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 # Copyright IBM Corp. 2017
8 # Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
9 # Changed by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
10 # Changed by: Kim Phillips <kim.phillips@arm.com>
11
12 gcc=$1
13 hostcc=$2
14 incpath=$3
15 input=$4
16
17 if ! test -r $input; then
18 echo "Could not read input file" >&2
19 exit 1
20 fi
21
22 create_sc_table()
23 {
24 local sc nr max_nr
25
26 while read sc nr; do
27 printf "%s\n" " [$nr] = \"$sc\","
28 max_nr=$nr
29 done
30
31 echo "#define SYSCALLTBL_ARM64_MAX_ID $max_nr"
32 }
33
34 create_table()
35 {
36 echo "#include \"$input\""
37 echo "static const char *const syscalltbl_arm64[] = {"
38 create_sc_table
39 echo "};"
40 }
41
42 $gcc -E -dM -x c -I $incpath/include/uapi $input \
43 |awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
44 sub("^#define __NR(3264)?_", "");
45 print | "sort -k2 -n"}' \
46 |create_table
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