mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-25 13:00:04 +00:00
d35a78db57
Fixes #4960 * Switches to using enum classes with an underlying type to avoid undefined behaviour
81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
// Copyright (c) 2019 Google LLC
|
|
//
|
|
// 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.
|
|
|
|
#include "source/fuzz/instruction_message.h"
|
|
|
|
#include "source/fuzz/fuzzer_util.h"
|
|
|
|
namespace spvtools {
|
|
namespace fuzz {
|
|
|
|
protobufs::Instruction MakeInstructionMessage(
|
|
spv::Op opcode, uint32_t result_type_id, uint32_t result_id,
|
|
const opt::Instruction::OperandList& input_operands) {
|
|
protobufs::Instruction result;
|
|
result.set_opcode(uint32_t(opcode));
|
|
result.set_result_type_id(result_type_id);
|
|
result.set_result_id(result_id);
|
|
for (auto& operand : input_operands) {
|
|
auto operand_message = result.add_input_operand();
|
|
operand_message->set_operand_type(static_cast<uint32_t>(operand.type));
|
|
for (auto operand_word : operand.words) {
|
|
operand_message->add_operand_data(operand_word);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
protobufs::Instruction MakeInstructionMessage(
|
|
const opt::Instruction* instruction) {
|
|
opt::Instruction::OperandList input_operands;
|
|
for (uint32_t input_operand_index = 0;
|
|
input_operand_index < instruction->NumInOperands();
|
|
input_operand_index++) {
|
|
input_operands.push_back(instruction->GetInOperand(input_operand_index));
|
|
}
|
|
return MakeInstructionMessage(instruction->opcode(), instruction->type_id(),
|
|
instruction->result_id(), input_operands);
|
|
}
|
|
|
|
std::unique_ptr<opt::Instruction> InstructionFromMessage(
|
|
opt::IRContext* ir_context,
|
|
const protobufs::Instruction& instruction_message) {
|
|
// First, update the module's id bound with respect to the new instruction,
|
|
// if it has a result id.
|
|
if (instruction_message.result_id()) {
|
|
fuzzerutil::UpdateModuleIdBound(ir_context,
|
|
instruction_message.result_id());
|
|
}
|
|
// Now create a sequence of input operands from the input operand data in the
|
|
// protobuf message.
|
|
opt::Instruction::OperandList in_operands;
|
|
for (auto& operand_message : instruction_message.input_operand()) {
|
|
opt::Operand::OperandData operand_data;
|
|
for (auto& word : operand_message.operand_data()) {
|
|
operand_data.push_back(word);
|
|
}
|
|
in_operands.push_back(
|
|
{static_cast<spv_operand_type_t>(operand_message.operand_type()),
|
|
operand_data});
|
|
}
|
|
// Create and return the instruction.
|
|
return MakeUnique<opt::Instruction>(
|
|
ir_context, static_cast<spv::Op>(instruction_message.opcode()),
|
|
instruction_message.result_type_id(), instruction_message.result_id(),
|
|
in_operands);
|
|
}
|
|
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|