# 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);

}