X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d656f9465e7b1c36319f86eeafdcec58fe9551a4..a57327d86b9fb16acacc71a3359817acd2a2816b:/src/mc/compare.cpp diff --git a/src/mc/compare.cpp b/src/mc/compare.cpp index 1093b18778..845020a405 100644 --- a/src/mc/compare.cpp +++ b/src/mc/compare.cpp @@ -1,42 +1,13 @@ -/* Copyright (c) 2008-2017. The SimGrid Team. All rights reserved. */ +/* 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. */ /** \file compare.cpp Memory snapshooting and comparison */ -#include - -#include -#include -#include -#include -#include - -#include "xbt/dynar.h" -#include "xbt/sysdep.h" -#include - -#include -#include - -#include "src/internal_config.h" - -#include "src/xbt/mmalloc/mmprivate.h" - -#if HAVE_SMPI -#include "src/smpi/include/private.hpp" -#endif - -#include "src/mc/Frame.hpp" -#include "src/mc/ObjectInformation.hpp" -#include "src/mc/Type.hpp" -#include "src/mc/Variable.hpp" -#include "src/mc/mc_dwarf.hpp" -#include "src/mc/mc_forward.hpp" -#include "src/mc/mc_private.hpp" +#include "src/mc/mc_config.hpp" #include "src/mc/mc_smx.hpp" -#include "src/mc/mc_snapshot.hpp" +#include "src/mc/sosp/mc_snapshot.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_compare, xbt, "Logging specific to mc_compare in mc"); @@ -122,7 +93,8 @@ namespace { * * It can hash pairs: the standard hash currently doesn't include this. */ -template struct hash : public std::hash {}; +template class hash : public std::hash { +}; template class hash> { public: @@ -299,10 +271,9 @@ int StateComparator::initHeapInformation(xbt_mheap_t heap1, xbt_mheap_t heap2, } // TODO, have a robust way to find it in O(1) -static inline -mc_mem_region_t MC_get_heap_region(simgrid::mc::Snapshot* snapshot) +static inline RegionSnapshot* MC_get_heap_region(Snapshot* snapshot) { - for (auto const& region : snapshot->snapshot_regions) + for (auto const& region : snapshot->snapshot_regions_) if (region->region_type() == simgrid::mc::RegionType::Heap) return region.get(); xbt_die("No heap region"); @@ -315,37 +286,28 @@ int mmalloc_compare_heap( simgrid::mc::RemoteClient* process = &mc_model_checker->process(); /* Start comparison */ - size_t i1; - size_t i2; - size_t j1; - size_t j2; - size_t k; - void* addr_block1; - void* addr_block2; - void* addr_frag1; - void* addr_frag2; int nb_diff1 = 0; int nb_diff2 = 0; - int equal; + bool equal; /* Check busy blocks */ - i1 = 1; + size_t i1 = 1; malloc_info heapinfo_temp1; malloc_info heapinfo_temp2; malloc_info heapinfo_temp2b; - mc_mem_region_t heap_region1 = MC_get_heap_region(snapshot1); - mc_mem_region_t heap_region2 = MC_get_heap_region(snapshot2); + simgrid::mc::RegionSnapshot* heap_region1 = MC_get_heap_region(snapshot1); + simgrid::mc::RegionSnapshot* heap_region2 = MC_get_heap_region(snapshot2); // This is the address of std_heap->heapinfo in the application process: void* heapinfo_address = &((xbt_mheap_t) process->heap_address)->heapinfo; // This is in snapshot do not use them directly: const malloc_info* heapinfos1 = snapshot1->read( - (std::uint64_t)heapinfo_address, simgrid::mc::ProcessIndexMissing); + RemotePtr((std::uint64_t)heapinfo_address), simgrid::mc::ProcessIndexMissing); const malloc_info* heapinfos2 = snapshot2->read( - (std::uint64_t)heapinfo_address, simgrid::mc::ProcessIndexMissing); + RemotePtr((std::uint64_t)heapinfo_address), simgrid::mc::ProcessIndexMissing); while (i1 < state.heaplimit) { @@ -362,14 +324,14 @@ int mmalloc_compare_heap( abort(); } - addr_block1 = ((void*)(((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase)); + void* addr_block1 = ((void*)(((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase)); if (heapinfo1->type == MMALLOC_TYPE_UNFRAGMENTED) { /* Large block */ if (is_stack(addr_block1)) { - for (k = 0; k < heapinfo1->busy_block.size; k++) + for (size_t k = 0; k < heapinfo1->busy_block.size; k++) state.equals_to1_(i1 + k, 0) = HeapArea(i1, -1); - for (k = 0; k < heapinfo2->busy_block.size; k++) + for (size_t k = 0; k < heapinfo2->busy_block.size; k++) state.equals_to2_(i1 + k, 0) = HeapArea(i1, -1); i1 += heapinfo1->busy_block.size; continue; @@ -380,27 +342,27 @@ int mmalloc_compare_heap( continue; } - i2 = 1; - equal = 0; + size_t i2 = 1; + equal = false; /* Try first to associate to same block in the other heap */ if (heapinfo2->type == heapinfo1->type && state.equals_to2_(i1, 0).valid_ == 0) { - addr_block2 = (ADDR2UINT(i1) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase; + void* addr_block2 = (ADDR2UINT(i1) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase; int res_compare = compare_heap_area(state, simgrid::mc::ProcessIndexMissing, addr_block1, addr_block2, snapshot1, snapshot2, nullptr, nullptr, 0); if (res_compare != 1) { - for (k = 1; k < heapinfo2->busy_block.size; k++) + for (size_t k = 1; k < heapinfo2->busy_block.size; k++) state.equals_to2_(i1 + k, 0) = HeapArea(i1, -1); - for (k = 1; k < heapinfo1->busy_block.size; k++) + for (size_t k = 1; k < heapinfo1->busy_block.size; k++) state.equals_to1_(i1 + k, 0) = HeapArea(i1, -1); - equal = 1; + equal = true; i1 += heapinfo1->busy_block.size; } } while (i2 < state.heaplimit && not equal) { - addr_block2 = (ADDR2UINT(i2) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase; + void* addr_block2 = (ADDR2UINT(i2) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase; if (i2 == i1) { i2++; @@ -423,11 +385,11 @@ int mmalloc_compare_heap( snapshot1, snapshot2, nullptr, nullptr, 0); if (res_compare != 1) { - for (k = 1; k < heapinfo2b->busy_block.size; k++) + for (size_t k = 1; k < heapinfo2b->busy_block.size; k++) state.equals_to2_(i2 + k, 0) = HeapArea(i1, -1); - for (k = 1; k < heapinfo1->busy_block.size; k++) + for (size_t k = 1; k < heapinfo1->busy_block.size; k++) state.equals_to1_(i1 + k, 0) = HeapArea(i2, -1); - equal = 1; + equal = true; i1 += heapinfo1->busy_block.size; } @@ -442,7 +404,7 @@ int mmalloc_compare_heap( } else { /* Fragmented block */ - for (j1 = 0; j1 < (size_t) (BLOCKSIZE >> heapinfo1->type); j1++) { + for (size_t j1 = 0; j1 < (size_t)(BLOCKSIZE >> heapinfo1->type); j1++) { if (heapinfo1->busy_frag.frag_size[j1] == -1) /* Free fragment_ */ continue; @@ -450,22 +412,19 @@ int mmalloc_compare_heap( if (state.equals_to1_(i1, j1).valid_) continue; - addr_frag1 = (void*)((char*)addr_block1 + (j1 << heapinfo1->type)); + void* addr_frag1 = (void*)((char*)addr_block1 + (j1 << heapinfo1->type)); - i2 = 1; - equal = 0; + size_t i2 = 1; + equal = false; /* Try first to associate to same fragment_ in the other heap */ if (heapinfo2->type == heapinfo1->type && not state.equals_to2_(i1, j1).valid_) { - addr_block2 = (ADDR2UINT(i1) - 1) * BLOCKSIZE + - (char *) state.std_heap_copy.heapbase; - addr_frag2 = - (void *) ((char *) addr_block2 + - (j1 << heapinfo2->type)); + void* addr_block2 = (ADDR2UINT(i1) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase; + void* addr_frag2 = (void*)((char*)addr_block2 + (j1 << heapinfo2->type)); int res_compare = compare_heap_area(state, simgrid::mc::ProcessIndexMissing, addr_frag1, addr_frag2, snapshot1, snapshot2, nullptr, nullptr, 0); if (res_compare != 1) - equal = 1; + equal = true; } while (i2 < state.heaplimit && not equal) { @@ -490,8 +449,7 @@ int mmalloc_compare_heap( abort(); } - for (j2 = 0; j2 < (size_t) (BLOCKSIZE >> heapinfo2b->type); - j2++) { + for (size_t j2 = 0; j2 < (size_t)(BLOCKSIZE >> heapinfo2b->type); j2++) { if (i2 == i1 && j2 == j1) continue; @@ -499,13 +457,13 @@ int mmalloc_compare_heap( if (state.equals_to2_(i2, j2).valid_) continue; - addr_block2 = (ADDR2UINT(i2) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase; - addr_frag2 = (void*)((char*)addr_block2 + (j2 << heapinfo2b->type)); + void* addr_block2 = (ADDR2UINT(i2) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase; + void* addr_frag2 = (void*)((char*)addr_block2 + (j2 << heapinfo2b->type)); int res_compare = compare_heap_area(state, simgrid::mc::ProcessIndexMissing, addr_frag1, addr_frag2, snapshot2, snapshot2, nullptr, nullptr, 0); if (res_compare != 1) { - equal = 1; + equal = true; break; } } @@ -527,10 +485,7 @@ int mmalloc_compare_heap( } /* All blocks/fragments are equal to another block/fragment_ ? */ - size_t i = 1; - size_t j = 0; - - for(i = 1; i < state.heaplimit; i++) { + for (size_t i = 1; i < state.heaplimit; i++) { const malloc_info* heapinfo1 = (const malloc_info*) MC_region_read( heap_region1, &heapinfo_temp1, &heapinfos1[i], sizeof(malloc_info)); @@ -542,7 +497,7 @@ int mmalloc_compare_heap( if (heapinfo1->type <= 0) continue; - for (j = 0; j < (size_t) (BLOCKSIZE >> heapinfo1->type); j++) + for (size_t j = 0; j < (size_t)(BLOCKSIZE >> heapinfo1->type); j++) if (i1 == state.heaplimit && heapinfo1->busy_frag.frag_size[j] > 0 && not state.equals_to1_(i, j).valid_) { XBT_DEBUG("Block %zu, Fragment %zu not found (size used = %zd)", i, j, heapinfo1->busy_frag.frag_size[j]); nb_diff1++; @@ -552,7 +507,7 @@ int mmalloc_compare_heap( if (i1 == state.heaplimit) XBT_DEBUG("Number of blocks/fragments not found in heap1: %d", nb_diff1); - for (i=1; i < state.heaplimit; i++) { + for (size_t i = 1; i < state.heaplimit; i++) { const malloc_info* heapinfo2 = (const malloc_info*) MC_region_read( heap_region2, &heapinfo_temp2, &heapinfos2[i], sizeof(malloc_info)); if (heapinfo2->type == MMALLOC_TYPE_UNFRAGMENTED && i1 == state.heaplimit && heapinfo2->busy_block.busy_size > 0 && @@ -565,7 +520,7 @@ int mmalloc_compare_heap( if (heapinfo2->type <= 0) continue; - for (j = 0; j < (size_t) (BLOCKSIZE >> heapinfo2->type); j++) + for (size_t j = 0; j < (size_t)(BLOCKSIZE >> heapinfo2->type); j++) if (i1 == state.heaplimit && heapinfo2->busy_frag.frag_size[j] > 0 && not state.equals_to2_(i, j).valid_) { XBT_DEBUG("Block %zu, Fragment %zu not found (size used = %zd)", i, j, heapinfo2->busy_frag.frag_size[j]); @@ -600,8 +555,8 @@ static int compare_heap_area_without_type( int check_ignore) { simgrid::mc::RemoteClient* process = &mc_model_checker->process(); - mc_mem_region_t heap_region1 = MC_get_heap_region(snapshot1); - mc_mem_region_t heap_region2 = MC_get_heap_region(snapshot2); + simgrid::mc::RegionSnapshot* heap_region1 = MC_get_heap_region(snapshot1); + simgrid::mc::RegionSnapshot* heap_region2 = MC_get_heap_region(snapshot2); for (int i = 0; i < size; ) { @@ -684,204 +639,177 @@ static int compare_heap_area_with_type( int area_size, int check_ignore, int pointer_level) { -top: - - // HACK: This should not happen but in pratice, there are some - // DW_TAG_typedef without an associated DW_AT_type: - //<1><538832>: Abbrev Number: 111 (DW_TAG_typedef) - // <538833> DW_AT_name : (indirect string, offset: 0x2292f3): gregset_t - // <538837> DW_AT_decl_file : 98 - // <538838> DW_AT_decl_line : 37 - if (type == nullptr) - return 0; - - if (is_stack(real_area1) && is_stack(real_area2)) - return 0; + do { + + // HACK: This should not happen but in pratice, there are some + // DW_TAG_typedef without an associated DW_AT_type: + //<1><538832>: Abbrev Number: 111 (DW_TAG_typedef) + // <538833> DW_AT_name : (indirect string, offset: 0x2292f3): gregset_t + // <538837> DW_AT_decl_file : 98 + // <538838> DW_AT_decl_line : 37 + if (type == nullptr) + return 0; - if (check_ignore > 0) { - ssize_t ignore1 = heap_comparison_ignore_size( - state.processStates[0].to_ignore, real_area1); - if (ignore1 > 0 - && heap_comparison_ignore_size( - state.processStates[1].to_ignore, real_area2) == ignore1) + if (is_stack(real_area1) && is_stack(real_area2)) return 0; - } - simgrid::mc::Type* subtype; - simgrid::mc::Type* subsubtype; - int res; - int elm_size; - const void* addr_pointed1; - const void* addr_pointed2; + if (check_ignore > 0) { + ssize_t ignore1 = heap_comparison_ignore_size(state.processStates[0].to_ignore, real_area1); + if (ignore1 > 0 && heap_comparison_ignore_size(state.processStates[1].to_ignore, real_area2) == ignore1) + return 0; + } - mc_mem_region_t heap_region1 = MC_get_heap_region(snapshot1); - mc_mem_region_t heap_region2 = MC_get_heap_region(snapshot2); + simgrid::mc::Type* subtype; + simgrid::mc::Type* subsubtype; + int elm_size; + const void* addr_pointed1; + const void* addr_pointed2; - switch (type->type) { - case DW_TAG_unspecified_type: - return 1; + simgrid::mc::RegionSnapshot* heap_region1 = MC_get_heap_region(snapshot1); + simgrid::mc::RegionSnapshot* heap_region2 = MC_get_heap_region(snapshot2); - case DW_TAG_base_type: - if (not type->name.empty() && type->name == "char") { /* String, hence random (arbitrary ?) size */ - if (real_area1 == real_area2) - return -1; - else - return MC_snapshot_region_memcmp(real_area1, heap_region1, real_area2, heap_region2, area_size) != 0; - } else { - if (area_size != -1 && type->byte_size != area_size) - return -1; - else - return MC_snapshot_region_memcmp(real_area1, heap_region1, real_area2, heap_region2, type->byte_size) != 0; - } - break; + switch (type->type) { + case DW_TAG_unspecified_type: + return 1; - case DW_TAG_enumeration_type: - if (area_size != -1 && type->byte_size != area_size) - return -1; - return MC_snapshot_region_memcmp(real_area1, heap_region1, real_area2, heap_region2, type->byte_size) != 0; - - case DW_TAG_typedef: - case DW_TAG_const_type: - case DW_TAG_volatile_type: - // Poor man's TCO: - type = type->subtype; - goto top; - - case DW_TAG_array_type: - subtype = type->subtype; - switch (subtype->type) { - case DW_TAG_unspecified_type: - return 1; + case DW_TAG_base_type: + if (not type->name.empty() && type->name == "char") { /* String, hence random (arbitrary ?) size */ + if (real_area1 == real_area2) + return -1; + else + return MC_snapshot_region_memcmp(real_area1, heap_region1, real_area2, heap_region2, area_size) != 0; + } else { + if (area_size != -1 && type->byte_size != area_size) + return -1; + else + return MC_snapshot_region_memcmp(real_area1, heap_region1, real_area2, heap_region2, type->byte_size) != 0; + } - case DW_TAG_base_type: - case DW_TAG_enumeration_type: - case DW_TAG_pointer_type: - case DW_TAG_reference_type: - case DW_TAG_rvalue_reference_type: - case DW_TAG_structure_type: - case DW_TAG_class_type: - case DW_TAG_union_type: - if (subtype->full_type) - subtype = subtype->full_type; - elm_size = subtype->byte_size; - break; - // TODO, just remove the type indirection? - case DW_TAG_const_type: - case DW_TAG_typedef: - case DW_TAG_volatile_type: - subsubtype = subtype->subtype; - if (subsubtype->full_type) - subsubtype = subsubtype->full_type; - elm_size = subsubtype->byte_size; - break; - default: - return 0; - break; - } - for (int i = 0; i < type->element_count; i++) { - // TODO, add support for variable stride (DW_AT_byte_stride) - res = - compare_heap_area_with_type(state, process_index, - (char *) real_area1 + (i * elm_size), - (char *) real_area2 + (i * elm_size), - snapshot1, snapshot2, previous, - type->subtype, subtype->byte_size, - check_ignore, pointer_level); - if (res == 1) - return res; - } - return 0; + case DW_TAG_enumeration_type: + if (area_size != -1 && type->byte_size != area_size) + return -1; + return MC_snapshot_region_memcmp(real_area1, heap_region1, real_area2, heap_region2, type->byte_size) != 0; - case DW_TAG_reference_type: - case DW_TAG_rvalue_reference_type: - case DW_TAG_pointer_type: - if (type->subtype && type->subtype->type == DW_TAG_subroutine_type) { - addr_pointed1 = snapshot1->read(remote((void**)real_area1), process_index); - addr_pointed2 = snapshot2->read(remote((void**)real_area2), process_index); - return (addr_pointed1 != addr_pointed2); - } - pointer_level++; - if (pointer_level <= 1) { - addr_pointed1 = snapshot1->read(remote((void**)real_area1), process_index); - addr_pointed2 = snapshot2->read(remote((void**)real_area2), process_index); - if (addr_pointed1 > state.std_heap_copy.heapbase - && addr_pointed1 < mc_snapshot_get_heap_end(snapshot1) - && addr_pointed2 > state.std_heap_copy.heapbase - && addr_pointed2 < mc_snapshot_get_heap_end(snapshot2)) - return compare_heap_area(state, process_index, - addr_pointed1, addr_pointed2, snapshot1, - snapshot2, previous, type->subtype, - pointer_level); - else - return (addr_pointed1 != addr_pointed2); - } - for (size_t i = 0; i < (area_size / sizeof(void *)); i++) { - addr_pointed1 = snapshot1->read( - remote((void**)((char*) real_area1 + i * sizeof(void *))), - process_index); - addr_pointed2 = snapshot2->read( - remote((void**)((char*) real_area2 + i * sizeof(void *))), - process_index); - if (addr_pointed1 > state.std_heap_copy.heapbase - && addr_pointed1 < mc_snapshot_get_heap_end(snapshot1) - && addr_pointed2 > state.std_heap_copy.heapbase - && addr_pointed2 < mc_snapshot_get_heap_end(snapshot2)) - res = - compare_heap_area(state, process_index, - addr_pointed1, addr_pointed2, snapshot1, - snapshot2, previous, type->subtype, - pointer_level); - else - res = (addr_pointed1 != addr_pointed2); - if (res == 1) - return res; - } - return 0; + case DW_TAG_typedef: + case DW_TAG_const_type: + case DW_TAG_volatile_type: + // Poor man's TCO: + type = type->subtype; + continue; // restart + + case DW_TAG_array_type: + subtype = type->subtype; + switch (subtype->type) { + case DW_TAG_unspecified_type: + return 1; + + case DW_TAG_base_type: + case DW_TAG_enumeration_type: + case DW_TAG_pointer_type: + case DW_TAG_reference_type: + case DW_TAG_rvalue_reference_type: + case DW_TAG_structure_type: + case DW_TAG_class_type: + case DW_TAG_union_type: + if (subtype->full_type) + subtype = subtype->full_type; + elm_size = subtype->byte_size; + break; + // TODO, just remove the type indirection? + case DW_TAG_const_type: + case DW_TAG_typedef: + case DW_TAG_volatile_type: + subsubtype = subtype->subtype; + if (subsubtype->full_type) + subsubtype = subsubtype->full_type; + elm_size = subsubtype->byte_size; + break; + default: + return 0; + } + for (int i = 0; i < type->element_count; i++) { + // TODO, add support for variable stride (DW_AT_byte_stride) + int res = compare_heap_area_with_type(state, process_index, (char*)real_area1 + (i * elm_size), + (char*)real_area2 + (i * elm_size), snapshot1, snapshot2, previous, + type->subtype, subtype->byte_size, check_ignore, pointer_level); + if (res == 1) + return res; + } + return 0; - case DW_TAG_structure_type: - case DW_TAG_class_type: - if (type->full_type) - type = type->full_type; - if (area_size != -1 && type->byte_size != area_size) { - if (area_size <= type->byte_size || area_size % type->byte_size != 0) - return -1; - for (size_t i = 0; i < (size_t)(area_size / type->byte_size); i++) { - int res = compare_heap_area_with_type(state, process_index, - (char *) real_area1 + i * type->byte_size, - (char *) real_area2 + i * type->byte_size, - snapshot1, snapshot2, previous, type, -1, - check_ignore, 0); - if (res == 1) - return res; - } - } else { - for (simgrid::mc::Member& member : type->members) { - // TODO, optimize this? (for the offset case) - void *real_member1 = simgrid::dwarf::resolve_member( - real_area1, type, &member, (simgrid::mc::AddressSpace*) snapshot1, process_index); - void *real_member2 = simgrid::dwarf::resolve_member( - real_area2, type, &member, (simgrid::mc::AddressSpace*) snapshot2, process_index); - int res = compare_heap_area_with_type( - state, process_index, real_member1, real_member2, - snapshot1, snapshot2, - previous, member.type, -1, - check_ignore, 0); - if (res == 1) - return res; - } - } - return 0; + case DW_TAG_reference_type: + case DW_TAG_rvalue_reference_type: + case DW_TAG_pointer_type: + if (type->subtype && type->subtype->type == DW_TAG_subroutine_type) { + addr_pointed1 = snapshot1->read(remote((void**)real_area1), process_index); + addr_pointed2 = snapshot2->read(remote((void**)real_area2), process_index); + return (addr_pointed1 != addr_pointed2); + } + pointer_level++; + if (pointer_level <= 1) { + addr_pointed1 = snapshot1->read(remote((void**)real_area1), process_index); + addr_pointed2 = snapshot2->read(remote((void**)real_area2), process_index); + if (addr_pointed1 > state.std_heap_copy.heapbase && addr_pointed1 < mc_snapshot_get_heap_end(snapshot1) && + addr_pointed2 > state.std_heap_copy.heapbase && addr_pointed2 < mc_snapshot_get_heap_end(snapshot2)) + return compare_heap_area(state, process_index, addr_pointed1, addr_pointed2, snapshot1, snapshot2, previous, + type->subtype, pointer_level); + else + return (addr_pointed1 != addr_pointed2); + } + for (size_t i = 0; i < (area_size / sizeof(void*)); i++) { + addr_pointed1 = snapshot1->read(remote((void**)((char*)real_area1 + i * sizeof(void*))), process_index); + addr_pointed2 = snapshot2->read(remote((void**)((char*)real_area2 + i * sizeof(void*))), process_index); + int res; + if (addr_pointed1 > state.std_heap_copy.heapbase && addr_pointed1 < mc_snapshot_get_heap_end(snapshot1) && + addr_pointed2 > state.std_heap_copy.heapbase && addr_pointed2 < mc_snapshot_get_heap_end(snapshot2)) + res = compare_heap_area(state, process_index, addr_pointed1, addr_pointed2, snapshot1, snapshot2, previous, + type->subtype, pointer_level); + else + res = (addr_pointed1 != addr_pointed2); + if (res == 1) + return res; + } + return 0; - case DW_TAG_union_type: - return compare_heap_area_without_type(state, process_index, real_area1, real_area2, - snapshot1, snapshot2, previous, - type->byte_size, check_ignore); + case DW_TAG_structure_type: + case DW_TAG_class_type: + if (type->full_type) + type = type->full_type; + if (area_size != -1 && type->byte_size != area_size) { + if (area_size <= type->byte_size || area_size % type->byte_size != 0) + return -1; + for (size_t i = 0; i < (size_t)(area_size / type->byte_size); i++) { + int res = compare_heap_area_with_type(state, process_index, (char*)real_area1 + i * type->byte_size, + (char*)real_area2 + i * type->byte_size, snapshot1, snapshot2, + previous, type, -1, check_ignore, 0); + if (res == 1) + return res; + } + } else { + for (simgrid::mc::Member& member : type->members) { + // TODO, optimize this? (for the offset case) + void* real_member1 = simgrid::dwarf::resolve_member(real_area1, type, &member, + (simgrid::mc::AddressSpace*)snapshot1, process_index); + void* real_member2 = simgrid::dwarf::resolve_member(real_area2, type, &member, + (simgrid::mc::AddressSpace*)snapshot2, process_index); + int res = compare_heap_area_with_type(state, process_index, real_member1, real_member2, snapshot1, + snapshot2, previous, member.type, -1, check_ignore, 0); + if (res == 1) + return res; + } + } + return 0; - default: - return 0; - } + case DW_TAG_union_type: + return compare_heap_area_without_type(state, process_index, real_area1, real_area2, snapshot1, snapshot2, + previous, type->byte_size, check_ignore); - xbt_die("Unreachable"); + default: + return 0; + } + + xbt_die("Unreachable"); + } while (true); } /** Infer the type of a part of the block from the type of the block @@ -1028,8 +956,8 @@ int compare_heap_area(simgrid::mc::StateComparator& state, int process_index, } - mc_mem_region_t heap_region1 = MC_get_heap_region(snapshot1); - mc_mem_region_t heap_region2 = MC_get_heap_region(snapshot2); + simgrid::mc::RegionSnapshot* heap_region1 = MC_get_heap_region(snapshot1); + simgrid::mc::RegionSnapshot* heap_region2 = MC_get_heap_region(snapshot2); const malloc_info* heapinfo1 = (const malloc_info*) MC_region_read( heap_region1, &heapinfo_temp1, &heapinfos1[block1], sizeof(malloc_info)); @@ -1056,14 +984,12 @@ int compare_heap_area(simgrid::mc::StateComparator& state, int process_index, return 0; } - if (type_size != -1) { - if (type_size != (ssize_t) heapinfo1->busy_block.busy_size - && type_size != (ssize_t) heapinfo2->busy_block.busy_size - && (type->name.empty() || type->name == "struct s_smx_context")) { - if (match_pairs) - state.match_equals(previous); - return -1; - } + if (type_size != -1 && type_size != (ssize_t)heapinfo1->busy_block.busy_size && + type_size != (ssize_t)heapinfo2->busy_block.busy_size && + (type->name.empty() || type->name == "struct s_smx_context")) { + if (match_pairs) + state.match_equals(previous); + return -1; } if (heapinfo1->busy_block.size != heapinfo2->busy_block.size) @@ -1123,12 +1049,11 @@ int compare_heap_area(simgrid::mc::StateComparator& state, int process_index, } // Check if the blocks are already matched together: - if (state.equals_to1_(block1, frag1).valid_ && state.equals_to2_(block2, frag2).valid_) { - if (offset1==offset2 && state.fragmentsEqual(block1, frag1, block2, frag2)) { - if (match_pairs) - state.match_equals(previous); - return 0; - } + if (state.equals_to1_(block1, frag1).valid_ && state.equals_to2_(block2, frag2).valid_ && offset1 == offset2 && + state.fragmentsEqual(block1, frag1, block2, frag2)) { + if (match_pairs) + state.match_equals(previous); + return 0; } // Compare the size of both fragments: if (heapinfo1->busy_frag.frag_size[frag1] != heapinfo2->busy_frag.frag_size[frag2]) { @@ -1249,11 +1174,10 @@ int compare_heap_area(simgrid::mc::StateComparator& state, int process_index, /************************** Snapshot comparison *******************************/ /******************************************************************************/ -static int compare_areas_with_type(simgrid::mc::StateComparator& state, - int process_index, - void* real_area1, simgrid::mc::Snapshot* snapshot1, mc_mem_region_t region1, - void* real_area2, simgrid::mc::Snapshot* snapshot2, mc_mem_region_t region2, - simgrid::mc::Type* type, int pointer_level) +static int compare_areas_with_type(simgrid::mc::StateComparator& state, int process_index, void* real_area1, + simgrid::mc::Snapshot* snapshot1, simgrid::mc::RegionSnapshot* region1, + void* real_area2, simgrid::mc::Snapshot* snapshot2, + simgrid::mc::RegionSnapshot* region2, simgrid::mc::Type* type, int pointer_level) { simgrid::mc::RemoteClient* process = &mc_model_checker->process(); @@ -1263,144 +1187,132 @@ static int compare_areas_with_type(simgrid::mc::StateComparator& state, int i; int res; - top: - switch (type->type) { - case DW_TAG_unspecified_type: - return 1; - - case DW_TAG_base_type: - case DW_TAG_enumeration_type: - case DW_TAG_union_type: - return MC_snapshot_region_memcmp(real_area1, region1, real_area2, region2, type->byte_size) != 0; - case DW_TAG_typedef: - case DW_TAG_volatile_type: - case DW_TAG_const_type: - // Poor man's TCO: - type = type->subtype; - goto top; - case DW_TAG_array_type: - subtype = type->subtype; - switch (subtype->type) { - case DW_TAG_unspecified_type: - return 1; - - case DW_TAG_base_type: - case DW_TAG_enumeration_type: - case DW_TAG_pointer_type: - case DW_TAG_reference_type: - case DW_TAG_rvalue_reference_type: - case DW_TAG_structure_type: - case DW_TAG_class_type: - case DW_TAG_union_type: - if (subtype->full_type) - subtype = subtype->full_type; - elm_size = subtype->byte_size; - break; - case DW_TAG_const_type: - case DW_TAG_typedef: - case DW_TAG_volatile_type: - subsubtype = subtype->subtype; - if (subsubtype->full_type) - subsubtype = subsubtype->full_type; - elm_size = subsubtype->byte_size; - break; - default: - return 0; - break; - } - for (i = 0; i < type->element_count; i++) { - size_t off = i * elm_size; - res = compare_areas_with_type(state, process_index, - (char*) real_area1 + off, snapshot1, region1, - (char*) real_area2 + off, snapshot2, region2, - type->subtype, pointer_level); - if (res == 1) - return res; - } - break; - case DW_TAG_pointer_type: - case DW_TAG_reference_type: - case DW_TAG_rvalue_reference_type: - { - void* addr_pointed1 = MC_region_read_pointer(region1, real_area1); - void* addr_pointed2 = MC_region_read_pointer(region2, real_area2); - - if (type->subtype && type->subtype->type == DW_TAG_subroutine_type) - return (addr_pointed1 != addr_pointed2); - if (addr_pointed1 == nullptr && addr_pointed2 == nullptr) - return 0; - if (addr_pointed1 == nullptr || addr_pointed2 == nullptr) - return 1; - if (not state.compared_pointers.insert(std::make_pair(addr_pointed1, addr_pointed2)).second) - return 0; - - pointer_level++; - - // Some cases are not handled here: - // * the pointers lead to different areas (one to the heap, the other to the RW segment ...) - // * a pointer leads to the read-only segment of the current object - // * a pointer lead to a different ELF object - - if (addr_pointed1 > process->heap_address && addr_pointed1 < mc_snapshot_get_heap_end(snapshot1)) { - if (not(addr_pointed2 > process->heap_address && addr_pointed2 < mc_snapshot_get_heap_end(snapshot2))) + do { + xbt_assert(type != nullptr); + switch (type->type) { + case DW_TAG_unspecified_type: return 1; - // The pointers are both in the heap: - return simgrid::mc::compare_heap_area(state, process_index, addr_pointed1, addr_pointed2, snapshot1, snapshot2, - nullptr, type->subtype, pointer_level); - } else if (region1->contain(simgrid::mc::remote(addr_pointed1))) { - // The pointers are both in the current object R/W segment: - if (not region2->contain(simgrid::mc::remote(addr_pointed2))) - return 1; - if (not type->type_id) - return (addr_pointed1 != addr_pointed2); - else - return compare_areas_with_type(state, process_index, addr_pointed1, snapshot1, region1, addr_pointed2, - snapshot2, region2, type->subtype, pointer_level); - } else { - - // TODO, We do not handle very well the case where - // it belongs to a different (non-heap) region from the current one. - - return (addr_pointed1 != addr_pointed2); - } - break; - } - case DW_TAG_structure_type: - case DW_TAG_class_type: - for (simgrid::mc::Member& member : type->members) { - void *member1 = simgrid::dwarf::resolve_member( - real_area1, type, &member, snapshot1, process_index); - void *member2 = simgrid::dwarf::resolve_member( - real_area2, type, &member, snapshot2, process_index); - mc_mem_region_t subregion1 = mc_get_region_hinted(member1, snapshot1, process_index, region1); - mc_mem_region_t subregion2 = mc_get_region_hinted(member2, snapshot2, process_index, region2); - res = - compare_areas_with_type(state, process_index, - member1, snapshot1, subregion1, - member2, snapshot2, subregion2, - member.type, pointer_level); - if (res == 1) - return res; + case DW_TAG_base_type: + case DW_TAG_enumeration_type: + case DW_TAG_union_type: + return MC_snapshot_region_memcmp(real_area1, region1, real_area2, region2, type->byte_size) != 0; + case DW_TAG_typedef: + case DW_TAG_volatile_type: + case DW_TAG_const_type: + // Poor man's TCO: + type = type->subtype; + continue; // restart + case DW_TAG_array_type: + subtype = type->subtype; + switch (subtype->type) { + case DW_TAG_unspecified_type: + return 1; + + case DW_TAG_base_type: + case DW_TAG_enumeration_type: + case DW_TAG_pointer_type: + case DW_TAG_reference_type: + case DW_TAG_rvalue_reference_type: + case DW_TAG_structure_type: + case DW_TAG_class_type: + case DW_TAG_union_type: + if (subtype->full_type) + subtype = subtype->full_type; + elm_size = subtype->byte_size; + break; + case DW_TAG_const_type: + case DW_TAG_typedef: + case DW_TAG_volatile_type: + subsubtype = subtype->subtype; + if (subsubtype->full_type) + subsubtype = subsubtype->full_type; + elm_size = subsubtype->byte_size; + break; + default: + return 0; + } + for (i = 0; i < type->element_count; i++) { + size_t off = i * elm_size; + res = compare_areas_with_type(state, process_index, (char*)real_area1 + off, snapshot1, region1, + (char*)real_area2 + off, snapshot2, region2, type->subtype, pointer_level); + if (res == 1) + return res; + } + break; + case DW_TAG_pointer_type: + case DW_TAG_reference_type: + case DW_TAG_rvalue_reference_type: { + void* addr_pointed1 = MC_region_read_pointer(region1, real_area1); + void* addr_pointed2 = MC_region_read_pointer(region2, real_area2); + + if (type->subtype && type->subtype->type == DW_TAG_subroutine_type) + return (addr_pointed1 != addr_pointed2); + if (addr_pointed1 == nullptr && addr_pointed2 == nullptr) + return 0; + if (addr_pointed1 == nullptr || addr_pointed2 == nullptr) + return 1; + if (not state.compared_pointers.insert(std::make_pair(addr_pointed1, addr_pointed2)).second) + return 0; + + pointer_level++; + + // Some cases are not handled here: + // * the pointers lead to different areas (one to the heap, the other to the RW segment ...) + // * a pointer leads to the read-only segment of the current object + // * a pointer lead to a different ELF object + + if (addr_pointed1 > process->heap_address && addr_pointed1 < mc_snapshot_get_heap_end(snapshot1)) { + if (not(addr_pointed2 > process->heap_address && addr_pointed2 < mc_snapshot_get_heap_end(snapshot2))) + return 1; + // The pointers are both in the heap: + return simgrid::mc::compare_heap_area(state, process_index, addr_pointed1, addr_pointed2, snapshot1, + snapshot2, nullptr, type->subtype, pointer_level); + + } else if (region1->contain(simgrid::mc::remote(addr_pointed1))) { + // The pointers are both in the current object R/W segment: + if (not region2->contain(simgrid::mc::remote(addr_pointed2))) + return 1; + if (not type->type_id) + return (addr_pointed1 != addr_pointed2); + else + return compare_areas_with_type(state, process_index, addr_pointed1, snapshot1, region1, addr_pointed2, + snapshot2, region2, type->subtype, pointer_level); + } else { + + // TODO, We do not handle very well the case where + // it