RTDECL(int) RTCrX509Certificate_VerifySignature(PCRTCRX509CERTIFICATE pThis, PCRTASN1OBJID pAlgorithm,
                                                PCRTASN1DYNTYPE pParameters, PCRTASN1BITSTRING pPublicKey,
                                                PRTERRINFO pErrInfo)
{
    /*
     * Validate the input a little.
     */
    AssertPtrReturn(pThis, VERR_INVALID_POINTER);
    AssertReturn(RTCrX509Certificate_IsPresent(pThis), VERR_INVALID_PARAMETER);

    AssertPtrReturn(pAlgorithm, VERR_INVALID_POINTER);
    AssertReturn(RTAsn1ObjId_IsPresent(pAlgorithm), VERR_INVALID_POINTER);

    if (pParameters)
    {
        AssertPtrReturn(pParameters, VERR_INVALID_POINTER);
        if (pParameters->enmType == RTASN1TYPE_NULL)
            pParameters = NULL;
    }

    AssertPtrReturn(pPublicKey, VERR_INVALID_POINTER);
    AssertReturn(RTAsn1BitString_IsPresent(pPublicKey), VERR_INVALID_POINTER);

    /*
     * Check if the algorithm matches.
     */
    const char *pszCipherOid = RTCrPkixGetCiperOidFromSignatureAlgorithm(&pThis->SignatureAlgorithm.Algorithm);
    if (!pszCipherOid)
        return RTErrInfoSetF(pErrInfo, VERR_CR_X509_UNKNOWN_CERT_SIGN_ALGO,
                             "Certificate signature algorithm not known: %s",
                             pThis->SignatureAlgorithm.Algorithm.szObjId);

    if (RTAsn1ObjId_CompareWithString(pAlgorithm, pszCipherOid) != 0)
        return RTErrInfoSetF(pErrInfo, VERR_CR_X509_CERT_SIGN_ALGO_MISMATCH,
                             "Certificate signature cipher algorithm mismatch: cert uses %s (%s) while key uses %s",
                             pszCipherOid, pThis->SignatureAlgorithm.Algorithm.szObjId, pAlgorithm->szObjId);

    /*
     * Wrap up the public key.
     */
    RTCRKEY hPubKey;
    int rc = RTCrKeyCreateFromPublicAlgorithmAndBits(&hPubKey, pAlgorithm, pPublicKey, pErrInfo, NULL);
    if (RT_FAILURE(rc))
        return rc;

    /*
     * Here we should recode the to-be-signed part as DER, but we'll ASSUME
     * that it's already in DER encoding and only does this if there the
     * encoded bits are missing.
     */
    if (   pThis->TbsCertificate.SeqCore.Asn1Core.uData.pu8
        && pThis->TbsCertificate.SeqCore.Asn1Core.cb > 0)
        rc = RTCrPkixPubKeyVerifySignature(&pThis->SignatureAlgorithm.Algorithm, hPubKey, pParameters, &pThis->SignatureValue,
                                           RTASN1CORE_GET_RAW_ASN1_PTR(&pThis->TbsCertificate.SeqCore.Asn1Core),
                                           RTASN1CORE_GET_RAW_ASN1_SIZE(&pThis->TbsCertificate.SeqCore.Asn1Core),
                                           pErrInfo);
    else
    {
        uint32_t cbEncoded;
        rc = RTAsn1EncodePrepare((PRTASN1CORE)&pThis->TbsCertificate.SeqCore.Asn1Core, RTASN1ENCODE_F_DER, &cbEncoded, pErrInfo);
        if (RT_SUCCESS(rc))
        {
            void *pvTbsBits = RTMemTmpAlloc(cbEncoded);
            if (pvTbsBits)
            {
                rc = RTAsn1EncodeToBuffer(&pThis->TbsCertificate.SeqCore.Asn1Core, RTASN1ENCODE_F_DER,
                                          pvTbsBits, cbEncoded, pErrInfo);
                if (RT_SUCCESS(rc))
                    rc = RTCrPkixPubKeyVerifySignature(&pThis->SignatureAlgorithm.Algorithm, hPubKey, pParameters,
                                                       &pThis->SignatureValue, pvTbsBits, cbEncoded, pErrInfo);
                else
                    AssertRC(rc);
                RTMemTmpFree(pvTbsBits);
            }
            else
                rc = VERR_NO_TMP_MEMORY;
        }
    }

    /* Free the public key. */
    uint32_t cRefs = RTCrKeyRelease(hPubKey);
    Assert(cRefs == 0); NOREF(cRefs);

    return rc;
}

/**
 * Initializes any OS specific object creator fields.
 */
void VBOXCALL   supdrvOSObjInitCreator(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession)
{
    NOREF(pObj);
    NOREF(pSession);
}

DECLINLINE(void) vboxNetAdpReleaseUnit(int iUnit)
{
    bool fSet = ASMAtomicBitTestAndClear(g_aUnits, iUnit);
    NOREF(fSet);
    Assert(fSet);
}

int VBOXCALL    supdrvOSMsrProberWrite(uint32_t uMsr, RTCPUID idCpu, uint64_t uValue)
{
/** @todo cmi_hdl_wrmsr can safely do this. */
    NOREF(uMsr); NOREF(idCpu); NOREF(uValue);
    return VERR_NOT_SUPPORTED;
}

void VBOXCALL supdrvOSCleanupSession(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession)
{
    NOREF(pDevExt);
    NOREF(pSession);
}

void VBOXCALL   supdrvOSLdrNotifyOpened(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)
{
    NOREF(pDevExt); NOREF(pImage);
}

int  VBOXCALL   supdrvOSLdrLoad(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const uint8_t *pbImageBits, PSUPLDRLOAD pReq)
{
    NOREF(pDevExt); NOREF(pImage); NOREF(pbImageBits); NOREF(pReq);
    return VERR_NOT_SUPPORTED;
}

int suplibOsPageFree(PSUPLIBDATA pThis, void *pvPages, size_t cPages)
{
    NOREF(pThis);
    RTMemPageFree(pvPages, cPages * PAGE_SIZE);
    return VINF_SUCCESS;
}

size_t rtDirNativeGetStructSize(const char *pszPath)
{
    NOREF(pszPath);
    return sizeof(RTDIR);
}

int rtPathToNative(char const **ppszNativePath, const char *pszPath, const char *pszBasePath)
{
    *ppszNativePath = pszPath;
    NOREF(pszBasePath); /* We don't query the FS for codeset preferences. */
    return VINF_SUCCESS;
}

void rtPathFreeIprt(const char *pszPath, const char *pszNativePath)
{
    Assert(pszPath == pszNativePath || !pszPath);
    NOREF(pszPath); NOREF(pszNativePath);
}

RTDECL(int) RTFileAioCtxAssociateWithFile(RTFILEAIOCTX hAioCtx, RTFILE hFile)
{
    /* Nothing to do. */
    NOREF(hAioCtx); NOREF(hFile);
    return VINF_SUCCESS;
}

int main(int argc, char **argv)
{
    /* Only positive tests here. */
    NOREF(argc);
    NOREF(argv);

    AssertCompile(true);
    AssertCompile(1);
    AssertCompile(2);
    AssertCompile(99);

    uint8_t   u8;
    NOREF( u8);
    uint16_t u16;
    NOREF(u16);
    uint32_t u32;
    NOREF(u32);
    uint64_t u64;
    NOREF(u64);
    AssertCompileSize( u8, 1);
    AssertCompileSize(u16, 2);
    AssertCompileSize(u32, 4);
    AssertCompileSize(u64, 8);

    AssertCompileSizeAlignment( u8, 1);
    AssertCompileSizeAlignment(u16, 1);
    AssertCompileSizeAlignment(u16, 2);
    AssertCompileSizeAlignment(u32, 1);
    AssertCompileSizeAlignment(u32, 2);
    AssertCompileSizeAlignment(u32, 4);
    AssertCompileSizeAlignment(u64, 1);
    AssertCompileSizeAlignment(u64, 2);
    AssertCompileSizeAlignment(u64, 4);
    AssertCompileSizeAlignment(u64, 8);

    typedef struct STRUCT12S
    {
        uint8_t     u8;
        uint8_t     au8[8];
        uint64_t    u64;
        uint8_t     u8UnalignmentFiller1;
        uint32_t    u32;
        uint8_t     u8UnalignmentFiller2;
        uint16_t    u16;
        const char *psz;
        uint32_t    u32A;
        uint32_t    u32B;
    } STRUCT1, STRUCT2;

    AssertCompileMemberSize(STRUCT1,  u8, 1);
    AssertCompileMemberSize(STRUCT1, u16, 2);
    AssertCompileMemberSize(STRUCT1, u32, 4);
    AssertCompileMemberSize(STRUCT1, u64, 8);

    AssertCompileMemberSizeAlignment(STRUCT1,  u8, 1);
    AssertCompileMemberSizeAlignment(STRUCT1, u16, 1);
    AssertCompileMemberSizeAlignment(STRUCT1, u16, 2);
    AssertCompileMemberSizeAlignment(STRUCT1, u32, 1);
    AssertCompileMemberSizeAlignment(STRUCT1, u32, 2);
    AssertCompileMemberSizeAlignment(STRUCT1, u32, 4);
    AssertCompileMemberSizeAlignment(STRUCT1, u64, 1);
    AssertCompileMemberSizeAlignment(STRUCT1, u64, 2);
    AssertCompileMemberSizeAlignment(STRUCT1, u64, 4);
    AssertCompileMemberSizeAlignment(STRUCT1, u64, 8);
    AssertCompileMemberSizeAlignment(STRUCT1, psz, sizeof(void *));

    AssertCompileMemberAlignment(STRUCT1,  u8, 1);
    AssertCompileMemberAlignment(STRUCT1, u16, 1);
    AssertCompileMemberAlignment(STRUCT1, u16, 2);
    AssertCompileMemberAlignment(STRUCT1, u32, 1);
    AssertCompileMemberAlignment(STRUCT1, u32, 2);
    AssertCompileMemberAlignment(STRUCT1, u32, 4);
    AssertCompileMemberAlignment(STRUCT1, u64, 1);
    AssertCompileMemberAlignment(STRUCT1, u64, 2);
    AssertCompileMemberAlignment(STRUCT1, u64, 4);
#if defined(__GNUC__) && ARCH_BITS >= 64
    AssertCompileMemberAlignment(STRUCT1, u64, 8);
#endif
    AssertCompileMemberAlignment(STRUCT1, psz, sizeof(void *));

    AssertCompileMemberOffset(STRUCT1, u8, 0);
    AssertCompileMemberOffset(STRUCT1, au8, 1);
#ifndef _MSC_VER /** @todo figure out why MSC has trouble with these expressions */
    AssertCompileMemberOffset(STRUCT1, au8[0], 1);
    AssertCompileMemberOffset(STRUCT1, au8[8], 9);
#endif

    typedef union UNION1U
    {
        STRUCT1 s1;
        STRUCT2 s2;
    } UNION1;

    AssertCompile2MemberOffsets(UNION1, s1.u8,  s2.u8);
    AssertCompile2MemberOffsets(UNION1, s1.u16, s2.u16);
    AssertCompile2MemberOffsets(UNION1, s1.u32, s2.u32);
    AssertCompile2MemberOffsets(UNION1, s1.u64, s2.u64);
    AssertCompile2MemberOffsets(UNION1, s1.psz, s2.psz);

    AssertCompileAdjacentMembers(STRUCT1, u32A, u32B);
//.........这里部分代码省略.........

HRESULT DHCPServer::getEventSource(ComPtr<IEventSource> &aEventSource)
{
    NOREF(aEventSource);
    ReturnComNotImplemented();
}

int main()
{
    int rc = 0;
    printf("tstVMStructSize: TESTING\n");

    printf("info: struct VM: %d bytes\n", (int)sizeof(VM));

#define CHECK_PADDING_VM(align, member) \
    do \
    { \
        CHECK_PADDING(VM, member, align); \
        CHECK_MEMBER_ALIGNMENT(VM, member, align); \
        VM *p = NULL; NOREF(p); \
        if (sizeof(p->member.padding) >= (ssize_t)sizeof(p->member.s) + 128 + sizeof(p->member.s) / 20) \
            printf("warning: VM::%-8s: padding=%-5d s=%-5d -> %-4d  suggest=%-5u\n", \
                   #member, (int)sizeof(p->member.padding), (int)sizeof(p->member.s), \
                   (int)sizeof(p->member.padding) - (int)sizeof(p->member.s), \
                   (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
    } while (0)


#define CHECK_PADDING_VMCPU(align, member) \
    do \
    { \
        CHECK_PADDING(VMCPU, member, align); \
        CHECK_MEMBER_ALIGNMENT(VMCPU, member, align); \
        VMCPU *p = NULL; NOREF(p); \
        if (sizeof(p->member.padding) >= (ssize_t)sizeof(p->member.s) + 128 + sizeof(p->member.s) / 20) \
            printf("warning: VMCPU::%-8s: padding=%-5d s=%-5d -> %-4d  suggest=%-5u\n", \
                   #member, (int)sizeof(p->member.padding), (int)sizeof(p->member.s), \
                   (int)sizeof(p->member.padding) - (int)sizeof(p->member.s), \
                   (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
    } while (0)

