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e01b0e69 JR |
1 | /* Generic support for 32-bit ELF |
2 | Copyright 1993, 1995, 1998, 1999 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include "bfd.h" | |
21 | #include "sysdep.h" | |
22 | #include "libbfd.h" | |
23 | #include "elf-bfd.h" | |
24 | #include "elf/h8.h" | |
25 | ||
26 | static reloc_howto_type *elf32_h8_reloc_type_lookup | |
27 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
28 | static void elf32_h8_info_to_howto | |
29 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); | |
5e47149d JL |
30 | static void elf32_h8_info_to_howto_rel |
31 | PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); | |
32 | static int elf32_h8_mach | |
33 | PARAMS ((flagword)); | |
34 | static bfd_reloc_status_type elf32_h8_final_link_relocate | |
35 | PARAMS ((unsigned long, bfd *, bfd *, asection *, | |
36 | bfd_byte *, bfd_vma, bfd_vma, bfd_vma, | |
37 | struct bfd_link_info *, asection *, int)); | |
38 | static boolean elf32_h8_relocate_section | |
39 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, | |
40 | bfd_byte *, Elf_Internal_Rela *, | |
41 | Elf_Internal_Sym *, asection **)); | |
e01b0e69 JR |
42 | |
43 | /* This does not include any relocation information, but should be | |
44 | good enough for GDB or objdump to read the file. */ | |
45 | ||
46 | static reloc_howto_type h8_elf_howto_table[] = | |
47 | { | |
48 | #define R_H8_NONE_X 0 | |
49 | HOWTO (R_H8_NONE, /* type */ | |
50 | 0, /* rightshift */ | |
51 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
52 | 0, /* bitsize */ | |
53 | false, /* pc_relative */ | |
54 | 0, /* bitpos */ | |
55 | complain_overflow_dont, /* complain_on_overflow */ | |
56 | NULL, /* special_function */ | |
57 | "R_H8_NONE", /* name */ | |
58 | false, /* partial_inplace */ | |
59 | 0, /* src_mask */ | |
60 | 0, /* dst_mask */ | |
61 | false), /* pcrel_offset */ | |
62 | #define R_H8_DIR32_X (R_H8_NONE_X + 1) | |
63 | HOWTO (R_H8_DIR32, /* type */ | |
64 | 0, /* rightshift */ | |
65 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
66 | 32, /* bitsize */ | |
67 | false, /* pc_relative */ | |
68 | 0, /* bitpos */ | |
69 | complain_overflow_dont, /* complain_on_overflow */ | |
70 | NULL, /* special_function */ | |
71 | "R_H8_DIR32", /* name */ | |
72 | false, /* partial_inplace */ | |
73 | 0, /* src_mask */ | |
74 | 0xffffffff, /* dst_mask */ | |
75 | false), /* pcrel_offset */ | |
76 | #define R_H8_DIR16_X (R_H8_DIR32_X + 1) | |
77 | HOWTO (R_H8_DIR16, /* type */ | |
78 | 0, /* rightshift */ | |
79 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
80 | 16, /* bitsize */ | |
81 | false, /* pc_relative */ | |
82 | 0, /* bitpos */ | |
83 | complain_overflow_dont, /* complain_on_overflow */ | |
84 | NULL, /* special_function */ | |
85 | "R_H8_DIR16", /* name */ | |
86 | false, /* partial_inplace */ | |
87 | 0, /* src_mask */ | |
88 | 0x0000ffff, /* dst_mask */ | |
89 | false), /* pcrel_offset */ | |
90 | #define R_H8_DIR8_X (R_H8_DIR16_X + 1) | |
91 | HOWTO (R_H8_DIR8, /* type */ | |
92 | 0, /* rightshift */ | |
93 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
94 | 8, /* bitsize */ | |
95 | false, /* pc_relative */ | |
96 | 0, /* bitpos */ | |
97 | complain_overflow_dont, /* complain_on_overflow */ | |
98 | NULL, /* special_function */ | |
99 | "R_H8_DIR16", /* name */ | |
