db_disasm.c revision 164263
1139731Simp/*- 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. 254Srgrimes */ 264Srgrimes 27118031Sobrien#include <sys/cdefs.h> 28118031Sobrien__FBSDID("$FreeBSD: head/sys/amd64/amd64/db_disasm.c 164263 2006-11-13 21:14:54Z jhb $"); 29118031Sobrien 304Srgrimes/* 314Srgrimes * Instruction disassembler. 324Srgrimes */ 332056Swollman#include <sys/param.h> 3424494Sbde 352056Swollman#include <ddb/ddb.h> 364Srgrimes#include <ddb/db_access.h> 374Srgrimes#include <ddb/db_sym.h> 384Srgrimes 394Srgrimes/* 404Srgrimes * Size attributes 414Srgrimes */ 424Srgrimes#define BYTE 0 434Srgrimes#define WORD 1 444Srgrimes#define LONG 2 454Srgrimes#define QUAD 3 464Srgrimes#define SNGL 4 474Srgrimes#define DBLR 5 484Srgrimes#define EXTR 6 494Srgrimes#define SDEP 7 504Srgrimes#define NONE 8 514Srgrimes 524Srgrimes/* 53144353Speter * REX prefix and bits 54144353Speter */ 55144353Speter#define REX_B 1 56144353Speter#define REX_X 2 57144353Speter#define REX_R 4 58144353Speter#define REX_W 8 59144353Speter#define REX 0x40 60144353Speter 61144353Speter/* 624Srgrimes * Addressing modes 634Srgrimes */ 644Srgrimes#define E 1 /* general effective address */ 654Srgrimes#define Eind 2 /* indirect address (jump, call) */ 664Srgrimes#define Ew 3 /* address, word size */ 674Srgrimes#define Eb 4 /* address, byte size */ 684Srgrimes#define R 5 /* register, in 'reg' field */ 694Srgrimes#define Rw 6 /* word register, in 'reg' field */ 704Srgrimes#define Ri 7 /* register in instruction */ 714Srgrimes#define S 8 /* segment reg, in 'reg' field */ 724Srgrimes#define Si 9 /* segment reg, in instruction */ 734Srgrimes#define A 10 /* accumulator */ 744Srgrimes#define BX 11 /* (bx) */ 754Srgrimes#define CL 12 /* cl, for shifts */ 764Srgrimes#define DX 13 /* dx, for IO */ 774Srgrimes#define SI 14 /* si */ 784Srgrimes#define DI 15 /* di */ 794Srgrimes#define CR 16 /* control register */ 804Srgrimes#define DR 17 /* debug register */ 814Srgrimes#define TR 18 /* test register */ 824Srgrimes#define I 19 /* immediate, unsigned */ 834Srgrimes#define Is 20 /* immediate, signed */ 844Srgrimes#define Ib 21 /* byte immediate, unsigned */ 854Srgrimes#define Ibs 22 /* byte immediate, signed */ 864Srgrimes#define Iw 23 /* word immediate, unsigned */ 87164263Sjhb#define Ilq 24 /* long/quad immediate, unsigned */ 884Srgrimes#define O 25 /* direct address */ 894Srgrimes#define Db 26 /* byte displacement from EIP */ 904Srgrimes#define Dl 27 /* long displacement from EIP */ 914Srgrimes#define o1 28 /* constant 1 */ 924Srgrimes#define o3 29 /* constant 3 */ 934Srgrimes#define OS 30 /* immediate offset/segment */ 944Srgrimes#define ST 31 /* FP stack top */ 954Srgrimes#define STI 32 /* FP stack */ 964Srgrimes#define X 33 /* extended FP op */ 974Srgrimes#define XA 34 /* for 'fstcw %ax' */ 98144354Speter#define El 35 /* address, long/quad size */ 9921277Sbde#define Ril 36 /* long register in instruction */ 10021277Sbde#define Iba 37 /* byte immediate, don't print if 0xa */ 101144354Speter#define EL 38 /* address, explicitly long size */ 1024Srgrimes 10311940Sbdestruct inst { 10414887Swollman const char * i_name; /* name */ 1054Srgrimes short i_has_modrm; /* has regmodrm byte */ 1064Srgrimes short i_size; /* operand size */ 1074Srgrimes int i_mode; /* addressing modes */ 10817109Sbde const void * i_extra; /* pointer to extra opcode table */ 1094Srgrimes}; 1104Srgrimes 1114Srgrimes#define op1(x) (x) 1124Srgrimes#define op2(x,y) ((x)|((y)<<8)) 1134Srgrimes#define op3(x,y,z) ((x)|((y)<<8)|((z)<<16)) 1144Srgrimes 11511940Sbdestruct finst { 11614887Swollman const char * f_name; /* name for memory instruction */ 1174Srgrimes int f_size; /* size for memory instruction */ 1184Srgrimes int f_rrmode; /* mode for rr instruction */ 11917109Sbde const void * f_rrname; /* name for rr instruction 1204Srgrimes (or pointer to table) */ 1214Srgrimes}; 1224Srgrimes 12314887Swollmanstatic const char * const db_Grp6[] = { 1244Srgrimes "sldt", 1254Srgrimes "str", 1264Srgrimes "lldt", 1274Srgrimes "ltr", 1284Srgrimes "verr", 1294Srgrimes "verw", 1304Srgrimes "", 1314Srgrimes "" 1324Srgrimes}; 1334Srgrimes 13414887Swollmanstatic const char * const db_Grp7[] = { 1354Srgrimes "sgdt", 1364Srgrimes "sidt", 1374Srgrimes "lgdt", 1384Srgrimes "lidt", 1394Srgrimes "smsw", 1404Srgrimes "", 1414Srgrimes "lmsw", 1424Srgrimes "invlpg" 1434Srgrimes}; 1444Srgrimes 14514887Swollmanstatic const char * const db_Grp8[] = { 1464Srgrimes "", 1474Srgrimes "", 1484Srgrimes "", 1494Srgrimes "", 1504Srgrimes "bt", 1514Srgrimes "bts", 1524Srgrimes "btr", 1534Srgrimes "btc" 1544Srgrimes}; 1554Srgrimes 15621277Sbdestatic const char * const db_Grp9[] = { 15721277Sbde "", 15821277Sbde "cmpxchg8b", 15921277Sbde "", 16021277Sbde "", 16121277Sbde "", 16221277Sbde "", 16321277Sbde "", 16421277Sbde "" 16521277Sbde}; 16621277Sbde 16714887Swollmanstatic const struct inst db_inst_0f0x[] = { 16817109Sbde/*00*/ { "", TRUE, NONE, op1(Ew), db_Grp6 }, 16917109Sbde/*01*/ { "", TRUE, NONE, op1(Ew), db_Grp7 }, 1704Srgrimes/*02*/ { "lar", TRUE, LONG, op2(E,R), 0 }, 1714Srgrimes/*03*/ { "lsl", TRUE, LONG, op2(E,R), 0 }, 1724Srgrimes/*04*/ { "", FALSE, NONE, 0, 0 }, 1734Srgrimes/*05*/ { "", FALSE, NONE, 0, 0 }, 1744Srgrimes/*06*/ { "clts", FALSE, NONE, 0, 0 }, 1754Srgrimes/*07*/ { "", FALSE, NONE, 0, 0 }, 1764Srgrimes 1774Srgrimes/*08*/ { "invd", FALSE, NONE, 0, 0 }, 1784Srgrimes/*09*/ { "wbinvd",FALSE, NONE, 0, 0 }, 1794Srgrimes/*0a*/ { "", FALSE, NONE, 0, 0 }, 1804Srgrimes/*0b*/ { "", FALSE, NONE, 0, 0 }, 1814Srgrimes/*0c*/ { "", FALSE, NONE, 0, 0 }, 1824Srgrimes/*0d*/ { "", FALSE, NONE, 0, 0 }, 1834Srgrimes/*0e*/ { "", FALSE, NONE, 0, 0 }, 1844Srgrimes/*0f*/ { "", FALSE, NONE, 0, 0 }, 1854Srgrimes}; 1864Srgrimes 18717109Sbdestatic const struct inst db_inst_0f2x[] = { 18821277Sbde/*20*/ { "mov", TRUE, LONG, op2(CR,El), 0 }, 18921277Sbde/*21*/ { "mov", TRUE, LONG, op2(DR,El), 0 }, 19021277Sbde/*22*/ { "mov", TRUE, LONG, op2(El,CR), 0 }, 19121277Sbde/*23*/ { "mov", TRUE, LONG, op2(El,DR), 0 }, 19221277Sbde/*24*/ { "mov", TRUE, LONG, op2(TR,El), 0 }, 1934Srgrimes/*25*/ { "", FALSE, NONE, 0, 0 }, 19421277Sbde/*26*/ { "mov", TRUE, LONG, op2(El,TR), 0 }, 1954Srgrimes/*27*/ { "", FALSE, NONE, 0, 0 }, 1964Srgrimes 1974Srgrimes/*28*/ { "", FALSE, NONE, 0, 0 }, 1984Srgrimes/*29*/ { "", FALSE, NONE, 0, 0 }, 1994Srgrimes/*2a*/ { "", FALSE, NONE, 0, 0 }, 2004Srgrimes/*2b*/ { "", FALSE, NONE, 0, 0 }, 2014Srgrimes/*2c*/ { "", FALSE, NONE, 0, 0 }, 2024Srgrimes/*2d*/ { "", FALSE, NONE, 0, 0 }, 2034Srgrimes/*2e*/ { "", FALSE, NONE, 0, 0 }, 2044Srgrimes/*2f*/ { "", FALSE, NONE, 0, 0 }, 2054Srgrimes}; 2064Srgrimes 20714887Swollmanstatic const struct inst db_inst_0f3x[] = { 20814887Swollman/*30*/ { "wrmsr", FALSE, NONE, 0, 0 }, 20914887Swollman/*31*/ { "rdtsc", FALSE, NONE, 0, 0 }, 21014887Swollman/*32*/ { "rdmsr", FALSE, NONE, 0, 0 }, 21114887Swollman/*33*/ { "rdpmc", FALSE, NONE, 0, 0 }, 21214887Swollman/*34*/ { "", FALSE, NONE, 0, 0 }, 21314887Swollman/*35*/ { "", FALSE, NONE, 0, 0 }, 21414887Swollman/*36*/ { "", FALSE, NONE, 0, 0 }, 21514887Swollman/*37*/ { "", FALSE, NONE, 0, 0 }, 21614887Swollman 21714887Swollman/*38*/ { "", FALSE, NONE, 0, 0 }, 21814887Swollman/*39*/ { "", FALSE, NONE, 0, 0 }, 21914887Swollman/*3a*/ { "", FALSE, NONE, 0, 0 }, 22014887Swollman/*3b*/ { "", FALSE, NONE, 0, 0 }, 22114887Swollman/*3c*/ { "", FALSE, NONE, 0, 0 }, 22214887Swollman/*3d*/ { "", FALSE, NONE, 0, 0 }, 22314887Swollman/*3e*/ { "", FALSE, NONE, 0, 0 }, 22414887Swollman/*3f*/ { "", FALSE, NONE, 0, 0 }, 22514887Swollman}; 22614887Swollman 227144354Speterstatic const struct inst db_inst_0f4x[] = { 228144354Speter/*40*/ { "cmovo", TRUE, NONE, op2(E, R), 0 }, 229144354Speter/*41*/ { "cmovno", TRUE, NONE, op2(E, R), 0 }, 230144354Speter/*42*/ { "cmovb", TRUE, NONE, op2(E, R), 0 }, 231144354Speter/*43*/ { "cmovnb", TRUE, NONE, op2(E, R), 0 }, 232144354Speter/*44*/ { "cmovz", TRUE, NONE, op2(E, R), 0 }, 233144354Speter/*45*/ { "cmovnz", TRUE, NONE, op2(E, R), 0 }, 234144354Speter/*46*/ { "cmovbe", TRUE, NONE, op2(E, R), 0 }, 235144354Speter/*47*/ { "cmovnbe",TRUE, NONE, op2(E, R), 0 }, 236144354Speter 237144354Speter/*48*/ { "cmovs", TRUE, NONE, op2(E, R), 0 }, 238144354Speter/*49*/ { "cmovns", TRUE, NONE, op2(E, R), 0 }, 239144354Speter/*4a*/ { "cmovp", TRUE, NONE, op2(E, R), 0 }, 240144354Speter/*4b*/ { "cmovnp", TRUE, NONE, op2(E, R), 0 }, 241144354Speter/*4c*/ { "cmovl", TRUE, NONE, op2(E, R), 0 }, 242144354Speter/*4d*/ { "cmovnl", TRUE, NONE, op2(E, R), 0 }, 243144354Speter/*4e*/ { "cmovle", TRUE, NONE, op2(E, R), 0 }, 244144354Speter/*4f*/ { "cmovnle",TRUE, NONE, op2(E, R), 0 }, 245144354Speter}; 246144354Speter 24717109Sbdestatic const struct inst db_inst_0f8x[] = { 2484Srgrimes/*80*/ { "jo", FALSE, NONE, op1(Dl), 0 }, 2494Srgrimes/*81*/ { "jno", FALSE, NONE, op1(Dl), 0 }, 2504Srgrimes/*82*/ { "jb", FALSE, NONE, op1(Dl), 0 }, 2514Srgrimes/*83*/ { "jnb", FALSE, NONE, op1(Dl), 0 }, 2524Srgrimes/*84*/ { "jz", FALSE, NONE, op1(Dl), 0 }, 2534Srgrimes/*85*/ { "jnz", FALSE, NONE, op1(Dl), 0 }, 2544Srgrimes/*86*/ { "jbe", FALSE, NONE, op1(Dl), 0 }, 2554Srgrimes/*87*/ { "jnbe", FALSE, NONE, op1(Dl), 0 }, 2564Srgrimes 2574Srgrimes/*88*/ { "js", FALSE, NONE, op1(Dl), 0 }, 2584Srgrimes/*89*/ { "jns", FALSE, NONE, op1(Dl), 0 }, 2594Srgrimes/*8a*/ { "jp", FALSE, NONE, op1(Dl), 0 }, 2604Srgrimes/*8b*/ { "jnp", FALSE, NONE, op1(Dl), 0 }, 2614Srgrimes/*8c*/ { "jl", FALSE, NONE, op1(Dl), 0 }, 2624Srgrimes/*8d*/ { "jnl", FALSE, NONE, op1(Dl), 0 }, 2634Srgrimes/*8e*/ { "jle", FALSE, NONE, op1(Dl), 0 }, 2644Srgrimes/*8f*/ { "jnle", FALSE, NONE, op1(Dl), 0 }, 2654Srgrimes}; 2664Srgrimes 26717109Sbdestatic const struct inst db_inst_0f9x[] = { 2684Srgrimes/*90*/ { "seto", TRUE, NONE, op1(Eb), 0 }, 2694Srgrimes/*91*/ { "setno", TRUE, NONE, op1(Eb), 0 }, 2704Srgrimes/*92*/ { "setb", TRUE, NONE, op1(Eb), 0 }, 2714Srgrimes/*93*/ { "setnb", TRUE, NONE, op1(Eb), 0 }, 2724Srgrimes/*94*/ { "setz", TRUE, NONE, op1(Eb), 0 }, 2734Srgrimes/*95*/ { "setnz", TRUE, NONE, op1(Eb), 0 }, 2744Srgrimes/*96*/ { "setbe", TRUE, NONE, op1(Eb), 0 }, 2754Srgrimes/*97*/ { "setnbe",TRUE, NONE, op1(Eb), 0 }, 2764Srgrimes 2774Srgrimes/*98*/ { "sets", TRUE, NONE, op1(Eb), 0 }, 2784Srgrimes/*99*/ { "setns", TRUE, NONE, op1(Eb), 0 }, 2794Srgrimes/*9a*/ { "setp", TRUE, NONE, op1(Eb), 0 }, 2804Srgrimes/*9b*/ { "setnp", TRUE, NONE, op1(Eb), 0 }, 2814Srgrimes/*9c*/ { "setl", TRUE, NONE, op1(Eb), 0 }, 2824Srgrimes/*9d*/ { "setnl", TRUE, NONE, op1(Eb), 0 }, 2834Srgrimes/*9e*/ { "setle", TRUE, NONE, op1(Eb), 0 }, 2844Srgrimes/*9f*/ { "setnle",TRUE, NONE, op1(Eb), 0 }, 2854Srgrimes}; 2864Srgrimes 28717109Sbdestatic const struct inst db_inst_0fax[] = { 2884Srgrimes/*a0*/ { "push", FALSE, NONE, op1(Si), 0 }, 2894Srgrimes/*a1*/ { "pop", FALSE, NONE, op1(Si), 0 }, 29021277Sbde/*a2*/ { "cpuid", FALSE, NONE, 0, 0 }, 29121277Sbde/*a3*/ { "bt", TRUE, LONG, op2(R,E), 0 }, 29217109Sbde/*a4*/ { "shld", TRUE, LONG, op3(Ib,R,E), 0 }, 29317109Sbde/*a5*/ { "shld", TRUE, LONG, op3(CL,R,E), 0 }, 2944Srgrimes/*a6*/ { "", FALSE, NONE, 0, 0 }, 2954Srgrimes/*a7*/ { "", FALSE, NONE, 0, 0 }, 2964Srgrimes 2974Srgrimes/*a8*/ { "push", FALSE, NONE, op1(Si), 0 }, 2984Srgrimes/*a9*/ { "pop", FALSE, NONE, op1(Si), 0 }, 29921277Sbde/*aa*/ { "rsm", FALSE, NONE, 0, 0 }, 30021277Sbde/*ab*/ { "bts", TRUE, LONG, op2(R,E), 0 }, 30117109Sbde/*ac*/ { "shrd", TRUE, LONG, op3(Ib,R,E), 0 }, 30217109Sbde/*ad*/ { "shrd", TRUE, LONG, op3(CL,R,E), 0 }, 3034Srgrimes/*a6*/ { "", FALSE, NONE, 0, 0 }, 3044Srgrimes/*a7*/ { "imul", TRUE, LONG, op2(E,R), 0 }, 3054Srgrimes}; 3064Srgrimes 30717109Sbdestatic const struct inst db_inst_0fbx[] = { 30821277Sbde/*b0*/ { "cmpxchg",TRUE, BYTE, op2(R, E), 0 }, 30921277Sbde/*b0*/ { "cmpxchg",TRUE, LONG, op2(R, E), 0 }, 3104Srgrimes/*b2*/ { "lss", TRUE, LONG, op2(E, R), 0 }, 31121277Sbde/*b3*/ { "btr", TRUE, LONG, op2(R, E), 0 }, 3124Srgrimes/*b4*/ { "lfs", TRUE, LONG, op2(E, R), 0 }, 3134Srgrimes/*b5*/ { "lgs", TRUE, LONG, op2(E, R), 0 }, 31421277Sbde/*b6*/ { "movzb", TRUE, LONG, op2(Eb, R), 0 }, 31521277Sbde/*b7*/ { "movzw", TRUE, LONG, op2(Ew, R), 0 }, 3164Srgrimes 3174Srgrimes/*b8*/ { "", FALSE, NONE, 0, 0 }, 3184Srgrimes/*b9*/ { "", FALSE, NONE, 0, 0 }, 31917109Sbde/*ba*/ { "", TRUE, LONG, op2(Ib, E), db_Grp8 }, 3204Srgrimes/*bb*/ { "btc", TRUE, LONG, op2(R, E), 0 }, 3214Srgrimes/*bc*/ { "bsf", TRUE, LONG, op2(E, R), 0 }, 3224Srgrimes/*bd*/ { "bsr", TRUE, LONG, op2(E, R), 0 }, 32321277Sbde/*be*/ { "movsb", TRUE, LONG, op2(Eb, R), 0 }, 32421277Sbde/*bf*/ { "movsw", TRUE, LONG, op2(Ew, R), 0 }, 3254Srgrimes}; 3264Srgrimes 32717109Sbdestatic const struct inst db_inst_0fcx[] = { 3284Srgrimes/*c0*/ { "xadd", TRUE, BYTE, op2(R, E), 0 }, 3294Srgrimes/*c1*/ { "xadd", TRUE, LONG, op2(R, E), 0 }, 3304Srgrimes/*c2*/ { "", FALSE, NONE, 0, 0 }, 3314Srgrimes/*c3*/ { "", FALSE, NONE, 0, 0 }, 3324Srgrimes/*c4*/ { "", FALSE, NONE, 0, 0 }, 3334Srgrimes/*c5*/ { "", FALSE, NONE, 0, 0 }, 3344Srgrimes/*c6*/ { "", FALSE, NONE, 0, 0 }, 33521277Sbde/*c7*/ { "", TRUE, NONE, op1(E), db_Grp9 }, 33621277Sbde/*c8*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 33721277Sbde/*c9*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 33821277Sbde/*ca*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 33921277Sbde/*cb*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 34021277Sbde/*cc*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 34121277Sbde/*cd*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 34221277Sbde/*ce*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 34321277Sbde/*cf*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 3444Srgrimes}; 3454Srgrimes 34614887Swollmanstatic const struct inst * const db_inst_0f[] = { 3474Srgrimes db_inst_0f0x, 3484Srgrimes 0, 3494Srgrimes db_inst_0f2x, 35014887Swollman db_inst_0f3x, 351144354Speter db_inst_0f4x, 3524Srgrimes 0, 3534Srgrimes 0, 3544Srgrimes 0, 3554Srgrimes db_inst_0f8x, 3564Srgrimes db_inst_0f9x, 3574Srgrimes db_inst_0fax, 3584Srgrimes db_inst_0fbx, 3594Srgrimes db_inst_0fcx, 3604Srgrimes 0, 36121277Sbde 0, 3624Srgrimes 0 3634Srgrimes}; 3644Srgrimes 36514887Swollmanstatic const char * const db_Esc92[] = { 3664Srgrimes "fnop", "", "", "", "", "", "", "" 3674Srgrimes}; 36814887Swollmanstatic const char * const db_Esc94[] = { 3694Srgrimes "fchs", "fabs", "", "", "ftst", "fxam", "", "" 3704Srgrimes}; 37117109Sbdestatic const char * const db_Esc95[] = { 3724Srgrimes "fld1", "fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","" 3734Srgrimes}; 37417109Sbdestatic const char * const db_Esc96[] = { 3754Srgrimes "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp", 3764Srgrimes "fincstp" 3774Srgrimes}; 37814887Swollmanstatic const char * const db_Esc97[] = { 3794Srgrimes "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos" 3804Srgrimes}; 3814Srgrimes 38221277Sbdestatic const char * const db_Esca5[] = { 3834Srgrimes "", "fucompp","", "", "", "", "", "" 3844Srgrimes}; 3854Srgrimes 38617109Sbdestatic const char * const db_Escb4[] = { 38721277Sbde "fneni","fndisi", "fnclex","fninit","fsetpm", "", "", "" 3884Srgrimes}; 3894Srgrimes 39014887Swollmanstatic const char * const db_Esce3[] = { 3914Srgrimes "", "fcompp","", "", "", "", "", "" 3924Srgrimes}; 3934Srgrimes 39417109Sbdestatic const char * const db_Escf4[] = { 3954Srgrimes "fnstsw","", "", "", "", "", "", "" 3964Srgrimes}; 3974Srgrimes 39814887Swollmanstatic const struct finst db_Esc8[] = { 3994Srgrimes/*0*/ { "fadd", SNGL, op2(STI,ST), 0 }, 4004Srgrimes/*1*/ { "fmul", SNGL, op2(STI,ST), 0 }, 4014Srgrimes/*2*/ { "fcom", SNGL, op2(STI,ST), 0 }, 4024Srgrimes/*3*/ { "fcomp", SNGL, op2(STI,ST), 0 }, 4034Srgrimes/*4*/ { "fsub", SNGL, op2(STI,ST), 0 }, 4044Srgrimes/*5*/ { "fsubr", SNGL, op2(STI,ST), 0 }, 4054Srgrimes/*6*/ { "fdiv", SNGL, op2(STI,ST), 0 }, 4064Srgrimes/*7*/ { "fdivr", SNGL, op2(STI,ST), 0 }, 4074Srgrimes}; 4084Srgrimes 40914887Swollmanstatic const struct finst db_Esc9[] = { 4104Srgrimes/*0*/ { "fld", SNGL, op1(STI), 0 }, 4114Srgrimes/*1*/ { "", NONE, op1(STI), "fxch" }, 41217109Sbde/*2*/ { "fst", SNGL, op1(X), db_Esc92 }, 41321277Sbde/*3*/ { "fstp", SNGL, 0, 0 }, 41417109Sbde/*4*/ { "fldenv", NONE, op1(X), db_Esc94 }, 41517109Sbde/*5*/ { "fldcw", NONE, op1(X), db_Esc95 }, 41617109Sbde/*6*/ { "fnstenv",NONE, op1(X), db_Esc96 }, 41717109Sbde/*7*/ { "fnstcw", NONE, op1(X), db_Esc97 }, 4184Srgrimes}; 4194Srgrimes 42014887Swollmanstatic const struct finst db_Esca[] = { 42121277Sbde/*0*/ { "fiadd", LONG, 0, 0 }, 42221277Sbde/*1*/ { "fimul", LONG, 0, 0 }, 42321277Sbde/*2*/ { "ficom", LONG, 0, 0 }, 42421277Sbde/*3*/ { "ficomp", LONG, 0, 0 }, 42521277Sbde/*4*/ { "fisub", LONG, 0, 0 }, 42621277Sbde/*5*/ { "fisubr", LONG, op1(X), db_Esca5 }, 42721277Sbde/*6*/ { "fidiv", LONG, 0, 0 }, 42821277Sbde/*7*/ { "fidivr", LONG, 0, 0 } 4294Srgrimes}; 4304Srgrimes 43114887Swollmanstatic const struct finst db_Escb[] = { 43221277Sbde/*0*/ { "fild", LONG, 0, 0 }, 4334Srgrimes/*1*/ { "", NONE, 0, 0 }, 43421277Sbde/*2*/ { "fist", LONG, 0, 0 }, 43521277Sbde/*3*/ { "fistp", LONG, 0, 0 }, 43617109Sbde/*4*/ { "", WORD, op1(X), db_Escb4 }, 4374Srgrimes/*5*/ { "fld", EXTR, 0, 0 }, 4384Srgrimes/*6*/ { "", WORD, 0, 0 }, 4394Srgrimes/*7*/ { "fstp", EXTR, 0, 0 }, 4404Srgrimes}; 4414Srgrimes 44214887Swollmanstatic const struct finst db_Escc[] = { 4434Srgrimes/*0*/ { "fadd", DBLR, op2(ST,STI), 0 }, 4444Srgrimes/*1*/ { "fmul", DBLR, op2(ST,STI), 0 }, 44521277Sbde/*2*/ { "fcom", DBLR, 0, 0 }, 44621277Sbde/*3*/ { "fcomp", DBLR, 0, 0 }, 4474Srgrimes/*4*/ { "fsub", DBLR, op2(ST,STI), "fsubr" }, 4484Srgrimes/*5*/ { "fsubr", DBLR, op2(ST,STI), "fsub" }, 4494Srgrimes/*6*/ { "fdiv", DBLR, op2(ST,STI), "fdivr" }, 4504Srgrimes/*7*/ { "fdivr", DBLR, op2(ST,STI), "fdiv" }, 4514Srgrimes}; 4524Srgrimes 45314887Swollmanstatic const struct finst db_Escd[] = { 4544Srgrimes/*0*/ { "fld", DBLR, op1(STI), "ffree" }, 4554Srgrimes/*1*/ { "", NONE, 0, 0 }, 4564Srgrimes/*2*/ { "fst", DBLR, op1(STI), 0 }, 4574Srgrimes/*3*/ { "fstp", DBLR, op1(STI), 0 }, 4584Srgrimes/*4*/ { "frstor", NONE, op1(STI), "fucom" }, 4594Srgrimes/*5*/ { "", NONE, op1(STI), "fucomp" }, 4604Srgrimes/*6*/ { "fnsave", NONE, 0, 0 }, 4614Srgrimes/*7*/ { "fnstsw", NONE, 0, 0 }, 4624Srgrimes}; 4634Srgrimes 46414887Swollmanstatic const struct finst db_Esce[] = { 46521277Sbde/*0*/ { "fiadd", WORD, op2(ST,STI), "faddp" }, 46621277Sbde/*1*/ { "fimul", WORD, op2(ST,STI), "fmulp" }, 46721277Sbde/*2*/ { "ficom", WORD, 0, 0 }, 46821277Sbde/*3*/ { "ficomp", WORD, op1(X), db_Esce3 }, 46921277Sbde/*4*/ { "fisub", WORD, op2(ST,STI), "fsubrp" }, 47021277Sbde/*5*/ { "fisubr", WORD, op2(ST,STI), "fsubp" }, 47121277Sbde/*6*/ { "fidiv", WORD, op2(ST,STI), "fdivrp" }, 47221277Sbde/*7*/ { "fidivr", WORD, op2(ST,STI), "fdivp" }, 4734Srgrimes}; 4744Srgrimes 47514887Swollmanstatic const struct finst db_Escf[] = { 47621277Sbde/*0*/ { "fild", WORD, 0, 0 }, 47721277Sbde/*1*/ { "", NONE, 0, 0 }, 47821277Sbde/*2*/ { "fist", WORD, 0, 0 }, 47921277Sbde/*3*/ { "fistp", WORD, 0, 0 }, 48017109Sbde/*4*/ { "fbld", NONE, op1(XA), db_Escf4 }, 48121277Sbde/*5*/ { "fild", QUAD, 0, 0 }, 4824Srgrimes/*6*/ { "fbstp", NONE, 0, 0 }, 48321277Sbde/*7*/ { "fistp", QUAD, 0, 0 }, 4844Srgrimes}; 4854Srgrimes 48617109Sbdestatic const struct finst * const db_Esc_inst[] = { 4874Srgrimes db_Esc8, db_Esc9, db_Esca, db_Escb, 4884Srgrimes db_Escc, db_Escd, db_Esce, db_Escf 4894Srgrimes}; 4904Srgrimes 49114887Swollmanstatic const char * const db_Grp1[] = { 4924Srgrimes "add", 4934Srgrimes "or", 4944Srgrimes "adc", 4954Srgrimes "sbb", 4964Srgrimes "and", 4974Srgrimes "sub", 4984Srgrimes "xor", 4994Srgrimes "cmp" 5004Srgrimes}; 5014Srgrimes 50214887Swollmanstatic const char * const db_Grp2[] = { 5034Srgrimes "rol", 5044Srgrimes "ror", 5054Srgrimes "rcl", 5064Srgrimes "rcr", 5074Srgrimes "shl", 5084Srgrimes "shr", 5094Srgrimes "shl", 5104Srgrimes "sar" 5114Srgrimes}; 5124Srgrimes 51314887Swollmanstatic const struct inst db_Grp3[] = { 5144Srgrimes { "test", TRUE, NONE, op2(I,E), 0 }, 5154Srgrimes { "test", TRUE, NONE, op2(I,E), 0 }, 5164Srgrimes { "not", TRUE, NONE, op1(E), 0 }, 5174Srgrimes { "neg", TRUE, NONE, op1(E), 0 }, 5184Srgrimes { "mul", TRUE, NONE, op2(E,A), 0 }, 5194Srgrimes { "imul", TRUE, NONE, op2(E,A), 0 }, 5204Srgrimes { "div", TRUE, NONE, op2(E,A), 0 }, 5214Srgrimes { "idiv", TRUE, NONE, op2(E,A), 0 }, 5224Srgrimes}; 5234Srgrimes 52417109Sbdestatic const struct inst db_Grp4[] = { 5254Srgrimes { "inc", TRUE, BYTE, op1(E), 0 }, 5264Srgrimes { "dec", TRUE, BYTE, op1(E), 0 }, 5274Srgrimes { "", TRUE, NONE, 0, 0 }, 5284Srgrimes { "", TRUE, NONE, 0, 0 }, 5294Srgrimes { "", TRUE, NONE, 0, 0 }, 5304Srgrimes { "", TRUE, NONE, 0, 0 }, 5314Srgrimes { "", TRUE, NONE, 0, 0 }, 5324Srgrimes { "", TRUE, NONE, 0, 0 } 5334Srgrimes}; 5344Srgrimes 53517109Sbdestatic const struct inst db_Grp5[] = { 5364Srgrimes { "inc", TRUE, LONG, op1(E), 0 }, 5374Srgrimes { "dec", TRUE, LONG, op1(E), 0 }, 53821277Sbde { "call", TRUE, LONG, op1(Eind),0 }, 53921277Sbde { "lcall", TRUE, LONG, op1(Eind),0 }, 54021277Sbde { "jmp", TRUE, LONG, op1(Eind),0 }, 54121277Sbde { "ljmp", TRUE, LONG, op1(Eind),0 }, 5424Srgrimes { "push", TRUE, LONG, op1(E), 0 }, 5434Srgrimes { "", TRUE, NONE, 0, 0 } 5444Srgrimes}; 5454Srgrimes 54614887Swollmanstatic const struct inst db_inst_table[256] = { 5474Srgrimes/*00*/ { "add", TRUE, BYTE, op2(R, E), 0 }, 5484Srgrimes/*01*/ { "add", TRUE, LONG, op2(R, E), 0 }, 5494Srgrimes/*02*/ { "add", TRUE, BYTE, op2(E, R), 0 }, 5504Srgrimes/*03*/ { "add", TRUE, LONG, op2(E, R), 0 }, 55121277Sbde/*04*/ { "add", FALSE, BYTE, op2(I, A), 0 }, 5524Srgrimes/*05*/ { "add", FALSE, LONG, op2(Is, A), 0 }, 5534Srgrimes/*06*/ { "push", FALSE, NONE, op1(Si), 0 }, 5544Srgrimes/*07*/ { "pop", FALSE, NONE, op1(Si), 0 }, 5554Srgrimes 5564Srgrimes/*08*/ { "or", TRUE, BYTE, op2(R, E), 0 }, 5574Srgrimes/*09*/ { "or", TRUE, LONG, op2(R, E), 0 }, 5584Srgrimes/*0a*/ { "or", TRUE, BYTE, op2(E, R), 0 }, 5594Srgrimes/*0b*/ { "or", TRUE, LONG, op2(E, R), 0 }, 5604Srgrimes/*0c*/ { "or", FALSE, BYTE, op2(I, A), 0 }, 5614Srgrimes/*0d*/ { "or", FALSE, LONG, op2(I, A), 0 }, 5624Srgrimes/*0e*/ { "push", FALSE, NONE, op1(Si), 0 }, 5634Srgrimes/*0f*/ { "", FALSE, NONE, 0, 0 }, 5644Srgrimes 5654Srgrimes/*10*/ { "adc", TRUE, BYTE, op2(R, E), 0 }, 5664Srgrimes/*11*/ { "adc", TRUE, LONG, op2(R, E), 0 }, 5674Srgrimes/*12*/ { "adc", TRUE, BYTE, op2(E, R), 0 }, 5684Srgrimes/*13*/ { "adc", TRUE, LONG, op2(E, R), 0 }, 56921277Sbde/*14*/ { "adc", FALSE, BYTE, op2(I, A), 0 }, 5704Srgrimes/*15*/ { "adc", FALSE, LONG, op2(Is, A), 0 }, 5714Srgrimes/*16*/ { "push", FALSE, NONE, op1(Si), 0 }, 5724Srgrimes/*17*/ { "pop", FALSE, NONE, op1(Si), 0 }, 5734Srgrimes 5744Srgrimes/*18*/ { "sbb", TRUE, BYTE, op2(R, E), 0 }, 5754Srgrimes/*19*/ { "sbb", TRUE, LONG, op2(R, E), 0 }, 5764Srgrimes/*1a*/ { "sbb", TRUE, BYTE, op2(E, R), 0 }, 5774Srgrimes/*1b*/ { "sbb", TRUE, LONG, op2(E, R), 0 }, 57821277Sbde/*1c*/ { "sbb", FALSE, BYTE, op2(I, A), 0 }, 5794Srgrimes/*1d*/ { "sbb", FALSE, LONG, op2(Is, A), 0 }, 5804Srgrimes/*1e*/ { "push", FALSE, NONE, op1(Si), 0 }, 5814Srgrimes/*1f*/ { "pop", FALSE, NONE, op1(Si), 0 }, 5824Srgrimes 5834Srgrimes/*20*/ { "and", TRUE, BYTE, op2(R, E), 0 }, 5844Srgrimes/*21*/ { "and", TRUE, LONG, op2(R, E), 0 }, 5854Srgrimes/*22*/ { "and", TRUE, BYTE, op2(E, R), 0 }, 5864Srgrimes/*23*/ { "and", TRUE, LONG, op2(E, R), 0 }, 5874Srgrimes/*24*/ { "and", FALSE, BYTE, op2(I, A), 0 }, 5884Srgrimes/*25*/ { "and", FALSE, LONG, op2(I, A), 0 }, 5894Srgrimes/*26*/ { "", FALSE, NONE, 0, 0 }, 59021277Sbde/*27*/ { "daa", FALSE, NONE, 0, 0 }, 5914Srgrimes 5924Srgrimes/*28*/ { "sub", TRUE, BYTE, op2(R, E), 0 }, 5934Srgrimes/*29*/ { "sub", TRUE, LONG, op2(R, E), 0 }, 5944Srgrimes/*2a*/ { "sub", TRUE, BYTE, op2(E, R), 0 }, 5954Srgrimes/*2b*/ { "sub", TRUE, LONG, op2(E, R), 0 }, 59621277Sbde/*2c*/ { "sub", FALSE, BYTE, op2(I, A), 0 }, 5974Srgrimes/*2d*/ { "sub", FALSE, LONG, op2(Is, A), 0 }, 5984Srgrimes/*2e*/ { "", FALSE, NONE, 0, 0 }, 5994Srgrimes/*2f*/ { "das", FALSE, NONE, 0, 0 }, 6004Srgrimes 6014Srgrimes/*30*/ { "xor", TRUE, BYTE, op2(R, E), 0 }, 6024Srgrimes/*31*/ { "xor", TRUE, LONG, op2(R, E), 0 }, 6034Srgrimes/*32*/ { "xor", TRUE, BYTE, op2(E, R), 0 }, 6044Srgrimes/*33*/ { "xor", TRUE, LONG, op2(E, R), 0 }, 6054Srgrimes/*34*/ { "xor", FALSE, BYTE, op2(I, A), 0 }, 6064Srgrimes/*35*/ { "xor", FALSE, LONG, op2(I, A), 0 }, 6074Srgrimes/*36*/ { "", FALSE, NONE, 0, 0 }, 60821277Sbde/*37*/ { "aaa", FALSE, NONE, 0, 0 }, 6094Srgrimes 6104Srgrimes/*38*/ { "cmp", TRUE, BYTE, op2(R, E), 0 }, 6114Srgrimes/*39*/ { "cmp", TRUE, LONG, op2(R, E), 0 }, 6124Srgrimes/*3a*/ { "cmp", TRUE, BYTE, op2(E, R), 0 }, 6134Srgrimes/*3b*/ { "cmp", TRUE, LONG, op2(E, R), 0 }, 61421277Sbde/*3c*/ { "cmp", FALSE, BYTE, op2(I, A), 0 }, 6154Srgrimes/*3d*/ { "cmp", FALSE, LONG, op2(Is, A), 0 }, 6164Srgrimes/*3e*/ { "", FALSE, NONE, 0, 0 }, 6174Srgrimes/*3f*/ { "aas", FALSE, NONE, 0, 0 }, 6184Srgrimes 619144353Speter/*40*/ { "rex", FALSE, NONE, 0, 0 }, 620144353Speter/*41*/ { "rex.b", FALSE, NONE, 0, 0 }, 621144353Speter/*42*/ { "rex.x", FALSE, NONE, 0, 0 }, 622144353Speter/*43*/ { "rex.xb", FALSE, NONE, 0, 0 }, 623144353Speter/*44*/ { "rex.r", FALSE, NONE, 0, 0 }, 624144353Speter/*45*/ { "rex.rb", FALSE, NONE, 0, 0 }, 625144353Speter/*46*/ { "rex.rx", FALSE, NONE, 0, 0 }, 626144353Speter/*47*/ { "rex.rxb", FALSE, NONE, 0, 0 }, 6274Srgrimes 628144353Speter/*48*/ { "rex.w", FALSE, NONE, 0, 0 }, 629144353Speter/*49*/ { "rex.wb", FALSE, NONE, 0, 0 }, 630144353Speter/*4a*/ { "rex.wx", FALSE, NONE, 0, 0 }, 631144353Speter/*4b*/ { "rex.wxb", FALSE, NONE, 0, 0 }, 632144353Speter/*4c*/ { "rex.wr", FALSE, NONE, 0, 0 }, 633144353Speter/*4d*/ { "rex.wrb", FALSE, NONE, 0, 0 }, 634144353Speter/*4e*/ { "rex.wrx", FALSE, NONE, 0, 0 }, 635144353Speter/*4f*/ { "rex.wrxb", FALSE, NONE, 0, 0 }, 6364Srgrimes 6374Srgrimes/*50*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6384Srgrimes/*51*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6394Srgrimes/*52*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6404Srgrimes/*53*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6414Srgrimes/*54*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6424Srgrimes/*55*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6434Srgrimes/*56*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6444Srgrimes/*57*/ { "push", FALSE, LONG, op1(Ri), 0 }, 6454Srgrimes 6464Srgrimes/*58*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6474Srgrimes/*59*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6484Srgrimes/*5a*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6494Srgrimes/*5b*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6504Srgrimes/*5c*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6514Srgrimes/*5d*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6524Srgrimes/*5e*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6534Srgrimes/*5f*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 6544Srgrimes 6554Srgrimes/*60*/ { "pusha", FALSE, LONG, 0, 0 }, 6564Srgrimes/*61*/ { "popa", FALSE, LONG, 0, 0 }, 6574Srgrimes/*62*/ { "bound", TRUE, LONG, op2(E, R), 0 }, 658144354Speter/*63*/ { "movslq", TRUE, NONE, op2(EL,R), 0 }, 6594Srgrimes 6604Srgrimes/*64*/ { "", FALSE, NONE, 0, 0 }, 6614Srgrimes/*65*/ { "", FALSE, NONE, 0, 0 }, 6624Srgrimes/*66*/ { "", FALSE, NONE, 0, 0 }, 6634Srgrimes/*67*/ { "", FALSE, NONE, 0, 0 }, 6644Srgrimes 6654Srgrimes/*68*/ { "push", FALSE, LONG, op1(I), 0 }, 6664Srgrimes/*69*/ { "imul", TRUE, LONG, op3(I,E,R), 0 }, 66721277Sbde/*6a*/ { "push", FALSE, LONG, op1(Ibs), 0 }, 6684Srgrimes/*6b*/ { "imul", TRUE, LONG, op3(Ibs,E,R),0 }, 6694Srgrimes/*6c*/ { "ins", FALSE, BYTE, op2(DX, DI), 0 }, 6704Srgrimes/*6d*/ { "ins", FALSE, LONG, op2(DX, DI), 0 }, 6714Srgrimes/*6e*/ { "outs", FALSE, BYTE, op2(SI, DX), 0 }, 6724Srgrimes/*6f*/ { "outs", FALSE, LONG, op2(SI, DX), 0 }, 6734Srgrimes 6744Srgrimes/*70*/ { "jo", FALSE, NONE, op1(Db), 0 }, 6754Srgrimes/*71*/ { "jno", FALSE, NONE, op1(Db), 0 }, 6764Srgrimes/*72*/ { "jb", FALSE, NONE, op1(Db), 0 }, 6774Srgrimes/*73*/ { "jnb", FALSE, NONE, op1(Db), 0 }, 6784Srgrimes/*74*/ { "jz", FALSE, NONE, op1(Db), 0 }, 6794Srgrimes/*75*/ { "jnz", FALSE, NONE, op1(Db), 0 }, 6804Srgrimes/*76*/ { "jbe", FALSE, NONE, op1(Db), 0 }, 6814Srgrimes/*77*/ { "jnbe", FALSE, NONE, op1(Db), 0 }, 6824Srgrimes 6834Srgrimes/*78*/ { "js", FALSE, NONE, op1(Db), 0 }, 6844Srgrimes/*79*/ { "jns", FALSE, NONE, op1(Db), 0 }, 6854Srgrimes/*7a*/ { "jp", FALSE, NONE, op1(Db), 0 }, 6864Srgrimes/*7b*/ { "jnp", FALSE, NONE, op1(Db), 0 }, 6874Srgrimes/*7c*/ { "jl", FALSE, NONE, op1(Db), 0 }, 6884Srgrimes/*7d*/ { "jnl", FALSE, NONE, op1(Db), 0 }, 6894Srgrimes/*7e*/ { "jle", FALSE, NONE, op1(Db), 0 }, 6904Srgrimes/*7f*/ { "jnle", FALSE, NONE, op1(Db), 0 }, 6914Srgrimes 69217109Sbde/*80*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 }, 69317109Sbde/*81*/ { "", TRUE, LONG, op2(I, E), db_Grp1 }, 69421277Sbde/*82*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 }, 69517109Sbde/*83*/ { "", TRUE, LONG, op2(Ibs,E), db_Grp1 }, 6964Srgrimes/*84*/ { "test", TRUE, BYTE, op2(R, E), 0 }, 6974Srgrimes/*85*/ { "test", TRUE, LONG, op2(R, E), 0 }, 6984Srgrimes/*86*/ { "xchg", TRUE, BYTE, op2(R, E), 0 }, 6994Srgrimes/*87*/ { "xchg", TRUE, LONG, op2(R, E), 0 }, 7004Srgrimes 7014Srgrimes/*88*/ { "mov", TRUE, BYTE, op2(R, E), 0 }, 7024Srgrimes/*89*/ { "mov", TRUE, LONG, op2(R, E), 0 }, 7034Srgrimes/*8a*/ { "mov", TRUE, BYTE, op2(E, R), 0 }, 7044Srgrimes/*8b*/ { "mov", TRUE, LONG, op2(E, R), 0 }, 7054Srgrimes/*8c*/ { "mov", TRUE, NONE, op2(S, Ew), 0 }, 7064Srgrimes/*8d*/ { "lea", TRUE, LONG, op2(E, R), 0 }, 7074Srgrimes/*8e*/ { "mov", TRUE, NONE, op2(Ew, S), 0 }, 7084Srgrimes/*8f*/ { "pop", TRUE, LONG, op1(E), 0 }, 7094Srgrimes 7104Srgrimes/*90*/ { "nop", FALSE, NONE, 0, 0 }, 7114Srgrimes/*91*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7124Srgrimes/*92*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7134Srgrimes/*93*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7144Srgrimes/*94*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7154Srgrimes/*95*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7164Srgrimes/*96*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7174Srgrimes/*97*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7184Srgrimes 7194Srgrimes/*98*/ { "cbw", FALSE, SDEP, 0, "cwde" }, /* cbw/cwde */ 7204Srgrimes/*99*/ { "cwd", FALSE, SDEP, 0, "cdq" }, /* cwd/cdq */ 7214Srgrimes/*9a*/ { "lcall", FALSE, NONE, op1(OS), 0 }, 7224Srgrimes/*9b*/ { "wait", FALSE, NONE, 0, 0 }, 7234Srgrimes/*9c*/ { "pushf", FALSE, LONG, 0, 0 }, 7244Srgrimes/*9d*/ { "popf", FALSE, LONG, 0, 0 }, 7254Srgrimes/*9e*/ { "sahf", FALSE, NONE, 0, 0 }, 7264Srgrimes/*9f*/ { "lahf", FALSE, NONE, 0, 0 }, 7274Srgrimes 7284Srgrimes/*a0*/ { "mov", FALSE, BYTE, op2(O, A), 0 }, 7294Srgrimes/*a1*/ { "mov", FALSE, LONG, op2(O, A), 0 }, 7304Srgrimes/*a2*/ { "mov", FALSE, BYTE, op2(A, O), 0 }, 7314Srgrimes/*a3*/ { "mov", FALSE, LONG, op2(A, O), 0 }, 7324Srgrimes/*a4*/ { "movs", FALSE, BYTE, op2(SI,DI), 0 }, 7334Srgrimes/*a5*/ { "movs", FALSE, LONG, op2(SI,DI), 0 }, 7344Srgrimes/*a6*/ { "cmps", FALSE, BYTE, op2(SI,DI), 0 }, 7354Srgrimes/*a7*/ { "cmps", FALSE, LONG, op2(SI,DI), 0 }, 7364Srgrimes 7374Srgrimes/*a8*/ { "test", FALSE, BYTE, op2(I, A), 0 }, 7384Srgrimes/*a9*/ { "test", FALSE, LONG, op2(I, A), 0 }, 7394Srgrimes/*aa*/ { "stos", FALSE, BYTE, op1(DI), 0 }, 7404Srgrimes/*ab*/ { "stos", FALSE, LONG, op1(DI), 0 }, 741118Srgrimes/*ac*/ { "lods", FALSE, BYTE, op1(SI), 0 }, 742118Srgrimes/*ad*/ { "lods", FALSE, LONG, op1(SI), 0 }, 7434Srgrimes/*ae*/ { "scas", FALSE, BYTE, op1(SI), 0 }, 7444Srgrimes/*af*/ { "scas", FALSE, LONG, op1(SI), 0 }, 7454Srgrimes 7464Srgrimes/*b0*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7474Srgrimes/*b1*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7484Srgrimes/*b2*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7494Srgrimes/*b3*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7504Srgrimes/*b4*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7514Srgrimes/*b5*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7524Srgrimes/*b6*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7534Srgrimes/*b7*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 7544Srgrimes 755164263Sjhb/*b8*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 756164263Sjhb/*b9*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 757164263Sjhb/*ba*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 758164263Sjhb/*bb*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 759164263Sjhb/*bc*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 760164263Sjhb/*bd*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 761164263Sjhb/*be*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 762164263Sjhb/*bf*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 7634Srgrimes 76417109Sbde/*c0*/ { "", TRUE, BYTE, op2(Ib, E), db_Grp2 }, 76517109Sbde/*c1*/ { "", TRUE, LONG, op2(Ib, E), db_Grp2 }, 7664Srgrimes/*c2*/ { "ret", FALSE, NONE, op1(Iw), 0 }, 7674Srgrimes/*c3*/ { "ret", FALSE, NONE, 0, 0 }, 7684Srgrimes/*c4*/ { "les", TRUE, LONG, op2(E, R), 0 }, 7694Srgrimes/*c5*/ { "lds", TRUE, LONG, op2(E, R), 0 }, 7704Srgrimes/*c6*/ { "mov", TRUE, BYTE, op2(I, E), 0 }, 7714Srgrimes/*c7*/ { "mov", TRUE, LONG, op2(I, E), 0 }, 7724Srgrimes 77321277Sbde/*c8*/ { "enter", FALSE, NONE, op2(Iw, Ib), 0 }, 7744Srgrimes/*c9*/ { "leave", FALSE, NONE, 0, 0 }, 7754Srgrimes/*ca*/ { "lret", FALSE, NONE, op1(Iw), 0 }, 7764Srgrimes/*cb*/ { "lret", FALSE, NONE, 0, 0 }, 7774Srgrimes/*cc*/ { "int", FALSE, NONE, op1(o3), 0 }, 7784Srgrimes/*cd*/ { "int", FALSE, NONE, op1(Ib), 0 }, 7794Srgrimes/*ce*/ { "into", FALSE, NONE, 0, 0 }, 7804Srgrimes/*cf*/ { "iret", FALSE, NONE, 0, 0 }, 7814Srgrimes 78217109Sbde/*d0*/ { "", TRUE, BYTE, op2(o1, E), db_Grp2 }, 78317109Sbde/*d1*/ { "", TRUE, LONG, op2(o1, E), db_Grp2 }, 78417109Sbde/*d2*/ { "", TRUE, BYTE, op2(CL, E), db_Grp2 }, 78517109Sbde/*d3*/ { "", TRUE, LONG, op2(CL, E), db_Grp2 }, 78621277Sbde/*d4*/ { "aam", FALSE, NONE, op1(Iba), 0 }, 78721277Sbde/*d5*/ { "aad", FALSE, NONE, op1(Iba), 0 }, 78821277Sbde/*d6*/ { ".byte\t0xd6", FALSE, NONE, 0, 0 }, 7894Srgrimes/*d7*/ { "xlat", FALSE, BYTE, op1(BX), 0 }, 7904Srgrimes 79117109Sbde/*d8*/ { "", TRUE, NONE, 0, db_Esc8 }, 79217109Sbde/*d9*/ { "", TRUE, NONE, 0, db_Esc9 }, 79317109Sbde/*da*/ { "", TRUE, NONE, 0, db_Esca }, 79417109Sbde/*db*/ { "", TRUE, NONE, 0, db_Escb }, 79517109Sbde/*dc*/ { "", TRUE, NONE, 0, db_Escc }, 79617109Sbde/*dd*/ { "", TRUE, NONE, 0, db_Escd }, 79717109Sbde/*de*/ { "", TRUE, NONE, 0, db_Esce }, 79817109Sbde/*df*/ { "", TRUE, NONE, 0, db_Escf }, 7994Srgrimes 8004Srgrimes/*e0*/ { "loopne",FALSE, NONE, op1(Db), 0 }, 8014Srgrimes/*e1*/ { "loope", FALSE, NONE, op1(Db), 0 }, 8024Srgrimes/*e2*/ { "loop", FALSE, NONE, op1(Db), 0 }, 8034Srgrimes/*e3*/ { "jcxz", FALSE, SDEP, op1(Db), "jecxz" }, 8044Srgrimes/*e4*/ { "in", FALSE, BYTE, op2(Ib, A), 0 }, 8054Srgrimes/*e5*/ { "in", FALSE, LONG, op2(Ib, A) , 0 }, 8064Srgrimes/*e6*/ { "out", FALSE, BYTE, op2(A, Ib), 0 }, 8074Srgrimes/*e7*/ { "out", FALSE, LONG, op2(A, Ib) , 0 }, 8084Srgrimes 8094Srgrimes/*e8*/ { "call", FALSE, NONE, op1(Dl), 0 }, 8104Srgrimes/*e9*/ { "jmp", FALSE, NONE, op1(Dl), 0 }, 8114Srgrimes/*ea*/ { "ljmp", FALSE, NONE, op1(OS), 0 }, 8124Srgrimes/*eb*/ { "jmp", FALSE, NONE, op1(Db), 0 }, 8134Srgrimes/*ec*/ { "in", FALSE, BYTE, op2(DX, A), 0 }, 8144Srgrimes/*ed*/ { "in", FALSE, LONG, op2(DX, A) , 0 }, 8154Srgrimes/*ee*/ { "out", FALSE, BYTE, op2(A, DX), 0 }, 8164Srgrimes/*ef*/ { "out", FALSE, LONG, op2(A, DX) , 0 }, 8174Srgrimes 