jumps are relative to next instruction

This commit is contained in:
Roberto Ierusalimschy
1997-10-06 12:51:11 -02:00
parent 28d47a0aaa
commit f6a9cc9a67
3 changed files with 132 additions and 125 deletions

View File

@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.5 1997/09/24 19:43:11 roberto Exp roberto $
** $Id: lopcodes.h,v 1.6 1997/10/01 20:05:34 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -18,60 +18,60 @@
typedef enum {
/* name parm before after side effect
-----------------------------------------------------------------------------*/
ENDCODE,
ENDCODE,/* - - - */
PUSHNIL,/* - nil */
PUSHNIL,/* - - nil */
PUSHNILS,/* b - nil_1...nil_b */
PUSH0,/* - 0.0 */
PUSH1,/* - 1.0 */
PUSH2,/* - 2.0 */
PUSH0,/* - - 0.0 */
PUSH1,/* - - 1.0 */
PUSH2,/* - - 2.0 */
PUSHBYTE,/* b - (float)b */
PUSHWORD,/* w - (float)w */
PUSHCONSTANT0,/* - CNST[0] */
PUSHCONSTANT1,/* - CNST[1] */
PUSHCONSTANT2,/* - CNST[2] */
PUSHCONSTANT3,/* - CNST[3] */
PUSHCONSTANT4,/* - CNST[4] */
PUSHCONSTANT5,/* - CNST[5] */
PUSHCONSTANT6,/* - CNST[6] */
PUSHCONSTANT7,/* - CNST[7] */
PUSHCONSTANT8,/* - CNST[8] */
PUSHCONSTANT9,/* - CNST[9] */
PUSHCONSTANT0,/*- - CNST[0] */
PUSHCONSTANT1,/*- - CNST[1] */
PUSHCONSTANT2,/*- - CNST[2] */
PUSHCONSTANT3,/*- - CNST[3] */
PUSHCONSTANT4,/*- - CNST[4] */
PUSHCONSTANT5,/*- - CNST[5] */
PUSHCONSTANT6,/*- - CNST[6] */
PUSHCONSTANT7,/*- - CNST[7] */
PUSHCONSTANT8,/*- - CNST[8] */
PUSHCONSTANT9,/*- - CNST[9] */
PUSHCONSTANTB,/*b - CNST[b] */
PUSHCONSTANT,/* w - CNST[w] */
PUSHUPVALUE0,
PUSHUPVALUE1,
PUSHUPVALUE0,/* - - Closure[0] */
PUSHUPVALUE1,/* - - Closure[1] */
PUSHUPVALUE,/* b - Closure[b] */
PUSHLOCAL0,/* - LOC[0] */
PUSHLOCAL1,/* - LOC[1] */
PUSHLOCAL2,/* - LOC[2] */
PUSHLOCAL3,/* - LOC[3] */
PUSHLOCAL4,/* - LOC[4] */
PUSHLOCAL5,/* - LOC[5] */
PUSHLOCAL6,/* - LOC[6] */
PUSHLOCAL7,/* - LOC[7] */
PUSHLOCAL8,/* - LOC[8] */
PUSHLOCAL9,/* - LOC[9] */
PUSHLOCAL0,/* - - LOC[0] */
PUSHLOCAL1,/* - - LOC[1] */
PUSHLOCAL2,/* - - LOC[2] */
PUSHLOCAL3,/* - - LOC[3] */
PUSHLOCAL4,/* - - LOC[4] */
PUSHLOCAL5,/* - - LOC[5] */
PUSHLOCAL6,/* - - LOC[6] */
PUSHLOCAL7,/* - - LOC[7] */
PUSHLOCAL8,/* - - LOC[8] */
PUSHLOCAL9,/* - - LOC[9] */
PUSHLOCAL,/* b - LOC[b] */
GETGLOBAL0,/* - VAR[CNST[0]] */
GETGLOBAL1,/* - VAR[CNST[1]] */
GETGLOBAL2,/* - VAR[CNST[2]] */
GETGLOBAL3,/* - VAR[CNST[3]] */
GETGLOBAL4,/* - VAR[CNST[4]] */
GETGLOBAL5,/* - VAR[CNST[5]] */
GETGLOBAL6,/* - VAR[CNST[6]] */
GETGLOBAL7,/* - VAR[CNST[7]] */
GETGLOBAL8,/* - VAR[CNST[8]] */
GETGLOBAL9,/* - VAR[CNST[9]] */
GETGLOBAL0,/* - - VAR[CNST[0]] */
GETGLOBAL1,/* - - VAR[CNST[1]] */
GETGLOBAL2,/* - - VAR[CNST[2]] */
GETGLOBAL3,/* - - VAR[CNST[3]] */
GETGLOBAL4,/* - - VAR[CNST[4]] */
GETGLOBAL5,/* - - VAR[CNST[5]] */
