Re: elf32 sparc rela incorrect section and addend

[Neil Mayes <neil dot mayes at googlemail dot com>]

Interesting, many thanks. At least it's doing what the comment says :)

Wonder why the section is changed though? It's a section symbol but
the section is not correct, I guess it has changed the section or it's
another issue.

Thanks,
Neil


2009/2/17 Alan Modra <amodra@bigpond.net.au>:
> On Tue, Feb 17, 2009 at 07:24:32PM +0000, Neil Mayes wrote:
>> I have a local global variable which is located in .data @ 0x020005AC
>> whereas the rela (R_SPARC_LO10) tells me its within the .text section.
>> Symbol value == 0x02000000 (.text vitual address) with an addend ==
>> 0x020005AC, which is actually the absolute address.
>
> See this comment in elfxx-sparce.c:
>
>                          /* We are turning this relocation into one
>                             against a section symbol.  It would be
>                             proper to subtract the symbol's value,
>                             osec->vma, from the emitted reloc addend,
>                             but ld.so expects buggy relocs.  */
>
> Since you are writing a new dynamic loader for rtems you have the
> opportunity to fix this for rtems.
>
> --
> Alan Modra
> Australia Development Lab, IBM
>