db_disasm.c revision 238166
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 238166 2012-07-06 14:25:59Z jhb $"); 29118031Sobrien 304Srgrimes/* 314Srgrimes * Instruction disassembler. 324Srgrimes */ 332056Swollman#include <sys/param.h> 34238166Sjhb#include <sys/libkern.h> 3524494Sbde 362056Swollman#include <ddb/ddb.h> 374Srgrimes#include <ddb/db_access.h> 384Srgrimes#include <ddb/db_sym.h> 394Srgrimes 404Srgrimes/* 414Srgrimes * Size attributes 424Srgrimes */ 434Srgrimes#define BYTE 0 444Srgrimes#define WORD 1 454Srgrimes#define LONG 2 464Srgrimes#define QUAD 3 474Srgrimes#define SNGL 4 484Srgrimes#define DBLR 5 494Srgrimes#define EXTR 6 504Srgrimes#define SDEP 7 51238166Sjhb#define ADEP 8 52238166Sjhb#define ESC 9 53238166Sjhb#define NONE 10 544Srgrimes 554Srgrimes/* 56144353Speter * REX prefix and bits 57144353Speter */ 58144353Speter#define REX_B 1 59144353Speter#define REX_X 2 60144353Speter#define REX_R 4 61144353Speter#define REX_W 8 62144353Speter#define REX 0x40 63144353Speter 64144353Speter/* 654Srgrimes * Addressing modes 664Srgrimes */ 674Srgrimes#define E 1 /* general effective address */ 684Srgrimes#define Eind 2 /* indirect address (jump, call) */ 694Srgrimes#define Ew 3 /* address, word size */ 704Srgrimes#define Eb 4 /* address, byte size */ 714Srgrimes#define R 5 /* register, in 'reg' field */ 724Srgrimes#define Rw 6 /* word register, in 'reg' field */ 73238166Sjhb#define Rq 39 /* quad register, in 'reg' field */ 744Srgrimes#define Ri 7 /* register in instruction */ 754Srgrimes#define S 8 /* segment reg, in 'reg' field */ 764Srgrimes#define Si 9 /* segment reg, in instruction */ 774Srgrimes#define A 10 /* accumulator */ 784Srgrimes#define BX 11 /* (bx) */ 794Srgrimes#define CL 12 /* cl, for shifts */ 804Srgrimes#define DX 13 /* dx, for IO */ 814Srgrimes#define SI 14 /* si */ 824Srgrimes#define DI 15 /* di */ 834Srgrimes#define CR 16 /* control register */ 844Srgrimes#define DR 17 /* debug register */ 854Srgrimes#define TR 18 /* test register */ 864Srgrimes#define I 19 /* immediate, unsigned */ 874Srgrimes#define Is 20 /* immediate, signed */ 884Srgrimes#define Ib 21 /* byte immediate, unsigned */ 894Srgrimes#define Ibs 22 /* byte immediate, signed */ 904Srgrimes#define Iw 23 /* word immediate, unsigned */ 91164263Sjhb#define Ilq 24 /* long/quad immediate, unsigned */ 924Srgrimes#define O 25 /* direct address */ 934Srgrimes#define Db 26 /* byte displacement from EIP */ 944Srgrimes#define Dl 27 /* long displacement from EIP */ 954Srgrimes#define o1 28 /* constant 1 */ 964Srgrimes#define o3 29 /* constant 3 */ 974Srgrimes#define OS 30 /* immediate offset/segment */ 984Srgrimes#define ST 31 /* FP stack top */ 994Srgrimes#define STI 32 /* FP stack */ 1004Srgrimes#define X 33 /* extended FP op */ 1014Srgrimes#define XA 34 /* for 'fstcw %ax' */ 102144354Speter#define El 35 /* address, long/quad size */ 10321277Sbde#define Ril 36 /* long register in instruction */ 10421277Sbde#define Iba 37 /* byte immediate, don't print if 0xa */ 105144354Speter#define EL 38 /* address, explicitly long size */ 1064Srgrimes 10711940Sbdestruct inst { 10814887Swollman const char * i_name; /* name */ 1094Srgrimes short i_has_modrm; /* has regmodrm byte */ 1104Srgrimes short i_size; /* operand size */ 1114Srgrimes int i_mode; /* addressing modes */ 11217109Sbde const void * i_extra; /* pointer to extra opcode table */ 1134Srgrimes}; 1144Srgrimes 1154Srgrimes#define op1(x) (x) 1164Srgrimes#define op2(x,y) ((x)|((y)<<8)) 1174Srgrimes#define op3(x,y,z) ((x)|((y)<<8)|((z)<<16)) 1184Srgrimes 11911940Sbdestruct finst { 12014887Swollman const char * f_name; /* name for memory instruction */ 1214Srgrimes int f_size; /* size for memory instruction */ 1224Srgrimes int f_rrmode; /* mode for rr instruction */ 12317109Sbde const void * f_rrname; /* name for rr instruction 1244Srgrimes (or pointer to table) */ 1254Srgrimes}; 1264Srgrimes 127238166Sjhbstatic const struct inst db_inst_0f388x[] = { 128238166Sjhb/*80*/ { "", TRUE, SDEP, op2(E, Rq), "invept" }, 129238166Sjhb/*81*/ { "", TRUE, SDEP, op2(E, Rq), "invvpid" }, 130238166Sjhb/*82*/ { "", FALSE, NONE, 0, 0 }, 131238166Sjhb/*83*/ { "", FALSE, NONE, 0, 0 }, 132238166Sjhb/*84*/ { "", FALSE, NONE, 0, 0 }, 133238166Sjhb/*85*/ { "", FALSE, NONE, 0, 0 }, 134238166Sjhb/*86*/ { "", FALSE, NONE, 0, 0 }, 135238166Sjhb/*87*/ { "", FALSE, NONE, 0, 0 }, 136238166Sjhb 137238166Sjhb/*88*/ { "", FALSE, NONE, 0, 0 }, 138238166Sjhb/*89*/ { "", FALSE, NONE, 0, 0 }, 139238166Sjhb/*8a*/ { "", FALSE, NONE, 0, 0 }, 140238166Sjhb/*8b*/ { "", FALSE, NONE, 0, 0 }, 141238166Sjhb/*8c*/ { "", FALSE, NONE, 0, 0 }, 142238166Sjhb/*8d*/ { "", FALSE, NONE, 0, 0 }, 143238166Sjhb/*8e*/ { "", FALSE, NONE, 0, 0 }, 144238166Sjhb/*8f*/ { "", FALSE, NONE, 0, 0 }, 145238166Sjhb}; 146238166Sjhb 147238166Sjhbstatic const struct inst * const db_inst_0f38[] = { 148238166Sjhb 0, 149238166Sjhb 0, 150238166Sjhb 0, 151238166Sjhb 0, 152238166Sjhb 0, 153238166Sjhb 0, 154238166Sjhb 0, 155238166Sjhb 0, 156238166Sjhb db_inst_0f388x, 157238166Sjhb 0, 158238166Sjhb 0, 159238166Sjhb 0, 160238166Sjhb 0, 161238166Sjhb 0, 162238166Sjhb 0, 163238166Sjhb 0 164238166Sjhb}; 165238166Sjhb 16614887Swollmanstatic const char * const db_Grp6[] = { 1674Srgrimes "sldt", 1684Srgrimes "str", 1694Srgrimes "lldt", 1704Srgrimes "ltr", 1714Srgrimes "verr", 1724Srgrimes "verw", 1734Srgrimes "", 1744Srgrimes "" 1754Srgrimes}; 1764Srgrimes 17714887Swollmanstatic const char * const db_Grp7[] = { 1784Srgrimes "sgdt", 1794Srgrimes "sidt", 1804Srgrimes "lgdt", 1814Srgrimes "lidt", 1824Srgrimes "smsw", 1834Srgrimes "", 1844Srgrimes "lmsw", 1854Srgrimes "invlpg" 1864Srgrimes}; 1874Srgrimes 18814887Swollmanstatic const char * const db_Grp8[] = { 1894Srgrimes "", 1904Srgrimes "", 1914Srgrimes "", 1924Srgrimes "", 1934Srgrimes "bt", 1944Srgrimes "bts", 1954Srgrimes "btr", 1964Srgrimes "btc" 1974Srgrimes}; 1984Srgrimes 19921277Sbdestatic const char * const db_Grp9[] = { 20021277Sbde "", 20121277Sbde "cmpxchg8b", 20221277Sbde "", 20321277Sbde "", 20421277Sbde "", 20521277Sbde "", 206238166Sjhb "vmptrld", 207238166Sjhb "vmptrst" 20821277Sbde}; 20921277Sbde 210181606Sjhbstatic const char * const db_Grp15[] = { 211181606Sjhb "fxsave", 212181606Sjhb "fxrstor", 213181606Sjhb "ldmxcsr", 214181606Sjhb "stmxcsr", 215238109Sjhb "xsave", 216238109Sjhb "xrstor", 217238109Sjhb "xsaveopt", 218181606Sjhb "clflush" 219181606Sjhb}; 220181606Sjhb 221181606Sjhbstatic const char * const db_Grp15b[] = { 222181606Sjhb "", 223181606Sjhb "", 224181606Sjhb "", 225181606Sjhb "", 226181606Sjhb "", 227181606Sjhb "lfence", 228181606Sjhb "mfence", 229181606Sjhb "sfence" 230181606Sjhb}; 231181606Sjhb 23214887Swollmanstatic const struct inst db_inst_0f0x[] = { 23317109Sbde/*00*/ { "", TRUE, NONE, op1(Ew), db_Grp6 }, 23417109Sbde/*01*/ { "", TRUE, NONE, op1(Ew), db_Grp7 }, 2354Srgrimes/*02*/ { "lar", TRUE, LONG, op2(E,R), 0 }, 2364Srgrimes/*03*/ { "lsl", TRUE, LONG, op2(E,R), 0 }, 2374Srgrimes/*04*/ { "", FALSE, NONE, 0, 0 }, 238181606Sjhb/*05*/ { "syscall",FALSE,NONE, 0, 0 }, 2394Srgrimes/*06*/ { "clts", FALSE, NONE, 0, 0 }, 240181606Sjhb/*07*/ { "sysret",FALSE, NONE, 0, 0 }, 2414Srgrimes 2424Srgrimes/*08*/ { "invd", FALSE, NONE, 0, 0 }, 2434Srgrimes/*09*/ { "wbinvd",FALSE, NONE, 0, 0 }, 2444Srgrimes/*0a*/ { "", FALSE, NONE, 0, 0 }, 2454Srgrimes/*0b*/ { "", FALSE, NONE, 0, 0 }, 2464Srgrimes/*0c*/ { "", FALSE, NONE, 0, 0 }, 2474Srgrimes/*0d*/ { "", FALSE, NONE, 0, 0 }, 2484Srgrimes/*0e*/ { "", FALSE, NONE, 0, 0 }, 2494Srgrimes/*0f*/ { "", FALSE, NONE, 0, 0 }, 2504Srgrimes}; 2514Srgrimes 25217109Sbdestatic const struct inst db_inst_0f2x[] = { 25321277Sbde/*20*/ { "mov", TRUE, LONG, op2(CR,El), 0 }, 25421277Sbde/*21*/ { "mov", TRUE, LONG, op2(DR,El), 0 }, 25521277Sbde/*22*/ { "mov", TRUE, LONG, op2(El,CR), 0 }, 25621277Sbde/*23*/ { "mov", TRUE, LONG, op2(El,DR), 0 }, 25721277Sbde/*24*/ { "mov", TRUE, LONG, op2(TR,El), 