view src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.hpp @ 989:148e5441d916

6863023: need non-perm oops in code cache for JSR 292 Summary: Make a special root-list for those few nmethods which might contain non-perm oops. Reviewed-by: twisti, kvn, never, jmasa, ysr
author jrose
date Tue, 15 Sep 2009 21:53:47 -0700
parents a61af66fc99e
children c18cbe5936b8
line wrap: on
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/*
 * Copyright (c) 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

class VM_ParallelGCFailedAllocation: public VM_GC_Operation {
 private:
  size_t    _size;
  bool      _is_tlab;
  HeapWord* _result;

 public:
  VM_ParallelGCFailedAllocation(size_t size, bool is_tlab,
                                unsigned int gc_count);

  virtual VMOp_Type type() const {
    return VMOp_ParallelGCFailedAllocation;
  }
  virtual void doit();

  HeapWord* result() const       { return _result; }
};

class VM_ParallelGCFailedPermanentAllocation: public VM_GC_Operation {
private:
  size_t    _size;
  HeapWord* _result;

 public:
  VM_ParallelGCFailedPermanentAllocation(size_t size,
                                         unsigned int gc_count,
                                         unsigned int full_gc_count);
  virtual VMOp_Type type() const {
    return VMOp_ParallelGCFailedPermanentAllocation;
  }
  virtual void doit();
  HeapWord* result() const       { return _result; }
};

class VM_ParallelGCSystemGC: public VM_GC_Operation {
 public:
  VM_ParallelGCSystemGC(unsigned int gc_count, unsigned int full_gc_count,
                        GCCause::Cause gc_cause);
  virtual VMOp_Type type() const { return VMOp_ParallelGCSystemGC; }
  virtual void doit();
};