mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-11-24 22:30:13 +00:00
1410b72be3
Right now, the regex expression will fail if the flags were not set. Instead, we should follow the pattern of other llvm projects and quote the expression, so that it can work even when the flags are not set. Reviewed By: phosek Differential Revision: https://reviews.llvm.org/D92586
637 lines
25 KiB
CMake
637 lines
25 KiB
CMake
# CMake build for CompilerRT.
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#
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# An important constraint of the build is that it only produces libraries
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# based on the ability of the host toolchain to target various platforms.
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cmake_minimum_required(VERSION 3.13.4)
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if(POLICY CMP0075)
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cmake_policy(SET CMP0075 NEW)
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endif()
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# Check if compiler-rt is built as a standalone project.
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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR COMPILER_RT_STANDALONE_BUILD)
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project(CompilerRT C CXX ASM)
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set(COMPILER_RT_STANDALONE_BUILD TRUE)
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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endif()
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# Add path for custom compiler-rt modules.
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list(INSERT CMAKE_MODULE_PATH 0
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
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)
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if(CMAKE_CONFIGURATION_TYPES)
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set(CMAKE_CFG_RESOLVED_INTDIR "${CMAKE_CFG_INTDIR}/")
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else()
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set(CMAKE_CFG_RESOLVED_INTDIR "")
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endif()
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include(base-config-ix)
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include(CompilerRTUtils)
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option(COMPILER_RT_BUILD_BUILTINS "Build builtins" ON)
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mark_as_advanced(COMPILER_RT_BUILD_BUILTINS)
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option(COMPILER_RT_BUILD_CRT "Build crtbegin.o/crtend.o" ON)
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mark_as_advanced(COMPILER_RT_BUILD_CRT)
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option(COMPILER_RT_CRT_USE_EH_FRAME_REGISTRY "Use eh_frame in crtbegin.o/crtend.o" ON)
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mark_as_advanced(COMPILER_RT_CRT_USE_EH_FRAME_REGISTRY)
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option(COMPILER_RT_BUILD_SANITIZERS "Build sanitizers" ON)
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mark_as_advanced(COMPILER_RT_BUILD_SANITIZERS)
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option(COMPILER_RT_BUILD_XRAY "Build xray" ON)
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mark_as_advanced(COMPILER_RT_BUILD_XRAY)
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option(COMPILER_RT_BUILD_LIBFUZZER "Build libFuzzer" ON)
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mark_as_advanced(COMPILER_RT_BUILD_LIBFUZZER)
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option(COMPILER_RT_BUILD_PROFILE "Build profile runtime" ON)
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mark_as_advanced(COMPILER_RT_BUILD_PROFILE)
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option(COMPILER_RT_BUILD_MEMPROF "Build memory profiling runtime" ON)
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mark_as_advanced(COMPILER_RT_BUILD_MEMPROF)
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option(COMPILER_RT_BUILD_XRAY_NO_PREINIT "Build xray with no preinit patching" OFF)
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mark_as_advanced(COMPILER_RT_BUILD_XRAY_NO_PREINIT)
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set(COMPILER_RT_ASAN_SHADOW_SCALE ""
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CACHE STRING "Override the shadow scale to be used in ASan runtime")
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if (NOT COMPILER_RT_ASAN_SHADOW_SCALE STREQUAL "")
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# Check that the shadow scale value is valid.
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if (NOT (COMPILER_RT_ASAN_SHADOW_SCALE GREATER -1 AND
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COMPILER_RT_ASAN_SHADOW_SCALE LESS 8))
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message(FATAL_ERROR "
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Invalid ASan Shadow Scale '${COMPILER_RT_ASAN_SHADOW_SCALE}'.")
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endif()
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set(COMPILER_RT_ASAN_SHADOW_SCALE_LLVM_FLAG
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-mllvm -asan-mapping-scale=${COMPILER_RT_ASAN_SHADOW_SCALE})
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set(COMPILER_RT_ASAN_SHADOW_SCALE_DEFINITION
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ASAN_SHADOW_SCALE=${COMPILER_RT_ASAN_SHADOW_SCALE})
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set(COMPILER_RT_ASAN_SHADOW_SCALE_FLAG
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-D${COMPILER_RT_ASAN_SHADOW_SCALE_DEFINITION})
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endif()
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set(COMPILER_RT_HWASAN_WITH_INTERCEPTORS ON CACHE BOOL
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"Enable libc interceptors in HWASan (testing mode)")
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set(COMPILER_RT_BAREMETAL_BUILD OFF CACHE BOOL
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"Build for a bare-metal target.")
