i386.h

这个是LINUX下的GDB调度工具的源码

{"fsub",   1, 0xd8e0, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
#if SYSV386_COMPAT
/* alias for fsubp */
{"fsub",   0, 0xdee1, X, 0,	 FP|Ugh,		{ 0, 0, 0} },
#endif
{"fsub",   1,	0xd8, 4, 0,	 sl_FP|FloatMF|Modrm,	{ LongMem|LLongMem, 0, 0} },
{"fisub",  1,	0xde, 4, 0,	 sl_FP|FloatMF|Modrm,	{ ShortMem|LongMem, 0, 0} },

#if SYSV386_COMPAT
{"fsubp",  2, 0xdee0, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fsubp",  1, 0xdee0, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fsubp",  0, 0xdee1, X, 0,	 FP,			{ 0, 0, 0} },
#if OLDGCC_COMPAT
{"fsubp",  2, 0xdee0, X, 0,	 FP|ShortForm|Ugh,	{ FloatReg, FloatAcc, 0} },
#endif
#else
{"fsubp",  2, 0xdee8, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fsubp",  1, 0xdee8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fsubp",  0, 0xdee9, X, 0,	 FP,			{ 0, 0, 0} },
#endif

/* subtract reverse */
{"fsubr",  2, 0xd8e8, X, 0,	 FP|ShortForm|FloatDR,	{ FloatReg, FloatAcc, 0} },
{"fsubr",  1, 0xd8e8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
#if SYSV386_COMPAT
/* alias for fsubrp */
{"fsubr",  0, 0xdee9, X, 0,	 FP|Ugh,		{ 0, 0, 0} },
#endif
{"fsubr",  1,	0xd8, 5, 0,	 sl_FP|FloatMF|Modrm,	{ LongMem|LLongMem, 0, 0} },
{"fisubr", 1,	0xde, 5, 0,	 sl_FP|FloatMF|Modrm,	{ ShortMem|LongMem, 0, 0} },

#if SYSV386_COMPAT
{"fsubrp", 2, 0xdee8, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fsubrp", 1, 0xdee8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fsubrp", 0, 0xdee9, X, 0,	 FP,			{ 0, 0, 0} },
#if OLDGCC_COMPAT
{"fsubrp", 2, 0xdee8, X, 0,	 FP|ShortForm|Ugh,	{ FloatReg, FloatAcc, 0} },
#endif
#else
{"fsubrp", 2, 0xdee0, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fsubrp", 1, 0xdee0, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fsubrp", 0, 0xdee1, X, 0,	 FP,			{ 0, 0, 0} },
#endif

/* multiply */
{"fmul",   2, 0xd8c8, X, 0,	 FP|ShortForm|FloatD,	{ FloatReg, FloatAcc, 0} },
{"fmul",   1, 0xd8c8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
#if SYSV386_COMPAT
/* alias for fmulp */
{"fmul",   0, 0xdec9, X, 0,	 FP|Ugh,		{ 0, 0, 0} },
#endif
{"fmul",   1,	0xd8, 1, 0,	 sl_FP|FloatMF|Modrm,	{ LongMem|LLongMem, 0, 0} },
{"fimul",  1,	0xde, 1, 0,	 sl_FP|FloatMF|Modrm,	{ ShortMem|LongMem, 0, 0} },

{"fmulp",  2, 0xdec8, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fmulp",  1, 0xdec8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fmulp",  0, 0xdec9, X, 0,	 FP,			{ 0, 0, 0} },
{"fmulp",  2, 0xdec8, X, 0,	 FP|ShortForm|Ugh,	{ FloatReg, FloatAcc, 0} },

/* divide */
{"fdiv",   2, 0xd8f0, X, 0,	 FP|ShortForm|FloatDR,	{ FloatReg, FloatAcc, 0} },
{"fdiv",   1, 0xd8f0, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
#if SYSV386_COMPAT
/* alias for fdivp */
{"fdiv",   0, 0xdef1, X, 0,	 FP|Ugh,		{ 0, 0, 0} },
#endif
{"fdiv",   1,	0xd8, 6, 0,	 sl_FP|FloatMF|Modrm,	{ LongMem|LLongMem, 0, 0} },
{"fidiv",  1,	0xde, 6, 0,	 sl_FP|FloatMF|Modrm,	{ ShortMem|LongMem, 0, 0} },

#if SYSV386_COMPAT
{"fdivp",  2, 0xdef0, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fdivp",  1, 0xdef0, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fdivp",  0, 0xdef1, X, 0,	 FP,			{ 0, 0, 0} },
#if OLDGCC_COMPAT
{"fdivp",  2, 0xdef0, X, 0,	 FP|ShortForm|Ugh,	{ FloatReg, FloatAcc, 0} },
#endif
#else
{"fdivp",  2, 0xdef8, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fdivp",  1, 0xdef8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fdivp",  0, 0xdef9, X, 0,	 FP,			{ 0, 0, 0} },
#endif

/* divide reverse */
{"fdivr",  2, 0xd8f8, X, 0,	 FP|ShortForm|FloatDR,	{ FloatReg, FloatAcc, 0} },
{"fdivr",  1, 0xd8f8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
#if SYSV386_COMPAT
/* alias for fdivrp */
{"fdivr",  0, 0xdef9, X, 0,	 FP|Ugh,		{ 0, 0, 0} },
#endif
{"fdivr",  1,	0xd8, 7, 0,	 sl_FP|FloatMF|Modrm,	{ LongMem|LLongMem, 0, 0} },
{"fidivr", 1,	0xde, 7, 0,	 sl_FP|FloatMF|Modrm,	{ ShortMem|LongMem, 0, 0} },

#if SYSV386_COMPAT
{"fdivrp", 2, 0xdef8, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fdivrp", 1, 0xdef8, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fdivrp", 0, 0xdef9, X, 0,	 FP,			{ 0, 0, 0} },
#if OLDGCC_COMPAT
{"fdivrp", 2, 0xdef8, X, 0,	 FP|ShortForm|Ugh,	{ FloatReg, FloatAcc, 0} },
#endif
#else
{"fdivrp", 2, 0xdef0, X, 0,	 FP|ShortForm,		{ FloatAcc, FloatReg, 0} },
{"fdivrp", 1, 0xdef0, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
{"fdivrp", 0, 0xdef1, X, 0,	 FP,			{ 0, 0, 0} },
#endif

{"f2xm1",  0, 0xd9f0, X, 0,	 FP,			{ 0, 0, 0} },
{"fyl2x",  0, 0xd9f1, X, 0,	 FP,			{ 0, 0, 0} },
{"fptan",  0, 0xd9f2, X, 0,	 FP,			{ 0, 0, 0} },
{"fpatan", 0, 0xd9f3, X, 0,	 FP,			{ 0, 0, 0} },
{"fxtract",0, 0xd9f4, X, 0,	 FP,			{ 0, 0, 0} },
{"fprem1", 0, 0xd9f5, X, Cpu286, FP,			{ 0, 0, 0} },
{"fdecstp",0, 0xd9f6, X, 0,	 FP,			{ 0, 0, 0} },
{"fincstp",0, 0xd9f7, X, 0,	 FP,			{ 0, 0, 0} },
{"fprem",  0, 0xd9f8, X, 0,	 FP,			{ 0, 0, 0} },
{"fyl2xp1",0, 0xd9f9, X, 0,	 FP,			{ 0, 0, 0} },
{"fsqrt",  0, 0xd9fa, X, 0,	 FP,			{ 0, 0, 0} },
{"fsincos",0, 0xd9fb, X, Cpu286, FP,			{ 0, 0, 0} },
{"frndint",0, 0xd9fc, X, 0,	 FP,			{ 0, 0, 0} },
{"fscale", 0, 0xd9fd, X, 0,	 FP,			{ 0, 0, 0} },
{"fsin",   0, 0xd9fe, X, Cpu286, FP,			{ 0, 0, 0} },
{"fcos",   0, 0xd9ff, X, Cpu286, FP,			{ 0, 0, 0} },
{"fchs",   0, 0xd9e0, X, 0,	 FP,			{ 0, 0, 0} },
{"fabs",   0, 0xd9e1, X, 0,	 FP,			{ 0, 0, 0} },

/* processor control */
{"fninit", 0, 0xdbe3, X, 0,	 FP,			{ 0, 0, 0} },
{"finit",  0, 0xdbe3, X, 0,	 FP|FWait,		{ 0, 0, 0} },
{"fldcw",  1,	0xd9, 5, 0,	 FP|Modrm,		{ ShortMem, 0, 0} },
{"fnstcw", 1,	0xd9, 7, 0,	 FP|Modrm,		{ ShortMem, 0, 0} },
{"fstcw",  1,	0xd9, 7, 0,	 FP|FWait|Modrm,	{ ShortMem, 0, 0} },
{"fnstsw", 1, 0xdfe0, X, 0,	 FP,			{ Acc, 0, 0} },
{"fnstsw", 1,	0xdd, 7, 0,	 FP|Modrm,		{ ShortMem, 0, 0} },
{"fnstsw", 0, 0xdfe0, X, 0,	 FP,			{ 0, 0, 0} },
{"fstsw",  1, 0xdfe0, X, 0,	 FP|FWait,		{ Acc, 0, 0} },
{"fstsw",  1,	0xdd, 7, 0,	 FP|FWait|Modrm,	{ ShortMem, 0, 0} },
{"fstsw",  0, 0xdfe0, X, 0,	 FP|FWait,		{ 0, 0, 0} },
{"fnclex", 0, 0xdbe2, X, 0,	 FP,			{ 0, 0, 0} },
{"fclex",  0, 0xdbe2, X, 0,	 FP|FWait,		{ 0, 0, 0} },
/* Short forms of fldenv, fstenv use data size prefix.  */
{"fnstenv",1,	0xd9, 6, 0,	 sl_Suf|Modrm,		{ LLongMem, 0, 0} },
{"fstenv", 1,	0xd9, 6, 0,	 sl_Suf|FWait|Modrm,	{ LLongMem, 0, 0} },
{"fldenv", 1,	0xd9, 4, 0,	 sl_Suf|Modrm,		{ LLongMem, 0, 0} },
{"fnsave", 1,	0xdd, 6, 0,	 sl_Suf|Modrm,		{ LLongMem, 0, 0} },
{"fsave",  1,	0xdd, 6, 0,	 sl_Suf|FWait|Modrm,	{ LLongMem, 0, 0} },
{"frstor", 1,	0xdd, 4, 0,	 sl_Suf|Modrm,		{ LLongMem, 0, 0} },

{"ffree",  1, 0xddc0, X, 0,	 FP|ShortForm,		{ FloatReg, 0, 0} },
/* P6:free st(i), pop st */
{"ffreep", 1, 0xdfc0, X, Cpu686, FP|ShortForm,		{ FloatReg, 0, 0} },
{"fnop",   0, 0xd9d0, X, 0,	 FP,			{ 0, 0, 0} },
#define FWAIT_OPCODE 0x9b
{"fwait",  0,	0x9b, X, 0,	 FP,			{ 0, 0, 0} },

