DisasmFormatYasm.cpp revision 70fa291a159216a90eea85d879c46bf4d86ed545
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/* $Id$ */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/** @file
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * VBox Disassembler - Yasm(/Nasm) Style Formatter.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/*
c7814cf6e1240a519cbec0441e033d0e2470ed00vboxsync * Copyright (C) 2008-2012 Oracle Corporation
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * available from http://www.virtualbox.org. This file is free software;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * you can redistribute it and/or modify it under the terms of the GNU
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * General Public License (GPL) as published by the Free Software
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/*******************************************************************************
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync* Header Files *
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync*******************************************************************************/
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#include <VBox/dis.h>
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#include "DisasmInternal.h"
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#include <iprt/string.h>
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#include <iprt/assert.h>
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#include <iprt/ctype.h>
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/*******************************************************************************
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync* Global Variables *
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync*******************************************************************************/
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncstatic const char g_szSpaces[] =
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync" ";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsyncstatic const char g_aszYasmRegGen8[20][5] =
11f8b3da5f2ead2461e7998b3b091bb0f7bd14d9vboxsync{
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync "al\0\0", "cl\0\0", "dl\0\0", "bl\0\0", "ah\0\0", "ch\0\0", "dh\0\0", "bh\0\0", "r8b\0", "r9b\0", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b", "spl\0", "bpl\0", "sil\0", "dil\0"
384478d3896257fbce9ceb8c01e74040b969e6d7vboxsync};
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsyncstatic const char g_aszYasmRegGen16[16][5] =
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync{
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync "ax\0\0", "cx\0\0", "dx\0\0", "bx\0\0", "sp\0\0", "bp\0\0", "si\0\0", "di\0\0", "r8w\0", "r9w\0", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
384478d3896257fbce9ceb8c01e74040b969e6d7vboxsync};
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncstatic const char g_aszYasmRegGen1616[8][6] =
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync "bx+si", "bx+di", "bp+si", "bp+di", "si\0\0\0", "di\0\0\0", "bp\0\0\0", "bx\0\0\0"
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync};
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncstatic const char g_aszYasmRegGen32[16][5] =
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync "eax\0", "ecx\0", "edx\0", "ebx\0", "esp\0", "ebp\0", "esi\0", "edi\0", "r8d\0", "r9d\0", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync};
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncstatic const char g_aszYasmRegGen64[16][4] =
3ab1cd69595235a9f15ce27945574123b0f38b46vboxsync{
3ab1cd69595235a9f15ce27945574123b0f38b46vboxsync "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", "r8\0", "r9\0", "r10", "r11", "r12", "r13", "r14", "r15"
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync};
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncstatic const char g_aszYasmRegSeg[6][3] =
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync "es", "cs", "ss", "ds", "fs", "gs"
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync};
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncstatic const char g_aszYasmRegFP[8][4] =
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync "st0", "st1", "st2", "st3", "st4", "st5", "st6", "st7"
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync};
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsyncstatic const char g_aszYasmRegMMX[8][4] =
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync{
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync "mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7"
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync};
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsyncstatic const char g_aszYasmRegXMM[16][6] =
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync{
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync "xmm0\0", "xmm1\0", "xmm2\0", "xmm3\0", "xmm4\0", "xmm5\0", "xmm6\0", "xmm7\0", "xmm8\0", "xmm9\0", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync};
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsyncstatic const char g_aszYasmRegCRx[16][5] =
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync{
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync "cr0\0", "cr1\0", "cr2\0", "cr3\0", "cr4\0", "cr5\0", "cr6\0", "cr7\0", "cr8\0", "cr9\0", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15"
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync};
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsyncstatic const char g_aszYasmRegDRx[16][5] =
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync{
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync "dr0\0", "dr1\0", "dr2\0", "dr3\0", "dr4\0", "dr5\0", "dr6\0", "dr7\0", "dr8\0", "dr9\0", "dr10", "dr11", "dr12", "dr13", "dr14", "dr15"
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync};
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsyncstatic const char g_aszYasmRegTRx[16][5] =
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync{
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync "tr0\0", "tr1\0", "tr2\0", "tr3\0", "tr4\0", "tr5\0", "tr6\0", "tr7\0", "tr8\0", "tr9\0", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync};
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync/**
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync * Gets the base register name for the given parameter.
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync *
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync * @returns Pointer to the register name.
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync * @param pCpu The disassembler cpu state.
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync * @param pParam The parameter.
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync * @param pcchReg Where to store the length of the name.
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync */
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsyncstatic const char *disasmFormatYasmBaseReg(PCDISCPUSTATE pCpu, PCDISOPPARAM pParam, size_t *pcchReg)
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync{
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync switch (pParam->fUse & ( DISUSE_REG_GEN8 | DISUSE_REG_GEN16 | DISUSE_REG_GEN32 | DISUSE_REG_GEN64
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync | DISUSE_REG_FP | DISUSE_REG_MMX | DISUSE_REG_XMM | DISUSE_REG_CR
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync | DISUSE_REG_DBG | DISUSE_REG_SEG | DISUSE_REG_TEST))
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync {
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync case DISUSE_REG_GEN8:
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync {
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync Assert(pParam->base.reg_gen < RT_ELEMENTS(g_aszYasmRegGen8));
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync const char *psz = g_aszYasmRegGen8[pParam->base.reg_gen];
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync return psz;
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync }
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync case DISUSE_REG_GEN16:
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync {
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync Assert(pParam->base.reg_gen < RT_ELEMENTS(g_aszYasmRegGen16));
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync const char *psz = g_aszYasmRegGen16[pParam->base.reg_gen];
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync return psz;
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync }
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync case DISUSE_REG_GEN32:
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync {
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync Assert(pParam->base.reg_gen < RT_ELEMENTS(g_aszYasmRegGen32));
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync const char *psz = g_aszYasmRegGen32[pParam->base.reg_gen];
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync return psz;
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync }
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync case DISUSE_REG_GEN64:
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync {
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync Assert(pParam->base.reg_gen < RT_ELEMENTS(g_aszYasmRegGen64));
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync const char *psz = g_aszYasmRegGen64[pParam->base.reg_gen];
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync return psz;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync }
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync case DISUSE_REG_FP:
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync {
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync Assert(pParam->base.reg_fp < RT_ELEMENTS(g_aszYasmRegFP));
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync const char *psz = g_aszYasmRegFP[pParam->base.reg_fp];
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync *pcchReg = 3;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync return psz;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync }
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync case DISUSE_REG_MMX:
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync {
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync Assert(pParam->base.reg_mmx < RT_ELEMENTS(g_aszYasmRegMMX));
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync const char *psz = g_aszYasmRegMMX[pParam->base.reg_mmx];
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync *pcchReg = 3;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync return psz;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync }
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync case DISUSE_REG_XMM:
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync {
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync Assert(pParam->base.reg_xmm < RT_ELEMENTS(g_aszYasmRegXMM));
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync const char *psz = g_aszYasmRegXMM[pParam->base.reg_mmx];
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync *pcchReg = 4 + !!psz[4];
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync return psz;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync }
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync case DISUSE_REG_CR:
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync {
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync Assert(pParam->base.reg_ctrl < RT_ELEMENTS(g_aszYasmRegCRx));
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync const char *psz = g_aszYasmRegCRx[pParam->base.reg_ctrl];
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync *pcchReg = 3;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync return psz;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync }
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync case DISUSE_REG_DBG:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->base.reg_dbg < RT_ELEMENTS(g_aszYasmRegDRx));
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync const char *psz = g_aszYasmRegDRx[pParam->base.reg_dbg];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 3;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_REG_SEG:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->base.reg_seg < RT_ELEMENTS(g_aszYasmRegCRx));
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync const char *psz = g_aszYasmRegSeg[pParam->base.reg_seg];
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync *pcchReg = 2;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_REG_TEST:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->base.reg_test < RT_ELEMENTS(g_aszYasmRegTRx));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *psz = g_aszYasmRegTRx[pParam->base.reg_test];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 3;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync AssertMsgFailed(("%#x\n", pParam->fUse));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 3;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return "r??";
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync}
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/**
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Gets the index register name for the given parameter.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @returns The index register name.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param pCpu The disassembler cpu state.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param pParam The parameter.
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync * @param pcchReg Where to store the length of the name.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncstatic const char *disasmFormatYasmIndexReg(PCDISCPUSTATE pCpu, PCDISOPPARAM pParam, size_t *pcchReg)
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->uAddrMode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_16BIT:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->index.reg_gen < RT_ELEMENTS(g_aszYasmRegGen16));
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync const char *psz = g_aszYasmRegGen16[pParam->index.reg_gen];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_32BIT:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync Assert(pParam->index.reg_gen < RT_ELEMENTS(g_aszYasmRegGen32));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *psz = g_aszYasmRegGen32[pParam->index.reg_gen];
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync return psz;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync }
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync case DISCPUMODE_64BIT:
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync {
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync Assert(pParam->index.reg_gen < RT_ELEMENTS(g_aszYasmRegGen64));
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync const char *psz = g_aszYasmRegGen64[pParam->index.reg_gen];
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync return psz;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync }
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertMsgFailed(("%#x %#x\n", pParam->fUse, pCpu->uAddrMode));
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync *pcchReg = 3;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync return "r??";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync }
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync}
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
1389294d44ac76b0a25f5655756c9d39855a73efvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/**
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync * Formats the current instruction in Yasm (/ Nasm) style.
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync *
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync *
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync * @returns The number of output characters. If this is >= cchBuf, then the content
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * of pszBuf will be truncated.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param pCpu Pointer to the disassembler CPU state.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param pszBuf The output buffer.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param cchBuf The size of the output buffer.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param fFlags Format flags, see DIS_FORMAT_FLAGS_*.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param pfnGetSymbol Get symbol name for a jmp or call target address. Optional.
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync * @param pvUser User argument for pfnGetSymbol.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsyncDISDECL(size_t) DISFormatYasmEx(PCDISCPUSTATE pCpu, char *pszBuf, size_t cchBuf, uint32_t fFlags,
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync PFNDISGETSYMBOL pfnGetSymbol, void *pvUser)
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync{
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync /*
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync * Input validation and massaging.
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync */
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync AssertPtr(pCpu);
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync AssertPtrNull(pszBuf);
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync Assert(pszBuf || !cchBuf);
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync AssertPtrNull(pfnGetSymbol);
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync AssertMsg(DIS_FMT_FLAGS_IS_VALID(fFlags), ("%#x\n", fFlags));
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync if (fFlags & DIS_FMT_FLAGS_ADDR_COMMENT)
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync fFlags = (fFlags & ~DIS_FMT_FLAGS_ADDR_LEFT) | DIS_FMT_FLAGS_ADDR_RIGHT;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync if (fFlags & DIS_FMT_FLAGS_BYTES_COMMENT)
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync fFlags = (fFlags & ~DIS_FMT_FLAGS_BYTES_LEFT) | DIS_FMT_FLAGS_BYTES_RIGHT;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync PCDISOPCODE const pOp = pCpu->pCurInstr;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync /*
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync * Output macros
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync char *pszDst = pszBuf;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync size_t cchDst = cchBuf;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync size_t cchOutput = 0;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync#define PUT_C(ch) \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync do { \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync cchOutput++; \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync if (cchDst > 1) \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync { \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync cchDst--; \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync *pszDst++ = (ch); \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync } \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync } while (0)
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync#define PUT_STR(pszSrc, cchSrc) \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync do { \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync cchOutput += (cchSrc); \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync if (cchDst > (cchSrc)) \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync { \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync memcpy(pszDst, (pszSrc), (cchSrc)); \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync pszDst += (cchSrc); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchDst -= (cchSrc); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (cchDst > 1) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync memcpy(pszDst, (pszSrc), cchDst - 1); \
359416647a711739d1b14addbf399178949a1a60vboxsync pszDst += cchDst - 1; \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync cchDst = 1; \
359416647a711739d1b14addbf399178949a1a60vboxsync } \
359416647a711739d1b14addbf399178949a1a60vboxsync } while (0)
359416647a711739d1b14addbf399178949a1a60vboxsync#define PUT_SZ(sz) \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync PUT_STR((sz), sizeof(sz) - 1)
359416647a711739d1b14addbf399178949a1a60vboxsync#define PUT_SZ_STRICT(szStrict, szRelaxed) \
359416647a711739d1b14addbf399178949a1a60vboxsync do { if (fFlags & DIS_FMT_FLAGS_STRICT) PUT_SZ(szStrict); else PUT_SZ(szRelaxed); } while (0)
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync#define PUT_PSZ(psz) \
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync do { const size_t cchTmp = strlen(psz); PUT_STR((psz), cchTmp); } while (0)
6902a98267d5180fb081cb5273751d0a628bf04dvboxsync#define PUT_NUM(cch, fmt, num) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync do { \
1389294d44ac76b0a25f5655756c9d39855a73efvboxsync cchOutput += (cch); \
1389294d44ac76b0a25f5655756c9d39855a73efvboxsync if (cchDst > 1) \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync { \
1389294d44ac76b0a25f5655756c9d39855a73efvboxsync const size_t cchTmp = RTStrPrintf(pszDst, cchDst, fmt, (num)); \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync pszDst += cchTmp; \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync cchDst -= cchTmp; \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync Assert(cchTmp == (cch) || cchDst == 1); \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync } \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync } while (0)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync/** @todo add two flags for choosing between %X / %x and h / 0x. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_8(num) PUT_NUM(4, "0%02xh", (uint8_t)(num))
1389294d44ac76b0a25f5655756c9d39855a73efvboxsync#define PUT_NUM_16(num) PUT_NUM(6, "0%04xh", (uint16_t)(num))
1389294d44ac76b0a25f5655756c9d39855a73efvboxsync#define PUT_NUM_32(num) PUT_NUM(10, "0%08xh", (uint32_t)(num))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_64(num) PUT_NUM(18, "0%016RX64h", (uint64_t)(num))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_SIGN(cch, fmt, num, stype, utype) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync do { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ((stype)(num) >= 0) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('+'); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM(cch, fmt, (utype)(num)); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('-'); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM(cch, fmt, (utype)-(stype)(num)); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } while (0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_S8(num) PUT_NUM_SIGN(4, "0%02xh", num, int8_t, uint8_t)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_S16(num) PUT_NUM_SIGN(6, "0%04xh", num, int16_t, uint16_t)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_S32(num) PUT_NUM_SIGN(10, "0%08xh", num, int32_t, uint32_t)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_S64(num) PUT_NUM_SIGN(18, "0%016RX64h", num, int64_t, uint64_t)
359416647a711739d1b14addbf399178949a1a60vboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
359416647a711739d1b14addbf399178949a1a60vboxsync * The address?
359416647a711739d1b14addbf399178949a1a60vboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync if (fFlags & DIS_FMT_FLAGS_ADDR_LEFT)
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync#if HC_ARCH_BITS == 64 || GC_ARCH_BITS == 64
359416647a711739d1b14addbf399178949a1a60vboxsync if (pCpu->uInstrAddr >= _4G)
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_NUM(9, "%08x`", (uint32_t)(pCpu->uInstrAddr >> 32));
359416647a711739d1b14addbf399178949a1a60vboxsync#endif
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_NUM(8, "%08x", (uint32_t)pCpu->uInstrAddr);
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_C(' ');
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
359416647a711739d1b14addbf399178949a1a60vboxsync * The opcode bytes?
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync if (fFlags & DIS_FMT_FLAGS_BYTES_LEFT)
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync size_t cchTmp = disFormatBytes(pCpu, pszDst, cchDst, fFlags);
359416647a711739d1b14addbf399178949a1a60vboxsync cchOutput += cchTmp;
359416647a711739d1b14addbf399178949a1a60vboxsync if (cchDst > 1)
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync if (cchTmp <= cchDst)
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync cchDst -= cchTmp;
359416647a711739d1b14addbf399178949a1a60vboxsync pszDst += cchTmp;
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync else
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync pszDst += cchDst - 1;
359416647a711739d1b14addbf399178949a1a60vboxsync cchDst = 1;
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /* Some padding to align the instruction. */
359416647a711739d1b14addbf399178949a1a60vboxsync size_t cchPadding = (7 * (2 + !!(fFlags & DIS_FMT_FLAGS_BYTES_SPACED)))
359416647a711739d1b14addbf399178949a1a60vboxsync + !!(fFlags & DIS_FMT_FLAGS_BYTES_BRACKETS) * 2
359416647a711739d1b14addbf399178949a1a60vboxsync + 2;
359416647a711739d1b14addbf399178949a1a60vboxsync cchPadding = cchTmp + 1 >= cchPadding ? 1 : cchPadding - cchTmp;
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_STR(g_szSpaces, cchPadding);
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Filter out invalid opcodes first as they need special
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * treatment. UD2 is an exception and should be handled normally.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t const offInstruction = cchOutput;
359416647a711739d1b14addbf399178949a1a60vboxsync if ( pOp->uOpcode == OP_INVALID
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( pOp->uOpcode == OP_ILLUD2
359416647a711739d1b14addbf399178949a1a60vboxsync && (pCpu->fPrefix & DISPREFIX_LOCK)))
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync }
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync else
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync /*
359416647a711739d1b14addbf399178949a1a60vboxsync * Prefixes
359416647a711739d1b14addbf399178949a1a60vboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync if (pCpu->fPrefix & DISPREFIX_LOCK)
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_SZ("lock ");
359416647a711739d1b14addbf399178949a1a60vboxsync if(pCpu->fPrefix & DISPREFIX_REP)
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_SZ("rep ");
359416647a711739d1b14addbf399178949a1a60vboxsync else if(pCpu->fPrefix & DISPREFIX_REPNE)
ad290511521ce8388a9926b165241ecf83c330a7vboxsync PUT_SZ("repne ");
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
359416647a711739d1b14addbf399178949a1a60vboxsync * Adjust the format string to the correct mnemonic
359416647a711739d1b14addbf399178949a1a60vboxsync * or to avoid things the assembler cannot handle correctly.
359416647a711739d1b14addbf399178949a1a60vboxsync */
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync char szTmpFmt[48];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *pszFmt = pOp->pszOpcode;
359416647a711739d1b14addbf399178949a1a60vboxsync switch (pOp->uOpcode)
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_JECXZ:
ad290511521ce8388a9926b165241ecf83c330a7vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "jcxz %Jb" : pCpu->uOpMode == DISCPUMODE_32BIT ? "jecxz %Jb" : "jrcxz %Jb";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync case OP_PUSHF:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "pushfw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "pushfd" : "pushfq";
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync break;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync case OP_POPF:
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "popfw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "popfd" : "popfq";
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync break;
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync case OP_PUSHA:
ad290511521ce8388a9926b165241ecf83c330a7vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "pushaw" : "pushad";
bdbed0b8e7fb553d01417fdc976a76f3b287dbe2vboxsync break;
ad290511521ce8388a9926b165241ecf83c330a7vboxsync case OP_POPA:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "popaw" : "popad";
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_INSB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszFmt = "insb";
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync case OP_INSWD:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "insw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "insd" : "insq";
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_OUTSB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszFmt = "outsb";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_OUTSWD:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "outsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "outsd" : "outsq";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_MOVSB:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "movsb";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_MOVSWD:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "movsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "movsd" : "movsq";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_CMPSB:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "cmpsb";
abac45bdfa95437daba28dd2d94bf7e0a25f75cdvboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_CMPWD:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "cmpsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "cmpsd" : "cmpsq";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_SCASB:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "scasb";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_SCASWD:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "scasw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "scasd" : "scasq";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync case OP_LODSB:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "lodsb";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_LODSWD:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "lodsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "lodsd" : "lodsq";
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_STOSB:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "stosb";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_STOSWD:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "stosw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "stosd" : "stosq";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_CBW:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "cbw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "cwde" : "cdqe";
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_CWD:
329df9696e709dc71611f504a4774f323545be0avboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "cwd" : pCpu->uOpMode == DISCPUMODE_32BIT ? "cdq" : "cqo";
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_SHL:
359416647a711739d1b14addbf399178949a1a60vboxsync Assert(pszFmt[3] == '/');
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt += 4;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_XLAT:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "xlatb";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_INT3:
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "int3";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * Don't know how to tell yasm to generate complicated nop stuff, so 'db' it.
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_NOP:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (pCpu->bOpCode == 0x90)
359416647a711739d1b14addbf399178949a1a60vboxsync /* fine, fine */;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync else if (pszFmt[sizeof("nop %Ev") - 1] == '/' && pszFmt[sizeof("nop %Ev")] == 'p')
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = "prefetch %Eb";
359416647a711739d1b14addbf399178949a1a60vboxsync else if (pCpu->bOpCode == 0x1f)
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync Assert(pCpu->cbInstr >= 3);
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_SZ("db 00fh, 01fh,");
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_NUM_8(pCpu->ModRM.u);
359416647a711739d1b14addbf399178949a1a60vboxsync for (unsigned i = 3; i < pCpu->cbInstr; i++)
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_C(',');
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_NUM_8(0x90); ///@todo fixme.
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = "";
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync default:
359416647a711739d1b14addbf399178949a1a60vboxsync /* ST(X) -> stX (floating point) */
359416647a711739d1b14addbf399178949a1a60vboxsync if (*pszFmt == 'f' && strchr(pszFmt, '('))
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync char *pszFmtDst = szTmpFmt;
359416647a711739d1b14addbf399178949a1a60vboxsync char ch;
359416647a711739d1b14addbf399178949a1a60vboxsync do
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync ch = *pszFmt++;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (ch == 'S' && pszFmt[0] == 'T' && pszFmt[1] == '(')
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync *pszFmtDst++ = 's';
09f4b412099acda62997fd82c8608075c453b3ebvboxsync *pszFmtDst++ = 't';
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt += 2;
359416647a711739d1b14addbf399178949a1a60vboxsync ch = *pszFmt;
359416647a711739d1b14addbf399178949a1a60vboxsync Assert(pszFmt[1] == ')');
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt += 2;
359416647a711739d1b14addbf399178949a1a60vboxsync *pszFmtDst++ = ch;
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync else
635c83753ed04cf3637e019af0e15ba40e07f2fevboxsync *pszFmtDst++ = ch;
359416647a711739d1b14addbf399178949a1a60vboxsync } while (ch != '\0');
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt = szTmpFmt;
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
359416647a711739d1b14addbf399178949a1a60vboxsync * Horrible hacks.
359416647a711739d1b14addbf399178949a1a60vboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_FLD:
359416647a711739d1b14addbf399178949a1a60vboxsync if (pCpu->bOpCode == 0xdb) /* m80fp workaround. */
09f4b412099acda62997fd82c8608075c453b3ebvboxsync *(int *)&pCpu->Param1.fParam &= ~0x1f; /* make it pure OP_PARM_M */
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_LAR: /* hack w -> v, probably not correct. */
359416647a711739d1b14addbf399178949a1a60vboxsync *(int *)&pCpu->Param2.fParam &= ~0x1f;
359416647a711739d1b14addbf399178949a1a60vboxsync *(int *)&pCpu->Param2.fParam |= OP_PARM_v;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync
09f4b412099acda62997fd82c8608075c453b3ebvboxsync /*
09f4b412099acda62997fd82c8608075c453b3ebvboxsync * Formatting context and associated macros.
359416647a711739d1b14addbf399178949a1a60vboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync PCDISOPPARAM pParam = &pCpu->Param1;
359416647a711739d1b14addbf399178949a1a60vboxsync int iParam = 1;
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync#define PUT_FAR() \
359416647a711739d1b14addbf399178949a1a60vboxsync do { \
359416647a711739d1b14addbf399178949a1a60vboxsync if ( OP_PARM_VSUBTYPE(pParam->fParam) == OP_PARM_p \
359416647a711739d1b14addbf399178949a1a60vboxsync && pOp->uOpcode != OP_LDS /* table bugs? */ \
359416647a711739d1b14addbf399178949a1a60vboxsync && pOp->uOpcode != OP_LES \
359416647a711739d1b14addbf399178949a1a60vboxsync && pOp->uOpcode != OP_LFS \
359416647a711739d1b14addbf399178949a1a60vboxsync && pOp->uOpcode != OP_LGS \
359416647a711739d1b14addbf399178949a1a60vboxsync && pOp->uOpcode != OP_LSS ) \
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_SZ("far "); \
359416647a711739d1b14addbf399178949a1a60vboxsync } while (0)
359416647a711739d1b14addbf399178949a1a60vboxsync /** @todo mov ah,ch ends up with a byte 'override'... - check if this wasn't fixed. */
359416647a711739d1b14addbf399178949a1a60vboxsync /** @todo drop the work/dword/qword override when the src/dst is a register (except for movsx/movzx). */
359416647a711739d1b14addbf399178949a1a60vboxsync#define PUT_SIZE_OVERRIDE() \
359416647a711739d1b14addbf399178949a1a60vboxsync do { \
359416647a711739d1b14addbf399178949a1a60vboxsync switch (OP_PARM_VSUBTYPE(pParam->fParam)) \
359416647a711739d1b14addbf399178949a1a60vboxsync { \
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_PARM_v: \
359416647a711739d1b14addbf399178949a1a60vboxsync switch (pCpu->uOpMode) \
359416647a711739d1b14addbf399178949a1a60vboxsync { \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case DISCPUMODE_16BIT: PUT_SZ("word "); break; \
359416647a711739d1b14addbf399178949a1a60vboxsync case DISCPUMODE_32BIT: PUT_SZ("dword "); break; \
359416647a711739d1b14addbf399178949a1a60vboxsync case DISCPUMODE_64BIT: PUT_SZ("qword "); break; \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync default: break; \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync } \
359416647a711739d1b14addbf399178949a1a60vboxsync break; \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_PARM_b: PUT_SZ("byte "); break; \
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_PARM_w: PUT_SZ("word "); break; \
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_PARM_d: PUT_SZ("dword "); break; \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_PARM_q: PUT_SZ("qword "); break; \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_PARM_dq: \
359416647a711739d1b14addbf399178949a1a60vboxsync if (OP_PARM_VTYPE(pParam->fParam) != OP_PARM_W) /* these are 128 bit, pray they are all unambiguous.. */ \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_SZ("qword "); \
359416647a711739d1b14addbf399178949a1a60vboxsync break; \
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_PARM_p: break; /* see PUT_FAR */ \
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_PARM_s: if (pParam->fUse & DISUSE_REG_FP) PUT_SZ("tword "); break; /* ?? */ \
359416647a711739d1b14addbf399178949a1a60vboxsync case OP_PARM_z: break; \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_PARM_NONE: \
359416647a711739d1b14addbf399178949a1a60vboxsync if ( OP_PARM_VTYPE(pParam->fParam) == OP_PARM_M \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync && ((pParam->fUse & DISUSE_REG_FP) || pOp->uOpcode == OP_FLD)) \
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_SZ("tword "); \
359416647a711739d1b14addbf399178949a1a60vboxsync break; \
359416647a711739d1b14addbf399178949a1a60vboxsync default: break; /*no pointer type specified/necessary*/ \
359416647a711739d1b14addbf399178949a1a60vboxsync } \
359416647a711739d1b14addbf399178949a1a60vboxsync } while (0)
359416647a711739d1b14addbf399178949a1a60vboxsync static const char s_szSegPrefix[6][4] = { "es:", "cs:", "ss:", "ds:", "fs:", "gs:" };
359416647a711739d1b14addbf399178949a1a60vboxsync#define PUT_SEGMENT_OVERRIDE() \
09f4b412099acda62997fd82c8608075c453b3ebvboxsync do { \
359416647a711739d1b14addbf399178949a1a60vboxsync if (pCpu->fPrefix & DISPREFIX_SEG) \
359416647a711739d1b14addbf399178949a1a60vboxsync PUT_STR(s_szSegPrefix[pCpu->idxSegPrefix], 3); \
359416647a711739d1b14addbf399178949a1a60vboxsync } while (0)
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
359416647a711739d1b14addbf399178949a1a60vboxsync * Segment prefixing for instructions that doesn't do memory access.
359416647a711739d1b14addbf399178949a1a60vboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync if ( (pCpu->fPrefix & DISPREFIX_SEG)
359416647a711739d1b14addbf399178949a1a60vboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->Param1.fUse)
359416647a711739d1b14addbf399178949a1a60vboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->Param2.fUse)
09f4b412099acda62997fd82c8608075c453b3ebvboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->Param3.fUse))
359416647a711739d1b14addbf399178949a1a60vboxsync {
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_STR(s_szSegPrefix[pCpu->idxSegPrefix], 2);
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_C(' ');
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync /*
359416647a711739d1b14addbf399178949a1a60vboxsync * The formatting loop.
359416647a711739d1b14addbf399178949a1a60vboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync RTINTPTR off;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync char szSymbol[128];
359416647a711739d1b14addbf399178949a1a60vboxsync char ch;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync while ((ch = *pszFmt++) != '\0')
635c83753ed04cf3637e019af0e15ba40e07f2fevboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync if (ch == '%')
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync ch = *pszFmt++;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync switch (ch)
09f4b412099acda62997fd82c8608075c453b3ebvboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync /*
09f4b412099acda62997fd82c8608075c453b3ebvboxsync * ModRM - Register only.
