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comparison agent/src/share/classes/sun/jvm/hotspot/utilities/HeapHprofBinWriter.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
572 } 572 }
573 } catch (IOException exp) { 573 } catch (IOException exp) {
574 throw new RuntimeException(exp); 574 throw new RuntimeException(exp);
575 } 575 }
576 } 576 }
577 public void visitCompOopAddress(Address handleAddr) {
578 throw new RuntimeException(
579 " Should not reach here. JNIHandles are not compressed \n");
580 }
577 }); 581 });
578 } catch (RuntimeException re) { 582 } catch (RuntimeException re) {
579 handleRuntimeException(re); 583 handleRuntimeException(re);
580 } 584 }
581 } 585 }
599 out.writeInt(DUMMY_STACK_TRACE_ID); 603 out.writeInt(DUMMY_STACK_TRACE_ID);
600 out.writeInt((int) array.getLength()); 604 out.writeInt((int) array.getLength());
601 writeObjectID(array.getKlass().getJavaMirror()); 605 writeObjectID(array.getKlass().getJavaMirror());
602 final int length = (int) array.getLength(); 606 final int length = (int) array.getLength();
603 for (int index = 0; index < length; index++) { 607 for (int index = 0; index < length; index++) {
604 long offset = OBJECT_BASE_OFFSET + index * OBJ_ID_SIZE; 608 OopHandle handle = array.getOopHandleAt(index);
605 OopHandle handle = array.getHandle().getOopHandleAt(offset);
606 writeObjectID(getAddressValue(handle)); 609 writeObjectID(getAddressValue(handle));
607 } 610 }
608 } 611 }
609 612
610 protected void writePrimitiveArray(TypeArray array) throws IOException { 613 protected void writePrimitiveArray(TypeArray array) throws IOException {
801 case JVM_SIGNATURE_DOUBLE: 804 case JVM_SIGNATURE_DOUBLE:
802 out.writeDouble(((DoubleField)field).getValue(oop)); 805 out.writeDouble(((DoubleField)field).getValue(oop));
803 break; 806 break;
804 case JVM_SIGNATURE_CLASS: 807 case JVM_SIGNATURE_CLASS:
805 case JVM_SIGNATURE_ARRAY: { 808 case JVM_SIGNATURE_ARRAY: {
806 OopHandle handle = ((OopField)field).getValueAsOopHandle(oop); 809 if (VM.getVM().isCompressedOopsEnabled()) {
807 writeObjectID(getAddressValue(handle)); 810 OopHandle handle = ((NarrowOopField)field).getValueAsOopHandle(oop);
811 writeObjectID(getAddressValue(handle));
812 } else {
813 OopHandle handle = ((OopField)field).getValueAsOopHandle(oop);
814 writeObjectID(getAddressValue(handle));
815 }
808 break; 816 break;
809 } 817 }
810 default: 818 default:
811 throw new RuntimeException("should not reach here"); 819 throw new RuntimeException("should not reach here");
812 } 820 }