1 files changed, 37 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/Unit/lit.cfg b/lib/tsan/lit_tests/Unit/lit.cfg
new file mode 100644
index 000000000000..6688697c0c1b
--- /dev/null
+++ b/lib/tsan/lit_tests/Unit/lit.cfg
@@ -0,0 +1,37 @@
+# -*- Python -*-
+
+import os
+
+def get_required_attr(config, attr_name):
+  attr_value = getattr(config, attr_name, None)
+  if not attr_value:
+    lit.fatal("No attribute %r in test configuration! You may need to run "
+              "tests from your build directory or add this attribute "
+              "to lit.site.cfg " % attr_name)
+  return attr_value
+
+# Setup attributes common for all compiler-rt projects.
+llvm_src_root = get_required_attr(config, 'llvm_src_root')
+compiler_rt_lit_unit_cfg = os.path.join(llvm_src_root, "projects",
+                                        "compiler-rt", "lib",
+                                        "lit.common.unit.cfg")
+lit.load_config(config, compiler_rt_lit_unit_cfg)
+
+# Setup config name.
+config.name = 'ThreadSanitizer-Unit'
+
+# Setup test source and exec root. For unit tests, we define
+# it as build directory with TSan unit tests.
+llvm_obj_root = get_required_attr(config, "llvm_obj_root")
+config.test_exec_root = os.path.join(llvm_obj_root, "projects",
+                                     "compiler-rt", "lib",
+                                     "tsan", "tests")
+config.test_source_root = config.test_exec_root
+
+# Get path to external LLVM symbolizer to run ThreadSanitizer unit tests.
+llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
+if llvm_tools_dir:
+  llvm_symbolizer_path = os.path.join(llvm_tools_dir, "llvm-symbolizer")
+  config.environment['TSAN_OPTIONS'] = ("external_symbolizer_path=" +
+                                        llvm_symbolizer_path)
+