100 | false, /* partial_inplace */ | |
101 | 0, /* src_mask */ | |
102 | 0x000000ff, /* dst_mask */ | |
103 | false), /* pcrel_offset */ | |
104 | #define R_H8_DIR16A8_X (R_H8_DIR8_X + 1) | |
105 | HOWTO (R_H8_DIR16A8, /* type */ | |
106 | 0, /* rightshift */ | |
107 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
108 | 16, /* bitsize */ | |
109 | false, /* pc_relative */ | |
110 | 0, /* bitpos */ | |
111 | complain_overflow_bitfield, /* complain_on_overflow */ | |
112 | NULL, /* special_function */ | |
113 | "R_H8_DIR16A8", /* name */ | |
114 | false, /* partial_inplace */ | |
115 | 0, /* src_mask */ | |
116 | 0x0000ffff, /* dst_mask */ | |
117 | false), /* pcrel_offset */ | |
118 | #define R_H8_DIR16R8_X (R_H8_DIR16A8_X + 1) | |
119 | HOWTO (R_H8_DIR16R8, /* type */ | |
120 | 0, /* rightshift */ | |
121 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
122 | 16, /* bitsize */ | |
123 | false, /* pc_relative */ | |
124 | 0, /* bitpos */ | |
125 | complain_overflow_bitfield, /* complain_on_overflow */ | |
126 | NULL, /* special_function */ | |
127 | "R_H8_DIR16R8", /* name */ | |
128 | false, /* partial_inplace */ | |
129 | 0, /* src_mask */ | |
130 | 0x0000ffff, /* dst_mask */ | |
131 | false), /* pcrel_offset */ | |
132 | #define R_H8_DIR24A8_X (R_H8_DIR16R8_X + 1) | |
133 | HOWTO (R_H8_DIR24A8, /* type */ | |
134 | 0, /* rightshift */ | |
135 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
136 | 24, /* bitsize */ | |
137 | false, /* pc_relative */ | |
138 | 0, /* bitpos */ | |
139 | complain_overflow_bitfield, /* complain_on_overflow */ | |
140 | NULL, /* special_function */ | |
141 | "R_H8_DIR24A8", /* name */ | |
142 | true, /* partial_inplace */ | |
143 | 0xff000000, /* src_mask */ | |
144 | 0x00ffffff, /* dst_mask */ | |
145 | false), /* pcrel_offset */ | |
146 | #define R_H8_DIR24R8_X (R_H8_DIR24A8_X + 1) | |
147 | HOWTO (R_H8_DIR24R8, /* type */ | |
148 | 0, /* rightshift */ | |
149 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
150 | 24, /* bitsize */ | |
151 | false, /* pc_relative */ | |
152 | 0, /* bitpos */ | |
153 | complain_overflow_bitfield, /* complain_on_overflow */ | |
154 | NULL, /* special_function */ | |
155 | "R_H8_DIR24R8", /* name */ | |
156 | true, /* partial_inplace */ | |
157 | 0xff000000, /* src_mask */ | |
158 | 0x00ffffff, /* dst_mask */ | |
159 | false), /* pcrel_offset */ | |
160 | #define R_H8_DIR32A16_X (R_H8_DIR24R8_X + 1) | |
161 | HOWTO (R_H8_DIR32A16, /* type */ | |
162 | 0, /* rightshift */ | |
163 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
164 | 32, /* bitsize */ | |
165 | false, /* pc_relative */ | |
166 | 0, /* bitpos */ | |
167 | complain_overflow_dont, /* complain_on_overflow */ | |
168 | NULL, /* special_function */ | |
169 | "R_H8_DIR32", /* name */ | |
170 | false, /* partial_inplace */ | |
171 | 0, /* src_mask */ | |
172 | 0xffffffff, /* dst_mask */ | |
173 | false), /* pcrel_offset */ | |
174 | }; | |
175 | ||
176 | /* This structure is used to map BFD reloc codes to H8 ELF relocs. */ | |
177 | ||
178 | struct elf_reloc_map | |
179 | { | |
180 | bfd_reloc_code_real_type bfd_reloc_val; | |
181 | unsigned char howto_index; | |
182 | }; | |
183 | ||
184 | /* An array mapping BFD reloc codes to SH ELF relocs. */ | |
185 | ||
186 | static const struct elf_reloc_map h8_reloc_map[] = | |
187 | { | |
