[lldb-dev] debug server help

Carlo Kok ck at remobjects.com
Fri Sep 14 11:50:28 PDT 2012

Op 14-9-2012 20:35, Greg Clayton schreef:
> Carlo,
> You are trying to connect to a GDB server (which only debugs 1 app)
> with a client that is expecting a GDB remote _platform_. A platform
> can list, launch and attach to processes, upload/download files, it
> does NOT debug. There is a tool in the LLDB sources in
> lldb/tools/lldb-platform which implements a lldb-platform. It is not
> ready to be used yet, we have a platform branch where ongoing work is
> happening:
> svn co
> http://llvm.org/svn/llvm-project/lldb/branches/lldb-platform-work
> lldb-platform
> So we have done a lot of work to start getting the platforms to work
> as expected.
> If you just want to debug, you want to use "process connect" to
> connect to a process that you want to debug, not a platform. See the
> CommandObjectProcessConnect::DoExecute() function to see how this is
> done. Basically if you connect to a remote debugserver and it already
> has a process it will be good to go. When you use "process connect",
> it is expected that everything you need to debug is already on the
> remote host.
> So to sum up "platform connect" (see CommandObjectPlatformConnect) is
> what you tried to do.
> Here are some ways you can step through the existing LLDB driver code
> to see things working:
> mac% %
> /Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/debugserver
> localhost:3333 -- /bin/ls -lAF /tmp/ debugserver-194 for x86_64.
> Listening to port 12345...
> Now on your windows machine:
> lldb.exe (lldb) platform select remote-macosx (lldb) target create
> --arch x86_64-apple-macosx a.out (lldb) process connect
> connect://
> Does this make sense?

It does now, thanks... Is there something that should how to proceed 
from there? (from code or from lldb cmdline)? (ie what's the next step 
in debugging , get the process, do the first step, work with symbols?, 
not asking for all of them, just a starting point)

Carlo Kok

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