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[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
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ef230218 1/* Renesas / SuperH SH specific support for 32-bit ELF
b3adc24a 2 Copyright (C) 1996-2020 Free Software Foundation, Inc.
252b5132
RH
3 Contributed by Ian Lance Taylor, Cygnus Support.
4
571fe01f 5 This file is part of BFD, the Binary File Descriptor library.
252b5132 6
571fe01f
NC
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
cd123cb7 9 the Free Software Foundation; either version 3 of the License, or
571fe01f 10 (at your option) any later version.
252b5132 11
571fe01f
NC
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
252b5132 16
571fe01f
NC
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
cd123cb7
NC
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
252b5132 21
252b5132 22#include "sysdep.h"
3db64b00 23#include "bfd.h"
252b5132
RH
24#include "bfdlink.h"
25#include "libbfd.h"
26#include "elf-bfd.h"
55e6e397 27#include "elf-vxworks.h"
252b5132 28#include "elf/sh.h"
8e45593f 29#include "dwarf2.h"
f6f9408f 30#include "libiberty.h"
871ec896 31#include "../opcodes/sh-opc.h"
252b5132 32
bb294208
AM
33/* All users of this file have bfd_octets_per_byte (abfd, sec) == 1. */
34#define OCTETS_PER_BYTE(ABFD, SEC) 1
35
252b5132 36static bfd_reloc_status_type sh_elf_reloc
09fd220b 37 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
252b5132 38static bfd_reloc_status_type sh_elf_ignore_reloc
09fd220b 39 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
b34976b6 40static bfd_boolean sh_elf_relax_delete_bytes
09fd220b 41 (bfd *, asection *, bfd_vma, int);
b34976b6 42static bfd_boolean sh_elf_align_loads
09fd220b 43 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
b34976b6 44static bfd_boolean sh_elf_swap_insns
09fd220b 45 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
3376eaf5 46static int sh_elf_optimized_tls_reloc
09fd220b 47 (struct bfd_link_info *, int, int);
3376eaf5 48static bfd_vma dtpoff_base
09fd220b 49 (struct bfd_link_info *);
267fb3c1 50static bfd_vma tpoff
09fd220b 51 (struct bfd_link_info *, bfd_vma);
37c644f2
AO
52
53/* The name of the dynamic interpreter. This is put in the .interp
54 section. */
55
56#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
252b5132 57
8e45593f
NC
58/* FDPIC binaries have a default 128K stack. */
59#define DEFAULT_STACK_SIZE 0x20000
60
55e6e397 61#define MINUS_ONE ((bfd_vma) 0 - 1)
8e45593f
NC
62
63/* Decide whether a reference to a symbol can be resolved locally or
64 not. If the symbol is protected, we want the local address, but
65 its function descriptor must be assigned by the dynamic linker. */
66#define SYMBOL_FUNCDESC_LOCAL(INFO, H) \
67 (SYMBOL_REFERENCES_LOCAL (INFO, H) \
68 || ! elf_hash_table (INFO)->dynamic_sections_created)
55e6e397
RS
69\f
70#define SH_PARTIAL32 TRUE
71#define SH_SRC_MASK32 0xffffffff
72#define SH_ELF_RELOC sh_elf_reloc
38b1a46c
NC
73static reloc_howto_type sh_elf_howto_table[] =
74{
55e6e397
RS
75#include "elf32-sh-relocs.h"
76};
fbca6ad9 77
55e6e397
RS
78#define SH_PARTIAL32 FALSE
79#define SH_SRC_MASK32 0
80#define SH_ELF_RELOC bfd_elf_generic_reloc
81static reloc_howto_type sh_vxworks_howto_table[] =
82{
83#include "elf32-sh-relocs.h"
84};
85\f
86/* Return true if OUTPUT_BFD is a VxWorks object. */
fbca6ad9 87
55e6e397 88static bfd_boolean
527a23b8 89vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
55e6e397 90{
211dc24b 91#if !defined SH_TARGET_ALREADY_DEFINED
6d00b590
AM
92 extern const bfd_target sh_elf32_vxworks_le_vec;
93 extern const bfd_target sh_elf32_vxworks_vec;
fbca6ad9 94
6d00b590
AM
95 return (abfd->xvec == &sh_elf32_vxworks_le_vec
96 || abfd->xvec == &sh_elf32_vxworks_vec);
527a23b8
NC
97#else
98 return FALSE;
99#endif
55e6e397 100}
fbca6ad9 101
8e45593f
NC
102/* Return true if OUTPUT_BFD is an FDPIC object. */
103
104static bfd_boolean
105fdpic_object_p (bfd *abfd ATTRIBUTE_UNUSED)
106{
211dc24b 107#if !defined SH_TARGET_ALREADY_DEFINED
6d00b590
AM
108 extern const bfd_target sh_elf32_fdpic_le_vec;
109 extern const bfd_target sh_elf32_fdpic_be_vec;
8e45593f 110
6d00b590
AM
111 return (abfd->xvec == &sh_elf32_fdpic_le_vec
112 || abfd->xvec == &sh_elf32_fdpic_be_vec);
8e45593f
NC
113#else
114 return FALSE;
115#endif
116}
117
55e6e397 118/* Return the howto table for ABFD. */
fbca6ad9 119
55e6e397
RS
120static reloc_howto_type *
121get_howto_table (bfd *abfd)
122{
123 if (vxworks_object_p (abfd))
124 return sh_vxworks_howto_table;
125 return sh_elf_howto_table;
126}
252b5132 127
015551fc 128static bfd_reloc_status_type
09fd220b
KK
129sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
130 asection *input_section, bfd_byte *contents,
131 bfd_vma addr, asection *symbol_section,
132 bfd_vma start, bfd_vma end)
015551fc
JR
133{
134 static bfd_vma last_addr;
00fdaf47 135 static asection *last_symbol_section;
015551fc
JR
136 bfd_byte *start_ptr, *ptr, *last_ptr;
137 int diff, cum_diff;
138 bfd_signed_vma x;
139 int insn;
140
141 /* Sanity check the address. */
07515404 142 if (addr > bfd_get_section_limit (input_bfd, input_section))
015551fc
JR
143 return bfd_reloc_outofrange;
144
145 /* We require the start and end relocations to be processed consecutively -
146 although we allow then to be processed forwards or backwards. */
147 if (! last_addr)
148 {
149 last_addr = addr;
150 last_symbol_section = symbol_section;
151 return bfd_reloc_ok;
152 }
153 if (last_addr != addr)
154 abort ();
155 last_addr = 0;
156
157 if (! symbol_section || last_symbol_section != symbol_section || end < start)
158 return bfd_reloc_outofrange;
159
160 /* Get the symbol_section contents. */
161 if (symbol_section != input_section)
162 {
163 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
164 contents = elf_section_data (symbol_section)->this_hdr.contents;
165 else
166 {
eea6121a
AM
167 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
168 &contents))
015551fc 169 {
eea6121a
AM
170 if (contents != NULL)
171 free (contents);
015551fc
JR
172 return bfd_reloc_outofrange;
173 }
174 }
175 }
176#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
177 start_ptr = contents + start;
178 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
179 {
180 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
181 ptr -= 2;
182 ptr += 2;
61ff1804 183 diff = (last_ptr - ptr) >> 1;
015551fc
JR
184 cum_diff += diff & 1;
185 cum_diff += diff;
186 }
187 /* Calculate the start / end values to load into rs / re minus four -
188 so that will cancel out the four we would otherwise have to add to
189 addr to get the value to subtract in order to get relative addressing. */
190 if (cum_diff >= 0)
191 {
192 start -= 4;
193 end = (ptr + cum_diff * 2) - contents;
194 }
195 else
196 {
197 bfd_vma start0 = start - 4;
198
a0fc8ba1 199 while (start0 && IS_PPI (contents + start0))
015551fc
JR
200 start0 -= 2;
201 start0 = start - 2 - ((start - start0) & 2);
202 start = start0 - cum_diff - 2;
203 end = start0;
204 }
205
6cdc0ccc
AM
206 if (contents != NULL
207 && elf_section_data (symbol_section)->this_hdr.contents != contents)
208 free (contents);
015551fc
JR
209
210 insn = bfd_get_16 (input_bfd, contents + addr);
211
212 x = (insn & 0x200 ? end : start) - addr;
213 if (input_section != symbol_section)
214 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
215 - (input_section->output_section->vma
216 + input_section->output_offset));
217 x >>= 1;
218 if (x < -128 || x > 127)
219 return bfd_reloc_overflow;
220
61ff1804 221 x = (insn & ~0xff) | (x & 0xff);
dc810e39 222 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
015551fc
JR
223
224 return bfd_reloc_ok;
225}
226
227/* This function is used for normal relocs. This used to be like the COFF
252b5132
RH
228 function, and is almost certainly incorrect for other ELF targets. */
229
230static bfd_reloc_status_type
09fd220b
KK
231sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
232 void *data, asection *input_section, bfd *output_bfd,
233 char **error_message ATTRIBUTE_UNUSED)
252b5132 234{
96e2dbda 235 bfd_vma insn;
252b5132
RH
236 bfd_vma sym_value;
237 enum elf_sh_reloc_type r_type;
238 bfd_vma addr = reloc_entry->address;
bb294208
AM
239 bfd_size_type octets = addr * OCTETS_PER_BYTE (abfd, input_section);
240 bfd_byte *hit_data = (bfd_byte *) data + octets;
252b5132
RH
241
242 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
243
244 if (output_bfd != NULL)
245 {
246 /* Partial linking--do nothing. */
247 reloc_entry->address += input_section->output_offset;
248 return bfd_reloc_ok;
249 }
250
251 /* Almost all relocs have to do with relaxing. If any work must be
252 done for them, it has been done in sh_relax_section. */
015551fc 253 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
252b5132
RH
254 return bfd_reloc_ok;
255
256 if (symbol_in != NULL
257 && bfd_is_und_section (symbol_in->section))
258 return bfd_reloc_undefined;
259
cd21f5da 260 /* PR 17512: file: 9891ca98. */
bb294208 261 if (octets + bfd_get_reloc_size (reloc_entry->howto)
6346d5ca 262 > bfd_get_section_limit_octets (abfd, input_section))
cd21f5da
NC
263 return bfd_reloc_outofrange;
264
252b5132 265 if (bfd_is_com_section (symbol_in->section))
435b1e90
KH
266 sym_value = 0;
267 else
252b5132
RH
268 sym_value = (symbol_in->value +
269 symbol_in->section->output_section->vma +
270 symbol_in->section->output_offset);
271
272 switch (r_type)
273 {
274 case R_SH_DIR32:
275 insn = bfd_get_32 (abfd, hit_data);
276 insn += sym_value + reloc_entry->addend;
96e2dbda 277 bfd_put_32 (abfd, insn, hit_data);
252b5132
RH
278 break;
279 case R_SH_IND12W:
280 insn = bfd_get_16 (abfd, hit_data);
281 sym_value += reloc_entry->addend;
282 sym_value -= (input_section->output_section->vma
283 + input_section->output_offset
284 + addr
285 + 4);
96e2dbda
AM
286 sym_value += (((insn & 0xfff) ^ 0x800) - 0x800) << 1;
287 insn = (insn & 0xf000) | ((sym_value >> 1) & 0xfff);
288 bfd_put_16 (abfd, insn, hit_data);
289 if (sym_value + 0x1000 >= 0x2000 || (sym_value & 1) != 0)
252b5132
RH
290 return bfd_reloc_overflow;
291 break;
292 default:
293 abort ();
294 break;
295 }
296
297 return bfd_reloc_ok;
298}
299
300/* This function is used for relocs which are only used for relaxing,
301 which the linker should otherwise ignore. */
302
303static bfd_reloc_status_type
09fd220b
KK
304sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
305 asymbol *symbol ATTRIBUTE_UNUSED,
306 void *data ATTRIBUTE_UNUSED, asection *input_section,
307 bfd *output_bfd,
308 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
309{
310 if (output_bfd != NULL)
311 reloc_entry->address += input_section->output_offset;
312 return bfd_reloc_ok;
313}
314
315/* This structure is used to map BFD reloc codes to SH ELF relocs. */
316
38b1a46c
NC
317struct elf_reloc_map
318{
252b5132
RH
319 bfd_reloc_code_real_type bfd_reloc_val;
320 unsigned char elf_reloc_val;
321};
322
323/* An array mapping BFD reloc codes to SH ELF relocs. */
324
38b1a46c
NC
325static const struct elf_reloc_map sh_reloc_map[] =
326{
252b5132
RH
327 { BFD_RELOC_NONE, R_SH_NONE },
328 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
329 { BFD_RELOC_16, R_SH_DIR16 },
330 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
331 { BFD_RELOC_CTOR, R_SH_DIR32 },
332 { BFD_RELOC_32_PCREL, R_SH_REL32 },
333 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
334 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
335 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
336 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
337 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
338 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
339 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
340 { BFD_RELOC_SH_USES, R_SH_USES },
341 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
342 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
343 { BFD_RELOC_SH_CODE, R_SH_CODE },
344 { BFD_RELOC_SH_DATA, R_SH_DATA },
345 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
346 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
347 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
348 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
349 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
350 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
351 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
352 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
353 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
354 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
355 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
356 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
357 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
358 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
359 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
360 { BFD_RELOC_SH_COPY, R_SH_COPY },
361 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
362 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
363 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
364 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
365 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9 366 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
8e45593f
NC
367 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
368 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
369 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
370 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
371 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
372 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
373 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
252b5132
RH
374};
375
376/* Given a BFD reloc code, return the howto structure for the
55e6e397 377 corresponding SH ELF reloc. */
252b5132
RH
378
379static reloc_howto_type *
55e6e397 380sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
381{
382 unsigned int i;
383
384 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
385 {
386 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 387 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
388 }
389
390 return NULL;
391}
392
157090f7
AM
393static reloc_howto_type *
394sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
395{
396 unsigned int i;
397
398 if (vxworks_object_p (abfd))
399 {
400 for (i = 0;
401 i < (sizeof (sh_vxworks_howto_table)
402 / sizeof (sh_vxworks_howto_table[0]));
403 i++)
404 if (sh_vxworks_howto_table[i].name != NULL
405 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
406 return &sh_vxworks_howto_table[i];
407 }
408 else
409 {
410 for (i = 0;
411 i < (sizeof (sh_elf_howto_table)
412 / sizeof (sh_elf_howto_table[0]));
413 i++)
414 if (sh_elf_howto_table[i].name != NULL
415 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
416 return &sh_elf_howto_table[i];
417 }
418
419 return NULL;
420}
421
252b5132
RH
422/* Given an ELF reloc, fill in the howto field of a relent. */
423
f3185997 424static bfd_boolean
55e6e397 425sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
426{
427 unsigned int r;
428
429 r = ELF32_R_TYPE (dst->r_info);
430
cd21f5da
NC
431 if (r >= R_SH_max
432 || (r >= R_SH_FIRST_INVALID_RELOC && r <= R_SH_LAST_INVALID_RELOC)
433 || (r >= R_SH_FIRST_INVALID_RELOC_2 && r <= R_SH_LAST_INVALID_RELOC_2)
434 || (r >= R_SH_FIRST_INVALID_RELOC_3 && r <= R_SH_LAST_INVALID_RELOC_3)
435 || (r >= R_SH_FIRST_INVALID_RELOC_4 && r <= R_SH_LAST_INVALID_RELOC_4)
436 || (r >= R_SH_FIRST_INVALID_RELOC_5 && r <= R_SH_LAST_INVALID_RELOC_5)
437 || (r >= R_SH_FIRST_INVALID_RELOC_6 && r <= R_SH_LAST_INVALID_RELOC_6))
438 {
695344c0 439 /* xgettext:c-format */
0aa13fee 440 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
4eca0228 441 abfd, r);
cd21f5da 442 bfd_set_error (bfd_error_bad_value);
f3185997 443 return FALSE;
cd21f5da 444 }
252b5132 445
55e6e397 446 cache_ptr->howto = get_howto_table (abfd) + r;
f3185997 447 return TRUE;
252b5132
RH
448}
449\f
450/* This function handles relaxing for SH ELF. See the corresponding
451 function in coff-sh.c for a description of what this does. FIXME:
452 There is a lot of duplication here between this code and the COFF
453 specific code. The format of relocs and symbols is wound deeply
454 into this code, but it would still be better if the duplication
455 could be eliminated somehow. Note in particular that although both
456 functions use symbols like R_SH_CODE, those symbols have different
457 values; in coff-sh.c they come from include/coff/sh.h, whereas here
458 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
459
b34976b6 460static bfd_boolean
09fd220b
KK
461sh_elf_relax_section (bfd *abfd, asection *sec,
462 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
463{
464 Elf_Internal_Shdr *symtab_hdr;
465 Elf_Internal_Rela *internal_relocs;
b34976b6 466 bfd_boolean have_code;
252b5132
RH
467 Elf_Internal_Rela *irel, *irelend;
468 bfd_byte *contents = NULL;
6cdc0ccc 469 Elf_Internal_Sym *isymbuf = NULL;
252b5132 470
b34976b6 471 *again = FALSE;
252b5132 472
0e1862bb 473 if (bfd_link_relocatable (link_info)
252b5132
RH
474 || (sec->flags & SEC_RELOC) == 0
475 || sec->reloc_count == 0)
b34976b6 476 return TRUE;
252b5132 477
0ffa91dd 478 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 479
45d6a902 480 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 481 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
482 link_info->keep_memory));
483 if (internal_relocs == NULL)
484 goto error_return;
252b5132 485
b34976b6 486 have_code = FALSE;
252b5132
RH
487
488 irelend = internal_relocs + sec->reloc_count;
489 for (irel = internal_relocs; irel < irelend; irel++)
490 {
491 bfd_vma laddr, paddr, symval;
492 unsigned short insn;
493 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
494 bfd_signed_vma foff;
495
496 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 497 have_code = TRUE;
252b5132
RH
498
499 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
500 continue;
501
502 /* Get the section contents. */
503 if (contents == NULL)
504 {
505 if (elf_section_data (sec)->this_hdr.contents != NULL)
506 contents = elf_section_data (sec)->this_hdr.contents;
507 else
508 {
eea6121a 509 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
510 goto error_return;
511 }
512 }
513
514 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
515 the register load. The 4 is because the r_addend field is
516 computed as though it were a jump offset, which are based
517 from 4 bytes after the jump instruction. */
252b5132 518 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 519 if (laddr >= sec->size)
252b5132 520 {
695344c0 521 /* xgettext:c-format */
2dcf00ce
AM
522 _bfd_error_handler
523 (_("%pB: %#" PRIx64 ": warning: bad R_SH_USES offset"),
524 abfd, (uint64_t) irel->r_offset);
252b5132
RH
525 continue;
526 }
527 insn = bfd_get_16 (abfd, contents + laddr);
528
529 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 530 do. */
252b5132
RH
531 if ((insn & 0xf000) != 0xd000)
532 {
4eca0228 533 _bfd_error_handler
695344c0 534 /* xgettext:c-format */
2dcf00ce
AM
535 (_("%pB: %#" PRIx64 ": warning: "
536 "R_SH_USES points to unrecognized insn 0x%x"),
537 abfd, (uint64_t) irel->r_offset, insn);
252b5132
RH
538 continue;
539 }
540
541 /* Get the address from which the register is being loaded. The
99e4ae17
AJ
542 displacement in the mov.l instruction is quadrupled. It is a
543 displacement from four bytes after the movl instruction, but,
544 before adding in the PC address, two least significant bits
545 of the PC are cleared. We assume that the section is aligned
546 on a four byte boundary. */
252b5132
RH
547 paddr = insn & 0xff;
548 paddr *= 4;
dc810e39 549 paddr += (laddr + 4) &~ (bfd_vma) 3;
eea6121a 550 if (paddr >= sec->size)
252b5132 551 {
4eca0228 552 _bfd_error_handler
695344c0 553 /* xgettext:c-format */
2dcf00ce
AM
554 (_("%pB: %#" PRIx64 ": warning: bad R_SH_USES load offset"),
555 abfd, (uint64_t) irel->r_offset);
252b5132
RH
556 continue;
557 }
558
559 /* Get the reloc for the address from which the register is
067653c5
AM
560 being loaded. This reloc will tell us which function is
561 actually being called. */
252b5132
RH
562 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
563 if (irelfn->r_offset == paddr
564 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
565 break;
566 if (irelfn >= irelend)
567 {
4eca0228 568 _bfd_error_handler
695344c0 569 /* xgettext:c-format */
2dcf00ce
AM
570 (_("%pB: %#" PRIx64 ": warning: could not find expected reloc"),
571 abfd, (uint64_t) paddr);
252b5132
RH
572 continue;
573 }
574
575 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 576 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 577 {
6cdc0ccc
AM
578 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
579 if (isymbuf == NULL)
580 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
581 symtab_hdr->sh_info, 0,
582 NULL, NULL, NULL);
583 if (isymbuf == NULL)
584 goto error_return;
252b5132
RH
585 }
586
587 /* Get the value of the symbol referred to by the reloc. */
588 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
589 {
9ad5cbcf 590 /* A local symbol. */
6cdc0ccc 591 Elf_Internal_Sym *isym;
252b5132 592
6cdc0ccc
AM
593 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
594 if (isym->st_shndx
d426c6b0 595 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132 596 {
4eca0228 597 _bfd_error_handler
695344c0 598 /* xgettext:c-format */
2dcf00ce
AM
599 (_("%pB: %#" PRIx64 ": warning: symbol in unexpected section"),
600 abfd, (uint64_t) paddr);
252b5132
RH
601 continue;
602 }
603
6cdc0ccc 604 symval = (isym->st_value
252b5132
RH
605 + sec->output_section->vma
606 + sec->output_offset);
607 }
608 else
609 {
610 unsigned long indx;
611 struct elf_link_hash_entry *h;
612
613 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
614 h = elf_sym_hashes (abfd)[indx];
615 BFD_ASSERT (h != NULL);
616 if (h->root.type != bfd_link_hash_defined
617 && h->root.type != bfd_link_hash_defweak)
618 {
619 /* This appears to be a reference to an undefined
067653c5
AM
620 symbol. Just ignore it--it will be caught by the
621 regular reloc processing. */
252b5132
RH
622 continue;
623 }
624
625 symval = (h->root.u.def.value
626 + h->root.u.def.section->output_section->vma
627 + h->root.u.def.section->output_offset);
628 }
629
55e6e397
RS
630 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
631 symval += bfd_get_32 (abfd, contents + paddr);
632 else
633 symval += irelfn->r_addend;
252b5132
RH
634
635 /* See if this function call can be shortened. */
636 foff = (symval
637 - (irel->r_offset
638 + sec->output_section->vma
639 + sec->output_offset
640 + 4));
f725025b
DD
641 /* A branch to an address beyond ours might be increased by an
642 .align that doesn't move when bytes behind us are deleted.
643 So, we add some slop in this calculation to allow for
644 that. */
645 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
646 {
647 /* After all that work, we can't shorten this function call. */
648 continue;
649 }
650
651 /* Shorten the function call. */
652
653 /* For simplicity of coding, we are going to modify the section
654 contents, the section relocs, and the BFD symbol table. We
655 must tell the rest of the code not to free up this
656 information. It would be possible to instead create a table
657 of changes which have to be made, as is done in coff-mips.c;
658 that would be more work, but would require less memory when
659 the linker is run. */
660
661 elf_section_data (sec)->relocs = internal_relocs;
252b5132 662 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 663 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 664
8c784016 665 /* Replace the jmp/jsr with a bra/bsr. */
252b5132
RH
666
667 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
8c784016 668 replace the jmp/jsr with a bra/bsr. */
252b5132 669 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
670 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
671 here, but that only checks if the symbol is an external symbol,
672 not if the symbol is in a different section. Besides, we need
673 a consistent meaning for the relocation, so we just assume here that
674 the value of the symbol is not available. */
0e71e495
BE
675
676 /* We can't fully resolve this yet, because the external
677 symbol value may be changed by future relaxing. We let
678 the final link phase handle it. */
8c784016
KK
679 if (bfd_get_16 (abfd, contents + irel->r_offset) & 0x0020)
680 bfd_put_16 (abfd, (bfd_vma) 0xa000, contents + irel->r_offset);
681 else
682 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
0e71e495 683
bdfaef52 684 irel->r_addend = -4;
252b5132 685
f725025b
DD
686 /* When we calculated the symbol "value" we had an offset in the
687 DIR32's word in memory (we read and add it above). However,
688 the jsr we create does NOT have this offset encoded, so we
689 have to add it to the addend to preserve it. */
690 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
691
252b5132 692 /* See if there is another R_SH_USES reloc referring to the same
067653c5 693 register load. */
252b5132
RH
694 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
695 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
696 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
697 break;
698 if (irelscan < irelend)
699 {
700 /* Some other function call depends upon this register load,
701 and we have not yet converted that function call.
702 Indeed, we may never be able to convert it. There is
703 nothing else we can do at this point. */
704 continue;
705 }
706
707 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
708 function address is stored. Do this before deleting any
709 bytes, to avoid confusion about the address. */
252b5132
RH
710 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
711 if (irelcount->r_offset == paddr
712 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
713 break;
714
715 /* Delete the register load. */
716 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
717 goto error_return;
718
719 /* That will change things, so, just in case it permits some
067653c5
AM
720 other function call to come within range, we should relax
721 again. Note that this is not required, and it may be slow. */
b34976b6 722 *again = TRUE;
252b5132
RH
723
724 /* Now check whether we got a COUNT reloc. */
725 if (irelcount >= irelend)
726 {
4eca0228 727 _bfd_error_handler
695344c0 728 /* xgettext:c-format */
2dcf00ce
AM
729 (_("%pB: %#" PRIx64 ": warning: "
730 "could not find expected COUNT reloc"),
731 abfd, (uint64_t) paddr);
252b5132
RH
732 continue;
733 }
734
735 /* The number of uses is stored in the r_addend field. We've
067653c5 736 just deleted one. */
252b5132
RH
737 if (irelcount->r_addend == 0)
738 {
695344c0 739 /* xgettext:c-format */
2dcf00ce
AM
740 _bfd_error_handler (_("%pB: %#" PRIx64 ": warning: bad count"),
741 abfd, (uint64_t) paddr);
252b5132
RH
742 continue;
743 }
744
745 --irelcount->r_addend;
746
747 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
748 the address from irelfn, in case it was changed by the
749 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
750 if (irelcount->r_addend == 0)
751 {
752 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
753 goto error_return;
754 }
755
756 /* We've done all we can with that function call. */
757 }
758
759 /* Look for load and store instructions that we can align on four
760 byte boundaries. */
bdfaef52
JR
761 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
762 && have_code)
252b5132 763 {
b34976b6 764 bfd_boolean swapped;
252b5132
RH
765
766 /* Get the section contents. */
767 if (contents == NULL)
768 {
769 if (elf_section_data (sec)->this_hdr.contents != NULL)
770 contents = elf_section_data (sec)->this_hdr.contents;
771 else
772 {
eea6121a 773 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
774 goto error_return;
775 }
776 }
777
778 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
779 &swapped))
780 goto error_return;
781
782 if (swapped)
783 {
784 elf_section_data (sec)->relocs = internal_relocs;
252b5132 785 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 786 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
787 }
788 }
789
6cdc0ccc
AM
790 if (isymbuf != NULL
791 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
792 {
793 if (! link_info->keep_memory)
6cdc0ccc 794 free (isymbuf);
252b5132
RH
795 else
796 {
6cdc0ccc
AM
797 /* Cache the symbols for elf_link_input_bfd. */
798 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 799 }
9ad5cbcf
AM
800 }
801
6cdc0ccc
AM
802 if (contents != NULL
803 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
804 {
805 if (! link_info->keep_memory)
6cdc0ccc
AM
806 free (contents);
807 else
252b5132 808 {
6cdc0ccc
AM
809 /* Cache the section contents for elf_link_input_bfd. */
810 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 811 }
252b5132
RH
812 }
813
6cdc0ccc
AM
814 if (internal_relocs != NULL
815 && elf_section_data (sec)->relocs != internal_relocs)
816 free (internal_relocs);
817
b34976b6 818 return TRUE;
252b5132
RH
819
820 error_return:
6cdc0ccc
AM
821 if (isymbuf != NULL
822 && symtab_hdr->contents != (unsigned char *) isymbuf)
823 free (isymbuf);
824 if (contents != NULL
825 && elf_section_data (sec)->this_hdr.contents != contents)
826 free (contents);
827 if (internal_relocs != NULL
828 && elf_section_data (sec)->relocs != internal_relocs)
829 free (internal_relocs);
9ad5cbcf 830
b34976b6 831 return FALSE;
252b5132
RH
832}
833
834/* Delete some bytes from a section while relaxing. FIXME: There is a
835 lot of duplication between this function and sh_relax_delete_bytes
836 in coff-sh.c. */
837
b34976b6 838static bfd_boolean
09fd220b
KK
839sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
840 int count)
252b5132
RH
841{
842 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 843 unsigned int sec_shndx;
252b5132
RH
844 bfd_byte *contents;
845 Elf_Internal_Rela *irel, *irelend;
846 Elf_Internal_Rela *irelalign;
847 bfd_vma toaddr;
6cdc0ccc 848 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
849 struct elf_link_hash_entry **sym_hashes;
850 struct elf_link_hash_entry **end_hashes;
851 unsigned int symcount;
252b5132
RH
852 asection *o;
853
0ffa91dd 854 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 855 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
856
857 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
858
859 contents = elf_section_data (sec)->this_hdr.contents;
860
de194d85 861 /* The deletion must stop at the next ALIGN reloc for an alignment
252b5132
RH
862 power larger than the number of bytes we are deleting. */
863
864 irelalign = NULL;
eea6121a 865 toaddr = sec->size;
252b5132
RH
866
867 irel = elf_section_data (sec)->relocs;
868 irelend = irel + sec->reloc_count;
869 for (; irel < irelend; irel++)
870 {
871 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
872 && irel->r_offset > addr
873 && count < (1 << irel->r_addend))
874 {
875 irelalign = irel;
876 toaddr = irel->r_offset;
877 break;
878 }
879 }
880
881 /* Actually delete the bytes. */
dc810e39
AM
882 memmove (contents + addr, contents + addr + count,
883 (size_t) (toaddr - addr - count));
252b5132 884 if (irelalign == NULL)
eea6121a 885 sec->size -= count;
252b5132
RH
886 else
887 {
888 int i;
889
890#define NOP_OPCODE (0x0009)
891
892 BFD_ASSERT ((count & 1) == 0);
893 for (i = 0; i < count; i += 2)
dc810e39 894 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
895 }
896
897 /* Adjust all the relocs. */
898 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
899 {
900 bfd_vma nraddr, stop;
901 bfd_vma start = 0;
902 int insn = 0;
252b5132
RH
903 int off, adjust, oinsn;
904 bfd_signed_vma voff = 0;
b34976b6 905 bfd_boolean overflow;
252b5132
RH
906
907 /* Get the new reloc address. */
908 nraddr = irel->r_offset;
909 if ((irel->r_offset > addr
910 && irel->r_offset < toaddr)
911 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
912 && irel->r_offset == toaddr))
913 nraddr -= count;
914
915 /* See if this reloc was for the bytes we have deleted, in which
916 case we no longer care about it. Don't delete relocs which
917 represent addresses, though. */
918 if (irel->r_offset >= addr
919 && irel->r_offset < addr + count
920 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
921 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
922 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
923 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
924 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
925 (int) R_SH_NONE);
926
927 /* If this is a PC relative reloc, see if the range it covers
067653c5 928 includes the bytes we have deleted. */
252b5132
RH
929 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
930 {
931 default:
932 break;
933
934 case R_SH_DIR8WPN:
935 case R_SH_IND12W:
936 case R_SH_DIR8WPZ:
937 case R_SH_DIR8WPL:
938 start = irel->r_offset;
939 insn = bfd_get_16 (abfd, contents + nraddr);
940 break;
941 }
942
943 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
944 {
945 default:
946 start = stop = addr;
947 break;
948
949 case R_SH_DIR32:
950 /* If this reloc is against a symbol defined in this
067653c5
AM
951 section, and the symbol will not be adjusted below, we
952 must check the addend to see it will put the value in
953 range to be adjusted, and hence must be changed. */
252b5132
RH
954 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
955 {
6cdc0ccc
AM
956 isym = isymbuf + ELF32_R_SYM (irel->r_info);
957 if (isym->st_shndx == sec_shndx
958 && (isym->st_value <= addr
959 || isym->st_value >= toaddr))
252b5132
RH
960 {
961 bfd_vma val;
962
55e6e397
RS
963 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
964 {
965 val = bfd_get_32 (abfd, contents + nraddr);
966 val += isym->st_value;
967 if (val > addr && val < toaddr)
968 bfd_put_32 (abfd, val - count, contents + nraddr);
969 }
970 else
971 {
972 val = isym->st_value + irel->r_addend;
973 if (val > addr && val < toaddr)
974 irel->r_addend -= count;
975 }
252b5132
RH
976 }
977 }
978 start = stop = addr;
979 break;
980
981 case R_SH_DIR8WPN:
982 off = insn & 0xff;
983 if (off & 0x80)
984 off -= 0x100;
985 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
986 break;
987
988 case R_SH_IND12W:
bdfaef52
JR
989 off = insn & 0xfff;
990 if (! off)
991 {
992 /* This has been made by previous relaxation. Since the
993 relocation will be against an external symbol, the
994 final relocation will just do the right thing. */
995 start = stop = addr;
996 }
252b5132
RH
997 else
998 {
252b5132
RH
999 if (off & 0x800)
1000 off -= 0x1000;
1001 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
1002
1003 /* The addend will be against the section symbol, thus
1004 for adjusting the addend, the relevant start is the
1005 start of the section.
