-/* Copyright (c) 2008-2015. The SimGrid Team.
+/* Copyright (c) 2008-2017. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <unistd.h>
+#include <cstring>
+#include <dirent.h>
#include <fcntl.h>
-#include <string.h>
#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 "src/smpi/private.h"
+#include "src/mc/mc_private.hpp"
+#include "src/smpi/include/private.hpp"
+#include "xbt/file.hpp"
#include "xbt/mmalloc.h"
#include "xbt/module.h"
#include "src/xbt/mmalloc/mmprivate.h"
-#include "src/simix/smx_private.h"
+#include "src/simix/smx_private.hpp"
#include <libunwind.h>
#include <libelf.h>
-#include "src/mc/mc_private.h"
+#include "src/mc/mc_private.hpp"
#include <mc/mc.h>
#include "src/mc/mc_hash.hpp"
-#include "src/mc/mc_mmu.h"
-#include "src/mc/mc_smx.h"
-#include "src/mc/mc_snapshot.h"
-#include "src/mc/mc_unw.h"
+#include "src/mc/mc_mmu.hpp"
+#include "src/mc/mc_smx.hpp"
+#include "src/mc/mc_snapshot.hpp"
+#include "src/mc/mc_unw.hpp"
#include "src/mc/remote/mc_protocol.h"
#include "src/mc/RegionSnapshot.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_checkpoint, mc, "Logging specific to mc_checkpoint");
+#define PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC)
+#define PROT_RW (PROT_READ | PROT_WRITE)
+#define PROT_RX (PROT_READ | PROT_EXEC)
+
namespace simgrid {
namespace mc {
static void restore(mc_mem_region_t region)
{
switch(region->storage_type()) {
- case simgrid::mc::StorageType::NoData:
- default:
- xbt_die("Storage type not supported");
- break;
-
case simgrid::mc::StorageType::Flat:
mc_model_checker->process().write_bytes(region->flat_data().get(),
region->size(), region->permanent_address());
for (auto& p : region->privatized_data())
restore(&p);
break;
+
+ default: // includes StorageType::NoData
+ xbt_die("Storage type not supported");
+ break;
}
}
{
size_t process_count = MC_smpi_process_count();
- // Read smpi_privatisation_regions from MCed:
- smpi_privatisation_region_t remote_smpi_privatisation_regions;
+ // Read smpi_privatization_regions from MCed:
+ smpi_privatization_region_t remote_smpi_privatization_regions;
mc_model_checker->process().read_variable(
- "smpi_privatisation_regions",
- &remote_smpi_privatisation_regions, sizeof(remote_smpi_privatisation_regions));
- s_smpi_privatisation_region_t privatisation_regions[process_count];
+ "smpi_privatization_regions",
+ &remote_smpi_privatization_regions, sizeof(remote_smpi_privatization_regions));
+ s_smpi_privatization_region_t privatization_regions[process_count];
mc_model_checker->process().read_bytes(
- &privatisation_regions, sizeof(privatisation_regions),
- remote(remote_smpi_privatisation_regions));
+ &privatization_regions, sizeof(privatization_regions),
+ remote(remote_smpi_privatization_regions));
std::vector<simgrid::mc::RegionSnapshot> data;
data.reserve(process_count);
for (size_t i = 0; i < process_count; i++)
data.push_back(simgrid::mc::region(region_type, start_addr,
- privatisation_regions[i].address, size));
+ privatization_regions[i].address, size));
simgrid::mc::RegionSnapshot region = simgrid::mc::RegionSnapshot(
region_type, start_addr, permanent_addr, size);
return;
}
-static void get_memory_regions(simgrid::mc::Process* process, simgrid::mc::Snapshot* snapshot)
+static void get_memory_regions(simgrid::mc::RemoteClient* process, simgrid::mc::Snapshot* snapshot)
{
const size_t n = process->object_infos.size();
snapshot->snapshot_regions.resize(n + 1);
snapshot->privatization_index = simgrid::mc::ProcessIndexMissing;
}
-#define PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC)
-#define PROT_RW (PROT_READ | PROT_WRITE)
-#define PROT_RX (PROT_READ | PROT_EXEC)
-
/** \brief Fills the position of the segments (executable, read-only, read/write).
