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Re: [Qemu-devel] Regarding PTRACE implementation in QEMU user mode
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From: |
Jamie Lokier |
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Subject: |
Re: [Qemu-devel] Regarding PTRACE implementation in QEMU user mode |
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Date: |
Tue, 23 Sep 2008 16:02:37 +0100 |
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User-agent: |
Mutt/1.5.13 (2006-08-11) |
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