mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-27 05:40:06 +00:00
72 lines
2.2 KiB
C++
72 lines
2.2 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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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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if (size < sizeof(spv_target_env) + 1) return 0;
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const spv_context context =
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spvContextCreate(*reinterpret_cast<const spv_target_env*>(data));
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if (context == nullptr) return 0;
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data += sizeof(spv_target_env);
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size -= sizeof(spv_target_env);
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std::vector<uint32_t> input;
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input.resize(size >> 2);
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size_t count = 0;
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for (size_t i = 0; (i + 3) < size; i += 4) {
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input[count++] = data[i] | (data[i + 1] << 8) | (data[i + 2] << 16) |
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(data[i + 3]) << 24;
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}
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std::vector<char> input_str;
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size_t char_count = input.size() * sizeof(uint32_t) / sizeof(char);
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input_str.resize(char_count);
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memcpy(input_str.data(), input.data(), input.size() * sizeof(uint32_t));
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spv_text text = nullptr;
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spv_diagnostic diagnostic = nullptr;
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for (uint32_t options = SPV_BINARY_TO_TEXT_OPTION_NONE;
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options <
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(SPV_BINARY_TO_TEXT_OPTION_PRINT | SPV_BINARY_TO_TEXT_OPTION_COLOR |
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SPV_BINARY_TO_TEXT_OPTION_INDENT |
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SPV_BINARY_TO_TEXT_OPTION_SHOW_BYTE_OFFSET |
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SPV_BINARY_TO_TEXT_OPTION_NO_HEADER |
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SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES);
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options++) {
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spvBinaryToText(context, input.data(), input.size(), options, &text,
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&diagnostic);
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if (diagnostic) {
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spvDiagnosticDestroy(diagnostic);
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diagnostic = nullptr;
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}
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if (text) {
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spvTextDestroy(text);
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text = nullptr;
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}
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}
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spvContextDestroy(context);
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return 0;
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}
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