#define SIMGRID_MC_SNAPSHOT_HPP
#include "src/mc/ModelChecker.hpp"
-#include "src/mc/mc_unw.hpp"
+#include "src/mc/inspect/mc_unw.hpp"
#include "src/mc/remote/RemoteClient.hpp"
#include "src/mc/sosp/RegionSnapshot.hpp"
// ***** Snapshot region
-XBT_PRIVATE void mc_region_restore_sparse(simgrid::mc::RemoteClient* process, mc_mem_region_t reg);
-
-static XBT_ALWAYS_INLINE void* mc_translate_address_region_chunked(uintptr_t addr, mc_mem_region_t region)
+static XBT_ALWAYS_INLINE void* mc_translate_address_region_chunked(uintptr_t addr, simgrid::mc::RegionSnapshot* region)
{
auto split = simgrid::mc::mmu::split(addr - region->start().address());
auto pageno = split.first;
return (char*)snapshot_page + offset;
}
-static XBT_ALWAYS_INLINE void* mc_translate_address_region(uintptr_t addr, mc_mem_region_t region, int process_index)
+static XBT_ALWAYS_INLINE void* mc_translate_address_region(uintptr_t addr, simgrid::mc::RegionSnapshot* region)
{
switch (region->storage_type()) {
case simgrid::mc::StorageType::Flat: {
}
case simgrid::mc::StorageType::Chunked:
return mc_translate_address_region_chunked(addr, region);
- case simgrid::mc::StorageType::Privatized: {
- xbt_assert(process_index >= 0, "Missing process index for privatized region");
- xbt_assert((size_t)process_index < region->privatized_data().size(), "Out of range process index");
- simgrid::mc::RegionSnapshot& subregion = region->privatized_data()[process_index];
- return mc_translate_address_region(addr, &subregion, process_index);
- }
default: // includes StorageType::NoData
xbt_die("Storage type not supported");
}
}
-XBT_PRIVATE mc_mem_region_t mc_get_snapshot_region(const void* addr, const simgrid::mc::Snapshot* snapshot,
- int process_index);
-
// ***** MC Snapshot
/** Ignored data
std::string name;
simgrid::mc::Type* type;
void* address;
- int region;
};
typedef s_local_variable_t* local_variable_t;
std::vector<s_local_variable_t> local_variables;
simgrid::mc::UnwindContext context;
std::vector<s_mc_stack_frame_t> stack_frames;
- int process_index;
};
typedef s_mc_snapshot_stack_t* mc_snapshot_stack_t;
class XBT_PRIVATE Snapshot final : public AddressSpace {
public:
- Snapshot(RemoteClient* process, int num_state);
+ Snapshot(int num_state, RemoteClient* process = &mc_model_checker->process());
~Snapshot() = default;
- const void* read_bytes(void* buffer, std::size_t size, RemotePtr<void> address, int process_index = ProcessIndexAny,
+
+ /* Initialization */
+
+ /* Regular use */
+ const void* read_bytes(void* buffer, std::size_t size, RemotePtr<void> address,
ReadOptions options = ReadOptions::none()) const override;
+ RegionSnapshot* get_region(const void* addr) const;
+ RegionSnapshot* get_region(const void* addr, RegionSnapshot* hinted_region) const;
+ void restore(RemoteClient* process);
// To be private
- int num_state;
- std::size_t heap_bytes_used;
- std::vector<std::unique_ptr<s_mc_mem_region_t>> snapshot_regions;
- std::set<pid_t> enabled_processes;
- int privatization_index;
- std::vector<std::size_t> stack_sizes;
- std::vector<s_mc_snapshot_stack_t> stacks;
- std::vector<simgrid::mc::IgnoredHeapRegion> to_ignore;
- std::uint64_t hash;
- std::vector<s_mc_snapshot_ignored_data_t> ignored_data;
+ int num_state_;
+ std::size_t heap_bytes_used_;
+ std::vector<std::unique_ptr<RegionSnapshot>> snapshot_regions_;
+ std::set<pid_t> enabled_processes_;
+ std::vector<std::size_t> stack_sizes_;
+ std::vector<s_mc_snapshot_stack_t> stacks_;
+ std::vector<simgrid::mc::IgnoredHeapRegion> to_ignore_;
+ std::uint64_t hash_ = 0;
+ std::vector<s_mc_snapshot_ignored_data_t> ignored_data_;
+
+private:
+ void add_region(RegionType type, ObjectInformation* object_info, void* start_addr, void* permanent_addr,
+ std::size_t size);
+ void snapshot_regions(simgrid::mc::RemoteClient* process);
+ void snapshot_stacks(simgrid::mc::RemoteClient* process);
};
} // namespace mc
} // namespace simgrid
-static XBT_ALWAYS_INLINE mc_mem_region_t mc_get_region_hinted(void* addr, simgrid::mc::Snapshot* snapshot,
- int process_index, mc_mem_region_t region)
-{
- if (region->contain(simgrid::mc::remote(addr)))
- return region;
- else
- return mc_get_snapshot_region(addr, snapshot, process_index);
-}
-
static const void* mc_snapshot_get_heap_end(simgrid::mc::Snapshot* snapshot);
namespace simgrid {
namespace mc {
-XBT_PRIVATE std::shared_ptr<simgrid::mc::Snapshot> take_snapshot(int num_state);
-XBT_PRIVATE void restore_snapshot(std::shared_ptr<simgrid::mc::Snapshot> snapshot);
+XBT_PRIVATE std::shared_ptr<Snapshot> take_snapshot(int num_state);
} // namespace mc
} // namespace simgrid
-XBT_PRIVATE void mc_restore_page_snapshot_region(simgrid::mc::RemoteClient* process, void* start_addr,
- simgrid::mc::ChunkedData const& pagenos);
+const void* MC_region_read_fragmented(simgrid::mc::RegionSnapshot* region, void* target, const void* addr,
+ std::size_t size);
-const void* MC_region_read_fragmented(mc_mem_region_t region, void* target, const void* addr, std::size_t size);
-
-int MC_snapshot_region_memcmp(const void* addr1, mc_mem_region_t region1, const void* addr2, mc_mem_region_t region2,
- std::size_t size);
+int MC_snapshot_region_memcmp(const void* addr1, simgrid::mc::RegionSnapshot* region1, const void* addr2,
+ simgrid::mc::RegionSnapshot* region2, std::size_t size);
static XBT_ALWAYS_INLINE const void* mc_snapshot_get_heap_end(simgrid::mc::Snapshot* snapshot)
{
* @param size Size of the data to read in bytes
* @return Pointer where the data is located (target buffer of original location)
*/
-static XBT_ALWAYS_INLINE const void* MC_region_read(mc_mem_region_t region, void* target, const void* addr,
+static XBT_ALWAYS_INLINE const void* MC_region_read(simgrid::mc::RegionSnapshot* region, void* target, const void* addr,
std::size_t size)
{
xbt_assert(region);
case simgrid::mc::StorageType::Chunked: {
// Last byte of the region:
void* end = (char*)addr + size - 1;
- if (simgrid::mc::mmu::sameChunk((std::uintptr_t)addr, (std::uintptr_t)end)) {
+ if (simgrid::mc::mmu::same_chunk((std::uintptr_t)addr, (std::uintptr_t)end)) {
// The memory is contained in a single page:
return mc_translate_address_region_chunked((uintptr_t)addr, region);
}
}
default:
- // includes StorageType::NoData and StorageType::Privatized (we currently do not pass the process_index to this
- // function so we assume that the privatized region has been resolved in the callers)
- xbt_die("Storage type not supported");
+ xbt_die("StorageType::NoData not supported");
}
}
-static XBT_ALWAYS_INLINE void* MC_region_read_pointer(mc_mem_region_t region, const void* addr)
+static XBT_ALWAYS_INLINE void* MC_region_read_pointer(simgrid::mc::RegionSnapshot* region, const void* addr)
{
void* res;
return *(void**)MC_region_read(region, &res, addr, sizeof(void*));
