X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3ae513c025c03178cb746e93852999a0f9d4b911..21a31de1d846c96e4556956d9426cbd27c24b559:/src/mc/mc_checkpoint.cpp diff --git a/src/mc/mc_checkpoint.cpp b/src/mc/mc_checkpoint.cpp index be90588f20..6538130f8a 100644 --- a/src/mc/mc_checkpoint.cpp +++ b/src/mc/mc_checkpoint.cpp @@ -1,4 +1,4 @@ -/* 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 @@ -6,36 +6,37 @@ #include +#include +#include #include -#include #include -#include #ifndef WIN32 #include #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 #include -#include "src/mc/mc_private.h" +#include "src/mc/mc_private.hpp" #include #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" @@ -47,6 +48,10 @@ 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 { @@ -60,11 +65,6 @@ 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()); @@ -78,6 +78,10 @@ static void restore(mc_mem_region_t region) for (auto& p : region->privatized_data()) restore(&p); break; + + default: // includes StorageType::NoData + xbt_die("Storage type not supported"); + break; } } @@ -139,7 +143,6 @@ void add_region(int index, simgrid::mc::Snapshot* snapshot, snapshot->snapshot_regions[index] = std::unique_ptr( new simgrid::mc::RegionSnapshot(std::move(region))); - return; } static void get_memory_regions(simgrid::mc::RemoteClient* process, simgrid::mc::Snapshot* snapshot) @@ -175,10 +178,6 @@ static void get_memory_regions(simgrid::mc::RemoteClient* process, simgrid::mc:: 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 @@ -186,18 +185,15 @@ void find_object_address( std::vector 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) { @@ -251,8 +247,6 @@ void find_object_address( result->end = result->end_exec; xbt_assert(result->start_exec || result->start_rw || result->start_ro); - - free(name); } /************************************* Take Snapshot ************************************/ @@ -278,18 +272,15 @@ static bool valid_variable(simgrid::mc::Variable* var, return true; } -static void fill_local_variables_values(mc_stack_frame_t stack_frame, - simgrid::mc::Frame* scope, - int process_index, - std::vector& result) +static void fill_local_variables_values(mc_stack_frame_t stack_frame, simgrid::mc::Frame* scope, int process_index, + std::vector& result) { 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; @@ -331,15 +322,15 @@ static void fill_local_variables_values(mc_stack_frame_t stack_frame, } // 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 get_local_variables_values( - std::vector& stack_frames, int process_index) +static std::vector get_local_variables_values(std::vector& stack_frames, + int process_index) { - std::vector variables; + std::vector 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; @@ -453,7 +444,7 @@ static void snapshot_handle_ignore(simgrid::mc::Snapshot* snapshot) } // 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); } @@ -526,12 +517,9 @@ static std::vector get_current_fds(pid_t pid) // 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: @@ -559,7 +547,7 @@ std::shared_ptr take_snapshot(int num_state) std::shared_ptr snapshot = std::make_shared(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()); @@ -588,7 +576,7 @@ std::shared_ptr take_snapshot(int num_state) static inline void restore_snapshot_regions(simgrid::mc::Snapshot* snapshot) { - for(std::unique_ptr const& region : snapshot->snapshot_regions) { + for (std::unique_ptr const& region : snapshot->snapshot_regions) { // For privatized, variables we decided it was not necessary to take the snapshot: if (region) restore(region.get());