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Tiezhu Yang 250e30badf perf arm64: Use max_nr to define SYSCALLTBL_ARM64_MAX_ID

Like x86, powerpc, mips and s390, use max_nr which is a digital
number to define SYSCALLTBL_ARM64_MAX_ID.

Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: loongarch@lists.linux.dev
Link: https://lore.kernel.org/r/1685441401-8709-5-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2023-06-05 11:43:04 -03:00

911 B

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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_sc_table() { local sc nr max_nr

while read sc nr; do
	printf "%s\n" "	[$nr] = \"$sc\","
	max_nr=$nr
done

echo "#define SYSCALLTBL_ARM64_MAX_ID $max_nr"

}

create_table() { echo "#include "$input"" echo "static const char *const syscalltbl_arm64[] = {" create_sc_table echo "};" }

$gcc -E -dM -x c -I $incpath/include/uapi $input
|awk '$2 ~ "__NR" && $3 !~ "_NR3264" { sub("^#define __NR(3264)?_", ""); print | "sort -k2 -n"}'
|create_table

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