Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
[mc] Remove useless *_free_voidp functions
[simgrid.git] / src / mc / mc_compare.cpp
index 3420b02..65ec2a3 100644 (file)
@@ -1,19 +1,26 @@
-/* Copyright (c) 2012-2014. The SimGrid Team.
+/* Copyright (c) 2012-2015. 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. */
 
 #define __STDC_FORMAT_MACROS
-#include <inttypes.h>
+#include <cinttypes>
 #include <boost/unordered_set.hpp>
 
+#include <xbt/sysdep.h>
+
 #include "internal_config.h"
 #include "mc_object_info.h"
 #include "mc_safety.h"
 #include "mc_liveness.h"
 #include "mc_private.h"
 #include "mc_smx.h"
+#include "mc_dwarf.hpp"
+
+#include "mc/Frame.hpp"
+#include "mc/ObjectInformation.hpp"
+#include "mc/Variable.hpp"
 
 #ifdef HAVE_SMPI
 #include "smpi/private.h"
@@ -24,8 +31,7 @@
 
 #include <xbt/probes.h>
 
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_compare, mc,
-                                "Logging specific to mc_compare");
+using simgrid::mc::remote;
 
 typedef struct s_pointers_pair {
   void *p1;
@@ -55,6 +61,9 @@ struct mc_compare_state {
 
 extern "C" {
 
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_compare, xbt,
+                                "Logging specific to mc_compare in mc");
+
 /************************** Free functions ****************************/
 /********************************************************************/
 
@@ -65,21 +74,11 @@ static void stack_region_free(stack_region_t s)
   }
 }
 
-static void stack_region_free_voidp(void *s)
-{
-  stack_region_free((stack_region_t) * (void **) s);
-}
-
 static void pointers_pair_free(pointers_pair_t p)
 {
   xbt_free(p);
 }
 
-static void pointers_pair_free_voidp(void *p)
-{
-  pointers_pair_free((pointers_pair_t) * (void **) p);
-}
-
 /************************** Snapshot comparison *******************************/
 /******************************************************************************/
 
@@ -100,12 +99,12 @@ static int compare_areas_with_type(struct mc_compare_state& state,
                                    int process_index,
                                    void* real_area1, mc_snapshot_t snapshot1, mc_mem_region_t region1,
                                    void* real_area2, mc_snapshot_t snapshot2, mc_mem_region_t region2,
-                                   dw_type_t type, int pointer_level)
+                                   simgrid::mc::Type* type, int pointer_level)
 {
-  mc_process_t process = &mc_model_checker->process;
+  simgrid::mc::Process* process = &mc_model_checker->process();
 
-  unsigned int cursor = 0;
-  dw_type_t member, subtype, subsubtype;
+  simgrid::mc::Type* subtype;
+  simgrid::mc::Type* subsubtype;
   int elm_size, i, res;
 
   top:
@@ -204,10 +203,10 @@ static int compare_areas_with_type(struct mc_compare_state& state,
       }
 
       // The pointers are both in the current object R/W segment:
-      else if (mc_region_contain(region1, addr_pointed1)) {
-        if (!mc_region_contain(region2, addr_pointed2))
+      else if (region1->contain(simgrid::mc::remote(addr_pointed1))) {
+        if (!region2->contain(simgrid::mc::remote(addr_pointed2)))
           return 1;
-        if (type->dw_type_id == NULL)
+        if (!type->type_id)
           return (addr_pointed1 != addr_pointed2);
         else {
           return compare_areas_with_type(state, process_index,
@@ -228,18 +227,18 @@ static int compare_areas_with_type(struct mc_compare_state& state,
   }
   case DW_TAG_structure_type:
   case DW_TAG_class_type:
-    xbt_dynar_foreach(type->members, cursor, member) {
-      void *member1 =
-        mc_member_resolve(real_area1, type, member, (mc_address_space_t) snapshot1, process_index);
-      void *member2 =
-        mc_member_resolve(real_area2, type, member, (mc_address_space_t) snapshot2, process_index);
+    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->subtype, pointer_level);
+                                  member.type, pointer_level);
       if (res == 1)
         return res;
     }
@@ -255,7 +254,7 @@ static int compare_areas_with_type(struct mc_compare_state& state,
   return 0;
 }
 
