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@@ -6,7 +6,6 @@
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****************************************************************************/
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#include <cstring>
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-
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#include "dcc.h"
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#include "scanner.h"
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#include "project.h"
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@@ -55,265 +54,263 @@ static struct {
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void (*state2)(int);
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uint32_t flg;
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llIcode opcode;
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- uint8_t df;
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- uint8_t uf;
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} stateTable[] = {
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- { modrm, none2, B , iADD , Sf | Zf | Cf , 0 }, /* 00 */
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- { modrm, none2, 0 , iADD , Sf | Zf | Cf , 0 }, /* 01 */
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- { modrm, none2, TO_REG | B , iADD , Sf | Zf | Cf , 0 }, /* 02 */
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- { modrm, none2, TO_REG , iADD , Sf | Zf | Cf , 0 }, /* 03 */
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- { data1, axImp, B , iADD , Sf | Zf | Cf , 0 }, /* 04 */
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- { data2, axImp, 0 , iADD , Sf | Zf | Cf , 0 }, /* 05 */
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- { segop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 06 */
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- { segop, none2, NO_SRC , iPOP , 0 , 0 }, /* 07 */
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- { modrm, none2, B , iOR , Sf | Zf | Cf , 0 }, /* 08 */
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- { modrm, none2, NSP , iOR , Sf | Zf | Cf , 0 }, /* 09 */
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- { modrm, none2, TO_REG | B , iOR , Sf | Zf | Cf , 0 }, /* 0A */
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- { modrm, none2, TO_REG | NSP , iOR , Sf | Zf | Cf , 0 }, /* 0B */
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- { data1, axImp, B , iOR , Sf | Zf | Cf , 0 }, /* 0C */
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- { data2, axImp, 0 , iOR , Sf | Zf | Cf , 0 }, /* 0D */
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- { segop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 0E */
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- { none1, none2, OP386 , iZERO , 0 , 0 }, /* 0F */
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- { modrm, none2, B , iADC , Sf | Zf | Cf , Cf }, /* 10 */
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- { modrm, none2, NSP , iADC , Sf | Zf | Cf , Cf }, /* 11 */
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- { modrm, none2, TO_REG | B , iADC , Sf | Zf | Cf , Cf }, /* 12 */
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- { modrm, none2, TO_REG | NSP , iADC , Sf | Zf | Cf , Cf }, /* 13 */
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- { data1, axImp, B , iADC , Sf | Zf | Cf , Cf }, /* 14 */
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- { data2, axImp, 0 , iADC , Sf | Zf | Cf , Cf }, /* 15 */
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- { segop, none2, NOT_HLL | NO_SRC , iPUSH , 0 , 0 }, /* 16 */
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- { segop, none2, NOT_HLL | NO_SRC , iPOP , 0 , 0 }, /* 17 */
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- { modrm, none2, B , iSBB , Sf | Zf | Cf , Cf }, /* 18 */
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- { modrm, none2, NSP , iSBB , Sf | Zf | Cf , Cf }, /* 19 */
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- { modrm, none2, TO_REG | B , iSBB , Sf | Zf | Cf , Cf }, /* 1A */
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- { modrm, none2, TO_REG | NSP , iSBB , Sf | Zf | Cf , Cf }, /* 1B */
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- { data1, axImp, B , iSBB , Sf | Zf | Cf , Cf }, /* 1C */
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- { data2, axImp, 0 , iSBB , Sf | Zf | Cf , Cf }, /* 1D */
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- { segop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 1E */
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- { segop, none2, NO_SRC , iPOP , 0 , 0 }, /* 1F */
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- { modrm, none2, B , iAND , Sf | Zf | Cf , 0 }, /* 20 */
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- { modrm, none2, NSP , iAND , Sf | Zf | Cf , 0 }, /* 21 */
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- { modrm, none2, TO_REG | B , iAND , Sf | Zf | Cf , 0 }, /* 22 */
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- { modrm, none2, TO_REG | NSP , iAND , Sf | Zf | Cf , 0 }, /* 23 */
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- { data1, axImp, B , iAND , Sf | Zf | Cf , 0 }, /* 24 */
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- { data2, axImp, 0 , iAND , Sf | Zf | Cf , 0 }, /* 25 */
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- { prefix, none2, 0 , (IC)rES,0 , 0 }, /* 26 */
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- { none1, axImp, NOT_HLL | B|NO_SRC , iDAA , Sf | Zf | Cf , 0 }, /* 27 */
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- { modrm, none2, B , iSUB , Sf | Zf | Cf , 0 }, /* 28 */
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- { modrm, none2, 0 , iSUB , Sf | Zf | Cf , 0 }, /* 29 */
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- { modrm, none2, TO_REG | B , iSUB , Sf | Zf | Cf , 0 }, /* 2A */
