diff options
Diffstat (limited to 'lib/dfsan/lit_tests/lit.cfg')
-rw-r--r-- | lib/dfsan/lit_tests/lit.cfg | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/dfsan/lit_tests/lit.cfg b/lib/dfsan/lit_tests/lit.cfg new file mode 100644 index 000000000..ce39f4a50 --- /dev/null +++ b/lib/dfsan/lit_tests/lit.cfg @@ -0,0 +1,66 @@ +# -*- 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 config name. +config.name = 'DataFlowSanitizer' + +# 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-dfsan") + +# 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. + dfsan_site_cfg = lit.params.get('dfsan_site_config', None) + if (dfsan_site_cfg) and (os.path.exists(dfsan_site_cfg)): + lit.load_config(config, dfsan_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() + + # Find out the presumed location of generated site config. + llvm_obj_root = lit.util.capture(["llvm-config", "--obj-root"]).strip() + dfsan_site_cfg = os.path.join(llvm_obj_root, "projects", "compiler-rt", + "lib", "dfsan", "lit_tests", "lit.site.cfg") + if (not dfsan_site_cfg) or (not os.path.exists(dfsan_site_cfg)): + DisplayNoConfigMessage() + + lit.load_config(config, dfsan_site_cfg) + raise SystemExit + +# Setup default compiler flags used with -fsanitize=dataflow option. +clang_dfsan_cflags = ["-fsanitize=dataflow"] +clang_dfsan_cxxflags = ["-ccc-cxx "] + clang_dfsan_cflags +config.substitutions.append( ("%clang_dfsan ", + " ".join([config.clang] + clang_dfsan_cflags) + + " ") ) +config.substitutions.append( ("%clangxx_dfsan ", + " ".join([config.clang] + clang_dfsan_cxxflags) + + " ") ) + +# Default test suffixes. +config.suffixes = ['.c', '.cc', '.cpp'] + +# DataFlowSanitizer tests are currently supported on Linux only. +if config.host_os not in ['Linux']: + config.unsupported = True |