none/nl_main.c

   1
   2 /*--------------------------------------------------------------------*/
   3 /*--- Nulgrind: The minimal Valgrind tool.               nl_main.c ---*/
   4 /*--------------------------------------------------------------------*/
   5
   6 /*
   7    This file is part of Nulgrind, the minimal Valgrind tool,
   8    which does no instrumentation or analysis.
   9
  10    Copyright (C) 2002-2017 Nicholas Nethercote
  11       njn@valgrind.org
  12
  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.
  17
  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.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, see <http://www.gnu.org/licenses/>.
  25
  26    The GNU General Public License is contained in the file COPYING.
  27 */
  28
  29 #include "pub_tool_basics.h"
  30 #include "pub_tool_tooliface.h"
  31 #include "pub_tool_options.h"
  32
  33 static void nl_post_clo_init(void)
  34 {
  35    /* Unless we are actually tracking file descriptors we act as if we don't
  36       handle any errors.  */
  37    if (!VG_(clo_track_fds))
  38      VG_(needs_core_errors)(False);
  39 }
  40
  41 static
  42 IRSB* nl_instrument ( VgCallbackClosure* closure,
  43                       IRSB* bb,
  44                       const VexGuestLayout* layout,
  45                       const VexGuestExtents* vge,
  46                       const VexArchInfo* archinfo_host,
  47                       IRType gWordTy, IRType hWordTy )
  48 {
  49    return bb;
  50 }
  51
  52 static void nl_fini(Int exitcode)
  53 {
  54 }
  55
  56 static void nl_pre_clo_init(void)
  57 {
  58    VG_(details_name)            ("Nulgrind");
  59    VG_(details_version)         (NULL);
  60    VG_(details_description)     ("the minimal Valgrind tool");
  61    VG_(details_copyright_author)(
  62       "Copyright (C) 2002-2024, and GNU GPL'd, by Nicholas Nethercote et al.");
  63    VG_(details_bug_reports_to)  (VG_BUGS_TO);
  64
  65    VG_(details_avg_translation_sizeB) ( 275 );
  66
  67    VG_(basic_tool_funcs)        (nl_post_clo_init,
  68                                  nl_instrument,
  69                                  nl_fini);
  70    VG_(needs_xml_output)        ();
  71    VG_(needs_core_errors)       (True); /* Yes, but... see nl_post_clo_init  */
  72
  73    /* No needs, no core events to track */
  74 }
  75
  76 VG_DETERMINE_INTERFACE_VERSION(nl_pre_clo_init)
  77
  78 /*--------------------------------------------------------------------*/
  79 /*--- end                                                          ---*/
  80 /*--------------------------------------------------------------------*/