X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a0a188fb6e3d1d0583d3bff1d28858545e8290b7..2ddaad87cbb9584159fd9ea054a4dd0dbf1224b2:/src/mc/mc_private.h diff --git a/src/mc/mc_private.h b/src/mc/mc_private.h index 86431c79a4..bf29aa9089 100644 --- a/src/mc/mc_private.h +++ b/src/mc/mc_private.h @@ -20,9 +20,12 @@ #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), libsimgrid data (data + BSS), std_heap */ + typedef struct s_mc_mem_region{ int type; void *start_addr; @@ -32,24 +35,34 @@ typedef struct s_mc_mem_region{ typedef struct s_mc_snapshot{ unsigned int num_reg; + int region_type[nb_regions]; + size_t heap_chunks_used; mc_mem_region_t *regions; + size_t *stack_sizes; + xbt_dynar_t stacks; + int nb_processes; } 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; + +typedef struct s_mc_global_t{ + mc_snapshot_t snapshot; + int raw_mem_set; +}s_mc_global_t, *mc_global_t; -void MC_take_snapshot(mc_snapshot_t); -void MC_take_snapshot_liveness(mc_snapshot_t s); +//void MC_take_snapshot(mc_snapshot_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); /********************************* MC Global **********************************/ extern double *mc_time; -/* Bound of the MC depth-first search algorithm */ -#define MAX_DEPTH 1000 -#define MAX_DEPTH_LIVENESS 500 - 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); @@ -108,6 +121,7 @@ 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 { @@ -143,19 +157,17 @@ 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) -extern int raw_mem_set; - /******************************* MEMORY MAPPINGS ***************************/ /* These functions and data structures implements a binary interface for */ /* the proc maps ascii interface */ @@ -184,8 +196,46 @@ typedef struct s_memory_map { memory_map_t get_memory_map(void); void free_memory_map(memory_map_t map); -void get_plt_section(void); +void get_libsimgrid_plt_section(void); +void get_binary_plt_section(void); + +extern void *start_data_libsimgrid; +extern void *end_raw_heap; +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 chunks_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; +}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 **************************************/ typedef enum { @@ -193,19 +243,30 @@ typedef enum { 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; void MC_dpor_init(void); void MC_dpor(void); void MC_dpor_exit(void); -void MC_init_safety(void); +void MC_init(void); + +typedef struct s_mc_safety_visited_state{ + mc_snapshot_t system_state; + int num; +}s_mc_safety_visited_state_t, *mc_safety_visited_state_t; /********************************** 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; @@ -220,15 +281,30 @@ typedef struct s_mc_pair_reached{ mc_snapshot_t system_state; }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; +}s_mc_pair_visited_t, *mc_pair_visited_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 snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2); +int visited(xbt_state_t st); + void MC_pair_delete(mc_pair_t pair); void MC_exit_liveness(void); mc_state_t MC_state_pair_new(void); +void pair_reached_free(mc_pair_reached_t pair); +void pair_reached_free_voidp(void *p); +void pair_visited_free(mc_pair_visited_t pair); +void pair_visited_free_voidp(void *p); +void MC_init_liveness(void); +void MC_init_memory_map_info(void); + +int get_heap_region_index(mc_snapshot_t s); /* **** Double-DFS stateless **** */ @@ -238,24 +314,132 @@ typedef struct s_mc_pair_stateless{ int requests; }s_mc_pair_stateless_t, *mc_pair_stateless_t; -extern xbt_fifo_t mc_stack_liveness; - 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_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); +void pair_stateless_free(mc_pair_stateless_t pair); +void pair_stateless_free_voidp(void *p); /********************************** Configuration of MC **************************************/ extern xbt_fifo_t mc_stack_safety; -extern int _surf_mc_checkpoint; -extern char* _surf_mc_property_file; - /****** Core dump ******/ int create_dump(int pair); +/****** 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); +char *get_libsimgrid_path(void); +xbt_dict_t MC_get_location_list(const char *elf_file); + +/**** Global variables ****/ + +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