Mercurial > hg > truffle
annotate src/share/vm/oops/symbolKlass.hpp @ 1644:2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
Reviewed-by: kvn
author | never |
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date | Thu, 08 Jul 2010 14:29:44 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * This code is free software; you can redistribute it and/or modify it | |
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7 * published by the Free Software Foundation. | |
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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 |
c18cbe5936b8
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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 | |
25 // a symbolKlass is the klass for a symbolOop | |
26 | |
27 class symbolKlass : public Klass { | |
28 friend class VMStructs; | |
29 private: | |
30 juint _alloc_size; // allocation profiling support | |
31 public: | |
32 // Allocation | |
33 DEFINE_ALLOCATE_PERMANENT(symbolKlass); | |
34 static klassOop create_klass(TRAPS); | |
35 symbolOop allocate_symbol(u1* name, int len, TRAPS); // Assumes no characters larger than 0x7F | |
36 bool allocate_symbols(int names_count, const char** names, int* lengths, symbolOop* sym_oops, TRAPS); | |
37 | |
38 // Test operation | |
39 bool oop_is_symbol() const { return true; } | |
40 | |
41 // Casting from klassOop | |
42 static symbolKlass* cast(klassOop k) { | |
43 assert(k->klass_part()->oop_is_symbol(), "cast to symbolKlass"); | |
44 return (symbolKlass*) k->klass_part(); | |
45 } | |
46 | |
47 static int header_size() { return oopDesc::header_size() + sizeof(symbolKlass)/HeapWordSize; } | |
48 int oop_size(oop obj) const; | |
49 int klass_oop_size() const { return object_size(); } | |
50 int object_size() const { return align_object_size(header_size()); } | |
51 | |
52 // Garbage collection | |
53 void oop_follow_contents(oop obj); | |
54 int oop_adjust_pointers(oop obj); | |
55 bool oop_is_parsable(oop obj) const; | |
56 | |
57 // Parallel Scavenge and Parallel Old | |
58 PARALLEL_GC_DECLS | |
59 | |
60 // Allocation profiling support | |
61 juint alloc_size() const { return _alloc_size; } | |
62 void set_alloc_size(juint n) { _alloc_size = n; } | |
63 | |
64 // Iterators | |
65 int oop_oop_iterate(oop obj, OopClosure* blk); | |
66 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
67 | |
68 // Printing | |
69 void oop_print_value_on(oop obj, outputStream* st); | |
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6912062: disassembler plugin needs to produce symbolic information in product mode
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70 #ifndef PRODUCT |
0 | 71 void oop_print_on(oop obj, outputStream* st); |
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72 #endif //PRODUCT |
0 | 73 const char* internal_name() const; |
74 }; |