-static int compare_global_variables(mc_object_info_t object_info,
+static int compare_global_variables(simgrid::mc::ObjectInformation* object_info,
                                     int process_index,
                                     mc_mem_region_t r1,
                                     mc_mem_region_t r2, mc_snapshot_t snapshot1,
@@ -264,58 +263,55 @@ static int compare_global_variables(mc_object_info_t object_info,
   xbt_assert(r1 && r2, "Missing region.");
 
 #ifdef HAVE_SMPI
-  if (r1->storage_type == MC_REGION_STORAGE_TYPE_PRIVATIZED) {
+  if (r1->storage_type() == simgrid::mc::StorageType::Privatized) {
     xbt_assert(process_index >= 0);
-    if (r2->storage_type != MC_REGION_STORAGE_TYPE_PRIVATIZED) {
+    if (r2->storage_type() != simgrid::mc::StorageType::Privatized) {
       return 1;
     }
 
     size_t process_count = MC_smpi_process_count();
-    xbt_assert(process_count == r1->privatized.regions_count
-      && process_count == r2->privatized.regions_count);
+    xbt_assert(process_count == r1->privatized_data().size()
+      && 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++) {
       int is_diff = compare_global_variables(object_info, process_index,
-        r1->privatized.regions[process_index], r2->privatized.regions[process_index],
+        &r1->privatized_data()[process_index],
+        &r2->privatized_data()[process_index],
         snapshot1, snapshot2);
       if (is_diff) return 1;
     }
     return 0;
   }
 #else
-  xbt_assert(r1->storage_type != MC_REGION_STORAGE_TYPE_PRIVATIZED);
+  xbt_assert(r1->storage_type() != simgrid::mc::StorageType::Privatized);
 #endif
-  xbt_assert(r2->storage_type != MC_REGION_STORAGE_TYPE_PRIVATIZED);
+  xbt_assert(r2->storage_type() != simgrid::mc::StorageType::Privatized);
 
   struct mc_compare_state state;
 
-  xbt_dynar_t variables;
-  int res;
-  unsigned int cursor = 0;
-  dw_variable_t current_var;
+  std::vector<simgrid::mc::Variable>& variables = object_info->global_variables;
 
-  variables = object_info->global_variables;
-
-  xbt_dynar_foreach(variables, cursor, current_var) {
+  for (simgrid::mc::Variable& current_var : variables) {
 
     // 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 < (char *) object_info->start_rw
+        || (char *) current_var.address > (char *) object_info->end_rw)
       continue;
 
-    dw_type_t bvariable_type = current_var->type;
-    res =
+    simgrid::mc::Type* bvariable_type = current_var.type;
+    int res =
         compare_areas_with_type(state, process_index,
-                                (char *) current_var->address, snapshot1, r1,
-                                (char *) current_var->address, snapshot2, r2,
+                                (char *) current_var.address, snapshot1, r1,
+                                (char *) current_var.address, snapshot2, r2,
                                 bvariable_type, 0);
     if (res == 1) {
       XBT_TRACE3(mc, global_diff, -1, -1, current_var->name);
       XBT_VERB("Global variable %s (%p) is different between snapshots",
-               current_var->name, (char *) current_var->address);
+               current_var.name.c_str(),
+               (char *) current_var.address);
       return 1;
     }
 
@@ -333,35 +329,33 @@ static int compare_local_variables(int process_index,
 {
   struct mc_compare_state state;
 
-  if (xbt_dynar_length(stack1->local_variables) !=
-      xbt_dynar_length(stack2->local_variables)) {
+  if (stack1->local_variables.size() != stack2->local_variables.size()) {
     XBT_VERB("Different number of local variables");
     return 1;
   } else {
     unsigned int cursor = 0;
     local_variable_t current_var1, current_var2;
     int res;
-    while (cursor < xbt_dynar_length(stack1->local_variables)) {
-      current_var1 =
-          (local_variable_t) xbt_dynar_get_as(stack1->local_variables, cursor,
-                                              local_variable_t);
-      current_var2 =
-          (local_variable_t) xbt_dynar_get_as(stack2->local_variables, cursor,
-                                              local_variable_t);
-      if (strcmp(current_var1->name, current_var2->name) != 0
+    while (cursor < stack1->local_variables.size()) {
+      current_var1 = &stack1->local_variables[cursor];
+      current_var2 = &stack1->local_variables[cursor];
+      if (current_var1->name != current_var2->name
           || current_var1->subprogram != current_var1->subprogram
           || current_var1->ip != current_var2->ip) {
         // TODO, fix current_varX->subprogram->name to include name if DW_TAG_inlined_subprogram
         XBT_VERB
-            ("Different name of variable (%s - %s) or frame (%s - %s) or ip (%lu - %lu)",
-             current_var1->name, current_var2->name,
-             current_var1->subprogram->name, current_var2->subprogram->name,
+            ("Different name of variable (%s - %s) "
+             "or frame (%s - %s) or ip (%lu - %lu)",
+             current_var1->name.c_str(),
+             current_var2->name.c_str(),
+             current_var1->subprogram->name.c_str(),
+             current_var2->subprogram->name.c_str(),
              current_var1->ip, current_var2->ip);
         return 1;
       }
       // TODO, fix current_varX->subprogram->name to include name if DW_TAG_inlined_subprogram
 
