jdk8-mips64-public/hotspot: src/share/vm/oops/objArrayKlassKlass.hpp@5f24d0319e54

4360113: Evict nmethods when code cache gets full
Summary: Speculatively unload the oldest nmethods when code cache gets full.
Reviewed-by: never, kvn
Contributed-by: eric.caspole@amd.com

     1 /*

     2  * Copyright 1997-2006 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 // The objArrayKlassKlass is klass for all objArrayKlass'

    27 class objArrayKlassKlass : public arrayKlassKlass {

    28  public:

    29   // Testing

    30   virtual bool oop_is_objArrayKlass() const { return true; }

    32   // Dispatched operation

    33   int oop_size(oop obj) const { return objArrayKlass::cast(klassOop(obj))->object_size(); }

    34   int klass_oop_size() const  { return object_size(); }

    36   // Allocation

    37   DEFINE_ALLOCATE_PERMANENT(objArrayKlassKlass);

    38   static klassOop create_klass(TRAPS);

    39   klassOop allocate_objArray_klass(int n, KlassHandle element_klass, TRAPS);

    40   klassOop allocate_system_objArray_klass(TRAPS); // Used for bootstrapping in Universe::genesis

    42   // Casting from klassOop

    43   static objArrayKlassKlass* cast(klassOop k) {

    44     assert(k->klass_part()->oop_is_klass(), "cast to objArrayKlassKlass");

    45     return (objArrayKlassKlass*) k->klass_part();

    46   }

    48   // Sizing

    49   static int header_size()  { return oopDesc::header_size() + sizeof(objArrayKlassKlass)/HeapWordSize; }

    50   int object_size() const   { return align_object_size(header_size()); }

    52   // Garbage collection

    53   void oop_follow_contents(oop obj);

    54   int oop_adjust_pointers(oop obj);

    56   // Parallel Scavenge and Parallel Old

    57   PARALLEL_GC_DECLS

    59   // Iterators

    60   int oop_oop_iterate(oop obj, OopClosure* blk);

    61   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);

    63  private:

    64   // helpers

    65   static klassOop allocate_objArray_klass_impl(objArrayKlassKlassHandle this_oop, int n, KlassHandle element_klass, TRAPS);

    67  public:

    68   // Printing

    69   void oop_print_value_on(oop obj, outputStream* st);

    70 #ifndef PRODUCT

    71   void oop_print_on(oop obj, outputStream* st);

    72 #endif //PRODUCT

    74   // Verification

    75   const char* internal_name() const;

    76   void oop_verify_on(oop obj, outputStream* st);

    78 };

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/oops/objArrayKlassKlass.hpp@5f24d0319e54

src/share/vm/oops/objArrayKlassKlass.hpp