+++ /dev/null
-/* Copyright (c) 2008-2019. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifndef WIN32
-#include <sys/mman.h>
-#endif
-
-#include "xbt/file.hpp"
-
-#include "src/mc/mc_config.hpp"
-#include "src/mc/mc_hash.hpp"
-#include "src/mc/mc_private.hpp"
-#include "src/mc/mc_smx.hpp"
-#include "src/mc/sosp/mc_snapshot.hpp"
-
-using simgrid::mc::remote;
-
-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 {
-
-/************************************ Free functions **************************************/
-/*****************************************************************************************/
-
-
-
-/** @brief Fills the position of the segments (executable, read-only, read/write).
- * */
-// TODO, use the ELF segment information for more robustness
-void find_object_address(std::vector<simgrid::xbt::VmMap> const& maps, simgrid::mc::ObjectInformation* result)
-{
- std::string name = simgrid::xbt::Path(result->file_name).get_base_name();
-
- for (size_t i = 0; i < maps.size(); ++i) {
- simgrid::xbt::VmMap const& reg = maps[i];
- if (maps[i].pathname.empty())
- continue;
- std::string map_basename = simgrid::xbt::Path(maps[i].pathname).get_base_name();
- if (map_basename != name)
- continue;
-
- // This is the non-GNU_RELRO-part of the data segment:
- if (reg.prot == PROT_RW) {
- xbt_assert(not result->start_rw, "Multiple read-write segments for %s, not supported", maps[i].pathname.c_str());
- result->start_rw = (char*)reg.start_addr;
- result->end_rw = (char*)reg.end_addr;
-
- // The next VMA might be end of the data segment:
- if (i + 1 < maps.size() && maps[i + 1].pathname.empty() && maps[i + 1].prot == PROT_RW &&
- maps[i + 1].start_addr == reg.end_addr)
- result->end_rw = (char*)maps[i + 1].end_addr;
- }
-
- // This is the text segment:
- else if (reg.prot == PROT_RX) {
- xbt_assert(not result->start_exec, "Multiple executable segments for %s, not supported",
- maps[i].pathname.c_str());
- result->start_exec = (char*)reg.start_addr;
- result->end_exec = (char*)reg.end_addr;
-
- // The next VMA might be end of the data segment:
- if (i + 1 < maps.size() && maps[i + 1].pathname.empty() && maps[i + 1].prot == PROT_RW &&
- maps[i + 1].start_addr == reg.end_addr) {
- result->start_rw = (char*)maps[i + 1].start_addr;
- result->end_rw = (char*)maps[i + 1].end_addr;
- }
- }
-
- // This is the GNU_RELRO-part of the data segment:
- else if (reg.prot == PROT_READ) {
- xbt_assert(not result->start_ro, "Multiple read only segments for %s, not supported", maps[i].pathname.c_str());
- result->start_ro = (char*)reg.start_addr;
- result->end_ro = (char*)reg.end_addr;
- }
- }
-
- result->start = result->start_rw;
- if ((const void*)result->start_ro < result->start)
- result->start = result->start_ro;
- 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)
- result->end = result->end_ro;
- if (result->end_exec && (const void*)result->end_exec > result->end)
- result->end = result->end_exec;
-
- xbt_assert(result->start_exec || result->start_rw || result->start_ro);
-}
-
-
-std::shared_ptr<simgrid::mc::Snapshot> take_snapshot(int num_state)
-{
- XBT_DEBUG("Taking snapshot %i", num_state);
-
- std::shared_ptr<simgrid::mc::Snapshot> snapshot = std::make_shared<simgrid::mc::Snapshot>(num_state);
- return snapshot;
-}
-
-} // namespace mc
-} // namespace simgrid
