Mercurial > hg > graal-compiler
annotate src/share/vm/oops/typeArrayKlass.hpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
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| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 0fbdb4381b99 |
| children | f95d63e2154a |
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| 0 | 1 /* |
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2 * Copyright (c) 1997, 2009, 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 | |
| 25 // A typeArrayKlass is the klass of a typeArray | |
| 26 // It contains the type and size of the elements | |
| 27 | |
| 28 class typeArrayKlass : public arrayKlass { | |
| 29 friend class VMStructs; | |
| 30 private: | |
| 31 jint _max_length; // maximum number of elements allowed in an array | |
| 32 public: | |
| 33 // instance variables | |
| 34 jint max_length() { return _max_length; } | |
| 35 void set_max_length(jint m) { _max_length = m; } | |
| 36 | |
| 37 // testers | |
| 38 bool oop_is_typeArray_slow() const { return true; } | |
| 39 | |
| 40 // klass allocation | |
| 41 DEFINE_ALLOCATE_PERMANENT(typeArrayKlass); | |
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42 static klassOop create_klass(BasicType type, int scale, const char* name_str, |
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43 TRAPS); |
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44 static inline klassOop create_klass(BasicType type, int scale, TRAPS) { |
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45 return create_klass(type, scale, external_name(type), CHECK_NULL); |
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46 } |
| 0 | 47 |
| 48 int oop_size(oop obj) const; | |
| 49 int klass_oop_size() const { return object_size(); } | |
| 50 | |
| 51 bool compute_is_subtype_of(klassOop k); | |
| 52 | |
| 53 // Allocation | |
| 54 typeArrayOop allocate(int length, TRAPS); | |
| 55 typeArrayOop allocate_permanent(int length, TRAPS); // used for class file structures | |
| 56 oop multi_allocate(int rank, jint* sizes, TRAPS); | |
| 57 | |
| 58 // Copying | |
| 59 void copy_array(arrayOop s, int src_pos, arrayOop d, int dst_pos, int length, TRAPS); | |
| 60 | |
| 61 // Iteration | |
| 62 int oop_oop_iterate(oop obj, OopClosure* blk); | |
| 63 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
| 64 | |
| 65 // Garbage collection | |
| 66 void oop_follow_contents(oop obj); | |
| 67 int oop_adjust_pointers(oop obj); | |
| 68 | |
| 69 // Parallel Scavenge and Parallel Old | |
| 70 PARALLEL_GC_DECLS | |
| 71 | |
| 72 protected: | |
| 73 // Find n'th dimensional array | |
| 74 virtual klassOop array_klass_impl(bool or_null, int n, TRAPS); | |
| 75 | |
| 76 // Returns the array class with this class as element type | |
| 77 virtual klassOop array_klass_impl(bool or_null, TRAPS); | |
| 78 | |
| 79 public: | |
| 80 // Casting from klassOop | |
| 81 static typeArrayKlass* cast(klassOop k) { | |
| 82 assert(k->klass_part()->oop_is_typeArray_slow(), "cast to typeArrayKlass"); | |
| 83 return (typeArrayKlass*) k->klass_part(); | |
| 84 } | |
| 85 | |
| 86 // Naming | |
| 87 static const char* external_name(BasicType type); | |
| 88 | |
| 89 // Sizing | |
| 90 static int header_size() { return oopDesc::header_size() + sizeof(typeArrayKlass)/HeapWordSize; } | |
| 91 int object_size() const { return arrayKlass::object_size(header_size()); } | |
| 92 | |
| 93 // Initialization (virtual from Klass) | |
| 94 void initialize(TRAPS); | |
| 95 | |
| 96 private: | |
| 97 // Helpers | |
| 98 static klassOop array_klass_impl(typeArrayKlassHandle h_this, bool or_null, int n, TRAPS); | |
| 99 | |
| 100 #ifndef PRODUCT | |
| 101 public: | |
| 102 // Printing | |
| 103 void oop_print_on(oop obj, outputStream* st); | |
| 104 #endif | |
| 105 public: | |
| 106 const char* internal_name() const; | |
| 107 }; |