4cc11e76 1006 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1007 test directly using symbol + addend, we have to take into
1008 account that the addend has already been adjusted by -4. */
1009 if (stop > addr && stop < toaddr)
1010 irel->r_addend -= count;
252b5132
RH
1011 }
1012 break;
1013
1014 case R_SH_DIR8WPZ:
1015 off = insn & 0xff;
1016 stop = start + 4 + off * 2;
1017 break;
1018
1019 case R_SH_DIR8WPL:
1020 off = insn & 0xff;
435b1e90 1021 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1022 break;
1023
1024 case R_SH_SWITCH8:
1025 case R_SH_SWITCH16:
1026 case R_SH_SWITCH32:
1027 /* These relocs types represent
1028 .word L2-L1
06e1ba78 1029 The r_addend field holds the difference between the reloc
252b5132
RH
1030 address and L1. That is the start of the reloc, and
1031 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1032 both the r_offset field and the section contents.
1033 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1034 and the elf bfd r_offset is called r_vaddr. */
252b5132 1035
06e1ba78
JR
1036 stop = irel->r_offset;
1037 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1038
1039 if (start > addr
1040 && start < toaddr
1041 && (stop <= addr || stop >= toaddr))
1042 irel->r_addend += count;
1043 else if (stop > addr
1044 && stop < toaddr
1045 && (start <= addr || start >= toaddr))
1046 irel->r_addend -= count;
1047
252b5132
RH
1048 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1049 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1050 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1051 voff = bfd_get_8 (abfd, contents + nraddr);
1052 else
1053 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1054 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1055
1056 break;
1057
1058 case R_SH_USES:
1059 start = irel->r_offset;
1060 stop = (bfd_vma) ((bfd_signed_vma) start
1061 + (long) irel->r_addend
1062 + 4);
1063 break;
1064 }
1065
1066 if (start > addr
1067 && start < toaddr
1068 && (stop <= addr || stop >= toaddr))
1069 adjust = count;
1070 else if (stop > addr
1071 && stop < toaddr
1072 && (start <= addr || start >= toaddr))
1073 adjust = - count;
1074 else
1075 adjust = 0;
1076
1077 if (adjust != 0)
1078 {
1079 oinsn = insn;
b34976b6 1080 overflow = FALSE;
252b5132
RH
1081 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1082 {
1083 default:
1084 abort ();
1085 break;
1086
1087 case R_SH_DIR8WPN:
1088 case R_SH_DIR8WPZ:
1089 insn += adjust / 2;
1090 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1091 overflow = TRUE;
dc810e39 1092 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1093 break;
1094
1095 case R_SH_IND12W:
1096 insn += adjust / 2;
1097 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1098 overflow = TRUE;
dc810e39 1099 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1100 break;
1101
1102 case R_SH_DIR8WPL:
1103 BFD_ASSERT (adjust == count || count >= 4);
1104 if (count >= 4)
1105 insn += adjust / 4;
1106 else
1107 {
1108 if ((irel->r_offset & 3) == 0)
1109 ++insn;
1110 }
1111 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1112 overflow = TRUE;
dc810e39 1113 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1114 break;
1115
851cde10
JR
1116 case R_SH_SWITCH8:
1117 voff += adjust;
1118 if (voff < 0 || voff >= 0xff)
b34976b6 1119 overflow = TRUE;
851cde10
JR
1120 bfd_put_8 (abfd, voff, contents + nraddr);
1121 break;
1122
252b5132
RH
1123 case R_SH_SWITCH16:
1124 voff += adjust;
1125 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1126 overflow = TRUE;
dc810e39 1127 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1128 break;
1129
1130 case R_SH_SWITCH32:
1131 voff += adjust;
dc810e39 1132 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1133 break;
1134
1135 case R_SH_USES:
1136 irel->r_addend += adjust;
1137 break;
1138 }
1139
1140 if (overflow)
1141 {
4eca0228 1142 _bfd_error_handler
695344c0 1143 /* xgettext:c-format */
2dcf00ce
AM
1144 (_("%pB: %#" PRIx64 ": fatal: reloc overflow while relaxing"),
1145 abfd, (uint64_t) irel->r_offset);
252b5132 1146 bfd_set_error (bfd_error_bad_value);
b34976b6 1147 return FALSE;
252b5132
RH
1148 }
1149 }
1150
1151 irel->r_offset = nraddr;
1152 }
1153
1154 /* Look through all the other sections. If there contain any IMM32
1155 relocs against internal symbols which we are not going to adjust
1156 below, we may need to adjust the addends. */
1157 for (o = abfd->sections; o != NULL; o = o->next)
1158 {
1159 Elf_Internal_Rela *internal_relocs;
1160 Elf_Internal_Rela *irelscan, *irelscanend;
1161 bfd_byte *ocontents;
1162
1163 if (o == sec
1164 || (o->flags & SEC_RELOC) == 0
1165 || o->reloc_count == 0)
1166 continue;
1167
1168 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1169 FALSE, we should free them, if we are permitted to, when we
067653c5 1170 leave sh_coff_relax_section. */
45d6a902 1171 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1172 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1173 if (internal_relocs == NULL)
b34976b6 1174 return FALSE;
252b5132
RH
1175
1176 ocontents = NULL;
1177 irelscanend = internal_relocs + o->reloc_count;
1178 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1179 {
084aa3aa
JR
1180 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1181 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1182 {
1183 bfd_vma start, stop;
1184 bfd_signed_vma voff;
1185
1186 if (ocontents == NULL)
1187 {
1188 if (elf_section_data (o)->this_hdr.contents != NULL)
1189 ocontents = elf_section_data (o)->this_hdr.contents;
1190 else
1191 {
1192 /* We always cache the section contents.
b34976b6 1193 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1194 should free them, if we are permitted to,
1195 when we leave sh_coff_relax_section. */
eea6121a
AM
1196 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1197 {
1198 if (ocontents != NULL)
1199 free (ocontents);
1200 return FALSE;
1201 }
1202
084aa3aa
JR
1203 elf_section_data (o)->this_hdr.contents = ocontents;
1204 }
1205 }
1206
1207 stop = irelscan->r_offset;
1208 start
1209 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1210
1211 /* STOP is in a different section, so it won't change. */
1212 if (start > addr && start < toaddr)
1213 irelscan->r_addend += count;
1214
1215 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1216 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1217
1218 if (start > addr
1219 && start < toaddr
1220 && (stop <= addr || stop >= toaddr))
dc810e39 1221 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1222 ocontents + irelscan->r_offset);
1223 else if (stop > addr
1224 && stop < toaddr
1225 && (start <= addr || start >= toaddr))
dc810e39 1226 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1227 ocontents + irelscan->r_offset);
1228 }
1229
252b5132
RH
1230 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1231 continue;
1232
1233 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1234 continue;
1235
252b5132 1236
6cdc0ccc
AM
1237 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1238 if (isym->st_shndx == sec_shndx
1239 && (isym->st_value <= addr
1240 || isym->st_value >= toaddr))
252b5132
RH
1241 {
1242 bfd_vma val;
1243
1244 if (ocontents == NULL)
1245 {
1246 if (elf_section_data (o)->this_hdr.contents != NULL)
1247 ocontents = elf_section_data (o)->this_hdr.contents;
1248 else
1249 {
1250 /* We always cache the section contents.
b34976b6 1251 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1252 should free them, if we are permitted to,
1253 when we leave sh_coff_relax_section. */
eea6121a
AM
1254 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1255 {
1256 if (ocontents != NULL)
1257 free (ocontents);
1258 return FALSE;
1259 }
1260
252b5132
RH
1261 elf_section_data (o)->this_hdr.contents = ocontents;
1262 }
1263 }
1264
1265 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1266 val += isym->st_value;
252b5132
RH
1267 if (val > addr && val < toaddr)
1268 bfd_put_32 (abfd, val - count,
1269 ocontents + irelscan->r_offset);
1270 }
1271 }
1272 }
1273
1274 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1275 isymend = isymbuf + symtab_hdr->sh_info;
1276 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1277 {
6cdc0ccc
AM
1278 if (isym->st_shndx == sec_shndx
1279 && isym->st_value > addr
1280 && isym->st_value < toaddr)
1281 isym->st_value -= count;
252b5132
RH
1282 }
1283
1284 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1285 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1286 - symtab_hdr->sh_info);
1287 sym_hashes = elf_sym_hashes (abfd);
1288 end_hashes = sym_hashes + symcount;
1289 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1290 {
9ad5cbcf
AM
1291 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1292 if ((sym_hash->root.type == bfd_link_hash_defined
1293 || sym_hash->root.type == bfd_link_hash_defweak)
1294 && sym_hash->root.u.def.section == sec
1295 && sym_hash->root.u.def.value > addr
1296 && sym_hash->root.u.def.value < toaddr)
252b5132 1297 {
9ad5cbcf 1298 sym_hash->root.u.def.value -= count;
252b5132
RH
1299 }
1300 }
1301
1302 /* See if we can move the ALIGN reloc forward. We have adjusted
1303 r_offset for it already. */
1304 if (irelalign != NULL)
1305 {
1306 bfd_vma alignto, alignaddr;
1307
1308 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1309 alignaddr = BFD_ALIGN (irelalign->r_offset,
1310 1 << irelalign->r_addend);
1311 if (alignto != alignaddr)
1312 {
1313 /* Tail recursion. */
1314 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1315 (int) (alignto - alignaddr));
252b5132
RH
1316 }
1317 }
1318
b34976b6 1319 return TRUE;
252b5132
RH
1320}
1321
1322/* Look for loads and stores which we can align to four byte
1323 boundaries. This is like sh_align_loads in coff-sh.c. */
1324
b34976b6 1325static bfd_boolean
09fd220b
KK
1326sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1327 Elf_Internal_Rela *internal_relocs,
1328 bfd_byte *contents ATTRIBUTE_UNUSED,
1329 bfd_boolean *pswapped)
252b5132
RH
1330{
1331 Elf_Internal_Rela *irel, *irelend;
1332 bfd_vma *labels = NULL;
1333 bfd_vma *label, *label_end;
dc810e39 1334 bfd_size_type amt;
252b5132 1335
b34976b6 1336 *pswapped = FALSE;
252b5132
RH
1337
1338 irelend = internal_relocs + sec->reloc_count;
1339
1340 /* Get all the addresses with labels on them. */
dc810e39
AM
1341 amt = sec->reloc_count;
1342 amt *= sizeof (bfd_vma);
1343 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1344 if (labels == NULL)
1345 goto error_return;
1346 label_end = labels;
1347 for (irel = internal_relocs; irel < irelend; irel++)
1348 {
1349 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1350 {
1351 *label_end = irel->r_offset;
1352 ++label_end;
1353 }
1354 }
1355
1356 /* Note that the assembler currently always outputs relocs in
1357 address order. If that ever changes, this code will need to sort
1358 the label values and the relocs. */
1359
1360 label = labels;
1361
1362 for (irel = internal_relocs; irel < irelend; irel++)
1363 {
1364 bfd_vma start, stop;
1365
1366 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1367 continue;
1368
1369 start = irel->r_offset;
1370
1371 for (irel++; irel < irelend; irel++)
1372 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1373 break;
1374 if (irel < irelend)
1375 stop = irel->r_offset;
1376 else
eea6121a 1377 stop = sec->size;
252b5132
RH
1378
1379 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1380 internal_relocs, &label,
252b5132
RH
1381 label_end, start, stop, pswapped))
1382 goto error_return;
1383 }
1384
1385 free (labels);
1386
b34976b6 1387 return TRUE;
252b5132
RH
1388
1389 error_return:
1390 if (labels != NULL)
1391 free (labels);
b34976b6 1392 return FALSE;
252b5132
RH
1393}
1394
1395/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1396
b34976b6 1397static bfd_boolean
09fd220b
KK
1398sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1399 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1400{
1401 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1402 unsigned short i1, i2;
1403 Elf_Internal_Rela *irel, *irelend;
1404
1405 /* Swap the instructions themselves. */
1406 i1 = bfd_get_16 (abfd, contents + addr);
1407 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1408 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1409 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1410
1411 /* Adjust all reloc addresses. */
1412 irelend = internal_relocs + sec->reloc_count;
1413 for (irel = internal_relocs; irel < irelend; irel++)
1414 {
1415 enum elf_sh_reloc_type type;
1416 int add;
1417
1418 /* There are a few special types of relocs that we don't want to
067653c5
AM
1419 adjust. These relocs do not apply to the instruction itself,
1420 but are only associated with the address. */
252b5132
RH
1421 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1422 if (type == R_SH_ALIGN
1423 || type == R_SH_CODE
1424 || type == R_SH_DATA
1425 || type == R_SH_LABEL)
1426 continue;
1427
1428 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1429 swapped, we must adjust it. It would be incorrect to do this
1430 for a jump, though, since we want to execute both
1431 instructions after the jump. (We have avoided swapping
1432 around a label, so the jump will not wind up executing an
1433 instruction it shouldn't). */
252b5132
RH
1434 if (type == R_SH_USES)
1435 {
1436 bfd_vma off;
1437
1438 off = irel->r_offset + 4 + irel->r_addend;
1439 if (off == addr)
1440 irel->r_offset += 2;
1441 else if (off == addr + 2)
1442 irel->r_offset -= 2;
1443 }
1444
1445 if (irel->r_offset == addr)
1446 {
1447 irel->r_offset += 2;
1448 add = -2;
1449 }
1450 else if (irel->r_offset == addr + 2)
1451 {
1452 irel->r_offset -= 2;
1453 add = 2;
1454 }
1455 else
1456 add = 0;
1457
1458 if (add != 0)
1459 {
1460 bfd_byte *loc;
1461 unsigned short insn, oinsn;
b34976b6 1462 bfd_boolean overflow;
252b5132
RH
1463
1464 loc = contents + irel->r_offset;
b34976b6 1465 overflow = FALSE;
252b5132
RH
1466 switch (type)
1467 {
1468 default:
1469 break;
1470
1471 case R_SH_DIR8WPN:
1472 case R_SH_DIR8WPZ:
1473 insn = bfd_get_16 (abfd, loc);
1474 oinsn = insn;
1475 insn += add / 2;
1476 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1477 overflow = TRUE;
dc810e39 1478 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1479 break;
1480
1481 case R_SH_IND12W:
1482 insn = bfd_get_16 (abfd, loc);
1483 oinsn = insn;
1484 insn += add / 2;
1485 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1486 overflow = TRUE;
dc810e39 1487 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1488 break;
1489
1490 case R_SH_DIR8WPL:
1491 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1492 the program counter before adding in the offset.
1493 This means that if ADDR is at an even address, the
1494 swap will not affect the offset. If ADDR is an at an
1495 odd address, then the instruction will be crossing a
1496 four byte boundary, and must be adjusted. */
252b5132
RH
1497 if ((addr & 3) != 0)
1498 {
1499 insn = bfd_get_16 (abfd, loc);
1500 oinsn = insn;
1501 insn += add / 2;
1502 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1503 overflow = TRUE;
dc810e39 1504 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1505 }
1506
1507 break;
1508 }
1509
1510 if (overflow)
1511 {
4eca0228 1512 _bfd_error_handler
695344c0 1513 /* xgettext:c-format */
2dcf00ce
AM
1514 (_("%pB: %#" PRIx64 ": fatal: reloc overflow while relaxing"),
1515 abfd, (uint64_t) irel->r_offset);
252b5132 1516 bfd_set_error (bfd_error_bad_value);
b34976b6 1517 return FALSE;
252b5132
RH
1518 }
1519 }
1520 }
1521
b34976b6 1522 return TRUE;
252b5132
RH
1523}
1524\f
55e6e397
RS
1525/* Describes one of the various PLT styles. */
1526
1527struct elf_sh_plt_info
1528{
1529 /* The template for the first PLT entry, or NULL if there is no special
1530 first entry. */
1531 const bfd_byte *plt0_entry;
1532
1533 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1534 bfd_vma plt0_entry_size;
1535
1536 /* Index I is the offset into PLT0_ENTRY of a pointer to
1537 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1538 if there is no such pointer. */
1539 bfd_vma plt0_got_fields[3];
1540
1541 /* The template for a symbol's PLT entry. */
1542 const bfd_byte *symbol_entry;
1543
1544 /* The size of SYMBOL_ENTRY in bytes. */
1545 bfd_vma symbol_entry_size;
1546
1547 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1548 on all targets. The comments by each member indicate the value
1549 that the field must hold. */
1550 struct {
1551 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1552 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1553 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
8e45593f
NC
1554 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1555 instruction (instead of a constant pool
1556 entry). */
55e6e397
RS
1557 } symbol_fields;
1558
1559 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1560 bfd_vma symbol_resolve_offset;
8e45593f
NC
1561
1562 /* A different PLT layout which can be used for the first
1563 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1564 other cases. */
1565 const struct elf_sh_plt_info *short_plt;
55e6e397
RS
1566};
1567
37c644f2 1568/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1569
55e6e397 1570#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1571
1572/* First entry in an absolute procedure linkage table look like this. */
1573
6c426cf3 1574/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1575 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1576 corrupted here. This does mean however, that this PLT does not conform
1577 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1578 and r2 contains the GOT id. This version stores the GOT id in r0 and
1579 ignores the type. Loaders can easily detect this difference however,
1580 since the type will always be 0 or 8, and the GOT ids will always be
1581 greater than or equal to 12. */
55e6e397 1582static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1583{
1584 0xd0, 0x05, /* mov.l 2f,r0 */
1585 0x60, 0x02, /* mov.l @r0,r0 */
1586 0x2f, 0x06, /* mov.l r0,@-r15 */
1587 0xd0, 0x03, /* mov.l 1f,r0 */
1588 0x60, 0x02, /* mov.l @r0,r0 */
1589 0x40, 0x2b, /* jmp @r0 */
1590 0x60, 0xf6, /* mov.l @r15+,r0 */
1591 0x00, 0x09, /* nop */
1592 0x00, 0x09, /* nop */
1593 0x00, 0x09, /* nop */
1594 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1595 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1596};
1597
55e6e397 1598static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1599{
1600 0x05, 0xd0, /* mov.l 2f,r0 */
1601 0x02, 0x60, /* mov.l @r0,r0 */
1602 0x06, 0x2f, /* mov.l r0,@-r15 */
1603 0x03, 0xd0, /* mov.l 1f,r0 */
1604 0x02, 0x60, /* mov.l @r0,r0 */
1605 0x2b, 0x40, /* jmp @r0 */
1606 0xf6, 0x60, /* mov.l @r15+,r0 */
1607 0x09, 0x00, /* nop */
1608 0x09, 0x00, /* nop */
1609 0x09, 0x00, /* nop */
1610 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1611 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1612};
1613
1614/* Sebsequent entries in an absolute procedure linkage table look like
1615 this. */
1616
55e6e397 1617static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1618{
1619 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1620 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1621 0xd1, 0x02, /* mov.l 0f,r1 */
1622 0x40, 0x2b, /* jmp @r0 */
1623 0x60, 0x13, /* mov r1,r0 */
1624 0xd1, 0x03, /* mov.l 2f,r1 */
1625 0x40, 0x2b, /* jmp @r0 */
1626 0x00, 0x09, /* nop */
1627 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1628 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1629 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1630};
1631
55e6e397 1632static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1633{
1634 0x04, 0xd0, /* mov.l 1f,r0 */
1635 0x02, 0x60, /* mov.l @r0,r0 */
1636 0x02, 0xd1, /* mov.l 0f,r1 */
1637 0x2b, 0x40, /* jmp @r0 */
1638 0x13, 0x60, /* mov r1,r0 */
1639 0x03, 0xd1, /* mov.l 2f,r1 */
1640 0x2b, 0x40, /* jmp @r0 */
1641 0x09, 0x00, /* nop */
1642 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1643 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1644 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1645};
1646
1647/* Entries in a PIC procedure linkage table look like this. */
1648
55e6e397 1649static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1650{
1651 0xd0, 0x04, /* mov.l 1f,r0 */
1652 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1653 0x40, 0x2b, /* jmp @r0 */
1654 0x00, 0x09, /* nop */
1655 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1656 0xd1, 0x03, /* mov.l 2f,r1 */
1657 0x40, 0x2b, /* jmp @r0 */
1658 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1659 0x00, 0x09, /* nop */
1660 0x00, 0x09, /* nop */
1661 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1662 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1663};
1664
55e6e397 1665static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1666{
1667 0x04, 0xd0, /* mov.l 1f,r0 */
1668 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1669 0x2b, 0x40, /* jmp @r0 */
1670 0x09, 0x00, /* nop */
1671 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1672 0x03, 0xd1, /* mov.l 2f,r1 */
1673 0x2b, 0x40, /* jmp @r0 */
1674 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1675 0x09, 0x00, /* nop */
1676 0x09, 0x00, /* nop */
1677 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1678 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1679};
1680
55e6e397
RS
1681static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1682 {
1683 {
1684 /* Big-endian non-PIC. */
1685 elf_sh_plt0_entry_be,
1686 ELF_PLT_ENTRY_SIZE,
1687 { MINUS_ONE, 24, 20 },
1688 elf_sh_plt_entry_be,
1689 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1690 { 20, 16, 24, FALSE },
1691 8,
1692 NULL
55e6e397
RS
1693 },
1694 {
1695 /* Little-endian non-PIC. */
1696 elf_sh_plt0_entry_le,
1697 ELF_PLT_ENTRY_SIZE,
1698 { MINUS_ONE, 24, 20 },
1699 elf_sh_plt_entry_le,
1700 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1701 { 20, 16, 24, FALSE },
1702 8,
1703 NULL
55e6e397
RS
1704 },
1705 },
1706 {
1707 {
1708 /* Big-endian PIC. */
1709 elf_sh_plt0_entry_be,
1710 ELF_PLT_ENTRY_SIZE,
1711 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1712 elf_sh_pic_plt_entry_be,
1713 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1714 { 20, MINUS_ONE, 24, FALSE },
1715 8,
1716 NULL
55e6e397
RS
1717 },
1718 {
1719 /* Little-endian PIC. */
1720 elf_sh_plt0_entry_le,
1721 ELF_PLT_ENTRY_SIZE,
1722 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1723 elf_sh_pic_plt_entry_le,
1724 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1725 { 20, MINUS_ONE, 24, FALSE },
1726 8,
1727 NULL
55e6e397
RS
1728 },
1729 }
1730};
252b5132 1731
55e6e397
RS
1732#define VXWORKS_PLT_HEADER_SIZE 12
1733#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 1734
55e6e397
RS
1735static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1736{
1737 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1738 0x61, 0x12, /* mov.l @r1,r1 */
1739 0x41, 0x2b, /* jmp @r1 */
1740 0x00, 0x09, /* nop */
1741 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1742};
252b5132 1743
55e6e397
RS
1744static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1745{
1746 0x01, 0xd1, /* mov.l @(8,pc),r1 */
1747 0x12, 0x61, /* mov.l @r1,r1 */
1748 0x2b, 0x41, /* jmp @r1 */
1749 0x09, 0x00, /* nop */
1750 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1751};
1752
1753static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1754{
1755 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1756 0x60, 0x02, /* mov.l @r0,r0 */
1757 0x40, 0x2b, /* jmp @r0 */
1758 0x00, 0x09, /* nop */
1759 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1760 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1761 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
1762 0x00, 0x09, /* nop */
1763 0x00, 0x09, /* nop */
1764 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1765};
1766
1767static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1768{
1769 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1770 0x02, 0x60, /* mov.l @r0,r0 */
1771 0x2b, 0x40, /* jmp @r0 */
1772 0x09, 0x00, /* nop */
1773 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1774 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1775 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
1776 0x09, 0x00, /* nop */
1777 0x09, 0x00, /* nop */
1778 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1779};
1780
1781static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1782{
1783 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1784 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1785 0x40, 0x2b, /* jmp @r0 */
1786 0x00, 0x09, /* nop */
1787 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
1788 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1789 0x51, 0xc2, /* mov.l @(8,r12),r1 */
1790 0x41, 0x2b, /* jmp @r1 */
1791 0x00, 0x09, /* nop */
1792 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1793};
1794
1795static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1796{
1797 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1798 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1799 0x2b, 0x40, /* jmp @r0 */
1800 0x09, 0x00, /* nop */
1801 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
1802 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1803 0xc2, 0x51, /* mov.l @(8,r12),r1 */
1804 0x2b, 0x41, /* jmp @r1 */
1805 0x09, 0x00, /* nop */
1806 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1807};
1808
1809static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
1810 {
1811 {
1812 /* Big-endian non-PIC. */
1813 vxworks_sh_plt0_entry_be,
1814 VXWORKS_PLT_HEADER_SIZE,
1815 { MINUS_ONE, MINUS_ONE, 8 },
1816 vxworks_sh_plt_entry_be,
1817 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1818 { 8, 14, 20, FALSE },
1819 12,
1820 NULL
55e6e397
RS
1821 },
1822 {
1823 /* Little-endian non-PIC. */
1824 vxworks_sh_plt0_entry_le,
1825 VXWORKS_PLT_HEADER_SIZE,
1826 { MINUS_ONE, MINUS_ONE, 8 },
1827 vxworks_sh_plt_entry_le,
1828 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1829 { 8, 14, 20, FALSE },
1830 12,
1831 NULL
55e6e397
RS
1832 },
1833 },
1834 {
1835 {
1836 /* Big-endian PIC. */
1837 NULL,
1838 0,
1839 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1840 vxworks_sh_pic_plt_entry_be,
1841 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1842 { 8, MINUS_ONE, 20, FALSE },
1843 12,
1844 NULL
55e6e397
RS
1845 },
1846 {
1847 /* Little-endian PIC. */
1848 NULL,
1849 0,
1850 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1851 vxworks_sh_pic_plt_entry_le,
1852 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1853 { 8, MINUS_ONE, 20, FALSE },
1854 12,
1855 NULL
55e6e397
RS
1856 },
1857 }
1858};
9bdafcce 1859
8e45593f
NC
1860/* FDPIC PLT entries. Two unimplemented optimizations for lazy
1861 binding are to omit the lazy binding stub when linking with -z now
1862 and to move lazy binding stubs into a separate region for better
1863 cache behavior. */
1864
1865#define FDPIC_PLT_ENTRY_SIZE 28
1866#define FDPIC_PLT_LAZY_OFFSET 20
1867
1868/* FIXME: The lazy binding stub requires a plt0 - which may need to be
1869 duplicated if it is out of range, or which can be inlined. So
1870 right now it is always inlined, which wastes a word per stub. It
1871 might be easier to handle the duplication if we put the lazy
1872 stubs separately. */
1873
1874static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
1875{
1876 0xd0, 0x02, /* mov.l @(12,pc),r0 */
1877 0x01, 0xce, /* mov.l @(r0,r12),r1 */
1878 0x70, 0x04, /* add #4, r0 */
1879 0x41, 0x2b, /* jmp @r1 */
1880 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
1881 0x00, 0x09, /* nop */
1882 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
1883 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1884 0x60, 0xc2, /* mov.l @r12,r0 */
1885 0x40, 0x2b, /* jmp @r0 */
1886 0x53, 0xc1, /* mov.l @(4,r12),r3 */
1887 0x00, 0x09, /* nop */
1888};
1889
1890static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
1891{
1892 0x02, 0xd0, /* mov.l @(12,pc),r0 */
1893 0xce, 0x01, /* mov.l @(r0,r12),r1 */
1894 0x04, 0x70, /* add #4, r0 */
1895 0x2b, 0x41, /* jmp @r1 */
1896 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
1897 0x09, 0x00, /* nop */
1898 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
1899 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1900 0xc2, 0x60, /* mov.l @r12,r0 */
1901 0x2b, 0x40, /* jmp @r0 */
1902 0xc1, 0x53, /* mov.l @(4,r12),r3 */
1903 0x09, 0x00, /* nop */
1904};
1905
1906static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
1907 {
1908 /* Big-endian PIC. */
1909 NULL,
1910 0,
1911 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1912 fdpic_sh_plt_entry_be,
1913 FDPIC_PLT_ENTRY_SIZE,
1914 { 12, MINUS_ONE, 16, FALSE },
1915 FDPIC_PLT_LAZY_OFFSET,
1916 NULL
1917 },
1918 {
1919 /* Little-endian PIC. */
1920 NULL,
1921 0,
1922 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1923 fdpic_sh_plt_entry_le,
1924 FDPIC_PLT_ENTRY_SIZE,
1925 { 12, MINUS_ONE, 16, FALSE },
1926 FDPIC_PLT_LAZY_OFFSET,
1927 NULL
1928 },
1929};
1930
1931/* On SH2A, we can use the movi20 instruction to generate shorter PLT
1932 entries for the first 64K slots. We use the normal FDPIC PLT entry
1933 past that point; we could also use movi20s, which might be faster,
1934 but would not be any smaller. */
1935
1936#define FDPIC_SH2A_PLT_ENTRY_SIZE 24
1937#define FDPIC_SH2A_PLT_LAZY_OFFSET 16
1938
1939static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
1940{
1941 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
1942 0x01, 0xce, /* mov.l @(r0,r12),r1 */
1943 0x70, 0x04, /* add #4, r0 */
1944 0x41, 0x2b, /* jmp @r1 */
1945 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
1946 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1947 0x60, 0xc2, /* mov.l @r12,r0 */
1948 0x40, 0x2b, /* jmp @r0 */
1949 0x53, 0xc1, /* mov.l @(4,r12),r3 */
1950 0x00, 0x09, /* nop */
1951};
1952
1953static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
1954{
1955 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
1956 0xce, 0x01, /* mov.l @(r0,r12),r1 */
1957 0x04, 0x70, /* add #4, r0 */
1958 0x2b, 0x41, /* jmp @r1 */
1959 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
1960 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1961 0xc2, 0x60, /* mov.l @r12,r0 */
1962 0x2b, 0x40, /* jmp @r0 */
1963 0xc1, 0x53, /* mov.l @(4,r12),r3 */
1964 0x09, 0x00, /* nop */
1965};
1966
1967static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
1968 /* Big-endian FDPIC, max index 64K. */
1969 NULL,
1970 0,
1971 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1972 fdpic_sh2a_plt_entry_be,
1973 FDPIC_SH2A_PLT_ENTRY_SIZE,
1974 { 0, MINUS_ONE, 12, TRUE },
1975 FDPIC_SH2A_PLT_LAZY_OFFSET,
1976 NULL
1977};
1978
1979static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
1980 /* Little-endian FDPIC, max index 64K. */
1981 NULL,
1982 0,
1983 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1984 fdpic_sh2a_plt_entry_le,
1985 FDPIC_SH2A_PLT_ENTRY_SIZE,
1986 { 0, MINUS_ONE, 12, TRUE },
1987 FDPIC_SH2A_PLT_LAZY_OFFSET,
1988 NULL
1989};
1990
1991static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
1992 {
1993 /* Big-endian PIC. */
1994 NULL,
1995 0,
1996 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1997 fdpic_sh_plt_entry_be,
1998 FDPIC_PLT_ENTRY_SIZE,
1999 { 12, MINUS_ONE, 16, FALSE },
2000 FDPIC_PLT_LAZY_OFFSET,
2001 &fdpic_sh2a_short_plt_be
2002 },
2003 {
2004 /* Little-endian PIC. */
2005 NULL,
2006 0,
2007 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2008 fdpic_sh_plt_entry_le,
2009 FDPIC_PLT_ENTRY_SIZE,
2010 { 12, MINUS_ONE, 16, FALSE },
2011 FDPIC_PLT_LAZY_OFFSET,
2012 &fdpic_sh2a_short_plt_le
2013 },
2014};
2015
55e6e397
RS
2016/* Return the type of PLT associated with ABFD. PIC_P is true if
2017 the object is position-independent. */
9bdafcce 2018
55e6e397 2019static const struct elf_sh_plt_info *
8e45593f 2020get_plt_info (bfd *abfd, bfd_boolean pic_p)
55e6e397 2021{
8e45593f
NC
2022 if (fdpic_object_p (abfd))
2023 {
2024 /* If any input file requires SH2A we can use a shorter PLT
2025 sequence. */
2026 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2027 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2028 else
2029 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2030 }
55e6e397
RS
2031 if (vxworks_object_p (abfd))
2032 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2033 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2034}
9bdafcce 2035
55e6e397
RS
2036/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2037 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2038 not data. */
9bdafcce 2039
55e6e397
RS
2040inline static void
2041install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2042 unsigned long value, bfd_byte *addr)
2043{
2044 bfd_put_32 (output_bfd, value, addr);
2045}
015551fc 2046
8e45593f
NC
2047/* The number of PLT entries which can use a shorter PLT, if any.
2048 Currently always 64K, since only SH-2A FDPIC uses this; a
2049 20-bit movi20 can address that many function descriptors below
2050 _GLOBAL_OFFSET_TABLE_. */
2051#define MAX_SHORT_PLT 65536
2052
55e6e397
RS
2053/* Return the index of the PLT entry at byte offset OFFSET. */
2054
2055static bfd_vma
2056get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2057{
8e45593f
NC
2058 bfd_vma plt_index = 0;
2059
2060 offset -= info->plt0_entry_size;
2061 if (info->short_plt != NULL)
2062 {
2063 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2064 {
2065 plt_index = MAX_SHORT_PLT;
2066 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2067 }
2068 else
2069 info = info->short_plt;
2070 }
2071 return plt_index + offset / info->symbol_entry_size;
55e6e397
RS
2072}
2073
2074/* Do the inverse operation. */
2075
2076static bfd_vma
91d6fa6a 2077get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
55e6e397 2078{
8e45593f
NC
2079 bfd_vma offset = 0;
2080
2081 if (info->short_plt != NULL)
2082 {
2083 if (plt_index > MAX_SHORT_PLT)
2084 {
2085 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2086 plt_index -= MAX_SHORT_PLT;
2087 }
2088 else
2089 info = info->short_plt;
2090 }
2091 return (offset + info->plt0_entry_size
2092 + (plt_index * info->symbol_entry_size));
55e6e397
RS
2093}
2094
8e45593f
NC
2095union gotref
2096{
2097 bfd_signed_vma refcount;
2098 bfd_vma offset;
2099};
2100
37c644f2
AO
2101/* sh ELF linker hash entry. */
2102
38b1a46c
NC
2103struct elf_sh_link_hash_entry
2104{
37c644f2
AO
2105 struct elf_link_hash_entry root;
2106
067653c5 2107 /* Track dynamic relocs copied for this symbol. */
3bf083ed 2108 struct elf_dyn_relocs *dyn_relocs;
4989d792
SC
2109
2110 bfd_signed_vma gotplt_refcount;
3376eaf5 2111
8e45593f
NC
2112 /* A local function descriptor, for FDPIC. The refcount counts
2113 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2114 relocations; the PLT and GOT entry are accounted
2115 for separately. After adjust_dynamic_symbol, the offset is
2116 MINUS_ONE if there is no local descriptor (dynamic linker
2117 managed and no PLT entry, or undefined weak non-dynamic).
2118 During check_relocs we do not yet know whether the local
2119 descriptor will be canonical. */
2120 union gotref funcdesc;
2121
2122 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2123 and thus require fixups or relocations. */
2124 bfd_signed_vma abs_funcdesc_refcount;
2125
85e02784 2126 enum got_type {
8e45593f
NC
2127 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2128 } got_type;
3376eaf5
KK
2129};
2130
2131#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2132
2133struct sh_elf_obj_tdata
2134{
2135 struct elf_obj_tdata root;
2136
8e45593f
NC
2137 /* got_type for each local got entry. */
2138 char *local_got_type;
2139
2140 /* Function descriptor refcount and offset for each local symbol. */
2141 union gotref *local_funcdesc;
37c644f2
AO
2142};
2143
3376eaf5
KK
2144#define sh_elf_tdata(abfd) \
2145 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2146
8e45593f
NC
2147#define sh_elf_local_got_type(abfd) \
2148 (sh_elf_tdata (abfd)->local_got_type)
2149
2150#define sh_elf_local_funcdesc(abfd) \
2151 (sh_elf_tdata (abfd)->local_funcdesc)
3376eaf5 2152
0ffa91dd
NC
2153#define is_sh_elf(bfd) \
2154 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2155 && elf_tdata (bfd) != NULL \
4dfe6ac6 2156 && elf_object_id (bfd) == SH_ELF_DATA)
0ffa91dd 2157
3376eaf5
KK
2158/* Override the generic function because we need to store sh_elf_obj_tdata
2159 as the specific tdata. */
2160
b34976b6 2161static bfd_boolean
09fd220b 2162sh_elf_mkobject (bfd *abfd)
3376eaf5 2163{
0ffa91dd 2164 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
4dfe6ac6 2165 SH_ELF_DATA);
3376eaf5 2166}
b34976b6 2167
37c644f2
AO
2168/* sh ELF linker hash table. */
2169
38b1a46c
NC
2170struct elf_sh_link_hash_table
2171{
37c644f2 2172 struct elf_link_hash_table root;
37c644f2 2173
067653c5 2174 /* Short-cuts to get to dynamic linker sections. */
067653c5
AM
2175 asection *sdynbss;
2176 asection *srelbss;
8e45593f
NC
2177 asection *sfuncdesc;
2178 asection *srelfuncdesc;
2179 asection *srofixup;
37c644f2 2180
55e6e397
RS
2181 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2182 asection *srelplt2;
2183
87d72d41
AM
2184 /* Small local sym cache. */
2185 struct sym_cache sym_cache;
3376eaf5
KK
2186
2187 /* A counter or offset to track a TLS got entry. */
2188 union
2189 {
2190 bfd_signed_vma refcount;
2191 bfd_vma offset;
2192 } tls_ldm_got;
55e6e397
RS
2193
2194 /* The type of PLT to use. */
2195 const struct elf_sh_plt_info *plt_info;
2196
2197 /* True if the target system is VxWorks. */
2198 bfd_boolean vxworks_p;
8e45593f
NC
2199
2200 /* True if the target system uses FDPIC. */
2201 bfd_boolean fdpic_p;
067653c5 2202};
37c644f2
AO
2203
2204/* Traverse an sh ELF linker hash table. */
2205
2206#define sh_elf_link_hash_traverse(table, func, info) \
2207 (elf_link_hash_traverse \
2208 (&(table)->root, \
09fd220b 2209 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2210 (info)))
2211
2212/* Get the sh ELF linker hash table from a link_info structure. */
2213
2214#define sh_elf_hash_table(p) \
4dfe6ac6
NC
2215 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2216 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
37c644f2
AO
2217
2218/* Create an entry in an sh ELF linker hash table. */
2219
2220static struct bfd_hash_entry *
09fd220b
KK
2221sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2222 struct bfd_hash_table *table,
2223 const char *string)
37c644f2
AO
2224{
2225 struct elf_sh_link_hash_entry *ret =
2226 (struct elf_sh_link_hash_entry *) entry;
2227
2228 /* Allocate the structure if it has not already been allocated by a
2229 subclass. */
2230 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2231 ret = ((struct elf_sh_link_hash_entry *)
2232 bfd_hash_allocate (table,
2233 sizeof (struct elf_sh_link_hash_entry)));
2234 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2235 return (struct bfd_hash_entry *) ret;
2236
2237 /* Call the allocation method of the superclass. */
2238 ret = ((struct elf_sh_link_hash_entry *)
2239 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2240 table, string));
2241 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2242 {
396a6083
SC
2243 ret->dyn_relocs = NULL;
2244 ret->gotplt_refcount = 0;
8e45593f
NC
2245 ret->funcdesc.refcount = 0;
2246 ret->abs_funcdesc_refcount = 0;
2247 ret->got_type = GOT_UNKNOWN;
37c644f2
AO
2248 }
2249
2250 return (struct bfd_hash_entry *) ret;
2251}
2252
2253/* Create an sh ELF linker hash table. */
2254
2255static struct bfd_link_hash_table *
09fd220b 2256sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2257{
2258 struct elf_sh_link_hash_table *ret;
986f0783 2259 size_t amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2260
0e5de31a 2261 ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt);
37c644f2
AO
2262 if (ret == (struct elf_sh_link_hash_table *) NULL)
2263 return NULL;
2264
66eb6687
AM
2265 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2266 sh_elf_link_hash_newfunc,
4dfe6ac6
NC
2267 sizeof (struct elf_sh_link_hash_entry),
2268 SH_ELF_DATA))
37c644f2 2269 {
e2d34d7d 2270 free (ret);
37c644f2
AO
2271 return NULL;
2272 }
2273
55e6e397 2274 ret->vxworks_p = vxworks_object_p (abfd);
8e45593f 2275 ret->fdpic_p = fdpic_object_p (abfd);
067653c5 2276
37c644f2
AO
2277 return &ret->root.root;
2278}
2279
8e45593f
NC
2280static bfd_boolean
2281sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2282 struct bfd_link_info *info, asection *p)
2283{
2284 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2285
2286 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2287 if (!htab->fdpic_p)
2288 return TRUE;
2289
2290 /* We need dynamic symbols for every section, since segments can
2291 relocate independently. */
2292 switch (elf_section_data (p)->this_hdr.sh_type)
2293 {
2294 case SHT_PROGBITS:
2295 case SHT_NOBITS:
2296 /* If sh_type is yet undecided, assume it could be
2297 SHT_PROGBITS/SHT_NOBITS. */
2298 case SHT_NULL:
2299 return FALSE;
2300
2301 /* There shouldn't be section relative relocations
2302 against any other section. */
2303 default:
2304 return TRUE;
2305 }
2306}
2307
067653c5
AM
2308/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2309 shortcuts to them in our hash table. */
2310
b34976b6 2311static bfd_boolean
09fd220b 2312create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2313{
2314 struct elf_sh_link_hash_table *htab;
2315
2316 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2317 return FALSE;
067653c5
AM
2318
2319 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2320 if (htab == NULL)
2321 return FALSE;
2322
3d4d4302
AM
2323 htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
2324 (SEC_ALLOC | SEC_LOAD
2325 | SEC_HAS_CONTENTS
2326 | SEC_IN_MEMORY
2327 | SEC_LINKER_CREATED));
8e45593f 2328 if (htab->sfuncdesc == NULL
fd361982 2329 || !bfd_set_section_alignment (htab->sfuncdesc, 2))
8e45593f
NC
2330 return FALSE;
2331
3d4d4302
AM
2332 htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
2333 ".rela.got.funcdesc",
2334 (SEC_ALLOC | SEC_LOAD
2335 | SEC_HAS_CONTENTS
2336 | SEC_IN_MEMORY
2337 | SEC_LINKER_CREATED
2338 | SEC_READONLY));
8e45593f 2339 if (htab->srelfuncdesc == NULL
fd361982 2340 || !bfd_set_section_alignment (htab->srelfuncdesc, 2))
8e45593f
NC
2341 return FALSE;
2342
2343 /* Also create .rofixup. */
3d4d4302
AM
2344 htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
2345 (SEC_ALLOC | SEC_LOAD
2346 | SEC_HAS_CONTENTS
2347 | SEC_IN_MEMORY
2348 | SEC_LINKER_CREATED
2349 | SEC_READONLY));
8e45593f 2350 if (htab->srofixup == NULL
fd361982 2351 || !bfd_set_section_alignment (htab->srofixup, 2))
8e45593f
NC
2352 return FALSE;
2353
b34976b6 2354 return TRUE;
067653c5
AM
2355}
2356
37c644f2
AO
2357/* Create dynamic sections when linking against a dynamic object. */
2358
b34976b6 2359static bfd_boolean
09fd220b 2360sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2361{
067653c5 2362 struct elf_sh_link_hash_table *htab;
37c644f2 2363 flagword flags, pltflags;
91d6fa6a 2364 asection *s;
9c5bfbb7 2365 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2366 int ptralign = 0;
2367
2368 switch (bed->s->arch_size)
2369 {
2370 case 32:
2371 ptralign = 2;
2372 break;
2373
2374 case 64:
2375 ptralign = 3;
2376 break;
2377
2378 default:
2379 bfd_set_error (bfd_error_bad_value);
b34976b6 2380 return FALSE;
37c644f2
AO
2381 }
2382
067653c5 2383 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2384 if (htab == NULL)
2385 return FALSE;
2386
35cad4c4
KK
2387 if (htab->root.dynamic_sections_created)
2388 return TRUE;
067653c5 2389
37c644f2
AO
2390 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2391 .rel[a].bss sections. */
2392
2393 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2394 | SEC_LINKER_CREATED);
2395
2396 pltflags = flags;
2397 pltflags |= SEC_CODE;
2398 if (bed->plt_not_loaded)
2399 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2400 if (bed->plt_readonly)
2401 pltflags |= SEC_READONLY;
2402
3d4d4302 2403 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
ce558b89 2404 htab->root.splt = s;
35cad4c4 2405 if (s == NULL
fd361982 2406 || !bfd_set_section_alignment (s, bed->plt_alignment))
35cad4c4 2407 return FALSE;
37c644f2
AO
2408
2409 if (bed->want_plt_sym)
2410 {
2411 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2412 .plt section. */
14a793b2
AM
2413 struct elf_link_hash_entry *h;
2414 struct bfd_link_hash_entry *bh = NULL;
2415
37c644f2
AO
2416 if (! (_bfd_generic_link_add_one_symbol
2417 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2418 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2419 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2420 return FALSE;
14a793b2
AM
2421
2422 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2423 h->def_regular = 1;
37c644f2 2424 h->type = STT_OBJECT;
7325306f 2425 htab->root.hplt = h;
37c644f2 2426
0e1862bb 2427 if (bfd_link_pic (info)
c152c796 2428 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2429 return FALSE;
37c644f2
AO
2430 }
2431
3d4d4302
AM
2432 s = bfd_make_section_anyway_with_flags (abfd,
2433 bed->default_use_rela_p
2434 ? ".rela.plt" : ".rel.plt",
2435 flags | SEC_READONLY);
ce558b89 2436 htab->root.srelplt = s;
35cad4c4 2437 if (s == NULL
fd361982 2438 || !bfd_set_section_alignment (s, ptralign))
35cad4c4 2439 return FALSE;
37c644f2 2440
ce558b89 2441 if (htab->root.sgot == NULL
2293c499 2442 && !create_got_section (abfd, info))
b34976b6 2443 return FALSE;
37c644f2 2444
37c644f2
AO
2445 if (bed->want_dynbss)
2446 {
2447 /* The .dynbss section is a place to put symbols which are defined
2448 by dynamic objects, are referenced by regular objects, and are
2449 not functions. We must allocate space for them in the process
2450 image and use a R_*_COPY reloc to tell the dynamic linker to
2451 initialize them at run time. The linker script puts the .dynbss
2452 section into the .bss section of the final image. */
3d4d4302
AM
2453 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2454 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2455 htab->sdynbss = s;
3496cb2a 2456 if (s == NULL)
35cad4c4 2457 return FALSE;
37c644f2
AO
2458
2459 /* The .rel[a].bss section holds copy relocs. This section is not
2460 normally needed. We need to create it here, though, so that the
2461 linker will map it to an output section. We can't just create it
2462 only if we need it, because we will not know whether we need it
2463 until we have seen all the input files, and the first time the
2464 main linker code calls BFD after examining all the input files
2465 (size_dynamic_sections) the input sections have already been
2466 mapped to the output sections. If the section turns out not to
2467 be needed, we can discard it later. We will never need this
2468 section when generating a shared object, since they do not use
2469 copy relocs. */
0e1862bb 2470 if (! bfd_link_pic (info))
37c644f2 2471 {
3d4d4302
AM
2472 s = bfd_make_section_anyway_with_flags (abfd,
2473 (bed->default_use_rela_p
2474 ? ".rela.bss" : ".rel.bss"),
2475 flags | SEC_READONLY);
067653c5 2476 htab->srelbss = s;
37c644f2 2477 if (s == NULL
fd361982 2478 || !bfd_set_section_alignment (s, ptralign))
b34976b6 2479 return FALSE;
37c644f2
AO
2480 }
2481 }
2482
55e6e397
RS
2483 if (htab->vxworks_p)
2484 {
2485 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2486 return FALSE;
2487 }
2488
b34976b6 2489 return TRUE;
37c644f2
AO
2490}
2491\f
63c1f59d
AM
2492/* Find dynamic relocs for H that apply to read-only sections. */
2493
2494static asection *
2495readonly_dynrelocs (struct elf_link_hash_entry *h)
2496{
3bf083ed 2497 struct elf_dyn_relocs *p;
63c1f59d
AM
2498
2499 for (p = sh_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
2500 {
2501 asection *s = p->sec->output_section;
2502
2503 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2504 return p->sec;
2505 }
2506 return NULL;
2507}
2508
37c644f2
AO
2509/* Adjust a symbol defined by a dynamic object and referenced by a
2510 regular object. The current definition is in some section of the
2511 dynamic object, but we're not including those sections. We have to
2512 change the definition to something the rest of the link can
2513 understand. */
2514
b34976b6 2515static bfd_boolean
09fd220b
KK
2516sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2517 struct elf_link_hash_entry *h)
37c644f2 2518{
067653c5 2519 struct elf_sh_link_hash_table *htab;
37c644f2 2520 asection *s;
37c644f2 2521
2293c499 2522 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2523 if (htab == NULL)
2524 return FALSE;
37c644f2
AO
2525
2526 /* Make sure we know what is going on here. */
2293c499 2527 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2528 && (h->needs_plt
60d67dc8 2529 || h->is_weakalias
f5385ebf
AM
2530 || (h->def_dynamic
2531 && h->ref_regular
2532 && !h->def_regular)));
37c644f2
AO
2533
2534 /* If this is a function, put it in the procedure linkage table. We
2535 will fill in the contents of the procedure linkage table later,
2536 when we know the address of the .got section. */
2537 if (h->type == STT_FUNC
f5385ebf 2538 || h->needs_plt)
37c644f2 2539 {
067653c5 2540 if (h->plt.refcount <= 0
3d85aebe
KK
2541 || SYMBOL_CALLS_LOCAL (info, h)
2542 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2543 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2544 {
2545 /* This case can occur if we saw a PLT reloc in an input
2546 file, but the symbol was never referred to by a dynamic
2547 object. In such a case, we don't actually need to build
2548 a procedure linkage table, and we can just do a REL32
2549 reloc instead. */
067653c5 2550 h->plt.offset = (bfd_vma) -1;
f5385ebf 2551 h->needs_plt = 0;
37c644f2
AO
2552 }
2553
b34976b6 2554 return TRUE;
37c644f2 2555 }
067653c5
AM
2556 else
2557 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2558
2559 /* If this is a weak symbol, and there is a real definition, the
2560 processor independent code will have arranged for us to see the
2561 real definition first, and we can just use the same value. */
60d67dc8 2562 if (h->is_weakalias)
37c644f2 2563 {
60d67dc8
AM
2564 struct elf_link_hash_entry *def = weakdef (h);
2565 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2566 h->root.u.def.section = def->root.u.def.section;
2567 h->root.u.def.value = def->root.u.def.value;
04e534c3 2568 if (info->nocopyreloc)
60d67dc8 2569 h->non_got_ref = def->non_got_ref;
b34976b6 2570 return TRUE;
37c644f2
AO
2571 }
2572
2573 /* This is a reference to a symbol defined by a dynamic object which
2574 is not a function. */
2575
2576 /* If we are creating a shared library, we must presume that the
2577 only references to the symbol are via the global offset table.
2578 For such cases we need not do anything here; the relocations will
2579 be handled correctly by relocate_section. */
0e1862bb 2580 if (bfd_link_pic (info))
b34976b6 2581 return TRUE;
37c644f2
AO
2582
2583 /* If there are no references to this symbol that do not use the
2584 GOT, we don't need to generate a copy reloc. */
f5385ebf 2585 if (!h->non_got_ref)
b34976b6 2586 return TRUE;
37c644f2 2587
067653c5 2588 /* If -z nocopyreloc was given, we won't generate them either. */
3bf083ed 2589 if (0 && info->nocopyreloc)
067653c5 2590 {
f5385ebf 2591 h->non_got_ref = 0;
b34976b6 2592 return TRUE;
067653c5
AM
2593 }
2594
3bf083ed
AM
2595 /* If we don't find any dynamic relocs in read-only sections, then
2596 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2597 if (0 && !readonly_dynrelocs (h))
067653c5 2598 {
f5385ebf 2599 h->non_got_ref = 0;
b34976b6 2600 return TRUE;
067653c5
AM
2601 }
2602
37c644f2
AO
2603 /* We must allocate the symbol in our .dynbss section, which will
2604 become part of the .bss section of the executable. There will be
2605 an entry for this symbol in the .dynsym section. The dynamic
2606 object will contain position independent code, so all references
2607 from the dynamic object to this symbol will go through the global
2608 offset table. The dynamic linker will use the .dynsym entry to
2609 determine the address it must put in the global offset table, so
2610 both the dynamic object and the regular object will refer to the
2611 same memory location for the variable. */
2612
067653c5 2613 s = htab->sdynbss;
37c644f2
AO
2614 BFD_ASSERT (s != NULL);
2615
2616 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2617 copy the initial value out of the dynamic object and into the
2618 runtime process image. We need to remember the offset into the
2619 .rela.bss section we are going to use. */
1d7e9d18 2620 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
37c644f2
AO
2621 {
2622 asection *srel;
2623
067653c5 2624 srel = htab->srelbss;
37c644f2 2625 BFD_ASSERT (srel != NULL);
eea6121a 2626 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2627 h->needs_copy = 1;
37c644f2
AO
2628 }
2629
6cabe1ea 2630 return _bfd_elf_adjust_dynamic_copy (info, h, s);
37c644f2
AO
2631}
2632
067653c5
AM
2633/* Allocate space in .plt, .got and associated reloc sections for
2634 dynamic relocs. */
2635
b34976b6 2636static bfd_boolean
09fd220b 2637allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2638{
2639 struct bfd_link_info *info;
2640 struct elf_sh_link_hash_table *htab;
2641 struct elf_sh_link_hash_entry *eh;
3bf083ed 2642 struct elf_dyn_relocs *p;
067653c5
AM
2643
2644 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2645 return TRUE;
067653c5 2646
067653c5
AM
2647 info = (struct bfd_link_info *) inf;
2648 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2649 if (htab == NULL)
2650 return FALSE;
067653c5 2651
4989d792
SC
2652 eh = (struct elf_sh_link_hash_entry *) h;
2653 if ((h->got.refcount > 0
f5385ebf 2654 || h->forced_local)
4989d792
SC
2655 && eh->gotplt_refcount > 0)
2656 {
2657 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2658 so treat all the gotplt refs as got refs. */
4989d792
SC
2659 h->got.refcount += eh->gotplt_refcount;
2660 if (h->plt.refcount >= eh->gotplt_refcount)
2661 h->plt.refcount -= eh->gotplt_refcount;
2662 }
2663
067653c5 2664 if (htab->root.dynamic_sections_created
04e534c3
KK
2665 && h->plt.refcount > 0
2666 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2667 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2668 {
2669 /* Make sure this symbol is output as a dynamic symbol.
2670 Undefined weak syms won't yet be marked as dynamic. */
2671 if (h->dynindx == -1
f5385ebf 2672 && !h->forced_local)
067653c5 2673 {
c152c796 2674 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2675 return FALSE;
067653c5
AM
2676 }
2677
0e1862bb 2678 if (bfd_link_pic (info)
267fb3c1 2679 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5 2680 {
ce558b89 2681 asection *s = htab->root.splt;
8e45593f 2682 const struct elf_sh_plt_info *plt_info;
067653c5
AM
2683
2684 /* If this is the first .plt entry, make room for the special
2685 first entry. */
eea6121a 2686 if (s->size == 0)
55e6e397 2687 s->size += htab->plt_info->plt0_entry_size;
067653c5 2688
eea6121a 2689 h->plt.offset = s->size;
067653c5
AM
2690
2691 /* If this symbol is not defined in a regular file, and we are
2692 not generating a shared library, then set the symbol to this
2693 location in the .plt. This is required to make function
2694 pointers compare as equal between the normal executable and
8e45593f
NC
2695 the shared library. Skip this for FDPIC, since the
2696 function's address will be the address of the canonical
2697 function descriptor. */
0e1862bb 2698 if (!htab->fdpic_p && !bfd_link_pic (info) && !h->def_regular)
067653c5
AM
2699 {
2700 h->root.u.def.section = s;
2701 h->root.u.def.value = h->plt.offset;
2702 }
2703
2704 /* Make room for this entry. */
8e45593f
NC
2705 plt_info = htab->plt_info;
2706 if (plt_info->short_plt != NULL
2707 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
2708 plt_info = plt_info->short_plt;
2709 s->size += plt_info->symbol_entry_size;
067653c5
AM
2710
2711 /* We also need to make an entry in the .got.plt section, which
2712 will be placed in the .got section by the linker script. */
8e45593f 2713 if (!htab->fdpic_p)
ce558b89 2714 htab->root.sgotplt->size += 4;
8e45593f 2715 else
ce558b89 2716 htab->root.sgotplt->size += 8;
067653c5
AM
2717
2718 /* We also need to make an entry in the .rel.plt section. */
ce558b89 2719 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
55e6e397 2720
0e1862bb 2721 if (htab->vxworks_p && !bfd_link_pic (info))
55e6e397
RS
2722 {
2723 /* VxWorks executables have a second set of relocations
2724 for each PLT entry. They go in a separate relocation
2725 section, which is processed by the kernel loader. */
2726
2727 /* There is a relocation for the initial PLT entry:
2728 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2729 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2730 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2731
2732 /* There are two extra relocations for each subsequent
2733 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2734 and an R_SH_DIR32 relocation for the PLT entry. */
2735 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2736 }
067653c5
AM
2737 }
2738 else
2739 {
2740 h->plt.offset = (bfd_vma) -1;
f5385ebf 2741 h->needs_plt = 0;
067653c5
AM
2742 }
2743 }
2744 else
2745 {
2746 h->plt.offset = (bfd_vma) -1;
f5385ebf 2747 h->needs_plt = 0;
067653c5
AM
2748 }
2749
2750 if (h->got.refcount > 0)
2751 {
2752 asection *s;
b34976b6 2753 bfd_boolean dyn;
85e02784 2754 enum got_type got_type = sh_elf_hash_entry (h)->got_type;
067653c5
AM
2755
2756 /* Make sure this symbol is output as a dynamic symbol.
