public class sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap implements sun.jvm.hotspot.utilities.BitMapInterface
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap
  super_class: java.lang.Object
{
  private java.util.HashMap<sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion, sun.jvm.hotspot.utilities.BitMap> regionToBitMap;
    descriptor: Ljava/util/HashMap;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/HashMap<Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;Lsun/jvm/hotspot/utilities/BitMap;>;

  private sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap heap;
    descriptor: Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;
    flags: (0x0002) ACC_PRIVATE

  void <init>(sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap);
    descriptor: (Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
        start local 1 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap heap
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 33
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.regionToBitMap:Ljava/util/HashMap;
         2: .line 37
            aload 0 /* this */
            aload 1 /* heap */
            putfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.heap:Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;
         3: .line 38
            return
        end local 1 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap heap
        end local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahBitMap;
            0    4     1  heap  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;
    MethodParameters:
      Name  Flags
      heap  

  public boolean at(long);
    descriptor: (J)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=2
        start local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
        start local 1 // long offset
         0: .line 42
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.heap:Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;
            lload 1 /* offset */
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap.regionAtOffset:(J)Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;
            astore 3 /* region */
        start local 3 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
         1: .line 43
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.regionToBitMap:Ljava/util/HashMap;
            aload 3 /* region */
            invokevirtual java.util.HashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast sun.jvm.hotspot.utilities.BitMap
            astore 4 /* bitmap */
        start local 4 // sun.jvm.hotspot.utilities.BitMap bitmap
         2: .line 44
            aload 4 /* bitmap */
            ifnonnull 4
         3: .line 45
            iconst_0
            ireturn
         4: .line 47
      StackMap locals: sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion sun.jvm.hotspot.utilities.BitMap
      StackMap stack:
            aload 0 /* this */
            lload 1 /* offset */
            aload 3 /* region */
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.toBitMapOffset:(JLsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;)I
            istore 5 /* index */
        start local 5 // int index
         5: .line 48
            aload 4 /* bitmap */
            iload 5 /* index */
            invokevirtual sun.jvm.hotspot.utilities.BitMap.at:(I)Z
            ireturn
        end local 5 // int index
        end local 4 // sun.jvm.hotspot.utilities.BitMap bitmap
        end local 3 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
        end local 1 // long offset
        end local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahBitMap;
            0    6     1  offset  J
            1    6     3  region  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;
            2    6     4  bitmap  Lsun/jvm/hotspot/utilities/BitMap;
            5    6     5   index  I
    MethodParameters:
        Name  Flags
      offset  

  public void atPut(long, boolean);
    descriptor: (JZ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=7, args_size=3
        start local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
        start local 1 // long offset
        start local 3 // boolean value
         0: .line 54
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.heap:Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;
            lload 1 /* offset */
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap.regionAtOffset:(J)Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;
            astore 4 /* region */
        start local 4 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
         1: .line 55
            aload 0 /* this */
            aload 4 /* region */
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.getOrAddBitMap:(Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;)Lsun/jvm/hotspot/utilities/BitMap;
            astore 5 /* bitmap */
        start local 5 // sun.jvm.hotspot.utilities.BitMap bitmap
         2: .line 56
            aload 0 /* this */
            lload 1 /* offset */
            aload 4 /* region */
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.toBitMapOffset:(JLsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;)I
            istore 6 /* index */
        start local 6 // int index
         3: .line 57
            aload 5 /* bitmap */
            iload 6 /* index */
            iload 3 /* value */
            invokevirtual sun.jvm.hotspot.utilities.BitMap.atPut:(IZ)V
         4: .line 58
            return
        end local 6 // int index
        end local 5 // sun.jvm.hotspot.utilities.BitMap bitmap
        end local 4 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
        end local 3 // boolean value
        end local 1 // long offset
        end local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahBitMap;
            0    5     1  offset  J
            0    5     3   value  Z
            1    5     4  region  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;
            2    5     5  bitmap  Lsun/jvm/hotspot/utilities/BitMap;
            3    5     6   index  I
    MethodParameters:
        Name  Flags
      offset  
      value   

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=1
        start local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
         0: .line 62
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.regionToBitMap:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.values:()Ljava/util/Collection;
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 2
            goto 3
      StackMap locals: sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap top java.util.Iterator
      StackMap stack:
         1: aload 2
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast sun.jvm.hotspot.utilities.BitMap
            astore 1 /* bitMap */
        start local 1 // sun.jvm.hotspot.utilities.BitMap bitMap
         2: .line 63
            aload 1 /* bitMap */
            invokevirtual sun.jvm.hotspot.utilities.BitMap.clear:()V
        end local 1 // sun.jvm.hotspot.utilities.BitMap bitMap
         3: .line 62
      StackMap locals:
      StackMap stack:
            aload 2
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         4: .line 65
            return
        end local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahBitMap;
            2    3     1  bitMap  Lsun/jvm/hotspot/utilities/BitMap;

  private int toBitMapOffset(long, sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion);
    descriptor: (JLsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=10, args_size=3
        start local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
        start local 1 // long offset
        start local 3 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
         0: .line 68
            invokestatic sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion.regionSizeBytes:()J
            lstore 4 /* regionSize */
        start local 4 // long regionSize
         1: .line 69
            aload 3 /* region */
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion.index:()J
            lload 4 /* regionSize */
            lmul
            lstore 6 /* regionOffset */
        start local 6 // long regionOffset
         2: .line 70
            lload 1 /* offset */
            lload 6 /* regionOffset */
            lsub
            lstore 8 /* offsetInRegion */
        start local 8 // long offsetInRegion
         3: .line 72
            lload 8 /* offsetInRegion */
            lconst_0
            lcmp
            iflt 4
            lload 8 /* offsetInRegion */
            lload 4 /* regionSize */
            lcmp
            iflt 5
         4: .line 73
      StackMap locals: long long long
      StackMap stack:
            new java.lang.RuntimeException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unexpected negative offset: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            lload 8 /* offsetInRegion */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 75
      StackMap locals:
      StackMap stack:
            lload 8 /* offsetInRegion */
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.heap:Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap.getLogMinObjAlignmentInBytes:()I
            lushr
            l2i
            ireturn
        end local 8 // long offsetInRegion
        end local 6 // long regionOffset
        end local 4 // long regionSize
        end local 3 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
        end local 1 // long offset
        end local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    6     0            this  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahBitMap;
            0    6     1          offset  J
            0    6     3          region  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;
            1    6     4      regionSize  J
            2    6     6    regionOffset  J
            3    6     8  offsetInRegion  J
    MethodParameters:
        Name  Flags
      offset  
      region  

  private sun.jvm.hotspot.utilities.BitMap getOrAddBitMap(sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion);
    descriptor: (Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;)Lsun/jvm/hotspot/utilities/BitMap;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=8, args_size=2
        start local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
        start local 1 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
         0: .line 79
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.regionToBitMap:Ljava/util/HashMap;
            aload 1 /* region */
            invokevirtual java.util.HashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast sun.jvm.hotspot.utilities.BitMap
            astore 2 /* bitMap */
        start local 2 // sun.jvm.hotspot.utilities.BitMap bitMap
         1: .line 80
            aload 2 /* bitMap */
            ifnonnull 9
         2: .line 81
            invokestatic sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion.regionSizeBytes:()J
            lstore 3 /* regionSize */
        start local 3 // long regionSize
         3: .line 82
            lload 3 /* regionSize */
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.heap:Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeap;
            invokevirtual sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap.getLogMinObjAlignmentInBytes:()I
            lushr
            lstore 5 /* maxNumObjects */
        start local 5 // long maxNumObjects
         4: .line 84
            lload 5 /* maxNumObjects */
            ldc 2147483647
            lcmp
            ifle 6
         5: .line 85
            new java.lang.RuntimeException
            dup
            ldc "int overflow"
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 87
      StackMap locals: sun.jvm.hotspot.utilities.BitMap long long
      StackMap stack:
            lload 5 /* maxNumObjects */
            l2i
            istore 7 /* intMaxNumObjects */
        start local 7 // int intMaxNumObjects
         7: .line 89
            new sun.jvm.hotspot.utilities.BitMap
            dup
            iload 7 /* intMaxNumObjects */
            invokespecial sun.jvm.hotspot.utilities.BitMap.<init>:(I)V
            astore 2 /* bitMap */
         8: .line 90
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap.regionToBitMap:Ljava/util/HashMap;
            aload 1 /* region */
            aload 2 /* bitMap */
            invokevirtual java.util.HashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 7 // int intMaxNumObjects
        end local 5 // long maxNumObjects
        end local 3 // long regionSize
         9: .line 93
      StackMap locals:
      StackMap stack:
            aload 2 /* bitMap */
            areturn
        end local 2 // sun.jvm.hotspot.utilities.BitMap bitMap
        end local 1 // sun.jvm.hotspot.gc.shenandoah.ShenandoahHeapRegion region
        end local 0 // sun.jvm.hotspot.gc.shenandoah.ShenandoahBitMap this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0   10     0              this  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahBitMap;
            0   10     1            region  Lsun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion;
            1   10     2            bitMap  Lsun/jvm/hotspot/utilities/BitMap;
            3    9     3        regionSize  J
            4    9     5     maxNumObjects  J
            7    9     7  intMaxNumObjects  I
    MethodParameters:
        Name  Flags
      region  
}
SourceFile: "ShenandoahBitMap.java"