/* Python interface to objfiles.
- Copyright (C) 2008-2016 Free Software Foundation, Inc.
+ Copyright (C) 2008-2023 Free Software Foundation, Inc.
This file is part of GDB.
#include "language.h"
#include "build-id.h"
#include "symtab.h"
+#include "python.h"
+#include "inferior.h"
-typedef struct
+struct objfile_object
{
PyObject_HEAD
/* The debug method matcher list. */
PyObject *xmethods;
-} objfile_object;
+};
extern PyTypeObject objfile_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("objfile_object");
-static const struct objfile_data *objfpy_objfile_data_key;
+/* Clear the OBJFILE pointer in an Objfile object and remove the
+ reference. */
+struct objfpy_deleter
+{
+ void operator() (objfile_object *obj)
+ {
+ gdbpy_enter enter_py;
+ gdbpy_ref<objfile_object> object (obj);
+ object->objfile = nullptr;
+ }
+};
+
+static const registry<objfile>::key<objfile_object, objfpy_deleter>
+ objfpy_objfile_data_key;
/* Require that OBJF be a valid objfile. */
#define OBJFPY_REQUIRE_VALID(obj) \
objfile_object *obj = (objfile_object *) self;
if (obj->objfile)
- return PyString_Decode (objfile_name (obj->objfile),
- strlen (objfile_name (obj->objfile)),
- host_charset (), NULL);
+ return (host_string_to_python_string (objfile_name (obj->objfile))
+ .release ());
Py_RETURN_NONE;
}
{
const char *username = obj->objfile->original_name;
- return PyString_Decode (username, strlen (username),
- host_charset (), NULL);
+ return host_string_to_python_string (username).release ();
}
Py_RETURN_NONE;
}
+/* Get the 'is_file' attribute. */
+
+static PyObject *
+objfpy_get_is_file (PyObject *o, void *ignore)
+{
+ objfile_object *self = (objfile_object *) o;
+
+ if (self->objfile != nullptr)
+ return PyBool_FromLong ((self->objfile->flags & OBJF_NOT_FILENAME) == 0);
+ Py_RETURN_NONE;
+}
+
/* If SELF is a separate debug-info file, return the "backlink" field.
Otherwise return None. */
owner = objfile->separate_debug_objfile_backlink;
if (owner != NULL)
- {
- PyObject *result = objfile_to_objfile_object (owner);
-
- Py_XINCREF (result);
- return result;
- }
+ return objfile_to_objfile_object (owner).release ();
Py_RETURN_NONE;
}
OBJFPY_REQUIRE_VALID (obj);
- TRY
+ try
{
- build_id = build_id_bfd_get (objfile->obfd);
+ build_id = build_id_bfd_get (objfile->obfd.get ());
}
- CATCH (except, RETURN_MASK_ALL)
+ catch (const gdb_exception &except)
{
GDB_PY_HANDLE_EXCEPTION (except);
}
- END_CATCH
if (build_id != NULL)
{
- char *hex_form = make_hex_string (build_id->data, build_id->size);
- PyObject *result;
+ std::string hex_form = bin2hex (build_id->data, build_id->size);
- result = PyString_Decode (hex_form, strlen (hex_form),
- host_charset (), NULL);
- xfree (hex_form);
- return result;
+ return host_string_to_python_string (hex_form.c_str ()).release ();
}
Py_RETURN_NONE;
objfile_object *obj = (objfile_object *) self;
if (obj->objfile)
- {
- PyObject *pspace = pspace_to_pspace_object (obj->objfile->pspace);
-
- Py_XINCREF (pspace);
- return pspace;
- }
+ return pspace_to_pspace_object (obj->objfile->pspace).release ();
Py_RETURN_NONE;
}
objfpy_initialize (objfile_object *self)
{
self->objfile = NULL;
- self->dict = NULL;
+
+ self->dict = PyDict_New ();
+ if (self->dict == NULL)
+ return 0;
self->printers = PyList_New (0);
if (self->printers == NULL)
static PyObject *
objfpy_new (PyTypeObject *type, PyObject *args, PyObject *keywords)
{
- objfile_object *self = (objfile_object *) type->tp_alloc (type, 0);
+ gdbpy_ref<objfile_object> self ((objfile_object *) type->tp_alloc (type, 0));
- if (self)
+ if (self != NULL)
{
- if (!objfpy_initialize (self))
- {
- Py_DECREF (self);
- return NULL;
- }
+ if (!objfpy_initialize (self.get ()))
+ return NULL;
}
- return (PyObject *) self;
+ return (PyObject *) self.release ();
}
PyObject *
static int
objfpy_set_printers (PyObject *o, PyObject *value, void *ignore)
{
- PyObject *tmp;
objfile_object *self = (objfile_object *) o;
if (! value)
}
/* Take care in case the LHS and RHS are related somehow. */
- tmp = self->printers;
+ gdbpy_ref<> tmp (self->printers);
Py_INCREF (value);
self->printers = value;
- Py_XDECREF (tmp);
return 0;
}
static int
objfpy_set_frame_filters (PyObject *o, PyObject *filters, void *ignore)
{
- PyObject *tmp;
