scripts/checkstack.pl: add support for nios2

Adjust checkstack.pl for the nios2 architecture.

Link: http://lkml.kernel.org/r/20170116113052.15034-1-tklauser@distanz.ch
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Ley Foon Tan <lftan@altera.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 dd8397894d5c7792431a3d1933f0e560d685489c..694a075381b0dc781ad76062594bb21464da6bed 100755 (executable)
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -78,6 +78,9 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
        } elsif ($arch eq 'mips') {
                #88003254:       27bdffe0        addiu   sp,sp,-32
                $re = qr/.*addiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
+       } elsif ($arch eq 'nios2') {
+               #25a8:  defffb04        addi    sp,sp,-20
+               $re = qr/.*addi.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
        } elsif ($arch eq 'parisc' || $arch eq 'parisc64') {
                $re = qr/.*ldo ($x{1,8})\(sp\),sp/o;
        } elsif ($arch eq 'ppc') {