jdk8-mips64-public/hotspot: src/share/vm/oops/methodDataKlass.hpp@e392695de029

6935224: Adding new DTrace probes to work with Palantir
Summary: Adding probes related to thread scheduling and class initialization
Reviewed-by: kamg, never

     1 /*

     2  * Copyright 2000-2006 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 // a methodDataKlass is the klass of a methodDataOop

    27 class methodDataKlass : public Klass {

    28   friend class VMStructs;

    29  private:

    30   juint _alloc_size; // allocation profiling support

    31  public:

    32   // Testing

    33   bool oop_is_methodData() const { return true; }

    35   // Allocation

    36   DEFINE_ALLOCATE_PERMANENT(methodDataKlass);

    37   methodDataOop allocate(methodHandle method, TRAPS);

    38   static klassOop create_klass(TRAPS);

    40   // Sizing

    41   int oop_size(oop obj) const;

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

    44   // Casting from klassOop

    45   static methodDataKlass* cast(klassOop k) {

    46     assert(k->klass_part()->oop_is_methodData(), "cast to methodDataKlass");

    47     return (methodDataKlass*) k->klass_part();

    48   }

    50   // Sizing

    51   static int header_size() {

    52     return oopDesc::header_size() + sizeof(methodDataKlass)/wordSize;

    53   }

    54   int object_size() const {

    55     return align_object_size(header_size());

    56   }

    58   // Garbage collection

    59   void oop_follow_contents(oop obj);

    60   int  oop_adjust_pointers(oop obj);

    61   bool oop_is_parsable(oop obj) const;

    63   // Parallel Scavenge and Parallel Old

    64   PARALLEL_GC_DECLS

    66   // Allocation profiling support

    67   juint alloc_size() const { return _alloc_size; }

    68   void  set_alloc_size(juint n) { _alloc_size = n; }

    70   // Iterators

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

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

    74  public:

    75   // Printing

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

    77 #ifndef PRODUCT

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

    79 #endif //PRODUCT

    81   // Verify operations

    82   const char* internal_name() const;

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

    84 };

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

src/share/vm/oops/methodDataKlass.hpp@e392695de029

src/share/vm/oops/methodDataKlass.hpp