diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/filter-nr-syscalls.awk')
-rw-r--r-- | sysdeps/unix/sysv/linux/filter-nr-syscalls.awk | 35 |
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); +} |