0 }, 2584Srgrimes/*25*/ { "", FALSE, NONE, 0, 0 }, 25921277Sbde/*26*/ { "mov", TRUE, LONG, op2(El,TR), 0 }, 2604Srgrimes/*27*/ { "", FALSE, NONE, 0, 0 }, 2614Srgrimes 2624Srgrimes/*28*/ { "", FALSE, NONE, 0, 0 }, 2634Srgrimes/*29*/ { "", FALSE, NONE, 0, 0 }, 2644Srgrimes/*2a*/ { "", FALSE, NONE, 0, 0 }, 2654Srgrimes/*2b*/ { "", FALSE, NONE, 0, 0 }, 2664Srgrimes/*2c*/ { "", FALSE, NONE, 0, 0 }, 2674Srgrimes/*2d*/ { "", FALSE, NONE, 0, 0 }, 2684Srgrimes/*2e*/ { "", FALSE, NONE, 0, 0 }, 2694Srgrimes/*2f*/ { "", FALSE, NONE, 0, 0 }, 2704Srgrimes}; 2714Srgrimes 27214887Swollmanstatic const struct inst db_inst_0f3x[] = { 27314887Swollman/*30*/ { "wrmsr", FALSE, NONE, 0, 0 }, 27414887Swollman/*31*/ { "rdtsc", FALSE, NONE, 0, 0 }, 27514887Swollman/*32*/ { "rdmsr", FALSE, NONE, 0, 0 }, 27614887Swollman/*33*/ { "rdpmc", FALSE, NONE, 0, 0 }, 277181606Sjhb/*34*/ { "sysenter",FALSE,NONE, 0, 0 }, 278181606Sjhb/*35*/ { "sysexit",FALSE,NONE, 0, 0 }, 27914887Swollman/*36*/ { "", FALSE, NONE, 0, 0 }, 280181606Sjhb/*37*/ { "getsec",FALSE, NONE, 0, 0 }, 28114887Swollman 282238166Sjhb/*38*/ { "", FALSE, ESC, 0, db_inst_0f38 }, 28314887Swollman/*39*/ { "", FALSE, NONE, 0, 0 }, 28414887Swollman/*3a*/ { "", FALSE, NONE, 0, 0 }, 28514887Swollman/*3b*/ { "", FALSE, NONE, 0, 0 }, 28614887Swollman/*3c*/ { "", FALSE, NONE, 0, 0 }, 28714887Swollman/*3d*/ { "", FALSE, NONE, 0, 0 }, 28814887Swollman/*3e*/ { "", FALSE, NONE, 0, 0 }, 28914887Swollman/*3f*/ { "", FALSE, NONE, 0, 0 }, 29014887Swollman}; 29114887Swollman 292144354Speterstatic const struct inst db_inst_0f4x[] = { 293144354Speter/*40*/ { "cmovo", TRUE, NONE, op2(E, R), 0 }, 294144354Speter/*41*/ { "cmovno", TRUE, NONE, op2(E, R), 0 }, 295144354Speter/*42*/ { "cmovb", TRUE, NONE, op2(E, R), 0 }, 296144354Speter/*43*/ { "cmovnb", TRUE, NONE, op2(E, R), 0 }, 297144354Speter/*44*/ { "cmovz", TRUE, NONE, op2(E, R), 0 }, 298144354Speter/*45*/ { "cmovnz", TRUE, NONE, op2(E, R), 0 }, 299144354Speter/*46*/ { "cmovbe", TRUE, NONE, op2(E, R), 0 }, 300144354Speter/*47*/ { "cmovnbe",TRUE, NONE, op2(E, R), 0 }, 301144354Speter 302144354Speter/*48*/ { "cmovs", TRUE, NONE, op2(E, R), 0 }, 303144354Speter/*49*/ { "cmovns", TRUE, NONE, op2(E, R), 0 }, 304144354Speter/*4a*/ { "cmovp", TRUE, NONE, op2(E, R), 0 }, 305144354Speter/*4b*/ { "cmovnp", TRUE, NONE, op2(E, R), 0 }, 306144354Speter/*4c*/ { "cmovl", TRUE, NONE, op2(E, R), 0 }, 307144354Speter/*4d*/ { "cmovnl", TRUE, NONE, op2(E, R), 0 }, 308144354Speter/*4e*/ { "cmovle", TRUE, NONE, op2(E, R), 0 }, 309144354Speter/*4f*/ { "cmovnle",TRUE, NONE, op2(E, R), 0 }, 310144354Speter}; 311144354Speter 312238166Sjhbstatic const struct inst db_inst_0f7x[] = { 313238166Sjhb/*70*/ { "", FALSE, NONE, 0, 0 }, 314238166Sjhb/*71*/ { "", FALSE, NONE, 0, 0 }, 315238166Sjhb/*72*/ { "", FALSE, NONE, 0, 0 }, 316238166Sjhb/*73*/ { "", FALSE, NONE, 0, 0 }, 317238166Sjhb/*74*/ { "", FALSE, NONE, 0, 0 }, 318238166Sjhb/*75*/ { "", FALSE, NONE, 0, 0 }, 319238166Sjhb/*76*/ { "", FALSE, NONE, 0, 0 }, 320238166Sjhb/*77*/ { "", FALSE, NONE, 0, 0 }, 321238166Sjhb 322238166Sjhb/*78*/ { "vmread", TRUE, NONE, op2(Rq, E), 0 }, 323238166Sjhb/*79*/ { "vmwrite",TRUE, NONE, op2(E, Rq), 0 }, 324238166Sjhb/*7a*/ { "", FALSE, NONE, 0, 0 }, 325238166Sjhb/*7b*/ { "", FALSE, NONE, 0, 0 }, 326238166Sjhb/*7c*/ { "", FALSE, NONE, 0, 0 }, 327238166Sjhb/*7d*/ { "", FALSE, NONE, 0, 0 }, 328238166Sjhb/*7e*/ { "", FALSE, NONE, 0, 0 }, 329238166Sjhb/*7f*/ { "", FALSE, NONE, 0, 0 }, 330238166Sjhb}; 331238166Sjhb 33217109Sbdestatic const struct inst db_inst_0f8x[] = { 3334Srgrimes/*80*/ { "jo", FALSE, NONE, op1(Dl), 0 }, 3344Srgrimes/*81*/ { "jno", FALSE, NONE, op1(Dl), 0 }, 3354Srgrimes/*82*/ { "jb", FALSE, NONE, op1(Dl), 0 }, 3364Srgrimes/*83*/ { "jnb", FALSE, NONE, op1(Dl), 0 }, 3374Srgrimes/*84*/ { "jz", FALSE, NONE, op1(Dl), 0 }, 3384Srgrimes/*85*/ { "jnz", FALSE, NONE, op1(Dl), 0 }, 3394Srgrimes/*86*/ { "jbe", FALSE, NONE, op1(Dl), 0 }, 3404Srgrimes/*87*/ { "jnbe", FALSE, NONE, op1(Dl), 0 }, 3414Srgrimes 3424Srgrimes/*88*/ { "js", FALSE, NONE, op1(Dl), 0 }, 3434Srgrimes/*89*/ { "jns", FALSE, NONE, op1(Dl), 0 }, 3444Srgrimes/*8a*/ { "jp", FALSE, NONE, op1(Dl), 0 }, 3454Srgrimes/*8b*/ { "jnp", FALSE, NONE, op1(Dl), 0 }, 3464Srgrimes/*8c*/ { "jl", FALSE, NONE, op1(Dl), 0 }, 3474Srgrimes/*8d*/ { "jnl", FALSE, NONE, op1(Dl), 0 }, 3484Srgrimes/*8e*/ { "jle", FALSE, NONE, op1(Dl), 0 }, 3494Srgrimes/*8f*/ { "jnle", FALSE, NONE, op1(Dl), 0 }, 3504Srgrimes}; 3514Srgrimes 35217109Sbdestatic const struct inst db_inst_0f9x[] = { 3534Srgrimes/*90*/ { "seto", TRUE, NONE, op1(Eb), 0 }, 3544Srgrimes/*91*/ { "setno", TRUE, NONE, op1(Eb), 0 }, 3554Srgrimes/*92*/ { "setb", TRUE, NONE, op1(Eb), 0 }, 3564Srgrimes/*93*/ { "setnb", TRUE, NONE, op1(Eb), 0 }, 3574Srgrimes/*94*/ { "setz", TRUE, NONE, op1(Eb), 0 }, 3584Srgrimes/*95*/ { "setnz", TRUE, NONE, op1(Eb), 0 }, 3594Srgrimes/*96*/ { "setbe", TRUE, NONE, op1(Eb), 0 }, 3604Srgrimes/*97*/ { "setnbe",TRUE, NONE, op1(Eb), 0 }, 3614Srgrimes 3624Srgrimes/*98*/ { "sets", TRUE, NONE, op1(Eb), 0 }, 3634Srgrimes/*99*/ { "setns", TRUE, NONE, op1(Eb), 0 }, 3644Srgrimes/*9a*/ { "setp", TRUE, NONE, op1(Eb), 0 }, 3654Srgrimes/*9b*/ { "setnp", TRUE, NONE, op1(Eb), 0 }, 3664Srgrimes/*9c*/ { "setl", TRUE, NONE, op1(Eb), 0 }, 3674Srgrimes/*9d*/ { "setnl", TRUE, NONE, op1(Eb), 0 }, 3684Srgrimes/*9e*/ { "setle", TRUE, NONE, op1(Eb), 0 }, 3694Srgrimes/*9f*/ { "setnle",TRUE, NONE, op1(Eb), 0 }, 3704Srgrimes}; 3714Srgrimes 37217109Sbdestatic const struct inst db_inst_0fax[] = { 3734Srgrimes/*a0*/ { "push", FALSE, NONE, op1(Si), 0 }, 3744Srgrimes/*a1*/ { "pop", FALSE, NONE, op1(Si), 0 }, 37521277Sbde/*a2*/ { "cpuid", FALSE, NONE, 0, 0 }, 37621277Sbde/*a3*/ { "bt", TRUE, LONG, op2(R,E), 0 }, 37717109Sbde/*a4*/ { "shld", TRUE, LONG, op3(Ib,R,E), 0 }, 37817109Sbde/*a5*/ { "shld", TRUE, LONG, op3(CL,R,E), 0 }, 3794Srgrimes/*a6*/ { "", FALSE, NONE, 0, 0 }, 3804Srgrimes/*a7*/ { "", FALSE, NONE, 0, 0 }, 3814Srgrimes 3824Srgrimes/*a8*/ { "push", FALSE, NONE, op1(Si), 0 }, 3834Srgrimes/*a9*/ { "pop", FALSE, NONE, op1(Si), 0 }, 38421277Sbde/*aa*/ { "rsm", FALSE, NONE, 0, 0 }, 38521277Sbde/*ab*/ { "bts", TRUE, LONG, op2(R,E), 0 }, 38617109Sbde/*ac*/ { "shrd", TRUE, LONG, op3(Ib,R,E), 0 }, 38717109Sbde/*ad*/ { "shrd", TRUE, LONG, op3(CL,R,E), 0 }, 388181606Sjhb/*ae*/ { "", TRUE, LONG, op1(E), db_Grp15 }, 389181606Sjhb/*af*/ { "imul", TRUE, LONG, op2(E,R), 0 }, 3904Srgrimes}; 3914Srgrimes 39217109Sbdestatic const struct inst db_inst_0fbx[] = { 39321277Sbde/*b0*/ { "cmpxchg",TRUE, BYTE, op2(R, E), 0 }, 39421277Sbde/*b0*/ { "cmpxchg",TRUE, LONG, op2(R, E), 0 }, 3954Srgrimes/*b2*/ { "lss", TRUE, LONG, op2(E, R), 0 }, 39621277Sbde/*b3*/ { "btr", TRUE, LONG, op2(R, E), 0 }, 3974Srgrimes/*b4*/ { "lfs", TRUE, LONG, op2(E, R), 0 }, 3984Srgrimes/*b5*/ { "lgs", TRUE, LONG, op2(E, R), 0 }, 39921277Sbde/*b6*/ { "movzb", TRUE, LONG, op2(Eb, R), 0 }, 40021277Sbde/*b7*/ { "movzw", TRUE, LONG, op2(Ew, R), 0 }, 4014Srgrimes 4024Srgrimes/*b8*/ { "", FALSE, NONE, 0, 0 }, 4034Srgrimes/*b9*/ { "", FALSE, NONE, 0, 0 }, 40417109Sbde/*ba*/ { "", TRUE, LONG, op2(Ib, E), db_Grp8 }, 4054Srgrimes/*bb*/ { "btc", TRUE, LONG, op2(R, E), 0 }, 4064Srgrimes/*bc*/ { "bsf", TRUE, LONG, op2(E, R), 0 }, 4074Srgrimes/*bd*/ { "bsr", TRUE, LONG, op2(E, R), 0 }, 40821277Sbde/*be*/ { "movsb", TRUE, LONG, op2(Eb, R), 0 }, 40921277Sbde/*bf*/ { "movsw", TRUE, LONG, op2(Ew, R), 0 }, 4104Srgrimes}; 4114Srgrimes 41217109Sbdestatic const struct inst db_inst_0fcx[] = { 4134Srgrimes/*c0*/ { "xadd", TRUE, BYTE, op2(R, E), 0 }, 4144Srgrimes/*c1*/ { "xadd", TRUE, LONG, op2(R, E), 0 }, 4154Srgrimes/*c2*/ { "", FALSE, NONE, 0, 0 }, 4164Srgrimes/*c3*/ { "", FALSE, NONE, 0, 0 }, 4174Srgrimes/*c4*/ { "", FALSE, NONE, 0, 0 }, 4184Srgrimes/*c5*/ { "", FALSE, NONE, 0, 0 }, 4194Srgrimes/*c6*/ { "", FALSE, NONE, 0, 0 }, 42021277Sbde/*c7*/ { "", TRUE, NONE, op1(E), db_Grp9 }, 42121277Sbde/*c8*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 42221277Sbde/*c9*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 42321277Sbde/*ca*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 42421277Sbde/*cb*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 42521277Sbde/*cc*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 42621277Sbde/*cd*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 42721277Sbde/*ce*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 42821277Sbde/*cf*/ { "bswap", FALSE, LONG, op1(Ril), 0 }, 4294Srgrimes}; 4304Srgrimes 43114887Swollmanstatic const struct inst * const db_inst_0f[] = { 4324Srgrimes db_inst_0f0x, 4334Srgrimes 0, 4344Srgrimes db_inst_0f2x, 43514887Swollman db_inst_0f3x, 436144354Speter db_inst_0f4x, 4374Srgrimes 0, 4384Srgrimes 0, 439238166Sjhb db_inst_0f7x, 4404Srgrimes db_inst_0f8x, 4414Srgrimes db_inst_0f9x, 4424Srgrimes db_inst_0fax, 4434Srgrimes db_inst_0fbx, 4444Srgrimes db_inst_0fcx, 4454Srgrimes 0, 44621277Sbde 0, 4474Srgrimes 0 4484Srgrimes}; 4494Srgrimes 45014887Swollmanstatic const char * const db_Esc92[] = { 4514Srgrimes "fnop", "", "", "", "", "", "", "" 4524Srgrimes}; 45314887Swollmanstatic const char * const db_Esc94[] = { 4544Srgrimes "fchs", "fabs", "", "", "ftst", "fxam", "", "" 4554Srgrimes}; 45617109Sbdestatic const char * const db_Esc95[] = { 4574Srgrimes "fld1", "fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","" 4584Srgrimes}; 45917109Sbdestatic const char * const db_Esc96[] = { 4604Srgrimes "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp", 4614Srgrimes "fincstp" 4624Srgrimes}; 46314887Swollmanstatic const char * const db_Esc97[] = { 4644Srgrimes "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos" 4654Srgrimes}; 4664Srgrimes 46721277Sbdestatic const char * const db_Esca5[] = { 4684Srgrimes "", "fucompp","", "", "", "", "", "" 4694Srgrimes}; 4704Srgrimes 47117109Sbdestatic const char * const db_Escb4[] = { 47221277Sbde "fneni","fndisi", "fnclex","fninit","fsetpm", "", "", "" 4734Srgrimes}; 4744Srgrimes 47514887Swollmanstatic const char * const db_Esce3[] = { 4764Srgrimes "", "fcompp","", "", "", "", "", "" 4774Srgrimes}; 4784Srgrimes 47917109Sbdestatic const char * const db_Escf4[] = { 4804Srgrimes "fnstsw","", "", "", "", "", "", "" 4814Srgrimes}; 4824Srgrimes 48314887Swollmanstatic const struct finst db_Esc8[] = { 4844Srgrimes/*0*/ { "fadd", SNGL, op2(STI,ST), 0 }, 4854Srgrimes/*1*/ { "fmul", SNGL, op2(STI,ST), 0 }, 4864Srgrimes/*2*/ { "fcom", SNGL, op2(STI,ST), 0 }, 4874Srgrimes/*3*/ { "fcomp", SNGL, op2(STI,ST), 0 }, 4884Srgrimes/*4*/ { "fsub", SNGL, op2(STI,ST), 0 }, 4894Srgrimes/*5*/ { "fsubr", SNGL, op2(STI,ST), 0 }, 4904Srgrimes/*6*/ { "fdiv", SNGL, op2(STI,ST), 0 }, 4914Srgrimes/*7*/ { "fdivr", SNGL, op2(STI,ST), 0 }, 4924Srgrimes}; 4934Srgrimes 49414887Swollmanstatic const struct finst db_Esc9[] = { 4954Srgrimes/*0*/ { "fld", SNGL, op1(STI), 0 }, 4964Srgrimes/*1*/ { "", NONE, op1(STI), "fxch" }, 49717109Sbde/*2*/ { "fst", SNGL, op1(X), db_Esc92 }, 49821277Sbde/*3*/ { "fstp", SNGL, 0, 0 }, 49917109Sbde/*4*/ { "fldenv", NONE, op1(X), db_Esc94 }, 50017109Sbde/*5*/ { "fldcw", NONE, op1(X), db_Esc95 }, 50117109Sbde/*6*/ { "fnstenv",NONE, op1(X), db_Esc96 }, 50217109Sbde/*7*/ { "fnstcw", NONE, op1(X), db_Esc97 }, 5034Srgrimes}; 5044Srgrimes 50514887Swollmanstatic const struct finst db_Esca[] = { 50621277Sbde/*0*/ { "fiadd", LONG, 0, 0 }, 50721277Sbde/*1*/ { "fimul", LONG, 0, 0 }, 50821277Sbde/*2*/ { "ficom", LONG, 0, 0 }, 50921277Sbde/*3*/ { "ficomp", LONG, 0, 0 }, 51021277Sbde/*4*/ { "fisub", LONG, 0, 0 }, 51121277Sbde/*5*/ { "fisubr", LONG, op1(X), db_Esca5 }, 51221277Sbde/*6*/ { "fidiv", LONG, 0, 0 }, 51321277Sbde/*7*/ { "fidivr", LONG, 0, 0 } 5144Srgrimes}; 5154Srgrimes 51614887Swollmanstatic const struct finst db_Escb[] = { 51721277Sbde/*0*/ { "fild", LONG, 0, 0 }, 5184Srgrimes/*1*/ { "", NONE, 0, 0 }, 51921277Sbde/*2*/ { "fist", LONG, 0, 0 }, 52021277Sbde/*3*/ { "fistp", LONG, 0, 0 }, 52117109Sbde/*4*/ { "", WORD, op1(X), db_Escb4 }, 5224Srgrimes/*5*/ { "fld", EXTR, 0, 0 }, 5234Srgrimes/*6*/ { "", WORD, 0, 0 }, 5244Srgrimes/*7*/ { "fstp", EXTR, 0, 0 }, 5254Srgrimes}; 5264Srgrimes 52714887Swollmanstatic const struct finst db_Escc[] = { 5284Srgrimes/*0*/ { "fadd", DBLR, op2(ST,STI), 0 }, 5294Srgrimes/*1*/ { "fmul", DBLR, op2(ST,STI), 0 }, 53021277Sbde/*2*/ { "fcom", DBLR, 0, 0 }, 53121277Sbde/*3*/ { "fcomp", DBLR, 0, 0 }, 5324Srgrimes/*4*/ { "fsub", DBLR, op2(ST,STI), "fsubr" }, 5334Srgrimes/*5*/ { "fsubr", DBLR, op2(ST,STI), "fsub" }, 5344Srgrimes/*6*/ { "fdiv", DBLR, op2(ST,STI), "fdivr" }, 5354Srgrimes/*7*/ { "fdivr", DBLR, op2(ST,STI), "fdiv" }, 5364Srgrimes}; 5374Srgrimes 53814887Swollmanstatic const struct finst db_Escd[] = { 5394Srgrimes/*0*/ { "fld", DBLR, op1(STI), "ffree" }, 5404Srgrimes/*1*/ { "", NONE, 0, 0 }, 5414Srgrimes/*2*/ { "fst", DBLR, op1(STI), 0 }, 5424Srgrimes/*3*/ { "fstp", DBLR, op1(STI), 0 }, 5434Srgrimes/*4*/ { "frstor", NONE, op1(STI), "fucom" }, 5444Srgrimes/*5*/ { "", NONE, op1(STI), "fucomp" }, 5454Srgrimes/*6*/ { "fnsave", NONE, 0, 0 }, 5464Srgrimes/*7*/ { "fnstsw", NONE, 0, 0 }, 5474Srgrimes}; 5484Srgrimes 54914887Swollmanstatic const struct finst db_Esce[] = { 55021277Sbde/*0*/ { "fiadd", WORD, op2(ST,STI), "faddp" }, 55121277Sbde/*1*/ { "fimul", WORD, op2(ST,STI), "fmulp" }, 55221277Sbde/*2*/ { "ficom", WORD, 0, 0 }, 55321277Sbde/*3*/ { "ficomp", WORD, op1(X), db_Esce3 }, 55421277Sbde/*4*/ { "fisub", WORD, op2(ST,STI), "fsubrp" }, 55521277Sbde/*5*/ { "fisubr", WORD, op2(ST,STI), "fsubp" }, 55621277Sbde/*6*/ { "fidiv", WORD, op2(ST,STI), "fdivrp" }, 55721277Sbde/*7*/ { "fidivr", WORD, op2(ST,STI), "fdivp" }, 5584Srgrimes}; 5594Srgrimes 56014887Swollmanstatic const struct finst db_Escf[] = { 56121277Sbde/*0*/ { "fild", WORD, 0, 0 }, 56221277Sbde/*1*/ { "", NONE, 0, 0 }, 56321277Sbde/*2*/ { "fist", WORD, 0, 0 }, 56421277Sbde/*3*/ { "fistp", WORD, 0, 0 }, 56517109Sbde/*4*/ { "fbld", NONE, op1(XA), db_Escf4 }, 56621277Sbde/*5*/ { "fild", QUAD, 0, 0 }, 5674Srgrimes/*6*/ { "fbstp", NONE, 0, 0 }, 56821277Sbde/*7*/ { "fistp", QUAD, 0, 0 }, 5694Srgrimes}; 5704Srgrimes 57117109Sbdestatic const struct finst * const db_Esc_inst[] = { 5724Srgrimes db_Esc8, db_Esc9, db_Esca, db_Escb, 5734Srgrimes db_Escc, db_Escd, db_Esce, db_Escf 5744Srgrimes}; 5754Srgrimes 57614887Swollmanstatic const char * const db_Grp1[] = { 5774Srgrimes "add", 5784Srgrimes "or", 5794Srgrimes "adc", 5804Srgrimes "sbb", 5814Srgrimes "and", 5824Srgrimes "sub", 5834Srgrimes "xor", 5844Srgrimes "cmp" 5854Srgrimes}; 5864Srgrimes 58714887Swollmanstatic const char * const db_Grp2[] = { 5884Srgrimes "rol", 5894Srgrimes "ror", 5904Srgrimes "rcl", 5914Srgrimes "rcr", 5924Srgrimes "shl", 5934Srgrimes "shr", 5944Srgrimes "shl", 5954Srgrimes "sar" 5964Srgrimes}; 5974Srgrimes 59814887Swollmanstatic const struct inst db_Grp3[] = { 5994Srgrimes { "test", TRUE, NONE, op2(I,E), 0 }, 6004Srgrimes { "test", TRUE, NONE, op2(I,E), 0 }, 6014Srgrimes { "not", TRUE, NONE, op1(E), 0 }, 6024Srgrimes { "neg", TRUE, NONE, op1(E), 0 }, 6034Srgrimes { "mul", TRUE, NONE, op2(E,A), 0 }, 6044Srgrimes { "imul", TRUE, NONE, op2(E,A), 0 }, 6054Srgrimes { "div", TRUE, NONE, op2(E,A), 0 }, 6064Srgrimes { "idiv", TRUE, NONE, op2(E,A), 0 }, 6074Srgrimes}; 6084Srgrimes 60917109Sbdestatic const struct inst db_Grp4[] = { 6104Srgrimes { "inc", TRUE, BYTE, op1(E), 0 }, 6114Srgrimes { "dec", TRUE, BYTE, op1(E), 0 }, 6124Srgrimes { "", TRUE, NONE, 0, 0 }, 6134Srgrimes { "", TRUE, NONE, 0, 0 }, 6144Srgrimes { "", TRUE, NONE, 0, 0 }, 6154Srgrimes { "", TRUE, NONE, 0, 0 }, 6164Srgrimes { "", TRUE, NONE, 0, 0 }, 6174Srgrimes { "", TRUE, NONE, 0, 0 } 6184Srgrimes}; 6194Srgrimes 62017109Sbdestatic const struct inst db_Grp5[] = { 6214Srgrimes { "inc", TRUE, LONG, op1(E), 0 }, 6224Srgrimes { "dec", TRUE, LONG, op1(E), 0 }, 62321277Sbde { "call", TRUE, LONG, op1(Eind),0 }, 62421277Sbde { "lcall", TRUE, LONG, op1(Eind),0 }, 62521277Sbde { "jmp", TRUE, LONG, op1(Eind),0 }, 62621277Sbde { "ljmp", TRUE, LONG, op1(Eind),0 }, 6274Srgrimes { "push", TRUE, LONG, op1(E), 0 }, 6284Srgrimes { "", TRUE, NONE, 0, 0 } 6294Srgrimes}; 6304Srgrimes 63114887Swollmanstatic const struct inst db_inst_table[256] = { 6324Srgrimes/*00*/ { "add", TRUE, BYTE, op2(R, E), 0 }, 6334Srgrimes/*01*/ { "add", TRUE, LONG, op2(R, E), 0 }, 6344Srgrimes/*02*/ { "add", TRUE, BYTE, op2(E, R), 0 }, 6354Srgrimes/*03*/ { "add", TRUE, LONG, op2(E, R), 0 }, 63621277Sbde/*04*/ { "add", FALSE, BYTE, op2(I, A), 0 }, 6374Srgrimes/*05*/ { "add", FALSE, LONG, op2(Is, A), 0 }, 6384Srgrimes/*06*/ { "push", FALSE, NONE, op1(Si), 0 }, 6394Srgrimes/*07*/ { "pop", FALSE, NONE, op1(Si), 0 }, 6404Srgrimes 6414Srgrimes/*08*/ { "or", TRUE, BYTE, op2(R, E), 0 }, 6424Srgrimes/*09*/ { "or", TRUE, LONG, op2(R, E), 0 }, 6434Srgrimes/*0a*/ { "or", TRUE, BYTE, op2(E, R), 0 }, 6444Srgrimes/*0b*/ { "or", TRUE, LONG, op2(E, R), 0 }, 6454Srgrimes/*0c*/ { "or", FALSE, BYTE, op2(I, A), 0 }, 6464Srgrimes/*0d*/ { "or", FALSE, LONG, op2(I, A), 0 }, 6474Srgrimes/*0e*/ { "push", FALSE, NONE, op1(Si), 0 }, 648238166Sjhb/*0f*/ { "", FALSE, ESC, 0, db_inst_0f }, 6494Srgrimes 6504Srgrimes/*10*/ { "adc", TRUE, BYTE, op2(R, E), 0 }, 6514Srgrimes/*11*/ { "adc", TRUE, LONG, op2(R, E), 0 }, 6524Srgrimes/*12*/ { "adc", TRUE, BYTE, op2(E, R), 0 }, 6534Srgrimes/*13*/ { "adc", TRUE, LONG, op2(E, R), 0 }, 65421277Sbde/*14*/ { "adc", FALSE, BYTE, op2(I, A), 0 }, 6554Srgrimes/*15*/ { "adc", FALSE, LONG, op2(Is, A), 0 }, 6564Srgrimes/*16*/ { "push", FALSE, NONE, op1(Si), 0 }, 6574Srgrimes/*17*/ { "pop", FALSE, NONE, op1(Si), 0 }, 6584Srgrimes 6594Srgrimes/*18*/ { "sbb", TRUE, BYTE, op2(R, E), 0 }, 6604Srgrimes/*19*/ { "sbb", TRUE, LONG, op2(R, E), 0 }, 6614Srgrimes/*1a*/ { "sbb", TRUE, BYTE, op2(E, R), 0 }, 6624Srgrimes/*1b*/ { "sbb", TRUE, LONG, op2(E, R), 0 }, 66321277Sbde/*1c*/ { "sbb", FALSE, BYTE, op2(I, A), 0 }, 6644Srgrimes/*1d*/ { "sbb", FALSE, LONG, op2(Is, A), 0 }, 6654Srgrimes/*1e*/ { "push", FALSE, NONE, op1(Si), 0 }, 6664Srgrimes/*1f*/ { "pop", FALSE, NONE, op1(Si), 0 }, 6674Srgrimes 6684Srgrimes/*20*/ { "and", TRUE, BYTE, op2(R, E), 0 }, 6694Srgrimes/*21*/ { "and", TRUE, LONG, op2(R, E), 0 }, 6704Srgrimes/*22*/ { "and", TRUE, BYTE, op2(E, R), 0 }, 6714Srgrimes/*23*/ { "and", TRUE, LONG, op2(E, R), 0 }, 6724Srgrimes/*24*/ { "and", FALSE, BYTE, op2(I, A), 0 }, 6734Srgrimes/*25*/ { "and", FALSE, LONG, op2(I, A), 0 }, 6744Srgrimes/*26*/ { "", FALSE, NONE, 0, 0 }, 67521277Sbde/*27*/ { "daa", FALSE, NONE, 0, 0 }, 6764Srgrimes 6774Srgrimes/*28*/ { "sub", TRUE, BYTE, op2(R, E), 0 }, 6784Srgrimes/*29*/ { "sub", TRUE, LONG, op2(R, E), 0 }, 6794Srgrimes/*2a*/ { "sub", TRUE, BYTE, op2(E, R), 0 }, 6804Srgrimes/*2b*/ { "sub", TRUE, LONG, op2(E, R), 0 }, 68121277Sbde/*2c*/ { "sub", FALSE, BYTE, op2(I, A), 0 }, 6824Srgrimes/*2d*/ { "sub", FALSE, LONG, op2(Is, A), 0 }, 6834Srgrimes/*2e*/ { "", FALSE, NONE, 0, 0 }, 6844Srgrimes/*2f*/ { "das", FALSE, NONE, 0, 0 }, 6854Srgrimes 6864Srgrimes/*30*/ { "xor", TRUE, BYTE, op2(R, E), 0 }, 6874Srgrimes/*31*/ { "xor", TRUE, LONG, op2(R, E), 0 }, 6884Srgrimes/*32*/ { "xor", TRUE, BYTE, op2(E, R), 0 }, 6894Srgrimes/*33*/ { "xor", TRUE, LONG, op2(E, R), 0 }, 6904Srgrimes/*34*/ { "xor", FALSE, BYTE, op2(I, A), 0 }, 6914Srgrimes/*35*/ { "xor", FALSE, LONG, op2(I, A), 0 }, 6924Srgrimes/*36*/ { "", FALSE, NONE, 0, 0 }, 69321277Sbde/*37*/ { "aaa", FALSE, NONE, 0, 0 }, 6944Srgrimes 6954Srgrimes/*38*/ { "cmp", TRUE, BYTE, op2(R, E), 0 }, 6964Srgrimes/*39*/ { "cmp", TRUE, LONG, op2(R, E), 0 }, 6974Srgrimes/*3a*/ { "cmp", TRUE, BYTE, op2(E, R), 0 }, 6984Srgrimes/*3b*/ { "cmp", TRUE, LONG, op2(E, R), 0 }, 69921277Sbde/*3c*/ { "cmp", FALSE, BYTE, op2(I, A), 0 }, 7004Srgrimes/*3d*/ { "cmp", FALSE, LONG, op2(Is, A), 0 }, 7014Srgrimes/*3e*/ { "", FALSE, NONE, 0, 0 }, 7024Srgrimes/*3f*/ { "aas", FALSE, NONE, 0, 0 }, 7034Srgrimes 704144353Speter/*40*/ { "rex", FALSE, NONE, 0, 0 }, 705144353Speter/*41*/ { "rex.b", FALSE, NONE, 0, 0 }, 706144353Speter/*42*/ { "rex.x", FALSE, NONE, 0, 0 }, 707144353Speter/*43*/ { "rex.xb", FALSE, NONE, 0, 0 }, 708144353Speter/*44*/ { "rex.r", FALSE, NONE, 0, 0 }, 709144353Speter/*45*/ { "rex.rb", FALSE, NONE, 0, 0 }, 710144353Speter/*46*/ { "rex.rx", FALSE, NONE, 0, 0 }, 711144353Speter/*47*/ { "rex.rxb", FALSE, NONE, 0, 0 }, 7124Srgrimes 713144353Speter/*48*/ { "rex.w", FALSE, NONE, 0, 0 }, 714144353Speter/*49*/ { "rex.wb", FALSE, NONE, 0, 0 }, 715144353Speter/*4a*/ { "rex.wx", FALSE, NONE, 0, 0 }, 716144353Speter/*4b*/ { "rex.wxb", FALSE, NONE, 0, 0 }, 717144353Speter/*4c*/ { "rex.wr", FALSE, NONE, 0, 0 }, 718144353Speter/*4d*/ { "rex.wrb", FALSE, NONE, 0, 0 }, 719144353Speter/*4e*/ { "rex.wrx", FALSE, NONE, 0, 0 }, 720144353Speter/*4f*/ { "rex.wrxb", FALSE, NONE, 0, 0 }, 7214Srgrimes 7224Srgrimes/*50*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7234Srgrimes/*51*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7244Srgrimes/*52*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7254Srgrimes/*53*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7264Srgrimes/*54*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7274Srgrimes/*55*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7284Srgrimes/*56*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7294Srgrimes/*57*/ { "push", FALSE, LONG, op1(Ri), 0 }, 7304Srgrimes 7314Srgrimes/*58*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7324Srgrimes/*59*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7334Srgrimes/*5a*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7344Srgrimes/*5b*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7354Srgrimes/*5c*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7364Srgrimes/*5d*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7374Srgrimes/*5e*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7384Srgrimes/*5f*/ { "pop", FALSE, LONG, op1(Ri), 0 }, 7394Srgrimes 7404Srgrimes/*60*/ { "pusha", FALSE, LONG, 0, 0 }, 7414Srgrimes/*61*/ { "popa", FALSE, LONG, 0, 0 }, 7424Srgrimes/*62*/ { "bound", TRUE, LONG, op2(E, R), 0 }, 743144354Speter/*63*/ { "movslq", TRUE, NONE, op2(EL,R), 0 }, 7444Srgrimes 7454Srgrimes/*64*/ { "", FALSE, NONE, 0, 0 }, 7464Srgrimes/*65*/ { "", FALSE, NONE, 0, 0 }, 7474Srgrimes/*66*/ { "", FALSE, NONE, 0, 0 }, 7484Srgrimes/*67*/ { "", FALSE, NONE, 0, 0 }, 7494Srgrimes 7504Srgrimes/*68*/ { "push", FALSE, LONG, op1(I), 0 }, 7514Srgrimes/*69*/ { "imul", TRUE, LONG, op3(I,E,R), 0 }, 75221277Sbde/*6a*/ { "push", FALSE, LONG, op1(Ibs), 0 }, 7534Srgrimes/*6b*/ { "imul", TRUE, LONG, op3(Ibs,E,R),0 }, 7544Srgrimes/*6c*/ { "ins", FALSE, BYTE, op2(DX, DI), 0 }, 7554Srgrimes/*6d*/ { "ins", FALSE, LONG, op2(DX, DI), 0 }, 7564Srgrimes/*6e*/ { "outs", FALSE, BYTE, op2(SI, DX), 0 }, 7574Srgrimes/*6f*/ { "outs", FALSE, LONG, op2(SI, DX), 0 }, 7584Srgrimes 7594Srgrimes/*70*/ { "jo", FALSE, NONE, op1(Db), 0 }, 7604Srgrimes/*71*/ { "jno", FALSE, NONE, op1(Db), 0 }, 7614Srgrimes/*72*/ { "jb", FALSE, NONE, op1(Db), 0 }, 7624Srgrimes/*73*/ { "jnb", FALSE, NONE, op1(Db), 0 }, 7634Srgrimes/*74*/ { "jz", FALSE, NONE, op1(Db), 0 }, 7644Srgrimes/*75*/ { "jnz", FALSE, NONE, op1(Db), 0 }, 7654Srgrimes/*76*/ { "jbe", FALSE, NONE, op1(Db), 0 }, 7664Srgrimes/*77*/ { "jnbe", FALSE, NONE, op1(Db), 0 }, 7674Srgrimes 7684Srgrimes/*78*/ { "js", FALSE, NONE, op1(Db), 0 }, 7694Srgrimes/*79*/ { "jns", FALSE, NONE, op1(Db), 0 }, 7704Srgrimes/*7a*/ { "jp", FALSE, NONE, op1(Db), 0 }, 7714Srgrimes/*7b*/ { "jnp", FALSE, NONE, op1(Db), 0 }, 7724Srgrimes/*7c*/ { "jl", FALSE, NONE, op1(Db), 0 }, 7734Srgrimes/*7d*/ { "jnl", FALSE, NONE, op1(Db), 0 }, 7744Srgrimes/*7e*/ { "jle", FALSE, NONE, op1(Db), 0 }, 7754Srgrimes/*7f*/ { "jnle", FALSE, NONE, op1(Db), 0 }, 7764Srgrimes 77717109Sbde/*80*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 }, 77817109Sbde/*81*/ { "", TRUE, LONG, op2(I, E), db_Grp1 }, 77921277Sbde/*82*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 }, 78017109Sbde/*83*/ { "", TRUE, LONG, op2(Ibs,E), db_Grp1 }, 7814Srgrimes/*84*/ { "test", TRUE, BYTE, op2(R, E), 0 }, 7824Srgrimes/*85*/ { "test", TRUE, LONG, op2(R, E), 0 }, 7834Srgrimes/*86*/ { "xchg", TRUE, BYTE, op2(R, E), 0 }, 7844Srgrimes/*87*/ { "xchg", TRUE, LONG, op2(R, E), 0 }, 7854Srgrimes 7864Srgrimes/*88*/ { "mov", TRUE, BYTE, op2(R, E), 0 }, 7874Srgrimes/*89*/ { "mov", TRUE, LONG, op2(R, E), 0 }, 7884Srgrimes/*8a*/ { "mov", TRUE, BYTE, op2(E, R), 0 }, 7894Srgrimes/*8b*/ { "mov", TRUE, LONG, op2(E, R), 0 }, 7904Srgrimes/*8c*/ { "mov", TRUE, NONE, op2(S, Ew), 0 }, 7914Srgrimes/*8d*/ { "lea", TRUE, LONG, op2(E, R), 0 }, 7924Srgrimes/*8e*/ { "mov", TRUE, NONE, op2(Ew, S), 0 }, 7934Srgrimes/*8f*/ { "pop", TRUE, LONG, op1(E), 0 }, 7944Srgrimes 7954Srgrimes/*90*/ { "nop", FALSE, NONE, 0, 0 }, 7964Srgrimes/*91*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7974Srgrimes/*92*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7984Srgrimes/*93*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 7994Srgrimes/*94*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 8004Srgrimes/*95*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 8014Srgrimes/*96*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 8024Srgrimes/*97*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 }, 8034Srgrimes 804238166Sjhb/*98*/ { "cwde", FALSE, SDEP, 0, "cbw" }, 805238166Sjhb/*99*/ { "cdq", FALSE, SDEP, 0, "cwd" }, 8064Srgrimes/*9a*/ { "lcall", FALSE, NONE, op1(OS), 0 }, 8074Srgrimes/*9b*/ { "wait", FALSE, NONE, 0, 0 }, 8084Srgrimes/*9c*/ { "pushf", FALSE, LONG, 0, 0 }, 8094Srgrimes/*9d*/ { "popf", FALSE, LONG, 0, 0 }, 8104Srgrimes/*9e*/ { "sahf", FALSE, NONE, 0, 0 }, 8114Srgrimes/*9f*/ { "lahf", FALSE, NONE, 0, 0 }, 8124Srgrimes 8134Srgrimes/*a0*/ { "mov", FALSE, BYTE, op2(O, A), 0 }, 8144Srgrimes/*a1*/ { "mov", FALSE, LONG, op2(O, A), 0 }, 8154Srgrimes/*a2*/ { "mov", FALSE, BYTE, op2(A, O), 0 }, 8164Srgrimes/*a3*/ { "mov", FALSE, LONG, op2(A, O), 0 }, 8174Srgrimes/*a4*/ { "movs", FALSE, BYTE, op2(SI,DI), 0 }, 8184Srgrimes/*a5*/ { "movs", FALSE, LONG, op2(SI,DI), 0 }, 8194Srgrimes/*a6*/ { "cmps", FALSE, BYTE, op2(SI,DI), 0 }, 8204Srgrimes/*a7*/ { "cmps", FALSE, LONG, op2(SI,DI), 0 }, 8214Srgrimes 8224Srgrimes/*a8*/ { "test", FALSE, BYTE, op2(I, A), 0 }, 8234Srgrimes/*a9*/ { "test", FALSE, LONG, op2(I, A), 0 }, 8244Srgrimes/*aa*/ { "stos", FALSE, BYTE, op1(DI), 0 }, 8254Srgrimes/*ab*/ { "stos", FALSE, LONG, op1(DI), 0 }, 826118Srgrimes/*ac*/ { "lods", FALSE, BYTE, op1(SI), 0 }, 827118Srgrimes/*ad*/ { "lods", FALSE, LONG, op1(SI), 0 }, 8284Srgrimes/*ae*/ { "scas", FALSE, BYTE, op1(SI), 0 }, 8294Srgrimes/*af*/ { "scas", FALSE, LONG, op1(SI), 0 }, 8304Srgrimes 8314Srgrimes/*b0*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8324Srgrimes/*b1*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8334Srgrimes/*b2*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8344Srgrimes/*b3*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8354Srgrimes/*b4*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8364Srgrimes/*b5*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8374Srgrimes/*b6*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8384Srgrimes/*b7*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 }, 8394Srgrimes 840164263Sjhb/*b8*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 841164263Sjhb/*b9*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 842164263Sjhb/*ba*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 843164263Sjhb/*bb*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 844164263Sjhb/*bc*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 845164263Sjhb/*bd*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 846164263Sjhb/*be*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 847164263Sjhb/*bf*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 }, 8484Srgrimes 84917109Sbde/*c0*/ { "", TRUE, BYTE, op2(Ib, E), db_Grp2 }, 85017109Sbde/*c1*/ { "", TRUE, LONG, op2(Ib, E), db_Grp2 }, 8514Srgrimes/*c2*/ { "ret", FALSE, NONE, op1(Iw), 0 }, 8524Srgrimes/*c3*/ { "ret", FALSE, NONE, 0, 0 }, 8534Srgrimes/*c4*/ { "les", TRUE, LONG, op2(E, R), 0 }, 8544Srgrimes/*c5*/ { "lds", TRUE, LONG, op2(E, R), 0 }, 8554Srgrimes/*c6*/ { "mov", TRUE, BYTE, op2(I, E), 0 }, 8564Srgrimes/*c7*/ { "mov", TRUE, LONG, op2(I, E), 0 }, 8574Srgrimes 85821277Sbde/*c8*/ { "enter", FALSE, NONE, op2(Iw, Ib), 0 }, 8594Srgrimes/*c9*/ { "leave", FALSE, NONE, 0, 0 }, 8604Srgrimes/*ca*/ { "lret", FALSE, NONE, op1(Iw), 0 }, 8614Srgrimes/*cb*/ { "lret", FALSE, NONE, 0, 0 }, 8624Srgrimes/*cc*/ { "int", FALSE, NONE, op1(o3), 0 }, 8634Srgrimes/*cd*/ { "int", FALSE, NONE, op1(Ib), 0 }, 8644Srgrimes/*ce*/ { "into", FALSE, NONE, 0, 0 }, 8654Srgrimes/*cf*/ { "iret", FALSE, NONE, 0, 0 }, 8664Srgrimes 86717109Sbde/*d0*/ { "", TRUE, BYTE, op2(o1, E), db_Grp2 }, 86817109Sbde/*d1*/ { "", TRUE, LONG, op2(o1, E), db_Grp2 }, 86917109Sbde/*d2*/ { "", TRUE, BYTE, op2(CL, E), db_Grp2 }, 87017109Sbde/*d3*/ { "", TRUE, LONG, op2(CL, E), db_Grp2 }, 87121277Sbde/*d4*/ { "aam", FALSE, NONE, op1(Iba), 0 }, 87221277Sbde/*d5*/ { "aad", FALSE, NONE, op1(Iba), 0 }, 87321277Sbde/*d6*/ { ".byte\t0xd6", FALSE, NONE, 0, 0 }, 8744Srgrimes/*d7*/ { "xlat", FALSE, BYTE, op1(BX), 0 }, 8754Srgrimes 87617109Sbde/*d8*/ { "", TRUE, NONE, 0, db_Esc8 }, 87717109Sbde/*d9*/ { "", TRUE, NONE, 0, db_Esc9 }, 87817109Sbde/*da*/ { "", TRUE, NONE, 0, db_Esca }, 87917109Sbde/*db*/ { "", TRUE, NONE, 0, db_Escb }, 88017109Sbde/*dc*/ { "", TRUE, NONE, 0, db_Escc }, 88117109Sbde/*dd*/ { "", TRUE, NONE, 0, db_Escd }, 88217109Sbde/*de*/ { "", TRUE, NONE, 0, db_Esce }, 88317109Sbde/*df*/ { "", TRUE, NONE, 0, db_Escf }, 8844Srgrimes 8854Srgrimes/*e0*/ { "loopne",FALSE, NONE, op1(Db), 0 }, 8864Srgrimes/*e1*/ { "loope", FALSE, NONE, op1(Db), 0 }, 8874Srgrimes/*e2*/ { "loop", FALSE, NONE, op1(Db), 0 }, 888238166Sjhb/*e3*/ { "jrcxz", FALSE, ADEP, op1(Db), "jecxz" }, 8894Srgrimes/*e4*/ { "in", FALSE, BYTE, op2(Ib, A), 0 }, 8904Srgrimes/*e5*/ { "in", FALSE, LONG, op2(Ib, A) , 0 }, 8914Srgrimes/*e6*/ { "out", FALSE, BYTE, op2(A, Ib), 0 }, 8924Srgrimes/*e7*/ { "out", FALSE, LONG, op2(A, Ib) , 0 }, 8934Srgrimes 8944Srgrimes/*e8*/ { "call", FALSE, NONE, op1(Dl), 0 }, 8954Srgrimes/*e9*/ { "jmp", FALSE, NONE, op1(Dl), 0 }, 8964Srgrimes/*ea*/ { "ljmp", FALSE, NONE, op1(OS), 0 }, 8974Srgrimes/*eb*/ { "jmp", FALSE, NONE, op1(Db), 0 }, 8984Srgrimes/*ec*/ { "in", FALSE, BYTE, op2(DX, A), 0 }, 8994Srgrimes/*ed*/ { "in", FALSE, LONG, op2(DX, A) , 0 }, 9004Srgrimes/*ee*/ { "out", FALSE, BYTE, op2(A, DX), 0 }, 9014Srgrimes/*ef*/ { "out", FALSE, LONG, op2(A, DX) , 0 }, 9024Srgrimes 9034Srgrimes/*f0*/ { "", FALSE, NONE, 0, 0 }, 90421277Sbde/*f1*/ { ".byte\t0xf1", FALSE, NONE, 0, 0 }, 9054Srgrimes/*f2*/ { "", FALSE, NONE, 0, 0 }, 9064Srgrimes/*f3*/ { "", FALSE, NONE, 0, 0 }, 9074Srgrimes/*f4*/ { "hlt", FALSE, NONE, 0, 0 }, 9084Srgrimes/*f5*/ { "cmc", FALSE, NONE, 0, 0 }, 90917109Sbde/*f6*/ { "", TRUE, BYTE, 0, db_Grp3 }, 91017109Sbde/*f7*/ { "", TRUE, LONG, 0, db_Grp3 }, 9114Srgrimes 9124Srgrimes/*f8*/ { "clc", FALSE, NONE, 0, 0 }, 9134Srgrimes/*f9*/ { "stc", FALSE, NONE, 0, 0 }, 9144Srgrimes/*fa*/ { "cli", FALSE, NONE, 0, 0 }, 9154Srgrimes/*fb*/ { "sti", FALSE, NONE, 0, 0 }, 9164Srgrimes/*fc*/ { "cld", FALSE, NONE, 0, 0 }, 9174Srgrimes/*fd*/ { "std", FALSE, NONE, 0, 0 }, 91817109Sbde/*fe*/ { "", TRUE, NONE, 0, db_Grp4 }, 91917109Sbde/*ff*/ { "", TRUE, NONE, 0, db_Grp5 }, 9204Srgrimes}; 9214Srgrimes 92217109Sbdestatic const struct inst db_bad_inst = 9234Srgrimes { "???", FALSE, NONE, 0, 0 } 9244Srgrimes; 9254Srgrimes 926144353Speter#define f_mod(rex, byte) ((byte)>>6) 927144353Speter#define f_reg(rex, byte) ((((byte)>>3)&0x7) | (rex & REX_R ? 0x8 : 0x0)) 928144353Speter#define f_rm(rex, byte) (((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0)) 9294Srgrimes 930144353Speter#define sib_ss(rex, byte) ((byte)>>6) 931144353Speter#define sib_index(rex, byte) ((((byte)>>3)&0x7) | (rex & REX_X ? 0x8 : 0x0)) 932144353Speter#define sib_base(rex, byte) (((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0)) 9334Srgrimes 93411940Sbdestruct i_addr { 9354Srgrimes int is_reg; /* if reg, reg number is in 'disp' */ 9364Srgrimes int disp; 93714887Swollman const char * base; 93814887Swollman const char * index; 9394Srgrimes int ss; 9404Srgrimes}; 9414Srgrimes 942144353Speterstatic const char * const db_reg[2][4][16] = { 943144353Speter 944144353Speter {{"%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", 945144353Speter "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" }, 946144353Speter { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 947144353Speter "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" }, 948144353Speter { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 949144353Speter "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" }, 950144353Speter { "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 951144353Speter "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }}, 952144353Speter 953144353Speter {{"%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", 954144353Speter "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" }, 955144353Speter { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 956144353Speter "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" }, 957144353Speter { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 958144353Speter "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" }, 959144353Speter { "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 960144353Speter "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }} 9614Srgrimes}; 9624Srgrimes 96317109Sbdestatic const char * const db_seg_reg[8] = { 9644Srgrimes "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", "" 9654Srgrimes}; 9664Srgrimes 9674Srgrimes/* 9684Srgrimes * lengths for size attributes 9694Srgrimes */ 97014887Swollmanstatic const int db_lengths[] = { 9714Srgrimes 1, /* BYTE */ 9724Srgrimes 2, /* WORD */ 9734Srgrimes 4, /* LONG */ 9744Srgrimes 8, /* QUAD */ 9754Srgrimes 4, /* SNGL */ 9764Srgrimes 8, /* DBLR */ 9774Srgrimes 10, /* EXTR */ 9784Srgrimes}; 9794Srgrimes 9804Srgrimes#define get_value_inc(result, loc, size, is_signed) \ 9814Srgrimes result = db_get_value((loc), (size), (is_signed)); \ 9824Srgrimes (loc) += (size); 9834Srgrimes 98411940Sbdestatic db_addr_t 985144353Speter db_disasm_esc(db_addr_t loc, int inst, int rex, int short_addr, 98693017Sbde int size, const char *seg); 987144353Speterstatic void db_print_address(const char *seg, int size, int rex, 98893017Sbde struct i_addr *addrp); 98911940Sbdestatic db_addr_t 990144353Speter db_read_address(db_addr_t loc, int short_addr, int rex, int regmodrm, 99193017Sbde struct i_addr *addrp); 99211940Sbde 9934Srgrimes/* 9944Srgrimes * Read address at location and return updated location. 9954Srgrimes */ 99611921Sphkstatic db_addr_t 997144353Speterdb_read_address(loc, short_addr, rex, regmodrm, addrp) 9984Srgrimes db_addr_t loc; 9994Srgrimes int short_addr; 1000144353Speter int rex; 10014Srgrimes int regmodrm; 100217109Sbde struct i_addr * addrp; /* out */ 10034Srgrimes{ 1004164263Sjhb int mod, rm, sib, index, disp, size, have_sib; 10054Srgrimes 1006144353Speter mod = f_mod(rex, regmodrm); 1007144353Speter rm = f_rm(rex, regmodrm); 10084Srgrimes 10094Srgrimes if (mod == 3) { 10104Srgrimes addrp->is_reg = TRUE; 10114Srgrimes addrp->disp = rm; 10124Srgrimes return (loc); 10134Srgrimes } 10144Srgrimes addrp->is_reg = FALSE; 10154Srgrimes addrp->index = 0; 10164Srgrimes 1017164263Sjhb if (short_addr) 1018164263Sjhb size = LONG; 1019164263Sjhb else 1020164263Sjhb size = QUAD; 10214Srgrimes 1022164263Sjhb if ((rm & 0x7) == 4) { 1023164263Sjhb get_value_inc(sib, loc, 1, FALSE); 1024164263Sjhb rm = sib_base(rex, sib); 1025164263Sjhb index = sib_index(rex, sib); 1026164263Sjhb if (index != 4) 1027164263Sjhb addrp->index = db_reg[1][size][index]; 1028164263Sjhb addrp->ss = sib_ss(rex, sib); 1029164263Sjhb have_sib = 1; 1030164263Sjhb } else 1031164263Sjhb have_sib = 0; 1032164263Sjhb 1033164263Sjhb switch (mod) { 1034164263Sjhb case 0: 1035164263Sjhb if (rm == 5) { 1036164263Sjhb get_value_inc(addrp->disp, loc, 4, FALSE); 1037164263Sjhb if (have_sib) 10384Srgrimes addrp->base = 0; 1039164263Sjhb else if (short_addr) 1040164263Sjhb addrp->base = "%eip"; 1041164263Sjhb else 1042164263Sjhb addrp->base = "%rip"; 1043164263Sjhb } else { 1044164263Sjhb addrp->disp = 0; 1045164263Sjhb addrp->base = db_reg[1][size][rm]; 1046164263Sjhb } 1047164263Sjhb break; 10484Srgrimes 1049164263Sjhb case 1: 1050164263Sjhb get_value_inc(disp, loc, 1, TRUE); 1051164263Sjhb addrp->disp = disp; 1052164263Sjhb addrp->base = db_reg[1][size][rm]; 1053164263Sjhb break; 10544Srgrimes 1055164263Sjhb case 2: 1056164263Sjhb get_value_inc(disp, loc, 4, FALSE); 1057164263Sjhb addrp->disp = disp; 1058164263Sjhb addrp->base = db_reg[1][size][rm]; 1059164263Sjhb break; 10604Srgrimes } 10614Srgrimes return (loc); 10624Srgrimes} 10634Srgrimes 106411921Sphkstatic void 1065144353Speterdb_print_address(seg, size, rex, addrp) 106617109Sbde const char * seg; 10674Srgrimes int size; 1068144353Speter int rex; 106917109Sbde struct i_addr * addrp; 10704Srgrimes{ 10714Srgrimes if (addrp->is_reg) { 1072144354Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][(size == LONG && (rex & REX_W)) ? QUAD : size][addrp->disp]); 10734Srgrimes return; 10744Srgrimes } 10754Srgrimes 10764Srgrimes if (seg) { 10774Srgrimes db_printf("%s:", seg); 10784Srgrimes } 10794Srgrimes 1080164263Sjhb if (addrp->disp != 0 || (addrp->base == 0 && addrp->index == 0)) 1081164263Sjhb db_printsym((db_addr_t)addrp->disp, DB_STGY_ANY); 10824Srgrimes if (addrp->base != 0 || addrp->index != 0) { 10834Srgrimes db_printf("("); 10844Srgrimes if (addrp->base) 10854Srgrimes db_printf("%s", addrp->base); 10864Srgrimes if (addrp->index) 10874Srgrimes db_printf(",%s,%d", addrp->index, 1<<addrp->ss); 10884Srgrimes db_printf(")"); 10894Srgrimes } 10904Srgrimes} 10914Srgrimes 10924Srgrimes/* 10934Srgrimes * Disassemble floating-point ("escape") instruction 10944Srgrimes * and return updated location. 10954Srgrimes */ 109611921Sphkstatic db_addr_t 1097144353Speterdb_disasm_esc(loc, inst, rex, short_addr, size, seg) 10984Srgrimes db_addr_t loc; 10994Srgrimes int inst; 1100144353Speter int rex; 11014Srgrimes int short_addr; 11024Srgrimes int size; 110317109Sbde const char * seg; 11044Srgrimes{ 11054Srgrimes int regmodrm; 110617109Sbde const struct finst * fp; 11074Srgrimes int mod; 11084Srgrimes struct i_addr address; 110917109Sbde const char * name; 11104Srgrimes 11114Srgrimes get_value_inc(regmodrm, loc, 1, FALSE); 1112144353Speter fp = &db_Esc_inst[inst - 0xd8][f_reg(rex, regmodrm)]; 1113144353Speter mod = f_mod(rex, regmodrm); 11144Srgrimes if (mod != 3) { 111521277Sbde if (*fp->f_name == '\0') { 111621277Sbde db_printf("<bad instruction>"); 111721277Sbde return (loc); 111821277Sbde } 11194Srgrimes /* 11204Srgrimes * Normal address modes. 