chromium/third_party/perfetto/src/trace_processor/util/build_id.h

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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.
 */

#ifndef SRC_TRACE_PROCESSOR_UTIL_BUILD_ID_H_
#define SRC_TRACE_PROCESSOR_UTIL_BUILD_ID_H_

#include <string>
#include <utility>

#include "perfetto/ext/base/hash.h"
#include "perfetto/ext/base/string_view.h"

namespace perfetto {
namespace trace_processor {

// Represents the unique identifier of an executable, shared library, or module.
// For example for ELF files this is the id stored in the .note.gnu.build-id
// section. Sometimes a breakpad module id is used.
// This class abstracts away the details of where this id comes from and how it
// is converted to a StringId which is the representation used by tables in
// trace_processor.
class BuildId { … };

}  // namespace trace_processor
}  // namespace perfetto

template <>
struct std::hash<perfetto::trace_processor::BuildId> { … };

#endif  // SRC_TRACE_PROCESSOR_UTIL_BUILD_ID_H_