projects / deliverable / binutils-gdb.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Regen POTFILES.in
[deliverable/binutils-gdb.git] / bfd / elf-m10300.c
CommitLineData
252b5132 1/* Matsushita 10300 specific support for 32-bit ELF
6f2750fe 2 Copyright (C) 1996-2016 Free Software Foundation, Inc.
252b5132 3
0112cd26 4 This file is part of BFD, the Binary File Descriptor library.
252b5132 5
0112cd26
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
0112cd26 9 (at your option) any later version.
252b5132 10
0112cd26
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
0112cd26
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
cd123cb7
NC		 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
252b5132 20
252b5132 21#include "sysdep.h"
3db64b00 22#include "bfd.h"
252b5132
RH		 23#include "libbfd.h"
24#include "elf-bfd.h"
25#include "elf/mn10300.h"
603b7257 26#include "libiberty.h"
917583ad 27
03a12831
AO		 28/* The mn10300 linker needs to keep track of the number of relocs that
29 it decides to copy in check_relocs for each symbol. This is so
30 that it can discard PC relative relocs if it doesn't need them when
31 linking with -Bsymbolic. We store the information in a field
32 extending the regular ELF linker hash table. */
33
603b7257
NC		 34struct elf32_mn10300_link_hash_entry
35{
252b5132
RH		 36 /* The basic elf link hash table entry. */
37 struct elf_link_hash_entry root;
38
39 /* For function symbols, the number of times this function is
40 called directly (ie by name). */
41 unsigned int direct_calls;
42
43 /* For function symbols, the size of this function's stack
44 (if <= 255 bytes). We stuff this into "call" instructions
45 to this target when it's valid and profitable to do so.
46
47 This does not include stack allocated by movm! */
48 unsigned char stack_size;
49
50 /* For function symbols, arguments (if any) for movm instruction
51 in the prologue. We stuff this value into "call" instructions
52 to the target when it's valid and profitable to do so. */
53 unsigned char movm_args;
54
4cc11e76 55 /* For function symbols, the amount of stack space that would be allocated
252b5132
RH		 56 by the movm instruction. This is redundant with movm_args, but we
57 add it to the hash table to avoid computing it over and over. */
58 unsigned char movm_stack_size;
59
60/* When set, convert all "call" instructions to this target into "calls"
61 instructions. */
62#define MN10300_CONVERT_CALL_TO_CALLS 0x1
63
64/* Used to mark functions which have had redundant parts of their
65 prologue deleted. */
66#define MN10300_DELETED_PROLOGUE_BYTES 0x2
67 unsigned char flags;
eb13e63f
DD		 68
69 /* Calculated value. */
70 bfd_vma value;
0a22ae8e
NC		 71
72#define GOT_UNKNOWN 0
73#define GOT_NORMAL 1
74#define GOT_TLS_GD 2
75#define GOT_TLS_LD 3
76#define GOT_TLS_IE 4
77 /* Used to distinguish GOT entries for TLS types from normal GOT entries. */
78 unsigned char tls_type;
252b5132
RH		 79};
80
81/* We derive a hash table from the main elf linker hash table so
82 we can store state variables and a secondary hash table without
83 resorting to global variables. */
603b7257
NC		 84struct elf32_mn10300_link_hash_table
85{
252b5132
RH		 86 /* The main hash table. */
87 struct elf_link_hash_table root;
88
89 /* A hash table for static functions. We could derive a new hash table
90 instead of using the full elf32_mn10300_link_hash_table if we wanted
91 to save some memory. */
92 struct elf32_mn10300_link_hash_table *static_hash_table;
93
94 /* Random linker state flags. */
95#define MN10300_HASH_ENTRIES_INITIALIZED 0x1
96 char flags;
0a22ae8e
NC		 97 struct
98 {
99 bfd_signed_vma refcount;
100 bfd_vma offset;
101 char got_allocated;
102 char rel_emitted;
103 } tls_ldm_got;
252b5132
RH		 104};
105
0a22ae8e
NC		 106#define elf_mn10300_hash_entry(ent) ((struct elf32_mn10300_link_hash_entry *)(ent))
107
108struct elf_mn10300_obj_tdata
109{
110 struct elf_obj_tdata root;
111
112 /* tls_type for each local got entry. */
113 char * local_got_tls_type;
114};
115
116#define elf_mn10300_tdata(abfd) \
117 ((struct elf_mn10300_obj_tdata *) (abfd)->tdata.any)
118
119#define elf_mn10300_local_got_tls_type(abfd) \
120 (elf_mn10300_tdata (abfd)->local_got_tls_type)
121
603b7257
NC		 122#ifndef streq
123#define streq(a, b) (strcmp ((a),(b)) == 0)
124#endif
125
252b5132
RH		 126/* For MN10300 linker hash table. */
127
128/* Get the MN10300 ELF linker hash table from a link_info structure. */
129
130#define elf32_mn10300_hash_table(p) \
4dfe6ac6
NC		 131 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
132 == MN10300_ELF_DATA ? ((struct elf32_mn10300_link_hash_table *) ((p)->hash)) : NULL)
252b5132
RH		 133
134#define elf32_mn10300_link_hash_traverse(table, func, info) \
135 (elf_link_hash_traverse \
136 (&(table)->root, \
603b7257 137 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
252b5132
RH		 138 (info)))
139
603b7257
NC		 140static reloc_howto_type elf_mn10300_howto_table[] =
141{
252b5132
RH		 142 /* Dummy relocation. Does nothing. */
143 HOWTO (R_MN10300_NONE,
144 0,
6346d5ca
AM		 145 3,
146 0,
b34976b6 147 FALSE,
252b5132 148 0,
6346d5ca 149 complain_overflow_dont,
252b5132
RH		 150 bfd_elf_generic_reloc,
151 "R_MN10300_NONE",
b34976b6 152 FALSE,
252b5132
RH		 153 0,
154 0,
b34976b6 155 FALSE),
252b5132
RH		 156 /* Standard 32 bit reloc. */
157 HOWTO (R_MN10300_32,
158 0,
159 2,
160 32,
b34976b6 161 FALSE,
252b5132
RH		 162 0,
163 complain_overflow_bitfield,
164 bfd_elf_generic_reloc,
165 "R_MN10300_32",
b34976b6 166 FALSE,
252b5132
RH		 167 0xffffffff,
168 0xffffffff,
b34976b6 169 FALSE),
252b5132
RH		 170 /* Standard 16 bit reloc. */
171 HOWTO (R_MN10300_16,
172 0,
173 1,
174 16,
b34976b6 175 FALSE,
252b5132
RH		 176 0,
177 complain_overflow_bitfield,
178 bfd_elf_generic_reloc,
179 "R_MN10300_16",
b34976b6 180 FALSE,
252b5132
RH		 181 0xffff,
182 0xffff,
b34976b6 183 FALSE),
252b5132
RH		 184 /* Standard 8 bit reloc. */
185 HOWTO (R_MN10300_8,
186 0,
187 0,
188 8,
b34976b6 189 FALSE,
252b5132
RH		 190 0,
191 complain_overflow_bitfield,
192 bfd_elf_generic_reloc,
193 "R_MN10300_8",
b34976b6 194 FALSE,
252b5132
RH		 195 0xff,
196 0xff,
b34976b6 197 FALSE),
252b5132
RH		 198 /* Standard 32bit pc-relative reloc. */
199 HOWTO (R_MN10300_PCREL32,
200 0,
201 2,
202 32,
b34976b6 203 TRUE,
252b5132
RH		 204 0,
205 complain_overflow_bitfield,
206 bfd_elf_generic_reloc,
207 "R_MN10300_PCREL32",
b34976b6 208 FALSE,
252b5132
RH		 209 0xffffffff,
210 0xffffffff,
b34976b6 211 TRUE),
252b5132
RH		 212 /* Standard 16bit pc-relative reloc. */
213 HOWTO (R_MN10300_PCREL16,
214 0,
215 1,
216 16,
b34976b6 217 TRUE,
252b5132
RH		 218 0,
219 complain_overflow_bitfield,
220 bfd_elf_generic_reloc,
221 "R_MN10300_PCREL16",
b34976b6 222 FALSE,
252b5132
RH		 223 0xffff,
224 0xffff,
b34976b6 225 TRUE),
252b5132
RH		 226 /* Standard 8 pc-relative reloc. */
227 HOWTO (R_MN10300_PCREL8,
228 0,
229 0,
230 8,
b34976b6 231 TRUE,
252b5132
RH		 232 0,
233 complain_overflow_bitfield,
234 bfd_elf_generic_reloc,
235 "R_MN10300_PCREL8",
b34976b6 236 FALSE,
252b5132
RH		 237 0xff,
238 0xff,
b34976b6 239 TRUE),
252b5132 240
603b7257 241 /* GNU extension to record C++ vtable hierarchy. */
252b5132
RH		 242 HOWTO (R_MN10300_GNU_VTINHERIT, /* type */
243 0, /* rightshift */
244 0, /* size (0 = byte, 1 = short, 2 = long) */
245 0, /* bitsize */
b34976b6 246 FALSE, /* pc_relative */
252b5132
RH		 247 0, /* bitpos */
248 complain_overflow_dont, /* complain_on_overflow */
249 NULL, /* special_function */
250 "R_MN10300_GNU_VTINHERIT", /* name */
b34976b6 251 FALSE, /* partial_inplace */
252b5132
RH		 252 0, /* src_mask */
253 0, /* dst_mask */
b34976b6 254 FALSE), /* pcrel_offset */
252b5132
RH		 255
256 /* GNU extension to record C++ vtable member usage */
257 HOWTO (R_MN10300_GNU_VTENTRY, /* type */
258 0, /* rightshift */
259 0, /* size (0 = byte, 1 = short, 2 = long) */
260 0, /* bitsize */
b34976b6 261 FALSE, /* pc_relative */
252b5132
RH		 262 0, /* bitpos */
263 complain_overflow_dont, /* complain_on_overflow */
264 NULL, /* special_function */
265 "R_MN10300_GNU_VTENTRY", /* name */
b34976b6 266 FALSE, /* partial_inplace */
252b5132
RH		 267 0, /* src_mask */
268 0, /* dst_mask */
b34976b6 269 FALSE), /* pcrel_offset */
252b5132
RH		 270
271 /* Standard 24 bit reloc. */
272 HOWTO (R_MN10300_24,
273 0,
274 2,
275 24,
b34976b6 276 FALSE,
252b5132
RH		 277 0,
278 complain_overflow_bitfield,
279 bfd_elf_generic_reloc,
280 "R_MN10300_24",
b34976b6 281 FALSE,
252b5132
RH		 282 0xffffff,
283 0xffffff,
b34976b6 284 FALSE),
03a12831
AO		 285 HOWTO (R_MN10300_GOTPC32, /* type */
286 0, /* rightshift */
287 2, /* size (0 = byte, 1 = short, 2 = long) */
288 32, /* bitsize */
289 TRUE, /* pc_relative */
290 0, /* bitpos */
291 complain_overflow_bitfield, /* complain_on_overflow */
292 bfd_elf_generic_reloc, /* */
293 "R_MN10300_GOTPC32", /* name */
294 FALSE, /* partial_inplace */
295 0xffffffff, /* src_mask */
296 0xffffffff, /* dst_mask */
297 TRUE), /* pcrel_offset */
298
299 HOWTO (R_MN10300_GOTPC16, /* type */
300 0, /* rightshift */
301 1, /* size (0 = byte, 1 = short, 2 = long) */
302 16, /* bitsize */
303 TRUE, /* pc_relative */
304 0, /* bitpos */
305 complain_overflow_bitfield, /* complain_on_overflow */
306 bfd_elf_generic_reloc, /* */
307 "R_MN10300_GOTPC16", /* name */
308 FALSE, /* partial_inplace */
309 0xffff, /* src_mask */
310 0xffff, /* dst_mask */
311 TRUE), /* pcrel_offset */
312
313 HOWTO (R_MN10300_GOTOFF32, /* type */
314 0, /* rightshift */
315 2, /* size (0 = byte, 1 = short, 2 = long) */
316 32, /* bitsize */
317 FALSE, /* pc_relative */
318 0, /* bitpos */
319 complain_overflow_bitfield, /* complain_on_overflow */
320 bfd_elf_generic_reloc, /* */
321 "R_MN10300_GOTOFF32", /* name */
322 FALSE, /* partial_inplace */
323 0xffffffff, /* src_mask */
324 0xffffffff, /* dst_mask */
325 FALSE), /* pcrel_offset */
326
327 HOWTO (R_MN10300_GOTOFF24, /* type */
328 0, /* rightshift */
329 2, /* size (0 = byte, 1 = short, 2 = long) */
330 24, /* bitsize */
331 FALSE, /* pc_relative */
332 0, /* bitpos */
333 complain_overflow_bitfield, /* complain_on_overflow */
334 bfd_elf_generic_reloc, /* */
335 "R_MN10300_GOTOFF24", /* name */
336 FALSE, /* partial_inplace */
337 0xffffff, /* src_mask */
338 0xffffff, /* dst_mask */
339 FALSE), /* pcrel_offset */
340
341 HOWTO (R_MN10300_GOTOFF16, /* type */
342 0, /* rightshift */
343 1, /* size (0 = byte, 1 = short, 2 = long) */
344 16, /* bitsize */
345 FALSE, /* pc_relative */
346 0, /* bitpos */
347 complain_overflow_bitfield, /* complain_on_overflow */
348 bfd_elf_generic_reloc, /* */
349 "R_MN10300_GOTOFF16", /* name */
350 FALSE, /* partial_inplace */
351 0xffff, /* src_mask */
352 0xffff, /* dst_mask */
353 FALSE), /* pcrel_offset */
354
355 HOWTO (R_MN10300_PLT32, /* type */
356 0, /* rightshift */
357 2, /* size (0 = byte, 1 = short, 2 = long) */
358 32, /* bitsize */
359 TRUE, /* pc_relative */
360 0, /* bitpos */
361 complain_overflow_bitfield, /* complain_on_overflow */
362 bfd_elf_generic_reloc, /* */
363 "R_MN10300_PLT32", /* name */
364 FALSE, /* partial_inplace */
365 0xffffffff, /* src_mask */
366 0xffffffff, /* dst_mask */
367 TRUE), /* pcrel_offset */
368
369 HOWTO (R_MN10300_PLT16, /* type */
370 0, /* rightshift */
371 1, /* size (0 = byte, 1 = short, 2 = long) */
372 16, /* bitsize */
373 TRUE, /* pc_relative */
374 0, /* bitpos */
375 complain_overflow_bitfield, /* complain_on_overflow */
376 bfd_elf_generic_reloc, /* */
377 "R_MN10300_PLT16", /* name */
378 FALSE, /* partial_inplace */
379 0xffff, /* src_mask */
380 0xffff, /* dst_mask */
381 TRUE), /* pcrel_offset */
382
383 HOWTO (R_MN10300_GOT32, /* type */
384 0, /* rightshift */
385 2, /* size (0 = byte, 1 = short, 2 = long) */
386 32, /* bitsize */
387 FALSE, /* pc_relative */
388 0, /* bitpos */
389 complain_overflow_bitfield, /* complain_on_overflow */
390 bfd_elf_generic_reloc, /* */
391 "R_MN10300_GOT32", /* name */
392 FALSE, /* partial_inplace */
393 0xffffffff, /* src_mask */
394 0xffffffff, /* dst_mask */
395 FALSE), /* pcrel_offset */
396
397 HOWTO (R_MN10300_GOT24, /* type */
398 0, /* rightshift */
399 2, /* size (0 = byte, 1 = short, 2 = long) */
400 24, /* bitsize */
401 FALSE, /* pc_relative */
402 0, /* bitpos */
403 complain_overflow_bitfield, /* complain_on_overflow */
404 bfd_elf_generic_reloc, /* */
405 "R_MN10300_GOT24", /* name */
406 FALSE, /* partial_inplace */
407 0xffffffff, /* src_mask */
408 0xffffffff, /* dst_mask */
409 FALSE), /* pcrel_offset */
410
411 HOWTO (R_MN10300_GOT16, /* type */
412 0, /* rightshift */
413 1, /* size (0 = byte, 1 = short, 2 = long) */
414 16, /* bitsize */
415 FALSE, /* pc_relative */
416 0, /* bitpos */
417 complain_overflow_bitfield, /* complain_on_overflow */
418 bfd_elf_generic_reloc, /* */
419 "R_MN10300_GOT16", /* name */
420 FALSE, /* partial_inplace */
421 0xffffffff, /* src_mask */
422 0xffffffff, /* dst_mask */
423 FALSE), /* pcrel_offset */
424
425 HOWTO (R_MN10300_COPY, /* type */
426 0, /* rightshift */
427 2, /* size (0 = byte, 1 = short, 2 = long) */
428 32, /* bitsize */
429 FALSE, /* pc_relative */
430 0, /* bitpos */
431 complain_overflow_bitfield, /* complain_on_overflow */
432 bfd_elf_generic_reloc, /* */
433 "R_MN10300_COPY", /* name */
434 FALSE, /* partial_inplace */
435 0xffffffff, /* src_mask */
436 0xffffffff, /* dst_mask */
437 FALSE), /* pcrel_offset */
438
439 HOWTO (R_MN10300_GLOB_DAT, /* type */
440 0, /* rightshift */
441 2, /* size (0 = byte, 1 = short, 2 = long) */
442 32, /* bitsize */
443 FALSE, /* pc_relative */
444 0, /* bitpos */
445 complain_overflow_bitfield, /* complain_on_overflow */
446 bfd_elf_generic_reloc, /* */
447 "R_MN10300_GLOB_DAT", /* name */
448 FALSE, /* partial_inplace */
449 0xffffffff, /* src_mask */
450 0xffffffff, /* dst_mask */
451 FALSE), /* pcrel_offset */
452
453 HOWTO (R_MN10300_JMP_SLOT, /* type */
454 0, /* rightshift */
455 2, /* size (0 = byte, 1 = short, 2 = long) */
456 32, /* bitsize */
457 FALSE, /* pc_relative */
458 0, /* bitpos */
459 complain_overflow_bitfield, /* complain_on_overflow */
460 bfd_elf_generic_reloc, /* */
461 "R_MN10300_JMP_SLOT", /* name */
462 FALSE, /* partial_inplace */
463 0xffffffff, /* src_mask */
464 0xffffffff, /* dst_mask */
465 FALSE), /* pcrel_offset */
466
467 HOWTO (R_MN10300_RELATIVE, /* type */
468 0, /* rightshift */
469 2, /* size (0 = byte, 1 = short, 2 = long) */
470 32, /* bitsize */
471 FALSE, /* pc_relative */
472 0, /* bitpos */
473 complain_overflow_bitfield, /* complain_on_overflow */
474 bfd_elf_generic_reloc, /* */
475 "R_MN10300_RELATIVE", /* name */
476 FALSE, /* partial_inplace */
477 0xffffffff, /* src_mask */
478 0xffffffff, /* dst_mask */
479 FALSE), /* pcrel_offset */
bfff1642 480
0a22ae8e
NC		 481 HOWTO (R_MN10300_TLS_GD, /* type */
482 0, /* rightshift */
483 2, /* size (0 = byte, 1 = short, 2 = long) */
484 32, /* bitsize */
485 FALSE, /* pc_relative */
486 0, /* bitpos */
487 complain_overflow_bitfield, /* complain_on_overflow */
488 bfd_elf_generic_reloc, /* */
489 "R_MN10300_TLS_GD", /* name */
490 FALSE, /* partial_inplace */
491 0xffffffff, /* src_mask */
492 0xffffffff, /* dst_mask */
493 FALSE), /* pcrel_offset */
494
495 HOWTO (R_MN10300_TLS_LD, /* type */
496 0, /* rightshift */
497 2, /* size (0 = byte, 1 = short, 2 = long) */
498 32, /* bitsize */
499 FALSE, /* pc_relative */
500 0, /* bitpos */
501 complain_overflow_bitfield, /* complain_on_overflow */
502 bfd_elf_generic_reloc, /* */
503 "R_MN10300_TLS_LD", /* name */
504 FALSE, /* partial_inplace */
505 0xffffffff, /* src_mask */
506 0xffffffff, /* dst_mask */
507 FALSE), /* pcrel_offset */
508
509 HOWTO (R_MN10300_TLS_LDO, /* type */
510 0, /* rightshift */
511 2, /* size (0 = byte, 1 = short, 2 = long) */
512 32, /* bitsize */
513 FALSE, /* pc_relative */
514 0, /* bitpos */
515 complain_overflow_bitfield, /* complain_on_overflow */
516 bfd_elf_generic_reloc, /* */
517 "R_MN10300_TLS_LDO", /* name */
518 FALSE, /* partial_inplace */
519 0xffffffff, /* src_mask */
520 0xffffffff, /* dst_mask */
521 FALSE), /* pcrel_offset */
522
523 HOWTO (R_MN10300_TLS_GOTIE, /* type */
524 0, /* rightshift */
525 2, /* size (0 = byte, 1 = short, 2 = long) */
526 32, /* bitsize */
527 FALSE, /* pc_relative */
528 0, /* bitpos */
529 complain_overflow_bitfield, /* complain_on_overflow */
530 bfd_elf_generic_reloc, /* */
531 "R_MN10300_TLS_GOTIE", /* name */
532 FALSE, /* partial_inplace */
533 0xffffffff, /* src_mask */
534 0xffffffff, /* dst_mask */
535 FALSE), /* pcrel_offset */
536
537 HOWTO (R_MN10300_TLS_IE, /* type */
538 0, /* rightshift */
539 2, /* size (0 = byte, 1 = short, 2 = long) */
540 32, /* bitsize */
541 FALSE, /* pc_relative */
542 0, /* bitpos */
543 complain_overflow_bitfield, /* complain_on_overflow */
544 bfd_elf_generic_reloc, /* */
545 "R_MN10300_TLS_IE", /* name */
546 FALSE, /* partial_inplace */
547 0xffffffff, /* src_mask */
548 0xffffffff, /* dst_mask */
549 FALSE), /* pcrel_offset */
550
551 HOWTO (R_MN10300_TLS_LE, /* type */
552 0, /* rightshift */
553 2, /* size (0 = byte, 1 = short, 2 = long) */
554 32, /* bitsize */
555 FALSE, /* pc_relative */
556 0, /* bitpos */
557 complain_overflow_bitfield, /* complain_on_overflow */
558 bfd_elf_generic_reloc, /* */
559 "R_MN10300_TLS_LE", /* name */
560 FALSE, /* partial_inplace */
561 0xffffffff, /* src_mask */
562 0xffffffff, /* dst_mask */
563 FALSE), /* pcrel_offset */
564
565 HOWTO (R_MN10300_TLS_DTPMOD, /* type */
566 0, /* rightshift */
567 2, /* size (0 = byte, 1 = short, 2 = long) */
568 32, /* bitsize */
569 FALSE, /* pc_relative */
570 0, /* bitpos */
571 complain_overflow_bitfield, /* complain_on_overflow */
572 bfd_elf_generic_reloc, /* */
573 "R_MN10300_TLS_DTPMOD", /* name */
574 FALSE, /* partial_inplace */
575 0xffffffff, /* src_mask */
576 0xffffffff, /* dst_mask */
577 FALSE), /* pcrel_offset */
578
579 HOWTO (R_MN10300_TLS_DTPOFF, /* type */
580 0, /* rightshift */
581 2, /* size (0 = byte, 1 = short, 2 = long) */
582 32, /* bitsize */
583 FALSE, /* pc_relative */
584 0, /* bitpos */
585 complain_overflow_bitfield, /* complain_on_overflow */
586 bfd_elf_generic_reloc, /* */
587 "R_MN10300_TLS_DTPOFF", /* name */
588 FALSE, /* partial_inplace */
589 0xffffffff, /* src_mask */
590 0xffffffff, /* dst_mask */
591 FALSE), /* pcrel_offset */
592
593 HOWTO (R_MN10300_TLS_TPOFF, /* type */
594 0, /* rightshift */
595 2, /* size (0 = byte, 1 = short, 2 = long) */
596 32, /* bitsize */
597 FALSE, /* pc_relative */
598 0, /* bitpos */
599 complain_overflow_bitfield, /* complain_on_overflow */
600 bfd_elf_generic_reloc, /* */
601 "R_MN10300_TLS_TPOFF", /* name */
602 FALSE, /* partial_inplace */
603 0xffffffff, /* src_mask */
604 0xffffffff, /* dst_mask */
605 FALSE), /* pcrel_offset */
68ffbac6 606
bfff1642
NC		 607 HOWTO (R_MN10300_SYM_DIFF, /* type */
608 0, /* rightshift */
609 2, /* size (0 = byte, 1 = short, 2 = long) */
610 32, /* bitsize */
611 FALSE, /* pc_relative */
612 0, /* bitpos */
613 complain_overflow_dont,/* complain_on_overflow */
614 NULL, /* special handler. */
615 "R_MN10300_SYM_DIFF", /* name */
616 FALSE, /* partial_inplace */
617 0xffffffff, /* src_mask */
618 0xffffffff, /* dst_mask */
569006e5
NC		 619 FALSE), /* pcrel_offset */
620
621 HOWTO (R_MN10300_ALIGN, /* type */
622 0, /* rightshift */
623 0, /* size (0 = byte, 1 = short, 2 = long) */
624 32, /* bitsize */
625 FALSE, /* pc_relative */
626 0, /* bitpos */
627 complain_overflow_dont,/* complain_on_overflow */
628 NULL, /* special handler. */
629 "R_MN10300_ALIGN", /* name */
630 FALSE, /* partial_inplace */
631 0, /* src_mask */
632 0, /* dst_mask */
bfff1642 633 FALSE) /* pcrel_offset */
252b5132
RH		 634};
635
603b7257
NC		 636struct mn10300_reloc_map
637{
252b5132
RH		 638 bfd_reloc_code_real_type bfd_reloc_val;
639 unsigned char elf_reloc_val;
640};
641
603b7257
NC		 642static const struct mn10300_reloc_map mn10300_reloc_map[] =
643{
252b5132
RH		 644 { BFD_RELOC_NONE, R_MN10300_NONE, },
645 { BFD_RELOC_32, R_MN10300_32, },
646 { BFD_RELOC_16, R_MN10300_16, },
647 { BFD_RELOC_8, R_MN10300_8, },
648 { BFD_RELOC_32_PCREL, R_MN10300_PCREL32, },
649 { BFD_RELOC_16_PCREL, R_MN10300_PCREL16, },
650 { BFD_RELOC_8_PCREL, R_MN10300_PCREL8, },
651 { BFD_RELOC_24, R_MN10300_24, },
652 { BFD_RELOC_VTABLE_INHERIT, R_MN10300_GNU_VTINHERIT },
653 { BFD_RELOC_VTABLE_ENTRY, R_MN10300_GNU_VTENTRY },
03a12831
AO		 654 { BFD_RELOC_32_GOT_PCREL, R_MN10300_GOTPC32 },
655 { BFD_RELOC_16_GOT_PCREL, R_MN10300_GOTPC16 },
656 { BFD_RELOC_32_GOTOFF, R_MN10300_GOTOFF32 },
657 { BFD_RELOC_MN10300_GOTOFF24, R_MN10300_GOTOFF24 },
658 { BFD_RELOC_16_GOTOFF, R_MN10300_GOTOFF16 },
659 { BFD_RELOC_32_PLT_PCREL, R_MN10300_PLT32 },
660 { BFD_RELOC_16_PLT_PCREL, R_MN10300_PLT16 },
661 { BFD_RELOC_MN10300_GOT32, R_MN10300_GOT32 },
662 { BFD_RELOC_MN10300_GOT24, R_MN10300_GOT24 },
663 { BFD_RELOC_MN10300_GOT16, R_MN10300_GOT16 },
664 { BFD_RELOC_MN10300_COPY, R_MN10300_COPY },
665 { BFD_RELOC_MN10300_GLOB_DAT, R_MN10300_GLOB_DAT },
666 { BFD_RELOC_MN10300_JMP_SLOT, R_MN10300_JMP_SLOT },
667 { BFD_RELOC_MN10300_RELATIVE, R_MN10300_RELATIVE },
0a22ae8e
NC		 668 { BFD_RELOC_MN10300_TLS_GD, R_MN10300_TLS_GD },
669 { BFD_RELOC_MN10300_TLS_LD, R_MN10300_TLS_LD },
670 { BFD_RELOC_MN10300_TLS_LDO, R_MN10300_TLS_LDO },
671 { BFD_RELOC_MN10300_TLS_GOTIE, R_MN10300_TLS_GOTIE },
672 { BFD_RELOC_MN10300_TLS_IE, R_MN10300_TLS_IE },
673 { BFD_RELOC_MN10300_TLS_LE, R_MN10300_TLS_LE },
674 { BFD_RELOC_MN10300_TLS_DTPMOD, R_MN10300_TLS_DTPMOD },
675 { BFD_RELOC_MN10300_TLS_DTPOFF, R_MN10300_TLS_DTPOFF },
676 { BFD_RELOC_MN10300_TLS_TPOFF, R_MN10300_TLS_TPOFF },
569006e5
NC		 677 { BFD_RELOC_MN10300_SYM_DIFF, R_MN10300_SYM_DIFF },
678 { BFD_RELOC_MN10300_ALIGN, R_MN10300_ALIGN }
252b5132
RH		 679};
680
03a12831
AO		 681/* Create the GOT section. */
682
683static bfd_boolean
603b7257
NC		 684_bfd_mn10300_elf_create_got_section (bfd * abfd,
685 struct bfd_link_info * info)
03a12831
AO		 686{
687 flagword flags;
688 flagword pltflags;
689 asection * s;
690 struct elf_link_hash_entry * h;
9c5bfbb7 691 const struct elf_backend_data * bed = get_elf_backend_data (abfd);
3d4d4302 692 struct elf_link_hash_table *htab;
03a12831
AO		 693 int ptralign;
694
695 /* This function may be called more than once. */
3d4d4302
AM		 696 htab = elf_hash_table (info);
697 if (htab->sgot != NULL)
03a12831
AO		 698 return TRUE;
699
700 switch (bed->s->arch_size)
701 {
702 case 32:
703 ptralign = 2;
704 break;
705
706 case 64:
707 ptralign = 3;
708 break;
709
710 default:
711 bfd_set_error (bfd_error_bad_value);
712 return FALSE;
713 }
714
715 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
716 | SEC_LINKER_CREATED);
717
718 pltflags = flags;
719 pltflags |= SEC_CODE;
720 if (bed->plt_not_loaded)
721 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
722 if (bed->plt_readonly)
723 pltflags |= SEC_READONLY;
724
3d4d4302
AM		 725 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
726 htab->splt = s;
03a12831 727 if (s == NULL
03a12831
AO		 728 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
729 return FALSE;
730
d98685ac
AM		 731 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
732 .plt section. */
7325306f
RS		 733 if (bed->want_plt_sym)
734 {
735 h = _bfd_elf_define_linkage_sym (abfd, info, s,
736 "_PROCEDURE_LINKAGE_TABLE_");
3d4d4302 737 htab->hplt = h;
7325306f
RS		 738 if (h == NULL)
739 return FALSE;
740 }
03a12831 741
3d4d4302
AM		 742 s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
743 htab->sgot = s;
03a12831 744 if (s == NULL
03a12831
AO		 745 || ! bfd_set_section_alignment (abfd, s, ptralign))
746 return FALSE;
747
748 if (bed->want_got_plt)
749 {
3d4d4302
AM		 750 s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
751 htab->sgotplt = s;
03a12831 752 if (s == NULL
03a12831
AO		 753 || ! bfd_set_section_alignment (abfd, s, ptralign))
754 return FALSE;
755 }
756
757 /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
758 (or .got.plt) section. We don't do this in the linker script
759 because we don't want to define the symbol if we are not creating
760 a global offset table. */
d98685ac 761 h = _bfd_elf_define_linkage_sym (abfd, info, s, "_GLOBAL_OFFSET_TABLE_");
3d4d4302 762 htab->hgot = h;
d98685ac
AM		 763 if (h == NULL)
764 return FALSE;
03a12831
AO		 765
766 /* The first bit of the global offset table is the header. */
3b36f7e6 767 s->size += bed->got_header_size;
03a12831
AO		 768
769 return TRUE;
770}
771
252b5132 772static reloc_howto_type *
603b7257
NC		 773bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
774 bfd_reloc_code_real_type code)
252b5132
RH		 775{
776 unsigned int i;
777
603b7257
NC		 778 for (i = ARRAY_SIZE (mn10300_reloc_map); i--;)
779 if (mn10300_reloc_map[i].bfd_reloc_val == code)
780 return &elf_mn10300_howto_table[mn10300_reloc_map[i].elf_reloc_val];
252b5132
RH		 781
782 return NULL;
783}
784
157090f7
AM		 785static reloc_howto_type *
786bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
787 const char *r_name)
788{
789 unsigned int i;
790
603b7257 791 for (i = ARRAY_SIZE (elf_mn10300_howto_table); i--;)
157090f7
AM		 792 if (elf_mn10300_howto_table[i].name != NULL
793 && strcasecmp (elf_mn10300_howto_table[i].name, r_name) == 0)
603b7257 794 return elf_mn10300_howto_table + i;
157090f7
AM		 795
796 return NULL;
797}
798
252b5132
RH		 799/* Set the howto pointer for an MN10300 ELF reloc. */
800
801static void
603b7257
NC		 802mn10300_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
803 arelent *cache_ptr,
804 Elf_Internal_Rela *dst)
252b5132
RH		 805{
806 unsigned int r_type;
807
808 r_type = ELF32_R_TYPE (dst->r_info);
cd21f5da
NC		 809 if (r_type >= R_MN10300_MAX)
810 {
695344c0 811 /* xgettext:c-format */
4eca0228
AM		 812 _bfd_error_handler (_("%B: unrecognised MN10300 reloc number: %d"),
813 abfd, r_type);
cd21f5da
NC		 814 bfd_set_error (bfd_error_bad_value);
815 r_type = R_MN10300_NONE;
816 }
603b7257 817 cache_ptr->howto = elf_mn10300_howto_table + r_type;
252b5132
RH		 818}
819
0a22ae8e
NC		 820static int
821elf_mn10300_tls_transition (struct bfd_link_info * info,
822 int r_type,
823 struct elf_link_hash_entry * h,
824 asection * sec,
825 bfd_boolean counting)
826{
827 bfd_boolean is_local;
828
829 if (r_type == R_MN10300_TLS_GD
830 && h != NULL
831 && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_IE)
832 return R_MN10300_TLS_GOTIE;
833
0e1862bb 834 if (bfd_link_pic (info))
0a22ae8e
NC		 835 return r_type;
836
837 if (! (sec->flags & SEC_CODE))
838 return r_type;
839
840 if (! counting && h != NULL && ! elf_hash_table (info)->dynamic_sections_created)
841 is_local = TRUE;
842 else
843 is_local = SYMBOL_CALLS_LOCAL (info, h);
844
845 /* For the main program, these are the transitions we do. */
846 switch (r_type)
847 {
848 case R_MN10300_TLS_GD: return is_local ? R_MN10300_TLS_LE : R_MN10300_TLS_GOTIE;
849 case R_MN10300_TLS_LD: return R_MN10300_NONE;
850 case R_MN10300_TLS_LDO: return R_MN10300_TLS_LE;
851 case R_MN10300_TLS_IE:
852 case R_MN10300_TLS_GOTIE: return is_local ? R_MN10300_TLS_LE : r_type;
853 }
854
855 return r_type;
856}
857
858/* Return the relocation value for @tpoff relocation
859 if STT_TLS virtual address is ADDRESS. */
860
861static bfd_vma
862dtpoff (struct bfd_link_info * info, bfd_vma address)
863{
864 struct elf_link_hash_table *htab = elf_hash_table (info);
865
866 /* If tls_sec is NULL, we should have signalled an error already. */
867 if (htab->tls_sec == NULL)
868 return 0;
869 return address - htab->tls_sec->vma;
870}
871
872/* Return the relocation value for @tpoff relocation
873 if STT_TLS virtual address is ADDRESS. */
874
875static bfd_vma
876tpoff (struct bfd_link_info * info, bfd_vma address)
877{
878 struct elf_link_hash_table *htab = elf_hash_table (info);
879
880 /* If tls_sec is NULL, we should have signalled an error already. */
881 if (htab->tls_sec == NULL)
882 return 0;
883 return address - (htab->tls_size + htab->tls_sec->vma);
884}
885
886/* Returns nonzero if there's a R_MN10300_PLT32 reloc that we now need
887 to skip, after this one. The actual value is the offset between
888 this reloc and the PLT reloc. */
889
890static int
891mn10300_do_tls_transition (bfd * input_bfd,
892 unsigned int r_type,
893 unsigned int tls_r_type,
894 bfd_byte * contents,
895 bfd_vma offset)
896{
897 bfd_byte *op = contents + offset;
898 int gotreg = 0;
899
900#define TLS_PAIR(r1,r2) ((r1) * R_MN10300_MAX + (r2))
901
902 /* This is common to all GD/LD transitions, so break it out. */
903 if (r_type == R_MN10300_TLS_GD
904 || r_type == R_MN10300_TLS_LD)
905 {
906 op -= 2;
907 /* mov imm,d0. */
908 BFD_ASSERT (bfd_get_8 (input_bfd, op) == 0xFC);
909 BFD_ASSERT (bfd_get_8 (input_bfd, op + 1) == 0xCC);
910 /* add aN,d0. */
911 BFD_ASSERT (bfd_get_8 (input_bfd, op + 6) == 0xF1);
912 gotreg = (bfd_get_8 (input_bfd, op + 7) & 0x0c) >> 2;
913 /* Call. */
914 BFD_ASSERT (bfd_get_8 (input_bfd, op + 8) == 0xDD);
915 }
916
917 switch (TLS_PAIR (r_type, tls_r_type))
918 {
919 case TLS_PAIR (R_MN10300_TLS_GD, R_MN10300_TLS_GOTIE):
920 {
921 /* Keep track of which register we put GOTptr in. */
922 /* mov (_x@indntpoff,a2),a0. */
923 memcpy (op, "\xFC\x20\x00\x00\x00\x00", 6);
924 op[1] |= gotreg;
925 /* add e2,a0. */
926 memcpy (op+6, "\xF9\x78\x28", 3);
927 /* or 0x00000000, d0 - six byte nop. */
928 memcpy (op+9, "\xFC\xE4\x00\x00\x00\x00", 6);
929 }
930 return 7;
931
932 case TLS_PAIR (R_MN10300_TLS_GD, R_MN10300_TLS_LE):
933 {
934 /* Register is *always* a0. */
935 /* mov _x@tpoff,a0. */
936 memcpy (op, "\xFC\xDC\x00\x00\x00\x00", 6);
937 /* add e2,a0. */
938 memcpy (op+6, "\xF9\x78\x28", 3);
939 /* or 0x00000000, d0 - six byte nop. */
940 memcpy (op+9, "\xFC\xE4\x00\x00\x00\x00", 6);
941 }
942 return 7;
943 case TLS_PAIR (R_MN10300_TLS_LD, R_MN10300_NONE):
944 {
945 /* Register is *always* a0. */
946 /* mov e2,a0. */
947 memcpy (op, "\xF5\x88", 2);
948 /* or 0x00000000, d0 - six byte nop. */
949 memcpy (op+2, "\xFC\xE4\x00\x00\x00\x00", 6);
950 /* or 0x00000000, e2 - seven byte nop. */
951 memcpy (op+8, "\xFE\x19\x22\x00\x00\x00\x00", 7);
952 }
953 return 7;
954
955 case TLS_PAIR (R_MN10300_TLS_LDO, R_MN10300_TLS_LE):
956 /* No changes needed, just the reloc change. */
957 return 0;
958
959 /* These are a little tricky, because we have to detect which
960 opcode is being used (they're different sizes, with the reloc
961 at different offsets within the opcode) and convert each
962 accordingly, copying the operands as needed. The conversions
963 we do are as follows (IE,GOTIE,LE):
964
965 1111 1100 1010 01Dn [-- abs32 --] MOV (x@indntpoff),Dn
966 1111 1100 0000 DnAm [-- abs32 --] MOV (x@gotntpoff,Am),Dn
967 1111 1100 1100 11Dn [-- abs32 --] MOV x@tpoff,Dn
968
969 1111 1100 1010 00An [-- abs32 --] MOV (x@indntpoff),An
970 1111 1100 0010 AnAm [-- abs32 --] MOV (x@gotntpoff,Am),An
971 1111 1100 1101 11An [-- abs32 --] MOV x@tpoff,An
972
973 1111 1110 0000 1110 Rnnn Xxxx [-- abs32 --] MOV (x@indntpoff),Rn
974 1111 1110 0000 1010 Rnnn Rmmm [-- abs32 --] MOV (x@indntpoff,Rm),Rn
975 1111 1110 0000 1000 Rnnn Xxxx [-- abs32 --] MOV x@tpoff,Rn
976
977 Since the GOT pointer is always $a2, we assume the last
978 normally won't happen, but let's be paranoid and plan for the
979 day that GCC optimizes it somewhow. */
980
981 case TLS_PAIR (R_MN10300_TLS_IE, R_MN10300_TLS_LE):
982 if (op[-2] == 0xFC)
983 {
984 op -= 2;
985 if ((op[1] & 0xFC) == 0xA4) /* Dn */
986 {
987 op[1] &= 0x03; /* Leaves Dn. */
988 op[1] |= 0xCC;
989 }
990 else /* An */
991 {
992 op[1] &= 0x03; /* Leaves An. */
993 op[1] |= 0xDC;
994 }
995 }
996 else if (op[-3] == 0xFE)
997 op[-2] = 0x08;
998 else
999 abort ();
1000 break;
1001
1002 case TLS_PAIR (R_MN10300_TLS_GOTIE, R_MN10300_TLS_LE):
1003 if (op[-2] == 0xFC)
1004 {
1005 op -= 2;
1006 if ((op[1] & 0xF0) == 0x00) /* Dn */
1007 {
1008 op[1] &= 0x0C; /* Leaves Dn. */
1009 op[1] >>= 2;
1010 op[1] |= 0xCC;
1011 }
1012 else /* An */
1013 {
1014 op[1] &= 0x0C; /* Leaves An. */
1015 op[1] >>= 2;
1016 op[1] |= 0xDC;
1017 }
1018 }
1019 else if (op[-3] == 0xFE)
1020 op[-2] = 0x08;
1021 else
1022 abort ();
1023 break;
1024
1025 default:
4eca0228 1026 _bfd_error_handler
695344c0 1027 /* xgettext:c-format */
0a22ae8e
NC		 1028 (_("%s: Unsupported transition from %s to %s"),
1029 bfd_get_filename (input_bfd),
1030 elf_mn10300_howto_table[r_type].name,
1031 elf_mn10300_howto_table[tls_r_type].name);
1032 break;
1033 }
1034#undef TLS_PAIR
1035 return 0;
1036}
1037
252b5132
RH		 1038/* Look through the relocs for a section during the first phase.
1039 Since we don't do .gots or .plts, we just need to consider the
1040 virtual table relocs for gc. */
1041
b34976b6 1042static bfd_boolean
603b7257
NC		 1043mn10300_elf_check_relocs (bfd *abfd,
1044 struct bfd_link_info *info,
1045 asection *sec,
1046 const Elf_Internal_Rela *relocs)
252b5132 1047{
0a22ae8e 1048 struct elf32_mn10300_link_hash_table * htab = elf32_mn10300_hash_table (info);
bfff1642 1049 bfd_boolean sym_diff_reloc_seen;
252b5132 1050 Elf_Internal_Shdr *symtab_hdr;
62d7f790 1051 Elf_Internal_Sym * isymbuf = NULL;
5582a088 1052 struct elf_link_hash_entry **sym_hashes;
252b5132
RH		 1053 const Elf_Internal_Rela *rel;
1054 const Elf_Internal_Rela *rel_end;
03a12831
AO		 1055 bfd * dynobj;
1056 bfd_vma * local_got_offsets;
1057 asection * sgot;
1058 asection * srelgot;
1059 asection * sreloc;
62d7f790 1060 bfd_boolean result = FALSE;
03a12831
AO		 1061
1062 sgot = NULL;
1063 srelgot = NULL;
1064 sreloc = NULL;
252b5132 1065
0e1862bb 1066 if (bfd_link_relocatable (info))
b34976b6 1067 return TRUE;
252b5132
RH		 1068
1069 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
62d7f790 1070 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
252b5132 1071 sym_hashes = elf_sym_hashes (abfd);
252b5132 1072
03a12831
AO		 1073 dynobj = elf_hash_table (info)->dynobj;
1074 local_got_offsets = elf_local_got_offsets (abfd);
252b5132 1075 rel_end = relocs + sec->reloc_count;
bfff1642 1076 sym_diff_reloc_seen = FALSE;
603b7257 1077
252b5132
RH		 1078 for (rel = relocs; rel < rel_end; rel++)
1079 {
1080 struct elf_link_hash_entry *h;
1081 unsigned long r_symndx;
62d7f790 1082 unsigned int r_type;
0a22ae8e 1083 int tls_type = GOT_NORMAL;
252b5132
RH		 1084
1085 r_symndx = ELF32_R_SYM (rel->r_info);
1086 if (r_symndx < symtab_hdr->sh_info)
1087 h = NULL;
1088 else
973a3492
L		 1089 {
1090 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1091 while (h->root.type == bfd_link_hash_indirect
1092 || h->root.type == bfd_link_hash_warning)
1093 h = (struct elf_link_hash_entry *) h->root.u.i.link;
81fbe831
AM		 1094
1095 /* PR15323, ref flags aren't set for references in the same
1096 object. */
1097 h->root.non_ir_ref = 1;
973a3492 1098 }
252b5132 1099
62d7f790 1100 r_type = ELF32_R_TYPE (rel->r_info);
0a22ae8e 1101 r_type = elf_mn10300_tls_transition (info, r_type, h, sec, TRUE);
62d7f790 1102
03a12831
AO		 1103 /* Some relocs require a global offset table. */
1104 if (dynobj == NULL)
1105 {
62d7f790 1106 switch (r_type)
03a12831
AO		 1107 {
1108 case R_MN10300_GOT32:
1109 case R_MN10300_GOT24:
1110 case R_MN10300_GOT16:
1111 case R_MN10300_GOTOFF32:
1112 case R_MN10300_GOTOFF24:
1113 case R_MN10300_GOTOFF16:
1114 case R_MN10300_GOTPC32:
1115 case R_MN10300_GOTPC16:
0a22ae8e
NC		 1116 case R_MN10300_TLS_GD:
1117 case R_MN10300_TLS_LD:
1118 case R_MN10300_TLS_GOTIE:
1119 case R_MN10300_TLS_IE:
03a12831
AO		 1120 elf_hash_table (info)->dynobj = dynobj = abfd;
1121 if (! _bfd_mn10300_elf_create_got_section (dynobj, info))
62d7f790 1122 goto fail;
03a12831
AO		 1123 break;
1124
1125 default:
1126 break;
1127 }
1128 }
1129
62d7f790 1130 switch (r_type)
252b5132
RH		 1131 {
1132 /* This relocation describes the C++ object vtable hierarchy.
1133 Reconstruct it for later use during GC. */
1134 case R_MN10300_GNU_VTINHERIT:
c152c796 1135 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
62d7f790 1136 goto fail;
252b5132
RH		 1137 break;
1138
1139 /* This relocation describes which C++ vtable entries are actually
1140 used. Record for later use during GC. */
1141 case R_MN10300_GNU_VTENTRY:
d17e0c6e
JB		 1142 BFD_ASSERT (h != NULL);
1143 if (h != NULL
1144 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
62d7f790 1145 goto fail;
252b5132 1146 break;
62d7f790 1147
0a22ae8e
NC		 1148 case R_MN10300_TLS_LD:
1149 htab->tls_ldm_got.refcount ++;
1150 tls_type = GOT_TLS_LD;
1151
1152 if (htab->tls_ldm_got.got_allocated)
1153 break;
1154 goto create_got;
1155
1156 case R_MN10300_TLS_IE:
1157 case R_MN10300_TLS_GOTIE:
0e1862bb 1158 if (bfd_link_pic (info))
0a22ae8e
NC		 1159 info->flags |= DF_STATIC_TLS;
1160 /* Fall through */
68ffbac6 1161
0a22ae8e 1162 case R_MN10300_TLS_GD:
03a12831
AO		 1163 case R_MN10300_GOT32:
1164 case R_MN10300_GOT24:
1165 case R_MN10300_GOT16:
0a22ae8e 1166 create_got:
03a12831
AO		 1167 /* This symbol requires a global offset table entry. */
1168
0a22ae8e
NC		 1169 switch (r_type)
1170 {
1171 case R_MN10300_TLS_IE:
1172 case R_MN10300_TLS_GOTIE: tls_type = GOT_TLS_IE; break;
1173 case R_MN10300_TLS_GD: tls_type = GOT_TLS_GD; break;
1174 default: tls_type = GOT_NORMAL; break;
1175 }
1176
03a12831
AO		 1177 if (sgot == NULL)
1178 {
3d4d4302 1179 sgot = htab->root.sgot;
03a12831
AO		 1180 BFD_ASSERT (sgot != NULL);
1181 }
1182
1183 if (srelgot == NULL
0e1862bb 1184 && (h != NULL || bfd_link_pic (info)))
03a12831 1185 {
3d4d4302 1186 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
03a12831
AO		 1187 if (srelgot == NULL)
1188 {
3d4d4302
AM		 1189 flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
1190 | SEC_IN_MEMORY | SEC_LINKER_CREATED
1191 | SEC_READONLY);
1192 srelgot = bfd_make_section_anyway_with_flags (dynobj,
1193 ".rela.got",
1194 flags);
03a12831 1195 if (srelgot == NULL
03a12831 1196 || ! bfd_set_section_alignment (dynobj, srelgot, 2))
62d7f790 1197 goto fail;
03a12831
AO		 1198 }
1199 }
1200
0a22ae8e
NC		 1201 if (r_type == R_MN10300_TLS_LD)
1202 {
1203 htab->tls_ldm_got.offset = sgot->size;
1204 htab->tls_ldm_got.got_allocated ++;
1205 }
1206 else if (h != NULL)
03a12831 1207 {
0a22ae8e
NC		 1208 if (elf_mn10300_hash_entry (h)->tls_type != tls_type
1209 && elf_mn10300_hash_entry (h)->tls_type != GOT_UNKNOWN)
1210 {
1211 if (tls_type == GOT_TLS_IE
1212 && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_GD)
1213 /* No change - this is ok. */;
1214 else if (tls_type == GOT_TLS_GD
1215 && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_IE)
1216 /* Transition GD->IE. */
1217 tls_type = GOT_TLS_IE;
1218 else
4eca0228 1219 _bfd_error_handler
695344c0 1220 /* xgettext:c-format */
0a22ae8e
NC		 1221 (_("%B: %s' accessed both as normal and thread local symbol"),
1222 abfd, h ? h->root.root.string : "<local>");
1223 }
1224
1225 elf_mn10300_hash_entry (h)->tls_type = tls_type;
1226
03a12831
AO		 1227 if (h->got.offset != (bfd_vma) -1)
1228 /* We have already allocated space in the .got. */
1229 break;
1230
eea6121a 1231 h->got.offset = sgot->size;
03a12831 1232
0a22ae8e
NC		 1233 if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1234 /* Make sure this symbol is output as a dynamic symbol. */
1235 && h->dynindx == -1)
03a12831 1236 {
c152c796 1237 if (! bfd_elf_link_record_dynamic_symbol (info, h))
62d7f790 1238 goto fail;
03a12831
AO		 1239 }
1240
eea6121a 1241 srelgot->size += sizeof (Elf32_External_Rela);
0a22ae8e
NC		 1242 if (r_type == R_MN10300_TLS_GD)
1243 srelgot->size += sizeof (Elf32_External_Rela);
03a12831
AO		 1244 }
1245 else
1246 {
1247 /* This is a global offset table entry for a local
3b36f7e6 1248 symbol. */
03a12831
AO		 1249 if (local_got_offsets == NULL)
1250 {
1251 size_t size;
1252 unsigned int i;
1253
0a22ae8e 1254 size = symtab_hdr->sh_info * (sizeof (bfd_vma) + sizeof (char));
603b7257 1255 local_got_offsets = bfd_alloc (abfd, size);
03a12831
AO		 1256
1257 if (local_got_offsets == NULL)
62d7f790
NC		 1258 goto fail;
1259
03a12831 1260 elf_local_got_offsets (abfd) = local_got_offsets;
0a22ae8e
NC		 1261 elf_mn10300_local_got_tls_type (abfd)
1262 = (char *) (local_got_offsets + symtab_hdr->sh_info);
03a12831
AO		 1263
1264 for (i = 0; i < symtab_hdr->sh_info; i++)
1265 local_got_offsets[i] = (bfd_vma) -1;
1266 }
1267
1268 if (local_got_offsets[r_symndx] != (bfd_vma) -1)
1269 /* We have already allocated space in the .got. */
1270 break;
1271
eea6121a 1272 local_got_offsets[r_symndx] = sgot->size;
03a12831 1273
0e1862bb 1274 if (bfd_link_pic (info))
0a22ae8e
NC		 1275 {
1276 /* If we are generating a shared object, we need to
1277 output a R_MN10300_RELATIVE reloc so that the dynamic
1278 linker can adjust this GOT entry. */
1279 srelgot->size += sizeof (Elf32_External_Rela);
1280
1281 if (r_type == R_MN10300_TLS_GD)
1282 /* And a R_MN10300_TLS_DTPOFF reloc as well. */
1283 srelgot->size += sizeof (Elf32_External_Rela);
1284 }
1285
1286 elf_mn10300_local_got_tls_type (abfd) [r_symndx] = tls_type;
03a12831
AO		 1287 }
1288
eea6121a 1289 sgot->size += 4;
0a22ae8e
NC		 1290 if (r_type == R_MN10300_TLS_GD
1291 || r_type == R_MN10300_TLS_LD)
1292 sgot->size += 4;
1293
1294 goto need_shared_relocs;
03a12831
AO		 1295
1296 case R_MN10300_PLT32:
1297 case R_MN10300_PLT16:
1298 /* This symbol requires a procedure linkage table entry. We
1299 actually build the entry in adjust_dynamic_symbol,
1300 because this might be a case of linking PIC code which is
1301 never referenced by a dynamic object, in which case we
1302 don't need to generate a procedure linkage table entry
1303 after all. */
1304
1305 /* If this is a local symbol, we resolve it directly without
1306 creating a procedure linkage table entry. */
1307 if (h == NULL)
1308 continue;
1309
1310 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1311 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
1312 break;
1313
f5385ebf 1314 h->needs_plt = 1;
03a12831
AO		 1315 break;
1316
03a12831
AO		 1317 case R_MN10300_24:
1318 case R_MN10300_16:
1319 case R_MN10300_8:
1320 case R_MN10300_PCREL32:
1321 case R_MN10300_PCREL16:
1322 case R_MN10300_PCREL8:
1323 if (h != NULL)
f5385ebf 1324 h->non_got_ref = 1;
146ccdbb 1325 break;
03a12831 1326
bfff1642
NC		 1327 case R_MN10300_SYM_DIFF:
1328 sym_diff_reloc_seen = TRUE;
1329 break;
1330
146ccdbb
AO		 1331 case R_MN10300_32:
1332 if (h != NULL)
f5385ebf 1333 h->non_got_ref = 1;
146ccdbb 1334
0a22ae8e 1335 need_shared_relocs:
bfff1642
NC		 1336 /* If we are creating a shared library, then we
1337 need to copy the reloc into the shared library. */
0e1862bb 1338 if (bfd_link_pic (info)
bfff1642
NC		 1339 && (sec->flags & SEC_ALLOC) != 0
1340 /* Do not generate a dynamic reloc for a
1341 reloc associated with a SYM_DIFF operation. */
1342 && ! sym_diff_reloc_seen)
03a12831 1343 {
bfff1642 1344 asection * sym_section = NULL;
03a12831 1345
bfff1642
NC		 1346 /* Find the section containing the
1347 symbol involved in the relocation. */
1348 if (h == NULL)
1349 {
bfff1642
NC		 1350 Elf_Internal_Sym * isym;
1351
bfff1642
NC		 1352 if (isymbuf == NULL)
1353 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
1354 symtab_hdr->sh_info, 0,
1355 NULL, NULL, NULL);
1356 if (isymbuf)
1357 {
1358 isym = isymbuf + r_symndx;
1359 /* All we care about is whether this local symbol is absolute. */
1360 if (isym->st_shndx == SHN_ABS)
1361 sym_section = bfd_abs_section_ptr;
1362 }
1363 }
1364 else
1365 {
1366 if (h->root.type == bfd_link_hash_defined
1367 || h->root.type == bfd_link_hash_defweak)
1368 sym_section = h->root.u.def.section;
1369 }
03a12831 1370
bfff1642
NC		 1371 /* If the symbol is absolute then the relocation can
1372 be resolved during linking and there is no need for
1373 a dynamic reloc. */
1374 if (sym_section != bfd_abs_section_ptr)
1375 {
1376 /* When creating a shared object, we must copy these
1377 reloc types into the output file. We create a reloc
1378 section in dynobj and make room for this reloc. */
03a12831
AO		 1379 if (sreloc == NULL)
1380 {
83bac4b0
NC		 1381 sreloc = _bfd_elf_make_dynamic_reloc_section
1382 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
bfff1642 1383 if (sreloc == NULL)
83bac4b0 1384 goto fail;
03a12831 1385 }
03a12831 1386
bfff1642
NC		 1387 sreloc->size += sizeof (Elf32_External_Rela);
1388 }
03a12831
AO		 1389 }
1390
1391 break;
252b5132 1392 }
bfff1642
NC		 1393
1394 if (ELF32_R_TYPE (rel->r_info) != R_MN10300_SYM_DIFF)
1395 sym_diff_reloc_seen = FALSE;
252b5132
RH		 1396 }
1397
62d7f790
NC		 1398 result = TRUE;
1399 fail:
1400 if (isymbuf != NULL)
1401 free (isymbuf);
1402
1403 return result;
252b5132
RH		 1404}
1405
1406/* Return the section that should be marked against GC for a given
1407 relocation. */
1408
1409static asection *
07adf181
AM		 1410mn10300_elf_gc_mark_hook (asection *sec,
1411 struct bfd_link_info *info,
1412 Elf_Internal_Rela *rel,
1413 struct elf_link_hash_entry *h,
1414 Elf_Internal_Sym *sym)
252b5132
RH		 1415{
1416 if (h != NULL)
07adf181
AM		 1417 switch (ELF32_R_TYPE (rel->r_info))
1418 {
1419 case R_MN10300_GNU_VTINHERIT:
1420 case R_MN10300_GNU_VTENTRY:
1421 return NULL;
1422 }
1423
1424 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH		 1425}
1426
1427/* Perform a relocation as part of a final link. */
603b7257 1428
252b5132 1429static bfd_reloc_status_type
603b7257
NC		 1430mn10300_elf_final_link_relocate (reloc_howto_type *howto,
1431 bfd *input_bfd,
1432 bfd *output_bfd ATTRIBUTE_UNUSED,
1433 asection *input_section,
1434 bfd_byte *contents,
1435 bfd_vma offset,
1436 bfd_vma value,
1437 bfd_vma addend,
1438 struct elf_link_hash_entry * h,
1439 unsigned long symndx,
1440 struct bfd_link_info *info,
1441 asection *sym_sec ATTRIBUTE_UNUSED,
1442 int is_local ATTRIBUTE_UNUSED)
252b5132 1443{
0a22ae8e 1444 struct elf32_mn10300_link_hash_table * htab = elf32_mn10300_hash_table (info);
bfff1642
NC		 1445 static asection * sym_diff_section;
1446 static bfd_vma sym_diff_value;
1447 bfd_boolean is_sym_diff_reloc;
252b5132 1448 unsigned long r_type = howto->type;
603b7257 1449 bfd_byte * hit_data = contents + offset;
03a12831 1450 bfd * dynobj;
03a12831
AO		 1451 asection * sgot;
1452 asection * splt;
1453 asection * sreloc;
1454
1455 dynobj = elf_hash_table (info)->dynobj;
03a12831
AO		 1456 sgot = NULL;
1457 splt = NULL;
1458 sreloc = NULL;
252b5132 1459
146ccdbb
AO		 1460 switch (r_type)
1461 {
1462 case R_MN10300_24:
1463 case R_MN10300_16:
1464 case R_MN10300_8:
1465 case R_MN10300_PCREL8:
1466 case R_MN10300_PCREL16:
1467 case R_MN10300_PCREL32:
1468 case R_MN10300_GOTOFF32:
1469 case R_MN10300_GOTOFF24:
1470 case R_MN10300_GOTOFF16:
0e1862bb 1471 if (bfd_link_pic (info)
146ccdbb
AO		 1472 && (input_section->flags & SEC_ALLOC) != 0
1473 && h != NULL
7e2294f9 1474 && ! SYMBOL_REFERENCES_LOCAL (info, h))
146ccdbb 1475 return bfd_reloc_dangerous;
1a0670f3 1476 /* Fall through. */
0a22ae8e
NC		 1477 case R_MN10300_GOT32:
1478 /* Issue 2052223:
1479 Taking the address of a protected function in a shared library
1480 is illegal. Issue an error message here. */
0e1862bb 1481 if (bfd_link_pic (info)
0a22ae8e
NC		 1482 && (input_section->flags & SEC_ALLOC) != 0
1483 && h != NULL
1484 && ELF_ST_VISIBILITY (h->other) == STV_PROTECTED
1485 && (h->type == STT_FUNC || h->type == STT_GNU_IFUNC)
1486 && ! SYMBOL_REFERENCES_LOCAL (info, h))
1487 return bfd_reloc_dangerous;
146ccdbb
AO		 1488 }
1489
bfff1642
NC		 1490 is_sym_diff_reloc = FALSE;
1491 if (sym_diff_section != NULL)
1492 {
1493 BFD_ASSERT (sym_diff_section == input_section);
1494
1495 switch (r_type)
1496 {
1497 case R_MN10300_32:
1498 case R_MN10300_24:
1499 case R_MN10300_16:
1500 case R_MN10300_8:
1501 value -= sym_diff_value;
b5f5fd96
NC		 1502 /* If we are computing a 32-bit value for the location lists
1503 and the result is 0 then we add one to the value. A zero
1504 value can result because of linker relaxation deleteing
1505 prologue instructions and using a value of 1 (for the begin
1506 and end offsets in the location list entry) results in a
1507 nul entry which does not prevent the following entries from
1508 being parsed. */
1509 if (r_type == R_MN10300_32
1510 && value == 0
1511 && strcmp (input_section->name, ".debug_loc") == 0)
1512 value = 1;
bfff1642
NC		 1513 sym_diff_section = NULL;
1514 is_sym_diff_reloc = TRUE;
1515 break;
1516
1517 default:
1518 sym_diff_section = NULL;
1519 break;
1520 }
1521 }
1522
252b5132
RH		 1523 switch (r_type)
1524 {
bfff1642
NC		 1525 case R_MN10300_SYM_DIFF:
1526 BFD_ASSERT (addend == 0);
1527 /* Cache the input section and value.