2757 Undefined weak syms won't yet be marked as dynamic. */
2758 if (h->dynindx == -1
f5385ebf 2759 && !h->forced_local)
067653c5 2760 {
c152c796 2761 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2762 return FALSE;
067653c5
AM
2763 }
2764
ce558b89 2765 s = htab->root.sgot;
eea6121a
AM
2766 h->got.offset = s->size;
2767 s->size += 4;
3376eaf5 2768 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
8e45593f 2769 if (got_type == GOT_TLS_GD)
eea6121a 2770 s->size += 4;
067653c5 2771 dyn = htab->root.dynamic_sections_created;
8e45593f
NC
2772 if (!dyn)
2773 {
2774 /* No dynamic relocations required. */
0e1862bb 2775 if (htab->fdpic_p && !bfd_link_pic (info)
8e45593f
NC
2776 && h->root.type != bfd_link_hash_undefweak
2777 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
2778 htab->srofixup->size += 4;
2779 }
87458ed2 2780 /* No dynamic relocations required when IE->LE conversion happens. */
0e1862bb
L
2781 else if (got_type == GOT_TLS_IE
2782 && !h->def_dynamic
2783 && !bfd_link_pic (info))
87458ed2 2784 ;
267fb3c1 2785 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5 2786 R_SH_TLS_GD needs one if local symbol and two if global. */
8e45593f
NC
2787 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
2788 || got_type == GOT_TLS_IE)
ce558b89 2789 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 2790 else if (got_type == GOT_TLS_GD)
ce558b89 2791 htab->root.srelgot->size += 2 * sizeof (Elf32_External_Rela);
8e45593f
NC
2792 else if (got_type == GOT_FUNCDESC)
2793 {
0e1862bb 2794 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
2795 htab->srofixup->size += 4;
2796 else
ce558b89 2797 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 2798 }
04e534c3
KK
2799 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2800 || h->root.type != bfd_link_hash_undefweak)
0e1862bb 2801 && (bfd_link_pic (info)
04e534c3 2802 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
ce558b89 2803 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
0e1862bb
L
2804 else if (htab->fdpic_p
2805 && !bfd_link_pic (info)
2806 && got_type == GOT_NORMAL
8e45593f
NC
2807 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2808 || h->root.type != bfd_link_hash_undefweak))
2809 htab->srofixup->size += 4;
067653c5
AM
2810 }
2811 else
2812 h->got.offset = (bfd_vma) -1;
2813
8e45593f
NC
2814 /* Allocate space for any dynamic relocations to function
2815 descriptors, canonical or otherwise. We need to relocate the
2816 reference unless it resolves to zero, which only happens for
2817 undefined weak symbols (either non-default visibility, or when
2818 static linking). Any GOT slot is accounted for elsewhere. */
2819 if (eh->abs_funcdesc_refcount > 0
2820 && (h->root.type != bfd_link_hash_undefweak
2821 || (htab->root.dynamic_sections_created
2822 && ! SYMBOL_CALLS_LOCAL (info, h))))
2823 {
0e1862bb 2824 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
2825 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
2826 else
ce558b89 2827 htab->root.srelgot->size
8e45593f
NC
2828 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
2829 }
2830
2831 /* We must allocate a function descriptor if there are references to
2832 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
2833 the dynamic linker isn't going to allocate it. None of this
2834 applies if we already created one in .got.plt, but if the
2835 canonical function descriptor can be in this object, there
2836 won't be a PLT entry at all. */
2837 if ((eh->funcdesc.refcount > 0
2838 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
2839 && h->root.type != bfd_link_hash_undefweak
2840 && SYMBOL_FUNCDESC_LOCAL (info, h))
2841 {
2842 /* Make room for this function descriptor. */
2843 eh->funcdesc.offset = htab->sfuncdesc->size;
2844 htab->sfuncdesc->size += 8;
2845
2846 /* We will need a relocation or two fixups to initialize the
2847 function descriptor, so allocate those too. */
0e1862bb 2848 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
8e45593f
NC
2849 htab->srofixup->size += 8;
2850 else
2851 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
2852 }
2853
067653c5 2854 if (eh->dyn_relocs == NULL)
b34976b6 2855 return TRUE;
067653c5
AM
2856
2857 /* In the shared -Bsymbolic case, discard space allocated for
2858 dynamic pc-relative relocs against symbols which turn out to be
2859 defined in regular objects. For the normal shared case, discard
2860 space for pc-relative relocs that have become local due to symbol
2861 visibility changes. */
2862
0e1862bb 2863 if (bfd_link_pic (info))
067653c5 2864 {
3d85aebe 2865 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5 2866 {
3bf083ed 2867 struct elf_dyn_relocs **pp;
067653c5
AM
2868
2869 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2870 {
2871 p->count -= p->pc_count;
2872 p->pc_count = 0;
2873 if (p->count == 0)
2874 *pp = p->next;
2875 else
2876 pp = &p->next;
2877 }
2878 }
04e534c3 2879
3348747a
NS
2880 if (htab->vxworks_p)
2881 {
3bf083ed 2882 struct elf_dyn_relocs **pp;
3348747a
NS
2883
2884 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2885 {
2886 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2887 *pp = p->next;
2888 else
2889 pp = &p->next;
2890 }
2891 }
2892
04e534c3
KK
2893 /* Also discard relocs on undefined weak syms with non-default
2894 visibility. */
22d606e9 2895 if (eh->dyn_relocs != NULL
04e534c3 2896 && h->root.type == bfd_link_hash_undefweak)
22d606e9 2897 {
6ee6e05a
L
2898 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2899 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
22d606e9
AM
2900 eh->dyn_relocs = NULL;
2901
2902 /* Make sure undefined weak symbols are output as a dynamic
2903 symbol in PIEs. */
2904 else if (h->dynindx == -1
2905 && !h->forced_local)
2906 {
2907 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2908 return FALSE;
2909 }
2910 }
067653c5
AM
2911 }
2912 else
2913 {
2914 /* For the non-shared case, discard space for relocs against
2915 symbols which turn out to need copy relocs or are not
2916 dynamic. */
2917
f5385ebf
AM
2918 if (!h->non_got_ref
2919 && ((h->def_dynamic
2920 && !h->def_regular)
067653c5
AM
2921 || (htab->root.dynamic_sections_created
2922 && (h->root.type == bfd_link_hash_undefweak
2923 || h->root.type == bfd_link_hash_undefined))))
2924 {
2925 /* Make sure this symbol is output as a dynamic symbol.
2926 Undefined weak syms won't yet be marked as dynamic. */
2927 if (h->dynindx == -1
f5385ebf 2928 && !h->forced_local)
067653c5 2929 {
c152c796 2930 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2931 return FALSE;
067653c5
AM
2932 }
2933
2934 /* If that succeeded, we know we'll be keeping all the
2935 relocs. */
2936 if (h->dynindx != -1)
2937 goto keep;
2938 }
2939
2940 eh->dyn_relocs = NULL;
2941
2942 keep: ;
2943 }
2944
2945 /* Finally, allocate space. */
2946 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2947 {
2948 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 2949 sreloc->size += p->count * sizeof (Elf32_External_Rela);
8e45593f
NC
2950
2951 /* If we need relocations, we do not need fixups. */
0e1862bb 2952 if (htab->fdpic_p && !bfd_link_pic (info))
8e45593f 2953 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5
AM
2954 }
2955
b34976b6 2956 return TRUE;
067653c5
AM
2957}
2958
63c1f59d
AM
2959/* Set DF_TEXTREL if we find any dynamic relocs that apply to
2960 read-only sections. */
067653c5 2961
b34976b6 2962static bfd_boolean
63c1f59d 2963maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
067653c5 2964{
63c1f59d 2965 asection *sec;
067653c5 2966
63c1f59d
AM
2967 if (h->root.type == bfd_link_hash_indirect)
2968 return TRUE;
067653c5 2969
63c1f59d
AM
2970 sec = readonly_dynrelocs (h);
2971 if (sec != NULL)
2972 {
2973 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
067653c5 2974
63c1f59d
AM
2975 info->flags |= DF_TEXTREL;
2976 info->callbacks->minfo
c1c8c1ef 2977 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
63c1f59d 2978 sec->owner, h->root.root.string, sec);
a72f95f7 2979
63c1f59d
AM
2980 /* Not an error, just cut short the traversal. */
2981 return FALSE;
067653c5 2982 }
b34976b6 2983 return TRUE;
067653c5
AM
2984}
2985
55e6e397
RS
2986/* This function is called after all the input files have been read,
2987 and the input sections have been assigned to output sections.
2988 It's a convenient place to determine the PLT style. */
2989
2990static bfd_boolean
2991sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2992{
0e1862bb
L
2993 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd,
2994 bfd_link_pic (info));
8e45593f 2995
0e1862bb 2996 if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_relocatable (info)
04c3a755
NS
2997 && !bfd_elf_stack_segment_size (output_bfd, info,
2998 "__stacksize", DEFAULT_STACK_SIZE))
2999 return FALSE;
55e6e397
RS
3000 return TRUE;
3001}
3002
37c644f2
AO
3003/* Set the sizes of the dynamic sections. */
3004
b34976b6 3005static bfd_boolean
09fd220b
KK
3006sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3007 struct bfd_link_info *info)
37c644f2 3008{
067653c5 3009 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3010 bfd *dynobj;
3011 asection *s;
b34976b6 3012 bfd_boolean relocs;
067653c5 3013 bfd *ibfd;
37c644f2 3014
067653c5 3015 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
3016 if (htab == NULL)
3017 return FALSE;
3018
067653c5 3019 dynobj = htab->root.dynobj;
37c644f2
AO
3020 BFD_ASSERT (dynobj != NULL);
3021
067653c5 3022 if (htab->root.dynamic_sections_created)
37c644f2
AO
3023 {
3024 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 3025 if (bfd_link_executable (info) && !info->nointerp)
37c644f2 3026 {
3d4d4302 3027 s = bfd_get_linker_section (dynobj, ".interp");
37c644f2 3028 BFD_ASSERT (s != NULL);
eea6121a 3029 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
3030 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3031 }
3032 }
37c644f2 3033
067653c5
AM
3034 /* Set up .got offsets for local syms, and space for local dynamic
3035 relocs. */
c72f2fb2 3036 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
37c644f2 3037 {
067653c5
AM
3038 bfd_signed_vma *local_got;
3039 bfd_signed_vma *end_local_got;
8e45593f
NC
3040 union gotref *local_funcdesc, *end_local_funcdesc;
3041 char *local_got_type;
067653c5
AM
3042 bfd_size_type locsymcount;
3043 Elf_Internal_Shdr *symtab_hdr;
3044 asection *srel;
37c644f2 3045
0ffa91dd 3046 if (! is_sh_elf (ibfd))
37c644f2
AO
3047 continue;
3048
067653c5 3049 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 3050 {
3bf083ed 3051 struct elf_dyn_relocs *p;
067653c5 3052
3bf083ed 3053 for (p = ((struct elf_dyn_relocs *)
067653c5
AM
3054 elf_section_data (s)->local_dynrel);
3055 p != NULL;
3056 p = p->next)
37c644f2 3057 {
067653c5
AM
3058 if (! bfd_is_abs_section (p->sec)
3059 && bfd_is_abs_section (p->sec->output_section))
3060 {
3061 /* Input section has been discarded, either because
3062 it is a copy of a linkonce section or due to
3063 linker script /DISCARD/, so we'll be discarding
3064 the relocs too. */
3065 }
3348747a
NS
3066 else if (htab->vxworks_p
3067 && strcmp (p->sec->output_section->name,
3068 ".tls_vars") == 0)
3069 {
3070 /* Relocations in vxworks .tls_vars sections are
3071 handled specially by the loader. */
3072 }
067653c5
AM
3073 else if (p->count != 0)
3074 {
3075 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3076 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5 3077 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
a72f95f7
L
3078 {
3079 info->flags |= DF_TEXTREL;
871b3ab2 3080 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
a72f95f7
L
3081 p->sec->owner, p->sec);
3082 }
8e45593f
NC
3083
3084 /* If we need relocations, we do not need fixups. */
0e1862bb 3085 if (htab->fdpic_p && !bfd_link_pic (info))
8e45593f 3086 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5 3087 }
37c644f2
AO
3088 }
3089 }
067653c5 3090
0ffa91dd 3091 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5 3092 locsymcount = symtab_hdr->sh_info;
ce558b89
AM
3093 s = htab->root.sgot;
3094 srel = htab->root.srelgot;
8e45593f
NC
3095
3096 local_got = elf_local_got_refcounts (ibfd);
3097 if (local_got)
37c644f2 3098 {
8e45593f
NC
3099 end_local_got = local_got + locsymcount;
3100 local_got_type = sh_elf_local_got_type (ibfd);
3101 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3102 for (; local_got < end_local_got; ++local_got)
37c644f2 3103 {
8e45593f
NC
3104 if (*local_got > 0)
3105 {
3106 *local_got = s->size;
3107 s->size += 4;
3108 if (*local_got_type == GOT_TLS_GD)
3109 s->size += 4;
0e1862bb 3110 if (bfd_link_pic (info))
8e45593f
NC
3111 srel->size += sizeof (Elf32_External_Rela);
3112 else
3113 htab->srofixup->size += 4;
3114
3115 if (*local_got_type == GOT_FUNCDESC)
3116 {
3117 if (local_funcdesc == NULL)
3118 {
3119 bfd_size_type size;
3120
3121 size = locsymcount * sizeof (union gotref);
3122 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3123 size);
3124 if (local_funcdesc == NULL)
3125 return FALSE;
3126 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3127 local_funcdesc += (local_got
3128 - elf_local_got_refcounts (ibfd));
3129 }
3130 local_funcdesc->refcount++;
3131 ++local_funcdesc;
3132 }
3133 }
3134 else
3135 *local_got = (bfd_vma) -1;
3136 ++local_got_type;
3137 }
3138 }
3139
3140 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3141 if (local_funcdesc)
3142 {
3143 end_local_funcdesc = local_funcdesc + locsymcount;
3144
3145 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3146 {
3147 if (local_funcdesc->refcount > 0)
3148 {
3149 local_funcdesc->offset = htab->sfuncdesc->size;
3150 htab->sfuncdesc->size += 8;
0e1862bb 3151 if (!bfd_link_pic (info))
8e45593f
NC
3152 htab->srofixup->size += 8;
3153 else
3154 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3155 }
3156 else
3157 local_funcdesc->offset = MINUS_ONE;
37c644f2 3158 }
37c644f2 3159 }
8e45593f 3160
067653c5
AM
3161 }
3162
3376eaf5
KK
3163 if (htab->tls_ldm_got.refcount > 0)
3164 {
3165 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3166 relocs. */
ce558b89
AM
3167 htab->tls_ldm_got.offset = htab->root.sgot->size;
3168 htab->root.sgot->size += 8;
3169 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3170 }
3171 else
3172 htab->tls_ldm_got.offset = -1;
3173
8e45593f
NC
3174 /* Only the reserved entries should be present. For FDPIC, they go at
3175 the end of .got.plt. */
3176 if (htab->fdpic_p)
3177 {
ce558b89
AM
3178 BFD_ASSERT (htab->root.sgotplt && htab->root.sgotplt->size == 12);
3179 htab->root.sgotplt->size = 0;
8e45593f
NC
3180 }
3181
067653c5
AM
3182 /* Allocate global sym .plt and .got entries, and space for global
3183 sym dynamic relocs. */
09fd220b 3184 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5 3185
8e45593f
NC
3186 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3187 end of the FDPIC .got.plt. */
3188 if (htab->fdpic_p)
3189 {
ce558b89
AM
3190 htab->root.hgot->root.u.def.value = htab->root.sgotplt->size;
3191 htab->root.sgotplt->size += 12;
8e45593f
NC
3192 }
3193
3194 /* At the very end of the .rofixup section is a pointer to the GOT. */
3195 if (htab->fdpic_p && htab->srofixup != NULL)
3196 htab->srofixup->size += 4;
3197
067653c5
AM
3198 /* We now have determined the sizes of the various dynamic sections.
3199 Allocate memory for them. */
b34976b6 3200 relocs = FALSE;
067653c5
AM
3201 for (s = dynobj->sections; s != NULL; s = s->next)
3202 {
3203 if ((s->flags & SEC_LINKER_CREATED) == 0)
3204 continue;
3205
ce558b89
AM
3206 if (s == htab->root.splt
3207 || s == htab->root.sgot
3208 || s == htab->root.sgotplt
8e45593f
NC
3209 || s == htab->sfuncdesc
3210 || s == htab->srofixup
c456f082 3211 || s == htab->sdynbss)
067653c5
AM
3212 {
3213 /* Strip this section if we don't need it; see the
3214 comment below. */
3215 }
fd361982 3216 else if (CONST_STRNEQ (bfd_section_name (s), ".rela"))
067653c5 3217 {
ce558b89 3218 if (s->size != 0 && s != htab->root.srelplt && s != htab->srelplt2)
b34976b6 3219 relocs = TRUE;
067653c5
AM
3220
3221 /* We use the reloc_count field as a counter if we need
3222 to copy relocs into the output file. */
3223 s->reloc_count = 0;
3224 }
3225 else
37c644f2
AO
3226 {
3227 /* It's not one of our sections, so don't allocate space. */
3228 continue;
3229 }
3230
eea6121a 3231 if (s->size == 0)
37c644f2 3232 {
067653c5
AM
3233 /* If we don't need this section, strip it from the
3234 output file. This is mostly to handle .rela.bss and
3235 .rela.plt. We must create both sections in
3236 create_dynamic_sections, because they must be created
3237 before the linker maps input sections to output
3238 sections. The linker does that before
3239 adjust_dynamic_symbol is called, and it is that
3240 function which decides whether anything needs to go
3241 into these sections. */
3242
8423293d 3243 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3244 continue;
3245 }
3246
c456f082
AM
3247 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3248 continue;
3249
067653c5
AM
3250 /* Allocate memory for the section contents. We use bfd_zalloc
3251 here in case unused entries are not reclaimed before the
3252 section's contents are written out. This should not happen,
3253 but this way if it does, we get a R_SH_NONE reloc instead
3254 of garbage. */
eea6121a 3255 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3256 if (s->contents == NULL)
b34976b6 3257 return FALSE;
37c644f2
AO
3258 }
3259
067653c5 3260 if (htab->root.dynamic_sections_created)
37c644f2
AO
3261 {
3262 /* Add some entries to the .dynamic section. We fill in the
3263 values later, in sh_elf_finish_dynamic_sections, but we
3264 must add the entries now so that we get the correct size for
3265 the .dynamic section. The DT_DEBUG entry is filled in by the
3266 dynamic linker and used by the debugger. */
dc810e39 3267#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3268 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3269
0e1862bb 3270 if (bfd_link_executable (info))
37c644f2 3271 {
067653c5 3272 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3273 return FALSE;
37c644f2
AO
3274 }
3275
ce558b89 3276 if (htab->root.splt->size != 0)
37c644f2 3277 {
067653c5
AM
3278 if (! add_dynamic_entry (DT_PLTGOT, 0)
3279 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3280 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3281 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3282 return FALSE;
37c644f2 3283 }
b4b0e149 3284 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC))
8e45593f
NC
3285 {
3286 if (! add_dynamic_entry (DT_PLTGOT, 0))
3287 return FALSE;
3288 }
37c644f2
AO
3289
3290 if (relocs)
3291 {
067653c5
AM
3292 if (! add_dynamic_entry (DT_RELA, 0)
3293 || ! add_dynamic_entry (DT_RELASZ, 0)
3294 || ! add_dynamic_entry (DT_RELAENT,
3295 sizeof (Elf32_External_Rela)))
b34976b6 3296 return FALSE;
37c644f2 3297
067653c5
AM
3298 /* If any dynamic relocs apply to a read-only section,
3299 then we need a DT_TEXTREL entry. */
3300 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 3301 elf_link_hash_traverse (&htab->root, maybe_set_textrel, info);
067653c5
AM
3302
3303 if ((info->flags & DF_TEXTREL) != 0)
3304 {
3305 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3306 return FALSE;
067653c5 3307 }
37c644f2 3308 }
7a2b07ff
NS
3309 if (htab->vxworks_p
3310 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3311 return FALSE;
37c644f2 3312 }
dc810e39 3313#undef add_dynamic_entry
37c644f2 3314
b34976b6 3315 return TRUE;
37c644f2 3316}
37c644f2 3317\f
8e45593f 3318/* Add a dynamic relocation to the SRELOC section. */
37c644f2 3319
8e45593f
NC
3320inline static bfd_vma
3321sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3322 int reloc_type, long dynindx, bfd_vma addend)
37c644f2 3323{
8e45593f
NC
3324 Elf_Internal_Rela outrel;
3325 bfd_vma reloc_offset;
37c644f2 3326
8e45593f
NC
3327 outrel.r_offset = offset;
3328 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3329 outrel.r_addend = addend;
0ffa91dd 3330
8e45593f
NC
3331 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3332 BFD_ASSERT (reloc_offset < sreloc->size);
3333 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3334 sreloc->contents + reloc_offset);
3335 sreloc->reloc_count++;
37c644f2 3336
8e45593f
NC
3337 return reloc_offset;
3338}
37c644f2 3339
8e45593f 3340/* Add an FDPIC read-only fixup. */
37c644f2 3341
8e45593f
NC
3342inline static void
3343sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3344{
3345 bfd_vma fixup_offset;
3346
3347 fixup_offset = srofixup->reloc_count++ * 4;
3348 BFD_ASSERT (fixup_offset < srofixup->size);
3349 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3350}
3351
3352/* Return the offset of the generated .got section from the
3353 _GLOBAL_OFFSET_TABLE_ symbol. */
3354
3355static bfd_signed_vma
3356sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3357{
ce558b89 3358 return (htab->root.sgot->output_offset - htab->root.sgotplt->output_offset
8e45593f
NC
3359 - htab->root.hgot->root.u.def.value);
3360}
3361
3362/* Find the segment number in which OSEC, and output section, is
3363 located. */
3364
3365static unsigned
3366sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3367{
3d301fdc
AM
3368 Elf_Internal_Phdr *p = NULL;
3369
5bc8cb6f
NC
3370 if (output_bfd->xvec->flavour == bfd_target_elf_flavour
3371 /* PR ld/17110: Do not look for output segments in an input bfd. */
3372 && output_bfd->direction != read_direction)
3d301fdc 3373 p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
8e45593f
NC
3374
3375 /* FIXME: Nothing ever says what this index is relative to. The kernel
3376 supplies data in terms of the number of load segments but this is
3377 a phdr index and the first phdr may not be a load segment. */
3378 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3379}
3380
3381static bfd_boolean
3382sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3383{
3384 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3385
3d301fdc
AM
3386 return (seg != (unsigned) -1
3387 && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
8e45593f
NC
3388}
3389
3390/* Generate the initial contents of a local function descriptor, along
3391 with any relocations or fixups required. */
3392static bfd_boolean
3393sh_elf_initialize_funcdesc (bfd *output_bfd,
3394 struct bfd_link_info *info,
3395 struct elf_link_hash_entry *h,
3396 bfd_vma offset,
3397 asection *section,
3398 bfd_vma value)
3399{
3400 struct elf_sh_link_hash_table *htab;
3401 int dynindx;
3402 bfd_vma addr, seg;
3403
3404 htab = sh_elf_hash_table (info);
3405
3406 /* FIXME: The ABI says that the offset to the function goes in the
3407 descriptor, along with the segment index. We're RELA, so it could
3408 go in the reloc instead... */
3409
3410 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3411 {
3412 section = h->root.u.def.section;
3413 value = h->root.u.def.value;
3414 }
3415
3416 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3417 {
3418 dynindx = elf_section_data (section->output_section)->dynindx;
3419 addr = value + section->output_offset;
3420 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3421 }
3422 else
3423 {
3424 BFD_ASSERT (h->dynindx != -1);
3425 dynindx = h->dynindx;
3426 addr = seg = 0;
3427 }
3428
0e1862bb 3429 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
8e45593f
NC
3430 {
3431 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3432 {
3433 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3434 offset
3435 + htab->sfuncdesc->output_section->vma
3436 + htab->sfuncdesc->output_offset);
3437 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3438 offset + 4
3439 + htab->sfuncdesc->output_section->vma
3440 + htab->sfuncdesc->output_offset);
3441 }
3442
3443 /* There are no dynamic relocations so fill in the final
3444 address and gp value (barring fixups). */
3445 addr += section->output_section->vma;
3446 seg = htab->root.hgot->root.u.def.value
3447 + htab->root.hgot->root.u.def.section->output_section->vma
3448 + htab->root.hgot->root.u.def.section->output_offset;
3449 }
3450 else
3451 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3452 offset
3453 + htab->sfuncdesc->output_section->vma
3454 + htab->sfuncdesc->output_offset,
3455 R_SH_FUNCDESC_VALUE, dynindx, 0);
3456
3457 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3458 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3459
3460 return TRUE;
3461}
3462
3463/* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3464 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3465 otherwise. */
3466
3467static bfd_reloc_status_type
3468install_movi20_field (bfd *output_bfd, unsigned long relocation,
3469 bfd *input_bfd, asection *input_section,
3470 bfd_byte *contents, bfd_vma offset)
3471{
3472 unsigned long cur_val;
3473 bfd_byte *addr;
3474 bfd_reloc_status_type r;
3475
3476 if (offset > bfd_get_section_limit (input_bfd, input_section))
3477 return bfd_reloc_outofrange;
3478
3479 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3480 bfd_arch_bits_per_address (input_bfd), relocation);
3481 if (r != bfd_reloc_ok)
3482 return r;
3483
3484 addr = contents + offset;
3485 cur_val = bfd_get_16 (output_bfd, addr);
3486 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3487 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3488
3489 return bfd_reloc_ok;
3490}
3491
3492/* Relocate an SH ELF section. */
3493
3494static bfd_boolean
3495sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3496 bfd *input_bfd, asection *input_section,
3497 bfd_byte *contents, Elf_Internal_Rela *relocs,
3498 Elf_Internal_Sym *local_syms,
3499 asection **local_sections)
3500{
3501 struct elf_sh_link_hash_table *htab;
3502 Elf_Internal_Shdr *symtab_hdr;
3503 struct elf_link_hash_entry **sym_hashes;
3504 Elf_Internal_Rela *rel, *relend;
8e45593f 3505 bfd_vma *local_got_offsets;
e0af1f53
MR
3506 asection *sgot = NULL;
3507 asection *sgotplt = NULL;
3508 asection *splt = NULL;
3509 asection *sreloc = NULL;
3510 asection *srelgot = NULL;
8e45593f
NC
3511 bfd_boolean is_vxworks_tls;
3512 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
e0af1f53 3513 bfd_boolean fdpic_p = FALSE;
8e45593f 3514
7af5d5c4
AM
3515 if (!is_sh_elf (input_bfd))
3516 {
3517 bfd_set_error (bfd_error_wrong_format);
3518 return FALSE;
3519 }
8e45593f
NC
3520
3521 htab = sh_elf_hash_table (info);
e0af1f53
MR
3522 if (htab != NULL)
3523 {
ce558b89
AM
3524 sgot = htab->root.sgot;
3525 sgotplt = htab->root.sgotplt;
3526 srelgot = htab->root.srelgot;
3527 splt = htab->root.splt;
e0af1f53
MR
3528 fdpic_p = htab->fdpic_p;
3529 }
8e45593f
NC
3530 symtab_hdr = &elf_symtab_hdr (input_bfd);
3531 sym_hashes = elf_sym_hashes (input_bfd);
8e45593f
NC
3532 local_got_offsets = elf_local_got_offsets (input_bfd);
3533
3534 isec_segment = sh_elf_osec_to_segment (output_bfd,
3535 input_section->output_section);
e0af1f53 3536 if (fdpic_p && sgot)
8e45593f 3537 got_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3538 sgot->output_section);
8e45593f
NC
3539 else
3540 got_segment = -1;
e0af1f53 3541 if (fdpic_p && splt)
8e45593f 3542 plt_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3543 splt->output_section);
8e45593f
NC
3544 else
3545 plt_segment = -1;
3546
8e45593f
NC
3547 /* We have to handle relocations in vxworks .tls_vars sections
3548 specially, because the dynamic loader is 'weird'. */
0e1862bb 3549 is_vxworks_tls = (htab && htab->vxworks_p && bfd_link_pic (info)
8e45593f
NC
3550 && !strcmp (input_section->output_section->name,
3551 ".tls_vars"));
3552
3553 rel = relocs;
3554 relend = relocs + input_section->reloc_count;
3555 for (; rel < relend; rel++)
3556 {
3557 int r_type;
3558 reloc_howto_type *howto;
3559 unsigned long r_symndx;
3560 Elf_Internal_Sym *sym;
3561 asection *sec;
3562 struct elf_link_hash_entry *h;
3563 bfd_vma relocation;
3564 bfd_vma addend = (bfd_vma) 0;
3565 bfd_reloc_status_type r;
8e45593f 3566 bfd_vma off;
85e02784 3567 enum got_type got_type;
8e45593f 3568 const char *symname = NULL;
6ee6e05a 3569 bfd_boolean resolved_to_zero;
8e45593f
NC
3570
3571 r_symndx = ELF32_R_SYM (rel->r_info);
37c644f2 3572
37c644f2
AO
3573 r_type = ELF32_R_TYPE (rel->r_info);
3574
3575 /* Many of the relocs are only used for relaxing, and are
067653c5 3576 handled entirely by the relaxation code. */
d38eb334
DD
3577 if (r_type >= (int) R_SH_GNU_VTINHERIT
3578 && r_type <= (int) R_SH_LABEL)
37c644f2 3579 continue;
c5aeb40f
AO
3580 if (r_type == (int) R_SH_NONE)
3581 continue;
37c644f2
AO
3582
3583 if (r_type < 0
3584 || r_type >= R_SH_max
3585 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3586 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
8e45593f
NC
3587 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3588 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
fbca6ad9
AO
3589 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3590 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3591 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3592 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3593 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3594 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
8e45593f
NC
3595 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
3596 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
37c644f2
AO
3597 {
3598 bfd_set_error (bfd_error_bad_value);
b34976b6 3599 return FALSE;
37c644f2
AO
3600 }
3601
55e6e397 3602 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3603
146be91a 3604 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3605 the relocation. */
146be91a
HPN
3606 if (! howto->partial_inplace)
3607 addend = rel->r_addend;
3608
6ee6e05a 3609 resolved_to_zero = FALSE;
37c644f2
AO
3610 h = NULL;
3611 sym = NULL;
3612 sec = NULL;
8e45593f
NC
3613 check_segment[0] = -1;
3614 check_segment[1] = -1;
37c644f2
AO
3615 if (r_symndx < symtab_hdr->sh_info)
3616 {
3617 sym = local_syms + r_symndx;
3618 sec = local_sections[r_symndx];
8e45593f
NC
3619
3620 symname = bfd_elf_string_from_elf_section
3621 (input_bfd, symtab_hdr->sh_link, sym->st_name);
3622 if (symname == NULL || *symname == '\0')
fd361982 3623 symname = bfd_section_name (sec);
8e45593f 3624
37c644f2
AO
3625 relocation = (sec->output_section->vma
3626 + sec->output_offset
3627 + sym->st_value);
ab96bf03 3628
dbaa2011 3629 if (sec != NULL && discarded_section (sec))
ab96bf03
AM
3630 /* Handled below. */
3631 ;
0e1862bb 3632 else if (bfd_link_relocatable (info))
8a3975e6 3633 {
1049f94e 3634 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3635 anything, unless the reloc is against a section symbol,
3636 in which case we have to adjust according to where the
3637 section symbol winds up in the output section. */
8a3975e6 3638 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3639 {
3640 if (! howto->partial_inplace)
3641 {
3642 /* For relocations with the addend in the
3643 relocation, we need just to update the addend.
