chromium/third_party/perfetto/src/trace_processor/importers/common/virtual_memory_mapping.h

/*
 * Copyright (C) 2024 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_IMPORTERS_COMMON_VIRTUAL_MEMORY_MAPPING_H_
#define SRC_TRACE_PROCESSOR_IMPORTERS_COMMON_VIRTUAL_MEMORY_MAPPING_H_

#include <cstddef>
#include <cstdint>
#include <optional>
#include <string>
#include <vector>

#include "perfetto/ext/base/flat_hash_map.h"
#include "perfetto/ext/base/hash.h"
#include "perfetto/ext/base/string_view.h"
#include "src/trace_processor/importers/common/address_range.h"
#include "src/trace_processor/importers/common/create_mapping_params.h"
#include "src/trace_processor/storage/trace_storage.h"
#include "src/trace_processor/types/trace_processor_context.h"
#include "src/trace_processor/util/build_id.h"

namespace perfetto {
namespace trace_processor {

// TODO(carlscab): Reconsider whether jit is the best abstraction here. All we
// really care is about mapping a `rel_pc` to a symbol (aka symbolization) and
// whether is this is constant.
class JitCache;

// Represents a mapping in virtual memory.
class VirtualMemoryMapping { … };

class KernelMemoryMapping : public VirtualMemoryMapping { … };

class UserMemoryMapping : public VirtualMemoryMapping { … };

// Dummy mapping to be able to create frames when we have no real pc addresses
// or real mappings.
class DummyMemoryMapping : public VirtualMemoryMapping { … };

}  // namespace trace_processor
}  // namespace perfetto

#endif  // SRC_TRACE_PROCESSOR_IMPORTERS_COMMON_VIRTUAL_MEMORY_MAPPING_H_