1528 The offset is unreliable, since relaxation may
1529 have reduced the following reloc's offset. */
1530 sym_diff_section = input_section;
1531 sym_diff_value = value;
1532 return bfd_reloc_ok;
1533
569006e5 1534 case R_MN10300_ALIGN:
252b5132
RH		 1535 case R_MN10300_NONE:
1536 return bfd_reloc_ok;
1537
1538 case R_MN10300_32:
0e1862bb 1539 if (bfd_link_pic (info)
bfff1642
NC		 1540 /* Do not generate relocs when an R_MN10300_32 has been used
1541 with an R_MN10300_SYM_DIFF to compute a difference of two
1542 symbols. */
1543 && is_sym_diff_reloc == FALSE
1544 /* Also, do not generate a reloc when the symbol associated
1545 with the R_MN10300_32 reloc is absolute - there is no
1546 need for a run time computation in this case. */
1547 && sym_sec != bfd_abs_section_ptr
1548 /* If the section is not going to be allocated at load time
1549 then there is no need to generate relocs for it. */
03a12831
AO		 1550 && (input_section->flags & SEC_ALLOC) != 0)
1551 {
1552 Elf_Internal_Rela outrel;
1553 bfd_boolean skip, relocate;
1554
1555 /* When generating a shared object, these relocations are
1556 copied into the output file to be resolved at run
1557 time. */
1558 if (sreloc == NULL)
1559 {
83bac4b0
NC		 1560 sreloc = _bfd_elf_get_dynamic_reloc_section
1561 (input_bfd, input_section, /*rela?*/ TRUE);
1562 if (sreloc == NULL)
03a12831 1563 return FALSE;
03a12831
AO		 1564 }
1565
1566 skip = FALSE;
1567
eea6121a
AM		 1568 outrel.r_offset = _bfd_elf_section_offset (input_bfd, info,
1569 input_section, offset);
1570 if (outrel.r_offset == (bfd_vma) -1)
1571 skip = TRUE;
03a12831
AO		 1572
1573 outrel.r_offset += (input_section->output_section->vma
1574 + input_section->output_offset);
1575
1576 if (skip)
1577 {
1578 memset (&outrel, 0, sizeof outrel);
1579 relocate = FALSE;
1580 }
1581 else
1582 {
1583 /* h->dynindx may be -1 if this symbol was marked to
1584 become local. */
1585 if (h == NULL
7e2294f9 1586 || SYMBOL_REFERENCES_LOCAL (info, h))
03a12831
AO		 1587 {
1588 relocate = TRUE;
1589 outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
1590 outrel.r_addend = value + addend;
1591 }
1592 else
1593 {
1594 BFD_ASSERT (h->dynindx != -1);
1595 relocate = FALSE;
1596 outrel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_32);
1597 outrel.r_addend = value + addend;
1598 }
1599 }
1600
1601 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
560e09e9
NC		 1602 (bfd_byte *) (((Elf32_External_Rela *) sreloc->contents)
1603 + sreloc->reloc_count));
03a12831
AO		 1604 ++sreloc->reloc_count;
1605
1606 /* If this reloc is against an external symbol, we do
1607 not want to fiddle with the addend. Otherwise, we
1608 need to include the symbol value so that it becomes
1609 an addend for the dynamic reloc. */
1610 if (! relocate)
1611 return bfd_reloc_ok;
1612 }
252b5132
RH		 1613 value += addend;
1614 bfd_put_32 (input_bfd, value, hit_data);
1615 return bfd_reloc_ok;
1616
1617 case R_MN10300_24:
1618 value += addend;
1619
010ac81f 1620 if ((long) value > 0x7fffff || (long) value < -0x800000)
252b5132
RH		 1621 return bfd_reloc_overflow;
1622
1623 bfd_put_8 (input_bfd, value & 0xff, hit_data);
1624 bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1625 bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1626 return bfd_reloc_ok;
1627
1628 case R_MN10300_16:
1629 value += addend;
1630
010ac81f 1631 if ((long) value > 0x7fff || (long) value < -0x8000)
252b5132
RH		 1632 return bfd_reloc_overflow;
1633
1634 bfd_put_16 (input_bfd, value, hit_data);
1635 return bfd_reloc_ok;
1636
1637 case R_MN10300_8:
1638 value += addend;
1639
010ac81f 1640 if ((long) value > 0x7f || (long) value < -0x80)
252b5132
RH		 1641 return bfd_reloc_overflow;
1642
1643 bfd_put_8 (input_bfd, value, hit_data);
1644 return bfd_reloc_ok;
1645
1646 case R_MN10300_PCREL8:
1647 value -= (input_section->output_section->vma
1648 + input_section->output_offset);
1649 value -= offset;
1650 value += addend;
1651
605d18d4 1652 if ((long) value > 0x7f || (long) value < -0x80)
252b5132
RH		 1653 return bfd_reloc_overflow;
1654
1655 bfd_put_8 (input_bfd, value, hit_data);
1656 return bfd_reloc_ok;
1657
1658 case R_MN10300_PCREL16:
1659 value -= (input_section->output_section->vma
1660 + input_section->output_offset);
1661 value -= offset;
1662 value += addend;
1663
605d18d4 1664 if ((long) value > 0x7fff || (long) value < -0x8000)
252b5132
RH		 1665 return bfd_reloc_overflow;
1666
1667 bfd_put_16 (input_bfd, value, hit_data);
1668 return bfd_reloc_ok;
1669
1670 case R_MN10300_PCREL32:
1671 value -= (input_section->output_section->vma
1672 + input_section->output_offset);
1673 value -= offset;
1674 value += addend;
1675
1676 bfd_put_32 (input_bfd, value, hit_data);
1677 return bfd_reloc_ok;
1678
1679 case R_MN10300_GNU_VTINHERIT:
1680 case R_MN10300_GNU_VTENTRY:
1681 return bfd_reloc_ok;
1682
03a12831 1683 case R_MN10300_GOTPC32:
0a22ae8e
NC		 1684 if (dynobj == NULL)
1685 return bfd_reloc_dangerous;
1686
03a12831 1687 /* Use global offset table as symbol value. */
3d4d4302 1688 value = htab->root.sgot->output_section->vma;
03a12831
AO		 1689 value -= (input_section->output_section->vma
1690 + input_section->output_offset);
1691 value -= offset;
1692 value += addend;
1693
1694 bfd_put_32 (input_bfd, value, hit_data);
1695 return bfd_reloc_ok;
3b36f7e6 1696
03a12831 1697 case R_MN10300_GOTPC16:
0a22ae8e
NC		 1698 if (dynobj == NULL)
1699 return bfd_reloc_dangerous;
1700
03a12831 1701 /* Use global offset table as symbol value. */
3d4d4302 1702 value = htab->root.sgot->output_section->vma;
03a12831
AO		 1703 value -= (input_section->output_section->vma
1704 + input_section->output_offset);
1705 value -= offset;
1706 value += addend;
1707
605d18d4 1708 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1709 return bfd_reloc_overflow;
1710
1711 bfd_put_16 (input_bfd, value, hit_data);
1712 return bfd_reloc_ok;
1713
1714 case R_MN10300_GOTOFF32:
0a22ae8e
NC		 1715 if (dynobj == NULL)
1716 return bfd_reloc_dangerous;
1717
3d4d4302 1718 value -= htab->root.sgot->output_section->vma;
03a12831 1719 value += addend;
3b36f7e6 1720
03a12831
AO		 1721 bfd_put_32 (input_bfd, value, hit_data);
1722 return bfd_reloc_ok;
1723
1724 case R_MN10300_GOTOFF24:
0a22ae8e
NC		 1725 if (dynobj == NULL)
1726 return bfd_reloc_dangerous;
1727
3d4d4302 1728 value -= htab->root.sgot->output_section->vma;
03a12831 1729 value += addend;
3b36f7e6 1730
03a12831
AO		 1731 if ((long) value > 0x7fffff || (long) value < -0x800000)
1732 return bfd_reloc_overflow;
1733
1734 bfd_put_8 (input_bfd, value, hit_data);
1735 bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1736 bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1737 return bfd_reloc_ok;
1738
1739 case R_MN10300_GOTOFF16:
0a22ae8e
NC		 1740 if (dynobj == NULL)
1741 return bfd_reloc_dangerous;
1742
3d4d4302 1743 value -= htab->root.sgot->output_section->vma;
03a12831 1744 value += addend;
3b36f7e6 1745
605d18d4 1746 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1747 return bfd_reloc_overflow;
1748
1749 bfd_put_16 (input_bfd, value, hit_data);
1750 return bfd_reloc_ok;
1751
1752 case R_MN10300_PLT32:
1753 if (h != NULL
1754 && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1755 && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
1756 && h->plt.offset != (bfd_vma) -1)
1757 {
0a22ae8e
NC		 1758 if (dynobj == NULL)
1759 return bfd_reloc_dangerous;
1760
3d4d4302 1761 splt = htab->root.splt;
03a12831
AO		 1762 value = (splt->output_section->vma
1763 + splt->output_offset
1764 + h->plt.offset) - value;
1765 }
1766
1767 value -= (input_section->output_section->vma
1768 + input_section->output_offset);
1769 value -= offset;
1770 value += addend;
1771
1772 bfd_put_32 (input_bfd, value, hit_data);
1773 return bfd_reloc_ok;
1774
1775 case R_MN10300_PLT16:
1776 if (h != NULL
1777 && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1778 && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
1779 && h->plt.offset != (bfd_vma) -1)
1780 {
0a22ae8e
NC		 1781 if (dynobj == NULL)
1782 return bfd_reloc_dangerous;
1783
3d4d4302 1784 splt = htab->root.splt;
03a12831
AO		 1785 value = (splt->output_section->vma
1786 + splt->output_offset
1787 + h->plt.offset) - value;
1788 }
1789
1790 value -= (input_section->output_section->vma
1791 + input_section->output_offset);
1792 value -= offset;
1793 value += addend;
1794
605d18d4 1795 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1796 return bfd_reloc_overflow;
1797
1798 bfd_put_16 (input_bfd, value, hit_data);
1799 return bfd_reloc_ok;
1800
0a22ae8e
NC		 1801 case R_MN10300_TLS_LDO:
1802 value = dtpoff (info, value);
1803 bfd_put_32 (input_bfd, value + addend, hit_data);
1804 return bfd_reloc_ok;
1805
1806 case R_MN10300_TLS_LE:
1807 value = tpoff (info, value);
1808 bfd_put_32 (input_bfd, value + addend, hit_data);
1809 return bfd_reloc_ok;
1810
1811 case R_MN10300_TLS_LD:
1812 if (dynobj == NULL)
1813 return bfd_reloc_dangerous;
1814
3d4d4302 1815 sgot = htab->root.sgot;
0a22ae8e
NC		 1816 BFD_ASSERT (sgot != NULL);
1817 value = htab->tls_ldm_got.offset + sgot->output_offset;
1818 bfd_put_32 (input_bfd, value, hit_data);
1819
1820 if (!htab->tls_ldm_got.rel_emitted)
1821 {
3d4d4302 1822 asection * srelgot = bfd_get_linker_section (dynobj, ".rela.got");
0a22ae8e
NC		 1823 Elf_Internal_Rela rel;
1824
1825 BFD_ASSERT (srelgot != NULL);
1826 htab->tls_ldm_got.rel_emitted ++;
1827 rel.r_offset = (sgot->output_section->vma
1828 + sgot->output_offset
1829 + htab->tls_ldm_got.offset);
1830 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + htab->tls_ldm_got.offset);
1831 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + htab->tls_ldm_got.offset+4);
1832 rel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPMOD);
1833 rel.r_addend = 0;
1834 bfd_elf32_swap_reloca_out (output_bfd, & rel,
1835 (bfd_byte *) ((Elf32_External_Rela *) srelgot->contents
1836 + srelgot->reloc_count));
1837 ++ srelgot->reloc_count;
1838 }
1839
1840 return bfd_reloc_ok;
1841
1842 case R_MN10300_TLS_GOTIE:
1843 value = tpoff (info, value);
1844 /* Fall Through. */
1845
1846 case R_MN10300_TLS_GD:
1847 case R_MN10300_TLS_IE:
03a12831
AO		 1848 case R_MN10300_GOT32:
1849 case R_MN10300_GOT24:
1850 case R_MN10300_GOT16:
0a22ae8e
NC		 1851 if (dynobj == NULL)
1852 return bfd_reloc_dangerous;
3b36f7e6 1853
3d4d4302 1854 sgot = htab->root.sgot;
0a22ae8e
NC		 1855 if (r_type == R_MN10300_TLS_GD)
1856 value = dtpoff (info, value);
03a12831 1857
0a22ae8e
NC		 1858 if (h != NULL)
1859 {
1860 bfd_vma off;
1861
1862 off = h->got.offset;
1863 /* Offsets in the GOT are allocated in check_relocs
1864 which is not called for shared libraries... */
1865 if (off == (bfd_vma) -1)
1866 off = 0;
1867
1868 if (sgot->contents != NULL
1869 && (! elf_hash_table (info)->dynamic_sections_created
1870 || SYMBOL_REFERENCES_LOCAL (info, h)))
1871 /* This is actually a static link, or it is a
1872 -Bsymbolic link and the symbol is defined
1873 locally, or the symbol was forced to be local
1874 because of a version file. We must initialize
1875 this entry in the global offset table.
