author | simonis |
Wed, 27 Feb 2013 09:40:30 +0100 | |
changeset 15855 | 2ac9ebea17f3 |
parent 13952 | e3cf184080bc |
child 22827 | 07d991d45a51 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
2 |
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
1 | 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 |
* |
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
21 |
* questions. |
1 | 22 |
* |
23 |
*/ |
|
24 |
||
7397 | 25 |
#ifndef SHARE_VM_OOPS_TYPEARRAYOOP_HPP |
26 |
#define SHARE_VM_OOPS_TYPEARRAYOOP_HPP |
|
27 |
||
28 |
#include "oops/arrayOop.hpp" |
|
29 |
#include "oops/typeArrayKlass.hpp" |
|
30 |
#ifdef TARGET_OS_ARCH_linux_x86 |
|
31 |
# include "orderAccess_linux_x86.inline.hpp" |
|
32 |
#endif |
|
33 |
#ifdef TARGET_OS_ARCH_linux_sparc |
|
34 |
# include "orderAccess_linux_sparc.inline.hpp" |
|
35 |
#endif |
|
36 |
#ifdef TARGET_OS_ARCH_linux_zero |
|
37 |
# include "orderAccess_linux_zero.inline.hpp" |
|
38 |
#endif |
|
39 |
#ifdef TARGET_OS_ARCH_solaris_x86 |
|
40 |
# include "orderAccess_solaris_x86.inline.hpp" |
|
41 |
#endif |
|
42 |
#ifdef TARGET_OS_ARCH_solaris_sparc |
|
43 |
# include "orderAccess_solaris_sparc.inline.hpp" |
|
44 |
#endif |
|
45 |
#ifdef TARGET_OS_ARCH_windows_x86 |
|
46 |
# include "orderAccess_windows_x86.inline.hpp" |
|
47 |
#endif |
|
8107
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7397
diff
changeset
|
48 |
#ifdef TARGET_OS_ARCH_linux_arm |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7397
diff
changeset
|
49 |
# include "orderAccess_linux_arm.inline.hpp" |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7397
diff
changeset
|
50 |
#endif |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7397
diff
changeset
|
51 |
#ifdef TARGET_OS_ARCH_linux_ppc |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7397
diff
changeset
|
52 |
# include "orderAccess_linux_ppc.inline.hpp" |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7397
diff
changeset
|
53 |
#endif |
10565 | 54 |
#ifdef TARGET_OS_ARCH_bsd_x86 |
55 |
# include "orderAccess_bsd_x86.inline.hpp" |
|
56 |
#endif |
|
57 |
#ifdef TARGET_OS_ARCH_bsd_zero |
|
58 |
# include "orderAccess_bsd_zero.inline.hpp" |
|
59 |
#endif |
|
7397 | 60 |
|
1 | 61 |
// A typeArrayOop is an array containing basic types (non oop elements). |
62 |
// It is used for arrays of {characters, singles, doubles, bytes, shorts, integers, longs} |
|
63 |
#include <limits.h> |
|
64 |
||
65 |
class typeArrayOopDesc : public arrayOopDesc { |
|
66 |
protected: |
|
67 |
jchar* char_base() const { return (jchar*) base(T_CHAR); } |
|
68 |
jboolean* bool_base() const { return (jboolean*)base(T_BOOLEAN); } |
|
69 |
jbyte* byte_base() const { return (jbyte*) base(T_BYTE); } |
|
70 |
jint* int_base() const { return (jint*) base(T_INT); } |
|
71 |
jlong* long_base() const { return (jlong*) base(T_LONG); } |
|
72 |
jshort* short_base() const { return (jshort*) base(T_SHORT); } |
|
73 |
jfloat* float_base() const { return (jfloat*) base(T_FLOAT); } |
|
74 |
jdouble* double_base() const { return (jdouble*) base(T_DOUBLE); } |
|
75 |
||
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13728
diff
changeset
|
76 |
friend class TypeArrayKlass; |
1 | 77 |
|
78 |
public: |
|
79 |
jbyte* byte_at_addr(int which) const { |
|
80 |
assert(is_within_bounds(which), "index out of bounds"); |
|
81 |
return &byte_base()[which]; |
|
82 |
} |
|
83 |
||
84 |
jboolean* bool_at_addr(int which) const { |
|
85 |
assert(is_within_bounds(which), "index out of bounds"); |
|
86 |
return &bool_base()[which]; |
|
87 |
} |
|
88 |
||
89 |
jchar* char_at_addr(int which) const { |
|
90 |
assert(is_within_bounds(which), "index out of bounds"); |
|
91 |
return &char_base()[which]; |
|
92 |
} |
|
93 |
||
94 |
jint* int_at_addr(int which) const { |
|
95 |
assert(is_within_bounds(which), "index out of bounds"); |
|
96 |
return &int_base()[which]; |
|
97 |
} |
|
98 |
||
99 |
jshort* short_at_addr(int which) const { |
|
100 |
assert(is_within_bounds(which), "index out of bounds"); |
|
101 |
return &short_base()[which]; |
|
102 |
} |
|
103 |
||
104 |
jushort* ushort_at_addr(int which) const { // for field descriptor arrays |
|
105 |
assert(is_within_bounds(which), "index out of bounds"); |
|
106 |
return (jushort*) &short_base()[which]; |
|
107 |
} |
|
108 |
||
109 |
jlong* long_at_addr(int which) const { |
|
110 |
assert(is_within_bounds(which), "index out of bounds"); |
|
111 |
return &long_base()[which]; |
|
112 |
} |
|
113 |
||
114 |
jfloat* float_at_addr(int which) const { |
|
115 |
assert(is_within_bounds(which), "index out of bounds"); |
|
116 |
return &float_base()[which]; |
|
117 |
} |
|
118 |
||
119 |
jdouble* double_at_addr(int which) const { |
|
120 |
assert(is_within_bounds(which), "index out of bounds"); |
