-/* Copyright (c) 2007-2013 Da SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2013. 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. */
#ifndef WIN32
#include <sys/mman.h>
#endif
+#include <elfutils/libdw.h>
+
#include "mc/mc.h"
#include "mc/datatypes.h"
#include "xbt/fifo.h"
#include "xbt/strbuff.h"
#include "xbt/parmap.h"
+typedef struct s_dw_frame s_dw_frame_t, *dw_frame_t;
+
/****************************** Snapshots ***********************************/
#define NB_REGIONS 3 /* binary data (data + BSS) (type = 2), libsimgrid data (data + BSS) (type = 1), std_heap (type = 0)*/
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;
+/** Information about a given stack frame
+ *
+ */
+typedef struct s_mc_stack_frame {
+ /** Instruction pointer */
+ unw_word_t ip;
+ /** Stack pointer */
+ unw_word_t sp;
+ unw_word_t frame_base;
+ dw_frame_t frame;
+ char* frame_name;
+ unw_cursor_t unw_cursor;
+} s_mc_stack_frame_t, *mc_stack_frame_t;
+
typedef struct s_mc_snapshot_stack{
xbt_dynar_t local_variables;
void *stack_pointer;
void *real_address;
+ xbt_dynar_t stack_frames; // mc_stack_frame_t
}s_mc_snapshot_stack_t, *mc_snapshot_stack_t;
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{
}s_mc_checkpoint_ignore_region_t, *mc_checkpoint_ignore_region_t;
mc_snapshot_t SIMIX_pre_mc_snapshot(smx_simcall_t simcall);
-mc_snapshot_t MC_take_snapshot(void);
+mc_snapshot_t MC_take_snapshot(int num_state);
void MC_restore_snapshot(mc_snapshot_t);
void MC_free_snapshot(mc_snapshot_t);
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 **********************************/
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;
extern __thread double mc_snapshot_comparison_time;
-int snapshot_compare(void *p1, void *p2);
+int snapshot_compare(void *state1, void *state2);
int SIMIX_pre_mc_compare_snapshots(smx_simcall_t simcall, mc_snapshot_t s1, mc_snapshot_t s2);
void print_comparison_times(void);
//#define MC_DEBUG 1
#define MC_VERBOSE 1
-
/********************************** DPOR for safety property **************************************/
typedef enum {
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;
- int other_num; /* Dot output for */
int search_cycle;
mc_state_t graph_state; /* System state included */
xbt_automaton_state_t automaton_state;
xbt_dynar_t atomic_propositions;
int requests;
+}s_mc_pair_t, *mc_pair_t;
+
+typedef struct s_mc_visited_pair{
+ int num;
+ int other_num; /* Dot output for */
+ int acceptance_pair;
+ mc_state_t graph_state; /* System state included */
+ xbt_automaton_state_t automaton_state;
+ xbt_dynar_t atomic_propositions;
size_t heap_bytes_used;
int nb_processes;
- int stack_removed;
- int visited_removed;
int acceptance_removed;
-}s_mc_pair_t, *mc_pair_t;
+ int visited_removed;
+}s_mc_visited_pair_t, *mc_visited_pair_t;
mc_pair_t MC_pair_new(void);
void MC_pair_delete(mc_pair_t);
void mc_pair_free_voidp(void *p);
+mc_visited_pair_t MC_visited_pair_new(int pair_num, xbt_automaton_state_t automaton_state, xbt_dynar_t atomic_propositions);
+void MC_visited_pair_delete(mc_visited_pair_t p);
void MC_ddfs_init(void);
void MC_ddfs(void);
/********************************** 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;
+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;
typedef enum {
e_dw_loclist,
}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{
+struct s_dw_frame{
char *name;
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;
-}s_dw_frame_t, *dw_frame_t;
+ 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 */
+};
+
+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 **********************************/
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);
+
#endif
