Messages in this thread | | | From | Arnd Bergmann <> | Date | Tue, 18 Sep 2018 07:21:13 -0700 | Subject | Re: [PATCH] [RFC] making uapi/linux/elfcore.h useful again |
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On Mon, Sep 17, 2018 at 5:05 AM Joseph Myers <joseph@codesourcery.com> wrote: > > On Fri, 14 Sep 2018, Arnd Bergmann wrote: > > > +typedef unsigned long elf_greg_t; > > Does that need to be unsigned long long for x32? (At least glibc thinks > so; I've not tested what an x32 core dump actually looks like, but to be > useful it certainly ought to have 64-bit registers.)
Yes, I think that's right. 'unsigned long' was correct inside of the kernel, but copying it into a uapi header means we have to use '__kernel_ulong_t' so it gets interpreted right by x32 user space.
Arnd
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