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IDebugComPlusSymbolProvider2::LoadSymbolsFromStreamWithCorModule

  • [アーティクル]

Applies to: yesVisual Studio noVisual Studio for Mac

Note

This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here

Load debug symbols from a data stream given the ICorDebugModule object.

Syntax

HRESULT LoadSymbolsFromStreamWithCorModule(
    ULONG32   ulAppDomainID,
    GUID      guidModule,
    ULONGLONG baseAddress,
    IUnknown* pUnkMetadataImport,
    IUnknown* pUnkCorDebugModule,
    IStream*  pStream
);

int LoadSymbolsFromStreamWithCorModule(
    uint    ulAppDomainID,
    Guid    guidModule,
    ulong   baseAddress,
    object  pUnkMetadataImport,
    object  pUnkCorDebugModule,
    IStream pStream
);

Parameters

ulAppDomainID
[in] Identifier of the application domain.

guidModule
[in] Unique identifier of the module.

baseAddress
[in] Base memory address.

pUnkMetadataImport
[in] Object that contains the symbol metadata.

pUnkCorDebugModule
[in] Object that implements the ICorDebugModule Interface.

pStream
[in] Data stream that contains the debug symbols to load.

Return Value

If successful, returns S_OK; otherwise, returns an error code.

Example

The following example shows how to implement this method for a CDebugSymbolProvider object that exposes the IDebugComPlusSymbolProvider2 interface.

HRESULT CDebugSymbolProvider::LoadSymbolsFromStreamWithCorModule(
    ULONG32 ulAppDomainID,
    GUID guidModule,
    ULONGLONG baseOffset,
    IUnknown* pUnkMetadataImport,
    IUnknown* pUnkCorDebugModule,
    IStream* pStream
)
{
    CAutoLock Lock(this);

    HRESULT hr = S_OK;
    CComPtr<IMetaDataImport> pMetadata;
    CComPtr<ICorDebugModule> pCorModule;

    CModule* pmodule = NULL;
    CModule* pmoduleNew = NULL;
    bool fAlreadyLoaded = false;
    Module_ID idModule(ulAppDomainID, guidModule);
    DWORD dwCurrentState = 0;

    ASSERT(IsValidObjectPtr(this, CDebugSymbolProvider));
    ASSERT(IsValidInterfacePtr(pUnkMetadataImport, IUnknown));

    METHOD_ENTRY( CDebugSymbolProvider::LoadSymbolsFromStream );

    IfFalseGo( pUnkMetadataImport, E_INVALIDARG );
    IfFalseGo( pUnkCorDebugModule, E_INVALIDARG );

    IfFailGo( pUnkMetadataImport->QueryInterface( IID_IMetaDataImport,
              (void**)&pMetadata) );

    IfFailGo( pUnkCorDebugModule->QueryInterface( IID_ICorDebugModule,
              (void**)&pCorModule) );

    ASSERT(guidModule != GUID_NULL);

    fAlreadyLoaded = GetModule( idModule, &pmodule ) == S_OK;

    IfNullGo( pmoduleNew = new CModule, E_OUTOFMEMORY );

    dwCurrentState = m_pSymProvGroup ? m_pSymProvGroup->GetCurrentState() : 0;

    IfFailGo( pmoduleNew->Create( idModule,
                                  dwCurrentState,
                                  pMetadata,
                                  pCorModule,
                                  pStream,
                                  baseOffset ) );

    if (fAlreadyLoaded)
    {
        IfFailGo(pmoduleNew->AddEquivalentModulesFrom(pmodule));
        RemoveModule(pmodule);
    }

    IfFailGo( AddModule( pmoduleNew ) );

Error:

    RELEASE (pmodule);
    RELEASE (pmoduleNew);

    METHOD_EXIT( CDebugSymbolProvider::LoadSymbolsFromStream, hr );

    return hr;
}

See also