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if (COMPILER_RT_STANDALONE_BUILD)
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load_llvm_config()
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if (TARGET intrinsics_gen)
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# Loading the llvm config causes this target to be imported so place it
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# under the appropriate folder in an IDE.
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set_target_properties(intrinsics_gen PROPERTIES FOLDER "Compiler-RT Misc")
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endif()
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find_package(Python3 COMPONENTS Interpreter)
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if(NOT Python3_Interpreter_FOUND)
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message(WARNING "Python3 not found, using python2 as a fallback")
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find_package(Python2 COMPONENTS Interpreter REQUIRED)
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if(Python2_VERSION VERSION_LESS 2.7)
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message(SEND_ERROR "Python 2.7 or newer is required")
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endif()
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# Treat python2 as python3
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add_executable(Python3::Interpreter IMPORTED)
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set_target_properties(Python3::Interpreter PROPERTIES
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IMPORTED_LOCATION ${Python2_EXECUTABLE})
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set(Python3_EXECUTABLE ${Python2_EXECUTABLE})
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endif()
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# Ensure that fat libraries are built correctly on Darwin
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if(APPLE)
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include(UseLibtool)
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endif()
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# Define default arguments to lit.
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set(LIT_ARGS_DEFAULT "-sv")
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if (MSVC OR XCODE)
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set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
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endif()
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set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
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set(LLVM_LIT_OUTPUT_DIR "${COMPILER_RT_EXEC_OUTPUT_DIR}")
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endif()
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construct_compiler_rt_default_triple()
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if ("${COMPILER_RT_DEFAULT_TARGET_TRIPLE}" MATCHES ".*hf$")
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if (${COMPILER_RT_DEFAULT_TARGET_ARCH} MATCHES "^arm")
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set(COMPILER_RT_DEFAULT_TARGET_ARCH "armhf")
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CHECK_SYMBOL_EXISTS (__thumb__ "" COMPILER_RT_ARM_THUMB)
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endif()
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endif()
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if ("${COMPILER_RT_DEFAULT_TARGET_TRIPLE}" MATCHES ".*android.*")
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set(ANDROID 1)
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string(REGEX MATCH "-target(=| +)[^ ]+android[a-z]*([0-9]+)" ANDROID_API_LEVEL "${CMAKE_C_FLAGS}")
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set(ANDROID_API_LEVEL ${CMAKE_MATCH_2})
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endif()
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pythonize_bool(ANDROID)
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set(COMPILER_RT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(COMPILER_RT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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pythonize_bool(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR)
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# We support running instrumented tests when we're not cross compiling
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# and target a UNIX-like system or Windows.
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# We can run tests on Android even when we are cross-compiling.
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if(("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND (UNIX OR WIN32)) OR ANDROID
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OR COMPILER_RT_EMULATOR)
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option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" ON)
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else()
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option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" OFF)
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endif()
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option(COMPILER_RT_DEBUG "Build runtimes with full debug info" OFF)
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option(COMPILER_RT_EXTERNALIZE_DEBUGINFO
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"Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
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# COMPILER_RT_DEBUG_PYBOOL is used by lit.common.configured.in.
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pythonize_bool(COMPILER_RT_DEBUG)
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option(COMPILER_RT_INTERCEPT_LIBDISPATCH
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"Support interception of libdispatch (GCD). Requires '-fblocks'" OFF)
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option(COMPILER_RT_LIBDISPATCH_INSTALL_PATH
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"Specify if libdispatch is installed in a custom location" "")
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if (COMPILER_RT_INTERCEPT_LIBDISPATCH AND NOT APPLE)
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set(COMPILER_RT_LIBDISPATCH_CFLAGS -fblocks)
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set(COMPILER_RT_TEST_LIBDISPATCH_CFLAGS)
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if (COMPILER_RT_LIBDISPATCH_INSTALL_PATH)
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list(APPEND COMPILER_RT_TEST_LIBDISPATCH_CFLAGS
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-I${COMPILER_RT_LIBDISPATCH_INSTALL_PATH}/include
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-L${COMPILER_RT_LIBDISPATCH_INSTALL_PATH}/lib
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-Wl,-rpath=${COMPILER_RT_LIBDISPATCH_INSTALL_PATH}/lib)
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endif()
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list(APPEND COMPILER_RT_TEST_LIBDISPATCH_CFLAGS -lBlocksRuntime -ldispatch)
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endif()
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if (APPLE) # Always enable on Apple platforms.
