1 files changed, 107 insertions, 0 deletions
diff --git a/projects/spirv-tools/build.sh b/projects/spirv-tools/build.sh
new file mode 100755
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@@ -0,0 +1,107 @@
+#!/bin/bash -eu
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+git clone https://github.com/KhronosGroup/SPIRV-Headers external/spirv-headers --depth=1
+git clone https://github.com/protocolbuffers/protobuf   external/protobuf      --branch v3.13.0.1
+git clone https://dawn.googlesource.com/tint --depth=1
+
+mkdir build
+pushd build
+
+CMAKE_ARGS="-DSPIRV_BUILD_LIBFUZZER_TARGETS=ON -DSPIRV_LIB_FUZZING_ENGINE_LINK_OPTIONS=$LIB_FUZZING_ENGINE"
+
+# With ubsan, RTTI must be enabled due to certain checks (vptr) requiring it.
+if [ $SANITIZER == "undefined" ];
+then
+  CMAKE_ARGS="${CMAKE_ARGS} -DENABLE_RTTI=ON"
+fi
+cmake -G Ninja .. ${CMAKE_ARGS}
+ninja
+
+SPIRV_BINARY_FUZZERS="spvtools_binary_parser_fuzzer\
+ spvtools_dis_fuzzer\
+ spvtools_opt_legalization_fuzzer\
+ spvtools_opt_performance_fuzzer\
+ spvtools_opt_size_fuzzer\
+ spvtools_val_fuzzer"
+
+SPIRV_ASSEMBLY_FUZZERS="spvtools_as_fuzzer"
+
+for fuzzer in $SPIRV_BINARY_FUZZERS $SPIRV_ASSEMBLY_FUZZERS
+do
+  cp test/fuzzers/$fuzzer $OUT
+done
+
+popd
+
+# An un-instrumented build of spirv-as is used to generate a corpus of SPIR-V binaries.
+mkdir standard-build
+pushd standard-build
+
+# Back-up instrumentation options
+CFLAGS_SAVE="$CFLAGS"
+CXXFLAGS_SAVE="$CXXFLAGS"
+unset CFLAGS
+unset CXXFLAGS
+export AFL_NOOPT=1
+
+cmake -G Ninja .. ${CMAKE_ARGS}
+ninja spirv-as
+
+# Restore instrumentation options
+export CFLAGS="${CFLAGS_SAVE}"
+export CXXFLAGS="${CXXFLAGS_SAVE}"
+unset AFL_NOOPT
+
+popd
+
+
+# Generate a corpus of SPIR-V binaries from the SPIR-V assembly files in the
+# SPIRV-Tools and tint repositories.
+mkdir $WORK/tint-binary-corpus
+python3 tint/fuzzers/generate_spirv_corpus.py tint/test $WORK/tint-binary-corpus standard-build/tools/spirv-as
+mkdir $WORK/spirv-binary-corpus-hashed-names
+tint_test_cases=`ls $WORK/tint-binary-corpus/*.spv`
+spirv_tools_test_cases=`find test/fuzzers/corpora -name "*.spv"`
+for f in $tint_test_cases $spirv_tools_test_cases
+do
+  hashed_name=$(sha1sum "$f" | awk '{print $1}')
+  cp $f $WORK/spirv-binary-corpus-hashed-names/$hashed_name
+done
+zip -j "$WORK/spirv_binary_seed_corpus.zip" "$WORK/spirv-binary-corpus-hashed-names"/*
+
+# Supply each of the binary fuzzers with this seed corpus.
+for fuzzer in $SPIRV_BINARY_FUZZERS
+do
+  cp "$WORK/spirv_binary_seed_corpus.zip" "$OUT/${fuzzer}_seed_corpus.zip"
+done
+
+# Generate a corpus of SPIR-V assembly files from the tint repository.
+mkdir $WORK/spirv-assembly-corpus-hashed-names
+for f in `find tint/test -name "*.spvasm"`
+do
+  hashed_name=$(sha1sum "$f" | awk '{print $1}')
+  cp $f $WORK/spirv-assembly-corpus-hashed-names/$hashed_name
+done
+
+zip -j "$WORK/spirv_assembly_seed_corpus.zip" "$WORK/spirv-assembly-corpus-hashed-names"/*
+
+# Supply each of the assembly fuzzers with this seed corpus.
+for fuzzer in $SPIRV_ASSEMBLY_FUZZERS
+do
+  cp "$WORK/spirv_assembly_seed_corpus.zip" "$OUT/${fuzzer}_seed_corpus.zip"
+done