tstDisasm-2.cpp revision 7bf0220c3332700233120b513c9b4ba20a0caa9b
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/* $Id$ */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/** @file
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Testcase - Generic Disassembler Tool.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Copyright (C) 2008 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * additional information or have any questions.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/*******************************************************************************
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync* Header Files *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync*******************************************************************************/
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <VBox/dis.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/stream.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/getopt.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/file.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/string.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/runtime.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync#include <iprt/err.h>
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/*******************************************************************************
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync* Structures and Typedefs *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync*******************************************************************************/
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsynctypedef enum { kAsmStyle_Default, kAsmStyle_yasm, kAsmStyle_masm, kAsmStyle_invalid } ASMSTYLE;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsynctypedef struct MYDISSTATE
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync DISCPUSTATE Cpu;
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. */
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
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{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTPrintf("yasm not implemented: %s", pState->szLine);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
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
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Callback for reading bytes.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncstatic DECLCALLBACK(int) MyDisasInstrRead(RTUINTPTR uSrcAddr, uint8_t *pbDst, uint32_t cbRead, void *pvDisCpu)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync PMYDISSTATE pState = (PMYDISSTATE)pvDisCpu;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (RT_LIKELY( pState->uNextAddr == uSrcAddr
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync && pState->cbLeft >= cbRead))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Straight forward reading.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (cbRead == 1)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->cbLeft--;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *pbDst = *pState->pbNext++;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->uNextAddr++;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync memcpy(pbDst, pState->pbNext, cbRead);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->pbNext += cbRead;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->cbLeft -= cbRead;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->uNextAddr += cbRead;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Jumping up the stream.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint64_t offReq64 = uSrcAddr - pState->uAddress;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (offReq64 < 32)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint32_t offReq = offReq64;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uintptr_t off = pState->pbNext - pState->pbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (off + pState->cbLeft <= offReq)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->pbNext += pState->cbLeft;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->uNextAddr += pState->cbLeft;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->cbLeft = 0;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync memset(pbDst, 0xcc, cbRead);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->rc = VERR_EOF;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return VERR_EOF;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /* reset the stream. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->cbLeft += off;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->pbNext = pState->pbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->uNextAddr = pState->uAddress;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /* skip ahead. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->cbLeft -= offReq;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->pbNext += offReq;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->uNextAddr += offReq;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /* do the reading. */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (pState->cbLeft >= cbRead)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync memcpy(pbDst, pState->pbNext, cbRead);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->cbLeft -= cbRead;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->pbNext += cbRead;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->uNextAddr += cbRead;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (pState->cbLeft > 0)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync memcpy(pbDst, pState->pbNext, pState->cbLeft);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pbDst += pState->cbLeft;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync cbRead -= pState->cbLeft;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->pbNext += pState->cbLeft;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->uNextAddr += pState->cbLeft;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->cbLeft = 0;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync memset(pbDst, 0xcc, cbRead);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->rc = VERR_EOF;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return VERR_EOF;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTStrmPrintf(g_pStdErr, "Reading before current instruction!\n");
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync memset(pbDst, 0x90, cbRead);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pState->rc = VERR_INTERNAL_ERROR;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return VERR_INTERNAL_ERROR;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return VINF_SUCCESS;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync/**
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Disassembles a block of memory.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync *
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @returns VBox status code.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param argv0 Program name (for errors and warnings).
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param enmCpuMode The cpu mode to disassemble in.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param uAddress The address we're starting to disassemble at.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param pbFile Where to start disassemble.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param cbFile How much to disassemble.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param enmStyle The assembly output style.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * @param fListing Whether to print in a listing like mode.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncstatic int MyDisasmBlock(const char *argv0, DISCPUMODE enmCpuMode, uint64_t uAddress, uint8_t *pbFile, size_t cbFile,
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync ASMSTYLE enmStyle, bool fListing)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Initialize the CPU context.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync MYDISSTATE State;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.Cpu.mode = enmCpuMode;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.Cpu.pfnReadBytes = MyDisasInstrRead;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.uAddress = uAddress;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.pbInstr = pbFile;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.cbInstr = 0;
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:
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
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int rc = DISInstr(&State.Cpu, State.uAddress, 0, &State.cbInstr, State.szLine);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (RT_SUCCESS(rc))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync pfnFormatter(&State);
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);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync rcRet = rc;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /* next */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.uAddress += State.cbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync State.pbInstr += State.cbInstr;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return rcRet;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
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"
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"
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync , argv0, argv0);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsyncint main(int argc, char **argv)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync{
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTR3Init();
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /* options */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uint64_t uAddress = 0;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync ASMSTYLE enmStyle = kAsmStyle_Default;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync bool fListing = true;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync DISCPUMODE enmCpuMode = CPUMODE_32BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTFOFF off = 0;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTFOFF cbMax = _1G;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Parse arguments.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync static const RTOPTIONDEF g_aOptions[] =
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--address", 'a', RTGETOPT_REQ_UINT64 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--cpumode", 'c', RTGETOPT_REQ_UINT32 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--help", 'h', 0 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--bytes", 'b', RTGETOPT_REQ_INT64 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--listing", 'l', 0 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--no-listing", 'L', 0 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--offset", 'o', RTGETOPT_REQ_INT64 },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync { "--style", 's', RTGETOPT_REQ_STRING },
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync };
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int ch;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int iArg = 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTOPTIONUNION ValueUnion;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync while ((ch = RTGetOpt(argc, argv, g_aOptions, RT_ELEMENTS(g_aOptions), &iArg, &ValueUnion)))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync switch (ch)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'a':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync uAddress = ValueUnion.u64;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'b':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync cbMax = ValueUnion.i;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'c':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (ValueUnion.u32 == 16)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync enmCpuMode = CPUMODE_16BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else if (ValueUnion.u32 == 32)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync enmCpuMode = CPUMODE_32BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else if (ValueUnion.u32 == 64)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync enmCpuMode = CPUMODE_64BIT;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTStrmPrintf(g_pStdErr, "%s: Invalid CPU mode value %RU32\n", argv[0], ValueUnion.u32);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'h':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return Usage(argv[0]);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'l':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync fListing = true;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'L':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync fListing = false;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync case 'o':
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync off = ValueUnion.i;
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;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTStrmPrintf(g_pStdErr, "%s: masm style isn't implemented yet\n", argv[0]);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync else
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTStrmPrintf(g_pStdErr, "%s: unknown assembly style: %s\n", argv[0], ValueUnion.psz);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync default:
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTStrmPrintf(g_pStdErr, "%s: syntax error: %Rrc\n", argv[0], ch);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (iArg >= argc)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return Usage(argv[0]);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Process the files.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync int rc = VINF_SUCCESS;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync for ( ; iArg < argc; iArg++)
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Read the file into memory.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync void *pvFile;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync size_t cbFile;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync rc = RTFileReadAllEx(argv[iArg], off, cbMax, 0, &pvFile, &cbFile);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (RT_FAILURE(rc))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync {
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync RTStrmPrintf(g_pStdErr, "%s: %s: %Rrc\n", argv[0], argv[iArg], rc);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync /*
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync * Disassemble it.
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync */
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync rc = MyDisasmBlock(argv[0], enmCpuMode, uAddress, (uint8_t *)pvFile, cbFile, enmStyle, fListing);
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync if (RT_FAILURE(rc))
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync break;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync }
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync return RT_SUCCESS(rc) ? 0 : 1;
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync}
7bf0220c3332700233120b513c9b4ba20a0caa9bvboxsync