CFStringRef AoEProperties::get_targets_config_string(int nTargetNumber)
{
int n, nNum;
// Iterate over the list of targets, checking which one is the target number we are looking for
nNum = number_of_targets();
for(n=0; n<nNum; n++)
if ( nTargetNumber==get_target_number(n) )
return get_config_string(n);
return NULL;
}
void IC::print() {
char* s;
switch (shape()) {
case anamorphic : s = "Anamorphic"; break;
case monomorphic: s = "Monomorphic"; break;
case polymorphic: s = "Polymorphic"; break;
case megamorphic: s = "Megamorphic"; break;
default : ShouldNotReachHere();
}
std->print("%s IC: %d entries\n", s, number_of_targets());
IC_Iterator* it = iterator();
it->init_iteration();
while (!it->at_end()) {
lprintf("\t- klass: ");
it->klass()->print_value();
if (it->is_interpreted()) {
lprintf(";\tmethod %#x\n", it->interpreted_method());
} else {
lprintf(";\tnmethod %#x\n", it->compiled_method());
}
it->advance();
}
}
void InterpretedIC_Iterator::init_iteration() {
_pic = NULL;
_index = 0;
// determine initial state
switch (_ic->send_type()) {
case Bytecodes::interpreted_send:
if (_ic->is_empty()) {
// anamorphic call site (has never been executed => no type information)
_number_of_targets = 0;
_info = anamorphic;
} else {
// monomorphic call site
_number_of_targets = 1;
_info = monomorphic;
set_klass(_ic->second_word());
set_method(_ic->first_word());
}
break;
case Bytecodes::compiled_send :
_number_of_targets = 1;
_info = monomorphic;
set_klass(_ic->second_word());
assert(_ic->first_word()->is_smi(), "must have jumpTableEntry");
set_method(_ic->first_word());
assert(is_compiled(), "bad type");
break;
case Bytecodes::accessor_send : // fall through
case Bytecodes::primitive_send :
_number_of_targets = 1;
_info = monomorphic;
set_klass(_ic->second_word());
set_method(_ic->first_word());
assert(is_interpreted(), "bad type");
break;
case Bytecodes::megamorphic_send:
// no type information stored
_number_of_targets = 0;
_info = megamorphic;
break;
case Bytecodes::polymorphic_send:
// information on many types
_pic = objArrayOop(_ic->second_word());
_number_of_targets = _pic->length() / 2;
_info = polymorphic;
set_klass(_pic->obj_at(2));
set_method(_pic->obj_at(1));
break;
case Bytecodes::predicted_send:
if (_ic->is_empty() || _ic->second_word() == smiKlassObj) {
_number_of_targets = 1;
_info = monomorphic;
} else {
_number_of_targets = 2;
_info = polymorphic;
}
set_klass(smiKlassObj);
set_method(interpreter_normal_lookup(smiKlassObj, selector()).value());
assert(_method != NULL && _method->is_mem(), "this method must be there");
break;
default: ShouldNotReachHere();
}
assert((number_of_targets() > 1) == (_info == polymorphic), "inconsistency");
}
