# Run TSan output tests only if we're not cross-compiling,
# and can be sure that clang would produce working binaries.
set(TSAN_TEST_DEPS
- clang clang-headers FileCheck count not
+ clang clang-headers FileCheck count not llvm-symbolizer
${TSAN_RUNTIME_LIBRARIES}
)
set(TSAN_TEST_PARAMS
# Otherwise run only TSan unit tests.
add_lit_testsuite(check-tsan "Running ThreadSanitizer tests"
${CMAKE_CURRENT_BINARY_DIR}/Unit
- DEPENDS TsanUnitTests)
+ DEPENDS TsanUnitTests llvm-symbolizer)
set_target_properties(check-tsan PROPERTIES FOLDER "TSan unittests")
endif()
"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)
+
config.build_type = "@CMAKE_BUILD_TYPE@"
config.llvm_obj_root = "@LLVM_BINARY_DIR@"
config.llvm_src_root = "@LLVM_SOURCE_DIR@"
+config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
+
+# LLVM tools dir can be passed in lit parameters, so try to
+# apply substitution.
+try:
+ config.llvm_tools_dir = config.llvm_tools_dir % lit.params
+except KeyError,e:
+ key, = e.args
+ lit.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key, key))
# Let the main config do the real work.
lit.load_config(config, "@CMAKE_CURRENT_SOURCE_DIR@/Unit/lit.cfg")
lit.load_config(config, compiler_rt_lit_cfg)
# Setup environment variables for running ThreadSanitizer.
-config.environment['TSAN_OPTIONS'] = "atexit_sleep_ms=0"
+tsan_options = "atexit_sleep_ms=0"
+# Get path to external LLVM symbolizer to run ThreadSanitizer output 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")
+ tsan_options += " " + "external_symbolizer_path=" + llvm_symbolizer_path
+
+config.environment['TSAN_OPTIONS'] = tsan_options
# Setup default compiler flags used with -fsanitize=thread option.
# FIXME: Review the set of required flags and check if it can be reduced.