[lldb-dev] Remote Kernel Debugging using LLDB

[hrishikesh chaudhari via lldb-dev]

Ya. I have followed the .html README file for OSX 10.9. It has given the
target path for lldb should be the mach_kernel in KDK.

Now my question is ... As i have put the hard debug point in my kernel
extension, which leads the kernel to go into panic mode and there it is
waiting for debugger to connect. Now i want to put the breakpoints in my
kernel extension. Here what should be the target for lldb command? if
target i put as mentioned in README file i could not put breakpoints in my
Kext and if i put my Kext as a target i could put the breakpoint but when i
do continue , lldb shows invalid process.

Help needed
Hrishikesh

On Thu, Jul 28, 2016 at 12:47 PM, Jason Molenda <jason at molenda.com> wrote:

> Hi, the KDK from Apple includes a README file (.txt or .html, I forget)
> which describes how to set up kernel debugging.  I'd start by looking at
> those notes.  There have also been WWDC sessions that talk about kernel
> debugging, e.g.
>
> https://developer.apple.com/videos/play/wwdc2013/707/
>
> (there are PDFs of the slides of the presentation - the lldb part comes at
> the end)
>
>
> > On Jul 27, 2016, at 10:31 PM, hrishikesh chaudhari via lldb-dev <
> lldb-dev at lists.llvm.org> wrote:
> >
> > Hi,
> > I have been trying to debug my kernel Extension. In order to enter a
> kernel into a panic mode, I have put hard debug point using (int $3). When
> the target system starts, the kernel waits into panic mode for debugger to
> attach.
> >
> > Now the problem is:
> >
> > What should I set target in lldb command? I have mach_kernel from KDK
> (kernel debug kit) and also have my own kernel extension. if I set
> mach_kernel a target I am not able put breakpoint in my kernel extension
> and if I make target as my kernel ext ..i can put breakpoint but then after
> hitting continue it says invalid process ..... So the question is how to
> proceed after connecting bebugger in panic mode??? – hrishikesh chaudhari
> Jul 22 at 12:52
> > Thanks
> > --
> > Hrishikesh Chaudahri
> >
> > _______________________________________________
> > lldb-dev mailing list
> > lldb-dev at lists.llvm.org
> > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
>
>


-- 

Hrishikesh Chaudahri
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