Avoid doing arithmetic with NULL
[valgrind.git] / none / nl_main.c
blobc56b9b32f3632919aca731d3b883455e7721e730
2 /*--------------------------------------------------------------------*/
3 /*--- Nulgrind: The minimal Valgrind tool. nl_main.c ---*/
4 /*--------------------------------------------------------------------*/
6 /*
7 This file is part of Nulgrind, the minimal Valgrind tool,
8 which does no instrumentation or analysis.
10 Copyright (C) 2002-2013 Nicholas Nethercote
11 njn@valgrind.org
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of the
16 License, or (at your option) any later version.
18 This program is distributed in the hope that it will be useful, but
19 WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26 02111-1307, USA.
28 The GNU General Public License is contained in the file COPYING.
31 #include "pub_tool_basics.h"
32 #include "pub_tool_tooliface.h"
34 static void nl_post_clo_init(void)
38 static
39 IRSB* nl_instrument ( VgCallbackClosure* closure,
40 IRSB* bb,
41 VexGuestLayout* layout,
42 VexGuestExtents* vge,
43 VexArchInfo* archinfo_host,
44 IRType gWordTy, IRType hWordTy )
46 return bb;
49 static void nl_fini(Int exitcode)
53 static void nl_pre_clo_init(void)
55 VG_(details_name) ("Nulgrind");
56 VG_(details_version) (NULL);
57 VG_(details_description) ("the minimal Valgrind tool");
58 VG_(details_copyright_author)(
59 "Copyright (C) 2002-2013, and GNU GPL'd, by Nicholas Nethercote.");
60 VG_(details_bug_reports_to) (VG_BUGS_TO);
62 VG_(details_avg_translation_sizeB) ( 275 );
64 VG_(basic_tool_funcs) (nl_post_clo_init,
65 nl_instrument,
66 nl_fini);
68 /* No needs, no core events to track */
71 VG_DETERMINE_INTERFACE_VERSION(nl_pre_clo_init)
73 /*--------------------------------------------------------------------*/
74 /*--- end ---*/
75 /*--------------------------------------------------------------------*/