test/lib/sun/hotspot/WhiteBox.java

@@ -24,10 +24,11 @@
 
 package sun.hotspot;
 
 import java.lang.management.MemoryUsage;
 import java.lang.reflect.Executable;
+import java.nio.ByteBuffer;
 import java.util.Arrays;
 import java.util.List;
 import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.util.stream.Stream;

@@ -35,11 +36,10 @@
 import java.util.Objects;
 
 import sun.hotspot.parser.DiagnosticCommand;
 
 public class WhiteBox {
-
   @SuppressWarnings("serial")
   public static class WhiteBoxPermission extends BasicPermission {
     public WhiteBoxPermission(String s) {
       super(s);
     }

@@ -359,10 +359,27 @@
                               .filter(x -> x != null)
                               .findAny()
                               .orElse(null);
   }
 
+  public native boolean readImageFile(String imagePath);
+  public native long imageOpenImage(String imagePath, boolean bigEndian);
+  public native void imageCloseImage(long id);
+  public native long imageGetIndexAddress(long id);
+  public native long imageGetDataAddress(long id);
+  public native boolean imageReadCompressed(long id, long offset,
+    ByteBuffer compressedBuffer, long compressedSize,
+    ByteBuffer uncompressedBuffer, long uncompressedSize);
+  public native boolean imageRead(long id, long offset,
+    ByteBuffer uncompressedBuffer, long uncompressedSize);
+  public native byte[] imageGetStringBytes(long id, int offset);
+  public native long imageGetStringsSize(long id);
+  public native long[] imageGetAttributes(long id, int offset);
+  public native long[] imageFindAttributes(long id, byte[] path);
+  public native int[] imageAttributeOffsets(long id);
+  public native int imageGetIntAtAddress(long address, int offset, boolean big_endian);
+
   // Safepoint Checking
   public native void assertMatchingSafepointCalls(boolean mutexSafepointValue, boolean attemptedNoSafepointValue);
 
   // Sharing
   public native boolean isShared(Object o);