sparc: Add checkstack support

Add sparc support to checkstack.

Signed-off-by: Martin Habets <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Martin Habets

scripts/checkstack.pl

@@ -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' || $arch eq 'sparc64') {
+		# f0019d10:       9d e3 bf 90     save  %sp, -112, %sp
+		$re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
 	} else {
 		print("wrong or unknown architecture \"$arch\"\n");
 		exit