/* Declarations for Intel 80386 opcode table | |

Copyright (C) 2007-2016 Free Software Foundation, Inc. | |

This file is part of the GNU opcodes library. | |

This library is free software; you can redistribute it and/or modify | |

it under the terms of the GNU General Public License as published by | |

the Free Software Foundation; either version 3, or (at your option) | |

any later version. | |

It is distributed in the hope that it will be useful, but WITHOUT | |

ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |

or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |

License for more details. | |

You should have received a copy of the GNU General Public License | |

along with GAS; see the file COPYING. If not, write to the Free | |

Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA | |

02110-1301, USA. */ | |

#include "opcode/i386.h" | |

#ifdef HAVE_LIMITS_H | |

#include <limits.h> | |

#endif | |

#ifndef CHAR_BIT | |

#define CHAR_BIT 8 | |

#endif | |

/* Position of cpu flags bitfiled. */ | |

enum | |

{ | |

/* i186 or better required */ | |

Cpu186 = 0, | |

/* i286 or better required */ | |

Cpu286, | |

/* i386 or better required */ | |

Cpu386, | |

/* i486 or better required */ | |

Cpu486, | |

/* i585 or better required */ | |

Cpu586, | |

/* i686 or better required */ | |

Cpu686, | |

/* CLFLUSH Instruction support required */ | |

CpuClflush, | |

/* NOP Instruction support required */ | |

CpuNop, | |

/* SYSCALL Instructions support required */ | |

CpuSYSCALL, | |

/* Floating point support required */ | |

Cpu8087, | |

/* i287 support required */ | |

Cpu287, | |

/* i387 support required */ | |

Cpu387, | |

/* i686 and floating point support required */ | |

Cpu687, | |

/* SSE3 and floating point support required */ | |

CpuFISTTP, | |

/* MMX support required */ | |

CpuMMX, | |

/* SSE support required */ | |

CpuSSE, | |

/* SSE2 support required */ | |

CpuSSE2, | |

/* 3dnow! support required */ | |

Cpu3dnow, | |

/* 3dnow! Extensions support required */ | |

Cpu3dnowA, | |

/* SSE3 support required */ | |

CpuSSE3, | |

/* VIA PadLock required */ | |

CpuPadLock, | |

/* AMD Secure Virtual Machine Ext-s required */ | |

CpuSVME, | |

/* VMX Instructions required */ | |

CpuVMX, | |

/* SMX Instructions required */ | |

CpuSMX, | |

/* SSSE3 support required */ | |

CpuSSSE3, | |

/* SSE4a support required */ | |

CpuSSE4a, | |

/* ABM New Instructions required */ | |

CpuABM, | |

/* SSE4.1 support required */ | |

CpuSSE4_1, | |

/* SSE4.2 support required */ | |

CpuSSE4_2, | |

/* AVX support required */ | |

CpuAVX, | |

/* AVX2 support required */ | |

CpuAVX2, | |

/* Intel AVX-512 Foundation Instructions support required */ | |

CpuAVX512F, | |

/* Intel AVX-512 Conflict Detection Instructions support required */ | |

CpuAVX512CD, | |

/* Intel AVX-512 Exponential and Reciprocal Instructions support | |

required */ | |

CpuAVX512ER, | |

/* Intel AVX-512 Prefetch Instructions support required */ | |

CpuAVX512PF, | |

/* Intel AVX-512 VL Instructions support required. */ | |

CpuAVX512VL, | |

/* Intel AVX-512 DQ Instructions support required. */ | |

CpuAVX512DQ, | |

/* Intel AVX-512 BW Instructions support required. */ | |

CpuAVX512BW, | |

