From 96d9056e29036d7d841e71f60648018f115d808e Mon Sep 17 00:00:00 2001 From: Phil Muldoon Date: Fri, 30 Aug 2013 10:12:19 +0000 Subject: 2013-08-30 Phil Muldoon PR python/15461 * python/py-arch.c (ARCHPY_REQUIRE_VALID): New macro. (archpy_name): Check for valid architecture. (archpy_disassemble): Ditto. 2013-08-30 Phil Muldoon * gdb.python/py-arch.exp: Tests for invalid architecture. --- gdb/python/py-arch.c | 27 +++++++++++++++++++++++---- 1 file changed, 23 insertions(+), 4 deletions(-) (limited to 'gdb/python') diff --git a/gdb/python/py-arch.c b/gdb/python/py-arch.c index 7098a8a..a31ffdd 100644 --- a/gdb/python/py-arch.c +++ b/gdb/python/py-arch.c @@ -30,6 +30,18 @@ typedef struct arch_object_type_object { static struct gdbarch_data *arch_object_data = NULL; +/* Require a valid Architecture. */ +#define ARCHPY_REQUIRE_VALID(arch_obj, arch) \ + do { \ + arch = arch_object_to_gdbarch (arch_obj); \ + if (arch == NULL) \ + { \ + PyErr_SetString (PyExc_RuntimeError, \ + _("Architecture is invalid.")); \ + return NULL; \ + } \ + } while (0) + static PyTypeObject arch_object_type CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("arch_object"); @@ -82,9 +94,14 @@ gdbarch_to_arch_object (struct gdbarch *gdbarch) static PyObject * archpy_name (PyObject *self, PyObject *args) { - struct gdbarch *gdbarch = arch_object_to_gdbarch (self); - const char *name = (gdbarch_bfd_arch_info (gdbarch))->printable_name; - PyObject *py_name = PyString_FromString (name); + struct gdbarch *gdbarch = NULL; + const char *name; + PyObject *py_name; + + ARCHPY_REQUIRE_VALID (self, gdbarch); + + name = (gdbarch_bfd_arch_info (gdbarch))->printable_name; + py_name = PyString_FromString (name); return py_name; } @@ -104,7 +121,9 @@ archpy_disassemble (PyObject *self, PyObject *args, PyObject *kw) gdb_py_ulongest start_temp; long count = 0, i; PyObject *result_list, *end_obj = NULL, *count_obj = NULL; - struct gdbarch *gdbarch = arch_object_to_gdbarch (self); + struct gdbarch *gdbarch = NULL; + + ARCHPY_REQUIRE_VALID (self, gdbarch); if (!PyArg_ParseTupleAndKeywords (args, kw, GDB_PY_LLU_ARG "|OO", keywords, &start_temp, &end_obj, &count_obj)) -- cgit v1.1