diff options
author | Phil Muldoon <pmuldoon@redhat.com> | 2013-08-30 10:12:19 +0000 |
---|---|---|
committer | Phil Muldoon <pmuldoon@redhat.com> | 2013-08-30 10:12:19 +0000 |
commit | 96d9056e29036d7d841e71f60648018f115d808e (patch) | |
tree | 06a57faccd1fc32c944c05e6eeeee02aafefb05f /gdb | |
parent | e2668a1a80552dc09c288886591f0be9ecbebd83 (diff) | |
download | gdb-96d9056e29036d7d841e71f60648018f115d808e.zip gdb-96d9056e29036d7d841e71f60648018f115d808e.tar.gz gdb-96d9056e29036d7d841e71f60648018f115d808e.tar.bz2 |
2013-08-30 Phil Muldoon <pmuldoon@redhat.com>
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 <pmuldoon@redhat.com>
* gdb.python/py-arch.exp: Tests for invalid architecture.
Diffstat (limited to 'gdb')
-rw-r--r-- | gdb/ChangeLog | 8 | ||||
-rw-r--r-- | gdb/python/py-arch.c | 27 | ||||
-rw-r--r-- | gdb/testsuite/ChangeLog | 4 | ||||
-rw-r--r-- | gdb/testsuite/gdb.python/py-arch.exp | 8 |
4 files changed, 43 insertions, 4 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f676c3f..a03e72c 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,11 @@ +2013-08-30 Phil Muldoon <pmuldoon@redhat.com> + + PR python/15461 + + * python/py-arch.c (ARCHPY_REQUIRE_VALID): New macro. + (archpy_name): Check for valid architecture. + (archpy_disassemble): Ditto. + 2013-08-29 Joel Brobecker <brobecker@adacore.com> * rs6000-nat.c (rs6000_ptrace32): Cast "addr" to "uintptr_t" 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)) diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 3b259c7..67dc813 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2013-08-30 Phil Muldoon <pmuldoon@redhat.com> + + * gdb.python/py-arch.exp: Tests for invalid architecture. + 2013-08-29 Sterling Augustine <saugustine@google.com> * boards/remote-stdio-gdbserver.exp: Set rcp_prog and diff --git a/gdb/testsuite/gdb.python/py-arch.exp b/gdb/testsuite/gdb.python/py-arch.exp index 7413b44..174b151 100644 --- a/gdb/testsuite/gdb.python/py-arch.exp +++ b/gdb/testsuite/gdb.python/py-arch.exp @@ -26,6 +26,14 @@ if ![runto_main] { return -1 } +# Test python/15461. Invalid architectures should not trigger an +# internal GDB assert. +gdb_py_test_silent_cmd "python empty = gdb.Architecture()" "get empty arch" 0 +gdb_test "python print(empty.name())" ".*Architecture is invalid.*" \ + "Test empty architecture.name does not trigger an assert" +gdb_test "python print(empty.disassemble())" ".*Architecture is invalid.*" \ + "Test empty architecture.disassemble does not trigger an assert" + gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "get frame" 0 gdb_py_test_silent_cmd "python arch = frame.architecture()" "get arch" 0 gdb_py_test_silent_cmd "python pc = frame.pc()" "get pc" 0 |