Messages in this thread Patch in this message | | | From | Tiezhu Yang <> | Subject | [PATCH 2/2] perf LoongArch: Simplify mksyscalltbl | Date | Tue, 23 May 2023 18:22:07 +0800 |
| |
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 9854e7ad35fe ("perf arm64: Simplify mksyscalltbl").
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> --- .../arch/loongarch/entry/syscalls/mksyscalltbl | 32 ++++++---------------- 1 file changed, 8 insertions(+), 24 deletions(-)
diff --git a/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl b/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl index c52156f..d7d97d5 100755 --- a/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl +++ b/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl @@ -22,40 +22,24 @@ create_table_from_c() { local sc nr last_sc - create_table_exe=`mktemp ${TMPDIR:-/tmp}/create-table-XXXXXX` - - { - - cat <<-_EoHEADER - #include <stdio.h> - #include "$input" - int main(int argc, char *argv[]) - { - _EoHEADER - while read sc nr; do - printf "%s\n" " printf(\"\\t[%d] = \\\"$sc\\\",\\n\", $nr);" - last_sc=$nr + printf "%s\n" " [$nr] = \"$sc\"," + last_sc=$sc done - printf "%s\n" " printf(\"#define SYSCALLTBL_LOONGARCH_MAX_ID %d\\n\", $last_sc);" - printf "}\n" - - } | $hostcc -I $incpath/include/uapi -o $create_table_exe -x c - - - $create_table_exe - - rm -f $create_table_exe + printf "%s\n" "#define SYSCALLTBL_LOONGARCH_MAX_ID __NR_$last_sc" } create_table() { + echo "#include \"$input\"" echo "static const char *syscalltbl_loongarch[] = {" create_table_from_c echo "};" } -$gcc -E -dM -x c -I $incpath/include/uapi $input \ - |sed -ne 's/^#define __NR_//p' \ - |sort -t' ' -k2 -n \ +$gcc -E -dM -x c -I $incpath/include/uapi $input \ + |awk '{if ($2~"__NR" && $3 !~"__NR3264_") {print}}' \ + |sed -ne 's/^#define __NR_//p;s/^#define __NR3264_//p' \ + |sort -t' ' -k2 -n \ |create_table -- 2.1.0
| |