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
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
|
# Build for the AddressSanitizer runtime support library.
set(ASAN_SOURCES
asan_allocator.cpp
asan_activation.cpp
asan_debugging.cpp
asan_descriptions.cpp
asan_errors.cpp
asan_fake_stack.cpp
asan_flags.cpp
asan_fuchsia.cpp
asan_globals.cpp
asan_globals_win.cpp
asan_interceptors.cpp
asan_interceptors_memintrinsics.cpp
asan_linux.cpp
asan_mac.cpp
asan_malloc_linux.cpp
asan_malloc_mac.cpp
asan_malloc_win.cpp
asan_memory_profile.cpp
asan_poisoning.cpp
asan_posix.cpp
asan_premap_shadow.cpp
asan_report.cpp
asan_rtl.cpp
asan_shadow_setup.cpp
asan_stack.cpp
asan_stats.cpp
asan_suppressions.cpp
asan_thread.cpp
asan_win.cpp
)
if (NOT WIN32 AND NOT APPLE)
list(APPEND ASAN_SOURCES
asan_interceptors_vfork.S
)
endif()
set(ASAN_CXX_SOURCES
asan_new_delete.cpp
)
set(ASAN_PREINIT_SOURCES
asan_preinit.cpp
)
SET(ASAN_HEADERS
asan_activation.h
asan_activation_flags.inc
asan_allocator.h
asan_descriptions.h
asan_errors.h
asan_fake_stack.h
asan_flags.h
asan_flags.inc
asan_init_version.h
asan_interceptors.h
asan_interceptors_memintrinsics.h
asan_interface.inc
asan_interface_internal.h
asan_internal.h
asan_lock.h
asan_mapping.h
asan_poisoning.h
asan_premap_shadow.h
asan_report.h
asan_scariness_score.h
asan_stack.h
asan_stats.h
asan_suppressions.h
asan_thread.h
)
include_directories(..)
set(ASAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
set(ASAN_COMMON_DEFINITIONS ${COMPILER_RT_ASAN_SHADOW_SCALE_DEFINITION})
append_rtti_flag(OFF ASAN_CFLAGS)
set(ASAN_DYNAMIC_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
if(ANDROID)
# Put most Sanitizer shared libraries in the global group. For more details, see
# android-changes-for-ndk-developers.md#changes-to-library-search-order
if (COMPILER_RT_HAS_Z_GLOBAL)
list(APPEND ASAN_DYNAMIC_LINK_FLAGS -Wl,-z,global)
endif()
endif()
set(ASAN_DYNAMIC_DEFINITIONS
${ASAN_COMMON_DEFINITIONS} ASAN_DYNAMIC=1)
append_list_if(WIN32 INTERCEPTION_DYNAMIC_CRT ASAN_DYNAMIC_DEFINITIONS)
set(ASAN_DYNAMIC_CFLAGS ${ASAN_CFLAGS})
append_list_if(COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC
-ftls-model=initial-exec ASAN_DYNAMIC_CFLAGS)
append_list_if(MSVC /DEBUG ASAN_DYNAMIC_LINK_FLAGS)
set(ASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES} ${SANITIZER_COMMON_LINK_LIBS})
append_list_if(COMPILER_RT_HAS_LIBDL dl ASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBRT rt ASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBM m ASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread ASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBLOG log ASAN_DYNAMIC_LIBS)
append_list_if(MINGW "${MINGW_LIBRARIES}" ASAN_DYNAMIC_LIBS)
# Compile ASan sources into an object library.
add_compiler_rt_object_libraries(RTAsan_dynamic
OS ${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${ASAN_SUPPORTED_ARCH}
SOURCES ${ASAN_SOURCES} ${ASAN_CXX_SOURCES}
ADDITIONAL_HEADERS ${ASAN_HEADERS}
CFLAGS ${ASAN_DYNAMIC_CFLAGS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS})
if(NOT APPLE)
add_compiler_rt_object_libraries(RTAsan
ARCHS ${ASAN_SUPPORTED_ARCH}
SOURCES ${ASAN_SOURCES}
ADDITIONAL_HEADERS ${ASAN_HEADERS}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_compiler_rt_object_libraries(RTAsan_cxx
ARCHS ${ASAN_SUPPORTED_ARCH}
SOURCES ${ASAN_CXX_SOURCES}
ADDITIONAL_HEADERS ${ASAN_HEADERS}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_compiler_rt_object_libraries(RTAsan_preinit
ARCHS ${ASAN_SUPPORTED_ARCH}
SOURCES ${ASAN_PREINIT_SOURCES}
ADDITIONAL_HEADERS ${ASAN_HEADERS}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp "")
add_compiler_rt_object_libraries(RTAsan_dynamic_version_script_dummy
ARCHS ${ASAN_SUPPORTED_ARCH}
SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp
CFLAGS ${ASAN_DYNAMIC_CFLAGS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS})
endif()
# Build ASan runtimes shipped with Clang.
add_compiler_rt_component(asan)
if(APPLE)
add_weak_symbols("asan" WEAK_SYMBOL_LINK_FLAGS)
add_weak_symbols("lsan" WEAK_SYMBOL_LINK_FLAGS)
add_weak_symbols("ubsan" WEAK_SYMBOL_LINK_FLAGS)
add_weak_symbols("sanitizer_common" WEAK_SYMBOL_LINK_FLAGS)
add_weak_symbols("xray" WEAK_SYMBOL_LINK_FLAGS)
add_compiler_rt_runtime(clang_rt.asan
SHARED
OS ${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${ASAN_SUPPORTED_ARCH}
OBJECT_LIBS RTAsan_dynamic
RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTSanitizerCommonCoverage
RTSanitizerCommonSymbolizer
RTLSanCommon
RTUbsan
CFLAGS ${ASAN_DYNAMIC_CFLAGS}
LINK_FLAGS ${WEAK_SYMBOL_LINK_FLAGS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS}
PARENT_TARGET asan)
else()
