Mercurial > hg > CbC > CbC_gcc
diff gcc/config/cris/cris_abi_symbol.c @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/config/cris/cris_abi_symbol.c Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,45 @@ +/* Define symbol to recognize CRIS ABI version 2, for a.out use. + Contributed by Axis Communications. + Written by Hans-Peter Nilsson <hp@axis.se>, c:a 1992. + + Copyright (C) 2000, 2001, 2003, 2009 Free Software Foundation, Inc. + +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. + +This file 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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#include "tconfig.h" +#include "tm.h" + +#ifdef __AOUT__ + +/* ELF support was not released before the ABI was changed, so we + restrict this awkwardness to a.out. This symbol is for gdb to + recognize, so it can debug both old and new programs successfully. */ +__asm__ (".global " CRIS_ABI_VERSION_SYMBOL_STRING); +__asm__ (".set " CRIS_ABI_VERSION_SYMBOL_STRING ",0"); + +#else /* not __AOUT__ */ + +/* The file must not be empty (declaration/definition-wise) according to + ISO, IIRC. */ +extern int _Dummy; + +#endif /* not __AOUT__ */