Commit | Line | Data |
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4a8db330 | 1 | /* BFD back-end for AMD 29000 COFF binaries. |
dfc1c006 | 2 | Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc. |
3c8a3c56 | 3 | Contributed by David Wood at New York University 7/8/91. |
2013f9b4 | 4 | |
3c8a3c56 | 5 | This file is part of BFD, the Binary File Descriptor library. |
2013f9b4 | 6 | |
3c8a3c56 | 7 | This program is free software; you can redistribute it and/or modify |
2013f9b4 | 8 | it under the terms of the GNU General Public License as published by |
3c8a3c56 JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
2013f9b4 | 11 | |
3c8a3c56 | 12 | This program is distributed in the hope that it will be useful, |
2013f9b4 SC |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
3c8a3c56 | 18 | along with this program; if not, write to the Free Software |
943fbd5b | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
2013f9b4 | 20 | |
2013f9b4 SC |
21 | #define A29K 1 |
22 | ||
2013f9b4 | 23 | #include "bfd.h" |
bbc8d484 | 24 | #include "sysdep.h" |
2013f9b4 SC |
25 | #include "libbfd.h" |
26 | #include "obstack.h" | |
c3eb25fc SC |
27 | #include "coff/a29k.h" |
28 | #include "coff/internal.h" | |
2013f9b4 SC |
29 | #include "libcoff.h" |
30 | ||
4c3721d5 ILT |
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 **)); | |
69645d10 ILT |
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 **)); | |
f135c692 ILT |
37 | static boolean coff_a29k_adjust_symndx |
38 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, | |
39 | struct internal_reloc *, boolean *)); | |
4c3721d5 | 40 | |
28d19d03 ILT |
41 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2) |
42 | ||
2013f9b4 | 43 | #define INSERT_HWORD(WORD,HWORD) \ |
c2ce0738 SC |
44 | (((WORD) & 0xff00ff00) | (((HWORD) & 0xff00) << 8) | ((HWORD)& 0xff)) |
45 | #define EXTRACT_HWORD(WORD) \ | |
dc1f8593 | 46 | ((((WORD) & 0x00ff0000) >> 8) | ((WORD)& 0xff)) |
c2ce0738 SC |
47 | #define SIGN_EXTEND_HWORD(HWORD) \ |
48 | ((HWORD) & 0x8000 ? (HWORD)|0xffff0000 : (HWORD)) | |
2013f9b4 SC |
49 | |
50 | /* Provided the symbol, returns the value reffed */ | |
4c3721d5 ILT |
51 | static long |
52 | get_symbol_value (symbol) | |
53 | asymbol *symbol; | |
2013f9b4 SC |
54 | { |
55 | long relocation = 0; | |
56 | ||
382f2a3d | 57 | if (bfd_is_com_section (symbol->section)) |
859f11ff SC |
58 | { |
59 | relocation = 0; | |
2013f9b4 | 60 | } |
859f11ff SC |
61 | else |
62 | { | |
63 | relocation = symbol->value + | |
64 | symbol->section->output_section->vma + | |
65 | symbol->section->output_offset; | |
66 | } | |
67 | ||
2013f9b4 SC |
68 | return(relocation); |
69 | } | |
70 | ||
c2ce0738 SC |
71 | /* this function is in charge of performing all the 29k relocations */ |
72 | ||
9e2dad8e | 73 | static bfd_reloc_status_type |
4c3721d5 ILT |
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; | |
2013f9b4 | 83 | { |
859f11ff SC |
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; | |
c2ce0738 | 88 | |
859f11ff SC |
89 | unsigned long insn; |
90 | unsigned long sym_value; | |
91 | unsigned long unsigned_value; | |
