-/* Copyright (c) 2008-2012 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 <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>
+#include <libgen.h>
+#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,
/* Configuration support */
e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
-extern int _surf_init_status;
+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_hash=0;
+int _sg_mc_max_depth=1000;
+int _sg_mc_visited=0;
+char *_sg_mc_dot_output_file = NULL;
+int _sg_mc_comms_determinism=0;
+int _sg_mc_send_determinism=0;
+
+int user_max_depth_reached = 0;
+
void _mc_cfg_cb_reduce(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_cfg_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(_surf_cfg_set, name);
+ 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")) {
} else {
xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
}
- xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
}
void _mc_cfg_cb_checkpoint(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_cfg_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.");
}
- _surf_mc_checkpoint = xbt_cfg_get_int(_surf_cfg_set, name);
- xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
+ _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
}
void _mc_cfg_cb_property(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_cfg_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.");
}
- _surf_mc_property_file= xbt_cfg_get_string(_surf_cfg_set, name);
- xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
+ _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
}
+void _mc_cfg_cb_timeout(const char *name, int pos) {
+ if (_sg_cfg_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_boolean(_sg_cfg_set, name);
+}
-/* MC global data structures */
+void _mc_cfg_cb_hash(const char *name, int pos) {
+ if (_sg_cfg_init_status && !_sg_do_model_check) {
+ xbt_die("You are specifying a value to enable/disable the use of global hash to speedup state comparaison, but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+ }
+ _sg_mc_hash= xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
+void _mc_cfg_cb_max_depth(const char *name, int pos) {
+ if (_sg_cfg_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);
+}
+
+void _mc_cfg_cb_visited(const char *name, int pos) {
+ if (_sg_cfg_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);
+}
+
+void _mc_cfg_cb_dot_output(const char *name, int pos) {
+ if (_sg_cfg_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);
+}
+
+void _mc_cfg_cb_comms_determinism(const char *name, int pos) {
+ if (_sg_cfg_init_status && !_sg_do_model_check) {
+ xbt_die("You are specifying a value to enable/disable the detection of determinism in the communications schemes 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_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
+void _mc_cfg_cb_send_determinism(const char *name, int pos) {
+ if (_sg_cfg_init_status && !_sg_do_model_check) {
+ xbt_die("You are specifying a value to enable/disable the detection of send-determinism in the communications schemes 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_send_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+/* MC global data structures */
mc_state_t mc_current_state = NULL;
char mc_replay_mode = FALSE;
double *mc_time = NULL;
-mc_snapshot_t initial_snapshot = NULL;
-int raw_mem_set;
+__thread mc_comparison_times_t mc_comp_times = NULL;
+__thread double mc_snapshot_comparison_time;
+mc_stats_t mc_stats = NULL;
/* Safety */
-
xbt_fifo_t mc_stack_safety = NULL;
-mc_stats_t mc_stats = NULL;
+mc_global_t initial_state_safety = NULL;
/* Liveness */
-
-mc_stats_pair_t mc_stats_pair = NULL;
xbt_fifo_t mc_stack_liveness = NULL;
-mc_snapshot_t initial_snapshot_liveness = NULL;
+mc_global_t initial_state_liveness = NULL;
int compare;
-/* Local */
-xbt_dict_t mc_local_variables = NULL;
+xbt_automaton_t _mc_property_automaton = NULL;
+
+/* Variables */
+mc_object_info_t mc_libsimgrid_info = NULL;
+mc_object_info_t mc_binary_info = NULL;
+
+mc_object_info_t mc_object_infos[2] = { NULL, NULL };
+size_t mc_object_infos_size = 2;
/* Ignore mechanism */
-extern xbt_dynar_t mc_comparison_ignore;
+extern xbt_dynar_t mc_heap_comparison_ignore;
extern xbt_dynar_t stacks_areas;
-xbt_automaton_t _mc_property_automaton = NULL;
+/* Dot output */
+FILE *dot_output = NULL;
+const char* colors[13];
+
+
+/******************************* DWARF Information *******************************/
+/**********************************************************************************/
+
+/************************** Free functions *************************/
+
+void mc_frame_free(dw_frame_t frame){
+ xbt_free(frame->name);
+ mc_dwarf_location_list_clear(&(frame->frame_base));
+ xbt_dynar_free(&(frame->variables));
+ xbt_free(frame);
+}
+
+void dw_type_free(dw_type_t t){
+ xbt_free(t->name);
+ xbt_free(t->dw_type_id);
+ xbt_dynar_free(&(t->members));
+ mc_dwarf_expression_clear(&t->location);
+ xbt_free(t);
+}
+
+void dw_variable_free(dw_variable_t v){
+ if(v){
+ xbt_free(v->name);
+ xbt_free(v->type_origin);
+
+ if(v->locations.locations)
+ mc_dwarf_location_list_clear(&v->locations);
+ xbt_free(v);
+ }
+}
+
+void dw_variable_free_voidp(void *t){
+ dw_variable_free((dw_variable_t) * (void **) t);
+}
+
+// ***** object_info
+
+
+
+mc_object_info_t MC_new_object_info(void) {
+ mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
+ res->subprograms = xbt_dict_new_homogeneous((void (*)(void*))mc_frame_free);
+ res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
+ res->types = xbt_dict_new_homogeneous((void (*)(void*))dw_type_free);
+ res->full_types_by_name = xbt_dict_new_homogeneous(NULL);
+ return res;
+}
+
+void MC_free_object_info(mc_object_info_t* info) {
+ xbt_free(&(*info)->file_name);
+ xbt_dict_free(&(*info)->subprograms);
+ xbt_dynar_free(&(*info)->global_variables);
+ xbt_dict_free(&(*info)->types);
+ xbt_dict_free(&(*info)->full_types_by_name);
+ xbt_free(info);
+ xbt_dynar_free(&(*info)->functions_index);
+ *info = NULL;
+}
+
+// ***** Helpers
+
+void* MC_object_base_address(mc_object_info_t info) {
+ void* result = info->start_exec;
+ if(info->start_rw!=NULL && result > (void*) info->start_rw) result = info->start_rw;
+ if(info->start_ro!=NULL && result > (void*) info->start_ro) result = info->start_ro;
+ return result;
+}
+
+// ***** Functions index
+
+static int MC_compare_frame_index_items(mc_function_index_item_t a, mc_function_index_item_t b) {
+ if(a->low_pc < b->low_pc)
+ return -1;
+ else if(a->low_pc == b->low_pc)
+ return 0;
+ else
+ return 1;
+}
+
+static void MC_make_functions_index(mc_object_info_t info) {
+ xbt_dynar_t index = xbt_dynar_new(sizeof(s_mc_function_index_item_t), NULL);
+
+ // Populate the array:
+ dw_frame_t frame = NULL;
+ xbt_dict_cursor_t cursor;
+ char* key;
+ xbt_dict_foreach(info->subprograms, cursor, key, frame) {
+ if(frame->low_pc==NULL)
+ continue;
+ s_mc_function_index_item_t entry;
+ entry.low_pc = frame->low_pc;
+ entry.high_pc = frame->high_pc;
+ entry.function = frame;
+ xbt_dynar_push(index, &entry);
+ }
+
+ mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
+
+ // Sort the array by low_pc:
+ qsort(base,
+ xbt_dynar_length(index),
+ sizeof(s_mc_function_index_item_t),
+ (int (*)(const void *, const void *))MC_compare_frame_index_items);
+
+ info->functions_index = index;
+}
+
+mc_object_info_t MC_ip_find_object_info(void* ip) {
+ size_t i;
+ for(i=0; i!=mc_object_infos_size; ++i) {
+ if(ip >= (void*)mc_object_infos[i]->start_exec && ip <= (void*)mc_object_infos[i]->end_exec) {
+ return mc_object_infos[i];
+ }
+ }
+ return NULL;
+}
+
+static dw_frame_t MC_find_function_by_ip_and_object(void* ip, mc_object_info_t info) {
+ xbt_dynar_t dynar = info->functions_index;
+ mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(dynar, 0);
+ int i = 0;
+ int j = xbt_dynar_length(dynar) - 1;
+ while(j>=i) {
+ int k = i + ((j-i)/2);
+ if(ip < base[k].low_pc) {
+ j = k-1;
+ } else if(ip > base[k].high_pc) {
+ i = k+1;
+ } else {
+ return base[k].function;
+ }
+ }
+ return NULL;
+}
+
+dw_frame_t MC_find_function_by_ip(void* ip) {
+ mc_object_info_t info = MC_ip_find_object_info(ip);
+ if(info==NULL)
+ return NULL;
+ else
+ return MC_find_function_by_ip_and_object(ip, info);
+}
+
+static void MC_post_process_variables(mc_object_info_t info) {
+ unsigned cursor = 0;
+ dw_variable_t variable = NULL;
+ xbt_dynar_foreach(info->global_variables, cursor, variable) {
+ if(variable->type_origin) {
+ variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
+ }
+ }
+}
+
+static void MC_post_process_functions(mc_object_info_t info) {
+ xbt_dict_cursor_t cursor;
+ char* key;
+ dw_frame_t function = NULL;
+ xbt_dict_foreach(info->subprograms, cursor, key, function) {
+ unsigned cursor2 = 0;
+ dw_variable_t variable = NULL;
+ xbt_dynar_foreach(function->variables, cursor2, variable) {
+ if(variable->type_origin) {
+ variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
+ }
+ }
+ }
+}
+
+/** \brief Finds informations about a given shared object/executable */
+mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
+ mc_object_info_t result = MC_new_object_info();
+ if(executable)
+ result->flags |= MC_OBJECT_INFO_EXECUTABLE;
+ result->file_name = xbt_strdup(name);
+ MC_find_object_address(maps, result);
+ MC_dwarf_get_variables(result);
+ MC_post_process_types(result);
+ MC_post_process_variables(result);
+ MC_post_process_functions(result);
+ MC_make_functions_index(result);
+ return result;
+}
+
+/*************************************************************************/
+
+/** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
+ *
+ * The offset can be an offset of a child DW_TAG_variable.
+ */
+static dw_frame_t MC_dwarf_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;
+
+}
+
+static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
+
+ unsigned int cursor = 0;
+ dw_variable_t current_var;
+
+ xbt_dynar_foreach(frame->variables, cursor, current_var){
+ if(strcmp(var, current_var->name) == 0)
+ return current_var;
+ }
+
+ return NULL;
+}
+
+static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
+
+ if(xbt_dynar_is_empty(variables))
+ return 0;
+
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(variables) - 1;
+ dw_variable_t var_test = NULL;
+
+ while(start <= end){
+ cursor = (start + end) / 2;
+ var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
+ if(strcmp(var_test->name, var) < 0){
+ start = cursor + 1;
+ }else if(strcmp(var_test->name, var) > 0){
+ end = cursor - 1;
+ }else{
+ if(address){ /* global variable */
+ if(var_test->address == address)
+ return -1;
+ if(var_test->address > address)
+ end = cursor - 1;
+ else
+ start = cursor + 1;
+ }else{ /* local variable */
+ return -1;
+ }
+ }
+ }
+
+ if(strcmp(var_test->name, var) == 0){
+ if(address && var_test->address < address)
+ return cursor+1;
+ else
+ return cursor;
+ }else if(strcmp(var_test->name, var) < 0)
+ return cursor+1;
+ else
+ return cursor;
+
+}
+
+void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
+ int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
+ if (index != -1)
+ xbt_dynar_insert_at(info->global_variables, index, &variable);
+ // TODO, else ?
+}
+
+void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
+ xbt_assert(frame, "Frame is NULL");
+ int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
+ if (index != -1)
+ xbt_dynar_insert_at(frame->variables, index, &variable);
+ // TODO, else ?
