#ifndef SIMGRID_MC_SNAPSHOT_HPP
#define SIMGRID_MC_SNAPSHOT_HPP
-#include <vector>
+#include <memory>
#include <set>
#include <string>
-#include <memory>
+#include <vector>
#include "src/mc/ModelChecker.hpp"
#include "src/mc/RegionSnapshot.hpp"
#include "src/mc/mc_forward.hpp"
#include "src/mc/mc_unw.hpp"
-SG_BEGIN_DECL()
+extern "C" {
// ***** Snapshot region
static XBT_ALWAYS_INLINE void* mc_translate_address_region_chunked(uintptr_t addr, mc_mem_region_t region)
{
- auto split = simgrid::mc::mmu::split(addr - region->start().address());
- auto pageno = split.first;
- auto offset = split.second;
+ auto split = simgrid::mc::mmu::split(addr - region->start().address());
+ auto pageno = split.first;
+ auto offset = split.second;
const void* snapshot_page = region->page_data().page(pageno);
- return (char*) snapshot_page + offset;
+ 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)
{
switch (region->storage_type()) {
- case simgrid::mc::StorageType::Flat:
- {
- uintptr_t offset = (uintptr_t) addr - (uintptr_t) region->start().address();
- return (void *) ((uintptr_t) region->flat_data().get() + offset);
+ case simgrid::mc::StorageType::Flat: {
+ uintptr_t offset = (uintptr_t)addr - (uintptr_t)region->start().address();
+ return (void*)((uintptr_t)region->flat_data().get() + offset);
}
- 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);
+ 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);
}
- case simgrid::mc::StorageType::NoData:
- default:
+ default: // includes StorageType::NoData
xbt_die("Storage type not supported");
}
}
* Some parts of the snapshot are ignored by zeroing them out: the real
* values is stored here.
* */
-typedef struct s_mc_snapshot_ignored_data {
+struct s_mc_snapshot_ignored_data_t {
void* start;
std::vector<char> data;
-} s_mc_snapshot_ignored_data_t;
+};
-typedef struct s_fd_infos{
+struct s_fd_infos_t {
std::string filename;
int number;
off_t current_position;
int flags;
-} s_fd_infos_t;
+};
/** Information about a given stack frame */
-typedef struct s_mc_stack_frame {
+struct s_mc_stack_frame_t {
/** Instruction pointer */
unw_word_t ip;
/** Stack pointer */
simgrid::mc::Frame* frame;
std::string frame_name;
unw_cursor_t unw_cursor;
-} s_mc_stack_frame_t;
+};
typedef s_mc_stack_frame_t* mc_stack_frame_t;
-typedef struct s_local_variable{
+struct s_local_variable_t {
simgrid::mc::Frame* subprogram;
unsigned long ip;
std::string name;
simgrid::mc::Type* type;
- void *address;
+ void* address;
int region;
-} s_local_variable_t;
+};
typedef s_local_variable_t* local_variable_t;
-typedef struct XBT_PRIVATE s_mc_snapshot_stack {
- std::vector<s_local_variable> local_variables;
+struct XBT_PRIVATE s_mc_snapshot_stack_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;
-} s_mc_snapshot_stack_t, *mc_snapshot_stack_t;
+};
+typedef s_mc_snapshot_stack_t* mc_snapshot_stack_t;
namespace simgrid {
namespace mc {
public:
Snapshot(RemoteClient* process, int num_state);
~Snapshot() = default;
- const void* read_bytes(void* buffer, std::size_t size,
- RemotePtr<void> address, int process_index = ProcessIndexAny,
- ReadOptions options = ReadOptions::none()) const override;
+ const void* read_bytes(void* buffer, std::size_t size, RemotePtr<void> address, int process_index = ProcessIndexAny,
+ ReadOptions options = ReadOptions::none()) const override;
// To be private
int num_state;
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> ignored_data;
+ std::vector<s_mc_snapshot_ignored_data_t> ignored_data;
std::vector<s_fd_infos_t> current_fds;
};
-
}
}
}
static const void* mc_snapshot_get_heap_end(simgrid::mc::Snapshot* snapshot);
-
}
namespace simgrid {
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 void mc_restore_page_snapshot_region(simgrid::mc::RemoteClient* process, void* start_addr,
simgrid::mc::ChunkedData const& pagenos);
-const void* MC_region_read_fragmented(
- mc_mem_region_t 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);
-XBT_PRIVATE int MC_snapshot_memcmp(
- const void* addr1, simgrid::mc::Snapshot* snapshot1,
- const void* addr2, simgrid::mc::Snapshot* snapshot2, int process_index, 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);
+XBT_PRIVATE int MC_snapshot_memcmp(const void* addr1, simgrid::mc::Snapshot* snapshot1, const void* addr2,
+ simgrid::mc::Snapshot* snapshot2, int process_index, std::size_t size);
static XBT_ALWAYS_INLINE const void* mc_snapshot_get_heap_end(simgrid::mc::Snapshot* snapshot)
{
- if(snapshot==nullptr)
- xbt_die("snapshot is nullptr");
+ if (snapshot == nullptr)
+ xbt_die("snapshot is nullptr");
return mc_model_checker->process().get_heap()->breakval;
}
xbt_assert(region->contain(simgrid::mc::remote(addr)), "Trying to read out of the region boundary.");
switch (region->storage_type()) {
- case simgrid::mc::StorageType::NoData:
- default:
- xbt_die("Storage type not supported");
-
- case simgrid::mc::StorageType::Flat:
- return (char*) region->flat_data().get() + offset;
+ case simgrid::mc::StorageType::Flat:
+ return (char*)region->flat_data().get() + offset;
- case simgrid::mc::StorageType::Chunked:
- {
+ 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) ) {
+ void* end = (char*)addr + size - 1;
+ if (simgrid::mc::mmu::sameChunk((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);
- } else {
- // The memory spans several pages:
- return MC_region_read_fragmented(region, target, addr, size);
+ return mc_translate_address_region_chunked((uintptr_t)addr, region);
}
+ // Otherwise, the memory spans several pages:
+ return MC_region_read_fragmented(region, target, addr, size);
}
- // We currently do not pass the process_index to this function so we assume
- // that the privatized region has been resolved in the callers:
- case simgrid::mc::StorageType::Privatized:
- xbt_die("Storage type not supported");
+ 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");
}
}
static XBT_ALWAYS_INLINE void* MC_region_read_pointer(mc_mem_region_t region, const void* addr)
{
void* res;
- return *(void**) MC_region_read(region, &res, addr, sizeof(void*));
+ return *(void**)MC_region_read(region, &res, addr, sizeof(void*));
+}
}
-
-SG_END_DECL()
#endif
