lkml.org 
[lkml]   [2007]   [Aug]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: scripts/mod/file2alias.c cross compile problem
On Thu, Aug 02, 2007 at 09:15:09PM +0200, Adrian Bunk wrote:
> On Thu, Aug 02, 2007 at 08:09:03PM +0200, Sam Ravnborg wrote:
> >
> > I second this. For anything visible in userspace from
> > include/* we require usage of the kernel specific
> > __u8, __u16, __u32, __u64 typedefs but for device_id we accept
> > kernel_ulong_t which result in the following crap in
> > file2alias.c:
> >
> > /* We use the ELF typedefs for kernel_ulong_t but bite the bullet and
> > * use either stdint.h or inttypes.h for the rest. */
> > #if KERNEL_ELFCLASS == ELFCLASS32
> > typedef Elf32_Addr kernel_ulong_t;
> > #define BITS_PER_LONG 32
> > #else
> > typedef Elf64_Addr kernel_ulong_t;
> > #define BITS_PER_LONG 64
> > #endif
> >
> > And we ought to have __u64 available.
> > See for example types.h from asm-i386:
> > #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
> > typedef __signed__ long long __s64;
> > typedef unsigned long long __u64;
> > #endif
>
>
> You are talking about something different than the current problem.
>
> The current problem is that when crosscompiling we get a different
> _padding_ due to file2alias.c being compiled with HOSTCC.

I am well aware of that.
My point was that we are dealing with userspace - in this case depmod.
So I wondered why we had special (as in less strict) rules here.

Sam
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-08-02 21:27    [from the cache]
©2003-2011 Jasper Spaans