# Build separate libraries for each target.
set(ASAN_COMMON_RUNTIME_OBJECT_LIBS
RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTSanitizerCommonCoverage
RTSanitizerCommonSymbolizer
RTLSanCommon
RTUbsan)
add_compiler_rt_runtime(clang_rt.asan
STATIC
ARCHS ${ASAN_SUPPORTED_ARCH}
OBJECT_LIBS RTAsan_preinit
RTAsan
${ASAN_COMMON_RUNTIME_OBJECT_LIBS}
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS}
PARENT_TARGET asan)
add_compiler_rt_runtime(clang_rt.asan_cxx
STATIC
ARCHS ${ASAN_SUPPORTED_ARCH}
OBJECT_LIBS RTAsan_cxx
RTUbsan_cxx
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS}
PARENT_TARGET asan)
add_compiler_rt_runtime(clang_rt.asan-preinit
STATIC
ARCHS ${ASAN_SUPPORTED_ARCH}
OBJECT_LIBS RTAsan_preinit
CFLAGS ${ASAN_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS}
PARENT_TARGET asan)
foreach(arch ${ASAN_SUPPORTED_ARCH})
if (COMPILER_RT_HAS_VERSION_SCRIPT)
add_sanitizer_rt_version_list(clang_rt.asan-dynamic-${arch}
LIBS clang_rt.asan-${arch} clang_rt.asan_cxx-${arch}
EXTRA asan.syms.extra)
set(VERSION_SCRIPT_FLAG
-Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/clang_rt.asan-dynamic-${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 ${CMAKE_CURRENT_BINARY_DIR}/clang_rt.asan-dynamic-${arch}.vers)
else()
set(VERSION_SCRIPT_FLAG)
endif()
set(ASAN_DYNAMIC_WEAK_INTERCEPTION)
if (WIN32)
add_compiler_rt_object_libraries(AsanWeakInterception
${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${arch}
SOURCES asan_win_weak_interception.cpp
CFLAGS ${ASAN_CFLAGS} -DSANITIZER_DYNAMIC
DEFS ${ASAN_COMMON_DEFINITIONS})
set(ASAN_DYNAMIC_WEAK_INTERCEPTION
AsanWeakInterception
UbsanWeakInterception
SancovWeakInterception
SanitizerCommonWeakInterception)
endif()
add_compiler_rt_runtime(clang_rt.asan
SHARED
ARCHS ${arch}
OBJECT_LIBS ${ASAN_COMMON_RUNTIME_OBJECT_LIBS}
RTAsan_dynamic
# The only purpose of RTAsan_dynamic_version_script_dummy is to
# carry a dependency of the shared runtime on the version script.
# Replacing it with a straightforward
# add_dependencies(clang_rt.asan-dynamic-${arch} clang_rt.asan-dynamic-${arch}-version-list)
# generates an order-only dependency in ninja.
RTAsan_dynamic_version_script_dummy
RTUbsan_cxx
${ASAN_DYNAMIC_WEAK_INTERCEPTION}
CFLAGS ${ASAN_DYNAMIC_CFLAGS}
LINK_FLAGS ${ASAN_DYNAMIC_LINK_FLAGS}
${VERSION_SCRIPT_FLAG}
LINK_LIBS ${ASAN_DYNAMIC_LIBS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS}
PARENT_TARGET asan)
if (SANITIZER_USE_SYMBOLS AND NOT ${arch} STREQUAL "i386")
add_sanitizer_rt_symbols(clang_rt.asan_cxx
ARCHS ${arch})
add_dependencies(asan clang_rt.asan_cxx-${arch}-symbols)
add_sanitizer_rt_symbols(clang_rt.asan
ARCHS ${arch}
EXTRA asan.syms.extra)
add_dependencies(asan clang_rt.asan-${arch}-symbols)
endif()
if (WIN32)
add_compiler_rt_object_libraries(AsanDllThunk
${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${arch}
SOURCES asan_globals_win.cpp
asan_win_dll_thunk.cpp
CFLAGS ${ASAN_CFLAGS} -DSANITIZER_DLL_THUNK
DEFS ${ASAN_COMMON_DEFINITIONS})
add_compiler_rt_runtime(clang_rt.asan_dll_thunk
STATIC
ARCHS ${arch}
OBJECT_LIBS AsanDllThunk
UbsanDllThunk
SancovDllThunk
SanitizerCommonDllThunk
SOURCES $<TARGET_OBJECTS:RTInterception.${arch}>
PARENT_TARGET asan)
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(AsanDynamicRuntimeThunk
${SANITIZER_COMMON_SUPPORTED_OS}
ARCHS ${arch}
SOURCES asan_globals_win.cpp
asan_win_dynamic_runtime_thunk.cpp
CFLAGS ${ASAN_CFLAGS} ${DYNAMIC_RUNTIME_THUNK_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS})
add_compiler_rt_runtime(clang_rt.asan_dynamic_runtime_thunk
STATIC
ARCHS ${arch}
OBJECT_LIBS AsanDynamicRuntimeThunk
UbsanDynamicRuntimeThunk
SancovDynamicRuntimeThunk
SanitizerCommonDynamicRuntimeThunk
CFLAGS ${ASAN_CFLAGS} ${DYNAMIC_RUNTIME_THUNK_CFLAGS}
DEFS ${ASAN_COMMON_DEFINITIONS}
PARENT_TARGET asan)
endif()
endforeach()
endif()
add_compiler_rt_resource_file(asan_ignorelist asan_ignorelist.txt asan)
add_subdirectory(scripts)
if(COMPILER_RT_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
|
