X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/21fce2eda21e3c3bea7a19630948ccd6ec64145f..7f06482332409f552ac19d126fa69520ade79fcb:/src/mc/mc_private.h diff --git a/src/mc/mc_private.h b/src/mc/mc_private.h index d9b9f7f5d8..05336afc67 100644 --- a/src/mc/mc_private.h +++ b/src/mc/mc_private.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2007-2012 Da SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2013 Da 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. */ @@ -6,8 +6,11 @@ #ifndef MC_PRIVATE_H #define MC_PRIVATE_H +#include "simgrid_config.h" #include +#ifndef WIN32 #include +#endif #include "mc/mc.h" #include "mc/datatypes.h" #include "xbt/fifo.h" @@ -19,46 +22,68 @@ #include "xbt/hash.h" #include "msg/msg.h" #include "msg/datatypes.h" +#include "xbt/strbuff.h" /****************************** Snapshots ***********************************/ +#define NB_REGIONS 3 /* binary data (data + BSS) (type = 2), libsimgrid data (data + BSS) (type = 1), std_heap (type = 0)*/ + typedef struct s_mc_mem_region{ - int type; void *start_addr; void *data; size_t size; } s_mc_mem_region_t, *mc_mem_region_t; typedef struct s_mc_snapshot{ - unsigned int num_reg; - mc_mem_region_t *regions; + size_t heap_bytes_used; + mc_mem_region_t regions[NB_REGIONS]; + int nb_processes; + size_t *stack_sizes; + xbt_dynar_t stacks; + xbt_dynar_t to_ignore; + char hash_global[41]; + char hash_local[41]; } s_mc_snapshot_t, *mc_snapshot_t; -extern char *prog_name; +typedef struct s_mc_snapshot_stack{ + xbt_strbuff_t local_variables; + void *stack_pointer; +}s_mc_snapshot_stack_t, *mc_snapshot_stack_t; -void MC_take_snapshot(mc_snapshot_t); -void MC_take_snapshot_liveness(mc_snapshot_t s); +typedef struct s_mc_global_t{ + mc_snapshot_t snapshot; + int raw_mem_set; + int prev_pair; + char *prev_req; +}s_mc_global_t, *mc_global_t; + +mc_snapshot_t SIMIX_pre_mc_snapshot(smx_simcall_t simcall); +mc_snapshot_t MC_take_snapshot(void); void MC_restore_snapshot(mc_snapshot_t); void MC_free_snapshot(mc_snapshot_t); - +void snapshot_stack_free_voidp(void *s); +int is_stack_ignore_variable(char *frame, char *var_name); /********************************* MC Global **********************************/ -extern double *mc_time; -/* Bound of the MC depth-first search algorithm */ -#define MAX_DEPTH 1000 -#define MAX_DEPTH_LIVENESS 500 +extern double *mc_time; +extern FILE *dot_output; +extern const char* colors[10]; int MC_deadlock_check(void); void MC_replay(xbt_fifo_t stack, int start); void MC_replay_liveness(xbt_fifo_t stack, int all_stack); void MC_wait_for_requests(void); -void MC_get_enabled_processes(); void MC_show_deadlock(smx_simcall_t req); void MC_show_stack_safety(xbt_fifo_t stack); void MC_dump_stack_safety(xbt_fifo_t stack); +void MC_init(void); +void MC_init_dot_output(void); +int SIMIX_pre_mc_random(smx_simcall_t simcall); + /********************************* Requests ***********************************/ + int MC_request_depend(smx_simcall_t req1, smx_simcall_t req2); char* MC_request_to_string(smx_simcall_t req, int value); unsigned int MC_request_testany_fail(smx_simcall_t req); @@ -67,13 +92,16 @@ int MC_request_is_visible(smx_simcall_t req); int MC_request_is_enabled(smx_simcall_t req); int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx); int MC_process_is_enabled(smx_process_t process); +char *MC_request_get_dot_output(smx_simcall_t req, int value); /******************************** States **************************************/ + /* Possible exploration status of a process in a state */ typedef enum { MC_NOT_INTERLEAVE=0, /* Do not interleave (do not execute) */ MC_INTERLEAVE, /* Interleave the process (one or more request) */ + MC_MORE_INTERLEAVE, /* Interleave twice the process (for mc_random simcall) */ MC_DONE /* Already interleaved */ } e_mc_process_state_t; @@ -94,10 +122,9 @@ typedef struct mc_state { int req_num; /* The request number (in the case of a multi-request like waitany ) */ mc_snapshot_t system_state; /* Snapshot of system state */ + int num; } s_mc_state_t, *mc_state_t; -extern xbt_fifo_t mc_stack_safety_stateless; - mc_state_t MC_state_new(void); void MC_state_delete(mc_state_t state); void MC_state_interleave_process(mc_state_t