/* Intel L1OM support required */ | |

CpuL1OM, | |

/* Intel K1OM support required */ | |

CpuK1OM, | |

/* Intel IAMCU support required */ | |

CpuIAMCU, | |

/* Xsave/xrstor New Instructions support required */ | |

CpuXsave, | |

/* Xsaveopt New Instructions support required */ | |

CpuXsaveopt, | |

/* AES support required */ | |

CpuAES, | |

/* PCLMUL support required */ | |

CpuPCLMUL, | |

/* FMA support required */ | |

CpuFMA, | |

/* FMA4 support required */ | |

CpuFMA4, | |

/* XOP support required */ | |

CpuXOP, | |

/* LWP support required */ | |

CpuLWP, | |

/* BMI support required */ | |

CpuBMI, | |

/* TBM support required */ | |

CpuTBM, | |

/* MOVBE Instruction support required */ | |

CpuMovbe, | |

/* CMPXCHG16B instruction support required. */ | |

CpuCX16, | |

/* EPT Instructions required */ | |

CpuEPT, | |

/* RDTSCP Instruction support required */ | |

CpuRdtscp, | |

/* FSGSBASE Instructions required */ | |

CpuFSGSBase, | |

/* RDRND Instructions required */ | |

CpuRdRnd, | |

/* F16C Instructions required */ | |

CpuF16C, | |

/* Intel BMI2 support required */ | |

CpuBMI2, | |

/* LZCNT support required */ | |

CpuLZCNT, | |

/* HLE support required */ | |

CpuHLE, | |

/* RTM support required */ | |

CpuRTM, | |

/* INVPCID Instructions required */ | |

CpuINVPCID, | |

/* VMFUNC Instruction required */ | |

CpuVMFUNC, | |

/* Intel MPX Instructions required */ | |

CpuMPX, | |

/* 64bit support available, used by -march= in assembler. */ | |

CpuLM, | |

/* RDRSEED instruction required. */ | |

CpuRDSEED, | |

/* Multi-presisionn add-carry instructions are required. */ | |

CpuADX, | |

/* Supports prefetchw and prefetch instructions. */ | |

CpuPRFCHW, | |

/* SMAP instructions required. */ | |

CpuSMAP, | |

/* SHA instructions required. */ | |

CpuSHA, | |

/* VREX support required */ | |

CpuVREX, | |

/* CLFLUSHOPT instruction required */ | |

CpuClflushOpt, | |

/* XSAVES/XRSTORS instruction required */ | |

CpuXSAVES, | |

/* XSAVEC instruction required */ | |

CpuXSAVEC, | |

/* PREFETCHWT1 instruction required */ | |

CpuPREFETCHWT1, | |

/* SE1 instruction required */ | |

CpuSE1, | |

/* CLWB instruction required */ | |

CpuCLWB, | |

/* Intel AVX-512 IFMA Instructions support required. */ | |

CpuAVX512IFMA, | |

/* Intel AVX-512 VBMI Instructions support required. */ | |

CpuAVX512VBMI, | |

/* Intel AVX-512 4FMAPS Instructions support required. */ | |

CpuAVX512_4FMAPS, | |

/* Intel AVX-512 4VNNIW Instructions support required. */ | |

CpuAVX512_4VNNIW, | |

/* mwaitx instruction required */ | |

CpuMWAITX, | |

/* Clzero instruction required */ | |

CpuCLZERO, | |

/* OSPKE instruction required */ | |

CpuOSPKE, | |

/* RDPID instruction required */ | |

CpuRDPID, | |

/* PTWRITE instruction required */ | |

CpuPTWRITE, | |

/* MMX register support required */ | |

CpuRegMMX, | |

/* XMM register support required */ | |

CpuRegXMM, | |

/* YMM register support required */ | |

CpuRegYMM, | |

/* ZMM register support required */ | |

CpuRegZMM, | |

/* Mask register support required */ | |

CpuRegMask, | |

/* 64bit support required */ | |

Cpu64, | |

/* Not supported in the 64bit mode */ | |

CpuNo64, | |

/* The last bitfield in i386_cpu_flags. */ | |