1876
1877 When doing a dynamic link, we create a .rela.got
1878 relocation entry to initialize the value. This
1879 is done in the finish_dynamic_symbol routine. */
1880 bfd_put_32 (output_bfd, value,
1881 sgot->contents + off);
1882
1883 value = sgot->output_offset + off;
1884 }
1885 else
1886 {
1887 bfd_vma off;
03a12831 1888
0a22ae8e 1889 off = elf_local_got_offsets (input_bfd)[symndx];
03a12831 1890
0a22ae8e
NC		 1891 if (off & 1)
1892 bfd_put_32 (output_bfd, value, sgot->contents + (off & ~ 1));
1893 else
1894 {
03a12831
AO		 1895 bfd_put_32 (output_bfd, value, sgot->contents + off);
1896
0e1862bb 1897 if (bfd_link_pic (info))
03a12831
AO		 1898 {
1899 asection * srelgot;
1900 Elf_Internal_Rela outrel;
1901
3d4d4302 1902 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
03a12831
AO		 1903 BFD_ASSERT (srelgot != NULL);
1904
1905 outrel.r_offset = (sgot->output_section->vma
1906 + sgot->output_offset
1907 + off);
0a22ae8e
NC		 1908 switch (r_type)
1909 {
1910 case R_MN10300_TLS_GD:
1911 outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPOFF);
1912 outrel.r_offset = (sgot->output_section->vma
1913 + sgot->output_offset
1914 + off + 4);
1915 bfd_elf32_swap_reloca_out (output_bfd, & outrel,
1916 (bfd_byte *) (((Elf32_External_Rela *)
1917 srelgot->contents)
1918 + srelgot->reloc_count));
1919 ++ srelgot->reloc_count;
1920 outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPMOD);
1921 break;
1922 case R_MN10300_TLS_GOTIE:
1923 case R_MN10300_TLS_IE:
1924 outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_TPOFF);
1925 break;
1926 default:
1927 outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
1928 break;
1929 }
1930
03a12831
AO		 1931 outrel.r_addend = value;
1932 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
560e09e9
NC		 1933 (bfd_byte *) (((Elf32_External_Rela *)
1934 srelgot->contents)
1935 + srelgot->reloc_count));
03a12831 1936 ++ srelgot->reloc_count;
0a22ae8e 1937 elf_local_got_offsets (input_bfd)[symndx] |= 1;
03a12831
AO		 1938 }
1939
0a22ae8e 1940 value = sgot->output_offset + (off & ~(bfd_vma) 1);
03a12831 1941 }
0a22ae8e 1942 }
03a12831
AO		 1943
1944 value += addend;
1945
0a22ae8e
NC		 1946 if (r_type == R_MN10300_TLS_IE)
1947 {
1948 value += sgot->output_section->vma;
1949 bfd_put_32 (input_bfd, value, hit_data);
1950 return bfd_reloc_ok;
1951 }
1952 else if (r_type == R_MN10300_TLS_GOTIE
1953 || r_type == R_MN10300_TLS_GD
1954 || r_type == R_MN10300_TLS_LD)
1955 {
1956 bfd_put_32 (input_bfd, value, hit_data);
1957 return bfd_reloc_ok;
1958 }
1959 else if (r_type == R_MN10300_GOT32)
03a12831
AO		 1960 {
1961 bfd_put_32 (input_bfd, value, hit_data);
1962 return bfd_reloc_ok;
1963 }
1964 else if (r_type == R_MN10300_GOT24)
1965 {
1966 if ((long) value > 0x7fffff || (long) value < -0x800000)
1967 return bfd_reloc_overflow;
1968
1969 bfd_put_8 (input_bfd, value & 0xff, hit_data);
1970 bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1971 bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1972 return bfd_reloc_ok;
1973 }
1974 else if (r_type == R_MN10300_GOT16)
1975 {
605d18d4 1976 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1977 return bfd_reloc_overflow;
1978
1979 bfd_put_16 (input_bfd, value, hit_data);
1980 return bfd_reloc_ok;
1981 }
1982 /* Fall through. */
3b36f7e6 1983
252b5132
RH		 1984 default:
1985 return bfd_reloc_notsupported;
1986 }
1987}
252b5132
RH		 1988\f
1989/* Relocate an MN10300 ELF section. */
603b7257 1990
b34976b6 1991static bfd_boolean
603b7257
NC		 1992mn10300_elf_relocate_section (bfd *output_bfd,
1993 struct bfd_link_info *info,
1994 bfd *input_bfd,
1995 asection *input_section,
1996 bfd_byte *contents,
1997 Elf_Internal_Rela *relocs,
1998 Elf_Internal_Sym *local_syms,
1999 asection **local_sections)
252b5132
RH		 2000{
2001 Elf_Internal_Shdr *symtab_hdr;
b2a8e766 2002 struct elf_link_hash_entry **sym_hashes;
252b5132 2003 Elf_Internal_Rela *rel, *relend;
0a22ae8e 2004 Elf_Internal_Rela * trel;
252b5132
RH		 2005
2006 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
b2a8e766 2007 sym_hashes = elf_sym_hashes (input_bfd);
252b5132
RH		 2008
2009 rel = relocs;
2010 relend = relocs + input_section->reloc_count;
2011 for (; rel < relend; rel++)
2012 {
2013 int r_type;
2014 reloc_howto_type *howto;
2015 unsigned long r_symndx;
2016 Elf_Internal_Sym *sym;
2017 asection *sec;
2018 struct elf32_mn10300_link_hash_entry *h;
2019 bfd_vma relocation;
2020 bfd_reloc_status_type r;
0a22ae8e
NC		 2021 int tls_r_type;
2022 bfd_boolean unresolved_reloc = FALSE;
62d887d4 2023 bfd_boolean warned, ignored;
0a22ae8e 2024 struct elf_link_hash_entry * hh;
252b5132 2025
0a22ae8e 2026 relocation = 0;
252b5132
RH		 2027 r_symndx = ELF32_R_SYM (rel->r_info);
2028 r_type = ELF32_R_TYPE (rel->r_info);
2029 howto = elf_mn10300_howto_table + r_type;
2030
2031 /* Just skip the vtable gc relocs. */
2032 if (r_type == R_MN10300_GNU_VTINHERIT
2033 || r_type == R_MN10300_GNU_VTENTRY)
2034 continue;
2035
252b5132
RH		 2036 h = NULL;
2037 sym = NULL;
2038 sec = NULL;
2039 if (r_symndx < symtab_hdr->sh_info)
0a22ae8e 2040 hh = NULL;
252b5132
RH		 2041 else
2042 {
b2a8e766
AM		 2043 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2044 r_symndx, symtab_hdr, sym_hashes,
2045 hh, sec, relocation,
62d887d4 2046 unresolved_reloc, warned, ignored);
0a22ae8e
NC		 2047 }
2048 h = elf_mn10300_hash_entry (hh);
560e09e9 2049
0a22ae8e
NC		 2050 tls_r_type = elf_mn10300_tls_transition (info, r_type, hh, input_section, 0);
2051 if (tls_r_type != r_type)
2052 {
2053 bfd_boolean had_plt;
2054
2055 had_plt = mn10300_do_tls_transition (input_bfd, r_type, tls_r_type,
2056 contents, rel->r_offset);
2057 r_type = tls_r_type;
2058 howto = elf_mn10300_howto_table + r_type;
2059
2060 if (had_plt)
2061 for (trel = rel+1; trel < relend; trel++)
2062 if ((ELF32_R_TYPE (trel->r_info) == R_MN10300_PLT32
2063 || ELF32_R_TYPE (trel->r_info) == R_MN10300_PCREL32)
2064 && rel->r_offset + had_plt == trel->r_offset)
2065 trel->r_info = ELF32_R_INFO (0, R_MN10300_NONE);
2066 }
560e09e9 2067
0a22ae8e
NC		 2068 if (r_symndx < symtab_hdr->sh_info)
2069 {
2070 sym = local_syms + r_symndx;
2071 sec = local_sections[r_symndx];
2072 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2073 }
2074 else
2075 {
560e09e9 2076 if ((h->root.root.type == bfd_link_hash_defined
252b5132 2077 || h->root.root.type == bfd_link_hash_defweak)
560e09e9 2078 && ( r_type == R_MN10300_GOTPC32
03a12831
AO		 2079 || r_type == R_MN10300_GOTPC16
2080 || (( r_type == R_MN10300_PLT32
2081 || r_type == R_MN10300_PLT16)
2082 && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
2083 && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
2084 && h->root.plt.offset != (bfd_vma) -1)
2085 || (( r_type == R_MN10300_GOT32
2086 || r_type == R_MN10300_GOT24
0a22ae8e
NC		 2087 || r_type == R_MN10300_TLS_GD
2088 || r_type == R_MN10300_TLS_LD
2089 || r_type == R_MN10300_TLS_GOTIE
2090 || r_type == R_MN10300_TLS_IE
03a12831
AO		 2091 || r_type == R_MN10300_GOT16)
2092 && elf_hash_table (info)->dynamic_sections_created
7e2294f9 2093 && !SYMBOL_REFERENCES_LOCAL (info, hh))
146ccdbb 2094 || (r_type == R_MN10300_32
bfff1642
NC		 2095 /* _32 relocs in executables force _COPY relocs,
2096 such that the address of the symbol ends up
2097 being local. */
0e1862bb 2098 && !bfd_link_executable (info)
7e2294f9 2099 && !SYMBOL_REFERENCES_LOCAL (info, hh)
03a12831
AO		 2100 && ((input_section->flags & SEC_ALLOC) != 0
2101 /* DWARF will emit R_MN10300_32 relocations
2102 in its sections against symbols defined
2103 externally in shared libraries. We can't
2104 do anything with them here. */
2105 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 2106 && h->root.def_dynamic)))))
560e09e9
NC		 2107 /* In these cases, we don't need the relocation
2108 value. We check specially because in some
2109 obscure cases sec->output_section will be NULL. */
03a12831 2110 relocation = 0;
560e09e9 2111
0e1862bb 2112 else if (!bfd_link_relocatable (info) && unresolved_reloc
1d5316ab
AM		 2113 && _bfd_elf_section_offset (output_bfd, info, input_section,
2114 rel->r_offset) != (bfd_vma) -1)
2115
4eca0228 2116 _bfd_error_handler
695344c0 2117 /* xgettext:c-format */
843fe662
L		 2118 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
2119 input_bfd,
2120 input_section,
2121 (long) rel->r_offset,
2122 howto->name,
2123 h->root.root.root.string);
252b5132
RH		 2124 }
2125
dbaa2011 2126 if (sec != NULL && discarded_section (sec))
e4067dbb 2127 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2128 rel, 1, relend, howto, 0, contents);
ab96bf03 2129
0e1862bb 2130 if (bfd_link_relocatable (info))
ab96bf03
AM		 2131 continue;
2132
252b5132
RH		 2133 r = mn10300_elf_final_link_relocate (howto, input_bfd, output_bfd,
2134 input_section,
2135 contents, rel->r_offset,
2136 relocation, rel->r_addend,
603b7257 2137 (struct elf_link_hash_entry *) h,
03a12831 2138 r_symndx,
252b5132
RH		 2139 info, sec, h == NULL);
2140
2141 if (r != bfd_reloc_ok)
2142 {
2143 const char *name;
603b7257 2144 const char *msg = NULL;
252b5132
RH		 2145
2146 if (h != NULL)
2147 name = h->root.root.root.string;
2148 else
2149 {
2150 name = (bfd_elf_string_from_elf_section
2151 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2152 if (name == NULL || *name == '\0')
2153 name = bfd_section_name (input_bfd, sec);
2154 }
2155
2156 switch (r)
2157 {
2158 case bfd_reloc_overflow:
1a72702b
AM		 2159 (*info->callbacks->reloc_overflow)
2160 (info, (h ? &h->root.root : NULL), name, howto->name,
2161 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
252b5132
RH		 2162 break;
2163
2164 case bfd_reloc_undefined:
1a72702b
AM		 2165 (*info->callbacks->undefined_symbol)
2166 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
252b5132
RH		 2167 break;
2168
2169 case bfd_reloc_outofrange:
2170 msg = _("internal error: out of range error");
2171 goto common_error;
2172
2173 case bfd_reloc_notsupported:
2174 msg = _("internal error: unsupported relocation error");
2175 goto common_error;
2176
2177 case bfd_reloc_dangerous:
c9b57b7e
DD		 2178 if (r_type == R_MN10300_PCREL32)
2179 msg = _("error: inappropriate relocation type for shared"
2180 " library (did you forget -fpic?)");
0a22ae8e 2181 else if (r_type == R_MN10300_GOT32)
695344c0 2182 /* xgettext:c-format */
0a22ae8e
NC		 2183 msg = _("%B: taking the address of protected function"
2184 " '%s' cannot be done when making a shared library");
c9b57b7e
DD		 2185 else
2186 msg = _("internal error: suspicious relocation type used"
2187 " in shared library");
252b5132
RH		 2188 goto common_error;
2189
2190 default:
2191 msg = _("internal error: unknown error");
603b7257 2192 /* Fall through. */
252b5132
RH		 2193
2194 common_error:
0a22ae8e
NC		 2195 _bfd_error_handler (msg, input_bfd, name);
2196 bfd_set_error (bfd_error_bad_value);
2197 return FALSE;
252b5132
RH		 2198 }
2199 }
2200 }
2201
b34976b6 2202 return TRUE;
252b5132
RH		 2203}
2204
2205/* Finish initializing one hash table entry. */
603b7257 2206
b34976b6 2207static bfd_boolean
603b7257
NC		 2208elf32_mn10300_finish_hash_table_entry (struct bfd_hash_entry *gen_entry,
2209 void * in_args)
252b5132
RH		 2210{
2211 struct elf32_mn10300_link_hash_entry *entry;
603b7257 2212 struct bfd_link_info *link_info = (struct bfd_link_info *) in_args;
252b5132
RH		 2213 unsigned int byte_count = 0;
2214
010ac81f 2215 entry = (struct elf32_mn10300_link_hash_entry *) gen_entry;
252b5132
RH		 2216
2217 /* If we already know we want to convert "call" to "calls" for calls
2218 to this symbol, then return now. */
2219 if (entry->flags == MN10300_CONVERT_CALL_TO_CALLS)
b34976b6 2220 return TRUE;
252b5132
RH		 2221
2222 /* If there are no named calls to this symbol, or there's nothing we
1055df0f
AO		 2223 can move from the function itself into the "call" instruction,
2224 then note that all "call" instructions should be converted into
2225 "calls" instructions and return. If a symbol is available for
2226 dynamic symbol resolution (overridable or overriding), avoid
2227 custom calling conventions. */
252b5132 2228 if (entry->direct_calls == 0
1055df0f
AO		 2229 || (entry->stack_size == 0 && entry->movm_args == 0)
2230 || (elf_hash_table (link_info)->dynamic_sections_created
2231 && ELF_ST_VISIBILITY (entry->root.other) != STV_INTERNAL
2232 && ELF_ST_VISIBILITY (entry->root.other) != STV_HIDDEN))
252b5132
RH		 2233 {
2234 /* Make a note that we should convert "call" instructions to "calls"
2235 instructions for calls to this symbol. */
2236 entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
b34976b6 2237 return TRUE;
252b5132
RH		 2238 }
2239
2240 /* We may be able to move some instructions from the function itself into
2241 the "call" instruction. Count how many bytes we might be able to
2242 eliminate in the function itself. */
2243
2244 /* A movm instruction is two bytes. */
2245 if (entry->movm_args)
2246 byte_count += 2;
2247
2248 /* Count the insn to allocate stack space too. */
1a101a42
AM		 2249 if (entry->stack_size > 0)
2250 {
2251 if (entry->stack_size <= 128)
2252 byte_count += 3;
2253 else
2254 byte_count += 4;
2255 }
252b5132
RH		 2256
2257 /* If using "call" will result in larger code, then turn all
4cc11e76 2258 the associated "call" instructions into "calls" instructions. */
252b5132
RH		 2259 if (byte_count < entry->direct_calls)
2260 entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2261
2262 /* This routine never fails. */
b34976b6 2263 return TRUE;
252b5132
RH		 2264}
2265
eb13e63f 2266/* Used to count hash table entries. */
603b7257 2267
eb13e63f
DD		 2268static bfd_boolean
2269elf32_mn10300_count_hash_table_entries (struct bfd_hash_entry *gen_entry ATTRIBUTE_UNUSED,
603b7257 2270 void * in_args)
eb13e63f 2271{
bfff1642 2272 int *count = (int *) in_args;
eb13e63f
DD		 2273
2274 (*count) ++;
2275 return TRUE;
2276}
2277
2278/* Used to enumerate hash table entries into a linear array. */
603b7257 2279
eb13e63f
DD		 2280static bfd_boolean
2281elf32_mn10300_list_hash_table_entries (struct bfd_hash_entry *gen_entry,
603b7257 2282 void * in_args)
eb13e63f
DD		 2283{
2284 struct bfd_hash_entry ***ptr = (struct bfd_hash_entry ***) in_args;
2285
2286 **ptr = gen_entry;
2287 (*ptr) ++;
2288 return TRUE;
2289}
2290
2291/* Used to sort the array created by the above. */
603b7257 2292
eb13e63f
DD		 2293static int
2294sort_by_value (const void *va, const void *vb)
2295{
2296 struct elf32_mn10300_link_hash_entry *a
bfff1642 2297 = *(struct elf32_mn10300_link_hash_entry **) va;
eb13e63f 2298 struct elf32_mn10300_link_hash_entry *b
bfff1642 2299 = *(struct elf32_mn10300_link_hash_entry **) vb;
eb13e63f
DD		 2300
2301 return a->value - b->value;
2302}
2303
603b7257
NC		 2304/* Compute the stack size and movm arguments for the function
2305 referred to by HASH at address ADDR in section with
2306 contents CONTENTS, store the information in the hash table. */
2307
2308static void
2309compute_function_info (bfd *abfd,
2310 struct elf32_mn10300_link_hash_entry *hash,
2311 bfd_vma addr,
2312 unsigned char *contents)
2313{
2314 unsigned char byte1, byte2;
2315 /* We only care about a very small subset of the possible prologue
2316 sequences here. Basically we look for:
2317
2318 movm [d2,d3,a2,a3],sp (optional)
2319 add <size>,sp (optional, and only for sizes which fit in an unsigned
2320 8 bit number)
2321
2322 If we find anything else, we quit. */
2323
2324 /* Look for movm [regs],sp. */
2325 byte1 = bfd_get_8 (abfd, contents + addr);
2326 byte2 = bfd_get_8 (abfd, contents + addr + 1);
2327
2328 if (byte1 == 0xcf)
2329 {
2330 hash->movm_args = byte2;
2331 addr += 2;
2332 byte1 = bfd_get_8 (abfd, contents + addr);
2333 byte2 = bfd_get_8 (abfd, contents + addr + 1);
2334 }
2335
2336 /* Now figure out how much stack space will be allocated by the movm
2337 instruction. We need this kept separate from the function's normal
2338 stack space. */
2339 if (hash->movm_args)
2340 {
2341 /* Space for d2. */
2342 if (hash->movm_args & 0x80)
2343 hash->movm_stack_size += 4;
2344
2345 /* Space for d3. */
2346 if (hash->movm_args & 0x40)
2347 hash->movm_stack_size += 4;
2348
2349 /* Space for a2. */
2350 if (hash->movm_args & 0x20)
2351 hash->movm_stack_size += 4;
2352
2353 /* Space for a3. */
2354 if (hash->movm_args & 0x10)
2355 hash->movm_stack_size += 4;
2356
2357 /* "other" space. d0, d1, a0, a1, mdr, lir, lar, 4 byte pad. */
2358 if (hash->movm_args & 0x08)
2359 hash->movm_stack_size += 8 * 4;
2360
2361 if (bfd_get_mach (abfd) == bfd_mach_am33
2362 || bfd_get_mach (abfd) == bfd_mach_am33_2)
2363 {
2364 /* "exother" space. e0, e1, mdrq, mcrh, mcrl, mcvf */
2365 if (hash->movm_args & 0x1)
2366 hash->movm_stack_size += 6 * 4;
2367
2368 /* exreg1 space. e4, e5, e6, e7 */
2369 if (hash->movm_args & 0x2)
2370 hash->movm_stack_size += 4 * 4;
2371
2372 /* exreg0 space. e2, e3 */
2373 if (hash->movm_args & 0x4)
2374 hash->movm_stack_size += 2 * 4;
2375 }
2376 }
2377
2378 /* Now look for the two stack adjustment variants. */
2379 if (byte1 == 0xf8 && byte2 == 0xfe)
2380 {
2381 int temp = bfd_get_8 (abfd, contents + addr + 2);
2382 temp = ((temp & 0xff) ^ (~0x7f)) + 0x80;
2383
2384 hash->stack_size = -temp;
2385 }
2386 else if (byte1 == 0xfa && byte2 == 0xfe)
2387 {
2388 int temp = bfd_get_16 (abfd, contents + addr + 2);
2389 temp = ((temp & 0xffff) ^ (~0x7fff)) + 0x8000;
2390 temp = -temp;
2391
2392 if (temp < 255)
2393 hash->stack_size = temp;
2394 }
2395
2396 /* If the total stack to be allocated by the call instruction is more
2397 than 255 bytes, then we can't remove the stack adjustment by using
2398 "call" (we might still be able to remove the "movm" instruction. */
2399 if (hash->stack_size + hash->movm_stack_size > 255)
2400 hash->stack_size = 0;
2401}
2402
2403/* Delete some bytes from a section while relaxing. */
2404
2405static bfd_boolean
2406mn10300_elf_relax_delete_bytes (bfd *abfd,
2407 asection *sec,
2408 bfd_vma addr,
2409 int count)
2410{
2411 Elf_Internal_Shdr *symtab_hdr;
2412 unsigned int sec_shndx;
2413 bfd_byte *contents;
2414 Elf_Internal_Rela *irel, *irelend;
2415 Elf_Internal_Rela *irelalign;
2416 bfd_vma toaddr;
2417 Elf_Internal_Sym *isym, *isymend;
2418 struct elf_link_hash_entry **sym_hashes;
2419 struct elf_link_hash_entry **end_hashes;
2420 unsigned int symcount;
2421
2422 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2423
2424 contents = elf_section_data (sec)->this_hdr.contents;
2425
603b7257
NC		 2426 irelalign = NULL;
2427 toaddr = sec->size;
2428
2429 irel = elf_section_data (sec)->relocs;
2430 irelend = irel + sec->reloc_count;
2431
cf4a529b
NC		 2432 if (sec->reloc_count > 0)
2433 {
2434 /* If there is an align reloc at the end of the section ignore it.
2435 GAS creates these relocs for reasons of its own, and they just
2436 serve to keep the section artifically inflated. */
2437 if (ELF32_R_TYPE ((irelend - 1)->r_info) == (int) R_MN10300_ALIGN)
2438 --irelend;
68ffbac6 2439
cf4a529b 2440 /* The deletion must stop at the next ALIGN reloc for an aligment
b5f5fd96
NC		 2441 power larger than, or not a multiple of, the number of bytes we
2442 are deleting. */
cf4a529b 2443 for (; irel < irelend; irel++)
b5f5fd96
NC		 2444 {
2445 int alignment = 1 << irel->r_addend;
2446
2447 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN
2448 && irel->r_offset > addr
2449 && irel->r_offset < toaddr
2450 && (count < alignment
2451 || alignment % count != 0))
2452 {
2453 irelalign = irel;
2454 toaddr = irel->r_offset;
2455 break;
2456 }
2457 }
cf4a529b 2458 }
569006e5 2459
603b7257
NC		 2460 /* Actually delete the bytes. */
2461 memmove (contents + addr, contents + addr + count,
2462 (size_t) (toaddr - addr - count));
569006e5
NC		 2463
2464 /* Adjust the section's size if we are shrinking it, or else
2465 pad the bytes between the end of the shrunken region and
2466 the start of the next region with NOP codes. */
2467 if (irelalign == NULL)
2468 {
2469 sec->size -= count;
2470 /* Include symbols at the end of the section, but
2471 not at the end of a sub-region of the section. */
2472 toaddr ++;
2473 }
2474 else
2475 {
2476 int i;
2477
2478#define NOP_OPCODE 0xcb
2479
2480 for (i = 0; i < count; i ++)
2481 bfd_put_8 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
2482 }
603b7257
NC		 2483
2484 /* Adjust all the relocs. */
2485 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
2486 {
2487 /* Get the new reloc address. */
2488 if ((irel->r_offset > addr
b5f5fd96
NC		 2489 && irel->r_offset < toaddr)
2490 || (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN
2491 && irel->r_offset == toaddr))
603b7257
NC		 2492 irel->r_offset -= count;
2493 }
2494
b5f5fd96
NC		 2495 /* Adjust the local symbols in the section, reducing their value
2496 by the number of bytes deleted. Note - symbols within the deleted
2497 region are moved to the address of the start of the region, which
2498 actually means that they will address the byte beyond the end of
2499 the region once the deletion has been completed. */
603b7257
NC		 2500 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2501 isym = (Elf_Internal_Sym *) symtab_hdr->contents;
2502 for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
2503 {
2504 if (isym->st_shndx == sec_shndx
2505 && isym->st_value > addr
569006e5 2506 && isym->st_value < toaddr)
b5f5fd96
NC		 2507 {
2508 if (isym->st_value < addr + count)
2509 isym->st_value = addr;
2510 else
2511 isym->st_value -= count;
2512 }
bfff1642
NC		 2513 /* Adjust the function symbol's size as well. */
2514 else if (isym->st_shndx == sec_shndx
2515 && ELF_ST_TYPE (isym->st_info) == STT_FUNC
2516 && isym->st_value + isym->st_size > addr
569006e5 2517 && isym->st_value + isym->st_size < toaddr)
bfff1642 2518 isym->st_size -= count;
603b7257
NC		 2519 }
2520
2521 /* Now adjust the global symbols defined in this section. */
2522 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2523 - symtab_hdr->sh_info);
2524 sym_hashes = elf_sym_hashes (abfd);
2525 end_hashes = sym_hashes + symcount;
2526 for (; sym_hashes < end_hashes; sym_hashes++)
2527 {
2528 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2529
2530 if ((sym_hash->root.type == bfd_link_hash_defined
2531 || sym_hash->root.type == bfd_link_hash_defweak)
2532 && sym_hash->root.u.def.section == sec
2533 && sym_hash->root.u.def.value > addr
569006e5 2534 && sym_hash->root.u.def.value < toaddr)
b5f5fd96
NC		 2535 {
2536 if (sym_hash->root.u.def.value < addr + count)
2537 sym_hash->root.u.def.value = addr;
2538 else
2539 sym_hash->root.u.def.value -= count;
2540 }
bfff1642
NC		 2541 /* Adjust the function symbol's size as well. */
2542 else if (sym_hash->root.type == bfd_link_hash_defined
2543 && sym_hash->root.u.def.section == sec
2544 && sym_hash->type == STT_FUNC
2545 && sym_hash->root.u.def.value + sym_hash->size > addr
569006e5 2546 && sym_hash->root.u.def.value + sym_hash->size < toaddr)
bfff1642 2547 sym_hash->size -= count;
603b7257
NC		 2548 }
2549
b5f5fd96
NC		 2550 /* See if we can move the ALIGN reloc forward.
2551 We have adjusted r_offset for it already. */
2552 if (irelalign != NULL)
2553 {
2554 bfd_vma alignto, alignaddr;
2555
2556 if ((int) irelalign->r_addend > 0)
2557 {
2558 /* This is the old address. */
2559 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
2560 /* This is where the align points to now. */
2561 alignaddr = BFD_ALIGN (irelalign->r_offset,
2562 1 << irelalign->r_addend);
2563 if (alignaddr < alignto)
2564 /* Tail recursion. */
2565 return mn10300_elf_relax_delete_bytes (abfd, sec, alignaddr,
2566 (int) (alignto - alignaddr));
2567 }
2568 }
2569
603b7257
NC		 2570 return TRUE;
2571}
2572
2573/* Return TRUE if a symbol exists at the given address, else return
2574 FALSE. */
2575
2576static bfd_boolean
2577mn10300_elf_symbol_address_p (bfd *abfd,
2578 asection *sec,
2579 Elf_Internal_Sym *isym,
2580 bfd_vma addr)
2581{
2582 Elf_Internal_Shdr *symtab_hdr;
2583 unsigned int sec_shndx;
2584 Elf_Internal_Sym *isymend;
2585 struct elf_link_hash_entry **sym_hashes;
2586 struct elf_link_hash_entry **end_hashes;
2587 unsigned int symcount;
2588
2589 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2590
2591 /* Examine all the symbols. */
2592 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2593 for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
2594 if (isym->st_shndx == sec_shndx
2595 && isym->st_value == addr)
2596 return TRUE;
2597
2598 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2599 - symtab_hdr->sh_info);
2600 sym_hashes = elf_sym_hashes (abfd);
2601 end_hashes = sym_hashes + symcount;
2602 for (; sym_hashes < end_hashes; sym_hashes++)
2603 {
2604 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2605
2606 if ((sym_hash->root.type == bfd_link_hash_defined
2607 || sym_hash->root.type == bfd_link_hash_defweak)
2608 && sym_hash->root.u.def.section == sec
2609 && sym_hash->root.u.def.value == addr)
2610 return TRUE;
2611 }
2612
2613 return FALSE;
2614}
eb13e63f 2615
252b5132
RH		 2616/* This function handles relaxing for the mn10300.
2617
4cc11e76 2618 There are quite a few relaxing opportunities available on the mn10300:
252b5132
RH		 2619
2620 * calls:32 -> calls:16 2 bytes
2621 * call:32 -> call:16 2 bytes
2622
2623 * call:32 -> calls:32 1 byte
2624 * call:16 -> calls:16 1 byte
2625 * These are done anytime using "calls" would result
2626 in smaller code, or when necessary to preserve the
2627 meaning of the program.
2628
2629 * call:32 varies
2630 * call:16
2631 * In some circumstances we can move instructions
2632 from a function prologue into a "call" instruction.
2633 This is only done if the resulting code is no larger
2634 than the original code.
