1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3 #
4 # Generate system call table for perf. Derived from
5 # powerpc script.
6 #
7 # Author(s): Ming Wang <wangming01@loongson.cn>
8 # Author(s): Huacai Chen <chenhuacai@loongson.cn>
9 # Copyright (C) 2020-2023 Loongson Technology Corporation Limited
10
11 gcc=$1
12 hostcc=$2
13 incpath=$3
14 input=$4
15
16 if ! test -r $input; then
17 echo "Could not read input file" >&2
18 exit 1
19 fi
20
21 create_sc_table()
22 {
23 local sc nr max_nr
24
25 while read sc nr; do
26 printf "%s\n" " [$nr] = \"$sc\","
27 max_nr=$nr
28 done
29
30 echo "#define SYSCALLTBL_LOONGARCH_MAX_ID $max_nr"
31 }
32
33 create_table()
34 {
35 echo "#include \"$input\""
36 echo "static const char *const syscalltbl_loongarch[] = {"
37 create_sc_table
38 echo "};"
39 }
40
41 $gcc -E -dM -x c -I $incpath/include/uapi $input \
42 |awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
43 sub("^#define __NR(3264)?_", "");
44 print | "sort -k2 -n"}' \
45 |create_table
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