-        dw_type_t subtype = current_var1->type;
+        simgrid::mc::Type* subtype = current_var1->type;
         res =
             compare_areas_with_type(state, process_index,
                                     current_var1->address, snapshot1, mc_get_snapshot_region(current_var1->address, snapshot1, process_index),
@@ -372,9 +366,12 @@ static int compare_local_variables(int process_index,
         // TODO, fix current_varX->subprogram->name to include name if DW_TAG_inlined_subprogram
         XBT_TRACE3(mc, local_diff, -1, -1, current_var1->name);
         XBT_VERB
-            ("Local variable %s (%p - %p) in frame %s  is different between snapshots",
-             current_var1->name, current_var1->address, current_var2->address,
-             current_var1->subprogram->name);
+            ("Local variable %s (%p - %p) in frame %s "
+             "is different between snapshots",
+             current_var1->name.c_str(),
+             current_var1->address,
+             current_var2->address,
+             current_var1->subprogram->name.c_str());
         return res;
       }
       cursor++;
@@ -385,7 +382,7 @@ static int compare_local_variables(int process_index,
 
 int snapshot_compare(void *state1, void *state2)
 {
-  mc_process_t process = &mc_model_checker->process;
+  simgrid::mc::Process* process = &mc_model_checker->process();
 
   mc_snapshot_t s1, s2;
   int num1, num2;
@@ -435,14 +432,10 @@ int snapshot_compare(void *state1, void *state2)
   }
 
   /* Compare enabled processes */
-  unsigned int cursor;
-  int pid;
-  xbt_dynar_foreach(s1->enabled_processes, cursor, pid){
-    if(!xbt_dynar_member(s2->enabled_processes, &pid)) {
+  if (s1->enabled_processes != s2->enabled_processes) {
       //XBT_TRACE3(mc, state_diff, num1, num2, "Different enabled processes");
       XBT_VERB("(%d - %d) Different enabled processes", num1, num2);
       // return 1; ??
-    }
   }
 
   unsigned long i = 0;
@@ -450,7 +443,7 @@ int snapshot_compare(void *state1, void *state2)
   int is_diff = 0;
 
   /* Compare size of stacks */
-  while (i < xbt_dynar_length(s1->stacks)) {
+  while (i < s1->stacks.size()) {
     size_used1 = s1->stack_sizes[i];
     size_used2 = s2->stack_sizes[i];
     if (size_used1 != size_used2) {
@@ -490,15 +483,15 @@ int snapshot_compare(void *state1, void *state2)
 #endif
 
   /* Init heap information used in heap comparison algorithm */
-  xbt_mheap_t heap1 = (xbt_mheap_t) MC_snapshot_read(
-    s1, MC_ADDRESS_SPACE_READ_FLAGS_LAZY,
-    alloca(sizeof(struct mdesc)), process->heap_address, sizeof(struct mdesc),
-    MC_PROCESS_INDEX_MISSING);
-  xbt_mheap_t heap2 = (xbt_mheap_t) MC_snapshot_read(
-    s2, MC_ADDRESS_SPACE_READ_FLAGS_LAZY,
-    alloca(sizeof(struct mdesc)), process->heap_address, sizeof(struct mdesc),
-    MC_PROCESS_INDEX_MISSING);
-  res_init = init_heap_information(heap1, heap2, s1->to_ignore, s2->to_ignore);
+  xbt_mheap_t heap1 = (xbt_mheap_t)s1->read_bytes(
+    alloca(sizeof(struct mdesc)), sizeof(struct mdesc),
+    remote(process->heap_address),
+    simgrid::mc::ProcessIndexMissing, simgrid::mc::AddressSpace::Lazy);
+  xbt_mheap_t heap2 = (xbt_mheap_t)s2->read_bytes(
+    alloca(sizeof(struct mdesc)), sizeof(struct mdesc),
+    remote(process->heap_address),
+    simgrid::mc::ProcessIndexMissing, simgrid::mc::AddressSpace::Lazy);
+  res_init = init_heap_information(heap1, heap2, &s1->to_ignore, &s2->to_ignore);
   if (res_init == -1) {
 #ifdef MC_DEBUG
     XBT_DEBUG("(%d - %d) Different heap information", num1, num2);
@@ -521,19 +514,15 @@ int snapshot_compare(void *state1, void *state2)
 #endif
 
