X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d1881aa45492b97948d3eff7b8c5357571e2142d..d8710e879515b185393e2fa3a53d7377853cd25c:/src/mc/mc_global.c diff --git a/src/mc/mc_global.c b/src/mc/mc_global.c index 43d50974e9..59425b305f 100644 --- a/src/mc/mc_global.c +++ b/src/mc/mc_global.c @@ -1,399 +1,369 @@ -/* Copyright (c) 2008-2013 Da SimGrid Team. All rights reserved. */ +/* Copyright (c) 2008-2014. 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. */ +#include "mc_base.h" + +#ifndef _XBT_WIN32 #include #include #include #include +#include +#include +#endif #include "simgrid/sg_config.h" #include "../surf/surf_private.h" #include "../simix/smx_private.h" -#include "../xbt/mmalloc/mmprivate.h" #include "xbt/fifo.h" -#include "mc_private.h" #include "xbt/automaton.h" #include "xbt/dict.h" -XBT_LOG_NEW_CATEGORY(mc, "All MC categories"); -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc, - "Logging specific to MC (global)"); - -/* Configuration support */ -e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset; - -int _sg_do_model_check = 0; -int _sg_mc_checkpoint=0; -char* _sg_mc_property_file=NULL; -int _sg_mc_timeout=0; -int _sg_mc_max_depth=1000; -int _sg_mc_visited=0; -char *_sg_mc_dot_output_file = NULL; - -extern int _sg_init_status; -void _mc_cfg_cb_reduce(const char *name, int pos) { - if (_sg_init_status && !_sg_do_model_check) { - xbt_die("You are specifying a reduction strategy after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry."); - } - char *val= xbt_cfg_get_string(_sg_cfg_set, name); - if (!strcasecmp(val,"none")) { - mc_reduce_kind = e_mc_reduce_none; - } else if (!strcasecmp(val,"dpor")) { - mc_reduce_kind = e_mc_reduce_dpor; - } else { - xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name); - } -} - -void _mc_cfg_cb_checkpoint(const char *name, int pos) { - if (_sg_init_status && !_sg_do_model_check) { - xbt_die("You are specifying a checkpointing value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry."); - } - _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name); -} -void _mc_cfg_cb_property(const char *name, int pos) { - if (_sg_init_status && !_sg_do_model_check) { - xbt_die("You are specifying a property after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry."); - } - _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name); -} +#ifdef HAVE_MC +#define UNW_LOCAL_ONLY +#include -void _mc_cfg_cb_timeout(const char *name, int pos) { - if (_sg_init_status && !_sg_do_model_check) { - xbt_die("You are specifying a value to enable/disable timeout for wait requests after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry."); - } - _sg_mc_timeout= xbt_cfg_get_int(_sg_cfg_set, name); -} +#include "../xbt/mmalloc/mmprivate.h" +#include "mc_object_info.h" +#include "mc_comm_pattern.h" +#include "mc_request.h" +#include "mc_safety.h" +#include "mc_memory_map.h" +#include "mc_snapshot.h" +#include "mc_liveness.h" +#include "mc_private.h" +#endif +#include "mc_record.h" -void _mc_cfg_cb_max_depth(const char *name, int pos) { - if (_sg_init_status && !_sg_do_model_check) { - xbt_die("You are specifying a max depth value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry."); - } - _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name); -} +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc, + "Logging specific to MC (global)"); -void _mc_cfg_cb_visited(const char *name, int pos) { - if (_sg_init_status && !_sg_do_model_check) { - xbt_die("You are specifying a number of stored visited states after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry."); - } - _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name); -} +double *mc_time = NULL; -void _mc_cfg_cb_dot_output(const char *name, int pos) { - if (_sg_init_status && !_sg_do_model_check) { - xbt_die("You are specifying a file name for a dot output of graph state after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry."); - } - _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name); -} +#ifdef HAVE_MC +int user_max_depth_reached = 0; /* MC global data structures */ - mc_state_t mc_current_state = NULL; char mc_replay_mode = FALSE; -double *mc_time = NULL; -mc_comparison_times_t mc_comp_times = NULL; -double mc_snapshot_comparison_time; -mc_stats_t mc_stats = NULL; - -/* Safety */ -xbt_fifo_t mc_stack_safety = NULL; -mc_global_t initial_state_safety = NULL; +__thread mc_comparison_times_t mc_comp_times = NULL; +__thread double mc_snapshot_comparison_time; +mc_stats_t mc_stats = NULL; +mc_global_t initial_global_state = NULL; +xbt_fifo_t mc_stack = NULL; /* Liveness */ +xbt_automaton_t _mc_property_automaton = NULL; -xbt_fifo_t mc_stack_liveness = NULL; -mc_global_t initial_state_liveness = NULL; -int compare; +/* Variables */ +mc_object_info_t mc_libsimgrid_info = NULL; +mc_object_info_t mc_binary_info = NULL; -/* Local */ -xbt_dict_t mc_local_variables = NULL; -/* Global */ -xbt_dynar_t mc_global_variables = NULL; +mc_object_info_t mc_object_infos[2] = { NULL, NULL }; -/* Ignore mechanism */ -xbt_dynar_t mc_stack_comparison_ignore; -xbt_dynar_t mc_data_bss_comparison_ignore; -extern xbt_dynar_t mc_heap_comparison_ignore; -extern xbt_dynar_t stacks_areas; +size_t mc_object_infos_size = 2; +/* Dot output */ FILE *dot_output = NULL; -const char* colors[10]; +const char *colors[13]; -xbt_automaton_t _mc_property_automaton = NULL; -/* Static functions */ +/******************************* Initialisation of MC *******************************/ +/*********************************************************************************/ -static void MC_assert_pair(int prop); -static dw_location_t get_location(xbt_dict_t location_list, char *expr); -static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset); -static size_t data_bss_ignore_size(void *address); -static void MC_get_global_variables(char *elf_file); +static void MC_init_dot_output() +{ /* FIXME : more colors */ -void MC_do_the_modelcheck_for_real() { + colors[0] = "blue"; + colors[1] = "red"; + colors[2] = "green3"; + colors[3] = "goldenrod"; + colors[4] = "brown"; + colors[5] = "purple"; + colors[6] = "magenta"; + colors[7] = "turquoise4"; + colors[8] = "gray25"; + colors[9] = "forestgreen"; + colors[10] = "hotpink"; + colors[11] = "lightblue"; + colors[12] = "tan"; - MC_SET_RAW_MEM; - mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1); - MC_UNSET_RAW_MEM; - - if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){ - MC_SET_RAW_MEM; - MC_init_dot_output(); - MC_UNSET_RAW_MEM; + dot_output = fopen(_sg_mc_dot_output_file, "w"); + + if (dot_output == NULL) { + perror("Error open dot output file"); + xbt_abort(); } - if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') { - if (mc_reduce_kind==e_mc_reduce_unset) - mc_reduce_kind=e_mc_reduce_dpor; + fprintf(dot_output, + "digraph graphname{\n fixedsize=true; rankdir=TB; ranksep=.25; edge [fontsize=12]; node [fontsize=10, shape=circle,width=.5 ]; graph [resolution=20, fontsize=10];\n"); + +} + +static void MC_init_debug_info(void) +{ + XBT_INFO("Get debug information ..."); - XBT_INFO("Check a safety property"); - MC_modelcheck_safety(); + memory_map_t maps = MC_get_memory_map(); - } else { + /* Get local variables for state equality detection */ + mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1); + mc_object_infos[0] = mc_binary_info; - if (mc_reduce_kind==e_mc_reduce_unset) - mc_reduce_kind=e_mc_reduce_none; + mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0); + mc_object_infos[1] = mc_libsimgrid_info; - XBT_INFO("Check the liveness property %s",_sg_mc_property_file); - MC_automaton_load(_sg_mc_property_file); - MC_modelcheck_liveness(); - } + // Use information of the other objects: + MC_post_process_object_info(mc_binary_info); + MC_post_process_object_info(mc_libsimgrid_info); + + MC_free_memory_map(maps); + XBT_INFO("Get debug information done !"); } -void MC_compare(void){ - compare = 1; +mc_model_checker_t mc_model_checker = NULL; + +mc_model_checker_t MC_model_checker_new() +{ + mc_model_checker_t mc = xbt_new0(s_mc_model_checker_t, 1); + mc->pages = mc_pages_store_new(); + mc->fd_clear_refs = -1; + mc->fd_pagemap = -1; + return mc; +} + +void MC_model_checker_delete(mc_model_checker_t mc) { + mc_pages_store_delete(mc->pages); + if(mc->record) + xbt_dynar_free(&mc->record); } -void MC_init(){ +void MC_init() +{ + int raw_mem_set = (mmalloc_get_current_heap() == mc_heap); - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - - compare = 0; + mc_time = xbt_new0(double, simix_process_maxpid); /* Initialize the data structures that must be persistent across every iteration of the model-checker (in RAW memory) */ - MC_SET_RAW_MEM; + MC_SET_MC_HEAP; + + mc_model_checker = MC_model_checker_new(); + + mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1); + + /* Initialize statistics */ + mc_stats = xbt_new0(s_mc_stats_t, 1); + mc_stats->state_size = 1; MC_init_memory_map_info(); - - mc_local_variables = xbt_dict_new_homogeneous(NULL); + MC_init_debug_info(); /* FIXME : get debug information only if liveness verification or visited state reduction */ - /* Get local variables in binary for state equality detection */ - xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name); - MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables); + if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) + MC_init_dot_output(); - /* Get local variables in libsimgrid for state equality detection */ - xbt_dict_t libsimgrid_location_list = MC_get_location_list(libsimgrid_path); - MC_get_local_variables(libsimgrid_path, libsimgrid_location_list, &mc_local_variables); + /* Init parmap */ + //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT); - xbt_dict_free(&libsimgrid_location_list); - xbt_dict_free(&binary_location_list); - - /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */ - get_libsimgrid_plt_section(); - get_binary_plt_section(); + MC_SET_STD_HEAP; - /* Get global variables */ - MC_get_global_variables(xbt_binary_name); - MC_get_global_variables(libsimgrid_path); + if (_sg_mc_visited > 0 || _sg_mc_liveness || _sg_mc_termination) { + /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */ + MC_ignore_local_variable("e", "*"); + MC_ignore_local_variable("__ex_cleanup", "*"); + MC_ignore_local_variable("__ex_mctx_en", "*"); + MC_ignore_local_variable("__ex_mctx_me", "*"); + MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*"); + MC_ignore_local_variable("_log_ev", "*"); + MC_ignore_local_variable("_throw_ctx", "*"); + MC_ignore_local_variable("ctx", "*"); - MC_UNSET_RAW_MEM; + MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot"); + MC_ignore_local_variable("next_cont" + "ext", "smx_ctx_sysv_suspend_serial"); + MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial"); - /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */ - MC_ignore_stack("e", "*"); - MC_ignore_stack("__ex_cleanup", "*"); - MC_ignore_stack("__ex_mctx_en", "*"); - MC_ignore_stack("__ex_mctx_me", "*"); - MC_ignore_stack("__xbt_ex_ctx_ptr", "*"); - MC_ignore_stack("_log_ev", "*"); - MC_ignore_stack("_throw_ctx", "*"); - MC_ignore_stack("ctx", "*"); + /* Ignore local variable about time used for tracing */ + MC_ignore_local_variable("start_time", "*"); - MC_ignore_stack("next_context", "smx_ctx_sysv_suspend_serial"); - MC_ignore_stack("i", "smx_ctx_sysv_suspend_serial"); + /* Main MC state: */ + MC_ignore_global_variable("mc_model_checker"); + MC_ignore_global_variable("initial_communications_pattern"); + MC_ignore_global_variable("incomplete_communications_pattern"); + MC_ignore_global_variable("nb_comm_pattern"); - /* Ignore local variable about time used for tracing */ - MC_ignore_stack("start_time", "*"); + /* MC __thread variables: */ + MC_ignore_global_variable("mc_diff_info"); + MC_ignore_global_variable("mc_comp_times"); + MC_ignore_global_variable("mc_snapshot_comparison_time"); - MC_ignore_data_bss(&mc_comp_times, sizeof(mc_comp_times)); - MC_ignore_data_bss(&mc_snapshot_comparison_time, sizeof(mc_snapshot_comparison_time)); - MC_ignore_data_bss(&mc_time, sizeof(mc_time)); + /* This MC state is used in MC replay as well: */ + MC_ignore_global_variable("mc_time"); - if(raw_mem_set) - MC_SET_RAW_MEM; + /* Static variable used for tracing */ + MC_ignore_global_variable("counter"); -} + /* SIMIX */ + MC_ignore_global_variable("smx_total_comms"); -void MC_init_dot_output(){ + MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double)); - colors[0] = "blue"; - colors[1] = "red"; - colors[2] = "green"; - colors[3] = "pink"; - colors[4] = "brown"; - colors[5] = "purple"; - colors[6] = "yellow"; - colors[7] = "orange"; - - dot_output = fopen(_sg_mc_dot_output_file, "w"); - - if(dot_output == NULL){ - perror("Error open dot output file"); - xbt_abort(); + smx_process_t process; + xbt_swag_foreach(process, simix_global->process_list) { + MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup)); + } } - fprintf(dot_output, "digraph graphname{\n fixedsize=true; rankdir=TB; ranksep=.20; edge [fontsize=12]; node [fontsize=10, shape=circle,width=.5 ]; graph [resolution=20, fontsize=10];\n"); + if (raw_mem_set) + MC_SET_MC_HEAP; } -void MC_modelcheck_safety(void) +/******************************* Core of MC *******************************/ +/**************************************************************************/ + +static void MC_modelcheck_comm_determinism_init(void) { - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - /* Check if MC is already initialized */ - if (initial_state_safety) - return; + int mc_mem_set = (mmalloc_get_current_heap() == mc_heap); - mc_time = xbt_new0(double, simix_process_maxpid); + MC_init(); - /* mc_time refers to clock for each process -> ignore it for heap comparison */ - MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double)); + if (!mc_mem_set) + MC_SET_MC_HEAP; - /* Initialize the data structures that must be persistent across every - iteration of the model-checker (in RAW memory) */ - - MC_SET_RAW_MEM; + /* Create exploration stack */ + mc_stack = xbt_fifo_new(); - /* Initialize statistics */ - mc_stats = xbt_new0(s_mc_stats_t, 1); - mc_stats->state_size = 1; + MC_SET_STD_HEAP; + + MC_pre_modelcheck_comm_determinism(); + + MC_SET_MC_HEAP; + initial_global_state = xbt_new0(s_mc_global_t, 1); + initial_global_state->snapshot = MC_take_snapshot(0); + initial_global_state->initial_communications_pattern_done = 0; + initial_global_state->comm_deterministic = 1; + initial_global_state->send_deterministic = 1; + MC_SET_STD_HEAP; + + MC_modelcheck_comm_determinism(); + + if(mc_mem_set) + MC_SET_MC_HEAP; + +} + +static void MC_modelcheck_safety_init(void) +{ + int mc_mem_set = (mmalloc_get_current_heap() == mc_heap); + + _sg_mc_safety = 1; + + MC_init(); + + if (!mc_mem_set) + MC_SET_MC_HEAP; /* Create exploration stack */ - mc_stack_safety = xbt_fifo_new(); - - MC_UNSET_RAW_MEM; - - if(_sg_mc_visited > 0){ - MC_init(); - }else{ - MC_SET_RAW_MEM; - MC_init_memory_map_info(); - get_libsimgrid_plt_section(); - get_binary_plt_section(); - MC_UNSET_RAW_MEM; - } + mc_stack = xbt_fifo_new(); - MC_dpor_init(); + MC_SET_STD_HEAP; - MC_SET_RAW_MEM; + MC_pre_modelcheck_safety(); + + MC_SET_MC_HEAP; /* Save the initial state */ - initial_state_safety = xbt_new0(s_mc_global_t, 1); - initial_state_safety->snapshot = MC_take_snapshot(); - MC_UNSET_RAW_MEM; + initial_global_state = xbt_new0(s_mc_global_t, 1); + initial_global_state->snapshot = MC_take_snapshot(0); + MC_SET_STD_HEAP; - MC_dpor(); + MC_modelcheck_safety(); - if(raw_mem_set) - MC_SET_RAW_MEM; + if (mc_mem_set) + MC_SET_MC_HEAP; - MC_exit(); + xbt_abort(); + //MC_exit(); } -void MC_modelcheck_liveness(){ +static void MC_modelcheck_liveness_init() +{ - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); + int mc_mem_set = (mmalloc_get_current_heap() == mc_heap); - MC_init(); + _sg_mc_liveness = 1; - mc_time = xbt_new0(double, simix_process_maxpid); + MC_init(); - /* mc_time refers to clock for each process -> ignore it for heap comparison */ - MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double)); - - MC_SET_RAW_MEM; - - /* Initialize statistics */ - mc_stats = xbt_new0(s_mc_stats_t, 1); - mc_stats->state_size = 1; + if (!mc_mem_set) + MC_SET_MC_HEAP; /* Create exploration stack */ - mc_stack_liveness = xbt_fifo_new(); + mc_stack = xbt_fifo_new(); /* Create the initial state */ - initial_state_liveness = xbt_new0(s_mc_global_t, 1); + initial_global_state = xbt_new0(s_mc_global_t, 1); - MC_UNSET_RAW_MEM; + MC_SET_STD_HEAP; - MC_ddfs_init(); + MC_pre_modelcheck_liveness(); /* We're done */ MC_print_statistics(mc_stats); xbt_free(mc_time); - if(raw_mem_set) - MC_SET_RAW_MEM; + if (mc_mem_set) + MC_SET_MC_HEAP; } - -void MC_exit(void) +void MC_do_the_modelcheck_for_real() { - MC_SET_RAW_MEM; - if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){ - fprintf(dot_output, "}\n"); - fclose(dot_output); - } - MC_UNSET_RAW_MEM; - - xbt_free(mc_time); - MC_memory_exit(); - xbt_abort(); -} - -int SIMIX_pre_mc_random(smx_simcall_t simcall){ - return simcall->mc_value; + if (_sg_mc_comms_determinism || _sg_mc_send_determinism) { + XBT_INFO("Check communication determinism"); + MC_modelcheck_comm_determinism_init(); + } else if (!