2007-03-15 15:31:24 +01:00
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/* Declarations for Intel 80386 opcode table
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Copyright 2007
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Free Software Foundation, Inc.
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2007-07-05 11:49:03 +02:00
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This file is part of the GNU opcodes library.
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2007-03-15 15:31:24 +01:00
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2007-07-05 11:49:03 +02:00
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This library is free software; you can redistribute it and/or modify
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2007-03-15 15:31:24 +01:00
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it under the terms of the GNU General Public License as published by
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2007-07-05 11:49:03 +02:00
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the Free Software Foundation; either version 3, or (at your option)
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2007-03-15 15:31:24 +01:00
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any later version.
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2007-07-05 11:49:03 +02:00
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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2007-03-15 15:31:24 +01:00
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "opcode/i386.h"
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2007-09-09 03:22:57 +02:00
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifndef CHAR_BIT
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#define CHAR_BIT 8
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#endif
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/* Position of cpu flags bitfiled. */
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/* i186 or better required */
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#define Cpu186 0
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/* i286 or better required */
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#define Cpu286 (Cpu186 + 1)
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/* i386 or better required */
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#define Cpu386 (Cpu286 + 1)
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/* i486 or better required */
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#define Cpu486 (Cpu386 + 1)
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/* i585 or better required */
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#define Cpu586 (Cpu486 + 1)
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/* i686 or better required */
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#define Cpu686 (Cpu586 + 1)
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/* Pentium4 or better required */
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#define CpuP4 (Cpu686 + 1)
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/* AMD K6 or better required*/
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#define CpuK6 (CpuP4 + 1)
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/* AMD K8 or better required */
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#define CpuK8 (CpuK6 + 1)
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/* MMX support required */
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#define CpuMMX (CpuK8 + 1)
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/* extended MMX support (with SSE or 3DNow!Ext) required */
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#define CpuMMX2 (CpuMMX + 1)
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/* SSE support required */
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#define CpuSSE (CpuMMX2 + 1)
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/* SSE2 support required */
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#define CpuSSE2 (CpuSSE + 1)
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/* 3dnow! support required */
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#define Cpu3dnow (CpuSSE2 + 1)
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/* 3dnow! Extensions support required */
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#define Cpu3dnowA (Cpu3dnow + 1)
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/* SSE3 support required */
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#define CpuSSE3 (Cpu3dnowA + 1)
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/* VIA PadLock required */
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#define CpuPadLock (CpuSSE3 + 1)
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/* AMD Secure Virtual Machine Ext-s required */
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#define CpuSVME (CpuPadLock + 1)
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/* VMX Instructions required */
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#define CpuVMX (CpuSVME + 1)
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2007-10-05 21:04:06 +02:00
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/* SMX Instructions required */
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#define CpuSMX (CpuVMX + 1)
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2007-09-09 03:22:57 +02:00
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/* SSSE3 support required */
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2007-10-05 21:04:06 +02:00
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#define CpuSSSE3 (CpuSMX + 1)
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2007-09-09 03:22:57 +02:00
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/* SSE4a support required */
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#define CpuSSE4a (CpuSSSE3 + 1)
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/* ABM New Instructions required */
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#define CpuABM (CpuSSE4a + 1)
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/* SSE4.1 support required */
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#define CpuSSE4_1 (CpuABM + 1)
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/* SSE4.2 support required */
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#define CpuSSE4_2 (CpuSSE4_1 + 1)
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2007-09-14 20:21:09 +02:00
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/* SSE5 support required */
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2007-09-21 22:51:33 +02:00
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#define CpuSSE5 (CpuSSE4_2 + 1)
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2007-09-09 03:22:57 +02:00
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/* 64bit support available, used by -march= in assembler. */
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2007-09-14 20:21:09 +02:00
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#define CpuLM (CpuSSE5 + 1)
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2007-09-09 03:22:57 +02:00
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/* 64bit support required */
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#define Cpu64 (CpuLM + 1)
