From: LaMont Jones <lamont@security.hp.com>
To: Matthew Wilcox <Matthew.Wilcox@genedata.com>
Cc: LaMont Jones <lamont@security.hp.com>, parisc-linux@thepuffingroup.com
Subject: Re: [parisc-linux] HPUX syscall ABI?
Date: Mon, 02 Aug 1999 02:36:58 -0600 [thread overview]
Message-ID: <19990802083658.D666618708@security.hp.com> (raw)
In-Reply-To: Your message of "Mon, 02 Aug 1999 08:26:12 +0200." <19990802082612.X25925@mencheca.ch.genedata.com>
> Yep, that's exactly what I need. Urgh, so I have to grab the arguments
> off the user-mode stack before switching to the kernel-mode stack..
>
> What's the greatest number of parameters to an HPUX syscall?
> Linux's mmap() has six parameters (and you should see the kludges some
> architectures go through to support that. We're cleaner).
The routine _syscall(), which calls an aribitrary system call for you,
takes 9 arguments: the system call number followed by 8 args. While
that's not a complete guarantee, you'ld be in good company if you supported
up to 8 args...
lamont
next prev parent reply other threads:[~1999-08-02 8:36 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
1999-08-02 6:26 ` Matthew Wilcox
1999-08-02 8:36 ` LaMont Jones [this message]
1999-08-02 16:50 ` Jerry Huck
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