Exemple #1
0
/**
 * Yasm style.
 *
 * @param   pState      The disassembler state.
 */
static void MyDisasYasmFormatter(PMYDISSTATE pState)
{
    char szTmp[256];
#if 0
    /* a very quick hack. */
    strcpy(szTmp, RTStrStripL(strchr(pState->szLine, ':') + 1));

    char *psz = strrchr(szTmp, '[');
    *psz = '\0';
    RTStrStripR(szTmp);

    psz = strstr(szTmp, " ptr ");
    if (psz)
        memset(psz, ' ', 5);

    char *pszEnd = strchr(szTmp, '\0');
    while (pszEnd - &szTmp[0] < 71)
        *pszEnd++ = ' ';
    *pszEnd = '\0';

#else
    size_t cch = DISFormatYasmEx(&pState->Dis, szTmp, sizeof(szTmp),
                                 DIS_FMT_FLAGS_STRICT | DIS_FMT_FLAGS_ADDR_RIGHT | DIS_FMT_FLAGS_ADDR_COMMENT
                                 | DIS_FMT_FLAGS_BYTES_RIGHT | DIS_FMT_FLAGS_BYTES_COMMENT | DIS_FMT_FLAGS_BYTES_SPACED,
                                 NULL, NULL);
    Assert(cch < sizeof(szTmp));
    while (cch < 71)
        szTmp[cch++] = ' ';
    szTmp[cch] = '\0';
#endif

    RTPrintf("    %s ; %s", szTmp, pState->szLine);
}
Exemple #2
0
/**
 * Disassembles one instruction; only fully disassembly an instruction if it matches the filter criteria
 *
 * @returns VBox error code
 * @param   uInstrAddr      Pointer to the structure to disassemble.
 * @param   enmCpuMode      The CPU mode.
 * @param   pfnCallback     The byte fetcher callback.
 * @param   uFilter         Instruction filter.
 * @param   pDis            Where to return the disassembled instruction info.
 * @param   pcbInstr        Where to store the size of the instruction. NULL is
 *                          allowed.
 * @param   pszOutput       Storage for disassembled instruction.
 * @param   cbOutput        Size of the output buffer.
 *
 * @todo    Define output callback.
 */
DISDECL(int) DISInstrToStrEx(RTUINTPTR uInstrAddr, DISCPUMODE enmCpuMode,
                             PFNDISREADBYTES pfnReadBytes, void *pvUser, uint32_t uFilter,
                             PDISSTATE pDis, uint32_t *pcbInstr, char *pszOutput, size_t cbOutput)
{
    /* Don't filter if formatting is desired. */
    if (uFilter !=  DISOPTYPE_ALL && pszOutput && cbOutput)
        uFilter = DISOPTYPE_ALL;

    int rc = DISInstrEx(uInstrAddr, enmCpuMode, uFilter, pfnReadBytes, pvUser, pDis, pcbInstr);
    if (RT_SUCCESS(rc) && pszOutput && cbOutput)
    {
        size_t cch = DISFormatYasmEx(pDis, pszOutput, cbOutput,
                                     DIS_FMT_FLAGS_BYTES_LEFT | DIS_FMT_FLAGS_BYTES_BRACKETS | DIS_FMT_FLAGS_BYTES_SPACED
                                     | DIS_FMT_FLAGS_RELATIVE_BRANCH | DIS_FMT_FLAGS_ADDR_LEFT,
                                     NULL /*pfnGetSymbol*/, NULL /*pvUser*/);
        if (cch + 2 <= cbOutput)
        {
            pszOutput[cch++] = '\n';
            pszOutput[cch] = '\0';
        }
    }
    return rc;
}