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Diffstat (limited to 'gcc/gcov-iov.c')
-rw-r--r-- | gcc/gcov-iov.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc/gcov-iov.c b/gcc/gcov-iov.c new file mode 100644 index 000000000..59109c1f9 --- /dev/null +++ b/gcc/gcov-iov.c @@ -0,0 +1,77 @@ +/* Generate gcov version string from version.c. See gcov-io.h for + description of how the version string is generated. + Copyright (C) 2002, 2003, 2005, 2007, 2010 Free Software Foundation, Inc. + Contributed by Nathan Sidwell <nathan@codesourcery.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#include "bconfig.h" +#include "system.h" + +/* Command line arguments are the base GCC version and the development + phase (the latter may be an empty string). */ + +int +main (int argc, char **argv) +{ + unsigned int version = 0; + unsigned char v[4]; + unsigned int ix; + unsigned long major; + unsigned long minor = 0; + char phase = 0; + char *ptr; + + if (argc != 3) + { + fprintf (stderr, "usage: %s 'version' 'phase'\n", argv[0]); + return 1; + } + + ptr = argv[1]; + major = strtoul (ptr, &ptr, 10); + + if (*ptr == '.') + minor = strtoul (ptr + 1, 0, 10); + + /* For releases the development phase is an empty string, for + prerelease versions on a release branch it is "prerelease". + Consider both equal as patch-level releases do not change + the GCOV version either. + On the trunk the development phase is "experimental". */ + phase = argv[2][0]; + if (phase == '\0' + || strcmp (argv[2], "prerelease") == 0) + phase = '*'; + + v[0] = (major < 10 ? '0' : 'A' - 10) + major; + v[1] = (minor / 10) + '0'; + v[2] = (minor % 10) + '0'; + v[3] = phase; + + for (ix = 0; ix != 4; ix++) + version = (version << 8) | v[ix]; + + printf ("/* Generated automatically by the program `%s'\n", argv[0]); + printf (" from `%s (%lu %lu) and %s (%c)'. */\n", + argv[1], major, minor, argv[2], phase); + printf ("\n"); + printf ("#define GCOV_VERSION ((gcov_unsigned_t)0x%08x) /* %.4s */\n", + version, v); + + return 0; +} |