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- { modrm, none2, TO_REG , iSUB , Sf | Zf | Cf , 0 }, /* 2B */
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- { data1, axImp, B , iSUB , Sf | Zf | Cf , 0 }, /* 2C */
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- { data2, axImp, 0 , iSUB , Sf | Zf | Cf , 0 }, /* 2D */
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- { prefix, none2, 0 , (IC)rCS,0 , 0 }, /* 2E */
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- { none1, axImp, NOT_HLL | B|NO_SRC , iDAS , Sf | Zf | Cf , 0 }, /* 2F */
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- { modrm, none2, B , iXOR , Sf | Zf | Cf , 0 }, /* 30 */
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- { modrm, none2, NSP , iXOR , Sf | Zf | Cf , 0 }, /* 31 */
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- { modrm, none2, TO_REG | B , iXOR , Sf | Zf | Cf , 0 }, /* 32 */
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- { modrm, none2, TO_REG | NSP , iXOR , Sf | Zf | Cf , 0 }, /* 33 */
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- { data1, axImp, B , iXOR , Sf | Zf | Cf , 0 }, /* 34 */
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- { data2, axImp, 0 , iXOR , Sf | Zf | Cf , 0 }, /* 35 */
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- { prefix, none2, 0 , (IC)rSS,0 , 0 }, /* 36 */
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- { none1, axImp, NOT_HLL | NO_SRC , iAAA , Sf | Zf | Cf , 0 }, /* 37 */
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- { modrm, none2, B , iCMP , Sf | Zf | Cf , 0 }, /* 38 */
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- { modrm, none2, NSP , iCMP , Sf | Zf | Cf , 0 }, /* 39 */
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- { modrm, none2, TO_REG | B , iCMP , Sf | Zf | Cf , 0 }, /* 3A */
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- { modrm, none2, TO_REG | NSP , iCMP , Sf | Zf | Cf , 0 }, /* 3B */
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- { data1, axImp, B , iCMP , Sf | Zf | Cf , 0 }, /* 3C */
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- { data2, axImp, 0 , iCMP , Sf | Zf | Cf , 0 }, /* 3D */
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- { prefix, none2, 0 , (IC)rDS,0 , 0 }, /* 3E */
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- { none1, axImp, NOT_HLL | NO_SRC , iAAS , Sf | Zf | Cf , 0 }, /* 3F */
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- { regop, none2, 0 , iINC , Sf | Zf , 0 }, /* 40 */
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- { regop, none2, 0 , iINC , Sf | Zf , 0 }, /* 41 */
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- { regop, none2, 0 , iINC , Sf | Zf , 0 }, /* 42 */
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- { regop, none2, 0 , iINC , Sf | Zf , 0 }, /* 43 */
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- { regop, none2, NOT_HLL , iINC , Sf | Zf , 0 }, /* 44 */
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- { regop, none2, 0 , iINC , Sf | Zf , 0 }, /* 45 */
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- { regop, none2, 0 , iINC , Sf | Zf , 0 }, /* 46 */
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- { regop, none2, 0 , iINC , Sf | Zf , 0 }, /* 47 */
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- { regop, none2, 0 , iDEC , Sf | Zf , 0 }, /* 48 */
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- { regop, none2, 0 , iDEC , Sf | Zf , 0 }, /* 49 */
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- { regop, none2, 0 , iDEC , Sf | Zf , 0 }, /* 4A */
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- { regop, none2, 0 , iDEC , Sf | Zf , 0 }, /* 4B */
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- { regop, none2, NOT_HLL , iDEC , Sf | Zf , 0 }, /* 4C */
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- { regop, none2, 0 , iDEC , Sf | Zf , 0 }, /* 4D */
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- { regop, none2, 0 , iDEC , Sf | Zf , 0 }, /* 4E */
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- { regop, none2, 0 , iDEC , Sf | Zf , 0 }, /* 4F */
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- { regop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 50 */
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- { regop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 51 */
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- { regop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 52 */
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- { regop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 53 */
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- { regop, none2, NOT_HLL | NO_SRC , iPUSH , 0 , 0 }, /* 54 */
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- { regop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 55 */
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- { regop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 56 */
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- { regop, none2, NO_SRC , iPUSH , 0 , 0 }, /* 57 */
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- { regop, none2, NO_SRC , iPOP , 0 , 0 }, /* 58 */
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- { regop, none2, NO_SRC , iPOP , 0 , 0 }, /* 59 */
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- { regop, none2, NO_SRC , iPOP , 0 , 0 }, /* 5A */
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- { regop, none2, NO_SRC , iPOP , 0 , 0 }, /* 5B */
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- { regop, none2, NOT_HLL | NO_SRC , iPOP , 0 , 0 }, /* 5C */
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- { regop, none2, NO_SRC , iPOP , 0 , 0 }, /* 5D */
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- { regop, none2, NO_SRC , iPOP , 0 , 0 }, /* 5E */
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- { regop, none2, NO_SRC , iPOP , 0 , 0 }, /* 5F */
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- { none1, none2, NOT_HLL | NO_OPS , iPUSHA, 0 , 0 }, /* 60 */
