ARC: warn on improper stack unwind FDE entries

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index a8d02223da44..e550b117ec4f 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -289,6 +289,8 @@ static void __init setup_unwind_table(struct unwind_table *table,
                          * instead of the initial loc addr
                          * return;
                          */
+                        WARN(1, "unwinder: FDE->initial_location NULL %p\n",
+                                (const u8 *)(fde + 1) + *fde);
                 }
                 ++n;
         }