x86: Machine-readable syscall tables and scripts to process them
Create a simple set of syscall tables and scripts to turn them into
both header files (unistd_*.h) and macros for generating the system
call tables.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
diff --git a/arch/x86/syscalls/syscallhdr.sh b/arch/x86/syscalls/syscallhdr.sh
new file mode 100644
index 0000000..0d473ff
--- /dev/null
+++ b/arch/x86/syscalls/syscallhdr.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+in="$1"
+out="$2"
+my_abis=`echo "$3" | tr ',' ' '`
+prefix="$4"
+offset="$5"
+
+fileguard=_ASM_X86_`basename "$out" | sed \
+ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+ -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
+
+in_list () {
+ local x
+ for x in $1; do
+ if [ x"$x" = x"$2" ]; then
+ return 0
+ fi
+ done
+ return 1
+}
+
+grep '^[0-9]' "$in" | sort -n | (
+ echo "#ifndef ${fileguard}"
+ echo "#define ${fileguard} 1"
+ echo ""
+
+ while read nr abi name entry ; do
+ if in_list "$my_abis" "$abi"; then
+ echo "#define __NR_${prefix}${name}" $((nr+offset))
+ fi
+ done
+
+ echo ""
+ echo "#endif /* ${fileguard} */"
+) > "$out"