-/* Copyright (c) 2008-2013. The SimGrid Team.
+/* Copyright (c) 2008-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>
+#include <sys/mman.h>
#include <libgen.h>
#include "simgrid/sg_config.h"
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;
_sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
}
+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_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;
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 */
-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;
/************************** Free functions *************************/
-static void dw_location_free(dw_location_t l){
- if(l){
- if(l->type == e_dw_loclist)
- xbt_dynar_free(&(l->location.loclist));
- else if(l->type == e_dw_compose)
- xbt_dynar_free(&(l->location.compose));
- else if(l->type == e_dw_arithmetic)
- xbt_free(l->location.arithmetic);
-
- xbt_free(l);
- }
-}
-
-static void dw_location_entry_free(dw_location_entry_t e){
- dw_location_free(e->location);
- xbt_free(e);
+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_dynar_free(&(frame->scopes));
+ xbt_free(frame);
}
-static void dw_type_free(dw_type_t t){
+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);
}
-static void dw_type_free_voidp(void *t){
- dw_type_free((dw_type_t) * (void **) t);
-}
-
-static void dw_variable_free(dw_variable_t v){
+void dw_variable_free(dw_variable_t v){
if(v){
xbt_free(v->name);
xbt_free(v->type_origin);
- if(!v->global)
- dw_location_free(v->address.location);
+
+ if(v->locations.locations)
+ mc_dwarf_location_list_clear(&v->locations);
xbt_free(v);
}
}
-static void dw_variable_free_voidp(void *t){
+void dw_variable_free_voidp(void *t){
dw_variable_free((dw_variable_t) * (void **) t);
}
-// object_info
+// ***** object_info
+
+
-mc_object_info_t MC_new_object_info() {
- mc_object_info_t res = xbt_new(s_mc_object_info_t, 1);
- res->file_name = NULL;
- res->start_text = NULL;
- res->start_data = NULL;
- res->local_variables = xbt_dict_new_homogeneous(NULL);
+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(NULL);
+ 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)->local_variables);
+ 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);
- info = NULL;
+ xbt_dynar_free(&(*info)->functions_index);
+ *info = NULL;
}
-/*************************************************************************/
-
-static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
+// ***** Helpers
- dw_location_t loc = xbt_new0(s_dw_location_t, 1);
+void* MC_object_base_address(mc_object_info_t info) {
+ if(info->flags & MC_OBJECT_INFO_EXECUTABLE)
+ return 0;
+ 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;
+}
- 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;
+// ***** Functions index
- }else{
+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;
+}
- int cursor = 0;
- char *tok = NULL, *tok2 = NULL;
-
- xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
- xbt_dynar_t tokens2;
+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);
- loc->type = e_dw_compose;
- loc->location.compose = xbt_dynar_new(sizeof(dw_location_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);
+ }
- while(cursor < xbt_dynar_length(tokens1)){
+ mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
- 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*));
- 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*));
- 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*)));
- 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*)));
- 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);
- }
+ // 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);
- cursor++;
- xbt_dynar_free(&tokens2);
+ 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];
}
-
- xbt_dynar_free(&tokens1);
-
- return loc;
-
}
-
+ return NULL;
}
-/** @brief Extract the location lists from an ELF file (.debug_loc)
- *
- * @return A map from the offset in the list (in hexadecimal string)
- * into a location list (dynar of dw_location_entry_t).
- */
-static xbt_dict_t MC_dwarf_get_location_list(const char *elf_file){
-
- char *command = bprintf("LANG=C objdump -Wo %s", elf_file);
-
- FILE *fp = popen(command, "r");
-
- if(fp == NULL){
- perror("popen for objdump failed");
- xbt_abort();
+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;
+}
- 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;
- }
- }
+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);
+}
- if(debug == 0){
- XBT_INFO("Your program must be compiled with -g");
- xbt_abort();
+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);
}
+ }
+}
- xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
-
- xbt_str_strip_spaces(line);
- split = xbt_str_split(line, " ");
-
- char *key = NULL;
- while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
-
- // Take the key from the first line of the list:
- if(key==NULL){
- key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
- }
-
- dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
- new_entry->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 = MC_dwarf_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, " ");
- }
-
- }
+static void mc_post_process_scope(mc_object_info_t info, dw_frame_t scope) {
+ if(scope->tag == DW_TAG_inlined_subroutine) {
- xbt_dict_set(location_list, key, loclist, NULL);
+ // Attach correct namespaced name in inlined subroutine:
+ char* key = bprintf("%" PRIx64, (uint64_t) scope->abstract_origin_id);
+ dw_frame_t abstract_origin = xbt_dict_get_or_null(info->subprograms, key);
+ xbt_assert(abstract_origin, "Could not lookup abstract origin %s", key);
xbt_free(key);
-
- xbt_dynar_free(&split);
+ scope->name = xbt_strdup(abstract_origin->name);
}
- xbt_free(line);
- xbt_free(command);
- pclose(fp);
-
- return location_list;
-}
-
-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;
+ // Direct:
+ unsigned cursor = 0;
+ dw_variable_t variable = NULL;
+ xbt_dynar_foreach(scope->variables, cursor, variable) {
+ if(variable->type_origin) {
+ variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
}
}
- xbt_dict_cursor_free(&cursor);
- return NULL;
-
-}
-
-static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
+ // Recursive post-processing of nested-scopes:
+ dw_frame_t nested_scope = NULL;
+ xbt_dynar_foreach(scope->scopes, cursor, nested_scope)
+ mc_post_process_scope(info, nested_scope);
- 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;
+static void MC_post_process_functions(mc_object_info_t info) {
+ xbt_dict_cursor_t cursor;
+ char* key;
+ dw_frame_t subprogram = NULL;
+ xbt_dict_foreach(info->subprograms, cursor, key, subprogram) {
+ mc_post_process_scope(info, subprogram);
}
+}
- return NULL;
+/** \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;
}
+/*************************************************************************/
+
static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
if(xbt_dynar_is_empty(variables))
end = cursor - 1;
}else{
if(address){ /* global variable */
- if(var_test->address.address == address)
+ if(var_test->address == address)
return -1;
- if(var_test->address.address > address)
+ if(var_test->address > address)
end = cursor - 1;
else
start = cursor + 1;
}
if(strcmp(var_test->name, var) == 0){
- if(address && var_test->address.address < address)
+ if(address && var_test->address < address)
return cursor+1;
else
return cursor;
}
-static void MC_dwarf_get_variables(mc_object_info_t info){
- mc_object_info_t result = info;
- const char *elf_file = info->file_name;
-
- xbt_dict_t location_list = MC_dwarf_get_location_list(elf_file);
-
- char *command = bprintf("LANG=C objdump -Wi %s", elf_file);
-
- FILE *fp = popen(command, "r");
-
- if(fp == NULL)
- perror("popen for objdump failed");
-
- xbt_dict_t *local_variables = &result->local_variables;
- xbt_dynar_t *global_variables = &result->global_variables;
- xbt_dict_t *types = &result->types;
-
- char *line = NULL, *origin, *abstract_origin, *current_frame = NULL,
- *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL,
- *node_type = NULL, *location_type = NULL, *variable_name = NULL,
- *loc_expr = NULL, *name = NULL, *end =NULL, *type_origin = NULL, *global_address = NULL,
- *parent_value = NULL;
-
- ssize_t read =0;
- size_t n = 0;
- int global_variable = 0, parent = 0, new_frame = 0, new_variable = 1, size = 0,
- is_pointer = 0, struct_decl = 0, member_end = 0,
- enumeration_size = 0, subrange = 0, union_decl = 0, offset = 0, index = 0;
-
- xbt_dynar_t split = NULL, split2 = NULL;
-
- xbt_dict_t variables_origin = xbt_dict_new_homogeneous(xbt_free);
- xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(xbt_free);
-
- dw_frame_t variable_frame, subroutine_frame = NULL;
-
- e_dw_type_type type_type = -1;
-
- read = xbt_getline(&line, &n, fp);
-
- while (read != -1) {
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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 */
- /* We build/complete a dw_frame_t object
- * and append it if necessary to the local_variables dictionnary */
-
- dw_frame_t frame = NULL;
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- subprogram_start = xbt_strdup(strtok(NULL, "<"));
- xbt_str_rtrim(subprogram_start, ">:");
-
- read = xbt_getline(&line, &n, fp);
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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 = xbt_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 = xbt_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(*local_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_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
- frame->frame_base = xbt_new0(s_dw_location_t, 1);
- current_frame = strdup(frame->name);
-
- xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(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 = MC_dwarf_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 = MC_dwarf_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, xbt_strdup(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(*local_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 */
- /* We build a dw_variable_t object and append it either to
- the list of variables of the frame (local variable)
- or to the list of global variables (global variables). */
-
- dw_variable_t var = NULL;
-
- parent_value = strdup(xbt_dynar_get_as(split, 0, char *));
- parent_value = strtok(parent_value,"<");
- xbt_str_rtrim(parent_value, ">");
- parent = atoi(parent_value);
- xbt_free(parent_value);
-
- if(parent == 1)
- global_variable = 1;
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = xbt_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 || 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){
-
- var = xbt_new0(s_dw_variable_t, 1);
- var->name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
- xbt_dict_set(variables_origin, origin, xbt_strdup(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 = MC_dwarf_get_frame_by_offset(*local_variables, strtoul(abstract_origin, NULL, 16));
- var = MC_dwarf_get_variable_by_name(variable_frame, variable_name);
-
- }else if(strcmp(node_type, "DW_AT_location") == 0){
-
- if(var != NULL){
-
- if(!global_variable){
-
- 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->address.location = MC_dwarf_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, ")");
- if(strncmp("DW_OP_addr", loc_expr, 10) == 0){
- global_variable = 1;
- xbt_dynar_free(&split2);
- split2 = xbt_str_split(loc_expr, " ");
- if(strcmp(elf_file, xbt_binary_name) != 0)
- var->address.address = (char *) info->start_text + (long)((void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16));
- else
- // Why is it different ?
- var->address.address = (void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16);
- }else{
- var->address.location = MC_dwarf_get_location(NULL, loc_expr);
- }
- xbt_dynar_free(&split2);
- xbt_free(loc_expr);
- }
- }else{
- global_address = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
- xbt_str_rtrim(global_address, ")");
- if(strcmp(elf_file, xbt_binary_name) != 0)
- var->address.address = (char *) info->start_text + (long)((void *)strtoul(global_address, NULL, 16));
- else
- // Why is it different ?
- var->address.address = (void *)strtoul(global_address, NULL, 16);
- xbt_free(global_address);
- global_address = NULL;
- }
-
- }
-
- }else if(strcmp(node_type, "DW_AT_type") == 0){
-
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
-
- }else if(strcmp(node_type, "DW_AT_declaration") == 0){
-
- new_variable = 0;
- if(new_variable){
- dw_variable_free(var);
- var = NULL;
- }
-
- }else if(strcmp(node_type, "DW_AT_artificial") == 0){
-
- new_variable = 0;
- if(new_variable){
- dw_variable_free(var);
- var = NULL;
- }
-
- }
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- if(new_variable == 1){
-
- if(!global_variable){
- variable_frame = xbt_dict_get_or_null(*local_variables, current_frame);
- var->type_origin = strdup(type_origin);
- var->global = 0;
- index = MC_dwarf_get_variable_index(variable_frame->variables, var->name, NULL);
- if(index != -1)
- xbt_dynar_insert_at(variable_frame->variables, index, &var);
- }else{
- var->type_origin = strdup(type_origin);