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/* Not supported in the 64bit mode */
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#define CpuNo64 (Cpu64 + 1)
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/* The last bitfield in i386_cpu_flags. */
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#define CpuMax CpuNo64
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#define CpuNumOfUints \
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(CpuMax / sizeof (unsigned int) / CHAR_BIT + 1)
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#define CpuNumOfBits \
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(CpuNumOfUints * sizeof (unsigned int) * CHAR_BIT)
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/* If you get a compiler error for zero width of the unused field,
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comment it out. */
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2007-09-12 20:55:31 +02:00
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#define CpuUnused (CpuMax + 1)
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2007-09-09 03:22:57 +02:00
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/* We can check if an instruction is available with array instead
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of bitfield. */
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typedef union i386_cpu_flags
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{
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struct
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{
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unsigned int cpui186:1;
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unsigned int cpui286:1;
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unsigned int cpui386:1;
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unsigned int cpui486:1;
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unsigned int cpui586:1;
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unsigned int cpui686:1;
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unsigned int cpup4:1;
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unsigned int cpuk6:1;
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unsigned int cpuk8:1;
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unsigned int cpummx:1;
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unsigned int cpummx2:1;
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unsigned int cpusse:1;
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unsigned int cpusse2:1;
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unsigned int cpua3dnow:1;
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unsigned int cpua3dnowa:1;
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unsigned int cpusse3:1;
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unsigned int cpupadlock:1;
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unsigned int cpusvme:1;
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unsigned int cpuvmx:1;
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2007-10-05 21:04:06 +02:00
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unsigned int cpusmx:1;
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2007-09-09 03:22:57 +02:00
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unsigned int cpussse3:1;
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unsigned int cpusse4a:1;
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unsigned int cpuabm:1;
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unsigned int cpusse4_1:1;
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unsigned int cpusse4_2:1;
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2007-09-14 20:21:09 +02:00
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unsigned int cpusse5:1;
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2007-09-09 03:22:57 +02:00
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unsigned int cpulm:1;
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unsigned int cpu64:1;
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unsigned int cpuno64:1;
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#ifdef CpuUnused
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unsigned int unused:(CpuNumOfBits - CpuUnused);
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#endif
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} bitfield;
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unsigned int array[CpuNumOfUints];
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} i386_cpu_flags;
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/* Position of opcode_modifier bits. */
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/* has direction bit. */
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#define D 0
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/* set if operands can be words or dwords encoded the canonical way */
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#define W (D + 1)
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/* insn has a modrm byte. */
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#define Modrm (W + 1)
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/* register is in low 3 bits of opcode */
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#define ShortForm (Modrm + 1)
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/* special case for jump insns. */
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#define Jump (ShortForm + 1)
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/* call and jump */
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#define JumpDword (Jump + 1)
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/* loop and jecxz */
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#define JumpByte (JumpDword + 1)
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/* special case for intersegment leaps/calls */
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#define JumpInterSegment (JumpByte + 1)
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/* FP insn memory format bit, sized by 0x4 */
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#define FloatMF (JumpInterSegment + 1)
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/* src/dest swap for floats. */
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#define FloatR (FloatMF + 1)
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/* has float insn direction bit. */
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#define FloatD (FloatR + 1)
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/* needs size prefix if in 32-bit mode */
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#define Size16 (FloatD + 1)
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/* needs size prefix if in 16-bit mode */
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#define Size32 (Size16 + 1)
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/* needs size prefix if in 64-bit mode */
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#define Size64 (Size32 + 1)
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/* instruction ignores operand size prefix */
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#define IgnoreSize (Size64 + 1)
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/* default insn size depends on mode */
