view src/share/vm/shark/sharkRuntime.hpp @ 3602:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <>, stefank <>, mgerdin <>, never <>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents f95d63e2154a
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 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2008, 2009, 2010 Red Hat, Inc.
 * 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 if you need additional information or have any
 * questions.


#include "memory/allocation.hpp"
#include "runtime/thread.hpp"
#include "shark/llvmHeaders.hpp"
#include "shark/llvmValue.hpp"

class SharkRuntime : public AllStatic {
  // VM calls
  static int find_exception_handler(JavaThread* thread,
                                    int*        indexes,
                                    int         num_indexes);

  static void monitorenter(JavaThread* thread, BasicObjectLock* lock);
  static void monitorexit(JavaThread* thread, BasicObjectLock* lock);

  static void new_instance(JavaThread* thread, int index);
  static void newarray(JavaThread* thread, BasicType type, int size);
  static void anewarray(JavaThread* thread, int index, int size);
  static void multianewarray(JavaThread* thread,
                             int         index,
                             int         ndims,
                             int*        dims);

  static void register_finalizer(JavaThread* thread, oop object);

  static void throw_ArithmeticException(JavaThread* thread,
                                        const char* file,
                                        int         line);
  static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread,
                                                   const char* file,
                                                   int         line,
                                                   int         index);
  static void throw_ClassCastException(JavaThread* thread,
                                       const char* file,
                                       int         line);
  static void throw_NullPointerException(JavaThread* thread,
                                         const char* file,
                                         int         line);

  // Helpers for VM calls
  static const SharkFrame* last_frame(JavaThread *thread) {
    return thread->last_frame().zero_sharkframe();
  static Method* method(JavaThread *thread) {
    return last_frame(thread)->method();
  static address bcp(JavaThread *thread, int bci) {
    return method(thread)->code_base() + bci;
  static int two_byte_index(JavaThread *thread, int bci) {
    return Bytes::get_Java_u2(bcp(thread, bci) + 1);
  static intptr_t tos_at(JavaThread *thread, int offset) {
    return *(thread->zero_stack()->sp() + offset);

  // Non-VM calls
  static void dump(const char *name, intptr_t value);
  static bool is_subtype_of(Klass* check_klass, Klass* object_klass);
  static int uncommon_trap(JavaThread* thread, int trap_request);