DexDalvikInstruction (JEB API)

java.lang.Object
- jeb.api.dex.DexDalvikInstruction

```
public class DexDalvikInstruction
extends java.lang.Object
```
This class represents a Dalvik instruction.
Dalvik instructions are stored in DexCodeItem objects, themselves stored in DexMethodData objects, themselves referenced in DexClassData objects, themselves contained in DexClass objects.
The original description of Dalvik instructions can be found here:
- Dalvik VM Instruction Formats
- Bytecode for the Dalvik VM
Since:

1.3.201308090

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`DexDalvikInstruction.ArrayData` This class represent the array data for the `fill-array-data` instruction.
`static class`	`DexDalvikInstruction.Parameter` Parameter for a Dalvik instruction.
`static class`	`DexDalvikInstruction.SwitchData` This class represents the jump table of a switch instruction.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`TYPE_BRA` Parameter type: branch target Parameter value: signed integer, relative displacement in code units (2 bytes) from current instruction address
`static int`	`TYPE_IDX` Parameter type: index into a constant pool (which pool is determined by the instruction) Parameter value: an unsigned integer
`static int`	`TYPE_IMM` Parameter type: immediate value Parameter value: sign-extended long, can be anything from a boolean to a double
`static int`	`TYPE_REG` Parameter type: register Parameter value: register index (or first register index , in case of a pair)
`static int`	`TYPE_RGR` Parameter type: register range Parameter value: long, made up of 2 integers as follows: low-int: first register index high-int: last register index (inclusive)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`DexDalvikInstruction.ArrayData`	`getArrayData()` Get the instruction array data.
`byte[]`	`getCode()` Get the instruction bytecode.
`java.lang.String`	`getMnemonic()` Get the instruction mnemonic string.
`int`	`getOffset()` Get the instruction offset in bytes.
`DexDalvikInstruction.Parameter[]`	`getParameters()` Get the instruction parameters.
`int`	`getSize()` Get the instruction size, in bytes.
`DexDalvikInstruction.SwitchData`	`getSwitchData()` Get the instruction switch data.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - TYPE_REG
```
public static final int TYPE_REG
```
    Parameter type: register
    Parameter value: register index (or first register index , in case of a pair)
    
    Since:
    
    1.2.201305230
    
    See Also:
    
    Constant Field Values
  - TYPE_IMM
```
public static final int TYPE_IMM
```
    Parameter type: immediate value
    Parameter value: sign-extended long, can be anything from a boolean to a double
    
    Since:
    
    1.2.201305230
    
    See Also:
    
    Constant Field Values
  - TYPE_IDX
```
public static final int TYPE_IDX
```
    Parameter type: index into a constant pool (which pool is determined by the instruction)
    Parameter value: an unsigned integer
    
    Since:
    
    1.2.201305230
    
    See Also:
    
    Constant Field Values
  - TYPE_BRA
```
public static final int TYPE_BRA
```
    Parameter type: branch target
    Parameter value: signed integer, relative displacement in code units (2 bytes) from current instruction address
    
    Since:
    
    1.2.201305230
    
    See Also:
    
    Constant Field Values
  - TYPE_RGR
```
public static final int TYPE_RGR
```
    Parameter type: register range
    Parameter value: long, made up of 2 integers as follows:
    - low-int: first register index
    - high-int: last register index (inclusive)
    Since:
    
    1.2.201305230
    
    See Also:
    
    Constant Field Values
- Method Detail
  - getOffset
```
public int getOffset()
```
    Get the instruction offset in bytes.
    
    Returns:
    
    the instruction offset, relative to the method's entry point
    
    Since:
    
    1.2.201305230
  - getSize
```
public int getSize()
```
    Get the instruction size, in bytes.
    
    Returns:
    
    the instruction size, always a multiple of 2
    
    Since:
    
    1.2.201305230
  - getMnemonic
```
public java.lang.String getMnemonic()
```
    Get the instruction mnemonic string.
    Mnemonics are defined in Bytecode for the Dalvik VM.
    
    Returns:
    
    the instruction mnemonic
    
    Since:
    
    1.2.201305230
  - getCode
```
public byte[] getCode()
```
    Get the instruction bytecode.
    
    Returns:
    
    a copy of the bytecode bytes for the instruction
    
    Since:
    
    1.2.201305230
  - getParameters
```
public DexDalvikInstruction.Parameter[] getParameters()
```
    Get the instruction parameters.
    
    Returns:
    
    the array of parameters, can be empty if there are no parameters
    
    Since:
    
    1.2.201305230
  - getSwitchData
```
public DexDalvikInstruction.SwitchData getSwitchData()
```
    Get the instruction switch data.
    
    Returns:
    
    the switch payload object, or null if the instruction is neither packed-switch nor sparse-switch
    
    Since:
    
    1.2.201305230
  - getArrayData
```
public DexDalvikInstruction.ArrayData getArrayData()
```
    Get the instruction array data.
    
    Returns:
    
    the array data, or null if the instruction is not fill-array-data
    
    Since:
    
    1.2.201305230

Class DexDalvikInstruction

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

TYPE_REG

TYPE_IMM

TYPE_IDX

TYPE_BRA

TYPE_RGR

Method Detail

getOffset

getSize

getMnemonic

getCode

getParameters

getSwitchData

getArrayData