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269f49f9cb
In order to print the numerical entries of the syscall table,
there is no need to call the host compiler to build and then
run a program, this can be done directly by the shell script.
This is similar with commit 9854e7ad35 ("perf arm64: Simplify
mksyscalltbl"). For now, the mksyscalltbl file of LoongArch is
almost same with arm64.
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
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/1685441401-8709-6-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
882 B
Executable File
882 B
Executable File
#!/bin/sh
SPDX-License-Identifier: GPL-2.0
Generate system call table for perf. Derived from
powerpc script.
Author(s): Ming Wang wangming01@loongson.cn
Author(s): Huacai Chen chenhuacai@loongson.cn
Copyright (C) 2020-2023 Loongson Technology Corporation Limited
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_LOONGARCH_MAX_ID $max_nr"
}
create_table() { echo "#include "$input"" echo "static const char *const syscalltbl_loongarch[] = {" 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