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From: Jun Sun <jsun@mvista.com>
To: Ralf Baechle <ralf@oss.sgi.com>, macro@ds2.pg.gda.pl
Cc: linux-mips@oss.sgi.com
Subject: Re: machine types for MIPS in ELF file
Date: Tue, 08 May 2001 14:20:06 -0700	[thread overview]
Message-ID: <3AF86306.343F53D0@mvista.com> (raw)
In-Reply-To: 20010508164846.A1471@bacchus.dhis.org

Ralf Baechle wrote:
> 
> On Tue, May 08, 2001 at 12:07:35PM -0700, Jun Sun wrote:
> 
> > The e_machine field in ELF file standard defines two values for MIPS:
> >
> > 8     - MIPS RS3000 BE
> > 10    - MIPS RS4000 BE
> >
> > Naturally the question is: what about LE binaries?  And what about other
> > CPUs?  Is there any effort to clean up this thing?
> >
> > All the tools that I know of are using 8, pretty much for all CPUs and both
> > endians.  No real harm has been observed, but it causes some anonying "invalid
> > byte order" complains if you do "file" on a MIPS LE binary.  Of course, it
> > will also invariably reports "R3000" cpu as well.
> 
> EM_MIPS_RS4_BE was apparently only in use for a short time; EM_MIPS is
> being used for both byte order.  The byteorder is nowadays identified by
> EI_DATA.
> 

That makes a lot of sense.

BTW, where is the latest ELF spec that says so?  Maciej, which spec are you
referring to?

Jun

  reply	other threads:[~2001-05-08 21:19 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-05-08 19:07 machine types for MIPS in ELF file Jun Sun
2001-05-08 19:34 ` Maciej W. Rozycki
2001-05-08 19:48 ` Ralf Baechle
2001-05-08 21:20   ` Jun Sun [this message]
2001-05-10  2:08     ` Ralf Baechle
2001-05-09 12:04 ` Steven J. Hill
2001-05-09 13:54   ` Maciej W. Rozycki

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