Package com.android.dx.cf.code

Class ByteOps

java.lang.Object

com.android.dx.cf.code.ByteOps

public class ByteOps
extends Object

Constants and utility methods for dealing with bytecode arrays at an opcode level.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	AALOAD
static final int	AASTORE
static final int	ACONST_NULL
static final int	ALOAD
static final int	ALOAD_0
static final int	ALOAD_1
static final int	ALOAD_2
static final int	ALOAD_3
static final int	ANEWARRAY
static final int	ARETURN
static final int	ARRAYLENGTH
static final int	ASTORE
static final int	ASTORE_0
static final int	ASTORE_1
static final int	ASTORE_2
static final int	ASTORE_3
static final int	ATHROW
static final int	BALOAD
static final int	BASTORE
static final int	BIPUSH
static final int	CALOAD
static final int	CASTORE
static final int	CHECKCAST
static final int	CPOK_Class	"c": flag bit for valid cp type for Class
static final int	CPOK_Double	"D": flag bit for valid cp type for Double
static final int	CPOK_Fieldref	"f": flag bit for valid cp type for Fieldref
static final int	CPOK_Float	"F": flag bit for valid cp type for Float
static final int	CPOK_Integer	"I": flag bit for valid cp type for Integer
static final int	CPOK_InterfaceMethodref	"i": flag bit for valid cp type for InterfaceMethodref
static final int	CPOK_Long	"J": flag bit for valid cp type for Long
static final int	CPOK_Methodref	"m": flag bit for valid cp type for Methodref
static final int	CPOK_String	"s": flag bit for valid cp type for String
static final int	D2F
static final int	D2I
static final int	D2L
static final int	DADD
static final int	DALOAD
static final int	DASTORE
static final int	DCMPG
static final int	DCMPL
static final int	DCONST_0
static final int	DCONST_1
static final int	DDIV
static final int	DLOAD
static final int	DLOAD_0
static final int	DLOAD_1
static final int	DLOAD_2
static final int	DLOAD_3
static final int	DMUL
static final int	DNEG
static final int	DREM
static final int	DRETURN
static final int	DSTORE
static final int	DSTORE_0
static final int	DSTORE_1
static final int	DSTORE_2
static final int	DSTORE_3
static final int	DSUB
static final int	DUP
static final int	DUP_X1
static final int	DUP_X2
static final int	DUP2
static final int	DUP2_X1
static final int	DUP2_X2
static final int	F2D
static final int	F2I
static final int	F2L
static final int	FADD
static final int	FALOAD
static final int	FASTORE
static final int	FCMPG
static final int	FCMPL
static final int	FCONST_0
static final int	FCONST_1
static final int	FCONST_2
static final int	FDIV
static final int	FLOAD
static final int	FLOAD_0
static final int	FLOAD_1
static final int	FLOAD_2
static final int	FLOAD_3
static final int	FMT_BRANCH	"b": op target target
static final int	FMT_CPI	"p": op #cpi #cpi; constant restricted as specified
static final int	FMT_INVALID	invalid
static final int	FMT_INVOKEINTERFACE	"I": invokeinterface cpi cpi count 0
static final int	FMT_LDC	"L": ldc #cpi; constant restricted as specified
static final int	FMT_LITERAL_BYTE	"y": op #byte (bipush and newarray)
static final int	FMT_LOCAL_1	"l": op local; category-1 local; implies max_locals is at least two more than the given local number
static final int	FMT_LOCAL_2	"m": op local; category-2 local; implies max_locals is at least two more than the given local number
static final int	FMT_LOOKUPSWITCH	"U": lookupswitch ...
static final int	FMT_MASK	mask for the bits representing the opcode format
static final int	FMT_MULTIANEWARRAY	"M": multianewarray cpi cpi dims
static final int	FMT_NO_ARGS	"-": op
static final int	FMT_NO_ARGS_LOCALS_1	"0": op; implies max_locals >= 1
static final int	FMT_NO_ARGS_LOCALS_2	"1": op; implies max_locals >= 2
static final int	FMT_NO_ARGS_LOCALS_3	"2": op; implies max_locals >= 3
static final int	FMT_NO_ARGS_LOCALS_4	"3": op; implies max_locals >= 4
static final int	FMT_NO_ARGS_LOCALS_5	"4": op; implies max_locals >= 5
static final int	FMT_SIPUSH	"S": sipush #byte #byte
static final int	FMT_TABLESWITCH	"T": tableswitch ...
static final int	FMT_WIDE	"W": wide ...
static final int	FMT_WIDE_BRANCH	"c": op target target target target
static final int	FMUL
static final int	FNEG
static final int	FREM
static final int	FRETURN
static final int	FSTORE
static final int	FSTORE_0
static final int	FSTORE_1
static final int	FSTORE_2
static final int	FSTORE_3
static final int	FSUB
static final int	GETFIELD
static final int	GETSTATIC
static final int	GOTO
static final int	GOTO_W
static final int	I2B
static final int	I2C
static final int	I2D
static final int	I2F
static final int	I2L
static final int	I2S
static final int	IADD
static final int	IALOAD
static final int	IAND
static final int	IASTORE
static final int	ICONST_0
static final int	ICONST_1
static final int	ICONST_2
static final int	ICONST_3
static final int	ICONST_4
static final int	ICONST_5
static final int	ICONST_M1
static final int	IDIV
static final int	IF_ACMPEQ
static final int	IF_ACMPNE
static final int	IF_ICMPEQ
static final int	IF_ICMPGE
static final int	IF_ICMPGT
static final int	IF_ICMPLE
static final int	IF_ICMPLT
static final int	IF_ICMPNE
static final int	IFEQ
static final int	IFGE
static final int	IFGT
static final int	IFLE
static final int	IFLT
static final int	IFNE
static final int	IFNONNULL
static final int	IFNULL
static final int	IINC
static final int	ILOAD
static final int	ILOAD_0
static final int	ILOAD_1
static final int	ILOAD_2
static final int	ILOAD_3
static final int	IMUL
static final int	INEG
static final int	INSTANCEOF
static final int	INVOKEDYNAMIC
static final int	INVOKEINTERFACE
static final int	INVOKESPECIAL
static final int	INVOKESTATIC
static final int	INVOKEVIRTUAL
static final int	IOR
static final int	IREM
static final int	IRETURN
static final int	ISHL
static final int	ISHR
static final int	ISTORE
static final int	ISTORE_0
static final int	ISTORE_1
static final int	ISTORE_2
static final int	ISTORE_3
static final int	ISUB
static final int	IUSHR
static final int	IXOR
static final int	JSR
static final int	JSR_W
static final int	L2D
static final int	L2F
static final int	L2I
static final int	LADD
static final int	LALOAD
static final int	LAND
static final int	LASTORE
static final int	LCMP
static final int	LCONST_0
static final int	LCONST_1
static final int	LDC
static final int	LDC_W
static final int	LDC2_W
static final int	LDIV
static final int	LLOAD
static final int	LLOAD_0
static final int	LLOAD_1
static final int	LLOAD_2
static final int	LLOAD_3
static final int	LMUL
static final int	LNEG
static final int	LOOKUPSWITCH
static final int	LOR
static final int	LREM
static final int	LRETURN
static final int	LSHL
static final int	LSHR
static final int	LSTORE
static final int	LSTORE_0
static final int	LSTORE_1
static final int	LSTORE_2
static final int	LSTORE_3
static final int	LSUB
static final int	LUSHR
static final int	LXOR
static final int	MONITORENTER
static final int	MONITOREXIT
static final int	MULTIANEWARRAY
static final int	NEW
static final int	NEWARRAY
static final int	NEWARRAY_BOOLEAN
static final int	NEWARRAY_BYTE
static final int	NEWARRAY_CHAR
static final int	NEWARRAY_DOUBLE
static final int	NEWARRAY_FLOAT
static final int	NEWARRAY_INT
static final int	NEWARRAY_LONG
static final int	NEWARRAY_SHORT
static final int	NOP
static final int	POP
static final int	POP2
static final int	PUTFIELD
static final int	PUTSTATIC
static final int	RET
static final int	RETURN
static final int	SALOAD
static final int	SASTORE
static final int	SIPUSH
static final int	SWAP
static final int	TABLESWITCH
static final int	WIDE

Method Summary

Modifier and Type	Method	Description
static int	opInfo(int opcode)	Gets the format and allowed cp types of the given opcode.
static String	opName(int opcode)	Gets the name of the given opcode.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

NOP

public static final int NOP

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• Constant Field Values

ACONST_NULL

public static final int ACONST_NULL

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ICONST_M1

public static final int ICONST_M1

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ICONST_0

public static final int ICONST_0

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ICONST_1

public static final int ICONST_1

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ICONST_2

public static final int ICONST_2

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ICONST_3

public static final int ICONST_3

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ICONST_4

public static final int ICONST_4

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ICONST_5

public static final int ICONST_5

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LCONST_0

public static final int LCONST_0

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LCONST_1

public static final int LCONST_1

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FCONST_0

public static final int FCONST_0

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FCONST_1

public static final int FCONST_1

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FCONST_2

public static final int FCONST_2

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DCONST_0

public static final int DCONST_0

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DCONST_1

public static final int DCONST_1

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BIPUSH

public static final int BIPUSH

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SIPUSH

public static final int SIPUSH

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LDC

public static final int LDC

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LDC_W

public static final int LDC_W

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LDC2_W

public static final int LDC2_W

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ILOAD

public static final int ILOAD

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LLOAD

public static final int LLOAD

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FLOAD

public static final int FLOAD

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DLOAD

public static final int DLOAD

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ALOAD

public static final int ALOAD

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ILOAD_0

public static final int ILOAD_0

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ILOAD_1

public static final int ILOAD_1

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ILOAD_2

public static final int ILOAD_2

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ILOAD_3

public static final int ILOAD_3

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LLOAD_0

public static final int LLOAD_0

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LLOAD_1

public static final int LLOAD_1

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LLOAD_2

public static final int LLOAD_2

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LLOAD_3

public static final int LLOAD_3

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FLOAD_0

public static final int FLOAD_0

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FLOAD_1

public static final int FLOAD_1

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FLOAD_2

public static final int FLOAD_2

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FLOAD_3

public static final int FLOAD_3

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DLOAD_0

public static final int DLOAD_0

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DLOAD_1

public static final int DLOAD_1

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DLOAD_2

public static final int DLOAD_2

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DLOAD_3

public static final int DLOAD_3

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ALOAD_0

public static final int ALOAD_0

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ALOAD_1

public static final int ALOAD_1

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ALOAD_2

public static final int ALOAD_2

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ALOAD_3

public static final int ALOAD_3

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IALOAD

public static final int IALOAD

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LALOAD

public static final int LALOAD

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FALOAD

public static final int FALOAD

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DALOAD

public static final int DALOAD

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AALOAD

public static final int AALOAD

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BALOAD

public static final int BALOAD

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CALOAD

public static final int CALOAD

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SALOAD

public static final int SALOAD

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ISTORE

public static final int ISTORE

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LSTORE

public static final int LSTORE

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FSTORE

public static final int FSTORE

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DSTORE

public static final int DSTORE

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ASTORE

public static final int ASTORE

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ISTORE_0

public static final int ISTORE_0

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ISTORE_1

public static final int ISTORE_1

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ISTORE_2

public static final int ISTORE_2

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ISTORE_3

public static final int ISTORE_3

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LSTORE_0

public static final int LSTORE_0

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LSTORE_1

public static final int LSTORE_1

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LSTORE_2

public static final int LSTORE_2

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LSTORE_3

public static final int LSTORE_3

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FSTORE_0

public static final int FSTORE_0

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FSTORE_1

public static final int FSTORE_1

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FSTORE_2

public static final int FSTORE_2

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FSTORE_3

public static final int FSTORE_3

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DSTORE_0

public static final int DSTORE_0

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DSTORE_1

public static final int DSTORE_1

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DSTORE_2

public static final int DSTORE_2

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DSTORE_3

public static final int DSTORE_3

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ASTORE_0

public static final int ASTORE_0

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ASTORE_1

public static final int ASTORE_1

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ASTORE_2

public static final int ASTORE_2

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ASTORE_3

public static final int ASTORE_3

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IASTORE

public static final int IASTORE

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LASTORE

public static final int LASTORE

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FASTORE

public static final int FASTORE

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DASTORE

public static final int DASTORE

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AASTORE

public static final int AASTORE

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BASTORE

public static final int BASTORE

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CASTORE

public static final int CASTORE

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SASTORE

public static final int SASTORE

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POP

public static final int POP

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POP2

public static final int POP2

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DUP

public static final int DUP

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DUP_X1

public static final int DUP_X1

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DUP_X2

public static final int DUP_X2

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DUP2

public static final int DUP2

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DUP2_X1

public static final int DUP2_X1

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DUP2_X2

public static final int DUP2_X2

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SWAP

public static final int SWAP

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IADD

public static final int IADD

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LADD

public static final int LADD

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FADD

public static final int FADD

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DADD

public static final int DADD

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ISUB

public static final int ISUB

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LSUB

public static final int LSUB

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FSUB

public static final int FSUB

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DSUB

public static final int DSUB

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IMUL

public static final int IMUL

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LMUL

public static final int LMUL

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FMUL

public static final int FMUL

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DMUL

public static final int DMUL

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IDIV

public static final int IDIV

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LDIV

public static final int LDIV

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FDIV

public static final int FDIV

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DDIV

public static final int DDIV

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IREM

public static final int IREM

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LREM

public static final int LREM

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FREM

public static final int FREM

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DREM

public static final int DREM

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INEG

public static final int INEG

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LNEG

public static final int LNEG

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FNEG

public static final int FNEG

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DNEG

public static final int DNEG

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ISHL

public static final int ISHL

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LSHL

public static final int LSHL

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ISHR

public static final int ISHR

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LSHR

public static final int LSHR

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IUSHR

public static final int IUSHR

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LUSHR

public static final int LUSHR

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IAND

public static final int IAND

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LAND

public static final int LAND

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IOR

public static final int IOR

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LOR

public static final int LOR

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IXOR

public static final int IXOR

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LXOR

public static final int LXOR

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IINC

public static final int IINC

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I2L

public static final int I2L

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I2F

public static final int I2F

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I2D

public static final int I2D

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L2I

public static final int L2I

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L2F

public static final int L2F

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L2D

public static final int L2D

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F2I

public static final int F2I

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F2L

public static final int F2L

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F2D

public static final int F2D

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D2I

public static final int D2I

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D2L

public static final int D2L

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D2F

public static final int D2F

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I2B

public static final int I2B

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I2C

public static final int I2C

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I2S

public static final int I2S

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LCMP

