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annotate src/share/vm/oops/typeArrayKlass.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | a92cdbac8b9e |
| rev | line source |
|---|---|
| 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_TYPEARRAYKLASS_HPP |
| 26 #define SHARE_VM_OOPS_TYPEARRAYKLASS_HPP | |
| 27 | |
| 28 #include "oops/arrayKlass.hpp" | |
| 29 | |
| 0 | 30 // A typeArrayKlass is the klass of a typeArray |
| 31 // It contains the type and size of the elements | |
| 32 | |
| 33 class typeArrayKlass : public arrayKlass { | |
| 34 friend class VMStructs; | |
| 35 private: | |
| 36 jint _max_length; // maximum number of elements allowed in an array | |
| 37 public: | |
| 38 // instance variables | |
| 39 jint max_length() { return _max_length; } | |
| 40 void set_max_length(jint m) { _max_length = m; } | |
| 41 | |
| 42 // testers | |
| 43 bool oop_is_typeArray_slow() const { return true; } | |
| 44 | |
| 45 // klass allocation | |
| 46 DEFINE_ALLOCATE_PERMANENT(typeArrayKlass); | |
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47 static klassOop create_klass(BasicType type, int scale, const char* name_str, |
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48 TRAPS); |
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49 static inline klassOop create_klass(BasicType type, int scale, TRAPS) { |
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50 return create_klass(type, scale, external_name(type), CHECK_NULL); |
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51 } |
| 0 | 52 |
| 53 int oop_size(oop obj) const; | |
| 54 int klass_oop_size() const { return object_size(); } | |
| 55 | |
| 56 bool compute_is_subtype_of(klassOop k); | |
| 57 | |
| 58 // Allocation | |
| 59 typeArrayOop allocate(int length, TRAPS); | |
| 60 typeArrayOop allocate_permanent(int length, TRAPS); // used for class file structures | |
| 61 oop multi_allocate(int rank, jint* sizes, TRAPS); | |
| 62 | |
| 63 // Copying | |
| 64 void copy_array(arrayOop s, int src_pos, arrayOop d, int dst_pos, int length, TRAPS); | |
| 65 | |
| 66 // Iteration | |
| 67 int oop_oop_iterate(oop obj, OopClosure* blk); | |
| 68 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
| 69 | |
| 70 // Garbage collection | |
| 71 void oop_follow_contents(oop obj); | |
| 72 int oop_adjust_pointers(oop obj); | |
| 73 | |
| 74 // Parallel Scavenge and Parallel Old | |
| 75 PARALLEL_GC_DECLS | |
| 76 | |
| 77 protected: | |
| 78 // Find n'th dimensional array | |
| 79 virtual klassOop array_klass_impl(bool or_null, int n, TRAPS); | |
| 80 | |
| 81 // Returns the array class with this class as element type | |
| 82 virtual klassOop array_klass_impl(bool or_null, TRAPS); | |
| 83 | |
| 84 public: | |
| 85 // Casting from klassOop | |
| 86 static typeArrayKlass* cast(klassOop k) { | |
| 87 assert(k->klass_part()->oop_is_typeArray_slow(), "cast to typeArrayKlass"); | |
| 88 return (typeArrayKlass*) k->klass_part(); | |
| 89 } | |
| 90 | |
| 91 // Naming | |
| 92 static const char* external_name(BasicType type); | |
| 93 | |
| 94 // Sizing | |
| 95 static int header_size() { return oopDesc::header_size() + sizeof(typeArrayKlass)/HeapWordSize; } | |
| 96 int object_size() const { return arrayKlass::object_size(header_size()); } | |
| 97 | |
| 98 // Initialization (virtual from Klass) | |
| 99 void initialize(TRAPS); | |
| 100 | |
| 101 private: | |
| 102 // Helpers | |
| 103 static klassOop array_klass_impl(typeArrayKlassHandle h_this, bool or_null, int n, TRAPS); | |
| 104 | |
| 105 #ifndef PRODUCT | |
| 106 public: | |
| 107 // Printing | |
| 108 void oop_print_on(oop obj, outputStream* st); | |
| 109 #endif | |
| 110 public: | |
| 111 const char* internal_name() const; | |
| 112 }; | |
| 1972 | 113 |
| 114 #endif // SHARE_VM_OOPS_TYPEARRAYKLASS_HPP |