Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for AMD 29000 COFF binaries. |
7898deda | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001 |
5f771d47 | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Contributed by David Wood at New York University 7/8/91. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #define A29K 1 | |
23 | ||
24 | #include "bfd.h" | |
25 | #include "sysdep.h" | |
26 | #include "libbfd.h" | |
27 | #include "coff/a29k.h" | |
28 | #include "coff/internal.h" | |
29 | #include "libcoff.h" | |
30 | ||
31 | static long get_symbol_value PARAMS ((asymbol *)); | |
32 | static bfd_reloc_status_type a29k_reloc | |
33 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
34 | static boolean coff_a29k_relocate_section | |
35 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, | |
36 | struct internal_reloc *, struct internal_syment *, asection **)); | |
37 | static boolean coff_a29k_adjust_symndx | |
38 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, | |
39 | struct internal_reloc *, boolean *)); | |
40 | ||
41 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2) | |
42 | ||
43 | #define INSERT_HWORD(WORD,HWORD) \ | |
44 | (((WORD) & 0xff00ff00) | (((HWORD) & 0xff00) << 8) | ((HWORD)& 0xff)) | |
45 | #define EXTRACT_HWORD(WORD) \ | |
fc633e5b | 46 | ((((WORD) & 0x00ff0000) >> 8) | ((WORD) & 0xff)) |
252b5132 | 47 | #define SIGN_EXTEND_HWORD(HWORD) \ |
fc633e5b | 48 | (((HWORD) ^ 0x8000) - 0x8000) |
252b5132 RH |
49 | |
50 | /* Provided the symbol, returns the value reffed */ | |
51 | static long | |
346ceb11 | 52 | get_symbol_value (symbol) |
252b5132 | 53 | asymbol *symbol; |
346ceb11 | 54 | { |
252b5132 RH |
55 | long relocation = 0; |
56 | ||
57 | if (bfd_is_com_section (symbol->section)) | |
2a38f751 KH |
58 | { |
59 | relocation = 0; | |
60 | } | |
346ceb11 | 61 | else |
2a38f751 KH |
62 | { |
63 | relocation = symbol->value + | |
64 | symbol->section->output_section->vma + | |
65 | symbol->section->output_offset; | |
66 | } | |
252b5132 RH |
67 | |
68 | return(relocation); | |
69 | } | |
70 | ||
71 | /* this function is in charge of performing all the 29k relocations */ | |
72 | ||
73 | static bfd_reloc_status_type | |
74 | a29k_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd, | |
75 | error_message) | |
76 | bfd *abfd; | |
77 | arelent *reloc_entry; | |
78 | asymbol *symbol_in; | |
79 | PTR data; | |
80 | asection *input_section; | |
81 | bfd *output_bfd; | |
82 | char **error_message; | |
83 | { | |
84 | /* the consth relocation comes in two parts, we have to remember | |
85 | the state between calls, in these variables */ | |
86 | static boolean part1_consth_active = false; | |
87 | static unsigned long part1_consth_value; | |
88 | ||
89 | unsigned long insn; | |
90 | unsigned long sym_value; | |
91 | unsigned long unsigned_value; | |
92 | unsigned short r_type; | |
93 | long signed_value; | |
94 | ||
95 | unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/ | |
6e301b2b | 96 | bfd_byte *hit_data =addr + (bfd_byte *) (data); |
346ceb11 | 97 | |
252b5132 RH |
98 | r_type = reloc_entry->howto->type; |
99 | ||
2a38f751 KH |
100 | if (output_bfd) |
101 | { | |
102 | /* Partial linking - do nothing */ | |
103 | reloc_entry->address += input_section->output_offset; | |
104 | return bfd_reloc_ok; | |
252b5132 | 105 | |
2a38f751 | 106 | } |
252b5132 RH |
107 | |
108 | if (symbol_in != NULL | |
109 | && bfd_is_und_section (symbol_in->section)) | |
252b5132 | 110 | { |
2a38f751 KH |
