Mercurial > hg > graal-jvmci-8
annotate src/share/vm/oops/symbolKlass.hpp @ 2044:06f017f7daa7
Merge.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Fri, 07 Jan 2011 18:18:08 +0100 |
parents | f95d63e2154a |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OOPS_SYMBOLKLASS_HPP |
26 #define SHARE_VM_OOPS_SYMBOLKLASS_HPP | |
27 | |
28 #include "oops/typeArrayKlass.hpp" | |
29 | |
0 | 30 // a symbolKlass is the klass for a symbolOop |
31 | |
32 class symbolKlass : public Klass { | |
33 friend class VMStructs; | |
34 private: | |
35 juint _alloc_size; // allocation profiling support | |
36 public: | |
37 // Allocation | |
38 DEFINE_ALLOCATE_PERMANENT(symbolKlass); | |
39 static klassOop create_klass(TRAPS); | |
40 symbolOop allocate_symbol(u1* name, int len, TRAPS); // Assumes no characters larger than 0x7F | |
41 bool allocate_symbols(int names_count, const char** names, int* lengths, symbolOop* sym_oops, TRAPS); | |
42 | |
43 // Test operation | |
44 bool oop_is_symbol() const { return true; } | |
45 | |
46 // Casting from klassOop | |
47 static symbolKlass* cast(klassOop k) { | |
48 assert(k->klass_part()->oop_is_symbol(), "cast to symbolKlass"); | |
49 return (symbolKlass*) k->klass_part(); | |
50 } | |
51 | |
52 static int header_size() { return oopDesc::header_size() + sizeof(symbolKlass)/HeapWordSize; } | |
53 int oop_size(oop obj) const; | |
54 int klass_oop_size() const { return object_size(); } | |
55 int object_size() const { return align_object_size(header_size()); } | |
56 | |
57 // Garbage collection | |
58 void oop_follow_contents(oop obj); | |
59 int oop_adjust_pointers(oop obj); | |
60 bool oop_is_parsable(oop obj) const; | |
61 | |
62 // Parallel Scavenge and Parallel Old | |
63 PARALLEL_GC_DECLS | |
64 | |
65 // Allocation profiling support | |
66 juint alloc_size() const { return _alloc_size; } | |
67 void set_alloc_size(juint n) { _alloc_size = n; } | |
68 | |
69 // Iterators | |
70 int oop_oop_iterate(oop obj, OopClosure* blk); | |
71 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
72 | |
73 // Printing | |
74 void oop_print_value_on(oop obj, outputStream* st); | |
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75 #ifndef PRODUCT |
0 | 76 void oop_print_on(oop obj, outputStream* st); |
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77 #endif //PRODUCT |
0 | 78 const char* internal_name() const; |
79 }; | |
1972 | 80 |
81 #endif // SHARE_VM_OOPS_SYMBOLKLASS_HPP |