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comparison agent/src/share/classes/sun/jvm/hotspot/oops/InstanceKlass.java @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children d1605aabd0a1
comparison
equal deleted inserted replaced
110:a49a647afe9a 113:ba764ed4b6f2
465 TypeArray fields = getFields(); 465 TypeArray fields = getFields();
466 int length = (int) fields.getLength(); 466 int length = (int) fields.getLength();
467 for (int index = 0; index < length; index += NEXT_OFFSET) { 467 for (int index = 0; index < length; index += NEXT_OFFSET) {
468 short accessFlags = fields.getShortAt(index + ACCESS_FLAGS_OFFSET); 468 short accessFlags = fields.getShortAt(index + ACCESS_FLAGS_OFFSET);
469 short signatureIndex = fields.getShortAt(index + SIGNATURE_INDEX_OFFSET); 469 short signatureIndex = fields.getShortAt(index + SIGNATURE_INDEX_OFFSET);
470
471 FieldType type = new FieldType((Symbol) getConstants().getObjAt(signatureIndex)); 470 FieldType type = new FieldType((Symbol) getConstants().getObjAt(signatureIndex));
472 AccessFlags access = new AccessFlags(accessFlags); 471 AccessFlags access = new AccessFlags(accessFlags);
473 if (access.isStatic()) { 472 if (access.isStatic()) {
474 visitField(visitor, type, index); 473 visitField(visitor, type, index);
475 } 474 }
788 private Field newField(int index) { 787 private Field newField(int index) {
789 TypeArray fields = getFields(); 788 TypeArray fields = getFields();
790 short signatureIndex = fields.getShortAt(index + SIGNATURE_INDEX_OFFSET); 789 short signatureIndex = fields.getShortAt(index + SIGNATURE_INDEX_OFFSET);
791 FieldType type = new FieldType((Symbol) getConstants().getObjAt(signatureIndex)); 790 FieldType type = new FieldType((Symbol) getConstants().getObjAt(signatureIndex));
792 if (type.isOop()) { 791 if (type.isOop()) {
793 return new OopField(this, index); 792 if (VM.getVM().isCompressedOopsEnabled()) {
793 return new NarrowOopField(this, index);
794 } else {
795 return new OopField(this, index);
796 }
794 } 797 }
795 if (type.isByte()) { 798 if (type.isByte()) {
796 return new ByteField(this, index); 799 return new ByteField(this, index);
797 } 800 }
798 if (type.isChar()) { 801 if (type.isChar()) {