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#define DefaultSize (IgnoreSize + 1)
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/* b suffix on instruction illegal */
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#define No_bSuf (DefaultSize + 1)
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/* w suffix on instruction illegal */
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#define No_wSuf (No_bSuf + 1)
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/* l suffix on instruction illegal */
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#define No_lSuf (No_wSuf + 1)
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/* s suffix on instruction illegal */
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#define No_sSuf (No_lSuf + 1)
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/* q suffix on instruction illegal */
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#define No_qSuf (No_sSuf + 1)
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/* x suffix on instruction illegal */
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#define No_xSuf (No_qSuf + 1)
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/* instruction needs FWAIT */
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#define FWait (No_xSuf + 1)
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/* quick test for string instructions */
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#define IsString (FWait + 1)
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/* fake an extra reg operand for clr, imul and special register
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processing for some instructions. */
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#define RegKludge (IsString + 1)
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/* opcode is a prefix */
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#define IsPrefix (RegKludge + 1)
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/* instruction has extension in 8 bit imm */
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#define ImmExt (IsPrefix + 1)
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/* instruction don't need Rex64 prefix. */
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#define NoRex64 (ImmExt + 1)
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/* instruction require Rex64 prefix. */
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#define Rex64 (NoRex64 + 1)
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/* deprecated fp insn, gets a warning */
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#define Ugh (Rex64 + 1)
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#define Drex (Ugh + 1)
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2007-09-14 20:21:09 +02:00
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/* instruction needs DREX with multiple encodings for memory ops */
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2007-09-21 22:51:33 +02:00
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#define Drexv (Drex + 1)
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2007-09-14 20:21:09 +02:00
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/* special DREX for comparisons */
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2007-09-21 22:51:33 +02:00
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#define Drexc (Drexv + 1)
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2007-09-09 03:22:57 +02:00
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/* The last bitfield in i386_opcode_modifier. */
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2007-09-14 20:21:09 +02:00
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#define Opcode_Modifier_Max Drexc
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2007-09-09 03:22:57 +02:00
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typedef struct i386_opcode_modifier
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{
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unsigned int d:1;
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unsigned int w:1;
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unsigned int modrm:1;
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unsigned int shortform:1;
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unsigned int jump:1;
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unsigned int jumpdword:1;
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unsigned int jumpbyte:1;
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unsigned int jumpintersegment:1;
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unsigned int floatmf:1;
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unsigned int floatr:1;
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unsigned int floatd:1;
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unsigned int size16:1;
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unsigned int size32:1;
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unsigned int size64:1;
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unsigned int ignoresize:1;
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unsigned int defaultsize:1;
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unsigned int no_bsuf:1;
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unsigned int no_wsuf:1;
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unsigned int no_lsuf:1;
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unsigned int no_ssuf:1;
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unsigned int no_qsuf:1;
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unsigned int no_xsuf:1;
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unsigned int fwait:1;
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unsigned int isstring:1;
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unsigned int regkludge:1;
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unsigned int isprefix:1;
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unsigned int immext:1;
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unsigned int norex64:1;
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unsigned int rex64:1;
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unsigned int ugh:1;
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unsigned int drex:1;
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unsigned int drexv:1;
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unsigned int drexc:1;
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2007-09-09 03:22:57 +02:00
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} i386_opcode_modifier;
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/* Position of operand_type bits. */
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/* Registers */
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/* 8 bit reg */
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#define Reg8 0
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/* 16 bit reg */
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#define Reg16 (Reg8 + 1)
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/* 32 bit reg */
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#define Reg32 (Reg16 + 1)
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/* 64 bit reg */