objfile_object *self = (objfile_object *) o;
if (! filters)
}
/* Take care in case the LHS and RHS are related somehow. */
- tmp = self->frame_filters;
+ gdbpy_ref<> tmp (self->frame_filters);
Py_INCREF (filters);
self->frame_filters = filters;
- Py_XDECREF (tmp);
return 0;
}
static int
objfpy_set_frame_unwinders (PyObject *o, PyObject *unwinders, void *ignore)
{
- PyObject *tmp;
objfile_object *self = (objfile_object *) o;
if (!unwinders)
}
/* Take care in case the LHS and RHS are related somehow. */
- tmp = self->frame_unwinders;
+ gdbpy_ref<> tmp (self->frame_unwinders);
Py_INCREF (unwinders);
self->frame_unwinders = unwinders;
- Py_XDECREF (tmp);
return 0;
}
static int
objfpy_set_type_printers (PyObject *o, PyObject *value, void *ignore)
{
- PyObject *tmp;
objfile_object *self = (objfile_object *) o;
if (! value)
}
/* Take care in case the LHS and RHS are related somehow. */
- tmp = self->type_printers;
+ gdbpy_ref<> tmp (self->type_printers);
Py_INCREF (value);
self->type_printers = value;
- Py_XDECREF (tmp);
return 0;
}
Py_RETURN_TRUE;
}
-/* Implementation of gdb.Objfile.add_separate_debug_file (self) -> Boolean. */
+/* Implementation of gdb.Objfile.add_separate_debug_file (self, string). */
static PyObject *
objfpy_add_separate_debug_file (PyObject *self, PyObject *args, PyObject *kw)
{
- static char *keywords[] = { "file_name", NULL };
+ static const char *keywords[] = { "file_name", NULL };
objfile_object *obj = (objfile_object *) self;
const char *file_name;
- int symfile_flags = 0;
OBJFPY_REQUIRE_VALID (obj);
- if (!PyArg_ParseTupleAndKeywords (args, kw, "s", keywords, &file_name))
+ if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s", keywords, &file_name))
return NULL;
- TRY
+ try
+ {
+ gdb_bfd_ref_ptr abfd (symfile_bfd_open (file_name));
+
+ symbol_file_add_separate (abfd, file_name, 0, obj->objfile);
+ }
+ catch (const gdb_exception &except)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+
+ Py_RETURN_NONE;
+}
+
+/* Implementation of
+ gdb.Objfile.lookup_global_symbol (self, string [, domain]) -> gdb.Symbol. */
+
+static PyObject *
+objfpy_lookup_global_symbol (PyObject *self, PyObject *args, PyObject *kw)
+{
+ static const char *keywords[] = { "name", "domain", NULL };
+ objfile_object *obj = (objfile_object *) self;
+ const char *symbol_name;
+ int domain = VAR_DOMAIN;
+
+ OBJFPY_REQUIRE_VALID (obj);
+
+ if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|i", keywords, &symbol_name,
+ &domain))
+ return nullptr;
+
+ try
{
- bfd *abfd = symfile_bfd_open (file_name);
+ struct symbol *sym = lookup_global_symbol_from_objfile
+ (obj->objfile, GLOBAL_BLOCK, symbol_name, (domain_enum) domain).symbol;
+ if (sym == nullptr)
+ Py_RETURN_NONE;
- symbol_file_add_separate (abfd, file_name, symfile_flags, obj->objfile);
+ return symbol_to_symbol_object (sym);
}
- CATCH (except, RETURN_MASK_ALL)
+ catch (const gdb_exception &except)
{
GDB_PY_HANDLE_EXCEPTION (except);
}
- END_CATCH
Py_RETURN_NONE;
}
+/* Implementation of
+ gdb.Objfile.lookup_static_symbol (self, string [, domain]) -> gdb.Symbol. */
+
+static PyObject *
+objfpy_lookup_static_symbol (PyObject *self, PyObject *args, PyObject *kw)
+{
+ static const char *keywords[] = { "name", "domain", NULL };
+ objfile_object *obj = (objfile_object *) self;
+ const char *symbol_name;
+ int domain = VAR_DOMAIN;
+
+ OBJFPY_REQUIRE_VALID (obj);
+
+ if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|i", keywords, &symbol_name,
+ &domain))
+ return nullptr;
+
+ try
+ {
+ struct symbol *sym = lookup_global_symbol_from_objfile
+ (obj->objfile, STATIC_BLOCK, symbol_name, (domain_enum) domain).symbol;
+ if (sym == nullptr)
+ Py_RETURN_NONE;
+
+ return symbol_to_symbol_object (sym);
+ }
+ catch (const gdb_exception &except)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+
+ Py_RETURN_NONE;
+}
+
+/* Implement repr() for gdb.Objfile. */
+
+static PyObject *
+objfpy_repr (PyObject *self_)
+{
+ objfile_object *self = (objfile_object *) self_;
+ objfile *obj = self->objfile;
+
+ if (obj == nullptr)
+ return PyUnicode_FromString ("<gdb.Objfile (invalid)>");
+
+ return PyUnicode_FromFormat ("<gdb.Objfile filename=%s>",
+ objfile_name (obj));
+}
+
/* Subroutine of gdbpy_lookup_objfile_by_build_id to simplify it.
