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Date: Tue, 23 Sep 2008 16:02:37 +0100
From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [Qemu-devel] Regarding PTRACE implementation in QEMU user mode
Message-ID: <20080923150236.GA10595@shareable.org>
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Cc: sathish kumar <sathishs_45@yahoo.com>, rajesh-siso <rajesh.uvce@gmail.com>

Paul Brook wrote:
> On Tuesday 23 September 2008, Paul Brook wrote:
> > > Can someone explain why explain why ptrace system call is not implemented
> > > in QEMU? if someone is working on it, please share some ideas.
> >
> > Because it's extremely hard (read: nearly impossible) to implement
> > properly. 
> 
> I'll also note that the usual use of ptrace if for gdb/gdbserver. You should 
> use the builtin qemu gdb stub instead.

The other usual use is strace, which seems like it would be useful for
user mode emulation.

-- Jamie