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    [W:0.020 / U:0.668 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site