From: and...@lulea.trab.se (Anders Eriksson)
Subject: Why should I want ELF?
Date: 1995/06/26
Message-ID: <1995Jun26.121547.18488@lulea.trab.se>#1/1
X-Deja-AN: 105135957
organization: Telia Research AB
newsgroups: comp.os.linux.misc
Hi all,
Can someone please tell me why I should want elf on my system?
As I understand it, elf makes it easier to produce dynamic libs ->
some memory savings when I run lots of apps.
I also read somewhere that someday it would be a x86 common format.
What does that mean? Can I take any Solaris x86 binary and run it
under Linux? I don't think so...(Too good to be true)
Are there any other reasons for wanting elf?
/Anders
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From: sh...@meathook.intac.com (Bobby Shmit)
Subject: Re: Why should I want ELF?
Date: 1995/06/28
Message-ID: <3sqjk2$6uj@uucp.intac.com>#1/1
X-Deja-AN: 105136237
references: <1995Jun26.121547.18488@lulea.trab.se>
organization: INTAC Access Corporation - An Internet Service Provider
newsgroups: comp.os.linux.misc
In article <1995Jun26.121547.18...@lulea.trab.se>,
Anders Eriksson <and...@lulea.trab.se> wrote:
>I also read somewhere that someday it would be a x86 common format.
>What does that mean? Can I take any Solaris x86 binary and run it
>under Linux? I don't think so...(Too good to be true)
iBCS + Solaris Libs will let you run solaris bins under linux
--
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From: ma...@strange.iaf.nl (Marco van Os)
Subject: Re: Why should I want ELF?
Date: 1995/06/28
Message-ID: <DAvv6M.CG@strange.iaf.nl>#1/1
X-Deja-AN: 105429547
references: <1995Jun26.121547.18488@lulea.trab.se> <3sqjk2$6uj@uucp.intac.com>
organization: Stranger Internet System
newsgroups: comp.os.linux.misc
Bobby Shmit (sh...@meathook.intac.com) wrote:
: In article <1995Jun26.121547.18...@lulea.trab.se>,
: Anders Eriksson <and...@lulea.trab.se> wrote:
: >I also read somewhere that someday it would be a x86 common format.
: >What does that mean? Can I take any Solaris x86 binary and run it
: >under Linux? I don't think so...(Too good to be true)
: iBCS + Solaris Libs will let you run solaris bins under linux
But at what cost? Performance? It's hard to believe that this nice extension
won't cost anything. With my minimal system (486DX/2 with only 8 Mb) this is
very important.
--
Die Grenzen meiner Sprache bedeuten die Grenzen meiner Welt.
- L. Wittgenstein
From: Mike Jagdis <ja...@purplet.demon.co.uk>
Subject: Re: Why should I want ELF?
Date: 1995/07/01
Message-ID: <876.2FF71754@purplet.demon.co.uk>#1/1
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newsgroups: comp.os.linux.misc
* In message <DAvv6M...@strange.iaf.nl>, Marco van Os said:
MO> : iBCS + Solaris Libs will let you run solaris bins under
MO> linux
MO> But at what cost? Performance? It's hard to believe that
MO> this nice extension won't cost anything.
I don't know about Solaris but SCO binaries running under iBCS/Linux on a
486DX-33 show similar system call overhead to SCO on a 486DX-50 (Larry
Wall's lmbench suite). Given that an equivalent Linux system tends to have a
smaller kernel and more shared library use by the system daemons so has more
pages of memory free and that Linux uses a dynamically sized disk caching
strategy you typically see a *gain* in performance where applications are
doing other than running their own code.
Yeah, emulation has a cost - a native Linux binary has half the system
call overhead for instance. But the cost compared to the native OS is
negligible.
Mike