Mercurial > hg > CbC > CbC_llvm
view compiler-rt/cmake/Modules/SanitizerUtils.cmake @ 150:1d019706d866
LLVM10
author | anatofuz |
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date | Thu, 13 Feb 2020 15:10:13 +0900 |
parents | |
children | 0572611fdcc8 |
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include(CompilerRTUtils) set(SANITIZER_GEN_DYNAMIC_LIST ${COMPILER_RT_SOURCE_DIR}/lib/sanitizer_common/scripts/gen_dynamic_list.py) set(SANITIZER_LINT_SCRIPT ${COMPILER_RT_SOURCE_DIR}/lib/sanitizer_common/scripts/check_lint.sh) if(CMAKE_NM) set(SANITIZER_NM "${CMAKE_NM}") else() set(SANITIZER_NM nm) endif() # Create a target "<name>-<arch>-symbols" that would generate the list of # symbols that need to be exported from sanitizer runtime "<name>". Function # interceptors are exported automatically, user can also provide files with # symbol names that should be exported as well. # add_sanitizer_rt_symbols(<name> # ARCHS <architectures> # PARENT_TARGET <convenience parent target> # EXTRA <files with extra symbols to export>) macro(add_sanitizer_rt_symbols name) cmake_parse_arguments(ARG "" "PARENT_TARGET" "ARCHS;EXTRA" ${ARGN}) foreach(arch ${ARG_ARCHS}) set(target_name ${name}-${arch}) set(stamp ${CMAKE_CURRENT_BINARY_DIR}/${target_name}.syms-stamp) set(extra_args) foreach(arg ${ARG_EXTRA}) list(APPEND extra_args "--extra" ${arg}) endforeach() add_custom_command(OUTPUT ${stamp} COMMAND ${PYTHON_EXECUTABLE} ${SANITIZER_GEN_DYNAMIC_LIST} ${extra_args} $<TARGET_FILE:${target_name}> --nm-executable "${SANITIZER_NM}" -o $<TARGET_FILE:${target_name}>.syms COMMAND ${CMAKE_COMMAND} -E touch ${stamp} DEPENDS ${target_name} ${SANITIZER_GEN_DYNAMIC_LIST} ${ARG_EXTRA} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} COMMENT "Generating exported symbols for ${target_name}" VERBATIM) add_custom_target(${target_name}-symbols ALL DEPENDS ${stamp} SOURCES ${SANITIZER_GEN_DYNAMIC_LIST} ${ARG_EXTRA}) get_compiler_rt_install_dir(${arch} install_dir) install(FILES $<TARGET_FILE:${target_name}>.syms DESTINATION ${install_dir}) if(ARG_PARENT_TARGET) add_dependencies(${ARG_PARENT_TARGET} ${target_name}-symbols) endif() endforeach() endmacro() # This function is only used on Darwin, where undefined symbols must be specified # in the linker invocation. function(add_weak_symbols libname link_flags) set(weak_symbols_file "${COMPILER_RT_SOURCE_DIR}/lib/${libname}/weak_symbols.txt") file(STRINGS "${weak_symbols_file}" WEAK_SYMBOLS) # Add this file as a configure-time dependency so that changes to this # file trigger a re-configure. This is necessary so that `${link_flags}` # is changed when appropriate. set_property( DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${weak_symbols_file}") set(local_link_flags ${${link_flags}}) foreach(SYMBOL ${WEAK_SYMBOLS}) set(local_link_flags ${local_link_flags} -Wl,-U,${SYMBOL}) endforeach() set(${link_flags} ${local_link_flags} PARENT_SCOPE) endfunction() macro(add_sanitizer_rt_version_list name) set(vers ${CMAKE_CURRENT_BINARY_DIR}/${name}.vers) cmake_parse_arguments(ARG "" "" "LIBS;EXTRA" ${ARGN}) set(args) foreach(arg ${ARG_EXTRA}) list(APPEND args "--extra" ${arg}) endforeach() foreach(arg ${ARG_LIBS}) list(APPEND args "$<TARGET_FILE:${arg}>") endforeach() add_custom_command(OUTPUT ${vers} COMMAND ${PYTHON_EXECUTABLE} ${SANITIZER_GEN_DYNAMIC_LIST} --version-list ${args} --nm-executable "${SANITIZER_NM}" -o ${vers} DEPENDS ${SANITIZER_GEN_DYNAMIC_LIST} ${ARG_EXTRA} ${ARG_LIBS} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} COMMENT "Generating version list for ${name}" VERBATIM) add_custom_target(${name}-version-list ALL DEPENDS ${vers}) endmacro() # Add target to check code style for sanitizer runtimes. if(CMAKE_HOST_UNIX AND NOT OS_NAME MATCHES "OpenBSD") add_custom_target(SanitizerLintCheck COMMAND env LLVM_CHECKOUT=${LLVM_MAIN_SRC_DIR} SILENT=1 TMPDIR= PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE} COMPILER_RT=${COMPILER_RT_SOURCE_DIR} ${SANITIZER_LINT_SCRIPT} DEPENDS ${SANITIZER_LINT_SCRIPT} COMMENT "Running lint check for sanitizer sources..." VERBATIM) else() add_custom_target(SanitizerLintCheck COMMAND echo "No lint check") endif() set_target_properties(SanitizerLintCheck PROPERTIES FOLDER "Compiler-RT Misc")