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