[lldb-dev] [PATCH] The kalimba Platform plugin

Matthew Gardiner mg11 at csr.com
Mon Jul 14 03:55:02 PDT 2014


Hi people,

As some of you are already aware I have been working towards a lldb port
which debugs CSRs Kalimba chips. I have recently added a PlatformKalimba
plugin. With some slight tweaking to the .note parsing section of the
ObjectFileELF and a few Makefiles, my lldb build now lists "kalimba" as
an available Platform and associates any kalimba binary Targets with 
this Platform.

Now I do not currently have submit access for lldb (though we are
planning on adding lldb buildbots and running the testsuites soon, so
perhaps this situation will change in the future), so I've built a patch
which comprises this work. The impact of the patch on the rest of lldb
is minimal, and since I am not running the testsuites yet, I have spent
some time testing my build against a linux binary, and can claim that
all the basic run, paused, step, backtrace, inspect variables commands
still work. Indeed the platform commands continue to work as expected
for the host linux platform.

So I'd appreciate if anyone could cast their eyes over this patch and
see if it looks ok to submit or if it is missing anything. I've based 
the PlatformKalimba on PlatformLinux and basically stripped out anything
which I don't think is immediately applicable. I've also removed any
copied comments, since for the most part they are historic, and in order
to try to keep the source reasonably self-documenting. I'll also add
that the platform is deliberately incomplete, and will be fleshed
subsequently. I hope I made no CMake mistakes, I have little experience 
with CMake, and so my CMakeLists.txt files are all based on copying from 
other CMakeLists.txts.

Anyway,
I look forward to your feedback.

thanks
Matthew Gardiner


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