CpuMax = CpuNo64 | |

}; | |

#define CpuNumOfUints \ | |

(CpuMax / sizeof (unsigned int) / CHAR_BIT + 1) | |

#define CpuNumOfBits \ | |

(CpuNumOfUints * sizeof (unsigned int) * CHAR_BIT) | |

/* If you get a compiler error for zero width of the unused field, | |

comment it out. */ | |

#define CpuUnused (CpuMax + 1) | |

/* We can check if an instruction is available with array instead | |

of bitfield. */ | |

typedef union i386_cpu_flags | |

{ | |

struct | |

{ | |

unsigned int cpui186:1; | |

unsigned int cpui286:1; | |

unsigned int cpui386:1; | |

unsigned int cpui486:1; | |

unsigned int cpui586:1; | |

unsigned int cpui686:1; | |

unsigned int cpuclflush:1; | |

unsigned int cpunop:1; | |

unsigned int cpusyscall:1; | |

unsigned int cpu8087:1; | |

unsigned int cpu287:1; | |

unsigned int cpu387:1; | |

unsigned int cpu687:1; | |

unsigned int cpufisttp:1; | |

unsigned int cpummx:1; | |

unsigned int cpusse:1; | |

unsigned int cpusse2:1; | |

unsigned int cpua3dnow:1; | |

unsigned int cpua3dnowa:1; | |

unsigned int cpusse3:1; | |

unsigned int cpupadlock:1; | |

unsigned int cpusvme:1; | |

unsigned int cpuvmx:1; | |

unsigned int cpusmx:1; | |

unsigned int cpussse3:1; | |

unsigned int cpusse4a:1; | |

unsigned int cpuabm:1; | |

unsigned int cpusse4_1:1; | |

unsigned int cpusse4_2:1; | |

unsigned int cpuavx:1; | |

unsigned int cpuavx2:1; | |

unsigned int cpuavx512f:1; | |

unsigned int cpuavx512cd:1; | |

unsigned int cpuavx512er:1; | |

unsigned int cpuavx512pf:1; | |

unsigned int cpuavx512vl:1; | |

unsigned int cpuavx512dq:1; | |

unsigned int cpuavx512bw:1; | |

unsigned int cpul1om:1; | |

unsigned int cpuk1om:1; | |

unsigned int cpuiamcu:1; | |

unsigned int cpuxsave:1; | |

unsigned int cpuxsaveopt:1; | |

unsigned int cpuaes:1; | |

unsigned int cpupclmul:1; | |

unsigned int cpufma:1; | |

unsigned int cpufma4:1; | |

unsigned int cpuxop:1; | |

unsigned int cpulwp:1; | |

unsigned int cpubmi:1; | |

unsigned int cputbm:1; | |

unsigned int cpumovbe:1; | |

unsigned int cpucx16:1; | |

unsigned int cpuept:1; | |

unsigned int cpurdtscp:1; | |

unsigned int cpufsgsbase:1; | |

unsigned int cpurdrnd:1; | |

unsigned int cpuf16c:1; | |

unsigned int cpubmi2:1; | |

unsigned int cpulzcnt:1; | |

unsigned int cpuhle:1; | |

unsigned int cpurtm:1; | |

unsigned int cpuinvpcid:1; | |

unsigned int cpuvmfunc:1; | |

unsigned int cpumpx:1; | |

unsigned int cpulm:1; | |

unsigned int cpurdseed:1; | |

unsigned int cpuadx:1; | |

unsigned int cpuprfchw:1; | |

unsigned int cpusmap:1; | |

unsigned int cpusha:1; | |

unsigned int cpuvrex:1; | |

unsigned int cpuclflushopt:1; | |

unsigned int cpuxsaves:1; | |

unsigned int cpuxsavec:1; | |

unsigned int cpuprefetchwt1:1; | |

unsigned int cpuse1:1; | |

unsigned int cpuclwb:1; | |

unsigned int cpuavx512ifma:1; | |

unsigned int cpuavx512vbmi:1; | |

unsigned int cpuavx512_4fmaps:1; | |

unsigned int cpuavx512_4vnniw:1; | |

unsigned int cpumwaitx:1; | |

unsigned int cpuclzero:1; | |

unsigned int cpuospke:1; | |

unsigned int cpurdpid:1; | |

unsigned int cpuptwrite:1; | |

unsigned int cpuregmmx:1; | |

unsigned int cpuregxmm:1; | |

unsigned int cpuregymm:1; | |

unsigned int cpuregzmm:1; | |

unsigned int cpuregmask:1; | |

