binutils-gdb/gdb/python/py-progspace.c
Tom Tromey 8e260fc026 * auto-load.c (_initialize_auto_load): Update.
* solib-svr4.c (_initialize_svr4_solib): Update
	* solib-dsbt.c (_initialize_dsbt_solib): Update.
	* solib-darwin.c (_initialize_darwin_solib): Update.
	* registry.h: New file.
	* python/py-progspace.c (gdbpy_initialize_pspace): Update.
	* python/py-inferior.c (gdbpy_initialize_inferior): Update.
	* progspace.h: Include registry.h.  Use DECLARE_REGISTRY.
	(register_program_space_data_with_cleanup)
	(register_program_space_data, program_space_alloc_data)
	(clear_program_space_data, set_program_space_data)
	(program_space_data): Don't declare.
	* progspace.c: Use DEFINE_REGISTRY.
	(struct program_space_data, struct
	program_space_data_registration, struct
	program_space_data_registry, program_space_data_registry)
	(register_program_space_data_with_cleanup)
	(register_program_space_data, program_space_alloc_data)
	(program_space_free_data, clear_program_space_data)
	(set_program_space_data, program_space_data): Remove.
	* objfiles.h: Include registry.h.  Use DECLARE_REGISTRY.
	(struct objfile) <data, num_data>: Replace with REGISTRY_FIELDS.
	(register_objfile_data_with_cleanup, register_objfile_data)
	(clear_objfile_data, set_objfile_data, objfile_data): Don't
	declare.
	* objfiles.c: Use DEFINE_REGISTRY.
	(struct objfile_data, struct objfile_data_registration, struct
	objfile_data_registry, objfile_data_registry)
	(register_objfile_data_with_cleanup, register_objfile_data)
	(objfile_alloc_data, objfile_free_data, clear_objfile_data)
	(set_objfile_data, objfile_data): Remove.
	(_initialize_objfiles): Update.
	* jit.c (_initialize_jit): Update.
	* inflow.c (_initialize_inflow): Update.
	* inferior.h: Include registry.h.  Use DECLARE_REGISTRY.
	(struct inferior) <data, num_data>: Replace with REGISTRY_FIELDS.
	(register_inferior_data_with_cleanup, register_inferior_data)
	(clear_inferior_data, set_inferior_data, inferior_data): Don't
	declare.
	* inferior.c: Use DEFINE_REGISTRY.
	(struct inferior_data, struct inferior_data_registration, struct
	inferior_data_registry, inferior_data_registry)
	(register_inferior_data_with_cleanup, register_inferior_data)
	(inferior_alloc_data, inferior_free_data  clear_inferior_data)
	(set_inferior_data, inferior_data): Remove.
	* auxv.c (_initialize_auxv): Update.
	* ada-lang.c (_initialize_ada_language): Update.
	* breakpoint.c (_initialize_breakpoint): Update.
	* i386-nat.c (i386_use_watchpoints): Update.
2012-08-22 15:17:21 +00:00

245 lines
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/* Python interface to program spaces.
Copyright (C) 2010-2012 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 "progspace.h"
#include "objfiles.h"
#include "language.h"
#include "arch-utils.h"
typedef struct
{
PyObject_HEAD
/* The corresponding pspace. */
struct program_space *pspace;
/* The pretty-printer list of functions. */
PyObject *printers;
} pspace_object;
static PyTypeObject pspace_object_type;
static const struct program_space_data *pspy_pspace_data_key;
/* An Objfile method which returns the objfile's file name, or None. */
static PyObject *
pspy_get_filename (PyObject *self, void *closure)
{
pspace_object *obj = (pspace_object *) self;
if (obj->pspace)
{
struct objfile *objfile = obj->pspace->symfile_object_file;
if (objfile)
return PyString_Decode (objfile->name, strlen (objfile->name),
host_charset (), NULL);
}
Py_RETURN_NONE;
}
static void
pspy_dealloc (PyObject *self)
{
pspace_object *ps_self = (pspace_object *) self;
Py_XDECREF (ps_self->printers);
self->ob_type->tp_free (self);
}
static PyObject *
pspy_new (PyTypeObject *type, PyObject *args, PyObject *keywords)
{
pspace_object *self = (pspace_object *) type->tp_alloc (type, 0);
if (self)
{
self->pspace = NULL;
self->printers = PyList_New (0);
if (!self->printers)
{
Py_DECREF (self);
return NULL;
}
}
return (PyObject *) self;
}
PyObject *
pspy_get_printers (PyObject *o, void *ignore)
{
pspace_object *self = (pspace_object *) o;
Py_INCREF (self->printers);
return self->printers;
}
static int
pspy_set_printers (PyObject *o, PyObject *value, void *ignore)
{
PyObject *tmp;
pspace_object *self = (pspace_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 PSPACE pointer in a Pspace object and remove the reference. */
static void
py_free_pspace (struct program_space *pspace, void *datum)
{
struct cleanup *cleanup;
pspace_object *object = datum;
struct gdbarch *arch = get_current_arch ();
cleanup = ensure_python_env (arch, current_language);
object->pspace = NULL;
Py_DECREF ((PyObject *) object);
do_cleanups (cleanup);
}
/* Return a borrowed reference to the Python object of type Pspace
representing PSPACE. If the object has already been created,
return it. Otherwise, create it. Return NULL and set the Python
error on failure. */
PyObject *
pspace_to_pspace_object (struct program_space *pspace)
{
pspace_object *object;
object = program_space_data (pspace, pspy_pspace_data_key);
if (!object)
{
object = PyObject_New (pspace_object, &pspace_object_type);
if (object)
{
object->pspace = pspace;
object->printers = PyList_New (0);
if (!object->printers)
{
Py_DECREF (object);
return NULL;
}
set_program_space_data (pspace, pspy_pspace_data_key, object);
}
}
return (PyObject *) object;
}
void
gdbpy_initialize_pspace (void)
{
pspy_pspace_data_key
= register_program_space_data_with_cleanup (NULL, py_free_pspace);
if (PyType_Ready (&pspace_object_type) < 0)
return;
Py_INCREF (&pspace_object_type);
PyModule_AddObject (gdb_module, "Progspace",
(PyObject *) &pspace_object_type);
}
static PyGetSetDef pspace_getset[] =
{
{ "filename", pspy_get_filename, NULL,
"The progspace's main filename, or None.", NULL },
{ "pretty_printers", pspy_get_printers, pspy_set_printers,
"Pretty printers.", NULL },
{ NULL }
};
static PyTypeObject pspace_object_type =
{
PyObject_HEAD_INIT (NULL)
0, /*ob_size*/
"gdb.Progspace", /*tp_name*/
sizeof (pspace_object), /*tp_basicsize*/
0, /*tp_itemsize*/
pspy_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 progspace 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 */
pspace_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 */
pspy_new, /* tp_new */
};