Return non-zero if STRING is a potentially valid build id. */
for (i = 0; i < build_id->size; ++i)
{
char c1 = string[i * 2], c2 = string[i * 2 + 1];
- int byte = (host_hex_value (c1) << 4) | host_hex_value (c2);
+ int byte = (fromhex (c1) << 4) | fromhex (c2);
if (byte != build_id->data[i])
return 0;
return 1;
}
-/* Subroutine of gdbpy_lookup_objfile to simplify it.
- Look up an objfile by its file name. */
-
-static struct objfile *
-objfpy_lookup_objfile_by_name (const char *name)
-{
- struct objfile *objfile;
-
- ALL_OBJFILES (objfile)
- {
- const char *filename;
-
- if ((objfile->flags & OBJF_NOT_FILENAME) != 0)
- continue;
- /* Don't return separate debug files. */
- if (objfile->separate_debug_objfile_backlink != NULL)
- continue;
-
- filename = objfile_filename (objfile);
- if (filename != NULL && compare_filenames_for_search (filename, name))
- return objfile;
- if (compare_filenames_for_search (objfile->original_name, name))
- return objfile;
- }
-
- return NULL;
-}
-
-/* Subroutine of gdbpy_lookup_objfile to simplify it.
- Look up an objfile by its build id. */
-
-static struct objfile *
-objfpy_lookup_objfile_by_build_id (const char *build_id)
-{
- struct objfile *objfile;
-
- ALL_OBJFILES (objfile)
- {
- const struct bfd_build_id *obfd_build_id;
-
- if (objfile->obfd == NULL)
- continue;
- /* Don't return separate debug files. */
- if (objfile->separate_debug_objfile_backlink != NULL)
- continue;
- obfd_build_id = build_id_bfd_get (objfile->obfd);
- if (obfd_build_id == NULL)
- continue;
- if (objfpy_build_id_matches (obfd_build_id, build_id))
- return objfile;
- }
-
- return NULL;
-}
-
/* Implementation of gdb.lookup_objfile. */
PyObject *
gdbpy_lookup_objfile (PyObject *self, PyObject *args, PyObject *kw)
{
- static char *keywords[] = { "name", "by_build_id", NULL };
+ static const char *keywords[] = { "name", "by_build_id", NULL };
const char *name;
PyObject *by_build_id_obj = NULL;
int by_build_id;
- struct objfile *objfile;
- if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O!", keywords,
- &name, &PyBool_Type, &by_build_id_obj))
+ if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O!", keywords,
+ &name, &PyBool_Type, &by_build_id_obj))
return NULL;
by_build_id = 0;
by_build_id = cmp;
}
- if (by_build_id)
+ if (by_build_id && !objfpy_build_id_ok (name))
{
- if (!objfpy_build_id_ok (name))
- {
- PyErr_SetString (PyExc_TypeError, _("Not a valid build id."));
- return NULL;
- }
- objfile = objfpy_lookup_objfile_by_build_id (name);
+ PyErr_SetString (PyExc_TypeError, _("Not a valid build id."));
+ return NULL;
}
+
+ struct objfile *objfile = nullptr;
+ if (by_build_id)
+ gdbarch_iterate_over_objfiles_in_search_order
+ (current_inferior ()->arch (),
+ [&objfile, name] (struct objfile *obj)
+ {
+ /* Don't return separate debug files. */
+ if (obj->separate_debug_objfile_backlink != nullptr)
+ return 0;
+
+ bfd *obfd = obj->obfd.get ();
+ if (obfd == nullptr)
+ return 0;
+
+ const bfd_build_id *obfd_build_id = build_id_bfd_get (obfd);
+ if (obfd_build_id == nullptr)
+ return 0;
+
+ if (!objfpy_build_id_matches (obfd_build_id, name))
+ return 0;
+
+ objfile = obj;
+ return 1;
+ }, gdbpy_current_objfile);
else
- objfile = objfpy_lookup_objfile_by_name (name);
+ gdbarch_iterate_over_objfiles_in_search_order
+ (current_inferior ()->arch (),
+ [&objfile, name] (struct objfile *obj)
+ {
+ /* Don't return separate debug files. */
+ if (obj->separate_debug_objfile_backlink != nullptr)
+ return 0;
