Really remove tic30-aout support
[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
CommitLineData
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 {
c9594989 170 free (contents);
015551fc
JR
171 return bfd_reloc_outofrange;
172 }
173 }
174 }
175#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
176 start_ptr = contents + start;
177 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
178 {
179 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
180 ptr -= 2;
181 ptr += 2;
61ff1804 182 diff = (last_ptr - ptr) >> 1;
015551fc
JR
183 cum_diff += diff & 1;
184 cum_diff += diff;
185 }
186 /* Calculate the start / end values to load into rs / re minus four -
187 so that will cancel out the four we would otherwise have to add to
188 addr to get the value to subtract in order to get relative addressing. */
189 if (cum_diff >= 0)
190 {
191 start -= 4;
192 end = (ptr + cum_diff * 2) - contents;
193 }
194 else
195 {
196 bfd_vma start0 = start - 4;
197
a0fc8ba1 198 while (start0 && IS_PPI (contents + start0))
015551fc
JR
199 start0 -= 2;
200 start0 = start - 2 - ((start - start0) & 2);
201 start = start0 - cum_diff - 2;
202 end = start0;
203 }
204
c9594989 205 if (elf_section_data (symbol_section)->this_hdr.contents != contents)
6cdc0ccc 206 free (contents);
015551fc
JR
207
208 insn = bfd_get_16 (input_bfd, contents + addr);
209
210 x = (insn & 0x200 ? end : start) - addr;
211 if (input_section != symbol_section)
212 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
213 - (input_section->output_section->vma
214 + input_section->output_offset));
215 x >>= 1;
216 if (x < -128 || x > 127)
217 return bfd_reloc_overflow;
218
61ff1804 219 x = (insn & ~0xff) | (x & 0xff);
dc810e39 220 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
015551fc
JR
221
222 return bfd_reloc_ok;
223}
224
225/* This function is used for normal relocs. This used to be like the COFF
252b5132
RH
226 function, and is almost certainly incorrect for other ELF targets. */
227
228static bfd_reloc_status_type
09fd220b
KK
229sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
230 void *data, asection *input_section, bfd *output_bfd,
231 char **error_message ATTRIBUTE_UNUSED)
252b5132 232{
96e2dbda 233 bfd_vma insn;
252b5132
RH
234 bfd_vma sym_value;
235 enum elf_sh_reloc_type r_type;
236 bfd_vma addr = reloc_entry->address;
bb294208
AM
237 bfd_size_type octets = addr * OCTETS_PER_BYTE (abfd, input_section);
238 bfd_byte *hit_data = (bfd_byte *) data + octets;
252b5132
RH
239
240 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
241
242 if (output_bfd != NULL)
243 {
244 /* Partial linking--do nothing. */
245 reloc_entry->address += input_section->output_offset;
246 return bfd_reloc_ok;
247 }
248
249 /* Almost all relocs have to do with relaxing. If any work must be
250 done for them, it has been done in sh_relax_section. */
015551fc 251 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
252b5132
RH
252 return bfd_reloc_ok;
253
254 if (symbol_in != NULL
255 && bfd_is_und_section (symbol_in->section))
256 return bfd_reloc_undefined;
257
cd21f5da 258 /* PR 17512: file: 9891ca98. */
bb294208 259 if (octets + bfd_get_reloc_size (reloc_entry->howto)
6346d5ca 260 > bfd_get_section_limit_octets (abfd, input_section))
cd21f5da
NC
261 return bfd_reloc_outofrange;
262
252b5132 263 if (bfd_is_com_section (symbol_in->section))
435b1e90
KH
264 sym_value = 0;
265 else
252b5132
RH
266 sym_value = (symbol_in->value +
267 symbol_in->section->output_section->vma +
268 symbol_in->section->output_offset);
269
270 switch (r_type)
271 {
272 case R_SH_DIR32:
273 insn = bfd_get_32 (abfd, hit_data);
274 insn += sym_value + reloc_entry->addend;
96e2dbda 275 bfd_put_32 (abfd, insn, hit_data);
252b5132
RH
276 break;
277 case R_SH_IND12W:
278 insn = bfd_get_16 (abfd, hit_data);
279 sym_value += reloc_entry->addend;
280 sym_value -= (input_section->output_section->vma
281 + input_section->output_offset
282 + addr
283 + 4);
96e2dbda
AM
284 sym_value += (((insn & 0xfff) ^ 0x800) - 0x800) << 1;
285 insn = (insn & 0xf000) | ((sym_value >> 1) & 0xfff);
286 bfd_put_16 (abfd, insn, hit_data);
287 if (sym_value + 0x1000 >= 0x2000 || (sym_value & 1) != 0)
252b5132
RH
288 return bfd_reloc_overflow;
289 break;
290 default:
291 abort ();
292 break;
293 }
294
295 return bfd_reloc_ok;
296}
297
298/* This function is used for relocs which are only used for relaxing,
299 which the linker should otherwise ignore. */
300
301static bfd_reloc_status_type
09fd220b
KK
302sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
303 asymbol *symbol ATTRIBUTE_UNUSED,
304 void *data ATTRIBUTE_UNUSED, asection *input_section,
305 bfd *output_bfd,
306 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
307{
308 if (output_bfd != NULL)
309 reloc_entry->address += input_section->output_offset;
310 return bfd_reloc_ok;
311}
312
313/* This structure is used to map BFD reloc codes to SH ELF relocs. */
314
38b1a46c
NC
315struct elf_reloc_map
316{
252b5132
RH
317 bfd_reloc_code_real_type bfd_reloc_val;
318 unsigned char elf_reloc_val;
319};
320
321/* An array mapping BFD reloc codes to SH ELF relocs. */
322
38b1a46c
NC
323static const struct elf_reloc_map sh_reloc_map[] =
324{
252b5132
RH
325 { BFD_RELOC_NONE, R_SH_NONE },
326 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
327 { BFD_RELOC_16, R_SH_DIR16 },
328 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
329 { BFD_RELOC_CTOR, R_SH_DIR32 },
330 { BFD_RELOC_32_PCREL, R_SH_REL32 },
331 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
332 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
333 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
334 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
335 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
336 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
337 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
338 { BFD_RELOC_SH_USES, R_SH_USES },
339 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
340 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
341 { BFD_RELOC_SH_CODE, R_SH_CODE },
342 { BFD_RELOC_SH_DATA, R_SH_DATA },
343 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
344 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
345 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
346 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
347 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
348 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
349 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
350 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
351 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
352 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
353 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
354 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
355 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
356 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
357 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
358 { BFD_RELOC_SH_COPY, R_SH_COPY },
359 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
360 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
361 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
362 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
363 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9 364 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
8e45593f
NC
365 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
366 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
367 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
368 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
369 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
370 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
371 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
252b5132
RH
372};
373
374/* Given a BFD reloc code, return the howto structure for the
55e6e397 375 corresponding SH ELF reloc. */
252b5132
RH
376
377static reloc_howto_type *
55e6e397 378sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
379{
380 unsigned int i;
381
382 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
383 {
384 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 385 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
386 }
387
388 return NULL;
389}
390
157090f7
AM
391static reloc_howto_type *
392sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
393{
394 unsigned int i;
395
396 if (vxworks_object_p (abfd))
397 {
398 for (i = 0;
399 i < (sizeof (sh_vxworks_howto_table)
400 / sizeof (sh_vxworks_howto_table[0]));
401 i++)
402 if (sh_vxworks_howto_table[i].name != NULL
403 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
404 return &sh_vxworks_howto_table[i];
405 }
406 else
407 {
408 for (i = 0;
409 i < (sizeof (sh_elf_howto_table)
410 / sizeof (sh_elf_howto_table[0]));
411 i++)
412 if (sh_elf_howto_table[i].name != NULL
413 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
414 return &sh_elf_howto_table[i];
415 }
416
417 return NULL;
418}
419
252b5132
RH
420/* Given an ELF reloc, fill in the howto field of a relent. */
421
f3185997 422static bfd_boolean
55e6e397 423sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
424{
425 unsigned int r;
426
427 r = ELF32_R_TYPE (dst->r_info);
428
cd21f5da
NC
429 if (r >= R_SH_max
430 || (r >= R_SH_FIRST_INVALID_RELOC && r <= R_SH_LAST_INVALID_RELOC)
431 || (r >= R_SH_FIRST_INVALID_RELOC_2 && r <= R_SH_LAST_INVALID_RELOC_2)
432 || (r >= R_SH_FIRST_INVALID_RELOC_3 && r <= R_SH_LAST_INVALID_RELOC_3)
433 || (r >= R_SH_FIRST_INVALID_RELOC_4 && r <= R_SH_LAST_INVALID_RELOC_4)
434 || (r >= R_SH_FIRST_INVALID_RELOC_5 && r <= R_SH_LAST_INVALID_RELOC_5)
435 || (r >= R_SH_FIRST_INVALID_RELOC_6 && r <= R_SH_LAST_INVALID_RELOC_6))
436 {
695344c0 437 /* xgettext:c-format */
0aa13fee 438 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
4eca0228 439 abfd, r);
cd21f5da 440 bfd_set_error (bfd_error_bad_value);
f3185997 441 return FALSE;
cd21f5da 442 }
252b5132 443
55e6e397 444 cache_ptr->howto = get_howto_table (abfd) + r;
f3185997 445 return TRUE;
252b5132
RH
446}
447\f
448/* This function handles relaxing for SH ELF. See the corresponding
449 function in coff-sh.c for a description of what this does. FIXME:
450 There is a lot of duplication here between this code and the COFF
451 specific code. The format of relocs and symbols is wound deeply
452 into this code, but it would still be better if the duplication
453 could be eliminated somehow. Note in particular that although both
454 functions use symbols like R_SH_CODE, those symbols have different
455 values; in coff-sh.c they come from include/coff/sh.h, whereas here
456 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
457
b34976b6 458static bfd_boolean
09fd220b
KK
459sh_elf_relax_section (bfd *abfd, asection *sec,
460 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
461{
462 Elf_Internal_Shdr *symtab_hdr;
463 Elf_Internal_Rela *internal_relocs;
b34976b6 464 bfd_boolean have_code;
252b5132
RH
465 Elf_Internal_Rela *irel, *irelend;
466 bfd_byte *contents = NULL;
6cdc0ccc 467 Elf_Internal_Sym *isymbuf = NULL;
252b5132 468
b34976b6 469 *again = FALSE;
252b5132 470
0e1862bb 471 if (bfd_link_relocatable (link_info)
252b5132
RH
472 || (sec->flags & SEC_RELOC) == 0
473 || sec->reloc_count == 0)
b34976b6 474 return TRUE;
252b5132 475
0ffa91dd 476 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 477
45d6a902 478 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 479 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
480 link_info->keep_memory));
481 if (internal_relocs == NULL)
482 goto error_return;
252b5132 483
b34976b6 484 have_code = FALSE;
252b5132
RH
485
486 irelend = internal_relocs + sec->reloc_count;
487 for (irel = internal_relocs; irel < irelend; irel++)
488 {
489 bfd_vma laddr, paddr, symval;
490 unsigned short insn;
491 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
492 bfd_signed_vma foff;
493
494 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 495 have_code = TRUE;
252b5132
RH
496
497 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
498 continue;
499
500 /* Get the section contents. */
501 if (contents == NULL)
502 {
503 if (elf_section_data (sec)->this_hdr.contents != NULL)
504 contents = elf_section_data (sec)->this_hdr.contents;
505 else
506 {
eea6121a 507 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
508 goto error_return;
509 }
510 }
511
512 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
513 the register load. The 4 is because the r_addend field is
514 computed as though it were a jump offset, which are based
515 from 4 bytes after the jump instruction. */
252b5132 516 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 517 if (laddr >= sec->size)
252b5132 518 {
695344c0 519 /* xgettext:c-format */
2dcf00ce
AM
520 _bfd_error_handler
521 (_("%pB: %#" PRIx64 ": warning: bad R_SH_USES offset"),
522 abfd, (uint64_t) irel->r_offset);
252b5132
RH
523 continue;
524 }
525 insn = bfd_get_16 (abfd, contents + laddr);
526
527 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 528 do. */
252b5132
RH
529 if ((insn & 0xf000) != 0xd000)
530 {
4eca0228 531 _bfd_error_handler
695344c0 532 /* xgettext:c-format */
2dcf00ce
AM
533 (_("%pB: %#" PRIx64 ": warning: "
534 "R_SH_USES points to unrecognized insn 0x%x"),
535 abfd, (uint64_t) irel->r_offset, insn);
252b5132
RH
536 continue;
537 }
538
539 /* Get the address from which the register is being loaded. The
99e4ae17
AJ
540 displacement in the mov.l instruction is quadrupled. It is a
541 displacement from four bytes after the movl instruction, but,
542 before adding in the PC address, two least significant bits
543 of the PC are cleared. We assume that the section is aligned
544 on a four byte boundary. */
252b5132
RH
545 paddr = insn & 0xff;
546 paddr *= 4;
dc810e39 547 paddr += (laddr + 4) &~ (bfd_vma) 3;
eea6121a 548 if (paddr >= sec->size)
252b5132 549 {
4eca0228 550 _bfd_error_handler
695344c0 551 /* xgettext:c-format */
2dcf00ce
AM
552 (_("%pB: %#" PRIx64 ": warning: bad R_SH_USES load offset"),
553 abfd, (uint64_t) irel->r_offset);
252b5132
RH
554 continue;
555 }
556
557 /* Get the reloc for the address from which the register is
067653c5
AM
558 being loaded. This reloc will tell us which function is
559 actually being called. */
252b5132
RH
560 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
561 if (irelfn->r_offset == paddr
562 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
563 break;
564 if (irelfn >= irelend)
565 {
4eca0228 566 _bfd_error_handler
695344c0 567 /* xgettext:c-format */
2dcf00ce
AM
568 (_("%pB: %#" PRIx64 ": warning: could not find expected reloc"),
569 abfd, (uint64_t) paddr);
252b5132
RH
570 continue;
571 }
572
573 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 574 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 575 {
6cdc0ccc
AM
576 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
577 if (isymbuf == NULL)
578 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
579 symtab_hdr->sh_info, 0,
580 NULL, NULL, NULL);
581 if (isymbuf == NULL)
582 goto error_return;
252b5132
RH
583 }
584
585 /* Get the value of the symbol referred to by the reloc. */
586 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
587 {
9ad5cbcf 588 /* A local symbol. */
6cdc0ccc 589 Elf_Internal_Sym *isym;
252b5132 590
6cdc0ccc
AM
591 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
592 if (isym->st_shndx
d426c6b0 593 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132 594 {
4eca0228 595 _bfd_error_handler
695344c0 596 /* xgettext:c-format */
2dcf00ce
AM
597 (_("%pB: %#" PRIx64 ": warning: symbol in unexpected section"),
598 abfd, (uint64_t) paddr);
252b5132
RH
599 continue;
600 }
601
6cdc0ccc 602 symval = (isym->st_value
252b5132
RH
603 + sec->output_section->vma
604 + sec->output_offset);
605 }
606 else
607 {
608 unsigned long indx;
609 struct elf_link_hash_entry *h;
610
611 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
612 h = elf_sym_hashes (abfd)[indx];
613 BFD_ASSERT (h != NULL);
614 if (h->root.type != bfd_link_hash_defined
615 && h->root.type != bfd_link_hash_defweak)
616 {
617 /* This appears to be a reference to an undefined
067653c5
AM
618 symbol. Just ignore it--it will be caught by the
619 regular reloc processing. */
252b5132
RH
620 continue;
621 }
622
623 symval = (h->root.u.def.value
624 + h->root.u.def.section->output_section->vma
625 + h->root.u.def.section->output_offset);
626 }
627
55e6e397
RS
628 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
629 symval += bfd_get_32 (abfd, contents + paddr);
630 else
631 symval += irelfn->r_addend;
252b5132
RH
632
633 /* See if this function call can be shortened. */
634 foff = (symval
635 - (irel->r_offset
636 + sec->output_section->vma
637 + sec->output_offset
638 + 4));
f725025b
DD
639 /* A branch to an address beyond ours might be increased by an
640 .align that doesn't move when bytes behind us are deleted.
641 So, we add some slop in this calculation to allow for
642 that. */
643 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
644 {
645 /* After all that work, we can't shorten this function call. */
646 continue;
647 }
648
649 /* Shorten the function call. */
650
651 /* For simplicity of coding, we are going to modify the section
652 contents, the section relocs, and the BFD symbol table. We
653 must tell the rest of the code not to free up this
654 information. It would be possible to instead create a table
655 of changes which have to be made, as is done in coff-mips.c;
656 that would be more work, but would require less memory when
657 the linker is run. */
658
659 elf_section_data (sec)->relocs = internal_relocs;
252b5132 660 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 661 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 662
8c784016 663 /* Replace the jmp/jsr with a bra/bsr. */
252b5132
RH
664
665 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
8c784016 666 replace the jmp/jsr with a bra/bsr. */
252b5132 667 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
668 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
669 here, but that only checks if the symbol is an external symbol,
670 not if the symbol is in a different section. Besides, we need
671 a consistent meaning for the relocation, so we just assume here that
672 the value of the symbol is not available. */
0e71e495
BE
673
674 /* We can't fully resolve this yet, because the external
675 symbol value may be changed by future relaxing. We let
676 the final link phase handle it. */
8c784016
KK
677 if (bfd_get_16 (abfd, contents + irel->r_offset) & 0x0020)
678 bfd_put_16 (abfd, (bfd_vma) 0xa000, contents + irel->r_offset);
679 else
680 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
0e71e495 681
bdfaef52 682 irel->r_addend = -4;
252b5132 683
f725025b
DD
684 /* When we calculated the symbol "value" we had an offset in the
685 DIR32's word in memory (we read and add it above). However,
686 the jsr we create does NOT have this offset encoded, so we
687 have to add it to the addend to preserve it. */
688 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
689
252b5132 690 /* See if there is another R_SH_USES reloc referring to the same
067653c5 691 register load. */
252b5132
RH
692 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
693 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
694 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
695 break;
696 if (irelscan < irelend)
697 {
698 /* Some other function call depends upon this register load,
699 and we have not yet converted that function call.
700 Indeed, we may never be able to convert it. There is
701 nothing else we can do at this point. */
702 continue;
703 }
704
705 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
706 function address is stored. Do this before deleting any
707 bytes, to avoid confusion about the address. */
252b5132
RH
708 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
709 if (irelcount->r_offset == paddr
710 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
711 break;
712
713 /* Delete the register load. */
714 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
715 goto error_return;
716
717 /* That will change things, so, just in case it permits some
067653c5
AM
718 other function call to come within range, we should relax
719 again. Note that this is not required, and it may be slow. */
b34976b6 720 *again = TRUE;
252b5132
RH
721
722 /* Now check whether we got a COUNT reloc. */
723 if (irelcount >= irelend)
724 {
4eca0228 725 _bfd_error_handler
695344c0 726 /* xgettext:c-format */
2dcf00ce
AM
727 (_("%pB: %#" PRIx64 ": warning: "
728 "could not find expected COUNT reloc"),
729 abfd, (uint64_t) paddr);
252b5132
RH
730 continue;
731 }
732
733 /* The number of uses is stored in the r_addend field. We've
067653c5 734 just deleted one. */
252b5132
RH
735 if (irelcount->r_addend == 0)
736 {
695344c0 737 /* xgettext:c-format */
2dcf00ce
AM
738 _bfd_error_handler (_("%pB: %#" PRIx64 ": warning: bad count"),
739 abfd, (uint64_t) paddr);
252b5132
RH
740 continue;
741 }
742
743 --irelcount->r_addend;
744
745 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
746 the address from irelfn, in case it was changed by the
747 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
748 if (irelcount->r_addend == 0)
749 {
750 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
751 goto error_return;
752 }
753
754 /* We've done all we can with that function call. */
755 }
756
757 /* Look for load and store instructions that we can align on four
758 byte boundaries. */
bdfaef52
JR
759 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
760 && have_code)
252b5132 761 {
b34976b6 762 bfd_boolean swapped;
252b5132
RH
763
764 /* Get the section contents. */
765 if (contents == NULL)
766 {
767 if (elf_section_data (sec)->this_hdr.contents != NULL)
768 contents = elf_section_data (sec)->this_hdr.contents;
769 else
770 {
eea6121a 771 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
772 goto error_return;
773 }
774 }
775
776 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
777 &swapped))
778 goto error_return;
779
780 if (swapped)
781 {
782 elf_section_data (sec)->relocs = internal_relocs;
252b5132 783 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 784 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
785 }
786 }
787
6cdc0ccc
AM
788 if (isymbuf != NULL
789 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
790 {
791 if (! link_info->keep_memory)
6cdc0ccc 792 free (isymbuf);
252b5132
RH
793 else
794 {
6cdc0ccc
AM
795 /* Cache the symbols for elf_link_input_bfd. */
796 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 797 }
9ad5cbcf
AM
798 }
799
6cdc0ccc
AM
800 if (contents != NULL
801 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
802 {
803 if (! link_info->keep_memory)
6cdc0ccc
AM
804 free (contents);
805 else
252b5132 806 {
6cdc0ccc
AM
807 /* Cache the section contents for elf_link_input_bfd. */
808 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 809 }
252b5132
RH
810 }
811
c9594989 812 if (elf_section_data (sec)->relocs != internal_relocs)
6cdc0ccc
AM
813 free (internal_relocs);
814
b34976b6 815 return TRUE;
252b5132
RH
816
817 error_return:
c9594989 818 if (symtab_hdr->contents != (unsigned char *) isymbuf)
6cdc0ccc 819 free (isymbuf);
c9594989 820 if (elf_section_data (sec)->this_hdr.contents != contents)
6cdc0ccc 821 free (contents);
c9594989 822 if (elf_section_data (sec)->relocs != internal_relocs)
6cdc0ccc 823 free (internal_relocs);
9ad5cbcf 824
b34976b6 825 return FALSE;
252b5132
RH
826}
827
828/* Delete some bytes from a section while relaxing. FIXME: There is a
829 lot of duplication between this function and sh_relax_delete_bytes
830 in coff-sh.c. */
831
b34976b6 832static bfd_boolean
09fd220b
KK
833sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
834 int count)
252b5132
RH
835{
836 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 837 unsigned int sec_shndx;
252b5132
RH
838 bfd_byte *contents;
839 Elf_Internal_Rela *irel, *irelend;
840 Elf_Internal_Rela *irelalign;
841 bfd_vma toaddr;
6cdc0ccc 842 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
843 struct elf_link_hash_entry **sym_hashes;
844 struct elf_link_hash_entry **end_hashes;
845 unsigned int symcount;
252b5132
RH
846 asection *o;
847
0ffa91dd 848 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 849 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
850
851 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
852
853 contents = elf_section_data (sec)->this_hdr.contents;
854
de194d85 855 /* The deletion must stop at the next ALIGN reloc for an alignment
252b5132
RH
856 power larger than the number of bytes we are deleting. */
857
858 irelalign = NULL;
eea6121a 859 toaddr = sec->size;
252b5132
RH
860
861 irel = elf_section_data (sec)->relocs;
862 irelend = irel + sec->reloc_count;
863 for (; irel < irelend; irel++)
864 {
865 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
866 && irel->r_offset > addr
867 && count < (1 << irel->r_addend))
868 {
869 irelalign = irel;
870 toaddr = irel->r_offset;
871 break;
872 }
873 }
874
875 /* Actually delete the bytes. */
dc810e39
AM
876 memmove (contents + addr, contents + addr + count,
877 (size_t) (toaddr - addr - count));
252b5132 878 if (irelalign == NULL)
eea6121a 879 sec->size -= count;
252b5132
RH
880 else
881 {
882 int i;
883
884#define NOP_OPCODE (0x0009)
885
886 BFD_ASSERT ((count & 1) == 0);
887 for (i = 0; i < count; i += 2)
dc810e39 888 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
889 }
890
891 /* Adjust all the relocs. */
892 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
893 {
894 bfd_vma nraddr, stop;
895 bfd_vma start = 0;
896 int insn = 0;
252b5132
RH
897 int off, adjust, oinsn;
898 bfd_signed_vma voff = 0;
b34976b6 899 bfd_boolean overflow;
252b5132
RH
900
901 /* Get the new reloc address. */
902 nraddr = irel->r_offset;
903 if ((irel->r_offset > addr
904 && irel->r_offset < toaddr)
905 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
906 && irel->r_offset == toaddr))
907 nraddr -= count;
908
909 /* See if this reloc was for the bytes we have deleted, in which
910 case we no longer care about it. Don't delete relocs which
911 represent addresses, though. */
912 if (irel->r_offset >= addr
913 && irel->r_offset < addr + count
914 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
915 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
916 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
917 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
918 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
919 (int) R_SH_NONE);
920
921 /* If this is a PC relative reloc, see if the range it covers
067653c5 922 includes the bytes we have deleted. */
252b5132
RH
923 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
924 {
925 default:
926 break;
927
928 case R_SH_DIR8WPN:
929 case R_SH_IND12W:
930 case R_SH_DIR8WPZ:
931 case R_SH_DIR8WPL:
932 start = irel->r_offset;
933 insn = bfd_get_16 (abfd, contents + nraddr);
934 break;
935 }
936
937 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
938 {
939 default:
940 start = stop = addr;
941 break;
942
943 case R_SH_DIR32:
944 /* If this reloc is against a symbol defined in this
067653c5
AM
945 section, and the symbol will not be adjusted below, we
946 must check the addend to see it will put the value in
947 range to be adjusted, and hence must be changed. */
252b5132
RH
948 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
949 {
6cdc0ccc
AM
950 isym = isymbuf + ELF32_R_SYM (irel->r_info);
951 if (isym->st_shndx == sec_shndx
952 && (isym->st_value <= addr
953 || isym->st_value >= toaddr))
252b5132
RH
954 {
955 bfd_vma val;
956
55e6e397
RS
957 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
958 {
959 val = bfd_get_32 (abfd, contents + nraddr);
960 val += isym->st_value;
961 if (val > addr && val < toaddr)
962 bfd_put_32 (abfd, val - count, contents + nraddr);
963 }
964 else
965 {
966 val = isym->st_value + irel->r_addend;
967 if (val > addr && val < toaddr)
968 irel->r_addend -= count;
969 }
252b5132
RH
970 }
971 }
972 start = stop = addr;
973 break;
974
975 case R_SH_DIR8WPN:
976 off = insn & 0xff;
977 if (off & 0x80)
978 off -= 0x100;
979 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
980 break;
981
982 case R_SH_IND12W:
bdfaef52
JR
983 off = insn & 0xfff;
984 if (! off)
985 {
986 /* This has been made by previous relaxation. Since the
987 relocation will be against an external symbol, the
988 final relocation will just do the right thing. */
989 start = stop = addr;
990 }
252b5132
RH
991 else
992 {
252b5132
RH
993 if (off & 0x800)
994 off -= 0x1000;
995 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
996
997 /* The addend will be against the section symbol, thus
998 for adjusting the addend, the relevant start is the
999 start of the section.
4cc11e76 1000 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1001 test directly using symbol + addend, we have to take into
1002 account that the addend has already been adjusted by -4. */
1003 if (stop > addr && stop < toaddr)
1004 irel->r_addend -= count;
252b5132
RH
1005 }
1006 break;
1007
1008 case R_SH_DIR8WPZ:
1009 off = insn & 0xff;
1010 stop = start + 4 + off * 2;
1011 break;
1012
1013 case R_SH_DIR8WPL:
1014 off = insn & 0xff;
435b1e90 1015 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1016 break;
1017
1018 case R_SH_SWITCH8:
1019 case R_SH_SWITCH16:
1020 case R_SH_SWITCH32:
1021 /* These relocs types represent
1022 .word L2-L1
06e1ba78 1023 The r_addend field holds the difference between the reloc
252b5132
RH
1024 address and L1. That is the start of the reloc, and
1025 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1026 both the r_offset field and the section contents.
