DisasmFormatYasm.cpp revision 9d4c9e0a3e2dcc3bd19303d7b4e2d96d12c11814
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] =
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync{
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] =
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync "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"
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync};
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] =
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync{
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
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync/**
4a9af9a8062589b741444d717d2dd1ed22b0f583vboxsync * 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;
1c0d3d017f9a45748b4839bf6622b53e83a4f1f8vboxsync }
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 }
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_REG_DBG:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync Assert(pParam->base.reg_dbg < RT_ELEMENTS(g_aszYasmRegDRx));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *psz = g_aszYasmRegDRx[pParam->base.reg_dbg];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 3;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_REG_SEG:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync Assert(pParam->base.reg_seg < RT_ELEMENTS(g_aszYasmRegCRx));
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync const char *psz = g_aszYasmRegSeg[pParam->base.reg_seg];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *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
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync 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.
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync * @param pParam The parameter.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param pcchReg Where to store the length of the name.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
6902a98267d5180fb081cb5273751d0a628bf04dvboxsyncstatic const char *disasmFormatYasmIndexReg(PCDISCPUSTATE pCpu, PCDISOPPARAM pParam, size_t *pcchReg)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->uAddrMode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_16BIT:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->index.reg_gen < RT_ELEMENTS(g_aszYasmRegGen16));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *psz = g_aszYasmRegGen16[pParam->index.reg_gen];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_32BIT:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->index.reg_gen < RT_ELEMENTS(g_aszYasmRegGen32));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *psz = g_aszYasmRegGen32[pParam->index.reg_gen];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_64BIT:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->index.reg_gen < RT_ELEMENTS(g_aszYasmRegGen64));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync const char *psz = g_aszYasmRegGen64[pParam->index.reg_gen];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pcchReg = 2 + !!psz[2] + !!psz[3];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return psz;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertMsgFailed(("%#x %#x\n", pParam->fUse, pCpu->uAddrMode));
6902a98267d5180fb081cb5273751d0a628bf04dvboxsync *pcchReg = 3;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return "r??";
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync }
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync}
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync/**
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync * Formats the current instruction in Yasm (/ Nasm) style.
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync *
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync *
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync * @returns The number of output characters. If this is >= cchBuf, then the content
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync * of pszBuf will be truncated.
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync * @param pCpu Pointer to the disassembler CPU state.
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync * @param pszBuf The output buffer.
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync * @param cchBuf The size of the output buffer.
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync * @param fFlags Format flags, see DIS_FORMAT_FLAGS_*.
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync * @param pfnGetSymbol Get symbol name for a jmp or call target address. Optional.
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync * @param pvUser User argument for pfnGetSymbol.
7b4ea63789001468ec3662bdfcd6432bf89095dfvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncDISDECL(size_t) DISFormatYasmEx(PCDISCPUSTATE pCpu, char *pszBuf, size_t cchBuf, uint32_t fFlags,
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PFNDISGETSYMBOL pfnGetSymbol, void *pvUser)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync /*
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * Input validation and massaging.
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync AssertPtr(pCpu);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync AssertPtrNull(pszBuf);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync Assert(pszBuf || !cchBuf);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync AssertPtrNull(pfnGetSymbol);
6902a98267d5180fb081cb5273751d0a628bf04dvboxsync AssertMsg(DIS_FMT_FLAGS_IS_VALID(fFlags), ("%#x\n", fFlags));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_ADDR_COMMENT)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync fFlags = (fFlags & ~DIS_FMT_FLAGS_ADDR_LEFT) | DIS_FMT_FLAGS_ADDR_RIGHT;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_BYTES_COMMENT)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync fFlags = (fFlags & ~DIS_FMT_FLAGS_BYTES_LEFT) | DIS_FMT_FLAGS_BYTES_RIGHT;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PCDISOPCODE const pOp = pCpu->pCurInstr;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Output macros
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync char *pszDst = pszBuf;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchDst = cchBuf;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchOutput = 0;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_C(ch) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync do { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchOutput++; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (cchDst > 1) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync { \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync cchDst--; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pszDst++ = (ch); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } while (0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_STR(pszSrc, cchSrc) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync do { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchOutput += (cchSrc); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (cchDst > (cchSrc)) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync memcpy(pszDst, (pszSrc), (cchSrc)); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszDst += (cchSrc); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchDst -= (cchSrc); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (cchDst > 1) \
6902a98267d5180fb081cb5273751d0a628bf04dvboxsync { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync memcpy(pszDst, (pszSrc), cchDst - 1); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszDst += cchDst - 1; \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync cchDst = 1; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } while (0)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync#define PUT_SZ(sz) \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync PUT_STR((sz), sizeof(sz) - 1)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync#define PUT_SZ_STRICT(szStrict, szRelaxed) \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync do { if (fFlags & DIS_FMT_FLAGS_STRICT) PUT_SZ(szStrict); else PUT_SZ(szRelaxed); } while (0)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync#define PUT_PSZ(psz) \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync do { const size_t cchTmp = strlen(psz); PUT_STR((psz), cchTmp); } while (0)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync#define PUT_NUM(cch, fmt, num) \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync do { \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync cchOutput += (cch); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (cchDst > 1) \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync { \
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync const size_t cchTmp = RTStrPrintf(pszDst, cchDst, fmt, (num)); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszDst += cchTmp; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchDst -= cchTmp; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(cchTmp == (cch) || cchDst == 1); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } while (0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/** @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))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_NUM_16(num) PUT_NUM(6, "0%04xh", (uint16_t)(num))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#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 \
0593640ab087e5bf747a2576b1752a2046be83aavboxsync { \
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)
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync#define PUT_NUM_S64(num) PUT_NUM_SIGN(18, "0%016RX64h", num, int64_t, uint64_t)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * The address?
