1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3 in="$1"
4 out="$2"
5 align=1
6
7 fileguard=_ASM_ARM_`basename "$out" | sed \
8 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
9 -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
10
11 grep -E "^[0-9A-Fa-fXx]+[[:space:]]+" "$in" | sort -n | tail -n1 | (
12 echo "#ifndef ${fileguard}
13 #define ${fileguard} 1
14
15 /*
16 * This needs to be greater than __NR_last_syscall+1 in order to account
17 * for the padding in the syscall table.
18 */
19 "
20
21 while read nr abi name entry; do
22 nr=$(($nr + 1))
23 while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do
24 align=$(( $align * 4 ))
25 done
26 nr=$(( ($nr + $align - 1) & ~($align - 1) ))
27 echo "/* aligned to $align */"
28 echo "#define __NR_syscalls $nr"
29 done
30
31 echo ""
32 echo "#endif /* ${fileguard} */"
33 ) > "$out"
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