Re: [Qemu-devel] [PATCH v4 00/46] Windbg supporting

[Mihail Abakumov]

Paolo Bonzini писал 2018-01-12 11:27:
> On 11/12/2017 14:21, Mihail Abakumov wrote:
> > How it works:
> > The WinDbg debugger has the possibility of connecting to a remote 
> > debug service
> > (Kdsrv.exe) in the Windows kernel. Therefore, it is possible to 
> > connect to the
> > guest system running in the QEMU emulator. Kernel debugging is 
> > possible only
> > with the enabled debugging mode, may change at the same time. Our 
> > module of
> > WinDbg debugger for QEMU is an alternative of the remote debugging 
> > service in
> > the kernel. Thus, the debugger connects to the debugging module, not 
> > to the
> > kernel of the operating system. The module obtains all the necessary 
> > information
> > answering debugger requests from the QEMU emulator. At the same time 
> > for
> > debugging there is no need to enable debugging mode in the kernel. 
> > This leads to
> > hidden debugging. Our module supports all features of WinDbg regarding 
> > remote
> > debugging, besides interception of events and exceptions. Only i386 is 
> > supported
> > now.
>
> How hard would it be to support x86_64?  I'm not sure how useful this 
> is
> for 32-bit only.
>
> Paolo

I tried it a year ago. But I did it only partially because I could not 
even
run Windows 7 x64 on x86_64 due to some kind of error. Today I tried the 
last
version and it ran. So I think I can add support x86_64.

--
Thanks,
Mihail