hotspot/src/share/vm/oops/constantPoolKlass.cpp
author jmasa
Sun, 11 Jan 2009 16:58:24 -0800
changeset 1894 5c343868d071
parent 1550 be2fc37a817f
child 2105 347008ce7984
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6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark" Summary: The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition. Reviewed-by: ysr, dcubed
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/*
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 * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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# include "incls/_precompiled.incl"
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# include "incls/_constantPoolKlass.cpp.incl"
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constantPoolOop constantPoolKlass::allocate(int length, bool is_conc_safe, TRAPS) {
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  int size = constantPoolOopDesc::object_size(length);
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  KlassHandle klass (THREAD, as_klassOop());
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  constantPoolOop c =
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    (constantPoolOop)CollectedHeap::permanent_obj_allocate(klass, size, CHECK_NULL);
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  c->set_length(length);
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  c->set_tags(NULL);
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  c->set_cache(NULL);
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  c->set_pool_holder(NULL);
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  c->set_flags(0);
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  // only set to non-zero if constant pool is merged by RedefineClasses
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  c->set_orig_length(0);
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  // if constant pool may change during RedefineClasses, it is created
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  // unsafe for GC concurrent processing.
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  c->set_is_conc_safe(is_conc_safe);
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  // all fields are initialized; needed for GC
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  // initialize tag array
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  // Note: cannot introduce constant pool handle before since it is not
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  //       completely initialized (no class) -> would cause assertion failure
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  constantPoolHandle pool (THREAD, c);
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  typeArrayOop t_oop = oopFactory::new_permanent_byteArray(length, CHECK_NULL);
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  typeArrayHandle tags (THREAD, t_oop);
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  for (int index = 0; index < length; index++) {
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    tags()->byte_at_put(index, JVM_CONSTANT_Invalid);
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  }
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  pool->set_tags(tags());
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  return pool();
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}
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klassOop constantPoolKlass::create_klass(TRAPS) {
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  constantPoolKlass o;
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  KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
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  KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
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  // Make sure size calculation is right
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  assert(k()->size() == align_object_size(header_size()), "wrong size for object");
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  java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
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  return k();
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}
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int constantPoolKlass::oop_size(oop obj) const {
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  assert(obj->is_constantPool(), "must be constantPool");
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  return constantPoolOop(obj)->object_size();
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}
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void constantPoolKlass::oop_follow_contents(oop obj) {
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  assert (obj->is_constantPool(), "obj must be constant pool");
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  constantPoolOop cp = (constantPoolOop) obj;
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  // Performance tweak: We skip iterating over the klass pointer since we
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  // know that Universe::constantPoolKlassObj never moves.
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  // If the tags array is null we are in the middle of allocating this constant pool
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  if (cp->tags() != NULL) {
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    // gc of constant pool contents
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i < cp->length(); i++) {
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      if (cp->is_pointer_entry(i)) {
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        if (*base != NULL) MarkSweep::mark_and_push(base);
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      }
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      base++;
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    }
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    // gc of constant pool instance variables
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    MarkSweep::mark_and_push(cp->tags_addr());
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    MarkSweep::mark_and_push(cp->cache_addr());
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    MarkSweep::mark_and_push(cp->pool_holder_addr());
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  }
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}
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#ifndef SERIALGC
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void constantPoolKlass::oop_follow_contents(ParCompactionManager* cm,
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                                            oop obj) {
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  assert (obj->is_constantPool(), "obj must be constant pool");
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  constantPoolOop cp = (constantPoolOop) obj;
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  // Performance tweak: We skip iterating over the klass pointer since we
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  // know that Universe::constantPoolKlassObj never moves.
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  // If the tags array is null we are in the middle of allocating this constant
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  // pool.
