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c2dcd04e | 1 | /* BFD library support routines for the Renesas H8/300 architecture. |
82704155 | 2 | Copyright (C) 1990-2019 Free Software Foundation, Inc. |
252b5132 RH |
3 | Hacked by Steve Chamberlain of Cygnus Support. |
4 | ||
c2dcd04e | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
c2dcd04e NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c2dcd04e | 10 | (at your option) any later version. |
252b5132 | 11 | |
c2dcd04e NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
252b5132 | 16 | |
c2dcd04e NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
252b5132 | 21 | |
252b5132 | 22 | #include "sysdep.h" |
3db64b00 | 23 | #include "bfd.h" |
252b5132 RH |
24 | #include "libbfd.h" |
25 | ||
b34976b6 | 26 | static bfd_boolean |
c6baf75e | 27 | h8300_scan (const struct bfd_arch_info *info, const char *string) |
252b5132 RH |
28 | { |
29 | if (*string != 'h' && *string != 'H') | |
b34976b6 | 30 | return FALSE; |
252b5132 RH |
31 | |
32 | string++; | |
33 | if (*string != '8') | |
b34976b6 | 34 | return FALSE; |
252b5132 RH |
35 | |
36 | string++; | |
37 | if (*string == '/') | |
38 | string++; | |
39 | ||
40 | if (*string != '3') | |
b34976b6 | 41 | return FALSE; |
252b5132 RH |
42 | string++; |
43 | if (*string != '0') | |
b34976b6 | 44 | return FALSE; |
252b5132 RH |
45 | string++; |
46 | if (*string != '0') | |
b34976b6 | 47 | return FALSE; |
252b5132 RH |
48 | string++; |
49 | if (*string == '-') | |
50 | string++; | |
0a83638b JL |
51 | |
52 | /* In ELF linker scripts, we typically express the architecture/machine | |
53 | as architecture:machine. | |
54 | ||
55 | So if we've matched so far and encounter a colon, try to match the | |
56 | string following the colon. */ | |
57 | if (*string == ':') | |
58 | { | |
59 | string++; | |
eea78af1 | 60 | return h8300_scan (info, string); |
0a83638b JL |
61 | } |
62 | ||
252b5132 RH |
63 | if (*string == 'h' || *string == 'H') |
64 | { | |
8d9cd6b1 NC |
65 | string++; |
66 | if (*string == 'n' || *string == 'N') | |
67 | return (info->mach == bfd_mach_h8300hn); | |
68 | ||
252b5132 RH |
69 | return (info->mach == bfd_mach_h8300h); |
70 | } | |
71 | else if (*string == 's' || *string == 'S') | |
72 | { | |
8d9cd6b1 NC |
73 | string++; |
74 | if (*string == 'n' || *string == 'N') | |
75 | return (info->mach == bfd_mach_h8300sn); | |
76 | ||
5d1db417 | 77 | if (*string == 'x' || *string == 'X') |
f4984206 RS |
78 | { |
79 | string++; | |
80 | if (*string == 'n' || *string == 'N') | |
81 | return (info->mach == bfd_mach_h8300sxn); | |
82 | ||
83 | return (info->mach == bfd_mach_h8300sx); | |
84 | } | |
68ffbac6 | 85 | |
252b5132 RH |
86 | return (info->mach == bfd_mach_h8300s); |
87 | } | |
88 | else | |
8d9cd6b1 | 89 | return info->mach == bfd_mach_h8300; |
252b5132 RH |
90 | } |
91 | ||
cc040812 NC |
92 | /* This routine is provided two arch_infos and works out the machine |
93 | which would be compatible with both and returns a pointer to its | |
94 | info structure. */ | |
252b5132 RH |
95 | |
96 | static const bfd_arch_info_type * | |
c6baf75e | 97 | compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out) |
252b5132 | 98 | { |
aa02cc63 AO |
