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pr20882 testcase
[deliverable/binutils-gdb.git] / bfd / elf-m10300.c
CommitLineData
252b5132 1/* Matsushita 10300 specific support for 32-bit ELF
2571583a 2 Copyright (C) 1996-2017 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 */
dae82561
AM		 1028 (_("%B: Unsupported transition from %s to %s"),
1029 input_bfd,
0a22ae8e
NC		 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. */
bc4e12de 1097 h->root.non_ir_ref_regular = 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
ce558b89
AM		 1177 sgot = htab->root.sgot;
1178 srelgot = htab->root.srelgot;
1179 BFD_ASSERT (sgot != NULL && srelgot != NULL);
03a12831 1180
0a22ae8e
NC		 1181 if (r_type == R_MN10300_TLS_LD)
1182 {
1183 htab->tls_ldm_got.offset = sgot->size;
1184 htab->tls_ldm_got.got_allocated ++;
1185 }
1186 else if (h != NULL)
03a12831 1187 {
0a22ae8e
NC		 1188 if (elf_mn10300_hash_entry (h)->tls_type != tls_type
1189 && elf_mn10300_hash_entry (h)->tls_type != GOT_UNKNOWN)
1190 {
1191 if (tls_type == GOT_TLS_IE
1192 && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_GD)
1193 /* No change - this is ok. */;
1194 else if (tls_type == GOT_TLS_GD
1195 && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_IE)
1196 /* Transition GD->IE. */
1197 tls_type = GOT_TLS_IE;
1198 else
4eca0228 1199 _bfd_error_handler
695344c0 1200 /* xgettext:c-format */
0a22ae8e
NC		 1201 (_("%B: %s' accessed both as normal and thread local symbol"),
1202 abfd, h ? h->root.root.string : "<local>");
1203 }
1204
1205 elf_mn10300_hash_entry (h)->tls_type = tls_type;
1206
03a12831
AO		 1207 if (h->got.offset != (bfd_vma) -1)
1208 /* We have already allocated space in the .got. */
1209 break;
1210
eea6121a 1211 h->got.offset = sgot->size;
03a12831 1212
0a22ae8e
NC		 1213 if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1214 /* Make sure this symbol is output as a dynamic symbol. */
1215 && h->dynindx == -1)
03a12831 1216 {
c152c796 1217 if (! bfd_elf_link_record_dynamic_symbol (info, h))
62d7f790 1218 goto fail;
03a12831
AO		 1219 }
1220
eea6121a 1221 srelgot->size += sizeof (Elf32_External_Rela);
0a22ae8e
NC		 1222 if (r_type == R_MN10300_TLS_GD)
1223 srelgot->size += sizeof (Elf32_External_Rela);
03a12831
AO		 1224 }
1225 else
1226 {
1227 /* This is a global offset table entry for a local
3b36f7e6 1228 symbol. */
03a12831
AO		 1229 if (local_got_offsets == NULL)
1230 {
1231 size_t size;
1232 unsigned int i;
1233
0a22ae8e 1234 size = symtab_hdr->sh_info * (sizeof (bfd_vma) + sizeof (char));
603b7257 1235 local_got_offsets = bfd_alloc (abfd, size);
03a12831
AO		 1236
1237 if (local_got_offsets == NULL)
62d7f790
NC		 1238 goto fail;
1239
03a12831 1240 elf_local_got_offsets (abfd) = local_got_offsets;
0a22ae8e
NC		 1241 elf_mn10300_local_got_tls_type (abfd)
1242 = (char *) (local_got_offsets + symtab_hdr->sh_info);
03a12831
AO		 1243
1244 for (i = 0; i < symtab_hdr->sh_info; i++)
1245 local_got_offsets[i] = (bfd_vma) -1;
1246 }
1247
1248 if (local_got_offsets[r_symndx] != (bfd_vma) -1)
1249 /* We have already allocated space in the .got. */
1250 break;
1251
eea6121a 1252 local_got_offsets[r_symndx] = sgot->size;
03a12831 1253
0e1862bb 1254 if (bfd_link_pic (info))
0a22ae8e
NC		 1255 {
1256 /* If we are generating a shared object, we need to
1257 output a R_MN10300_RELATIVE reloc so that the dynamic
1258 linker can adjust this GOT entry. */
1259 srelgot->size += sizeof (Elf32_External_Rela);
1260
1261 if (r_type == R_MN10300_TLS_GD)
1262 /* And a R_MN10300_TLS_DTPOFF reloc as well. */
1263 srelgot->size += sizeof (Elf32_External_Rela);
1264 }
1265
1266 elf_mn10300_local_got_tls_type (abfd) [r_symndx] = tls_type;
03a12831
AO		 1267 }
1268
eea6121a 1269 sgot->size += 4;
0a22ae8e
NC		 1270 if (r_type == R_MN10300_TLS_GD
1271 || r_type == R_MN10300_TLS_LD)
1272 sgot->size += 4;
1273
1274 goto need_shared_relocs;
03a12831
AO		 1275
1276 case R_MN10300_PLT32:
1277 case R_MN10300_PLT16:
1278 /* This symbol requires a procedure linkage table entry. We
1279 actually build the entry in adjust_dynamic_symbol,
1280 because this might be a case of linking PIC code which is
1281 never referenced by a dynamic object, in which case we
1282 don't need to generate a procedure linkage table entry
1283 after all. */
1284
1285 /* If this is a local symbol, we resolve it directly without
1286 creating a procedure linkage table entry. */
1287 if (h == NULL)
1288 continue;
1289
1290 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1291 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
1292 break;
1293
f5385ebf 1294 h->needs_plt = 1;
03a12831
AO		 1295 break;
1296
03a12831
AO		 1297 case R_MN10300_24:
1298 case R_MN10300_16:
1299 case R_MN10300_8:
1300 case R_MN10300_PCREL32:
1301 case R_MN10300_PCREL16:
1302 case R_MN10300_PCREL8:
1303 if (h != NULL)
f5385ebf 1304 h->non_got_ref = 1;
146ccdbb 1305 break;
03a12831 1306
bfff1642
NC		 1307 case R_MN10300_SYM_DIFF:
1308 sym_diff_reloc_seen = TRUE;
1309 break;
1310
146ccdbb
AO		 1311 case R_MN10300_32:
1312 if (h != NULL)
f5385ebf 1313 h->non_got_ref = 1;
146ccdbb 1314
0a22ae8e 1315 need_shared_relocs:
bfff1642
NC		 1316 /* If we are creating a shared library, then we
1317 need to copy the reloc into the shared library. */
0e1862bb 1318 if (bfd_link_pic (info)
bfff1642
NC		 1319 && (sec->flags & SEC_ALLOC) != 0
1320 /* Do not generate a dynamic reloc for a
1321 reloc associated with a SYM_DIFF operation. */
1322 && ! sym_diff_reloc_seen)
03a12831 1323 {
bfff1642 1324 asection * sym_section = NULL;
03a12831 1325
bfff1642
NC		 1326 /* Find the section containing the
1327 symbol involved in the relocation. */
1328 if (h == NULL)
1329 {
bfff1642
NC		 1330 Elf_Internal_Sym * isym;
1331
bfff1642
NC		 1332 if (isymbuf == NULL)
1333 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
1334 symtab_hdr->sh_info, 0,
1335 NULL, NULL, NULL);
1336 if (isymbuf)
1337 {
1338 isym = isymbuf + r_symndx;
1339 /* All we care about is whether this local symbol is absolute. */
1340 if (isym->st_shndx == SHN_ABS)
1341 sym_section = bfd_abs_section_ptr;
1342 }
1343 }
1344 else
1345 {
1346 if (h->root.type == bfd_link_hash_defined
1347 || h->root.type == bfd_link_hash_defweak)
1348 sym_section = h->root.u.def.section;
1349 }
03a12831 1350
bfff1642
NC		 1351 /* If the symbol is absolute then the relocation can
1352 be resolved during linking and there is no need for
1353 a dynamic reloc. */
1354 if (sym_section != bfd_abs_section_ptr)
1355 {
1356 /* When creating a shared object, we must copy these
1357 reloc types into the output file. We create a reloc
1358 section in dynobj and make room for this reloc. */
03a12831
AO		 1359 if (sreloc == NULL)
1360 {
83bac4b0
NC		 1361 sreloc = _bfd_elf_make_dynamic_reloc_section
1362 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
bfff1642 1363 if (sreloc == NULL)
83bac4b0 1364 goto fail;
03a12831 1365 }
03a12831 1366
bfff1642
NC		 1367 sreloc->size += sizeof (Elf32_External_Rela);
1368 }
03a12831
AO		 1369 }
1370
1371 break;
252b5132 1372 }
bfff1642
NC		 1373
1374 if (ELF32_R_TYPE (rel->r_info) != R_MN10300_SYM_DIFF)
1375 sym_diff_reloc_seen = FALSE;
252b5132
RH		 1376 }
1377
62d7f790
NC		 1378 result = TRUE;
1379 fail:
1380 if (isymbuf != NULL)
1381 free (isymbuf);
1382
1383 return result;
252b5132
RH		 1384}
1385
1386/* Return the section that should be marked against GC for a given
1387 relocation. */
1388
1389static asection *
07adf181
AM		 1390mn10300_elf_gc_mark_hook (asection *sec,
1391 struct bfd_link_info *info,
1392 Elf_Internal_Rela *rel,
1393 struct elf_link_hash_entry *h,
1394 Elf_Internal_Sym *sym)
252b5132
RH		 1395{
1396 if (h != NULL)
07adf181
AM		 1397 switch (ELF32_R_TYPE (rel->r_info))
1398 {
1399 case R_MN10300_GNU_VTINHERIT:
1400 case R_MN10300_GNU_VTENTRY:
1401 return NULL;
1402 }
1403
1404 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH		 1405}
1406
1407/* Perform a relocation as part of a final link. */
603b7257 1408
252b5132 1409static bfd_reloc_status_type
603b7257
NC		 1410mn10300_elf_final_link_relocate (reloc_howto_type *howto,
1411 bfd *input_bfd,
1412 bfd *output_bfd ATTRIBUTE_UNUSED,
1413 asection *input_section,
1414 bfd_byte *contents,
1415 bfd_vma offset,
1416 bfd_vma value,
1417 bfd_vma addend,
1418 struct elf_link_hash_entry * h,
1419 unsigned long symndx,
1420 struct bfd_link_info *info,
1421 asection *sym_sec ATTRIBUTE_UNUSED,
1422 int is_local ATTRIBUTE_UNUSED)
252b5132 1423{
0a22ae8e 1424 struct elf32_mn10300_link_hash_table * htab = elf32_mn10300_hash_table (info);
bfff1642
NC		 1425 static asection * sym_diff_section;
1426 static bfd_vma sym_diff_value;
1427 bfd_boolean is_sym_diff_reloc;
252b5132 1428 unsigned long r_type = howto->type;
603b7257 1429 bfd_byte * hit_data = contents + offset;
03a12831 1430 bfd * dynobj;
03a12831
AO		 1431 asection * sgot;
1432 asection * splt;
1433 asection * sreloc;
1434
1435 dynobj = elf_hash_table (info)->dynobj;
03a12831
AO		 1436 sgot = NULL;
1437 splt = NULL;
1438 sreloc = NULL;
252b5132 1439
146ccdbb
AO		 1440 switch (r_type)
1441 {
1442 case R_MN10300_24:
1443 case R_MN10300_16:
1444 case R_MN10300_8:
1445 case R_MN10300_PCREL8:
1446 case R_MN10300_PCREL16:
1447 case R_MN10300_PCREL32:
1448 case R_MN10300_GOTOFF32:
1449 case R_MN10300_GOTOFF24:
1450 case R_MN10300_GOTOFF16:
0e1862bb 1451 if (bfd_link_pic (info)
146ccdbb
AO		 1452 && (input_section->flags & SEC_ALLOC) != 0
1453 && h != NULL
7e2294f9 1454 && ! SYMBOL_REFERENCES_LOCAL (info, h))
146ccdbb 1455 return bfd_reloc_dangerous;
1a0670f3 1456 /* Fall through. */
0a22ae8e
NC		 1457 case R_MN10300_GOT32:
1458 /* Issue 2052223:
1459 Taking the address of a protected function in a shared library
1460 is illegal. Issue an error message here. */
0e1862bb 1461 if (bfd_link_pic (info)
0a22ae8e
NC		 1462 && (input_section->flags & SEC_ALLOC) != 0
1463 && h != NULL
1464 && ELF_ST_VISIBILITY (h->other) == STV_PROTECTED
1465 && (h->type == STT_FUNC || h->type == STT_GNU_IFUNC)
1466 && ! SYMBOL_REFERENCES_LOCAL (info, h))
1467 return bfd_reloc_dangerous;
146ccdbb
AO		 1468 }
1469
bfff1642
NC		 1470 is_sym_diff_reloc = FALSE;
1471 if (sym_diff_section != NULL)
1472 {
1473 BFD_ASSERT (sym_diff_section == input_section);
1474
1475 switch (r_type)
1476 {
1477 case R_MN10300_32:
1478 case R_MN10300_24:
1479 case R_MN10300_16:
1480 case R_MN10300_8:
1481 value -= sym_diff_value;
b5f5fd96
NC		 1482 /* If we are computing a 32-bit value for the location lists
1483 and the result is 0 then we add one to the value. A zero
1484 value can result because of linker relaxation deleteing
1485 prologue instructions and using a value of 1 (for the begin
1486 and end offsets in the location list entry) results in a
1487 nul entry which does not prevent the following entries from
1488 being parsed. */
1489 if (r_type == R_MN10300_32
1490 && value == 0
1491 && strcmp (input_section->name, ".debug_loc") == 0)
1492 value = 1;
bfff1642
NC		 1493 sym_diff_section = NULL;
1494 is_sym_diff_reloc = TRUE;
1495 break;
1496
1497 default:
1498 sym_diff_section = NULL;
1499 break;
1500 }
1501 }
1502
252b5132
RH		 1503 switch (r_type)
1504 {
bfff1642
NC		 1505 case R_MN10300_SYM_DIFF:
1506 BFD_ASSERT (addend == 0);
1507 /* Cache the input section and value.
1508 The offset is unreliable, since relaxation may
1509 have reduced the following reloc's offset. */
1510 sym_diff_section = input_section;
1511 sym_diff_value = value;
1512 return bfd_reloc_ok;
1513
569006e5 1514 case R_MN10300_ALIGN:
252b5132
RH		 1515 case R_MN10300_NONE:
1516 return bfd_reloc_ok;
1517
1518 case R_MN10300_32:
0e1862bb 1519 if (bfd_link_pic (info)
bfff1642
NC		 1520 /* Do not generate relocs when an R_MN10300_32 has been used
1521 with an R_MN10300_SYM_DIFF to compute a difference of two
1522 symbols. */
1523 && is_sym_diff_reloc == FALSE
1524 /* Also, do not generate a reloc when the symbol associated
1525 with the R_MN10300_32 reloc is absolute - there is no
1526 need for a run time computation in this case. */
1527 && sym_sec != bfd_abs_section_ptr
1528 /* If the section is not going to be allocated at load time
1529 then there is no need to generate relocs for it. */
03a12831
AO		 1530 && (input_section->flags & SEC_ALLOC) != 0)
1531 {
1532 Elf_Internal_Rela outrel;
1533 bfd_boolean skip, relocate;
1534
1535 /* When generating a shared object, these relocations are
1536 copied into the output file to be resolved at run
1537 time. */
1538 if (sreloc == NULL)
1539 {
83bac4b0
NC		 1540 sreloc = _bfd_elf_get_dynamic_reloc_section
1541 (input_bfd, input_section, /*rela?*/ TRUE);
1542 if (sreloc == NULL)
03a12831 1543 return FALSE;
03a12831
AO		 1544 }
1545
1546 skip = FALSE;
1547
eea6121a
AM		 1548 outrel.r_offset = _bfd_elf_section_offset (input_bfd, info,
1549 input_section, offset);
1550 if (outrel.r_offset == (bfd_vma) -1)
1551 skip = TRUE;
03a12831
AO		 1552
1553 outrel.r_offset += (input_section->output_section->vma
1554 + input_section->output_offset);
1555
1556 if (skip)
1557 {
1558 memset (&outrel, 0, sizeof outrel);
1559 relocate = FALSE;
1560 }
1561 else
1562 {
1563 /* h->dynindx may be -1 if this symbol was marked to
1564 become local. */
1565 if (h == NULL
7e2294f9 1566 || SYMBOL_REFERENCES_LOCAL (info, h))
03a12831
AO		 1567 {
1568 relocate = TRUE;
1569 outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
1570 outrel.r_addend = value + addend;
1571 }
1572 else
1573 {
1574 BFD_ASSERT (h->dynindx != -1);
1575 relocate = FALSE;
1576 outrel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_32);
1577 outrel.r_addend = value + addend;
1578 }
1579 }
1580
1581 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
560e09e9
NC		 1582 (bfd_byte *) (((Elf32_External_Rela *) sreloc->contents)
1583 + sreloc->reloc_count));
03a12831
AO		 1584 ++sreloc->reloc_count;
1585
1586 /* If this reloc is against an external symbol, we do
1587 not want to fiddle with the addend. Otherwise, we
1588 need to include the symbol value so that it becomes
1589 an addend for the dynamic reloc. */
1590 if (! relocate)
1591 return bfd_reloc_ok;
1592 }
252b5132
RH		 1593 value += addend;
1594 bfd_put_32 (input_bfd, value, hit_data);
1595 return bfd_reloc_ok;
1596
1597 case R_MN10300_24:
1598 value += addend;
1599
010ac81f 1600 if ((long) value > 0x7fffff || (long) value < -0x800000)
252b5132
RH		 1601 return bfd_reloc_overflow;
1602
1603 bfd_put_8 (input_bfd, value & 0xff, hit_data);
1604 bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1605 bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1606 return bfd_reloc_ok;
1607
1608 case R_MN10300_16:
1609 value += addend;
1610
010ac81f 1611 if ((long) value > 0x7fff || (long) value < -0x8000)
252b5132
RH		 1612 return bfd_reloc_overflow;
1613
1614 bfd_put_16 (input_bfd, value, hit_data);
1615 return bfd_reloc_ok;
1616
1617 case R_MN10300_8:
1618 value += addend;
1619
010ac81f 1620 if ((long) value > 0x7f || (long) value < -0x80)
252b5132
RH		 1621 return bfd_reloc_overflow;
1622
1623 bfd_put_8 (input_bfd, value, hit_data);
1624 return bfd_reloc_ok;
1625
1626 case R_MN10300_PCREL8:
1627 value -= (input_section->output_section->vma
1628 + input_section->output_offset);
1629 value -= offset;
1630 value += addend;
1631
605d18d4 1632 if ((long) value > 0x7f || (long) value < -0x80)
252b5132
RH		 1633 return bfd_reloc_overflow;
1634
1635 bfd_put_8 (input_bfd, value, hit_data);
1636 return bfd_reloc_ok;
1637
1638 case R_MN10300_PCREL16:
1639 value -= (input_section->output_section->vma
1640 + input_section->output_offset);
1641 value -= offset;
1642 value += addend;
1643
605d18d4 1644 if ((long) value > 0x7fff || (long) value < -0x8000)
252b5132
RH		 1645 return bfd_reloc_overflow;
1646
1647 bfd_put_16 (input_bfd, value, hit_data);
1648 return bfd_reloc_ok;
1649
1650 case R_MN10300_PCREL32:
1651 value -= (input_section->output_section->vma
1652 + input_section->output_offset);
1653 value -= offset;
1654 value += addend;
1655
1656 bfd_put_32 (input_bfd, value, hit_data);
1657 return bfd_reloc_ok;
1658
1659 case R_MN10300_GNU_VTINHERIT:
1660 case R_MN10300_GNU_VTENTRY:
1661 return bfd_reloc_ok;
1662
03a12831 1663 case R_MN10300_GOTPC32:
0a22ae8e
NC		 1664 if (dynobj == NULL)
1665 return bfd_reloc_dangerous;
1666
03a12831 1667 /* Use global offset table as symbol value. */
3d4d4302 1668 value = htab->root.sgot->output_section->vma;
03a12831
AO		 1669 value -= (input_section->output_section->vma
1670 + input_section->output_offset);
1671 value -= offset;
1672 value += addend;
1673
1674 bfd_put_32 (input_bfd, value, hit_data);
1675 return bfd_reloc_ok;
3b36f7e6 1676
03a12831 1677 case R_MN10300_GOTPC16:
0a22ae8e
NC		 1678 if (dynobj == NULL)
1679 return bfd_reloc_dangerous;
1680
03a12831 1681 /* Use global offset table as symbol value. */
3d4d4302 1682 value = htab->root.sgot->output_section->vma;
03a12831
AO		 1683 value -= (input_section->output_section->vma
1684 + input_section->output_offset);
1685 value -= offset;
1686 value += addend;
1687
605d18d4 1688 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1689 return bfd_reloc_overflow;
1690
1691 bfd_put_16 (input_bfd, value, hit_data);
1692 return bfd_reloc_ok;
1693
1694 case R_MN10300_GOTOFF32:
0a22ae8e
NC		 1695 if (dynobj == NULL)
1696 return bfd_reloc_dangerous;
1697
3d4d4302 1698 value -= htab->root.sgot->output_section->vma;
03a12831 1699 value += addend;
3b36f7e6 1700
03a12831
AO		 1701 bfd_put_32 (input_bfd, value, hit_data);
1702 return bfd_reloc_ok;
1703
1704 case R_MN10300_GOTOFF24:
0a22ae8e
NC		 1705 if (dynobj == NULL)
1706 return bfd_reloc_dangerous;
1707
3d4d4302 1708 value -= htab->root.sgot->output_section->vma;
03a12831 1709 value += addend;
3b36f7e6 1710
03a12831
AO		 1711 if ((long) value > 0x7fffff || (long) value < -0x800000)
1712 return bfd_reloc_overflow;
1713
1714 bfd_put_8 (input_bfd, value, hit_data);
1715 bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1716 bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1717 return bfd_reloc_ok;
1718
1719 case R_MN10300_GOTOFF16:
0a22ae8e
NC		 1720 if (dynobj == NULL)
1721 return bfd_reloc_dangerous;
1722
3d4d4302 1723 value -= htab->root.sgot->output_section->vma;
03a12831 1724 value += addend;
3b36f7e6 1725
605d18d4 1726 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1727 return bfd_reloc_overflow;
1728
1729 bfd_put_16 (input_bfd, value, hit_data);
1730 return bfd_reloc_ok;
1731
1732 case R_MN10300_PLT32:
1733 if (h != NULL
1734 && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1735 && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
1736 && h->plt.offset != (bfd_vma) -1)
1737 {
0a22ae8e
NC		 1738 if (dynobj == NULL)
1739 return bfd_reloc_dangerous;
1740
3d4d4302 1741 splt = htab->root.splt;
03a12831
AO		 1742 value = (splt->output_section->vma
1743 + splt->output_offset
1744 + h->plt.offset) - value;
1745 }
1746
1747 value -= (input_section->output_section->vma
1748 + input_section->output_offset);
1749 value -= offset;
1750 value += addend;
1751
1752 bfd_put_32 (input_bfd, value, hit_data);
1753 return bfd_reloc_ok;
1754
1755 case R_MN10300_PLT16:
1756 if (h != NULL
1757 && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1758 && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
1759 && h->plt.offset != (bfd_vma) -1)
1760 {
0a22ae8e
NC		 1761 if (dynobj == NULL)
1762 return bfd_reloc_dangerous;
1763
3d4d4302 1764 splt = htab->root.splt;
03a12831
AO		 1765 value = (splt->output_section->vma
1766 + splt->output_offset
1767 + h->plt.offset) - value;
1768 }
1769
1770 value -= (input_section->output_section->vma
1771 + input_section->output_offset);
1772 value -= offset;
1773 value += addend;
1774
605d18d4 1775 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1776 return bfd_reloc_overflow;
1777
1778 bfd_put_16 (input_bfd, value, hit_data);
1779 return bfd_reloc_ok;
1780
0a22ae8e
NC		 1781 case R_MN10300_TLS_LDO:
1782 value = dtpoff (info, value);
1783 bfd_put_32 (input_bfd, value + addend, hit_data);
1784 return bfd_reloc_ok;
1785
1786 case R_MN10300_TLS_LE:
1787 value = tpoff (info, value);
1788 bfd_put_32 (input_bfd, value + addend, hit_data);
1789 return bfd_reloc_ok;
1790
1791 case R_MN10300_TLS_LD:
1792 if (dynobj == NULL)
1793 return bfd_reloc_dangerous;
1794
3d4d4302 1795 sgot = htab->root.sgot;
0a22ae8e
NC		 1796 BFD_ASSERT (sgot != NULL);
1797 value = htab->tls_ldm_got.offset + sgot->output_offset;
1798 bfd_put_32 (input_bfd, value, hit_data);
1799
1800 if (!htab->tls_ldm_got.rel_emitted)
1801 {
ce558b89 1802 asection *srelgot = htab->root.srelgot;
0a22ae8e
NC		 1803 Elf_Internal_Rela rel;
1804
1805 BFD_ASSERT (srelgot != NULL);
1806 htab->tls_ldm_got.rel_emitted ++;
1807 rel.r_offset = (sgot->output_section->vma
1808 + sgot->output_offset
1809 + htab->tls_ldm_got.offset);
1810 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + htab->tls_ldm_got.offset);
1811 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + htab->tls_ldm_got.offset+4);
1812 rel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPMOD);
1813 rel.r_addend = 0;
1814 bfd_elf32_swap_reloca_out (output_bfd, & rel,
1815 (bfd_byte *) ((Elf32_External_Rela *) srelgot->contents
1816 + srelgot->reloc_count));
1817 ++ srelgot->reloc_count;
1818 }
1819
1820 return bfd_reloc_ok;
1821
1822 case R_MN10300_TLS_GOTIE:
1823 value = tpoff (info, value);
1824 /* Fall Through. */
1825
1826 case R_MN10300_TLS_GD:
1827 case R_MN10300_TLS_IE:
03a12831
AO		 1828 case R_MN10300_GOT32:
1829 case R_MN10300_GOT24:
1830 case R_MN10300_GOT16:
0a22ae8e
NC		 1831 if (dynobj == NULL)
1832 return bfd_reloc_dangerous;
3b36f7e6 1833
3d4d4302 1834 sgot = htab->root.sgot;
0a22ae8e
NC		 1835 if (r_type == R_MN10300_TLS_GD)
1836 value = dtpoff (info, value);
03a12831 1837
0a22ae8e
NC		 1838 if (h != NULL)
1839 {
1840 bfd_vma off;
1841
1842 off = h->got.offset;
1843 /* Offsets in the GOT are allocated in check_relocs
1844 which is not called for shared libraries... */
1845 if (off == (bfd_vma) -1)
1846 off = 0;
1847
1848 if (sgot->contents != NULL
1849 && (! elf_hash_table (info)->dynamic_sections_created
1850 || SYMBOL_REFERENCES_LOCAL (info, h)))
1851 /* This is actually a static link, or it is a
1852 -Bsymbolic link and the symbol is defined
1853 locally, or the symbol was forced to be local
1854 because of a version file. We must initialize
1855 this entry in the global offset table.
