 @@ -1,1519 +1,1525 @@
-/*	$NetBSD: db_disasm.c,v 1.22 2015/05/12 23:16:47 christos Exp $	*/
+/*	$NetBSD: db_disasm.c,v 1.23 2016/03/25 10:14:43 shm Exp $	*/
 /*
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
+ *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
  * Carnegie Mellon requests users of this software to return to
+ *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
+ *
  * any improvements or extensions that they make and grant Carnegie the
  * rights to redistribute these changes.
+ *
  *	Id: db_disasm.c,v 2.3 91/02/05 17:11:03 mrt (CMU)
  */
 /*
  * Instruction disassembler.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_disasm.c,v 1.22 2015/05/12 23:16:47 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_disasm.c,v 1.23 2016/03/25 10:14:43 shm Exp $");
 #ifndef _KERNEL
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/ksyms.h>
 #endif	/* _KERNEL */
 #include <sys/param.h>
 #include <sys/proc.h>
 #include <machine/db_machdep.h>
 #include <ddb/db_access.h>
 #include <ddb/db_sym.h>
 #include <ddb/db_output.h>
 #include <ddb/db_interface.h>
 #ifndef _KERNEL
 #define db_printsym(a, x, fn) fn("%lx ", (a))
 #endif
 /*
  * Size attributes
  */
 #define	BYTE	0
 #define	WORD	1
 #define	LONG	2
 #define	QUAD	3
 #define	SNGL	4
 #define	DBLR	5
 #define	EXTR	6
 #define	SDEP	7
 #define	NONE	8
 /*
  * REX prefix and bits
  */
 #define REX_B	1
 #define REX_X	2
 #define REX_R	4
 #define REX_W	8
 #define REX	0x40
 /*
  * Addressing modes
  */
 #define	E	1			/* general effective address */
 #define	Eind	2			/* indirect address (jump, call) */
 #define	Ew	3			/* address, word size */
 #define	Eb	4			/* address, byte size */
 #define	R	5			/* register, in 'reg' field */
 #define	Rw	6			/* word register, in 'reg' field */
 #define	Ri	7			/* register in instruction */
 #define	S	8			/* segment reg, in 'reg' field */
 #define	Si	9			/* segment reg, in instruction */
 #define	A	10			/* accumulator */
 #define	BX	11			/* (bx) */
 #define	CL	12			/* cl, for shifts */
 #define	DX	13			/* dx, for IO */
 #define	SI	14			/* si */
 #define	DI	15			/* di */
 #define	CR	16			/* control register */
 #define	DR	17			/* debug register */
 #define	TR	18			/* test register */
 #define	I	19			/* immediate, unsigned */
 #define	Is	20			/* immediate, signed */
 #define	Ib	21			/* byte immediate, unsigned */
 #define	Ibs	22			/* byte immediate, signed */
 #define	Iw	23			/* word immediate, unsigned */
 #define	Il	24			/* long immediate */
 #define	O	25			/* direct address */
 #define	Db	26			/* byte displacement from EIP */
 #define	Dl	27			/* long displacement from EIP */
 #define	o1	28			/* constant 1 */
 #define	o3	29			/* constant 3 */
 #define	OS	30			/* immediate offset/segment */
 #define	ST	31			/* FP stack top */
 #define	STI	32			/* FP stack */
 #define	X	33			/* extended FP op */
 #define	XA	34			/* for 'fstcw %ax' */
 #define	Ed	35			/* address, double size */
 #define	Iq	36			/* word immediate, maybe 64bits */
 #define	Rv	40			/* register in 'r/m' field */
 struct inst {
 	const char *i_name;		/* name */
 	short	i_has_modrm;		/* has regmodrm byte */
 	short	i_size;			/* operand size */
 	int	i_mode;			/* addressing modes */
 	const void *i_extra;		/* pointer to extra opcode table */
 };
 #define	op1(x)		(x)
 #define	op2(x,y)	((x)|((y)<<8))
 #define	op3(x,y,z)	((x)|((y)<<8)|((z)<<16))
 struct finst {
 	const char *f_name;		/* name for memory instruction */
 	int	f_size;			/* size for memory instruction */
 	int	f_rrmode;		/* mode for rr instruction */
 	const void *f_rrname;		/* name for rr instruction
 					   (or pointer to table) */
 };
 const char * const db_Grp6[] = {
 	"sldt",
 	"str",
 	"lldt",
 	"ltr",
 	"verr",
 	"verw",
 	"",
 	""
 };
 const char * const db_Grp7[] = {
 	"sgdt",
 	"sidt",
 	"lgdt",
 	"lidt",
 	"smsw",
 	"",
 	"lmsw",
 	"invlpg"
 };
 const char * const db_Grp8[] = {
 	"",
 	"",
 	"",
 	"",
 	"bt",
 	"bts",
 	"btr",
 	"btc"
 };
 const char * const db_Grp9[] = {
 	"",
 	"cmpxchg8b",
 	"",
 	"",
 	"",
 	"",
 	"vmptrld",
 	"vmptrst"
 };
 const struct inst db_Grp9b[] = {
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "rdrand",true, LONG, op1(Rv),	 0 },
 	{ "rdseed",true, LONG, op1(Rv),	 0 }
 };
 const struct inst db_inst_0f0x[] = {
 /*00*/	{ "",	   true,  NONE,  op1(Ew),     db_Grp6 },
 /*01*/	{ "",	   true,  NONE,  op1(Ew),     db_Grp7 },
 /*02*/	{ "lar",   true,  LONG,  op2(E,R),    0 },
 /*03*/	{ "lsl",   true,  LONG,  op2(E,R),    0 },
 /*04*/	{ "",      false, NONE,  0,	      0 },
 /*05*/	{ "syscall",false,NONE,  0,	      0 },
 /*06*/	{ "clts",  false, NONE,  0,	      0 },
 /*07*/	{ "sysret",false, NONE,  0,	      0 },
 /*08*/	{ "invd",  false, NONE,  0,	      0 },
 /*09*/	{ "wbinvd",false, NONE,  0,	      0 },
 /*0a*/	{ "",      false, NONE,  0,	      0 },
 /*0b*/	{ "ud2",   false, NONE,  0,	      0 },
 /*0c*/	{ "",      false, NONE,  0,	      0 },
 /*0d*/	{ "prefetch",true,NONE,  op2(E,R),    0 },  /* Not 'R' really */
 /*0e*/	{ "",      false, NONE,  0,	      0 },  /* FEMMS (3DNow) */
 /*0f*/	{ "",      false, NONE,  0,	      0 },  /* 3DNow */
 };
 const struct inst db_inst_0f1x[] = {
 /*10*/	{ "",      false, NONE,  0,	      0 },
 /*11*/	{ "",      false, NONE,  0,	      0 },
 /*12*/	{ "",      false, NONE,  0,	      0 },
 /*13*/	{ "",      false, NONE,  0,	      0 },
 /*14*/	{ "",      false, NONE,  0,	      0 },
 /*15*/	{ "",      false, NONE,  0,	      0 },
 /*16*/	{ "",      false, NONE,  0,	      0 },
 /*17*/	{ "",      false, NONE,  0,	      0 },
 /*18*/	{ "",      false, NONE,  0,	      0 },
 /*19*/	{ "",      false, NONE,  0,	      0 },
 /*1a*/	{ "",      false, NONE,  0,	      0 },
 /*1b*/	{ "",      false, NONE,  0,	      0 },
 /*1c*/	{ "",      false, NONE,  0,	      0 },
 /*1d*/	{ "",      false, NONE,  0,	      0 },
 /*1e*/	{ "",      false, NONE,  0,	      0 },
 /*1f*/	{ "nopl",  true,  SDEP,  0,	      "nopw" },
 };
 const struct inst db_inst_0f2x[] = {
 /*20*/	{ "mov",   true,  LONG,  op2(CR,E),   0 }, /* use E for reg */
 /*21*/	{ "mov",   true,  LONG,  op2(DR,E),   0 }, /* since mod == 11 */
 /*22*/	{ "mov",   true,  LONG,  op2(E,CR),   0 },
 /*23*/	{ "mov",   true,  LONG,  op2(E,DR),   0 },
 /*24*/	{ "mov",   true,  LONG,  op2(TR,E),   0 },
 /*25*/	{ "",      false, NONE,  0,	      0 },
 /*26*/	{ "mov",   true,  LONG,  op2(E,TR),   0 },
 /*27*/	{ "",      false, NONE,  0,	      0 },
 /*28*/	{ "",      false, NONE,  0,	      0 },
 /*29*/	{ "",      false, NONE,  0,	      0 },
 /*2a*/	{ "",      false, NONE,  0,	      0 },
 /*2b*/	{ "",      false, NONE,  0,	      0 },
 /*2c*/	{ "",      false, NONE,  0,	      0 },
 /*2d*/	{ "",      false, NONE,  0,	      0 },
 /*2e*/	{ "",      false, NONE,  0,	      0 },
 /*2f*/	{ "",      false, NONE,  0,	      0 },
 };
 const struct inst db_inst_0f3x[] = {
 /*30*/	{ "wrmsr", false, NONE,  0,	      0 },
 /*31*/	{ "rdtsc", false, NONE,  0,	      0 },
 /*32*/	{ "rdmsr", false, NONE,  0,	      0 },
 /*33*/	{ "rdpmc", false, NONE,  0,	      0 },
 /*34*/	{ "sysenter",false,NONE, 0,	      0 },
 /*35*/	{ "sysexit",false, NONE, 0,	      0 },
 /*36*/	{ "",	   false, NONE,  0,	      0 },
 /*37*/	{ "getsec",false, NONE,  0,	      0 },
 /*38*/	{ "",	   false, NONE,  0,	      0 },
 /*39*/	{ "",	   false, NONE,  0,	      0 },
 /*3a*/	{ "",	   false, NONE,  0,	      0 },
 /*3b*/	{ "",	   false, NONE,  0,	      0 },
 /*3c*/	{ "",	   false, NONE,  0,	      0 },
 /*3d*/	{ "",	   false, NONE,  0,	      0 },
 /*3e*/	{ "",	   false, NONE,  0,	      0 },
 /*3f*/	{ "",	   false, NONE,  0,	      0 },
 };
 const struct inst db_inst_0f4x[] = {
 /*40*/	{ "cmovo",  true,  LONG,  op2(E,R),    0 },
 /*41*/	{ "cmovno", true,  LONG,  op2(E,R),    0 },
 /*42*/	{ "cmovc",  true,  LONG,  op2(E,R),    0 },
 /*43*/	{ "cmovnc", true,  LONG,  op2(E,R),    0 },
 /*44*/	{ "cmovz",  true,  LONG,  op2(E,R),    0 },
 /*45*/	{ "cmovnz", true,  LONG,  op2(E,R),    0 },
 /*46*/	{ "cmovbe", true,  LONG,  op2(E,R),    0 },
 /*47*/	{ "cmovmbe",true,  LONG,  op2(E,R),    0 },
 /*48*/	{ "cmovs",  true,  LONG,  op2(E,R),    0 },
 /*49*/	{ "cmovns", true,  LONG,  op2(E,R),    0 },
 /*4a*/	{ "cmovp",  true,  LONG,  op2(E,R),    0 },
 /*4b*/	{ "cmovnp", true,  LONG,  op2(E,R),    0 },
 /*4c*/	{ "cmovl",  true,  LONG,  op2(E,R),    0 },
 /*4d*/	{ "cmovnl", true,  LONG,  op2(E,R),    0 },
 /*4e*/	{ "cmovle", true,  LONG,  op2(E,R),    0 },
 /*4f*/	{ "cmovnle",true,  LONG,  op2(E,R),    0 },
 };
 const struct inst db_inst_0f8x[] = {
 /*80*/	{ "jo",    false, NONE,  op1(Dl),     0 },
 /*81*/	{ "jno",   false, NONE,  op1(Dl),     0 },
 /*82*/	{ "jb",    false, NONE,  op1(Dl),     0 },
 /*83*/	{ "jnb",   false, NONE,  op1(Dl),     0 },
 /*84*/	{ "jz",    false, NONE,  op1(Dl),     0 },
 /*85*/	{ "jnz",   false, NONE,  op1(Dl),     0 },
 /*86*/	{ "jbe",   false, NONE,  op1(Dl),     0 },
 /*87*/	{ "jnbe",  false, NONE,  op1(Dl),     0 },
 /*88*/	{ "js",    false, NONE,  op1(Dl),     0 },
 /*89*/	{ "jns",   false, NONE,  op1(Dl),     0 },
 /*8a*/	{ "jp",    false, NONE,  op1(Dl),     0 },
 /*8b*/	{ "jnp",   false, NONE,  op1(Dl),     0 },
 /*8c*/	{ "jl",    false, NONE,  op1(Dl),     0 },
 /*8d*/	{ "jnl",   false, NONE,  op1(Dl),     0 },
 /*8e*/	{ "jle",   false, NONE,  op1(Dl),     0 },
 /*8f*/	{ "jnle",  false, NONE,  op1(Dl),     0 },
 };
 const struct inst db_inst_0f9x[] = {
 /*90*/	{ "seto",  true,  NONE,  op1(Eb),     0 },
 /*91*/	{ "setno", true,  NONE,  op1(Eb),     0 },
 /*92*/	{ "setb",  true,  NONE,  op1(Eb),     0 },
 /*93*/	{ "setnb", true,  NONE,  op1(Eb),     0 },
 /*94*/	{ "setz",  true,  NONE,  op1(Eb),     0 },
 /*95*/	{ "setnz", true,  NONE,  op1(Eb),     0 },
 /*96*/	{ "setbe", true,  NONE,  op1(Eb),     0 },
 /*97*/	{ "setnbe",true,  NONE,  op1(Eb),     0 },
 /*98*/	{ "sets",  true,  NONE,  op1(Eb),     0 },
 /*99*/	{ "setns", true,  NONE,  op1(Eb),     0 },
 /*9a*/	{ "setp",  true,  NONE,  op1(Eb),     0 },
 /*9b*/	{ "setnp", true,  NONE,  op1(Eb),     0 },
 /*9c*/	{ "setl",  true,  NONE,  op1(Eb),     0 },
 /*9d*/	{ "setnl", true,  NONE,  op1(Eb),     0 },
 /*9e*/	{ "setle", true,  NONE,  op1(Eb),     0 },
 /*9f*/	{ "setnle",true,  NONE,  op1(Eb),     0 },
 };
 const struct inst db_inst_0fax[] = {
 /*a0*/	{ "push",  false, NONE,  op1(Si),     0 },
 /*a1*/	{ "pop",   false, NONE,  op1(Si),     0 },
 /*a2*/	{ "cpuid", false, NONE,  0,	      0 },
 /*a3*/	{ "bt",    true,  LONG,  op2(R,E),    0 },
 /*a4*/	{ "shld",  true,  LONG,  op3(Ib,R,E), 0 },
 /*a5*/	{ "shld",  true,  LONG,  op3(CL,R,E), 0 },
 /*a6*/	{ "",      false, NONE,  0,	      0 },
 /*a7*/	{ "",      false, NONE,  0,	      0 },
 /*a8*/	{ "push",  false, NONE,  op1(Si),     0 },
 /*a9*/	{ "pop",   false, NONE,  op1(Si),     0 },
 /*aa*/	{ "rsm",   false, NONE,  0,	      0 },
 /*ab*/	{ "bts",   true,  LONG,  op2(R,E),    0 },
 /*ac*/	{ "shrd",  true,  LONG,  op3(Ib,R,E), 0 },
 /*ad*/	{ "shrd",  true,  LONG,  op3(CL,R,E), 0 },
 /*ae*/	{ "fxsave",true,  LONG,  0,	      0 },
 /*af*/	{ "imul",  true,  LONG,  op2(E,R),    0 },
 };
 const struct inst db_inst_0fbx[] = {
 /*b0*/	{ "cmpxchg",true, BYTE,  op2(R, E),   0 },
 /*b1*/	{ "cmpxchg",true, LONG,  op2(R, E),   0 },
 /*b2*/	{ "lss",   true,  LONG,  op2(E, R),   0 },
 /*b3*/	{ "btr",   true,  LONG,  op2(R, E),   0 },
 /*b4*/	{ "lfs",   true,  LONG,  op2(E, R),   0 },
 /*b5*/	{ "lgs",   true,  LONG,  op2(E, R),   0 },
 /*b6*/	{ "movzb", true,  LONG,  op2(E, R),   0 },
 /*b7*/	{ "movzw", true,  LONG,  op2(E, R),   0 },
 /*b8*/	{ "",      false, NONE,  0,	      0 },
 /*b9*/	{ "",      false, NONE,  0,	      0 },
