Mercurial > hg > truffle
annotate src/share/vm/runtime/fieldDescriptor.cpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | e6b1331a51d2 |
| rev | line source |
|---|---|
| 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 #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 "oops/instanceKlass.hpp" | |
| 31 #include "runtime/fieldDescriptor.hpp" | |
| 32 #include "runtime/handles.inline.hpp" | |
| 33 #include "runtime/signature.hpp" | |
| 0 | 34 |
| 35 | |
| 36 oop fieldDescriptor::loader() const { | |
| 37 return instanceKlass::cast(_cp->pool_holder())->class_loader(); | |
| 38 } | |
| 39 | |
| 40 typeArrayOop fieldDescriptor::annotations() const { | |
| 41 instanceKlass* ik = instanceKlass::cast(field_holder()); | |
| 42 objArrayOop md = ik->fields_annotations(); | |
| 43 if (md == NULL) | |
| 44 return NULL; | |
| 45 assert((index() % instanceKlass::next_offset) == 0, ""); | |
| 46 return typeArrayOop(md->obj_at(index() / instanceKlass::next_offset)); | |
| 47 } | |
| 48 | |
| 49 constantTag fieldDescriptor::initial_value_tag() const { | |
| 50 return constants()->tag_at(_initial_value_index); | |
| 51 } | |
| 52 | |
| 53 jint fieldDescriptor::int_initial_value() const { | |
| 54 return constants()->int_at(_initial_value_index); | |
| 55 } | |
| 56 | |
| 57 jlong fieldDescriptor::long_initial_value() const { | |
| 58 return constants()->long_at(_initial_value_index); | |
| 59 } | |
| 60 | |
| 61 jfloat fieldDescriptor::float_initial_value() const { | |
| 62 return constants()->float_at(_initial_value_index); | |
| 63 } | |
| 64 | |
| 65 jdouble fieldDescriptor::double_initial_value() const { | |
| 66 return constants()->double_at(_initial_value_index); | |
| 67 } | |
| 68 | |
| 69 oop fieldDescriptor::string_initial_value(TRAPS) const { | |
| 70 return constants()->string_at(_initial_value_index, CHECK_0); | |
| 71 } | |
| 72 | |
| 73 void fieldDescriptor::initialize(klassOop k, int index) { | |
| 74 instanceKlass* ik = instanceKlass::cast(k); | |
| 75 _cp = ik->constants(); | |
| 76 typeArrayOop fields = ik->fields(); | |
| 77 | |
| 78 assert(fields->length() % instanceKlass::next_offset == 0, "Illegal size of field array"); | |
| 79 assert(fields->length() >= index + instanceKlass::next_offset, "Illegal size of field array"); | |
| 80 | |
| 81 _access_flags.set_field_flags(fields->ushort_at(index + instanceKlass::access_flags_offset)); | |
| 82 _name_index = fields->ushort_at(index + instanceKlass::name_index_offset); | |
| 83 _signature_index = fields->ushort_at(index + instanceKlass::signature_index_offset); | |
| 84 _initial_value_index = fields->ushort_at(index + instanceKlass::initval_index_offset); | |
| 85 guarantee(_name_index != 0 && _signature_index != 0, "bad constant pool index for fieldDescriptor"); | |
| 86 _offset = ik->offset_from_fields( index ); | |
| 87 _generic_signature_index = fields->ushort_at(index + instanceKlass::generic_signature_offset); | |
| 88 _index = index; | |
| 89 } | |
| 90 | |
| 91 #ifndef PRODUCT | |
| 92 | |
| 93 void fieldDescriptor::print_on(outputStream* st) const { | |
| 94 _access_flags.print_on(st); | |
| 95 constants()->symbol_at(_name_index)->print_value_on(st); | |
| 96 st->print(" "); | |
| 97 constants()->symbol_at(_signature_index)->print_value_on(st); | |
| 98 st->print(" @%d ", offset()); | |
| 99 if (WizardMode && has_initial_value()) { | |
| 100 st->print("(initval "); | |
| 101 constantTag t = initial_value_tag(); | |
| 102 if (t.is_int()) { | |
| 103 st->print("int %d)", int_initial_value()); | |
| 104 } else if (t.is_long()){ | |
| 105 st->print_jlong(long_initial_value()); | |
| 106 } else if (t.is_float()){ | |
| 107 st->print("float %f)", float_initial_value()); | |
| 108 } else if (t.is_double()){ | |
| 109 st->print("double %lf)", double_initial_value()); | |
| 110 } | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 void fieldDescriptor::print_on_for(outputStream* st, oop obj) { | |
| 115 print_on(st); | |
| 116 BasicType ft = field_type(); | |
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117 jint as_int = 0; |
| 0 | 118 switch (ft) { |
| 119 case T_BYTE: | |
| 120 as_int = (jint)obj->byte_field(offset()); | |
| 121 st->print(" %d", obj->byte_field(offset())); | |
| 122 break; | |
| 123 case T_CHAR: | |
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124 as_int = (jint)obj->char_field(offset()); |
| 0 | 125 { |
| 126 jchar c = obj->char_field(offset()); | |
| 127 as_int = c; | |
| 128 st->print(" %c %d", isprint(c) ? c : ' ', c); | |
| 129 } | |
| 130 break; | |
| 131 case T_DOUBLE: | |
| 132 st->print(" %lf", obj->double_field(offset())); | |
| 133 break; | |
| 134 case T_FLOAT: | |
| 135 as_int = obj->int_field(offset()); | |
| 136 st->print(" %f", obj->float_field(offset())); | |
| 137 break; | |
| 138 case T_INT: | |
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139 as_int = obj->int_field(offset()); |
| 0 | 140 st->print(" %d", obj->int_field(offset())); |
| 141 break; | |
| 142 case T_LONG: | |
| 143 st->print(" "); | |
| 144 st->print_jlong(obj->long_field(offset())); | |
| 145 break; | |
| 146 case T_SHORT: | |
| 147 as_int = obj->short_field(offset()); | |
| 148 st->print(" %d", obj->short_field(offset())); | |
| 149 break; | |
| 150 case T_BOOLEAN: | |
| 151 as_int = obj->bool_field(offset()); | |
| 152 st->print(" %s", obj->bool_field(offset()) ? "true" : "false"); | |
| 153 break; | |
| 154 case T_ARRAY: | |
| 155 st->print(" "); | |
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156 NOT_LP64(as_int = obj->int_field(offset())); |
| 0 | 157 obj->obj_field(offset())->print_value_on(st); |
| 158 break; | |
| 159 case T_OBJECT: | |
| 160 st->print(" "); | |
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161 NOT_LP64(as_int = obj->int_field(offset())); |
| 0 | 162 obj->obj_field(offset())->print_value_on(st); |
| 163 break; | |
| 164 default: | |
| 165 ShouldNotReachHere(); | |
| 166 break; | |
| 167 } | |
| 168 // Print a hint as to the underlying integer representation. This can be wrong for | |
| 169 // pointers on an LP64 machine | |
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170 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) { |
| 0 | 171 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint))); |
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172 } else if (as_int < 0 || as_int > 9) { |
| 0 | 173 st->print(" (%x)", as_int); |
| 174 } | |
| 175 } | |
| 176 | |
| 177 #endif /* PRODUCT */ |