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0949843d | 1 | /* BFD back-end for National Semiconductor's CR16C ELF |
2571583a | 2 | Copyright (C) 2004-2017 Free Software Foundation, Inc. |
0949843d NC |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
0949843d NC |
9 | (at your option) any later version. |
10 | ||
11 | This program 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 this program; if not, write to the Free Software | |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
0949843d | 20 | |
0949843d | 21 | #include "sysdep.h" |
3db64b00 | 22 | #include "bfd.h" |
0949843d NC |
23 | #include "libbfd.h" |
24 | #include "bfdlink.h" | |
25 | #include "elf/cr16c.h" | |
26 | #include "elf-bfd.h" | |
27 | ||
28 | ||
29 | #define USE_REL 1 /* CR16C uses REL relocations instead of RELA. */ | |
30 | ||
68ffbac6 | 31 | /* The following definition is based on EMPTY_HOWTO macro, |
0949843d NC |
32 | but also initiates the "name" field in HOWTO struct. */ |
33 | #define ONLY_NAME_HOWTO(C) \ | |
34 | HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \ | |
35 | STRINGX(C), FALSE, 0, 0, FALSE) | |
36 | ||
37 | /* reloc_map_index array maps CRASM relocation type into a BFD | |
68ffbac6 | 38 | relocation enum. The array's indices are synchronized with |
0949843d NC |
39 | RINDEX_16C_* indices, created in include/elf/cr16c.h. |
40 | The array is used in: | |
41 | 1. elf32-cr16c.c : elf_cr16c_reloc_type_lookup(). | |
42 | 2. asreloc.c : find_reloc_type(). */ | |
43 | ||
44 | RELOC_MAP reloc_map_index[RINDEX_16C_MAX] = | |
45 | { | |
46 | {R_16C_NUM08, BFD_RELOC_16C_NUM08}, | |
47 | {R_16C_NUM08_C, BFD_RELOC_16C_NUM08_C}, | |
48 | {R_16C_NUM16, BFD_RELOC_16C_NUM16}, | |
49 | {R_16C_NUM16_C, BFD_RELOC_16C_NUM16_C}, | |
50 | {R_16C_NUM32, BFD_RELOC_16C_NUM32}, | |
51 | {R_16C_NUM32_C, BFD_RELOC_16C_NUM32_C}, | |
52 | {R_16C_DISP04, BFD_RELOC_16C_DISP04}, | |
53 | {R_16C_DISP04_C, BFD_RELOC_16C_DISP04_C}, | |
54 | {R_16C_DISP08, BFD_RELOC_16C_DISP08}, | |
55 | {R_16C_DISP08_C, BFD_RELOC_16C_DISP08_C}, | |
56 | {R_16C_DISP16, BFD_RELOC_16C_DISP16}, | |
57 | {R_16C_DISP16_C, BFD_RELOC_16C_DISP16_C}, | |
58 | {R_16C_DISP24, BFD_RELOC_16C_DISP24}, | |
59 | {R_16C_DISP24_C, BFD_RELOC_16C_DISP24_C}, | |
60 | {R_16C_DISP24a, BFD_RELOC_16C_DISP24a}, | |
61 | {R_16C_DISP24a_C, BFD_RELOC_16C_DISP24a_C}, | |
62 | {R_16C_REG04, BFD_RELOC_16C_REG04}, | |
63 | {R_16C_REG04_C, BFD_RELOC_16C_REG04_C}, | |
64 | {R_16C_REG04a, BFD_RELOC_16C_REG04a}, | |
65 | {R_16C_REG04a_C, BFD_RELOC_16C_REG04a_C}, | |
66 | {R_16C_REG14, BFD_RELOC_16C_REG14}, | |
67 | {R_16C_REG14_C, BFD_RELOC_16C_REG14_C}, | |
68 | {R_16C_REG16, BFD_RELOC_16C_REG16}, | |
69 | {R_16C_REG16_C, BFD_RELOC_16C_REG16_C}, | |
70 | {R_16C_REG20, BFD_RELOC_16C_REG20}, | |
71 | {R_16C_REG20_C, BFD_RELOC_16C_REG20_C}, | |
72 | {R_16C_ABS20, BFD_RELOC_16C_ABS20}, | |
73 | {R_16C_ABS20_C, BFD_RELOC_16C_ABS20_C}, | |
74 | {R_16C_ABS24, BFD_RELOC_16C_ABS24}, | |
75 | {R_16C_ABS24_C, BFD_RELOC_16C_ABS24_C}, | |
76 | {R_16C_IMM04, BFD_RELOC_16C_IMM04}, | |
77 | {R_16C_IMM04_C, BFD_RELOC_16C_IMM04_C}, | |
78 | {R_16C_IMM16, BFD_RELOC_16C_IMM16}, | |
79 | {R_16C_IMM16_C, BFD_RELOC_16C_IMM16_C}, | |
80 | {R_16C_IMM20, BFD_RELOC_16C_IMM20}, | |
81 | {R_16C_IMM20_C, BFD_RELOC_16C_IMM20_C}, | |
82 | {R_16C_IMM24, BFD_RELOC_16C_IMM24}, | |
83 | {R_16C_IMM24_C, BFD_RELOC_16C_IMM24_C}, | |
84 | {R_16C_IMM32, BFD_RELOC_16C_IMM32}, | |
85 | {R_16C_IMM32_C, BFD_RELOC_16C_IMM32_C} | |
86 | }; | |
87 | ||
88 | static reloc_howto_type elf_howto_table[] = | |
89 | { | |
90 | /* 00 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM08), | |
91 | /* 01 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM08_C), | |
92 | /* 02 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM16), | |
93 | /* 03 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM16_C), | |
94 | /* 04 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM32), | |
95 | /* 05 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM32_C), | |
96 | /* 06 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP04), | |
97 | /* 07 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP04_C), | |
98 | /* 08 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP08), | |
99 | /* 09 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP08_C), | |
100 | /* 10 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP16), | |
101 | /* 11 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP16_C), | |
102 | /* 12 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24), | |
103 | /* 13 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24_C), | |
104 | /* 14 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24a), | |
105 | /* 15 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24a_C), | |
106 | /* 16 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04), | |
107 | /* 17 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04_C), | |
108 | /* 18 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04a), | |
109 | /* 19 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04a_C), | |
110 | /* 20 */ ONLY_NAME_HOWTO (RINDEX_16C_REG14), | |
111 | /* 21 */ ONLY_NAME_HOWTO (RINDEX_16C_REG14_C), | |
112 | /* 22 */ ONLY_NAME_HOWTO (RINDEX_16C_REG16), | |
113 | /* 23 */ ONLY_NAME_HOWTO (RINDEX_16C_REG16_C), | |
114 | /* 24 */ ONLY_NAME_HOWTO (RINDEX_16C_REG20), | |
115 | /* 25 */ ONLY_NAME_HOWTO (RINDEX_16C_REG20_C), | |
116 | /* 26 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS20), | |
117 | /* 27 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS20_C), | |
118 | /* 28 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS24), | |
119 | /* 29 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS24_C), | |
120 | /* 30 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM04), | |
121 | /* 31 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM04_C), | |
122 | /* 32 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM16), | |
123 | /* 33 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM16_C), | |
124 | /* 34 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM20), | |
125 | /* 35 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM20_C), | |
126 | /* 36 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM24), | |
127 | /* 37 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM24_C), | |
128 | /* 38 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM32), | |
129 | /* 39 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM32_C) | |
130 | }; | |
131 | ||
132 | ||
133 | /* Code to turn a code_type into a howto ptr, uses the above howto table. */ | |
134 | ||
135 | static reloc_howto_type * | |
136 | elf_cr16c_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
137 | bfd_reloc_code_real_type code) | |
138 | { | |
139 | unsigned int i; | |
140 | ||
141 | for (i = 0; i < RINDEX_16C_MAX; i++) | |
142 | { | |
143 | if (code == reloc_map_index[i].bfd_reloc_enum) | |
144 | { | |
145 | /* printf ("CR16C Relocation Type is - %x\n", code); */ | |
146 | return & elf_howto_table[i]; | |
147 | } | |
148 | } | |
149 | ||
150 | /* printf ("This relocation Type is not supported - %x\n", code); */ | |
151 | return 0; | |
152 | } | |
153 | ||
157090f7 AM |
154 | static reloc_howto_type * |
155 | elf_cr16c_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
156 | const char *r_name) | |
157 | { | |
158 | unsigned int i; | |
159 | ||
160 | for (i = 0; i < sizeof (elf_howto_table) / sizeof (elf_howto_table[0]); i++) | |
161 | if (elf_howto_table[i].name != NULL | |
162 | && strcasecmp (elf_howto_table[i].name, r_name) == 0) | |
163 | return &elf_howto_table[i]; | |
164 | ||
165 | return NULL; | |
166 | } | |
167 | ||
0949843d NC |
168 | static void |
169 | elf_cr16c_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, | |
170 | arelent *cache_ptr ATTRIBUTE_UNUSED, | |
171 | Elf_Internal_Rela *dst ATTRIBUTE_UNUSED) | |
172 | { | |
173 | abort (); | |
174 | } | |
175 | ||
176 | static void | |
177 | elf_cr16c_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, | |
178 | arelent *cache_ptr, | |
179 | Elf_Internal_Rela *dst) | |
180 | { | |
181 | unsigned int r_type = ELF32_R_TYPE (dst->r_info); | |
182 | ||
5860e3f8 NC |
183 | if (r_type >= RINDEX_16C_MAX) |
184 | { | |
695344c0 | 185 | /* xgettext:c-format */ |
64d29018 | 186 | _bfd_error_handler (_("%B: invalid CR16C reloc number: %d"), abfd, r_type); |
5860e3f8 NC |
187 | r_type = 0; |
188 | } | |
0949843d NC |
189 | cache_ptr->howto = &elf_howto_table[r_type]; |
190 | } | |
191 | ||
192 | /* Perform a relocation as part of a final link. */ | |
193 | ||
194 | static bfd_reloc_status_type | |
195 | cr16c_elf_final_link_relocate (reloc_howto_type *howto, | |
196 | bfd *abfd, | |
197 | bfd *output_bfd ATTRIBUTE_UNUSED, | |
198 | asection *input_section, | |
199 | bfd_byte *data, | |
200 | bfd_vma octets, | |
201 | bfd_vma Rvalue, | |
202 | bfd_vma addend ATTRIBUTE_UNUSED, | |
203 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
204 | asection *sym_sec ATTRIBUTE_UNUSED, | |
205 | int is_local ATTRIBUTE_UNUSED) | |
206 | { | |
207 | long value; | |
208 | short sword; /* Extracted from the hole and put back. */ | |
209 | unsigned long format, addr_type, code_factor; | |
210 | unsigned short size; | |
211 | unsigned short r_type; | |
0949843d NC |
212 | |
213 | unsigned long disp20_opcod; | |
214 | char neg = 0; | |
215 | char neg2pos = 0; | |
216 | ||
217 | long left_val = 0; | |
218 | long plus_factor = 0; /* To be added to the hole. */ | |
219 | ||
220 | #define MIN_BYTE ((int) 0xFFFFFF80) | |
221 | #define MIN_WORD ((int) 0xFFFF8000) | |
222 | #define MAX_UWORD ((unsigned) 0x0000FFFF) | |
223 | #define MAX_UBYTE ((unsigned) 0x000000FF) | |
224 | ||
225 | r_type = reloc_map_index[howto->type].cr_reloc_type; | |
226 | format = r_type & R_FORMAT; | |
227 | size = r_type & R_SIZESP; | |
228 | addr_type = r_type & R_ADDRTYPE; | |
229 | code_factor = ((addr_type == R_CODE_ADDR) ? 1 : 0); | |
230 | ||
0949843d NC |
231 | switch (format) |
232 | { | |
233 | case R_NUMBER: | |
234 | switch (size) | |
235 | { | |
236 | case R_S_16C_08: /* One byte. */ | |
237 | value = bfd_get_8 (abfd, (char *) data + octets); | |
238 | break; | |
239 | case R_S_16C_16: /* Two bytes. */ | |
240 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
241 | value = sword; | |
242 | break; | |
243 | case R_S_16C_32: /* Four bytes. */ | |
244 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
245 | break; | |
246 | default: | |
247 | return bfd_reloc_notsupported; | |
248 | } | |
249 | break; | |
250 | ||
251 | case R_16C_DISPL: | |
252 | switch (size) | |
253 | { | |
254 | case R_S_16C_04: /* word1(4-7). */ | |
255 | value = bfd_get_8 (abfd, (char *) data + octets); | |
256 | left_val = value & 0xF; | |
257 | value = (value & 0xF0) >> 4; | |
258 | value++; | |
259 | value <<= 1; | |
260 | break; | |
261 | case R_S_16C_08: /* word1(0-3,8-11). */ | |
262 | sword = bfd_get_16 (abfd, (char *) data + octets); | |
263 | value = sword & 0x000F; | |
264 | value |= ((sword & 0x0F00) >> 4); | |
265 | left_val = sword & 0xF0F0; | |
266 | value <<= 1; | |
267 | if (value & 0x100) | |
268 | value |= 0xFFFFFF00; | |
269 | break; | |
270 | case R_S_16C_16: /* word2. */ | |
271 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
272 | value = sword; | |
273 | value = ((value & 0xFFFE) >> 1) | ((value & 0x1) << 15); | |
274 | value <<= 1; | |
275 | if (value & 0x10000) | |
276 | value |= 0xFFFF0000; | |
277 | break; | |
278 | case R_S_16C_24_a: /* word1(0-7),word2. */ | |
279 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
280 | left_val = value & 0x0000FF00; | |
281 | value = ((value & 0xFFFE0000) >> 17) | | |
282 | ((value & 0x00010000) << 7) | ((value & 0x000000FF) << 15); | |
283 | value <<= 1; | |
284 | if (value & 0x1000000) | |
285 | value |= 0xFE000000; | |
286 | break; | |
287 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ | |
288 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
289 | left_val = value & 0x0000F0F0; | |
290 | value = ((value >> 16) & 0x0000FFFF) | | |
291 | ((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20); | |
292 | ||
293 | value = ((value & 0x00FFFFFE) >> 1) | ((value & 0x00000001) << 23); | |
294 | ||
295 | value <<= 1; | |
296 | if (value & 0x1000000) | |
297 | value |= 0xFE000000; | |
298 | break; | |
299 | default: | |
300 | return bfd_reloc_notsupported; | |
301 | } | |
302 | break; | |
303 | ||
304 | case R_16C_REGREL: | |
305 | switch (size) | |
306 | { | |
307 | case R_S_16C_04: /* word1(12-15) not scaled. */ | |
308 | value = bfd_get_8 (abfd, (char *) data + octets); | |
309 | left_val = value & 0xF0; | |
310 | value = value & 0xF; | |
311 | break; | |
312 | case R_S_16C_04_a: /* word1(12-15) scaled by 2. */ | |
313 | value = bfd_get_8 (abfd, (char *) data + octets); | |
314 | left_val = value & 0xF0; | |
315 | value = value & 0xF; | |
316 | value <<= 1; | |
317 | break; | |
318 | case R_S_16C_14: /* word1(4-5),word2(0-3,8-15). */ | |
319 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
320 | left_val = value & 0x00F0FFCF; | |
321 | value = ((value & 0xc0000000) >> 24) | | |
322 | ((value & 0x3F000000) >> 16) | | |
323 | ((value & 0x000F0000) >> 16) | (value & 0x00000030); | |
324 | break; | |
325 | case R_S_16C_16: /* word2. */ | |
326 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
327 | value = sword; | |
328 | break; | |
329 | case R_S_16C_20: /* word2(8-11),word3. */ | |
330 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
331 | left_val = value & 0xF0; | |
332 | value = (value & 0xF) << 16; | |
333 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets + 1); | |
334 | value = value | (unsigned short) sword; | |
335 | disp20_opcod = bfd_get_32 (abfd, (bfd_byte *) data + octets - 3); | |
336 | disp20_opcod |= 0x0FFF0000; | |
337 | if ((disp20_opcod == 0x4FFF0018) || /* loadb -disp20(reg) */ | |
338 | (disp20_opcod == 0x5FFF0018) || /* loadb -disp20(rp) */ | |
339 | (disp20_opcod == 0x8FFF0018) || /* loadd -disp20(reg) */ | |
340 | (disp20_opcod == 0x9FFF0018) || /* loadd -disp20(rp) */ | |
341 | (disp20_opcod == 0xCFFF0018) || /* loadw -disp20(reg) */ | |
342 | (disp20_opcod == 0xDFFF0018) || /* loadw -disp20(rp) */ | |
343 | (disp20_opcod == 0x4FFF0019) || /* storb -disp20(reg) */ | |
344 | (disp20_opcod == 0x5FFF0019) || /* storb -disp20(rp) */ | |
345 | (disp20_opcod == 0x8FFF0019) || /* stord -disp20(reg) */ | |
346 | (disp20_opcod == 0x9FFF0019) || /* stord -disp20(rp) */ | |
347 | (disp20_opcod == 0xCFFF0019) || /* storw -disp20(reg) */ | |
348 | (disp20_opcod == 0xDFFF0019)) | |
349 | { /* storw -disp20(rp). */ | |
350 | neg = 1; | |
351 | value |= 0xFFF00000; | |
352 | } | |
353 | ||
354 | break; | |
355 | default: | |
356 | return bfd_reloc_notsupported; | |
357 | } | |
358 | break; | |
359 | ||
360 | case R_16C_ABS: | |
361 | switch (size) | |
362 | { | |
363 | case R_S_16C_20: /* word1(0-3),word2. */ | |
364 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
365 | left_val = value & 0x0000FFF0; | |
366 | value = ((value & 0xFFFF0000) >> 16) | | |
367 | ((value & 0x0000000F) << 16); | |
368 | break; | |
369 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ | |
370 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
371 | left_val = value & 0x0000F0F0; | |
372 | value = ((value & 0xFFFF0000) >> 16) | | |
373 | ((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20); | |
374 | break; | |
375 | default: | |
376 | return bfd_reloc_notsupported; | |
377 | } | |
378 | break; | |
379 | ||
380 | case R_16C_IMMED: | |
381 | switch (size) | |
382 | { | |
383 | case R_S_16C_04: /* word1/2(4-7). */ | |
384 | value = bfd_get_8 (abfd, (char *) data + octets); | |
385 | left_val = value & 0xF; | |
386 | value = (value & 0xF0) >> 4; | |
387 | break; | |
388 | case R_S_16C_16: /* word2. */ | |
389 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
390 | value = sword; | |
391 | break; | |
392 | case R_S_16C_20: /* word1(0-3),word2. */ | |
393 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
394 | left_val = value & 0x0000FFF0; | |
395 | value = ((value & 0xFFFF0000) >> 16) | | |
396 | ((value & 0x0000000F) << 16); | |
397 | break; | |
398 | case R_S_16C_32: /* word2, word3. */ | |
399 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
400 | value = ((value & 0x0000FFFF) << 16) | | |
401 | ((value & 0xFFFF0000) >> 16); | |
402 | break; | |
403 | default: | |
404 | return bfd_reloc_notsupported; | |
405 | } | |
406 | break; | |
407 | default: | |
408 | return bfd_reloc_notsupported; | |
409 | } | |
410 | ||
411 | switch ((r_type & R_RELTO) >> 4) | |
412 | { | |
413 | ||
414 | case 0: /* R_ABS. */ | |
415 | plus_factor = Rvalue; | |
416 | break; | |
417 | case 1: /* R_PCREL. */ | |
418 | plus_factor = Rvalue - | |
419 | (input_section->output_section->vma + input_section->output_offset); | |
420 | break; | |
421 | default: | |
422 | return bfd_reloc_notsupported; | |
423 | } | |
424 | ||
425 | if (neg) | |
426 | { | |
427 | if (plus_factor >= -value) | |
428 | neg2pos = 1; | |
429 | /* We need to change load/stor with negative | |
430 | displ opcode to positive disp opcode (CR16C). */ | |
431 | } | |
432 | ||
433 | value = value + (plus_factor >> code_factor); | |
434 | ||
435 | switch (format) | |
436 | { | |
437 | case R_NUMBER: | |
438 | switch (size) | |
439 | { | |
440 | case R_S_16C_08: /* One byte. */ | |
441 | if (value > (int) MAX_UBYTE || value < MIN_BYTE) | |
442 | return bfd_reloc_overflow; | |
443 | value &= 0xFF; | |
444 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 445 | break; |
90e868ac | 446 | |
0949843d NC |
447 | case R_S_16C_16: /* Two bytes. */ |
448 | if (value > (int) MAX_UWORD || value < MIN_WORD) | |
449 | return bfd_reloc_overflow; | |
450 | value &= 0xFFFF; | |
451 | sword = value; | |
452 | bfd_put_16 (abfd, (bfd_vma) sword, | |
453 | (unsigned char *) data + octets); | |
0949843d | 454 | break; |
90e868ac | 455 | |
0949843d NC |
456 | case R_S_16C_32: /* Four bytes. */ |
457 | value &= 0xFFFFFFFF; | |
458 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 459 | break; |
90e868ac | 460 | |
0949843d NC |
461 | default: |
462 | return bfd_reloc_notsupported; | |
463 | } | |
464 | break; | |
465 | ||
466 | case R_16C_DISPL: | |
467 | switch (size) | |
468 | { | |
469 | case R_S_16C_04: /* word1(4-7). */ | |
470 | if ((value - 32) > 32 || value < 2) | |
471 | return bfd_reloc_overflow; | |
472 | value >>= 1; | |
473 | value--; | |
474 | value &= 0xF; | |
475 | value <<= 4; | |
476 | value |= left_val; | |
477 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 478 | break; |
90e868ac | 479 | |
0949843d NC |
480 | case R_S_16C_08: /* word1(0-3,8-11). */ |
481 | if (value > 255 || value < -256 || value == 0x80) | |
482 | return bfd_reloc_overflow; | |
483 | value &= 0x1FF; | |
484 | value >>= 1; | |
485 | sword = value & 0x000F; | |
486 | sword |= (value & 0x00F0) << 4; | |
487 | sword |= left_val; | |
488 | bfd_put_16 (abfd, (bfd_vma) sword, | |
489 | (unsigned char *) data + octets); | |
0949843d | 490 | break; |
90e868ac | 491 | |
0949843d NC |
492 | case R_S_16C_16: /* word2. */ |
493 | if (value > 65535 || value < -65536) | |
494 | return bfd_reloc_overflow; | |
495 | value >>= 1; | |
496 | value &= 0xFFFF; | |
497 | value = ((value & 0x8000) >> 15) | ((value & 0x7FFF) << 1); | |
498 | sword = value; | |
499 | bfd_put_16 (abfd, (bfd_vma) sword, | |
500 | (unsigned char *) data + octets); | |
0949843d | 501 | break; |
90e868ac | 502 | |
0949843d NC |
503 | case R_S_16C_24_a: /* word1(0-7),word2. */ |
504 | if (value > 16777215 || value < -16777216) | |
505 | return bfd_reloc_overflow; | |
506 | value &= 0x1FFFFFF; | |
507 | value >>= 1; | |
508 | value = ((value & 0x00007FFF) << 17) | | |
509 | ((value & 0x00800000) >> 7) | ((value & 0x007F8000) >> 15); | |
510 | value |= left_val; | |
511 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 512 | break; |
90e868ac | 513 | |
0949843d NC |
514 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
515 | if (value > 16777215 || value < -16777216) | |
516 | return bfd_reloc_overflow; | |
517 | value &= 0x1FFFFFF; | |
518 | value >>= 1; | |
519 | ||
520 | value = ((value & 0x007FFFFF) << 1) | ((value & 0x00800000) >> 23); | |
521 | ||
522 | value = ((value & 0x0000FFFF) << 16) | | |
523 | ((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20); | |
524 | value |= left_val; | |
525 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 526 | break; |
90e868ac | 527 | |
0949843d NC |
528 | default: |
529 | return bfd_reloc_notsupported; | |
530 | } | |
531 | break; | |
532 | ||
533 | case R_16C_REGREL: | |
534 | switch (size) | |
535 | { | |
536 | case R_S_16C_04: /* word1(12-15) not scaled. */ | |
537 | if (value > 13 || value < 0) | |
538 | return bfd_reloc_overflow; | |
539 | value &= 0xF; | |
540 | value |= left_val; | |
541 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 542 | break; |
90e868ac | 543 | |
0949843d NC |
544 | case R_S_16C_04_a: /* word1(12-15) not scaled. */ |
545 | if (value > 26 || value < 0) | |
546 | return bfd_reloc_overflow; | |
547 | value &= 0x1F; | |
548 | value >>= 1; | |
549 | value |= left_val; | |
550 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 551 | break; |
90e868ac | 552 | |
0949843d NC |
553 | case R_S_16C_14: /* word1(4-5),word2(0-3,8-15). */ |
554 | if (value < 0 || value > 16383) | |
555 | return bfd_reloc_overflow; | |
556 | value &= 0x3FFF; | |
557 | value = ((value & 0x000000c0) << 24) | | |
558 | ((value & 0x00003F00) << 16) | | |
559 | ((value & 0x0000000F) << 16) | (value & 0x00000030); | |
560 | value |= left_val; | |
561 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 562 | break; |
90e868ac | 563 | |
0949843d NC |
564 | case R_S_16C_16: /* word2. */ |
565 | if (value > 65535 || value < 0) | |
566 | return bfd_reloc_overflow; | |
567 | value &= 0xFFFF; | |
568 | sword = value; | |
569 | bfd_put_16 (abfd, (bfd_vma) sword, | |
570 | (unsigned char *) data + octets); | |
0949843d | 571 | break; |
90e868ac | 572 | |
0949843d NC |
573 | case R_S_16C_20: /* word2(8-11),word3. */ |
574 | /* if (value > 1048575 || value < 0) RELOC_ERROR(1); */ | |
575 | value &= 0xFFFFF; | |
576 | sword = value & 0x0000FFFF; | |
577 | value = (value & 0x000F0000) >> 16; | |
578 | value |= left_val; | |
579 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
580 | bfd_put_16 (abfd, (bfd_vma) sword, | |
581 | (unsigned char *) data + octets + 1); | |
582 | if (neg2pos) | |
583 | { | |
584 | /* Change load/stor negative displ opcode | |
585 | to load/stor positive displ opcode. */ | |
586 | value = bfd_get_8 (abfd, (char *) data + octets - 3); | |
587 | value &= 0xF7; | |
588 | value |= 0x2; | |
589 | bfd_put_8 (abfd, (bfd_vma) value, | |
590 | (unsigned char *) data + octets - 3); | |
591 | } | |
0949843d | 592 | break; |
90e868ac | 593 | |
0949843d NC |
594 | default: |
595 | return bfd_reloc_notsupported; | |
596 | } | |
597 | break; | |
598 | ||
599 | case R_16C_ABS: | |
600 | switch (size) | |
601 | { | |
602 | case R_S_16C_20: /* word1(0-3),word2. */ | |
603 | if (value > 1048575 || value < 0) | |
604 | return bfd_reloc_overflow; | |
605 | value &= 0xFFFFF; | |
606 | value = ((value & 0x0000FFFF) << 16) | | |
607 | ((value & 0x000F0000) >> 16); | |
608 | value |= left_val; | |
609 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 610 | break; |
90e868ac | 611 | |
0949843d NC |
612 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
613 | /* if (value > 16777215 || value < 0) RELOC_ERROR(1); */ | |
614 | value &= 0xFFFFFF; | |
615 | value = ((value & 0x0000FFFF) << 16) | | |
616 | ((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20); | |
617 | value |= left_val; | |
618 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 619 | break; |
90e868ac | 620 | |
0949843d NC |
621 | default: |
622 | return bfd_reloc_notsupported; | |
623 | } | |
624 | break; | |
625 | ||
626 | case R_16C_IMMED: | |
627 | switch (size) | |
628 | { | |
629 | case R_S_16C_04: /* word1/2(4-7). */ | |
630 | if (value > 15 || value < -1) | |
631 | return bfd_reloc_overflow; | |
632 | value &= 0xF; | |
633 | value <<= 4; | |
634 | value |= left_val; | |
635 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 636 | break; |
90e868ac | 637 | |
0949843d NC |
638 | case R_S_16C_16: /* word2. */ |
639 | if (value > 32767 || value < -32768) | |
640 | return bfd_reloc_overflow; | |
641 | value &= 0xFFFF; | |
642 | sword = value; | |
643 | bfd_put_16 (abfd, (bfd_vma) sword, | |
644 | (unsigned char *) data + octets); | |
0949843d | 645 | break; |
90e868ac | 646 | |
0949843d NC |
647 | case R_S_16C_20: /* word1(0-3),word2. */ |
648 | if (value > 1048575 || value < 0) | |
649 | return bfd_reloc_overflow; | |
650 | value &= 0xFFFFF; | |
651 | value = ((value & 0x0000FFFF) << 16) | | |
652 | ((value & 0x000F0000) >> 16); | |
653 | value |= left_val; | |
654 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 655 | break; |
90e868ac | 656 | |
0949843d NC |
657 | case R_S_16C_32: /* word2, word3. */ |
658 | value &= 0xFFFFFFFF; | |
659 | value = ((value & 0x0000FFFF) << 16) | | |
660 | ((value & 0xFFFF0000) >> 16); | |
661 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 662 | break; |
90e868ac | 663 | |
0949843d NC |
664 | default: |
665 | return bfd_reloc_notsupported; | |
666 | } | |
667 | break; | |
668 | default: | |
669 | return bfd_reloc_notsupported; | |
670 | } | |
90e868ac NC |
671 | |
672 | return bfd_reloc_ok; | |
0949843d NC |
673 | } |
674 | ||
675 | /* Relocate a CR16C ELF section. */ | |
676 | ||
677 | static bfd_boolean | |
678 | elf32_cr16c_relocate_section (bfd *output_bfd, | |
679 | struct bfd_link_info *info, | |
680 | bfd *input_bfd, | |
681 | asection *input_section, | |
682 | bfd_byte *contents, | |
683 | Elf_Internal_Rela *relocs, | |
684 | Elf_Internal_Sym *local_syms, | |
685 | asection **local_sections) | |
686 | { | |
687 | Elf_Internal_Shdr *symtab_hdr; | |
688 | struct elf_link_hash_entry **sym_hashes; | |
689 | Elf_Internal_Rela *rel, *relend; | |
690 | ||
691 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
692 | sym_hashes = elf_sym_hashes (input_bfd); | |
693 | ||
694 | rel = relocs; | |
695 | relend = relocs + input_section->reloc_count; | |
696 | for (; rel < relend; rel++) | |
697 | { | |
698 | int r_type; | |
699 | reloc_howto_type *howto; | |
700 | unsigned long r_symndx; | |
701 | Elf_Internal_Sym *sym; | |
702 | asection *sec; | |
703 | struct elf_link_hash_entry *h; | |
704 | bfd_vma relocation; | |
705 | bfd_reloc_status_type r; | |
706 | ||
707 | r_symndx = ELF32_R_SYM (rel->r_info); | |
708 | r_type = ELF32_R_TYPE (rel->r_info); | |
709 | howto = elf_howto_table + r_type; | |
710 | ||
0949843d NC |
711 | h = NULL; |
712 | sym = NULL; | |
713 | sec = NULL; | |
714 | if (r_symndx < symtab_hdr->sh_info) | |
715 | { | |
716 | sym = local_syms + r_symndx; | |
717 | sec = local_sections[r_symndx]; | |
718 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
719 | } | |
720 | else | |
721 | { | |
62d887d4 | 722 | bfd_boolean unresolved_reloc, warned, ignored; |
a4d7b4b5 L |
723 | |
724 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, | |
725 | r_symndx, symtab_hdr, sym_hashes, | |
726 | h, sec, relocation, | |
62d887d4 | 727 | unresolved_reloc, warned, ignored); |
0949843d NC |
728 | } |
729 | ||
dbaa2011 | 730 | if (sec != NULL && discarded_section (sec)) |
e4067dbb | 731 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 732 | rel, 1, relend, howto, 0, contents); |
ab96bf03 | 733 | |
0e1862bb | 734 | if (bfd_link_relocatable (info)) |
ab96bf03 AM |
735 | { |
736 | /* This is a relocatable link. We don't have to change | |
737 | anything, unless the reloc is against a section symbol, | |
738 | in which case we have to adjust according to where the | |
739 | section symbol winds up in the output section. */ | |
740 | if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
741 | rel->r_addend += sec->output_offset; | |
742 | continue; | |
743 | } | |
744 | ||
0949843d NC |
745 | r = cr16c_elf_final_link_relocate (howto, input_bfd, output_bfd, |
746 | input_section, | |
747 | contents, rel->r_offset, | |
748 | relocation, rel->r_addend, | |
749 | info, sec, h == NULL); | |
750 | ||
751 | if (r != bfd_reloc_ok) | |
752 | { | |
753 | const char *name; | |
754 | const char *msg = (const char *) 0; | |
755 | ||
756 | if (h != NULL) | |
757 | name = h->root.root.string; | |
758 | else | |
759 | { | |
760 | name = (bfd_elf_string_from_elf_section | |
761 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
762 | if (name == NULL || *name == '\0') | |
763 | name = bfd_section_name (input_bfd, sec); | |
764 | } | |
765 | ||
766 | switch (r) | |
767 | { | |
768 | case bfd_reloc_overflow: | |
1a72702b AM |
769 | (*info->callbacks->reloc_overflow) |
770 | (info, (h ? &h->root : NULL), name, howto->name, | |
771 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
0949843d NC |
772 | break; |
773 | ||
774 | case bfd_reloc_undefined: | |
1a72702b AM |
775 | (*info->callbacks->undefined_symbol) |
776 | (info, name, input_bfd, input_section, rel->r_offset, TRUE); | |
0949843d NC |
777 | break; |
778 | ||
779 | case bfd_reloc_outofrange: | |
780 | msg = _("internal error: out of range error"); | |
781 | goto common_error; | |
782 | ||
783 | case bfd_reloc_notsupported: | |
784 | msg = _("internal error: unsupported relocation error"); | |
785 | goto common_error; | |
786 | ||
787 | case bfd_reloc_dangerous: | |
788 | msg = _("internal error: dangerous error"); | |
789 | goto common_error; | |
790 | ||
791 | default: | |
792 | msg = _("internal error: unknown error"); | |
793 | /* fall through */ | |
794 | ||
795 | common_error: | |
1a72702b AM |
796 | (*info->callbacks->warning) (info, msg, name, input_bfd, |
797 | input_section, rel->r_offset); | |
0949843d NC |
798 | break; |
799 | } | |
800 | } | |
801 | } | |
802 | ||
803 | return TRUE; | |
804 | } | |
805 | ||
0949843d NC |
806 | /* CR16C ELF uses three common sections: |
807 | One is for default common symbols (placed in usual common section). | |
808 | Second is for near common symbols (placed in "ncommon" section). | |
809 | Third is for far common symbols (placed in "fcommon" section). | |
810 | The following implementation is based on elf32-mips architecture */ | |
811 | ||
812 | static asection cr16c_elf_fcom_section; | |
813 | static asymbol cr16c_elf_fcom_symbol; | |
814 | static asymbol * cr16c_elf_fcom_symbol_ptr; | |
815 | static asection cr16c_elf_ncom_section; | |
816 | static asymbol cr16c_elf_ncom_symbol; | |
817 | static asymbol * cr16c_elf_ncom_symbol_ptr; | |
818 | ||
819 | /* Given a BFD section, try to locate the | |
820 | corresponding ELF section index. */ | |
821 | ||
822 | static bfd_boolean | |
823 | elf32_cr16c_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, | |
824 | asection *sec, | |
825 | int *retval) | |
826 | { | |
827 | if (strcmp (bfd_get_section_name (abfd, sec), ".fcommon") == 0) | |
828 | *retval = SHN_CR16C_FCOMMON; | |
829 | else if (strcmp (bfd_get_section_name (abfd, sec), ".ncommon") == 0) | |
830 | *retval = SHN_CR16C_NCOMMON; | |
831 | else | |
832 | return FALSE; | |
833 | ||
834 | return TRUE; | |
835 | } | |
836 | ||
837 | /* Handle the special CR16C section numbers that a symbol may use. */ | |
838 | ||
839 | static void | |
840 | elf32_cr16c_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, | |
841 | asymbol *asym) | |
842 | { | |
843 | elf_symbol_type *elfsym = (elf_symbol_type *) asym; | |
844 | unsigned int indx; | |
845 | ||
846 | indx = elfsym->internal_elf_sym.st_shndx; | |
847 | ||
848 | switch (indx) | |
849 | { | |
850 | case SHN_CR16C_FCOMMON: | |
851 | if (cr16c_elf_fcom_section.name == NULL) | |
852 | { | |
853 | /* Initialize the far common section. */ | |
854 | cr16c_elf_fcom_section.name = ".fcommon"; | |
855 | cr16c_elf_fcom_section.flags = SEC_IS_COMMON | SEC_ALLOC; | |
856 | cr16c_elf_fcom_section.output_section = &cr16c_elf_fcom_section; | |
857 | cr16c_elf_fcom_section.symbol = &cr16c_elf_fcom_symbol; | |
858 | cr16c_elf_fcom_section.symbol_ptr_ptr = &cr16c_elf_fcom_symbol_ptr; | |
859 | cr16c_elf_fcom_symbol.name = ".fcommon"; | |
860 | cr16c_elf_fcom_symbol.flags = BSF_SECTION_SYM; | |
861 | cr16c_elf_fcom_symbol.section = &cr16c_elf_fcom_section; | |
862 | cr16c_elf_fcom_symbol_ptr = &cr16c_elf_fcom_symbol; | |
863 | } | |
864 | asym->section = &cr16c_elf_fcom_section; | |
865 | asym->value = elfsym->internal_elf_sym.st_size; | |
866 | break; | |
867 | case SHN_CR16C_NCOMMON: | |
868 | if (cr16c_elf_ncom_section.name == NULL) | |
869 | { | |
870 | /* Initialize the far common section. */ | |
871 | cr16c_elf_ncom_section.name = ".ncommon"; | |
872 | cr16c_elf_ncom_section.flags = SEC_IS_COMMON | SEC_ALLOC; | |
873 | cr16c_elf_ncom_section.output_section = &cr16c_elf_ncom_section; | |
874 | cr16c_elf_ncom_section.symbol = &cr16c_elf_ncom_symbol; | |
875 | cr16c_elf_ncom_section.symbol_ptr_ptr = &cr16c_elf_ncom_symbol_ptr; | |
876 | cr16c_elf_ncom_symbol.name = ".ncommon"; | |
877 | cr16c_elf_ncom_symbol.flags = BSF_SECTION_SYM; | |
878 | cr16c_elf_ncom_symbol.section = &cr16c_elf_ncom_section; | |
879 | cr16c_elf_ncom_symbol_ptr = &cr16c_elf_ncom_symbol; | |
880 | } | |
881 | asym->section = &cr16c_elf_ncom_section; | |
882 | asym->value = elfsym->internal_elf_sym.st_size; | |
883 | break; | |
884 | } | |
885 | } | |
886 | ||
887 | /* Hook called by the linker routine which adds symbols from an object | |
888 | file. We must handle the special cr16c section numbers here. */ | |
889 | ||
890 | static bfd_boolean | |
891 | elf32_cr16c_add_symbol_hook (bfd *abfd, | |
892 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
a4d7b4b5 | 893 | Elf_Internal_Sym *sym, |
0949843d NC |
894 | const char **namep ATTRIBUTE_UNUSED, |
895 | flagword *flagsp ATTRIBUTE_UNUSED, | |
896 | asection **secp, | |
897 | bfd_vma *valp) | |
898 | { | |
899 | unsigned int indx = sym->st_shndx; | |
900 | ||
901 | switch (indx) | |
902 | { | |
903 | case SHN_CR16C_FCOMMON: | |
904 | *secp = bfd_make_section_old_way (abfd, ".fcommon"); | |
905 | (*secp)->flags |= SEC_IS_COMMON; | |
906 | *valp = sym->st_size; | |
907 | break; | |
908 | case SHN_CR16C_NCOMMON: | |
909 | *secp = bfd_make_section_old_way (abfd, ".ncommon"); | |
910 | (*secp)->flags |= SEC_IS_COMMON; | |
911 | *valp = sym->st_size; | |
912 | break; | |
913 | } | |
914 | ||
915 | return TRUE; | |
916 | } | |
917 | ||
6e0b88f1 | 918 | static int |
0949843d NC |
919 | elf32_cr16c_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
920 | const char *name ATTRIBUTE_UNUSED, | |
921 | Elf_Internal_Sym *sym, | |
922 | asection *input_sec, | |
923 | struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) | |
924 | { | |
925 | /* If we see a common symbol, which implies a relocatable link, then | |
926 | if a symbol was in a special common section in an input file, mark | |
927 | it as a special common in the output file. */ | |
928 | ||
929 | if (sym->st_shndx == SHN_COMMON) | |
930 | { | |
931 | if (strcmp (input_sec->name, ".fcommon") == 0) | |
932 | sym->st_shndx = SHN_CR16C_FCOMMON; | |
933 | else if (strcmp (input_sec->name, ".ncommon") == 0) | |
934 | sym->st_shndx = SHN_CR16C_NCOMMON; | |
935 | } | |
936 | ||
6e0b88f1 | 937 | return 1; |
0949843d NC |
938 | } |
939 | ||
940 | /* Definitions for setting CR16C target vector. */ | |
6d00b590 | 941 | #define TARGET_LITTLE_SYM cr16c_elf32_vec |
0949843d NC |
942 | #define TARGET_LITTLE_NAME "elf32-cr16c" |
943 | #define ELF_ARCH bfd_arch_cr16c | |
944 | #define ELF_MACHINE_CODE EM_CR | |
945 | #define ELF_MAXPAGESIZE 0x1 | |
946 | #define elf_symbol_leading_char '_' | |
947 | ||
948 | #define bfd_elf32_bfd_reloc_type_lookup elf_cr16c_reloc_type_lookup | |
157090f7 | 949 | #define bfd_elf32_bfd_reloc_name_lookup elf_cr16c_reloc_name_lookup |
0949843d NC |
950 | #define elf_info_to_howto elf_cr16c_info_to_howto |
951 | #define elf_info_to_howto_rel elf_cr16c_info_to_howto_rel | |
952 | #define elf_backend_relocate_section elf32_cr16c_relocate_section | |
0949843d NC |
953 | #define elf_backend_symbol_processing elf32_cr16c_symbol_processing |
954 | #define elf_backend_section_from_bfd_section elf32_cr16c_section_from_bfd_section | |
955 | #define elf_backend_add_symbol_hook elf32_cr16c_add_symbol_hook | |
956 | #define elf_backend_link_output_symbol_hook elf32_cr16c_link_output_symbol_hook | |
957 | ||
958 | #define elf_backend_can_gc_sections 1 | |
959 | ||
960 | #include "elf32-target.h" |