com.android.dx.io
Class Opcodes

java.lang.Object
  com.android.dx.io.Opcodes

public final class Opcodes
extends Object

All the Dalvik opcode value constants. See the related spec document for the meaning and instruction format of each opcode.

Field Summary

static int	ADD_DOUBLE
static int	ADD_DOUBLE_2ADDR
static int	ADD_FLOAT
static int	ADD_FLOAT_2ADDR
static int	ADD_INT
static int	ADD_INT_2ADDR
static int	ADD_INT_LIT16
static int	ADD_INT_LIT8
static int	ADD_LONG
static int	ADD_LONG_2ADDR
static int	AGET
static int	AGET_BOOLEAN
static int	AGET_BYTE
static int	AGET_CHAR
static int	AGET_OBJECT
static int	AGET_SHORT
static int	AGET_WIDE
static int	AND_INT
static int	AND_INT_2ADDR
static int	AND_INT_LIT16
static int	AND_INT_LIT8
static int	AND_LONG
static int	AND_LONG_2ADDR
static int	APUT
static int	APUT_BOOLEAN
static int	APUT_BYTE
static int	APUT_CHAR
static int	APUT_OBJECT
static int	APUT_SHORT
static int	APUT_WIDE
static int	ARRAY_LENGTH
static int	CHECK_CAST
static int	CHECK_CAST_JUMBO
static int	CMP_LONG
static int	CMPG_DOUBLE
static int	CMPG_FLOAT
static int	CMPL_DOUBLE
static int	CMPL_FLOAT
static int	CONST
static int	CONST_16
static int	CONST_4
static int	CONST_CLASS
static int	CONST_CLASS_JUMBO
static int	CONST_HIGH16
static int	CONST_STRING
static int	CONST_STRING_JUMBO
static int	CONST_WIDE
static int	CONST_WIDE_16
static int	CONST_WIDE_32
static int	CONST_WIDE_HIGH16
static int	DIV_DOUBLE
static int	DIV_DOUBLE_2ADDR
static int	DIV_FLOAT
static int	DIV_FLOAT_2ADDR
static int	DIV_INT
static int	DIV_INT_2ADDR
static int	DIV_INT_LIT16
static int	DIV_INT_LIT8
static int	DIV_LONG
static int	DIV_LONG_2ADDR
static int	DOUBLE_TO_FLOAT
static int	DOUBLE_TO_INT
static int	DOUBLE_TO_LONG
static int	FILL_ARRAY_DATA
static int	FILL_ARRAY_DATA_PAYLOAD special pseudo-opcode value for fill-array-data data payload instructions
static int	FILLED_NEW_ARRAY
static int	FILLED_NEW_ARRAY_JUMBO
static int	FILLED_NEW_ARRAY_RANGE
static int	FLOAT_TO_DOUBLE
static int	FLOAT_TO_INT
static int	FLOAT_TO_LONG
static int	GOTO
static int	GOTO_16
static int	GOTO_32
static int	IF_EQ
static int	IF_EQZ
static int	IF_GE
static int	IF_GEZ
static int	IF_GT
static int	IF_GTZ
static int	IF_LE
static int	IF_LEZ
static int	IF_LT
static int	IF_LTZ
static int	IF_NE
static int	IF_NEZ
static int	IGET
static int	IGET_BOOLEAN
static int	IGET_BOOLEAN_JUMBO
static int	IGET_BYTE
static int	IGET_BYTE_JUMBO
static int	IGET_CHAR
static int	IGET_CHAR_JUMBO
static int	IGET_JUMBO
static int	IGET_OBJECT
static int	IGET_OBJECT_JUMBO
static int	IGET_SHORT
static int	IGET_SHORT_JUMBO
static int	IGET_WIDE
static int	IGET_WIDE_JUMBO
static int	INSTANCE_OF
static int	INSTANCE_OF_JUMBO
static int	INT_TO_BYTE
static int	INT_TO_CHAR
static int	INT_TO_DOUBLE
static int	INT_TO_FLOAT
static int	INT_TO_LONG
static int	INT_TO_SHORT
static int	INVOKE_DIRECT
static int	INVOKE_DIRECT_JUMBO
static int	INVOKE_DIRECT_RANGE
static int	INVOKE_INTERFACE
static int	INVOKE_INTERFACE_JUMBO
static int	INVOKE_INTERFACE_RANGE
static int	INVOKE_STATIC
static int	INVOKE_STATIC_JUMBO
static int	INVOKE_STATIC_RANGE
static int	INVOKE_SUPER
static int	INVOKE_SUPER_JUMBO
static int	INVOKE_SUPER_RANGE
static int	INVOKE_VIRTUAL
static int	INVOKE_VIRTUAL_JUMBO
static int	INVOKE_VIRTUAL_RANGE
static int	IPUT
static int	IPUT_BOOLEAN
static int	IPUT_BOOLEAN_JUMBO
static int	IPUT_BYTE
static int	IPUT_BYTE_JUMBO
static int	IPUT_CHAR
static int	IPUT_CHAR_JUMBO
static int	IPUT_JUMBO
static int	IPUT_OBJECT
static int	IPUT_OBJECT_JUMBO
static int	IPUT_SHORT
static int	IPUT_SHORT_JUMBO
static int	IPUT_WIDE
static int	IPUT_WIDE_JUMBO
static int	LONG_TO_DOUBLE
static int	LONG_TO_FLOAT
static int	LONG_TO_INT
static int	MAX_VALUE maximum valid opcode value
static int	MIN_VALUE minimum valid opcode value
static int	MONITOR_ENTER
static int	MONITOR_EXIT
static int	MOVE
static int	MOVE_16
static int	MOVE_EXCEPTION
static int	MOVE_FROM16
static int	MOVE_OBJECT
static int	MOVE_OBJECT_16
static int	MOVE_OBJECT_FROM16
static int	MOVE_RESULT
static int	MOVE_RESULT_OBJECT
static int	MOVE_RESULT_WIDE
static int	MOVE_WIDE
static int	MOVE_WIDE_16
static int	MOVE_WIDE_FROM16
static int	MUL_DOUBLE
static int	MUL_DOUBLE_2ADDR
static int	MUL_FLOAT
static int	MUL_FLOAT_2ADDR
static int	MUL_INT
static int	MUL_INT_2ADDR
static int	MUL_INT_LIT16
static int	MUL_INT_LIT8
static int	MUL_LONG
static int	MUL_LONG_2ADDR
static int	NEG_DOUBLE
static int	NEG_FLOAT
static int	NEG_INT
static int	NEG_LONG
static int	NEW_ARRAY
static int	NEW_ARRAY_JUMBO
static int	NEW_INSTANCE
static int	NEW_INSTANCE_JUMBO
static int	NO_NEXT pseudo-opcode used to indicate there is no next opcode; used in opcode chaining lists
static int	NOP
static int	NOT_INT
static int	NOT_LONG
static int	OR_INT
static int	OR_INT_2ADDR
static int	OR_INT_LIT16
static int	OR_INT_LIT8
static int	OR_LONG
static int	OR_LONG_2ADDR
static int	PACKED_SWITCH
static int	PACKED_SWITCH_PAYLOAD special pseudo-opcode value for packed-switch data payload instructions
static int	REM_DOUBLE
static int	REM_DOUBLE_2ADDR
static int	REM_FLOAT
static int	REM_FLOAT_2ADDR
static int	REM_INT
static int	REM_INT_2ADDR
static int	REM_INT_LIT16
static int	REM_INT_LIT8
static int	REM_LONG
static int	REM_LONG_2ADDR
static int	RETURN
static int	RETURN_OBJECT
static int	RETURN_VOID
static int	RETURN_WIDE
static int	RSUB_INT
static int	RSUB_INT_LIT8
static int	SGET
static int	SGET_BOOLEAN
static int	SGET_BOOLEAN_JUMBO
static int	SGET_BYTE
static int	SGET_BYTE_JUMBO
static int	SGET_CHAR
static int	SGET_CHAR_JUMBO
static int	SGET_JUMBO
static int	SGET_OBJECT
static int	SGET_OBJECT_JUMBO
static int	SGET_SHORT
static int	SGET_SHORT_JUMBO
static int	SGET_WIDE
static int	SGET_WIDE_JUMBO
static int	SHL_INT
static int	SHL_INT_2ADDR
static int	SHL_INT_LIT8
static int	SHL_LONG
static int	SHL_LONG_2ADDR
static int	SHR_INT
static int	SHR_INT_2ADDR
static int	SHR_INT_LIT8
static int	SHR_LONG
static int	SHR_LONG_2ADDR
static int	SPARSE_SWITCH
static int	SPARSE_SWITCH_PAYLOAD special pseudo-opcode value for packed-switch data payload instructions
static int	SPECIAL_FORMAT pseudo-opcode used for nonstandard format payload "instructions".
static int	SPUT
static int	SPUT_BOOLEAN
static int	SPUT_BOOLEAN_JUMBO
static int	SPUT_BYTE
static int	SPUT_BYTE_JUMBO
static int	SPUT_CHAR
static int	SPUT_CHAR_JUMBO
static int	SPUT_JUMBO
static int	SPUT_OBJECT
static int	SPUT_OBJECT_JUMBO
static int	SPUT_SHORT
static int	SPUT_SHORT_JUMBO
static int	SPUT_WIDE
static int	SPUT_WIDE_JUMBO
static int	SUB_DOUBLE
static int	SUB_DOUBLE_2ADDR
static int	SUB_FLOAT
static int	SUB_FLOAT_2ADDR
static int	SUB_INT
static int	SUB_INT_2ADDR
static int	SUB_LONG
static int	SUB_LONG_2ADDR
static int	THROW
static int	USHR_INT
static int	USHR_INT_2ADDR
static int	USHR_INT_LIT8
static int	USHR_LONG
static int	USHR_LONG_2ADDR
static int	XOR_INT
static int	XOR_INT_2ADDR
static int	XOR_INT_LIT16
static int	XOR_INT_LIT8
static int	XOR_LONG
static int	XOR_LONG_2ADDR