state, smx_process_t process); @@ -107,27 +134,24 @@ void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req, int valu smx_simcall_t MC_state_get_executed_request(mc_state_t state, int *value); smx_simcall_t MC_state_get_internal_request(mc_state_t state); smx_simcall_t MC_state_get_request(mc_state_t state, int *value); +void MC_state_remove_interleave_process(mc_state_t state, smx_process_t process); + /****************************** Statistics ************************************/ + typedef struct mc_stats { unsigned long state_size; unsigned long visited_states; - unsigned long expanded_states; - unsigned long executed_transitions; -} s_mc_stats_t, *mc_stats_t; - -typedef struct mc_stats_pair { - //unsigned long pair_size; unsigned long visited_pairs; + unsigned long expanded_states; unsigned long expanded_pairs; unsigned long executed_transitions; -} s_mc_stats_pair_t, *mc_stats_pair_t; +} s_mc_stats_t, *mc_stats_t; extern mc_stats_t mc_stats; -extern mc_stats_pair_t mc_stats_pair; void MC_print_statistics(mc_stats_t); -void MC_print_statistics_pairs(mc_stats_pair_t); + /********************************** MEMORY ******************************/ /* The possible memory modes for the modelchecker are standard and raw. */ @@ -142,18 +166,17 @@ extern void *raw_heap; /* an API to query about the status of a heap, we simply call mmstats and */ /* because I now how does structure looks like, then I redefine it here */ -struct mstats { - size_t bytes_total; /* Total size of the heap. */ - size_t chunks_used; /* Chunks allocated by the user. */ - size_t bytes_used; /* Byte total of user-allocated chunks. */ - size_t chunks_free; /* Chunks in the free list. */ - size_t bytes_free; /* Byte total of chunks in the free list. */ -}; +/* struct mstats { */ +/* size_t bytes_total; /\* Total size of the heap. *\/ */ +/* size_t chunks_used; /\* Chunks allocated by the user. *\/ */ +/* size_t bytes_used; /\* Byte total of user-allocated chunks. *\/ */ +/* size_t chunks_free; /\* Chunks in the free list. *\/ */ +/* size_t bytes_free; /\* Byte total of chunks in the free list. *\/ */ +/* }; */ #define MC_SET_RAW_MEM mmalloc_set_current_heap(raw_heap) #define MC_UNSET_RAW_MEM mmalloc_set_current_heap(std_heap) -int raw_mem_set; /******************************* MEMORY MAPPINGS ***************************/ /* These functions and data structures implements a binary interface for */ @@ -181,104 +204,221 @@ typedef struct s_memory_map { } s_memory_map_t, *memory_map_t; + +void MC_init_memory_map_info(void); memory_map_t get_memory_map(void); +void free_memory_map(memory_map_t map); +void get_libsimgrid_plt_section(void); +void 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_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 **********************************/ + +typedef struct s_mc_comparison_times{ + double nb_processes_comparison_time; + double bytes_used_comparison_time; + double stacks_sizes_comparison_time; + double binary_global_variables_comparison_time; + 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 mc_comparison_times_t mc_comp_times; +extern double mc_snapshot_comparison_time; + +int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2); +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 **************************************/ -/********************************** DPOR for safety **************************************/ typedef enum { e_mc_reduce_unset, e_mc_reduce_none, e_mc_reduce_dpor } e_mc_reduce_t; + extern e_mc_reduce_t mc_reduce_kind; +extern mc_global_t initial_state_safety; +extern xbt_fifo_t mc_stack_safety; +extern xbt_dict_t first_enabled_state; void MC_dpor_init(void); void MC_dpor(void); -void MC_dpor_exit(void); -void MC_init_safety(void); + +typedef struct s_mc_visited_state{ + mc_snapshot_t system_state; + size_t heap_bytes_used; + int nb_processes; + int num; +}s_mc_visited_state_t, *mc_visited_state_t; -/********************************** Double-DFS for liveness property**************************************/ +/********************************** Double-DFS for liveness property **************************************/ -extern mc_snapshot_t initial_snapshot_liveness; +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{ - mc_snapshot_t system_state; - mc_state_t graph_state; - xbt_state_t automaton_state; -}s_mc_pair_t, *mc_pair_t; - -typedef struct s_mc_pair_reached{ - int nb; - xbt_state_t automaton_state; - xbt_dynar_t prop_ato; - mc_snapshot_t system_state; - //xbt_dict_t rdv_points; -}s_mc_pair_reached_t, *mc_pair_reached_t; - -typedef struct s_mc_pair_visited{ - xbt_state_t automaton_state; - xbt_dynar_t prop_ato; - mc_snapshot_t system_state; + int num; int search_cycle; -}s_mc_pair_visited_t, *mc_pair_visited_t; - -typedef struct s_mc_pair_visited_hash{ - xbt_state_t automaton_state; - xbt_dynar_t prop_ato; - unsigned int *hash_regions; - int search_cycle; -}s_mc_pair_visited_hash_t, *mc_pair_visited_hash_t; - -typedef struct s_mc_pair_reached_hash{ - xbt_state_t automaton_state; - xbt_dynar_t prop_ato; - unsigned int *hash_regions; -}s_mc_pair_reached_hash_t, *mc_pair_reached_hash_t; - - - -int MC_automaton_evaluate_label(xbt_exp_label_t l); -mc_pair_t new_pair(mc_snapshot_t sn, mc_state_t sg, xbt_state_t st); - -int reached(xbt_state_t st); -void set_pair_reached(xbt_state_t st); -int reached_hash(xbt_state_t st); -void set_pair_reached_hash(xbt_state_t st); -int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2); -void MC_pair_delete(mc_pair_t pair); -void MC_exit_liveness(void); -mc_state_t MC_state_pair_new(void); -int visited(xbt_state_t st, int search_cycle); -void set_pair_visited(xbt_state_t st, int search_cycle); -int visited_hash(xbt_state_t st, int search_cycle); -void set_pair_visited_hash(xbt_state_t st, int search_cycle); -unsigned int hash_region(char *str, int str_len); -int rdv_points_compare(xbt_dict_t d1, xbt_dict_t d2); - -/* **** Double-DFS stateless **** */ - -typedef struct s_mc_pair_stateless{ - mc_state_t graph_state; - xbt_state_t automaton_state; + mc_state_t graph_state; /* System state included */ + xbt_automaton_state_t automaton_state; + xbt_dynar_t atomic_propositions; int requests; -}s_mc_pair_stateless_t, *mc_pair_stateless_t; + size_t heap_bytes_used; + int nb_processes; + int stack_removed; + int visited_removed; + int acceptance_removed; +}s_mc_pair_t, *mc_pair_t; -extern xbt_fifo_t mc_stack_liveness; +mc_pair_t MC_pair_new(void); +void MC_pair_delete(mc_pair_t); -mc_pair_stateless_t new_pair_stateless(mc_state_t sg, xbt_state_t st, int r); void MC_ddfs_init(void); -void MC_ddfs(int search_cycle); +void MC_ddfs(void); void MC_show_stack_liveness(xbt_fifo_t stack); void MC_dump_stack_liveness(xbt_fifo_t stack); -void MC_pair_stateless_delete(mc_pair_stateless_t pair); -/********************************** Configuration of MC **************************************/ -extern xbt_fifo_t mc_stack_safety; -extern int _surf_mc_checkpoint; -extern char* _surf_mc_property_file; +/********************************** Local variables with DWARF **********************************/ + +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{ + long lowpc; + long highpc; + dw_location_t location; +}s_dw_location_entry_t, *dw_location_entry_t; + +typedef struct s_dw_local_variable{ + char *name; + dw_location_t location; +}s_dw_local_variable_t, *dw_local_variable_t; + +typedef struct s_dw_frame{ + char *name; + void *low_pc; + void *high_pc; + dw_location_t frame_base; + xbt_dict_t variables; + unsigned long int start; + unsigned long int end; +}s_dw_frame_t, *dw_frame_t; + +/* FIXME : implement free functions for each structure */ + +extern xbt_dict_t mc_local_variables; + +typedef struct s_variable_value{ + char *type; + + union{ + void *address; + long int res; + }value; +}s_variable_value_t, *variable_value_t; + +void variable_value_free_voidp(void* v); +void variable_value_free(variable_value_t v); + +void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *variables); +void print_local_variables(xbt_dict_t list); +xbt_dict_t MC_get_location_list(const char *elf_file); + + +/********************************** Global variables with objdump **********************************/ + +typedef struct s_global_variable{ + char *name; + size_t size; + void *address; +}s_global_variable_t, *global_variable_t; + +void global_variable_free(global_variable_t v); +void global_variable_free_voidp(void *v); +extern xbt_dynar_t mc_global_variables; #endif