188 | { BFD_RELOC_NONE, R_H8_NONE_X }, | |
189 | { BFD_RELOC_32, R_H8_DIR32_X }, | |
190 | { BFD_RELOC_16, R_H8_DIR16_X }, | |
191 | { BFD_RELOC_8, R_H8_DIR8_X }, | |
192 | { BFD_RELOC_H8_DIR16A8, R_H8_DIR16A8_X }, | |
193 | { BFD_RELOC_H8_DIR16R8, R_H8_DIR16R8_X }, | |
194 | { BFD_RELOC_H8_DIR24A8, R_H8_DIR24A8_X }, | |
195 | { BFD_RELOC_H8_DIR24R8, R_H8_DIR24R8_X }, | |
196 | { BFD_RELOC_H8_DIR32A16, R_H8_DIR32A16_X }, | |
197 | }; | |
198 | ||
0a83638b | 199 | |
e01b0e69 JR |
200 | static reloc_howto_type * |
201 | elf32_h8_reloc_type_lookup (abfd, code) | |
202 | bfd *abfd ATTRIBUTE_UNUSED; | |
203 | bfd_reloc_code_real_type code; | |
204 | { | |
205 | unsigned int i; | |
206 | ||
207 | for (i = 0; i < sizeof (h8_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
208 | { | |
209 | if (h8_reloc_map[i].bfd_reloc_val == code) | |
210 | return &h8_elf_howto_table[(int) h8_reloc_map[i].howto_index]; | |
211 | } | |
212 | return NULL; | |
213 | } | |
214 | ||
215 | static void | |
216 | elf32_h8_info_to_howto (abfd, bfd_reloc, elf_reloc) | |
217 | bfd *abfd ATTRIBUTE_UNUSED; | |
218 | arelent *bfd_reloc; | |
5e47149d | 219 | Elf32_Internal_Rela *elf_reloc; |
e01b0e69 JR |
220 | { |
221 | unsigned int r; | |
222 | unsigned int i; | |
223 | ||
224 | r = ELF32_R_TYPE (elf_reloc->r_info); | |
225 | for (i = 0; i < sizeof (h8_elf_howto_table) / sizeof (reloc_howto_type); i++) | |
226 | if (h8_elf_howto_table[i].type== r) | |
227 | { | |
228 | bfd_reloc->howto = &h8_elf_howto_table[i]; | |
229 | return; | |
230 | } | |
231 | abort (); | |
232 | } | |
233 | ||
234 | static void | |
235 | elf32_h8_info_to_howto_rel (abfd, bfd_reloc, elf_reloc) | |
236 | bfd *abfd ATTRIBUTE_UNUSED; | |
237 | arelent *bfd_reloc; | |
238 | Elf32_Internal_Rel *elf_reloc ATTRIBUTE_UNUSED; | |
239 | { | |
240 | unsigned int r; | |
241 | ||
242 | abort (); | |
243 | r = ELF32_R_TYPE (elf_reloc->r_info); | |
244 | bfd_reloc->howto = &h8_elf_howto_table[r]; | |
245 | } | |
246 | ||
5e47149d JL |
247 | |
248 | /* Perform a relocation as part of a final link. */ | |
249 | static bfd_reloc_status_type | |
250 | elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd, | |
251 | input_section, contents, offset, value, | |
252 | addend, info, sym_sec, is_local) | |
253 | unsigned long r_type; | |
254 | bfd *input_bfd; | |
255 | bfd *output_bfd ATTRIBUTE_UNUSED; | |
256 | asection *input_section ATTRIBUTE_UNUSED; | |
257 | bfd_byte *contents; | |
258 | bfd_vma offset; | |
259 | bfd_vma value; | |
260 | bfd_vma addend; | |
261 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
262 | asection *sym_sec ATTRIBUTE_UNUSED; | |
263 | int is_local ATTRIBUTE_UNUSED; | |
264 | { | |
265 | bfd_byte *hit_data = contents + offset; | |
266 | ||
267 | switch (r_type) | |
268 | { | |
269 | ||
270 | case R_H8_NONE: | |
271 | return bfd_reloc_ok; | |
272 | ||
273 | case R_H8_DIR32: | |
274 | case R_H8_DIR32A16: | |
275 | value += addend; | |
276 | bfd_put_32 (input_bfd, value, hit_data); | |
277 | return bfd_reloc_ok; | |
278 | ||
279 | case R_H8_DIR16: | |
280 | case R_H8_DIR16A8: | |
281 | case R_H8_DIR16R8: | |
282 | value += addend; | |
283 | bfd_put_16 (input_bfd, value, hit_data); | |
284 | return bfd_reloc_ok; | |
285 | ||
286 | /* AKA R_RELBYTE */ | |
287 | case R_H8_DIR8: | |
288 | value += addend; | |
289 | ||
290 | if ((long) value > 0x7f || (long) value < -0x80) | |
