blob: 048edbf49821b05eff52c31617dd6a3e01ae774d [file] [log] [blame]
Arnaud Patard0aac3522010-01-08 08:40:01 -05001#!/usr/bin/awk -f
2
3# hack expression to generate arch/syscallent.h from <asm/unistd.h>
4# It reads from stdin and writes to stdout
5# It should work OK on i386,m68k,arm,ia64
6# It does NOT work in mips, s390
7# It is untested in other architectures
8
9BEGIN {
10 max=0;
11 FS="[ \t\n()+]+";
12}
13
14{
15 #debug
16 #printf("/%s/%s/%s/%s/\n", $1, $2, $3, $4);
17 if ($2 ~ /__NR_Linux/ && $3 ~ /4000/) {
18 syscall=1;
19 }
20 if ($2 ~ /__NR_Linux_syscalls/) {
21 syscall=0;
22 }
23 if (syscall && ($1 ~ /^#define$/) && ($2 ~ /^__NR_/)) {
24 SYSCALL[$4]=substr($2,6);
25 if ($4 > max) {
26 max=$4;
27 }
28 }
29}
30
31END {
32 for(i=0; i<=max; i++) {
33 if (!SYSCALL[i]) {
34 SYSCALL[i] = i;
35 }
36 pad = 32 - length(SYSCALL[i]);
37 if (pad<1) {
38 pad=1;
39 }
40 printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i);
41 }
42}
43