| /* Common hooks for Texas Instruments MSP430. |
| Copyright (C) 2014 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 "diagnostic-core.h" |
| #include "tm.h" |
| #include "common/common-target.h" |
| #include "common/common-target-def.h" |
| #include "opts.h" |
| #include "flags.h" |
| |
| /* Handle -mcpu= and -mmcu= here. We want to ensure that only one |
| of these two options - the last specified on the command line - |
| is passed on to the msp430 backend. */ |
| |
| static bool |
| msp430_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED, |
| struct gcc_options *opts_set ATTRIBUTE_UNUSED, |
| const struct cl_decoded_option *decoded, |
| location_t loc ATTRIBUTE_UNUSED) |
| { |
| switch (decoded->opt_index) |
| { |
| case OPT_mcpu_: |
| if (strcasecmp (decoded->arg, "msp430x") == 0 |
| || strcasecmp (decoded->arg, "msp430xv2") == 0 |
| || strcasecmp (decoded->arg, "430x") == 0 |
| || strcasecmp (decoded->arg, "430xv2") == 0) |
| { |
| target_cpu = "msp430x"; |
| target_mcu = NULL; |
| } |
| else if (strcasecmp (decoded->arg, "msp430") == 0 |
| || strcasecmp (decoded->arg, "430") == 0) |
| { |
| target_cpu = "msp430"; |
| target_mcu = NULL; |
| } |
| else |
| { |
| error ("unrecognised argument of -mcpu: %s", decoded->arg); |
| return false; |
| } |
| break; |
| |
| case OPT_mmcu_: |
| /* For backwards compatibility we recognise two generic MCU |
| 430X names. However we want to be able to generate special C |
| preprocessor defines for them, which is why we set target_mcu |
| to NULL. */ |
| if (strcasecmp (decoded->arg, "msp430") == 0) |
| { |
| target_cpu = "msp430"; |
| target_mcu = NULL; |
| } |
| else if (strcasecmp (decoded->arg, "msp430x") == 0 |
| || strcasecmp (decoded->arg, "msp430xv2") == 0) |
| { |
| target_cpu = "msp430x"; |
| target_mcu = NULL; |
| } |
| else |
| target_cpu = NULL; |
| break; |
| } |
| |
| return true; |
| } |
| |
| #undef TARGET_HANDLE_OPTION |
| #define TARGET_HANDLE_OPTION msp430_handle_option |
| |
| struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |