Thanks. That's as I feared -- it's the only user.h I found in the Raspbian sources. The user_fpregs structure is completely inappropriate for ARM. Ideally we'd be able to #ifdef our way out of this but there doesn't seem to be a reliable #ifdef for Raspbian. I may resort to just placing some comments in the code so that the next person to attempt this will be less puzzled.
Bug 1526653 Comment 4 Edit History
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Thanks. That's as I feared -- it's the only user.h I found in the Raspbian sources also, I was hoping the device would have something better. The user_fpregs structure is completely inappropriate for ARM. Ideally we'd be able to #ifdef our way out of this but there doesn't seem to be a reliable #ifdef for Raspbian. I may resort to just placing some comments in the code so that the next person to attempt this will be less puzzled.