- var->global = 1;
- index = MC_dwarf_get_variable_index(*global_variables, var->name, var->address.address);
- if(index != -1)
- xbt_dynar_insert_at(*global_variables, index, &var);
- }
-
- xbt_free(type_origin);
- type_origin = NULL;
- }
-
- global_variable = 0;
- new_variable = 1;
-
- }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
- /* Update the information on the frame (we should duplicate it instead). */
-
- read = xbt_getline(&line, &n, fp);
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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(*local_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 if(strcmp(node_type, "(DW_TAG_base_type)") == 0
- || strcmp(node_type, "(DW_TAG_enumeration_type)") == 0
- || strcmp(node_type, "(DW_TAG_enumerator)") == 0
- || strcmp(node_type, "(DW_TAG_typedef)") == 0
- || strcmp(node_type, "(DW_TAG_const_type)") == 0
- || strcmp(node_type, "(DW_TAG_subroutine_type)") == 0
- || strcmp(node_type, "(DW_TAG_volatile_type)") == 0
- || (is_pointer = !strcmp(node_type, "(DW_TAG_pointer_type)"))){
-
- /* Create the and add it to the types dictionnary */
-
- if(strcmp(node_type, "(DW_TAG_base_type)") == 0)
- type_type = e_dw_base_type;
- else if(strcmp(node_type, "(DW_TAG_enumeration_type)") == 0)
- type_type = e_dw_enumeration_type;
- else if(strcmp(node_type, "(DW_TAG_enumerator)") == 0)
- type_type = e_dw_enumerator;
- else if(strcmp(node_type, "(DW_TAG_typedef)") == 0)
- type_type = e_dw_typedef;
- else if(strcmp(node_type, "(DW_TAG_const_type)") == 0)
- type_type = e_dw_const_type;
- else if(strcmp(node_type, "(DW_TAG_pointer_type)") == 0)
- type_type = e_dw_pointer_type;
- else if(strcmp(node_type, "(DW_TAG_subroutine_type)") == 0)
- type_type = e_dw_subroutine_type;
- else if(strcmp(node_type, "(DW_TAG_volatile_type)") == 0)
- type_type = e_dw_volatile_type;
-
- 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 || 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_byte_size") == 0){
- size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- if(type_type == e_dw_enumeration_type)
- enumeration_size = size;
- }else if(strcmp(node_type, "DW_AT_name") == 0){
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "):");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
- name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
- }else if(strcmp(node_type, "DW_AT_type") == 0){
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
- }
-
- read = xbt_getline(&line, &n, fp);
- }
-
- dw_type_t type = xbt_new0(s_dw_type_t, 1);
- type->type = type_type;
- if(name)
- type->name = xbt_strdup(name);
- else
- type->name = xbt_strdup("undefined");
- type->is_pointer_type = is_pointer;
- type->id = (void *)strtoul(origin, NULL, 16);
- if(type_origin)
- type->dw_type_id = xbt_strdup(type_origin);
- if(type_type == e_dw_enumerator)
- type->size = enumeration_size;
- else
- type->size = size;
- type->members = NULL;
-
- xbt_dict_set(*types, origin, type, NULL);
-
- xbt_free(name);
- name = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- xbt_free(end);
- end = NULL;
-
- is_pointer = 0;
- size = 0;
- xbt_free(origin);
-
- }else if(strcmp(node_type, "(DW_TAG_structure_type)") == 0 || strcmp(node_type, "(DW_TAG_union_type)") == 0){
-
- if(strcmp(node_type, "(DW_TAG_structure_type)") == 0)
- struct_decl = 1;
- else
- union_decl = 1;
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- read = xbt_getline(&line, &n, fp);
-
- dw_type_t type = NULL;
-
- while(read != -1){
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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){
- member_end = 1;
- break;
- }
-
- if(strcmp(node_type, "DW_AT_byte_size") == 0){
- size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- }else if(strcmp(node_type, "DW_AT_name") == 0){
- xbt_free(end);
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "):");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
- name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
- }else if(strcmp(node_type, "DW_AT_type") == 0){
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
- }else if(strcmp(node_type, "DW_AT_data_member_location:") == 0){
- xbt_free(end);
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "DW_OP_plus_uconst:");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), NULL);
- xbt_str_rtrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), ")");
- offset = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- }
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- if(member_end && type){
- member_end = 0;
