From: Matt Fleming <matt@console-pimps.org>
Date: Thu, 20 Aug 2009 18:53:49 +0000 (+0100)
Subject: sh: Handle the DWARF op, DW_CFA_undefined
X-Git-Tag: v2.6.32-rc1~640^2~35^2~19^2~2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5580e9044df9c0e87861739d8c527006ead92e52;p=pandora-kernel.git

sh: Handle the DWARF op, DW_CFA_undefined

Allow a DWARF register to have an undefined value. When applied to the
DWARF return address register this lets lets us label a function as
having no direct caller, e.g. kernel_thread_helper().

Signed-off-by: Matt Fleming <matt@console-pimps.org>
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