+
+ if ((obj->flags & OBJF_NOT_FILENAME) != 0)
+ return 0;
+
+ const char *filename = objfile_filename (obj);
+ if (filename != NULL
+ && compare_filenames_for_search (filename, name))
+ {
+ objfile = obj;
+ return 1;
+ }
+
+ if (compare_filenames_for_search (obj->original_name, name))
+ {
+ objfile = obj;
+ return 1;
+ }
+
+ return 0;
+ }, gdbpy_current_objfile);
if (objfile != NULL)
- {
- PyObject *result = objfile_to_objfile_object (objfile);
-
- Py_XINCREF (result);
- return result;
- }
+ return objfile_to_objfile_object (objfile).release ();
PyErr_SetString (PyExc_ValueError, _("Objfile not found."));
return NULL;
\f
-/* Clear the OBJFILE pointer in an Objfile object and remove the
- reference. */
-static void
-py_free_objfile (struct objfile *objfile, void *datum)
-{
- struct cleanup *cleanup;
- objfile_object *object = (objfile_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
+/* Return a new 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 *
+gdbpy_ref<>
objfile_to_objfile_object (struct objfile *objfile)
{
- objfile_object *object;
-
- object = (objfile_object *) objfile_data (objfile, objfpy_objfile_data_key);
- if (!object)
+ PyObject *result
+ = (PyObject *) objfpy_objfile_data_key.get (objfile);
+ if (result == NULL)
{
- object = PyObject_New (objfile_object, &objfile_object_type);
- if (object)
- {
- if (!objfpy_initialize (object))
- {
- Py_DECREF (object);
- return NULL;
- }
-
- object->objfile = objfile;
- set_objfile_data (objfile, objfpy_objfile_data_key, object);
- }
+ gdbpy_ref<objfile_object> object
+ ((objfile_object *) PyObject_New (objfile_object, &objfile_object_type));
+ if (object == NULL)
+ return NULL;
+ if (!objfpy_initialize (object.get ()))
+ return NULL;
+
+ object->objfile = objfile;
+ objfpy_objfile_data_key.set (objfile, object.get ());
+ result = (PyObject *) object.release ();
}
- return (PyObject *) object;
+ return gdbpy_ref<>::new_reference (result);
}
-int
+static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
gdbpy_initialize_objfile (void)
{
- objfpy_objfile_data_key
- = register_objfile_data_with_cleanup (NULL, py_free_objfile);
-
if (PyType_Ready (&objfile_object_type) < 0)
return -1;
(PyObject *) &objfile_object_type);
}
+GDBPY_INITIALIZE_FILE (gdbpy_initialize_objfile);
+
\f
static PyMethodDef objfile_object_methods[] =
"add_separate_debug_file (file_name).\n\
Add FILE_NAME to the list of files containing debug info for the objfile." },
+ { "lookup_global_symbol", (PyCFunction) objfpy_lookup_global_symbol,
+ METH_VARARGS | METH_KEYWORDS,
+ "lookup_global_symbol (name [, domain]).\n\
+Look up a global symbol in this objfile and return it." },
+
+ { "lookup_static_symbol", (PyCFunction) objfpy_lookup_static_symbol,
+ METH_VARARGS | METH_KEYWORDS,
+ "lookup_static_symbol (name [, domain]).\n\
+Look up a static-linkage global symbol in this objfile and return it." },
+
{ NULL }
};
-static PyGetSetDef objfile_getset[] =
+static gdb_PyGetSetDef objfile_getset[] =
{
{ "__dict__", gdb_py_generic_dict, NULL,
"The __dict__ for this objfile.", &objfile_object_type },
"Type printers.", NULL },
{ "xmethods", objfpy_get_xmethods, NULL,
"Debug methods.", NULL },
+ { "is_file", objfpy_get_is_file, nullptr,
+ "Whether this objfile came from a file.", nullptr },
{ NULL }
};
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
- 0, /*tp_repr*/
+ objfpy_repr, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
projects / thirdparty / binutils-gdb.git / blobdiff