src/share/vm/oops/klassKlass.hpp

Tue, 08 Feb 2011 12:33:19 +0100

author
stefank
date
Tue, 08 Feb 2011 12:33:19 +0100
changeset 2534
e5383553fd4e
parent 2314
f95d63e2154a
permissions
-rw-r--r--

7014851: Remove unused parallel compaction code
Summary: Removed.
Reviewed-by: jcoomes, brutisso

duke@435 1 /*
stefank@2314 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_OOPS_KLASSKLASS_HPP
stefank@2314 26 #define SHARE_VM_OOPS_KLASSKLASS_HPP
stefank@2314 27
stefank@2314 28 #include "memory/oopFactory.hpp"
stefank@2314 29 #include "oops/klass.hpp"
stefank@2314 30 #include "oops/klassOop.hpp"
stefank@2314 31
duke@435 32 // A klassKlass serves as the fix point of the klass chain.
duke@435 33 // The klass of klassKlass is itself.
duke@435 34
duke@435 35 class klassKlass: public Klass {
duke@435 36 friend class VMStructs;
duke@435 37 private:
duke@435 38 juint _alloc_size; // allocation profiling support
duke@435 39 public:
duke@435 40 // Testing
duke@435 41 bool oop_is_klass() const { return true; }
duke@435 42 bool is_leaf_class() const { return true; }
duke@435 43
duke@435 44 // Sizing
duke@435 45 int oop_size(oop obj) const;
duke@435 46 int klass_oop_size() const { return object_size(); }
duke@435 47
duke@435 48 // Allocation
duke@435 49 DEFINE_ALLOCATE_PERMANENT(klassKlass);
duke@435 50 static klassOop create_klass(TRAPS );
duke@435 51
duke@435 52 // Casting from klassOop
duke@435 53 static klassKlass* cast(klassOop k) {
duke@435 54 assert(k->klass_part()->oop_is_klass(), "cast to klassKlass");
duke@435 55 return (klassKlass*) k->klass_part();
duke@435 56 }
duke@435 57
duke@435 58 // Sizing
duke@435 59 static int header_size() { return oopDesc::header_size() + sizeof(klassKlass)/HeapWordSize; }
duke@435 60 int object_size() const { return align_object_size(header_size()); }
duke@435 61
duke@435 62 // Garbage collection
duke@435 63 void oop_follow_contents(oop obj);
duke@435 64 int oop_adjust_pointers(oop obj);
duke@435 65
duke@435 66 // Parallel Scavenge and Parallel Old
duke@435 67 PARALLEL_GC_DECLS
duke@435 68
duke@435 69 // Iterators
duke@435 70 int oop_oop_iterate(oop obj, OopClosure* blk);
duke@435 71 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
duke@435 72
duke@435 73 // Allocation profiling support
duke@435 74 juint alloc_size() const { return _alloc_size; }
duke@435 75 void set_alloc_size(juint n) { _alloc_size = n; }
duke@435 76
duke@435 77 // Printing
jrose@1590 78 void oop_print_value_on(oop obj, outputStream* st);
duke@435 79 void oop_print_on (oop obj, outputStream* st);
duke@435 80
duke@435 81 // Verification
duke@435 82 const char* internal_name() const;
duke@435 83 void oop_verify_on(oop obj, outputStream* st);
duke@435 84 };
stefank@2314 85
stefank@2314 86 #endif // SHARE_VM_OOPS_KLASSKLASS_HPP

mercurial