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"""
Test that dynamically discovered ivars of type IMP do not crash LLDB
"""
from __future__ import print_function
import os, time
import re
import lldb
from lldbsuite.support import seven
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
def execute_command (command):
# print('%% %s' % (command))
(exit_status, output) = seven.get_command_status_output(command)
# if output:
# print(output)
# print('status = %u' % (exit_status))
return exit_status
class ObjCiVarIMPTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@no_debug_info_test
def test_imp_ivar_type(self):
"""Test that dynamically discovered ivars of type IMP do not crash LLDB"""
if self.getArchitecture() == 'i386':
# rdar://problem/9946499
self.skipTest("Dynamic types for ObjC V1 runtime not implemented")
execute_command("make repro")
def cleanup():
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]'
])
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