72 lines · python
1# -*- Python -*-2 3import os4 5# Setup config name.6config.name = "GWP-ASan" + config.name_suffix7 8# Setup source root.9config.test_source_root = os.path.dirname(__file__)10 11# Test suffixes.12config.suffixes = [".c", ".cpp", ".test"]13 14# C & CXX flags.15c_flags = [config.target_cflags]16 17cxx_flags = c_flags + config.cxx_mode_flags + ["-std=c++14"]18 19libscudo_standalone = os.path.join(20 config.compiler_rt_libdir, "libclang_rt.scudo_standalone%s.a" % config.target_suffix21)22libscudo_standalone_cxx = os.path.join(23 config.compiler_rt_libdir,24 "libclang_rt.scudo_standalone_cxx%s.a" % config.target_suffix,25)26 27scudo_link_flags = [28 "-pthread",29 "-Wl,--whole-archive",30 libscudo_standalone,31 "-Wl,--no-whole-archive",32]33scudo_link_cxx_flags = [34 "-Wl,--whole-archive",35 libscudo_standalone_cxx,36 "-Wl,--no-whole-archive",37]38 39# -rdynamic is necessary for online function symbolization.40gwp_asan_flags = ["-rdynamic"] + scudo_link_flags41 42 43def build_invocation(compile_flags):44 return " " + " ".join([config.clang] + compile_flags) + " "45 46 47# Add substitutions.48config.substitutions.append(("%clang ", build_invocation(c_flags)))49config.substitutions.append(50 ("%clang_gwp_asan ", build_invocation(c_flags + gwp_asan_flags))51)52config.substitutions.append(53 (54 "%clangxx_gwp_asan ",55 build_invocation(cxx_flags + gwp_asan_flags + scudo_link_cxx_flags),56 )57)58 59# Platform-specific default GWP_ASAN for lit tests. Ensure that GWP-ASan is60# enabled and that it samples every allocation.61default_gwp_asan_options = "GWP_ASAN_Enabled=1:GWP_ASAN_SampleRate=1"62 63config.environment["SCUDO_OPTIONS"] = default_gwp_asan_options64default_gwp_asan_options += ":"65config.substitutions.append(66 ("%env_scudo_options=", "env SCUDO_OPTIONS=" + default_gwp_asan_options)67)68 69# GWP-ASan tests are currently supported on Linux only.70if config.target_os not in ["Linux"]:71 config.unsupported = True72