linux-zen-server/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Generate system call table for perf. Derived from
# powerpc script.
#
# Copyright IBM Corp. 2017
# Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
# Changed by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
# Changed by: Kim Phillips <kim.phillips@arm.com>
gcc=$1
hostcc=$2
incpath=$3
input=$4
if ! test -r $input; then
echo "Could not read input file" >&2
exit 1
fi
create_table_from_c()
{
local sc nr last_sc
while read sc nr; do
printf "%s\n" " [$nr] = \"$sc\","
last_sc=$sc
done
printf "%s\n" "#define SYSCALLTBL_ARM64_MAX_ID __NR_$last_sc"
}
create_table()
{
echo "#include \"$input\""
echo "static const char *syscalltbl_arm64[] = {"
create_table_from_c
echo "};"
}
$gcc -E -dM -x c -I $incpath/include/uapi $input \
|sed -ne 's/^#define __NR_//p' \
|sort -t' ' -k2 -n \
|create_table