diff options
Diffstat (limited to 'lib/tsan/lit_tests/lit.cfg')
| -rw-r--r-- | lib/tsan/lit_tests/lit.cfg | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/lit.cfg b/lib/tsan/lit_tests/lit.cfg new file mode 100644 index 000000000000..7e2db7b8fd0b --- /dev/null +++ b/lib/tsan/lit_tests/lit.cfg @@ -0,0 +1,93 @@ +# -*- Python -*- + +import os + +# Setup config name. +config.name = 'ThreadSanitizer' + +# Setup source root. +config.test_source_root = os.path.dirname(__file__) + +def DisplayNoConfigMessage(): + lit.fatal("No site specific configuration available! " + + "Try running your test from the build tree or running " + + "make check-tsan") + +# Figure out LLVM source root. +llvm_src_root = getattr(config, 'llvm_src_root', None) +if llvm_src_root is None: + # We probably haven't loaded the site-specific configuration: the user + # is likely trying to run a test file directly, and the site configuration + # wasn't created by the build system. + tsan_site_cfg = lit.params.get('tsan_site_config', None) + if (tsan_site_cfg) and (os.path.exists(tsan_site_cfg)): + lit.load_config(config, tsan_site_cfg) + raise SystemExit + + # Try to guess the location of site-specific configuration using llvm-config + # util that can point where the build tree is. + llvm_config = lit.util.which("llvm-config", config.environment["PATH"]) + if not llvm_config: + DisplayNoConfigMessage() + + # Validate that llvm-config points to the same source tree. + llvm_src_root = lit.util.capture(["llvm-config", "--src-root"]).strip() + tsan_test_src_root = os.path.join(llvm_src_root, "projects", "compiler-rt", + "lib", "tsan", "lit_tests") + if (os.path.realpath(tsan_test_src_root) != + os.path.realpath(config.test_source_root)): + DisplayNoConfigMessage() + + # Find out the presumed location of generated site config. + llvm_obj_root = lit.util.capture(["llvm-config", "--obj-root"]).strip() + tsan_site_cfg = os.path.join(llvm_obj_root, "projects", "compiler-rt", + "lib", "tsan", "lit_tests", "lit.site.cfg") + if (not tsan_site_cfg) or (not os.path.exists(tsan_site_cfg)): + DisplayNoConfigMessage() + + lit.load_config(config, tsan_site_cfg) + raise SystemExit + +# Setup attributes common for all compiler-rt projects. +compiler_rt_lit_cfg = os.path.join(llvm_src_root, "projects", "compiler-rt", + "lib", "lit.common.cfg") +if (not compiler_rt_lit_cfg) or (not os.path.exists(compiler_rt_lit_cfg)): + lit.fatal("Can't find common compiler-rt lit config at: %r" + % compiler_rt_lit_cfg) +lit.load_config(config, compiler_rt_lit_cfg) + +# Setup environment variables for running ThreadSanitizer. +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. +clang_tsan_cflags = ("-fsanitize=thread " + + "-fPIE " + + "-fno-builtin " + + "-g " + + "-Wall " + + "-pie " + + "-lpthread " + + "-ldl ") +clang_tsan_cxxflags = "-ccc-cxx " + clang_tsan_cflags +config.substitutions.append( ("%clangxx_tsan ", (" " + config.clang + " " + + clang_tsan_cxxflags + " ")) ) +config.substitutions.append( ("%clang_tsan ", (" " + config.clang + " " + + clang_tsan_cflags + " ")) ) + +# Define CHECK-%os to check for OS-dependent output. +config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os))) + +# Default test suffixes. +config.suffixes = ['.c', '.cc', '.cpp'] + +# ThreadSanitizer tests are currently supported on Linux only. +if config.host_os not in ['Linux']: + config.unsupported = True |