1 /* Common hooks for Motorola 68000 family. 2 Copyright (C) 1987-2019 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 #include "config.h" 21 #include "system.h" 22 #include "coretypes.h" 23 #include "diagnostic-core.h" 24 #include "tm.h" 25 #include "common/common-target.h" 26 #include "common/common-target-def.h" 27 #include "opts.h" 28 #include "flags.h" 29 30 /* Implement TARGET_HANDLE_OPTION. */ 31 32 static bool 33 m68k_handle_option (struct gcc_options *opts, 34 struct gcc_options *opts_set, 35 const struct cl_decoded_option *decoded, 36 location_t loc) 37 { 38 size_t code = decoded->opt_index; 39 const char *arg = decoded->arg; 40 int value = decoded->value; 41 42 switch (code) 43 { 44 case OPT_m68020_40: 45 opts->x_m68k_tune_option = u68020_40; 46 opts_set->x_m68k_tune_option = (uarch_type) 1; 47 opts->x_m68k_cpu_option = m68020; 48 opts_set->x_m68k_cpu_option = (target_device) 1; 49 return true; 50 51 case OPT_m68020_60: 52 opts->x_m68k_tune_option = u68020_60; 53 opts_set->x_m68k_tune_option = (uarch_type) 1; 54 opts->x_m68k_cpu_option = m68020; 55 opts_set->x_m68k_cpu_option = (target_device) 1; 56 return true; 57 58 case OPT_mshared_library_id_: 59 if (value > MAX_LIBRARY_ID) 60 error_at (loc, "%<-mshared-library-id=%s%> is not between 0 and %d", 61 arg, MAX_LIBRARY_ID); 62 else 63 { 64 char *tmp; 65 asprintf (&tmp, "%d", (value * -4) - 4); 66 opts->x_m68k_library_id_string = tmp; 67 } 68 return true; 69 70 default: 71 return true; 72 } 73 } 74 75 #undef TARGET_HANDLE_OPTION 76 #define TARGET_HANDLE_OPTION m68k_handle_option 77 78 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 79