public static final int LCMP

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FCMPL

public static final int FCMPL

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FCMPG

public static final int FCMPG

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DCMPL

public static final int DCMPL

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DCMPG

public static final int DCMPG

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IFEQ

public static final int IFEQ

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IFNE

public static final int IFNE

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IFLT

public static final int IFLT

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IFGE

public static final int IFGE

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IFGT

public static final int IFGT

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IFLE

public static final int IFLE

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IF_ICMPEQ

public static final int IF_ICMPEQ

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IF_ICMPNE

public static final int IF_ICMPNE

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IF_ICMPLT

public static final int IF_ICMPLT

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IF_ICMPGE

public static final int IF_ICMPGE

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IF_ICMPGT

public static final int IF_ICMPGT

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IF_ICMPLE

public static final int IF_ICMPLE

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IF_ACMPEQ

public static final int IF_ACMPEQ

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IF_ACMPNE

public static final int IF_ACMPNE

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GOTO

public static final int GOTO

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JSR

public static final int JSR

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RET

public static final int RET

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TABLESWITCH

public static final int TABLESWITCH

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• Constant Field Values

LOOKUPSWITCH

public static final int LOOKUPSWITCH

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IRETURN

public static final int IRETURN

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LRETURN

public static final int LRETURN

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FRETURN

public static final int FRETURN

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DRETURN

public static final int DRETURN

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ARETURN

public static final int ARETURN

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RETURN

public static final int RETURN

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GETSTATIC

public static final int GETSTATIC

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PUTSTATIC

public static final int PUTSTATIC

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GETFIELD

public static final int GETFIELD

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PUTFIELD

public static final int PUTFIELD

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• Constant Field Values

INVOKEVIRTUAL

public static final int INVOKEVIRTUAL

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INVOKESPECIAL

public static final int INVOKESPECIAL

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INVOKESTATIC

public static final int INVOKESTATIC

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INVOKEINTERFACE

public static final int INVOKEINTERFACE

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INVOKEDYNAMIC

public static final int INVOKEDYNAMIC

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NEW

public static final int NEW

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NEWARRAY

public static final int NEWARRAY

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ANEWARRAY

public static final int ANEWARRAY

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ARRAYLENGTH

public static final int ARRAYLENGTH

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ATHROW

public static final int ATHROW

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CHECKCAST

public static final int CHECKCAST

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• Constant Field Values

INSTANCEOF

public static final int INSTANCEOF

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• Constant Field Values

MONITORENTER

public static final int MONITORENTER

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• Constant Field Values

MONITOREXIT

public static final int MONITOREXIT

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• Constant Field Values

WIDE

public static final int WIDE

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• Constant Field Values

MULTIANEWARRAY

public static final int MULTIANEWARRAY

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• Constant Field Values

IFNULL

public static final int IFNULL

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• Constant Field Values

IFNONNULL

public static final int IFNONNULL

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• Constant Field Values

GOTO_W

public static final int GOTO_W

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• Constant Field Values

JSR_W

public static final int JSR_W

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• Constant Field Values

NEWARRAY_BOOLEAN

public static final int NEWARRAY_BOOLEAN

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NEWARRAY_CHAR

public static final int NEWARRAY_CHAR

See Also:

• Constant Field Values

NEWARRAY_FLOAT

public static final int NEWARRAY_FLOAT

See Also:

• Constant Field Values

NEWARRAY_DOUBLE

public static final int NEWARRAY_DOUBLE

See Also:

• Constant Field Values

NEWARRAY_BYTE

public static final int NEWARRAY_BYTE

See Also:

• Constant Field Values

NEWARRAY_SHORT

public static final int NEWARRAY_SHORT

See Also:

• Constant Field Values

NEWARRAY_INT

public static final int NEWARRAY_INT

See Also:

• Constant Field Values

NEWARRAY_LONG

public static final int NEWARRAY_LONG

See Also:

• Constant Field Values

FMT_INVALID

public static final int FMT_INVALID

invalid

See Also:

• Constant Field Values

FMT_NO_ARGS

public static final int FMT_NO_ARGS

"-": op

See Also:

• Constant Field Values

FMT_NO_ARGS_LOCALS_1

public static final int FMT_NO_ARGS_LOCALS_1

"0": op; implies max_locals >= 1

See Also:

• Constant Field Values

FMT_NO_ARGS_LOCALS_2

public static final int FMT_NO_ARGS_LOCALS_2

"1": op; implies max_locals >= 2

See Also:

• Constant Field Values

FMT_NO_ARGS_LOCALS_3

public static final int FMT_NO_ARGS_LOCALS_3

"2": op; implies max_locals >= 3

See Also:

• Constant Field Values

FMT_NO_ARGS_LOCALS_4

public static final int FMT_NO_ARGS_LOCALS_4

"3": op; implies max_locals >= 4

See Also:

• Constant Field Values

FMT_NO_ARGS_LOCALS_5

public static final int FMT_NO_ARGS_LOCALS_5

"4": op; implies max_locals >= 5

See Also:

• Constant Field Values

FMT_BRANCH

public static final int FMT_BRANCH

"b": op target target

See Also:

• Constant Field Values

FMT_WIDE_BRANCH

public static final int FMT_WIDE_BRANCH

"c": op target target target target

See Also:

• Constant Field Values

FMT_CPI

public static final int FMT_CPI

"p": op #cpi #cpi; constant restricted as specified

See Also:

• Constant Field Values

FMT_LOCAL_1

public static final int FMT_LOCAL_1

"l": op local; category-1 local; implies max_locals is at least two more than the given local number

See Also:

• Constant Field Values

FMT_LOCAL_2

public static final int FMT_LOCAL_2

"m": op local; category-2 local; implies max_locals is at least two more than the given local number

See Also:

• Constant Field Values

FMT_LITERAL_BYTE

public static final int FMT_LITERAL_BYTE

"y": op #byte (bipush and newarray)

See Also:

• Constant Field Values

FMT_INVOKEINTERFACE

public static final int FMT_INVOKEINTERFACE

"I": invokeinterface cpi cpi count 0

See Also:

• Constant Field Values

FMT_LDC

public static final int FMT_LDC

"L": ldc #cpi; constant restricted as specified

See Also:

• Constant Field Values

FMT_SIPUSH

public static final int FMT_SIPUSH

"S": sipush #byte #byte

See Also:

• Constant Field Values

FMT_TABLESWITCH

public static final int FMT_TABLESWITCH

"T": tableswitch ...

See Also:

• Constant Field Values

FMT_LOOKUPSWITCH

public static final int FMT_LOOKUPSWITCH

"U": lookupswitch ...

See Also:

• Constant Field Values

FMT_MULTIANEWARRAY

public static final int FMT_MULTIANEWARRAY

"M": multianewarray cpi cpi dims

See Also:

• Constant Field Values

FMT_WIDE

public static final int FMT_WIDE

"W": wide ...

See Also:

• Constant Field Values

FMT_MASK

public static final int FMT_MASK

mask for the bits representing the opcode format

See Also:

• Constant Field Values

CPOK_Integer

public static final int CPOK_Integer

"I": flag bit for valid cp type for Integer

See Also:

• Constant Field Values

CPOK_Float

public static final int CPOK_Float

"F": flag bit for valid cp type for Float

See Also:

• Constant Field Values

CPOK_Long

public static final int CPOK_Long

"J": flag bit for valid cp type for Long

See Also:

• Constant Field Values

CPOK_Double

public static final int CPOK_Double

"D": flag bit for valid cp type for Double

See Also:

• Constant Field Values

CPOK_Class

public static final int CPOK_Class

"c": flag bit for valid cp type for Class

See Also:

• Constant Field Values

CPOK_String

public static final int CPOK_String

"s": flag bit for valid cp type for String

See Also:

• Constant Field Values

CPOK_Fieldref

public static final int CPOK_Fieldref

"f": flag bit for valid cp type for Fieldref

See Also:

• Constant Field Values

CPOK_Methodref

public static final int CPOK_Methodref

"m": flag bit for valid cp type for Methodref

See Also:

• Constant Field Values

CPOK_InterfaceMethodref

public static final int CPOK_InterfaceMethodref

"i": flag bit for valid cp type for InterfaceMethodref

See Also:

• Constant Field Values

Method Details

opName

public static String opName(int opcode)

Gets the name of the given opcode.

Parameters:

opcode - >= 0, <= 255; the opcode

Returns:

non-null; its name

opInfo

public static int opInfo(int opcode)

Gets the format and allowed cp types of the given opcode.

Parameters:

opcode - >= 0, <= 255; the opcode

Returns:

its format and allowed cp types