void *start_text_libsimgrid;
void *start_plt_libsimgrid, *end_plt_libsimgrid;
+void *start_got_plt_libsimgrid, *end_got_plt_libsimgrid;
void *start_plt_binary, *end_plt_binary;
+void *start_got_plt_binary, *end_got_plt_binary;
char *libsimgrid_path;
void *start_data_libsimgrid, *start_bss_libsimgrid;
void *start_data_binary, *start_bss_binary;
return;
}
-void MC_take_snapshot(mc_snapshot_t snapshot)
-{
- unsigned int i = 0;
- s_map_region_t reg;
- memory_map_t maps = get_memory_map();
-
- /* Save the std heap and the writable mapped pages of libsimgrid */
- while (i < maps->mapsize) {
- reg = maps->regions[i];
- if ((reg.prot & PROT_WRITE)){
- if (maps->regions[i].pathname == NULL){
- if (reg.start_addr == std_heap){ // only save the std heap (and not the raw one)
- MC_snapshot_add_region(snapshot, 0, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
- }
- i++;
- } else {
- if (!memcmp(basename(maps->regions[i].pathname), "libsimgrid", 10)){
- MC_snapshot_add_region(snapshot, 1, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
- i++;
- reg = maps->regions[i];
- while(reg.pathname == NULL && (reg.prot & PROT_WRITE) && i < maps->mapsize){
- MC_snapshot_add_region(snapshot, 1, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
- i++;
- reg = maps->regions[i];
- }
- }else{
- i++;
- }
- }
- }else{
- i++;
- }
- }
-
- free_memory_map(maps);
-}
-
void MC_init_memory_map_info(){
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
MC_SET_RAW_MEM;
}
}
}
- }else if ((reg.prot & PROT_READ)){
+ }else if ((reg.prot & PROT_READ) && (reg.prot & PROT_EXEC)){
if (maps->regions[i].pathname != NULL){
if (!memcmp(basename(maps->regions[i].pathname), "libsimgrid", 10)){
start_text_libsimgrid = reg.start_addr;
}
-mc_snapshot_t MC_take_snapshot_liveness()
-{
+mc_snapshot_t SIMIX_pre_mc_snapshot(smx_simcall_t simcall){
+ return MC_take_snapshot();
+}
- raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+mc_snapshot_t MC_take_snapshot()
+{
+ int raw_mem = (mmalloc_get_current_heap() == raw_heap);
+
MC_SET_RAW_MEM;
mc_snapshot_t snapshot = xbt_new0(s_mc_snapshot_t, 1);
}
}
- snapshot->stacks = take_snapshot_stacks(heap);
+ if(_surf_mc_visited > 0 || strcmp(_surf_mc_property_file,""))
+ snapshot->stacks = take_snapshot_stacks(heap);
free_memory_map(maps);
MC_UNSET_RAW_MEM;
- if(raw_mem_set)
+ if(raw_mem)
MC_SET_RAW_MEM;
return snapshot;
size_t n = 0; /* Amount of bytes to read by getline */
char *lfields[7];
- int i, plt_not_found = 1;
+ int i, plt_found = 0;
unsigned long int size, offset;
if(libsimgrid_path == NULL)
fp = popen(command, "r");
- if(fp == NULL)
+ if(fp == NULL){
perror("popen failed");
+ xbt_abort();
+ }
- while ((read = getline(&line, &n, fp)) != -1 && plt_not_found == 1) {
+ while ((read = getline(&line, &n, fp)) != -1 && plt_found != 2) {
if(n == 0)
continue;
offset = strtoul(lfields[5], NULL, 16);
start_plt_libsimgrid = (char *)start_text_libsimgrid + offset;
end_plt_libsimgrid = (char *)start_plt_libsimgrid + size;
- plt_not_found = 0;
- }
+ plt_found++;
+ }else if(strcmp(lfields[1], ".got.plt") == 0){
+ size = strtoul(lfields[2], NULL, 16);
+ offset = strtoul(lfields[5], NULL, 16);
+ start_got_plt_libsimgrid = (char *)start_text_libsimgrid + offset;
+ end_got_plt_libsimgrid = (char *)start_got_plt_libsimgrid + size;
+ plt_found++;
+ }
+
}
}
size_t n = 0; /* Amount of bytes to read by getline */
char *lfields[7];
- int i, plt_not_found = 1;
- unsigned long int size, offset;
+ int i, plt_found = 0;
+ unsigned long int size;
char *command = bprintf( "objdump --section-headers %s", xbt_binary_name);
fp = popen(command, "r");