1027 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1028 and the elf bfd r_offset is called r_vaddr. */
252b5132 1029
06e1ba78
JR
1030 stop = irel->r_offset;
1031 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1032
1033 if (start > addr
1034 && start < toaddr
1035 && (stop <= addr || stop >= toaddr))
1036 irel->r_addend += count;
1037 else if (stop > addr
1038 && stop < toaddr
1039 && (start <= addr || start >= toaddr))
1040 irel->r_addend -= count;
1041
252b5132
RH
1042 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1043 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1044 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1045 voff = bfd_get_8 (abfd, contents + nraddr);
1046 else
1047 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1048 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1049
1050 break;
1051
1052 case R_SH_USES:
1053 start = irel->r_offset;
1054 stop = (bfd_vma) ((bfd_signed_vma) start
1055 + (long) irel->r_addend
1056 + 4);
1057 break;
1058 }
1059
1060 if (start > addr
1061 && start < toaddr
1062 && (stop <= addr || stop >= toaddr))
1063 adjust = count;
1064 else if (stop > addr
1065 && stop < toaddr
1066 && (start <= addr || start >= toaddr))
1067 adjust = - count;
1068 else
1069 adjust = 0;
1070
1071 if (adjust != 0)
1072 {
1073 oinsn = insn;
b34976b6 1074 overflow = FALSE;
252b5132
RH
1075 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1076 {
1077 default:
1078 abort ();
1079 break;
1080
1081 case R_SH_DIR8WPN:
1082 case R_SH_DIR8WPZ:
1083 insn += adjust / 2;
1084 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1085 overflow = TRUE;
dc810e39 1086 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1087 break;
1088
1089 case R_SH_IND12W:
1090 insn += adjust / 2;
1091 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1092 overflow = TRUE;
dc810e39 1093 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1094 break;
1095
1096 case R_SH_DIR8WPL:
1097 BFD_ASSERT (adjust == count || count >= 4);
1098 if (count >= 4)
1099 insn += adjust / 4;
1100 else
1101 {
1102 if ((irel->r_offset & 3) == 0)
1103 ++insn;
1104 }
1105 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1106 overflow = TRUE;
dc810e39 1107 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1108 break;
1109
851cde10
JR
1110 case R_SH_SWITCH8:
1111 voff += adjust;
1112 if (voff < 0 || voff >= 0xff)
b34976b6 1113 overflow = TRUE;
851cde10
JR
1114 bfd_put_8 (abfd, voff, contents + nraddr);
1115 break;
1116
252b5132
RH
1117 case R_SH_SWITCH16:
1118 voff += adjust;
1119 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1120 overflow = TRUE;
dc810e39 1121 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1122 break;
1123
1124 case R_SH_SWITCH32:
1125 voff += adjust;
dc810e39 1126 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1127 break;
1128
1129 case R_SH_USES:
1130 irel->r_addend += adjust;
1131 break;
1132 }
1133
1134 if (overflow)
1135 {
4eca0228 1136 _bfd_error_handler
695344c0 1137 /* xgettext:c-format */
2dcf00ce
AM
1138 (_("%pB: %#" PRIx64 ": fatal: reloc overflow while relaxing"),
1139 abfd, (uint64_t) irel->r_offset);
252b5132 1140 bfd_set_error (bfd_error_bad_value);
b34976b6 1141 return FALSE;
252b5132
RH
1142 }
1143 }
1144
1145 irel->r_offset = nraddr;
1146 }
1147
1148 /* Look through all the other sections. If there contain any IMM32
1149 relocs against internal symbols which we are not going to adjust
1150 below, we may need to adjust the addends. */
1151 for (o = abfd->sections; o != NULL; o = o->next)
1152 {
1153 Elf_Internal_Rela *internal_relocs;
1154 Elf_Internal_Rela *irelscan, *irelscanend;
1155 bfd_byte *ocontents;
1156
1157 if (o == sec
1158 || (o->flags & SEC_RELOC) == 0
1159 || o->reloc_count == 0)
1160 continue;
1161
1162 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1163 FALSE, we should free them, if we are permitted to, when we
067653c5 1164 leave sh_coff_relax_section. */
45d6a902 1165 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1166 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1167 if (internal_relocs == NULL)
b34976b6 1168 return FALSE;
252b5132
RH
1169
1170 ocontents = NULL;
1171 irelscanend = internal_relocs + o->reloc_count;
1172 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1173 {
084aa3aa
JR
1174 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1175 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1176 {
1177 bfd_vma start, stop;
1178 bfd_signed_vma voff;
1179
1180 if (ocontents == NULL)
1181 {
1182 if (elf_section_data (o)->this_hdr.contents != NULL)
1183 ocontents = elf_section_data (o)->this_hdr.contents;
1184 else
1185 {
1186 /* We always cache the section contents.
b34976b6 1187 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1188 should free them, if we are permitted to,
1189 when we leave sh_coff_relax_section. */
eea6121a
AM
1190 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1191 {
c9594989 1192 free (ocontents);
eea6121a
AM
1193 return FALSE;
1194 }
1195
084aa3aa
JR
1196 elf_section_data (o)->this_hdr.contents = ocontents;
1197 }
1198 }
1199
1200 stop = irelscan->r_offset;
1201 start
1202 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1203
1204 /* STOP is in a different section, so it won't change. */
1205 if (start > addr && start < toaddr)
1206 irelscan->r_addend += count;
1207
1208 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1209 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1210
1211 if (start > addr
1212 && start < toaddr
1213 && (stop <= addr || stop >= toaddr))
dc810e39 1214 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1215 ocontents + irelscan->r_offset);
1216 else if (stop > addr
1217 && stop < toaddr
1218 && (start <= addr || start >= toaddr))
dc810e39 1219 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1220 ocontents + irelscan->r_offset);
1221 }
1222
252b5132
RH
1223 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1224 continue;
1225
1226 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1227 continue;
1228
252b5132 1229
6cdc0ccc
AM
1230 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1231 if (isym->st_shndx == sec_shndx
1232 && (isym->st_value <= addr
1233 || isym->st_value >= toaddr))
252b5132
RH
1234 {
1235 bfd_vma val;
1236
1237 if (ocontents == NULL)
1238 {
1239 if (elf_section_data (o)->this_hdr.contents != NULL)
1240 ocontents = elf_section_data (o)->this_hdr.contents;
1241 else
1242 {
1243 /* We always cache the section contents.
b34976b6 1244 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1245 should free them, if we are permitted to,
1246 when we leave sh_coff_relax_section. */
eea6121a
AM
1247 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1248 {
c9594989 1249 free (ocontents);
eea6121a
AM
1250 return FALSE;
1251 }
1252
252b5132
RH
1253 elf_section_data (o)->this_hdr.contents = ocontents;
1254 }
1255 }
1256
1257 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1258 val += isym->st_value;
252b5132
RH
1259 if (val > addr && val < toaddr)
1260 bfd_put_32 (abfd, val - count,
1261 ocontents + irelscan->r_offset);
1262 }
1263 }
1264 }
1265
1266 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1267 isymend = isymbuf + symtab_hdr->sh_info;
1268 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1269 {
6cdc0ccc
AM
1270 if (isym->st_shndx == sec_shndx
1271 && isym->st_value > addr
1272 && isym->st_value < toaddr)
1273 isym->st_value -= count;
252b5132
RH
1274 }
1275
1276 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1277 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1278 - symtab_hdr->sh_info);
1279 sym_hashes = elf_sym_hashes (abfd);
1280 end_hashes = sym_hashes + symcount;
1281 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1282 {
9ad5cbcf
AM
1283 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1284 if ((sym_hash->root.type == bfd_link_hash_defined
1285 || sym_hash->root.type == bfd_link_hash_defweak)
1286 && sym_hash->root.u.def.section == sec
1287 && sym_hash->root.u.def.value > addr
1288 && sym_hash->root.u.def.value < toaddr)
252b5132 1289 {
9ad5cbcf 1290 sym_hash->root.u.def.value -= count;
252b5132
RH
1291 }
1292 }
1293
1294 /* See if we can move the ALIGN reloc forward. We have adjusted
1295 r_offset for it already. */
1296 if (irelalign != NULL)
1297 {
1298 bfd_vma alignto, alignaddr;
1299
1300 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1301 alignaddr = BFD_ALIGN (irelalign->r_offset,
1302 1 << irelalign->r_addend);
1303 if (alignto != alignaddr)
1304 {
1305 /* Tail recursion. */
1306 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1307 (int) (alignto - alignaddr));
252b5132
RH
1308 }
1309 }
1310
b34976b6 1311 return TRUE;
252b5132
RH
1312}
1313
1314/* Look for loads and stores which we can align to four byte
1315 boundaries. This is like sh_align_loads in coff-sh.c. */
1316
b34976b6 1317static bfd_boolean
09fd220b
KK
1318sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1319 Elf_Internal_Rela *internal_relocs,
1320 bfd_byte *contents ATTRIBUTE_UNUSED,
1321 bfd_boolean *pswapped)
252b5132
RH
1322{
1323 Elf_Internal_Rela *irel, *irelend;
1324 bfd_vma *labels = NULL;
1325 bfd_vma *label, *label_end;
dc810e39 1326 bfd_size_type amt;
252b5132 1327
b34976b6 1328 *pswapped = FALSE;
252b5132
RH
1329
1330 irelend = internal_relocs + sec->reloc_count;
1331
1332 /* Get all the addresses with labels on them. */
dc810e39
AM
1333 amt = sec->reloc_count;
1334 amt *= sizeof (bfd_vma);
1335 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1336 if (labels == NULL)
1337 goto error_return;
1338 label_end = labels;
1339 for (irel = internal_relocs; irel < irelend; irel++)
1340 {
1341 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1342 {
1343 *label_end = irel->r_offset;
1344 ++label_end;
1345 }
1346 }
1347
1348 /* Note that the assembler currently always outputs relocs in
1349 address order. If that ever changes, this code will need to sort
1350 the label values and the relocs. */
1351
1352 label = labels;
1353
1354 for (irel = internal_relocs; irel < irelend; irel++)
1355 {
1356 bfd_vma start, stop;
1357
1358 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1359 continue;
1360
1361 start = irel->r_offset;
1362
1363 for (irel++; irel < irelend; irel++)
1364 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1365 break;
1366 if (irel < irelend)
1367 stop = irel->r_offset;
1368 else
eea6121a 1369 stop = sec->size;
252b5132
RH
1370
1371 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1372 internal_relocs, &label,
252b5132
RH
1373 label_end, start, stop, pswapped))
1374 goto error_return;
1375 }
1376
1377 free (labels);
1378
b34976b6 1379 return TRUE;
252b5132
RH
1380
1381 error_return:
c9594989 1382 free (labels);
b34976b6 1383 return FALSE;
252b5132
RH
1384}
1385
1386/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1387
b34976b6 1388static bfd_boolean
09fd220b
KK
1389sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1390 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1391{
1392 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1393 unsigned short i1, i2;
1394 Elf_Internal_Rela *irel, *irelend;
1395
1396 /* Swap the instructions themselves. */
1397 i1 = bfd_get_16 (abfd, contents + addr);
1398 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1399 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1400 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1401
1402 /* Adjust all reloc addresses. */
1403 irelend = internal_relocs + sec->reloc_count;
1404 for (irel = internal_relocs; irel < irelend; irel++)
1405 {
1406 enum elf_sh_reloc_type type;
1407 int add;
1408
1409 /* There are a few special types of relocs that we don't want to
067653c5
AM
1410 adjust. These relocs do not apply to the instruction itself,
1411 but are only associated with the address. */
252b5132
RH
1412 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1413 if (type == R_SH_ALIGN
1414 || type == R_SH_CODE
1415 || type == R_SH_DATA
1416 || type == R_SH_LABEL)
1417 continue;
1418
1419 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1420 swapped, we must adjust it. It would be incorrect to do this
1421 for a jump, though, since we want to execute both
1422 instructions after the jump. (We have avoided swapping
1423 around a label, so the jump will not wind up executing an
1424 instruction it shouldn't). */
252b5132
RH
1425 if (type == R_SH_USES)
1426 {
1427 bfd_vma off;
1428
1429 off = irel->r_offset + 4 + irel->r_addend;
1430 if (off == addr)
1431 irel->r_offset += 2;
1432 else if (off == addr + 2)
1433 irel->r_offset -= 2;
1434 }
1435
1436 if (irel->r_offset == addr)
1437 {
1438 irel->r_offset += 2;
1439 add = -2;
1440 }
1441 else if (irel->r_offset == addr + 2)
1442 {
1443 irel->r_offset -= 2;
1444 add = 2;
1445 }
1446 else
1447 add = 0;
1448
1449 if (add != 0)
1450 {
1451 bfd_byte *loc;
1452 unsigned short insn, oinsn;
b34976b6 1453 bfd_boolean overflow;
252b5132
RH
1454
1455 loc = contents + irel->r_offset;
b34976b6 1456 overflow = FALSE;
252b5132
RH
1457 switch (type)
1458 {
1459 default:
1460 break;
1461
1462 case R_SH_DIR8WPN:
1463 case R_SH_DIR8WPZ:
1464 insn = bfd_get_16 (abfd, loc);
1465 oinsn = insn;
1466 insn += add / 2;
1467 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1468 overflow = TRUE;
dc810e39 1469 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1470 break;
1471
1472 case R_SH_IND12W:
1473 insn = bfd_get_16 (abfd, loc);
1474 oinsn = insn;
1475 insn += add / 2;
1476 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1477 overflow = TRUE;
dc810e39 1478 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1479 break;
1480
1481 case R_SH_DIR8WPL:
1482 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1483 the program counter before adding in the offset.
1484 This means that if ADDR is at an even address, the
1485 swap will not affect the offset. If ADDR is an at an
1486 odd address, then the instruction will be crossing a
1487 four byte boundary, and must be adjusted. */
252b5132
RH
1488 if ((addr & 3) != 0)
1489 {
1490 insn = bfd_get_16 (abfd, loc);
1491 oinsn = insn;
1492 insn += add / 2;
1493 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1494 overflow = TRUE;
dc810e39 1495 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1496 }
1497
1498 break;
1499 }
1500
1501 if (overflow)
1502 {
4eca0228 1503 _bfd_error_handler
695344c0 1504 /* xgettext:c-format */
2dcf00ce
AM
1505 (_("%pB: %#" PRIx64 ": fatal: reloc overflow while relaxing"),
1506 abfd, (uint64_t) irel->r_offset);
252b5132 1507 bfd_set_error (bfd_error_bad_value);
b34976b6 1508 return FALSE;
252b5132
RH
1509 }
1510 }
1511 }
1512
b34976b6 1513 return TRUE;
252b5132
RH
1514}
1515\f
55e6e397
RS
1516/* Describes one of the various PLT styles. */
1517
1518struct elf_sh_plt_info
1519{
1520 /* The template for the first PLT entry, or NULL if there is no special
1521 first entry. */
1522 const bfd_byte *plt0_entry;
1523
1524 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1525 bfd_vma plt0_entry_size;
1526
1527 /* Index I is the offset into PLT0_ENTRY of a pointer to
1528 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1529 if there is no such pointer. */
1530 bfd_vma plt0_got_fields[3];
1531
1532 /* The template for a symbol's PLT entry. */
1533 const bfd_byte *symbol_entry;
1534
1535 /* The size of SYMBOL_ENTRY in bytes. */
1536 bfd_vma symbol_entry_size;
1537
1538 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1539 on all targets. The comments by each member indicate the value
1540 that the field must hold. */
1541 struct {
1542 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1543 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1544 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
8e45593f
NC
1545 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1546 instruction (instead of a constant pool
1547 entry). */
55e6e397
RS
1548 } symbol_fields;
1549
1550 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1551 bfd_vma symbol_resolve_offset;
8e45593f
NC
1552
1553 /* A different PLT layout which can be used for the first
1554 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1555 other cases. */
1556 const struct elf_sh_plt_info *short_plt;
55e6e397
RS
1557};
1558
37c644f2 1559/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1560
55e6e397 1561#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1562
1563/* First entry in an absolute procedure linkage table look like this. */
1564
6c426cf3 1565/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1566 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1567 corrupted here. This does mean however, that this PLT does not conform
1568 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1569 and r2 contains the GOT id. This version stores the GOT id in r0 and
1570 ignores the type. Loaders can easily detect this difference however,
1571 since the type will always be 0 or 8, and the GOT ids will always be
1572 greater than or equal to 12. */
55e6e397 1573static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1574{
1575 0xd0, 0x05, /* mov.l 2f,r0 */
1576 0x60, 0x02, /* mov.l @r0,r0 */
1577 0x2f, 0x06, /* mov.l r0,@-r15 */
1578 0xd0, 0x03, /* mov.l 1f,r0 */
1579 0x60, 0x02, /* mov.l @r0,r0 */
1580 0x40, 0x2b, /* jmp @r0 */
1581 0x60, 0xf6, /* mov.l @r15+,r0 */
1582 0x00, 0x09, /* nop */
1583 0x00, 0x09, /* nop */
1584 0x00, 0x09, /* nop */
1585 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1586 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1587};
1588
55e6e397 1589static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1590{
1591 0x05, 0xd0, /* mov.l 2f,r0 */
1592 0x02, 0x60, /* mov.l @r0,r0 */
1593 0x06, 0x2f, /* mov.l r0,@-r15 */
1594 0x03, 0xd0, /* mov.l 1f,r0 */
1595 0x02, 0x60, /* mov.l @r0,r0 */
1596 0x2b, 0x40, /* jmp @r0 */
1597 0xf6, 0x60, /* mov.l @r15+,r0 */
1598 0x09, 0x00, /* nop */
1599 0x09, 0x00, /* nop */
1600 0x09, 0x00, /* nop */
1601 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1602 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1603};
1604
1605/* Sebsequent entries in an absolute procedure linkage table look like
1606 this. */
1607
55e6e397 1608static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1609{
1610 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1611 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1612 0xd1, 0x02, /* mov.l 0f,r1 */
1613 0x40, 0x2b, /* jmp @r0 */
1614 0x60, 0x13, /* mov r1,r0 */
1615 0xd1, 0x03, /* mov.l 2f,r1 */
1616 0x40, 0x2b, /* jmp @r0 */
1617 0x00, 0x09, /* nop */
1618 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1619 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1620 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1621};
1622
55e6e397 1623static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1624{
1625 0x04, 0xd0, /* mov.l 1f,r0 */
1626 0x02, 0x60, /* mov.l @r0,r0 */
1627 0x02, 0xd1, /* mov.l 0f,r1 */
1628 0x2b, 0x40, /* jmp @r0 */
1629 0x13, 0x60, /* mov r1,r0 */
1630 0x03, 0xd1, /* mov.l 2f,r1 */
1631 0x2b, 0x40, /* jmp @r0 */
1632 0x09, 0x00, /* nop */
1633 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1634 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1635 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1636};
1637
1638/* Entries in a PIC procedure linkage table look like this. */
1639
55e6e397 1640static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1641{
1642 0xd0, 0x04, /* mov.l 1f,r0 */
1643 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1644 0x40, 0x2b, /* jmp @r0 */
1645 0x00, 0x09, /* nop */
1646 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1647 0xd1, 0x03, /* mov.l 2f,r1 */
1648 0x40, 0x2b, /* jmp @r0 */
1649 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1650 0x00, 0x09, /* nop */
1651 0x00, 0x09, /* nop */
1652 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1653 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1654};
1655
55e6e397 1656static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1657{
1658 0x04, 0xd0, /* mov.l 1f,r0 */
1659 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1660 0x2b, 0x40, /* jmp @r0 */
1661 0x09, 0x00, /* nop */
1662 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1663 0x03, 0xd1, /* mov.l 2f,r1 */
1664 0x2b, 0x40, /* jmp @r0 */
1665 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1666 0x09, 0x00, /* nop */
1667 0x09, 0x00, /* nop */
1668 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1669 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1670};
1671
55e6e397
RS
1672static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1673 {
1674 {
1675 /* Big-endian non-PIC. */
1676 elf_sh_plt0_entry_be,
1677 ELF_PLT_ENTRY_SIZE,
1678 { MINUS_ONE, 24, 20 },
1679 elf_sh_plt_entry_be,
1680 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1681 { 20, 16, 24, FALSE },
1682 8,
1683 NULL
55e6e397
RS
1684 },
1685 {
1686 /* Little-endian non-PIC. */
1687 elf_sh_plt0_entry_le,
1688 ELF_PLT_ENTRY_SIZE,
1689 { MINUS_ONE, 24, 20 },
1690 elf_sh_plt_entry_le,
1691 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1692 { 20, 16, 24, FALSE },
1693 8,
1694 NULL
55e6e397
RS
1695 },
1696 },
1697 {
1698 {
1699 /* Big-endian PIC. */
1700 elf_sh_plt0_entry_be,
1701 ELF_PLT_ENTRY_SIZE,
1702 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1703 elf_sh_pic_plt_entry_be,
1704 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1705 { 20, MINUS_ONE, 24, FALSE },
1706 8,
1707 NULL
55e6e397
RS
1708 },
1709 {
1710 /* Little-endian PIC. */
1711 elf_sh_plt0_entry_le,
1712 ELF_PLT_ENTRY_SIZE,
1713 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1714 elf_sh_pic_plt_entry_le,
1715 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1716 { 20, MINUS_ONE, 24, FALSE },
1717 8,
1718 NULL
55e6e397
RS
1719 },
1720 }
1721};
252b5132 1722
55e6e397
RS
1723#define VXWORKS_PLT_HEADER_SIZE 12
1724#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 1725
55e6e397
RS
1726static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1727{
1728 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1729 0x61, 0x12, /* mov.l @r1,r1 */
1730 0x41, 0x2b, /* jmp @r1 */
1731 0x00, 0x09, /* nop */
1732 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1733};
252b5132 1734
55e6e397
RS
1735static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1736{
1737 0x01, 0xd1, /* mov.l @(8,pc),r1 */
1738 0x12, 0x61, /* mov.l @r1,r1 */
1739 0x2b, 0x41, /* jmp @r1 */
1740 0x09, 0x00, /* nop */
1741 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1742};
1743
1744static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1745{
1746 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1747 0x60, 0x02, /* mov.l @r0,r0 */
1748 0x40, 0x2b, /* jmp @r0 */
1749 0x00, 0x09, /* nop */
1750 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1751 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1752 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
1753 0x00, 0x09, /* nop */
1754 0x00, 0x09, /* nop */
1755 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1756};
1757
1758static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1759{
1760 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1761 0x02, 0x60, /* mov.l @r0,r0 */
1762 0x2b, 0x40, /* jmp @r0 */
1763 0x09, 0x00, /* nop */
1764 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1765 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1766 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
1767 0x09, 0x00, /* nop */
1768 0x09, 0x00, /* nop */
1769 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1770};
1771
1772static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1773{
1774 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1775 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1776 0x40, 0x2b, /* jmp @r0 */
1777 0x00, 0x09, /* nop */
1778 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
1779 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1780 0x51, 0xc2, /* mov.l @(8,r12),r1 */
1781 0x41, 0x2b, /* jmp @r1 */
1782 0x00, 0x09, /* nop */
1783 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1784};
1785
1786static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1787{
1788 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1789 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1790 0x2b, 0x40, /* jmp @r0 */
1791 0x09, 0x00, /* nop */
1792 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
1793 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1794 0xc2, 0x51, /* mov.l @(8,r12),r1 */
1795 0x2b, 0x41, /* jmp @r1 */
1796 0x09, 0x00, /* nop */
1797 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1798};
1799
1800static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
1801 {
1802 {
1803 /* Big-endian non-PIC. */
1804 vxworks_sh_plt0_entry_be,
1805 VXWORKS_PLT_HEADER_SIZE,
1806 { MINUS_ONE, MINUS_ONE, 8 },
1807 vxworks_sh_plt_entry_be,
1808 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1809 { 8, 14, 20, FALSE },
1810 12,
1811 NULL
55e6e397
RS
1812 },
1813 {
1814 /* Little-endian non-PIC. */
1815 vxworks_sh_plt0_entry_le,
1816 VXWORKS_PLT_HEADER_SIZE,
1817 { MINUS_ONE, MINUS_ONE, 8 },
1818 vxworks_sh_plt_entry_le,
1819 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1820 { 8, 14, 20, FALSE },
1821 12,
1822 NULL
55e6e397
RS
1823 },
1824 },
1825 {
1826 {
1827 /* Big-endian PIC. */
1828 NULL,
1829 0,
1830 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1831 vxworks_sh_pic_plt_entry_be,
1832 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1833 { 8, MINUS_ONE, 20, FALSE },
1834 12,
1835 NULL
55e6e397
RS
1836 },
1837 {
1838 /* Little-endian PIC. */
1839 NULL,
1840 0,
1841 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1842 vxworks_sh_pic_plt_entry_le,
1843 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
1844 { 8, MINUS_ONE, 20, FALSE },
1845 12,
1846 NULL
55e6e397
RS
1847 },
1848 }
1849};
9bdafcce 1850
8e45593f
NC
1851/* FDPIC PLT entries. Two unimplemented optimizations for lazy
1852 binding are to omit the lazy binding stub when linking with -z now
1853 and to move lazy binding stubs into a separate region for better
1854 cache behavior. */
1855
1856#define FDPIC_PLT_ENTRY_SIZE 28
1857#define FDPIC_PLT_LAZY_OFFSET 20
1858
1859/* FIXME: The lazy binding stub requires a plt0 - which may need to be
1860 duplicated if it is out of range, or which can be inlined. So
1861 right now it is always inlined, which wastes a word per stub. It
1862 might be easier to handle the duplication if we put the lazy
1863 stubs separately. */
1864
1865static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
1866{
1867 0xd0, 0x02, /* mov.l @(12,pc),r0 */
1868 0x01, 0xce, /* mov.l @(r0,r12),r1 */
1869 0x70, 0x04, /* add #4, r0 */
1870 0x41, 0x2b, /* jmp @r1 */
1871 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
1872 0x00, 0x09, /* nop */
1873 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
1874 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1875 0x60, 0xc2, /* mov.l @r12,r0 */
1876 0x40, 0x2b, /* jmp @r0 */
1877 0x53, 0xc1, /* mov.l @(4,r12),r3 */
1878 0x00, 0x09, /* nop */
1879};
1880
1881static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
1882{
1883 0x02, 0xd0, /* mov.l @(12,pc),r0 */
1884 0xce, 0x01, /* mov.l @(r0,r12),r1 */
1885 0x04, 0x70, /* add #4, r0 */
1886 0x2b, 0x41, /* jmp @r1 */
1887 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
1888 0x09, 0x00, /* nop */
1889 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
1890 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1891 0xc2, 0x60, /* mov.l @r12,r0 */
1892 0x2b, 0x40, /* jmp @r0 */
1893 0xc1, 0x53, /* mov.l @(4,r12),r3 */
1894 0x09, 0x00, /* nop */
1895};
1896
1897static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
1898 {
1899 /* Big-endian PIC. */
1900 NULL,
1901 0,
1902 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1903 fdpic_sh_plt_entry_be,
1904 FDPIC_PLT_ENTRY_SIZE,
1905 { 12, MINUS_ONE, 16, FALSE },
1906 FDPIC_PLT_LAZY_OFFSET,
1907 NULL
1908 },
1909 {
1910 /* Little-endian PIC. */
1911 NULL,
1912 0,
1913 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1914 fdpic_sh_plt_entry_le,
1915 FDPIC_PLT_ENTRY_SIZE,
1916 { 12, MINUS_ONE, 16, FALSE },
1917 FDPIC_PLT_LAZY_OFFSET,
1918 NULL
1919 },
1920};
1921
1922/* On SH2A, we can use the movi20 instruction to generate shorter PLT
1923 entries for the first 64K slots. We use the normal FDPIC PLT entry
1924 past that point; we could also use movi20s, which might be faster,
1925 but would not be any smaller. */
1926
1927#define FDPIC_SH2A_PLT_ENTRY_SIZE 24
1928#define FDPIC_SH2A_PLT_LAZY_OFFSET 16
1929
1930static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
1931{
1932 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
1933 0x01, 0xce, /* mov.l @(r0,r12),r1 */
1934 0x70, 0x04, /* add #4, r0 */
1935 0x41, 0x2b, /* jmp @r1 */
1936 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
1937 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1938 0x60, 0xc2, /* mov.l @r12,r0 */
1939 0x40, 0x2b, /* jmp @r0 */
1940 0x53, 0xc1, /* mov.l @(4,r12),r3 */
1941 0x00, 0x09, /* nop */
1942};
1943
1944static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
1945{
1946 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
1947 0xce, 0x01, /* mov.l @(r0,r12),r1 */
1948 0x04, 0x70, /* add #4, r0 */
1949 0x2b, 0x41, /* jmp @r1 */
1950 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
1951 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1952 0xc2, 0x60, /* mov.l @r12,r0 */
1953 0x2b, 0x40, /* jmp @r0 */
1954 0xc1, 0x53, /* mov.l @(4,r12),r3 */
1955 0x09, 0x00, /* nop */
1956};
1957
1958static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
1959 /* Big-endian FDPIC, max index 64K. */
1960 NULL,
1961 0,
1962 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1963 fdpic_sh2a_plt_entry_be,
1964 FDPIC_SH2A_PLT_ENTRY_SIZE,
1965 { 0, MINUS_ONE, 12, TRUE },
1966 FDPIC_SH2A_PLT_LAZY_OFFSET,
1967 NULL
1968};
1969
1970static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
1971 /* Little-endian FDPIC, max index 64K. */
1972 NULL,
1973 0,
1974 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1975 fdpic_sh2a_plt_entry_le,
1976 FDPIC_SH2A_PLT_ENTRY_SIZE,
1977 { 0, MINUS_ONE, 12, TRUE },
1978 FDPIC_SH2A_PLT_LAZY_OFFSET,
1979 NULL
1980};
1981
1982static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
1983 {
1984 /* Big-endian PIC. */
1985 NULL,
1986 0,
1987 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1988 fdpic_sh_plt_entry_be,
1989 FDPIC_PLT_ENTRY_SIZE,
1990 { 12, MINUS_ONE, 16, FALSE },
1991 FDPIC_PLT_LAZY_OFFSET,
1992 &fdpic_sh2a_short_plt_be
1993 },
1994 {
1995 /* Little-endian PIC. */
1996 NULL,
1997 0,
1998 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1999 fdpic_sh_plt_entry_le,
2000 FDPIC_PLT_ENTRY_SIZE,
2001 { 12, MINUS_ONE, 16, FALSE },
2002 FDPIC_PLT_LAZY_OFFSET,
2003 &fdpic_sh2a_short_plt_le
2004 },
2005};
2006
55e6e397
RS
2007/* Return the type of PLT associated with ABFD. PIC_P is true if
2008 the object is position-independent. */
9bdafcce 2009
55e6e397 2010static const struct elf_sh_plt_info *
8e45593f 2011get_plt_info (bfd *abfd, bfd_boolean pic_p)
55e6e397 2012{
8e45593f
NC
2013 if (fdpic_object_p (abfd))
2014 {
2015 /* If any input file requires SH2A we can use a shorter PLT
2016 sequence. */
2017 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2018 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2019 else
2020 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2021 }
55e6e397
RS
2022 if (vxworks_object_p (abfd))
2023 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2024 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2025}
9bdafcce 2026
55e6e397
RS
2027/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2028 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2029 not data. */
9bdafcce 2030
55e6e397
RS
2031inline static void
2032install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2033 unsigned long value, bfd_byte *addr)
2034{
2035 bfd_put_32 (output_bfd, value, addr);
2036}
015551fc 2037
8e45593f
NC
2038/* The number of PLT entries which can use a shorter PLT, if any.