1856
1857 When doing a dynamic link, we create a .rela.got
1858 relocation entry to initialize the value. This
1859 is done in the finish_dynamic_symbol routine. */
1860 bfd_put_32 (output_bfd, value,
1861 sgot->contents + off);
1862
1863 value = sgot->output_offset + off;
1864 }
1865 else
1866 {
1867 bfd_vma off;
03a12831 1868
0a22ae8e 1869 off = elf_local_got_offsets (input_bfd)[symndx];
03a12831 1870
0a22ae8e
NC		 1871 if (off & 1)
1872 bfd_put_32 (output_bfd, value, sgot->contents + (off & ~ 1));
1873 else
1874 {
03a12831
AO		 1875 bfd_put_32 (output_bfd, value, sgot->contents + off);
1876
0e1862bb 1877 if (bfd_link_pic (info))
03a12831 1878 {
ce558b89 1879 asection *srelgot = htab->root.srelgot;;
03a12831
AO		 1880 Elf_Internal_Rela outrel;
1881
03a12831
AO		 1882 BFD_ASSERT (srelgot != NULL);
1883
1884 outrel.r_offset = (sgot->output_section->vma
1885 + sgot->output_offset
1886 + off);
0a22ae8e
NC		 1887 switch (r_type)
1888 {
1889 case R_MN10300_TLS_GD:
1890 outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPOFF);
1891 outrel.r_offset = (sgot->output_section->vma
1892 + sgot->output_offset
1893 + off + 4);
1894 bfd_elf32_swap_reloca_out (output_bfd, & outrel,
1895 (bfd_byte *) (((Elf32_External_Rela *)
1896 srelgot->contents)
1897 + srelgot->reloc_count));
1898 ++ srelgot->reloc_count;
1899 outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPMOD);
1900 break;
1901 case R_MN10300_TLS_GOTIE:
1902 case R_MN10300_TLS_IE:
1903 outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_TPOFF);
1904 break;
1905 default:
1906 outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
1907 break;
1908 }
1909
03a12831
AO		 1910 outrel.r_addend = value;
1911 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
560e09e9
NC		 1912 (bfd_byte *) (((Elf32_External_Rela *)
1913 srelgot->contents)
1914 + srelgot->reloc_count));
03a12831 1915 ++ srelgot->reloc_count;
0a22ae8e 1916 elf_local_got_offsets (input_bfd)[symndx] |= 1;
03a12831
AO		 1917 }
1918
0a22ae8e 1919 value = sgot->output_offset + (off & ~(bfd_vma) 1);
03a12831 1920 }
0a22ae8e 1921 }
03a12831
AO		 1922
1923 value += addend;
1924
0a22ae8e
NC		 1925 if (r_type == R_MN10300_TLS_IE)
1926 {
1927 value += sgot->output_section->vma;
1928 bfd_put_32 (input_bfd, value, hit_data);
1929 return bfd_reloc_ok;
1930 }
1931 else if (r_type == R_MN10300_TLS_GOTIE
1932 || r_type == R_MN10300_TLS_GD
1933 || r_type == R_MN10300_TLS_LD)
1934 {
1935 bfd_put_32 (input_bfd, value, hit_data);
1936 return bfd_reloc_ok;
1937 }
1938 else if (r_type == R_MN10300_GOT32)
03a12831
AO		 1939 {
1940 bfd_put_32 (input_bfd, value, hit_data);
1941 return bfd_reloc_ok;
1942 }
1943 else if (r_type == R_MN10300_GOT24)
1944 {
1945 if ((long) value > 0x7fffff || (long) value < -0x800000)
1946 return bfd_reloc_overflow;
1947
1948 bfd_put_8 (input_bfd, value & 0xff, hit_data);
1949 bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1950 bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1951 return bfd_reloc_ok;
1952 }
1953 else if (r_type == R_MN10300_GOT16)
1954 {
605d18d4 1955 if ((long) value > 0x7fff || (long) value < -0x8000)
03a12831
AO		 1956 return bfd_reloc_overflow;
1957
1958 bfd_put_16 (input_bfd, value, hit_data);
1959 return bfd_reloc_ok;
1960 }
1961 /* Fall through. */
3b36f7e6 1962
252b5132
RH		 1963 default:
1964 return bfd_reloc_notsupported;
1965 }
1966}
252b5132
RH		 1967\f
1968/* Relocate an MN10300 ELF section. */
603b7257 1969
b34976b6 1970static bfd_boolean
603b7257
NC		 1971mn10300_elf_relocate_section (bfd *output_bfd,
1972 struct bfd_link_info *info,
1973 bfd *input_bfd,
1974 asection *input_section,
1975 bfd_byte *contents,
1976 Elf_Internal_Rela *relocs,
1977 Elf_Internal_Sym *local_syms,
1978 asection **local_sections)
252b5132
RH		 1979{
1980 Elf_Internal_Shdr *symtab_hdr;
b2a8e766 1981 struct elf_link_hash_entry **sym_hashes;
252b5132 1982 Elf_Internal_Rela *rel, *relend;
0a22ae8e 1983 Elf_Internal_Rela * trel;
252b5132
RH		 1984
1985 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
b2a8e766 1986 sym_hashes = elf_sym_hashes (input_bfd);
252b5132
RH		 1987
1988 rel = relocs;
1989 relend = relocs + input_section->reloc_count;
1990 for (; rel < relend; rel++)
1991 {
1992 int r_type;
1993 reloc_howto_type *howto;
1994 unsigned long r_symndx;
1995 Elf_Internal_Sym *sym;
1996 asection *sec;
1997 struct elf32_mn10300_link_hash_entry *h;
1998 bfd_vma relocation;
1999 bfd_reloc_status_type r;
0a22ae8e
NC		 2000 int tls_r_type;
2001 bfd_boolean unresolved_reloc = FALSE;
62d887d4 2002 bfd_boolean warned, ignored;
0a22ae8e 2003 struct elf_link_hash_entry * hh;
252b5132 2004
0a22ae8e 2005 relocation = 0;
252b5132
RH		 2006 r_symndx = ELF32_R_SYM (rel->r_info);
2007 r_type = ELF32_R_TYPE (rel->r_info);
2008 howto = elf_mn10300_howto_table + r_type;
2009
2010 /* Just skip the vtable gc relocs. */
2011 if (r_type == R_MN10300_GNU_VTINHERIT
2012 || r_type == R_MN10300_GNU_VTENTRY)
2013 continue;
2014
252b5132
RH		 2015 h = NULL;
2016 sym = NULL;
2017 sec = NULL;
2018 if (r_symndx < symtab_hdr->sh_info)
0a22ae8e 2019 hh = NULL;
252b5132
RH		 2020 else
2021 {
b2a8e766
AM		 2022 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2023 r_symndx, symtab_hdr, sym_hashes,
2024 hh, sec, relocation,
62d887d4 2025 unresolved_reloc, warned, ignored);
0a22ae8e
NC		 2026 }
2027 h = elf_mn10300_hash_entry (hh);
560e09e9 2028
0a22ae8e
NC		 2029 tls_r_type = elf_mn10300_tls_transition (info, r_type, hh, input_section, 0);
2030 if (tls_r_type != r_type)
2031 {
2032 bfd_boolean had_plt;
2033
2034 had_plt = mn10300_do_tls_transition (input_bfd, r_type, tls_r_type,
2035 contents, rel->r_offset);
2036 r_type = tls_r_type;
2037 howto = elf_mn10300_howto_table + r_type;
2038
2039 if (had_plt)
2040 for (trel = rel+1; trel < relend; trel++)
2041 if ((ELF32_R_TYPE (trel->r_info) == R_MN10300_PLT32
2042 || ELF32_R_TYPE (trel->r_info) == R_MN10300_PCREL32)
2043 && rel->r_offset + had_plt == trel->r_offset)
2044 trel->r_info = ELF32_R_INFO (0, R_MN10300_NONE);
2045 }
560e09e9 2046
0a22ae8e
NC		 2047 if (r_symndx < symtab_hdr->sh_info)
2048 {
2049 sym = local_syms + r_symndx;
2050 sec = local_sections[r_symndx];
2051 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2052 }
2053 else
2054 {
560e09e9 2055 if ((h->root.root.type == bfd_link_hash_defined
252b5132 2056 || h->root.root.type == bfd_link_hash_defweak)
560e09e9 2057 && ( r_type == R_MN10300_GOTPC32
03a12831
AO		 2058 || r_type == R_MN10300_GOTPC16
2059 || (( r_type == R_MN10300_PLT32
2060 || r_type == R_MN10300_PLT16)
2061 && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
2062 && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
2063 && h->root.plt.offset != (bfd_vma) -1)
2064 || (( r_type == R_MN10300_GOT32
2065 || r_type == R_MN10300_GOT24
0a22ae8e
NC		 2066 || r_type == R_MN10300_TLS_GD
2067 || r_type == R_MN10300_TLS_LD
2068 || r_type == R_MN10300_TLS_GOTIE
2069 || r_type == R_MN10300_TLS_IE
03a12831
AO		 2070 || r_type == R_MN10300_GOT16)
2071 && elf_hash_table (info)->dynamic_sections_created
7e2294f9 2072 && !SYMBOL_REFERENCES_LOCAL (info, hh))
146ccdbb 2073 || (r_type == R_MN10300_32
bfff1642
NC		 2074 /* _32 relocs in executables force _COPY relocs,
2075 such that the address of the symbol ends up
2076 being local. */
0e1862bb 2077 && !bfd_link_executable (info)
7e2294f9 2078 && !SYMBOL_REFERENCES_LOCAL (info, hh)
03a12831
AO		 2079 && ((input_section->flags & SEC_ALLOC) != 0
2080 /* DWARF will emit R_MN10300_32 relocations
2081 in its sections against symbols defined
2082 externally in shared libraries. We can't
2083 do anything with them here. */
2084 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 2085 && h->root.def_dynamic)))))
560e09e9
NC		 2086 /* In these cases, we don't need the relocation
2087 value. We check specially because in some
2088 obscure cases sec->output_section will be NULL. */
03a12831 2089 relocation = 0;
560e09e9 2090
0e1862bb 2091 else if (!bfd_link_relocatable (info) && unresolved_reloc
1d5316ab
AM		 2092 && _bfd_elf_section_offset (output_bfd, info, input_section,
2093 rel->r_offset) != (bfd_vma) -1)
2094
4eca0228 2095 _bfd_error_handler
695344c0 2096 /* xgettext:c-format */
843fe662
L		 2097 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
2098 input_bfd,
2099 input_section,
2100 (long) rel->r_offset,
2101 howto->name,
2102 h->root.root.root.string);
252b5132
RH		 2103 }
2104
dbaa2011 2105 if (sec != NULL && discarded_section (sec))
e4067dbb 2106 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2107 rel, 1, relend, howto, 0, contents);
ab96bf03 2108
0e1862bb 2109 if (bfd_link_relocatable (info))
ab96bf03
AM		 2110 continue;
2111
252b5132
RH		 2112 r = mn10300_elf_final_link_relocate (howto, input_bfd, output_bfd,
2113 input_section,
2114 contents, rel->r_offset,
2115 relocation, rel->r_addend,
603b7257 2116 (struct elf_link_hash_entry *) h,
03a12831 2117 r_symndx,
252b5132
RH		 2118 info, sec, h == NULL);
2119
2120 if (r != bfd_reloc_ok)
2121 {
2122 const char *name;
603b7257 2123 const char *msg = NULL;
252b5132
RH		 2124
2125 if (h != NULL)
2126 name = h->root.root.root.string;
2127 else
2128 {
2129 name = (bfd_elf_string_from_elf_section
2130 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2131 if (name == NULL || *name == '\0')
2132 name = bfd_section_name (input_bfd, sec);
2133 }
2134
2135 switch (r)
2136 {
2137 case bfd_reloc_overflow:
1a72702b
AM		 2138 (*info->callbacks->reloc_overflow)
2139 (info, (h ? &h->root.root : NULL), name, howto->name,
2140 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
252b5132
RH		 2141 break;
2142
2143 case bfd_reloc_undefined:
1a72702b
AM		 2144 (*info->callbacks->undefined_symbol)
2145 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
252b5132
RH		 2146 break;
2147
2148 case bfd_reloc_outofrange:
2149 msg = _("internal error: out of range error");
2150 goto common_error;
2151
2152 case bfd_reloc_notsupported:
2153 msg = _("internal error: unsupported relocation error");
2154 goto common_error;
2155
2156 case bfd_reloc_dangerous:
c9b57b7e
DD		 2157 if (r_type == R_MN10300_PCREL32)
2158 msg = _("error: inappropriate relocation type for shared"
2159 " library (did you forget -fpic?)");
0a22ae8e 2160 else if (r_type == R_MN10300_GOT32)
695344c0 2161 /* xgettext:c-format */
0a22ae8e
NC		 2162 msg = _("%B: taking the address of protected function"
2163 " '%s' cannot be done when making a shared library");
c9b57b7e
DD		 2164 else
2165 msg = _("internal error: suspicious relocation type used"
2166 " in shared library");
252b5132
RH		 2167 goto common_error;
2168
2169 default:
2170 msg = _("internal error: unknown error");
603b7257 2171 /* Fall through. */
252b5132
RH		 2172
2173 common_error:
0a22ae8e
NC		 2174 _bfd_error_handler (msg, input_bfd, name);
2175 bfd_set_error (bfd_error_bad_value);
2176 return FALSE;
252b5132
RH		 2177 }
2178 }
2179 }
2180
b34976b6 2181 return TRUE;
252b5132
RH		 2182}
2183
2184/* Finish initializing one hash table entry. */
603b7257 2185
b34976b6 2186static bfd_boolean
603b7257
NC		 2187elf32_mn10300_finish_hash_table_entry (struct bfd_hash_entry *gen_entry,
2188 void * in_args)
252b5132
RH		 2189{
2190 struct elf32_mn10300_link_hash_entry *entry;
603b7257 2191 struct bfd_link_info *link_info = (struct bfd_link_info *) in_args;
252b5132
RH		 2192 unsigned int byte_count = 0;
2193
010ac81f 2194 entry = (struct elf32_mn10300_link_hash_entry *) gen_entry;
252b5132
RH		 2195
2196 /* If we already know we want to convert "call" to "calls" for calls
2197 to this symbol, then return now. */
2198 if (entry->flags == MN10300_CONVERT_CALL_TO_CALLS)
b34976b6 2199 return TRUE;
252b5132
RH		 2200
2201 /* If there are no named calls to this symbol, or there's nothing we
1055df0f
AO		 2202 can move from the function itself into the "call" instruction,
2203 then note that all "call" instructions should be converted into
2204 "calls" instructions and return. If a symbol is available for
2205 dynamic symbol resolution (overridable or overriding), avoid
2206 custom calling conventions. */
252b5132 2207 if (entry->direct_calls == 0
1055df0f
AO		 2208 || (entry->stack_size == 0 && entry->movm_args == 0)
2209 || (elf_hash_table (link_info)->dynamic_sections_created
2210 && ELF_ST_VISIBILITY (entry->root.other) != STV_INTERNAL
2211 && ELF_ST_VISIBILITY (entry->root.other) != STV_HIDDEN))
252b5132
RH		 2212 {
2213 /* Make a note that we should convert "call" instructions to "calls"
2214 instructions for calls to this symbol. */
2215 entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
b34976b6 2216 return TRUE;
252b5132
RH		 2217 }
2218
2219 /* We may be able to move some instructions from the function itself into
2220 the "call" instruction. Count how many bytes we might be able to
2221 eliminate in the function itself. */
2222
2223 /* A movm instruction is two bytes. */
2224 if (entry->movm_args)
2225 byte_count += 2;
2226
2227 /* Count the insn to allocate stack space too. */
1a101a42
AM		 2228 if (entry->stack_size > 0)
2229 {
2230 if (entry->stack_size <= 128)
2231 byte_count += 3;
2232 else
2233 byte_count += 4;
2234 }
252b5132
RH		 2235
2236 /* If using "call" will result in larger code, then turn all
4cc11e76 2237 the associated "call" instructions into "calls" instructions. */
252b5132
RH		 2238 if (byte_count < entry->direct_calls)
2239 entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2240
2241 /* This routine never fails. */
b34976b6 2242 return TRUE;
252b5132
RH		 2243}
2244
eb13e63f 2245/* Used to count hash table entries. */
603b7257 2246
eb13e63f
DD		 2247static bfd_boolean
2248elf32_mn10300_count_hash_table_entries (struct bfd_hash_entry *gen_entry ATTRIBUTE_UNUSED,
603b7257 2249 void * in_args)
eb13e63f 2250{
bfff1642 2251 int *count = (int *) in_args;
eb13e63f
DD		 2252
2253 (*count) ++;
2254 return TRUE;
2255}
2256
2257/* Used to enumerate hash table entries into a linear array. */
603b7257 2258
eb13e63f
DD		 2259static bfd_boolean
2260elf32_mn10300_list_hash_table_entries (struct bfd_hash_entry *gen_entry,
603b7257 2261 void * in_args)
eb13e63f
DD		 2262{
2263 struct bfd_hash_entry ***ptr = (struct bfd_hash_entry ***) in_args;
2264
2265 **ptr = gen_entry;
2266 (*ptr) ++;
2267 return TRUE;
2268}
2269
2270/* Used to sort the array created by the above. */
603b7257 2271
eb13e63f
DD		 2272static int
2273sort_by_value (const void *va, const void *vb)
2274{
2275 struct elf32_mn10300_link_hash_entry *a
bfff1642 2276 = *(struct elf32_mn10300_link_hash_entry **) va;
eb13e63f 2277 struct elf32_mn10300_link_hash_entry *b
bfff1642 2278 = *(struct elf32_mn10300_link_hash_entry **) vb;
eb13e63f
DD		 2279
2280 return a->value - b->value;
2281}
2282
603b7257
NC		 2283/* Compute the stack size and movm arguments for the function
2284 referred to by HASH at address ADDR in section with
2285 contents CONTENTS, store the information in the hash table. */
2286
2287static void
2288compute_function_info (bfd *abfd,
2289 struct elf32_mn10300_link_hash_entry *hash,
2290 bfd_vma addr,
2291 unsigned char *contents)
2292{
2293 unsigned char byte1, byte2;
2294 /* We only care about a very small subset of the possible prologue
2295 sequences here. Basically we look for:
2296
2297 movm [d2,d3,a2,a3],sp (optional)
2298 add <size>,sp (optional, and only for sizes which fit in an unsigned
2299 8 bit number)
2300
2301 If we find anything else, we quit. */
2302
2303 /* Look for movm [regs],sp. */
2304 byte1 = bfd_get_8 (abfd, contents + addr);
2305 byte2 = bfd_get_8 (abfd, contents + addr + 1);
2306
2307 if (byte1 == 0xcf)
2308 {
2309 hash->movm_args = byte2;
2310 addr += 2;
2311 byte1 = bfd_get_8 (abfd, contents + addr);
2312 byte2 = bfd_get_8 (abfd, contents + addr + 1);
2313 }
2314
2315 /* Now figure out how much stack space will be allocated by the movm
2316 instruction. We need this kept separate from the function's normal
2317 stack space. */
2318 if (hash->movm_args)
2319 {
2320 /* Space for d2. */
2321 if (hash->movm_args & 0x80)
2322 hash->movm_stack_size += 4;
2323
2324 /* Space for d3. */
2325 if (hash->movm_args & 0x40)
2326 hash->movm_stack_size += 4;
2327
2328 /* Space for a2. */
2329 if (hash->movm_args & 0x20)
2330 hash->movm_stack_size += 4;
2331
2332 /* Space for a3. */
2333 if (hash->movm_args & 0x10)
2334 hash->movm_stack_size += 4;
2335
2336 /* "other" space. d0, d1, a0, a1, mdr, lir, lar, 4 byte pad. */
2337 if (hash->movm_args & 0x08)
2338 hash->movm_stack_size += 8 * 4;
2339
2340 if (bfd_get_mach (abfd) == bfd_mach_am33
2341 || bfd_get_mach (abfd) == bfd_mach_am33_2)
2342 {
2343 /* "exother" space. e0, e1, mdrq, mcrh, mcrl, mcvf */
2344 if (hash->movm_args & 0x1)
2345 hash->movm_stack_size += 6 * 4;
2346
2347 /* exreg1 space. e4, e5, e6, e7 */
2348 if (hash->movm_args & 0x2)
2349 hash->movm_stack_size += 4 * 4;
2350
2351 /* exreg0 space. e2, e3 */
2352 if (hash->movm_args & 0x4)
2353 hash->movm_stack_size += 2 * 4;
2354 }
2355 }
2356
2357 /* Now look for the two stack adjustment variants. */
2358 if (byte1 == 0xf8 && byte2 == 0xfe)
2359 {
2360 int temp = bfd_get_8 (abfd, contents + addr + 2);
2361 temp = ((temp & 0xff) ^ (~0x7f)) + 0x80;
2362
2363 hash->stack_size = -temp;
2364 }
2365 else if (byte1 == 0xfa && byte2 == 0xfe)
2366 {
2367 int temp = bfd_get_16 (abfd, contents + addr + 2);
2368 temp = ((temp & 0xffff) ^ (~0x7fff)) + 0x8000;
2369 temp = -temp;
2370
2371 if (temp < 255)
2372 hash->stack_size = temp;
2373 }
2374
2375 /* If the total stack to be allocated by the call instruction is more
2376 than 255 bytes, then we can't remove the stack adjustment by using
2377 "call" (we might still be able to remove the "movm" instruction. */
2378 if (hash->stack_size + hash->movm_stack_size > 255)
2379 hash->stack_size = 0;
2380}
2381
2382/* Delete some bytes from a section while relaxing. */
2383
2384static bfd_boolean
2385mn10300_elf_relax_delete_bytes (bfd *abfd,
2386 asection *sec,
2387 bfd_vma addr,
2388 int count)
2389{
2390 Elf_Internal_Shdr *symtab_hdr;
2391 unsigned int sec_shndx;
2392 bfd_byte *contents;
2393 Elf_Internal_Rela *irel, *irelend;
2394 Elf_Internal_Rela *irelalign;
2395 bfd_vma toaddr;
2396 Elf_Internal_Sym *isym, *isymend;
2397 struct elf_link_hash_entry **sym_hashes;
2398 struct elf_link_hash_entry **end_hashes;
2399 unsigned int symcount;
2400
2401 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2402
2403 contents = elf_section_data (sec)->this_hdr.contents;
2404
603b7257
NC		 2405 irelalign = NULL;
2406 toaddr = sec->size;
2407
2408 irel = elf_section_data (sec)->relocs;
2409 irelend = irel + sec->reloc_count;
2410
cf4a529b
NC		 2411 if (sec->reloc_count > 0)
2412 {
2413 /* If there is an align reloc at the end of the section ignore it.