2635
252b5132
RH		 2636 * jmp:32 -> jmp:16 2 bytes
2637 * jmp:16 -> bra:8 1 byte
2638
2639 * If the previous instruction is a conditional branch
2640 around the jump/bra, we may be able to reverse its condition
2641 and change its target to the jump's target. The jump/bra
2642 can then be deleted. 2 bytes
2643
2644 * mov abs32 -> mov abs16 1 or 2 bytes
2645
2646 * Most instructions which accept imm32 can relax to imm16 1 or 2 bytes
2647 - Most instructions which accept imm16 can relax to imm8 1 or 2 bytes
2648
2649 * Most instructions which accept d32 can relax to d16 1 or 2 bytes
2650 - Most instructions which accept d16 can relax to d8 1 or 2 bytes
2651
2652 We don't handle imm16->imm8 or d16->d8 as they're very rare
2653 and somewhat more difficult to support. */
2654
b34976b6 2655static bfd_boolean
603b7257
NC		 2656mn10300_elf_relax_section (bfd *abfd,
2657 asection *sec,
2658 struct bfd_link_info *link_info,
2659 bfd_boolean *again)
252b5132
RH		 2660{
2661 Elf_Internal_Shdr *symtab_hdr;
2662 Elf_Internal_Rela *internal_relocs = NULL;
252b5132
RH		 2663 Elf_Internal_Rela *irel, *irelend;
2664 bfd_byte *contents = NULL;
6cdc0ccc 2665 Elf_Internal_Sym *isymbuf = NULL;
252b5132 2666 struct elf32_mn10300_link_hash_table *hash_table;
6cdc0ccc 2667 asection *section = sec;
fc91707c 2668 bfd_vma align_gap_adjustment;
252b5132 2669
0e1862bb 2670 if (bfd_link_relocatable (link_info))
c8a1f254
NS		 2671 (*link_info->callbacks->einfo)
2672 (_("%P%F: --relax and -r may not be used together\n"));
2673
252b5132 2674 /* Assume nothing changes. */
b34976b6 2675 *again = FALSE;
252b5132
RH		 2676
2677 /* We need a pointer to the mn10300 specific hash table. */
2678 hash_table = elf32_mn10300_hash_table (link_info);
4dfe6ac6
NC		 2679 if (hash_table == NULL)
2680 return FALSE;
252b5132
RH		 2681
2682 /* Initialize fields in each hash table entry the first time through. */
2683 if ((hash_table->flags & MN10300_HASH_ENTRIES_INITIALIZED) == 0)
2684 {
2685 bfd *input_bfd;
2686
2687 /* Iterate over all the input bfds. */
2688 for (input_bfd = link_info->input_bfds;
2689 input_bfd != NULL;
c72f2fb2 2690 input_bfd = input_bfd->link.next)
252b5132 2691 {
252b5132
RH		 2692 /* We're going to need all the symbols for each bfd. */
2693 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
6cdc0ccc 2694 if (symtab_hdr->sh_info != 0)
9ad5cbcf 2695 {
6cdc0ccc
AM		 2696 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2697 if (isymbuf == NULL)
2698 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
2699 symtab_hdr->sh_info, 0,
2700 NULL, NULL, NULL);
2701 if (isymbuf == NULL)
010ac81f
KH		 2702 goto error_return;
2703 }
252b5132
RH		 2704
2705 /* Iterate over each section in this bfd. */
2706 for (section = input_bfd->sections;
2707 section != NULL;
2708 section = section->next)
2709 {
2710 struct elf32_mn10300_link_hash_entry *hash;
86033394 2711 asection *sym_sec = NULL;
252b5132
RH		 2712 const char *sym_name;
2713 char *new_name;
252b5132 2714
e948afaf 2715 /* If there's nothing to do in this section, skip it. */
eb13e63f
DD		 2716 if (! ((section->flags & SEC_RELOC) != 0
2717 && section->reloc_count != 0))
2718 continue;
2719 if ((section->flags & SEC_ALLOC) == 0)
e948afaf
AO		 2720 continue;
2721
252b5132
RH		 2722 /* Get cached copy of section contents if it exists. */
2723 if (elf_section_data (section)->this_hdr.contents != NULL)
2724 contents = elf_section_data (section)->this_hdr.contents;
eea6121a 2725 else if (section->size != 0)
252b5132
RH		 2726 {
2727 /* Go get them off disk. */
eea6121a
AM		 2728 if (!bfd_malloc_and_get_section (input_bfd, section,
2729 &contents))
252b5132
RH		 2730 goto error_return;
2731 }
2732 else
6cdc0ccc 2733 contents = NULL;
252b5132
RH		 2734
2735 /* If there aren't any relocs, then there's nothing to do. */
2736 if ((section->flags & SEC_RELOC) != 0
2737 && section->reloc_count != 0)
2738 {
252b5132 2739 /* Get a copy of the native relocations. */
603b7257
NC		 2740 internal_relocs = _bfd_elf_link_read_relocs (input_bfd, section,
2741 NULL, NULL,
2742 link_info->keep_memory);
252b5132
RH		 2743 if (internal_relocs == NULL)
2744 goto error_return;
252b5132
RH		 2745
2746 /* Now examine each relocation. */
2747 irel = internal_relocs;
2748 irelend = irel + section->reloc_count;
2749 for (; irel < irelend; irel++)
2750 {
2751 long r_type;
2752 unsigned long r_index;
2753 unsigned char code;
2754
2755 r_type = ELF32_R_TYPE (irel->r_info);
2756 r_index = ELF32_R_SYM (irel->r_info);
2757
010ac81f 2758 if (r_type < 0 || r_type >= (int) R_MN10300_MAX)
252b5132
RH		 2759 goto error_return;
2760
2761 /* We need the name and hash table entry of the target
2762 symbol! */
2763 hash = NULL;
252b5132
RH		 2764 sym_sec = NULL;
2765
2766 if (r_index < symtab_hdr->sh_info)
2767 {
2768 /* A local symbol. */
6cdc0ccc 2769 Elf_Internal_Sym *isym;
dc810e39
AM		 2770 struct elf_link_hash_table *elftab;
2771 bfd_size_type amt;
252b5132 2772
6cdc0ccc
AM		 2773 isym = isymbuf + r_index;
2774 if (isym->st_shndx == SHN_UNDEF)
252b5132 2775 sym_sec = bfd_und_section_ptr;
6cdc0ccc 2776 else if (isym->st_shndx == SHN_ABS)
252b5132 2777 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 2778 else if (isym->st_shndx == SHN_COMMON)
252b5132 2779 sym_sec = bfd_com_section_ptr;
9ad5cbcf
AM		 2780 else
2781 sym_sec
2782 = bfd_section_from_elf_index (input_bfd,
6cdc0ccc 2783 isym->st_shndx);
a7c10850 2784
9ad5cbcf
AM		 2785 sym_name
2786 = bfd_elf_string_from_elf_section (input_bfd,
2787 (symtab_hdr
2788 ->sh_link),
6cdc0ccc 2789 isym->st_name);
252b5132
RH		 2790
2791 /* If it isn't a function, then we don't care
2792 about it. */
6cdc0ccc 2793 if (ELF_ST_TYPE (isym->st_info) != STT_FUNC)
252b5132
RH		 2794 continue;
2795
2796 /* Tack on an ID so we can uniquely identify this
2797 local symbol in the global hash table. */
dc810e39
AM		 2798 amt = strlen (sym_name) + 10;
2799 new_name = bfd_malloc (amt);
bfff1642 2800 if (new_name == NULL)
252b5132
RH		 2801 goto error_return;
2802
f60ca5e3 2803 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 2804 sym_name = new_name;
2805
dc810e39
AM		 2806 elftab = &hash_table->static_hash_table->root;
2807 hash = ((struct elf32_mn10300_link_hash_entry *)
2808 elf_link_hash_lookup (elftab, sym_name,
b34976b6 2809 TRUE, TRUE, FALSE));
252b5132
RH		 2810 free (new_name);
2811 }
2812 else
2813 {
2814 r_index -= symtab_hdr->sh_info;
2815 hash = (struct elf32_mn10300_link_hash_entry *)
2816 elf_sym_hashes (input_bfd)[r_index];
2817 }
2818
eb13e63f
DD		 2819 sym_name = hash->root.root.root.string;
2820 if ((section->flags & SEC_CODE) != 0)
2821 {
2822 /* If this is not a "call" instruction, then we
2823 should convert "call" instructions to "calls"
2824 instructions. */
2825 code = bfd_get_8 (input_bfd,
2826 contents + irel->r_offset - 1);
2827 if (code != 0xdd && code != 0xcd)
2828 hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2829 }
252b5132 2830
6cdc0ccc
AM		 2831 /* If this is a jump/call, then bump the
2832 direct_calls counter. Else force "call" to
2833 "calls" conversions. */
252b5132 2834 if (r_type == R_MN10300_PCREL32
03a12831
AO		 2835 || r_type == R_MN10300_PLT32
2836 || r_type == R_MN10300_PLT16
252b5132
RH		 2837 || r_type == R_MN10300_PCREL16)
2838 hash->direct_calls++;
2839 else
2840 hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2841 }
2842 }
2843
2844 /* Now look at the actual contents to get the stack size,
2845 and a list of what registers were saved in the prologue
2846 (ie movm_args). */
2847 if ((section->flags & SEC_CODE) != 0)
2848 {
6cdc0ccc 2849 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 2850 unsigned int sec_shndx;
6cdc0ccc
AM		 2851 struct elf_link_hash_entry **hashes;
2852 struct elf_link_hash_entry **end_hashes;
2853 unsigned int symcount;
252b5132 2854
9ad5cbcf
AM		 2855 sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
2856 section);
252b5132 2857
1055df0f
AO		 2858 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2859 - symtab_hdr->sh_info);
2860 hashes = elf_sym_hashes (input_bfd);
2861 end_hashes = hashes + symcount;
2862
252b5132
RH		 2863 /* Look at each function defined in this section and
2864 update info for that function. */
6cdc0ccc
AM		 2865 isymend = isymbuf + symtab_hdr->sh_info;
2866 for (isym = isymbuf; isym < isymend; isym++)
252b5132 2867 {
6cdc0ccc
AM		 2868 if (isym->st_shndx == sec_shndx
2869 && ELF_ST_TYPE (isym->st_info) == STT_FUNC)
252b5132 2870 {
dc810e39
AM		 2871 struct elf_link_hash_table *elftab;
2872 bfd_size_type amt;
1055df0f
AO		 2873 struct elf_link_hash_entry **lhashes = hashes;
2874
2875 /* Skip a local symbol if it aliases a
2876 global one. */
2877 for (; lhashes < end_hashes; lhashes++)
2878 {
2879 hash = (struct elf32_mn10300_link_hash_entry *) *lhashes;
2880 if ((hash->root.root.type == bfd_link_hash_defined
2881 || hash->root.root.type == bfd_link_hash_defweak)
2882 && hash->root.root.u.def.section == section
2883 && hash->root.type == STT_FUNC
2884 && hash->root.root.u.def.value == isym->st_value)
2885 break;
2886 }
2887 if (lhashes != end_hashes)
2888 continue;
dc810e39 2889
6cdc0ccc 2890 if (isym->st_shndx == SHN_UNDEF)
252b5132 2891 sym_sec = bfd_und_section_ptr;
6cdc0ccc 2892 else if (isym->st_shndx == SHN_ABS)
252b5132 2893 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 2894 else if (isym->st_shndx == SHN_COMMON)
252b5132 2895 sym_sec = bfd_com_section_ptr;
9ad5cbcf
AM		 2896 else
2897 sym_sec
2898 = bfd_section_from_elf_index (input_bfd,
6cdc0ccc 2899 isym->st_shndx);
252b5132 2900
dc810e39
AM		 2901 sym_name = (bfd_elf_string_from_elf_section
2902 (input_bfd, symtab_hdr->sh_link,
6cdc0ccc 2903 isym->st_name));
252b5132
RH		 2904
2905 /* Tack on an ID so we can uniquely identify this
2906 local symbol in the global hash table. */
dc810e39
AM		 2907 amt = strlen (sym_name) + 10;
2908 new_name = bfd_malloc (amt);
bfff1642 2909 if (new_name == NULL)
252b5132
RH		 2910 goto error_return;
2911
f60ca5e3 2912 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 2913 sym_name = new_name;
2914
dc810e39
AM		 2915 elftab = &hash_table->static_hash_table->root;
2916 hash = ((struct elf32_mn10300_link_hash_entry *)
2917 elf_link_hash_lookup (elftab, sym_name,
b34976b6 2918 TRUE, TRUE, FALSE));
252b5132
RH		 2919 free (new_name);
2920 compute_function_info (input_bfd, hash,
6cdc0ccc 2921 isym->st_value, contents);
eb13e63f 2922 hash->value = isym->st_value;
252b5132
RH		 2923 }
2924 }
2925
6cdc0ccc 2926 for (; hashes < end_hashes; hashes++)
252b5132 2927 {
6cdc0ccc 2928 hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
9ad5cbcf
AM		 2929 if ((hash->root.root.type == bfd_link_hash_defined
2930 || hash->root.root.type == bfd_link_hash_defweak)
2931 && hash->root.root.u.def.section == section
9bb351fd 2932 && hash->root.type == STT_FUNC)
252b5132
RH		 2933 compute_function_info (input_bfd, hash,
2934 (hash)->root.root.u.def.value,
2935 contents);
2936 }
2937 }
2938
2939 /* Cache or free any memory we allocated for the relocs. */
6cdc0ccc
AM		 2940 if (internal_relocs != NULL
2941 && elf_section_data (section)->relocs != internal_relocs)
2942 free (internal_relocs);
2943 internal_relocs = NULL;
252b5132
RH		 2944
2945 /* Cache or free any memory we allocated for the contents. */
6cdc0ccc
AM		 2946 if (contents != NULL
2947 && elf_section_data (section)->this_hdr.contents != contents)
252b5132
RH		 2948 {
2949 if (! link_info->keep_memory)
6cdc0ccc 2950 free (contents);
252b5132
RH		 2951 else
2952 {
2953 /* Cache the section contents for elf_link_input_bfd. */
2954 elf_section_data (section)->this_hdr.contents = contents;
2955 }
252b5132 2956 }
6cdc0ccc 2957 contents = NULL;
9ad5cbcf
AM		 2958 }
2959
252b5132 2960 /* Cache or free any memory we allocated for the symbols. */
6cdc0ccc
AM		 2961 if (isymbuf != NULL
2962 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH		 2963 {
2964 if (! link_info->keep_memory)
6cdc0ccc 2965 free (isymbuf);
252b5132
RH		 2966 else
2967 {
2968 /* Cache the symbols for elf_link_input_bfd. */
6cdc0ccc 2969 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 2970 }
252b5132 2971 }
6cdc0ccc 2972 isymbuf = NULL;
252b5132
RH		 2973 }
2974
2975 /* Now iterate on each symbol in the hash table and perform
2976 the final initialization steps on each. */
2977 elf32_mn10300_link_hash_traverse (hash_table,
2978 elf32_mn10300_finish_hash_table_entry,
1055df0f 2979 link_info);
252b5132
RH		 2980 elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2981 elf32_mn10300_finish_hash_table_entry,
1055df0f 2982 link_info);
252b5132 2983
eb13e63f
DD		 2984 {
2985 /* This section of code collects all our local symbols, sorts
2986 them by value, and looks for multiple symbols referring to
2987 the same address. For those symbols, the flags are merged.
2988 At this point, the only flag that can be set is
2989 MN10300_CONVERT_CALL_TO_CALLS, so we simply OR the flags
2990 together. */
2991 int static_count = 0, i;
2992 struct elf32_mn10300_link_hash_entry **entries;
2993 struct elf32_mn10300_link_hash_entry **ptr;
2994
2995 elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2996 elf32_mn10300_count_hash_table_entries,
2997 &static_count);
2998
603b7257 2999 entries = bfd_malloc (static_count * sizeof (* ptr));
eb13e63f
DD		 3000
3001 ptr = entries;
3002 elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
3003 elf32_mn10300_list_hash_table_entries,
603b7257 3004 & ptr);
eb13e63f 3005
603b7257 3006 qsort (entries, static_count, sizeof (entries[0]), sort_by_value);
eb13e63f 3007
603b7257 3008 for (i = 0; i < static_count - 1; i++)
eb13e63f
DD		 3009 if (entries[i]->value && entries[i]->value == entries[i+1]->value)
3010 {
3011 int v = entries[i]->flags;
3012 int j;
603b7257
NC		 3013
3014 for (j = i + 1; j < static_count && entries[j]->value == entries[i]->value; j++)
eb13e63f 3015 v |= entries[j]->flags;
603b7257
NC		 3016
3017 for (j = i; j < static_count && entries[j]->value == entries[i]->value; j++)
eb13e63f 3018 entries[j]->flags = v;
603b7257
NC		 3019
3020 i = j - 1;
eb13e63f
DD		 3021 }
3022 }
3023
252b5132
RH		 3024 /* All entries in the hash table are fully initialized. */
3025 hash_table->flags |= MN10300_HASH_ENTRIES_INITIALIZED;
3026
3027 /* Now that everything has been initialized, go through each
3028 code section and delete any prologue insns which will be
3029 redundant because their operations will be performed by
3030 a "call" instruction. */
3031 for (input_bfd = link_info->input_bfds;
3032 input_bfd != NULL;
c72f2fb2 3033 input_bfd = input_bfd->link.next)
252b5132 3034 {
9ad5cbcf 3035 /* We're going to need all the local symbols for each bfd. */
252b5132 3036 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
6cdc0ccc 3037 if (symtab_hdr->sh_info != 0)
9ad5cbcf 3038 {
6cdc0ccc
AM		 3039 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3040 if (isymbuf == NULL)
3041 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
3042 symtab_hdr->sh_info, 0,
3043 NULL, NULL, NULL);
3044 if (isymbuf == NULL)
9ad5cbcf 3045 goto error_return;
010ac81f 3046 }
252b5132
RH		 3047
3048 /* Walk over each section in this bfd. */
3049 for (section = input_bfd->sections;
3050 section != NULL;
3051 section = section->next)
3052 {
9ad5cbcf 3053 unsigned int sec_shndx;
6cdc0ccc
AM		 3054 Elf_Internal_Sym *isym, *isymend;
3055 struct elf_link_hash_entry **hashes;
3056 struct elf_link_hash_entry **end_hashes;
3057 unsigned int symcount;
252b5132
RH		 3058
3059 /* Skip non-code sections and empty sections. */
eea6121a 3060 if ((section->flags & SEC_CODE) == 0 || section->size == 0)
252b5132
RH		 3061 continue;
3062
3063 if (section->reloc_count != 0)
3064 {
010ac81f 3065 /* Get a copy of the native relocations. */
603b7257
NC		 3066 internal_relocs = _bfd_elf_link_read_relocs (input_bfd, section,
3067 NULL, NULL,
3068 link_info->keep_memory);
010ac81f
KH		 3069 if (internal_relocs == NULL)
3070 goto error_return;
252b5132
RH		 3071 }
3072
3073 /* Get cached copy of section contents if it exists. */
3074 if (elf_section_data (section)->this_hdr.contents != NULL)
3075 contents = elf_section_data (section)->this_hdr.contents;
3076 else
3077 {
3078 /* Go get them off disk. */
eea6121a
AM		 3079 if (!bfd_malloc_and_get_section (input_bfd, section,
3080 &contents))
252b5132
RH		 3081 goto error_return;
3082 }
3083
9ad5cbcf
AM		 3084 sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
3085 section);
252b5132
RH		 3086
3087 /* Now look for any function in this section which needs
3088 insns deleted from its prologue. */
6cdc0ccc
AM		 3089 isymend = isymbuf + symtab_hdr->sh_info;
3090 for (isym = isymbuf; isym < isymend; isym++)
252b5132 3091 {
252b5132 3092 struct elf32_mn10300_link_hash_entry *sym_hash;
86033394 3093 asection *sym_sec = NULL;
252b5132 3094 const char *sym_name;
252b5132 3095 char *new_name;
dc810e39
AM		 3096 struct elf_link_hash_table *elftab;
3097 bfd_size_type amt;
252b5132 3098
6cdc0ccc 3099 if (isym->st_shndx != sec_shndx)
252b5132
RH		 3100 continue;
3101
6cdc0ccc 3102 if (isym->st_shndx == SHN_UNDEF)
252b5132 3103 sym_sec = bfd_und_section_ptr;
6cdc0ccc 3104 else if (isym->st_shndx == SHN_ABS)
252b5132 3105 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 3106 else if (isym->st_shndx == SHN_COMMON)
252b5132 3107 sym_sec = bfd_com_section_ptr;
86033394 3108 else
9ad5cbcf 3109 sym_sec
6cdc0ccc 3110 = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
a7c10850 3111
9ad5cbcf
AM		 3112 sym_name
3113 = bfd_elf_string_from_elf_section (input_bfd,
3114 symtab_hdr->sh_link,
6cdc0ccc 3115 isym->st_name);
252b5132
RH		 3116
3117 /* Tack on an ID so we can uniquely identify this
3118 local symbol in the global hash table. */
dc810e39
AM		 3119 amt = strlen (sym_name) + 10;
3120 new_name = bfd_malloc (amt);
bfff1642 3121 if (new_name == NULL)
252b5132 3122 goto error_return;
f60ca5e3 3123 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 3124 sym_name = new_name;
3125
603b7257
NC		 3126 elftab = & hash_table->static_hash_table->root;
3127 sym_hash = (struct elf32_mn10300_link_hash_entry *)
3128 elf_link_hash_lookup (elftab, sym_name,
3129 FALSE, FALSE, FALSE);
252b5132
RH		 3130
3131 free (new_name);
3132 if (sym_hash == NULL)
3133 continue;
3134
9ad5cbcf
AM		 3135 if (! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
3136 && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
252b5132
RH		 3137 {
3138 int bytes = 0;
3139
3140 /* Note that we've changed things. */
3141 elf_section_data (section)->relocs = internal_relocs;
252b5132 3142 elf_section_data (section)->this_hdr.contents = contents;
6cdc0ccc 3143 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3144
3145 /* Count how many bytes we're going to delete. */
3146 if (sym_hash->movm_args)
3147 bytes += 2;
3148
1a101a42
AM		 3149 if (sym_hash->stack_size > 0)
3150 {
3151 if (sym_hash->stack_size <= 128)
3152 bytes += 3;
3153 else
3154 bytes += 4;
3155 }
252b5132
RH		 3156
3157 /* Note that we've deleted prologue bytes for this
3158 function. */
3159 sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3160
3161 /* Actually delete the bytes. */
3162 if (!mn10300_elf_relax_delete_bytes (input_bfd,
3163 section,
6cdc0ccc 3164 isym->st_value,
252b5132
RH		 3165 bytes))
3166 goto error_return;
3167
3168 /* Something changed. Not strictly necessary, but
3169 may lead to more relaxing opportunities. */
b34976b6 3170 *again = TRUE;
252b5132
RH		 3171 }
3172 }
3173
3174 /* Look for any global functions in this section which
3175 need insns deleted from their prologues. */
6cdc0ccc 3176 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
9ad5cbcf 3177 - symtab_hdr->sh_info);
709e685d 3178 hashes = elf_sym_hashes (input_bfd);
6cdc0ccc
AM		 3179 end_hashes = hashes + symcount;
3180 for (; hashes < end_hashes; hashes++)
252b5132 3181 {
252b5132
RH		 3182 struct elf32_mn10300_link_hash_entry *sym_hash;
3183
6cdc0ccc 3184 sym_hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
9ad5cbcf
AM		 3185 if ((sym_hash->root.root.type == bfd_link_hash_defined
3186 || sym_hash->root.root.type == bfd_link_hash_defweak)
3187 && sym_hash->root.root.u.def.section == section
3188 && ! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
3189 && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
252b5132
RH		 3190 {
3191 int bytes = 0;
9ad5cbcf 3192 bfd_vma symval;
0a22ae8e 3193 struct elf_link_hash_entry **hh;
252b5132
RH		 3194
3195 /* Note that we've changed things. */
3196 elf_section_data (section)->relocs = internal_relocs;
252b5132 3197 elf_section_data (section)->this_hdr.contents = contents;
6cdc0ccc 3198 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3199
3200 /* Count how many bytes we're going to delete. */
3201 if (sym_hash->movm_args)
3202 bytes += 2;
3203
1a101a42
AM		 3204 if (sym_hash->stack_size > 0)
3205 {
3206 if (sym_hash->stack_size <= 128)
3207 bytes += 3;
3208 else
3209 bytes += 4;
3210 }
252b5132
RH		 3211
3212 /* Note that we've deleted prologue bytes for this
3213 function. */
3214 sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3215
3216 /* Actually delete the bytes. */
9ad5cbcf 3217 symval = sym_hash->root.root.u.def.value;
252b5132
RH		 3218 if (!mn10300_elf_relax_delete_bytes (input_bfd,
3219 section,
9ad5cbcf 3220 symval,
252b5132
RH		 3221 bytes))
3222 goto error_return;
3223
0a22ae8e
NC		 3224 /* There may be other C++ functions symbols with the same
3225 address. If so then mark these as having had their
3226 prologue bytes deleted as well. */
3227 for (hh = elf_sym_hashes (input_bfd); hh < end_hashes; hh++)
3228 {
3229 struct elf32_mn10300_link_hash_entry *h;
3230
3231 h = (struct elf32_mn10300_link_hash_entry *) * hh;
3232
3233 if (h != sym_hash
3234 && (h->root.root.type == bfd_link_hash_defined
3235 || h->root.root.type == bfd_link_hash_defweak)
3236 && h->root.root.u.def.section == section
3237 && ! (h->flags & MN10300_CONVERT_CALL_TO_CALLS)
3238 && h->root.root.u.def.value == symval
3239 && h->root.type == STT_FUNC)
3240 h->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3241 }
3242
252b5132
RH		 3243 /* Something changed. Not strictly necessary, but
3244 may lead to more relaxing opportunities. */
b34976b6 3245 *again = TRUE;
252b5132
RH		 3246 }
3247 }
3248
3249 /* Cache or free any memory we allocated for the relocs. */
6cdc0ccc
AM		 3250 if (internal_relocs != NULL
3251 && elf_section_data (section)->relocs != internal_relocs)
3252 free (internal_relocs);
3253 internal_relocs = NULL;
252b5132
RH		 3254
3255 /* Cache or free any memory we allocated for the contents. */
6cdc0ccc
AM		 3256 if (contents != NULL
3257 && elf_section_data (section)->this_hdr.contents != contents)
252b5132
RH		 3258 {
3259 if (! link_info->keep_memory)
6cdc0ccc 3260 free (contents);
252b5132 3261 else
603b7257
NC		 3262 /* Cache the section contents for elf_link_input_bfd. */
3263 elf_section_data (section)->this_hdr.contents = contents;
252b5132 3264 }
6cdc0ccc 3265 contents = NULL;
9ad5cbcf
AM		 3266 }
3267
252b5132 3268 /* Cache or free any memory we allocated for the symbols. */
6cdc0ccc
AM		 3269 if (isymbuf != NULL
3270 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH		 3271 {
3272 if (! link_info->keep_memory)
6cdc0ccc
AM		 3273 free (isymbuf);
3274 else
603b7257
NC		 3275 /* Cache the symbols for elf_link_input_bfd. */
3276 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 3277 }
6cdc0ccc 3278 isymbuf = NULL;
252b5132
RH		 3279 }
3280 }
3281
252b5132
RH		 3282 /* (Re)initialize for the basic instruction shortening/relaxing pass. */
3283 contents = NULL;
252b5132 3284 internal_relocs = NULL;
6cdc0ccc
AM		 3285 isymbuf = NULL;
3286 /* For error_return. */
3287 section = sec;
252b5132 3288
1049f94e 3289 /* We don't have to do anything for a relocatable link, if
252b5132
RH		 3290 this section does not have relocs, or if this is not a
3291 code section. */
0e1862bb 3292 if (bfd_link_relocatable (link_info)
252b5132
RH		 3293 || (sec->flags & SEC_RELOC) == 0
3294 || sec->reloc_count == 0
3295 || (sec->flags & SEC_CODE) == 0)
b34976b6 3296 return TRUE;
252b5132 3297
252b5132
RH		 3298 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3299
3300 /* Get a copy of the native relocations. */
603b7257
NC		 3301 internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL,
3302 link_info->keep_memory);
252b5132
RH		 3303 if (internal_relocs == NULL)
3304 goto error_return;
252b5132 3305
fc91707c
NC		 3306 /* Scan for worst case alignment gap changes. Note that this logic
3307 is not ideal; what we should do is run this scan for every
3308 opcode/address range and adjust accordingly, but that's
3309 expensive. Worst case is that for an alignment of N bytes, we
3310 move by 2*N-N-1 bytes, assuming we have aligns of 1, 2, 4, 8, etc
3311 all before it. Plus, this still doesn't cover cross-section
3312 jumps with section alignment. */
3313 irelend = internal_relocs + sec->reloc_count;
3314 align_gap_adjustment = 0;
3315 for (irel = internal_relocs; irel < irelend; irel++)
3316 {
3317 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN)
3318 {
3319 bfd_vma adj = 1 << irel->r_addend;
3320 bfd_vma aend = irel->r_offset;
3321
3322 aend = BFD_ALIGN (aend, 1 << irel->r_addend);
e23f1610 3323 adj = 2 * adj - adj - 1;
fc91707c
NC		 3324
3325 /* Record the biggest adjustmnet. Skip any alignment at the
3326 end of our section. */
3327 if (align_gap_adjustment < adj
3328 && aend < sec->output_section->vma + sec->output_offset + sec->size)
3329 align_gap_adjustment = adj;
3330 }
3331 }
3332
252b5132
RH		 3333 /* Walk through them looking for relaxing opportunities. */
3334 irelend = internal_relocs + sec->reloc_count;
3335 for (irel = internal_relocs; irel < irelend; irel++)
3336 {
3337 bfd_vma symval;
605d18d4
DD		 3338 bfd_signed_vma jump_offset;
3339 asection *sym_sec = NULL;
252b5132
RH		 3340 struct elf32_mn10300_link_hash_entry *h = NULL;
3341
3342 /* If this isn't something that can be relaxed, then ignore
3343 this reloc. */
3344 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_NONE
3345 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_8
3346 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_MAX)
3347 continue;
3348
3349 /* Get the section contents if we haven't done so already. */
3350 if (contents == NULL)
3351 {
3352 /* Get cached copy if it exists. */
3353 if (elf_section_data (sec)->this_hdr.contents != NULL)
3354 contents = elf_section_data (sec)->this_hdr.contents;
3355 else
3356 {
3357 /* Go get them off disk. */
eea6121a 3358 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH		 3359 goto error_return;
3360 }
3361 }
3362
b34976b6 3363 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 3364 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 3365 {
6cdc0ccc
AM		 3366 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3367 if (isymbuf == NULL)
3368 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
3369 symtab_hdr->sh_info, 0,
3370 NULL, NULL, NULL);
3371 if (isymbuf == NULL)
3372 goto error_return;
252b5132
RH		 3373 }
3374
3375 /* Get the value of the symbol referred to by the reloc. */
3376 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
3377 {
6cdc0ccc 3378 Elf_Internal_Sym *isym;
252b5132
RH		 3379 const char *sym_name;
3380 char *new_name;
3381
3382 /* A local symbol. */
6cdc0ccc
AM		 3383 isym = isymbuf + ELF32_R_SYM (irel->r_info);
3384 if (isym->st_shndx == SHN_UNDEF)
252b5132 3385 sym_sec = bfd_und_section_ptr;
6cdc0ccc 3386 else if (isym->st_shndx == SHN_ABS)
252b5132 3387 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 3388 else if (isym->st_shndx == SHN_COMMON)
252b5132 3389 sym_sec = bfd_com_section_ptr;
86033394 3390 else
6cdc0ccc 3391 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
a7c10850 3392
252b5132
RH		 3393 sym_name = bfd_elf_string_from_elf_section (abfd,
3394 symtab_hdr->sh_link,
6cdc0ccc 3395 isym->st_name);
252b5132 3396
dd90f1b2 3397 if ((sym_sec->flags & SEC_MERGE)
dbaa2011 3398 && sym_sec->sec_info_type == SEC_INFO_TYPE_MERGE)
dd90f1b2 3399 {
2709f570
NC		 3400 symval = isym->st_value;
3401
3402 /* GAS may reduce relocations against symbols in SEC_MERGE
3403 sections to a relocation against the section symbol when
3404 the original addend was zero. When the reloc is against
3405 a section symbol we should include the addend in the
3406 offset passed to _bfd_merged_section_offset, since the
3407 location of interest is the original symbol. On the
3408 other hand, an access to "sym+addend" where "sym" is not
3409 a section symbol should not include the addend; Such an
3410 access is presumed to be an offset from "sym"; The
3411 location of interest is just "sym". */
3412 if (ELF_ST_TYPE (isym->st_info) == STT_SECTION)
3413 symval += irel->r_addend;
3414
281153f3
NC		 3415 symval = _bfd_merged_section_offset (abfd, & sym_sec,
3416 elf_section_data (sym_sec)->sec_info,
3417 symval);
2709f570
NC		 3418
3419 if (ELF_ST_TYPE (isym->st_info) != STT_SECTION)
3420 symval += irel->r_addend;
3421
3422 symval += sym_sec->output_section->vma
3423 + sym_sec->output_offset - irel->r_addend;
dd90f1b2
DD		 3424 }
3425 else
bfff1642
NC		 3426 symval = (isym->st_value
3427 + sym_sec->output_section->vma
3428 + sym_sec->output_offset);
603b7257 3429
252b5132
RH		 3430 /* Tack on an ID so we can uniquely identify this
3431 local symbol in the global hash table. */
dc810e39 3432 new_name = bfd_malloc ((bfd_size_type) strlen (sym_name) + 10);
bfff1642 3433 if (new_name == NULL)
252b5132 3434 goto error_return;
f60ca5e3 3435 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 3436 sym_name = new_name;
3437
3438 h = (struct elf32_mn10300_link_hash_entry *)
3439 elf_link_hash_lookup (&hash_table->static_hash_table->root,
b34976b6 3440 sym_name, FALSE, FALSE, FALSE);
252b5132
RH		 3441 free (new_name);
3442 }
3443 else
3444 {
3445 unsigned long indx;
3446
3447 /* An external symbol. */
3448 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3449 h = (struct elf32_mn10300_link_hash_entry *)
3450 (elf_sym_hashes (abfd)[indx]);
3451 BFD_ASSERT (h != NULL);
3452 if (h->root.root.type != bfd_link_hash_defined
3453 && h->root.root.type != bfd_link_hash_defweak)
603b7257
NC		 3454 /* This appears to be a reference to an undefined
3455 symbol. Just ignore it--it will be caught by the
3456 regular reloc processing. */
3457 continue;
252b5132 3458
bfff1642
NC		 3459 /* Check for a reference to a discarded symbol and ignore it. */
3460 if (h->root.root.u.def.section->output_section == NULL)
3461 continue;
3462
605d18d4
DD		 3463 sym_sec = h->root.root.u.def.section->output_section;
3464
252b5132
RH		 3465 symval = (h->root.root.u.def.value
3466 + h->root.root.u.def.section->output_section->vma
3467 + h->root.root.u.def.section->output_offset);
3468 }
3469
3470 /* For simplicity of coding, we are going to modify the section
3471 contents, the section relocs, and the BFD symbol table. We
3472 must tell the rest of the code not to free up this
3473 information. It would be possible to instead create a table
3474 of changes which have to be made, as is done in coff-mips.c;
3475 that would be more work, but would require less memory when
3476 the linker is run. */
3477
3478 /* Try to turn a 32bit pc-relative branch/call into a 16bit pc-relative
3479 branch/call, also deal with "call" -> "calls" conversions and
3480 insertion of prologue data into "call" instructions. */
03a12831
AO		 3481 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL32
3482 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32)
252b5132
RH		 3483 {
3484 bfd_vma value = symval;
3485
03a12831
AO		 3486 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32
3487 && h != NULL
3488 && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
3489 && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
3490 && h->root.plt.offset != (bfd_vma) -1)
3491 {
3492 asection * splt;
3493
3d4d4302 3494 splt = hash_table->root.splt;
03a12831
AO		 3495 value = ((splt->output_section->vma
3496 + splt->output_offset
3497 + h->root.plt.offset)
3498 - (sec->output_section->vma
3499 + sec->output_offset
3500 + irel->r_offset));
3501 }
3502
252b5132
RH		 3503 /* If we've got a "call" instruction that needs to be turned
3504 into a "calls" instruction, do so now. It saves a byte. */
3505 if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
3506 {
3507 unsigned char code;
3508
3509 /* Get the opcode. */
3510 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3511
3512 /* Make sure we're working with a "call" instruction! */
3513 if (code == 0xdd)
3514 {
3515 /* Note that we've changed the relocs, section contents,
3516 etc. */
3517 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3518 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3519 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3520
3521 /* Fix the opcode. */
3522 bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 1);
3523 bfd_put_8 (abfd, 0xff, contents + irel->r_offset);
3524
3525 /* Fix irel->r_offset and irel->r_addend. */
3526 irel->r_offset += 1;
3527 irel->r_addend += 1;
3528
3529 /* Delete one byte of data. */
3530 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3531 irel->r_offset + 3, 1))
3532 goto error_return;
3533
3534 /* That will change things, so, we should relax again.
