summaryrefslogtreecommitdiffstats
path: root/arch/x86/entry/syscalls/syscalltbl.sh
blob: 929bde120d6bbf8a7d5773f20b0d88ef03a9d54a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

in="$1"
out="$2"

syscall_macro() {
    local abi="$1"
    local nr="$2"
    local entry="$3"

    echo "__SYSCALL_${abi}($nr, $entry)"
}

emit() {
    local abi="$1"
    local nr="$2"
    local entry="$3"
    local compat="$4"

    if [ "$abi" != "I386" -a -n "$compat" ]; then
	echo "a compat entry ($abi: $compat) for a 64-bit syscall makes no sense" >&2
	exit 1
    fi

    if [ -z "$compat" ]; then
	if [ -n "$entry" ]; then
	    syscall_macro "$abi" "$nr" "$entry"
	fi
    else
	echo "#ifdef CONFIG_X86_32"
	if [ -n "$entry" ]; then
	    syscall_macro "$abi" "$nr" "$entry"
	fi
	echo "#else"
	syscall_macro "$abi" "$nr" "$compat"
	echo "#endif"
    fi
}

grep '^[0-9]' "$in" | sort -n | (
    while read nr abi name entry compat; do
	abi=`echo "$abi" | tr '[a-z]' '[A-Z]'`
	emit "$abi" "$nr" "$entry" "$compat"
    done
) > "$out"