test/testlibrary/whitebox/sun/hotspot/code/CodeBlob.java
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test/testlibrary/whitebox/sun/hotspot/code/CodeBlob.java

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rev 7383 : 8059550: JEP-JDK-8043304: Test task: segment overflow w/ empty others
Reviewed-by: thartmann, iigantyev


  22  *
  23  */
  24 
  25 package sun.hotspot.code;
  26 
  27 import sun.hotspot.WhiteBox;
  28 
  29 public class CodeBlob {
  30   private static final WhiteBox WB = WhiteBox.getWhiteBox();
  31   public static CodeBlob[] getCodeBlobs(BlobType type) {
  32     Object[] obj = WB.getCodeHeapEntries(type.id);
  33     if (obj == null) {
  34       return null;
  35     }
  36     CodeBlob[] result = new CodeBlob[obj.length];
  37     for (int i = 0, n = result.length; i < n; ++i) {
  38       result[i] = new CodeBlob((Object[]) obj[i]);
  39     }
  40     return result;
  41   }







  42   protected CodeBlob(Object[] obj) {
  43     assert obj.length == 3;
  44     name = (String) obj[0];
  45     size = (Integer) obj[1];
  46     code_blob_type = BlobType.values()[(Integer) obj[2]];
  47     assert code_blob_type.id == (Integer) obj[2];
  48   }
  49   public final String name;
  50   public final int size;
  51   public final BlobType code_blob_type;
  52 
  53   @Override
  54   public String toString() {
  55     return "CodeBlob{"
  56         + "name=" + name
  57         + ", size=" + size
  58         + ", code_blob_type=" + code_blob_type
  59         + '}';
  60   }
  61 }


  22  *
  23  */
  24 
  25 package sun.hotspot.code;
  26 
  27 import sun.hotspot.WhiteBox;
  28 
  29 public class CodeBlob {
  30   private static final WhiteBox WB = WhiteBox.getWhiteBox();
  31   public static CodeBlob[] getCodeBlobs(BlobType type) {
  32     Object[] obj = WB.getCodeHeapEntries(type.id);
  33     if (obj == null) {
  34       return null;
  35     }
  36     CodeBlob[] result = new CodeBlob[obj.length];
  37     for (int i = 0, n = result.length; i < n; ++i) {
  38       result[i] = new CodeBlob((Object[]) obj[i]);
  39     }
  40     return result;
  41   }
  42   public static CodeBlob getCodeBlob(long addr) {
  43     Object[] obj = WB.getCodeBlob(addr);
  44     if (obj == null) {
  45       return null;
  46     }
  47     return new CodeBlob(obj);
  48   }
  49   protected CodeBlob(Object[] obj) {
  50     assert obj.length == 3;
  51     name = (String) obj[0];
  52     size = (Integer) obj[1];
  53     code_blob_type = BlobType.values()[(Integer) obj[2]];
  54     assert code_blob_type.id == (Integer) obj[2];
  55   }
  56   public final String name;
  57   public final int size;
  58   public final BlobType code_blob_type;
  59 
  60   @Override
  61   public String toString() {
  62     return "CodeBlob{"
  63         + "name=" + name
  64         + ", size=" + size
  65         + ", code_blob_type=" + code_blob_type
  66         + '}';
  67   }
  68 }
test/testlibrary/whitebox/sun/hotspot/code/CodeBlob.java
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