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[sonar] Convert integer literals to bool literals.
[simgrid.git] / src / mc / compare.cpp
index a93c6d1..70c2982 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2008-2020. 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. */
@@ -60,7 +60,7 @@ public:
   std::vector<Type*> types;
   std::size_t heapsize = 0;
 
-  void initHeapInformation(xbt_mheap_t heap, const std::vector<IgnoredHeapRegion>& i);
+  void initHeapInformation(const s_xbt_mheap_t* heap, const std::vector<IgnoredHeapRegion>& i);
 };
 
 class StateComparator {
@@ -77,8 +77,8 @@ public:
     compared_pointers.clear();
   }
 
-  int initHeapInformation(xbt_mheap_t heap1, xbt_mheap_t heap2, const std::vector<IgnoredHeapRegion>& i1,
-                          const std::vector<IgnoredHeapRegion>& i2);
+  int initHeapInformation(const s_xbt_mheap_t* heap1, const s_xbt_mheap_t* heap2,
+                          const std::vector<IgnoredHeapRegion>& i1, const std::vector<IgnoredHeapRegion>& i2);
 
   template <int rank> HeapArea& equals_to_(std::size_t i, std::size_t j)
   {
@@ -123,7 +123,7 @@ public:
            this->equals_to_<2>(b2, f2).block_ == b1 && this->equals_to_<2>(b2, f2).fragment_ == f1;
   }
 
-  void match_equals(HeapLocationPairs* list);
+  void match_equals(const HeapLocationPairs* list);
 };
 
 } // namespace mc
@@ -153,7 +153,7 @@ static ssize_t heap_comparison_ignore_size(const std::vector<simgrid::mc::Ignore
 
 static bool is_stack(const void *address)
 {
-  for (auto const& stack : mc_model_checker->process().stack_areas())
+  for (auto const& stack : mc_model_checker->get_remote_simulation().stack_areas())
     if (address == stack.address)
       return true;
   return false;
@@ -162,7 +162,7 @@ static bool is_stack(const void *address)
 // TODO, this should depend on the snapshot?
 static bool is_block_stack(int block)
 {
-  for (auto const& stack : mc_model_checker->process().stack_areas())
+  for (auto const& stack : mc_model_checker->get_remote_simulation().stack_areas())
     if (block == stack.block)
       return true;
   return false;
@@ -171,7 +171,7 @@ static bool is_block_stack(int block)
 namespace simgrid {
 namespace mc {
 
-void StateComparator::match_equals(HeapLocationPairs* list)
+void StateComparator::match_equals(const HeapLocationPairs* list)
 {
   for (auto const& pair : *list) {
     if (pair[0].fragment_ != -1) {
@@ -184,7 +184,7 @@ void StateComparator::match_equals(HeapLocationPairs* list)
   }
 }
 
-void ProcessComparisonState::initHeapInformation(xbt_mheap_t heap, const std::vector<IgnoredHeapRegion>& i)
+void ProcessComparisonState::initHeapInformation(const s_xbt_mheap_t* heap, const std::vector<IgnoredHeapRegion>& i)
 {
   auto heaplimit  = heap->heaplimit;
   this->heapsize  = heap->heapsize;
@@ -193,13 +193,14 @@ void ProcessComparisonState::initHeapInformation(xbt_mheap_t heap, const std::ve
   this->types.assign(heaplimit * MAX_FRAGMENT_PER_BLOCK, nullptr);
 }
 
-int StateComparator::initHeapInformation(xbt_mheap_t heap1, xbt_mheap_t heap2, const std::vector<IgnoredHeapRegion>& i1,
+int StateComparator::initHeapInformation(const s_xbt_mheap_t* heap1, const s_xbt_mheap_t* heap2,
+                                         const std::vector<IgnoredHeapRegion>& i1,
                                          const std::vector<IgnoredHeapRegion>& i2)
 {
   if ((heap1->heaplimit != heap2->heaplimit) || (heap1->heapsize != heap2->heapsize))
     return -1;
   this->heaplimit     = heap1->heaplimit;
-  this->std_heap_copy = *mc_model_checker->process().get_heap();
+  this->std_heap_copy = *mc_model_checker->get_remote_simulation().get_heap();
   this->processStates[0].initHeapInformation(heap1, i1);
   this->processStates[1].initHeapInformation(heap2, i2);
   return 0;
@@ -219,7 +220,7 @@ static bool heap_area_differ(StateComparator& state, const void* area1, const vo
 
 static bool mmalloc_heap_differ(StateComparator& state, const Snapshot& snapshot1, const Snapshot& snapshot2)
 {
-  const RemoteClient& process = mc_model_checker->process();
+  const RemoteSimulation& process = mc_model_checker->get_remote_simulation();
 