 /*ba*/	{ "",      true,  LONG,  op2(Ib, E),  db_Grp8 },
 /*bb*/	{ "btc",   true,  LONG,  op2(R, E),   0 },
 /*bc*/	{ "bsf",   true,  LONG,  op2(E, R),   0 },
 /*bd*/	{ "bsr",   true,  LONG,  op2(E, R),   0 },
 /*be*/	{ "movsb", true,  LONG,  op2(E, R),   0 },
 /*bf*/	{ "movsw", true,  LONG,  op2(E, R),   0 },
 };
 const struct inst db_inst_0fcx[] = {
 /*c0*/	{ "xadd",  true,  BYTE,  op2(R, E),   0 },
 /*c1*/	{ "xadd",  true,  LONG,  op2(R, E),   0 },
 /*c2*/	{ "",	   false, NONE,  0,	      0 },
 /*c3*/	{ "",	   false, NONE,  0,	      0 },
 /*c4*/	{ "",	   false, NONE,  0,	      0 },
 /*c5*/	{ "",	   false, NONE,  0,	      0 },
 /*c6*/	{ "",	   false, NONE,  0,	      0 },
 /*c7*/	{ "",	   true,  NONE,  op1(E),      db_Grp9 },
 /*c8*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 /*c9*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 /*ca*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 /*cb*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 /*cc*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 /*cd*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 /*ce*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 /*cf*/	{ "bswap", false, LONG,  op1(Ri),     0 },
 };
 const struct inst * const db_inst_0f[] = {
 	db_inst_0f0x,
 	db_inst_0f1x,
 	db_inst_0f2x,
 	db_inst_0f3x,
 	db_inst_0f4x,
 	NULL,
 	NULL,
 	NULL,
 	db_inst_0f8x,
 	db_inst_0f9x,
 	db_inst_0fax,
 	db_inst_0fbx,
 	db_inst_0fcx,
 	NULL,
 	NULL,
 	NULL
 };
 const char * const db_Esc92[] = {
 	"fnop",	"",	"",	"",	"",	"",	"",	""
 };
 const char * const db_Esc93[] = {
 	"",	"",	"",	"",	"",	"",	"",	""
 };
 const char * const db_Esc94[] = {
 	"fchs",	"fabs",	"",	"",	"ftst",	"fxam",	"",	""
 };
 const char * const db_Esc95[] = {
 	"fld1",	"fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz",""
 };
 const char * const db_Esc96[] = {
 	"f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp",
 	"fincstp"
 };
 const char * const db_Esc97[] = {
 	"fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos"
 };
 const char * const db_Esca4[] = {
 	"",	"fucompp","",	"",	"",	"",	"",	""
 };
 const char * const db_Escb4[] = {
 	"",	"",	"fnclex","fninit","",	"",	"",	""
 };
 const char * const db_Esce3[] = {
 	"",	"fcompp","",	"",	"",	"",	"",	""
 };
 const char * const db_Escf4[] = {
 	"fnstsw","",	"",	"",	"",	"",	"",	""
 };
 const struct finst db_Esc8[] = {
 /*0*/	{ "fadd",   SNGL,  op2(STI,ST),	0 },
 /*1*/	{ "fmul",   SNGL,  op2(STI,ST),	0 },
 /*2*/	{ "fcom",   SNGL,  op2(STI,ST),	0 },
 /*3*/	{ "fcomp",  SNGL,  op2(STI,ST),	0 },
 /*4*/	{ "fsub",   SNGL,  op2(STI,ST),	0 },
 /*5*/	{ "fsubr",  SNGL,  op2(STI,ST),	0 },
 /*6*/	{ "fdiv",   SNGL,  op2(STI,ST),	0 },
 /*7*/	{ "fdivr",  SNGL,  op2(STI,ST),	0 },
 };
 const struct finst db_Esc9[] = {
 /*0*/	{ "fld",    SNGL,  op1(STI),	0 },
 /*1*/	{ "",       NONE,  op1(STI),	"fxch" },
 /*2*/	{ "fst",    SNGL,  op1(X),	db_Esc92 },
 /*3*/	{ "fstp",   SNGL,  op1(X),	db_Esc93 },
 /*4*/	{ "fldenv", NONE,  op1(X),	db_Esc94 },
 /*5*/	{ "fldcw",  NONE,  op1(X),	db_Esc95 },
 /*6*/	{ "fnstenv",NONE,  op1(X),	db_Esc96 },
 /*7*/	{ "fnstcw", NONE,  op1(X),	db_Esc97 },
 };
 const struct finst db_Esca[] = {
 /*0*/	{ "fiadd",  WORD,  0,		0 },
 /*1*/	{ "fimul",  WORD,  0,		0 },
 /*2*/	{ "ficom",  WORD,  0,		0 },
 /*3*/	{ "ficomp", WORD,  0,		0 },
 /*4*/	{ "fisub",  WORD,  op1(X),	db_Esca4 },
 /*5*/	{ "fisubr", WORD,  0,		0 },
 /*6*/	{ "fidiv",  WORD,  0,		0 },
 /*7*/	{ "fidivr", WORD,  0,		0 }
 };
 const struct finst db_Escb[] = {
 /*0*/	{ "fild",   WORD,  0,		0 },
 /*1*/	{ "",       NONE,  0,		0 },
 /*2*/	{ "fist",   WORD,  0,		0 },
 /*3*/	{ "fistp",  WORD,  0,		0 },
 /*4*/	{ "",       WORD,  op1(X),	db_Escb4 },
 /*5*/	{ "fld",    EXTR,  0,		0 },
 /*6*/	{ "",       WORD,  0,		0 },
 /*7*/	{ "fstp",   EXTR,  0,		0 },
 };
 const struct finst db_Escc[] = {
 /*0*/	{ "fadd",   DBLR,  op2(ST,STI),	0 },
 /*1*/	{ "fmul",   DBLR,  op2(ST,STI),	0 },
 /*2*/	{ "fcom",   DBLR,  op2(ST,STI),	0 },
 /*3*/	{ "fcomp",  DBLR,  op2(ST,STI),	0 },
 /*4*/	{ "fsub",   DBLR,  op2(ST,STI),	"fsubr" },
 /*5*/	{ "fsubr",  DBLR,  op2(ST,STI),	"fsub" },
 /*6*/	{ "fdiv",   DBLR,  op2(ST,STI),	"fdivr" },
 /*7*/	{ "fdivr",  DBLR,  op2(ST,STI),	"fdiv" },
 };
 const struct finst db_Escd[] = {
 /*0*/	{ "fld",    DBLR,  op1(STI),	"ffree" },
 /*1*/	{ "",       NONE,  0,		0 },
 /*2*/	{ "fst",    DBLR,  op1(STI),	0 },
 /*3*/	{ "fstp",   DBLR,  op1(STI),	0 },
 /*4*/	{ "frstor", NONE,  op1(STI),	"fucom" },
 /*5*/	{ "",       NONE,  op1(STI),	"fucomp" },
 /*6*/	{ "fnsave", NONE,  0,		0 },
 /*7*/	{ "fnstsw", NONE,  0,		0 },
 };
 const struct finst db_Esce[] = {
 /*0*/	{ "fiadd",  LONG,  op2(ST,STI),	"faddp" },
 /*1*/	{ "fimul",  LONG,  op2(ST,STI),	"fmulp" },
 /*2*/	{ "ficom",  LONG,  0,		0 },
 /*3*/	{ "ficomp", LONG,  op1(X),	db_Esce3 },
 /*4*/	{ "fisub",  LONG,  op2(ST,STI),	"fsubrp" },
 /*5*/	{ "fisubr", LONG,  op2(ST,STI),	"fsubp" },
 /*6*/	{ "fidiv",  LONG,  op2(ST,STI),	"fdivrp" },
 /*7*/	{ "fidivr", LONG,  op2(ST,STI),	"fdivp" },
 };
 const struct finst db_Escf[] = {
 /*0*/	{ "fild",   LONG,  0,		0 },
 /*1*/	{ "",       LONG,  0,		0 },
 /*2*/	{ "fist",   LONG,  0,		0 },
 /*3*/	{ "fistp",  LONG,  0,		0 },
 /*4*/	{ "fbld",   NONE,  op1(XA),	db_Escf4 },
 /*5*/	{ "fld",    QUAD,  0,		0 },
 /*6*/	{ "fbstp",  NONE,  0,		0 },
 /*7*/	{ "fstp",   QUAD,  0,		0 },
 };
 const struct finst * const db_Esc_inst[] = {
 	db_Esc8, db_Esc9, db_Esca, db_Escb,
 	db_Escc, db_Escd, db_Esce, db_Escf
 };
 const char * const db_Grp1[] = {
 	"add",
 	"or",
 	"adc",
 	"sbb",
 	"and",
 	"sub",
 	"xor",
 	"cmp"
 };
 const char * const db_Grp2[] = {
 	"rol",
 	"ror",
 	"rcl",
 	"rcr",
 	"shl",
 	"shr",
 	"shl",
 	"sar"
 };
 const struct inst db_Grp3[] = {
 	{ "test",  true, NONE, op2(I,E), 0 },
 	{ "test",  true, NONE, op2(I,E), 0 },
 	{ "not",   true, NONE, op1(E),   0 },
 	{ "neg",   true, NONE, op1(E),   0 },
 	{ "mul",   true, NONE, op2(E,A), 0 },
 	{ "imul",  true, NONE, op2(E,A), 0 },
 	{ "div",   true, NONE, op2(E,A), 0 },
 	{ "idiv",  true, NONE, op2(E,A), 0 },
 };
 const struct inst db_Grp4[] = {
 	{ "inc",   true, BYTE, op1(E),   0 },
 	{ "dec",   true, BYTE, op1(E),   0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 },
 	{ "",      true, NONE, 0,	 0 }
 };
 const struct inst db_Grp5[] = {
 	{ "inc",   true, LONG, op1(E),   0 },
 	{ "dec",   true, LONG, op1(E),   0 },
 	{ "call",  true, NONE, op1(Eind),0 },
 	{ "lcall", true, NONE, op1(Eind),0 },
 	{ "jmp",   true, NONE, op1(Eind),0 },
 	{ "ljmp",  true, NONE, op1(Eind),0 },
 	{ "push",  true, LONG, op1(E),   0 },
 	{ "",      true, NONE, 0,	 0 }
 };
 const struct inst db_inst_table[256] = {
 /*00*/	{ "add",   true,  BYTE,  op2(R, E),  0 },
 /*01*/	{ "add",   true,  LONG,  op2(R, E),  0 },
 /*02*/	{ "add",   true,  BYTE,  op2(E, R),  0 },
 /*03*/	{ "add",   true,  LONG,  op2(E, R),  0 },
 /*04*/	{ "add",   false, BYTE,  op2(Is, A), 0 },
 /*05*/	{ "add",   false, LONG,  op2(Is, A), 0 },
 /*06*/	{ "push",  false, NONE,  op1(Si),    0 },
 /*07*/	{ "pop",   false, NONE,  op1(Si),    0 },
 /*08*/	{ "or",    true,  BYTE,  op2(R, E),  0 },
 /*09*/	{ "or",    true,  LONG,  op2(R, E),  0 },
 /*0a*/	{ "or",    true,  BYTE,  op2(E, R),  0 },
 /*0b*/	{ "or",    true,  LONG,  op2(E, R),  0 },
 /*0c*/	{ "or",    false, BYTE,  op2(I, A),  0 },
 /*0d*/	{ "or",    false, LONG,  op2(I, A),  0 },
 /*0e*/	{ "push",  false, NONE,  op1(Si),    0 },
 /*0f*/	{ "",      false, NONE,  0,	     0 },
 /*10*/	{ "adc",   true,  BYTE,  op2(R, E),  0 },
 /*11*/	{ "adc",   true,  LONG,  op2(R, E),  0 },
 /*12*/	{ "adc",   true,  BYTE,  op2(E, R),  0 },
 /*13*/	{ "adc",   true,  LONG,  op2(E, R),  0 },
 /*14*/	{ "adc",   false, BYTE,  op2(Is, A), 0 },
 /*15*/	{ "adc",   false, LONG,  op2(Is, A), 0 },
 /*16*/	{ "push",  false, NONE,  op1(Si),    0 },
 /*17*/	{ "pop",   false, NONE,  op1(Si),    0 },
 /*18*/	{ "sbb",   true,  BYTE,  op2(R, E),  0 },
 /*19*/	{ "sbb",   true,  LONG,  op2(R, E),  0 },
 /*1a*/	{ "sbb",   true,  BYTE,  op2(E, R),  0 },
 /*1b*/	{ "sbb",   true,  LONG,  op2(E, R),  0 },
 /*1c*/	{ "sbb",   false, BYTE,  op2(Is, A), 0 },
 /*1d*/	{ "sbb",   false, LONG,  op2(Is, A), 0 },
 /*1e*/	{ "push",  false, NONE,  op1(Si),    0 },
 /*1f*/	{ "pop",   false, NONE,  op1(Si),    0 },
 /*20*/	{ "and",   true,  BYTE,  op2(R, E),  0 },
 /*21*/	{ "and",   true,  LONG,  op2(R, E),  0 },
 /*22*/	{ "and",   true,  BYTE,  op2(E, R),  0 },
 /*23*/	{ "and",   true,  LONG,  op2(E, R),  0 },
 /*24*/	{ "and",   false, BYTE,  op2(I, A),  0 },
 /*25*/	{ "and",   false, LONG,  op2(I, A),  0 },
 /*26*/	{ "",      false, NONE,  0,	     0 },
 /*27*/	{ "daa",   false, NONE,  0,	     0 },
 /*28*/	{ "sub",   true,  BYTE,  op2(R, E),  0 },
 /*29*/	{ "sub",   true,  LONG,  op2(R, E),  0 },
 /*2a*/	{ "sub",   true,  BYTE,  op2(E, R),  0 },
 /*2b*/	{ "sub",   true,  LONG,  op2(E, R),  0 },
 /*2c*/	{ "sub",   false, BYTE,  op2(Is, A), 0 },
 /*2d*/	{ "sub",   false, LONG,  op2(Is, A), 0 },
 /*2e*/	{ "",      false, NONE,  0,	     0 },
 /*2f*/	{ "das",   false, NONE,  0,	     0 },
 /*30*/	{ "xor",   true,  BYTE,  op2(R, E),  0 },
 /*31*/	{ "xor",   true,  LONG,  op2(R, E),  0 },
 /*32*/	{ "xor",   true,  BYTE,  op2(E, R),  0 },
 /*33*/	{ "xor",   true,  LONG,  op2(E, R),  0 },
 /*34*/	{ "xor",   false, BYTE,  op2(I, A),  0 },
 /*35*/	{ "xor",   false, LONG,  op2(I, A),  0 },
 /*36*/	{ "",      false, NONE,  0,	     0 },
 /*37*/	{ "aaa",   false, NONE,  0,	     0 },
 /*38*/	{ "cmp",   true,  BYTE,  op2(R, E),  0 },
 /*39*/	{ "cmp",   true,  LONG,  op2(R, E),  0 },
 /*3a*/	{ "cmp",   true,  BYTE,  op2(E, R),  0 },
 /*3b*/	{ "cmp",   true,  LONG,  op2(E, R),  0 },
 /*3c*/	{ "cmp",   false, BYTE,  op2(Is, A), 0 },
 /*3d*/	{ "cmp",   false, LONG,  op2(Is, A), 0 },
 /*3e*/	{ "",      false, NONE,  0,	     0 },
 /*3f*/	{ "aas",   false, NONE,  0,	     0 },
 /*40*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*41*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*42*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*43*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*44*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*45*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*46*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*47*/	{ "inc",   false, LONG,  op1(Ri),    0 },
 /*48*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*49*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*4a*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*4b*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*4c*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*4d*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*4e*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*4f*/	{ "dec",   false, LONG,  op1(Ri),    0 },
 /*50*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*51*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*52*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*53*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*54*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*55*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*56*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*57*/	{ "push",  false, QUAD,  op1(Ri),    0 },
 /*58*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*59*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*5a*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*5b*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*5c*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*5d*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*5e*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*5f*/	{ "pop",   false, QUAD,  op1(Ri),    0 },
