Exemplo n.º 1
0
/**
 * Handle registration worker.
 * This allocates the structure, initializes the common fields and inserts into the list.
 * Upon successful return the we're inside the crit sect and the caller must leave it.
 *
 * @returns VBox status code.
 * @param   pVM         Pointer to the VM.
 * @param   pszName     The identifier of the info.
 * @param   pszDesc     The description of the info and any arguments the handler may take.
 * @param   fFlags      The flags.
 * @param   ppInfo      Where to store the created
 */
static int dbgfR3InfoRegister(PVM pVM, const char *pszName, const char *pszDesc, uint32_t fFlags, PDBGFINFO *ppInfo)
{
    /*
     * Validate.
     */
    AssertPtrReturn(pszName, VERR_INVALID_POINTER);
    AssertReturn(*pszName, VERR_INVALID_PARAMETER);
    AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
    AssertMsgReturn(!(fFlags & ~(DBGFINFO_FLAGS_RUN_ON_EMT)), ("fFlags=%#x\n", fFlags), VERR_INVALID_PARAMETER);

    /*
     * Allocate and initialize.
     */
    int rc;
    size_t cchName = strlen(pszName) + 1;
    PDBGFINFO pInfo = (PDBGFINFO)MMR3HeapAlloc(pVM, MM_TAG_DBGF_INFO, RT_OFFSETOF(DBGFINFO, szName[cchName]));
    if (pInfo)
    {
        pInfo->enmType = DBGFINFOTYPE_INVALID;
        pInfo->fFlags = fFlags;
        pInfo->pszDesc = pszDesc;
        pInfo->cchName = cchName - 1;
        memcpy(pInfo->szName, pszName, cchName);

        /* lazy init */
        rc = VINF_SUCCESS;
        if (!RTCritSectIsInitialized(&pVM->dbgf.s.InfoCritSect))
            rc = dbgfR3InfoInit(pVM);
        if (RT_SUCCESS(rc))
        {
            /*
             * Insert in alphabetical order.
             */
            rc = RTCritSectEnter(&pVM->dbgf.s.InfoCritSect);
            AssertRC(rc);
            PDBGFINFO pPrev = NULL;
            PDBGFINFO pCur;
            for (pCur = pVM->dbgf.s.pInfoFirst; pCur; pPrev = pCur, pCur = pCur->pNext)
                if (strcmp(pszName, pCur->szName) < 0)
                    break;
            pInfo->pNext = pCur;
            if (pPrev)
                pPrev->pNext = pInfo;
            else
                pVM->dbgf.s.pInfoFirst = pInfo;

            *ppInfo = pInfo;
            return VINF_SUCCESS;
        }
        MMR3HeapFree(pInfo);
    }
    else
        rc = VERR_NO_MEMORY;
    return rc;
}
Exemplo n.º 2
0
/**
 * Initializes the DBGF.
 *
 * @returns VBox status code.
 * @param   pVM     Pointer to the VM.
 */
VMMR3DECL(int) DBGFR3Init(PVM pVM)
{
    int rc = dbgfR3InfoInit(pVM);
    if (RT_SUCCESS(rc))
        rc = dbgfR3TraceInit(pVM);
    if (RT_SUCCESS(rc))
        rc = dbgfR3RegInit(pVM);
    if (RT_SUCCESS(rc))
        rc = dbgfR3AsInit(pVM);
    if (RT_SUCCESS(rc))
        rc = dbgfR3SymInit(pVM);
    if (RT_SUCCESS(rc))
        rc = dbgfR3BpInit(pVM);
    return rc;
}