291 | return bfd_reloc_overflow; | |
292 | ||
293 | bfd_put_8 (input_bfd, value, hit_data); | |
294 | return bfd_reloc_ok; | |
295 | ||
296 | case R_H8_DIR24A8: | |
297 | case R_H8_DIR24R8: | |
298 | value += addend; | |
299 | ||
300 | if ((long) value > 0x7fffff || (long) value < -0x800000) | |
301 | return bfd_reloc_overflow; | |
302 | ||
303 | value &= 0xffffff; | |
304 | value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000); | |
305 | bfd_put_32 (input_bfd, value, hit_data); | |
306 | return bfd_reloc_ok; | |
307 | ||
308 | default: | |
309 | return bfd_reloc_notsupported; | |
310 | } | |
311 | } | |
312 | \f | |
313 | /* Relocate an H8 ELF section. */ | |
314 | static boolean | |
315 | elf32_h8_relocate_section (output_bfd, info, input_bfd, input_section, | |
316 | contents, relocs, local_syms, local_sections) | |
317 | bfd *output_bfd; | |
318 | struct bfd_link_info *info; | |
319 | bfd *input_bfd; | |
320 | asection *input_section; | |
321 | bfd_byte *contents; | |
322 | Elf_Internal_Rela *relocs; | |
323 | Elf_Internal_Sym *local_syms; | |
324 | asection **local_sections; | |
325 | { | |
326 | Elf_Internal_Shdr *symtab_hdr; | |
327 | struct elf_link_hash_entry **sym_hashes; | |
328 | Elf_Internal_Rela *rel, *relend; | |
329 | ||
330 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
331 | sym_hashes = elf_sym_hashes (input_bfd); | |
332 | ||
333 | rel = relocs; | |
334 | relend = relocs + input_section->reloc_count; | |
335 | for (; rel < relend; rel++) | |
336 | { | |
337 | int r_type; | |
338 | unsigned long r_symndx; | |
339 | Elf_Internal_Sym *sym; | |
340 | asection *sec; | |
341 | struct elf_link_hash_entry *h; | |
342 | bfd_vma relocation; | |
343 | bfd_reloc_status_type r; | |
344 | ||
345 | r_symndx = ELF32_R_SYM (rel->r_info); | |
346 | r_type = ELF32_R_TYPE (rel->r_info); | |
347 | ||
348 | if (info->relocateable) | |
349 | { | |
350 | /* This is a relocateable link. We don't have to change | |
351 | anything, unless the reloc is against a section symbol, | |
352 | in which case we have to adjust according to where the | |
353 | section symbol winds up in the output section. */ | |
354 | if (r_symndx < symtab_hdr->sh_info) | |
355 | { | |
356 | sym = local_syms + r_symndx; | |
357 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
358 | { | |
359 | sec = local_sections[r_symndx]; | |
360 | rel->r_addend += sec->output_offset + sym->st_value; | |
361 | } | |
362 | } | |
363 | ||
364 | continue; | |
365 | } | |
366 | ||
367 | /* This is a final link. */ | |
368 | h = NULL; | |
369 | sym = NULL; | |
370 | sec = NULL; | |
371 | if (r_symndx < symtab_hdr->sh_info) | |
372 | { | |
373 | sym = local_syms + r_symndx; | |
374 | sec = local_sections[r_symndx]; | |
375 | relocation = (sec->output_section->vma | |
376 | + sec->output_offset | |
377 | + sym->st_value); | |
378 | } | |
379 | else | |
380 | { | |
381 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
382 | while (h->root.type == bfd_link_hash_indirect | |
383 | || h->root.type == bfd_link_hash_warning) | |
384 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
385 | if (h->root.type == bfd_link_hash_defined | |
386 | || h->root.type == bfd_link_hash_defweak) | |
387 | { | |
388 | sec = h->root.u.def.section; | |
389 | relocation = (h->root.u.def.value | |
390 | + sec->output_section->vma | |
