diff options
Diffstat (limited to 'cmake/config-ix.cmake')
| -rw-r--r-- | cmake/config-ix.cmake | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake new file mode 100644 index 000000000000..5f921bf97f5c --- /dev/null +++ b/cmake/config-ix.cmake @@ -0,0 +1,258 @@ +include(CheckCXXCompilerFlag) +include(CheckLibraryExists) +include(CheckSymbolExists) + +# CodeGen options. +check_cxx_compiler_flag(-fPIC COMPILER_RT_HAS_FPIC_FLAG) +check_cxx_compiler_flag(-fPIE COMPILER_RT_HAS_FPIE_FLAG) +check_cxx_compiler_flag(-fno-builtin COMPILER_RT_HAS_FNO_BUILTIN_FLAG) +check_cxx_compiler_flag(-fno-exceptions COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG) +check_cxx_compiler_flag(-fomit-frame-pointer COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG) +check_cxx_compiler_flag(-funwind-tables COMPILER_RT_HAS_FUNWIND_TABLES_FLAG) +check_cxx_compiler_flag(-fno-stack-protector COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG) +check_cxx_compiler_flag(-fvisibility=hidden COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG) +check_cxx_compiler_flag(-fno-rtti COMPILER_RT_HAS_FNO_RTTI_FLAG) +check_cxx_compiler_flag(-ffreestanding COMPILER_RT_HAS_FFREESTANDING_FLAG) +check_cxx_compiler_flag("-Werror -fno-function-sections" COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG) +check_cxx_compiler_flag(-std=c++11 COMPILER_RT_HAS_STD_CXX11_FLAG) +check_cxx_compiler_flag(-ftls-model=initial-exec COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC) + +check_cxx_compiler_flag(/GR COMPILER_RT_HAS_GR_FLAG) +check_cxx_compiler_flag(/GS COMPILER_RT_HAS_GS_FLAG) +check_cxx_compiler_flag(/MT COMPILER_RT_HAS_MT_FLAG) +check_cxx_compiler_flag(/Oy COMPILER_RT_HAS_Oy_FLAG) + +# Debug info flags. +check_cxx_compiler_flag(-gline-tables-only COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG) +check_cxx_compiler_flag(-g COMPILER_RT_HAS_G_FLAG) +check_cxx_compiler_flag(/Zi COMPILER_RT_HAS_Zi_FLAG) + +# Warnings. +check_cxx_compiler_flag(-Wall COMPILER_RT_HAS_WALL_FLAG) +check_cxx_compiler_flag(-Werror COMPILER_RT_HAS_WERROR_FLAG) +check_cxx_compiler_flag("-Werror -Wframe-larger-than=512" COMPILER_RT_HAS_WFRAME_LARGER_THAN_FLAG) +check_cxx_compiler_flag("-Werror -Wglobal-constructors" COMPILER_RT_HAS_WGLOBAL_CONSTRUCTORS_FLAG) +check_cxx_compiler_flag("-Werror -Wc99-extensions" COMPILER_RT_HAS_WC99_EXTENSIONS_FLAG) +check_cxx_compiler_flag("-Werror -Wgnu" COMPILER_RT_HAS_WGNU_FLAG) +check_cxx_compiler_flag("-Werror -Wnon-virtual-dtor" COMPILER_RT_HAS_WNON_VIRTUAL_DTOR_FLAG) +check_cxx_compiler_flag("-Werror -Wvariadic-macros" COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG) + +check_cxx_compiler_flag(/W3 COMPILER_RT_HAS_W3_FLAG) +check_cxx_compiler_flag(/WX COMPILER_RT_HAS_WX_FLAG) +check_cxx_compiler_flag(/wd4146 COMPILER_RT_HAS_WD4146_FLAG) +check_cxx_compiler_flag(/wd4291 COMPILER_RT_HAS_WD4291_FLAG) +check_cxx_compiler_flag(/wd4391 COMPILER_RT_HAS_WD4391_FLAG) +check_cxx_compiler_flag(/wd4722 COMPILER_RT_HAS_WD4722_FLAG) +check_cxx_compiler_flag(/wd4800 COMPILER_RT_HAS_WD4800_FLAG) + +# Symbols. +check_symbol_exists(__func__ "" COMPILER_RT_HAS_FUNC_SYMBOL) + +# Libraries. +check_library_exists(c printf "" COMPILER_RT_HAS_LIBC) +check_library_exists(dl dlopen "" COMPILER_RT_HAS_LIBDL) +check_library_exists(m pow "" COMPILER_RT_HAS_LIBM) +check_library_exists(pthread pthread_create "" COMPILER_RT_HAS_LIBPTHREAD) +check_library_exists(stdc++ __cxa_throw "" COMPILER_RT_HAS_LIBSTDCXX) + +# Architectures. + +# List of all architectures we can target. +set(COMPILER_RT_SUPPORTED_ARCH) + +# Try to compile a very simple source file to ensure we can target the given +# platform. We use the results of these tests to build only the various target +# runtime libraries supported by our current compilers cross-compiling +# abilities. +set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc) +file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <limits>\nint main() {}\n") + +# test_target_arch(<arch> <target flags...