#include <link.h>
#include <dirent.h>
+#ifndef WIN32
+#include <sys/mman.h>
+#endif
+
#include "src/internal_config.h"
#include "src/mc/mc_private.h"
#include "xbt/module.h"
#include "src/mc/mc_private.h"
#include <mc/mc.h>
-#include "src/mc/mc_snapshot.h"
+#include "src/mc/mc_hash.hpp"
#include "src/mc/mc_mmu.h"
-#include "src/mc/mc_unw.h"
-#include "src/mc/mc_protocol.h"
#include "src/mc/mc_smx.h"
-#include "mc_hash.hpp"
+#include "src/mc/mc_snapshot.h"
+#include "src/mc/mc_unw.h"
+#include "src/mc/remote/mc_protocol.h"
#include "src/mc/RegionSnapshot.hpp"
#include "src/mc/ObjectInformation.hpp"
/** @brief Restore a region from a snapshot
*
- * @param reg Target region
+ * @param region Target region
*/
static void restore(mc_mem_region_t region)
{
#if HAVE_SMPI
RegionSnapshot privatized_region(
RegionType region_type, void *start_addr, void* permanent_addr,
- std::size_t size, const RegionSnapshot* ref_region
+ std::size_t size
)
{
size_t process_count = MC_smpi_process_count();
std::vector<simgrid::mc::RegionSnapshot> data;
data.reserve(process_count);
- for (size_t i = 0; i < process_count; i++) {
- const simgrid::mc::RegionSnapshot* ref_privatized_region = nullptr;
- if (ref_region && ref_region->storage_type() == StorageType::Privatized)
- ref_privatized_region = &ref_region->privatized_data()[i];
+ for (size_t i = 0; i < process_count; i++)
data.push_back(simgrid::mc::region(region_type, start_addr,
- privatisation_regions[i].address, size, ref_privatized_region));
- }
+ privatisation_regions[i].address, size));
simgrid::mc::RegionSnapshot region = simgrid::mc::RegionSnapshot(
region_type, start_addr, permanent_addr, size);
region.privatized_data(std::move(data));
- return std::move(region);
+ return region;
}
#endif
else if (type == simgrid::mc::RegionType::Heap)
xbt_assert(!object_info, "Unexpected object info for heap region.");
- simgrid::mc::RegionSnapshot const* ref_region = nullptr;
- if (mc_model_checker->parent_snapshot_)
- ref_region = mc_model_checker->parent_snapshot_->snapshot_regions[index].get();
-
simgrid::mc::RegionSnapshot region;
#if HAVE_SMPI
const bool privatization_aware = object_info
&& mc_model_checker->process().privatized(*object_info);
if (privatization_aware && MC_smpi_process_count())
region = simgrid::mc::privatized_region(
- type, start_addr, permanent_addr, size, ref_region);
+ type, start_addr, permanent_addr, size);
else
#endif
- region = simgrid::mc::region(type, start_addr, permanent_addr, size, ref_region);
+ region = simgrid::mc::region(type, start_addr, permanent_addr, size);
region.object_info(object_info);
snapshot->snapshot_regions[index]
}
result->start = result->start_rw;
- if ((const void*) result->start_ro > result->start)
+ if ((const void*) result->start_ro < result->start)
result->start = result->start_ro;
- if ((const void*) result->start_exec > result->start)
+ if ((const void*) result->start_exec < result->start)
result->start = result->start_exec;
result->end = result->end_rw;
- if (result->end_ro && (const void*) result->end_ro < result->end)
+ if (result->end_ro && (const void*) result->end_ro > result->end)
result->end = result->end_ro;
if (result->end_exec && (const void*) result->end_exec > result->end)
result->end = result->end_exec;
- xbt_assert(rresult->start_exec || result->start_rw || result->start_ro);
+ xbt_assert(result->start_exec || result->start_rw || result->start_ro);
free(name);
}
* A variable may be defined only from a given value of IP.
*
* \param var Variable description
- * \param frame Scope description
+ * \param scope Scope description
* \param ip Instruction pointer
* \return true if the variable is valid
* */
{
simgrid::mc::Process* process = &mc_model_checker->process();
- if (!scope->range.contain(stack_frame->ip))
+ if (!scope || !scope->range.contain(stack_frame->ip))
return;
for(simgrid::mc::Variable& current_variable :
std::vector<s_local_variable> variables;
for (s_mc_stack_frame_t& stack_frame : stack_frames)
fill_local_variables_values(&stack_frame, stack_frame.frame, process_index, variables);
- return std::move(variables);
+ return variables;
}
static std::vector<s_mc_stack_frame_t> unwind_stack_frames(simgrid::mc::UnwindContext* stack_context)
xbt_abort();
}
- return std::move(result);
+ return result;
};
-static std::vector<s_mc_snapshot_stack_t> take_snapshot_stacks(simgrid::mc::Snapshot* * snapshot)
+static std::vector<s_mc_snapshot_stack_t> take_snapshot_stacks(simgrid::mc::Snapshot* snapshot)
{
std::vector<s_mc_snapshot_stack_t> res;
size_t stack_size =
(char*) stack.address + stack.size - (char*) sp;
- (*snapshot)->stack_sizes.push_back(stack_size);
+ snapshot->stack_sizes.push_back(stack_size);
}
- return std::move(res);
+ return res;
}
// We don't handle them.