391 | + sec->output_offset); | |
392 | } | |
393 | else if (h->root.type == bfd_link_hash_undefweak) | |
394 | relocation = 0; | |
395 | else | |
396 | { | |
397 | if (! ((*info->callbacks->undefined_symbol) | |
398 | (info, h->root.root.string, input_bfd, | |
399 | input_section, rel->r_offset, true))) | |
400 | return false; | |
401 | relocation = 0; | |
402 | } | |
403 | } | |
404 | ||
405 | r = elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd, | |
406 | input_section, | |
407 | contents, rel->r_offset, | |
408 | relocation, rel->r_addend, | |
409 | info, sec, h == NULL); | |
410 | ||
411 | if (r != bfd_reloc_ok) | |
412 | { | |
413 | const char *name; | |
414 | const char *msg = (const char *) 0; | |
415 | arelent bfd_reloc; | |
416 | reloc_howto_type *howto; | |
417 | ||
418 | elf32_h8_info_to_howto (input_bfd, &bfd_reloc, rel); | |
419 | howto = bfd_reloc.howto; | |
420 | ||
421 | if (h != NULL) | |
422 | name = h->root.root.string; | |
423 | else | |
424 | { | |
425 | name = (bfd_elf_string_from_elf_section | |
426 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
427 | if (name == NULL || *name == '\0') | |
428 | name = bfd_section_name (input_bfd, sec); | |
429 | } | |
430 | ||
431 | switch (r) | |
432 | { | |
433 | case bfd_reloc_overflow: | |
434 | if (! ((*info->callbacks->reloc_overflow) | |
435 | (info, name, howto->name, (bfd_vma) 0, | |
436 | input_bfd, input_section, rel->r_offset))) | |
437 | return false; | |
438 | break; | |
439 | ||
440 | case bfd_reloc_undefined: | |
441 | if (! ((*info->callbacks->undefined_symbol) | |
442 | (info, name, input_bfd, input_section, | |
443 | rel->r_offset, true))) | |
444 | return false; | |
445 | break; | |
446 | ||
447 | case bfd_reloc_outofrange: | |
448 | msg = _("internal error: out of range error"); | |
449 | goto common_error; | |
450 | ||
451 | case bfd_reloc_notsupported: | |
452 | msg = _("internal error: unsupported relocation error"); | |
453 | goto common_error; | |
454 | ||
455 | case bfd_reloc_dangerous: | |
456 | msg = _("internal error: dangerous error"); | |
457 | goto common_error; | |
458 | ||
459 | default: | |
460 | msg = _("internal error: unknown error"); | |
461 | /* fall through */ | |
462 | ||
463 | common_error: | |
464 | if (!((*info->callbacks->warning) | |
465 | (info, msg, name, input_bfd, input_section, | |
466 | rel->r_offset))) | |
467 | return false; | |
468 | break; | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | return true; | |
474 | } | |
475 | ||
0a83638b JL |
476 | /* Object files encode the specific H8 model they were compiled |
477 | for in the ELF flags field. | |
478 | ||
479 | Examine that field and return the proper BFD machine type for | |
480 | the object file. */ | |
481 | static int | |
482 | elf32_h8_mach (flags) | |
483 | flagword flags; | |
484 | { | |
485 | switch (flags & EF_H8_MACH) | |
486 | { | |
487 | case E_H8_MACH_H8300: | |
488 | default: | |
489 | return bfd_mach_h8300; | |
490 | ||
491 | case E_H8_MACH_H8300H: | |
492 | return bfd_mach_h8300h; | |
493 | ||
494 | case E_H8_MACH_H8300S: | |
495 | return bfd_mach_h8300s; | |
496 | } | |
497 | } | |
498 | ||
499 | /* The final processing done just before writing out a H8 ELF object | |
500 | file. We use this opportunity to encode the BFD machine type | |
501 | into the flags field in the object file. */ | |
502 | ||
503 | void | |
504 | elf32_h8_final_write_processing (abfd, linker) | |
505 | bfd *abfd; | |
506 | boolean linker ATTRIBUTE_UNUSED; | |
507 | { | |
508 | unsigned long val; | |
509 | ||
510 | switch (bfd_get_mach (abfd)) | |
511 | { | |
512 | default: | |
513 | case bfd_mach_h8300: | |
514 | val = E_H8_MACH_H8300; | |
515 | break; | |
516 | ||
517 | case bfd_mach_h8300h: | |
518 | val = E_H8_MACH_H8300H; | |
519 | break; | |
520 | ||
521 | case bfd_mach_h8300s: | |
522 | val = E_H8_MACH_H8300S; | |
523 | break; | |
524 | } | |
525 | ||
526 | elf_elfheader (abfd)->e_flags &= ~ (EF_H8_MACH); | |
527 | elf_elfheader (abfd)->e_flags |= val; | |
528 | } | |
529 | ||
530 | /* Return nonzero if ABFD represents a valid H8 ELF object file; also | |
531 | record the encoded machine type found in the ELF flags. */ | |
532 | ||
533 | boolean | |
534 | elf32_h8_object_p (abfd) | |
535 | bfd *abfd; | |
536 | { | |
537 | bfd_default_set_arch_mach (abfd, bfd_arch_h8300, | |
538 | elf32_h8_mach (elf_elfheader (abfd)->e_flags)); | |
539 | return true; | |
540 | } | |
541 | ||
542 | /* Merge backend specific data from an object file to the output | |
543 | object file when linking. The only data we need to copy at this | |
544 | time is the architecture/machine information. */ | |
545 | ||
546 | boolean | |
547 | elf32_h8_merge_private_bfd_data (ibfd, obfd) | |
548 | bfd *ibfd; | |
549 | bfd *obfd; | |
550 | { | |
551 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
552 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
553 | return true; | |
554 | ||
555 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
556 | && bfd_get_mach (obfd) < bfd_get_mach (ibfd)) | |
557 | { | |
558 | if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
559 | bfd_get_mach (ibfd))) | |
560 | return false; | |
561 | } | |
562 | ||
563 | return true; | |
564 | } | |
565 | ||
566 | ||
e01b0e69 JR |
567 | #define TARGET_BIG_SYM bfd_elf32_h8300_vec |
568 | #define TARGET_BIG_NAME "elf32-h8300" | |
569 | #define ELF_ARCH bfd_arch_h8300 | |
570 | #define ELF_MACHINE_CODE EM_H8_300 | |
571 | #define ELF_MAXPAGESIZE 0x1 | |
572 | #define bfd_elf32_bfd_reloc_type_lookup elf32_h8_reloc_type_lookup | |
573 | #define elf_info_to_howto elf32_h8_info_to_howto | |
574 | #define elf_info_to_howto_rel elf32_h8_info_to_howto_rel | |
575 | ||
0a83638b JL |
576 | /* So we can set/examine bits in e_flags to get the specific |
577 | H8 architecture in use. */ | |
578 | #define elf_backend_final_write_processing \ | |
579 | elf32_h8_final_write_processing | |
580 | #define elf_backend_object_p \ | |
581 | elf32_h8_object_p | |
582 | #define bfd_elf32_bfd_merge_private_bfd_data \ | |
583 | elf32_h8_merge_private_bfd_data | |
584 | ||
e01b0e69 JR |
585 | /* ??? when elf_backend_relocate_section is not defined, elf32-target.h |
586 | defaults to using _bfd_generic_link_hash_table_create, but | |
587 | elflink.h:bfd_elf32_size_dynamic_sections uses | |
588 | dynobj = elf_hash_table (info)->dynobj; | |
589 | and thus requires an elf hash table. */ | |
590 | #define bfd_elf32_bfd_link_hash_table_create _bfd_elf_link_hash_table_create | |
591 | ||
5e47149d JL |
592 | /* Use an H8 specific linker, not the ELF generic linker. */ |
593 | #define elf_backend_relocate_section elf32_h8_relocate_section | |
594 | ||
e01b0e69 | 595 | #include "elf32-target.h" |