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https://github.com/KhronosGroup/SPIRV-Tools
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51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
// Copyright (c) 2020 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_FUZZER_PASS_ADD_FUNCTION_CALLS_H_
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#define SOURCE_FUZZ_FUZZER_PASS_ADD_FUNCTION_CALLS_H_
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#include "source/fuzz/fuzzer_pass.h"
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namespace spvtools {
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namespace fuzz {
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// Fuzzer pass that adds calls at random to (a) livesafe functions, from
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// anywhere, and (b) any functions, from dead blocks.
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class FuzzerPassAddFunctionCalls : public FuzzerPass {
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public:
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FuzzerPassAddFunctionCalls(
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opt::IRContext* ir_context, TransformationContext* transformation_context,
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FuzzerContext* fuzzer_context,
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protobufs::TransformationSequence* transformations);
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~FuzzerPassAddFunctionCalls();
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void Apply() override;
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private:
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// Randomly chooses suitable arguments to invoke |callee| right before
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// instruction |caller_inst_it| of block |caller_block| in |caller_function|,
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// based on both existing available instructions and the addition of new
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// instructions to the module.
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std::vector<uint32_t> ChooseFunctionCallArguments(
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const opt::Function& callee, opt::Function* caller_function,
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opt::BasicBlock* caller_block,
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const opt::BasicBlock::iterator& caller_inst_it);
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_FUZZER_PASS_ADD_FUNCTION_CALLS_H_
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