Method Summary

static int	extractOpcodeFromUnit(int opcodeUnit) Gets the opcode out of an opcode unit, the latter of which may also include one or more argument values.
static boolean	isExtended(int opcode) Gets whether (true) or not (false) the given opcode value is an "extended" opcode (not counting the nop-like payload opcodes).
static boolean	isValidShape(int opcode) Determines if the given opcode has the right "shape" to be valid.

Methods inherited from class java.lang.Object

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

Field Detail

SPECIAL_FORMAT

public static final int SPECIAL_FORMAT

pseudo-opcode used for nonstandard format payload "instructions". TODO: Retire this concept, and start treating the payload instructions more like the rest.

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Constant Field Values

NO_NEXT

public static final int NO_NEXT

pseudo-opcode used to indicate there is no next opcode; used in opcode chaining lists

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Constant Field Values

MIN_VALUE

public static final int MIN_VALUE

minimum valid opcode value

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Constant Field Values

MAX_VALUE

public static final int MAX_VALUE

maximum valid opcode value

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NOP

public static final int NOP

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Constant Field Values

MOVE

public static final int MOVE

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Constant Field Values

MOVE_FROM16

public static final int MOVE_FROM16

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MOVE_16

public static final int MOVE_16

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MOVE_WIDE

public static final int MOVE_WIDE

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MOVE_WIDE_FROM16

public static final int MOVE_WIDE_FROM16

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MOVE_WIDE_16

public static final int MOVE_WIDE_16

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MOVE_OBJECT

public static final int MOVE_OBJECT

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MOVE_OBJECT_FROM16

public static final int MOVE_OBJECT_FROM16

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MOVE_OBJECT_16

public static final int MOVE_OBJECT_16

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MOVE_RESULT

public static final int MOVE_RESULT

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MOVE_RESULT_WIDE

public static final int MOVE_RESULT_WIDE

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MOVE_RESULT_OBJECT

public static final int MOVE_RESULT_OBJECT

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MOVE_EXCEPTION

public static final int MOVE_EXCEPTION

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RETURN_VOID

public static final int RETURN_VOID

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RETURN

public static final int RETURN

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RETURN_WIDE

public static final int RETURN_WIDE

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RETURN_OBJECT

public static final int RETURN_OBJECT

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CONST_4

public static final int CONST_4

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CONST_16

public static final int CONST_16

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CONST

public static final int CONST

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CONST_HIGH16

public static final int CONST_HIGH16

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CONST_WIDE_16

public static final int CONST_WIDE_16

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CONST_WIDE_32

public static final int CONST_WIDE_32

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CONST_WIDE

public static final int CONST_WIDE

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CONST_WIDE_HIGH16

public static final int CONST_WIDE_HIGH16

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CONST_STRING

public static final int CONST_STRING

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CONST_STRING_JUMBO

public static final int CONST_STRING_JUMBO

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CONST_CLASS

public static final int CONST_CLASS

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MONITOR_ENTER

public static final int MONITOR_ENTER

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MONITOR_EXIT

public static final int MONITOR_EXIT

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CHECK_CAST

public static final int CHECK_CAST

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INSTANCE_OF

public static final int INSTANCE_OF

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ARRAY_LENGTH

public static final int ARRAY_LENGTH

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NEW_INSTANCE

public static final int NEW_INSTANCE

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NEW_ARRAY

public static final int NEW_ARRAY

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FILLED_NEW_ARRAY

public static final int FILLED_NEW_ARRAY

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FILLED_NEW_ARRAY_RANGE

public static final int FILLED_NEW_ARRAY_RANGE

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FILL_ARRAY_DATA

public static final int FILL_ARRAY_DATA

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THROW

public static final int THROW

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GOTO

public static final int GOTO

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GOTO_16

public static final int GOTO_16

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GOTO_32

public static final int GOTO_32

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PACKED_SWITCH

public static final int PACKED_SWITCH

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SPARSE_SWITCH

public static final int SPARSE_SWITCH

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CMPL_FLOAT

public static final int CMPL_FLOAT

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CMPG_FLOAT

public static final int CMPG_FLOAT

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CMPL_DOUBLE

public static final int CMPL_DOUBLE

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CMPG_DOUBLE

