db_disasm.c revision 17109
18876Srgrimes/* 24Srgrimes * Mach Operating System 34Srgrimes * Copyright (c) 1991,1990 Carnegie Mellon University 44Srgrimes * All Rights Reserved. 58876Srgrimes * 64Srgrimes * Permission to use, copy, modify and distribute this software and its 74Srgrimes * documentation is hereby granted, provided that both the copyright 84Srgrimes * notice and this permission notice appear in all copies of the 94Srgrimes * software, derivative works or modified versions, and any portions 104Srgrimes * thereof, and that both notices appear in supporting documentation. 118876Srgrimes * 128876Srgrimes * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 134Srgrimes * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 144Srgrimes * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 158876Srgrimes * 164Srgrimes * Carnegie Mellon requests users of this software to return to 178876Srgrimes * 184Srgrimes * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 194Srgrimes * School of Computer Science 204Srgrimes * Carnegie Mellon University 214Srgrimes * Pittsburgh PA 15213-3890 228876Srgrimes * 234Srgrimes * any improvements or extensions that they make and grant Carnegie the 244Srgrimes * rights to redistribute these changes. 25118Srgrimes * 2617109Sbde * $Id: db_disasm.c,v 1.15 1996/06/08 10:15:48 bde Exp $ 274Srgrimes */ 284Srgrimes 294Srgrimes/* 304Srgrimes * Instruction disassembler. 314Srgrimes */ 322056Swollman#include <sys/param.h> 332056Swollman#include <sys/systm.h> 342056Swollman#include <sys/proc.h> 3512662Sdg#include <vm/vm.h> 3612662Sdg#include <vm/vm_param.h> 372056Swollman#include <ddb/ddb.h> 384Srgrimes 394Srgrimes#include <ddb/db_access.h> 404Srgrimes#include <ddb/db_sym.h> 414Srgrimes 424Srgrimes/* 434Srgrimes * Size attributes 444Srgrimes */ 454Srgrimes#define BYTE 0 464Srgrimes#define WORD 1 474Srgrimes#define LONG 2 484Srgrimes#define QUAD 3 494Srgrimes#define SNGL 4 504Srgrimes#define DBLR 5 514Srgrimes#define EXTR 6 524Srgrimes#define SDEP 7 534Srgrimes#define NONE 8 544Srgrimes 554Srgrimes/* 564Srgrimes * Addressing modes 574Srgrimes */ 584Srgrimes#define E 1 /* general effective address */ 594Srgrimes#define Eind 2 /* indirect address (jump, call) */ 604Srgrimes#define Ew 3 /* address, word size */ 614Srgrimes#define Eb 4 /* address, byte size */ 624Srgrimes#define R 5 /* register, in 'reg' field */ 634Srgrimes#define Rw 6 /* word register, in 'reg' field */ 644Srgrimes#define Ri 7 /* register in instruction */ 654Srgrimes#define S 8 /* segment reg, in 'reg' field */ 664Srgrimes#define Si 9 /* segment reg, in instruction */ 674Srgrimes#define A 10 /* accumulator */ 684Srgrimes#define BX 11 /* (bx) */ 694Srgrimes#define CL 12 /* cl, for shifts */ 704Srgrimes#define DX 13 /* dx, for IO */ 714Srgrimes#define SI 14 /* si */ 724Srgrimes#define DI 15 /* di */ 734Srgrimes#define CR 16 /* control register */ 744Srgrimes#define DR 17 /* debug register */ 754Srgrimes#define TR 18 /* test register */ 764Srgrimes#define I 19 /* immediate, unsigned */ 774Srgrimes#define Is 20 /* immediate, signed */ 784Srgrimes#define Ib 21 /* byte immediate, unsigned */ 794Srgrimes#define Ibs 22 /* byte immediate, signed */ 804Srgrimes#define Iw 23 /* word immediate, unsigned */ 814Srgrimes#define Il 24 /* long immediate */ 824Srgrimes#define O 25 /* direct address */ 834Srgrimes#define Db 26 /* byte displacement from EIP */ 844Srgrimes#define Dl 27 /* long displacement from EIP */ 854Srgrimes#define o1 28 /* constant 1 */ 864Srgrimes#define o3 29 /* constant 3 */ 874Srgrimes#define OS 30 /* immediate offset/segment */ 884Srgrimes#define ST 31 /* FP stack top */ 894Srgrimes#define STI 32 /* FP stack */ 904Srgrimes#define X 33 /* extended FP op */ 914Srgrimes#define XA 34 /* for 'fstcw %ax' */ 924Srgrimes 9311940Sbdestruct inst { 9414887Swollman const char * i_name; /* name */ 954Srgrimes short i_has_modrm; /* has regmodrm byte */ 964Srgrimes short i_size; /* operand size */ 974Srgrimes int i_mode; /* addressing modes */ 9817109Sbde const void * i_extra; /* pointer to extra opcode table */ 994Srgrimes}; 1004Srgrimes 1014Srgrimes#define op1(x) (x) 1024Srgrimes#define op2(x,y) ((x)|((y)<<8)) 1034Srgrimes#define op3(x,y,z) ((x)|((y)<<8)|((z)<<16)) 1044Srgrimes 10511940Sbdestruct finst { 10614887Swollman const char * f_name; /* name for memory instruction */ 1074Srgrimes int f_size; /* size for memory instruction */ 1084Srgrimes int f_rrmode; /* mode for rr instruction */ 10917109Sbde const void * f_rrname; /* name for rr instruction 1104Srgrimes (or pointer to table) */ 1114Srgrimes}; 1124Srgrimes 11314887Swollmanstatic const char * const db_Grp6[] = { 1144Srgrimes "sldt", 1154Srgrimes "str", 1164Srgrimes "lldt", 1174Srgrimes "ltr", 1184Srgrimes "verr", 1194Srgrimes "verw", 1204Srgrimes "", 1214Srgrimes "" 1224Srgrimes}; 1234Srgrimes 12414887Swollmanstatic const char * const db_Grp7[] = { 1254Srgrimes "sgdt", 1264Srgrimes "sidt", 1274Srgrimes "lgdt", 1284Srgrimes "lidt", 1294Srgrimes "smsw", 1304Srgrimes "", 1314Srgrimes "lmsw", 1324Srgrimes "invlpg" 1334Srgrimes}; 1344Srgrimes 13514887Swollmanstatic const char * const db_Grp8[] = { 1364Srgrimes "", 1374Srgrimes "", 1384Srgrimes "", 1394Srgrimes "", 1404Srgrimes "bt", 1414Srgrimes "bts", 1424Srgrimes "btr", 1434Srgrimes "btc" 1444Srgrimes}; 1454Srgrimes 14614887Swollmanstatic const struct inst db_inst_0f0x[] = { 14717109Sbde/*00*/ { "", TRUE, NONE, op1(Ew), db_Grp6 }, 14817109Sbde/*01*/ { "", TRUE, NONE, op1(Ew), db_Grp7 }, 1494Srgrimes/*02*/ { "lar", TRUE, LONG, op2(E,R), 0 }, 1504Srgrimes/*03*/ { "lsl", TRUE, LONG, op2(E,R), 0 }, 1514Srgrimes/*04*/ { "", FALSE, NONE, 0, 0 }, 1524Srgrimes/*05*/ { "", FALSE, NONE, 0, 0 }, 1534Srgrimes/*06*/ { "clts", FALSE, NONE, 0, 0 }, 1544Srgrimes/*07*/ { "", FALSE, NONE, 0, 0 }, 1554Srgrimes 1564Srgrimes/*08*/ { "invd", FALSE, NONE, 0, 0 }, 1574Srgrimes/*09*/ { "wbinvd",FALSE, NONE, 0, 0 }, 1584Srgrimes/*0a*/ { "", FALSE, NONE, 0, 0 }, 1594Srgrimes/*0b*/ { "", FALSE, NONE, 0, 0 }, 1604Srgrimes/*0c*/ { "", FALSE, NONE, 0, 0 }, 1614Srgrimes/*0d*/ { "", FALSE, NONE, 0, 0 }, 1624Srgrimes/*0e*/ { "", FALSE, NONE, 0, 0 }, 1634Srgrimes/*0f*/ { "", FALSE, NONE, 0, 0 }, 1644Srgrimes}; 1654Srgrimes 16617109Sbdestatic const struct inst db_inst_0f2x[] = { 1674Srgrimes/*20*/ { "mov", TRUE, LONG, op2(CR,E), 0 }, /* use E for reg */ 1684Srgrimes/*21*/ { "mov", TRUE, LONG, op2(DR,E), 0 }, /* since mod == 11 */ 1694Srgrimes/*22*/ { "mov", TRUE, LONG, op2(E,CR), 0 }, 1704Srgrimes/*23*/ { "mov", TRUE, LONG, op2(E,DR), 0 }, 1714Srgrimes/*24*/ { "mov", TRUE, LONG, op2(TR,E), 0 }, 1724Srgrimes/*25*/ { "", FALSE, NONE, 0, 0 }, 1734Srgrimes/*26*/ { "mov", TRUE, LONG, op2(E,TR), 0 }, 1744Srgrimes/*27*/ { "", FALSE, NONE, 0, 0 }, 1754Srgrimes 1764Srgrimes/*28*/ { "", FALSE, NONE, 0, 0 }, 1774Srgrimes/*29*/ { "", FALSE, NONE, 0, 0 }, 1784Srgrimes/*2a*/ { "", FALSE, NONE, 0, 0 }, 1794Srgrimes/*2b*/ { "", FALSE, NONE, 0, 0 }, 1804Srgrimes/*2c*/ { "", FALSE, NONE, 0, 0 }, 1814Srgrimes/*2d*/ { "", FALSE, NONE, 0, 0 }, 1824Srgrimes/*2e*/ { "", FALSE, NONE, 0, 0 }, 1834Srgrimes/*2f*/ { "", FALSE, NONE, 0, 0 }, 1844Srgrimes}; 1854Srgrimes 18614887Swollmanstatic const struct inst db_inst_0f3x[] = { 18714887Swollman/*30*/ { "wrmsr", FALSE, NONE, 0, 0 }, 18814887Swollman/*31*/ { "rdtsc", FALSE, NONE, 0, 0 }, 18914887Swollman/*32*/ { "rdmsr", FALSE, NONE, 0, 0 }, 19014887Swollman/*33*/ { "rdpmc", FALSE, NONE, 0, 0 }, 19114887Swollman/*34*/ { "", FALSE, NONE, 0, 0 }, 19214887Swollman/*35*/ { "", FALSE, NONE, 0, 0 }, 19314887Swollman/*36*/ { "", FALSE, NONE, 0, 0 }, 19414887Swollman/*37*/ { "", FALSE, NONE, 0, 0 }, 19514887Swollman 19614887Swollman/*38*/ { "", FALSE, NONE, 0, 0 }, 19714887Swollman/*39*/ { "", FALSE, NONE, 0, 0 }, 19814887Swollman/*3a*/ { "", FALSE, NONE, 0, 0 }, 19914887Swollman/*3b*/ { "", FALSE, NONE, 0, 0 }, 20014887Swollman/*3c*/ { "", FALSE, NONE, 0, 0 }, 20114887Swollman/*3d*/ { "", FALSE, NONE, 0, 0 }, 20214887Swollman/*3e*/ { "", FALSE, NONE, 0, 0 }, 20314887Swollman/*3f*/ { "", FALSE, NONE, 0, 0 }, 20414887Swollman}; 20514887Swollman 20617109Sbdestatic const struct inst db_inst_0f8x[] = { 2074Srgrimes/*80*/ { "jo", FALSE, NONE, op1(Dl), 0 }, 2084Srgrimes/*81*/ { "jno", FALSE, NONE, op1(Dl), 0 }, 2094Srgrimes/*82*/ { "jb", FALSE, NONE, op1(Dl), 0 }, 2104Srgrimes/*83*/ { "jnb", FALSE, NONE, op1(Dl), 0 }, 2114Srgrimes/*84*/ { "jz", FALSE, NONE, op1(Dl), 0 }, 2124Srgrimes/*85*/ { "jnz", FALSE, NONE, op1(Dl), 0 }, 2134Srgrimes/*86*/ { "jbe", FALSE, NONE, op1(Dl), 0 }, 2144Srgrimes/*87*/ { "jnbe", FALSE, NONE, op1(Dl), 0 }, 2154Srgrimes 2164Srgrimes/*88*/ { "js", FALSE, NONE, op1(Dl), 0 }, 2174Srgrimes/*89*/ { "jns", FALSE, NONE, op1(Dl), 0 }, 2184Srgrimes/*8a*/ { "jp", FALSE, NONE, op1(Dl), 0 }, 2194Srgrimes/*8b*/ { "jnp", FALSE, NONE, op1(Dl), 0 }, 2204Srgrimes/*8c*/ { "jl", FALSE, NONE, op1(Dl), 0 }, 2214Srgrimes/*8d*/ { "jnl", FALSE, NONE, op1(Dl), 0 }, 2224Srgrimes/*8e*/ { "jle", FALSE, NONE, op1(Dl), 0 }, 2234Srgrimes/*8f*/ { "jnle", FALSE, NONE, op1(Dl), 0 }, 2244Srgrimes}; 2254Srgrimes 22617109Sbdestatic const struct inst db_inst_0f9x[] = { 2274Srgrimes/*90*/ { "seto", TRUE, NONE, op1(Eb), 0 }, 2284Srgrimes/*91*/ { "setno", TRUE, NONE, op1(Eb), 0 }, 2294Srgrimes/*92*/ { "setb", TRUE, NONE, op1(Eb), 0 }, 2304Srgrimes/*93*/ { "setnb", TRUE, NONE, op1(Eb), 0 }, 2314Srgrimes/*94*/ { "setz", TRUE, NONE, op1(Eb), 0 }, 2324Srgrimes/*95*/ { "setnz", TRUE, NONE, op1(Eb), 0 }, 2334Srgrimes/*96*/ { "setbe", TRUE, NONE, op1(Eb), 0 }, 2344Srgrimes/*97*/ { "setnbe",TRUE, NONE, op1(Eb), 0 }, 2354Srgrimes 2364Srgrimes/*98*/ { "sets", TRUE, NONE, op1(Eb), 0 }, 2374Srgrimes/*99*/ { "setns", TRUE, NONE, op1(Eb), 0 }, 2384Srgrimes/*9a*/ { "setp", TRUE, NONE, op1(Eb), 0 }, 2394Srgrimes/*9b*/ { "setnp", TRUE, NONE, op1(Eb), 0 }, 2404Srgrimes/*9c*/ { "setl", TRUE, NONE, op1(Eb), 0 }, 2414Srgrimes/*9d*/ { "setnl", TRUE, NONE, op1(Eb), 0 }, 2424Srgrimes/*9e*/ { "setle", TRUE, NONE, op1(Eb), 0 }, 2434Srgrimes/*9f*/ { "setnle",TRUE, NONE, op1(Eb), 0 }, 2444Srgrimes}; 2454Srgrimes 24617109Sbdestatic const struct inst db_inst_0fax[] = { 2474Srgrimes/*a0*/ { "push", FALSE, NONE, op1(Si), 0 }, 2484Srgrimes/*a1*/ { "pop", FALSE, NONE, op1(Si), 0 }, 2494Srgrimes/*a2*/ { "", FALSE, NONE, 0, 0 }, 2504Srgrimes/*a3*/ { "bt", TRUE, LONG, op2(E,R), 0 }, 25117109Sbde/*a4*/ { "shld", TRUE, LONG, op3(Ib,R,E), 0 }, 25217109Sbde/*a5*/ { "shld", TRUE, LONG, op3(CL,R,E), 0 }, 2534Srgrimes/*a6*/ { "", FALSE, NONE, 0, 0 }, 2544Srgrimes/*a7*/ { "", FALSE, NONE, 0, 0 }, 2554Srgrimes 2564Srgrimes/*a8*/ { "push", FALSE, NONE, op1(Si), 0 }, 2574Srgrimes/*a9*/ { "pop", FALSE, NONE, op1(Si), 0 }, 2584Srgrimes/*aa*/ { "", FALSE, NONE, 0, 0 }, 2594Srgrimes/*ab*/ { "bts", TRUE, LONG, op2(E,R), 0 }, 26017109Sbde/*ac*/ { "shrd", TRUE, LONG, op3(Ib,R,E), 0 }, 26117109Sbde/*ad*/ { "shrd", TRUE, LONG, op3(CL,R,E), 0 }, 2624Srgrimes/*a6*/ { "", FALSE, NONE, 0, 0 }, 2634Srgrimes/*a7*/ { "imul", TRUE, LONG, op2(E,R), 0 }, 2644Srgrimes}; 2654Srgrimes 26617109Sbdestatic const struct inst db_inst_0fbx[] = { 2674Srgrimes/*b0*/ { "", FALSE, NONE, 0, 0 }, 2684Srgrimes/*b1*/ { "", FALSE, NONE, 0, 0 }, 2694Srgrimes/*b2*/ { "lss", TRUE, LONG, op2(E, R), 0 }, 2704Srgrimes/*b3*/ { "bts", TRUE, LONG, op2(R, E), 0 }, 2714Srgrimes/*b4*/ { "lfs", TRUE, LONG, op2(E, R), 0 }, 2724Srgrimes/*b5*/ { "lgs", TRUE, LONG, op2(E, R), 0 }, 2734Srgrimes/*b6*/ { "movzb", TRUE, LONG, op2(E, R), 0 }, 2744Srgrimes/*b7*/ { "movzw", TRUE, LONG, op2(E, R), 0 }, 2754Srgrimes 2764Srgrimes/*b8*/ { "", FALSE, NONE, 0, 0 }, 2774Srgrimes/*b9*/ { "", FALSE, NONE, 0, 0 }, 27817109Sbde/*ba*/ { "", TRUE, LONG, op2(Ib, E), db_Grp8 }, 2794Srgrimes/*bb*/ { "btc", TRUE, LONG, op2(R, E), 0 }, 2804Srgrimes/*bc*/ { "bsf", TRUE, LONG, op2(E, R), 0 }, 2814Srgrimes/*bd*/ { "bsr", TRUE, LONG, op2(E, R), 0 }, 2824Srgrimes/*be*/ { "movsb", TRUE, LONG, op2(E, R), 0 }, 2834Srgrimes/*bf*/ { "movsw", TRUE, LONG, op2(E, R), 0 }, 2844Srgrimes}; 2854Srgrimes 28617109Sbdestatic const struct inst db_inst_0fcx[] = { 2874Srgrimes/*c0*/ { "xadd", TRUE, BYTE, op2(R, E), 0 }, 2884Srgrimes/*c1*/ { "xadd", TRUE, LONG, op2(R, E), 0 }, 2894Srgrimes/*c2*/ { "", FALSE, NONE, 0, 0 }, 2904Srgrimes/*c3*/ { "", FALSE, NONE, 0, 0 }, 2914Srgrimes/*c4*/ { "", FALSE, NONE, 0, 0 }, 2924Srgrimes/*c5*/ { "", FALSE, NONE, 0, 0 }, 2934Srgrimes/*c6*/ { "", FALSE, NONE, 0, 0 }, 2944Srgrimes/*c7*/ { "", FALSE, NONE, 0, 0 }, 2954Srgrimes/*c8*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 2964Srgrimes/*c9*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 2974Srgrimes/*ca*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 2984Srgrimes/*cb*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 2994Srgrimes/*cc*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 3004Srgrimes/*cd*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 3014Srgrimes/*ce*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 3024Srgrimes/*cf*/ { "bswap", FALSE, LONG, op1(Ri), 0 }, 3034Srgrimes}; 3044Srgrimes 30517109Sbdestatic const struct inst db_inst_0fdx[] = { 3064Srgrimes/*c0*/ { "cmpxchg",TRUE, BYTE, op2(R, E), 0 }, 3074Srgrimes/*c1*/ { "cmpxchg",TRUE, LONG, op2(R, E), 0 }, 3084Srgrimes/*c2*/ { "", FALSE, NONE, 0, 0 }, 3094Srgrimes/*c3*/ { "", FALSE, NONE, 0, 0 }, 3104Srgrimes/*c4*/ { "", FALSE, NONE, 0, 0 }, 3114Srgrimes/*c5*/ { "", FALSE, NONE, 0, 0 }, 3124Srgrimes/*c6*/ { "", FALSE, NONE, 0, 0 }, 3134Srgrimes/*c7*/ { "", FALSE, NONE, 0, 0 }, 3144Srgrimes/*c8*/ { "", FALSE, NONE, 0, 0 }, 3154Srgrimes/*c9*/ { "", FALSE, NONE, 0, 0 }, 3164Srgrimes/*ca*/ { "", FALSE, NONE, 0, 0 }, 3174Srgrimes/*cb*/ { "", FALSE, NONE, 0, 0 }, 3184Srgrimes/*cc*/ { "", FALSE, NONE, 0, 0 }, 3194Srgrimes/*cd*/ { "", FALSE, NONE, 0, 0 }, 3204Srgrimes/*ce*/ { "", FALSE, NONE, 0, 0 }, 3214Srgrimes/*cf*/ { "", FALSE, NONE, 0, 0 }, 3224Srgrimes}; 3234Srgrimes 32414887Swollmanstatic const struct inst * const db_inst_0f[] = { 3254Srgrimes db_inst_0f0x, 3264Srgrimes 0, 3274Srgrimes db_inst_0f2x, 32814887Swollman db_inst_0f3x, 3294Srgrimes 0, 3304Srgrimes 0, 3314Srgrimes 0, 3324Srgrimes 0, 3334Srgrimes db_inst_0f8x, 3344Srgrimes db_inst_0f9x, 3354Srgrimes db_inst_0fax, 3364Srgrimes db_inst_0fbx, 3374Srgrimes db_inst_0fcx, 3384Srgrimes db_inst_0fdx, 3394Srgrimes 0, 3404Srgrimes 0 3414Srgrimes}; 3424Srgrimes 34314887Swollmanstatic const char * const db_Esc92[] = { 3444Srgrimes "fnop", "", "", "", "", "", "", "" 3454Srgrimes}; 34614887Swollmanstatic const char * const db_Esc93[] = { 3474Srgrimes "", "", "", "", "", "", "", "" 3484Srgrimes}; 34914887Swollmanstatic const char * const db_Esc94[] = { 3504Srgrimes "fchs", "fabs", "", "", "ftst", "fxam", "", "" 3514Srgrimes}; 35217109Sbdestatic const char * const db_Esc95[] = { 3534Srgrimes "fld1", "fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","" 3544Srgrimes}; 35517109Sbdestatic const char * const db_Esc96[] = { 3564Srgrimes "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp", 3574Srgrimes "fincstp" 3584Srgrimes}; 35914887Swollmanstatic const char * const db_Esc97[] = { 3604Srgrimes "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos" 3614Srgrimes}; 3624Srgrimes 36317109Sbdestatic const char * const db_Esca4[] = { 3644Srgrimes "", "fucompp","", "", "", "", "", "" 3654Srgrimes}; 3664Srgrimes 36717109Sbdestatic const char * const db_Escb4[] = { 3684Srgrimes "", "", "fnclex","fninit","", "", "", "" 3694Srgrimes}; 3704Srgrimes 37114887Swollmanstatic const char * const db_Esce3[] = { 3724Srgrimes "", "fcompp","", "", "", "", "", "" 3734Srgrimes}; 3744Srgrimes 37517109Sbdestatic const char * const db_Escf4[] = { 3764Srgrimes "fnstsw","", "", "", "", "", "", "" 3774Srgrimes}; 3784Srgrimes 37914887Swollmanstatic const struct finst db_Esc8[] = { 3804Srgrimes/*0*/ { "fadd", SNGL, op2(STI,ST), 0 }, 3814Srgrimes/*1*/ { "fmul", SNGL, op2(STI,ST), 0 }, 3824Srgrimes/*2*/ { "fcom", SNGL, op2(STI,ST), 0 }, 3834Srgrimes/*3*/ { "fcomp", SNGL, op2(STI,ST), 0 }, 3844Srgrimes/*4*/ { "fsub", SNGL, op2(STI,ST), 0 }, 3854Srgrimes/*5*/ { "fsubr", SNGL, op2(STI,ST), 0 }, 3864Srgrimes/*6*/ { "fdiv", SNGL, op2(STI,ST), 0 }, 3874Srgrimes/*7*/ { "fdivr", SNGL, op2(STI,ST), 0 }, 3884Srgrimes}; 3894Srgrimes 39014887Swollmanstatic const struct finst db_Esc9[] = { 3914Srgrimes/*0*/ { "fld", SNGL, op1(STI), 0 }, 3924Srgrimes/*1*/ { "", NONE, op1(STI), "fxch" }, 39317109Sbde/*2*/ { "fst", SNGL, op1(X), db_Esc92 }, 39417109Sbde/*3*/ { "fstp", SNGL, op1(X), db_Esc93 }, 39517109Sbde/*4*/ { "fldenv", NONE, op1(X), db_Esc94 }, 39617109Sbde/*5*/ { "fldcw", NONE, op1(X), db_Esc95 }, 39717109Sbde/*6*/ { "fnstenv",NONE, op1(X), db_Esc96 }, 39817109Sbde/*7*/ { "fnstcw", NONE, op1(X), db_Esc97 }, 3994Srgrimes}; 4004Srgrimes 40114887Swollmanstatic const struct finst db_Esca[] = { 4024Srgrimes/*0*/ { "fiadd", WORD, 0, 0 }, 4034Srgrimes/*1*/ { "fimul", WORD, 0, 0 }, 4044Srgrimes/*2*/ { "ficom", WORD, 0, 0 }, 4054Srgrimes/*3*/ { "ficomp", WORD, 0, 0 }, 40617109Sbde/*4*/ { "fisub", WORD, op1(X), db_Esca4 }, 4074Srgrimes/*5*/ { "fisubr", WORD, 0, 0 }, 4084Srgrimes/*6*/ { "fidiv", WORD, 0, 0 }, 4094Srgrimes/*7*/ { "fidivr", WORD, 0, 0 } 4104Srgrimes}; 4114Srgrimes 41214887Swollmanstatic const struct finst db_Escb[] = { 4134Srgrimes/*0*/ { "fild", WORD, 0, 0 }, 4144Srgrimes/*1*/ { "", NONE, 0, 0 }, 4154Srgrimes/*2*/ { "fist", WORD, 0, 0 }, 4164Srgrimes/*3*/ { "fistp", WORD, 0, 0 }, 41717109Sbde/*4*/ { "", WORD, op1(X), db_Escb4 }, 4184Srgrimes/*5*/ { "fld", EXTR, 0, 0 }, 4194Srgrimes/*6*/ { "", WORD, 0, 0 }, 4204Srgrimes/*7*/ { "fstp", EXTR, 0, 0 }, 4214Srgrimes}; 4224Srgrimes 42314887Swollmanstatic const struct finst db_Escc[] = { 4244Srgrimes/*0*/ { "fadd", DBLR, op2(ST,STI), 0 }, 4254Srgrimes/*1*/ { "fmul", DBLR, op2(ST,STI), 0 }, 4264Srgrimes/*2*/ { "fcom", DBLR, op2(ST,STI), 0 }, 4274Srgrimes/*3*/ { "fcomp", DBLR, op2(ST,STI), 0 }, 4284Srgrimes/*4*/ { "fsub", DBLR, op2(ST,STI), "fsubr" }, 4294Srgrimes/*5*/ { "fsubr", DBLR, op2(ST,STI), "fsub" }, 4304Srgrimes/*6*/ { "fdiv", DBLR, op2(ST,STI), "fdivr" }, 4314Srgrimes/*7*/ { "fdivr", DBLR, op2(ST,STI), "fdiv" }, 4324Srgrimes}; 4334Srgrimes 43414887Swollmanstatic const struct finst db_Escd[] = { 4354Srgrimes/*0*/ { "fld", DBLR, op1(STI), "ffree" }, 4364Srgrimes/*1*/ { "", NONE, 0, 0 }, 4374Srgrimes/*2*/ { "fst", DBLR, op1(STI), 0 }, 4384Srgrimes/*3*/ { "fstp", DBLR, op1(STI), 0 }, 4394Srgrimes/*4*/ { "frstor", NONE, op1(STI), "fucom" }, 4404Srgrimes/*5*/ { "", NONE, op1(STI), "fucomp" }, 4414Srgrimes/*6*/ { "fnsave", NONE, 0, 0 }, 4424Srgrimes/*7*/ { "fnstsw", NONE, 0, 0 }, 4434Srgrimes}; 4444Srgrimes 44514887Swollmanstatic const struct finst db_Esce[] = { 4464Srgrimes/*0*/ { "fiadd", LONG, op2(ST,STI), "faddp" }, 4474Srgrimes/*1*/ { "fimul", LONG, op2(ST,STI), "fmulp" }, 4484Srgrimes/*2*/ { "ficom", LONG, 0, 0 }, 44917109Sbde/*3*/ { "ficomp", LONG, op1(X), db_Esce3 }, 4504Srgrimes/*4*/ { "fisub", LONG, op2(ST,STI), "fsubrp" }, 4514Srgrimes/*5*/ { "fisubr", LONG, op2(ST,STI), "fsubp" }, 4524Srgrimes/*6*/ { "fidiv", LONG, op2(ST,STI), "fdivrp" }, 4534Srgrimes/*7*/ { "fidivr", LONG, op2(ST,STI), "fdivp" }, 4544Srgrimes}; 4554Srgrimes 45614887Swollmanstatic const struct finst db_Escf[] = { 4574Srgrimes/*0*/ { "fild", LONG, 0, 0 }, 4584Srgrimes/*1*/ { "", LONG, 0, 0 }, 4594Srgrimes/*2*/ { "fist", LONG, 0, 0 }, 4604Srgrimes/*3*/ { "fistp", LONG, 0, 0 }, 46117109Sbde/*4*/ { "fbld", NONE, op1(XA), db_Escf4 }, 4624Srgrimes/*5*/ { "fld", QUAD, 0, 0 }, 4634Srgrimes/*6*/ { "fbstp", NONE, 0, 0 }, 4644Srgrimes/*7*/ { "fstp", QUAD, 0, 0 }, 4654Srgrimes}; 4664Srgrimes 46717109Sbdestatic const struct finst * const db_Esc_inst[] = { 4684Srgrimes db_Esc8, db_Esc9, db_Esca, db_Escb, 4694Srgrimes db_Escc, db_Escd, db_Esce, db_Escf 4704Srgrimes}; 4714Srgrimes 47214887Swollmanstatic const char * const db_Grp1[] = { 4734Srgrimes "add", 4744Srgrimes "or", 4754Srgrimes "adc", 4764Srgrimes "sbb", 4774Srgrimes "and", 4784Srgrimes "sub", 4794Srgrimes "xor", 4804Srgrimes "cmp" 4814Srgrimes}; 4824Srgrimes 48314887Swollmanstatic const char * const db_Grp2[] = { 4844Srgrimes "rol", 4854Srgrimes "ror", 4864Srgrimes "rcl", 4874Srgrimes "rcr", 4884Srgrimes "shl", 4894Srgrimes "shr", 4904Srgrimes "shl", 4914Srgrimes "sar" 4924Srgrimes}; 4934Srgrimes 49414887Swollmanstatic const struct inst db_Grp3[] = { 4954Srgrimes { "test", TRUE, NONE, op2(I,E), 0 }, 4964Srgrimes { "test", TRUE, NONE, op2(I,E), 0 }, 4974Srgrimes { "not", TRUE, NONE, op1(E), 0 }, 4984Srgrimes { "neg", TRUE, NONE, op1(E), 0 }, 4994Srgrimes { "mul", TRUE, NONE, op2(E,A), 