reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
  191
  192
  193
  194
  195
  196
  197
  198
  199
  200
  201
  202
  203
  204
  205
  206
  207
  208
  209
  210
  211
  212
  213
  214
  215
  216
  217
  218
  219
  220
  221
  222
  223
  224
  225
  226
  227
  228
  229
  230
# Build for the undefined behavior sanitizer runtime support library.

set(UBSAN_SOURCES
  ubsan_diag.cpp
  ubsan_init.cpp
  ubsan_flags.cpp
  ubsan_handlers.cpp
  ubsan_monitor.cpp
  ubsan_value.cpp
  )

set(UBSAN_STANDALONE_SOURCES
  ubsan_diag_standalone.cpp
  ubsan_init_standalone.cpp
  ubsan_signals_standalone.cpp
  )

set(UBSAN_CXXABI_SOURCES
  ubsan_handlers_cxx.cpp
  ubsan_type_hash.cpp
  ubsan_type_hash_itanium.cpp
  ubsan_type_hash_win.cpp
 )

set(UBSAN_HEADERS
  ubsan_checks.inc
  ubsan_diag.h
  ubsan_flags.h
  ubsan_flags.inc
  ubsan_handlers.h
  ubsan_handlers_cxx.h
  ubsan_init.h
  ubsan_interface.inc
  ubsan_monitor.h
  ubsan_platform.h
  ubsan_signals_standalone.h
  ubsan_type_hash.h
  ubsan_value.h
  )

include_directories(..)

set(UBSAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
append_rtti_flag(OFF UBSAN_CFLAGS)
append_list_if(SANITIZER_CAN_USE_CXXABI -DUBSAN_CAN_USE_CXXABI UBSAN_CFLAGS)

set(UBSAN_STANDALONE_CFLAGS ${SANITIZER_COMMON_CFLAGS})
append_rtti_flag(OFF UBSAN_STANDALONE_CFLAGS)
append_list_if(SANITIZER_CAN_USE_CXXABI -DUBSAN_CAN_USE_CXXABI UBSAN_STANDALONE_CFLAGS)

set(UBSAN_CXXFLAGS ${SANITIZER_COMMON_CFLAGS})
append_rtti_flag(ON UBSAN_CXXFLAGS)
append_list_if(SANITIZER_CAN_USE_CXXABI -DUBSAN_CAN_USE_CXXABI UBSAN_CXXFLAGS)

set(UBSAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES} ${SANITIZER_COMMON_LINK_LIBS})

append_list_if(COMPILER_RT_HAS_LIBDL dl UBSAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBLOG log UBSAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBRT rt UBSAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread UBSAN_DYNAMIC_LIBS)

add_compiler_rt_component(ubsan)

if(APPLE)
  set(UBSAN_COMMON_SOURCES ${UBSAN_SOURCES})
  if(SANITIZER_CAN_USE_CXXABI)
    list(APPEND UBSAN_COMMON_SOURCES ${UBSAN_CXXABI_SOURCES})
  endif()

  # Common parts of UBSan runtime.
  add_compiler_rt_object_libraries(RTUbsan
    OS ${SANITIZER_COMMON_SUPPORTED_OS}
    ARCHS ${UBSAN_COMMON_SUPPORTED_ARCH}
    SOURCES ${UBSAN_COMMON_SOURCES}
    ADDITIONAL_HEADERS ${UBSAN_HEADERS}
    CFLAGS ${UBSAN_CXXFLAGS})

  if(COMPILER_RT_HAS_UBSAN)
    # Initializer of standalone UBSan runtime.
    add_compiler_rt_object_libraries(RTUbsan_standalone
      OS ${SANITIZER_COMMON_SUPPORTED_OS}
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      SOURCES ${UBSAN_STANDALONE_SOURCES}
      ADDITIONAL_HEADERS ${UBSAN_HEADERS}
      CFLAGS ${UBSAN_STANDALONE_CFLAGS})

    add_weak_symbols("ubsan" WEAK_SYMBOL_LINK_FLAGS)
    add_weak_symbols("sanitizer_common" WEAK_SYMBOL_LINK_FLAGS)

    add_compiler_rt_runtime(clang_rt.ubsan
      SHARED
      OS ${SANITIZER_COMMON_SUPPORTED_OS}
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      OBJECT_LIBS RTUbsan
                  RTUbsan_standalone
                  RTSanitizerCommon
                  RTSanitizerCommonLibc
                  RTSanitizerCommonCoverage
                  RTSanitizerCommonSymbolizer
                  RTInterception
      LINK_FLAGS ${WEAK_SYMBOL_LINK_FLAGS}
      PARENT_TARGET ubsan)

    add_compiler_rt_runtime(clang_rt.ubsan
      STATIC
      OS ${SANITIZER_COMMON_SUPPORTED_OS}
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      OBJECT_LIBS RTUbsan
                  RTUbsan_standalone
                  RTSanitizerCommonNoHooks
                  RTSanitizerCommonLibcNoHooks
                  RTSanitizerCommonCoverage
                  RTSanitizerCommonSymbolizerNoHooks
                  RTInterception
      LINK_FLAGS ${WEAK_SYMBOL_LINK_FLAGS}
      PARENT_TARGET ubsan)
  endif()

else()
  # Common parts of UBSan runtime.
  add_compiler_rt_object_libraries(RTUbsan
    ARCHS ${UBSAN_COMMON_SUPPORTED_ARCH}
    SOURCES ${UBSAN_SOURCES}
    ADDITIONAL_HEADERS ${UBSAN_HEADERS}
    CFLAGS ${UBSAN_CFLAGS})

  if(SANITIZER_CAN_USE_CXXABI)
    # C++-specific parts of UBSan runtime. Requires a C++ ABI library.
    set(UBSAN_CXX_SOURCES ${UBSAN_CXXABI_SOURCES})
  else()
    # Dummy target if we don't have C++ ABI library.
    file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/cxx_dummy.cpp "")
    set(UBSAN_CXX_SOURCES ${CMAKE_CURRENT_BINARY_DIR}/cxx_dummy.cpp)
  endif()

  add_compiler_rt_object_libraries(RTUbsan_cxx
    ARCHS ${UBSAN_COMMON_SUPPORTED_ARCH}
    SOURCES ${UBSAN_CXX_SOURCES}
    ADDITIONAL_HEADERS ${UBSAN_HEADERS}
    CFLAGS ${UBSAN_CXXFLAGS})

  if (WIN32)
    add_compiler_rt_object_libraries(UbsanWeakInterception
      ${SANITIZER_COMMON_SUPPORTED_OS}
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      SOURCES ubsan_win_weak_interception.cpp
      CFLAGS ${UBSAN_CFLAGS} -DSANITIZER_DYNAMIC
      DEFS ${UBSAN_COMMON_DEFINITIONS})

    add_compiler_rt_object_libraries(UbsanDllThunk
      ${SANITIZER_COMMON_SUPPORTED_OS}
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      SOURCES ubsan_win_dll_thunk.cpp
      CFLAGS ${UBSAN_CFLAGS} -DSANITIZER_DLL_THUNK
      DEFS ${UBSAN_COMMON_DEFINITIONS})

    set(DYNAMIC_RUNTIME_THUNK_CFLAGS "-DSANITIZER_DYNAMIC_RUNTIME_THUNK")
    if(MSVC)
      list(APPEND DYNAMIC_RUNTIME_THUNK_CFLAGS "-Zl")
    elseif(CMAKE_C_COMPILER_ID MATCHES Clang)
      list(APPEND DYNAMIC_RUNTIME_THUNK_CFLAGS "-nodefaultlibs")
    endif()
    add_compiler_rt_object_libraries(UbsanDynamicRuntimeThunk
      ${SANITIZER_COMMON_SUPPORTED_OS}
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      SOURCES ubsan_win_dynamic_runtime_thunk.cpp
      CFLAGS ${UBSAN_CFLAGS} ${DYNAMIC_RUNTIME_THUNK_CFLAGS}
      DEFS ${UBSAN_COMMON_DEFINITIONS})
  endif()

  if(COMPILER_RT_HAS_UBSAN)
    add_compiler_rt_object_libraries(RTUbsan_standalone
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      SOURCES ${UBSAN_STANDALONE_SOURCES}
      ADDITIONAL_HEADERS ${UBSAN_HEADERS}
      CFLAGS ${UBSAN_STANDALONE_CFLAGS})

    # Standalone UBSan runtimes.
    add_compiler_rt_runtime(clang_rt.ubsan_standalone
      STATIC
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      SOURCES ubsan_init_standalone_preinit.cpp
      ADDITIONAL_HEADERS ${UBSAN_HEADERS}
      OBJECT_LIBS RTSanitizerCommon
              RTSanitizerCommonLibc
              RTSanitizerCommonCoverage
              RTSanitizerCommonSymbolizer
              RTUbsan
              RTUbsan_standalone
              RTInterception
      CFLAGS ${UBSAN_CFLAGS}
      PARENT_TARGET ubsan)

    add_compiler_rt_runtime(clang_rt.ubsan_standalone_cxx
      STATIC
      ARCHS ${UBSAN_SUPPORTED_ARCH}
      OBJECT_LIBS RTUbsan_cxx
      CFLAGS ${UBSAN_CXXFLAGS}
      PARENT_TARGET ubsan)

    if (FUCHSIA OR UNIX)
      add_compiler_rt_runtime(clang_rt.ubsan_standalone
        SHARED
        ARCHS ${UBSAN_SUPPORTED_ARCH}
        OBJECT_LIBS RTSanitizerCommon
              RTSanitizerCommonLibc
              RTSanitizerCommonCoverage
              RTSanitizerCommonSymbolizer
              RTUbsan
              RTUbsan_cxx
              RTUbsan_standalone
              RTInterception
        CFLAGS ${UBSAN_CFLAGS}
        LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS}
        LINK_LIBS ${UBSAN_DYNAMIC_LIBS}
        PARENT_TARGET ubsan)

      set(ARCHS_FOR_SYMBOLS ${UBSAN_SUPPORTED_ARCH})
      list(REMOVE_ITEM ARCHS_FOR_SYMBOLS i386)
      add_sanitizer_rt_symbols(clang_rt.ubsan_standalone
        ARCHS ${ARCHS_FOR_SYMBOLS}
        PARENT_TARGET ubsan
        EXTRA ubsan.syms.extra)
      add_sanitizer_rt_symbols(clang_rt.ubsan_standalone_cxx
        ARCHS ${ARCHS_FOR_SYMBOLS}
        PARENT_TARGET ubsan
        EXTRA ubsan.syms.extra)
    endif()
  endif()
endif()