Wed, 15 Feb 2012 16:29:40 -0800
7142680: default GC affected by jvm path
Summary: Removed old tiered code
Reviewed-by: never, kvn
1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
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"
36 oop fieldDescriptor::loader() const {
37 return instanceKlass::cast(_cp->pool_holder())->class_loader();
38 }
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 return typeArrayOop(md->obj_at(index()));
46 }
48 constantTag fieldDescriptor::initial_value_tag() const {
49 return constants()->tag_at(initial_value_index());
50 }
52 jint fieldDescriptor::int_initial_value() const {
53 return constants()->int_at(initial_value_index());
54 }
56 jlong fieldDescriptor::long_initial_value() const {
57 return constants()->long_at(initial_value_index());
58 }
60 jfloat fieldDescriptor::float_initial_value() const {
61 return constants()->float_at(initial_value_index());
62 }
64 jdouble fieldDescriptor::double_initial_value() const {
65 return constants()->double_at(initial_value_index());
66 }
68 oop fieldDescriptor::string_initial_value(TRAPS) const {
69 return constants()->string_at(initial_value_index(), CHECK_0);
70 }
72 void fieldDescriptor::initialize(klassOop k, int index) {
73 instanceKlass* ik = instanceKlass::cast(k);
74 _cp = ik->constants();
75 FieldInfo* f = ik->field(index);
76 assert(!f->is_internal(), "regular Java fields only");
78 _access_flags = accessFlags_from(f->access_flags());
79 guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor");
80 _index = index;
81 }
83 #ifndef PRODUCT
85 void fieldDescriptor::print_on(outputStream* st) const {
86 access_flags().print_on(st);
87 name()->print_value_on(st);
88 st->print(" ");
89 signature()->print_value_on(st);
90 st->print(" @%d ", offset());
91 if (WizardMode && has_initial_value()) {
92 st->print("(initval ");
93 constantTag t = initial_value_tag();
94 if (t.is_int()) {
95 st->print("int %d)", int_initial_value());
96 } else if (t.is_long()){
97 st->print_jlong(long_initial_value());
98 } else if (t.is_float()){
99 st->print("float %f)", float_initial_value());
100 } else if (t.is_double()){
101 st->print("double %lf)", double_initial_value());
102 }
103 }
104 }
106 void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
107 print_on(st);
108 BasicType ft = field_type();
109 jint as_int = 0;
110 switch (ft) {
111 case T_BYTE:
112 as_int = (jint)obj->byte_field(offset());
113 st->print(" %d", obj->byte_field(offset()));
114 break;
115 case T_CHAR:
116 as_int = (jint)obj->char_field(offset());
117 {
118 jchar c = obj->char_field(offset());
119 as_int = c;
120 st->print(" %c %d", isprint(c) ? c : ' ', c);
121 }
122 break;
123 case T_DOUBLE:
124 st->print(" %lf", obj->double_field(offset()));
125 break;
126 case T_FLOAT:
127 as_int = obj->int_field(offset());
128 st->print(" %f", obj->float_field(offset()));
129 break;
130 case T_INT:
131 as_int = obj->int_field(offset());
132 st->print(" %d", obj->int_field(offset()));
133 break;
134 case T_LONG:
135 st->print(" ");
136 st->print_jlong(obj->long_field(offset()));
137 break;
138 case T_SHORT:
139 as_int = obj->short_field(offset());
140 st->print(" %d", obj->short_field(offset()));
141 break;
142 case T_BOOLEAN:
143 as_int = obj->bool_field(offset());
144 st->print(" %s", obj->bool_field(offset()) ? "true" : "false");
145 break;
146 case T_ARRAY:
147 st->print(" ");
148 NOT_LP64(as_int = obj->int_field(offset()));
149 obj->obj_field(offset())->print_value_on(st);
150 break;
151 case T_OBJECT:
152 st->print(" ");
153 NOT_LP64(as_int = obj->int_field(offset()));
154 obj->obj_field(offset())->print_value_on(st);
155 break;
156 default:
157 ShouldNotReachHere();
158 break;
159 }
160 // Print a hint as to the underlying integer representation. This can be wrong for
161 // pointers on an LP64 machine
162 if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) {
163 st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint)));
164 } else if (as_int < 0 || as_int > 9) {
165 st->print(" (%x)", as_int);
166 }
167 }
169 #endif /* PRODUCT */