8184Srgrimes/*f0*/ { "", FALSE, NONE, 0, 0 }, 81921277Sbde/*f1*/ { ".byte\t0xf1", FALSE, NONE, 0, 0 }, 8204Srgrimes/*f2*/ { "", FALSE, NONE, 0, 0 }, 8214Srgrimes/*f3*/ { "", FALSE, NONE, 0, 0 }, 8224Srgrimes/*f4*/ { "hlt", FALSE, NONE, 0, 0 }, 8234Srgrimes/*f5*/ { "cmc", FALSE, NONE, 0, 0 }, 82417109Sbde/*f6*/ { "", TRUE, BYTE, 0, db_Grp3 }, 82517109Sbde/*f7*/ { "", TRUE, LONG, 0, db_Grp3 }, 8264Srgrimes 8274Srgrimes/*f8*/ { "clc", FALSE, NONE, 0, 0 }, 8284Srgrimes/*f9*/ { "stc", FALSE, NONE, 0, 0 }, 8294Srgrimes/*fa*/ { "cli", FALSE, NONE, 0, 0 }, 8304Srgrimes/*fb*/ { "sti", FALSE, NONE, 0, 0 }, 8314Srgrimes/*fc*/ { "cld", FALSE, NONE, 0, 0 }, 8324Srgrimes/*fd*/ { "std", FALSE, NONE, 0, 0 }, 83317109Sbde/*fe*/ { "", TRUE, NONE, 0, db_Grp4 }, 83417109Sbde/*ff*/ { "", TRUE, NONE, 0, db_Grp5 }, 8354Srgrimes}; 8364Srgrimes 83717109Sbdestatic const struct inst db_bad_inst = 8384Srgrimes { "???", FALSE, NONE, 0, 0 } 8394Srgrimes; 8404Srgrimes 841144353Speter#define f_mod(rex, byte) ((byte)>>6) 842144353Speter#define f_reg(rex, byte) ((((byte)>>3)&0x7) | (rex & REX_R ? 0x8 : 0x0)) 843144353Speter#define f_rm(rex, byte) (((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0)) 8444Srgrimes 845144353Speter#define sib_ss(rex, byte) ((byte)>>6) 846144353Speter#define sib_index(rex, byte) ((((byte)>>3)&0x7) | (rex & REX_X ? 0x8 : 0x0)) 847144353Speter#define sib_base(rex, byte) (((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0)) 8484Srgrimes 84911940Sbdestruct i_addr { 8504Srgrimes int is_reg; /* if reg, reg number is in 'disp' */ 8514Srgrimes int disp; 85214887Swollman const char * base; 85314887Swollman const char * index; 8544Srgrimes int ss; 8554Srgrimes}; 8564Srgrimes 857144353Speterstatic const char * const db_reg[2][4][16] = { 858144353Speter 859144353Speter {{"%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", 860144353Speter "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" }, 861144353Speter { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 862144353Speter "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" }, 863144353Speter { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 864144353Speter "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" }, 865144353Speter { "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 866144353Speter "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }}, 867144353Speter 868144353Speter {{"%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", 869144353Speter "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" }, 870144353Speter { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 871144353Speter "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" }, 872144353Speter { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 873144353Speter "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" }, 874144353Speter { "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 875144353Speter "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }} 8764Srgrimes}; 8774Srgrimes 87817109Sbdestatic const char * const db_seg_reg[8] = { 8794Srgrimes "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", "" 8804Srgrimes}; 8814Srgrimes 8824Srgrimes/* 8834Srgrimes * lengths for size attributes 8844Srgrimes */ 88514887Swollmanstatic const int db_lengths[] = { 8864Srgrimes 1, /* BYTE */ 8874Srgrimes 2, /* WORD */ 8884Srgrimes 4, /* LONG */ 8894Srgrimes 8, /* QUAD */ 8904Srgrimes 4, /* SNGL */ 8914Srgrimes 8, /* DBLR */ 8924Srgrimes 10, /* EXTR */ 8934Srgrimes}; 8944Srgrimes 8954Srgrimes#define get_value_inc(result, loc, size, is_signed) \ 8964Srgrimes result = db_get_value((loc), (size), (is_signed)); \ 8974Srgrimes (loc) += (size); 8984Srgrimes 89911940Sbdestatic db_addr_t 900144353Speter db_disasm_esc(db_addr_t loc, int inst, int rex, int short_addr, 90193017Sbde int size, const char *seg); 902144353Speterstatic void db_print_address(const char *seg, int size, int rex, 90393017Sbde struct i_addr *addrp); 90411940Sbdestatic db_addr_t 905144353Speter db_read_address(db_addr_t loc, int short_addr, int rex, int regmodrm, 90693017Sbde struct i_addr *addrp); 90711940Sbde 9084Srgrimes/* 9094Srgrimes * Read address at location and return updated location. 9104Srgrimes */ 91111921Sphkstatic db_addr_t 912144353Speterdb_read_address(loc, short_addr, rex, regmodrm, addrp) 9134Srgrimes db_addr_t loc; 9144Srgrimes int short_addr; 915144353Speter int rex; 9164Srgrimes int regmodrm; 91717109Sbde struct i_addr * addrp; /* out */ 9184Srgrimes{ 919164263Sjhb int mod, rm, sib, index, disp, size, have_sib; 9204Srgrimes 921144353Speter mod = f_mod(rex, regmodrm); 922144353Speter rm = f_rm(rex, regmodrm); 9234Srgrimes 9244Srgrimes if (mod == 3) { 9254Srgrimes addrp->is_reg = TRUE; 9264Srgrimes addrp->disp = rm; 9274Srgrimes return (loc); 9284Srgrimes } 9294Srgrimes addrp->is_reg = FALSE; 9304Srgrimes addrp->index = 0; 9314Srgrimes 932164263Sjhb if (short_addr) 933164263Sjhb size = LONG; 934164263Sjhb else 935164263Sjhb size = QUAD; 9364Srgrimes 937164263Sjhb if ((rm & 0x7) == 4) { 938164263Sjhb get_value_inc(sib, loc, 1, FALSE); 939164263Sjhb rm = sib_base(rex, sib); 940164263Sjhb index = sib_index(rex, sib); 941164263Sjhb if (index != 4) 942164263Sjhb addrp->index = db_reg[1][size][index]; 943164263Sjhb addrp->ss = sib_ss(rex, sib); 944164263Sjhb have_sib = 1; 945164263Sjhb } else 946164263Sjhb have_sib = 0; 947164263Sjhb 948164263Sjhb switch (mod) { 949164263Sjhb case 0: 950164263Sjhb if (rm == 5) { 951164263Sjhb get_value_inc(addrp->disp, loc, 4, FALSE); 952164263Sjhb if (have_sib) 9534Srgrimes addrp->base = 0; 954164263Sjhb else if (short_addr) 955164263Sjhb addrp->base = "%eip"; 956164263Sjhb else 957164263Sjhb addrp->base = "%rip"; 958164263Sjhb } else { 959164263Sjhb addrp->disp = 0; 960164263Sjhb addrp->base = db_reg[1][size][rm]; 961164263Sjhb } 962164263Sjhb break; 9634Srgrimes 964164263Sjhb case 1: 965164263Sjhb get_value_inc(disp, loc, 1, TRUE); 966164263Sjhb addrp->disp = disp; 967164263Sjhb addrp->base = db_reg[1][size][rm]; 968164263Sjhb break; 9694Srgrimes 970164263Sjhb case 2: 971164263Sjhb get_value_inc(disp, loc, 4, FALSE); 972164263Sjhb addrp->disp = disp; 973164263Sjhb addrp->base = db_reg[1][size][rm]; 974164263Sjhb break; 9754Srgrimes } 9764Srgrimes return (loc); 9774Srgrimes} 9784Srgrimes 97911921Sphkstatic void 980144353Speterdb_print_address(seg, size, rex, addrp) 98117109Sbde const char * seg; 9824Srgrimes int size; 983144353Speter int rex; 98417109Sbde struct i_addr * addrp; 9854Srgrimes{ 9864Srgrimes if (addrp->is_reg) { 987144354Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][(size == LONG && (rex & REX_W)) ? QUAD : size][addrp->disp]); 9884Srgrimes return; 9894Srgrimes } 9904Srgrimes 9914Srgrimes if (seg) { 9924Srgrimes db_printf("%s:", seg); 9934Srgrimes } 9944Srgrimes 995164263Sjhb if (addrp->disp != 0 || (addrp->base == 0 && addrp->index == 0)) 996164263Sjhb db_printsym((db_addr_t)addrp->disp, DB_STGY_ANY); 9974Srgrimes if (addrp->base != 0 || addrp->index != 0) { 9984Srgrimes db_printf("("); 9994Srgrimes if (addrp->base) 10004Srgrimes db_printf("%s", addrp->base); 10014Srgrimes if (addrp->index) 10024Srgrimes db_printf(",%s,%d", addrp->index, 1<<addrp->ss); 10034Srgrimes db_printf(")"); 10044Srgrimes } 10054Srgrimes} 10064Srgrimes 10074Srgrimes/* 10084Srgrimes * Disassemble floating-point ("escape") instruction 10094Srgrimes * and return updated location. 