1#!/usr/bin/awk -f
2# This file is part of ltrace.
3# Copyright (C) 2008 Juan Cespedes
4#
5# This program is free software; you can redistribute it and/or
6# modify it under the terms of the GNU General Public License as
7# published by the Free Software Foundation; either version 2 of the
8# License, or (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18# 02110-1301 USA
19
20# hack expression to generate arch_syscallent.h from <asm/unistd.h>
21# It reads from stdin and writes to stdout
22# Currently (linux-2.6.16), it works OK on arm
23# It is untested in other architectures
24
25BEGIN {
26	max=0;
27	FS="[ \t\n()+]+";
28}
29
30{
31#      printf("/%s/%s/%s/%s/\n", $1, $2, $3, $4);
32	if (($1 ~ /^#define$/) && ($2 ~ /^__[A-Z]+_NR_/)) {
33		sub(/^__[A-Z]+_NR_/,"",$2);
34		if (($3>=0) && ($3<=1000)) {
35			SYSCALL[$3]=$2;
36			if ($3 > max) {
37				max=$3;
38			}
39		} else if (($3 ~ /^__[A-Z]+_NR_BASE$/) && ($4>=0) && ($4<=1000)) {
40			SYSCALL[$4]=$2;
41			if ($4 > max) {
42				max=$4;
43			}
44		}
45	}
46}
47
48END {
49	for(i=0; i<=max; i++) {
50		if (!SYSCALL[i]) {
51			SYSCALL[i] = i;
52		}
53		pad = 32 - length(SYSCALL[i]);
54		if (pad<1) {
55			pad=1;
56		}
57		printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i);
58	}
59}
60