2039 Currently always 64K, since only SH-2A FDPIC uses this; a
2040 20-bit movi20 can address that many function descriptors below
2041 _GLOBAL_OFFSET_TABLE_. */
2042#define MAX_SHORT_PLT 65536
2043
55e6e397
RS
2044/* Return the index of the PLT entry at byte offset OFFSET. */
2045
2046static bfd_vma
2047get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2048{
8e45593f
NC
2049 bfd_vma plt_index = 0;
2050
2051 offset -= info->plt0_entry_size;
2052 if (info->short_plt != NULL)
2053 {
2054 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2055 {
2056 plt_index = MAX_SHORT_PLT;
2057 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2058 }
2059 else
2060 info = info->short_plt;
2061 }
2062 return plt_index + offset / info->symbol_entry_size;
55e6e397
RS
2063}
2064
2065/* Do the inverse operation. */
2066
2067static bfd_vma
91d6fa6a 2068get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
55e6e397 2069{
8e45593f
NC
2070 bfd_vma offset = 0;
2071
2072 if (info->short_plt != NULL)
2073 {
2074 if (plt_index > MAX_SHORT_PLT)
2075 {
2076 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2077 plt_index -= MAX_SHORT_PLT;
2078 }
2079 else
2080 info = info->short_plt;
2081 }
2082 return (offset + info->plt0_entry_size
2083 + (plt_index * info->symbol_entry_size));
55e6e397
RS
2084}
2085
8e45593f
NC
2086union gotref
2087{
2088 bfd_signed_vma refcount;
2089 bfd_vma offset;
2090};
2091
37c644f2
AO
2092/* sh ELF linker hash entry. */
2093
38b1a46c
NC
2094struct elf_sh_link_hash_entry
2095{
37c644f2
AO
2096 struct elf_link_hash_entry root;
2097
4989d792 2098 bfd_signed_vma gotplt_refcount;
3376eaf5 2099
8e45593f
NC
2100 /* A local function descriptor, for FDPIC. The refcount counts
2101 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2102 relocations; the PLT and GOT entry are accounted
2103 for separately. After adjust_dynamic_symbol, the offset is
2104 MINUS_ONE if there is no local descriptor (dynamic linker
2105 managed and no PLT entry, or undefined weak non-dynamic).
2106 During check_relocs we do not yet know whether the local
2107 descriptor will be canonical. */
2108 union gotref funcdesc;
2109
2110 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2111 and thus require fixups or relocations. */
2112 bfd_signed_vma abs_funcdesc_refcount;
2113
85e02784 2114 enum got_type {
8e45593f
NC
2115 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2116 } got_type;
3376eaf5
KK
2117};
2118
2119#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2120
2121struct sh_elf_obj_tdata
2122{
2123 struct elf_obj_tdata root;
2124
8e45593f
NC
2125 /* got_type for each local got entry. */
2126 char *local_got_type;
2127
2128 /* Function descriptor refcount and offset for each local symbol. */
2129 union gotref *local_funcdesc;
37c644f2
AO
2130};
2131
3376eaf5
KK
2132#define sh_elf_tdata(abfd) \
2133 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2134
8e45593f
NC
2135#define sh_elf_local_got_type(abfd) \
2136 (sh_elf_tdata (abfd)->local_got_type)
2137
2138#define sh_elf_local_funcdesc(abfd) \
2139 (sh_elf_tdata (abfd)->local_funcdesc)
3376eaf5 2140
0ffa91dd
NC
2141#define is_sh_elf(bfd) \
2142 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2143 && elf_tdata (bfd) != NULL \
4dfe6ac6 2144 && elf_object_id (bfd) == SH_ELF_DATA)
0ffa91dd 2145
3376eaf5
KK
2146/* Override the generic function because we need to store sh_elf_obj_tdata
2147 as the specific tdata. */
2148
b34976b6 2149static bfd_boolean
09fd220b 2150sh_elf_mkobject (bfd *abfd)
3376eaf5 2151{
0ffa91dd 2152 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
4dfe6ac6 2153 SH_ELF_DATA);
3376eaf5 2154}
b34976b6 2155
37c644f2
AO
2156/* sh ELF linker hash table. */
2157
38b1a46c
NC
2158struct elf_sh_link_hash_table
2159{
37c644f2 2160 struct elf_link_hash_table root;
37c644f2 2161
067653c5 2162 /* Short-cuts to get to dynamic linker sections. */
067653c5
AM
2163 asection *sdynbss;
2164 asection *srelbss;
8e45593f
NC
2165 asection *sfuncdesc;
2166 asection *srelfuncdesc;
2167 asection *srofixup;
37c644f2 2168
55e6e397
RS
2169 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2170 asection *srelplt2;
2171
87d72d41
AM
2172 /* Small local sym cache. */
2173 struct sym_cache sym_cache;
3376eaf5
KK
2174
2175 /* A counter or offset to track a TLS got entry. */
2176 union
2177 {
2178 bfd_signed_vma refcount;
2179 bfd_vma offset;
2180 } tls_ldm_got;
55e6e397
RS
2181
2182 /* The type of PLT to use. */
2183 const struct elf_sh_plt_info *plt_info;
2184
8e45593f
NC
2185 /* True if the target system uses FDPIC. */
2186 bfd_boolean fdpic_p;
067653c5 2187};
37c644f2
AO
2188
2189/* Traverse an sh ELF linker hash table. */
2190
2191#define sh_elf_link_hash_traverse(table, func, info) \
2192 (elf_link_hash_traverse \
2193 (&(table)->root, \
09fd220b 2194 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2195 (info)))
2196
2197/* Get the sh ELF linker hash table from a link_info structure. */
2198
2199#define sh_elf_hash_table(p) \
4dfe6ac6
NC
2200 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2201 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
37c644f2
AO
2202
2203/* Create an entry in an sh ELF linker hash table. */
2204
2205static struct bfd_hash_entry *
09fd220b
KK
2206sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2207 struct bfd_hash_table *table,
2208 const char *string)
37c644f2
AO
2209{
2210 struct elf_sh_link_hash_entry *ret =
2211 (struct elf_sh_link_hash_entry *) entry;
2212
2213 /* Allocate the structure if it has not already been allocated by a
2214 subclass. */
2215 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2216 ret = ((struct elf_sh_link_hash_entry *)
2217 bfd_hash_allocate (table,
2218 sizeof (struct elf_sh_link_hash_entry)));
2219 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2220 return (struct bfd_hash_entry *) ret;
2221
2222 /* Call the allocation method of the superclass. */
2223 ret = ((struct elf_sh_link_hash_entry *)
2224 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2225 table, string));
2226 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2227 {
396a6083 2228 ret->gotplt_refcount = 0;
8e45593f
NC
2229 ret->funcdesc.refcount = 0;
2230 ret->abs_funcdesc_refcount = 0;
2231 ret->got_type = GOT_UNKNOWN;
37c644f2
AO
2232 }
2233
2234 return (struct bfd_hash_entry *) ret;
2235}
2236
2237/* Create an sh ELF linker hash table. */
2238
2239static struct bfd_link_hash_table *
09fd220b 2240sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2241{
2242 struct elf_sh_link_hash_table *ret;
986f0783 2243 size_t amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2244
0e5de31a 2245 ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt);
37c644f2
AO
2246 if (ret == (struct elf_sh_link_hash_table *) NULL)
2247 return NULL;
2248
66eb6687
AM
2249 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2250 sh_elf_link_hash_newfunc,
4dfe6ac6
NC
2251 sizeof (struct elf_sh_link_hash_entry),
2252 SH_ELF_DATA))
37c644f2 2253 {
e2d34d7d 2254 free (ret);
37c644f2
AO
2255 return NULL;
2256 }
2257
8e45593f 2258 ret->fdpic_p = fdpic_object_p (abfd);
067653c5 2259
37c644f2
AO
2260 return &ret->root.root;
2261}
2262
8e45593f
NC
2263static bfd_boolean
2264sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2265 struct bfd_link_info *info, asection *p)
2266{
2267 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2268
2269 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2270 if (!htab->fdpic_p)
2271 return TRUE;
2272
2273 /* We need dynamic symbols for every section, since segments can
2274 relocate independently. */
2275 switch (elf_section_data (p)->this_hdr.sh_type)
2276 {
2277 case SHT_PROGBITS:
2278 case SHT_NOBITS:
2279 /* If sh_type is yet undecided, assume it could be
2280 SHT_PROGBITS/SHT_NOBITS. */
2281 case SHT_NULL:
2282 return FALSE;
2283
2284 /* There shouldn't be section relative relocations
2285 against any other section. */
2286 default:
2287 return TRUE;
2288 }
2289}
2290
067653c5
AM
2291/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2292 shortcuts to them in our hash table. */
2293
b34976b6 2294static bfd_boolean
09fd220b 2295create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2296{
2297 struct elf_sh_link_hash_table *htab;
2298
2299 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2300 return FALSE;
067653c5
AM
2301
2302 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2303 if (htab == NULL)
2304 return FALSE;
2305
3d4d4302
AM
2306 htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
2307 (SEC_ALLOC | SEC_LOAD
2308 | SEC_HAS_CONTENTS
2309 | SEC_IN_MEMORY
2310 | SEC_LINKER_CREATED));
8e45593f 2311 if (htab->sfuncdesc == NULL
fd361982 2312 || !bfd_set_section_alignment (htab->sfuncdesc, 2))
8e45593f
NC
2313 return FALSE;
2314
3d4d4302
AM
2315 htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
2316 ".rela.got.funcdesc",
2317 (SEC_ALLOC | SEC_LOAD
2318 | SEC_HAS_CONTENTS
2319 | SEC_IN_MEMORY
2320 | SEC_LINKER_CREATED
2321 | SEC_READONLY));
8e45593f 2322 if (htab->srelfuncdesc == NULL
fd361982 2323 || !bfd_set_section_alignment (htab->srelfuncdesc, 2))
8e45593f
NC
2324 return FALSE;
2325
2326 /* Also create .rofixup. */
3d4d4302
AM
2327 htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
2328 (SEC_ALLOC | SEC_LOAD
2329 | SEC_HAS_CONTENTS
2330 | SEC_IN_MEMORY
2331 | SEC_LINKER_CREATED
2332 | SEC_READONLY));
8e45593f 2333 if (htab->srofixup == NULL
fd361982 2334 || !bfd_set_section_alignment (htab->srofixup, 2))
8e45593f
NC
2335 return FALSE;
2336
b34976b6 2337 return TRUE;
067653c5
AM
2338}
2339
37c644f2
AO
2340/* Create dynamic sections when linking against a dynamic object. */
2341
b34976b6 2342static bfd_boolean
09fd220b 2343sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2344{
067653c5 2345 struct elf_sh_link_hash_table *htab;
37c644f2 2346 flagword flags, pltflags;
91d6fa6a 2347 asection *s;
9c5bfbb7 2348 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2349 int ptralign = 0;
2350
2351 switch (bed->s->arch_size)
2352 {
2353 case 32:
2354 ptralign = 2;
2355 break;
2356
2357 case 64:
2358 ptralign = 3;
2359 break;
2360
2361 default:
2362 bfd_set_error (bfd_error_bad_value);
b34976b6 2363 return FALSE;
37c644f2
AO
2364 }
2365
067653c5 2366 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2367 if (htab == NULL)
2368 return FALSE;
2369
35cad4c4
KK
2370 if (htab->root.dynamic_sections_created)
2371 return TRUE;
067653c5 2372
37c644f2
AO
2373 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2374 .rel[a].bss sections. */
2375
2376 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2377 | SEC_LINKER_CREATED);
2378
2379 pltflags = flags;
2380 pltflags |= SEC_CODE;
2381 if (bed->plt_not_loaded)
2382 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2383 if (bed->plt_readonly)
2384 pltflags |= SEC_READONLY;
2385
3d4d4302 2386 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
ce558b89 2387 htab->root.splt = s;
35cad4c4 2388 if (s == NULL
fd361982 2389 || !bfd_set_section_alignment (s, bed->plt_alignment))
35cad4c4 2390 return FALSE;
37c644f2
AO
2391
2392 if (bed->want_plt_sym)
2393 {
2394 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2395 .plt section. */
14a793b2
AM
2396 struct elf_link_hash_entry *h;
2397 struct bfd_link_hash_entry *bh = NULL;
2398
37c644f2
AO
2399 if (! (_bfd_generic_link_add_one_symbol
2400 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2401 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2402 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2403 return FALSE;
14a793b2
AM
2404
2405 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2406 h->def_regular = 1;
37c644f2 2407 h->type = STT_OBJECT;
7325306f 2408 htab->root.hplt = h;
37c644f2 2409
0e1862bb 2410 if (bfd_link_pic (info)
c152c796 2411 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2412 return FALSE;
37c644f2
AO
2413 }
2414
3d4d4302
AM
2415 s = bfd_make_section_anyway_with_flags (abfd,
2416 bed->default_use_rela_p
2417 ? ".rela.plt" : ".rel.plt",
2418 flags | SEC_READONLY);
ce558b89 2419 htab->root.srelplt = s;
35cad4c4 2420 if (s == NULL
fd361982 2421 || !bfd_set_section_alignment (s, ptralign))
35cad4c4 2422 return FALSE;
37c644f2 2423
ce558b89 2424 if (htab->root.sgot == NULL
2293c499 2425 && !create_got_section (abfd, info))
b34976b6 2426 return FALSE;
37c644f2 2427
37c644f2
AO
2428 if (bed->want_dynbss)
2429 {
2430 /* The .dynbss section is a place to put symbols which are defined
2431 by dynamic objects, are referenced by regular objects, and are
2432 not functions. We must allocate space for them in the process
2433 image and use a R_*_COPY reloc to tell the dynamic linker to
2434 initialize them at run time. The linker script puts the .dynbss
2435 section into the .bss section of the final image. */
3d4d4302
AM
2436 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2437 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2438 htab->sdynbss = s;
3496cb2a 2439 if (s == NULL)
35cad4c4 2440 return FALSE;
37c644f2
AO
2441
2442 /* The .rel[a].bss section holds copy relocs. This section is not
2443 normally needed. We need to create it here, though, so that the
2444 linker will map it to an output section. We can't just create it
2445 only if we need it, because we will not know whether we need it
2446 until we have seen all the input files, and the first time the
2447 main linker code calls BFD after examining all the input files
2448 (size_dynamic_sections) the input sections have already been
2449 mapped to the output sections. If the section turns out not to
2450 be needed, we can discard it later. We will never need this
2451 section when generating a shared object, since they do not use
2452 copy relocs. */
0e1862bb 2453 if (! bfd_link_pic (info))
37c644f2 2454 {
3d4d4302
AM
2455 s = bfd_make_section_anyway_with_flags (abfd,
2456 (bed->default_use_rela_p
2457 ? ".rela.bss" : ".rel.bss"),
2458 flags | SEC_READONLY);
067653c5 2459 htab->srelbss = s;
37c644f2 2460 if (s == NULL
fd361982 2461 || !bfd_set_section_alignment (s, ptralign))
b34976b6 2462 return FALSE;
37c644f2
AO
2463 }
2464 }
2465
90c14f0c 2466 if (htab->root.target_os == is_vxworks)
55e6e397
RS
2467 {
2468 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2469 return FALSE;
2470 }
2471
b34976b6 2472 return TRUE;
37c644f2
AO
2473}
2474\f
37c644f2
AO
2475/* Adjust a symbol defined by a dynamic object and referenced by a
2476 regular object. The current definition is in some section of the
2477 dynamic object, but we're not including those sections. We have to
2478 change the definition to something the rest of the link can
2479 understand. */
2480
b34976b6 2481static bfd_boolean
09fd220b
KK
2482sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2483 struct elf_link_hash_entry *h)
37c644f2 2484{
067653c5 2485 struct elf_sh_link_hash_table *htab;
37c644f2 2486 asection *s;
37c644f2 2487
2293c499 2488 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2489 if (htab == NULL)
2490 return FALSE;
37c644f2
AO
2491
2492 /* Make sure we know what is going on here. */
2293c499 2493 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2494 && (h->needs_plt
60d67dc8 2495 || h->is_weakalias
f5385ebf
AM
2496 || (h->def_dynamic
2497 && h->ref_regular
2498 && !h->def_regular)));
37c644f2
AO
2499
2500 /* If this is a function, put it in the procedure linkage table. We
2501 will fill in the contents of the procedure linkage table later,
2502 when we know the address of the .got section. */
2503 if (h->type == STT_FUNC
f5385ebf 2504 || h->needs_plt)
37c644f2 2505 {
067653c5 2506 if (h->plt.refcount <= 0
3d85aebe
KK
2507 || SYMBOL_CALLS_LOCAL (info, h)
2508 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2509 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2510 {
2511 /* This case can occur if we saw a PLT reloc in an input
2512 file, but the symbol was never referred to by a dynamic
2513 object. In such a case, we don't actually need to build
2514 a procedure linkage table, and we can just do a REL32
2515 reloc instead. */
067653c5 2516 h->plt.offset = (bfd_vma) -1;
f5385ebf 2517 h->needs_plt = 0;
37c644f2
AO
2518 }
2519
b34976b6 2520 return TRUE;
37c644f2 2521 }
067653c5
AM
2522 else
2523 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2524
2525 /* If this is a weak symbol, and there is a real definition, the
2526 processor independent code will have arranged for us to see the
2527 real definition first, and we can just use the same value. */
60d67dc8 2528 if (h->is_weakalias)
37c644f2 2529 {
60d67dc8
AM
2530 struct elf_link_hash_entry *def = weakdef (h);
2531 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2532 h->root.u.def.section = def->root.u.def.section;
2533 h->root.u.def.value = def->root.u.def.value;
04e534c3 2534 if (info->nocopyreloc)
60d67dc8 2535 h->non_got_ref = def->non_got_ref;
b34976b6 2536 return TRUE;
37c644f2
AO
2537 }
2538
2539 /* This is a reference to a symbol defined by a dynamic object which
2540 is not a function. */
2541
2542 /* If we are creating a shared library, we must presume that the
2543 only references to the symbol are via the global offset table.
2544 For such cases we need not do anything here; the relocations will
2545 be handled correctly by relocate_section. */
0e1862bb 2546 if (bfd_link_pic (info))
b34976b6 2547 return TRUE;
37c644f2
AO
2548
2549 /* If there are no references to this symbol that do not use the
2550 GOT, we don't need to generate a copy reloc. */
f5385ebf 2551 if (!h->non_got_ref)
b34976b6 2552 return TRUE;
37c644f2 2553
067653c5 2554 /* If -z nocopyreloc was given, we won't generate them either. */
3bf083ed 2555 if (0 && info->nocopyreloc)
067653c5 2556 {
f5385ebf 2557 h->non_got_ref = 0;
b34976b6 2558 return TRUE;
067653c5
AM
2559 }
2560
3bf083ed
AM
2561 /* If we don't find any dynamic relocs in read-only sections, then
2562 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
5dbc8b37 2563 if (0 && !_bfd_elf_readonly_dynrelocs (h))
067653c5 2564 {
f5385ebf 2565 h->non_got_ref = 0;
b34976b6 2566 return TRUE;
067653c5
AM
2567 }
2568
37c644f2
AO
2569 /* We must allocate the symbol in our .dynbss section, which will
2570 become part of the .bss section of the executable. There will be
2571 an entry for this symbol in the .dynsym section. The dynamic
2572 object will contain position independent code, so all references
2573 from the dynamic object to this symbol will go through the global
2574 offset table. The dynamic linker will use the .dynsym entry to
2575 determine the address it must put in the global offset table, so
2576 both the dynamic object and the regular object will refer to the
2577 same memory location for the variable. */
2578
067653c5 2579 s = htab->sdynbss;
37c644f2
AO
2580 BFD_ASSERT (s != NULL);
2581
2582 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2583 copy the initial value out of the dynamic object and into the
2584 runtime process image. We need to remember the offset into the
2585 .rela.bss section we are going to use. */
1d7e9d18 2586 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
37c644f2
AO
2587 {
2588 asection *srel;
2589
067653c5 2590 srel = htab->srelbss;
37c644f2 2591 BFD_ASSERT (srel != NULL);
eea6121a 2592 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2593 h->needs_copy = 1;
37c644f2
AO
2594 }
2595
6cabe1ea 2596 return _bfd_elf_adjust_dynamic_copy (info, h, s);
37c644f2
AO
2597}
2598
067653c5
AM
2599/* Allocate space in .plt, .got and associated reloc sections for
2600 dynamic relocs. */
2601
b34976b6 2602static bfd_boolean
09fd220b 2603allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2604{
2605 struct bfd_link_info *info;
2606 struct elf_sh_link_hash_table *htab;
2607 struct elf_sh_link_hash_entry *eh;
3bf083ed 2608 struct elf_dyn_relocs *p;
067653c5
AM
2609
2610 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2611 return TRUE;
067653c5 2612
067653c5
AM
2613 info = (struct bfd_link_info *) inf;
2614 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2615 if (htab == NULL)
2616 return FALSE;
067653c5 2617
4989d792
SC
2618 eh = (struct elf_sh_link_hash_entry *) h;
2619 if ((h->got.refcount > 0
f5385ebf 2620 || h->forced_local)
4989d792
SC
2621 && eh->gotplt_refcount > 0)
2622 {
2623 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2624 so treat all the gotplt refs as got refs. */
4989d792
SC
2625 h->got.refcount += eh->gotplt_refcount;
2626 if (h->plt.refcount >= eh->gotplt_refcount)
2627 h->plt.refcount -= eh->gotplt_refcount;
2628 }
2629
067653c5 2630 if (htab->root.dynamic_sections_created
04e534c3
KK
2631 && h->plt.refcount > 0
2632 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2633 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2634 {
2635 /* Make sure this symbol is output as a dynamic symbol.
2636 Undefined weak syms won't yet be marked as dynamic. */
2637 if (h->dynindx == -1
f5385ebf 2638 && !h->forced_local)
067653c5 2639 {
c152c796 2640 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2641 return FALSE;
067653c5
AM
2642 }
2643
0e1862bb 2644 if (bfd_link_pic (info)
267fb3c1 2645 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5 2646 {
ce558b89 2647 asection *s = htab->root.splt;
8e45593f 2648 const struct elf_sh_plt_info *plt_info;
067653c5
AM
2649
2650 /* If this is the first .plt entry, make room for the special
2651 first entry. */
eea6121a 2652 if (s->size == 0)
55e6e397 2653 s->size += htab->plt_info->plt0_entry_size;
067653c5 2654
eea6121a 2655 h->plt.offset = s->size;
067653c5
AM
2656
2657 /* If this symbol is not defined in a regular file, and we are
2658 not generating a shared library, then set the symbol to this
2659 location in the .plt. This is required to make function
2660 pointers compare as equal between the normal executable and
8e45593f
NC
2661 the shared library. Skip this for FDPIC, since the
2662 function's address will be the address of the canonical
2663 function descriptor. */
0e1862bb 2664 if (!htab->fdpic_p && !bfd_link_pic (info) && !h->def_regular)
067653c5
AM
2665 {
2666 h->root.u.def.section = s;
2667 h->root.u.def.value = h->plt.offset;
2668 }
2669
2670 /* Make room for this entry. */
8e45593f
NC
2671 plt_info = htab->plt_info;
2672 if (plt_info->short_plt != NULL
2673 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
2674 plt_info = plt_info->short_plt;
2675 s->size += plt_info->symbol_entry_size;
067653c5
AM
2676
2677 /* We also need to make an entry in the .got.plt section, which
2678 will be placed in the .got section by the linker script. */
8e45593f 2679 if (!htab->fdpic_p)
ce558b89 2680 htab->root.sgotplt->size += 4;
8e45593f 2681 else
ce558b89 2682 htab->root.sgotplt->size += 8;
067653c5
AM
2683
2684 /* We also need to make an entry in the .rel.plt section. */
ce558b89 2685 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
55e6e397 2686
90c14f0c 2687 if (htab->root.target_os == is_vxworks && !bfd_link_pic (info))
55e6e397
RS
2688 {
2689 /* VxWorks executables have a second set of relocations
2690 for each PLT entry. They go in a separate relocation
2691 section, which is processed by the kernel loader. */
2692
2693 /* There is a relocation for the initial PLT entry:
2694 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2695 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2696 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2697
2698 /* There are two extra relocations for each subsequent
2699 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2700 and an R_SH_DIR32 relocation for the PLT entry. */
2701 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2702 }
067653c5
AM
2703 }
2704 else
2705 {
2706 h->plt.offset = (bfd_vma) -1;
f5385ebf 2707 h->needs_plt = 0;
067653c5
AM
2708 }
2709 }
2710 else
2711 {
2712 h->plt.offset = (bfd_vma) -1;
f5385ebf 2713 h->needs_plt = 0;
067653c5
AM
2714 }
2715
2716 if (h->got.refcount > 0)
2717 {
2718 asection *s;
b34976b6 2719 bfd_boolean dyn;
85e02784 2720 enum got_type got_type = sh_elf_hash_entry (h)->got_type;
067653c5
AM
2721
2722 /* Make sure this symbol is output as a dynamic symbol.
2723 Undefined weak syms won't yet be marked as dynamic. */
2724 if (h->dynindx == -1
f5385ebf 2725 && !h->forced_local)
067653c5 2726 {
c152c796 2727 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2728 return FALSE;
067653c5
AM
2729 }
2730
ce558b89 2731 s = htab->root.sgot;
eea6121a
AM
2732 h->got.offset = s->size;
2733 s->size += 4;
3376eaf5 2734 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
8e45593f 2735 if (got_type == GOT_TLS_GD)
eea6121a 2736 s->size += 4;
067653c5 2737 dyn = htab->root.dynamic_sections_created;
8e45593f
NC
2738 if (!dyn)
2739 {
2740 /* No dynamic relocations required. */
0e1862bb 2741 if (htab->fdpic_p && !bfd_link_pic (info)
8e45593f
NC
2742 && h->root.type != bfd_link_hash_undefweak
2743 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
2744 htab->srofixup->size += 4;
2745 }
87458ed2 2746 /* No dynamic relocations required when IE->LE conversion happens. */
0e1862bb
L
2747 else if (got_type == GOT_TLS_IE
2748 && !h->def_dynamic
2749 && !bfd_link_pic (info))
87458ed2 2750 ;
267fb3c1 2751 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5 2752 R_SH_TLS_GD needs one if local symbol and two if global. */
8e45593f
NC
2753 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
2754 || got_type == GOT_TLS_IE)
ce558b89 2755 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 2756 else if (got_type == GOT_TLS_GD)
ce558b89 2757 htab->root.srelgot->size += 2 * sizeof (Elf32_External_Rela);
8e45593f
NC
2758 else if (got_type == GOT_FUNCDESC)
2759 {
0e1862bb 2760 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
2761 htab->srofixup->size += 4;
2762 else
ce558b89 2763 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 2764 }
04e534c3
KK
2765 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2766 || h->root.type != bfd_link_hash_undefweak)
0e1862bb 2767 && (bfd_link_pic (info)
04e534c3 2768 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
ce558b89 2769 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
0e1862bb
L
2770 else if (htab->fdpic_p
2771 && !bfd_link_pic (info)
2772 && got_type == GOT_NORMAL
8e45593f
NC
2773 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2774 || h->root.type != bfd_link_hash_undefweak))
2775 htab->srofixup->size += 4;
067653c5
AM
2776 }
2777 else
2778 h->got.offset = (bfd_vma) -1;
2779
8e45593f
NC
2780 /* Allocate space for any dynamic relocations to function
2781 descriptors, canonical or otherwise. We need to relocate the
2782 reference unless it resolves to zero, which only happens for
2783 undefined weak symbols (either non-default visibility, or when
2784 static linking). Any GOT slot is accounted for elsewhere. */
2785 if (eh->abs_funcdesc_refcount > 0
2786 && (h->root.type != bfd_link_hash_undefweak
2787 || (htab->root.dynamic_sections_created
2788 && ! SYMBOL_CALLS_LOCAL (info, h))))
2789 {
0e1862bb 2790 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
2791 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
2792 else
ce558b89 2793 htab->root.srelgot->size
8e45593f
NC
2794 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
2795 }
2796
2797 /* We must allocate a function descriptor if there are references to
2798 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
2799 the dynamic linker isn't going to allocate it. None of this
2800 applies if we already created one in .got.plt, but if the
2801 canonical function descriptor can be in this object, there
2802 won't be a PLT entry at all. */
2803 if ((eh->funcdesc.refcount > 0
2804 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
2805 && h->root.type != bfd_link_hash_undefweak
2806 && SYMBOL_FUNCDESC_LOCAL (info, h))
2807 {
2808 /* Make room for this function descriptor. */
2809 eh->funcdesc.offset = htab->sfuncdesc->size;
2810 htab->sfuncdesc->size += 8;
2811
2812 /* We will need a relocation or two fixups to initialize the
2813 function descriptor, so allocate those too. */
0e1862bb 2814 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
8e45593f
NC
2815 htab->srofixup->size += 8;
2816 else
2817 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
2818 }
2819
190eb1dd 2820 if (h->dyn_relocs == NULL)
b34976b6 2821 return TRUE;
067653c5
AM
2822
2823 /* In the shared -Bsymbolic case, discard space allocated for
2824 dynamic pc-relative relocs against symbols which turn out to be
2825 defined in regular objects. For the normal shared case, discard
2826 space for pc-relative relocs that have become local due to symbol
2827 visibility changes. */
2828
0e1862bb 2829 if (bfd_link_pic (info))
067653c5 2830 {
3d85aebe 2831 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5 2832 {
3bf083ed 2833 struct elf_dyn_relocs **pp;
067653c5 2834
190eb1dd 2835 for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
067653c5
AM
2836 {
2837 p->count -= p->pc_count;
2838 p->pc_count = 0;
2839 if (p->count == 0)
2840 *pp = p->next;
2841 else
2842 pp = &p->next;
2843 }
2844 }
04e534c3 2845
90c14f0c 2846 if (htab->root.target_os == is_vxworks)
3348747a 2847 {
3bf083ed 2848 struct elf_dyn_relocs **pp;
3348747a 2849
190eb1dd 2850 for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
3348747a
NS
2851 {
2852 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2853 *pp = p->next;
2854 else
2855 pp = &p->next;
2856 }
2857 }
2858
04e534c3
KK
2859 /* Also discard relocs on undefined weak syms with non-default
2860 visibility. */
190eb1dd 2861 if (h->dyn_relocs != NULL
04e534c3 2862 && h->root.type == bfd_link_hash_undefweak)
22d606e9 2863 {
6ee6e05a
L
2864 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2865 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
190eb1dd 2866 h->dyn_relocs = NULL;
22d606e9
AM
2867
2868 /* Make sure undefined weak symbols are output as a dynamic
2869 symbol in PIEs. */
2870 else if (h->dynindx == -1
2871 && !h->forced_local)
2872 {
2873 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2874 return FALSE;
2875 }
2876 }
067653c5
AM
2877 }
2878 else
2879 {
2880 /* For the non-shared case, discard space for relocs against
2881 symbols which turn out to need copy relocs or are not
2882 dynamic. */
2883
f5385ebf
AM
2884 if (!h->non_got_ref
2885 && ((h->def_dynamic
2886 && !h->def_regular)
067653c5
AM
2887 || (htab->root.dynamic_sections_created
2888 && (h->root.type == bfd_link_hash_undefweak
2889 || h->root.type == bfd_link_hash_undefined))))
2890 {
2891 /* Make sure this symbol is output as a dynamic symbol.
2892 Undefined weak syms won't yet be marked as dynamic. */
2893 if (h->dynindx == -1
f5385ebf 2894 && !h->forced_local)
067653c5 2895 {
c152c796 2896 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2897 return FALSE;
067653c5
AM
2898 }
2899
2900 /* If that succeeded, we know we'll be keeping all the
2901 relocs. */
2902 if (h->dynindx != -1)
2903 goto keep;
2904 }
2905
190eb1dd 2906 h->dyn_relocs = NULL;
067653c5
AM
2907
2908 keep: ;
2909 }
2910
2911 /* Finally, allocate space. */
190eb1dd 2912 for (p = h->dyn_relocs; p != NULL; p = p->next)
067653c5
AM
2913 {
2914 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 2915 sreloc->size += p->count * sizeof (Elf32_External_Rela);
8e45593f
NC
2916
2917 /* If we need relocations, we do not need fixups. */
0e1862bb 2918 if (htab->fdpic_p && !bfd_link_pic (info))
8e45593f 2919 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5
AM
2920 }
2921
b34976b6 2922 return TRUE;
067653c5
AM
2923}
2924
55e6e397
RS
2925/* This function is called after all the input files have been read,
2926 and the input sections have been assigned to output sections.
2927 It's a convenient place to determine the PLT style. */
2928
2929static bfd_boolean
2930sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2931{
0e1862bb
L
2932 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd,
2933 bfd_link_pic (info));
8e45593f 2934
0e1862bb 2935 if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_relocatable (info)
04c3a755
NS
2936 && !bfd_elf_stack_segment_size (output_bfd, info,
2937 "__stacksize", DEFAULT_STACK_SIZE))
2938 return FALSE;
55e6e397
RS
2939 return TRUE;
2940}
2941
37c644f2
AO
2942/* Set the sizes of the dynamic sections. */
2943
b34976b6 2944static bfd_boolean
09fd220b
KK
2945sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2946 struct bfd_link_info *info)
37c644f2 2947{
067653c5 2948 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2949 bfd *dynobj;
2950 asection *s;
b34976b6 2951 bfd_boolean relocs;
067653c5 2952 bfd *ibfd;
37c644f2 2953
067653c5 2954 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2955 if (htab == NULL)
2956 return FALSE;
2957
067653c5 2958 dynobj = htab->root.dynobj;
37c644f2
AO
2959 BFD_ASSERT (dynobj != NULL);
2960
067653c5 2961 if (htab->root.dynamic_sections_created)
37c644f2
AO
2962 {
2963 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 2964 if (bfd_link_executable (info) && !info->nointerp)
37c644f2 2965 {
3d4d4302 2966 s = bfd_get_linker_section (dynobj, ".interp");
37c644f2 2967 BFD_ASSERT (s != NULL);
eea6121a 2968 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
2969 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2970 }
2971 }
37c644f2 2972
067653c5
AM
2973 /* Set up .got offsets for local syms, and space for local dynamic
2974 relocs. */
c72f2fb2 2975 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
37c644f2 2976 {
067653c5
AM
2977 bfd_signed_vma *local_got;
2978 bfd_signed_vma *end_local_got;
8e45593f
NC
2979 union gotref *local_funcdesc, *end_local_funcdesc;
2980 char *local_got_type;
067653c5
AM
2981 bfd_size_type locsymcount;
2982 Elf_Internal_Shdr *symtab_hdr;
2983 asection *srel;
37c644f2 2984
0ffa91dd 2985 if (! is_sh_elf (ibfd))
37c644f2
AO
2986 continue;
2987
067653c5 2988 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 2989 {
3bf083ed 2990 struct elf_dyn_relocs *p;
067653c5 2991
3bf083ed 2992 for (p = ((struct elf_dyn_relocs *)
067653c5
AM
2993 elf_section_data (s)->local_dynrel);
2994 p != NULL;
2995 p = p->next)
37c644f2 2996 {
067653c5
AM
2997 if (! bfd_is_abs_section (p->sec)
2998 && bfd_is_abs_section (p->sec->output_section))
2999 {
3000 /* Input section has been discarded, either because
3001 it is a copy of a linkonce section or due to
3002 linker script /DISCARD/, so we'll be discarding
3003 the relocs too. */
3004 }
90c14f0c 3005 else if (htab->root.target_os == is_vxworks
3348747a
NS
3006 && strcmp (p->sec->output_section->name,
3007 ".tls_vars") == 0)
3008 {
3009 /* Relocations in vxworks .tls_vars sections are
3010 handled specially by the loader. */
3011 }
067653c5
AM
3012 else if (p->count != 0)
3013 {
3014 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3015 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5 3016 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
a72f95f7
L
3017 {
3018 info->flags |= DF_TEXTREL;
871b3ab2 3019 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
a72f95f7
L
3020 p->sec->owner, p->sec);
3021 }
8e45593f
NC
3022
3023 /* If we need relocations, we do not need fixups. */
0e1862bb 3024 if (htab->fdpic_p && !bfd_link_pic (info))
8e45593f 3025 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5 3026 }
37c644f2
AO
3027 }
3028 }
067653c5 3029
0ffa91dd 3030 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5 3031 locsymcount = symtab_hdr->sh_info;
ce558b89
AM
3032 s = htab->root.sgot;
3033 srel = htab->root.srelgot;
8e45593f
NC
3034
3035 local_got = elf_local_got_refcounts (ibfd);
3036 if (local_got)
37c644f2 3037 {
8e45593f
NC
3038 end_local_got = local_got + locsymcount;
3039 local_got_type = sh_elf_local_got_type (ibfd);
3040 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3041 for (; local_got < end_local_got; ++local_got)
37c644f2 3042 {
8e45593f
NC
3043 if (*local_got > 0)
3044 {
3045 *local_got = s->size;
3046 s->size += 4;
3047 if (*local_got_type == GOT_TLS_GD)
3048 s->size += 4;
0e1862bb 3049 if (bfd_link_pic (info))
8e45593f
NC
3050 srel->size += sizeof (Elf32_External_Rela);
3051 else
3052 htab->srofixup->size += 4;
3053
3054 if (*local_got_type == GOT_FUNCDESC)
3055 {
3056 if (local_funcdesc == NULL)
3057 {
3058 bfd_size_type size;
3059
3060 size = locsymcount * sizeof (union gotref);
3061 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3062 size);
3063 if (local_funcdesc == NULL)
3064 return FALSE;
3065 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3066 local_funcdesc += (local_got
3067 - elf_local_got_refcounts (ibfd));
3068 }
3069 local_funcdesc->refcount++;
3070 ++local_funcdesc;
3071 }
3072 }
3073 else
3074 *local_got = (bfd_vma) -1;
3075 ++local_got_type;
3076 }
3077 }
3078
3079 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3080 if (local_funcdesc)
3081 {
3082 end_local_funcdesc = local_funcdesc + locsymcount;
3083
3084 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3085 {
3086 if (local_funcdesc->refcount > 0)
3087 {
3088 local_funcdesc->offset = htab->sfuncdesc->size;
3089 htab->sfuncdesc->size += 8;
0e1862bb 3090 if (!bfd_link_pic (info))
8e45593f
NC
3091 htab->srofixup->size += 8;
3092 else
3093 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3094 }
3095 else
3096 local_funcdesc->offset = MINUS_ONE;
37c644f2 3097 }
37c644f2 3098 }
8e45593f 3099
067653c5
AM
3100 }
3101
3376eaf5
KK
3102 if (htab->tls_ldm_got.refcount > 0)
3103 {
3104 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3105 relocs. */
ce558b89
AM
3106 htab->tls_ldm_got.offset = htab->root.sgot->size;
3107 htab->root.sgot->size += 8;
3108 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3109 }
3110 else
3111 htab->tls_ldm_got.offset = -1;
3112
8e45593f
NC
3113 /* Only the reserved entries should be present. For FDPIC, they go at
3114 the end of .got.plt. */
3115 if (htab->fdpic_p)
3116 {
ce558b89
AM
3117 BFD_ASSERT (htab->root.sgotplt && htab->root.sgotplt->size == 12);
3118 htab->root.sgotplt->size = 0;
8e45593f
NC
3119 }
3120
067653c5
AM
3121 /* Allocate global sym .plt and .got entries, and space for global
3122 sym dynamic relocs. */
09fd220b 3123 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5 3124
8e45593f
NC
3125 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3126 end of the FDPIC .got.plt. */
3127 if (htab->fdpic_p)
3128 {
ce558b89
AM
3129 htab->root.hgot->root.u.def.value = htab->root.sgotplt->size;
3130 htab->root.sgotplt->size += 12;
8e45593f
NC
3131 }
3132
3133 /* At the very end of the .rofixup section is a pointer to the GOT. */
3134 if (htab->fdpic_p && htab->srofixup != NULL)
3135 htab->srofixup->size += 4;
3136
067653c5
AM
3137 /* We now have determined the sizes of the various dynamic sections.
3138 Allocate memory for them. */
b34976b6 3139 relocs = FALSE;
067653c5
AM
3140 for (s = dynobj->sections; s != NULL; s = s->next)
3141 {
3142 if ((s->flags & SEC_LINKER_CREATED) == 0)
3143 continue;
3144
ce558b89
AM
3145 if (s == htab->root.splt
3146 || s == htab->root.sgot
3147 || s == htab->root.sgotplt
8e45593f
NC
3148 || s == htab->sfuncdesc
3149 || s == htab->srofixup
c456f082 3150 || s == htab->sdynbss)
067653c5
AM
3151 {
3152 /* Strip this section if we don't need it; see the
3153 comment below. */
3154 }
fd361982 3155 else if (CONST_STRNEQ (bfd_section_name (s), ".rela"))
067653c5 3156 {
ce558b89 3157 if (s->size != 0 && s != htab->root.srelplt && s != htab->srelplt2)
b34976b6 3158 relocs = TRUE;
067653c5
AM
3159
3160 /* We use the reloc_count field as a counter if we need
3161 to copy relocs into the output file. */
3162 s->reloc_count = 0;
3163 }
3164 else
37c644f2
AO
3165 {
3166 /* It's not one of our sections, so don't allocate space. */
3167 continue;
3168 }
3169
eea6121a 3170 if (s->size == 0)
37c644f2 3171 {
067653c5
AM
3172 /* If we don't need this section, strip it from the
3173 output file. This is mostly to handle .rela.bss and
3174 .rela.plt. We must create both sections in
3175 create_dynamic_sections, because they must be created
3176 before the linker maps input sections to output
3177 sections. The linker does that before
3178 adjust_dynamic_symbol is called, and it is that
3179 function which decides whether anything needs to go
3180 into these sections. */
3181
8423293d 3182 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3183 continue;
3184 }
3185
c456f082
AM
3186 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3187 continue;
3188
067653c5
AM
3189 /* Allocate memory for the section contents. We use bfd_zalloc
3190 here in case unused entries are not reclaimed before the
3191 section's contents are written out. This should not happen,
3192 but this way if it does, we get a R_SH_NONE reloc instead
3193 of garbage. */
eea6121a 3194 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3195 if (s->contents == NULL)
b34976b6 3196 return FALSE;
37c644f2
AO
3197 }
3198
067653c5 3199 if (htab->root.dynamic_sections_created)
37c644f2
AO
3200 {
3201 /* Add some entries to the .dynamic section. We fill in the
3202 values later, in sh_elf_finish_dynamic_sections, but we
3203 must add the entries now so that we get the correct size for
3204 the .dynamic section. The DT_DEBUG entry is filled in by the
3205 dynamic linker and used by the debugger. */
dc810e39 3206#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3207 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3208
0e1862bb 3209 if (bfd_link_executable (info))
37c644f2 3210 {
067653c5 3211 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3212 return FALSE;
37c644f2
AO
3213 }
3214
ce558b89 3215 if (htab->root.splt->size != 0)
37c644f2 3216 {
067653c5
AM
3217 if (! add_dynamic_entry (DT_PLTGOT, 0)
3218 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3219 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3220 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3221 return FALSE;
37c644f2 3222 }
b4b0e149 3223 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC))
8e45593f
NC
3224 {
3225 if (! add_dynamic_entry (DT_PLTGOT, 0))
3226 return FALSE;
3227 }
37c644f2
AO
3228
3229 if (relocs)
3230 {
067653c5
AM
3231 if (! add_dynamic_entry (DT_RELA, 0)
3232 || ! add_dynamic_entry (DT_RELASZ, 0)
3233 || ! add_dynamic_entry (DT_RELAENT,
3234 sizeof (Elf32_External_Rela)))
b34976b6 3235 return FALSE;
37c644f2 3236
067653c5
AM
3237 /* If any dynamic relocs apply to a read-only section,
3238 then we need a DT_TEXTREL entry. */
3239 if ((info->flags & DF_TEXTREL) == 0)
d49e5065
L
3240 elf_link_hash_traverse (&htab->root,
3241 _bfd_elf_maybe_set_textrel, info);
067653c5
AM
3242
3243 if ((info->flags & DF_TEXTREL) != 0)
3244 {
3245 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3246 return FALSE;
067653c5 3247 }
37c644f2 3248 }
90c14f0c 3249 if (htab->root.target_os == is_vxworks
7a2b07ff
NS
3250 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3251 return FALSE;
37c644f2 3252 }
dc810e39 3253#undef add_dynamic_entry
37c644f2 3254
b34976b6 3255 return TRUE;
37c644f2 3256}
37c644f2 3257\f
8e45593f 3258/* Add a dynamic relocation to the SRELOC section. */
37c644f2 3259
8e45593f
NC
3260inline static bfd_vma
3261sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3262 int reloc_type, long dynindx, bfd_vma addend)
37c644f2 3263{
8e45593f
NC
3264 Elf_Internal_Rela outrel;
3265 bfd_vma reloc_offset;
37c644f2 3266
8e45593f
NC
3267 outrel.r_offset = offset;
3268 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3269 outrel.r_addend = addend;
0ffa91dd 3270
8e45593f
NC
3271 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3272 BFD_ASSERT (reloc_offset < sreloc->size);
3273 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3274 sreloc->contents + reloc_offset);
3275 sreloc->reloc_count++;
37c644f2 3276
8e45593f
NC
3277 return reloc_offset;
3278}
37c644f2 3279
8e45593f 3280/* Add an FDPIC read-only fixup. */
37c644f2 3281
8e45593f
NC
3282inline static void
3283sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3284{
3285 bfd_vma fixup_offset;
3286
3287 fixup_offset = srofixup->reloc_count++ * 4;
3288 BFD_ASSERT (fixup_offset < srofixup->size);
3289 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3290}
3291
3292/* Return the offset of the generated .got section from the
3293 _GLOBAL_OFFSET_TABLE_ symbol. */
3294
3295static bfd_signed_vma
3296sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3297{
ce558b89 3298 return (htab->root.sgot->output_offset - htab->root.sgotplt->output_offset
8e45593f
NC
3299 - htab->root.hgot->root.u.def.value);
3300}
3301
3302/* Find the segment number in which OSEC, and output section, is
3303 located. */
3304
3305static unsigned
3306sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3307{
3d301fdc
AM
3308 Elf_Internal_Phdr *p = NULL;
3309
5bc8cb6f
NC
3310 if (output_bfd->xvec->flavour == bfd_target_elf_flavour
3311 /* PR ld/17110: Do not look for output segments in an input bfd. */
3312 && output_bfd->direction != read_direction)
3d301fdc 3313 p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
8e45593f
NC
3314
3315 /* FIXME: Nothing ever says what this index is relative to. The kernel
3316 supplies data in terms of the number of load segments but this is
3317 a phdr index and the first phdr may not be a load segment. */
3318 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3319}
3320
3321static bfd_boolean
3322sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3323{
3324 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3325
3d301fdc
AM
3326 return (seg != (unsigned) -1
3327 && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
8e45593f
NC
3328}
3329
3330/* Generate the initial contents of a local function descriptor, along
3331 with any relocations or fixups required. */
3332static bfd_boolean
3333sh_elf_initialize_funcdesc (bfd *output_bfd,
3334 struct bfd_link_info *info,
3335 struct elf_link_hash_entry *h,
3336 bfd_vma offset,
3337 asection *section,
3338 bfd_vma value)
3339{
3340 struct elf_sh_link_hash_table *htab;
3341 int dynindx;
3342 bfd_vma addr, seg;
3343
3344 htab = sh_elf_hash_table (info);
3345
3346 /* FIXME: The ABI says that the offset to the function goes in the
3347 descriptor, along with the segment index. We're RELA, so it could
3348 go in the reloc instead... */
3349
3350 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3351 {
3352 section = h->root.u.def.section;
3353 value = h->root.u.def.value;
3354 }
3355
3356 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3357 {
3358 dynindx = elf_section_data (section->output_section)->dynindx;
3359 addr = value + section->output_offset;
3360 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3361 }
3362 else
3363 {
3364 BFD_ASSERT (h->dynindx != -1);
3365 dynindx = h->dynindx;
3366 addr = seg = 0;
3367 }
3368
0e1862bb 3369 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
8e45593f
NC
3370 {
3371 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3372 {
3373 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3374 offset
3375 + htab->sfuncdesc->output_section->vma
3376 + htab->sfuncdesc->output_offset);
3377 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3378 offset + 4
3379 + htab->sfuncdesc->output_section->vma
3380 + htab->sfuncdesc->output_offset);
3381 }
3382
3383 /* There are no dynamic relocations so fill in the final
3384 address and gp value (barring fixups). */
3385 addr += section->output_section->vma;
3386 seg = htab->root.hgot->root.u.def.value
3387 + htab->root.hgot->root.u.def.section->output_section->vma
3388 + htab->root.hgot->root.u.def.section->output_offset;
3389 }
3390 else
3391 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3392 offset
3393 + htab->sfuncdesc->output_section->vma
3394 + htab->sfuncdesc->output_offset,
3395 R_SH_FUNCDESC_VALUE, dynindx, 0);
3396
3397 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3398 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3399
3400 return TRUE;
3401}
3402
3403/* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3404 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3405 otherwise. */
3406
3407static bfd_reloc_status_type
3408install_movi20_field (bfd *output_bfd, unsigned long relocation,
3409 bfd *input_bfd, asection *input_section,
3410 bfd_byte *contents, bfd_vma offset)
3411{
3412 unsigned long cur_val;
3413 bfd_byte *addr;
3414 bfd_reloc_status_type r;
3415
3416 if (offset > bfd_get_section_limit (input_bfd, input_section))
3417 return bfd_reloc_outofrange;
3418
3419 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3420 bfd_arch_bits_per_address (input_bfd), relocation);
3421 if (r != bfd_reloc_ok)
3422 return r;
3423
3424 addr = contents + offset;
3425 cur_val = bfd_get_16 (output_bfd, addr);
3426 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3427 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3428
3429 return bfd_reloc_ok;
3430}
3431
3432/* Relocate an SH ELF section. */
3433
3434static bfd_boolean
3435sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3436 bfd *input_bfd, asection *input_section,
3437 bfd_byte *contents, Elf_Internal_Rela *relocs,
3438 Elf_Internal_Sym *local_syms,
3439 asection **local_sections)
3440{
3441 struct elf_sh_link_hash_table *htab;
3442 Elf_Internal_Shdr *symtab_hdr;
3443 struct elf_link_hash_entry **sym_hashes;
3444 Elf_Internal_Rela *rel, *relend;
8e45593f 3445 bfd_vma *local_got_offsets;
e0af1f53
MR
3446 asection *sgot = NULL;
3447 asection *sgotplt = NULL;
3448 asection *splt = NULL;
3449 asection *sreloc = NULL;
3450 asection *srelgot = NULL;
8e45593f
NC
3451 bfd_boolean is_vxworks_tls;
3452 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
e0af1f53 3453 bfd_boolean fdpic_p = FALSE;
8e45593f 3454
7af5d5c4
AM
3455 if (!is_sh_elf (input_bfd))
3456 {
3457 bfd_set_error (bfd_error_wrong_format);
3458 return FALSE;
3459 }
8e45593f
NC
3460
3461 htab = sh_elf_hash_table (info);
e0af1f53
MR
3462 if (htab != NULL)
3463 {
ce558b89
AM
3464 sgot = htab->root.sgot;
3465 sgotplt = htab->root.sgotplt;
3466 srelgot = htab->root.srelgot;
3467 splt = htab->root.splt;
e0af1f53
MR
3468 fdpic_p = htab->fdpic_p;
3469 }
8e45593f
NC
3470 symtab_hdr = &elf_symtab_hdr (input_bfd);
3471 sym_hashes = elf_sym_hashes (input_bfd);
8e45593f
NC
3472 local_got_offsets = elf_local_got_offsets (input_bfd);
3473
3474 isec_segment = sh_elf_osec_to_segment (output_bfd,
3475 input_section->output_section);
e0af1f53 3476 if (fdpic_p && sgot)
8e45593f 3477 got_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3478 sgot->output_section);
8e45593f
NC
3479 else
3480 got_segment = -1;
e0af1f53 3481 if (fdpic_p && splt)
8e45593f 3482 plt_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3483 splt->output_section);
8e45593f
NC
3484 else
3485 plt_segment = -1;
3486
8e45593f
NC
3487 /* We have to handle relocations in vxworks .tls_vars sections
3488 specially, because the dynamic loader is 'weird'. */
90c14f0c 3489 is_vxworks_tls = (htab && htab->root.target_os == is_vxworks && bfd_link_pic (info)
8e45593f
NC
3490 && !strcmp (input_section->output_section->name,
3491 ".tls_vars"));
3492
3493 rel = relocs;
3494 relend = relocs + input_section->reloc_count;
3495 for (; rel < relend; rel++)
3496 {
3497 int r_type;
3498 reloc_howto_type *howto;
3499 unsigned long r_symndx;
3500 Elf_Internal_Sym *sym;
3501 asection *sec;
3502 struct elf_link_hash_entry *h;
3503 bfd_vma relocation;
3504 bfd_vma addend = (bfd_vma) 0;
3505 bfd_reloc_status_type r;
8e45593f 3506 bfd_vma off;
85e02784 3507 enum got_type got_type;
8e45593f 3508 const char *symname = NULL;
6ee6e05a 3509 bfd_boolean resolved_to_zero;
8e45593f
NC
3510
3511 r_symndx = ELF32_R_SYM (rel->r_info);
37c644f2 3512
37c644f2
AO
3513 r_type = ELF32_R_TYPE (rel->r_info);
3514
3515 /* Many of the relocs are only used for relaxing, and are
067653c5 3516 handled entirely by the relaxation code. */
d38eb334
DD
3517 if (r_type >= (int) R_SH_GNU_VTINHERIT
3518 && r_type <= (int) R_SH_LABEL)
37c644f2 3519 continue;
c5aeb40f
AO
3520 if (r_type == (int) R_SH_NONE)
3521 continue;
37c644f2
AO
3522
3523 if (r_type < 0
3524 || r_type >= R_SH_max
3525 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3526 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
8e45593f
NC
3527 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3528 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
fbca6ad9
AO
3529 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3530 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3531 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3532 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3533 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3534 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
8e45593f
NC
3535 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
3536 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
37c644f2
AO
3537 {
3538 bfd_set_error (bfd_error_bad_value);
b34976b6 3539 return FALSE;
37c644f2
AO
3540 }
3541
55e6e397 3542 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3543
146be91a 3544 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3545 the relocation. */
146be91a
HPN
3546 if (! howto->partial_inplace)
3547 addend = rel->r_addend;
3548
6ee6e05a 3549 resolved_to_zero = FALSE;
37c644f2
AO
3550 h = NULL;
3551 sym = NULL;
3552 sec = NULL;
8e45593f
NC
3553 check_segment[0] = -1;
3554 check_segment[1] = -1;
37c644f2
AO
3555 if (r_symndx < symtab_hdr->sh_info)
3556 {
3557 sym = local_syms + r_symndx;
3558 sec = local_sections[r_symndx];
8e45593f
NC
3559
3560 symname = bfd_elf_string_from_elf_section
3561 (input_bfd, symtab_hdr->sh_link, sym->st_name);
3562 if (symname == NULL || *symname == '\0')
fd361982 3563 symname = bfd_section_name (sec);
8e45593f 3564
37c644f2
AO
3565 relocation = (sec->output_section->vma
3566 + sec->output_offset
3567 + sym->st_value);
ab96bf03 3568
dbaa2011 3569 if (sec != NULL && discarded_section (sec))
ab96bf03
AM
3570 /* Handled below. */
3571 ;
0e1862bb 3572 else if (bfd_link_relocatable (info))
8a3975e6 3573 {
1049f94e 3574 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3575 anything, unless the reloc is against a section symbol,
3576 in which case we have to adjust according to where the
3577 section symbol winds up in the output section. */
8a3975e6 3578 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3579 {
3580 if (! howto->partial_inplace)
3581 {
3582 /* For relocations with the addend in the
3583 relocation, we need just to update the addend.
3584 All real relocs are of type partial_inplace; this
3585 code is mostly for completeness. */
ab96bf03 3586 rel->r_addend += sec->output_offset;
146be91a
HPN
3587
3588 continue;
3589 }
3590
3591 /* Relocs of type partial_inplace need to pick up the
3592 contents in the contents and add the offset resulting
3593 from the changed location of the section symbol.
3594 Using _bfd_final_link_relocate (e.g. goto
3595 final_link_relocate) here would be wrong, because
3596 relocations marked pc_relative would get the current
3597 location subtracted, and we must only do that at the
3598 final link. */
3599 r = _bfd_relocate_contents (howto, input_bfd,
3600 sec->output_offset
3601 + sym->st_value,
3602 contents + rel->r_offset);
3603 goto relocation_done;
3604 }
8a3975e6
AO
3605
3606 continue;
3607 }
f8df10f4
JJ
3608 else if (! howto->partial_inplace)
3609 {
8517fae7 3610 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
3611 addend = rel->r_addend;
3612 }
3613 else if ((sec->flags & SEC_MERGE)
3614 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3615 {
3616 asection *msec;
3617
3618 if (howto->rightshift || howto->src_mask != 0xffffffff)
3619 {
4eca0228 3620 _bfd_error_handler
695344c0 3621 /* xgettext:c-format */
2dcf00ce
AM
3622 (_("%pB(%pA+%#" PRIx64 "): "
3623 "%s relocation against SEC_MERGE section"),
d003868e 3624 input_bfd, input_section,
2dcf00ce 3625 (uint64_t) rel->r_offset, howto->name);
b34976b6 3626 return FALSE;
f8df10f4
JJ
3627 }
3628
067653c5
AM
3629 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3630 msec = sec;
3631 addend =
c629eae0 3632 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
3633 - relocation;
3634 addend += msec->output_section->vma + msec->output_offset;
3635 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3636 addend = 0;
3637 }
37c644f2
AO
3638 }
3639 else
3640 {
560e09e9
NC
3641 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3642
ab96bf03 3643 relocation = 0;
37c644f2 3644 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
8e45593f 3645 symname = h->root.root.string;
37c644f2
AO
3646 while (h->root.type == bfd_link_hash_indirect
3647 || h->root.type == bfd_link_hash_warning)
211dc24b 3648 h = (struct elf_link_hash_entry *) h->root.u.i.link;
37c644f2
AO
3649 if (h->root.type == bfd_link_hash_defined
3650 || h->root.type == bfd_link_hash_defweak)
3651 {
b34976b6 3652 bfd_boolean dyn;
067653c5 3653
e0af1f53 3654 dyn = htab ? htab->root.dynamic_sections_created : FALSE;
37c644f2
AO
3655 sec = h->root.u.def.section;
3656 /* In these cases, we don't need the relocation value.
3657 We check specially because in some obscure cases
435b1e90 3658 sec->output_section will be NULL. */
37c644f2 3659 if (r_type == R_SH_GOTPC
fbca6ad9
AO
3660 || r_type == R_SH_GOTPC_LOW16
3661 || r_type == R_SH_GOTPC_MEDLOW16
3662 || r_type == R_SH_GOTPC_MEDHI16
3663 || r_type == R_SH_GOTPC_HI16
3664 || ((r_type == R_SH_PLT32
3665 || r_type == R_SH_PLT_LOW16
3666 || r_type == R_SH_PLT_MEDLOW16
3667 || r_type == R_SH_PLT_MEDHI16
3668 || r_type == R_SH_PLT_HI16)
37c644f2 3669 && h->plt.offset != (bfd_vma) -1)
fbca6ad9 3670 || ((r_type == R_SH_GOT32
8e45593f
NC
3671 || r_type == R_SH_GOT20
3672 || r_type == R_SH_GOTFUNCDESC
3673 || r_type == R_SH_GOTFUNCDESC20
3674 || r_type == R_SH_GOTOFFFUNCDESC
3675 || r_type == R_SH_GOTOFFFUNCDESC20
3676 || r_type == R_SH_FUNCDESC
fbca6ad9
AO
3677 || r_type == R_SH_GOT_LOW16
3678 || r_type == R_SH_GOT_MEDLOW16
3679 || r_type == R_SH_GOT_MEDHI16
3680 || r_type == R_SH_GOT_HI16)
0e1862bb
L
3681 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3682 bfd_link_pic (info),
3683 h)
3684 && (! bfd_link_pic (info)
37c644f2 3685 || (! info->symbolic && h->dynindx != -1)
f5385ebf 3686 || !h->def_regular))
37c644f2
AO
3687 /* The cases above are those in which relocation is
3688 overwritten in the switch block below. The cases
3689 below are those in which we must defer relocation
3690 to run-time, because we can't resolve absolute
3691 addresses when creating a shared library. */
0e1862bb 3692 || (bfd_link_pic (info)
37c644f2 3693 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 3694 || !h->def_regular)
37c644f2 3695 && ((r_type == R_SH_DIR32
f5385ebf 3696 && !h->forced_local)
f50ad433
KK
3697 || (r_type == R_SH_REL32
3698 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3699 && ((input_section->flags & SEC_ALLOC) != 0
3700 /* DWARF will emit R_SH_DIR32 relocations in its
3701 sections against symbols defined externally
3702 in shared libraries. We can't do anything
3703 with them here. */
067653c5 3704 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3705 && h->def_dynamic)))
1448fa32
KK
3706 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3707 sections because such sections are not SEC_ALLOC and
3708 thus ld.so will not process them. */
3709 || (sec->output_section == NULL
3710 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3711 && h->def_dynamic))
3376eaf5 3712 || (sec->output_section == NULL
8e45593f
NC
3713 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
3714 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
ab96bf03
AM
3715 ;
3716 else if (sec->output_section != NULL)
fad3d2c1 3717 relocation = (h->root.u.def.value
ab96bf03 3718 + sec->output_section->vma
fad3d2c1 3719 + sec->output_offset);
0e1862bb 3720 else if (!bfd_link_relocatable (info)
1d5316ab
AM
3721 && (_bfd_elf_section_offset (output_bfd, info,
3722 input_section,
3723 rel->r_offset)
3724 != (bfd_vma) -1))
37c644f2 3725 {
4eca0228 3726 _bfd_error_handler
695344c0 3727 /* xgettext:c-format */
2dcf00ce
AM
3728 (_("%pB(%pA+%#" PRIx64 "): "
3729 "unresolvable %s relocation against symbol `%s'"),
843fe662
L
3730 input_bfd,
3731 input_section,
2dcf00ce 3732 (uint64_t) rel->r_offset,
843fe662
L
3733 howto->name,
3734 h->root.root.string);
b34976b6 3735 return FALSE;
37c644f2 3736 }
37c644f2
AO
3737 }
3738 else if (h->root.type == bfd_link_hash_undefweak)
6ee6e05a 3739 resolved_to_zero = UNDEFWEAK_NO_DYNAMIC_RELOC (info, h);
59c2e50f 3740 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 3741 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03 3742 ;
0e1862bb 3743 else if (!bfd_link_relocatable (info))
95a51568
FS
3744 info->callbacks->undefined_symbol
3745 (info, h->root.root.string, input_bfd, input_section,
3746 rel->r_offset,
3747 (info->unresolved_syms_in_objects == RM_DIAGNOSE
3748 && !info->warn_unresolved_syms)
3749 || ELF_ST_VISIBILITY (h->other));
3750 }
37c644f2 3751
dbaa2011 3752 if (sec != NULL && discarded_section (sec))
e4067dbb 3753 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 3754 rel, 1, relend, howto, 0, contents);
ab96bf03 3755
0e1862bb 3756 if (bfd_link_relocatable (info))
ab96bf03
AM
3757 continue;
3758
8e45593f
NC
3759 /* Check for inter-segment relocations in FDPIC files. Most
3760 relocations connect the relocation site to the location of
3761 the target symbol, but there are some exceptions below. */
3762 check_segment[0] = isec_segment;
3763 if (sec != NULL)
3764 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
3765 sec->output_section);
3766 else
3767 check_segment[1] = -1;
3768
435b1e90 3769 switch ((int) r_type)
37c644f2
AO
3770 {
3771 final_link_relocate:
3772 /* COFF relocs don't use the addend. The addend is used for
435b1e90 3773 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
3774 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3775 contents, rel->r_offset,
3776 relocation, addend);
3777 break;
3778
3779 case R_SH_IND12W:
cd6ec716
DD
3780 goto final_link_relocate;
3781
37c644f2
AO
3782 case R_SH_DIR8WPN:
3783 case R_SH_DIR8WPZ:
3784 case R_SH_DIR8WPL:
cd6ec716
DD
3785 /* If the reloc is against the start of this section, then
3786 the assembler has already taken care of it and the reloc
3787 is here only to assist in relaxing. If the reloc is not
3788 against the start of this section, then it's against an
3789 external symbol and we must deal with it ourselves. */
3790 if (input_section->output_section->vma + input_section->output_offset
3791 != relocation)
3792 {
3793 int disp = (relocation
3794 - input_section->output_section->vma
3795 - input_section->output_offset
3796 - rel->r_offset);
3797 int mask = 0;
3798 switch (r_type)
3799 {
3800 case R_SH_DIR8WPN:
3801 case R_SH_DIR8WPZ: mask = 1; break;
3802 case R_SH_DIR8WPL: mask = 3; break;
3803 default: mask = 0; break;
3804 }
3805 if (disp & mask)
3806 {
4eca0228 3807 _bfd_error_handler
695344c0 3808 /* xgettext:c-format */
2dcf00ce
AM
3809 (_("%pB: %#" PRIx64 ": fatal: "
3810 "unaligned branch target for relax-support relocation"),
4eca0228 3811 input_section->owner,
2dcf00ce 3812 (uint64_t) rel->r_offset);
cd6ec716 3813 bfd_set_error (bfd_error_bad_value);
b34976b6 3814 return FALSE;
cd6ec716
DD
3815 }
3816 relocation -= 4;
3817 goto final_link_relocate;
3818 }
3819 r = bfd_reloc_ok;
3820 break;
37c644f2
AO
3821
3822 default:
3823 bfd_set_error (bfd_error_bad_value);
b34976b6 3824 return FALSE;
37c644f2 3825
d38eb334
DD
3826 case R_SH_DIR16:
3827 case R_SH_DIR8:
3828 case R_SH_DIR8U:
3829 case R_SH_DIR8S:
3830 case R_SH_DIR4U:
3831 goto final_link_relocate;
3832
3833 case R_SH_DIR8UL:
3834 case R_SH_DIR4UL:
3835 if (relocation & 3)
3836 {
4eca0228 3837 _bfd_error_handler
695344c0 3838 /* xgettext:c-format */
2dcf00ce
AM
3839 (_("%pB: %#" PRIx64 ": fatal: "
3840 "unaligned %s relocation %#" PRIx64),
3841 input_section->owner, (uint64_t) rel->r_offset,
3842 howto->name, (uint64_t) relocation);
d38eb334
DD
3843 bfd_set_error (bfd_error_bad_value);
3844 return FALSE;
3845 }
3846 goto final_link_relocate;
3847
3848 case R_SH_DIR8UW:
3849 case R_SH_DIR8SW:
3850 case R_SH_DIR4UW:
3851 if (relocation & 1)
3852 {
4eca0228 3853 _bfd_error_handler
695344c0 3854 /* xgettext:c-format */
2dcf00ce
AM
3855 (_("%pB: %#" PRIx64 ": fatal: "
3856 "unaligned %s relocation %#" PRIx64 ""),
4eca0228 3857 input_section->owner,
2dcf00ce
AM
3858 (uint64_t) rel->r_offset, howto->name,
3859 (uint64_t) relocation);
d38eb334
DD
3860 bfd_set_error (bfd_error_bad_value);
3861 return FALSE;
3862 }
3863 goto final_link_relocate;
3864
3865 case R_SH_PSHA:
3866 if ((signed int)relocation < -32
3867 || (signed int)relocation > 32)
3868 {
4eca0228 3869 _bfd_error_handler
695344c0 3870 /* xgettext:c-format */
2dcf00ce
AM
3871 (_("%pB: %#" PRIx64 ": fatal: R_SH_PSHA relocation %" PRId64
3872 " not in range -32..32"),
4eca0228 3873 input_section->owner,
2dcf00ce
AM
3874 (uint64_t) rel->r_offset,
3875 (int64_t) relocation);
d38eb334
DD
3876 bfd_set_error (bfd_error_bad_value);
3877 return FALSE;
3878 }
3879 goto final_link_relocate;
3880
3881 case R_SH_PSHL:
3882 if ((signed int)relocation < -16
3883 || (signed int)relocation > 16)
3884 {
4eca0228 3885 _bfd_error_handler
695344c0 3886 /* xgettext:c-format */
2dcf00ce
AM
3887 (_("%pB: %#" PRIx64 ": fatal: R_SH_PSHL relocation %" PRId64
3888 " not in range -32..32"),
4eca0228 3889 input_section->owner,
2dcf00ce
AM
3890 (uint64_t) rel->r_offset,
3891 (int64_t) relocation);
d38eb334
DD
3892 bfd_set_error (bfd_error_bad_value);
3893 return FALSE;
3894 }
3895 goto final_link_relocate;
3896
37c644f2
AO
3897 case R_SH_DIR32:
3898 case R_SH_REL32:
0e1862bb 3899 if (bfd_link_pic (info)
04e534c3 3900 && (h == NULL
6ee6e05a
L
3901 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3902 && !resolved_to_zero)
04e534c3 3903 || h->root.type != bfd_link_hash_undefweak)
cf35638d 3904 && r_symndx != STN_UNDEF
37c644f2 3905 && (input_section->flags & SEC_ALLOC) != 0
3348747a 3906 && !is_vxworks_tls
46e993b9 3907 && (r_type == R_SH_DIR32
3d85aebe 3908 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3909 {
3910 Elf_Internal_Rela outrel;
947216bf 3911 bfd_byte *loc;
b34976b6 3912 bfd_boolean skip, relocate;
37c644f2
AO
3913
3914 /* When generating a shared object, these relocations
3915 are copied into the output file to be resolved at run
3916 time. */
3917
3918 if (sreloc == NULL)
3919 {
83bac4b0
NC
3920 sreloc = _bfd_elf_get_dynamic_reloc_section
3921 (input_bfd, input_section, /*rela?*/ TRUE);
3922 if (sreloc == NULL)
b34976b6 3923 return FALSE;
37c644f2
AO
3924 }
3925
b34976b6
AM
3926 skip = FALSE;
3927 relocate = FALSE;
37c644f2 3928
c629eae0
JJ
3929 outrel.r_offset =
3930 _bfd_elf_section_offset (output_bfd, info, input_section,
3931 rel->r_offset);
3932 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 3933 skip = TRUE;
0bb2d96a 3934 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 3935 skip = TRUE, relocate = TRUE;
37c644f2
AO
3936 outrel.r_offset += (input_section->output_section->vma
3937 + input_section->output_offset);
3938
3939 if (skip)
0bb2d96a 3940 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
3941 else if (r_type == R_SH_REL32)
3942 {
3943 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 3944 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 3945 outrel.r_addend
55e6e397
RS
3946 = (howto->partial_inplace
3947 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3948 : addend);
37c644f2 3949 }
e0af1f53 3950 else if (fdpic_p
8e45593f
NC
3951 && (h == NULL
3952 || ((info->symbolic || h->dynindx == -1)
3953 && h->def_regular)))
3954 {
3955 int dynindx;
3956
3957 BFD_ASSERT (sec != NULL);
3958 BFD_ASSERT (sec->output_section != NULL);
3959 dynindx = elf_section_data (sec->output_section)->dynindx;
3960 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
3961 outrel.r_addend = relocation;
3962 outrel.r_addend
3963 += (howto->partial_inplace
3964 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3965 : addend);
3966 outrel.r_addend -= sec->output_section->vma;
3967 }
37c644f2
AO
3968 else
3969 {
3970 /* h->dynindx may be -1 if this symbol was marked to
3971 become local. */
3972 if (h == NULL
3973 || ((info->symbolic || h->dynindx == -1)
f5385ebf 3974 && h->def_regular))
37c644f2 3975 {
55e6e397 3976 relocate = howto->partial_inplace;
37c644f2 3977 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
3978 }
3979 else
3980 {
3981 BFD_ASSERT (h->dynindx != -1);
37c644f2 3982 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 3983 }
55e6e397
RS
3984 outrel.r_addend = relocation;
3985 outrel.r_addend
3986 += (howto->partial_inplace
3987 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3988 : addend);
37c644f2
AO
3989 }
3990
947216bf
AM
3991 loc = sreloc->contents;
3992 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3993 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 3994
8e45593f
NC
3995 check_segment[0] = check_segment[1] = -1;
3996
37c644f2
AO
3997 /* If this reloc is against an external symbol, we do
3998 not want to fiddle with the addend. Otherwise, we
3999 need to include the symbol value so that it becomes
4000 an addend for the dynamic reloc. */
4001 if (! relocate)
4002 continue;
4003 }
0e1862bb 4004 else if (fdpic_p && !bfd_link_pic (info)
8e45593f
NC
4005 && r_type == R_SH_DIR32
4006 && (input_section->flags & SEC_ALLOC) != 0)
4007 {
4008 bfd_vma offset;
4009
e0af1f53
MR
4010 BFD_ASSERT (htab);
4011
8e45593f
NC
4012 if (sh_elf_osec_readonly_p (output_bfd,
4013 input_section->output_section))
4014 {
4eca0228 4015 _bfd_error_handler
695344c0 4016 /* xgettext:c-format */
2dcf00ce
AM
4017 (_("%pB(%pA+%#" PRIx64 "): "
4018 "cannot emit fixup to `%s' in read-only section"),
8e45593f
NC
4019 input_bfd,
4020 input_section,
2dcf00ce 4021 (uint64_t) rel->r_offset,
8e45593f
NC
4022 symname);
4023 return FALSE;
4024 }
4025
4026 offset = _bfd_elf_section_offset (output_bfd, info,
4027 input_section, rel->r_offset);
4028 if (offset != (bfd_vma)-1)
4029 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4030 input_section->output_section->vma
4031 + input_section->output_offset
4032 + rel->r_offset);
4033
4034 check_segment[0] = check_segment[1] = -1;
4035 }
a6f713fc
KK
4036 /* We don't want warnings for non-NULL tests on undefined weak
4037 symbols. */
4038 else if (r_type == R_SH_REL32
4039 && h
1b786873 4040 && h->root.type == bfd_link_hash_undefweak)
a6f713fc 4041 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4042 goto final_link_relocate;
4043
fbca6ad9 4044 case R_SH_GOTPLT32:
fbca6ad9
AO
4045 /* Relocation is to the entry for this symbol in the
4046 procedure linkage table. */
4047
4048 if (h == NULL
f5385ebf 4049 || h->forced_local
0e1862bb 4050 || ! bfd_link_pic (info)
fbca6ad9
AO
4051 || info->symbolic
4052 || h->dynindx == -1
4053 || h->plt.offset == (bfd_vma) -1
4054 || h->got.offset != (bfd_vma) -1)
4055 goto force_got;
4056
4057 /* Relocation is to the entry for this symbol in the global
4058 offset table extension for the procedure linkage table. */
fbca6ad9 4059
e0af1f53 4060 BFD_ASSERT (htab);
067653c5 4061 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 4062 relocation = (sgotplt->output_offset
55e6e397
RS
4063 + (get_plt_index (htab->plt_info, h->plt.offset)
4064 + 3) * 4);
fbca6ad9
AO
4065
4066#ifdef GOT_BIAS
4067 relocation -= GOT_BIAS;
4068#endif
4069
4070 goto final_link_relocate;
4071
4072 force_got:
37c644f2 4073 case R_SH_GOT32:
8e45593f 4074 case R_SH_GOT20:
37c644f2
AO
4075 /* Relocation is to the entry for this symbol in the global
4076 offset table. */
067653c5 4077
e0af1f53 4078 BFD_ASSERT (htab);
067653c5 4079 BFD_ASSERT (sgot != NULL);
8e45593f 4080 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4081
4082 if (h != NULL)
4083 {
b34976b6 4084 bfd_boolean dyn;
37c644f2
AO
4085
4086 off = h->got.offset;
4087 BFD_ASSERT (off != (bfd_vma) -1);
4088
067653c5 4089 dyn = htab->root.dynamic_sections_created;
0e1862bb
L
4090 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
4091 bfd_link_pic (info),
4092 h)
4093 || (bfd_link_pic (info)
3d85aebe 4094 && SYMBOL_REFERENCES_LOCAL (info, h))
6ee6e05a
L
4095 || ((ELF_ST_VISIBILITY (h->other)
4096 || resolved_to_zero)
04e534c3 4097 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
4098 {
4099 /* This is actually a static link, or it is a
4100 -Bsymbolic link and the symbol is defined
4101 locally, or the symbol was forced to be local
4102 because of a version file. We must initialize
4103 this entry in the global offset table. Since the
4104 offset must always be a multiple of 4, we use the
4105 least significant bit to record whether we have
4106 initialized it already.
4107
4108 When doing a dynamic link, we create a .rela.got
4109 relocation entry to initialize the value. This
4110 is done in the finish_dynamic_symbol routine. */
4111 if ((off & 1) != 0)
4112 off &= ~1;
4113 else
4114 {
4115 bfd_put_32 (output_bfd, relocation,
4116 sgot->contents + off);
211dc24b 4117 h->got.offset |= 1;
8e45593f
NC
4118
4119 /* If we initialize the GOT entry here with a valid
4120 symbol address, also add a fixup. */
0e1862bb 4121 if (fdpic_p && !bfd_link_pic (info)
8e45593f
NC
4122 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4123 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4124 || h->root.type != bfd_link_hash_undefweak))
4125 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4126 sgot->output_section->vma
4127 + sgot->output_offset
4128 + off);
37c644f2
AO
4129 }
4130 }
4131
8e45593f 4132 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4133 }
4134 else
4135 {
37c644f2
AO
4136 BFD_ASSERT (local_got_offsets != NULL
4137 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4138
4139 off = local_got_offsets[r_symndx];
4140
4141 /* The offset must always be a multiple of 4. We use
4142 the least significant bit to record whether we have
4143 already generated the necessary reloc. */
4144 if ((off & 1) != 0)
4145 off &= ~1;
4146 else
4147 {
4148 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4149
0e1862bb 4150 if (bfd_link_pic (info))
37c644f2 4151 {
37c644f2 4152 Elf_Internal_Rela outrel;
947216bf 4153 bfd_byte *loc;
37c644f2 4154
37c644f2
AO
4155 outrel.r_offset = (sgot->output_section->vma
4156 + sgot->output_offset
4157 + off);
e0af1f53 4158 if (fdpic_p)
8e45593f
NC
4159 {
4160 int dynindx
4161 = elf_section_data (sec->output_section)->dynindx;
4162 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4163 outrel.r_addend = relocation;
4164 outrel.r_addend -= sec->output_section->vma;
4165 }
4166 else
4167 {
4168 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4169 outrel.r_addend = relocation;
4170 }
947216bf
AM
4171 loc = srelgot->contents;
4172 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4173 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4174 }
e0af1f53 4175 else if (fdpic_p
8e45593f
NC
4176 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4177 == GOT_NORMAL))
4178 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4179 sgot->output_section->vma
4180 + sgot->output_offset
4181 + off);
37c644f2 4182
211dc24b 4183 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
4184 }
4185
8e45593f 4186 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4187 }
4188
fbca6ad9 4189#ifdef GOT_BIAS
067653c5 4190 relocation -= GOT_BIAS;
fbca6ad9
AO
4191#endif
4192
8e45593f
NC
4193 if (r_type == R_SH_GOT20)
4194 {
4195 r = install_movi20_field (output_bfd, relocation + addend,
4196 input_bfd, input_section, contents,
4197 rel->r_offset);
4198 break;
4199 }
4200 else
4201 goto final_link_relocate;
37c644f2
AO
4202
4203 case R_SH_GOTOFF:
8e45593f 4204 case R_SH_GOTOFF20:
8e45593f
NC
4205 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4206 we place at the start of the .got.plt section. This is the same
4207 as the start of the output .got section, unless there are function
4208 descriptors in front of it. */
e0af1f53 4209 BFD_ASSERT (htab);
8e45593f
NC
4210 BFD_ASSERT (sgotplt != NULL);
4211 check_segment[0] = got_segment;
4212 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4213 + htab->root.hgot->root.u.def.value;
37c644f2 4214
fbca6ad9
AO
4215#ifdef GOT_BIAS
4216 relocation -= GOT_BIAS;
4217#endif
4218
4219 addend = rel->r_addend;
4220
8e45593f
NC
4221 if (r_type == R_SH_GOTOFF20)
4222 {
4223 r = install_movi20_field (output_bfd, relocation + addend,
4224 input_bfd, input_section, contents,
4225 rel->r_offset);
4226 break;
4227 }
4228 else
4229 goto final_link_relocate;
37c644f2
AO
4230
4231 case R_SH_GOTPC:
4232 /* Use global offset table as symbol value. */
4233
8e45593f
NC
4234 BFD_ASSERT (sgotplt != NULL);
4235 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
37c644f2 4236
fbca6ad9
AO
4237#ifdef GOT_BIAS
4238 relocation += GOT_BIAS;
4239#endif
4240
4241 addend = rel->r_addend;
4242
37c644f2
AO
4243 goto final_link_relocate;
4244
4245 case R_SH_PLT32:
4246 /* Relocation is to the entry for this symbol in the
4247 procedure linkage table. */
4248
4249 /* Resolve a PLT reloc against a local symbol directly,
4250 without using the procedure linkage table. */
4251 if (h == NULL)
4252 goto final_link_relocate;
4253
8e45593f
NC
4254 /* We don't want to warn on calls to undefined weak symbols,
4255 as calls to them must be protected by non-NULL tests
4256 anyway, and unprotected calls would invoke undefined
4257 behavior. */
4258 if (h->root.type == bfd_link_hash_undefweak)
4259 check_segment[0] = check_segment[1] = -1;
4260
f5385ebf 4261 if (h->forced_local)
37c644f2
AO
4262 goto final_link_relocate;
4263
4264 if (h->plt.offset == (bfd_vma) -1)
4265 {
4266 /* We didn't make a PLT entry for this symbol. This
4267 happens when statically linking PIC code, or when
4268 using -Bsymbolic. */
4269 goto final_link_relocate;
4270 }
4271
067653c5 4272 BFD_ASSERT (splt != NULL);
8e45593f 4273 check_segment[1] = plt_segment;
37c644f2
AO
4274 relocation = (splt->output_section->vma
4275 + splt->output_offset
4276 + h->plt.offset);
4277
fbca6ad9
AO
4278 addend = rel->r_addend;
4279
37c644f2
AO
4280 goto final_link_relocate;
4281
8e45593f
NC
4282 /* Relocation is to the canonical function descriptor for this
4283 symbol, possibly via the GOT. Initialize the GOT
4284 entry and function descriptor if necessary. */
4285 case R_SH_GOTFUNCDESC:
4286 case R_SH_GOTFUNCDESC20:
4287 case R_SH_FUNCDESC:
4288 {
4289 int dynindx = -1;
4290 asection *reloc_section;
4291 bfd_vma reloc_offset;
4292 int reloc_type = R_SH_FUNCDESC;
4293
e0af1f53
MR
4294 BFD_ASSERT (htab);
4295
8e45593f
NC
4296 check_segment[0] = check_segment[1] = -1;
4297
4298 /* FIXME: See what FRV does for global symbols in the
4299 executable, with --export-dynamic. Do they need ld.so
4300 to allocate official descriptors? See what this code
4301 does. */
4302
4303 relocation = 0;
4304 addend = 0;
4305
4306 if (r_type == R_SH_FUNCDESC)
4307 {
4308 reloc_section = input_section;
4309 reloc_offset = rel->r_offset;
4310 }
4311 else
4312 {
e0af1f53 4313 reloc_section = sgot;
8e45593f
NC
4314
4315 if (h != NULL)
4316 reloc_offset = h->got.offset;
4317 else
4318 {
4319 BFD_ASSERT (local_got_offsets != NULL);
4320 reloc_offset = local_got_offsets[r_symndx];
4321 }
4322 BFD_ASSERT (reloc_offset != MINUS_ONE);
4323
4324 if (reloc_offset & 1)
4325 {
4326 reloc_offset &= ~1;
4327 goto funcdesc_done_got;
4328 }
4329 }
4330
4331 if (h && h->root.type == bfd_link_hash_undefweak
4332 && (SYMBOL_CALLS_LOCAL (info, h)
4333 || !htab->root.dynamic_sections_created))
4334 /* Undefined weak symbol which will not be dynamically
4335 resolved later; leave it at zero. */
4336 goto funcdesc_leave_zero;
4337 else if (SYMBOL_CALLS_LOCAL (info, h)
4338 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4339 {
4340 /* If the symbol needs a non-local function descriptor
4341 but binds locally (i.e., its visibility is
4342 protected), emit a dynamic relocation decayed to
4343 section+offset. This is an optimization; the dynamic
4344 linker would resolve our function descriptor request
4345 to our copy of the function anyway. */
4346 dynindx = elf_section_data (h->root.u.def.section
4347 ->output_section)->dynindx;
4348 relocation += h->root.u.def.section->output_offset
4349 + h->root.u.def.value;
4350 }
4351 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4352 {
4353 /* If the symbol is dynamic and there will be dynamic
4354 symbol resolution because we are or are linked with a
4355 shared library, emit a FUNCDESC relocation such that
4356 the dynamic linker will allocate the function
4357 descriptor. */
4358 BFD_ASSERT (h->dynindx != -1);
4359 dynindx = h->dynindx;
4360 }
4361 else
4362 {
4363 bfd_vma offset;
4364
4365 /* Otherwise, we know we have a private function
4366 descriptor, so reference it directly. */
4367 reloc_type = R_SH_DIR32;
4368 dynindx = elf_section_data (htab->sfuncdesc
4369 ->output_section)->dynindx;
4370
4371 if (h)
4372 {
4373 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4374 BFD_ASSERT (offset != MINUS_ONE);
4375 if ((offset & 1) == 0)
4376 {
4377 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4378 offset, NULL, 0))
4379 return FALSE;
4380 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4381 }
4382 }
4383 else
4384 {
4385 union gotref *local_funcdesc;
4386
4387 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4388 offset = local_funcdesc[r_symndx].offset;
4389 BFD_ASSERT (offset != MINUS_ONE);
4390 if ((offset & 1) == 0)
4391 {
4392 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4393 offset, sec,
4394 sym->st_value))
4395 return FALSE;
4396 local_funcdesc[r_symndx].offset |= 1;
4397 }
4398 }
4399
4400 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4401 }
4402
0e1862bb 4403 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
4404 {
4405 bfd_vma offset;
4406
4407 if (sh_elf_osec_readonly_p (output_bfd,
4408 reloc_section->output_section))
4409 {
4eca0228 4410 _bfd_error_handler
695344c0 4411 /* xgettext:c-format */
2dcf00ce
AM
4412 (_("%pB(%pA+%#" PRIx64 "): "
4413 "cannot emit fixup to `%s' in read-only section"),
8e45593f
NC
4414 input_bfd,
4415 input_section,
2dcf00ce 4416 (uint64_t) rel->r_offset,
8e45593f
NC
4417 symname);
4418 return FALSE;
4419 }
4420
4421 offset = _bfd_elf_section_offset (output_bfd, info,
4422 reloc_section, reloc_offset);
4423
4424 if (offset != (bfd_vma)-1)
4425 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4426 offset
4427 + reloc_section->output_section->vma
4428 + reloc_section->output_offset);
4429 }
4430 else if ((reloc_section->output_section->flags
4431 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
4432 {
4433 bfd_vma offset;
4434
4435 if (sh_elf_osec_readonly_p (output_bfd,
4436 reloc_section->output_section))
4437 {
4438 info->callbacks->warning
4439 (info,
4440 _("cannot emit dynamic relocations in read-only section"),
4441 symname, input_bfd, reloc_section, reloc_offset);
4442 return FALSE;
4443 }
4444
8e45593f
NC
4445 offset = _bfd_elf_section_offset (output_bfd, info,
4446 reloc_section, reloc_offset);
4447
4448 if (offset != (bfd_vma)-1)
4449 sh_elf_add_dyn_reloc (output_bfd, srelgot,
4450 offset
4451 + reloc_section->output_section->vma
4452 + reloc_section->output_offset,
4453 reloc_type, dynindx, relocation);
4454
4455 if (r_type == R_SH_FUNCDESC)
4456 {
4457 r = bfd_reloc_ok;
4458 break;
4459 }
4460 else
4461 {
4462 relocation = 0;
4463 goto funcdesc_leave_zero;
4464 }
4465 }
4466
4467 if (SYMBOL_FUNCDESC_LOCAL (info, h))
4468 relocation += htab->sfuncdesc->output_section->vma;
4469 funcdesc_leave_zero:
4470 if (r_type != R_SH_FUNCDESC)
4471 {
4472 bfd_put_32 (output_bfd, relocation,
4473 reloc_section->contents + reloc_offset);
4474 if (h != NULL)
4475 h->got.offset |= 1;
4476 else
4477 local_got_offsets[r_symndx] |= 1;
4478
4479 funcdesc_done_got:
4480
4481 relocation = sh_elf_got_offset (htab) + reloc_offset;
4482#ifdef GOT_BIAS
4483 relocation -= GOT_BIAS;
4484#endif
4485 }
4486 if (r_type == R_SH_GOTFUNCDESC20)
4487 {
4488 r = install_movi20_field (output_bfd, relocation + addend,
4489 input_bfd, input_section, contents,
4490 rel->r_offset);
4491 break;
4492 }
4493 else
4494 goto final_link_relocate;
4495 }
4496 break;
4497
4498 case R_SH_GOTOFFFUNCDESC:
4499 case R_SH_GOTOFFFUNCDESC20:
4500 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
4501 executable and --export-dynamic. If such symbols get
4502 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
4503 for them. */
e0af1f53 4504 BFD_ASSERT (htab);
8e45593f
NC
4505
4506 check_segment[0] = check_segment[1] = -1;
4507 relocation = 0;
4508 addend = rel->r_addend;
4509
4510 if (h && (h->root.type == bfd_link_hash_undefweak
4511 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
4512 {
4513 _bfd_error_handler
695344c0 4514 /* xgettext:c-format */
2dcf00ce
AM
4515 (_("%pB(%pA+%#" PRIx64 "): "
4516 "%s relocation against external symbol \"%s\""),
4517 input_bfd, input_section, (uint64_t) rel->r_offset,
4518 howto->name, h->root.root.string);
8e45593f
NC
4519 return FALSE;
4520 }
4521 else
4522 {
4523 bfd_vma offset;
4524
4525 /* Otherwise, we know we have a private function
4526 descriptor, so reference it directly. */
4527 if (h)
4528 {
4529 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4530 BFD_ASSERT (offset != MINUS_ONE);
4531 if ((offset & 1) == 0)
4532 {
4533 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4534 offset, NULL, 0))
4535 return FALSE;
4536 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4537 }
4538 }
4539 else
4540 {
4541 union gotref *local_funcdesc;
4542
4543 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4544 offset = local_funcdesc[r_symndx].offset;
4545 BFD_ASSERT (offset != MINUS_ONE);
4546 if ((offset & 1) == 0)
4547 {
4548 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4549 offset, sec,
4550 sym->st_value))
4551 return FALSE;
4552 local_funcdesc[r_symndx].offset |= 1;
4553 }
4554 }
4555
4556 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4557 }
4558
e0af1f53
MR
4559 relocation -= (htab->root.hgot->root.u.def.value
4560 + sgotplt->output_offset);
8e45593f
NC
4561#ifdef GOT_BIAS
4562 relocation -= GOT_BIAS;
4563#endif
4564
4565 if (r_type == R_SH_GOTOFFFUNCDESC20)
4566 {
4567 r = install_movi20_field (output_bfd, relocation + addend,
4568 input_bfd, input_section, contents,
4569 rel->r_offset);
4570 break;
4571 }
4572 else
4573 goto final_link_relocate;
4574
37c644f2
AO
4575 case R_SH_LOOP_START:
4576 {
4577 static bfd_vma start, end;
4578
4579 start = (relocation + rel->r_addend
4580 - (sec->output_section->vma + sec->output_offset));
4581 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
4582 rel->r_offset, sec, start, end);
4583 break;
4584
4585 case R_SH_LOOP_END:
4586 end = (relocation + rel->r_addend
4587 - (sec->output_section->vma + sec->output_offset));
4588 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
4589 rel->r_offset, sec, start, end);
4590 break;
4591 }
3376eaf5
KK
4592
4593 case R_SH_TLS_GD_32:
4594 case R_SH_TLS_IE_32:
e0af1f53 4595 BFD_ASSERT (htab);
8e45593f 4596 check_segment[0] = check_segment[1] = -1;
3376eaf5 4597 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
8e45593f 4598 got_type = GOT_UNKNOWN;
3376eaf5 4599 if (h == NULL && local_got_offsets)
8e45593f 4600 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
3376eaf5
KK
4601 else if (h != NULL)
4602 {
8e45593f 4603 got_type = sh_elf_hash_entry (h)->got_type;
0e1862bb 4604 if (! bfd_link_pic (info)
3376eaf5 4605 && (h->dynindx == -1
f5385ebf 4606 || h->def_regular))
267fb3c1 4607 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
4608 }
4609
8e45593f 4610 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
3376eaf5
KK
4611 r_type = R_SH_TLS_IE_32;
4612
4613 if (r_type == R_SH_TLS_LE_32)
4614 {
4615 bfd_vma offset;
4616 unsigned short insn;
3376eaf5
KK
4617
4618 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
4619 {
4620 /* GD->LE transition:
4621 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 4622 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
4623 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4624 We change it into:
4625 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4626 nop; nop; ...
