70 lines
2.5 KiB
Bash
Executable File
70 lines
2.5 KiB
Bash
Executable File
#!/bin/bash -eu
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# Copyright 2018 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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# Build libaom
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build_dir=$WORK/build
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mkdir -p ${build_dir}
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pushd ${build_dir}
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# Remove files generated by the previous build.
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rm -rf ./*
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# oss-fuzz has 2 GB total memory allocation limit. So, we limit per-allocation
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# limit in libaom to 1 GB to avoid OOM errors. A smaller per-allocation is
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# needed for MemorySanitizer (see bug oss-fuzz:9497 and bug oss-fuzz:9499).
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if [[ $CFLAGS = *sanitize=memory* ]]; then
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extra_c_flags='-DAOM_MAX_ALLOCABLE_MEMORY=536870912'
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else
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extra_c_flags='-DAOM_MAX_ALLOCABLE_MEMORY=1073741824'
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fi
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# Also, enable DO_RANGE_CHECK_CLAMP to suppress the noise of integer overflows
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# in the transform functions.
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extra_c_flags+=' -DDO_RANGE_CHECK_CLAMP=1'
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extra_cmake_flags=
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# MemorySanitizer requires that all program code is instrumented. Therefore we
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# need to replace all inline assembly code that writes to memory with pure C
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# code. Disable all assembly code for MemorySanitizer.
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if [[ $CFLAGS = *sanitize=memory* ]]; then
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extra_cmake_flags+="-DAOM_TARGET_CPU=generic"
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fi
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cmake $SRC/aom -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS_RELEASE='-O3 -g' \
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-DCMAKE_CXX_FLAGS_RELEASE='-O3 -g' -DCONFIG_PIC=1 -DCONFIG_LOWBITDEPTH=1 \
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-DCONFIG_AV1_ENCODER=0 -DENABLE_EXAMPLES=0 -DENABLE_DOCS=0 -DENABLE_TESTS=0 \
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-DCONFIG_SIZE_LIMIT=1 -DDECODE_HEIGHT_LIMIT=12288 -DDECODE_WIDTH_LIMIT=12288 \
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-DAOM_EXTRA_C_FLAGS="${extra_c_flags}" \
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-DAOM_EXTRA_CXX_FLAGS="${extra_c_flags}" ${extra_cmake_flags}
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make -j$(nproc)
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popd
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# build fuzzers
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fuzzer_src_name=av1_dec_fuzzer
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fuzzer_name=${fuzzer_src_name}
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$CXX $CXXFLAGS -std=c++11 \
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-I$SRC/aom \
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-I${build_dir} \
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-Wl,--start-group \
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$LIB_FUZZING_ENGINE \
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$SRC/aom/examples/${fuzzer_src_name}.cc -o $OUT/${fuzzer_name} \
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${build_dir}/libaom.a -Wl,--end-group
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# copy seed corpus.
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cp $SRC/dec_fuzzer_seed_corpus.zip $OUT/${fuzzer_name}_seed_corpus.zip
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cp $SRC/aom/examples/av1_dec_fuzzer.dict $OUT/${fuzzer_name}.dict
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