3644 All real relocs are of type partial_inplace; this
3645 code is mostly for completeness. */
ab96bf03 3646 rel->r_addend += sec->output_offset;
146be91a
HPN
3647
3648 continue;
3649 }
3650
3651 /* Relocs of type partial_inplace need to pick up the
3652 contents in the contents and add the offset resulting
3653 from the changed location of the section symbol.
3654 Using _bfd_final_link_relocate (e.g. goto
3655 final_link_relocate) here would be wrong, because
3656 relocations marked pc_relative would get the current
3657 location subtracted, and we must only do that at the
3658 final link. */
3659 r = _bfd_relocate_contents (howto, input_bfd,
3660 sec->output_offset
3661 + sym->st_value,
3662 contents + rel->r_offset);
3663 goto relocation_done;
3664 }
8a3975e6
AO
3665
3666 continue;
3667 }
f8df10f4
JJ
3668 else if (! howto->partial_inplace)
3669 {
8517fae7 3670 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
3671 addend = rel->r_addend;
3672 }
3673 else if ((sec->flags & SEC_MERGE)
3674 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3675 {
3676 asection *msec;
3677
3678 if (howto->rightshift || howto->src_mask != 0xffffffff)
3679 {
4eca0228 3680 _bfd_error_handler
695344c0 3681 /* xgettext:c-format */
2dcf00ce
AM
3682 (_("%pB(%pA+%#" PRIx64 "): "
3683 "%s relocation against SEC_MERGE section"),
d003868e 3684 input_bfd, input_section,
2dcf00ce 3685 (uint64_t) rel->r_offset, howto->name);
b34976b6 3686 return FALSE;
f8df10f4
JJ
3687 }
3688
067653c5
AM
3689 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3690 msec = sec;
3691 addend =
c629eae0 3692 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
3693 - relocation;
3694 addend += msec->output_section->vma + msec->output_offset;
3695 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3696 addend = 0;
3697 }
37c644f2
AO
3698 }
3699 else
3700 {
560e09e9
NC
3701 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3702
ab96bf03 3703 relocation = 0;
37c644f2 3704 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
8e45593f 3705 symname = h->root.root.string;
37c644f2
AO
3706 while (h->root.type == bfd_link_hash_indirect
3707 || h->root.type == bfd_link_hash_warning)
211dc24b 3708 h = (struct elf_link_hash_entry *) h->root.u.i.link;
37c644f2
AO
3709 if (h->root.type == bfd_link_hash_defined
3710 || h->root.type == bfd_link_hash_defweak)
3711 {
b34976b6 3712 bfd_boolean dyn;
067653c5 3713
e0af1f53 3714 dyn = htab ? htab->root.dynamic_sections_created : FALSE;
37c644f2
AO
3715 sec = h->root.u.def.section;
3716 /* In these cases, we don't need the relocation value.
3717 We check specially because in some obscure cases
435b1e90 3718 sec->output_section will be NULL. */
37c644f2 3719 if (r_type == R_SH_GOTPC
fbca6ad9
AO
3720 || r_type == R_SH_GOTPC_LOW16
3721 || r_type == R_SH_GOTPC_MEDLOW16
3722 || r_type == R_SH_GOTPC_MEDHI16
3723 || r_type == R_SH_GOTPC_HI16
3724 || ((r_type == R_SH_PLT32
3725 || r_type == R_SH_PLT_LOW16
3726 || r_type == R_SH_PLT_MEDLOW16
3727 || r_type == R_SH_PLT_MEDHI16
3728 || r_type == R_SH_PLT_HI16)
37c644f2 3729 && h->plt.offset != (bfd_vma) -1)
fbca6ad9 3730 || ((r_type == R_SH_GOT32
8e45593f
NC
3731 || r_type == R_SH_GOT20
3732 || r_type == R_SH_GOTFUNCDESC
3733 || r_type == R_SH_GOTFUNCDESC20
3734 || r_type == R_SH_GOTOFFFUNCDESC
3735 || r_type == R_SH_GOTOFFFUNCDESC20
3736 || r_type == R_SH_FUNCDESC
fbca6ad9
AO
3737 || r_type == R_SH_GOT_LOW16
3738 || r_type == R_SH_GOT_MEDLOW16
3739 || r_type == R_SH_GOT_MEDHI16
3740 || r_type == R_SH_GOT_HI16)
0e1862bb
L
3741 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3742 bfd_link_pic (info),
3743 h)
3744 && (! bfd_link_pic (info)
37c644f2 3745 || (! info->symbolic && h->dynindx != -1)
f5385ebf 3746 || !h->def_regular))
37c644f2
AO
3747 /* The cases above are those in which relocation is
3748 overwritten in the switch block below. The cases
3749 below are those in which we must defer relocation
3750 to run-time, because we can't resolve absolute
3751 addresses when creating a shared library. */
0e1862bb 3752 || (bfd_link_pic (info)
37c644f2 3753 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 3754 || !h->def_regular)
37c644f2 3755 && ((r_type == R_SH_DIR32
f5385ebf 3756 && !h->forced_local)
f50ad433
KK
3757 || (r_type == R_SH_REL32
3758 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3759 && ((input_section->flags & SEC_ALLOC) != 0
3760 /* DWARF will emit R_SH_DIR32 relocations in its
3761 sections against symbols defined externally
3762 in shared libraries. We can't do anything
3763 with them here. */
067653c5 3764 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3765 && h->def_dynamic)))
1448fa32
KK
3766 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3767 sections because such sections are not SEC_ALLOC and
3768 thus ld.so will not process them. */
3769 || (sec->output_section == NULL
3770 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3771 && h->def_dynamic))
3376eaf5 3772 || (sec->output_section == NULL
8e45593f
NC
3773 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
3774 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
ab96bf03
AM
3775 ;
3776 else if (sec->output_section != NULL)
fad3d2c1 3777 relocation = (h->root.u.def.value
ab96bf03 3778 + sec->output_section->vma
fad3d2c1 3779 + sec->output_offset);
0e1862bb 3780 else if (!bfd_link_relocatable (info)
1d5316ab
AM
3781 && (_bfd_elf_section_offset (output_bfd, info,
3782 input_section,
3783 rel->r_offset)
3784 != (bfd_vma) -1))
37c644f2 3785 {
4eca0228 3786 _bfd_error_handler
695344c0 3787 /* xgettext:c-format */
2dcf00ce
AM
3788 (_("%pB(%pA+%#" PRIx64 "): "
3789 "unresolvable %s relocation against symbol `%s'"),
843fe662
L
3790 input_bfd,
3791 input_section,
2dcf00ce 3792 (uint64_t) rel->r_offset,
843fe662
L
3793 howto->name,
3794 h->root.root.string);
b34976b6 3795 return FALSE;
37c644f2 3796 }
37c644f2
AO
3797 }
3798 else if (h->root.type == bfd_link_hash_undefweak)
6ee6e05a 3799 resolved_to_zero = UNDEFWEAK_NO_DYNAMIC_RELOC (info, h);
59c2e50f 3800 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 3801 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03 3802 ;
0e1862bb 3803 else if (!bfd_link_relocatable (info))
95a51568
FS
3804 info->callbacks->undefined_symbol
3805 (info, h->root.root.string, input_bfd, input_section,
3806 rel->r_offset,
3807 (info->unresolved_syms_in_objects == RM_DIAGNOSE
3808 && !info->warn_unresolved_syms)
3809 || ELF_ST_VISIBILITY (h->other));
3810 }
37c644f2 3811
dbaa2011 3812 if (sec != NULL && discarded_section (sec))
e4067dbb 3813 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 3814 rel, 1, relend, howto, 0, contents);
ab96bf03 3815
0e1862bb 3816 if (bfd_link_relocatable (info))
ab96bf03
AM
3817 continue;
3818
8e45593f
NC
3819 /* Check for inter-segment relocations in FDPIC files. Most
3820 relocations connect the relocation site to the location of
3821 the target symbol, but there are some exceptions below. */
3822 check_segment[0] = isec_segment;
3823 if (sec != NULL)
3824 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
3825 sec->output_section);
3826 else
3827 check_segment[1] = -1;
3828
435b1e90 3829 switch ((int) r_type)
37c644f2
AO
3830 {
3831 final_link_relocate:
3832 /* COFF relocs don't use the addend. The addend is used for
435b1e90 3833 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
3834 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3835 contents, rel->r_offset,
3836 relocation, addend);
3837 break;
3838
3839 case R_SH_IND12W:
cd6ec716
DD
3840 goto final_link_relocate;
3841
37c644f2
AO
3842 case R_SH_DIR8WPN:
3843 case R_SH_DIR8WPZ:
3844 case R_SH_DIR8WPL:
cd6ec716
DD
3845 /* If the reloc is against the start of this section, then
3846 the assembler has already taken care of it and the reloc
3847 is here only to assist in relaxing. If the reloc is not
3848 against the start of this section, then it's against an
3849 external symbol and we must deal with it ourselves. */
3850 if (input_section->output_section->vma + input_section->output_offset
3851 != relocation)
3852 {
3853 int disp = (relocation
3854 - input_section->output_section->vma
3855 - input_section->output_offset
3856 - rel->r_offset);
3857 int mask = 0;
3858 switch (r_type)
3859 {
3860 case R_SH_DIR8WPN:
3861 case R_SH_DIR8WPZ: mask = 1; break;
3862 case R_SH_DIR8WPL: mask = 3; break;
3863 default: mask = 0; break;
3864 }
3865 if (disp & mask)
3866 {
4eca0228 3867 _bfd_error_handler
695344c0 3868 /* xgettext:c-format */
2dcf00ce
AM
3869 (_("%pB: %#" PRIx64 ": fatal: "
3870 "unaligned branch target for relax-support relocation"),
4eca0228 3871 input_section->owner,
2dcf00ce 3872 (uint64_t) rel->r_offset);
cd6ec716 3873 bfd_set_error (bfd_error_bad_value);
b34976b6 3874 return FALSE;
cd6ec716
DD
3875 }
3876 relocation -= 4;
3877 goto final_link_relocate;
3878 }
3879 r = bfd_reloc_ok;
3880 break;
37c644f2
AO
3881
3882 default:
3883 bfd_set_error (bfd_error_bad_value);
b34976b6 3884 return FALSE;
37c644f2 3885
d38eb334
DD
3886 case R_SH_DIR16:
3887 case R_SH_DIR8:
3888 case R_SH_DIR8U:
3889 case R_SH_DIR8S:
3890 case R_SH_DIR4U:
3891 goto final_link_relocate;
3892
3893 case R_SH_DIR8UL:
3894 case R_SH_DIR4UL:
3895 if (relocation & 3)
3896 {
4eca0228 3897 _bfd_error_handler
695344c0 3898 /* xgettext:c-format */
2dcf00ce
AM
3899 (_("%pB: %#" PRIx64 ": fatal: "
3900 "unaligned %s relocation %#" PRIx64),
3901 input_section->owner, (uint64_t) rel->r_offset,
3902 howto->name, (uint64_t) relocation);
d38eb334
DD
3903 bfd_set_error (bfd_error_bad_value);
3904 return FALSE;
3905 }
3906 goto final_link_relocate;
3907
3908 case R_SH_DIR8UW:
3909 case R_SH_DIR8SW:
3910 case R_SH_DIR4UW:
3911 if (relocation & 1)
3912 {
4eca0228 3913 _bfd_error_handler
695344c0 3914 /* xgettext:c-format */
2dcf00ce
AM
3915 (_("%pB: %#" PRIx64 ": fatal: "
3916 "unaligned %s relocation %#" PRIx64 ""),
4eca0228 3917 input_section->owner,
2dcf00ce
AM
3918 (uint64_t) rel->r_offset, howto->name,
3919 (uint64_t) relocation);
d38eb334
DD
3920 bfd_set_error (bfd_error_bad_value);
3921 return FALSE;
3922 }
3923 goto final_link_relocate;
3924
3925 case R_SH_PSHA:
3926 if ((signed int)relocation < -32
3927 || (signed int)relocation > 32)
3928 {
4eca0228 3929 _bfd_error_handler
695344c0 3930 /* xgettext:c-format */
2dcf00ce
AM
3931 (_("%pB: %#" PRIx64 ": fatal: R_SH_PSHA relocation %" PRId64
3932 " not in range -32..32"),
4eca0228 3933 input_section->owner,
2dcf00ce
AM
3934 (uint64_t) rel->r_offset,
3935 (int64_t) relocation);
d38eb334
DD
3936 bfd_set_error (bfd_error_bad_value);
3937 return FALSE;
3938 }
3939 goto final_link_relocate;
3940
3941 case R_SH_PSHL:
3942 if ((signed int)relocation < -16
3943 || (signed int)relocation > 16)
3944 {
4eca0228 3945 _bfd_error_handler
695344c0 3946 /* xgettext:c-format */
2dcf00ce
AM
3947 (_("%pB: %#" PRIx64 ": fatal: R_SH_PSHL relocation %" PRId64
3948 " not in range -32..32"),
4eca0228 3949 input_section->owner,
2dcf00ce
AM
3950 (uint64_t) rel->r_offset,
3951 (int64_t) relocation);
d38eb334
DD
3952 bfd_set_error (bfd_error_bad_value);
3953 return FALSE;
3954 }
3955 goto final_link_relocate;
3956
37c644f2
AO
3957 case R_SH_DIR32:
3958 case R_SH_REL32:
0e1862bb 3959 if (bfd_link_pic (info)
04e534c3 3960 && (h == NULL
6ee6e05a
L
3961 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3962 && !resolved_to_zero)
04e534c3 3963 || h->root.type != bfd_link_hash_undefweak)
cf35638d 3964 && r_symndx != STN_UNDEF
37c644f2 3965 && (input_section->flags & SEC_ALLOC) != 0
3348747a 3966 && !is_vxworks_tls
46e993b9 3967 && (r_type == R_SH_DIR32
3d85aebe 3968 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3969 {
3970 Elf_Internal_Rela outrel;
947216bf 3971 bfd_byte *loc;
b34976b6 3972 bfd_boolean skip, relocate;
37c644f2
AO
3973
3974 /* When generating a shared object, these relocations
3975 are copied into the output file to be resolved at run
3976 time. */
3977
3978 if (sreloc == NULL)
3979 {
83bac4b0
NC
3980 sreloc = _bfd_elf_get_dynamic_reloc_section
3981 (input_bfd, input_section, /*rela?*/ TRUE);
3982 if (sreloc == NULL)
b34976b6 3983 return FALSE;
37c644f2
AO
3984 }
3985
b34976b6
AM
3986 skip = FALSE;
3987 relocate = FALSE;
37c644f2 3988
c629eae0
JJ
3989 outrel.r_offset =
3990 _bfd_elf_section_offset (output_bfd, info, input_section,
3991 rel->r_offset);
3992 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 3993 skip = TRUE;
0bb2d96a 3994 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 3995 skip = TRUE, relocate = TRUE;
37c644f2
AO
3996 outrel.r_offset += (input_section->output_section->vma
3997 + input_section->output_offset);
3998
3999 if (skip)
0bb2d96a 4000 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
4001 else if (r_type == R_SH_REL32)
4002 {
4003 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 4004 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 4005 outrel.r_addend
55e6e397
RS
4006 = (howto->partial_inplace
4007 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4008 : addend);
37c644f2 4009 }
e0af1f53 4010 else if (fdpic_p
8e45593f
NC
4011 && (h == NULL
4012 || ((info->symbolic || h->dynindx == -1)
4013 && h->def_regular)))
4014 {
4015 int dynindx;
4016
4017 BFD_ASSERT (sec != NULL);
4018 BFD_ASSERT (sec->output_section != NULL);
4019 dynindx = elf_section_data (sec->output_section)->dynindx;
4020 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4021 outrel.r_addend = relocation;
4022 outrel.r_addend
4023 += (howto->partial_inplace
4024 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4025 : addend);
4026 outrel.r_addend -= sec->output_section->vma;
4027 }
37c644f2
AO
4028 else
4029 {
4030 /* h->dynindx may be -1 if this symbol was marked to
4031 become local. */
4032 if (h == NULL
4033 || ((info->symbolic || h->dynindx == -1)
f5385ebf 4034 && h->def_regular))
37c644f2 4035 {
55e6e397 4036 relocate = howto->partial_inplace;
37c644f2 4037 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
4038 }
4039 else
4040 {
4041 BFD_ASSERT (h->dynindx != -1);
37c644f2 4042 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 4043 }
55e6e397
RS
4044 outrel.r_addend = relocation;
4045 outrel.r_addend
4046 += (howto->partial_inplace
4047 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4048 : addend);
37c644f2
AO
4049 }
4050
947216bf
AM
4051 loc = sreloc->contents;
4052 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4053 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4054
8e45593f
NC
4055 check_segment[0] = check_segment[1] = -1;
4056
37c644f2
AO
4057 /* If this reloc is against an external symbol, we do
4058 not want to fiddle with the addend. Otherwise, we
4059 need to include the symbol value so that it becomes
4060 an addend for the dynamic reloc. */
4061 if (! relocate)
4062 continue;
4063 }
0e1862bb 4064 else if (fdpic_p && !bfd_link_pic (info)
8e45593f
NC
4065 && r_type == R_SH_DIR32
4066 && (input_section->flags & SEC_ALLOC) != 0)
4067 {
4068 bfd_vma offset;
4069
e0af1f53
MR
4070 BFD_ASSERT (htab);
4071
8e45593f
NC
4072 if (sh_elf_osec_readonly_p (output_bfd,
4073 input_section->output_section))
4074 {
4eca0228 4075 _bfd_error_handler
695344c0 4076 /* xgettext:c-format */
2dcf00ce
AM
4077 (_("%pB(%pA+%#" PRIx64 "): "
4078 "cannot emit fixup to `%s' in read-only section"),
8e45593f
NC
4079 input_bfd,
4080 input_section,
2dcf00ce 4081 (uint64_t) rel->r_offset,
8e45593f
NC
4082 symname);
4083 return FALSE;
4084 }
4085
4086 offset = _bfd_elf_section_offset (output_bfd, info,
4087 input_section, rel->r_offset);
4088 if (offset != (bfd_vma)-1)
4089 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4090 input_section->output_section->vma
4091 + input_section->output_offset
4092 + rel->r_offset);
4093
4094 check_segment[0] = check_segment[1] = -1;
4095 }
a6f713fc
KK
4096 /* We don't want warnings for non-NULL tests on undefined weak
4097 symbols. */
4098 else if (r_type == R_SH_REL32
4099 && h
1b786873 4100 && h->root.type == bfd_link_hash_undefweak)
a6f713fc 4101 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4102 goto final_link_relocate;
4103
fbca6ad9 4104 case R_SH_GOTPLT32:
fbca6ad9
AO
4105 /* Relocation is to the entry for this symbol in the
4106 procedure linkage table. */
4107
4108 if (h == NULL
f5385ebf 4109 || h->forced_local
0e1862bb 4110 || ! bfd_link_pic (info)
fbca6ad9
AO
4111 || info->symbolic
4112 || h->dynindx == -1
4113 || h->plt.offset == (bfd_vma) -1
4114 || h->got.offset != (bfd_vma) -1)
4115 goto force_got;
4116
4117 /* Relocation is to the entry for this symbol in the global
4118 offset table extension for the procedure linkage table. */
fbca6ad9 4119
e0af1f53 4120 BFD_ASSERT (htab);
067653c5 4121 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 4122 relocation = (sgotplt->output_offset
55e6e397
RS
4123 + (get_plt_index (htab->plt_info, h->plt.offset)
4124 + 3) * 4);
fbca6ad9
AO
4125
4126#ifdef GOT_BIAS
4127 relocation -= GOT_BIAS;
4128#endif
4129
4130 goto final_link_relocate;
4131
4132 force_got:
37c644f2 4133 case R_SH_GOT32:
8e45593f 4134 case R_SH_GOT20:
37c644f2
AO
4135 /* Relocation is to the entry for this symbol in the global
4136 offset table. */
067653c5 4137
e0af1f53 4138 BFD_ASSERT (htab);
067653c5 4139 BFD_ASSERT (sgot != NULL);
8e45593f 4140 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4141
4142 if (h != NULL)
4143 {
b34976b6 4144 bfd_boolean dyn;
37c644f2
AO
4145
4146 off = h->got.offset;
4147 BFD_ASSERT (off != (bfd_vma) -1);
4148
067653c5 4149 dyn = htab->root.dynamic_sections_created;
0e1862bb
L
4150 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
4151 bfd_link_pic (info),
4152 h)
4153 || (bfd_link_pic (info)
3d85aebe 4154 && SYMBOL_REFERENCES_LOCAL (info, h))
6ee6e05a
L
4155 || ((ELF_ST_VISIBILITY (h->other)
4156 || resolved_to_zero)
04e534c3 4157 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
4158 {
4159 /* This is actually a static link, or it is a
4160 -Bsymbolic link and the symbol is defined
4161 locally, or the symbol was forced to be local
4162 because of a version file. We must initialize
4163 this entry in the global offset table. Since the
4164 offset must always be a multiple of 4, we use the
4165 least significant bit to record whether we have
4166 initialized it already.