 /*60*/	{ "pusha", false, LONG,  0,	     0 },
 /*61*/	{ "popa",  false, LONG,  0,	     0 },
 /*62*/  { "bound", true,  LONG,  op2(E, R),  0 },
 #if 0
 /*63*/	{ "arpl",  true,  NONE,  op2(Ew,Rw), 0 },/* XXX in 32 bit mode */
 #else
 /*63*/	{ "movslq",true,  NONE,  op2(Ed, R), 0 },/* aka MOVSXD, in 64bit mode */
 #endif
 /*64*/	{ "",      false, NONE,  0,	     0 },
 /*65*/	{ "",      false, NONE,  0,	     0 },
 /*66*/	{ "",      false, NONE,  0,	     0 },
 /*67*/	{ "",      false, NONE,  0,	     0 },
 /*68*/	{ "push",  false, LONG,  op1(I),     0 },
 /*69*/  { "imul",  true,  LONG,  op3(I,E,R), 0 },
 /*6a*/	{ "push",  false, LONG,  op1(Ib),    0 },
 /*6b*/  { "imul",  true,  LONG,  op3(Ibs,E,R),0 },
 /*6c*/	{ "ins",   false, BYTE,  op2(DX, DI), 0 },
 /*6d*/	{ "ins",   false, LONG,  op2(DX, DI), 0 },
 /*6e*/	{ "outs",  false, BYTE,  op2(SI, DX), 0 },
 /*6f*/	{ "outs",  false, LONG,  op2(SI, DX), 0 },
 /*70*/	{ "jo",    false, NONE,  op1(Db),     0 },
 /*71*/	{ "jno",   false, NONE,  op1(Db),     0 },
 /*72*/	{ "jb",    false, NONE,  op1(Db),     0 },
 /*73*/	{ "jnb",   false, NONE,  op1(Db),     0 },
 /*74*/	{ "jz",    false, NONE,  op1(Db),     0 },
 /*75*/	{ "jnz",   false, NONE,  op1(Db),     0 },
 /*76*/	{ "jbe",   false, NONE,  op1(Db),     0 },
 /*77*/	{ "jnbe",  false, NONE,  op1(Db),     0 },
 /*78*/	{ "js",    false, NONE,  op1(Db),     0 },
 /*79*/	{ "jns",   false, NONE,  op1(Db),     0 },
 /*7a*/	{ "jp",    false, NONE,  op1(Db),     0 },
 /*7b*/	{ "jnp",   false, NONE,  op1(Db),     0 },
 /*7c*/	{ "jl",    false, NONE,  op1(Db),     0 },
 /*7d*/	{ "jnl",   false, NONE,  op1(Db),     0 },
 /*7e*/	{ "jle",   false, NONE,  op1(Db),     0 },
 /*7f*/	{ "jnle",  false, NONE,  op1(Db),     0 },
 /*80*/  { "",	   true,  BYTE,  op2(I, E),   db_Grp1 },
 /*81*/  { "",	   true,  LONG,  op2(I, E),   db_Grp1 },
 /*82*/  { "",	   true,  BYTE,  op2(Is,E),   db_Grp1 },
 /*83*/  { "",	   true,  LONG,  op2(Ibs,E),  db_Grp1 },
 /*84*/	{ "test",  true,  BYTE,  op2(R, E),   0 },
 /*85*/	{ "test",  true,  LONG,  op2(R, E),   0 },
 /*86*/	{ "xchg",  true,  BYTE,  op2(R, E),   0 },
 /*87*/	{ "xchg",  true,  LONG,  op2(R, E),   0 },
 /*88*/	{ "mov",   true,  BYTE,  op2(R, E),   0 },
 /*89*/	{ "mov",   true,  LONG,  op2(R, E),   0 },
 /*8a*/	{ "mov",   true,  BYTE,  op2(E, R),   0 },
 /*8b*/	{ "mov",   true,  LONG,  op2(E, R),   0 },
 /*8c*/  { "mov",   true,  NONE,  op2(S, Ew),  0 },
 /*8d*/	{ "lea",   true,  LONG,  op2(E, R),   0 },
 /*8e*/	{ "mov",   true,  NONE,  op2(Ew, S),  0 },
 /*8f*/	{ "pop",   true,  LONG,  op1(E),      0 },
 /*90*/	{ "nop",   false, NONE,  0,	      0 },
 /*91*/	{ "xchg",  false, LONG,  op2(A, Ri),  0 },
 /*92*/	{ "xchg",  false, LONG,  op2(A, Ri),  0 },
 /*93*/	{ "xchg",  false, LONG,  op2(A, Ri),  0 },
 /*94*/	{ "xchg",  false, LONG,  op2(A, Ri),  0 },
 /*95*/	{ "xchg",  false, LONG,  op2(A, Ri),  0 },
 /*96*/	{ "xchg",  false, LONG,  op2(A, Ri),  0 },
 /*97*/	{ "xchg",  false, LONG,  op2(A, Ri),  0 },
 /*98*/	{ "cbw",   false, SDEP,  0,	      "cwde" },	/* cbw/cwde */
 /*99*/	{ "cwd",   false, SDEP,  0,	      "cdq"  },	/* cwd/cdq */
 /*9a*/	{ "lcall", false, NONE,  op1(OS),     0 },
 /*9b*/	{ "wait",  false, NONE,  0,	      0 },
 /*9c*/	{ "pushf", false, LONG,  0,	      0 },
 /*9d*/	{ "popf",  false, LONG,  0,	      0 },
 /*9e*/	{ "sahf",  false, NONE,  0,	      0 },
 /*9f*/	{ "lahf",  false, NONE,  0,	      0 },
 /*a0*/	{ "mov",   false, BYTE,  op2(O, A),   0 },
 /*a1*/	{ "mov",   false, LONG,  op2(O, A),   0 },
 /*a2*/	{ "mov",   false, BYTE,  op2(A, O),   0 },
 /*a3*/	{ "mov",   false, LONG,  op2(A, O),   0 },
 /*a4*/	{ "movs",  false, BYTE,  op2(SI,DI),  0 },
 /*a5*/	{ "movs",  false, LONG,  op2(SI,DI),  0 },
 /*a6*/	{ "cmps",  false, BYTE,  op2(SI,DI),  0 },
 /*a7*/	{ "cmps",  false, LONG,  op2(SI,DI),  0 },
 /*a8*/	{ "test",  false, BYTE,  op2(I, A),   0 },
 /*a9*/	{ "test",  false, LONG,  op2(I, A),   0 },
 /*aa*/	{ "stos",  false, BYTE,  op1(DI),     0 },
 /*ab*/	{ "stos",  false, LONG,  op1(DI),     0 },
 /*ac*/	{ "lods",  false, BYTE,  op1(SI),     0 },
 /*ad*/	{ "lods",  false, LONG,  op1(SI),     0 },
 /*ae*/	{ "scas",  false, BYTE,  op1(SI),     0 },
 /*af*/	{ "scas",  false, LONG,  op1(SI),     0 },
 /*b0*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b1*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b2*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b3*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b4*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b5*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b6*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b7*/	{ "mov",   false, BYTE,  op2(I, Ri),  0 },
 /*b8*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*b9*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*ba*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*bb*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*bc*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*bd*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*be*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*bf*/	{ "mov",   false, LONG,  op2(Iq, Ri),  0 },
 /*c0*/	{ "",	   true,  BYTE,  op2(Ib, E),  db_Grp2 },
 /*c1*/	{ "",	   true,  LONG,  op2(Ib, E),  db_Grp2 },
 /*c2*/	{ "ret",   false, NONE,  op1(Iw),     0 },
 /*c3*/	{ "ret",   false, NONE,  0,	      0 },
 /*c4*/	{ "les",   true,  LONG,  op2(E, R),   0 },
 /*c5*/	{ "lds",   true,  LONG,  op2(E, R),   0 },
 /*c6*/	{ "mov",   true,  BYTE,  op2(I, E),   0 },
 /*c7*/	{ "mov",   true,  LONG,  op2(I, E),   0 },
 /*c8*/	{ "enter", false, NONE,  op2(Ib, Iw), 0 },
 /*c9*/	{ "leave", false, NONE,  0,           0 },
 /*ca*/	{ "lret",  false, NONE,  op1(Iw),     0 },
 /*cb*/	{ "lret",  false, NONE,  0,	      0 },
