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
| add_compiler_rt_component(scudo)
include_directories(..)
set(SCUDO_CFLAGS ${SANITIZER_COMMON_CFLAGS})
# SANITIZER_COMMON_CFLAGS include -fno-builtin, but we actually want builtins!
list(APPEND SCUDO_CFLAGS -fbuiltin)
append_rtti_flag(OFF SCUDO_CFLAGS)
set(SCUDO_MINIMAL_DYNAMIC_LIBS ${SANITIZER_COMMON_LINK_LIBS})
append_list_if(COMPILER_RT_HAS_LIBDL dl SCUDO_MINIMAL_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBRT rt SCUDO_MINIMAL_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread SCUDO_MINIMAL_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBLOG log SCUDO_MINIMAL_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fno-omit-frame-pointer
SCUDO_CFLAGS)
set(SCUDO_DYNAMIC_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
# Use gc-sections by default to avoid unused code being pulled in.
list(APPEND SCUDO_DYNAMIC_LINK_FLAGS -Wl,--gc-sections)
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 SCUDO_DYNAMIC_LINK_FLAGS -Wl,-z,global)
endif()
endif()
# The minimal Scudo runtime does not inlude the UBSan runtime.
set(SCUDO_MINIMAL_OBJECT_LIBS
RTSanitizerCommonNoTermination
RTSanitizerCommonLibc
RTInterception)
if (COMPILER_RT_HAS_GWP_ASAN)
# Currently, Scudo uses the GwpAsan flag parser. This backs onto the flag
# parsing mechanism of sanitizer_common. Once Scudo has its own flag parsing,
# and parses GwpAsan options, you can remove this dependency.
list(APPEND SCUDO_MINIMAL_OBJECT_LIBS RTGwpAsan RTGwpAsanOptionsParser
RTGwpAsanBacktraceLibc)
list(APPEND SCUDO_CFLAGS -DGWP_ASAN_HOOKS)
endif()
set(SCUDO_OBJECT_LIBS ${SCUDO_MINIMAL_OBJECT_LIBS})
set(SCUDO_DYNAMIC_LIBS ${SCUDO_MINIMAL_DYNAMIC_LIBS})
if (FUCHSIA)
list(APPEND SCUDO_CFLAGS -nostdinc++)
list(APPEND SCUDO_DYNAMIC_LINK_FLAGS -nostdlib++)
else()
list(APPEND SCUDO_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES})
list(APPEND SCUDO_OBJECT_LIBS
RTSanitizerCommonCoverage
RTSanitizerCommonSymbolizer
RTUbsan)
endif()
set(SCUDO_SOURCES
scudo_allocator.cpp
scudo_crc32.cpp
scudo_errors.cpp
scudo_flags.cpp
scudo_malloc.cpp
scudo_termination.cpp
scudo_tsd_exclusive.cpp
scudo_tsd_shared.cpp
scudo_utils.cpp)
set(SCUDO_CXX_SOURCES
scudo_new_delete.cpp)
set(SCUDO_HEADERS
scudo_allocator.h
scudo_allocator_combined.h
scudo_allocator_secondary.h
scudo_crc32.h
scudo_errors.h
scudo_flags.h
scudo_flags.inc
scudo_interface_internal.h
scudo_platform.h
scudo_tsd.h
scudo_tsd_exclusive.inc
scudo_tsd_shared.inc
scudo_utils.h)
# Enable the SSE 4.2 instruction set for scudo_crc32.cpp, if available.
if (COMPILER_RT_HAS_MSSE4_2_FLAG)
set_source_files_properties(scudo_crc32.cpp PROPERTIES COMPILE_FLAGS -msse4.2)
endif()
# Enable the AArch64 CRC32 feature for scudo_crc32.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(scudo_crc32.cpp PROPERTIES COMPILE_FLAGS -mcrc)
endif()
if(COMPILER_RT_HAS_SCUDO)
add_compiler_rt_runtime(clang_rt.scudo_minimal
STATIC
ARCHS ${SCUDO_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
OBJECT_LIBS ${SCUDO_MINIMAL_OBJECT_LIBS}
CFLAGS ${SCUDO_CFLAGS}
PARENT_TARGET scudo)
add_compiler_rt_runtime(clang_rt.scudo_cxx_minimal
STATIC
ARCHS ${SCUDO_SUPPORTED_ARCH}
SOURCES ${SCUDO_CXX_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
CFLAGS ${SCUDO_CFLAGS}
PARENT_TARGET scudo)
add_compiler_rt_runtime(clang_rt.scudo
STATIC
ARCHS ${SCUDO_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
CFLAGS ${SCUDO_CFLAGS}
PARENT_TARGET scudo)
add_compiler_rt_runtime(clang_rt.scudo_cxx
STATIC
ARCHS ${SCUDO_SUPPORTED_ARCH}
SOURCES ${SCUDO_CXX_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
OBJECT_LIBS RTUbsan_cxx
CFLAGS ${SCUDO_CFLAGS}
PARENT_TARGET scudo)
add_compiler_rt_runtime(clang_rt.scudo_minimal
SHARED
ARCHS ${SCUDO_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_CXX_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
OBJECT_LIBS ${SCUDO_MINIMAL_OBJECT_LIBS}
CFLAGS ${SCUDO_CFLAGS}
LINK_FLAGS ${SCUDO_DYNAMIC_LINK_FLAGS}
LINK_LIBS ${SCUDO_MINIMAL_DYNAMIC_LIBS}
PARENT_TARGET scudo)
add_compiler_rt_runtime(clang_rt.scudo
SHARED
ARCHS ${SCUDO_SUPPORTED_ARCH}
SOURCES ${SCUDO_SOURCES} ${SCUDO_CXX_SOURCES}
ADDITIONAL_HEADERS ${SCUDO_HEADERS}
OBJECT_LIBS ${SCUDO_OBJECT_LIBS}
CFLAGS ${SCUDO_CFLAGS}
LINK_FLAGS ${SCUDO_DYNAMIC_LINK_FLAGS}
LINK_LIBS ${SCUDO_DYNAMIC_LIBS}
PARENT_TARGET scudo)
endif()
|