public static final int CMPG_DOUBLE

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CMP_LONG

public static final int CMP_LONG

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IF_EQ

public static final int IF_EQ

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IF_NE

public static final int IF_NE

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IF_LT

public static final int IF_LT

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IF_GE

public static final int IF_GE

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IF_GT

public static final int IF_GT

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IF_LE

public static final int IF_LE

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IF_EQZ

public static final int IF_EQZ

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IF_NEZ

public static final int IF_NEZ

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IF_LTZ

public static final int IF_LTZ

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IF_GEZ

public static final int IF_GEZ

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IF_GTZ

public static final int IF_GTZ

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IF_LEZ

public static final int IF_LEZ

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AGET

public static final int AGET

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AGET_WIDE

public static final int AGET_WIDE

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AGET_OBJECT

public static final int AGET_OBJECT

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AGET_BOOLEAN

public static final int AGET_BOOLEAN

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AGET_BYTE

public static final int AGET_BYTE

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AGET_CHAR

public static final int AGET_CHAR

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AGET_SHORT

public static final int AGET_SHORT

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APUT

public static final int APUT

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APUT_WIDE

public static final int APUT_WIDE

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APUT_OBJECT

public static final int APUT_OBJECT

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APUT_BOOLEAN

public static final int APUT_BOOLEAN

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APUT_BYTE

public static final int APUT_BYTE

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APUT_CHAR

public static final int APUT_CHAR

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APUT_SHORT

public static final int APUT_SHORT

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IGET

public static final int IGET

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IGET_WIDE

public static final int IGET_WIDE

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IGET_OBJECT

public static final int IGET_OBJECT

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IGET_BOOLEAN

public static final int IGET_BOOLEAN

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IGET_BYTE

public static final int IGET_BYTE

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IGET_CHAR

public static final int IGET_CHAR

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IGET_SHORT

public static final int IGET_SHORT

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IPUT

public static final int IPUT

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IPUT_WIDE

public static final int IPUT_WIDE

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IPUT_OBJECT

public static final int IPUT_OBJECT

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IPUT_BOOLEAN

public static final int IPUT_BOOLEAN

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IPUT_BYTE

public static final int IPUT_BYTE

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IPUT_CHAR

public static final int IPUT_CHAR

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IPUT_SHORT

public static final int IPUT_SHORT

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SGET

public static final int SGET

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SGET_WIDE

public static final int SGET_WIDE

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SGET_OBJECT

public static final int SGET_OBJECT

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SGET_BOOLEAN

public static final int SGET_BOOLEAN

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SGET_BYTE

public static final int SGET_BYTE

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SGET_CHAR

public static final int SGET_CHAR

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SGET_SHORT

public static final int SGET_SHORT

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SPUT

public static final int SPUT

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SPUT_WIDE

public static final int SPUT_WIDE

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SPUT_OBJECT

public static final int SPUT_OBJECT

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SPUT_BOOLEAN

public static final int SPUT_BOOLEAN

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SPUT_BYTE

public static final int SPUT_BYTE

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SPUT_CHAR

public static final int SPUT_CHAR

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SPUT_SHORT

public static final int SPUT_SHORT

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INVOKE_VIRTUAL

public static final int INVOKE_VIRTUAL

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INVOKE_SUPER

public static final int INVOKE_SUPER

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INVOKE_DIRECT

public static final int INVOKE_DIRECT

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INVOKE_STATIC

public static final int INVOKE_STATIC

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INVOKE_INTERFACE

public static final int INVOKE_INTERFACE

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INVOKE_VIRTUAL_RANGE

public static final int INVOKE_VIRTUAL_RANGE

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INVOKE_SUPER_RANGE

public static final int INVOKE_SUPER_RANGE

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INVOKE_DIRECT_RANGE

public static final int INVOKE_DIRECT_RANGE

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INVOKE_STATIC_RANGE

