1 /* Common hooks for Motorola 68000 family.
2 Copyright (C) 1987-2020 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
m68k_handle_option(struct gcc_options * opts,struct gcc_options * opts_set,const struct cl_decoded_option * decoded,location_t loc)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