111 | /* Keep the state machine happy in case we're called again */ |
112 | if (r_type == R_IHIHALF) | |
113 | { | |
114 | part1_consth_active = true; | |
115 | part1_consth_value = 0; | |
116 | } | |
117 | return(bfd_reloc_undefined); | |
252b5132 | 118 | } |
252b5132 | 119 | |
346ceb11 | 120 | if ((part1_consth_active) && (r_type != R_IHCONST)) |
2a38f751 KH |
121 | { |
122 | part1_consth_active = false; | |
123 | *error_message = (char *) _("Missing IHCONST"); | |
124 | return(bfd_reloc_dangerous); | |
125 | } | |
252b5132 | 126 | |
252b5132 RH |
127 | sym_value = get_symbol_value(symbol_in); |
128 | ||
346ceb11 | 129 | switch (r_type) |
252b5132 | 130 | { |
2a38f751 KH |
131 | case R_IREL: |
132 | insn = bfd_get_32 (abfd, hit_data); | |
133 | /* Take the value in the field and sign extend it */ | |
134 | signed_value = EXTRACT_HWORD(insn); | |
135 | signed_value = SIGN_EXTEND_HWORD(signed_value); | |
136 | signed_value <<= 2; | |
137 | ||
138 | /* See the note on the R_IREL reloc in coff_a29k_relocate_section. */ | |
139 | if (signed_value == - (long) reloc_entry->address) | |
140 | signed_value = 0; | |
141 | ||
142 | signed_value += sym_value + reloc_entry->addend; | |
143 | if ((signed_value & ~0x3ffff) == 0) | |
144 | { /* Absolute jmp/call */ | |
145 | insn |= (1<<24); /* Make it absolute */ | |
146 | /* FIXME: Should we change r_type to R_IABS */ | |
147 | } | |
148 | else | |
149 | { | |
150 | /* Relative jmp/call, so subtract from the value the | |
151 | address of the place we're coming from */ | |
152 | signed_value -= (reloc_entry->address | |
153 | + input_section->output_section->vma | |
154 | + input_section->output_offset); | |
155 | if (signed_value>0x1ffff || signed_value<-0x20000) | |
156 | return(bfd_reloc_overflow); | |
157 | } | |
158 | signed_value >>= 2; | |
159 | insn = INSERT_HWORD(insn, signed_value); | |
160 | bfd_put_32 (abfd, insn ,hit_data); | |
161 | break; | |
162 | case R_ILOHALF: | |
163 | insn = bfd_get_32 (abfd, hit_data); | |
164 | unsigned_value = EXTRACT_HWORD(insn); | |
165 | unsigned_value += sym_value + reloc_entry->addend; | |
166 | insn = INSERT_HWORD(insn, unsigned_value); | |
167 | bfd_put_32 (abfd, insn, hit_data); | |
168 | break; | |
169 | case R_IHIHALF: | |
170 | insn = bfd_get_32 (abfd, hit_data); | |
171 | /* consth, part 1 | |
172 | Just get the symbol value that is referenced */ | |
173 | part1_consth_active = true; | |
174 | part1_consth_value = sym_value + reloc_entry->addend; | |
175 | /* Don't modify insn until R_IHCONST */ | |
176 | break; | |
177 | case R_IHCONST: | |
178 | insn = bfd_get_32 (abfd, hit_data); | |
179 | /* consth, part 2 | |
180 | Now relocate the reference */ | |
181 | if (part1_consth_active == false) | |
182 | { | |
183 | *error_message = (char *) _("Missing IHIHALF"); | |
184 | return(bfd_reloc_dangerous); | |
185 | } | |
186 | /* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */ | |
187 | unsigned_value = 0; /*EXTRACT_HWORD(insn) << 16;*/ | |
188 | unsigned_value += reloc_entry->addend; /* r_symndx */ | |
189 | unsigned_value += part1_consth_value; | |
190 | unsigned_value = unsigned_value >> 16; | |
191 | insn = INSERT_HWORD(insn, unsigned_value); | |
192 | part1_consth_active = false; | |
193 | bfd_put_32 (abfd, insn, hit_data); | |
194 | break; | |
195 | case R_BYTE: | |
196 | insn = bfd_get_8 (abfd, hit_data); | |
197 | unsigned_value = insn + sym_value + reloc_entry->addend; | |
198 | if (unsigned_value & 0xffffff00) | |
199 | return(bfd_reloc_overflow); | |
200 | bfd_put_8 (abfd, unsigned_value, hit_data); | |
201 | break; | |
202 | case R_HWORD: | |
203 | insn = bfd_get_16 (abfd, hit_data); | |
204 | unsigned_value = insn + sym_value + reloc_entry->addend; | |
205 | if (unsigned_value & 0xffff0000) | |
206 | return(bfd_reloc_overflow); | |
207 | bfd_put_16 (abfd, insn, hit_data); | |
208 | break; | |
209 | case R_WORD: | |
210 | insn = bfd_get_32 (abfd, hit_data); | |
211 | insn += sym_value + reloc_entry->addend; | |
212 | bfd_put_32 (abfd, insn, hit_data); | |
213 | break; | |
214 | default: | |
215 | *error_message = _("Unrecognized reloc"); | |
216 | return (bfd_reloc_dangerous); | |
252b5132 | 217 | } |
252b5132 | 218 | |
346ceb11 | 219 | return(bfd_reloc_ok); |
252b5132 RH |
220 | } |
221 | ||
222 | /* type rightshift | |
223 | size | |
224 | bitsize | |
225 | pc-relative | |
226 | bitpos | |
227 | absolute | |
228 | complain_on_overflow | |
229 | special_function | |
230 | relocation name | |
346ceb11 | 231 | partial_inplace |
252b5132 RH |
232 | src_mask |
233 | */ | |
234 | ||
235 | /*FIXME: I'm not real sure about this table */ | |
346ceb11 | 236 | static reloc_howto_type howto_table[] = |
252b5132 RH |
237 | { |
238 | {R_ABS, 0, 3, 32, false, 0, complain_overflow_bitfield,a29k_reloc,"ABS", true, 0xffffffff,0xffffffff, false}, | |
5f771d47 ILT |
239 | EMPTY_HOWTO (1), |
240 | EMPTY_HOWTO (2), | |
241 | EMPTY_HOWTO (3), | |
242 | EMPTY_HOWTO (4), | |
243 | EMPTY_HOWTO (5), | |
244 | EMPTY_HOWTO (6), | |
245 | EMPTY_HOWTO (7), | |
246 | EMPTY_HOWTO (8), | |
247 | EMPTY_HOWTO (9), | |
248 | EMPTY_HOWTO (10), | |
249 | EMPTY_HOWTO (11), | |
250 | EMPTY_HOWTO (12), | |
251 | EMPTY_HOWTO (13), | |
252 | EMPTY_HOWTO (14), | |
253 | EMPTY_HOWTO (15), | |
254 | EMPTY_HOWTO (16), | |
255 | EMPTY_HOWTO (17), | |
256 | EMPTY_HOWTO (18), | |
257 | EMPTY_HOWTO (19), | |
258 | EMPTY_HOWTO (20), | |
259 | EMPTY_HOWTO (21), | |
260 | EMPTY_HOWTO (22), | |
261 | EMPTY_HOWTO (23), | |
252b5132 RH |
262 | {R_IREL, 0, 3, 32, true, 0, complain_overflow_signed,a29k_reloc,"IREL", true, 0xffffffff,0xffffffff, false}, |
263 | {R_IABS, 0, 3, 32, false, 0, complain_overflow_bitfield, a29k_reloc,"IABS", true, 0xffffffff,0xffffffff, false}, | |
264 | {R_ILOHALF, 0, 3, 16, true, 0, complain_overflow_signed, a29k_reloc,"ILOHALF", true, 0x0000ffff,0x0000ffff, false}, | |
265 | {R_IHIHALF, 0, 3, 16, true, 16, complain_overflow_signed, a29k_reloc,"IHIHALF", true, 0xffff0000,0xffff0000, false}, | |
266 | {R_IHCONST, 0, 3, 16, true, 0, complain_overflow_signed, a29k_reloc,"IHCONST", true, 0xffff0000,0xffff0000, false}, | |
267 | {R_BYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, a29k_reloc,"BYTE", true, 0x000000ff,0x000000ff, false}, | |
268 | {R_HWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, a29k_reloc,"HWORD", true, 0x0000ffff,0x0000ffff, false}, | |
269 | {R_WORD, 0, 2, 32, false, 0, complain_overflow_bitfield, a29k_reloc,"WORD", true, 0xffffffff,0xffffffff, false}, | |
270 | }; | |
271 | ||
272 | #define BADMAG(x) A29KBADMAG(x) | |
273 | ||
274 | #define RELOC_PROCESSING(relent, reloc, symbols, abfd, section) \ | |
275 | reloc_processing(relent, reloc, symbols, abfd, section) | |
276 | ||
277 | static void | |
278 | reloc_processing (relent,reloc, symbols, abfd, section) | |
279 | arelent *relent; | |
280 | struct internal_reloc *reloc; | |
281 | asymbol **symbols; | |
282 | bfd *abfd; | |
283 | asection *section; | |
284 | { | |
2a38f751 | 285 | static bfd_vma ihihalf_vaddr = (bfd_vma) -1; |
252b5132 | 286 | |
2a38f751 KH |
287 | relent->address = reloc->r_vaddr; |
288 | relent->howto = howto_table + reloc->r_type; | |
289 | if (reloc->r_type == R_IHCONST) | |
346ceb11 | 290 | { |
252b5132 RH |
291 | /* The address of an R_IHCONST should always be the address of |
292 | the immediately preceding R_IHIHALF. relocs generated by gas | |
293 | are correct, but relocs generated by High C are different (I | |
294 | can't figure out what the address means for High C). We can | |
295 | handle both gas and High C by ignoring the address here, and | |
296 | simply reusing the address saved for R_IHIHALF. */ | |
2a38f751 KH |
297 | if (ihihalf_vaddr == (bfd_vma) -1) |
298 | abort (); | |
299 | relent->address = ihihalf_vaddr; | |
300 | ihihalf_vaddr = (bfd_vma) -1; | |
301 | relent->addend = reloc->r_symndx; | |
302 | relent->sym_ptr_ptr= bfd_abs_section_ptr->symbol_ptr_ptr; | |
252b5132 | 303 | } |
2a38f751 | 304 | else |
252b5132 RH |
305 | { |
306 | asymbol *ptr; | |
307 | relent->sym_ptr_ptr = symbols + obj_convert(abfd)[reloc->r_symndx]; | |
308 | ||
309 | ptr = *(relent->sym_ptr_ptr); | |
310 | ||
346ceb11 KH |
311 | if (ptr |
312 | && bfd_asymbol_bfd(ptr) == abfd | |
252b5132 | 313 | |
346ceb11 | 314 | && ((ptr->flags & BSF_OLD_COMMON)== 0)) |
2a38f751 | 315 | { |
252b5132 | 316 | relent->addend = 0; |
2a38f751 | 317 | } |
252b5132 | 318 | else |
2a38f751 | 319 | { |
346ceb11 | 320 | relent->addend = 0; |
2a38f751 | 321 | } |
252b5132 RH |
322 | relent->address-= section->vma; |
323 | if (reloc->r_type == R_IHIHALF) | |
324 | ihihalf_vaddr = relent->address; | |
325 | else if (ihihalf_vaddr != (bfd_vma) -1) | |
326 | abort (); | |
2a38f751 | 327 | } |
252b5132 RH |
328 | } |
329 | ||
330 | /* The reloc processing routine for the optimized COFF linker. */ | |
331 | ||
332 | static boolean | |
333 | coff_a29k_relocate_section (output_bfd, info, input_bfd, input_section, | |
334 | contents, relocs, syms, sections) | |
5f771d47 | 335 | bfd *output_bfd ATTRIBUTE_UNUSED; |
252b5132 RH |
336 | struct bfd_link_info *info; |
337 | bfd *input_bfd; | |
338 | asection *input_section; | |
339 | bfd_byte *contents; | |
340 | struct internal_reloc *relocs; | |
341 | struct internal_syment *syms; | |
342 | asection **sections; | |
343 | { | |
344 | struct internal_reloc *rel; | |
345 | struct internal_reloc *relend; | |
346 | boolean hihalf; | |
347 | bfd_vma hihalf_val; | |
348 | ||
349 | /* If we are performing a relocateable link, we don't need to do a | |
350 | thing. The caller will take care of adjusting the reloc | |
351 | addresses and symbol indices. */ | |
352 | if (info->relocateable) | |
353 | return true; | |
354 | ||
355 | hihalf = false; | |
356 | hihalf_val = 0; | |
357 | ||
358 | rel = relocs; | |
359 | relend = rel + input_section->reloc_count; | |
360 | for (; rel < relend; rel++) | |
361 | { | |
362 | long symndx; | |
363 | bfd_byte *loc; | |
364 | struct coff_link_hash_entry *h; | |
365 | struct internal_syment *sym; | |
366 | asection *sec; | |
367 | bfd_vma val; | |
368 | boolean overflow; | |
369 | unsigned long insn; | |
370 | long signed_value; | |
371 | unsigned long unsigned_value; | |
372 | bfd_reloc_status_type rstat; | |
373 | ||
374 | symndx = rel->r_symndx; | |
375 | loc = contents + rel->r_vaddr - input_section->vma; | |
376 | ||
377 | if (symndx == -1 || rel->r_type == R_IHCONST) | |
378 | h = NULL; | |
379 | else | |
380 | h = obj_coff_sym_hashes (input_bfd)[symndx]; | |
381 | ||
382 | sym = NULL; | |
383 | sec = NULL; | |
384 | val = 0; | |
385 | ||
