Commit 3f86886c authored Nov 18, 2011 by H. Peter Anvin

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>

parent 61f1e7e2

arch/x86/syscalls/syscallhdr.sh

+5 −1

Original line number	Diff line number	Diff line
		@@ -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 ""