+}
+
+void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
+ if(variable->global)
+ MC_dwarf_register_global_variable(info, variable);
+ else if(frame==NULL)
+ xbt_die("No frame for this local variable");
+ else
+ MC_dwarf_register_non_global_variable(info, frame, variable);
+}
+
+
+/******************************* Ignore mechanism *******************************/
+/*********************************************************************************/
+
+xbt_dynar_t mc_checkpoint_ignore;
+
+typedef struct s_mc_stack_ignore_variable{
+ char *var_name;
+ char *frame;
+}s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
+
+/**************************** Free functions ******************************/
+
+static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
+ xbt_free(v->var_name);
+ xbt_free(v->frame);
+ xbt_free(v);
+}
+
+static void stack_ignore_variable_free_voidp(void *v){
+ stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
+}
+
+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);
+}
+
+static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
+ xbt_free(r);
+}
+
+static void checkpoint_ignore_region_free_voidp(void *r){
+ checkpoint_ignore_region_free((mc_checkpoint_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;
+ }else if(current_region->address < address){
+ start = cursor + 1;
+ }else{
+ end = cursor - 1;
+ }
+ }
+
+ 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);
+
+ if(!raw_mem_set)
+ MC_UNSET_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;
-/* Static functions */
+ 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;
+ }else if(region->address < address){
+ start = cursor + 1;
+ }else{
+ 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);
+ }
+
+ if(!raw_mem_set)
+ MC_UNSET_RAW_MEM;
+
+}
+
+void MC_ignore_global_variable(const char *name){
+
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ MC_SET_RAW_MEM;
+
+ xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
+
+ unsigned int cursor = 0;
+ dw_variable_t current_var;
+ int start = 0;
+ int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
+
+ while(start <= end){
+ cursor = (start + end) /2;
+ current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
+ if(strcmp(current_var->name, name) == 0){
+ xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
+ start = 0;
+ end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
+ }else if(strcmp(current_var->name, name) < 0){
+ start = cursor + 1;
+ }else{
+ end = cursor - 1;
+ }
+ }
+
+ if(!raw_mem_set)
+ MC_UNSET_RAW_MEM;
+}
+
+static void MC_ignore_local_variable_in_object(const char *var_name, const char *frame_name, mc_object_info_t info) {
+ xbt_dict_cursor_t cursor2;
+ dw_frame_t frame;
+ int start, end;
+ int cursor = 0;
+ dw_variable_t current_var;
+ char* key;
+ xbt_dict_foreach(info->subprograms, cursor2, key, frame) {
+
+ if(frame_name && strcmp(frame_name, frame->name))
+ continue;
+
+ start = 0;
+ end = xbt_dynar_length(frame->variables) - 1;
+ while(start <= end){
+ cursor = (start + end) / 2;
+ current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
+
+ int compare = strcmp(current_var->name, var_name);
+ if(compare == 0){
+ xbt_dynar_remove_at(frame->variables, cursor, NULL);
+ start = 0;
+ end = xbt_dynar_length(frame->variables) - 1;
+ }else if(compare < 0){
+ start = cursor + 1;
+ }else{
+ end = cursor - 1;
+ }
+ }
+ }
+}
+
+void MC_ignore_local_variable(const char *var_name, const char *frame_name){
+
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ if(strcmp(frame_name, "*") == 0)
+ frame_name = NULL;
-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);
+ MC_SET_RAW_MEM;
+
+ MC_ignore_local_variable_in_object(var_name, frame_name, mc_libsimgrid_info);
+ if(frame_name!=NULL)
+ MC_ignore_local_variable_in_object(var_name, frame_name, mc_binary_info);
+
+ if(!raw_mem_set)
+ MC_UNSET_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);
+
+ if(!raw_mem_set)
+ MC_UNSET_RAW_MEM;
+}
+
+void MC_ignore(void *addr, size_t size){
+
+ int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
+
+ MC_SET_RAW_MEM;
+
+ if(mc_checkpoint_ignore == NULL)
+ mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
+
+ mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
+ region->addr = addr;
+ region->size = size;
+
+ if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
+ xbt_dynar_push(mc_checkpoint_ignore, ®ion);
+ }else{
+
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
+ mc_checkpoint_ignore_region_t current_region = NULL;
+
+ while(start <= end){
+ cursor = (start + end) / 2;
+ current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
+ if(current_region->addr == addr){
+ if(current_region->size == size){
+ checkpoint_ignore_region_free(region);
+ if(!raw_mem_set)
+ MC_UNSET_RAW_MEM;
+ return;
+ }else if(current_region->size < size){
+ start = cursor + 1;
+ }else{
+ end = cursor - 1;
+ }
+ }else if(current_region->addr < addr){
+ start = cursor + 1;
+ }else{
+ end = cursor - 1;
+ }
+ }
+
+ if(current_region->addr == addr){
+ if(current_region->size < size){
+ xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
+ }else{
+ xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
+ }
+ }else if(current_region->addr < addr){
+ xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
+ }else{
+ xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
+ }
+ }
+
+ if(!raw_mem_set)
+ MC_UNSET_RAW_MEM;
+}
+
+/******************************* Initialisation of MC *******************************/
+/*********************************************************************************/
+
+static void MC_post_process_object_info(mc_object_info_t info) {
+ xbt_dict_cursor_t cursor = NULL;
+ char* key = NULL;
+ dw_type_t type = NULL;
+ xbt_dict_foreach(info->types, cursor, key, type){
+
+ // Resolve full_type:
+ if(type->name && type->byte_size == 0) {
+ for(size_t i=0; i!=mc_object_infos_size; ++i) {
+ dw_type_t same_type = xbt_dict_get_or_null(mc_object_infos[i]->full_types_by_name, type->name);
+ if(same_type && same_type->name && same_type->byte_size) {
+ type->full_type = same_type;
+ break;
+ }
+ }
+ }
+
+ }
+}
+
+static void MC_init_debug_info(void) {
+ XBT_INFO("Get debug information ...");
+
+ memory_map_t maps = MC_get_memory_map();
+
+ /* 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;
+
+ mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
+ mc_object_infos[1] = mc_libsimgrid_info;
+
+ // 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_init(){
+
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ compare = 0;
+
+ /* Initialize the data structures that must be persistent across every
+ iteration of the model-checker (in RAW memory) */
+
+ MC_SET_RAW_MEM;
+
+ MC_init_memory_map_info();
+ MC_init_debug_info();
+
+ /* Init parmap */
+ parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
+
+ MC_UNSET_RAW_MEM;
+
+ /* 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_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
+ MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
+ MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
+
+ /* Ignore local variable about time used for tracing */
+ MC_ignore_local_variable("start_time", "*");
+
+ MC_ignore_global_variable("compared_pointers");
+ MC_ignore_global_variable("mc_comp_times");
+ MC_ignore_global_variable("mc_snapshot_comparison_time");
+ MC_ignore_global_variable("mc_time");
+ MC_ignore_global_variable("smpi_current_rank");
+ MC_ignore_global_variable("counter"); /* Static variable used for tracing */
+ MC_ignore_global_variable("maestro_stack_start");
+ MC_ignore_global_variable("maestro_stack_end");
+ MC_ignore_global_variable("smx_total_comms");
+
+ MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
+ MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
+ MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
+ MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
+
+ smx_process_t process;
+ xbt_swag_foreach(process, simix_global->process_list){
+ MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
+ }
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+
+}
+
+static void MC_init_dot_output(){ /* FIXME : more colors */
+
+ 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";
+
+ dot_output = fopen(_sg_mc_dot_output_file, "w");
+
+ if(dot_output == NULL){
+ perror("Error open dot output file");
+ xbt_abort();
+ }
+
+ 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");
+
+}
+
+/******************************* Core of MC *******************************/
+/**************************************************************************/
void MC_do_the_modelcheck_for_real() {
- if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
+
+ MC_SET_RAW_MEM;
+ mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
+ MC_UNSET_RAW_MEM;
+
+ 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;
XBT_INFO("Check a safety property");
- MC_modelcheck();
+ MC_modelcheck_safety();
} else {
if (mc_reduce_kind==e_mc_reduce_unset)
mc_reduce_kind=e_mc_reduce_none;
- XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
- MC_automaton_load(_surf_mc_property_file);
+ XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
+ MC_automaton_load(_sg_mc_property_file);
MC_modelcheck_liveness();
}
}
-/**
- * \brief Initialize the model-checker data structures
- */
-void MC_init_safety(void)
+void MC_modelcheck_safety(void)
{
-
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
/* Check if MC is already initialized */
- if (initial_snapshot)
+ if (initial_state_safety)
return;
mc_time = xbt_new0(double, simix_process_maxpid);
+ /* mc_time refers to clock for each process -> ignore it for heap comparison */
+ MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
+
/* Initialize the data structures that must be persistent across every
iteration of the model-checker (in RAW memory) */
/* Create exploration stack */
mc_stack_safety = xbt_fifo_new();
+ if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
+ MC_init_dot_output();
+
MC_UNSET_RAW_MEM;
+ if(_sg_mc_visited > 0){
+ MC_init();
+ }else{
+ MC_SET_RAW_MEM;
+ MC_init_memory_map_info();
+ MC_init_debug_info();
+ MC_UNSET_RAW_MEM;
+ }
+
MC_dpor_init();
MC_SET_RAW_MEM;
/* Save the initial state */
- initial_snapshot = xbt_new0(s_mc_snapshot_t, 1);
- MC_take_snapshot(initial_snapshot);
+ initial_state_safety = xbt_new0(s_mc_global_t, 1);
+ initial_state_safety->snapshot = MC_take_snapshot(0);
+ initial_state_safety->initial_communications_pattern_done = 0;
+ initial_state_safety->comm_deterministic = 1;
+ initial_state_safety->send_deterministic = 1;
MC_UNSET_RAW_MEM;
+ MC_dpor();
if(raw_mem_set)
MC_SET_RAW_MEM;
- else
- MC_UNSET_RAW_MEM;
-
-}
-void MC_compare(void){
- compare = 1;
-}
-
-
-void MC_modelcheck(void)
-{
- MC_init_safety();
- MC_dpor();
- MC_exit();
+ xbt_abort();
+ //MC_exit();
}
void MC_modelcheck_liveness(){
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
- /* init stuff */
- XBT_DEBUG("Start init mc");
-
- mc_time = xbt_new0(double, simix_process_maxpid);
-
- /* mc_time refers to clock for each process -> ignore it for heap comparison */
- int i;
- for(i = 0; i<simix_process_maxpid; i++)
- MC_ignore(&(mc_time[i]), sizeof(double));
-
- compare = 0;
+ MC_init();
- /* Initialize the data structures that must be persistent across every
- iteration of the model-checker (in RAW memory) */
+ mc_time = xbt_new0(double, simix_process_maxpid);
+ /* 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;
-
- /* Get local variables in binary for state equality detection */
- MC_get_binary_local_variables();
-
+
/* Initialize statistics */
- mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
-
- XBT_DEBUG("Creating stack");
+ mc_stats = xbt_new0(s_mc_stats_t, 1);
+ mc_stats->state_size = 1;
/* Create exploration stack */
mc_stack_liveness = xbt_fifo_new();
+ /* Create the initial state */
+ initial_state_liveness = xbt_new0(s_mc_global_t, 1);
+
+ if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
+ MC_init_dot_output();
+
MC_UNSET_RAW_MEM;
MC_ddfs_init();
/* We're done */
- MC_print_statistics_pairs(mc_stats_pair);
+ MC_print_statistics(mc_stats);
xbt_free(mc_time);
- MC_memory_exit();
- exit(0);
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+
}
void MC_exit(void)
{
- MC_print_statistics(mc_stats);
xbt_free(mc_time);
+
MC_memory_exit();
+ //xbt_abort();
+}
+
+int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
+
+ return simcall->mc_value;
}
int MC_random(int min, int max)
{
/*FIXME: return mc_current_state->executed_transition->random.value;*/
- return 0;
+ return simcall_mc_random(min, max);
}
/**
*/
void MC_replay(xbt_fifo_t stack, int start)
{
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem = (mmalloc_get_current_heap() == raw_heap);
- int value, i = 1;
+ int value, i = 1, count = 1;
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;
+ int comm_pattern = 0;
XBT_DEBUG("**** Begin Replay ****");
if(start == -1){
/* Restore the initial state */
- MC_restore_snapshot(initial_snapshot);
+ 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;
}
}
+ 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)
+ xbt_dynar_reset(communications_pattern);
+ MC_UNSET_RAW_MEM;
+
+
/* Traverse the stack from the state at position start and re-execute the transitions */
for (item = start_item;
item != xbt_fifo_get_first_item(stack);
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){
/* 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 */
xbt_free(req_str);
}
}
-
+
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ if(req->call == SIMCALL_COMM_ISEND)
+ comm_pattern = 1;
+ else if(req->call == SIMCALL_COMM_IRECV)
+ comm_pattern = 2;
+ }
+
SIMIX_simcall_pre(req, value);
+
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ MC_SET_RAW_MEM;
+ if(comm_pattern != 0){
+ get_comm_pattern(communications_pattern, req, comm_pattern);
+ }
+ MC_UNSET_RAW_MEM;
+ comm_pattern = 0;
+ }
+
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++;
+
}
+
XBT_DEBUG("**** End Replay ****");
- if(raw_mem_set)
+ if(raw_mem)
MC_SET_RAW_MEM;
else
MC_UNSET_RAW_MEM;
void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
{
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_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_stateless_t pair;
+ mc_pair_t pair;
int depth = 1;
XBT_DEBUG("**** Begin Replay ****");
/* Restore the initial state */
- MC_restore_snapshot(initial_snapshot_liveness);
+ MC_restore_snapshot(initial_state_liveness->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;
+ if(!initial_state_liveness->raw_mem_set)
+ MC_UNSET_RAW_MEM;
if(all_stack){
while(depth <= xbt_fifo_size(stack)){
- pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
+ pair = (mc_pair_t) xbt_fifo_get_item_content(item);
state = (mc_state_t) pair->graph_state;
if(pair->requests > 0){
depth++;
/* Update statistics */
- mc_stats_pair->visited_pairs++;
+ mc_stats->visited_pairs++;
+ mc_stats->executed_transitions++;
item = xbt_fifo_get_prev_item(item);
}
item != xbt_fifo_get_first_item(stack);
item = xbt_fifo_get_prev_item(item)) {
- pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
+ pair = (mc_pair_t) xbt_fifo_get_item_content(item);
state = (mc_state_t) pair->graph_state;
if(pair->requests > 0){
depth++;
/* Update statistics */
- mc_stats_pair->visited_pairs++;
+ mc_stats->visited_pairs++;
+ mc_stats->executed_transitions++;
}
}
XBT_DEBUG("**** End Replay ****");
- if(raw_mem_set)
+ if(initial_state_liveness->raw_mem_set)
MC_SET_RAW_MEM;
else
MC_UNSET_RAW_MEM;
void MC_dump_stack_safety(xbt_fifo_t stack)
{
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
MC_show_stack_safety(stack);
- if(!_surf_mc_checkpoint){
+ if(!_sg_mc_checkpoint){
mc_state_t state;
void MC_show_stack_safety(xbt_fifo_t stack)
{
+
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ MC_SET_RAW_MEM;
+
int value;
mc_state_t state;
xbt_fifo_item_t item;
xbt_free(req_str);
}
}
+
+ if(!raw_mem_set)
+ MC_UNSET_RAW_MEM;
}
void MC_show_deadlock(smx_simcall_t req)
xbt_free(req_str);*/
XBT_INFO("Counter-example execution trace:");
MC_dump_stack_safety(mc_stack_safety);
+ MC_print_statistics(mc_stats);
}
void MC_show_stack_liveness(xbt_fifo_t stack){
int value;
- mc_pair_stateless_t pair;
+ 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_stateless_t) (xbt_fifo_get_item_content(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){
void MC_dump_stack_liveness(xbt_fifo_t stack){
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
- mc_pair_stateless_t pair;
+ mc_pair_t pair;
MC_SET_RAW_MEM;
- while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
- MC_pair_stateless_delete(pair);
+ while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
+ MC_pair_delete(pair);
MC_UNSET_RAW_MEM;
if(raw_mem_set)
MC_SET_RAW_MEM;
- else
- MC_UNSET_RAW_MEM;
}
void MC_print_statistics(mc_stats_t stats)
{
- //XBT_INFO("State space size ~= %lu", stats->state_size);
- XBT_INFO("Expanded states = %lu", stats->expanded_states);
- XBT_INFO("Visited states = %lu", stats->visited_states);
+ if(stats->expanded_pairs == 0){
+ XBT_INFO("Expanded states = %lu", stats->expanded_states);