unsigned int cpu64:1; | |

unsigned int cpuno64:1; | |

#ifdef CpuUnused | |

unsigned int unused:(CpuNumOfBits - CpuUnused); | |

#endif | |

} bitfield; | |

unsigned int array[CpuNumOfUints]; | |

} i386_cpu_flags; | |

/* Position of opcode_modifier bits. */ | |

enum | |

{ | |

/* has direction bit. */ | |

D = 0, | |

/* set if operands can be words or dwords encoded the canonical way */ | |

W, | |

/* Skip the current insn and use the next insn in i386-opc.tbl to swap | |

operand in encoding. */ | |

S, | |

/* insn has a modrm byte. */ | |

Modrm, | |

/* register is in low 3 bits of opcode */ | |

ShortForm, | |

/* special case for jump insns. */ | |

Jump, | |

/* call and jump */ | |

JumpDword, | |

/* loop and jecxz */ | |

JumpByte, | |

/* special case for intersegment leaps/calls */ | |

JumpInterSegment, | |

/* FP insn memory format bit, sized by 0x4 */ | |

FloatMF, | |

/* src/dest swap for floats. */ | |

FloatR, | |

/* has float insn direction bit. */ | |

FloatD, | |

/* needs size prefix if in 32-bit mode */ | |

Size16, | |

/* needs size prefix if in 16-bit mode */ | |

Size32, | |

/* needs size prefix if in 64-bit mode */ | |

Size64, | |

/* check register size. */ | |

CheckRegSize, | |

/* instruction ignores operand size prefix and in Intel mode ignores | |

mnemonic size suffix check. */ | |

IgnoreSize, | |

/* default insn size depends on mode */ | |

DefaultSize, | |

/* b suffix on instruction illegal */ | |

No_bSuf, | |

/* w suffix on instruction illegal */ | |

No_wSuf, | |

/* l suffix on instruction illegal */ | |

No_lSuf, | |

/* s suffix on instruction illegal */ | |

No_sSuf, | |

/* q suffix on instruction illegal */ | |

No_qSuf, | |

/* long double suffix on instruction illegal */ | |

No_ldSuf, | |

/* instruction needs FWAIT */ | |

FWait, | |

/* quick test for string instructions */ | |

IsString, | |

/* quick test if branch instruction is MPX supported */ | |

BNDPrefixOk, | |

/* quick test for lockable instructions */ | |

IsLockable, | |

/* fake an extra reg operand for clr, imul and special register | |

processing for some instructions. */ | |

RegKludge, | |

/* The first operand must be xmm0 */ | |

FirstXmm0, | |

/* An implicit xmm0 as the first operand */ | |

Implicit1stXmm0, | |

/* The HLE prefix is OK: | |

1. With a LOCK prefix. | |

2. With or without a LOCK prefix. | |

3. With a RELEASE (0xf3) prefix. | |

*/ | |

#define HLEPrefixNone 0 | |

#define HLEPrefixLock 1 | |

#define HLEPrefixAny 2 | |

#define HLEPrefixRelease 3 | |

HLEPrefixOk, | |

/* An instruction on which a "rep" prefix is acceptable. */ | |

RepPrefixOk, | |

/* Convert to DWORD */ | |

ToDword, | |

/* Convert to QWORD */ | |

ToQword, | |

/* Address prefix changes operand 0 */ | |

AddrPrefixOp0, | |

/* opcode is a prefix */ | |

IsPrefix, | |

/* instruction has extension in 8 bit imm */ | |

ImmExt, | |

/* instruction don't need Rex64 prefix. */ | |

NoRex64, | |

/* instruction require Rex64 prefix. */ | |

Rex64, | |

/* deprecated fp insn, gets a warning */ | |

Ugh, | |

/* insn has VEX prefix: | |

1: 128bit VEX prefix. | |

2: 256bit VEX prefix. | |

3: Scalar VEX prefix. | |

*/ | |

#define VEX128 1 | |

#define VEX256 2 | |

#define VEXScalar 3 | |

