X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bf667234dc6219eb5ee398d5dca36a3a16ec340f..a20e82ad79e5dbc42c6c02903740edece926bc3e:/src/mc/mc_private.h diff --git a/src/mc/mc_private.h b/src/mc/mc_private.h index fbca8a57ef..e7a2703122 100644 --- a/src/mc/mc_private.h +++ b/src/mc/mc_private.h @@ -1,4 +1,5 @@ -/* Copyright (c) 2007-2012 Da SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2014. 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. */ @@ -8,7 +9,11 @@ #include "simgrid_config.h" #include +#ifndef WIN32 #include +#endif +#include + #include "mc/mc.h" #include "mc/datatypes.h" #include "xbt/fifo.h" @@ -16,55 +21,141 @@ #include "xbt/function_types.h" #include "xbt/mmalloc.h" #include "../simix/smx_private.h" +#include "../xbt/mmalloc/mmprivate.h" #include "xbt/automaton.h" #include "xbt/hash.h" #include "msg/msg.h" #include "msg/datatypes.h" #include "xbt/strbuff.h" +#include "xbt/parmap.h" + +typedef struct s_dw_frame s_dw_frame_t, *dw_frame_t; +typedef struct s_mc_function_index_item s_mc_function_index_item_t, *mc_function_index_item_t; /****************************** 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; + // Real address: void *start_addr; + // Copy of the datra: void *data; + // Size of the data region: 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; + mc_mem_region_t* privatization_regions; + int privatization_index; + size_t *stack_sizes; xbt_dynar_t stacks; + xbt_dynar_t to_ignore; + 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_strbuff_t local_variables; + 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; -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; + 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{ + void *addr; + size_t size; +}s_mc_checkpoint_ignore_region_t, *mc_checkpoint_ignore_region_t; + +inline static void* mc_snapshot_get_heap_end(mc_snapshot_t snapshot) { + if(snapshot==NULL) + xbt_die("snapshot is NULL"); + xbt_mheap_t heap = (xbt_mheap_t)snapshot->regions[0]->data; + return heap->breakval; +} + +mc_snapshot_t SIMIX_pre_mc_snapshot(smx_simcall_t simcall); +mc_snapshot_t MC_take_snapshot(int num_state); void MC_restore_snapshot(mc_snapshot_t); void MC_free_snapshot(mc_snapshot_t); +/** \brief Translate a pointer from process address space to snapshot address space + * + * The address space contains snapshot of the main/application memory: + * this function finds the address in a given snaphot for a given + * real/application address. + * + * For read only memory regions and other regions which are not int the + * snapshot, the address is not changed. + * + * \param addr Application address + * \param snapshot The snapshot of interest (if NULL no translation is done) + * \return Translated address in the snapshot address space + * */ +void* mc_translate_address(uintptr_t addr, mc_snapshot_t snapshot); + +/** \brief Translate a pointer from the snapshot address space to the application address space + * + * This is the inverse of mc_translate_address. + * + * \param addr Address in the snapshot address space + * \param snapsot Snapshot of interest (if NULL no translation is done) + * \return Translated address in the application address space + */ +uintptr_t mc_untranslate_address(void* addr, mc_snapshot_t snapshot); + +extern xbt_dynar_t mc_checkpoint_ignore; /********************************* MC Global **********************************/ + extern double *mc_time; +extern FILE *dot_output; +extern const char* colors[13]; +extern xbt_parmap_t parmap; -/* Bound of the MC depth-first search algorithm */ -#define MAX_DEPTH 1000 -#define MAX_DEPTH_LIVENESS 500 +extern int user_max_depth_reached; 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); +int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max); + +extern xbt_fifo_t mc_stack; +int get_search_interval(xbt_dynar_t list, void *ref, int *min, int *max); + /********************************* 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); @@ -73,13 +164,18 @@ 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 **************************************/ + +extern mc_global_t initial_global_state; + /* 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; @@ -100,10 +196,9 @@ 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); @@ -113,27 +208,24 @@ 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. */ @@ -141,7 +233,7 @@ void MC_print_statistics_pairs(mc_stats_pair_t); /* you must wrap the code between MC_SET_RAW_MODE and MC_UNSET_RAW_MODE */ extern void *std_heap; -extern void *raw_heap; +extern void *mc_heap; /* FIXME: Horrible hack! because the mmalloc library doesn't provide yet of */ @@ -156,10 +248,9 @@ extern void *raw_heap; /* 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) +#define MC_SET_MC_HEAP mmalloc_set_current_heap(mc_heap) +#define MC_SET_STD_HEAP mmalloc_set_current_heap(std_heap) -extern int raw_mem_set; /******************************* MEMORY MAPPINGS ***************************/ /* These functions and data structures implements a binary interface for */ @@ -171,7 +262,7 @@ typedef struct s_map_region { void *start_addr; /* Start address of the map */ void *end_addr; /* End address of the map */ int prot; /* Memory protection */ - int flags; /* Aditional memory flags */ + int flags; /* Additional memory flags */ void *offset; /* Offset in the file/whatever */ char dev_major; /* Major of the device */ char dev_minor; /* Minor of the device */ @@ -187,12 +278,37 @@ typedef struct s_memory_map { } s_memory_map_t, *memory_map_t; -memory_map_t get_memory_map(void); -void free_memory_map(memory_map_t map); -void get_plt_section(void); +void MC_init_memory_map_info(void); +memory_map_t MC_get_memory_map(void); +void MC_free_memory_map(memory_map_t map); + +extern char *libsimgrid_path; + +/********************************** 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; +}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 *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 + +/********************************** Safety verification **************************************/ -/********************************** DPOR for safety **************************************/ typedef enum { e_mc_reduce_unset, e_mc_reduce_none, @@ -200,142 +316,294 @@ typedef enum { } e_mc_reduce_t; extern e_mc_reduce_t mc_reduce_kind; +extern xbt_dict_t first_enabled_state; + +void MC_pre_modelcheck_safety(void); +void MC_modelcheck_safety(void); -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; + int other_num; // dot_output for +}s_mc_visited_state_t, *mc_visited_state_t; +extern xbt_dynar_t visited_states; +int is_visited_state(void); +void visited_state_free(mc_visited_state_t state); +void visited_state_free_voidp(void *s); -/********************************** Double-DFS for liveness property**************************************/ +/********************************** Liveness verification **************************************/ -extern xbt_fifo_t mc_stack_liveness; -extern mc_snapshot_t initial_snapshot_liveness; extern xbt_automaton_t _mc_property_automaton; -extern int compare; -extern void *start_plt; -extern void *end_plt; typedef struct s_mc_pair{ - mc_snapshot_t system_state; - mc_state_t graph_state; - xbt_state_t automaton_state; + int num; + 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_pair_reached{ - int nb; - xbt_state_t automaton_state; - xbt_dynar_t prop_ato; - mc_snapshot_t system_state; -}s_mc_pair_reached_t, *mc_pair_reached_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 acceptance_removed; + 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_pre_modelcheck_liveness(void); +void MC_modelcheck_liveness(void); +void MC_show_stack_liveness(xbt_fifo_t stack); +void MC_dump_stack_liveness(xbt_fifo_t stack); -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); +extern xbt_dynar_t visited_pairs; +int is_visited_pair(mc_visited_pair_t pair, int