+ XBT_INFO("Visited states = %lu", stats->visited_states);
+ }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);
- XBT_INFO("Expanded / Visited = %lf",
- (double) stats->visited_states / stats->expanded_states);
- /*XBT_INFO("Exploration coverage = %lf",
- (double)stats->expanded_states / stats->state_size); */
-}
-
-void MC_print_statistics_pairs(mc_stats_pair_t stats)
-{
- XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
- XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
- //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
- XBT_INFO("Expanded / Visited = %lf",
- (double) stats->visited_pairs / stats->expanded_pairs);
- /*XBT_INFO("Exploration coverage = %lf",
- (double)stats->expanded_states / stats->state_size); */
+ 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);
+ }
+ if(initial_state_safety != NULL){
+ if(_sg_mc_comms_determinism)
+ XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
+ if (_sg_mc_send_determinism)
+ XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
+ }
+ MC_UNSET_RAW_MEM;
}
void MC_assert(int prop)
{
- if (MC_IS_ENABLED && !prop){
+ if (MC_is_active() && !prop){
XBT_INFO("**************************");
XBT_INFO("*** PROPERTY NOT VALID ***");
XBT_INFO("**************************");
}
}
-static void MC_assert_pair(int prop){
- if (MC_IS_ENABLED && !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);
- MC_print_statistics_pairs(mc_stats_pair);
- xbt_abort();
- }
+void MC_cut(void){
+ user_max_depth_reached = 1;
}
void MC_process_clock_add(smx_process_t process, double amount)
double MC_process_clock_get(smx_process_t process)
{
- if(mc_time)
- return mc_time[process->pid];
- else
+ if(mc_time){
+ if(process != NULL)
+ return mc_time[process->pid];
+ else
+ return -1;
+ }else{
return 0;
+ }
}
void MC_automaton_load(const char *file){
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
MC_SET_RAW_MEM;
if(raw_mem_set)
MC_SET_RAW_MEM;
- else
- MC_UNSET_RAW_MEM;
}
void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
MC_SET_RAW_MEM;
if (_mc_property_automaton == NULL)
_mc_property_automaton = xbt_automaton_new();
- xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
+ xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);
MC_UNSET_RAW_MEM;
if(raw_mem_set)
MC_SET_RAW_MEM;
- else
- MC_UNSET_RAW_MEM;
-
-}
-
-/************ MC_ignore ***********/
-
-void MC_ignore(void *address, size_t size){
-
- MC_SET_RAW_MEM;
-
- if(mc_comparison_ignore == NULL)
- mc_comparison_ignore = xbt_dynar_new(sizeof(mc_ignore_region_t), NULL);
-
- mc_ignore_region_t region = NULL;
- region = xbt_new0(s_mc_ignore_region_t, 1);
- region->address = address;
- region->size = size;
-
- if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_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;
- }else{
- region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
- }
-
- }
-
- unsigned int cursor = 0;
- mc_ignore_region_t current_region;
- xbt_dynar_foreach(mc_comparison_ignore, cursor, current_region){
- if(current_region->address > address)
- break;
- }
-
- xbt_dynar_insert_at(mc_comparison_ignore, cursor, ®ion);
-
- MC_UNSET_RAW_MEM;
-}
-
-void MC_new_stack_area(void *stack, char *name){
-
- if(stacks_areas == NULL)
- stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
-
- MC_SET_RAW_MEM;
- stack_region_t region = NULL;
- region = xbt_new0(s_stack_region_t, 1);
- region->address = stack;
- region->process_name = strdup(name);
- xbt_dynar_push(stacks_areas, ®ion);
- MC_UNSET_RAW_MEM;
-}
-
-/************ DWARF ***********/
-
-static void MC_get_binary_local_variables(){
-
- mc_binary_local_variables = xbt_dynar_new(sizeof(dw_frame_t), NULL);
-
- char *command = bprintf("dwarfdump -i %s", xbt_binary_name);
-
- FILE* fp = popen(command, "r");
-
- if(fp == NULL)
- perror("popen failed");
-
- char *line = NULL, *tmp_line = NULL, *tmp_location, *frame_name = NULL;
- ssize_t read;
- size_t n = 0;
- int valid_variable = 1, valid_frame = 1;
- char *node_type, *location_type, *variable_name = NULL, *lowpc, *highpc;
- xbt_dynar_t split = NULL;
-
- void *low_pc = NULL, *old_low_pc = NULL;
-
- int compile_unit_found = 0; /* Detect if the program has been compiled with -g */
-
- read = getline(&line, &n, fp);
-
- while (read != -1) {
-
- if(n == 0)
- continue;
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(line[0] == '<'){
-
- /* If the program hasn't been compiled with -g, no symbol (line starting with '<' ) found */
- compile_unit_found = 1;
-
- /* Get node type */
- strtok(line, " ");
- strtok(NULL, " ");
- node_type = strtok(NULL, " ");
-
- if(strcmp(node_type, "DW_TAG_subprogram") == 0){ /* New frame */
-
- read = getline(&line, &n, fp);
-
- while(read != -1 && line[0] != '<'){
-
- if(n == 0)
- continue;
-
- node_type = strtok(line, " ");
-
- if(node_type != NULL && strcmp(node_type, "DW_AT_name") == 0){
-
- frame_name = strdup(strtok(NULL, " "));
- xbt_str_trim(frame_name, NULL);
- xbt_str_trim(frame_name, "\"");
- read = getline(&line, &n, fp);
-
- }else if(node_type != NULL && strcmp(node_type, "DW_AT_frame_base") == 0){
-
- if(valid_frame == 1){
-
- dw_frame_t frame = xbt_new0(s_dw_frame_t, 1);
- frame->name = strdup(frame_name);
- frame->variables = xbt_dynar_new(sizeof(dw_local_variable_t), NULL);
- frame->location = xbt_new0(s_dw_location_t, 1);
- free(frame_name);
-
- location_type = strtok(NULL, " ");
-
- if(strcmp(location_type, "<loclist") == 0){
-
- frame->location->type = e_dw_loclist;
- frame->location->location.loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
-
- read = getline(&line, &n, fp);
- xbt_str_ltrim(line, NULL);
-
- while(read != -1 && line[0] == '['){
-
- strtok(line, "<");
