src/hotspot/share/oops/resolvedIndyEntry.cpp - master - githubmirror/jdk22

src/hotspot/share/oops/resolvedIndyEntry.cpp

61 строка2 KB

Matias Saavedra Silva

8301995: Move invokedynamic resolution information out of ConstantPoolCacheEntry

28 мар 2023, 22:50

28 мар 2023, 22:503fbbfd1

/*
 * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#include "precompiled.hpp"
#include "code/compressedStream.hpp"
#include "oops/method.hpp"
#include "oops/resolvedIndyEntry.hpp"

bool ResolvedIndyEntry::check_no_old_or_obsolete_entry() {
  // return false if m refers to a non-deleted old or obsolete method
  if (_method != nullptr) {
      assert(_method->is_valid() && _method->is_method(), "m is a valid method");
      return !_method->is_old() && !_method->is_obsolete(); // old is always set for old and obsolete
  } else {
      return true;
  }
}

void ResolvedIndyEntry::remove_unshareable_info() {
  u2 saved_resolved_references_index = _resolved_references_index;
  u2 saved_cpool_index = _cpool_index;
  memset(this, 0, sizeof(*this));
  _resolved_references_index = saved_resolved_references_index;
  _cpool_index = saved_cpool_index;
}

void ResolvedIndyEntry::print_on(outputStream* st) const {
  st->print_cr("Resolved InvokeDynamic Info:");
  if (_method != nullptr) {
      st->print_cr(" - Method: " INTPTR_FORMAT " %s", p2i(method()), method()->external_name());
  } else {
      st->print_cr(" - Method: null");
  }
  st->print_cr(" - Resolved References Index: %d", resolved_references_index());
  st->print_cr(" - CP Index: %d", constant_pool_index());
  st->print_cr(" - Num Parameters: %d", num_parameters());
  st->print_cr(" - Return type: %s", type2name(as_BasicType((TosState)return_type())));
  st->print_cr(" - Has Appendix: %d", has_appendix());
  st->print_cr(" - Resolution Failed %d", resolution_failed());
}