7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/* $Id$ */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/** @file
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Testcase - Generic Disassembler Tool.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/*
c7814cf6e1240a519cbec0441e033d0e2470ed00vboxsync * Copyright (C) 2008-2012 Oracle Corporation
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * available from http://www.virtualbox.org. This file is free software;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * you can redistribute it and/or modify it under the terms of the GNU
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * General Public License (GPL) as published by the Free Software
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/*******************************************************************************
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync* Header Files *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync*******************************************************************************/
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <VBox/dis.h>
5eabf773597082761832bc0a32b3660e8771f9f1vboxsync#include <VBox/err.h>
5eabf773597082761832bc0a32b3660e8771f9f1vboxsync#include <iprt/alloc.h>
5eabf773597082761832bc0a32b3660e8771f9f1vboxsync#include <iprt/assert.h>
5eabf773597082761832bc0a32b3660e8771f9f1vboxsync#include <iprt/initterm.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/getopt.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/file.h>
5eabf773597082761832bc0a32b3660e8771f9f1vboxsync#include <iprt/path.h>
5eabf773597082761832bc0a32b3660e8771f9f1vboxsync#include <iprt/stream.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/string.h>
8599686860198730ae53d5895386d1b57dbc060evboxsync#include <iprt/ctype.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/*******************************************************************************
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync* Structures and Typedefs *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync*******************************************************************************/
8599686860198730ae53d5895386d1b57dbc060evboxsynctypedef enum { kAsmStyle_Default, kAsmStyle_yasm, kAsmStyle_masm, kAsmStyle_gas, kAsmStyle_invalid } ASMSTYLE;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsynctypedef enum { kUndefOp_Fail, kUndefOp_All, kUndefOp_DefineByte, kUndefOp_End } UNDEFOPHANDLING;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsynctypedef struct MYDISSTATE
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync DISSTATE Dis;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint64_t uAddress; /**< The current instruction address. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint8_t *pbInstr; /**< The current instruction (pointer). */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint32_t cbInstr; /**< The size of the current instruction. */
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync bool fUndefOp; /**< Whether the current instruction is really an undefined opcode.*/
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync UNDEFOPHANDLING enmUndefOp; /**< How to treat undefined opcodes. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int rc; /**< Set if we hit EOF. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync size_t cbLeft; /**< The number of bytes left. (read) */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint8_t *pbNext; /**< The next byte. (read) */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint64_t uNextAddr; /**< The address of the next byte. (read) */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync char szLine[256]; /**< The disassembler text output. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync} MYDISSTATE;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsynctypedef MYDISSTATE *PMYDISSTATE;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
8599686860198730ae53d5895386d1b57dbc060evboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Default style.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param pState The disassembler state.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncstatic void MyDisasDefaultFormatter(PMYDISSTATE pState)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTPrintf("%s", pState->szLine);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Yasm style.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param pState The disassembler state.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncstatic void MyDisasYasmFormatter(PMYDISSTATE pState)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync char szTmp[256];
de6ba1989c812829372828f1801b232b3e7f09bfvboxsync#if 0
8599686860198730ae53d5895386d1b57dbc060evboxsync /* a very quick hack. */
