lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Pine.LNX.4.61.0608090823570.11585@yvahk01.tjqt.qr>
Date:	Wed, 9 Aug 2006 08:26:37 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Andi Kleen <ak@...e.de>
cc:	Keith Owens <kaos@....com.au>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc4 warning on arch/x86_64/boot/compressed/head.o

>> Compiling 2.6.18-rc4 on x86_64 gets this warning.
>> 
>>   gcc -Wp,-MD,arch/x86_64/boot/compressed/.head.o.d  -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/4.1.0/include -D__KERNEL__ -Iinclude -Iinclude2 -I$KBUILD_OUTPUT/linux/include -include include/linux/autoconf.h -D__ASSEMBLY__ -m64 -traditional -m32  -c -o arch/x86_64/boot/compressed/head.o $KBUILD_OUTPUT/linux/arch/x86_64/boot/compressed/head.S
>>   ld -m elf_i386  -Ttext 0x100000 -e startup_32 -m elf_i386 arch/x86_64/boot/compressed/head.o arch/x86_64/boot/compressed/misc.o arch/x86_64/boot/compressed/piggy.o -o arch/x86_64/boot/compressed/vmlinux 
>> ld: warning: i386:x86-64 architecture of input file `arch/x86_64/boot/compressed/head.o' is incompatible with i386 output
>
>It always gave that since some binutils update long ago.
>If you know how to fix it please submit a patch, but as far as I know it's harmless.

Why is -m elf_i386 passed to ld?
I suppose because this is necessary because AMD64 starts in i386 16-bit 
real mode?
Might try -m elf32-little or -m elf64-little.


Jan Engelhardt
-- 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