Safe Haskell	None

JVM.Assembler

Description

This module declares data type for JVM instructions, and BinaryState instances to read/write them.

Synopsis

Documentation

data Instruction Source

JVM instruction set. For comments, see JVM specification.

Constructors

NOP	0
ACONST_NULL	1
ICONST_M1	2
ICONST_0	3
ICONST_1	4
ICONST_2	5
ICONST_3	6
ICONST_4	7
ICONST_5	8
LCONST_0	9
LCONST_1	10
FCONST_0	11
FCONST_1	12
FCONST_2	13
DCONST_0	14
DCONST_1	15
BIPUSH Word8	16
SIPUSH Word16	17
LDC1 Word8	18
LDC2 Word16	19
LDC2W Word16	20
ILOAD Word8	21
LLOAD Word8	22
FLOAD Word8	23
DLOAD Word8	24
ALOAD Word8	25
ILOAD_ IMM	26, 27, 28, 29
LLOAD_ IMM	30, 31, 32, 33
FLOAD_ IMM	34, 35, 36, 37
DLOAD_ IMM	38, 39, 40, 41
ALOAD_ IMM	42, 43, 44, 45
IALOAD	46
LALOAD	47
FALOAD	48
DALOAD	49
AALOAD	50
BALOAD	51
CALOAD	52
SALOAD	53
ISTORE Word8	54
LSTORE Word8	55
FSTORE Word8	56
DSTORE Word8	57
ASTORE Word8	58
ISTORE_ IMM	59, 60, 61, 62
LSTORE_ IMM	63, 64, 65, 66
FSTORE_ IMM	67, 68, 69, 70
DSTORE_ IMM	71, 72, 73, 74
ASTORE_ IMM	75, 76, 77, 78
IASTORE	79
LASTORE	80
FASTORE	81
DASTORE	82
AASTORE	83
BASTORE	84
CASTORE	85
SASTORE	86
POP	87
POP2	88
DUP	89
DUP_X1	90
DUP_X2	91
DUP2	92
DUP2_X1	93
DUP2_X2	94
SWAP	95
IADD	96
LADD	97
FADD	98
DADD	99
ISUB	100
LSUB	101
FSUB	102
DSUB	103
IMUL	104
LMUL	105
FMUL	106
DMUL	107
IDIV	108
LDIV	109
FDIV	110
DDIV	111
IREM	112
LREM	113
FREM	114
DREM	115
INEG	116
LNEG	117
FNEG	118
DNEG	119
ISHL	120
LSHL	121
ISHR	122
LSHR	123
IUSHR	124
LUSHR	125
IAND	126
LAND	127
IOR	128
LOR	129
IXOR	130
LXOR	131
IINC Word8 Word8	132
I2L	133
I2F	134
I2D	135
L2I	136
L2F	137
L2D	138
F2I	139
F2L	140
F2D	141
D2I	142
D2L	143
D2F	144
I2B	145
I2C	146
I2S	147
LCMP	148
FCMP CMP	149, 150
DCMP CMP	151, 152
IF CMP Word16	153, 154, 155, 156, 157, 158
IF_ICMP CMP Word16	159, 160, 161, 162, 163, 164
IF_ACMP CMP Word16	165, 166
GOTO Word16	167
JSR Word16	168
RET	169
TABLESWITCH Word8 Word32 Word32 Word32 [Word32]	170
LOOKUPSWITCH Word8 Word32 Word32 [(Word32, Word32)]	171
IRETURN	172
LRETURN	173
FRETURN	174
DRETURN	175
ARETURN	176
RETURN	177
GETSTATIC Word16	178
PUTSTATIC Word16	179
GETFIELD Word16	180
PUTFIELD Word16	181
INVOKEVIRTUAL Word16	182
INVOKESPECIAL Word16	183
INVOKESTATIC Word16	184
INVOKEINTERFACE Word16 Word8	185
NEW Word16	187
NEWARRAY Word8	188, see `ArrayType`
ANEWARRAY Word16	189
ARRAYLENGTH	190
ATHROW	191
CHECKCAST Word16	192
INSTANCEOF Word16	193
MONITORENTER	194
MONITOREXIT	195
WIDE Word8 Instruction	196
MULTINANEWARRAY Word16 Word8	197
IFNULL Word16	198
IFNONNULL Word16	199
GOTO_W Word32	200
JSR_W Word32	201

Instances

Eq Instruction
Show Instruction
BinaryState Integer Instruction

data ArrayType Source

JVM array type (primitive types)

Constructors

T_BOOLEAN	4
T_CHAR	5
T_FLOAT	6
T_DOUBLE	7
T_BYTE	8
T_SHORT	9
T_INT	10
T_LONG	11

Instances

Enum ArrayType
Eq ArrayType
Show ArrayType
BinaryState Integer ArrayType

data CodeException Source

Exception descriptor

Constructors

CodeException
Fields eStartPC :: Word16 eEndPC :: Word16 eHandlerPC :: Word16 eCatchType :: Word16

Instances

Eq CodeException
Show CodeException
BinaryState Integer CodeException

data Code Source

Format of Code method attribute.

Constructors

Code
Fields codeStackSize :: Word16 codeMaxLocals :: Word16 codeLength :: Word32 codeInstructions :: [Instruction] codeExceptionsN :: Word16 codeExceptions :: [CodeException] codeAttrsN :: Word16 codeAttributes :: Attributes File

Instances

Eq Code
Show Code
BinaryState Integer Code

data IMM Source

Immediate constant. Corresponding value will be added to base opcode.

Constructors

I0	0
I1	1
I2	2
I3	3

Instances

Enum IMM
Eq IMM
Ord IMM
Show IMM

data CMP Source

Comparation operation type. Not all CMP instructions support all operations.

Constructors

C_EQ
C_NE
C_LT
C_GE
C_GT
C_LE

Instances

Enum CMP
Eq CMP
Ord CMP
Show CMP

atype2byte :: ArrayType -> Word8Source

encodeInstructions :: [Instruction] -> ByteString Source

Encode list of instructions

encodeMethod :: Code -> ByteString Source

Encode Java method

decodeMethod :: ByteString -> Code Source

Decode Java method