359416647a711739d1b14addbf399178949a1a60vboxsync */
359416647a711739d1b14addbf399178949a1a60vboxsync case 'C': /* Control register (ParseModRM / UseModRM). */
359416647a711739d1b14addbf399178949a1a60vboxsync case 'D': /* Debug register (ParseModRM / UseModRM). */
359416647a711739d1b14addbf399178949a1a60vboxsync case 'G': /* ModRM selects general register (ParseModRM / UseModRM). */
359416647a711739d1b14addbf399178949a1a60vboxsync case 'S': /* ModRM byte selects a segment register (ParseModRM / UseModRM). */
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case 'T': /* ModRM byte selects a test register (ParseModRM / UseModRM). */
359416647a711739d1b14addbf399178949a1a60vboxsync case 'V': /* ModRM byte selects an XMM/SSE register (ParseModRM / UseModRM). */
359416647a711739d1b14addbf399178949a1a60vboxsync case 'P': /* ModRM byte selects MMX register (ParseModRM / UseModRM). */
359416647a711739d1b14addbf399178949a1a60vboxsync {
359416647a711739d1b14addbf399178949a1a60vboxsync pszFmt += RT_C_IS_ALPHA(pszFmt[0]) ? RT_C_IS_ALPHA(pszFmt[1]) ? 2 : 1 : 0;
359416647a711739d1b14addbf399178949a1a60vboxsync Assert(!(pParam->fUse & (DISUSE_INDEX | DISUSE_SCALE) /* No SIB here... */));
359416647a711739d1b14addbf399178949a1a60vboxsync Assert(!(pParam->fUse & (DISUSE_DISPLACEMENT8 | DISUSE_DISPLACEMENT16 | DISUSE_DISPLACEMENT32 | DISUSE_DISPLACEMENT64 | DISUSE_RIPDISPLACEMENT32)));
635c83753ed04cf3637e019af0e15ba40e07f2fevboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync size_t cchReg;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync const char *pszReg = disasmFormatYasmBaseReg(pCpu, pParam, &cchReg);
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_STR(pszReg, cchReg);
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * ModRM - Register or memory.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync case 'E': /* ModRM specifies parameter (ParseModRM / UseModRM / UseSIB). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'Q': /* ModRM byte selects MMX register or memory address (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'R': /* ModRM byte may only refer to a general register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'W': /* ModRM byte selects an XMM/SSE register or a memory address (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'M': /* ModRM may only refer to memory (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszFmt += RT_C_IS_ALPHA(pszFmt[0]) ? RT_C_IS_ALPHA(pszFmt[1]) ? 2 : 1 : 0;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_FAR();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync uint32_t const fUse = pParam->fUse;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (DISUSE_IS_EFFECTIVE_ADDR(fUse))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* Work around mov seg,[mem16] and mov [mem16],seg as these always make a 16-bit mem
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync while the register variants deals with 16, 32 & 64 in the normal fashion. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pParam->fParam != OP_PARM_Ev
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || pOp->uOpcode != OP_MOV
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( pOp->fParam1 != OP_PARM_Sw
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync && pOp->fParam2 != OP_PARM_Sw))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SIZE_OVERRIDE();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('[');
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( (fFlags & DIS_FMT_FLAGS_STRICT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (fUse & (DISUSE_DISPLACEMENT8 | DISUSE_DISPLACEMENT16 | DISUSE_DISPLACEMENT32 | DISUSE_DISPLACEMENT64 | DISUSE_RIPDISPLACEMENT32)))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( (fUse & DISUSE_DISPLACEMENT8)
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && !pParam->uDisp.i8)
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SZ("byte ");
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync else if ( (fUse & DISUSE_DISPLACEMENT16)
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && (int8_t)pParam->uDisp.i16 == (int16_t)pParam->uDisp.i16)
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SZ("word ");
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync else if ( (fUse & DISUSE_DISPLACEMENT32)
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && (int16_t)pParam->uDisp.i32 == (int32_t)pParam->uDisp.i32) //??
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SZ("dword ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ( (fUse & DISUSE_DISPLACEMENT64)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (pCpu->SIB.Bits.Base != 5 || pCpu->ModRM.Bits.Mod != 0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (int32_t)pParam->uDisp.i64 == (int64_t)pParam->uDisp.i64) //??
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SZ("qword ");
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (DISUSE_IS_EFFECTIVE_ADDR(fUse))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SEGMENT_OVERRIDE();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync bool fBase = (fUse & DISUSE_BASE) /* When exactly is DISUSE_BASE supposed to be set? disasmModRMReg doesn't set it. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( (fUse & ( DISUSE_REG_GEN8
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_GEN16
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_GEN32
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_GEN64
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_FP
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_MMX
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_XMM
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_CR
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_DBG
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_SEG
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_REG_TEST ))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && !DISUSE_IS_EFFECTIVE_ADDR(fUse));
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if (fBase)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchReg;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *pszReg = disasmFormatYasmBaseReg(pCpu, pParam, &cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(pszReg, cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fUse & DISUSE_INDEX)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fBase)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('+');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchReg;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *pszReg = disasmFormatYasmIndexReg(pCpu, pParam, &cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(pszReg, cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fUse & DISUSE_SCALE)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_C('*');
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_C('0' + pParam->scale);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync else
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync Assert(!(fUse & DISUSE_SCALE));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fUse & (DISUSE_DISPLACEMENT8 | DISUSE_DISPLACEMENT16 | DISUSE_DISPLACEMENT32 | DISUSE_DISPLACEMENT64 | DISUSE_RIPDISPLACEMENT32))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync int64_t off2;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fUse & DISUSE_DISPLACEMENT8)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync off2 = pParam->uDisp.i8;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (fUse & DISUSE_DISPLACEMENT16)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync off2 = pParam->uDisp.i16;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (fUse & (DISUSE_DISPLACEMENT32 | DISUSE_RIPDISPLACEMENT32))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync off2 = pParam->uDisp.i32;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (fUse & DISUSE_DISPLACEMENT64)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync off2 = pParam->uDisp.i64;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertFailed();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync off2 = 0;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fBase || (fUse & DISUSE_INDEX))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(off2 >= 0 ? '+' : '-');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (off2 < 0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync off2 = -off2;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fUse & DISUSE_DISPLACEMENT8)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_8( off2);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (fUse & DISUSE_DISPLACEMENT16)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(off2);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (fUse & DISUSE_DISPLACEMENT32)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(off2);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (fUse & DISUSE_DISPLACEMENT64)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_64(off2);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(off2);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ(" wrt rip"); //??