2414 GAS creates these relocs for reasons of its own, and they just
2415 serve to keep the section artifically inflated. */
2416 if (ELF32_R_TYPE ((irelend - 1)->r_info) == (int) R_MN10300_ALIGN)
2417 --irelend;
68ffbac6 2418
cf4a529b 2419 /* The deletion must stop at the next ALIGN reloc for an aligment
b5f5fd96
NC		 2420 power larger than, or not a multiple of, the number of bytes we
2421 are deleting. */
cf4a529b 2422 for (; irel < irelend; irel++)
b5f5fd96
NC		 2423 {
2424 int alignment = 1 << irel->r_addend;
2425
2426 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN
2427 && irel->r_offset > addr
2428 && irel->r_offset < toaddr
2429 && (count < alignment
2430 || alignment % count != 0))
2431 {
2432 irelalign = irel;
2433 toaddr = irel->r_offset;
2434 break;
2435 }
2436 }
cf4a529b 2437 }
569006e5 2438
603b7257
NC		 2439 /* Actually delete the bytes. */
2440 memmove (contents + addr, contents + addr + count,
2441 (size_t) (toaddr - addr - count));
569006e5
NC		 2442
2443 /* Adjust the section's size if we are shrinking it, or else
2444 pad the bytes between the end of the shrunken region and
2445 the start of the next region with NOP codes. */
2446 if (irelalign == NULL)
2447 {
2448 sec->size -= count;
2449 /* Include symbols at the end of the section, but
2450 not at the end of a sub-region of the section. */
2451 toaddr ++;
2452 }
2453 else
2454 {
2455 int i;
2456
2457#define NOP_OPCODE 0xcb
2458
2459 for (i = 0; i < count; i ++)
2460 bfd_put_8 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
2461 }
603b7257
NC		 2462
2463 /* Adjust all the relocs. */
2464 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
2465 {
2466 /* Get the new reloc address. */
2467 if ((irel->r_offset > addr
b5f5fd96
NC		 2468 && irel->r_offset < toaddr)
2469 || (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN
2470 && irel->r_offset == toaddr))
603b7257
NC		 2471 irel->r_offset -= count;
2472 }
2473
b5f5fd96
NC		 2474 /* Adjust the local symbols in the section, reducing their value
2475 by the number of bytes deleted. Note - symbols within the deleted
2476 region are moved to the address of the start of the region, which
2477 actually means that they will address the byte beyond the end of
2478 the region once the deletion has been completed. */
603b7257
NC		 2479 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2480 isym = (Elf_Internal_Sym *) symtab_hdr->contents;
2481 for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
2482 {
2483 if (isym->st_shndx == sec_shndx
2484 && isym->st_value > addr
569006e5 2485 && isym->st_value < toaddr)
b5f5fd96
NC		 2486 {
2487 if (isym->st_value < addr + count)
2488 isym->st_value = addr;
2489 else
2490 isym->st_value -= count;
2491 }
bfff1642
NC		 2492 /* Adjust the function symbol's size as well. */
2493 else if (isym->st_shndx == sec_shndx
2494 && ELF_ST_TYPE (isym->st_info) == STT_FUNC
2495 && isym->st_value + isym->st_size > addr
569006e5 2496 && isym->st_value + isym->st_size < toaddr)
bfff1642 2497 isym->st_size -= count;
603b7257
NC		 2498 }
2499
2500 /* Now adjust the global symbols defined in this section. */
2501 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2502 - symtab_hdr->sh_info);
2503 sym_hashes = elf_sym_hashes (abfd);
2504 end_hashes = sym_hashes + symcount;
2505 for (; sym_hashes < end_hashes; sym_hashes++)
2506 {
2507 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2508
2509 if ((sym_hash->root.type == bfd_link_hash_defined
2510 || sym_hash->root.type == bfd_link_hash_defweak)
2511 && sym_hash->root.u.def.section == sec
2512 && sym_hash->root.u.def.value > addr
569006e5 2513 && sym_hash->root.u.def.value < toaddr)
b5f5fd96
NC		 2514 {
2515 if (sym_hash->root.u.def.value < addr + count)
2516 sym_hash->root.u.def.value = addr;
2517 else
2518 sym_hash->root.u.def.value -= count;
2519 }
bfff1642
NC		 2520 /* Adjust the function symbol's size as well. */
2521 else if (sym_hash->root.type == bfd_link_hash_defined
2522 && sym_hash->root.u.def.section == sec
2523 && sym_hash->type == STT_FUNC
2524 && sym_hash->root.u.def.value + sym_hash->size > addr
569006e5 2525 && sym_hash->root.u.def.value + sym_hash->size < toaddr)
bfff1642 2526 sym_hash->size -= count;
603b7257
NC		 2527 }
2528
b5f5fd96
NC		 2529 /* See if we can move the ALIGN reloc forward.
2530 We have adjusted r_offset for it already. */
2531 if (irelalign != NULL)
2532 {
2533 bfd_vma alignto, alignaddr;
2534
2535 if ((int) irelalign->r_addend > 0)
2536 {
2537 /* This is the old address. */
2538 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
2539 /* This is where the align points to now. */
2540 alignaddr = BFD_ALIGN (irelalign->r_offset,
2541 1 << irelalign->r_addend);
2542 if (alignaddr < alignto)
2543 /* Tail recursion. */
2544 return mn10300_elf_relax_delete_bytes (abfd, sec, alignaddr,
2545 (int) (alignto - alignaddr));
2546 }
2547 }
2548
603b7257
NC		 2549 return TRUE;
2550}
2551
2552/* Return TRUE if a symbol exists at the given address, else return
2553 FALSE. */
2554
2555static bfd_boolean
2556mn10300_elf_symbol_address_p (bfd *abfd,
2557 asection *sec,
2558 Elf_Internal_Sym *isym,
2559 bfd_vma addr)
2560{
2561 Elf_Internal_Shdr *symtab_hdr;
2562 unsigned int sec_shndx;
2563 Elf_Internal_Sym *isymend;
2564 struct elf_link_hash_entry **sym_hashes;
2565 struct elf_link_hash_entry **end_hashes;
2566 unsigned int symcount;
2567
2568 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2569
2570 /* Examine all the symbols. */
2571 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2572 for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
2573 if (isym->st_shndx == sec_shndx
2574 && isym->st_value == addr)
2575 return TRUE;
2576
2577 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2578 - symtab_hdr->sh_info);
2579 sym_hashes = elf_sym_hashes (abfd);
2580 end_hashes = sym_hashes + symcount;
2581 for (; sym_hashes < end_hashes; sym_hashes++)
2582 {
2583 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2584
2585 if ((sym_hash->root.type == bfd_link_hash_defined
2586 || sym_hash->root.type == bfd_link_hash_defweak)
2587 && sym_hash->root.u.def.section == sec
2588 && sym_hash->root.u.def.value == addr)
2589 return TRUE;
2590 }
2591
2592 return FALSE;
2593}
eb13e63f 2594
252b5132
RH		 2595/* This function handles relaxing for the mn10300.
2596
4cc11e76 2597 There are quite a few relaxing opportunities available on the mn10300:
252b5132
RH		 2598
2599 * calls:32 -> calls:16 2 bytes
2600 * call:32 -> call:16 2 bytes
2601
2602 * call:32 -> calls:32 1 byte
2603 * call:16 -> calls:16 1 byte
2604 * These are done anytime using "calls" would result
2605 in smaller code, or when necessary to preserve the
2606 meaning of the program.
2607
2608 * call:32 varies
2609 * call:16
2610 * In some circumstances we can move instructions
2611 from a function prologue into a "call" instruction.
2612 This is only done if the resulting code is no larger
2613 than the original code.
2614
252b5132
RH		 2615 * jmp:32 -> jmp:16 2 bytes
2616 * jmp:16 -> bra:8 1 byte
2617
2618 * If the previous instruction is a conditional branch
2619 around the jump/bra, we may be able to reverse its condition
2620 and change its target to the jump's target. The jump/bra
2621 can then be deleted. 2 bytes
2622
2623 * mov abs32 -> mov abs16 1 or 2 bytes
2624
2625 * Most instructions which accept imm32 can relax to imm16 1 or 2 bytes
2626 - Most instructions which accept imm16 can relax to imm8 1 or 2 bytes
2627
2628 * Most instructions which accept d32 can relax to d16 1 or 2 bytes
2629 - Most instructions which accept d16 can relax to d8 1 or 2 bytes
2630
2631 We don't handle imm16->imm8 or d16->d8 as they're very rare
2632 and somewhat more difficult to support. */
2633
b34976b6 2634static bfd_boolean
603b7257
NC		 2635mn10300_elf_relax_section (bfd *abfd,
2636 asection *sec,
2637 struct bfd_link_info *link_info,
2638 bfd_boolean *again)
252b5132
RH		 2639{
2640 Elf_Internal_Shdr *symtab_hdr;
2641 Elf_Internal_Rela *internal_relocs = NULL;
252b5132
RH		 2642 Elf_Internal_Rela *irel, *irelend;
2643 bfd_byte *contents = NULL;
6cdc0ccc 2644 Elf_Internal_Sym *isymbuf = NULL;
252b5132 2645 struct elf32_mn10300_link_hash_table *hash_table;
6cdc0ccc 2646 asection *section = sec;
fc91707c 2647 bfd_vma align_gap_adjustment;
252b5132 2648
0e1862bb 2649 if (bfd_link_relocatable (link_info))
c8a1f254
NS		 2650 (*link_info->callbacks->einfo)
2651 (_("%P%F: --relax and -r may not be used together\n"));
2652
252b5132 2653 /* Assume nothing changes. */
b34976b6 2654 *again = FALSE;
252b5132
RH		 2655
2656 /* We need a pointer to the mn10300 specific hash table. */
2657 hash_table = elf32_mn10300_hash_table (link_info);
4dfe6ac6
NC		 2658 if (hash_table == NULL)
2659 return FALSE;
252b5132
RH		 2660
2661 /* Initialize fields in each hash table entry the first time through. */
2662 if ((hash_table->flags & MN10300_HASH_ENTRIES_INITIALIZED) == 0)
2663 {
2664 bfd *input_bfd;
2665
2666 /* Iterate over all the input bfds. */
2667 for (input_bfd = link_info->input_bfds;
2668 input_bfd != NULL;
c72f2fb2 2669 input_bfd = input_bfd->link.next)
252b5132 2670 {
252b5132
RH		 2671 /* We're going to need all the symbols for each bfd. */
2672 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
6cdc0ccc 2673 if (symtab_hdr->sh_info != 0)
9ad5cbcf 2674 {
6cdc0ccc
AM		 2675 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2676 if (isymbuf == NULL)
2677 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
2678 symtab_hdr->sh_info, 0,
2679 NULL, NULL, NULL);
2680 if (isymbuf == NULL)
010ac81f
KH		 2681 goto error_return;
2682 }
252b5132
RH		 2683
2684 /* Iterate over each section in this bfd. */
2685 for (section = input_bfd->sections;
2686 section != NULL;
2687 section = section->next)
2688 {
2689 struct elf32_mn10300_link_hash_entry *hash;
86033394 2690 asection *sym_sec = NULL;
252b5132
RH		 2691 const char *sym_name;
2692 char *new_name;
252b5132 2693
e948afaf 2694 /* If there's nothing to do in this section, skip it. */
eb13e63f
DD		 2695 if (! ((section->flags & SEC_RELOC) != 0
2696 && section->reloc_count != 0))
2697 continue;
2698 if ((section->flags & SEC_ALLOC) == 0)
e948afaf
AO		 2699 continue;
2700
252b5132
RH		 2701 /* Get cached copy of section contents if it exists. */
2702 if (elf_section_data (section)->this_hdr.contents != NULL)
2703 contents = elf_section_data (section)->this_hdr.contents;
eea6121a 2704 else if (section->size != 0)
252b5132
RH		 2705 {
2706 /* Go get them off disk. */
eea6121a
AM		 2707 if (!bfd_malloc_and_get_section (input_bfd, section,
2708 &contents))
252b5132
RH		 2709 goto error_return;
2710 }
2711 else
6cdc0ccc 2712 contents = NULL;
252b5132
RH		 2713
2714 /* If there aren't any relocs, then there's nothing to do. */
2715 if ((section->flags & SEC_RELOC) != 0
2716 && section->reloc_count != 0)
2717 {
252b5132 2718 /* Get a copy of the native relocations. */
603b7257
NC		 2719 internal_relocs = _bfd_elf_link_read_relocs (input_bfd, section,
2720 NULL, NULL,
2721 link_info->keep_memory);
252b5132
RH		 2722 if (internal_relocs == NULL)
2723 goto error_return;
252b5132
RH		 2724
2725 /* Now examine each relocation. */
2726 irel = internal_relocs;
2727 irelend = irel + section->reloc_count;
2728 for (; irel < irelend; irel++)
2729 {
2730 long r_type;
2731 unsigned long r_index;
2732 unsigned char code;
2733
2734 r_type = ELF32_R_TYPE (irel->r_info);
2735 r_index = ELF32_R_SYM (irel->r_info);
2736
010ac81f 2737 if (r_type < 0 || r_type >= (int) R_MN10300_MAX)
252b5132
RH		 2738 goto error_return;
2739
2740 /* We need the name and hash table entry of the target
2741 symbol! */
2742 hash = NULL;
252b5132
RH		 2743 sym_sec = NULL;
2744
2745 if (r_index < symtab_hdr->sh_info)
2746 {
2747 /* A local symbol. */
6cdc0ccc 2748 Elf_Internal_Sym *isym;
dc810e39
AM		 2749 struct elf_link_hash_table *elftab;
2750 bfd_size_type amt;
252b5132 2751
6cdc0ccc
AM		 2752 isym = isymbuf + r_index;
2753 if (isym->st_shndx == SHN_UNDEF)
252b5132 2754 sym_sec = bfd_und_section_ptr;
6cdc0ccc 2755 else if (isym->st_shndx == SHN_ABS)
252b5132 2756 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 2757 else if (isym->st_shndx == SHN_COMMON)
252b5132 2758 sym_sec = bfd_com_section_ptr;
9ad5cbcf
AM		 2759 else
2760 sym_sec
2761 = bfd_section_from_elf_index (input_bfd,
6cdc0ccc 2762 isym->st_shndx);
a7c10850 2763
9ad5cbcf
AM		 2764 sym_name
2765 = bfd_elf_string_from_elf_section (input_bfd,
2766 (symtab_hdr
2767 ->sh_link),
6cdc0ccc 2768 isym->st_name);
252b5132
RH		 2769
2770 /* If it isn't a function, then we don't care
2771 about it. */
6cdc0ccc 2772 if (ELF_ST_TYPE (isym->st_info) != STT_FUNC)
252b5132
RH		 2773 continue;
2774
2775 /* Tack on an ID so we can uniquely identify this
2776 local symbol in the global hash table. */
dc810e39
AM		 2777 amt = strlen (sym_name) + 10;
2778 new_name = bfd_malloc (amt);
bfff1642 2779 if (new_name == NULL)
252b5132
RH		 2780 goto error_return;
2781
f60ca5e3 2782 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 2783 sym_name = new_name;
2784
dc810e39
AM		 2785 elftab = &hash_table->static_hash_table->root;
2786 hash = ((struct elf32_mn10300_link_hash_entry *)
2787 elf_link_hash_lookup (elftab, sym_name,
b34976b6 2788 TRUE, TRUE, FALSE));
252b5132
RH		 2789 free (new_name);
2790 }
2791 else
2792 {
2793 r_index -= symtab_hdr->sh_info;
2794 hash = (struct elf32_mn10300_link_hash_entry *)
2795 elf_sym_hashes (input_bfd)[r_index];
2796 }
2797
eb13e63f
DD		 2798 sym_name = hash->root.root.root.string;
2799 if ((section->flags & SEC_CODE) != 0)
2800 {
2801 /* If this is not a "call" instruction, then we
2802 should convert "call" instructions to "calls"
2803 instructions. */
2804 code = bfd_get_8 (input_bfd,
2805 contents + irel->r_offset - 1);
2806 if (code != 0xdd && code != 0xcd)
2807 hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2808 }
252b5132 2809
6cdc0ccc
AM		 2810 /* If this is a jump/call, then bump the
2811 direct_calls counter. Else force "call" to
2812 "calls" conversions. */
252b5132 2813 if (r_type == R_MN10300_PCREL32
03a12831
AO		 2814 || r_type == R_MN10300_PLT32
2815 || r_type == R_MN10300_PLT16
252b5132
RH		 2816 || r_type == R_MN10300_PCREL16)
2817 hash->direct_calls++;
2818 else
2819 hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2820 }
2821 }
2822
2823 /* Now look at the actual contents to get the stack size,
2824 and a list of what registers were saved in the prologue
2825 (ie movm_args). */
2826 if ((section->flags & SEC_CODE) != 0)
2827 {
6cdc0ccc 2828 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 2829 unsigned int sec_shndx;
6cdc0ccc
AM		 2830 struct elf_link_hash_entry **hashes;
2831 struct elf_link_hash_entry **end_hashes;
2832 unsigned int symcount;
252b5132 2833
9ad5cbcf
AM		 2834 sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
2835 section);
252b5132 2836
1055df0f
AO		 2837 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2838 - symtab_hdr->sh_info);
2839 hashes = elf_sym_hashes (input_bfd);
2840 end_hashes = hashes + symcount;
2841
252b5132
RH		 2842 /* Look at each function defined in this section and
2843 update info for that function. */
6cdc0ccc
AM		 2844 isymend = isymbuf + symtab_hdr->sh_info;
2845 for (isym = isymbuf; isym < isymend; isym++)
252b5132 2846 {
6cdc0ccc
AM		 2847 if (isym->st_shndx == sec_shndx
2848 && ELF_ST_TYPE (isym->st_info) == STT_FUNC)
252b5132 2849 {
dc810e39
AM		 2850 struct elf_link_hash_table *elftab;
2851 bfd_size_type amt;
1055df0f
AO		 2852 struct elf_link_hash_entry **lhashes = hashes;
2853
2854 /* Skip a local symbol if it aliases a
2855 global one. */
2856 for (; lhashes < end_hashes; lhashes++)
2857 {
2858 hash = (struct elf32_mn10300_link_hash_entry *) *lhashes;
2859 if ((hash->root.root.type == bfd_link_hash_defined
2860 || hash->root.root.type == bfd_link_hash_defweak)
2861 && hash->root.root.u.def.section == section
2862 && hash->root.type == STT_FUNC
2863 && hash->root.root.u.def.value == isym->st_value)
2864 break;
2865 }
2866 if (lhashes != end_hashes)
2867 continue;
dc810e39 2868
6cdc0ccc 2869 if (isym->st_shndx == SHN_UNDEF)
252b5132 2870 sym_sec = bfd_und_section_ptr;
6cdc0ccc 2871 else if (isym->st_shndx == SHN_ABS)
252b5132 2872 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 2873 else if (isym->st_shndx == SHN_COMMON)
252b5132 2874 sym_sec = bfd_com_section_ptr;
9ad5cbcf
AM		 2875 else
2876 sym_sec
2877 = bfd_section_from_elf_index (input_bfd,
6cdc0ccc 2878 isym->st_shndx);
252b5132 2879
dc810e39
AM		 2880 sym_name = (bfd_elf_string_from_elf_section
2881 (input_bfd, symtab_hdr->sh_link,
6cdc0ccc 2882 isym->st_name));
252b5132
RH		 2883
2884 /* Tack on an ID so we can uniquely identify this
2885 local symbol in the global hash table. */
dc810e39
AM		 2886 amt = strlen (sym_name) + 10;
2887 new_name = bfd_malloc (amt);
bfff1642 2888 if (new_name == NULL)
252b5132
RH		 2889 goto error_return;
2890
f60ca5e3 2891 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 2892 sym_name = new_name;
2893
dc810e39
AM		 2894 elftab = &hash_table->static_hash_table->root;
2895 hash = ((struct elf32_mn10300_link_hash_entry *)
2896 elf_link_hash_lookup (elftab, sym_name,
b34976b6 2897 TRUE, TRUE, FALSE));
252b5132
RH		 2898 free (new_name);
2899 compute_function_info (input_bfd, hash,
6cdc0ccc 2900 isym->st_value, contents);
eb13e63f 2901 hash->value = isym->st_value;
252b5132
RH		 2902 }
2903 }
2904
6cdc0ccc 2905 for (; hashes < end_hashes; hashes++)
252b5132 2906 {
6cdc0ccc 2907 hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
9ad5cbcf
AM		 2908 if ((hash->root.root.type == bfd_link_hash_defined
2909 || hash->root.root.type == bfd_link_hash_defweak)
2910 && hash->root.root.u.def.section == section
9bb351fd 2911 && hash->root.type == STT_FUNC)
252b5132
RH		 2912 compute_function_info (input_bfd, hash,
2913 (hash)->root.root.u.def.value,
2914 contents);
2915 }
2916 }
2917
2918 /* Cache or free any memory we allocated for the relocs. */
6cdc0ccc
AM		 2919 if (internal_relocs != NULL
2920 && elf_section_data (section)->relocs != internal_relocs)
2921 free (internal_relocs);
2922 internal_relocs = NULL;
252b5132
RH		 2923
2924 /* Cache or free any memory we allocated for the contents. */
6cdc0ccc
AM		 2925 if (contents != NULL
2926 && elf_section_data (section)->this_hdr.contents != contents)
252b5132
RH		 2927 {
2928 if (! link_info->keep_memory)
6cdc0ccc 2929 free (contents);
252b5132
RH		 2930 else
2931 {
2932 /* Cache the section contents for elf_link_input_bfd. */
2933 elf_section_data (section)->this_hdr.contents = contents;
2934 }
252b5132 2935 }
6cdc0ccc 2936 contents = NULL;
9ad5cbcf
AM		 2937 }
2938
252b5132 2939 /* Cache or free any memory we allocated for the symbols. */
6cdc0ccc
AM		 2940 if (isymbuf != NULL
2941 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH		 2942 {
2943 if (! link_info->keep_memory)
6cdc0ccc 2944 free (isymbuf);
252b5132
RH		 2945 else
2946 {
2947 /* Cache the symbols for elf_link_input_bfd. */
6cdc0ccc 2948 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 2949 }
252b5132 2950 }
6cdc0ccc 2951 isymbuf = NULL;
252b5132
RH		 2952 }
2953
2954 /* Now iterate on each symbol in the hash table and perform
2955 the final initialization steps on each. */
2956 elf32_mn10300_link_hash_traverse (hash_table,
2957 elf32_mn10300_finish_hash_table_entry,
1055df0f 2958 link_info);
252b5132
RH		 2959 elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2960 elf32_mn10300_finish_hash_table_entry,
1055df0f 2961 link_info);
252b5132 2962
eb13e63f
DD		 2963 {
2964 /* This section of code collects all our local symbols, sorts
2965 them by value, and looks for multiple symbols referring to
2966 the same address. For those symbols, the flags are merged.
2967 At this point, the only flag that can be set is
2968 MN10300_CONVERT_CALL_TO_CALLS, so we simply OR the flags
2969 together. */
2970 int static_count = 0, i;
2971 struct elf32_mn10300_link_hash_entry **entries;
2972 struct elf32_mn10300_link_hash_entry **ptr;
2973
2974 elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2975 elf32_mn10300_count_hash_table_entries,
2976 &static_count);
2977
603b7257 2978 entries = bfd_malloc (static_count * sizeof (* ptr));
eb13e63f
DD		 2979
2980 ptr = entries;
2981 elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2982 elf32_mn10300_list_hash_table_entries,
603b7257 2983 & ptr);
eb13e63f 2984
603b7257 2985 qsort (entries, static_count, sizeof (entries[0]), sort_by_value);
eb13e63f 2986
603b7257 2987 for (i = 0; i < static_count - 1; i++)
eb13e63f
DD		 2988 if (entries[i]->value && entries[i]->value == entries[i+1]->value)
2989 {
2990 int v = entries[i]->flags;
2991 int j;
603b7257
NC		 2992
2993 for (j = i + 1; j < static_count && entries[j]->value == entries[i]->value; j++)
eb13e63f 2994 v |= entries[j]->flags;
603b7257
NC		 2995
2996 for (j = i; j < static_count && entries[j]->value == entries[i]->value; j++)
eb13e63f 2997 entries[j]->flags = v;
603b7257
NC		 2998
2999 i = j - 1;
eb13e63f
DD		 3000 }
3001 }
3002
252b5132
RH		 3003 /* All entries in the hash table are fully initialized. */
3004 hash_table->flags |= MN10300_HASH_ENTRIES_INITIALIZED;
3005
3006 /* Now that everything has been initialized, go through each
3007 code section and delete any prologue insns which will be
3008 redundant because their operations will be performed by
3009 a "call" instruction. */
3010 for (input_bfd = link_info->input_bfds;
3011 input_bfd != NULL;
c72f2fb2 3012 input_bfd = input_bfd->link.next)
252b5132 3013 {
9ad5cbcf 3014 /* We're going to need all the local symbols for each bfd. */
252b5132 3015 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
6cdc0ccc 3016 if (symtab_hdr->sh_info != 0)
9ad5cbcf 3017 {
6cdc0ccc
AM		 3018 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3019 if (isymbuf == NULL)
3020 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
3021 symtab_hdr->sh_info, 0,
3022 NULL, NULL, NULL);
3023 if (isymbuf == NULL)
9ad5cbcf 3024 goto error_return;
010ac81f 3025 }
252b5132
RH		 3026
3027 /* Walk over each section in this bfd. */
3028 for (section = input_bfd->sections;
3029 section != NULL;
3030 section = section->next)
3031 {
9ad5cbcf 3032 unsigned int sec_shndx;
6cdc0ccc
AM		 3033 Elf_Internal_Sym *isym, *isymend;
3034 struct elf_link_hash_entry **hashes;
3035 struct elf_link_hash_entry **end_hashes;
3036 unsigned int symcount;
252b5132
RH		 3037
3038 /* Skip non-code sections and empty sections. */
eea6121a 3039 if ((section->flags & SEC_CODE) == 0 || section->size == 0)
252b5132
RH		 3040 continue;
3041
3042 if (section->reloc_count != 0)
3043 {
010ac81f 3044 /* Get a copy of the native relocations. */
603b7257
NC		 3045 internal_relocs = _bfd_elf_link_read_relocs (input_bfd, section,
3046 NULL, NULL,
3047 link_info->keep_memory);
010ac81f
KH		 3048 if (internal_relocs == NULL)
3049 goto error_return;
252b5132
RH		 3050 }
3051
3052 /* Get cached copy of section contents if it exists. */
3053 if (elf_section_data (section)->this_hdr.contents != NULL)
3054 contents = elf_section_data (section)->this_hdr.contents;
3055 else
3056 {
3057 /* Go get them off disk. */
eea6121a
AM		 3058 if (!bfd_malloc_and_get_section (input_bfd, section,
3059 &contents))
252b5132
RH		 3060 goto error_return;
3061 }
3062
9ad5cbcf
AM		 3063 sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
3064 section);
252b5132
RH		 3065
3066 /* Now look for any function in this section which needs
3067 insns deleted from its prologue. */
6cdc0ccc
AM		 3068 isymend = isymbuf + symtab_hdr->sh_info;
3069 for (isym = isymbuf; isym < isymend; isym++)
252b5132 3070 {
252b5132 3071 struct elf32_mn10300_link_hash_entry *sym_hash;
86033394 3072 asection *sym_sec = NULL;
252b5132 3073 const char *sym_name;
252b5132 3074 char *new_name;
dc810e39
AM		 3075 struct elf_link_hash_table *elftab;
3076 bfd_size_type amt;
252b5132 3077
6cdc0ccc 3078 if (isym->st_shndx != sec_shndx)
252b5132
RH		 3079 continue;
3080
6cdc0ccc 3081 if (isym->st_shndx == SHN_UNDEF)
252b5132 3082 sym_sec = bfd_und_section_ptr;
6cdc0ccc 3083 else if (isym->st_shndx == SHN_ABS)
252b5132 3084 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 3085 else if (isym->st_shndx == SHN_COMMON)
252b5132 3086 sym_sec = bfd_com_section_ptr;
86033394 3087 else
9ad5cbcf 3088 sym_sec
6cdc0ccc 3089 = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
a7c10850 3090
9ad5cbcf
AM		 3091 sym_name
3092 = bfd_elf_string_from_elf_section (input_bfd,
3093 symtab_hdr->sh_link,
6cdc0ccc 3094 isym->st_name);
252b5132
RH		 3095
3096 /* Tack on an ID so we can uniquely identify this
3097 local symbol in the global hash table. */
dc810e39
AM		 3098 amt = strlen (sym_name) + 10;
3099 new_name = bfd_malloc (amt);
bfff1642 3100 if (new_name == NULL)
252b5132 3101 goto error_return;
f60ca5e3 3102 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 3103 sym_name = new_name;
3104
603b7257
NC		 3105 elftab = & hash_table->static_hash_table->root;
3106 sym_hash = (struct elf32_mn10300_link_hash_entry *)
3107 elf_link_hash_lookup (elftab, sym_name,
3108 FALSE, FALSE, FALSE);
252b5132
RH		 3109
3110 free (new_name);
3111 if (sym_hash == NULL)
3112 continue;
3113
9ad5cbcf
AM		 3114 if (! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
3115 && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
252b5132
RH		 3116 {
3117 int bytes = 0;
3118
3119 /* Note that we've changed things. */
3120 elf_section_data (section)->relocs = internal_relocs;
252b5132 3121 elf_section_data (section)->this_hdr.contents = contents;
6cdc0ccc 3122 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3123
3124 /* Count how many bytes we're going to delete. */
3125 if (sym_hash->movm_args)
3126 bytes += 2;
3127
1a101a42
AM		 3128 if (sym_hash->stack_size > 0)
3129 {
3130 if (sym_hash->stack_size <= 128)
3131 bytes += 3;
3132 else
3133 bytes += 4;
3134 }
252b5132
RH		 3135
3136 /* Note that we've deleted prologue bytes for this
3137 function. */
3138 sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3139
3140 /* Actually delete the bytes. */
3141 if (!mn10300_elf_relax_delete_bytes (input_bfd,
3142 section,
6cdc0ccc 3143 isym->st_value,
252b5132
RH		 3144 bytes))
3145 goto error_return;
3146
3147 /* Something changed. Not strictly necessary, but
3148 may lead to more relaxing opportunities. */
b34976b6 3149 *again = TRUE;
252b5132
RH		 3150 }
3151 }
3152
3153 /* Look for any global functions in this section which
3154 need insns deleted from their prologues. */
6cdc0ccc 3155 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
9ad5cbcf 3156 - symtab_hdr->sh_info);
709e685d 3157 hashes = elf_sym_hashes (input_bfd);
6cdc0ccc
AM		 3158 end_hashes = hashes + symcount;
3159 for (; hashes < end_hashes; hashes++)
252b5132 3160 {
252b5132
RH		 3161 struct elf32_mn10300_link_hash_entry *sym_hash;
3162
6cdc0ccc 3163 sym_hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
9ad5cbcf
AM		 3164 if ((sym_hash->root.root.type == bfd_link_hash_defined
3165 || sym_hash->root.root.type == bfd_link_hash_defweak)
3166 && sym_hash->root.root.u.def.section == section
3167 && ! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
3168 && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
252b5132
RH		 3169 {
3170 int bytes = 0;
9ad5cbcf 3171 bfd_vma symval;
0a22ae8e 3172 struct elf_link_hash_entry **hh;
252b5132
RH		 3173
3174 /* Note that we've changed things. */
3175 elf_section_data (section)->relocs = internal_relocs;
252b5132 3176 elf_section_data (section)->this_hdr.contents = contents;
6cdc0ccc 3177 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3178
3179 /* Count how many bytes we're going to delete. */
3180 if (sym_hash->movm_args)
3181 bytes += 2;
3182
1a101a42
AM		 3183 if (sym_hash->stack_size > 0)
3184 {
3185 if (sym_hash->stack_size <= 128)
3186 bytes += 3;
3187 else
3188 bytes += 4;
3189 }
252b5132
RH		 3190
3191 /* Note that we've deleted prologue bytes for this
3192 function. */
3193 sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3194
3195 /* Actually delete the bytes. */
9ad5cbcf 3196 symval = sym_hash->root.root.u.def.value;
252b5132
RH		 3197 if (!mn10300_elf_relax_delete_bytes (input_bfd,
3198 section,
9ad5cbcf 3199 symval,
252b5132
RH		 3200 bytes))
3201 goto error_return;
3202
0a22ae8e
NC		 3203 /* There may be other C++ functions symbols with the same
3204 address. If so then mark these as having had their
3205 prologue bytes deleted as well. */
3206 for (hh = elf_sym_hashes (input_bfd); hh < end_hashes; hh++)
3207 {
3208 struct elf32_mn10300_link_hash_entry *h;
3209
3210 h = (struct elf32_mn10300_link_hash_entry *) * hh;
3211
3212 if (h != sym_hash
3213 && (h->root.root.type == bfd_link_hash_defined
3214 || h->root.root.type == bfd_link_hash_defweak)
3215 && h->root.root.u.def.section == section
3216 && ! (h->flags & MN10300_CONVERT_CALL_TO_CALLS)
3217 && h->root.root.u.def.value == symval
3218 && h->root.type == STT_FUNC)
3219 h->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3220 }
3221
252b5132
RH		 3222 /* Something changed. Not strictly necessary, but
3223 may lead to more relaxing opportunities. */
b34976b6 3224 *again = TRUE;
252b5132
RH		 3225 }
3226 }
3227
3228 /* Cache or free any memory we allocated for the relocs. */
6cdc0ccc
AM		 3229 if (internal_relocs != NULL
3230 && elf_section_data (section)->relocs != internal_relocs)
3231 free (internal_relocs);
3232 internal_relocs = NULL;
252b5132
RH		 3233
3234 /* Cache or free any memory we allocated for the contents. */
6cdc0ccc
AM		 3235 if (contents != NULL
3236 && elf_section_data (section)->this_hdr.contents != contents)
252b5132
RH		 3237 {
3238 if (! link_info->keep_memory)
6cdc0ccc 3239 free (contents);
252b5132 3240 else
603b7257
NC		 3241 /* Cache the section contents for elf_link_input_bfd. */
3242 elf_section_data (section)->this_hdr.contents = contents;
252b5132 3243 }
6cdc0ccc 3244 contents = NULL;
9ad5cbcf
AM		 3245 }
3246
252b5132 3247 /* Cache or free any memory we allocated for the symbols. */
6cdc0ccc
AM		 3248 if (isymbuf != NULL
3249 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH		 3250 {
3251 if (! link_info->keep_memory)
6cdc0ccc
AM		 3252 free (isymbuf);
3253 else
603b7257
NC		 3254 /* Cache the symbols for elf_link_input_bfd. */
3255 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 3256 }
6cdc0ccc 3257 isymbuf = NULL;
252b5132
RH		 3258 }
3259 }
3260
252b5132
RH		 3261 /* (Re)initialize for the basic instruction shortening/relaxing pass. */
3262 contents = NULL;
252b5132 3263 internal_relocs = NULL;
6cdc0ccc
AM		 3264 isymbuf = NULL;
3265 /* For error_return. */
3266 section = sec;
252b5132 3267
1049f94e 3268 /* We don't have to do anything for a relocatable link, if
252b5132
RH		 3269 this section does not have relocs, or if this is not a
3270 code section. */
0e1862bb 3271 if (bfd_link_relocatable (link_info)
252b5132
RH		 3272 || (sec->flags & SEC_RELOC) == 0
3273 || sec->reloc_count == 0
3274 || (sec->flags & SEC_CODE) == 0)
b34976b6 3275 return TRUE;
252b5132 3276
252b5132
RH		 3277 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3278
3279 /* Get a copy of the native relocations. */
603b7257
NC		 3280 internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL,
3281 link_info->keep_memory);
252b5132
RH		 3282 if (internal_relocs == NULL)
3283 goto error_return;
252b5132 3284
fc91707c
NC		 3285 /* Scan for worst case alignment gap changes. Note that this logic
3286 is not ideal; what we should do is run this scan for every
3287 opcode/address range and adjust accordingly, but that's
3288 expensive. Worst case is that for an alignment of N bytes, we
3289 move by 2*N-N-1 bytes, assuming we have aligns of 1, 2, 4, 8, etc
3290 all before it. Plus, this still doesn't cover cross-section
3291 jumps with section alignment. */
3292 irelend = internal_relocs + sec->reloc_count;
3293 align_gap_adjustment = 0;
3294 for (irel = internal_relocs; irel < irelend; irel++)
3295 {
3296 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN)
3297 {
3298 bfd_vma adj = 1 << irel->r_addend;
3299 bfd_vma aend = irel->r_offset;
3300
3301 aend = BFD_ALIGN (aend, 1 << irel->r_addend);
e23f1610 3302 adj = 2 * adj - adj - 1;
fc91707c
NC		 3303
3304 /* Record the biggest adjustmnet. Skip any alignment at the
3305 end of our section. */
3306 if (align_gap_adjustment < adj
3307 && aend < sec->output_section->vma + sec->output_offset + sec->size)
3308 align_gap_adjustment = adj;
3309 }
3310 }
3311
252b5132
RH		 3312 /* Walk through them looking for relaxing opportunities. */
3313 irelend = internal_relocs + sec->reloc_count;
3314 for (irel = internal_relocs; irel < irelend; irel++)
3315 {
3316 bfd_vma symval;
605d18d4
DD		 3317 bfd_signed_vma jump_offset;
3318 asection *sym_sec = NULL;
252b5132
RH		 3319 struct elf32_mn10300_link_hash_entry *h = NULL;
3320
3321 /* If this isn't something that can be relaxed, then ignore
3322 this reloc. */
3323 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_NONE
3324 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_8
3325 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_MAX)
3326 continue;
3327
3328 /* Get the section contents if we haven't done so already. */
3329 if (contents == NULL)
3330 {
3331 /* Get cached copy if it exists. */
3332 if (elf_section_data (sec)->this_hdr.contents != NULL)
3333 contents = elf_section_data (sec)->this_hdr.contents;
3334 else
3335 {
3336 /* Go get them off disk. */
eea6121a 3337 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH		 3338 goto error_return;
3339 }
3340 }
3341
b34976b6 3342 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 3343 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 3344 {
6cdc0ccc
AM		 3345 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3346 if (isymbuf == NULL)
3347 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
3348 symtab_hdr->sh_info, 0,
3349 NULL, NULL, NULL);
3350 if (isymbuf == NULL)
3351 goto error_return;
252b5132
RH		 3352 }
3353
3354 /* Get the value of the symbol referred to by the reloc. */
3355 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
3356 {
6cdc0ccc 3357 Elf_Internal_Sym *isym;
252b5132
RH		 3358 const char *sym_name;
3359 char *new_name;
3360
3361 /* A local symbol. */
6cdc0ccc
AM		 3362 isym = isymbuf + ELF32_R_SYM (irel->r_info);
3363 if (isym->st_shndx == SHN_UNDEF)
252b5132 3364 sym_sec = bfd_und_section_ptr;
6cdc0ccc 3365 else if (isym->st_shndx == SHN_ABS)
252b5132 3366 sym_sec = bfd_abs_section_ptr;
6cdc0ccc 3367 else if (isym->st_shndx == SHN_COMMON)
252b5132 3368 sym_sec = bfd_com_section_ptr;
86033394 3369 else
6cdc0ccc 3370 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
a7c10850 3371
252b5132
RH		 3372 sym_name = bfd_elf_string_from_elf_section (abfd,
3373 symtab_hdr->sh_link,
6cdc0ccc 3374 isym->st_name);
252b5132 3375
dd90f1b2 3376 if ((sym_sec->flags & SEC_MERGE)
dbaa2011 3377 && sym_sec->sec_info_type == SEC_INFO_TYPE_MERGE)
dd90f1b2 3378 {
2709f570
NC		 3379 symval = isym->st_value;
3380
3381 /* GAS may reduce relocations against symbols in SEC_MERGE
3382 sections to a relocation against the section symbol when
3383 the original addend was zero. When the reloc is against
3384 a section symbol we should include the addend in the
3385 offset passed to _bfd_merged_section_offset, since the
3386 location of interest is the original symbol. On the
3387 other hand, an access to "sym+addend" where "sym" is not
3388 a section symbol should not include the addend; Such an
3389 access is presumed to be an offset from "sym"; The
3390 location of interest is just "sym". */
3391 if (ELF_ST_TYPE (isym->st_info) == STT_SECTION)
3392 symval += irel->r_addend;
3393
281153f3
NC		 3394 symval = _bfd_merged_section_offset (abfd, & sym_sec,
3395 elf_section_data (sym_sec)->sec_info,
3396 symval);
2709f570
NC		 3397
3398 if (ELF_ST_TYPE (isym->st_info) != STT_SECTION)
3399 symval += irel->r_addend;
3400
3401 symval += sym_sec->output_section->vma
3402 + sym_sec->output_offset - irel->r_addend;
dd90f1b2
DD		 3403 }
3404 else
bfff1642
NC		 3405 symval = (isym->st_value
3406 + sym_sec->output_section->vma
3407 + sym_sec->output_offset);
603b7257 3408
252b5132
RH		 3409 /* Tack on an ID so we can uniquely identify this
3410 local symbol in the global hash table. */
dc810e39 3411 new_name = bfd_malloc ((bfd_size_type) strlen (sym_name) + 10);
bfff1642 3412 if (new_name == NULL)
252b5132 3413 goto error_return;
f60ca5e3 3414 sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
252b5132
RH		 3415 sym_name = new_name;
3416
3417 h = (struct elf32_mn10300_link_hash_entry *)
3418 elf_link_hash_lookup (&hash_table->static_hash_table->root,
b34976b6 3419 sym_name, FALSE, FALSE, FALSE);
252b5132
RH		 3420 free (new_name);
3421 }
3422 else
3423 {
3424 unsigned long indx;
3425
3426 /* An external symbol. */
3427 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3428 h = (struct elf32_mn10300_link_hash_entry *)
3429 (elf_sym_hashes (abfd)[indx]);
3430 BFD_ASSERT (h != NULL);
3431 if (h->root.root.type != bfd_link_hash_defined
3432 && h->root.root.type != bfd_link_hash_defweak)
603b7257
NC		 3433 /* This appears to be a reference to an undefined
3434 symbol. Just ignore it--it will be caught by the
3435 regular reloc processing. */
3436 continue;
252b5132 3437
bfff1642
NC		 3438 /* Check for a reference to a discarded symbol and ignore it. */
3439 if (h->root.root.u.def.section->output_section == NULL)
3440 continue;
3441
605d18d4
DD		 3442 sym_sec = h->root.root.u.def.section->output_section;
3443
252b5132
RH		 3444 symval = (h->root.root.u.def.value
3445 + h->root.root.u.def.section->output_section->vma
3446 + h->root.root.u.def.section->output_offset);
3447 }
3448
3449 /* For simplicity of coding, we are going to modify the section
3450 contents, the section relocs, and the BFD symbol table. We
3451 must tell the rest of the code not to free up this
3452 information. It would be possible to instead create a table
3453 of changes which have to be made, as is done in coff-mips.c;
3454 that would be more work, but would require less memory when
3455 the linker is run. */
3456
3457 /* Try to turn a 32bit pc-relative branch/call into a 16bit pc-relative
3458 branch/call, also deal with "call" -> "calls" conversions and
3459 insertion of prologue data into "call" instructions. */
03a12831
AO		 3460 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL32
3461 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32)
252b5132
RH		 3462 {
3463 bfd_vma value = symval;
3464
03a12831
AO		 3465 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32
3466 && h != NULL
3467 && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
3468 && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
3469 && h->root.plt.offset != (bfd_vma) -1)
3470 {
3471 asection * splt;
3472
3d4d4302 3473 splt = hash_table->root.splt;
03a12831
AO		 3474 value = ((splt->output_section->vma
3475 + splt->output_offset
3476 + h->root.plt.offset)
3477 - (sec->output_section->vma
3478 + sec->output_offset
3479 + irel->r_offset));
3480 }
3481
252b5132
RH		 3482 /* If we've got a "call" instruction that needs to be turned
3483 into a "calls" instruction, do so now. It saves a byte. */
3484 if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
3485 {
3486 unsigned char code;
3487
3488 /* Get the opcode. */
3489 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3490
3491 /* Make sure we're working with a "call" instruction! */
3492 if (code == 0xdd)
3493 {
3494 /* Note that we've changed the relocs, section contents,
3495 etc. */
3496 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3497 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3498 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3499
3500 /* Fix the opcode. */
3501 bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 1);
3502 bfd_put_8 (abfd, 0xff, contents + irel->r_offset);
3503
3504 /* Fix irel->r_offset and irel->r_addend. */
3505 irel->r_offset += 1;
3506 irel->r_addend += 1;
3507
3508 /* Delete one byte of data. */
3509 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3510 irel->r_offset + 3, 1))
3511 goto error_return;
3512
3513 /* That will change things, so, we should relax again.
3514 Note that this is not required, and it may be slow. */
b34976b6 3515 *again = TRUE;
252b5132
RH		 3516 }
3517 }
3518 else if (h)
3519 {
3520 /* We've got a "call" instruction which needs some data
3521 from target function filled in. */
3522 unsigned char code;
3523
3524 /* Get the opcode. */
3525 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3526
3527 /* Insert data from the target function into the "call"
3528 instruction if needed. */
3529 if (code == 0xdd)
3530 {
3531 bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 4);
3532 bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
3533 contents + irel->r_offset + 5);
3534 }
3535 }
3536
3537 /* Deal with pc-relative gunk. */
3538 value -= (sec->output_section->vma + sec->output_offset);
3539 value -= irel->r_offset;
3540 value += irel->r_addend;
3541
3542 /* See if the value will fit in 16 bits, note the high value is
3543 0x7fff + 2 as the target will be two bytes closer if we are
605d18d4
DD		 3544 able to relax, if it's in the same section. */
3545 if (sec->output_section == sym_sec->output_section)
3546 jump_offset = 0x8001;
3547 else
3548 jump_offset = 0x7fff;
3549
fc91707c
NC		 3550 /* Account for jumps across alignment boundaries using
3551 align_gap_adjustment. */
605d18d4 3552 if ((bfd_signed_vma) value < jump_offset - (bfd_signed_vma) align_gap_adjustment
fc91707c 3553 && ((bfd_signed_vma) value > -0x8000 + (bfd_signed_vma) align_gap_adjustment))
252b5132
RH		 3554 {
3555 unsigned char code;
3556
3557 /* Get the opcode. */
3558 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3559
3560 if (code != 0xdc && code != 0xdd && code != 0xff)
3561 continue;
3562
3563 /* Note that we've changed the relocs, section contents, etc. */
3564 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3565 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3566 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3567
3568 /* Fix the opcode. */
3569 if (code == 0xdc)
3570 bfd_put_8 (abfd, 0xcc, contents + irel->r_offset - 1);
3571 else if (code == 0xdd)
3572 bfd_put_8 (abfd, 0xcd, contents + irel->r_offset - 1);
3573 else if (code == 0xff)
3574 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
3575
3576 /* Fix the relocation's type. */
3577 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 3578 (ELF32_R_TYPE (irel->r_info)
3579 == (int) R_MN10300_PLT32)
3580 ? R_MN10300_PLT16 :
252b5132
RH		 3581 R_MN10300_PCREL16);
3582
3583 /* Delete two bytes of data. */
3584 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3585 irel->r_offset + 1, 2))
3586 goto error_return;
3587
3588 /* That will change things, so, we should relax again.
3589 Note that this is not required, and it may be slow. */
b34976b6 3590 *again = TRUE;
252b5132
RH		 3591 }
3592 }
3593
3594 /* Try to turn a 16bit pc-relative branch into a 8bit pc-relative
3595 branch. */
3596 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL16)
3597 {
3598 bfd_vma value = symval;
3599
3600 /* If we've got a "call" instruction that needs to be turned
3601 into a "calls" instruction, do so now. It saves a byte. */
3602 if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
3603 {
3604 unsigned char code;
3605
3606 /* Get the opcode. */
3607 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3608
3609 /* Make sure we're working with a "call" instruction! */
3610 if (code == 0xcd)
3611 {
3612 /* Note that we've changed the relocs, section contents,
3613 etc. */
3614 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3615 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3616 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3617
3618 /* Fix the opcode. */
3619 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 1);
3620 bfd_put_8 (abfd, 0xff, contents + irel->r_offset);
3621
3622 /* Fix irel->r_offset and irel->r_addend. */
3623 irel->r_offset += 1;
3624 irel->r_addend += 1;
3625
3626 /* Delete one byte of data. */
3627 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3628 irel->r_offset + 1, 1))
3629 goto error_return;
3630
3631 /* That will change things, so, we should relax again.
3632 Note that this is not required, and it may be slow. */
b34976b6 3633 *again = TRUE;
252b5132
RH		 3634 }
3635 }
3636 else if (h)
3637 {
3638 unsigned char code;
3639
3640 /* Get the opcode. */
3641 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3642
3643 /* Insert data from the target function into the "call"
3644 instruction if needed. */
3645 if (code == 0xcd)
3646 {
3647 bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 2);
3648 bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
3649 contents + irel->r_offset + 3);
3650 }
3651 }
3652
3653 /* Deal with pc-relative gunk. */
3654 value -= (sec->output_section->vma + sec->output_offset);
3655 value -= irel->r_offset;
3656 value += irel->r_addend;
3657
3658 /* See if the value will fit in 8 bits, note the high value is
3659 0x7f + 1 as the target will be one bytes closer if we are
3660 able to relax. */
010ac81f 3661 if ((long) value < 0x80 && (long) value > -0x80)
252b5132
RH		 3662 {
3663 unsigned char code;
3664
3665 /* Get the opcode. */
3666 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3667
3668 if (code != 0xcc)
3669 continue;
3670
3671 /* Note that we've changed the relocs, section contents, etc. */
3672 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3673 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3674 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3675
3676 /* Fix the opcode. */
3677 bfd_put_8 (abfd, 0xca, contents + irel->r_offset - 1);
3678
3679 /* Fix the relocation's type. */
3680 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3681 R_MN10300_PCREL8);
3682
3683 /* Delete one byte of data. */
3684 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3685 irel->r_offset + 1, 1))
3686 goto error_return;
3687
3688 /* That will change things, so, we should relax again.
3689 Note that this is not required, and it may be slow. */
b34976b6 3690 *again = TRUE;
252b5132
RH		 3691 }
3692 }
3693
3694 /* Try to eliminate an unconditional 8 bit pc-relative branch
3695 which immediately follows a conditional 8 bit pc-relative
3696 branch around the unconditional branch.
3697
3698 original: new:
3699 bCC lab1 bCC' lab2
3700 bra lab2
3701 lab1: lab1:
3702
252b5132
RH		 3703 This happens when the bCC can't reach lab2 at assembly time,
3704 but due to other relaxations it can reach at link time. */
3705 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL8)
3706 {
3707 Elf_Internal_Rela *nrel;
3708 bfd_vma value = symval;
3709 unsigned char code;
3710
3711 /* Deal with pc-relative gunk. */
3712 value -= (sec->output_section->vma + sec->output_offset);
3713 value -= irel->r_offset;
3714 value += irel->r_addend;
3715
3716 /* Do nothing if this reloc is the last byte in the section. */
eea6121a 3717 if (irel->r_offset == sec->size)
252b5132
RH		 3718 continue;
3719
3720 /* See if the next instruction is an unconditional pc-relative
3721 branch, more often than not this test will fail, so we
3722 test it first to speed things up. */
3723 code = bfd_get_8 (abfd, contents + irel->r_offset + 1);
3724 if (code != 0xca)
3725 continue;
3726
3727 /* Also make sure the next relocation applies to the next
3728 instruction and that it's a pc-relative 8 bit branch. */
3729 nrel = irel + 1;
3730 if (nrel == irelend
3731 || irel->r_offset + 2 != nrel->r_offset
3732 || ELF32_R_TYPE (nrel->r_info) != (int) R_MN10300_PCREL8)
3733 continue;
3734
3735 /* Make sure our destination immediately follows the
3736 unconditional branch. */
3737 if (symval != (sec->output_section->vma + sec->output_offset
3738 + irel->r_offset + 3))
3739 continue;
3740
3741 /* Now make sure we are a conditional branch. This may not
3742 be necessary, but why take the chance.
3743
3744 Note these checks assume that R_MN10300_PCREL8 relocs
3745 only occur on bCC and bCCx insns. If they occured
3746 elsewhere, we'd need to know the start of this insn
3747 for this check to be accurate. */
3748 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3749 if (code != 0xc0 && code != 0xc1 && code != 0xc2
3750 && code != 0xc3 && code != 0xc4 && code != 0xc5
3751 && code != 0xc6 && code != 0xc7 && code != 0xc8
3752 && code != 0xc9 && code != 0xe8 && code != 0xe9
3753 && code != 0xea && code != 0xeb)
3754 continue;
3755
3756 /* We also have to be sure there is no symbol/label
3757 at the unconditional branch. */
6cdc0ccc
AM		 3758 if (mn10300_elf_symbol_address_p (abfd, sec, isymbuf,
3759 irel->r_offset + 1))
252b5132
RH		 3760 continue;
3761
3762 /* Note that we've changed the relocs, section contents, etc. */
3763 elf_section_data (sec)->relocs = internal_relocs;
252b5132 3764 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3765 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 3766
3767 /* Reverse the condition of the first branch. */
3768 switch (code)
3769 {
010ac81f
KH		 3770 case 0xc8:
3771 code = 0xc9;
3772 break;
3773 case 0xc9:
3774 code = 0xc8;
3775 break;
3776 case 0xc0:
3777 code = 0xc2;
3778 break;
3779 case 0xc2:
3780 code = 0xc0;
3781 break;
3782 case 0xc3:
3783 code = 0xc1;
3784 break;
3785 case 0xc1:
3786 code = 0xc3;
3787 break;
3788 case 0xc4:
3789 code = 0xc6;
3790 break;
3791 case 0xc6:
3792 code = 0xc4;
3793 break;
3794 case 0xc7:
3795 code = 0xc5;
3796 break;
3797 case 0xc5:
3798 code = 0xc7;
3799 break;
3800 case 0xe8:
3801 code = 0xe9;
3802 break;
3803 case 0x9d:
3804 code = 0xe8;
3805 break;
3806 case 0xea:
3807 code = 0xeb;
3808 break;
3809 case 0xeb:
3810 code = 0xea;
3811 break;
252b5132
RH		 3812 }
3813 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
3814
3815 /* Set the reloc type and symbol for the first branch
3816 from the second branch. */
3817 irel->r_info = nrel->r_info;
3818
3819 /* Make the reloc for the second branch a null reloc. */
3820 nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
3821 R_MN10300_NONE);
3822
3823 /* Delete two bytes of data. */
3824 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3825 irel->r_offset + 1, 2))
3826 goto error_return;
3827
3828 /* That will change things, so, we should relax again.
3829 Note that this is not required, and it may be slow. */
b34976b6 3830 *again = TRUE;
252b5132
RH		 3831 }
3832
31f8dc8f
JL		 3833 /* Try to turn a 24 immediate, displacement or absolute address
3834 into a 8 immediate, displacement or absolute address. */
3835 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_24)
3836 {
3837 bfd_vma value = symval;
3838 value += irel->r_addend;
3839
3840 /* See if the value will fit in 8 bits. */
010ac81f 3841 if ((long) value < 0x7f && (long) value > -0x80)
31f8dc8f
JL		 3842 {
3843 unsigned char code;
3844
3845 /* AM33 insns which have 24 operands are 6 bytes long and
3846 will have 0xfd as the first byte. */
3847
3848 /* Get the first opcode. */
3849 code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
3850
3851 if (code == 0xfd)
3852 {
010ac81f
KH		 3853 /* Get the second opcode. */
3854 code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
31f8dc8f
JL		 3855
3856 /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
3857 equivalent instructions exists. */
3b36f7e6 3858 if (code != 0x6b && code != 0x7b
31f8dc8f
JL		 3859 && code != 0x8b && code != 0x9b
3860 && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
3861 || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
3862 || (code & 0x0f) == 0x0e))
3863 {
3864 /* Not safe if the high bit is on as relaxing may
3b36f7e6
AM		 3865 move the value out of high mem and thus not fit
3866 in a signed 8bit value. This is currently over
3867 conservative. */
31f8dc8f
JL		 3868 if ((value & 0x80) == 0)
3869 {
3870 /* Note that we've changed the relocation contents,
3871 etc. */
3872 elf_section_data (sec)->relocs = internal_relocs;
31f8dc8f 3873 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3874 symtab_hdr->contents = (unsigned char *) isymbuf;
31f8dc8f
JL		 3875
3876 /* Fix the opcode. */
3877 bfd_put_8 (abfd, 0xfb, contents + irel->r_offset - 3);
3878 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
3879
3880 /* Fix the relocation's type. */
010ac81f
KH		 3881 irel->r_info =
3882 ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3883 R_MN10300_8);
31f8dc8f
JL		 3884
3885 /* Delete two bytes of data. */
3886 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3887 irel->r_offset + 1, 2))
3888 goto error_return;
3889
3890 /* That will change things, so, we should relax
3891 again. Note that this is not required, and it
010ac81f 3892 may be slow. */
b34976b6 3893 *again = TRUE;
31f8dc8f
JL		 3894 break;
3895 }
3896 }
31f8dc8f
JL		 3897 }
3898 }
3899 }
252b5132
RH		 3900
3901 /* Try to turn a 32bit immediate, displacement or absolute address
3902 into a 16bit immediate, displacement or absolute address. */
03a12831
AO		 3903 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_32
3904 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32
eb13e63f 3905 || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
252b5132
RH		 3906 {
3907 bfd_vma value = symval;
03a12831
AO		 3908
3909 if (ELF32_R_TYPE (irel->r_info) != (int) R_MN10300_32)
3910 {
3911 asection * sgot;
3912
3d4d4302 3913 sgot = hash_table->root.sgot;
03a12831
AO		 3914 if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32)
3915 {
3916 value = sgot->output_offset;
3917
3918 if (h)
3919 value += h->root.got.offset;
3920 else
3921 value += (elf_local_got_offsets
3922 (abfd)[ELF32_R_SYM (irel->r_info)]);
3923 }
3924 else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
3925 value -= sgot->output_section->vma;
3926 else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTPC32)
3927 value = (sgot->output_section->vma
3928 - (sec->output_section->vma
3929 + sec->output_offset
3930 + irel->r_offset));
3931 else
3932 abort ();
3933 }
3934
252b5132
RH		 3935 value += irel->r_addend;
3936
31f8dc8f
JL		 3937 /* See if the value will fit in 24 bits.
3938 We allow any 16bit match here. We prune those we can't
3939 handle below. */
010ac81f 3940 if ((long) value < 0x7fffff && (long) value > -0x800000)
31f8dc8f
JL		 3941 {
3942 unsigned char code;
3943
3944 /* AM33 insns which have 32bit operands are 7 bytes long and
3945 will have 0xfe as the first byte. */
3946
3947 /* Get the first opcode. */
3948 code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
3949
3950 if (code == 0xfe)
3951 {
3b36f7e6
AM		 3952 /* Get the second opcode. */
3953 code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
31f8dc8f
JL		 3954
3955 /* All the am33 32 -> 24 relaxing possibilities. */
3956 /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
3957 equivalent instructions exists. */
010ac81f 3958 if (code != 0x6b && code != 0x7b
31f8dc8f 3959 && code != 0x8b && code != 0x9b
03a12831
AO		 3960 && (ELF32_R_TYPE (irel->r_info)
3961 != (int) R_MN10300_GOTPC32)
31f8dc8f
JL		 3962 && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
3963 || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
3964 || (code & 0x0f) == 0x0e))
3965 {
3966 /* Not safe if the high bit is on as relaxing may
3b36f7e6
AM		 3967 move the value out of high mem and thus not fit
3968 in a signed 16bit value. This is currently over
3969 conservative. */
31f8dc8f
JL		 3970 if ((value & 0x8000) == 0)
3971 {
3972 /* Note that we've changed the relocation contents,
3973 etc. */
3974 elf_section_data (sec)->relocs = internal_relocs;
31f8dc8f 3975 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 3976 symtab_hdr->contents = (unsigned char *) isymbuf;
31f8dc8f
JL		 3977
3978 /* Fix the opcode. */
3979 bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 3);
3980 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
3981
3982 /* Fix the relocation's type. */
010ac81f
KH		 3983 irel->r_info =
3984 ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 3985 (ELF32_R_TYPE (irel->r_info)
3986 == (int) R_MN10300_GOTOFF32)
3987 ? R_MN10300_GOTOFF24
3988 : (ELF32_R_TYPE (irel->r_info)
3989 == (int) R_MN10300_GOT32)
3990 ? R_MN10300_GOT24 :
010ac81f 3991 R_MN10300_24);
31f8dc8f
JL		 3992
3993 /* Delete one byte of data. */
3994 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3995 irel->r_offset + 3, 1))
3996 goto error_return;
3997
3998 /* That will change things, so, we should relax
3999 again. Note that this is not required, and it
010ac81f 4000 may be slow. */
b34976b6 4001 *again = TRUE;
31f8dc8f
JL		 4002 break;
4003 }
4004 }
31f8dc8f
JL		 4005 }
4006 }
252b5132
RH		 4007
4008 /* See if the value will fit in 16 bits.
4009 We allow any 16bit match here. We prune those we can't
4010 handle below. */
010ac81f 4011 if ((long) value < 0x7fff && (long) value > -0x8000)
252b5132
RH		 4012 {
4013 unsigned char code;
4014
4015 /* Most insns which have 32bit operands are 6 bytes long;
4016 exceptions are pcrel insns and bit insns.
4017
4018 We handle pcrel insns above. We don't bother trying
4019 to handle the bit insns here.
4020
4021 The first byte of the remaining insns will be 0xfc. */
4022
4023 /* Get the first opcode. */
4024 code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
4025
4026 if (code != 0xfc)
4027 continue;
4028
4029 /* Get the second opcode. */
4030 code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
4031
4032 if ((code & 0xf0) < 0x80)
4033 switch (code & 0xf0)
4034 {
4035 /* mov (d32,am),dn -> mov (d32,am),dn
4036 mov dm,(d32,am) -> mov dn,(d32,am)
4037 mov (d32,am),an -> mov (d32,am),an
4038 mov dm,(d32,am) -> mov dn,(d32,am)
4039 movbu (d32,am),dn -> movbu (d32,am),dn
4040 movbu dm,(d32,am) -> movbu dn,(d32,am)
4041 movhu (d32,am),dn -> movhu (d32,am),dn
4042 movhu dm,(d32,am) -> movhu dn,(d32,am) */
4043 case 0x00:
4044 case 0x10:
4045 case 0x20:
4046 case 0x30:
4047 case 0x40:
4048 case 0x50:
4049 case 0x60:
4050 case 0x70:
4051 /* Not safe if the high bit is on as relaxing may
4052 move the value out of high mem and thus not fit
4053 in a signed 16bit value. */
4054 if (code == 0xcc
4055 && (value & 0x8000))
4056 continue;
4057
4058 /* Note that we've changed the relocation contents, etc. */
4059 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4060 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4061 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4062
4063 /* Fix the opcode. */
4064 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4065 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4066
4067 /* Fix the relocation's type. */
4068 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4069 (ELF32_R_TYPE (irel->r_info)
4070 == (int) R_MN10300_GOTOFF32)
4071 ? R_MN10300_GOTOFF16
4072 : (ELF32_R_TYPE (irel->r_info)
4073 == (int) R_MN10300_GOT32)
4074 ? R_MN10300_GOT16
4075 : (ELF32_R_TYPE (irel->r_info)
4076 == (int) R_MN10300_GOTPC32)
4077 ? R_MN10300_GOTPC16 :
252b5132
RH		 4078 R_MN10300_16);
4079
4080 /* Delete two bytes of data. */
4081 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4082 irel->r_offset + 2, 2))
4083 goto error_return;
4084
4085 /* That will change things, so, we should relax again.
4086 Note that this is not required, and it may be slow. */
b34976b6 4087 *again = TRUE;
252b5132
RH		 4088 break;
4089 }
4090 else if ((code & 0xf0) == 0x80
4091 || (code & 0xf0) == 0x90)
4092 switch (code & 0xf3)
4093 {
4094 /* mov dn,(abs32) -> mov dn,(abs16)
4095 movbu dn,(abs32) -> movbu dn,(abs16)
4096 movhu dn,(abs32) -> movhu dn,(abs16) */
4097 case 0x81:
4098 case 0x82:
4099 case 0x83:
4100 /* Note that we've changed the relocation contents, etc. */
4101 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4102 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4103 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4104
4105 if ((code & 0xf3) == 0x81)
4106 code = 0x01 + (code & 0x0c);
4107 else if ((code & 0xf3) == 0x82)
4108 code = 0x02 + (code & 0x0c);
4109 else if ((code & 0xf3) == 0x83)
4110 code = 0x03 + (code & 0x0c);
4111 else
4112 abort ();
4113
4114 /* Fix the opcode. */
4115 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
4116
4117 /* Fix the relocation's type. */
4118 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4119 (ELF32_R_TYPE (irel->r_info)
4120 == (int) R_MN10300_GOTOFF32)
4121 ? R_MN10300_GOTOFF16
4122 : (ELF32_R_TYPE (irel->r_info)
4123 == (int) R_MN10300_GOT32)
4124 ? R_MN10300_GOT16
4125 : (ELF32_R_TYPE (irel->r_info)
4126 == (int) R_MN10300_GOTPC32)
4127 ? R_MN10300_GOTPC16 :
252b5132
RH		 4128 R_MN10300_16);
4129
4130 /* The opcode got shorter too, so we have to fix the
4131 addend and offset too! */
4132 irel->r_offset -= 1;
4133
4134 /* Delete three bytes of data. */
4135 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4136 irel->r_offset + 1, 3))
4137 goto error_return;
4138
4139 /* That will change things, so, we should relax again.
4140 Note that this is not required, and it may be slow. */
b34976b6 4141 *again = TRUE;
252b5132
RH		 4142 break;
4143
4144 /* mov am,(abs32) -> mov am,(abs16)
4145 mov am,(d32,sp) -> mov am,(d16,sp)
4146 mov dm,(d32,sp) -> mov dm,(d32,sp)
4147 movbu dm,(d32,sp) -> movbu dm,(d32,sp)
4148 movhu dm,(d32,sp) -> movhu dm,(d32,sp) */
4149 case 0x80:
4150 case 0x90:
4151 case 0x91:
4152 case 0x92:
4153 case 0x93:
2a0fa943
AO		 4154 /* sp-based offsets are zero-extended. */
4155 if (code >= 0x90 && code <= 0x93
bfff1642 4156 && (long) value < 0)
2a0fa943
AO		 4157 continue;
4158
252b5132
RH		 4159 /* Note that we've changed the relocation contents, etc. */
4160 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4161 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4162 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4163
4164 /* Fix the opcode. */
4165 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4166 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4167
4168 /* Fix the relocation's type. */
4169 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4170 (ELF32_R_TYPE (irel->r_info)
4171 == (int) R_MN10300_GOTOFF32)
4172 ? R_MN10300_GOTOFF16
4173 : (ELF32_R_TYPE (irel->r_info)
4174 == (int) R_MN10300_GOT32)
4175 ? R_MN10300_GOT16
4176 : (ELF32_R_TYPE (irel->r_info)
4177 == (int) R_MN10300_GOTPC32)
4178 ? R_MN10300_GOTPC16 :
252b5132
RH		 4179 R_MN10300_16);
4180
4181 /* Delete two bytes of data. */
4182 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4183 irel->r_offset + 2, 2))
4184 goto error_return;
4185
4186 /* That will change things, so, we should relax again.
4187 Note that this is not required, and it may be slow. */
b34976b6 4188 *again = TRUE;
252b5132
RH		 4189 break;
4190 }
4191 else if ((code & 0xf0) < 0xf0)
4192 switch (code & 0xfc)
4193 {
4194 /* mov imm32,dn -> mov imm16,dn
4195 mov imm32,an -> mov imm16,an
4196 mov (abs32),dn -> mov (abs16),dn
4197 movbu (abs32),dn -> movbu (abs16),dn
4198 movhu (abs32),dn -> movhu (abs16),dn */
4199 case 0xcc:
4200 case 0xdc:
4201 case 0xa4:
4202 case 0xa8:
4203 case 0xac:
4204 /* Not safe if the high bit is on as relaxing may
4205 move the value out of high mem and thus not fit
4206 in a signed 16bit value. */
4207 if (code == 0xcc
4208 && (value & 0x8000))
4209 continue;
4210
6746a626
NC		 4211 /* "mov imm16, an" zero-extends the immediate. */
4212 if ((code & 0xfc) == 0xdc
bfff1642 4213 && (long) value < 0)
2a0fa943
AO		 4214 continue;
4215
252b5132
RH		 4216 /* Note that we've changed the relocation contents, etc. */
4217 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4218 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4219 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4220
4221 if ((code & 0xfc) == 0xcc)
4222 code = 0x2c + (code & 0x03);
4223 else if ((code & 0xfc) == 0xdc)
4224 code = 0x24 + (code & 0x03);
4225 else if ((code & 0xfc) == 0xa4)
4226 code = 0x30 + (code & 0x03);
4227 else if ((code & 0xfc) == 0xa8)
4228 code = 0x34 + (code & 0x03);
4229 else if ((code & 0xfc) == 0xac)
4230 code = 0x38 + (code & 0x03);
4231 else
4232 abort ();
4233
4234 /* Fix the opcode. */
4235 bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
4236
4237 /* Fix the relocation's type. */
4238 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4239 (ELF32_R_TYPE (irel->r_info)
4240 == (int) R_MN10300_GOTOFF32)
4241 ? R_MN10300_GOTOFF16
4242 : (ELF32_R_TYPE (irel->r_info)
4243 == (int) R_MN10300_GOT32)
4244 ? R_MN10300_GOT16
4245 : (ELF32_R_TYPE (irel->r_info)
4246 == (int) R_MN10300_GOTPC32)
4247 ? R_MN10300_GOTPC16 :
252b5132
RH		 4248 R_MN10300_16);
4249
4250 /* The opcode got shorter too, so we have to fix the
4251 addend and offset too! */
4252 irel->r_offset -= 1;
4253
4254 /* Delete three bytes of data. */
4255 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4256 irel->r_offset + 1, 3))
4257 goto error_return;
4258
4259 /* That will change things, so, we should relax again.
4260 Note that this is not required, and it may be slow. */
b34976b6 4261 *again = TRUE;
252b5132
RH		 4262 break;
4263
4264 /* mov (abs32),an -> mov (abs16),an
2a0fa943
AO		 4265 mov (d32,sp),an -> mov (d16,sp),an
4266 mov (d32,sp),dn -> mov (d16,sp),dn
4267 movbu (d32,sp),dn -> movbu (d16,sp),dn
4268 movhu (d32,sp),dn -> movhu (d16,sp),dn
252b5132
RH		 4269 add imm32,dn -> add imm16,dn
4270 cmp imm32,dn -> cmp imm16,dn
4271 add imm32,an -> add imm16,an
4272 cmp imm32,an -> cmp imm16,an
2a0fa943
AO		 4273 and imm32,dn -> and imm16,dn
4274 or imm32,dn -> or imm16,dn
4275 xor imm32,dn -> xor imm16,dn
4276 btst imm32,dn -> btst imm16,dn */
252b5132
RH		 4277
4278 case 0xa0:
4279 case 0xb0:
4280 case 0xb1:
4281 case 0xb2:
4282 case 0xb3:
4283 case 0xc0:
4284 case 0xc8:
4285
4286 case 0xd0:
4287 case 0xd8:
4288 case 0xe0:
4289 case 0xe1:
4290 case 0xe2:
4291 case 0xe3:
2a0fa943
AO		 4292 /* cmp imm16, an zero-extends the immediate. */
4293 if (code == 0xdc
bfff1642 4294 && (long) value < 0)
2a0fa943
AO		 4295 continue;
4296
4297 /* So do sp-based offsets. */
4298 if (code >= 0xb0 && code <= 0xb3
bfff1642 4299 && (long) value < 0)
2a0fa943
AO		 4300 continue;
4301
252b5132
RH		 4302 /* Note that we've changed the relocation contents, etc. */
4303 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4304 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4305 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4306
4307 /* Fix the opcode. */
4308 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4309 bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4310
4311 /* Fix the relocation's type. */
4312 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4313 (ELF32_R_TYPE (irel->r_info)
4314 == (int) R_MN10300_GOTOFF32)
4315 ? R_MN10300_GOTOFF16
4316 : (ELF32_R_TYPE (irel->r_info)
4317 == (int) R_MN10300_GOT32)
4318 ? R_MN10300_GOT16
4319 : (ELF32_R_TYPE (irel->r_info)
4320 == (int) R_MN10300_GOTPC32)
4321 ? R_MN10300_GOTPC16 :
252b5132
RH		 4322 R_MN10300_16);
4323
4324 /* Delete two bytes of data. */
4325 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4326 irel->r_offset + 2, 2))
4327 goto error_return;
4328
4329 /* That will change things, so, we should relax again.
4330 Note that this is not required, and it may be slow. */
b34976b6 4331 *again = TRUE;
252b5132
RH		 4332 break;
4333 }
4334 else if (code == 0xfe)
4335 {
4336 /* add imm32,sp -> add imm16,sp */
4337
4338 /* Note that we've changed the relocation contents, etc. */
4339 elf_section_data (sec)->relocs = internal_relocs;
252b5132 4340 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 4341 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH		 4342
4343 /* Fix the opcode. */
4344 bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4345 bfd_put_8 (abfd, 0xfe, contents + irel->r_offset - 1);
4346
4347 /* Fix the relocation's type. */
4348 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
03a12831
AO		 4349 (ELF32_R_TYPE (irel->r_info)
4350 == (int) R_MN10300_GOT32)
4351 ? R_MN10300_GOT16
4352 : (ELF32_R_TYPE (irel->r_info)
4353 == (int) R_MN10300_GOTOFF32)
4354 ? R_MN10300_GOTOFF16
4355 : (ELF32_R_TYPE (irel->r_info)
4356 == (int) R_MN10300_GOTPC32)
4357 ? R_MN10300_GOTPC16 :
010ac81f 4358 R_MN10300_16);
252b5132
RH		 4359
4360 /* Delete two bytes of data. */
4361 if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4362 irel->r_offset + 2, 2))
4363 goto error_return;
4364
4365 /* That will change things, so, we should relax again.
4366 Note that this is not required, and it may be slow. */
b34976b6 4367 *again = TRUE;
252b5132
RH		 4368 break;
4369 }
4370 }
4371 }
4372 }
4373
6cdc0ccc
AM		 4374 if (isymbuf != NULL
4375 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH		 4376 {
4377 if (! link_info->keep_memory)
6cdc0ccc 4378 free (isymbuf);
252b5132
RH		 4379 else
4380 {
6cdc0ccc
AM		 4381 /* Cache the symbols for elf_link_input_bfd. */
4382 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 4383 }
9ad5cbcf
AM		 4384 }
4385
6cdc0ccc
AM		 4386 if (contents != NULL
4387 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH		 4388 {
4389 if (! link_info->keep_memory)
6cdc0ccc
AM		 4390 free (contents);
4391 else
252b5132 4392 {
6cdc0ccc
AM		 4393 /* Cache the section contents for elf_link_input_bfd. */
4394 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 4395 }
252b5132
RH		 4396 }
4397
6cdc0ccc
AM		 4398 if (internal_relocs != NULL
4399 && elf_section_data (sec)->relocs != internal_relocs)
4400 free (internal_relocs);
4401
b34976b6 4402 return TRUE;
252b5132
RH		 4403
4404 error_return:
6cdc0ccc
AM		 4405 if (isymbuf != NULL
4406 && symtab_hdr->contents != (unsigned char *) isymbuf)
4407 free (isymbuf);
4408 if (contents != NULL
4409 && elf_section_data (section)->this_hdr.contents != contents)
4410 free (contents);
4411 if (internal_relocs != NULL
4412 && elf_section_data (section)->relocs != internal_relocs)
4413 free (internal_relocs);
9ad5cbcf 4414
b34976b6 4415 return FALSE;
252b5132
RH		 4416}
4417
252b5132
RH		 4418/* This is a version of bfd_generic_get_relocated_section_contents
4419 which uses mn10300_elf_relocate_section. */
4420
4421static bfd_byte *
603b7257
NC		 4422mn10300_elf_get_relocated_section_contents (bfd *output_bfd,
4423 struct bfd_link_info *link_info,
4424 struct bfd_link_order *link_order,
4425 bfd_byte *data,
4426 bfd_boolean relocatable,
4427 asymbol **symbols)
252b5132
RH		 4428{
4429 Elf_Internal_Shdr *symtab_hdr;
4430 asection *input_section = link_order->u.indirect.section;
4431 bfd *input_bfd = input_section->owner;
4432 asection **sections = NULL;
4433 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 4434 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH		 4435
4436 /* We only need to handle the case of relaxing, or of having a
4437 particular set of section contents, specially. */
1049f94e 4438 if (relocatable
252b5132
RH		 4439 || elf_section_data (input_section)->this_hdr.contents == NULL)
4440 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4441 link_order, data,
1049f94e 4442 relocatable,
252b5132
RH		 4443 symbols);
4444
4445 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4446
4447 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 4448 (size_t) input_section->size);
252b5132
RH		 4449
4450 if ((input_section->flags & SEC_RELOC) != 0
4451 && input_section->reloc_count > 0)
4452 {
252b5132 4453 asection **secpp;
6cdc0ccc 4454 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 4455 bfd_size_type amt;
252b5132 4456
603b7257
NC		 4457 internal_relocs = _bfd_elf_link_read_relocs (input_bfd, input_section,
4458 NULL, NULL, FALSE);
252b5132
RH		 4459 if (internal_relocs == NULL)
4460 goto error_return;
4461
6cdc0ccc
AM		 4462 if (symtab_hdr->sh_info != 0)
4463 {
4464 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4465 if (isymbuf == NULL)
4466 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4467 symtab_hdr->sh_info, 0,
4468 NULL, NULL, NULL);
4469 if (isymbuf == NULL)
4470 goto error_return;
4471 }
252b5132 4472
9ad5cbcf
AM		 4473 amt = symtab_hdr->sh_info;
4474 amt *= sizeof (asection *);
603b7257 4475 sections = bfd_malloc (amt);
9ad5cbcf 4476 if (sections == NULL && amt != 0)
252b5132
RH		 4477 goto error_return;
4478
6cdc0ccc
AM		 4479 isymend = isymbuf + symtab_hdr->sh_info;
4480 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH		 4481 {
4482 asection *isec;
4483
6cdc0ccc 4484 if (isym->st_shndx == SHN_UNDEF)
252b5132 4485 isec = bfd_und_section_ptr;
6cdc0ccc 4486 else if (isym->st_shndx == SHN_ABS)
252b5132 4487 isec = bfd_abs_section_ptr;
6cdc0ccc 4488 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH		 4489 isec = bfd_com_section_ptr;
4490 else
6cdc0ccc 4491 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH		 4492
4493 *secpp = isec;
4494 }
4495
4496 if (! mn10300_elf_relocate_section (output_bfd, link_info, input_bfd,
603b7257
NC		 4497 input_section, data, internal_relocs,
4498 isymbuf, sections))
252b5132
RH		 4499 goto error_return;
4500
4501 if (sections != NULL)
4502 free (sections);
6cdc0ccc
AM		 4503 if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
4504 free (isymbuf);
252b5132
RH		 4505 if (internal_relocs != elf_section_data (input_section)->relocs)
4506 free (internal_relocs);
252b5132
RH		 4507 }
4508
4509 return data;
4510
4511 error_return:
6cdc0ccc
AM		 4512 if (sections != NULL)
4513 free (sections);
4514 if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
4515 free (isymbuf);
252b5132
RH		 4516 if (internal_relocs != NULL
4517 && internal_relocs != elf_section_data (input_section)->relocs)
4518 free (internal_relocs);
252b5132
RH		 4519 return NULL;
4520}
4521
4522/* Assorted hash table functions. */
4523
4524/* Initialize an entry in the link hash table. */
4525
4526/* Create an entry in an MN10300 ELF linker hash table. */
4527
4528static struct bfd_hash_entry *
603b7257
NC		 4529elf32_mn10300_link_hash_newfunc (struct bfd_hash_entry *entry,
4530 struct bfd_hash_table *table,
4531 const char *string)
252b5132
RH		 4532{
4533 struct elf32_mn10300_link_hash_entry *ret =
4534 (struct elf32_mn10300_link_hash_entry *) entry;
4535
4536 /* Allocate the structure if it has not already been allocated by a
4537 subclass. */
603b7257
NC		 4538 if (ret == NULL)
4539 ret = (struct elf32_mn10300_link_hash_entry *)
4540 bfd_hash_allocate (table, sizeof (* ret));
4541 if (ret == NULL)
252b5132
RH		 4542 return (struct bfd_hash_entry *) ret;
4543
4544 /* Call the allocation method of the superclass. */
603b7257 4545 ret = (struct elf32_mn10300_link_hash_entry *)
252b5132 4546 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
603b7257
NC		 4547 table, string);
4548 if (ret != NULL)
252b5132
RH		 4549 {
4550 ret->direct_calls = 0;
4551 ret->stack_size = 0;
5354b572 4552 ret->movm_args = 0;
252b5132
RH		 4553 ret->movm_stack_size = 0;
4554 ret->flags = 0;
eb13e63f 4555 ret->value = 0;
0a22ae8e 4556 ret->tls_type = GOT_UNKNOWN;
252b5132
RH		 4557 }
4558
4559 return (struct bfd_hash_entry *) ret;
4560}
4561
0a22ae8e
NC		 4562static void
4563_bfd_mn10300_copy_indirect_symbol (struct bfd_link_info * info,
4564 struct elf_link_hash_entry * dir,
4565 struct elf_link_hash_entry * ind)
4566{
4567 struct elf32_mn10300_link_hash_entry * edir;
4568 struct elf32_mn10300_link_hash_entry * eind;
4569
4570 edir = elf_mn10300_hash_entry (dir);
4571 eind = elf_mn10300_hash_entry (ind);
4572
4573 if (ind->root.type == bfd_link_hash_indirect
4574 && dir->got.refcount <= 0)
4575 {
4576 edir->tls_type = eind->tls_type;
4577 eind->tls_type = GOT_UNKNOWN;
4578 }
4579 edir->direct_calls = eind->direct_calls;
4580 edir->stack_size = eind->stack_size;
4581 edir->movm_args = eind->movm_args;
4582 edir->movm_stack_size = eind->movm_stack_size;
4583 edir->flags = eind->flags;
4584
4585 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
4586}
4587
68faa637
AM		 4588/* Destroy an mn10300 ELF linker hash table. */
4589
4590static void
d495ab0d 4591elf32_mn10300_link_hash_table_free (bfd *obfd)
68faa637
AM		 4592{
4593 struct elf32_mn10300_link_hash_table *ret
d495ab0d 4594 = (struct elf32_mn10300_link_hash_table *) obfd->link.hash;
68faa637 4595
d495ab0d
AM		 4596 obfd->link.hash = &ret->static_hash_table->root.root;
4597 _bfd_elf_link_hash_table_free (obfd);
4598 obfd->is_linker_output = TRUE;
4599 obfd->link.hash = &ret->root.root;
4600 _bfd_elf_link_hash_table_free (obfd);
68faa637
AM		 4601}
4602
252b5132
RH		 4603/* Create an mn10300 ELF linker hash table. */
4604
4605static struct bfd_link_hash_table *
603b7257 4606elf32_mn10300_link_hash_table_create (bfd *abfd)
252b5132
RH		 4607{
4608 struct elf32_mn10300_link_hash_table *ret;
603b7257 4609 bfd_size_type amt = sizeof (* ret);
252b5132 4610
7bf52ea2 4611 ret = bfd_zmalloc (amt);
603b7257 4612 if (ret == NULL)
252b5132
RH		 4613 return NULL;
4614
dc810e39 4615 amt = sizeof (struct elf_link_hash_table);
7bf52ea2 4616 ret->static_hash_table = bfd_zmalloc (amt);
252b5132
RH		 4617 if (ret->static_hash_table == NULL)
4618 {
e2d34d7d 4619 free (ret);
252b5132
RH		 4620 return NULL;
4621 }
4622
66eb6687
AM		 4623 if (!_bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
4624 elf32_mn10300_link_hash_newfunc,
4dfe6ac6
NC		 4625 sizeof (struct elf32_mn10300_link_hash_entry),
4626 MN10300_ELF_DATA))
252b5132 4627 {
e2d34d7d
DJ		 4628 free (ret->static_hash_table);
4629 free (ret);
252b5132
RH		 4630 return NULL;
4631 }
d495ab0d
AM		 4632
4633 abfd->is_linker_output = FALSE;
4634 abfd->link.hash = NULL;
4635 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
4636 elf32_mn10300_link_hash_newfunc,
4637 sizeof (struct elf32_mn10300_link_hash_entry),
4638 MN10300_ELF_DATA))
4639 {
4640 abfd->is_linker_output = TRUE;
4641 abfd->link.hash = &ret->static_hash_table->root.root;
4642 _bfd_elf_link_hash_table_free (abfd);
4643 free (ret);
4644 return NULL;
4645 }
4646 ret->root.root.hash_table_free = elf32_mn10300_link_hash_table_free;
4647
4648 ret->tls_ldm_got.offset = -1;
4649
603b7257 4650 return & ret->root.root;
252b5132
RH		 4651}
4652
dc810e39 4653static unsigned long
603b7257 4654elf_mn10300_mach (flagword flags)
252b5132
RH		 4655{
4656 switch (flags & EF_MN10300_MACH)
4657 {
010ac81f
KH		 4658 case E_MN10300_MACH_MN10300:
4659 default:
4660 return bfd_mach_mn10300;
252b5132 4661
010ac81f
KH		 4662 case E_MN10300_MACH_AM33:
4663 return bfd_mach_am33;
b08fa4d3
AO		 4664
4665 case E_MN10300_MACH_AM33_2:
4666 return bfd_mach_am33_2;
252b5132
RH		 4667 }
4668}
4669
4670/* The final processing done just before writing out a MN10300 ELF object
4671 file. This gets the MN10300 architecture right based on the machine
4672 number. */
4673
603b7257
NC		 4674static void
4675_bfd_mn10300_elf_final_write_processing (bfd *abfd,
4676 bfd_boolean linker ATTRIBUTE_UNUSED)
252b5132
RH		 4677{
4678 unsigned long val;
252b5132
RH		 4679
4680 switch (bfd_get_mach (abfd))
4681 {
010ac81f
KH		 4682 default:
4683 case bfd_mach_mn10300:
4684 val = E_MN10300_MACH_MN10300;
4685 break;
4686
4687 case bfd_mach_am33:
4688 val = E_MN10300_MACH_AM33;
4689 break;
b08fa4d3
AO		 4690
4691 case bfd_mach_am33_2:
4692 val = E_MN10300_MACH_AM33_2;
4693 break;
252b5132
RH		 4694 }
4695
4696 elf_elfheader (abfd)->e_flags &= ~ (EF_MN10300_MACH);
4697 elf_elfheader (abfd)->e_flags |= val;
4698}
4699
603b7257
NC		 4700static bfd_boolean
4701_bfd_mn10300_elf_object_p (bfd *abfd)
252b5132
RH		 4702{
4703 bfd_default_set_arch_mach (abfd, bfd_arch_mn10300,
010ac81f 4704 elf_mn10300_mach (elf_elfheader (abfd)->e_flags));
b34976b6 4705 return TRUE;
252b5132
RH		 4706}
4707
4708/* Merge backend specific data from an object file to the output
4709 object file when linking. */
4710
603b7257 4711static bfd_boolean
50e03d47 4712_bfd_mn10300_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
252b5132 4713{
50e03d47
AM		 4714 bfd *obfd = info->output_bfd;
4715
252b5132
RH		 4716 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4717 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 4718 return TRUE;
252b5132
RH		 4719
4720 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4721 && bfd_get_mach (obfd) < bfd_get_mach (ibfd))
4722 {
4723 if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
3b36f7e6
AM		 4724 bfd_get_mach (ibfd)))
4725 return FALSE;
252b5132
RH		 4726 }
4727
b34976b6 4728 return TRUE;
252b5132
RH		 4729}
4730
603b7257
NC		 4731#define PLT0_ENTRY_SIZE 15
4732#define PLT_ENTRY_SIZE 20
4733#define PIC_PLT_ENTRY_SIZE 24
03a12831
AO		 4734
4735static const bfd_byte elf_mn10300_plt0_entry[PLT0_ENTRY_SIZE] =
4736{
4737 0xfc, 0xa0, 0, 0, 0, 0, /* mov (.got+8),a0 */
4738 0xfe, 0xe, 0x10, 0, 0, 0, 0, /* mov (.got+4),r1 */
4739 0xf0, 0xf4, /* jmp (a0) */
4740};
4741
4742static const bfd_byte elf_mn10300_plt_entry[PLT_ENTRY_SIZE] =
4743{
4744 0xfc, 0xa0, 0, 0, 0, 0, /* mov (nameN@GOT + .got),a0 */
4745 0xf0, 0xf4, /* jmp (a0) */
4746 0xfe, 8, 0, 0, 0, 0, 0, /* mov reloc-table-address,r0 */
4747 0xdc, 0, 0, 0, 0, /* jmp .plt0 */
4748};
4749
4750static const bfd_byte elf_mn10300_pic_plt_entry[PIC_PLT_ENTRY_SIZE] =
4751{
4752 0xfc, 0x22, 0, 0, 0, 0, /* mov (nameN@GOT,a2),a0 */
4753 0xf0, 0xf4, /* jmp (a0) */
4754 0xfe, 8, 0, 0, 0, 0, 0, /* mov reloc-table-address,r0 */
4755 0xf8, 0x22, 8, /* mov (8,a2),a0 */
4756 0xfb, 0xa, 0x1a, 4, /* mov (4,a2),r1 */
4757 0xf0, 0xf4, /* jmp (a0) */
4758};
4759
4760/* Return size of the first PLT entry. */
4761#define elf_mn10300_sizeof_plt0(info) \
0e1862bb 4762 (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT0_ENTRY_SIZE)
03a12831
AO		 4763
4764/* Return size of a PLT entry. */
4765#define elf_mn10300_sizeof_plt(info) \
0e1862bb 4766 (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT_ENTRY_SIZE)
03a12831
AO		 4767
4768/* Return offset of the PLT0 address in an absolute PLT entry. */
4769#define elf_mn10300_plt_plt0_offset(info) 16
4770
4771/* Return offset of the linker in PLT0 entry. */
4772#define elf_mn10300_plt0_linker_offset(info) 2
4773
4774/* Return offset of the GOT id in PLT0 entry. */
4775#define elf_mn10300_plt0_gotid_offset(info) 9
4776
603b7257 4777/* Return offset of the temporary in PLT entry. */
03a12831
AO		 4778#define elf_mn10300_plt_temp_offset(info) 8
4779
4780/* Return offset of the symbol in PLT entry. */
4781#define elf_mn10300_plt_symbol_offset(info) 2
4782
4783/* Return offset of the relocation in PLT entry. */
4784#define elf_mn10300_plt_reloc_offset(info) 11
4785
4786/* The name of the dynamic interpreter. This is put in the .interp
4787 section. */
4788
4789#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
4790
4791/* Create dynamic sections when linking against a dynamic object. */
4792
4793static bfd_boolean
603b7257 4794_bfd_mn10300_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
03a12831
AO		 4795{
4796 flagword flags;
4797 asection * s;
9c5bfbb7 4798 const struct elf_backend_data * bed = get_elf_backend_data (abfd);
3d4d4302 4799 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 4800 int ptralign = 0;
4801
4802 switch (bed->s->arch_size)
4803 {
4804 case 32:
4805 ptralign = 2;
4806 break;
4807
4808 case 64:
4809 ptralign = 3;
4810 break;
4811
4812 default:
4813 bfd_set_error (bfd_error_bad_value);
4814 return FALSE;
4815 }
4816
4817 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
4818 .rel[a].bss sections. */
03a12831
AO		 4819 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
4820 | SEC_LINKER_CREATED);
4821
3d4d4302
AM		 4822 s = bfd_make_section_anyway_with_flags (abfd,
4823 (bed->default_use_rela_p
4824 ? ".rela.plt" : ".rel.plt"),
4825 flags | SEC_READONLY);
4826 htab->root.srelplt = s;
03a12831 4827 if (s == NULL
03a12831
AO		 4828 || ! bfd_set_section_alignment (abfd, s, ptralign))
4829 return FALSE;
4830
4831 if (! _bfd_mn10300_elf_create_got_section (abfd, info))
4832 return FALSE;
4833
03a12831
AO		 4834 if (bed->want_dynbss)
4835 {
4836 /* The .dynbss section is a place to put symbols which are defined
4837 by dynamic objects, are referenced by regular objects, and are
4838 not functions. We must allocate space for them in the process
4839 image and use a R_*_COPY reloc to tell the dynamic linker to
4840 initialize them at run time. The linker script puts the .dynbss
4841 section into the .bss section of the final image. */
3d4d4302
AM		 4842 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
4843 SEC_ALLOC | SEC_LINKER_CREATED);
3496cb2a 4844 if (s == NULL)
03a12831
AO		 4845 return FALSE;
4846
4847 /* The .rel[a].bss section holds copy relocs. This section is not
4848 normally needed. We need to create it here, though, so that the
4849 linker will map it to an output section. We can't just create it
4850 only if we need it, because we will not know whether we need it
4851 until we have seen all the input files, and the first time the
4852 main linker code calls BFD after examining all the input files
4853 (size_dynamic_sections) the input sections have already been
4854 mapped to the output sections. If the section turns out not to
4855 be needed, we can discard it later. We will never need this
4856 section when generating a shared object, since they do not use
4857 copy relocs. */
0e1862bb 4858 if (! bfd_link_pic (info))
03a12831 4859 {
3d4d4302
AM		 4860 s = bfd_make_section_anyway_with_flags (abfd,
4861 (bed->default_use_rela_p
4862 ? ".rela.bss" : ".rel.bss"),
4863 flags | SEC_READONLY);
03a12831 4864 if (s == NULL
03a12831
AO		 4865 || ! bfd_set_section_alignment (abfd, s, ptralign))
4866 return FALSE;
4867 }
4868 }
4869
4870 return TRUE;
4871}
4872\f
4873/* Adjust a symbol defined by a dynamic object and referenced by a
4874 regular object. The current definition is in some section of the
4875 dynamic object, but we're not including those sections. We have to
4876 change the definition to something the rest of the link can
4877 understand. */
4878
4879static bfd_boolean
603b7257
NC		 4880_bfd_mn10300_elf_adjust_dynamic_symbol (struct bfd_link_info * info,
4881 struct elf_link_hash_entry * h)
03a12831 4882{
3d4d4302 4883 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 4884 bfd * dynobj;
4885 asection * s;
03a12831 4886
3d4d4302 4887 dynobj = htab->root.dynobj;
03a12831
AO		 4888
4889 /* Make sure we know what is going on here. */
4890 BFD_ASSERT (dynobj != NULL
f5385ebf 4891 && (h->needs_plt
f6e332e6 4892 || h->u.weakdef != NULL
f5385ebf
AM		 4893 || (h->def_dynamic
4894 && h->ref_regular
4895 && !h->def_regular)));
03a12831
AO		 4896
4897 /* If this is a function, put it in the procedure linkage table. We
4898 will fill in the contents of the procedure linkage table later,
4899 when we know the address of the .got section. */
4900 if (h->type == STT_FUNC
f5385ebf 4901 || h->needs_plt)
03a12831 4902 {
0e1862bb 4903 if (! bfd_link_pic (info)
f5385ebf
AM		 4904 && !h->def_dynamic
4905 && !h->ref_dynamic)
03a12831
AO		 4906 {
4907 /* This case can occur if we saw a PLT reloc in an input
4908 file, but the symbol was never referred to by a dynamic
4909 object. In such a case, we don't actually need to build
4910 a procedure linkage table, and we can just do a REL32
4911 reloc instead. */
f5385ebf 4912 BFD_ASSERT (h->needs_plt);
03a12831
AO		 4913 return TRUE;
4914 }
4915
4916 /* Make sure this symbol is output as a dynamic symbol. */
4917 if (h->dynindx == -1)
4918 {
c152c796 4919 if (! bfd_elf_link_record_dynamic_symbol (info, h))
03a12831
AO		 4920 return FALSE;
4921 }
4922
3d4d4302 4923 s = htab->root.splt;
03a12831
AO		 4924 BFD_ASSERT (s != NULL);
4925
4926 /* If this is the first .plt entry, make room for the special
4927 first entry. */
eea6121a
AM		 4928 if (s->size == 0)
4929 s->size += elf_mn10300_sizeof_plt0 (info);
03a12831
AO		 4930
4931 /* If this symbol is not defined in a regular file, and we are
4932 not generating a shared library, then set the symbol to this
4933 location in the .plt. This is required to make function
4934 pointers compare as equal between the normal executable and
4935 the shared library. */
0e1862bb 4936 if (! bfd_link_pic (info)
f5385ebf 4937 && !h->def_regular)
03a12831
AO		 4938 {
4939 h->root.u.def.section = s;
eea6121a 4940 h->root.u.def.value = s->size;
03a12831
AO		 4941 }
4942
eea6121a 4943 h->plt.offset = s->size;
03a12831
AO		 4944
4945 /* Make room for this entry. */
eea6121a 4946 s->size += elf_mn10300_sizeof_plt (info);
03a12831
AO		 4947
4948 /* We also need to make an entry in the .got.plt section, which
4949 will be placed in the .got section by the linker script. */
3d4d4302 4950 s = htab->root.sgotplt;
03a12831 4951 BFD_ASSERT (s != NULL);
eea6121a 4952 s->size += 4;
03a12831
AO		 4953
4954 /* We also need to make an entry in the .rela.plt section. */
ce558b89 4955 s = htab->root.srelplt;
03a12831 4956 BFD_ASSERT (s != NULL);
eea6121a 4957 s->size += sizeof (Elf32_External_Rela);
03a12831
AO		 4958
4959 return TRUE;
4960 }
4961
4962 /* If this is a weak symbol, and there is a real definition, the
4963 processor independent code will have arranged for us to see the
4964 real definition first, and we can just use the same value. */
f6e332e6 4965 if (h->u.weakdef != NULL)
03a12831 4966 {
f6e332e6
AM		 4967 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
4968 || h->u.weakdef->root.type == bfd_link_hash_defweak);
4969 h->root.u.def.section = h->u.weakdef->root.u.def.section;
4970 h->root.u.def.value = h->u.weakdef->root.u.def.value;
03a12831
AO		 4971 return TRUE;
4972 }
4973
4974 /* This is a reference to a symbol defined by a dynamic object which
4975 is not a function. */
4976
4977 /* If we are creating a shared library, we must presume that the
4978 only references to the symbol are via the global offset table.
4979 For such cases we need not do anything here; the relocations will
4980 be handled correctly by relocate_section. */
0e1862bb 4981 if (bfd_link_pic (info))
03a12831
AO		 4982 return TRUE;
4983
4984 /* If there are no references to this symbol that do not use the
4985 GOT, we don't need to generate a copy reloc. */
f5385ebf 4986 if (!h->non_got_ref)
03a12831
AO		 4987 return TRUE;
4988
4989 /* We must allocate the symbol in our .dynbss section, which will
4990 become part of the .bss section of the executable. There will be
4991 an entry for this symbol in the .dynsym section. The dynamic
4992 object will contain position independent code, so all references
4993 from the dynamic object to this symbol will go through the global
4994 offset table. The dynamic linker will use the .dynsym entry to
4995 determine the address it must put in the global offset table, so
4996 both the dynamic object and the regular object will refer to the
4997 same memory location for the variable. */
4998
3d4d4302 4999 s = bfd_get_linker_section (dynobj, ".dynbss");
03a12831
AO		 5000 BFD_ASSERT (s != NULL);
5001
5002 /* We must generate a R_MN10300_COPY reloc to tell the dynamic linker to
5003 copy the initial value out of the dynamic object and into the
5004 runtime process image. We need to remember the offset into the
5005 .rela.bss section we are going to use. */
1d7e9d18 5006 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
03a12831
AO		 5007 {
5008 asection * srel;
5009
3d4d4302 5010 srel = bfd_get_linker_section (dynobj, ".rela.bss");
03a12831 5011 BFD_ASSERT (srel != NULL);
eea6121a 5012 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 5013 h->needs_copy = 1;
03a12831
AO		 5014 }
5015
6cabe1ea 5016 return _bfd_elf_adjust_dynamic_copy (info, h, s);
03a12831
AO		 5017}
5018
03a12831
AO		 5019/* Set the sizes of the dynamic sections. */
5020
5021static bfd_boolean
603b7257
NC		 5022_bfd_mn10300_elf_size_dynamic_sections (bfd * output_bfd,
5023 struct bfd_link_info * info)
03a12831 5024{
0a22ae8e 5025 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 5026 bfd * dynobj;
5027 asection * s;
5028 bfd_boolean plt;
5029 bfd_boolean relocs;
5030 bfd_boolean reltext;
5031
3d4d4302 5032 dynobj = htab->root.dynobj;
03a12831
AO		 5033 BFD_ASSERT (dynobj != NULL);
5034
5035 if (elf_hash_table (info)->dynamic_sections_created)
5036 {
5037 /* Set the contents of the .interp section to the interpreter. */
1a9ccd70 5038 if (bfd_link_executable (info) && !info->nointerp)
03a12831 5039 {
3d4d4302 5040 s = bfd_get_linker_section (dynobj, ".interp");
03a12831 5041 BFD_ASSERT (s != NULL);
eea6121a 5042 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
03a12831
AO		 5043 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
5044 }
5045 }
5046 else
5047 {
5048 /* We may have created entries in the .rela.got section.