Vex, | |

/* How to encode VEX.vvvv: | |

0: VEX.vvvv must be 1111b. | |

1: VEX.NDS. Register-only source is encoded in VEX.vvvv where | |

the content of source registers will be preserved. | |

VEX.DDS. The second register operand is encoded in VEX.vvvv | |

where the content of first source register will be overwritten | |

by the result. | |

VEX.NDD2. The second destination register operand is encoded in | |

VEX.vvvv for instructions with 2 destination register operands. | |

For assembler, there are no difference between VEX.NDS, VEX.DDS | |

and VEX.NDD2. | |

2. VEX.NDD. Register destination is encoded in VEX.vvvv for | |

instructions with 1 destination register operand. | |

3. VEX.LWP. Register destination is encoded in VEX.vvvv and one | |

of the operands can access a memory location. | |

*/ | |

#define VEXXDS 1 | |

#define VEXNDD 2 | |

#define VEXLWP 3 | |

VexVVVV, | |

/* How the VEX.W bit is used: | |

0: Set by the REX.W bit. | |

1: VEX.W0. Should always be 0. | |

2: VEX.W1. Should always be 1. | |

*/ | |

#define VEXW0 1 | |

#define VEXW1 2 | |

VexW, | |

/* VEX opcode prefix: | |

0: VEX 0x0F opcode prefix. | |

1: VEX 0x0F38 opcode prefix. | |

2: VEX 0x0F3A opcode prefix | |

3: XOP 0x08 opcode prefix. | |

4: XOP 0x09 opcode prefix | |

5: XOP 0x0A opcode prefix. | |

*/ | |

#define VEX0F 0 | |

#define VEX0F38 1 | |

#define VEX0F3A 2 | |

#define XOP08 3 | |

#define XOP09 4 | |

#define XOP0A 5 | |

VexOpcode, | |

/* number of VEX source operands: | |

0: <= 2 source operands. | |

1: 2 XOP source operands. | |

2: 3 source operands. | |

*/ | |

#define XOP2SOURCES 1 | |

#define VEX3SOURCES 2 | |

VexSources, | |

/* instruction has VEX 8 bit imm */ | |

VexImmExt, | |

/* Instruction with vector SIB byte: | |

1: 128bit vector register. | |

2: 256bit vector register. | |

3: 512bit vector register. | |

*/ | |

#define VecSIB128 1 | |

#define VecSIB256 2 | |

#define VecSIB512 3 | |

VecSIB, | |

/* SSE to AVX support required */ | |

SSE2AVX, | |

/* No AVX equivalent */ | |

NoAVX, | |

/* insn has EVEX prefix: | |

1: 512bit EVEX prefix. | |

2: 128bit EVEX prefix. | |

3: 256bit EVEX prefix. | |

4: Length-ignored (LIG) EVEX prefix. | |

*/ | |

#define EVEX512 1 | |

#define EVEX128 2 | |

#define EVEX256 3 | |

#define EVEXLIG 4 | |

EVex, | |

/* AVX512 masking support: | |

1: Zeroing-masking. | |

2: Merging-masking. | |

3: Both zeroing and merging masking. | |

*/ | |

#define ZEROING_MASKING 1 | |

#define MERGING_MASKING 2 | |

#define BOTH_MASKING 3 | |

Masking, | |

/* Input element size of vector insn: | |

0: 32bit. | |

1: 64bit. | |

*/ | |

VecESize, | |

/* Broadcast factor. | |

0: No broadcast. | |

1: 1to16 broadcast. | |

2: 1to8 broadcast. | |

*/ | |

#define NO_BROADCAST 0 | |

#define BROADCAST_1TO16 1 | |

#define BROADCAST_1TO8 2 | |

#define BROADCAST_1TO4 3 | |

#define BROADCAST_1TO2 4 | |

Broadcast, | |

/* Static rounding control is supported. */ | |

StaticRounding, | |

/* Supress All Exceptions is supported. */ | |

SAE, | |

/* Copressed Disp8*N attribute. */ | |

Disp8MemShift, | |

/* Default mask isn't allowed. */ | |

NoDefMask, | |

/* The second operand must be a vector register, {x,y,z}mmN, where N is a multiple of 4. | |