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_ADDR_LEFT)
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync {
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync#if HC_ARCH_BITS == 64 || GC_ARCH_BITS == 64
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync if (pCpu->uInstrAddr >= _4G)
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync PUT_NUM(9, "%08x`", (uint32_t)(pCpu->uInstrAddr >> 32));
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync#endif
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync PUT_NUM(8, "%08x", (uint32_t)pCpu->uInstrAddr);
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync PUT_C(' ');
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync }
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync /*
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync * The opcode bytes?
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync */
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync if (fFlags & DIS_FMT_FLAGS_BYTES_LEFT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
329df9696e709dc71611f504a4774f323545be0avboxsync size_t cchTmp = disFormatBytes(pCpu, pszDst, cchDst, fFlags);
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync cchOutput += cchTmp;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (cchDst > 1)
329df9696e709dc71611f504a4774f323545be0avboxsync {
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync if (cchTmp <= cchDst)
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync {
9c21eebec4d70f1e638002c8dfc6ea9d534d8710vboxsync cchDst -= cchTmp;
9c21eebec4d70f1e638002c8dfc6ea9d534d8710vboxsync pszDst += cchTmp;
3ea1dbf096240fc221aea99352a74c17a367a9b6vboxsync }
9c21eebec4d70f1e638002c8dfc6ea9d534d8710vboxsync else
9c21eebec4d70f1e638002c8dfc6ea9d534d8710vboxsync {
9c21eebec4d70f1e638002c8dfc6ea9d534d8710vboxsync pszDst += cchDst - 1;
9c21eebec4d70f1e638002c8dfc6ea9d534d8710vboxsync cchDst = 1;
9c21eebec4d70f1e638002c8dfc6ea9d534d8710vboxsync }
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync }
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync /* Some padding to align the instruction. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchPadding = (7 * (2 + !!(fFlags & DIS_FMT_FLAGS_BYTES_SPACED)))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync + !!(fFlags & DIS_FMT_FLAGS_BYTES_BRACKETS) * 2
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync + 2;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchPadding = cchTmp + 1 >= cchPadding ? 1 : cchPadding - cchTmp;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(g_szSpaces, cchPadding);
41fcf8465b641c7083d3b440451f17c1210fce33vboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Filter out invalid opcodes first as they need special
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync * treatment. UD2 is an exception and should be handled normally.
329df9696e709dc71611f504a4774f323545be0avboxsync */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync size_t const offInstruction = cchOutput;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if ( pOp->opcode == OP_INVALID
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync || ( pOp->opcode == OP_ILLUD2
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync && (pCpu->fPrefix & DISPREFIX_LOCK)))
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync {
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
329df9696e709dc71611f504a4774f323545be0avboxsync }
329df9696e709dc71611f504a4774f323545be0avboxsync else
3ea1dbf096240fc221aea99352a74c17a367a9b6vboxsync {
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync /*
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync * Prefixes
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync */
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync if (pCpu->fPrefix & DISPREFIX_LOCK)
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync PUT_SZ("lock ");
abac45bdfa95437daba28dd2d94bf7e0a25f75cdvboxsync if(pCpu->fPrefix & DISPREFIX_REP)
abac45bdfa95437daba28dd2d94bf7e0a25f75cdvboxsync PUT_SZ("rep ");
abac45bdfa95437daba28dd2d94bf7e0a25f75cdvboxsync else if(pCpu->fPrefix & DISPREFIX_REPNE)
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync PUT_SZ("repne ");
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync /*
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync * Adjust the format string to the correct mnemonic
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync * or to avoid things the assembler cannot handle correctly.
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync */
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync char szTmpFmt[48];
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync const char *pszFmt = pOp->pszOpcode;
4ecd4ad59281328476ad14f2baa51716b6f5f804vboxsync switch (pOp->opcode)
329df9696e709dc71611f504a4774f323545be0avboxsync {
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_JECXZ:
329df9696e709dc71611f504a4774f323545be0avboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "jcxz %Jb" : pCpu->uOpMode == DISCPUMODE_32BIT ? "jecxz %Jb" : "jrcxz %Jb";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_PUSHF:
329df9696e709dc71611f504a4774f323545be0avboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "pushfw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "pushfd" : "pushfq";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_POPF:
329df9696e709dc71611f504a4774f323545be0avboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "popfw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "popfd" : "popfq";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_PUSHA:
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "pushaw" : "pushad";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync case OP_POPA:
329df9696e709dc71611f504a4774f323545be0avboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "popaw" : "popad";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_INSB:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = "insb";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
329df9696e709dc71611f504a4774f323545be0avboxsync case OP_INSWD:
329df9696e709dc71611f504a4774f323545be0avboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "insw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "insd" : "insq";
329df9696e709dc71611f504a4774f323545be0avboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_OUTSB:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = "outsb";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_OUTSWD:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "outsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "outsd" : "outsq";
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_MOVSB:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = "movsb";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_MOVSWD:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "movsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "movsd" : "movsq";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case OP_CMPSB:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync pszFmt = "cmpsb";
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_CMPWD:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "cmpsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "cmpsd" : "cmpsq";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_SCASB:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = "scasb";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_SCASWD:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "scasw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "scasd" : "scasq";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_LODSB:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = "lodsb";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_LODSWD:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "lodsw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "lodsd" : "lodsq";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_STOSB:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = "stosb";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync case OP_STOSWD:
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "stosw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "stosd" : "stosq";
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync break;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync case OP_CBW:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "cbw" : pCpu->uOpMode == DISCPUMODE_32BIT ? "cwde" : "cdqe";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_CWD:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = pCpu->uOpMode == DISCPUMODE_16BIT ? "cwd" : pCpu->uOpMode == DISCPUMODE_32BIT ? "cdq" : "cqo";
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync break;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync case OP_SHL:
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync Assert(pszFmt[3] == '/');
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync pszFmt += 4;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_XLAT:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = "xlatb";
46737b2c6b2da473108a7670c3682d88474bd8b9vboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_INT3:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = "int3";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync
09f4b412099acda62997fd82c8608075c453b3ebvboxsync /*
09f4b412099acda62997fd82c8608075c453b3ebvboxsync * Don't know how to tell yasm to generate complicated nop stuff, so 'db' it.
09f4b412099acda62997fd82c8608075c453b3ebvboxsync */
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case OP_NOP:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync if (pCpu->bOpCode == 0x90)
09f4b412099acda62997fd82c8608075c453b3ebvboxsync /* fine, fine */;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync else if (pszFmt[sizeof("nop %Ev") - 1] == '/' && pszFmt[sizeof("nop %Ev")] == 'p')
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = "prefetch %Eb";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync else if (pCpu->bOpCode == 0x1f)
09f4b412099acda62997fd82c8608075c453b3ebvboxsync {
09f4b412099acda62997fd82c8608075c453b3ebvboxsync Assert(pCpu->cbInstr >= 3);
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_SZ("db 00fh, 01fh,");
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_NUM_8(pCpu->ModRM.u);
09f4b412099acda62997fd82c8608075c453b3ebvboxsync for (unsigned i = 3; i < pCpu->cbInstr; i++)
09f4b412099acda62997fd82c8608075c453b3ebvboxsync {
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_C(',');
09f4b412099acda62997fd82c8608075c453b3ebvboxsync PUT_NUM_8(0x90); ///@todo fixme.
09f4b412099acda62997fd82c8608075c453b3ebvboxsync }
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt = "";
09f4b412099acda62997fd82c8608075c453b3ebvboxsync }
09f4b412099acda62997fd82c8608075c453b3ebvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync
09f4b412099acda62997fd82c8608075c453b3ebvboxsync default:
09f4b412099acda62997fd82c8608075c453b3ebvboxsync /* ST(X) -> stX (floating point) */
09f4b412099acda62997fd82c8608075c453b3ebvboxsync if (*pszFmt == 'f' && strchr(pszFmt, '('))
09f4b412099acda62997fd82c8608075c453b3ebvboxsync {
09f4b412099acda62997fd82c8608075c453b3ebvboxsync char *pszFmtDst = szTmpFmt;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync char ch;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync do
09f4b412099acda62997fd82c8608075c453b3ebvboxsync {
09f4b412099acda62997fd82c8608075c453b3ebvboxsync ch = *pszFmt++;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync if (ch == 'S' && pszFmt[0] == 'T' && pszFmt[1] == '(')
09f4b412099acda62997fd82c8608075c453b3ebvboxsync {
09f4b412099acda62997fd82c8608075c453b3ebvboxsync *pszFmtDst++ = 's';
09f4b412099acda62997fd82c8608075c453b3ebvboxsync *pszFmtDst++ = 't';
09f4b412099acda62997fd82c8608075c453b3ebvboxsync pszFmt += 2;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync ch = *pszFmt;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync Assert(pszFmt[1] == ')');
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync pszFmt += 2;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pszFmtDst++ = ch;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pszFmtDst++ = ch;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } while (ch != '\0');
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync pszFmt = szTmpFmt;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Horrible hacks.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_FLD:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->bOpCode == 0xdb) /* m80fp workaround. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *(int *)&pCpu->param1.param &= ~0x1f; /* make it pure OP_PARM_M */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_LAR: /* hack w -> v, probably not correct. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *(int *)&pCpu->param2.param &= ~0x1f;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *(int *)&pCpu->param2.param |= OP_PARM_v;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Formatting context and associated macros.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync PCDISOPPARAM pParam = &pCpu->param1;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync int iParam = 1;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_FAR() \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync do { \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if ( OP_PARM_VSUBTYPE(pParam->param) == OP_PARM_p \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && pOp->opcode != OP_LDS /* table bugs? */ \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && pOp->opcode != OP_LES \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && pOp->opcode != OP_LFS \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && pOp->opcode != OP_LGS \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync && pOp->opcode != OP_LSS ) \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SZ("far "); \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync } while (0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /** @todo mov ah,ch ends up with a byte 'override'... - check if this wasn't fixed. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /** @todo drop the work/dword/qword override when the src/dst is a register (except for movsx/movzx). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_SIZE_OVERRIDE() \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync do { \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync switch (OP_PARM_VSUBTYPE(pParam->param)) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_v: \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->uOpMode) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_16BIT: PUT_SZ("word "); break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_32BIT: PUT_SZ("dword "); break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISCPUMODE_64BIT: PUT_SZ("qword "); break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default: break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_b: PUT_SZ("byte "); break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_w: PUT_SZ("word "); break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_d: PUT_SZ("dword "); break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_q: PUT_SZ("qword "); break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_dq: \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (OP_PARM_VTYPE(pParam->param) != OP_PARM_W) /* these are 128 bit, pray they are all unambiguous.. */ \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SZ("qword "); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_p: break; /* see PUT_FAR */ \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_s: if (pParam->fUse & DISUSE_REG_FP) PUT_SZ("tword "); break; /* ?? */ \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_z: break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_PARM_NONE: \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( OP_PARM_VTYPE(pParam->param) == OP_PARM_M \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && ((pParam->fUse & DISUSE_REG_FP) || pOp->opcode == OP_FLD)) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("tword "); \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break; \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default: break; /*no pointer type specified/necessary*/ \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync } while (0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync static const char s_szSegPrefix[6][4] = { "es:", "cs:", "ss:", "ds:", "fs:", "gs:" };
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#define PUT_SEGMENT_OVERRIDE() \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync do { \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->fPrefix & DISPREFIX_SEG) \
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(s_szSegPrefix[pCpu->idxSegPrefix], 3); \
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync } while (0)
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync /*
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync * Segment prefixing for instructions that doesn't do memory access.
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( (pCpu->fPrefix & DISPREFIX_SEG)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->param1.fUse)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->param2.fUse)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && !DISUSE_IS_EFFECTIVE_ADDR(pCpu->param3.fUse))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(s_szSegPrefix[pCpu->idxSegPrefix], 2);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(' ');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * The formatting loop.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync RTINTPTR off;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync char szSymbol[128];
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync char ch;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync while ((ch = *pszFmt++) != '\0')
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (ch == '%')
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync ch = *pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (ch)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * ModRM - Register only.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'C': /* Control register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'D': /* Debug register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'G': /* ModRM selects general register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'S': /* ModRM byte selects a segment register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'T': /* ModRM byte selects a test register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'V': /* ModRM byte selects an XMM/SSE register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'P': /* ModRM byte selects MMX register (ParseModRM / UseModRM). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszFmt += RT_C_IS_ALPHA(pszFmt[0]) ? RT_C_IS_ALPHA(pszFmt[1]) ? 2 : 1 : 0;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(!(pParam->fUse & (DISUSE_INDEX | DISUSE_SCALE) /* No SIB here... */));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(!(pParam->fUse & (DISUSE_DISPLACEMENT8 | DISUSE_DISPLACEMENT16 | DISUSE_DISPLACEMENT32 | DISUSE_DISPLACEMENT64 | DISUSE_RIPDISPLACEMENT32)));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchReg;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync const char *pszReg = disasmFormatYasmBaseReg(pCpu, pParam, &cchReg);
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync PUT_STR(pszReg, cchReg);
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * ModRM - Register or memory.
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync 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->param != OP_PARM_Ev
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || pOp->opcode != OP_MOV
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync || ( pOp->param1 != OP_PARM_Sw
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pOp->param2 != OP_PARM_Sw))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SIZE_OVERRIDE();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('[');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
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)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && !pParam->uDisp.i8)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("byte ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ( (fUse & DISUSE_DISPLACEMENT16)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (int8_t)pParam->uDisp.i16 == (int16_t)pParam->uDisp.i16)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("word ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ( (fUse & DISUSE_DISPLACEMENT32)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (int16_t)pParam->uDisp.i32 == (int32_t)pParam->uDisp.i32) //??
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("dword ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ( (fUse & DISUSE_DISPLACEMENT64)
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync && (pCpu->SIB.Bits.Base != 5 || pCpu->ModRM.Bits.Mod != 0)
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync && (int32_t)pParam->uDisp.i64 == (int64_t)pParam->uDisp.i64) //??
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync PUT_SZ("qword ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
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));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync 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 {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('*');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C('0' + pParam->scale);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync 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
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_32(off2);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ(" wrt rip"); //??
