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
|
add_compiler_rt_component(scudo_standalone)
include_directories(../.. include)
set(SCUDO_CFLAGS)
list(APPEND SCUDO_CFLAGS
-Werror=conversion
-Wall
-Wextra
-pedantic
-g
-nostdinc++)
# Remove -stdlib= which is unused when passing -nostdinc++.
string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
append_list_if(COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG -fvisibility=hidden SCUDO_CFLAGS)
append_list_if(COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions SCUDO_CFLAGS)
append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic SCUDO_CFLAGS)
# FIXME: find cleaner way to agree with GWPAsan flags
append_list_if(COMPILER_RT_HAS_FNO_LTO_FLAG -fno-lto SCUDO_CFLAGS)
if(COMPILER_RT_DEBUG)
list(APPEND SCUDO_CFLAGS -O0 -DSCUDO_DEBUG=1)
else()
list(APPEND SCUDO_CFLAGS -O3)
endif()
append_list_if(COMPILER_RT_HAS_WTHREAD_SAFETY_FLAG -Werror=thread-safety
SCUDO_CFLAGS)
set(SCUDO_LINK_FLAGS)
list(APPEND SCUDO_LINK_FLAGS -Wl,-z,defs,-z,now,-z,relro)
list(APPEND SCUDO_LINK_FLAGS -ffunction-sections -fdata-sections -Wl,--gc-sections)
# We don't use the C++ standard library, so avoid including it by mistake.
append_list_if(COMPILER_RT_HAS_NOSTDLIBXX_FLAG -nostdlib++ SCUDO_LINK_FLAGS)
append_list_if(CXX_SUPPORTS_UNWINDLIB_NONE_FLAG --unwindlib=none SCUDO_LINK_FLAGS)
if(COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH)
list(APPEND SCUDO_CFLAGS "--sysroot=${COMPILER_RT_SCUDO_STANDALONE_SYSROOT_PATH}")
endif()
if(ANDROID)
list(APPEND SCUDO_CFLAGS -fno-emulated-tls)
# Put the shared library in the global group. For more details, see
# android-changes-for-ndk-developers.md#changes-to-library-search-order
append_list_if(COMPILER_RT_HAS_Z_GLOBAL -Wl,-z,global SCUDO_LINK_FLAGS)
endif()
set(SCUDO_HEADERS
allocator_config.h
atomic_helpers.h
bytemap.h
checksum.h
chunk.h
combined.h
common.h
flags_parser.h
flags.h
fuchsia.h
internal_defs.h
linux.h
list.h
local_cache.h
memtag.h
mem_map.h
mem_map_base.h
mem_map_fuchsia.h
mutex.h
options.h
platform.h
primary32.h
primary64.h
quarantine.h
release.h
report.h
rss_limit_checker.h
secondary.h
size_class_map.h
stack_depot.h
stats.h
string_utils.h
timing.h
tsd_exclusive.h
tsd_shared.h
tsd.h
vector.h
wrappers_c_checks.h
wrappers_c.h
include/scudo/interface.h
)
set(SCUDO_SOURCES
checksum.cpp
common.cpp
crc32_hw.cpp
flags_parser.cpp
flags.cpp
fuchsia.cpp
linux.cpp
mem_map.cpp
mem_map_fuchsia.cpp
release.cpp
report.cpp
rss_limit_checker.cpp
string_utils.cpp
timing.cpp
)
# Temporary hack until LLVM libc supports inttypes.h print format macros
# See: https://github.com/llvm/llvm-project/issues/63317#issuecomment-1591906241
if(LLVM_LIBC_INCLUDE_SCUDO)
list(REMOVE_ITEM SCUDO_HEADERS timing.h)
list(REMOVE_ITEM SCUDO_SOURCES timing.cpp)
endif()
# Enable the necessary instruction set for scudo_crc32.cpp, if available.
# Newer compiler versions use -mcrc32 rather than -msse4.2.
if (COMPILER_RT_HAS_MCRC32_FLAG)
set_source_files_properties(crc32_hw.cpp PROPERTIES COMPILE_FLAGS -mcrc32)
elseif (COMPILER_RT_HAS_MSSE4_2_FLAG)
set_source_files_properties(crc32_hw.cpp PROPERTIES COMPILE_FLAGS -msse4.2)
endif()
# Enable the AArch64 CRC32 feature for crc32_hw.cpp, if available.
# Note that it is enabled by default starting with armv8.1-a.
if (COMPILER_RT_HAS_MCRC_FLAG)
set_source_files_properties(crc32_hw.cpp PROPERTIES COMPILE_FLAGS -mcrc)
endif()
set(SCUDO_SOURCES_C_WRAPPERS
wrappers_c.cpp
)
set(SCUDO_SOURCES_CXX_WRAPPERS
wrappers_cpp.cpp
)
set(SCUDO_OBJECT_LIBS)
set(SCUDO_LINK_LIBS)
if (COMPILER_RT_HAS_GWP_ASAN)
if(COMPILER_RT_USE_LLVM_UNWINDER)
list(APPEND SCUDO_LINK_LIBS ${COMPILER_RT_UNWINDER_LINK_LIBS} dl)
elseif (COMPILER_RT_HAS_GCC_S_LIB)
list(APPEND SCUDO_LINK_LIBS gcc_s)
elseif (COMPILER_RT_HAS_GCC_LIB)
list(APPEND SCUDO_LINK_LIBS gcc)
elseif (NOT COMPILER_RT_USE_BUILTINS_LIBRARY)
message(FATAL_ERROR "No suitable unwinder library")
endif()
add_dependencies(scudo_standalone gwp_asan)
list(APPEND SCUDO_OBJECT_LIBS
RTGwpAsan RTGwpAsanBacktraceLibc RTGwpAsanSegvHandler
RTGwpAsanOptionsParser)
append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fno-omit-frame-pointer
-mno-omit-leaf-frame-pointer
SCUDO_CFLAGS)
list(APPEND SCUDO_CFLAGS -DGWP_ASAN_HOOKS)
endif()
if(COMPILER_RT_BUILD_SCUDO_STANDALONE_WITH_LLVM_LIBC)
include_directories(${COMPILER_RT_BINARY_DIR}/../libc/include/)
set(SCUDO_DEPS libc-headers)
list(APPEND SCUDO_CFLAGS "-ffreestanding")
endif()
append_list_if(COMPILER_RT_HAS_LIBPTHREAD -pthread SCUDO_LINK_FLAGS)
append_list_if(FUCHSIA zircon SCUDO_LINK_LIBS)
if(COMPILER_RT_DEFAULT_TARGET_ARCH MATCHES "mips|mips64|mipsel|mips64el")
list(APPEND SCUDO_LINK_LIBS atomic)
endif()
if(COMPILER_RT_HAS_SCUDO_STANDALONE)
add_compiler_rt_object_libraries(RTScudoStandalone
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_object_libraries(RTScudoStandaloneCWrappers
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_C_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_object_libraries(RTScudoStandaloneCxxWrappers
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS})
add_compiler_rt_runtime(clang_rt.scudo_standalone
STATIC
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_SOURCES_C_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
PARENT_TARGET scudo_standalone)
add_compiler_rt_runtime(clang_rt.scudo_standalone_cxx
STATIC
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
PARENT_TARGET scudo_standalone)
if(COMPILER_RT_SCUDO_STANDALONE_BUILD_SHARED)
add_compiler_rt_runtime(clang_rt.scudo_standalone
SHARED
ARCHS ${SCUDO_STANDALONE_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_SOURCES_C_WRAPPERS} ${SCUDO_SOURCES_CXX_WRAPPERS}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
DEPS ${SCUDO_DEPS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
LINK_FLAGS ${SCUDO_LINK_FLAGS}
LINK_LIBS ${SCUDO_LINK_LIBS}
PARENT_TARGET scudo_standalone)
endif()
add_subdirectory(benchmarks)
if(COMPILER_RT_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
endif()
|
