Good, thanks a lot. I will give it a try tonight. Why I got double-email from the mailing list. I subscribe twice?
Thanksfrom Peter > Date: Wed, 28 Dec 2011 09:25:01 +0100 > From: s...@weilnetz.de > To: mcheun...@hotmail.com > CC: qemu-devel@nongnu.org > 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 > http://sourceware.org/gdb/onlinedocs/gdb/Remote-Protocol.html > 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 > targets. > > Regards, > Stefan Weil > >
