-/* 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
static void local_variable_free(local_variable_t v){
xbt_free(v->frame);
xbt_free(v->name);
- xbt_free(v->type);
xbt_free(v);
}
/************************************* Take Snapshot ************************************/
/****************************************************************************************/
+static bool mc_valid_variable(dw_variable_t var, dw_frame_t frame, const void* ip) {
+ // The variable is not yet valid:
+ if((const void*)((const char*) frame->low_pc + var->start_scope) > ip)
+ return false;
+ else
+ return true;
+}
+
static xbt_dynar_t MC_get_local_variables_values(xbt_dynar_t stack_frames){
unsigned cursor1 = 0;
dw_variable_t current_variable;
xbt_dynar_foreach(stack_frame->frame->variables, cursor2, current_variable){
+ if(!mc_valid_variable(current_variable, stack_frame->frame, (void*) stack_frame->ip))
+ continue;
+
int region_type;
if((long)stack_frame->ip > (long)mc_libsimgrid_info->start_exec)
region_type = 1;
new_var->frame = xbt_strdup(stack_frame->frame_name);
new_var->ip = stack_frame->ip;
new_var->name = xbt_strdup(current_variable->name);
- new_var->type = strdup(current_variable->type_origin);
+ new_var->type = current_variable->type;
new_var->region= region_type;
/* if(current_variable->address!=NULL) {
new_var->address = current_variable->address;
} else */
- if(current_variable->location != NULL){
- new_var->address = (void*) MC_dwarf_resolve_location(
- &(stack_frame->unw_cursor), current_variable->location, (void*)stack_frame->frame_base);
+ if(current_variable->locations.size != 0){
+ new_var->address = (void*) mc_dwarf_resolve_locations(¤t_variable->locations,
+ &(stack_frame->unw_cursor), (void*)stack_frame->frame_base);
}
xbt_dynar_push(variables, &new_var);
if(frame) {
stack_frame->frame_name = xbt_strdup(frame->name);
-
- mc_object_info_t info = MC_ip_find_object_info((void*)ip);
-
- // This is the instruction pointer as present in the DWARF of the object:
- // Relocated addresses are offset for shared objets and constant for executables objects.
- // See DWARF4 spec 7.5
- unw_word_t normalized_ip;
- if(info->flags & MC_OBJECT_INFO_EXECUTABLE) {
- normalized_ip = ip;
- } else {
- void* base = MC_object_base_address(info);
- normalized_ip = (unw_word_t) ip - (unw_word_t) base;
- }
-
- stack_frame->frame_base = (unw_word_t)mc_find_frame_base(normalized_ip, frame, &c);
+ stack_frame->frame_base = (unw_word_t)mc_find_frame_base(frame, &c);
} else {
stack_frame->frame_base = 0;
}