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mongodb/site_scons/site_tools/mongo_libfuzzer.py
2022-05-25 17:40:16 +00:00

74 lines
2.7 KiB
Python

# Copyright 2020 MongoDB Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
"""Pseudo-builders for building and registering libfuzzer tests.
"""
from SCons.Script import Action
def exists(env):
return True
def libfuzzer_test_list_builder_action(env, target, source):
with open(str(target[0]), "w") as ofile:
for s in _libfuzzer_tests:
print("\t" + str(s))
ofile.write("%s\n" % s)
def build_cpp_libfuzzer_test(env, target, source, **kwargs):
myenv = env.Clone()
if not myenv.IsSanitizerEnabled("fuzzer"):
return []
libdeps = kwargs.get("LIBDEPS", myenv.get("LIBDEPS", [])).copy()
kwargs["LIBDEPS"] = libdeps
kwargs["INSTALL_ALIAS"] = ["tests"]
sanitizer_option = "-fsanitize=fuzzer"
myenv.Prepend(LINKFLAGS=[sanitizer_option])
libfuzzer_test_components = {"tests", "fuzzertests"}
if "AIB_COMPONENT" in kwargs and not kwargs["AIB_COMPONENTS"].endswith("-fuzzertest"):
kwargs["AIB_COMPONENT"] += "-fuzzertest"
if "AIB_COMPONENTS_EXTRA" in kwargs:
libfuzzer_test_components = set(
kwargs["AIB_COMPONENTS_EXTRA"]).union(libfuzzer_test_components)
kwargs["AIB_COMPONENTS_EXTRA"] = list(libfuzzer_test_components)
# Fuzzer tests are inherenently undecidable (see
# mongo_test_execution.py for details on undecidability).
kwargs['UNDECIDABLE_TEST'] = True
result = myenv.Program(target, source, **kwargs)
myenv.RegisterTest("$LIBFUZZER_TEST_LIST", result[0])
myenv.Alias("$LIBFUZZER_TEST_ALIAS", result)
return result
def generate(env):
env.TestList("$LIBFUZZER_TEST_LIST", source=[])
env.AddMethod(build_cpp_libfuzzer_test, "CppLibfuzzerTest")
env.Alias("$LIBFUZZER_TEST_ALIAS", "$LIBFUZZER_TEST_LIST")