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/*
** mruby/opcode.h - RiteVM operation codes
**
** See Copyright Notice in mruby.h
*/
#ifndef
MRUBY_OPCODE_H
#define
MRUBY_OPCODE_H
#define
MAXARG_Bx
(0xffff)
#define
MAXARG_sBx
(MAXARG_Bx>>1)
/* 'sBx' is signed */
/* instructions: packed 32 bit */
/* ------------------------------- */
/* A:B:C:OP = 9: 9: 7: 7 */
/* A:Bx:OP = 9:16: 7 */
/* Ax:OP = 25: 7 */
/* A:Bz:Cz:OP = 9:14: 2: 7 */
#define
GET_OPCODE
(
i
) ((int)(((mrb_code)(i)) & 0x7f))
#define
GETARG_A
(
i
) ((int)((((mrb_code)(i)) >> 23) & 0x1ff))
#define
GETARG_B
(
i
) ((int)((((mrb_code)(i)) >> 14) & 0x1ff))
#define
GETARG_C
(
i
) ((int)((((mrb_code)(i)) >> 7) & 0x7f))
#define
GETARG_Bx
(
i
) ((int)((((mrb_code)(i)) >> 7) & 0xffff))
#define
GETARG_sBx
(
i
) ((int)(GETARG_Bx(i)-MAXARG_sBx))
#define
GETARG_Ax
(
i
) ((int32_t)((((mrb_code)(i)) >> 7) & 0x1ffffff))
#define
GETARG_UNPACK_b
(
i
,
n1
,
n2
) ((int)((((mrb_code)(i)) >> (7+(n2))) & (((1<<(n1))-1))))
#define
GETARG_UNPACK_c
(
i
,
n1
,
n2
) ((int)((((mrb_code)(i)) >> 7) & (((1<<(n2))-1))))
#define
GETARG_b
(
i
) GETARG_UNPACK_b(i,14,2)
#define
GETARG_c
(
i
) GETARG_UNPACK_c(i,14,2)
#define
MKOPCODE
(
op
) ((op) & 0x7f)
#define
MKARG_A
(
c
) ((mrb_code)((c) & 0x1ff) << 23)
#define
MKARG_B
(
c
) ((mrb_code)((c) & 0x1ff) << 14)
#define
MKARG_C
(
c
) (((c) & 0x7f) << 7)
#define
MKARG_Bx
(
v
) ((mrb_code)((v) & 0xffff) << 7)
#define
MKARG_sBx
(
v
) MKARG_Bx((v)+MAXARG_sBx)
#define
MKARG_Ax
(
v
) ((mrb_code)((v) & 0x1ffffff) << 7)
#define
MKARG_PACK
(
b
,
n1
,
c
,
n2
) ((((b) & ((1<<n1)-1)) << (7+n2))|(((c) & ((1<<n2)-1)) << 7))
#define
MKARG_bc
(
b
,
c
) MKARG_PACK(b,14,c,2)
#define
MKOP_A
(
op
,
a
) (MKOPCODE(op)|MKARG_A(a))
#define
MKOP_AB
(
op
,
a
,
b
) (MKOP_A(op,a)|MKARG_B(b))
#define
MKOP_ABC
(
op
,
a
,
b
,
c
) (MKOP_AB(op,a,b)|MKARG_C(c))
#define
MKOP_ABx
(
op
,
a
,
bx
) (MKOP_A(op,a)|MKARG_Bx(bx))
#define
MKOP_Bx
(
op
,
bx
) (MKOPCODE(op)|MKARG_Bx(bx))
#define
MKOP_sBx
(
op
,
sbx
) (MKOPCODE(op)|MKARG_sBx(sbx))
#define
MKOP_AsBx
(
op
,
a
,
sbx
) (MKOP_A(op,a)|MKARG_sBx(sbx))
#define
MKOP_Ax
(
op
,
ax
) (MKOPCODE(op)|MKARG_Ax(ax))
#define
MKOP_Abc
(
op
,
a
,
b
,
c
) (MKOP_A(op,a)|MKARG_bc(b,c))
enum
{
/*-----------------------------------------------------------------------
operation code operand description
------------------------------------------------------------------------*/
OP_NOP
=
0
,
/* */
OP_MOVE
,
/* A B R(A) := R(B) */
OP_LOADL
,
/* A Bx R(A) := Pool(Bx) */
OP_LOADI
,
/* A sBx R(A) := sBx */
OP_LOADSYM
,
/* A Bx R(A) := Syms(Bx) */
OP_LOADNIL
,
/* A R(A) := nil */
OP_LOADSELF
,
/* A R(A) := self */
OP_LOADT
,
/* A R(A) := true */
OP_LOADF
,
/* A R(A) := false */
OP_GETGLOBAL
,
/* A Bx R(A) := getglobal(Syms(Bx)) */
OP_SETGLOBAL
,
/* A Bx setglobal(Syms(Bx), R(A)) */
OP_GETSPECIAL
,
/*A Bx R(A) := Special[Bx] */
OP_SETSPECIAL
,
/*A Bx Special[Bx] := R(A) */
OP_GETIV
,
/* A Bx R(A) := ivget(Syms(Bx)) */
OP_SETIV
,
/* A Bx ivset(Syms(Bx),R(A)) */
OP_GETCV
,
/* A Bx R(A) := cvget(Syms(Bx)) */
OP_SETCV
,
/* A Bx cvset(Syms(Bx),R(A)) */
OP_GETCONST
,
/* A Bx R(A) := constget(Syms(Bx)) */
OP_SETCONST
,
/* A Bx constset(Syms(Bx),R(A)) */
OP_GETMCNST
,
/* A Bx R(A) := R(A)::Syms(Bx) */
OP_SETMCNST
,
/* A Bx R(A+1)::Syms(Bx) := R(A) */
OP_GETUPVAR
,
/* A B C R(A) := uvget(B,C) */
OP_SETUPVAR
,
/* A B C uvset(B,C,R(A)) */
OP_JMP
,
/* sBx pc+=sBx */
OP_JMPIF
,
/* A sBx if R(A) pc+=sBx */
OP_JMPNOT
,
/* A sBx if !R(A) pc+=sBx */
OP_ONERR
,
/* sBx rescue_push(pc+sBx) */
OP_RESCUE
,
/* A clear(exc); R(A) := exception (ignore when A=0) */
OP_POPERR
,
/* A A.times{rescue_pop()} */
OP_RAISE
,
/* A raise(R(A)) */
OP_EPUSH
,
/* Bx ensure_push(SEQ[Bx]) */
OP_EPOP
,
/* A A.times{ensure_pop().call} */
OP_SEND
,
/* A B C R(A) := call(R(A),Syms(B),R(A+1),...,R(A+C)) */
OP_SENDB
,
/* A B C R(A) := call(R(A),Syms(B),R(A+1),...,R(A+C),&R(A+C+1))*/
OP_FSEND
,
/* A B C R(A) := fcall(R(A),Syms(B),R(A+1),...,R(A+C-1)) */
OP_CALL
,
/* A R(A) := self.call(frame.argc, frame.argv) */
OP_SUPER
,
/* A C R(A) := super(R(A+1),... ,R(A+C+1)) */
OP_ARGARY
,
/* A Bx R(A) := argument array (16=6:1:5:4) */
OP_ENTER
,
/* Ax arg setup according to flags (23=5:5:1:5:5:1:1) */
OP_KARG
,
/* A B C R(A) := kdict[Syms(B)]; if C kdict.rm(Syms(B)) */
OP_KDICT
,
/* A C R(A) := kdict */
OP_RETURN
,
/* A B return R(A) (B=normal,in-block return/break) */
OP_TAILCALL
,
/* A B C return call(R(A),Syms(B),*R(C)) */
OP_BLKPUSH
,
/* A Bx R(A) := block (16=6:1:5:4) */
OP_ADD
,
/* A B C R(A) := R(A)+R(A+1) (Syms[B]=:+,C=1) */
OP_ADDI
,
/* A B C R(A) := R(A)+C (Syms[B]=:+) */
OP_SUB
,
/* A B C R(A) := R(A)-R(A+1) (Syms[B]=:-,C=1) */
OP_SUBI
,
/* A B C R(A) := R(A)-C (Syms[B]=:-) */
OP_MUL
,
/* A B C R(A) := R(A)*R(A+1) (Syms[B]=:*,C=1) */
OP_DIV
,
/* A B C R(A) := R(A)/R(A+1) (Syms[B]=:/,C=1) */
OP_EQ
,
/* A B C R(A) := R(A)==R(A+1) (Syms[B]=:==,C=1) */
OP_LT
,
/* A B C R(A) := R(A)<R(A+1) (Syms[B]=:<,C=1) */
OP_LE
,
/* A B C R(A) := R(A)<=R(A+1) (Syms[B]=:<=,C=1) */
OP_GT
,
/* A B C R(A) := R(A)>R(A+1) (Syms[B]=:>,C=1) */
OP_GE
,
/* A B C R(A) := R(A)>=R(A+1) (Syms[B]=:>=,C=1) */
OP_ARRAY
,
/* A B C R(A) := ary_new(R(B),R(B+1)..R(B+C)) */
OP_ARYCAT
,
/* A B ary_cat(R(A),R(B)) */
OP_ARYPUSH
,
/* A B ary_push(R(A),R(B)) */
OP_AREF
,
/* A B C R(A) := R(B)[C] */
OP_ASET
,
/* A B C R(B)[C] := R(A) */
OP_APOST
,
/* A B C *R(A),R(A+1)..R(A+C) := R(A) */
OP_STRING
,
/* A Bx R(A) := str_dup(Lit(Bx)) */
OP_STRCAT
,
/* A B str_cat(R(A),R(B)) */
OP_HASH
,
/* A B C R(A) := hash_new(R(B),R(B+1)..R(B+C)) */
OP_LAMBDA
,
/* A Bz Cz R(A) := lambda(SEQ[Bz],Cz) */
OP_RANGE
,
/* A B C R(A) := range_new(R(B),R(B+1),C) */
OP_OCLASS
,
/* A R(A) := ::Object */
OP_CLASS
,
/* A B R(A) := newclass(R(A),Syms(B),R(A+1)) */
OP_MODULE
,
/* A B R(A) := newmodule(R(A),Syms(B)) */
OP_EXEC
,
/* A Bx R(A) := blockexec(R(A),SEQ[Bx]) */
OP_METHOD
,
/* A B R(A).newmethod(Syms(B),R(A+1)) */
OP_SCLASS
,
/* A B R(A) := R(B).singleton_class */
OP_TCLASS
,
/* A R(A) := target_class */
OP_DEBUG
,
/* A B C print R(A),R(B),R(C) */
OP_STOP
,
/* stop VM */
OP_ERR
,
/* Bx raise RuntimeError with message Lit(Bx) */
OP_RSVD1
,
/* reserved instruction #1 */
OP_RSVD2
,
/* reserved instruction #2 */
OP_RSVD3
,
/* reserved instruction #3 */
OP_RSVD4
,
/* reserved instruction #4 */
OP_RSVD5
,
/* reserved instruction #5 */
};
#define
OP_L_STRICT
1
#define
OP_L_CAPTURE
2
#define
OP_L_METHOD
OP_L_STRICT
#define
OP_L_LAMBDA
(OP_L_STRICT|OP_L_CAPTURE)
#define
OP_L_BLOCK
OP_L_CAPTURE
#define
OP_R_NORMAL
0
#define
OP_R_BREAK
1
#define
OP_R_RETURN
2
#endif
/* MRUBY_OPCODE_H */
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