Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/oops/constantPoolKlass.hpp@126ea7725993 (annotated)
src/share/vm/oops/constantPoolKlass.hpp
Tue, 03 Aug 2010 08:13:38 -0400
- author
- bobv
- date
- Tue, 03 Aug 2010 08:13:38 -0400
- changeset 2036
- 126ea7725993
- parent 1907
- c18cbe5936b8
- child 2314
- f95d63e2154a
- permissions
- -rw-r--r--
6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes
| duke@435 | 1 | /* |
| trims@1907 | 2 | * Copyright (c) 1997, 2009, 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 | |
| duke@435 | 25 | // A constantPoolKlass is the klass of a constantPoolOop |
| duke@435 | 26 | |
| coleenp@548 | 27 | class constantPoolKlass : public Klass { |
| coleenp@548 | 28 | juint _alloc_size; // allocation profiling support |
| duke@435 | 29 | public: |
| duke@435 | 30 | // Dispatched klass operations |
| duke@435 | 31 | bool oop_is_constantPool() const { return true; } |
| duke@435 | 32 | int oop_size(oop obj) const; |
| duke@435 | 33 | int klass_oop_size() const { return object_size(); } |
| duke@435 | 34 | |
| duke@435 | 35 | // Allocation |
| duke@435 | 36 | DEFINE_ALLOCATE_PERMANENT(constantPoolKlass); |
| jmasa@953 | 37 | constantPoolOop allocate(int length, bool is_conc_safe, TRAPS); |
| duke@435 | 38 | static klassOop create_klass(TRAPS); |
| duke@435 | 39 | |
| duke@435 | 40 | // Casting from klassOop |
| duke@435 | 41 | static constantPoolKlass* cast(klassOop k) { |
| duke@435 | 42 | assert(k->klass_part()->oop_is_constantPool(), "cast to constantPoolKlass"); |
| duke@435 | 43 | return (constantPoolKlass*) k->klass_part(); |
| duke@435 | 44 | } |
| duke@435 | 45 | |
| duke@435 | 46 | // Sizing |
| duke@435 | 47 | static int header_size() { return oopDesc::header_size() + sizeof(constantPoolKlass)/HeapWordSize; } |
| coleenp@548 | 48 | int object_size() const { return align_object_size(header_size()); } |
| duke@435 | 49 | |
| duke@435 | 50 | // Garbage collection |
| jmasa@953 | 51 | // Returns true is the object is safe for GC concurrent processing. |
| jmasa@953 | 52 | virtual bool oop_is_conc_safe(oop obj) const; |
| duke@435 | 53 | void oop_follow_contents(oop obj); |
| duke@435 | 54 | int oop_adjust_pointers(oop obj); |
| duke@435 | 55 | |
| duke@435 | 56 | // Parallel Scavenge and Parallel Old |
| duke@435 | 57 | PARALLEL_GC_DECLS |
| duke@435 | 58 | |
| duke@435 | 59 | // Iterators |
| duke@435 | 60 | int oop_oop_iterate(oop obj, OopClosure* blk); |
| duke@435 | 61 | int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); |
| duke@435 | 62 | |
| coleenp@548 | 63 | // Allocation profiling support |
| coleenp@548 | 64 | juint alloc_size() const { return _alloc_size; } |
| coleenp@548 | 65 | void set_alloc_size(juint n) { _alloc_size = n; } |
| coleenp@548 | 66 | |
| duke@435 | 67 | // Printing |
| jrose@1590 | 68 | void oop_print_value_on(oop obj, outputStream* st); |
| duke@435 | 69 | void oop_print_on(oop obj, outputStream* st); |
| duke@435 | 70 | |
| duke@435 | 71 | // Verification |
| duke@435 | 72 | const char* internal_name() const; |
| duke@435 | 73 | void oop_verify_on(oop obj, outputStream* st); |
| duke@435 | 74 | // tells whether obj is partially constructed (gc during class loading) |
| duke@435 | 75 | bool oop_partially_loaded(oop obj) const; |
| duke@435 | 76 | void oop_set_partially_loaded(oop obj); |
| duke@435 | 77 | #ifndef PRODUCT |
| duke@435 | 78 | // Compile the world support |
| duke@435 | 79 | static void preload_and_initialize_all_classes(oop constant_pool, TRAPS); |
| duke@435 | 80 | #endif |
| duke@435 | 81 | }; |