pair_num, xbt_automaton_state_t automaton_state, xbt_dynar_t atomic_propositions); -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); -void MC_pair_delete(mc_pair_t pair); -void MC_exit_liveness(void); -mc_state_t MC_state_pair_new(void); -/* **** Double-DFS stateless **** */ +/********************************** Variables with DWARF **********************************/ -typedef struct s_mc_pair_stateless{ - mc_state_t graph_state; - xbt_state_t automaton_state; - int requests; -}s_mc_pair_stateless_t, *mc_pair_stateless_t; +#define MC_OBJECT_INFO_EXECUTABLE 1 -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); +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 subprograms; // xbt_dict_t + xbt_dynar_t global_variables; // xbt_dynar_t + xbt_dict_t types; // xbt_dict_t + xbt_dict_t full_types_by_name; // xbt_dict_t (full defined type only) -/********************************** Configuration of MC **************************************/ -extern xbt_fifo_t mc_stack_safety; + // 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; +}; -extern int _surf_mc_checkpoint; -extern char* _surf_mc_property_file; +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); -/****** Core dump ******/ +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); -int create_dump(int pair); +dw_frame_t MC_find_function_by_ip(void* ip); +mc_object_info_t MC_ip_find_object_info(void* ip); -/****** Local variables with DWARF ******/ +extern mc_object_info_t mc_libsimgrid_info; +extern mc_object_info_t mc_binary_info; +extern mc_object_info_t mc_object_infos[2]; +extern size_t mc_object_infos_size; -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_compose, - e_dw_deref, - e_dw_constant, - 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{ - int reg; - int offset; - }breg_op; - - unsigned lit; - - int fbreg_op; - - int piece; - - int deref_size; - - xbt_dynar_t compose; - - char *arithmetic; - - struct{ - int is_signed; - int bytes; - int value; - }constant; - - }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_local_variable{ +void MC_find_object_address(memory_map_t maps, mc_object_info_t result); +void MC_post_process_types(mc_object_info_t info); +void MC_post_process_object_info(mc_object_info_t info); + +// ***** Expressions + +/** \brief a DWARF expression with optional validity contraints */ +typedef struct s_mc_expression { + size_t size; + Dwarf_Op* ops; + // Optional validity: + void* lowpc, *highpc; +} s_mc_expression_t, *mc_expression_t; + +/** A location list (list of location expressions) */ +typedef struct s_mc_location_list { + size_t size; + mc_expression_t locations; +} s_mc_location_list_t, *mc_location_list_t; + +uintptr_t mc_dwarf_resolve_location(mc_expression_t expression, mc_object_info_t object_info, unw_cursor_t* c, void* frame_pointer_address, mc_snapshot_t snapshot); +uintptr_t mc_dwarf_resolve_locations(mc_location_list_t locations, mc_object_info_t object_info, unw_cursor_t* c, void* frame_pointer_address, mc_snapshot_t snapshot); + +void mc_dwarf_expression_clear(mc_expression_t expression); +void mc_dwarf_expression_init(mc_expression_t expression, size_t len, Dwarf_Op* ops); + +void mc_dwarf_location_list_clear(mc_location_list_t list); + +void mc_dwarf_location_list_init_from_expression(mc_location_list_t target, size_t len, Dwarf_Op* ops); +void mc_dwarf_location_list_init(mc_location_list_t target, mc_object_info_t info, Dwarf_Die* die, Dwarf_Attribute* attr); + +// ***** Variables and functions + +struct s_dw_type{ + e_dw_type_type type; + Dwarf_Off id; /* Offset in the section (in hexadecimal form) */ + char *name; /* Name of the type */ + int byte_size; /* Size in bytes */ + int element_count; /* Number of elements for array type */ + char *dw_type_id; /* DW_AT_type id */ + xbt_dynar_t members; /* if DW_TAG_structure_type, DW_TAG_class_type, DW_TAG_union_type*/ + int is_pointer_type; + + // Location (for members) is either of: + struct