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https://github.com/KhronosGroup/SPIRV-Tools
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e452792594
Makes the logic in the as fuzzer target closer to the logic of the spirv-as tool. Fixes #4643
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
// Copyright (c) 2019 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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#include <cstdint>
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#include <cstring> // memcpy
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#include <vector>
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#include "source/spirv_target_env.h"
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#include "spirv-tools/libspirv.hpp"
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#include "test/fuzzers/random_generator.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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spv_target_env target_env = SPV_ENV_UNIVERSAL_1_0;
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if (size > 0) {
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spvtools::fuzzers::RandomGenerator random_gen(data, size);
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target_env = random_gen.GetTargetEnv();
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}
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const spv_context context = spvContextCreate(target_env);
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if (context == nullptr) {
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return 0;
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}
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std::vector<char> contents;
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contents.resize(size);
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memcpy(contents.data(), data, size);
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spv_binary binary = nullptr;
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spv_diagnostic diagnostic = nullptr;
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spvTextToBinaryWithOptions(context, contents.data(), contents.size(),
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SPV_TEXT_TO_BINARY_OPTION_NONE, &binary,
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&diagnostic);
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if (diagnostic) {
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spvDiagnosticPrint(diagnostic);
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spvDiagnosticDestroy(diagnostic);
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diagnostic = nullptr;
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}
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if (binary) {
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spvBinaryDestroy(binary);
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binary = nullptr;
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}
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spvTextToBinaryWithOptions(context, contents.data(), contents.size(),
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS,
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&binary, &diagnostic);
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if (diagnostic) {
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spvDiagnosticPrint(diagnostic);
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spvDiagnosticDestroy(diagnostic);
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diagnostic = nullptr;
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}
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if (binary) {
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spvBinaryDestroy(binary);
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binary = nullptr;
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}
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spvContextDestroy(context);
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return 0;
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}
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