Add stack checking for Blackfin

Simply fill out the bits in checkstack.pl for Blackfin.  I thought I already
sent this, but I don't see it in -mm anywhere ...

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 663158627155..b458e2acb4ac 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -78,6 +78,9 @@ my (@stack, $re, $x, $xs);
                 #     pair for larger users. -- PFM.
                 #a00048e0:       d4fc40f0        addi.l  r15,-240,r15
                 $re = qr/.*addi\.l.*r15,-(([0-9]{2}|[3-9])[0-9]{2}),r15/o;
+        } elsif ($arch =~ /^blackfin$/) {
+                #   0:   00 e8 38 01     LINK 0x4e0;
+                $re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o;
         } else {
                 print("wrong or unknown architecture\n");
                 exit