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>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/x86/syscalls/syscalltbl.sh b/arch/x86/syscalls/syscalltbl.sh
new file mode 100644
index 000000000000..0e7f8ec071e7
--- /dev/null
+++ b/arch/x86/syscalls/syscalltbl.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+in="$1"
+out="$2"
+
+grep '^[0-9]' "$in" | sort -n | (
+    while read nr abi name entry compat; do
+        abi=`echo "$abi" | tr '[a-z]' '[A-Z]'`
+        if [ -n "$compat" ]; then
+            echo "__SYSCALL_${abi}($nr, $entry, $compat)"
+        elif [ -n "$entry" ]; then
+            echo "__SYSCALL_${abi}($nr, $entry, $entry)"
+        fi
+    done
+) > "$out"