diff options
| author | Vitaly Buka <vitalybuka@google.com> | 2017-09-18 22:38:18 +0000 |
|---|---|---|
| committer | Vitaly Buka <vitalybuka@google.com> | 2017-09-18 22:38:18 +0000 |
| commit | 7055da967bd6e8d188d6821bc1ab63bebfb363de (patch) | |
| tree | e64cbc73c7efcf8faa9f632884331e68289a15d9 /lib/ubsan | |
| parent | 474ec9e95dcb85850097b84c0017b44770dcecb7 (diff) | |
[ubsan] Split ubsan_init_standalone
On Linux we may need preinit_array in static lib and
ubsan_standalone_initializer in shared lib.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@313583 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ubsan')
| -rw-r--r-- | lib/ubsan/CMakeLists.txt | 15 | ||||
| -rw-r--r-- | lib/ubsan/ubsan_init_standalone.cc | 7 |
2 files changed, 12 insertions, 10 deletions
diff --git a/lib/ubsan/CMakeLists.txt b/lib/ubsan/CMakeLists.txt index a29c0eed9..0375cffb9 100644 --- a/lib/ubsan/CMakeLists.txt +++ b/lib/ubsan/CMakeLists.txt @@ -10,7 +10,6 @@ set(UBSAN_SOURCES set(UBSAN_STANDALONE_SOURCES ubsan_diag_standalone.cc - ubsan_init_standalone.cc ) set(UBSAN_CXXABI_SOURCES @@ -64,6 +63,7 @@ if(APPLE) OS ${SANITIZER_COMMON_SUPPORTED_OS} ARCHS ${UBSAN_SUPPORTED_ARCH} SOURCES ${UBSAN_STANDALONE_SOURCES} + ubsan_init_standalone.cc CFLAGS ${UBSAN_STANDALONE_CFLAGS}) add_weak_symbols("ubsan" WEAK_SYMBOL_LINK_FLAGS) @@ -133,7 +133,15 @@ else() # Initializer of standalone UBSan runtime. add_compiler_rt_object_libraries(RTUbsan_standalone ARCHS ${UBSAN_SUPPORTED_ARCH} - SOURCES ${UBSAN_STANDALONE_SOURCES} CFLAGS ${UBSAN_STANDALONE_CFLAGS}) + SOURCES ${UBSAN_STANDALONE_SOURCES} + ubsan_init_standalone + CFLAGS ${UBSAN_STANDALONE_CFLAGS}) + # This can't not be linked into share lib + add_compiler_rt_object_libraries(RTUbsan_standalone_preinit + ARCHS ${UBSAN_SUPPORTED_ARCH} + SOURCES ${UBSAN_STANDALONE_SOURCES} + ubsan_init_standalone_preinit.cc + CFLAGS ${UBSAN_STANDALONE_CFLAGS}) # Standalone UBSan runtimes. add_compiler_rt_runtime(clang_rt.ubsan_standalone @@ -142,7 +150,7 @@ else() OBJECT_LIBS RTSanitizerCommon RTSanitizerCommonLibc RTUbsan - RTUbsan_standalone + RTUbsan_standalone_preinit CFLAGS ${UBSAN_CFLAGS} PARENT_TARGET ubsan) @@ -160,6 +168,7 @@ else() OBJECT_LIBS RTSanitizerCommon RTSanitizerCommonLibc RTUbsan + RTUbsan_standalone CFLAGS ${UBSAN_CFLAGS} LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS} LINK_LIBS ${UBSAN_DYNAMIC_LIBS} diff --git a/lib/ubsan/ubsan_init_standalone.cc b/lib/ubsan/ubsan_init_standalone.cc index ff1a20efe..8e999e3ac 100644 --- a/lib/ubsan/ubsan_init_standalone.cc +++ b/lib/ubsan/ubsan_init_standalone.cc @@ -19,11 +19,6 @@ #include "sanitizer_common/sanitizer_internal_defs.h" #include "ubsan_init.h" -#if SANITIZER_CAN_USE_PREINIT_ARRAY -__attribute__((section(".preinit_array"), used)) -void (*__local_ubsan_preinit)(void) = __ubsan::InitAsStandalone; -#else -// Use a dynamic initializer. class UbsanStandaloneInitializer { public: UbsanStandaloneInitializer() { @@ -31,5 +26,3 @@ class UbsanStandaloneInitializer { } }; static UbsanStandaloneInitializer ubsan_standalone_initializer; -#endif // SANITIZER_CAN_USE_PREINIT_ARRAY - |