jdk8-mips64-public/hotspot: src/share/vm/oops/methodKlass.hpp@f7c4174b33ba

7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
Summary: Fold instanceKlass::_enclosing_method_class_index and instanceKlass::_enclosing_method_method_index into the instanceKlass::_inner_classes array.
Reviewed-by: never, coleenp
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

     1 /*

     2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_OOPS_METHODKLASS_HPP

    26 #define SHARE_VM_OOPS_METHODKLASS_HPP

    28 #include "oops/klass.hpp"

    29 #include "oops/klassOop.hpp"

    30 #include "oops/methodOop.hpp"

    32 // a methodKlass is the klass of a methodOop

    34 class methodKlass : public Klass {

    35   friend class VMStructs;

    36  private:

    37   juint    _alloc_size;        // allocation profiling support

    38  public:

    39   // Testing

    40   bool oop_is_method() const { return true; }

    42   // Allocation

    43   DEFINE_ALLOCATE_PERMANENT(methodKlass);

    44   methodOop allocate(constMethodHandle xconst, AccessFlags access_flags,

    45                      TRAPS);

    46   static klassOop create_klass(TRAPS);

    48   // Sizing

    49   int oop_size(oop obj) const;

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

    52   // Casting from klassOop

    53   static methodKlass* cast(klassOop k) {

    54     assert(k->klass_part()->oop_is_method(), "cast to methodKlass");

    55     return (methodKlass*) k->klass_part();

    56   }

    58   // Sizing

    59   static int header_size()       { return oopDesc::header_size() + sizeof(methodKlass)/HeapWordSize; }

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

    62   // Garbage collection

    63   void oop_follow_contents(oop obj);

    64   int  oop_adjust_pointers(oop obj);

    65   bool oop_is_parsable(oop obj) const;

    67   // Parallel Scavenge and Parallel Old

    68   PARALLEL_GC_DECLS

    70   // Allocation profiling support

    71   juint alloc_size() const              { return _alloc_size; }

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

    74   // Iterators

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

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

    78  public:

    79   // Printing

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

    81 #ifndef PRODUCT

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

    83 #endif //PRODUCT

    85   // Verify operations

    86   const char* internal_name() const;

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

    88   bool oop_partially_loaded(oop obj) const;

    89   void oop_set_partially_loaded(oop obj);

    90 };

    92 #endif // SHARE_VM_OOPS_METHODKLASS_HPP

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

src/share/vm/oops/methodKlass.hpp@f7c4174b33ba

src/share/vm/oops/methodKlass.hpp