/* Implementation of gdb.read_memory (address, length).
Returns a Python buffer object with LENGTH bytes of the inferior's
memory at ADDRESS. Both arguments are integers. */
static PyObject *
infpy_read_memory (PyObject *self, PyObject *args, PyObject *kw)
{
int error = 0;
CORE_ADDR addr, length;
void *buffer = NULL;
membuf_object *membuf_obj;
PyObject *addr_obj, *length_obj;
struct cleanup *cleanups;
volatile struct gdb_exception except;
static char *keywords[] = { "address", "length", NULL };
if (! PyArg_ParseTupleAndKeywords (args, kw, "OO", keywords,
&addr_obj, &length_obj))
return NULL;
cleanups = make_cleanup (null_cleanup, NULL);
TRY_CATCH (except, RETURN_MASK_ALL)
{
if (!get_addr_from_python (addr_obj, &addr)
|| !get_addr_from_python (length_obj, &length))
{
error = 1;
break;
}
buffer = xmalloc (length);
make_cleanup (xfree, buffer);
read_memory (addr, buffer, length);
}
if (except.reason < 0)
{
do_cleanups (cleanups);
GDB_PY_HANDLE_EXCEPTION (except);
}
if (error)
{
do_cleanups (cleanups);
return NULL;
}
membuf_obj = PyObject_New (membuf_object, &membuf_object_type);
if (membuf_obj == NULL)
{
PyErr_SetString (PyExc_MemoryError,
_("Could not allocate memory buffer object."));
do_cleanups (cleanups);
return NULL;
}
discard_cleanups (cleanups);
membuf_obj->buffer = buffer;
membuf_obj->addr = addr;
membuf_obj->length = length;
return PyBuffer_FromReadWriteObject ((PyObject *) membuf_obj, 0,
Py_END_OF_BUFFER);
}
static PyObject *
image_surface_get_data (PycairoImageSurface *o)
{
return PyBuffer_FromReadWriteObject((PyObject *)o, 0, Py_END_OF_BUFFER);
}
