Mercurial > hg > truffle
comparison src/share/vm/oops/klassOop.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
| author | duke |
|---|---|
| date | Sat, 01 Dec 2007 00:00:00 +0000 |
| parents | |
| children | c18cbe5936b8 |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:a61af66fc99e |
|---|---|
| 1 /* | |
| 2 * Copyright 1997-2002 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 */ | |
| 24 | |
| 25 // A klassOop is the C++ equivalent of a Java class. | |
| 26 // Part of a klassOopDesc is a Klass which handle the | |
| 27 // dispatching for the C++ method calls. | |
| 28 | |
| 29 // klassOop object layout: | |
| 30 // [header ] | |
| 31 // [klass_field] | |
| 32 // [KLASS ] | |
| 33 | |
| 34 class klassOopDesc : public oopDesc { | |
| 35 public: | |
| 36 // size operation | |
| 37 static int header_size() { return sizeof(klassOopDesc)/HeapWordSize; } | |
| 38 | |
| 39 // support for code generation | |
| 40 static int klass_part_offset_in_bytes() { return sizeof(klassOopDesc); } | |
| 41 | |
| 42 // returns the Klass part containing dispatching behavior | |
| 43 Klass* klass_part() { return (Klass*)((address)this + klass_part_offset_in_bytes()); } | |
| 44 }; |