Mercurial > hg > truffle
annotate src/share/vm/runtime/fieldDescriptor.cpp @ 9934:0f7ca53be929
CR-806: Changes to build Graal for SPARC
| author | Morris Meyer <morris.meyer@oracle.com> |
|---|---|
| date | Fri, 07 Jun 2013 15:43:00 -0400 |
| parents | 927a311d00f9 |
| children | cefad50507d8 |
| 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" | |
| 30 #include "runtime/fieldDescriptor.hpp" | |
| 31 #include "runtime/handles.inline.hpp" | |
| 32 #include "runtime/signature.hpp" | |
| 0 | 33 |
| 34 | |
| 35 oop fieldDescriptor::loader() const { | |
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36 return _cp->pool_holder()->class_loader(); |
| 0 | 37 } |
| 38 | |
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39 Symbol* fieldDescriptor::generic_signature() const { |
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40 if (!has_generic_signature()) { |
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41 return NULL; |
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42 } |
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43 |
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44 int idx = 0; |
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45 InstanceKlass* ik = field_holder(); |
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46 for (AllFieldStream fs(ik); !fs.done(); fs.next()) { |
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47 if (idx == _index) { |
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48 return fs.generic_signature(); |
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49 } else { |
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50 idx ++; |
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51 } |
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52 } |
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53 assert(false, "should never happen"); |
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54 return NULL; |
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55 } |
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56 |
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57 AnnotationArray* fieldDescriptor::annotations() const { |
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58 InstanceKlass* ik = field_holder(); |
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59 Array<AnnotationArray*>* md = ik->fields_annotations(); |
| 0 | 60 if (md == NULL) |
| 61 return NULL; | |
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62 return md->at(index()); |
| 0 | 63 } |
| 64 | |
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65 AnnotationArray* fieldDescriptor::type_annotations() const { |
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66 InstanceKlass* ik = field_holder(); |
| 8031 | 67 Array<AnnotationArray*>* type_annos = ik->fields_type_annotations(); |
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68 if (type_annos == NULL) |
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69 return NULL; |
| 8031 | 70 return type_annos->at(index()); |
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71 } |
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72 |
| 0 | 73 constantTag fieldDescriptor::initial_value_tag() const { |
| 3938 | 74 return constants()->tag_at(initial_value_index()); |
| 0 | 75 } |
| 76 | |
| 77 jint fieldDescriptor::int_initial_value() const { | |
| 3938 | 78 return constants()->int_at(initial_value_index()); |
| 0 | 79 } |
| 80 | |
| 81 jlong fieldDescriptor::long_initial_value() const { | |
| 3938 | 82 return constants()->long_at(initial_value_index()); |
| 0 | 83 } |
| 84 | |
| 85 jfloat fieldDescriptor::float_initial_value() const { | |
| 3938 | 86 return constants()->float_at(initial_value_index()); |
| 0 | 87 } |
| 88 | |
| 89 jdouble fieldDescriptor::double_initial_value() const { | |
| 3938 | 90 return constants()->double_at(initial_value_index()); |
| 0 | 91 } |
| 92 | |
| 93 oop fieldDescriptor::string_initial_value(TRAPS) const { | |
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94 return constants()->uncached_string_at(initial_value_index(), CHECK_0); |
| 0 | 95 } |
| 96 | |
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97 void fieldDescriptor::initialize(InstanceKlass* ik, int index) { |
| 0 | 98 _cp = ik->constants(); |
| 3938 | 99 FieldInfo* f = ik->field(index); |
| 100 assert(!f->is_internal(), "regular Java fields only"); | |
| 0 | 101 |
| 3938 | 102 _access_flags = accessFlags_from(f->access_flags()); |
| 103 guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor"); | |
| 0 | 104 _index = index; |
| 105 } | |
| 106 | |
| 107 #ifndef PRODUCT | |
| 108 | |
| 109 void fieldDescriptor::print_on(outputStream* st) const { | |
| 3938 | 110 access_flags().print_on(st); |
| 111 name()->print_value_on(st); | |
| 0 | 112 st->print(" "); |
| 3938 | 113 signature()->print_value_on(st); |
| 0 | 114 st->print(" @%d ", offset()); |
| 115 if (WizardMode && has_initial_value()) { | |
| 116 st->print("(initval "); | |
| 117 constantTag t = initial_value_tag(); | |
| 118 if (t.is_int()) { | |
| 119 st->print("int %d)", int_initial_value()); | |
| 120 } else if (t.is_long()){ | |
| 121 st->print_jlong(long_initial_value()); | |
| 122 } else if (t.is_float()){ | |
| 123 st->print("float %f)", float_initial_value()); | |
| 124 } else if (t.is_double()){ | |
| 125 st->print("double %lf)", double_initial_value()); | |
| 126 } | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 void fieldDescriptor::print_on_for(outputStream* st, oop obj) { | |
| 131 print_on(st); | |
| 132 BasicType ft = field_type(); | |
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133 jint as_int = 0; |
| 0 | 134 switch (ft) { |
| 135 case T_BYTE: | |
| 136 as_int = (jint)obj->byte_field(offset()); | |
| 137 st->print(" %d", obj->byte_field(offset())); | |
| 138 break; | |
| 139 case T_CHAR: | |
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140 as_int = (jint)obj->char_field(offset()); |
| 0 | 141 { |
| 142 jchar c = obj->char_field(offset()); | |
| 143 as_int = c; | |
| 144 st->print(" %c %d", isprint(c) ? c : ' ', c); | |
| 145 } | |
| 146 break; | |
| 147 case T_DOUBLE: | |
| 148 st->print(" %lf", obj->double_field(offset())); | |
| 149 break; | |
| 150 case T_FLOAT: | |
| 151 as_int = obj->int_field(offset()); | |
| 152 st->print(" %f", obj->float_field(offset())); | |
| 153 break; | |
| 154 case T_INT: | |
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155 as_int = obj->int_field(offset()); |
| 0 | 156 st->print(" %d", obj->int_field(offset())); |
| 157 break; | |
| 158 case T_LONG: | |
| 159 st->print(" "); | |
| 160 st->print_jlong(obj->long_field(offset())); | |
| 161 break; | |
| 162 case T_SHORT: | |
| 163 as_int = obj->short_field(offset()); | |
| 164 st->print(" %d", obj->short_field(offset())); | |
| 165 break; | |
| 166 case T_BOOLEAN: | |
| 167 as_int = obj->bool_field(offset()); | |
| 168 st->print(" %s", obj->bool_field(offset()) ? "true" : "false"); | |
| 169 break; | |
| 170 case T_ARRAY: | |
| 171 st->print(" "); | |
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172 NOT_LP64(as_int = obj->int_field(offset())); |
| 0 | 173 obj->obj_field(offset())->print_value_on(st); |
| 174 break; | |
| 175 case T_OBJECT: | |
| 176 st->print(" "); | |
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177 NOT_LP64(as_int = obj->int_field(offset())); |
| 0 | 178 obj->obj_field(offset())->print_value_on(st); |
| 179 break; | |
| 180 default: | |
| 181 ShouldNotReachHere(); | |
| 182 break; | |
| 183 } | |
| 184 // Print a hint as to the underlying integer representation. This can be wrong for | |
| 185 // pointers on an LP64 machine | |
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186 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) { |
| 0 | 187 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint))); |
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188 } else if (as_int < 0 || as_int > 9) { |
| 0 | 189 st->print(" (%x)", as_int); |
| 190 } | |
| 191 } | |
| 192 | |
| 193 #endif /* PRODUCT */ |