X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=scripts%2Fcheckstack.pl;h=7d33f0a42a37f423d77d313d43b6c9b36c7fbd42;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=df85c66caa0ad6f2f43cd8e29d91b118854bf6f6;hpb=e812ccbe0c915857ebea6a632bfadc631f7504a9;p=linux-2.6.git

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index df85c66ca..7d33f0a42 100644
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -10,9 +10,10 @@
 #	IA64 port via Andreas Dilger
 #	Arm port by Holger Schurig
 #	Random bits by Matt Mackall <mpm@selenic.com>
+#	M68k port by Geert Uytterhoeven and Andreas Schwab
 #
 #	Usage:
-#	objdump -d vmlinux | stackcheck_ppc.pl [arch]
+#	objdump -d vmlinux | stackcheck.pl [arch]
 #
 #	TODO :	Port to all architectures (one regex per arch)
 
@@ -23,6 +24,7 @@
 # $1 (first bracket) matches the size of the stack growth
 #
 # use anything else and feel the pain ;)
+my (@stack, $re, $x, $xs);
 {
 	my $arch = shift;
 	if ($arch eq "") {
@@ -31,25 +33,29 @@
 
 	$x	= "[0-9a-f]";	# hex character
 	$xs	= "[0-9a-f ]";	# hex character or space
-	if ($arch =~ /^arm$/) {
+	if ($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 =~ /^i[3456]86$/) {
 		#c0105234:       81 ec ac 05 00 00       sub    $0x5ac,%esp
 		$re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%esp$/o;
-	} elsif ($arch =~ /^ia64$/) {
+	} elsif ($arch eq 'ia64') {
 		#e0000000044011fc:       01 0f fc 8c     adds r12=-384,r12
 		$re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o;
-	} elsif ($arch =~ /^mips64$/) {
+	} elsif ($arch eq 'm68k') {
+		#    2b6c:       4e56 fb70       linkw %fp,#-1168
+		#  1df770:       defc ffe4       addaw #-28,%sp
+		$re = qr/.*(?:linkw %fp,|addaw )#-([0-9]{1,4})(?:,%sp)?$/o;
+	} elsif ($arch eq 'mips64') {
 		#8800402c:       67bdfff0        daddiu  sp,sp,-16
 		$re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
-	} elsif ($arch =~ /^mips$/) {
+	} elsif ($arch eq 'mips') {
 		#88003254:       27bdffe0        addiu   sp,sp,-32
 		$re = qr/.*addiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
-	} elsif ($arch =~ /^ppc$/) {
+	} elsif ($arch eq 'ppc') {
 		#c00029f4:       94 21 ff 30     stwu    r1,-208(r1)
 		$re = qr/.*stwu.*r1,-($x{1,8})\(r1\)/o;
-	} elsif ($arch =~ /^ppc64$/) {
+	} elsif ($arch eq 'ppc64') {
 		#XXX
 		$re = qr/.*stdu.*r1,-($x{1,8})\(r1\)/o;
 	} elsif ($arch =~ /^s390x?$/) {
@@ -62,6 +68,7 @@
 }
 
 sub bysize($) {
+	my ($asize, $bsize);
 	($asize = $a) =~ s/.*	+(.*)$/$1/;
 	($bsize = $b) =~ s/.*	+(.*)$/$1/;
 	$bsize <=> $asize
@@ -70,8 +77,9 @@ sub bysize($) {
 #
 # main()
 #
-$funcre = qr/^$x* \<(.*)\>:$/;
-while ($line = <STDIN>) {
+my $funcre = qr/^$x* <(.*)>:$/;
+my $func;
+while (my $line = <STDIN>) {
 	if ($line =~ m/$funcre/) {
 		$func = $1;
 	}
@@ -85,7 +93,7 @@ while ($line = <STDIN>) {
 			$size += 0x80000000;
 		}
 
-		$line =~ m/^($xs*).*/;
+		next if $line !~ m/^($xs*)/;
 		my $addr = $1;
 		$addr =~ s/ /0/g;
 		$addr = "0x$addr";
@@ -97,12 +105,8 @@ while ($line = <STDIN>) {
 			$padlen -= 8;
 		}
 		next if ($size < 100);
-		$stack[@stack] = "$intro$size\n";
+		push @stack, "$intro$size\n";
 	}
 }
 
-@sortedstack = sort bysize @stack;
-
-foreach $i (@sortedstack) {
-	print("$i");
-}
+print sort bysize @stack;