0 }, 5004Srgrimes { "imul", TRUE, NONE, op2(E,A), 0 }, 5014Srgrimes { "div", TRUE, NONE, op2(E,A), 0 }, 5024Srgrimes { "idiv", TRUE, NONE, op2(E,A), 0 }, 5034Srgrimes}; 5044Srgrimes 50517109Sbdestatic const struct inst db_Grp4[] = { 5064Srgrimes { "inc", TRUE, BYTE, op1(E), 0 }, 5074Srgrimes { "dec", TRUE, BYTE, op1(E), 0 }, 5084Srgrimes { "", TRUE, NONE, 0, 0 }, 5094Srgrimes { "", TRUE, NONE, 0, 0 }, 5104Srgrimes { "", TRUE, NONE, 0, 0 }, 5114Srgrimes { "", TRUE, NONE, 0, 0 }, 5124Srgrimes { "", TRUE, NONE, 0, 0 }, 5134Srgrimes { "", TRUE, NONE, 0, 0 } 5144Srgrimes}; 5154Srgrimes 51617109Sbdestatic const struct inst db_Grp5[] = { 5174Srgrimes { "inc", TRUE, LONG, op1(E), 0 }, 5184Srgrimes { "dec", TRUE, LONG, op1(E), 0 }, 5194Srgrimes { "call", TRUE, NONE, op1(Eind),0 }, 5204Srgrimes { "lcall", TRUE, NONE, op1(Eind),0 }, 5214Srgrimes { "jmp", TRUE, NONE, op1(Eind),0 }, 5224Srgrimes { "ljmp", TRUE, NONE, op1(Eind),0 }, 5234Srgrimes { "push", TRUE, LONG, op1(E), 0 }, 5244Srgrimes { "", TRUE, NONE, 0, 0 } 5254Srgrimes}; 5264Srgrimes 52714887Swollmanstatic const struct inst db_inst_table[256] = { 5284Srgrimes/*00*/ { "add", TRUE, BYTE, op2(R, E), 0 }, 5294Srgrimes/*01*/ { "add", TRUE, LONG, op2(R, E), 0 }, 5304Srgrimes/*02*/ { "add", TRUE, BYTE, op2(E, R), 0 }, 5314Srgrimes/*03*/ { "add", TRUE, LONG, op2(E, R), 0 }, 5324Srgrimes/*04*/ { "add", FALSE, BYTE, op2(Is, A), 0 }, 5334Srgrimes/*05*/ { "add", FALSE, LONG, op2(Is, A), 0 }, 5344Srgrimes/*06*/ { "push", FALSE, NONE, op1(Si), 0 }, 5354Srgrimes/*07*/ { "pop", FALSE, NONE, op1(Si), 0 }, 5364Srgrimes 5374Srgrimes/*08*/ { "or", TRUE, BYTE, op2(R, E), 0 }, 5384Srgrimes/*09*/ { "or", TRUE, LONG, op2(R, E), 0 }, 5394Srgrimes/*0a*/ { "or", TRUE, BYTE, op2(E, R), 0 }, 5404Srgrimes/*0b*/ { "or", TRUE, LONG, op2(E, R), 0 }, 5414Srgrimes/*0c*/ { "or", FALSE, BYTE, op2(I, A), 0 }, 5424Srgrimes/*0d*/ { "or", FALSE, LONG, op2(I, A), 0 }, 5434Srgrimes/*0e*/ { "push", FALSE, NONE, op1(Si), 0 }, 5444Srgrimes/*0f*/ { "", FALSE, NONE, 0, 0 }, 5454Srgrimes 5464Srgrimes/*10*/ { "adc", TRUE, BYTE, op2(R, E), 0 }, 5474Srgrimes/*11*/ { "adc", TRUE, LONG, op2(R, E), 0 }, 5484Srgrimes/*12*/ { "adc", TRUE, BYTE, op2(E, R), 0 }, 5494Srgrimes/*13*/ { "adc", TRUE, LONG, op2(E, R), 0 }, 5504Srgrimes/*14*/ { "adc", FALSE, BYTE, op2(Is, A), 0 }, 5514Srgrimes/*15*/ { "adc", FALSE, LONG, op2(Is, A), 0 }, 5524Srgrimes/*16*/ { "push", FALSE, NONE, op1(Si), 0 }, 5534Srgrimes/*17*/ { "pop", FALSE, NONE, op1(Si), 0 }, 5544Srgrimes 5554Srgrimes/*18*/ { "sbb", TRUE, BYTE, op2(R, E), 0 }, 5564Srgrimes/*19*/ { "sbb", TRUE, LONG, op2(R, E), 0 }, 5574Srgrimes/*1a*/ { "sbb", TRUE, BYTE, op2(E, R), 0 }, 5584Srgrimes/*1b*/ { "sbb", TRUE, LONG, op2(E, R), 0 }, 5594Srgrimes/*1c*/ { "sbb", FALSE, BYTE, op2(Is, A), 0 }, 5604Srgrimes/*1d*/ { "sbb", FALSE, LONG, op2(Is, A), 0 }, 5614Srgrimes/*1e*/ { "push", FALSE, NONE, op1(Si), 0 }, 5624Srgrimes/*1f*/ { "pop", FALSE, NONE, op1(Si), 0 }, 5634Srgrimes 5644Srgrimes/*20*/ { "and", TRUE, BYTE, op2(R, E), 0 }, 5654Srgrimes/*21*/ { "and", TRUE, LONG, op2(R, E), 0 }, 5664Srgrimes/*22*/ { "and", TRUE, BYTE, op2(E, R), 0 }, 5674Srgrimes/*23*/ { "and", TRUE, LONG, op2(E, R), 0 }, 5684Srgrimes/*24*/ { "and", FALSE, BYTE, op2(I, A), 0 }, 5694Srgrimes/*25*/ { "and", FALSE, LONG, op2(I, A), 0 }, 5704Srgrimes/*26*/ { "", FALSE, NONE, 0, 0 }, 5714Srgrimes/*27*/ { "aaa", FALSE, NONE, 0, 0 }, 5724Srgrimes 5734Srgrimes/*28*/ { "sub", TRUE, BYTE, op2(R, E), 0 }, 5744Srgrimes/*29*/ { "sub", TRUE, LONG, op2(R, E), 0 }, 5754Srgrimes/*2a*/ { "sub", TRUE, BYTE, op2(E, R), 0 }, 5764Srgrimes/*2b*/ { "sub", TRUE, LONG, op2(E, R), 0 }, 5774Srgrimes/*2c*/ { "sub", FALSE, BYTE, op2(Is, A), 0 }, 5784Srgrimes/*2d*/ { "sub", FALSE, LONG, op2(Is, A), 0 }, 5794Srgrimes/*2e*/ { "", FALSE, NONE, 0, 0 }, 5804Srgrimes/*2f*/ { "das", FALSE, NONE, 0, 0 }, 5814Srgrimes 5824Srgrimes/*30*/ { "xor", TRUE, BYTE, op2(R, E), 0 }, 5834Srgrimes/*31*/ { "xor", TRUE, LONG, op2(R, E), 0 }, 5844Srgrimes/*32*/ { "xor", TRUE, BYTE, op2(E, R), 0 }, 5854Srgrimes/*33*/ { "xor", TRUE, LONG, op2(E, R), 0 }, 5864Srgrimes/*34*/ { "xor", FALSE, BYTE, op2(I, A), 0 }, 5874Srgrimes/*35*/ { "xor", FALSE, LONG, op2(I, A), 0 }, 5884Srgrimes/*36*/ { "", FALSE, NONE, 0, 0 }, 5894Srgrimes/*37*/ { "daa", FALSE, NONE, 0, 0 }, 5904Srgrimes 5914Srgrimes/*38*/ { "cmp", TRUE, BYTE, op2(R, E), 0 }, 5924Srgrimes/*39*/ { "cmp", TRUE, LONG, op2(R, E), 0 }, 5934Srgrimes/*3a*/ { "cmp", TRUE, BYTE, op2(E, R), 0 }, 5944Srgrimes/*3b*/ { "cmp", TRUE, LONG, op2(E, R), 0 }, 5954Srgrimes/*3c*/ { "cmp", FALSE, BYTE, op2(Is, A), 0 }, 5964Srgrimes/*3d*/ { "cmp", FALSE, LONG, op2(Is, A), 0 }, 5974Srgrimes/*3e*/ { "", FALSE, NONE, 0, 0 }, 5984Srgrimes/*3f*/ { "aas", FALSE, NONE, 0, 0 }, 5994Srgrimes 6004Srgrimes/*40*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6014Srgrimes/*41*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6024Srgrimes/*42*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6034Srgrimes/*43*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6044Srgrimes/*44*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6054Srgrimes/*45*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6064Srgrimes/*46*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6074Srgrimes/*47*/ { "inc", FALSE, LONG, op1(Ri), 0 }, 6084Srgrimes 6094Srgrimes/*48*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6104Srgrimes/*49*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6114Srgrimes/*4a*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6124Srgrimes/*4b*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6134Srgrimes/*4c*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6144Srgrimes/*4d*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6154Srgrimes/*4e*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6164Srgrimes/*4f*/ { "dec", FALSE, LONG, op1(Ri), 0 }, 6174Srgrimes 6184Srgrimes/*50*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6194Srgrimes/*51*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6204Srgrimes/*52*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6214Srgrimes/*53*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6224Srgrimes/*54*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6234Srgrimes/*55*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6244Srgrimes/*56*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6254Srgrimes/*57*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6264Srgrimes 6274Srgrimes/*58*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6284Srgrimes/*59*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6294Srgrimes/*5a*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6304Srgrimes/*5b*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6314Srgrimes/*5c*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6324Srgrimes/*5d*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6334Srgrimes/*5e*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6344Srgrimes/*5f*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6354Srgrimes 