   /* Check busy blocks */
   size_t i1 = 1;
@@ -228,8 +229,8 @@ static bool mmalloc_heap_differ(StateComparator& state, const Snapshot& snapshot
   malloc_info heapinfo_temp2;
   malloc_info heapinfo_temp2b;
 
-  Region* heap_region1 = MC_get_heap_region(snapshot1);
-  Region* heap_region2 = MC_get_heap_region(snapshot2);
+  const Region* heap_region1 = MC_get_heap_region(snapshot1);
+  const Region* 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;
@@ -251,7 +252,7 @@ static bool mmalloc_heap_differ(StateComparator& state, const Snapshot& snapshot
       continue;
     }
 
-    xbt_assert(heapinfo1->type >= 0, "Unkown mmalloc block type: %d", heapinfo1->type);
+    xbt_assert(heapinfo1->type >= 0, "Unknown mmalloc block type: %d", heapinfo1->type);
 
     void* addr_block1 = ((void*)(((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase));
 
@@ -358,7 +359,7 @@ static bool mmalloc_heap_differ(StateComparator& state, const Snapshot& snapshot
             continue;
           }
 
-          xbt_assert(heapinfo2b->type >= 0, "Unkown mmalloc block type: %d", heapinfo2b->type);
+          xbt_assert(heapinfo2b->type >= 0, "Unknown mmalloc block type: %d", heapinfo2b->type);
 
           for (size_t j2 = 0; j2 < (size_t)(BLOCKSIZE >> heapinfo2b->type); j2++) {
             if (i2 == i1 && j2 == j1)
@@ -447,9 +448,9 @@ static bool heap_area_differ_without_type(StateComparator& state, const void* re
                                           const Snapshot& snapshot1, const Snapshot& snapshot2,
                                           HeapLocationPairs* previous, int size, int check_ignore)
 {
-  const RemoteClient& process = mc_model_checker->process();
-  Region* heap_region1        = MC_get_heap_region(snapshot1);
-  Region* heap_region2        = MC_get_heap_region(snapshot2);
+  const RemoteSimulation& process = mc_model_checker->get_remote_simulation();
+  const Region* heap_region1  = MC_get_heap_region(snapshot1);
+  const Region* heap_region2  = MC_get_heap_region(snapshot2);
 
   for (int i = 0; i < size; ) {
     if (check_ignore > 0) {
@@ -509,7 +510,7 @@ static bool heap_area_differ_without_type(StateComparator& state, const void* re
  */
 static bool heap_area_differ_with_type(StateComparator& state, const void* real_area1, const void* real_area2,
                                        const Snapshot& snapshot1, const Snapshot& snapshot2,
-                                       HeapLocationPairs* previous, Type* type, int area_size, int check_ignore,
+                                       HeapLocationPairs* previous, const Type* type, int area_size, int check_ignore,
                                        int pointer_level)
 {
   // HACK: This should not happen but in practice, there are some
@@ -536,8 +537,8 @@ static bool heap_area_differ_with_type(StateComparator& state, const void* real_
   const void* addr_pointed1;
   const void* addr_pointed2;
 