3535 Note that this is not required, and it may be slow. */
b34976b6 3536 *again = TRUE;
252b5132
RH		 3537 }
3538 }
3539 else if (h)
3540 {
3541 /* We've got a "call" instruction which needs some data
3542 from target function filled in. */
3543 unsigned char code;
3544
3545 /* Get the opcode. */
3546 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3547
3548 /* Insert data from the target function into the "call"
3549 instruction if needed. */
3550 if (code == 0xdd)
3551 {
3552 bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 4);
3553 bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
3554 contents + irel->r_offset + 5);
3555 }
3556 }
3557
3558 /* Deal with pc-relative gunk. */
3559 value -= (sec->output_section->vma + sec->output_offset);
3560 value -= irel->r_offset;
3561 value += irel->r_addend;
3562
3563 /* See if the value will fit in 16 bits, note the high value is
3564 0x7fff + 2 as the target will be two bytes closer if we are
605d18d4
DD		 3565 able to relax, if it's in the same section. */
3566 if (sec->output_section == sym_sec->output_section)
3567 jump_offset = 0x8001;
3568 else
3569 jump_offset = 0x7fff;
3570
fc91707c
NC		 3571 /* Account for jumps across alignment boundaries using
3572 align_gap_adjustment. */
605d18d4 3573 if ((bfd_signed_vma) value < jump_offset - (bfd_signed_vma) align_gap_adjustment
fc91707c 3574 && ((bfd_signed_vma) value > -0x8000 + (bfd_signed_vma) align_gap_adjustment))
252b5132
RH		 3575 {
3576 unsigned char code;
3577
3578 /* Get the opcode. */
3579 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3580
3581 if (code != 0xdc && code != 0xdd && code != 0xff)
3582 continue;
3583
3584 /* Note that we've changed the relocs, section contents, etc. */
3585 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3586 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3587 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3588
3589 /* Fix the opcode. */
3590 if (code == 0xdc)
3591 bfd_put_8 (abfd, 0xcc, contents + irel->r_offset - 1);
3592 else if (code == 0xdd)
3593 bfd_put_8 (abfd, 0xcd, contents + irel->r_offset - 1);
3594 else if (code == 0xff)
3595 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
3596
3597 /* Fix the relocation's type. */
3598 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 3599 (ELF32_R_TYPE (irel->r_info)
3600 == (int) R_MN10300_PLT32)
3601 ? R_MN10300_PLT16 :
252b5132
RH		 3602 R_MN10300_PCREL16);
3603
3604 /* Delete two bytes of data. */
3605 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3606 irel->r_offset + 1, 2))
3607 goto error_return;
3608
3609 /* That will change things, so, we should relax again.
3610 Note that this is not required, and it may be slow. */
b34976b6 3611 *again = TRUE;
252b5132
RH		 3612 }
3613 }
3614
3615 /* Try to turn a 16bit pc-relative branch into a 8bit pc-relative
3616 branch. */
3617 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL16)
3618 {
3619 bfd_vma value = symval;
3620
3621 /* If we've got a "call" instruction that needs to be turned
3622 into a "calls" instruction, do so now. It saves a byte. */
3623 if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
3624 {
3625 unsigned char code;
3626
3627 /* Get the opcode. */
3628 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3629
3630 /* Make sure we're working with a "call" instruction! */
3631 if (code == 0xcd)
3632 {
3633 /* Note that we've changed the relocs, section contents,
3634 etc. */
3635 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3636 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3637 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3638
3639 /* Fix the opcode. */
3640 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 1);
3641 bfd_put_8 (abfd, 0xff, contents + irel->r_offset);
3642
3643 /* Fix irel->r_offset and irel->r_addend. */
3644 irel->r_offset += 1;
3645 irel->r_addend += 1;
3646
3647 /* Delete one byte of data. */
3648 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3649 irel->r_offset + 1, 1))
3650 goto error_return;
3651
3652 /* That will change things, so, we should relax again.
3653 Note that this is not required, and it may be slow. */
b34976b6 3654 *again = TRUE;
252b5132
RH		 3655 }
3656 }
3657 else if (h)
3658 {
3659 unsigned char code;
3660
3661 /* Get the opcode. */
3662 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3663
3664 /* Insert data from the target function into the "call"
3665 instruction if needed. */
3666 if (code == 0xcd)
3667 {
3668 bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 2);
3669 bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
3670 contents + irel->r_offset + 3);
3671 }
3672 }
3673
3674 /* Deal with pc-relative gunk. */
3675 value -= (sec->output_section->vma + sec->output_offset);
3676 value -= irel->r_offset;
3677 value += irel->r_addend;
3678
3679 /* See if the value will fit in 8 bits, note the high value is
3680 0x7f + 1 as the target will be one bytes closer if we are
3681 able to relax. */
010ac81f 3682 if ((long) value < 0x80 && (long) value > -0x80)
252b5132
RH		 3683 {
3684 unsigned char code;
3685
3686 /* Get the opcode. */
3687 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3688
3689 if (code != 0xcc)
3690 continue;
3691
3692 /* Note that we've changed the relocs, section contents, etc. */
3693 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3694 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3695 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3696
3697 /* Fix the opcode. */
3698 bfd_put_8 (abfd, 0xca, contents + irel->r_offset - 1);
3699
3700 /* Fix the relocation's type. */
3701 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3702 R_MN10300_PCREL8);
3703
3704 /* Delete one byte of data. */
3705 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3706 irel->r_offset + 1, 1))
3707 goto error_return;
3708
3709 /* That will change things, so, we should relax again.
3710 Note that this is not required, and it may be slow. */
b34976b6 3711 *again = TRUE;
252b5132
RH		 3712 }
3713 }
3714
3715 /* Try to eliminate an unconditional 8 bit pc-relative branch
3716 which immediately follows a conditional 8 bit pc-relative
3717 branch around the unconditional branch.
3718
3719 original: new:
3720 bCC lab1 bCC' lab2
3721 bra lab2
3722 lab1: lab1:
3723
252b5132
RH		 3724 This happens when the bCC can't reach lab2 at assembly time,
3725 but due to other relaxations it can reach at link time. */
3726 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL8)
3727 {
3728 Elf_Internal_Rela *nrel;
3729 bfd_vma value = symval;
3730 unsigned char code;
3731
3732 /* Deal with pc-relative gunk. */
3733 value -= (sec->output_section->vma + sec->output_offset);
3734 value -= irel->r_offset;
3735 value += irel->r_addend;
3736
3737 /* Do nothing if this reloc is the last byte in the section. */
eea6121a 3738 if (irel->r_offset == sec->size)
252b5132
RH		 3739 continue;
3740
3741 /* See if the next instruction is an unconditional pc-relative
3742 branch, more often than not this test will fail, so we
3743 test it first to speed things up. */
3744 code = bfd_get_8 (abfd, contents + irel->r_offset + 1);
3745 if (code != 0xca)
3746 continue;
3747
3748 /* Also make sure the next relocation applies to the next
3749 instruction and that it's a pc-relative 8 bit branch. */
3750 nrel = irel + 1;
3751 if (nrel == irelend
3752 || irel->r_offset + 2 != nrel->r_offset
3753 || ELF32_R_TYPE (nrel->r_info) != (int) R_MN10300_PCREL8)
3754 continue;
3755
3756 /* Make sure our destination immediately follows the
3757 unconditional branch. */
3758 if (symval != (sec->output_section->vma + sec->output_offset
3759 + irel->r_offset + 3))
3760 continue;
3761
3762 /* Now make sure we are a conditional branch. This may not
3763 be necessary, but why take the chance.
3764
3765 Note these checks assume that R_MN10300_PCREL8 relocs
3766 only occur on bCC and bCCx insns. If they occured
3767 elsewhere, we'd need to know the start of this insn
3768 for this check to be accurate. */
3769 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3770 if (code != 0xc0 && code != 0xc1 && code != 0xc2
3771 && code != 0xc3 && code != 0xc4 && code != 0xc5
3772 && code != 0xc6 && code != 0xc7 && code != 0xc8
3773 && code != 0xc9 && code != 0xe8 && code != 0xe9
3774 && code != 0xea && code != 0xeb)
3775 continue;
3776
3777 /* We also have to be sure there is no symbol/label
3778 at the unconditional branch. */
6cdc0ccc
AM		 3779 if (mn10300_elf_symbol_address_p (abfd, sec, isymbuf,
3780 irel->r_offset + 1))
252b5132
RH		 3781 continue;
3782
3783 /* Note that we've changed the relocs, section contents, etc. */
3784 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3785 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3786 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3787
3788 /* Reverse the condition of the first branch. */
3789 switch (code)
3790 {
010ac81f
KH		 3791 case 0xc8:
3792 code = 0xc9;
3793 break;
3794 case 0xc9:
3795 code = 0xc8;
3796 break;
3797 case 0xc0:
3798 code = 0xc2;
3799 break;
3800 case 0xc2:
3801 code = 0xc0;
3802 break;
3803 case 0xc3:
3804 code = 0xc1;
3805 break;
3806 case 0xc1:
3807 code = 0xc3;
3808 break;
3809 case 0xc4:
3810 code = 0xc6;
3811 break;
3812 case 0xc6:
3813 code = 0xc4;
3814 break;
3815 case 0xc7:
3816 code = 0xc5;
3817 break;
3818 case 0xc5:
3819 code = 0xc7;
3820 break;
3821 case 0xe8:
3822 code = 0xe9;
3823 break;
3824 case 0x9d:
3825 code = 0xe8;
3826 break;
3827 case 0xea:
3828 code = 0xeb;
3829 break;
3830 case 0xeb:
3831 code = 0xea;
3832 break;
252b5132
RH		 3833 }
3834 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
3835
3836 /* Set the reloc type and symbol for the first branch
3837 from the second branch. */
3838 irel->r_info = nrel->r_info;
3839
3840 /* Make the reloc for the second branch a null reloc. */
3841 nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
3842 R_MN10300_NONE);
3843
3844 /* Delete two bytes of data. */
3845 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3846 irel->r_offset + 1, 2))
3847 goto error_return;
3848
3849 /* That will change things, so, we should relax again.
3850 Note that this is not required, and it may be slow. */
b34976b6 3851 *again = TRUE;
252b5132
RH		 3852 }
3853
31f8dc8f
JL		 3854 /* Try to turn a 24 immediate, displacement or absolute address
3855 into a 8 immediate, displacement or absolute address. */
3856 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_24)
3857 {
3858 bfd_vma value = symval;
3859 value += irel->r_addend;
3860
3861 /* See if the value will fit in 8 bits. */
010ac81f 3862 if ((long) value < 0x7f && (long) value > -0x80)
31f8dc8f
JL		 3863 {
3864 unsigned char code;
3865
3866 /* AM33 insns which have 24 operands are 6 bytes long and
3867 will have 0xfd as the first byte. */
3868
3869 /* Get the first opcode. */
3870 code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
3871
3872 if (code == 0xfd)
3873 {
010ac81f
KH		 3874 /* Get the second opcode. */
3875 code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
31f8dc8f
JL		 3876
3877 /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
3878 equivalent instructions exists. */
3b36f7e6 3879 if (code != 0x6b && code != 0x7b
31f8dc8f
JL		 3880 && code != 0x8b && code != 0x9b
3881 && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
3882 || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
3883 || (code & 0x0f) == 0x0e))
3884 {
3885 /* Not safe if the high bit is on as relaxing may
3b36f7e6
AM		 3886 move the value out of high mem and thus not fit
3887 in a signed 8bit value. This is currently over
3888 conservative. */
31f8dc8f
JL		 3889 if ((value & 0x80) == 0)
3890 {
3891 /* Note that we've changed the relocation contents,
3892 etc. */
3893 elf_section_data (sec)->relocs = internal_relocs;
31f8dc8f 3894 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3895 symtab_hdr->contents = (unsigned char *) isymbuf;
31f8dc8f
JL		 3896
3897 /* Fix the opcode. */
3898 bfd_put_8 (abfd, 0xfb, contents + irel->r_offset - 3);
3899 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
3900
3901 /* Fix the relocation's type. */
010ac81f
KH		 3902 irel->r_info =
3903 ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3904 R_MN10300_8);
31f8dc8f
JL		 3905
3906 /* Delete two bytes of data. */
3907 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3908 irel->r_offset + 1, 2))
3909 goto error_return;
3910
3911 /* That will change things, so, we should relax
3912 again. Note that this is not required, and it
010ac81f 3913 may be slow. */
b34976b6 3914 *again = TRUE;
31f8dc8f
JL		 3915 break;
3916 }
3917 }
31f8dc8f
JL		 3918 }
3919 }
3920 }
252b5132
RH		 3921
3922 /* Try to turn a 32bit immediate, displacement or absolute address
3923 into a 16bit immediate, displacement or absolute address. */
03a12831
AO		 3924 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_32
3925 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32
eb13e63f 3926 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
252b5132
RH		 3927 {
3928 bfd_vma value = symval;
03a12831
AO		 3929
3930 if (ELF32_R_TYPE (irel->r_info) != (int) R_MN10300_32)
3931 {
3932 asection * sgot;
3933
3d4d4302 3934 sgot = hash_table->root.sgot;
03a12831
AO		 3935 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32)
3936 {
3937 value = sgot->output_offset;
3938
3939 if (h)
3940 value += h->root.got.offset;
3941 else
3942 value += (elf_local_got_offsets
3943 (abfd)[ELF32_R_SYM (irel->r_info)]);
3944 }
3945 else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
3946 value -= sgot->output_section->vma;
3947 else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTPC32)
3948 value = (sgot->output_section->vma
3949 - (sec->output_section->vma
3950 + sec->output_offset
3951 + irel->r_offset));
3952 else
3953 abort ();
3954 }
3955
252b5132
RH		 3956 value += irel->r_addend;
3957
31f8dc8f
JL		 3958 /* See if the value will fit in 24 bits.
3959 We allow any 16bit match here. We prune those we can't
3960 handle below. */
010ac81f 3961 if ((long) value < 0x7fffff && (long) value > -0x800000)
31f8dc8f
JL		 3962 {
3963 unsigned char code;
3964
3965 /* AM33 insns which have 32bit operands are 7 bytes long and
3966 will have 0xfe as the first byte. */
3967
3968 /* Get the first opcode. */
3969 code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
3970
3971 if (code == 0xfe)
3972 {
3b36f7e6
AM		 3973 /* Get the second opcode. */
3974 code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
31f8dc8f
JL		 3975
3976 /* All the am33 32 -> 24 relaxing possibilities. */
3977 /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
3978 equivalent instructions exists. */
010ac81f 3979 if (code != 0x6b && code != 0x7b
31f8dc8f 3980 && code != 0x8b && code != 0x9b
03a12831
AO		 3981 && (ELF32_R_TYPE (irel->r_info)
3982 != (int) R_MN10300_GOTPC32)
31f8dc8f
JL		 3983 && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
3984 || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
3985 || (code & 0x0f) == 0x0e))
3986 {
3987 /* Not safe if the high bit is on as relaxing may
3b36f7e6
AM		 3988 move the value out of high mem and thus not fit
3989 in a signed 16bit value. This is currently over
3990 conservative. */
31f8dc8f
JL		 3991 if ((value & 0x8000) == 0)
3992 {
3993 /* Note that we've changed the relocation contents,
3994 etc. */
3995 elf_section_data (sec)->relocs = internal_relocs;
31f8dc8f 3996 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3997 symtab_hdr->contents = (unsigned char *) isymbuf;
31f8dc8f
JL		 3998
3999 /* Fix the opcode. */
4000 bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 3);
4001 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
4002
4003 /* Fix the relocation's type. */
010ac81f
KH		 4004 irel->r_info =
4005 ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4006 (ELF32_R_TYPE (irel->r_info)
4007 == (int) R_MN10300_GOTOFF32)
4008 ? R_MN10300_GOTOFF24
4009 : (ELF32_R_TYPE (irel->r_info)
4010 == (int) R_MN10300_GOT32)
4011 ? R_MN10300_GOT24 :
010ac81f 4012 R_MN10300_24);
31f8dc8f
JL		 4013
4014 /* Delete one byte of data. */
4015 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4016 irel->r_offset + 3, 1))
4017 goto error_return;
4018
4019 /* That will change things, so, we should relax
4020 again. Note that this is not required, and it
010ac81f 4021 may be slow. */
b34976b6 4022 *again = TRUE;
31f8dc8f
JL		 4023 break;
4024 }
4025 }
31f8dc8f
JL		 4026 }
4027 }
252b5132
RH		 4028
4029 /* See if the value will fit in 16 bits.
4030 We allow any 16bit match here. We prune those we can't
4031 handle below. */
010ac81f 4032 if ((long) value < 0x7fff && (long) value > -0x8000)
252b5132
RH		 4033 {
4034 unsigned char code;
4035
4036 /* Most insns which have 32bit operands are 6 bytes long;
4037 exceptions are pcrel insns and bit insns.
4038
4039 We handle pcrel insns above. We don't bother trying
4040 to handle the bit insns here.
4041
4042 The first byte of the remaining insns will be 0xfc. */
4043
4044 /* Get the first opcode. */
4045 code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
4046
4047 if (code != 0xfc)
4048 continue;
4049
4050 /* Get the second opcode. */
4051 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
4052
4053 if ((code & 0xf0) < 0x80)
4054 switch (code & 0xf0)
4055 {
4056 /* mov (d32,am),dn -> mov (d32,am),dn
4057 mov dm,(d32,am) -> mov dn,(d32,am)
4058 mov (d32,am),an -> mov (d32,am),an
4059 mov dm,(d32,am) -> mov dn,(d32,am)
4060 movbu (d32,am),dn -> movbu (d32,am),dn
4061 movbu dm,(d32,am) -> movbu dn,(d32,am)
4062 movhu (d32,am),dn -> movhu (d32,am),dn
4063 movhu dm,(d32,am) -> movhu dn,(d32,am) */
4064 case 0x00:
4065 case 0x10:
4066 case 0x20:
4067 case 0x30:
4068 case 0x40:
4069 case 0x50:
4070 case 0x60:
4071 case 0x70:
4072 /* Not safe if the high bit is on as relaxing may
4073 move the value out of high mem and thus not fit
4074 in a signed 16bit value. */
4075 if (code == 0xcc
4076 && (value & 0x8000))
4077 continue;
4078
4079 /* Note that we've changed the relocation contents, etc. */
4080 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4081 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4082 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4083
4084 /* Fix the opcode. */
4085 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4086 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4087
4088 /* Fix the relocation's type. */
4089 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4090 (ELF32_R_TYPE (irel->r_info)
4091 == (int) R_MN10300_GOTOFF32)
4092 ? R_MN10300_GOTOFF16
4093 : (ELF32_R_TYPE (irel->r_info)
4094 == (int) R_MN10300_GOT32)
4095 ? R_MN10300_GOT16
4096 : (ELF32_R_TYPE (irel->r_info)
4097 == (int) R_MN10300_GOTPC32)
4098 ? R_MN10300_GOTPC16 :
252b5132
RH		 4099 R_MN10300_16);
4100
4101 /* Delete two bytes of data. */
4102 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4103 irel->r_offset + 2, 2))
4104 goto error_return;
4105
4106 /* That will change things, so, we should relax again.
4107 Note that this is not required, and it may be slow. */
b34976b6 4108 *again = TRUE;
252b5132
RH		 4109 break;
4110 }
4111 else if ((code & 0xf0) == 0x80
4112 || (code & 0xf0) == 0x90)
4113 switch (code & 0xf3)
4114 {
4115 /* mov dn,(abs32) -> mov dn,(abs16)
4116 movbu dn,(abs32) -> movbu dn,(abs16)
4117 movhu dn,(abs32) -> movhu dn,(abs16) */
4118 case 0x81:
4119 case 0x82:
4120 case 0x83:
4121 /* Note that we've changed the relocation contents, etc. */
4122 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4123 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4124 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4125
4126 if ((code & 0xf3) == 0x81)
4127 code = 0x01 + (code & 0x0c);
4128 else if ((code & 0xf3) == 0x82)
4129 code = 0x02 + (code & 0x0c);
4130 else if ((code & 0xf3) == 0x83)
4131 code = 0x03 + (code & 0x0c);
4132 else
4133 abort ();
4134
4135 /* Fix the opcode. */
4136 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
4137
4138 /* Fix the relocation's type. */
4139 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4140 (ELF32_R_TYPE (irel->r_info)
4141 == (int) R_MN10300_GOTOFF32)
4142 ? R_MN10300_GOTOFF16
4143 : (ELF32_R_TYPE (irel->r_info)
4144 == (int) R_MN10300_GOT32)
4145 ? R_MN10300_GOT16
4146 : (ELF32_R_TYPE (irel->r_info)
4147 == (int) R_MN10300_GOTPC32)
4148 ? R_MN10300_GOTPC16 :
252b5132
RH		 4149 R_MN10300_16);
4150
4151 /* The opcode got shorter too, so we have to fix the
4152 addend and offset too! */
4153 irel->r_offset -= 1;
4154
4155 /* Delete three bytes of data. */
4156 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4157 irel->r_offset + 1, 3))
4158 goto error_return;
4159
4160 /* That will change things, so, we should relax again.
4161 Note that this is not required, and it may be slow. */
b34976b6 4162 *again = TRUE;
252b5132
RH		 4163 break;
4164
4165 /* mov am,(abs32) -> mov am,(abs16)
4166 mov am,(d32,sp) -> mov am,(d16,sp)
4167 mov dm,(d32,sp) -> mov dm,(d32,sp)
4168 movbu dm,(d32,sp) -> movbu dm,(d32,sp)
4169 movhu dm,(d32,sp) -> movhu dm,(d32,sp) */
4170 case 0x80:
4171 case 0x90:
4172 case 0x91:
4173 case 0x92:
4174 case 0x93:
2a0fa943
AO		 4175 /* sp-based offsets are zero-extended. */
4176 if (code >= 0x90 && code <= 0x93
bfff1642 4177 && (long) value < 0)
2a0fa943
AO		 4178 continue;
4179
252b5132
RH		 4180 /* Note that we've changed the relocation contents, etc. */
4181 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4182 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4183 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4184
4185 /* Fix the opcode. */
4186 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4187 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4188
4189 /* Fix the relocation's type. */
4190 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4191 (ELF32_R_TYPE (irel->r_info)
4192 == (int) R_MN10300_GOTOFF32)
4193 ? R_MN10300_GOTOFF16
4194 : (ELF32_R_TYPE (irel->r_info)
4195 == (int) R_MN10300_GOT32)
4196 ? R_MN10300_GOT16
4197 : (ELF32_R_TYPE (irel->r_info)
4198 == (int) R_MN10300_GOTPC32)
4199 ? R_MN10300_GOTPC16 :
252b5132
RH		 4200 R_MN10300_16);
4201
4202 /* Delete two bytes of data. */
4203 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4204 irel->r_offset + 2, 2))
4205 goto error_return;
4206
4207 /* That will change things, so, we should relax again.