6364Srgrimes/*60*/ { "pusha", FALSE, LONG, 0, 0 }, 6374Srgrimes/*61*/ { "popa", FALSE, LONG, 0, 0 }, 6384Srgrimes/*62*/ { "bound", TRUE, LONG, op2(E, R), 0 }, 6394Srgrimes/*63*/ { "arpl", TRUE, NONE, op2(Ew,Rw), 0 }, 6404Srgrimes 6414Srgrimes/*64*/ { "", FALSE, NONE, 0, 0 }, 6424Srgrimes/*65*/ { "", FALSE, NONE, 0, 0 }, 6434Srgrimes/*66*/ { "", FALSE, NONE, 0, 0 }, 6444Srgrimes/*67*/ { "", FALSE, NONE, 0, 0 }, 6454Srgrimes 6464Srgrimes/*68*/ { "push", FALSE, LONG, op1(I), 0 }, 6474Srgrimes/*69*/ { "imul", TRUE, LONG, op3(I,E,R), 0 }, 6484Srgrimes/*6a*/ { "push", FALSE, LONG, op1(Ib), 0 }, 6494Srgrimes/*6b*/ { "imul", TRUE, LONG, op3(Ibs,E,R),0 }, 6504Srgrimes/*6c*/ { "ins", FALSE, BYTE, op2(DX, DI), 0 }, 6514Srgrimes/*6d*/ { "ins", FALSE, LONG, op2(DX, DI), 0 }, 6524Srgrimes/*6e*/ { "outs", FALSE, BYTE, op2(SI, DX), 0 }, 6534Srgrimes/*6f*/ { "outs", FALSE, LONG, op2(SI, DX), 0 }, 6544Srgrimes 6554Srgrimes/*70*/ { "jo", FALSE, NONE, op1(Db), 0 }, 6564Srgrimes/*71*/ { "jno", FALSE, NONE, op1(Db), 0 }, 6574Srgrimes/*72*/ { "jb", FALSE, NONE, op1(Db), 0 }, 6584Srgrimes/*73*/ { "jnb", FALSE, NONE, op1(Db), 0 }, 6594Srgrimes/*74*/ { "jz", FALSE, NONE, op1(Db), 0 }, 6604Srgrimes/*75*/ { "jnz", FALSE, NONE, op1(Db), 0 }, 6614Srgrimes/*76*/ { "jbe", FALSE, NONE, op1(Db), 0 }, 6624Srgrimes/*77*/ { "jnbe", FALSE, NONE, op1(Db), 0 }, 6634Srgrimes 6644Srgrimes/*78*/ { "js", FALSE, NONE, op1(Db), 0 }, 6654Srgrimes/*79*/ { "jns", FALSE, NONE, op1(Db), 0 }, 6664Srgrimes/*7a*/ { "jp", FALSE, NONE, op1(Db), 0 }, 6674Srgrimes/*7b*/ { "jnp", FALSE, NONE, op1(Db), 0 }, 6684Srgrimes/*7c*/ { "jl", FALSE, NONE, op1(Db), 0 }, 6694Srgrimes/*7d*/ { "jnl", FALSE, NONE, op1(Db), 0 }, 6704Srgrimes/*7e*/ { "jle", FALSE, NONE, op1(Db), 0 }, 6714Srgrimes/*7f*/ { "jnle", FALSE, NONE, op1(Db), 0 }, 6724Srgrimes 67317109Sbde/*80*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 }, 67417109Sbde/*81*/ { "", TRUE, LONG, op2(I, E), db_Grp1 }, 67517109Sbde/*82*/ { "", TRUE, BYTE, op2(Is,E), db_Grp1 }, 67617109Sbde/*83*/ { "", TRUE, LONG, op2(Ibs,E), db_Grp1 }, 6774Srgrimes/*84*/ { "test", TRUE, BYTE, op2(R, E), 0 }, 6784Srgrimes/*85*/ { "test", TRUE, LONG, op2(R, E), 0 }, 6794Srgrimes/*86*/ { "xchg", TRUE, BYTE, op2(R, E), 0 }, 6804Srgrimes/*87*/ { "xchg", TRUE, LONG, op2(R, E), 0 }, 6814Srgrimes 6824Srgrimes/*88*/ { "mov", TRUE, BYTE, op2(R, E), 0 }, 6834Srgrimes/*89*/ { "mov", TRUE, LONG, op2(R, E), 0 }, 6844Srgrimes/*8a*/ { "mov", TRUE, BYTE, op2(E, R), 0 }, 6854Srgrimes/*8b*/ { "mov", TRUE, LONG, op2(E, R), 0 }, 6864Srgrimes/*8c*/ { "mov", TRUE, NONE, op2(S, Ew), 0 }, 6874Srgrimes/*8d*/ { "lea", TRUE, LONG, op2(E, R), 0 }, 6884Srgrimes/*8e*/ { "mov", TRUE, NONE, op2(Ew, S), 0 }, 6894Srgrimes/*8f*/ { "pop", TRUE, LONG, op1(E), 0 }, 6904Srgrimes 6914Srgrimes/*90*/ { "nop", FALSE, NONE, 0, 0 }, 6924Srgrimes/*91*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 6934Srgrimes/*92*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 6944Srgrimes/*93*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 6954Srgrimes/*94*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 6964Srgrimes/*95*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 6974Srgrimes/*96*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 6984Srgrimes/*97*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 6994Srgrimes 7004Srgrimes/*98*/ { "cbw", FALSE, SDEP, 0, "cwde" }, /* cbw/cwde */ 7014Srgrimes/*99*/ { "cwd", FALSE, SDEP, 0, "cdq" }, /* cwd/cdq */ 7024Srgrimes/*9a*/ { "lcall", FALSE, NONE, op1(OS), 0 }, 7034Srgrimes/*9b*/ { "wait", FALSE, NONE, 0, 0 }, 7044Srgrimes/*9c*/ { "pushf", FALSE, LONG, 0, 0 }, 7054Srgrimes/*9d*/ { "popf", FALSE, LONG, 0, 0 }, 7064Srgrimes/*9e*/ { "sahf", FALSE, NONE, 0, 0 }, 7074Srgrimes/*9f*/ { "lahf", FALSE, NONE, 0, 0 }, 7084Srgrimes 7094Srgrimes/*a0*/ { "mov", FALSE, BYTE, op2(O, A), 0 }, 7104Srgrimes/*a1*/ { "mov", FALSE, LONG, op2(O, A), 0 }, 7114Srgrimes/*a2*/ { "mov", FALSE, BYTE, op2(A, O), 0 }, 7124Srgrimes/*a3*/ { "mov", FALSE, LONG, op2(A, O), 0 }, 7134Srgrimes/*a4*/ { "movs", FALSE, BYTE, op2(SI,DI), 0 }, 7144Srgrimes/*a5*/ { "movs", FALSE, LONG, op2(SI,DI), 0 }, 7154Srgrimes/*a6*/ { "cmps", FALSE, BYTE, op2(SI,DI), 0 }, 7164Srgrimes/*a7*/ { "cmps", FALSE, LONG, op2(SI,DI), 0 }, 7174Srgrimes 7184Srgrimes/*a8*/ { "test", FALSE, BYTE, op2(I, A), 0 }, 7194Srgrimes/*a9*/ { "test", FALSE, LONG, op2(I, A), 0 }, 7204Srgrimes/*aa*/ { "stos", FALSE, BYTE, op1(DI), 0 }, 7214Srgrimes/*ab*/ { "stos", FALSE, LONG, op1(DI), 0 }, 722118Srgrimes/*ac*/ { "lods", FALSE, BYTE, op1(SI), 0 }, 723118Srgrimes/*ad*/ { "lods", FALSE, LONG, op1(SI), 0 }, 7244Srgrimes/*ae*/ { "scas", FALSE, BYTE, op1(SI), 0 }, 7254Srgrimes/*af*/ { "scas", FALSE, LONG, op1(SI), 0 }, 7264Srgrimes 7274Srgrimes/*b0*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7284Srgrimes/*b1*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7294Srgrimes/*b2*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7304Srgrimes/*b3*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7314Srgrimes/*b4*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7324Srgrimes/*b5*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7334Srgrimes/*b6*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7344Srgrimes/*b7*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7354Srgrimes 7364Srgrimes/*b8*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7374Srgrimes/*b9*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7384Srgrimes/*ba*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7394Srgrimes/*bb*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7404Srgrimes/*bc*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7414Srgrimes/*bd*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7424Srgrimes/*be*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7434Srgrimes/*bf*/ { "mov", FALSE, LONG, op2(I, Ri), 0 }, 7444Srgrimes 74517109Sbde/*c0*/ { "", TRUE, BYTE, op2(Ib, E), db_Grp2 }, 74617109Sbde/*c1*/ { "", TRUE, LONG, op2(Ib, E), db_Grp2 }, 7474Srgrimes/*c2*/ { "ret", FALSE, NONE, op1(Iw), 0 }, 7484Srgrimes/*c3*/ { "ret", FALSE, NONE, 0, 0 }, 7494Srgrimes/*c4*/ { "les", TRUE, LONG, op2(E, R), 0 }, 7504Srgrimes/*c5*/ { "lds", TRUE, LONG, op2(E, R), 0 }, 7514Srgrimes/*c6*/ { "mov", TRUE, BYTE, op2(I, E), 0 }, 7524Srgrimes/*c7*/ { "mov", TRUE, LONG, op2(I, E), 0 }, 7534Srgrimes 7544Srgrimes/*c8*/ { "enter", FALSE, NONE, op2(Ib, Iw), 0 }, 7554Srgrimes/*c9*/ { "leave", FALSE, NONE, 0, 0 }, 7564Srgrimes/*ca*/ { "lret", FALSE, NONE, op1(Iw), 0 }, 7574Srgrimes/*cb*/ { "lret", FALSE, NONE, 0, 0 }, 7584Srgrimes/*cc*/ { "int", FALSE, NONE, op1(o3), 0 }, 7594Srgrimes/*cd*/ { "int", FALSE, NONE, op1(Ib), 0 }, 7604Srgrimes/*ce*/ { "into", FALSE, NONE, 0, 0 }, 7614Srgrimes/*cf*/ { "iret", FALSE, NONE, 0, 0 }, 7624Srgrimes 76317109Sbde/*d0*/ { "", TRUE, BYTE, op2(o1, E), db_Grp2 }, 76417109Sbde/*d1*/ { "", TRUE, LONG, op2(o1, E), db_Grp2 }, 76517109Sbde/*d2*/ { "", TRUE, BYTE, op2(CL, E), db_Grp2 }, 76617109Sbde/*d3*/ { "", TRUE, LONG, op2(CL, E), db_Grp2 }, 7674Srgrimes/*d4*/ { "aam", TRUE, NONE, 0, 0 }, 7684Srgrimes/*d5*/ { "aad", TRUE, NONE, 0, 0 }, 7694Srgrimes/*d6*/ { "", FALSE, NONE, 0, 0 }, 7704Srgrimes/*d7*/ { "xlat", FALSE, BYTE, op1(BX), 0 }, 7714Srgrimes 77217109Sbde/*d8*/ { "", TRUE, NONE, 0, db_Esc8 }, 77317109Sbde/*d9*/ { "", TRUE, NONE, 0, db_Esc9 }, 77417109Sbde/*da*/ { "", TRUE, NONE, 0, db_Esca }, 77517109Sbde/*db*/ { "", TRUE, NONE, 0, db_Escb }, 77617109Sbde/*dc*/ { "", TRUE, NONE, 0, db_Escc }, 77717109Sbde/*dd*/ { "", TRUE, NONE, 0, db_Escd }, 77817109Sbde/*de*/ { "", TRUE, NONE, 0, db_Esce }, 77917109Sbde/*df*/ { "", TRUE, NONE, 0, db_Escf }, 7804Srgrimes 7814Srgrimes/*e0*/ { "loopne",FALSE, NONE, op1(Db), 0 }, 7824Srgrimes/*e1*/ { "loope", FALSE, NONE, op1(Db), 0 }, 7834Srgrimes/*e2*/ { "loop", FALSE, NONE, op1(Db), 0 }, 7844Srgrimes/*e3*/ { "jcxz", FALSE, SDEP, op1(Db), "jecxz" }, 7854Srgrimes/*e4*/ { "in", FALSE, BYTE, op2(Ib, A), 0 }, 7864Srgrimes/*e5*/ { "in", FALSE, LONG, op2(Ib, A) , 0 }, 7874Srgrimes/*e6*/ { "out", FALSE, BYTE, op2(A, Ib), 0 }, 7884Srgrimes/*e7*/ { "out", FALSE, LONG, op2(A, Ib) , 0 }, 7894Srgrimes 7904Srgrimes/*e8*/ { "call", FALSE, NONE, op1(Dl), 0 }, 7914Srgrimes/*e9*/ { "jmp", FALSE, NONE, op1(Dl), 0 }, 7924Srgrimes/*ea*/ { "ljmp", FALSE, NONE, op1(OS), 0 }, 7934Srgrimes/*eb*/ { "jmp", FALSE, NONE, op1(Db), 0 }, 7944Srgrimes/*ec*/ { "in", FALSE, BYTE, op2(DX, A), 0 }, 7954Srgrimes/*ed*/ { "in", FALSE, LONG, op2(DX, A) , 0 }, 7964Srgrimes/*ee*/ { "out", FALSE, BYTE, op2(A, DX), 0 }, 7974Srgrimes/*ef*/ { "out", FALSE, LONG, op2(A, DX) , 0 }, 7984Srgrimes 7994Srgrimes/*f0*/ { "", FALSE, NONE, 0, 0 }, 8004Srgrimes/*f1*/ { "", FALSE, NONE, 0, 0 }, 8014Srgrimes/*f2*/ { "", FALSE, NONE, 0, 0 }, 8024Srgrimes/*f3*/ { "", FALSE, NONE, 0, 0 }, 8034Srgrimes/*f4*/ { "hlt", FALSE, NONE, 0, 0 }, 8044Srgrimes/*f5*/ { "cmc", FALSE, NONE, 0, 0 }, 80517109Sbde/*f6*/ { "", TRUE, BYTE, 0, db_Grp3 }, 80617109Sbde/*f7*/ { "", TRUE, LONG, 0, db_Grp3 }, 8074Srgrimes 8084Srgrimes/*f8*/ { "clc", FALSE, NONE, 0, 0 }, 8094Srgrimes/*f9*/ { "stc", FALSE, NONE, 0, 0 }, 8104Srgrimes/*fa*/ { "cli", FALSE, NONE, 0, 0 }, 8114Srgrimes/*fb*/ { "sti", FALSE, NONE, 0, 0 }, 8124Srgrimes/*fc*/ { "cld", FALSE, NONE, 0, 0 }, 8134Srgrimes/*fd*/ { "std", FALSE, NONE, 0, 0 }, 81417109Sbde/*fe*/ { "", TRUE, NONE, 0, db_Grp4 }, 81517109Sbde/*ff*/ { "", TRUE, NONE, 0, db_Grp5 }, 8164Srgrimes}; 8174Srgrimes 81817109Sbdestatic const struct inst db_bad_inst = 8194Srgrimes { "???", FALSE, NONE, 0, 0 } 8204Srgrimes; 8214Srgrimes 8224Srgrimes#define f_mod(byte) ((byte)>>6) 8234Srgrimes#define f_reg(byte) (((byte)>>3)&0x7) 8244Srgrimes#define f_rm(byte) ((byte)&0x7) 8254Srgrimes 8264Srgrimes#define sib_ss(byte) ((byte)>>6) 8274Srgrimes#define sib_index(byte) (((byte)>>3)&0x7) 8284Srgrimes#define sib_base(byte) ((byte)&0x7) 8294Srgrimes 83011940Sbdestruct i_addr { 8314Srgrimes int is_reg; /* if reg, reg number is in 'disp' */ 8324Srgrimes int disp; 83314887Swollman const char * base; 83414887Swollman const char * index; 8354Srgrimes int ss; 8364Srgrimes}; 8374Srgrimes 83814887Swollmanstatic const char * const db_index_reg_16[8] = { 8394Srgrimes "%bx,%si", 8404Srgrimes "%bx,%di", 8414Srgrimes "%bp,%si", 8424Srgrimes "%bp,%di", 8434Srgrimes "%si", 8444Srgrimes "%di", 8454Srgrimes "%bp", 8464Srgrimes "%bx" 8474Srgrimes}; 8484Srgrimes 84914887Swollmanstatic const char * const db_reg[3][8] = { 8504Srgrimes "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", 8514Srgrimes "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 8524Srgrimes "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi" 8534Srgrimes}; 8544Srgrimes 85517109Sbdestatic const char * const db_seg_reg[8] = { 8564Srgrimes "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", "" 8574Srgrimes}; 8584Srgrimes 8594Srgrimes/* 8604Srgrimes * lengths for size attributes 8614Srgrimes */ 86214887Swollmanstatic const int db_lengths[] = { 8634Srgrimes 1, /* BYTE */ 8644Srgrimes 2, /* WORD */ 8654Srgrimes 4, /* LONG */ 8664Srgrimes 8, /* QUAD */ 8674Srgrimes 4, /* SNGL */ 8684Srgrimes 8, /* DBLR */ 8694Srgrimes 10, /* EXTR */ 8704Srgrimes}; 8714Srgrimes 8724Srgrimes#define get_value_inc(result, loc, size, is_signed) \ 8734Srgrimes result = db_get_value((loc), (size), (is_signed)); \ 8744Srgrimes (loc) += (size); 8754Srgrimes 87611940Sbdestatic db_addr_t 87711940Sbde db_disasm_esc __P((db_addr_t loc, int inst, int short_addr, 87817109Sbde int size, const char *seg)); 87917109Sbdestatic void db_print_address __P((const char *seg, int size, 88011940Sbde struct i_addr *addrp)); 88111940Sbdestatic db_addr_t 88211940Sbde db_read_address __P((db_addr_t loc, int short_addr, 88311940Sbde int regmodrm, struct i_addr *addrp)); 88411940Sbde 8854Srgrimes/* 8864Srgrimes * Read address at location and return updated location. 8874Srgrimes */ 88811921Sphkstatic db_addr_t 8894Srgrimesdb_read_address(loc, short_addr, regmodrm, addrp) 8904Srgrimes db_addr_t loc; 8914Srgrimes int short_addr; 8924Srgrimes int regmodrm; 89317109Sbde struct i_addr * addrp; /* out */ 8944Srgrimes{ 8953436Sphk int mod, rm, sib, index, disp; 8964Srgrimes 8974Srgrimes mod = f_mod(regmodrm); 8984Srgrimes rm = f_rm(regmodrm); 8994Srgrimes 9004Srgrimes if (mod == 3) { 9014Srgrimes addrp->is_reg = TRUE; 9024Srgrimes addrp->disp = rm; 9034Srgrimes return (loc); 9044Srgrimes } 9054Srgrimes addrp->is_reg = FALSE; 9064Srgrimes addrp->index = 0; 9074Srgrimes 9084Srgrimes if (short_addr) { 9094Srgrimes addrp->index = 0; 9104Srgrimes addrp->ss = 0; 9114Srgrimes switch (mod) { 9124Srgrimes case 0: 9134Srgrimes if (rm == 6) { 9144Srgrimes get_value_inc(disp, loc, 2, TRUE); 9154Srgrimes addrp->disp = disp; 9164Srgrimes addrp->base = 0; 9174Srgrimes } 9184Srgrimes else { 9194Srgrimes addrp->disp = 0; 9204Srgrimes addrp->base = db_index_reg_16[rm]; 9214Srgrimes } 9224Srgrimes break; 9234Srgrimes case 1: 9244Srgrimes get_value_inc(disp, loc, 1, TRUE); 9254Srgrimes addrp->disp = disp; 9264Srgrimes addrp->base = db_index_reg_16[rm]; 9274Srgrimes break; 9284Srgrimes case 2: 9294Srgrimes get_value_inc(disp, loc, 2, TRUE); 9304Srgrimes addrp->disp = disp; 9314Srgrimes addrp->base = db_index_reg_16[rm]; 9324Srgrimes break; 9334Srgrimes } 9344Srgrimes } 9354Srgrimes else { 9364Srgrimes if (mod != 3 && rm == 4) { 9374Srgrimes get_value_inc(sib, loc, 1, FALSE); 9384Srgrimes rm = sib_base(sib); 9394Srgrimes index = sib_index(sib); 9404Srgrimes if (index != 4) 9414Srgrimes