# 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)
# $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 "") {
$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 ($arch =~ /^s390x?$/) {
}
sub bysize($) {
+ my ($asize, $bsize);
($asize = $a) =~ s/.* +(.*)$/$1/;
($bsize = $b) =~ s/.* +(.*)$/$1/;
$bsize <=> $asize
#
# main()
#
-$funcre = qr/^$x* \<(.*)\>:$/;
-while ($line = <STDIN>) {
+my $funcre = qr/^$x* <(.*)>:$/;
+my $func;
+while (my $line = <STDIN>) {
if ($line =~ m/$funcre/) {
$func = $1;
}
$size += 0x80000000;
}
- $line =~ m/^($xs*).*/;
+ next if $line !~ m/^($xs*)/;
my $addr = $1;
$addr =~ s/ /0/g;
$addr = "0x$addr";
$padlen -= 8;
}
next if ($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;