2 # SPDX-License-Identifier: GPL-2.0-only
4 # Generate a syscall table header.
6 # Each line of the syscall table should have the following format:
8 # NR ABI NAME [NATIVE] [COMPAT]
13 # NATIVE native entry point (optional)
14 # COMPAT compat entry point (optional)
19 echo >&2 "usage: $0 [--abis ABIS] INFILE OUTFILE" >&2
21 echo >&2 " INFILE input syscall table"
22 echo >&2 " OUTFILE output header file"
25 echo >&2 " --abis ABIS ABI(s) to handle (By default, all lines are handled)"
29 # default unless specified by options
36 abis=$(echo "($2)" | tr ',' '|')
39 echo "$1: unknown option" >&2
55 grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | {
57 while read nr abi name native compat ; do
59 if [ $nxt -gt $nr ]; then
60 echo "error: $infile: syscall table is not sorted or duplicates the same syscall number" >&2
64 while [ $nxt -lt $nr ]; do
65 echo "__SYSCALL($nxt, sys_ni_syscall)"
69 if [ -n "$compat" ]; then
70 echo "__SYSCALL_WITH_COMPAT($nr, $native, $compat)"
71 elif [ -n "$native" ]; then
72 echo "__SYSCALL($nr, $native)"
74 echo "__SYSCALL($nr, sys_ni_syscall)"