mirror of https://github.com/google/oss-fuzz.git
49 lines
1.6 KiB
Bash
Executable File
49 lines
1.6 KiB
Bash
Executable File
#!/bin/bash -eu
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# Copyright 2016 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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echo -n "Compiling afl to $LIB_FUZZING_ENGINE ..."
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# afl needs its special coverage flags
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export COVERAGE_FLAGS="-fsanitize-coverage=trace-pc-guard"
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mkdir -p $WORK/afl
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pushd $WORK/afl > /dev/null
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# Add -Wno-pointer-sign to silence warning (AFL is compiled this way).
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$CC $CFLAGS -Wno-pointer-sign -c $SRC/afl/llvm_mode/afl-llvm-rt.o.c
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$CXX $CXXFLAGS -std=c++11 -O2 -c $SRC/libfuzzer/afl/*.cpp -I$SRC/libfuzzer
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ar r $LIB_FUZZING_ENGINE $WORK/afl/*.o
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popd > /dev/null
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rm -rf $WORK/afl
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# Build and copy afl tools necessary for fuzzing.
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pushd $SRC/afl > /dev/null
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# Unset CFLAGS and CXXFLAGS while building AFL since we don't want to slow it
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# down with sanitizers.
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INITIAL_CXXFLAGS=$CXXFLAGS
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INITIAL_CFLAGS=$CFLAGS
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unset CXXFLAGS
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unset CFLAGS
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make clean && AFL_NO_X86=1 make
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CFLAGS=$INITIAL_CFLAGS
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CXXFLAGS=$INITIAL_CXXFLAGS
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find . -name 'afl-*' -executable -type f | xargs cp -t $OUT
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popd > /dev/null
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echo " done."
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