386 | /* An R_IHCONST reloc does not have a symbol. Instead, the | |
387 | symbol index is an addend. R_IHCONST is always used in | |
388 | conjunction with R_IHHALF. */ | |
389 | if (rel->r_type != R_IHCONST) | |
390 | { | |
391 | if (h == NULL) | |
392 | { | |
393 | if (symndx == -1) | |
394 | sec = bfd_abs_section_ptr; | |
395 | else | |
396 | { | |
397 | sym = syms + symndx; | |
398 | sec = sections[symndx]; | |
399 | val = (sec->output_section->vma | |
400 | + sec->output_offset | |
401 | + sym->n_value | |
402 | - sec->vma); | |
403 | } | |
404 | } | |
405 | else | |
406 | { | |
407 | if (h->root.type == bfd_link_hash_defined | |
408 | || h->root.type == bfd_link_hash_defweak) | |
409 | { | |
410 | sec = h->root.u.def.section; | |
411 | val = (h->root.u.def.value | |
412 | + sec->output_section->vma | |
413 | + sec->output_offset); | |
414 | } | |
415 | else | |
416 | { | |
417 | if (! ((*info->callbacks->undefined_symbol) | |
418 | (info, h->root.root.string, input_bfd, input_section, | |
5cc7c785 | 419 | rel->r_vaddr - input_section->vma, true))) |
252b5132 RH |
420 | return false; |
421 | } | |
422 | } | |
423 | ||
424 | if (hihalf) | |
425 | { | |
426 | if (! ((*info->callbacks->reloc_dangerous) | |
427 | (info, _("missing IHCONST reloc"), input_bfd, | |
428 | input_section, rel->r_vaddr - input_section->vma))) | |
429 | return false; | |
430 | hihalf = false; | |
431 | } | |
432 | } | |
433 | ||
434 | overflow = false; | |
435 | ||
436 | switch (rel->r_type) | |
437 | { | |
438 | default: | |
439 | bfd_set_error (bfd_error_bad_value); | |
440 | return false; | |
441 | ||
442 | case R_IREL: | |
443 | insn = bfd_get_32 (input_bfd, loc); | |
444 | ||
445 | /* Extract the addend. */ | |
446 | signed_value = EXTRACT_HWORD (insn); | |
447 | signed_value = SIGN_EXTEND_HWORD (signed_value); | |
448 | signed_value <<= 2; | |
449 | ||
450 | /* Unfortunately, there are two different versions of COFF | |
451 | a29k. In the original AMD version, the value stored in | |
452 | the field for the R_IREL reloc is a simple addend. In | |
453 | the GNU version, the value is the negative of the address | |
454 | of the reloc within section. We try to cope here by | |
455 | assuming the AMD version, unless the addend is exactly | |
456 | the negative of the address; in the latter case we assume | |
457 | the GNU version. This means that something like | |
458 | .text | |
459 | nop | |
460 | jmp i-4 | |
461 | will fail, because the addend of -4 will happen to equal | |
462 | the negative of the address within the section. The | |
463 | compiler will never generate code like this. | |
464 | ||
465 | At some point in the future we may want to take out this | |
466 | check. */ | |
467 | ||
468 | if (signed_value == - (long) (rel->r_vaddr - input_section->vma)) | |
469 | signed_value = 0; | |
470 | ||
471 | /* Determine the destination of the jump. */ | |
472 | signed_value += val; | |
473 | ||
474 | if ((signed_value & ~0x3ffff) == 0) | |
475 | { | |
476 | /* We can use an absolute jump. */ | |
477 | insn |= (1 << 24); | |
478 | } | |
479 | else | |
480 | { | |
481 | /* Make the destination PC relative. */ | |
482 | signed_value -= (input_section->output_section->vma | |
483 | + input_section->output_offset | |
484 | + (rel->r_vaddr - input_section->vma)); | |
485 | if (signed_value > 0x1ffff || signed_value < - 0x20000) | |
486 | { | |
487 | overflow = true; | |
488 | signed_value = 0; | |
489 | } | |
490 | } | |
491 | ||
492 | /* Put the adjusted value back into the instruction. */ | |
493 | signed_value >>= 2; | |
494 | insn = INSERT_HWORD (insn, signed_value); | |
495 | ||
496 | bfd_put_32 (input_bfd, (bfd_vma) insn, loc); | |
497 | ||
498 | break; | |
499 | ||
500 | case R_ILOHALF: | |
501 | insn = bfd_get_32 (input_bfd, loc); | |
502 | unsigned_value = EXTRACT_HWORD (insn); | |
503 | unsigned_value += val; | |
504 | insn = INSERT_HWORD (insn, unsigned_value); | |
505 | bfd_put_32 (input_bfd, insn, loc); | |
506 | break; | |
507 | ||
508 | case R_IHIHALF: | |
509 | /* Save the value for the R_IHCONST reloc. */ | |
510 | hihalf = true; | |
511 | hihalf_val = val; | |
512 | break; | |
513 | ||
514 | case R_IHCONST: | |
515 | if (! hihalf) | |
516 | { | |
517 | if (! ((*info->callbacks->reloc_dangerous) | |
518 | (info, _("missing IHIHALF reloc"), input_bfd, | |
519 | input_section, rel->r_vaddr - input_section->vma))) | |
520 | return false; | |
521 | hihalf_val = 0; | |
522 | } | |
523 | ||
524 | insn = bfd_get_32 (input_bfd, loc); | |
525 | unsigned_value = rel->r_symndx + hihalf_val; | |
526 | unsigned_value >>= 16; | |
527 | insn = INSERT_HWORD (insn, unsigned_value); | |
528 | bfd_put_32 (input_bfd, (bfd_vma) insn, loc); | |
529 | ||
530 | hihalf = false; | |
531 | ||
532 | break; | |
533 | ||
534 | case R_BYTE: | |
535 | case R_HWORD: | |
536 | case R_WORD: | |
537 | rstat = _bfd_relocate_contents (howto_table + rel->r_type, | |
538 | input_bfd, val, loc); | |
539 | if (rstat == bfd_reloc_overflow) | |
540 | overflow = true; | |
541 | else if (rstat != bfd_reloc_ok) | |
542 | abort (); | |
543 | break; | |
544 | } | |
545 | ||
546 | if (overflow) | |
547 | { | |
548 | const char *name; | |
549 | char buf[SYMNMLEN + 1]; | |
550 | ||
551 | if (symndx == -1) | |
552 | name = "*ABS*"; | |
553 | else if (h != NULL) | |
554 | name = h->root.root.string; | |
555 | else if (sym == NULL) | |
556 | name = "*unknown*"; | |
557 | else if (sym->_n._n_n._n_zeroes == 0 | |
558 | && sym->_n._n_n._n_offset != 0) | |
559 | name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset; | |
560 | else | |
561 | { | |
562 | strncpy (buf, sym->_n._n_name, SYMNMLEN); | |
563 | buf[SYMNMLEN] = '\0'; | |
564 | name = buf; | |
565 | } | |
566 | ||
567 | if (! ((*info->callbacks->reloc_overflow) | |
568 | (info, name, howto_table[rel->r_type].name, (bfd_vma) 0, | |
569 | input_bfd, input_section, | |
570 | rel->r_vaddr - input_section->vma))) | |
571 | return false; | |
572 | } | |
346ceb11 | 573 | } |
252b5132 RH |
574 | |
575 | return true; | |
576 | } | |
577 | ||
578 | #define coff_relocate_section coff_a29k_relocate_section | |
579 | ||
580 | /* We don't want to change the symndx of a R_IHCONST reloc, since it | |
581 | is actually an addend, not a symbol index at all. */ | |
582 | ||
252b5132 RH |
583 | static boolean |
584 | coff_a29k_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp) | |
5f771d47 ILT |
585 | bfd *obfd ATTRIBUTE_UNUSED; |
586 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
587 | bfd *ibfd ATTRIBUTE_UNUSED; | |
588 | asection *sec ATTRIBUTE_UNUSED; | |
252b5132 RH |
589 | struct internal_reloc *irel; |
590 | boolean *adjustedp; | |
591 | { | |
592 | if (irel->r_type == R_IHCONST) | |
593 | *adjustedp = true; | |
594 | else | |
595 | *adjustedp = false; | |
596 | return true; | |
597 | } | |
598 | ||
599 | #define coff_adjust_symndx coff_a29k_adjust_symndx | |
600 | ||
601 | #include "coffcode.h" | |
602 | ||
c3c89269 | 603 | CREATE_BIG_COFF_TARGET_VEC (a29kcoff_big_vec, "coff-a29k-big", 0, SEC_READONLY, '_', NULL) |