10104Srgrimes */ 101111921Sphkstatic db_addr_t 1012144353Speterdb_disasm_esc(loc, inst, rex, short_addr, size, seg) 10134Srgrimes db_addr_t loc; 10144Srgrimes int inst; 1015144353Speter int rex; 10164Srgrimes int short_addr; 10174Srgrimes int size; 101817109Sbde const char * seg; 10194Srgrimes{ 10204Srgrimes int regmodrm; 102117109Sbde const struct finst * fp; 10224Srgrimes int mod; 10234Srgrimes struct i_addr address; 102417109Sbde const char * name; 10254Srgrimes 10264Srgrimes get_value_inc(regmodrm, loc, 1, FALSE); 1027144353Speter fp = &db_Esc_inst[inst - 0xd8][f_reg(rex, regmodrm)]; 1028144353Speter mod = f_mod(rex, regmodrm); 10294Srgrimes if (mod != 3) { 103021277Sbde if (*fp->f_name == '\0') { 103121277Sbde db_printf("<bad instruction>"); 103221277Sbde return (loc); 103321277Sbde } 10344Srgrimes /* 10354Srgrimes * Normal address modes. 10364Srgrimes */ 1037144353Speter loc = db_read_address(loc, short_addr, rex, regmodrm, &address); 103879885Skris db_printf("%s", fp->f_name); 10394Srgrimes switch(fp->f_size) { 10404Srgrimes case SNGL: 10414Srgrimes db_printf("s"); 10424Srgrimes break; 10434Srgrimes case DBLR: 10444Srgrimes db_printf("l"); 10454Srgrimes break; 10464Srgrimes case EXTR: 10474Srgrimes db_printf("t"); 10484Srgrimes break; 10494Srgrimes case WORD: 10504Srgrimes db_printf("s"); 10514Srgrimes break; 10524Srgrimes case LONG: 10534Srgrimes db_printf("l"); 10544Srgrimes break; 10554Srgrimes case QUAD: 10564Srgrimes db_printf("q"); 10574Srgrimes break; 10584Srgrimes default: 10594Srgrimes break; 10604Srgrimes } 10614Srgrimes db_printf("\t"); 1062144353Speter db_print_address(seg, BYTE, rex, &address); 10634Srgrimes } 10644Srgrimes else { 10654Srgrimes /* 10664Srgrimes * 'reg-reg' - special formats 10674Srgrimes */ 10684Srgrimes switch (fp->f_rrmode) { 10694Srgrimes case op2(ST,STI): 10704Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 1071144353Speter db_printf("%s\t%%st,%%st(%d)",name,f_rm(rex, regmodrm)); 10724Srgrimes break; 10734Srgrimes case op2(STI,ST): 10744Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 1075144353Speter db_printf("%s\t%%st(%d),%%st",name, f_rm(rex, regmodrm)); 10764Srgrimes break; 10774Srgrimes case op1(STI): 10784Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 1079144353Speter db_printf("%s\t%%st(%d)",name, f_rm(rex, regmodrm)); 10804Srgrimes break; 10814Srgrimes case op1(X): 1082144353Speter name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)]; 108321277Sbde if (*name == '\0') 108421277Sbde goto bad; 108521277Sbde db_printf("%s", name); 10864Srgrimes break; 10874Srgrimes case op1(XA): 1088144353Speter name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)]; 108921277Sbde if (*name == '\0') 109021277Sbde goto bad; 109121277Sbde db_printf("%s\t%%ax", name); 10924Srgrimes break; 10934Srgrimes default: 109421277Sbde bad: 10954Srgrimes db_printf("<bad instruction>"); 10964Srgrimes break; 10974Srgrimes } 10984Srgrimes } 10994Srgrimes 11004Srgrimes return (loc); 11014Srgrimes} 11024Srgrimes 11034Srgrimes/* 11044Srgrimes * Disassemble instruction at 'loc'. 'altfmt' specifies an 11054Srgrimes * (optional) alternate format. Return address of start of 11064Srgrimes * next instruction. 11074Srgrimes */ 11084Srgrimesdb_addr_t 11094Srgrimesdb_disasm(loc, altfmt) 11104Srgrimes db_addr_t loc; 11114Srgrimes boolean_t altfmt; 11124Srgrimes{ 11134Srgrimes int inst; 11144Srgrimes int size; 11154Srgrimes int short_addr; 111617109Sbde const char * seg; 111714887Swollman const struct inst * ip; 111814887Swollman const char * i_name; 11194Srgrimes int i_size; 11204Srgrimes int i_mode; 1121144353Speter int rex = 0; 1122798Swollman int regmodrm = 0; 11234Srgrimes boolean_t first; 11244Srgrimes int displ; 11254Srgrimes int prefix; 11264Srgrimes int imm; 11274Srgrimes int imm2; 1128164263Sjhb long imm64; 11294Srgrimes int len; 11304Srgrimes struct i_addr address; 11314Srgrimes 11324Srgrimes get_value_inc(inst, loc, 1, FALSE); 11334Srgrimes short_addr = FALSE; 11344Srgrimes size = LONG; 11354Srgrimes seg = 0; 11364Srgrimes 11374Srgrimes /* 11384Srgrimes * Get prefixes 11394Srgrimes */ 11404Srgrimes prefix = TRUE; 11414Srgrimes do { 11424Srgrimes switch (inst) { 11434Srgrimes case 0x66: /* data16 */ 11444Srgrimes size = WORD; 11454Srgrimes break; 11464Srgrimes case 0x67: 11474Srgrimes short_addr = TRUE; 11484Srgrimes break; 11494Srgrimes case 0x26: 11504Srgrimes seg = "%es"; 11514Srgrimes break; 11524Srgrimes case 0x36: 11534Srgrimes seg = "%ss"; 11544Srgrimes break; 11554Srgrimes case 0x2e: 11564Srgrimes seg = "%cs"; 11574Srgrimes break; 11584Srgrimes case 0x3e: 11594Srgrimes seg = "%ds"; 11604Srgrimes break; 11614Srgrimes case 0x64: 11624Srgrimes seg = "%fs"; 11634Srgrimes break; 11644Srgrimes case 0x65: 11654Srgrimes seg = "%gs"; 11664Srgrimes break; 11674Srgrimes case 0xf0: 11684Srgrimes db_printf("lock "); 11694Srgrimes break; 11704Srgrimes case 0xf2: 11714Srgrimes db_printf("repne "); 11724Srgrimes break; 11734Srgrimes case 0xf3: 11744Srgrimes db_printf("repe "); /* XXX repe VS rep */ 11754Srgrimes break; 11764Srgrimes default: 11774Srgrimes prefix = FALSE; 11784Srgrimes break; 11794Srgrimes } 1180144353Speter if (inst >= 0x40 && inst < 0x50) { 1181144353Speter rex = inst; 1182144353Speter prefix = TRUE; 1183144353Speter } 11844Srgrimes if (prefix) { 11854Srgrimes get_value_inc(inst, loc, 1, FALSE); 11864Srgrimes } 11874Srgrimes } while (prefix); 11884Srgrimes 11894Srgrimes if (inst >= 0xd8 && inst <= 0xdf) { 1190144353Speter loc = db_disasm_esc(loc, inst, rex, short_addr, size, seg); 11914Srgrimes db_printf("\n"); 11924Srgrimes return (loc); 11934Srgrimes } 11944Srgrimes 11954Srgrimes if (inst == 0x0f) { 11964Srgrimes get_value_inc(inst, loc, 1, FALSE); 11974Srgrimes ip = db_inst_0f[inst>>4]; 11984Srgrimes if (ip == 0) { 11994Srgrimes ip = &db_bad_inst; 12004Srgrimes } 12014Srgrimes else { 12024Srgrimes ip = &ip[inst&0xf]; 12034Srgrimes } 12044Srgrimes } 12054Srgrimes else 12064Srgrimes ip = &db_inst_table[inst]; 12074Srgrimes 12084Srgrimes if (ip->i_has_modrm) { 12094Srgrimes get_value_inc(regmodrm, loc, 1, FALSE); 1210144353Speter loc = db_read_address(loc, short_addr, rex, regmodrm, &address); 12114Srgrimes } 12124Srgrimes 12134Srgrimes i_name = ip->i_name; 12144Srgrimes i_size = ip->i_size; 12154Srgrimes i_mode = ip->i_mode; 12164Srgrimes 121717109Sbde if (ip->i_extra == db_Grp1 || ip->i_extra == db_Grp2 || 121817109Sbde ip->i_extra == db_Grp6 || ip->i_extra == db_Grp7 || 121921277Sbde ip->i_extra == db_Grp8 || ip->i_extra == db_Grp9) { 1220144353Speter i_name = ((const char * const *)ip->i_extra)[f_reg(rex, regmodrm)]; 12214Srgrimes } 122217109Sbde else if (ip->i_extra == db_Grp3) { 122317109Sbde ip = ip->i_extra; 1224144353Speter ip = &ip[f_reg(rex, regmodrm)]; 12254Srgrimes i_name = ip->i_name; 12264Srgrimes i_mode = ip->i_mode; 12274Srgrimes } 122817109Sbde