weaselab/conflict-set
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Build binaries compatible with cf-protection
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This commit is contained in:
Andrew Noyes
2024-11-11 16:17:57 -08:00
parent a90e353fcd
commit 86abc02188
2 changed files with 30 additions and 3 deletions
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31
CMakeLists.txt
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@@ -31,8 +31,10 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
"MinSizeRel" "RelWithDebInfo")
endif()
add_compile_options(-fdata-sections -ffunction-sections -Wswitch-enum
-Werror=switch-enum -fPIC)
add_compile_options(
-Werror=switch-enum -Wswitch-enum -fPIC -fdata-sections -ffunction-sections
-fno-jump-tables # https://github.com/llvm/llvm-project/issues/54247
)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
add_link_options("-Wno-unused-command-line-argument")
@@ -62,6 +64,21 @@ if(HAS_FULL_RELRO)
endif()
cmake_pop_check_state()
if(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
add_compile_options(-mbranch-protection=standard)
else()
add_compile_options(-fcf-protection)
set(rewrite_endbr_flags "-fuse-ld=mold;LINKER:-z,rewrite-endbr")
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${rewrite_endbr_flags})
check_cxx_source_compiles("int main(){}" HAS_REWRITE_ENDBR FAIL_REGEX
"warning:")
if(HAS_REWRITE_ENDBR)
add_link_options(${rewrite_endbr_flags})
endif()
cmake_pop_check_state()
endif()
set(version_script_flags
LINKER:--version-script=${CMAKE_CURRENT_SOURCE_DIR}/linker.map)
cmake_push_check_state()
@@ -329,7 +346,8 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR AND BUILD_TESTING)
# c++98
add_executable(conflict_set_cxx_api_test conflict_set_cxx_api_test.cpp)
target_compile_options(conflict_set_cxx_api_test PRIVATE ${TEST_FLAGS})
target_link_libraries(conflict_set_cxx_api_test PRIVATE ${PROJECT_NAME})
target_link_libraries(conflict_set_cxx_api_test
PRIVATE ${PROJECT_NAME}-static)
set_target_properties(conflict_set_cxx_api_test PROPERTIES CXX_STANDARD 98)
set_target_properties(conflict_set_cxx_api_test
PROPERTIES CXX_STANDARD_REQUIRED ON)
@@ -362,6 +380,13 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR AND BUILD_TESTING)
${symbol_imports})
endif()
find_program(HARDENING_CHECK hardening-check)
if(HARDENING_CHECK)
add_test(NAME hardening_check
COMMAND ${HARDENING_CHECK} $<TARGET_FILE:${PROJECT_NAME}>
--nofortify --nostackprotector)
endif()
# bench
add_executable(conflict_set_bench Bench.cpp)
target_link_libraries(conflict_set_bench PRIVATE ${PROJECT_NAME} nanobench)