+++ /dev/null
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifndef SIMGRID_MC_REGION_SNAPSHOT_HPP
-#define SIMGRID_MC_REGION_SNAPSHOT_HPP
-
-#include "src/mc/remote/RemotePtr.hpp"
-#include "src/mc/sosp/ChunkedData.hpp"
-
-#include <memory>
-#include <vector>
-
-namespace simgrid {
-namespace mc {
-
-enum class RegionType { Unknown = 0, Heap = 1, Data = 2 };
-
-/** A copy/snapshot of a given memory region, where identical pages are stored only once */
-class RegionSnapshot {
-public:
- static const RegionType UnknownRegion = RegionType::Unknown;
- static const RegionType HeapRegion = RegionType::Heap;
- static const RegionType DataRegion = RegionType::Data;
-
-protected:
- RegionType region_type_ = UnknownRegion;
- simgrid::mc::ObjectInformation* object_info_ = nullptr;
-
- /** @brief Virtual address of the region in the simulated process */
- void* start_addr_ = nullptr;
-
- /** @brief Size of the data region in bytes */
- std::size_t size_ = 0;
-
- ChunkedData chunks_;
-
-public:
- RegionSnapshot(RegionType type, void* start_addr, size_t size);
- ~RegionSnapshot() = default;
- RegionSnapshot(RegionSnapshot const&) = delete;
- RegionSnapshot& operator=(RegionSnapshot const&) = delete;
- RegionSnapshot(RegionSnapshot&& that)
- : region_type_(that.region_type_)
- , object_info_(that.object_info_)
- , start_addr_(that.start_addr_)
- , size_(that.size_)
- , chunks_(std::move(that.chunks_))
- {
- that.clear();
- }
- RegionSnapshot& operator=(RegionSnapshot&& that)
- {
- region_type_ = that.region_type_;
- object_info_ = that.object_info_;
- start_addr_ = that.start_addr_;
- size_ = that.size_;
- chunks_ = std::move(that.chunks_);
- that.clear();
- return *this;
- }
-
- // Data
-
- void clear()
- {
- region_type_ = UnknownRegion;
- chunks_.clear();
- object_info_ = nullptr;
- start_addr_ = nullptr;
- size_ = 0;
- }
-
- ChunkedData const& get_chunks() const { return chunks_; }
-
- simgrid::mc::ObjectInformation* object_info() const { return object_info_; }
- void object_info(simgrid::mc::ObjectInformation* info) { object_info_ = info; }
-
- // Other getters
-
- RemotePtr<void> start() const { return remote(start_addr_); }
- RemotePtr<void> end() const { return remote((char*)start_addr_ + size_); }
- std::size_t size() const { return size_; }
- RegionType region_type() const { return region_type_; }
-
- bool contain(RemotePtr<void> p) const { return p >= start() && p < end(); }
-
- /** @brief Restore a region from a snapshot */
- void restore();
-};
-
-} // namespace mc
-} // namespace simgrid
-
-#endif