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync strcpy(szTmp, RTStrStripL(strchr(pState->szLine, ':') + 1));
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync char *psz = strrchr(szTmp, '[');
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync *psz = '\0';
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync RTStrStripR(szTmp);
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync psz = strstr(szTmp, " ptr ");
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync if (psz)
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync memset(psz, ' ', 5);
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync char *pszEnd = strchr(szTmp, '\0');
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync while (pszEnd - &szTmp[0] < 71)
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync *pszEnd++ = ' ';
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync *pszEnd = '\0';
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync
de6ba1989c812829372828f1801b232b3e7f09bfvboxsync#else
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync size_t cch = DISFormatYasmEx(&pState->Dis, szTmp, sizeof(szTmp),
92473d1de9ab080ff886ad61a4d908f7c3429608vboxsync DIS_FMT_FLAGS_STRICT | DIS_FMT_FLAGS_ADDR_RIGHT | DIS_FMT_FLAGS_ADDR_COMMENT
de6ba1989c812829372828f1801b232b3e7f09bfvboxsync | DIS_FMT_FLAGS_BYTES_RIGHT | DIS_FMT_FLAGS_BYTES_COMMENT | DIS_FMT_FLAGS_BYTES_SPACED,
de6ba1989c812829372828f1801b232b3e7f09bfvboxsync NULL, NULL);
8599686860198730ae53d5895386d1b57dbc060evboxsync Assert(cch < sizeof(szTmp));
8599686860198730ae53d5895386d1b57dbc060evboxsync while (cch < 71)
8599686860198730ae53d5895386d1b57dbc060evboxsync szTmp[cch++] = ' ';
8599686860198730ae53d5895386d1b57dbc060evboxsync szTmp[cch] = '\0';
de6ba1989c812829372828f1801b232b3e7f09bfvboxsync#endif
8599686860198730ae53d5895386d1b57dbc060evboxsync
d7097a142464c500766b2cb3d564986e0a072799vboxsync RTPrintf(" %s ; %s", szTmp, pState->szLine);
8599686860198730ae53d5895386d1b57dbc060evboxsync}
8599686860198730ae53d5895386d1b57dbc060evboxsync
8599686860198730ae53d5895386d1b57dbc060evboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Masm style.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param pState The disassembler state.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncstatic void MyDisasMasmFormatter(PMYDISSTATE pState)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTPrintf("masm not implemented: %s", pState->szLine);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
8599686860198730ae53d5895386d1b57dbc060evboxsync/**
8599686860198730ae53d5895386d1b57dbc060evboxsync * This is a temporary workaround for catching a few illegal opcodes
8599686860198730ae53d5895386d1b57dbc060evboxsync * that the disassembler is currently letting thru, just enough to make
8599686860198730ae53d5895386d1b57dbc060evboxsync * the assemblers happy.
8599686860198730ae53d5895386d1b57dbc060evboxsync *
8599686860198730ae53d5895386d1b57dbc060evboxsync * We're too close to a release to dare mess with these things now as
8599686860198730ae53d5895386d1b57dbc060evboxsync * they may consequences for performance and let alone introduce bugs.
8599686860198730ae53d5895386d1b57dbc060evboxsync *
8599686860198730ae53d5895386d1b57dbc060evboxsync * @returns true if it's valid. false if it isn't.
8599686860198730ae53d5895386d1b57dbc060evboxsync *
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync * @param pDis The disassembler output.
8599686860198730ae53d5895386d1b57dbc060evboxsync */
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsyncstatic bool MyDisasIsValidInstruction(DISSTATE const *pDis)
8599686860198730ae53d5895386d1b57dbc060evboxsync{
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync switch (pDis->pCurInstr->uOpcode)
8599686860198730ae53d5895386d1b57dbc060evboxsync {
8599686860198730ae53d5895386d1b57dbc060evboxsync /* These doesn't take memory operands. */
8599686860198730ae53d5895386d1b57dbc060evboxsync case OP_MOV_CR:
8599686860198730ae53d5895386d1b57dbc060evboxsync case OP_MOV_DR:
8599686860198730ae53d5895386d1b57dbc060evboxsync case OP_MOV_TR:
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync if (pDis->ModRM.Bits.Mod != 3)
8599686860198730ae53d5895386d1b57dbc060evboxsync return false;
8599686860198730ae53d5895386d1b57dbc060evboxsync break;
8599686860198730ae53d5895386d1b57dbc060evboxsync
8599686860198730ae53d5895386d1b57dbc060evboxsync /* The 0x8f /0 variant of this instruction doesn't get its /r value verified. */
8599686860198730ae53d5895386d1b57dbc060evboxsync case OP_POP:
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync if ( pDis->bOpCode == 0x8f
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync && pDis->ModRM.Bits.Reg != 0)
8599686860198730ae53d5895386d1b57dbc060evboxsync return false;
