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[mc] Add ctor/dtor for s_mc_object_info
[simgrid.git] / src / mc / mc_dwarf.cpp
index 1fb7db1..4369550 100644 (file)
@@ -4,11 +4,12 @@
 /* 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. */
 
+#include <cinttypes>
+
 #include <stdlib.h>
 #define DW_LANG_Objc DW_LANG_ObjC       /* fix spelling error in older dwarf.h */
 #include <dwarf.h>
 #include <elfutils/libdw.h>
-#include <inttypes.h>
 
 #include <simgrid_config.h>
 #include <xbt/log.h>
@@ -119,6 +120,7 @@ const char *MC_dwarf_attrname(int attr)
  *  \param tag tag code (see the DWARF specification)
  *  \return name of the tag
  */
+XBT_INTERNAL
 const char *MC_dwarf_tagname(int tag)
 {
   switch (tag) {
@@ -677,6 +679,12 @@ static dw_type_t MC_dwarf_die_to_type(mc_object_info_t info, Dwarf_Die * die,
 
   type->dw_type_id = MC_dwarf_at_type(die);
 
+  // Some compilers do not emit DW_AT_byte_size for pointer_type,
+  // so we fill this. We currently assume that the model-checked process is in
+  // the same architecture..
+  if (type->type == DW_TAG_pointer_type)
+    type->byte_size = sizeof(void*);
+
   // Computation of the byte_size;
   if (dwarf_hasattr_integrate(die, DW_AT_byte_size))
     type->byte_size = MC_dwarf_attr_integrate_uint(die, DW_AT_byte_size, 0);
@@ -1092,29 +1100,24 @@ void dw_variable_free_voidp(void *t)
 
 // ***** object_info
 
-
-
-mc_object_info_t MC_new_object_info(void)
+s_mc_object_info::s_mc_object_info()
 {
-  mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
-  res->subprograms = xbt_dict_new_homogeneous((void (*)(void *)) mc_frame_free);
-  res->global_variables =
+  this->types = xbt_dict_new_homogeneous((void (*)(void *)) dw_type_free);
+  this->subprograms = xbt_dict_new_homogeneous((void (*)(void *)) mc_frame_free);
+  this->global_variables =
       xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
-  res->types = xbt_dict_new_homogeneous((void (*)(void *)) dw_type_free);
-  res->full_types_by_name = xbt_dict_new_homogeneous(NULL);
-  return res;
+
+  this->full_types_by_name = xbt_dict_new_homogeneous(NULL);
 }
 
-void MC_free_object_info(mc_object_info_t * info)
+s_mc_object_info::~s_mc_object_info()
 {
-  xbt_free(&(*info)->file_name);
-  xbt_dict_free(&(*info)->subprograms);
-  xbt_dynar_free(&(*info)->global_variables);
-  xbt_dict_free(&(*info)->types);
-  xbt_dict_free(&(*info)->full_types_by_name);
-  xbt_free(info);
-  xbt_dynar_free(&(*info)->functions_index);
-  *info = NULL;
+  xbt_free(this->file_name);
+  xbt_dict_free(&this->subprograms);
+  xbt_dynar_free(&this->global_variables);
+  xbt_dict_free(&this->types);
+  xbt_dict_free(&this->full_types_by_name);
+  xbt_dynar_free(&this->functions_index);
 }
 
 // ***** Helpers
@@ -1270,10 +1273,10 @@ static void MC_post_process_types(mc_object_info_t info)
 }
 
 /** \brief Finds informations about a given shared object/executable */
-mc_object_info_t MC_find_object_info(memory_map_t maps, const char *name,
-                                     int executable)
+mc_object_info_t MC_find_object_info(
+  std::vector<simgrid::mc::VmMap> const& maps, const char *name, int executable)
 {
-  mc_object_info_t result = MC_new_object_info();
+  mc_object_info_t result = new s_mc_object_info_t();
   if (executable)
     result->flags |= MC_OBJECT_INFO_EXECUTABLE;
   result->file_name = xbt_strdup(name);