diff options
Diffstat (limited to 'gdb/testsuite/gdb.python/py-unwind.py')
| -rw-r--r-- | gdb/testsuite/gdb.python/py-unwind.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.python/py-unwind.py b/gdb/testsuite/gdb.python/py-unwind.py index 15dba59..319bb63 100644 --- a/gdb/testsuite/gdb.python/py-unwind.py +++ b/gdb/testsuite/gdb.python/py-unwind.py @@ -17,6 +17,11 @@ import gdb from gdb.unwinder import Unwinder +# These are set to test whether invalid register names cause an error. +add_saved_register_error = False +read_register_error = False + + class FrameId(object): def __init__(self, sp, pc): self._sp = sp @@ -101,6 +106,12 @@ class TestUnwinder(Unwinder): previous_ip = self._read_word(bp + 8) previous_sp = bp + 16 + try: + pending_frame.read_register("nosuchregister") + except ValueError: + global read_register_error + read_register_error = True + frame_id = FrameId( pending_frame.read_register(TestUnwinder.AMD64_RSP), pending_frame.read_register(TestUnwinder.AMD64_RIP), @@ -109,6 +120,11 @@ class TestUnwinder(Unwinder): unwind_info.add_saved_register(TestUnwinder.AMD64_RBP, previous_bp) unwind_info.add_saved_register("rip", previous_ip) unwind_info.add_saved_register("rsp", previous_sp) + try: + unwind_info.add_saved_register("nosuchregister", previous_sp) + except ValueError: + global add_saved_register_error + add_saved_register_error = True return unwind_info except (gdb.error, RuntimeError): return None |