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Re: [RFA] ARM OABI - pc-relative relocations
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: Jerome Guitton <guitton at act-europe dot fr>
- Cc: binutils at sources dot redhat dot com
- Date: Sat, 13 Dec 2003 15:02:05 +1030
- Subject: Re: [RFA] ARM OABI - pc-relative relocations
- References: <20031212204936.GA16858@act-europe.fr>
On Fri, Dec 12, 2003 at 09:49:36PM +0100, Jerome Guitton wrote:
> c: ebfffffb bl 0 <r>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Here is the problem. Even though arm-oabi uses RELA, an implicit addend
> has been generated (-0xc). The relocation entry is:
This shouldn't really matter. When applying a reloc, RELA targets are
supposed to ignore the section contents in the field that the reloc
replaces.
Ah! On looking at elfarm_oabi.c, I see that src_mask is non-zero on a
number of reloc howtos. That's the real bug that needs fixing. See the
description of src_mask in bfd/reloc.c.
--
Alan Modra
IBM OzLabs - Linux Technology Centre