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annotate src/share/vm/oops/typeArrayKlass.hpp @ 3964:dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
Summary: Enable invocation events for inlinees
Reviewed-by: kvn
author | iveresov |
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date | Thu, 29 Sep 2011 23:09:54 -0700 |
parents | a92cdbac8b9e |
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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); | |
481
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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 | |
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59 typeArrayOop allocate_common(int length, bool do_zero, TRAPS); |
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60 typeArrayOop allocate(int length, TRAPS) { return allocate_common(length, true, THREAD); } |
0 | 61 typeArrayOop allocate_permanent(int length, TRAPS); // used for class file structures |
62 oop multi_allocate(int rank, jint* sizes, TRAPS); | |
63 | |
64 // Copying | |
65 void copy_array(arrayOop s, int src_pos, arrayOop d, int dst_pos, int length, TRAPS); | |
66 | |
67 // Iteration | |
68 int oop_oop_iterate(oop obj, OopClosure* blk); | |
69 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
70 | |
71 // Garbage collection | |
72 void oop_follow_contents(oop obj); | |
73 int oop_adjust_pointers(oop obj); | |
74 | |
75 // Parallel Scavenge and Parallel Old | |
76 PARALLEL_GC_DECLS | |
77 | |
78 protected: | |
79 // Find n'th dimensional array | |
80 virtual klassOop array_klass_impl(bool or_null, int n, TRAPS); | |
81 | |
82 // Returns the array class with this class as element type | |
83 virtual klassOop array_klass_impl(bool or_null, TRAPS); | |
84 | |
85 public: | |
86 // Casting from klassOop | |
87 static typeArrayKlass* cast(klassOop k) { | |
88 assert(k->klass_part()->oop_is_typeArray_slow(), "cast to typeArrayKlass"); | |
89 return (typeArrayKlass*) k->klass_part(); | |
90 } | |
91 | |
92 // Naming | |
93 static const char* external_name(BasicType type); | |
94 | |
95 // Sizing | |
96 static int header_size() { return oopDesc::header_size() + sizeof(typeArrayKlass)/HeapWordSize; } | |
97 int object_size() const { return arrayKlass::object_size(header_size()); } | |
98 | |
99 // Initialization (virtual from Klass) | |
100 void initialize(TRAPS); | |
101 | |
102 private: | |
103 // Helpers | |
104 static klassOop array_klass_impl(typeArrayKlassHandle h_this, bool or_null, int n, TRAPS); | |
105 | |
106 #ifndef PRODUCT | |
107 public: | |
108 // Printing | |
109 void oop_print_on(oop obj, outputStream* st); | |
110 #endif | |
111 public: | |
112 const char* internal_name() const; | |
113 }; | |
1972 | 114 |
115 #endif // SHARE_VM_OOPS_TYPEARRAYKLASS_HPP |