/* Opcode prefixes; we allow them as separate insns too.  */

#define ADDR_PREFIX_OPCODE 0x67
{"addr16", 0,	0x67, X, Cpu386|CpuNo64, NoSuf|IsPrefix|Size16|IgnoreSize,	{ 0, 0, 0} },
{"addr32", 0,	0x67, X, Cpu386,NoSuf|IsPrefix|Size32|IgnoreSize,	{ 0, 0, 0} },
{"aword",  0,	0x67, X, Cpu386|CpuNo64,NoSuf|IsPrefix|Size16|IgnoreSize,	{ 0, 0, 0} },
{"adword", 0,	0x67, X, Cpu386,NoSuf|IsPrefix|Size32|IgnoreSize,	{ 0, 0, 0} },
#define DATA_PREFIX_OPCODE 0x66
{"data16", 0,	0x66, X, Cpu386,NoSuf|IsPrefix|Size16|IgnoreSize,	{ 0, 0, 0} },
{"data32", 0,	0x66, X, Cpu386|CpuNo64,NoSuf|IsPrefix|Size32|IgnoreSize,	{ 0, 0, 0} },
{"word",   0,	0x66, X, Cpu386,NoSuf|IsPrefix|Size16|IgnoreSize,	{ 0, 0, 0} },
{"dword",  0,	0x66, X, Cpu386|CpuNo64,NoSuf|IsPrefix|Size32|IgnoreSize,	{ 0, 0, 0} },
#define LOCK_PREFIX_OPCODE 0xf0
{"lock",   0,	0xf0, X, 0,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"wait",   0,   0x9b, X, 0,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
#define CS_PREFIX_OPCODE 0x2e
{"cs",	   0,	0x2e, X, 0,	NoSuf|IsPrefix,	{ 0, 0, 0} },
#define DS_PREFIX_OPCODE 0x3e
{"ds",	   0,	0x3e, X, 0,	NoSuf|IsPrefix,	{ 0, 0, 0} },
#define ES_PREFIX_OPCODE 0x26
{"es",	   0,	0x26, X, CpuNo64,	NoSuf|IsPrefix,	{ 0, 0, 0} },
#define FS_PREFIX_OPCODE 0x64
{"fs",	   0,	0x64, X, Cpu386, NoSuf|IsPrefix,	{ 0, 0, 0} },
#define GS_PREFIX_OPCODE 0x65
{"gs",	   0,	0x65, X, Cpu386, NoSuf|IsPrefix,	{ 0, 0, 0} },
#define SS_PREFIX_OPCODE 0x36
{"ss",	   0,	0x36, X, CpuNo64,	NoSuf|IsPrefix,	{ 0, 0, 0} },
#define REPNE_PREFIX_OPCODE 0xf2
#define REPE_PREFIX_OPCODE  0xf3
{"rep",	   0,	0xf3, X, 0,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"repe",   0,	0xf3, X, 0,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"repz",   0,	0xf3, X, 0,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"repne",  0,	0xf2, X, 0,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"repnz",  0,	0xf2, X, 0,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex",    0,	0x40, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rexz",   0,	0x41, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rexy",   0,	0x42, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rexyz",  0,	0x43, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rexx",   0,	0x44, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rexxz",  0,	0x45, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rexxy",  0,	0x46, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rexxyz", 0,	0x47, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64",  0,	0x48, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64z", 0,	0x49, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64y", 0,	0x4a, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64yz",0,	0x4b, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64x", 0,	0x4c, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64xz",0,	0x4d, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64xy",0,	0x4e, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },
{"rex64xyz",0,	0x4f, X, Cpu64,	 NoSuf|IsPrefix,	{ 0, 0, 0} },

/* 486 extensions.  */

{"bswap",   1, 0x0fc8, X, Cpu486, lq_Suf|ShortForm,	{ Reg32|Reg64, 0, 0 } },
{"xadd",    2, 0x0fc0, X, Cpu486, bwlq_Suf|W|Modrm,	{ Reg, Reg|AnyMem, 0 } },
{"cmpxchg", 2, 0x0fb0, X, Cpu486, bwlq_Suf|W|Modrm,	{ Reg, Reg|AnyMem, 0 } },
{"invd",    0, 0x0f08, X, Cpu486, NoSuf,		{ 0, 0, 0} },
{"wbinvd",  0, 0x0f09, X, Cpu486, NoSuf,		{ 0, 0, 0} },
{"invlpg",  1, 0x0f01, 7, Cpu486, NoSuf|Modrm,		{ AnyMem, 0, 0} },

/* 586 and late 486 extensions.  */
{"cpuid",   0, 0x0fa2, X, Cpu486, NoSuf,		{ 0, 0, 0} },

/* Pentium extensions.  */
{"wrmsr",   0, 0x0f30, X, Cpu586, NoSuf,		{ 0, 0, 0} },
{"rdtsc",   0, 0x0f31, X, Cpu586, NoSuf,		{ 0, 0, 0} },
{"rdmsr",   0, 0x0f32, X, Cpu586, NoSuf,		{ 0, 0, 0} },
{"cmpxchg8b",1,0x0fc7, 1, Cpu586, NoSuf|Modrm,		{ LLongMem, 0, 0} },

/* Pentium II/Pentium Pro extensions.  */
{"sysenter",0, 0x0f34, X, Cpu686, NoSuf,		{ 0, 0, 0} },
{"sysexit", 0, 0x0f35, X, Cpu686, NoSuf,		{ 0, 0, 0} },
{"fxsave",  1, 0x0fae, 0, Cpu686, FP|Modrm,		{ LLongMem, 0, 0} },
{"fxrstor", 1, 0x0fae, 1, Cpu686, FP|Modrm,		{ LLongMem, 0, 0} },
{"rdpmc",   0, 0x0f33, X, Cpu686, NoSuf,		{ 0, 0, 0} },
/* official undefined instr. */