linux-phytium/tools/perf/arch/powerpc/entry/syscalls/mksyscalltbl

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Generate system call table for perf. Derived from
# s390 script.
#
# Copyright IBM Corp. 2017
# Author(s):  Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
# Changed by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>

wordsize=$1
gcc=$2
input=$3

if ! test -r $input; then
	echo "Could not read input file" >&2
	exit 1
fi

create_table()
{
	local wordsize=$1
	local max_nr

	echo "static const char *syscalltbl_powerpc_${wordsize}[] = {"
	while read sc nr; do
		printf '\t[%d] = "%s",\n' $nr $sc
		max_nr=$nr
	done
	echo '};'
	echo "#define SYSCALLTBL_POWERPC_${wordsize}_MAX_ID $max_nr"
}

$gcc -m${wordsize} -E -dM -x c  $input	       \
	|sed -ne 's/^#define __NR_//p' \
	|sort -t' ' -k2 -nu	       \
	|create_table ${wordsize}