[PATCH] Add support for lldb remote test

[Chaoren Lin]

Please see comments below:


================
Comment at: buildbot/osuosl/master/config/builders.py:724
@@ -723,1 +723,3 @@
                     test_compilers=['clang', 'totclang', 'gcc4.8.2'],
+                    remote_ip="173.255.116.181",
+                    remote_dir="/lldb-buildbot/remotetest",
----------------
Does this have to be hardcoded? You should probably use a hostname instead if it must be hardcoded.

================
Comment at: zorg/buildbot/builders/LLDBBuilder.py:266
@@ +265,3 @@
+    f.addStep(ShellCommand(name="launch lldb-server",
+                           command="ssh %s screen -d -m %s/lldb-server platform --listen *:5432 --server" % (remote_ip, remote_dir),
+                           description="launch lldb-server on remote host",
----------------
> screen -d -m

Why not `ssh -f`?

> --listen *:5432

Is this remote machine accessible from anywhere besides the build machine? If you know the hostname of the build machine, you should probably use that instead of `*`. Also, must the port be hardcoded?

http://reviews.llvm.org/D8711

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