92 | unsigned short r_type; | |
93 | long signed_value; | |
c2ce0738 | 94 | |
2cfd0562 | 95 | unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/ |
859f11ff | 96 | bfd_byte *hit_data =addr + (bfd_byte *)(data); |
2013f9b4 | 97 | |
859f11ff | 98 | r_type = reloc_entry->howto->type; |
f58809fd | 99 | |
2cfd0562 SC |
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 | ||
badd23e3 ILT |
107 | if (symbol_in != NULL |
108 | && bfd_is_und_section (symbol_in->section)) | |
859f11ff SC |
109 | { |
110 | /* Keep the state machine happy in case we're called again */ | |
111 | if (r_type == R_IHIHALF) | |
c2ce0738 | 112 | { |
859f11ff SC |
113 | part1_consth_active = true; |
114 | part1_consth_value = 0; | |
f58809fd | 115 | } |
859f11ff SC |
116 | return(bfd_reloc_undefined); |
117 | } | |
f58809fd | 118 | |
859f11ff SC |
119 | if ((part1_consth_active) && (r_type != R_IHCONST)) |
120 | { | |
859f11ff | 121 | part1_consth_active = false; |
4c3721d5 | 122 | *error_message = (char *) "Missing IHCONST"; |
859f11ff SC |
123 | return(bfd_reloc_dangerous); |
124 | } | |
f58809fd | 125 | |
f58809fd | 126 | |
859f11ff SC |
127 | sym_value = get_symbol_value(symbol_in); |
128 | ||
129 | switch (r_type) | |
130 | { | |
131 | case R_IREL: | |
132 | insn = bfd_get_32(abfd, hit_data); | |
133 | /* Take the value in the field and sign extend it */ | |
533af031 | 134 | signed_value = EXTRACT_HWORD(insn); |
859f11ff | 135 | signed_value = SIGN_EXTEND_HWORD(signed_value); |
533af031 | 136 | signed_value <<= 2; |
859f11ff | 137 | signed_value += sym_value + reloc_entry->addend; |
69a010f6 | 138 | if (((signed_value + reloc_entry->address) & ~0x3ffff) == 0) |
859f11ff SC |
139 | { /* Absolute jmp/call */ |
140 | insn |= (1<<24); /* Make it absolute */ | |
69a010f6 | 141 | signed_value += reloc_entry->address; |
859f11ff | 142 | /* FIXME: Should we change r_type to R_IABS */ |
859f11ff SC |
143 | } |
144 | else | |
c2ce0738 | 145 | { |
859f11ff SC |
146 | /* Relative jmp/call, so subtract from the value the |
147 | address of the place we're coming from */ | |
533af031 ILT |
148 | signed_value -= (input_section->output_section->vma |
149 | + input_section->output_offset); | |
859f11ff | 150 | if (signed_value>0x1ffff || signed_value<-0x20000) |
4c3721d5 | 151 | return(bfd_reloc_overflow); |
859f11ff | 152 | } |
bbbd93b8 | 153 | signed_value >>= 2; |
859f11ff SC |
154 | insn = INSERT_HWORD(insn, signed_value); |
155 | bfd_put_32(abfd, insn ,hit_data); | |
156 | break; | |
157 | case R_ILOHALF: | |
158 | insn = bfd_get_32(abfd, hit_data); | |
159 | unsigned_value = EXTRACT_HWORD(insn); | |
160 | unsigned_value += sym_value + reloc_entry->addend; | |
161 | insn = INSERT_HWORD(insn, unsigned_value); | |
162 | bfd_put_32(abfd, insn, hit_data); | |
163 | break; | |
164 | case R_IHIHALF: | |
165 | insn = bfd_get_32(abfd, hit_data); | |
166 | /* consth, part 1 | |
167 | Just get the symbol value that is referenced */ | |
168 | part1_consth_active = true; | |
169 | part1_consth_value = sym_value + reloc_entry->addend; | |
170 | /* Don't modify insn until R_IHCONST */ | |
171 | break; | |
