public abstract class java.nio.MappedByteBuffer extends java.nio.ByteBuffer
minor version: 0
major version: 59
flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
this_class: java.nio.MappedByteBuffer
super_class: java.nio.ByteBuffer
{
private final java.io.FileDescriptor fd;
descriptor: Ljava/io/FileDescriptor;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private static byte unused;
descriptor: B
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
void <init>(int, int, int, int, java.io.FileDescriptor);
descriptor: (IIIILjava/io/FileDescriptor;)V
flags: (0x0000)
Code:
stack=5, locals=6, args_size=6
start local 0 start local 1 start local 2 start local 3 start local 4 start local 5 0: aload 0
iload 1
iload 2
iload 3
iload 4
invokespecial java.nio.ByteBuffer.<init>:(IIII)V
1: aload 0
aload 5
putfield java.nio.MappedByteBuffer.fd:Ljava/io/FileDescriptor;
2: return
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/nio/MappedByteBuffer;
0 3 1 mark I
0 3 2 pos I
0 3 3 lim I
0 3 4 cap I
0 3 5 fd Ljava/io/FileDescriptor;
MethodParameters:
Name Flags
mark
pos
lim
cap
fd
void <init>(int, int, int, int);
descriptor: (IIII)V
flags: (0x0000)
Code:
stack=5, locals=5, args_size=5
start local 0 start local 1 start local 2 start local 3 start local 4 0: aload 0
iload 1
iload 2
iload 3
iload 4
invokespecial java.nio.ByteBuffer.<init>:(IIII)V
1: aload 0
aconst_null
putfield java.nio.MappedByteBuffer.fd:Ljava/io/FileDescriptor;
2: return
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/nio/MappedByteBuffer;
0 3 1 mark I
0 3 2 pos I
0 3 3 lim I
0 3 4 cap I
MethodParameters:
Name Flags
mark
pos
lim
cap
private void checkMapped();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield java.nio.MappedByteBuffer.fd:Ljava/io/FileDescriptor;
ifnonnull 2
1: new java.lang.UnsupportedOperationException
dup
invokespecial java.lang.UnsupportedOperationException.<init>:()V
athrow
2: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/nio/MappedByteBuffer;
private long mappingOffset();
descriptor: ()J
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=4, args_size=1
start local 0 0: invokestatic java.nio.Bits.pageSize:()I
istore 1
start local 1 1: aload 0
getfield java.nio.MappedByteBuffer.address:J
iload 1
i2l
lrem
lstore 2
start local 2 2: lload 2
lconst_0
lcmp
iflt 3
lload 2
goto 4
StackMap locals: int long
StackMap stack:
3: iload 1
i2l
lload 2
ladd
StackMap locals:
StackMap stack: long
4: lreturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/nio/MappedByteBuffer;
1 5 1 ps I
2 5 2 offset J
private long mappingAddress(long);
descriptor: (J)J
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.nio.MappedByteBuffer.address:J
lload 1
lsub
lreturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/nio/MappedByteBuffer;
0 1 1 mappingOffset J
MethodParameters:
Name Flags
mappingOffset
private long mappingLength(long);
descriptor: (J)J
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=3, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual java.nio.MappedByteBuffer.capacity:()I
i2l
lload 1
ladd
lreturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/nio/MappedByteBuffer;
0 1 1 mappingOffset J
MethodParameters:
Name Flags
mappingOffset
public final boolean isLoaded();
descriptor: ()Z
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=7, locals=5, args_size=1
start local 0 0: aload 0
invokevirtual java.nio.MappedByteBuffer.checkMapped:()V
1: aload 0
getfield java.nio.MappedByteBuffer.address:J
lconst_0
lcmp
ifeq 2
aload 0
invokevirtual java.nio.MappedByteBuffer.capacity:()I
ifne 3
2: StackMap locals:
StackMap stack:
iconst_1
ireturn
3: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.nio.MappedByteBuffer.mappingOffset:()J
lstore 1
start local 1 4: aload 0
lload 1
invokevirtual java.nio.MappedByteBuffer.mappingLength:(J)J
lstore 3
start local 3 5: aload 0
aload 0
