truffle: src/share/vm/runtime/fieldDescriptor.cpp annotate

annotate src/share/vm/runtime/fieldDescriptor.cpp @ 8804:91bf0bdae37b

8008217: CDS: Class data sharing limits the malloc heap on Solaris Summary: In 64bit VM move CDS archive address to 32G on all platforms using new flag SharedBaseAddress. In 32bit VM set CDS archive address to 3Gb on Linux and let other OSs pick the address. Reviewed-by: kvn, dcubed, zgu, hseigel

author	coleenp
date	Wed, 20 Mar 2013 08:04:54 -0400
parents	927a311d00f9
children	0f7ca53be929 b2e698d2276c

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 7457 diff changeset	2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	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 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	26 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	27 #include "classfile/vmSymbols.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	28 #include "memory/resourceArea.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	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 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	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 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	33 #include "runtime/fieldDescriptor.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	34 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	35 #include "runtime/signature.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	36
a61af66fc99e Initial load duke parents: diff changeset	37
a61af66fc99e Initial load duke parents: diff changeset	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 a61af66fc99e Initial load duke parents: diff changeset	40 }
a61af66fc99e Initial load duke parents: diff changeset	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 a61af66fc99e Initial load duke parents: diff changeset	63 if (md == NULL)
a61af66fc99e Initial load duke parents: diff changeset	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 a61af66fc99e Initial load duke parents: diff changeset	66 }
a61af66fc99e Initial load duke parents: diff changeset	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();
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 7457 diff changeset	70 Array<AnnotationArray> type_annos = ik->fields_type_annotations();
7457 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;
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 7457 diff changeset	73 return type_annos->at(index());
7457 35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 6940 diff changeset	74 }
35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 6940 diff changeset	75
0 a61af66fc99e Initial load duke parents: diff changeset	76 constantTag fieldDescriptor::initial_value_tag() const {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	77 return constants()->tag_at(initial_value_index());
0 a61af66fc99e Initial load duke parents: diff changeset	78 }
a61af66fc99e Initial load duke parents: diff changeset	79
a61af66fc99e Initial load duke parents: diff changeset	80 jint fieldDescriptor::int_initial_value() const {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	81 return constants()->int_at(initial_value_index());
0 a61af66fc99e Initial load duke parents: diff changeset	82 }
a61af66fc99e Initial load duke parents: diff changeset	83
a61af66fc99e Initial load duke parents: diff changeset	84 jlong fieldDescriptor::long_initial_value() const {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	85 return constants()->long_at(initial_value_index());
0 a61af66fc99e Initial load duke parents: diff changeset	86 }
a61af66fc99e Initial load duke parents: diff changeset	87
a61af66fc99e Initial load duke parents: diff changeset	88 jfloat fieldDescriptor::float_initial_value() const {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	89 return constants()->float_at(initial_value_index());
0 a61af66fc99e Initial load duke parents: diff changeset	90 }
a61af66fc99e Initial load duke parents: diff changeset	91
a61af66fc99e Initial load duke parents: diff changeset	92 jdouble fieldDescriptor::double_initial_value() const {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	93 return constants()->double_at(initial_value_index());
0 a61af66fc99e Initial load duke parents: diff changeset	94 }
a61af66fc99e Initial load duke parents: diff changeset	95
a61af66fc99e Initial load duke parents: diff changeset	96 oop fieldDescriptor::string_initial_value(TRAPS) const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6176 diff changeset	97 return constants()->uncached_string_at(initial_value_index(), CHECK_0);
0 a61af66fc99e Initial load duke parents: diff changeset	98 }
a61af66fc99e Initial load duke parents: diff changeset	99
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6176 diff changeset	100 void fieldDescriptor::initialize(InstanceKlass* ik, int index) {
0 a61af66fc99e Initial load duke parents: diff changeset	101 _cp = ik->constants();
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	102 FieldInfo* f = ik->field(index);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	103 assert(!f->is_internal(), "regular Java fields only");
0 a61af66fc99e Initial load duke parents: diff changeset	104
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	105 _access_flags = accessFlags_from(f->access_flags());
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	106 guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor");
0 a61af66fc99e Initial load duke parents: diff changeset	107 _index = index;
a61af66fc99e Initial load duke parents: diff changeset	108 }
a61af66fc99e Initial load duke parents: diff changeset	109
a61af66fc99e Initial load duke parents: diff changeset	110 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	111
a61af66fc99e Initial load duke parents: diff changeset	112 void fieldDescriptor::print_on(outputStream* st) const {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	113 access_flags().print_on(st);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	114 name()->print_value_on(st);
0 a61af66fc99e Initial load duke parents: diff changeset	115 st->print(" ");
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 1972 diff changeset	116 signature()->print_value_on(st);
0 a61af66fc99e Initial load duke parents: diff changeset	117 st->print(" @%d ", offset());
a61af66fc99e Initial load duke parents: diff changeset	118 if (WizardMode && has_initial_value()) {
a61af66fc99e Initial load duke parents: diff changeset	119 st->print("(initval ");
a61af66fc99e Initial load duke parents: diff changeset	120 constantTag t = initial_value_tag();
a61af66fc99e Initial load duke parents: diff changeset	121 if (t.is_int()) {
a61af66fc99e Initial load duke parents: diff changeset	122 st->print("int %d)", int_initial_value());
a61af66fc99e Initial load duke parents: diff changeset	123 } else if (t.is_long()){
a61af66fc99e Initial load duke parents: diff changeset	124 st->print_jlong(long_initial_value());
a61af66fc99e Initial load duke parents: diff changeset	125 } else if (t.is_float()){
a61af66fc99e Initial load duke parents: diff changeset	126 st->print("float %f)", float_initial_value());
a61af66fc99e Initial load duke parents: diff changeset	127 } else if (t.is_double()){
a61af66fc99e Initial load duke parents: diff changeset	128 st->print("double %lf)", double_initial_value());
a61af66fc99e Initial load duke parents: diff changeset	129 }
a61af66fc99e Initial load duke parents: diff changeset	130 }
a61af66fc99e Initial load duke parents: diff changeset	131 }
a61af66fc99e Initial load duke parents: diff changeset	132
a61af66fc99e Initial load duke parents: diff changeset	133 void fieldDescriptor::print_on_for(outputStream* st, oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	134 print_on(st);
a61af66fc99e Initial load duke parents: diff changeset	135 BasicType ft = field_type();
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 0 diff changeset	136 jint as_int = 0;
0 a61af66fc99e Initial load duke parents: diff changeset	137 switch (ft) {
a61af66fc99e Initial load duke parents: diff changeset	138 case T_BYTE:
a61af66fc99e Initial load duke parents: diff changeset	139 as_int = (jint)obj->byte_field(offset());
a61af66fc99e Initial load duke parents: diff changeset	140 st->print(" %d", obj->byte_field(offset()));
a61af66fc99e Initial load duke parents: diff changeset	141 break;
a61af66fc99e Initial load duke parents: diff changeset	142 case T_CHAR:
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 0 diff changeset	143 as_int = (jint)obj->char_field(offset());
0 a61af66fc99e Initial load duke parents: diff changeset	144 {
a61af66fc99e Initial load duke parents: diff changeset	145 jchar c = obj->char_field(offset());
a61af66fc99e Initial load duke parents: diff changeset	146 as_int = c;
a61af66fc99e Initial load duke parents: diff changeset	147 st->print(" %c %d", isprint(c) ? c : ' ', c);
a61af66fc99e Initial load duke parents: diff changeset	148 }
a61af66fc99e Initial load duke parents: diff changeset	149 break;
a61af66fc99e Initial load duke parents: diff changeset	150 case T_DOUBLE:
a61af66fc99e Initial load duke parents: diff changeset	151 st->print(" %lf", obj->double_field(offset()));
a61af66fc99e Initial load duke parents: diff changeset	152 break;
a61af66fc99e Initial load duke parents: diff changeset	153 case T_FLOAT:
a61af66fc99e Initial load duke parents: diff changeset	154 as_int = obj->int_field(offset());
a61af66fc99e Initial load duke parents: diff changeset	155 st->print(" %f", obj->float_field(offset()));
a61af66fc99e Initial load duke parents: diff changeset	156 break;
a61af66fc99e Initial load duke parents: diff changeset	157 case T_INT:
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 0 diff changeset	158 as_int = obj->int_field(offset());
0 a61af66fc99e Initial load duke parents: diff changeset	159 st->print(" %d", obj->int_field(offset()));
a61af66fc99e Initial load duke parents: diff changeset	160 break;
a61af66fc99e Initial load duke parents: diff changeset	161 case T_LONG:
a61af66fc99e Initial load duke parents: diff changeset	162 st->print(" ");
a61af66fc99e Initial load duke parents: diff changeset	163 st->print_jlong(obj->long_field(offset()));
a61af66fc99e Initial load duke parents: diff changeset	164 break;
a61af66fc99e Initial load duke parents: diff changeset	165 case T_SHORT:
a61af66fc99e Initial load duke parents: diff changeset	166 as_int = obj->short_field(offset());
a61af66fc99e Initial load duke parents: diff changeset	167 st->print(" %d", obj->short_field(offset()));
a61af66fc99e Initial load duke parents: diff changeset	168 break;
a61af66fc99e Initial load duke parents: diff changeset	169 case T_BOOLEAN:
a61af66fc99e Initial load duke parents: diff changeset	170 as_int = obj->bool_field(offset());
a61af66fc99e Initial load duke parents: diff changeset	171 st->print(" %s", obj->bool_field(offset()) ? "true" : "false");
a61af66fc99e Initial load duke parents: diff changeset	172 break;
a61af66fc99e Initial load duke parents: diff changeset	173 case T_ARRAY:
a61af66fc99e Initial load duke parents: diff changeset	174 st->print(" ");
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 0 diff changeset	175 NOT_LP64(as_int = obj->int_field(offset()));
0 a61af66fc99e Initial load duke parents: diff changeset	176 obj->obj_field(offset())->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	177 break;
a61af66fc99e Initial load duke parents: diff changeset	178 case T_OBJECT:
a61af66fc99e Initial load duke parents: diff changeset	179 st->print(" ");
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 0 diff changeset	180 NOT_LP64(as_int = obj->int_field(offset()));
0 a61af66fc99e Initial load duke parents: diff changeset	181 obj->obj_field(offset())->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	182 break;
a61af66fc99e Initial load duke parents: diff changeset	183 default:
a61af66fc99e Initial load duke parents: diff changeset	184 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	185 break;
a61af66fc99e Initial load duke parents: diff changeset	186 }
a61af66fc99e Initial load duke parents: diff changeset	187 // Print a hint as to the underlying integer representation. This can be wrong for
a61af66fc99e Initial load duke parents: diff changeset	188 // pointers on an LP64 machine
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 0 diff changeset	189 if (ft == T_LONG \|\| ft == T_DOUBLE LP64_ONLY(\|\| !is_java_primitive(ft)) ) {
0 a61af66fc99e Initial load duke parents: diff changeset	190 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	191 } else if (as_int < 0 \|\| as_int > 9) {
0 a61af66fc99e Initial load duke parents: diff changeset	192 st->print(" (%x)", as_int);
a61af66fc99e Initial load duke parents: diff changeset	193 }
a61af66fc99e Initial load duke parents: diff changeset	194 }
a61af66fc99e Initial load duke parents: diff changeset	195
a61af66fc99e Initial load duke parents: diff changeset	196 #endif /* PRODUCT */

Mercurial > hg > truffle

annotate src/share/vm/runtime/fieldDescriptor.cpp @ 8804:91bf0bdae37b