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  if (cp->tags() != NULL) {
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    // gc of constant pool contents
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i < cp->length(); i++) {
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      if (cp->is_pointer_entry(i)) {
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        if (*base != NULL) PSParallelCompact::mark_and_push(cm, base);
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      }
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      base++;
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    }
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    // gc of constant pool instance variables
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    PSParallelCompact::mark_and_push(cm, cp->tags_addr());
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    PSParallelCompact::mark_and_push(cm, cp->cache_addr());
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    PSParallelCompact::mark_and_push(cm, cp->pool_holder_addr());
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  }
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}
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#endif // SERIALGC
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int constantPoolKlass::oop_adjust_pointers(oop obj) {
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  assert (obj->is_constantPool(), "obj must be constant pool");
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  constantPoolOop cp = (constantPoolOop) obj;
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  // Get size before changing pointers.
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  // Don't call size() or oop_size() since that is a virtual call.
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  int size = cp->object_size();
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  // Performance tweak: We skip iterating over the klass pointer since we
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  // know that Universe::constantPoolKlassObj never moves.
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  // If the tags array is null we are in the middle of allocating this constant
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  // pool.
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  if (cp->tags() != NULL) {
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i< cp->length();  i++) {
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      if (cp->is_pointer_entry(i)) {
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        MarkSweep::adjust_pointer(base);
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      }
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      base++;
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    }
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  }
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  MarkSweep::adjust_pointer(cp->tags_addr());
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  MarkSweep::adjust_pointer(cp->cache_addr());
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  MarkSweep::adjust_pointer(cp->pool_holder_addr());
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  return size;
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}
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int constantPoolKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
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  assert (obj->is_constantPool(), "obj must be constant pool");
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  // Performance tweak: We skip iterating over the klass pointer since we
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  // know that Universe::constantPoolKlassObj never moves.
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  constantPoolOop cp = (constantPoolOop) obj;
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  // Get size before changing pointers.
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  // Don't call size() or oop_size() since that is a virtual call.
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  int size = cp->object_size();
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  // If the tags array is null we are in the middle of allocating this constant
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  // pool.
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  if (cp->tags() != NULL) {
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i < cp->length(); i++) {
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      if (cp->is_pointer_entry(i)) {
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        blk->do_oop(base);
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      }
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      base++;
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    }
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  }
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  blk->do_oop(cp->tags_addr());
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  blk->do_oop(cp->cache_addr());
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  blk->do_oop(cp->pool_holder_addr());
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  return size;
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}
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int constantPoolKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) {
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  assert (obj->is_constantPool(), "obj must be constant pool");
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  // Performance tweak: We skip iterating over the klass pointer since we
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  // know that Universe::constantPoolKlassObj never moves.
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  constantPoolOop cp = (constantPoolOop) obj;
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  // Get size before changing pointers.
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  // Don't call size() or oop_size() since that is a virtual call.
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  int size = cp->object_size();
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  // If the tags array is null we are in the middle of allocating this constant
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  // pool.
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  if (cp->tags() != NULL) {
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i < cp->length(); i++) {
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      if (mr.contains(base)) {
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        if (cp->is_pointer_entry(i)) {
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          blk->do_oop(base);
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        }
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      }
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      base++;
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    }
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  }
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  oop* addr;
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  addr = cp->tags_addr();
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  blk->do_oop(addr);
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  addr = cp->cache_addr();
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  blk->do_oop(addr);
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  addr = cp->pool_holder_addr();
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  blk->do_oop(addr);
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  return size;
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}
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bool constantPoolKlass::oop_is_conc_safe(oop obj) const {
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  assert(obj->is_constantPool(), "must be constantPool");
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  return constantPoolOop(obj)->is_conc_safe();
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}
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1
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#ifndef SERIALGC
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int constantPoolKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
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  assert (obj->is_constantPool(), "obj must be constant pool");
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  constantPoolOop cp = (constantPoolOop) obj;
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  // If the tags array is null we are in the middle of allocating this constant
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  // pool.