public static final int INVOKE_STATIC_RANGE

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INVOKE_INTERFACE_RANGE

public static final int INVOKE_INTERFACE_RANGE

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NEG_INT

public static final int NEG_INT

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NOT_INT

public static final int NOT_INT

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NEG_LONG

public static final int NEG_LONG

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NOT_LONG

public static final int NOT_LONG

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NEG_FLOAT

public static final int NEG_FLOAT

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NEG_DOUBLE

public static final int NEG_DOUBLE

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INT_TO_LONG

public static final int INT_TO_LONG

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INT_TO_FLOAT

public static final int INT_TO_FLOAT

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INT_TO_DOUBLE

public static final int INT_TO_DOUBLE

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LONG_TO_INT

public static final int LONG_TO_INT

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LONG_TO_FLOAT

public static final int LONG_TO_FLOAT

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LONG_TO_DOUBLE

public static final int LONG_TO_DOUBLE

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FLOAT_TO_INT

public static final int FLOAT_TO_INT

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FLOAT_TO_LONG

public static final int FLOAT_TO_LONG

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FLOAT_TO_DOUBLE

public static final int FLOAT_TO_DOUBLE

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DOUBLE_TO_INT

public static final int DOUBLE_TO_INT

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DOUBLE_TO_LONG

public static final int DOUBLE_TO_LONG

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DOUBLE_TO_FLOAT

public static final int DOUBLE_TO_FLOAT

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INT_TO_BYTE

public static final int INT_TO_BYTE

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INT_TO_CHAR

public static final int INT_TO_CHAR

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INT_TO_SHORT

public static final int INT_TO_SHORT

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ADD_INT

public static final int ADD_INT

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SUB_INT

public static final int SUB_INT

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MUL_INT

public static final int MUL_INT

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DIV_INT

public static final int DIV_INT

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REM_INT

public static final int REM_INT

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AND_INT

public static final int AND_INT

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OR_INT

public static final int OR_INT

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XOR_INT

public static final int XOR_INT

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SHL_INT

public static final int SHL_INT

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SHR_INT

public static final int SHR_INT

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USHR_INT

public static final int USHR_INT

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ADD_LONG

public static final int ADD_LONG

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SUB_LONG

public static final int SUB_LONG

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MUL_LONG

public static final int MUL_LONG

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DIV_LONG

public static final int DIV_LONG

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REM_LONG

public static final int REM_LONG

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AND_LONG

public static final int AND_LONG

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OR_LONG

public static final int OR_LONG

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XOR_LONG

public static final int XOR_LONG

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SHL_LONG

public static final int SHL_LONG

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SHR_LONG

public static final int SHR_LONG

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USHR_LONG

public static final int USHR_LONG

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ADD_FLOAT

public static final int ADD_FLOAT

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SUB_FLOAT

public static final int SUB_FLOAT

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MUL_FLOAT

public static final int MUL_FLOAT

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DIV_FLOAT

public static final int DIV_FLOAT

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REM_FLOAT

public static final int REM_FLOAT

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ADD_DOUBLE

public static final int ADD_DOUBLE

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SUB_DOUBLE

public static final int SUB_DOUBLE

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MUL_DOUBLE

public static final int MUL_DOUBLE

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DIV_DOUBLE

public static final int DIV_DOUBLE

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REM_DOUBLE

public static final int REM_DOUBLE

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ADD_INT_2ADDR

public static final int ADD_INT_2ADDR

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SUB_INT_2ADDR

public static final int SUB_INT_2ADDR

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MUL_INT_2ADDR

public static final int MUL_INT_2ADDR

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DIV_INT_2ADDR

public static final int DIV_INT_2ADDR

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REM_INT_2ADDR

public static final int REM_INT_2ADDR

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AND_INT_2ADDR

public static final int AND_INT_2ADDR

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OR_INT_2ADDR

public static final int OR_INT_2ADDR

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XOR_INT_2ADDR

public static final int XOR_INT_2ADDR

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SHL_INT_2ADDR

