IBM S/370 and binutils

David and Jannette Uczen
Wed Oct 27 18:40:00 GMT 1999

I built binutils- with target=i370-elf, assembled an empty .s file
to get an ELF binary. When I used readelf, it said the machine type was
0xf00f (unkown).

The source I got is at , to
which I was directed by Linas Vepstas ( ) who is working
on a port of Linux to S/370.

Is this not official? Thanks.
-----Original Message-----
From: Ian Lance Taylor <>
To: <>
Cc: <>
Date: Wednesday, October 27, 1999 7:40 PM
Subject: Re: IBM S/370 and binutils

>   From: "David and Jannette Uczen" <>
>   Date: Wed, 27 Oct 1999 19:22:49 -0400
>   I am forwarding this message to inform the binutils developers that I
>   believe that any further use of the ELF machine type EM_I370 (0xF00F)
>   be discontinued.
>As far as I know, the GNU binutils do not use that value.  The
>official sources may be found at
>There may be patches out there which use it.  If I get those patches,
>I will bear your comments in mind.

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