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#define Reg64 (Reg32 + 1)
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/* immediate */
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/* 8 bit immediate */
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#define Imm8 (Reg64 + 1)
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/* 8 bit immediate sign extended */
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#define Imm8S (Imm8 + 1)
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/* 16 bit immediate */
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#define Imm16 (Imm8S + 1)
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/* 32 bit immediate */
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#define Imm32 (Imm16 + 1)
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/* 32 bit immediate sign extended */
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#define Imm32S (Imm32 + 1)
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/* 64 bit immediate */
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#define Imm64 (Imm32S + 1)
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/* 1 bit immediate */
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#define Imm1 (Imm64 + 1)
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/* memory */
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#define BaseIndex (Imm1 + 1)
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/* Disp8,16,32 are used in different ways, depending on the
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instruction. For jumps, they specify the size of the PC relative
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displacement, for baseindex type instructions, they specify the
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size of the offset relative to the base register, and for memory
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offset instructions such as `mov 1234,%al' they specify the size of
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the offset relative to the segment base. */
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/* 8 bit displacement */
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#define Disp8 (BaseIndex + 1)
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/* 16 bit displacement */
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#define Disp16 (Disp8 + 1)
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/* 32 bit displacement */
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#define Disp32 (Disp16 + 1)
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/* 32 bit signed displacement */
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#define Disp32S (Disp32 + 1)
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/* 64 bit displacement */
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#define Disp64 (Disp32S + 1)
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/* specials */
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/* register to hold in/out port addr = dx */
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#define InOutPortReg (Disp64 + 1)
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/* register to hold shift count = cl */
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#define ShiftCount (InOutPortReg + 1)
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/* Control register */
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#define Control (ShiftCount + 1)
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/* Debug register */
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#define Debug (Control + 1)
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/* Test register */
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#define Test (Debug + 1)
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/* Float register */
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#define FloatReg (Test + 1)
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/* Float stack top %st(0) */
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#define FloatAcc (FloatReg + 1)
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/* 2 bit segment register */
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#define SReg2 (FloatAcc + 1)
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/* 3 bit segment register */
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#define SReg3 (SReg2 + 1)
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/* Accumulator %al or %ax or %eax */
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#define Acc (SReg3 + 1)
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#define JumpAbsolute (Acc + 1)
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/* MMX register */
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#define RegMMX (JumpAbsolute + 1)
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/* XMM registers in PIII */
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#define RegXMM (RegMMX + 1)
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/* String insn operand with fixed es segment */
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#define EsSeg (RegXMM + 1)
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/* RegMem is for instructions with a modrm byte where the register
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destination operand should be encoded in the mod and regmem fields.
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Normally, it will be encoded in the reg field. We add a RegMem
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flag to the destination register operand to indicate that it should
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be encoded in the regmem field. */
|
|
|
|
#define RegMem (EsSeg + 1)
|
|
|
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|
|
|
|
/* The last bitfield in i386_operand_type. */
|
|
|
|
#define OTMax RegMem
|
|
|
|
|
|
|
|
#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. */
|
|
|
|
#if 0
|
2007-09-12 20:55:31 +02:00
|
|
|
#define OTUnused (OTMax + 1)
|
2007-09-09 03:22:57 +02:00
|
|
|
#endif
|
|
|
|
|
|
|
|
typedef union i386_operand_type
|
|
|
|
{
|
|
|
|
struct
|
|
|
|
{
|
|
|
|
unsigned int reg8:1;
|
|
|
|
unsigned int reg16:1;
|
|
|
|
unsigned int reg32:1;
|
|
|
|
unsigned int reg64:1;
|
|
|
|
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 imm1:1;
|
|
|
|
unsigned int baseindex:1;
|
|
|
|
unsigned int disp8:1;
|
|
|
|
unsigned int disp16:1;
|
|
|
|
unsigned int disp32:1;
|
|
|
|
unsigned int disp32s:1;
|
|
|
|
unsigned int disp64:1;
|
|
|
|
unsigned int inoutportreg:1;
|
|
|
|
unsigned int shiftcount:1;
|
|
|
|
unsigned int control:1;
|
|
|
|
unsigned int debug:1;
|
|
|
|
unsigned int test:1;
|
|
|
|
unsigned int floatreg:1;
|
|
|
|
unsigned int floatacc:1;
|
|
|
|
unsigned int sreg2:1;
|
|
|
|
unsigned int sreg3:1;
|
|
|
|
unsigned int acc:1;
|
|
|
|
unsigned int jumpabsolute:1;
|
|
|
|
unsigned int regmmx:1;
|
|
|
|
unsigned int regxmm:1;
|
|
|
|
unsigned int esseg:1;
|
|
|
|
unsigned int regmem:1;
|
|
|
|
#ifdef OTUnused
|
|
|
|
unsigned int unused:(OTNumOfBits - OTUnused);
|
|
|
|
#endif
|
|
|
|
} bitfield;
|
|
|
|
unsigned int array[OTNumOfUints];
|
|
|
|
} i386_operand_type;
|
2007-03-15 15:31:24 +01:00
|
|
|
|
|
|
|
typedef struct 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.
|
2007-09-14 20:21:09 +02:00
|
|
|
If this template has no extension opcode (the usual case) use None
|
|
|
|
Instructions with Drex use this to specify 2 bits for OC */
|
2007-03-15 15:31:24 +01:00
|
|
|
unsigned int extension_opcode;
|
|
|
|
#define None 0xffff /* If no extension_opcode is possible. */
|
|
|
|
|
2007-09-26 06:42:47 +02:00
|
|
|
/* Opcode length. */
|
|
|
|
unsigned char opcode_length;
|
|
|
|
|
2007-03-15 15:31:24 +01:00
|
|
|
/* cpu feature flags */
|
2007-09-09 03:22:57 +02:00
|
|
|
i386_cpu_flags cpu_flags;
|
2007-03-15 15:31:24 +01:00
|
|
|
|
|
|
|
/* 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 */
|
2007-09-09 03:22:57 +02:00
|
|
|
i386_opcode_modifier opcode_modifier;
|
2007-03-15 15:31:24 +01:00
|
|
|
|
|
|
|
/* 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. */
|
2007-09-09 03:22:57 +02:00
|
|
|
i386_operand_type operand_types[MAX_OPERANDS];
|
2007-03-15 15:31:24 +01:00
|
|
|
}
|
|
|
|
template;
|
|
|
|
|
|
|
|
extern const template i386_optab[];
|
|
|
|
|
|
|
|
/* these are for register name --> number & type hash lookup */
|
|
|
|
typedef struct
|
|
|
|
{
|
|
|
|
char *reg_name;
|
2007-09-09 03:22:57 +02:00
|
|
|
i386_operand_type reg_type;
|
2007-03-15 15:31:24 +01:00
|
|
|
unsigned int reg_flags;
|
|
|
|
#define RegRex 0x1 /* Extended register. */
|
|
|
|
#define RegRex64 0x2 /* Extended 8 bit register. */
|
|
|
|
unsigned int reg_num;
|
2007-09-18 02:56:54 +02:00
|
|
|
#define RegRip ((unsigned int ) ~0)
|
2007-09-26 15:40:59 +02:00
|
|
|
#define RegEip (RegRip - 1)
|
2007-09-20 19:38:38 +02:00
|
|
|
/* EIZ and RIZ are fake index registers. */
|
2007-09-26 15:40:59 +02:00
|
|
|
#define RegEiz (RegEip - 1)
|
2007-09-20 19:38:38 +02:00
|
|
|
#define RegRiz (RegEiz - 1)
|
2007-03-15 15:31:24 +01:00
|
|
|
}
|
|
|
|
reg_entry;
|
|
|
|
|
|
|
|
/* Entries in i386_regtab. */
|
|
|
|
#define REGNAM_AL 1
|
|
|
|
#define REGNAM_AX 25
|
|
|
|
#define REGNAM_EAX 41
|
|
|
|
|
|
|
|
extern const reg_entry i386_regtab[];
|
2007-03-15 18:30:31 +01:00
|
|
|
extern const unsigned int i386_regtab_size;
|
2007-03-15 15:31:24 +01:00
|
|
|
|
|
|
|
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;
|