blob: 15013c09cdfc31c5bb72c6c41d6e2b251041e9f1 (
plain)
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
|
include_directories(..)
# Runtime library sources and build flags.
set(HWASAN_RTL_SOURCES
hwasan.cc
hwasan_allocator.cc
hwasan_interceptors.cc
hwasan_linux.cc
hwasan_report.cc
hwasan_thread.cc
hwasan_poisoning.cc
)
set(HWASAN_RTL_CXX_SOURCES
hwasan_new_delete.cc)
set(HWASAN_RTL_CFLAGS ${SANITIZER_COMMON_CFLAGS})
append_rtti_flag(OFF HWASAN_RTL_CFLAGS)
append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC HWASAN_RTL_CFLAGS)
# Prevent clang from generating libc calls.
append_list_if(COMPILER_RT_HAS_FFREESTANDING_FLAG -ffreestanding HWASAN_RTL_CFLAGS)
set(HWASAN_DYNAMIC_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
if(ANDROID)
# On Android, -z global does not do what it is documented to do.
# On Android, -z global moves the library ahead in the lookup order,
# placing it right after the LD_PRELOADs. This is used to compensate for the fact
# that Android linker does not look at the dependencies of the main executable
# that aren't dependencies of the current DSO when resolving symbols from said DSO.
# As a net result, this allows running ASan executables without LD_PRELOAD-ing the
# ASan runtime library.
# The above is applicable to L MR1 or newer.
if (COMPILER_RT_HAS_Z_GLOBAL)
list(APPEND HWASAN_DYNAMIC_LINK_FLAGS -Wl,-z,global)
endif()
endif()
set(HWASAN_DYNAMIC_CFLAGS ${HWASAN_RTL_CFLAGS})
append_list_if(COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC
-ftls-model=initial-exec HWASAN_DYNAMIC_CFLAGS)
append_list_if(MSVC /DEBUG HWASAN_DYNAMIC_LINK_FLAGS)
set(HWASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY} ${SANITIZER_COMMON_LINK_LIBS})
append_list_if(COMPILER_RT_HAS_LIBDL dl HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBRT rt HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBM m HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread HWASAN_DYNAMIC_LIBS)
append_list_if(COMPILER_RT_HAS_LIBLOG log HWASAN_DYNAMIC_LIBS)
# Static runtime library.
add_compiler_rt_component(hwasan)
add_compiler_rt_object_libraries(RTHwasan
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_SOURCES} CFLAGS ${HWASAN_RTL_CFLAGS})
add_compiler_rt_object_libraries(RTHwasan_cxx
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_CXX_SOURCES} CFLAGS ${HWASAN_RTL_CFLAGS})
add_compiler_rt_object_libraries(RTHwasan_dynamic
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${HWASAN_RTL_SOURCES} ${TSAN_RTL_CXX_SOURCES}
CFLAGS ${HWASAN_DYNAMIC_CFLAGS})
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.cc "")
add_compiler_rt_object_libraries(RTHwasan_dynamic_version_script_dummy
ARCHS ${HWASAN_SUPPORTED_ARCH}
SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dummy.cc
CFLAGS ${HWASAN_DYNAMIC_CFLAGS})
foreach(arch ${HWASAN_SUPPORTED_ARCH})
add_compiler_rt_runtime(clang_rt.hwasan
STATIC
ARCHS ${arch}
OBJECT_LIBS RTHwasan
RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTUbsan
CFLAGS ${HWASAN_RTL_CFLAGS}
PARENT_TARGET hwasan)
add_compiler_rt_runtime(clang_rt.hwasan_cxx
STATIC
ARCHS ${arch}
OBJECT_LIBS RTHwasan_cxx
RTUbsan_cxx
CFLAGS ${HWASAN_RTL_CFLAGS}
PARENT_TARGET hwasan)
if (UNIX)
add_sanitizer_rt_version_list(clang_rt.hwasan-dynamic-${arch}
LIBS clang_rt.hwasan-${arch} clang_rt.hwasan_cxx-${arch}
EXTRA hwasan.syms.extra)
set(VERSION_SCRIPT_FLAG
-Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/clang_rt.hwasan-dynamic-${arch}.vers)
set_property(SOURCE
${CMAKE_CURRENT_BINARY_DIR}/dummy.cc
APPEND PROPERTY
OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/clang_rt.hwasan-dynamic-${arch}.vers)
else()
set(VERSION_SCRIPT_FLAG)
endif()
add_compiler_rt_runtime(clang_rt.hwasan
SHARED
ARCHS ${arch}
OBJECT_LIBS
RTHwasan_dynamic
RTInterception
RTSanitizerCommon
RTSanitizerCommonLibc
RTUbsan
# The only purpose of RTHWAsan_dynamic_version_script_dummy is to
# carry a dependency of the shared runtime on the version script.
# Replacing it with a straightforward
# add_dependencies(clang_rt.asan-dynamic-${arch} clang_rt.asan-dynamic-${arch}-version-list)
# generates an order-only dependency in ninja.
RTHwasan_dynamic_version_script_dummy
CFLAGS ${HWASAN_DYNAMIC_CFLAGS}
LINK_FLAGS ${HWASAN_DYNAMIC_LINK_FLAGS}
${VERSION_SCRIPT_FLAG}
LINK_LIBS ${HWASAN_DYNAMIC_LIBS}
DEFS ${ASAN_DYNAMIC_DEFINITIONS}
PARENT_TARGET hwasan)
if(UNIX)
add_sanitizer_rt_symbols(clang_rt.hwasan
ARCHS ${arch}
EXTRA hwasan.syms.extra)
add_sanitizer_rt_symbols(clang_rt.hwasan_cxx
ARCHS ${arch}
EXTRA hwasan.syms.extra)
add_dependencies(hwasan clang_rt.hwasan-${arch}-symbols
clang_rt.hwasan_cxx-${arch}-symbols)
endif()
endforeach()
add_compiler_rt_resource_file(hwasan_blacklist hwasan_blacklist.txt hwasan)
# if(COMPILER_RT_INCLUDE_TESTS)
# add_subdirectory(tests)
# endif()
|
