46 lines
882 B
Plaintext
46 lines
882 B
Plaintext
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Generate system call table for perf. Derived from
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# powerpc script.
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#
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# Author(s): Ming Wang <wangming01@loongson.cn>
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# Author(s): Huacai Chen <chenhuacai@loongson.cn>
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# Copyright (C) 2020-2023 Loongson Technology Corporation Limited
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gcc=$1
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hostcc=$2
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incpath=$3
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input=$4
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if ! test -r $input; then
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echo "Could not read input file" >&2
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exit 1
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fi
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create_sc_table()
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{
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local sc nr max_nr
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while read sc nr; do
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printf "%s\n" " [$nr] = \"$sc\","
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max_nr=$nr
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done
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echo "#define SYSCALLTBL_LOONGARCH_MAX_ID $max_nr"
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}
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create_table()
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{
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echo "#include \"$input\""
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echo "static const char *const syscalltbl_loongarch[] = {"
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create_sc_table
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echo "};"
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}
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$gcc -E -dM -x c -I $incpath/include/uapi $input \
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|awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
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sub("^#define __NR(3264)?_", "");
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print | "sort -k2 -n"}' \
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|create_table
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