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[Bug gold/13019] "error: load segment overlap" when linking Linux kernel
From: |
luto at mit dot edu |
Subject: |
[Bug gold/13019] "error: load segment overlap" when linking Linux kernel |
Date: |
Sat, 23 Jul 2011 18:51:20 +0000 |
http://sourceware.org/bugzilla/show_bug.cgi?id=13019
--- Comment #4 from Andy Lutomirski <luto at mit dot edu> 2011-07-23 18:50:49
UTC ---
(In reply to comment #3)
> (In reply to comment #2)
> > What is the change to the linker script that causes this to happen?
>
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9fd67b4ed0714ab718f1f9bd14c344af336a6df7
>
> The segment overlap error is correct and I'll fix it in the linker script.
> The
> dot error looks like a bug.
>
> This construct in SECTIONS is the problem, I think:
>
> .vsyscall {
> *(.vsyscall_0)
>
> . = 1024;
> *(.vsyscall_1)
> }
>
> AFAICT the bfd linker thinks that assignments to . inside a section are
> section-relative but gold thinks they're absolute. The documentation
> reference
> is escaping me at the moment.
I filed bug 13023 for the dot problem. I'm not convinced that the segment
overlap is a real bug as opposed to gold just being a little stricter than the
bfd linker.
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