- lowpc = strtok(NULL, "<");
- highpc = strtok(NULL, ">");
- tmp_location = strtok(NULL, ">");
- lowpc[strlen(lowpc) - 1] = '\0'; /* Remove last character '>' */
-
- dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
-
- if(low_pc == NULL){
- strtok(lowpc, "=");
- new_entry->lowpc = (void *) strtoul(strtok(NULL, "="), NULL, 16);
- strtok(highpc, "=");
- new_entry->highpc = (void *) strtoul(strtok(NULL, "="), NULL, 16);
- }else{
- strtok(lowpc, "=");
- old_low_pc = (void *)strtoul(strtok(NULL, "="), NULL, 16);
- new_entry->lowpc = (char *)low_pc + (long)old_low_pc;
- strtok(highpc, "=");
- new_entry->highpc = (char*)low_pc + ((char *)((void *)strtoul(strtok(NULL, "="), NULL, 16)) - (char*)old_low_pc);
- }
-
- new_entry->location = xbt_new0(s_dw_location_t, 1);
-
- get_location(tmp_location, new_entry->location);
-
- xbt_dynar_push(frame->location->location.loclist, &new_entry);
-
- read = getline(&line, &n, fp);
- xbt_str_ltrim(line, NULL);
-
- }
-
- }else{
- read = getline(&line, &n, fp);
- frame->location->type = get_location(location_type, frame->location);
-
- }
-
- xbt_dynar_push(mc_binary_local_variables, &frame);
-
- }else{
-
- read = getline(&line, &n, fp);
-
- }
-
- }else if(node_type != NULL && (strcmp(node_type, "DW_AT_declaration") == 0 || strcmp(node_type, "DW_AT_abstract_origin") == 0 || strcmp(node_type, "DW_AT_artificial") == 0)){
-
- read = getline(&line, &n, fp);
- valid_frame = 0;
-
- }else{
-
- read = getline(&line, &n, fp);
-
- }
-
- }
-
- valid_frame = 1;
-
- }else if(strcmp(node_type, "DW_TAG_variable") == 0){ /* New variable */
-
- read = getline(&line, &n, fp);
-
- while(read != -1 && line[0] != '<'){
-
- if(n == 0)
- continue;
-
- tmp_line = strdup(line);
-
- node_type = strtok(line, " ");
-
- if(node_type != NULL && strcmp(node_type, "DW_AT_name") == 0){
-
- variable_name = strdup(strtok(NULL, " "));
- xbt_str_trim(variable_name, NULL);
- xbt_str_trim(variable_name, "\"");
- read = getline(&line, &n, fp);
-
- }else if(node_type != NULL && strcmp(node_type, "DW_AT_location") == 0){
-
- if(valid_variable == 1){
-
- location_type = strtok(NULL, " ");
-
- dw_local_variable_t variable = xbt_new0(s_dw_local_variable_t, 1);
- variable->name = strdup(variable_name);
- variable->location = xbt_new0(s_dw_location_t, 1);
- free(variable_name);
-
- if(strcmp(location_type, "<loclist") == 0){
-
- variable->location->type = e_dw_loclist;
- variable->location->location.loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
-
- read = getline(&line, &n, fp);
- xbt_str_ltrim(line, NULL);
-
- while(read != -1 && line[0] == '['){
-
- strtok(line, "<");
- lowpc = strtok(NULL, "<");
- highpc = strtok(NULL, ">");
- tmp_location = strtok(NULL, ">");
- lowpc[strlen(lowpc) - 1] = '\0'; /* Remove last character '>' */
-
- dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
-
- if(low_pc == NULL){
- strtok(lowpc, "=");
- new_entry->lowpc = (void *) strtoul(strtok(NULL, "="), NULL, 16);
- strtok(highpc, "=");
- new_entry->highpc = (void *) strtoul(strtok(NULL, "="), NULL, 16);
- }else{
- strtok(lowpc, "=");
- old_low_pc = (void *)strtoul(strtok(NULL, "="), NULL, 16);
- new_entry->lowpc = (char *)low_pc + (long)old_low_pc;
- strtok(highpc, "=");
- new_entry->highpc = (char*)low_pc + ((char *)((void *)strtoul(strtok(NULL, "="), NULL, 16)) - (char*)old_low_pc);
- }
-
- new_entry->location = xbt_new0(s_dw_location_t, 1);
-
- get_location(tmp_location, new_entry->location);
-
- xbt_dynar_push(variable->location->location.loclist, &new_entry);
-
- read = getline(&line, &n, fp);
- xbt_str_ltrim(line, NULL);
-
- }
-
- }else{
-
- xbt_str_strip_spaces(tmp_line);
- split = xbt_str_split(tmp_line, " ");
- xbt_dynar_remove_at(split, 0, NULL);
- location_type = xbt_str_join(split, " ");
-
- variable->location->type = get_location(location_type, variable->location);
- read = getline(&line, &n, fp);
-
- xbt_dynar_free(&split);
- free(location_type);
-
- }
-
- xbt_dynar_push(((dw_frame_t)xbt_dynar_get_as(mc_binary_local_variables, xbt_dynar_length(mc_binary_local_variables) - 1, dw_frame_t))->variables, &variable);
-
- }else{
-
- read = getline(&line, &n, fp);
-
- }
-
- }else if(node_type != NULL && (strcmp(node_type, "DW_AT_artificial") == 0 || strcmp(node_type, "DW_AT_external") == 0)){
-
- valid_variable = 0;
- read = getline(&line, &n, fp);
-
- }else{
-
- read = getline(&line, &n, fp);
-
- }
-
- //free(tmp_line);
-
- }
-
- valid_variable = 1;
-
- }else if(strcmp(node_type, "DW_TAG_compile_unit") == 0){
-
- read = getline(&line, &n, fp);
-
- while(read != -1 && line[0] != '<'){
-
- if(n == 0)
- continue;
-
- node_type = strtok(line, " ");
-
- if(node_type != NULL && strcmp(node_type, "DW_AT_low_pc") == 0){
- low_pc = (void *) strtoul(strtok(NULL, " "), NULL, 16);
- }
-
- read = getline(&line, &n, fp);
-
- }
-
- }else{
-
- read = getline(&line, &n, fp);
-
- }
-
-
- }else{
-
- read = getline(&line, &n, fp);
-
- }
-
-
- }
-
- free(line);
- free(command);
- pclose(fp);
-
- if(compile_unit_found == 0){
- XBT_INFO("Your program must be compiled with -g");
- xbt_abort();
- }
-
- if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug))
- print_local_variables(mc_binary_local_variables);
-
}
-void print_local_variables(xbt_dynar_t list){
-
- dw_frame_t frame;
- dw_local_variable_t variable;
- dw_location_entry_t entry;
- dw_location_t location_entry;
- unsigned int cursor = 0, cursor2 = 0, cursor3 = 0, cursor4 = 0;
-
- xbt_dynar_foreach(list, cursor, frame){
- fprintf(stderr, "Frame name : %s", frame->name);
- fprintf(stderr, "Location type : %d\n", frame->location->type);
- fprintf(stderr, "Variables : (%lu)\n", xbt_dynar_length(frame->variables));
- xbt_dynar_foreach(frame->variables, cursor2, variable){
