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From:	"Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
Date:	Fri, 22 Jul 2016 23:37:30 +0300
Message-ID:	<CAA2C=vB8yLJXfFjCrz53WsO6rr4YsN_ceysWoB7gzXHiR4bShg@mail.gmail.com>
Subject:	Re: LD from binutils 2.26 crashes when -ffunction-sections +
	-Wl,--gc-sections is used but only under DOS
To:	djgpp AT delorie DOT com
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On 7/22/16, Ozkan Sezer <sezeroz AT gmail DOT com> wrote:
> On 7/22/16, RayeR (glaux AT centrum DOT cz) [via djgpp AT delorie DOT com]
> <djgpp AT delorie DOT com> wrote:
>>> It segs in fini_reloc_cookie_rels() because (sec)->used_by_bfd is NULL
>>
>> So you mean that it is rather binutils (djgpp coff) generator code
>> problem
>> than djdev?
>>
>
> Yes.  (And why would djdev fail on a dos os?? That would defeat its very
> own purpose.)
>
> The following alternative patch works too, but like before it might be
> the wrong way of fixing this.
>
> diff -urNp binutils-2.26/bfd/coffgen.c.orig binutils-2.26/bfd/coffgen.c
> --- binutils-2.26/bfd/coffgen.c.orig	2015-11-13 10:27:40.000000000 +0200
> +++ binutils-2.26/bfd/coffgen.c	2016-07-22 11:41:02.000000000 +0300
> @@ -2688,7 +2688,7 @@ static void
>  fini_reloc_cookie_rels (struct coff_reloc_cookie *cookie,
>  			asection *sec)
>  {
> -  if (cookie->rels && coff_section_data (NULL, sec)->relocs != cookie->rels)
> +  if (cookie->rels && (!coff_section_data (NULL, sec) || coff_section_data (NULL, sec)->relocs != cookie->rels))
>      free (cookie->rels);
>  }
>
>

I created this bugzilla entry for this issue:
https://sourceware.org/bugzilla/show_bug.cgi?id=20401
Hopefully someone looks into it.

--
O.S.

- Raw text -