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Subjectmake checkstack on m68k

I tried to add m68k support to `make checkstack', but got stuck due to my
limited knowledge of complex perl expressions. I actually need to catch both
expressions (incl. the one I commented out). Anyone who can help?

Anyway, here's a first run:
- Add half-assed m68 support.
- Make sure `make checkstack' uses the script in the source tree directory
(BTW, I saw a few more targets in my eye corner that may need this)
- Fix checkstack.pl naming

--- linux-2.6.7/Makefile 2004-06-16 13:06:15.000000000 +0200
+++ linux-m68k-2.6.7/Makefile 2004-06-16 18:27:13.000000000 +0200
@@ -1070,7 +1070,7 @@ endif #ifeq ($(mixed-targets),1)
.PHONY: checkstack
checkstack:
$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
- $(PERL) scripts/checkstack.pl $(ARCH)
+ $(PERL) $(src)/scripts/checkstack.pl $(ARCH)

# FIXME Should go into a make.lib or something
# ===========================================================================
--- linux-2.6.7/scripts/checkstack.pl 2004-06-09 14:51:23.000000000 +0200
+++ linux-m68k-2.6.7/scripts/checkstack.pl 2004-06-16 18:39:06.000000000 +0200
@@ -12,7 +12,7 @@
# Random bits by Matt Mackall <mpm@selenic.com>
#
# Usage:
-# objdump -d vmlinux | stackcheck_ppc.pl [arch]
+# objdump -d vmlinux | stackcheck.pl [arch]
#
# TODO : Port to all architectures (one regex per arch)

@@ -40,6 +40,11 @@
} elsif ($arch =~ /^ia64$/) {
#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 =~ /^m68k$/) {
+ #2b6c: 4e56 fb70 linkw %fp,#-1168
+ #$re = qr/.*linkw %fp,#-([0-9]{1,4})/o;
+ #1df770: defc ffe4 addaw #-28,%sp
+ $re = qr/.*addaw #-([0-9]{1,4}),%sp/o;
} elsif ($arch =~ /^mips64$/) {
#8800402c: 67bdfff0 daddiu sp,sp,-16
$re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
Gr{oetje,eeting}s,
Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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