| """ |
| Test that breakpoint works correctly in the presence of dead-code stripping. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class DeadStripTestCase(TestBase): |
| |
| mydir = os.path.join("functionalities", "dead-strip") |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_with_dsym(self): |
| """Test breakpoint works correctly with dead-code stripping.""" |
| self.buildDsym() |
| self.dead_strip() |
| |
| @skipIfFreeBSD # The -dead_strip linker option isn't supported on FreeBSD versions of ld. |
| @skipIfLinux # The -dead_strip linker option isn't supported on Linux versions of ld. |
| @dwarf_test |
| def test_with_dwarf(self): |
| """Test breakpoint works correctly with dead-code stripping.""" |
| self.buildDwarf() |
| self.dead_strip() |
| |
| def dead_strip(self): |
| """Test breakpoint works correctly with dead-code stripping.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Break by function name f1 (live code). |
| lldbutil.run_break_set_by_symbol (self, "f1", num_expected_locations=1, module_name="a.out") |
| |
| # Break by function name f2 (dead code). |
| lldbutil.run_break_set_by_symbol (self, "f2", num_expected_locations=0, module_name="a.out") |
| |
| # Break by function name f3 (live code). |
| lldbutil.run_break_set_by_symbol (self, "f3", num_expected_locations=1, module_name="a.out") |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint (breakpoint #1). |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'a.out`f1', |
| 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 1. |
| self.expect("breakpoint list -f 1", BREAKPOINT_HIT_ONCE, |
| substrs = [' resolved, hit count = 1']) |
| |
| self.runCmd("continue") |
| |
| # The stop reason of the thread should be breakpoint (breakpoint #3). |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'a.out`f3', |
| 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 1. |
| self.expect("breakpoint list -f 3", BREAKPOINT_HIT_ONCE, |
| substrs = [' resolved, hit count = 1']) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |