scripts/checkstack.pl: Add metag support

Adapt checkstack.pl so that it works for metag.

Signed-off-by: James Hogan <james.hogan@imgtec.com>

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 17e3843..544aa56 100755 (executable)
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -34,7 +34,7 @@ use strict;
 # $1 (first bracket) matches the dynamic amount of the stack growth
 #
 # use anything else and feel the pain ;)
-my (@stack, $re, $dre, $x, $xs);
+my (@stack, $re, $dre, $x, $xs, $funcre);
 {
        my $arch = shift;
        if ($arch eq "") {
@@ -44,6 +44,7 @@ my (@stack, $re, $dre, $x, $xs);
 
        $x      = "[0-9a-f]";   # hex character
        $xs     = "[0-9a-f ]";  # hex character or space
+       $funcre = qr/^$x* <(.*)>:$/;
        if ($arch eq 'arm') {
                #c0008ffc:      e24dd064        sub     sp, sp, #100    ; 0x64
                $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
@@ -66,6 +67,10 @@ my (@stack, $re, $dre, $x, $xs);
                #    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 'metag') {
+               #400026fc:       40 00 00 82     ADD       A0StP,A0StP,#0x8
+               $re = qr/.*ADD.*A0StP,A0StP,\#(0x$x{1,8})/o;
+               $funcre = qr/^$x* <[^\$](.*)>:$/;
        } elsif ($arch eq 'mips64') {
                #8800402c:       67bdfff0        daddiu  sp,sp,-16
                $re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
@@ -109,7 +114,6 @@ my (@stack, $re, $dre, $x, $xs);
 #
 # main()
 #
-my $funcre = qr/^$x* <(.*)>:$/;
 my ($func, $file, $lastslash);
 
 while (my $line = <STDIN>) {