- if(fp == NULL)
+ if(fp == NULL){
perror("popen failed");
+ xbt_abort();
+ }
- while ((read = getline(&line, &n, fp)) != -1 && plt_not_found == 1) {
+ while ((read = getline(&line, &n, fp)) != -1 && plt_found != 2) {
if(n == 0)
continue;
if(i>=6){
if(strcmp(lfields[1], ".plt") == 0){
size = strtoul(lfields[2], NULL, 16);
- offset = strtoul(lfields[5], NULL, 16);
- start_plt_binary = (char *)start_text_binary + offset;
+ start_plt_binary = (void *)strtoul(lfields[3], NULL, 16);
end_plt_binary = (char *)start_plt_binary + size;
- plt_not_found = 0;
- }
+ plt_found++;
+ }else if(strcmp(lfields[1], ".got.plt") == 0){
+ size = strtoul(lfields[2], NULL, 16);
+ start_got_plt_binary = (char *)strtoul(lfields[3], NULL, 16);
+ end_got_plt_binary = (char *)start_got_plt_binary + size;
+ plt_found++;
+ }
}
unw_cursor_t c;
int ret;
- //char *stack_name;
char frame_name[256];
xbt_abort();
}
- //stack_name = strdup(((smx_process_t)((smx_ctx_sysv_t)(stack->address))->super.data)->name);
-
unw_word_t ip, sp, off;
dw_frame_t frame;
frame_found = 0;
cursor = 0;
- //XBT_INFO("Frame %s", frame->name);
-
xbt_dict_foreach(frame->variables, dict_cursor, variable_name, current_variable){
if(current_variable->location != NULL){
switch(current_variable->location->type){
}
if(xbt_dynar_length(compose) > 0){
- //XBT_INFO("Variable : %s", current_variable->name);
if(strcmp(xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1, variable_value_t)->type, "value") == 0){
- //XBT_INFO("Variable : %s - value : %lx", current_variable->name, xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1, variable_value_t)->value.res);
xbt_strbuff_append(variables, bprintf("%s=%lx\n", current_variable->name, xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1, variable_value_t)->value.res));
}else{
if((long)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1,variable_value_t)->value.address < 0 || *((void**)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1,variable_value_t)->value.address) == NULL){
- //XBT_INFO("Variable : %s - address : NULL", current_variable->name);
xbt_strbuff_append(variables, bprintf("%s=NULL\n", current_variable->name));
}else if(((long)*((void**)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1,variable_value_t)->value.address) > 0xffffffff) || ((long)*((void**)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1,variable_value_t)->value.address) < (long)start_text_binary)){
- //XBT_INFO("Variable : %s - value : %zd", current_variable->name, (size_t)*((void**)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1, variable_value_t)->value.address));
xbt_strbuff_append(variables, bprintf("%s=%d\n", current_variable->name, (int)(long)*((void**)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1, variable_value_t)->value.address)));
- }else{
- //XBT_INFO("Variable : %s - address : %p", current_variable->name, *((void**)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1, variable_value_t)->value.address));
+ }else{
xbt_strbuff_append(variables, bprintf("%s=%p\n", current_variable->name, *((void**)xbt_dynar_get_as(compose, xbt_dynar_length(compose) - 1, variable_value_t)->value.address)));
}
}
}else{
- //XBT_INFO("Variable %s undefined", current_variable->name);
xbt_strbuff_append(variables, bprintf("%s=undefined\n", current_variable->name));
}
break;
break;
}
}else{
- //XBT_INFO("Variable : %s, no location", current_variable->name);
xbt_strbuff_append(variables, bprintf("%s=undefined\n", current_variable->name));
}
}
ret = unw_step(&c);
-
- //XBT_INFO(" ");
}
- //free(stack_name);
-
return variables;
}
