#include <cstddef>
#include <utility>
+#include <xbt/base.h>
+
#include "PageStore.hpp"
#include "AddressSpace.hpp"
return pagenos_[i];
}
+ const std::size_t* pagenos() const { return pagenos_.data(); }
+ std::size_t* pagenos() { return pagenos_.data(); }
+
const void* page(std::size_t i) const
{
return store_->get_page(pagenos_[i]);
}
PerPageCopy(PageStore& store, AddressSpace& as,
- remote_ptr<void> addr, std::size_t page_count);
+ remote_ptr<void> addr, std::size_t page_count,
+ const size_t* ref_page_numbers, const std::uint64_t* pagemap);
};
enum class RegionType {
Privatized = 3
};
+class data_deleter {
+public:
+ enum Type {
+ Free,
+ Munmap
+ };
+private:
+ Type type_;
+ std::size_t size_;
+public:
+ data_deleter() : type_(Free) {}
+ data_deleter(Type type, std::size_t size) : type_(type), size_(size) {}
+ void operator()(void* p) const;
+};
+
/** @brief Copy/snapshot of a given memory region
*
* Different types of region snapshot storage types exist:
* each type.
*/
class RegionSnapshot {
+public:
static const RegionType UnknownRegion = RegionType::Unknown;
static const RegionType HeapRegion = RegionType::Heap;
static const RegionType DataRegion = RegionType::Data;
static const StorageType FlatData = StorageType::Flat;
static const StorageType ChunkedData = StorageType::Chunked;
static const StorageType PrivatizedData = StorageType::Privatized;
+public:
+ typedef std::unique_ptr<char[], data_deleter> flat_data_ptr;
private:
RegionType region_type_;
StorageType storage_type_;
* */
void *permanent_addr_;
- std::vector<char> flat_data_;
+ flat_data_ptr flat_data_;
PerPageCopy page_numbers_;
std::vector<RegionSnapshot> privatized_regions_;
public:
storage_type_ = NoData;
privatized_regions_.clear();
page_numbers_.clear();
- flat_data_.clear();
+ flat_data_.reset();
object_info_ = nullptr;
start_addr_ = nullptr;
size_ = 0;
void clear_data()
{
storage_type_ = NoData;
- flat_data_.clear();
+ flat_data_.reset();
page_numbers_.clear();
privatized_regions_.clear();
}
- void flat_data(std::vector<char> data)
+ void flat_data(flat_data_ptr data)
{
storage_type_ = FlatData;
flat_data_ = std::move(data);
page_numbers_.clear();
privatized_regions_.clear();
}
- std::vector<char> const& flat_data() const { return flat_data_; }
+ const char* flat_data() const { return flat_data_.get(); }
void page_data(PerPageCopy page_data)
{
storage_type_ = ChunkedData;
- flat_data_.clear();
+ flat_data_.reset();
page_numbers_ = std::move(page_data);
privatized_regions_.clear();
}
void privatized_data(std::vector<RegionSnapshot> data)
{
storage_type_ = PrivatizedData;
- flat_data_.clear();
+ flat_data_.reset();
page_numbers_.clear();
privatized_regions_ = std::move(data);
}
RegionSnapshot dense_region(
RegionType type, void *start_addr, void* data_addr, size_t size);
simgrid::mc::RegionSnapshot sparse_region(
- RegionType type, void *start_addr, void* data_addr, size_t size);
+ RegionType type, void *start_addr, void* data_addr, size_t size,
+ RegionSnapshot const* ref_region);
simgrid::mc::RegionSnapshot region(
- RegionType type, void *start_addr, void* data_addr, size_t size);
-
+ RegionType type, void *start_addr, void* data_addr, size_t size,
+ RegionSnapshot const* ref_region);
+
}
}