From: LaMont Jones <lamont@security.hp.com>
To: Matthew Wilcox <Matthew.Wilcox@genedata.com>
Cc: parisc-linux@thepuffingroup.com, lamont@security.hp.com
Subject: Re: [parisc-linux] HPUX syscall ABI?
Date: Mon, 02 Aug 1999 00:08:24 -0600 [thread overview]
Message-ID: <19990802060824.878A318708@security.hp.com> (raw)
In-Reply-To: Your message of "Sun, 01 Aug 1999 21:50:01 +0200." <19990801215001.W25925@mencheca.ch.genedata.com>
> I've just redefined the Linux syscall ABI again so we can
> handle sys_mmap (which takes 6 arguments) cleanly. I'm now
> wondering what the HPUX syscall standard is. I've searched
> http://docs.hp.com:80/dynaweb/hpux11/dtdcen1a/b821/@Generic__BookView
> (as mentioned earlier on this mailing list) without success.
IIRC, r22 has the syscall number, r31 (and sr0) gets trashed branching
to 0.0xc0000004 (they probably get used as part of the return - I'm too
lazy to go look right now, but I'm pretty sure that r31 gets copied into
r2). Other than that, it's a standard PA1.1 function call: arg0-3 in
r26-21, and arg4-n at sp-52, -56, ...
Was that what you were looking for?
lamont
next prev parent reply other threads:[~1999-08-02 6:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-08-01 19:50 [parisc-linux] HPUX syscall ABI? Matthew Wilcox
1999-08-02 3:32 ` Philipp Rumpf
1999-08-02 4:12 ` Jeffrey A Law
1999-08-02 4:21 ` Philipp Rumpf
1999-08-02 4:27 ` Jeffrey A Law
1999-08-02 6:08 ` LaMont Jones [this message]
1999-08-02 6:26 ` Matthew Wilcox
1999-08-02 8:36 ` LaMont Jones
1999-08-02 16:50 ` Jerry Huck
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