From 7db436325db821b400328563ed693b09f8c4c46c Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Wed, 11 Dec 2013 23:34:40 +0000
Subject: [PATCH] kbuild: Fix debugging info generation for .S files

Change the debuging info generation flag in KBUILD_AFLAGS from '-gdwarf-2' to
'-Wa,--gdwarf-2'.  This will properly generate the debugging info for .S files
when CONFIG_DEBUG_INFO=y.

It seems current gcc does not pass a '--gdwarf-2' option on to the assembler
when '-gdwarf-2' is on its command line (note the differece in the gcc and as
flags).  This change provides the correct assembler flag to gcc, and so does
not rely on gcc to emit a flag for the assembler.

Signed-off-by: Geoff Levand <geoff@infradead.org> for Huawei, Linaro
Signed-off-by: Michal Marek <mmarek@suse.cz>
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