Mercurial > hg > truffle
annotate src/share/vm/oops/constantPoolKlass.hpp @ 1294:7de45b5044c3
6932270: Allow Java's ELF symtab reader to use separate debuginfo files
Reviewed-by: never
Contributed-by: Andrew Haley <aph@redhat.com>
author | never |
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date | Tue, 09 Mar 2010 11:02:39 -0800 |
parents | 4e6abf09f540 |
children | c18cbe5936b8 |
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0 | 1 /* |
579 | 2 * Copyright 1997-2009 Sun Microsystems, Inc. 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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // A constantPoolKlass is the klass of a constantPoolOop | |
26 | |
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27 class constantPoolKlass : public Klass { |
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28 juint _alloc_size; // allocation profiling support |
0 | 29 public: |
30 // Dispatched klass operations | |
31 bool oop_is_constantPool() const { return true; } | |
32 int oop_size(oop obj) const; | |
33 int klass_oop_size() const { return object_size(); } | |
34 | |
35 // Allocation | |
36 DEFINE_ALLOCATE_PERMANENT(constantPoolKlass); | |
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37 constantPoolOop allocate(int length, bool is_conc_safe, TRAPS); |
0 | 38 static klassOop create_klass(TRAPS); |
39 | |
40 // Casting from klassOop | |
41 static constantPoolKlass* cast(klassOop k) { | |
42 assert(k->klass_part()->oop_is_constantPool(), "cast to constantPoolKlass"); | |
43 return (constantPoolKlass*) k->klass_part(); | |
44 } | |
45 | |
46 // Sizing | |
47 static int header_size() { return oopDesc::header_size() + sizeof(constantPoolKlass)/HeapWordSize; } | |
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48 int object_size() const { return align_object_size(header_size()); } |
0 | 49 |
50 // Garbage collection | |
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51 // Returns true is the object is safe for GC concurrent processing. |
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52 virtual bool oop_is_conc_safe(oop obj) const; |
0 | 53 void oop_follow_contents(oop obj); |
54 int oop_adjust_pointers(oop obj); | |
55 | |
56 // Parallel Scavenge and Parallel Old | |
57 PARALLEL_GC_DECLS | |
58 | |
59 // Iterators | |
60 int oop_oop_iterate(oop obj, OopClosure* blk); | |
61 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
62 | |
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63 // Allocation profiling support |
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64 // no idea why this is pure virtual and not in Klass ??? |
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65 juint alloc_size() const { return _alloc_size; } |
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66 void set_alloc_size(juint n) { _alloc_size = n; } |
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67 |
0 | 68 public: |
69 // Printing | |
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70 void oop_print_value_on(oop obj, outputStream* st); |
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71 #ifndef PRODUCT |
0 | 72 void oop_print_on(oop obj, outputStream* st); |
73 #endif | |
74 | |
75 public: | |
76 // Verification | |
77 const char* internal_name() const; | |
78 void oop_verify_on(oop obj, outputStream* st); | |
79 // tells whether obj is partially constructed (gc during class loading) | |
80 bool oop_partially_loaded(oop obj) const; | |
81 void oop_set_partially_loaded(oop obj); | |
82 #ifndef PRODUCT | |
83 // Compile the world support | |
84 static void preload_and_initialize_all_classes(oop constant_pool, TRAPS); | |
85 #endif | |
86 }; |