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
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
# 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)
# Too many existing bugs, needs cleanup.
append_list_if(COMPILER_RT_HAS_WNO_FORMAT -Wno-format 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)
# Silence warnings in system headers with MSVC.
if(NOT CLANG_CL)
append_list_if(COMPILER_RT_HAS_EXTERNAL_FLAG "/experimental:external /external:W0 /external:anglebrackets" UBSAN_CXXFLAGS)
endif()
set(UBSAN_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
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 ${UBSAN_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 ${UBSAN_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 ${UBSAN_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 (COMPILER_RT_HAS_VERSION_SCRIPT)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp "")
add_compiler_rt_object_libraries(RTUbsan_dynamic_version_script_dummy
ARCHS ${UBSAN_SUPPORTED_ARCH}
SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp
CFLAGS ${UBSAN_CFLAGS})
foreach(arch ${UBSAN_SUPPORTED_ARCH})
add_sanitizer_rt_version_list(clang_rt.ubsan_standalone-dynamic-${arch}
LIBS clang_rt.ubsan_standalone-${arch}
clang_rt.ubsan_standalone_cxx-${arch}
EXTRA ubsan.syms.extra)
set(VERSION_SCRIPT_FLAG
-Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/clang_rt.ubsan_standalone-dynamic-${arch}.vers)
# The Solaris 11.4 linker supports a subset of GNU ld version scripts,
# but requires a special option to enable it.
if (COMPILER_RT_HAS_GNU_VERSION_SCRIPT_COMPAT)
list(APPEND VERSION_SCRIPT_FLAG -Wl,-z,gnu-version-script-compat)
endif()
set_property(SOURCE
${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp
APPEND PROPERTY
OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/clang_rt.ubsan_standalone-dynamic-${arch}.vers)
add_compiler_rt_runtime(clang_rt.ubsan_standalone
SHARED
ARCHS ${arch}
OBJECT_LIBS RTSanitizerCommon
RTSanitizerCommonLibc
RTSanitizerCommonCoverage
RTSanitizerCommonSymbolizer
RTUbsan
RTUbsan_cxx
RTUbsan_standalone
RTInterception
RTUbsan_dynamic_version_script_dummy
CFLAGS ${UBSAN_CFLAGS}
LINK_FLAGS ${UBSAN_LINK_FLAGS} ${VERSION_SCRIPT_FLAG}
LINK_LIBS ${UBSAN_DYNAMIC_LIBS}
PARENT_TARGET ubsan)
endforeach()
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()
|