11214Srgrimes */ 1122144353Speter loc = db_read_address(loc, short_addr, rex, regmodrm, &address); 112379885Skris db_printf("%s", fp->f_name); 11244Srgrimes switch(fp->f_size) { 11254Srgrimes case SNGL: 11264Srgrimes db_printf("s"); 11274Srgrimes break; 11284Srgrimes case DBLR: 11294Srgrimes db_printf("l"); 11304Srgrimes break; 11314Srgrimes case EXTR: 11324Srgrimes db_printf("t"); 11334Srgrimes break; 11344Srgrimes case WORD: 11354Srgrimes db_printf("s"); 11364Srgrimes break; 11374Srgrimes case LONG: 11384Srgrimes db_printf("l"); 11394Srgrimes break; 11404Srgrimes case QUAD: 11414Srgrimes db_printf("q"); 11424Srgrimes break; 11434Srgrimes default: 11444Srgrimes break; 11454Srgrimes } 11464Srgrimes db_printf("\t"); 1147144353Speter db_print_address(seg, BYTE, rex, &address); 11484Srgrimes } 11494Srgrimes else { 11504Srgrimes /* 11514Srgrimes * 'reg-reg' - special formats 11524Srgrimes */ 11534Srgrimes switch (fp->f_rrmode) { 11544Srgrimes case op2(ST,STI): 11554Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 1156144353Speter db_printf("%s\t%%st,%%st(%d)",name,f_rm(rex, regmodrm)); 11574Srgrimes break; 11584Srgrimes case op2(STI,ST): 11594Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 1160144353Speter db_printf("%s\t%%st(%d),%%st",name, f_rm(rex, regmodrm)); 11614Srgrimes break; 11624Srgrimes case op1(STI): 11634Srgrimes name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; 1164144353Speter db_printf("%s\t%%st(%d)",name, f_rm(rex, regmodrm)); 11654Srgrimes break; 11664Srgrimes case op1(X): 1167144353Speter name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)]; 116821277Sbde if (*name == '\0') 116921277Sbde goto bad; 117021277Sbde db_printf("%s", name); 11714Srgrimes break; 11724Srgrimes case op1(XA): 1173144353Speter name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)]; 117421277Sbde if (*name == '\0') 117521277Sbde goto bad; 117621277Sbde db_printf("%s\t%%ax", name); 11774Srgrimes break; 11784Srgrimes default: 117921277Sbde bad: 11804Srgrimes db_printf("<bad instruction>"); 11814Srgrimes break; 11824Srgrimes } 11834Srgrimes } 11844Srgrimes 11854Srgrimes return (loc); 11864Srgrimes} 11874Srgrimes 11884Srgrimes/* 11894Srgrimes * Disassemble instruction at 'loc'. 'altfmt' specifies an 11904Srgrimes * (optional) alternate format. Return address of start of 11914Srgrimes * next instruction. 11924Srgrimes */ 11934Srgrimesdb_addr_t 11944Srgrimesdb_disasm(loc, altfmt) 11954Srgrimes db_addr_t loc; 11964Srgrimes boolean_t altfmt; 11974Srgrimes{ 11984Srgrimes int inst; 11994Srgrimes int size; 12004Srgrimes int short_addr; 120117109Sbde const char * seg; 120214887Swollman const struct inst * ip; 120314887Swollman const char * i_name; 12044Srgrimes int i_size; 12054Srgrimes int i_mode; 1206144353Speter int rex = 0; 1207798Swollman int regmodrm = 0; 12084Srgrimes boolean_t first; 12094Srgrimes int displ; 12104Srgrimes int prefix; 1211181606Sjhb int rep; 12124Srgrimes int imm; 12134Srgrimes int imm2; 1214164263Sjhb long imm64; 12154Srgrimes int len; 12164Srgrimes struct i_addr address; 12174Srgrimes 12184Srgrimes get_value_inc(inst, loc, 1, FALSE); 12194Srgrimes short_addr = FALSE; 12204Srgrimes size = LONG; 12214Srgrimes seg = 0; 12224Srgrimes 12234Srgrimes /* 12244Srgrimes * Get prefixes 12254Srgrimes */ 1226181606Sjhb rep = FALSE; 12274Srgrimes prefix = TRUE; 12284Srgrimes do { 12294Srgrimes switch (inst) { 12304Srgrimes case 0x66: /* data16 */ 12314Srgrimes size = WORD; 12324Srgrimes break; 12334Srgrimes case 0x67: 12344Srgrimes short_addr = TRUE; 12354Srgrimes break; 12364Srgrimes case 0x26: 12374Srgrimes seg = "%es"; 12384Srgrimes break; 12394Srgrimes case 0x36: 12404Srgrimes seg = "%ss"; 12414Srgrimes break; 12424Srgrimes case 0x2e: 12434Srgrimes seg = "%cs"; 12444Srgrimes break; 12454Srgrimes case 0x3e: 12464Srgrimes seg = "%ds"; 12474Srgrimes break; 12484Srgrimes case 0x64: 12494Srgrimes seg = "%fs"; 12504Srgrimes break; 12514Srgrimes case 0x65: 12524Srgrimes seg = "%gs"; 12534Srgrimes break; 12544Srgrimes case 0xf0: 12554Srgrimes db_printf("lock "); 12564Srgrimes break; 12574Srgrimes case 0xf2: 12584Srgrimes db_printf("repne "); 12594Srgrimes break; 12604Srgrimes case 0xf3: 1261181606Sjhb rep = TRUE; 12624Srgrimes break; 12634Srgrimes default: 12644Srgrimes prefix = FALSE; 12654Srgrimes break; 12664Srgrimes } 1267144353Speter if (inst >= 0x40 && inst < 0x50) { 1268144353Speter rex = inst; 1269144353Speter prefix = TRUE; 1270144353Speter } 12714Srgrimes if (prefix) { 12724Srgrimes get_value_inc(inst, loc, 1, FALSE); 12734Srgrimes } 12744Srgrimes } while (prefix); 12754Srgrimes 12764Srgrimes if (inst >= 0xd8 && inst <= 0xdf) { 1277144353Speter loc = db_disasm_esc(loc, inst, rex, short_addr, size, seg); 12784Srgrimes db_printf("\n"); 12794Srgrimes return (loc); 12804Srgrimes } 12814Srgrimes 1282238166Sjhb ip = &db_inst_table[inst]; 1283238166Sjhb while (ip->i_size == ESC) { 12844Srgrimes get_value_inc(inst, loc, 1, FALSE); 1285238166Sjhb ip = ((const struct inst * const *)ip->i_extra)[inst>>4]; 12864Srgrimes if (ip == 0) { 12874Srgrimes ip = &db_bad_inst; 12884Srgrimes } 12894Srgrimes else { 12904Srgrimes ip = &ip[inst&0xf]; 12914Srgrimes } 12924Srgrimes } 12934Srgrimes 12944Srgrimes if (ip->i_has_modrm) { 12954Srgrimes get_value_inc(regmodrm, loc, 1, FALSE); 1296144353Speter loc = db_read_address(loc, short_addr, rex, regmodrm, &address); 12974Srgrimes } 12984Srgrimes 12994Srgrimes i_name = ip->i_name; 13004Srgrimes i_size = ip->i_size; 13014Srgrimes i_mode = ip->i_mode; 13024Srgrimes 130317109Sbde if (ip->i_extra == db_Grp1 || ip->i_extra == db_Grp2 || 130417109Sbde ip->i_extra == db_Grp6 || ip->i_extra == db_Grp7 || 1305181606Sjhb ip->i_extra == db_Grp8 || ip->i_extra == db_Grp9 || 1306181606Sjhb ip->i_extra == db_Grp15) { 1307144353Speter i_name = ((const char * const *)ip->i_extra)[f_reg(rex, regmodrm)]; 13084Srgrimes } 130917109Sbde else if (ip->i_extra == db_Grp3) { 131017109Sbde ip = ip->i_extra; 1311144353Speter ip = &ip[f_reg(rex, regmodrm)]; 13124Srgrimes i_name = ip->i_name; 13134Srgrimes i_mode = ip->i_mode; 13144Srgrimes } 131517109Sbde else if (ip->i_extra == db_Grp4 || ip->i_extra == db_Grp5) { 131617109Sbde ip = ip->i_extra; 1317144353Speter ip = &ip[f_reg(rex, regmodrm)]; 13184Srgrimes i_name = ip->i_name; 13194Srgrimes i_mode = ip->i_mode; 13204Srgrimes i_size = ip->i_size; 13214Srgrimes } 13224Srgrimes 1323181606Sjhb /* Special cases that don't fit well in the tables. */ 1324181606Sjhb if (ip->i_extra == db_Grp7 && f_mod(rex, regmodrm) == 3) { 1325181606Sjhb switch (regmodrm) { 1326238166Sjhb case 0xc1: 1327238166Sjhb i_name = "vmcall"; 1328238166Sjhb i_size = NONE; 1329238166Sjhb i_mode = 0; 1330238166Sjhb break; 1331238166Sjhb case 0xc2: 1332238166Sjhb i_name = "vmlaunch"; 1333238166Sjhb i_size = NONE; 1334238166Sjhb i_mode = 0; 1335238166Sjhb break; 1336238166Sjhb case 0xc3: 1337238166Sjhb i_name = "vmresume"; 1338238166Sjhb i_size = NONE; 1339238166Sjhb i_mode = 0; 1340238166Sjhb break; 1341238166Sjhb case 0xc4: 1342238166Sjhb i_name = "vmxoff"; 1343238166Sjhb i_size = NONE; 1344238166Sjhb i_mode = 0; 1345238166Sjhb break; 1346181606Sjhb case 0xc8: 1347181606Sjhb i_name = "monitor"; 1348181606Sjhb i_size = NONE; 1349181606Sjhb i_mode = 0; 1350181606Sjhb break; 1351181606Sjhb case 0xc9: 1352181606Sjhb i_name = "mwait"; 1353181606Sjhb i_size = NONE; 1354181606Sjhb i_mode = 0; 1355181606Sjhb break; 1356238109Sjhb case 0xd0: 1357238109Sjhb i_name = "xgetbv"; 1358238109Sjhb i_size = NONE; 1359238109Sjhb i_mode = 0; 1360238109Sjhb break; 1361238109Sjhb case 0xd1: 1362238109Sjhb i_name = "xsetbv"; 1363238109Sjhb i_size = NONE; 1364238109Sjhb i_mode = 0; 1365238109Sjhb break; 1366181606Sjhb case 0xf8: 1367181606Sjhb i_name = "swapgs"; 1368181606Sjhb i_size = NONE; 1369181606Sjhb i_mode = 0; 1370181606Sjhb break; 1371238109Sjhb case 0xf9: 1372238109Sjhb i_name = "rdtscp"; 1373238109Sjhb i_size = NONE; 1374238109Sjhb i_mode = 0; 1375238109Sjhb break; 1376181606Sjhb } 1377181606Sjhb } 1378181606Sjhb if (ip->i_extra == db_Grp15 && f_mod(rex, regmodrm) == 3) { 1379181606Sjhb i_name = db_Grp15b[f_reg(rex, regmodrm)]; 1380181606Sjhb i_size = NONE; 1381181606Sjhb i_mode = 0; 1382181606Sjhb } 1383181606Sjhb 1384238166Sjhb /* Handle instructions identified by mandatory prefixes. */ 1385238166Sjhb if (rep == TRUE) { 1386238166Sjhb if (inst == 0x90) { 1387238166Sjhb i_name = "pause"; 1388238166Sjhb i_size = NONE; 1389238166Sjhb i_mode = 0; 1390238166Sjhb rep = FALSE; 1391238166Sjhb } else if (ip->i_extra == db_Grp9 && f_mod(rex, regmodrm) != 3 && 