Commit | Line | Data |
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c2dcd04e | 1 | /* BFD back-end for Renesas H8/500 COFF binaries. |
6f2750fe | 2 | Copyright (C) 1993-2016 Free Software Foundation, Inc. |
252b5132 RH |
3 | Contributed by Cygnus Support. |
4 | Written by Steve Chamberlain, <sac@cygnus.com>. | |
5 | ||
c2dcd04e | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
c2dcd04e NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c2dcd04e | 11 | (at your option) any later version. |
252b5132 | 12 | |
c2dcd04e NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
c2dcd04e NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
252b5132 | 22 | |
252b5132 | 23 | #include "sysdep.h" |
3db64b00 | 24 | #include "bfd.h" |
252b5132 RH |
25 | #include "libbfd.h" |
26 | #include "bfdlink.h" | |
27 | #include "coff/h8500.h" | |
28 | #include "coff/internal.h" | |
29 | #include "libcoff.h" | |
30 | ||
f4ffd778 | 31 | |
252b5132 RH |
32 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1) |
33 | ||
34 | static reloc_howto_type r_imm8 = | |
b34976b6 AM |
35 | HOWTO (R_H8500_IMM8, 0, 1, 8, FALSE, 0, |
36 | complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff, FALSE); | |
252b5132 RH |
37 | |
38 | static reloc_howto_type r_imm16 = | |
b34976b6 AM |
39 | HOWTO (R_H8500_IMM16, 0, 1, 16, FALSE, 0, |
40 | complain_overflow_bitfield, 0, "r_imm16", TRUE, 0x0000ffff, 0x0000ffff, FALSE); | |
252b5132 RH |
41 | |
42 | static reloc_howto_type r_imm24 = | |
b34976b6 AM |
43 | HOWTO (R_H8500_IMM24, 0, 1, 24, FALSE, 0, |
44 | complain_overflow_bitfield, 0, "r_imm24", TRUE, 0x00ffffff, 0x00ffffff, FALSE); | |
252b5132 RH |
45 | |
46 | static reloc_howto_type r_imm32 = | |
b34976b6 AM |
47 | HOWTO (R_H8500_IMM32, 0, 1, 32, FALSE, 0, |
48 | complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff, 0xffffffff, FALSE); | |
252b5132 | 49 | |
252b5132 | 50 | static reloc_howto_type r_high8 = |
b34976b6 AM |
51 | HOWTO (R_H8500_HIGH8, 0, 1, 8, FALSE, 0, |
52 | complain_overflow_dont, 0, "r_high8", TRUE, 0x000000ff, 0x000000ff, FALSE); | |
252b5132 RH |
53 | |
54 | static reloc_howto_type r_low16 = | |
b34976b6 AM |
55 | HOWTO (R_H8500_LOW16, 0, 1, 16, FALSE, 0, |
56 | complain_overflow_dont, 0, "r_low16", TRUE, 0x0000ffff, 0x0000ffff, FALSE); | |
252b5132 RH |
57 | |
58 | static reloc_howto_type r_pcrel8 = | |
b34976b6 | 59 | HOWTO (R_H8500_PCREL8, 0, 1, 8, TRUE, 0, complain_overflow_signed, 0, "r_pcrel8", TRUE, 0, 0, TRUE); |
252b5132 | 60 | |
252b5132 | 61 | static reloc_howto_type r_pcrel16 = |
b34976b6 | 62 | HOWTO (R_H8500_PCREL16, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "r_pcrel16", TRUE, 0, 0, TRUE); |
252b5132 RH |
63 | |
64 | static reloc_howto_type r_high16 = | |
b34976b6 AM |
65 | HOWTO (R_H8500_HIGH16, 0, 1, 8, FALSE, 0, |
66 | complain_overflow_dont, 0, "r_high16", TRUE, 0x000ffff, 0x0000ffff, FALSE); | |
f4ffd778 NC |
67 | \f |
68 | /* Turn a howto into a reloc number. */ | |
252b5132 | 69 | |
5fcfd273 | 70 | static int |
2c3fc389 | 71 | coff_h8500_select_reloc (reloc_howto_type *howto) |
252b5132 RH |
72 | { |
73 | return howto->type; | |
74 | } | |
75 | ||
76 | #define SELECT_RELOC(x,howto) x.r_type = coff_h8500_select_reloc(howto) | |
77 | ||
252b5132 RH |
78 | #define BADMAG(x) H8500BADMAG(x) |
79 | #define H8500 1 /* Customize coffcode.h */ | |
80 | ||
81 | #define __A_MAGIC_SET__ | |
82 | ||
f4ffd778 | 83 | /* Code to swap in the reloc. */ |
dc810e39 AM |
84 | #define SWAP_IN_RELOC_OFFSET H_GET_32 |
85 | #define SWAP_OUT_RELOC_OFFSET H_PUT_32 | |
252b5132 RH |
86 | #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \ |
87 | dst->r_stuff[0] = 'S'; \ | |
88 | dst->r_stuff[1] = 'C'; | |
89 | ||
f4ffd778 | 90 | /* Code to turn a r_type into a howto ptr, uses the above howto table. */ |
252b5132 RH |
91 | |
92 | static void | |
2c3fc389 | 93 | rtype2howto (arelent * internal, struct internal_reloc *dst) |
252b5132 RH |
94 | { |
95 | switch (dst->r_type) | |
96 | { | |
97 | default: | |
a1165289 | 98 | internal->howto = NULL; |
252b5132 RH |
99 | break; |
100 | case R_H8500_IMM8: | |
101 | internal->howto = &r_imm8; | |
102 | break; | |
103 | case R_H8500_IMM16: | |
104 | internal->howto = &r_imm16; | |
105 | break; | |
106 | case R_H8500_IMM24: | |
107 | internal->howto = &r_imm24; | |
108 | break; | |
109 | case R_H8500_IMM32: | |
110 | internal->howto = &r_imm32; | |
111 | break; | |
112 | case R_H8500_PCREL8: | |
113 | internal->howto = &r_pcrel8; | |
114 | break; | |
115 | case R_H8500_PCREL16: | |
116 | internal->howto = &r_pcrel16; | |
117 | break; | |
118 | case R_H8500_HIGH8: | |
119 | internal->howto = &r_high8; | |
120 | break; | |
121 | case R_H8500_HIGH16: | |
122 | internal->howto = &r_high16; | |
123 | break; | |
124 | case R_H8500_LOW16: | |
125 | internal->howto = &r_low16; | |
126 | break; | |
127 | } | |
128 | } | |
129 | ||
130 | #define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry) | |
131 | ||
f4ffd778 | 132 | /* Perform any necessary magic to the addend in a reloc entry. */ |
252b5132 | 133 | |
252b5132 RH |
134 | #define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \ |
135 | cache_ptr->addend = ext_reloc.r_offset; | |
136 | ||
252b5132 RH |
137 | #define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \ |
138 | reloc_processing(relent, reloc, symbols, abfd, section) | |
139 | ||
2c3fc389 NC |
140 | static void |
141 | reloc_processing (arelent * relent, | |
142 | struct internal_reloc *reloc, | |
143 | asymbol ** symbols, | |
144 | bfd * abfd, | |
145 | asection * section) | |
252b5132 RH |
146 | { |
147 | relent->address = reloc->r_vaddr; | |
148 | rtype2howto (relent, reloc); | |
149 | ||
150 | if (reloc->r_symndx > 0) | |
f4ffd778 | 151 | relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx]; |
252b5132 | 152 | else |
f4ffd778 | 153 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
252b5132 | 154 | |
252b5132 RH |
155 | relent->addend = reloc->r_offset; |
156 | relent->address -= section->vma; | |
157 | } | |
158 | ||
159 | static void | |
2c3fc389 NC |
160 | extra_case (bfd *in_abfd, |
161 | struct bfd_link_info *link_info, | |
162 | struct bfd_link_order *link_order, | |
163 | arelent *reloc, | |
164 | bfd_byte *data, | |
165 | unsigned int *src_ptr, | |
166 | unsigned int *dst_ptr) | |
252b5132 RH |
167 | { |
168 | bfd_byte *d = data+*dst_ptr; | |
169 | asection *input_section = link_order->u.indirect.section; | |
f4ffd778 | 170 | |
252b5132 RH |
171 | switch (reloc->howto->type) |
172 | { | |
173 | case R_H8500_IMM8: | |
174 | bfd_put_8 (in_abfd, | |
175 | bfd_coff_reloc16_get_value (reloc, link_info, input_section), | |
176 | d); | |
177 | (*dst_ptr) += 1; | |
178 | (*src_ptr) += 1; | |
179 | break; | |
180 | ||
181 | case R_H8500_HIGH8: | |
182 | bfd_put_8 (in_abfd, | |
183 | (bfd_coff_reloc16_get_value (reloc, link_info, input_section) | |
184 | >> 16), | |
f4ffd778 | 185 | d); |
252b5132 RH |
186 | (*dst_ptr) += 1; |
187 | (*src_ptr) += 1; | |
188 | break; | |
189 | ||
190 | case R_H8500_IMM16: | |
191 | bfd_put_16 (in_abfd, | |
192 | bfd_coff_reloc16_get_value (reloc, link_info, input_section), | |
f4ffd778 | 193 | d); |
252b5132 RH |
194 | (*dst_ptr) += 2; |
195 | (*src_ptr) += 2; | |
196 | break; | |
197 | ||
198 | case R_H8500_LOW16: | |
199 | bfd_put_16 (in_abfd, | |
200 | bfd_coff_reloc16_get_value (reloc, link_info, input_section), | |
201 | d); | |
202 | ||
203 | (*dst_ptr) += 2; | |
204 | (*src_ptr) += 2; | |
205 | break; | |
5fcfd273 | 206 | |
252b5132 RH |
207 | case R_H8500_HIGH16: |
208 | bfd_put_16 (in_abfd, | |
209 | (bfd_coff_reloc16_get_value (reloc, link_info, input_section) | |
f4ffd778 | 210 | >> 16), |
252b5132 RH |
211 | d); |
212 | ||
213 | (*dst_ptr) += 2; | |
214 | (*src_ptr) += 2; | |
215 | break; | |
216 | ||
217 | case R_H8500_IMM24: | |
218 | { | |
f4ffd778 | 219 | int v = bfd_coff_reloc16_get_value (reloc, link_info, input_section); |
6e301b2b | 220 | int o = bfd_get_32 (in_abfd, data+ *dst_ptr -1); |
252b5132 | 221 | v = (v & 0x00ffffff) | (o & 0xff00000); |
dc810e39 | 222 | bfd_put_32 (in_abfd, (bfd_vma) v, data + *dst_ptr -1); |
f4ffd778 | 223 | (*dst_ptr) += 3; |
5bb3703f | 224 | (*src_ptr) += 3; |
252b5132 RH |
225 | } |
226 | break; | |
227 | case R_H8500_IMM32: | |
228 | { | |
f4ffd778 | 229 | int v = bfd_coff_reloc16_get_value (reloc, link_info, input_section); |
dc810e39 | 230 | bfd_put_32 (in_abfd, (bfd_vma) v, data + *dst_ptr); |
f4ffd778 | 231 | (*dst_ptr) += 4; |
5bb3703f | 232 | (*src_ptr) += 4; |
252b5132 RH |
233 | } |
234 | break; | |
235 | ||
252b5132 RH |
236 | case R_H8500_PCREL8: |
237 | { | |
238 | bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, | |
239 | input_section); | |
44da2da1 AM |
240 | bfd_vma dot = (*dst_ptr |
241 | + input_section->output_offset | |
242 | + input_section->output_section->vma); | |
252b5132 | 243 | int gap = dst - dot - 1; /* -1 since were in the odd byte of the |
f4ffd778 | 244 | word and the pc's been incremented. */ |
252b5132 RH |
245 | |
246 | if (gap > 128 || gap < -128) | |
247 | { | |
248 | if (! ((*link_info->callbacks->reloc_overflow) | |
dfeffb9f L |
249 | (link_info, NULL, |
250 | bfd_asymbol_name (*reloc->sym_ptr_ptr), | |
252b5132 RH |
251 | reloc->howto->name, reloc->addend, input_section->owner, |
252 | input_section, reloc->address))) | |
253 | abort (); | |
254 | } | |
255 | bfd_put_8 (in_abfd, gap, data + *dst_ptr); | |
256 | (*dst_ptr)++; | |
257 | (*src_ptr)++; | |
258 | break; | |
259 | } | |
260 | case R_H8500_PCREL16: | |
261 | { | |
262 | bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, | |
263 | input_section); | |
44da2da1 AM |
264 | bfd_vma dot = (*dst_ptr |
265 | + input_section->output_offset | |
266 | + input_section->output_section->vma); | |
252b5132 | 267 | int gap = dst - dot - 1; /* -1 since were in the odd byte of the |
f4ffd778 | 268 | word and the pc's been incremented. */ |
252b5132 RH |
269 | |
270 | if (gap > 32767 || gap < -32768) | |
271 | { | |
272 | if (! ((*link_info->callbacks->reloc_overflow) | |
dfeffb9f L |
273 | (link_info, NULL, |
274 | bfd_asymbol_name (*reloc->sym_ptr_ptr), | |
252b5132 RH |
275 | reloc->howto->name, reloc->addend, input_section->owner, |
276 | input_section, reloc->address))) | |
277 | abort (); | |
278 | } | |
dc810e39 | 279 | bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr); |
f4ffd778 NC |
280 | (*dst_ptr) += 2; |
281 | (*src_ptr) += 2; | |
252b5132 RH |
282 | break; |
283 | } | |
284 | ||
285 | default: | |
286 | abort (); | |
287 | } | |
288 | } | |
289 | ||
290 | #define coff_reloc16_extra_cases extra_case | |
291 | ||
2b5c217d NC |
292 | #ifndef bfd_pe_print_pdata |
293 | #define bfd_pe_print_pdata NULL | |
294 | #endif | |
295 | ||
252b5132 RH |
296 | #include "coffcode.h" |
297 | ||
252b5132 RH |
298 | #undef coff_bfd_get_relocated_section_contents |
299 | #undef coff_bfd_relax_section | |
300 | #define coff_bfd_get_relocated_section_contents \ | |
301 | bfd_coff_reloc16_get_relocated_section_contents | |
302 | #define coff_bfd_relax_section bfd_coff_reloc16_relax_section | |
303 | ||
6d00b590 | 304 | CREATE_BIG_COFF_TARGET_VEC (h8500_coff_vec, "coff-h8500", 0, 0, '_', NULL, COFF_SWAP_TABLE) |