 /*cc*/	{ "int",   false, NONE,  op1(o3),     0 },
 /*cd*/	{ "int",   false, NONE,  op1(Ib),     0 },
 /*ce*/	{ "into",  false, NONE,  0,	      0 },
 /*cf*/	{ "iret",  false, NONE,  0,	      0 },
 /*d0*/	{ "",	   true,  BYTE,  op2(o1, E),  db_Grp2 },
 /*d1*/	{ "",	   true,  LONG,  op2(o1, E),  db_Grp2 },
 /*d2*/	{ "",	   true,  BYTE,  op2(CL, E),  db_Grp2 },
 /*d3*/	{ "",	   true,  LONG,  op2(CL, E),  db_Grp2 },
 /*d4*/	{ "aam",   true,  NONE,  0,	      0 },
 /*d5*/	{ "aad",   true,  NONE,  0,	      0 },
 /*d6*/	{ "",      false, NONE,  0,	      0 },
 /*d7*/	{ "xlat",  false, BYTE,  op1(BX),     0 },
 /*d8*/  { "",      true,  NONE,  0,	      db_Esc8 },
 /*d9*/  { "",      true,  NONE,  0,	      db_Esc9 },
 /*da*/  { "",      true,  NONE,  0,	      db_Esca },
 /*db*/  { "",      true,  NONE,  0,	      db_Escb },
 /*dc*/  { "",      true,  NONE,  0,	      db_Escc },
 /*dd*/  { "",      true,  NONE,  0,	      db_Escd },
 /*de*/  { "",      true,  NONE,  0,	      db_Esce },
 /*df*/  { "",      true,  NONE,  0,	      db_Escf },
 /*e0*/	{ "loopne",false, NONE,  op1(Db),     0 },
 /*e1*/	{ "loope", false, NONE,  op1(Db),     0 },
 /*e2*/	{ "loop",  false, NONE,  op1(Db),     0 },
 /*e3*/	{ "jcxz",  false, SDEP,  op1(Db),     "jecxz" },
 /*e4*/	{ "in",    false, BYTE,  op2(Ib, A),  0 },
 /*e5*/	{ "in",    false, LONG,  op2(Ib, A) , 0 },
 /*e6*/	{ "out",   false, BYTE,  op2(A, Ib),  0 },
 /*e7*/	{ "out",   false, LONG,  op2(A, Ib) , 0 },
 /*e8*/	{ "call",  false, NONE,  op1(Dl),     0 },
 /*e9*/	{ "jmp",   false, NONE,  op1(Dl),     0 },
 /*ea*/	{ "ljmp",  false, NONE,  op1(OS),     0 },
 /*eb*/	{ "jmp",   false, NONE,  op1(Db),     0 },
 /*ec*/	{ "in",    false, BYTE,  op2(DX, A),  0 },
 /*ed*/	{ "in",    false, LONG,  op2(DX, A) , 0 },
 /*ee*/	{ "out",   false, BYTE,  op2(A, DX),  0 },
 /*ef*/	{ "out",   false, LONG,  op2(A, DX) , 0 },
 /*f0*/	{ "",      false, NONE,  0,	     0 },
 /*f1*/	{ "",      false, NONE,  0,	     0 },
 /*f2*/	{ "",      false, NONE,  0,	     0 },
 /*f3*/	{ "",      false, NONE,  0,	     0 },
 /*f4*/	{ "hlt",   false, NONE,  0,	     0 },
 /*f5*/	{ "cmc",   false, NONE,  0,	     0 },
 /*f6*/	{ "",      true,  BYTE,  0,	     db_Grp3 },
 /*f7*/	{ "",	   true,  LONG,  0,	     db_Grp3 },
 /*f8*/	{ "clc",   false, NONE,  0,	     0 },
 /*f9*/	{ "stc",   false, NONE,  0,	     0 },
 /*fa*/	{ "cli",   false, NONE,  0,	     0 },
 /*fb*/	{ "sti",   false, NONE,  0,	     0 },
 /*fc*/	{ "cld",   false, NONE,  0,	     0 },
 /*fd*/	{ "std",   false, NONE,  0,	     0 },
 /*fe*/	{ "",	   true,  NONE,  0,	     db_Grp4 },
 /*ff*/	{ "",	   true,  NONE,  0,	     db_Grp5 },
 };
 const struct inst db_bad_inst =
 	{ "???",   false, NONE,  0,	      0 }
+;
 #define	f_mod(rex, byte)	((byte)>>6)
 #define	f_reg(rex, byte)	((((byte)>>3)&0x7) | (rex & REX_R ? 0x8 : 0x0))
 #define	f_rm(rex, byte)		(((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0))
 #define	sib_ss(rex, byte)	((byte)>>6)
 #define	sib_index(rex, byte)	((((byte)>>3)&0x7) | (rex & REX_X ? 0x8 : 0x0))
 #define	sib_base(rex, byte)	(((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0))
 struct i_addr {
 	int		is_reg;	/* if reg, reg number is in 'disp' */
 	int		disp;
 	const char *	base;
 	const char *	index;
 	int		ss;
 };
 const char * const db_index_reg_32[8] = {
 	"%ebx,%esi",
 	"%ebx,%edi",
 	"%ebp,%esi",
 	"%ebp,%edi",
 	"%esi",
 	"%edi",
 	"%ebp",
 	"%ebx"
 };
 #define DB_REG_DFLT	0
 #define DB_REG_REX	1
 const char * const db_reg[2][4][16] = {
 	{{"%al",  "%cl",  "%dl",  "%bl",  "%ah",  "%ch",  "%dh",  "%bh",
 	  "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"},
 	 {"%ax",  "%cx",  "%dx",  "%bx",  "%sp",  "%bp",  "%si",  "%di",
 	  "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"},
 	 {"%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
 	  "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"},
 	 {"%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
 	  "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }},
 	{{"%al",  "%cl",  "%dl",  "%bl",  "%spl",  "%bpl",  "%sil",  "%dil",
 	  "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"},
 	 {"%ax",  "%cx",  "%dx",  "%bx",  "%sp",  "%bp",  "%si",  "%di",
 	  "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" },
 	 {"%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
 	  "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" },
 	 {"%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
 	  "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }}
 };
 const char * const db_seg_reg[8] = {
 	"%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", ""
 };
 /*
  * lengths for size attributes
  */
 const int db_lengths[] = {
 ,	/* BYTE */
 ,	/* WORD */
 ,	/* LONG */
 ,	/* QUAD - 64bit immediates are done by Iq */
 ,	/* SNGL */
 ,	/* DBLR */
 ,	/* EXTR */
 };
 const char * const rex_str[0x10] = {
 	"rex      ",    /* 0x40 */
 	"rex.b    ",    /* 0x41 */
 	"rex.x    ",    /* 0x42 */
 	"rex.xb   ",    /* 0x43 */
 	"rex.r    ",    /* 0x44 */
 	"rex.rb   ",    /* 0x45 */
 	"rex.rx   ",    /* 0x46 */
 	"rex.rxb  ",    /* 0x47 */
 	"rex.w    ",    /* 0x48 */
 	"rex.wb   ",    /* 0x49 */
 	"rex.wx   ",    /* 0x4a */
 	"rex.wxb  ",    /* 0x4b */
 	"rex.wr   ",    /* 0x4c */
 	"rex.wrb  ",    /* 0x4d */
 	"rex.wrx  ",    /* 0x4e */
 	"rex.wrxb ",    /* 0x4f */
 };
 #define	get_value_inc(result, loc, size, is_signed) \
 	do { \
 		result = db_get_value((loc), (size), (is_signed)); \
 		(loc) += (size); \
 	} while (0)
 db_addr_t db_read_address(db_addr_t, int, u_int, int, struct i_addr *);
 void db_print_address(const char *, u_int, int, struct i_addr *);
 db_addr_t db_disasm_esc(db_addr_t, int, u_int, int, int, const char *);
 /*
  * Read address at location and return updated location.