It implicitly denotes the register group of {x,y,z}mmN - {x,y,z}mm(N + 3). | |

*/ | |

ImplicitQuadGroup, | |

/* Compatible with old (<= 2.8.1) versions of gcc */ | |

OldGcc, | |

/* AT&T mnemonic. */ | |

ATTMnemonic, | |

/* AT&T syntax. */ | |

ATTSyntax, | |

/* Intel syntax. */ | |

IntelSyntax, | |

/* AMD64. */ | |

AMD64, | |

/* Intel64. */ | |

Intel64, | |

/* The last bitfield in i386_opcode_modifier. */ | |

Opcode_Modifier_Max | |

}; | |

typedef struct i386_opcode_modifier | |

{ | |

unsigned int d:1; | |

unsigned int w:1; | |

unsigned int s:1; | |

unsigned int modrm:1; | |

unsigned int shortform:1; | |

unsigned int jump:1; | |

unsigned int jumpdword:1; | |

unsigned int jumpbyte:1; | |

unsigned int jumpintersegment:1; | |

unsigned int floatmf:1; | |

unsigned int floatr:1; | |

unsigned int floatd:1; | |

unsigned int size16:1; | |

unsigned int size32:1; | |

unsigned int size64:1; | |

unsigned int checkregsize:1; | |

unsigned int ignoresize:1; | |

unsigned int defaultsize:1; | |

unsigned int no_bsuf:1; | |

unsigned int no_wsuf:1; | |

unsigned int no_lsuf:1; | |

unsigned int no_ssuf:1; | |

unsigned int no_qsuf:1; | |

unsigned int no_ldsuf:1; | |

unsigned int fwait:1; | |

unsigned int isstring:1; | |

unsigned int bndprefixok:1; | |

unsigned int islockable:1; | |

unsigned int regkludge:1; | |

unsigned int firstxmm0:1; | |

unsigned int implicit1stxmm0:1; | |

unsigned int hleprefixok:2; | |

unsigned int repprefixok:1; | |

unsigned int todword:1; | |

unsigned int toqword:1; | |

unsigned int addrprefixop0:1; | |

unsigned int isprefix:1; | |

unsigned int immext:1; | |

unsigned int norex64:1; | |

unsigned int rex64:1; | |

unsigned int ugh:1; | |

unsigned int vex:2; | |

unsigned int vexvvvv:2; | |

unsigned int vexw:2; | |

unsigned int vexopcode:3; | |

unsigned int vexsources:2; | |

unsigned int veximmext:1; | |

unsigned int vecsib:2; | |

unsigned int sse2avx:1; | |

unsigned int noavx:1; | |

unsigned int evex:3; | |

unsigned int masking:2; | |

unsigned int vecesize:1; | |

unsigned int broadcast:3; | |

unsigned int staticrounding:1; | |

unsigned int sae:1; | |

unsigned int disp8memshift:3; | |

unsigned int nodefmask:1; | |

unsigned int implicitquadgroup:1; | |

unsigned int oldgcc:1; | |

unsigned int attmnemonic:1; | |

unsigned int attsyntax:1; | |

unsigned int intelsyntax:1; | |

unsigned int amd64:1; | |

unsigned int intel64:1; | |

} i386_opcode_modifier; | |

/* Position of operand_type bits. */ | |

enum | |

{ | |

/* 8bit register */ | |

Reg8 = 0, | |

/* 16bit register */ | |

Reg16, | |

/* 32bit register */ | |

Reg32, | |

/* 64bit register */ | |

Reg64, | |

/* Floating pointer stack register */ | |

FloatReg, | |

/* MMX register */ | |

RegMMX, | |

/* SSE register */ | |

RegXMM, | |

/* AVX registers */ | |

RegYMM, | |

/* AVX512 registers */ | |

RegZMM, | |

/* Vector Mask registers */ | |

RegMask, | |

/* Control register */ | |

Control, | |

/* Debug register */ | |

Debug, | |

/* Test register */ | |

Test, | |

/* 2 bit segment register */ | |

SReg2, | |

/* 3 bit segment register */ | |

SReg3, | |

/* 1 bit immediate */ | |

Imm1, | |

/* 8 bit immediate */ | |

Imm8, | |

/* 8 bit immediate sign extended */ | |

Imm8S, | |

/* 16 bit immediate */ | |

Imm16, | |

/* 32 bit immediate */ | |

Imm32, | |

/* 32 bit immediate sign extended */ | |

Imm32S, | |

/* 64 bit immediate */ | |

Imm64, | |

