1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/filter-nr-syscalls.awk b/sysdeps/unix/sysv/linux/filter-nr-syscalls.awk
new file mode 100644
index 0000000000..270693d8ab
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/filter-nr-syscalls.awk
@@ -0,0 +1,35 @@
+# Filter preprocessor __NR_* macros and extract system call names.
+# Copyright (C) 2017-2018 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+#
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <http://www.gnu.org/licenses/>.
+
+# Skip reserved system calls.
+/^#define __NR_(unused|reserved)[0-9]+ / {
+    next;
+}
+
+# Skip pseudo-system calls which describe ranges.
+/^#define __NR_(syscalls|arch_specific_syscall|(OABI_)?SYSCALL_BASE) / {
+    next;
+}
+/^#define __NR_(|64_|[NO]32_)Linux(_syscalls)? / {
+    next;
+}
+
+# Print the remaining _NR_* macros as system call names.
+/^#define __NR_/ {
+    print substr($2, 6);
+}