4167
4168 When doing a dynamic link, we create a .rela.got
4169 relocation entry to initialize the value. This
4170 is done in the finish_dynamic_symbol routine. */
4171 if ((off & 1) != 0)
4172 off &= ~1;
4173 else
4174 {
4175 bfd_put_32 (output_bfd, relocation,
4176 sgot->contents + off);
211dc24b 4177 h->got.offset |= 1;
8e45593f
NC
4178
4179 /* If we initialize the GOT entry here with a valid
4180 symbol address, also add a fixup. */
0e1862bb 4181 if (fdpic_p && !bfd_link_pic (info)
8e45593f
NC
4182 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4183 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4184 || h->root.type != bfd_link_hash_undefweak))
4185 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4186 sgot->output_section->vma
4187 + sgot->output_offset
4188 + off);
37c644f2
AO
4189 }
4190 }
4191
8e45593f 4192 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4193 }
4194 else
4195 {
37c644f2
AO
4196 BFD_ASSERT (local_got_offsets != NULL
4197 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4198
4199 off = local_got_offsets[r_symndx];
4200
4201 /* The offset must always be a multiple of 4. We use
4202 the least significant bit to record whether we have
4203 already generated the necessary reloc. */
4204 if ((off & 1) != 0)
4205 off &= ~1;
4206 else
4207 {
4208 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4209
0e1862bb 4210 if (bfd_link_pic (info))
37c644f2 4211 {
37c644f2 4212 Elf_Internal_Rela outrel;
947216bf 4213 bfd_byte *loc;
37c644f2 4214
37c644f2
AO
4215 outrel.r_offset = (sgot->output_section->vma
4216 + sgot->output_offset
4217 + off);
e0af1f53 4218 if (fdpic_p)
8e45593f
NC
4219 {
4220 int dynindx
4221 = elf_section_data (sec->output_section)->dynindx;
4222 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4223 outrel.r_addend = relocation;
4224 outrel.r_addend -= sec->output_section->vma;
4225 }
4226 else
4227 {
4228 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4229 outrel.r_addend = relocation;
4230 }
947216bf
AM
4231 loc = srelgot->contents;
4232 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4233 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4234 }
e0af1f53 4235 else if (fdpic_p
8e45593f
NC
4236 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4237 == GOT_NORMAL))
4238 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4239 sgot->output_section->vma
4240 + sgot->output_offset
4241 + off);
37c644f2 4242
211dc24b 4243 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
4244 }
4245
8e45593f 4246 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4247 }
4248
fbca6ad9 4249#ifdef GOT_BIAS
067653c5 4250 relocation -= GOT_BIAS;
fbca6ad9
AO
4251#endif
4252
8e45593f
NC
4253 if (r_type == R_SH_GOT20)
4254 {
4255 r = install_movi20_field (output_bfd, relocation + addend,
4256 input_bfd, input_section, contents,
4257 rel->r_offset);
4258 break;
4259 }
4260 else
4261 goto final_link_relocate;
37c644f2
AO
4262
4263 case R_SH_GOTOFF:
8e45593f 4264 case R_SH_GOTOFF20:
8e45593f
NC
4265 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4266 we place at the start of the .got.plt section. This is the same
4267 as the start of the output .got section, unless there are function
4268 descriptors in front of it. */
e0af1f53 4269 BFD_ASSERT (htab);
8e45593f
NC
4270 BFD_ASSERT (sgotplt != NULL);
4271 check_segment[0] = got_segment;
4272 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4273 + htab->root.hgot->root.u.def.value;
37c644f2 4274
fbca6ad9
AO
4275#ifdef GOT_BIAS
4276 relocation -= GOT_BIAS;
4277#endif
4278
4279 addend = rel->r_addend;
4280
8e45593f
NC
4281 if (r_type == R_SH_GOTOFF20)
4282 {
4283 r = install_movi20_field (output_bfd, relocation + addend,
4284 input_bfd, input_section, contents,
4285 rel->r_offset);
4286 break;
4287 }
4288 else
4289 goto final_link_relocate;
37c644f2
AO
4290
4291 case R_SH_GOTPC:
4292 /* Use global offset table as symbol value. */
4293
8e45593f
NC
4294 BFD_ASSERT (sgotplt != NULL);
4295 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
37c644f2 4296
fbca6ad9
AO
4297#ifdef GOT_BIAS
4298 relocation += GOT_BIAS;
4299#endif
4300
4301 addend = rel->r_addend;
4302
37c644f2
AO
4303 goto final_link_relocate;
4304
4305 case R_SH_PLT32:
4306 /* Relocation is to the entry for this symbol in the
4307 procedure linkage table. */
4308
4309 /* Resolve a PLT reloc against a local symbol directly,
4310 without using the procedure linkage table. */
4311 if (h == NULL)
4312 goto final_link_relocate;
4313
8e45593f
NC
4314 /* We don't want to warn on calls to undefined weak symbols,
4315 as calls to them must be protected by non-NULL tests
4316 anyway, and unprotected calls would invoke undefined
4317 behavior. */
4318 if (h->root.type == bfd_link_hash_undefweak)
4319 check_segment[0] = check_segment[1] = -1;
4320
f5385ebf 4321 if (h->forced_local)
37c644f2
AO
4322 goto final_link_relocate;
4323
4324 if (h->plt.offset == (bfd_vma) -1)
4325 {
4326 /* We didn't make a PLT entry for this symbol. This
4327 happens when statically linking PIC code, or when
4328 using -Bsymbolic. */
4329 goto final_link_relocate;
4330 }
4331
067653c5 4332 BFD_ASSERT (splt != NULL);
8e45593f 4333 check_segment[1] = plt_segment;
37c644f2
AO
4334 relocation = (splt->output_section->vma
4335 + splt->output_offset
4336 + h->plt.offset);
4337
fbca6ad9
AO
4338 addend = rel->r_addend;
4339
37c644f2
AO
4340 goto final_link_relocate;
4341
8e45593f
NC
4342 /* Relocation is to the canonical function descriptor for this
4343 symbol, possibly via the GOT. Initialize the GOT
4344 entry and function descriptor if necessary. */
4345 case R_SH_GOTFUNCDESC:
4346 case R_SH_GOTFUNCDESC20:
4347 case R_SH_FUNCDESC:
4348 {
4349 int dynindx = -1;
4350 asection *reloc_section;
4351 bfd_vma reloc_offset;
4352 int reloc_type = R_SH_FUNCDESC;
4353
e0af1f53
MR
4354 BFD_ASSERT (htab);
4355
8e45593f
NC
4356 check_segment[0] = check_segment[1] = -1;
4357
4358 /* FIXME: See what FRV does for global symbols in the
4359 executable, with --export-dynamic. Do they need ld.so
4360 to allocate official descriptors? See what this code
4361 does. */
4362
4363 relocation = 0;
4364 addend = 0;
4365
4366 if (r_type == R_SH_FUNCDESC)
4367 {
4368 reloc_section = input_section;
4369 reloc_offset = rel->r_offset;
4370 }
4371 else
4372 {
e0af1f53 4373 reloc_section = sgot;
8e45593f
NC
4374
4375 if (h != NULL)
4376 reloc_offset = h->got.offset;
4377 else
4378 {
4379 BFD_ASSERT (local_got_offsets != NULL);
4380 reloc_offset = local_got_offsets[r_symndx];
4381 }
4382 BFD_ASSERT (reloc_offset != MINUS_ONE);
4383
4384 if (reloc_offset & 1)
4385 {
4386 reloc_offset &= ~1;
4387 goto funcdesc_done_got;
4388 }
4389 }
4390
4391 if (h && h->root.type == bfd_link_hash_undefweak
4392 && (SYMBOL_CALLS_LOCAL (info, h)
4393 || !htab->root.dynamic_sections_created))
4394 /* Undefined weak symbol which will not be dynamically
4395 resolved later; leave it at zero. */
4396 goto funcdesc_leave_zero;
4397 else if (SYMBOL_CALLS_LOCAL (info, h)
4398 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4399 {
4400 /* If the symbol needs a non-local function descriptor
4401 but binds locally (i.e., its visibility is
4402 protected), emit a dynamic relocation decayed to
4403 section+offset. This is an optimization; the dynamic
4404 linker would resolve our function descriptor request
4405 to our copy of the function anyway. */
4406 dynindx = elf_section_data (h->root.u.def.section
4407 ->output_section)->dynindx;
4408 relocation += h->root.u.def.section->output_offset
4409 + h->root.u.def.value;
4410 }
4411 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4412 {
4413 /* If the symbol is dynamic and there will be dynamic
4414 symbol resolution because we are or are linked with a
4415 shared library, emit a FUNCDESC relocation such that
4416 the dynamic linker will allocate the function
4417 descriptor. */
4418 BFD_ASSERT (h->dynindx != -1);
4419 dynindx = h->dynindx;
4420 }
4421 else
4422 {
4423 bfd_vma offset;
4424
4425 /* Otherwise, we know we have a private function
4426 descriptor, so reference it directly. */
4427 reloc_type = R_SH_DIR32;
4428 dynindx = elf_section_data (htab->sfuncdesc
4429 ->output_section)->dynindx;
4430
4431 if (h)
4432 {
4433 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4434 BFD_ASSERT (offset != MINUS_ONE);
4435 if ((offset & 1) == 0)
4436 {
4437 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4438 offset, NULL, 0))
4439 return FALSE;
4440 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4441 }
4442 }
4443 else
4444 {
4445 union gotref *local_funcdesc;
4446
4447 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4448 offset = local_funcdesc[r_symndx].offset;
4449 BFD_ASSERT (offset != MINUS_ONE);
4450 if ((offset & 1) == 0)
4451 {
4452 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4453 offset, sec,
4454 sym->st_value))
4455 return FALSE;
4456 local_funcdesc[r_symndx].offset |= 1;
4457 }
4458 }
4459
4460 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4461 }
4462
0e1862bb 4463 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
4464 {
4465 bfd_vma offset;
4466
4467 if (sh_elf_osec_readonly_p (output_bfd,
4468 reloc_section->output_section))
4469 {
4eca0228 4470 _bfd_error_handler
695344c0 4471 /* xgettext:c-format */
2dcf00ce
AM
4472 (_("%pB(%pA+%#" PRIx64 "): "
4473 "cannot emit fixup to `%s' in read-only section"),
8e45593f
NC
4474 input_bfd,
4475 input_section,
2dcf00ce 4476 (uint64_t) rel->r_offset,
8e45593f
NC
4477 symname);
4478 return FALSE;
4479 }
4480
4481 offset = _bfd_elf_section_offset (output_bfd, info,
4482 reloc_section, reloc_offset);
4483
4484 if (offset != (bfd_vma)-1)
4485 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4486 offset
4487 + reloc_section->output_section->vma
4488 + reloc_section->output_offset);
4489 }
4490 else if ((reloc_section->output_section->flags
4491 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
4492 {
4493 bfd_vma offset;
4494
4495 if (sh_elf_osec_readonly_p (output_bfd,
4496 reloc_section->output_section))
4497 {
4498 info->callbacks->warning
4499 (info,
4500 _("cannot emit dynamic relocations in read-only section"),
4501 symname, input_bfd, reloc_section, reloc_offset);
4502 return FALSE;
4503 }
4504
8e45593f
NC
4505 offset = _bfd_elf_section_offset (output_bfd, info,
4506 reloc_section, reloc_offset);
4507
4508 if (offset != (bfd_vma)-1)
4509 sh_elf_add_dyn_reloc (output_bfd, srelgot,
4510 offset
4511 + reloc_section->output_section->vma
4512 + reloc_section->output_offset,
4513 reloc_type, dynindx, relocation);
4514
4515 if (r_type == R_SH_FUNCDESC)
4516 {
4517 r = bfd_reloc_ok;
4518 break;
4519 }
4520 else
4521 {
4522 relocation = 0;
4523 goto funcdesc_leave_zero;
4524 }
4525 }
4526
4527 if (SYMBOL_FUNCDESC_LOCAL (info, h))
4528 relocation += htab->sfuncdesc->output_section->vma;
4529 funcdesc_leave_zero:
4530 if (r_type != R_SH_FUNCDESC)
4531 {
4532 bfd_put_32 (output_bfd, relocation,
4533 reloc_section->contents + reloc_offset);
4534 if (h != NULL)
4535 h->got.offset |= 1;
4536 else
4537 local_got_offsets[r_symndx] |= 1;
4538
4539 funcdesc_done_got:
4540
4541 relocation = sh_elf_got_offset (htab) + reloc_offset;
4542#ifdef GOT_BIAS
4543 relocation -= GOT_BIAS;
4544#endif
4545 }
4546 if (r_type == R_SH_GOTFUNCDESC20)
4547 {
4548 r = install_movi20_field (output_bfd, relocation + addend,
4549 input_bfd, input_section, contents,
4550 rel->r_offset);
4551 break;
4552 }
4553 else
4554 goto final_link_relocate;
4555 }
4556 break;
4557
4558 case R_SH_GOTOFFFUNCDESC:
4559 case R_SH_GOTOFFFUNCDESC20:
4560 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
4561 executable and --export-dynamic. If such symbols get
4562 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
4563 for them. */
e0af1f53 4564 BFD_ASSERT (htab);
8e45593f
NC
4565
4566 check_segment[0] = check_segment[1] = -1;
4567 relocation = 0;
4568 addend = rel->r_addend;
4569
4570 if (h && (h->root.type == bfd_link_hash_undefweak
4571 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
4572 {
4573 _bfd_error_handler
695344c0 4574 /* xgettext:c-format */
2dcf00ce
AM
4575 (_("%pB(%pA+%#" PRIx64 "): "
4576 "%s relocation against external symbol \"%s\""),
4577 input_bfd, input_section, (uint64_t) rel->r_offset,
4578 howto->name, h->root.root.string);
8e45593f
NC
4579 return FALSE;
4580 }
4581 else
4582 {
4583 bfd_vma offset;
4584
4585 /* Otherwise, we know we have a private function
4586 descriptor, so reference it directly. */
4587 if (h)
4588 {
4589 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4590 BFD_ASSERT (offset != MINUS_ONE);
4591 if ((offset & 1) == 0)
4592 {
4593 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4594 offset, NULL, 0))
4595 return FALSE;
4596 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4597 }
4598 }
4599 else
4600 {
4601 union gotref *local_funcdesc;
4602
4603 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4604 offset = local_funcdesc[r_symndx].offset;
4605 BFD_ASSERT (offset != MINUS_ONE);
4606 if ((offset & 1) == 0)
4607 {
4608 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4609 offset, sec,
4610 sym->st_value))
4611 return FALSE;
4612 local_funcdesc[r_symndx].offset |= 1;
4613 }
4614 }
4615
4616 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4617 }
4618
e0af1f53
MR
4619 relocation -= (htab->root.hgot->root.u.def.value
4620 + sgotplt->output_offset);
8e45593f
NC
4621#ifdef GOT_BIAS
4622 relocation -= GOT_BIAS;
4623#endif
4624
4625 if (r_type == R_SH_GOTOFFFUNCDESC20)
4626 {
4627 r = install_movi20_field (output_bfd, relocation + addend,
4628 input_bfd, input_section, contents,
4629 rel->r_offset);
4630 break;
4631 }
4632 else
4633 goto final_link_relocate;
4634
37c644f2
AO
4635 case R_SH_LOOP_START:
4636 {
4637 static bfd_vma start, end;
4638
4639 start = (relocation + rel->r_addend
4640 - (sec->output_section->vma + sec->output_offset));
4641 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
4642 rel->r_offset, sec, start, end);
4643 break;
4644
4645 case R_SH_LOOP_END:
4646 end = (relocation + rel->r_addend
4647 - (sec->output_section->vma + sec->output_offset));
4648 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
4649 rel->r_offset, sec, start, end);
4650 break;
4651 }
3376eaf5
KK
4652
4653 case R_SH_TLS_GD_32:
4654 case R_SH_TLS_IE_32:
e0af1f53 4655 BFD_ASSERT (htab);
8e45593f 4656 check_segment[0] = check_segment[1] = -1;
3376eaf5 4657 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
8e45593f 4658 got_type = GOT_UNKNOWN;
3376eaf5 4659 if (h == NULL && local_got_offsets)
8e45593f 4660 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
3376eaf5
KK
4661 else if (h != NULL)
4662 {
8e45593f 4663 got_type = sh_elf_hash_entry (h)->got_type;
0e1862bb 4664 if (! bfd_link_pic (info)
3376eaf5 4665 && (h->dynindx == -1
f5385ebf 4666 || h->def_regular))
267fb3c1 4667 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
4668 }
4669
8e45593f 4670 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
3376eaf5
KK
4671 r_type = R_SH_TLS_IE_32;
4672
4673 if (r_type == R_SH_TLS_LE_32)
4674 {
4675 bfd_vma offset;
4676 unsigned short insn;
3376eaf5
KK
4677
4678 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
4679 {
4680 /* GD->LE transition:
4681 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 4682 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
4683 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4684 We change it into:
4685 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4686 nop; nop; ...
4687 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4688
4689 offset = rel->r_offset;
a05b9f5e
NC
4690 if (offset < 16)
4691 {
4692 _bfd_error_handler
4693 /* xgettext:c-format */
4694 (_("%pB(%pA): offset in relocation for GD->LE translation is too small: %#" PRIx64),
4695 input_bfd, input_section, (uint64_t) offset);
4696 return FALSE;
4697 }
4698
3376eaf5
KK
4699 /* Size of GD instructions is 16 or 18. */
4700 offset -= 16;
4701 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4702 if ((insn & 0xff00) == 0xc700)
4703 {
4704 BFD_ASSERT (offset >= 2);
4705 offset -= 2;
4706 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4707 }
4708
a05b9f5e
NC
4709 if ((insn & 0xff00) != 0xd400)
4710 _bfd_error_handler
4711 /* xgettext:c-format */ /* The backslash is to prevent bogus trigraph detection. */
4712 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xd4?\?)"),
4713 input_bfd, input_section, (uint64_t) offset, (int) insn);
4714
3376eaf5 4715 insn = bfd_get_16 (input_bfd, contents + offset + 2);
a05b9f5e
NC
4716
4717 if ((insn & 0xff00) != 0xc700)
4718 _bfd_error_handler
4719 /* xgettext:c-format */
4720 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xc7?\?)"),
4721 input_bfd, input_section, (uint64_t) offset, (int) insn);
4722
3376eaf5 4723 insn = bfd_get_16 (input_bfd, contents + offset + 4);
a05b9f5e
NC
4724 if ((insn & 0xff00) != 0xd100)
4725 _bfd_error_handler
4726 /* xgettext:c-format */
4727 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xd1?\?)"),
4728 input_bfd, input_section, (uint64_t) offset, (int) insn);
4729
3376eaf5 4730 insn = bfd_get_16 (input_bfd, contents + offset + 6);
a05b9f5e
NC
4731 if (insn != 0x310c)
4732 _bfd_error_handler
4733 /* xgettext:c-format */
4734 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x310c)"),
4735 input_bfd, input_section, (uint64_t) offset, (int) insn);
4736
3376eaf5 4737 insn = bfd_get_16 (input_bfd, contents + offset + 8);
a05b9f5e
NC
4738 if (insn != 0x410b)
4739 _bfd_error_handler
4740 /* xgettext:c-format */
4741 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x410b)"),
4742 input_bfd, input_section, (uint64_t) offset, (int) insn);
4743
3376eaf5 4744 insn = bfd_get_16 (input_bfd, contents + offset + 10);
a05b9f5e
NC
4745 if (insn != 0x34cc)
4746 _bfd_error_handler
4747 /* xgettext:c-format */
4748 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x34cc)"),
4749 input_bfd, input_section, (uint64_t) offset, (int) insn);
3376eaf5
KK
4750
4751 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4752 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4753 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4754 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4755 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4756 }
4757 else
4758 {
91d6fa6a 4759 int target;
3376eaf5
KK
4760
4761 /* IE->LE transition:
a05b9f5e
NC
4762 mov.l 1f,r0;
4763 stc gbr,rN;
4764 mov.l @(r0,r12),rM;
4765 bra 2f;
4766 add ...;
4767 .align 2;
4768 1: x@GOTTPOFF;
4769 2:
3376eaf5 4770 We change it into:
a05b9f5e
NC
4771 mov.l .Ln,rM;
4772 stc gbr,rN;
4773 nop;
4774 ...;
4775 1: x@TPOFF;
4776 2:. */
3376eaf5
KK
4777
4778 offset = rel->r_offset;
a05b9f5e
NC
4779 if (offset < 16)
4780 {
4781 _bfd_error_handler
4782 /* xgettext:c-format */
4783 (_("%pB(%pA): offset in relocation for IE->LE translation is too small: %#" PRIx64),
4784 input_bfd, input_section, (uint64_t) offset);
4785 return FALSE;
4786 }
4787
3376eaf5
KK
4788 /* Size of IE instructions is 10 or 12. */
4789 offset -= 10;
4790 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4791 if ((insn & 0xf0ff) == 0x0012)
4792 {
4793 BFD_ASSERT (offset >= 2);
4794 offset -= 2;
4795 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4796 }
4797
a05b9f5e
NC
4798 if ((insn & 0xff00) != 0xd000)
4799 _bfd_error_handler
4800 /* xgettext:c-format */
4801 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xd0??: mov.l)"),
4802 input_bfd, input_section, (uint64_t) offset, (int) insn);
4803
91d6fa6a 4804 target = insn & 0x00ff;
a05b9f5e 4805
3376eaf5 4806 insn = bfd_get_16 (input_bfd, contents + offset + 2);
a05b9f5e
NC
4807 if ((insn & 0xf0ff) != 0x0012)
4808 _bfd_error_handler
4809 /* xgettext:c-format */
4810 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x0?12: stc)"),
4811 input_bfd, input_section, (uint64_t) (offset + 2), (int) insn);
4812
3376eaf5 4813 insn = bfd_get_16 (input_bfd, contents + offset + 4);
a05b9f5e
NC
4814 if ((insn & 0xf0ff) != 0x00ce)
4815 _bfd_error_handler
4816 /* xgettext:c-format */
4817 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x0?ce: mov.l)"),
4818 input_bfd, input_section, (uint64_t) (offset + 4), (int) insn);
4819
91d6fa6a 4820 insn = 0xd000 | (insn & 0x0f00) | target;
3376eaf5
KK
4821 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4822 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4823 }
4824
267fb3c1
KK
4825 bfd_put_32 (output_bfd, tpoff (info, relocation),
4826 contents + rel->r_offset);
3376eaf5
KK
4827 continue;
4828 }
4829
8e45593f 4830 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
4831 abort ();
4832
4833 if (h != NULL)
4834 off = h->got.offset;
4835 else
4836 {
4837 if (local_got_offsets == NULL)
4838 abort ();
4839
4840 off = local_got_offsets[r_symndx];
4841 }
4842
267fb3c1
KK
4843 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4844 if (r_type == R_SH_TLS_IE_32
4845 && ! htab->root.dynamic_sections_created)
4846 {
4847 off &= ~1;
4848 bfd_put_32 (output_bfd, tpoff (info, relocation),
4849 sgot->contents + off);
8e45593f 4850 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
267fb3c1
KK
4851 contents + rel->r_offset);
4852 continue;
4853 }
4854
3376eaf5
KK
4855 if ((off & 1) != 0)
4856 off &= ~1;
26e41594 4857 else
3376eaf5
KK
4858 {
4859 Elf_Internal_Rela outrel;
947216bf 4860 bfd_byte *loc;
3376eaf5
KK
4861 int dr_type, indx;
4862
3376eaf5
KK
4863 outrel.r_offset = (sgot->output_section->vma
4864 + sgot->output_offset + off);
4865
267fb3c1 4866 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
4867 indx = 0;
4868 else
4869 indx = h->dynindx;
267fb3c1 4870
3376eaf5
KK
4871 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4872 R_SH_TLS_TPOFF32);
4873 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4874 outrel.r_addend = relocation - dtpoff_base (info);
4875 else
4876 outrel.r_addend = 0;
4877 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
4878 loc = srelgot->contents;
4879 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4880 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4881
4882 if (r_type == R_SH_TLS_GD_32)
4883 {
4884 if (indx == 0)
4885 {
4886 bfd_put_32 (output_bfd,
4887 relocation - dtpoff_base (info),
4888 sgot->contents + off + 4);
4889 }
4890 else
4891 {
4892 outrel.r_info = ELF32_R_INFO (indx,
4893 R_SH_TLS_DTPOFF32);
4894 outrel.r_offset += 4;
4895 outrel.r_addend = 0;
4896 srelgot->reloc_count++;
947216bf
AM
4897 loc += sizeof (Elf32_External_Rela);
4898 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4899 }
4900 }
4901
4902 if (h != NULL)
4903 h->got.offset |= 1;
4904 else
4905 local_got_offsets[r_symndx] |= 1;
4906 }
4907
4908 if (off >= (bfd_vma) -2)
4909 abort ();
4910
4911 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
8e45593f 4912 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
4913 else
4914 {
4915 bfd_vma offset;
4916 unsigned short insn;
4917
4918 /* GD->IE transition:
4919 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4920 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4921 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4922 We change it into:
4923 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4924 nop; nop; bra 3f; nop; .align 2;
4925 1: .long x@TPOFF; 2:...; 3:. */
4926
4927 offset = rel->r_offset;
a05b9f5e
NC
4928 if (offset < 16)
4929 {
4930 _bfd_error_handler
4931 /* xgettext:c-format */
4932 (_("%pB(%pA): offset in relocation for GD->IE translation is too small: %#" PRIx64),
4933 input_bfd, input_section, (uint64_t) offset);
4934 return FALSE;
4935 }
4936
3376eaf5
KK
4937 /* Size of GD instructions is 16 or 18. */
4938 offset -= 16;
4939 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4940 if ((insn & 0xff00) == 0xc700)
4941 {
4942 BFD_ASSERT (offset >= 2);
4943 offset -= 2;
4944 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4945 }
4946
4947 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4948
4949 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4950 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4951
4952 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4953 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4954 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4955 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4956 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4957 BFD_ASSERT (insn == 0x310c);
4958 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4959 BFD_ASSERT (insn == 0x410b);
4960 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4961 BFD_ASSERT (insn == 0x34cc);
4962
4963 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4964 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4965 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4966 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4967 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4968
8e45593f 4969 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
3376eaf5
KK
4970 contents + rel->r_offset);
4971
4972 continue;
4973 }
4974
4975 addend = rel->r_addend;
4976
4977 goto final_link_relocate;
4978
4979 case R_SH_TLS_LD_32:
e0af1f53 4980 BFD_ASSERT (htab);
8e45593f 4981 check_segment[0] = check_segment[1] = -1;
0e1862bb 4982 if (! bfd_link_pic (info))
3376eaf5
KK
4983 {
4984 bfd_vma offset;
4985 unsigned short insn;
4986
4987 /* LD->LE transition:
4988 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4989 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4990 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4991 We change it into:
4992 stc gbr,r0; nop; nop; nop;
4993 nop; nop; bra 3f; ...; 3:. */
4994
4995 offset = rel->r_offset;
a05b9f5e
NC
4996 if (offset < 16)
4997 {
4998 _bfd_error_handler
4999 /* xgettext:c-format */
5000 (_("%pB(%pA): offset in relocation for LD->LE translation is too small: %#" PRIx64),
5001 input_bfd, input_section, (uint64_t) offset);
5002 return FALSE;
5003 }
5004
3376eaf5
KK
5005 /* Size of LD instructions is 16 or 18. */
5006 offset -= 16;
5007 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5008 if ((insn & 0xff00) == 0xc700)
5009 {
5010 BFD_ASSERT (offset >= 2);
5011 offset -= 2;
5012 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5013 }
5014
5015 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5016 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5017 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5018 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5019 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5020 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5021 BFD_ASSERT (insn == 0x310c);
5022 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5023 BFD_ASSERT (insn == 0x410b);
5024 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5025 BFD_ASSERT (insn == 0x34cc);
5026
5027 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5028 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5029 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5030 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5031 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5032 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5033
5034 continue;
5035 }
5036
8e45593f 5037 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5038 abort ();
5039
5040 off = htab->tls_ldm_got.offset;
5041 if (off & 1)
5042 off &= ~1;
5043 else
5044 {
5045 Elf_Internal_Rela outrel;
947216bf 5046 bfd_byte *loc;
3376eaf5 5047
3376eaf5
KK
5048 outrel.r_offset = (sgot->output_section->vma
5049 + sgot->output_offset + off);
5050 outrel.r_addend = 0;
5051 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
5052 loc = srelgot->contents;
5053 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5054 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5055 htab->tls_ldm_got.offset |= 1;
5056 }
5057
8e45593f 5058 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5059 addend = rel->r_addend;
5060
5061 goto final_link_relocate;
5062
5063 case R_SH_TLS_LDO_32:
8e45593f 5064 check_segment[0] = check_segment[1] = -1;
0e1862bb 5065 if (! bfd_link_pic (info))
267fb3c1 5066 relocation = tpoff (info, relocation);
3376eaf5
KK
5067 else
5068 relocation -= dtpoff_base (info);
5069
5070 addend = rel->r_addend;
5071 goto final_link_relocate;
5072
5073 case R_SH_TLS_LE_32:
5074 {
5075 int indx;
5076 Elf_Internal_Rela outrel;
947216bf 5077 bfd_byte *loc;
3376eaf5 5078
8e45593f
NC
5079 check_segment[0] = check_segment[1] = -1;
5080
3cbc1e5e 5081 if (!bfd_link_dll (info))
267fb3c1
KK
5082 {
5083 relocation = tpoff (info, relocation);
5084 addend = rel->r_addend;
5085 goto final_link_relocate;
5086 }
5087
3376eaf5
KK
5088 if (sreloc == NULL)
5089 {
83bac4b0
NC
5090 sreloc = _bfd_elf_get_dynamic_reloc_section
5091 (input_bfd, input_section, /*rela?*/ TRUE);
5092 if (sreloc == NULL)
b34976b6 5093 return FALSE;
3376eaf5
KK
5094 }
5095
267fb3c1
KK
5096 if (h == NULL || h->dynindx == -1)
5097 indx = 0;
5098 else
5099 indx = h->dynindx;
5100
3376eaf5
KK
5101 outrel.r_offset = (input_section->output_section->vma
5102 + input_section->output_offset
5103 + rel->r_offset);
5104 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5105 if (indx == 0)
5106 outrel.r_addend = relocation - dtpoff_base (info);
5107 else
5108 outrel.r_addend = 0;
3376eaf5 5109
947216bf
AM
5110 loc = sreloc->contents;
5111 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5112 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5113 continue;
5114 }
37c644f2
AO
5115 }
5116
146be91a 5117 relocation_done:
e0af1f53 5118 if (fdpic_p && check_segment[0] != (unsigned) -1
8e45593f
NC
5119 && check_segment[0] != check_segment[1])
5120 {
5121 /* We don't want duplicate errors for undefined symbols. */
5122 if (!h || h->root.type != bfd_link_hash_undefined)
5123 {
0e1862bb 5124 if (bfd_link_pic (info))
8e45593f
NC
5125 {
5126 info->callbacks->einfo
695344c0 5127 /* xgettext:c-format */
8e45593f
NC
5128 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5129 input_bfd, input_section, rel->r_offset, symname);
5130 return FALSE;
5131 }
5132 else
5133 info->callbacks->einfo
695344c0 5134 /* xgettext:c-format */
8e45593f
NC
5135 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5136 input_bfd, input_section, rel->r_offset, symname);
5137 }
5138
fbedb42d 5139 elf_elfheader (output_bfd)->e_flags |= EF_SH_PIC;
8e45593f
NC
5140 }
5141
37c644f2
AO
5142 if (r != bfd_reloc_ok)
5143 {
5144 switch (r)
5145 {
5146 default:
5147 case bfd_reloc_outofrange:
5148 abort ();
5149 case bfd_reloc_overflow:
5150 {
5151 const char *name;
5152
5153 if (h != NULL)
dfeffb9f 5154 name = NULL;
37c644f2
AO
5155 else
5156 {
252b5132
RH
5157 name = (bfd_elf_string_from_elf_section
5158 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5159 if (name == NULL)
b34976b6 5160 return FALSE;
252b5132 5161 if (*name == '\0')
fd361982 5162 name = bfd_section_name (sec);
252b5132 5163 }
1a72702b
AM
5164 (*info->callbacks->reloc_overflow)
5165 (info, (h ? &h->root : NULL), name, howto->name,
5166 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
252b5132
RH
5167 }
5168 break;
5169 }
5170 }
5171 }
5172
b34976b6 5173 return TRUE;
252b5132
RH
5174}
5175
5176/* This is a version of bfd_generic_get_relocated_section_contents
5177 which uses sh_elf_relocate_section. */
5178
5179static bfd_byte *
09fd220b
KK
5180sh_elf_get_relocated_section_contents (bfd *output_bfd,
5181 struct bfd_link_info *link_info,
5182 struct bfd_link_order *link_order,
5183 bfd_byte *data,
5184 bfd_boolean relocatable,
5185 asymbol **symbols)
252b5132
RH
5186{
5187 Elf_Internal_Shdr *symtab_hdr;
5188 asection *input_section = link_order->u.indirect.section;
5189 bfd *input_bfd = input_section->owner;
5190 asection **sections = NULL;
5191 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 5192 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
5193
5194 /* We only need to handle the case of relaxing, or of having a
5195 particular set of section contents, specially. */
1049f94e 5196 if (relocatable
252b5132
RH
5197 || elf_section_data (input_section)->this_hdr.contents == NULL)
5198 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5199 link_order, data,
1049f94e 5200 relocatable,
252b5132
RH
5201 symbols);
5202
0ffa91dd 5203 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
5204
5205 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 5206 (size_t) input_section->size);
252b5132
RH
5207
5208 if ((input_section->flags & SEC_RELOC) != 0
5209 && input_section->reloc_count > 0)
5210 {
252b5132 5211 asection **secpp;
6cdc0ccc 5212 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 5213 bfd_size_type amt;
252b5132 5214
45d6a902 5215 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 5216 (input_bfd, input_section, NULL,
b34976b6 5217 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
5218 if (internal_relocs == NULL)
5219 goto error_return;
5220
6cdc0ccc
AM
5221 if (symtab_hdr->sh_info != 0)
5222 {
5223 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5224 if (isymbuf == NULL)
5225 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5226 symtab_hdr->sh_info, 0,
5227 NULL, NULL, NULL);
5228 if (isymbuf == NULL)
5229 goto error_return;
5230 }
252b5132 5231
9ad5cbcf
AM
5232 amt = symtab_hdr->sh_info;
5233 amt *= sizeof (asection *);
5234 sections = (asection **) bfd_malloc (amt);
5235 if (sections == NULL && amt != 0)
252b5132
RH
5236 goto error_return;
5237
6cdc0ccc
AM
5238 isymend = isymbuf + symtab_hdr->sh_info;
5239 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
5240 {
5241 asection *isec;
5242
6cdc0ccc 5243 if (isym->st_shndx == SHN_UNDEF)
252b5132 5244 isec = bfd_und_section_ptr;
6cdc0ccc 5245 else if (isym->st_shndx == SHN_ABS)
252b5132 5246 isec = bfd_abs_section_ptr;
6cdc0ccc 5247 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
5248 isec = bfd_com_section_ptr;
5249 else
6cdc0ccc 5250 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
5251
5252 *secpp = isec;
5253 }
5254
5255 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5256 input_section, data, internal_relocs,
6cdc0ccc 5257 isymbuf, sections))
252b5132
RH
5258 goto error_return;
5259
5260 if (sections != NULL)
5261 free (sections);
6cdc0ccc
AM
5262 if (isymbuf != NULL
5263 && symtab_hdr->contents != (unsigned char *) isymbuf)
5264 free (isymbuf);
5265 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 5266 free (internal_relocs);
252b5132
RH
5267 }
5268
5269 return data;
5270
5271 error_return:
252b5132
RH
5272 if (sections != NULL)
5273 free (sections);
6cdc0ccc
AM
5274 if (isymbuf != NULL
5275 && symtab_hdr->contents != (unsigned char *) isymbuf)
5276 free (isymbuf);
5277 if (internal_relocs != NULL
5278 && elf_section_data (input_section)->relocs != internal_relocs)
5279 free (internal_relocs);
252b5132
RH
5280 return NULL;
5281}
917583ad 5282
3376eaf5
KK
5283/* Return the base VMA address which should be subtracted from real addresses
5284 when resolving @dtpoff relocation.