_sg_mc_property_file || _sg_mc_property_file[0] == '\0') { + if (mc_reduce_kind == e_mc_reduce_unset) + mc_reduce_kind = e_mc_reduce_dpor; + if(_sg_mc_termination) + XBT_INFO("Check non progressive cycles"); + else + XBT_INFO("Check a safety property"); + MC_modelcheck_safety_init(); + } else { + if (mc_reduce_kind == e_mc_reduce_unset) + mc_reduce_kind = e_mc_reduce_none; + XBT_INFO("Check the liveness property %s", _sg_mc_property_file); + MC_automaton_load(_sg_mc_property_file); + MC_modelcheck_liveness_init(); + } } -int MC_random(void) +void MC_exit(void) { - /*FIXME: return mc_current_state->executed_transition->random.value;*/ - return simcall_mc_random(); -} + xbt_free(mc_time); -/** - * \brief Schedules all the process that are ready to run - */ -void MC_wait_for_requests(void) -{ - smx_process_t process; - smx_simcall_t req; - unsigned int iter; - - while (!xbt_dynar_is_empty(simix_global->process_to_run)) { - SIMIX_process_runall(); - xbt_dynar_foreach(simix_global->process_that_ran, iter, process) { - req = &process->simcall; - if (req->call != SIMCALL_NONE && !MC_request_is_visible(req)) - SIMIX_simcall_pre(req, 0); - } - } + MC_memory_exit(); + //xbt_abort(); } int MC_deadlock_check() { int deadlock = FALSE; smx_process_t process; - if(xbt_swag_size(simix_global->process_list)){ + if (xbt_swag_size(simix_global->process_list)) { deadlock = TRUE; - xbt_swag_foreach(process, simix_global->process_list){ - if(process->simcall.call != SIMCALL_NONE - && MC_request_is_enabled(&process->simcall)){ + xbt_swag_foreach(process, simix_global->process_list) { + if (MC_request_is_enabled(&process->simcall)) { deadlock = FALSE; break; } @@ -402,53 +372,122 @@ int MC_deadlock_check() return deadlock; } +void handle_comm_pattern(e_mc_call_type_t call_type, smx_simcall_t req, int value, xbt_dynar_t pattern, int backtracking) { + + switch(call_type) { + case MC_CALL_TYPE_NONE: + break; + case MC_CALL_TYPE_SEND: + case MC_CALL_TYPE_RECV: + get_comm_pattern(pattern, req, call_type); + break; + case MC_CALL_TYPE_WAIT: + case MC_CALL_TYPE_WAITANY: + { + smx_synchro_t current_comm = NULL; + if (call_type == MC_CALL_TYPE_WAIT) + current_comm = simcall_comm_wait__get__comm(req); + else + current_comm = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_synchro_t); + // First wait only must be considered: + if (current_comm->comm.refcount == 1) + complete_comm_pattern(pattern, current_comm, backtracking); + break; + } + default: + xbt_die("Unexpected call type %i", (int)call_type); + } + +} + +static void MC_restore_communications_pattern(mc_state_t state) { + mc_list_comm_pattern_t list_process_comm; + unsigned int cursor, cursor2; + xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm){ + list_process_comm->index_comm = (int)xbt_dynar_get_as(state->index_comm, cursor, int); + } + mc_comm_pattern_t comm; + cursor = 0; + xbt_dynar_t initial_incomplete_process_comms, incomplete_process_comms; + for(int i=0; iincomplete_comm_pattern, i, xbt_dynar_t); + xbt_dynar_foreach(incomplete_process_comms, cursor2, comm) { + mc_comm_pattern_t copy_comm = xbt_new0(s_mc_comm_pattern_t, 1); + copy_comm->index = comm->index; + copy_comm->type = comm->type; + copy_comm->comm = comm->comm; + copy_comm->rdv = strdup(comm->rdv); + copy_comm->data_size = -1; + copy_comm->data = NULL; + if(comm->type == SIMIX_COMM_SEND){ + copy_comm->src_proc = comm->src_proc; + copy_comm->src_host = comm->src_host; + if(comm->data != NULL){ + copy_comm->data_size = comm->data_size; + copy_comm->data = xbt_malloc0(comm->data_size); + memcpy(copy_comm->data, comm->data, comm->data_size); + } + }else{ + copy_comm->dst_proc = comm->dst_proc; + copy_comm->dst_host = comm->dst_host; + } + xbt_dynar_push(initial_incomplete_process_comms, ©_comm); + } + } +} + /** * \brief Re-executes from the state at position start all the transitions indicated by * a given model-checker stack. * \param stack The stack with the transitions to execute. * \param start Start index to begin the re-execution. */ -void MC_replay(xbt_fifo_t stack, int start) +void MC_replay(xbt_fifo_t stack) { - int raw_mem = (mmalloc_get_current_heap() == raw_heap); + int raw_mem = (mmalloc_get_current_heap() == mc_heap); - int value, i = 1, count = 1; + int value, count = 1, j; char *req_str; smx_simcall_t req = NULL, saved_req = NULL; xbt_fifo_item_t item, start_item; mc_state_t state; - smx_process_t process = NULL; - + XBT_DEBUG("**** Begin Replay ****"); - if(start == -1){ - /* Restore the initial state */ - MC_restore_snapshot(initial_state_safety->snapshot); - /* At the moment of taking the snapshot the raw heap was set, so restoring - * it will set it back again, we have to unset it to continue */ - MC_UNSET_RAW_MEM; + /* Intermediate backtracking */ + if(_sg_mc_checkpoint > 0) { + start_item = xbt_fifo_get_first_item(stack); + state = (mc_state_t)xbt_fifo_get_item_content(start_item); + if(state->system_state){ + MC_restore_snapshot(state->system_state); + if(_sg_mc_comms_determinism || _sg_mc_send_determinism) + MC_restore_communications_pattern(state); + MC_SET_STD_HEAP; + return; + } } + + /* Restore the initial state */ + MC_restore_snapshot(initial_global_state->snapshot); + /* At the moment of taking the snapshot the raw heap was set, so restoring + * it will set it back again, we have to unset it to continue */ + MC_SET_STD_HEAP; + start_item = xbt_fifo_get_last_item(stack); - if(start != -1){ - while (i != start){ - start_item = xbt_fifo_get_prev_item(start_item); - i++; - } - } + + MC_SET_MC_HEAP; - MC_SET_RAW_MEM; - xbt_dict_reset(first_enabled_state); - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - char *key = bprintf("%lu", process->pid); - char *data = bprintf("%d", count); - xbt_dict_set(first_enabled_state, key, data, NULL); - xbt_free(key); + if (_sg_mc_comms_determinism || _sg_mc_send_determinism) { + for (j=0; jindex_comm = 0; } } - MC_UNSET_RAW_MEM; - + + MC_SET_STD_HEAP; /* Traverse the stack from the state at position start and re-execute the transitions */ for (item = start_item; @@ -457,45 +496,36 @@ void MC_replay(xbt_fifo_t stack, int start) state = (mc_state_t) xbt_fifo_get_item_content(item); saved_req = MC_state_get_executed_request(state, &value); - - MC_SET_RAW_MEM; - char *key = bprintf("%lu", saved_req->issuer->pid); - xbt_dict_remove(first_enabled_state, key); - xbt_free(key); - MC_UNSET_RAW_MEM; - - if(saved_req){ + + if (saved_req) { /* because we got a copy of the executed request, we have to fetch the real one, pointed by the request field of the issuer process */ req = &saved_req->issuer->simcall; /* Debug information */ - if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){ + if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) { req_str = MC_request_to_string(req, value); XBT_DEBUG("Replay: %s (%p)", req_str, state); xbt_free(req_str); } + + /* TODO : handle test and testany simcalls */ + e_mc_call_type_t call = MC_CALL_TYPE_NONE; + if (_sg_mc_comms_determinism || _sg_mc_send_determinism) + call = mc_get_call_type(req); + + SIMIX_simcall_handle(req, value); + + MC_SET_MC_HEAP; + if (_sg_mc_comms_determinism || _sg_mc_send_determinism) + handle_comm_pattern(call, req, value, NULL, 1); + MC_SET_STD_HEAP; + + MC_wait_for_requests(); + + count++; } - - SIMIX_simcall_pre(req, value); - MC_wait_for_requests(); - - count++; - - MC_SET_RAW_MEM; - /* Insert in dict all enabled processes */ - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){ - char *key = bprintf("%lu", process->pid); - if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){ - char *data = bprintf("%d", count); - xbt_dict_set(first_enabled_state, key, data, NULL); - } - xbt_free(key); - } - } - MC_UNSET_RAW_MEM; - + /* Update statistics */ mc_stats->visited_states++; mc_stats->executed_transitions++; @@ -504,80 +534,46 @@ void MC_replay(xbt_fifo_t stack, int start) XBT_DEBUG("**** End Replay ****"); - if(raw_mem) - MC_SET_RAW_MEM; + if (raw_mem) + MC_SET_MC_HEAP; else - MC_UNSET_RAW_MEM; - + MC_SET_STD_HEAP; + } -void MC_replay_liveness(xbt_fifo_t stack, int all_stack) +void MC_replay_liveness(xbt_fifo_t stack) { - initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap); + initial_global_state->raw_mem_set = (mmalloc_get_current_heap() == mc_heap); - int value; - char *req_str; - smx_simcall_t req = NULL, saved_req = NULL; xbt_fifo_item_t item; - mc_state_t state; - mc_pair_t pair; - int depth = 1; + mc_pair_t pair = NULL; + mc_state_t state = NULL; + smx_simcall_t req = NULL, saved_req = NULL; + int value, depth = 1; + char *req_str; XBT_DEBUG("**** Begin Replay ****"); + /* Intermediate backtracking */ + if(_sg_mc_checkpoint > 0) { + item = xbt_fifo_get_first_item(stack); + pair = (mc_pair_t) xbt_fifo_get_item_content(item); + if(pair->graph_state->system_state){ + MC_restore_snapshot(pair->graph_state->system_state); + MC_SET_STD_HEAP; + return; + } + } + /* Restore the initial state */ - MC_restore_snapshot(initial_state_liveness->snapshot); + MC_restore_snapshot(initial_global_state->snapshot); /* At the moment of taking the snapshot the raw heap was set, so restoring * it will set it back again, we have to unset it to continue */ - if(!initial_state_liveness->raw_mem_set) - MC_UNSET_RAW_MEM; - - if(all_stack){ - - item = xbt_fifo_get_last_item(stack); - - while(depth <= xbt_fifo_size(stack)){ - - pair = (mc_pair_t) xbt_fifo_get_item_content(item); - state = (mc_state_t) pair->graph_state; - - if(pair->requests > 0){ - - saved_req = MC_state_get_executed_request(state, &value); - //XBT_DEBUG("SavedReq->call %u", saved_req->call); - - if(saved_req != NULL){ - /* because we got a copy of the executed request, we have to fetch the - real one, pointed by the request field of the issuer process */ - req = &saved_req->issuer->simcall; - //XBT_DEBUG("Req->call %u", req->call); - - /* Debug information */ - if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){ - req_str = MC_request_to_string(req, value); - XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state); - xbt_free(req_str); - } - - } - - SIMIX_simcall_pre(req, value); - MC_wait_for_requests(); - } - - depth++; - - /* Update statistics */ - mc_stats->visited_pairs++; - mc_stats->executed_transitions++; - - item = xbt_fifo_get_prev_item(item); - } - - }else{ + if (!initial_global_state->raw_mem_set) + MC_SET_STD_HEAP; /* Traverse the stack from the initial state and re-execute the transitions */ for (item = xbt_fifo_get_last_item(stack); @@ -585,47 +581,46 @@ void MC_replay_liveness(xbt_fifo_t stack, int all_stack) item = xbt_fifo_get_prev_item(item)) { pair = (mc_pair_t) xbt_fifo_get_item_content(item); + state = (mc_state_t) pair->graph_state; - if(pair->requests > 0){ - + if (pair->exploration_started) { + saved_req = MC_state_get_executed_request(state, &value); - //XBT_DEBUG("SavedReq->call %u", saved_req->call); - - if(saved_req != NULL){ - /* because we got a copy of the executed request, we have to fetch the + + if (saved_req != NULL) { + /* because we got a copy of the executed request, we have to fetch the real one, pointed by the request field of the issuer process */ req = &saved_req->issuer->simcall; - //XBT_DEBUG("Req->call %u", req->call); - + /* Debug information */ - if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){ + if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) { req_str = MC_request_to_string(req, value); XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state); xbt_free(req_str); } - + } - - SIMIX_simcall_pre(req, value); + + SIMIX_simcall_handle(req, value); MC_wait_for_requests(); } - depth++; - /* Update statistics */ mc_stats->visited_pairs++; mc_stats->executed_transitions++; + + depth++; + } - } XBT_DEBUG("**** End Replay ****"); - if(initial_state_liveness->raw_mem_set) - MC_SET_RAW_MEM; + if (initial_global_state->raw_mem_set) + MC_SET_MC_HEAP; else - MC_UNSET_RAW_MEM; - + MC_SET_STD_HEAP; + } /** @@ -635,1372 +630,245 @@ void MC_replay_liveness(xbt_fifo_t stack, int all_stack) */ void MC_dump_stack_safety(xbt_fifo_t stack) { - - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - - MC_show_stack_safety(stack); - if(!_sg_mc_checkpoint){ + int raw_mem_set = (mmalloc_get_current_heap() == mc_heap); - mc_state_t state; - - MC_SET_RAW_MEM; - while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL) - MC_state_delete(state); - MC_UNSET_RAW_MEM; - - } + MC_show_stack_safety(stack); + + mc_state_t state; + + MC_SET_MC_HEAP; + while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL) + MC_state_delete(state, !state->in_visited_states ? 1 : 0); + MC_SET_STD_HEAP; - if(raw_mem_set) - MC_SET_RAW_MEM; + if (raw_mem_set) + MC_SET_MC_HEAP; else - MC_UNSET_RAW_MEM; - + MC_SET_STD_HEAP; + } void MC_show_stack_safety(xbt_fifo_t stack) { + + int raw_mem_set = (mmalloc_get_current_heap() == mc_heap); + + MC_SET_MC_HEAP; + int value; mc_state_t state; xbt_fifo_item_t item; smx_simcall_t req; char *req_str = NULL; - + for (item = xbt_fifo_get_last_item(stack); (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item))) : (NULL)); item = xbt_fifo_get_prev_item(item)) { req = MC_state_get_executed_request(state, &value); - if(req){ + if (req) { req_str = MC_request_to_string(req, value); XBT_INFO("%s", req_str); xbt_free(req_str); } } + + if (!raw_mem_set) + MC_SET_STD_HEAP; } void MC_show_deadlock(smx_simcall_t req) { - /*char *req_str = NULL;*/ + /*char *req_str = NULL; */ XBT_INFO("**************************"); XBT_INFO("*** DEAD-LOCK DETECTED ***"); XBT_INFO("**************************"); XBT_INFO("Locked request:"); /*req_str = MC_request_to_string(req); - XBT_INFO("%s", req_str); - xbt_free(req_str);*/ + XBT_INFO("%s", req_str); + xbt_free(req_str); */ XBT_INFO("Counter-example execution trace:"); - MC_dump_stack_safety(mc_stack_safety); + MC_dump_stack_safety(mc_stack); + MC_print_statistics(mc_stats); } +void MC_show_non_termination(void){ + XBT_INFO("******************************************"); + XBT_INFO("*** NON-PROGRESSIVE CYCLE DETECTED ***"); + XBT_INFO("******************************************"); + XBT_INFO("Counter-example execution trace:"); + MC_dump_stack_safety(mc_stack); + MC_print_statistics(mc_stats); +} -void MC_show_stack_liveness(xbt_fifo_t stack){ - int value; + +void MC_show_stack_liveness(xbt_fifo_t stack) +{ + int value; mc_pair_t pair; xbt_fifo_item_t item; smx_simcall_t req; char *req_str = NULL; - + for (item = xbt_fifo_get_last_item(stack); - (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item))) - : (NULL)); item = xbt_fifo_get_prev_item(item)) { + (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item))) : (NULL)); + item = xbt_fifo_get_prev_item(item)) { req = MC_state_get_executed_request(pair->graph_state, &value); - if(req){ - if(pair->requests>0){ - req_str = MC_request_to_string(req, value); - XBT_INFO("%s", req_str); - xbt_free(req_str); - }else{ - XBT_INFO("End of system requests but evolution in Büchi automaton"); - } + if (req && req->call != SIMCALL_NONE) { + req_str = MC_request_to_string(req, value); + XBT_INFO("%s", req_str); + xbt_free(req_str); } } } -void MC_dump_stack_liveness(xbt_fifo_t stack){ - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); +void MC_dump_stack_liveness(xbt_fifo_t stack) +{ + + int raw_mem_set = (mmalloc_get_current_heap() == mc_heap); mc_pair_t pair; - MC_SET_RAW_MEM; + MC_SET_MC_HEAP; while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL) MC_pair_delete(pair); - MC_UNSET_RAW_MEM; + MC_SET_STD_HEAP; - if(raw_mem_set) - MC_SET_RAW_MEM; + if (raw_mem_set) + MC_SET_MC_HEAP; } void MC_print_statistics(mc_stats_t stats) { - if(stats->expanded_pairs == 0){ + xbt_mheap_t previous_heap = mmalloc_get_current_heap(); + + if (stats->expanded_pairs == 0) { XBT_INFO("Expanded states = %lu", stats->expanded_states); XBT_INFO("Visited states = %lu", stats->visited_states); - }else{ + } else { XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs); XBT_INFO("Visited pairs = %lu", stats->visited_pairs); } XBT_INFO("Executed transitions = %lu", stats->executed_transitions); + MC_SET_MC_HEAP; + if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) { + fprintf(dot_output, "}\n"); + fclose(dot_output); + } + if (initial_global_state != NULL) { + if (_sg_mc_comms_determinism) + XBT_INFO("Communication-deterministic : %s", !initial_global_state->comm_deterministic ? "No" : "Yes"); + if (_sg_mc_send_determinism) + XBT_INFO("Send-deterministic : %s", !initial_global_state->send_deterministic ? "No" : "Yes"); + } + mmalloc_set_current_heap(previous_heap); } void MC_assert(int prop) { - if (MC_is_active() && !prop){ - XBT_INFO("**************************"); - XBT_INFO("*** PROPERTY