[PATCH v4 18/24] scripts/checkstack.pl: Add openrisc support

From: Stafford Horne
Date: Thu Feb 23 2017 - 23:36:47 EST


Openrisc stack pointer is managed by decrementing r1. Add regexes to
recognize this.

Signed-off-by: Stafford Horne <shorne@xxxxxxxxx>
---
scripts/checkstack.pl | 3 +++
1 file changed, 3 insertions(+)

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index dd83978..eea5b78 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -106,6 +106,9 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
} elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
# f0019d10: 9d e3 bf 90 save %sp, -112, %sp
$re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
+ } elsif ($arch eq 'openrisc') {
+ # c000043c: 9c 21 fe f0 l.addi r1,r1,-272
+ $re = qr/.*l\.addi.*r1,r1,-(([0-9]{2}|[3-9])[0-9]{2})/o;
} else {
print("wrong or unknown architecture \"$arch\"\n");
exit
--
2.9.3