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Re: Objcopy fix for relocation sections
- From: Daniel Jacobowitz <drow at false dot org>
- To: Hans-Peter Nilsson <hp at bitrange dot com>
- Cc: binutils at sources dot redhat dot com
- Date: Thu, 9 Sep 2004 13:24:01 -0400
- Subject: Re: Objcopy fix for relocation sections
- References: <20031222210543.GA3418@nevyn.them.org> <20031223032137.GD1618@bubble.sa.bigpond.net.au> <20040727210426.GA11595@nevyn.them.org> <20040803225601.GA22637@nevyn.them.org> <20040805092703.GF12879@bubble.modra.org> <20040805131429.GA14075@nevyn.them.org> <20040907235700.GL22095@bubble.modra.org> <20040909163903.GA20330@nevyn.them.org> <Pine.BSF.4.58.0409091318480.51557@dair.pair.com>
On Thu, Sep 09, 2004 at 01:22:10PM -0400, Hans-Peter Nilsson wrote:
> On Thu, 9 Sep 2004, Daniel Jacobowitz wrote:
> > On Wed, Sep 08, 2004 at 09:27:00AM +0930, Alan Modra wrote:
> > > $ ../../binutils/objcopy vp.so xxx.so
> > > ../../binutils/objcopy: xxx.so: File truncated
> > >
> > > As the comment I added says, some reloc sections are not handled
> > > specially by bfd (see bfd_section_from_shdr). These should be
> > > treated as normal bfd sections.
> > >
> > > * elf.c (assign_file_positions_except_relocs): Assign relocs
> > > stored in a bfd section.
> >
> > Thanks! Your explanation makes sense, and this also works for my test
> > cases.
>
> With regards to testcases, it might not be obvious, but it looks
> like a job for run_dump_test with objcopy_linked_file in the ld
> testsuite (which I agree might not be the intuitive place but at
> least the framework is there).
As I said earlier, I've tried to write a testcase for this using FSF
binutils and failed. You're welcome to take a shot at it. All it
should require is a shared object which contains a non-loadable
relocation section.
--
Daniel Jacobowitz