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Date: Fri, 20 Jun 2014 11:41:37 -0400
From: Kyle McMartin <kyle@...hat.com>
To: trivial@...nel.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH trivial] checkstack.pl: port to AArch64
AArch64 stores the frame pointer and return pointer, and decrements the
stack. Also remove my (no longer valid) email address.
Signed-off-by: Kyle McMartin <kyle@...hat.com>
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -13,7 +13,7 @@
# Random bits by Matt Mackall <mpm@...enic.com>
# M68k port by Geert Uytterhoeven and Andreas Schwab
# AVR32 port by Haavard Skinnemoen (Atmel)
-# PARISC port by Kyle McMartin <kyle@...isc-linux.org>
+# AArch64, PARISC ports by Kyle McMartin
# sparc port by Martin Habets <errandir_news@....eclipse.co.uk>
#
# Usage:
@@ -45,7 +45,10 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
$x = "[0-9a-f]"; # hex character
$xs = "[0-9a-f ]"; # hex character or space
$funcre = qr/^$x* <(.*)>:$/;
- if ($arch eq 'arm') {
+ if ($arch eq 'aarch64') {
+ #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
$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
} elsif ($arch eq 'avr32') {
--
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