[PATCH] checkstack.pl: fix for aarch64

From: Qian Cai
Date: Fri Dec 07 2018 - 14:59:35 EST


There is actually a space after "sp," like this,

ffff2000080813c8: a9bb7bfd stp x29, x30, [sp, #-80]!

Signed-off-by: Qian Cai <cai@xxxxxx>
---
scripts/checkstack.pl | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 8081b6cf67d2..34414c6efad6 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -47,8 +47,8 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
$xs = "[0-9a-f ]"; # hex character or space
$funcre = qr/^$x* <(.*)>:$/;
if ($arch eq 'aarch64') {
- #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp,#-80]!
- $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o;
+ #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp, #-80]!
+ $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o;
} elsif ($arch eq 'arm') {
#c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64
$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
--
2.17.2 (Apple Git-113)