GETGLOBAL6,/* - - VAR[CNST[6]] */
GETGLOBAL7,/* - - VAR[CNST[7]] */
GETGLOBAL8,/* - - VAR[CNST[8]] */
GETGLOBAL9,/* - - VAR[CNST[9]] */
GETGLOBALB,/* b - VAR[CNST[b]] */
GETGLOBAL,/* w - VAR[CNST[w]] */
GETTABLE,/* i t t[i] */
GETTABLE,/* - i t t[i] */
PUSHSELFB,/* b t t t[CNST[b]] */
PUSHSELF,/* w t t t[CNST[w]] */
@@ -79,44 +79,43 @@ PUSHSELF,/* w t t t[CNST[w]] */
CREATEARRAYB,/* b - newarray(size = b) */
CREATEARRAY,/* w - newarray(size = w) */
SETLOCAL0,/* x - LOC[0]=x */
SETLOCAL1,/* x - LOC[1]=x */
SETLOCAL2,/* x - LOC[2]=x */
SETLOCAL3,/* x - LOC[3]=x */
SETLOCAL4,/* x - LOC[4]=x */
SETLOCAL5,/* x - LOC[5]=x */
SETLOCAL6,/* x - LOC[6]=x */
SETLOCAL7,/* x - LOC[7]=x */
SETLOCAL8,/* x - LOC[8]=x */
SETLOCAL9,/* x - LOC[9]=x */
SETLOCAL0,/* - x - LOC[0]=x */
SETLOCAL1,/* - x - LOC[1]=x */
SETLOCAL2,/* - x - LOC[2]=x */
SETLOCAL3,/* - x - LOC[3]=x */
SETLOCAL4,/* - x - LOC[4]=x */
SETLOCAL5,/* - x - LOC[5]=x */
SETLOCAL6,/* - x - LOC[6]=x */
SETLOCAL7,/* - x - LOC[7]=x */
SETLOCAL8,/* - x - LOC[8]=x */
SETLOCAL9,/* - x - LOC[9]=x */
SETLOCAL,/* b x - LOC[b]=x */
SETGLOBALB,/* b x - VAR[CNST[b]]=x */
SETGLOBAL,/* w x - VAR[CNST[w]]=x */
SETTABLE0,/* v i t - t[i]=v */
SETTABLE0,/* - v i t - t[i]=v */
SETTABLE,/* b v a_b...a_1 i t a_b...a_1 i t t[i]=v */
SETLIST0,/* b v_b...v_1 t - t[i]=v_i */
SETLIST,/* b c v_b...v_1 t - t[i+c*FPF]=v_i */
SETMAP,/* b v_b k_b ...v_1 k_1 t t t[k_i]=v_i */
EQOP,/* y x (x==y)? 1 : nil */
NEQOP,/* y x (x~=y)? 1 : nil */
LTOP,/* y x (x<y)? 1 : nil */
LEOP,/* y x (x<y)? 1 : nil */
GTOP,/* y x (x>y)? 1 : nil */
GEOP,/* y x (x>=y)? 1 : nil */
ADDOP,/* y x x+y */
SUBOP,/* y x x-y */
MULTOP,/* y x x*y */
DIVOP,/* y x x/y */
POWOP,/* y x x^y */
CONCOP,/* y x x..y */
MINUSOP,/* x -x */
NOTOP,/* x (x==nil)? 1 : nil */
EQOP,/* - y x (x==y)? 1 : nil */
NEQOP,/* - y x (x~=y)? 1 : nil */
LTOP,/* - y x (x<y)? 1 : nil */
LEOP,/* - y x (x<y)? 1 : nil */
GTOP,/* - y x (x>y)? 1 : nil */
GEOP,/* - y x (x>=y)? 1 : nil */
ADDOP,/* - y x x+y */
SUBOP,/* - y x x-y */
MULTOP,/* - y x x*y */
DIVOP,/* - y x x/y */
POWOP,/* - y x x^y */
CONCOP,/* - y x x..y */
MINUSOP,/* - x -x */
NOTOP,/* - x (x==nil)? 1 : nil */
/* NOTICE: all jumps are relative to the position following the opcode */
ONTJMP,/* b x (x!=nil)? x : - (x!=nil)? PC+=b */
ONFJMP,/* b x (x==nil)? x : - (x==nil)? PC+=b */
JMPB,/* b - - PC+=b */
@@ -134,8 +133,8 @@ CLOSURE,/* w v_1...v_n c(CNST[w]) */
CALLFUNC,/* b c v_b...v_1 f r_c...r_1 f(v1,...,v_b) */
RETCODE,/* b - - */
SETLINE,/* w - - LINE=w */
POP1,/* - - TOP-=1 */
POP2,/* - - TOP-=2 */
POP1,/* - - - TOP-=1 */
POP2,/* - - - TOP-=2 */
POPS,/* b - - TOP-=b */
ARGS,/* b - - TOP=BASE+b */
VARARGS/* b v_x...v_1 {v_1...v_x;n=x} TOP=BASE+b+1 */