   /* Stacks comparison */
-  cursor = 0;
+  unsigned cursor = 0;
   int diff_local = 0;
 #ifdef MC_DEBUG
   is_diff = 0;
 #endif
   mc_snapshot_stack_t stack1, stack2;
-  while (cursor < xbt_dynar_length(s1->stacks)) {
-    stack1 =
-        (mc_snapshot_stack_t) xbt_dynar_get_as(s1->stacks, cursor,
-                                               mc_snapshot_stack_t);
-    stack2 =
-        (mc_snapshot_stack_t) xbt_dynar_get_as(s2->stacks, cursor,
-                                               mc_snapshot_stack_t);
+  while (cursor < s1->stacks.size()) {
+    stack1 = &s1->stacks[cursor];
+    stack2 = &s1->stacks[cursor];
 
     if (stack1->process_index != stack2->process_index) {
       diff_local = 1;
@@ -573,26 +562,25 @@ int snapshot_compare(void *state1, void *state2)
     cursor++;
   }
 
-  size_t regions_count = s1->snapshot_regions_count;
+  size_t regions_count = s1->snapshot_regions.size();
   // TODO, raise a difference instead?
-  xbt_assert(regions_count == s2->snapshot_regions_count);
+  xbt_assert(regions_count == s2->snapshot_regions.size());
 
   mc_comp_times->global_variables_comparison_time = 0;
 
   for (size_t k = 0; k != regions_count; ++k) {
-    mc_mem_region_t region1 = s1->snapshot_regions[k];
-    mc_mem_region_t region2 = s2->snapshot_regions[k];
+    mc_mem_region_t region1 = s1->snapshot_regions[k].get();
+    mc_mem_region_t region2 = s2->snapshot_regions[k].get();
 
     // Preconditions:
-    if (region1->region_type != MC_REGION_TYPE_DATA)
+    if (region1->region_type() != simgrid::mc::RegionType::Data)
       continue;
 
-    xbt_assert(region1->region_type == region2->region_type);
-    xbt_assert(region1->object_info == region2->object_info);
-
-    xbt_assert(region1->object_info);
+    xbt_assert(region1->region_type() == region2->region_type());
+    xbt_assert(region1->object_info() == region2->object_info());
+    xbt_assert(region1->object_info());
 
-    const char* name = region1->object_info->file_name;
+    std::string const& name = region1->object_info()->file_name;
 
 #ifdef MC_DEBUG
     if (is_diff == 0)
@@ -602,7 +590,7 @@ int snapshot_compare(void *state1, void *state2)
 
     /* Compare global variables */
     is_diff =
-      compare_global_variables(region1->object_info, MC_ADDRESS_SPACE_READ_FLAGS_NONE,
+      compare_global_variables(region1->object_info(  ), simgrid::mc::AddressSpace::Normal,
         region1, region2,
         s1, s2);
 
@@ -612,13 +600,13 @@ int snapshot_compare(void *state1, void *state2)
       xbt_os_walltimer_stop(timer);
       mc_comp_times->global_variables_comparison_time
         += xbt_os_timer_elapsed(timer);
-      XBT_DEBUG("(%d - %d) Different global variables in %s", num1, num2,
-                name);
+      XBT_DEBUG("(%d - %d) Different global variables in %s",
+        num1, num2, name.c_str());
       errors++;
 #else
 #ifdef MC_VERBOSE
-      XBT_VERB("(%d - %d) Different global variables in %s", num1, num2,
-               name);
+      XBT_VERB("(%d - %d) Different global variables in %s",
+        num1, num2, name.c_str());
 #endif
 
       reset_heap_information();