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- { none1, none2, NOT_HLL | NO_OPS , iPOPA , 0 , 0 }, /* 61 */
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- { memOnly, modrm, TO_REG | NSP , iBOUND, 0 , 0 }, /* 62 */
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- { none1, none2, OP386 , iZERO , 0 , 0 }, /* 63 */
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- { none1, none2, OP386 , iZERO , 0 , 0 }, /* 64 */
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- { none1, none2, OP386 , iZERO , 0 , 0 }, /* 65 */
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- { none1, none2, OP386 , iZERO , 0 , 0 }, /* 66 */
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- { none1, none2, OP386 , iZERO , 0 , 0 }, /* 67 */
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- { data2, none2, NO_SRC , iPUSH , 0 , 0 }, /* 68 */
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- { modrm, data2, TO_REG | NSP , iIMUL , Sf | Zf | Cf , 0 }, /* 69 */
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- { data1, none2, S_EXT | NO_SRC , iPUSH , 0 , 0 }, /* 6A */
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- { modrm, data1, TO_REG | NSP | S_EXT , iIMUL , Sf | Zf | Cf , 0 }, /* 6B */
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- { strop, memImp, NOT_HLL | B|IM_OPS , iINS , 0 , Df}, /* 6C */
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- { strop, memImp, NOT_HLL | IM_OPS , iINS , 0 , Df}, /* 6D */
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- { strop, memImp, NOT_HLL | B|IM_OPS , iOUTS , 0 , Df}, /* 6E */
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- { strop, memImp, NOT_HLL | IM_OPS , iOUTS , 0 , Df}, /* 6F */
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- { dispS, none2, NOT_HLL , iJO , 0 , 0 }, /* 70 */
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- { dispS, none2, NOT_HLL , iJNO , 0 , 0 }, /* 71 */
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- { dispS, none2, 0 , iJB , 0 , Cf }, /* 72 */
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- { dispS, none2, 0 , iJAE , 0 , Cf }, /* 73 */
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- { dispS, none2, 0 , iJE , 0 , Zf }, /* 74 */
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- { dispS, none2, 0 , iJNE , 0 , Zf }, /* 75 */
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- { dispS, none2, 0 , iJBE , 0 , Zf | Cf }, /* 76 */
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- { dispS, none2, 0 , iJA , 0 , Zf | Cf }, /* 77 */
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- { dispS, none2, 0 , iJS , 0 , Sf }, /* 78 */
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- { dispS, none2, 0 , iJNS , 0 , Sf }, /* 79 */
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- { dispS, none2, NOT_HLL , iJP , 0 , 0 }, /* 7A */
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- { dispS, none2, NOT_HLL , iJNP , 0 , 0 }, /* 7B */
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- { dispS, none2, 0 , iJL , 0 , Sf }, /* 7C */
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- { dispS, none2, 0 , iJGE , 0 , Sf }, /* 7D */
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- { dispS, none2, 0 , iJLE , 0 , Sf | Zf }, /* 7E */
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- { dispS, none2, 0 , iJG , 0 , Sf | Zf }, /* 7F */
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- { immed, data1, B , iZERO , 0 , 0 }, /* 80 */
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- { immed, data2, NSP , iZERO , 0 , 0 }, /* 81 */
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- { immed, data1, B , iZERO , 0 , 0 }, /* 82 */ /* ?? */
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- { immed, data1, NSP | S_EXT , iZERO , 0 , 0 }, /* 83 */
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- { modrm, none2, TO_REG | B , iTEST , Sf | Zf | Cf, 0 }, /* 84 */
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- { modrm, none2, TO_REG | NSP , iTEST , Sf | Zf | Cf, 0 }, /* 85 */
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- { modrm, none2, TO_REG | B , iXCHG , 0 , 0 }, /* 86 */
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- { modrm, none2, TO_REG | NSP , iXCHG , 0 , 0 }, /* 87 */
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- { modrm, none2, B , iMOV , 0 , 0 }, /* 88 */
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- { modrm, none2, 0 , iMOV , 0 , 0 }, /* 89 */
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- { modrm, none2, TO_REG | B , iMOV , 0 , 0 }, /* 8A */
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- { modrm, none2, TO_REG , iMOV , 0 , 0 }, /* 8B */
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- { segrm, none2, NSP , iMOV , 0 , 0 }, /* 8C */
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- { memOnly, modrm, TO_REG | NSP , iLEA , 0 , 0 }, /* 8D */
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- { segrm, none2, TO_REG | NSP , iMOV , 0 , 0 }, /* 8E */
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- { memReg0, none2, NO_SRC , iPOP , 0 , 0 }, /* 8F */
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- { none1, none2, NO_OPS , iNOP , 0 , 0 }, /* 90 */
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- { regop, axImp, 0 , iXCHG , 0 , 0 }, /* 91 */
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- { regop, axImp, 0 , iXCHG , 0 , 0 }, /* 92 */
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- { regop, axImp, 0 , iXCHG , 0 , 0 }, /* 93 */
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- { regop, axImp, NOT_HLL , iXCHG , 0 , 0 }, /* 94 */
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- { regop, axImp, 0 , iXCHG , 0 , 0 }, /* 95 */
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- { regop, axImp, 0 , iXCHG , 0 , 0 }, /* 96 */
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- { regop, axImp, 0 , iXCHG , 0 , 0 }, /* 97 */
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- { alImp, axImp, SRC_B | S_EXT , iSIGNEX,0 , 0 }, /* 98 */