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync }
359416647a711739d1b14addbf399178949a1a60vboxsync
359416647a711739d1b14addbf399178949a1a60vboxsync if (DISUSE_IS_EFFECTIVE_ADDR(fUse))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(']');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'F': /* Eflags register (0 - popf/pushf only, avoided in adjustments above). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertFailed();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'I': /* Immediate data (ParseImmByte, ParseImmByteSX, ParseImmV, ParseImmUshort, ParseImmZ). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(*pszFmt == 'b' || *pszFmt == 'v' || *pszFmt == 'w' || *pszFmt == 'z'); pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pParam->fUse & ( DISUSE_IMMEDIATE8 | DISUSE_IMMEDIATE16 | DISUSE_IMMEDIATE32 | DISUSE_IMMEDIATE64
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync | DISUSE_IMMEDIATE16_SX8 | DISUSE_IMMEDIATE32_SX8 | DISUSE_IMMEDIATE64_SX8))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE8:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( (fFlags & DIS_FMT_FLAGS_STRICT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && ( (pOp->fParam1 >= OP_PARM_REG_GEN8_START && pOp->fParam1 <= OP_PARM_REG_GEN8_END)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || (pOp->fParam2 >= OP_PARM_REG_GEN8_START && pOp->fParam2 <= OP_PARM_REG_GEN8_END))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync )
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("strict byte ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_8(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE16:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->uCpuMode != pCpu->uOpMode
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( (fFlags & DIS_FMT_FLAGS_STRICT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && ( (int8_t)pParam->parval == (int16_t)pParam->parval
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || (pOp->fParam1 >= OP_PARM_REG_GEN16_START && pOp->fParam1 <= OP_PARM_REG_GEN16_END)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || (pOp->fParam2 >= OP_PARM_REG_GEN16_START && pOp->fParam2 <= OP_PARM_REG_GEN16_END))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync )
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync )
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (OP_PARM_VSUBTYPE(pParam->fParam) == OP_PARM_b)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ_STRICT("strict byte ", "byte ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ( OP_PARM_VSUBTYPE(pParam->fParam) == OP_PARM_v
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || OP_PARM_VSUBTYPE(pParam->fParam) == OP_PARM_z)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ_STRICT("strict word ", "word ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync PUT_NUM_16(pParam->parval);
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync break;
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE16_SX8:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ_STRICT("strict byte ", "byte ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE32:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->uOpMode != (pCpu->uCpuMode == DISCPUMODE_16BIT ? DISCPUMODE_16BIT : DISCPUMODE_32BIT) /* not perfect */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( (fFlags & DIS_FMT_FLAGS_STRICT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && ( (int8_t)pParam->parval == (int32_t)pParam->parval
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || (pOp->fParam1 >= OP_PARM_REG_GEN32_START && pOp->fParam1 <= OP_PARM_REG_GEN32_END)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || (pOp->fParam2 >= OP_PARM_REG_GEN32_START && pOp->fParam2 <= OP_PARM_REG_GEN32_END))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync )
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync )
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (OP_PARM_VSUBTYPE(pParam->fParam) == OP_PARM_b)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ_STRICT("strict byte ", "byte ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ( OP_PARM_VSUBTYPE(pParam->fParam) == OP_PARM_v
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || OP_PARM_VSUBTYPE(pParam->fParam) == OP_PARM_z)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ_STRICT("strict dword ", "dword ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE32_SX8:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ_STRICT("strict byte ", "byte ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE64_SX8:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ_STRICT("strict byte ", "byte ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_64(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE64:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_64(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertFailed();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'J': /* Relative jump offset (ParseImmBRel + ParseImmVRel). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync int32_t offDisplacement;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(iParam == 1);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync bool fPrefix = (fFlags & DIS_FMT_FLAGS_STRICT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pOp->uOpcode != OP_CALL
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pOp->uOpcode != OP_LOOP
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pOp->uOpcode != OP_LOOPE
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pOp->uOpcode != OP_LOOPNE
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pOp->uOpcode != OP_JECXZ;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pOp->uOpcode == OP_CALL)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync fFlags &= ~DIS_FMT_FLAGS_RELATIVE_BRANCH;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pParam->fUse & DISUSE_IMMEDIATE8_REL)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefix)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("short ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync offDisplacement = (int8_t)pParam->parval;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(*pszFmt == 'b'); pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S8(offDisplacement);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (pParam->fUse & DISUSE_IMMEDIATE16_REL)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefix)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("near ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync offDisplacement = (int16_t)pParam->parval;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(*pszFmt == 'v'); pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
ad290511521ce8388a9926b165241ecf83c330a7vboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_S16(offDisplacement);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (fPrefix)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ("near ");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync offDisplacement = (int32_t)pParam->parval;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync Assert(pParam->fUse & (DISUSE_IMMEDIATE32_REL|DISUSE_IMMEDIATE64_REL));
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync Assert(*pszFmt == 'v'); pszFmt++;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_S32(offDisplacement);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ(" (");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync RTUINTPTR uTrgAddr = pCpu->uInstrAddr + pCpu->cbInstr + offDisplacement;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (pCpu->uCpuMode == DISCPUMODE_16BIT)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_16(uTrgAddr);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else if (pCpu->uCpuMode == DISCPUMODE_32BIT)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_32(uTrgAddr);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_64(uTrgAddr);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (pfnGetSymbol)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync int rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), uTrgAddr, szSymbol, sizeof(szSymbol), &off, pvUser);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (RT_SUCCESS(rc))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ(" [");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_PSZ(szSymbol);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (off != 0)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if ((int8_t)off == off)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_S8(off);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else if ((int16_t)off == off)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_S16(off);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else if ((int32_t)off == off)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_S32(off);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_S64(off);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_C(']');
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_C(')');
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case 'A': /* Direct (jump/call) address (ParseImmAddr). */
ad290511521ce8388a9926b165241ecf83c330a7vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync Assert(*pszFmt == 'p'); pszFmt++;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_FAR();
ad290511521ce8388a9926b165241ecf83c330a7vboxsync PUT_SIZE_OVERRIDE();
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SEGMENT_OVERRIDE();
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync int rc = VERR_SYMBOL_NOT_FOUND;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync switch (pParam->fUse & (DISUSE_IMMEDIATE_ADDR_16_16 | DISUSE_IMMEDIATE_ADDR_16_32 | DISUSE_DISPLACEMENT64 | DISUSE_DISPLACEMENT32 | DISUSE_DISPLACEMENT16))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_IMMEDIATE_ADDR_16_16:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_16(pParam->parval >> 16);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_C(':');
ad290511521ce8388a9926b165241ecf83c330a7vboxsync PUT_NUM_16(pParam->parval);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (pfnGetSymbol)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_VALUE(pParam->parval >> 16), (uint16_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_IMMEDIATE_ADDR_16_32:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_16(pParam->parval >> 32);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_C(':');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_VALUE(pParam->parval >> 16), (uint32_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_DISPLACEMENT16:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), (uint16_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_DISPLACEMENT32:
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_NUM_32(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), (uint32_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_DISPLACEMENT64:
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_NUM_64(pParam->parval);
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync if (pfnGetSymbol)
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), (uint64_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync break;
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync default:
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync AssertFailed();
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync break;
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync }
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync if (RT_SUCCESS(rc))
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync {
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_SZ(" [");
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_PSZ(szSymbol);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (off != 0)
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync {
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync if ((int8_t)off == off)
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_NUM_S8(off);
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync else if ((int16_t)off == off)
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_NUM_S16(off);
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync else if ((int32_t)off == off)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S32(off);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S64(off);
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(']');
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync }
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync break;
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync }
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync case 'O': /* No ModRM byte (ParseImmAddr). */
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync {
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync Assert(*pszFmt == 'b' || *pszFmt == 'v'); pszFmt++;
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_FAR();
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_SIZE_OVERRIDE();
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync PUT_C('[');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SEGMENT_OVERRIDE();
00ef464add2ac67ce0d698c9d02f720ef9e9a372vboxsync int rc = VERR_SYMBOL_NOT_FOUND;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pParam->fUse & (DISUSE_IMMEDIATE_ADDR_16_16 | DISUSE_IMMEDIATE_ADDR_16_32 | DISUSE_DISPLACEMENT64 | DISUSE_DISPLACEMENT32 | DISUSE_DISPLACEMENT16))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE_ADDR_16_16:
2721dfb0e330d57ba888311520f5a343c64e7cefvboxsync PUT_NUM_16(pParam->parval >> 16);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(':');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_VALUE(pParam->parval >> 16), (uint16_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE_ADDR_16_32:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval >> 32);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(':');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(pParam->parval);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_VALUE(pParam->parval >> 16), (uint32_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_DISPLACEMENT16:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->uDisp.i16);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), pParam->uDisp.u16, szSymbol, sizeof(szSymbol), &off, pvUser);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_DISPLACEMENT32:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(pParam->uDisp.i32);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), pParam->uDisp.u32, szSymbol, sizeof(szSymbol), &off, pvUser);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_DISPLACEMENT64:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_64(pParam->uDisp.i64);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), pParam->uDisp.u64, szSymbol, sizeof(szSymbol), &off, pvUser);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertFailed();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(']');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (RT_SUCCESS(rc))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ(" (");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_PSZ(szSymbol);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (off != 0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ((int8_t)off == off)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S8(off);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ((int16_t)off == off)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S16(off);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ((int32_t)off == off)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S32(off);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S64(off);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(')');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'X': /* DS:SI (ParseXb, ParseXv). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'Y': /* ES:DI (ParseYb, ParseYv). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(*pszFmt == 'b' || *pszFmt == 'v'); pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_FAR();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SIZE_OVERRIDE();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('[');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pParam->fUse & DISUSE_POINTER_DS_BASED)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("ds:");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("es:");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchReg;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *pszReg = disasmFormatYasmBaseReg(pCpu, pParam, &cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(pszReg, cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(']');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'e': /* Register based on operand size (e.g. %eAX) (ParseFixedReg). */
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(RT_C_IS_ALPHA(pszFmt[0]) && RT_C_IS_ALPHA(pszFmt[1]) && !RT_C_IS_ALPHA(pszFmt[2])); pszFmt += 2;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchReg;
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync const char *pszReg = disasmFormatYasmBaseReg(pCpu, pParam, &cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(pszReg, cchReg);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertMsgFailed(("%c%s!\n", ch, pszFmt));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync AssertMsg(*pszFmt == ',' || *pszFmt == '\0', ("%c%s\n", ch, pszFmt));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
ad290511521ce8388a9926b165241ecf83c330a7vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_C(ch);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (ch == ',')
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync Assert(*pszFmt != ' ');
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_C(' ');
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync switch (++iParam)
4ae5315434291f40e413118cd24a212532bbe572vboxsync {
f068575233c08526611dbe29684bee5f2cbe7144vboxsync case 2: pParam = &pCpu->Param2; break;
f068575233c08526611dbe29684bee5f2cbe7144vboxsync case 3: pParam = &pCpu->Param3; break;
f068575233c08526611dbe29684bee5f2cbe7144vboxsync default: pParam = NULL; break;
f068575233c08526611dbe29684bee5f2cbe7144vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync } /* while more to format */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
f068575233c08526611dbe29684bee5f2cbe7144vboxsync /*
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync * Any additional output to the right of the instruction?
ad290511521ce8388a9926b165241ecf83c330a7vboxsync */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (fFlags & (DIS_FMT_FLAGS_BYTES_RIGHT | DIS_FMT_FLAGS_ADDR_RIGHT))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* some up front padding. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchPadding = cchOutput - offInstruction;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchPadding = cchPadding + 1 >= 42 ? 1 : 42 - cchPadding;
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_STR(g_szSpaces, cchPadding);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* comment? */
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if (fFlags & (DIS_FMT_FLAGS_BYTES_RIGHT | DIS_FMT_FLAGS_ADDR_RIGHT))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ(";");
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync /*
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync * The address?
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if (fFlags & DIS_FMT_FLAGS_ADDR_RIGHT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(' ');
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync#if HC_ARCH_BITS == 64 || GC_ARCH_BITS == 64
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if (pCpu->uInstrAddr >= _4G)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM(9, "%08x`", (uint32_t)(pCpu->uInstrAddr >> 32));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#endif
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_NUM(8, "%08x", (uint32_t)pCpu->uInstrAddr);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync /*
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync * Opcode bytes?
09f4b412099acda62997fd82c8608075c453b3ebvboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (fFlags & DIS_FMT_FLAGS_BYTES_RIGHT)
09f4b412099acda62997fd82c8608075c453b3ebvboxsync {
635c83753ed04cf3637e019af0e15ba40e07f2fevboxsync PUT_C(' ');
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync size_t cchTmp = disFormatBytes(pCpu, pszDst, cchDst, fFlags);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync cchOutput += cchTmp;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (cchTmp >= cchDst)
5295c362853081eaa3944247171746a3aad9a826vboxsync cchTmp = cchDst - (cchDst != 0);
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync cchDst -= cchTmp;
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync pszDst += cchTmp;
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Terminate it - on overflow we'll have reserved one byte for this.
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync */
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync if (cchDst > 0)
ad290511521ce8388a9926b165241ecf83c330a7vboxsync *pszDst = '\0';
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync else
ad290511521ce8388a9926b165241ecf83c330a7vboxsync Assert(!cchBuf);
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync /* clean up macros */
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync#undef PUT_PSZ
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync#undef PUT_SZ
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync#undef PUT_STR
ad290511521ce8388a9926b165241ecf83c330a7vboxsync#undef PUT_C
7b6926b2bf44f326f40e1d9d1ce33a4dff0a2c67vboxsync return cchOutput;
ad290511521ce8388a9926b165241ecf83c330a7vboxsync}
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync/**
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * Formats the current instruction in Yasm (/ Nasm) style.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync *
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * This is a simplified version of DISFormatYasmEx() provided for your convenience.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync *
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync *
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * @returns The number of output characters. If this is >= cchBuf, then the content
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * of pszBuf will be truncated.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * @param pCpu Pointer to the disassembler CPU state.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * @param pszBuf The output buffer.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * @param cchBuf The size of the output buffer.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsyncDISDECL(size_t) DISFormatYasm(PCDISCPUSTATE pCpu, char *pszBuf, size_t cchBuf)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync{
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync return DISFormatYasmEx(pCpu, pszBuf, cchBuf, 0 /* fFlags */, NULL /* pfnGetSymbol */, NULL /* pvUser */);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync}
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync/**
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * Checks if the encoding of the given disassembled instruction is something we
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * can never get YASM to produce.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync *
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * @returns true if it's odd, false if it isn't.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * @param pCpu The disassembler output. The byte fetcher callback will
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * be used if present as we might need to fetch opcode
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * bytes.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsyncDISDECL(bool) DISFormatYasmIsOddEncoding(PDISCPUSTATE pCpu)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync{
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync /*
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * Mod rm + SIB: Check for duplicate EBP encodings that yasm won't use for very good reasons.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if ( pCpu->uAddrMode != DISCPUMODE_16BIT ///@todo correct?
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync && pCpu->ModRM.Bits.Rm == 4
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync && pCpu->ModRM.Bits.Mod != 3)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync {
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync /* No scaled index SIB (index=4), except for ESP. */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if ( pCpu->SIB.Bits.Index == 4
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync && pCpu->SIB.Bits.Base != 4)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync return true;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync /* EBP + displacement */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if ( pCpu->ModRM.Bits.Mod != 0
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync && pCpu->SIB.Bits.Base == 5
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync && pCpu->SIB.Bits.Scale == 0)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync return true;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync /*
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * Seems to be an instruction alias here, but I cannot find any docs on it... hrmpf!
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if ( pCpu->pCurInstr->uOpcode == OP_SHL
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync && pCpu->ModRM.Bits.Reg == 6)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync return true;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync /*
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * Check for multiple prefixes of the same kind.
