What's the exact meaning of the weired linker option : /DRIVER:WDM

Discussion in 'Windows Vista Drivers' started by xmllmx, Apr 10, 2012.

  1. xmllmx

    xmllmx Guest

    I don't know if you have noticed the weired linker option : /
    DRIVER:UPONLY and /DRIVER:WDM. To me, the /DRIVER:UPONLY is easy to
    understand; however, /DRIVER:WDM is hard to understand its
    necessaries. Because from the image loader's perspective, there is no
    difference between a WDM driver and a Non-WDM one.

    MSDN vaguely says as follows:

    The WDM keyword causes the linker to set the
    IMAGE_DLLCHARACTERISTICS_WDM_DRIVER bit in the optional header's
    DllCharacteristics field. WDM video capture was designed to resolve
    the problems inherent in the Video for Windows architecture.

    I cannot understand the statement. Any explanations?

    Thanks in advance!
    xmllmx, Apr 10, 2012
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