  */
 db_addr_t
 db_read_address(db_addr_t loc, int short_addr, u_int rex, int regmodrm,
     struct i_addr *addrp)
 	/* addrp:		 out */
+{
 	int		mod, rm, sib, index, disp, size, have_sib;
 	size = (short_addr ? LONG : QUAD);
 	mod = f_mod(rex, regmodrm);
 	rm  = f_rm(rex, regmodrm);
 	if (mod == 3) {
 		addrp->is_reg = true;
 		addrp->disp = rm;
 		return (loc);
+	}
 	addrp->is_reg = false;
 	addrp->index = 0;
 	if ((rm & 0x7) == 4) {
 		get_value_inc(sib, loc, 1, false);
 		rm = sib_base(rex, sib);
 		index = sib_index(rex, sib);
 		if (index != 4)
 			addrp->index = db_reg[1][size][index];
 		addrp->ss = sib_ss(rex, sib);
 		have_sib = 1;
 	} else
 		have_sib = 0;
 	switch (mod) {
 	case 0:
 		if (rm == 5) {
 			get_value_inc(addrp->disp, loc, 4, false);
 			if (have_sib)
 				addrp->base = 0;
 			else if (short_addr)
 				addrp->base = "%eip";
 			else
 				addrp->base = "%rip";
 		} else {
 			addrp->disp = 0;
 			addrp->base = db_reg[1][size][rm];
+		}
 		break;
 	case 1:
 		get_value_inc(disp, loc, 1, true);
 		addrp->disp = disp;
 		addrp->base = db_reg[1][size][rm];
 		break;
 	case 2:
 		get_value_inc(disp, loc, 4, false);
 		addrp->disp = disp;
 		addrp->base = db_reg[1][size][rm];
 		break;
+	}
 	return (loc);
+}
 void
 db_print_address(const char * seg, u_int rex, int size, struct i_addr *addrp)
+{
 	if (addrp->is_reg) {
 		int ext = ((rex & REX_B) != 0);
 		db_printf("%s", db_reg[ext][size][addrp->disp]);
 		return;
+	}
 	if (seg)
 		db_printf("%s:", seg);
 	db_printsym((db_addr_t)addrp->disp, DB_STGY_ANY, db_printf);
 	if (addrp->base != 0 || addrp->index != 0) {
 		db_printf("(");
 		if (addrp->base)
 			db_printf("%s", addrp->base);
 		if (addrp->index)
 			db_printf(",%s,%d", addrp->index, 1<<addrp->ss);
 		db_printf(")");
+	}
+}
 /*
  * Disassemble floating-point ("escape") instruction
  * and return updated location.
  */
 db_addr_t
 db_disasm_esc(db_addr_t loc, int inst, u_int rex, int short_addr, int size,
     const char * seg)
+{
 	int		regmodrm;
 	const struct finst	*fp;
 	int		mod;
 	struct i_addr	address;
 	const char *	name;
 	get_value_inc(regmodrm, loc, 1, false);
 	fp = &db_Esc_inst[inst - 0xd8][f_reg(rex, regmodrm)];
 	mod = f_mod(rex, regmodrm);
 	if (mod != 3) {
 		if (*fp->f_name == '\0') {
 			db_printf("<bad instruction>");
 			return (loc);
+		}
 		/*
 		 * Normal address modes.
 		 */
 		loc = db_read_address(loc, short_addr, rex, regmodrm, &address);
 		db_printf("%s", fp->f_name);
 		switch (fp->f_size) {
 		case SNGL:
 			db_printf("s");
 			break;
 		case DBLR:
 			db_printf("l");
 			break;
 		case EXTR:
 			db_printf("t");
 			break;
 		case WORD:
 			db_printf("s");
 			break;
 		case LONG:
 			db_printf("l");
 			break;
 		case QUAD:
 			db_printf("q");
 			break;
 		default:
 			break;
+		}
 		db_printf("\t");
 		db_print_address(seg, rex, BYTE, &address);
 	} else {
 		/*
 		 * 'reg-reg' - special formats
 		 */
 		switch (fp->f_rrmode) {
 		case op2(ST,STI):
 			name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
 			db_printf("%s\t%%st,%%st(%d)", name, f_rm(rex, regmodrm));
 			break;
 		case op2(STI,ST):
 			name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
 			db_printf("%s\t%%st(%d),%%st", name, f_rm(rex, regmodrm));
 			break;
 		case op1(STI):
 			name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
 			db_printf("%s\t%%st(%d)", name, f_rm(rex, regmodrm));
 			break;
 		case op1(X):
 			name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)];
 			if (*name == '\0')
 				goto bad;
 			db_printf("%s", name);
 			break;
 		case op1(XA):
 			name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)];
 			if (*name == '\0')
 				goto bad;
 			db_printf("%s\t%%ax", name);
 			break;
 		default:
 		bad:
 			db_printf("<bad instruction>");
 			break;
+		}
+	}
 	return (loc);
+}
 /*
  * Disassemble instruction at 'loc'.  'altfmt' specifies an
  * (optional) alternate format.  Return address of start of
  * next instruction.
  */
 db_addr_t
 db_disasm(db_addr_t loc, bool altfmt)
+{
 	int	inst;
 	int	size;
 	int	short_addr;
 	const char *seg;
 	const struct inst *ip;
 	const char *i_name;
 	int	i_size;
 	int	i_mode;
 	int	regmodrm = 0;
 	bool	first;
 	int	displ;
 	int	prefix;
 	int	imm;
 	int	imm2;
 	uint64_t imm64;
 	int	len;
 	struct i_addr	address;
 #ifdef _KERNEL
 	pt_entry_t *pte, *pde;
 #endif
 	u_int	rex = 0;
 #ifdef _KERNEL
 	/*
 	 * Don't try to disassemble the location if the mapping is invalid.
 	 * If we do, we'll fault, and end up debugging the debugger!
 	 * in the case of largepages, "pte" is really the pde and "pde" is
 	 * really the entry for the pdp itself.