>) +# Sets the target flags for a given architecture and determines if this +# architecture is supported by trying to build a simple file. +macro(test_target_arch arch) + set(TARGET_${arch}_CFLAGS ${ARGN}) + set(argstring "${CMAKE_EXE_LINKER_FLAGS}") + foreach(arg ${ARGN}) + set(argstring "${argstring} ${arg}") + endforeach() + try_compile(CAN_TARGET_${arch} ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE} + COMPILE_DEFINITIONS "${TARGET_${arch}_CFLAGS}" + OUTPUT_VARIABLE TARGET_${arch}_OUTPUT + CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${argstring}") + if(${CAN_TARGET_${arch}}) + list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch}) + elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "${arch}") + # Bail out if we cannot target the architecture we plan to test. + message(FATAL_ERROR "Cannot compile for ${arch}:\n${TARGET_${arch}_OUTPUT}") + endif() +endmacro() + +# Add $arch as supported with no additional flags. +macro(add_default_target_arch arch) + set(TARGET_${arch}_CFLAGS "") + set(CAN_TARGET_${arch} 1) + list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch}) +endmacro() + +macro(detect_target_arch) + check_symbol_exists(__arm__ "" __ARM) + check_symbol_exists(__aarch64__ "" __AARCH64) + check_symbol_exists(__x86_64__ "" __X86_64) + check_symbol_exists(__i686__ "" __I686) + check_symbol_exists(__i386__ "" __I386) + check_symbol_exists(__mips__ "" __MIPS) + check_symbol_exists(__mips64__ "" __MIPS64) + if(__ARM) + add_default_target_arch(arm) + elseif(__AARCH64) + add_default_target_arch(aarch64) + elseif(__X86_64) + add_default_target_arch(x86_64) + elseif(__I686) + add_default_target_arch(i686) + elseif(__I386) + add_default_target_arch(i386) + elseif(__MIPS64) # must be checked before __MIPS + add_default_target_arch(mips64) + elseif(__MIPS) + add_default_target_arch(mips) + endif() +endmacro() + +# Generate the COMPILER_RT_SUPPORTED_ARCH list. +if(ANDROID) + # Can't rely on LLVM_NATIVE_ARCH in cross-compilation. + # Examine compiler output instead. + detect_target_arch() + set(COMPILER_RT_OS_SUFFIX "-android") +else() + if("${LLVM_NATIVE_ARCH}" STREQUAL "X86") + if (NOT MSVC) + test_target_arch(x86_64 ${TARGET_64_BIT_CFLAGS}) + endif() + test_target_arch(i386 ${TARGET_32_BIT_CFLAGS}) + elseif("${LLVM_NATIVE_ARCH}" STREQUAL "PowerPC") + test_target_arch(powerpc64 ${TARGET_64_BIT_CFLAGS}) + test_target_arch(powerpc64le ${TARGET_64_BIT_CFLAGS}) + elseif("${LLVM_NATIVE_ARCH}" STREQUAL "Mips") + if("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "mipsel|mips64el") + # regex for mipsel, mips64el + test_target_arch(mipsel ${TARGET_32_BIT_CFLAGS}) + test_target_arch(mips64el ${TARGET_64_BIT_CFLAGS}) + else() + test_target_arch(mips ${TARGET_32_BIT_CFLAGS}) + test_target_arch(mips64 ${TARGET_64_BIT_CFLAGS}) + endif() + elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "arm") + test_target_arch(arm "-march=armv7-a") + elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "aarch32") + test_target_arch(aarch32 "-march=armv8-a") + elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "aarch64") + test_target_arch(aarch64 "-march=aarch64") + endif() + set(COMPILER_RT_OS_SUFFIX "") +endif() + +message(STATUS "Compiler-RT supported architectures: ${COMPILER_RT_SUPPORTED_ARCH}") + +# Takes ${ARGN} and puts only supported architectures in @out_var list. +function(filter_available_targets out_var) + set(archs) + foreach(arch ${ARGN}) + list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX) + if(NOT (ARCH_INDEX EQUAL -1) AND CAN_TARGET_${arch}) + list(APPEND archs ${arch}) + endif() + endforeach() + set(${out_var} ${archs} PARENT_SCOPE) +endfunction() + +# Arhcitectures supported by compiler-rt libraries. +filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH + x86_64 i386 i686 powerpc64 powerpc64le arm aarch64 mips mips64 mipsel mips64el) +filter_available_targets(ASAN_SUPPORTED_ARCH + x86_64 i386 i686 powerpc64 powerpc64le arm mips mipsel mips64 mips64el) +filter_available_targets(DFSAN_SUPPORTED_ARCH x86_64 mips64 mips64el) +filter_available_targets(LSAN_SUPPORTED_ARCH x86_64) +# LSan common files should be available on all architectures supported +# by other sanitizers (even if they build into dummy object files). +filter_available_targets(LSAN_COMMON_SUPPORTED_ARCH + ${SANITIZER_COMMON_SUPPORTED_ARCH}) +filter_available_targets(MSAN_SUPPORTED_ARCH x86_64 mips64 mips64el) +filter_available_targets(PROFILE_SUPPORTED_ARCH x86_64 i386 i686 arm mips mips64 + mipsel mips64el aarch64 powerpc64 powerpc64le) +filter_available_targets(TSAN_SUPPORTED_ARCH x86_64) +filter_available_targets(UBSAN_SUPPORTED_ARCH x86_64 i386 i686 arm aarch64 mips mipsel) + +if(ANDROID) + set(OS_NAME "Android") +else() + set(OS_NAME "${CMAKE_SYSTEM_NAME}") +endif() + +if (SANITIZER_COMMON_SUPPORTED_ARCH AND NOT LLVM_USE_SANITIZER AND + (OS_NAME MATCHES "Android|Darwin|Linux|FreeBSD" OR + (OS_NAME MATCHES "Windows" AND MSVC AND CMAKE_SIZEOF_VOID_P EQUAL 4))) + set(COMPILER_RT_HAS_SANITIZER_COMMON TRUE) +else() + set(COMPILER_RT_HAS_SANITIZER_COMMON FALSE) +endif() + +if (COMPILER_RT_HAS_SANITIZER_COMMON AND ASAN_SUPPORTED_ARCH) + set(COMPILER_RT_HAS_ASAN TRUE) +else() + set(COMPILER_RT_HAS_ASAN FALSE) +endif() + +# TODO: Add builtins support. + +if (COMPILER_RT_HAS_SANITIZER_COMMON AND DFSAN_SUPPORTED_ARCH AND + OS_NAME MATCHES "Linux") + set(COMPILER_RT_HAS_DFSAN TRUE) +else() + set(COMPILER_RT_HAS_DFSAN FALSE) +endif() + +if (COMPILER_RT_HAS_SANITIZER_COMMON AND LSAN_SUPPORTED_ARCH AND + OS_NAME MATCHES "Darwin|Linux|FreeBSD") + set(COMPILER_RT_HAS_LSAN TRUE) +else() + set(COMPILER_RT_HAS_LSAN FALSE) +endif() + +if (COMPILER_RT_HAS_SANITIZER_COMMON AND LSAN_COMMON_SUPPORTED_ARCH AND + OS_NAME MATCHES "Darwin|Linux|FreeBSD|Android") + set(COMPILER_RT_HAS_LSAN_COMMON TRUE) +else() + set(COMPILER_RT_HAS_LSAN_COMMON FALSE) +endif() + +if (COMPILER_RT_HAS_SANITIZER_COMMON AND MSAN_SUPPORTED_ARCH AND + OS_NAME MATCHES "Linux") + set(COMPILER_RT_HAS_MSAN TRUE) +else() + set(COMPILER_RT_HAS_MSAN FALSE) +endif() + +if (PROFILE_SUPPORTED_ARCH AND + OS_NAME MATCHES "Darwin|Linux|FreeBSD") + set(COMPILER_RT_HAS_PROFILE TRUE) +else() + set(COMPILER_RT_HAS_PROFILE FALSE) +endif() + +if (COMPILER_RT_HAS_SANITIZER_COMMON AND TSAN_SUPPORTED_ARCH AND + OS_NAME MATCHES "Linux|FreeBSD") + set(COMPILER_RT_HAS_TSAN TRUE) +else() + set(COMPILER_RT_HAS_TSAN FALSE) +endif() + +if (COMPILER_RT_HAS_SANITIZER_COMMON AND UBSAN_SUPPORTED_ARCH AND + OS_NAME MATCHES "Darwin|Linux|FreeBSD") + set(COMPILER_RT_HAS_UBSAN TRUE) +else() + set(COMPILER_RT_HAS_UBSAN FALSE) +endif() + |