[lkml]   [2007]   [Oct]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [patch 1/3] Add BSS to resource tree
    On Thu, Oct 18, 2007 at 11:58:27PM +0200, Sam Ravnborg wrote:
    > On Thu, Oct 18, 2007 at 11:48:37PM +0200, Andi Kleen wrote:
    > > > > +extern char _text[], _end[], _etext[], _edata[], _bss[];
    > > >
    > > > These should be in a header file.
    > >
    > > Normally the "no externs in .c" rule doesn't apply to assembler or linker
    > > script defined labels. That's because the point of the header file is to
    > > type check them, but there is nothing to type check here.
    > For linker generated symbols we have sections.h for this purpose.
    > The above symbols are all available if we do an:
    > #include <asm/sections.h>
    > This is the right fix in this case.

    The problem is that they're often the wrong type here. E.g. wrong signedness
    etc. I ran into problems in the past where using this required ugly casts.

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2007-10-19 00:03    [W:0.018 / U:25.104 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site