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Date: Thu, 26 Jan 2012 23:28:36 +0200
From: Eli Zaretskii <eliz AT gnu DOT org>
Subject: Re: Abort when compiling using COFF debug format (-gcoff)
In-reply-to: <201201262112.52030.juan.guerrero@gmx.de>
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To: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
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> From: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
> Date: Thu, 26 Jan 2012 21:12:51 +0100
> 
> I have tried to compile repository sources of libc using -gcoff flag and it
> aborted with the following error message:
> 
> c:/djgpp-2.04/bin/make.exe -C compat/signal
> gcc ... -c siglist.c
> c:/TMP/ccCt9a7s.s: Assembler messages:
> c:/TMP/ccCt9a7s.s:409: Error: invalid operands (.text and .text.startup sections) for `-'
> c:/TMP/ccCt9a7s.s:463: Error: invalid operands (.text and .text.startup sections) for `-'
> c:/TMP/ccCt9a7s.s:379: Error: can't resolve `.text' {.text section} - `LFB2' {.text.startup section}
> c:/TMP/ccCt9a7s.s:439: Error: can't resolve `.text' {.text section} - `LFB1' {.text.startup section}
> make.exe[3]: *** [siglist.o] Error 1
> make.exe[2]: *** [all_subs] Error 2
> make.exe[1]: *** [all] Error 2
> make.exe: *** [subs] Error 2
> 
> I am using gcc 4.6.2 and binutils 2.22.  All setting are standard except that
> I have added the -gcoff option to makefile.cfg.  If I add the -g option
> everything works OK.  I increased cc1.exe stack to 5MB because I was testing
> other issues that required a larger stack space.  There is no difference if
> I replace binutils 2.22 with binutils 2.21.1.

Sounds like the COFF debug info generation has bit-rotted in GCC.
Nothing new here, no other platform uses COFF AFAIK.