On Monday 19 September 2011 19:36:27 Arnd Bergmann wrote: > > > > Hmm, so then since you can build the kernel w/ OABI compatibility, it > > seems like structs should always have padding fields to force them to > > be a multiple of 32bits... > > It depends on whether you want those structures to be compatible with > any other structure. To give a different example, qemu-user supports > converting ioctl data structures to the host data structure for > any commands it knows. When you want to run an arm-oabi binary for > instance on an x86-32 host, you need to conver the data structures > that have this layout, but not when running the same program built > for arm-eabi. > > In either case however, you will have to convert the data structures > that contain pointers running qemu-user on x86-64.
Sorry, I misunderstood your question. Yes, as Nicolas explained, the oabi-compat code in an arm-eabi kernel is broken indeed but works most of the time in practice. Arnd _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev