| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | #!/bin/sh |
| 2 | # SPDX-License-Identifier: GPL-2.0 |
| 3 | in="$1" |
| 4 | out="$2" |
| 5 | my_abis=`echo "($3)" | tr ',' '|'` |
| 6 | align=1 |
| 7 | |
| 8 | fileguard=_ASM_ARM_`basename "$out" | sed \ |
| 9 | -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ |
| 10 | -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` |
| 11 | |
| 12 | grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | tail -n1 | ( |
| 13 | echo "#ifndef ${fileguard} |
| 14 | #define ${fileguard} 1 |
| 15 | |
| 16 | /* |
| 17 | * This needs to be greater than __NR_last_syscall+1 in order to account |
| 18 | * for the padding in the syscall table. |
| 19 | */ |
| 20 | " |
| 21 | |
| 22 | while read nr abi name entry; do |
| 23 | nr=$(($nr + 1)) |
| 24 | while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do |
| 25 | align=$(( $align * 4 )) |
| 26 | done |
| 27 | nr=$(( ($nr + $align - 1) & ~($align - 1) )) |
| 28 | echo "/* aligned to $align */" |
| 29 | echo "#define __NR_syscalls $nr" |
| 30 | done |
| 31 | |
| 32 | echo "" |
| 33 | echo "#endif /* ${fileguard} */" |
| 34 | ) > "$out" |