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annotate src/share/vm/oops/objArrayKlass.hpp @ 13892:5e19b2f0e2f2
Increase TruffleGraphMaxNodes.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 06 Feb 2014 17:31:48 +0100 |
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0 | 1 /* |
6008 | 2 * Copyright (c) 1997, 2012, 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_OBJARRAYKLASS_HPP |
26 #define SHARE_VM_OOPS_OBJARRAYKLASS_HPP | |
27 | |
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28 #include "classfile/classLoaderData.hpp" |
1972 | 29 #include "memory/specialized_oop_closures.hpp" |
30 #include "oops/arrayKlass.hpp" | |
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31 #include "utilities/macros.hpp" |
1972 | 32 |
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33 // ObjArrayKlass is the klass for objArrays |
0 | 34 |
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35 class ObjArrayKlass : public ArrayKlass { |
0 | 36 friend class VMStructs; |
37 private: | |
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38 Klass* _element_klass; // The klass of the elements of this array type |
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39 Klass* _bottom_klass; // The one-dimensional type (InstanceKlass or TypeArrayKlass) |
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40 |
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41 // Constructor |
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42 ObjArrayKlass(int n, KlassHandle element_klass, Symbol* name); |
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43 static ObjArrayKlass* allocate(ClassLoaderData* loader_data, int n, KlassHandle klass_handle, Symbol* name, TRAPS); |
0 | 44 public: |
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45 // For dummy objects |
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46 ObjArrayKlass() {} |
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47 |
0 | 48 // Instance variables |
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49 Klass* element_klass() const { return _element_klass; } |
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50 void set_element_klass(Klass* k) { _element_klass = k; } |
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51 Klass** element_klass_addr() { return &_element_klass; } |
0 | 52 |
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53 Klass* bottom_klass() const { return _bottom_klass; } |
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54 void set_bottom_klass(Klass* k) { _bottom_klass = k; } |
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55 Klass** bottom_klass_addr() { return &_bottom_klass; } |
0 | 56 |
57 // Compiler/Interpreter offset | |
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58 static ByteSize element_klass_offset() { return in_ByteSize(offset_of(ObjArrayKlass, _element_klass)); } |
0 | 59 |
60 // Dispatched operation | |
61 bool can_be_primary_super_slow() const; | |
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62 GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots); |
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63 bool compute_is_subtype_of(Klass* k); |
0 | 64 bool oop_is_objArray_slow() const { return true; } |
65 int oop_size(oop obj) const; | |
66 | |
67 // Allocation | |
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68 static Klass* allocate_objArray_klass(ClassLoaderData* loader_data, |
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69 int n, KlassHandle element_klass, TRAPS); |
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70 |
0 | 71 objArrayOop allocate(int length, TRAPS); |
72 oop multi_allocate(int rank, jint* sizes, TRAPS); | |
73 | |
74 // Copying | |
75 void copy_array(arrayOop s, int src_pos, arrayOop d, int dst_pos, int length, TRAPS); | |
76 | |
77 // Compute protection domain | |
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78 oop protection_domain() const { return bottom_klass()->protection_domain(); } |
0 | 79 |
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80 private: |
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81 // Either oop or narrowOop depending on UseCompressedOops. |
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82 // must be called from within ObjArrayKlass.cpp |
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83 template <class T> void do_copy(arrayOop s, T* src, arrayOop d, |
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84 T* dst, int length, TRAPS); |
0 | 85 protected: |
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86 // Returns the ObjArrayKlass for n'th dimension. |
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87 virtual Klass* array_klass_impl(bool or_null, int n, TRAPS); |
0 | 88 |
89 // Returns the array class with this class as element type. | |
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90 virtual Klass* array_klass_impl(bool or_null, TRAPS); |
0 | 91 |
92 public: | |
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93 // Casting from Klass* |
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94 static ObjArrayKlass* cast(Klass* k) { |
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95 assert(k->oop_is_objArray(), "cast to ObjArrayKlass"); |
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96 return (ObjArrayKlass*) k; |
0 | 97 } |
98 | |
99 // Sizing | |
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100 static int header_size() { return sizeof(ObjArrayKlass)/HeapWordSize; } |
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101 int size() const { return ArrayKlass::static_size(header_size()); } |
0 | 102 |
103 // Initialization (virtual from Klass) | |
104 void initialize(TRAPS); | |
105 | |
106 // Garbage collection | |
107 void oop_follow_contents(oop obj); | |
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108 inline void oop_follow_contents(oop obj, int index); |
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109 template <class T> inline void objarray_follow_contents(oop obj, int index); |
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110 |
0 | 111 int oop_adjust_pointers(oop obj); |
112 | |
113 // Parallel Scavenge and Parallel Old | |
114 PARALLEL_GC_DECLS | |
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115 #if INCLUDE_ALL_GCS |
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116 inline void oop_follow_contents(ParCompactionManager* cm, oop obj, int index); |
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117 template <class T> inline void |
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118 objarray_follow_contents(ParCompactionManager* cm, oop obj, int index); |
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119 #endif // INCLUDE_ALL_GCS |
0 | 120 |
121 // Iterators | |
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122 int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) { |
0 | 123 return oop_oop_iterate_v(obj, blk); |
124 } | |
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125 int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) { |
0 | 126 return oop_oop_iterate_v_m(obj, blk, mr); |
127 } | |
128 #define ObjArrayKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \ | |
129 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \ | |
130 int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, \ | |
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131 MemRegion mr); \ |
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132 int oop_oop_iterate_range##nv_suffix(oop obj, OopClosureType* blk, \ |
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133 int start, int end); |
0 | 134 |
135 ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DECL) | |
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136 ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DECL) |
0 | 137 |
138 // JVM support | |
139 jint compute_modifier_flags(TRAPS) const; | |
140 | |
141 public: | |
142 // Printing | |
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143 void print_on(outputStream* st) const; |
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144 void print_value_on(outputStream* st) const; |
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145 |
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146 void oop_print_value_on(oop obj, outputStream* st); |
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147 #ifndef PRODUCT |
0 | 148 void oop_print_on (oop obj, outputStream* st); |
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149 #endif //PRODUCT |
0 | 150 |
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151 const char* internal_name() const; |
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152 |
0 | 153 // Verification |
11034 | 154 void verify_on(outputStream* st, bool check_dictionary); |
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155 |
0 | 156 void oop_verify_on(oop obj, outputStream* st); |
157 }; | |
1972 | 158 |
159 #endif // SHARE_VM_OOPS_OBJARRAYKLASS_HPP |