172 | case R_IHCONST: | |
173 | insn = bfd_get_32(abfd, hit_data); | |
174 | /* consth, part 2 | |
175 | Now relocate the reference */ | |
176 | if (part1_consth_active == false) { | |
4c3721d5 | 177 | *error_message = (char *) "Missing IHIHALF"; |
859f11ff SC |
178 | return(bfd_reloc_dangerous); |
179 | } | |
180 | /* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */ | |
181 | unsigned_value = 0; /*EXTRACT_HWORD(insn) << 16;*/ | |
182 | unsigned_value += reloc_entry->addend; /* r_symndx */ | |
183 | unsigned_value += part1_consth_value; | |
184 | unsigned_value = unsigned_value >> 16; | |
185 | insn = INSERT_HWORD(insn, unsigned_value); | |
186 | part1_consth_active = false; | |
187 | bfd_put_32(abfd, insn, hit_data); | |
188 | break; | |
189 | case R_BYTE: | |
190 | insn = bfd_get_8(abfd, hit_data); | |
191 | unsigned_value = insn + sym_value + reloc_entry->addend; | |
7a7fbffb | 192 | if (unsigned_value & 0xffffff00) |
859f11ff | 193 | return(bfd_reloc_overflow); |
ab98fd5d | 194 | bfd_put_8(abfd, unsigned_value, hit_data); |
859f11ff SC |
195 | break; |
196 | case R_HWORD: | |
197 | insn = bfd_get_16(abfd, hit_data); | |
198 | unsigned_value = insn + sym_value + reloc_entry->addend; | |
7a7fbffb | 199 | if (unsigned_value & 0xffff0000) |
859f11ff | 200 | return(bfd_reloc_overflow); |
2cfd0562 | 201 | bfd_put_16(abfd, insn, hit_data); |
859f11ff SC |
202 | break; |
203 | case R_WORD: | |
204 | insn = bfd_get_32(abfd, hit_data); | |
205 | insn += sym_value + reloc_entry->addend; | |
206 | bfd_put_32(abfd, insn, hit_data); | |
207 | break; | |
208 | default: | |
4c3721d5 | 209 | *error_message = "Unrecognized reloc"; |
859f11ff SC |
210 | return (bfd_reloc_dangerous); |
211 | } | |
212 | ||
213 | ||
214 | return(bfd_reloc_ok); | |
2013f9b4 SC |
215 | } |
216 | ||
217 | /* type rightshift | |
218 | size | |
219 | bitsize | |
220 | pc-relative | |
221 | bitpos | |
222 | absolute | |
223 | complain_on_overflow | |
224 | special_function | |
225 | relocation name | |
226 | partial_inplace | |
227 | src_mask | |
228 | */ | |
229 | ||
230 | /*FIXME: I'm not real sure about this table */ | |
2013f9b4 SC |
231 | static reloc_howto_type howto_table[] = |
232 | { | |
66a277ab | 233 | {R_ABS, 0, 3, 32, false, 0, complain_overflow_bitfield,a29k_reloc,"ABS", true, 0xffffffff,0xffffffff, false}, |
2013f9b4 SC |
234 | {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, |
235 | {11}, {12}, {13}, {14}, {15}, {16}, {17}, {18}, {19}, {20}, | |
236 | {21}, {22}, {23}, | |
66a277ab ILT |
237 | {R_IREL, 0, 3, 32, true, 0, complain_overflow_signed,a29k_reloc,"IREL", true, 0xffffffff,0xffffffff, false}, |
238 | {R_IABS, 0, 3, 32, false, 0, complain_overflow_bitfield, a29k_reloc,"IABS", true, 0xffffffff,0xffffffff, false}, | |
239 | {R_ILOHALF, 0, 3, 16, true, 0, complain_overflow_signed, a29k_reloc,"ILOHALF", true, 0x0000ffff,0x0000ffff, false}, | |
240 | {R_IHIHALF, 0, 3, 16, true, 16, complain_overflow_signed, a29k_reloc,"IHIHALF", true, 0xffff0000,0xffff0000, false}, | |
241 | {R_IHCONST, 0, 3, 16, true, 0, complain_overflow_signed, a29k_reloc,"IHCONST", true, 0xffff0000,0xffff0000, false}, | |
