Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/fieldDescriptor.cpp @ 11065:cedf20e2a655
Merge
author | coleenp |
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date | Tue, 02 Jul 2013 16:54:24 +0200 |
parents | 927a311d00f9 |
children | 0f7ca53be929 b2e698d2276c |
rev | line source |
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0 | 1 /* |
8031 | 2 * Copyright (c) 1997, 2013, 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 #include "precompiled.hpp" |
26 #include "classfile/systemDictionary.hpp" | |
27 #include "classfile/vmSymbols.hpp" | |
28 #include "memory/resourceArea.hpp" | |
29 #include "memory/universe.inline.hpp" | |
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30 #include "oops/annotations.hpp" |
1972 | 31 #include "oops/instanceKlass.hpp" |
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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 { | |
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39 return _cp->pool_holder()->class_loader(); |
0 | 40 } |
41 | |
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42 Symbol* fieldDescriptor::generic_signature() const { |
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43 if (!has_generic_signature()) { |
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44 return NULL; |
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45 } |
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46 |
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47 int idx = 0; |
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48 InstanceKlass* ik = field_holder(); |
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49 for (AllFieldStream fs(ik); !fs.done(); fs.next()) { |
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50 if (idx == _index) { |
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51 return fs.generic_signature(); |
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52 } else { |
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53 idx ++; |
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54 } |
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55 } |
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56 assert(false, "should never happen"); |
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57 return NULL; |
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58 } |
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59 |
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60 AnnotationArray* fieldDescriptor::annotations() const { |
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61 InstanceKlass* ik = field_holder(); |
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62 Array<AnnotationArray*>* md = ik->fields_annotations(); |
0 | 63 if (md == NULL) |
64 return NULL; | |
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65 return md->at(index()); |
0 | 66 } |
67 | |
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68 AnnotationArray* fieldDescriptor::type_annotations() const { |
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69 InstanceKlass* ik = field_holder(); |
8031 | 70 Array<AnnotationArray*>* type_annos = ik->fields_type_annotations(); |
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71 if (type_annos == NULL) |
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72 return NULL; |
8031 | 73 return type_annos->at(index()); |
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74 } |
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75 |
0 | 76 constantTag fieldDescriptor::initial_value_tag() const { |
3938 | 77 return constants()->tag_at(initial_value_index()); |
0 | 78 } |
79 | |
80 jint fieldDescriptor::int_initial_value() const { | |
3938 | 81 return constants()->int_at(initial_value_index()); |
0 | 82 } |
83 | |
84 jlong fieldDescriptor::long_initial_value() const { | |
3938 | 85 return constants()->long_at(initial_value_index()); |
0 | 86 } |
87 | |
88 jfloat fieldDescriptor::float_initial_value() const { | |
3938 | 89 return constants()->float_at(initial_value_index()); |
0 | 90 } |
91 | |
92 jdouble fieldDescriptor::double_initial_value() const { | |
3938 | 93 return constants()->double_at(initial_value_index()); |
0 | 94 } |
95 | |
96 oop fieldDescriptor::string_initial_value(TRAPS) const { | |
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97 return constants()->uncached_string_at(initial_value_index(), CHECK_0); |
0 | 98 } |
99 | |
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100 void fieldDescriptor::initialize(InstanceKlass* ik, int index) { |
0 | 101 _cp = ik->constants(); |
3938 | 102 FieldInfo* f = ik->field(index); |
103 assert(!f->is_internal(), "regular Java fields only"); | |
0 | 104 |
3938 | 105 _access_flags = accessFlags_from(f->access_flags()); |
106 guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor"); | |
0 | 107 _index = index; |
108 } | |
109 | |
110 #ifndef PRODUCT | |
111 | |
112 void fieldDescriptor::print_on(outputStream* st) const { | |
3938 | 113 access_flags().print_on(st); |
114 name()->print_value_on(st); | |
0 | 115 st->print(" "); |
3938 | 116 signature()->print_value_on(st); |
0 | 117 st->print(" @%d ", offset()); |
118 if (WizardMode && has_initial_value()) { | |
119 st->print("(initval "); | |
120 constantTag t = initial_value_tag(); | |
121 if (t.is_int()) { | |
122 st->print("int %d)", int_initial_value()); | |
123 } else if (t.is_long()){ | |
124 st->print_jlong(long_initial_value()); | |
125 } else if (t.is_float()){ | |
126 st->print("float %f)", float_initial_value()); | |
127 } else if (t.is_double()){ | |
128 st->print("double %lf)", double_initial_value()); | |
129 } | |
130 } | |
131 } | |
132 | |
133 void fieldDescriptor::print_on_for(outputStream* st, oop obj) { | |
134 print_on(st); | |
135 BasicType ft = field_type(); | |
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136 jint as_int = 0; |
0 | 137 switch (ft) { |
138 case T_BYTE: | |
139 as_int = (jint)obj->byte_field(offset()); | |
140 st->print(" %d", obj->byte_field(offset())); | |
141 break; | |
142 case T_CHAR: | |
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143 as_int = (jint)obj->char_field(offset()); |
0 | 144 { |
145 jchar c = obj->char_field(offset()); | |
146 as_int = c; | |
147 st->print(" %c %d", isprint(c) ? c : ' ', c); | |
148 } | |
149 break; | |
150 case T_DOUBLE: | |
151 st->print(" %lf", obj->double_field(offset())); | |
152 break; | |
153 case T_FLOAT: | |
154 as_int = obj->int_field(offset()); | |
155 st->print(" %f", obj->float_field(offset())); | |
156 break; | |
157 case T_INT: | |
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158 as_int = obj->int_field(offset()); |
0 | 159 st->print(" %d", obj->int_field(offset())); |
160 break; | |
161 case T_LONG: | |
162 st->print(" "); | |
163 st->print_jlong(obj->long_field(offset())); | |
164 break; | |
165 case T_SHORT: | |
166 as_int = obj->short_field(offset()); | |
167 st->print(" %d", obj->short_field(offset())); | |
168 break; | |
169 case T_BOOLEAN: | |
170 as_int = obj->bool_field(offset()); | |
171 st->print(" %s", obj->bool_field(offset()) ? "true" : "false"); | |
172 break; | |
173 case T_ARRAY: | |
174 st->print(" "); | |
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175 NOT_LP64(as_int = obj->int_field(offset())); |
0 | 176 obj->obj_field(offset())->print_value_on(st); |
177 break; | |
178 case T_OBJECT: | |
179 st->print(" "); | |
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180 NOT_LP64(as_int = obj->int_field(offset())); |
0 | 181 obj->obj_field(offset())->print_value_on(st); |
182 break; | |
183 default: | |
184 ShouldNotReachHere(); | |
185 break; | |
186 } | |
187 // Print a hint as to the underlying integer representation. This can be wrong for | |
188 // pointers on an LP64 machine | |
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189 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) { |
0 | 190 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint))); |
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191 } else if (as_int < 0 || as_int > 9) { |
0 | 192 st->print(" (%x)", as_int); |
193 } | |
194 } | |
195 | |
196 #endif /* PRODUCT */ |