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (DISUSE_IS_EFFECTIVE_ADDR(fUse))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_C(']');
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case 'F': /* Eflags register (0 - popf/pushf only, avoided in adjustments above). */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync AssertFailed();
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case 'I': /* Immediate data (ParseImmByte, ParseImmByteSX, ParseImmV, ParseImmUshort, ParseImmZ). */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync Assert(*pszFmt == 'b' || *pszFmt == 'v' || *pszFmt == 'w' || *pszFmt == 'z'); pszFmt++;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync switch (pParam->fUse & ( DISUSE_IMMEDIATE8 | DISUSE_IMMEDIATE16 | DISUSE_IMMEDIATE32 | DISUSE_IMMEDIATE64
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync | DISUSE_IMMEDIATE16_SX8 | DISUSE_IMMEDIATE32_SX8 | DISUSE_IMMEDIATE64_SX8))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_IMMEDIATE8:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if ( (fFlags & DIS_FMT_FLAGS_STRICT)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync && ( (pOp->param1 >= OP_PARM_REG_GEN8_START && pOp->param1 <= OP_PARM_REG_GEN8_END)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || (pOp->param2 >= OP_PARM_REG_GEN8_START && pOp->param2 <= OP_PARM_REG_GEN8_END))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync )
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ("strict byte ");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_8(pParam->parval);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_IMMEDIATE16:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if ( pCpu->mode != pCpu->uOpMode
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || ( (fFlags & DIS_FMT_FLAGS_STRICT)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync && ( (int8_t)pParam->parval == (int16_t)pParam->parval
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || (pOp->param1 >= OP_PARM_REG_GEN16_START && pOp->param1 <= OP_PARM_REG_GEN16_END)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || (pOp->param2 >= OP_PARM_REG_GEN16_START && pOp->param2 <= OP_PARM_REG_GEN16_END))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync )
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync )
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (OP_PARM_VSUBTYPE(pParam->param) == OP_PARM_b)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ_STRICT("strict byte ", "byte ");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else if ( OP_PARM_VSUBTYPE(pParam->param) == OP_PARM_v
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || OP_PARM_VSUBTYPE(pParam->param) == OP_PARM_z)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ_STRICT("strict word ", "word ");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_16(pParam->parval);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_IMMEDIATE16_SX8:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ_STRICT("strict byte ", "byte ");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_16(pParam->parval);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_IMMEDIATE32:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if ( pCpu->uOpMode != (pCpu->mode == DISCPUMODE_16BIT ? DISCPUMODE_16BIT : DISCPUMODE_32BIT) /* not perfect */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || ( (fFlags & DIS_FMT_FLAGS_STRICT)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync && ( (int8_t)pParam->parval == (int32_t)pParam->parval
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || (pOp->param1 >= OP_PARM_REG_GEN32_START && pOp->param1 <= OP_PARM_REG_GEN32_END)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || (pOp->param2 >= OP_PARM_REG_GEN32_START && pOp->param2 <= OP_PARM_REG_GEN32_END))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync )
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync )
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (OP_PARM_VSUBTYPE(pParam->param) == OP_PARM_b)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ_STRICT("strict byte ", "byte ");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync else if ( OP_PARM_VSUBTYPE(pParam->param) == OP_PARM_v
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || OP_PARM_VSUBTYPE(pParam->param) == OP_PARM_z)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_SZ_STRICT("strict dword ", "dword ");
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync 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->opcode != OP_CALL
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pOp->opcode != OP_LOOP
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync && pOp->opcode != OP_LOOPE
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync && pOp->opcode != OP_LOOPNE
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync && pOp->opcode != OP_JECXZ;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pOp->opcode == OP_CALL)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync fFlags &= ~DIS_FMT_FLAGS_RELATIVE_BRANCH;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pParam->fUse & DISUSE_IMMEDIATE8_REL)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefix)
2721dfb0e330d57ba888311520f5a343c64e7cefvboxsync 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
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S16(offDisplacement);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fPrefix)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ("near ");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync offDisplacement = (int32_t)pParam->parval;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(pParam->fUse & (DISUSE_IMMEDIATE32_REL|DISUSE_IMMEDIATE64_REL));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(*pszFmt == 'v'); pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S32(offDisplacement);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ(" (");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync RTUINTPTR uTrgAddr = pCpu->uInstrAddr + pCpu->cbInstr + offDisplacement;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->mode == DISCPUMODE_16BIT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(uTrgAddr);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if (pCpu->mode == DISCPUMODE_32BIT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_32(uTrgAddr);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_64(uTrgAddr);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync int rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), uTrgAddr, szSymbol, sizeof(szSymbol), &off, pvUser);
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 }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_RELATIVE_BRANCH)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(')');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 'A': /* Direct (jump/call) address (ParseImmAddr). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(*pszFmt == 'p'); pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_FAR();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SIZE_OVERRIDE();
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SEGMENT_OVERRIDE();
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync 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))
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE_ADDR_16_16:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval >> 16);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync 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;
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync case DISUSE_IMMEDIATE_ADDR_16_32:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval >> 32);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(':');
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_NUM_32(pParam->parval);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync 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;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_DISPLACEMENT16:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_16(pParam->parval);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (pfnGetSymbol)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), (uint16_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_DISPLACEMENT32:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_32(pParam->parval);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (pfnGetSymbol)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), (uint32_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync break;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case DISUSE_DISPLACEMENT64:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync PUT_NUM_64(pParam->parval);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (pfnGetSymbol)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), (uint64_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertFailed();
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync break;
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if (RT_SUCCESS(rc))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SZ(" [");
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_PSZ(szSymbol);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if (off != 0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync if ((int8_t)off == off)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S8(off);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else if ((int16_t)off == off)
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_NUM_S16(off);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync else if ((int32_t)off == off)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_S32(off);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_NUM_S64(off);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_C(']');
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync }
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync break;
09f4b412099acda62997fd82c8608075c453b3ebvboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
09f4b412099acda62997fd82c8608075c453b3ebvboxsync case 'O': /* No ModRM byte (ParseImmAddr). */
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync {
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync Assert(*pszFmt == 'b' || *pszFmt == 'v'); pszFmt++;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_FAR();
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_SIZE_OVERRIDE();
c7d2f5508ab9703a7a6c5cce5c9d4bf335af660avboxsync PUT_C('[');
5295c362853081eaa3944247171746a3aad9a826vboxsync PUT_SEGMENT_OVERRIDE();
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync int rc = VERR_SYMBOL_NOT_FOUND;
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync switch (pParam->fUse & (DISUSE_IMMEDIATE_ADDR_16_16 | DISUSE_IMMEDIATE_ADDR_16_32 | DISUSE_DISPLACEMENT64 | DISUSE_DISPLACEMENT32 | DISUSE_DISPLACEMENT16))
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case DISUSE_IMMEDIATE_ADDR_16_16:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval >> 16);
4c98b8b05f3783351cf256cc90cd4478fb28b62bvboxsync PUT_C(':');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM_16(pParam->parval);
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync if (pfnGetSymbol)
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_VALUE(pParam->parval >> 16), (uint16_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync break;
a7ba3d5f31ca70d04a3933e570374e5ec5eff84avboxsync case DISUSE_IMMEDIATE_ADDR_16_32:
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync PUT_NUM_16(pParam->parval >> 32);
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync PUT_C(':');
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync PUT_NUM_32(pParam->parval);
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync if (pfnGetSymbol)
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_VALUE(pParam->parval >> 16), (uint32_t)pParam->parval, szSymbol, sizeof(szSymbol), &off, pvUser);
7b6926b2bf44f326f40e1d9d1ce33a4dff0a2c67vboxsync break;
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync case DISUSE_DISPLACEMENT16:
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync PUT_NUM_16(pParam->uDisp.i16);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (pfnGetSymbol)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), pParam->uDisp.u16, szSymbol, sizeof(szSymbol), &off, pvUser);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case DISUSE_DISPLACEMENT32:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_NUM_32(pParam->uDisp.i32);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (pfnGetSymbol)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), pParam->uDisp.u32, szSymbol, sizeof(szSymbol), &off, pvUser);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case DISUSE_DISPLACEMENT64:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_NUM_64(pParam->uDisp.i64);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (pfnGetSymbol)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync rc = pfnGetSymbol(pCpu, DIS_FMT_SEL_FROM_REG(DISSELREG_CS), pParam->uDisp.u64, szSymbol, sizeof(szSymbol), &off, pvUser);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync default:
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync AssertFailed();
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_C(']');
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (RT_SUCCESS(rc))
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync {
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_SZ(" (");
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_PSZ(szSymbol);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (off != 0)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync {
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if ((int8_t)off == off)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_NUM_S8(off);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync else if ((int16_t)off == off)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_NUM_S16(off);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync else if ((int32_t)off == off)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_NUM_S32(off);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync else
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_NUM_S64(off);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_C(')');
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync }
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case 'X': /* DS:SI (ParseXb, ParseXv). */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync case 'Y': /* ES:DI (ParseYb, ParseYv). */
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync {
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync Assert(*pszFmt == 'b' || *pszFmt == 'v'); pszFmt++;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_FAR();
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_SIZE_OVERRIDE();
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_C('[');
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync if (pParam->fUse & DISUSE_POINTER_DS_BASED)
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_SZ("ds:");
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync else
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_SZ("es:");
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync size_t cchReg;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync const char *pszReg = disasmFormatYasmBaseReg(pCpu, pParam, &cchReg);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_STR(pszReg, cchReg);
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync PUT_C(']');
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync break;
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync }
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync case 'e': /* Register based on operand size (e.g. %eAX) (ParseFixedReg). */
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync {
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync Assert(RT_C_IS_ALPHA(pszFmt[0]) && RT_C_IS_ALPHA(pszFmt[1]) && !RT_C_IS_ALPHA(pszFmt[2])); pszFmt += 2;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync size_t cchReg;
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync const char *pszReg = disasmFormatYasmBaseReg(pCpu, pParam, &cchReg);
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync PUT_STR(pszReg, cchReg);
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync }
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync default:
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync AssertMsgFailed(("%c%s!\n", ch, pszFmt));
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync }
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync AssertMsg(*pszFmt == ',' || *pszFmt == '\0', ("%c%s\n", ch, pszFmt));
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync }
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync else
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync {
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync PUT_C(ch);
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync if (ch == ',')
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync {
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync Assert(*pszFmt != ' ');
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync PUT_C(' ');
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync switch (++iParam)
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync {
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 2: pParam = &pCpu->param2; break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync case 3: pParam = &pCpu->param3; break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync default: pParam = NULL; break;
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync }
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync }
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync }
5159c4c6485473c77871b515c15b59c3caa60b46vboxsync } /* while more to format */
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync }
73ba84f95f918cc170be38908ad240fbb2f8f354vboxsync
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync /*
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync * Any additional output to the right of the instruction?
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync */
6b2a50fc09aa4f7ce2082284f082d97a2c738321vboxsync if (fFlags & (DIS_FMT_FLAGS_BYTES_RIGHT | DIS_FMT_FLAGS_ADDR_RIGHT))
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync {
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync /* some up front padding. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchPadding = cchOutput - offInstruction;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchPadding = cchPadding + 1 >= 42 ? 1 : 42 - cchPadding;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_STR(g_szSpaces, cchPadding);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* comment? */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & (DIS_FMT_FLAGS_BYTES_RIGHT | DIS_FMT_FLAGS_ADDR_RIGHT))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_SZ(";");
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * The address?
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_ADDR_RIGHT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(' ');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#if HC_ARCH_BITS == 64 || GC_ARCH_BITS == 64
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->uInstrAddr >= _4G)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM(9, "%08x`", (uint32_t)(pCpu->uInstrAddr >> 32));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync#endif
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_NUM(8, "%08x", (uint32_t)pCpu->uInstrAddr);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Opcode bytes?
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (fFlags & DIS_FMT_FLAGS_BYTES_RIGHT)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync PUT_C(' ');
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync size_t cchTmp = disFormatBytes(pCpu, pszDst, cchDst, fFlags);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchOutput += cchTmp;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (cchTmp >= cchDst)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchTmp = cchDst - (cchDst != 0);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync cchDst -= cchTmp;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync pszDst += cchTmp;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Terminate it - on overflow we'll have reserved one byte for this.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (cchDst > 0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *pszDst = '\0';
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync else
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync Assert(!cchBuf);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* clean up macros */
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync#undef PUT_PSZ
67b8a5a52c43a79ea7e159dbbeec99687fb9cd3bvboxsync#undef PUT_SZ
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync#undef PUT_STR
105b1a31b6037dbe14acb8d09e60da540885202bvboxsync#undef PUT_C
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return cchOutput;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync}
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
3fa7a7e633f46a212052b510cdb8cee41f279a67vboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/**
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Formats the current instruction in Yasm (/ Nasm) style.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * This is a simplified version of DISFormatYasmEx() provided for your convenience.
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync *
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync *
3a343ca21a267ec3c54e2317e2ed18fe99b8ebbbvboxsync * @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 */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncDISDECL(size_t) DISFormatYasm(PCDISCPUSTATE pCpu, char *pszBuf, size_t cchBuf)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return DISFormatYasmEx(pCpu, pszBuf, cchBuf, 0 /* fFlags */, NULL /* pfnGetSymbol */, NULL /* pvUser */);
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync}
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync/**
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Checks if the encoding of the given disassembled instruction is something we
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * can never get YASM to produce.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync *
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @returns true if it's odd, false if it isn't.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * @param pCpu The disassembler output. The byte fetcher callback will
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * be used if present as we might need to fetch opcode
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * bytes.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsyncDISDECL(bool) DISFormatYasmIsOddEncoding(PDISCPUSTATE pCpu)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync{
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Mod rm + SIB: Check for duplicate EBP encodings that yasm won't use for very good reasons.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->uAddrMode != DISCPUMODE_16BIT ///@todo correct?
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->ModRM.Bits.Rm == 4
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->ModRM.Bits.Mod != 3)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* No scaled index SIB (index=4), except for ESP. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->SIB.Bits.Index == 4
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->SIB.Bits.Base != 4)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* EBP + displacement */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->ModRM.Bits.Mod != 0
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->SIB.Bits.Base == 5
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->SIB.Bits.Scale == 0)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Seems to be an instruction alias here, but I cannot find any docs on it... hrmpf!
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->pCurInstr->opcode == OP_SHL
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->ModRM.Bits.Reg == 6)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * Check for multiple prefixes of the same kind.
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync uint32_t fPrefixes = 0;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync for (uint32_t offOpcode = 0; offOpcode < RT_ELEMENTS(pCpu->abInstr); offOpcode++)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync uint32_t f;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->abInstr[offOpcode])
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0xf0:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync f = DISPREFIX_LOCK;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0xf2:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0xf3:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync f = DISPREFIX_REP; /* yes, both */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x2e:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x3e:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x26:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x36:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x64:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x65:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync f = DISPREFIX_SEG;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x66:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync f = DISPREFIX_OPSIZE;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x67:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync f = DISPREFIX_ADDRSIZE;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync f = pCpu->mode == DISCPUMODE_64BIT ? DISPREFIX_REX : 0;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync default:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync 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->mode == 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
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync /* fixed register + addr override doesn't go down all that well. */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (fPrefixes & DISPREFIX_ADDRSIZE)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync Assert(pCpu->fPrefix & DISPREFIX_ADDRSIZE);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if ( pCpu->pCurInstr->param3 == OP_PARM_NONE
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync && pCpu->pCurInstr->param2 == OP_PARM_NONE
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync && ( pCpu->pCurInstr->param1 >= OP_PARM_REG_GEN32_START
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync && pCpu->pCurInstr->param1 <= OP_PARM_REG_GEN32_END))
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync return true;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync }
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync /* Almost all prefixes are bad. */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if (fPrefixes)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync switch (pCpu->pCurInstr->opcode)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync {
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync /* nop w/ prefix(es). */
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_NOP:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JMP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if ( pCpu->pCurInstr->param1 != OP_PARM_Jb
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param1 != OP_PARM_Jv)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync break;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /* fall thru */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JO:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JNO:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JC:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JNC:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JE:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JNE:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JBE:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JNBE:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_JS:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JNS:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JNP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JL:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JNL:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JLE:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_JNLE:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /** @todo branch hinting 0x2e/0x3e... */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync }
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync }
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /* All but the segment prefix is bad news. */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if (fPrefixes & ~DISPREFIX_SEG)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync {
fdb57e5580007400346665b64c0e14ca1d149019vboxsync switch (pCpu->pCurInstr->opcode)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync {
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_POP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_PUSH:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if ( pCpu->pCurInstr->param1 >= OP_PARM_REG_SEG_START
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param1 <= OP_PARM_REG_SEG_END)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if ( (fPrefixes & ~DISPREFIX_OPSIZE)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param1 >= OP_PARM_REG_GEN32_START
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param1 <= OP_PARM_REG_GEN32_END)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync break;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_POPA:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_POPF:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_PUSHA:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_PUSHF:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if (fPrefixes & ~DISPREFIX_OPSIZE)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync break;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync }
fdb57e5580007400346665b64c0e14ca1d149019vboxsync }
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /* Implicit 8-bit register instructions doesn't mix with operand size. */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if ( (fPrefixes & DISPREFIX_OPSIZE)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && ( ( pCpu->pCurInstr->param1 == OP_PARM_Gb /* r8 */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param2 == OP_PARM_Eb /* r8/mem8 */)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync || ( pCpu->pCurInstr->param2 == OP_PARM_Gb /* r8 */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param1 == OP_PARM_Eb /* r8/mem8 */))
fdb57e5580007400346665b64c0e14ca1d149019vboxsync )
fdb57e5580007400346665b64c0e14ca1d149019vboxsync {
fdb57e5580007400346665b64c0e14ca1d149019vboxsync switch (pCpu->pCurInstr->opcode)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync {
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_ADD:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_OR:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync 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 default:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync break;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync }
fdb57e5580007400346665b64c0e14ca1d149019vboxsync }
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /*
fdb57e5580007400346665b64c0e14ca1d149019vboxsync * Check for the version of xyz reg,reg instruction that the assembler doesn't use.
fdb57e5580007400346665b64c0e14ca1d149019vboxsync *
fdb57e5580007400346665b64c0e14ca1d149019vboxsync * For example:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync * expected: 1aee sbb ch, dh ; SBB r8, r/m8
fdb57e5580007400346665b64c0e14ca1d149019vboxsync * yasm: 18F5 sbb ch, dh ; SBB r/m8, r8
fdb57e5580007400346665b64c0e14ca1d149019vboxsync */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if (pCpu->ModRM.Bits.Mod == 3 /* reg,reg */)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync {
fdb57e5580007400346665b64c0e14ca1d149019vboxsync switch (pCpu->pCurInstr->opcode)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync {
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_ADD:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_OR:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_ADC:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SBB:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_AND:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_SUB:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_XOR:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_CMP:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if ( ( pCpu->pCurInstr->param1 == OP_PARM_Gb /* r8 */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param2 == OP_PARM_Eb /* r8/mem8 */)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync || ( pCpu->pCurInstr->param1 == OP_PARM_Gv /* rX */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync && pCpu->pCurInstr->param2 == OP_PARM_Ev /* rX/memX */))
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /* 82 (see table A-6). */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync if (pCpu->bOpCode == 0x82)
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync break;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync /* ff /0, fe /0, ff /1, fe /0 */
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_DEC:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_INC:
fdb57e5580007400346665b64c0e14ca1d149019vboxsync return true;
fdb57e5580007400346665b64c0e14ca1d149019vboxsync
fdb57e5580007400346665b64c0e14ca1d149019vboxsync case OP_POP:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_PUSH:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync Assert(pCpu->bOpCode == 0x8f);
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync return true;
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync case OP_MOV:
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync if ( pCpu->bOpCode == 0x8a
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync || pCpu->bOpCode == 0x8b)
cb0578a5309e1fc264e5a4acc30543bea075be43vboxsync 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->param2 == OP_PARM_Ib
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (uint8_t)pCpu->param2.parval == 1)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->opcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
e6ad2e18e663b076aeabfec994947514566a7accvboxsync case OP_SHL:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SHR:
e6ad2e18e663b076aeabfec994947514566a7accvboxsync case OP_SAR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_RCL:
e6ad2e18e663b076aeabfec994947514566a7accvboxsync case OP_RCR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_ROL:
e6ad2e18e663b076aeabfec994947514566a7accvboxsync case OP_ROR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
e6ad2e18e663b076aeabfec994947514566a7accvboxsync
e6ad2e18e663b076aeabfec994947514566a7accvboxsync /* And some more - see table A-6. */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->bOpCode == 0x82)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->opcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
3ea1dbf096240fc221aea99352a74c17a367a9b6vboxsync case OP_ADD:
3ea1dbf096240fc221aea99352a74c17a367a9b6vboxsync case OP_OR:
3ea1dbf096240fc221aea99352a74c17a367a9b6vboxsync case OP_ADC:
3ea1dbf096240fc221aea99352a74c17a367a9b6vboxsync case OP_SBB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_AND:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SUB:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_XOR:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_CMP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
e6ad2e18e663b076aeabfec994947514566a7accvboxsync /* check for REX.X = 1 without SIB. */
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /* Yasm encodes setnbe al with /2 instead of /0 like the AMD manual
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync says (intel doesn't appear to care). */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync switch (pCpu->pCurInstr->opcode)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync {
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETO:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETNO:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETC:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETNC:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETE:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETNE:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETBE:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETNBE:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETS:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETNS:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETNP:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETL:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETNL:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync case OP_SETLE:
dc959f60f6d3e0cba86f7da4d39aa475913a7e10vboxsync case OP_SETNLE:
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync AssertMsg(pCpu->bOpCode >= 0x90 && pCpu->bOpCode <= 0x9f, ("%#x\n", pCpu->bOpCode));
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if (pCpu->ModRM.Bits.Reg != 2)
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync break;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync }
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync /*
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * The MOVZX reg32,mem16 instruction without an operand size prefix
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync * doesn't quite make sense...
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync */
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync if ( pCpu->pCurInstr->opcode == OP_MOVZX
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && pCpu->bOpCode == 0xB7
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync && (pCpu->mode == DISCPUMODE_16BIT) != !!(fPrefixes & DISPREFIX_OPSIZE))
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return true;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync return false;
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync}
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync
9055f61bb57d2a625c6434d55beac7565c3b3c0dvboxsync