| """ |
| Test that breakpoint works correctly in the presence of dead-code stripping. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class DeadStripTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778") |
| @expectedFailureAll(debug_info="dwo", bugnumber="llvm.org/pr25087") |
| @expectedFailureAll( |
| oslist=["linux"], |
| debug_info="gmodules", |
| bugnumber="llvm.org/pr27865") |
| # The -dead_strip linker option isn't supported on FreeBSD versions of ld. |
| @skipIfFreeBSD |
| def test(self): |
| """Test breakpoint works correctly with dead-code stripping.""" |
| self.build() |
| exe = self.getBuildArtifact("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']) |