|Subject:||Re: [Qemu-devel] add debugger command|
|Date:||Wed, 28 Dec 2011 08:28:53 +0000|
Good, thanks a lot. I will give it a try tonight. Why I got double-email from the mailing list. I subscribe twice?
> Date: Wed, 28 Dec 2011 09:25:01 +0100
> From: address@hidden
> To: address@hidden
> CC: address@hidden
> Subject: Re: [Qemu-devel] add debugger command
> Am 28.12.2011 07:35, schrieb Peter Cheung:
> > Dear All
> > Please take a look http://peter-bochs.googlecode.com , I am an
> > operating system developer, bochs has a great build in command-line
> > debugger, but it is not good enough for normal use, so I created
> > peter-bochs for it. But bochs has a deadly weak point, it runs very
> > slow. So I want to add debugger feature for qemu. To let peter-bochs
> > works with qemu, need to add these to qemu
> > 1) able to let peter-bochs pause qemu during running. In bochs,
> > peter-bochs just sending a "ctrl-c" command to bochs, then it pause.
> > 2) magic breakpoint, in bochs, when bochs execute a intstruction xchg
> > bx,bx, it will pause
> > 3) able to send debug command to qemu, through pipeline/socket/whatever.
> > Is QEMU a tai wan project? I am living in hong kong.
> > Thanks
> > from Peter
> Hello Peter,
> QEMU is not a national project. The QEMU contributors and users
> are living all over the world. See http://www.ohloh.net/p/qemu/map.
> QEMU has no built-in debugger, but it supports the GDB remote protocol
> which allows remote debugging via TCP socket, for example. See
> http://sourceware.org/gdb/onlinedocs/gdb/Remote-Debugging.html and
> for more information on this protocol and
> http://qemu.weilnetz.de/qemu-doc.html#gdb_005fusage for instructions
> how to use this remote debugging feature with QEMU.
> So it should be possible to attach you Java application to QEMU
> without any changes of the QEMU source code. All you have to do
> is extend your application to support the GDB remote protocol.
> There are other graphical debugging front ends (for example DDD
> or Insight) which work like this.
> Please note that QEMU is not limited to 80x86 emulation. Any
> debugging interface must be able to support all QEMU emulation
> Stefan Weil
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