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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [common/] [common-targhooks.c] - Rev 718
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/* Default common target hook functions. Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 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. 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 "config.h" #include "system.h" #include "coretypes.h" #include "input.h" #include "tm.h" #include "common/common-target.h" #include "common/common-targhooks.h" /* Determine the exception handling mechanism for the target. */ enum unwind_info_type default_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED) { /* Obey the configure switch to turn on sjlj exceptions. */ #ifdef CONFIG_SJLJ_EXCEPTIONS if (CONFIG_SJLJ_EXCEPTIONS) return UI_SJLJ; #endif /* ??? Change all users to the hook, then poison this. */ #ifdef DWARF2_UNWIND_INFO if (DWARF2_UNWIND_INFO) return UI_DWARF2; #endif return UI_SJLJ; } /* To be used by targets that force dwarf2 unwind enabled. */ enum unwind_info_type dwarf2_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED) { /* Obey the configure switch to turn on sjlj exceptions. */ #ifdef CONFIG_SJLJ_EXCEPTIONS if (CONFIG_SJLJ_EXCEPTIONS) return UI_SJLJ; #endif return UI_DWARF2; } /* To be used by targets that force sjlj unwind enabled. */ enum unwind_info_type sjlj_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED) { return UI_SJLJ; } /* Default version of TARGET_HANDLE_OPTION. */ bool default_target_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED, struct gcc_options *opts_set ATTRIBUTE_UNUSED, const struct cl_decoded_option *decoded ATTRIBUTE_UNUSED, location_t loc ATTRIBUTE_UNUSED) { return true; } const struct default_options empty_optimization_table[] = { { OPT_LEVELS_NONE, 0, NULL, 0 } };
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