#define CHECK_CPUMCTXCORE(member) \
    do { \
        unsigned off1 = RT_OFFSETOF(CPUMCTX, member) - RT_OFFSETOF(CPUMCTX, rax); \
        unsigned off2 = RT_OFFSETOF(CPUMCTXCORE, member); \
        if (off1 != off2) \
        { \
            printf("error! CPUMCTX/CORE:: %s! (%#x vs %#x (ctx))\n", #member, off1, off2); \
            rc++; \
        } \
    } while (0)

#define CHECK_PADDING_UVM(align, member) \
    do \
    { \
        CHECK_PADDING(UVM, member, align); \
        CHECK_MEMBER_ALIGNMENT(UVM, member, align); \
        UVM *p = NULL; NOREF(p); \
        if (sizeof(p->member.padding) >= (ssize_t)sizeof(p->member.s) + 128 + sizeof(p->member.s) / 20) \
            printf("warning: UVM::%-8s: padding=%-5d s=%-5d -> %-4d  suggest=%-5u\n", \
                   #member, (int)sizeof(p->member.padding), (int)sizeof(p->member.s), \
                   (int)sizeof(p->member.padding) - (int)sizeof(p->member.s), \
                   (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
    } while (0)

#define CHECK_PADDING_UVMCPU(align, member) \
    do \
    { \
        CHECK_PADDING(UVMCPU, member, align); \
        CHECK_MEMBER_ALIGNMENT(UVMCPU, member, align); \
        UVMCPU *p = NULL; NOREF(p); \
        if (sizeof(p->member.padding) >= (ssize_t)sizeof(p->member.s) + 128 + sizeof(p->member.s) / 20) \
            printf("warning: UVMCPU::%-8s: padding=%-5d s=%-5d -> %-4d  suggest=%-5u\n", \
                   #member, (int)sizeof(p->member.padding), (int)sizeof(p->member.s), \
                   (int)sizeof(p->member.padding) - (int)sizeof(p->member.s), \
                   (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
    } while (0)

#define CHECK_PADDING_GVM(align, member) \
    do \
    { \
        CHECK_PADDING(GVM, member, align); \
        CHECK_MEMBER_ALIGNMENT(GVM, member, align); \
        GVM *p = NULL; NOREF(p); \
        if (sizeof(p->member.padding) >= (ssize_t)sizeof(p->member.s) + 128 + sizeof(p->member.s) / 20) \
            printf("warning: GVM::%-8s: padding=%-5d s=%-5d -> %-4d  suggest=%-5u\n", \
                   #member, (int)sizeof(p->member.padding), (int)sizeof(p->member.s), \
                   (int)sizeof(p->member.padding) - (int)sizeof(p->member.s), \
                   (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
    } while (0)

#define CHECK_PADDING_GVMCPU(align, member) \
    do \
    { \
        CHECK_PADDING(GVMCPU, member, align); \
        CHECK_MEMBER_ALIGNMENT(GVMCPU, member, align); \
        GVMCPU *p = NULL; NOREF(p); \
        if (sizeof(p->member.padding) >= (ssize_t)sizeof(p->member.s) + 128 + sizeof(p->member.s) / 20) \
            printf("warning: GVMCPU::%-8s: padding=%-5d s=%-5d -> %-4d  suggest=%-5u\n", \
                   #member, (int)sizeof(p->member.padding), (int)sizeof(p->member.s), \
                   (int)sizeof(p->member.padding) - (int)sizeof(p->member.s), \
                   (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
    } while (0)

#define PRINT_OFFSET(strct, member) \
    do \
    { \
//.........这里部分代码省略.........

/**
 * The native callback.
 *
 * @returns NOTIFY_DONE.
 * @param   pNotifierBlock  Pointer to g_NotifierBlock.
 * @param   ulNativeEvent   The native event.
 * @param   pvCpu           The cpu id cast into a pointer value.
 *
 * @remarks This can fire with preemption enabled and on any CPU.
 */
static int rtMpNotificationLinuxCallback(struct notifier_block *pNotifierBlock, unsigned long ulNativeEvent, void *pvCpu)
{
    bool fProcessEvent = false;
    RTCPUID idCpu      = (uintptr_t)pvCpu;
    NOREF(pNotifierBlock);

    /*
     * Note that redhat/CentOS ported _some_ of the FROZEN macros
     * back to their 2.6.18-92.1.10.el5 kernel but actually don't
     * use them. Thus we have to test for both CPU_TASKS_FROZEN and
     * the individual event variants.
     */
    switch (ulNativeEvent)
    {
        /*
         * Pick up online events or failures to go offline.
         * Ignore failure events for CPUs we didn't see go offline.
         */
# ifdef CPU_DOWN_FAILED
        case CPU_DOWN_FAILED:
#  if defined(CPU_TASKS_FROZEN) && defined(CPU_DOWN_FAILED_FROZEN)
        case CPU_DOWN_FAILED_FROZEN:
#  endif
            if (!RTCpuSetIsMember(&g_MpPendingOfflineSet, idCpu))
                break;      /* fProcessEvents = false */
        /* fall thru */
# endif
        case CPU_ONLINE:
# if defined(CPU_TASKS_FROZEN) && defined(CPU_ONLINE_FROZEN)
        case CPU_ONLINE_FROZEN:
# endif
# ifdef CPU_DOWN_FAILED
            RTCpuSetDel(&g_MpPendingOfflineSet, idCpu);
# endif
            fProcessEvent = true;
            break;

        /*
         * Pick the earliest possible offline event.
         * The only important thing here is that we get the event and that
         * it's exactly one.
         */
# ifdef CPU_DOWN_PREPARE
        case CPU_DOWN_PREPARE:
#  if defined(CPU_TASKS_FROZEN) && defined(CPU_DOWN_PREPARE_FROZEN)
        case CPU_DOWN_PREPARE_FROZEN:
#  endif
            fProcessEvent = true;
# else
        case CPU_DEAD:
#  if defined(CPU_TASKS_FROZEN) && defined(CPU_DEAD_FROZEN)
        case CPU_DEAD_FROZEN:
#  endif
            /* Don't process CPU_DEAD notifications. */
# endif
# ifdef CPU_DOWN_FAILED
            RTCpuSetAdd(&g_MpPendingOfflineSet, idCpu);
# endif
            break;
    }

    if (!fProcessEvent)
        return NOTIFY_DONE;

    switch (ulNativeEvent)
    {
# ifdef CPU_DOWN_FAILED
        case CPU_DOWN_FAILED:
#  if defined(CPU_TASKS_FROZEN) && defined(CPU_DOWN_FAILED_FROZEN)
        case CPU_DOWN_FAILED_FROZEN:
#  endif
# endif
        case CPU_ONLINE:
# if defined(CPU_TASKS_FROZEN) && defined(CPU_ONLINE_FROZEN)
        case CPU_ONLINE_FROZEN:
# endif
            rtMpNotificationDoCallbacks(RTMPEVENT_ONLINE, idCpu);
            break;

# ifdef CPU_DOWN_PREPARE
        case CPU_DOWN_PREPARE:
#  if defined(CPU_TASKS_FROZEN) && defined(CPU_DOWN_PREPARE_FROZEN)
        case CPU_DOWN_PREPARE_FROZEN:
#  endif
            rtMpNotificationDoCallbacks(RTMPEVENT_OFFLINE, idCpu);
            break;
# endif
    }

    return NOTIFY_DONE;
//.........这里部分代码省略.........

int  VBOXCALL   supdrvOSLdrOpen(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const char *pszFilename)
{
    NOREF(pDevExt); NOREF(pImage); NOREF(pszFilename);
    return VERR_NOT_SUPPORTED;
}

void vboxNetFltPortOsNotifyMacAddress(PVBOXNETFLTINS pThis, void *pvIfData, PCRTMAC pMac)
{
    NOREF(pThis); NOREF(pvIfData); NOREF(pMac);
}

int  VBOXCALL   supdrvOSLdrValidatePointer(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, void *pv, const uint8_t *pbImageBits)
{
    NOREF(pDevExt); NOREF(pImage); NOREF(pv); NOREF(pbImageBits);
    return VERR_NOT_SUPPORTED;
}

int vboxNetFltPortOsDisconnectInterface(PVBOXNETFLTINS pThis, void *pvIfData)
{
    /* Nothing to do */
    NOREF(pThis); NOREF(pvIfData);
    return VINF_SUCCESS;
}