-  Region* heap_region1 = MC_get_heap_region(snapshot1);
-  Region* heap_region2 = MC_get_heap_region(snapshot2);
+  const Region* heap_region1 = MC_get_heap_region(snapshot1);
+  const Region* heap_region2 = MC_get_heap_region(snapshot2);
 
   switch (type->type) {
     case DW_TAG_unspecified_type:
@@ -652,7 +653,7 @@ static bool heap_area_differ_with_type(StateComparator& state, const void* real_
             return true;
         }
         } else {
-          for (simgrid::mc::Member& member : type->members) {
+          for (const simgrid::mc::Member& member : type->members) {
             // TODO, optimize this? (for the offset case)
             const void* real_member1 = dwarf::resolve_member(real_area1, type, &member, &snapshot1);
             const void* real_member2 = dwarf::resolve_member(real_area2, type, &member, &snapshot2);
@@ -700,7 +701,7 @@ static Type* get_offset_type(void* real_base_address, Type* type, int offset, in
         return nullptr;
     }
 
-    for (simgrid::mc::Member& member : type->members) {
+    for (const simgrid::mc::Member& member : type->members) {
       if (member.has_offset_location()) {
         // We have the offset, use it directly (shortcut):
         if (member.offset() == offset)
@@ -733,7 +734,7 @@ static Type* get_offset_type(void* real_base_address, Type* type, int offset, in
 static bool heap_area_differ(StateComparator& state, const void* area1, const void* area2, const Snapshot& snapshot1,
                              const Snapshot& snapshot2, HeapLocationPairs* previous, Type* type, int pointer_level)
 {
-  const simgrid::mc::RemoteClient& process = mc_model_checker->process();
+  const simgrid::mc::RemoteSimulation& process = mc_model_checker->get_remote_simulation();
 
   ssize_t block1;
   ssize_t block2;
@@ -806,8 +807,8 @@ static bool heap_area_differ(StateComparator& state, const void* area1, const vo
       type_size = type->byte_size;
   }
 
-  simgrid::mc::Region* heap_region1 = MC_get_heap_region(snapshot1);
-  simgrid::mc::Region* heap_region2 = MC_get_heap_region(snapshot2);
+  const Region* heap_region1 = MC_get_heap_region(snapshot1);
+  const Region* heap_region2 = MC_get_heap_region(snapshot2);
 
   const malloc_info* heapinfo1 =
       (const malloc_info*)heap_region1->read(&heapinfo_temp1, &heapinfos1[block1], sizeof(malloc_info));
@@ -872,8 +873,8 @@ static bool heap_area_differ(StateComparator& state, const void* area1, const vo
 
   } else if ((heapinfo1->type > 0) && (heapinfo2->type > 0)) {      /* Fragmented block */
     // Fragment number:
-    ssize_t frag1 = ((uintptr_t)(ADDR2UINT(area1) % (BLOCKSIZE))) >> heapinfo1->type;
-    ssize_t frag2 = ((uintptr_t)(ADDR2UINT(area2) % (BLOCKSIZE))) >> heapinfo2->type;
+    ssize_t frag1 = (ADDR2UINT(area1) % BLOCKSIZE) >> heapinfo1->type;
+    ssize_t frag2 = (ADDR2UINT(area2) % BLOCKSIZE) >> heapinfo2->type;
 
     // Process address of the fragment_:
     void* real_addr_frag1 = (void*)((char*)real_addr_block1 + (frag1 << heapinfo1->type));
@@ -1009,7 +1010,7 @@ static bool heap_area_differ(StateComparator& state, const void* area1, const vo
 static bool areas_differ_with_type(simgrid::mc::StateComparator& state, const void* real_area1,
                                    const simgrid::mc::Snapshot& snapshot1, simgrid::mc::Region* region1,
                                    const void* real_area2, const simgrid::mc::Snapshot& snapshot2,
-                                   simgrid::mc::Region* region2, simgrid::mc::Type* type, int pointer_level)
+                                   simgrid::mc::Region* region2, const simgrid::mc::Type* type, int pointer_level)
 {
   const simgrid::mc::Type* subtype;
   const simgrid::mc::Type* subsubtype;
@@ -1113,7 +1114,7 @@ static bool areas_differ_with_type(simgrid::mc::StateComparator& state, const vo
     }
     case DW_TAG_structure_type:
     case DW_TAG_class_type:
-      for (simgrid::mc::Member& member : type->members) {
+      for (const simgrid::mc::Member& member : type->members) {
         const void* member1             = simgrid::dwarf::resolve_member(real_area1, type, &member, &snapshot1);
         const void* member2             = simgrid::dwarf::resolve_member(real_area2, type, &member, &snapshot2);
         simgrid::mc::Region* subregion1 = snapshot1.get_region(member1, region1); // region1 is hinted
@@ -1133,9 +1134,10 @@ static bool areas_differ_with_type(simgrid::mc::StateComparator& state, const vo
   return false;
 }
 
-static bool global_variables_differ(simgrid::mc::StateComparator& state, simgrid::mc::ObjectInformation* object_info,
-                                    simgrid::mc::Region* r1, simgrid::mc::Region* r2,
-                                    const simgrid::mc::Snapshot& snapshot1, const simgrid::mc::Snapshot& snapshot2)
+static bool global_variables_differ(simgrid::mc::StateComparator& state,
+                                    const simgrid::mc::ObjectInformation* object_info, simgrid::mc::Region* r1,
+                                    simgrid::mc::Region* r2, const simgrid::mc::Snapshot& snapshot1,
+                                    const simgrid::mc::Snapshot& snapshot2)
 {
   xbt_assert(r1 && r2, "Missing region.");
 
@@ -1145,11 +1147,10 @@ static bool global_variables_differ(simgrid::mc::StateComparator& state, simgrid
     // If the variable is not in this object, skip it:
     // We do not expect to find a pointer to something which is not reachable
     // by the global variables.
-    if ((char *) current_var.address < (char *) object_info->start_rw
-        || (char *) current_var.address > (char *) object_info->end_rw)
+    if ((char*)current_var.address < object_info->start_rw || (char*)current_var.address > object_info->end_rw)
       continue;
 
-    simgrid::mc::Type* bvariable_type = current_var.type;
+    const simgrid::mc::Type* bvariable_type = current_var.type;
     if (areas_differ_with_type(state, current_var.address, snapshot1, r1, current_var.address, snapshot2, r2,
                                bvariable_type, 0)) {
       XBT_VERB("Global variable %s (%p) is different between snapshots", current_var.name.c_str(), current_var.address);
@@ -1200,7 +1201,7 @@ bool snapshot_equal(const Snapshot* s1, const Snapshot* s2)
   // TODO, make this a field of ModelChecker or something similar
   static StateComparator state_comparator;
 
-  const RemoteClient& process = mc_model_checker->process();
+  const RemoteSimulation& process = mc_model_checker->get_remote_simulation();
 
   if (s1->hash_ != s2->hash_) {
     XBT_VERB("(%d - %d) Different hash: 0x%" PRIx64 "--0x%" PRIx64, s1->num_state_, s2->num_state_, s1->hash_,
@@ -1227,10 +1228,10 @@ bool snapshot_equal(const Snapshot* s1, const Snapshot* s2)
   }
 
   /* Init heap information used in heap comparison algorithm */
-  xbt_mheap_t heap1 = static_cast<xbt_mheap_t>(s1->read_bytes(alloca(sizeof(s_xbt_mheap_t)), sizeof(s_xbt_mheap_t),
-                                                              remote(process.heap_address), ReadOptions::lazy()));
-  xbt_mheap_t heap2 = static_cast<xbt_mheap_t>(s2->read_bytes(alloca(sizeof(s_xbt_mheap_t)), sizeof(s_xbt_mheap_t),
-                                                              remote(process.heap_address), ReadOptions::lazy()));
+  const s_xbt_mheap_t* heap1 = static_cast<xbt_mheap_t>(s1->read_bytes(
+      alloca(sizeof(s_xbt_mheap_t)), sizeof(s_xbt_mheap_t), remote(process.heap_address), ReadOptions::lazy()));
+  const s_xbt_mheap_t* heap2 = static_cast<xbt_mheap_t>(s2->read_bytes(
+      alloca(sizeof(s_xbt_mheap_t)), sizeof(s_xbt_mheap_t), remote(process.heap_address), ReadOptions::lazy()));
   if (state_comparator.initHeapInformation(heap1, heap2, s1->to_ignore_, s2->to_ignore_) == -1) {
     XBT_VERB("(%d - %d) Different heap information", s1->num_state_, s2->num_state_);
     return false;