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[SCUDO] add cmake options for custom sysroot

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These options will allow the SCUDO standalone to be built with custom
headers. Specifically, this patch will enable building with the
LLVM-libc headers.

Reviewed By: abrachet

Differential Revision: https://reviews.llvm.org/D135702
This commit is contained in:
Michael Jones 2022-10-10 15:07:06 -07:00
parent 9f1f21c49d
commit b9663ebbf8
2 changed files with 40 additions and 13 deletions
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7
compiler-rt/CMakeLists.txt
View File

@ -57,6 +57,13 @@ option(COMPILER_RT_BUILD_GWP_ASAN "Build GWP-ASan, and link it into SCUDO" ON)
mark_as_advanced(COMPILER_RT_BUILD_GWP_ASAN)
option(COMPILER_RT_ENABLE_CET "Build Compiler RT with CET enabled" OFF)
option(COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH "Set custom sysroot for building SCUDO standalone" OFF)
mark_as_advanced(COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH)
option(COMPILER_RT_SCUDO_STANDALONE_BUILD_SHARED "Build SCUDO standalone for shared libraries" ON)
mark_as_advanced(COMPILER_RT_SCUDO_STANDALONE_BUILD_SHARED)
option(COMPILER_RT_BUILD_SCUDO_STANDALONE_WITH_LLVM_LIBC "Build SCUDO standalone with LLVM's libc headers" OFF)
mark_as_advanced(COMPILER_RT_BUILD_SCUDO_STANDALONE_WITH_LLVM_LIBC)
if(FUCHSIA)
set(COMPILER_RT_HWASAN_WITH_INTERCEPTORS_DEFAULT OFF)
else()

46
compiler-rt/lib/scudo/standalone/CMakeLists.txt
View File

@ -38,6 +38,10 @@ list(APPEND SCUDO_LINK_FLAGS -ffunction-sections -fdata-sections -Wl,--gc-sectio
append_list_if(COMPILER_RT_HAS_NOSTDLIBXX_FLAG -nostdlib++ SCUDO_LINK_FLAGS)
append_list_if(CXX_SUPPORTS_UNWINDLIB_NONE_FLAG --unwindlib=none SCUDO_LINK_FLAGS)
if(COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH)
list(APPEND SCUDO_CFLAGS "--sysroot=${COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH}")
endif()
if(ANDROID)
list(APPEND SCUDO_CFLAGS -fno-emulated-tls)
@ -137,6 +141,14 @@ endif()
set(SCUDO_LINK_LIBS ${COMPILER_RT_UNWINDER_LINK_LIBS})
if(COMPILER_RT_BUILD_SCUDO_STANDALONE_WITH_LLVM_LIBC)
include_directories(${COMPILER_RT_BINARY_DIR}/../libc/include/)
set(SCUDO_DEPS libc-headers)
list(APPEND SCUDO_CFLAGS "-ffreestanding")
endif()
append_list_if(COMPILER_RT_HAS_LIBPTHREAD -pthread SCUDO_LINK_FLAGS)
append_list_if(FUCHSIA zircon SCUDO_LINK_LIBS)
@ -150,17 +162,20 @@ if(COMPILER_RT_HAS_SCUDO_STANDALONE)
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS})
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_object_libraries(RTScudoStandaloneCWrappers
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_C_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS})
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_object_libraries(RTScudoStandaloneCxxWrappers
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS})
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_runtime(clang_rt.scudo_standalone
STATIC
@ -168,6 +183,7 @@ if(COMPILER_RT_HAS_SCUDO_STANDALONE)
SOURCES ${SCUDO_SOURCES} ${SCUDO_SOURCES_C_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
PARENT_TARGET scudo_standalone)
add_compiler_rt_runtime(clang_rt.scudo_standalone_cxx
@ -176,18 +192,22 @@ if(COMPILER_RT_HAS_SCUDO_STANDALONE)
SOURCES ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
PARENT_TARGET scudo_standalone)
add_compiler_rt_runtime(clang_rt.scudo_standalone
SHARED
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_SOURCES_C_WRAPPERS} ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
LINK_FLAGS ${SCUDO_LINK_FLAGS}
LINK_LIBS ${SCUDO_LINK_LIBS}
PARENT_TARGET scudo_standalone)
if(COMPILER_RT_SCUDO_STANDALONE_BUILD_SHARED)
add_compiler_rt_runtime(clang_rt.scudo_standalone
SHARED
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_SOURCES_C_WRAPPERS} ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
LINK_FLAGS ${SCUDO_LINK_FLAGS}
LINK_LIBS ${SCUDO_LINK_LIBS}
PARENT_TARGET scudo_standalone)
endif()
add_subdirectory(benchmarks)
if(COMPILER_RT_INCLUDE_TESTS)