mixinKlass.cpp

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/* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.13 $ */
/* Copyright (c) 2006, Sun Microsystems, Inc.
All rights reserved.

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# include "incls/_precompiled.incl"
# include "incls/_mixinKlass.cpp.incl"

void set_mixinKlass_vtbl(Klass* k) {
  mixinKlass o;
  k->set_vtbl_value(o.vtbl_value());
}

oop mixinKlass::allocateObject() {
  klassOop k    = as_klassOop();
  int      size = non_indexable_size();
  // allocate
  mixinOop obj = as_mixinOop(Universe::allocate(size, (memOop*)&k));
  // header + instance variables
  memOop(obj)->initialize_header(true, k);
  memOop(obj)->initialize_body(memOopDesc::header_size(), size);
  objArrayOop filler = oopFactory::new_objArray(0);
  obj->set_methods(filler);
  obj->set_instVars(filler);
  obj->set_classVars(filler);
  obj->set_installed(falseObj);
  return obj;
}

klassOop mixinKlass::create_subclass(mixinOop mixin, Format format) {
  if (format == mem_klass || format == mixin_klass) {
    return mixinKlass::create_class(as_klassOop(), mixin);
  }
  return NULL;
}

klassOop mixinKlass::create_class(klassOop super_class, mixinOop mixin) {
  mixinKlass o;
  return create_generic_class(super_class, mixin, o.vtbl_value());
}

oop mixinKlass::oop_shallow_copy(oop obj, bool tenured) {
  mixinOop copy = mixinOop(memOopKlass::oop_shallow_copy(obj, tenured));
  copy->set_installed(falseObj);
  return copy;
}

int mixinKlass::oop_scavenge_contents(oop obj) {
  int size = non_indexable_size();
  // header + instance variables
  memOop(obj)->scavenge_header();
  memOop(obj)->scavenge_body(memOopDesc::header_size(), size);
  return size;  
}

int mixinKlass::oop_scavenge_tenured_contents(oop obj) {
  int size = non_indexable_size();
  // header + instance variables
  memOop(obj)->scavenge_tenured_header();
  memOop(obj)->scavenge_tenured_body(memOopDesc::header_size(), size);
  return size;
}

void mixinKlass::oop_follow_contents(oop obj) {
  // header + instance variables
  memOop(obj)->follow_header();
  memOop(obj)->follow_body(memOopDesc::header_size(), non_indexable_size());
}

void mixinKlass::oop_layout_iterate(oop obj, ObjectLayoutClosure* blk) {
  // header
  memOop(obj)->layout_iterate_header(blk);
  blk->do_oop("methods",            (oop*)&mixinOop(obj)->addr()->_methods);
  blk->do_oop("instVars",           (oop*)&mixinOop(obj)->addr()->_inst_vars);
  blk->do_oop("classVars",          (oop*)&mixinOop(obj)->addr()->_class_vars);
  blk->do_oop("primary invocation", (oop*)&mixinOop(obj)->addr()->_primary_invocation);
  blk->do_oop("class mixin",        (oop*)&mixinOop(obj)->addr()->_class_mixin);
  // instance variables
  memOop(obj)->layout_iterate_body(blk, mixinOopDesc::header_size(), non_indexable_size());
}

void mixinKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
  // header + instance variables
  memOop(obj)->oop_iterate_header(blk);
  memOop(obj)->oop_iterate_body(blk, memOopDesc::header_size(), non_indexable_size());
}

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