lopcodes.h File Reference

#include "llimits.h"

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Macros
#define	SIZE_C   9
#define	SIZE_B   9
#define	SIZE_Bx   (SIZE_C + SIZE_B)
#define	SIZE_A   8
#define	SIZE_Ax   (SIZE_C + SIZE_B + SIZE_A)
#define	SIZE_OP   6
#define	POS_OP   0
#define	POS_A   (POS_OP + SIZE_OP)
#define	POS_C   (POS_A + SIZE_A)
#define	POS_B   (POS_C + SIZE_C)
#define	POS_Bx   POS_C
#define	POS_Ax   POS_A
#define	MAXARG_Bx   MAX_INT
#define	MAXARG_sBx   MAX_INT
#define	MAXARG_Ax   MAX_INT
#define	MAXARG_A   ((1<<SIZE_A)-1)
#define	MAXARG_B   ((1<<SIZE_B)-1)
#define	MAXARG_C   ((1<<SIZE_C)-1)
#define	MASK1(n, p)   ((~((~(Instruction)0)<<(n)))<<(p))
#define	MASK0(n, p)   (~MASK1(n,p))
#define	GET_OPCODE(i)   (cast(OpCode, ((i)>>POS_OP) & MASK1(SIZE_OP,0)))
#define	SET_OPCODE(i, o)
#define	getarg(i, pos, size)   (cast(int, ((i)>>pos) & MASK1(size,0)))
#define	setarg(i, v, pos, size)
#define	GETARG_A(i)   getarg(i, POS_A, SIZE_A)
#define	SETARG_A(i, v)   setarg(i, v, POS_A, SIZE_A)
#define	GETARG_B(i)   getarg(i, POS_B, SIZE_B)
#define	SETARG_B(i, v)   setarg(i, v, POS_B, SIZE_B)
#define	GETARG_C(i)   getarg(i, POS_C, SIZE_C)
#define	SETARG_C(i, v)   setarg(i, v, POS_C, SIZE_C)
#define	GETARG_Bx(i)   getarg(i, POS_Bx, SIZE_Bx)
#define	SETARG_Bx(i, v)   setarg(i, v, POS_Bx, SIZE_Bx)
#define	GETARG_Ax(i)   getarg(i, POS_Ax, SIZE_Ax)
#define	SETARG_Ax(i, v)   setarg(i, v, POS_Ax, SIZE_Ax)
#define	GETARG_sBx(i)   (GETARG_Bx(i)-MAXARG_sBx)
#define	SETARG_sBx(i, b)   SETARG_Bx((i),cast(unsigned int, (b)+MAXARG_sBx))
#define	CREATE_ABC(o, a, b, c)
#define	CREATE_ABx(o, a, bc)
#define	CREATE_Ax(o, a)
#define	BITRK   (1 << (SIZE_B - 1))
#define	ISK(x)   ((x) & BITRK)
#define	INDEXK(r)   ((int)(r) & ~BITRK)
#define	MAXINDEXRK   (BITRK - 1)
#define	RKASK(x)   ((x) | BITRK)
#define	NO_REG   MAXARG_A
#define	NUM_OPCODES   (cast(int, OP_EXTRAARG) + 1)
#define	getOpMode(m)   (cast(enum OpMode, luaP_opmodes[m] & 3))
#define	getBMode(m)   (cast(enum OpArgMask, (luaP_opmodes[m] >> 4) & 3))
#define	getCMode(m)   (cast(enum OpArgMask, (luaP_opmodes[m] >> 2) & 3))
#define	testAMode(m)   (luaP_opmodes[m] & (1 << 6))
#define	testTMode(m)   (luaP_opmodes[m] & (1 << 7))
#define	LFIELDS_PER_FLUSH   50

Enumerations
enum	OpMode { iABC, iABx, iAsBx, iAx }
enum	OpCode {   OP_MOVE, OP_LOADK, OP_LOADKX, OP_LOADBOOL,   OP_LOADNIL, OP_GETUPVAL, OP_GETTABUP, OP_GETTABLE,   OP_SETTABUP, OP_SETUPVAL, OP_SETTABLE, OP_NEWTABLE,   OP_SELF, OP_ADD, OP_SUB, OP_MUL,   OP_MOD, OP_POW, OP_DIV, OP_IDIV,   OP_BAND, OP_BOR, OP_BXOR, OP_SHL,   OP_SHR, OP_UNM, OP_BNOT, OP_NOT,   OP_LEN, OP_CONCAT, OP_JMP, OP_EQ,   OP_LT, OP_LE, OP_TEST, OP_TESTSET,   OP_CALL, OP_TAILCALL, OP_RETURN, OP_FORLOOP,   OP_FORPREP, OP_TFORCALL, OP_TFORLOOP, OP_SETLIST,   OP_CLOSURE, OP_VARARG, OP_EXTRAARG }
enum	OpArgMask { OpArgN, OpArgU, OpArgR, OpArgK }

Variables
LUAI_DDEC const lu_byte	luaP_opmodes [NUM_OPCODES]
LUAI_DDEC const char *const	luaP_opnames [NUM_OPCODES+1]

Macro Definition Documentation

BITRK

#define BITRK   (1 << (SIZE_B - 1))

CREATE_ABC

#define CREATE_ABC	(		o,
			a,
			b,
			c
	)

Value:

((cast(Instruction, o)<<POS_OP) \
 | (cast(Instruction, a)<<POS_A) \
 | (cast(Instruction, b)<<POS_B) \
 | (cast(Instruction, c)<<POS_C))

CREATE_ABx

#define CREATE_ABx	(		o,
			a,
			bc
	)

Value:

((cast(Instruction, o)<<POS_OP) \
 | (cast(Instruction, a)<<POS_A) \
 | (cast(Instruction, bc)<<POS_Bx))

CREATE_Ax

#define CREATE_Ax	(		o,
			a
	)

Value:

((cast(Instruction, o)<<POS_OP) \
 | (cast(Instruction, a)<<POS_Ax))

GET_OPCODE

#define GET_OPCODE

(

i

)

(cast(OpCode, ((i)>>POS_OP) & MASK1(SIZE_OP,0)))

getarg

#define getarg	(		i,
			pos,
			size
	)		(cast(int, ((i)>>pos) & MASK1(size,0)))

GETARG_A

#define GETARG_A

(

i

)

getarg(i, POS_A, SIZE_A)

GETARG_Ax

#define GETARG_Ax

(

i

)

getarg(i, POS_Ax, SIZE_Ax)

GETARG_B

#define GETARG_B

(

i

)

getarg(i, POS_B, SIZE_B)

GETARG_Bx

#define GETARG_Bx

(

i

)

getarg(i, POS_Bx, SIZE_Bx)

GETARG_C

#define GETARG_C

(

i

)

getarg(i, POS_C, SIZE_C)

GETARG_sBx

#define GETARG_sBx

(

i

)

(GETARG_Bx(i)-MAXARG_sBx)

getBMode

#define getBMode

(

m

)

(cast(enum OpArgMask, (luaP_opmodes[m] >> 4) & 3))

getCMode

#define getCMode

(

m

)

(cast(enum OpArgMask, (luaP_opmodes[m] >> 2) & 3))

getOpMode

#define getOpMode

(

m

)

(cast(enum OpMode, luaP_opmodes[m] & 3))

INDEXK

#define INDEXK

(

r

)

((int)(r) & ~BITRK)

ISK

#define ISK

(

x

)

((x) & BITRK)

LFIELDS_PER_FLUSH

#define LFIELDS_PER_FLUSH   50

MASK0

#define MASK0	(		n,
			p
	)		(~MASK1(n,p))

MASK1

#define MASK1	(		n,
			p
	)		((~((~(Instruction)0)<<(n)))<<(p))

MAXARG_A

#define MAXARG_A   ((1<<SIZE_A)-1)

MAXARG_Ax

#define MAXARG_Ax   MAX_INT

MAXARG_B

#define MAXARG_B   ((1<<SIZE_B)-1)

MAXARG_Bx

#define MAXARG_Bx   MAX_INT

MAXARG_C

#define MAXARG_C   ((1<<SIZE_C)-1)

MAXARG_sBx

#define MAXARG_sBx   MAX_INT

MAXINDEXRK

#define MAXINDEXRK   (BITRK - 1)

NO_REG

#define NO_REG   MAXARG_A

NUM_OPCODES

#define NUM_OPCODES   (cast(int, OP_EXTRAARG) + 1)

POS_A

#define POS_A   (POS_OP + SIZE_OP)

POS_Ax

#define POS_Ax   POS_A

POS_B

#define POS_B   (POS_C + SIZE_C)

POS_Bx

#define POS_Bx   POS_C

POS_C

#define POS_C   (POS_A + SIZE_A)

POS_OP

#define POS_OP   0

RKASK

#define RKASK

(

x

)

((x) | BITRK)

SET_OPCODE

#define SET_OPCODE	(		i,
			o
	)

Value:

((i) = (((i)&MASK0(SIZE_OP,POS_OP)) | \
 ((cast(Instruction, o)<<POS_OP)&MASK1(SIZE_OP,POS_OP))))

setarg

#define setarg	(		i,
			v,
			pos,
			size
	)

Value:

((i) = (((i)&MASK0(size,pos)) | \
 ((cast(Instruction, v)<<pos)&MASK1(size,pos))))

SETARG_A

#define SETARG_A	(		i,
			v
	)		setarg(i, v, POS_A, SIZE_A)

SETARG_Ax

#define SETARG_Ax	(		i,
			v
	)		setarg(i, v, POS_Ax, SIZE_Ax)

SETARG_B

#define SETARG_B	(		i,
			v
	)		setarg(i, v, POS_B, SIZE_B)

SETARG_Bx

#define SETARG_Bx	(		i,
			v
	)		setarg(i, v, POS_Bx, SIZE_Bx)

SETARG_C

#define SETARG_C	(		i,
			v
	)		setarg(i, v, POS_C, SIZE_C)

SETARG_sBx

#define SETARG_sBx	(		i,
			b
	)		SETARG_Bx((i),cast(unsigned int, (b)+MAXARG_sBx))

SIZE_A

#define SIZE_A   8

SIZE_Ax

#define SIZE_Ax   (SIZE_C + SIZE_B + SIZE_A)

SIZE_B

#define SIZE_B   9

SIZE_Bx

#define SIZE_Bx   (SIZE_C + SIZE_B)

SIZE_C

#define SIZE_C   9

SIZE_OP

#define SIZE_OP   6

testAMode

#define testAMode

(

m

)

(luaP_opmodes[m] & (1 << 6))

testTMode

#define testTMode

(

m

)

(luaP_opmodes[m] & (1 << 7))

Enumeration Type Documentation

OpArgMask

enum OpArgMask

Enumerator
OpArgN
OpArgU
OpArgR
OpArgK

OpCode

enum OpCode

Enumerator
OP_MOVE
OP_LOADK
OP_LOADKX
OP_LOADBOOL
OP_LOADNIL
OP_GETUPVAL
OP_GETTABUP
OP_GETTABLE
OP_SETTABUP
OP_SETUPVAL
OP_SETTABLE
OP_NEWTABLE
OP_SELF
OP_ADD
OP_SUB
OP_MUL
OP_MOD
OP_POW
OP_DIV
OP_IDIV
OP_BAND
OP_BOR
OP_BXOR
OP_SHL
OP_SHR
OP_UNM
OP_BNOT
OP_NOT
OP_LEN
OP_CONCAT
OP_JMP
OP_EQ
OP_LT
OP_LE
OP_TEST
OP_TESTSET
OP_CALL
OP_TAILCALL
OP_RETURN
OP_FORLOOP
OP_FORPREP
OP_TFORCALL
OP_TFORLOOP
OP_SETLIST
OP_CLOSURE
OP_VARARG
OP_EXTRAARG

OpMode

enum OpMode

Enumerator
iABC
iABx
iAsBx
iAx

Variable Documentation

luaP_opmodes

LUAI_DDEC const lu_byte luaP_opmodes[NUM_OPCODES]

luaP_opnames

LUAI_DDEC const char* const luaP_opnames[NUM_OPCODES+1]