(Msg. 1) Posted: Wed Aug 13, 2008 3:38 pm
Post subject: 64 bit structure alignment? Archived from groups: microsoft>public>windowsxp>device_driver>dev (more info?)
I've just started working on a port of a driver from 32 bit to 64 bit XP and
I think I'm having trouble with alignment in my structures. For example, a
UNICODE_STRING is two shorts and 32 bit pointer. Using WinDbg, I can see
that a pointer to a UNICODE_STRING being supplied by the system to a call
back in my code is using two shorts, four padding bytes and then an 8 byte
pointer to a wide character buffer. My code is not reading this structure
correctly. What settings should I be using at compile time to get my code to
properly interpret structures?
--
Rick
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