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0949843d | 1 | /* BFD back-end for National Semiconductor's CR16C ELF |
4b95cf5c | 2 | Copyright (C) 2004-2014 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 | ||
183 | BFD_ASSERT (r_type < (unsigned int) RINDEX_16C_MAX); | |
184 | cache_ptr->howto = &elf_howto_table[r_type]; | |
185 | } | |
186 | ||
187 | /* Perform a relocation as part of a final link. */ | |
188 | ||
189 | static bfd_reloc_status_type | |
190 | cr16c_elf_final_link_relocate (reloc_howto_type *howto, | |
191 | bfd *abfd, | |
192 | bfd *output_bfd ATTRIBUTE_UNUSED, | |
193 | asection *input_section, | |
194 | bfd_byte *data, | |
195 | bfd_vma octets, | |
196 | bfd_vma Rvalue, | |
197 | bfd_vma addend ATTRIBUTE_UNUSED, | |
198 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
199 | asection *sym_sec ATTRIBUTE_UNUSED, | |
200 | int is_local ATTRIBUTE_UNUSED) | |
201 | { | |
202 | long value; | |
203 | short sword; /* Extracted from the hole and put back. */ | |
204 | unsigned long format, addr_type, code_factor; | |
205 | unsigned short size; | |
206 | unsigned short r_type; | |
0949843d NC |
207 | |
208 | unsigned long disp20_opcod; | |
209 | char neg = 0; | |
210 | char neg2pos = 0; | |
211 | ||
212 | long left_val = 0; | |
213 | long plus_factor = 0; /* To be added to the hole. */ | |
214 | ||
215 | #define MIN_BYTE ((int) 0xFFFFFF80) | |
216 | #define MIN_WORD ((int) 0xFFFF8000) | |
217 | #define MAX_UWORD ((unsigned) 0x0000FFFF) | |
218 | #define MAX_UBYTE ((unsigned) 0x000000FF) | |
219 | ||
220 | r_type = reloc_map_index[howto->type].cr_reloc_type; | |
221 | format = r_type & R_FORMAT; | |
222 | size = r_type & R_SIZESP; | |
223 | addr_type = r_type & R_ADDRTYPE; | |
224 | code_factor = ((addr_type == R_CODE_ADDR) ? 1 : 0); | |
225 | ||
0949843d NC |
226 | switch (format) |
227 | { | |
228 | case R_NUMBER: | |
229 | switch (size) | |
230 | { | |
231 | case R_S_16C_08: /* One byte. */ | |
232 | value = bfd_get_8 (abfd, (char *) data + octets); | |
233 | break; | |
234 | case R_S_16C_16: /* Two bytes. */ | |
235 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
236 | value = sword; | |
237 | break; | |
238 | case R_S_16C_32: /* Four bytes. */ | |
239 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
240 | break; | |
241 | default: | |
242 | return bfd_reloc_notsupported; | |
243 | } | |
244 | break; | |
245 | ||
246 | case R_16C_DISPL: | |
247 | switch (size) | |
248 | { | |
249 | case R_S_16C_04: /* word1(4-7). */ | |
250 | value = bfd_get_8 (abfd, (char *) data + octets); | |
251 | left_val = value & 0xF; | |
252 | value = (value & 0xF0) >> 4; | |
253 | value++; | |
254 | value <<= 1; | |
255 | break; | |
256 | case R_S_16C_08: /* word1(0-3,8-11). */ | |
257 | sword = bfd_get_16 (abfd, (char *) data + octets); | |
258 | value = sword & 0x000F; | |
259 | value |= ((sword & 0x0F00) >> 4); | |
260 | left_val = sword & 0xF0F0; | |
261 | value <<= 1; | |
262 | if (value & 0x100) | |
263 | value |= 0xFFFFFF00; | |
264 | break; | |
265 | case R_S_16C_16: /* word2. */ | |
266 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
267 | value = sword; | |
268 | value = ((value & 0xFFFE) >> 1) | ((value & 0x1) << 15); | |
269 | value <<= 1; | |
270 | if (value & 0x10000) | |
271 | value |= 0xFFFF0000; | |
272 | break; | |
273 | case R_S_16C_24_a: /* word1(0-7),word2. */ | |
274 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
275 | left_val = value & 0x0000FF00; | |
276 | value = ((value & 0xFFFE0000) >> 17) | | |
277 | ((value & 0x00010000) << 7) | ((value & 0x000000FF) << 15); | |
278 | value <<= 1; | |
279 | if (value & 0x1000000) | |
280 | value |= 0xFE000000; | |
281 | break; | |
282 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ | |
283 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
284 | left_val = value & 0x0000F0F0; | |
285 | value = ((value >> 16) & 0x0000FFFF) | | |
286 | ((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20); | |
287 | ||
288 | value = ((value & 0x00FFFFFE) >> 1) | ((value & 0x00000001) << 23); | |
289 | ||
290 | value <<= 1; | |
291 | if (value & 0x1000000) | |
292 | value |= 0xFE000000; | |
293 | break; | |
294 | default: | |
295 | return bfd_reloc_notsupported; | |
296 | } | |
297 | break; | |
298 | ||
299 | case R_16C_REGREL: | |
300 | switch (size) | |
301 | { | |
302 | case R_S_16C_04: /* word1(12-15) not scaled. */ | |
303 | value = bfd_get_8 (abfd, (char *) data + octets); | |
304 | left_val = value & 0xF0; | |
305 | value = value & 0xF; | |
306 | break; | |
307 | case R_S_16C_04_a: /* word1(12-15) scaled by 2. */ | |
308 | value = bfd_get_8 (abfd, (char *) data + octets); | |
309 | left_val = value & 0xF0; | |
310 | value = value & 0xF; | |
311 | value <<= 1; | |
312 | break; | |
313 | case R_S_16C_14: /* word1(4-5),word2(0-3,8-15). */ | |
314 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
315 | left_val = value & 0x00F0FFCF; | |
316 | value = ((value & 0xc0000000) >> 24) | | |
317 | ((value & 0x3F000000) >> 16) | | |
318 | ((value & 0x000F0000) >> 16) | (value & 0x00000030); | |
319 | break; | |
320 | case R_S_16C_16: /* word2. */ | |
321 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
322 | value = sword; | |
323 | break; | |
324 | case R_S_16C_20: /* word2(8-11),word3. */ | |
325 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
326 | left_val = value & 0xF0; | |
327 | value = (value & 0xF) << 16; | |
328 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets + 1); | |
329 | value = value | (unsigned short) sword; | |
330 | disp20_opcod = bfd_get_32 (abfd, (bfd_byte *) data + octets - 3); | |
331 | disp20_opcod |= 0x0FFF0000; | |
332 | if ((disp20_opcod == 0x4FFF0018) || /* loadb -disp20(reg) */ | |
333 | (disp20_opcod == 0x5FFF0018) || /* loadb -disp20(rp) */ | |
334 | (disp20_opcod == 0x8FFF0018) || /* loadd -disp20(reg) */ | |
335 | (disp20_opcod == 0x9FFF0018) || /* loadd -disp20(rp) */ | |
336 | (disp20_opcod == 0xCFFF0018) || /* loadw -disp20(reg) */ | |
337 | (disp20_opcod == 0xDFFF0018) || /* loadw -disp20(rp) */ | |
338 | (disp20_opcod == 0x4FFF0019) || /* storb -disp20(reg) */ | |
339 | (disp20_opcod == 0x5FFF0019) || /* storb -disp20(rp) */ | |
340 | (disp20_opcod == 0x8FFF0019) || /* stord -disp20(reg) */ | |
341 | (disp20_opcod == 0x9FFF0019) || /* stord -disp20(rp) */ | |
342 | (disp20_opcod == 0xCFFF0019) || /* storw -disp20(reg) */ | |
343 | (disp20_opcod == 0xDFFF0019)) | |
344 | { /* storw -disp20(rp). */ | |
345 | neg = 1; | |
346 | value |= 0xFFF00000; | |
347 | } | |
348 | ||
349 | break; | |
350 | default: | |
351 | return bfd_reloc_notsupported; | |
352 | } | |
353 | break; | |
354 | ||
355 | case R_16C_ABS: | |
356 | switch (size) | |
357 | { | |
358 | case R_S_16C_20: /* word1(0-3),word2. */ | |
359 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
360 | left_val = value & 0x0000FFF0; | |
361 | value = ((value & 0xFFFF0000) >> 16) | | |
362 | ((value & 0x0000000F) << 16); | |
363 | break; | |
364 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ | |
365 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
366 | left_val = value & 0x0000F0F0; | |
367 | value = ((value & 0xFFFF0000) >> 16) | | |
368 | ((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20); | |
369 | break; | |
370 | default: | |
371 | return bfd_reloc_notsupported; | |
372 | } | |
373 | break; | |
374 | ||
375 | case R_16C_IMMED: | |
376 | switch (size) | |
377 | { | |
378 | case R_S_16C_04: /* word1/2(4-7). */ | |
379 | value = bfd_get_8 (abfd, (char *) data + octets); | |
380 | left_val = value & 0xF; | |
381 | value = (value & 0xF0) >> 4; | |
382 | break; | |
383 | case R_S_16C_16: /* word2. */ | |
384 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); | |
385 | value = sword; | |
386 | break; | |
387 | case R_S_16C_20: /* word1(0-3),word2. */ | |
388 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
389 | left_val = value & 0x0000FFF0; | |
390 | value = ((value & 0xFFFF0000) >> 16) | | |
391 | ((value & 0x0000000F) << 16); | |
392 | break; | |
393 | case R_S_16C_32: /* word2, word3. */ | |
394 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); | |
395 | value = ((value & 0x0000FFFF) << 16) | | |
396 | ((value & 0xFFFF0000) >> 16); | |
397 | break; | |
398 | default: | |
399 | return bfd_reloc_notsupported; | |
400 | } | |
401 | break; | |
402 | default: | |
403 | return bfd_reloc_notsupported; | |
404 | } | |
405 | ||
406 | switch ((r_type & R_RELTO) >> 4) | |
407 | { | |
408 | ||
409 | case 0: /* R_ABS. */ | |
410 | plus_factor = Rvalue; | |
411 | break; | |
412 | case 1: /* R_PCREL. */ | |
413 | plus_factor = Rvalue - | |
414 | (input_section->output_section->vma + input_section->output_offset); | |
415 | break; | |
416 | default: | |
417 | return bfd_reloc_notsupported; | |
418 | } | |
419 | ||
420 | if (neg) | |
421 | { | |
422 | if (plus_factor >= -value) | |
423 | neg2pos = 1; | |
424 | /* We need to change load/stor with negative | |
425 | displ opcode to positive disp opcode (CR16C). */ | |
426 | } | |
427 | ||
428 | value = value + (plus_factor >> code_factor); | |
429 | ||
430 | switch (format) | |
431 | { | |
432 | case R_NUMBER: | |
433 | switch (size) | |
434 | { | |
435 | case R_S_16C_08: /* One byte. */ | |
436 | if (value > (int) MAX_UBYTE || value < MIN_BYTE) | |
437 | return bfd_reloc_overflow; | |
438 | value &= 0xFF; | |
439 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 440 | break; |
90e868ac | 441 | |
0949843d NC |
442 | case R_S_16C_16: /* Two bytes. */ |
443 | if (value > (int) MAX_UWORD || value < MIN_WORD) | |
444 | return bfd_reloc_overflow; | |
445 | value &= 0xFFFF; | |
446 | sword = value; | |
447 | bfd_put_16 (abfd, (bfd_vma) sword, | |
448 | (unsigned char *) data + octets); | |
0949843d | 449 | break; |
90e868ac | 450 | |
0949843d NC |
451 | case R_S_16C_32: /* Four bytes. */ |
452 | value &= 0xFFFFFFFF; | |
453 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 454 | break; |
90e868ac | 455 | |
0949843d NC |
456 | default: |
457 | return bfd_reloc_notsupported; | |
458 | } | |
459 | break; | |
460 | ||
461 | case R_16C_DISPL: | |
462 | switch (size) | |
463 | { | |
464 | case R_S_16C_04: /* word1(4-7). */ | |
465 | if ((value - 32) > 32 || value < 2) | |
466 | return bfd_reloc_overflow; | |
467 | value >>= 1; | |
468 | value--; | |
469 | value &= 0xF; | |
470 | value <<= 4; | |
471 | value |= left_val; | |
472 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 473 | break; |
90e868ac | 474 | |
0949843d NC |
475 | case R_S_16C_08: /* word1(0-3,8-11). */ |
476 | if (value > 255 || value < -256 || value == 0x80) | |
477 | return bfd_reloc_overflow; | |
478 | value &= 0x1FF; | |
479 | value >>= 1; | |
480 | sword = value & 0x000F; | |
481 | sword |= (value & 0x00F0) << 4; | |
482 | sword |= left_val; | |
483 | bfd_put_16 (abfd, (bfd_vma) sword, | |
484 | (unsigned char *) data + octets); | |
0949843d | 485 | break; |
90e868ac | 486 | |
0949843d NC |
487 | case R_S_16C_16: /* word2. */ |
488 | if (value > 65535 || value < -65536) | |
489 | return bfd_reloc_overflow; | |
490 | value >>= 1; | |
491 | value &= 0xFFFF; | |
492 | value = ((value & 0x8000) >> 15) | ((value & 0x7FFF) << 1); | |
493 | sword = value; | |
494 | bfd_put_16 (abfd, (bfd_vma) sword, | |
495 | (unsigned char *) data + octets); | |
0949843d | 496 | break; |
90e868ac | 497 | |
0949843d NC |
498 | case R_S_16C_24_a: /* word1(0-7),word2. */ |
499 | if (value > 16777215 || value < -16777216) | |
500 | return bfd_reloc_overflow; | |
501 | value &= 0x1FFFFFF; | |
502 | value >>= 1; | |
503 | value = ((value & 0x00007FFF) << 17) | | |
504 | ((value & 0x00800000) >> 7) | ((value & 0x007F8000) >> 15); | |
505 | value |= left_val; | |
506 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 507 | break; |
90e868ac | 508 | |
0949843d NC |
509 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
510 | if (value > 16777215 || value < -16777216) | |
511 | return bfd_reloc_overflow; | |
512 | value &= 0x1FFFFFF; | |
513 | value >>= 1; | |
514 | ||
515 | value = ((value & 0x007FFFFF) << 1) | ((value & 0x00800000) >> 23); | |
516 | ||
517 | value = ((value & 0x0000FFFF) << 16) | | |
518 | ((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20); | |
519 | value |= left_val; | |
520 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 521 | break; |
90e868ac | 522 | |
0949843d NC |
523 | default: |
524 | return bfd_reloc_notsupported; | |
525 | } | |
526 | break; | |
527 | ||
528 | case R_16C_REGREL: | |
529 | switch (size) | |
530 | { | |
531 | case R_S_16C_04: /* word1(12-15) not scaled. */ | |
532 | if (value > 13 || value < 0) | |
533 | return bfd_reloc_overflow; | |
534 | value &= 0xF; | |
535 | value |= left_val; | |
536 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 537 | break; |
90e868ac | 538 | |
0949843d NC |
539 | case R_S_16C_04_a: /* word1(12-15) not scaled. */ |
540 | if (value > 26 || value < 0) | |
541 | return bfd_reloc_overflow; | |
542 | value &= 0x1F; | |
543 | value >>= 1; | |
544 | value |= left_val; | |
545 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 546 | break; |
90e868ac | 547 | |
0949843d NC |
548 | case R_S_16C_14: /* word1(4-5),word2(0-3,8-15). */ |
549 | if (value < 0 || value > 16383) | |
550 | return bfd_reloc_overflow; | |
551 | value &= 0x3FFF; | |
552 | value = ((value & 0x000000c0) << 24) | | |
553 | ((value & 0x00003F00) << 16) | | |
554 | ((value & 0x0000000F) << 16) | (value & 0x00000030); | |
555 | value |= left_val; | |
556 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 557 | break; |
90e868ac | 558 | |
0949843d NC |
559 | case R_S_16C_16: /* word2. */ |
560 | if (value > 65535 || value < 0) | |
561 | return bfd_reloc_overflow; | |
562 | value &= 0xFFFF; | |
563 | sword = value; | |
564 | bfd_put_16 (abfd, (bfd_vma) sword, | |
565 | (unsigned char *) data + octets); | |
0949843d | 566 | break; |
90e868ac | 567 | |
0949843d NC |
568 | case R_S_16C_20: /* word2(8-11),word3. */ |
569 | /* if (value > 1048575 || value < 0) RELOC_ERROR(1); */ | |
570 | value &= 0xFFFFF; | |
571 | sword = value & 0x0000FFFF; | |
572 | value = (value & 0x000F0000) >> 16; | |
573 | value |= left_val; | |
574 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
575 | bfd_put_16 (abfd, (bfd_vma) sword, | |
576 | (unsigned char *) data + octets + 1); | |
577 | if (neg2pos) | |
578 | { | |
579 | /* Change load/stor negative displ opcode | |
580 | to load/stor positive displ opcode. */ | |
581 | value = bfd_get_8 (abfd, (char *) data + octets - 3); | |
582 | value &= 0xF7; | |
583 | value |= 0x2; | |
584 | bfd_put_8 (abfd, (bfd_vma) value, | |
585 | (unsigned char *) data + octets - 3); | |
586 | } | |
0949843d | 587 | break; |
90e868ac | 588 | |
0949843d NC |
589 | default: |
590 | return bfd_reloc_notsupported; | |
591 | } | |
592 | break; | |
593 | ||
594 | case R_16C_ABS: | |
595 | switch (size) | |
596 | { | |
597 | case R_S_16C_20: /* word1(0-3),word2. */ | |
598 | if (value > 1048575 || value < 0) | |
599 | return bfd_reloc_overflow; | |
600 | value &= 0xFFFFF; | |
601 | value = ((value & 0x0000FFFF) << 16) | | |
602 | ((value & 0x000F0000) >> 16); | |
603 | value |= left_val; | |
604 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 605 | break; |
90e868ac | 606 | |
0949843d NC |
607 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
608 | /* if (value > 16777215 || value < 0) RELOC_ERROR(1); */ | |
609 | value &= 0xFFFFFF; | |
610 | value = ((value & 0x0000FFFF) << 16) | | |
611 | ((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20); | |
612 | value |= left_val; | |
613 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 614 | break; |
90e868ac | 615 | |
0949843d NC |
616 | default: |
617 | return bfd_reloc_notsupported; | |
618 | } | |
619 | break; | |
620 | ||
621 | case R_16C_IMMED: | |
622 | switch (size) | |
623 | { | |
624 | case R_S_16C_04: /* word1/2(4-7). */ | |
625 | if (value > 15 || value < -1) | |
626 | return bfd_reloc_overflow; | |
627 | value &= 0xF; | |
628 | value <<= 4; | |
629 | value |= left_val; | |
630 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); | |
0949843d | 631 | break; |
90e868ac | 632 | |
0949843d NC |
633 | case R_S_16C_16: /* word2. */ |
634 | if (value > 32767 || value < -32768) | |
635 | return bfd_reloc_overflow; | |
636 | value &= 0xFFFF; | |
637 | sword = value; | |
638 | bfd_put_16 (abfd, (bfd_vma) sword, | |
639 | (unsigned char *) data + octets); | |
0949843d | 640 | break; |
90e868ac | 641 | |
0949843d NC |
642 | case R_S_16C_20: /* word1(0-3),word2. */ |
643 | if (value > 1048575 || value < 0) | |
644 | return bfd_reloc_overflow; | |
645 | value &= 0xFFFFF; | |
646 | value = ((value & 0x0000FFFF) << 16) | | |
647 | ((value & 0x000F0000) >> 16); | |
648 | value |= left_val; | |
649 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 650 | break; |
90e868ac | 651 | |
0949843d NC |
652 | case R_S_16C_32: /* word2, word3. */ |
653 | value &= 0xFFFFFFFF; | |
654 | value = ((value & 0x0000FFFF) << 16) | | |
655 | ((value & 0xFFFF0000) >> 16); | |
656 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); | |
0949843d | 657 | break; |
90e868ac | 658 | |
0949843d NC |
659 | default: |
660 | return bfd_reloc_notsupported; | |
661 | } | |
662 | break; | |
663 | default: | |
664 | return bfd_reloc_notsupported; | |
665 | } | |
90e868ac NC |
666 | |
667 | return bfd_reloc_ok; | |
0949843d NC |
668 | } |
669 | ||
670 | /* Relocate a CR16C ELF section. */ | |
671 | ||
672 | static bfd_boolean | |
673 | elf32_cr16c_relocate_section (bfd *output_bfd, | |
674 | struct bfd_link_info *info, | |
675 | bfd *input_bfd, | |
676 | asection *input_section, | |
677 | bfd_byte *contents, | |
678 | Elf_Internal_Rela *relocs, | |
679 | Elf_Internal_Sym *local_syms, | |
680 | asection **local_sections) | |
681 | { | |
682 | Elf_Internal_Shdr *symtab_hdr; | |
683 | struct elf_link_hash_entry **sym_hashes; | |
684 | Elf_Internal_Rela *rel, *relend; | |
685 | ||
686 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
687 | sym_hashes = elf_sym_hashes (input_bfd); | |
688 | ||
689 | rel = relocs; | |
690 | relend = relocs + input_section->reloc_count; | |
691 | for (; rel < relend; rel++) | |
692 | { | |
693 | int r_type; | |
694 | reloc_howto_type *howto; | |
695 | unsigned long r_symndx; | |
696 | Elf_Internal_Sym *sym; | |
697 | asection *sec; | |
698 | struct elf_link_hash_entry *h; | |
699 | bfd_vma relocation; | |
700 | bfd_reloc_status_type r; | |
701 | ||
702 | r_symndx = ELF32_R_SYM (rel->r_info); | |
703 | r_type = ELF32_R_TYPE (rel->r_info); | |
704 | howto = elf_howto_table + r_type; | |
705 | ||
0949843d NC |
706 | h = NULL; |
707 | sym = NULL; | |
708 | sec = NULL; | |
709 | if (r_symndx < symtab_hdr->sh_info) | |
710 | { | |
711 | sym = local_syms + r_symndx; | |
712 | sec = local_sections[r_symndx]; | |
713 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
714 | } | |
715 | else | |
716 | { | |
62d887d4 | 717 | bfd_boolean unresolved_reloc, warned, ignored; |
a4d7b4b5 L |
718 | |
719 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, | |
720 | r_symndx, symtab_hdr, sym_hashes, | |
721 | h, sec, relocation, | |
62d887d4 | 722 | unresolved_reloc, warned, ignored); |
0949843d NC |
723 | } |
724 | ||
dbaa2011 | 725 | if (sec != NULL && discarded_section (sec)) |
e4067dbb | 726 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 727 | rel, 1, relend, howto, 0, contents); |
ab96bf03 AM |
728 | |
729 | if (info->relocatable) | |
730 | { | |
731 | /* This is a relocatable link. We don't have to change | |
732 | anything, unless the reloc is against a section symbol, | |
733 | in which case we have to adjust according to where the | |
734 | section symbol winds up in the output section. */ | |
735 | if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
736 | rel->r_addend += sec->output_offset; | |
737 | continue; | |
738 | } | |
739 | ||
0949843d NC |
740 | r = cr16c_elf_final_link_relocate (howto, input_bfd, output_bfd, |
741 | input_section, | |
742 | contents, rel->r_offset, | |
743 | relocation, rel->r_addend, | |
744 | info, sec, h == NULL); | |
745 | ||
746 | if (r != bfd_reloc_ok) | |
747 | { | |
748 | const char *name; | |
749 | const char *msg = (const char *) 0; | |
750 | ||
751 | if (h != NULL) | |
752 | name = h->root.root.string; | |
753 | else | |
754 | { | |
755 | name = (bfd_elf_string_from_elf_section | |
756 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
757 | if (name == NULL || *name == '\0') | |
758 | name = bfd_section_name (input_bfd, sec); | |
759 | } | |
760 | ||
761 | switch (r) | |
762 | { | |
763 | case bfd_reloc_overflow: | |
764 | if (!((*info->callbacks->reloc_overflow) | |
dfeffb9f L |
765 | (info, (h ? &h->root : NULL), name, howto->name, |
766 | (bfd_vma) 0, input_bfd, input_section, | |
767 | rel->r_offset))) | |
0949843d NC |
768 | return FALSE; |
769 | break; | |
770 | ||
771 | case bfd_reloc_undefined: | |
772 | if (!((*info->callbacks->undefined_symbol) | |
773 | (info, name, input_bfd, input_section, | |
774 | rel->r_offset, TRUE))) | |
775 | return FALSE; | |
776 | break; | |
777 | ||
778 | case bfd_reloc_outofrange: | |
779 | msg = _("internal error: out of range error"); | |
780 | goto common_error; | |
781 | ||
782 | case bfd_reloc_notsupported: | |
783 | msg = _("internal error: unsupported relocation error"); | |
784 | goto common_error; | |
785 | ||
786 | case bfd_reloc_dangerous: | |
787 | msg = _("internal error: dangerous error"); | |
788 | goto common_error; | |
789 | ||
790 | default: | |
791 | msg = _("internal error: unknown error"); | |
792 | /* fall through */ | |
793 | ||
794 | common_error: | |
795 | if (!((*info->callbacks->warning) | |
796 | (info, msg, name, input_bfd, input_section, | |
797 | rel->r_offset))) | |
798 | return FALSE; | |
799 | break; | |
800 | } | |
801 | } | |
802 | } | |
803 | ||
804 | return TRUE; | |
805 | } | |
806 | ||
0949843d NC |
807 | /* CR16C ELF uses three common sections: |
808 | One is for default common symbols (placed in usual common section). | |
809 | Second is for near common symbols (placed in "ncommon" section). | |
810 | Third is for far common symbols (placed in "fcommon" section). | |
811 | The following implementation is based on elf32-mips architecture */ | |
812 | ||
813 | static asection cr16c_elf_fcom_section; | |
814 | static asymbol cr16c_elf_fcom_symbol; | |
815 | static asymbol * cr16c_elf_fcom_symbol_ptr; | |
816 | static asection cr16c_elf_ncom_section; | |
817 | static asymbol cr16c_elf_ncom_symbol; | |
818 | static asymbol * cr16c_elf_ncom_symbol_ptr; | |
819 | ||
820 | /* Given a BFD section, try to locate the | |
821 | corresponding ELF section index. */ | |
822 | ||
823 | static bfd_boolean | |
824 | elf32_cr16c_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, | |
825 | asection *sec, | |
826 | int *retval) | |
827 | { | |
828 | if (strcmp (bfd_get_section_name (abfd, sec), ".fcommon") == 0) | |
829 | *retval = SHN_CR16C_FCOMMON; | |
830 | else if (strcmp (bfd_get_section_name (abfd, sec), ".ncommon") == 0) | |
831 | *retval = SHN_CR16C_NCOMMON; | |
832 | else | |
833 | return FALSE; | |
834 | ||
835 | return TRUE; | |
836 | } | |
837 | ||
838 | /* Handle the special CR16C section numbers that a symbol may use. */ | |
839 | ||
840 | static void | |
841 | elf32_cr16c_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, | |
842 | asymbol *asym) | |
843 | { | |
844 | elf_symbol_type *elfsym = (elf_symbol_type *) asym; | |
845 | unsigned int indx; | |
846 | ||
847 | indx = elfsym->internal_elf_sym.st_shndx; | |
848 | ||
849 | switch (indx) | |
850 | { | |
851 | case SHN_CR16C_FCOMMON: | |
852 | if (cr16c_elf_fcom_section.name == NULL) | |
853 | { | |
854 | /* Initialize the far common section. */ | |
855 | cr16c_elf_fcom_section.name = ".fcommon"; | |
856 | cr16c_elf_fcom_section.flags = SEC_IS_COMMON | SEC_ALLOC; | |
857 | cr16c_elf_fcom_section.output_section = &cr16c_elf_fcom_section; | |
858 | cr16c_elf_fcom_section.symbol = &cr16c_elf_fcom_symbol; | |
859 | cr16c_elf_fcom_section.symbol_ptr_ptr = &cr16c_elf_fcom_symbol_ptr; | |
860 | cr16c_elf_fcom_symbol.name = ".fcommon"; | |
861 | cr16c_elf_fcom_symbol.flags = BSF_SECTION_SYM; | |
862 | cr16c_elf_fcom_symbol.section = &cr16c_elf_fcom_section; | |
863 | cr16c_elf_fcom_symbol_ptr = &cr16c_elf_fcom_symbol; | |
864 | } | |
865 | asym->section = &cr16c_elf_fcom_section; | |
866 | asym->value = elfsym->internal_elf_sym.st_size; | |
867 | break; | |
868 | case SHN_CR16C_NCOMMON: | |
869 | if (cr16c_elf_ncom_section.name == NULL) | |
870 | { | |
871 | /* Initialize the far common section. */ | |
872 | cr16c_elf_ncom_section.name = ".ncommon"; | |
873 | cr16c_elf_ncom_section.flags = SEC_IS_COMMON | SEC_ALLOC; | |
874 | cr16c_elf_ncom_section.output_section = &cr16c_elf_ncom_section; | |
875 | cr16c_elf_ncom_section.symbol = &cr16c_elf_ncom_symbol; | |
876 | cr16c_elf_ncom_section.symbol_ptr_ptr = &cr16c_elf_ncom_symbol_ptr; | |
877 | cr16c_elf_ncom_symbol.name = ".ncommon"; | |
878 | cr16c_elf_ncom_symbol.flags = BSF_SECTION_SYM; | |
879 | cr16c_elf_ncom_symbol.section = &cr16c_elf_ncom_section; | |
880 | cr16c_elf_ncom_symbol_ptr = &cr16c_elf_ncom_symbol; | |
881 | } | |
882 | asym->section = &cr16c_elf_ncom_section; | |
883 | asym->value = elfsym->internal_elf_sym.st_size; | |
884 | break; | |
885 | } | |
886 | } | |
887 | ||
888 | /* Hook called by the linker routine which adds symbols from an object | |
889 | file. We must handle the special cr16c section numbers here. */ | |
890 | ||
891 | static bfd_boolean | |
892 | elf32_cr16c_add_symbol_hook (bfd *abfd, | |
893 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
a4d7b4b5 | 894 | Elf_Internal_Sym *sym, |
0949843d NC |
895 | const char **namep ATTRIBUTE_UNUSED, |
896 | flagword *flagsp ATTRIBUTE_UNUSED, | |
897 | asection **secp, | |
898 | bfd_vma *valp) | |
899 | { | |
900 | unsigned int indx = sym->st_shndx; | |
901 | ||
902 | switch (indx) | |
903 | { | |
904 | case SHN_CR16C_FCOMMON: | |
905 | *secp = bfd_make_section_old_way (abfd, ".fcommon"); | |
906 | (*secp)->flags |= SEC_IS_COMMON; | |
907 | *valp = sym->st_size; | |
908 | break; | |
909 | case SHN_CR16C_NCOMMON: | |
910 | *secp = bfd_make_section_old_way (abfd, ".ncommon"); | |
911 | (*secp)->flags |= SEC_IS_COMMON; | |
912 | *valp = sym->st_size; | |
913 | break; | |
914 | } | |
915 | ||
916 | return TRUE; | |
917 | } | |
918 | ||
6e0b88f1 | 919 | static int |
0949843d NC |
920 | elf32_cr16c_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
921 | const char *name ATTRIBUTE_UNUSED, | |
922 | Elf_Internal_Sym *sym, | |
923 | asection *input_sec, | |
924 | struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) | |
925 | { | |
926 | /* If we see a common symbol, which implies a relocatable link, then | |
927 | if a symbol was in a special common section in an input file, mark | |
928 | it as a special common in the output file. */ | |
929 | ||
930 | if (sym->st_shndx == SHN_COMMON) | |
931 | { | |
932 | if (strcmp (input_sec->name, ".fcommon") == 0) | |
933 | sym->st_shndx = SHN_CR16C_FCOMMON; | |
934 | else if (strcmp (input_sec->name, ".ncommon") == 0) | |
935 | sym->st_shndx = SHN_CR16C_NCOMMON; | |
936 | } | |
937 | ||
6e0b88f1 | 938 | return 1; |
0949843d NC |
939 | } |
940 | ||
941 | /* Definitions for setting CR16C target vector. */ | |
6d00b590 | 942 | #define TARGET_LITTLE_SYM cr16c_elf32_vec |
0949843d NC |
943 | #define TARGET_LITTLE_NAME "elf32-cr16c" |
944 | #define ELF_ARCH bfd_arch_cr16c | |
945 | #define ELF_MACHINE_CODE EM_CR | |
946 | #define ELF_MAXPAGESIZE 0x1 | |
947 | #define elf_symbol_leading_char '_' | |
948 | ||
949 | #define bfd_elf32_bfd_reloc_type_lookup elf_cr16c_reloc_type_lookup | |
157090f7 | 950 | #define bfd_elf32_bfd_reloc_name_lookup elf_cr16c_reloc_name_lookup |
0949843d NC |
951 | #define elf_info_to_howto elf_cr16c_info_to_howto |
952 | #define elf_info_to_howto_rel elf_cr16c_info_to_howto_rel | |
953 | #define elf_backend_relocate_section elf32_cr16c_relocate_section | |
0949843d NC |
954 | #define elf_backend_symbol_processing elf32_cr16c_symbol_processing |
955 | #define elf_backend_section_from_bfd_section elf32_cr16c_section_from_bfd_section | |
956 | #define elf_backend_add_symbol_hook elf32_cr16c_add_symbol_hook | |
957 | #define elf_backend_link_output_symbol_hook elf32_cr16c_link_output_symbol_hook | |
958 | ||
959 | #define elf_backend_can_gc_sections 1 | |
960 | ||
961 | #include "elf32-target.h" |