Commit | Line | Data |
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252b5132 | 1 | /* V850-specific support for 32-bit ELF |
78c8d46c | 2 | Copyright 1996-2013 Free Software Foundation, Inc. |
252b5132 | 3 | |
86aba9db | 4 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 5 | |
86aba9db NC |
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 |
86aba9db | 9 | (at your option) any later version. |
252b5132 | 10 | |
86aba9db NC |
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. | |
252b5132 | 15 | |
86aba9db NC |
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 | |
47b0e7ad NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
252b5132 | 20 | |
cd123cb7 | 21 | |
252b5132 | 22 | /* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char |
86aba9db | 23 | dependencies. As is the gas & simulator code for the v850. */ |
252b5132 | 24 | |
252b5132 | 25 | #include "sysdep.h" |
3db64b00 | 26 | #include "bfd.h" |
252b5132 RH |
27 | #include "bfdlink.h" |
28 | #include "libbfd.h" | |
29 | #include "elf-bfd.h" | |
30 | #include "elf/v850.h" | |
e12dd2ea | 31 | #include "libiberty.h" |
252b5132 | 32 | |
1cd986c5 NC |
33 | /* Sign-extend a 17-bit number. */ |
34 | #define SEXT17(x) ((((x) & 0x1ffff) ^ 0x10000) - 0x10000) | |
35 | ||
36 | /* Sign-extend a 22-bit number. */ | |
37 | #define SEXT22(x) ((((x) & 0x3fffff) ^ 0x200000) - 0x200000) | |
435b1e90 | 38 | |
e460dd0d AM |
39 | static reloc_howto_type v850_elf_howto_table[]; |
40 | ||
252b5132 RH |
41 | /* Look through the relocs for a section during the first phase, and |
42 | allocate space in the global offset table or procedure linkage | |
43 | table. */ | |
44 | ||
b34976b6 | 45 | static bfd_boolean |
47b0e7ad NC |
46 | v850_elf_check_relocs (bfd *abfd, |
47 | struct bfd_link_info *info, | |
48 | asection *sec, | |
49 | const Elf_Internal_Rela *relocs) | |
252b5132 | 50 | { |
b34976b6 | 51 | bfd_boolean ret = TRUE; |
252b5132 RH |
52 | Elf_Internal_Shdr *symtab_hdr; |
53 | struct elf_link_hash_entry **sym_hashes; | |
54 | const Elf_Internal_Rela *rel; | |
55 | const Elf_Internal_Rela *rel_end; | |
de863c74 | 56 | unsigned int r_type; |
252b5132 | 57 | int other = 0; |
47b0e7ad | 58 | const char *common = NULL; |
252b5132 | 59 | |
1049f94e | 60 | if (info->relocatable) |
b34976b6 | 61 | return TRUE; |
252b5132 RH |
62 | |
63 | #ifdef DEBUG | |
d003868e AM |
64 | _bfd_error_handler ("v850_elf_check_relocs called for section %A in %B", |
65 | sec, abfd); | |
252b5132 RH |
66 | #endif |
67 | ||
252b5132 RH |
68 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
69 | sym_hashes = elf_sym_hashes (abfd); | |
252b5132 RH |
70 | |
71 | rel_end = relocs + sec->reloc_count; | |
72 | for (rel = relocs; rel < rel_end; rel++) | |
73 | { | |
74 | unsigned long r_symndx; | |
75 | struct elf_link_hash_entry *h; | |
76 | ||
77 | r_symndx = ELF32_R_SYM (rel->r_info); | |
78 | if (r_symndx < symtab_hdr->sh_info) | |
79 | h = NULL; | |
80 | else | |
973a3492 L |
81 | { |
82 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
83 | while (h->root.type == bfd_link_hash_indirect | |
84 | || h->root.type == bfd_link_hash_warning) | |
85 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
86 | } | |
252b5132 | 87 | |
de863c74 | 88 | r_type = ELF32_R_TYPE (rel->r_info); |
252b5132 RH |
89 | switch (r_type) |
90 | { | |
91 | default: | |
252b5132 RH |
92 | break; |
93 | ||
94 | /* This relocation describes the C++ object vtable hierarchy. | |
95 | Reconstruct it for later use during GC. */ | |
96 | case R_V850_GNU_VTINHERIT: | |
c152c796 | 97 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) |
b34976b6 | 98 | return FALSE; |
252b5132 RH |
99 | break; |
100 | ||
e12dd2ea NC |
101 | /* This relocation describes which C++ vtable entries |
102 | are actually used. Record for later use during GC. */ | |
252b5132 | 103 | case R_V850_GNU_VTENTRY: |
d17e0c6e JB |
104 | BFD_ASSERT (h != NULL); |
105 | if (h != NULL | |
106 | && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
b34976b6 | 107 | return FALSE; |
252b5132 RH |
108 | break; |
109 | ||
110 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
111 | case R_V850_SDA_16_16_OFFSET: | |
112 | case R_V850_SDA_15_16_OFFSET: | |
de863c74 NC |
113 | case R_V810_GPWLO_1: |
114 | case R_V850_HWLO: | |
115 | case R_V850_HWLO_1: | |
252b5132 RH |
116 | other = V850_OTHER_SDA; |
117 | common = ".scommon"; | |
118 | goto small_data_common; | |
435b1e90 | 119 | |
252b5132 RH |
120 | case R_V850_ZDA_16_16_SPLIT_OFFSET: |
121 | case R_V850_ZDA_16_16_OFFSET: | |
122 | case R_V850_ZDA_15_16_OFFSET: | |
123 | other = V850_OTHER_ZDA; | |
124 | common = ".zcommon"; | |
125 | goto small_data_common; | |
435b1e90 | 126 | |
252b5132 | 127 | case R_V850_TDA_4_4_OFFSET: |
1cd986c5 NC |
128 | case R_V850_TDA_4_5_OFFSET: |
129 | case R_V850_TDA_7_7_OFFSET: | |
252b5132 RH |
130 | case R_V850_TDA_6_8_OFFSET: |
131 | case R_V850_TDA_7_8_OFFSET: | |
252b5132 RH |
132 | case R_V850_TDA_16_16_OFFSET: |
133 | other = V850_OTHER_TDA; | |
134 | common = ".tcommon"; | |
135 | /* fall through */ | |
136 | ||
137 | #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA) | |
138 | ||
139 | small_data_common: | |
140 | if (h) | |
141 | { | |
e12dd2ea NC |
142 | /* Flag which type of relocation was used. */ |
143 | h->other |= other; | |
252b5132 RH |
144 | if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK) |
145 | && (h->other & V850_OTHER_ERROR) == 0) | |
146 | { | |
147 | const char * msg; | |
148 | static char buff[200]; /* XXX */ | |
149 | ||
150 | switch (h->other & V850_OTHER_MASK) | |
151 | { | |
152 | default: | |
153 | msg = _("Variable `%s' cannot occupy in multiple small data regions"); | |
154 | break; | |
155 | case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA: | |
156 | msg = _("Variable `%s' can only be in one of the small, zero, and tiny data regions"); | |
157 | break; | |
158 | case V850_OTHER_SDA | V850_OTHER_ZDA: | |
159 | msg = _("Variable `%s' cannot be in both small and zero data regions simultaneously"); | |
160 | break; | |
161 | case V850_OTHER_SDA | V850_OTHER_TDA: | |
162 | msg = _("Variable `%s' cannot be in both small and tiny data regions simultaneously"); | |
163 | break; | |
164 | case V850_OTHER_ZDA | V850_OTHER_TDA: | |
165 | msg = _("Variable `%s' cannot be in both zero and tiny data regions simultaneously"); | |
166 | break; | |
167 | } | |
168 | ||
169 | sprintf (buff, msg, h->root.root.string); | |
170 | info->callbacks->warning (info, buff, h->root.root.string, | |
dc810e39 AM |
171 | abfd, h->root.u.def.section, |
172 | (bfd_vma) 0); | |
252b5132 RH |
173 | |
174 | bfd_set_error (bfd_error_bad_value); | |
175 | h->other |= V850_OTHER_ERROR; | |
b34976b6 | 176 | ret = FALSE; |
252b5132 RH |
177 | } |
178 | } | |
179 | ||
180 | if (h && h->root.type == bfd_link_hash_common | |
181 | && h->root.u.c.p | |
182 | && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON")) | |
183 | { | |
e12dd2ea NC |
184 | asection * section; |
185 | ||
186 | section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common); | |
252b5132 RH |
187 | section->flags |= SEC_IS_COMMON; |
188 | } | |
189 | ||
190 | #ifdef DEBUG | |
191 | fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n", | |
192 | v850_elf_howto_table[ (int)r_type ].name, | |
193 | (h && h->root.root.string) ? h->root.root.string : "<unknown>", | |
194 | (h->root.type == bfd_link_hash_common) ? ", symbol is common" : ""); | |
195 | #endif | |
196 | break; | |
197 | } | |
198 | } | |
199 | ||
200 | return ret; | |
201 | } | |
202 | ||
e12dd2ea NC |
203 | /* In the old version, when an entry was checked out from the table, |
204 | it was deleted. This produced an error if the entry was needed | |
205 | more than once, as the second attempted retry failed. | |
206 | ||
207 | In the current version, the entry is not deleted, instead we set | |
b34976b6 | 208 | the field 'found' to TRUE. If a second lookup matches the same |
e12dd2ea NC |
209 | entry, then we know that the hi16s reloc has already been updated |
210 | and does not need to be updated a second time. | |
211 | ||
212 | TODO - TOFIX: If it is possible that we need to restore 2 different | |
213 | addresses from the same table entry, where the first generates an | |
214 | overflow, whilst the second do not, then this code will fail. */ | |
252b5132 RH |
215 | |
216 | typedef struct hi16s_location | |
217 | { | |
47b0e7ad NC |
218 | bfd_vma addend; |
219 | bfd_byte * address; | |
220 | unsigned long counter; | |
221 | bfd_boolean found; | |
222 | struct hi16s_location * next; | |
252b5132 RH |
223 | } |
224 | hi16s_location; | |
225 | ||
47b0e7ad NC |
226 | static hi16s_location * previous_hi16s; |
227 | static hi16s_location * free_hi16s; | |
228 | static unsigned long hi16s_counter; | |
252b5132 RH |
229 | |
230 | static void | |
47b0e7ad | 231 | remember_hi16s_reloc (bfd *abfd, bfd_vma addend, bfd_byte *address) |
252b5132 RH |
232 | { |
233 | hi16s_location * entry = NULL; | |
dc810e39 | 234 | bfd_size_type amt = sizeof (* free_hi16s); |
435b1e90 | 235 | |
252b5132 RH |
236 | /* Find a free structure. */ |
237 | if (free_hi16s == NULL) | |
47b0e7ad | 238 | free_hi16s = bfd_zalloc (abfd, amt); |
252b5132 RH |
239 | |
240 | entry = free_hi16s; | |
241 | free_hi16s = free_hi16s->next; | |
435b1e90 | 242 | |
252b5132 RH |
243 | entry->addend = addend; |
244 | entry->address = address; | |
245 | entry->counter = hi16s_counter ++; | |
b34976b6 | 246 | entry->found = FALSE; |
252b5132 RH |
247 | entry->next = previous_hi16s; |
248 | previous_hi16s = entry; | |
435b1e90 | 249 | |
252b5132 RH |
250 | /* Cope with wrap around of our counter. */ |
251 | if (hi16s_counter == 0) | |
252 | { | |
47b0e7ad | 253 | /* XXX: Assume that all counter entries differ only in their low 16 bits. */ |
252b5132 RH |
254 | for (entry = previous_hi16s; entry != NULL; entry = entry->next) |
255 | entry->counter &= 0xffff; | |
256 | ||
257 | hi16s_counter = 0x10000; | |
258 | } | |
252b5132 RH |
259 | } |
260 | ||
261 | static bfd_byte * | |
47b0e7ad | 262 | find_remembered_hi16s_reloc (bfd_vma addend, bfd_boolean *already_found) |
252b5132 | 263 | { |
b34976b6 AM |
264 | hi16s_location *match = NULL; |
265 | hi16s_location *entry; | |
b34976b6 | 266 | bfd_byte *addr; |
435b1e90 | 267 | |
252b5132 RH |
268 | /* Search the table. Record the most recent entry that matches. */ |
269 | for (entry = previous_hi16s; entry; entry = entry->next) | |
270 | { | |
271 | if (entry->addend == addend | |
272 | && (match == NULL || match->counter < entry->counter)) | |
273 | { | |
252b5132 RH |
274 | match = entry; |
275 | } | |
252b5132 RH |
276 | } |
277 | ||
278 | if (match == NULL) | |
279 | return NULL; | |
280 | ||
281 | /* Extract the address. */ | |
282 | addr = match->address; | |
283 | ||
4cc11e76 | 284 | /* Remember if this entry has already been used before. */ |
252b5132 RH |
285 | if (already_found) |
286 | * already_found = match->found; | |
287 | ||
288 | /* Note that this entry has now been used. */ | |
b34976b6 | 289 | match->found = TRUE; |
435b1e90 | 290 | |
252b5132 | 291 | return addr; |
435b1e90 | 292 | } |
252b5132 | 293 | |
1e50d24d RS |
294 | /* Calculate the final operand value for a R_V850_LO16 or |
295 | R_V850_LO16_SPLIT_OFFSET. *INSN is the current operand value and | |
296 | ADDEND is the sum of the relocation symbol and offset. Store the | |
297 | operand value in *INSN and return true on success. | |
298 | ||
299 | The assembler has already done some of this: If the value stored in | |
300 | the instruction has its 15th bit set, (counting from zero) then the | |
301 | assembler will have added 1 to the value stored in the associated | |
302 | HI16S reloc. So for example, these relocations: | |
303 | ||
304 | movhi hi( fred ), r0, r1 | |
305 | movea lo( fred ), r1, r1 | |
306 | ||
307 | will store 0 in the value fields for the MOVHI and MOVEA instructions | |
308 | and addend will be the address of fred, but for these instructions: | |
309 | ||
1cd986c5 NC |
310 | movhi hi( fred + 0x123456 ), r0, r1 |
311 | movea lo( fred + 0x123456 ), r1, r1 | |
1e50d24d RS |
312 | |
313 | the value stored in the MOVHI instruction will be 0x12 and the value | |
314 | stored in the MOVEA instruction will be 0x3456. If however the | |
315 | instructions were: | |
316 | ||
1cd986c5 NC |
317 | movhi hi( fred + 0x10ffff ), r0, r1 |
318 | movea lo( fred + 0x10ffff ), r1, r1 | |
1e50d24d RS |
319 | |
320 | then the value stored in the MOVHI instruction would be 0x11 (not | |
321 | 0x10) and the value stored in the MOVEA instruction would be 0xffff. | |
322 | Thus (assuming for the moment that the addend is 0), at run time the | |
323 | MOVHI instruction loads 0x110000 into r1, then the MOVEA instruction | |
324 | adds 0xffffffff (sign extension!) producing 0x10ffff. Similarly if | |
325 | the instructions were: | |
326 | ||
1cd986c5 NC |
327 | movhi hi( fred - 1 ), r0, r1 |
328 | movea lo( fred - 1 ), r1, r1 | |
1e50d24d RS |
329 | |
330 | then 0 is stored in the MOVHI instruction and -1 is stored in the | |
331 | MOVEA instruction. | |
332 | ||
333 | Overflow can occur if the addition of the value stored in the | |
334 | instruction plus the addend sets the 15th bit when before it was clear. | |
335 | This is because the 15th bit will be sign extended into the high part, | |
336 | thus reducing its value by one, but since the 15th bit was originally | |
337 | clear, the assembler will not have added 1 to the previous HI16S reloc | |
338 | to compensate for this effect. For example: | |
339 | ||
1cd986c5 NC |
340 | movhi hi( fred + 0x123456 ), r0, r1 |
341 | movea lo( fred + 0x123456 ), r1, r1 | |
1e50d24d RS |
342 | |
343 | The value stored in HI16S reloc is 0x12, the value stored in the LO16 | |
344 | reloc is 0x3456. If we assume that the address of fred is 0x00007000 | |
345 | then the relocations become: | |
346 | ||
347 | HI16S: 0x0012 + (0x00007000 >> 16) = 0x12 | |
348 | LO16: 0x3456 + (0x00007000 & 0xffff) = 0xa456 | |
349 | ||
350 | but when the instructions are executed, the MOVEA instruction's value | |
351 | is signed extended, so the sum becomes: | |
352 | ||
353 | 0x00120000 | |
354 | + 0xffffa456 | |
355 | ------------ | |
356 | 0x0011a456 but 'fred + 0x123456' = 0x0012a456 | |
357 | ||
358 | Note that if the 15th bit was set in the value stored in the LO16 | |
359 | reloc, then we do not have to do anything: | |
360 | ||
1cd986c5 NC |
361 | movhi hi( fred + 0x10ffff ), r0, r1 |
362 | movea lo( fred + 0x10ffff ), r1, r1 | |
1e50d24d RS |
363 | |
364 | HI16S: 0x0011 + (0x00007000 >> 16) = 0x11 | |
365 | LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff | |
366 | ||
367 | 0x00110000 | |
368 | + 0x00006fff | |
369 | ------------ | |
370 | 0x00116fff = fred + 0x10ffff = 0x7000 + 0x10ffff | |
371 | ||
372 | Overflow can also occur if the computation carries into the 16th bit | |
373 | and it also results in the 15th bit having the same value as the 15th | |
374 | bit of the original value. What happens is that the HI16S reloc | |
375 | will have already examined the 15th bit of the original value and | |
376 | added 1 to the high part if the bit is set. This compensates for the | |
377 | sign extension of 15th bit of the result of the computation. But now | |
378 | there is a carry into the 16th bit, and this has not been allowed for. | |
379 | ||
380 | So, for example if fred is at address 0xf000: | |
381 | ||
1cd986c5 NC |
382 | movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set] |
383 | movea lo( fred + 0xffff ), r1, r1 | |
1e50d24d RS |
384 | |
385 | HI16S: 0x0001 + (0x0000f000 >> 16) = 0x0001 | |
386 | LO16: 0xffff + (0x0000f000 & 0xffff) = 0xefff (carry into bit 16 is lost) | |
387 | ||
388 | 0x00010000 | |
389 | + 0xffffefff | |
390 | ------------ | |
391 | 0x0000efff but 'fred + 0xffff' = 0x0001efff | |
392 | ||
393 | Similarly, if the 15th bit remains clear, but overflow occurs into | |
394 | the 16th bit then (assuming the address of fred is 0xf000): | |
395 | ||
1cd986c5 NC |
396 | movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear] |
397 | movea lo( fred + 0x7000 ), r1, r1 | |
1e50d24d RS |
398 | |
399 | HI16S: 0x0000 + (0x0000f000 >> 16) = 0x0000 | |
400 | LO16: 0x7000 + (0x0000f000 & 0xffff) = 0x6fff (carry into bit 16 is lost) | |
401 | ||
402 | 0x00000000 | |
403 | + 0x00006fff | |
404 | ------------ | |
405 | 0x00006fff but 'fred + 0x7000' = 0x00016fff | |
406 | ||
407 | Note - there is no need to change anything if a carry occurs, and the | |
408 | 15th bit changes its value from being set to being clear, as the HI16S | |
409 | reloc will have already added in 1 to the high part for us: | |
410 | ||
1cd986c5 NC |
411 | movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set] |
412 | movea lo( fred + 0xffff ), r1, r1 | |
1e50d24d RS |
413 | |
414 | HI16S: 0x0001 + (0x00007000 >> 16) | |
415 | LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff (carry into bit 16 is lost) | |
416 | ||
417 | 0x00010000 | |
418 | + 0x00006fff (bit 15 not set, so the top half is zero) | |
419 | ------------ | |
420 | 0x00016fff which is right (assuming that fred is at 0x7000) | |
421 | ||
422 | but if the 15th bit goes from being clear to being set, then we must | |
423 | once again handle overflow: | |
424 | ||
1cd986c5 NC |
425 | movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear] |
426 | movea lo( fred + 0x7000 ), r1, r1 | |
1e50d24d RS |
427 | |
428 | HI16S: 0x0000 + (0x0000ffff >> 16) | |
429 | LO16: 0x7000 + (0x0000ffff & 0xffff) = 0x6fff (carry into bit 16) | |
430 | ||
431 | 0x00000000 | |
432 | + 0x00006fff (bit 15 not set, so the top half is zero) | |
433 | ------------ | |
434 | 0x00006fff which is wrong (assuming that fred is at 0xffff). */ | |
435 | ||
436 | static bfd_boolean | |
437 | v850_elf_perform_lo16_relocation (bfd *abfd, unsigned long *insn, | |
438 | unsigned long addend) | |
439 | { | |
440 | #define BIT15_SET(x) ((x) & 0x8000) | |
441 | #define OVERFLOWS(a,i) ((((a) & 0xffff) + (i)) > 0xffff) | |
47b0e7ad | 442 | |
1e50d24d RS |
443 | if ((BIT15_SET (*insn + addend) && ! BIT15_SET (addend)) |
444 | || (OVERFLOWS (addend, *insn) | |
445 | && ((! BIT15_SET (*insn)) || (BIT15_SET (addend))))) | |
446 | { | |
447 | bfd_boolean already_updated; | |
448 | bfd_byte *hi16s_address = find_remembered_hi16s_reloc | |
449 | (addend, & already_updated); | |
450 | ||
451 | /* Amend the matching HI16_S relocation. */ | |
452 | if (hi16s_address != NULL) | |
453 | { | |
454 | if (! already_updated) | |
455 | { | |
456 | unsigned long hi_insn = bfd_get_16 (abfd, hi16s_address); | |
457 | hi_insn += 1; | |
458 | bfd_put_16 (abfd, hi_insn, hi16s_address); | |
459 | } | |
460 | } | |
461 | else | |
462 | { | |
4a97a0e5 | 463 | (*_bfd_error_handler) (_("FAILED to find previous HI16 reloc")); |
1e50d24d RS |
464 | return FALSE; |
465 | } | |
466 | } | |
467 | #undef OVERFLOWS | |
468 | #undef BIT15_SET | |
469 | ||
470 | /* Do not complain if value has top bit set, as this has been | |
471 | anticipated. */ | |
472 | *insn = (*insn + addend) & 0xffff; | |
473 | return TRUE; | |
474 | } | |
475 | ||
252b5132 | 476 | /* FIXME: The code here probably ought to be removed and the code in reloc.c |
4cc11e76 | 477 | allowed to do its stuff instead. At least for most of the relocs, anyway. */ |
e12dd2ea | 478 | |
252b5132 | 479 | static bfd_reloc_status_type |
47b0e7ad NC |
480 | v850_elf_perform_relocation (bfd *abfd, |
481 | unsigned int r_type, | |
482 | bfd_vma addend, | |
483 | bfd_byte *address) | |
252b5132 RH |
484 | { |
485 | unsigned long insn; | |
1e50d24d | 486 | unsigned long result; |
252b5132 | 487 | bfd_signed_vma saddend = (bfd_signed_vma) addend; |
435b1e90 | 488 | |
252b5132 RH |
489 | switch (r_type) |
490 | { | |
491 | default: | |
de863c74 NC |
492 | #ifdef DEBUG |
493 | fprintf (stderr, "reloc number %d not recognised\n", r_type); | |
494 | #endif | |
252b5132 | 495 | return bfd_reloc_notsupported; |
435b1e90 | 496 | |
e30ddb24 NC |
497 | case R_V850_REL32: |
498 | case R_V850_ABS32: | |
de863c74 NC |
499 | case R_V810_WORD: |
500 | case R_V850_PC32: | |
252b5132 RH |
501 | bfd_put_32 (abfd, addend, address); |
502 | return bfd_reloc_ok; | |
435b1e90 | 503 | |
de863c74 | 504 | case R_V850_WLO23: |
1cd986c5 NC |
505 | case R_V850_23: |
506 | insn = bfd_get_32 (abfd, address); | |
507 | insn &= ~((0x7f << 4) | (0x7fff80 << (16-7))); | |
508 | insn |= ((addend & 0x7f) << 4) | ((addend & 0x7fff80) << (16-7)); | |
509 | bfd_put_32 (abfd, (bfd_vma) insn, address); | |
510 | return bfd_reloc_ok; | |
511 | ||
de863c74 | 512 | case R_V850_PCR22: |
252b5132 RH |
513 | case R_V850_22_PCREL: |
514 | if (saddend > 0x1fffff || saddend < -0x200000) | |
515 | return bfd_reloc_overflow; | |
435b1e90 | 516 | |
252b5132 RH |
517 | if ((addend % 2) != 0) |
518 | return bfd_reloc_dangerous; | |
435b1e90 | 519 | |
252b5132 RH |
520 | insn = bfd_get_32 (abfd, address); |
521 | insn &= ~0xfffe003f; | |
522 | insn |= (((addend & 0xfffe) << 16) | ((addend & 0x3f0000) >> 16)); | |
dc810e39 | 523 | bfd_put_32 (abfd, (bfd_vma) insn, address); |
252b5132 | 524 | return bfd_reloc_ok; |
435b1e90 | 525 | |
de863c74 | 526 | case R_V850_PC17: |
1cd986c5 NC |
527 | case R_V850_17_PCREL: |
528 | if (saddend > 0xffff || saddend < -0x10000) | |
529 | return bfd_reloc_overflow; | |
530 | ||
531 | if ((addend % 2) != 0) | |
532 | return bfd_reloc_dangerous; | |
533 | ||
534 | insn = bfd_get_32 (abfd, address); | |
535 | insn &= ~ 0xfffe0010; | |
536 | insn |= ((addend & 0xfffe) << 16) | ((addend & 0x10000) >> (16-4)); | |
537 | break; | |
538 | ||
de863c74 | 539 | case R_V850_PC16U: |
1cd986c5 NC |
540 | case R_V850_16_PCREL: |
541 | if ((saddend < -0xffff) || (saddend > 0)) | |
542 | return bfd_reloc_overflow; | |
543 | ||
544 | if ((addend % 2) != 0) | |
545 | return bfd_reloc_dangerous; | |
546 | ||
547 | insn = bfd_get_16 (abfd, address); | |
548 | insn &= ~0xfffe; | |
549 | insn |= (-addend & 0xfffe); | |
550 | break; | |
551 | ||
de863c74 | 552 | case R_V850_PC9: |
252b5132 RH |
553 | case R_V850_9_PCREL: |
554 | if (saddend > 0xff || saddend < -0x100) | |
555 | return bfd_reloc_overflow; | |
435b1e90 | 556 | |
252b5132 RH |
557 | if ((addend % 2) != 0) |
558 | return bfd_reloc_dangerous; | |
435b1e90 | 559 | |
252b5132 RH |
560 | insn = bfd_get_16 (abfd, address); |
561 | insn &= ~ 0xf870; | |
562 | insn |= ((addend & 0x1f0) << 7) | ((addend & 0x0e) << 3); | |
563 | break; | |
435b1e90 | 564 | |
de863c74 | 565 | case R_V810_WHI: |
252b5132 RH |
566 | case R_V850_HI16: |
567 | addend += (bfd_get_16 (abfd, address) << 16); | |
568 | addend = (addend >> 16); | |
569 | insn = addend; | |
570 | break; | |
435b1e90 | 571 | |
de863c74 | 572 | case R_V810_WHI1: |
252b5132 RH |
573 | case R_V850_HI16_S: |
574 | /* Remember where this relocation took place. */ | |
575 | remember_hi16s_reloc (abfd, addend, address); | |
576 | ||
577 | addend += (bfd_get_16 (abfd, address) << 16); | |
578 | addend = (addend >> 16) + ((addend & 0x8000) != 0); | |
435b1e90 KH |
579 | |
580 | /* This relocation cannot overflow. */ | |
4d421096 | 581 | if (addend > 0xffff) |
252b5132 | 582 | addend = 0; |
435b1e90 | 583 | |
252b5132 RH |
584 | insn = addend; |
585 | break; | |
435b1e90 | 586 | |
de863c74 | 587 | case R_V810_WLO: |
252b5132 | 588 | case R_V850_LO16: |
1e50d24d RS |
589 | insn = bfd_get_16 (abfd, address); |
590 | if (! v850_elf_perform_lo16_relocation (abfd, &insn, addend)) | |
591 | return bfd_reloc_overflow; | |
592 | break; | |
252b5132 | 593 | |
de863c74 | 594 | case R_V810_BYTE: |
252b5132 RH |
595 | case R_V850_8: |
596 | addend += (char) bfd_get_8 (abfd, address); | |
597 | ||
598 | saddend = (bfd_signed_vma) addend; | |
435b1e90 | 599 | |
252b5132 RH |
600 | if (saddend > 0x7f || saddend < -0x80) |
601 | return bfd_reloc_overflow; | |
602 | ||
603 | bfd_put_8 (abfd, addend, address); | |
604 | return bfd_reloc_ok; | |
605 | ||
606 | case R_V850_CALLT_16_16_OFFSET: | |
607 | addend += bfd_get_16 (abfd, address); | |
435b1e90 | 608 | |
252b5132 | 609 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 610 | |
252b5132 RH |
611 | if (saddend > 0xffff || saddend < 0) |
612 | return bfd_reloc_overflow; | |
613 | ||
614 | insn = addend; | |
615 | break; | |
435b1e90 | 616 | |
1cd986c5 NC |
617 | case R_V850_CALLT_15_16_OFFSET: |
618 | insn = bfd_get_16 (abfd, address); | |
619 | ||
5bb3703f | 620 | addend += insn & 0xfffe; |
1cd986c5 NC |
621 | |
622 | saddend = (bfd_signed_vma) addend; | |
623 | ||
624 | if (saddend > 0xffff || saddend < 0) | |
625 | return bfd_reloc_overflow; | |
626 | ||
627 | insn = (0xfffe & addend) | |
628 | | (insn & ~0xfffe); | |
629 | break; | |
630 | ||
631 | case R_V850_CALLT_6_7_OFFSET: | |
632 | insn = bfd_get_16 (abfd, address); | |
633 | addend += ((insn & 0x3f) << 1); | |
634 | ||
635 | saddend = (bfd_signed_vma) addend; | |
636 | ||
637 | if (saddend > 0x7e || saddend < 0) | |
638 | return bfd_reloc_overflow; | |
639 | ||
640 | if (addend & 1) | |
641 | return bfd_reloc_dangerous; | |
642 | ||
643 | insn &= 0xff80; | |
644 | insn |= (addend >> 1); | |
645 | break; | |
646 | ||
252b5132 | 647 | case R_V850_16: |
de863c74 | 648 | case R_V810_HWORD: |
252b5132 RH |
649 | case R_V850_SDA_16_16_OFFSET: |
650 | case R_V850_ZDA_16_16_OFFSET: | |
651 | case R_V850_TDA_16_16_OFFSET: | |
652 | addend += bfd_get_16 (abfd, address); | |
435b1e90 | 653 | |
252b5132 | 654 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 655 | |
252b5132 RH |
656 | if (saddend > 0x7fff || saddend < -0x8000) |
657 | return bfd_reloc_overflow; | |
658 | ||
659 | insn = addend; | |
660 | break; | |
435b1e90 | 661 | |
1cd986c5 | 662 | case R_V850_16_S1: |
252b5132 RH |
663 | case R_V850_SDA_15_16_OFFSET: |
664 | case R_V850_ZDA_15_16_OFFSET: | |
de863c74 | 665 | case R_V810_GPWLO_1: |
252b5132 RH |
666 | insn = bfd_get_16 (abfd, address); |
667 | addend += (insn & 0xfffe); | |
435b1e90 | 668 | |
252b5132 | 669 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 670 | |
252b5132 RH |
671 | if (saddend > 0x7ffe || saddend < -0x8000) |
672 | return bfd_reloc_overflow; | |
435b1e90 | 673 | |
252b5132 RH |
674 | if (addend & 1) |
675 | return bfd_reloc_dangerous; | |
435b1e90 | 676 | |
dc810e39 | 677 | insn = (addend &~ (bfd_vma) 1) | (insn & 1); |
252b5132 | 678 | break; |
435b1e90 | 679 | |
252b5132 RH |
680 | case R_V850_TDA_6_8_OFFSET: |
681 | insn = bfd_get_16 (abfd, address); | |
682 | addend += ((insn & 0x7e) << 1); | |
435b1e90 | 683 | |
252b5132 | 684 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 685 | |
252b5132 RH |
686 | if (saddend > 0xfc || saddend < 0) |
687 | return bfd_reloc_overflow; | |
435b1e90 | 688 | |
252b5132 RH |
689 | if (addend & 3) |
690 | return bfd_reloc_dangerous; | |
435b1e90 | 691 | |
252b5132 RH |
692 | insn &= 0xff81; |
693 | insn |= (addend >> 1); | |
694 | break; | |
435b1e90 | 695 | |
252b5132 RH |
696 | case R_V850_TDA_7_8_OFFSET: |
697 | insn = bfd_get_16 (abfd, address); | |
698 | addend += ((insn & 0x7f) << 1); | |
435b1e90 | 699 | |
252b5132 | 700 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 701 | |
252b5132 RH |
702 | if (saddend > 0xfe || saddend < 0) |
703 | return bfd_reloc_overflow; | |
435b1e90 | 704 | |
252b5132 RH |
705 | if (addend & 1) |
706 | return bfd_reloc_dangerous; | |
435b1e90 | 707 | |
252b5132 RH |
708 | insn &= 0xff80; |
709 | insn |= (addend >> 1); | |
710 | break; | |
435b1e90 | 711 | |
252b5132 RH |
712 | case R_V850_TDA_7_7_OFFSET: |
713 | insn = bfd_get_16 (abfd, address); | |
714 | addend += insn & 0x7f; | |
435b1e90 | 715 | |
252b5132 | 716 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 717 | |
252b5132 RH |
718 | if (saddend > 0x7f || saddend < 0) |
719 | return bfd_reloc_overflow; | |
435b1e90 | 720 | |
252b5132 RH |
721 | insn &= 0xff80; |
722 | insn |= addend; | |
723 | break; | |
435b1e90 | 724 | |
252b5132 RH |
725 | case R_V850_TDA_4_5_OFFSET: |
726 | insn = bfd_get_16 (abfd, address); | |
727 | addend += ((insn & 0xf) << 1); | |
435b1e90 | 728 | |
252b5132 | 729 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 730 | |
252b5132 RH |
731 | if (saddend > 0x1e || saddend < 0) |
732 | return bfd_reloc_overflow; | |
435b1e90 | 733 | |
252b5132 RH |
734 | if (addend & 1) |
735 | return bfd_reloc_dangerous; | |
435b1e90 | 736 | |
252b5132 RH |
737 | insn &= 0xfff0; |
738 | insn |= (addend >> 1); | |
739 | break; | |
435b1e90 | 740 | |
252b5132 RH |
741 | case R_V850_TDA_4_4_OFFSET: |
742 | insn = bfd_get_16 (abfd, address); | |
743 | addend += insn & 0xf; | |
435b1e90 | 744 | |
252b5132 | 745 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 746 | |
252b5132 RH |
747 | if (saddend > 0xf || saddend < 0) |
748 | return bfd_reloc_overflow; | |
435b1e90 | 749 | |
252b5132 RH |
750 | insn &= 0xfff0; |
751 | insn |= addend; | |
752 | break; | |
435b1e90 | 753 | |
de863c74 NC |
754 | case R_V810_WLO_1: |
755 | case R_V850_HWLO: | |
756 | case R_V850_HWLO_1: | |
1cd986c5 NC |
757 | case R_V850_LO16_S1: |
758 | insn = bfd_get_16 (abfd, address); | |
759 | result = insn & 0xfffe; | |
760 | if (! v850_elf_perform_lo16_relocation (abfd, &result, addend)) | |
761 | return bfd_reloc_overflow; | |
762 | if (result & 1) | |
763 | return bfd_reloc_overflow; | |
764 | insn = (result & 0xfffe) | |
765 | | (insn & ~0xfffe); | |
766 | bfd_put_16 (abfd, insn, address); | |
767 | return bfd_reloc_ok; | |
768 | ||
de863c74 | 769 | case R_V850_BLO: |
1e50d24d RS |
770 | case R_V850_LO16_SPLIT_OFFSET: |
771 | insn = bfd_get_32 (abfd, address); | |
772 | result = ((insn & 0xfffe0000) >> 16) | ((insn & 0x20) >> 5); | |
773 | if (! v850_elf_perform_lo16_relocation (abfd, &result, addend)) | |
774 | return bfd_reloc_overflow; | |
775 | insn = (((result << 16) & 0xfffe0000) | |
776 | | ((result << 5) & 0x20) | |
777 | | (insn & ~0xfffe0020)); | |
778 | bfd_put_32 (abfd, insn, address); | |
779 | return bfd_reloc_ok; | |
780 | ||
1cd986c5 | 781 | case R_V850_16_SPLIT_OFFSET: |
252b5132 | 782 | case R_V850_SDA_16_16_SPLIT_OFFSET: |
1cd986c5 | 783 | case R_V850_ZDA_16_16_SPLIT_OFFSET: |
252b5132 RH |
784 | insn = bfd_get_32 (abfd, address); |
785 | addend += ((insn & 0xfffe0000) >> 16) + ((insn & 0x20) >> 5); | |
435b1e90 | 786 | |
252b5132 | 787 | saddend = (bfd_signed_vma) addend; |
435b1e90 | 788 | |
252b5132 RH |
789 | if (saddend > 0x7fff || saddend < -0x8000) |
790 | return bfd_reloc_overflow; | |
435b1e90 | 791 | |
252b5132 RH |
792 | insn &= 0x0001ffdf; |
793 | insn |= (addend & 1) << 5; | |
dc810e39 | 794 | insn |= (addend &~ (bfd_vma) 1) << 16; |
435b1e90 | 795 | |
dc810e39 | 796 | bfd_put_32 (abfd, (bfd_vma) insn, address); |
252b5132 | 797 | return bfd_reloc_ok; |
435b1e90 | 798 | |
252b5132 RH |
799 | case R_V850_GNU_VTINHERIT: |
800 | case R_V850_GNU_VTENTRY: | |
801 | return bfd_reloc_ok; | |
802 | ||
803 | } | |
804 | ||
dc810e39 | 805 | bfd_put_16 (abfd, (bfd_vma) insn, address); |
252b5132 RH |
806 | return bfd_reloc_ok; |
807 | } | |
252b5132 RH |
808 | \f |
809 | /* Insert the addend into the instruction. */ | |
e12dd2ea | 810 | |
252b5132 | 811 | static bfd_reloc_status_type |
47b0e7ad NC |
812 | v850_elf_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
813 | arelent *reloc, | |
814 | asymbol *symbol, | |
815 | void * data ATTRIBUTE_UNUSED, | |
816 | asection *isection, | |
817 | bfd *obfd, | |
818 | char **err ATTRIBUTE_UNUSED) | |
252b5132 RH |
819 | { |
820 | long relocation; | |
435b1e90 | 821 | |
252b5132 RH |
822 | /* If there is an output BFD, |
823 | and the symbol is not a section name (which is only defined at final link time), | |
824 | and either we are not putting the addend into the instruction | |
e12dd2ea | 825 | or the addend is zero, so there is nothing to add into the instruction |
252b5132 | 826 | then just fixup the address and return. */ |
47b0e7ad | 827 | if (obfd != NULL |
252b5132 RH |
828 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
829 | && (! reloc->howto->partial_inplace | |
830 | || reloc->addend == 0)) | |
831 | { | |
832 | reloc->address += isection->output_offset; | |
833 | return bfd_reloc_ok; | |
834 | } | |
435b1e90 | 835 | |
252b5132 RH |
836 | /* Catch relocs involving undefined symbols. */ |
837 | if (bfd_is_und_section (symbol->section) | |
838 | && (symbol->flags & BSF_WEAK) == 0 | |
839 | && obfd == NULL) | |
840 | return bfd_reloc_undefined; | |
841 | ||
842 | /* We handle final linking of some relocs ourselves. */ | |
843 | ||
844 | /* Is the address of the relocation really within the section? */ | |
07515404 | 845 | if (reloc->address > bfd_get_section_limit (abfd, isection)) |
252b5132 | 846 | return bfd_reloc_outofrange; |
435b1e90 | 847 | |
4cc11e76 | 848 | /* Work out which section the relocation is targeted at and the |
252b5132 | 849 | initial relocation command value. */ |
435b1e90 | 850 | |
b34976b6 | 851 | if (reloc->howto->pc_relative) |
86aba9db NC |
852 | return bfd_reloc_ok; |
853 | ||
252b5132 RH |
854 | /* Get symbol value. (Common symbols are special.) */ |
855 | if (bfd_is_com_section (symbol->section)) | |
856 | relocation = 0; | |
857 | else | |
858 | relocation = symbol->value; | |
435b1e90 | 859 | |
252b5132 RH |
860 | /* Convert input-section-relative symbol value to absolute + addend. */ |
861 | relocation += symbol->section->output_section->vma; | |
862 | relocation += symbol->section->output_offset; | |
863 | relocation += reloc->addend; | |
435b1e90 | 864 | |
435b1e90 | 865 | reloc->addend = relocation; |
252b5132 RH |
866 | return bfd_reloc_ok; |
867 | } | |
86aba9db NC |
868 | |
869 | /* This function is used for relocs which are only used | |
870 | for relaxing, which the linker should otherwise ignore. */ | |
871 | ||
872 | static bfd_reloc_status_type | |
47b0e7ad NC |
873 | v850_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
874 | arelent *reloc_entry, | |
875 | asymbol *symbol ATTRIBUTE_UNUSED, | |
876 | void * data ATTRIBUTE_UNUSED, | |
877 | asection *input_section, | |
878 | bfd *output_bfd, | |
879 | char **error_message ATTRIBUTE_UNUSED) | |
86aba9db NC |
880 | { |
881 | if (output_bfd != NULL) | |
882 | reloc_entry->address += input_section->output_offset; | |
883 | ||
884 | return bfd_reloc_ok; | |
885 | } | |
47b0e7ad | 886 | /* Note: It is REQUIRED that the 'type' value of each entry |
1cd986c5 | 887 | in this array match the index of the entry in the array. |
de863c74 | 888 | SeeAlso: RELOC_NUBMER in include/elf/v850.h. */ |
47b0e7ad NC |
889 | static reloc_howto_type v850_elf_howto_table[] = |
890 | { | |
891 | /* This reloc does nothing. */ | |
892 | HOWTO (R_V850_NONE, /* Type. */ | |
893 | 0, /* Rightshift. */ | |
894 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
895 | 32, /* Bitsize. */ | |
896 | FALSE, /* PC_relative. */ | |
897 | 0, /* Bitpos. */ | |
898 | complain_overflow_bitfield, /* Complain_on_overflow. */ | |
899 | bfd_elf_generic_reloc, /* Special_function. */ | |
900 | "R_V850_NONE", /* Name. */ | |
901 | FALSE, /* Partial_inplace. */ | |
902 | 0, /* Src_mask. */ | |
903 | 0, /* Dst_mask. */ | |
904 | FALSE), /* PCrel_offset. */ | |
905 | ||
906 | /* A PC relative 9 bit branch. */ | |
907 | HOWTO (R_V850_9_PCREL, /* Type. */ | |
1cd986c5 NC |
908 | 0, /* Rightshift. */ |
909 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
910 | 9, /* Bitsize. */ | |
47b0e7ad NC |
911 | TRUE, /* PC_relative. */ |
912 | 0, /* Bitpos. */ | |
913 | complain_overflow_bitfield, /* Complain_on_overflow. */ | |
914 | v850_elf_reloc, /* Special_function. */ | |
915 | "R_V850_9_PCREL", /* Name. */ | |
916 | FALSE, /* Partial_inplace. */ | |
917 | 0x00ffffff, /* Src_mask. */ | |
918 | 0x00ffffff, /* Dst_mask. */ | |
919 | TRUE), /* PCrel_offset. */ | |
920 | ||
921 | /* A PC relative 22 bit branch. */ | |
922 | HOWTO (R_V850_22_PCREL, /* Type. */ | |
1cd986c5 | 923 | 0, /* Rightshift. */ |
47b0e7ad NC |
924 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
925 | 22, /* Bitsize. */ | |
926 | TRUE, /* PC_relative. */ | |
1cd986c5 | 927 | 0, /* Bitpos. */ |
47b0e7ad NC |
928 | complain_overflow_signed, /* Complain_on_overflow. */ |
929 | v850_elf_reloc, /* Special_function. */ | |
930 | "R_V850_22_PCREL", /* Name. */ | |
931 | FALSE, /* Partial_inplace. */ | |
932 | 0x07ffff80, /* Src_mask. */ | |
933 | 0x07ffff80, /* Dst_mask. */ | |
934 | TRUE), /* PCrel_offset. */ | |
935 | ||
936 | /* High 16 bits of symbol value. */ | |
937 | HOWTO (R_V850_HI16_S, /* Type. */ | |
938 | 0, /* Rightshift. */ | |
939 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
940 | 16, /* Bitsize. */ | |
941 | FALSE, /* PC_relative. */ | |
942 | 0, /* Bitpos. */ | |
943 | complain_overflow_dont, /* Complain_on_overflow. */ | |
944 | v850_elf_reloc, /* Special_function. */ | |
945 | "R_V850_HI16_S", /* Name. */ | |
946 | FALSE, /* Partial_inplace. */ | |
947 | 0xffff, /* Src_mask. */ | |
948 | 0xffff, /* Dst_mask. */ | |
949 | FALSE), /* PCrel_offset. */ | |
950 | ||
951 | /* High 16 bits of symbol value. */ | |
952 | HOWTO (R_V850_HI16, /* Type. */ | |
953 | 0, /* Rightshift. */ | |
954 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
955 | 16, /* Bitsize. */ | |
956 | FALSE, /* PC_relative. */ | |
957 | 0, /* Bitpos. */ | |
958 | complain_overflow_dont, /* Complain_on_overflow. */ | |
959 | v850_elf_reloc, /* Special_function. */ | |
960 | "R_V850_HI16", /* Name. */ | |
961 | FALSE, /* Partial_inplace. */ | |
962 | 0xffff, /* Src_mask. */ | |
963 | 0xffff, /* Dst_mask. */ | |
964 | FALSE), /* PCrel_offset. */ | |
965 | ||
966 | /* Low 16 bits of symbol value. */ | |
967 | HOWTO (R_V850_LO16, /* Type. */ | |
968 | 0, /* Rightshift. */ | |
969 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
970 | 16, /* Bitsize. */ | |
971 | FALSE, /* PC_relative. */ | |
972 | 0, /* Bitpos. */ | |
973 | complain_overflow_dont, /* Complain_on_overflow. */ | |
974 | v850_elf_reloc, /* Special_function. */ | |
975 | "R_V850_LO16", /* Name. */ | |
976 | FALSE, /* Partial_inplace. */ | |
977 | 0xffff, /* Src_mask. */ | |
978 | 0xffff, /* Dst_mask. */ | |
979 | FALSE), /* PCrel_offset. */ | |
980 | ||
981 | /* Simple 32bit reloc. */ | |
982 | HOWTO (R_V850_ABS32, /* Type. */ | |
983 | 0, /* Rightshift. */ | |
984 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
985 | 32, /* Bitsize. */ | |
986 | FALSE, /* PC_relative. */ | |
987 | 0, /* Bitpos. */ | |
988 | complain_overflow_dont, /* Complain_on_overflow. */ | |
989 | v850_elf_reloc, /* Special_function. */ | |
990 | "R_V850_ABS32", /* Name. */ | |
991 | FALSE, /* Partial_inplace. */ | |
992 | 0xffffffff, /* Src_mask. */ | |
993 | 0xffffffff, /* Dst_mask. */ | |
994 | FALSE), /* PCrel_offset. */ | |
995 | ||
996 | /* Simple 16bit reloc. */ | |
997 | HOWTO (R_V850_16, /* Type. */ | |
998 | 0, /* Rightshift. */ | |
999 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1000 | 16, /* Bitsize. */ | |
1001 | FALSE, /* PC_relative. */ | |
1002 | 0, /* Bitpos. */ | |
1003 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1004 | bfd_elf_generic_reloc, /* Special_function. */ | |
1005 | "R_V850_16", /* Name. */ | |
1006 | FALSE, /* Partial_inplace. */ | |
1007 | 0xffff, /* Src_mask. */ | |
1008 | 0xffff, /* Dst_mask. */ | |
1009 | FALSE), /* PCrel_offset. */ | |
1010 | ||
1011 | /* Simple 8bit reloc. */ | |
1012 | HOWTO (R_V850_8, /* Type. */ | |
1013 | 0, /* Rightshift. */ | |
1014 | 0, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1015 | 8, /* Bitsize. */ | |
1016 | FALSE, /* PC_relative. */ | |
1017 | 0, /* Bitpos. */ | |
1018 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1019 | bfd_elf_generic_reloc, /* Special_function. */ | |
1020 | "R_V850_8", /* Name. */ | |
1021 | FALSE, /* Partial_inplace. */ | |
1022 | 0xff, /* Src_mask. */ | |
1023 | 0xff, /* Dst_mask. */ | |
1024 | FALSE), /* PCrel_offset. */ | |
1025 | ||
1026 | /* 16 bit offset from the short data area pointer. */ | |
1027 | HOWTO (R_V850_SDA_16_16_OFFSET, /* Type. */ | |
1028 | 0, /* Rightshift. */ | |
1029 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1030 | 16, /* Bitsize. */ | |
1031 | FALSE, /* PC_relative. */ | |
1032 | 0, /* Bitpos. */ | |
1033 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1034 | v850_elf_reloc, /* Special_function. */ | |
1035 | "R_V850_SDA_16_16_OFFSET", /* Name. */ | |
1036 | FALSE, /* Partial_inplace. */ | |
1037 | 0xffff, /* Src_mask. */ | |
1038 | 0xffff, /* Dst_mask. */ | |
1039 | FALSE), /* PCrel_offset. */ | |
1040 | ||
1041 | /* 15 bit offset from the short data area pointer. */ | |
1042 | HOWTO (R_V850_SDA_15_16_OFFSET, /* Type. */ | |
1043 | 1, /* Rightshift. */ | |
1044 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1045 | 16, /* Bitsize. */ | |
1046 | FALSE, /* PC_relative. */ | |
1047 | 1, /* Bitpos. */ | |
1048 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1049 | v850_elf_reloc, /* Special_function. */ | |
1050 | "R_V850_SDA_15_16_OFFSET", /* Name. */ | |
1051 | FALSE, /* Partial_inplace. */ | |
1052 | 0xfffe, /* Src_mask. */ | |
1053 | 0xfffe, /* Dst_mask. */ | |
1054 | FALSE), /* PCrel_offset. */ | |
1055 | ||
1056 | /* 16 bit offset from the zero data area pointer. */ | |
1057 | HOWTO (R_V850_ZDA_16_16_OFFSET, /* Type. */ | |
1058 | 0, /* Rightshift. */ | |
1059 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1060 | 16, /* Bitsize. */ | |
1061 | FALSE, /* PC_relative. */ | |
1062 | 0, /* Bitpos. */ | |
1063 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1064 | v850_elf_reloc, /* Special_function. */ | |
1065 | "R_V850_ZDA_16_16_OFFSET", /* Name. */ | |
1066 | FALSE, /* Partial_inplace. */ | |
1067 | 0xffff, /* Src_mask. */ | |
1068 | 0xffff, /* Dst_mask. */ | |
1069 | FALSE), /* PCrel_offset. */ | |
1070 | ||
1071 | /* 15 bit offset from the zero data area pointer. */ | |
1072 | HOWTO (R_V850_ZDA_15_16_OFFSET, /* Type. */ | |
1073 | 1, /* Rightshift. */ | |
1074 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1075 | 16, /* Bitsize. */ | |
1076 | FALSE, /* PC_relative. */ | |
1077 | 1, /* Bitpos. */ | |
1078 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1079 | v850_elf_reloc, /* Special_function. */ | |
1080 | "R_V850_ZDA_15_16_OFFSET", /* Name. */ | |
1081 | FALSE, /* Partial_inplace. */ | |
1082 | 0xfffe, /* Src_mask. */ | |
1083 | 0xfffe, /* Dst_mask. */ | |
1084 | FALSE), /* PCrel_offset. */ | |
1085 | ||
1086 | /* 6 bit offset from the tiny data area pointer. */ | |
1087 | HOWTO (R_V850_TDA_6_8_OFFSET, /* Type. */ | |
1088 | 2, /* Rightshift. */ | |
1089 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1090 | 8, /* Bitsize. */ | |
1091 | FALSE, /* PC_relative. */ | |
1092 | 1, /* Bitpos. */ | |
1093 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1094 | v850_elf_reloc, /* Special_function. */ | |
1095 | "R_V850_TDA_6_8_OFFSET", /* Name. */ | |
1096 | FALSE, /* Partial_inplace. */ | |
1097 | 0x7e, /* Src_mask. */ | |
1098 | 0x7e, /* Dst_mask. */ | |
1099 | FALSE), /* PCrel_offset. */ | |
1100 | ||
1101 | /* 8 bit offset from the tiny data area pointer. */ | |
1102 | HOWTO (R_V850_TDA_7_8_OFFSET, /* Type. */ | |
1103 | 1, /* Rightshift. */ | |
1104 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1105 | 8, /* Bitsize. */ | |
1106 | FALSE, /* PC_relative. */ | |
1107 | 0, /* Bitpos. */ | |
1108 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1109 | v850_elf_reloc, /* Special_function. */ | |
1110 | "R_V850_TDA_7_8_OFFSET", /* Name. */ | |
1111 | FALSE, /* Partial_inplace. */ | |
1112 | 0x7f, /* Src_mask. */ | |
1113 | 0x7f, /* Dst_mask. */ | |
1114 | FALSE), /* PCrel_offset. */ | |
1115 | ||
1116 | /* 7 bit offset from the tiny data area pointer. */ | |
1117 | HOWTO (R_V850_TDA_7_7_OFFSET, /* Type. */ | |
1118 | 0, /* Rightshift. */ | |
1119 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1120 | 7, /* Bitsize. */ | |
1121 | FALSE, /* PC_relative. */ | |
1122 | 0, /* Bitpos. */ | |
1123 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1124 | v850_elf_reloc, /* Special_function. */ | |
1125 | "R_V850_TDA_7_7_OFFSET", /* Name. */ | |
1126 | FALSE, /* Partial_inplace. */ | |
1127 | 0x7f, /* Src_mask. */ | |
1128 | 0x7f, /* Dst_mask. */ | |
1129 | FALSE), /* PCrel_offset. */ | |
1130 | ||
1131 | /* 16 bit offset from the tiny data area pointer! */ | |
1132 | HOWTO (R_V850_TDA_16_16_OFFSET, /* Type. */ | |
1133 | 0, /* Rightshift. */ | |
1134 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1135 | 16, /* Bitsize. */ | |
1136 | FALSE, /* PC_relative. */ | |
1137 | 0, /* Bitpos. */ | |
1138 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1139 | v850_elf_reloc, /* Special_function. */ | |
1140 | "R_V850_TDA_16_16_OFFSET", /* Name. */ | |
1141 | FALSE, /* Partial_inplace. */ | |
1142 | 0xffff, /* Src_mask. */ | |
1143 | 0xfff, /* Dst_mask. */ | |
1144 | FALSE), /* PCrel_offset. */ | |
1145 | ||
1146 | /* 5 bit offset from the tiny data area pointer. */ | |
1147 | HOWTO (R_V850_TDA_4_5_OFFSET, /* Type. */ | |
1148 | 1, /* Rightshift. */ | |
1149 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1150 | 5, /* Bitsize. */ | |
1151 | FALSE, /* PC_relative. */ | |
1152 | 0, /* Bitpos. */ | |
1153 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1154 | v850_elf_reloc, /* Special_function. */ | |
1155 | "R_V850_TDA_4_5_OFFSET", /* Name. */ | |
1156 | FALSE, /* Partial_inplace. */ | |
1157 | 0x0f, /* Src_mask. */ | |
1158 | 0x0f, /* Dst_mask. */ | |
1159 | FALSE), /* PCrel_offset. */ | |
1160 | ||
1161 | /* 4 bit offset from the tiny data area pointer. */ | |
1162 | HOWTO (R_V850_TDA_4_4_OFFSET, /* Type. */ | |
1163 | 0, /* Rightshift. */ | |
1164 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1165 | 4, /* Bitsize. */ | |
1166 | FALSE, /* PC_relative. */ | |
1167 | 0, /* Bitpos. */ | |
1168 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1169 | v850_elf_reloc, /* Special_function. */ | |
1170 | "R_V850_TDA_4_4_OFFSET", /* Name. */ | |
1171 | FALSE, /* Partial_inplace. */ | |
1172 | 0x0f, /* Src_mask. */ | |
1173 | 0x0f, /* Dst_mask. */ | |
1174 | FALSE), /* PCrel_offset. */ | |
1175 | ||
1176 | /* 16 bit offset from the short data area pointer. */ | |
1177 | HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* Type. */ | |
1178 | 0, /* Rightshift. */ | |
1179 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1180 | 16, /* Bitsize. */ | |
1181 | FALSE, /* PC_relative. */ | |
1182 | 0, /* Bitpos. */ | |
1183 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1184 | v850_elf_reloc, /* Special_function. */ | |
1185 | "R_V850_SDA_16_16_SPLIT_OFFSET",/* Name. */ | |
1186 | FALSE, /* Partial_inplace. */ | |
1187 | 0xfffe0020, /* Src_mask. */ | |
1188 | 0xfffe0020, /* Dst_mask. */ | |
1189 | FALSE), /* PCrel_offset. */ | |
1190 | ||
1191 | /* 16 bit offset from the zero data area pointer. */ | |
1192 | HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* Type. */ | |
1193 | 0, /* Rightshift. */ | |
1194 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1195 | 16, /* Bitsize. */ | |
1196 | FALSE, /* PC_relative. */ | |
1197 | 0, /* Bitpos. */ | |
1198 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1199 | v850_elf_reloc, /* Special_function. */ | |
1200 | "R_V850_ZDA_16_16_SPLIT_OFFSET",/* Name. */ | |
1201 | FALSE, /* Partial_inplace. */ | |
1202 | 0xfffe0020, /* Src_mask. */ | |
1203 | 0xfffe0020, /* Dst_mask. */ | |
1204 | FALSE), /* PCrel_offset. */ | |
1205 | ||
1206 | /* 6 bit offset from the call table base pointer. */ | |
1207 | HOWTO (R_V850_CALLT_6_7_OFFSET, /* Type. */ | |
1208 | 0, /* Rightshift. */ | |
1209 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1210 | 7, /* Bitsize. */ | |
1211 | FALSE, /* PC_relative. */ | |
1212 | 0, /* Bitpos. */ | |
1213 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1214 | v850_elf_reloc, /* Special_function. */ | |
1215 | "R_V850_CALLT_6_7_OFFSET", /* Name. */ | |
1216 | FALSE, /* Partial_inplace. */ | |
1217 | 0x3f, /* Src_mask. */ | |
1218 | 0x3f, /* Dst_mask. */ | |
1219 | FALSE), /* PCrel_offset. */ | |
1220 | ||
1221 | /* 16 bit offset from the call table base pointer. */ | |
1222 | HOWTO (R_V850_CALLT_16_16_OFFSET, /* Type. */ | |
1223 | 0, /* Rightshift. */ | |
1224 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1225 | 16, /* Bitsize. */ | |
1226 | FALSE, /* PC_relative. */ | |
1227 | 0, /* Bitpos. */ | |
1228 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1229 | v850_elf_reloc, /* Special_function. */ | |
1230 | "R_V850_CALLT_16_16_OFFSET", /* Name. */ | |
1231 | FALSE, /* Partial_inplace. */ | |
1232 | 0xffff, /* Src_mask. */ | |
1233 | 0xffff, /* Dst_mask. */ | |
1234 | FALSE), /* PCrel_offset. */ | |
1235 | ||
1cd986c5 | 1236 | |
47b0e7ad NC |
1237 | /* GNU extension to record C++ vtable hierarchy */ |
1238 | HOWTO (R_V850_GNU_VTINHERIT, /* Type. */ | |
1cd986c5 NC |
1239 | 0, /* Rightshift. */ |
1240 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1241 | 0, /* Bitsize. */ | |
1242 | FALSE, /* PC_relative. */ | |
1243 | 0, /* Bitpos. */ | |
1244 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1245 | NULL, /* Special_function. */ | |
1246 | "R_V850_GNU_VTINHERIT", /* Name. */ | |
1247 | FALSE, /* Partial_inplace. */ | |
1248 | 0, /* Src_mask. */ | |
1249 | 0, /* Dst_mask. */ | |
1250 | FALSE), /* PCrel_offset. */ | |
1251 | ||
1252 | /* GNU extension to record C++ vtable member usage. */ | |
47b0e7ad | 1253 | HOWTO (R_V850_GNU_VTENTRY, /* Type. */ |
1cd986c5 NC |
1254 | 0, /* Rightshift. */ |
1255 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1256 | 0, /* Bitsize. */ | |
1257 | FALSE, /* PC_relative. */ | |
1258 | 0, /* Bitpos. */ | |
1259 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1260 | _bfd_elf_rel_vtable_reloc_fn, /* Special_function. */ | |
1261 | "R_V850_GNU_VTENTRY", /* Name. */ | |
1262 | FALSE, /* Partial_inplace. */ | |
1263 | 0, /* Src_mask. */ | |
1264 | 0, /* Dst_mask. */ | |
1265 | FALSE), /* PCrel_offset. */ | |
47b0e7ad NC |
1266 | |
1267 | /* Indicates a .longcall pseudo-op. The compiler will generate a .longcall | |
1268 | pseudo-op when it finds a function call which can be relaxed. */ | |
1269 | HOWTO (R_V850_LONGCALL, /* Type. */ | |
1cd986c5 NC |
1270 | 0, /* Rightshift. */ |
1271 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1272 | 32, /* Bitsize. */ | |
1273 | TRUE, /* PC_relative. */ | |
1274 | 0, /* Bitpos. */ | |
1275 | complain_overflow_signed, /* Complain_on_overflow. */ | |
1276 | v850_elf_ignore_reloc, /* Special_function. */ | |
1277 | "R_V850_LONGCALL", /* Name. */ | |
1278 | FALSE, /* Partial_inplace. */ | |
1279 | 0, /* Src_mask. */ | |
1280 | 0, /* Dst_mask. */ | |
1281 | TRUE), /* PCrel_offset. */ | |
47b0e7ad NC |
1282 | |
1283 | /* Indicates a .longjump pseudo-op. The compiler will generate a | |
1284 | .longjump pseudo-op when it finds a branch which can be relaxed. */ | |
1285 | HOWTO (R_V850_LONGJUMP, /* Type. */ | |
1cd986c5 NC |
1286 | 0, /* Rightshift. */ |
1287 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1288 | 32, /* Bitsize. */ | |
1289 | TRUE, /* PC_relative. */ | |
1290 | 0, /* Bitpos. */ | |
1291 | complain_overflow_signed, /* Complain_on_overflow. */ | |
1292 | v850_elf_ignore_reloc, /* Special_function. */ | |
1293 | "R_V850_LONGJUMP", /* Name. */ | |
1294 | FALSE, /* Partial_inplace. */ | |
1295 | 0, /* Src_mask. */ | |
1296 | 0, /* Dst_mask. */ | |
1297 | TRUE), /* PCrel_offset. */ | |
47b0e7ad NC |
1298 | |
1299 | HOWTO (R_V850_ALIGN, /* Type. */ | |
1cd986c5 NC |
1300 | 0, /* Rightshift. */ |
1301 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1302 | 0, /* Bitsize. */ | |
1303 | FALSE, /* PC_relative. */ | |
1304 | 0, /* Bitpos. */ | |
1305 | complain_overflow_unsigned, /* Complain_on_overflow. */ | |
1306 | v850_elf_ignore_reloc, /* Special_function. */ | |
1307 | "R_V850_ALIGN", /* Name. */ | |
1308 | FALSE, /* Partial_inplace. */ | |
1309 | 0, /* Src_mask. */ | |
1310 | 0, /* Dst_mask. */ | |
1311 | TRUE), /* PCrel_offset. */ | |
1312 | ||
47b0e7ad NC |
1313 | /* Simple pc-relative 32bit reloc. */ |
1314 | HOWTO (R_V850_REL32, /* Type. */ | |
1315 | 0, /* Rightshift. */ | |
1316 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1317 | 32, /* Bitsize. */ | |
1318 | TRUE, /* PC_relative. */ | |
1319 | 0, /* Bitpos. */ | |
1320 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1321 | v850_elf_reloc, /* Special_function. */ | |
1322 | "R_V850_REL32", /* Name. */ | |
1323 | FALSE, /* Partial_inplace. */ | |
1324 | 0xffffffff, /* Src_mask. */ | |
1325 | 0xffffffff, /* Dst_mask. */ | |
1326 | FALSE), /* PCrel_offset. */ | |
1327 | ||
1328 | /* An ld.bu version of R_V850_LO16. */ | |
1329 | HOWTO (R_V850_LO16_SPLIT_OFFSET, /* Type. */ | |
1330 | 0, /* Rightshift. */ | |
1331 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1332 | 16, /* Bitsize. */ | |
1333 | FALSE, /* PC_relative. */ | |
1334 | 0, /* Bitpos. */ | |
1335 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1336 | v850_elf_reloc, /* Special_function. */ | |
1337 | "R_V850_LO16_SPLIT_OFFSET", /* Name. */ | |
1338 | FALSE, /* Partial_inplace. */ | |
1339 | 0xfffe0020, /* Src_mask. */ | |
1340 | 0xfffe0020, /* Dst_mask. */ | |
1341 | FALSE), /* PCrel_offset. */ | |
1cd986c5 NC |
1342 | |
1343 | /* A unsigned PC relative 16 bit loop. */ | |
1344 | HOWTO (R_V850_16_PCREL, /* Type. */ | |
1345 | 0, /* Rightshift. */ | |
1346 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1347 | 16, /* Bitsize. */ | |
1348 | TRUE, /* PC_relative. */ | |
1349 | 0, /* Bitpos. */ | |
1350 | complain_overflow_bitfield, /* Complain_on_overflow. */ | |
1351 | v850_elf_reloc, /* Special_function. */ | |
1352 | "R_V850_16_PCREL", /* Name. */ | |
1353 | FALSE, /* Partial_inplace. */ | |
1354 | 0xfffe, /* Src_mask. */ | |
1355 | 0xfffe, /* Dst_mask. */ | |
1356 | TRUE), /* PCrel_offset. */ | |
1357 | ||
1358 | /* A PC relative 17 bit branch. */ | |
1359 | HOWTO (R_V850_17_PCREL, /* Type. */ | |
1360 | 0, /* Rightshift. */ | |
1361 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1362 | 17, /* Bitsize. */ | |
1363 | TRUE, /* PC_relative. */ | |
1364 | 0, /* Bitpos. */ | |
1365 | complain_overflow_bitfield, /* Complain_on_overflow. */ | |
1366 | v850_elf_reloc, /* Special_function. */ | |
1367 | "R_V850_17_PCREL", /* Name. */ | |
1368 | FALSE, /* Partial_inplace. */ | |
1369 | 0x0010fffe, /* Src_mask. */ | |
1370 | 0x0010fffe, /* Dst_mask. */ | |
1371 | TRUE), /* PCrel_offset. */ | |
1372 | ||
1373 | /* A 23bit offset ld/st. */ | |
1374 | HOWTO (R_V850_23, /* type. */ | |
1375 | 0, /* rightshift. */ | |
1376 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1377 | 23, /* bitsize. */ | |
1378 | FALSE, /* pc_relative. */ | |
1379 | 0, /* bitpos. */ | |
1380 | complain_overflow_dont, /* complain_on_overflow. */ | |
1381 | v850_elf_reloc, /* special_function. */ | |
1382 | "R_V850_23", /* name. */ | |
1383 | FALSE, /* partial_inplace. */ | |
1384 | 0xffff07f0, /* src_mask. */ | |
1385 | 0xffff07f0, /* dst_mask. */ | |
1386 | FALSE), /* pcrel_offset. */ | |
1387 | ||
1388 | /* A PC relative 32 bit branch. */ | |
1389 | HOWTO (R_V850_32_PCREL, /* type. */ | |
1390 | 1, /* rightshift. */ | |
1391 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1392 | 32, /* bitsize. */ | |
1393 | TRUE, /* pc_relative. */ | |
1394 | 1, /* bitpos. */ | |
1395 | complain_overflow_signed, /* complain_on_overflow. */ | |
1396 | v850_elf_reloc, /* special_function. */ | |
1397 | "R_V850_32_PCREL", /* name. */ | |
1398 | FALSE, /* partial_inplace. */ | |
1399 | 0xfffffffe, /* src_mask. */ | |
1400 | 0xfffffffe, /* dst_mask. */ | |
1401 | TRUE), /* pcrel_offset. */ | |
1402 | ||
1403 | /* A absolute 32 bit branch. */ | |
1404 | HOWTO (R_V850_32_ABS, /* type. */ | |
1405 | 1, /* rightshift. */ | |
1406 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1407 | 32, /* bitsize. */ | |
1408 | TRUE, /* pc_relative. */ | |
1409 | 1, /* bitpos. */ | |
1410 | complain_overflow_signed, /* complain_on_overflow. */ | |
1411 | v850_elf_reloc, /* special_function. */ | |
1412 | "R_V850_32_ABS", /* name. */ | |
1413 | FALSE, /* partial_inplace. */ | |
1414 | 0xfffffffe, /* src_mask. */ | |
1415 | 0xfffffffe, /* dst_mask. */ | |
1416 | FALSE), /* pcrel_offset. */ | |
1417 | ||
1418 | /* High 16 bits of symbol value. */ | |
1419 | HOWTO (R_V850_HI16, /* Type. */ | |
1420 | 0, /* Rightshift. */ | |
1421 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ | |
1422 | 16, /* Bitsize. */ | |
1423 | FALSE, /* PC_relative. */ | |
1424 | 0, /* Bitpos. */ | |
1425 | complain_overflow_dont, /* Complain_on_overflow. */ | |
1426 | v850_elf_reloc, /* Special_function. */ | |
1427 | "R_V850_HI16", /* Name. */ | |
1428 | FALSE, /* Partial_inplace. */ | |
1429 | 0xffff, /* Src_mask. */ | |
1430 | 0xffff, /* Dst_mask. */ | |
1431 | FALSE), /* PCrel_offset. */ | |
1432 | ||
1433 | /* Low 16 bits of symbol value. */ | |
1434 | HOWTO (R_V850_16_S1, /* type. */ | |
1435 | 1, /* rightshift. */ | |
1436 | 1, /* size (0 = byte, 1 = short, 2 = long). */ | |
1437 | 16, /* bitsize. */ | |
1438 | FALSE, /* pc_relative. */ | |
1439 | 1, /* bitpos. */ | |
1440 | complain_overflow_dont, /* complain_on_overflow. */ | |
1441 | v850_elf_reloc, /* special_function. */ | |
1442 | "R_V850_16_S1", /* name. */ | |
1443 | FALSE, /* partial_inplace. */ | |
1444 | 0xfffe, /* src_mask. */ | |
1445 | 0xfffe, /* dst_mask. */ | |
1446 | FALSE), /* pcrel_offset. */ | |
1447 | ||
1448 | /* Low 16 bits of symbol value. */ | |
1449 | HOWTO (R_V850_LO16_S1, /* type. */ | |
1450 | 1, /* rightshift. */ | |
1451 | 1, /* size (0 = byte, 1 = short, 2 = long). */ | |
1452 | 16, /* bitsize. */ | |
1453 | FALSE, /* pc_relative. */ | |
1454 | 1, /* bitpos. */ | |
1455 | complain_overflow_dont, /* complain_on_overflow. */ | |
1456 | v850_elf_reloc, /* special_function. */ | |
1457 | "R_V850_LO16_S1", /* name. */ | |
1458 | FALSE, /* partial_inplace. */ | |
1459 | 0xfffe, /* src_mask. */ | |
1460 | 0xfffe, /* dst_mask. */ | |
1461 | FALSE), /* pcrel_offset. */ | |
1462 | ||
1463 | /* 16 bit offset from the call table base pointer. */ | |
1464 | HOWTO (R_V850_CALLT_15_16_OFFSET, /* type. */ | |
1465 | 1, /* rightshift. */ | |
1466 | 1, /* size (0 = byte, 1 = short, 2 = long). */ | |
1467 | 16, /* bitsize. */ | |
1468 | FALSE, /* pc_relative. */ | |
1469 | 1, /* bitpos. */ | |
1470 | complain_overflow_dont, /* complain_on_overflow. */ | |
1471 | v850_elf_reloc, /* special_function. */ | |
1472 | "R_V850_CALLT_15_16_OFFSET", /* name. */ | |
1473 | FALSE, /* partial_inplace. */ | |
1474 | 0xfffe, /* src_mask. */ | |
1475 | 0xfffe, /* dst_mask. */ | |
1476 | FALSE), /* pcrel_offset. */ | |
1477 | ||
1478 | /* Like R_V850_32 PCREL, but referring to the GOT table entry for | |
1479 | the symbol. */ | |
1480 | HOWTO (R_V850_32_GOTPCREL, /* type. */ | |
1481 | 0, /* rightshift. */ | |
1482 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1483 | 32, /* bitsize. */ | |
1484 | TRUE, /* pc_relative. */ | |
1485 | 0, /* bitpos. */ | |
1486 | complain_overflow_unsigned, /* complain_on_overflow. */ | |
1487 | v850_elf_reloc, /* special_function. */ | |
1488 | "R_V850_32_GOTPCREL", /* name. */ | |
1489 | FALSE, /* partial_inplace. */ | |
1490 | 0xffffffff, /* src_mask. */ | |
1491 | 0xffffffff, /* dst_mask. */ | |
1492 | TRUE), /* pcrel_offset. */ | |
1493 | ||
1494 | /* Like R_V850_SDA_, but referring to the GOT table entry for | |
1495 | the symbol. */ | |
1496 | HOWTO (R_V850_16_GOT, /* type. */ | |
1497 | 0, /* rightshift. */ | |
1498 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1499 | 16, /* bitsize. */ | |
1500 | FALSE, /* pc_relative. */ | |
1501 | 0, /* bitpos. */ | |
1502 | complain_overflow_unsigned, /* complain_on_overflow. */ | |
1503 | bfd_elf_generic_reloc, /* special_function. */ | |
1504 | "R_V850_16_GOT", /* name. */ | |
1505 | FALSE, /* partial_inplace. */ | |
1506 | 0xffff, /* src_mask. */ | |
1507 | 0xffff, /* dst_mask. */ | |
1508 | FALSE), /* pcrel_offset. */ | |
1509 | ||
1510 | HOWTO (R_V850_32_GOT, /* type. */ | |
1511 | 0, /* rightshift. */ | |
1512 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1513 | 32, /* bitsize. */ | |
1514 | FALSE, /* pc_relative. */ | |
1515 | 0, /* bitpos. */ | |
1516 | complain_overflow_unsigned, /* complain_on_overflow. */ | |
1517 | bfd_elf_generic_reloc, /* special_function. */ | |
1518 | "R_V850_32_GOT", /* name. */ | |
1519 | FALSE, /* partial_inplace. */ | |
1520 | 0xffffffff, /* src_mask. */ | |
1521 | 0xffffffff, /* dst_mask. */ | |
1522 | FALSE), /* pcrel_offset. */ | |
1523 | ||
1524 | /* Like R_V850_22_PCREL, but referring to the procedure linkage table | |
1525 | entry for the symbol. */ | |
1526 | HOWTO (R_V850_22_PLT, /* type. */ | |
1527 | 1, /* rightshift. */ | |
1528 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1529 | 22, /* bitsize. */ | |
1530 | TRUE, /* pc_relative. */ | |
1531 | 7, /* bitpos. */ | |
1532 | complain_overflow_signed, /* complain_on_overflow. */ | |
1533 | bfd_elf_generic_reloc, /* special_function. */ | |
1534 | "R_V850_22_PLT", /* name. */ | |
1535 | FALSE, /* partial_inplace. */ | |
1536 | 0x07ffff80, /* src_mask. */ | |
1537 | 0x07ffff80, /* dst_mask. */ | |
1538 | TRUE), /* pcrel_offset. */ | |
1539 | ||
1540 | HOWTO (R_V850_32_PLT, /* type. */ | |
1541 | 1, /* rightshift. */ | |
1542 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1543 | 32, /* bitsize. */ | |
1544 | TRUE, /* pc_relative. */ | |
1545 | 1, /* bitpos. */ | |
1546 | complain_overflow_signed, /* complain_on_overflow. */ | |
1547 | bfd_elf_generic_reloc, /* special_function. */ | |
1548 | "R_V850_32_PLT", /* name. */ | |
1549 | FALSE, /* partial_inplace. */ | |
1550 | 0xffffffff, /* src_mask. */ | |
1551 | 0xffffffff, /* dst_mask. */ | |
1552 | TRUE), /* pcrel_offset. */ | |
1553 | ||
1554 | /* This is used only by the dynamic linker. The symbol should exist | |
1555 | both in the object being run and in some shared library. The | |
1556 | dynamic linker copies the data addressed by the symbol from the | |
1557 | shared library into the object, because the object being | |
1558 | run has to have the data at some particular address. */ | |
1559 | HOWTO (R_V850_COPY, /* type. */ | |
1560 | 0, /* rightshift. */ | |
1561 | 2, /* size (0 = byte, 1 = short, 2 = long). */ | |
1562 | 32, /* bitsize. */ | |
1563 | FALSE, /* pc_relative. */ | |
1564 | 0, /* bitpos. */ | |
1565 | complain_overflow_bitfield, /* complain_on_overflow. */ | |
1566 | bfd_elf_generic_reloc, /* special_function. */ | |
1567 | "R_V850_COPY", /* name. */ | |
1568 | FALSE, /* partial_inplace. */ | |
1569 | 0xffffffff, /* src_mask. */ | |
1570 | 0xffffffff, /* dst_mask. */ | |
1571 | FALSE), /* pcrel_offset. */ | |
1572 | ||
1573 | /* Like R_M32R_24, but used when setting global offset table | |
1574 | entries. */ | |
1575 | HOWTO (R_V850_GLOB_DAT, /* type. */ | |
1576 | 0, /* rightshift. */ | |
1577 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1578 | 32, /* bitsize. */ | |
1579 | FALSE, /* pc_relative. */ | |
1580 | 0, /* bitpos. */ | |
1581 | complain_overflow_bitfield, /* complain_on_overflow. */ | |
1582 | bfd_elf_generic_reloc, /* special_function. */ | |
1583 | "R_V850_GLOB_DAT", /* name. */ | |
1584 | FALSE, /* partial_inplace. */ | |
1585 | 0xffffffff, /* src_mask. */ | |
1586 | 0xffffffff, /* dst_mask. */ | |
1587 | FALSE), /* pcrel_offset. */ | |
1588 | ||
1589 | /* Marks a procedure linkage table entry for a symbol. */ | |
1590 | HOWTO (R_V850_JMP_SLOT, /* type. */ | |
1591 | 0, /* rightshift. */ | |
1592 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1593 | 32, /* bitsize. */ | |
1594 | FALSE, /* pc_relative. */ | |
1595 | 0, /* bitpos. */ | |
1596 | complain_overflow_bitfield, /* complain_on_overflow. */ | |
1597 | bfd_elf_generic_reloc, /* special_function. */ | |
1598 | "R_V850_JMP_SLOT", /* name. */ | |
1599 | FALSE, /* partial_inplace. */ | |
1600 | 0xffffffff, /* src_mask. */ | |
1601 | 0xffffffff, /* dst_mask. */ | |
1602 | FALSE), /* pcrel_offset. */ | |
1603 | ||
1604 | /* Used only by the dynamic linker. When the object is run, this | |
1605 | longword is set to the load address of the object, plus the | |
1606 | addend. */ | |
1607 | HOWTO (R_V850_RELATIVE, /* type. */ | |
1608 | 0, /* rightshift. */ | |
1609 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1610 | 32, /* bitsize. */ | |
1611 | FALSE, /* pc_relative. */ | |
1612 | 0, /* bitpos. */ | |
1613 | complain_overflow_bitfield, /* complain_on_overflow. */ | |
1614 | bfd_elf_generic_reloc, /* special_function. */ | |
1615 | "R_V850_RELATIVE", /* name. */ | |
1616 | FALSE, /* partial_inplace. */ | |
1617 | 0xffffffff, /* src_mask. */ | |
1618 | 0xffffffff, /* dst_mask. */ | |
1619 | FALSE), /* pcrel_offset. */ | |
1620 | ||
1621 | HOWTO (R_V850_16_GOTOFF, /* type. */ | |
1622 | 0, /* rightshift. */ | |
1623 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1624 | 16, /* bitsize. */ | |
1625 | FALSE, /* pc_relative. */ | |
1626 | 0, /* bitpos. */ | |
1627 | complain_overflow_bitfield, /* complain_on_overflow. */ | |
1628 | bfd_elf_generic_reloc, /* special_function. */ | |
1629 | "R_V850_16_GOTOFF", /* name. */ | |
1630 | FALSE, /* partial_inplace. */ | |
1631 | 0xffff, /* src_mask. */ | |
1632 | 0xffff, /* dst_mask. */ | |
1633 | FALSE), /* pcrel_offset. */ | |
1634 | ||
1635 | HOWTO (R_V850_32_GOTOFF, /* type. */ | |
1636 | 0, /* rightshift. */ | |
1637 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1638 | 32, /* bitsize. */ | |
1639 | FALSE, /* pc_relative. */ | |
1640 | 0, /* bitpos. */ | |
1641 | complain_overflow_bitfield, /* complain_on_overflow. */ | |
1642 | bfd_elf_generic_reloc, /* special_function. */ | |
1643 | "R_V850_32_GOTOFF", /* name. */ | |
1644 | FALSE, /* partial_inplace. */ | |
1645 | 0xffffffff, /* src_mask. */ | |
1646 | 0xffffffff, /* dst_mask. */ | |
1647 | FALSE), /* pcrel_offset. */ | |
1648 | ||
1649 | HOWTO (R_V850_CODE, /* type. */ | |
1650 | 0, /* rightshift. */ | |
1651 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1652 | 0, /* bitsize. */ | |
1653 | FALSE, /* pc_relative. */ | |
1654 | 0, /* bitpos. */ | |
1655 | complain_overflow_unsigned, /* complain_on_overflow. */ | |
1656 | v850_elf_ignore_reloc, /* special_function. */ | |
1657 | "R_V850_CODE", /* name. */ | |
1658 | FALSE, /* partial_inplace. */ | |
1659 | 0, /* src_mask. */ | |
1660 | 0, /* dst_mask. */ | |
1661 | TRUE), /* pcrel_offset. */ | |
1662 | ||
1663 | HOWTO (R_V850_DATA, /* type. */ | |
1664 | 0, /* rightshift. */ | |
1665 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1666 | 0, /* bitsize. */ | |
1667 | FALSE, /* pc_relative. */ | |
1668 | 0, /* bitpos. */ | |
1669 | complain_overflow_unsigned, /* complain_on_overflow. */ | |
1670 | v850_elf_ignore_reloc, /* special_function. */ | |
1671 | "R_V850_DATA", /* name. */ | |
1672 | FALSE, /* partial_inplace. */ | |
1673 | 0, /* src_mask. */ | |
1674 | 0, /* dst_mask. */ | |
1675 | TRUE), /* pcrel_offset. */ | |
1676 | ||
47b0e7ad NC |
1677 | }; |
1678 | ||
1679 | /* Map BFD reloc types to V850 ELF reloc types. */ | |
1680 | ||
1681 | struct v850_elf_reloc_map | |
1682 | { | |
1683 | /* BFD_RELOC_V850_CALLT_16_16_OFFSET is 258, which will not fix in an | |
1684 | unsigned char. */ | |
1685 | bfd_reloc_code_real_type bfd_reloc_val; | |
1686 | unsigned int elf_reloc_val; | |
1687 | }; | |
1688 | ||
1689 | static const struct v850_elf_reloc_map v850_elf_reloc_map[] = | |
1690 | { | |
1cd986c5 NC |
1691 | { BFD_RELOC_NONE, R_V850_NONE }, |
1692 | { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL }, | |
1693 | { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL }, | |
1694 | { BFD_RELOC_HI16_S, R_V850_HI16_S }, | |
1695 | { BFD_RELOC_HI16, R_V850_HI16 }, | |
1696 | { BFD_RELOC_LO16, R_V850_LO16 }, | |
1697 | { BFD_RELOC_32, R_V850_ABS32 }, | |
1698 | { BFD_RELOC_32_PCREL, R_V850_REL32 }, | |
1699 | { BFD_RELOC_16, R_V850_16 }, | |
1700 | { BFD_RELOC_8, R_V850_8 }, | |
47b0e7ad NC |
1701 | { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET }, |
1702 | { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET }, | |
1703 | { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET }, | |
1704 | { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET }, | |
1705 | { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET }, | |
1706 | { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET }, | |
1707 | { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET }, | |
1708 | { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V850_TDA_16_16_OFFSET }, | |
1709 | { BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET }, | |
1710 | { BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET }, | |
1711 | { BFD_RELOC_V850_LO16_SPLIT_OFFSET, R_V850_LO16_SPLIT_OFFSET }, | |
1712 | { BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET }, | |
1713 | { BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET }, | |
1714 | { BFD_RELOC_V850_CALLT_6_7_OFFSET, R_V850_CALLT_6_7_OFFSET }, | |
1715 | { BFD_RELOC_V850_CALLT_16_16_OFFSET, R_V850_CALLT_16_16_OFFSET }, | |
1716 | { BFD_RELOC_VTABLE_INHERIT, R_V850_GNU_VTINHERIT }, | |
1717 | { BFD_RELOC_VTABLE_ENTRY, R_V850_GNU_VTENTRY }, | |
1718 | { BFD_RELOC_V850_LONGCALL, R_V850_LONGCALL }, | |
1719 | { BFD_RELOC_V850_LONGJUMP, R_V850_LONGJUMP }, | |
1720 | { BFD_RELOC_V850_ALIGN, R_V850_ALIGN }, | |
1cd986c5 NC |
1721 | { BFD_RELOC_V850_16_PCREL, R_V850_16_PCREL }, |
1722 | { BFD_RELOC_V850_17_PCREL, R_V850_17_PCREL }, | |
1723 | { BFD_RELOC_V850_23, R_V850_23 }, | |
1724 | { BFD_RELOC_V850_32_PCREL, R_V850_32_PCREL }, | |
1725 | { BFD_RELOC_V850_32_ABS, R_V850_32_ABS }, | |
1726 | { BFD_RELOC_V850_16_SPLIT_OFFSET, R_V850_HI16 }, | |
1727 | { BFD_RELOC_V850_16_S1, R_V850_16_S1 }, | |
1728 | { BFD_RELOC_V850_LO16_S1, R_V850_LO16_S1 }, | |
1729 | { BFD_RELOC_V850_CALLT_15_16_OFFSET, R_V850_CALLT_15_16_OFFSET }, | |
1730 | { BFD_RELOC_V850_32_GOTPCREL, R_V850_32_GOTPCREL }, | |
1731 | { BFD_RELOC_V850_16_GOT, R_V850_16_GOT }, | |
1732 | { BFD_RELOC_V850_32_GOT, R_V850_32_GOT }, | |
1733 | { BFD_RELOC_V850_22_PLT_PCREL, R_V850_22_PLT }, | |
1734 | { BFD_RELOC_V850_32_PLT_PCREL, R_V850_32_PLT }, | |
1735 | { BFD_RELOC_V850_COPY, R_V850_COPY }, | |
1736 | { BFD_RELOC_V850_GLOB_DAT, R_V850_GLOB_DAT }, | |
1737 | { BFD_RELOC_V850_JMP_SLOT, R_V850_JMP_SLOT }, | |
1738 | { BFD_RELOC_V850_RELATIVE, R_V850_RELATIVE }, | |
1739 | { BFD_RELOC_V850_16_GOTOFF, R_V850_16_GOTOFF }, | |
1740 | { BFD_RELOC_V850_32_GOTOFF, R_V850_32_GOTOFF }, | |
1741 | { BFD_RELOC_V850_CODE, R_V850_CODE }, | |
1742 | { BFD_RELOC_V850_DATA, R_V850_DATA }, | |
47b0e7ad | 1743 | }; |
de863c74 NC |
1744 | |
1745 | #define V800_RELOC(name,sz,bit,shift,complain,pcrel,resolver) \ | |
1746 | HOWTO (name, shift, sz, bit, pcrel, 0, complain_overflow_ ## complain, \ | |
1747 | bfd_elf_ ## resolver ## _reloc, #name, FALSE, 0, ~0, FALSE) | |
1748 | ||
1749 | #define V800_EMPTY(name) EMPTY_HOWTO (name - R_V810_NONE) | |
1750 | ||
1751 | #define bfd_elf_v850_reloc v850_elf_reloc | |
1752 | ||
1753 | /* Note: It is REQUIRED that the 'type' value (R_V810_...) of each entry | |
1754 | in this array match the index of the entry in the array minus 0x30. | |
1755 | See: bfd_elf_v850_relocate_section(), v800_elf_reloc_type_lookup() | |
1756 | and v800_elf_info_to_howto(). */ | |
1757 | ||
1758 | static reloc_howto_type v800_elf_howto_table[] = | |
1759 | { | |
1760 | V800_RELOC (R_V810_NONE, 0, 0, 0, dont, FALSE, generic), /* Type = 0x30 */ | |
1761 | V800_RELOC (R_V810_BYTE, 0, 8, 0, dont, FALSE, generic), | |
1762 | V800_RELOC (R_V810_HWORD, 1, 16, 0, dont, FALSE, generic), | |
1763 | V800_RELOC (R_V810_WORD, 2, 32, 0, dont, FALSE, generic), | |
1764 | V800_RELOC (R_V810_WLO, 1, 16, 0, dont, FALSE, generic), | |
1765 | V800_RELOC (R_V810_WHI, 1, 16, 0, dont, FALSE, generic), | |
1766 | V800_RELOC (R_V810_WHI1, 1, 16, 0, dont, FALSE, generic), | |
1767 | V800_RELOC (R_V810_GPBYTE, 0, 8, 0, dont, FALSE, v850), | |
1768 | V800_RELOC (R_V810_GPHWORD, 1, 16, 0, dont, FALSE, v850), | |
1769 | V800_RELOC (R_V810_GPWORD, 2, 32, 0, dont, FALSE, v850), | |
1770 | V800_RELOC (R_V810_GPWLO, 1, 16, 0, dont, FALSE, v850), | |
1771 | V800_RELOC (R_V810_GPWHI, 1, 16, 0, dont, FALSE, v850), | |
1772 | V800_RELOC (R_V810_GPWHI1, 1, 16, 0, dont, FALSE, v850), | |
1773 | V800_RELOC (R_V850_HWLO, 1, 16, 0, dont, FALSE, generic), | |
1774 | V800_EMPTY (R_V810_reserved1), | |
1775 | V800_RELOC (R_V850_EP7BIT, 0, 7, 0, unsigned, FALSE, v850), | |
1776 | V800_RELOC (R_V850_EPHBYTE, 0, 8, 1, unsigned, FALSE, v850), | |
1777 | V800_RELOC (R_V850_EPWBYTE, 0, 8, 2, unsigned, FALSE, v850), | |
1778 | V800_RELOC (R_V850_REGHWLO, 1, 16, 0, dont, FALSE, v850), | |
1779 | V800_EMPTY (R_V810_reserved2), | |
1780 | V800_RELOC (R_V850_GPHWLO, 1, 16, 0, dont, FALSE, v850), | |
1781 | V800_EMPTY (R_V810_reserved3), | |
1782 | V800_RELOC (R_V850_PCR22, 2, 22, 0, signed, TRUE, generic), | |
1783 | V800_RELOC (R_V850_BLO, 2, 24, 0, dont, FALSE, v850), | |
1784 | V800_RELOC (R_V850_EP4BIT, 0, 4, 0, unsigned, FALSE, v850), | |
1785 | V800_RELOC (R_V850_EP5BIT, 0, 5, 0, unsigned, FALSE, v850), | |
1786 | V800_RELOC (R_V850_REGBLO, 2, 24, 0, dont, FALSE, v850), | |
1787 | V800_RELOC (R_V850_GPBLO, 2, 24, 0, dont, FALSE, v850), | |
1788 | V800_RELOC (R_V810_WLO_1, 1, 16, 0, dont, FALSE, v850), | |
1789 | V800_RELOC (R_V810_GPWLO_1, 1, 16, 0, signed, FALSE, v850), | |
1790 | V800_RELOC (R_V850_BLO_1, 2, 16, 0, signed, FALSE, v850), | |
1791 | V800_RELOC (R_V850_HWLO_1, 1, 16, 0, signed, FALSE, v850), | |
1792 | V800_EMPTY (R_V810_reserved4), | |
1793 | V800_RELOC (R_V850_GPBLO_1, 2, 16, 1, signed, FALSE, v850), | |
1794 | V800_RELOC (R_V850_GPHWLO_1, 1, 16, 1, signed, FALSE, v850), | |
1795 | V800_EMPTY (R_V810_reserved5), | |
1796 | V800_RELOC (R_V850_EPBLO, 2, 16, 1, signed, FALSE, v850), | |
1797 | V800_RELOC (R_V850_EPHWLO, 1, 16, 1, signed, FALSE, v850), | |
1798 | V800_EMPTY (R_V810_reserved6), | |
1799 | V800_RELOC (R_V850_EPWLO_N, 1, 16, 1, signed, FALSE, v850), | |
1800 | V800_RELOC (R_V850_PC32, 2, 32, 1, signed, TRUE, v850), | |
1801 | V800_RELOC (R_V850_W23BIT, 2, 23, 1, signed, FALSE, v850), | |
1802 | V800_RELOC (R_V850_GPW23BIT, 2, 23, 1, signed, FALSE, v850), | |
1803 | V800_RELOC (R_V850_EPW23BIT, 2, 23, 1, signed, FALSE, v850), | |
1804 | V800_RELOC (R_V850_B23BIT, 2, 23, 1, signed, FALSE, v850), | |
1805 | V800_RELOC (R_V850_GPB23BIT, 2, 23, 1, signed, FALSE, v850), | |
1806 | V800_RELOC (R_V850_EPB23BIT, 2, 23, 1, signed, FALSE, v850), | |
1807 | V800_RELOC (R_V850_PC16U, 1, 16, 1, unsigned, TRUE, generic), | |
1808 | V800_RELOC (R_V850_PC17, 2, 17, 1, signed, TRUE, generic), | |
1809 | V800_RELOC (R_V850_DW8, 2, 8, 2, signed, FALSE, v850), | |
1810 | V800_RELOC (R_V850_GPDW8, 2, 8, 2, signed, FALSE, v850), | |
1811 | V800_RELOC (R_V850_EPDW8, 2, 8, 2, signed, FALSE, v850), | |
1812 | V800_RELOC (R_V850_PC9, 1, 9, 3, signed, TRUE, v850), | |
1813 | V800_RELOC (R_V810_REGBYTE, 0, 8, 0, dont, FALSE, v850), | |
1814 | V800_RELOC (R_V810_REGHWORD, 1, 16, 0, dont, FALSE, v850), | |
1815 | V800_RELOC (R_V810_REGWORD, 2, 32, 0, dont, FALSE, v850), | |
1816 | V800_RELOC (R_V810_REGWLO, 1, 16, 0, dont, FALSE, v850), | |
1817 | V800_RELOC (R_V810_REGWHI, 1, 16, 0, dont, FALSE, v850), | |
1818 | V800_RELOC (R_V810_REGWHI1, 1, 16, 0, dont, FALSE, v850), | |
1819 | V800_RELOC (R_V850_REGW23BIT, 2, 23, 1, signed, FALSE, v850), | |
1820 | V800_RELOC (R_V850_REGB23BIT, 2, 23, 1, signed, FALSE, v850), | |
1821 | V800_RELOC (R_V850_REGDW8, 2, 8, 2, signed, FALSE, v850), | |
1822 | V800_RELOC (R_V810_EPBYTE, 0, 8, 0, dont, FALSE, v850), | |
1823 | V800_RELOC (R_V810_EPHWORD, 1, 16, 0, dont, FALSE, v850), | |
1824 | V800_RELOC (R_V810_EPWORD, 2, 32, 0, dont, FALSE, v850), | |
1825 | V800_RELOC (R_V850_WLO23, 2, 32, 1, dont, FALSE, v850), | |
1826 | V800_RELOC (R_V850_WORD_E, 2, 32, 1, dont, FALSE, v850), | |
1827 | V800_RELOC (R_V850_REGWORD_E, 2, 32, 1, dont, FALSE, v850), | |
1828 | V800_RELOC (R_V850_WORD, 2, 32, 0, dont, FALSE, v850), | |
1829 | V800_RELOC (R_V850_GPWORD, 2, 32, 0, dont, FALSE, v850), | |
1830 | V800_RELOC (R_V850_REGWORD, 2, 32, 0, dont, FALSE, v850), | |
1831 | V800_RELOC (R_V850_EPWORD, 2, 32, 0, dont, FALSE, v850), | |
1832 | V800_RELOC (R_V810_TPBYTE, 0, 8, 0, dont, FALSE, v850), | |
1833 | V800_RELOC (R_V810_TPHWORD, 1, 16, 0, dont, FALSE, v850), | |
1834 | V800_RELOC (R_V810_TPWORD, 2, 32, 0, dont, FALSE, v850), | |
1835 | V800_RELOC (R_V810_TPWLO, 1, 16, 0, dont, FALSE, v850), | |
1836 | V800_RELOC (R_V810_TPWHI, 1, 16, 0, dont, FALSE, v850), | |
1837 | V800_RELOC (R_V810_TPWHI1, 1, 16, 0, dont, FALSE, v850), | |
1838 | V800_RELOC (R_V850_TPHWLO, 1, 16, 1, dont, FALSE, v850), | |
1839 | V800_RELOC (R_V850_TPBLO, 2, 24, 0, dont, FALSE, v850), | |
1840 | V800_RELOC (R_V810_TPWLO_1, 1, 16, 0, signed, FALSE, v850), | |
1841 | V800_RELOC (R_V850_TPBLO_1, 2, 16, 0, signed, FALSE, v850), | |
1842 | V800_RELOC (R_V850_TPHWLO_1, 1, 16, 0, signed, FALSE, v850), | |
1843 | V800_RELOC (R_V850_TP23BIT, 2, 23, 0, signed, FALSE, v850), | |
1844 | V800_RELOC (R_V850_TPW23BIT, 2, 23, 0, signed, FALSE, v850), | |
1845 | V800_RELOC (R_V850_TPDW8, 2, 8, 0, signed, FALSE, v850) | |
1846 | }; | |
47b0e7ad NC |
1847 | \f |
1848 | /* Map a bfd relocation into the appropriate howto structure. */ | |
1849 | ||
1850 | static reloc_howto_type * | |
1851 | v850_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
1852 | bfd_reloc_code_real_type code) | |
1853 | { | |
1854 | unsigned int i; | |
1855 | ||
1856 | for (i = ARRAY_SIZE (v850_elf_reloc_map); i --;) | |
1857 | if (v850_elf_reloc_map[i].bfd_reloc_val == code) | |
1858 | { | |
1859 | unsigned int elf_reloc_val = v850_elf_reloc_map[i].elf_reloc_val; | |
1860 | ||
1861 | BFD_ASSERT (v850_elf_howto_table[elf_reloc_val].type == elf_reloc_val); | |
1862 | ||
1863 | return v850_elf_howto_table + elf_reloc_val; | |
1864 | } | |
1865 | ||
1866 | return NULL; | |
1867 | } | |
157090f7 AM |
1868 | |
1869 | static reloc_howto_type * | |
1870 | v850_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
1871 | const char *r_name) | |
1872 | { | |
1873 | unsigned int i; | |
1874 | ||
1875 | for (i = 0; | |
1876 | i < sizeof (v850_elf_howto_table) / sizeof (v850_elf_howto_table[0]); | |
1877 | i++) | |
1878 | if (v850_elf_howto_table[i].name != NULL | |
1879 | && strcasecmp (v850_elf_howto_table[i].name, r_name) == 0) | |
1880 | return &v850_elf_howto_table[i]; | |
1881 | ||
1882 | return NULL; | |
1883 | } | |
47b0e7ad NC |
1884 | \f |
1885 | /* Set the howto pointer for an V850 ELF reloc. */ | |
1886 | ||
1887 | static void | |
1888 | v850_elf_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, | |
1889 | arelent *cache_ptr, | |
1890 | Elf_Internal_Rela *dst) | |
1891 | { | |
1892 | unsigned int r_type; | |
1893 | ||
1894 | r_type = ELF32_R_TYPE (dst->r_info); | |
1895 | BFD_ASSERT (r_type < (unsigned int) R_V850_max); | |
1896 | cache_ptr->howto = &v850_elf_howto_table[r_type]; | |
1897 | } | |
1898 | ||
1899 | /* Set the howto pointer for a V850 ELF reloc (type RELA). */ | |
1900 | ||
1901 | static void | |
1902 | v850_elf_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, | |
1903 | arelent * cache_ptr, | |
1904 | Elf_Internal_Rela *dst) | |
1905 | { | |
1906 | unsigned int r_type; | |
1907 | ||
1908 | r_type = ELF32_R_TYPE (dst->r_info); | |
1909 | BFD_ASSERT (r_type < (unsigned int) R_V850_max); | |
1910 | cache_ptr->howto = &v850_elf_howto_table[r_type]; | |
1911 | } | |
252b5132 | 1912 | \f |
b34976b6 | 1913 | static bfd_boolean |
47b0e7ad | 1914 | v850_elf_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name) |
252b5132 RH |
1915 | { |
1916 | return ( (name[0] == '.' && (name[1] == 'L' || name[1] == '.')) | |
1917 | || (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_')); | |
1918 | } | |
252b5132 | 1919 | \f |
5cec6941 NC |
1920 | /* We overload some of the bfd_reloc error codes for own purposes. */ |
1921 | #define bfd_reloc_gp_not_found bfd_reloc_other | |
1922 | #define bfd_reloc_ep_not_found bfd_reloc_continue | |
1923 | #define bfd_reloc_ctbp_not_found (bfd_reloc_dangerous + 1) | |
1924 | ||
252b5132 | 1925 | /* Perform a relocation as part of a final link. */ |
e12dd2ea | 1926 | |
252b5132 | 1927 | static bfd_reloc_status_type |
47b0e7ad NC |
1928 | v850_elf_final_link_relocate (reloc_howto_type *howto, |
1929 | bfd *input_bfd, | |
1930 | bfd *output_bfd ATTRIBUTE_UNUSED, | |
1931 | asection *input_section, | |
1932 | bfd_byte *contents, | |
1933 | bfd_vma offset, | |
1934 | bfd_vma value, | |
1935 | bfd_vma addend, | |
1936 | struct bfd_link_info *info, | |
1937 | asection *sym_sec, | |
1938 | int is_local ATTRIBUTE_UNUSED) | |
252b5132 | 1939 | { |
b34976b6 AM |
1940 | unsigned int r_type = howto->type; |
1941 | bfd_byte *hit_data = contents + offset; | |
252b5132 RH |
1942 | |
1943 | /* Adjust the value according to the relocation. */ | |
1944 | switch (r_type) | |
1945 | { | |
de863c74 | 1946 | case R_V850_PC9: |
252b5132 RH |
1947 | case R_V850_9_PCREL: |
1948 | value -= (input_section->output_section->vma | |
1949 | + input_section->output_offset); | |
1950 | value -= offset; | |
1951 | break; | |
435b1e90 | 1952 | |
de863c74 | 1953 | case R_V850_PC16U: |
1cd986c5 NC |
1954 | case R_V850_16_PCREL: |
1955 | value -= (input_section->output_section->vma | |
1956 | + input_section->output_offset | |
1957 | + offset); | |
1958 | ||
1959 | /* If the sign extension will corrupt the value then we have overflowed. */ | |
1960 | if ((value & 0xffff0000) != 0xffff0000) | |
1961 | return bfd_reloc_overflow; | |
1962 | ||
1963 | break; | |
1964 | ||
de863c74 | 1965 | case R_V850_PC17: |
1cd986c5 NC |
1966 | case R_V850_17_PCREL: |
1967 | value -= (input_section->output_section->vma | |
1968 | + input_section->output_offset | |
1969 | + offset); | |
1970 | ||
1971 | /* If the sign extension will corrupt the value then we have overflowed. */ | |
1972 | if (((value & 0xffff0000) != 0x0) && ((value & 0xffff0000) != 0xffff0000)) | |
1973 | return bfd_reloc_overflow; | |
1974 | ||
1975 | value = SEXT17 (value); | |
1976 | break; | |
1977 | ||
de863c74 | 1978 | case R_V850_PCR22: |
252b5132 RH |
1979 | case R_V850_22_PCREL: |
1980 | value -= (input_section->output_section->vma | |
1981 | + input_section->output_offset | |
1982 | + offset); | |
1983 | ||
232fb1a3 | 1984 | /* If the sign extension will corrupt the value then we have overflowed. */ |
1cd986c5 | 1985 | if (((value & 0xffe00000) != 0x0) && ((value & 0xffe00000) != 0xffe00000)) |
232fb1a3 | 1986 | return bfd_reloc_overflow; |
435b1e90 | 1987 | |
1cd986c5 NC |
1988 | /* Only the bottom 22 bits of the PC are valid. */ |
1989 | value = SEXT22 (value); | |
252b5132 | 1990 | break; |
435b1e90 | 1991 | |
de863c74 | 1992 | case R_V850_PC32: |
1cd986c5 | 1993 | case R_V850_32_PCREL: |
e30ddb24 NC |
1994 | value -= (input_section->output_section->vma |
1995 | + input_section->output_offset | |
1996 | + offset); | |
1997 | break; | |
1998 | ||
1cd986c5 NC |
1999 | case R_V850_32_ABS: |
2000 | case R_V850_23: | |
252b5132 RH |
2001 | case R_V850_HI16_S: |
2002 | case R_V850_HI16: | |
2003 | case R_V850_LO16: | |
1cd986c5 | 2004 | case R_V850_LO16_S1: |
1e50d24d | 2005 | case R_V850_LO16_SPLIT_OFFSET: |
252b5132 | 2006 | case R_V850_16: |
e30ddb24 | 2007 | case R_V850_ABS32: |
252b5132 | 2008 | case R_V850_8: |
de863c74 NC |
2009 | case R_V810_BYTE: |
2010 | case R_V810_HWORD: | |
2011 | case R_V810_WORD: | |
2012 | case R_V810_WLO: | |
2013 | case R_V810_WHI: | |
2014 | case R_V810_WHI1: | |
2015 | case R_V810_WLO_1: | |
2016 | case R_V850_WLO23: | |
2017 | case R_V850_BLO: | |
252b5132 RH |
2018 | break; |
2019 | ||
435b1e90 | 2020 | case R_V850_ZDA_15_16_OFFSET: |
252b5132 RH |
2021 | case R_V850_ZDA_16_16_OFFSET: |
2022 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
2023 | if (sym_sec == NULL) | |
2024 | return bfd_reloc_undefined; | |
435b1e90 | 2025 | |
252b5132 RH |
2026 | value -= sym_sec->output_section->vma; |
2027 | break; | |
2028 | ||
2029 | case R_V850_SDA_15_16_OFFSET: | |
2030 | case R_V850_SDA_16_16_OFFSET: | |
2031 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
de863c74 | 2032 | case R_V810_GPWLO_1: |
252b5132 RH |
2033 | { |
2034 | unsigned long gp; | |
2035 | struct bfd_link_hash_entry * h; | |
2036 | ||
2037 | if (sym_sec == NULL) | |
2038 | return bfd_reloc_undefined; | |
435b1e90 | 2039 | |
252b5132 | 2040 | /* Get the value of __gp. */ |
b34976b6 | 2041 | h = bfd_link_hash_lookup (info->hash, "__gp", FALSE, FALSE, TRUE); |
47b0e7ad | 2042 | if (h == NULL |
252b5132 | 2043 | || h->type != bfd_link_hash_defined) |
5cec6941 | 2044 | return bfd_reloc_gp_not_found; |
252b5132 RH |
2045 | |
2046 | gp = (h->u.def.value | |
2047 | + h->u.def.section->output_section->vma | |
2048 | + h->u.def.section->output_offset); | |
2049 | ||
2050 | value -= sym_sec->output_section->vma; | |
2051 | value -= (gp - sym_sec->output_section->vma); | |
2052 | } | |
2053 | break; | |
2054 | ||
2055 | case R_V850_TDA_4_4_OFFSET: | |
2056 | case R_V850_TDA_4_5_OFFSET: | |
252b5132 RH |
2057 | case R_V850_TDA_7_7_OFFSET: |
2058 | case R_V850_TDA_7_8_OFFSET: | |
2059 | case R_V850_TDA_6_8_OFFSET: | |
1cd986c5 | 2060 | case R_V850_TDA_16_16_OFFSET: |
252b5132 RH |
2061 | { |
2062 | unsigned long ep; | |
2063 | struct bfd_link_hash_entry * h; | |
435b1e90 | 2064 | |
252b5132 | 2065 | /* Get the value of __ep. */ |
b34976b6 | 2066 | h = bfd_link_hash_lookup (info->hash, "__ep", FALSE, FALSE, TRUE); |
47b0e7ad | 2067 | if (h == NULL |
252b5132 | 2068 | || h->type != bfd_link_hash_defined) |
5cec6941 | 2069 | return bfd_reloc_ep_not_found; |
252b5132 RH |
2070 | |
2071 | ep = (h->u.def.value | |
2072 | + h->u.def.section->output_section->vma | |
2073 | + h->u.def.section->output_offset); | |
2074 | ||
2075 | value -= ep; | |
2076 | } | |
2077 | break; | |
435b1e90 | 2078 | |
252b5132 RH |
2079 | case R_V850_CALLT_6_7_OFFSET: |
2080 | { | |
2081 | unsigned long ctbp; | |
2082 | struct bfd_link_hash_entry * h; | |
435b1e90 | 2083 | |
252b5132 | 2084 | /* Get the value of __ctbp. */ |
b34976b6 | 2085 | h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE); |
47b0e7ad | 2086 | if (h == NULL |
252b5132 | 2087 | || h->type != bfd_link_hash_defined) |
5cec6941 | 2088 | return bfd_reloc_ctbp_not_found; |
252b5132 RH |
2089 | |
2090 | ctbp = (h->u.def.value | |
2091 | + h->u.def.section->output_section->vma | |
2092 | + h->u.def.section->output_offset); | |
2093 | value -= ctbp; | |
2094 | } | |
2095 | break; | |
435b1e90 | 2096 | |
1cd986c5 | 2097 | case R_V850_CALLT_15_16_OFFSET: |
252b5132 RH |
2098 | case R_V850_CALLT_16_16_OFFSET: |
2099 | { | |
2100 | unsigned long ctbp; | |
2101 | struct bfd_link_hash_entry * h; | |
2102 | ||
2103 | if (sym_sec == NULL) | |
2104 | return bfd_reloc_undefined; | |
435b1e90 | 2105 | |
252b5132 | 2106 | /* Get the value of __ctbp. */ |
b34976b6 | 2107 | h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE); |
47b0e7ad | 2108 | if (h == NULL |
252b5132 | 2109 | || h->type != bfd_link_hash_defined) |
5cec6941 | 2110 | return bfd_reloc_ctbp_not_found; |
252b5132 RH |
2111 | |
2112 | ctbp = (h->u.def.value | |
2113 | + h->u.def.section->output_section->vma | |
2114 | + h->u.def.section->output_offset); | |
2115 | ||
2116 | value -= sym_sec->output_section->vma; | |
2117 | value -= (ctbp - sym_sec->output_section->vma); | |
2118 | } | |
2119 | break; | |
435b1e90 | 2120 | |
252b5132 | 2121 | case R_V850_NONE: |
de863c74 | 2122 | case R_V810_NONE: |
252b5132 RH |
2123 | case R_V850_GNU_VTINHERIT: |
2124 | case R_V850_GNU_VTENTRY: | |
86aba9db NC |
2125 | case R_V850_LONGCALL: |
2126 | case R_V850_LONGJUMP: | |
2127 | case R_V850_ALIGN: | |
252b5132 RH |
2128 | return bfd_reloc_ok; |
2129 | ||
2130 | default: | |
de863c74 NC |
2131 | #ifdef DEBUG |
2132 | fprintf (stderr, "reloc number %d not recognised\n", r_type); | |
2133 | #endif | |
252b5132 RH |
2134 | return bfd_reloc_notsupported; |
2135 | } | |
2136 | ||
2137 | /* Perform the relocation. */ | |
435b1e90 | 2138 | return v850_elf_perform_relocation (input_bfd, r_type, value + addend, hit_data); |
252b5132 | 2139 | } |
252b5132 RH |
2140 | \f |
2141 | /* Relocate an V850 ELF section. */ | |
e12dd2ea | 2142 | |
b34976b6 | 2143 | static bfd_boolean |
47b0e7ad NC |
2144 | v850_elf_relocate_section (bfd *output_bfd, |
2145 | struct bfd_link_info *info, | |
2146 | bfd *input_bfd, | |
2147 | asection *input_section, | |
2148 | bfd_byte *contents, | |
2149 | Elf_Internal_Rela *relocs, | |
2150 | Elf_Internal_Sym *local_syms, | |
2151 | asection **local_sections) | |
252b5132 | 2152 | { |
b34976b6 AM |
2153 | Elf_Internal_Shdr *symtab_hdr; |
2154 | struct elf_link_hash_entry **sym_hashes; | |
2155 | Elf_Internal_Rela *rel; | |
2156 | Elf_Internal_Rela *relend; | |
252b5132 RH |
2157 | |
2158 | symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; | |
2159 | sym_hashes = elf_sym_hashes (input_bfd); | |
2160 | ||
252b5132 RH |
2161 | /* Reset the list of remembered HI16S relocs to empty. */ |
2162 | free_hi16s = previous_hi16s; | |
2163 | previous_hi16s = NULL; | |
2164 | hi16s_counter = 0; | |
435b1e90 | 2165 | |
252b5132 RH |
2166 | rel = relocs; |
2167 | relend = relocs + input_section->reloc_count; | |
2168 | for (; rel < relend; rel++) | |
2169 | { | |
de863c74 | 2170 | unsigned int r_type; |
b34976b6 AM |
2171 | reloc_howto_type *howto; |
2172 | unsigned long r_symndx; | |
2173 | Elf_Internal_Sym *sym; | |
2174 | asection *sec; | |
2175 | struct elf_link_hash_entry *h; | |
2176 | bfd_vma relocation; | |
2177 | bfd_reloc_status_type r; | |
252b5132 RH |
2178 | |
2179 | r_symndx = ELF32_R_SYM (rel->r_info); | |
2180 | r_type = ELF32_R_TYPE (rel->r_info); | |
2181 | ||
2182 | if (r_type == R_V850_GNU_VTENTRY | |
2183 | || r_type == R_V850_GNU_VTINHERIT) | |
2184 | continue; | |
2185 | ||
de863c74 NC |
2186 | if (bfd_get_arch (input_bfd) == bfd_arch_v850_rh850) |
2187 | howto = v800_elf_howto_table + (r_type - R_V810_NONE); | |
2188 | else | |
2189 | howto = v850_elf_howto_table + r_type; | |
2190 | ||
2191 | BFD_ASSERT (r_type == howto->type); | |
2192 | ||
252b5132 RH |
2193 | h = NULL; |
2194 | sym = NULL; | |
2195 | sec = NULL; | |
2196 | if (r_symndx < symtab_hdr->sh_info) | |
2197 | { | |
2198 | sym = local_syms + r_symndx; | |
2199 | sec = local_sections[r_symndx]; | |
8517fae7 | 2200 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
252b5132 RH |
2201 | } |
2202 | else | |
2203 | { | |
59c2e50f | 2204 | bfd_boolean unresolved_reloc, warned; |
435b1e90 | 2205 | |
47b0e7ad NC |
2206 | /* Note - this check is delayed until now as it is possible and |
2207 | valid to have a file without any symbols but with relocs that | |
2208 | can be processed. */ | |
641bd093 NC |
2209 | if (sym_hashes == NULL) |
2210 | { | |
2211 | info->callbacks->warning | |
2212 | (info, "no hash table available", | |
2213 | NULL, input_bfd, input_section, (bfd_vma) 0); | |
2214 | ||
2215 | return FALSE; | |
2216 | } | |
2217 | ||
b2a8e766 AM |
2218 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
2219 | r_symndx, symtab_hdr, sym_hashes, | |
2220 | h, sec, relocation, | |
2221 | unresolved_reloc, warned); | |
252b5132 RH |
2222 | } |
2223 | ||
dbaa2011 | 2224 | if (sec != NULL && discarded_section (sec)) |
e4067dbb | 2225 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 2226 | rel, 1, relend, howto, 0, contents); |
ab96bf03 AM |
2227 | |
2228 | if (info->relocatable) | |
2229 | continue; | |
2230 | ||
e12dd2ea | 2231 | /* FIXME: We should use the addend, but the COFF relocations don't. */ |
252b5132 RH |
2232 | r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd, |
2233 | input_section, | |
2234 | contents, rel->r_offset, | |
2235 | relocation, rel->r_addend, | |
2236 | info, sec, h == NULL); | |
2237 | ||
2238 | if (r != bfd_reloc_ok) | |
2239 | { | |
2240 | const char * name; | |
47b0e7ad | 2241 | const char * msg = NULL; |
252b5132 RH |
2242 | |
2243 | if (h != NULL) | |
2244 | name = h->root.root.string; | |
2245 | else | |
2246 | { | |
2247 | name = (bfd_elf_string_from_elf_section | |
2248 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
2249 | if (name == NULL || *name == '\0') | |
2250 | name = bfd_section_name (input_bfd, sec); | |
2251 | } | |
2252 | ||
ceaf50a2 | 2253 | switch ((int) r) |
252b5132 RH |
2254 | { |
2255 | case bfd_reloc_overflow: | |
2256 | if (! ((*info->callbacks->reloc_overflow) | |
dfeffb9f L |
2257 | (info, (h ? &h->root : NULL), name, howto->name, |
2258 | (bfd_vma) 0, input_bfd, input_section, | |
2259 | rel->r_offset))) | |
b34976b6 | 2260 | return FALSE; |
252b5132 RH |
2261 | break; |
2262 | ||
2263 | case bfd_reloc_undefined: | |
2264 | if (! ((*info->callbacks->undefined_symbol) | |
2265 | (info, name, input_bfd, input_section, | |
b34976b6 AM |
2266 | rel->r_offset, TRUE))) |
2267 | return FALSE; | |
252b5132 RH |
2268 | break; |
2269 | ||
2270 | case bfd_reloc_outofrange: | |
2271 | msg = _("internal error: out of range error"); | |
2272 | goto common_error; | |
2273 | ||
2274 | case bfd_reloc_notsupported: | |
2275 | msg = _("internal error: unsupported relocation error"); | |
2276 | goto common_error; | |
2277 | ||
2278 | case bfd_reloc_dangerous: | |
2279 | msg = _("internal error: dangerous relocation"); | |
2280 | goto common_error; | |
2281 | ||
5cec6941 | 2282 | case bfd_reloc_gp_not_found: |
252b5132 RH |
2283 | msg = _("could not locate special linker symbol __gp"); |
2284 | goto common_error; | |
2285 | ||
5cec6941 | 2286 | case bfd_reloc_ep_not_found: |
252b5132 RH |
2287 | msg = _("could not locate special linker symbol __ep"); |
2288 | goto common_error; | |
2289 | ||
5cec6941 | 2290 | case bfd_reloc_ctbp_not_found: |
252b5132 RH |
2291 | msg = _("could not locate special linker symbol __ctbp"); |
2292 | goto common_error; | |
435b1e90 | 2293 | |
252b5132 RH |
2294 | default: |
2295 | msg = _("internal error: unknown error"); | |
2296 | /* fall through */ | |
2297 | ||
2298 | common_error: | |
2299 | if (!((*info->callbacks->warning) | |
2300 | (info, msg, name, input_bfd, input_section, | |
2301 | rel->r_offset))) | |
b34976b6 | 2302 | return FALSE; |
252b5132 RH |
2303 | break; |
2304 | } | |
2305 | } | |
2306 | } | |
2307 | ||
b34976b6 | 2308 | return TRUE; |
252b5132 RH |
2309 | } |
2310 | ||
252b5132 | 2311 | static asection * |
47b0e7ad | 2312 | v850_elf_gc_mark_hook (asection *sec, |
07adf181 | 2313 | struct bfd_link_info *info, |
47b0e7ad NC |
2314 | Elf_Internal_Rela *rel, |
2315 | struct elf_link_hash_entry *h, | |
2316 | Elf_Internal_Sym *sym) | |
252b5132 RH |
2317 | { |
2318 | if (h != NULL) | |
07adf181 | 2319 | switch (ELF32_R_TYPE (rel->r_info)) |
252b5132 RH |
2320 | { |
2321 | case R_V850_GNU_VTINHERIT: | |
2322 | case R_V850_GNU_VTENTRY: | |
07adf181 AM |
2323 | return NULL; |
2324 | } | |
9ad5cbcf | 2325 | |
07adf181 | 2326 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
252b5132 | 2327 | } |
e12dd2ea | 2328 | |
de863c74 | 2329 | /* Set the right machine number and architecture. */ |
e12dd2ea | 2330 | |
b34976b6 | 2331 | static bfd_boolean |
47b0e7ad | 2332 | v850_elf_object_p (bfd *abfd) |
252b5132 | 2333 | { |
de863c74 NC |
2334 | enum bfd_architecture arch; |
2335 | unsigned long mach; | |
2336 | ||
2337 | switch (elf_elfheader (abfd)->e_machine) | |
252b5132 | 2338 | { |
de863c74 NC |
2339 | case EM_V800: |
2340 | arch = bfd_arch_v850_rh850; | |
78c8d46c NC |
2341 | mach = (elf_elfheader (abfd)->e_flags & EF_V800_850E3) |
2342 | ? bfd_mach_v850e3v5 : bfd_mach_v850e2v3; | |
8ad30312 | 2343 | break; |
de863c74 NC |
2344 | |
2345 | case EM_CYGNUS_V850: | |
2346 | case EM_V850: | |
2347 | arch = bfd_arch_v850; | |
2348 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) | |
2349 | { | |
2350 | default: | |
2351 | case E_V850_ARCH: mach = bfd_mach_v850; break; | |
2352 | case E_V850E_ARCH: mach = bfd_mach_v850e; break; | |
2353 | case E_V850E1_ARCH: mach = bfd_mach_v850e1; break; | |
2354 | case E_V850E2_ARCH: mach = bfd_mach_v850e2; break; | |
2355 | case E_V850E2V3_ARCH: mach = bfd_mach_v850e2v3; break; | |
78c8d46c | 2356 | case E_V850E3V5_ARCH: mach = bfd_mach_v850e3v5; break; |
de863c74 | 2357 | } |
1cd986c5 | 2358 | break; |
de863c74 NC |
2359 | |
2360 | default: | |
2361 | return FALSE; | |
252b5132 | 2362 | } |
de863c74 NC |
2363 | |
2364 | return bfd_default_set_arch_mach (abfd, arch, mach); | |
252b5132 RH |
2365 | } |
2366 | ||
2367 | /* Store the machine number in the flags field. */ | |
e12dd2ea | 2368 | |
252b5132 | 2369 | static void |
47b0e7ad NC |
2370 | v850_elf_final_write_processing (bfd *abfd, |
2371 | bfd_boolean linker ATTRIBUTE_UNUSED) | |
252b5132 RH |
2372 | { |
2373 | unsigned long val; | |
2374 | ||
de863c74 | 2375 | switch (bfd_get_arch (abfd)) |
252b5132 | 2376 | { |
de863c74 NC |
2377 | case bfd_arch_v850_rh850: |
2378 | val = EF_RH850_ABI; | |
78c8d46c NC |
2379 | if (bfd_get_mach (abfd) == bfd_mach_v850e3v5) |
2380 | val |= EF_V800_850E3; | |
de863c74 NC |
2381 | elf_elfheader (abfd)->e_flags |= val; |
2382 | break; | |
2383 | ||
2384 | case bfd_arch_v850: | |
2385 | switch (bfd_get_mach (abfd)) | |
2386 | { | |
2387 | default: | |
2388 | case bfd_mach_v850: val = E_V850_ARCH; break; | |
2389 | case bfd_mach_v850e: val = E_V850E_ARCH; break; | |
2390 | case bfd_mach_v850e1: val = E_V850E1_ARCH; break; | |
2391 | case bfd_mach_v850e2: val = E_V850E2_ARCH; break; | |
2392 | case bfd_mach_v850e2v3: val = E_V850E2V3_ARCH; break; | |
78c8d46c | 2393 | case bfd_mach_v850e3v5: val = E_V850E3V5_ARCH; break; |
de863c74 NC |
2394 | } |
2395 | elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH; | |
2396 | elf_elfheader (abfd)->e_flags |= val; | |
2397 | break; | |
b34976b6 | 2398 | default: |
de863c74 | 2399 | break; |
252b5132 | 2400 | } |
252b5132 RH |
2401 | } |
2402 | ||
435b1e90 | 2403 | /* Function to keep V850 specific file flags. */ |
e12dd2ea | 2404 | |
b34976b6 | 2405 | static bfd_boolean |
47b0e7ad | 2406 | v850_elf_set_private_flags (bfd *abfd, flagword flags) |
252b5132 RH |
2407 | { |
2408 | BFD_ASSERT (!elf_flags_init (abfd) | |
2409 | || elf_elfheader (abfd)->e_flags == flags); | |
2410 | ||
2411 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 AM |
2412 | elf_flags_init (abfd) = TRUE; |
2413 | return TRUE; | |
252b5132 RH |
2414 | } |
2415 | ||
e12dd2ea NC |
2416 | /* Merge backend specific data from an object file |
2417 | to the output object file when linking. */ | |
47b0e7ad | 2418 | |
b34976b6 | 2419 | static bfd_boolean |
47b0e7ad | 2420 | v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd) |
252b5132 RH |
2421 | { |
2422 | flagword out_flags; | |
2423 | flagword in_flags; | |
2424 | ||
2425 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
2426 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 2427 | return TRUE; |
252b5132 RH |
2428 | |
2429 | in_flags = elf_elfheader (ibfd)->e_flags; | |
2430 | out_flags = elf_elfheader (obfd)->e_flags; | |
2431 | ||
2432 | if (! elf_flags_init (obfd)) | |
2433 | { | |
2434 | /* If the input is the default architecture then do not | |
2435 | bother setting the flags for the output architecture, | |
2436 | instead allow future merges to do this. If no future | |
2437 | merges ever set these flags then they will retain their | |
2438 | unitialised values, which surprise surprise, correspond | |
2439 | to the default values. */ | |
2440 | if (bfd_get_arch_info (ibfd)->the_default) | |
b34976b6 | 2441 | return TRUE; |
435b1e90 | 2442 | |
b34976b6 | 2443 | elf_flags_init (obfd) = TRUE; |
252b5132 RH |
2444 | elf_elfheader (obfd)->e_flags = in_flags; |
2445 | ||
2446 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
2447 | && bfd_get_arch_info (obfd)->the_default) | |
e12dd2ea | 2448 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd)); |
252b5132 | 2449 | |
b34976b6 | 2450 | return TRUE; |
252b5132 RH |
2451 | } |
2452 | ||
2453 | /* Check flag compatibility. */ | |
2454 | if (in_flags == out_flags) | |
b34976b6 | 2455 | return TRUE; |
252b5132 | 2456 | |
de863c74 NC |
2457 | if (bfd_get_arch (obfd) == bfd_arch_v850_rh850) |
2458 | { | |
2459 | if ((in_flags & EF_V800_850E3) != (out_flags & EF_V800_850E3)) | |
2460 | { | |
2461 | _bfd_error_handler (_("%B: Architecture mismatch with previous modules"), | |
2462 | ibfd); | |
2463 | elf_elfheader (obfd)->e_flags |= EF_V800_850E3; | |
2464 | } | |
2465 | ||
2466 | if ((in_flags & EF_RH850_DATA_ALIGN8) != (out_flags & EF_RH850_DATA_ALIGN8)) | |
2467 | { | |
2468 | _bfd_error_handler (_("%B: Alignment mismatch with previous modules"), | |
2469 | ibfd); | |
2470 | elf_elfheader (obfd)->e_flags |= EF_RH850_DATA_ALIGN8; | |
2471 | } | |
2472 | ||
2473 | return TRUE; | |
2474 | } | |
2475 | ||
252b5132 RH |
2476 | if ((in_flags & EF_V850_ARCH) != (out_flags & EF_V850_ARCH) |
2477 | && (in_flags & EF_V850_ARCH) != E_V850_ARCH) | |
8ad30312 | 2478 | { |
de863c74 NC |
2479 | /* Allow earlier architecture binaries to be linked with later binaries. |
2480 | Set the output binary to the later architecture, except for v850e1, | |
2481 | which we set to v850e. */ | |
2482 | if ( (in_flags & EF_V850_ARCH) == E_V850E1_ARCH | |
1cd986c5 NC |
2483 | && (out_flags & EF_V850_ARCH) == E_V850E_ARCH) |
2484 | return TRUE; | |
8ad30312 | 2485 | |
de863c74 | 2486 | if ( (in_flags & EF_V850_ARCH) == E_V850_ARCH |
1cd986c5 | 2487 | && (out_flags & EF_V850_ARCH) == E_V850E_ARCH) |
8ad30312 NC |
2488 | { |
2489 | elf_elfheader (obfd)->e_flags = | |
2490 | ((out_flags & ~ EF_V850_ARCH) | E_V850E_ARCH); | |
2491 | return TRUE; | |
2492 | } | |
2493 | ||
de863c74 | 2494 | if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH |
1cd986c5 NC |
2495 | || (in_flags & EF_V850_ARCH) == E_V850E_ARCH) |
2496 | && (out_flags & EF_V850_ARCH) == E_V850E2_ARCH) | |
2497 | { | |
2498 | elf_elfheader (obfd)->e_flags = | |
2499 | ((out_flags & ~ EF_V850_ARCH) | E_V850E2_ARCH); | |
2500 | return TRUE; | |
2501 | } | |
2502 | ||
de863c74 | 2503 | if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH |
1cd986c5 NC |
2504 | || (in_flags & EF_V850_ARCH) == E_V850E_ARCH |
2505 | || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH) | |
2506 | && (out_flags & EF_V850_ARCH) == E_V850E2V3_ARCH) | |
2507 | { | |
2508 | elf_elfheader (obfd)->e_flags = | |
2509 | ((out_flags & ~ EF_V850_ARCH) | E_V850E2V3_ARCH); | |
2510 | return TRUE; | |
2511 | } | |
2512 | ||
78c8d46c NC |
2513 | if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH |
2514 | || (in_flags & EF_V850_ARCH) == E_V850E_ARCH | |
2515 | || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH | |
2516 | || (in_flags & EF_V850_ARCH) == E_V850E2V3_ARCH) | |
2517 | && (out_flags & EF_V850_ARCH) == E_V850E3V5_ARCH) | |
2518 | { | |
2519 | elf_elfheader (obfd)->e_flags = | |
2520 | ((out_flags & ~ EF_V850_ARCH) | E_V850E3V5_ARCH); | |
2521 | return TRUE; | |
2522 | } | |
2523 | ||
d003868e AM |
2524 | _bfd_error_handler (_("%B: Architecture mismatch with previous modules"), |
2525 | ibfd); | |
8ad30312 | 2526 | } |
252b5132 | 2527 | |
b34976b6 | 2528 | return TRUE; |
252b5132 | 2529 | } |
e12dd2ea NC |
2530 | |
2531 | /* Display the flags field. */ | |
252b5132 | 2532 | |
b34976b6 | 2533 | static bfd_boolean |
47b0e7ad | 2534 | v850_elf_print_private_bfd_data (bfd *abfd, void * ptr) |
252b5132 RH |
2535 | { |
2536 | FILE * file = (FILE *) ptr; | |
435b1e90 | 2537 | |
252b5132 | 2538 | BFD_ASSERT (abfd != NULL && ptr != NULL); |
435b1e90 | 2539 | |
252b5132 | 2540 | _bfd_elf_print_private_bfd_data (abfd, ptr); |
435b1e90 | 2541 | |
1cd986c5 | 2542 | /* xgettext:c-format. */ |
252b5132 | 2543 | fprintf (file, _("private flags = %lx: "), elf_elfheader (abfd)->e_flags); |
435b1e90 | 2544 | |
de863c74 | 2545 | if (bfd_get_arch (abfd) == bfd_arch_v850_rh850) |
252b5132 | 2546 | { |
de863c74 | 2547 | if ((elf_elfheader (abfd)->e_flags & EF_RH850_ABI) != EF_RH850_ABI) |
68ffbac6 | 2548 | fprintf (file, _("unknown v850 architecture")); |
de863c74 NC |
2549 | else if (elf_elfheader (abfd)->e_flags & EF_V800_850E3) |
2550 | fprintf (file, _("v850 E3 architecture")); | |
2551 | else | |
2552 | fprintf (file, _("v850 architecture")); | |
2553 | ||
2554 | if (elf_elfheader (abfd)->e_flags & EF_RH850_DATA_ALIGN8) | |
2555 | fprintf (file, _(", 8-byte data alignment")); | |
2556 | } | |
2557 | else | |
2558 | { | |
2559 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) | |
2560 | { | |
2561 | default: | |
2562 | case E_V850_ARCH: fprintf (file, _("v850 architecture")); break; | |
2563 | case E_V850E_ARCH: fprintf (file, _("v850e architecture")); break; | |
2564 | case E_V850E1_ARCH: fprintf (file, _("v850e1 architecture")); break; | |
2565 | case E_V850E2_ARCH: fprintf (file, _("v850e2 architecture")); break; | |
2566 | case E_V850E2V3_ARCH: fprintf (file, _("v850e2v3 architecture")); break; | |
78c8d46c | 2567 | case E_V850E3V5_ARCH: fprintf (file, _("v850e3v5 architecture")); break; |
de863c74 | 2568 | } |
252b5132 | 2569 | } |
435b1e90 | 2570 | |
252b5132 | 2571 | fputc ('\n', file); |
435b1e90 | 2572 | |
b34976b6 | 2573 | return TRUE; |
252b5132 RH |
2574 | } |
2575 | ||
2576 | /* V850 ELF uses four common sections. One is the usual one, and the | |
2577 | others are for (small) objects in one of the special data areas: | |
2578 | small, tiny and zero. All the objects are kept together, and then | |
2579 | referenced via the gp register, the ep register or the r0 register | |
2580 | respectively, which yields smaller, faster assembler code. This | |
2581 | approach is copied from elf32-mips.c. */ | |
2582 | ||
2583 | static asection v850_elf_scom_section; | |
2584 | static asymbol v850_elf_scom_symbol; | |
2585 | static asymbol * v850_elf_scom_symbol_ptr; | |
2586 | static asection v850_elf_tcom_section; | |
2587 | static asymbol v850_elf_tcom_symbol; | |
2588 | static asymbol * v850_elf_tcom_symbol_ptr; | |
2589 | static asection v850_elf_zcom_section; | |
2590 | static asymbol v850_elf_zcom_symbol; | |
2591 | static asymbol * v850_elf_zcom_symbol_ptr; | |
2592 | ||
e12dd2ea NC |
2593 | /* Given a BFD section, try to locate the |
2594 | corresponding ELF section index. */ | |
252b5132 | 2595 | |
b34976b6 | 2596 | static bfd_boolean |
47b0e7ad NC |
2597 | v850_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, |
2598 | asection *sec, | |
2599 | int *retval) | |
252b5132 RH |
2600 | { |
2601 | if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0) | |
2602 | *retval = SHN_V850_SCOMMON; | |
2603 | else if (strcmp (bfd_get_section_name (abfd, sec), ".tcommon") == 0) | |
2604 | *retval = SHN_V850_TCOMMON; | |
2605 | else if (strcmp (bfd_get_section_name (abfd, sec), ".zcommon") == 0) | |
2606 | *retval = SHN_V850_ZCOMMON; | |
2607 | else | |
b34976b6 | 2608 | return FALSE; |
435b1e90 | 2609 | |
b34976b6 | 2610 | return TRUE; |
252b5132 RH |
2611 | } |
2612 | ||
2613 | /* Handle the special V850 section numbers that a symbol may use. */ | |
2614 | ||
2615 | static void | |
47b0e7ad | 2616 | v850_elf_symbol_processing (bfd *abfd, asymbol *asym) |
252b5132 RH |
2617 | { |
2618 | elf_symbol_type * elfsym = (elf_symbol_type *) asym; | |
9ad5cbcf | 2619 | unsigned int indx; |
435b1e90 | 2620 | |
9ad5cbcf | 2621 | indx = elfsym->internal_elf_sym.st_shndx; |
252b5132 RH |
2622 | |
2623 | /* If the section index is an "ordinary" index, then it may | |
2624 | refer to a v850 specific section created by the assembler. | |
2625 | Check the section's type and change the index it matches. | |
435b1e90 | 2626 | |
252b5132 | 2627 | FIXME: Should we alter the st_shndx field as well ? */ |
435b1e90 | 2628 | |
9ad5cbcf | 2629 | if (indx < elf_numsections (abfd)) |
1cd986c5 | 2630 | switch (elf_elfsections (abfd)[indx]->sh_type) |
252b5132 RH |
2631 | { |
2632 | case SHT_V850_SCOMMON: | |
9ad5cbcf | 2633 | indx = SHN_V850_SCOMMON; |
252b5132 | 2634 | break; |
435b1e90 | 2635 | |
252b5132 | 2636 | case SHT_V850_TCOMMON: |
9ad5cbcf | 2637 | indx = SHN_V850_TCOMMON; |
252b5132 | 2638 | break; |
435b1e90 | 2639 | |
252b5132 | 2640 | case SHT_V850_ZCOMMON: |
9ad5cbcf | 2641 | indx = SHN_V850_ZCOMMON; |
252b5132 | 2642 | break; |
435b1e90 | 2643 | |
252b5132 RH |
2644 | default: |
2645 | break; | |
2646 | } | |
435b1e90 | 2647 | |
9ad5cbcf | 2648 | switch (indx) |
252b5132 RH |
2649 | { |
2650 | case SHN_V850_SCOMMON: | |
2651 | if (v850_elf_scom_section.name == NULL) | |
2652 | { | |
2653 | /* Initialize the small common section. */ | |
2654 | v850_elf_scom_section.name = ".scommon"; | |
2655 | v850_elf_scom_section.flags = SEC_IS_COMMON | SEC_ALLOC | SEC_DATA; | |
2656 | v850_elf_scom_section.output_section = & v850_elf_scom_section; | |
2657 | v850_elf_scom_section.symbol = & v850_elf_scom_symbol; | |
2658 | v850_elf_scom_section.symbol_ptr_ptr = & v850_elf_scom_symbol_ptr; | |
2659 | v850_elf_scom_symbol.name = ".scommon"; | |
2660 | v850_elf_scom_symbol.flags = BSF_SECTION_SYM; | |
2661 | v850_elf_scom_symbol.section = & v850_elf_scom_section; | |
2662 | v850_elf_scom_symbol_ptr = & v850_elf_scom_symbol; | |
2663 | } | |
2664 | asym->section = & v850_elf_scom_section; | |
2665 | asym->value = elfsym->internal_elf_sym.st_size; | |
2666 | break; | |
435b1e90 | 2667 | |
252b5132 RH |
2668 | case SHN_V850_TCOMMON: |
2669 | if (v850_elf_tcom_section.name == NULL) | |
2670 | { | |
2671 | /* Initialize the tcommon section. */ | |
2672 | v850_elf_tcom_section.name = ".tcommon"; | |
2673 | v850_elf_tcom_section.flags = SEC_IS_COMMON; | |
2674 | v850_elf_tcom_section.output_section = & v850_elf_tcom_section; | |
2675 | v850_elf_tcom_section.symbol = & v850_elf_tcom_symbol; | |
2676 | v850_elf_tcom_section.symbol_ptr_ptr = & v850_elf_tcom_symbol_ptr; | |
2677 | v850_elf_tcom_symbol.name = ".tcommon"; | |
2678 | v850_elf_tcom_symbol.flags = BSF_SECTION_SYM; | |
2679 | v850_elf_tcom_symbol.section = & v850_elf_tcom_section; | |
2680 | v850_elf_tcom_symbol_ptr = & v850_elf_tcom_symbol; | |
2681 | } | |
2682 | asym->section = & v850_elf_tcom_section; | |
2683 | asym->value = elfsym->internal_elf_sym.st_size; | |
2684 | break; | |
2685 | ||
2686 | case SHN_V850_ZCOMMON: | |
2687 | if (v850_elf_zcom_section.name == NULL) | |
2688 | { | |
2689 | /* Initialize the zcommon section. */ | |
2690 | v850_elf_zcom_section.name = ".zcommon"; | |
2691 | v850_elf_zcom_section.flags = SEC_IS_COMMON; | |
2692 | v850_elf_zcom_section.output_section = & v850_elf_zcom_section; | |
2693 | v850_elf_zcom_section.symbol = & v850_elf_zcom_symbol; | |
2694 | v850_elf_zcom_section.symbol_ptr_ptr = & v850_elf_zcom_symbol_ptr; | |
2695 | v850_elf_zcom_symbol.name = ".zcommon"; | |
2696 | v850_elf_zcom_symbol.flags = BSF_SECTION_SYM; | |
2697 | v850_elf_zcom_symbol.section = & v850_elf_zcom_section; | |
2698 | v850_elf_zcom_symbol_ptr = & v850_elf_zcom_symbol; | |
2699 | } | |
2700 | asym->section = & v850_elf_zcom_section; | |
2701 | asym->value = elfsym->internal_elf_sym.st_size; | |
2702 | break; | |
2703 | } | |
2704 | } | |
2705 | ||
2706 | /* Hook called by the linker routine which adds symbols from an object | |
2707 | file. We must handle the special v850 section numbers here. */ | |
2708 | ||
b34976b6 | 2709 | static bfd_boolean |
47b0e7ad NC |
2710 | v850_elf_add_symbol_hook (bfd *abfd, |
2711 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
2712 | Elf_Internal_Sym *sym, | |
2713 | const char **namep ATTRIBUTE_UNUSED, | |
2714 | flagword *flagsp ATTRIBUTE_UNUSED, | |
2715 | asection **secp, | |
2716 | bfd_vma *valp) | |
252b5132 | 2717 | { |
9ad5cbcf | 2718 | unsigned int indx = sym->st_shndx; |
435b1e90 | 2719 | |
252b5132 RH |
2720 | /* If the section index is an "ordinary" index, then it may |
2721 | refer to a v850 specific section created by the assembler. | |
2722 | Check the section's type and change the index it matches. | |
435b1e90 | 2723 | |
252b5132 | 2724 | FIXME: Should we alter the st_shndx field as well ? */ |
435b1e90 | 2725 | |
9ad5cbcf | 2726 | if (indx < elf_numsections (abfd)) |
1cd986c5 | 2727 | switch (elf_elfsections (abfd)[indx]->sh_type) |
252b5132 RH |
2728 | { |
2729 | case SHT_V850_SCOMMON: | |
9ad5cbcf | 2730 | indx = SHN_V850_SCOMMON; |
252b5132 | 2731 | break; |
435b1e90 | 2732 | |
252b5132 | 2733 | case SHT_V850_TCOMMON: |
9ad5cbcf | 2734 | indx = SHN_V850_TCOMMON; |
252b5132 | 2735 | break; |
435b1e90 | 2736 | |
252b5132 | 2737 | case SHT_V850_ZCOMMON: |
9ad5cbcf | 2738 | indx = SHN_V850_ZCOMMON; |
252b5132 | 2739 | break; |
435b1e90 | 2740 | |
252b5132 RH |
2741 | default: |
2742 | break; | |
2743 | } | |
435b1e90 | 2744 | |
9ad5cbcf | 2745 | switch (indx) |
252b5132 RH |
2746 | { |
2747 | case SHN_V850_SCOMMON: | |
2748 | *secp = bfd_make_section_old_way (abfd, ".scommon"); | |
2749 | (*secp)->flags |= SEC_IS_COMMON; | |
2750 | *valp = sym->st_size; | |
2751 | break; | |
435b1e90 | 2752 | |
252b5132 RH |
2753 | case SHN_V850_TCOMMON: |
2754 | *secp = bfd_make_section_old_way (abfd, ".tcommon"); | |
2755 | (*secp)->flags |= SEC_IS_COMMON; | |
2756 | *valp = sym->st_size; | |
2757 | break; | |
435b1e90 | 2758 | |
252b5132 RH |
2759 | case SHN_V850_ZCOMMON: |
2760 | *secp = bfd_make_section_old_way (abfd, ".zcommon"); | |
2761 | (*secp)->flags |= SEC_IS_COMMON; | |
2762 | *valp = sym->st_size; | |
2763 | break; | |
2764 | } | |
2765 | ||
b34976b6 | 2766 | return TRUE; |
252b5132 RH |
2767 | } |
2768 | ||
6e0b88f1 | 2769 | static int |
47b0e7ad NC |
2770 | v850_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
2771 | const char *name ATTRIBUTE_UNUSED, | |
2772 | Elf_Internal_Sym *sym, | |
2773 | asection *input_sec, | |
3dd2d30b | 2774 | struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) |
252b5132 RH |
2775 | { |
2776 | /* If we see a common symbol, which implies a relocatable link, then | |
2777 | if a symbol was in a special common section in an input file, mark | |
2778 | it as a special common in the output file. */ | |
435b1e90 | 2779 | |
252b5132 RH |
2780 | if (sym->st_shndx == SHN_COMMON) |
2781 | { | |
2782 | if (strcmp (input_sec->name, ".scommon") == 0) | |
2783 | sym->st_shndx = SHN_V850_SCOMMON; | |
2784 | else if (strcmp (input_sec->name, ".tcommon") == 0) | |
2785 | sym->st_shndx = SHN_V850_TCOMMON; | |
2786 | else if (strcmp (input_sec->name, ".zcommon") == 0) | |
2787 | sym->st_shndx = SHN_V850_ZCOMMON; | |
2788 | } | |
2789 | ||
d4c87fc1 AM |
2790 | /* The price we pay for using h->other unused bits as flags in the |
2791 | linker is cleaning up after ourselves. */ | |
3dd2d30b AM |
2792 | |
2793 | sym->st_other &= ~(V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA | |
2794 | | V850_OTHER_ERROR); | |
d4c87fc1 | 2795 | |
6e0b88f1 | 2796 | return 1; |
252b5132 RH |
2797 | } |
2798 | ||
b34976b6 | 2799 | static bfd_boolean |
6dc132d9 L |
2800 | v850_elf_section_from_shdr (bfd *abfd, |
2801 | Elf_Internal_Shdr *hdr, | |
2802 | const char *name, | |
2803 | int shindex) | |
252b5132 RH |
2804 | { |
2805 | /* There ought to be a place to keep ELF backend specific flags, but | |
2806 | at the moment there isn't one. We just keep track of the | |
2807 | sections by their name, instead. */ | |
2808 | ||
6dc132d9 | 2809 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
b34976b6 | 2810 | return FALSE; |
252b5132 RH |
2811 | |
2812 | switch (hdr->sh_type) | |
2813 | { | |
2814 | case SHT_V850_SCOMMON: | |
2815 | case SHT_V850_TCOMMON: | |
2816 | case SHT_V850_ZCOMMON: | |
2817 | if (! bfd_set_section_flags (abfd, hdr->bfd_section, | |
2818 | (bfd_get_section_flags (abfd, | |
2819 | hdr->bfd_section) | |
2820 | | SEC_IS_COMMON))) | |
b34976b6 | 2821 | return FALSE; |
252b5132 RH |
2822 | } |
2823 | ||
b34976b6 | 2824 | return TRUE; |
252b5132 RH |
2825 | } |
2826 | ||
e12dd2ea NC |
2827 | /* Set the correct type for a V850 ELF section. We do this |
2828 | by the section name, which is a hack, but ought to work. */ | |
2829 | ||
b34976b6 | 2830 | static bfd_boolean |
47b0e7ad NC |
2831 | v850_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
2832 | Elf_Internal_Shdr *hdr, | |
2833 | asection *sec) | |
252b5132 | 2834 | { |
47b0e7ad | 2835 | const char * name; |
252b5132 RH |
2836 | |
2837 | name = bfd_get_section_name (abfd, sec); | |
2838 | ||
2839 | if (strcmp (name, ".scommon") == 0) | |
47b0e7ad | 2840 | hdr->sh_type = SHT_V850_SCOMMON; |
252b5132 | 2841 | else if (strcmp (name, ".tcommon") == 0) |
47b0e7ad | 2842 | hdr->sh_type = SHT_V850_TCOMMON; |
252b5132 RH |
2843 | else if (strcmp (name, ".zcommon") == 0) |
2844 | hdr->sh_type = SHT_V850_ZCOMMON; | |
435b1e90 | 2845 | |
b34976b6 | 2846 | return TRUE; |
252b5132 | 2847 | } |
86aba9db NC |
2848 | |
2849 | /* Delete some bytes from a section while relaxing. */ | |
2850 | ||
b34976b6 | 2851 | static bfd_boolean |
47b0e7ad NC |
2852 | v850_elf_relax_delete_bytes (bfd *abfd, |
2853 | asection *sec, | |
2854 | bfd_vma addr, | |
2855 | bfd_vma toaddr, | |
2856 | int count) | |
86aba9db | 2857 | { |
b34976b6 AM |
2858 | Elf_Internal_Shdr *symtab_hdr; |
2859 | Elf32_External_Sym *extsyms; | |
2860 | Elf32_External_Sym *esym; | |
2861 | Elf32_External_Sym *esymend; | |
91d6fa6a | 2862 | int sym_index; |
b34976b6 AM |
2863 | unsigned int sec_shndx; |
2864 | bfd_byte *contents; | |
2865 | Elf_Internal_Rela *irel; | |
2866 | Elf_Internal_Rela *irelend; | |
2867 | struct elf_link_hash_entry *sym_hash; | |
2868 | Elf_Internal_Shdr *shndx_hdr; | |
2869 | Elf_External_Sym_Shndx *shndx; | |
86aba9db NC |
2870 | |
2871 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
2872 | extsyms = (Elf32_External_Sym *) symtab_hdr->contents; | |
2873 | ||
2874 | sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); | |
2875 | ||
2876 | contents = elf_section_data (sec)->this_hdr.contents; | |
2877 | ||
2878 | /* The deletion must stop at the next ALIGN reloc for an alignment | |
2879 | power larger than the number of bytes we are deleting. */ | |
2880 | ||
2881 | /* Actually delete the bytes. */ | |
2882 | #if (DEBUG_RELAX & 2) | |
2883 | fprintf (stderr, "relax_delete: contents: sec: %s %p .. %p %x\n", | |
2884 | sec->name, addr, toaddr, count ); | |
2885 | #endif | |
2886 | memmove (contents + addr, contents + addr + count, | |
2887 | toaddr - addr - count); | |
2888 | memset (contents + toaddr-count, 0, count); | |
2889 | ||
2890 | /* Adjust all the relocs. */ | |
2891 | irel = elf_section_data (sec)->relocs; | |
2892 | irelend = irel + sec->reloc_count; | |
2893 | shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr; | |
2894 | shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents; | |
2895 | ||
2896 | for (; irel < irelend; irel++) | |
2897 | { | |
2898 | bfd_vma raddr, paddr, symval; | |
2899 | Elf_Internal_Sym isym; | |
2900 | ||
2901 | /* Get the new reloc address. */ | |
2902 | raddr = irel->r_offset; | |
2903 | if ((raddr >= (addr + count) && raddr < toaddr)) | |
b34976b6 | 2904 | irel->r_offset -= count; |
86aba9db NC |
2905 | |
2906 | if (raddr >= addr && raddr < addr + count) | |
2907 | { | |
2908 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
2909 | (int) R_V850_NONE); | |
2910 | continue; | |
2911 | } | |
b34976b6 | 2912 | |
86aba9db NC |
2913 | if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN) |
2914 | continue; | |
2915 | ||
2916 | bfd_elf32_swap_symbol_in (abfd, | |
2917 | extsyms + ELF32_R_SYM (irel->r_info), | |
2918 | shndx ? shndx + ELF32_R_SYM (irel->r_info) : NULL, | |
2919 | & isym); | |
b34976b6 | 2920 | |
86aba9db NC |
2921 | if (isym.st_shndx != sec_shndx) |
2922 | continue; | |
2923 | ||
2924 | /* Get the value of the symbol referred to by the reloc. */ | |
2925 | if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info) | |
2926 | { | |
2927 | symval = isym.st_value; | |
2928 | #if (DEBUG_RELAX & 2) | |
2929 | { | |
2930 | char * name = bfd_elf_string_from_elf_section | |
2931 | (abfd, symtab_hdr->sh_link, isym.st_name); | |
2932 | fprintf (stderr, | |
2933 | "relax_delete: local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n", | |
2934 | sec->name, name, isym.st_name, | |
2935 | sec->output_section->vma, sec->output_offset, | |
2936 | isym.st_value, irel->r_addend); | |
2937 | } | |
2938 | #endif | |
2939 | } | |
2940 | else | |
2941 | { | |
2942 | unsigned long indx; | |
2943 | struct elf_link_hash_entry * h; | |
2944 | ||
2945 | /* An external symbol. */ | |
2946 | indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info; | |
2947 | ||
2948 | h = elf_sym_hashes (abfd) [indx]; | |
2949 | BFD_ASSERT (h != NULL); | |
2950 | ||
2951 | symval = h->root.u.def.value; | |
2952 | #if (DEBUG_RELAX & 2) | |
2953 | fprintf (stderr, | |
2954 | "relax_delete: defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n", | |
2955 | sec->name, h->root.root.string, h->root.u.def.value, | |
2956 | sec->output_section->vma, sec->output_offset, irel->r_addend); | |
2957 | #endif | |
2958 | } | |
b34976b6 | 2959 | |
86aba9db | 2960 | paddr = symval + irel->r_addend; |
b34976b6 | 2961 | |
86aba9db NC |
2962 | if ( (symval >= addr + count && symval < toaddr) |
2963 | && (paddr < addr + count || paddr >= toaddr)) | |
2964 | irel->r_addend += count; | |
2965 | else if ( (symval < addr + count || symval >= toaddr) | |
2966 | && (paddr >= addr + count && paddr < toaddr)) | |
2967 | irel->r_addend -= count; | |
2968 | } | |
2969 | ||
2970 | /* Adjust the local symbols defined in this section. */ | |
2971 | esym = extsyms; | |
2972 | esymend = esym + symtab_hdr->sh_info; | |
2973 | ||
2974 | for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL)) | |
2975 | { | |
2976 | Elf_Internal_Sym isym; | |
2977 | ||
2978 | bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym); | |
2979 | ||
2980 | if (isym.st_shndx == sec_shndx | |
2981 | && isym.st_value >= addr + count | |
2982 | && isym.st_value < toaddr) | |
2983 | { | |
2984 | isym.st_value -= count; | |
2985 | ||
2986 | if (isym.st_value + isym.st_size >= toaddr) | |
b34976b6 AM |
2987 | isym.st_size += count; |
2988 | ||
63a23799 | 2989 | bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx); |
86aba9db NC |
2990 | } |
2991 | else if (isym.st_shndx == sec_shndx | |
2992 | && isym.st_value < addr + count) | |
2993 | { | |
2994 | if (isym.st_value+isym.st_size >= addr + count | |
2995 | && isym.st_value+isym.st_size < toaddr) | |
2996 | isym.st_size -= count; | |
2997 | ||
2998 | if (isym.st_value >= addr | |
2999 | && isym.st_value < addr + count) | |
3000 | isym.st_value = addr; | |
3001 | ||
63a23799 | 3002 | bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx); |
86aba9db NC |
3003 | } |
3004 | } | |
3005 | ||
3006 | /* Now adjust the global symbols defined in this section. */ | |
3007 | esym = extsyms + symtab_hdr->sh_info; | |
3008 | esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)); | |
3009 | ||
91d6fa6a | 3010 | for (sym_index = 0; esym < esymend; esym ++, sym_index ++) |
86aba9db NC |
3011 | { |
3012 | Elf_Internal_Sym isym; | |
3013 | ||
3014 | bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym); | |
91d6fa6a | 3015 | sym_hash = elf_sym_hashes (abfd) [sym_index]; |
86aba9db NC |
3016 | |
3017 | if (isym.st_shndx == sec_shndx | |
3018 | && ((sym_hash)->root.type == bfd_link_hash_defined | |
3019 | || (sym_hash)->root.type == bfd_link_hash_defweak) | |
3020 | && (sym_hash)->root.u.def.section == sec | |
3021 | && (sym_hash)->root.u.def.value >= addr + count | |
3022 | && (sym_hash)->root.u.def.value < toaddr) | |
3023 | { | |
3024 | if ((sym_hash)->root.u.def.value + isym.st_size >= toaddr) | |
3025 | { | |
3026 | isym.st_size += count; | |
63a23799 | 3027 | bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx); |
86aba9db NC |
3028 | } |
3029 | ||
3030 | (sym_hash)->root.u.def.value -= count; | |
3031 | } | |
3032 | else if (isym.st_shndx == sec_shndx | |
3033 | && ((sym_hash)->root.type == bfd_link_hash_defined | |
3034 | || (sym_hash)->root.type == bfd_link_hash_defweak) | |
3035 | && (sym_hash)->root.u.def.section == sec | |
3036 | && (sym_hash)->root.u.def.value < addr + count) | |
3037 | { | |
3038 | if ((sym_hash)->root.u.def.value+isym.st_size >= addr + count | |
3039 | && (sym_hash)->root.u.def.value+isym.st_size < toaddr) | |
3040 | isym.st_size -= count; | |
3041 | ||
3042 | if ((sym_hash)->root.u.def.value >= addr | |
3043 | && (sym_hash)->root.u.def.value < addr + count) | |
3044 | (sym_hash)->root.u.def.value = addr; | |
3045 | ||
63a23799 | 3046 | bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx); |
86aba9db NC |
3047 | } |
3048 | ||
3049 | if (shndx) | |
3050 | ++ shndx; | |
3051 | } | |
3052 | ||
b34976b6 | 3053 | return TRUE; |
86aba9db NC |
3054 | } |
3055 | ||
3056 | #define NOP_OPCODE (0x0000) | |
1cd986c5 | 3057 | #define MOVHI 0x0640 /* 4byte. */ |
86aba9db | 3058 | #define MOVHI_MASK 0x07e0 |
1cd986c5 | 3059 | #define MOVHI_R1(insn) ((insn) & 0x1f) /* 4byte. */ |
86aba9db | 3060 | #define MOVHI_R2(insn) ((insn) >> 11) |
1cd986c5 | 3061 | #define MOVEA 0x0620 /* 2byte. */ |
86aba9db NC |
3062 | #define MOVEA_MASK 0x07e0 |
3063 | #define MOVEA_R1(insn) ((insn) & 0x1f) | |
3064 | #define MOVEA_R2(insn) ((insn) >> 11) | |
1cd986c5 | 3065 | #define JARL_4 0x00040780 /* 4byte. */ |
86aba9db NC |
3066 | #define JARL_4_MASK 0xFFFF07FF |
3067 | #define JARL_R2(insn) (int)(((insn) & (~JARL_4_MASK)) >> 11) | |
1cd986c5 | 3068 | #define ADD_I 0x0240 /* 2byte. */ |
86aba9db | 3069 | #define ADD_I_MASK 0x07e0 |
1cd986c5 | 3070 | #define ADD_I5(insn) ((((insn) & 0x001f) << 11) >> 11) /* 2byte. */ |
86aba9db | 3071 | #define ADD_R2(insn) ((insn) >> 11) |
1cd986c5 | 3072 | #define JMP_R 0x0060 /* 2byte. */ |
86aba9db NC |
3073 | #define JMP_R_MASK 0xFFE0 |
3074 | #define JMP_R1(insn) ((insn) & 0x1f) | |
3075 | ||
b34976b6 | 3076 | static bfd_boolean |
47b0e7ad NC |
3077 | v850_elf_relax_section (bfd *abfd, |
3078 | asection *sec, | |
3079 | struct bfd_link_info *link_info, | |
3080 | bfd_boolean *again) | |
86aba9db | 3081 | { |
b34976b6 AM |
3082 | Elf_Internal_Shdr *symtab_hdr; |
3083 | Elf_Internal_Rela *internal_relocs; | |
3084 | Elf_Internal_Rela *irel; | |
3085 | Elf_Internal_Rela *irelend; | |
3086 | Elf_Internal_Rela *irelalign = NULL; | |
3087 | Elf_Internal_Sym *isymbuf = NULL; | |
3088 | bfd_byte *contents = NULL; | |
3089 | bfd_vma addr = 0; | |
3090 | bfd_vma toaddr; | |
3091 | int align_pad_size = 0; | |
3092 | bfd_boolean result = TRUE; | |
3093 | ||
3094 | *again = FALSE; | |
86aba9db | 3095 | |
1049f94e | 3096 | if (link_info->relocatable |
86aba9db NC |
3097 | || (sec->flags & SEC_RELOC) == 0 |
3098 | || sec->reloc_count == 0) | |
b34976b6 | 3099 | return TRUE; |
86aba9db | 3100 | |
86aba9db NC |
3101 | symtab_hdr = & elf_tdata (abfd)->symtab_hdr; |
3102 | ||
45d6a902 | 3103 | internal_relocs = (_bfd_elf_link_read_relocs |
47b0e7ad | 3104 | (abfd, sec, NULL, NULL, link_info->keep_memory)); |
86aba9db NC |
3105 | if (internal_relocs == NULL) |
3106 | goto error_return; | |
86aba9db NC |
3107 | |
3108 | irelend = internal_relocs + sec->reloc_count; | |
b34976b6 | 3109 | |
eea6121a | 3110 | while (addr < sec->size) |
86aba9db | 3111 | { |
eea6121a | 3112 | toaddr = sec->size; |
86aba9db NC |
3113 | |
3114 | for (irel = internal_relocs; irel < irelend; irel ++) | |
3115 | if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN | |
3116 | && irel->r_offset > addr | |
3117 | && irel->r_offset < toaddr) | |
3118 | toaddr = irel->r_offset; | |
b34976b6 | 3119 | |
86aba9db NC |
3120 | #ifdef DEBUG_RELAX |
3121 | fprintf (stderr, "relax region 0x%x to 0x%x align pad %d\n", | |
3122 | addr, toaddr, align_pad_size); | |
3123 | #endif | |
3124 | if (irelalign) | |
3125 | { | |
3126 | bfd_vma alignto; | |
3127 | bfd_vma alignmoveto; | |
3128 | ||
3129 | alignmoveto = BFD_ALIGN (addr - align_pad_size, 1 << irelalign->r_addend); | |
3130 | alignto = BFD_ALIGN (addr, 1 << irelalign->r_addend); | |
3131 | ||
3132 | if (alignmoveto < alignto) | |
3133 | { | |
3134 | unsigned int i; | |
3135 | ||
3136 | align_pad_size = alignto - alignmoveto; | |
3137 | #ifdef DEBUG_RELAX | |
3138 | fprintf (stderr, "relax move region 0x%x to 0x%x delete size 0x%x\n", | |
3139 | alignmoveto, toaddr, align_pad_size); | |
3140 | #endif | |
3141 | if (!v850_elf_relax_delete_bytes (abfd, sec, alignmoveto, | |
3142 | toaddr, align_pad_size)) | |
b34976b6 | 3143 | goto error_return; |
86aba9db NC |
3144 | |
3145 | for (i = BFD_ALIGN (toaddr - align_pad_size, 1); | |
3146 | (i + 1) < toaddr; i += 2) | |
3147 | bfd_put_16 (abfd, NOP_OPCODE, contents + i); | |
3148 | ||
3149 | addr = alignmoveto; | |
3150 | } | |
3151 | else | |
3152 | align_pad_size = 0; | |
3153 | } | |
3154 | ||
3155 | for (irel = internal_relocs; irel < irelend; irel++) | |
3156 | { | |
b34976b6 AM |
3157 | bfd_vma laddr; |
3158 | bfd_vma addend; | |
3159 | bfd_vma symval; | |
3160 | int insn[5]; | |
3161 | int no_match = -1; | |
3162 | Elf_Internal_Rela *hi_irelfn; | |
3163 | Elf_Internal_Rela *lo_irelfn; | |
3164 | Elf_Internal_Rela *irelcall; | |
3165 | bfd_signed_vma foff; | |
de863c74 | 3166 | unsigned int r_type; |
86aba9db NC |
3167 | |
3168 | if (! (irel->r_offset >= addr && irel->r_offset < toaddr | |
3169 | && (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL | |
3170 | || ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP))) | |
3171 | continue; | |
3172 | ||
3173 | #ifdef DEBUG_RELAX | |
3174 | fprintf (stderr, "relax check r_info 0x%x r_offset 0x%x r_addend 0x%x\n", | |
3175 | irel->r_info, | |
3176 | irel->r_offset, | |
3177 | irel->r_addend ); | |
3178 | #endif | |
3179 | ||
3180 | /* Get the section contents. */ | |
3181 | if (contents == NULL) | |
3182 | { | |
3183 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
3184 | contents = elf_section_data (sec)->this_hdr.contents; | |
3185 | else | |
3186 | { | |
47b0e7ad | 3187 | if (! bfd_malloc_and_get_section (abfd, sec, &contents)) |
86aba9db NC |
3188 | goto error_return; |
3189 | } | |
3190 | } | |
3191 | ||
5cec6941 NC |
3192 | /* Read this BFD's local symbols if we haven't done so already. */ |
3193 | if (isymbuf == NULL && symtab_hdr->sh_info != 0) | |
86aba9db | 3194 | { |
5cec6941 NC |
3195 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
3196 | if (isymbuf == NULL) | |
3197 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
3198 | symtab_hdr->sh_info, 0, | |
3199 | NULL, NULL, NULL); | |
3200 | if (isymbuf == NULL) | |
3201 | goto error_return; | |
86aba9db NC |
3202 | } |
3203 | ||
3204 | laddr = irel->r_offset; | |
3205 | ||
3206 | if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL) | |
3207 | { | |
3208 | /* Check code for -mlong-calls output. */ | |
eea6121a | 3209 | if (laddr + 16 <= (bfd_vma) sec->size) |
86aba9db NC |
3210 | { |
3211 | insn[0] = bfd_get_16 (abfd, contents + laddr); | |
3212 | insn[1] = bfd_get_16 (abfd, contents + laddr + 4); | |
3213 | insn[2] = bfd_get_32 (abfd, contents + laddr + 8); | |
3214 | insn[3] = bfd_get_16 (abfd, contents + laddr + 12); | |
3215 | insn[4] = bfd_get_16 (abfd, contents + laddr + 14); | |
b34976b6 | 3216 | |
86aba9db NC |
3217 | if ((insn[0] & MOVHI_MASK) != MOVHI |
3218 | || MOVHI_R1 (insn[0]) != 0) | |
3219 | no_match = 0; | |
3220 | ||
3221 | if (no_match < 0 | |
3222 | && ((insn[1] & MOVEA_MASK) != MOVEA | |
3223 | || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1]))) | |
3224 | no_match = 1; | |
3225 | ||
3226 | if (no_match < 0 | |
3227 | && (insn[2] & JARL_4_MASK) != JARL_4) | |
3228 | no_match = 2; | |
3229 | ||
3230 | if (no_match < 0 | |
3231 | && ((insn[3] & ADD_I_MASK) != ADD_I | |
3232 | || ADD_I5 (insn[3]) != 4 | |
3233 | || JARL_R2 (insn[2]) != ADD_R2 (insn[3]))) | |
3234 | no_match = 3; | |
3235 | ||
3236 | if (no_match < 0 | |
3237 | && ((insn[4] & JMP_R_MASK) != JMP_R | |
3238 | || MOVEA_R2 (insn[1]) != JMP_R1 (insn[4]))) | |
3239 | no_match = 4; | |
3240 | } | |
3241 | else | |
3242 | { | |
3243 | ((*_bfd_error_handler) | |
3244 | ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insns", | |
3245 | bfd_get_filename (abfd), (unsigned long) irel->r_offset)); | |
3246 | ||
3247 | continue; | |
3248 | } | |
3249 | ||
3250 | if (no_match >= 0) | |
3251 | { | |
3252 | ((*_bfd_error_handler) | |
3253 | ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insn 0x%x", | |
3254 | bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match])); | |
3255 | ||
3256 | continue; | |
b34976b6 | 3257 | } |
86aba9db NC |
3258 | |
3259 | /* Get the reloc for the address from which the register is | |
3260 | being loaded. This reloc will tell us which function is | |
3261 | actually being called. */ | |
68ffbac6 | 3262 | |
86aba9db | 3263 | for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++) |
de863c74 NC |
3264 | { |
3265 | r_type = ELF32_R_TYPE (hi_irelfn->r_info); | |
3266 | ||
3267 | if (hi_irelfn->r_offset == laddr + 2 | |
3268 | && (r_type == (int) R_V850_HI16_S || r_type == (int) R_V810_WHI1)) | |
3269 | break; | |
3270 | } | |
86aba9db NC |
3271 | |
3272 | for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++) | |
de863c74 NC |
3273 | { |
3274 | r_type = ELF32_R_TYPE (lo_irelfn->r_info); | |
3275 | ||
3276 | if (lo_irelfn->r_offset == laddr + 6 | |
3277 | && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO)) | |
3278 | break; | |
3279 | } | |
86aba9db NC |
3280 | |
3281 | for (irelcall = internal_relocs; irelcall < irelend; irelcall ++) | |
de863c74 NC |
3282 | { |
3283 | r_type = ELF32_R_TYPE (irelcall->r_info); | |
3284 | ||
3285 | if (irelcall->r_offset == laddr + 8 | |
3286 | && (r_type == (int) R_V850_22_PCREL || r_type == (int) R_V850_PCR22)) | |
3287 | break; | |
3288 | } | |
86aba9db NC |
3289 | |
3290 | if ( hi_irelfn == irelend | |
3291 | || lo_irelfn == irelend | |
3292 | || irelcall == irelend) | |
3293 | { | |
3294 | ((*_bfd_error_handler) | |
3295 | ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc", | |
3296 | bfd_get_filename (abfd), (unsigned long) irel->r_offset )); | |
3297 | ||
3298 | continue; | |
3299 | } | |
b34976b6 | 3300 | |
86aba9db NC |
3301 | if (ELF32_R_SYM (irelcall->r_info) < symtab_hdr->sh_info) |
3302 | { | |
5cec6941 | 3303 | Elf_Internal_Sym * isym; |
86aba9db NC |
3304 | |
3305 | /* A local symbol. */ | |
5cec6941 | 3306 | isym = isymbuf + ELF32_R_SYM (irelcall->r_info); |
86aba9db | 3307 | |
5cec6941 | 3308 | symval = isym->st_value; |
86aba9db NC |
3309 | } |
3310 | else | |
3311 | { | |
3312 | unsigned long indx; | |
3313 | struct elf_link_hash_entry * h; | |
3314 | ||
3315 | /* An external symbol. */ | |
3316 | indx = ELF32_R_SYM (irelcall->r_info) - symtab_hdr->sh_info; | |
3317 | h = elf_sym_hashes (abfd)[indx]; | |
3318 | BFD_ASSERT (h != NULL); | |
3319 | ||
3320 | if ( h->root.type != bfd_link_hash_defined | |
3321 | && h->root.type != bfd_link_hash_defweak) | |
3322 | /* This appears to be a reference to an undefined | |
3323 | symbol. Just ignore it--it will be caught by the | |
3324 | regular reloc processing. */ | |
3325 | continue; | |
3326 | ||
3327 | symval = h->root.u.def.value; | |
3328 | } | |
3329 | ||
3330 | if (symval + irelcall->r_addend != irelcall->r_offset + 4) | |
3331 | { | |
3332 | ((*_bfd_error_handler) | |
3333 | ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc 0x%lx", | |
3334 | bfd_get_filename (abfd), (unsigned long) irel->r_offset, irelcall->r_offset )); | |
3335 | ||
3336 | continue; | |
3337 | } | |
3338 | ||
3339 | /* Get the value of the symbol referred to by the reloc. */ | |
3340 | if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info) | |
3341 | { | |
b34976b6 AM |
3342 | Elf_Internal_Sym *isym; |
3343 | asection *sym_sec; | |
86aba9db NC |
3344 | |
3345 | /* A local symbol. */ | |
5cec6941 | 3346 | isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info); |
b34976b6 | 3347 | |
5cec6941 | 3348 | if (isym->st_shndx == SHN_UNDEF) |
86aba9db | 3349 | sym_sec = bfd_und_section_ptr; |
5cec6941 | 3350 | else if (isym->st_shndx == SHN_ABS) |
86aba9db | 3351 | sym_sec = bfd_abs_section_ptr; |
5cec6941 | 3352 | else if (isym->st_shndx == SHN_COMMON) |
86aba9db NC |
3353 | sym_sec = bfd_com_section_ptr; |
3354 | else | |
5cec6941 NC |
3355 | sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx); |
3356 | symval = (isym->st_value | |
86aba9db NC |
3357 | + sym_sec->output_section->vma |
3358 | + sym_sec->output_offset); | |
3359 | } | |
3360 | else | |
3361 | { | |
3362 | unsigned long indx; | |
b34976b6 | 3363 | struct elf_link_hash_entry *h; |
86aba9db NC |
3364 | |
3365 | /* An external symbol. */ | |
5cec6941 | 3366 | indx = ELF32_R_SYM (hi_irelfn->r_info) - symtab_hdr->sh_info; |
86aba9db NC |
3367 | h = elf_sym_hashes (abfd)[indx]; |
3368 | BFD_ASSERT (h != NULL); | |
3369 | ||
3370 | if ( h->root.type != bfd_link_hash_defined | |
3371 | && h->root.type != bfd_link_hash_defweak) | |
3372 | /* This appears to be a reference to an undefined | |
3373 | symbol. Just ignore it--it will be caught by the | |
3374 | regular reloc processing. */ | |
3375 | continue; | |
3376 | ||
3377 | symval = (h->root.u.def.value | |
3378 | + h->root.u.def.section->output_section->vma | |
3379 | + h->root.u.def.section->output_offset); | |
3380 | } | |
3381 | ||
3382 | addend = irel->r_addend; | |
3383 | ||
3384 | foff = (symval + addend | |
3385 | - (irel->r_offset | |
3386 | + sec->output_section->vma | |
3387 | + sec->output_offset | |
3388 | + 4)); | |
3389 | #ifdef DEBUG_RELAX | |
3390 | fprintf (stderr, "relax longcall r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n", | |
3391 | irel->r_offset, | |
3392 | (irel->r_offset | |
3393 | + sec->output_section->vma | |
3394 | + sec->output_offset), | |
3395 | symval, addend, foff); | |
3396 | #endif | |
3397 | ||
3398 | if (foff < -0x100000 || foff >= 0x100000) | |
3399 | /* After all that work, we can't shorten this function call. */ | |
3400 | continue; | |
3401 | ||
3402 | /* For simplicity of coding, we are going to modify the section | |
3403 | contents, the section relocs, and the BFD symbol table. We | |
3404 | must tell the rest of the code not to free up this | |
3405 | information. It would be possible to instead create a table | |
3406 | of changes which have to be made, as is done in coff-mips.c; | |
3407 | that would be more work, but would require less memory when | |
3408 | the linker is run. */ | |
3409 | elf_section_data (sec)->relocs = internal_relocs; | |
86aba9db | 3410 | elf_section_data (sec)->this_hdr.contents = contents; |
5cec6941 | 3411 | symtab_hdr->contents = (bfd_byte *) isymbuf; |
b34976b6 | 3412 | |
86aba9db | 3413 | /* Replace the long call with a jarl. */ |
de863c74 NC |
3414 | if (bfd_get_arch (abfd) == bfd_arch_v850_rh850) |
3415 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_PCR22); | |
3416 | else | |
3417 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_22_PCREL); | |
86aba9db NC |
3418 | |
3419 | addend = 0; | |
3420 | ||
3421 | if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info) | |
3422 | /* If this needs to be changed because of future relaxing, | |
3423 | it will be handled here like other internal IND12W | |
3424 | relocs. */ | |
3425 | bfd_put_32 (abfd, | |
3426 | 0x00000780 | (JARL_R2 (insn[2])<<11) | ((addend << 16) & 0xffff) | ((addend >> 16) & 0xf), | |
3427 | contents + irel->r_offset); | |
3428 | else | |
3429 | /* We can't fully resolve this yet, because the external | |
3430 | symbol value may be changed by future relaxing. | |
3431 | We let the final link phase handle it. */ | |
3432 | bfd_put_32 (abfd, 0x00000780 | (JARL_R2 (insn[2])<<11), | |
3433 | contents + irel->r_offset); | |
3434 | ||
b34976b6 | 3435 | hi_irelfn->r_info = |
86aba9db NC |
3436 | ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE); |
3437 | lo_irelfn->r_info = | |
3438 | ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE); | |
3439 | irelcall->r_info = | |
3440 | ELF32_R_INFO (ELF32_R_SYM (irelcall->r_info), R_V850_NONE); | |
3441 | ||
3442 | if (! v850_elf_relax_delete_bytes (abfd, sec, | |
3443 | irel->r_offset + 4, toaddr, 12)) | |
3444 | goto error_return; | |
3445 | ||
3446 | align_pad_size += 12; | |
3447 | } | |
3448 | else if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP) | |
3449 | { | |
3450 | /* Check code for -mlong-jumps output. */ | |
eea6121a | 3451 | if (laddr + 10 <= (bfd_vma) sec->size) |
86aba9db NC |
3452 | { |
3453 | insn[0] = bfd_get_16 (abfd, contents + laddr); | |
3454 | insn[1] = bfd_get_16 (abfd, contents + laddr + 4); | |
3455 | insn[2] = bfd_get_16 (abfd, contents + laddr + 8); | |
3456 | ||
3457 | if ((insn[0] & MOVHI_MASK) != MOVHI | |
3458 | || MOVHI_R1 (insn[0]) != 0) | |
3459 | no_match = 0; | |
3460 | ||
3461 | if (no_match < 0 | |
3462 | && ((insn[1] & MOVEA_MASK) != MOVEA | |
3463 | || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1]))) | |
3464 | no_match = 1; | |
3465 | ||
3466 | if (no_match < 0 | |
3467 | && ((insn[2] & JMP_R_MASK) != JMP_R | |
3468 | || MOVEA_R2 (insn[1]) != JMP_R1 (insn[2]))) | |
3469 | no_match = 4; | |
3470 | } | |
3471 | else | |
3472 | { | |
3473 | ((*_bfd_error_handler) | |
3474 | ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insns", | |
3475 | bfd_get_filename (abfd), (unsigned long) irel->r_offset)); | |
3476 | ||
3477 | continue; | |
3478 | } | |
3479 | ||
3480 | if (no_match >= 0) | |
3481 | { | |
3482 | ((*_bfd_error_handler) | |
3483 | ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insn 0x%x", | |
3484 | bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match])); | |
3485 | ||
3486 | continue; | |
3487 | } | |
3488 | ||
3489 | /* Get the reloc for the address from which the register is | |
3490 | being loaded. This reloc will tell us which function is | |
3491 | actually being called. */ | |
3492 | for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++) | |
de863c74 NC |
3493 | { |
3494 | r_type = ELF32_R_TYPE (hi_irelfn->r_info); | |
3495 | ||
3496 | if (hi_irelfn->r_offset == laddr + 2 | |
3497 | && ((r_type == (int) R_V850_HI16_S) || r_type == (int) R_V810_WHI1)) | |
3498 | break; | |
3499 | } | |
86aba9db NC |
3500 | |
3501 | for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++) | |
de863c74 NC |
3502 | { |
3503 | r_type = ELF32_R_TYPE (lo_irelfn->r_info); | |
3504 | ||
3505 | if (lo_irelfn->r_offset == laddr + 6 | |
3506 | && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO)) | |
3507 | break; | |
3508 | } | |
86aba9db NC |
3509 | |
3510 | if ( hi_irelfn == irelend | |
3511 | || lo_irelfn == irelend) | |
3512 | { | |
3513 | ((*_bfd_error_handler) | |
3514 | ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized reloc", | |
3515 | bfd_get_filename (abfd), (unsigned long) irel->r_offset )); | |
3516 | ||
3517 | continue; | |
3518 | } | |
b34976b6 | 3519 | |
86aba9db NC |
3520 | /* Get the value of the symbol referred to by the reloc. */ |
3521 | if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info) | |
3522 | { | |
5cec6941 NC |
3523 | Elf_Internal_Sym * isym; |
3524 | asection * sym_sec; | |
86aba9db NC |
3525 | |
3526 | /* A local symbol. */ | |
5cec6941 NC |
3527 | isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info); |
3528 | ||
3529 | if (isym->st_shndx == SHN_UNDEF) | |
86aba9db | 3530 | sym_sec = bfd_und_section_ptr; |
5cec6941 | 3531 | else if (isym->st_shndx == SHN_ABS) |
86aba9db | 3532 | sym_sec = bfd_abs_section_ptr; |
5cec6941 | 3533 | else if (isym->st_shndx == SHN_COMMON) |
86aba9db NC |
3534 | sym_sec = bfd_com_section_ptr; |
3535 | else | |
5cec6941 NC |
3536 | sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx); |
3537 | symval = (isym->st_value | |
86aba9db NC |
3538 | + sym_sec->output_section->vma |
3539 | + sym_sec->output_offset); | |
3540 | #ifdef DEBUG_RELAX | |
3541 | { | |
3542 | char * name = bfd_elf_string_from_elf_section | |
5cec6941 | 3543 | (abfd, symtab_hdr->sh_link, isym->st_name); |
86aba9db NC |
3544 | |
3545 | fprintf (stderr, "relax long jump local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n", | |
5cec6941 NC |
3546 | sym_sec->name, name, isym->st_name, |
3547 | sym_sec->output_section->vma, | |
3548 | sym_sec->output_offset, | |
3549 | isym->st_value, irel->r_addend); | |
86aba9db NC |
3550 | } |
3551 | #endif | |
3552 | } | |
3553 | else | |
3554 | { | |
3555 | unsigned long indx; | |
3556 | struct elf_link_hash_entry * h; | |
3557 | ||
3558 | /* An external symbol. */ | |
3559 | indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info; | |
3560 | h = elf_sym_hashes (abfd)[indx]; | |
3561 | BFD_ASSERT (h != NULL); | |
3562 | ||
3563 | if ( h->root.type != bfd_link_hash_defined | |
3564 | && h->root.type != bfd_link_hash_defweak) | |
3565 | /* This appears to be a reference to an undefined | |
3566 | symbol. Just ignore it--it will be caught by the | |
3567 | regular reloc processing. */ | |
3568 | continue; | |
3569 | ||
3570 | symval = (h->root.u.def.value | |
3571 | + h->root.u.def.section->output_section->vma | |
3572 | + h->root.u.def.section->output_offset); | |
3573 | #ifdef DEBUG_RELAX | |
3574 | fprintf (stderr, | |
3575 | "relax longjump defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n", | |
3576 | sec->name, h->root.root.string, h->root.u.def.value, | |
3577 | sec->output_section->vma, sec->output_offset, irel->r_addend); | |
3578 | #endif | |
3579 | } | |
3580 | ||
3581 | addend = irel->r_addend; | |
3582 | ||
3583 | foff = (symval + addend | |
3584 | - (irel->r_offset | |
3585 | + sec->output_section->vma | |
3586 | + sec->output_offset | |
3587 | + 4)); | |
3588 | #ifdef DEBUG_RELAX | |
3589 | fprintf (stderr, "relax longjump r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n", | |
3590 | irel->r_offset, | |
3591 | (irel->r_offset | |
3592 | + sec->output_section->vma | |
3593 | + sec->output_offset), | |
3594 | symval, addend, foff); | |
3595 | #endif | |
3596 | if (foff < -0x100000 || foff >= 0x100000) | |
3597 | /* After all that work, we can't shorten this function call. */ | |
3598 | continue; | |
3599 | ||
3600 | /* For simplicity of coding, we are going to modify the section | |
3601 | contents, the section relocs, and the BFD symbol table. We | |
3602 | must tell the rest of the code not to free up this | |
3603 | information. It would be possible to instead create a table | |
3604 | of changes which have to be made, as is done in coff-mips.c; | |
3605 | that would be more work, but would require less memory when | |
3606 | the linker is run. */ | |
3607 | elf_section_data (sec)->relocs = internal_relocs; | |
86aba9db | 3608 | elf_section_data (sec)->this_hdr.contents = contents; |
5cec6941 | 3609 | symtab_hdr->contents = (bfd_byte *) isymbuf; |
86aba9db NC |
3610 | |
3611 | if (foff < -0x100 || foff >= 0x100) | |
3612 | { | |
3613 | /* Replace the long jump with a jr. */ | |
3614 | ||
de863c74 NC |
3615 | if (bfd_get_arch (abfd) == bfd_arch_v850_rh850) |
3616 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PCR22); | |
3617 | else | |
3618 | irel->r_info = | |
3619 | ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_22_PCREL); | |
b34976b6 | 3620 | |
86aba9db NC |
3621 | irel->r_addend = addend; |
3622 | addend = 0; | |
3623 | ||
3624 | if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info) | |
3625 | /* If this needs to be changed because of future relaxing, | |
3626 | it will be handled here like other internal IND12W | |
3627 | relocs. */ | |
3628 | bfd_put_32 (abfd, | |
3629 | 0x00000780 | ((addend << 15) & 0xffff0000) | ((addend >> 17) & 0xf), | |
3630 | contents + irel->r_offset); | |
3631 | else | |
3632 | /* We can't fully resolve this yet, because the external | |
3633 | symbol value may be changed by future relaxing. | |
3634 | We let the final link phase handle it. */ | |
3635 | bfd_put_32 (abfd, 0x00000780, contents + irel->r_offset); | |
3636 | ||
3637 | hi_irelfn->r_info = | |
3638 | ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE); | |
3639 | lo_irelfn->r_info = | |
3640 | ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE); | |
3641 | if (!v850_elf_relax_delete_bytes (abfd, sec, | |
3642 | irel->r_offset + 4, toaddr, 6)) | |
3643 | goto error_return; | |
3644 | ||
3645 | align_pad_size += 6; | |
3646 | } | |
3647 | else | |
3648 | { | |
3649 | /* Replace the long jump with a br. */ | |
3650 | ||
de863c74 NC |
3651 | if (bfd_get_arch (abfd) == bfd_arch_v850_rh850) |
3652 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PC9); | |
3653 | else | |
3654 | irel->r_info = | |
3655 | ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_9_PCREL); | |
86aba9db NC |
3656 | |
3657 | irel->r_addend = addend; | |
3658 | addend = 0; | |
3659 | ||
3660 | if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info) | |
3661 | /* If this needs to be changed because of future relaxing, | |
3662 | it will be handled here like other internal IND12W | |
3663 | relocs. */ | |
3664 | bfd_put_16 (abfd, | |
3665 | 0x0585 | ((addend << 10) & 0xf800) | ((addend << 3) & 0x0070), | |
3666 | contents + irel->r_offset); | |
3667 | else | |
3668 | /* We can't fully resolve this yet, because the external | |
3669 | symbol value may be changed by future relaxing. | |
3670 | We let the final link phase handle it. */ | |
3671 | bfd_put_16 (abfd, 0x0585, contents + irel->r_offset); | |
3672 | ||
3673 | hi_irelfn->r_info = | |
3674 | ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE); | |
3675 | lo_irelfn->r_info = | |
3676 | ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE); | |
3677 | if (!v850_elf_relax_delete_bytes (abfd, sec, | |
3678 | irel->r_offset + 2, toaddr, 8)) | |
3679 | goto error_return; | |
3680 | ||
3681 | align_pad_size += 8; | |
3682 | } | |
3683 | } | |
3684 | } | |
3685 | ||
3686 | irelalign = NULL; | |
3687 | for (irel = internal_relocs; irel < irelend; irel++) | |
3688 | { | |
3689 | if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN | |
3690 | && irel->r_offset == toaddr) | |
3691 | { | |
3692 | irel->r_offset -= align_pad_size; | |
3693 | ||
3694 | if (irelalign == NULL || irelalign->r_addend > irel->r_addend) | |
3695 | irelalign = irel; | |
3696 | } | |
3697 | } | |
3698 | ||
3699 | addr = toaddr; | |
3700 | } | |
3701 | ||
3702 | if (!irelalign) | |
3703 | { | |
3704 | #ifdef DEBUG_RELAX | |
3705 | fprintf (stderr, "relax pad %d shorten %d -> %d\n", | |
3706 | align_pad_size, | |
eea6121a AM |
3707 | sec->size, |
3708 | sec->size - align_pad_size); | |
86aba9db | 3709 | #endif |
eea6121a | 3710 | sec->size -= align_pad_size; |
86aba9db NC |
3711 | } |
3712 | ||
5cec6941 NC |
3713 | finish: |
3714 | if (internal_relocs != NULL | |
3715 | && elf_section_data (sec)->relocs != internal_relocs) | |
3716 | free (internal_relocs); | |
86aba9db | 3717 | |
5cec6941 NC |
3718 | if (contents != NULL |
3719 | && elf_section_data (sec)->this_hdr.contents != (unsigned char *) contents) | |
3720 | free (contents); | |
86aba9db | 3721 | |
5cec6941 NC |
3722 | if (isymbuf != NULL |
3723 | && symtab_hdr->contents != (bfd_byte *) isymbuf) | |
3724 | free (isymbuf); | |
86aba9db | 3725 | |
5cec6941 | 3726 | return result; |
86aba9db | 3727 | |
5cec6941 | 3728 | error_return: |
b34976b6 | 3729 | result = FALSE; |
5cec6941 | 3730 | goto finish; |
86aba9db | 3731 | } |
2f89ff8d | 3732 | |
b35d266b | 3733 | static const struct bfd_elf_special_section v850_elf_special_sections[] = |
7f4d3958 | 3734 | { |
0112cd26 NC |
3735 | { STRING_COMMA_LEN (".call_table_data"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE) }, |
3736 | { STRING_COMMA_LEN (".call_table_text"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE | |
3737 | + SHF_EXECINSTR) }, | |
3738 | { STRING_COMMA_LEN (".rosdata"), -2, SHT_PROGBITS, (SHF_ALLOC | |
3739 | + SHF_V850_GPREL) }, | |
3740 | { STRING_COMMA_LEN (".rozdata"), -2, SHT_PROGBITS, (SHF_ALLOC | |
3741 | + SHF_V850_R0REL) }, | |
3742 | { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE | |
3743 | + SHF_V850_GPREL) }, | |
3744 | { STRING_COMMA_LEN (".scommon"), -2, SHT_V850_SCOMMON, (SHF_ALLOC + SHF_WRITE | |
3745 | + SHF_V850_GPREL) }, | |
3746 | { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE | |
3747 | + SHF_V850_GPREL) }, | |
3748 | { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE | |
3749 | + SHF_V850_EPREL) }, | |
3750 | { STRING_COMMA_LEN (".tcommon"), -2, SHT_V850_TCOMMON, (SHF_ALLOC + SHF_WRITE | |
3751 | + SHF_V850_R0REL) }, | |
3752 | { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE | |
3753 | + SHF_V850_EPREL) }, | |
3754 | { STRING_COMMA_LEN (".zbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE | |
3755 | + SHF_V850_R0REL) }, | |
3756 | { STRING_COMMA_LEN (".zcommon"), -2, SHT_V850_ZCOMMON, (SHF_ALLOC + SHF_WRITE | |
3757 | + SHF_V850_R0REL) }, | |
3758 | { STRING_COMMA_LEN (".zdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE | |
3759 | + SHF_V850_R0REL) }, | |
3760 | { NULL, 0, 0, 0, 0 } | |
7f4d3958 | 3761 | }; |
252b5132 RH |
3762 | \f |
3763 | #define TARGET_LITTLE_SYM bfd_elf32_v850_vec | |
3764 | #define TARGET_LITTLE_NAME "elf32-v850" | |
3765 | #define ELF_ARCH bfd_arch_v850 | |
aa4f99bb AO |
3766 | #define ELF_MACHINE_CODE EM_V850 |
3767 | #define ELF_MACHINE_ALT1 EM_CYGNUS_V850 | |
252b5132 | 3768 | #define ELF_MAXPAGESIZE 0x1000 |
435b1e90 | 3769 | |
252b5132 RH |
3770 | #define elf_info_to_howto v850_elf_info_to_howto_rela |
3771 | #define elf_info_to_howto_rel v850_elf_info_to_howto_rel | |
3772 | ||
3773 | #define elf_backend_check_relocs v850_elf_check_relocs | |
3774 | #define elf_backend_relocate_section v850_elf_relocate_section | |
3775 | #define elf_backend_object_p v850_elf_object_p | |
3776 | #define elf_backend_final_write_processing v850_elf_final_write_processing | |
3777 | #define elf_backend_section_from_bfd_section v850_elf_section_from_bfd_section | |
3778 | #define elf_backend_symbol_processing v850_elf_symbol_processing | |
3779 | #define elf_backend_add_symbol_hook v850_elf_add_symbol_hook | |
3780 | #define elf_backend_link_output_symbol_hook v850_elf_link_output_symbol_hook | |
3781 | #define elf_backend_section_from_shdr v850_elf_section_from_shdr | |
3782 | #define elf_backend_fake_sections v850_elf_fake_sections | |
3783 | #define elf_backend_gc_mark_hook v850_elf_gc_mark_hook | |
29ef7005 | 3784 | #define elf_backend_special_sections v850_elf_special_sections |
252b5132 RH |
3785 | |
3786 | #define elf_backend_can_gc_sections 1 | |
f0fe0e16 | 3787 | #define elf_backend_rela_normal 1 |
252b5132 | 3788 | |
252b5132 RH |
3789 | #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name |
3790 | #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup | |
de863c74 | 3791 | #define bfd_elf32_bfd_reloc_name_lookup v850_elf_reloc_name_lookup |
252b5132 RH |
3792 | #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data |
3793 | #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags | |
3794 | #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data | |
86aba9db | 3795 | #define bfd_elf32_bfd_relax_section v850_elf_relax_section |
252b5132 RH |
3796 | |
3797 | #define elf_symbol_leading_char '_' | |
3798 | ||
de863c74 NC |
3799 | #undef elf32_bed |
3800 | #define elf32_bed elf32_v850_bed | |
3801 | ||
3802 | #include "elf32-target.h" | |
3803 | ||
3804 | /* Map BFD reloc types to V800 ELF reloc types. */ | |
3805 | ||
3806 | static const struct v850_elf_reloc_map v800_elf_reloc_map[] = | |
3807 | { | |
3808 | { BFD_RELOC_NONE, R_V810_NONE }, | |
3809 | { BFD_RELOC_8, R_V810_BYTE }, | |
3810 | { BFD_RELOC_16, R_V810_HWORD }, | |
3811 | { BFD_RELOC_32, R_V810_WORD }, | |
3812 | { BFD_RELOC_LO16, R_V810_WLO }, | |
3813 | { BFD_RELOC_HI16, R_V810_WHI }, | |
3814 | { BFD_RELOC_HI16_S, R_V810_WHI1 }, | |
3815 | { BFD_RELOC_V850_32_PCREL, R_V850_PC32 }, | |
3816 | { BFD_RELOC_V850_22_PCREL, R_V850_PCR22 }, | |
3817 | { BFD_RELOC_V850_17_PCREL, R_V850_PC17 }, | |
3818 | { BFD_RELOC_V850_16_PCREL, R_V850_PC16U }, | |
3819 | { BFD_RELOC_V850_9_PCREL, R_V850_PC9 }, | |
3820 | { BFD_RELOC_V850_LO16_S1, R_V810_WLO_1 }, /* Or R_V850_HWLO or R_V850_HWLO_1. */ | |
3821 | { BFD_RELOC_V850_23, R_V850_WLO23 }, | |
3822 | { BFD_RELOC_V850_LO16_SPLIT_OFFSET, R_V850_BLO }, | |
3823 | { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V810_HWORD }, | |
3824 | { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V810_HWORD }, | |
3825 | { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V810_HWORD }, | |
3826 | { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V810_GPWLO_1 } | |
3827 | }; | |
3828 | ||
3829 | /* Map a bfd relocation into the appropriate howto structure. */ | |
3830 | ||
3831 | static reloc_howto_type * | |
3832 | v800_elf_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code) | |
3833 | { | |
3834 | unsigned int i; | |
3835 | ||
3836 | BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850); | |
3837 | ||
3838 | for (i = ARRAY_SIZE (v800_elf_reloc_map); i --;) | |
3839 | if (v800_elf_reloc_map[i].bfd_reloc_val == code) | |
3840 | { | |
3841 | unsigned int elf_reloc_val = v800_elf_reloc_map[i].elf_reloc_val; | |
3842 | unsigned int idx = elf_reloc_val - R_V810_NONE; | |
3843 | ||
3844 | BFD_ASSERT (v800_elf_howto_table[idx].type == elf_reloc_val); | |
3845 | ||
3846 | return v800_elf_howto_table + idx; | |
3847 | } | |
3848 | ||
3849 | #ifdef DEBUG | |
3850 | fprintf (stderr, "failed to find v800 equiv of bfd reloc code %d\n", code); | |
3851 | #endif | |
3852 | return NULL; | |
3853 | } | |
3854 | ||
3855 | static reloc_howto_type * | |
3856 | v800_elf_reloc_name_lookup (bfd * abfd, const char * r_name) | |
3857 | { | |
3858 | unsigned int i; | |
3859 | ||
3860 | BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850); | |
3861 | ||
3862 | for (i = ARRAY_SIZE (v800_elf_howto_table); i--;) | |
3863 | if (v800_elf_howto_table[i].name != NULL | |
3864 | && strcasecmp (v800_elf_howto_table[i].name, r_name) == 0) | |
3865 | return v800_elf_howto_table + i; | |
3866 | ||
3867 | return NULL; | |
3868 | } | |
3869 | ||
3870 | ||
3871 | /* Set the howto pointer in CACHE_PTR for a V800 ELF reloc. */ | |
3872 | ||
3873 | static void | |
3874 | v800_elf_info_to_howto (bfd * abfd, | |
3875 | arelent * cache_ptr, | |
3876 | Elf_Internal_Rela * dst) | |
3877 | { | |
3878 | unsigned int r_type = ELF32_R_TYPE (dst->r_info); | |
3879 | ||
3880 | BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850); | |
3881 | ||
3882 | BFD_ASSERT (r_type < (unsigned int) R_V800_max); | |
3883 | ||
3884 | if (r_type == R_V800_NONE) | |
3885 | r_type = R_V810_NONE; | |
3886 | ||
3887 | BFD_ASSERT (r_type >= (unsigned int) R_V810_NONE); | |
3888 | r_type -= R_V810_NONE; | |
3889 | BFD_ASSERT (r_type < ARRAY_SIZE (v800_elf_howto_table)); | |
3890 | ||
68ffbac6 | 3891 | cache_ptr->howto = v800_elf_howto_table + r_type; |
de863c74 NC |
3892 | } |
3893 | \f | |
3894 | ||
3895 | #undef TARGET_LITTLE_SYM | |
3896 | #define TARGET_LITTLE_SYM bfd_elf32_v850_rh850_vec | |
3897 | #undef TARGET_LITTLE_NAME | |
3898 | #define TARGET_LITTLE_NAME "elf32-v850-rh850" | |
3899 | #undef ELF_ARCH | |
3900 | #define ELF_ARCH bfd_arch_v850_rh850 | |
3901 | #undef ELF_MACHINE_CODE | |
3902 | #define ELF_MACHINE_CODE EM_V800 | |
3903 | #undef ELF_MACHINE_ALT1 | |
3904 | ||
3905 | #undef elf32_bed | |
3906 | #define elf32_bed elf32_v850_rh850_bed | |
3907 | ||
3908 | #undef elf_info_to_howto | |
3909 | #define elf_info_to_howto v800_elf_info_to_howto | |
3910 | #undef elf_info_to_howto_rel | |
3911 | #define elf_info_to_howto_rel NULL | |
3912 | #undef bfd_elf32_bfd_reloc_type_lookup | |
3913 | #define bfd_elf32_bfd_reloc_type_lookup v800_elf_reloc_type_lookup | |
3914 | #undef bfd_elf32_bfd_reloc_name_lookup | |
3915 | #define bfd_elf32_bfd_reloc_name_lookup v800_elf_reloc_name_lookup | |
3916 | ||
252b5132 | 3917 | #include "elf32-target.h" |