public static final int SHL_INT_2ADDR

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SHR_INT_2ADDR

public static final int SHR_INT_2ADDR

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USHR_INT_2ADDR

public static final int USHR_INT_2ADDR

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ADD_LONG_2ADDR

public static final int ADD_LONG_2ADDR

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SUB_LONG_2ADDR

public static final int SUB_LONG_2ADDR

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Constant Field Values

MUL_LONG_2ADDR

public static final int MUL_LONG_2ADDR

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Constant Field Values

DIV_LONG_2ADDR

public static final int DIV_LONG_2ADDR

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Constant Field Values

REM_LONG_2ADDR

public static final int REM_LONG_2ADDR

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Constant Field Values

AND_LONG_2ADDR

public static final int AND_LONG_2ADDR

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Constant Field Values

OR_LONG_2ADDR

public static final int OR_LONG_2ADDR

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Constant Field Values

XOR_LONG_2ADDR

public static final int XOR_LONG_2ADDR

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Constant Field Values

SHL_LONG_2ADDR

public static final int SHL_LONG_2ADDR

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Constant Field Values

SHR_LONG_2ADDR

public static final int SHR_LONG_2ADDR

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Constant Field Values

USHR_LONG_2ADDR

public static final int USHR_LONG_2ADDR

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Constant Field Values

ADD_FLOAT_2ADDR

public static final int ADD_FLOAT_2ADDR

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Constant Field Values

SUB_FLOAT_2ADDR

public static final int SUB_FLOAT_2ADDR

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Constant Field Values

MUL_FLOAT_2ADDR

public static final int MUL_FLOAT_2ADDR

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Constant Field Values

DIV_FLOAT_2ADDR

public static final int DIV_FLOAT_2ADDR

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Constant Field Values

REM_FLOAT_2ADDR

public static final int REM_FLOAT_2ADDR

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Constant Field Values

ADD_DOUBLE_2ADDR

public static final int ADD_DOUBLE_2ADDR

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Constant Field Values

SUB_DOUBLE_2ADDR

public static final int SUB_DOUBLE_2ADDR

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Constant Field Values

MUL_DOUBLE_2ADDR

public static final int MUL_DOUBLE_2ADDR

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Constant Field Values

DIV_DOUBLE_2ADDR

public static final int DIV_DOUBLE_2ADDR

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Constant Field Values

REM_DOUBLE_2ADDR

public static final int REM_DOUBLE_2ADDR

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Constant Field Values

ADD_INT_LIT16

public static final int ADD_INT_LIT16

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Constant Field Values

RSUB_INT

public static final int RSUB_INT

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Constant Field Values

MUL_INT_LIT16

public static final int MUL_INT_LIT16

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Constant Field Values

DIV_INT_LIT16

public static final int DIV_INT_LIT16

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Constant Field Values

REM_INT_LIT16

public static final int REM_INT_LIT16

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Constant Field Values

AND_INT_LIT16

public static final int AND_INT_LIT16

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Constant Field Values

OR_INT_LIT16

public static final int OR_INT_LIT16

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Constant Field Values

XOR_INT_LIT16

public static final int XOR_INT_LIT16

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Constant Field Values

ADD_INT_LIT8

public static final int ADD_INT_LIT8

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Constant Field Values

RSUB_INT_LIT8

public static final int RSUB_INT_LIT8

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Constant Field Values

MUL_INT_LIT8

public static final int MUL_INT_LIT8

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Constant Field Values

DIV_INT_LIT8

public static final int DIV_INT_LIT8

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Constant Field Values

REM_INT_LIT8

public static final int REM_INT_LIT8

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Constant Field Values

AND_INT_LIT8

public static final int AND_INT_LIT8

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Constant Field Values

OR_INT_LIT8

public static final int OR_INT_LIT8

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Constant Field Values

XOR_INT_LIT8

public static final int XOR_INT_LIT8

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Constant Field Values

SHL_INT_LIT8

public static final int SHL_INT_LIT8

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Constant Field Values

SHR_INT_LIT8

public static final int SHR_INT_LIT8

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Constant Field Values

USHR_INT_LIT8

public static final int USHR_INT_LIT8

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Constant Field Values

CONST_CLASS_JUMBO

public static final int CONST_CLASS_JUMBO

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Constant Field Values

CHECK_CAST_JUMBO

public static final int CHECK_CAST_JUMBO

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Constant Field Values

INSTANCE_OF_JUMBO

public static final int INSTANCE_OF_JUMBO

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Constant Field Values

NEW_INSTANCE_JUMBO

public static final int NEW_INSTANCE_JUMBO

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Constant Field Values

NEW_ARRAY_JUMBO

public static final int NEW_ARRAY_JUMBO

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Constant Field Values

FILLED_NEW_ARRAY_JUMBO

public static final int FILLED_NEW_ARRAY_JUMBO

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Constant Field Values

IGET_JUMBO

public static final int IGET_JUMBO

