sparc: Add checkstack support

Add sparc support to checkstack.

Index: linux/scripts/checkstack.pl
=================================--- linux.orig/scripts/checkstack.pl 2008-10-21 05:48:49.000000000 +0100
+++ linux/scripts/checkstack.pl 2008-10-21 06:10:35.000000000 +0100
@@ -14,6 +14,7 @@
# M68k port by Geert Uytterhoeven and Andreas Schwab
# AVR32 port by Haavard Skinnemoen <[email protected]>
# PARISC port by Kyle McMartin <[email protected]>
+# sparc port by Martin Habets <[email protected]>
#
# Usage:
# objdump -d vmlinux | scripts/checkstack.pl [arch]
@@ -94,6 +95,9 @@
} elsif ($arch =~ /^blackfin$/) {
# 0: 00 e8 38 01 LINK 0x4e0;
$re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o;
+ } elsif ($arch eq 'sparc') {
+ # f0019d10: 9d e3 bf 90 save %sp, -112, %sp
+ $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
} else {
print("wrong or unknown architecture \"$arch\"\n"); exit

From: Martin Habets <[email protected]>
Date: Tue, 21 Oct 2008 06:23:09 +0100

This regex works for sparc64 too, so I added that to the arch string match while applying this.

Thanks!