|
121 |
return &double_base()[which]; |
|
122 |
} |
|
123 |
||
124 |
jbyte byte_at(int which) const { return *byte_at_addr(which); } |
|
125 |
void byte_at_put(int which, jbyte contents) { *byte_at_addr(which) = contents; } |
|
126 |
||
127 |
jboolean bool_at(int which) const { return *bool_at_addr(which); } |
|
128 |
void bool_at_put(int which, jboolean contents) { *bool_at_addr(which) = contents; } |
|
129 |
||
130 |
jchar char_at(int which) const { return *char_at_addr(which); } |
|
131 |
void char_at_put(int which, jchar contents) { *char_at_addr(which) = contents; } |
|
132 |
||
133 |
jint int_at(int which) const { return *int_at_addr(which); } |
|
134 |
void int_at_put(int which, jint contents) { *int_at_addr(which) = contents; } |
|
135 |
||
136 |
jshort short_at(int which) const { return *short_at_addr(which); } |
|
137 |
void short_at_put(int which, jshort contents) { *short_at_addr(which) = contents; } |
|
138 |
||
139 |
jushort ushort_at(int which) const { return *ushort_at_addr(which); } |
|
140 |
void ushort_at_put(int which, jushort contents) { *ushort_at_addr(which) = contents; } |
|
141 |
||
142 |
jlong long_at(int which) const { return *long_at_addr(which); } |
|
143 |
void long_at_put(int which, jlong contents) { *long_at_addr(which) = contents; } |
|
144 |
||
145 |
jfloat float_at(int which) const { return *float_at_addr(which); } |
|
146 |
void float_at_put(int which, jfloat contents) { *float_at_addr(which) = contents; } |
|
147 |
||
148 |
jdouble double_at(int which) const { return *double_at_addr(which); } |
|
149 |
void double_at_put(int which, jdouble contents) { *double_at_addr(which) = contents; } |
|
150 |
||
151 |
jbyte byte_at_acquire(int which) const { return OrderAccess::load_acquire(byte_at_addr(which)); } |
|
152 |
void release_byte_at_put(int which, jbyte contents) { OrderAccess::release_store(byte_at_addr(which), contents); } |
|
153 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
154 |
// Java thinks metadata arrays are just arrays of either long or int, since |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
155 |
// there doesn't seem to be T_ADDRESS, so this is a bit of unfortunate |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
156 |
// casting |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
157 |
#ifdef _LP64 |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
158 |
Metadata* metadata_at(int which) const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
159 |
return (Metadata*)*long_at_addr(which); } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
160 |
void metadata_at_put(int which, Metadata* contents) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
161 |
*long_at_addr(which) = (long)contents; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
162 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
163 |
#else |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
164 |
Metadata* metadata_at(int which) const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
165 |
return (Metadata*)*int_at_addr(which); } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
166 |
void metadata_at_put(int which, Metadata* contents) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
167 |
*int_at_addr(which) = (int)contents; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
168 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
169 |
#endif // _LP64 |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10565
diff
changeset
|
170 |
|
1 | 171 |
// Sizing |
172 |
||
173 |
// Returns the number of words necessary to hold an array of "len" |
|
174 |
// elements each of the given "byte_size". |
|
175 |
private: |
|
176 |
static int object_size(int lh, int length) { |
|
177 |
int instance_header_size = Klass::layout_helper_header_size(lh); |
|
178 |
int element_shift = Klass::layout_helper_log2_element_size(lh); |
|
179 |
DEBUG_ONLY(BasicType etype = Klass::layout_helper_element_type(lh)); |
|
180 |
assert(length <= arrayOopDesc::max_array_length(etype), "no overflow"); |
|
181 |
||
182 |
julong size_in_bytes = length; |
|
183 |
size_in_bytes <<= element_shift; |
|
184 |
size_in_bytes += instance_header_size; |
|
185 |
julong size_in_words = ((size_in_bytes + (HeapWordSize-1)) >> LogHeapWordSize); |
|
186 |
assert(size_in_words <= (julong)max_jint, "no overflow"); |
|
187 |
||
188 |
return align_object_size((intptr_t)size_in_words); |
|
189 |
} |
|
190 |
||
191 |
public: |
|
192 |
int object_size() { |
|
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13728
diff
changeset
|
193 |
TypeArrayKlass* tk = TypeArrayKlass::cast(klass()); |
1 | 194 |
return object_size(tk->layout_helper(), length()); |
195 |
} |
|
196 |
}; |
|
7397 | 197 |
|
198 |
#endif // SHARE_VM_OOPS_TYPEARRAYOOP_HPP |