1392238166Sjhb f_reg(rex, regmodrm) == 0x6) { 1393238166Sjhb i_name = "vmxon"; 1394238166Sjhb rep = FALSE; 1395238166Sjhb } 1396238166Sjhb } 1397238166Sjhb if (size == WORD) { 1398238166Sjhb if (ip->i_extra == db_Grp9 && f_mod(rex, regmodrm) != 3 && 1399238166Sjhb f_reg(rex, regmodrm) == 0x6) { 1400238166Sjhb i_name = "vmclear"; 1401238166Sjhb } 1402238166Sjhb } 1403238166Sjhb if (rex & REX_W) { 1404238166Sjhb if (strcmp(i_name, "cwde") == 0) 1405238166Sjhb i_name = "cdqe"; 1406238166Sjhb else if (strcmp(i_name, "cmpxchg8b") == 0) 1407238166Sjhb i_name = "cmpxchg16b"; 1408238166Sjhb } 1409238166Sjhb 1410238166Sjhb if (rep == TRUE) 1411238166Sjhb db_printf("repe "); /* XXX repe VS rep */ 1412238166Sjhb 14134Srgrimes if (i_size == SDEP) { 1414238166Sjhb if (size == LONG) 141579885Skris db_printf("%s", i_name); 14164Srgrimes else 141779885Skris db_printf("%s", (const char *)ip->i_extra); 1418238166Sjhb } else if (i_size == ADEP) { 1419238166Sjhb if (short_addr == FALSE) 1420238166Sjhb db_printf("%s", i_name); 1421238166Sjhb else 1422238166Sjhb db_printf("%s", (const char *)ip->i_extra); 14234Srgrimes } 14244Srgrimes else { 142579885Skris db_printf("%s", i_name); 1426144354Speter if ((inst >= 0x50 && inst <= 0x5f) || inst == 0x68 || inst == 0x6a) { 1427144354Speter i_size = NONE; 1428144354Speter db_printf("q"); 1429144354Speter } 14304Srgrimes if (i_size != NONE) { 14314Srgrimes if (i_size == BYTE) { 14324Srgrimes db_printf("b"); 14334Srgrimes size = BYTE; 14344Srgrimes } 14354Srgrimes else if (i_size == WORD) { 14364Srgrimes db_printf("w"); 14374Srgrimes size = WORD; 14384Srgrimes } 14394Srgrimes else if (size == WORD) 14404Srgrimes db_printf("w"); 1441144353Speter else { 1442144353Speter if (rex & REX_W) 1443144353Speter db_printf("q"); 1444144353Speter else 1445144353Speter db_printf("l"); 1446144353Speter } 14474Srgrimes } 14484Srgrimes } 14494Srgrimes db_printf("\t"); 14504Srgrimes for (first = TRUE; 14514Srgrimes i_mode != 0; 14524Srgrimes i_mode >>= 8, first = FALSE) 14534Srgrimes { 14544Srgrimes if (!first) 14554Srgrimes db_printf(","); 14564Srgrimes 14574Srgrimes switch (i_mode & 0xFF) { 14584Srgrimes 14594Srgrimes case E: 1460144353Speter db_print_address(seg, size, rex, &address); 14614Srgrimes break; 14624Srgrimes 14634Srgrimes case Eind: 14644Srgrimes db_printf("*"); 1465144353Speter db_print_address(seg, size, rex, &address); 14664Srgrimes break; 14674Srgrimes 146821277Sbde case El: 1469144353Speter db_print_address(seg, (rex & REX_W) ? QUAD : LONG, rex, &address); 147021277Sbde break; 147121277Sbde 1472144354Speter case EL: 1473144354Speter db_print_address(seg, LONG, 0, &address); 1474144354Speter break; 1475144354Speter 14764Srgrimes case Ew: 1477144353Speter db_print_address(seg, WORD, rex, &address); 14784Srgrimes break; 14794Srgrimes 14804Srgrimes case Eb: 1481144353Speter db_print_address(seg, BYTE, rex, &address); 14824Srgrimes break; 14834Srgrimes 14844Srgrimes case R: 1485144354Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][(size == LONG && (rex & REX_W)) ? QUAD : size][f_reg(rex, regmodrm)]); 14864Srgrimes break; 14874Srgrimes 14884Srgrimes case Rw: 1489144353Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][WORD][f_reg(rex, regmodrm)]); 14904Srgrimes break; 14914Srgrimes 1492238166Sjhb case Rq: 1493238166Sjhb db_printf("%s", db_reg[rex != 0 ? 1 : 0][QUAD][f_reg(rex, regmodrm)]); 1494238166Sjhb break; 1495238166Sjhb 14964Srgrimes case Ri: 1497144354Speter db_printf("%s", db_reg[0][QUAD][f_rm(rex, inst)]); 14984Srgrimes break; 14994Srgrimes 150021277Sbde case Ril: 1501144353Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][(rex & REX_R) ? QUAD : LONG][f_rm(rex, inst)]); 150221277Sbde break; 150321277Sbde 15044Srgrimes case S: 1505144353Speter db_printf("%s", db_seg_reg[f_reg(rex, regmodrm)]); 15064Srgrimes break; 15074Srgrimes 15084Srgrimes case Si: 1509144353Speter db_printf("%s", db_seg_reg[f_reg(rex, inst)]); 15104Srgrimes break; 15114Srgrimes 15124Srgrimes case A: 1513144353Speter db_printf("%s", db_reg[rex != 0 ? 1 : 0][size][0]); /* acc */ 15144Srgrimes break; 15154Srgrimes 15164Srgrimes case BX: 15174Srgrimes if (seg) 15184Srgrimes db_printf("%s:", seg); 15194Srgrimes db_printf("(%s)", short_addr ? "%bx" : "%ebx"); 15204Srgrimes break; 15214Srgrimes 15224Srgrimes case CL: 15234Srgrimes db_printf("%%cl"); 15244Srgrimes break; 15254Srgrimes 15264Srgrimes case DX: 15274Srgrimes db_printf("%%dx"); 15284Srgrimes break; 15294Srgrimes 15304Srgrimes case SI: 15314Srgrimes if (seg) 15324Srgrimes db_printf("%s:", seg); 1533144353Speter db_printf("(%s)", short_addr ? "%si" : "%rsi"); 15344Srgrimes break; 15354Srgrimes 15364Srgrimes case DI: 1537144353Speter db_printf("%%es:(%s)", short_addr ? "%di" : "%rdi"); 15384Srgrimes break; 15394Srgrimes 15404Srgrimes case CR: 1541144353Speter db_printf("%%cr%d", f_reg(rex, regmodrm)); 15424Srgrimes break; 15434Srgrimes 15444Srgrimes case DR: 1545144353Speter db_printf("%%dr%d", f_reg(rex, regmodrm)); 15464Srgrimes break; 15474Srgrimes 15484Srgrimes case TR: 1549144353Speter db_printf("%%tr%d", f_reg(rex, regmodrm)); 15504Srgrimes break; 15514Srgrimes 15524Srgrimes case I: 1553144354Speter len = db_lengths[size]; 155421277Sbde get_value_inc(imm, loc, len, FALSE); 155537506Sbde db_printf("$%#r", imm); 15564Srgrimes break; 15574Srgrimes 15584Srgrimes case Is: 1559144353Speter len = db_lengths[(size == LONG && (rex & REX_W)) ? QUAD : size]; 156021277Sbde get_value_inc(imm, loc, len, FALSE); 156137506Sbde db_printf("$%+#r", imm); 15624Srgrimes break; 15634Srgrimes 15644Srgrimes case Ib: 156521277Sbde get_value_inc(imm, loc, 1, FALSE); 156637506Sbde db_printf("$%#r", imm); 15674Srgrimes break; 15684Srgrimes 156921277Sbde case Iba: 157021277Sbde get_value_inc(imm, loc, 1, FALSE); 157121277Sbde if (imm != 0x0a) 157237506Sbde db_printf("$%#r", imm); 157321277Sbde break; 157421277Sbde 15754Srgrimes case Ibs: 157621277Sbde get_value_inc(imm, loc, 1, TRUE); 157721277Sbde if (size == WORD) 157821277Sbde imm &= 0xFFFF; 157937506Sbde db_printf("$%+#r", imm); 15804Srgrimes break; 15814Srgrimes 15824Srgrimes case Iw: 158321277Sbde get_value_inc(imm, loc, 2, FALSE); 158437506Sbde db_printf("$%#r", imm); 15854Srgrimes break; 15864Srgrimes 1587164263Sjhb case Ilq: 1588164263Sjhb len = db_lengths[rex & REX_W ? QUAD : LONG]; 1589164263Sjhb get_value_inc(imm64, loc, len, FALSE); 1590164263Sjhb db_printf("$%#lr", imm64); 1591164263Sjhb break; 1592164263Sjhb 15934Srgrimes case O: 159421277Sbde len = (short_addr ? 2 : 4); 159521277Sbde get_value_inc(displ, loc, len, FALSE); 15964Srgrimes if (seg) 159737506Sbde db_printf("%s:%+#r",seg, displ); 15984Srgrimes else 15994Srgrimes db_printsym((db_addr_t)displ, DB_STGY_ANY); 16004Srgrimes break; 16014Srgrimes 16024Srgrimes case Db: 16034Srgrimes get_value_inc(displ, loc, 1, TRUE); 160421277Sbde displ += loc; 160521277Sbde if (size == WORD) 160621277Sbde displ &= 0xFFFF; 160721277Sbde db_printsym((db_addr_t)displ, DB_STGY_XTRN); 16084Srgrimes break; 16094Srgrimes 16104Srgrimes case Dl: 1611144353Speter len = db_lengths[(size == LONG && (rex & REX_W)) ? QUAD : size]; 161221277Sbde get_value_inc(displ, loc, len, FALSE); 161321277Sbde displ += loc; 161421277Sbde if (size == WORD) 161521277Sbde displ &= 0xFFFF; 161621277Sbde db_printsym((db_addr_t)displ, DB_STGY_XTRN); 16174Srgrimes break; 16184Srgrimes 16194Srgrimes case o1: 16204Srgrimes db_printf("$1"); 16214Srgrimes break; 16224Srgrimes 16234Srgrimes case o3: 16244Srgrimes db_printf("$3"); 16254Srgrimes break; 16264Srgrimes 16274Srgrimes case OS: 162821277Sbde len = db_lengths[size]; 162921277Sbde get_value_inc(imm, loc, len, FALSE); /* offset */ 16304Srgrimes get_value_inc(imm2, loc, 2, FALSE); /* segment */ 163137506Sbde db_printf("$%#r,%#r", imm2, imm); 16324Srgrimes break; 16334Srgrimes } 16344Srgrimes } 16354Srgrimes db_printf("\n"); 16364Srgrimes return (loc); 16374Srgrimes} 1638