4627 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4628
4629 offset = rel->r_offset;
a05b9f5e
NC
4630 if (offset < 16)
4631 {
4632 _bfd_error_handler
4633 /* xgettext:c-format */
4634 (_("%pB(%pA): offset in relocation for GD->LE translation is too small: %#" PRIx64),
4635 input_bfd, input_section, (uint64_t) offset);
4636 return FALSE;
4637 }
4638
3376eaf5
KK
4639 /* Size of GD instructions is 16 or 18. */
4640 offset -= 16;
4641 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4642 if ((insn & 0xff00) == 0xc700)
4643 {
4644 BFD_ASSERT (offset >= 2);
4645 offset -= 2;
4646 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4647 }
4648
a05b9f5e
NC
4649 if ((insn & 0xff00) != 0xd400)
4650 _bfd_error_handler
4651 /* xgettext:c-format */ /* The backslash is to prevent bogus trigraph detection. */
4652 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xd4?\?)"),
4653 input_bfd, input_section, (uint64_t) offset, (int) insn);
4654
3376eaf5 4655 insn = bfd_get_16 (input_bfd, contents + offset + 2);
a05b9f5e
NC
4656
4657 if ((insn & 0xff00) != 0xc700)
4658 _bfd_error_handler
4659 /* xgettext:c-format */
4660 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xc7?\?)"),
4661 input_bfd, input_section, (uint64_t) offset, (int) insn);
4662
3376eaf5 4663 insn = bfd_get_16 (input_bfd, contents + offset + 4);
a05b9f5e
NC
4664 if ((insn & 0xff00) != 0xd100)
4665 _bfd_error_handler
4666 /* xgettext:c-format */
4667 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xd1?\?)"),
4668 input_bfd, input_section, (uint64_t) offset, (int) insn);
4669
3376eaf5 4670 insn = bfd_get_16 (input_bfd, contents + offset + 6);
a05b9f5e
NC
4671 if (insn != 0x310c)
4672 _bfd_error_handler
4673 /* xgettext:c-format */
4674 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x310c)"),
4675 input_bfd, input_section, (uint64_t) offset, (int) insn);
4676
3376eaf5 4677 insn = bfd_get_16 (input_bfd, contents + offset + 8);
a05b9f5e
NC
4678 if (insn != 0x410b)
4679 _bfd_error_handler
4680 /* xgettext:c-format */
4681 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x410b)"),
4682 input_bfd, input_section, (uint64_t) offset, (int) insn);
4683
3376eaf5 4684 insn = bfd_get_16 (input_bfd, contents + offset + 10);
a05b9f5e
NC
4685 if (insn != 0x34cc)
4686 _bfd_error_handler
4687 /* xgettext:c-format */
4688 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x34cc)"),
4689 input_bfd, input_section, (uint64_t) offset, (int) insn);
3376eaf5
KK
4690
4691 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4692 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4693 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4694 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4695 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4696 }
4697 else
4698 {
91d6fa6a 4699 int target;
3376eaf5
KK
4700
4701 /* IE->LE transition:
a05b9f5e
NC
4702 mov.l 1f,r0;
4703 stc gbr,rN;
4704 mov.l @(r0,r12),rM;
4705 bra 2f;
4706 add ...;
4707 .align 2;
4708 1: x@GOTTPOFF;
4709 2:
3376eaf5 4710 We change it into:
a05b9f5e
NC
4711 mov.l .Ln,rM;
4712 stc gbr,rN;
4713 nop;
4714 ...;
4715 1: x@TPOFF;
4716 2:. */
3376eaf5
KK
4717
4718 offset = rel->r_offset;
a05b9f5e
NC
4719 if (offset < 16)
4720 {
4721 _bfd_error_handler
4722 /* xgettext:c-format */
4723 (_("%pB(%pA): offset in relocation for IE->LE translation is too small: %#" PRIx64),
4724 input_bfd, input_section, (uint64_t) offset);
4725 return FALSE;
4726 }
4727
3376eaf5
KK
4728 /* Size of IE instructions is 10 or 12. */
4729 offset -= 10;
4730 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4731 if ((insn & 0xf0ff) == 0x0012)
4732 {
4733 BFD_ASSERT (offset >= 2);
4734 offset -= 2;
4735 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4736 }
4737
a05b9f5e
NC
4738 if ((insn & 0xff00) != 0xd000)
4739 _bfd_error_handler
4740 /* xgettext:c-format */
4741 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0xd0??: mov.l)"),
4742 input_bfd, input_section, (uint64_t) offset, (int) insn);
4743
91d6fa6a 4744 target = insn & 0x00ff;
a05b9f5e 4745
3376eaf5 4746 insn = bfd_get_16 (input_bfd, contents + offset + 2);
a05b9f5e
NC
4747 if ((insn & 0xf0ff) != 0x0012)
4748 _bfd_error_handler
4749 /* xgettext:c-format */
4750 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x0?12: stc)"),
4751 input_bfd, input_section, (uint64_t) (offset + 2), (int) insn);
4752
3376eaf5 4753 insn = bfd_get_16 (input_bfd, contents + offset + 4);
a05b9f5e
NC
4754 if ((insn & 0xf0ff) != 0x00ce)
4755 _bfd_error_handler
4756 /* xgettext:c-format */
4757 (_("%pB(%pA+%#" PRIx64 "): unexpected instruction %#04X (expected 0x0?ce: mov.l)"),
4758 input_bfd, input_section, (uint64_t) (offset + 4), (int) insn);
4759
91d6fa6a 4760 insn = 0xd000 | (insn & 0x0f00) | target;
3376eaf5
KK
4761 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4762 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4763 }
4764
267fb3c1
KK
4765 bfd_put_32 (output_bfd, tpoff (info, relocation),
4766 contents + rel->r_offset);
3376eaf5
KK
4767 continue;
4768 }
4769
8e45593f 4770 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
4771 abort ();
4772
4773 if (h != NULL)
4774 off = h->got.offset;
4775 else
4776 {
4777 if (local_got_offsets == NULL)
4778 abort ();
4779
4780 off = local_got_offsets[r_symndx];
4781 }
4782
267fb3c1
KK
4783 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4784 if (r_type == R_SH_TLS_IE_32
4785 && ! htab->root.dynamic_sections_created)
4786 {
4787 off &= ~1;
4788 bfd_put_32 (output_bfd, tpoff (info, relocation),
4789 sgot->contents + off);
8e45593f 4790 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
267fb3c1
KK
4791 contents + rel->r_offset);
4792 continue;
4793 }
4794
3376eaf5
KK
4795 if ((off & 1) != 0)
4796 off &= ~1;
26e41594 4797 else
3376eaf5
KK
4798 {
4799 Elf_Internal_Rela outrel;
947216bf 4800 bfd_byte *loc;
3376eaf5
KK
4801 int dr_type, indx;
4802
3376eaf5
KK
4803 outrel.r_offset = (sgot->output_section->vma
4804 + sgot->output_offset + off);
4805
267fb3c1 4806 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
4807 indx = 0;
4808 else
4809 indx = h->dynindx;
267fb3c1 4810
3376eaf5
KK
4811 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4812 R_SH_TLS_TPOFF32);
4813 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4814 outrel.r_addend = relocation - dtpoff_base (info);
4815 else
4816 outrel.r_addend = 0;
4817 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
4818 loc = srelgot->contents;
4819 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4820 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4821
4822 if (r_type == R_SH_TLS_GD_32)
4823 {
4824 if (indx == 0)
4825 {
4826 bfd_put_32 (output_bfd,
4827 relocation - dtpoff_base (info),
4828 sgot->contents + off + 4);
4829 }
4830 else
4831 {
4832 outrel.r_info = ELF32_R_INFO (indx,
4833 R_SH_TLS_DTPOFF32);
4834 outrel.r_offset += 4;
4835 outrel.r_addend = 0;
4836 srelgot->reloc_count++;
947216bf
AM
4837 loc += sizeof (Elf32_External_Rela);
4838 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4839 }
4840 }
4841
4842 if (h != NULL)
4843 h->got.offset |= 1;
4844 else
4845 local_got_offsets[r_symndx] |= 1;
4846 }
4847
4848 if (off >= (bfd_vma) -2)
4849 abort ();
4850
4851 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
8e45593f 4852 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
4853 else
4854 {
4855 bfd_vma offset;
4856 unsigned short insn;
4857
4858 /* GD->IE transition:
4859 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4860 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4861 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4862 We change it into:
4863 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4864 nop; nop; bra 3f; nop; .align 2;
4865 1: .long x@TPOFF; 2:...; 3:. */
4866
4867 offset = rel->r_offset;
a05b9f5e
NC
4868 if (offset < 16)
4869 {
4870 _bfd_error_handler
4871 /* xgettext:c-format */
4872 (_("%pB(%pA): offset in relocation for GD->IE translation is too small: %#" PRIx64),
4873 input_bfd, input_section, (uint64_t) offset);
4874 return FALSE;
4875 }
4876
3376eaf5
KK
4877 /* Size of GD instructions is 16 or 18. */
4878 offset -= 16;
4879 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4880 if ((insn & 0xff00) == 0xc700)
4881 {
4882 BFD_ASSERT (offset >= 2);
4883 offset -= 2;
4884 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4885 }
4886
4887 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4888
4889 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4890 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4891
4892 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4893 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4894 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4895 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4896 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4897 BFD_ASSERT (insn == 0x310c);
4898 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4899 BFD_ASSERT (insn == 0x410b);
4900 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4901 BFD_ASSERT (insn == 0x34cc);
4902
4903 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4904 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4905 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4906 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4907 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4908
8e45593f 4909 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
3376eaf5
KK
4910 contents + rel->r_offset);
4911
4912 continue;
4913 }
4914
4915 addend = rel->r_addend;
4916
4917 goto final_link_relocate;
4918
4919 case R_SH_TLS_LD_32:
e0af1f53 4920 BFD_ASSERT (htab);
8e45593f 4921 check_segment[0] = check_segment[1] = -1;
0e1862bb 4922 if (! bfd_link_pic (info))
3376eaf5
KK
4923 {
4924 bfd_vma offset;
4925 unsigned short insn;
4926
4927 /* LD->LE transition:
4928 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4929 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4930 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4931 We change it into:
4932 stc gbr,r0; nop; nop; nop;
4933 nop; nop; bra 3f; ...; 3:. */
4934
4935 offset = rel->r_offset;
a05b9f5e
NC
4936 if (offset < 16)
4937 {
4938 _bfd_error_handler
4939 /* xgettext:c-format */
4940 (_("%pB(%pA): offset in relocation for LD->LE translation is too small: %#" PRIx64),
4941 input_bfd, input_section, (uint64_t) offset);
4942 return FALSE;
4943 }
4944
3376eaf5
KK
4945 /* Size of LD instructions is 16 or 18. */
4946 offset -= 16;
4947 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4948 if ((insn & 0xff00) == 0xc700)
4949 {
4950 BFD_ASSERT (offset >= 2);
4951 offset -= 2;
4952 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4953 }
4954
4955 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4956 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4957 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4958 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4959 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4960 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4961 BFD_ASSERT (insn == 0x310c);
4962 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4963 BFD_ASSERT (insn == 0x410b);
4964 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4965 BFD_ASSERT (insn == 0x34cc);
4966
4967 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
4968 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
4969 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4970 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4971 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4972 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4973
4974 continue;
4975 }
4976
8e45593f 4977 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
4978 abort ();
4979
4980 off = htab->tls_ldm_got.offset;
4981 if (off & 1)
4982 off &= ~1;
4983 else
4984 {
4985 Elf_Internal_Rela outrel;
947216bf 4986 bfd_byte *loc;
3376eaf5 4987
3376eaf5
KK
4988 outrel.r_offset = (sgot->output_section->vma
4989 + sgot->output_offset + off);
4990 outrel.r_addend = 0;
4991 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
4992 loc = srelgot->contents;
4993 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4994 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4995 htab->tls_ldm_got.offset |= 1;
4996 }
4997
8e45593f 4998 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
4999 addend = rel->r_addend;
5000
5001 goto final_link_relocate;
5002
5003 case R_SH_TLS_LDO_32:
8e45593f 5004 check_segment[0] = check_segment[1] = -1;
0e1862bb 5005 if (! bfd_link_pic (info))
267fb3c1 5006 relocation = tpoff (info, relocation);
3376eaf5
KK
5007 else
5008 relocation -= dtpoff_base (info);
5009
5010 addend = rel->r_addend;
5011 goto final_link_relocate;
5012
5013 case R_SH_TLS_LE_32:
5014 {
5015 int indx;
5016 Elf_Internal_Rela outrel;
947216bf 5017 bfd_byte *loc;
3376eaf5 5018
8e45593f
NC
5019 check_segment[0] = check_segment[1] = -1;
5020
3cbc1e5e 5021 if (!bfd_link_dll (info))
267fb3c1
KK
5022 {
5023 relocation = tpoff (info, relocation);
5024 addend = rel->r_addend;
5025 goto final_link_relocate;
5026 }
5027
3376eaf5
KK
5028 if (sreloc == NULL)
5029 {
83bac4b0
NC
5030 sreloc = _bfd_elf_get_dynamic_reloc_section
5031 (input_bfd, input_section, /*rela?*/ TRUE);
5032 if (sreloc == NULL)
b34976b6 5033 return FALSE;
3376eaf5
KK
5034 }
5035
267fb3c1
KK
5036 if (h == NULL || h->dynindx == -1)
5037 indx = 0;
5038 else
5039 indx = h->dynindx;
5040
3376eaf5
KK
5041 outrel.r_offset = (input_section->output_section->vma
5042 + input_section->output_offset
5043 + rel->r_offset);
5044 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5045 if (indx == 0)
5046 outrel.r_addend = relocation - dtpoff_base (info);
5047 else
5048 outrel.r_addend = 0;
3376eaf5 5049
947216bf
AM
5050 loc = sreloc->contents;
5051 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5052 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5053 continue;
5054 }
37c644f2
AO
5055 }
5056
146be91a 5057 relocation_done:
e0af1f53 5058 if (fdpic_p && check_segment[0] != (unsigned) -1
8e45593f
NC
5059 && check_segment[0] != check_segment[1])
5060 {
5061 /* We don't want duplicate errors for undefined symbols. */
5062 if (!h || h->root.type != bfd_link_hash_undefined)
5063 {
0e1862bb 5064 if (bfd_link_pic (info))
8e45593f
NC
5065 {
5066 info->callbacks->einfo
695344c0 5067 /* xgettext:c-format */
8e45593f
NC
5068 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5069 input_bfd, input_section, rel->r_offset, symname);
5070 return FALSE;
5071 }
5072 else
5073 info->callbacks->einfo
695344c0 5074 /* xgettext:c-format */
8e45593f
NC
5075 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5076 input_bfd, input_section, rel->r_offset, symname);
5077 }
5078
fbedb42d 5079 elf_elfheader (output_bfd)->e_flags |= EF_SH_PIC;
8e45593f
NC
5080 }
5081
37c644f2
AO
5082 if (r != bfd_reloc_ok)
5083 {
5084 switch (r)
5085 {
5086 default:
5087 case bfd_reloc_outofrange:
5088 abort ();
5089 case bfd_reloc_overflow:
5090 {
5091 const char *name;
5092
5093 if (h != NULL)
dfeffb9f 5094 name = NULL;
37c644f2
AO
5095 else
5096 {
252b5132
RH
5097 name = (bfd_elf_string_from_elf_section
5098 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5099 if (name == NULL)
b34976b6 5100 return FALSE;
252b5132 5101 if (*name == '\0')
fd361982 5102 name = bfd_section_name (sec);
252b5132 5103 }
1a72702b
AM
5104 (*info->callbacks->reloc_overflow)
5105 (info, (h ? &h->root : NULL), name, howto->name,
5106 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
252b5132
RH
5107 }
5108 break;
5109 }
5110 }
5111 }
5112
b34976b6 5113 return TRUE;
252b5132
RH
5114}
5115
5116/* This is a version of bfd_generic_get_relocated_section_contents
5117 which uses sh_elf_relocate_section. */
5118
5119static bfd_byte *
09fd220b
KK
5120sh_elf_get_relocated_section_contents (bfd *output_bfd,
5121 struct bfd_link_info *link_info,
5122 struct bfd_link_order *link_order,
5123 bfd_byte *data,
5124 bfd_boolean relocatable,
5125 asymbol **symbols)
252b5132
RH
5126{
5127 Elf_Internal_Shdr *symtab_hdr;
5128 asection *input_section = link_order->u.indirect.section;
5129 bfd *input_bfd = input_section->owner;
5130 asection **sections = NULL;
5131 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 5132 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
5133
5134 /* We only need to handle the case of relaxing, or of having a
5135 particular set of section contents, specially. */
1049f94e 5136 if (relocatable
252b5132
RH
5137 || elf_section_data (input_section)->this_hdr.contents == NULL)
5138 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5139 link_order, data,
1049f94e 5140 relocatable,
252b5132
RH
5141 symbols);
5142
0ffa91dd 5143 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
5144
5145 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 5146 (size_t) input_section->size);
252b5132
RH
5147
5148 if ((input_section->flags & SEC_RELOC) != 0
5149 && input_section->reloc_count > 0)
5150 {
252b5132 5151 asection **secpp;
6cdc0ccc 5152 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 5153 bfd_size_type amt;
252b5132 5154
45d6a902 5155 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 5156 (input_bfd, input_section, NULL,
b34976b6 5157 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
5158 if (internal_relocs == NULL)
5159 goto error_return;
5160
6cdc0ccc
AM
5161 if (symtab_hdr->sh_info != 0)
5162 {
5163 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5164 if (isymbuf == NULL)
5165 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5166 symtab_hdr->sh_info, 0,
5167 NULL, NULL, NULL);
5168 if (isymbuf == NULL)
5169 goto error_return;
5170 }
252b5132 5171
9ad5cbcf
AM
5172 amt = symtab_hdr->sh_info;
5173 amt *= sizeof (asection *);
5174 sections = (asection **) bfd_malloc (amt);
5175 if (sections == NULL && amt != 0)
252b5132
RH
5176 goto error_return;
5177
6cdc0ccc
AM
5178 isymend = isymbuf + symtab_hdr->sh_info;
5179 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
5180 {
5181 asection *isec;
5182
6cdc0ccc 5183 if (isym->st_shndx == SHN_UNDEF)
252b5132 5184 isec = bfd_und_section_ptr;
6cdc0ccc 5185 else if (isym->st_shndx == SHN_ABS)
252b5132 5186 isec = bfd_abs_section_ptr;
6cdc0ccc 5187 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
5188 isec = bfd_com_section_ptr;
5189 else
6cdc0ccc 5190 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
5191
5192 *secpp = isec;
5193 }
5194
5195 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5196 input_section, data, internal_relocs,
6cdc0ccc 5197 isymbuf, sections))
252b5132
RH
5198 goto error_return;
5199
c9594989
AM
5200 free (sections);
5201 if (symtab_hdr->contents != (unsigned char *) isymbuf)
6cdc0ccc
AM
5202 free (isymbuf);
5203 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 5204 free (internal_relocs);
252b5132
RH
5205 }
5206
5207 return data;
5208
5209 error_return:
c9594989
AM
5210 free (sections);
5211 if (symtab_hdr->contents != (unsigned char *) isymbuf)
6cdc0ccc 5212 free (isymbuf);
c9594989 5213 if (elf_section_data (input_section)->relocs != internal_relocs)
6cdc0ccc 5214 free (internal_relocs);
252b5132
RH
5215 return NULL;
5216}
917583ad 5217
3376eaf5
KK
5218/* Return the base VMA address which should be subtracted from real addresses
5219 when resolving @dtpoff relocation.
5220 This is PT_TLS segment p_vaddr. */
5221
5222static bfd_vma
09fd220b 5223dtpoff_base (struct bfd_link_info *info)
3376eaf5 5224{
e1918d23
AM
5225 /* If tls_sec is NULL, we should have signalled an error already. */
5226 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 5227 return 0;
e1918d23 5228 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
5229}
5230
267fb3c1
KK
5231/* Return the relocation value for R_SH_TLS_TPOFF32.. */
5232
5233static bfd_vma
09fd220b 5234tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 5235{
e1918d23
AM
5236 /* If tls_sec is NULL, we should have signalled an error already. */
5237 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
5238 return 0;
5239 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5240 structure which has 2 pointer fields. */
044ad7e3
KK
5241 return (address - elf_hash_table (info)->tls_sec->vma
5242 + align_power ((bfd_vma) 8,
5243 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
5244}
5245
252b5132 5246static asection *
09fd220b 5247sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
5248 struct bfd_link_info *info,
5249 Elf_Internal_Rela *rel,
5250 struct elf_link_hash_entry *h,
09fd220b 5251 Elf_Internal_Sym *sym)
252b5132
RH
5252{
5253 if (h != NULL)
07adf181
AM
5254 switch (ELF32_R_TYPE (rel->r_info))
5255 {
5256 case R_SH_GNU_VTINHERIT:
5257 case R_SH_GNU_VTENTRY:
5258 return NULL;
5259 }
9ad5cbcf 5260
07adf181 5261 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
5262}
5263
067653c5
AM
5264/* Copy the extra info we tack onto an elf_link_hash_entry. */
5265
5266static void
fcfa13d2 5267sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
5268 struct elf_link_hash_entry *dir,
5269 struct elf_link_hash_entry *ind)
067653c5
AM
5270{
5271 struct elf_sh_link_hash_entry *edir, *eind;
5272
5273 edir = (struct elf_sh_link_hash_entry *) dir;
5274 eind = (struct elf_sh_link_hash_entry *) ind;
5275
4989d792
SC
5276 edir->gotplt_refcount = eind->gotplt_refcount;
5277 eind->gotplt_refcount = 0;
8e45593f 5278 edir->funcdesc.refcount += eind->funcdesc.refcount;
68ffbac6 5279 eind->funcdesc.refcount = 0;
8e45593f 5280 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
68ffbac6 5281 eind->abs_funcdesc_refcount = 0;
067653c5 5282
3376eaf5
KK
5283 if (ind->root.type == bfd_link_hash_indirect
5284 && dir->got.refcount <= 0)
5285 {
8e45593f
NC
5286 edir->got_type = eind->got_type;
5287 eind->got_type = GOT_UNKNOWN;
3376eaf5
KK
5288 }
5289
04e534c3 5290 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
5291 && dir->dynamic_adjusted)
5292 {
5293 /* If called to transfer flags for a weakdef during processing
5294 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
5295 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
e81830c5
AM
5296 if (dir->versioned != versioned_hidden)
5297 dir->ref_dynamic |= ind->ref_dynamic;
f5385ebf
AM
5298 dir->ref_regular |= ind->ref_regular;
5299 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
5300 dir->needs_plt |= ind->needs_plt;
5301 }
04e534c3 5302 else
fcfa13d2 5303 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
5304}
5305
3376eaf5 5306static int
09fd220b
KK
5307sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
5308 int is_local)
3376eaf5 5309{
0e1862bb 5310 if (bfd_link_pic (info))
3376eaf5
KK
5311 return r_type;
5312
5313 switch (r_type)
5314 {
5315 case R_SH_TLS_GD_32:
5316 case R_SH_TLS_IE_32:
5317 if (is_local)
5318 return R_SH_TLS_LE_32;
5319 return R_SH_TLS_IE_32;
5320 case R_SH_TLS_LD_32:
5321 return R_SH_TLS_LE_32;
5322 }
5323
5324 return r_type;
5325}
5326
252b5132
RH
5327/* Look through the relocs for a section during the first phase.
5328 Since we don't do .gots or .plts, we just need to consider the
5329 virtual table relocs for gc. */
435b1e90 5330
b34976b6 5331static bfd_boolean
09fd220b
KK
5332sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
5333 const Elf_Internal_Rela *relocs)
252b5132
RH
5334{
5335 Elf_Internal_Shdr *symtab_hdr;
5582a088 5336 struct elf_link_hash_entry **sym_hashes;
067653c5 5337 struct elf_sh_link_hash_table *htab;
252b5132
RH
5338 const Elf_Internal_Rela *rel;
5339 const Elf_Internal_Rela *rel_end;
37c644f2 5340 asection *sreloc;
3376eaf5 5341 unsigned int r_type;
85e02784 5342 enum got_type got_type, old_got_type;
435b1e90 5343
37c644f2
AO
5344 sreloc = NULL;
5345
0e1862bb 5346 if (bfd_link_relocatable (info))
b34976b6 5347 return TRUE;
435b1e90 5348
0ffa91dd
NC
5349 BFD_ASSERT (is_sh_elf (abfd));
5350
5351 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 5352 sym_hashes = elf_sym_hashes (abfd);
435b1e90 5353
067653c5 5354 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
5355 if (htab == NULL)
5356 return FALSE;
5357
252b5132
RH
5358 rel_end = relocs + sec->reloc_count;
5359 for (rel = relocs; rel < rel_end; rel++)
5360 {
5361 struct elf_link_hash_entry *h;
5362 unsigned long r_symndx;
435b1e90 5363
252b5132 5364 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
5365 r_type = ELF32_R_TYPE (rel->r_info);
5366
252b5132 5367 if (r_symndx < symtab_hdr->sh_info)
435b1e90 5368 h = NULL;
252b5132 5369 else
396a6083
SC
5370 {
5371 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
5372 while (h->root.type == bfd_link_hash_indirect
5373 || h->root.type == bfd_link_hash_warning)
211dc24b 5374 h = (struct elf_link_hash_entry *) h->root.u.i.link;
396a6083 5375 }
435b1e90 5376
3376eaf5 5377 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
0e1862bb 5378 if (! bfd_link_pic (info)
3376eaf5
KK
5379 && r_type == R_SH_TLS_IE_32
5380 && h != NULL
5381 && h->root.type != bfd_link_hash_undefined
5382 && h->root.type != bfd_link_hash_undefweak
5383 && (h->dynindx == -1
f5385ebf 5384 || h->def_regular))
3376eaf5
KK
5385 r_type = R_SH_TLS_LE_32;
5386
8e45593f
NC
5387 if (htab->fdpic_p)
5388 switch (r_type)
5389 {
5390 case R_SH_GOTOFFFUNCDESC:
5391 case R_SH_GOTOFFFUNCDESC20:
5392 case R_SH_FUNCDESC:
5393 case R_SH_GOTFUNCDESC:
5394 case R_SH_GOTFUNCDESC20:
5395 if (h != NULL)
5396 {
5397 if (h->dynindx == -1)
5398 switch (ELF_ST_VISIBILITY (h->other))
5399 {
5400 case STV_INTERNAL:
5401 case STV_HIDDEN:
5402 break;
5403 default:
5404 bfd_elf_link_record_dynamic_symbol (info, h);
5405 break;
5406 }
5407 }
5408 break;
5409 }
5410
37c644f2 5411 /* Some relocs require a global offset table. */
ce558b89 5412 if (htab->root.sgot == NULL)
37c644f2 5413 {
3376eaf5 5414 switch (r_type)
37c644f2 5415 {
8e45593f
NC
5416 case R_SH_DIR32:
5417 /* This may require an rofixup. */
5418 if (!htab->fdpic_p)
5419 break;
1a0670f3 5420 /* Fall through. */
fbca6ad9 5421 case R_SH_GOTPLT32:
37c644f2 5422 case R_SH_GOT32:
8e45593f 5423 case R_SH_GOT20:
37c644f2 5424 case R_SH_GOTOFF:
8e45593f
NC
5425 case R_SH_GOTOFF20:
5426 case R_SH_FUNCDESC:
5427 case R_SH_GOTFUNCDESC:
5428 case R_SH_GOTFUNCDESC20:
5429 case R_SH_GOTOFFFUNCDESC:
5430 case R_SH_GOTOFFFUNCDESC20:
37c644f2 5431 case R_SH_GOTPC:
3376eaf5
KK
5432 case R_SH_TLS_GD_32:
5433 case R_SH_TLS_LD_32:
5434 case R_SH_TLS_IE_32:
8e45593f
NC
5435 if (htab->root.dynobj == NULL)
5436 htab->root.dynobj = abfd;
5437 if (!create_got_section (htab->root.dynobj, info))
5438 return FALSE;
37c644f2
AO
5439 break;
5440
5441 default:
5442 break;
5443 }
5444 }
5445
3376eaf5 5446 switch (r_type)
067653c5
AM
5447 {
5448 /* This relocation describes the C++ object vtable hierarchy.
5449 Reconstruct it for later use during GC. */
435b1e90 5450 case R_SH_GNU_VTINHERIT:
c152c796 5451 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 5452 return FALSE;
435b1e90
KH
5453 break;
5454
067653c5
AM
5455 /* This relocation describes which C++ vtable entries are actually
5456 used. Record for later use during GC. */
435b1e90 5457 case R_SH_GNU_VTENTRY:
a0ea3a14 5458 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 5459 return FALSE;
435b1e90 5460 break;
37c644f2 5461
3376eaf5 5462 case R_SH_TLS_IE_32:
0e1862bb 5463 if (bfd_link_pic (info))
3376eaf5
KK
5464 info->flags |= DF_STATIC_TLS;
5465
5466 /* FALLTHROUGH */
267fb3c1 5467 force_got:
3376eaf5 5468 case R_SH_TLS_GD_32:
37c644f2 5469 case R_SH_GOT32:
8e45593f 5470 case R_SH_GOT20:
8e45593f
NC
5471 case R_SH_GOTFUNCDESC:
5472 case R_SH_GOTFUNCDESC20:
3376eaf5
KK
5473 switch (r_type)
5474 {
5475 default:
8e45593f 5476 got_type = GOT_NORMAL;
3376eaf5
KK
5477 break;
5478 case R_SH_TLS_GD_32:
8e45593f 5479 got_type = GOT_TLS_GD;
3376eaf5
KK
5480 break;
5481 case R_SH_TLS_IE_32:
8e45593f
NC
5482 got_type = GOT_TLS_IE;
5483 break;
5484 case R_SH_GOTFUNCDESC:
5485 case R_SH_GOTFUNCDESC20:
5486 got_type = GOT_FUNCDESC;
3376eaf5
KK
5487 break;
5488 }
5489
37c644f2 5490 if (h != NULL)
3376eaf5 5491 {
211dc24b 5492 h->got.refcount += 1;
8e45593f 5493 old_got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5 5494 }
37c644f2
AO
5495 else
5496 {
067653c5
AM
5497 bfd_signed_vma *local_got_refcounts;
5498
435b1e90 5499 /* This is a global offset table entry for a local
067653c5
AM
5500 symbol. */
5501 local_got_refcounts = elf_local_got_refcounts (abfd);
5502 if (local_got_refcounts == NULL)
37c644f2 5503 {
dc810e39 5504 bfd_size_type size;
37c644f2 5505
dc810e39 5506 size = symtab_hdr->sh_info;
067653c5 5507 size *= sizeof (bfd_signed_vma);
3376eaf5 5508 size += symtab_hdr->sh_info;
067653c5
AM
5509 local_got_refcounts = ((bfd_signed_vma *)
5510 bfd_zalloc (abfd, size));
5511 if (local_got_refcounts == NULL)
b34976b6 5512 return FALSE;
067653c5 5513 elf_local_got_refcounts (abfd) = local_got_refcounts;
8e45593f 5514 sh_elf_local_got_type (abfd)
3376eaf5 5515 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
37c644f2 5516 }
211dc24b 5517 local_got_refcounts[r_symndx] += 1;
8e45593f 5518 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
3376eaf5
KK
5519 }
5520
5521 /* If a TLS symbol is accessed using IE at least once,
5522 there is no point to use dynamic model for it. */
8e45593f
NC
5523 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
5524 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
3376eaf5 5525 {
8e45593f
NC
5526 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
5527 got_type = GOT_TLS_IE;
3376eaf5
KK
5528 else
5529 {
8e45593f
NC
5530 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
5531 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
4eca0228 5532 _bfd_error_handler
695344c0 5533 /* xgettext:c-format */
871b3ab2 5534 (_("%pB: `%s' accessed both as normal and FDPIC symbol"),
8e45593f
NC
5535 abfd, h->root.root.string);
5536 else if (old_got_type == GOT_FUNCDESC
5537 || got_type == GOT_FUNCDESC)
4eca0228 5538 _bfd_error_handler
695344c0 5539 /* xgettext:c-format */
871b3ab2 5540 (_("%pB: `%s' accessed both as FDPIC and thread local symbol"),
8e45593f
NC
5541 abfd, h->root.root.string);
5542 else
4eca0228 5543 _bfd_error_handler
695344c0 5544 /* xgettext:c-format */
871b3ab2 5545 (_("%pB: `%s' accessed both as normal and thread local symbol"),
4eca0228 5546 abfd, h->root.root.string);
b34976b6 5547 return FALSE;
3376eaf5
KK
5548 }
5549 }
5550
8e45593f 5551 if (old_got_type != got_type)
3376eaf5
KK
5552 {
5553 if (h != NULL)
8e45593f 5554 sh_elf_hash_entry (h)->got_type = got_type;
3376eaf5 5555 else
8e45593f 5556 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
37c644f2 5557 }
3376eaf5
KK
5558
5559 break;
5560
5561 case R_SH_TLS_LD_32:
5562 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
5563 break;
5564
8e45593f
NC
5565 case R_SH_FUNCDESC:
5566 case R_SH_GOTOFFFUNCDESC:
5567 case R_SH_GOTOFFFUNCDESC20:
5568 if (rel->r_addend)
5569 {
4eca0228 5570 _bfd_error_handler
871b3ab2 5571 (_("%pB: Function descriptor relocation with non-zero addend"),
8e45593f
NC
5572 abfd);
5573 return FALSE;
5574 }
5575
5576 if (h == NULL)
5577 {
5578 union gotref *local_funcdesc;
5579
5580 /* We need a function descriptor for a local symbol. */
5581 local_funcdesc = sh_elf_local_funcdesc (abfd);
5582 if (local_funcdesc == NULL)
5583 {
5584 bfd_size_type size;
5585
5586 size = symtab_hdr->sh_info * sizeof (union gotref);
8e45593f
NC
5587 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
5588 if (local_funcdesc == NULL)
5589 return FALSE;
5590 sh_elf_local_funcdesc (abfd) = local_funcdesc;
5591 }
5592 local_funcdesc[r_symndx].refcount += 1;
5593
5594 if (r_type == R_SH_FUNCDESC)
5595 {
0e1862bb 5596 if (!bfd_link_pic (info))
8e45593f
NC
5597 htab->srofixup->size += 4;
5598 else
ce558b89 5599 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f
NC
5600 }
5601 }
5602 else
5603 {
5604 sh_elf_hash_entry (h)->funcdesc.refcount++;
5605 if (r_type == R_SH_FUNCDESC)
5606 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
5607
5608 /* If there is a function descriptor reference, then
5609 there should not be any non-FDPIC references. */
5610 old_got_type = sh_elf_hash_entry (h)->got_type;
5611 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
5612 {
5613 if (old_got_type == GOT_NORMAL)
4eca0228 5614 _bfd_error_handler
695344c0 5615 /* xgettext:c-format */
871b3ab2 5616 (_("%pB: `%s' accessed both as normal and FDPIC symbol"),
8e45593f
NC
5617 abfd, h->root.root.string);
5618 else
4eca0228 5619 _bfd_error_handler
695344c0 5620 /* xgettext:c-format */
871b3ab2 5621 (_("%pB: `%s' accessed both as FDPIC and thread local symbol"),
8e45593f
NC
5622 abfd, h->root.root.string);
5623 }
5624 }
5625 break;
5626
fbca6ad9 5627 case R_SH_GOTPLT32:
fbca6ad9
AO
5628 /* If this is a local symbol, we resolve it directly without
5629 creating a procedure linkage table entry. */
5630
5631 if (h == NULL
f5385ebf 5632 || h->forced_local
0e1862bb 5633 || ! bfd_link_pic (info)
fbca6ad9 5634 || info->symbolic
067653c5 5635 || h->dynindx == -1)
fbca6ad9
AO
5636 goto force_got;
5637
f5385ebf 5638 h->needs_plt = 1;
067653c5 5639 h->plt.refcount += 1;
4989d792 5640 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
5641
5642 break;
5643
37c644f2
AO
5644 case R_SH_PLT32:
5645 /* This symbol requires a procedure linkage table entry. We
5646 actually build the entry in adjust_dynamic_symbol,
5647 because this might be a case of linking PIC code which is
5648 never referenced by a dynamic object, in which case we
5649 don't need to generate a procedure linkage table entry
5650 after all. */
5651
5652 /* If this is a local symbol, we resolve it directly without
5653 creating a procedure linkage table entry. */
5654 if (h == NULL)
5655 continue;
5656
f5385ebf 5657 if (h->forced_local)
37c644f2
AO
5658 break;
5659
f5385ebf 5660 h->needs_plt = 1;
067653c5 5661 h->plt.refcount += 1;
37c644f2
AO
5662 break;
5663
5664 case R_SH_DIR32:
5665 case R_SH_REL32:
0e1862bb 5666 if (h != NULL && ! bfd_link_pic (info))
067653c5 5667 {
f5385ebf 5668 h->non_got_ref = 1;
067653c5
AM
5669 h->plt.refcount += 1;
5670 }
37c644f2
AO
5671
5672 /* If we are creating a shared library, and this is a reloc
5673 against a global symbol, or a non PC relative reloc
5674 against a local symbol, then we need to copy the reloc
5675 into the shared library. However, if we are linking with
5676 -Bsymbolic, we do not need to copy a reloc against a
5677 global symbol which is defined in an object we are
5678 including in the link (i.e., DEF_REGULAR is set). At
5679 this point we have not seen all the input files, so it is
5680 possible that DEF_REGULAR is not set now but will be set
5681 later (it is never cleared). We account for that
5682 possibility below by storing information in the
067653c5
AM
5683 dyn_relocs field of the hash table entry. A similar
5684 situation occurs when creating shared libraries and symbol
5685 visibility changes render the symbol local.
5686
5687 If on the other hand, we are creating an executable, we
5688 may need to keep relocations for symbols satisfied by a
5689 dynamic library if we manage to avoid copy relocs for the
5690 symbol. */
0e1862bb 5691 if ((bfd_link_pic (info)
067653c5 5692 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 5693 && (r_type != R_SH_REL32
067653c5
AM
5694 || (h != NULL
5695 && (! info->symbolic
5696 || h->root.type == bfd_link_hash_defweak
f5385ebf 5697 || !h->def_regular))))
0e1862bb 5698 || (! bfd_link_pic (info)
067653c5
AM
5699 && (sec->flags & SEC_ALLOC) != 0
5700 && h != NULL
5701 && (h->root.type == bfd_link_hash_defweak
f5385ebf 5702 || !h->def_regular)))
37c644f2 5703 {
3bf083ed
AM
5704 struct elf_dyn_relocs *p;
5705 struct elf_dyn_relocs **head;
067653c5 5706
2293c499
AM
5707 if (htab->root.dynobj == NULL)
5708 htab->root.dynobj = abfd;
067653c5 5709
37c644f2
AO
5710 /* When creating a shared object, we must copy these
5711 reloc types into the output file. We create a reloc
5712 section in dynobj and make room for this reloc. */
5713 if (sreloc == NULL)
5714 {
83bac4b0
NC
5715 sreloc = _bfd_elf_make_dynamic_reloc_section
5716 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 5717
37c644f2 5718 if (sreloc == NULL)
83bac4b0 5719 return FALSE;
37c644f2
AO
5720 }
5721
067653c5
AM
5722 /* If this is a global symbol, we count the number of
5723 relocations we need for this symbol. */
5724 if (h != NULL)
190eb1dd 5725 head = &h->dyn_relocs;
067653c5 5726 else
37c644f2 5727 {
87d72d41 5728 /* Track dynamic relocs needed for local syms too. */
067653c5 5729 asection *s;
6edfbbad 5730 void *vpp;
87d72d41 5731 Elf_Internal_Sym *isym;
37c644f2 5732
87d72d41
AM
5733 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
5734 abfd, r_symndx);
5735 if (isym == NULL)
b34976b6 5736 return FALSE;
37c644f2 5737
87d72d41
AM
5738 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
5739 if (s == NULL)
5740 s = sec;
5741
6edfbbad 5742 vpp = &elf_section_data (s)->local_dynrel;
3bf083ed 5743 head = (struct elf_dyn_relocs **) vpp;
067653c5 5744 }
37c644f2 5745
067653c5
AM
5746 p = *head;
5747 if (p == NULL || p->sec != sec)
5748 {
986f0783 5749 size_t amt = sizeof (*p);
2293c499 5750 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 5751 if (p == NULL)
b34976b6 5752 return FALSE;
067653c5
AM
5753 p->next = *head;
5754 *head = p;
5755 p->sec = sec;
5756 p->count = 0;
5757 p->pc_count = 0;
37c644f2 5758 }
067653c5
AM
5759
5760 p->count += 1;
211dc24b 5761 if (r_type == R_SH_REL32)
067653c5 5762 p->pc_count += 1;
37c644f2
AO
5763 }
5764
8e45593f
NC
5765 /* Allocate the fixup regardless of whether we need a relocation.
5766 If we end up generating the relocation, we'll unallocate the
5767 fixup. */
0e1862bb 5768 if (htab->fdpic_p && !bfd_link_pic (info)
8e45593f
NC
5769 && r_type == R_SH_DIR32
5770 && (sec->flags & SEC_ALLOC) != 0)
5771 htab->srofixup->size += 4;
37c644f2 5772 break;
3376eaf5
KK
5773
5774 case R_SH_TLS_LE_32:
3cbc1e5e 5775 if (bfd_link_dll (info))
3376eaf5 5776 {
4eca0228 5777 _bfd_error_handler
871b3ab2 5778 (_("%pB: TLS local exec code cannot be linked into shared objects"),
d003868e 5779 abfd);
b34976b6 5780 return FALSE;
3376eaf5
KK
5781 }
5782
267fb3c1 5783 break;
3376eaf5 5784
3376eaf5 5785 case R_SH_TLS_LDO_32:
267fb3c1 5786 /* Nothing to do. */
3376eaf5
KK
5787 break;
5788
5789 default:
5790 break;
435b1e90 5791 }
252b5132 5792 }
435b1e90 5793
b34976b6 5794 return TRUE;
252b5132
RH
5795}
5796
fbca6ad9 5797#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
5798static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5799
b34976b6 5800static bfd_boolean
09fd220b 5801sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 5802{
f6f9408f
JR
5803 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5804
f461bbd8 5805 if (flags >= ARRAY_SIZE (sh_ef_bfd_table))
f6f9408f
JR
5806 return FALSE;
5807
5808 if (sh_ef_bfd_table[flags] == 0)
5809 return FALSE;
68ffbac6 5810
f6f9408f 5811 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 5812
b34976b6 5813 return TRUE;
d4845d57 5814}
f6f9408f
JR
5815
5816
5817/* Reverse table lookup for sh_ef_bfd_table[].
5818 Given a bfd MACH value from archures.c
5819 return the equivalent ELF flags from the table.
5820 Return -1 if no match is found. */
5821
5822int
5823sh_elf_get_flags_from_mach (unsigned long mach)
5824{
4195f552 5825 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
68ffbac6 5826
f6f9408f
JR
5827 for (; i>0; i--)
5828 if (sh_ef_bfd_table[i] == mach)
5829 return i;
68ffbac6 5830
f6f9408f
JR
5831 /* shouldn't get here */
5832 BFD_FAIL();
5833
5834 return -1;
5835}
fbca6ad9 5836#endif /* not sh_elf_set_mach_from_flags */
d4845d57 5837
fbca6ad9 5838#ifndef sh_elf_copy_private_data
d4845d57 5839/* Copy backend specific data from one object module to another */
435b1e90 5840
b34976b6 5841static bfd_boolean
09fd220b 5842sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 5843{
0ffa91dd
NC
5844 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5845 return TRUE;
5846
e2349352
L
5847 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
5848 return FALSE;
5849
5850 return sh_elf_set_mach_from_flags (obfd);
d4845d57 5851}
fbca6ad9 5852#endif /* not sh_elf_copy_private_data */
d4845d57 5853
fbca6ad9 5854#ifndef sh_elf_merge_private_data
d4845d57 5855
f6f9408f
JR
5856/* This function returns the ELF architecture number that
5857 corresponds to the given arch_sh* flags. */
85fbca6a 5858
f6f9408f
JR
5859int
5860sh_find_elf_flags (unsigned int arch_set)
d4845d57 5861{
85fbca6a 5862 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 5863 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 5864
f6f9408f
JR
5865 return sh_elf_get_flags_from_mach (bfd_mach);
5866}
f6f9408f 5867
1047201f
AM
5868/* Merge the architecture type of two BFD files, such that the
5869 resultant architecture supports all the features required
5870 by the two input BFDs.
5871 If the input BFDs are multually incompatible - i.e. one uses
5872 DSP while the other uses FPU - or there is no known architecture
5873 that fits the requirements then an error is emitted. */
5874
5875static bfd_boolean
50e03d47 5876sh_merge_bfd_arch (bfd *ibfd, struct bfd_link_info *info)
1047201f 5877{
50e03d47 5878 bfd *obfd = info->output_bfd;
1047201f
AM
5879 unsigned int old_arch, new_arch, merged_arch;
5880
50e03d47 5881 if (! _bfd_generic_verify_endian_match (ibfd, info))
1047201f
AM
5882 return FALSE;
5883
5884 old_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (obfd));
5885 new_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (ibfd));
5886
5887 merged_arch = SH_MERGE_ARCH_SET (old_arch, new_arch);
5888
5889 if (!SH_VALID_CO_ARCH_SET (merged_arch))
5890 {
5891 _bfd_error_handler
695344c0 5892 /* xgettext:c-format */
871b3ab2 5893 (_("%pB: uses %s instructions while previous modules "
695344c0 5894 "use %s instructions"),
1047201f
AM
5895 ibfd,
5896 SH_ARCH_SET_HAS_DSP (new_arch) ? "dsp" : "floating point",
5897 SH_ARCH_SET_HAS_DSP (new_arch) ? "floating point" : "dsp");
5898 bfd_set_error (bfd_error_bad_value);
5899 return FALSE;
5900 }
5901 else if (!SH_VALID_ARCH_SET (merged_arch))
5902 {
5903 _bfd_error_handler
695344c0
NC
5904 /* xgettext:c-format */
5905 (_("internal error: merge of architecture '%s' with "
5906 "architecture '%s' produced unknown architecture"),
1047201f
AM
5907 bfd_printable_name (obfd),
5908 bfd_printable_name (ibfd));
5909 bfd_set_error (bfd_error_bad_value);
5910 return FALSE;
5911 }
5912
5913 bfd_default_set_arch_mach (obfd, bfd_arch_sh,
5914 sh_get_bfd_mach_from_arch_set (merged_arch));
5915
5916 return TRUE;
5917}
5918
f6f9408f
JR
5919/* This routine initialises the elf flags when required and
5920 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 5921
f6f9408f 5922static bfd_boolean
50e03d47 5923sh_elf_merge_private_data (bfd *ibfd, struct bfd_link_info *info)
f6f9408f 5924{
50e03d47 5925 bfd *obfd = info->output_bfd;
85fbca6a 5926
6b728d32
AM
5927 /* FIXME: What should be checked when linking shared libraries? */
5928 if ((ibfd->flags & DYNAMIC) != 0)
5929 return TRUE;
5930
0ffa91dd 5931 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 5932 return TRUE;
d4845d57
JR
5933
5934 if (! elf_flags_init (obfd))
5935 {
a39b79b9 5936 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 5937 elf_flags_init (obfd) = TRUE;
8e45593f 5938 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
f6f9408f 5939 sh_elf_set_mach_from_flags (obfd);
8e45593f 5940 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
fbedb42d 5941 elf_elfheader (obfd)->e_flags &= ~EF_SH_PIC;
d4845d57 5942 }
d4845d57 5943
50e03d47 5944 if (! sh_merge_bfd_arch (ibfd, info))
1d70c7fb 5945 {
871b3ab2 5946 _bfd_error_handler (_("%pB: uses instructions which are incompatible "
695344c0 5947 "with instructions used in previous modules"),
d003868e 5948 ibfd);
1d70c7fb
AO
5949 bfd_set_error (bfd_error_bad_value);
5950 return FALSE;
5951 }
f6f9408f 5952
8e45593f
NC
5953 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
5954 elf_elfheader (obfd)->e_flags |=
f6f9408f 5955 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
8e45593f
NC
5956
5957 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
5958 {
871b3ab2 5959 _bfd_error_handler (_("%pB: attempt to mix FDPIC and non-FDPIC objects"),
8e45593f
NC
5960 ibfd);
5961 bfd_set_error (bfd_error_bad_value);
5962 return FALSE;
5963 }
5964
f6f9408f 5965 return TRUE;
d4845d57 5966}
fbca6ad9 5967#endif /* not sh_elf_merge_private_data */
d4845d57 5968
3376eaf5
KK
5969/* Override the generic function because we need to store sh_elf_obj_tdata
5970 as the specific tdata. We set also the machine architecture from flags
5971 here. */
5972
b34976b6 5973static bfd_boolean
09fd220b 5974sh_elf_object_p (bfd *abfd)
3376eaf5 5975{
8e45593f
NC
5976 if (! sh_elf_set_mach_from_flags (abfd))
5977 return FALSE;
5978
5979 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
5980 == fdpic_object_p (abfd));
3376eaf5
KK
5981}
5982
37c644f2
AO
5983/* Finish up dynamic symbol handling. We set the contents of various
5984 dynamic sections here. */
5985
b34976b6 5986static bfd_boolean
09fd220b
KK
5987sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
5988 struct elf_link_hash_entry *h,
5989 Elf_Internal_Sym *sym)
37c644f2 5990{
067653c5 5991 struct elf_sh_link_hash_table *htab;
37c644f2 5992
067653c5 5993 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
5994 if (htab == NULL)
5995 return FALSE;
37c644f2
AO
5996
5997 if (h->plt.offset != (bfd_vma) -1)
5998 {
5999 asection *splt;
8e45593f
NC
6000 asection *sgotplt;
6001 asection *srelplt;
37c644f2
AO
6002
6003 bfd_vma plt_index;
6004 bfd_vma got_offset;
6005 Elf_Internal_Rela rel;
947216bf 6006 bfd_byte *loc;
8e45593f 6007 const struct elf_sh_plt_info *plt_info;
37c644f2
AO
6008
6009 /* This symbol has an entry in the procedure linkage table. Set
6010 it up. */
6011
6012 BFD_ASSERT (h->dynindx != -1);
6013
ce558b89
AM
6014 splt = htab->root.splt;
6015 sgotplt = htab->root.sgotplt;
6016 srelplt = htab->root.srelplt;
8e45593f 6017 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
37c644f2
AO
6018
6019 /* Get the index in the procedure linkage table which
6020 corresponds to this symbol. This is the index of this symbol
6021 in all the symbols for which we are making plt entries. The
6022 first entry in the procedure linkage table is reserved. */
55e6e397 6023 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2 6024
8e45593f
NC
6025 plt_info = htab->plt_info;
6026 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6027 plt_info = plt_info->short_plt;
6028
37c644f2 6029 /* Get the offset into the .got table of the entry that
8e45593f
NC
6030 corresponds to this function. */
6031 if (htab->fdpic_p)
6032 /* The offset must be relative to the GOT symbol, twelve bytes
6033 before the end of .got.plt. Each descriptor is eight
6034 bytes. */
6035 got_offset = plt_index * 8 + 12 - sgotplt->size;
6036 else
6037 /* Each .got entry is 4 bytes. The first three are
6038 reserved. */
6039 got_offset = (plt_index + 3) * 4;
37c644f2 6040
fbca6ad9 6041#ifdef GOT_BIAS
0e1862bb 6042 if (bfd_link_pic (info))
c8614e8e 6043 got_offset -= GOT_BIAS;
fbca6ad9
AO
6044#endif
6045
37c644f2 6046 /* Fill in the entry in the procedure linkage table. */
55e6e397 6047 memcpy (splt->contents + h->plt.offset,
8e45593f
NC
6048 plt_info->symbol_entry,
6049 plt_info->symbol_entry_size);
55e6e397 6050
0e1862bb 6051 if (bfd_link_pic (info) || htab->fdpic_p)
8e45593f
NC
6052 {
6053 if (plt_info->symbol_fields.got20)
6054 {
6055 bfd_reloc_status_type r;
6056 r = install_movi20_field (output_bfd, got_offset,
6057 splt->owner, splt, splt->contents,
6058 h->plt.offset
6059 + plt_info->symbol_fields.got_entry);
6060 BFD_ASSERT (r == bfd_reloc_ok);
6061 }
6062 else
6063 install_plt_field (output_bfd, FALSE, got_offset,
6064 (splt->contents
6065 + h->plt.offset
6066 + plt_info->symbol_fields.got_entry));
6067 }
55e6e397 6068 else
37c644f2 6069 {
8e45593f
NC
6070 BFD_ASSERT (!plt_info->symbol_fields.got20);
6071
55e6e397 6072 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6073 (sgotplt->output_section->vma
6074 + sgotplt->output_offset
fbca6ad9 6075 + got_offset),
55e6e397
RS
6076 (splt->contents
6077 + h->plt.offset
8e45593f 6078 + plt_info->symbol_fields.got_entry));
90c14f0c 6079 if (htab->root.target_os == is_vxworks)
37c644f2 6080 {
55e6e397
RS
6081 unsigned int reachable_plts, plts_per_4k;
6082 int distance;
6083
6084 /* Divide the PLT into groups. The first group contains
6085 REACHABLE_PLTS entries and the other groups contain
6086 PLTS_PER_4K entries. Entries in the first group can
6087 branch directly to .plt; those in later groups branch
6088 to the last element of the previous group. */
6089 /* ??? It would be better to create multiple copies of
6090 the common resolver stub. */
6091 reachable_plts = ((4096
8e45593f
NC
6092 - plt_info->plt0_entry_size
6093 - (plt_info->symbol_fields.plt + 4))
6094 / plt_info->symbol_entry_size) + 1;
6095 plts_per_4k = (4096 / plt_info->symbol_entry_size);
55e6e397
RS
6096 if (plt_index < reachable_plts)
6097 distance = -(h->plt.offset
8e45593f 6098 + plt_info->symbol_fields.plt);
55e6e397
RS
6099 else
6100 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
8e45593f 6101 * plt_info->symbol_entry_size);
55e6e397
RS
6102
6103 /* Install the 'bra' with this offset. */
6104 bfd_put_16 (output_bfd,
6105 0xa000 | (0x0fff & ((distance - 4) / 2)),
6106 (splt->contents
6107 + h->plt.offset
8e45593f 6108 + plt_info->symbol_fields.plt));
37c644f2 6109 }
55e6e397
RS
6110 else
6111 install_plt_field (output_bfd, TRUE,
6112 splt->output_section->vma + splt->output_offset,
6113 (splt->contents
6114 + h->plt.offset
8e45593f 6115 + plt_info->symbol_fields.plt));
37c644f2
AO
6116 }
6117
8e45593f 6118 /* Make got_offset relative to the start of .got.plt. */
fbca6ad9 6119#ifdef GOT_BIAS
0e1862bb 6120 if (bfd_link_pic (info))
c8614e8e 6121 got_offset += GOT_BIAS;
fbca6ad9 6122#endif
8e45593f
NC
6123 if (htab->fdpic_p)
6124 got_offset = plt_index * 8;
fbca6ad9 6125
8e45593f
NC
6126 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6127 install_plt_field (output_bfd, FALSE,
6128 plt_index * sizeof (Elf32_External_Rela),
6129 (splt->contents
6130 + h->plt.offset
6131 + plt_info->symbol_fields.reloc_offset));
37c644f2
AO
6132
6133 /* Fill in the entry in the global offset table. */
6134 bfd_put_32 (output_bfd,
6135 (splt->output_section->vma
6136 + splt->output_offset
6137 + h->plt.offset
8e45593f
NC
6138 + plt_info->symbol_resolve_offset),
6139 sgotplt->contents + got_offset);
6140 if (htab->fdpic_p)
6141 bfd_put_32 (output_bfd,
ce558b89 6142 sh_elf_osec_to_segment (output_bfd, splt->output_section),
8e45593f 6143 sgotplt->contents + got_offset + 4);
37c644f2
AO
6144
6145 /* Fill in the entry in the .rela.plt section. */
8e45593f
NC
6146 rel.r_offset = (sgotplt->output_section->vma
6147 + sgotplt->output_offset
37c644f2 6148 + got_offset);
8e45593f
NC
6149 if (htab->fdpic_p)
6150 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6151 else
6152 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
37c644f2 6153 rel.r_addend = 0;
fbca6ad9
AO
6154#ifdef GOT_BIAS
6155 rel.r_addend = GOT_BIAS;
6156#endif
8e45593f 6157 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
947216bf 6158 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 6159
90c14f0c 6160 if (htab->root.target_os == is_vxworks && !bfd_link_pic (info))
55e6e397
RS
6161 {
6162 /* Create the .rela.plt.unloaded relocations for this PLT entry.
6163 Begin by pointing LOC to the first such relocation. */
6164 loc = (htab->srelplt2->contents
6165 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
6166
6167 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
6168 for the PLT entry's pointer to the .got.plt entry. */
ce558b89
AM
6169 rel.r_offset = (splt->output_section->vma
6170 + splt->output_offset
55e6e397 6171 + h->plt.offset
8e45593f 6172 + plt_info->symbol_fields.got_entry);
55e6e397
RS
6173 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6174 rel.r_addend = got_offset;
6175 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6176 loc += sizeof (Elf32_External_Rela);
6177
6178 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
6179 the .got.plt entry, which initially points to .plt. */
8e45593f
NC
6180 rel.r_offset = (sgotplt->output_section->vma
6181 + sgotplt->output_offset
55e6e397
RS
6182 + got_offset);
6183 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
6184 rel.r_addend = 0;
6185 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6186 }
6187
f5385ebf 6188 if (!h->def_regular)
37c644f2
AO
6189 {
6190 /* Mark the symbol as undefined, rather than as defined in
6191 the .plt section. Leave the value alone. */
6192 sym->st_shndx = SHN_UNDEF;
6193 }
6194 }
6195
3376eaf5 6196 if (h->got.offset != (bfd_vma) -1
8e45593f
NC
6197 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
6198 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
6199 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
37c644f2
AO
6200 {
6201 asection *sgot;
8e45593f 6202 asection *srelgot;
37c644f2 6203 Elf_Internal_Rela rel;
947216bf 6204 bfd_byte *loc;
37c644f2
AO
6205
6206 /* This symbol has an entry in the global offset table. Set it
6207 up. */
6208
ce558b89
AM
6209 sgot = htab->root.sgot;
6210 srelgot = htab->root.srelgot;
8e45593f 6211 BFD_ASSERT (sgot != NULL && srelgot != NULL);
37c644f2
AO
6212
6213 rel.r_offset = (sgot->output_section->vma
6214 + sgot->output_offset
dc810e39 6215 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 6216
067653c5
AM
6217 /* If this is a static link, or it is a -Bsymbolic link and the
6218 symbol is defined locally or was forced to be local because
6219 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
6220 The entry in the global offset table will already have been
6221 initialized in the relocate_section function. */
0e1862bb 6222 if (bfd_link_pic (info)
3d85aebe 6223 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2 6224 {
8e45593f
NC
6225 if (htab->fdpic_p)
6226 {
6227 asection *sec = h->root.u.def.section;
6228 int dynindx
6229 = elf_section_data (sec->output_section)->dynindx;
6230
6231 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6232 rel.r_addend = (h->root.u.def.value
6233 + h->root.u.def.section->output_offset);
6234 }
6235 else
6236 {
6237 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6238 rel.r_addend = (h->root.u.def.value
6239 + h->root.u.def.section->output_section->vma
6240 + h->root.u.def.section->output_offset);
6241 }
37c644f2
AO
6242 }
6243 else
6244 {
6245 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6246 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6247 rel.r_addend = 0;
6248 }
6249
8e45593f
NC
6250 loc = srelgot->contents;
6251 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 6252 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
6253 }
6254
f5385ebf 6255 if (h->needs_copy)
37c644f2
AO
6256 {
6257 asection *s;
6258 Elf_Internal_Rela rel;
947216bf 6259 bfd_byte *loc;
37c644f2
AO
6260
6261 /* This symbol needs a copy reloc. Set it up. */
6262
6263 BFD_ASSERT (h->dynindx != -1
6264 && (h->root.type == bfd_link_hash_defined
6265 || h->root.type == bfd_link_hash_defweak));
6266
3d4d4302 6267 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
37c644f2
AO
6268 BFD_ASSERT (s != NULL);
6269
6270 rel.r_offset = (h->root.u.def.value
6271 + h->root.u.def.section->output_section->vma
6272 + h->root.u.def.section->output_offset);
6273 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
6274 rel.r_addend = 0;
947216bf
AM
6275 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
6276 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
6277 }
6278
55e6e397
RS
6279 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
6280 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
6281 ".got" section. */
9637f6ef 6282 if (h == htab->root.hdynamic
90c14f0c 6283 || (htab->root.target_os != is_vxworks && h == htab->root.hgot))
37c644f2
AO
6284 sym->st_shndx = SHN_ABS;
6285
b34976b6 6286 return TRUE;
37c644f2
AO
6287}
6288
6289/* Finish up the dynamic sections. */
6290
b34976b6 6291static bfd_boolean
09fd220b 6292sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 6293{
067653c5 6294 struct elf_sh_link_hash_table *htab;
8e45593f 6295 asection *sgotplt;
37c644f2
AO
6296 asection *sdyn;
6297
067653c5 6298 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6299 if (htab == NULL)
6300 return FALSE;
6301
ce558b89 6302 sgotplt = htab->root.sgotplt;
3d4d4302 6303 sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
37c644f2 6304
067653c5 6305 if (htab->root.dynamic_sections_created)
37c644f2
AO
6306 {
6307 asection *splt;
6308 Elf32_External_Dyn *dyncon, *dynconend;
6309
8e45593f 6310 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
37c644f2
AO
6311
6312 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 6313 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
6314 for (; dyncon < dynconend; dyncon++)
6315 {
6316 Elf_Internal_Dyn dyn;
37c644f2
AO
6317 asection *s;
6318
2293c499 6319 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
6320
6321 switch (dyn.d_tag)
6322 {
6323 default:
90c14f0c 6324 if (htab->root.target_os == is_vxworks
7a2b07ff
NS
6325 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
6326 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
6327 break;
6328
6329 case DT_PLTGOT:
8e45593f
NC
6330 BFD_ASSERT (htab->root.hgot != NULL);
6331 s = htab->root.hgot->root.u.def.section;
6332 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
6333 + s->output_section->vma + s->output_offset;
6334 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6335 break;
37c644f2
AO
6336
6337 case DT_JMPREL:
ce558b89 6338 s = htab->root.srelplt->output_section;
37c644f2
AO
6339 BFD_ASSERT (s != NULL);
6340 dyn.d_un.d_ptr = s->vma;
6341 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6342 break;
6343
6344 case DT_PLTRELSZ:
ce558b89 6345 s = htab->root.srelplt->output_section;
37c644f2 6346 BFD_ASSERT (s != NULL);
eea6121a 6347 dyn.d_un.d_val = s->size;
37c644f2
AO
6348 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6349 break;
37c644f2
AO
6350 }
6351 }
6352
6353 /* Fill in the first entry in the procedure linkage table. */
ce558b89 6354 splt = htab->root.splt;
55e6e397 6355 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 6356 {
55e6e397
RS
6357 unsigned int i;
6358
6359 memcpy (splt->contents,
6360 htab->plt_info->plt0_entry,
6361 htab->plt_info->plt0_entry_size);
6362 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
6363 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
6364 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6365 (sgotplt->output_section->vma
6366 + sgotplt->output_offset
55e6e397
RS
6367 + (i * 4)),
6368 (splt->contents
6369 + htab->plt_info->plt0_got_fields[i]));
6370
90c14f0c 6371 if (htab->root.target_os == is_vxworks)
37c644f2 6372 {
55e6e397
RS
6373 /* Finalize the .rela.plt.unloaded contents. */
6374 Elf_Internal_Rela rel;
6375 bfd_byte *loc;
6376
6377 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
6378 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
6379 loc = htab->srelplt2->contents;
6380 rel.r_offset = (splt->output_section->vma
6381 + splt->output_offset
6382 + htab->plt_info->plt0_got_fields[2]);
6383 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6384 rel.r_addend = 8;
6385 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6386 loc += sizeof (Elf32_External_Rela);
6387
6388 /* Fix up the remaining .rela.plt.unloaded relocations.
6389 They may have the wrong symbol index for _G_O_T_ or
6390 _P_L_T_ depending on the order in which symbols were
6391 output. */
6392 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 6393 {
55e6e397
RS
6394 /* The PLT entry's pointer to the .got.plt slot. */
6395 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
6396 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
6397 R_SH_DIR32);
6398 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6399 loc += sizeof (Elf32_External_Rela);
6400
6401 /* The .got.plt slot's pointer to .plt. */
6402 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
6403 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
6404 R_SH_DIR32);
6405 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6406 loc += sizeof (Elf32_External_Rela);
37c644f2 6407 }
37c644f2
AO
6408 }
6409
6410 /* UnixWare sets the entsize of .plt to 4, although that doesn't
6411 really seem like the right value. */
6412 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
6413 }
6414 }
6415
6416 /* Fill in the first three entries in the global offset table. */
8e45593f 6417 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
37c644f2
AO
6418 {
6419 if (sdyn == NULL)
8e45593f 6420 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
37c644f2
AO
6421 else
6422 bfd_put_32 (output_bfd,
6423 sdyn->output_section->vma + sdyn->output_offset,
8e45593f
NC
6424 sgotplt->contents);
6425 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
6426 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
6427 }
37c644f2 6428
8e45593f
NC
6429 if (sgotplt && sgotplt->size > 0)
6430 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
68ffbac6 6431
8e45593f
NC
6432 /* At the very end of the .rofixup section is a pointer to the GOT. */
6433 if (htab->fdpic_p && htab->srofixup != NULL)
6434 {
6435 struct elf_link_hash_entry *hgot = htab->root.hgot;
6436 bfd_vma got_value = hgot->root.u.def.value
6437 + hgot->root.u.def.section->output_section->vma
6438 + hgot->root.u.def.section->output_offset;
6439
6440 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
6441
6442 /* Make sure we allocated and generated the same number of fixups. */
6443 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
067653c5 6444 }
37c644f2 6445
8e45593f
NC
6446 if (htab->srelfuncdesc)
6447 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
6448 == htab->srelfuncdesc->size);
6449
ce558b89
AM
6450 if (htab->root.srelgot)
6451 BFD_ASSERT (htab->root.srelgot->reloc_count * sizeof (Elf32_External_Rela)
6452 == htab->root.srelgot->size);
8e45593f 6453
b34976b6 6454 return TRUE;
37c644f2
AO
6455}
6456
99e4ae17 6457static enum elf_reloc_type_class
7e612e98
AM
6458sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
6459 const asection *rel_sec ATTRIBUTE_UNUSED,
6460 const Elf_Internal_Rela *rela)
99e4ae17 6461{
f51e552e 6462 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
6463 {
6464 case R_SH_RELATIVE:
6465 return reloc_class_relative;
6466 case R_SH_JMP_SLOT:
6467 return reloc_class_plt;
6468 case R_SH_COPY:
6469 return reloc_class_copy;
6470 default:
6471 return reloc_class_normal;
6472 }
6473}
6474
85fbca6a 6475#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 6476/* Support for Linux core dump NOTE sections. */
85fbca6a 6477
b34976b6 6478static bfd_boolean
09fd220b 6479elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
6480{
6481 int offset;
eea6121a 6482 unsigned int size;
2bc3c89a
AM
6483
6484 switch (note->descsz)
6485 {
6486 default:
b34976b6 6487 return FALSE;
2bc3c89a
AM
6488
6489 case 168: /* Linux/SH */
6490 /* pr_cursig */
228e534f 6491 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
2bc3c89a
AM
6492
6493 /* pr_pid */
228e534f 6494 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
2bc3c89a
AM
6495
6496 /* pr_reg */
6497 offset = 72;
eea6121a 6498 size = 92;
2bc3c89a
AM
6499
6500 break;
6501 }
6502
6503 /* Make a ".reg/999" section. */
6504 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 6505 size, note->descpos + offset);
2bc3c89a
AM
6506}
6507
b34976b6 6508static bfd_boolean
09fd220b 6509elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
6510{
6511 switch (note->descsz)
6512 {
6513 default:
b34976b6 6514 return FALSE;
2bc3c89a
AM
6515
6516 case 124: /* Linux/SH elf_prpsinfo */
228e534f 6517 elf_tdata (abfd)->core->program
2bc3c89a 6518 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 6519 elf_tdata (abfd)->core->command
2bc3c89a
AM
6520 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
6521 }
6522
6523 /* Note that for some reason, a spurious space is tacked
6524 onto the end of the args in some (at least one anyway)
6525 implementations, so strip it off if it exists. */
6526
6527 {
228e534f 6528 char *command = elf_tdata (abfd)->core->command;
2bc3c89a
AM
6529 int n = strlen (command);
6530
6531 if (0 < n && command[n - 1] == ' ')
6532 command[n - 1] = '\0';
6533 }
6534
b34976b6 6535 return TRUE;
2bc3c89a 6536}
85fbca6a 6537#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 6538
68ffbac6 6539
1f1799d5
KK
6540/* Return address for Ith PLT stub in section PLT, for relocation REL
6541 or (bfd_vma) -1 if it should not be included. */
6542
6543static bfd_vma
6544sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
6545 const arelent *rel ATTRIBUTE_UNUSED)
6546{
55e6e397
RS
6547 const struct elf_sh_plt_info *plt_info;
6548
6549 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
6550 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
6551}
6552
8e45593f
NC
6553/* Decide whether to attempt to turn absptr or lsda encodings in
6554 shared libraries into pcrel within the given input section. */
6555
6556static bfd_boolean
6557sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
6558 struct bfd_link_info *info,
6559 asection *eh_frame_section ATTRIBUTE_UNUSED)
6560{
6561 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
6562
6563 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
6564 if (htab->fdpic_p)
6565 return FALSE;
6566
6567 return TRUE;
6568}
6569
6570/* Adjust the contents of an eh_frame_hdr section before they're output. */
6571
6572static bfd_byte
6573sh_elf_encode_eh_address (bfd *abfd,
6574 struct bfd_link_info *info,
6575 asection *osec, bfd_vma offset,
6576 asection *loc_sec, bfd_vma loc_offset,
6577 bfd_vma *encoded)
6578{
6579 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
6580 struct elf_link_hash_entry *h;
6581
6582 if (!htab->fdpic_p)
6583 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
6584 loc_offset, encoded);
6585
6586 h = htab->root.hgot;
6587 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
6588
6589 if (! h || (sh_elf_osec_to_segment (abfd, osec)
6590 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
6591 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
6592 loc_sec, loc_offset, encoded);
6593
6594 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
6595 == (sh_elf_osec_to_segment
6596 (abfd, h->root.u.def.section->output_section)));
6597
6598 *encoded = osec->vma + offset
6599 - (h->root.u.def.value
6600 + h->root.u.def.section->output_section->vma
6601 + h->root.u.def.section->output_offset);
6602
6603 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
6604}
6605
85fbca6a 6606#if !defined SH_TARGET_ALREADY_DEFINED
6d00b590 6607#define TARGET_BIG_SYM sh_elf32_vec
252b5132 6608#define TARGET_BIG_NAME "elf32-sh"
6d00b590 6609#define TARGET_LITTLE_SYM sh_elf32_le_vec
252b5132 6610#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
6611#endif
6612
252b5132 6613#define ELF_ARCH bfd_arch_sh
ae95ffa6 6614#define ELF_TARGET_ID SH_ELF_DATA
252b5132 6615#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
6616#ifdef __QNXTARGET__
6617#define ELF_MAXPAGESIZE 0x1000
6618#else
6619#define ELF_MAXPAGESIZE 0x80
6620#endif
252b5132
RH
6621
6622#define elf_symbol_leading_char '_'
6623
6624#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
6625#define bfd_elf32_bfd_reloc_name_lookup \
6626 sh_elf_reloc_name_lookup
252b5132
RH
6627#define elf_info_to_howto sh_elf_info_to_howto
6628#define bfd_elf32_bfd_relax_section sh_elf_relax_section
6629#define elf_backend_relocate_section sh_elf_relocate_section
6630#define bfd_elf32_bfd_get_relocated_section_contents \
6631 sh_elf_get_relocated_section_contents
3376eaf5
KK
6632#define bfd_elf32_mkobject sh_elf_mkobject
6633#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
6634#define bfd_elf32_bfd_copy_private_bfd_data \
6635 sh_elf_copy_private_data
875f7f69 6636#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 6637 sh_elf_merge_private_data
252b5132 6638
067653c5 6639#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
067653c5
AM
6640#define elf_backend_check_relocs sh_elf_check_relocs
6641#define elf_backend_copy_indirect_symbol \
6642 sh_elf_copy_indirect_symbol
37c644f2
AO
6643#define elf_backend_create_dynamic_sections \
6644 sh_elf_create_dynamic_sections
6645#define bfd_elf32_bfd_link_hash_table_create \
6646 sh_elf_link_hash_table_create
6647#define elf_backend_adjust_dynamic_symbol \
6648 sh_elf_adjust_dynamic_symbol
55e6e397
RS
6649#define elf_backend_always_size_sections \
6650 sh_elf_always_size_sections
37c644f2
AO
6651#define elf_backend_size_dynamic_sections \
6652 sh_elf_size_dynamic_sections
8e45593f 6653#define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
37c644f2
AO
6654#define elf_backend_finish_dynamic_symbol \
6655 sh_elf_finish_dynamic_symbol
6656#define elf_backend_finish_dynamic_sections \
6657 sh_elf_finish_dynamic_sections
99e4ae17 6658#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 6659#define elf_backend_plt_sym_val sh_elf_plt_sym_val
8e45593f
NC
6660#define elf_backend_can_make_relative_eh_frame \
6661 sh_elf_use_relative_eh_frame
6662#define elf_backend_can_make_lsda_relative_eh_frame \
6663 sh_elf_use_relative_eh_frame
6664#define elf_backend_encode_eh_address \
6665 sh_elf_encode_eh_address
37c644f2 6666
04c3a755 6667#define elf_backend_stack_align 8
067653c5
AM
6668#define elf_backend_can_gc_sections 1
6669#define elf_backend_can_refcount 1
37c644f2
AO
6670#define elf_backend_want_got_plt 1
6671#define elf_backend_plt_readonly 1
6672#define elf_backend_want_plt_sym 0
6673#define elf_backend_got_header_size 12
64f52338 6674#define elf_backend_dtrel_excludes_plt 1
ed71e111 6675
a2f63b2e
MR
6676#define elf_backend_linux_prpsinfo32_ugid16 TRUE
6677
211dc24b 6678#if !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 6679
252b5132 6680#include "elf32-target.h"
ed71e111 6681
2bc3c89a
AM
6682/* NetBSD support. */
6683#undef TARGET_BIG_SYM
6d00b590 6684#define TARGET_BIG_SYM sh_elf32_nbsd_vec
2bc3c89a
AM
6685#undef TARGET_BIG_NAME
6686#define TARGET_BIG_NAME "elf32-sh-nbsd"
6687#undef TARGET_LITTLE_SYM
6d00b590 6688#define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec
2bc3c89a
AM
6689#undef TARGET_LITTLE_NAME
6690#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6691#undef ELF_MAXPAGESIZE
6692#define ELF_MAXPAGESIZE 0x10000
24718e3b 6693#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
6694#undef elf_symbol_leading_char
6695#define elf_symbol_leading_char 0
571fe01f 6696#undef elf32_bed
2bc3c89a
AM
6697#define elf32_bed elf32_sh_nbsd_bed
6698
6699#include "elf32-target.h"
6700
2bc3c89a
AM
6701
6702/* Linux support. */
6703#undef TARGET_BIG_SYM
6d00b590 6704#define TARGET_BIG_SYM sh_elf32_linux_be_vec
2bc3c89a
AM
6705#undef TARGET_BIG_NAME
6706#define TARGET_BIG_NAME "elf32-shbig-linux"
6707#undef TARGET_LITTLE_SYM
6d00b590 6708#define TARGET_LITTLE_SYM sh_elf32_linux_vec
2bc3c89a
AM
6709#undef TARGET_LITTLE_NAME
6710#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
6711#undef ELF_COMMONPAGESIZE
6712#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
6713
6714#undef elf_backend_grok_prstatus
6715#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6716#undef elf_backend_grok_psinfo
6717#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 6718#undef elf32_bed
2bc3c89a
AM
6719#define elf32_bed elf32_sh_lin_bed
6720
6721#include "elf32-target.h"
6722
8e45593f
NC
6723
6724/* FDPIC support. */
6725#undef TARGET_BIG_SYM
6d00b590 6726#define TARGET_BIG_SYM sh_elf32_fdpic_be_vec
8e45593f
NC
6727#undef TARGET_BIG_NAME
6728#define TARGET_BIG_NAME "elf32-shbig-fdpic"
6729#undef TARGET_LITTLE_SYM
6d00b590 6730#define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec
8e45593f
NC
6731#undef TARGET_LITTLE_NAME
6732#define TARGET_LITTLE_NAME "elf32-sh-fdpic"
8e45593f
NC
6733
6734#undef elf32_bed
6735#define elf32_bed elf32_sh_fd_bed
6736
6737#include "elf32-target.h"
6738
8e45593f 6739/* VxWorks support. */
55e6e397 6740#undef TARGET_BIG_SYM
6d00b590 6741#define TARGET_BIG_SYM sh_elf32_vxworks_vec
55e6e397
RS
6742#undef TARGET_BIG_NAME
6743#define TARGET_BIG_NAME "elf32-sh-vxworks"
6744#undef TARGET_LITTLE_SYM
6d00b590 6745#define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec
55e6e397
RS
6746#undef TARGET_LITTLE_NAME
6747#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6748#undef elf32_bed
6749#define elf32_bed elf32_sh_vxworks_bed
6750
6751#undef elf_backend_want_plt_sym
6752#define elf_backend_want_plt_sym 1
6753#undef elf_symbol_leading_char
6754#define elf_symbol_leading_char '_'
6755#define elf_backend_want_got_underscore 1
6756#undef elf_backend_grok_prstatus
6757#undef elf_backend_grok_psinfo
6758#undef elf_backend_add_symbol_hook
6759#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6760#undef elf_backend_link_output_symbol_hook
6761#define elf_backend_link_output_symbol_hook \
6762 elf_vxworks_link_output_symbol_hook
6763#undef elf_backend_emit_relocs
6764#define elf_backend_emit_relocs elf_vxworks_emit_relocs
6765#undef elf_backend_final_write_processing
6766#define elf_backend_final_write_processing \
6767 elf_vxworks_final_write_processing
6768#undef ELF_MAXPAGESIZE
6769#define ELF_MAXPAGESIZE 0x1000
6770#undef ELF_COMMONPAGESIZE
6771
90c14f0c
L
6772#undef ELF_TARGET_OS
6773#define ELF_TARGET_OS is_vxworks
6774
55e6e397
RS
6775#include "elf32-target.h"
6776
211dc24b 6777#endif /* not SH_TARGET_ALREADY_DEFINED */
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