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- {axSrcIm, axImp, IM_DST | S_EXT , iSIGNEX,0 , 0 }, /* 99 */
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- { dispF, none2, 0 , iCALLF ,0 , 0 }, /* 9A */
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- { none1, none2, FLOAT_OP| NO_OPS , iWAIT , 0 , 0 }, /* 9B */
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- { none1, none2, NOT_HLL | NO_OPS , iPUSHF, 0 , 0 }, /* 9C */
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- { none1, none2, NOT_HLL | NO_OPS , iPOPF , Sf | Zf | Cf | Df,}, /* 9D */
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- { none1, none2, NOT_HLL | NO_OPS , iSAHF , Sf | Zf | Cf, 0 }, /* 9E */
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- { none1, none2, NOT_HLL | NO_OPS , iLAHF , 0 , Sf | Zf | Cf }, /* 9F */
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- { dispM, axImp, B , iMOV , 0 , 0 }, /* A0 */
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- { dispM, axImp, 0 , iMOV , 0 , 0 }, /* A1 */
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- { dispM, axImp, TO_REG | B , iMOV , 0 , 0 }, /* A2 */
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- { dispM, axImp, TO_REG , iMOV , 0 , 0 }, /* A3 */
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- { strop, memImp, B | IM_OPS , iMOVS , 0 , Df }, /* A4 */
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- { strop, memImp, IM_OPS , iMOVS , 0 , Df }, /* A5 */
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- { strop, memImp, B | IM_OPS , iCMPS , Sf | Zf | Cf, Df }, /* A6 */
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- { strop, memImp, IM_OPS , iCMPS , Sf | Zf | Cf, Df }, /* A7 */
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- { data1, axImp, B , iTEST , Sf | Zf | Cf, 0 }, /* A8 */
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- { data2, axImp, 0 , iTEST , Sf | Zf | Cf, 0 }, /* A9 */
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- { strop, memImp, B | IM_OPS , iSTOS , 0 , Df }, /* AA */
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- { strop, memImp, IM_OPS , iSTOS , 0 , Df }, /* AB */
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- { strop, memImp, B | IM_OPS , iLODS , 0 , Df }, /* AC */
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- { strop, memImp, IM_OPS , iLODS , 0 , Df }, /* AD */
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- { strop, memImp, B | IM_OPS , iSCAS , Sf | Zf | Cf, Df }, /* AE */
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- { strop, memImp, IM_OPS , iSCAS , Sf | Zf | Cf, Df }, /* AF */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B0 */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B1 */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B2 */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B3 */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B4 */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B5 */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B6 */
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- { regop, data1, B , iMOV , 0 , 0 }, /* B7 */
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- { regop, data2, 0 , iMOV , 0 , 0 }, /* B8 */
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- { regop, data2, 0 , iMOV , 0 , 0 }, /* B9 */
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- { regop, data2, 0 , iMOV , 0 , 0 }, /* BA */
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- { regop, data2, 0 , iMOV , 0 , 0 }, /* BB */
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- { regop, data2, NOT_HLL , iMOV , 0 , 0 }, /* BC */
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- { regop, data2, 0 , iMOV , 0 , 0 }, /* BD */
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- { regop, data2, 0 , iMOV , 0 , 0 }, /* BE */
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- { regop, data2, 0 , iMOV , 0 , 0 }, /* BF */
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- { shift, data1, B , iZERO , 0 , 0 }, /* C0 */
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- { shift, data1, NSP | SRC_B , iZERO , 0 , 0 }, /* C1 */
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- { data2, none2, 0 , iRET , 0 , 0 }, /* C2 */
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- { none1, none2, NO_OPS , iRET , 0 , 0 }, /* C3 */
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- { memOnly, modrm, TO_REG | NSP , iLES , 0 , 0 }, /* C4 */
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- { memOnly, modrm, TO_REG | NSP , iLDS , 0 , 0 }, /* C5 */
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- { memReg0, data1, B , iMOV , 0 , 0 }, /* C6 */
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- { memReg0, data2, 0 , iMOV , 0 , 0 }, /* C7 */
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- { data2, data1, 0 , iENTER, 0 , 0 }, /* C8 */
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- { none1, none2, NO_OPS , iLEAVE, 0 , 0 }, /* C9 */
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- { data2, none2, 0 , iRETF , 0 , 0 }, /* CA */
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- { none1, none2, NO_OPS , iRETF , 0 , 0 }, /* CB */
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- { const3, none2, NOT_HLL , iINT , 0 , 0 }, /* CC */
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- { data1,checkInt, NOT_HLL , iINT , 0 , 0 }, /* CD */
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- { none1, none2, NOT_HLL | NO_OPS , iINTO , 0 , 0 }, /* CE */
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- { none1, none2, NOT_HLL | NO_OPS , iIRET , 0 , 0 }, /* Cf */
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- { shift, const1, B , iZERO , 0 , 0 }, /* D0 */
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- { shift, const1, SRC_B , iZERO , 0 , 0 }, /* D1 */
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- { shift, none1, B , iZERO , 0 , 0 }, /* D2 */