s_mc_expression location; + int offset; + + dw_type_t subtype; // DW_AT_type + dw_type_t full_type; // The same (but more complete) type +}; + +void* mc_member_resolve(const void* base, dw_type_t type, dw_type_t member, mc_snapshot_t snapshot); +void* mc_member_snapshot_resolve(const void* base, dw_type_t type, dw_type_t member, mc_snapshot_t snapshot); + +typedef struct s_dw_variable{ + Dwarf_Off dwarf_offset; /* Global offset of the field. */ + int global; char *name; - dw_location_t location; -}s_dw_local_variable_t, *dw_local_variable_t; + char *type_origin; + dw_type_t type; + + // Use either of: + s_mc_location_list_t locations; + void* address; + + size_t start_scope; + mc_object_info_t object_info; -typedef struct s_dw_frame{ +}s_dw_variable_t, *dw_variable_t; + +struct s_dw_frame{ + int tag; + char *name; + void *low_pc; + void *high_pc; + s_mc_location_list_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 id; /* DWARF offset of the subprogram */ + xbt_dynar_t /* */ scopes; + Dwarf_Off abstract_origin_id; + mc_object_info_t object_info; +}; + +struct s_mc_function_index_item { + void* low_pc, *high_pc; + dw_frame_t function; +}; + +void mc_frame_free(dw_frame_t freme); + +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); + +/** Find the DWARF offset for this ELF object + * + * An offset is applied to address found in DWARF: + * + *
    + *
  • for an executable obejct, addresses are virtual address + * (there is no offset) i.e. \f$\text{virtual address} = \{dwarf address}\f$;
    • + *
  • for a shared object, the addreses are offset from the begining + * of the shared object (the base address of the mapped shared + * object must be used as offset + * i.e. \f$\text{virtual address} = \text{shared object base address} + * + \text{dwarf address}\f$.
    • + * + */ +void* MC_object_base_address(mc_object_info_t info); + +/********************************** DWARF **********************************/ + +#define MC_EXPRESSION_STACK_SIZE 64 + +#define MC_EXPRESSION_OK 0 +#define MC_EXPRESSION_E_UNSUPPORTED_OPERATION 1 +#define MC_EXPRESSION_E_STACK_OVERFLOW 2 +#define MC_EXPRESSION_E_STACK_UNDERFLOW 3 +#define MC_EXPRESSION_E_MISSING_STACK_CONTEXT 4 +#define MC_EXPRESSION_E_MISSING_FRAME_BASE 5 +#define MC_EXPRESSION_E_NO_BASE_ADDRESS 6 + +typedef struct s_mc_expression_state { + uintptr_t stack[MC_EXPRESSION_STACK_SIZE]; + size_t stack_size; + + unw_cursor_t* cursor; + void* frame_base; + mc_snapshot_t snapshot; + mc_object_info_t object_info; +} s_mc_expression_state_t, *mc_expression_state_t; + +int mc_dwarf_execute_expression(size_t n, const Dwarf_Op* ops, mc_expression_state_t state); + +void* mc_find_frame_base(dw_frame_t frame, mc_object_info_t object_info, unw_cursor_t* unw_cursor); + +/********************************** Miscellaneous **********************************/ + +typedef struct s_local_variable{ + dw_frame_t subprogram; + unsigned long ip; char *name; - dw_location_t location; - xbt_dynar_t variables; -}s_dw_frame_t, *dw_frame_t; + 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; + unsigned long src_proc; + unsigned long dst_proc; + const char *src_host; + const char *dst_host; + char *rdv; + ssize_t data_size; + void *data; +}s_mc_comm_pattern_t, *mc_comm_pattern_t; + +extern xbt_dynar_t communications_pattern; +extern xbt_dynar_t incomplete_communications_pattern; -/* FIXME : implement free functions for each strcuture */ +void get_comm_pattern(xbt_dynar_t communications_pattern, smx_simcall_t request, int call); +void complete_comm_pattern(xbt_dynar_t list, smx_action_t comm); +void MC_pre_modelcheck_comm_determinism(void); -extern xbt_dynar_t mc_binary_local_variables; +/* *********** Sets *********** */ -void MC_get_binary_local_variables(void); -void print_local_variables(xbt_dynar_t list); +typedef struct s_mc_address_set *mc_address_set_t; + +mc_address_set_t mc_address_set_new(); +void 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 +