-
- dw_type_t member_type = xbt_new0(s_dw_type_t, 1);
- member_type->name = xbt_strdup(name);
- member_type->size = size;
- member_type->is_pointer_type = is_pointer;
- member_type->id = (void *)strtoul(origin, NULL, 16);
- member_type->offset = offset;
- if(type_origin)
- member_type->dw_type_id = xbt_strdup(type_origin);
-
- xbt_dynar_push(type->members, &member_type);
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
- offset = 0;
-
- xbt_free(origin);
- origin = NULL;
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- }
-
- if(struct_decl || union_decl){
- type = xbt_new0(s_dw_type_t, 1);
- if(struct_decl)
- type->type = e_dw_structure_type;
- else
- type->type = e_dw_union_type;
- type->name = xbt_strdup(name);
- type->size = size;
- type->is_pointer_type = is_pointer;
- type->id = (void *)strtoul(origin, NULL, 16);
- if(type_origin)
- type->dw_type_id = xbt_strdup(type_origin);
- type->members = xbt_dynar_new(sizeof(dw_type_t), dw_type_free_voidp);
-
- xbt_dict_set(*types, origin, type, NULL);
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
- struct_decl = 0;
- union_decl = 0;
-
- }
-
- if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_member)") != 0)
- break;
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- xbt_free(origin);
- origin = NULL;
-
- }else if(strcmp(node_type, "(DW_TAG_array_type)") == 0){
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- read = xbt_getline(&line, &n, fp);
-
- dw_type_t type = NULL;
-
- while(read != -1){
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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_upper_bound") == 0){
- size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- }else if(strcmp(node_type, "DW_AT_name") == 0){
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "):");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
- name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
- }else if(strcmp(node_type, "DW_AT_type") == 0){
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
- }
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") == 0){
- subrange = 1;
- }
-
- if(subrange && type){
- type->size = size;
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
-
- xbt_free(origin);
- origin = NULL;
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- }else {
-
- type = xbt_new0(s_dw_type_t, 1);
- type->type = e_dw_array_type;
- type->name = xbt_strdup(name);
- type->is_pointer_type = is_pointer;
- type->id = (void *)strtoul(origin, NULL, 16);
- if(type_origin)
- type->dw_type_id = xbt_strdup(type_origin);
- type->members = NULL;
-
- xbt_dict_set(*types, origin, type, NULL);
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
- }
-
- if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") != 0)
- break;
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- xbt_free(origin);
- origin = NULL;
-
- }else{
-
- read = xbt_getline(&line, &n, fp);
-
- }
+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 ?
+}
- }
-
- xbt_dynar_free(&split);
- xbt_dict_free(&variables_origin);
- xbt_dict_free(&subprograms_origin);
- xbt_free(line);
- xbt_free(command);
- xbt_dict_free(&location_list);
+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 ?
+}
- pclose(fp);
+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);
}
char *frame;
}s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
-typedef struct s_mc_data_bss_ignore_variable{
- char *name;
-}s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
-
/**************************** Free functions ******************************/
static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
}
-static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
- xbt_free(v->name);
- xbt_free(v);
-}
-
-static void data_bss_ignore_variable_free_voidp(void *v){
- data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
-}
-
static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
xbt_free(r);
}
MC_SET_RAW_MEM;
- if(mc_libsimgrid_info){
+ xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
unsigned int cursor = 0;
dw_variable_t current_var;
end = cursor - 1;
}
}
-
- }else{
- if(mc_data_bss_comparison_ignore == NULL)
- mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
+ if(!raw_mem_set)
+ MC_UNSET_RAW_MEM;
+}
- mc_data_bss_ignore_variable_t var = NULL;
- var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
- var->name = strdup(name);
+/** \brief Ignore a local variable in a scope
+ *
+ * Ignore all instances of variables with a given name in
+ * any (possibly inlined) subprogram with a given namespaced
+ * name.
