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
|
set(LIBFUZZER_TEST_DEPS ${SANITIZER_COMMON_LIT_TEST_DEPS})
if (NOT COMPILER_RT_STANDALONE_BUILD)
list(APPEND LIBFUZZER_TEST_DEPS fuzzer asan ubsan)
if (COMPILER_RT_HAS_MSAN)
list(APPEND LIBFUZZER_TEST_DEPS msan)
endif()
if (COMPILER_RT_HAS_DFSAN)
list(APPEND LIBFUZZER_TEST_DEPS dfsan)
endif()
if(NOT APPLE AND COMPILER_RT_HAS_LLD AND "lld" IN_LIST LLVM_ENABLE_PROJECTS)
list(APPEND LIBFUZZER_TEST_DEPS lld)
endif()
endif()
set(FUZZER_TEST_ARCH ${FUZZER_SUPPORTED_ARCH})
if (APPLE)
darwin_filter_host_archs(FUZZER_SUPPORTED_ARCH FUZZER_TEST_ARCH)
endif()
if(COMPILER_RT_INCLUDE_TESTS)
list(APPEND LIBFUZZER_TEST_DEPS FuzzerUnitTests)
list(APPEND LIBFUZZER_TEST_DEPS FuzzedDataProviderUnitTests)
endif()
add_custom_target(check-fuzzer)
if(COMPILER_RT_INCLUDE_TESTS)
# libFuzzer unit tests.
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/unit/lit.site.cfg.py.in
${CMAKE_CURRENT_BINARY_DIR}/unit/lit.site.cfg.py)
add_lit_testsuite(check-fuzzer-unit "Running Fuzzer unit tests"
${CMAKE_CURRENT_BINARY_DIR}/unit
DEPENDS ${LIBFUZZER_TEST_DEPS})
set_target_properties(check-fuzzer-unit PROPERTIES FOLDER "Compiler-RT Tests")
add_dependencies(check-fuzzer check-fuzzer-unit)
endif()
macro(test_fuzzer stdlib)
cmake_parse_arguments(TEST "" "" "DEPS" ${ARGN})
string(REPLACE "+" "x" stdlib_name ${stdlib})
string(REPLACE "-" ";" stdlib_list ${stdlib_name})
set(STDLIB_CAPITALIZED "")
foreach(part IN LISTS stdlib_list)
string(SUBSTRING ${part} 0 1 first_letter)
string(TOUPPER ${first_letter} first_letter)
string(REGEX REPLACE "^.(.*)" "${first_letter}\\1" part "${part}")
set(STDLIB_CAPITALIZED "${STDLIB_CAPITALIZED}${part}")
endforeach()
foreach(arch ${FUZZER_TEST_ARCH})
set(LIBFUZZER_TEST_COMPILER ${COMPILER_RT_TEST_COMPILER})
get_test_cc_for_arch(${arch} LIBFUZZER_TEST_COMPILER LIBFUZZER_TEST_FLAGS)
set(LIBFUZZER_TEST_TARGET_ARCH ${arch})
set(LIBFUZZER_TEST_APPLE_PLATFORM "osx")
set(LIBFUZZER_TEST_MIN_DEPLOYMENT_TARGET_FLAG "${DARWIN_osx_MIN_VER_FLAG}")
set(LIBFUZZER_TEST_STDLIB ${stdlib})
string(TOUPPER ${arch} ARCH_UPPER_CASE)
set(CONFIG_NAME ${ARCH_UPPER_CASE}${STDLIB_CAPITALIZED}${OS_NAME}Config)
# LIT-based libFuzzer tests.
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg.py
)
add_lit_testsuite(check-fuzzer-${stdlib_name}-${arch}
"Running libFuzzer ${stdlib} tests for arch ${arch}"
${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/
DEPENDS ${LIBFUZZER_TEST_DEPS})
if(TEST_DEPS)
add_dependencies(check-fuzzer-${stdlib_name}-${arch} ${TEST_DEPS})
endif()
set_target_properties(check-fuzzer-${stdlib_name}-${arch}
PROPERTIES FOLDER "Compiler-RT Tests")
add_dependencies(check-fuzzer check-fuzzer-${stdlib_name}-${arch})
endforeach()
endmacro()
test_fuzzer("default")
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
if(TARGET cxx_shared)
test_fuzzer("libc++" DEPS cxx_shared)
endif()
if(TARGET cxx_static)
test_fuzzer("static-libc++" DEPS cxx_static)
endif()
endif()
if (APPLE)
set(LIBFUZZER_TEST_COMPILER ${COMPILER_RT_TEST_COMPILER})
set(FUZZER_APPLE_PLATFORMS ${FUZZER_SUPPORTED_OS})
foreach(platform ${FUZZER_APPLE_PLATFORMS})
if ("${platform}" STREQUAL "osx")
# Skip macOS because it's handled by the code above that builds tests for the host machine.
continue()
endif()
list_intersect(
FUZZER_TEST_${platform}_ARCHS
FUZZER_SUPPORTED_ARCH
DARWIN_${platform}_ARCHS
)
foreach(arch ${FUZZER_TEST_${platform}_ARCHS})
get_test_cflags_for_apple_platform(
"${platform}"
"${arch}"
LIBFUZZER_TEST_FLAGS
)
string(TOUPPER "${arch}" ARCH_UPPER_CASE)
get_capitalized_apple_platform("${platform}" PLATFORM_CAPITALIZED)
set(CONFIG_NAME "${PLATFORM_CAPITALIZED}${ARCH_UPPER_CASE}Config")
set(LIBFUZZER_TEST_CONFIG_SUFFIX "-${arch}-${platform}")
set(LIBFUZZER_TEST_APPLE_PLATFORM "${platform}")
set(LIBFUZZER_TEST_TARGET_ARCH "${arch}")
set(LIBFUZZER_TEST_MIN_DEPLOYMENT_TARGET_FLAG "${DARWIN_${platform}_MIN_VER_FLAG}")
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg.py
)
add_lit_testsuite(check-fuzzer-${platform}-${arch} "libFuzzer ${platform} ${arch} tests"
EXCLUDE_FROM_CHECK_ALL
${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/
DEPENDS ${LIBFUZZER_TEST_DEPS})
endforeach()
endforeach()
endif()
|
