#ifndef MC_PRIVATE_H
#define MC_PRIVATE_H
+#include <sys/types.h>
+
#include "simgrid_config.h"
#include <stdio.h>
+#include <stdint.h>
#include <stdbool.h>
#ifndef WIN32
#include <sys/mman.h>
#include <elfutils/libdw.h>
#include "mc/mc.h"
+#include "mc_base.h"
#include "mc/datatypes.h"
#include "xbt/fifo.h"
#include "xbt/config.h"
+#include <libunwind.h>
+#include <dwarf.h>
+
#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 <simgrid/msg.h>
#include "xbt/strbuff.h"
#include "xbt/parmap.h"
-#include "mc_mmu.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{
- // Real address:
- void *start_addr;
- // Copy of the datra:
- void *data;
- // Size of the data region:
- size_t size;
- // For per-page snapshots, this is an array to the number of
- size_t* page_numbers;
-} s_mc_mem_region_t, *mc_mem_region_t;
-
-static inline bool mc_region_contain(mc_mem_region_t region, void* p)
-{
- return p >= region->start_addr &&
- p < (void*)((char*) region->start_addr + region->size);
-}
-
-/** Ignored data
- *
- * Some parts of the snapshot are ignored by zeroing them out: the real
- * values is stored here.
- * */
-typedef struct s_mc_snapshot_ignored_data {
- void* start;
- size_t size;
- void* data;
-} s_mc_snapshot_ignored_data_t, *mc_snapshot_ignored_data_t;
-
-typedef struct s_mc_snapshot{
- size_t heap_bytes_used;
- mc_mem_region_t regions[NB_REGIONS];
- xbt_dynar_t enabled_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;
- xbt_dynar_t ignored_data;
-} s_mc_snapshot_t, *mc_snapshot_t;
-
-mc_mem_region_t mc_get_snapshot_region(void* addr, mc_snapshot_t snapshot);
-
-static inline mc_mem_region_t mc_get_region_hinted(void* addr, mc_snapshot_t snapshot, mc_mem_region_t region)
-{
- if (mc_region_contain(region, addr))
- return region;
- else
- return mc_get_snapshot_region(addr, snapshot);
-}
-
-/** 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;
- xbt_dynar_t stack_frames; // mc_stack_frame_t
-}s_mc_snapshot_stack_t, *mc_snapshot_stack_t;
-
-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;
+#include "mc_forward.h"
+#include "mc_protocol.h"
SG_BEGIN_DECL()
-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);
-
-int mc_important_snapshot(mc_snapshot_t snapshot);
-
-size_t* mc_take_page_snapshot_region(void* data, size_t page_count, uint64_t* pagemap, size_t* reference_pages);
-void mc_free_page_snapshot_region(size_t* pagenos, size_t page_count);
-void mc_restore_page_snapshot_region(mc_mem_region_t region, size_t page_count, uint64_t* pagemap, mc_mem_region_t reference_region);
-
-mc_mem_region_t mc_region_new_sparse(int type, void *start_addr, size_t size, mc_mem_region_t ref_reg);
-void mc_region_restore_sparse(mc_mem_region_t reg, mc_mem_region_t ref_reg);
-void mc_softdirty_reset();
-
-typedef struct s_mc_pages_store s_mc_pages_store_t, * mc_pages_store_t;
-mc_pages_store_t mc_pages_store_new();
-
-static inline bool mc_snapshot_region_linear(mc_mem_region_t region) {
- return !region || !region->data;
-}
-
-void* mc_snapshot_read_region(void* addr, mc_mem_region_t region, void* target, size_t size);
-void* mc_snapshot_read(void* addr, mc_snapshot_t snapshot, void* target, size_t size);
-int mc_snapshot_memcp(
- void* addr1, mc_snapshot_t snapshot1,
- void* addr2, mc_snapshot_t snapshot2, size_t size);
-
-static inline void* mc_snapshot_read_pointer(void* addr, mc_snapshot_t snapshot)
-{
- void* res;
- return *(void**) mc_snapshot_read(addr, snapshot, &res, sizeof(void*));
-}
-
-/** @brief State of the model-checker (global variables for the model checker)
- *
- * Each part of the state of the model chercker represented as a global
- * variable prevents some sharing between snapshots and must be ignored.
- * By moving as much state as possible in this structure allocated
- * on the model-chercker heap, we avoid those issues.
- */
-typedef struct s_mc_model_checker {
- // This is the parent snapshot of the current state:
- mc_snapshot_t parent_snapshot;
- mc_pages_store_t pages;
- int fd_clear_refs;
- int fd_pagemap;
-} s_mc_model_checker_t, *mc_model_checker_t;
-
-extern mc_model_checker_t mc_model_checker;
-
-void* mc_translate_address_region(uintptr_t addr, mc_mem_region_t region);
+typedef struct s_mc_function_index_item s_mc_function_index_item_t, *mc_function_index_item_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);
+/********************************* MC Global **********************************/
-/** \brief Translate a pointer from the snapshot address space to the application address space
- *
- * This is the inverse of mc_translate_address.
- *
- * Does not work for per-page snapshot, we change the logic to handle this.