242 | {R_BYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, a29k_reloc,"BYTE", true, 0x000000ff,0x000000ff, false}, | |
243 | {R_HWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, a29k_reloc,"HWORD", true, 0x0000ffff,0x0000ffff, false}, | |
244 | {R_WORD, 0, 2, 32, false, 0, complain_overflow_bitfield, a29k_reloc,"WORD", true, 0xffffffff,0xffffffff, false}, | |
2013f9b4 | 245 | }; |
2013f9b4 SC |
246 | |
247 | #define BADMAG(x) A29KBADMAG(x) | |
248 | ||
6cba8f4b SC |
249 | #define RELOC_PROCESSING(relent, reloc, symbols, abfd, section) \ |
250 | reloc_processing(relent, reloc, symbols, abfd, section) | |
251 | ||
57a1867e DM |
252 | static void |
253 | reloc_processing (relent,reloc, symbols, abfd, section) | |
254 | arelent *relent; | |
255 | struct internal_reloc *reloc; | |
256 | asymbol **symbols; | |
257 | bfd *abfd; | |
258 | asection *section; | |
6cba8f4b | 259 | { |
09ed3666 ILT |
260 | static bfd_vma ihihalf_vaddr = (bfd_vma) -1; |
261 | ||
6cba8f4b SC |
262 | relent->address = reloc->r_vaddr; |
263 | relent->howto = howto_table + reloc->r_type; | |
264 | if (reloc->r_type == R_IHCONST) | |
265 | { | |
09ed3666 ILT |
266 | /* The address of an R_IHCONST should always be the address of |
267 | the immediately preceding R_IHIHALF. relocs generated by gas | |
268 | are correct, but relocs generated by High C are different (I | |
269 | can't figure out what the address means for High C). We can | |
270 | handle both gas and High C by ignoring the address here, and | |
271 | simply reusing the address saved for R_IHIHALF. */ | |
272 | if (ihihalf_vaddr == (bfd_vma) -1) | |
273 | abort (); | |
274 | relent->address = ihihalf_vaddr; | |
275 | ihihalf_vaddr = (bfd_vma) -1; | |
6cba8f4b | 276 | relent->addend = reloc->r_symndx; |
badd23e3 | 277 | relent->sym_ptr_ptr= bfd_abs_section_ptr->symbol_ptr_ptr; |
6cba8f4b SC |
278 | } |
279 | else | |
280 | { | |
281 | asymbol *ptr; | |
282 | relent->sym_ptr_ptr = symbols + obj_convert(abfd)[reloc->r_symndx]; | |
283 | ||
284 | ptr = *(relent->sym_ptr_ptr); | |
285 | ||
286 | if (ptr | |
0e238aa7 | 287 | && bfd_asymbol_bfd(ptr) == abfd |
859f11ff | 288 | |
6cba8f4b SC |
289 | && ((ptr->flags & BSF_OLD_COMMON)== 0)) |
290 | { | |
859f11ff | 291 | relent->addend = 0; |
6cba8f4b SC |
292 | } |
293 | else | |
294 | { | |
295 | relent->addend = 0; | |
296 | } | |
297 | relent->address-= section->vma; | |
09ed3666 ILT |
298 | if (reloc->r_type == R_IHIHALF) |
299 | ihihalf_vaddr = relent->address; | |
300 | else if (ihihalf_vaddr != (bfd_vma) -1) | |
301 | abort (); | |
6cba8f4b SC |
302 | } |
303 | } | |
3b4f1a5d | 304 | |
69645d10 ILT |
305 | /* The reloc processing routine for the optimized COFF linker. */ |
306 | ||
307 | static boolean | |
308 | coff_a29k_relocate_section (output_bfd, info, input_bfd, input_section, | |
309 | contents, relocs, syms, sections) | |
310 | bfd *output_bfd; | |
311 | struct bfd_link_info *info; | |
312 | bfd *input_bfd; | |
313 | asection *input_section; | |
314 | bfd_byte *contents; | |
315 | struct internal_reloc *relocs; | |
316 | struct internal_syment *syms; | |