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  if (cp->tags() != NULL) {
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i < cp->length(); ++i, ++base) {
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      if (cp->is_pointer_entry(i)) {
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        PSParallelCompact::adjust_pointer(base);
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      }
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    }
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  }
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  PSParallelCompact::adjust_pointer(cp->tags_addr());
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  PSParallelCompact::adjust_pointer(cp->cache_addr());
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  PSParallelCompact::adjust_pointer(cp->pool_holder_addr());
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  return cp->object_size();
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}
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int
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constantPoolKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
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                                       HeapWord* beg_addr, HeapWord* end_addr) {
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  assert (obj->is_constantPool(), "obj must be constant pool");
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  constantPoolOop cp = (constantPoolOop) obj;
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  // If the tags array is null we are in the middle of allocating this constant
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  // pool.
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  if (cp->tags() != NULL) {
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    oop* base = (oop*)cp->base();
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    oop* const beg_oop = MAX2((oop*)beg_addr, base);
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    oop* const end_oop = MIN2((oop*)end_addr, base + cp->length());
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    const size_t beg_idx = pointer_delta(beg_oop, base, sizeof(oop*));
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    const size_t end_idx = pointer_delta(end_oop, base, sizeof(oop*));
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    for (size_t cur_idx = beg_idx; cur_idx < end_idx; ++cur_idx, ++base) {
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      if (cp->is_pointer_entry(int(cur_idx))) {
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        PSParallelCompact::adjust_pointer(base);
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      }
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    }
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  }
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  oop* p;
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  p = cp->tags_addr();
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  PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
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  p = cp->cache_addr();
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  PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
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  p = cp->pool_holder_addr();
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  PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
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  return cp->object_size();
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}
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void constantPoolKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
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  assert(obj->is_constantPool(), "should be constant pool");
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  constantPoolOop cp = (constantPoolOop) obj;
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  if (AnonymousClasses && cp->has_pseudo_string() && cp->tags() != NULL) {
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i < cp->length(); ++i, ++base) {
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      if (cp->tag_at(i).is_string()) {
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        if (PSScavenge::should_scavenge(base)) {
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          pm->claim_or_forward_breadth(base);
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        }
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      }
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    }
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  }
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}
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void constantPoolKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
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  assert(obj->is_constantPool(), "should be constant pool");
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  constantPoolOop cp = (constantPoolOop) obj;
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  if (AnonymousClasses && cp->has_pseudo_string() && cp->tags() != NULL) {
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    oop* base = (oop*)cp->base();
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    for (int i = 0; i < cp->length(); ++i, ++base) {
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      if (cp->tag_at(i).is_string()) {
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   293
        if (PSScavenge::should_scavenge(base)) {
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   294
          pm->claim_or_forward_depth(base);
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   295
        }
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      }
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   297
    }
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  }
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}
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#endif // SERIALGC
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#ifndef PRODUCT
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   303
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// Printing
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   305
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   306
void constantPoolKlass::oop_print_on(oop obj, outputStream* st) {
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  EXCEPTION_MARK;
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  oop anObj;
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  assert(obj->is_constantPool(), "must be constantPool");
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  Klass::oop_print_on(obj, st);
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  constantPoolOop cp = constantPoolOop(obj);
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   312
  if (cp->flags() != 0) {
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   313
    st->print(" - flags : 0x%x", cp->flags());
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   314
    if (cp->has_pseudo_string()) st->print(" has_pseudo_string");
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    st->cr();
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  }
1
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  // Temp. remove cache so we can do lookups with original indicies.
