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ceph/cmake/modules/FindSanitizers.cmake

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cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
if(NOT Sanitizers_FIND_COMPONENTS)
set(Sanitizers_FIND_COMPONENTS
cmake: should use lowercase for component name in FindSanitizers.cmake and s/undefined-behavior/undefined_behavior/ to be compatible with seastar Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-11 04:30:31 +00:00
address undefined_behavior)
cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
endif()
if(HAVE_JEMALLOC)
message(WARNING "JeMalloc does not work well with sanitizers")
endif()
set(Sanitizers_OPTIONS)
foreach(component ${Sanitizers_FIND_COMPONENTS})
if(component STREQUAL "address")
cmake: should use lowercase for component name in FindSanitizers.cmake and s/undefined-behavior/undefined_behavior/ to be compatible with seastar Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-11 04:30:31 +00:00
set(Sanitizers_address_COMPILE_OPTIONS "address")
cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
elseif(component STREQUAL "leak")
cmake: should use lowercase for component name in FindSanitizers.cmake and s/undefined-behavior/undefined_behavior/ to be compatible with seastar Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-11 04:30:31 +00:00
set(Sanitizers_leak_COMPILE_OPTIONS "leak")
cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
elseif(component STREQUAL "thread")
cmake: should use lowercase for component name in FindSanitizers.cmake and s/undefined-behavior/undefined_behavior/ to be compatible with seastar Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-11 04:30:31 +00:00
if ("address" IN_LIST ${Sanitizers_FIND_COMPONENTS} OR
"leak" IN_LIST ${Sanitizers_FIND_COMPONENTS})
cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
message(SEND_ERROR "Cannot combine -fsanitize-leak w/ -fsanitize-thread")
elseif(NOT CMAKE_POSITION_INDEPENDENT_CODE)
message(SEND_ERROR "TSan requires all code to be position independent")
endif()
set(Sanitizers_Thread_COMPILE_OPTIONS "thread")
cmake: should use lowercase for component name in FindSanitizers.cmake and s/undefined-behavior/undefined_behavior/ to be compatible with seastar Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-11 04:30:31 +00:00
elseif(component STREQUAL "undefined_behavior")
set(Sanitizers_undefined_behavior_COMPILE_OPTIONS "undefined")
cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
else()
message(SEND_ERROR "Unsupported sanitizer: ${component}")
endif()
cmake: should use lowercase for component name in FindSanitizers.cmake and s/undefined-behavior/undefined_behavior/ to be compatible with seastar Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-11 04:30:31 +00:00
list(APPEND Sanitizers_OPTIONS "${Sanitizers_${component}_COMPILE_OPTIONS}")
cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
endforeach()
cmake,ceph.in: preload libasan if WITH_ASAN we need to preload libasan.so as the python exectuable is not likely to be compiled with ASan enabled. see: https://github.com/google/sanitizers/wiki/AddressSanitizerAsDso#asan-and-ld_preload just to ease the use of ASan, for fine-tuned behaviour, use `ASAN_OPTIONS`. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-10-22 06:06:38 +00:00
if(Sanitizers_address_COMPILE_OPTIONS OR Sanitizers_leak_COMPILE_OPTIONS)
# ASAN_LIBRARY will be read by ceph.in to preload the asan library
find_library(ASAN_LIBRARY
NAMES
libasan.so.5
libasan.so.4
libasan.so.3)
endif()
cmake: extract sanitizer detection out also, we don't need to pass '-lasan' or '-ltsan' to linker. it's suggested to use the "-fsanitize=${sanitizer}". please note, this module is compatible with the one used in seastar on purpose, as seastar is included in ceph using add_subdirectory(), and it in turn add its own cmake modules directory using list(APPEND ...), so cmake/modules/FindSantitizers.cmake is prefered over src/seastar/cmake/FindSantitizers.cmake. Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-08-02 05:59:31 +00:00
if(Sanitizers_OPTIONS)
string(REPLACE ";" ","
Sanitizers_COMPILE_OPTIONS
"${Sanitizers_OPTIONS}")
set(Sanitizers_COMPILE_OPTIONS
"-fsanitize=${Sanitizers_COMPILE_OPTIONS} -fno-omit-frame-pointer")
endif()
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_FLAGS ${Sanitizers_COMPILE_OPTIONS})
set(CMAKE_REQUIRED_LIBRARIES ${Sanitizers_COMPILE_OPTIONS})
check_cxx_source_compiles("int main() {}"
Sanitizers_ARE_SUPPORTED)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Sanitizers
REQUIRED_VARS
Sanitizers_ARE_SUPPORTED
Sanitizers_COMPILE_OPTIONS)
if(Sanitizers_FOUND)
if(NOT TARGET Sanitizers::Sanitizers)
add_library(Sanitizers::Sanitizers INTERFACE IMPORTED)
set_target_properties(Sanitizers::Sanitizers PROPERTIES
INTERFACE_COMPILE_OPTIONS ${Sanitizers_COMPILE_OPTIONS}
INTERFACE_LINK_LIBRARIES ${Sanitizers_COMPILE_OPTIONS})
endif()
foreach(component ${Sanitizers_FIND_COMPONENTS})
if(NOT TARGET Sanitizers::${component})
set(target Sanitizers::${component})
set(compile_option "-fsanitize=${Sanitizers_${component}_COMPILE_OPTIONS}")
add_library(${target} INTERFACE IMPORTED)
set_target_properties(${target} PROPERTIES
INTERFACE_COMPILE_OPTIONS ${compile_option}
INTERFACE_LINK_LIBRARIES ${compile_option})
endif()
endforeach()
endif()
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