blob: de2b582281bac8cd4eb4cab166517459e436f5ce (
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
146
147
148
|
include(CheckCXXCompilerFlag)
include(CompilerRTCompile)
include(CompilerRTLink)
include_directories(..)
include_directories(../..)
set(MSAN_LIBCXX_CFLAGS
-fsanitize=memory
-fsanitize-memory-track-origins
-Wno-pedantic
-Xclang -fdepfile-entry=${COMPILER_RT_OUTPUT_DIR}/share/msan_ignorelist.txt
)
# Unittest sources and build flags.
set(MSAN_UNITTEST_SOURCES
msan_test.cpp
msan_test_main.cpp
)
set(MSAN_LOADABLE_SOURCE
msan_loadable.cpp
)
set(MSAN_UNITTEST_HEADERS
msan_test_config.h
../../../include/sanitizer/msan_interface.h
)
set(MSAN_UNITTEST_COMMON_CFLAGS
-nostdinc++
${COMPILER_RT_UNITTEST_CFLAGS}
${COMPILER_RT_GTEST_CFLAGS}
-I${COMPILER_RT_SOURCE_DIR}/include
-I${COMPILER_RT_SOURCE_DIR}/lib
-I${COMPILER_RT_SOURCE_DIR}/lib/msan
-g
-O2
-fno-omit-frame-pointer
-mno-omit-leaf-frame-pointer
-Wno-deprecated-declarations
-Wno-unused-variable
-Wno-zero-length-array
-Wno-uninitialized
-Werror=sign-compare
-Wno-gnu-zero-variadic-macro-arguments
)
# Remove -stdlib= which is unused when passing -nostdinc++.
string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
set(MSAN_UNITTEST_INSTRUMENTED_CFLAGS
${MSAN_UNITTEST_COMMON_CFLAGS}
-fsanitize=memory
-fsanitize-memory-track-origins
-mllvm -msan-keep-going=1
)
set(MSAN_UNITTEST_LINK_FLAGS
${COMPILER_RT_UNITTEST_LINK_FLAGS}
-fsanitize=memory
# Don't need -stdlib=libc++ because we explicitly list libc++.a in the linker
# inputs.
)
append_list_if(COMPILER_RT_HAS_LIBDL -ldl MSAN_UNITTEST_LINK_FLAGS)
macro(msan_compile obj_list source arch kind cflags)
sanitizer_test_compile(
${obj_list} ${source} ${arch}
KIND ${kind}
COMPILE_DEPS ${MSAN_UNITTEST_HEADERS}
DEPS gtest msan
CFLAGS -isystem ${CMAKE_CURRENT_BINARY_DIR}/../libcxx_msan_${arch}/include/c++/v1
${MSAN_UNITTEST_INSTRUMENTED_CFLAGS} ${cflags}
)
endmacro()
macro(msan_link_shared so_list so_name arch kind)
cmake_parse_arguments(SOURCE "" "" "OBJECTS;LINK_FLAGS;DEPS" ${ARGN})
set(output_so "${CMAKE_CURRENT_BINARY_DIR}/${so_name}.${arch}${kind}.so")
get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS)
if(NOT COMPILER_RT_STANDALONE_BUILD)
list(APPEND SOURCE_DEPS msan)
endif()
clang_link_shared(${output_so}
OBJECTS ${SOURCE_OBJECTS}
LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS} ${TARGET_LINK_FLAGS} ${SOURCE_LINK_FLAGS}
DEPS ${SOURCE_DEPS})
list(APPEND ${so_list} ${output_so})
endmacro()
# Main MemorySanitizer unit tests.
add_custom_target(MsanUnitTests)
set_target_properties(MsanUnitTests PROPERTIES FOLDER "MSan unit tests")
# Adds MSan unit tests and benchmarks for architecture.
macro(add_msan_tests_for_arch arch kind cflags)
# Build gtest instrumented with MSan.
set(MSAN_INST_GTEST)
msan_compile(MSAN_INST_GTEST ${COMPILER_RT_GTEST_SOURCE} ${arch} "${kind}"
"${cflags}")
# Instrumented tests.
set(MSAN_INST_TEST_OBJECTS)
foreach (SOURCE ${MSAN_UNITTEST_SOURCES})
msan_compile(MSAN_INST_TEST_OBJECTS ${SOURCE} ${arch} "${kind}" "${cflags}")
endforeach(SOURCE)
# Instrumented loadable module objects.
set(MSAN_INST_LOADABLE_OBJECTS)
msan_compile(MSAN_INST_LOADABLE_OBJECTS ${MSAN_LOADABLE_SOURCE} ${arch} "${kind}"
"-fPIC;${cflags}")
# Instrumented loadable library tests.
set(MSAN_LOADABLE_SO)
msan_link_shared(MSAN_LOADABLE_SO "libmsan_loadable" ${arch} "${kind}"
OBJECTS ${MSAN_INST_LOADABLE_OBJECTS}
DEPS ${MSAN_INST_LOADABLE_OBJECTS})
set(MSAN_TEST_OBJECTS ${MSAN_INST_TEST_OBJECTS} ${MSAN_INST_GTEST})
set(MSAN_TEST_DEPS ${MSAN_TEST_OBJECTS} libcxx_msan_${arch}-build
${MSAN_LOADABLE_SO}
"${MSAN_LIBCXX_DIR}/libc++.a" "${MSAN_LIBCXX_DIR}/libc++abi.a")
if(NOT COMPILER_RT_STANDALONE_BUILD)
list(APPEND MSAN_TEST_DEPS msan)
endif()
get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS)
add_compiler_rt_test(MsanUnitTests "Msan-${arch}${kind}-Test" ${arch}
OBJECTS ${MSAN_TEST_OBJECTS} "${MSAN_LIBCXX_DIR}/libc++.a" "${MSAN_LIBCXX_DIR}/libc++abi.a"
DEPS ${MSAN_TEST_DEPS}
LINK_FLAGS ${MSAN_UNITTEST_LINK_FLAGS}
${TARGET_LINK_FLAGS})
endmacro()
# We should only build MSan unit tests if we can build instrumented libcxx.
if(COMPILER_RT_CAN_EXECUTE_TESTS AND
COMPILER_RT_LIBCXX_PATH AND
COMPILER_RT_LIBCXXABI_PATH)
foreach(arch ${MSAN_SUPPORTED_ARCH})
get_target_flags_for_arch(${arch} TARGET_CFLAGS)
set(LIBCXX_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/../libcxx_msan_${arch})
add_custom_libcxx(libcxx_msan_${arch} ${LIBCXX_PREFIX}
DEPS ${MSAN_RUNTIME_LIBRARIES}
CFLAGS ${MSAN_LIBCXX_CFLAGS} ${TARGET_CFLAGS}
USE_TOOLCHAIN)
set(MSAN_LIBCXX_DIR ${LIBCXX_PREFIX}/lib/)
add_msan_tests_for_arch(${arch} "" "")
add_msan_tests_for_arch(${arch} "-with-call"
"-mllvm;-msan-instrumentation-with-call-threshold=0")
endforeach()
endif()
|
