#include <link.h>
#include "mc_private.h"
#include "xbt/module.h"
+#include <xbt/mmalloc.h>
#include "../simix/smx_private.h"
static mc_mem_region_t MC_region_new(int type, void *start_addr, size_t size)
{
- mc_mem_region_t new_reg = xbt_new0(s_mc_mem_region_t, 1);
+ mc_mem_region_t new_reg = xbt_new(s_mc_mem_region_t, 1);
new_reg->start_addr = start_addr;
new_reg->size = size;
- new_reg->data = xbt_malloc0(size);
+ new_reg->data = xbt_malloc(size);
memcpy(new_reg->data, start_addr, size);
XBT_DEBUG("New region : type : %d, data : %p (real addr %p), size : %zu", type, new_reg->data, start_addr, size);
}
+/** \brief Fill/llokup the "subtype" field.
+ */
+static void MC_resolve_subtype(mc_object_info_t info, dw_type_t type) {
+
+ if(type->dw_type_id==NULL)
+ return;
+ type->subtype = xbt_dict_get_or_null(info->types, type->dw_type_id);
+ if(type->subtype==NULL)
+ return;
+ if(type->subtype->byte_size != 0)
+ return;
+ if(type->subtype->name==NULL)
+ return;
+ // Try to find a more complete description of the type:
+ // We need to fix in order to support C++.
+
+ dw_type_t subtype = xbt_dict_get_or_null(info->types_by_name, type->subtype->name);
+ if(subtype!=NULL) {
+ type->subtype = subtype;
+ }
+
+ // TODO, support "switch type" (looking up the type in another lib) when possible
+}
+
static void MC_post_process_types(mc_object_info_t info) {
- // Nothing here
+ xbt_dict_cursor_t cursor = NULL;
+ char *origin;
+ dw_type_t type;
+
+ // Lookup "subtype" field:
+ xbt_dict_foreach(info->types, cursor, origin, type){
+ MC_resolve_subtype(info, type);
+
+ dw_type_t member;
+ unsigned int i = 0;
+ if(type->members!=NULL) xbt_dynar_foreach(type->members, i, member) {
+ MC_resolve_subtype(info, member);
+ }
+ }
}
/** \brief Finds informations about a given shared object/executable */
/************************************* Take Snapshot ************************************/
/****************************************************************************************/
-static void MC_get_hash_global(char *snapshot_hash, void *data1, void *data2){
-
- /* unsigned int cursor = 0; */
- /* size_t offset; */
- /* global_variable_t current_var; */
- /* void *addr_pointed = NULL; */
- /* void *res = NULL; */
-
- /* xbt_strbuff_t clear = xbt_strbuff_new(); */
-
- /* xbt_dynar_foreach(mc_global_variables, cursor, current_var){ */
- /* if(current_var->address < start_data_libsimgrid){ /\* binary *\/ */
- /* offset = (char *)current_var->address - (char *)start_data_binary; */
- /* addr_pointed = *((void **)((char *)data2 + offset)); */
- /* if(((addr_pointed >= start_plt_binary && addr_pointed <= end_plt_binary)) || ((addr_pointed >= std_heap && (char *)addr_pointed <= (char *)std_heap + STD_HEAP_SIZE ))) */
- /* continue; */
- /* res = xbt_malloc0(current_var->size + 1); */
- /* memset(res, 0, current_var->size + 1); */
- /* memcpy(res, (char*)data2 + offset, current_var->size); */
- /* }else{ /\* libsimgrid *\/ */
- /* offset = (char *)current_var->address - (char *)start_data_libsimgrid; */
- /* addr_pointed = *((void **)((char *)data1 + offset)); */
- /* if((addr_pointed >= start_plt_libsimgrid && addr_pointed <= end_plt_libsimgrid) || (addr_pointed >= std_heap && (char *)addr_pointed <= (char *)std_heap + STD_HEAP_SIZE )) */
- /* continue; */
- /* res = xbt_malloc0(current_var->size + 1); */
- /* memset(res, 0, current_var->size + 1); */
- /* memcpy(res, (char*)data1 + offset, current_var->size); */
- /* } */
- /* if(res != NULL){ */
- /* xbt_strbuff_append(clear, (const char*)res); */
- /* xbt_free(res); */
- /* res = NULL; */
- /* } */
- /* } */
-
- /* xbt_sha(clear->data, snapshot_hash); */
-
- /* xbt_strbuff_free(clear); */
