mksyscallent revision c53309ef99c205a2e9ae7ccbdf6557adcd52d24e 
1#!/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 (($1 ~ /^#define$/) && ($2 ~ /^__NR_/)) {
18	        #ia64 syscalls are > 1000 (lower for x86 compat)
19		if (($3>=0) && ($3<=2000)) {
20			SYSCALL[$3]=substr($2,6);
21			if ($3 > max) {
22				max=$3;
23			}
24		} else if (($3 ~ /^__NR_SYSCALL_BASE$/) && ($4>=0) && ($4<=1000)) {
25			SYSCALL[$4]=substr($2,6);
26			if ($4 > max) {
27				max=$4;
28			}
29		}
30	}
31}
32
33END {
34	for(i=0; i<=max; i++) {
35		if (!SYSCALL[i]) {
36			SYSCALL[i] = i;
37		}
38		pad = 32 - length(SYSCALL[i]);
39		if (pad<1) {
40			pad=1;
41		}
42		printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i);
43	}
44}
45
46