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   319
  constantPoolCacheHandle cache (THREAD, cp->cache());
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   320
  cp->set_cache(NULL);
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   321
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   322
  for (int index = 1; index < cp->length(); index++) {      // Index 0 is unused
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   323
    st->print(" - %3d : ", index);
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   324
    cp->tag_at(index).print_on(st);
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   325
    st->print(" : ");
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   326
    switch (cp->tag_at(index).value()) {
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   327
      case JVM_CONSTANT_Class :
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   328
        { anObj = cp->klass_at(index, CATCH);
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   329
          anObj->print_value_on(st);
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   330
          st->print(" {0x%lx}", (address)anObj);
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   331
        }
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   332
        break;
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   333
      case JVM_CONSTANT_Fieldref :
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   334
      case JVM_CONSTANT_Methodref :
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   335
      case JVM_CONSTANT_InterfaceMethodref :
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   336
        st->print("klass_index=%d", cp->klass_ref_index_at(index));
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   337
        st->print(" name_and_type_index=%d", cp->name_and_type_ref_index_at(index));
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   338
        break;
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   339
      case JVM_CONSTANT_UnresolvedString :
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      case JVM_CONSTANT_String :
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   341
        if (cp->is_pseudo_string_at(index)) {
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   342
          anObj = cp->pseudo_string_at(index);
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   343
        } else {
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   344
          anObj = cp->string_at(index, CATCH);
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        }
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        anObj->print_value_on(st);
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   347
        st->print(" {0x%lx}", (address)anObj);
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   348
        break;
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   349
      case JVM_CONSTANT_Integer :
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        st->print("%d", cp->int_at(index));
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   351
        break;
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   352
      case JVM_CONSTANT_Float :
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   353
        st->print("%f", cp->float_at(index));
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   354
        break;
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   355
      case JVM_CONSTANT_Long :
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   356
        st->print_jlong(cp->long_at(index));
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   357
        index++;   // Skip entry following eigth-byte constant
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   358
        break;
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   359
      case JVM_CONSTANT_Double :
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        st->print("%lf", cp->double_at(index));
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   361
        index++;   // Skip entry following eigth-byte constant
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   362
        break;
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   363
      case JVM_CONSTANT_NameAndType :
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   364
        st->print("name_index=%d", cp->name_ref_index_at(index));
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   365
        st->print(" signature_index=%d", cp->signature_ref_index_at(index));
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   366
        break;
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   367
      case JVM_CONSTANT_Utf8 :
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diff changeset
   368
        cp->symbol_at(index)->print_value_on(st);
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diff changeset
   369
        break;
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parents:
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   370
      case JVM_CONSTANT_UnresolvedClass :               // fall-through
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parents:
diff changeset
   371
      case JVM_CONSTANT_UnresolvedClassInError: {
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parents:
diff changeset
   372
        // unresolved_klass_at requires lock or safe world.
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parents:
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   373
        oop entry = *cp->obj_at_addr(index);
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parents:
diff changeset
   374
        entry->print_value_on(st);
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parents:
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   375
        }
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   376
        break;
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parents:
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   377
      default:
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parents:
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   378
        ShouldNotReachHere();
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parents:
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   379
        break;
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parents:
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   380
    }
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parents:
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   381
    st->cr();
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parents:
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   382
  }
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parents:
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   383
  st->cr();
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parents:
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   384
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parents:
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   385
  // Restore cache
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parents:
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   386
  cp->set_cache(cache());
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parents:
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   387
}
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parents:
diff changeset
   388
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parents:
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   389
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parents:
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   390
#endif
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parents:
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   391
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   392
const char* constantPoolKlass::internal_name() const {
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parents:
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   393
  return "{constant pool}";
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parents:
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   394
}
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parents:
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   395
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parents:
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   396