 	 */
 	if ((vaddr_t)loc >= VM_MIN_KERNEL_ADDRESS)
 		pte = kvtopte((vaddr_t)loc);
 	else
 		pte = vtopte((vaddr_t)loc);
 	pde = vtopte((vaddr_t)pte);
 	if ((*pde & PG_V) == 0 || (*pte & PG_V) == 0) {
 		db_printf("invalid address\n");
 		return (loc);
+	}
 #endif
 	get_value_inc(inst, loc, 1, false);
 	short_addr = false;
 	size = LONG;
 	seg = 0;
 	/*
 	 * Get prefixes
 	 */
 	prefix = true;
 	do {
 		switch (inst) {
 		case 0x66:		/* data16 */
 			size = WORD;
 			break;
 		case 0x67:
 			short_addr = true;
 			break;
 		case 0x26:
 			seg = "%es";
 			break;
 		case 0x36:
 			seg = "%ss";
 			break;
 		case 0x2e:
 			seg = "%cs";
 			break;
 		case 0x3e:
 			seg = "%ds";
 			break;
 		case 0x64:
 			seg = "%fs";
 			break;
 		case 0x65:
 			seg = "%gs";
 			break;
 		case 0xf0:
 			db_printf("lock ");
 			break;
 		case 0xf2:
 			db_printf("repne ");
 			break;
 		case 0xf3:
 			db_printf("repe ");	/* XXX repe VS rep */
 			break;
 		default:
 			prefix = false;
 			break;
+		}
 		if (inst >= 0x40 && inst <= 0x4f) {
 			rex = inst;
 			prefix = true;
+		}
 		if (prefix)
 			get_value_inc(inst, loc, 1, false);
 	} while (prefix);
 	if (rex != 0) {
 		if (rex & REX_W)
 			size = QUAD;
 		if (altfmt == true)				/* XXX */
 			db_printf("%s", rex_str[rex & 0x0f]);
+	}
 	if (inst >= 0xd8 && inst <= 0xdf) {
 		loc = db_disasm_esc(loc, inst, rex, short_addr, size, seg);
 		db_printf("\n");
 		return (loc);
+	}
 	if (inst == 0x0f) {
 		get_value_inc(inst, loc, 1, false);
 		ip = db_inst_0f[inst>>4];
 		if (ip == 0)
 			ip = &db_bad_inst;
 		else
 			ip = &ip[inst&0xf];
 	} else {
 		ip = &db_inst_table[inst];
+	}
 	if (ip->i_has_modrm) {
 		get_value_inc(regmodrm, loc, 1, false);
 		loc = db_read_address(loc, short_addr, rex, regmodrm, &address);
+	}
 	i_name = ip->i_name;
 	i_size = ip->i_size;
 	i_mode = ip->i_mode;
 	if (ip->i_extra == db_Grp9 && f_mod(rex, regmodrm) == 3) {
 		ip = &db_Grp9b[f_reg(rex, regmodrm)];
 		i_name = ip->i_name;
 		i_size = ip->i_size;
 		i_mode = ip->i_mode;
 	} else if (ip->i_extra == (const char *)db_Grp1 ||
 	    ip->i_extra == (const char *)db_Grp2 ||
 	    ip->i_extra == (const char *)db_Grp6 ||
 	    ip->i_extra == (const char *)db_Grp7 ||
 	    ip->i_extra == (const char *)db_Grp8 ||
 	    ip->i_extra == (const char *)db_Grp9) {
 		if (ip->i_extra == (const char *)db_Grp7 && regmodrm == 0xf8) {
 			i_name = "swapgs";
 			i_mode = 0;
 		} else if (ip->i_extra == (const char *)db_Grp7 && regmodrm == 0xcb) {
 			i_name = "stac";
 			i_mode = 0;
 		} else if (ip->i_extra == (const char *)db_Grp7 && regmodrm == 0xca) {
 			i_name = "clac";
 			i_mode = 0;
 		} else {
 			i_name = ((const char * const *)ip->i_extra)
 			    [f_reg(rex, regmodrm)];
+		}
 	} else if (ip->i_extra == (const char *)db_Grp3) {
 		ip = (const struct inst *)ip->i_extra;
 		ip = &ip[f_reg(rex, regmodrm)];
 		i_name = ip->i_name;
 		i_mode = ip->i_mode;
 	} else if (ip->i_extra == (const char *)db_Grp4 ||
 	    ip->i_extra == (const char *)db_Grp5) {
 		ip = (const struct inst *)ip->i_extra;
 		ip = &ip[f_reg(rex, regmodrm)];
 		i_name = ip->i_name;
 		i_mode = ip->i_mode;
 		i_size = ip->i_size;
+	}
 	if (i_size == SDEP) {
 		if (size == LONG)
 			db_printf("%s", i_name);
 		else
 			db_printf("%s", (const char *)ip->i_extra);
 	} else {
 		db_printf("%s", i_name);
 		if (i_size != NONE) {
 			if (i_size == BYTE) {
 				db_printf("b");
 				size = BYTE;
 			} else if (i_size == WORD) {
 				db_printf("w");
 				size = WORD;
 			} else if (size == WORD) {
 				db_printf("w");
 			} else if (i_size == QUAD) {
 				db_printf("q");
 				size = QUAD;
 			} else if (size == QUAD) {
 				db_printf("q");
 			} else {
 				db_printf("l");
+			}
+		}
+	}
 	db_printf("\t");
 	for (first = true; i_mode != 0; i_mode >>= 8, first = false) {
 		char tbuf[24];
 		if (!first)
 			db_printf(",");
 		switch (i_mode & 0xFF) {
 		case E:
 			db_print_address(seg, rex, size, &address);
 			break;
 		case Eind:
 			db_printf("*");
 			db_print_address(seg, rex, size, &address);
 			break;
 		case Ed:
 			db_print_address(seg, rex, LONG, &address);
 			break;
 		case Ew:
 			db_print_address(seg, rex, WORD, &address);
 			break;
 		case Eb:
 			db_print_address(seg, rex, BYTE, &address);
 			break;
 		case R: {
 			int ext = ((rex & REX_R) != 0);
 			db_printf("%s", db_reg[ext][size][f_reg(rex, regmodrm)]);
 			break;
+		    }
 		case Rw: {
 			int ext = ((rex & REX_R) != 0);
 			db_printf("%s", db_reg[ext][WORD][f_reg(rex, regmodrm)]);
 			break;
+		    }
 		case Ri: {
 			db_printf("%s", db_reg[0][size][f_rm(rex, inst)]);
 			break;
+		    }
 		case S:
 			db_printf("%s", db_seg_reg[f_reg(rex, regmodrm)]);
 			break;
 		case Si:
 			db_printf("%s", db_seg_reg[f_reg(rex, inst)]);
 			break;
 		case A:
 			db_printf("%s", db_reg[0][size][0]);	/* acc */
 			break;
 		case BX:
 			if (seg)
 				db_printf("%s:", seg);
 			db_printf("(%s)", short_addr ? "%ebx" : "%rbx");
 			break;
 		case CL:
 			db_printf("%%cl");
 			break;
 		case DX:
 			db_printf("%%dx");
 			break;
 		case SI:
 			if (seg)
 				db_printf("%s:", seg);
 			db_printf("(%s)", short_addr ? "%esi" : "%rsi");
 			break;
 		case DI:
 			db_printf("%%es:(%s)", short_addr ? "%edi" : "%rdi");
 			break;
 		case CR:
 			db_printf("%%cr%d", f_reg(rex, regmodrm));
 			break;
 		case DR:
 			db_printf("%%dr%d", f_reg(rex, regmodrm));
 			break;
 		case TR:
 			db_printf("%%tr%d", f_reg(rex, regmodrm));
 			break;
 		case Iq:
 			if (size == QUAD) {
 				get_value_inc(imm64, loc, 8, false);
 				db_format_radix(tbuf, 24, imm64, true);
 				db_printf("$%s", tbuf);
 				break;
+			}
 		case I:
 			len = db_lengths[size];
 			get_value_inc(imm, loc, len, false);/* unsigned */
 			db_format_radix(tbuf, 24, (unsigned int)imm, true);
 			db_printf("$%s", tbuf);
 			break;
 		case Is:
 			len = db_lengths[size];
 			get_value_inc(imm, loc, len, true);	/* signed */
 			db_format_radix(tbuf, 24, imm, true);
 			db_printf("$%s", tbuf);
 			break;
 		case Ib:
 			get_value_inc(imm, loc, 1, false);	/* unsigned */
 			db_format_radix(tbuf, 24, (unsigned int)imm, true);
 			db_printf("$%s", tbuf);
 			break;
 		case Ibs:
 			get_value_inc(imm, loc, 1, true);	/* signed */
 			db_format_radix(tbuf, 24, imm, true);
 			db_printf("$%s", tbuf);
 			break;
 		case Iw:
 			get_value_inc(imm, loc, 2, false);	/* unsigned */
 			db_format_radix(tbuf, 24, (unsigned int)imm, true);
 			db_printf("$%s", tbuf);
 			break;
 		case Il:
 			get_value_inc(imm, loc, 4, false);
 			db_format_radix(tbuf, 24, (unsigned int)imm, true);
 			db_printf("$%s", tbuf);
 			break;
 		case O:   /* Only move %eax to/from absolute address */
 			if (short_addr)
 				get_value_inc(imm64, loc, 2, true);
 			else
 				get_value_inc(imm64, loc, 8, true);
 			if (seg) {
 				db_format_radix(tbuf, 24, imm64, true);
 				db_printf("%s:%s", seg, tbuf);
 			} else
 				db_printsym((db_addr_t)imm64, DB_STGY_ANY,
 				    db_printf);
 			break;
 		case Db:
 			get_value_inc(displ, loc, 1, true);
 			db_printsym((db_addr_t)(displ + loc), DB_STGY_XTRN,
 			    db_printf);
 			break;
 		case Dl:
 			get_value_inc(displ, loc, 4, true);
 			db_printsym((db_addr_t)(displ + loc), DB_STGY_XTRN,
 			    db_printf);
 			break;
 		case o1:
 			db_printf("$1");
 			break;
 		case o3:
 			db_printf("$3");
 			break;
 		case OS:
 			get_value_inc(imm, loc, 4, false);	/* offset */
 			db_format_radix(tbuf, 24, (unsigned int)imm, true);
 			db_printf("$%s", tbuf);
 			get_value_inc(imm2, loc, 2, false);	/* segment */
 			db_format_radix(tbuf, 24, (unsigned int)imm2, true);
 			db_printf(",%s", tbuf);
 			break;
+		}
+	}
 	db_printf("\n");
 	return (loc);
+}