317 | asection **sections; | |
318 | { | |
319 | struct internal_reloc *rel; | |
320 | struct internal_reloc *relend; | |
321 | boolean hihalf; | |
322 | bfd_vma hihalf_val; | |
323 | ||
324 | /* If we are performing a relocateable link, we don't need to do a | |
325 | thing. The caller will take care of adjusting the reloc | |
326 | addresses and symbol indices. */ | |
327 | if (info->relocateable) | |
328 | return true; | |
329 | ||
330 | hihalf = false; | |
331 | hihalf_val = 0; | |
332 | ||
333 | rel = relocs; | |
334 | relend = rel + input_section->reloc_count; | |
335 | for (; rel < relend; rel++) | |
336 | { | |
337 | long symndx; | |
338 | bfd_byte *loc; | |
339 | struct coff_link_hash_entry *h; | |
340 | struct internal_syment *sym; | |
341 | asection *sec; | |
342 | bfd_vma val; | |
343 | boolean overflow; | |
344 | unsigned long insn; | |
345 | long signed_value; | |
346 | unsigned long unsigned_value; | |
347 | bfd_reloc_status_type rstat; | |
348 | ||
349 | symndx = rel->r_symndx; | |
350 | loc = contents + rel->r_vaddr - input_section->vma; | |
351 | ||
2a895595 ILT |
352 | if (symndx == -1) |
353 | h = NULL; | |
354 | else | |
355 | h = obj_coff_sym_hashes (input_bfd)[symndx]; | |
69645d10 ILT |
356 | |
357 | sym = NULL; | |
358 | sec = NULL; | |
359 | val = 0; | |
360 | ||
361 | /* An R_IHCONST reloc does not have a symbol. Instead, the | |
362 | symbol index is an addend. R_IHCONST is always used in | |
363 | conjunction with R_IHHALF. */ | |
364 | if (rel->r_type != R_IHCONST) | |
365 | { | |
366 | if (h == NULL) | |
367 | { | |
2a895595 ILT |
368 | if (symndx == -1) |
369 | sec = bfd_abs_section_ptr; | |
370 | else | |
371 | { | |
372 | sym = syms + symndx; | |
373 | sec = sections[symndx]; | |
374 | val = (sec->output_section->vma | |
375 | + sec->output_offset | |
376 | + sym->n_value | |
377 | - sec->vma); | |
378 | } | |
69645d10 ILT |
379 | } |
380 | else | |
381 | { | |
6c97aedf ILT |
382 | if (h->root.type == bfd_link_hash_defined |
383 | || h->root.type == bfd_link_hash_defweak) | |
69645d10 ILT |
384 | { |
385 | sec = h->root.u.def.section; | |
386 | val = (h->root.u.def.value | |
387 | + sec->output_section->vma | |
388 | + sec->output_offset); | |
389 | } | |
390 | else | |
391 | { | |
392 | if (! ((*info->callbacks->undefined_symbol) | |
393 | (info, h->root.root.string, input_bfd, input_section, | |
394 | rel->r_vaddr - input_section->vma))) | |
395 | return false; | |
396 | } | |
397 | } | |
398 | ||
399 | if (hihalf) | |
400 | { | |
401 | if (! ((*info->callbacks->reloc_dangerous) | |
402 | (info, "missing IHCONST reloc", input_bfd, | |
403 | input_section, rel->r_vaddr - input_section->vma))) | |
404 | return false; | |
405 | hihalf = false; | |
406 | } | |
407 | } | |
408 | ||
409 | overflow = false; | |
410 | ||
411 | switch (rel->r_type) | |
412 | { | |
413 | default: | |
414 | bfd_set_error (bfd_error_bad_value); | |
415 | return false; | |
416 | ||
417 | case R_IREL: | |
418 | insn = bfd_get_32 (input_bfd, loc); | |
419 | ||
420 | /* Extract the addend. */ | |
421 | signed_value = EXTRACT_HWORD (insn); | |