+ *
+ * \param var_name Name of the local variable (or parameter to ignore)
+ * \param subprogram_name Name of the subprogram fo ignore (NULL for any)
+ * \param subprogram (possibly inlined) Subprogram of the scope
+ * \param scope Current scope
+ */
+static void mc_ignore_local_variable_in_scope(
+ const char *var_name, const char *subprogram_name,
+ dw_frame_t subprogram, dw_frame_t scope) {
+ // Processing of direct variables:
- if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
+ // If the current subprogram matche the given name:
+ if(subprogram_name==NULL || strcmp(subprogram_name, subprogram->name)==0) {
- xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
+ // Try to find the variable and remove it:
+ int start = 0;
+ int end = xbt_dynar_length(scope->variables) - 1;
- }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(strcmp(current_var->name, name) == 0){
- data_bss_ignore_variable_free(var);
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
- return;
- }else if(strcmp(current_var->name, name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
+ // Dichotomic search:
+ while(start <= end){
+ int cursor = (start + end) / 2;
+ dw_variable_t current_var = (dw_variable_t)xbt_dynar_get_as(scope->variables, cursor, dw_variable_t);
- if(strcmp(current_var->name, name) < 0)
- xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
- else
- xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
+ int compare = strcmp(current_var->name, var_name);
+ if(compare == 0){
+ // Variable found, remove it:
+ xbt_dynar_remove_at(scope->variables, cursor, NULL);
+ // and start again:
+ start = 0;
+ end = xbt_dynar_length(scope->variables) - 1;
+ }else if(compare < 0){
+ start = cursor + 1;
+ }else{
+ end = cursor - 1;
+ }
}
+
}
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
+ // And recursive processing in nested scopes:
+ unsigned cursor = 0;
+ dw_frame_t nested_scope = NULL;
+ xbt_dynar_foreach(scope->scopes, cursor, nested_scope) {
+ // The new scope may be an inlined subroutine, in this case we want to use its
+ // namespaced name in recursive calls:
+ dw_frame_t nested_subprogram = nested_scope->tag == DW_TAG_inlined_subroutine ? nested_scope : subprogram;
+
+ mc_ignore_local_variable_in_scope(var_name, subprogram_name, nested_subprogram, nested_scope);
+ }
+}
+
+static void MC_ignore_local_variable_in_object(const char *var_name, const char *subprogram_name, mc_object_info_t info) {
+ xbt_dict_cursor_t cursor2;
+ dw_frame_t frame;
+ char* key;
+ xbt_dict_foreach(info->subprograms, cursor2, key, frame) {
+ mc_ignore_local_variable_in_scope(var_name, subprogram_name, frame, frame);
+ }
}
void MC_ignore_local_variable(const char *var_name, const char *frame_name){
int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
- MC_SET_RAW_MEM;
+ if(strcmp(frame_name, "*") == 0)
+ frame_name = NULL;
- if(mc_libsimgrid_info){
- unsigned int cursor = 0;
- dw_variable_t current_var;
- int start, end;
- if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
- xbt_dict_cursor_t dict_cursor;
- char *current_frame_name;
- dw_frame_t frame;
- xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
- 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);
- if(strcmp(current_var->name, var_name) == 0){
- xbt_dynar_remove_at(frame->variables, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(frame->variables) - 1;
- }else if(strcmp(current_var->name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
- }
- xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
- 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);
- if(strcmp(current_var->name, var_name) == 0){
- xbt_dynar_remove_at(frame->variables, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(frame->variables) - 1;
- }else if(strcmp(current_var->name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
- }
- }else{
- xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
- mc_libsimgrid_info->local_variables, frame_name))->variables;
- start = 0;
- end = xbt_dynar_length(variables_list) - 1;
- while(start <= end){
- cursor = (start + end) / 2;
- current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
- if(strcmp(current_var->name, var_name) == 0){
- xbt_dynar_remove_at(variables_list, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(variables_list) - 1;
- }else if(strcmp(current_var->name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
- }
- }else{
-
- if(mc_stack_comparison_ignore == NULL)
- mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
-
