+/********************************** Variables with DWARF **********************************/
+
+#define MC_OBJECT_INFO_EXECUTABLE 1
+
+struct s_mc_object_info {
+ size_t flags;
+ char* file_name;
+ char *start_exec, *end_exec; // Executable segment
+ char *start_rw, *end_rw; // Read-write segment
+ char *start_ro, *end_ro; // read-only segment
+ xbt_dict_t local_variables; // xbt_dict_t<frame_name, dw_frame_t>
+ xbt_dynar_t global_variables; // xbt_dynar_t<dw_variable_t>
+ xbt_dict_t types; // xbt_dict_t<origin as hexadecimal string, dw_type_t>
+ xbt_dict_t types_by_name; // xbt_dict_t<name, dw_type_t> (full defined type only)
+
+ // Here we sort the minimal information for an efficient (and cache-efficient)
+ // lookup of a function given an instruction pointer.
+ // The entries are sorted by low_pc and a binary search can be used to look them up.
+ xbt_dynar_t functions_index;
+};
+
+mc_object_info_t MC_new_object_info(void);
+mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable);
+void MC_free_object_info(mc_object_info_t* p);
+
+void MC_dwarf_get_variables(mc_object_info_t info);
+void MC_dwarf_get_variables_libdw(mc_object_info_t info);
+const char* MC_dwarf_attrname(int attr);
+const char* MC_dwarf_tagname(int tag);
+
+dw_frame_t MC_find_function_by_ip(void* ip);
+mc_object_info_t MC_ip_find_object_info(void* ip);
+
+extern mc_object_info_t mc_libsimgrid_info;
+extern mc_object_info_t mc_binary_info;
+
+void MC_find_object_address(memory_map_t maps, mc_object_info_t result);
+void MC_post_process_types(mc_object_info_t info);
+
+typedef enum {
+ e_dw_loclist,
+ e_dw_register,
+ e_dw_bregister_op,
+ e_dw_lit,
+ e_dw_fbregister_op,
+ e_dw_piece,
+ e_dw_arithmetic,
+ e_dw_plus_uconst,
+ e_dw_compose,
+ e_dw_deref,
+ e_dw_uconstant,
+ e_dw_sconstant,
+ e_dw_unsupported
+} e_dw_location_type;
+
+typedef struct s_dw_location{
+ e_dw_location_type type;
+ union{
+
+ xbt_dynar_t loclist;
+
+ int reg;
+
+ struct{
+ unsigned int reg;
+ int offset;
+ }breg_op;
+
+ unsigned int lit;
+
+ int fbreg_op;
+
+ int piece;
+
+ unsigned short int deref_size;
+
+ xbt_dynar_t compose;
+
+ char *arithmetic;
+
+ struct{
+ int bytes;
+ long unsigned int value;
+ }uconstant;
+
+ struct{
+ int bytes;
+ long signed int value;
+ }sconstant;
+
+ unsigned int plus_uconst;
+
+ }location;
+}s_dw_location_t, *dw_location_t;
+
+typedef struct s_dw_location_entry{
+ void* lowpc;
+ void* highpc;
+ dw_location_t location;
+}s_dw_location_entry_t, *dw_location_entry_t;
+
+typedef struct s_dw_variable{
+ Dwarf_Off dwarf_offset; /* Global offset of the field. */
+ int global;
+ char *name;
+ char *type_origin;
+ dw_type_t type;
+
+ // Use either of:
+ dw_location_t location;
+ void* address;
+
+}s_dw_variable_t, *dw_variable_t;
+
+struct s_dw_frame{
+ char *name;
+ void *low_pc;
+ void *high_pc;
+ dw_location_t frame_base;
+ xbt_dynar_t /* <dw_variable_t> */ variables; /* Cannot use dict, there may be several variables with the same name (in different lexical blocks)*/
+ unsigned long int start; /* DWARF offset of the subprogram */
+ unsigned long int end; /* Dwarf offset of the next sibling */
+};
+
+struct s_mc_function_index_item {
+ void* low_pc, *high_pc;
+ dw_frame_t function;
+};
+
+void dw_type_free(dw_type_t t);
+void dw_variable_free(dw_variable_t v);
+void dw_variable_free_voidp(void *t);
+
+void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable);
+void MC_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable);
+void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable);
+void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable);
+void* MC_object_base_address(mc_object_info_t info);
+
+/********************************** DWARF **********************************/
+
+Dwarf_Off MC_dwarf_resolve_location(unw_cursor_t* c, dw_location_t location, void* frame_pointer_address);
+void* mc_find_frame_base(void* ip, dw_frame_t frame, unw_cursor_t* unw_cursor);
+
+/********************************** Miscellaneous **********************************/
+
+typedef struct s_local_variable{
+ char *frame;
+ unsigned long ip;
+ char *name;
+ dw_type_t type;
+ void *address;
+ int region;
+}s_local_variable_t, *local_variable_t;
+
+/********************************* Communications pattern ***************************/
+
+typedef struct s_mc_comm_pattern{
+ int num;
+ smx_action_t comm;
+ e_smx_comm_type_t type;
+ int completed;
+ unsigned long src_proc;
+ unsigned long dst_proc;
+ char *rdv;
+ size_t data_size;
+ void *data;
+ int matched_comm;
+}s_mc_comm_pattern_t, *mc_comm_pattern_t;
+
+extern xbt_dynar_t communications_pattern;
+
+void get_comm_pattern(xbt_dynar_t communications_pattern, smx_simcall_t request, int call);
+
+/* *********** Sets *********** */
+
+typedef struct s_mc_address_set *mc_address_set_t;
+
+mc_address_set_t mc_address_set_new();
+mc_address_set_t mc_address_set_free(mc_address_set_t* p);
+void mc_address_add(mc_address_set_t p, const void* value);
+bool mc_address_test(mc_address_set_t p, const void* value);
+
+/* *********** Hash *********** */
+
+/** \brief Hash the current state
+ * \param num_state number of states
+ * \param stacks stacks (mc_snapshot_stak_t) used fot the stack unwinding informations
+ * \result resulting hash
+ * */
+uint64_t mc_hash_processes_state(int num_state, xbt_dynar_t stacks);
+