blob: 85fb62e3345a45bbc3d0fe91e92eb7c816190392 (
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
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
|
# Build all these tests with -O0, otherwise optimizations may merge some
# basic blocks and we'll fail to discover the targets.
# We change the flags for every build type because we might be doing
# a multi-configuration build (e.g. Xcode) where CMAKE_BUILD_TYPE doesn't
# mean anything.
set(variables_to_filter
CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS_MINSIZEREL
LIBFUZZER_FLAGS_BASE
)
foreach (VARNAME ${variables_to_filter})
string(REPLACE " " ";" BUILD_FLAGS_AS_LIST "${${VARNAME}}")
set(new_flags "")
foreach (flag ${BUILD_FLAGS_AS_LIST})
# NOTE: Use of XX here is to avoid a CMake warning due to CMP0054
if (NOT ("XX${flag}" MATCHES "XX-O[0123s]"))
set(new_flags "${new_flags} ${flag}")
else()
set(new_flags "${new_flags} -O0")
endif()
endforeach()
set(${VARNAME} "${new_flags}")
endforeach()
# Enable the coverage instrumentation (it is disabled for the Fuzzer lib).
set(CMAKE_CXX_FLAGS "${LIBFUZZER_FLAGS_BASE} -fsanitize-coverage=edge,indirect-calls")
# add_libfuzzer_test(<name>
# SOURCES source0.cpp [source1.cpp ...]
# )
#
# Declares a LibFuzzer test executable with target name LLVMFuzzer-<name>.
#
# One or more source files to be compiled into the binary must be declared
# after the SOURCES keyword.
function(add_libfuzzer_test name)
set(multi_arg_options "SOURCES")
cmake_parse_arguments(
"add_libfuzzer_test" "" "" "${multi_arg_options}" ${ARGN})
if ("${add_libfuzzer_test_SOURCES}" STREQUAL "")
message(FATAL_ERROR "Source files must be specified")
endif()
add_executable(LLVMFuzzer-${name}
${add_libfuzzer_test_SOURCES}
)
target_link_libraries(LLVMFuzzer-${name} LLVMFuzzer)
# Place binary where llvm-lit expects to find it
set_target_properties(LLVMFuzzer-${name}
PROPERTIES RUNTIME_OUTPUT_DIRECTORY
"${CMAKE_BINARY_DIR}/lib/Fuzzer/test"
)
set(TestBinaries ${TestBinaries} LLVMFuzzer-${name} PARENT_SCOPE)
endfunction()
# Variable to keep track of all test targets
set(TestBinaries)
###############################################################################
# Basic tests
###############################################################################
set(Tests
AccumulateAllocationsTest
BufferOverflowOnInput
CallerCalleeTest
CounterTest
CustomCrossOverTest
CustomMutatorTest
EmptyTest
FourIndependentBranchesTest
FullCoverageSetTest
InitializeTest
MemcmpTest
LeakTest
LeakTimeoutTest
NullDerefTest
NullDerefOnEmptyTest
NthRunCrashTest
OutOfMemoryTest
RepeatedMemcmp
SimpleCmpTest
SimpleDictionaryTest
SimpleFnAdapterTest
SimpleHashTest
SimpleTest
SimpleThreadedTest
SpamyTest
StrcmpTest
StrncmpTest
SwitchTest
ThreadedTest
TimeoutTest
)
if(APPLE)
# LeakSanitizer is not supported on OSX right now
set(HAS_LSAN 0)
message(WARNING "LeakSanitizer is not supported on Apple platforms."
" Building and running LibFuzzer LeakSanitizer tests is disabled."
)
else()
set(HAS_LSAN 1)
endif()
foreach(Test ${Tests})
add_libfuzzer_test(${Test} SOURCES ${Test}.cpp)
endforeach()
###############################################################################
# Unit tests
###############################################################################
add_executable(LLVMFuzzer-Unittest
FuzzerUnittest.cpp
FuzzerFnAdapterUnittest.cpp
)
target_link_libraries(LLVMFuzzer-Unittest
gtest
gtest_main
LLVMFuzzerNoMain
)
target_include_directories(LLVMFuzzer-Unittest PRIVATE
"${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include"
)
set(TestBinaries ${TestBinaries} LLVMFuzzer-Unittest)
set_target_properties(LLVMFuzzer-Unittest
PROPERTIES RUNTIME_OUTPUT_DIRECTORY
"${CMAKE_CURRENT_BINARY_DIR}"
)
###############################################################################
# Additional tests
###############################################################################
include_directories(..)
if(APPLE)
message(WARNING "DataflowSanitizer is not supported on Apple platforms."
" Building and running LibFuzzer DataflowSanitizer tests is disabled."
)
set(HAS_DFSAN 0)
else()
set(HAS_DFSAN 1)
add_subdirectory(dfsan)
endif()
add_subdirectory(uninstrumented)
add_subdirectory(ubsan)
add_subdirectory(trace-bb)
add_subdirectory(trace-pc)
###############################################################################
# Configure lit to run the tests
#
# Note this is done after declaring all tests so we can inform lit if any tests
# need to be disabled.
###############################################################################
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
)
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/unit/lit.site.cfg.in
${CMAKE_CURRENT_BINARY_DIR}/unit/lit.site.cfg
)
add_lit_testsuite(check-fuzzer "Running Fuzzer tests"
${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${TestBinaries} FileCheck not
)
|
