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>

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 6631586..b458e2a 100755 (executable)
--- 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;
                #     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
        } else {
                print("wrong or unknown architecture\n");
                exit