return NULL and set the Python
|
error on failure. */
|
error on failure. */
|
|
|
PyObject *
|
PyObject *
|
pspace_to_pspace_object (struct program_space *pspace)
|
pspace_to_pspace_object (struct program_space *pspace)
|
{
|
{
|
pspace_object *object;
|
pspace_object *object;
|
|
|
object = program_space_data (pspace, pspy_pspace_data_key);
|
object = program_space_data (pspace, pspy_pspace_data_key);
|
if (!object)
|
if (!object)
|
{
|
{
|
object = PyObject_New (pspace_object, &pspace_object_type);
|
object = PyObject_New (pspace_object, &pspace_object_type);
|
if (object)
|
if (object)
|
{
|
{
|
object->pspace = pspace;
|
object->pspace = pspace;
|
|
|
object->printers = PyList_New (0);
|
object->printers = PyList_New (0);
|
if (!object->printers)
|
if (!object->printers)
|
{
|
{
|
Py_DECREF (object);
|
Py_DECREF (object);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
set_program_space_data (pspace, pspy_pspace_data_key, object);
|
set_program_space_data (pspace, pspy_pspace_data_key, object);
|
}
|
}
|
}
|
}
|
|
|
return (PyObject *) object;
|
return (PyObject *) object;
|
}
|
}
|
|
|
void
|
void
|
gdbpy_initialize_pspace (void)
|
gdbpy_initialize_pspace (void)
|
{
|
{
|
pspy_pspace_data_key
|
pspy_pspace_data_key
|
= register_program_space_data_with_cleanup (py_free_pspace);
|
= register_program_space_data_with_cleanup (py_free_pspace);
|
|
|
if (PyType_Ready (&pspace_object_type) < 0)
|
if (PyType_Ready (&pspace_object_type) < 0)
|
return;
|
return;
|
|
|
Py_INCREF (&pspace_object_type);
|
Py_INCREF (&pspace_object_type);
|
PyModule_AddObject (gdb_module, "Progspace", (PyObject *) &pspace_object_type);
|
PyModule_AddObject (gdb_module, "Progspace", (PyObject *) &pspace_object_type);
|
}
|
}
|
|
|
|
|
|
|
static PyGetSetDef pspace_getset[] =
|
static PyGetSetDef pspace_getset[] =
|
{
|
{
|
{ "filename", pspy_get_filename, NULL,
|
{ "filename", pspy_get_filename, NULL,
|
"The progspace's main filename, or None.", NULL },
|
"The progspace's main filename, or None.", NULL },
|
{ "pretty_printers", pspy_get_printers, pspy_set_printers,
|
{ "pretty_printers", pspy_get_printers, pspy_set_printers,
|
"Pretty printers.", NULL },
|
"Pretty printers.", NULL },
|
{ NULL }
|
{ NULL }
|
};
|
};
|
|
|
static PyTypeObject pspace_object_type =
|
static PyTypeObject pspace_object_type =
|
{
|
{
|
PyObject_HEAD_INIT (NULL)
|
PyObject_HEAD_INIT (NULL)
|
0, /*ob_size*/
|
0, /*ob_size*/
|
"gdb.Progspace", /*tp_name*/
|
"gdb.Progspace", /*tp_name*/
|
sizeof (pspace_object), /*tp_basicsize*/
|
sizeof (pspace_object), /*tp_basicsize*/
|
0, /*tp_itemsize*/
|
0, /*tp_itemsize*/
|
pspy_dealloc, /*tp_dealloc*/
|
pspy_dealloc, /*tp_dealloc*/
|
0, /*tp_print*/
|
0, /*tp_print*/
|
0, /*tp_getattr*/
|
0, /*tp_getattr*/
|
0, /*tp_setattr*/
|
0, /*tp_setattr*/
|
0, /*tp_compare*/
|
0, /*tp_compare*/
|
0, /*tp_repr*/
|
0, /*tp_repr*/
|
0, /*tp_as_number*/
|
0, /*tp_as_number*/
|
0, /*tp_as_sequence*/
|
0, /*tp_as_sequence*/
|
0, /*tp_as_mapping*/
|
0, /*tp_as_mapping*/
|
0, /*tp_hash */
|
0, /*tp_hash */
|
0, /*tp_call*/
|
0, /*tp_call*/
|
0, /*tp_str*/
|
0, /*tp_str*/
|
0, /*tp_getattro*/
|
0, /*tp_getattro*/
|
0, /*tp_setattro*/
|
0, /*tp_setattro*/
|
0, /*tp_as_buffer*/
|
0, /*tp_as_buffer*/
|
Py_TPFLAGS_DEFAULT, /*tp_flags*/
|
Py_TPFLAGS_DEFAULT, /*tp_flags*/
|
"GDB progspace object", /* tp_doc */
|
"GDB progspace object", /* tp_doc */
|
0, /* tp_traverse */
|
0, /* tp_traverse */
|
0, /* tp_clear */
|
0, /* tp_clear */
|
0, /* tp_richcompare */
|
0, /* tp_richcompare */
|
0, /* tp_weaklistoffset */
|
0, /* tp_weaklistoffset */
|
0, /* tp_iter */
|
0, /* tp_iter */
|
0, /* tp_iternext */
|
0, /* tp_iternext */
|
0, /* tp_methods */
|
0, /* tp_methods */
|
0, /* tp_members */
|
0, /* tp_members */
|
pspace_getset, /* tp_getset */
|
pspace_getset, /* tp_getset */
|
0, /* tp_base */
|
0, /* tp_base */
|
0, /* tp_dict */
|
0, /* tp_dict */
|
0, /* tp_descr_get */
|
0, /* tp_descr_get */
|
0, /* tp_descr_set */
|
0, /* tp_descr_set */
|
0, /* tp_dictoffset */
|
0, /* tp_dictoffset */
|
0, /* tp_init */
|
0, /* tp_init */
|
0, /* tp_alloc */
|
0, /* tp_alloc */
|
pspy_new, /* tp_new */
|
pspy_new, /* tp_new */
|
};
|
};
|
|
|
