Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / arch / arm / tools / syscallnr.sh
blob9e386770b6b39eda98a2f6353df6807479ae13d1
1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3 in="$1"
4 out="$2"
5 align=1
7 fileguard=_ASM_ARM_`basename "$out" | sed \
8 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
9 -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
11 grep -E "^[0-9A-Fa-fXx]+[[:space:]]+" "$in" | sort -n | tail -n1 | (
12 echo "#ifndef ${fileguard}
13 #define ${fileguard} 1
16 * This needs to be greater than __NR_last_syscall+1 in order to account
17 * for the padding in the syscall table.
21 while read nr abi name entry; do
22 nr=$(($nr + 1))
23 while [ "$(($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
31 echo ""
32 echo "#endif /* ${fileguard} */"
33 ) > "$out"