+/** Initialisation of the model-checker
*
- * \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
+ * @param pid PID of the target process
+ * @param socket FD for the communication socket **in server mode** (or -1 otherwise)
*/
-uintptr_t mc_untranslate_address(void* addr, mc_snapshot_t snapshot);
+void MC_init_pid(pid_t pid, int socket);
-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;
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_replay(xbt_fifo_t stack);
+void MC_replay_liveness(xbt_fifo_t stack);
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);
+void MC_show_non_termination(void);
+/** Stack (of `mc_state_t`) representing the current position of the
+ * the MC in the exploration graph
+ *
+ * It is managed by its head (`xbt_fifo_shift` and `xbt_fifo_unshift`).
+ */
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);
-/*int MC_waitany_is_enabled_by_comm(smx_req_t req, unsigned int comm);*/
-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;
-
-/* On every state, each process has an entry of the following type */
-typedef struct mc_procstate{
- e_mc_process_state_t state; /* Exploration control information */
- unsigned int interleave_count; /* Number of times that the process was
- interleaved */
-} s_mc_procstate_t, *mc_procstate_t;
-
-/* An exploration state is composed of: */
-typedef struct mc_state {
- unsigned long max_pid; /* Maximum pid at state's creation time */
- mc_procstate_t proc_status; /* State's exploration status by process */
- s_smx_action_t internal_comm; /* To be referenced by the internal_req */
- s_smx_simcall_t internal_req; /* Internal translation of request */
- s_smx_simcall_t executed_req; /* The executed request of the 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;
-
-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);
-unsigned int MC_state_interleave_size(mc_state_t state);
-int MC_state_process_is_done(mc_state_t state, smx_process_t process);
-void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req, int value);
-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);
+int get_search_interval(xbt_dynar_t list, void *ref, int *min, int *max);
/****************************** Statistics ************************************/
extern mc_stats_t mc_stats;
-void MC_print_statistics(mc_stats_t);
-
-
-/********************************** MEMORY ******************************/
-/* The possible memory modes for the modelchecker are standard and raw. */
-/* Normally the system should operate in std, for switching to raw mode */
-/* you must wrap the code between MC_SET_RAW_MODE and MC_UNSET_RAW_MODE */
-
-extern void *std_heap;
-extern void *mc_heap;
-
-
-/* FIXME: Horrible hack! because the mmalloc library doesn't provide yet of */
-/* 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. *\/ */
-/* }; */
-
-#define MC_SET_MC_HEAP mmalloc_set_current_heap(mc_heap)
-#define MC_SET_STD_HEAP mmalloc_set_current_heap(std_heap)
-
-
-/******************************* MEMORY MAPPINGS ***************************/
-/* These functions and data structures implements a binary interface for */
-/* the proc maps ascii interface */
-
-/* Each field is defined as documented in proc's manual page */
-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; /* Additional memory flags */
- void *offset; /* Offset in the file/whatever */
- char dev_major; /* Major of the device */
- char dev_minor; /* Minor of the device */
- unsigned long inode; /* Inode in the device */
- char *pathname; /* Path name of the mapped file */
-
-} s_map_region_t;
-
-typedef struct s_memory_map {
-
- s_map_region_t *regions; /* Pointer to an array of regions */
- int mapsize; /* Number of regions in the memory */
-
-} s_memory_map_t, *memory_map_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);
-
-extern char *libsimgrid_path;
+void MC_print_statistics(mc_stats_t stats);
/********************************** Snapshot comparison **********************************/
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 global_variables_comparison_time;
double heap_comparison_time;
double stacks_comparison_time;
}s_mc_comparison_times_t, *mc_comparison_times_t;
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 **************************************/
-
-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 xbt_dict_t first_enabled_state;
-
-void MC_pre_modelcheck_safety(void);
-void MC_modelcheck_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);
-
-/********************************** Liveness verification **************************************/
-
-extern xbt_automaton_t _mc_property_automaton;
-
-typedef struct s_mc_pair{
- 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_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);
-
-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);
-
-
/********************************** Variables with DWARF **********************************/
-#define MC_OBJECT_INFO_EXECUTABLE 1
-
-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<origin as hexadecimal string, 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 full_types_by_name; // xbt_dict_t<name, dw_type_t> (full defined type only)
-
- // 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;
-};
-
-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);
-
-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);
-
-dw_frame_t MC_find_function_by_ip(void* ip);
-mc_object_info_t MC_ip_find_object_info(void* ip);
-
-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;
-
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;
- 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;
-
-}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 /* <dw_variable_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 /* <dw_frame_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:
- *
- * <ul>
- * <li>for an executable obejct, addresses are virtual address
- * (there is no offset) i.e. \f$\text{virtual address} = \{dwarf address}\f$;</li>
- * <li>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$\text{virtual address} = \text{shared object base address}
- * + \text{dwarf address}\f$.</li>
- *
- */
-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 **********************************/
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;
-
-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);
-void MC_modelcheck_comm_determinism(void);
-
/* *********** 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_new(void);
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);
* */
uint64_t mc_hash_processes_state(int num_state, xbt_dynar_t stacks);
+/** @brief Dump the stacks of the application processes
+ *
+ * This functions is currently not used but it is quite convenient
+ * to call from the debugger.
+ *
+ * Does not work when an application thread is running.
+ */
+void MC_dump_stacks(FILE* file);
+
+void MC_report_assertion_error(void);
+
SG_END_DECL()
#endif
-
