| """Test that thread-local storage can be read correctly.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class TlsGlobalTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| @unittest2.expectedFailure("rdar://7796742") |
| def test_with_dsym(self): |
| """Test thread-local storage.""" |
| self.buildDsym() |
| self.tls_globals() |
| |
| @dwarf_test |
| @unittest2.expectedFailure("rdar://7796742") |
| def test_with_dwarf(self): |
| """Test thread-local storage.""" |
| self.buildDwarf() |
| self.tls_globals() |
| |
| def setUp(self): |
| TestBase.setUp(self) |
| |
| if sys.platform.startswith("freebsd") or sys.platform.startswith("linux"): |
| # LD_LIBRARY_PATH must be set so the shared libraries are found on startup |
| if "LD_LIBRARY_PATH" in os.environ: |
| self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.environ["LD_LIBRARY_PATH"] + ":" + os.getcwd()) |
| else: |
| self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.getcwd()) |
| self.addTearDownHook(lambda: self.runCmd("settings remove target.env-vars " + self.dylibPath)) |
| |
| def tls_globals(self): |
| """Test thread-local storage.""" |
| |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| line1 = line_number('main.c', '// thread breakpoint') |
| lldbutil.run_break_set_by_file_and_line (self, "main.c", line1, num_expected_locations=1, loc_exact=True) |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.runCmd("process status", "Get process status") |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'stop reason = breakpoint']) |
| |
| # BUG: sometimes lldb doesn't change threads to the stopped thread. |
| # (unrelated to this test). |
| self.runCmd("thread select 2", "Change thread") |
| |
| # Check that TLS evaluates correctly within the thread. |
| self.expect("expr var_static", VARIABLES_DISPLAYED_CORRECTLY, |
| patterns = ["\(int\) \$.* = 88"]) |
| self.expect("expr var_shared", VARIABLES_DISPLAYED_CORRECTLY, |
| patterns = ["\(int\) \$.* = 66"]) |
| |
| # Continue on the main thread |
| line2 = line_number('main.c', '// main breakpoint') |
| lldbutil.run_break_set_by_file_and_line (self, "main.c", line2, num_expected_locations=1, loc_exact=True) |
| self.runCmd("continue", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.runCmd("process status", "Get process status") |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'stop reason = breakpoint']) |
| |
| # BUG: sometimes lldb doesn't change threads to the stopped thread. |
| # (unrelated to this test). |
| self.runCmd("thread select 1", "Change thread") |
| |
| # Check that TLS evaluates correctly within the main thread. |
| self.expect("expr var_static", VARIABLES_DISPLAYED_CORRECTLY, |
| patterns = ["\(int\) \$.* = 44"]) |
| self.expect("expr var_shared", VARIABLES_DISPLAYED_CORRECTLY, |
| patterns = ["\(int\) \$.* = 33"]) |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