// Verification
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parents:
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   397
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parents:
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   398
void constantPoolKlass::oop_verify_on(oop obj, outputStream* st) {
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parents:
diff changeset
   399
  Klass::oop_verify_on(obj, st);
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parents:
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   400
  guarantee(obj->is_constantPool(), "object must be constant pool");
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parents:
diff changeset
   401
  constantPoolOop cp = constantPoolOop(obj);
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parents:
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   402
  guarantee(cp->is_perm(), "should be in permspace");
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parents:
diff changeset
   403
  if (!cp->partially_loaded()) {
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parents:
diff changeset
   404
    oop* base = (oop*)cp->base();
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parents:
diff changeset
   405
    for (int i = 0; i< cp->length();  i++) {
489c9b5090e2 Initial load
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parents:
diff changeset
   406
      if (cp->tag_at(i).is_klass()) {
489c9b5090e2 Initial load
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parents:
diff changeset
   407
        guarantee((*base)->is_perm(),     "should be in permspace");
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parents:
diff changeset
   408
        guarantee((*base)->is_klass(),    "should be klass");
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parents:
diff changeset
   409
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
      if (cp->tag_at(i).is_unresolved_klass()) {
489c9b5090e2 Initial load
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parents:
diff changeset
   411
        guarantee((*base)->is_perm(),     "should be in permspace");
489c9b5090e2 Initial load
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parents:
diff changeset
   412
        guarantee((*base)->is_symbol() || (*base)->is_klass(),
489c9b5090e2 Initial load
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parents:
diff changeset
   413
                  "should be symbol or klass");
489c9b5090e2 Initial load
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parents:
diff changeset
   414
      }
489c9b5090e2 Initial load
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parents:
diff changeset
   415
      if (cp->tag_at(i).is_symbol()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
        guarantee((*base)->is_perm(),     "should be in permspace");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
        guarantee((*base)->is_symbol(),   "should be symbol");
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parents:
diff changeset
   418
      }
489c9b5090e2 Initial load
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parents:
diff changeset
   419
      if (cp->tag_at(i).is_unresolved_string()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
        guarantee((*base)->is_perm(),     "should be in permspace");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
        guarantee((*base)->is_symbol() || (*base)->is_instance(),
489c9b5090e2 Initial load
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parents:
diff changeset
   422
                  "should be symbol or instance");
489c9b5090e2 Initial load
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parents:
diff changeset
   423
      }
489c9b5090e2 Initial load
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parents:
diff changeset
   424
      if (cp->tag_at(i).is_string()) {
1550
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 670
diff changeset
   425
        if (!cp->has_pseudo_string()) {
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 670
diff changeset
   426
          guarantee((*base)->is_perm(),   "should be in permspace");
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 670
diff changeset
   427
          guarantee((*base)->is_instance(), "should be instance");
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 670
diff changeset
   428
        } else {
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 670
diff changeset
   429
          // can be non-perm, can be non-instance (array)
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 670
diff changeset
   430
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
      base++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
    guarantee(cp->tags()->is_perm(),         "should be in permspace");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
    guarantee(cp->tags()->is_typeArray(),    "should be type array");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
    if (cp->cache() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
      // Note: cache() can be NULL before a class is completely setup or
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
      // in temporary constant pools used during constant pool merging
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
      guarantee(cp->cache()->is_perm(),              "should be in permspace");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
      guarantee(cp->cache()->is_constantPoolCache(), "should be constant pool cache");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
    if (cp->pool_holder() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
      // Note: pool_holder() can be NULL in temporary constant pools
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
      // used during constant pool merging
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
      guarantee(cp->pool_holder()->is_perm(),  "should be in permspace");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
      guarantee(cp->pool_holder()->is_klass(), "should be klass");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
bool constantPoolKlass::oop_partially_loaded(oop obj) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  assert(obj->is_constantPool(), "object must be constant pool");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
  constantPoolOop cp = constantPoolOop(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  return cp->tags() == NULL || cp->pool_holder() == (klassOop) cp;   // Check whether pool holder points to self
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
void constantPoolKlass::oop_set_partially_loaded(oop obj) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
  assert(obj->is_constantPool(), "object must be constant pool");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
  constantPoolOop cp = constantPoolOop(obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
  assert(cp->pool_holder() == NULL, "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
  cp->set_pool_holder((klassOop) cp);   // Temporarily set pool holder to point to self
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
// CompileTheWorld support. Preload all classes loaded references in the passed in constantpool
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
void constantPoolKlass::preload_and_initialize_all_classes(oop obj, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
  guarantee(obj->is_constantPool(), "object must be constant pool");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
  constantPoolHandle cp(THREAD, (constantPoolOop)obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
  guarantee(!cp->partially_loaded(), "must be fully loaded");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
  for (int i = 0; i< cp->length();  i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
    if (cp->tag_at(i).is_unresolved_klass()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
      // This will force loading of the class
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
      klassOop klass = cp->klass_at(i, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
      if (klass->is_instance()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
        // Force initialization of class
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
        instanceKlass::cast(klass)->initialize(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
#endif