chromium/base/debug/buffered_dwarf_reader.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40284755): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif

#include "base/debug/buffered_dwarf_reader.h"

#ifdef USE_SYMBOLIZE

#include <algorithm>
#include <cstring>

#include "base/numerics/safe_conversions.h"
#include "base/third_party/symbolize/symbolize.h"

namespace base::debug {

BufferedDwarfReader::BufferedDwarfReader(int fd, uint64_t position)
    : … { … }

size_t BufferedDwarfReader::ReadCString(uint64_t max_position,
                                        char* out,
                                        size_t out_size) { … }

bool BufferedDwarfReader::ReadLeb128(uint64_t& value) { … }

bool BufferedDwarfReader::ReadLeb128(int64_t& value) { … }

bool BufferedDwarfReader::ReadInitialLength(bool& is_64bit, uint64_t& length) { … }

bool BufferedDwarfReader::ReadOffset(bool is_64bit, uint64_t& offset) { … }

bool BufferedDwarfReader::ReadAddress(uint8_t address_size, uint64_t& address) { … }

bool BufferedDwarfReader::ReadCommonHeader(bool& is_64bit,
                                           uint64_t& length,
                                           uint16_t& version,
                                           uint64_t& offset,
                                           uint8_t& address_size,
                                           uint64_t& end_position) { … }

bool BufferedDwarfReader::BufferedRead(void* out, const size_t bytes) { … }

}  // namespace base::debug

#endif