NOT VALID ***"); - XBT_INFO("**************************"); - XBT_INFO("Counter-example execution trace:"); - MC_dump_stack_safety(mc_stack_safety); - MC_print_statistics(mc_stats); - MC_SET_RAW_MEM; - if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){ - fprintf(dot_output, "}\n"); - fclose(dot_output); - } - MC_UNSET_RAW_MEM; - xbt_abort(); - } -} - -static void MC_assert_pair(int prop){ if (MC_is_active() && !prop) { XBT_INFO("**************************"); XBT_INFO("*** PROPERTY NOT VALID ***"); XBT_INFO("**************************"); - //XBT_INFO("Counter-example execution trace:"); - MC_show_stack_liveness(mc_stack_liveness); - //MC_dump_snapshot_stack(mc_snapshot_stack); + XBT_INFO("Counter-example execution trace:"); + MC_record_dump_path(mc_stack); + MC_dump_stack_safety(mc_stack); MC_print_statistics(mc_stats); xbt_abort(); } } -void MC_process_clock_add(smx_process_t process, double amount) +void MC_cut(void) { - mc_time[process->pid] += amount; + user_max_depth_reached = 1; } -double MC_process_clock_get(smx_process_t process) +void MC_automaton_load(const char *file) { - if(mc_time){ - if(process != NULL) - return mc_time[process->pid]; - else - return -1; - }else{ - return 0; - } -} - -void MC_automaton_load(const char *file){ - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); + int raw_mem_set = (mmalloc_get_current_heap() == mc_heap); - MC_SET_RAW_MEM; + MC_SET_MC_HEAP; if (_mc_property_automaton == NULL) _mc_property_automaton = xbt_automaton_new(); - - xbt_automaton_load(_mc_property_automaton,file); - MC_UNSET_RAW_MEM; + xbt_automaton_load(_mc_property_automaton, file); + + MC_SET_STD_HEAP; - if(raw_mem_set) - MC_SET_RAW_MEM; + if (raw_mem_set) + MC_SET_MC_HEAP; } -void MC_automaton_new_propositional_symbol(const char* id, void* fct) { +void MC_automaton_new_propositional_symbol(const char *id, void *fct) +{ - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); + int raw_mem_set = (mmalloc_get_current_heap() == mc_heap); - MC_SET_RAW_MEM; + MC_SET_MC_HEAP; if (_mc_property_automaton == NULL) _mc_property_automaton = xbt_automaton_new(); - xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct); - - MC_UNSET_RAW_MEM; - - if(raw_mem_set) - MC_SET_RAW_MEM; - -} - -/************ MC_ignore ***********/ - -void heap_ignore_region_free(mc_heap_ignore_region_t r){ - xbt_free(r); -} - -void heap_ignore_region_free_voidp(void *r){ - heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r); -} - -void MC_ignore_heap(void *address, size_t size){ - - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - - MC_SET_RAW_MEM; - - mc_heap_ignore_region_t region = NULL; - region = xbt_new0(s_mc_heap_ignore_region_t, 1); - region->address = address; - region->size = size; - - region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1; - - if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){ - region->fragment = -1; - ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++; - }else{ - region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type; - ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++; - } - - if(mc_heap_comparison_ignore == NULL){ - mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp); - xbt_dynar_push(mc_heap_comparison_ignore, ®ion); - if(!raw_mem_set) - MC_UNSET_RAW_MEM; - return; - } - - unsigned int cursor = 0; - mc_heap_ignore_region_t current_region = NULL; - int start = 0; - int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1; - - while(start <= end){ - cursor = (start + end) / 2; - current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t); - if(current_region->address == address){ - heap_ignore_region_free(region); - if(!raw_mem_set) - MC_UNSET_RAW_MEM; - return; - } - if(current_region->address < address) - start = cursor + 1; - if(current_region->address > address) - end = cursor - 1; - } + xbt_automaton_propositional_symbol_new(_mc_property_automaton, id, fct); - if(current_region->address < address) - xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion); - else - xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion); + MC_SET_STD_HEAP; - MC_UNSET_RAW_MEM; + if (raw_mem_set) + MC_SET_MC_HEAP; - if(raw_mem_set) - MC_SET_RAW_MEM; } -void MC_remove_ignore_heap(void *address, size_t size){ - - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - - MC_SET_RAW_MEM; - - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1; - mc_heap_ignore_region_t region; - int ignore_found = 0; - - while(start <= end){ - cursor = (start + end) / 2; - region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t); - if(region->address == address){ - ignore_found = 1; - break; - } - if(region->address < address) - start = cursor + 1; - if(region->address > address){ - if((char * )region->address <= ((char *)address + size)){ - ignore_found = 1; - break; - }else - end = cursor - 1; - } - } - - if(ignore_found == 1){ - xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL); - MC_remove_ignore_heap(address, size); - } - - MC_UNSET_RAW_MEM; - - if(raw_mem_set) - MC_SET_RAW_MEM; - -} - -void MC_ignore_data_bss(void *address, size_t size){ - - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - - MC_SET_RAW_MEM; - - if(mc_data_bss_comparison_ignore == NULL) - mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL); - - mc_data_bss_ignore_variable_t var = NULL; - var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1); - var->address = address; - var->size = size; - - if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){ - - xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var); - - }else{ - - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1; - mc_data_bss_ignore_variable_t current_var = NULL; - - while(start <= end){ - cursor = (start + end) / 2; - current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t); - if(current_var->address == address){ - MC_UNSET_RAW_MEM; - if(raw_mem_set) - MC_SET_RAW_MEM; - return; - } - if(current_var->address < address) - start = cursor + 1; - if(current_var->address > address) - end = cursor - 1; - } - - if(current_var->address < address) - xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var); - else - xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var); - - } - - /* Remove variable from mc_global_variables */ - - if(mc_global_variables != NULL){ - - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_global_variables) - 1; - global_variable_t current_var; - int var_found; - - while(start <= end){ - cursor = (start + end) / 2; - current_var = (global_variable_t)xbt_dynar_get_as(mc_global_variables, cursor, global_variable_t); - if(current_var->address == var->address){ - var_found = 1; - break; - } - if(current_var->address < address) - start = cursor + 1; - if(current_var->address > address) - end = cursor - 1; - } - - if(var_found) - xbt_dynar_remove_at(mc_global_variables, cursor, NULL); - - } +void MC_dump_stacks(FILE* file) +{ + int raw_mem_set = (mmalloc_get_current_heap() == mc_heap); + MC_SET_MC_HEAP; - MC_UNSET_RAW_MEM; + int nstack = 0; + stack_region_t current_stack; + unsigned cursor; + xbt_dynar_foreach(stacks_areas, cursor, current_stack) { + unw_context_t * context = (unw_context_t *)current_stack->context; + fprintf(file, "Stack %i:\n", nstack); - if(raw_mem_set) - MC_SET_RAW_MEM; -} + int nframe = 0; + char buffer[100]; + unw_cursor_t c; + unw_init_local (&c, context); + unw_word_t off; + do { + const char * name = !unw_get_proc_name(&c, buffer, 100, &off) ? buffer : "?"; + fprintf(file, " %i: %s\n", nframe, name); + ++nframe; + } while(unw_step(&c)); -static size_t data_bss_ignore_size(void *address){ - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1; - mc_data_bss_ignore_variable_t var; - - while(start <= end){ - cursor = (start + end) / 2; - var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t); - if(var->address == address) - return var->size; - if(var->address < address){ - if((void *)((char *)var->address + var->size) > address) - return (char *)var->address + var->size - (char*)address; - else - start = cursor + 1; - } - if(var->address > address) - end = cursor - 1; + ++nstack; } - return 0; + if (raw_mem_set) + MC_SET_MC_HEAP; } +#endif - - -void MC_ignore_stack(const char *var_name, const char *frame_name){ - - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - - MC_SET_RAW_MEM; - - if(mc_stack_comparison_ignore == NULL) - mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL); - - if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){ - - mc_stack_ignore_variable_t var = NULL; - var = xbt_new0(s_mc_stack_ignore_variable_t, 1); - var->var_name = strdup(var_name); - var->frame = strdup(frame_name); - - xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var); - - }else{ - - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1; - mc_stack_ignore_variable_t current_var = NULL; - - while(start <= end){ - cursor = (start + end) / 2; - current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t); - if(strcmp(current_var->frame, frame_name) == 0){ - if(strcmp(current_var->var_name, var_name) == 0){ - MC_UNSET_RAW_MEM; - if(raw_mem_set) - MC_SET_RAW_MEM; - return; - } - if(strcmp(current_var->var_name, var_name) < 0) - start = cursor + 1; - if(strcmp(current_var->var_name, var_name) > 0) - end = cursor - 1; - } - if(strcmp(current_var->frame, frame_name) < 0) - start = cursor + 1; - if(strcmp(current_var->frame, frame_name) > 0) - end = cursor - 1; - } - - mc_stack_ignore_variable_t var = NULL; - var = xbt_new0(s_mc_stack_ignore_variable_t, 1); - var->var_name = strdup(var_name); - var->frame = strdup(frame_name); - - if(strcmp(current_var->frame, frame_name) < 0) - xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var); +double MC_process_clock_get(smx_process_t process) +{ + if (mc_time) { + if (process != NULL) + return mc_time[process->pid]; else - xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var); - - } - - /* Remove variable from mc_local_variables */ - - if(mc_local_variables != NULL){ - - if(strcmp(frame_name, "*") != 0){ - dw_frame_t frame = xbt_dict_get_or_null(mc_local_variables, frame_name); - if(frame != NULL) - xbt_dict_remove(frame->variables, var_name); - } - - } - - MC_UNSET_RAW_MEM; - - if(raw_mem_set) - MC_SET_RAW_MEM; - -} - -void MC_new_stack_area(void *stack, char *name, void* context, size_t size){ - - int raw_mem_set = (mmalloc_get_current_heap() == raw_heap); - - MC_SET_RAW_MEM; - if(stacks_areas == NULL) - stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL); - - stack_region_t region = NULL; - region = xbt_new0(s_stack_region_t, 1); - region->address = stack; - region->process_name = strdup(name); - region->context = context; - region->size = size; - region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1; - xbt_dynar_push(stacks_areas, ®ion); - - MC_UNSET_RAW_MEM; - - if(raw_mem_set) - MC_SET_RAW_MEM; -} - -/************ DWARF ***********/ - -xbt_dict_t MC_get_location_list(const char *elf_file){ - - char *command = bprintf("objdump -Wo %s", elf_file); - - FILE *fp = popen(command, "r"); - - if(fp == NULL){ - perror("popen for objdump failed"); - xbt_abort(); - } - - int debug = 0; /*Detect if the program has been compiled with -g */ - - xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL); - char *line = NULL, *loc_expr = NULL; - ssize_t read; - size_t n = 0; - int cursor_remove; - xbt_dynar_t split = NULL; - - while ((read = xbt_getline(&line, &n, fp)) != -1) { - - /* Wipeout the new line character */ - line[read - 1] = '\0'; - - xbt_str_trim(line, NULL); - - if(n == 0) - continue; - - if(strlen(line) == 0) - continue; - - if(debug == 0){ - - if(strncmp(line, elf_file, strlen(elf_file)) == 0) - continue; - - if(strncmp(line, "Contents", 8) == 0) - continue; - - if(strncmp(line, "Offset", 6) == 0){ - debug = 1; - continue; - } - } - - if(debug == 0){ - XBT_INFO("Your program must be compiled with -g"); - xbt_abort(); - } - - xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL); - - xbt_str_strip_spaces(line); - split = xbt_str_split(line, " "); - - while(read != -1 && strcmp("lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16); - new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16); - - cursor_remove =0; - while(cursor_remove < 3){ - xbt_dynar_remove_at(split, 0, NULL); - cursor_remove++; - } - - loc_expr = xbt_str_join(split, " "); - xbt_str_ltrim(loc_expr, "("); - xbt_str_rtrim(loc_expr, ")"); - new_entry->location = get_location(NULL, loc_expr); - - xbt_dynar_push(loclist, &new_entry); - - xbt_dynar_free(&split); - free(loc_expr); - - read = xbt_getline(&line, &n, fp); - if(read != -1){ - line[read - 1] = '\0'; - xbt_str_strip_spaces(line); - split = xbt_str_split(line, " "); - } - - } - - - char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16)); - xbt_dict_set(location_list, key, loclist, NULL); - xbt_free(key); - - xbt_dynar_free(&split); - - } - - xbt_free(line); - xbt_free(command); - pclose(fp); - - return location_list; -} - -static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){ - - xbt_dict_cursor_t cursor = NULL; - char *name; - dw_frame_t res; - - xbt_dict_foreach(all_variables, cursor, name, res) { - if(offset >= res->start && offset < res->end){ - xbt_dict_cursor_free(&cursor); - return res; - } - } - - xbt_dict_cursor_free(&cursor); - return NULL; - -} - -void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){ - - char *command = bprintf("objdump -Wi %s", elf_file); - - FILE *fp = popen(command, "r"); - - if(fp == NULL) - perror("popen for objdump failed"); - - char *line = NULL, *origin, *abstract_origin, *current_frame = NULL; - ssize_t read =0; - size_t n = 0; - int valid_variable = 1; - char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL; - xbt_dynar_t split = NULL, split2 = NULL; - - xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL); - xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL); - char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL; - int new_frame = 0, new_variable = 0; - dw_frame_t variable_frame, subroutine_frame = NULL; - - read = xbt_getline(&line, &n, fp); - - while (read != -1) { - - if(n == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - /* Wipeout the new line character */ - line[read - 1] = '\0'; - - if(strlen(line) == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - xbt_str_ltrim(line, NULL); - xbt_str_strip_spaces(line); - - if(line[0] != '<'){ - read = xbt_getline(&line, &n, fp); - continue; - } - - xbt_dynar_free(&split); - split = xbt_str_split(line, " "); - - /* Get node type */ - node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *); - - if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */ - - dw_frame_t frame = NULL; - - strtok(xbt_dynar_get_as(split, 0, char *), "<"); - subprogram_start = strdup(strtok(NULL, "<")); - xbt_str_rtrim(subprogram_start, ">:"); - - read = xbt_getline(&line, &n, fp); - - while(read != -1){ - - if(n == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - /* Wipeout the new line character */ - line[read - 1] = '\0'; - - if(strlen(line) == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - xbt_dynar_free(&split); - xbt_str_rtrim(line, NULL); - xbt_str_strip_spaces(line); - split = xbt_str_split(line, " "); - - node_type = xbt_dynar_get_as(split, 1, char *); - - if(strncmp(node_type, "DW_AT_", 6) != 0) - break; - - if(strcmp(node_type, "DW_AT_sibling") == 0){ - - subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*)); - xbt_str_ltrim(subprogram_end, "<0x"); - xbt_str_rtrim(subprogram_end, ">"); - - }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */ - - new_frame = 0; - abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*)); - xbt_str_ltrim(abstract_origin, "<0x"); - xbt_str_rtrim(abstract_origin, ">"); - subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin); - frame = xbt_dict_get_or_null(*all_variables, subprogram_name); - xbt_free(abstract_origin); - - }else if(strcmp(node_type, "DW_AT_name") == 0){ - - new_frame = 1; - xbt_free(current_frame); - frame = xbt_new0(s_dw_frame_t, 1); - frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *)); - frame->variables = xbt_dict_new_homogeneous(NULL); - frame->frame_base = xbt_new0(s_dw_location_t, 1); - current_frame = strdup(frame->name); - - xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL); - - }else if(strcmp(node_type, "DW_AT_frame_base") == 0){ - - location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *); - - if(strcmp(location_type, "list)") == 0){ /* Search location in location list */ - - frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *)); - - }else{ - - xbt_str_strip_spaces(line); - split2 = xbt_str_split(line, "("); - xbt_dynar_remove_at(split2, 0, NULL); - loc_expr = xbt_str_join(split2, " "); - xbt_str_rtrim(loc_expr, ")"); - frame->frame_base = get_location(NULL, loc_expr); - xbt_dynar_free(&split2); - xbt_free(loc_expr); - - } - - }else if(strcmp(node_type, "DW_AT_low_pc") == 0){ - - if(frame != NULL) - frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16); - - }else if(strcmp(node_type, "DW_AT_high_pc") == 0){ - - if(frame != NULL) - frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16); - - }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){ - - xbt_free(frame->name); - xbt_free(current_frame); - frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *)); - current_frame = strdup(frame->name); - xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL); - - } - - read = xbt_getline(&line, &n, fp); - - } - - if(new_frame == 1){ - frame->start = strtoul(subprogram_start, NULL, 16); - if(subprogram_end != NULL) - frame->end = strtoul(subprogram_end, NULL, 16); - xbt_dict_set(*all_variables, frame->name, frame, NULL); - } - - xbt_free(subprogram_start); - xbt_free(subprogram_end); - subprogram_end = NULL; - - - }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */ - - dw_local_variable_t var = NULL; - - strtok(xbt_dynar_get_as(split, 0, char *), "<"); - origin = strdup(strtok(NULL, "<")); - xbt_str_rtrim(origin, ">:"); - - read = xbt_getline(&line, &n, fp); - - while(read != -1){ - - if(n == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - /* Wipeout the new line character */ - line[read - 1] = '\0'; - - if(strlen(line) == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - xbt_dynar_free(&split); - xbt_str_rtrim(line, NULL); - xbt_str_strip_spaces(line); - split = xbt_str_split(line, " "); - - node_type = xbt_dynar_get_as(split, 1, char *); - - if(strncmp(node_type, "DW_AT_", 6) != 0) - break; - - if(strcmp(node_type, "DW_AT_name") == 0){ - - new_variable = 1; - var = xbt_new0(s_dw_local_variable_t, 1); - var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *)); - - xbt_dict_set(variables_origin, origin, var->name, NULL); - - }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ - - new_variable = 0; - abstract_origin = xbt_dynar_get_as(split, 2, char *); - xbt_str_ltrim(abstract_origin, "<0x"); - xbt_str_rtrim(abstract_origin, ">"); - - variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin); - variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16)); - var = xbt_dict_get_or_null(variable_frame->variables, variable_name); - - }else if(strcmp(node_type, "DW_AT_location") == 0){ - - if(valid_variable == 1 && var != NULL){ - - var->location = xbt_new0(s_dw_location_t, 1); - - location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *); - - if(strcmp(location_type, "list)") == 0){ /* Search location in location list */ - - var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *)); - - }else{ - - xbt_str_strip_spaces(line); - split2 = xbt_str_split(line, "("); - xbt_dynar_remove_at(split2, 0, NULL); - loc_expr = xbt_str_join(split2, " "); - xbt_str_rtrim(loc_expr, ")"); - var->location = get_location(NULL, loc_expr); - xbt_dynar_free(&split2); - xbt_free(loc_expr); - - } - - } - - }else if(strcmp(node_type, "DW_AT_external") == 0){ - - valid_variable = 0; - - } - - read = xbt_getline(&line, &n, fp); - - } - - if(new_variable == 1 && valid_variable == 1){ - - variable_frame = xbt_dict_get_or_null(*all_variables, current_frame); - xbt_dict_set(variable_frame->variables, var->name, var, NULL); - } - - valid_variable = 1; - new_variable = 0; - - }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){ - - strtok(xbt_dynar_get_as(split, 0, char *), "<"); - origin = strdup(strtok(NULL, "<")); - xbt_str_rtrim(origin, ">:"); - - read = xbt_getline(&line, &n, fp); - - while(read != -1){ - - /* Wipeout the new line character */ - line[read - 1] = '\0'; - - if(n == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - if(strlen(line) == 0){ - read = xbt_getline(&line, &n, fp); - continue; - } - - xbt_dynar_free(&split); - xbt_str_rtrim(line, NULL); - xbt_str_strip_spaces(line); - split = xbt_str_split(line, " "); - - if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0) - break; - - node_type = xbt_dynar_get_as(split, 1, char *); - - if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ - - origin = xbt_dynar_get_as(split, 2, char *); - xbt_str_ltrim(origin, "<0x"); - xbt_str_rtrim(origin, ">"); - - subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin); - subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name); - - }else if(strcmp(node_type, "DW_AT_low_pc") == 0){ - - subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16); - - }else if(strcmp(node_type, "DW_AT_high_pc") == 0){ - - subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16); - } - - read = xbt_getline(&line, &n, fp); - - } - - }else{ - - read = xbt_getline(&line, &n, fp); - - } - - } - - xbt_dynar_free(&split); - xbt_free(line); - xbt_free(command); - pclose(fp); - -} - -static dw_location_t get_location(xbt_dict_t location_list, char *expr){ - - dw_location_t loc = xbt_new0(s_dw_location_t, 1); - - if(location_list != NULL){ - - char *key = bprintf("%d", (int)strtoul(expr, NULL, 16)); - loc->type = e_dw_loclist; - loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key); - if(loc->location.loclist == NULL) - XBT_INFO("Key not found in loclist"); - xbt_free(key); - return loc; - - }else{ - - int cursor = 0; - char *tok = NULL, *tok2 = NULL; - - xbt_dynar_t tokens1 = xbt_str_split(expr, ";"); - xbt_dynar_t tokens2; - - loc->type = e_dw_compose; - loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL); - - while(cursor < xbt_dynar_length(tokens1)){ - - tok = xbt_dynar_get_as(tokens1, cursor, char*); - tokens2 = xbt_str_split(tok, " "); - tok2 = xbt_dynar_get_as(tokens2, 0, char*); - - if(strncmp(tok2, "DW_OP_reg", 9) == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_register; - new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg")); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_fbregister_op; - new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_bregister_op; - new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg")); - new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_lit; - new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit")); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok2, "DW_OP_piece:") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_piece; - new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)); - /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1) - new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*)); - else - new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/ - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_plus_uconst; - new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *)); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok, "DW_OP_abs") == 0 || - strcmp(tok, "DW_OP_and") == 0 || - strcmp(tok, "DW_OP_div") == 0 || - strcmp(tok, "DW_OP_minus") == 0 || - strcmp(tok, "DW_OP_mod") == 0 || - strcmp(tok, "DW_OP_mul") == 0 || - strcmp(tok, "DW_OP_neg") == 0 || - strcmp(tok, "DW_OP_not") == 0 || - strcmp(tok, "DW_OP_or") == 0 || - strcmp(tok, "DW_OP_plus") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_arithmetic; - new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_")); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok, "DW_OP_stack_value") == 0){ - }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_deref; - new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)); - /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1) - new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*)); - else - new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/ - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok, "DW_OP_deref") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_deref; - new_element->location.deref_size = sizeof(void *); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok2, "DW_OP_constu:") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_uconstant; - new_element->location.uconstant.bytes = 1; - new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*))); - /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1) - new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*))); - else - new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/ - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok2, "DW_OP_consts:") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_sconstant; - new_element->location.sconstant.bytes = 1; - new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*))); - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok2, "DW_OP_const1u:") == 0 || - strcmp(tok2, "DW_OP_const2u:") == 0 || - strcmp(tok2, "DW_OP_const4u:") == 0 || - strcmp(tok2, "DW_OP_const8u:") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_uconstant; - new_element->location.uconstant.bytes = tok2[11] - '0'; - new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*))); - /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1) - new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*)); - else - new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/ - xbt_dynar_push(loc->location.compose, &new_element); - }else if(strcmp(tok, "DW_OP_const1s") == 0 || - strcmp(tok, "DW_OP_const2s") == 0 || - strcmp(tok, "DW_OP_const4s") == 0 || - strcmp(tok, "DW_OP_const8s") == 0){ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_sconstant; - new_element->location.sconstant.bytes = tok2[11] - '0'; - new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*))); - xbt_dynar_push(loc->location.compose, &new_element); - }else{ - dw_location_t new_element = xbt_new0(s_dw_location_t, 1); - new_element->type = e_dw_unsupported; - xbt_dynar_push(loc->location.compose, &new_element); - } - - cursor++; - xbt_dynar_free(&tokens2); - - } - - xbt_dynar_free(&tokens1); - - return loc; - - } - -} - - -void print_local_variables(xbt_dict_t list){ - - dw_location_entry_t entry; - dw_location_t location_entry; - unsigned int cursor3 = 0, cursor4 = 0; - xbt_dict_cursor_t cursor = 0, cursor2 = 0; - - char *frame_name, *variable_name; - dw_frame_t current_frame; - dw_local_variable_t current_variable; - - xbt_dict_foreach(list, cursor, frame_name, current_frame){ - fprintf(stderr, "Frame name : %s\n", current_frame->name); - fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type); - xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){ - fprintf(stderr, "Name : %s\n", current_variable->name); - if(current_variable->location == NULL) - continue; - fprintf(stderr, "Location type : %d\n", current_variable->location->type); - switch(current_variable->location->type){ - case e_dw_loclist : - xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){ - fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc); - switch(entry->location->type){ - case e_dw_register : - fprintf(stderr, " Location : in register %d\n", entry->location->location.reg); - break; - case e_dw_bregister_op: - fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg); - break; - case e_dw_lit: - fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit); - break; - case e_dw_fbregister_op: - fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op); - break; - case e_dw_compose: - fprintf(stderr, " Location :\n"); - xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){ - switch(location_entry->type){ - case e_dw_register : - fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg); - break; - case e_dw_bregister_op: - fprintf(stderr, " %d) add %d to the value in register %d\n", cursor4 + 1, location_entry->location.breg_op.offset, location_entry->location.breg_op.reg); - break; - case e_dw_lit: - fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit); - break; - case e_dw_fbregister_op: - fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op); - break; - case e_dw_deref: - fprintf(stderr, " %d) Pop the stack entry and treats it as an address (size of data %d)\n", cursor4 + 1, location_entry->location.deref_size); - break; - case e_dw_arithmetic : - fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic); - break; - case e_dw_piece: - fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece); - break; - case e_dw_uconstant : - fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value); - break; - case e_dw_sconstant : - fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value); - break; - default : - fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1); - break; - } - } - break; - default: - fprintf(stderr, "Location type not supported\n"); - break; - } - } - break; - case e_dw_compose: - cursor4 = 0; - fprintf(stderr, "Location :\n"); - xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){ - switch(location_entry->type){ - case e_dw_register : - fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg); - break; - case e_dw_bregister_op: - fprintf(stderr, " %d) add %d to the value in register %d\n", cursor4 + 1, location_entry->location.breg_op.offset, location_entry->location.breg_op.reg); - break; - case e_dw_lit: - fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit); - break; - case e_dw_fbregister_op: - fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op); - break; - case e_dw_deref: - fprintf(stderr, " %d) Pop the stack entry and treats it as an address (size of data %d)\n", cursor4 + 1, location_entry->location.deref_size); - break; - case e_dw_arithmetic : - fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic); - break; - case e_dw_piece: - fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece); - break; - case e_dw_uconstant : - fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value); - break; - case e_dw_sconstant : - fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value); - break; - default : - fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1); - break; - } - } - break; - default : - fprintf(stderr, "Location type not supported\n"); - break; - } - } - } - -} - -static void MC_get_global_variables(char *elf_file){ - - FILE *fp; - - char *command = bprintf("objdump -t -j .data -j .bss %s", elf_file); - - fp = popen(command, "r"); - - if(fp == NULL){ - perror("popen failed"); - xbt_abort(); - } - - if(mc_global_variables == NULL) - mc_global_variables = xbt_dynar_new(sizeof(global_variable_t), global_variable_free_voidp); - - char *line = NULL; - ssize_t read; - size_t n = 0; - - xbt_dynar_t line_tokens = NULL; - unsigned long offset; - - int type = strcmp(elf_file, xbt_binary_name); /* 0 = binary, other = libsimgrid */ - - while ((read = xbt_getline(&line, &n, fp)) != -1){ - - if(n == 0) - continue; - - /* Wipeout the new line character */ - line[read - 1] = '\0'; - - xbt_str_strip_spaces(line); - xbt_str_ltrim(line, NULL); - - line_tokens = xbt_str_split(line, NULL); - - if(xbt_dynar_length(line_tokens) <= 4 || strcmp(xbt_dynar_get_as(line_tokens, 0, char *), "SYMBOL") == 0) - continue; - - if((strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), "__gcov", 6) == 0) - || (strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), "gcov", 4) == 0) - || (strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), ".data") == 0) - || (strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), ".bss") == 0) - || (strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), "stderr", 6) == 0) - || ((size_t)strtoul(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 2, char*), NULL, 16) == 0)) - continue; - - global_variable_t var = xbt_new0(s_global_variable_t, 1); - - if(type == 0){ - var->address = (void *)strtoul(xbt_dynar_get_as(line_tokens, 0, char*), NULL, 16); - }else{ - offset = strtoul(xbt_dynar_get_as(line_tokens, 0, char*), NULL, 16); - var->address = (char *)start_text_libsimgrid+offset; - } - - var->size = (size_t)strtoul(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 2, char*), NULL, 16); - var->name = strdup(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*)); - - if(data_bss_ignore_size(var->address) > 0){ - global_variable_free(var); - }else{ - if(xbt_dynar_is_empty(mc_global_variables)){ - xbt_dynar_push(mc_global_variables, &var); - }else{ - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_global_variables) - 1; - global_variable_t current_var = NULL; - - while(start <= end){ - cursor = (start + end) / 2; - current_var = (global_variable_t)xbt_dynar_get_as(mc_global_variables, cursor, global_variable_t); - if(current_var->address == var->address) - break; - if(current_var->address < var->address) - start = cursor + 1; - if(current_var->address > var->address) - end = cursor - 1; - } - - if(current_var->address < var->address) - xbt_dynar_insert_at(mc_global_variables, cursor + 1, &var); - else - xbt_dynar_insert_at(mc_global_variables, cursor, &var); - } - } - - xbt_dynar_free(&line_tokens); - + return -1; + } else { + return 0; } - - xbt_free(command); - xbt_free(line); - pclose(fp); - } -void global_variable_free(global_variable_t v){ - xbt_free(v->name); - xbt_free(v); -} - -void global_variable_free_voidp(void *v){ - global_variable_free((global_variable_t) * (void **) v); +void MC_process_clock_add(smx_process_t process, double amount) +{ + mc_time[process->pid] += amount; }