gcc/gcov-iov.c

   1 /* Generate gcov version string from version.c. See gcov-io.h for
   2    description of how the version string is generated.
   3    Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   4    Contributed by Nathan Sidwell <nathan@codesourcery.com>
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 2, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING.  If not, write to the Free
  20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  21 02111-1307, USA.  */
  22
  23 #include "bconfig.h"
  24 #include "system.h"
  25 #include "coretypes.h"
  26 #include "tm.h"
  27 #include "version.c" /* We want the actual string.  */
  28
  29 int main (int, char **);
  30
  31 int
  32 main (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
  33 {
  34   unsigned version = 0;
  35   unsigned char v[4];
  36   unsigned ix;
  37   char const *ptr = version_string;
  38   unsigned major, minor = 0;
  39   char s = 0;
  40
  41   major = atoi (ptr);
  42   while (*ptr && *ptr != '.')
  43     ptr++;
  44   if (*ptr)
  45     minor = atoi (ptr + 1);
  46   while (*ptr)
  47     if (*ptr++ == '(')
  48       {
  49         s = *ptr;
  50         break;
  51       }
  52
  53   v[0] = (major < 10 ? '0' : 'A' - 10) + major;
  54   v[1] = (minor / 10) + '0';
  55   v[2] = (minor % 10) + '0';
  56   v[3] = s ? s : '*';
  57
  58   for (ix = 0; ix != 4; ix++)
  59     version = (version << 8) | v[ix];
  60
  61   printf ("/* Generated automatically by the program `%s'\n", argv[0]);
  62   printf ("   from `%s'.  */\n", version_string);
  63   printf ("\n");
  64   printf ("#define GCOV_VERSION ((gcov_unsigned_t)%#08x)  /* %.4s */\n",
  65           version, v);
  66
  67   return 0;
  68 }