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set(COMPILER_RT_INTERCEPT_LIBDISPATCH ON)
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endif()
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pythonize_bool(COMPILER_RT_INTERCEPT_LIBDISPATCH)
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if(APPLE AND SANITIZER_MIN_OSX_VERSION AND SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.9")
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# Mac OS X prior to 10.9 had problems with exporting symbols from
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# libc++/libc++abi.
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set(cxxabi_supported OFF)
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else()
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set(cxxabi_supported ON)
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endif()
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option(SANITIZER_ALLOW_CXXABI "Allow use of C++ ABI details in ubsan" ON)
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set(SANITIZE_CAN_USE_CXXABI OFF)
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if (cxxabi_supported AND SANITIZER_ALLOW_CXXABI)
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set(SANITIZER_CAN_USE_CXXABI ON)
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endif()
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pythonize_bool(SANITIZER_CAN_USE_CXXABI)
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macro(handle_default_cxx_lib var)
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# Specifying -stdlib= in CMAKE_CXX_FLAGS overrides the defaults.
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if (CMAKE_CXX_FLAGS MATCHES "-stdlib=([a-zA-Z+]*)")
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set(${var}_LIBNAME "${CMAKE_MATCH_1}")
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set(${var}_SYSTEM 1)
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elseif (${var} STREQUAL "default")
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if (APPLE OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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set(${var}_LIBNAME "libc++")
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set(${var}_SYSTEM 1)
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elseif (FUCHSIA)
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set(${var}_LIBNAME "libc++")
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set(${var}_INTREE 1)
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else()
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set(${var}_LIBNAME "libstdc++")
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set(${var}_SYSTEM 1)
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endif()
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else()
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set(${var}_LIBNAME "${${var}}")
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set(${var}_SYSTEM 1)
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endif()
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endmacro()
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# This is either directly the C++ ABI library or the full C++ library
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# which pulls in the ABI transitively.
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set(SANITIZER_CXX_ABI "default" CACHE STRING
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"Specify C++ ABI library to use.")
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set(CXXABIS none default libstdc++ libc++ libcxxabi)
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set_property(CACHE SANITIZER_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
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handle_default_cxx_lib(SANITIZER_CXX_ABI)
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# This needs to be a full C++ library for linking gtest and unit tests.
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set(SANITIZER_TEST_CXX "default" CACHE STRING
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"Specify C++ library to use for tests.")
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set(CXXLIBS none default libstdc++ libc++)
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set_property(CACHE SANITIZER_TEST_CXX PROPERTY STRINGS ;${CXXLIBS})
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handle_default_cxx_lib(SANITIZER_TEST_CXX)
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set(DEFAULT_SANITIZER_USE_STATIC_LLVM_UNWINDER OFF)
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if (FUCHSIA)
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set(DEFAULT_SANITIZER_USE_STATIC_LLVM_UNWINDER ON)
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elseif (DEFINED LIBUNWIND_ENABLE_SHARED AND NOT LIBUNWIND_ENABLE_SHARED)
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set(DEFAULT_SANITIZER_USE_STATIC_LLVM_UNWINDER ON)
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endif()
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option(SANITIZER_USE_STATIC_LLVM_UNWINDER
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"Use static LLVM unwinder." ${DEFAULT_SANITIZER_USE_STATIC_LLVM_UNWINDER})
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set(DEFAULT_SANITIZER_USE_STATIC_CXX_ABI OFF)
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if (DEFINED LIBCXXABI_ENABLE_SHARED AND NOT LIBCXXABI_ENABLE_SHARED)
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set(DEFAULT_SANITIZER_USE_STATIC_CXX_ABI ON)
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endif()
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option(SANITIZER_USE_STATIC_CXX_ABI
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"Use static libc++abi." ${DEFAULT_SANITIZER_USE_STATIC_CXX_ABI})
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set(DEFAULT_COMPILER_RT_USE_BUILTINS_LIBRARY OFF)
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if (FUCHSIA)
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set(DEFAULT_COMPILER_RT_USE_BUILTINS_LIBRARY ON)
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endif()
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option(COMPILER_RT_USE_BUILTINS_LIBRARY
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"Use compiler-rt builtins instead of libgcc" ${DEFAULT_COMPILER_RT_USE_BUILTINS_LIBRARY})
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include(config-ix)
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#================================
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# Setup Compiler Flags
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#================================
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if(MSVC)
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# Override any existing /W flags with /W4. This is what LLVM does. Failing to
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# remove other /W[0-4] flags will result in a warning about overriding a
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# previous flag.
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if (COMPILER_RT_HAS_W4_FLAG)
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string(REGEX REPLACE " /W[0-4]" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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string(REGEX REPLACE " /W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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append_string_if(COMPILER_RT_HAS_W4_FLAG /W4 CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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endif()
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else()
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append_string_if(COMPILER_RT_HAS_WALL_FLAG -Wall CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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endif()
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if(COMPILER_RT_ENABLE_WERROR)
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append_string_if(COMPILER_RT_HAS_WERROR_FLAG -Werror CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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append_string_if(COMPILER_RT_HAS_WX_FLAG /WX CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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endif()
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append_string_if(COMPILER_RT_HAS_STD_CXX14_FLAG -std=c++14 CMAKE_CXX_FLAGS)
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# Emulate C99 and C++11's __func__ for MSVC prior to 2013 CTP.
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if(NOT COMPILER_RT_HAS_FUNC_SYMBOL)
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add_definitions(-D__func__=__FUNCTION__)
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endif()
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# Provide some common commmandline flags for Sanitizer runtimes.
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if("${ANDROID_API_LEVEL}" GREATER_EQUAL 28)
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list(APPEND SANITIZER_COMMON_CFLAGS -fno-emulated-tls)
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string(APPEND COMPILER_RT_TEST_COMPILER_CFLAGS " -fno-emulated-tls")
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endif()
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if(NOT WIN32)
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append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC SANITIZER_COMMON_CFLAGS)
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endif()
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append_list_if(COMPILER_RT_HAS_FNO_BUILTIN_FLAG -fno-builtin SANITIZER_COMMON_CFLAGS)
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append_list_if(COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions SANITIZER_COMMON_CFLAGS)
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if(NOT COMPILER_RT_DEBUG AND NOT APPLE)
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append_list_if(COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG -fomit-frame-pointer SANITIZER_COMMON_CFLAGS)
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endif()
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append_list_if(COMPILER_RT_HAS_FUNWIND_TABLES_FLAG -funwind-tables SANITIZER_COMMON_CFLAGS)
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append_list_if(COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG -fno-stack-protector SANITIZER_COMMON_CFLAGS)
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append_list_if(COMPILER_RT_HAS_FNO_SANITIZE_SAFE_STACK_FLAG -fno-sanitize=safe-stack SANITIZER_COMMON_CFLAGS)
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append_list_if(COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG -fvisibility=hidden SANITIZER_COMMON_CFLAGS)
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if(NOT COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG)
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append_list_if(COMPILER_RT_HAS_FVISIBILITY_INLINES_HIDDEN_FLAG -fvisibility-inlines-hidden SANITIZER_COMMON_CFLAGS)
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endif()
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append_list_if(COMPILER_RT_HAS_FNO_LTO_FLAG -fno-lto SANITIZER_COMMON_CFLAGS)
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# By default do not instrument or use profdata for compiler-rt.
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if(NOT COMPILER_RT_ENABLE_PGO)
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if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
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list(APPEND SANITIZER_COMMON_CFLAGS "-fno-profile-instr-use")
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endif()
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if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG)
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list(APPEND SANITIZER_COMMON_CFLAGS "-fno-profile-generate")
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elseif(LLVM_BUILD_INSTRUMENTED AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG)
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list(APPEND SANITIZER_COMMON_CFLAGS "-fno-profile-instr-generate")
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endif()
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endif()
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# The following is a workaround for powerpc64le. This is the only architecture
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# that requires -fno-function-sections to work properly. If lacking, the ASan
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# Linux test function-sections-are-bad.cpp fails with the following error:
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# 'undefined symbol: __sanitizer_unaligned_load32'.
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if(DEFINED TARGET_powerpc64le_CFLAGS)
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if(CMAKE_CXX_COMPILER_ID MATCHES "XL")
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append("-qnofuncsect" TARGET_powerpc64le_CFLAGS)
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else()
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append_list_if(COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG -fno-function-sections TARGET_powerpc64le_CFLAGS)
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endif()
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endif()
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# The following is a workaround for s390x. This avoids creation of "partial
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# inline" function fragments when building the asan libraries with certain
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# GCC versions. The presence of those fragments, in particular for the
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# interceptors, changes backtraces seen in asan error cases, which causes
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# testsuite failures.
