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Re: [Patch] Convert PE relocatable modules to ELF with objcopy
- From: Christopher Faylor <cgf-use-the-mailinglist-please at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Sun, 21 Oct 2007 17:15:50 -0400
- Subject: Re: [Patch] Convert PE relocatable modules to ELF with objcopy
- References: <471BB6DC.9000306@t-online.de>
- Reply-to: cygwin at cygwin dot com
On Sun, Oct 21, 2007 at 10:30:20PM +0200, Christian Franke wrote:
> objcopy from binutils-20060817-1 cannot convert pe-i396 to elf32-i386. The
> offsets of the pc-relative relocation entries are not converted properly.
> (http://sourceware.org/bugzilla/show_bug.cgi?id=970)
>
> I recently started a Cygwin port of GRUB2 ([Maybe ITP later]-).
> (http://lists.gnu.org/archive/html/grub-devel/2007-10/msg00071.html)
>
> GRUB2 loadable modules use ELF format, therefore, some PE to ELF conversion
> is required to build on Cygwin.
>
> The first working Cygwin patch for GRUB2 includes a workaround to load the
> broken ELF modules produced by objcopy. It would be desirable to fix this
> in objcopy itself.
>
> A patch is attached.
>
> 2007-10-21 Christian Franke <franke@computer.org>
>
> * objcopy.c (fix_relocation): New function to
> fix pc-relative relocation offset, for PE to ELF only.
> (copy_section): Call fix_relocation for section data.
Please use the binutils mailing list for binutils patches.
cgf
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