lload 1
invokevirtual java.nio.MappedByteBuffer.mappingAddress:(J)J
lload 3
lload 3
invokestatic java.nio.Bits.pageCount:(J)I
invokevirtual java.nio.MappedByteBuffer.isLoaded0:(JJI)Z
ireturn
end local 3 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/nio/MappedByteBuffer;
4 6 1 offset J
5 6 3 length J
public final java.nio.MappedByteBuffer load();
descriptor: ()Ljava/nio/MappedByteBuffer;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=5, locals=12, args_size=1
start local 0 0: aload 0
invokevirtual java.nio.MappedByteBuffer.checkMapped:()V
1: aload 0
getfield java.nio.MappedByteBuffer.address:J
lconst_0
lcmp
ifeq 2
aload 0
invokevirtual java.nio.MappedByteBuffer.capacity:()I
ifne 3
2: StackMap locals:
StackMap stack:
aload 0
areturn
3: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.nio.MappedByteBuffer.mappingOffset:()J
lstore 1
start local 1 4: aload 0
lload 1
invokevirtual java.nio.MappedByteBuffer.mappingLength:(J)J
lstore 3
start local 3 5: aload 0
aload 0
lload 1
invokevirtual java.nio.MappedByteBuffer.mappingAddress:(J)J
lload 3
invokevirtual java.nio.MappedByteBuffer.load0:(JJ)V
6: invokestatic sun.misc.Unsafe.getUnsafe:()Lsun/misc/Unsafe;
astore 5
start local 5 7: invokestatic java.nio.Bits.pageSize:()I
istore 6
start local 6 8: lload 3
invokestatic java.nio.Bits.pageCount:(J)I
istore 7
start local 7 9: aload 0
lload 1
invokevirtual java.nio.MappedByteBuffer.mappingAddress:(J)J
lstore 8
start local 8 10: iconst_0
istore 10
start local 10 11: iconst_0
istore 11
start local 11 12: goto 16
13: StackMap locals: java.nio.MappedByteBuffer long long sun.misc.Unsafe int int long int int
StackMap stack:
iload 10
aload 5
lload 8
invokevirtual sun.misc.Unsafe.getByte:(J)B
ixor
i2b
istore 10
14: lload 8
iload 6
i2l
ladd
lstore 8
15: iinc 11 1
StackMap locals:
StackMap stack:
16: iload 11
iload 7
if_icmplt 13
end local 11 17: getstatic java.nio.MappedByteBuffer.unused:B
ifeq 19
18: iload 10
putstatic java.nio.MappedByteBuffer.unused:B
19: StackMap locals:
StackMap stack:
aload 0
areturn
end local 10 end local 8 end local 7 end local 6 end local 5 end local 3 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 20 0 this Ljava/nio/MappedByteBuffer;
4 20 1 offset J
5 20 3 length J
7 20 5 unsafe Lsun/misc/Unsafe;
8 20 6 ps I
9 20 7 count I
10 20 8 a J
11 20 10 x B
12 17 11 i I
public final java.nio.MappedByteBuffer force();
descriptor: ()Ljava/nio/MappedByteBuffer;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=7, locals=3, args_size=1
start local 0 0: aload 0
invokevirtual java.nio.MappedByteBuffer.checkMapped:()V
1: aload 0
getfield java.nio.MappedByteBuffer.address:J
lconst_0
lcmp
ifeq 4
aload 0
invokevirtual java.nio.MappedByteBuffer.capacity:()I
ifeq 4
2: aload 0
invokevirtual java.nio.MappedByteBuffer.mappingOffset:()J
lstore 1
start local 1 3: aload 0
aload 0
getfield java.nio.MappedByteBuffer.fd:Ljava/io/FileDescriptor;
aload 0
lload 1
invokevirtual java.nio.MappedByteBuffer.mappingAddress:(J)J
aload 0
lload 1
invokevirtual java.nio.MappedByteBuffer.mappingLength:(J)J
invokevirtual java.nio.MappedByteBuffer.force0:(Ljava/io/FileDescriptor;JJ)V
end local 1 4: StackMap locals:
StackMap stack:
aload 0
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/nio/MappedByteBuffer;
3 4 1 offset J
private native boolean isLoaded0(long, long, int);
descriptor: (JJI)Z
flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
MethodParameters:
Name Flags
address
length
pageCount
private native void load0(long, long);
descriptor: (JJ)V
flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
MethodParameters:
Name Flags
address
length
private native void force0(java.io.FileDescriptor, long, long);
descriptor: (Ljava/io/FileDescriptor;JJ)V
flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
MethodParameters:
Name Flags
fd
address
length
}
SourceFile: "MappedByteBuffer.java"