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if("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "s390x")
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append_list_if(COMPILER_RT_HAS_FNO_PARTIAL_INLINING_FLAG -fno-partial-inlining SANITIZER_COMMON_CFLAGS)
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endif()
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if(MSVC)
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# Replace the /M[DT][d] flags with /MT, and strip any definitions of _DEBUG,
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# which cause definition mismatches at link time.
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# FIXME: In fact, sanitizers should support both /MT and /MD, see PR20214.
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if(COMPILER_RT_HAS_MT_FLAG)
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foreach(flag_var
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CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
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string(REGEX REPLACE "/M[DT]d" "/MT" ${flag_var} "${${flag_var}}")
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string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
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string(REGEX REPLACE "/D_DEBUG" "" ${flag_var} "${${flag_var}}")
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endforeach()
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endif()
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append_list_if(COMPILER_RT_HAS_Oy_FLAG /Oy- SANITIZER_COMMON_CFLAGS)
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append_list_if(COMPILER_RT_HAS_GS_FLAG /GS- SANITIZER_COMMON_CFLAGS)
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# Disable thread safe initialization for static locals. ASan shouldn't need
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# it. Thread safe initialization assumes that the CRT has already been
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# initialized, but ASan initializes before the CRT.
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list(APPEND SANITIZER_COMMON_CFLAGS /Zc:threadSafeInit-)
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endif()
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append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 SANITIZER_COMMON_CFLAGS)
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# If we're using MSVC,
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# always respect the optimization flags set by CMAKE_BUILD_TYPE instead.
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if (NOT MSVC)
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# Build with optimization, unless we're in debug mode.
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if(COMPILER_RT_DEBUG)
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list(APPEND SANITIZER_COMMON_CFLAGS -O0)
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else()
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list(APPEND SANITIZER_COMMON_CFLAGS -O3)
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endif()
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endif()
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# Determine if we should restrict stack frame sizes.
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# Stack frames on PowerPC, Mips, SystemZ and in debug build can be much larger than
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# anticipated.
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|
# FIXME: Fix all sanitizers and add -Wframe-larger-than to
|
|
# SANITIZER_COMMON_FLAGS
|
|
if(COMPILER_RT_HAS_WFRAME_LARGER_THAN_FLAG AND NOT COMPILER_RT_DEBUG
|
|
AND NOT ${COMPILER_RT_DEFAULT_TARGET_ARCH} MATCHES "powerpc|mips|s390x")
|
|
set(SANITIZER_LIMIT_FRAME_SIZE TRUE)
|
|
else()
|
|
set(SANITIZER_LIMIT_FRAME_SIZE FALSE)
|
|
endif()
|
|
|
|
if(FUCHSIA OR UNIX)
|
|
set(SANITIZER_USE_SYMBOLS TRUE)
|
|
else()
|
|
set(SANITIZER_USE_SYMBOLS FALSE)
|
|
endif()
|
|
|
|
# Build sanitizer runtimes with debug info.
|
|
if(MSVC)
|
|
# Use /Z7 instead of /Zi for the asan runtime. This avoids the LNK4099
|
|
# warning from the MS linker complaining that it can't find the 'vc140.pdb'
|
|
# file used by our object library compilations.
|
|
list(APPEND SANITIZER_COMMON_CFLAGS /Z7)
|
|
foreach(var_to_update
|
|
CMAKE_CXX_FLAGS
|
|
CMAKE_CXX_FLAGS_DEBUG
|
|
CMAKE_CXX_FLAGS_RELWITHDEBINFO)
|
|
string(REGEX REPLACE "(^| )/Z[i7I]($| )" " /Z7 "
|
|
"${var_to_update}" "${${var_to_update}}")
|
|
endforeach()
|
|
elseif(COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG AND NOT COMPILER_RT_DEBUG)
|
|
list(APPEND SANITIZER_COMMON_CFLAGS -gline-tables-only)
|
|
elseif(COMPILER_RT_HAS_G_FLAG)
|
|
list(APPEND SANITIZER_COMMON_CFLAGS -g)
|
|
endif()
|
|
|
|
if(LLVM_ENABLE_MODULES)
|
|
# Sanitizers cannot be built with -fmodules. The interceptors intentionally
|
|
# don't include system headers, which is incompatible with modules.
|
|
list(APPEND SANITIZER_COMMON_CFLAGS -fno-modules)
|
|
endif()
|
|
|
|
# Turn off several warnings.
|
|
append_list_if(COMPILER_RT_HAS_WGNU_FLAG -Wno-gnu SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG -Wno-variadic-macros SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WC99_EXTENSIONS_FLAG -Wno-c99-extensions SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4146_FLAG /wd4146 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4291_FLAG /wd4291 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4391_FLAG /wd4391 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4722_FLAG /wd4722 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4800_FLAG /wd4800 SANITIZER_COMMON_CFLAGS)
|
|
|
|
append_list_if(MINGW -fms-extensions SANITIZER_COMMON_CFLAGS)
|
|
|
|
# Set common link flags.
|
|
append_list_if(COMPILER_RT_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs SANITIZER_COMMON_LINK_FLAGS)
|
|
append_list_if(COMPILER_RT_HAS_Z_TEXT -Wl,-z,text SANITIZER_COMMON_LINK_FLAGS)
|
|
|
|
if (COMPILER_RT_USE_BUILTINS_LIBRARY)
|
|
string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
|
|
else()
|
|
if (ANDROID)
|
|
append_list_if(COMPILER_RT_HAS_GCC_LIB gcc SANITIZER_COMMON_LINK_LIBS)
|
|
else()
|
|
append_list_if(COMPILER_RT_HAS_GCC_S_LIB gcc_s SANITIZER_COMMON_LINK_LIBS)
|
|
endif()
|
|
endif()
|
|
|
|
append_list_if(COMPILER_RT_HAS_LIBC c SANITIZER_COMMON_LINK_LIBS)
|
|
|
|
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Fuchsia")
|
|
list(APPEND SANITIZER_COMMON_LINK_FLAGS -Wl,-z,defs,-z,now,-z,relro)
|
|
list(APPEND SANITIZER_COMMON_LINK_LIBS zircon)
|
|
endif()
|
|
|
|
# TODO: COMPILER_RT_COMMON_CFLAGS and COMPILER_RT_COMMON_LINK_FLAGS are
|
|
# intended for use in non-sanitizer runtimes such as libFuzzer, profile or XRay,
|
|
# move these higher to include common flags, then derive SANITIZER_COMMON_CFLAGS
|
|
# and SANITIZER_COMMON_LINK_FLAGS from those and append sanitizer-specific flags.
|
|
set(COMPILER_RT_COMMON_CFLAGS ${SANITIZER_COMMON_CFLAGS})
|
|
set(COMPILER_RT_COMMON_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
|
|
|
|
# We don't use the C++ standard library, so avoid including it by mistake.
|
|
append_list_if(COMPILER_RT_HAS_NOSTDINCXX_FLAG -nostdinc++ SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_NOSTDLIBXX_FLAG -nostdlib++ SANITIZER_COMMON_LINK_FLAGS)
|
|
|
|
# Remove -stdlib= which is unused when passing -nostdinc++...
|
|
string(REGEX MATCHALL "-stdlib=[a-zA-Z+]*" stdlib_flag "${CMAKE_CXX_FLAGS}")
|
|
string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
|
|
# ...we need it to build some runtimes and tests so readd it where appropriate.
|
|
list(APPEND COMPILER_RT_COMMON_CFLAGS ${stdlib_flag})
|
|
list(APPEND COMPILER_RT_COMMON_LINK_FLAGS ${stdlib_flag})
|
|
|
|
macro(append_libcxx_libs var)
|
|
if (${var}_INTREE)
|
|
if (SANITIZER_USE_STATIC_LLVM_UNWINDER AND (TARGET unwind_static OR HAVE_LIBUNWIND))
|
|
list(APPEND ${var}_LIBRARIES unwind_static)
|
|
elseif (TARGET unwind_shared OR HAVE_LIBUNWIND)
|
|
list(APPEND ${var}_LIBRARIES unwind_shared)
|
|
endif()
|
|
|
|
if (SANITIZER_USE_STATIC_CXX_ABI AND (TARGET cxxabi_static OR HAVE_LIBCXXABI))
|
|
list(APPEND ${var}_LIBRARIES cxxabi_static)
|
|
elseif (TARGET cxxabi_shared OR HAVE_LIBCXXABI)
|
|
list(APPEND ${var}_LIBRARIES cxxabi_shared)
|
|
endif()
|
|
else()
|
|
append_list_if(COMPILER_RT_HAS_LIBCXX c++ ${var}_LIBRARIES)
|
|
endif()
|
|
endmacro()
|
|
|
|
if (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libc++")
|
|
append_libcxx_libs(SANITIZER_CXX_ABI)
|
|
elseif (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libcxxabi")
|
|
list(APPEND SANITIZER_CXX_ABI_LIBRARIES "c++abi")
|
|
elseif (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libstdc++")
|
|
append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ SANITIZER_CXX_ABI_LIBRARIES)
|
|
endif()
|
|
|
|
if (SANITIZER_TEST_CXX_LIBNAME STREQUAL "libc++")
|
|
append_libcxx_libs(SANITIZER_TEST_CXX)
|
|
elseif (SANITIZER_TEST_CXX_LIBNAME STREQUAL "libstdc++")
|
|
append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ SANITIZER_TEST_CXX_LIBRARIES)
|
|
endif()
