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src/share/vm/oops/symbolKlass.hpp@f95d63e2154a (annotated)
src/share/vm/oops/symbolKlass.hpp
Tue, 23 Nov 2010 13:22:55 -0800
- author
- stefank
- date
- Tue, 23 Nov 2010 13:22:55 -0800
- changeset 2314
- f95d63e2154a
- parent 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| 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_SYMBOLKLASS_HPP |
| stefank@2314 | 26 | #define SHARE_VM_OOPS_SYMBOLKLASS_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "oops/typeArrayKlass.hpp" |
| stefank@2314 | 29 | |
| duke@435 | 30 | // a symbolKlass is the klass for a symbolOop |
| duke@435 | 31 | |
| duke@435 | 32 | class symbolKlass : public Klass { |
| duke@435 | 33 | friend class VMStructs; |
| duke@435 | 34 | private: |
| duke@435 | 35 | juint _alloc_size; // allocation profiling support |
| duke@435 | 36 | public: |
| duke@435 | 37 | // Allocation |
| duke@435 | 38 | DEFINE_ALLOCATE_PERMANENT(symbolKlass); |
| duke@435 | 39 | static klassOop create_klass(TRAPS); |
| duke@435 | 40 | symbolOop allocate_symbol(u1* name, int len, TRAPS); // Assumes no characters larger than 0x7F |
| duke@435 | 41 | bool allocate_symbols(int names_count, const char** names, int* lengths, symbolOop* sym_oops, TRAPS); |
| duke@435 | 42 | |
| duke@435 | 43 | // Test operation |
| duke@435 | 44 | bool oop_is_symbol() const { return true; } |
| duke@435 | 45 | |
| duke@435 | 46 | // Casting from klassOop |
| duke@435 | 47 | static symbolKlass* cast(klassOop k) { |
| duke@435 | 48 | assert(k->klass_part()->oop_is_symbol(), "cast to symbolKlass"); |
| duke@435 | 49 | return (symbolKlass*) k->klass_part(); |
| duke@435 | 50 | } |
| duke@435 | 51 | |
| duke@435 | 52 | static int header_size() { return oopDesc::header_size() + sizeof(symbolKlass)/HeapWordSize; } |
| duke@435 | 53 | int oop_size(oop obj) const; |
| duke@435 | 54 | int klass_oop_size() const { return object_size(); } |
| duke@435 | 55 | int object_size() const { return align_object_size(header_size()); } |
| duke@435 | 56 | |
| duke@435 | 57 | // Garbage collection |
| duke@435 | 58 | void oop_follow_contents(oop obj); |
| duke@435 | 59 | int oop_adjust_pointers(oop obj); |
| duke@435 | 60 | bool oop_is_parsable(oop obj) const; |
| duke@435 | 61 | |
| duke@435 | 62 | // Parallel Scavenge and Parallel Old |
| duke@435 | 63 | PARALLEL_GC_DECLS |
| duke@435 | 64 | |
| duke@435 | 65 | // Allocation profiling support |
| duke@435 | 66 | juint alloc_size() const { return _alloc_size; } |
| duke@435 | 67 | void set_alloc_size(juint n) { _alloc_size = n; } |
| 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 | // Printing |
| duke@435 | 74 | void oop_print_value_on(oop obj, outputStream* st); |
| jrose@1590 | 75 | #ifndef PRODUCT |
| duke@435 | 76 | void oop_print_on(oop obj, outputStream* st); |
| jrose@1590 | 77 | #endif //PRODUCT |
| duke@435 | 78 | const char* internal_name() const; |
| duke@435 | 79 | }; |
| stefank@2314 | 80 | |
| stefank@2314 | 81 | #endif // SHARE_VM_OOPS_SYMBOLKLASS_HPP |
