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authorH. Peter Anvin <hpa@linux.intel.com>2011-11-19 05:01:19 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2011-11-19 05:01:19 +0400
commit3f86886c72fb68088162c7e08cc7f85282f1860c (patch)
tree95d77511e20f007f445581aa9efe05d2adc019e3 /arch/x86/syscalls
parent61f1e7e20874e8f11dab69b6a4bf7616badd4fe8 (diff)
downloadlinux-3f86886c72fb68088162c7e08cc7f85282f1860c.tar.xz
x86, syscall: Allow syscall offset to be symbolic
Allow the specified syscall offset to be symbolic, e.g. a macro. For offset system calls, this if nothing else makes the generated code easier to read. Suggested-by: H. J. Lu <hjl.tools@gmail.com> Link: http://lkml.kernel.org/r/1321569446-20433-7-git-send-email-hpa@linux.intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/syscalls')
-rw-r--r--arch/x86/syscalls/syscallhdr.sh6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/syscalls/syscallhdr.sh b/arch/x86/syscalls/syscallhdr.sh
index b3c593072785..31fd5f1f38f7 100644
--- a/arch/x86/syscalls/syscallhdr.sh
+++ b/arch/x86/syscalls/syscallhdr.sh
@@ -15,7 +15,11 @@ grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
echo ""
while read nr abi name entry ; do
- echo "#define __NR_${prefix}${name}" $((nr+offset))
+ if [ -z "$offset" ]; then
+ echo "#define __NR_${prefix}${name} $nr"
+ else
+ echo "#define __NR_${prefix}${name} ($offset + $nr)"
+ fi
done
echo ""