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[mc] Use optimized local implementation of libuwind (UNW_LOCAL_ONLY)
[simgrid.git] / src / mc / mc_private.h
index 2a12206..38de8cc 100644 (file)
@@ -12,6 +12,8 @@
 #ifndef WIN32
 #include <sys/mman.h>
 #endif
+#include <elfutils/libdw.h>
+
 #include "mc/mc.h"
 #include "mc/datatypes.h"
 #include "xbt/fifo.h"
@@ -43,8 +45,7 @@ typedef struct s_mc_snapshot{
   size_t *stack_sizes;
   xbt_dynar_t stacks;
   xbt_dynar_t to_ignore;
-  char hash_global[41];
-  char hash_local[41];
+  uint64_t hash;
 } s_mc_snapshot_t, *mc_snapshot_t;
 
 typedef struct s_mc_snapshot_stack{
@@ -58,6 +59,9 @@ typedef struct s_mc_global_t{
   int raw_mem_set;
   int prev_pair;
   char *prev_req;
+  int initial_communications_pattern_done;
+  int comm_deterministic;
+  int send_deterministic;
 }s_mc_global_t, *mc_global_t;
 
 typedef struct s_mc_checkpoint_ignore_region{
@@ -218,25 +222,8 @@ typedef struct s_memory_map {
 void MC_init_memory_map_info(void);
 memory_map_t MC_get_memory_map(void);
 void MC_free_memory_map(memory_map_t map);
-void MC_get_libsimgrid_plt_section(void);
-void MC_get_binary_plt_section(void);
 
-extern void *start_data_libsimgrid;
-extern void *start_data_binary;
-extern void *start_bss_binary;
 extern char *libsimgrid_path;
-extern void *start_text_libsimgrid;
-extern void *start_text_binary;
-extern void *start_bss_libsimgrid;
-extern void *start_plt_libsimgrid;
-extern void *end_plt_libsimgrid;
-extern void *start_plt_binary;
-extern void *end_plt_binary;
-extern void *start_got_plt_libsimgrid;
-extern void *end_got_plt_libsimgrid;
-extern void *start_got_plt_binary;
-extern void *end_got_plt_binary;
-
 
 /********************************** Snapshot comparison **********************************/
 
@@ -248,8 +235,6 @@ typedef struct s_mc_comparison_times{
   double libsimgrid_global_variables_comparison_time;
   double heap_comparison_time;
   double stacks_comparison_time;
-  double hash_global_variables_comparison_time;
-  double hash_local_variables_comparison_time;
 }s_mc_comparison_times_t, *mc_comparison_times_t;
 
 extern __thread mc_comparison_times_t mc_comp_times;
@@ -294,8 +279,6 @@ extern xbt_fifo_t mc_stack_liveness;
 extern mc_global_t initial_state_liveness;
 extern xbt_automaton_t _mc_property_automaton;
 extern int compare;
-extern xbt_dynar_t mc_stack_comparison_ignore;
-extern xbt_dynar_t mc_data_bss_comparison_ignore;
 
 typedef struct s_mc_pair{
   int num;
@@ -333,23 +316,26 @@ void MC_dump_stack_liveness(xbt_fifo_t stack);
 
 /********************************** Variables with DWARF **********************************/
 
-extern xbt_dict_t mc_local_variables_libsimgrid;
-extern xbt_dict_t mc_local_variables_binary;
-extern xbt_dynar_t mc_global_variables_libsimgrid;
-extern xbt_dynar_t mc_global_variables_binary;
-extern xbt_dict_t mc_variables_type_libsimgrid;
-extern xbt_dict_t mc_variables_type_binary;
-
-typedef struct s_mc_object_info {
-  xbt_dict_t local_variables;
-  xbt_dynar_t global_variables;
-  xbt_dict_t types;
-  // TODO, add start_data, end _data ...
-} s_mc_object_info_t, *mc_object_info_t;
-
-mc_object_info_t MC_new_object_info();
+struct s_mc_object_info {
+  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)
+};
+
+mc_object_info_t MC_new_object_info(void);
+mc_object_info_t MC_find_object_info(memory_map_t maps, char* name);
 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);
+
 extern mc_object_info_t mc_libsimgrid_info;
 extern mc_object_info_t mc_binary_info;
 
@@ -416,13 +402,15 @@ typedef struct s_dw_location_entry{
 }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;
-  union{
-    dw_location_t location;
-    void *address;
-  }address;
+
+  // Use either of:
+  dw_location_t location;
+  void* address;
+
 }s_dw_variable_t, *dw_variable_t;
 
 typedef struct s_dw_frame{
@@ -430,11 +418,25 @@ typedef struct s_dw_frame{
   void *low_pc;
   void *high_pc;
   dw_location_t frame_base;
-  xbt_dynar_t variables; /* Cannot use dict, there may be several variables with the same name (in different lexical blocks)*/
-  unsigned long int start;
-  unsigned long int end;
+  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 */
 }s_dw_frame_t, *dw_frame_t;
 
+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);
+
+/********************************** DWARF **********************************/
+
+Dwarf_Off MC_dwarf_resolve_location(unw_cursor_t* c, dw_location_t location, void* frame_pointer_address);
+void* mc_find_frame_base(unw_word_t ip, dw_frame_t frame, unw_cursor_t* unw_cursor);
+
 /********************************** Miscellaneous **********************************/
 
 typedef struct s_local_variable{
@@ -446,5 +448,39 @@ typedef struct s_local_variable{
   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 *********** */
+
+uint64_t mc_hash_processes_state(int num_state);
+
+#define MC_USE_SNAPSHOT_HASH 1
+
 #endif