148 lines
3.7 KiB
C++
148 lines
3.7 KiB
C++
// Copyright 2021 The Tint Authors.
|
|
//
|
|
// 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.
|
|
|
|
#ifndef FUZZERS_TINT_COMMON_FUZZER_H_
|
|
#define FUZZERS_TINT_COMMON_FUZZER_H_
|
|
|
|
#include <cstring>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "include/tint/tint.h"
|
|
|
|
namespace tint {
|
|
namespace fuzzers {
|
|
|
|
class Reader {
|
|
public:
|
|
Reader(const uint8_t* data, size_t size);
|
|
|
|
bool failed() const { return failed_; }
|
|
const uint8_t* data() { return data_; }
|
|
size_t size() const { return size_; }
|
|
|
|
template <typename T>
|
|
T read() {
|
|
T out{};
|
|
read(&out, sizeof(T));
|
|
return out;
|
|
}
|
|
|
|
std::string string();
|
|
|
|
template <typename T>
|
|
std::vector<T> vector() {
|
|
auto count = read<uint8_t>();
|
|
auto size = static_cast<size_t>(count) * sizeof(T);
|
|
if (failed_ || size_ < size) {
|
|
mark_failed();
|
|
return {};
|
|
}
|
|
std::vector<T> out(count);
|
|
if (!out.empty()) {
|
|
memcpy(out.data(), data_, size);
|
|
data_ += size;
|
|
size_ -= size;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
template <typename T>
|
|
std::vector<T> vector(T (*extract)(Reader*)) {
|
|
auto count = read<uint8_t>();
|
|
if (failed_) {
|
|
return {};
|
|
}
|
|
std::vector<T> out(count);
|
|
for (uint8_t i = 0; i < count; i++) {
|
|
out[i] = extract(this);
|
|
if (failed_) {
|
|
return {};
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
template <typename T>
|
|
T enum_class(uint8_t count) {
|
|
auto val = read<uint8_t>();
|
|
return static_cast<T>(val % count);
|
|
}
|
|
|
|
private:
|
|
void mark_failed();
|
|
void read(void* out, size_t n);
|
|
|
|
const uint8_t* data_;
|
|
size_t size_;
|
|
bool failed_ = false;
|
|
};
|
|
|
|
void ExtractBindingRemapperInputs(Reader* r, tint::transform::DataMap* inputs);
|
|
void ExtractFirstIndexOffsetInputs(Reader* r, tint::transform::DataMap* inputs);
|
|
|
|
void ExtractSingleEntryPointInputs(Reader* r, tint::transform::DataMap* inputs);
|
|
|
|
void ExtractVertexPullingInputs(Reader* r, tint::transform::DataMap* inputs);
|
|
|
|
enum class InputFormat { kWGSL, kSpv, kNone };
|
|
|
|
enum class OutputFormat { kWGSL, kSpv, kHLSL, kMSL, kNone };
|
|
|
|
class CommonFuzzer {
|
|
public:
|
|
explicit CommonFuzzer(InputFormat input, OutputFormat output);
|
|
~CommonFuzzer();
|
|
|
|
void SetTransformManager(transform::Manager* tm, transform::DataMap inputs) {
|
|
transform_manager_ = tm;
|
|
transform_inputs_ = std::move(inputs);
|
|
}
|
|
void EnableInspector() { inspector_enabled_ = true; }
|
|
|
|
int Run(const uint8_t* data, size_t size);
|
|
|
|
const std::vector<uint32_t>& GetGeneratedSpirv() const {
|
|
return generated_spirv_;
|
|
}
|
|
|
|
const std::string& GetGeneratedWgsl() const { return generated_wgsl_; }
|
|
|
|
const std::string& GetGeneratedHlsl() const { return generated_hlsl_; }
|
|
|
|
const std::string& GetGeneratedMsl() const { return generated_msl_; }
|
|
|
|
const tint::diag::List& Diagnostics() const { return diagnostics_; }
|
|
|
|
bool HasErrors() const { return diagnostics_.contains_errors(); }
|
|
|
|
private:
|
|
InputFormat input_;
|
|
OutputFormat output_;
|
|
transform::Manager* transform_manager_;
|
|
transform::DataMap transform_inputs_;
|
|
bool inspector_enabled_;
|
|
tint::diag::List diagnostics_;
|
|
|
|
std::vector<uint32_t> generated_spirv_;
|
|
std::string generated_wgsl_;
|
|
std::string generated_hlsl_;
|
|
std::string generated_msl_;
|
|
};
|
|
|
|
} // namespace fuzzers
|
|
} // namespace tint
|
|
|
|
#endif // FUZZERS_TINT_COMMON_FUZZER_H_
|