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Constant Field Values

IGET_WIDE_JUMBO

public static final int IGET_WIDE_JUMBO

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Constant Field Values

IGET_OBJECT_JUMBO

public static final int IGET_OBJECT_JUMBO

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Constant Field Values

IGET_BOOLEAN_JUMBO

public static final int IGET_BOOLEAN_JUMBO

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Constant Field Values

IGET_BYTE_JUMBO

public static final int IGET_BYTE_JUMBO

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Constant Field Values

IGET_CHAR_JUMBO

public static final int IGET_CHAR_JUMBO

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Constant Field Values

IGET_SHORT_JUMBO

public static final int IGET_SHORT_JUMBO

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Constant Field Values

IPUT_JUMBO

public static final int IPUT_JUMBO

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Constant Field Values

IPUT_WIDE_JUMBO

public static final int IPUT_WIDE_JUMBO

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Constant Field Values

IPUT_OBJECT_JUMBO

public static final int IPUT_OBJECT_JUMBO

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Constant Field Values

IPUT_BOOLEAN_JUMBO

public static final int IPUT_BOOLEAN_JUMBO

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Constant Field Values

IPUT_BYTE_JUMBO

public static final int IPUT_BYTE_JUMBO

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Constant Field Values

IPUT_CHAR_JUMBO

public static final int IPUT_CHAR_JUMBO

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Constant Field Values

IPUT_SHORT_JUMBO

public static final int IPUT_SHORT_JUMBO

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Constant Field Values

SGET_JUMBO

public static final int SGET_JUMBO

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Constant Field Values

SGET_WIDE_JUMBO

public static final int SGET_WIDE_JUMBO

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Constant Field Values

SGET_OBJECT_JUMBO

public static final int SGET_OBJECT_JUMBO

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Constant Field Values

SGET_BOOLEAN_JUMBO

public static final int SGET_BOOLEAN_JUMBO

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Constant Field Values

SGET_BYTE_JUMBO

public static final int SGET_BYTE_JUMBO

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Constant Field Values

SGET_CHAR_JUMBO

public static final int SGET_CHAR_JUMBO

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Constant Field Values

SGET_SHORT_JUMBO

public static final int SGET_SHORT_JUMBO

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Constant Field Values

SPUT_JUMBO

public static final int SPUT_JUMBO

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Constant Field Values

SPUT_WIDE_JUMBO

public static final int SPUT_WIDE_JUMBO

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Constant Field Values

SPUT_OBJECT_JUMBO

public static final int SPUT_OBJECT_JUMBO

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Constant Field Values

SPUT_BOOLEAN_JUMBO

public static final int SPUT_BOOLEAN_JUMBO

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Constant Field Values

SPUT_BYTE_JUMBO

public static final int SPUT_BYTE_JUMBO

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Constant Field Values

SPUT_CHAR_JUMBO

public static final int SPUT_CHAR_JUMBO

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Constant Field Values

SPUT_SHORT_JUMBO

public static final int SPUT_SHORT_JUMBO

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Constant Field Values

INVOKE_VIRTUAL_JUMBO

public static final int INVOKE_VIRTUAL_JUMBO

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Constant Field Values

INVOKE_SUPER_JUMBO

public static final int INVOKE_SUPER_JUMBO

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Constant Field Values

INVOKE_DIRECT_JUMBO

public static final int INVOKE_DIRECT_JUMBO

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Constant Field Values

INVOKE_STATIC_JUMBO

public static final int INVOKE_STATIC_JUMBO

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Constant Field Values

INVOKE_INTERFACE_JUMBO

public static final int INVOKE_INTERFACE_JUMBO

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Constant Field Values

PACKED_SWITCH_PAYLOAD

public static final int PACKED_SWITCH_PAYLOAD

special pseudo-opcode value for packed-switch data payload instructions

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Constant Field Values

SPARSE_SWITCH_PAYLOAD

public static final int SPARSE_SWITCH_PAYLOAD

special pseudo-opcode value for packed-switch data payload instructions

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Constant Field Values

FILL_ARRAY_DATA_PAYLOAD

public static final int FILL_ARRAY_DATA_PAYLOAD

special pseudo-opcode value for fill-array-data data payload instructions

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Constant Field Values

Method Detail

isValidShape

public static boolean isValidShape(int opcode)

Determines if the given opcode has the right "shape" to be valid. This includes the range 0x01..0xfe, the range 0x00ff..0xffff where the low-order byte is either 0 or 0xff, and the special opcode values SPECIAL_FORMAT and NO_NEXT. Note that not all of the opcode values that pass this test are in fact used. This method is meant to perform a quick check to reject blatantly wrong values (e.g. when validating arguments).

Parameters:

opcode - the opcode value

Returns:

true iff the value has the right "shape" to be possibly valid

isExtended

public static boolean isExtended(int opcode)

Gets whether (true) or not (false) the given opcode value is an "extended" opcode (not counting the nop-like payload opcodes). Extended opcodes require a full 16-bit code unit to represent, without leaving space for an argument byte.

Parameters:

opcode - the opcode value

Returns:

true iff the opcode is an "extended" opcode

extractOpcodeFromUnit

public static int extractOpcodeFromUnit(int opcodeUnit)

Gets the opcode out of an opcode unit, the latter of which may also include one or more argument values.

Parameters:

opcodeUnit - the opcode-containing code unit

Returns:

the extracted opcode