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- { shift, none1, SRC_B , iZERO , 0 , 0 }, /* D3 */
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- { data1, axImp, NOT_HLL , iAAM , Sf | Zf | Cf, 0 }, /* D4 */
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- { data1, axImp, NOT_HLL , iAAD , Sf | Zf | Cf, 0 }, /* D5 */
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- { none1, none2, 0 , iZERO , 0 , 0 }, /* D6 */
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- { memImp, axImp, NOT_HLL | B| IM_OPS, iXLAT , 0 , 0 }, /* D7 */
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- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* D8 */
|
|
|
- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* D9 */
|
|
|
- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* DA */
|
|
|
- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* DB */
|
|
|
- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* DC */
|
|
|
- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* DD */
|
|
|
- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* DE */
|
|
|
- { escop, none2, FLOAT_OP , iESC , 0 , 0 }, /* Df */
|
|
|
- { dispS, none2, 0 , iLOOPNE,0 , Zf }, /* E0 */
|
|
|
- { dispS, none2, 0 , iLOOPE, 0 , Zf }, /* E1 */
|
|
|
- { dispS, none2, 0 , iLOOP , 0 , 0 }, /* E2 */
|
|
|
- { dispS, none2, 0 , iJCXZ , 0 , 0 }, /* E3 */
|
|
|
- { data1, axImp, NOT_HLL | B|NO_SRC , iIN , 0 , 0 }, /* E4 */
|
|
|
- { data1, axImp, NOT_HLL | NO_SRC , iIN , 0 , 0 }, /* E5 */
|
|
|
- { data1, axImp, NOT_HLL | B|NO_SRC , iOUT , 0 , 0 }, /* E6 */
|
|
|
- { data1, axImp, NOT_HLL | NO_SRC , iOUT , 0 , 0 }, /* E7 */
|
|
|
- { dispN, none2, 0 , iCALL , 0 , 0 }, /* E8 */
|
|
|
- { dispN, none2, 0 , iJMP , 0 , 0 }, /* E9 */
|
|
|
- { dispF, none2, 0 , iJMPF , 0 , 0 }, /* EA */
|
|
|
- { dispS, none2, 0 , iJMP , 0 , 0 }, /* EB */
|
|
|
- { none1, axImp, NOT_HLL | B|NO_SRC , iIN , 0 , 0 }, /* EC */
|
|
|
- { none1, axImp, NOT_HLL | NO_SRC , iIN , 0 , 0 }, /* ED */
|
|
|
- { none1, axImp, NOT_HLL | B|NO_SRC , iOUT , 0 , 0 }, /* EE */
|
|
|
- { none1, axImp, NOT_HLL | NO_SRC , iOUT , 0 , 0 }, /* EF */
|
|
|
- { none1, none2, NOT_HLL | NO_OPS , iLOCK , 0 , 0 }, /* F0 */
|
|
|
- { none1, none2, 0 , iZERO , 0 , 0 }, /* F1 */
|
|
|
- { prefix, none2, 0 , iREPNE, 0 , 0 }, /* F2 */
|
|
|
- { prefix, none2, 0 , iREPE , 0 , 0 }, /* F3 */
|
|
|
- { none1, none2, NOT_HLL | NO_OPS , iHLT , 0 , 0 }, /* F4 */
|
|
|
- { none1, none2, NO_OPS , iCMC , Cf, Cf }, /* F5 */
|
|
|
- { arith, none1, B , iZERO , 0 , 0 }, /* F6 */
|
|
|
- { arith, none1, NSP , iZERO , 0 , 0 }, /* F7 */
|
|
|
- { none1, none2, NO_OPS , iCLC , Cf, 0 }, /* F8 */
|
|
|
- { none1, none2, NO_OPS , iSTC , Cf, 0 }, /* F9 */
|
|
|
- { none1, none2, NOT_HLL | NO_OPS , iCLI , 0 , 0 }, /* FA */
|
|
|
- { none1, none2, NOT_HLL | NO_OPS , iSTI , 0 , 0 }, /* FB */
|
|
|
- { none1, none2, NO_OPS , iCLD , Df, 0 }, /* FC */
|
|
|
- { none1, none2, NO_OPS , iSTD , Df, 0 }, /* FD */
|
|
|
- { trans, none1, B , iZERO , 0 , 0 }, /* FE */
|
|
|
- { trans, none1, NSP , iZERO , 0 , 0 } /* FF */
|
|
|
+ { modrm, none2, B , iADD }, /* 00 */
|
|
|
+ { modrm, none2, 0 , iADD }, /* 01 */
|
|
|
+ { modrm, none2, TO_REG | B , iADD }, /* 02 */
|
|
|
+ { modrm, none2, TO_REG , iADD }, /* 03 */
|
|
|
+ { data1, axImp, B , iADD }, /* 04 */
|
|
|
+ { data2, axImp, 0 , iADD }, /* 05 */
|
|
|
+ { segop, none2, NO_SRC , iPUSH }, /* 06 */
|
|
|
+ { segop, none2, NO_SRC , iPOP }, /* 07 */
|
|
|
+ { modrm, none2, B , iOR }, /* 08 */
|
|
|
+ { modrm, none2, NSP , iOR }, /* 09 */
|
|
|
+ { modrm, none2, TO_REG | B , iOR }, /* 0A */
|
|
|
+ { modrm, none2, TO_REG | NSP , iOR }, /* 0B */
|
|
|
+ { data1, axImp, B , iOR }, /* 0C */
|
|
|
+ { data2, axImp, 0 , iOR }, /* 0D */
|
|
|
+ { segop, none2, NO_SRC , iPUSH }, /* 0E */
|
|
|
+ { none1, none2, OP386 , iZERO }, /* 0F */
|
|
|
+ { modrm, none2, B , iADC }, /* 10 */
|
|
|
+ { modrm, none2, NSP , iADC }, /* 11 */
|
|
|
+ { modrm, none2, TO_REG | B , iADC }, /* 12 */
|
|
|
+ { modrm, none2, TO_REG | NSP , iADC }, /* 13 */
|
|
|
+ { data1, axImp, B , iADC }, /* 14 */
|
|
|
+ { data2, axImp, 0 , iADC }, /* 15 */
|
|
|
+ { segop, none2, NOT_HLL | NO_SRC , iPUSH }, /* 16 */
|
|
|
+ { segop, none2, NOT_HLL | NO_SRC , iPOP }, /* 17 */
|
|
|
+ { modrm, none2, B , iSBB }, /* 18 */
|
|
|
+ { modrm, none2, NSP , iSBB }, /* 19 */
|
|
|
+ { modrm, none2, TO_REG | B , iSBB }, /* 1A */
|
|
|
+ { modrm, none2, TO_REG | NSP , iSBB }, /* 1B */
|
|
|
+ { data1, axImp, B , iSBB }, /* 1C */
|
|
|
+ { data2, axImp, 0 , iSBB }, /* 1D */
|
|
|
+ { segop, none2, NO_SRC , iPUSH }, /* 1E */
|
|
|
+ { segop, none2, NO_SRC , iPOP }, /* 1F */
|
|
|
+ { modrm, none2, B , iAND }, /* 20 */
|
|
|
+ { modrm, none2, NSP , iAND }, /* 21 */
|
|
|
+ { modrm, none2, TO_REG | B , iAND }, /* 22 */
|
|
|
+ { modrm, none2, TO_REG | NSP , iAND }, /* 23 */
|
|
|
+ { data1, axImp, B , iAND }, /* 24 */
|
|
|
+ { data2, axImp, 0 , iAND }, /* 25 */
|
|
|
+ { prefix, none2, 0 , (IC)rES}, /* 26 */
|
|
|
+ { none1, axImp, NOT_HLL | B|NO_SRC , iDAA }, /* 27 */
|
|
|
+ { modrm, none2, B , iSUB }, /* 28 */
|
|
|
+ { modrm, none2, 0 , iSUB }, /* 29 */
|
|
|
+ { modrm, none2, TO_REG | B , iSUB }, /* 2A */
|
|
|
+ { modrm, none2, TO_REG , iSUB }, /* 2B */
|
|
|
+ { data1, axImp, B , iSUB }, /* 2C */
|
|
|
+ { data2, axImp, 0 , iSUB }, /* 2D */
|
|
|
+ { prefix, none2, 0 , (IC)rCS}, /* 2E */
|
|
|
+ { none1, axImp, NOT_HLL | B|NO_SRC , iDAS }, /* 2F */
|
|
|
+ { modrm, none2, B , iXOR }, /* 30 */
|
|
|
+ { modrm, none2, NSP , iXOR }, /* 31 */
|
|
|
+ { modrm, none2, TO_REG | B , iXOR }, /* 32 */
|
|
|
+ { modrm, none2, TO_REG | NSP , iXOR }, /* 33 */
|
|
|
+ { data1, axImp, B , iXOR }, /* 34 */
|
|
|
+ { data2, axImp, 0 , iXOR }, /* 35 */
|
|
|
+ { prefix, none2, 0 , (IC)rSS}, /* 36 */
|
|
|
+ { none1, axImp, NOT_HLL | NO_SRC , iAAA }, /* 37 */
|
|
|
+ { modrm, none2, B , iCMP }, /* 38 */
|
|
|
+ { modrm, none2, NSP , iCMP }, /* 39 */
|
|
|
+ { modrm, none2, TO_REG | B , iCMP }, /* 3A */
|
|
|
+ { modrm, none2, TO_REG | NSP , iCMP }, /* 3B */
|
|
|
+ { data1, axImp, B , iCMP }, /* 3C */
|
|
|
+ { data2, axImp, 0 , iCMP }, /* 3D */
|
|
|
+ { prefix, none2, 0 , (IC)rDS}, /* 3E */
|
|
|
+ { none1, axImp, NOT_HLL | NO_SRC , iAAS }, /* 3F */
|
|
|
+ { regop, none2, 0 , iINC }, /* 40 */
|
|
|
+ { regop, none2, 0 , iINC }, /* 41 */
|
|
|
+ { regop, none2, 0 , iINC }, /* 42 */
|
|
|
+ { regop, none2, 0 , iINC }, /* 43 */
|
|
|
+ { regop, none2, NOT_HLL , iINC }, /* 44 */
|
|
|
+ { regop, none2, 0 , iINC }, /* 45 */
|
|
|
+ { regop, none2, 0 , iINC }, /* 46 */
|
|
|
+ { regop, none2, 0 , iINC }, /* 47 */
|
|
|
+ { regop, none2, 0 , iDEC }, /* 48 */
|
|
|
+ { regop, none2, 0 , iDEC }, /* 49 */
|
|
|
+ { regop, none2, 0 , iDEC }, /* 4A */
|
|
|
+ { regop, none2, 0 , iDEC }, /* 4B */
|
|
|
+ { regop, none2, NOT_HLL , iDEC }, /* 4C */
|
|
|
+ { regop, none2, 0 , iDEC }, /* 4D */
|
|
|
+ { regop, none2, 0 , iDEC }, /* 4E */
|
|
|
+ { regop, none2, 0 , iDEC }, /* 4F */
|
|
|
+ { regop, none2, NO_SRC , iPUSH }, /* 50 */
|
|
|
+ { regop, none2, NO_SRC , iPUSH }, /* 51 */
|
|
|
+ { regop, none2, NO_SRC , iPUSH }, /* 52 */
|
|
|
+ { regop, none2, NO_SRC , iPUSH }, /* 53 */
|
|
|
+ { regop, none2, NOT_HLL | NO_SRC , iPUSH }, /* 54 */
|
|
|
+ { regop, none2, NO_SRC , iPUSH }, /* 55 */
|
|
|
+ { regop, none2, NO_SRC , iPUSH }, /* 56 */
|
|
|
+ { regop, none2, NO_SRC , iPUSH }, /* 57 */
|
|
|
+ { regop, none2, NO_SRC , iPOP }, /* 58 */
|
|
|
+ { regop, none2, NO_SRC , iPOP }, /* 59 */
|
|
|
+ { regop, none2, NO_SRC , iPOP }, /* 5A */
|
|
|
+ { regop, none2, NO_SRC , iPOP }, /* 5B */
|
|
|
+ { regop, none2, NOT_HLL | NO_SRC , iPOP }, /* 5C */
|
|
|
+ { regop, none2, NO_SRC , iPOP }, /* 5D */
|
|
|
+ { regop, none2, NO_SRC , iPOP }, /* 5E */
|
|
|
+ { regop, none2, NO_SRC , iPOP }, /* 5F */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iPUSHA}, /* 60 */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iPOPA }, /* 61 */
|
|
|
+ { memOnly, modrm, TO_REG | NSP , iBOUND}, /* 62 */
|
|
|
+ { none1, none2, OP386 , iZERO }, /* 63 */
|
|
|
+ { none1, none2, OP386 , iZERO }, /* 64 */
|
|
|
+ { none1, none2, OP386 , iZERO }, /* 65 */
|
|
|
+ { none1, none2, OP386 , iZERO }, /* 66 */
|
|
|
+ { none1, none2, OP386 , iZERO }, /* 67 */
|
|
|
+ { data2, none2, NO_SRC , iPUSH }, /* 68 */
|
|
|
+ { modrm, data2, TO_REG | NSP , iIMUL }, /* 69 */
|
|
|
+ { data1, none2, S_EXT | NO_SRC , iPUSH }, /* 6A */
|
|
|
+ { modrm, data1, TO_REG | NSP | S_EXT , iIMUL }, /* 6B */
|
|
|
+ { strop, memImp, NOT_HLL | B|IM_OPS , iINS }, /* 6C */
|
|
|
+ { strop, memImp, NOT_HLL | IM_OPS , iINS }, /* 6D */
|
|
|
+ { strop, memImp, NOT_HLL | B|IM_OPS , iOUTS }, /* 6E */
|
|
|
+ { strop, memImp, NOT_HLL | IM_OPS , iOUTS }, /* 6F */
|
|
|
+ { dispS, none2, NOT_HLL , iJO }, /* 70 */
|
|
|
+ { dispS, none2, NOT_HLL , iJNO }, /* 71 */
|
|
|
+ { dispS, none2, 0 , iJB }, /* 72 */
|
|
|
+ { dispS, none2, 0 , iJAE }, /* 73 */
|
|
|
+ { dispS, none2, 0 , iJE }, /* 74 */
|
|
|
+ { dispS, none2, 0 , iJNE }, /* 75 */
|
|
|
+ { dispS, none2, 0 , iJBE }, /* 76 */
|
|
|
+ { dispS, none2, 0 , iJA }, /* 77 */
|
|
|
+ { dispS, none2, 0 , iJS }, /* 78 */
|
|
|
+ { dispS, none2, 0 , iJNS }, /* 79 */
|
|
|
+ { dispS, none2, NOT_HLL , iJP }, /* 7A */
|
|
|
+ { dispS, none2, NOT_HLL , iJNP }, /* 7B */
|
|
|
+ { dispS, none2, 0 , iJL }, /* 7C */
|
|
|
+ { dispS, none2, 0 , iJGE }, /* 7D */
|
|
|
+ { dispS, none2, 0 , iJLE }, /* 7E */
|
|
|
+ { dispS, none2, 0 , iJG }, /* 7F */
|
|
|
+ { immed, data1, B , iZERO }, /* 80 */
|
|
|
+ { immed, data2, NSP , iZERO }, /* 81 */
|
|
|
+ { immed, data1, B , iZERO }, /* 82 */ /* ?? */
|
|
|
+ { immed, data1, NSP | S_EXT , iZERO }, /* 83 */
|
|
|
+ { modrm, none2, TO_REG | B , iTEST }, /* 84 */
|
|
|
+ { modrm, none2, TO_REG | NSP , iTEST }, /* 85 */
|
|
|
+ { modrm, none2, TO_REG | B , iXCHG }, /* 86 */
|
|
|
+ { modrm, none2, TO_REG | NSP , iXCHG }, /* 87 */
|
|
|
+ { modrm, none2, B , iMOV }, /* 88 */
|
|
|
+ { modrm, none2, 0 , iMOV }, /* 89 */
|
|
|
+ { modrm, none2, TO_REG | B , iMOV }, /* 8A */
|
|
|
+ { modrm, none2, TO_REG , iMOV }, /* 8B */
|
|
|
+ { segrm, none2, NSP , iMOV }, /* 8C */
|
|
|
+ { memOnly, modrm, TO_REG | NSP , iLEA }, /* 8D */
|
|
|
+ { segrm, none2, TO_REG | NSP , iMOV }, /* 8E */
|
|
|
+ { memReg0, none2, NO_SRC , iPOP }, /* 8F */
|
|
|
+ { none1, none2, NO_OPS , iNOP }, /* 90 */
|
|
|
+ { regop, axImp, 0 , iXCHG }, /* 91 */
|
|
|
+ { regop, axImp, 0 , iXCHG }, /* 92 */
|
|
|
+ { regop, axImp, 0 , iXCHG }, /* 93 */
|
|
|
+ { regop, axImp, NOT_HLL , iXCHG }, /* 94 */
|
|
|
+ { regop, axImp, 0 , iXCHG }, /* 95 */
|
|
|
+ { regop, axImp, 0 , iXCHG }, /* 96 */
|
|
|
+ { regop, axImp, 0 , iXCHG }, /* 97 */
|
|
|
+ { alImp, axImp, SRC_B | S_EXT , iSIGNEX}, /* 98 */
|
|
|
+ {axSrcIm, axImp, IM_DST | S_EXT , iSIGNEX}, /* 99 */
|
|
|
+ { dispF, none2, 0 , iCALLF }, /* 9A */
|
|
|
+ { none1, none2, FLOAT_OP| NO_OPS , iWAIT }, /* 9B */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iPUSHF}, /* 9C */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iPOPF }, /* 9D */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iSAHF }, /* 9E */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iLAHF }, /* 9F */
|
|
|
+ { dispM, axImp, B , iMOV }, /* A0 */
|
|
|
+ { dispM, axImp, 0 , iMOV }, /* A1 */
|
|
|
+ { dispM, axImp, TO_REG | B , iMOV }, /* A2 */
|
|
|
+ { dispM, axImp, TO_REG , iMOV }, /* A3 */
|
|
|
+ { strop, memImp, B | IM_OPS , iMOVS }, /* A4 */
|
|
|
+ { strop, memImp, IM_OPS , iMOVS }, /* A5 */
|
|
|
+ { strop, memImp, B | IM_OPS , iCMPS }, /* A6 */
|
|
|
+ { strop, memImp, IM_OPS , iCMPS }, /* A7 */
|
|
|
+ { data1, axImp, B , iTEST }, /* A8 */
|
|
|
+ { data2, axImp, 0 , iTEST }, /* A9 */
|
|
|
+ { strop, memImp, B | IM_OPS , iSTOS }, /* AA */
|
|
|
+ { strop, memImp, IM_OPS , iSTOS }, /* AB */
|
|
|
+ { strop, memImp, B | IM_OPS , iLODS }, /* AC */
|
|
|
+ { strop, memImp, IM_OPS , iLODS }, /* AD */
|
|
|
+ { strop, memImp, B | IM_OPS , iSCAS }, /* AE */
|
|
|
+ { strop, memImp, IM_OPS , iSCAS }, /* AF */
|
|
|
+ { regop, data1, B , iMOV }, /* B0 */
|
|
|
+ { regop, data1, B , iMOV }, /* B1 */
|
|
|
+ { regop, data1, B , iMOV }, /* B2 */
|
|
|
+ { regop, data1, B , iMOV }, /* B3 */
|
|
|
+ { regop, data1, B , iMOV }, /* B4 */
|
|
|
+ { regop, data1, B , iMOV }, /* B5 */
|
|
|
+ { regop, data1, B , iMOV }, /* B6 */
|
|
|
+ { regop, data1, B , iMOV }, /* B7 */
|
|
|
+ { regop, data2, 0 , iMOV }, /* B8 */
|
|
|
+ { regop, data2, 0 , iMOV }, /* B9 */
|
|
|
+ { regop, data2, 0 , iMOV }, /* BA */
|
|
|
+ { regop, data2, 0 , iMOV }, /* BB */
|
|
|
+ { regop, data2, NOT_HLL , iMOV }, /* BC */
|
|
|
+ { regop, data2, 0 , iMOV }, /* BD */
|
|
|
+ { regop, data2, 0 , iMOV }, /* BE */
|
|
|
+ { regop, data2, 0 , iMOV }, /* BF */
|
|
|
+ { shift, data1, B , iZERO }, /* C0 */
|
|
|
+ { shift, data1, NSP | SRC_B , iZERO }, /* C1 */
|
|
|
+ { data2, none2, 0 , iRET }, /* C2 */
|
|
|
+ { none1, none2, NO_OPS , iRET }, /* C3 */
|
|
|
+ { memOnly, modrm, TO_REG | NSP , iLES }, /* C4 */
|
|
|
+ { memOnly, modrm, TO_REG | NSP , iLDS }, /* C5 */
|
|
|
+ { memReg0, data1, B , iMOV }, /* C6 */
|
|
|
+ { memReg0, data2, 0 , iMOV }, /* C7 */
|
|
|
+ { data2, data1, 0 , iENTER}, /* C8 */
|
|
|
+ { none1, none2, NO_OPS , iLEAVE}, /* C9 */
|
|
|
+ { data2, none2, 0 , iRETF }, /* CA */
|
|
|
+ { none1, none2, NO_OPS , iRETF }, /* CB */
|
|
|
+ { const3, none2, NOT_HLL , iINT }, /* CC */
|
|
|
+ { data1,checkInt, NOT_HLL , iINT }, /* CD */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iINTO }, /* CE */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iIRET }, /* Cf */
|
|
|
+ { shift, const1, B , iZERO }, /* D0 */
|
|
|
+ { shift, const1, SRC_B , iZERO }, /* D1 */
|
|
|
+ { shift, none1, B , iZERO }, /* D2 */
|
|
|
+ { shift, none1, SRC_B , iZERO }, /* D3 */
|
|
|
+ { data1, axImp, NOT_HLL , iAAM }, /* D4 */
|
|
|
+ { data1, axImp, NOT_HLL , iAAD }, /* D5 */
|
|
|
+ { none1, none2, 0 , iZERO }, /* D6 */
|
|
|
+ { memImp, axImp, NOT_HLL | B| IM_OPS , iXLAT }, /* D7 */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* D8 */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* D9 */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* DA */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* DB */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* DC */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* DD */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* DE */
|
|
|
+ { escop, none2, FLOAT_OP , iESC }, /* Df */
|
|
|
+ { dispS, none2, 0 , iLOOPNE}, /* E0 */
|
|
|
+ { dispS, none2, 0 , iLOOPE}, /* E1 */
|
|
|
+ { dispS, none2, 0 , iLOOP }, /* E2 */
|
|
|
+ { dispS, none2, 0 , iJCXZ }, /* E3 */
|
|
|
+ { data1, axImp, NOT_HLL | B|NO_SRC , iIN }, /* E4 */
|
|
|
+ { data1, axImp, NOT_HLL | NO_SRC , iIN }, /* E5 */
|
|
|
+ { data1, axImp, NOT_HLL | B|NO_SRC , iOUT }, /* E6 */
|
|
|
+ { data1, axImp, NOT_HLL | NO_SRC , iOUT }, /* E7 */
|
|
|
+ { dispN, none2, 0 , iCALL }, /* E8 */
|
|
|
+ { dispN, none2, 0 , iJMP }, /* E9 */
|
|
|
+ { dispF, none2, 0 , iJMPF }, /* EA */
|
|
|
+ { dispS, none2, 0 , iJMP }, /* EB */
|
|
|
+ { none1, axImp, NOT_HLL | B|NO_SRC , iIN }, /* EC */
|
|
|
+ { none1, axImp, NOT_HLL | NO_SRC , iIN }, /* ED */
|
|
|
+ { none1, axImp, NOT_HLL | B|NO_SRC , iOUT }, /* EE */
|
|
|
+ { none1, axImp, NOT_HLL | NO_SRC , iOUT }, /* EF */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iLOCK }, /* F0 */
|
|
|
+ { none1, none2, 0 , iZERO }, /* F1 */
|
|
|
+ { prefix, none2, 0 , iREPNE}, /* F2 */
|
|
|
+ { prefix, none2, 0 , iREPE }, /* F3 */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iHLT }, /* F4 */
|
|
|
+ { none1, none2, NO_OPS , iCMC }, /* F5 */
|
|
|
+ { arith, none1, B , iZERO }, /* F6 */
|
|
|
+ { arith, none1, NSP , iZERO }, /* F7 */
|
|
|
+ { none1, none2, NO_OPS , iCLC }, /* F8 */
|
|
|
+ { none1, none2, NO_OPS , iSTC }, /* F9 */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iCLI }, /* FA */
|
|
|
+ { none1, none2, NOT_HLL | NO_OPS , iSTI }, /* FB */
|
|
|
+ { none1, none2, NO_OPS , iCLD }, /* FC */
|
|
|
+ { none1, none2, NO_OPS , iSTD }, /* FD */
|
|
|
+ { trans, none1, B , iZERO }, /* FE */
|
|
|
+ { trans, none1, NSP , iZERO } /* FF */
|
|
|
} ;
|
|
|
|
|
|
static uint16_t SegPrefix, RepPrefix;
|
|
@@ -325,6 +322,94 @@ static ICODE * pIcode; /* Ptr to Icode record filled in by scan() */
|
|
|
Scans one machine instruction at offset ip in prog.Image and returns error.
|
|
|
At the same time, fill in low-level icode details for the scanned inst.
|
|
|
****************************************************************************/
|
|
|
+
|
|
|
+static void convertUsedFlags(x86_insn_t &from,ICODE &to)
|
|
|
+{
|
|
|
+ to.ll()->flagDU.d=0;
|
|
|
+ to.ll()->flagDU.u=0;
|
|
|
+ if(from.containsFlag(insn_eflag_carry,from.flags_set))
|
|
|
+ to.ll()->flagDU.d |= Cf;
|
|
|
+ if(from.containsFlag(insn_eflag_sign,from.flags_set))
|
|
|
+ to.ll()->flagDU.d |= Sf;
|
|
|
+ if(from.containsFlag(insn_eflag_zero,from.flags_set))
|
|
|
+ to.ll()->flagDU.d |= Zf;
|
|
|
+ if(from.containsFlag(insn_eflag_direction,from.flags_set))
|
|
|
+ to.ll()->flagDU.d |= Df;
|
|
|
+
|
|
|
+ if(from.containsFlag(insn_eflag_carry,from.flags_tested))
|
|
|
+ to.ll()->flagDU.u |= Cf;
|
|
|
+ if(from.containsFlag(insn_eflag_sign,from.flags_tested))
|
|
|
+ to.ll()->flagDU.u |= Sf;
|
|
|
+ if(from.containsFlag(insn_eflag_zero,from.flags_tested))
|
|
|
+ to.ll()->flagDU.u |= Zf;
|
|
|
+ if(from.containsFlag(insn_eflag_direction,from.flags_tested))
|
|
|
+ to.ll()->flagDU.u |= Df;
|
|
|
+}
|
|
|
+/****************************************************************************
|
|
|
+ Checks for int 34 to int 3B - if so, converts to ESC nn instruction
|
|
|
+ ****************************************************************************/
|
|
|
+static void fixFloatEmulation(x86_insn_t &insn)
|
|
|
+{
|
|
|
+ if(insn.group!=x86_insn_t::insn_interrupt)
|
|
|
+ return;
|
|
|
+ PROG &prog(Project::get()->prog);
|
|
|
+ uint16_t wOp=insn.x86_get_imm()->data.word;
|
|
|
+ if ((wOp < 0x34) || (wOp > 0x3B))
|
|
|
+ return;
|
|
|
+ uint8_t buf[16];
|
|
|
+ /* This is a Borland/Microsoft floating point emulation instruction.
|
|
|
+ Treat as if it is an ESC opcode */
|
|
|
+
|
|
|
+ int actual_valid_bytes=std::min(16U,prog.cbImage-insn.offset);
|
|
|
+ memcpy(buf,prog.Image+insn.offset,actual_valid_bytes);
|
|
|
+ X86_Disasm ds(opt_16_bit);
|
|
|
+ x86_insn_t patched_insn;
|
|
|
+ //patch actual instruction into buffer;
|
|
|
+ buf[1] = wOp-0x34+0xD8;
|
|
|
+ ds.x86_disasm(buf,actual_valid_bytes,0,1,&patched_insn);
|
|
|
+ patched_insn.addr = insn.addr; // actual address
|
|
|
+ patched_insn.offset = insn.offset; // actual offset
|
|
|
+ insn = patched_insn;
|
|
|
+ insn.size += 1; // to account for emulator call INT
|
|
|
+}
|
|
|
+
|
|
|
+int disassembleOneLibDisasm(uint32_t ip,x86_insn_t &l)
|
|
|
+{
|
|
|
+ PROG &prog(Project::get()->prog);
|
|
|
+ X86_Disasm ds(opt_16_bit);
|
|
|
+ int cnt=ds.x86_disasm(prog.Image,prog.cbImage,0,ip,&l);
|
|
|
+ if(cnt && l.is_valid())
|
|
|
+ {
|
|
|
+ fixFloatEmulation(l); //can change 'l'
|
|
|
+ }
|
|
|
+ if(l.is_valid())
|
|
|
+ return l.size;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+eReg convertRegister(const x86_reg_t ®)
|
|
|
+{
|
|
|
+
|
|
|
+ eReg regmap[]={ rUNDEF,
|
|
|
+ rUNDEF,rUNDEF,rUNDEF,rUNDEF, //eax ecx ebx edx
|
|
|
+ rUNDEF,rUNDEF,rUNDEF,rUNDEF, //esp ebp esi edi
|
|
|
+ rAX,rCX,rDX,rBX,
|
|
|
+ rSP,rBP,rSI,rDI,
|
|
|
+ rAL,rCL,rDL,rBL,
|
|
|
+ rAH,rCH,rDH,rBH
|
|
|
+ };
|
|
|
+ assert(reg.id<sizeof(regmap)/sizeof(eReg));
|
|
|
+ return regmap[reg.id];
|
|
|
+}
|
|
|
+LLOperand convertOperand(const x86_op_t &from)
|
|
|
+{
|
|
|
+ switch(from.type)
|
|
|
+ {
|
|
|
+ case op_unused:
|
|
|
+ break;
|
|
|
+ case op_register:
|
|
|
+ return LLOperand::CreateReg2(convertRegister(from.data.reg));
|
|
|
+ }
|
|
|
+}
|
|
|
eErrorId scan(uint32_t ip, ICODE &p)
|
|
|
{
|
|
|
PROG &prog(Project::get()->prog);
|
|
@@ -336,6 +421,11 @@ eErrorId scan(uint32_t ip, ICODE &p)
|
|
|
{
|
|
|
return (IP_OUT_OF_RANGE);
|
|
|
}
|
|
|
+ int cnt=disassembleOneLibDisasm(ip,p.insn);
|
|
|
+ if(cnt)
|
|
|
+ {
|
|
|
+ convertUsedFlags(p.insn,p);
|
|
|
+ }
|
|
|
|
|
|
SegPrefix = RepPrefix = 0;
|
|
|
pInst = prog.Image + ip;
|
|
@@ -344,20 +434,18 @@ eErrorId scan(uint32_t ip, ICODE &p)
|
|
|
do
|
|
|
{
|
|
|
op = *pInst++; /* First state - trivial */
|
|
|
- /* Convert to Icode.opcode */
|
|
|
+ /* Convert to Icode.opcode */
|
|
|
p.ll()->set(stateTable[op].opcode,stateTable[op].flg & ICODEMASK);
|
|
|
- p.ll()->flagDU.d = stateTable[op].df;
|
|
|
- p.ll()->flagDU.u = stateTable[op].uf;
|
|
|
-
|
|
|
(*stateTable[op].state1)(op); /* Second state */
|
|
|
(*stateTable[op].state2)(op); /* Third state */
|
|
|
|
|
|
} while (stateTable[op].state1 == prefix); /* Loop if prefix */
|
|
|
-
|
|
|
if (p.ll()->getOpcode())
|
|
|
{
|
|
|
/* Save bytes of image used */
|
|
|
p.ll()->numBytes = (uint8_t)((pInst - prog.Image) - ip);
|
|
|
+ if(p.insn.is_valid())
|
|
|
+ assert(p.ll()->numBytes == p.insn.size);
|
|
|
return ((SegPrefix)? FUNNY_SEGOVR: /* Seg. Override invalid */
|
|
|
(RepPrefix ? FUNNY_REP: NO_ERR));/* REP prefix invalid */
|
|
|
}
|
|
@@ -365,7 +453,6 @@ eErrorId scan(uint32_t ip, ICODE &p)
|
|
|
return ((stateTable[op].flg & OP386)? INVALID_386OP: INVALID_OPCODE);
|
|
|
}
|
|
|
|
|
|
-
|
|
|
/***************************************************************************
|
|
|
relocItem - returns true if uint16_t pointed at is in relocation table
|
|
|
**************************************************************************/
|
|
@@ -519,7 +606,7 @@ static void regop(int i)
|
|
|
{
|
|
|
setAddress(i, false, 0, ((int16_t)i & 7) + rAX, 0);
|
|
|
pIcode->ll()->replaceDst(LLOperand::CreateReg2(pIcode->ll()->src().getReg2()));
|
|
|
-// pIcode->ll()->dst.regi = pIcode->ll()->src.regi;
|
|
|
+ // pIcode->ll()->dst.regi = pIcode->ll()->src.regi;
|
|
|
}
|
|
|
|
|
|
|
|
@@ -590,11 +677,8 @@ static void memReg0(int i)
|
|
|
static void immed(int i)
|
|
|
{
|
|
|
static llIcode immedTable[8] = {iADD, iOR, iADC, iSBB, iAND, iSUB, iXOR, iCMP};
|
|
|
- static uint8_t uf[8] = { 0, 0, Cf, Cf, 0, 0, 0, 0 };
|
|
|
|
|
|
pIcode->ll()->setOpcode(immedTable[REG(*pInst)]) ;
|
|
|
- pIcode->ll()->flagDU.u = uf[REG(*pInst)];
|
|
|
- pIcode->ll()->flagDU.d = (Sf | Zf | Cf);
|
|
|
rm(i);
|
|
|
|
|
|
if (pIcode->ll()->getOpcode() == iADD || pIcode->ll()->getOpcode() == iSUB)
|
|
@@ -611,13 +695,8 @@ static void shift(int i)
|
|
|
{
|
|
|
(llIcode)iROL, (llIcode)iROR, (llIcode)iRCL, (llIcode)iRCR,
|
|
|
(llIcode)iSHL, (llIcode)iSHR, (llIcode)0, (llIcode)iSAR};
|
|
|
- static uint8_t uf[8] = {0, 0, Cf, Cf, 0, 0, 0, 0 };
|
|
|
- static uint8_t df[8] = {Cf, Cf, Cf, Cf, Sf | Zf | Cf,
|
|
|
- Sf | Zf | Cf, 0, Sf | Zf | Cf};
|
|
|
|
|
|
pIcode->ll()->setOpcode(shiftTable[REG(*pInst)]);
|
|
|
- pIcode->ll()->flagDU.u = uf[REG(*pInst)];
|
|
|
- pIcode->ll()->flagDU.d = df[REG(*pInst)];
|
|
|
rm(i);
|
|
|
pIcode->ll()->replaceSrc(rCL); //src.regi =
|
|
|
}
|
|
@@ -633,11 +712,9 @@ static void trans(int i)
|
|
|
(llIcode)iINC, (llIcode)iDEC, (llIcode)iCALL, (llIcode)iCALLF,
|
|
|
(llIcode)iJMP, (llIcode)iJMPF,(llIcode)iPUSH, (llIcode)0
|
|
|
};
|
|
|
- static uint8_t df[8] = {Sf | Zf, Sf | Zf, 0, 0, 0, 0, 0, 0};
|
|
|
LLInst *ll = pIcode->ll();
|
|
|
if ((uint8_t)REG(*pInst) < 2 || !(stateTable[i].flg & B)) { /* INC & DEC */
|
|
|
ll->setOpcode(transTable[REG(*pInst)]); /* valid on bytes */
|
|
|
- ll->flagDU.d = df[REG(*pInst)];
|
|
|
rm(i);
|
|
|
ll->replaceSrc( pIcode->ll()->dst );
|
|
|
if (ll->match(iJMP) || ll->match(iCALL) || ll->match(iCALLF))
|
|
@@ -659,12 +736,8 @@ static void arith(int i)
|
|
|
iTEST , (llIcode)0, iNOT, iNEG,
|
|
|
iMUL , iIMUL, iDIV, iIDIV
|
|
|
};
|
|
|
- static uint8_t df[8] = {Sf | Zf | Cf, 0, 0, Sf | Zf | Cf,
|
|
|
- Sf | Zf | Cf, Sf | Zf | Cf, Sf | Zf | Cf,
|
|
|
- Sf | Zf | Cf};
|
|
|
opcode = arithTable[REG(*pInst)];
|
|
|
pIcode->ll()->setOpcode((llIcode)opcode);
|
|
|
- pIcode->ll()->flagDU.d = df[REG(*pInst)];
|
|
|
rm(i);
|
|
|
if (opcode == iTEST)
|
|
|
{
|