422 | signed_value = SIGN_EXTEND_HWORD (signed_value); | |
423 | signed_value <<= 2; | |
424 | ||
425 | /* Determine the destination of the jump. */ | |
426 | signed_value += val + rel->r_vaddr - input_section->vma; | |
427 | ||
428 | if ((signed_value & ~0x3ffff) == 0) | |
429 | { | |
430 | /* We can use an absolute jump. */ | |
431 | insn |= (1 << 24); | |
432 | } | |
433 | else | |
434 | { | |
435 | /* Make the destination PC relative. */ | |
436 | signed_value -= (input_section->output_section->vma | |
437 | + input_section->output_offset | |
438 | + (rel->r_vaddr - input_section->vma)); | |
439 | if (signed_value > 0x1ffff || signed_value < - 0x20000) | |
440 | { | |
441 | overflow = true; | |
442 | signed_value = 0; | |
443 | } | |
444 | } | |
445 | ||
446 | /* Put the adjusted value back into the instruction. */ | |
447 | signed_value >>= 2; | |
448 | insn = INSERT_HWORD (insn, signed_value); | |
449 | ||
450 | bfd_put_32 (input_bfd, (bfd_vma) insn, loc); | |
451 | ||
452 | break; | |
453 | ||
454 | case R_ILOHALF: | |
455 | insn = bfd_get_32 (input_bfd, loc); | |
456 | unsigned_value = EXTRACT_HWORD (insn); | |
457 | unsigned_value += val; | |
458 | insn = INSERT_HWORD (insn, unsigned_value); | |
459 | bfd_put_32 (input_bfd, insn, loc); | |
460 | break; | |
461 | ||
462 | case R_IHIHALF: | |
463 | /* Save the value for the R_IHCONST reloc. */ | |
464 | hihalf = true; | |
465 | hihalf_val = val; | |
466 | break; | |
467 | ||
468 | case R_IHCONST: | |
469 | if (! hihalf) | |
470 | { | |
471 | if (! ((*info->callbacks->reloc_dangerous) | |
472 | (info, "missing IHIHALF reloc", input_bfd, | |
473 | input_section, rel->r_vaddr - input_section->vma))) | |
474 | return false; | |
475 | hihalf_val = 0; | |
476 | } | |
477 | ||
478 | insn = bfd_get_32 (input_bfd, loc); | |
479 | unsigned_value = rel->r_symndx + hihalf_val; | |
480 | unsigned_value >>= 16; | |
481 | insn = INSERT_HWORD (insn, unsigned_value); | |
482 | bfd_put_32 (input_bfd, (bfd_vma) insn, loc); | |
483 | ||
484 | hihalf = false; | |
485 | ||
486 | break; | |
487 | ||
488 | case R_BYTE: | |
489 | case R_HWORD: | |
490 | case R_WORD: | |
491 | rstat = _bfd_relocate_contents (howto_table + rel->r_type, | |
492 | input_bfd, val, loc); | |
493 | if (rstat == bfd_reloc_overflow) | |
494 | overflow = true; | |
495 | else if (rstat != bfd_reloc_ok) | |
496 | abort (); | |
497 | break; | |
498 | } | |
499 | ||
500 | if (overflow) | |
501 | { | |
502 | const char *name; | |
503 | char buf[SYMNMLEN + 1]; | |
504 | ||
2a895595 ILT |
505 | if (symndx == -1) |
506 | name = "*ABS*"; | |
507 | else if (h != NULL) | |
69645d10 ILT |
508 | name = h->root.root.string; |
509 | else if (sym == NULL) | |
510 | name = "*unknown*"; | |
511 | else if (sym->_n._n_n._n_zeroes == 0 | |
512 | && sym->_n._n_n._n_offset != 0) | |
513 | name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset; | |
514 | else | |
515 | { | |
516 | strncpy (buf, sym->_n._n_name, SYMNMLEN); | |
517 | buf[SYMNMLEN] = '\0'; | |
518 | name = buf; | |
519 | } | |
520 | ||
521 | if (! ((*info->callbacks->reloc_overflow) | |
522 | (info, name, howto_table[rel->r_type].name, (bfd_vma) 0, | |