8599686860198730ae53d5895386d1b57dbc060evboxsync break;
8599686860198730ae53d5895386d1b57dbc060evboxsync
8599686860198730ae53d5895386d1b57dbc060evboxsync /* The 0xc6 /0 and 0xc7 /0 variants of this instruction don't get their /r values verified. */
8599686860198730ae53d5895386d1b57dbc060evboxsync case OP_MOV:
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync if ( ( pDis->bOpCode == 0xc6
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync || pDis->bOpCode == 0xc7)
377e22fd02a277efa645dfe4e1a327f4fa26c2aavboxsync && pDis->ModRM.Bits.Reg != 0)
8599686860198730ae53d5895386d1b57dbc060evboxsync return false;
8599686860198730ae53d5895386d1b57dbc060evboxsync break;
8599686860198730ae53d5895386d1b57dbc060evboxsync
8599686860198730ae53d5895386d1b57dbc060evboxsync default:
8599686860198730ae53d5895386d1b57dbc060evboxsync break;
8599686860198730ae53d5895386d1b57dbc060evboxsync }
8599686860198730ae53d5895386d1b57dbc060evboxsync
8599686860198730ae53d5895386d1b57dbc060evboxsync return true;
8599686860198730ae53d5895386d1b57dbc060evboxsync}
8599686860198730ae53d5895386d1b57dbc060evboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
e20d4a49a29e2814ae21d3710e9b6e2e77afd94dvboxsync * @interface_method_impl{FNDISREADBYTES}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsyncstatic DECLCALLBACK(int) MyDisasInstrRead(PDISSTATE pDis, uint8_t offInstr, uint8_t cbMinRead, uint8_t cbMaxRead)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
10f18618390096a9c968016b6ca94d77b91618fbvboxsync PMYDISSTATE pState = (PMYDISSTATE)pDis;
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync RTUINTPTR uSrcAddr = pState->Dis.uInstrAddr + offInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (RT_LIKELY( pState->uNextAddr == uSrcAddr
10f18618390096a9c968016b6ca94d77b91618fbvboxsync && pState->cbLeft >= cbMinRead))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Straight forward reading.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
10f18618390096a9c968016b6ca94d77b91618fbvboxsync //size_t cbToRead = cbMaxRead;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync size_t cbToRead = cbMinRead;
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync memcpy(&pState->Dis.abInstr[offInstr], pState->pbNext, cbToRead);
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync pState->Dis.cbCachedInstr = offInstr + cbToRead;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->pbNext += cbToRead;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->cbLeft -= cbToRead;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->uNextAddr += cbToRead;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync return VINF_SUCCESS;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync }
10f18618390096a9c968016b6ca94d77b91618fbvboxsync
10f18618390096a9c968016b6ca94d77b91618fbvboxsync if (pState->uNextAddr == uSrcAddr)
10f18618390096a9c968016b6ca94d77b91618fbvboxsync {
10f18618390096a9c968016b6ca94d77b91618fbvboxsync /*
10f18618390096a9c968016b6ca94d77b91618fbvboxsync * Reading too much.
10f18618390096a9c968016b6ca94d77b91618fbvboxsync */
10f18618390096a9c968016b6ca94d77b91618fbvboxsync if (pState->cbLeft > 0)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync memcpy(&pState->Dis.abInstr[offInstr], pState->pbNext, pState->cbLeft);
10f18618390096a9c968016b6ca94d77b91618fbvboxsync offInstr += (uint8_t)pState->cbLeft;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync cbMinRead -= (uint8_t)pState->cbLeft;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->pbNext += pState->cbLeft;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->uNextAddr += pState->cbLeft;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->cbLeft = 0;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync memset(&pState->Dis.abInstr[offInstr], 0xcc, cbMinRead);
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->rc = VERR_EOF;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
10f18618390096a9c968016b6ca94d77b91618fbvboxsync * Non-sequential read, that's an error.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
10f18618390096a9c968016b6ca94d77b91618fbvboxsync RTStrmPrintf(g_pStdErr, "Reading before current instruction!\n");
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync memset(&pState->Dis.abInstr[offInstr], 0x90, cbMinRead);
10f18618390096a9c968016b6ca94d77b91618fbvboxsync pState->rc = VERR_INTERNAL_ERROR;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync pState->Dis.cbCachedInstr = offInstr + cbMinRead;
10f18618390096a9c968016b6ca94d77b91618fbvboxsync return pState->rc;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Disassembles a block of memory.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @returns VBox status code.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param argv0 Program name (for errors and warnings).
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param enmCpuMode The cpu mode to disassemble in.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param uAddress The address we're starting to disassemble at.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param uHighlightAddr The address of the instruction that should be
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * highlighted. Pass UINT64_MAX to keep quiet.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param pbFile Where to start disassemble.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param cbFile How much to disassemble.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param enmStyle The assembly output style.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param fListing Whether to print in a listing like mode.
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync * @param enmUndefOp How to deal with undefined opcodes.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsyncstatic int MyDisasmBlock(const char *argv0, DISCPUMODE enmCpuMode, uint64_t uAddress,
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync uint64_t uHighlightAddr, uint8_t *pbFile, size_t cbFile,
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync ASMSTYLE enmStyle, bool fListing, UNDEFOPHANDLING enmUndefOp)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Initialize the CPU context.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync MYDISSTATE State;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.uAddress = uAddress;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.pbInstr = pbFile;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.cbInstr = 0;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync State.enmUndefOp = enmUndefOp;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.rc = VINF_SUCCESS;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.cbLeft = cbFile;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.pbNext = pbFile;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.uNextAddr = uAddress;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync void (*pfnFormatter)(PMYDISSTATE pState);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync switch (enmStyle)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case kAsmStyle_Default:
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pfnFormatter = MyDisasDefaultFormatter;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case kAsmStyle_yasm:
98502a585f6eda30527b54f7df18dd3de3d3d7c6vboxsync RTPrintf(" BITS %d\n", enmCpuMode == DISCPUMODE_16BIT ? 16 : enmCpuMode == DISCPUMODE_32BIT ? 32 : 64);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pfnFormatter = MyDisasYasmFormatter;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case kAsmStyle_masm:
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pfnFormatter = MyDisasMasmFormatter;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync default:
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync AssertFailedReturn(VERR_INTERNAL_ERROR);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * The loop.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int rcRet = VINF_SUCCESS;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync while (State.cbLeft > 0)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Disassemble it.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.cbInstr = 0;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.cbLeft += State.pbNext - State.pbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.uNextAddr = State.uAddress;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.pbNext = State.pbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
66b5c940dde8fe7fc7ab14b7c7f1b65d852fb4ddvboxsync int rc = DISInstrToStrWithReader(State.uAddress, enmCpuMode, MyDisasInstrRead, &State,
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync &State.Dis, &State.cbInstr, State.szLine, sizeof(State.szLine));
8599686860198730ae53d5895386d1b57dbc060evboxsync if ( RT_SUCCESS(rc)
8599686860198730ae53d5895386d1b57dbc060evboxsync || ( ( rc == VERR_DIS_INVALID_OPCODE
8599686860198730ae53d5895386d1b57dbc060evboxsync || rc == VERR_DIS_GEN_FAILURE)
8599686860198730ae53d5895386d1b57dbc060evboxsync && State.enmUndefOp == kUndefOp_DefineByte))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
8599686860198730ae53d5895386d1b57dbc060evboxsync State.fUndefOp = rc == VERR_DIS_INVALID_OPCODE
8599686860198730ae53d5895386d1b57dbc060evboxsync || rc == VERR_DIS_GEN_FAILURE
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync || State.Dis.pCurInstr->uOpcode == OP_INVALID
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync || State.Dis.pCurInstr->uOpcode == OP_ILLUD2
10f18618390096a9c968016b6ca94d77b91618fbvboxsync || ( State.enmUndefOp == kUndefOp_DefineByte
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync && !MyDisasIsValidInstruction(&State.Dis));
8599686860198730ae53d5895386d1b57dbc060evboxsync if (State.fUndefOp && State.enmUndefOp == kUndefOp_DefineByte)
8599686860198730ae53d5895386d1b57dbc060evboxsync {
8599686860198730ae53d5895386d1b57dbc060evboxsync if (!State.cbInstr)
8599686860198730ae53d5895386d1b57dbc060evboxsync {
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync State.Dis.abInstr[0] = 0;
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync State.Dis.pfnReadBytes(&State.Dis, 0, 1, 1);
99cd1ce586a12bf6b8c6084cbcdebe8fe3553cc2vboxsync State.cbInstr = 1;
8599686860198730ae53d5895386d1b57dbc060evboxsync }
99cd1ce586a12bf6b8c6084cbcdebe8fe3553cc2vboxsync RTPrintf(" db");
99cd1ce586a12bf6b8c6084cbcdebe8fe3553cc2vboxsync for (unsigned off = 0; off < State.cbInstr; off++)
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync RTPrintf(off ? ", %03xh" : " %03xh", State.Dis.abInstr[off]);
8599686860198730ae53d5895386d1b57dbc060evboxsync RTPrintf(" ; %s\n", State.szLine);
8599686860198730ae53d5895386d1b57dbc060evboxsync }
8599686860198730ae53d5895386d1b57dbc060evboxsync else if (!State.fUndefOp && State.enmUndefOp == kUndefOp_All)
d4162288035439690deb3175bc2ca74a015e325bvboxsync {
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync RTPrintf("%s: error at %#RX64: unexpected valid instruction (op=%d)\n", argv0, State.uAddress, State.Dis.pCurInstr->uOpcode);
d4162288035439690deb3175bc2ca74a015e325bvboxsync pfnFormatter(&State);
d4162288035439690deb3175bc2ca74a015e325bvboxsync rcRet = VERR_GENERAL_FAILURE;
d4162288035439690deb3175bc2ca74a015e325bvboxsync }
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync else if (State.fUndefOp && State.enmUndefOp == kUndefOp_Fail)
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync {
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync RTPrintf("%s: error at %#RX64: undefined opcode (op=%d)\n", argv0, State.uAddress, State.Dis.pCurInstr->uOpcode);
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync pfnFormatter(&State);
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync rcRet = VERR_GENERAL_FAILURE;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync }
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync else
8599686860198730ae53d5895386d1b57dbc060evboxsync {
8599686860198730ae53d5895386d1b57dbc060evboxsync /* Use db for odd encodings that we can't make the assembler use. */
8599686860198730ae53d5895386d1b57dbc060evboxsync if ( State.enmUndefOp == kUndefOp_DefineByte
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync && DISFormatYasmIsOddEncoding(&State.Dis))
8599686860198730ae53d5895386d1b57dbc060evboxsync {
8599686860198730ae53d5895386d1b57dbc060evboxsync RTPrintf(" db");
8599686860198730ae53d5895386d1b57dbc060evboxsync for (unsigned off = 0; off < State.cbInstr; off++)
6d51216d13610f142b377a8e15c6c51adb83ba1bvboxsync RTPrintf(off ? ", %03xh" : " %03xh", State.Dis.abInstr[off]);
8599686860198730ae53d5895386d1b57dbc060evboxsync RTPrintf(" ; ");
8599686860198730ae53d5895386d1b57dbc060evboxsync }
8599686860198730ae53d5895386d1b57dbc060evboxsync
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync pfnFormatter(&State);
8599686860198730ae53d5895386d1b57dbc060evboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.cbInstr = State.pbNext - State.pbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (!State.cbLeft)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTPrintf("%s: error at %#RX64: read beyond the end (%Rrc)\n", argv0, State.uAddress, rc);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else if (State.cbInstr)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTPrintf("%s: error at %#RX64: %Rrc cbInstr=%d\n", argv0, State.uAddress, rc, State.cbInstr);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTPrintf("%s: error at %#RX64: %Rrc cbInstr=%d!\n", argv0, State.uAddress, rc, State.cbInstr);
d4162288035439690deb3175bc2ca74a015e325bvboxsync if (rcRet == VINF_SUCCESS)
d4162288035439690deb3175bc2ca74a015e325bvboxsync rcRet = rc;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync /* Highlight this instruction? */
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync if (uHighlightAddr - State.uAddress < State.cbInstr)
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync RTPrintf("; ^^^^^^^^^^^^^^^^^^^^^\n");
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync /* Check that the size-only mode returns the smae size on success. */
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync if (RT_SUCCESS(rc))
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync {
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync uint32_t cbInstrOnly = 32;
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync uint8_t abInstr[sizeof(State.Dis.abInstr)];
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync memcpy(abInstr, State.Dis.abInstr, sizeof(State.Dis.abInstr));
2e65d8da6ef2ef03491ebb4c3f065f10dd912b36vboxsync int rcOnly = DISInstrWithPrefetchedBytes(State.uAddress, enmCpuMode, 0 /*fFilter - none */,
2e65d8da6ef2ef03491ebb4c3f065f10dd912b36vboxsync abInstr, State.Dis.cbCachedInstr, MyDisasInstrRead, &State,
2e65d8da6ef2ef03491ebb4c3f065f10dd912b36vboxsync &State.Dis, &cbInstrOnly);
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync if ( rcOnly != rc
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync || cbInstrOnly != State.cbInstr)
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync {
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync RTPrintf("; Instruction size only check failed rc=%Rrc cbInstrOnly=%#x exepcted %Rrc and %#x\n",
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync rcOnly, cbInstrOnly, rc, State.cbInstr);
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync rcRet = VERR_GENERAL_FAILURE;
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync break;
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync }
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync }
8ed69d0690530fb94a9d77e642c563a092fe6643vboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /* next */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.uAddress += State.cbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.pbInstr += State.cbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return rcRet;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync/**
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * Converts a hex char to a number.
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync *
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * @returns 0..15 on success, -1 on failure.
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * @param ch The character.
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync */
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsyncstatic int HexDigitToNum(char ch)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync{
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync switch (ch)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '0': return 0;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '1': return 1;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '2': return 2;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '3': return 3;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '4': return 4;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '5': return 5;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '6': return 6;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '7': return 7;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '8': return 8;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case '9': return 9;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'A':
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'a': return 0xa;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'B':
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'b': return 0xb;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'C':
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'c': return 0xc;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'D':
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'd': return 0xd;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'E':
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'e': return 0xe;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'F':
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'f': return 0xf;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync default:
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync RTPrintf("error: Invalid hex digit '%c'\n", ch);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync return -1;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Prints usage info.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @returns 1.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param argv0 The program name.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncstatic int Usage(const char *argv0)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTStrmPrintf(g_pStdErr,
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync"usage: %s [options] <file1> [file2..fileN]\n"
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync" or: %s [options] <-x|--hex-bytes> <hex byte> [more hex..]\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" or: %s <--help|-h>\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync"\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync"Options:\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" --address|-a <address>\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" The base address. Default: 0\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" --max-bytes|-b <bytes>\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" The maximum number of bytes to disassemble. Default: 1GB\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" --cpumode|-c <16|32|64>\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" The cpu mode. Default: 32\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" --listing|-l, --no-listing|-L\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" Enables or disables listing mode. Default: --no-listing\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" --offset|-o <offset>\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" The file offset at which to start disassembling. Default: 0\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" --style|-s <default|yasm|masm>\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync" The assembly output style. Default: default\n"
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync" --undef-op|-u <fail|all|db>\n"
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync" How to treat undefined opcodes. Default: fail\n"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync , argv0, argv0);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncint main(int argc, char **argv)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
230bd8589bba39933ac5ec21482d6186d675e604vboxsync RTR3InitExe(argc, &argv, 0);
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync const char * const argv0 = RTPathFilename(argv[0]);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /* options */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint64_t uAddress = 0;
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync uint64_t uHighlightAddr = UINT64_MAX;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync ASMSTYLE enmStyle = kAsmStyle_Default;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync UNDEFOPHANDLING enmUndefOp = kUndefOp_Fail;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync bool fListing = true;
98502a585f6eda30527b54f7df18dd3de3d3d7c6vboxsync DISCPUMODE enmCpuMode = DISCPUMODE_32BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTFOFF off = 0;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTFOFF cbMax = _1G;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync bool fHexBytes = false;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Parse arguments.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
83dc9ca94cd3c31dabc33a35b945de124d43aaeavboxsync static const RTGETOPTDEF g_aOptions[] =
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--address", 'a', RTGETOPT_REQ_UINT64 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--cpumode", 'c', RTGETOPT_REQ_UINT32 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--bytes", 'b', RTGETOPT_REQ_INT64 },
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync { "--listing", 'l', RTGETOPT_REQ_NOTHING },
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync { "--no-listing", 'L', RTGETOPT_REQ_NOTHING },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--offset", 'o', RTGETOPT_REQ_INT64 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--style", 's', RTGETOPT_REQ_STRING },
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync { "--undef-op", 'u', RTGETOPT_REQ_STRING },
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync { "--hex-bytes", 'x', RTGETOPT_REQ_NOTHING },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync };
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int ch;
83dc9ca94cd3c31dabc33a35b945de124d43aaeavboxsync RTGETOPTUNION ValueUnion;
83dc9ca94cd3c31dabc33a35b945de124d43aaeavboxsync RTGETOPTSTATE GetState;
fb1975a6972d89de9e515bed0248db93f04ec9d8vboxsync RTGetOptInit(&GetState, argc, argv, g_aOptions, RT_ELEMENTS(g_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
fb1975a6972d89de9e515bed0248db93f04ec9d8vboxsync while ( (ch = RTGetOpt(&GetState, &ValueUnion))
fb1975a6972d89de9e515bed0248db93f04ec9d8vboxsync && ch != VINF_GETOPT_NOT_OPTION)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync switch (ch)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'a':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uAddress = ValueUnion.u64;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'b':
45ba3824ce994ee3ac0eba643ae85af170cba1fdvboxsync cbMax = ValueUnion.i64;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'c':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (ValueUnion.u32 == 16)
98502a585f6eda30527b54f7df18dd3de3d3d7c6vboxsync enmCpuMode = DISCPUMODE_16BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else if (ValueUnion.u32 == 32)
98502a585f6eda30527b54f7df18dd3de3d3d7c6vboxsync enmCpuMode = DISCPUMODE_32BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else if (ValueUnion.u32 == 64)
98502a585f6eda30527b54f7df18dd3de3d3d7c6vboxsync enmCpuMode = DISCPUMODE_64BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync RTStrmPrintf(g_pStdErr, "%s: Invalid CPU mode value %RU32\n", argv0, ValueUnion.u32);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'h':
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync return Usage(argv0);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'l':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync fListing = true;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'L':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync fListing = false;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'o':
45ba3824ce994ee3ac0eba643ae85af170cba1fdvboxsync off = ValueUnion.i64;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 's':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (!strcmp(ValueUnion.psz, "default"))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync enmStyle = kAsmStyle_Default;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else if (!strcmp(ValueUnion.psz, "yasm"))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync enmStyle = kAsmStyle_yasm;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else if (!strcmp(ValueUnion.psz, "masm"))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync enmStyle = kAsmStyle_masm;
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync RTStrmPrintf(g_pStdErr, "%s: masm style isn't implemented yet\n", argv0);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync RTStrmPrintf(g_pStdErr, "%s: unknown assembly style: %s\n", argv0, ValueUnion.psz);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync case 'u':
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync if (!strcmp(ValueUnion.psz, "fail"))
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync enmUndefOp = kUndefOp_Fail;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync else if (!strcmp(ValueUnion.psz, "all"))
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync enmUndefOp = kUndefOp_All;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync else if (!strcmp(ValueUnion.psz, "db"))
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync enmUndefOp = kUndefOp_DefineByte;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync else
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync {
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync RTStrmPrintf(g_pStdErr, "%s: unknown undefined opcode handling method: %s\n", argv0, ValueUnion.psz);
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync return 1;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync }
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync break;
7748b9362d6a39df9045d5d05ccb57871145a649vboxsync
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync case 'x':
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync fHexBytes = true;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync break;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync
fb1975a6972d89de9e515bed0248db93f04ec9d8vboxsync case 'V':
3b6ed1f6bb66bc5a3cde6d1eb149932b6ba75661vboxsync RTPrintf("$Revision$\n");
fb1975a6972d89de9e515bed0248db93f04ec9d8vboxsync return 0;
83dc9ca94cd3c31dabc33a35b945de124d43aaeavboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync default:
fb1975a6972d89de9e515bed0248db93f04ec9d8vboxsync return RTGetOptPrintError(ch, &ValueUnion);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
83dc9ca94cd3c31dabc33a35b945de124d43aaeavboxsync int iArg = GetState.iNext - 1; /** @todo Not pretty, add RTGetOptInit flag for this. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (iArg >= argc)