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync */
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync uint32_t fPrefixes = 0;
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync for (uint32_t offOpcode = 0; offOpcode < RT_ELEMENTS(pCpu->abInstr); offOpcode++)
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync {
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync uint32_t f;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync switch (pCpu->abInstr[offOpcode])
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync {
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0xf0:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync f = DISPREFIX_LOCK;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0xf2:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0xf3:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync f = DISPREFIX_REP; /* yes, both */
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x2e:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x3e:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x26:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x36:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x64:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x65:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync f = DISPREFIX_SEG;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x66:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync f = DISPREFIX_OPSIZE;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 0x67:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync f = DISPREFIX_ADDRSIZE;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync break;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f:
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync f = pCpu->uCpuMode == DISCPUMODE_64BIT ? DISPREFIX_REX : 0;
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync break;
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync default:
635c83753ed04cf3637e019af0e15ba40e07f2fevboxsync f = 0;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (!f)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break; /* done */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefixes & f)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync fPrefixes |= f;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* segment overrides are fun */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefixes & DISPREFIX_SEG)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* no effective address which it may apply to. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert((pCpu->fPrefix & DISPREFIX_SEG) || pCpu->uCpuMode == DISCPUMODE_64BIT);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( !DISUSE_IS_EFFECTIVE_ADDR(pCpu->Param1.fUse)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->Param2.fUse)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->Param3.fUse))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* fixed register + addr override doesn't go down all that well. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefixes & DISPREFIX_ADDRSIZE)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pCpu->fPrefix & DISPREFIX_ADDRSIZE);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->pCurInstr->fParam3 == OP_PARM_NONE
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam2 == OP_PARM_NONE
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && ( pCpu->pCurInstr->fParam1 >= OP_PARM_REG_GEN32_START
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam1 <= OP_PARM_REG_GEN32_END))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* Almost all prefixes are bad. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefixes)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->uOpcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* nop w/ prefix(es). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_NOP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_JMP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->pCurInstr->fParam1 != OP_PARM_Jb
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam1 != OP_PARM_Jv)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* fall thru */
ad290511521ce8388a9926b165241ecf83c330a7vboxsync case OP_JO:
dfa8f8fe70f68c12b11d4b15354571131dc75becvboxsync case OP_JNO:
dfa8f8fe70f68c12b11d4b15354571131dc75becvboxsync case OP_JC:
dfa8f8fe70f68c12b11d4b15354571131dc75becvboxsync case OP_JNC:
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync case OP_JE:
ad290511521ce8388a9926b165241ecf83c330a7vboxsync case OP_JNE:
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync case OP_JBE:
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync case OP_JNBE:
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync case OP_JS:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_JNS:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_JP:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_JNP:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_JL:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_JNL:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_JLE:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_JNLE:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /** @todo branch hinting 0x2e/0x3e... */
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync return true;
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync }
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* All but the segment prefix is bad news. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefixes & ~DISPREFIX_SEG)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->uOpcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_POP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PUSH:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->pCurInstr->fParam1 >= OP_PARM_REG_SEG_START
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam1 <= OP_PARM_REG_SEG_END)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( (fPrefixes & ~DISPREFIX_OPSIZE)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam1 >= OP_PARM_REG_GEN32_START
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam1 <= OP_PARM_REG_GEN32_END)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_POPA:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_POPF:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PUSHA:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PUSHF:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefixes & ~DISPREFIX_OPSIZE)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* Implicit 8-bit register instructions doesn't mix with operand size. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( (fPrefixes & DISPREFIX_OPSIZE)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && ( ( pCpu->pCurInstr->fParam1 == OP_PARM_Gb /* r8 */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam2 == OP_PARM_Eb /* r8/mem8 */)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( pCpu->pCurInstr->fParam2 == OP_PARM_Gb /* r8 */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam1 == OP_PARM_Eb /* r8/mem8 */))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync )
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->uOpcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_ADD:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_OR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_ADC:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SBB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_AND:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SUB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_XOR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_CMP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Check for the version of xyz reg,reg instruction that the assembler doesn't use.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * For example:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * expected: 1aee sbb ch, dh ; SBB r8, r/m8
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * yasm: 18F5 sbb ch, dh ; SBB r/m8, r8
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->ModRM.Bits.Mod == 3 /* reg,reg */)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->uOpcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_ADD:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_OR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_ADC:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SBB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_AND:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SUB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_XOR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_CMP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( ( pCpu->pCurInstr->fParam1 == OP_PARM_Gb /* r8 */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam2 == OP_PARM_Eb /* r8/mem8 */)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( pCpu->pCurInstr->fParam1 == OP_PARM_Gv /* rX */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->pCurInstr->fParam2 == OP_PARM_Ev /* rX/memX */))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* 82 (see table A-6). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->bOpCode == 0x82)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* ff /0, fe /0, ff /1, fe /0 */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_DEC:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_INC:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_POP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PUSH:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pCpu->bOpCode == 0x8f);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_MOV:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->bOpCode == 0x8a
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || pCpu->bOpCode == 0x8b)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* shl eax,1 will be assembled to the form without the immediate byte. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->pCurInstr->fParam2 == OP_PARM_Ib
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (uint8_t)pCpu->Param2.parval == 1)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->uOpcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
ad290511521ce8388a9926b165241ecf83c330a7vboxsync case OP_SHL:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_SHR:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_SAR:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_RCL:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_RCR:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_ROL:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_ROR:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync return true;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync /* And some more - see table A-6. */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (pCpu->bOpCode == 0x82)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync switch (pCpu->pCurInstr->uOpcode)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_ADD:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_OR:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_ADC:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SBB:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_AND:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SUB:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_XOR:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_CMP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync /* check for REX.X = 1 without SIB. */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync /* Yasm encodes setnbe al with /2 instead of /0 like the AMD manual
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync says (intel doesn't appear to care). */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync switch (pCpu->pCurInstr->uOpcode)
29e87957eab05faee4ca07215447062bd927ce67vboxsync {
29e87957eab05faee4ca07215447062bd927ce67vboxsync case OP_SETO:
29e87957eab05faee4ca07215447062bd927ce67vboxsync case OP_SETNO:
29e87957eab05faee4ca07215447062bd927ce67vboxsync case OP_SETC:
29e87957eab05faee4ca07215447062bd927ce67vboxsync case OP_SETNC:
29e87957eab05faee4ca07215447062bd927ce67vboxsync case OP_SETE:
29e87957eab05faee4ca07215447062bd927ce67vboxsync case OP_SETNE:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETBE:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETNBE:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETS:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETNS:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETNP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETL:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETNL:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETLE:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SETNLE:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync AssertMsg(pCpu->bOpCode >= 0x90 && pCpu->bOpCode <= 0x9f, ("%#x\n", pCpu->bOpCode));
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if (pCpu->ModRM.Bits.Reg != 2)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync break;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync }
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /*
fdb57e5580007400346665b64c0e14ca1d149019vboxsync * The MOVZX reg32,mem16 instruction without an operand size prefix
fdb57e5580007400346665b64c0e14ca1d149019vboxsync * doesn't quite make sense...
fdb57e5580007400346665b64c0e14ca1d149019vboxsync */
7ea49b4765b66fc68d2e6c1cb2a647b53a4aea24vboxsync if ( pCpu->pCurInstr->uOpcode == OP_MOVZX
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->bOpCode == 0xB7
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && (pCpu->uCpuMode == DISCPUMODE_16BIT) != !!(fPrefixes & DISPREFIX_OPSIZE))
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return false;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync}
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync