373 private static final int JVM_SIGNATURE_CHAR = 'C';
374 private static final int JVM_SIGNATURE_BYTE = 'B';
375 private static final int JVM_SIGNATURE_SHORT = 'S';
376 private static final int JVM_SIGNATURE_INT = 'I';
377 private static final int JVM_SIGNATURE_LONG = 'J';
378 private static final int JVM_SIGNATURE_FLOAT = 'F';
379 private static final int JVM_SIGNATURE_DOUBLE = 'D';
380 private static final int JVM_SIGNATURE_ARRAY = '[';
381 private static final int JVM_SIGNATURE_CLASS = 'L';
382
383 private static final long MAX_U4_VALUE = 0xFFFFFFFFL;
384 int serialNum = 1;
385
386 public HeapHprofBinWriter() {
387 this.KlassMap = new ArrayList<Klass>();
388 this.names = new HashSet<Symbol>();
389 }
390
391 public synchronized void write(String fileName) throws IOException {
392 VM vm = VM.getVM();
393 if (vm.getUniverse().heap() instanceof ZCollectedHeap) {
394 throw new RuntimeException("This operation is not supported with ZGC.");
395 }
396
397 // open file stream and create buffered data output stream
398 fos = new FileOutputStream(fileName);
399 out = new DataOutputStream(new BufferedOutputStream(fos));
400
401 dbg = vm.getDebugger();
402 objectHeap = vm.getObjectHeap();
403
404 OBJ_ID_SIZE = (int) vm.getOopSize();
405
406 BOOLEAN_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_BOOLEAN);
407 BYTE_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_BYTE);
408 CHAR_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_CHAR);
409 SHORT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_SHORT);
410 INT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_INT);
411 LONG_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_LONG);
412 FLOAT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_FLOAT);
413 DOUBLE_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_DOUBLE);
414 OBJECT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_OBJECT);
415
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373 private static final int JVM_SIGNATURE_CHAR = 'C';
374 private static final int JVM_SIGNATURE_BYTE = 'B';
375 private static final int JVM_SIGNATURE_SHORT = 'S';
376 private static final int JVM_SIGNATURE_INT = 'I';
377 private static final int JVM_SIGNATURE_LONG = 'J';
378 private static final int JVM_SIGNATURE_FLOAT = 'F';
379 private static final int JVM_SIGNATURE_DOUBLE = 'D';
380 private static final int JVM_SIGNATURE_ARRAY = '[';
381 private static final int JVM_SIGNATURE_CLASS = 'L';
382
383 private static final long MAX_U4_VALUE = 0xFFFFFFFFL;
384 int serialNum = 1;
385
386 public HeapHprofBinWriter() {
387 this.KlassMap = new ArrayList<Klass>();
388 this.names = new HashSet<Symbol>();
389 }
390
391 public synchronized void write(String fileName) throws IOException {
392 VM vm = VM.getVM();
393
394 // open file stream and create buffered data output stream
395 fos = new FileOutputStream(fileName);
396 out = new DataOutputStream(new BufferedOutputStream(fos));
397
398 dbg = vm.getDebugger();
399 objectHeap = vm.getObjectHeap();
400
401 OBJ_ID_SIZE = (int) vm.getOopSize();
402
403 BOOLEAN_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_BOOLEAN);
404 BYTE_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_BYTE);
405 CHAR_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_CHAR);
406 SHORT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_SHORT);
407 INT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_INT);
408 LONG_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_LONG);
409 FLOAT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_FLOAT);
410 DOUBLE_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_DOUBLE);
411 OBJECT_BASE_OFFSET = TypeArray.baseOffsetInBytes(BasicType.T_OBJECT);
412
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