+++ /dev/null
-/* Copyright (c) 2007-2023. 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_SOSP_REGION_HPP
-#define SIMGRID_MC_SOSP_REGION_HPP
-
-#include "src/mc/remote/RemotePtr.hpp"
-#include "src/mc/sosp/ChunkedData.hpp"
-
-#include <memory>
-#include <vector>
-
-namespace simgrid::mc {
-
-enum class RegionType { Heap = 1, Data = 2 };
-
-/** A copy/snapshot of a given memory region, where identical pages are stored only once */
-class Region {
-public:
- static const RegionType HeapRegion = RegionType::Heap;
- static const RegionType DataRegion = RegionType::Data;
-
-private:
- RegionType region_type_;
- 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:
- Region(PageStore& store, RegionType type, void* start_addr, size_t size);
- Region(Region const&) = delete;
- Region& operator=(Region const&) = delete;
- Region(Region&& that) = delete;
- Region& operator=(Region&& that) = delete;
-
- // Data
-
- 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() const;
-
- /** @brief Read memory that was snapshotted in this region
- *
- * @param target Buffer to store contiguously the value if it spans over several pages
- * @param addr Process (non-snapshot) address of the data
- * @param size Size of the data to read in bytes
- * @return Pointer where the data is located (either target buffer or original location)
- */
- void* read(void* target, const void* addr, std::size_t size) const;
-};
-
-} // namespace simgrid::mc
-
-int MC_snapshot_region_memcmp(const void* addr1, const simgrid::mc::Region* region1, const void* addr2,
- const simgrid::mc::Region* region2, std::size_t size);
-
-static XBT_ALWAYS_INLINE void* MC_region_read_pointer(const simgrid::mc::Region* region, const void* addr)
-{
- void* res;
- return *(void**)region->read(&res, addr, sizeof(void*));
-}
-
-#endif
