diff options
Diffstat (limited to '')
| -rwxr-xr-x | tools/perf/scripts/syscalltbl.sh | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/tools/perf/scripts/syscalltbl.sh b/tools/perf/scripts/syscalltbl.sh index 1ce0d5aa8b50..a39b3013b103 100755 --- a/tools/perf/scripts/syscalltbl.sh +++ b/tools/perf/scripts/syscalltbl.sh @@ -50,37 +50,27 @@ fi infile="$1" outfile="$2" -nxt=0 - -syscall_macro() { - nr="$1" - name="$2" - - echo " [$nr] = \"$name\"," -} - -emit() { - nr="$1" - entry="$2" - - syscall_macro "$nr" "$entry" -} - -echo "static const char *const syscalltbl[] = {" > $outfile - sorted_table=$(mktemp /tmp/syscalltbl.XXXXXX) grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | sort -n > $sorted_table -max_nr=0 +echo "static const char *const syscall_num_to_name[] = {" > $outfile # the params are: nr abi name entry compat # use _ for intentionally unused variables according to SC2034 while read nr _ name _ _; do - emit "$nr" "$name" >> $outfile - max_nr=$nr + echo " [$nr] = \"$name\"," >> $outfile done < $sorted_table +echo "};" >> $outfile -rm -f $sorted_table +echo "static const uint16_t syscall_sorted_names[] = {" >> $outfile +# When sorting by name, add a suffix of 0s upto 20 characters so that system +# calls that differ with a numerical suffix don't sort before those +# without. This default behavior of sort differs from that of strcmp used at +# runtime. Use sed to strip the trailing 0s suffix afterwards. +grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | awk '{printf $3; for (i = length($3); i < 20; i++) { printf "0"; }; print " " $1}'| sort | sed 's/\([a-zA-Z1-9]\+\)0\+ \([0-9]\+\)/\1 \2/' > $sorted_table +while read name nr; do + echo " $nr, /* $name */" >> $outfile +done < $sorted_table echo "};" >> $outfile -echo "#define SYSCALLTBL_MAX_ID ${max_nr}" >> $outfile +rm -f $sorted_table |