belongs to a different (non-heap) region from the current one. + + return (addr_pointed1 != addr_pointed2); + } + } + case DW_TAG_structure_type: + case DW_TAG_class_type: + for (simgrid::mc::Member& member : type->members) { + void* member1 = simgrid::dwarf::resolve_member(real_area1, type, &member, snapshot1, process_index); + void* member2 = simgrid::dwarf::resolve_member(real_area2, type, &member, snapshot2, process_index); + simgrid::mc::RegionSnapshot* subregion1 = snapshot1->get_region(member1, process_index, region1); // region1 is hinted + simgrid::mc::RegionSnapshot* subregion2 = snapshot2->get_region(member2, process_index, region2); // region2 is hinted + res = compare_areas_with_type(state, process_index, member1, snapshot1, subregion1, member2, snapshot2, + subregion2, member.type, pointer_level); + if (res == 1) + return res; + } + break; + case DW_TAG_subroutine_type: + return -1; + default: + XBT_VERB("Unknown case: %d", type->type); + break; } - break; - case DW_TAG_subroutine_type: - return -1; - break; - default: - XBT_VERB("Unknown case: %d", type->type); - break; - } - return 0; + return 0; + } while (true); } -static int compare_global_variables( - simgrid::mc::StateComparator& state, - simgrid::mc::ObjectInformation* object_info, - int process_index, - mc_mem_region_t r1, mc_mem_region_t r2, - simgrid::mc::Snapshot* snapshot1, simgrid::mc::Snapshot* snapshot2) +static int compare_global_variables(simgrid::mc::StateComparator& state, simgrid::mc::ObjectInformation* object_info, + int process_index, simgrid::mc::RegionSnapshot* r1, simgrid::mc::RegionSnapshot* r2, + simgrid::mc::Snapshot* snapshot1, simgrid::mc::Snapshot* snapshot2) { xbt_assert(r1 && r2, "Missing region."); @@ -1415,12 +1327,9 @@ static int compare_global_variables( && process_count == r2->privatized_data().size()); // Compare the global variables separately for each simulates process: - for (size_t process_index = 0; process_index < process_count; process_index++) { - if (compare_global_variables(state, - object_info, process_index, - &r1->privatized_data()[process_index], - &r2->privatized_data()[process_index], - snapshot1, snapshot2)) + for (size_t i = 0; i < process_count; i++) { + if (compare_global_variables(state, object_info, i, &r1->privatized_data()[i], &r2->privatized_data()[i], + snapshot1, snapshot2)) return 1; } return 0; @@ -1492,10 +1401,10 @@ static int compare_local_variables(simgrid::mc::StateComparator& state, // TODO, fix current_varX->subprogram->name to include name if DW_TAG_inlined_subprogram simgrid::mc::Type* subtype = current_var1->type; - int res = compare_areas_with_type( - state, process_index, current_var1->address, snapshot1, - mc_get_snapshot_region(current_var1->address, snapshot1, process_index), current_var2->address, snapshot2, - mc_get_snapshot_region(current_var2->address, snapshot2, process_index), subtype, 0); + int res = + compare_areas_with_type(state, process_index, current_var1->address, snapshot1, + snapshot1->get_region(current_var1->address, process_index), current_var2->address, + snapshot2, snapshot2->get_region(current_var2->address, process_index), subtype, 0); if (res == 1) { // TODO, fix current_varX->subprogram->name to include name if DW_TAG_inlined_subprogram @@ -1515,50 +1424,52 @@ namespace mc { static std::unique_ptr state_comparator; -int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc::Snapshot* s2) +int snapshot_compare(Snapshot* s1, Snapshot* s2) { // TODO, make this a field of ModelChecker or something similar - if (state_comparator == nullptr) - state_comparator = std::unique_ptr(new StateComparator()); + state_comparator.reset(new StateComparator()); else state_comparator->clear(); - simgrid::mc::RemoteClient* process = &mc_model_checker->process(); + RemoteClient* process = &mc_model_checker->process(); int errors = 0; int hash_result = 0; if (_sg_mc_hash) { - hash_result = (s1->hash != s2->hash); + hash_result = (s1->hash_ != s2->hash_); if (hash_result) { - XBT_VERB("(%d - %d) Different hash: 0x%" PRIx64 "--0x%" PRIx64, num1, num2, s1->hash, s2->hash); + XBT_VERB("(%d - %d) Different hash: 0x%" PRIx64 "--0x%" PRIx64, s1->num_state_, s2->num_state_, s1->hash_, + s2->hash_); #ifndef MC_DEBUG return 1; #endif } else - XBT_VERB("(%d - %d) Same hash: 0x%" PRIx64, num1, num2, s1->hash); + XBT_VERB("(%d - %d) Same hash: 0x%" PRIx64, s1->num_state_, s2->num_state_, s1->hash_); } /* Compare enabled processes */ - if (s1->enabled_processes != s2->enabled_processes) { - XBT_VERB("(%d - %d) Different amount of enabled processes", num1, num2); + if (s1->enabled_processes_ != s2->enabled_processes_) { + XBT_VERB("(%d - %d) Different amount of enabled processes", s1->num_state_, s2->num_state_); return 1; } /* Compare size of stacks */ int is_diff = 0; - for (unsigned long i = 0; i < s1->stacks.size(); i++) { - size_t size_used1 = s1->stack_sizes[i]; - size_t size_used2 = s2->stack_sizes[i]; + for (unsigned long i = 0; i < s1->stacks_.size(); i++) { + size_t size_used1 = s1->stack_sizes_[i]; + size_t size_used2 = s2->stack_sizes_[i]; if (size_used1 != size_used2) { #ifdef MC_DEBUG - XBT_DEBUG("(%d - %d) Different size used in stacks: %zu - %zu", num1, num2, size_used1, size_used2); + XBT_DEBUG("(%d - %d) Different size used in stacks: %zu - %zu", s1->num_state, s2->num_state, size_used1, + size_used2); errors++; is_diff = 1; #else #ifdef MC_VERBOSE - XBT_VERB("(%d - %d) Different size used in stacks: %zu - %zu", num1, num2, size_used1, size_used2); + XBT_VERB("(%d - %d) Different size used in stacks: %zu - %zu", s1->num_state_, s2->num_state_, size_used1, + size_used2); #endif return 1; #endif @@ -1576,15 +1487,15 @@ int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc: alloca(sizeof(struct mdesc)), sizeof(struct mdesc), remote(process->heap_address), simgrid::mc::ProcessIndexMissing, simgrid::mc::ReadOptions::lazy()); - int res_init = state_comparator->initHeapInformation(heap1, heap2, &s1->to_ignore, &s2->to_ignore); + int res_init = state_comparator->initHeapInformation(heap1, heap2, &s1->to_ignore_, &s2->to_ignore_); if (res_init == -1) { #ifdef MC_DEBUG - XBT_DEBUG("(%d - %d) Different heap information", num1, num2); + XBT_DEBUG("(%d - %d) Different heap information", num1, nus1->num_state, s2->num_statem2); errors++; #else #ifdef MC_VERBOSE - XBT_VERB("(%d - %d) Different heap information", num1, num2); + XBT_VERB("(%d - %d) Different heap information", s1->num_state_, s2->num_state_); #endif return 1; @@ -1593,14 +1504,14 @@ int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc: /* Stacks comparison */ int diff_local = 0; - for (unsigned int cursor = 0; cursor < s1->stacks.size(); cursor++) { - mc_snapshot_stack_t stack1 = &s1->stacks[cursor]; - mc_snapshot_stack_t stack2 = &s2->stacks[cursor]; + for (unsigned int cursor = 0; cursor < s1->stacks_.size(); cursor++) { + mc_snapshot_stack_t stack1 = &s1->stacks_[cursor]; + mc_snapshot_stack_t stack2 = &s2->stacks_[cursor]; if (stack1->process_index != stack2->process_index) { diff_local = 1; - XBT_DEBUG("(%d - %d) Stacks with different process index (%i vs %i)", num1, num2, - stack1->process_index, stack2->process_index); + XBT_DEBUG("(%d - %d) Stacks with different process index (%i vs %i)", s1->num_state_, s2->num_state_, + stack1->process_index, stack2->process_index); } else diff_local = compare_local_variables(*state_comparator, stack1->process_index, s1, s2, stack1, stack2); @@ -1612,7 +1523,7 @@ int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc: #else #ifdef MC_VERBOSE - XBT_VERB("(%d - %d) Different local variables between stacks %u", num1, num2, cursor + 1); + XBT_VERB("(%d - %d) Different local variables between stacks %u", s1->num_state_, s2->num_state_, cursor + 1); #endif return 1; @@ -1620,36 +1531,34 @@ int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc: } } - size_t regions_count = s1->snapshot_regions.size(); + size_t regions_count = s1->snapshot_regions_.size(); // TODO, raise a difference instead? - xbt_assert(regions_count == s2->snapshot_regions.size()); + xbt_assert(regions_count == s2->snapshot_regions_.size()); for (size_t k = 0; k != regions_count; ++k) { - mc_mem_region_t region1 = s1->snapshot_regions[k].get(); - mc_mem_region_t region2 = s2->snapshot_regions[k].get(); + RegionSnapshot* region1 = s1->snapshot_regions_[k].get(); + RegionSnapshot* region2 = s2->snapshot_regions_[k].get(); // Preconditions: - if (region1->region_type() != simgrid::mc::RegionType::Data) + if (region1->region_type() != RegionType::Data) continue; xbt_assert(region1->region_type() == region2->region_type()); xbt_assert(region1->object_info() == region2->object_info()); xbt_assert(region1->object_info()); - std::string const& name = region1->object_info()->file_name; - /* Compare global variables */ if (compare_global_variables(*state_comparator, region1->object_info(), simgrid::mc::ProcessIndexDisabled, region1, region2, s1, s2)) { #ifdef MC_DEBUG - XBT_DEBUG("(%d - %d) Different global variables in %s", - num1, num2, name.c_str()); + std::string const& name = region1->object_info()->file_name; + XBT_DEBUG("(%d - %d) Different global variables in %s", s1->num_state, s2->num_state, name.c_str()); errors++; #else #ifdef MC_VERBOSE - XBT_VERB("(%d - %d) Different global variables in %s", - num1, num2, name.c_str()); + std::string const& name = region1->object_info()->file_name; + XBT_VERB("(%d - %d) Different global variables in %s", s1->num_state_, s2->num_state_, name.c_str()); #endif return 1; @@ -1658,15 +1567,15 @@ int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc: } /* Compare heap */ - if (simgrid::mc::mmalloc_compare_heap(*state_comparator, s1, s2) > 0) { + if (mmalloc_compare_heap(*state_comparator, s1, s2) > 0) { #ifdef MC_DEBUG - XBT_DEBUG("(%d - %d) Different heap (mmalloc_compare)", num1, num2); + XBT_DEBUG("(%d - %d) Different heap (mmalloc_compare)", s1->num_state, s2->num_state); errors++; #else #ifdef MC_VERBOSE - XBT_VERB("(%d - %d) Different heap (mmalloc_compare)", num1, num2); + XBT_VERB("(%d - %d) Different heap (mmalloc_compare)", s1->num_state_, s2->num_state_); #endif return 1; #endif @@ -1674,9 +1583,9 @@ int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc: #ifdef MC_VERBOSE if (errors || hash_result) - XBT_VERB("(%d - %d) Difference found", num1, num2); + XBT_VERB("(%d - %d) Difference found", s1->num_state_, s2->num_state_); else - XBT_VERB("(%d - %d) No difference found", num1, num2); + XBT_VERB("(%d - %d) No difference found", s1->num_state_, s2->num_state_); #endif #if defined(MC_DEBUG) && defined(MC_VERBOSE) @@ -1684,7 +1593,7 @@ int snapshot_compare(int num1, simgrid::mc::Snapshot* s1, int num2, simgrid::mc: // * false positive SHOULD be avoided. // * There MUST not be any false negative. - XBT_VERB("(%d - %d) State equality hash test is %s %s", num1, num2, + XBT_VERB("(%d - %d) State equality hash test is %s %s", s1->num_state, s2->num_state, (hash_result != 0) == (errors != 0) ? "true" : "false", not hash_result ? "positive" : "negative"); } #endif