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From: dada1 <dada1@cosmosbay.com>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: linux-2.6.1 x86_64 : STACK_TOP and text/data
Date: Tue, 27 Jan 2004 19:57:23 +0100	[thread overview]
Message-ID: <4016B493.9050404@cosmosbay.com> (raw)
In-Reply-To: <p73k73dfdvs.fsf@nielsen.suse.de>

Andi Kleen wrote:

> STACK_TOP is only for 32bit a.out executables running on x86-64
>
>ELF 32bit and 64bit programs use different defaults.
>
>-Andi
>
>
>  
>
Hi Andi

I'm afraid not Andi

I changed include/asm-x86_64/a.out.h

#define STACK_TOP  0x10c0000000   /* instead of 0xc0000000 */

then, after reboot :

file /sbin/init
/sbin/init: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for 
GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped


cat /proc/1/maps

00400000-00408000 r-xp 00000000 03:01 556032                             
/sbin/init
00508000-00509000 rw-p 00008000 03:01 556032                             
/sbin/init
00509000-0052a000 rwxp 00000000 00:00 0
10bfffe000-10c0000000 rwxp fffffffffffff000 00:00 0
2a95556000-2a95569000 r-xp 00000000 03:01 637734                         
/lib64/ld-2.3.2.so
2a95569000-2a9556a000 rw-p 00000000 00:00 0
2a95669000-2a9566a000 rw-p 00013000 03:01 637734                         
/lib64/ld-2.3.2.so
2a9566a000-2a957a2000 r-xp 00000000 03:01 637741                         
/lib64/libc-2.3.2.so
2a957a2000-2a9586a000 ---p 00138000 03:01 637741                         
/lib64/libc-2.3.2.so
2a9586a000-2a958a7000 rw-p 00100000 03:01 637741                         
/lib64/libc-2.3.2.so
2a958a7000-2a958ac000 rw-p 00000000 00:00 0

See you


  reply	other threads:[~2004-01-27 18:57 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <OFCE30A640.024A04A1-ONC1256E28.003023EA-C1256E28.0030BF4E@de.ibm.com.suse.lists.linux.kernel>
     [not found] ` <40162E9A.1080005@cosmosbay.com.suse.lists.linux.kernel>
2004-01-27 18:24   ` linux-2.6.1 x86_64 : STACK_TOP and text/data Andi Kleen
2004-01-27 18:57     ` dada1 [this message]
2004-01-27 19:29       ` Andi Kleen
2004-01-27 19:45         ` dada1
2004-01-27 19:57           ` Andi Kleen
2004-01-27  8:52 Cset 1.1490.4.201 - dasd naming Martin Schwidefsky
2004-01-27  9:25 ` linux-2.6.1 x86_64 : STACK_TOP and text/data dada1

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