5049 However, if we are not creating the dynamic sections, we will
5050 not actually use these entries. Reset the size of .rela.got,
5051 which will cause it to get stripped from the output file
5052 below. */
3d4d4302 5053 s = htab->root.sgot;
03a12831 5054 if (s != NULL)
eea6121a 5055 s->size = 0;
03a12831
AO		 5056 }
5057
0a22ae8e
NC		 5058 if (htab->tls_ldm_got.refcount > 0)
5059 {
ce558b89 5060 s = htab->root.srelgot;
0a22ae8e
NC		 5061 BFD_ASSERT (s != NULL);
5062 s->size += sizeof (Elf32_External_Rela);
5063 }
5064
03a12831
AO		 5065 /* The check_relocs and adjust_dynamic_symbol entry points have
5066 determined the sizes of the various dynamic sections. Allocate
5067 memory for them. */
5068 plt = FALSE;
5069 relocs = FALSE;
5070 reltext = FALSE;
5071 for (s = dynobj->sections; s != NULL; s = s->next)
5072 {
5073 const char * name;
03a12831
AO		 5074
5075 if ((s->flags & SEC_LINKER_CREATED) == 0)
5076 continue;
5077
5078 /* It's OK to base decisions on the section name, because none
5079 of the dynobj section names depend upon the input files. */
5080 name = bfd_get_section_name (dynobj, s);
5081
603b7257 5082 if (streq (name, ".plt"))
03a12831 5083 {
c456f082
AM		 5084 /* Remember whether there is a PLT. */
5085 plt = s->size != 0;
03a12831 5086 }
0112cd26 5087 else if (CONST_STRNEQ (name, ".rela"))
03a12831 5088 {
c456f082 5089 if (s->size != 0)
03a12831
AO		 5090 {
5091 asection * target;
5092
5093 /* Remember whether there are any reloc sections other
5094 than .rela.plt. */
603b7257 5095 if (! streq (name, ".rela.plt"))
03a12831
AO		 5096 {
5097 const char * outname;
5098
5099 relocs = TRUE;
5100
5101 /* If this relocation section applies to a read only
5102 section, then we probably need a DT_TEXTREL
5103 entry. The entries in the .rela.plt section
5104 really apply to the .got section, which we
5105 created ourselves and so know is not readonly. */
5106 outname = bfd_get_section_name (output_bfd,
5107 s->output_section);
5108 target = bfd_get_section_by_name (output_bfd, outname + 5);
5109 if (target != NULL
5110 && (target->flags & SEC_READONLY) != 0
5111 && (target->flags & SEC_ALLOC) != 0)
5112 reltext = TRUE;
5113 }
5114
5115 /* We use the reloc_count field as a counter if we need
5116 to copy relocs into the output file. */
5117 s->reloc_count = 0;
5118 }
5119 }
0112cd26 5120 else if (! CONST_STRNEQ (name, ".got")
603b7257 5121 && ! streq (name, ".dynbss"))
03a12831
AO		 5122 /* It's not one of our sections, so don't allocate space. */
5123 continue;
5124
c456f082 5125 if (s->size == 0)
03a12831 5126 {
c456f082
AM		 5127 /* If we don't need this section, strip it from the
5128 output file. This is mostly to handle .rela.bss and
5129 .rela.plt. We must create both sections in
5130 create_dynamic_sections, because they must be created
5131 before the linker maps input sections to output
5132 sections. The linker does that before
5133 adjust_dynamic_symbol is called, and it is that
5134 function which decides whether anything needs to go
5135 into these sections. */
8423293d 5136 s->flags |= SEC_EXCLUDE;
03a12831
AO		 5137 continue;
5138 }
5139
c456f082
AM		 5140 if ((s->flags & SEC_HAS_CONTENTS) == 0)
5141 continue;
5142
03a12831
AO		 5143 /* Allocate memory for the section contents. We use bfd_zalloc
5144 here in case unused entries are not reclaimed before the
5145 section's contents are written out. This should not happen,
5146 but this way if it does, we get a R_MN10300_NONE reloc
5147 instead of garbage. */
603b7257 5148 s->contents = bfd_zalloc (dynobj, s->size);
c456f082 5149 if (s->contents == NULL)
03a12831
AO		 5150 return FALSE;
5151 }
5152
5153 if (elf_hash_table (info)->dynamic_sections_created)
5154 {
5155 /* Add some entries to the .dynamic section. We fill in the
5156 values later, in _bfd_mn10300_elf_finish_dynamic_sections,
5157 but we must add the entries now so that we get the correct
5158 size for the .dynamic section. The DT_DEBUG entry is filled
5159 in by the dynamic linker and used by the debugger. */
0e1862bb 5160 if (! bfd_link_pic (info))
03a12831 5161 {
5a580b3a 5162 if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0))
03a12831
AO		 5163 return FALSE;
5164 }
5165
5166 if (plt)
5167 {
5a580b3a
AM		 5168 if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0)
5169 || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0)
5170 || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
5171 || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0))
03a12831
AO		 5172 return FALSE;
5173 }
5174
5175 if (relocs)
5176 {
5a580b3a
AM		 5177 if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0)
5178 || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0)
5179 || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT,
5180 sizeof (Elf32_External_Rela)))
03a12831
AO		 5181 return FALSE;
5182 }
5183
5184 if (reltext)
5185 {
5a580b3a 5186 if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0))
03a12831
AO		 5187 return FALSE;
5188 }
5189 }
5190
5191 return TRUE;
5192}
5193
5194/* Finish up dynamic symbol handling. We set the contents of various
5195 dynamic sections here. */
5196
5197static bfd_boolean
603b7257
NC		 5198_bfd_mn10300_elf_finish_dynamic_symbol (bfd * output_bfd,
5199 struct bfd_link_info * info,
5200 struct elf_link_hash_entry * h,
5201 Elf_Internal_Sym * sym)
03a12831 5202{
3d4d4302 5203 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831
AO		 5204 bfd * dynobj;
5205
3d4d4302 5206 dynobj = htab->root.dynobj;
03a12831
AO		 5207
5208 if (h->plt.offset != (bfd_vma) -1)
5209 {
5210 asection * splt;
5211 asection * sgot;
5212 asection * srel;
5213 bfd_vma plt_index;
5214 bfd_vma got_offset;
5215 Elf_Internal_Rela rel;
5216
5217 /* This symbol has an entry in the procedure linkage table. Set
5218 it up. */
5219
5220 BFD_ASSERT (h->dynindx != -1);
5221
3d4d4302
AM		 5222 splt = htab->root.splt;
5223 sgot = htab->root.sgotplt;
ce558b89 5224 srel = htab->root.srelplt;
03a12831
AO		 5225 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5226
5227 /* Get the index in the procedure linkage table which
5228 corresponds to this symbol. This is the index of this symbol
5229 in all the symbols for which we are making plt entries. The
5230 first entry in the procedure linkage table is reserved. */
5231 plt_index = ((h->plt.offset - elf_mn10300_sizeof_plt0 (info))
5232 / elf_mn10300_sizeof_plt (info));
5233
5234 /* Get the offset into the .got table of the entry that
5235 corresponds to this function. Each .got entry is 4 bytes.
5236 The first three are reserved. */
5237 got_offset = (plt_index + 3) * 4;
5238
5239 /* Fill in the entry in the procedure linkage table. */
0e1862bb 5240 if (! bfd_link_pic (info))
03a12831
AO		 5241 {
5242 memcpy (splt->contents + h->plt.offset, elf_mn10300_plt_entry,
5243 elf_mn10300_sizeof_plt (info));
5244 bfd_put_32 (output_bfd,
5245 (sgot->output_section->vma
5246 + sgot->output_offset
5247 + got_offset),
5248 (splt->contents + h->plt.offset
5249 + elf_mn10300_plt_symbol_offset (info)));
5250
5251 bfd_put_32 (output_bfd,
5252 (1 - h->plt.offset - elf_mn10300_plt_plt0_offset (info)),
5253 (splt->contents + h->plt.offset
5254 + elf_mn10300_plt_plt0_offset (info)));
5255 }
5256 else
5257 {
5258 memcpy (splt->contents + h->plt.offset, elf_mn10300_pic_plt_entry,
5259 elf_mn10300_sizeof_plt (info));
5260
5261 bfd_put_32 (output_bfd, got_offset,
5262 (splt->contents + h->plt.offset
5263 + elf_mn10300_plt_symbol_offset (info)));
5264 }
5265
5266 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
5267 (splt->contents + h->plt.offset
5268 + elf_mn10300_plt_reloc_offset (info)));
5269
5270 /* Fill in the entry in the global offset table. */
5271 bfd_put_32 (output_bfd,
5272 (splt->output_section->vma
5273 + splt->output_offset
5274 + h->plt.offset
5275 + elf_mn10300_plt_temp_offset (info)),
5276 sgot->contents + got_offset);
5277
5278 /* Fill in the entry in the .rela.plt section. */
5279 rel.r_offset = (sgot->output_section->vma
5280 + sgot->output_offset
5281 + got_offset);
5282 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_JMP_SLOT);
5283 rel.r_addend = 0;
5284 bfd_elf32_swap_reloca_out (output_bfd, &rel,
560e09e9
NC		 5285 (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5286 + plt_index));
03a12831 5287
f5385ebf 5288 if (!h->def_regular)
03a12831
AO		 5289 /* Mark the symbol as undefined, rather than as defined in
5290 the .plt section. Leave the value alone. */
5291 sym->st_shndx = SHN_UNDEF;
5292 }
5293
5294 if (h->got.offset != (bfd_vma) -1)
5295 {
5296 asection * sgot;
5297 asection * srel;
5298 Elf_Internal_Rela rel;
5299
5300 /* This symbol has an entry in the global offset table. Set it up. */
3d4d4302 5301 sgot = htab->root.sgot;
ce558b89 5302 srel = htab->root.srelgot;
03a12831
AO		 5303 BFD_ASSERT (sgot != NULL && srel != NULL);
5304
5305 rel.r_offset = (sgot->output_section->vma
5306 + sgot->output_offset
603b7257 5307 + (h->got.offset & ~1));
03a12831 5308
0a22ae8e 5309 switch (elf_mn10300_hash_entry (h)->tls_type)
03a12831 5310 {
0a22ae8e 5311 case GOT_TLS_GD:
03a12831 5312 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
0a22ae8e
NC		 5313 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset + 4);
5314 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_DTPMOD);
5315 rel.r_addend = 0;
5316 bfd_elf32_swap_reloca_out (output_bfd, & rel,
5317 (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5318 + srel->reloc_count));
5319 ++ srel->reloc_count;
5320 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_DTPOFF);
5321 rel.r_offset += 4;
03a12831 5322 rel.r_addend = 0;
0a22ae8e
NC		 5323 break;
5324
5325 case GOT_TLS_IE:
5326 /* We originally stored the addend in the GOT, but at this
5327 point, we want to move it to the reloc instead as that's
5328 where the dynamic linker wants it. */
5329 rel.r_addend = bfd_get_32 (output_bfd, sgot->contents + h->got.offset);
5330 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5331 if (h->dynindx == -1)
5332 rel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_TPOFF);
5333 else
5334 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_TPOFF);
5335 break;
5336
5337 default:
5338 /* If this is a -Bsymbolic link, and the symbol is defined
5339 locally, we just want to emit a RELATIVE reloc. Likewise if
5340 the symbol was forced to be local because of a version file.
5341 The entry in the global offset table will already have been
5342 initialized in the relocate_section function. */
0e1862bb 5343 if (bfd_link_pic (info)
0a22ae8e
NC		 5344 && (info->symbolic || h->dynindx == -1)
5345 && h->def_regular)
5346 {
5347 rel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
5348 rel.r_addend = (h->root.u.def.value
5349 + h->root.u.def.section->output_section->vma
5350 + h->root.u.def.section->output_offset);
5351 }
5352 else
5353 {
5354 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5355 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_GLOB_DAT);
5356 rel.r_addend = 0;
5357 }
03a12831
AO		 5358 }
5359
0a22ae8e
NC		 5360 if (ELF32_R_TYPE (rel.r_info) != R_MN10300_NONE)
5361 {
5362 bfd_elf32_swap_reloca_out (output_bfd, &rel,
5363 (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5364 + srel->reloc_count));
5365 ++ srel->reloc_count;
5366 }
03a12831
AO		 5367 }
5368
f5385ebf 5369 if (h->needs_copy)
03a12831
AO		 5370 {
5371 asection * s;
5372 Elf_Internal_Rela rel;
5373
5374 /* This symbol needs a copy reloc. Set it up. */
5375 BFD_ASSERT (h->dynindx != -1
5376 && (h->root.type == bfd_link_hash_defined
5377 || h->root.type == bfd_link_hash_defweak));
5378
3d4d4302 5379 s = bfd_get_linker_section (dynobj, ".rela.bss");
03a12831
AO		 5380 BFD_ASSERT (s != NULL);
5381
5382 rel.r_offset = (h->root.u.def.value
5383 + h->root.u.def.section->output_section->vma
5384 + h->root.u.def.section->output_offset);
5385 rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_COPY);
5386 rel.r_addend = 0;
603b7257 5387 bfd_elf32_swap_reloca_out (output_bfd, & rel,
560e09e9
NC		 5388 (bfd_byte *) ((Elf32_External_Rela *) s->contents
5389 + s->reloc_count));
03a12831
AO		 5390 ++ s->reloc_count;
5391 }
5392
5393 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
9637f6ef 5394 if (h == elf_hash_table (info)->hdynamic
22edb2f1 5395 || h == elf_hash_table (info)->hgot)
03a12831
AO		 5396 sym->st_shndx = SHN_ABS;
5397
5398 return TRUE;
5399}
5400
5401/* Finish up the dynamic sections. */
5402
5403static bfd_boolean
603b7257
NC		 5404_bfd_mn10300_elf_finish_dynamic_sections (bfd * output_bfd,
5405 struct bfd_link_info * info)
03a12831
AO		 5406{
5407 bfd * dynobj;
5408 asection * sgot;
5409 asection * sdyn;
3d4d4302 5410 struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
03a12831 5411
3d4d4302
AM		 5412 dynobj = htab->root.dynobj;
5413 sgot = htab->root.sgotplt;
03a12831 5414 BFD_ASSERT (sgot != NULL);
3d4d4302 5415 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
03a12831
AO		 5416
5417 if (elf_hash_table (info)->dynamic_sections_created)
5418 {
5419 asection * splt;
5420 Elf32_External_Dyn * dyncon;
5421 Elf32_External_Dyn * dynconend;
5422
5423 BFD_ASSERT (sdyn != NULL);
5424
5425 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 5426 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
03a12831
AO		 5427
5428 for (; dyncon < dynconend; dyncon++)
5429 {
5430 Elf_Internal_Dyn dyn;
03a12831
AO		 5431 asection * s;
5432
5433 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
5434
5435 switch (dyn.d_tag)
5436 {
5437 default:
5438 break;
5439
5440 case DT_PLTGOT:
ce558b89 5441 s = htab->root.sgot;
03a12831
AO		 5442 goto get_vma;
5443
5444 case DT_JMPREL:
ce558b89 5445 s = htab->root.srelplt;
03a12831 5446 get_vma:
4ade44b7 5447 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
03a12831
AO		 5448 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5449 break;
5450
5451 case DT_PLTRELSZ:
ce558b89 5452 s = htab->root.srelplt;
eea6121a 5453 dyn.d_un.d_val = s->size;
03a12831
AO		 5454 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5455 break;
03a12831
AO		 5456 }
5457 }
5458
5459 /* Fill in the first entry in the procedure linkage table. */
3d4d4302 5460 splt = htab->root.splt;
eea6121a 5461 if (splt && splt->size > 0)
03a12831 5462 {
0e1862bb 5463 if (bfd_link_pic (info))
03a12831
AO		 5464 {
5465 memcpy (splt->contents, elf_mn10300_pic_plt_entry,
5466 elf_mn10300_sizeof_plt (info));
5467 }
5468 else
5469 {
5470 memcpy (splt->contents, elf_mn10300_plt0_entry, PLT0_ENTRY_SIZE);
5471 bfd_put_32 (output_bfd,
5472 sgot->output_section->vma + sgot->output_offset + 4,
5473 splt->contents + elf_mn10300_plt0_gotid_offset (info));
5474 bfd_put_32 (output_bfd,
5475 sgot->output_section->vma + sgot->output_offset + 8,
5476 splt->contents + elf_mn10300_plt0_linker_offset (info));
5477 }
5478
5479 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5480 really seem like the right value. */
5481 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
0a22ae8e
NC		 5482
5483 /* UnixWare sets the entsize of .plt to 4, but this is incorrect
5484 as it means that the size of the PLT0 section (15 bytes) is not
5485 a multiple of the sh_entsize. Some ELF tools flag this as an
5486 error. We could pad PLT0 to 16 bytes, but that would introduce
5487 compatibilty issues with previous toolchains, so instead we
5488 just set the entry size to 1. */
5489 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 1;
03a12831
AO		 5490 }
5491 }
5492
5493 /* Fill in the first three entries in the global offset table. */
eea6121a 5494 if (sgot->size > 0)
03a12831
AO		 5495 {
5496 if (sdyn == NULL)
5497 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5498 else
5499 bfd_put_32 (output_bfd,
5500 sdyn->output_section->vma + sdyn->output_offset,
5501 sgot->contents);
5502 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5503 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
5504 }
5505
5506 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5507
5508 return TRUE;
5509}
5510
a873f25a
AO		 5511/* Classify relocation types, such that combreloc can sort them
5512 properly. */
5513
5514static enum elf_reloc_type_class
7e612e98
AM		 5515_bfd_mn10300_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
5516 const asection *rel_sec ATTRIBUTE_UNUSED,
5517 const Elf_Internal_Rela *rela)
a873f25a
AO		 5518{
5519 switch ((int) ELF32_R_TYPE (rela->r_info))
5520 {
603b7257
NC		 5521 case R_MN10300_RELATIVE: return reloc_class_relative;
5522 case R_MN10300_JMP_SLOT: return reloc_class_plt;
5523 case R_MN10300_COPY: return reloc_class_copy;
5524 default: return reloc_class_normal;
a873f25a
AO		 5525 }
5526}
5527
997fbe36
NC		 5528/* Allocate space for an MN10300 extension to the bfd elf data structure. */
5529
5530static bfd_boolean
5531mn10300_elf_mkobject (bfd *abfd)
5532{
0a22ae8e 5533 return bfd_elf_allocate_object (abfd, sizeof (struct elf_mn10300_obj_tdata),
997fbe36
NC		 5534 MN10300_ELF_DATA);
5535}
5536
5537#define bfd_elf32_mkobject mn10300_elf_mkobject
5538
73c3cd1c 5539#ifndef ELF_ARCH
6d00b590 5540#define TARGET_LITTLE_SYM mn10300_elf32_vec
252b5132
RH		 5541#define TARGET_LITTLE_NAME "elf32-mn10300"
5542#define ELF_ARCH bfd_arch_mn10300
ae95ffa6 5543#define ELF_TARGET_ID MN10300_ELF_DATA
6f4514dc
AO		 5544#define ELF_MACHINE_CODE EM_MN10300
5545#define ELF_MACHINE_ALT1 EM_CYGNUS_MN10300
252b5132 5546#define ELF_MAXPAGESIZE 0x1000
73c3cd1c 5547#endif
252b5132
RH		 5548
5549#define elf_info_to_howto mn10300_info_to_howto
5550#define elf_info_to_howto_rel 0
5551#define elf_backend_can_gc_sections 1
b491616a 5552#define elf_backend_rela_normal 1
252b5132
RH		 5553#define elf_backend_check_relocs mn10300_elf_check_relocs
5554#define elf_backend_gc_mark_hook mn10300_elf_gc_mark_hook
5555#define elf_backend_relocate_section mn10300_elf_relocate_section
5556#define bfd_elf32_bfd_relax_section mn10300_elf_relax_section
5557#define bfd_elf32_bfd_get_relocated_section_contents \
5558 mn10300_elf_get_relocated_section_contents
5559#define bfd_elf32_bfd_link_hash_table_create \
5560 elf32_mn10300_link_hash_table_create
5561
73c3cd1c 5562#ifndef elf_symbol_leading_char
252b5132 5563#define elf_symbol_leading_char '_'
73c3cd1c 5564#endif
252b5132
RH		 5565
5566/* So we can set bits in e_flags. */
5567#define elf_backend_final_write_processing \
3b36f7e6
AM		 5568 _bfd_mn10300_elf_final_write_processing
5569#define elf_backend_object_p _bfd_mn10300_elf_object_p
252b5132
RH		 5570
5571#define bfd_elf32_bfd_merge_private_bfd_data \
3b36f7e6 5572 _bfd_mn10300_elf_merge_private_bfd_data
252b5132 5573
03a12831
AO		 5574#define elf_backend_can_gc_sections 1
5575#define elf_backend_create_dynamic_sections \
5576 _bfd_mn10300_elf_create_dynamic_sections
5577#define elf_backend_adjust_dynamic_symbol \
5578 _bfd_mn10300_elf_adjust_dynamic_symbol
5579#define elf_backend_size_dynamic_sections \
5580 _bfd_mn10300_elf_size_dynamic_sections
74541ad4
AM		 5581#define elf_backend_omit_section_dynsym \
5582 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
03a12831
AO		 5583#define elf_backend_finish_dynamic_symbol \
5584 _bfd_mn10300_elf_finish_dynamic_symbol
5585#define elf_backend_finish_dynamic_sections \
5586 _bfd_mn10300_elf_finish_dynamic_sections
0a22ae8e
NC		 5587#define elf_backend_copy_indirect_symbol \
5588 _bfd_mn10300_copy_indirect_symbol
a873f25a
AO		 5589#define elf_backend_reloc_type_class \
5590 _bfd_mn10300_elf_reloc_type_class
5591
03a12831
AO		 5592#define elf_backend_want_got_plt 1
5593#define elf_backend_plt_readonly 1
5594#define elf_backend_want_plt_sym 0
5595#define elf_backend_got_header_size 12
64f52338 5596#define elf_backend_dtrel_excludes_plt 1
03a12831 5597
252b5132 5598#include "elf32-target.h"
GDB Binutils - Deliverables
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