-
-}
-
-static void MC_get_hash_local(char *snapshot_hash, xbt_dynar_t stacks){
-
- /* xbt_dynar_t tokens = NULL, s_tokens = NULL; */
- /* unsigned int cursor1 = 0, cursor2 = 0; */
- /* mc_snapshot_stack_t current_stack; */
- /* char *frame_name = NULL; */
- /* void *addr; */
-
- /* xbt_strbuff_t clear = xbt_strbuff_new(); */
-
- /* while(cursor1 < xbt_dynar_length(stacks)){ */
- /* current_stack = xbt_dynar_get_as(stacks, cursor1, mc_snapshot_stack_t); */
- /* tokens = xbt_str_split(current_stack->local_variables->data, NULL); */
- /* cursor2 = 0; */
- /* while(cursor2 < xbt_dynar_length(tokens)){ */
- /* s_tokens = xbt_str_split(xbt_dynar_get_as(tokens, cursor2, char *), "="); */
- /* if(xbt_dynar_length(s_tokens) > 1){ */
- /* if(strcmp(xbt_dynar_get_as(s_tokens, 0, char *), "frame_name") == 0){ */
- /* xbt_free(frame_name); */
- /* frame_name = xbt_strdup(xbt_dynar_get_as(s_tokens, 1, char *)); */
- /* xbt_strbuff_append(clear, (const char*)xbt_dynar_get_as(tokens, cursor2, char *)); */
- /* cursor2++; */
- /* xbt_dynar_free(&s_tokens); */
- /* continue; */
- /* } */
- /* addr = (void *) strtoul(xbt_dynar_get_as(s_tokens, 1, char *), NULL, 16); */
- /* if(addr > std_heap && (char *)addr <= (char *)std_heap + STD_HEAP_SIZE){ */
- /* cursor2++; */
- /* xbt_dynar_free(&s_tokens); */
- /* continue; */
- /* } */
- /* if(is_stack_ignore_variable(frame_name, xbt_dynar_get_as(s_tokens, 0, char *))){ */
- /* cursor2++; */
- /* xbt_dynar_free(&s_tokens); */
- /* continue; */
- /* } */
- /* xbt_strbuff_append(clear, (const char *)xbt_dynar_get_as(tokens, cursor2, char *)); */
- /* } */
- /* xbt_dynar_free(&s_tokens); */
- /* cursor2++; */
- /* } */
- /* xbt_dynar_free(&tokens); */
- /* cursor1++; */
- /* } */
-
- /* xbt_free(frame_name); */
-
- /* xbt_sha(clear->data, snapshot_hash); */
-
- /* xbt_strbuff_free(clear); */
-
-}
-
-
-
static xbt_dynar_t MC_get_local_variables_values(void *stack_context){
unw_cursor_t c;
unsigned int cursor = 0;
dw_variable_t current_variable;
- dw_location_entry_t entry = NULL;
- int frame_found = 0, region_type;
+ int region_type;
void *frame_pointer_address = NULL;
long true_ip;
int stop = 0;
}
true_ip = (long)frame->low_pc + (long)off;
- frame_pointer_address = NULL;
-
- /* Get frame pointer */
- switch(frame->frame_base->type){
- case e_dw_loclist:
- cursor = 0;
- while(cursor < xbt_dynar_length(frame->frame_base->location.loclist) && !frame_found){
- entry = xbt_dynar_get_as(frame->frame_base->location.loclist, cursor, dw_location_entry_t);
- if((true_ip >= entry->lowpc) && (true_ip < entry->highpc)){
- frame_found = 1;
- frame_pointer_address = (void*) MC_dwarf_resolve_location(&c, entry->location, NULL);
- }
- cursor++;
- }
- break;
- default :
- frame_pointer_address = NULL; /* FIXME : implement other cases (with optimizations enabled)*/
- break;
- }
+ frame_pointer_address = mc_find_frame_base(true_ip, frame, &c);
- frame_found = 0;
cursor = 0;
xbt_dynar_foreach(frame->variables, cursor, current_variable){
mc_snapshot_t snapshot = xbt_new0(s_mc_snapshot_t, 1);
snapshot->nb_processes = xbt_swag_size(simix_global->process_list);
+ if(MC_USE_SNAPSHOT_HASH) {
+ snapshot->hash = mc_hash_processes_state(num_state);
+ } else {
+ snapshot->hash = 0;
+ }
/* Save the std heap and the writable mapped pages of libsimgrid and binary */
MC_get_memory_regions(snapshot);
if(_sg_mc_visited > 0 || strcmp(_sg_mc_property_file,"")){
snapshot->stacks = MC_take_snapshot_stacks(&snapshot, snapshot->regions[0]->data);
- //MC_get_hash_global(snapshot->hash_global, snapshot->regions[1]->data, snapshot->regions[2]->data);
- //MC_get_hash_local(snapshot->hash_local, snapshot->stacks);
}
if(num_state > 0)