4208 Note that this is not required, and it may be slow. */
b34976b6 4209 *again = TRUE;
252b5132
RH		 4210 break;
4211 }
4212 else if ((code & 0xf0) < 0xf0)
4213 switch (code & 0xfc)
4214 {
4215 /* mov imm32,dn -> mov imm16,dn
4216 mov imm32,an -> mov imm16,an
4217 mov (abs32),dn -> mov (abs16),dn
4218 movbu (abs32),dn -> movbu (abs16),dn
4219 movhu (abs32),dn -> movhu (abs16),dn */
4220 case 0xcc:
4221 case 0xdc:
4222 case 0xa4:
4223 case 0xa8:
4224 case 0xac:
4225 /* Not safe if the high bit is on as relaxing may
4226 move the value out of high mem and thus not fit
4227 in a signed 16bit value. */
4228 if (code == 0xcc
4229 && (value & 0x8000))
4230 continue;
4231
6746a626
NC		 4232 /* "mov imm16, an" zero-extends the immediate. */
4233 if ((code & 0xfc) == 0xdc
bfff1642 4234 && (long) value < 0)
2a0fa943
AO		 4235 continue;
4236
252b5132
RH		 4237 /* Note that we've changed the relocation contents, etc. */
4238 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4239 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4240 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4241
4242 if ((code & 0xfc) == 0xcc)
4243 code = 0x2c + (code & 0x03);
4244 else if ((code & 0xfc) == 0xdc)
4245 code = 0x24 + (code & 0x03);
4246 else if ((code & 0xfc) == 0xa4)
4247 code = 0x30 + (code & 0x03);
4248 else if ((code & 0xfc) == 0xa8)
4249 code = 0x34 + (code & 0x03);
4250 else if ((code & 0xfc) == 0xac)
4251 code = 0x38 + (code & 0x03);
4252 else
4253 abort ();
4254
4255 /* Fix the opcode. */
4256 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
4257
4258 /* Fix the relocation's type. */
4259 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4260 (ELF32_R_TYPE (irel->r_info)
4261 == (int) R_MN10300_GOTOFF32)
4262 ? R_MN10300_GOTOFF16
4263 : (ELF32_R_TYPE (irel->r_info)
4264 == (int) R_MN10300_GOT32)
4265 ? R_MN10300_GOT16
4266 : (ELF32_R_TYPE (irel->r_info)
4267 == (int) R_MN10300_GOTPC32)
4268 ? R_MN10300_GOTPC16 :
252b5132
RH		 4269 R_MN10300_16);
4270
4271 /* The opcode got shorter too, so we have to fix the
4272 addend and offset too! */
4273 irel->r_offset -= 1;
4274
4275 /* Delete three bytes of data. */
4276 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4277 irel->r_offset + 1, 3))
4278 goto error_return;
4279
4280 /* That will change things, so, we should relax again.
4281 Note that this is not required, and it may be slow. */
b34976b6 4282 *again = TRUE;
252b5132
RH		 4283 break;
4284
4285 /* mov (abs32),an -> mov (abs16),an
2a0fa943
AO		 4286 mov (d32,sp),an -> mov (d16,sp),an
4287 mov (d32,sp),dn -> mov (d16,sp),dn
4288 movbu (d32,sp),dn -> movbu (d16,sp),dn
4289 movhu (d32,sp),dn -> movhu (d16,sp),dn
252b5132
RH		 4290 add imm32,dn -> add imm16,dn
4291 cmp imm32,dn -> cmp imm16,dn
4292 add imm32,an -> add imm16,an
4293 cmp imm32,an -> cmp imm16,an
2a0fa943
AO		 4294 and imm32,dn -> and imm16,dn
4295 or imm32,dn -> or imm16,dn
4296 xor imm32,dn -> xor imm16,dn
4297 btst imm32,dn -> btst imm16,dn */
252b5132
RH		 4298
4299 case 0xa0:
4300 case 0xb0:
4301 case 0xb1:
4302 case 0xb2:
4303 case 0xb3:
4304 case 0xc0:
4305 case 0xc8:
4306
4307 case 0xd0:
4308 case 0xd8:
4309 case 0xe0:
4310 case 0xe1:
4311 case 0xe2:
4312 case 0xe3:
2a0fa943
AO		 4313 /* cmp imm16, an zero-extends the immediate. */
4314 if (code == 0xdc
bfff1642 4315 && (long) value < 0)
2a0fa943
AO		 4316 continue;
4317
4318 /* So do sp-based offsets. */
4319 if (code >= 0xb0 && code <= 0xb3
bfff1642 4320 && (long) value < 0)
2a0fa943
AO		 4321 continue;
4322
252b5132
RH		 4323 /* Note that we've changed the relocation contents, etc. */
4324 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4325 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4326 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4327
4328 /* Fix the opcode. */
4329 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4330 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4331
4332 /* Fix the relocation's type. */
4333 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4334 (ELF32_R_TYPE (irel->r_info)
4335 == (int) R_MN10300_GOTOFF32)
4336 ? R_MN10300_GOTOFF16
4337 : (ELF32_R_TYPE (irel->r_info)
4338 == (int) R_MN10300_GOT32)
4339 ? R_MN10300_GOT16
4340 : (ELF32_R_TYPE (irel->r_info)
4341 == (int) R_MN10300_GOTPC32)
4342 ? R_MN10300_GOTPC16 :
252b5132
RH		 4343 R_MN10300_16);
4344
4345 /* Delete two bytes of data. */
4346 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4347 irel->r_offset + 2, 2))
4348 goto error_return;
4349
4350 /* That will change things, so, we should relax again.
4351 Note that this is not required, and it may be slow. */
b34976b6 4352 *again = TRUE;
252b5132
RH		 4353 break;
4354 }
4355 else if (code == 0xfe)
4356 {
4357 /* add imm32,sp -> add imm16,sp */
4358
4359 /* Note that we've changed the relocation contents, etc. */
4360 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4361 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4362 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4363
4364 /* Fix the opcode. */
4365 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4366 bfd_put_8 (abfd, 0xfe, contents + irel->r_offset - 1);
4367
4368 /* Fix the relocation's type. */
4369 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4370 (ELF32_R_TYPE (irel->r_info)
4371 == (int) R_MN10300_GOT32)
4372 ? R_MN10300_GOT16
4373 : (ELF32_R_TYPE (irel->r_info)
4374 == (int) R_MN10300_GOTOFF32)
4375 ? R_MN10300_GOTOFF16
4376 : (ELF32_R_TYPE (irel->r_info)
4377 == (int) R_MN10300_GOTPC32)
4378 ? R_MN10300_GOTPC16 :
010ac81f 4379 R_MN10300_16);
252b5132
RH		 4380
4381 /* Delete two bytes of data. */
4382 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4383 irel->r_offset + 2, 2))
4384 goto error_return;
4385
4386 /* That will change things, so, we should relax again.
4387 Note that this is not required, and it may be slow. */
b34976b6 4388 *again = TRUE;
252b5132
RH		 4389 break;
4390 }
4391 }
4392 }
4393 }
4394
6cdc0ccc
AM		 4395 if (isymbuf != NULL
4396 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH		 4397 {
4398 if (! link_info->keep_memory)
6cdc0ccc 4399 free (isymbuf);
252b5132
RH		 4400 else
4401 {
6cdc0ccc
AM		 4402 /* Cache the symbols for elf_link_input_bfd. */
4403 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 4404 }
9ad5cbcf
AM		 4405 }
4406
6cdc0ccc
AM		 4407 if (contents != NULL
4408 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH		 4409 {
4410 if (! link_info->keep_memory)
6cdc0ccc
AM		 4411 free (contents);
4412 else
252b5132 4413 {
6cdc0ccc
AM		 4414 /* Cache the section contents for elf_link_input_bfd. */
4415 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 4416 }
252b5132
RH		 4417 }
4418
6cdc0ccc
AM		 4419 if (internal_relocs != NULL
4420 && elf_section_data (sec)->relocs != internal_relocs)
4421 free (internal_relocs);
4422
b34976b6 4423 return TRUE;
252b5132
RH		 4424
4425 error_return:
6cdc0ccc
AM		 4426 if (isymbuf != NULL
4427 && symtab_hdr->contents != (unsigned char *) isymbuf)
4428 free (isymbuf);
4429 if (contents != NULL
4430 && elf_section_data (section)->this_hdr.contents != contents)
4431 free (contents);
4432 if (internal_relocs != NULL
4433 && elf_section_data (section)->relocs != internal_relocs)
4434 free (internal_relocs);
9ad5cbcf 4435
b34976b6 4436 return FALSE;
252b5132
RH		 4437}
4438
252b5132
RH		 4439/* This is a version of bfd_generic_get_relocated_section_contents
4440 which uses mn10300_elf_relocate_section. */
4441
4442static bfd_byte *
603b7257
NC		 4443mn10300_elf_get_relocated_section_contents (bfd *output_bfd,
4444 struct bfd_link_info *link_info,
4445 struct bfd_link_order *link_order,
4446 bfd_byte *data,
4447 bfd_boolean relocatable,
4448 asymbol **symbols)
252b5132
RH		 4449{
4450 Elf_Internal_Shdr *symtab_hdr;
4451 asection *input_section = link_order->u.indirect.section;
4452 bfd *input_bfd = input_section->owner;
4453 asection **sections = NULL;
4454 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 4455 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH		 4456
4457 /* We only need to handle the case of relaxing, or of having a
4458 particular set of section contents, specially. */
1049f94e 4459 if (relocatable
252b5132
RH		 4460 || elf_section_data (input_section)->this_hdr.contents == NULL)
4461 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4462 link_order, data,
1049f94e 4463 relocatable,
252b5132
RH		 4464 symbols);
4465
4466 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4467
4468 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 4469 (size_t) input_section->size);
252b5132
RH		 4470
4471 if ((input_section->flags & SEC_RELOC) != 0
4472 && input_section->reloc_count > 0)
4473 {
252b5132 4474 asection **secpp;
6cdc0ccc 4475 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 4476 bfd_size_type amt;
252b5132 4477
603b7257
NC		 4478 internal_relocs = _bfd_elf_link_read_relocs (input_bfd, input_section,
4479 NULL, NULL, FALSE);
252b5132
RH		 4480 if (internal_relocs == NULL)
4481 goto error_return;
4482
6cdc0ccc
AM		 4483 if (symtab_hdr->sh_info != 0)
4484 {
4485 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4486 if (isymbuf == NULL)
4487 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4488 symtab_hdr->sh_info, 0,
4489 NULL, NULL, NULL);
4490 if (isymbuf == NULL)
4491 goto error_return;
4492 }
252b5132 4493
9ad5cbcf
AM		 4494 amt = symtab_hdr->sh_info;
4495 amt *= sizeof (asection *);
603b7257 4496 sections = bfd_malloc (amt);
9ad5cbcf 4497 if (sections == NULL && amt != 0)
252b5132
RH		 4498 goto error_return;
4499
6cdc0ccc
AM		 4500 isymend = isymbuf + symtab_hdr->sh_info;
4501 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH		 4502 {
4503 asection *isec;
4504
6cdc0ccc 4505 if (isym->st_shndx == SHN_UNDEF)
252b5132 4506 isec = bfd_und_section_ptr;
6cdc0ccc 4507 else if (isym->st_shndx == SHN_ABS)
252b5132 4508 isec = bfd_abs_section_ptr;
6cdc0ccc 4509 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH		 4510 isec = bfd_com_section_ptr;
4511 else
6cdc0ccc 4512 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH		 4513
4514 *secpp = isec;
4515 }
4516
4517 if (! mn10300_elf_relocate_section (output_bfd, link_info, input_bfd,
603b7257
NC		 4518 input_section, data, internal_relocs,
4519 isymbuf, sections))
252b5132
RH		 4520 goto error_return;
4521
4522 if (sections != NULL)
4523 free (sections);
6cdc0ccc
AM		 4524 if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
4525 free (isymbuf);
252b5132
RH		 4526 if (internal_relocs != elf_section_data (input_section)->relocs)
4527 free (internal_relocs);
252b5132
RH		 4528 }
4529
4530 return data;
4531
4532 error_return:
6cdc0ccc
AM		 4533 if (sections != NULL)
4534 free (sections);
4535 if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
4536 free (isymbuf);
252b5132
RH		 4537 if (internal_relocs != NULL
4538 && internal_relocs != elf_section_data (input_section)->relocs)
4539 free (internal_relocs);
252b5132
RH		 4540 return NULL;
4541}
4542
4543/* Assorted hash table functions. */
4544
4545/* Initialize an entry in the link hash table. */
4546
4547/* Create an entry in an MN10300 ELF linker hash table. */
4548
4549static struct bfd_hash_entry *
603b7257
NC		 4550elf32_mn10300_link_hash_newfunc (struct bfd_hash_entry *entry,
4551 struct bfd_hash_table *table,
4552 const char *string)
252b5132
RH		 4553{
4554 struct elf32_mn10300_link_hash_entry *ret =
4555 (struct elf32_mn10300_link_hash_entry *) entry;
4556
4557 /* Allocate the structure if it has not already been allocated by a
4558 subclass. */
603b7257
NC		 4559 if (ret == NULL)
4560 ret = (struct elf32_mn10300_link_hash_entry *)
4561 bfd_hash_allocate (table, sizeof (* ret));
4562 if (ret == NULL)
252b5132
RH		 4563 return (struct bfd_hash_entry *) ret;
4564
4565 /* Call the allocation method of the superclass. */
603b7257 4566 ret = (struct elf32_mn10300_link_hash_entry *)
252b5132 4567 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
603b7257
NC		 4568 table, string);
4569 if (ret != NULL)
252b5132
RH		 4570 {
4571 ret->direct_calls = 0;
4572 ret->stack_size = 0;
5354b572 4573 ret->movm_args = 0;
252b5132
RH		 4574 ret->movm_stack_size = 0;
4575 ret->flags = 0;
eb13e63f 4576 ret->value = 0;
0a22ae8e 4577 ret->tls_type = GOT_UNKNOWN;
252b5132
RH		 4578 }
4579
4580 return (struct bfd_hash_entry *) ret;
4581}
4582
0a22ae8e
NC		 4583static void
4584_bfd_mn10300_copy_indirect_symbol (struct bfd_link_info * info,
4585 struct elf_link_hash_entry * dir,
4586 struct elf_link_hash_entry * ind)
4587{
4588 struct elf32_mn10300_link_hash_entry * edir;
4589 struct elf32_mn10300_link_hash_entry * eind;
4590
4591 edir = elf_mn10300_hash_entry (dir);
4592 eind = elf_mn10300_hash_entry (ind);
4593
4594 if (ind->root.type == bfd_link_hash_indirect
4595 && dir->got.refcount <= 0)
4596 {
4597 edir->tls_type = eind->tls_type;
4598 eind->tls_type = GOT_UNKNOWN;
4599 }
4600 edir->direct_calls = eind->direct_calls;
4601 edir->stack_size = eind->stack_size;
4602 edir->movm_args = eind->movm_args;
4603 edir->movm_stack_size = eind->movm_stack_size;
4604 edir->flags = eind->flags;
4605
4606 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
4607}
4608
68faa637
AM		 4609/* Destroy an mn10300 ELF linker hash table. */
4610
4611static void
d495ab0d 4612elf32_mn10300_link_hash_table_free (bfd *obfd)
68faa637
AM		 4613{
4614 struct elf32_mn10300_link_hash_table *ret
d495ab0d 4615 = (struct elf32_mn10300_link_hash_table *) obfd->link.hash;
68faa637 4616
d495ab0d
AM		 4617 obfd->link.hash = &ret->static_hash_table->root.root;
4618 _bfd_elf_link_hash_table_free (obfd);
4619 obfd->is_linker_output = TRUE;
4620 obfd->link.hash = &ret->root.root;
4621 _bfd_elf_link_hash_table_free (obfd);
68faa637
AM		 4622}
4623
252b5132
RH		 4624/* Create an mn10300 ELF linker hash table. */
4625
4626static struct bfd_link_hash_table *
603b7257 4627elf32_mn10300_link_hash_table_create (bfd *abfd)
252b5132
RH		 4628{
4629 struct elf32_mn10300_link_hash_table *ret;
603b7257 4630 bfd_size_type amt = sizeof (* ret);
252b5132 4631
7bf52ea2 4632 ret = bfd_zmalloc (amt);
603b7257 4633 if (ret == NULL)
252b5132
RH		 4634 return NULL;
4635
dc810e39 4636 amt = sizeof (struct elf_link_hash_table);
7bf52ea2 4637 ret->static_hash_table = bfd_zmalloc (amt);
252b5132
RH		 4638 if (ret->static_hash_table == NULL)
4639 {
e2d34d7d 4640 free (ret);
252b5132
RH		 4641 return NULL;
4642 }
4643
66eb6687
AM		 4644 if (!_bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
4645 elf32_mn10300_link_hash_newfunc,
4dfe6ac6
NC		 4646 sizeof (struct elf32_mn10300_link_hash_entry),
4647 MN10300_ELF_DATA))
252b5132 4648 {
e2d34d7d
DJ		 4649 free (ret->static_hash_table);
4650 free (ret);
252b5132
RH		 4651 return NULL;
4652 }
d495ab0d
AM		 4653
4654 abfd->is_linker_output = FALSE;
4655 abfd->link.hash = NULL;
4656 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
4657 elf32_mn10300_link_hash_newfunc,
4658 sizeof (struct elf32_mn10300_link_hash_entry),
4659 MN10300_ELF_DATA))
4660 {
4661 abfd->is_linker_output = TRUE;
4662 abfd->link.hash = &ret->static_hash_table->root.root;
4663 _bfd_elf_link_hash_table_free (abfd);
4664 free (ret);
4665 return NULL;
4666 }
4667 ret->root.root.hash_table_free = elf32_mn10300_link_hash_table_free;
4668
4669 ret->tls_ldm_got.offset = -1;
4670
603b7257 4671 return & ret->root.root;
252b5132
RH		 4672}
4673
dc810e39 4674static unsigned long
603b7257 4675elf_mn10300_mach (flagword flags)
252b5132
RH		 4676{
4677 switch (flags & EF_MN10300_MACH)
4678 {
010ac81f
KH		 4679 case E_MN10300_MACH_MN10300:
4680 default:
4681 return bfd_mach_mn10300;
252b5132 4682
010ac81f
KH		 4683 case E_MN10300_MACH_AM33:
4684 return bfd_mach_am33;
b08fa4d3
AO		 4685
4686 case E_MN10300_MACH_AM33_2:
4687 return bfd_mach_am33_2;
252b5132
RH		 4688 }
4689}
4690
4691/* The final processing done just before writing out a MN10300 ELF object
4692 file. This gets the MN10300 architecture right based on the machine
4693 number. */
4694
603b7257
NC		 4695static void
4696_bfd_mn10300_elf_final_write_processing (bfd *abfd,
4697 bfd_boolean linker ATTRIBUTE_UNUSED)
252b5132
RH		 4698{
4699 unsigned long val;
252b5132
RH		 4700
4701 switch (bfd_get_mach (abfd))
4702 {
010ac81f
KH		 4703 default:
4704 case bfd_mach_mn10300:
4705 val = E_MN10300_MACH_MN10300;
4706 break;
4707
4708 case bfd_mach_am33:
4709 val = E_MN10300_MACH_AM33;
4710 break;
b08fa4d3
AO		 4711
4712 case bfd_mach_am33_2:
4713 val = E_MN10300_MACH_AM33_2;
4714 break;
252b5132
RH		 4715 }
4716
4717 elf_elfheader (abfd)->e_flags &= ~ (EF_MN10300_MACH);
4718 elf_elfheader (abfd)->e_flags |= val;
4719}
4720
603b7257
NC		 4721static bfd_boolean
4722_bfd_mn10300_elf_object_p (bfd *abfd)
252b5132
RH		 4723{
4724 bfd_default_set_arch_mach (abfd, bfd_arch_mn10300,
010ac81f 4725 elf_mn10300_mach (elf_elfheader (abfd)->e_flags));
b34976b6 4726 return TRUE;
252b5132
RH		 4727}
4728
4729/* Merge backend specific data from an object file to the output
4730 object file when linking. */
4731
603b7257 4732static bfd_boolean
50e03d47 4733_bfd_mn10300_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
252b5132 4734{
50e03d47
AM		 4735 bfd *obfd = info->output_bfd;
4736
252b5132
RH		 4737 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4738 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 4739 return TRUE;
252b5132
RH		 4740
4741 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4742 && bfd_get_mach (obfd) < bfd_get_mach (ibfd))
4743 {
4744 if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
3b36f7e6
AM		 4745 bfd_get_mach (ibfd)))
4746 return FALSE;
252b5132
RH		 4747 }
4748
b34976b6 4749 return TRUE;
252b5132
RH		 4750}
4751
603b7257
NC		 4752#define PLT0_ENTRY_SIZE 15
4753#define PLT_ENTRY_SIZE 20
4754#define PIC_PLT_ENTRY_SIZE 24
03a12831
AO		 4755
4756static const bfd_byte elf_mn10300_plt0_entry[PLT0_ENTRY_SIZE] =
4757{
4758 0xfc, 0xa0, 0, 0, 0, 0, /* mov (.got+8),a0 */
4759 0xfe, 0xe, 0x10, 0, 0, 0, 0, /* mov (.got+4),r1 */
4760 0xf0, 0xf4, /* jmp (a0) */
4761};
4762
4763static const bfd_byte elf_mn10300_plt_entry[PLT_ENTRY_SIZE] =
4764{
4765 0xfc, 0xa0, 0, 0, 0, 0, /* mov (nameN@GOT + .got),a0 */
4766 0xf0, 0xf4, /* jmp (a0) */
4767 0xfe, 8, 0, 0, 0, 0, 0, /* mov reloc-table-address,r0 */
4768 0xdc, 0, 0, 0, 0, /* jmp .plt0 */
4769};
4770
4771static const bfd_byte elf_mn10300_pic_plt_entry[PIC_PLT_ENTRY_SIZE] =
4772{
4773 0xfc, 0x22, 0, 0, 0, 0, /* mov (nameN@GOT,a2),a0 */
4774 0xf0, 0xf4, /* jmp (a0) */
4775 0xfe, 8, 0, 0, 0, 0, 0, /* mov reloc-table-address,r0 */
4776 0xf8, 0x22, 8, /* mov (8,a2),a0 */
4777 0xfb, 0xa, 0x1a, 4, /* mov (4,a2),r1 */
4778 0xf0, 0xf4, /* jmp (a0) */
4779};
4780
4781/* Return size of the first PLT entry. */
4782#define elf_mn10300_sizeof_plt0(info) \
0e1862bb 4783 (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT0_ENTRY_SIZE)
03a12831
AO		 4784
4785/* Return size of a PLT entry. */
4786#define elf_mn10300_sizeof_plt(info) \
0e1862bb 4787 (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT_ENTRY_SIZE)
03a12831
AO		 4788
4789/* Return offset of the PLT0 address in an absolute PLT entry. */
4790#define elf_mn10300_plt_plt0_offset(info) 16
4791
4792/* Return offset of the linker in PLT0 entry. */
4793#define elf_mn10300_plt0_linker_offset(info) 2
4794
4795/* Return offset of the GOT id in PLT0 entry. */
4796#define elf_mn10300_plt0_gotid_offset(info) 9
4797
603b7257 4798/* Return offset of the temporary in PLT entry. */
03a12831
AO		 4799#define elf_mn10300_plt_temp_offset(info) 8
4800
4801/* Return offset of the symbol in PLT entry. */
4802#define elf_mn10300_plt_symbol_offset(info) 2
4803
4804/* Return offset of the relocation in PLT entry. */
4805#define elf_mn10300_plt_reloc_offset(info) 11
4806
4807/* The name of the dynamic interpreter. This is put in the .interp
4808 section. */
4809
4810#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
4811
4812/* Create dynamic sections when linking against a dynamic object. */
4813
4814static bfd_boolean
603b7257 4815_bfd_mn10300_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
03a12831
AO		 4816{
4817 flagword flags;
4818 asection * s;
9c5bfbb7 4819 const struct elf_backend_data * bed = get_elf_backend_data (abfd);
3d4d4302 4820 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 4821 int ptralign = 0;
4822
4823 switch (bed->s->arch_size)
4824 {
4825 case 32:
4826 ptralign = 2;
4827 break;
4828
4829 case 64:
4830 ptralign = 3;
4831 break;
4832
4833 default:
4834 bfd_set_error (bfd_error_bad_value);
4835 return FALSE;
4836 }
4837
4838 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
4839 .rel[a].bss sections. */
03a12831
AO		 4840 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
4841 | SEC_LINKER_CREATED);
4842
3d4d4302
AM		 4843 s = bfd_make_section_anyway_with_flags (abfd,
4844 (bed->default_use_rela_p
4845 ? ".rela.plt" : ".rel.plt"),
4846 flags | SEC_READONLY);
4847 htab->root.srelplt = s;
03a12831 4848 if (s == NULL
03a12831
AO		 4849 || ! bfd_set_section_alignment (abfd, s, ptralign))
4850 return FALSE;
4851
4852 if (! _bfd_mn10300_elf_create_got_section (abfd, info))
4853 return FALSE;
4854
03a12831
AO		 4855 if (bed->want_dynbss)
4856 {
4857 /* The .dynbss section is a place to put symbols which are defined
4858 by dynamic objects, are referenced by regular objects, and are
4859 not functions. We must allocate space for them in the process
4860 image and use a R_*_COPY reloc to tell the dynamic linker to
4861 initialize them at run time. The linker script puts the .dynbss
4862 section into the .bss section of the final image. */
3d4d4302
AM		 4863 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
4864 SEC_ALLOC | SEC_LINKER_CREATED);
3496cb2a 4865 if (s == NULL)
03a12831
AO		 4866 return FALSE;
4867
4868 /* The .rel[a].bss section holds copy relocs. This section is not
4869 normally needed. We need to create it here, though, so that the
4870 linker will map it to an output section. We can't just create it
4871 only if we need it, because we will not know whether we need it
4872 until we have seen all the input files, and the first time the
4873 main linker code calls BFD after examining all the input files
4874 (size_dynamic_sections) the input sections have already been
4875 mapped to the output sections. If the section turns out not to
4876 be needed, we can discard it later. We will never need this
4877 section when generating a shared object, since they do not use
4878 copy relocs. */
0e1862bb 4879 if (! bfd_link_pic (info))
03a12831 4880 {
3d4d4302
AM		 4881 s = bfd_make_section_anyway_with_flags (abfd,
4882 (bed->default_use_rela_p
4883 ? ".rela.bss" : ".rel.bss"),
4884 flags | SEC_READONLY);
03a12831 4885 if (s == NULL
03a12831
AO		 4886 || ! bfd_set_section_alignment (abfd, s, ptralign))
4887 return FALSE;
4888 }
4889 }
4890
4891 return TRUE;
4892}
4893\f
4894/* Adjust a symbol defined by a dynamic object and referenced by a
4895 regular object. The current definition is in some section of the
4896 dynamic object, but we're not including those sections. We have to
4897 change the definition to something the rest of the link can
4898 understand. */
4899
4900static bfd_boolean
603b7257
NC		 4901_bfd_mn10300_elf_adjust_dynamic_symbol (struct bfd_link_info * info,
4902 struct elf_link_hash_entry * h)
03a12831 4903{
3d4d4302 4904 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 4905 bfd * dynobj;
4906 asection * s;
03a12831 4907
3d4d4302 4908 dynobj = htab->root.dynobj;
03a12831
AO		 4909
4910 /* Make sure we know what is going on here. */
4911 BFD_ASSERT (dynobj != NULL
f5385ebf 4912 && (h->needs_plt
f6e332e6 4913 || h->u.weakdef != NULL
f5385ebf
AM		 4914 || (h->def_dynamic
4915 && h->ref_regular
4916 && !h->def_regular)));
03a12831
AO		 4917
4918 /* If this is a function, put it in the procedure linkage table. We
4919 will fill in the contents of the procedure linkage table later,
4920 when we know the address of the .got section. */
4921 if (h->type == STT_FUNC
f5385ebf 4922 || h->needs_plt)
03a12831 4923 {
0e1862bb 4924 if (! bfd_link_pic (info)
f5385ebf
AM		 4925 && !h->def_dynamic
4926 && !h->ref_dynamic)
03a12831
AO		 4927 {
4928 /* This case can occur if we saw a PLT reloc in an input
4929 file, but the symbol was never referred to by a dynamic
4930 object. In such a case, we don't actually need to build
4931 a procedure linkage table, and we can just do a REL32
4932 reloc instead. */
f5385ebf 4933 BFD_ASSERT (h->needs_plt);
03a12831
AO		 4934 return TRUE;
4935 }
4936
4937 /* Make sure this symbol is output as a dynamic symbol. */
4938 if (h->dynindx == -1)
4939 {
c152c796 4940 if (! bfd_elf_link_record_dynamic_symbol (info, h))
03a12831
AO		 4941 return FALSE;
4942 }
4943
3d4d4302 4944 s = htab->root.splt;
03a12831
AO		 4945 BFD_ASSERT (s != NULL);
4946
4947 /* If this is the first .plt entry, make room for the special
4948 first entry. */
eea6121a
AM		 4949 if (s->size == 0)
4950 s->size += elf_mn10300_sizeof_plt0 (info);
03a12831
AO		 4951
4952 /* If this symbol is not defined in a regular file, and we are
4953 not generating a shared library, then set the symbol to this
4954 location in the .plt. This is required to make function
4955 pointers compare as equal between the normal executable and
4956 the shared library. */
0e1862bb 4957 if (! bfd_link_pic (info)
f5385ebf 4958 && !h->def_regular)
03a12831
AO		 4959 {
4960 h->root.u.def.section = s;
eea6121a 4961 h->root.u.def.value = s->size;
03a12831
AO		 4962 }
4963
eea6121a 4964 h->plt.offset = s->size;
03a12831
AO		 4965
4966 /* Make room for this entry. */
eea6121a 4967 s->size += elf_mn10300_sizeof_plt (info);
03a12831
AO		 4968
4969 /* We also need to make an entry in the .got.plt section, which
4970 will be placed in the .got section by the linker script. */
3d4d4302 4971 s = htab->root.sgotplt;
03a12831 4972 BFD_ASSERT (s != NULL);
eea6121a 4973 s->size += 4;
03a12831
AO		 4974
4975 /* We also need to make an entry in the .rela.plt section. */
3d4d4302 4976 s = bfd_get_linker_section (dynobj, ".rela.plt");
03a12831 4977 BFD_ASSERT (s != NULL);
eea6121a 4978 s->size += sizeof (Elf32_External_Rela);
03a12831
AO		 4979
4980 return TRUE;
4981 }
4982
4983 /* If this is a weak symbol, and there is a real definition, the
4984 processor independent code will have arranged for us to see the
4985 real definition first, and we can just use the same value. */
f6e332e6 4986 if (h->u.weakdef != NULL)
03a12831 4987 {
f6e332e6
AM		 4988 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
4989 || h->u.weakdef->root.type == bfd_link_hash_defweak);
4990 h->root.u.def.section = h->u.weakdef->root.u.def.section;
4991 h->root.u.def.value = h->u.weakdef->root.u.def.value;
03a12831
AO		 4992 return TRUE;
4993 }
4994
4995 /* This is a reference to a symbol defined by a dynamic object which
4996 is not a function. */
4997
4998 /* If we are creating a shared library, we must presume that the
4999 only references to the symbol are via the global offset table.