523 | input_bfd, input_section, | |
524 | rel->r_vaddr - input_section->vma))) | |
525 | return false; | |
526 | } | |
527 | } | |
528 | ||
529 | return true; | |
530 | } | |
531 | ||
532 | #define coff_relocate_section coff_a29k_relocate_section | |
533 | ||
f135c692 ILT |
534 | /* We don't want to change the symndx of a R_IHCONST reloc, since it |
535 | is actually an addend, not a symbol index at all. */ | |
536 | ||
537 | /*ARGSUSED*/ | |
538 | static boolean | |
539 | coff_a29k_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp) | |
540 | bfd *obfd; | |
541 | struct bfd_link_info *info; | |
542 | bfd *ibfd; | |
543 | asection *sec; | |
544 | struct internal_reloc *irel; | |
545 | boolean *adjustedp; | |
546 | { | |
547 | if (irel->r_type == R_IHCONST) | |
548 | *adjustedp = true; | |
549 | else | |
550 | *adjustedp = false; | |
551 | return true; | |
552 | } | |
553 | ||
554 | #define coff_adjust_symndx coff_a29k_adjust_symndx | |
555 | ||
2013f9b4 SC |
556 | #include "coffcode.h" |
557 | ||
2f3508ad | 558 | const bfd_target a29kcoff_big_vec = |
2013f9b4 | 559 | { |
294eaca4 SC |
560 | "coff-a29k-big", /* name */ |
561 | bfd_target_coff_flavour, | |
562 | true, /* data byte order is big */ | |
563 | true, /* header byte order is big */ | |
564 | ||
565 | (HAS_RELOC | EXEC_P | /* object flags */ | |
566 | HAS_LINENO | HAS_DEBUG | | |
9f9af845 | 567 | HAS_SYMS | HAS_LOCALS | WP_TEXT), |
294eaca4 SC |
568 | |
569 | (SEC_HAS_CONTENTS | SEC_ALLOC /* section flags */ | |
570 | | SEC_LOAD | SEC_RELOC | |
571 | | SEC_READONLY ), | |
572 | '_', /* leading underscore */ | |
573 | '/', /* ar_pad_char */ | |
574 | 15, /* ar_max_namelen */ | |
294eaca4 | 575 | /* data */ |
23f44e6f ILT |
576 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
577 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
578 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
294eaca4 | 579 | /* hdrs */ |
23f44e6f ILT |
580 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
581 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
582 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
294eaca4 SC |
583 | |
584 | { | |
c2ce0738 | 585 | |
294eaca4 SC |
586 | _bfd_dummy_target, |
587 | coff_object_p, | |
588 | bfd_generic_archive_p, | |
589 | _bfd_dummy_target | |
590 | }, | |
591 | { | |
592 | bfd_false, | |
593 | coff_mkobject, | |
594 | _bfd_generic_mkarchive, | |
595 | bfd_false | |
596 | }, | |
597 | { | |
598 | bfd_false, | |
599 | coff_write_object_contents, | |
600 | _bfd_write_archive_contents, | |
601 | bfd_false | |
602 | }, | |
603 | ||
6812b607 ILT |
604 | BFD_JUMP_TABLE_GENERIC (coff), |
605 | BFD_JUMP_TABLE_COPY (coff), | |
606 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
607 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
608 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
609 | BFD_JUMP_TABLE_RELOCS (coff), | |
610 | BFD_JUMP_TABLE_WRITE (coff), | |
611 | BFD_JUMP_TABLE_LINK (coff), | |
dfc1c006 | 612 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), |
6812b607 | 613 | |
294eaca4 | 614 | COFF_SWAP_TABLE |
c2ce0738 | 615 | }; |