/* 8bit/16bit/32bit displacements are used in different ways, | |

depending on the instruction. For jumps, they specify the | |

size of the PC relative displacement, for instructions with | |

memory operand, they specify the size of the offset relative | |

to the base register, and for instructions with memory offset | |

such as `mov 1234,%al' they specify the size of the offset | |

relative to the segment base. */ | |

/* 8 bit displacement */ | |

Disp8, | |

/* 16 bit displacement */ | |

Disp16, | |

/* 32 bit displacement */ | |

Disp32, | |

/* 32 bit signed displacement */ | |

Disp32S, | |

/* 64 bit displacement */ | |

Disp64, | |

/* Accumulator %al/%ax/%eax/%rax */ | |

Acc, | |

/* Floating pointer top stack register %st(0) */ | |

FloatAcc, | |

/* Register which can be used for base or index in memory operand. */ | |

BaseIndex, | |

/* Register to hold in/out port addr = dx */ | |

InOutPortReg, | |

/* Register to hold shift count = cl */ | |

ShiftCount, | |

/* Absolute address for jump. */ | |

JumpAbsolute, | |

/* String insn operand with fixed es segment */ | |

EsSeg, | |

/* RegMem is for instructions with a modrm byte where the register | |

destination operand should be encoded in the mod and regmem fields. | |

Normally, it will be encoded in the reg field. We add a RegMem | |

flag to the destination register operand to indicate that it should | |

be encoded in the regmem field. */ | |

RegMem, | |

/* Memory. */ | |

Mem, | |

/* BYTE memory. */ | |

Byte, | |

/* WORD memory. 2 byte */ | |

Word, | |

/* DWORD memory. 4 byte */ | |

Dword, | |

/* FWORD memory. 6 byte */ | |

Fword, | |

/* QWORD memory. 8 byte */ | |

Qword, | |

/* TBYTE memory. 10 byte */ | |

Tbyte, | |

/* XMMWORD memory. */ | |

Xmmword, | |

/* YMMWORD memory. */ | |

Ymmword, | |

/* ZMMWORD memory. */ | |

Zmmword, | |

/* Unspecified memory size. */ | |

Unspecified, | |

/* Any memory size. */ | |

Anysize, | |

/* Vector 4 bit immediate. */ | |

Vec_Imm4, | |

/* Bound register. */ | |

RegBND, | |

/* Vector 8bit displacement */ | |

Vec_Disp8, | |

/* The last bitfield in i386_operand_type. */ | |

OTMax | |

}; | |

#define OTNumOfUints \ | |

(OTMax / sizeof (unsigned int) / CHAR_BIT + 1) | |

#define OTNumOfBits \ | |

(OTNumOfUints * sizeof (unsigned int) * CHAR_BIT) | |

/* If you get a compiler error for zero width of the unused field, | |

comment it out. */ | |

#define OTUnused (OTMax + 1) | |

typedef union i386_operand_type | |

{ | |

struct | |

{ | |

unsigned int reg8:1; | |

unsigned int reg16:1; | |

unsigned int reg32:1; | |

unsigned int reg64:1; | |

unsigned int floatreg:1; | |

unsigned int regmmx:1; | |

unsigned int regxmm:1; | |

unsigned int regymm:1; | |

unsigned int regzmm:1; | |

unsigned int regmask:1; | |

unsigned int control:1; | |

unsigned int debug:1; | |

unsigned int test:1; | |

unsigned int sreg2:1; | |

unsigned int sreg3:1; | |

unsigned int imm1:1; | |

unsigned int imm8:1; | |

unsigned int imm8s:1; | |

unsigned int imm16:1; | |

unsigned int imm32:1; | |

unsigned int imm32s:1; | |

unsigned int imm64:1; | |

unsigned int disp8:1; | |

unsigned int disp16:1; | |

unsigned int disp32:1; | |

unsigned int disp32s:1; | |

unsigned int disp64:1; | |

unsigned int acc:1; | |

unsigned int floatacc:1; | |

unsigned int baseindex:1; | |

unsigned int inoutportreg:1; | |

unsigned int shiftcount:1; | |

unsigned int jumpabsolute:1; | |

unsigned int esseg:1; | |

unsigned int regmem:1; | |