addrp->index = db_reg[LONG][index]; 9424Srgrimes addrp->ss = sib_ss(sib); 9434Srgrimes } 9444Srgrimes 9454Srgrimes switch (mod) { 9464Srgrimes case 0: 9474Srgrimes if (rm == 5) { 9484Srgrimes get_value_inc(addrp->disp, loc, 4, FALSE); 9494Srgrimes addrp->base = 0; 9504Srgrimes } 9514Srgrimes else { 9524Srgrimes addrp->disp = 0; 9534Srgrimes addrp->base = db_reg[LONG][rm]; 9544Srgrimes } 9554Srgrimes break; 9564Srgrimes 9574Srgrimes case 1: 9584Srgrimes get_value_inc(disp, loc, 1, TRUE); 9594Srgrimes addrp->disp = disp; 9604Srgrimes addrp->base = db_reg[LONG][rm]; 9614Srgrimes break; 9624Srgrimes 9634Srgrimes case 2: 9644Srgrimes get_value_inc(disp, loc, 4, FALSE); 9654Srgrimes addrp->disp = disp; 9664Srgrimes addrp->base = db_reg[LONG][rm]; 9674Srgrimes break; 9684Srgrimes } 9694Srgrimes } 9704Srgrimes return (loc); 9714Srgrimes} 9724Srgrimes 97311921Sphkstatic void 9744Srgrimesdb_print_address(seg, size, addrp) 97517109Sbde const char * seg; 9764Srgrimes int size; 97717109Sbde struct i_addr * addrp; 9784Srgrimes{ 9794Srgrimes if (addrp->is_reg) { 9804Srgrimes db_printf("%s", db_reg[size][addrp->disp]); 9814Srgrimes return; 9824Srgrimes } 9834Srgrimes 9844Srgrimes if (seg) { 9854Srgrimes db_printf("%s:", seg); 9864Srgrimes } 9874Srgrimes 9884Srgrimes db_printsym((db_addr_t)addrp->disp, DB_STGY_ANY); 9894Srgrimes if (addrp->base != 0 || addrp->index != 0) { 9904Srgrimes db_printf("("); 9914Srgrimes if (addrp->base) 9924Srgrimes db_printf("%s", addrp->base); 9934Srgrimes if (addrp->index) 9944Srgrimes db_printf(",%s,%d", addrp->index, 1<<addrp->ss); 9954Srgrimes db_printf(")"); 9964Srgrimes } 9974Srgrimes} 9984Srgrimes 9994Srgrimes/* 10004Srgrimes * Disassemble floating-point ("escape") instruction 10014Srgrimes * and return updated location. 10024Srgrimes */ 100311921Sphkstatic db_addr_t 10044Srgrimesdb_disasm_esc(loc, inst, short_addr, size, seg) 10054Srgrimes db_addr_t loc; 10064Srgrimes int inst; 10074Srgrimes int short_addr; 10084Srgrimes int size; 100917109Sbde const char * seg; 10104Srgrimes{ 10114Srgrimes int regmodrm; 101217109Sbde const struct finst * fp; 10134Srgrimes int mod; 10144Srgrimes struct i_addr address; 101517109Sbde const char * name; 10164Srgrimes 10174Srgrimes get_value_inc(regmodrm, loc, 1, FALSE); 10184Srgrimes fp = &db_Esc_inst[inst - 0xd8][f_reg(regmodrm)]; 10194Srgrimes mod = f_mod(regmodrm); 10204Srgrimes if (mod != 3) { 10214Srgrimes /* 10224Srgrimes * Normal address modes. 10234Srgrimes */ 10244Srgrimes loc = db_read_address(loc, short_addr, regmodrm, &address); 10254Srgrimes db_printf(fp->f_name); 10264Srgrimes switch(fp->f_size) { 10274Srgrimes case SNGL: 10284Srgrimes db_printf("s"); 10294Srgrimes break; 10304Srgrimes case DBLR: 10314Srgrimes db_printf("l"); 10324Srgrimes break; 10334Srgrimes case EXTR: 10344Srgrimes db_printf("t"); 10354Srgrimes break; 10364Srgrimes case WORD: 10374Srgrimes db_printf("s"); 10384Srgrimes break; 10394Srgrimes case LONG: 10404Srgrimes db_printf("l"); 10414Srgrimes break; 10424Srgrimes case QUAD: 10434Srgrimes db_printf("q"); 10444Srgrimes break; 10454Srgrimes default: 10464Srgrimes break; 10474Srgrimes } 10484Srgrimes db_printf("\t"); 10494Srgrimes db_print_address(seg, BYTE, &address); 10504Srgrimes } 10514Srgrimes else { 10524Srgrimes /* 10534Srgrimes * 'reg-reg' - special formats 10544Srgrimes */ 10554Srgrimes switch (fp->f_rrmode) { 10564Srgrimes case op2(ST,STI): 10574Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 10584Srgrimes db_printf("%s\t%%st,%%st(%d)",name,f_rm(regmodrm)); 10594Srgrimes break; 10604Srgrimes case op2(STI,ST): 10614Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 10624Srgrimes db_printf("%s\t%%st(%d),%%st",name, f_rm(regmodrm)); 10634Srgrimes break; 10644Srgrimes case op1(STI): 10654Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 10664Srgrimes db_printf("%s\t%%st(%d)",name, f_rm(regmodrm)); 10674Srgrimes break; 10684Srgrimes case op1(X): 106917109Sbde db_printf("%s", 107017109Sbde ((const char * const *)fp->f_rrname)[f_rm(regmodrm)]); 10714Srgrimes break; 10724Srgrimes case op1(XA): 10734Srgrimes db_printf("%s\t%%ax", 107417109Sbde ((const char * const *)fp->f_rrname)[f_rm(regmodrm)]); 10754Srgrimes break; 10764Srgrimes default: 10774Srgrimes db_printf("<bad instruction>"); 10784Srgrimes break; 10794Srgrimes } 10804Srgrimes } 10814Srgrimes 10824Srgrimes return (loc); 10834Srgrimes} 10844Srgrimes 10854Srgrimes/* 10864Srgrimes * Disassemble instruction at 'loc'. 'altfmt' specifies an 10874Srgrimes * (optional) alternate format. Return address of start of 10884Srgrimes * next instruction. 10894Srgrimes */ 10904Srgrimesdb_addr_t 10914Srgrimesdb_disasm(loc, altfmt) 10924Srgrimes db_addr_t loc; 10934Srgrimes boolean_t altfmt; 10944Srgrimes{ 10954Srgrimes int inst; 10964Srgrimes int size; 10974Srgrimes int short_addr; 109817109Sbde const char * seg; 109914887Swollman const struct inst * ip; 110014887Swollman const char * i_name; 11014Srgrimes int i_size; 11024Srgrimes int i_mode; 1103798Swollman int regmodrm = 0; 11044Srgrimes boolean_t first; 11054Srgrimes int displ; 11064Srgrimes int prefix; 11074Srgrimes int imm; 11084Srgrimes int imm2; 11094Srgrimes int len; 11104Srgrimes struct i_addr address; 11114Srgrimes 11124Srgrimes get_value_inc(inst, loc, 1, FALSE); 11134Srgrimes short_addr = FALSE; 11144Srgrimes size = LONG; 11154Srgrimes seg = 0; 11164Srgrimes 11174Srgrimes /* 11184Srgrimes * Get prefixes 11194Srgrimes */ 11204Srgrimes prefix = TRUE; 11214Srgrimes do { 11224Srgrimes switch (inst) { 11234Srgrimes case 0x66: /* data16 */ 11244Srgrimes size = WORD; 11254Srgrimes break; 11264Srgrimes case 0x67: 11274Srgrimes short_addr = TRUE; 11284Srgrimes break; 11294Srgrimes case 0x26: 11304Srgrimes seg = "%es"; 11314Srgrimes break; 11324Srgrimes case 0x36: 11334Srgrimes seg = "%ss"; 11344Srgrimes break; 11354Srgrimes case 0x2e: 11364Srgrimes seg = "%cs"; 11374Srgrimes break; 11384Srgrimes case 0x3e: 11394Srgrimes seg = "%ds"; 11404Srgrimes break; 11414Srgrimes case 0x64: 11424Srgrimes seg = "%fs"; 11434Srgrimes break; 11444Srgrimes case 0x65: 11454Srgrimes seg = "%gs"; 11464Srgrimes break; 11474Srgrimes case 0xf0: 11484Srgrimes db_printf("lock "); 11494Srgrimes break; 11504Srgrimes case 0xf2: 11514Srgrimes db_printf("repne "); 11524Srgrimes break; 11534Srgrimes case 0xf3: 11544Srgrimes db_printf("repe "); /* XXX repe VS rep */ 11554Srgrimes break; 11564Srgrimes default: 11574Srgrimes prefix = FALSE; 11584Srgrimes break; 11594Srgrimes } 11604Srgrimes if (prefix) { 11614Srgrimes get_value_inc(inst, loc, 1, FALSE); 11624Srgrimes } 11634Srgrimes } while (prefix); 11644Srgrimes 11654Srgrimes if (inst >= 0xd8 && inst <= 0xdf) { 11664Srgrimes loc = db_disasm_esc(loc, inst, short_addr, size, seg); 11674Srgrimes db_printf("\n"); 11684Srgrimes return (loc); 11694Srgrimes } 11704Srgrimes 