def test_imp_ivar_type(self):
"""Test that dynamically discovered ivars of type IMP do not crash LLDB"""
lldbutil.execute_command("make repro")
def cleanup():
lldbutil.execute_command("make cleanup")
self.addTearDownHook(cleanup)
exe = os.path.join(os.getcwd(), "a.out")
# Create a target from the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Set up our breakpoint
bkpt = lldbutil.run_break_set_by_source_regexp(self, "break here")
# Now launch the process, and do not stop at the entry point.
process = target.LaunchSimple(None, None,
self.get_process_working_directory())
self.assertTrue(process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
self.expect(
'frame variable --ptr-depth=1 --show-types -d run -- object',
substrs=['(MyClass *) object = 0x', '(void *) myImp = 0x'])
self.expect('disassemble --start-address `((MyClass*)object)->myImp`',
substrs=['-[MyClass init]'])
def test_imp_ivar_type(self):
"""Test that dynamically discovered ivars of type IMP do not crash LLDB"""
lldbutil.execute_command("make repro")
def cleanup():
lldbutil.execute_command("make cleanup")
self.addTearDownHook(cleanup)
exe = os.path.join(os.getcwd(), "a.out")
# Create a target from the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Set up our breakpoint
bkpt = lldbutil.run_break_set_by_source_regexp(self, "break here")
# Now launch the process, and do not stop at the entry point.
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
self.expect(
'frame variable --ptr-depth=1 --show-types -d run -- object',
substrs=[
'(MyClass *) object = 0x',
'(void *) myImp = 0x'])
self.expect(
'disassemble --start-address `((MyClass*)object)->myImp`',
substrs=['-[MyClass init]'])
def cleanup():
lldbutil.execute_command("make cleanup")
def cleanup():
lldbutil.execute_command("make cleanup")
def buildAll(self):
lldbutil.execute_command("make everything")
def test(self):
if self.getArchitecture() == 'x86_64':
source = os.path.join(os.getcwd(), "main.cpp")
o_file = os.path.join(os.getcwd(), "main.o")
lldbutil.execute_command(
"'%s' -g -O0 -arch i386 -arch x86_64 '%s' -c -o '%s'" %
(os.environ["CC"], source, o_file))
lldbutil.execute_command(
"'%s' -g -O0 -arch i386 -arch x86_64 '%s'" %
(os.environ["CC"], o_file))
if self.debug_info != "dsym":
dsym_path = os.path.join(os.getcwd(), "a.out.dSYM")
lldbutil.execute_command("rm -rf '%s'" % (dsym_path))
else:
self.build()
exe = os.path.join(os.getcwd(), "a.out")
# Create the target
target = self.dbg.CreateTarget(exe)
# Create any breakpoints we need
breakpoint = target.BreakpointCreateBySourceRegex(
'Set breakpoint 1 here', lldb.SBFileSpec("main.cpp", False))
self.assertTrue(breakpoint, VALID_BREAKPOINT)
# Launch the process
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
for i in range(6):
# The stop reason of the thread should be breakpoint.
self.assertTrue(process.GetState() == lldb.eStateStopped,
STOPPED_DUE_TO_BREAKPOINT)
threads = lldbutil.get_threads_stopped_at_breakpoint(
process, breakpoint)
self.assertTrue(len(threads) == 1)
# We had a deadlock tearing down the TypeSystemMap on exec, but only if some
# expression had been evaluated. So make sure we do that here so the teardown
# is not trivial.
thread = threads[0]
value = thread.frames[0].EvaluateExpression("1 + 2")
self.assertTrue(
value.IsValid(),
"Expression evaluated successfully")
int_value = value.GetValueAsSigned()
self.assertTrue(int_value == 3, "Expression got the right result.")
# Run and we should stop due to exec
process.Continue()
self.assertTrue(process.GetState() == lldb.eStateStopped,
"Process should be stopped at __dyld_start")
threads = lldbutil.get_stopped_threads(
process, lldb.eStopReasonExec)
self.assertTrue(
len(threads) == 1,
"We got a thread stopped for exec.")
# Run and we should stop at breakpoint in main after exec
process.Continue()
threads = lldbutil.get_threads_stopped_at_breakpoint(
process, breakpoint)
self.assertTrue(len(threads) == 1,
"Stopped at breakpoint in exec'ed process.")