99 | if (in->arch != out->arch) |
100 | return 0; | |
101 | if (in->mach == bfd_mach_h8300sx && out->mach == bfd_mach_h8300s) | |
102 | return in; | |
103 | if (in->mach == bfd_mach_h8300s && out->mach == bfd_mach_h8300sx) | |
104 | return out; | |
105 | if (in->mach == bfd_mach_h8300sxn && out->mach == bfd_mach_h8300sn) | |
106 | return in; | |
107 | if (in->mach == bfd_mach_h8300sn && out->mach == bfd_mach_h8300sxn) | |
108 | return out; | |
252b5132 | 109 | /* It's really not a good idea to mix and match modes. */ |
aa02cc63 | 110 | if (in->mach != out->mach) |
252b5132 RH |
111 | return 0; |
112 | else | |
113 | return in; | |
114 | } | |
115 | ||
aebcfb76 NC |
116 | #define N(word, addr, number, name, print, default, next) \ |
117 | { word, addr, 8, bfd_arch_h8300, number, name, print, 1, default, \ | |
118 | compatible, h8300_scan, bfd_arch_default_fill, next, 0 } | |
119 | ||
f4984206 | 120 | static const bfd_arch_info_type h8300sxn_info_struct = |
aebcfb76 | 121 | N (32, 16, bfd_mach_h8300sxn, "h8300sxn", "h8300sxn", FALSE, NULL); |
f4984206 | 122 | |
5d1db417 | 123 | static const bfd_arch_info_type h8300sx_info_struct = |
aebcfb76 | 124 | N (32, 32, bfd_mach_h8300sx, "h8300sx", "h8300sx", FALSE, &h8300sxn_info_struct); |
5d1db417 | 125 | |
8d9cd6b1 | 126 | static const bfd_arch_info_type h8300sn_info_struct = |
aebcfb76 | 127 | N (32, 16, bfd_mach_h8300sn, "h8300sn", "h8300sn", FALSE, &h8300sx_info_struct); |
8d9cd6b1 | 128 | |
8d9cd6b1 | 129 | static const bfd_arch_info_type h8300hn_info_struct = |
aebcfb76 | 130 | N (32, 16, bfd_mach_h8300hn, "h8300hn", "h8300hn", FALSE, &h8300sn_info_struct); |
8d9cd6b1 | 131 | |
4c7aad1c | 132 | static const bfd_arch_info_type h8300s_info_struct = |
aebcfb76 | 133 | N (32, 32, bfd_mach_h8300s, "h8300s", "h8300s", FALSE, & h8300hn_info_struct); |
252b5132 RH |
134 | |
135 | static const bfd_arch_info_type h8300h_info_struct = | |
aebcfb76 | 136 | N (32, 32, bfd_mach_h8300h, "h8300h", "h8300h", FALSE, &h8300s_info_struct); |
252b5132 RH |
137 | |
138 | const bfd_arch_info_type bfd_h8300_arch = | |
aebcfb76 | 139 | N (16, 16, bfd_mach_h8300, "h8300", "h8300", TRUE, &h8300h_info_struct); |
2808c7aa RS |
140 | |
141 | /* Pad the given address to 32 bits, converting 16-bit and 24-bit | |
142 | addresses into the values they would have had on a h8s target. */ | |
143 | ||
144 | bfd_vma | |
145 | bfd_h8300_pad_address (bfd *abfd, bfd_vma address) | |
146 | { | |
147 | /* Cope with bfd_vma's larger than 32 bits. */ | |
148 | address &= 0xffffffffu; | |
149 | ||
150 | switch (bfd_get_mach (abfd)) | |
151 | { | |
152 | case bfd_mach_h8300: | |
153 | case bfd_mach_h8300hn: | |
154 | case bfd_mach_h8300sn: | |
155 | case bfd_mach_h8300sxn: | |
156 | /* Sign extend a 16-bit address. */ | |
157 | if (address >= 0x8000) | |
158 | return address | 0xffff0000u; | |
159 | return address; | |
160 | ||
161 | case bfd_mach_h8300h: | |
162 | /* Sign extend a 24-bit address. */ | |
163 | if (address >= 0x800000) | |
164 | return address | 0xff000000u; | |
165 | return address; | |
166 | ||
167 | case bfd_mach_h8300s: | |
168 | case bfd_mach_h8300sx: | |
169 | return address; | |
170 | ||
171 | default: | |
172 | abort (); | |
173 | } | |
174 | } |