- fprintf(stderr, "Name : %s", variable->name);
- fprintf(stderr, "Location type : %d\n", variable->location->type);
- switch(variable->location->type){
- case e_dw_loclist :
- xbt_dynar_foreach(variable->location->location.loclist, cursor3, entry){
- fprintf(stderr, "Lowpc : %p, Highpc : %p,", 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_constant :
- fprintf(stderr, "%d) Constant %d\n", cursor4 + 1, location_entry->location.constant.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(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_constant :
- fprintf(stderr, "%d) Constant %d\n", cursor4 + 1, location_entry->location.constant.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 e_dw_location_type get_location(char *expr, dw_location_t entry){
-
- int cursor = 0;
- char *tok = NULL, *tmp_tok = NULL;
-
- xbt_dynar_t tokens = xbt_str_split(expr, NULL);
- xbt_dynar_remove_at(tokens, xbt_dynar_length(tokens) - 1, NULL);
-
- if(xbt_dynar_length(tokens) > 1){
-
- entry->type = e_dw_compose;
- entry->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
-
- while(cursor < xbt_dynar_length(tokens)){
-
- tok = xbt_dynar_get_as(tokens, cursor, char*);
-
- if(strncmp(tok, "DW_OP_reg", 9) == 0){
- dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
- new_element->type = e_dw_register;
- if(tok[9] == 'x'){
- new_element->location.reg = atoi(xbt_dynar_get_as(tokens, ++cursor, char*));
- }else{
- new_element->location.reg = atoi(strtok(tok, "DW_OP_reg"));
- }
- xbt_dynar_push(entry->location.compose, &new_element);
- }else if(strcmp(tok, "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(tokens, ++cursor, char*));
- xbt_dynar_push(entry->location.compose, &new_element);
- }else if(strncmp(tok, "DW_OP_breg", 10) == 0){
- dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
- new_element->type = e_dw_bregister_op;
- if(tok[10] == 'x'){
- new_element->location.breg_op.reg = atoi(xbt_dynar_get_as(tokens, ++cursor, char*));
- new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens, ++cursor, char*));
- }else{
- if(strchr(tok,'+') != NULL){
- tmp_tok = strtok(tok,"DW_OP_breg");
- new_element->location.breg_op.reg = atoi(strtok(tmp_tok,"+"));
- new_element->location.breg_op.offset = atoi(strtok(NULL,"+"));
- }else{
- new_element->location.breg_op.reg = atoi(strtok(tok, "DW_OP_breg"));
- new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens, ++cursor, char*));
- }
- }
- xbt_dynar_push(entry->location.compose, &new_element);
- }else if(strncmp(tok, "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(tok, "DW_OP_lit"));
- xbt_dynar_push(entry->location.compose, &new_element);
- }else if(strcmp(tok, "DW_OP_piece") == 0){
- dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
- new_element->type = e_dw_piece;
- if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
- new_element->location.piece = atoi(xbt_dynar_get_as(tokens, cursor, char*));
- else
- new_element->location.piece = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';
- xbt_dynar_push(entry->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 ||
- strcmp(tok, "DW_OP_plus_uconst") == 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(tok, "DW_OP_"));
- xbt_dynar_push(entry->location.compose, &new_element);
- }else if(strcmp(tok, "DW_OP_stack_value") == 0){
- cursor++;
- }else if(strcmp(tok, "DW_OP_deref_size") == 0){
- dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
- new_element->type = e_dw_deref;
- 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(entry->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(entry->location.compose, &new_element);
- }else if(strcmp(tok, "DW_OP_constu") == 0){
- dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
- new_element->type = e_dw_constant;
- new_element->location.constant.is_signed = 0;
- new_element->location.constant.bytes = 1;
- 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(entry->location.compose, &new_element);
- }else if(strcmp(tok, "DW_OP_consts") == 0){
- dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
- new_element->type = e_dw_constant;
- new_element->location.constant.is_signed = 1;
- new_element->location.constant.bytes = 1;
- new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, ++cursor, char*));
- xbt_dynar_push(entry->location.compose, &new_element);
- }else if(strcmp(tok, "DW_OP_const1u") == 0 ||
- strcmp(tok, "DW_OP_const2u") == 0 ||
- strcmp(tok, "DW_OP_const4u") == 0 ||
- strcmp(tok, "DW_OP_const8u") == 0){
- dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
- new_element->type = e_dw_constant;
- new_element->location.constant.is_signed = 0;
- new_element->location.constant.bytes = tok[11] - '0';
- 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(entry->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_constant;
- new_element->location.constant.is_signed = 1;
- new_element->location.constant.bytes = tok[11] - '0';
- new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, ++cursor, char*));
- xbt_dynar_push(entry->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(entry->location.compose, &new_element);
- }
-
- cursor++;
-
- }
-
- xbt_dynar_free(&tokens);
-
- return e_dw_compose;
-
- }else{
-
- if(strncmp(expr, "DW_OP_reg", 9) == 0){
- entry->type = e_dw_register;
- entry->location.reg = atoi(strtok(expr,"DW_OP_reg"));
- }else if(strncmp(expr, "DW_OP_breg", 10) == 0){
- entry->type = e_dw_bregister_op;
- tok = strtok(expr, "+");
- entry->location.breg_op.offset = atoi(strtok(NULL, "+"));
- entry->location.breg_op.reg = atoi(strtok(tok, "DW_OP_breg"));
- }else{
- entry->type = e_dw_unsupported;
- }
- xbt_dynar_free(&tokens);
- return entry->type;
-
- }
-
-}
