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53 lines
1.8 KiB
53 lines
1.8 KiB
// Copyright 2022 The Centipede Authors.
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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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// https://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 "./centipede/pc_info.h"
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#include <cstddef>
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#include <istream>
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#include <iterator>
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#include <ostream>
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#include <string>
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#include "absl/log/check.h"
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#include "absl/types/span.h"
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#include "./common/defs.h"
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namespace fuzztest::internal {
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bool PCInfo::operator==(const PCInfo &rhs) const {
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return this->pc == rhs.pc && this->flags == rhs.flags;
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}
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PCTable ReadPcTable(std::istream &in) {
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std::string input_string(std::istreambuf_iterator<char>(in), {});
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ByteArray pc_infos_as_bytes(input_string.begin(), input_string.end());
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CHECK_EQ(pc_infos_as_bytes.size() % sizeof(PCInfo), 0);
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size_t pc_table_size = pc_infos_as_bytes.size() / sizeof(PCInfo);
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const auto *pc_infos = reinterpret_cast<PCInfo *>(pc_infos_as_bytes.data());
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PCTable pc_table{pc_infos, pc_infos + pc_table_size};
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CHECK_EQ(pc_table.size(), pc_table_size);
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return pc_table;
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}
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void WritePcTable(const PCTable &pc_table, std::ostream &out) {
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auto pc_infos_as_bytes =
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absl::Span<const char>(reinterpret_cast<const char *>(pc_table.data()),
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sizeof(PCInfo) * pc_table.size());
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out.write(pc_infos_as_bytes.data(), pc_infos_as_bytes.size());
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}
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} // namespace fuzztest::internal
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