| """Test lldb reloads the inferior after it was changed during the session.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class ChangedInferiorTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| def test_inferior_crashing_dsym(self): |
| """Test lldb reloads the inferior after it was changed during the session.""" |
| self.buildDsym() |
| self.inferior_crashing() |
| self.cleanup() |
| d = {'C_SOURCES': 'main2.c'} |
| self.buildDsym(dictionary=d) |
| self.setTearDownCleanup(dictionary=d) |
| self.inferior_not_crashing() |
| |
| def test_inferior_crashing_dwarf(self): |
| """Test lldb reloads the inferior after it was changed during the session.""" |
| self.buildDwarf() |
| self.inferior_crashing() |
| self.cleanup() |
| # lldb needs to recognize the inferior has changed. If lldb needs to check the |
| # new module timestamp, make sure it is not the same as the old one, so add a |
| # 1 second delay. |
| time.sleep(1) |
| d = {'C_SOURCES': 'main2.c'} |
| self.buildDwarf(dictionary=d) |
| self.setTearDownCleanup(dictionary=d) |
| self.inferior_not_crashing() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number of the crash. |
| self.line1 = line_number('main.c', '// Crash here.') |
| self.line2 = line_number('main2.c', '// Not crash here.') |
| |
| def inferior_crashing(self): |
| """Inferior crashes upon launching; lldb should catch the event and stop.""" |
| self.exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + self.exe, CURRENT_EXECUTABLE_SET) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| if sys.platform.startswith("darwin"): |
| stop_reason = 'stop reason = EXC_BAD_ACCESS' |
| else: |
| stop_reason = 'stop reason = invalid address' |
| |
| # The stop reason of the thread should be a bad access exception. |
| self.expect("thread list", STOPPED_DUE_TO_EXC_BAD_ACCESS, |
| substrs = ['stopped', |
| stop_reason]) |
| |
| # And it should report the correct line number. |
| self.expect("thread backtrace all", |
| substrs = [stop_reason, |
| 'main.c:%d' % self.line1]) |
| |
| def inferior_not_crashing(self): |
| """Test lldb reloads the inferior after it was changed during the session.""" |
| self.runCmd("process kill") |
| # Prod the lldb-platform that we have a newly built inferior ready. |
| if lldb.lldbtest_remote_sandbox: |
| self.runCmd("file " + self.exe, CURRENT_EXECUTABLE_SET) |
| self.runCmd("run", RUN_SUCCEEDED) |
| self.runCmd("process status") |
| |
| if sys.platform.startswith("darwin"): |
| stop_reason = 'EXC_BAD_ACCESS' |
| else: |
| stop_reason = 'invalid address' |
| |
| if stop_reason in self.res.GetOutput(): |
| self.fail("Inferior changed, but lldb did not perform a reload") |
| |
| # Break inside the main. |
| lldbutil.run_break_set_by_file_and_line (self, "main2.c", self.line2, num_expected_locations=1, loc_exact=True) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'stop reason = breakpoint']) |
| |
| self.runCmd("frame variable int_ptr") |
| self.expect("frame variable *int_ptr", |
| substrs = ['= 7']) |
| self.expect("expression *int_ptr", |
| substrs = ['= 7']) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