unsigned int mem:1; | |

unsigned int byte:1; | |

unsigned int word:1; | |

unsigned int dword:1; | |

unsigned int fword:1; | |

unsigned int qword:1; | |

unsigned int tbyte:1; | |

unsigned int xmmword:1; | |

unsigned int ymmword:1; | |

unsigned int zmmword:1; | |

unsigned int unspecified:1; | |

unsigned int anysize:1; | |

unsigned int vec_imm4:1; | |

unsigned int regbnd:1; | |

unsigned int vec_disp8:1; | |

#ifdef OTUnused | |

unsigned int unused:(OTNumOfBits - OTUnused); | |

#endif | |

} bitfield; | |

unsigned int array[OTNumOfUints]; | |

} i386_operand_type; | |

typedef struct insn_template | |

{ | |

/* instruction name sans width suffix ("mov" for movl insns) */ | |

char *name; | |

/* how many operands */ | |

unsigned int operands; | |

/* base_opcode is the fundamental opcode byte without optional | |

prefix(es). */ | |

unsigned int base_opcode; | |

#define Opcode_D 0x2 /* Direction bit: | |

set if Reg --> Regmem; | |

unset if Regmem --> Reg. */ | |

#define Opcode_FloatR 0x8 /* Bit to swap src/dest for float insns. */ | |

#define Opcode_FloatD 0x400 /* Direction bit for float insns. */ | |

/* extension_opcode is the 3 bit extension for group <n> insns. | |

This field is also used to store the 8-bit opcode suffix for the | |

AMD 3DNow! instructions. | |

If this template has no extension opcode (the usual case) use None | |

Instructions */ | |

unsigned int extension_opcode; | |

#define None 0xffff /* If no extension_opcode is possible. */ | |

/* Opcode length. */ | |

unsigned char opcode_length; | |

/* cpu feature flags */ | |

i386_cpu_flags cpu_flags; | |

/* the bits in opcode_modifier are used to generate the final opcode from | |

the base_opcode. These bits also are used to detect alternate forms of | |

the same instruction */ | |

i386_opcode_modifier opcode_modifier; | |

/* operand_types[i] describes the type of operand i. This is made | |

by OR'ing together all of the possible type masks. (e.g. | |

'operand_types[i] = Reg|Imm' specifies that operand i can be | |

either a register or an immediate operand. */ | |

i386_operand_type operand_types[MAX_OPERANDS]; | |

} | |

insn_template; | |

extern const insn_template i386_optab[]; | |

/* these are for register name --> number & type hash lookup */ | |

typedef struct | |

{ | |

char *reg_name; | |

i386_operand_type reg_type; | |

unsigned char reg_flags; | |

#define RegRex 0x1 /* Extended register. */ | |

#define RegRex64 0x2 /* Extended 8 bit register. */ | |

#define RegVRex 0x4 /* Extended vector register. */ | |

unsigned char reg_num; | |

#define RegRip ((unsigned char ) ~0) | |

#define RegEip (RegRip - 1) | |

/* EIZ and RIZ are fake index registers. */ | |

#define RegEiz (RegEip - 1) | |

#define RegRiz (RegEiz - 1) | |

/* FLAT is a fake segment register (Intel mode). */ | |

#define RegFlat ((unsigned char) ~0) | |

signed char dw2_regnum[2]; | |

#define Dw2Inval (-1) | |

} | |

reg_entry; | |

/* Entries in i386_regtab. */ | |

#define REGNAM_AL 1 | |

#define REGNAM_AX 25 | |

#define REGNAM_EAX 41 | |

extern const reg_entry i386_regtab[]; | |

extern const unsigned int i386_regtab_size; | |

typedef struct | |

{ | |

char *seg_name; | |

unsigned int seg_prefix; | |

} | |

seg_entry; | |

extern const seg_entry cs; | |

extern const seg_entry ds; | |

extern const seg_entry ss; | |

extern const seg_entry es; | |

extern const seg_entry fs; | |

extern const seg_entry gs; |