Date: Sun, 28 Feb 1999 09:41:16 -0800 (PST) From: John Polstra <jdp@polstra.com> To: zach@uffdaonline.net Cc: current@freebsd.org Subject: Re: Some (a.out) world breakage... Message-ID: <199902281741.JAA11998@vashon.polstra.com> In-Reply-To: <19990228103315.A37048@znh.org>
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In article <19990228103315.A37048@znh.org>,
Zach Heilig <zach@uffdaonline.net> wrote:
> Make world (with no -DNOAOUT or whatever that switch is), ends up like this:
>
> --------------------------------------------------------------
> >>> Building legacy libraries
> --------------------------------------------------------------
>
> ....
>
> (echo '#define LENGTH 20'; sed -e 's/mdX/sha/g' -e 's/MDX/SHA_/g' -e 's/SHA__/SHA_/g' /usr/src/lib/libmd/mdXhl.c) > sha0hl.c
> cc -O -pipe -I/usr/src/lib/libmd -DSHA1_ASM -DELF -DRMD160_ASM -DELF -I/usr/obj/aout/usr/src/tmp/usr/include -c sha0hl.c -o sha0hl.o
> cc -O -pipe -I/usr/src/lib/libmd -DSHA1_ASM -DELF -DRMD160_ASM -DELF -I/usr/obj/aout/usr/src/tmp/usr/include -c /usr/src/lib/libmd/sha1c.c -o sha1c.o
> (echo '#define LENGTH 20'; sed -e 's/mdX/sha/g' -e 's/MDX/SHA1_/g' -e 's/SHA1__/SHA1_/g' /usr/src/lib/libmd/mdXhl.c) > sha1hl.c
> cc -O -pipe -I/usr/src/lib/libmd -DSHA1_ASM -DELF -DRMD160_ASM -DELF -I/usr/obj/aout/usr/src/tmp/usr/include -c sha1hl.c -o sha1hl.o
> cc -I/usr/src/lib/libmd -DSHA1_ASM -DELF -DRMD160_ASM -DELF -I/usr/obj/aout/usr/src/tmp/usr/include -c /usr/src/lib/libmd/i386/sha.S -o sha.o
> sha1-586.s: Assembler messages:
> sha1-586.s:56: Error: Alignment too large: 15. assumed.
> *** Error code 1
>
> Stop.
>
> Quite obviously defining ELF for the entire legacy library build, but
> waiting to really break in 'libmd'.
>
> I did look in the "broken" file, and noted that ALIGN was defined as 16
> in the 'ELF' case, and 4 in the 'OUT' case. It looks impossible (to me)
> for 'OUT' to be defined while compiling that file
> (/usr/src/lib/libmd/i386/sha.S).
>
> I guess it's time to quit building a.out? :-)
This problem can be solved easily. Instead of ".align" the code
should use ".p2align 4", which behaves the same for a.out as it does
for ELF.
John
--
John Polstra jdp@polstra.com
John D. Polstra & Co., Inc. Seattle, Washington USA
"Nobody ever went broke underestimating the taste of the American public."
-- H. L. Mencken
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