else if (ip->i_extra == db_Grp4 || ip->i_extra == db_Grp5) { 122917109Sbde ip = ip->i_extra; 1230144353Speter ip = &ip[f_reg(rex, regmodrm)]; 12314Srgrimes i_name = ip->i_name; 12324Srgrimes i_mode = ip->i_mode; 12334Srgrimes i_size = ip->i_size; 12344Srgrimes } 12354Srgrimes 12364Srgrimes if (i_size == SDEP) { 12374Srgrimes if (size == WORD) 123879885Skris db_printf("%s", i_name); 12394Srgrimes else 124079885Skris db_printf("%s", (const char *)ip->i_extra); 12414Srgrimes } 12424Srgrimes else { 124379885Skris db_printf("%s", i_name); 1244144354Speter if ((inst >= 0x50 && inst <= 0x5f) || inst == 0x68 || inst == 0x6a) { 1245144354Speter i_size = NONE; 1246144354Speter db_printf("q"); 1247144354Speter } 12484Srgrimes if (i_size != NONE) { 12494Srgrimes if (i_size == BYTE) { 12504Srgrimes db_printf("b"); 12514Srgrimes size = BYTE; 12524Srgrimes } 12534Srgrimes else if (i_size == WORD) { 12544Srgrimes db_printf("w"); 12554Srgrimes size = WORD; 12564Srgrimes } 12574Srgrimes else if (size == WORD) 12584Srgrimes db_printf("w"); 1259144353Speter else { 1260144353Speter if (rex & REX_W) 1261144353Speter db_printf("q"); 1262144353Speter else 1263144353Speter db_printf("l"); 1264144353Speter } 12654Srgrimes } 12664Srgrimes } 12674Srgrimes db_printf("\t"); 12684Srgrimes for (first = TRUE; 12694Srgrimes i_mode != 0; 12704Srgrimes i_mode >>= 8, first = FALSE) 12714Srgrimes { 12724Srgrimes if (!first) 12734Srgrimes db_printf(","); 12744Srgrimes 12754Srgrimes switch (i_mode & 0xFF) { 12764Srgrimes 12774Srgrimes case E: 1278144353Speter db_print_address(seg, size, rex, &address); 12794Srgrimes break; 12804Srgrimes 12814Srgrimes case Eind: 12824Srgrimes db_printf("*"); 1283144353Speter db_print_address(seg, size, rex, &address); 12844Srgrimes break; 12854Srgrimes 128621277Sbde case El: 1287144353Speter db_print_address(seg, (rex & REX_W) ? QUAD : LONG, rex, &address); 128821277Sbde break; 128921277Sbde 1290144354Speter case EL: 1291144354Speter db_print_address(seg, LONG, 0, &address); 1292144354Speter break; 1293144354Speter 12944Srgrimes case Ew: 1295144353Speter db_print_address(seg, WORD, rex, &address); 12964Srgrimes break; 12974Srgrimes 12984Srgrimes case Eb: 1299144353Speter db_print_address(seg, BYTE, rex, &address); 13004Srgrimes break; 13014Srgrimes 13024Srgrimes case R: 1303144354Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][(size == LONG && (rex & REX_W)) ? QUAD : size][f_reg(rex, regmodrm)]); 13044Srgrimes break; 13054Srgrimes 13064Srgrimes case Rw: 1307144353Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][WORD][f_reg(rex, regmodrm)]); 13084Srgrimes break; 13094Srgrimes 13104Srgrimes case Ri: 1311144354Speter db_printf("%s", db_reg[0][QUAD][f_rm(rex, inst)]); 13124Srgrimes break; 13134Srgrimes 131421277Sbde case Ril: 1315144353Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][(rex & REX_R) ? QUAD : LONG][f_rm(rex, inst)]); 131621277Sbde break; 131721277Sbde 13184Srgrimes case S: 1319144353Speter db_printf("%s", db_seg_reg[f_reg(rex, regmodrm)]); 13204Srgrimes break; 13214Srgrimes 13224Srgrimes case Si: 1323144353Speter db_printf("%s", db_seg_reg[f_reg(rex, inst)]); 13244Srgrimes break; 13254Srgrimes 13264Srgrimes case A: 1327144353Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][size][0]); /* acc */ 13284Srgrimes break; 13294Srgrimes 13304Srgrimes case BX: 13314Srgrimes if (seg) 13324Srgrimes db_printf("%s:", seg); 13334Srgrimes db_printf("(%s)", short_addr ? "%bx" : "%ebx"); 13344Srgrimes break; 13354Srgrimes 13364Srgrimes case CL: 13374Srgrimes db_printf("%%cl"); 13384Srgrimes break; 13394Srgrimes 13404Srgrimes case DX: 13414Srgrimes db_printf("%%dx"); 13424Srgrimes break; 13434Srgrimes 13444Srgrimes case SI: 13454Srgrimes if (seg) 13464Srgrimes db_printf("%s:", seg); 1347144353Speter db_printf("(%s)", short_addr ? "%si" : "%rsi"); 13484Srgrimes break; 13494Srgrimes 13504Srgrimes case DI: 1351144353Speter db_printf("%%es:(%s)", short_addr ? "%di" : "%rdi"); 13524Srgrimes break; 13534Srgrimes 13544Srgrimes case CR: 1355144353Speter db_printf("%%cr%d", f_reg(rex, regmodrm)); 13564Srgrimes break; 13574Srgrimes 13584Srgrimes case DR: 1359144353Speter db_printf("%%dr%d", f_reg(rex, regmodrm)); 13604Srgrimes break; 13614Srgrimes 13624Srgrimes case TR: 1363144353Speter db_printf("%%tr%d", f_reg(rex, regmodrm)); 13644Srgrimes break; 13654Srgrimes 13664Srgrimes case I: 1367144354Speter len = db_lengths[size]; 136821277Sbde get_value_inc(imm, loc, len, FALSE); 136937506Sbde db_printf("$%#r", imm); 13704Srgrimes break; 13714Srgrimes 13724Srgrimes case Is: 1373144353Speter len = db_lengths[(size == LONG && (rex & REX_W)) ? QUAD : size]; 137421277Sbde get_value_inc(imm, loc, len, FALSE); 137537506Sbde db_printf("$%+#r", imm); 13764Srgrimes break; 13774Srgrimes 13784Srgrimes case Ib: 137921277Sbde get_value_inc(imm, loc, 1, FALSE); 138037506Sbde db_printf("$%#r", imm); 13814Srgrimes break; 13824Srgrimes 138321277Sbde case Iba: 138421277Sbde get_value_inc(imm, loc, 1, FALSE); 138521277Sbde if (imm != 0x0a) 138637506Sbde db_printf("$%#r", imm); 138721277Sbde break; 138821277Sbde 13894Srgrimes case Ibs: 139021277Sbde get_value_inc(imm, loc, 1, TRUE); 139121277Sbde if (size == WORD) 139221277Sbde imm &= 0xFFFF; 139337506Sbde db_printf("$%+#r", imm); 13944Srgrimes break; 13954Srgrimes 13964Srgrimes case Iw: 139721277Sbde get_value_inc(imm, loc, 2, FALSE); 139837506Sbde db_printf("$%#r", imm); 13994Srgrimes break; 14004Srgrimes 1401164263Sjhb case Ilq: 1402164263Sjhb len = db_lengths[rex & REX_W ? QUAD : LONG]; 1403164263Sjhb get_value_inc(imm64, loc, len, FALSE); 1404164263Sjhb db_printf("$%#lr", imm64); 1405164263Sjhb break; 1406164263Sjhb 14074Srgrimes case O: 140821277Sbde len = (short_addr ? 2 : 4); 140921277Sbde get_value_inc(displ, loc, len, FALSE); 14104Srgrimes if (seg) 141137506Sbde db_printf("%s:%+#r",seg, displ); 14124Srgrimes else 14134Srgrimes db_printsym((db_addr_t)displ, DB_STGY_ANY); 14144Srgrimes break; 14154Srgrimes 14164Srgrimes case Db: 14174Srgrimes get_value_inc(displ, loc, 1, TRUE); 141821277Sbde displ += loc; 141921277Sbde if (size == WORD) 142021277Sbde displ &= 0xFFFF; 142121277Sbde db_printsym((db_addr_t)displ, DB_STGY_XTRN); 14224Srgrimes break; 14234Srgrimes 14244Srgrimes case Dl: 1425144353Speter len = db_lengths[(size == LONG && (rex & REX_W)) ? QUAD : size]; 142621277Sbde get_value_inc(displ, loc, len, FALSE); 142721277Sbde displ += loc; 142821277Sbde if (size == WORD) 142921277Sbde displ &= 0xFFFF; 143021277Sbde db_printsym((db_addr_t)displ, DB_STGY_XTRN); 14314Srgrimes break; 14324Srgrimes 14334Srgrimes case o1: 14344Srgrimes db_printf("$1"); 14354Srgrimes break; 14364Srgrimes 14374Srgrimes case o3: 14384Srgrimes db_printf("$3"); 14394Srgrimes break; 14404Srgrimes 14414Srgrimes case OS: 144221277Sbde len = db_lengths[size]; 144321277Sbde get_value_inc(imm, loc, len, FALSE); /* offset */ 14444Srgrimes get_value_inc(imm2, loc, 2, FALSE); /* segment */ 144537506Sbde db_printf("$%#r,%#r", imm2, imm); 14464Srgrimes break; 14474Srgrimes } 14484Srgrimes } 14494Srgrimes db_printf("\n"); 14504Srgrimes return (loc); 14514Srgrimes} 1452