11714Srgrimes if (inst == 0x0f) { 11724Srgrimes get_value_inc(inst, loc, 1, FALSE); 11734Srgrimes ip = db_inst_0f[inst>>4]; 11744Srgrimes if (ip == 0) { 11754Srgrimes ip = &db_bad_inst; 11764Srgrimes } 11774Srgrimes else { 11784Srgrimes ip = &ip[inst&0xf]; 11794Srgrimes } 11804Srgrimes } 11814Srgrimes else 11824Srgrimes ip = &db_inst_table[inst]; 11834Srgrimes 11844Srgrimes if (ip->i_has_modrm) { 11854Srgrimes get_value_inc(regmodrm, loc, 1, FALSE); 11864Srgrimes loc = db_read_address(loc, short_addr, regmodrm, &address); 11874Srgrimes } 11884Srgrimes 11894Srgrimes i_name = ip->i_name; 11904Srgrimes i_size = ip->i_size; 11914Srgrimes i_mode = ip->i_mode; 11924Srgrimes 119317109Sbde if (ip->i_extra == db_Grp1 || ip->i_extra == db_Grp2 || 119417109Sbde ip->i_extra == db_Grp6 || ip->i_extra == db_Grp7 || 119517109Sbde ip->i_extra == db_Grp8) { 119617109Sbde i_name = ((const char * const *)ip->i_extra)[f_reg(regmodrm)]; 11974Srgrimes } 119817109Sbde else if (ip->i_extra == db_Grp3) { 119917109Sbde ip = ip->i_extra; 12004Srgrimes ip = &ip[f_reg(regmodrm)]; 12014Srgrimes i_name = ip->i_name; 12024Srgrimes i_mode = ip->i_mode; 12034Srgrimes } 120417109Sbde else if (ip->i_extra == db_Grp4 || ip->i_extra == db_Grp5) { 120517109Sbde ip = ip->i_extra; 12064Srgrimes ip = &ip[f_reg(regmodrm)]; 12074Srgrimes i_name = ip->i_name; 12084Srgrimes i_mode = ip->i_mode; 12094Srgrimes i_size = ip->i_size; 12104Srgrimes } 12114Srgrimes 12124Srgrimes if (i_size == SDEP) { 12134Srgrimes if (size == WORD) 12144Srgrimes db_printf(i_name); 12154Srgrimes else 121617109Sbde db_printf((const char *)ip->i_extra); 12174Srgrimes } 12184Srgrimes else { 12194Srgrimes db_printf(i_name); 12204Srgrimes if (i_size != NONE) { 12214Srgrimes if (i_size == BYTE) { 12224Srgrimes db_printf("b"); 12234Srgrimes size = BYTE; 12244Srgrimes } 12254Srgrimes else if (i_size == WORD) { 12264Srgrimes db_printf("w"); 12274Srgrimes size = WORD; 12284Srgrimes } 12294Srgrimes else if (size == WORD) 12304Srgrimes db_printf("w"); 12314Srgrimes else 12324Srgrimes db_printf("l"); 12334Srgrimes } 12344Srgrimes } 12354Srgrimes db_printf("\t"); 12364Srgrimes for (first = TRUE; 12374Srgrimes i_mode != 0; 12384Srgrimes i_mode >>= 8, first = FALSE) 12394Srgrimes { 12404Srgrimes if (!first) 12414Srgrimes db_printf(","); 12424Srgrimes 12434Srgrimes switch (i_mode & 0xFF) { 12444Srgrimes 12454Srgrimes case E: 12464Srgrimes db_print_address(seg, size, &address); 12474Srgrimes break; 12484Srgrimes 12494Srgrimes case Eind: 12504Srgrimes db_printf("*"); 12514Srgrimes db_print_address(seg, size, &address); 12524Srgrimes break; 12534Srgrimes 12544Srgrimes case Ew: 12554Srgrimes db_print_address(seg, WORD, &address); 12564Srgrimes break; 12574Srgrimes 12584Srgrimes case Eb: 12594Srgrimes db_print_address(seg, BYTE, &address); 12604Srgrimes break; 12614Srgrimes 12624Srgrimes case R: 12634Srgrimes db_printf("%s", db_reg[size][f_reg(regmodrm)]); 12644Srgrimes break; 12654Srgrimes 12664Srgrimes case Rw: 12674Srgrimes db_printf("%s", db_reg[WORD][f_reg(regmodrm)]); 12684Srgrimes break; 12694Srgrimes 12704Srgrimes case Ri: 12714Srgrimes db_printf("%s", db_reg[size][f_rm(inst)]); 12724Srgrimes break; 12734Srgrimes 12744Srgrimes case S: 12754Srgrimes db_printf("%s", db_seg_reg[f_reg(regmodrm)]); 12764Srgrimes break; 12774Srgrimes 12784Srgrimes case Si: 12794Srgrimes db_printf("%s", db_seg_reg[f_reg(inst)]); 12804Srgrimes break; 12814Srgrimes 12824Srgrimes case A: 12834Srgrimes db_printf("%s", db_reg[size][0]); /* acc */ 12844Srgrimes break; 12854Srgrimes 12864Srgrimes case BX: 12874Srgrimes if (seg) 12884Srgrimes db_printf("%s:", seg); 12894Srgrimes db_printf("(%s)", short_addr ? "%bx" : "%ebx"); 12904Srgrimes break; 12914Srgrimes 12924Srgrimes case CL: 12934Srgrimes db_printf("%%cl"); 12944Srgrimes break; 12954Srgrimes 12964Srgrimes case DX: 12974Srgrimes db_printf("%%dx"); 12984Srgrimes break; 12994Srgrimes 13004Srgrimes case SI: 13014Srgrimes if (seg) 13024Srgrimes db_printf("%s:", seg); 13034Srgrimes db_printf("(%s)", short_addr ? "%si" : "%esi"); 13044Srgrimes break; 13054Srgrimes 13064Srgrimes case DI: 13074Srgrimes db_printf("%%es:(%s)", short_addr ? "%di" : "%edi"); 13084Srgrimes break; 13094Srgrimes 13104Srgrimes case CR: 13114Srgrimes db_printf("%%cr%d", f_reg(regmodrm)); 13124Srgrimes break; 13134Srgrimes 13144Srgrimes case DR: 13154Srgrimes db_printf("%%dr%d", f_reg(regmodrm)); 13164Srgrimes break; 13174Srgrimes 13184Srgrimes case TR: 13194Srgrimes db_printf("%%tr%d", f_reg(regmodrm)); 13204Srgrimes break; 13214Srgrimes 13224Srgrimes case I: 13234Srgrimes len = db_lengths[size]; 13244Srgrimes get_value_inc(imm, loc, len, FALSE);/* unsigned */ 13254Srgrimes db_printf("$%#n", imm); 13264Srgrimes break; 13274Srgrimes 13284Srgrimes case Is: 13294Srgrimes len = db_lengths[size]; 13304Srgrimes get_value_inc(imm, loc, len, TRUE); /* signed */ 133113446Sphk db_printf("$%+#n", imm); 13324Srgrimes break; 13334Srgrimes 13344Srgrimes case Ib: 13354Srgrimes get_value_inc(imm, loc, 1, FALSE); /* unsigned */ 13364Srgrimes db_printf("$%#n", imm); 13374Srgrimes break; 13384Srgrimes 13394Srgrimes case Ibs: 13404Srgrimes get_value_inc(imm, loc, 1, TRUE); /* signed */ 134113446Sphk db_printf("$%+#n", imm); 13424Srgrimes break; 13434Srgrimes 13444Srgrimes case Iw: 13454Srgrimes get_value_inc(imm, loc, 2, FALSE); /* unsigned */ 13464Srgrimes db_printf("$%#n", imm); 13474Srgrimes break; 13484Srgrimes 13494Srgrimes case Il: 13504Srgrimes get_value_inc(imm, loc, 4, FALSE); 13514Srgrimes db_printf("$%#n", imm); 13524Srgrimes break; 13534Srgrimes 13544Srgrimes case O: 13554Srgrimes if (short_addr) { 13564Srgrimes get_value_inc(displ, loc, 2, TRUE); 13574Srgrimes } 13584Srgrimes else { 13594Srgrimes get_value_inc(displ, loc, 4, TRUE); 13604Srgrimes } 13614Srgrimes if (seg) 136213446Sphk db_printf("%s:%+#n",seg, displ); 13634Srgrimes else 13644Srgrimes db_printsym((db_addr_t)displ, DB_STGY_ANY); 13654Srgrimes break; 13664Srgrimes 13674Srgrimes case Db: 13684Srgrimes get_value_inc(displ, loc, 1, TRUE); 13694Srgrimes db_printsym((db_addr_t)(displ + loc), DB_STGY_XTRN); 13704Srgrimes break; 13714Srgrimes 13724Srgrimes case Dl: 13734Srgrimes get_value_inc(displ, loc, 4, TRUE); 13744Srgrimes db_printsym((db_addr_t)(displ + loc), DB_STGY_XTRN); 13754Srgrimes break; 13764Srgrimes 13774Srgrimes case o1: 13784Srgrimes db_printf("$1"); 13794Srgrimes break; 13804Srgrimes 13814Srgrimes case o3: 13824Srgrimes db_printf("$3"); 13834Srgrimes break; 13844Srgrimes 13854Srgrimes case OS: 13864Srgrimes get_value_inc(imm, loc, 4, FALSE); /* offset */ 13874Srgrimes get_value_inc(imm2, loc, 2, FALSE); /* segment */ 13884Srgrimes db_printf("$%#n,%#n", imm2, imm); 13894Srgrimes break; 13904Srgrimes } 13914Srgrimes } 13924Srgrimes db_printf("\n"); 13934Srgrimes return (loc); 13944Srgrimes} 13954Srgrimes 1396