5285 This is PT_TLS segment p_vaddr. */
5286
5287static bfd_vma
09fd220b 5288dtpoff_base (struct bfd_link_info *info)
3376eaf5 5289{
e1918d23
AM
5290 /* If tls_sec is NULL, we should have signalled an error already. */
5291 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 5292 return 0;
e1918d23 5293 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
5294}
5295
267fb3c1
KK
5296/* Return the relocation value for R_SH_TLS_TPOFF32.. */
5297
5298static bfd_vma
09fd220b 5299tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 5300{
e1918d23
AM
5301 /* If tls_sec is NULL, we should have signalled an error already. */
5302 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
5303 return 0;
5304 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5305 structure which has 2 pointer fields. */
044ad7e3
KK
5306 return (address - elf_hash_table (info)->tls_sec->vma
5307 + align_power ((bfd_vma) 8,
5308 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
5309}
5310
252b5132 5311static asection *
09fd220b 5312sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
5313 struct bfd_link_info *info,
5314 Elf_Internal_Rela *rel,
5315 struct elf_link_hash_entry *h,
09fd220b 5316 Elf_Internal_Sym *sym)
252b5132
RH
5317{
5318 if (h != NULL)
07adf181
AM
5319 switch (ELF32_R_TYPE (rel->r_info))
5320 {
5321 case R_SH_GNU_VTINHERIT:
5322 case R_SH_GNU_VTENTRY:
5323 return NULL;
5324 }
9ad5cbcf 5325
07adf181 5326 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
5327}
5328
067653c5
AM
5329/* Copy the extra info we tack onto an elf_link_hash_entry. */
5330
5331static void
fcfa13d2 5332sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
5333 struct elf_link_hash_entry *dir,
5334 struct elf_link_hash_entry *ind)
067653c5
AM
5335{
5336 struct elf_sh_link_hash_entry *edir, *eind;
5337
5338 edir = (struct elf_sh_link_hash_entry *) dir;
5339 eind = (struct elf_sh_link_hash_entry *) ind;
5340
5341 if (eind->dyn_relocs != NULL)
5342 {
5343 if (edir->dyn_relocs != NULL)
5344 {
3bf083ed
AM
5345 struct elf_dyn_relocs **pp;
5346 struct elf_dyn_relocs *p;
067653c5 5347
fcfa13d2 5348 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
5349 list. Merge any entries against the same section. */
5350 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
5351 {
3bf083ed 5352 struct elf_dyn_relocs *q;
067653c5
AM
5353
5354 for (q = edir->dyn_relocs; q != NULL; q = q->next)
5355 if (q->sec == p->sec)
5356 {
5357 q->pc_count += p->pc_count;
5358 q->count += p->count;
5359 *pp = p->next;
5360 break;
5361 }
5362 if (q == NULL)
5363 pp = &p->next;
5364 }
5365 *pp = edir->dyn_relocs;
5366 }
5367
5368 edir->dyn_relocs = eind->dyn_relocs;
5369 eind->dyn_relocs = NULL;
5370 }
4989d792
SC
5371 edir->gotplt_refcount = eind->gotplt_refcount;
5372 eind->gotplt_refcount = 0;
8e45593f 5373 edir->funcdesc.refcount += eind->funcdesc.refcount;
68ffbac6 5374 eind->funcdesc.refcount = 0;
8e45593f 5375 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
68ffbac6 5376 eind->abs_funcdesc_refcount = 0;
067653c5 5377
3376eaf5
KK
5378 if (ind->root.type == bfd_link_hash_indirect
5379 && dir->got.refcount <= 0)
5380 {
8e45593f
NC
5381 edir->got_type = eind->got_type;
5382 eind->got_type = GOT_UNKNOWN;
3376eaf5
KK
5383 }
5384
04e534c3 5385 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
5386 && dir->dynamic_adjusted)
5387 {
5388 /* If called to transfer flags for a weakdef during processing
5389 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
5390 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
e81830c5
AM
5391 if (dir->versioned != versioned_hidden)
5392 dir->ref_dynamic |= ind->ref_dynamic;
f5385ebf
AM
5393 dir->ref_regular |= ind->ref_regular;
5394 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
5395 dir->needs_plt |= ind->needs_plt;
5396 }
04e534c3 5397 else
fcfa13d2 5398 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
5399}
5400
3376eaf5 5401static int
09fd220b
KK
5402sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
5403 int is_local)
3376eaf5 5404{
0e1862bb 5405 if (bfd_link_pic (info))
3376eaf5
KK
5406 return r_type;
5407
5408 switch (r_type)
5409 {
5410 case R_SH_TLS_GD_32:
5411 case R_SH_TLS_IE_32:
5412 if (is_local)
5413 return R_SH_TLS_LE_32;
5414 return R_SH_TLS_IE_32;
5415 case R_SH_TLS_LD_32:
5416 return R_SH_TLS_LE_32;
5417 }
5418
5419 return r_type;
5420}
5421
252b5132
RH
5422/* Look through the relocs for a section during the first phase.
5423 Since we don't do .gots or .plts, we just need to consider the
5424 virtual table relocs for gc. */
435b1e90 5425
b34976b6 5426static bfd_boolean
09fd220b
KK
5427sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
5428 const Elf_Internal_Rela *relocs)
252b5132
RH
5429{
5430 Elf_Internal_Shdr *symtab_hdr;
5582a088 5431 struct elf_link_hash_entry **sym_hashes;
067653c5 5432 struct elf_sh_link_hash_table *htab;
252b5132
RH
5433 const Elf_Internal_Rela *rel;
5434 const Elf_Internal_Rela *rel_end;
37c644f2 5435 asection *sreloc;
3376eaf5 5436 unsigned int r_type;
85e02784 5437 enum got_type got_type, old_got_type;
435b1e90 5438
37c644f2
AO
5439 sreloc = NULL;
5440
0e1862bb 5441 if (bfd_link_relocatable (info))
b34976b6 5442 return TRUE;
435b1e90 5443
65281396
AM
5444 /* Don't do anything special with non-loaded, non-alloced sections.
5445 In particular, any relocs in such sections should not affect GOT
5446 and PLT reference counting (ie. we don't allow them to create GOT
5447 or PLT entries), there's no possibility or desire to optimize TLS
5448 relocs, and there's not much point in propagating relocs to shared
5449 libs that the dynamic linker won't relocate. */
5450 if ((sec->flags & SEC_ALLOC) == 0)
5451 return TRUE;
5452
0ffa91dd
NC
5453 BFD_ASSERT (is_sh_elf (abfd));
5454
5455 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 5456 sym_hashes = elf_sym_hashes (abfd);
435b1e90 5457
067653c5 5458 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
5459 if (htab == NULL)
5460 return FALSE;
5461
252b5132
RH
5462 rel_end = relocs + sec->reloc_count;
5463 for (rel = relocs; rel < rel_end; rel++)
5464 {
5465 struct elf_link_hash_entry *h;
5466 unsigned long r_symndx;
435b1e90 5467
252b5132 5468 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
5469 r_type = ELF32_R_TYPE (rel->r_info);
5470
252b5132 5471 if (r_symndx < symtab_hdr->sh_info)
435b1e90 5472 h = NULL;
252b5132 5473 else
396a6083
SC
5474 {
5475 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
5476 while (h->root.type == bfd_link_hash_indirect
5477 || h->root.type == bfd_link_hash_warning)
211dc24b 5478 h = (struct elf_link_hash_entry *) h->root.u.i.link;
396a6083 5479 }
435b1e90 5480
3376eaf5 5481 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
0e1862bb 5482 if (! bfd_link_pic (info)
3376eaf5
KK
5483 && r_type == R_SH_TLS_IE_32
5484 && h != NULL
5485 && h->root.type != bfd_link_hash_undefined
5486 && h->root.type != bfd_link_hash_undefweak
5487 && (h->dynindx == -1
f5385ebf 5488 || h->def_regular))
3376eaf5
KK
5489 r_type = R_SH_TLS_LE_32;
5490
8e45593f
NC
5491 if (htab->fdpic_p)
5492 switch (r_type)
5493 {
5494 case R_SH_GOTOFFFUNCDESC:
5495 case R_SH_GOTOFFFUNCDESC20:
5496 case R_SH_FUNCDESC:
5497 case R_SH_GOTFUNCDESC:
5498 case R_SH_GOTFUNCDESC20:
5499 if (h != NULL)
5500 {
5501 if (h->dynindx == -1)
5502 switch (ELF_ST_VISIBILITY (h->other))
5503 {
5504 case STV_INTERNAL:
5505 case STV_HIDDEN:
5506 break;
5507 default:
5508 bfd_elf_link_record_dynamic_symbol (info, h);
5509 break;
5510 }
5511 }
5512 break;
5513 }
5514
37c644f2 5515 /* Some relocs require a global offset table. */
ce558b89 5516 if (htab->root.sgot == NULL)
37c644f2 5517 {
3376eaf5 5518 switch (r_type)
37c644f2 5519 {
8e45593f
NC
5520 case R_SH_DIR32:
5521 /* This may require an rofixup. */
5522 if (!htab->fdpic_p)
5523 break;
1a0670f3 5524 /* Fall through. */
fbca6ad9 5525 case R_SH_GOTPLT32:
37c644f2 5526 case R_SH_GOT32:
8e45593f 5527 case R_SH_GOT20:
37c644f2 5528 case R_SH_GOTOFF:
8e45593f
NC
5529 case R_SH_GOTOFF20:
5530 case R_SH_FUNCDESC:
5531 case R_SH_GOTFUNCDESC:
5532 case R_SH_GOTFUNCDESC20:
5533 case R_SH_GOTOFFFUNCDESC:
5534 case R_SH_GOTOFFFUNCDESC20:
37c644f2 5535 case R_SH_GOTPC:
3376eaf5
KK
5536 case R_SH_TLS_GD_32:
5537 case R_SH_TLS_LD_32:
5538 case R_SH_TLS_IE_32:
8e45593f
NC
5539 if (htab->root.dynobj == NULL)
5540 htab->root.dynobj = abfd;
5541 if (!create_got_section (htab->root.dynobj, info))
5542 return FALSE;
37c644f2
AO
5543 break;
5544
5545 default:
5546 break;
5547 }
5548 }
5549
3376eaf5 5550 switch (r_type)
067653c5
AM
5551 {
5552 /* This relocation describes the C++ object vtable hierarchy.
5553 Reconstruct it for later use during GC. */
435b1e90 5554 case R_SH_GNU_VTINHERIT:
c152c796 5555 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 5556 return FALSE;
435b1e90
KH
5557 break;
5558
067653c5
AM
5559 /* This relocation describes which C++ vtable entries are actually
5560 used. Record for later use during GC. */
435b1e90 5561 case R_SH_GNU_VTENTRY:
a0ea3a14 5562 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 5563 return FALSE;
435b1e90 5564 break;
37c644f2 5565
3376eaf5 5566 case R_SH_TLS_IE_32:
0e1862bb 5567 if (bfd_link_pic (info))
3376eaf5
KK
5568 info->flags |= DF_STATIC_TLS;
5569
5570 /* FALLTHROUGH */
267fb3c1 5571 force_got:
3376eaf5 5572 case R_SH_TLS_GD_32:
37c644f2 5573 case R_SH_GOT32:
8e45593f 5574 case R_SH_GOT20:
8e45593f
NC
5575 case R_SH_GOTFUNCDESC:
5576 case R_SH_GOTFUNCDESC20:
3376eaf5
KK
5577 switch (r_type)
5578 {
5579 default:
8e45593f 5580 got_type = GOT_NORMAL;
3376eaf5
KK
5581 break;
5582 case R_SH_TLS_GD_32:
8e45593f 5583 got_type = GOT_TLS_GD;
3376eaf5
KK
5584 break;
5585 case R_SH_TLS_IE_32:
8e45593f
NC
5586 got_type = GOT_TLS_IE;
5587 break;
5588 case R_SH_GOTFUNCDESC:
5589 case R_SH_GOTFUNCDESC20:
5590 got_type = GOT_FUNCDESC;
3376eaf5
KK
5591 break;
5592 }
5593
37c644f2 5594 if (h != NULL)
3376eaf5 5595 {
211dc24b 5596 h->got.refcount += 1;
8e45593f 5597 old_got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5 5598 }
37c644f2
AO
5599 else
5600 {
067653c5
AM
5601 bfd_signed_vma *local_got_refcounts;
5602
435b1e90 5603 /* This is a global offset table entry for a local
067653c5
AM
5604 symbol. */
5605 local_got_refcounts = elf_local_got_refcounts (abfd);
5606 if (local_got_refcounts == NULL)
37c644f2 5607 {
dc810e39 5608 bfd_size_type size;
37c644f2 5609
dc810e39 5610 size = symtab_hdr->sh_info;
067653c5 5611 size *= sizeof (bfd_signed_vma);
3376eaf5 5612 size += symtab_hdr->sh_info;
067653c5
AM
5613 local_got_refcounts = ((bfd_signed_vma *)
5614 bfd_zalloc (abfd, size));
5615 if (local_got_refcounts == NULL)
b34976b6 5616 return FALSE;
067653c5 5617 elf_local_got_refcounts (abfd) = local_got_refcounts;
8e45593f 5618 sh_elf_local_got_type (abfd)
3376eaf5 5619 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
37c644f2 5620 }
211dc24b 5621 local_got_refcounts[r_symndx] += 1;
8e45593f 5622 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
3376eaf5
KK
5623 }
5624
5625 /* If a TLS symbol is accessed using IE at least once,
5626 there is no point to use dynamic model for it. */
8e45593f
NC
5627 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
5628 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
3376eaf5 5629 {
8e45593f
NC
5630 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
5631 got_type = GOT_TLS_IE;
3376eaf5
KK
5632 else
5633 {
8e45593f
NC
5634 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
5635 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
4eca0228 5636 _bfd_error_handler
695344c0 5637 /* xgettext:c-format */
871b3ab2 5638 (_("%pB: `%s' accessed both as normal and FDPIC symbol"),
8e45593f
NC
5639 abfd, h->root.root.string);
5640 else if (old_got_type == GOT_FUNCDESC
5641 || got_type == GOT_FUNCDESC)
4eca0228 5642 _bfd_error_handler
695344c0 5643 /* xgettext:c-format */
871b3ab2 5644 (_("%pB: `%s' accessed both as FDPIC and thread local symbol"),
8e45593f
NC
5645 abfd, h->root.root.string);
5646 else
4eca0228 5647 _bfd_error_handler
695344c0 5648 /* xgettext:c-format */
871b3ab2 5649 (_("%pB: `%s' accessed both as normal and thread local symbol"),
4eca0228 5650 abfd, h->root.root.string);
b34976b6 5651 return FALSE;
3376eaf5
KK
5652 }
5653 }
5654
8e45593f 5655 if (old_got_type != got_type)
3376eaf5
KK
5656 {
5657 if (h != NULL)
8e45593f 5658 sh_elf_hash_entry (h)->got_type = got_type;
3376eaf5 5659 else
8e45593f 5660 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
37c644f2 5661 }
3376eaf5
KK
5662
5663 break;
5664
5665 case R_SH_TLS_LD_32:
5666 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
5667 break;
5668
8e45593f
NC
5669 case R_SH_FUNCDESC:
5670 case R_SH_GOTOFFFUNCDESC:
5671 case R_SH_GOTOFFFUNCDESC20:
5672 if (rel->r_addend)
5673 {
4eca0228 5674 _bfd_error_handler
871b3ab2 5675 (_("%pB: Function descriptor relocation with non-zero addend"),
8e45593f
NC
5676 abfd);
5677 return FALSE;
5678 }
5679
5680 if (h == NULL)
5681 {
5682 union gotref *local_funcdesc;
5683
5684 /* We need a function descriptor for a local symbol. */
5685 local_funcdesc = sh_elf_local_funcdesc (abfd);
5686 if (local_funcdesc == NULL)
5687 {
5688 bfd_size_type size;
5689
5690 size = symtab_hdr->sh_info * sizeof (union gotref);
8e45593f
NC
5691 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
5692 if (local_funcdesc == NULL)
5693 return FALSE;
5694 sh_elf_local_funcdesc (abfd) = local_funcdesc;
5695 }
5696 local_funcdesc[r_symndx].refcount += 1;
5697
5698 if (r_type == R_SH_FUNCDESC)
5699 {
0e1862bb 5700 if (!bfd_link_pic (info))
8e45593f
NC
5701 htab->srofixup->size += 4;
5702 else
ce558b89 5703 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f
NC
5704 }
5705 }
5706 else
5707 {
5708 sh_elf_hash_entry (h)->funcdesc.refcount++;
5709 if (r_type == R_SH_FUNCDESC)
5710 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
5711
5712 /* If there is a function descriptor reference, then
5713 there should not be any non-FDPIC references. */
5714 old_got_type = sh_elf_hash_entry (h)->got_type;
5715 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
5716 {
5717 if (old_got_type == GOT_NORMAL)
4eca0228 5718 _bfd_error_handler
695344c0 5719 /* xgettext:c-format */
871b3ab2 5720 (_("%pB: `%s' accessed both as normal and FDPIC symbol"),
8e45593f
NC
5721 abfd, h->root.root.string);
5722 else
4eca0228 5723 _bfd_error_handler
695344c0 5724 /* xgettext:c-format */
871b3ab2 5725 (_("%pB: `%s' accessed both as FDPIC and thread local symbol"),
8e45593f
NC
5726 abfd, h->root.root.string);
5727 }
5728 }
5729 break;
5730
fbca6ad9 5731 case R_SH_GOTPLT32:
fbca6ad9
AO
5732 /* If this is a local symbol, we resolve it directly without
5733 creating a procedure linkage table entry. */
5734
5735 if (h == NULL
f5385ebf 5736 || h->forced_local
0e1862bb 5737 || ! bfd_link_pic (info)
fbca6ad9 5738 || info->symbolic
067653c5 5739 || h->dynindx == -1)
fbca6ad9
AO
5740 goto force_got;
5741
f5385ebf 5742 h->needs_plt = 1;
067653c5 5743 h->plt.refcount += 1;
4989d792 5744 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
5745
5746 break;
5747
37c644f2
AO
5748 case R_SH_PLT32:
5749 /* This symbol requires a procedure linkage table entry. We
5750 actually build the entry in adjust_dynamic_symbol,
5751 because this might be a case of linking PIC code which is
5752 never referenced by a dynamic object, in which case we
5753 don't need to generate a procedure linkage table entry
5754 after all. */
5755
5756 /* If this is a local symbol, we resolve it directly without
5757 creating a procedure linkage table entry. */
5758 if (h == NULL)
5759 continue;
5760
f5385ebf 5761 if (h->forced_local)
37c644f2
AO
5762 break;
5763
f5385ebf 5764 h->needs_plt = 1;
067653c5 5765 h->plt.refcount += 1;
37c644f2
AO
5766 break;
5767
5768 case R_SH_DIR32:
5769 case R_SH_REL32:
0e1862bb 5770 if (h != NULL && ! bfd_link_pic (info))
067653c5 5771 {
f5385ebf 5772 h->non_got_ref = 1;
067653c5
AM
5773 h->plt.refcount += 1;
5774 }
37c644f2
AO
5775
5776 /* If we are creating a shared library, and this is a reloc
5777 against a global symbol, or a non PC relative reloc
5778 against a local symbol, then we need to copy the reloc
5779 into the shared library. However, if we are linking with
5780 -Bsymbolic, we do not need to copy a reloc against a
5781 global symbol which is defined in an object we are
5782 including in the link (i.e., DEF_REGULAR is set). At
5783 this point we have not seen all the input files, so it is
5784 possible that DEF_REGULAR is not set now but will be set
5785 later (it is never cleared). We account for that
5786 possibility below by storing information in the
067653c5
AM
5787 dyn_relocs field of the hash table entry. A similar
5788 situation occurs when creating shared libraries and symbol
5789 visibility changes render the symbol local.
5790
5791 If on the other hand, we are creating an executable, we
5792 may need to keep relocations for symbols satisfied by a
5793 dynamic library if we manage to avoid copy relocs for the
5794 symbol. */
0e1862bb 5795 if ((bfd_link_pic (info)
067653c5 5796 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 5797 && (r_type != R_SH_REL32
067653c5
AM
5798 || (h != NULL
5799 && (! info->symbolic
5800 || h->root.type == bfd_link_hash_defweak
f5385ebf 5801 || !h->def_regular))))
0e1862bb 5802 || (! bfd_link_pic (info)
067653c5
AM
5803 && (sec->flags & SEC_ALLOC) != 0
5804 && h != NULL
5805 && (h->root.type == bfd_link_hash_defweak
f5385ebf 5806 || !h->def_regular)))
37c644f2 5807 {
3bf083ed
AM
5808 struct elf_dyn_relocs *p;
5809 struct elf_dyn_relocs **head;
067653c5 5810
2293c499
AM
5811 if (htab->root.dynobj == NULL)
5812 htab->root.dynobj = abfd;
067653c5 5813
37c644f2
AO
5814 /* When creating a shared object, we must copy these
5815 reloc types into the output file. We create a reloc
5816 section in dynobj and make room for this reloc. */
5817 if (sreloc == NULL)
5818 {
83bac4b0
NC
5819 sreloc = _bfd_elf_make_dynamic_reloc_section
5820 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 5821
37c644f2 5822 if (sreloc == NULL)
83bac4b0 5823 return FALSE;
37c644f2
AO
5824 }
5825
067653c5
AM
5826 /* If this is a global symbol, we count the number of
5827 relocations we need for this symbol. */
5828 if (h != NULL)
5829 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5830 else
37c644f2 5831 {
87d72d41 5832 /* Track dynamic relocs needed for local syms too. */
067653c5 5833 asection *s;
6edfbbad 5834 void *vpp;
87d72d41 5835 Elf_Internal_Sym *isym;
37c644f2 5836
87d72d41
AM
5837 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
5838 abfd, r_symndx);
5839 if (isym == NULL)
b34976b6 5840 return FALSE;
37c644f2 5841
87d72d41
AM
5842 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
5843 if (s == NULL)
5844 s = sec;
5845
6edfbbad 5846 vpp = &elf_section_data (s)->local_dynrel;
3bf083ed 5847 head = (struct elf_dyn_relocs **) vpp;
067653c5 5848 }
37c644f2 5849
067653c5
AM
5850 p = *head;
5851 if (p == NULL || p->sec != sec)
5852 {
986f0783 5853 size_t amt = sizeof (*p);
2293c499 5854 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 5855 if (p == NULL)
b34976b6 5856 return FALSE;
067653c5
AM
5857 p->next = *head;
5858 *head = p;
5859 p->sec = sec;
5860 p->count = 0;
5861 p->pc_count = 0;
37c644f2 5862 }
067653c5
AM
5863
5864 p->count += 1;
211dc24b 5865 if (r_type == R_SH_REL32)
067653c5 5866 p->pc_count += 1;
37c644f2
AO
5867 }
5868
8e45593f
NC
5869 /* Allocate the fixup regardless of whether we need a relocation.
5870 If we end up generating the relocation, we'll unallocate the
5871 fixup. */
0e1862bb 5872 if (htab->fdpic_p && !bfd_link_pic (info)
8e45593f
NC
5873 && r_type == R_SH_DIR32
5874 && (sec->flags & SEC_ALLOC) != 0)
5875 htab->srofixup->size += 4;
37c644f2 5876 break;
3376eaf5
KK
5877
5878 case R_SH_TLS_LE_32:
3cbc1e5e 5879 if (bfd_link_dll (info))
3376eaf5 5880 {
4eca0228 5881 _bfd_error_handler
871b3ab2 5882 (_("%pB: TLS local exec code cannot be linked into shared objects"),
d003868e 5883 abfd);
b34976b6 5884 return FALSE;
3376eaf5
KK
5885 }
5886
267fb3c1 5887 break;
3376eaf5 5888
3376eaf5 5889 case R_SH_TLS_LDO_32:
267fb3c1 5890 /* Nothing to do. */
3376eaf5
KK
5891 break;
5892
5893 default:
5894 break;
435b1e90 5895 }
252b5132 5896 }
435b1e90 5897
b34976b6 5898 return TRUE;
252b5132
RH
5899}
5900
fbca6ad9 5901#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
5902static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5903
b34976b6 5904static bfd_boolean
09fd220b 5905sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 5906{
f6f9408f
JR
5907 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5908
f461bbd8 5909 if (flags >= ARRAY_SIZE (sh_ef_bfd_table))
f6f9408f
JR
5910 return FALSE;
5911
5912 if (sh_ef_bfd_table[flags] == 0)
5913 return FALSE;
68ffbac6 5914
f6f9408f 5915 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 5916
b34976b6 5917 return TRUE;
d4845d57 5918}
f6f9408f
JR
5919
5920
5921/* Reverse table lookup for sh_ef_bfd_table[].
5922 Given a bfd MACH value from archures.c
5923 return the equivalent ELF flags from the table.
5924 Return -1 if no match is found. */
5925
5926int
5927sh_elf_get_flags_from_mach (unsigned long mach)
5928{
4195f552 5929 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
68ffbac6 5930
f6f9408f
JR
5931 for (; i>0; i--)
5932 if (sh_ef_bfd_table[i] == mach)
5933 return i;
68ffbac6 5934
f6f9408f
JR
5935 /* shouldn't get here */
5936 BFD_FAIL();
5937
5938 return -1;
5939}
fbca6ad9 5940#endif /* not sh_elf_set_mach_from_flags */
d4845d57 5941
fbca6ad9 5942#ifndef sh_elf_copy_private_data
d4845d57 5943/* Copy backend specific data from one object module to another */
435b1e90 5944
b34976b6 5945static bfd_boolean
09fd220b 5946sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 5947{
0ffa91dd
NC
5948 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5949 return TRUE;
5950
e2349352
L
5951 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
5952 return FALSE;
5953
5954 return sh_elf_set_mach_from_flags (obfd);
d4845d57 5955}
fbca6ad9 5956#endif /* not sh_elf_copy_private_data */
d4845d57 5957
fbca6ad9 5958#ifndef sh_elf_merge_private_data
d4845d57 5959
f6f9408f
JR
5960/* This function returns the ELF architecture number that
5961 corresponds to the given arch_sh* flags. */
85fbca6a 5962
f6f9408f
JR
5963int
5964sh_find_elf_flags (unsigned int arch_set)
d4845d57 5965{
85fbca6a 5966 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 5967 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 5968
f6f9408f
JR
5969 return sh_elf_get_flags_from_mach (bfd_mach);
5970}
f6f9408f 5971
1047201f
AM
5972/* Merge the architecture type of two BFD files, such that the
5973 resultant architecture supports all the features required
5974 by the two input BFDs.
5975 If the input BFDs are multually incompatible - i.e. one uses
5976 DSP while the other uses FPU - or there is no known architecture
5977 that fits the requirements then an error is emitted. */
5978
5979static bfd_boolean
50e03d47 5980sh_merge_bfd_arch (bfd *ibfd, struct bfd_link_info *info)
1047201f 5981{
50e03d47 5982 bfd *obfd = info->output_bfd;
1047201f
AM
5983 unsigned int old_arch, new_arch, merged_arch;
5984
50e03d47 5985 if (! _bfd_generic_verify_endian_match (ibfd, info))
1047201f
AM
5986 return FALSE;
5987
5988 old_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (obfd));
5989 new_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (ibfd));
5990
5991 merged_arch = SH_MERGE_ARCH_SET (old_arch, new_arch);
5992
5993 if (!SH_VALID_CO_ARCH_SET (merged_arch))
5994 {
5995 _bfd_error_handler
695344c0 5996 /* xgettext:c-format */
871b3ab2 5997 (_("%pB: uses %s instructions while previous modules "
695344c0 5998 "use %s instructions"),
1047201f
AM
5999 ibfd,
6000 SH_ARCH_SET_HAS_DSP (new_arch) ? "dsp" : "floating point",
6001 SH_ARCH_SET_HAS_DSP (new_arch) ? "floating point" : "dsp");
6002 bfd_set_error (bfd_error_bad_value);
6003 return FALSE;
6004 }
6005 else if (!SH_VALID_ARCH_SET (merged_arch))
6006 {
6007 _bfd_error_handler
695344c0
NC
6008 /* xgettext:c-format */
6009 (_("internal error: merge of architecture '%s' with "
6010 "architecture '%s' produced unknown architecture"),
1047201f
AM
6011 bfd_printable_name (obfd),
6012 bfd_printable_name (ibfd));
6013 bfd_set_error (bfd_error_bad_value);
6014 return FALSE;
6015 }
6016
6017 bfd_default_set_arch_mach (obfd, bfd_arch_sh,
6018 sh_get_bfd_mach_from_arch_set (merged_arch));
6019
6020 return TRUE;
6021}
6022
f6f9408f
JR
6023/* This routine initialises the elf flags when required and
6024 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 6025
f6f9408f 6026static bfd_boolean
50e03d47 6027sh_elf_merge_private_data (bfd *ibfd, struct bfd_link_info *info)
f6f9408f 6028{
50e03d47 6029 bfd *obfd = info->output_bfd;
85fbca6a 6030
0ffa91dd 6031 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 6032 return TRUE;
d4845d57
JR
6033
6034 if (! elf_flags_init (obfd))
6035 {
a39b79b9 6036 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 6037 elf_flags_init (obfd) = TRUE;
8e45593f 6038 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
f6f9408f 6039 sh_elf_set_mach_from_flags (obfd);
8e45593f 6040 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
fbedb42d 6041 elf_elfheader (obfd)->e_flags &= ~EF_SH_PIC;
d4845d57 6042 }
d4845d57 6043
50e03d47 6044 if (! sh_merge_bfd_arch (ibfd, info))
1d70c7fb 6045 {
871b3ab2 6046 _bfd_error_handler (_("%pB: uses instructions which are incompatible "
695344c0 6047 "with instructions used in previous modules"),
d003868e 6048 ibfd);
1d70c7fb
AO
6049 bfd_set_error (bfd_error_bad_value);
6050 return FALSE;
6051 }
f6f9408f 6052
8e45593f
NC
6053 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
6054 elf_elfheader (obfd)->e_flags |=
f6f9408f 6055 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
8e45593f
NC
6056
6057 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
6058 {
871b3ab2 6059 _bfd_error_handler (_("%pB: attempt to mix FDPIC and non-FDPIC objects"),
8e45593f
NC
6060 ibfd);
6061 bfd_set_error (bfd_error_bad_value);
6062 return FALSE;
6063 }
6064
f6f9408f 6065 return TRUE;
d4845d57 6066}
fbca6ad9 6067#endif /* not sh_elf_merge_private_data */
d4845d57 6068
3376eaf5
KK
6069/* Override the generic function because we need to store sh_elf_obj_tdata
6070 as the specific tdata. We set also the machine architecture from flags
6071 here. */
6072
b34976b6 6073static bfd_boolean
09fd220b 6074sh_elf_object_p (bfd *abfd)
3376eaf5 6075{
8e45593f
NC
6076 if (! sh_elf_set_mach_from_flags (abfd))
6077 return FALSE;
6078
6079 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
6080 == fdpic_object_p (abfd));
3376eaf5
KK
6081}
6082
37c644f2
AO
6083/* Finish up dynamic symbol handling. We set the contents of various
6084 dynamic sections here. */
6085
b34976b6 6086static bfd_boolean
09fd220b
KK
6087sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6088 struct elf_link_hash_entry *h,
6089 Elf_Internal_Sym *sym)
37c644f2 6090{
067653c5 6091 struct elf_sh_link_hash_table *htab;
37c644f2 6092
067653c5 6093 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6094 if (htab == NULL)
6095 return FALSE;
37c644f2
AO
6096
6097 if (h->plt.offset != (bfd_vma) -1)
6098 {
6099 asection *splt;
8e45593f
NC
6100 asection *sgotplt;
6101 asection *srelplt;
37c644f2
AO
6102
6103 bfd_vma plt_index;
6104 bfd_vma got_offset;
6105 Elf_Internal_Rela rel;
947216bf 6106 bfd_byte *loc;
8e45593f 6107 const struct elf_sh_plt_info *plt_info;
37c644f2
AO
6108
6109 /* This symbol has an entry in the procedure linkage table. Set
6110 it up. */
6111
6112 BFD_ASSERT (h->dynindx != -1);
6113
ce558b89
AM
6114 splt = htab->root.splt;
6115 sgotplt = htab->root.sgotplt;
6116 srelplt = htab->root.srelplt;
8e45593f 6117 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
37c644f2
AO
6118
6119 /* Get the index in the procedure linkage table which
6120 corresponds to this symbol. This is the index of this symbol
6121 in all the symbols for which we are making plt entries. The
6122 first entry in the procedure linkage table is reserved. */
55e6e397 6123 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2 6124
8e45593f
NC
6125 plt_info = htab->plt_info;
6126 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6127 plt_info = plt_info->short_plt;
6128
37c644f2 6129 /* Get the offset into the .got table of the entry that
8e45593f
NC
6130 corresponds to this function. */
6131 if (htab->fdpic_p)
6132 /* The offset must be relative to the GOT symbol, twelve bytes
6133 before the end of .got.plt. Each descriptor is eight
6134 bytes. */
6135 got_offset = plt_index * 8 + 12 - sgotplt->size;
6136 else
6137 /* Each .got entry is 4 bytes. The first three are
6138 reserved. */
6139 got_offset = (plt_index + 3) * 4;
37c644f2 6140
fbca6ad9 6141#ifdef GOT_BIAS
0e1862bb 6142 if (bfd_link_pic (info))
c8614e8e 6143 got_offset -= GOT_BIAS;
fbca6ad9
AO
6144#endif
6145
37c644f2 6146 /* Fill in the entry in the procedure linkage table. */
55e6e397 6147 memcpy (splt->contents + h->plt.offset,
8e45593f
NC
6148 plt_info->symbol_entry,
6149 plt_info->symbol_entry_size);
55e6e397 6150
0e1862bb 6151 if (bfd_link_pic (info) || htab->fdpic_p)
8e45593f
NC
6152 {
6153 if (plt_info->symbol_fields.got20)
6154 {
6155 bfd_reloc_status_type r;
6156 r = install_movi20_field (output_bfd, got_offset,
6157 splt->owner, splt, splt->contents,
6158 h->plt.offset
6159 + plt_info->symbol_fields.got_entry);
6160 BFD_ASSERT (r == bfd_reloc_ok);
6161 }
6162 else
6163 install_plt_field (output_bfd, FALSE, got_offset,
6164 (splt->contents
6165 + h->plt.offset
6166 + plt_info->symbol_fields.got_entry));
6167 }
55e6e397 6168 else
37c644f2 6169 {
8e45593f
NC
6170 BFD_ASSERT (!plt_info->symbol_fields.got20);
6171
55e6e397 6172 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6173 (sgotplt->output_section->vma
6174 + sgotplt->output_offset
fbca6ad9 6175 + got_offset),
55e6e397
RS
6176 (splt->contents
6177 + h->plt.offset
8e45593f 6178 + plt_info->symbol_fields.got_entry));
55e6e397 6179 if (htab->vxworks_p)
37c644f2 6180 {
55e6e397
RS
6181 unsigned int reachable_plts, plts_per_4k;
6182 int distance;
6183
6184 /* Divide the PLT into groups. The first group contains
6185 REACHABLE_PLTS entries and the other groups contain
6186 PLTS_PER_4K entries. Entries in the first group can
6187 branch directly to .plt; those in later groups branch
6188 to the last element of the previous group. */
6189 /* ??? It would be better to create multiple copies of
6190 the common resolver stub. */
6191 reachable_plts = ((4096
8e45593f
NC
6192 - plt_info->plt0_entry_size
6193 - (plt_info->symbol_fields.plt + 4))
6194 / plt_info->symbol_entry_size) + 1;
6195 plts_per_4k = (4096 / plt_info->symbol_entry_size);
55e6e397
RS
6196 if (plt_index < reachable_plts)
6197 distance = -(h->plt.offset
8e45593f 6198 + plt_info->symbol_fields.plt);
55e6e397
RS
6199 else
6200 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
8e45593f 6201 * plt_info->symbol_entry_size);
55e6e397
RS
6202
6203 /* Install the 'bra' with this offset. */
6204 bfd_put_16 (output_bfd,
6205 0xa000 | (0x0fff & ((distance - 4) / 2)),
6206 (splt->contents
6207 + h->plt.offset
8e45593f 6208 + plt_info->symbol_fields.plt));
37c644f2 6209 }
55e6e397
RS
6210 else
6211 install_plt_field (output_bfd, TRUE,
6212 splt->output_section->vma + splt->output_offset,
6213 (splt->contents
6214 + h->plt.offset
8e45593f 6215 + plt_info->symbol_fields.plt));
37c644f2
AO
6216 }
6217
8e45593f 6218 /* Make got_offset relative to the start of .got.plt. */
fbca6ad9 6219#ifdef GOT_BIAS
0e1862bb 6220 if (bfd_link_pic (info))
c8614e8e 6221 got_offset += GOT_BIAS;
fbca6ad9 6222#endif
8e45593f
NC
6223 if (htab->fdpic_p)
6224 got_offset = plt_index * 8;
fbca6ad9 6225
8e45593f
NC
6226 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6227 install_plt_field (output_bfd, FALSE,
6228 plt_index * sizeof (Elf32_External_Rela),
6229 (splt->contents
6230 + h->plt.offset
6231 + plt_info->symbol_fields.reloc_offset));
37c644f2
AO
6232
6233 /* Fill in the entry in the global offset table. */
6234 bfd_put_32 (output_bfd,
6235 (splt->output_section->vma
6236 + splt->output_offset
6237 + h->plt.offset
8e45593f
NC
6238 + plt_info->symbol_resolve_offset),
6239 sgotplt->contents + got_offset);
6240 if (htab->fdpic_p)
6241 bfd_put_32 (output_bfd,
ce558b89 6242 sh_elf_osec_to_segment (output_bfd, splt->output_section),
8e45593f 6243 sgotplt->contents + got_offset + 4);
37c644f2
AO
6244
6245 /* Fill in the entry in the .rela.plt section. */
8e45593f
NC
6246 rel.r_offset = (sgotplt->output_section->vma
6247 + sgotplt->output_offset
37c644f2 6248 + got_offset);
8e45593f
NC
6249 if (htab->fdpic_p)
6250 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6251 else
6252 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
37c644f2 6253 rel.r_addend = 0;
fbca6ad9
AO
6254#ifdef GOT_BIAS
6255 rel.r_addend = GOT_BIAS;
6256#endif
8e45593f 6257 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
947216bf 6258 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 6259
0e1862bb 6260 if (htab->vxworks_p && !bfd_link_pic (info))
55e6e397
RS
6261 {
6262 /* Create the .rela.plt.unloaded relocations for this PLT entry.
6263 Begin by pointing LOC to the first such relocation. */
6264 loc = (htab->srelplt2->contents
6265 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
6266
6267 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
6268 for the PLT entry's pointer to the .got.plt entry. */
ce558b89
AM
6269 rel.r_offset = (splt->output_section->vma
6270 + splt->output_offset
55e6e397 6271 + h->plt.offset
8e45593f 6272 + plt_info->symbol_fields.got_entry);
55e6e397
RS
6273 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6274 rel.r_addend = got_offset;
6275 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6276 loc += sizeof (Elf32_External_Rela);
6277
6278 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
6279 the .got.plt entry, which initially points to .plt. */
8e45593f
NC
6280 rel.r_offset = (sgotplt->output_section->vma
6281 + sgotplt->output_offset
55e6e397
RS
6282 + got_offset);
6283 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
6284 rel.r_addend = 0;
6285 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6286 }
6287
f5385ebf 6288 if (!h->def_regular)
37c644f2
AO
6289 {
6290 /* Mark the symbol as undefined, rather than as defined in
6291 the .plt section. Leave the value alone. */
6292 sym->st_shndx = SHN_UNDEF;
6293 }
6294 }
6295
3376eaf5 6296 if (h->got.offset != (bfd_vma) -1
8e45593f
NC
6297 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
6298 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
6299 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
37c644f2
AO
6300 {
6301 asection *sgot;
8e45593f 6302 asection *srelgot;
37c644f2 6303 Elf_Internal_Rela rel;
947216bf 6304 bfd_byte *loc;
37c644f2
AO
6305
6306 /* This symbol has an entry in the global offset table. Set it
6307 up. */
6308
ce558b89
AM
6309 sgot = htab->root.sgot;
6310 srelgot = htab->root.srelgot;
8e45593f 6311 BFD_ASSERT (sgot != NULL && srelgot != NULL);
37c644f2
AO
6312
6313 rel.r_offset = (sgot->output_section->vma
6314 + sgot->output_offset
dc810e39 6315 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 6316
067653c5
AM
6317 /* If this is a static link, or it is a -Bsymbolic link and the
6318 symbol is defined locally or was forced to be local because
6319 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
6320 The entry in the global offset table will already have been
6321 initialized in the relocate_section function. */
0e1862bb 6322 if (bfd_link_pic (info)
3d85aebe 6323 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2 6324 {
8e45593f
NC
6325 if (htab->fdpic_p)
6326 {
6327 asection *sec = h->root.u.def.section;
6328 int dynindx
6329 = elf_section_data (sec->output_section)->dynindx;
6330
6331 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6332 rel.r_addend = (h->root.u.def.value
6333 + h->root.u.def.section->output_offset);
6334 }
6335 else
6336 {
6337 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6338 rel.r_addend = (h->root.u.def.value
6339 + h->root.u.def.section->output_section->vma
6340 + h->root.u.def.section->output_offset);
6341 }
37c644f2
AO
6342 }
6343 else
6344 {
6345 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6346 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6347 rel.r_addend = 0;
6348 }
6349
8e45593f
NC
6350 loc = srelgot->contents;
6351 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 6352 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
6353 }
6354
f5385ebf 6355 if (h->needs_copy)
37c644f2
AO
6356 {
6357 asection *s;
6358 Elf_Internal_Rela rel;
947216bf 6359 bfd_byte *loc;
37c644f2
AO
6360
6361 /* This symbol needs a copy reloc. Set it up. */
6362
6363 BFD_ASSERT (h->dynindx != -1
6364 && (h->root.type == bfd_link_hash_defined
6365 || h->root.type == bfd_link_hash_defweak));
6366
3d4d4302 6367 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
37c644f2
AO
6368 BFD_ASSERT (s != NULL);
6369
6370 rel.r_offset = (h->root.u.def.value
6371 + h->root.u.def.section->output_section->vma
6372 + h->root.u.def.section->output_offset);
6373 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
6374 rel.r_addend = 0;
947216bf
AM
6375 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
6376 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
6377 }
6378
55e6e397
RS
6379 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
6380 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
6381 ".got" section. */
9637f6ef 6382 if (h == htab->root.hdynamic
55e6e397 6383 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
6384 sym->st_shndx = SHN_ABS;
6385
b34976b6 6386 return TRUE;
37c644f2
AO
6387}
6388
6389/* Finish up the dynamic sections. */
6390
b34976b6 6391static bfd_boolean
09fd220b 6392sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 6393{
067653c5 6394 struct elf_sh_link_hash_table *htab;
8e45593f 6395 asection *sgotplt;
37c644f2
AO
6396 asection *sdyn;
6397
067653c5 6398 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6399 if (htab == NULL)
6400 return FALSE;
6401
ce558b89 6402 sgotplt = htab->root.sgotplt;
3d4d4302 6403 sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
37c644f2 6404
067653c5 6405 if (htab->root.dynamic_sections_created)
37c644f2
AO
6406 {
6407 asection *splt;
6408 Elf32_External_Dyn *dyncon, *dynconend;
6409
8e45593f 6410 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
37c644f2
AO
6411
6412 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 6413 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
6414 for (; dyncon < dynconend; dyncon++)
6415 {
6416 Elf_Internal_Dyn dyn;
37c644f2
AO
6417 asection *s;
6418
2293c499 6419 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
6420
6421 switch (dyn.d_tag)
6422 {
6423 default:
7a2b07ff
NS
6424 if (htab->vxworks_p
6425 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
6426 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
6427 break;
6428
6429 case DT_PLTGOT:
8e45593f
NC
6430 BFD_ASSERT (htab->root.hgot != NULL);
6431 s = htab->root.hgot->root.u.def.section;
6432 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
6433 + s->output_section->vma + s->output_offset;
6434 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6435 break;
37c644f2
AO
6436
6437 case DT_JMPREL:
ce558b89 6438 s = htab->root.srelplt->output_section;
37c644f2
AO
6439 BFD_ASSERT (s != NULL);
6440 dyn.d_un.d_ptr = s->vma;
6441 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6442 break;
6443
6444 case DT_PLTRELSZ:
ce558b89 6445 s = htab->root.srelplt->output_section;
37c644f2 6446 BFD_ASSERT (s != NULL);
eea6121a 6447 dyn.d_un.d_val = s->size;
37c644f2
AO
6448 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6449 break;
37c644f2
AO
6450 }
6451 }
6452
6453 /* Fill in the first entry in the procedure linkage table. */
ce558b89 6454 splt = htab->root.splt;
55e6e397 6455 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 6456 {
55e6e397
RS
6457 unsigned int i;
6458
6459 memcpy (splt->contents,
6460 htab->plt_info->plt0_entry,
6461 htab->plt_info->plt0_entry_size);
6462 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
6463 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
6464 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6465 (sgotplt->output_section->vma
6466 + sgotplt->output_offset
55e6e397
RS
6467 + (i * 4)),
6468 (splt->contents
6469 + htab->plt_info->plt0_got_fields[i]));
6470
6471 if (htab->vxworks_p)
37c644f2 6472 {
55e6e397
RS
6473 /* Finalize the .rela.plt.unloaded contents. */
6474 Elf_Internal_Rela rel;
6475 bfd_byte *loc;
6476
6477 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
6478 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
6479 loc = htab->srelplt2->contents;
6480 rel.r_offset = (splt->output_section->vma
6481 + splt->output_offset
6482 + htab->plt_info->plt0_got_fields[2]);
6483 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6484 rel.r_addend = 8;
6485 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6486 loc += sizeof (Elf32_External_Rela);
6487
6488 /* Fix up the remaining .rela.plt.unloaded relocations.
6489 They may have the wrong symbol index for _G_O_T_ or
6490 _P_L_T_ depending on the order in which symbols were
6491 output. */
6492 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 6493 {
55e6e397
RS
6494 /* The PLT entry's pointer to the .got.plt slot. */
6495 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
6496 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
6497 R_SH_DIR32);
6498 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6499 loc += sizeof (Elf32_External_Rela);
6500
6501 /* The .got.plt slot's pointer to .plt. */
6502 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
6503 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
6504 R_SH_DIR32);
6505 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6506 loc += sizeof (Elf32_External_Rela);
37c644f2 6507 }
37c644f2
AO
6508 }
6509
6510 /* UnixWare sets the entsize of .plt to 4, although that doesn't
6511 really seem like the right value. */
6512 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
6513 }
6514 }
6515
6516 /* Fill in the first three entries in the global offset table. */
8e45593f 6517 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
37c644f2
AO
6518 {
6519 if (sdyn == NULL)
8e45593f 6520 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
37c644f2
AO
6521 else
6522 bfd_put_32 (output_bfd,
6523 sdyn->output_section->vma + sdyn->output_offset,
8e45593f
NC
6524 sgotplt->contents);
6525 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
6526 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
6527 }
37c644f2 6528
8e45593f
NC
6529 if (sgotplt && sgotplt->size > 0)
6530 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
68ffbac6 6531
8e45593f
NC
6532 /* At the very end of the .rofixup section is a pointer to the GOT. */
6533 if (htab->fdpic_p && htab->srofixup != NULL)
6534 {
6535 struct elf_link_hash_entry *hgot = htab->root.hgot;
6536 bfd_vma got_value = hgot->root.u.def.value
6537 + hgot->root.u.def.section->output_section->vma
6538 + hgot->root.u.def.section->output_offset;
6539
6540 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
6541
6542 /* Make sure we allocated and generated the same number of fixups. */
6543 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
067653c5 6544 }
37c644f2 6545
8e45593f
NC
6546 if (htab->srelfuncdesc)
6547 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
6548 == htab->srelfuncdesc->size);
6549
ce558b89
AM
6550 if (htab->root.srelgot)
6551 BFD_ASSERT (htab->root.srelgot->reloc_count * sizeof (Elf32_External_Rela)
6552 == htab->root.srelgot->size);
8e45593f 6553
b34976b6 6554 return TRUE;
37c644f2
AO
6555}
6556
99e4ae17 6557static enum elf_reloc_type_class
7e612e98
AM
6558sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
6559 const asection *rel_sec ATTRIBUTE_UNUSED,
6560 const Elf_Internal_Rela *rela)
99e4ae17 6561{
f51e552e 6562 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
6563 {
6564 case R_SH_RELATIVE:
6565 return reloc_class_relative;
6566 case R_SH_JMP_SLOT:
6567 return reloc_class_plt;
6568 case R_SH_COPY:
6569 return reloc_class_copy;
6570 default:
6571 return reloc_class_normal;
6572 }
6573}
6574
85fbca6a 6575#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 6576/* Support for Linux core dump NOTE sections. */
85fbca6a 6577
b34976b6 6578static bfd_boolean
09fd220b 6579elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
6580{
6581 int offset;
eea6121a 6582 unsigned int size;
2bc3c89a
AM
6583
6584 switch (note->descsz)
6585 {
6586 default:
b34976b6 6587 return FALSE;
2bc3c89a
AM
6588
6589 case 168: /* Linux/SH */
6590 /* pr_cursig */
228e534f 6591 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
2bc3c89a
AM
6592
6593 /* pr_pid */
228e534f 6594 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
2bc3c89a
AM
6595
6596 /* pr_reg */
6597 offset = 72;
eea6121a 6598 size = 92;
2bc3c89a
AM
6599
6600 break;
6601 }
6602
6603 /* Make a ".reg/999" section. */
6604 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 6605 size, note->descpos + offset);
2bc3c89a
AM
6606}
6607
b34976b6 6608static bfd_boolean
09fd220b 6609elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
6610{
6611 switch (note->descsz)
6612 {
6613 default:
b34976b6 6614 return FALSE;
2bc3c89a
AM
6615
6616 case 124: /* Linux/SH elf_prpsinfo */
228e534f 6617 elf_tdata (abfd)->core->program
2bc3c89a 6618 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 6619 elf_tdata (abfd)->core->command
2bc3c89a
AM
6620 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
6621 }
6622
6623 /* Note that for some reason, a spurious space is tacked
6624 onto the end of the args in some (at least one anyway)
6625 implementations, so strip it off if it exists. */
6626
6627 {
228e534f 6628 char *command = elf_tdata (abfd)->core->command;
2bc3c89a
AM
6629 int n = strlen (command);
6630
6631 if (0 < n && command[n - 1] == ' ')
6632 command[n - 1] = '\0';
6633 }
6634
b34976b6 6635 return TRUE;
2bc3c89a 6636}
85fbca6a 6637#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 6638
68ffbac6 6639
1f1799d5
KK
6640/* Return address for Ith PLT stub in section PLT, for relocation REL
6641 or (bfd_vma) -1 if it should not be included. */
6642
6643static bfd_vma
6644sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
6645 const arelent *rel ATTRIBUTE_UNUSED)
6646{
55e6e397
RS
6647 const struct elf_sh_plt_info *plt_info;
6648
6649 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
6650 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
6651}
6652
8e45593f
NC
6653/* Decide whether to attempt to turn absptr or lsda encodings in
6654 shared libraries into pcrel within the given input section. */
6655
6656static bfd_boolean
6657sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
6658 struct bfd_link_info *info,
6659 asection *eh_frame_section ATTRIBUTE_UNUSED)
6660{
6661 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
6662
6663 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
6664 if (htab->fdpic_p)
6665 return FALSE;
6666
6667 return TRUE;
6668}
6669
6670/* Adjust the contents of an eh_frame_hdr section before they're output. */
6671
6672static bfd_byte
6673sh_elf_encode_eh_address (bfd *abfd,
6674 struct bfd_link_info *info,
6675 asection *osec, bfd_vma offset,
6676 asection *loc_sec, bfd_vma loc_offset,
6677 bfd_vma *encoded)
6678{
6679 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
6680 struct elf_link_hash_entry *h;
6681
6682 if (!htab->fdpic_p)
6683 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
6684 loc_offset, encoded);
6685
6686 h = htab->root.hgot;
6687 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
6688
6689 if (! h || (sh_elf_osec_to_segment (abfd, osec)
6690 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
6691 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
6692 loc_sec, loc_offset, encoded);
6693
6694 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
6695 == (sh_elf_osec_to_segment
6696 (abfd, h->root.u.def.section->output_section)));
6697
6698 *encoded = osec->vma + offset
6699 - (h->root.u.def.value
6700 + h->root.u.def.section->output_section->vma
6701 + h->root.u.def.section->output_offset);
6702
6703 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
6704}
6705
85fbca6a 6706#if !defined SH_TARGET_ALREADY_DEFINED
6d00b590 6707#define TARGET_BIG_SYM sh_elf32_vec
252b5132 6708#define TARGET_BIG_NAME "elf32-sh"
6d00b590 6709#define TARGET_LITTLE_SYM sh_elf32_le_vec
252b5132 6710#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
6711#endif
6712
252b5132 6713#define ELF_ARCH bfd_arch_sh
ae95ffa6 6714#define ELF_TARGET_ID SH_ELF_DATA
252b5132 6715#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
6716#ifdef __QNXTARGET__
6717#define ELF_MAXPAGESIZE 0x1000
6718#else
6719#define ELF_MAXPAGESIZE 0x80
6720#endif
252b5132
RH
6721
6722#define elf_symbol_leading_char '_'
6723
6724#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
6725#define bfd_elf32_bfd_reloc_name_lookup \
6726 sh_elf_reloc_name_lookup
252b5132
RH
6727#define elf_info_to_howto sh_elf_info_to_howto
6728#define bfd_elf32_bfd_relax_section sh_elf_relax_section
6729#define elf_backend_relocate_section sh_elf_relocate_section
6730#define bfd_elf32_bfd_get_relocated_section_contents \
6731 sh_elf_get_relocated_section_contents
3376eaf5
KK
6732#define bfd_elf32_mkobject sh_elf_mkobject
6733#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
6734#define bfd_elf32_bfd_copy_private_bfd_data \
6735 sh_elf_copy_private_data
875f7f69 6736#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 6737 sh_elf_merge_private_data
252b5132 6738
067653c5 6739#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
067653c5
AM
6740#define elf_backend_check_relocs sh_elf_check_relocs
6741#define elf_backend_copy_indirect_symbol \
6742 sh_elf_copy_indirect_symbol
37c644f2
AO
6743#define elf_backend_create_dynamic_sections \
6744 sh_elf_create_dynamic_sections
6745#define bfd_elf32_bfd_link_hash_table_create \
6746 sh_elf_link_hash_table_create
6747#define elf_backend_adjust_dynamic_symbol \
6748 sh_elf_adjust_dynamic_symbol
55e6e397
RS
6749#define elf_backend_always_size_sections \
6750 sh_elf_always_size_sections
37c644f2
AO
6751#define elf_backend_size_dynamic_sections \
6752 sh_elf_size_dynamic_sections
8e45593f 6753#define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
37c644f2
AO
6754#define elf_backend_finish_dynamic_symbol \
6755 sh_elf_finish_dynamic_symbol
6756#define elf_backend_finish_dynamic_sections \
6757 sh_elf_finish_dynamic_sections
99e4ae17 6758#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 6759#define elf_backend_plt_sym_val sh_elf_plt_sym_val
8e45593f
NC
6760#define elf_backend_can_make_relative_eh_frame \
6761 sh_elf_use_relative_eh_frame
6762#define elf_backend_can_make_lsda_relative_eh_frame \
6763 sh_elf_use_relative_eh_frame
6764#define elf_backend_encode_eh_address \
6765 sh_elf_encode_eh_address
37c644f2 6766
04c3a755 6767#define elf_backend_stack_align 8
067653c5
AM
6768#define elf_backend_can_gc_sections 1
6769#define elf_backend_can_refcount 1
37c644f2
AO
6770#define elf_backend_want_got_plt 1
6771#define elf_backend_plt_readonly 1
6772#define elf_backend_want_plt_sym 0
6773#define elf_backend_got_header_size 12
64f52338 6774#define elf_backend_dtrel_excludes_plt 1
ed71e111 6775
a2f63b2e
MR
6776#define elf_backend_linux_prpsinfo32_ugid16 TRUE
6777
211dc24b 6778#if !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 6779
252b5132 6780#include "elf32-target.h"
ed71e111 6781
2bc3c89a
AM
6782/* NetBSD support. */
6783#undef TARGET_BIG_SYM
6d00b590 6784#define TARGET_BIG_SYM sh_elf32_nbsd_vec
2bc3c89a
AM
6785#undef TARGET_BIG_NAME
6786#define TARGET_BIG_NAME "elf32-sh-nbsd"
6787#undef TARGET_LITTLE_SYM
6d00b590 6788#define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec
2bc3c89a
AM
6789#undef TARGET_LITTLE_NAME
6790#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6791#undef ELF_MAXPAGESIZE
6792#define ELF_MAXPAGESIZE 0x10000
24718e3b 6793#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
6794#undef elf_symbol_leading_char
6795#define elf_symbol_leading_char 0
571fe01f 6796#undef elf32_bed
2bc3c89a
AM
6797#define elf32_bed elf32_sh_nbsd_bed
6798
6799#include "elf32-target.h"
6800
2bc3c89a
AM
6801
6802/* Linux support. */
6803#undef TARGET_BIG_SYM
6d00b590 6804#define TARGET_BIG_SYM sh_elf32_linux_be_vec
2bc3c89a
AM
6805#undef TARGET_BIG_NAME
6806#define TARGET_BIG_NAME "elf32-shbig-linux"
6807#undef TARGET_LITTLE_SYM
6d00b590 6808#define TARGET_LITTLE_SYM sh_elf32_linux_vec
2bc3c89a
AM
6809#undef TARGET_LITTLE_NAME
6810#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
6811#undef ELF_COMMONPAGESIZE
6812#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
6813
6814#undef elf_backend_grok_prstatus
6815#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6816#undef elf_backend_grok_psinfo
6817#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 6818#undef elf32_bed
2bc3c89a
AM
6819#define elf32_bed elf32_sh_lin_bed
6820
6821#include "elf32-target.h"
6822
8e45593f
NC
6823
6824/* FDPIC support. */
6825#undef TARGET_BIG_SYM
6d00b590 6826#define TARGET_BIG_SYM sh_elf32_fdpic_be_vec
8e45593f
NC
6827#undef TARGET_BIG_NAME
6828#define TARGET_BIG_NAME "elf32-shbig-fdpic"
6829#undef TARGET_LITTLE_SYM
6d00b590 6830#define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec
8e45593f
NC
6831#undef TARGET_LITTLE_NAME
6832#define TARGET_LITTLE_NAME "elf32-sh-fdpic"
8e45593f
NC
6833
6834#undef elf32_bed
6835#define elf32_bed elf32_sh_fd_bed
6836
6837#include "elf32-target.h"
6838
8e45593f 6839/* VxWorks support. */
55e6e397 6840#undef TARGET_BIG_SYM
6d00b590 6841#define TARGET_BIG_SYM sh_elf32_vxworks_vec
55e6e397
RS
6842#undef TARGET_BIG_NAME
6843#define TARGET_BIG_NAME "elf32-sh-vxworks"
6844#undef TARGET_LITTLE_SYM
6d00b590 6845#define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec
55e6e397
RS
6846#undef TARGET_LITTLE_NAME
6847#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6848#undef elf32_bed
6849#define elf32_bed elf32_sh_vxworks_bed
6850
6851#undef elf_backend_want_plt_sym
6852#define elf_backend_want_plt_sym 1
6853#undef elf_symbol_leading_char
6854#define elf_symbol_leading_char '_'
6855#define elf_backend_want_got_underscore 1
6856#undef elf_backend_grok_prstatus
6857#undef elf_backend_grok_psinfo
6858#undef elf_backend_add_symbol_hook
6859#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6860#undef elf_backend_link_output_symbol_hook
6861#define elf_backend_link_output_symbol_hook \
6862 elf_vxworks_link_output_symbol_hook
6863#undef elf_backend_emit_relocs
6864#define elf_backend_emit_relocs elf_vxworks_emit_relocs
6865#undef elf_backend_final_write_processing
6866#define elf_backend_final_write_processing \
6867 elf_vxworks_final_write_processing
6868#undef ELF_MAXPAGESIZE
6869#define ELF_MAXPAGESIZE 0x1000
6870#undef ELF_COMMONPAGESIZE
6871
6872#include "elf32-target.h"
6873
211dc24b 6874#endif /* not SH_TARGET_ALREADY_DEFINED */
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