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106 lines
3.6 KiB
106 lines
3.6 KiB
// Copyright (c) 2019 Google LLC
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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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#ifndef SOURCE_FUZZ_REPLAYER_H_
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#define SOURCE_FUZZ_REPLAYER_H_
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#include <memory>
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#include <vector>
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#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
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#include "source/fuzz/transformation_context.h"
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#include "source/opt/ir_context.h"
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#include "spirv-tools/libspirv.hpp"
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namespace spvtools {
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namespace fuzz {
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// Transforms a SPIR-V module into a semantically equivalent SPIR-V module by
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// applying a series of pre-defined transformations.
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class Replayer {
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public:
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// Possible statuses that can result from running the replayer.
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enum class ReplayerResultStatus {
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kComplete,
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kFailedToCreateSpirvToolsInterface,
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kInitialBinaryInvalid,
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kReplayValidationFailure,
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kTooManyTransformationsRequested,
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};
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struct ReplayerResult {
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ReplayerResultStatus status;
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std::unique_ptr<opt::IRContext> transformed_module;
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std::unique_ptr<TransformationContext> transformation_context;
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protobufs::TransformationSequence applied_transformations;
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};
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Replayer(spv_target_env target_env, MessageConsumer consumer,
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const std::vector<uint32_t>& binary_in,
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const protobufs::FactSequence& initial_facts,
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const protobufs::TransformationSequence& transformation_sequence_in,
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uint32_t num_transformations_to_apply, bool validate_during_replay,
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spv_validator_options validator_options);
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// Disables copy/move constructor/assignment operations.
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Replayer(const Replayer&) = delete;
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Replayer(Replayer&&) = delete;
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Replayer& operator=(const Replayer&) = delete;
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Replayer& operator=(Replayer&&) = delete;
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~Replayer();
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// Attempts to apply the first |num_transformations_to_apply_| transformations
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// from |transformation_sequence_in_| to |binary_in_|. Initial facts about
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// the input binary and the context in which it will execute are provided via
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// |initial_facts_|.
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//
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// On success, returns a successful result status together with the
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// transformations that were applied, the IR for the transformed module, and
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// the transformation context that arises from applying these transformations.
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// Otherwise, returns an appropriate result status, an empty transformation
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// sequence, and null pointers for the IR context and transformation context.
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ReplayerResult Run();
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private:
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// Target environment.
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const spv_target_env target_env_;
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// Message consumer.
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MessageConsumer consumer_;
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// The binary to which transformations are to be applied.
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const std::vector<uint32_t>& binary_in_;
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// Initial facts known to hold in advance of applying any transformations.
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const protobufs::FactSequence& initial_facts_;
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// The transformations to be replayed.
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const protobufs::TransformationSequence& transformation_sequence_in_;
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// The number of transformations that should be replayed.
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const uint32_t num_transformations_to_apply_;
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// Controls whether the validator should be run after every replay step.
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const bool validate_during_replay_;
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// Options to control validation
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spv_validator_options validator_options_;
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_REPLAYER_H_
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