[Bug tapsets/13501] Some arguments for 'stap -L "*, *.*, *.*.*" ' probe points not found

["dsmith at redhat dot com" <sourceware-bugzilla@sourceware.org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=13501

--- Comment #6 from David Smith <dsmith at redhat dot com> 2011-12-15 19:14:10 UTC ---
(In reply to comment #5)
> The next set of errors can be seen by the following:
> 
> ====
> # stap -L 'sunrpc.clnt.create_client'
> semantic error: unresolved type : identifier 'args' at
> /usr/local/share/systemtap/tapset/rpc.stp:175:3
>         source:         args = __rpc_create_args[tid()]
> ====
> 
> When we can't find the 'args' parameter of    
> kernel.function("rpc_new_client").inline, we used a cached copy that is in the
> __rpc_create_args global.  This error means we can't figure out what type
> __rpc_create_args is.
> 
> I'm unsure of how to fix this one.

Josh Stone helped develop a workaround for this one by initializing the 'args'
local variable even in the branch that doesn't use 'args'. See commit d7699f7.

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