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authorStephen Rothwell <sfr@canb.auug.org.au>2008-01-07 16:12:44 +1100
committerPaul Mackerras <paulus@samba.org>2008-01-17 14:57:38 +1100
commit0a4690cf751db6adb28b9275a6ecbaa6549a9ea8 (patch)
treeab0076ed230dde1e688ed92a09685e3a7bf0cc7e /arch/powerpc/kernel/systbl_chk.sh
parent4ec161cf73bc0b4e5c36843638ef9171896fc0b9 (diff)
downloadlinux-0a4690cf751db6adb28b9275a6ecbaa6549a9ea8.tar.bz2
[POWERPC] Check that the syscall table matches the syscall numbers
Also check that __NR_syscalls has been updated appropriately. Hopefully this will catch any out of order additions to the table in the future. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/systbl_chk.sh')
-rw-r--r--arch/powerpc/kernel/systbl_chk.sh33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/systbl_chk.sh b/arch/powerpc/kernel/systbl_chk.sh
new file mode 100644
index 000000000000..367d208301d2
--- /dev/null
+++ b/arch/powerpc/kernel/systbl_chk.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+#
+# Just process the CPP output from systbl_chk.c and complain
+# if anything is out of order.
+#
+# Copyright © 2008 IBM Corporation
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version
+# 2 of the License, or (at your option) any later version.
+
+awk 'BEGIN { num = -1; } # Ignore the beginning of the file
+ /^#/ { next; }
+ /^[ \t]*$/ { next; }
+ /^START_TABLE/ { num = 0; next; }
+ /^END_TABLE/ {
+ if (num != $2) {
+ printf "__NR_syscalls (%s) is not one more than the last syscall (%s)\n",
+ $2, num - 1;
+ exit(1);
+ }
+ num = -1; # Ignore the rest of the file
+ }
+ {
+ if (num == -1) next;
+ if (($1 != -1) && ($1 != num)) {
+ printf "Syscall %s out of order (expected %s)\n",
+ $1, num;
+ exit(1);
+ };
+ num++;
+ }' "$1"