* */
// TODO, use the ELF segment information for more robustness
std::vector<simgrid::xbt::VmMap> const& maps,
simgrid::mc::ObjectInformation* result)
{
- char* name = xbt_basename(result->file_name.c_str());
+ std::string name = simgrid::xbt::Path(result->file_name).getBasename();
for (size_t i = 0; i < maps.size(); ++i) {
simgrid::xbt::VmMap const& reg = maps[i];
if (maps[i].pathname.empty())
continue;
- char* map_basename = xbt_basename(maps[i].pathname.c_str());
- if (strcmp(name, map_basename) != 0) {
- free(map_basename);
+ std::string map_basename = simgrid::xbt::Path(maps[i].pathname).getBasename();
+ if (map_basename != name)
continue;
- }
- free(map_basename);
// This is the non-GNU_RELRO-part of the data segment:
if (reg.prot == PROT_RW) {
result->end = result->end_exec;
xbt_assert(result->start_exec || result->start_rw || result->start_ro);
-
- free(name);
}
/************************************* Take Snapshot ************************************/
return true;
}
-static void fill_local_variables_values(mc_stack_frame_t stack_frame,
- simgrid::mc::Frame* scope,
- int process_index,
- std::vector<s_local_variable>& result)
+static void fill_local_variables_values(mc_stack_frame_t stack_frame, simgrid::mc::Frame* scope, int process_index,
+ std::vector<s_local_variable_t>& result)
{
- simgrid::mc::Process* process = &mc_model_checker->process();
+ simgrid::mc::RemoteClient* process = &mc_model_checker->process();
if (not scope || not scope->range.contain(stack_frame->ip))
return;
- for(simgrid::mc::Variable& current_variable :
- scope->variables) {
+ for (simgrid::mc::Variable& current_variable : scope->variables) {
if (not valid_variable(¤t_variable, scope, (void*)stack_frame->ip))
continue;
}
// Recursive processing of nested scopes:
- for(simgrid::mc::Frame& nested_scope : scope->scopes)
+ for (simgrid::mc::Frame& nested_scope : scope->scopes)
fill_local_variables_values(
stack_frame, &nested_scope, process_index, result);
}
-static std::vector<s_local_variable> get_local_variables_values(
- std::vector<s_mc_stack_frame_t>& stack_frames, int process_index)
+static std::vector<s_local_variable_t> get_local_variables_values(std::vector<s_mc_stack_frame_t>& stack_frames,
+ int process_index)
{
- std::vector<s_local_variable> variables;
+ std::vector<s_local_variable_t> variables;
for (s_mc_stack_frame_t& stack_frame : stack_frames)
fill_local_variables_values(&stack_frame, stack_frame.frame, process_index, variables);
return variables;
static std::vector<s_mc_stack_frame_t> unwind_stack_frames(simgrid::mc::UnwindContext* stack_context)
{
- simgrid::mc::Process* process = &mc_model_checker->process();
+ simgrid::mc::RemoteClient* process = &mc_model_checker->process();
std::vector<s_mc_stack_frame_t> result;
unw_cursor_t c = stack_context->cursor();
}
// Zero the memory:
- for(auto const& region : mc_model_checker->process().ignored_regions())
+ for (auto const& region : mc_model_checker->process().ignored_regions())
snapshot->process()->clear_bytes(remote(region.addr), region.size);
}
link[res] = '\0';
#if HAVE_SMPI
- if(smpi_is_privatisation_file(link))
+ if(smpi_is_privatization_file(link))
continue;
#endif
// If dot_output enabled, do not handle the corresponding file
if (dot_output != nullptr) {
- char* link_basename = xbt_basename(link);
- if (strcmp(link_basename, _sg_mc_dot_output_file) == 0) {
- free(link_basename);
+ std::string link_basename = simgrid::xbt::Path(link).getBasename();
+ if (link_basename == _sg_mc_dot_output_file)
continue;
- }
- free(link_basename);
}
// This is probably a shared memory used by lttng-ust:
{
XBT_DEBUG("Taking snapshot %i", num_state);
- simgrid::mc::Process* mc_process = &mc_model_checker->process();
+ simgrid::mc::RemoteClient* mc_process = &mc_model_checker->process();
std::shared_ptr<simgrid::mc::Snapshot> snapshot = std::make_shared<simgrid::mc::Snapshot>(mc_process, num_state);
- for (auto& p : mc_model_checker->process().actors())
+ for (auto const& p : mc_model_checker->process().actors())
snapshot->enabled_processes.insert(p.copy.getBuffer()->pid);
snapshot_handle_ignore(snapshot.get());
static inline
void restore_snapshot_regions(simgrid::mc::Snapshot* snapshot)
{
- for(std::unique_ptr<s_mc_mem_region_t> const& region : snapshot->snapshot_regions) {
+ for (std::unique_ptr<s_mc_mem_region_t> const& region : snapshot->snapshot_regions) {
// For privatized, variables we decided it was not necessary to take the snapshot:
if (region)
restore(region.get());
}
#if HAVE_SMPI
- // TODO, send a message to implement this in the MCed process
if(snapshot->privatization_index >= 0) {
// Fix the privatization mmap:
- s_mc_restore_message message;
- message.type = MC_MESSAGE_RESTORE;
- message.index = snapshot->privatization_index;
+ s_mc_message_restore message{MC_MESSAGE_RESTORE, snapshot->privatization_index};
mc_model_checker->process().getChannel().send(message);
}
#endif
