mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-10-18 19:20:05 +00:00
6ccb52b864
Fixes #2621. Instead of aborting when an invalid input fact is provided, the tool now warns about the invalid fact and then ignores it. This is convenient for example if facts are specified about uniforms with descriptor sets and bindings that happen to not be present in the input binary.
106 lines
4.0 KiB
C++
106 lines
4.0 KiB
C++
// 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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#include "source/fuzz/replayer.h"
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#include <utility>
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#include "source/fuzz/fact_manager.h"
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#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
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#include "source/fuzz/transformation.h"
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#include "source/fuzz/transformation_add_constant_boolean.h"
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#include "source/fuzz/transformation_add_constant_scalar.h"
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#include "source/fuzz/transformation_add_dead_break.h"
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#include "source/fuzz/transformation_add_type_boolean.h"
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#include "source/fuzz/transformation_add_type_float.h"
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#include "source/fuzz/transformation_add_type_int.h"
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#include "source/fuzz/transformation_add_type_pointer.h"
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#include "source/fuzz/transformation_move_block_down.h"
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#include "source/fuzz/transformation_replace_boolean_constant_with_constant_binary.h"
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#include "source/fuzz/transformation_replace_constant_with_uniform.h"
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#include "source/fuzz/transformation_split_block.h"
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#include "source/opt/build_module.h"
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#include "source/util/make_unique.h"
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namespace spvtools {
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namespace fuzz {
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struct Replayer::Impl {
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explicit Impl(spv_target_env env) : target_env(env) {}
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const spv_target_env target_env; // Target environment.
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MessageConsumer consumer; // Message consumer.
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};
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Replayer::Replayer(spv_target_env env) : impl_(MakeUnique<Impl>(env)) {}
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Replayer::~Replayer() = default;
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void Replayer::SetMessageConsumer(MessageConsumer c) {
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impl_->consumer = std::move(c);
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}
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Replayer::ReplayerResultStatus Replayer::Run(
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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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std::vector<uint32_t>* binary_out,
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protobufs::TransformationSequence* transformation_sequence_out) const {
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// Check compatibility between the library version being linked with and the
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// header files being used.
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GOOGLE_PROTOBUF_VERIFY_VERSION;
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spvtools::SpirvTools tools(impl_->target_env);
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if (!tools.IsValid()) {
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impl_->consumer(SPV_MSG_ERROR, nullptr, {},
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"Failed to create SPIRV-Tools interface; stopping.");
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return Replayer::ReplayerResultStatus::kFailedToCreateSpirvToolsInterface;
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}
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// Initial binary should be valid.
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if (!tools.Validate(&binary_in[0], binary_in.size())) {
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impl_->consumer(SPV_MSG_INFO, nullptr, {},
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"Initial binary is invalid; stopping.");
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return Replayer::ReplayerResultStatus::kInitialBinaryInvalid;
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}
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// Build the module from the input binary.
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std::unique_ptr<opt::IRContext> ir_context = BuildModule(
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impl_->target_env, impl_->consumer, binary_in.data(), binary_in.size());
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assert(ir_context);
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FactManager fact_manager;
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fact_manager.AddFacts(impl_->consumer, initial_facts, ir_context.get());
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// Consider the transformation proto messages in turn.
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for (auto& message : transformation_sequence_in.transformation()) {
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auto transformation = Transformation::FromMessage(message);
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// Check whether the transformation can be applied.
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if (transformation->IsApplicable(ir_context.get(), fact_manager)) {
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// The transformation is applicable, so apply it, and copy it to the
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// sequence of transformations that were applied.
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transformation->Apply(ir_context.get(), &fact_manager);
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*transformation_sequence_out->add_transformation() = message;
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}
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}
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// Write out the module as a binary.
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ir_context->module()->ToBinary(binary_out, false);
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return Replayer::ReplayerResultStatus::kComplete;
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}
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} // namespace fuzz
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} // namespace spvtools
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