- 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(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
-
- 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){
- stack_ignore_variable_free(var);
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
- return;
- }else if(strcmp(current_var->var_name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }else if(strcmp(current_var->frame, frame_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
+ MC_SET_RAW_MEM;
- if(strcmp(current_var->frame, frame_name) == 0){
- if(strcmp(current_var->var_name, var_name) < 0){
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
- }else{
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
- }
- }else if(strcmp(current_var->frame, frame_name) < 0){
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
- }else{
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
- }
- }
- }
+ 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;
/******************************* Initialisation of MC *******************************/
/*********************************************************************************/
-static void MC_dump_ignored_local_variables(void){
-
- if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
- return;
-
- unsigned int cursor = 0;
- mc_stack_ignore_variable_t current_var;
+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;
+ }
+ }
+ }
- xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
- MC_ignore_local_variable(current_var->var_name, current_var->frame);
}
-
- xbt_dynar_free(&mc_stack_comparison_ignore);
- mc_stack_comparison_ignore = NULL;
-
}
-static void MC_dump_ignored_global_variables(void){
+static void MC_init_debug_info(void) {
+ XBT_INFO("Get debug information ...");
- if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
- return;
+ memory_map_t maps = MC_get_memory_map();
- unsigned int cursor = 0;
- mc_data_bss_ignore_variable_t current_var;
+ /* 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;
- xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
- MC_ignore_global_variable(current_var->name);
- }
+ mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
+ mc_object_infos[1] = mc_libsimgrid_info;
- xbt_dynar_free(&mc_data_bss_comparison_ignore);
- mc_data_bss_comparison_ignore = NULL;
+ // 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
MC_SET_RAW_MEM;
MC_init_memory_map_info();
-
- 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_address(maps, xbt_binary_name);
- MC_dwarf_get_variables(mc_binary_info);
-
- mc_libsimgrid_info = MC_find_object_address(maps, libsimgrid_path);
- MC_dwarf_get_variables(mc_libsimgrid_info);
-
- XBT_INFO("Get debug information done !");
-
- /* Remove variables ignored before getting list of variables */
- MC_dump_ignored_local_variables();
- MC_dump_ignored_global_variables();
-
- /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
- MC_get_libsimgrid_plt_section();
- MC_get_binary_plt_section();
+ MC_init_debug_info();
/* Init parmap */
parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
- MC_free_memory_map(maps);
-
MC_UNSET_RAW_MEM;
/* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
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("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));
}else{
MC_SET_RAW_MEM;
MC_init_memory_map_info();
- MC_get_libsimgrid_plt_section();
- MC_get_binary_plt_section();
+ MC_init_debug_info();
MC_UNSET_RAW_MEM;
}
/* Save the initial state */
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();
void MC_exit(void)
{
xbt_free(mc_time);
+
MC_memory_exit();
//xbt_abort();
}
xbt_fifo_item_t item, start_item;
mc_state_t state;
smx_process_t process = NULL;
+ int comm_pattern = 0;
XBT_DEBUG("**** Begin Replay ****");
}
MC_SET_RAW_MEM;
- xbt_dict_reset(first_enabled_state);
- xbt_swag_foreach(process, simix_global->process_list){
- if(MC_process_is_enabled(process)){
+
+ if(mc_reduce_kind == e_mc_reduce_dpor){
+ 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);
+ xbt_dynar_reset(incomplete_communications_pattern);
+ }
+
MC_UNSET_RAW_MEM;
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(mc_reduce_kind == e_mc_reduce_dpor){
+ 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
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);
+ if(mc_reduce_kind == e_mc_reduce_dpor){
+ 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);
}
- xbt_free(key);
}
+ MC_UNSET_RAW_MEM;
}
- MC_UNSET_RAW_MEM;
/* Update statistics */
mc_stats->visited_states++;
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;
}