1 files changed, 75 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/c/tls_globals/TestTlsGlobals.py b/packages/Python/lldbsuite/test/lang/c/tls_globals/TestTlsGlobals.py
new file mode 100644
index 000000000000..0d9e22ec3adf
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/c/tls_globals/TestTlsGlobals.py
@@ -0,0 +1,75 @@
+"""Test that thread-local storage can be read correctly."""
+
+from __future__ import print_function
+
+
+
+import unittest2
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as 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"] + ":" + 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))
+
+    @unittest2.expectedFailure("rdar://7796742")
+    @skipIfWindows # TLS works differently on Windows, this would need to be implemented separately.
+    def test(self):
+        """Test thread-local storage."""
+        self.build()
+        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"])