|
|
|
|
# TODO: There's a lot of duplication across lib/*/tests/CMakeLists.txt files,
|
|
# move some of the common flags to COMPILER_RT_UNITTEST_CFLAGS.
|
|
|
|
# Unittests need access to C++ standard library.
|
|
string(APPEND COMPILER_RT_TEST_COMPILER_CFLAGS " ${stdlib_flag}")
|
|
|
|
# When cross-compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help in compilation
|
|
# and linking of unittests.
|
|
string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS "${COMPILER_RT_TEST_COMPILER_CFLAGS}")
|
|
set(COMPILER_RT_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_CFLAGS})
|
|
|
|
# Unittests support.
|
|
set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest)
|
|
set(COMPILER_RT_GTEST_SOURCE ${COMPILER_RT_GTEST_PATH}/src/gtest-all.cc)
|
|
set(COMPILER_RT_GTEST_CFLAGS
|
|
-DGTEST_NO_LLVM_SUPPORT=1
|
|
-DGTEST_HAS_RTTI=0
|
|
-I${COMPILER_RT_GTEST_PATH}/include
|
|
-I${COMPILER_RT_GTEST_PATH}
|
|
)
|
|
|
|
# Mocking support.
|
|
set(COMPILER_RT_GMOCK_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock)
|
|
set(COMPILER_RT_GMOCK_SOURCE ${COMPILER_RT_GMOCK_PATH}/src/gmock-all.cc)
|
|
set(COMPILER_RT_GMOCK_CFLAGS
|
|
-DGTEST_NO_LLVM_SUPPORT=1
|
|
-DGTEST_HAS_RTTI=0
|
|
-I${COMPILER_RT_GMOCK_PATH}/include
|
|
-I${COMPILER_RT_GMOCK_PATH}
|
|
)
|
|
|
|
append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG -Wno-covered-switch-default COMPILER_RT_UNITTEST_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WSUGGEST_OVERRIDE_FLAG -Wno-suggest-override COMPILER_RT_UNITTEST_CFLAGS)
|
|
|
|
if(MSVC)
|
|
# gtest use a lot of stuff marked as deprecated on Windows.
|
|
list(APPEND COMPILER_RT_GTEST_CFLAGS -Wno-deprecated-declarations)
|
|
endif()
|
|
|
|
# Warnings to turn off for all libraries, not just sanitizers.
|
|
append_string_if(COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG -Wno-unused-parameter CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
|
|
|
|
if (CMAKE_LINKER MATCHES "link.exe$")
|
|
# Silence MSVC linker warnings caused by empty object files. The
|
|
# sanitizer libraries intentionally use ifdefs that result in empty
|
|
# files, rather than skipping these files in the build system.
|
|
# Ideally, we would pass this flag only for the libraries that need
|
|
# it, but CMake doesn't seem to have a way to set linker flags for
|
|
# individual static libraries, so we enable the suppression flag for
|
|
# the whole compiler-rt project.
|
|
set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /IGNORE:4221")
|
|
endif()
|
|
|
|
if(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
|
|
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> -X32_64 qc <TARGET> <LINK_FLAGS> <OBJECTS>")
|
|
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> -X32_64 qc <TARGET> <LINK_FLAGS> <OBJECTS>")
|
|
set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> -X32_64 q <TARGET> <LINK_FLAGS> <OBJECTS>")
|
|
set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> -X32_64 q <TARGET> <LINK_FLAGS> <OBJECTS>")
|
|
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -X32_64 <TARGET>")
|
|
set(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -X32_64 <TARGET>")
|
|
endif()
|
|
|
|
add_subdirectory(include)
|
|
|
|
option(COMPILER_RT_USE_LIBCXX
|
|
"Enable compiler-rt to use libc++ from the source tree" ON)
|
|
if(COMPILER_RT_USE_LIBCXX)
|
|
if(LLVM_ENABLE_PROJECTS_USED)
|
|
# Don't use libcxx if LLVM_ENABLE_PROJECTS does not enable it.
|
|
set(COMPILER_RT_LIBCXX_PATH ${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR})
|
|
set(COMPILER_RT_LIBCXXABI_PATH ${LLVM_EXTERNAL_LIBCXXABI_SOURCE_DIR})
|
|
else()
|
|
foreach(path IN ITEMS ${LLVM_MAIN_SRC_DIR}/projects/libcxx
|
|
${LLVM_MAIN_SRC_DIR}/runtimes/libcxx
|
|
${LLVM_MAIN_SRC_DIR}/../libcxx
|
|
${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR})
|
|
if(IS_DIRECTORY ${path})
|
|
set(COMPILER_RT_LIBCXX_PATH ${path})
|
|
break()
|
|
endif()
|
|
endforeach()
|
|
foreach(path IN ITEMS ${LLVM_MAIN_SRC_DIR}/projects/libcxxabi
|
|
${LLVM_MAIN_SRC_DIR}/runtimes/libcxxabi
|
|
${LLVM_MAIN_SRC_DIR}/../libcxxabi
|
|
${LLVM_EXTERNAL_LIBCXXABI_SOURCE_DIR})
|
|
if(IS_DIRECTORY ${path})
|
|
set(COMPILER_RT_LIBCXXABI_PATH ${path})
|
|
break()
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
endif()
|
|
|
|
set(COMPILER_RT_LLD_PATH ${LLVM_MAIN_SRC_DIR}/tools/lld)
|
|
if(EXISTS ${COMPILER_RT_LLD_PATH}/ AND LLVM_TOOL_LLD_BUILD)
|
|
set(COMPILER_RT_HAS_LLD TRUE)
|
|
else()
|
|
set(COMPILER_RT_LLD_PATH ${LLVM_MAIN_SRC_DIR}/../lld)
|
|
if(EXISTS ${COMPILER_RT_LLD_PATH}/ AND LLVM_TOOL_LLD_BUILD)
|
|
set(COMPILER_RT_HAS_LLD TRUE)
|
|
endif()
|
|
endif()
|
|
|
|
if(ANDROID)
|
|
set(COMPILER_RT_HAS_LLD TRUE)
|
|
set(COMPILER_RT_TEST_USE_LLD TRUE)
|
|
append_list_if(COMPILER_RT_HAS_FUSE_LD_LLD_FLAG -fuse-ld=lld SANITIZER_COMMON_LINK_FLAGS)
|
|
append_list_if(COMPILER_RT_HAS_LLD -fuse-ld=lld COMPILER_RT_UNITTEST_LINK_FLAGS)
|
|
if(COMPILER_RT_HAS_FUSE_LD_LLD_FLAG)
|
|
set(COMPILER_RT_HAS_GNU_VERSION_SCRIPT_COMPAT FALSE)
|
|
endif()
|
|
endif()
|
|
pythonize_bool(COMPILER_RT_HAS_LLD)
|
|
pythonize_bool(COMPILER_RT_TEST_USE_LLD)
|
|
|
|
add_subdirectory(lib)
|
|
|
|
if(COMPILER_RT_INCLUDE_TESTS)
|
|
add_subdirectory(unittests)
|
|
add_subdirectory(test)
|
|
# Don't build llvm-lit for runtimes-build, it will clean up map_config.
|
|
if (COMPILER_RT_STANDALONE_BUILD AND NOT RUNTIMES_BUILD)
|
|
# If we have a valid source tree, generate llvm-lit into the bin directory.
|
|
# The user can still choose to have the check targets *use* a different lit
|
|
# by specifying -DLLVM_EXTERNAL_LIT, but we generate it regardless.
|
|
if (EXISTS ${LLVM_MAIN_SRC_DIR}/utils/llvm-lit)
|
|
# Needed for lit support in standalone builds.
|
|
include(AddLLVM)
|
|
add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/llvm-lit ${CMAKE_CURRENT_BINARY_DIR}/llvm-lit)
|
|
elseif(NOT EXISTS ${LLVM_EXTERNAL_LIT})
|
|
message(WARNING "Could not find LLVM source directory and LLVM_EXTERNAL_LIT does not"
|
|
"point to a valid file. You will not be able to run tests.")
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
add_subdirectory(tools)
|