Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/fieldDescriptor.cpp @ 8504:86b4965f0c9a
-Cleanup code
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
---|---|
date | Wed, 20 Mar 2013 21:39:24 +0100 |
parents | 35431a769282 |
children | 927a311d00f9 |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6176
diff
changeset
|
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
665
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
665
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
665
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/systemDictionary.hpp" | |
27 #include "classfile/vmSymbols.hpp" | |
28 #include "memory/resourceArea.hpp" | |
29 #include "memory/universe.inline.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6176
diff
changeset
|
30 #include "oops/annotations.hpp" |
1972 | 31 #include "oops/instanceKlass.hpp" |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
32 #include "oops/fieldStreams.hpp" |
1972 | 33 #include "runtime/fieldDescriptor.hpp" |
34 #include "runtime/handles.inline.hpp" | |
35 #include "runtime/signature.hpp" | |
0 | 36 |
37 | |
38 oop fieldDescriptor::loader() const { | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6725
diff
changeset
|
39 return _cp->pool_holder()->class_loader(); |
0 | 40 } |
41 | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
42 Symbol* fieldDescriptor::generic_signature() const { |
6176
634b8615a6ba
7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes.
jiangli
parents:
6100
diff
changeset
|
43 if (!has_generic_signature()) { |
634b8615a6ba
7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes.
jiangli
parents:
6100
diff
changeset
|
44 return NULL; |
634b8615a6ba
7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes.
jiangli
parents:
6100
diff
changeset
|
45 } |
634b8615a6ba
7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes.
jiangli
parents:
6100
diff
changeset
|
46 |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
47 int idx = 0; |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6725
diff
changeset
|
48 InstanceKlass* ik = field_holder(); |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
49 for (AllFieldStream fs(ik); !fs.done(); fs.next()) { |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
50 if (idx == _index) { |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
51 return fs.generic_signature(); |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
52 } else { |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
53 idx ++; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
54 } |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
55 } |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
56 assert(false, "should never happen"); |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
57 return NULL; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
58 } |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
3938
diff
changeset
|
59 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6176
diff
changeset
|
60 AnnotationArray* fieldDescriptor::annotations() const { |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6725
diff
changeset
|
61 InstanceKlass* ik = field_holder(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6176
diff
changeset
|
62 Array<AnnotationArray*>* md = ik->fields_annotations(); |
0 | 63 if (md == NULL) |
64 return NULL; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6176
diff
changeset
|
65 return md->at(index()); |
0 | 66 } |
67 | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
68 AnnotationArray* fieldDescriptor::type_annotations() const { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
69 InstanceKlass* ik = field_holder(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
70 Annotations* type_annos = ik->type_annotations(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
71 if (type_annos == NULL) |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
72 return NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
73 Array<AnnotationArray*>* md = type_annos->fields_annotations(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
74 if (md == NULL) |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
75 return NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
76 return md->at(index()); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
77 } |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6940
diff
changeset
|
78 |
0 | 79 constantTag fieldDescriptor::initial_value_tag() const { |
3938 | 80 return constants()->tag_at(initial_value_index()); |
0 | 81 } |
82 | |
83 jint fieldDescriptor::int_initial_value() const { | |
3938 | 84 return constants()->int_at(initial_value_index()); |
0 | 85 } |
86 | |
87 jlong fieldDescriptor::long_initial_value() const { | |
3938 | 88 return constants()->long_at(initial_value_index()); |
0 | 89 } |
90 | |
91 jfloat fieldDescriptor::float_initial_value() const { | |
3938 | 92 return constants()->float_at(initial_value_index()); |
0 | 93 } |
94 | |
95 jdouble fieldDescriptor::double_initial_value() const { | |
3938 | 96 return constants()->double_at(initial_value_index()); |
0 | 97 } |
98 | |
99 oop fieldDescriptor::string_initial_value(TRAPS) const { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6176
diff
changeset
|
100 return constants()->uncached_string_at(initial_value_index(), CHECK_0); |
0 | 101 } |
102 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6176
diff
changeset
|
103 void fieldDescriptor::initialize(InstanceKlass* ik, int index) { |
0 | 104 _cp = ik->constants(); |
3938 | 105 FieldInfo* f = ik->field(index); |
106 assert(!f->is_internal(), "regular Java fields only"); | |
0 | 107 |
3938 | 108 _access_flags = accessFlags_from(f->access_flags()); |
109 guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor"); | |
0 | 110 _index = index; |
111 } | |
112 | |
113 #ifndef PRODUCT | |
114 | |
115 void fieldDescriptor::print_on(outputStream* st) const { | |
3938 | 116 access_flags().print_on(st); |
117 name()->print_value_on(st); | |
0 | 118 st->print(" "); |
3938 | 119 signature()->print_value_on(st); |
0 | 120 st->print(" @%d ", offset()); |
121 if (WizardMode && has_initial_value()) { | |
122 st->print("(initval "); | |
123 constantTag t = initial_value_tag(); | |
124 if (t.is_int()) { | |
125 st->print("int %d)", int_initial_value()); | |
126 } else if (t.is_long()){ | |
127 st->print_jlong(long_initial_value()); | |
128 } else if (t.is_float()){ | |
129 st->print("float %f)", float_initial_value()); | |
130 } else if (t.is_double()){ | |
131 st->print("double %lf)", double_initial_value()); | |
132 } | |
133 } | |
134 } | |
135 | |
136 void fieldDescriptor::print_on_for(outputStream* st, oop obj) { | |
137 print_on(st); | |
138 BasicType ft = field_type(); | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
139 jint as_int = 0; |
0 | 140 switch (ft) { |
141 case T_BYTE: | |
142 as_int = (jint)obj->byte_field(offset()); | |
143 st->print(" %d", obj->byte_field(offset())); | |
144 break; | |
145 case T_CHAR: | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
146 as_int = (jint)obj->char_field(offset()); |
0 | 147 { |
148 jchar c = obj->char_field(offset()); | |
149 as_int = c; | |
150 st->print(" %c %d", isprint(c) ? c : ' ', c); | |
151 } | |
152 break; | |
153 case T_DOUBLE: | |
154 st->print(" %lf", obj->double_field(offset())); | |
155 break; | |
156 case T_FLOAT: | |
157 as_int = obj->int_field(offset()); | |
158 st->print(" %f", obj->float_field(offset())); | |
159 break; | |
160 case T_INT: | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
161 as_int = obj->int_field(offset()); |
0 | 162 st->print(" %d", obj->int_field(offset())); |
163 break; | |
164 case T_LONG: | |
165 st->print(" "); | |
166 st->print_jlong(obj->long_field(offset())); | |
167 break; | |
168 case T_SHORT: | |
169 as_int = obj->short_field(offset()); | |
170 st->print(" %d", obj->short_field(offset())); | |
171 break; | |
172 case T_BOOLEAN: | |
173 as_int = obj->bool_field(offset()); | |
174 st->print(" %s", obj->bool_field(offset()) ? "true" : "false"); | |
175 break; | |
176 case T_ARRAY: | |
177 st->print(" "); | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
178 NOT_LP64(as_int = obj->int_field(offset())); |
0 | 179 obj->obj_field(offset())->print_value_on(st); |
180 break; | |
181 case T_OBJECT: | |
182 st->print(" "); | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
183 NOT_LP64(as_int = obj->int_field(offset())); |
0 | 184 obj->obj_field(offset())->print_value_on(st); |
185 break; | |
186 default: | |
187 ShouldNotReachHere(); | |
188 break; | |
189 } | |
190 // Print a hint as to the underlying integer representation. This can be wrong for | |
191 // pointers on an LP64 machine | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
192 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) { |
0 | 193 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint))); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
194 } else if (as_int < 0 || as_int > 9) { |
0 | 195 st->print(" (%x)", as_int); |
196 } | |
197 } | |
198 | |
199 #endif /* PRODUCT */ |