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

[Mihail Abakumov <mikhail.abakumov@ispras.ru>]

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