| """Test that thread-local storage can be read correctly.""" |
| |
| from __future__ import print_function |
| |
| |
| import unittest2 |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TlsGlobalTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| TestBase.setUp(self) |
| |
| if self.getPlatform() == "freebsd" or self.getPlatform() == "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"] + |
| ":" + |
| self.getBuildDir()) |
| else: |
| self.runCmd("settings set target.env-vars " + |
| self.dylibPath + "=" + self.getBuildDir()) |
| self.addTearDownHook( |
| lambda: self.runCmd( |
| "settings remove target.env-vars " + |
| self.dylibPath)) |
| |
| # TLS works differently on Windows, this would need to be implemented |
| # separately. |
| @skipIfWindows |
| @expectedFailureAll( |
| bugnumber="llvm.org/pr28392", |
| oslist=no_match( |
| lldbplatformutil.getDarwinOSTriples())) |
| def test(self): |
| """Test thread-local storage.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| target = self.dbg.CreateTarget(exe) |
| if self.platformIsDarwin(): |
| self.registerSharedLibrariesWithTarget(target, ['liba.dylib']) |
| |
| 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"]) |