// It does not mean we should silently ignore them however.
- if (strncmp(link, "pipe:", 5) == 0 || strncmp(link, "socket:", 7) == 0)
+ if (strncmp(link, "pipe:", std::strlen("pipe:")) == 0 || strncmp(link, "socket:", std::strlen("socket:")) == 0)
continue;
// If dot_output enabled, do not handle the corresponding file
}
// This is probably a shared memory used by lttng-ust:
- if(strncmp("/dev/shm/ust-shm-tmp-", link, 21)==0)
+ if(strncmp("/dev/shm/ust-shm-tmp-", link, std::strlen("/dev/shm/ust-shm-tmp-"))==0)
continue;
// Add an entry for this FD in the snapshot:
}
closedir (fd_dir);
- return std::move(fds);
+ return fds;
}
-simgrid::mc::Snapshot* take_snapshot(int num_state)
+std::shared_ptr<simgrid::mc::Snapshot> take_snapshot(int num_state)
{
XBT_DEBUG("Taking snapshot %i", num_state);
simgrid::mc::Process* mc_process = &mc_model_checker->process();
- simgrid::mc::Snapshot* snapshot = new simgrid::mc::Snapshot(mc_process);
+ std::shared_ptr<simgrid::mc::Snapshot> snapshot = std::make_shared<simgrid::mc::Snapshot>(mc_process, num_state);
- snapshot->num_state = num_state;
+ for (auto& p : mc_model_checker->process().actors())
+ snapshot->enabled_processes.insert(p.copy.getBuffer()->pid);
- for (auto& p : mc_model_checker->process().simix_processes())
- snapshot->enabled_processes.insert(p.copy.pid);
-
- snapshot_handle_ignore(snapshot);
+ snapshot_handle_ignore(snapshot.get());
if (_sg_mc_snapshot_fds)
snapshot->current_fds = get_current_fds(mc_model_checker->process().pid());
- const bool use_soft_dirty = _sg_mc_sparse_checkpoint && _sg_mc_soft_dirty;
-
/* Save the std heap and the writable mapped pages of libsimgrid and binary */
- get_memory_regions(mc_process, snapshot);
- if (use_soft_dirty)
- mc_process->reset_soft_dirty();
+ get_memory_regions(mc_process, snapshot.get());
snapshot->to_ignore = mc_model_checker->process().ignored_heap();
- if (_sg_mc_visited > 0 || strcmp(_sg_mc_property_file, "")) {
- snapshot->stacks =
- take_snapshot_stacks(&snapshot);
+ if (_sg_mc_max_visited_states > 0 || strcmp(_sg_mc_property_file, "")) {
+ snapshot->stacks = take_snapshot_stacks(snapshot.get());
if (_sg_mc_hash)
snapshot->hash = simgrid::mc::hash(*snapshot);
else
} else
snapshot->hash = 0;
- snapshot_ignore_restore(snapshot);
- if (use_soft_dirty)
- mc_model_checker->parent_snapshot_ = snapshot;
+ snapshot_ignore_restore(snapshot.get());
return snapshot;
}
static inline
void restore_snapshot_fds(simgrid::mc::Snapshot* snapshot)
{
- if (mc_mode == MC_MODE_SERVER)
- xbt_die("FD snapshot not implemented in client/server mode.");
+ xbt_die("FD snapshot not implemented in client/server mode.");
for (auto const& fd : snapshot->current_fds) {
}
}
-void restore_snapshot(simgrid::mc::Snapshot* snapshot)
+void restore_snapshot(std::shared_ptr<simgrid::mc::Snapshot> snapshot)
{
XBT_DEBUG("Restore snapshot %i", snapshot->num_state);
- const bool use_soft_dirty = _sg_mc_sparse_checkpoint && _sg_mc_soft_dirty;
- restore_snapshot_regions(snapshot);
+ restore_snapshot_regions(snapshot.get());
if (_sg_mc_snapshot_fds)
- restore_snapshot_fds(snapshot);
- if (use_soft_dirty)
- mc_model_checker->process().reset_soft_dirty();
- snapshot_ignore_restore(snapshot);
+ restore_snapshot_fds(snapshot.get());
+ snapshot_ignore_restore(snapshot.get());
mc_model_checker->process().clear_cache();
- if (use_soft_dirty)
- mc_model_checker->parent_snapshot_ = snapshot;
}
}