5000 For such cases we need not do anything here; the relocations will
5001 be handled correctly by relocate_section. */
0e1862bb 5002 if (bfd_link_pic (info))
03a12831
AO		 5003 return TRUE;
5004
5005 /* If there are no references to this symbol that do not use the
5006 GOT, we don't need to generate a copy reloc. */
f5385ebf 5007 if (!h->non_got_ref)
03a12831
AO		 5008 return TRUE;
5009
5010 /* We must allocate the symbol in our .dynbss section, which will
5011 become part of the .bss section of the executable. There will be
5012 an entry for this symbol in the .dynsym section. The dynamic
5013 object will contain position independent code, so all references
5014 from the dynamic object to this symbol will go through the global
5015 offset table. The dynamic linker will use the .dynsym entry to
5016 determine the address it must put in the global offset table, so
5017 both the dynamic object and the regular object will refer to the
5018 same memory location for the variable. */
5019
3d4d4302 5020 s = bfd_get_linker_section (dynobj, ".dynbss");
03a12831
AO		 5021 BFD_ASSERT (s != NULL);
5022
5023 /* We must generate a R_MN10300_COPY reloc to tell the dynamic linker to
5024 copy the initial value out of the dynamic object and into the
5025 runtime process image. We need to remember the offset into the
5026 .rela.bss section we are going to use. */
1d7e9d18 5027 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
03a12831
AO		 5028 {
5029 asection * srel;
5030
3d4d4302 5031 srel = bfd_get_linker_section (dynobj, ".rela.bss");
03a12831 5032 BFD_ASSERT (srel != NULL);
eea6121a 5033 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 5034 h->needs_copy = 1;
03a12831
AO		 5035 }
5036
6cabe1ea 5037 return _bfd_elf_adjust_dynamic_copy (info, h, s);
03a12831
AO		 5038}
5039
03a12831
AO		 5040/* Set the sizes of the dynamic sections. */
5041
5042static bfd_boolean
603b7257
NC		 5043_bfd_mn10300_elf_size_dynamic_sections (bfd * output_bfd,
5044 struct bfd_link_info * info)
03a12831 5045{
0a22ae8e 5046 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 5047 bfd * dynobj;
5048 asection * s;
5049 bfd_boolean plt;
5050 bfd_boolean relocs;
5051 bfd_boolean reltext;
5052
3d4d4302 5053 dynobj = htab->root.dynobj;
03a12831
AO		 5054 BFD_ASSERT (dynobj != NULL);
5055
5056 if (elf_hash_table (info)->dynamic_sections_created)
5057 {
5058 /* Set the contents of the .interp section to the interpreter. */
0e1862bb 5059 if (bfd_link_executable (info))
03a12831 5060 {
3d4d4302 5061 s = bfd_get_linker_section (dynobj, ".interp");
03a12831 5062 BFD_ASSERT (s != NULL);
eea6121a 5063 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
03a12831
AO		 5064 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
5065 }
5066 }
5067 else
5068 {
5069 /* We may have created entries in the .rela.got section.
5070 However, if we are not creating the dynamic sections, we will
5071 not actually use these entries. Reset the size of .rela.got,
5072 which will cause it to get stripped from the output file
5073 below. */
3d4d4302 5074 s = htab->root.sgot;
03a12831 5075 if (s != NULL)
eea6121a 5076 s->size = 0;
03a12831
AO		 5077 }
5078
0a22ae8e
NC		 5079 if (htab->tls_ldm_got.refcount > 0)
5080 {
3d4d4302 5081 s = bfd_get_linker_section (dynobj, ".rela.got");
0a22ae8e
NC		 5082 BFD_ASSERT (s != NULL);
5083 s->size += sizeof (Elf32_External_Rela);
5084 }
5085
03a12831
AO		 5086 /* The check_relocs and adjust_dynamic_symbol entry points have
5087 determined the sizes of the various dynamic sections. Allocate
5088 memory for them. */
5089 plt = FALSE;
5090 relocs = FALSE;
5091 reltext = FALSE;
5092 for (s = dynobj->sections; s != NULL; s = s->next)
5093 {
5094 const char * name;
03a12831
AO		 5095
5096 if ((s->flags & SEC_LINKER_CREATED) == 0)
5097 continue;
5098
5099 /* It's OK to base decisions on the section name, because none
5100 of the dynobj section names depend upon the input files. */
5101 name = bfd_get_section_name (dynobj, s);
5102
603b7257 5103 if (streq (name, ".plt"))
03a12831 5104 {
c456f082
AM		 5105 /* Remember whether there is a PLT. */
5106 plt = s->size != 0;
03a12831 5107 }
0112cd26 5108 else if (CONST_STRNEQ (name, ".rela"))
03a12831 5109 {
c456f082 5110 if (s->size != 0)
03a12831
AO		 5111 {
5112 asection * target;
5113
5114 /* Remember whether there are any reloc sections other
5115 than .rela.plt. */
603b7257 5116 if (! streq (name, ".rela.plt"))
03a12831
AO		 5117 {
5118 const char * outname;
5119
5120 relocs = TRUE;
5121
5122 /* If this relocation section applies to a read only
5123 section, then we probably need a DT_TEXTREL
5124 entry. The entries in the .rela.plt section
5125 really apply to the .got section, which we
5126 created ourselves and so know is not readonly. */
5127 outname = bfd_get_section_name (output_bfd,
5128 s->output_section);
5129 target = bfd_get_section_by_name (output_bfd, outname + 5);
5130 if (target != NULL
5131 && (target->flags & SEC_READONLY) != 0
5132 && (target->flags & SEC_ALLOC) != 0)
5133 reltext = TRUE;
5134 }
5135
5136 /* We use the reloc_count field as a counter if we need
5137 to copy relocs into the output file. */
5138 s->reloc_count = 0;
5139 }
5140 }
0112cd26 5141 else if (! CONST_STRNEQ (name, ".got")
603b7257 5142 && ! streq (name, ".dynbss"))
03a12831
AO		 5143 /* It's not one of our sections, so don't allocate space. */
5144 continue;
5145
c456f082 5146 if (s->size == 0)
03a12831 5147 {
c456f082
AM		 5148 /* If we don't need this section, strip it from the
5149 output file. This is mostly to handle .rela.bss and
5150 .rela.plt. We must create both sections in
5151 create_dynamic_sections, because they must be created
5152 before the linker maps input sections to output
5153 sections. The linker does that before
5154 adjust_dynamic_symbol is called, and it is that
5155 function which decides whether anything needs to go
5156 into these sections. */
8423293d 5157 s->flags |= SEC_EXCLUDE;
03a12831
AO		 5158 continue;
5159 }
5160
c456f082
AM		 5161 if ((s->flags & SEC_HAS_CONTENTS) == 0)
5162 continue;
5163
03a12831
AO		 5164 /* Allocate memory for the section contents. We use bfd_zalloc
5165 here in case unused entries are not reclaimed before the
5166 section's contents are written out. This should not happen,
5167 but this way if it does, we get a R_MN10300_NONE reloc
5168 instead of garbage. */
603b7257 5169 s->contents = bfd_zalloc (dynobj, s->size);
c456f082 5170 if (s->contents == NULL)
03a12831
AO		 5171 return FALSE;
5172 }
5173
5174 if (elf_hash_table (info)->dynamic_sections_created)
5175 {
5176 /* Add some entries to the .dynamic section. We fill in the
5177 values later, in _bfd_mn10300_elf_finish_dynamic_sections,
5178 but we must add the entries now so that we get the correct
5179 size for the .dynamic section. The DT_DEBUG entry is filled
5180 in by the dynamic linker and used by the debugger. */
0e1862bb 5181 if (! bfd_link_pic (info))
03a12831 5182 {
5a580b3a 5183 if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0))
03a12831
AO		 5184 return FALSE;
5185 }
5186
5187 if (plt)
5188 {
5a580b3a
AM		 5189 if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0)
5190 || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0)
5191 || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
5192 || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0))
03a12831
AO		 5193 return FALSE;
5194 }
5195
5196 if (relocs)
5197 {
5a580b3a
AM		 5198 if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0)
5199 || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0)
5200 || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT,
5201 sizeof (Elf32_External_Rela)))
03a12831
AO		 5202 return FALSE;
5203 }
5204
5205 if (reltext)
5206 {
5a580b3a 5207 if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0))
03a12831
AO		 5208 return FALSE;
5209 }
5210 }
5211
5212 return TRUE;
5213}
5214
5215/* Finish up dynamic symbol handling. We set the contents of various
5216 dynamic sections here. */
5217
5218static bfd_boolean
603b7257
NC		 5219_bfd_mn10300_elf_finish_dynamic_symbol (bfd * output_bfd,
5220 struct bfd_link_info * info,
5221 struct elf_link_hash_entry * h,
5222 Elf_Internal_Sym * sym)
03a12831 5223{
3d4d4302 5224 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 5225 bfd * dynobj;
5226
3d4d4302 5227 dynobj = htab->root.dynobj;
03a12831
AO		 5228
5229 if (h->plt.offset != (bfd_vma) -1)
5230 {
5231 asection * splt;
5232 asection * sgot;
5233 asection * srel;
5234 bfd_vma plt_index;
5235 bfd_vma got_offset;
5236 Elf_Internal_Rela rel;
5237
5238 /* This symbol has an entry in the procedure linkage table. Set
5239 it up. */
5240
5241 BFD_ASSERT (h->dynindx != -1);
5242
3d4d4302
AM		 5243 splt = htab->root.splt;
5244 sgot = htab->root.sgotplt;
5245 srel = bfd_get_linker_section (dynobj, ".rela.plt");
03a12831
AO		 5246 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5247
5248 /* Get the index in the procedure linkage table which
5249 corresponds to this symbol. This is the index of this symbol
5250 in all the symbols for which we are making plt entries. The
5251 first entry in the procedure linkage table is reserved. */
5252 plt_index = ((h->plt.offset - elf_mn10300_sizeof_plt0 (info))
5253 / elf_mn10300_sizeof_plt (info));
5254
5255 /* Get the offset into the .got table of the entry that
5256 corresponds to this function. Each .got entry is 4 bytes.
5257 The first three are reserved. */
5258 got_offset = (plt_index + 3) * 4;
5259
5260 /* Fill in the entry in the procedure linkage table. */
0e1862bb 5261 if (! bfd_link_pic (info))
03a12831
AO		 5262 {
5263 memcpy (splt->contents + h->plt.offset, elf_mn10300_plt_entry,
5264 elf_mn10300_sizeof_plt (info));
5265 bfd_put_32 (output_bfd,
5266 (sgot->output_section->vma
5267 + sgot->output_offset
5268 + got_offset),
5269 (splt->contents + h->plt.offset
5270 + elf_mn10300_plt_symbol_offset (info)));
5271
5272 bfd_put_32 (output_bfd,
5273 (1 - h->plt.offset - elf_mn10300_plt_plt0_offset (info)),
5274 (splt->contents + h->plt.offset
5275 + elf_mn10300_plt_plt0_offset (info)));
5276 }
5277 else
5278 {
5279 memcpy (splt->contents + h->plt.offset, elf_mn10300_pic_plt_entry,
5280 elf_mn10300_sizeof_plt (info));
5281
5282 bfd_put_32 (output_bfd, got_offset,
5283 (splt->contents + h->plt.offset
5284 + elf_mn10300_plt_symbol_offset (info)));
5285 }
5286
5287 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
5288 (splt->contents + h->plt.offset
5289 + elf_mn10300_plt_reloc_offset (info)));
5290
5291 /* Fill in the entry in the global offset table. */
5292 bfd_put_32 (output_bfd,
5293 (splt->output_section->vma
5294 + splt->output_offset
5295 + h->plt.offset
5296 + elf_mn10300_plt_temp_offset (info)),
5297 sgot->contents + got_offset);
5298
5299 /* Fill in the entry in the .rela.plt section. */
5300 rel.r_offset = (sgot->output_section->vma
5301 + sgot->output_offset
5302 + got_offset);
5303 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_JMP_SLOT);
5304 rel.r_addend = 0;
5305 bfd_elf32_swap_reloca_out (output_bfd, &rel,
560e09e9
NC		 5306 (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5307 + plt_index));
03a12831 5308
f5385ebf 5309 if (!h->def_regular)
03a12831
AO		 5310 /* Mark the symbol as undefined, rather than as defined in
5311 the .plt section. Leave the value alone. */
5312 sym->st_shndx = SHN_UNDEF;
5313 }
5314
5315 if (h->got.offset != (bfd_vma) -1)
5316 {
5317 asection * sgot;
5318 asection * srel;
5319 Elf_Internal_Rela rel;
5320
5321 /* This symbol has an entry in the global offset table. Set it up. */
3d4d4302
AM		 5322 sgot = htab->root.sgot;
5323 srel = bfd_get_linker_section (dynobj, ".rela.got");
03a12831
AO		 5324 BFD_ASSERT (sgot != NULL && srel != NULL);
5325
5326 rel.r_offset = (sgot->output_section->vma
5327 + sgot->output_offset
603b7257 5328 + (h->got.offset & ~1));
03a12831 5329
0a22ae8e 5330 switch (elf_mn10300_hash_entry (h)->tls_type)
03a12831 5331 {
0a22ae8e 5332 case GOT_TLS_GD:
03a12831 5333 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
0a22ae8e
NC		 5334 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset + 4);
5335 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_DTPMOD);
5336 rel.r_addend = 0;
5337 bfd_elf32_swap_reloca_out (output_bfd, & rel,
5338 (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5339 + srel->reloc_count));
5340 ++ srel->reloc_count;
5341 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_DTPOFF);
5342 rel.r_offset += 4;
03a12831 5343 rel.r_addend = 0;
0a22ae8e
NC		 5344 break;
5345
5346 case GOT_TLS_IE:
5347 /* We originally stored the addend in the GOT, but at this
5348 point, we want to move it to the reloc instead as that's
5349 where the dynamic linker wants it. */
5350 rel.r_addend = bfd_get_32 (output_bfd, sgot->contents + h->got.offset);
5351 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5352 if (h->dynindx == -1)
5353 rel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_TPOFF);
5354 else
5355 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_TPOFF);
5356 break;
5357
5358 default:
5359 /* If this is a -Bsymbolic link, and the symbol is defined
5360 locally, we just want to emit a RELATIVE reloc. Likewise if
5361 the symbol was forced to be local because of a version file.
5362 The entry in the global offset table will already have been
5363 initialized in the relocate_section function. */
0e1862bb 5364 if (bfd_link_pic (info)
0a22ae8e
NC		 5365 && (info->symbolic || h->dynindx == -1)
5366 && h->def_regular)
5367 {
5368 rel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
5369 rel.r_addend = (h->root.u.def.value
5370 + h->root.u.def.section->output_section->vma
5371 + h->root.u.def.section->output_offset);
5372 }
5373 else
5374 {
5375 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5376 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_GLOB_DAT);
5377 rel.r_addend = 0;
5378 }
03a12831
AO		 5379 }
5380
0a22ae8e
NC		 5381 if (ELF32_R_TYPE (rel.r_info) != R_MN10300_NONE)
5382 {
5383 bfd_elf32_swap_reloca_out (output_bfd, &rel,
5384 (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5385 + srel->reloc_count));
5386 ++ srel->reloc_count;
5387 }
03a12831
AO		 5388 }
5389
f5385ebf 5390 if (h->needs_copy)
03a12831
AO		 5391 {
5392 asection * s;
5393 Elf_Internal_Rela rel;
5394
5395 /* This symbol needs a copy reloc. Set it up. */
5396 BFD_ASSERT (h->dynindx != -1
5397 && (h->root.type == bfd_link_hash_defined
5398 || h->root.type == bfd_link_hash_defweak));
5399
3d4d4302 5400 s = bfd_get_linker_section (dynobj, ".rela.bss");
03a12831
AO		 5401 BFD_ASSERT (s != NULL);
5402
5403 rel.r_offset = (h->root.u.def.value
5404 + h->root.u.def.section->output_section->vma
5405 + h->root.u.def.section->output_offset);
5406 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_COPY);
5407 rel.r_addend = 0;
603b7257 5408 bfd_elf32_swap_reloca_out (output_bfd, & rel,
560e09e9
NC		 5409 (bfd_byte *) ((Elf32_External_Rela *) s->contents
5410 + s->reloc_count));
03a12831
AO		 5411 ++ s->reloc_count;
5412 }
5413
5414 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
9637f6ef 5415 if (h == elf_hash_table (info)->hdynamic
22edb2f1 5416 || h == elf_hash_table (info)->hgot)
03a12831
AO		 5417 sym->st_shndx = SHN_ABS;
5418
5419 return TRUE;
5420}
5421
5422/* Finish up the dynamic sections. */
5423
5424static bfd_boolean
603b7257
NC		 5425_bfd_mn10300_elf_finish_dynamic_sections (bfd * output_bfd,
5426 struct bfd_link_info * info)
03a12831
AO		 5427{
5428 bfd * dynobj;
5429 asection * sgot;
5430 asection * sdyn;
3d4d4302 5431 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831 5432
3d4d4302
AM		 5433 dynobj = htab->root.dynobj;
5434 sgot = htab->root.sgotplt;
03a12831 5435 BFD_ASSERT (sgot != NULL);
3d4d4302 5436 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
03a12831
AO		 5437
5438 if (elf_hash_table (info)->dynamic_sections_created)
5439 {
5440 asection * splt;
5441 Elf32_External_Dyn * dyncon;
5442 Elf32_External_Dyn * dynconend;
5443
5444 BFD_ASSERT (sdyn != NULL);
5445
5446 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 5447 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
03a12831
AO		 5448
5449 for (; dyncon < dynconend; dyncon++)
5450 {
5451 Elf_Internal_Dyn dyn;
5452 const char * name;
5453 asection * s;
5454
5455 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
5456
5457 switch (dyn.d_tag)
5458 {
5459 default:
5460 break;
5461
5462 case DT_PLTGOT:
5463 name = ".got";
5464 goto get_vma;
5465
5466 case DT_JMPREL:
5467 name = ".rela.plt";
5468 get_vma:
4ade44b7
AM		 5469 s = bfd_get_linker_section (dynobj, name);
5470 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
03a12831
AO		 5471 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5472 break;
5473
5474 case DT_PLTRELSZ:
4ade44b7 5475 s = bfd_get_linker_section (dynobj, ".rela.plt");
eea6121a 5476 dyn.d_un.d_val = s->size;
03a12831
AO		 5477 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5478 break;
5479
5480 case DT_RELASZ:
5481 /* My reading of the SVR4 ABI indicates that the
5482 procedure linkage table relocs (DT_JMPREL) should be
5483 included in the overall relocs (DT_RELA). This is
5484 what Solaris does. However, UnixWare can not handle
5485 that case. Therefore, we override the DT_RELASZ entry
5486 here to make it not include the JMPREL relocs. Since
5487 the linker script arranges for .rela.plt to follow all
5488 other relocation sections, we don't have to worry
5489 about changing the DT_RELA entry. */
4ade44b7 5490 s = bfd_get_linker_section (dynobj, ".rela.plt");
03a12831 5491 if (s != NULL)
eea6121a 5492 dyn.d_un.d_val -= s->size;
03a12831
AO		 5493 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5494 break;
5495 }
5496 }
5497
5498 /* Fill in the first entry in the procedure linkage table. */
3d4d4302 5499 splt = htab->root.splt;
eea6121a 5500 if (splt && splt->size > 0)
03a12831 5501 {
0e1862bb 5502 if (bfd_link_pic (info))
03a12831
AO		 5503 {
5504 memcpy (splt->contents, elf_mn10300_pic_plt_entry,
5505 elf_mn10300_sizeof_plt (info));
5506 }
5507 else
5508 {
5509 memcpy (splt->contents, elf_mn10300_plt0_entry, PLT0_ENTRY_SIZE);
5510 bfd_put_32 (output_bfd,
5511 sgot->output_section->vma + sgot->output_offset + 4,
5512 splt->contents + elf_mn10300_plt0_gotid_offset (info));
5513 bfd_put_32 (output_bfd,
5514 sgot->output_section->vma + sgot->output_offset + 8,
5515 splt->contents + elf_mn10300_plt0_linker_offset (info));
5516 }
5517
5518 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5519 really seem like the right value. */
5520 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
0a22ae8e
NC		 5521
5522 /* UnixWare sets the entsize of .plt to 4, but this is incorrect
5523 as it means that the size of the PLT0 section (15 bytes) is not
5524 a multiple of the sh_entsize. Some ELF tools flag this as an
5525 error. We could pad PLT0 to 16 bytes, but that would introduce
5526 compatibilty issues with previous toolchains, so instead we
5527 just set the entry size to 1. */
5528 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 1;
03a12831
AO		 5529 }
5530 }
5531
5532 /* Fill in the first three entries in the global offset table. */
eea6121a 5533 if (sgot->size > 0)
03a12831
AO		 5534 {
5535 if (sdyn == NULL)
5536 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5537 else
5538 bfd_put_32 (output_bfd,
5539 sdyn->output_section->vma + sdyn->output_offset,
5540 sgot->contents);
5541 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5542 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
5543 }
5544
5545 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5546
5547 return TRUE;
5548}
5549
a873f25a
AO		 5550/* Classify relocation types, such that combreloc can sort them
5551 properly. */
5552
5553static enum elf_reloc_type_class
7e612e98
AM		 5554_bfd_mn10300_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
5555 const asection *rel_sec ATTRIBUTE_UNUSED,
5556 const Elf_Internal_Rela *rela)
a873f25a
AO		 5557{
5558 switch ((int) ELF32_R_TYPE (rela->r_info))
5559 {
603b7257
NC		 5560 case R_MN10300_RELATIVE: return reloc_class_relative;
5561 case R_MN10300_JMP_SLOT: return reloc_class_plt;
5562 case R_MN10300_COPY: return reloc_class_copy;
5563 default: return reloc_class_normal;
a873f25a
AO		 5564 }
5565}
5566
997fbe36
NC		 5567/* Allocate space for an MN10300 extension to the bfd elf data structure. */
5568
5569static bfd_boolean
5570mn10300_elf_mkobject (bfd *abfd)
5571{
0a22ae8e 5572 return bfd_elf_allocate_object (abfd, sizeof (struct elf_mn10300_obj_tdata),
997fbe36
NC		 5573 MN10300_ELF_DATA);
5574}
5575
5576#define bfd_elf32_mkobject mn10300_elf_mkobject
5577
73c3cd1c 5578#ifndef ELF_ARCH
6d00b590 5579#define TARGET_LITTLE_SYM mn10300_elf32_vec
252b5132
RH		 5580#define TARGET_LITTLE_NAME "elf32-mn10300"
5581#define ELF_ARCH bfd_arch_mn10300
ae95ffa6 5582#define ELF_TARGET_ID MN10300_ELF_DATA
6f4514dc
AO		 5583#define ELF_MACHINE_CODE EM_MN10300
5584#define ELF_MACHINE_ALT1 EM_CYGNUS_MN10300
252b5132 5585#define ELF_MAXPAGESIZE 0x1000
73c3cd1c 5586#endif
252b5132
RH		 5587
5588#define elf_info_to_howto mn10300_info_to_howto
5589#define elf_info_to_howto_rel 0
5590#define elf_backend_can_gc_sections 1
b491616a 5591#define elf_backend_rela_normal 1
252b5132
RH		 5592#define elf_backend_check_relocs mn10300_elf_check_relocs
5593#define elf_backend_gc_mark_hook mn10300_elf_gc_mark_hook
5594#define elf_backend_relocate_section mn10300_elf_relocate_section
5595#define bfd_elf32_bfd_relax_section mn10300_elf_relax_section
5596#define bfd_elf32_bfd_get_relocated_section_contents \
5597 mn10300_elf_get_relocated_section_contents
5598#define bfd_elf32_bfd_link_hash_table_create \
5599 elf32_mn10300_link_hash_table_create
5600
73c3cd1c 5601#ifndef elf_symbol_leading_char
252b5132 5602#define elf_symbol_leading_char '_'
73c3cd1c 5603#endif
252b5132
RH		 5604
5605/* So we can set bits in e_flags. */
5606#define elf_backend_final_write_processing \
3b36f7e6
AM		 5607 _bfd_mn10300_elf_final_write_processing
5608#define elf_backend_object_p _bfd_mn10300_elf_object_p
252b5132
RH		 5609
5610#define bfd_elf32_bfd_merge_private_bfd_data \
3b36f7e6 5611 _bfd_mn10300_elf_merge_private_bfd_data
252b5132 5612
03a12831
AO		 5613#define elf_backend_can_gc_sections 1
5614#define elf_backend_create_dynamic_sections \
5615 _bfd_mn10300_elf_create_dynamic_sections
5616#define elf_backend_adjust_dynamic_symbol \
5617 _bfd_mn10300_elf_adjust_dynamic_symbol
5618#define elf_backend_size_dynamic_sections \
5619 _bfd_mn10300_elf_size_dynamic_sections
74541ad4
AM		 5620#define elf_backend_omit_section_dynsym \
5621 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
03a12831
AO		 5622#define elf_backend_finish_dynamic_symbol \
5623 _bfd_mn10300_elf_finish_dynamic_symbol
5624#define elf_backend_finish_dynamic_sections \
5625 _bfd_mn10300_elf_finish_dynamic_sections
0a22ae8e
NC		 5626#define elf_backend_copy_indirect_symbol \
5627 _bfd_mn10300_copy_indirect_symbol
a873f25a
AO		 5628#define elf_backend_reloc_type_class \
5629 _bfd_mn10300_elf_reloc_type_class
5630
03a12831
AO		 5631#define elf_backend_want_got_plt 1
5632#define elf_backend_plt_readonly 1
5633#define elf_backend_want_plt_sym 0
5634#define elf_backend_got_header_size 12
03a12831 5635
252b5132 5636#include "elf32-target.h"
GDB Binutils - Deliverables
This page took 1.314321 seconds and 4 git commands to generate.