jdk8-mips64-public/hotspot: src/share/vm/oops/methodKlass.hpp@7bb995fbd3c0

     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 // a methodKlass is the klass of a methodOop

    27 class methodKlass : public Klass {

    28   friend class VMStructs;

    29  private:

    30   juint    _alloc_size;        // allocation profiling support

    31  public:

    32   // Testing

    33   bool oop_is_method() const { return true; }

    35   // Allocation

    36   DEFINE_ALLOCATE_PERMANENT(methodKlass);

    37   methodOop allocate(constMethodHandle xconst, AccessFlags access_flags,

    38                      TRAPS);

    39   static klassOop create_klass(TRAPS);

    41   // Sizing

    42   int oop_size(oop obj) const;

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

    45   // Casting from klassOop

    46   static methodKlass* cast(klassOop k) {

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

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

    49   }

    51   // Sizing

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

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

    55   // Garbage collection

    56   void oop_follow_contents(oop obj);

    57   int  oop_adjust_pointers(oop obj);

    58   bool oop_is_parsable(oop obj) const;

    60   // Parallel Scavenge and Parallel Old

    61   PARALLEL_GC_DECLS

    63   // Allocation profiling support

    64   juint alloc_size() const              { return _alloc_size; }

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

    67   // Iterators

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

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

    71 #ifndef PRODUCT

    72  public:

    73   // Printing

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

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

    76 #endif

    78  public:

    79   // Verify operations

    80   const char* internal_name() const;

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

    82   bool oop_partially_loaded(oop obj) const;

    83   void oop_set_partially_loaded(oop obj);

    84 };

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