1 /*
2 * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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();
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);
70 #ifndef PRODUCT
71 void oop_print_on(oop obj, outputStream* st);
72 #endif //PRODUCT
73 const char* internal_name() const;
74 };
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1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OOPS_SYMBOLKLASS_HPP
26 #define SHARE_VM_OOPS_SYMBOLKLASS_HPP
27
28 #include "oops/typeArrayKlass.hpp"
29
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();
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);
75 #ifndef PRODUCT
76 void oop_print_on(oop obj, outputStream* st);
77 #endif //PRODUCT
78 const char* internal_name() const;
79 };
80
81 #endif // SHARE_VM_OOPS_SYMBOLKLASS_HPP
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