8fa1e8a8a8702ee38195fbe7ad5959bf971eb93bvboxsync return Usage(argv0);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int rc = VINF_SUCCESS;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync if (fHexBytes)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * Convert the remaining arguments from a hex byte string into
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * a buffer that we disassemble.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync size_t cb = 0;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync uint8_t *pb = NULL;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync for ( ; iArg < argc; iArg++)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync char ch2;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync const char *psz = argv[iArg];
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync while (*psz)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync /** @todo this stuff belongs in IPRT, same stuff as mac address reading. Could be reused for IPv6 with a different item size.*/
ad27e1d5e48ca41245120c331cc88b50464813cevboxsync /* skip white space, and for the benefit of linux panics '<' and '>'. */
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync while (RT_C_IS_SPACE(ch2 = *psz) || ch2 == '<' || ch2 == '>' || ch2 == ',' || ch2 == ';')
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync {
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync if (ch2 == '<')
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync uHighlightAddr = uAddress + cb;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync psz++;
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync }
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync if (ch2 == '0' && (psz[1] == 'x' || psz[1] == 'X'))
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync {
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync psz += 2;
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync ch2 = *psz;
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync }
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync if (!ch2)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync break;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync /* one digit followed by a space or EOS, or two digits. */
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync int iNum = HexDigitToNum(*psz++);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync if (iNum == -1)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync return 1;
b3a342577cc87b05977a5bfc90924c9e80e0877bvboxsync if (!RT_C_IS_SPACE(ch2 = *psz) && ch2 != '\0' && ch2 != '>' && ch2 != ',' && ch2 != ';')
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync int iDigit = HexDigitToNum(*psz++);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync if (iDigit == -1)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync return 1;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync iNum = iNum * 16 + iDigit;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync /* add the byte */
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync if (!(cb % 4 /*64*/))
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync pb = (uint8_t *)RTMemRealloc(pb, cb + 64);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync if (!pb)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync RTPrintf("%s: error: RTMemRealloc failed\n", argv[0]);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync return 1;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync pb[cb++] = (uint8_t)iNum;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Disassemble it.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync rc = MyDisasmBlock(argv0, enmCpuMode, uAddress, uHighlightAddr, pb, cb, enmStyle, fListing, enmUndefOp);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync else
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync /*
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * Process the files.
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync */
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync for ( ; iArg < argc; iArg++)
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync /*
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * Read the file into memory.
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync */
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync void *pvFile;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync size_t cbFile;
3f53db546002b7bd0fcfdfa6da646d518490888dvboxsync rc = RTFileReadAllEx(argv[iArg], off, cbMax, RTFILE_RDALL_O_DENY_NONE, &pvFile, &cbFile);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync if (RT_FAILURE(rc))
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync {
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync RTStrmPrintf(g_pStdErr, "%s: %s: %Rrc\n", argv0, argv[iArg], rc);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync break;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync /*
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync * Disassemble it.
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync */
e37bf11b9c725db1bb30da247fedebdb4ed20d29vboxsync rc = MyDisasmBlock(argv0, enmCpuMode, uAddress, uHighlightAddr, (uint8_t *)pvFile, cbFile, enmStyle, fListing, enmUndefOp);
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync if (RT_FAILURE(rc))
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync break;
57a94b9fea6a6400f7a80e322e84b5b453c3bff0vboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return RT_SUCCESS(rc) ? 0 : 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync