Index: clang/lib/Driver/XRayArgs.cpp =================================================================== --- clang/lib/Driver/XRayArgs.cpp +++ clang/lib/Driver/XRayArgs.cpp @@ -51,6 +51,15 @@ D.Diag(diag::err_drv_clang_unsupported) << (std::string(XRayInstrumentOption) + " on " + Triple.str()); } + else if (Triple.getOS() == llvm::Triple::Darwin) + // Experimental support for macos. + switch (Triple.getArch()) { + case llvm::Triple::x86_64: + break; + default: + D.Diag(diag::err_drv_clang_unsupported) + << (std::string(XRayInstrumentOption) + " on " + Triple.str()); + } else D.Diag(diag::err_drv_clang_unsupported) << (std::string(XRayInstrumentOption) + " on non-Linux target OS"); Index: compiler-rt/cmake/config-ix.cmake =================================================================== --- compiler-rt/cmake/config-ix.cmake +++ compiler-rt/cmake/config-ix.cmake @@ -412,13 +412,17 @@ list_intersect(SCUDO_SUPPORTED_ARCH ALL_SCUDO_SUPPORTED_ARCH SANITIZER_COMMON_SUPPORTED_ARCH) - list_intersect(XRAY_SUPPORTED_ARCH - ALL_XRAY_SUPPORTED_ARCH - SANITIZER_COMMON_SUPPORTED_ARCH) list_intersect(FUZZER_SUPPORTED_ARCH ALL_FUZZER_SUPPORTED_ARCH ALL_SANITIZER_COMMON_SUPPORTED_ARCH) + # For XRay, only support x86_64 in APPLE. + # list_intersect(XRAY_SUPPORTED_ARCH + # ALL_XRAY_SUPPORTED_ARCH + # SANITIZER_COMMON_SUPPORTED_ARCH) + set(XRAY_SUPPORTED_ARCH ${X86_64}) + + else() # Architectures supported by compiler-rt libraries. filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH @@ -580,7 +584,7 @@ endif() if (COMPILER_RT_HAS_SANITIZER_COMMON AND XRAY_SUPPORTED_ARCH AND - OS_NAME MATCHES "Linux") + OS_NAME MATCHES "Darwin|Linux") set(COMPILER_RT_HAS_XRAY TRUE) else() set(COMPILER_RT_HAS_XRAY FALSE) Index: compiler-rt/lib/xray/CMakeLists.txt =================================================================== --- compiler-rt/lib/xray/CMakeLists.txt +++ compiler-rt/lib/xray/CMakeLists.txt @@ -76,6 +76,18 @@ RTSanitizerCommon RTSanitizerCommonLibc) +if (APPLE) + # We only support running on osx for now. + add_compiler_rt_runtime(clang_rt.xray + STATIC + OS osx + ARCHS ${XRAY_SUPPORTED_ARCH} + OBJECT_LIBS ${XRAY_COMMON_RUNTIME_OBJECT_LIBS} + SOURCES ${x86_64_SOURCES} + CFLAGS ${XRAY_CFLAGS} + DEFS ${XRAY_COMMON_DEFINITIONS} + PARENT_TARGET xray) +else() foreach(arch ${XRAY_SUPPORTED_ARCH}) if(CAN_TARGET_${arch}) add_compiler_rt_runtime(clang_rt.xray @@ -88,6 +100,7 @@ PARENT_TARGET xray) endif() endforeach() +endif() if(COMPILER_RT_INCLUDE_TESTS) add_subdirectory(tests) Index: compiler-rt/lib/xray/tests/CMakeLists.txt =================================================================== --- compiler-rt/lib/xray/tests/CMakeLists.txt +++ compiler-rt/lib/xray/tests/CMakeLists.txt @@ -12,9 +12,19 @@ -I${COMPILER_RT_SOURCE_DIR}/lib) set(XRAY_TEST_ARCH ${XRAY_SUPPORTED_ARCH}) +set(XRAY_LINK_FLAGS) +append_list_if(COMPILER_RT_HAS_LIBRT -lrt XRAY_LINK_FLAGS) +append_list_if(COMPILER_RT_HAS_LIBM -lm XRAY_LINK_FLAGS) +append_list_if(COMPILER_RT_HAS_LIBPTHREAD -lpthread XRAY_LINK_FLAGS) +if (APPLE) + list(APPEND XRAY_LINK_FLAGS -lc++) +else() + append_list_if(COMPILER_RT_HAS_LIBSTDCXX lstdc++ XRAY_LINK_FLAGS) +endif() + macro(add_xray_unittest testname) cmake_parse_arguments(TEST "" "" "SOURCES;HEADERS" ${ARGN}) - if(UNIX AND NOT APPLE) + if(UNIX) foreach(arch ${XRAY_TEST_ARCH}) set(TEST_OBJECTS) generate_compiler_rt_tests(TEST_OBJECTS @@ -24,9 +34,8 @@ CFLAGS ${XRAY_UNITTEST_CFLAGS} LINK_FLAGS -fxray-instrument ${TARGET_LINK_FLAGS} - -lstdc++ -lm ${CMAKE_THREAD_LIBS_INIT} - -lpthread - -ldl -lrt) + ${CMAKE_THREAD_LIBS_INIT} + ${XRAY_LINK_FLAGS}) set_target_properties(XRayUnitTests PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) endforeach() endif() Index: compiler-rt/lib/xray/xray_init.cc =================================================================== --- compiler-rt/lib/xray/xray_init.cc +++ compiler-rt/lib/xray/xray_init.cc @@ -88,7 +88,8 @@ #endif } -#ifndef XRAY_NO_PREINIT +// Only add the preinit array initialization if the sanitizers can. +#if !defined(XRAY_NO_PREINIT) && SANITIZER_CAN_USE_PREINIT_ARRAY __attribute__((section(".preinit_array"), used)) void (*__local_xray_preinit)(void) = __xray_init; #endif Index: compiler-rt/test/xray/TestCases/Darwin/always-never-instrument.cc =================================================================== --- /dev/null +++ compiler-rt/test/xray/TestCases/Darwin/always-never-instrument.cc @@ -0,0 +1,23 @@ +// Test that the always/never instrument lists apply. +// RUN: echo "fun:main" > %tmp-always.txt +// RUN: echo "fun:__xray*" > %tmp-never.txt +// RUN: %clangxx_xray \ +// RUN: -fxray-never-instrument=%tmp-never.txt \ +// RUN: -fxray-always-instrument=%tmp-always.txt \ +// RUN: %s -o %t +// RUN: %llvm_xray extract -symbolize %t | \ +// RUN: FileCheck %s --check-prefix NOINSTR +// RUN: %llvm_xray extract -symbolize %t | \ +// RUN: FileCheck %s --check-prefix ALWAYSINSTR +// REQUIRES: x86_64-linux +// REQUIRES: built-in-llvm-tree + +// NOINSTR-NOT: {{.*__xray_NeverInstrumented.*}} +int __xray_NeverInstrumented() { + return 0; +} + +// ALWAYSINSTR: {{.*function-name:.*main.*}} +int main(int argc, char *argv[]) { + return __xray_NeverInstrumented(); +} Index: compiler-rt/test/xray/TestCases/Darwin/lit.local.cfg =================================================================== --- /dev/null +++ compiler-rt/test/xray/TestCases/Darwin/lit.local.cfg @@ -0,0 +1,9 @@ +def getRoot(config): + if not config.parent: + return config + return getRoot(config.parent) + +root = getRoot(config) + +if root.host_os not in ['Darwin']: + config.unsupported = True Index: compiler-rt/test/xray/TestCases/Linux/lit.local.cfg =================================================================== --- /dev/null +++ compiler-rt/test/xray/TestCases/Linux/lit.local.cfg @@ -0,0 +1,9 @@ +def getRoot(config): + if not config.parent: + return config + return getRoot(config.parent) + +root = getRoot(config) + +if root.host_os not in ['Linux']: + config.unsupported = True Index: compiler-rt/test/xray/lit.cfg =================================================================== --- compiler-rt/test/xray/lit.cfg +++ compiler-rt/test/xray/lit.cfg @@ -40,7 +40,7 @@ # Default test suffixes. config.suffixes = ['.c', '.cc', '.cpp'] -if config.host_os not in ['Linux']: +if config.host_os not in ['Linux', 'Darwin']: config.unsupported = True elif '64' not in config.host_arch: if 'arm' in config.host_arch: