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[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
CommitLineData
ef230218 1/* Renesas / SuperH SH specific support for 32-bit ELF
2571583a 2 Copyright (C) 1996-2017 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
RH
32
33static bfd_reloc_status_type sh_elf_reloc
09fd220b 34 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
252b5132 35static bfd_reloc_status_type sh_elf_ignore_reloc
09fd220b 36 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
b34976b6 37static bfd_boolean sh_elf_relax_delete_bytes
09fd220b 38 (bfd *, asection *, bfd_vma, int);
b34976b6 39static bfd_boolean sh_elf_align_loads
09fd220b 40 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
85fbca6a 41#ifndef SH64_ELF
b34976b6 42static bfd_boolean sh_elf_swap_insns
09fd220b 43 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
85fbca6a 44#endif
3376eaf5 45static int sh_elf_optimized_tls_reloc
09fd220b 46 (struct bfd_link_info *, int, int);
3376eaf5 47static bfd_vma dtpoff_base
09fd220b 48 (struct bfd_link_info *);
267fb3c1 49static bfd_vma tpoff
09fd220b 50 (struct bfd_link_info *, bfd_vma);
37c644f2
AO
51
52/* The name of the dynamic interpreter. This is put in the .interp
53 section. */
54
55#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
252b5132 56
8e45593f
NC
57/* FDPIC binaries have a default 128K stack. */
58#define DEFAULT_STACK_SIZE 0x20000
59
55e6e397 60#define MINUS_ONE ((bfd_vma) 0 - 1)
8e45593f
NC
61
62/* Decide whether a reference to a symbol can be resolved locally or
63 not. If the symbol is protected, we want the local address, but
64 its function descriptor must be assigned by the dynamic linker. */
65#define SYMBOL_FUNCDESC_LOCAL(INFO, H) \
66 (SYMBOL_REFERENCES_LOCAL (INFO, H) \
67 || ! elf_hash_table (INFO)->dynamic_sections_created)
55e6e397
RS
68\f
69#define SH_PARTIAL32 TRUE
70#define SH_SRC_MASK32 0xffffffff
71#define SH_ELF_RELOC sh_elf_reloc
38b1a46c
NC
72static reloc_howto_type sh_elf_howto_table[] =
73{
55e6e397
RS
74#include "elf32-sh-relocs.h"
75};
fbca6ad9 76
55e6e397
RS
77#define SH_PARTIAL32 FALSE
78#define SH_SRC_MASK32 0
79#define SH_ELF_RELOC bfd_elf_generic_reloc
80static reloc_howto_type sh_vxworks_howto_table[] =
81{
82#include "elf32-sh-relocs.h"
83};
84\f
85/* Return true if OUTPUT_BFD is a VxWorks object. */
fbca6ad9 86
55e6e397 87static bfd_boolean
527a23b8 88vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
55e6e397 89{
527a23b8 90#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
6d00b590
AM
91 extern const bfd_target sh_elf32_vxworks_le_vec;
92 extern const bfd_target sh_elf32_vxworks_vec;
fbca6ad9 93
6d00b590
AM
94 return (abfd->xvec == &sh_elf32_vxworks_le_vec
95 || abfd->xvec == &sh_elf32_vxworks_vec);
527a23b8
NC
96#else
97 return FALSE;
98#endif
55e6e397 99}
fbca6ad9 100
8e45593f
NC
101/* Return true if OUTPUT_BFD is an FDPIC object. */
102
103static bfd_boolean
104fdpic_object_p (bfd *abfd ATTRIBUTE_UNUSED)
105{
106#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
6d00b590
AM
107 extern const bfd_target sh_elf32_fdpic_le_vec;
108 extern const bfd_target sh_elf32_fdpic_be_vec;
8e45593f 109
6d00b590
AM
110 return (abfd->xvec == &sh_elf32_fdpic_le_vec
111 || abfd->xvec == &sh_elf32_fdpic_be_vec);
8e45593f
NC
112#else
113 return FALSE;
114#endif
115}
116
55e6e397 117/* Return the howto table for ABFD. */
fbca6ad9 118
55e6e397
RS
119static reloc_howto_type *
120get_howto_table (bfd *abfd)
121{
122 if (vxworks_object_p (abfd))
123 return sh_vxworks_howto_table;
124 return sh_elf_howto_table;
125}
252b5132 126
015551fc 127static bfd_reloc_status_type
09fd220b
KK
128sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
129 asection *input_section, bfd_byte *contents,
130 bfd_vma addr, asection *symbol_section,
131 bfd_vma start, bfd_vma end)
015551fc
JR
132{
133 static bfd_vma last_addr;
00fdaf47 134 static asection *last_symbol_section;
015551fc
JR
135 bfd_byte *start_ptr, *ptr, *last_ptr;
136 int diff, cum_diff;
137 bfd_signed_vma x;
138 int insn;
139
140 /* Sanity check the address. */
07515404 141 if (addr > bfd_get_section_limit (input_bfd, input_section))
015551fc
JR
142 return bfd_reloc_outofrange;
143
144 /* We require the start and end relocations to be processed consecutively -
145 although we allow then to be processed forwards or backwards. */
146 if (! last_addr)
147 {
148 last_addr = addr;
149 last_symbol_section = symbol_section;
150 return bfd_reloc_ok;
151 }
152 if (last_addr != addr)
153 abort ();
154 last_addr = 0;
155
156 if (! symbol_section || last_symbol_section != symbol_section || end < start)
157 return bfd_reloc_outofrange;
158
159 /* Get the symbol_section contents. */
160 if (symbol_section != input_section)
161 {
162 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
163 contents = elf_section_data (symbol_section)->this_hdr.contents;
164 else
165 {
eea6121a
AM
166 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
167 &contents))
015551fc 168 {
eea6121a
AM
169 if (contents != NULL)
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
6cdc0ccc
AM
205 if (contents != NULL
206 && elf_section_data (symbol_section)->this_hdr.contents != contents)
207 free (contents);
015551fc
JR
208
209 insn = bfd_get_16 (input_bfd, contents + addr);
210
211 x = (insn & 0x200 ? end : start) - addr;
212 if (input_section != symbol_section)
213 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
214 - (input_section->output_section->vma
215 + input_section->output_offset));
216 x >>= 1;
217 if (x < -128 || x > 127)
218 return bfd_reloc_overflow;
219
61ff1804 220 x = (insn & ~0xff) | (x & 0xff);
dc810e39 221 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
015551fc
JR
222
223 return bfd_reloc_ok;
224}
225
226/* This function is used for normal relocs. This used to be like the COFF
252b5132
RH
227 function, and is almost certainly incorrect for other ELF targets. */
228
229static bfd_reloc_status_type
09fd220b
KK
230sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
231 void *data, asection *input_section, bfd *output_bfd,
232 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
233{
234 unsigned long insn;
235 bfd_vma sym_value;
236 enum elf_sh_reloc_type r_type;
237 bfd_vma addr = reloc_entry->address;
238 bfd_byte *hit_data = addr + (bfd_byte *) data;
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. */
6346d5ca
AM
259 if (addr * bfd_octets_per_byte (abfd) + bfd_get_reloc_size (reloc_entry->howto)
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;
dc810e39 275 bfd_put_32 (abfd, (bfd_vma) 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);
284 sym_value += (insn & 0xfff) << 1;
285 if (insn & 0x800)
286 sym_value -= 0x1000;
287 insn = (insn & 0xf000) | (sym_value & 0xfff);
dc810e39 288 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
289 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
290 return bfd_reloc_overflow;
291 break;
292 default:
293 abort ();
294 break;
295 }
296
297 return bfd_reloc_ok;
298}
299
300/* This function is used for relocs which are only used for relaxing,
301 which the linker should otherwise ignore. */
302
303static bfd_reloc_status_type
09fd220b
KK
304sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
305 asymbol *symbol ATTRIBUTE_UNUSED,
306 void *data ATTRIBUTE_UNUSED, asection *input_section,
307 bfd *output_bfd,
308 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
309{
310 if (output_bfd != NULL)
311 reloc_entry->address += input_section->output_offset;
312 return bfd_reloc_ok;
313}
314
315/* This structure is used to map BFD reloc codes to SH ELF relocs. */
316
38b1a46c
NC
317struct elf_reloc_map
318{
252b5132
RH
319 bfd_reloc_code_real_type bfd_reloc_val;
320 unsigned char elf_reloc_val;
321};
322
323/* An array mapping BFD reloc codes to SH ELF relocs. */
324
38b1a46c
NC
325static const struct elf_reloc_map sh_reloc_map[] =
326{
252b5132
RH
327 { BFD_RELOC_NONE, R_SH_NONE },
328 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
329 { BFD_RELOC_16, R_SH_DIR16 },
330 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
331 { BFD_RELOC_CTOR, R_SH_DIR32 },
332 { BFD_RELOC_32_PCREL, R_SH_REL32 },
333 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
334 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
335 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
336 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
337 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
338 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
339 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
340 { BFD_RELOC_SH_USES, R_SH_USES },
341 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
342 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
343 { BFD_RELOC_SH_CODE, R_SH_CODE },
344 { BFD_RELOC_SH_DATA, R_SH_DATA },
345 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
346 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
347 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
348 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
349 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
350 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
351 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
352 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
353 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
354 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
355 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
356 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
357 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
358 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
359 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
360 { BFD_RELOC_SH_COPY, R_SH_COPY },
361 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
362 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
363 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
364 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
365 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9 366 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
8e45593f
NC
367 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
368 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
369 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
370 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
371 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
372 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
373 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
fbca6ad9
AO
374#ifdef INCLUDE_SHMEDIA
375 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
376 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
377 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
378 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
379 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
380 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
381 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
382 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
383 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
384 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
385 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
386 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
387 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
388 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
389 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
390 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
391 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
392 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
393 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
394 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
395 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
396 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
397 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
398 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
399 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
400 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
401 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
402 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
403 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
404 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
405 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
406 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
407 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
408 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
409 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
410 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
411 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
412 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
413 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
414 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
415 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
416 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
417 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
418 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
419 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
420 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
421 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
422 { BFD_RELOC_64, R_SH_64 },
423 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
424#endif /* not INCLUDE_SHMEDIA */
252b5132
RH
425};
426
427/* Given a BFD reloc code, return the howto structure for the
55e6e397 428 corresponding SH ELF reloc. */
252b5132
RH
429
430static reloc_howto_type *
55e6e397 431sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
432{
433 unsigned int i;
434
435 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
436 {
437 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 438 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
439 }
440
441 return NULL;
442}
443
157090f7
AM
444static reloc_howto_type *
445sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
446{
447 unsigned int i;
448
449 if (vxworks_object_p (abfd))
450 {
451 for (i = 0;
452 i < (sizeof (sh_vxworks_howto_table)
453 / sizeof (sh_vxworks_howto_table[0]));
454 i++)
455 if (sh_vxworks_howto_table[i].name != NULL
456 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
457 return &sh_vxworks_howto_table[i];
458 }
459 else
460 {
461 for (i = 0;
462 i < (sizeof (sh_elf_howto_table)
463 / sizeof (sh_elf_howto_table[0]));
464 i++)
465 if (sh_elf_howto_table[i].name != NULL
466 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
467 return &sh_elf_howto_table[i];
468 }
469
470 return NULL;
471}
472
252b5132
RH
473/* Given an ELF reloc, fill in the howto field of a relent. */
474
475static void
55e6e397 476sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
477{
478 unsigned int r;
479
480 r = ELF32_R_TYPE (dst->r_info);
481
cd21f5da
NC
482 if (r >= R_SH_max
483 || (r >= R_SH_FIRST_INVALID_RELOC && r <= R_SH_LAST_INVALID_RELOC)
484 || (r >= R_SH_FIRST_INVALID_RELOC_2 && r <= R_SH_LAST_INVALID_RELOC_2)
485 || (r >= R_SH_FIRST_INVALID_RELOC_3 && r <= R_SH_LAST_INVALID_RELOC_3)
486 || (r >= R_SH_FIRST_INVALID_RELOC_4 && r <= R_SH_LAST_INVALID_RELOC_4)
487 || (r >= R_SH_FIRST_INVALID_RELOC_5 && r <= R_SH_LAST_INVALID_RELOC_5)
488 || (r >= R_SH_FIRST_INVALID_RELOC_6 && r <= R_SH_LAST_INVALID_RELOC_6))
489 {
695344c0 490 /* xgettext:c-format */
4eca0228
AM
491 _bfd_error_handler (_("%B: unrecognised SH reloc number: %d"),
492 abfd, r);
cd21f5da
NC
493 bfd_set_error (bfd_error_bad_value);
494 r = R_SH_NONE;
495 }
252b5132 496
55e6e397 497 cache_ptr->howto = get_howto_table (abfd) + r;
252b5132
RH
498}
499\f
500/* This function handles relaxing for SH ELF. See the corresponding
501 function in coff-sh.c for a description of what this does. FIXME:
502 There is a lot of duplication here between this code and the COFF
503 specific code. The format of relocs and symbols is wound deeply
504 into this code, but it would still be better if the duplication
505 could be eliminated somehow. Note in particular that although both
506 functions use symbols like R_SH_CODE, those symbols have different
507 values; in coff-sh.c they come from include/coff/sh.h, whereas here
508 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
509
b34976b6 510static bfd_boolean
09fd220b
KK
511sh_elf_relax_section (bfd *abfd, asection *sec,
512 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
513{
514 Elf_Internal_Shdr *symtab_hdr;
515 Elf_Internal_Rela *internal_relocs;
b34976b6 516 bfd_boolean have_code;
252b5132
RH
517 Elf_Internal_Rela *irel, *irelend;
518 bfd_byte *contents = NULL;
6cdc0ccc 519 Elf_Internal_Sym *isymbuf = NULL;
252b5132 520
b34976b6 521 *again = FALSE;
252b5132 522
0e1862bb 523 if (bfd_link_relocatable (link_info)
252b5132
RH
524 || (sec->flags & SEC_RELOC) == 0
525 || sec->reloc_count == 0)
b34976b6 526 return TRUE;
252b5132 527
fbca6ad9
AO
528#ifdef INCLUDE_SHMEDIA
529 if (elf_section_data (sec)->this_hdr.sh_flags
530 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
531 {
b34976b6 532 return TRUE;
fbca6ad9
AO
533 }
534#endif
535
0ffa91dd 536 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 537
45d6a902 538 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 539 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
540 link_info->keep_memory));
541 if (internal_relocs == NULL)
542 goto error_return;
252b5132 543
b34976b6 544 have_code = FALSE;
252b5132
RH
545
546 irelend = internal_relocs + sec->reloc_count;
547 for (irel = internal_relocs; irel < irelend; irel++)
548 {
549 bfd_vma laddr, paddr, symval;
550 unsigned short insn;
551 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
552 bfd_signed_vma foff;
553
554 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 555 have_code = TRUE;
252b5132
RH
556
557 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
558 continue;
559
560 /* Get the section contents. */
561 if (contents == NULL)
562 {
563 if (elf_section_data (sec)->this_hdr.contents != NULL)
564 contents = elf_section_data (sec)->this_hdr.contents;
565 else
566 {
eea6121a 567 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
568 goto error_return;
569 }
570 }
571
572 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
573 the register load. The 4 is because the r_addend field is
574 computed as though it were a jump offset, which are based
575 from 4 bytes after the jump instruction. */
252b5132 576 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 577 if (laddr >= sec->size)
252b5132 578 {
695344c0 579 /* xgettext:c-format */
d42c267e
AM
580 _bfd_error_handler (_("%B: %#Lx: warning: bad R_SH_USES offset"),
581 abfd, irel->r_offset);
252b5132
RH
582 continue;
583 }
584 insn = bfd_get_16 (abfd, contents + laddr);
585
586 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 587 do. */
252b5132
RH
588 if ((insn & 0xf000) != 0xd000)
589 {
4eca0228 590 _bfd_error_handler
695344c0 591 /* xgettext:c-format */
d42c267e
AM
592 (_("%B: %#Lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
593 abfd, irel->r_offset, insn);
252b5132
RH
594 continue;
595 }
596
597 /* Get the address from which the register is being loaded. The
99e4ae17
AJ
598 displacement in the mov.l instruction is quadrupled. It is a
599 displacement from four bytes after the movl instruction, but,
600 before adding in the PC address, two least significant bits
601 of the PC are cleared. We assume that the section is aligned
602 on a four byte boundary. */
252b5132
RH
603 paddr = insn & 0xff;
604 paddr *= 4;
dc810e39 605 paddr += (laddr + 4) &~ (bfd_vma) 3;
eea6121a 606 if (paddr >= sec->size)
252b5132 607 {
4eca0228 608 _bfd_error_handler
695344c0 609 /* xgettext:c-format */
d42c267e
AM
610 (_("%B: %#Lx: warning: bad R_SH_USES load offset"),
611 abfd, irel->r_offset);
252b5132
RH
612 continue;
613 }
614
615 /* Get the reloc for the address from which the register is
067653c5
AM
616 being loaded. This reloc will tell us which function is
617 actually being called. */
252b5132
RH
618 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
619 if (irelfn->r_offset == paddr
620 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
621 break;
622 if (irelfn >= irelend)
623 {
4eca0228 624 _bfd_error_handler
695344c0 625 /* xgettext:c-format */
d42c267e
AM
626 (_("%B: %#Lx: warning: could not find expected reloc"),
627 abfd, paddr);
252b5132
RH
628 continue;
629 }
630
631 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 632 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 633 {
6cdc0ccc
AM
634 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
635 if (isymbuf == NULL)
636 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
637 symtab_hdr->sh_info, 0,
638 NULL, NULL, NULL);
639 if (isymbuf == NULL)
640 goto error_return;
252b5132
RH
641 }
642
643 /* Get the value of the symbol referred to by the reloc. */
644 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
645 {
9ad5cbcf 646 /* A local symbol. */
6cdc0ccc 647 Elf_Internal_Sym *isym;
252b5132 648
6cdc0ccc
AM
649 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
650 if (isym->st_shndx
d426c6b0 651 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132 652 {
4eca0228 653 _bfd_error_handler
695344c0 654 /* xgettext:c-format */
d42c267e
AM
655 (_("%B: %#Lx: warning: symbol in unexpected section"),
656 abfd, paddr);
252b5132
RH
657 continue;
658 }
659
6cdc0ccc 660 symval = (isym->st_value
252b5132
RH
661 + sec->output_section->vma
662 + sec->output_offset);
663 }
664 else
665 {
666 unsigned long indx;
667 struct elf_link_hash_entry *h;
668
669 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
670 h = elf_sym_hashes (abfd)[indx];
671 BFD_ASSERT (h != NULL);
672 if (h->root.type != bfd_link_hash_defined
673 && h->root.type != bfd_link_hash_defweak)
674 {
675 /* This appears to be a reference to an undefined
067653c5
AM
676 symbol. Just ignore it--it will be caught by the
677 regular reloc processing. */
252b5132
RH
678 continue;
679 }
680
681 symval = (h->root.u.def.value
682 + h->root.u.def.section->output_section->vma
683 + h->root.u.def.section->output_offset);
684 }
685
55e6e397
RS
686 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
687 symval += bfd_get_32 (abfd, contents + paddr);
688 else
689 symval += irelfn->r_addend;
252b5132
RH
690
691 /* See if this function call can be shortened. */
692 foff = (symval
693 - (irel->r_offset
694 + sec->output_section->vma
695 + sec->output_offset
696 + 4));
f725025b
DD
697 /* A branch to an address beyond ours might be increased by an
698 .align that doesn't move when bytes behind us are deleted.
699 So, we add some slop in this calculation to allow for
700 that. */
701 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
702 {
703 /* After all that work, we can't shorten this function call. */
704 continue;
705 }
706
707 /* Shorten the function call. */
708
709 /* For simplicity of coding, we are going to modify the section
710 contents, the section relocs, and the BFD symbol table. We
711 must tell the rest of the code not to free up this
712 information. It would be possible to instead create a table
713 of changes which have to be made, as is done in coff-mips.c;
714 that would be more work, but would require less memory when
715 the linker is run. */
716
717 elf_section_data (sec)->relocs = internal_relocs;
252b5132 718 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 719 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 720
8c784016 721 /* Replace the jmp/jsr with a bra/bsr. */
252b5132
RH
722
723 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
8c784016 724 replace the jmp/jsr with a bra/bsr. */
252b5132 725 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
726 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
727 here, but that only checks if the symbol is an external symbol,
728 not if the symbol is in a different section. Besides, we need
729 a consistent meaning for the relocation, so we just assume here that
730 the value of the symbol is not available. */
0e71e495
BE
731
732 /* We can't fully resolve this yet, because the external
733 symbol value may be changed by future relaxing. We let
734 the final link phase handle it. */
8c784016
KK
735 if (bfd_get_16 (abfd, contents + irel->r_offset) & 0x0020)
736 bfd_put_16 (abfd, (bfd_vma) 0xa000, contents + irel->r_offset);
737 else
738 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
0e71e495 739
bdfaef52 740 irel->r_addend = -4;
252b5132 741
f725025b
DD
742 /* When we calculated the symbol "value" we had an offset in the
743 DIR32's word in memory (we read and add it above). However,
744 the jsr we create does NOT have this offset encoded, so we
745 have to add it to the addend to preserve it. */
746 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
747
252b5132 748 /* See if there is another R_SH_USES reloc referring to the same
067653c5 749 register load. */
252b5132
RH
750 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
751 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
752 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
753 break;
754 if (irelscan < irelend)
755 {
756 /* Some other function call depends upon this register load,
757 and we have not yet converted that function call.
758 Indeed, we may never be able to convert it. There is
759 nothing else we can do at this point. */
760 continue;
761 }
762
763 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
764 function address is stored. Do this before deleting any
765 bytes, to avoid confusion about the address. */
252b5132
RH
766 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
767 if (irelcount->r_offset == paddr
768 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
769 break;
770
771 /* Delete the register load. */
772 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
773 goto error_return;
774
775 /* That will change things, so, just in case it permits some
067653c5
AM
776 other function call to come within range, we should relax
777 again. Note that this is not required, and it may be slow. */
b34976b6 778 *again = TRUE;
252b5132
RH
779
780 /* Now check whether we got a COUNT reloc. */
781 if (irelcount >= irelend)
782 {
4eca0228 783 _bfd_error_handler
695344c0 784 /* xgettext:c-format */
d42c267e
AM
785 (_("%B: %#Lx: warning: could not find expected COUNT reloc"),
786 abfd, paddr);
252b5132
RH
787 continue;
788 }
789
790 /* The number of uses is stored in the r_addend field. We've
067653c5 791 just deleted one. */
252b5132
RH
792 if (irelcount->r_addend == 0)
793 {
695344c0 794 /* xgettext:c-format */
d42c267e
AM
795 _bfd_error_handler (_("%B: %#Lx: warning: bad count"),
796 abfd, paddr);
252b5132
RH
797 continue;
798 }
799
800 --irelcount->r_addend;
801
802 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
803 the address from irelfn, in case it was changed by the
804 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
805 if (irelcount->r_addend == 0)
806 {
807 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
808 goto error_return;
809 }
810
811 /* We've done all we can with that function call. */
812 }
813
814 /* Look for load and store instructions that we can align on four
815 byte boundaries. */
bdfaef52
JR
816 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
817 && have_code)
252b5132 818 {
b34976b6 819 bfd_boolean swapped;
252b5132
RH
820
821 /* Get the section contents. */
822 if (contents == NULL)
823 {
824 if (elf_section_data (sec)->this_hdr.contents != NULL)
825 contents = elf_section_data (sec)->this_hdr.contents;
826 else
827 {
eea6121a 828 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
829 goto error_return;
830 }
831 }
832
833 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
834 &swapped))
835 goto error_return;
836
837 if (swapped)
838 {
839 elf_section_data (sec)->relocs = internal_relocs;
252b5132 840 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 841 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
842 }
843 }
844
6cdc0ccc
AM
845 if (isymbuf != NULL
846 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
847 {
848 if (! link_info->keep_memory)
6cdc0ccc 849 free (isymbuf);
252b5132
RH
850 else
851 {
6cdc0ccc
AM
852 /* Cache the symbols for elf_link_input_bfd. */
853 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 854 }
9ad5cbcf
AM
855 }
856
6cdc0ccc
AM
857 if (contents != NULL
858 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
859 {
860 if (! link_info->keep_memory)
6cdc0ccc
AM
861 free (contents);
862 else
252b5132 863 {
6cdc0ccc
AM
864 /* Cache the section contents for elf_link_input_bfd. */
865 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 866 }
252b5132
RH
867 }
868
6cdc0ccc
AM
869 if (internal_relocs != NULL
870 && elf_section_data (sec)->relocs != internal_relocs)
871 free (internal_relocs);
872
b34976b6 873 return TRUE;
252b5132
RH
874
875 error_return:
6cdc0ccc
AM
876 if (isymbuf != NULL
877 && symtab_hdr->contents != (unsigned char *) isymbuf)
878 free (isymbuf);
879 if (contents != NULL
880 && elf_section_data (sec)->this_hdr.contents != contents)
881 free (contents);
882 if (internal_relocs != NULL
883 && elf_section_data (sec)->relocs != internal_relocs)
884 free (internal_relocs);
9ad5cbcf 885
b34976b6 886 return FALSE;
252b5132
RH
887}
888
889/* Delete some bytes from a section while relaxing. FIXME: There is a
890 lot of duplication between this function and sh_relax_delete_bytes
891 in coff-sh.c. */
892
b34976b6 893static bfd_boolean
09fd220b
KK
894sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
895 int count)
252b5132
RH
896{
897 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 898 unsigned int sec_shndx;
252b5132
RH
899 bfd_byte *contents;
900 Elf_Internal_Rela *irel, *irelend;
901 Elf_Internal_Rela *irelalign;
902 bfd_vma toaddr;
6cdc0ccc 903 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
904 struct elf_link_hash_entry **sym_hashes;
905 struct elf_link_hash_entry **end_hashes;
906 unsigned int symcount;
252b5132
RH
907 asection *o;
908
0ffa91dd 909 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 910 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
911
912 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
913
914 contents = elf_section_data (sec)->this_hdr.contents;
915
de194d85 916 /* The deletion must stop at the next ALIGN reloc for an alignment
252b5132
RH
917 power larger than the number of bytes we are deleting. */
918
919 irelalign = NULL;
eea6121a 920 toaddr = sec->size;
252b5132
RH
921
922 irel = elf_section_data (sec)->relocs;
923 irelend = irel + sec->reloc_count;
924 for (; irel < irelend; irel++)
925 {
926 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
927 && irel->r_offset > addr
928 && count < (1 << irel->r_addend))
929 {
930 irelalign = irel;
931 toaddr = irel->r_offset;
932 break;
933 }
934 }
935
936 /* Actually delete the bytes. */
dc810e39
AM
937 memmove (contents + addr, contents + addr + count,
938 (size_t) (toaddr - addr - count));
252b5132 939 if (irelalign == NULL)
eea6121a 940 sec->size -= count;
252b5132
RH
941 else
942 {
943 int i;
944
945#define NOP_OPCODE (0x0009)
946
947 BFD_ASSERT ((count & 1) == 0);
948 for (i = 0; i < count; i += 2)
dc810e39 949 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
950 }
951
952 /* Adjust all the relocs. */
953 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
954 {
955 bfd_vma nraddr, stop;
956 bfd_vma start = 0;
957 int insn = 0;
252b5132
RH
958 int off, adjust, oinsn;
959 bfd_signed_vma voff = 0;
b34976b6 960 bfd_boolean overflow;
252b5132
RH
961
962 /* Get the new reloc address. */
963 nraddr = irel->r_offset;
964 if ((irel->r_offset > addr
965 && irel->r_offset < toaddr)
966 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
967 && irel->r_offset == toaddr))
968 nraddr -= count;
969
970 /* See if this reloc was for the bytes we have deleted, in which
971 case we no longer care about it. Don't delete relocs which
972 represent addresses, though. */
973 if (irel->r_offset >= addr
974 && irel->r_offset < addr + count
975 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
976 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
977 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
978 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
979 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
980 (int) R_SH_NONE);
981
982 /* If this is a PC relative reloc, see if the range it covers
067653c5 983 includes the bytes we have deleted. */
252b5132
RH
984 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
985 {
986 default:
987 break;
988
989 case R_SH_DIR8WPN:
990 case R_SH_IND12W:
991 case R_SH_DIR8WPZ:
992 case R_SH_DIR8WPL:
993 start = irel->r_offset;
994 insn = bfd_get_16 (abfd, contents + nraddr);
995 break;
996 }
997
998 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
999 {
1000 default:
1001 start = stop = addr;
1002 break;
1003
1004 case R_SH_DIR32:
1005 /* If this reloc is against a symbol defined in this
067653c5
AM
1006 section, and the symbol will not be adjusted below, we
1007 must check the addend to see it will put the value in
1008 range to be adjusted, and hence must be changed. */
252b5132
RH
1009 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
1010 {
6cdc0ccc
AM
1011 isym = isymbuf + ELF32_R_SYM (irel->r_info);
1012 if (isym->st_shndx == sec_shndx
1013 && (isym->st_value <= addr
1014 || isym->st_value >= toaddr))
252b5132
RH
1015 {
1016 bfd_vma val;
1017
55e6e397
RS
1018 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
1019 {
1020 val = bfd_get_32 (abfd, contents + nraddr);
1021 val += isym->st_value;
1022 if (val > addr && val < toaddr)
1023 bfd_put_32 (abfd, val - count, contents + nraddr);
1024 }
1025 else
1026 {
1027 val = isym->st_value + irel->r_addend;
1028 if (val > addr && val < toaddr)
1029 irel->r_addend -= count;
1030 }
252b5132
RH
1031 }
1032 }
1033 start = stop = addr;
1034 break;
1035
1036 case R_SH_DIR8WPN:
1037 off = insn & 0xff;
1038 if (off & 0x80)
1039 off -= 0x100;
1040 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1041 break;
1042
1043 case R_SH_IND12W:
bdfaef52
JR
1044 off = insn & 0xfff;
1045 if (! off)
1046 {
1047 /* This has been made by previous relaxation. Since the
1048 relocation will be against an external symbol, the
1049 final relocation will just do the right thing. */
1050 start = stop = addr;
1051 }
252b5132
RH
1052 else
1053 {
252b5132
RH
1054 if (off & 0x800)
1055 off -= 0x1000;
1056 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
1057
1058 /* The addend will be against the section symbol, thus
1059 for adjusting the addend, the relevant start is the
1060 start of the section.
4cc11e76 1061 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1062 test directly using symbol + addend, we have to take into
1063 account that the addend has already been adjusted by -4. */
1064 if (stop > addr && stop < toaddr)
1065 irel->r_addend -= count;
252b5132
RH
1066 }
1067 break;
1068
1069 case R_SH_DIR8WPZ:
1070 off = insn & 0xff;
1071 stop = start + 4 + off * 2;
1072 break;
1073
1074 case R_SH_DIR8WPL:
1075 off = insn & 0xff;
435b1e90 1076 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1077 break;
1078
1079 case R_SH_SWITCH8:
1080 case R_SH_SWITCH16:
1081 case R_SH_SWITCH32:
1082 /* These relocs types represent
1083 .word L2-L1
06e1ba78 1084 The r_addend field holds the difference between the reloc
252b5132
RH
1085 address and L1. That is the start of the reloc, and
1086 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1087 both the r_offset field and the section contents.
1088 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1089 and the elf bfd r_offset is called r_vaddr. */
252b5132 1090
06e1ba78
JR
1091 stop = irel->r_offset;
1092 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1093
1094 if (start > addr
1095 && start < toaddr
1096 && (stop <= addr || stop >= toaddr))
1097 irel->r_addend += count;
1098 else if (stop > addr
1099 && stop < toaddr
1100 && (start <= addr || start >= toaddr))
1101 irel->r_addend -= count;
1102
252b5132
RH
1103 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1104 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1105 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1106 voff = bfd_get_8 (abfd, contents + nraddr);
1107 else
1108 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1109 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1110
1111 break;
1112
1113 case R_SH_USES:
1114 start = irel->r_offset;
1115 stop = (bfd_vma) ((bfd_signed_vma) start
1116 + (long) irel->r_addend
1117 + 4);
1118 break;
1119 }
1120
1121 if (start > addr
1122 && start < toaddr
1123 && (stop <= addr || stop >= toaddr))
1124 adjust = count;
1125 else if (stop > addr
1126 && stop < toaddr
1127 && (start <= addr || start >= toaddr))
1128 adjust = - count;
1129 else
1130 adjust = 0;
1131
1132 if (adjust != 0)
1133 {
1134 oinsn = insn;
b34976b6 1135 overflow = FALSE;
252b5132
RH
1136 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1137 {
1138 default:
1139 abort ();
1140 break;
1141
1142 case R_SH_DIR8WPN:
1143 case R_SH_DIR8WPZ:
1144 insn += adjust / 2;
1145 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1146 overflow = TRUE;
dc810e39 1147 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1148 break;
1149
1150 case R_SH_IND12W:
1151 insn += adjust / 2;
1152 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1153 overflow = TRUE;
dc810e39 1154 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1155 break;
1156
1157 case R_SH_DIR8WPL:
1158 BFD_ASSERT (adjust == count || count >= 4);
1159 if (count >= 4)
1160 insn += adjust / 4;
1161 else
1162 {
1163 if ((irel->r_offset & 3) == 0)
1164 ++insn;
1165 }
1166 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1167 overflow = TRUE;
dc810e39 1168 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1169 break;
1170
851cde10
JR
1171 case R_SH_SWITCH8:
1172 voff += adjust;
1173 if (voff < 0 || voff >= 0xff)
b34976b6 1174 overflow = TRUE;
851cde10
JR
1175 bfd_put_8 (abfd, voff, contents + nraddr);
1176 break;
1177
252b5132
RH
1178 case R_SH_SWITCH16:
1179 voff += adjust;
1180 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1181 overflow = TRUE;
dc810e39 1182 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1183 break;
1184
1185 case R_SH_SWITCH32:
1186 voff += adjust;
dc810e39 1187 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1188 break;
1189
1190 case R_SH_USES:
1191 irel->r_addend += adjust;
1192 break;
1193 }
1194
1195 if (overflow)
1196 {
4eca0228 1197 _bfd_error_handler
695344c0 1198 /* xgettext:c-format */
d42c267e
AM
1199 (_("%B: %#Lx: fatal: reloc overflow while relaxing"),
1200 abfd, irel->r_offset);
252b5132 1201 bfd_set_error (bfd_error_bad_value);
b34976b6 1202 return FALSE;
252b5132
RH
1203 }
1204 }
1205
1206 irel->r_offset = nraddr;
1207 }
1208
1209 /* Look through all the other sections. If there contain any IMM32
1210 relocs against internal symbols which we are not going to adjust
1211 below, we may need to adjust the addends. */
1212 for (o = abfd->sections; o != NULL; o = o->next)
1213 {
1214 Elf_Internal_Rela *internal_relocs;
1215 Elf_Internal_Rela *irelscan, *irelscanend;
1216 bfd_byte *ocontents;
1217
1218 if (o == sec
1219 || (o->flags & SEC_RELOC) == 0
1220 || o->reloc_count == 0)
1221 continue;
1222
1223 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1224 FALSE, we should free them, if we are permitted to, when we
067653c5 1225 leave sh_coff_relax_section. */
45d6a902 1226 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1227 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1228 if (internal_relocs == NULL)
b34976b6 1229 return FALSE;
252b5132
RH
1230
1231 ocontents = NULL;
1232 irelscanend = internal_relocs + o->reloc_count;
1233 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1234 {
084aa3aa
JR
1235 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1236 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1237 {
1238 bfd_vma start, stop;
1239 bfd_signed_vma voff;
1240
1241 if (ocontents == NULL)
1242 {
1243 if (elf_section_data (o)->this_hdr.contents != NULL)
1244 ocontents = elf_section_data (o)->this_hdr.contents;
1245 else
1246 {
1247 /* We always cache the section contents.
b34976b6 1248 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1249 should free them, if we are permitted to,
1250 when we leave sh_coff_relax_section. */
eea6121a
AM
1251 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1252 {
1253 if (ocontents != NULL)
1254 free (ocontents);
1255 return FALSE;
1256 }
1257
084aa3aa
JR
1258 elf_section_data (o)->this_hdr.contents = ocontents;
1259 }
1260 }
1261
1262 stop = irelscan->r_offset;
1263 start
1264 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1265
1266 /* STOP is in a different section, so it won't change. */
1267 if (start > addr && start < toaddr)
1268 irelscan->r_addend += count;
1269
1270 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1271 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1272
1273 if (start > addr
1274 && start < toaddr
1275 && (stop <= addr || stop >= toaddr))
dc810e39 1276 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1277 ocontents + irelscan->r_offset);
1278 else if (stop > addr
1279 && stop < toaddr
1280 && (start <= addr || start >= toaddr))
dc810e39 1281 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1282 ocontents + irelscan->r_offset);
1283 }
1284
252b5132
RH
1285 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1286 continue;
1287
1288 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1289 continue;
1290
252b5132 1291
6cdc0ccc
AM
1292 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1293 if (isym->st_shndx == sec_shndx
1294 && (isym->st_value <= addr
1295 || isym->st_value >= toaddr))
252b5132
RH
1296 {
1297 bfd_vma val;
1298
1299 if (ocontents == NULL)
1300 {
1301 if (elf_section_data (o)->this_hdr.contents != NULL)
1302 ocontents = elf_section_data (o)->this_hdr.contents;
1303 else
1304 {
1305 /* We always cache the section contents.
b34976b6 1306 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1307 should free them, if we are permitted to,
1308 when we leave sh_coff_relax_section. */
eea6121a
AM
1309 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1310 {
1311 if (ocontents != NULL)
1312 free (ocontents);
1313 return FALSE;
1314 }
1315
252b5132
RH
1316 elf_section_data (o)->this_hdr.contents = ocontents;
1317 }
1318 }
1319
1320 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1321 val += isym->st_value;
252b5132
RH
1322 if (val > addr && val < toaddr)
1323 bfd_put_32 (abfd, val - count,
1324 ocontents + irelscan->r_offset);
1325 }
1326 }
1327 }
1328
1329 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1330 isymend = isymbuf + symtab_hdr->sh_info;
1331 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1332 {
6cdc0ccc
AM
1333 if (isym->st_shndx == sec_shndx
1334 && isym->st_value > addr
1335 && isym->st_value < toaddr)
1336 isym->st_value -= count;
252b5132
RH
1337 }
1338
1339 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1340 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1341 - symtab_hdr->sh_info);
1342 sym_hashes = elf_sym_hashes (abfd);
1343 end_hashes = sym_hashes + symcount;
1344 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1345 {
9ad5cbcf
AM
1346 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1347 if ((sym_hash->root.type == bfd_link_hash_defined
1348 || sym_hash->root.type == bfd_link_hash_defweak)
1349 && sym_hash->root.u.def.section == sec
1350 && sym_hash->root.u.def.value > addr
1351 && sym_hash->root.u.def.value < toaddr)
252b5132 1352 {
9ad5cbcf 1353 sym_hash->root.u.def.value -= count;
252b5132
RH
1354 }
1355 }
1356
1357 /* See if we can move the ALIGN reloc forward. We have adjusted
1358 r_offset for it already. */
1359 if (irelalign != NULL)
1360 {
1361 bfd_vma alignto, alignaddr;
1362
1363 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1364 alignaddr = BFD_ALIGN (irelalign->r_offset,
1365 1 << irelalign->r_addend);
1366 if (alignto != alignaddr)
1367 {
1368 /* Tail recursion. */
1369 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1370 (int) (alignto - alignaddr));
252b5132
RH
1371 }
1372 }
1373
b34976b6 1374 return TRUE;
252b5132
RH
1375}
1376
1377/* Look for loads and stores which we can align to four byte
1378 boundaries. This is like sh_align_loads in coff-sh.c. */
1379
b34976b6 1380static bfd_boolean
09fd220b
KK
1381sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1382 Elf_Internal_Rela *internal_relocs,
1383 bfd_byte *contents ATTRIBUTE_UNUSED,
1384 bfd_boolean *pswapped)
252b5132
RH
1385{
1386 Elf_Internal_Rela *irel, *irelend;
1387 bfd_vma *labels = NULL;
1388 bfd_vma *label, *label_end;
dc810e39 1389 bfd_size_type amt;
252b5132 1390
b34976b6 1391 *pswapped = FALSE;
252b5132
RH
1392
1393 irelend = internal_relocs + sec->reloc_count;
1394
1395 /* Get all the addresses with labels on them. */
dc810e39
AM
1396 amt = sec->reloc_count;
1397 amt *= sizeof (bfd_vma);
1398 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1399 if (labels == NULL)
1400 goto error_return;
1401 label_end = labels;
1402 for (irel = internal_relocs; irel < irelend; irel++)
1403 {
1404 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1405 {
1406 *label_end = irel->r_offset;
1407 ++label_end;
1408 }
1409 }
1410
1411 /* Note that the assembler currently always outputs relocs in
1412 address order. If that ever changes, this code will need to sort
1413 the label values and the relocs. */
1414
1415 label = labels;
1416
1417 for (irel = internal_relocs; irel < irelend; irel++)
1418 {
1419 bfd_vma start, stop;
1420
1421 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1422 continue;
1423
1424 start = irel->r_offset;
1425
1426 for (irel++; irel < irelend; irel++)
1427 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1428 break;
1429 if (irel < irelend)
1430 stop = irel->r_offset;
1431 else
eea6121a 1432 stop = sec->size;
252b5132
RH
1433
1434 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1435 internal_relocs, &label,
252b5132
RH
1436 label_end, start, stop, pswapped))
1437 goto error_return;
1438 }
1439
1440 free (labels);
1441
b34976b6 1442 return TRUE;
252b5132
RH
1443
1444 error_return:
1445 if (labels != NULL)
1446 free (labels);
b34976b6 1447 return FALSE;
252b5132
RH
1448}
1449
85fbca6a 1450#ifndef SH64_ELF
252b5132
RH
1451/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1452
b34976b6 1453static bfd_boolean
09fd220b
KK
1454sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1455 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1456{
1457 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1458 unsigned short i1, i2;
1459 Elf_Internal_Rela *irel, *irelend;
1460
1461 /* Swap the instructions themselves. */
1462 i1 = bfd_get_16 (abfd, contents + addr);
1463 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1464 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1465 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1466
1467 /* Adjust all reloc addresses. */
1468 irelend = internal_relocs + sec->reloc_count;
1469 for (irel = internal_relocs; irel < irelend; irel++)
1470 {
1471 enum elf_sh_reloc_type type;
1472 int add;
1473
1474 /* There are a few special types of relocs that we don't want to
067653c5
AM
1475 adjust. These relocs do not apply to the instruction itself,
1476 but are only associated with the address. */
252b5132
RH
1477 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1478 if (type == R_SH_ALIGN
1479 || type == R_SH_CODE
1480 || type == R_SH_DATA
1481 || type == R_SH_LABEL)
1482 continue;
1483
1484 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1485 swapped, we must adjust it. It would be incorrect to do this
1486 for a jump, though, since we want to execute both
1487 instructions after the jump. (We have avoided swapping
1488 around a label, so the jump will not wind up executing an
1489 instruction it shouldn't). */
252b5132
RH
1490 if (type == R_SH_USES)
1491 {
1492 bfd_vma off;
1493
1494 off = irel->r_offset + 4 + irel->r_addend;
1495 if (off == addr)
1496 irel->r_offset += 2;
1497 else if (off == addr + 2)
1498 irel->r_offset -= 2;
1499 }
1500
1501 if (irel->r_offset == addr)
1502 {
1503 irel->r_offset += 2;
1504 add = -2;
1505 }
1506 else if (irel->r_offset == addr + 2)
1507 {
1508 irel->r_offset -= 2;
1509 add = 2;
1510 }
1511 else
1512 add = 0;
1513
1514 if (add != 0)
1515 {
1516 bfd_byte *loc;
1517 unsigned short insn, oinsn;
b34976b6 1518 bfd_boolean overflow;
252b5132
RH
1519
1520 loc = contents + irel->r_offset;
b34976b6 1521 overflow = FALSE;
252b5132
RH
1522 switch (type)
1523 {
1524 default:
1525 break;
1526
1527 case R_SH_DIR8WPN:
1528 case R_SH_DIR8WPZ:
1529 insn = bfd_get_16 (abfd, loc);
1530 oinsn = insn;
1531 insn += add / 2;
1532 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1533 overflow = TRUE;
dc810e39 1534 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1535 break;
1536
1537 case R_SH_IND12W:
1538 insn = bfd_get_16 (abfd, loc);
1539 oinsn = insn;
1540 insn += add / 2;
1541 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1542 overflow = TRUE;
dc810e39 1543 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1544 break;
1545
1546 case R_SH_DIR8WPL:
1547 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1548 the program counter before adding in the offset.
1549 This means that if ADDR is at an even address, the
1550 swap will not affect the offset. If ADDR is an at an
1551 odd address, then the instruction will be crossing a
1552 four byte boundary, and must be adjusted. */
252b5132
RH
1553 if ((addr & 3) != 0)
1554 {
1555 insn = bfd_get_16 (abfd, loc);
1556 oinsn = insn;
1557 insn += add / 2;
1558 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1559 overflow = TRUE;
dc810e39 1560 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1561 }
1562
1563 break;
1564 }
1565
1566 if (overflow)
1567 {
4eca0228 1568 _bfd_error_handler
695344c0 1569 /* xgettext:c-format */
d42c267e
AM
1570 (_("%B: %#Lx: fatal: reloc overflow while relaxing"),
1571 abfd, irel->r_offset);
252b5132 1572 bfd_set_error (bfd_error_bad_value);
b34976b6 1573 return FALSE;
252b5132
RH
1574 }
1575 }
1576 }
1577
b34976b6 1578 return TRUE;
252b5132 1579}
85fbca6a 1580#endif /* defined SH64_ELF */
252b5132 1581\f
55e6e397
RS
1582/* Describes one of the various PLT styles. */
1583
1584struct elf_sh_plt_info
1585{
1586 /* The template for the first PLT entry, or NULL if there is no special
1587 first entry. */
1588 const bfd_byte *plt0_entry;
1589
1590 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1591 bfd_vma plt0_entry_size;
1592
1593 /* Index I is the offset into PLT0_ENTRY of a pointer to
1594 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1595 if there is no such pointer. */
1596 bfd_vma plt0_got_fields[3];
1597
1598 /* The template for a symbol's PLT entry. */
1599 const bfd_byte *symbol_entry;
1600
1601 /* The size of SYMBOL_ENTRY in bytes. */
1602 bfd_vma symbol_entry_size;
1603
1604 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1605 on all targets. The comments by each member indicate the value
1606 that the field must hold. */
1607 struct {
1608 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1609 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1610 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
8e45593f
NC
1611 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1612 instruction (instead of a constant pool
1613 entry). */
55e6e397
RS
1614 } symbol_fields;
1615
1616 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1617 bfd_vma symbol_resolve_offset;
8e45593f
NC
1618
1619 /* A different PLT layout which can be used for the first
1620 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1621 other cases. */
1622 const struct elf_sh_plt_info *short_plt;
55e6e397
RS
1623};
1624
fbca6ad9
AO
1625#ifdef INCLUDE_SHMEDIA
1626
1627/* The size in bytes of an entry in the procedure linkage table. */
1628
55e6e397 1629#define ELF_PLT_ENTRY_SIZE 64
fbca6ad9
AO
1630
1631/* First entry in an absolute procedure linkage table look like this. */
1632
55e6e397 1633static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1634{
1635 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1636 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1637 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
c8614e8e 1638 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
fbca6ad9
AO
1639 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1640 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1641 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1642 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1643 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1644 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1645 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1646 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1647 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1648 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1649 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1650 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1651};
1652
55e6e397 1653static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1654{
1655 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1656 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1657 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
c8614e8e 1658 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
fbca6ad9
AO
1659 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1660 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1661 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1662 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1663 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1664 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1665 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1666 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1667 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1668 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1669 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1670 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1671};
1672
1673/* Sebsequent entries in an absolute procedure linkage table look like
1674 this. */
1675
55e6e397 1676static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1677{
1678 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1679 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1680 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1681 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1682 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1683 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1684 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1685 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1686 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1687 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1688 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1689 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1690 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1691 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1692 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1693 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1694};
1695
55e6e397 1696static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1697{
1698 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1699 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1700 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1701 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1702 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1703 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1704 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1705 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1706 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1707 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1708 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1709 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1710 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1711 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1712 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1713 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1714};
1715
1716/* Entries in a PIC procedure linkage table look like this. */
1717
55e6e397 1718static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1719{
1720 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1721 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1722 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1723 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1724 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1725 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1726 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1727 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1728 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1729 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
fbca6ad9
AO
1730 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1731 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1732 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1733 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1734 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1735 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1736};
1737
55e6e397 1738static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1739{
1740 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1741 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1742 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1743 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1744 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1745 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1746 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1747 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1748 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1749 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
fbca6ad9
AO
1750 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1751 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1752 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1753 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1754 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1755 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1756};
1757
55e6e397
RS
1758static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1759 {
1760 {
1761 /* Big-endian non-PIC. */
1762 elf_sh_plt0_entry_be,
1763 ELF_PLT_ENTRY_SIZE,
1764 { 0, MINUS_ONE, MINUS_ONE },
1765 elf_sh_plt_entry_be,
1766 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1767 { 0, 32, 48, FALSE },
1768 33, /* includes ISA encoding */
1769 NULL
55e6e397
RS
1770 },
1771 {
1772 /* Little-endian non-PIC. */
1773 elf_sh_plt0_entry_le,
1774 ELF_PLT_ENTRY_SIZE,
1775 { 0, MINUS_ONE, MINUS_ONE },
1776 elf_sh_plt_entry_le,
1777 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1778 { 0, 32, 48, FALSE },
1779 33, /* includes ISA encoding */
1780 NULL
55e6e397
RS
1781 },
1782 },
1783 {
1784 {
1785 /* Big-endian PIC. */
1786 elf_sh_plt0_entry_be,
1787 ELF_PLT_ENTRY_SIZE,
1788 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1789 elf_sh_pic_plt_entry_be,
1790 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1791 { 0, MINUS_ONE, 52, FALSE },
1792 33, /* includes ISA encoding */
1793 NULL
55e6e397
RS
1794 },
1795 {
1796 /* Little-endian PIC. */
1797 elf_sh_plt0_entry_le,
1798 ELF_PLT_ENTRY_SIZE,
1799 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1800 elf_sh_pic_plt_entry_le,
1801 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1802 { 0, MINUS_ONE, 52, FALSE },
1803 33, /* includes ISA encoding */
1804 NULL
55e6e397
RS
1805 },
1806 }
1807};
fbca6ad9
AO
1808
1809/* Return offset of the linker in PLT0 entry. */
1810#define elf_sh_plt0_gotplt_offset(info) 0
1811
55e6e397
RS
1812/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1813 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1814 not data.
fbca6ad9 1815
55e6e397 1816 On SH64, each 32-bit field is loaded by a movi/shori pair. */
fbca6ad9
AO
1817
1818inline static void
55e6e397
RS
1819install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1820 unsigned long value, bfd_byte *addr)
fbca6ad9 1821{
55e6e397 1822 value |= code_p;
fbca6ad9
AO
1823 bfd_put_32 (output_bfd,
1824 bfd_get_32 (output_bfd, addr)
1825 | ((value >> 6) & 0x3fffc00),
1826 addr);
1827 bfd_put_32 (output_bfd,
1828 bfd_get_32 (output_bfd, addr + 4)
1829 | ((value << 10) & 0x3fffc00),
1830 addr + 4);
1831}
1832
55e6e397
RS
1833/* Return the type of PLT associated with ABFD. PIC_P is true if
1834 the object is position-independent. */
1835
1836static const struct elf_sh_plt_info *
1837get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1838{
1839 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1840}
fbca6ad9 1841#else
37c644f2 1842/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1843
55e6e397 1844#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1845
1846/* First entry in an absolute procedure linkage table look like this. */
1847
6c426cf3 1848/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1849 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1850 corrupted here. This does mean however, that this PLT does not conform
1851 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1852 and r2 contains the GOT id. This version stores the GOT id in r0 and
1853 ignores the type. Loaders can easily detect this difference however,
1854 since the type will always be 0 or 8, and the GOT ids will always be
1855 greater than or equal to 12. */
55e6e397 1856static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1857{
1858 0xd0, 0x05, /* mov.l 2f,r0 */
1859 0x60, 0x02, /* mov.l @r0,r0 */
1860 0x2f, 0x06, /* mov.l r0,@-r15 */
1861 0xd0, 0x03, /* mov.l 1f,r0 */
1862 0x60, 0x02, /* mov.l @r0,r0 */
1863 0x40, 0x2b, /* jmp @r0 */
1864 0x60, 0xf6, /* mov.l @r15+,r0 */
1865 0x00, 0x09, /* nop */
1866 0x00, 0x09, /* nop */
1867 0x00, 0x09, /* nop */
1868 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1869 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1870};
1871
55e6e397 1872static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1873{
1874 0x05, 0xd0, /* mov.l 2f,r0 */
1875 0x02, 0x60, /* mov.l @r0,r0 */
1876 0x06, 0x2f, /* mov.l r0,@-r15 */
1877 0x03, 0xd0, /* mov.l 1f,r0 */
1878 0x02, 0x60, /* mov.l @r0,r0 */
1879 0x2b, 0x40, /* jmp @r0 */
1880 0xf6, 0x60, /* mov.l @r15+,r0 */
1881 0x09, 0x00, /* nop */
1882 0x09, 0x00, /* nop */
1883 0x09, 0x00, /* nop */
1884 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1885 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1886};
1887
1888/* Sebsequent entries in an absolute procedure linkage table look like
1889 this. */
1890
55e6e397 1891static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1892{
1893 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1894 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1895 0xd1, 0x02, /* mov.l 0f,r1 */
1896 0x40, 0x2b, /* jmp @r0 */
1897 0x60, 0x13, /* mov r1,r0 */
1898 0xd1, 0x03, /* mov.l 2f,r1 */
1899 0x40, 0x2b, /* jmp @r0 */
1900 0x00, 0x09, /* nop */
1901 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1902 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1903 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1904};
1905
55e6e397 1906static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1907{
1908 0x04, 0xd0, /* mov.l 1f,r0 */
1909 0x02, 0x60, /* mov.l @r0,r0 */
1910 0x02, 0xd1, /* mov.l 0f,r1 */
1911 0x2b, 0x40, /* jmp @r0 */
1912 0x13, 0x60, /* mov r1,r0 */
1913 0x03, 0xd1, /* mov.l 2f,r1 */
1914 0x2b, 0x40, /* jmp @r0 */
1915 0x09, 0x00, /* nop */
1916 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1917 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1918 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1919};
1920
1921/* Entries in a PIC procedure linkage table look like this. */
1922
55e6e397 1923static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1924{
1925 0xd0, 0x04, /* mov.l 1f,r0 */
1926 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1927 0x40, 0x2b, /* jmp @r0 */
1928 0x00, 0x09, /* nop */
1929 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1930 0xd1, 0x03, /* mov.l 2f,r1 */
1931 0x40, 0x2b, /* jmp @r0 */
1932 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1933 0x00, 0x09, /* nop */
1934 0x00, 0x09, /* nop */
1935 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1936 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1937};
1938
55e6e397 1939static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1940{
1941 0x04, 0xd0, /* mov.l 1f,r0 */
1942 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1943 0x2b, 0x40, /* jmp @r0 */
1944 0x09, 0x00, /* nop */
1945 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1946 0x03, 0xd1, /* mov.l 2f,r1 */
1947 0x2b, 0x40, /* jmp @r0 */
1948 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1949 0x09, 0x00, /* nop */
1950 0x09, 0x00, /* nop */
1951 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1952 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1953};
1954
55e6e397
RS
1955static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1956 {
1957 {
1958 /* Big-endian non-PIC. */
1959 elf_sh_plt0_entry_be,
1960 ELF_PLT_ENTRY_SIZE,
1961 { MINUS_ONE, 24, 20 },
1962 elf_sh_plt_entry_be,
1963 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1964 { 20, 16, 24, FALSE },
1965 8,
1966 NULL
55e6e397
RS
1967 },
1968 {
1969 /* Little-endian non-PIC. */
1970 elf_sh_plt0_entry_le,
1971 ELF_PLT_ENTRY_SIZE,
1972 { MINUS_ONE, 24, 20 },
1973 elf_sh_plt_entry_le,
1974 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1975 { 20, 16, 24, FALSE },
1976 8,
1977 NULL
55e6e397
RS
1978 },
1979 },
1980 {
1981 {
1982 /* Big-endian PIC. */
1983 elf_sh_plt0_entry_be,
1984 ELF_PLT_ENTRY_SIZE,
1985 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1986 elf_sh_pic_plt_entry_be,
1987 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1988 { 20, MINUS_ONE, 24, FALSE },
1989 8,
1990 NULL
55e6e397
RS
1991 },
1992 {
1993 /* Little-endian PIC. */
1994 elf_sh_plt0_entry_le,
1995 ELF_PLT_ENTRY_SIZE,
1996 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1997 elf_sh_pic_plt_entry_le,
1998 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1999 { 20, MINUS_ONE, 24, FALSE },
2000 8,
2001 NULL
55e6e397
RS
2002 },
2003 }
2004};
252b5132 2005
55e6e397
RS
2006#define VXWORKS_PLT_HEADER_SIZE 12
2007#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 2008
55e6e397
RS
2009static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
2010{
2011 0xd1, 0x01, /* mov.l @(8,pc),r1 */
2012 0x61, 0x12, /* mov.l @r1,r1 */
2013 0x41, 0x2b, /* jmp @r1 */
2014 0x00, 0x09, /* nop */
2015 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2016};
252b5132 2017
55e6e397
RS
2018static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
2019{
2020 0x01, 0xd1, /* mov.l @(8,pc),r1 */
2021 0x12, 0x61, /* mov.l @r1,r1 */
2022 0x2b, 0x41, /* jmp @r1 */
2023 0x09, 0x00, /* nop */
2024 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2025};
2026
2027static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2028{
2029 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2030 0x60, 0x02, /* mov.l @r0,r0 */
2031 0x40, 0x2b, /* jmp @r0 */
2032 0x00, 0x09, /* nop */
2033 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2034 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2035 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
2036 0x00, 0x09, /* nop */
2037 0x00, 0x09, /* nop */
2038 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2039};
2040
2041static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2042{
2043 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2044 0x02, 0x60, /* mov.l @r0,r0 */
2045 0x2b, 0x40, /* jmp @r0 */
2046 0x09, 0x00, /* nop */
2047 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2048 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2049 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
2050 0x09, 0x00, /* nop */
2051 0x09, 0x00, /* nop */
2052 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2053};
2054
2055static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2056{
2057 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2058 0x00, 0xce, /* mov.l @(r0,r12),r0 */
2059 0x40, 0x2b, /* jmp @r0 */
2060 0x00, 0x09, /* nop */
2061 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2062 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2063 0x51, 0xc2, /* mov.l @(8,r12),r1 */
2064 0x41, 0x2b, /* jmp @r1 */
2065 0x00, 0x09, /* nop */
2066 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2067};
2068
2069static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2070{
2071 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2072 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2073 0x2b, 0x40, /* jmp @r0 */
2074 0x09, 0x00, /* nop */
2075 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2076 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2077 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2078 0x2b, 0x41, /* jmp @r1 */
2079 0x09, 0x00, /* nop */
2080 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2081};
2082
2083static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2084 {
2085 {
2086 /* Big-endian non-PIC. */
2087 vxworks_sh_plt0_entry_be,
2088 VXWORKS_PLT_HEADER_SIZE,
2089 { MINUS_ONE, MINUS_ONE, 8 },
2090 vxworks_sh_plt_entry_be,
2091 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2092 { 8, 14, 20, FALSE },
2093 12,
2094 NULL
55e6e397
RS
2095 },
2096 {
2097 /* Little-endian non-PIC. */
2098 vxworks_sh_plt0_entry_le,
2099 VXWORKS_PLT_HEADER_SIZE,
2100 { MINUS_ONE, MINUS_ONE, 8 },
2101 vxworks_sh_plt_entry_le,
2102 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2103 { 8, 14, 20, FALSE },
2104 12,
2105 NULL
55e6e397
RS
2106 },
2107 },
2108 {
2109 {
2110 /* Big-endian PIC. */
2111 NULL,
2112 0,
2113 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2114 vxworks_sh_pic_plt_entry_be,
2115 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2116 { 8, MINUS_ONE, 20, FALSE },
2117 12,
2118 NULL
55e6e397
RS
2119 },
2120 {
2121 /* Little-endian PIC. */
2122 NULL,
2123 0,
2124 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2125 vxworks_sh_pic_plt_entry_le,
2126 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2127 { 8, MINUS_ONE, 20, FALSE },
2128 12,
2129 NULL
55e6e397
RS
2130 },
2131 }
2132};
9bdafcce 2133
8e45593f
NC
2134/* FDPIC PLT entries. Two unimplemented optimizations for lazy
2135 binding are to omit the lazy binding stub when linking with -z now
2136 and to move lazy binding stubs into a separate region for better
2137 cache behavior. */
2138
2139#define FDPIC_PLT_ENTRY_SIZE 28
2140#define FDPIC_PLT_LAZY_OFFSET 20
2141
2142/* FIXME: The lazy binding stub requires a plt0 - which may need to be
2143 duplicated if it is out of range, or which can be inlined. So
2144 right now it is always inlined, which wastes a word per stub. It
2145 might be easier to handle the duplication if we put the lazy
2146 stubs separately. */
2147
2148static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
2149{
2150 0xd0, 0x02, /* mov.l @(12,pc),r0 */
2151 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2152 0x70, 0x04, /* add #4, r0 */
2153 0x41, 0x2b, /* jmp @r1 */
2154 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2155 0x00, 0x09, /* nop */
2156 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2157 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2158 0x60, 0xc2, /* mov.l @r12,r0 */
2159 0x40, 0x2b, /* jmp @r0 */
2160 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2161 0x00, 0x09, /* nop */
2162};
2163
2164static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
2165{
2166 0x02, 0xd0, /* mov.l @(12,pc),r0 */
2167 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2168 0x04, 0x70, /* add #4, r0 */
2169 0x2b, 0x41, /* jmp @r1 */
2170 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2171 0x09, 0x00, /* nop */
2172 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2173 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2174 0xc2, 0x60, /* mov.l @r12,r0 */
2175 0x2b, 0x40, /* jmp @r0 */
2176 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2177 0x09, 0x00, /* nop */
2178};
2179
2180static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
2181 {
2182 /* Big-endian PIC. */
2183 NULL,
2184 0,
2185 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2186 fdpic_sh_plt_entry_be,
2187 FDPIC_PLT_ENTRY_SIZE,
2188 { 12, MINUS_ONE, 16, FALSE },
2189 FDPIC_PLT_LAZY_OFFSET,
2190 NULL
2191 },
2192 {
2193 /* Little-endian PIC. */
2194 NULL,
2195 0,
2196 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2197 fdpic_sh_plt_entry_le,
2198 FDPIC_PLT_ENTRY_SIZE,
2199 { 12, MINUS_ONE, 16, FALSE },
2200 FDPIC_PLT_LAZY_OFFSET,
2201 NULL
2202 },
2203};
2204
2205/* On SH2A, we can use the movi20 instruction to generate shorter PLT
2206 entries for the first 64K slots. We use the normal FDPIC PLT entry
2207 past that point; we could also use movi20s, which might be faster,
2208 but would not be any smaller. */
2209
2210#define FDPIC_SH2A_PLT_ENTRY_SIZE 24
2211#define FDPIC_SH2A_PLT_LAZY_OFFSET 16
2212
2213static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2214{
2215 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2216 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2217 0x70, 0x04, /* add #4, r0 */
2218 0x41, 0x2b, /* jmp @r1 */
2219 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2220 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2221 0x60, 0xc2, /* mov.l @r12,r0 */
2222 0x40, 0x2b, /* jmp @r0 */
2223 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2224 0x00, 0x09, /* nop */
2225};
2226
2227static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2228{
2229 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2230 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2231 0x04, 0x70, /* add #4, r0 */
2232 0x2b, 0x41, /* jmp @r1 */
2233 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2234 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2235 0xc2, 0x60, /* mov.l @r12,r0 */
2236 0x2b, 0x40, /* jmp @r0 */
2237 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2238 0x09, 0x00, /* nop */
2239};
2240
2241static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
2242 /* Big-endian FDPIC, max index 64K. */
2243 NULL,
2244 0,
2245 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2246 fdpic_sh2a_plt_entry_be,
2247 FDPIC_SH2A_PLT_ENTRY_SIZE,
2248 { 0, MINUS_ONE, 12, TRUE },
2249 FDPIC_SH2A_PLT_LAZY_OFFSET,
2250 NULL
2251};
2252
2253static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
2254 /* Little-endian FDPIC, max index 64K. */
2255 NULL,
2256 0,
2257 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2258 fdpic_sh2a_plt_entry_le,
2259 FDPIC_SH2A_PLT_ENTRY_SIZE,
2260 { 0, MINUS_ONE, 12, TRUE },
2261 FDPIC_SH2A_PLT_LAZY_OFFSET,
2262 NULL
2263};
2264
2265static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
2266 {
2267 /* Big-endian PIC. */
2268 NULL,
2269 0,
2270 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2271 fdpic_sh_plt_entry_be,
2272 FDPIC_PLT_ENTRY_SIZE,
2273 { 12, MINUS_ONE, 16, FALSE },
2274 FDPIC_PLT_LAZY_OFFSET,
2275 &fdpic_sh2a_short_plt_be
2276 },
2277 {
2278 /* Little-endian PIC. */
2279 NULL,
2280 0,
2281 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2282 fdpic_sh_plt_entry_le,
2283 FDPIC_PLT_ENTRY_SIZE,
2284 { 12, MINUS_ONE, 16, FALSE },
2285 FDPIC_PLT_LAZY_OFFSET,
2286 &fdpic_sh2a_short_plt_le
2287 },
2288};
2289
55e6e397
RS
2290/* Return the type of PLT associated with ABFD. PIC_P is true if
2291 the object is position-independent. */
9bdafcce 2292
55e6e397 2293static const struct elf_sh_plt_info *
8e45593f 2294get_plt_info (bfd *abfd, bfd_boolean pic_p)
55e6e397 2295{
8e45593f
NC
2296 if (fdpic_object_p (abfd))
2297 {
2298 /* If any input file requires SH2A we can use a shorter PLT
2299 sequence. */
2300 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2301 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2302 else
2303 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2304 }
55e6e397
RS
2305 if (vxworks_object_p (abfd))
2306 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2307 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2308}
9bdafcce 2309
55e6e397
RS
2310/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2311 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2312 not data. */
9bdafcce 2313
55e6e397
RS
2314inline static void
2315install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2316 unsigned long value, bfd_byte *addr)
2317{
2318 bfd_put_32 (output_bfd, value, addr);
2319}
fbca6ad9 2320#endif
015551fc 2321
8e45593f
NC
2322/* The number of PLT entries which can use a shorter PLT, if any.
2323 Currently always 64K, since only SH-2A FDPIC uses this; a
2324 20-bit movi20 can address that many function descriptors below
2325 _GLOBAL_OFFSET_TABLE_. */
2326#define MAX_SHORT_PLT 65536
2327
55e6e397
RS
2328/* Return the index of the PLT entry at byte offset OFFSET. */
2329
2330static bfd_vma
2331get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2332{
8e45593f
NC
2333 bfd_vma plt_index = 0;
2334
2335 offset -= info->plt0_entry_size;
2336 if (info->short_plt != NULL)
2337 {
2338 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2339 {
2340 plt_index = MAX_SHORT_PLT;
2341 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2342 }
2343 else
2344 info = info->short_plt;
2345 }
2346 return plt_index + offset / info->symbol_entry_size;
55e6e397
RS
2347}
2348
2349/* Do the inverse operation. */
2350
2351static bfd_vma
91d6fa6a 2352get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
55e6e397 2353{
8e45593f
NC
2354 bfd_vma offset = 0;
2355
2356 if (info->short_plt != NULL)
2357 {
2358 if (plt_index > MAX_SHORT_PLT)
2359 {
2360 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2361 plt_index -= MAX_SHORT_PLT;
2362 }
2363 else
2364 info = info->short_plt;
2365 }
2366 return (offset + info->plt0_entry_size
2367 + (plt_index * info->symbol_entry_size));
55e6e397
RS
2368}
2369
37c644f2 2370/* The sh linker needs to keep track of the number of relocs that it
067653c5
AM
2371 decides to copy as dynamic relocs in check_relocs for each symbol.
2372 This is so that it can later discard them if they are found to be
2373 unnecessary. We store the information in a field extending the
2374 regular ELF linker hash table. */
252b5132 2375
067653c5 2376struct elf_sh_dyn_relocs
38b1a46c 2377{
067653c5
AM
2378 struct elf_sh_dyn_relocs *next;
2379
2380 /* The input section of the reloc. */
2381 asection *sec;
2382
2383 /* Total number of relocs copied for the input section. */
37c644f2 2384 bfd_size_type count;
067653c5
AM
2385
2386 /* Number of pc-relative relocs copied for the input section. */
2387 bfd_size_type pc_count;
37c644f2 2388};
252b5132 2389
8e45593f
NC
2390union gotref
2391{
2392 bfd_signed_vma refcount;
2393 bfd_vma offset;
2394};
2395
37c644f2
AO
2396/* sh ELF linker hash entry. */
2397
38b1a46c
NC
2398struct elf_sh_link_hash_entry
2399{
37c644f2
AO
2400 struct elf_link_hash_entry root;
2401
fbca6ad9 2402#ifdef INCLUDE_SHMEDIA
396a6083
SC
2403 union
2404 {
2405 bfd_signed_vma refcount;
2406 bfd_vma offset;
2407 } datalabel_got;
fbca6ad9
AO
2408#endif
2409
067653c5
AM
2410 /* Track dynamic relocs copied for this symbol. */
2411 struct elf_sh_dyn_relocs *dyn_relocs;
4989d792
SC
2412
2413 bfd_signed_vma gotplt_refcount;
3376eaf5 2414
8e45593f
NC
2415 /* A local function descriptor, for FDPIC. The refcount counts
2416 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2417 relocations; the PLT and GOT entry are accounted
2418 for separately. After adjust_dynamic_symbol, the offset is
2419 MINUS_ONE if there is no local descriptor (dynamic linker
2420 managed and no PLT entry, or undefined weak non-dynamic).
2421 During check_relocs we do not yet know whether the local
2422 descriptor will be canonical. */
2423 union gotref funcdesc;
2424
2425 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2426 and thus require fixups or relocations. */
2427 bfd_signed_vma abs_funcdesc_refcount;
2428
85e02784 2429 enum got_type {
8e45593f
NC
2430 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2431 } got_type;
3376eaf5
KK
2432};
2433
2434#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2435
2436struct sh_elf_obj_tdata
2437{
2438 struct elf_obj_tdata root;
2439
8e45593f
NC
2440 /* got_type for each local got entry. */
2441 char *local_got_type;
2442
2443 /* Function descriptor refcount and offset for each local symbol. */
2444 union gotref *local_funcdesc;
37c644f2
AO
2445};
2446
3376eaf5
KK
2447#define sh_elf_tdata(abfd) \
2448 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2449
8e45593f
NC
2450#define sh_elf_local_got_type(abfd) \
2451 (sh_elf_tdata (abfd)->local_got_type)
2452
2453#define sh_elf_local_funcdesc(abfd) \
2454 (sh_elf_tdata (abfd)->local_funcdesc)
3376eaf5 2455
0ffa91dd
NC
2456#define is_sh_elf(bfd) \
2457 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2458 && elf_tdata (bfd) != NULL \
4dfe6ac6 2459 && elf_object_id (bfd) == SH_ELF_DATA)
0ffa91dd 2460
3376eaf5
KK
2461/* Override the generic function because we need to store sh_elf_obj_tdata
2462 as the specific tdata. */
2463
b34976b6 2464static bfd_boolean
09fd220b 2465sh_elf_mkobject (bfd *abfd)
3376eaf5 2466{
0ffa91dd 2467 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
4dfe6ac6 2468 SH_ELF_DATA);
3376eaf5 2469}
b34976b6 2470
37c644f2
AO
2471/* sh ELF linker hash table. */
2472
38b1a46c
NC
2473struct elf_sh_link_hash_table
2474{
37c644f2 2475 struct elf_link_hash_table root;
37c644f2 2476
067653c5 2477 /* Short-cuts to get to dynamic linker sections. */
067653c5
AM
2478 asection *sdynbss;
2479 asection *srelbss;
8e45593f
NC
2480 asection *sfuncdesc;
2481 asection *srelfuncdesc;
2482 asection *srofixup;
37c644f2 2483
55e6e397
RS
2484 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2485 asection *srelplt2;
2486
87d72d41
AM
2487 /* Small local sym cache. */
2488 struct sym_cache sym_cache;
3376eaf5
KK
2489
2490 /* A counter or offset to track a TLS got entry. */
2491 union
2492 {
2493 bfd_signed_vma refcount;
2494 bfd_vma offset;
2495 } tls_ldm_got;
55e6e397
RS
2496
2497 /* The type of PLT to use. */
2498 const struct elf_sh_plt_info *plt_info;
2499
2500 /* True if the target system is VxWorks. */
2501 bfd_boolean vxworks_p;
8e45593f
NC
2502
2503 /* True if the target system uses FDPIC. */
2504 bfd_boolean fdpic_p;
067653c5 2505};
37c644f2
AO
2506
2507/* Traverse an sh ELF linker hash table. */
2508
2509#define sh_elf_link_hash_traverse(table, func, info) \
2510 (elf_link_hash_traverse \
2511 (&(table)->root, \
09fd220b 2512 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2513 (info)))
2514
2515/* Get the sh ELF linker hash table from a link_info structure. */
2516
2517#define sh_elf_hash_table(p) \
4dfe6ac6
NC
2518 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2519 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
37c644f2
AO
2520
2521/* Create an entry in an sh ELF linker hash table. */
2522
2523static struct bfd_hash_entry *
09fd220b
KK
2524sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2525 struct bfd_hash_table *table,
2526 const char *string)
37c644f2
AO
2527{
2528 struct elf_sh_link_hash_entry *ret =
2529 (struct elf_sh_link_hash_entry *) entry;
2530
2531 /* Allocate the structure if it has not already been allocated by a
2532 subclass. */
2533 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2534 ret = ((struct elf_sh_link_hash_entry *)
2535 bfd_hash_allocate (table,
2536 sizeof (struct elf_sh_link_hash_entry)));
2537 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2538 return (struct bfd_hash_entry *) ret;
2539
2540 /* Call the allocation method of the superclass. */
2541 ret = ((struct elf_sh_link_hash_entry *)
2542 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2543 table, string));
2544 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2545 {
396a6083
SC
2546 ret->dyn_relocs = NULL;
2547 ret->gotplt_refcount = 0;
fbca6ad9 2548#ifdef INCLUDE_SHMEDIA
396a6083 2549 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2550#endif
8e45593f
NC
2551 ret->funcdesc.refcount = 0;
2552 ret->abs_funcdesc_refcount = 0;
2553 ret->got_type = GOT_UNKNOWN;
37c644f2
AO
2554 }
2555
2556 return (struct bfd_hash_entry *) ret;
2557}
2558
2559/* Create an sh ELF linker hash table. */
2560
2561static struct bfd_link_hash_table *
09fd220b 2562sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2563{
2564 struct elf_sh_link_hash_table *ret;
dc810e39 2565 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2566
0e5de31a 2567 ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt);
37c644f2
AO
2568 if (ret == (struct elf_sh_link_hash_table *) NULL)
2569 return NULL;
2570
66eb6687
AM
2571 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2572 sh_elf_link_hash_newfunc,
4dfe6ac6
NC
2573 sizeof (struct elf_sh_link_hash_entry),
2574 SH_ELF_DATA))
37c644f2 2575 {
e2d34d7d 2576 free (ret);
37c644f2
AO
2577 return NULL;
2578 }
2579
55e6e397 2580 ret->vxworks_p = vxworks_object_p (abfd);
8e45593f 2581 ret->fdpic_p = fdpic_object_p (abfd);
067653c5 2582
37c644f2
AO
2583 return &ret->root.root;
2584}
2585
8e45593f
NC
2586static bfd_boolean
2587sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2588 struct bfd_link_info *info, asection *p)
2589{
2590 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2591
2592 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2593 if (!htab->fdpic_p)
2594 return TRUE;
2595
2596 /* We need dynamic symbols for every section, since segments can
2597 relocate independently. */
2598 switch (elf_section_data (p)->this_hdr.sh_type)
2599 {
2600 case SHT_PROGBITS:
2601 case SHT_NOBITS:
2602 /* If sh_type is yet undecided, assume it could be
2603 SHT_PROGBITS/SHT_NOBITS. */
2604 case SHT_NULL:
2605 return FALSE;
2606
2607 /* There shouldn't be section relative relocations
2608 against any other section. */
2609 default:
2610 return TRUE;
2611 }
2612}
2613
067653c5
AM
2614/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2615 shortcuts to them in our hash table. */
2616
b34976b6 2617static bfd_boolean
09fd220b 2618create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2619{
2620 struct elf_sh_link_hash_table *htab;
2621
2622 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2623 return FALSE;
067653c5
AM
2624
2625 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2626 if (htab == NULL)
2627 return FALSE;
2628
3d4d4302
AM
2629 htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
2630 (SEC_ALLOC | SEC_LOAD
2631 | SEC_HAS_CONTENTS
2632 | SEC_IN_MEMORY
2633 | SEC_LINKER_CREATED));
8e45593f
NC
2634 if (htab->sfuncdesc == NULL
2635 || ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2))
2636 return FALSE;
2637
3d4d4302
AM
2638 htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
2639 ".rela.got.funcdesc",
2640 (SEC_ALLOC | SEC_LOAD
2641 | SEC_HAS_CONTENTS
2642 | SEC_IN_MEMORY
2643 | SEC_LINKER_CREATED
2644 | SEC_READONLY));
8e45593f
NC
2645 if (htab->srelfuncdesc == NULL
2646 || ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2))
2647 return FALSE;
2648
2649 /* Also create .rofixup. */
3d4d4302
AM
2650 htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
2651 (SEC_ALLOC | SEC_LOAD
2652 | SEC_HAS_CONTENTS
2653 | SEC_IN_MEMORY
2654 | SEC_LINKER_CREATED
2655 | SEC_READONLY));
8e45593f
NC
2656 if (htab->srofixup == NULL
2657 || ! bfd_set_section_alignment (dynobj, htab->srofixup, 2))
2658 return FALSE;
2659
b34976b6 2660 return TRUE;
067653c5
AM
2661}
2662
37c644f2
AO
2663/* Create dynamic sections when linking against a dynamic object. */
2664
b34976b6 2665static bfd_boolean
09fd220b 2666sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2667{
067653c5 2668 struct elf_sh_link_hash_table *htab;
37c644f2 2669 flagword flags, pltflags;
91d6fa6a 2670 asection *s;
9c5bfbb7 2671 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2672 int ptralign = 0;
2673
2674 switch (bed->s->arch_size)
2675 {
2676 case 32:
2677 ptralign = 2;
2678 break;
2679
2680 case 64:
2681 ptralign = 3;
2682 break;
2683
2684 default:
2685 bfd_set_error (bfd_error_bad_value);
b34976b6 2686 return FALSE;
37c644f2
AO
2687 }
2688
067653c5 2689 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2690 if (htab == NULL)
2691 return FALSE;
2692
35cad4c4
KK
2693 if (htab->root.dynamic_sections_created)
2694 return TRUE;
067653c5 2695
37c644f2
AO
2696 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2697 .rel[a].bss sections. */
2698
2699 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2700 | SEC_LINKER_CREATED);
2701
2702 pltflags = flags;
2703 pltflags |= SEC_CODE;
2704 if (bed->plt_not_loaded)
2705 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2706 if (bed->plt_readonly)
2707 pltflags |= SEC_READONLY;
2708
3d4d4302 2709 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
ce558b89 2710 htab->root.splt = s;
35cad4c4 2711 if (s == NULL
35cad4c4
KK
2712 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2713 return FALSE;
37c644f2
AO
2714
2715 if (bed->want_plt_sym)
2716 {
2717 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2718 .plt section. */
14a793b2
AM
2719 struct elf_link_hash_entry *h;
2720 struct bfd_link_hash_entry *bh = NULL;
2721
37c644f2
AO
2722 if (! (_bfd_generic_link_add_one_symbol
2723 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2724 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2725 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2726 return FALSE;
14a793b2
AM
2727
2728 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2729 h->def_regular = 1;
37c644f2 2730 h->type = STT_OBJECT;
7325306f 2731 htab->root.hplt = h;
37c644f2 2732
0e1862bb 2733 if (bfd_link_pic (info)
c152c796 2734 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2735 return FALSE;
37c644f2
AO
2736 }
2737
3d4d4302
AM
2738 s = bfd_make_section_anyway_with_flags (abfd,
2739 bed->default_use_rela_p
2740 ? ".rela.plt" : ".rel.plt",
2741 flags | SEC_READONLY);
ce558b89 2742 htab->root.srelplt = s;
35cad4c4 2743 if (s == NULL
35cad4c4
KK
2744 || ! bfd_set_section_alignment (abfd, s, ptralign))
2745 return FALSE;
37c644f2 2746
ce558b89 2747 if (htab->root.sgot == NULL
2293c499 2748 && !create_got_section (abfd, info))
b34976b6 2749 return FALSE;
37c644f2 2750
37c644f2
AO
2751 if (bed->want_dynbss)
2752 {
2753 /* The .dynbss section is a place to put symbols which are defined
2754 by dynamic objects, are referenced by regular objects, and are
2755 not functions. We must allocate space for them in the process
2756 image and use a R_*_COPY reloc to tell the dynamic linker to
2757 initialize them at run time. The linker script puts the .dynbss
2758 section into the .bss section of the final image. */
3d4d4302
AM
2759 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2760 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2761 htab->sdynbss = s;
3496cb2a 2762 if (s == NULL)
35cad4c4 2763 return FALSE;
37c644f2
AO
2764
2765 /* The .rel[a].bss section holds copy relocs. This section is not
2766 normally needed. We need to create it here, though, so that the
2767 linker will map it to an output section. We can't just create it
2768 only if we need it, because we will not know whether we need it
2769 until we have seen all the input files, and the first time the
2770 main linker code calls BFD after examining all the input files
2771 (size_dynamic_sections) the input sections have already been
2772 mapped to the output sections. If the section turns out not to
2773 be needed, we can discard it later. We will never need this
2774 section when generating a shared object, since they do not use
2775 copy relocs. */
0e1862bb 2776 if (! bfd_link_pic (info))
37c644f2 2777 {
3d4d4302
AM
2778 s = bfd_make_section_anyway_with_flags (abfd,
2779 (bed->default_use_rela_p
2780 ? ".rela.bss" : ".rel.bss"),
2781 flags | SEC_READONLY);
067653c5 2782 htab->srelbss = s;
37c644f2 2783 if (s == NULL
37c644f2 2784 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2785 return FALSE;
37c644f2
AO
2786 }
2787 }
2788
55e6e397
RS
2789 if (htab->vxworks_p)
2790 {
2791 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2792 return FALSE;
2793 }
2794
b34976b6 2795 return TRUE;
37c644f2
AO
2796}
2797\f
37c644f2
AO
2798/* Adjust a symbol defined by a dynamic object and referenced by a
2799 regular object. The current definition is in some section of the
2800 dynamic object, but we're not including those sections. We have to
2801 change the definition to something the rest of the link can
2802 understand. */
2803
b34976b6 2804static bfd_boolean
09fd220b
KK
2805sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2806 struct elf_link_hash_entry *h)
37c644f2 2807{
067653c5
AM
2808 struct elf_sh_link_hash_table *htab;
2809 struct elf_sh_link_hash_entry *eh;
2810 struct elf_sh_dyn_relocs *p;
37c644f2 2811 asection *s;
37c644f2 2812
2293c499 2813 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2814 if (htab == NULL)
2815 return FALSE;
37c644f2
AO
2816
2817 /* Make sure we know what is going on here. */
2293c499 2818 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2819 && (h->needs_plt
f6e332e6 2820 || h->u.weakdef != NULL
f5385ebf
AM
2821 || (h->def_dynamic
2822 && h->ref_regular
2823 && !h->def_regular)));
37c644f2
AO
2824
2825 /* If this is a function, put it in the procedure linkage table. We
2826 will fill in the contents of the procedure linkage table later,
2827 when we know the address of the .got section. */
2828 if (h->type == STT_FUNC
f5385ebf 2829 || h->needs_plt)
37c644f2 2830 {
067653c5 2831 if (h->plt.refcount <= 0
3d85aebe
KK
2832 || SYMBOL_CALLS_LOCAL (info, h)
2833 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2834 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2835 {
2836 /* This case can occur if we saw a PLT reloc in an input
2837 file, but the symbol was never referred to by a dynamic
2838 object. In such a case, we don't actually need to build
2839 a procedure linkage table, and we can just do a REL32
2840 reloc instead. */
067653c5 2841 h->plt.offset = (bfd_vma) -1;
f5385ebf 2842 h->needs_plt = 0;
37c644f2
AO
2843 }
2844
b34976b6 2845 return TRUE;
37c644f2 2846 }
067653c5
AM
2847 else
2848 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2849
2850 /* If this is a weak symbol, and there is a real definition, the
2851 processor independent code will have arranged for us to see the
2852 real definition first, and we can just use the same value. */
f6e332e6 2853 if (h->u.weakdef != NULL)
37c644f2 2854 {
f6e332e6
AM
2855 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2856 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2857 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2858 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2859 if (info->nocopyreloc)
f6e332e6 2860 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2861 return TRUE;
37c644f2
AO
2862 }
2863
2864 /* This is a reference to a symbol defined by a dynamic object which
2865 is not a function. */
2866
2867 /* If we are creating a shared library, we must presume that the
2868 only references to the symbol are via the global offset table.
2869 For such cases we need not do anything here; the relocations will
2870 be handled correctly by relocate_section. */
0e1862bb 2871 if (bfd_link_pic (info))
b34976b6 2872 return TRUE;
37c644f2
AO
2873
2874 /* If there are no references to this symbol that do not use the
2875 GOT, we don't need to generate a copy reloc. */
f5385ebf 2876 if (!h->non_got_ref)
b34976b6 2877 return TRUE;
37c644f2 2878
067653c5
AM
2879 /* If -z nocopyreloc was given, we won't generate them either. */
2880 if (info->nocopyreloc)
2881 {
f5385ebf 2882 h->non_got_ref = 0;
b34976b6 2883 return TRUE;
067653c5
AM
2884 }
2885
2886 eh = (struct elf_sh_link_hash_entry *) h;
2887 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2888 {
2889 s = p->sec->output_section;
2890 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2891 break;
2892 }
2893
2894 /* If we didn't find any dynamic relocs in sections which needs the
2895 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2896 the copy reloc. */
2897 if (p == NULL)
2898 {
f5385ebf 2899 h->non_got_ref = 0;
b34976b6 2900 return TRUE;
067653c5
AM
2901 }
2902
37c644f2
AO
2903 /* We must allocate the symbol in our .dynbss section, which will
2904 become part of the .bss section of the executable. There will be
2905 an entry for this symbol in the .dynsym section. The dynamic
2906 object will contain position independent code, so all references
2907 from the dynamic object to this symbol will go through the global
2908 offset table. The dynamic linker will use the .dynsym entry to
2909 determine the address it must put in the global offset table, so
2910 both the dynamic object and the regular object will refer to the
2911 same memory location for the variable. */
2912
067653c5 2913 s = htab->sdynbss;
37c644f2
AO
2914 BFD_ASSERT (s != NULL);
2915
2916 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2917 copy the initial value out of the dynamic object and into the
2918 runtime process image. We need to remember the offset into the
2919 .rela.bss section we are going to use. */
1d7e9d18 2920 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
37c644f2
AO
2921 {
2922 asection *srel;
2923
067653c5 2924 srel = htab->srelbss;
37c644f2 2925 BFD_ASSERT (srel != NULL);
eea6121a 2926 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2927 h->needs_copy = 1;
37c644f2
AO
2928 }
2929
6cabe1ea 2930 return _bfd_elf_adjust_dynamic_copy (info, h, s);
37c644f2
AO
2931}
2932
067653c5
AM
2933/* Allocate space in .plt, .got and associated reloc sections for
2934 dynamic relocs. */
2935
b34976b6 2936static bfd_boolean
09fd220b 2937allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2938{
2939 struct bfd_link_info *info;
2940 struct elf_sh_link_hash_table *htab;
2941 struct elf_sh_link_hash_entry *eh;
2942 struct elf_sh_dyn_relocs *p;
2943
2944 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2945 return TRUE;
067653c5 2946
067653c5
AM
2947 info = (struct bfd_link_info *) inf;
2948 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2949 if (htab == NULL)
2950 return FALSE;
067653c5 2951
4989d792
SC
2952 eh = (struct elf_sh_link_hash_entry *) h;
2953 if ((h->got.refcount > 0
f5385ebf 2954 || h->forced_local)
4989d792
SC
2955 && eh->gotplt_refcount > 0)
2956 {
2957 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2958 so treat all the gotplt refs as got refs. */
4989d792
SC
2959 h->got.refcount += eh->gotplt_refcount;
2960 if (h->plt.refcount >= eh->gotplt_refcount)
2961 h->plt.refcount -= eh->gotplt_refcount;
2962 }
2963
067653c5 2964 if (htab->root.dynamic_sections_created
04e534c3
KK
2965 && h->plt.refcount > 0
2966 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2967 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2968 {
2969 /* Make sure this symbol is output as a dynamic symbol.
2970 Undefined weak syms won't yet be marked as dynamic. */
2971 if (h->dynindx == -1
f5385ebf 2972 && !h->forced_local)
067653c5 2973 {
c152c796 2974 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2975 return FALSE;
067653c5
AM
2976 }
2977
0e1862bb 2978 if (bfd_link_pic (info)
267fb3c1 2979 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5 2980 {
ce558b89 2981 asection *s = htab->root.splt;
8e45593f 2982 const struct elf_sh_plt_info *plt_info;
067653c5
AM
2983
2984 /* If this is the first .plt entry, make room for the special
2985 first entry. */
eea6121a 2986 if (s->size == 0)
55e6e397 2987 s->size += htab->plt_info->plt0_entry_size;
067653c5 2988
eea6121a 2989 h->plt.offset = s->size;
067653c5
AM
2990
2991 /* If this symbol is not defined in a regular file, and we are
2992 not generating a shared library, then set the symbol to this
2993 location in the .plt. This is required to make function
2994 pointers compare as equal between the normal executable and
8e45593f
NC
2995 the shared library. Skip this for FDPIC, since the
2996 function's address will be the address of the canonical
2997 function descriptor. */
0e1862bb 2998 if (!htab->fdpic_p && !bfd_link_pic (info) && !h->def_regular)
067653c5
AM
2999 {
3000 h->root.u.def.section = s;
3001 h->root.u.def.value = h->plt.offset;
3002 }
3003
3004 /* Make room for this entry. */
8e45593f
NC
3005 plt_info = htab->plt_info;
3006 if (plt_info->short_plt != NULL
3007 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
3008 plt_info = plt_info->short_plt;
3009 s->size += plt_info->symbol_entry_size;
067653c5
AM
3010
3011 /* We also need to make an entry in the .got.plt section, which
3012 will be placed in the .got section by the linker script. */
8e45593f 3013 if (!htab->fdpic_p)
ce558b89 3014 htab->root.sgotplt->size += 4;
8e45593f 3015 else
ce558b89 3016 htab->root.sgotplt->size += 8;
067653c5
AM
3017
3018 /* We also need to make an entry in the .rel.plt section. */
ce558b89 3019 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
55e6e397 3020
0e1862bb 3021 if (htab->vxworks_p && !bfd_link_pic (info))
55e6e397
RS
3022 {
3023 /* VxWorks executables have a second set of relocations
3024 for each PLT entry. They go in a separate relocation
3025 section, which is processed by the kernel loader. */
3026
3027 /* There is a relocation for the initial PLT entry:
3028 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
3029 if (h->plt.offset == htab->plt_info->plt0_entry_size)
3030 htab->srelplt2->size += sizeof (Elf32_External_Rela);
3031
3032 /* There are two extra relocations for each subsequent
3033 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
3034 and an R_SH_DIR32 relocation for the PLT entry. */
3035 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
3036 }
067653c5
AM
3037 }
3038 else
3039 {
3040 h->plt.offset = (bfd_vma) -1;
f5385ebf 3041 h->needs_plt = 0;
067653c5
AM
3042 }
3043 }
3044 else
3045 {
3046 h->plt.offset = (bfd_vma) -1;
f5385ebf 3047 h->needs_plt = 0;
067653c5
AM
3048 }
3049
3050 if (h->got.refcount > 0)
3051 {
3052 asection *s;
b34976b6 3053 bfd_boolean dyn;
85e02784 3054 enum got_type got_type = sh_elf_hash_entry (h)->got_type;
067653c5
AM
3055
3056 /* Make sure this symbol is output as a dynamic symbol.
3057 Undefined weak syms won't yet be marked as dynamic. */
3058 if (h->dynindx == -1
f5385ebf 3059 && !h->forced_local)
067653c5 3060 {
c152c796 3061 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3062 return FALSE;
067653c5
AM
3063 }
3064
ce558b89 3065 s = htab->root.sgot;
eea6121a
AM
3066 h->got.offset = s->size;
3067 s->size += 4;
3376eaf5 3068 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
8e45593f 3069 if (got_type == GOT_TLS_GD)
eea6121a 3070 s->size += 4;
067653c5 3071 dyn = htab->root.dynamic_sections_created;
8e45593f
NC
3072 if (!dyn)
3073 {
3074 /* No dynamic relocations required. */
0e1862bb 3075 if (htab->fdpic_p && !bfd_link_pic (info)
8e45593f
NC
3076 && h->root.type != bfd_link_hash_undefweak
3077 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
3078 htab->srofixup->size += 4;
3079 }
87458ed2 3080 /* No dynamic relocations required when IE->LE conversion happens. */
0e1862bb
L
3081 else if (got_type == GOT_TLS_IE
3082 && !h->def_dynamic
3083 && !bfd_link_pic (info))
87458ed2 3084 ;
267fb3c1 3085 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5 3086 R_SH_TLS_GD needs one if local symbol and two if global. */
8e45593f
NC
3087 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
3088 || got_type == GOT_TLS_IE)
ce558b89 3089 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 3090 else if (got_type == GOT_TLS_GD)
ce558b89 3091 htab->root.srelgot->size += 2 * sizeof (Elf32_External_Rela);
8e45593f
NC
3092 else if (got_type == GOT_FUNCDESC)
3093 {
0e1862bb 3094 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
3095 htab->srofixup->size += 4;
3096 else
ce558b89 3097 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 3098 }
04e534c3
KK
3099 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3100 || h->root.type != bfd_link_hash_undefweak)
0e1862bb 3101 && (bfd_link_pic (info)
04e534c3 3102 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
ce558b89 3103 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
0e1862bb
L
3104 else if (htab->fdpic_p
3105 && !bfd_link_pic (info)
3106 && got_type == GOT_NORMAL
8e45593f
NC
3107 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3108 || h->root.type != bfd_link_hash_undefweak))
3109 htab->srofixup->size += 4;
067653c5
AM
3110 }
3111 else
3112 h->got.offset = (bfd_vma) -1;
3113
396a6083
SC
3114#ifdef INCLUDE_SHMEDIA
3115 if (eh->datalabel_got.refcount > 0)
3116 {
3117 asection *s;
b34976b6 3118 bfd_boolean dyn;
396a6083
SC
3119
3120 /* Make sure this symbol is output as a dynamic symbol.
3121 Undefined weak syms won't yet be marked as dynamic. */
3122 if (h->dynindx == -1
f5385ebf 3123 && !h->forced_local)
396a6083 3124 {
c152c796 3125 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3126 return FALSE;
396a6083
SC
3127 }
3128
ce558b89 3129 s = htab->root.sgot;
eea6121a
AM
3130 eh->datalabel_got.offset = s->size;
3131 s->size += 4;
396a6083 3132 dyn = htab->root.dynamic_sections_created;
0e1862bb 3133 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
ce558b89 3134 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
3135 }
3136 else
3137 eh->datalabel_got.offset = (bfd_vma) -1;
3138#endif
3139
8e45593f
NC
3140 /* Allocate space for any dynamic relocations to function
3141 descriptors, canonical or otherwise. We need to relocate the
3142 reference unless it resolves to zero, which only happens for
3143 undefined weak symbols (either non-default visibility, or when
3144 static linking). Any GOT slot is accounted for elsewhere. */
3145 if (eh->abs_funcdesc_refcount > 0
3146 && (h->root.type != bfd_link_hash_undefweak
3147 || (htab->root.dynamic_sections_created
3148 && ! SYMBOL_CALLS_LOCAL (info, h))))
3149 {
0e1862bb 3150 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
3151 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
3152 else
ce558b89 3153 htab->root.srelgot->size
8e45593f
NC
3154 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
3155 }
3156
3157 /* We must allocate a function descriptor if there are references to
3158 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
3159 the dynamic linker isn't going to allocate it. None of this
3160 applies if we already created one in .got.plt, but if the
3161 canonical function descriptor can be in this object, there
3162 won't be a PLT entry at all. */
3163 if ((eh->funcdesc.refcount > 0
3164 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
3165 && h->root.type != bfd_link_hash_undefweak
3166 && SYMBOL_FUNCDESC_LOCAL (info, h))
3167 {
3168 /* Make room for this function descriptor. */
3169 eh->funcdesc.offset = htab->sfuncdesc->size;
3170 htab->sfuncdesc->size += 8;
3171
3172 /* We will need a relocation or two fixups to initialize the
3173 function descriptor, so allocate those too. */
0e1862bb 3174 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
8e45593f
NC
3175 htab->srofixup->size += 8;
3176 else
3177 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3178 }
3179
067653c5 3180 if (eh->dyn_relocs == NULL)
b34976b6 3181 return TRUE;
067653c5
AM
3182
3183 /* In the shared -Bsymbolic case, discard space allocated for
3184 dynamic pc-relative relocs against symbols which turn out to be
3185 defined in regular objects. For the normal shared case, discard
3186 space for pc-relative relocs that have become local due to symbol
3187 visibility changes. */
3188
0e1862bb 3189 if (bfd_link_pic (info))
067653c5 3190 {
3d85aebe 3191 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
3192 {
3193 struct elf_sh_dyn_relocs **pp;
3194
3195 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3196 {
3197 p->count -= p->pc_count;
3198 p->pc_count = 0;
3199 if (p->count == 0)
3200 *pp = p->next;
3201 else
3202 pp = &p->next;
3203 }
3204 }
04e534c3 3205
3348747a
NS
3206 if (htab->vxworks_p)
3207 {
3208 struct elf_sh_dyn_relocs **pp;
3209
3210 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3211 {
3212 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
3213 *pp = p->next;
3214 else
3215 pp = &p->next;
3216 }
3217 }
3218
04e534c3
KK
3219 /* Also discard relocs on undefined weak syms with non-default
3220 visibility. */
22d606e9 3221 if (eh->dyn_relocs != NULL
04e534c3 3222 && h->root.type == bfd_link_hash_undefweak)
22d606e9 3223 {
6ee6e05a
L
3224 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3225 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
22d606e9
AM
3226 eh->dyn_relocs = NULL;
3227
3228 /* Make sure undefined weak symbols are output as a dynamic
3229 symbol in PIEs. */
3230 else if (h->dynindx == -1
3231 && !h->forced_local)
3232 {
3233 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3234 return FALSE;
3235 }
3236 }
067653c5
AM
3237 }
3238 else
3239 {
3240 /* For the non-shared case, discard space for relocs against
3241 symbols which turn out to need copy relocs or are not
3242 dynamic. */
3243
f5385ebf
AM
3244 if (!h->non_got_ref
3245 && ((h->def_dynamic
3246 && !h->def_regular)
067653c5
AM
3247 || (htab->root.dynamic_sections_created
3248 && (h->root.type == bfd_link_hash_undefweak
3249 || h->root.type == bfd_link_hash_undefined))))
3250 {
3251 /* Make sure this symbol is output as a dynamic symbol.
3252 Undefined weak syms won't yet be marked as dynamic. */
3253 if (h->dynindx == -1
f5385ebf 3254 && !h->forced_local)
067653c5 3255 {
c152c796 3256 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3257 return FALSE;
067653c5
AM
3258 }
3259
3260 /* If that succeeded, we know we'll be keeping all the
3261 relocs. */
3262 if (h->dynindx != -1)
3263 goto keep;
3264 }
3265
3266 eh->dyn_relocs = NULL;
3267
3268 keep: ;
3269 }
3270
3271 /* Finally, allocate space. */
3272 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3273 {
3274 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 3275 sreloc->size += p->count * sizeof (Elf32_External_Rela);
8e45593f
NC
3276
3277 /* If we need relocations, we do not need fixups. */
0e1862bb 3278 if (htab->fdpic_p && !bfd_link_pic (info))
8e45593f 3279 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5
AM
3280 }
3281
b34976b6 3282 return TRUE;
067653c5
AM
3283}
3284
3285/* Find any dynamic relocs that apply to read-only sections. */
3286
b34976b6 3287static bfd_boolean
09fd220b 3288readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
3289{
3290 struct elf_sh_link_hash_entry *eh;
3291 struct elf_sh_dyn_relocs *p;
3292
067653c5
AM
3293 eh = (struct elf_sh_link_hash_entry *) h;
3294 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3295 {
3296 asection *s = p->sec->output_section;
3297
3298 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3299 {
3300 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3301
3302 info->flags |= DF_TEXTREL;
3303
a72f95f7
L
3304 info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
3305 p->sec->owner, p->sec);
3306
067653c5 3307 /* Not an error, just cut short the traversal. */
b34976b6 3308 return FALSE;
067653c5
AM
3309 }
3310 }
b34976b6 3311 return TRUE;
067653c5
AM
3312}
3313
55e6e397
RS
3314/* This function is called after all the input files have been read,
3315 and the input sections have been assigned to output sections.
3316 It's a convenient place to determine the PLT style. */
3317
3318static bfd_boolean
3319sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3320{
0e1862bb
L
3321 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd,
3322 bfd_link_pic (info));
8e45593f 3323
0e1862bb 3324 if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_relocatable (info)
04c3a755
NS
3325 && !bfd_elf_stack_segment_size (output_bfd, info,
3326 "__stacksize", DEFAULT_STACK_SIZE))
3327 return FALSE;
55e6e397
RS
3328 return TRUE;
3329}
3330
37c644f2
AO
3331/* Set the sizes of the dynamic sections. */
3332
b34976b6 3333static bfd_boolean
09fd220b
KK
3334sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3335 struct bfd_link_info *info)
37c644f2 3336{
067653c5 3337 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3338 bfd *dynobj;
3339 asection *s;
b34976b6 3340 bfd_boolean relocs;
067653c5 3341 bfd *ibfd;
37c644f2 3342
067653c5 3343 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
3344 if (htab == NULL)
3345 return FALSE;
3346
067653c5 3347 dynobj = htab->root.dynobj;
37c644f2
AO
3348 BFD_ASSERT (dynobj != NULL);
3349
067653c5 3350 if (htab->root.dynamic_sections_created)
37c644f2
AO
3351 {
3352 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 3353 if (bfd_link_executable (info) && !info->nointerp)
37c644f2 3354 {
3d4d4302 3355 s = bfd_get_linker_section (dynobj, ".interp");
37c644f2 3356 BFD_ASSERT (s != NULL);
eea6121a 3357 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
3358 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3359 }
3360 }
37c644f2 3361
067653c5
AM
3362 /* Set up .got offsets for local syms, and space for local dynamic
3363 relocs. */
c72f2fb2 3364 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
37c644f2 3365 {
067653c5
AM
3366 bfd_signed_vma *local_got;
3367 bfd_signed_vma *end_local_got;
8e45593f
NC
3368 union gotref *local_funcdesc, *end_local_funcdesc;
3369 char *local_got_type;
067653c5
AM
3370 bfd_size_type locsymcount;
3371 Elf_Internal_Shdr *symtab_hdr;
3372 asection *srel;
37c644f2 3373
0ffa91dd 3374 if (! is_sh_elf (ibfd))
37c644f2
AO
3375 continue;
3376
067653c5 3377 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 3378 {
067653c5
AM
3379 struct elf_sh_dyn_relocs *p;
3380
3381 for (p = ((struct elf_sh_dyn_relocs *)
3382 elf_section_data (s)->local_dynrel);
3383 p != NULL;
3384 p = p->next)
37c644f2 3385 {
067653c5
AM
3386 if (! bfd_is_abs_section (p->sec)
3387 && bfd_is_abs_section (p->sec->output_section))
3388 {
3389 /* Input section has been discarded, either because
3390 it is a copy of a linkonce section or due to
3391 linker script /DISCARD/, so we'll be discarding
3392 the relocs too. */
3393 }
3348747a
NS
3394 else if (htab->vxworks_p
3395 && strcmp (p->sec->output_section->name,
3396 ".tls_vars") == 0)
3397 {
3398 /* Relocations in vxworks .tls_vars sections are
3399 handled specially by the loader. */
3400 }
067653c5
AM
3401 else if (p->count != 0)
3402 {
3403 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3404 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5 3405 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
a72f95f7
L
3406 {
3407 info->flags |= DF_TEXTREL;
3408 info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
3409 p->sec->owner, p->sec);
3410 }
8e45593f
NC
3411
3412 /* If we need relocations, we do not need fixups. */
0e1862bb 3413 if (htab->fdpic_p && !bfd_link_pic (info))
8e45593f 3414 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5 3415 }
37c644f2
AO
3416 }
3417 }
067653c5 3418
0ffa91dd 3419 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
3420 locsymcount = symtab_hdr->sh_info;
3421#ifdef INCLUDE_SHMEDIA
3422 /* Count datalabel local GOT. */
3423 locsymcount *= 2;
3424#endif
ce558b89
AM
3425 s = htab->root.sgot;
3426 srel = htab->root.srelgot;
8e45593f
NC
3427
3428 local_got = elf_local_got_refcounts (ibfd);
3429 if (local_got)
37c644f2 3430 {
8e45593f
NC
3431 end_local_got = local_got + locsymcount;
3432 local_got_type = sh_elf_local_got_type (ibfd);
3433 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3434 for (; local_got < end_local_got; ++local_got)
37c644f2 3435 {
8e45593f
NC
3436 if (*local_got > 0)
3437 {
3438 *local_got = s->size;
3439 s->size += 4;
3440 if (*local_got_type == GOT_TLS_GD)
3441 s->size += 4;
0e1862bb 3442 if (bfd_link_pic (info))
8e45593f
NC
3443 srel->size += sizeof (Elf32_External_Rela);
3444 else
3445 htab->srofixup->size += 4;
3446
3447 if (*local_got_type == GOT_FUNCDESC)
3448 {
3449 if (local_funcdesc == NULL)
3450 {
3451 bfd_size_type size;
3452
3453 size = locsymcount * sizeof (union gotref);
3454 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3455 size);
3456 if (local_funcdesc == NULL)
3457 return FALSE;
3458 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3459 local_funcdesc += (local_got
3460 - elf_local_got_refcounts (ibfd));
3461 }
3462 local_funcdesc->refcount++;
3463 ++local_funcdesc;
3464 }
3465 }
3466 else
3467 *local_got = (bfd_vma) -1;
3468 ++local_got_type;
3469 }
3470 }
3471
3472 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3473 if (local_funcdesc)
3474 {
3475 end_local_funcdesc = local_funcdesc + locsymcount;
3476
3477 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3478 {
3479 if (local_funcdesc->refcount > 0)
3480 {
3481 local_funcdesc->offset = htab->sfuncdesc->size;
3482 htab->sfuncdesc->size += 8;
0e1862bb 3483 if (!bfd_link_pic (info))
8e45593f
NC
3484 htab->srofixup->size += 8;
3485 else
3486 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3487 }
3488 else
3489 local_funcdesc->offset = MINUS_ONE;
37c644f2 3490 }
37c644f2 3491 }
8e45593f 3492
067653c5
AM
3493 }
3494
3376eaf5
KK
3495 if (htab->tls_ldm_got.refcount > 0)
3496 {
3497 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3498 relocs. */
ce558b89
AM
3499 htab->tls_ldm_got.offset = htab->root.sgot->size;
3500 htab->root.sgot->size += 8;
3501 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3502 }
3503 else
3504 htab->tls_ldm_got.offset = -1;
3505
8e45593f
NC
3506 /* Only the reserved entries should be present. For FDPIC, they go at
3507 the end of .got.plt. */
3508 if (htab->fdpic_p)
3509 {
ce558b89
AM
3510 BFD_ASSERT (htab->root.sgotplt && htab->root.sgotplt->size == 12);
3511 htab->root.sgotplt->size = 0;
8e45593f
NC
3512 }
3513
067653c5
AM
3514 /* Allocate global sym .plt and .got entries, and space for global
3515 sym dynamic relocs. */
09fd220b 3516 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5 3517
8e45593f
NC
3518 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3519 end of the FDPIC .got.plt. */
3520 if (htab->fdpic_p)
3521 {
ce558b89
AM
3522 htab->root.hgot->root.u.def.value = htab->root.sgotplt->size;
3523 htab->root.sgotplt->size += 12;
8e45593f
NC
3524 }
3525
3526 /* At the very end of the .rofixup section is a pointer to the GOT. */
3527 if (htab->fdpic_p && htab->srofixup != NULL)
3528 htab->srofixup->size += 4;
3529
067653c5
AM
3530 /* We now have determined the sizes of the various dynamic sections.
3531 Allocate memory for them. */
b34976b6 3532 relocs = FALSE;
067653c5
AM
3533 for (s = dynobj->sections; s != NULL; s = s->next)
3534 {
3535 if ((s->flags & SEC_LINKER_CREATED) == 0)
3536 continue;
3537
ce558b89
AM
3538 if (s == htab->root.splt
3539 || s == htab->root.sgot
3540 || s == htab->root.sgotplt
8e45593f
NC
3541 || s == htab->sfuncdesc
3542 || s == htab->srofixup
c456f082 3543 || s == htab->sdynbss)
067653c5
AM
3544 {
3545 /* Strip this section if we don't need it; see the
3546 comment below. */
3547 }
0112cd26 3548 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3549 {
ce558b89 3550 if (s->size != 0 && s != htab->root.srelplt && s != htab->srelplt2)
b34976b6 3551 relocs = TRUE;
067653c5
AM
3552
3553 /* We use the reloc_count field as a counter if we need
3554 to copy relocs into the output file. */
3555 s->reloc_count = 0;
3556 }
3557 else
37c644f2
AO
3558 {
3559 /* It's not one of our sections, so don't allocate space. */
3560 continue;
3561 }
3562
eea6121a 3563 if (s->size == 0)
37c644f2 3564 {
067653c5
AM
3565 /* If we don't need this section, strip it from the
3566 output file. This is mostly to handle .rela.bss and
3567 .rela.plt. We must create both sections in
3568 create_dynamic_sections, because they must be created
3569 before the linker maps input sections to output
3570 sections. The linker does that before
3571 adjust_dynamic_symbol is called, and it is that
3572 function which decides whether anything needs to go
3573 into these sections. */
3574
8423293d 3575 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3576 continue;
3577 }
3578
c456f082
AM
3579 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3580 continue;
3581
067653c5
AM
3582 /* Allocate memory for the section contents. We use bfd_zalloc
3583 here in case unused entries are not reclaimed before the
3584 section's contents are written out. This should not happen,
3585 but this way if it does, we get a R_SH_NONE reloc instead
3586 of garbage. */
eea6121a 3587 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3588 if (s->contents == NULL)
b34976b6 3589 return FALSE;
37c644f2
AO
3590 }
3591
067653c5 3592 if (htab->root.dynamic_sections_created)
37c644f2
AO
3593 {
3594 /* Add some entries to the .dynamic section. We fill in the
3595 values later, in sh_elf_finish_dynamic_sections, but we
3596 must add the entries now so that we get the correct size for
3597 the .dynamic section. The DT_DEBUG entry is filled in by the
3598 dynamic linker and used by the debugger. */
dc810e39 3599#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3600 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3601
0e1862bb 3602 if (bfd_link_executable (info))
37c644f2 3603 {
067653c5 3604 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3605 return FALSE;
37c644f2
AO
3606 }
3607
ce558b89 3608 if (htab->root.splt->size != 0)
37c644f2 3609 {
067653c5
AM
3610 if (! add_dynamic_entry (DT_PLTGOT, 0)
3611 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3612 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3613 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3614 return FALSE;
37c644f2 3615 }
b4b0e149 3616 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC))
8e45593f
NC
3617 {
3618 if (! add_dynamic_entry (DT_PLTGOT, 0))
3619 return FALSE;
3620 }
37c644f2
AO
3621
3622 if (relocs)
3623 {
067653c5
AM
3624 if (! add_dynamic_entry (DT_RELA, 0)
3625 || ! add_dynamic_entry (DT_RELASZ, 0)
3626 || ! add_dynamic_entry (DT_RELAENT,
3627 sizeof (Elf32_External_Rela)))
b34976b6 3628 return FALSE;
37c644f2 3629
067653c5
AM
3630 /* If any dynamic relocs apply to a read-only section,
3631 then we need a DT_TEXTREL entry. */
3632 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3633 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3634
3635 if ((info->flags & DF_TEXTREL) != 0)
3636 {
3637 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3638 return FALSE;
067653c5 3639 }
37c644f2 3640 }
7a2b07ff
NS
3641 if (htab->vxworks_p
3642 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3643 return FALSE;
37c644f2 3644 }
dc810e39 3645#undef add_dynamic_entry
37c644f2 3646
b34976b6 3647 return TRUE;
37c644f2 3648}
37c644f2 3649\f
8e45593f 3650/* Add a dynamic relocation to the SRELOC section. */
37c644f2 3651
8e45593f
NC
3652inline static bfd_vma
3653sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3654 int reloc_type, long dynindx, bfd_vma addend)
37c644f2 3655{
8e45593f
NC
3656 Elf_Internal_Rela outrel;
3657 bfd_vma reloc_offset;
37c644f2 3658
8e45593f
NC
3659 outrel.r_offset = offset;
3660 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3661 outrel.r_addend = addend;
0ffa91dd 3662
8e45593f
NC
3663 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3664 BFD_ASSERT (reloc_offset < sreloc->size);
3665 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3666 sreloc->contents + reloc_offset);
3667 sreloc->reloc_count++;
37c644f2 3668
8e45593f
NC
3669 return reloc_offset;
3670}
37c644f2 3671
8e45593f 3672/* Add an FDPIC read-only fixup. */
37c644f2 3673
8e45593f
NC
3674inline static void
3675sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3676{
3677 bfd_vma fixup_offset;
3678
3679 fixup_offset = srofixup->reloc_count++ * 4;
3680 BFD_ASSERT (fixup_offset < srofixup->size);
3681 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3682}
3683
3684/* Return the offset of the generated .got section from the
3685 _GLOBAL_OFFSET_TABLE_ symbol. */
3686
3687static bfd_signed_vma
3688sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3689{
ce558b89 3690 return (htab->root.sgot->output_offset - htab->root.sgotplt->output_offset
8e45593f
NC
3691 - htab->root.hgot->root.u.def.value);
3692}
3693
3694/* Find the segment number in which OSEC, and output section, is
3695 located. */
3696
3697static unsigned
3698sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3699{
3d301fdc
AM
3700 Elf_Internal_Phdr *p = NULL;
3701
5bc8cb6f
NC
3702 if (output_bfd->xvec->flavour == bfd_target_elf_flavour
3703 /* PR ld/17110: Do not look for output segments in an input bfd. */
3704 && output_bfd->direction != read_direction)
3d301fdc 3705 p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
8e45593f
NC
3706
3707 /* FIXME: Nothing ever says what this index is relative to. The kernel
3708 supplies data in terms of the number of load segments but this is
3709 a phdr index and the first phdr may not be a load segment. */
3710 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3711}
3712
3713static bfd_boolean
3714sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3715{
3716 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3717
3d301fdc
AM
3718 return (seg != (unsigned) -1
3719 && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
8e45593f
NC
3720}
3721
3722/* Generate the initial contents of a local function descriptor, along
3723 with any relocations or fixups required. */
3724static bfd_boolean
3725sh_elf_initialize_funcdesc (bfd *output_bfd,
3726 struct bfd_link_info *info,
3727 struct elf_link_hash_entry *h,
3728 bfd_vma offset,
3729 asection *section,
3730 bfd_vma value)
3731{
3732 struct elf_sh_link_hash_table *htab;
3733 int dynindx;
3734 bfd_vma addr, seg;
3735
3736 htab = sh_elf_hash_table (info);
3737
3738 /* FIXME: The ABI says that the offset to the function goes in the
3739 descriptor, along with the segment index. We're RELA, so it could
3740 go in the reloc instead... */
3741
3742 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3743 {
3744 section = h->root.u.def.section;
3745 value = h->root.u.def.value;
3746 }
3747
3748 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3749 {
3750 dynindx = elf_section_data (section->output_section)->dynindx;
3751 addr = value + section->output_offset;
3752 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3753 }
3754 else
3755 {
3756 BFD_ASSERT (h->dynindx != -1);
3757 dynindx = h->dynindx;
3758 addr = seg = 0;
3759 }
3760
0e1862bb 3761 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
8e45593f
NC
3762 {
3763 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3764 {
3765 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3766 offset
3767 + htab->sfuncdesc->output_section->vma
3768 + htab->sfuncdesc->output_offset);
3769 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3770 offset + 4
3771 + htab->sfuncdesc->output_section->vma
3772 + htab->sfuncdesc->output_offset);
3773 }
3774
3775 /* There are no dynamic relocations so fill in the final
3776 address and gp value (barring fixups). */
3777 addr += section->output_section->vma;
3778 seg = htab->root.hgot->root.u.def.value
3779 + htab->root.hgot->root.u.def.section->output_section->vma
3780 + htab->root.hgot->root.u.def.section->output_offset;
3781 }
3782 else
3783 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3784 offset
3785 + htab->sfuncdesc->output_section->vma
3786 + htab->sfuncdesc->output_offset,
3787 R_SH_FUNCDESC_VALUE, dynindx, 0);
3788
3789 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3790 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3791
3792 return TRUE;
3793}
3794
3795/* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3796 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3797 otherwise. */
3798
3799static bfd_reloc_status_type
3800install_movi20_field (bfd *output_bfd, unsigned long relocation,
3801 bfd *input_bfd, asection *input_section,
3802 bfd_byte *contents, bfd_vma offset)
3803{
3804 unsigned long cur_val;
3805 bfd_byte *addr;
3806 bfd_reloc_status_type r;
3807
3808 if (offset > bfd_get_section_limit (input_bfd, input_section))
3809 return bfd_reloc_outofrange;
3810
3811 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3812 bfd_arch_bits_per_address (input_bfd), relocation);
3813 if (r != bfd_reloc_ok)
3814 return r;
3815
3816 addr = contents + offset;
3817 cur_val = bfd_get_16 (output_bfd, addr);
3818 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3819 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3820
3821 return bfd_reloc_ok;
3822}
3823
3824/* Relocate an SH ELF section. */
3825
3826static bfd_boolean
3827sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3828 bfd *input_bfd, asection *input_section,
3829 bfd_byte *contents, Elf_Internal_Rela *relocs,
3830 Elf_Internal_Sym *local_syms,
3831 asection **local_sections)
3832{
3833 struct elf_sh_link_hash_table *htab;
3834 Elf_Internal_Shdr *symtab_hdr;
3835 struct elf_link_hash_entry **sym_hashes;
3836 Elf_Internal_Rela *rel, *relend;
8e45593f 3837 bfd_vma *local_got_offsets;
e0af1f53
MR
3838 asection *sgot = NULL;
3839 asection *sgotplt = NULL;
3840 asection *splt = NULL;
3841 asection *sreloc = NULL;
3842 asection *srelgot = NULL;
8e45593f
NC
3843 bfd_boolean is_vxworks_tls;
3844 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
e0af1f53 3845 bfd_boolean fdpic_p = FALSE;
8e45593f
NC
3846
3847 BFD_ASSERT (is_sh_elf (input_bfd));
3848
3849 htab = sh_elf_hash_table (info);
e0af1f53
MR
3850 if (htab != NULL)
3851 {
ce558b89
AM
3852 sgot = htab->root.sgot;
3853 sgotplt = htab->root.sgotplt;
3854 srelgot = htab->root.srelgot;
3855 splt = htab->root.splt;
e0af1f53
MR
3856 fdpic_p = htab->fdpic_p;
3857 }
8e45593f
NC
3858 symtab_hdr = &elf_symtab_hdr (input_bfd);
3859 sym_hashes = elf_sym_hashes (input_bfd);
8e45593f
NC
3860 local_got_offsets = elf_local_got_offsets (input_bfd);
3861
3862 isec_segment = sh_elf_osec_to_segment (output_bfd,
3863 input_section->output_section);
e0af1f53 3864 if (fdpic_p && sgot)
8e45593f 3865 got_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3866 sgot->output_section);
8e45593f
NC
3867 else
3868 got_segment = -1;
e0af1f53 3869 if (fdpic_p && splt)
8e45593f 3870 plt_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3871 splt->output_section);
8e45593f
NC
3872 else
3873 plt_segment = -1;
3874
8e45593f
NC
3875 /* We have to handle relocations in vxworks .tls_vars sections
3876 specially, because the dynamic loader is 'weird'. */
0e1862bb 3877 is_vxworks_tls = (htab && htab->vxworks_p && bfd_link_pic (info)
8e45593f
NC
3878 && !strcmp (input_section->output_section->name,
3879 ".tls_vars"));
3880
3881 rel = relocs;
3882 relend = relocs + input_section->reloc_count;
3883 for (; rel < relend; rel++)
3884 {
3885 int r_type;
3886 reloc_howto_type *howto;
3887 unsigned long r_symndx;
3888 Elf_Internal_Sym *sym;
3889 asection *sec;
3890 struct elf_link_hash_entry *h;
3891 bfd_vma relocation;
3892 bfd_vma addend = (bfd_vma) 0;
3893 bfd_reloc_status_type r;
3894 int seen_stt_datalabel = 0;
3895 bfd_vma off;
85e02784 3896 enum got_type got_type;
8e45593f 3897 const char *symname = NULL;
6ee6e05a 3898 bfd_boolean resolved_to_zero;
8e45593f
NC
3899
3900 r_symndx = ELF32_R_SYM (rel->r_info);
37c644f2 3901
37c644f2
AO
3902 r_type = ELF32_R_TYPE (rel->r_info);
3903
3904 /* Many of the relocs are only used for relaxing, and are
067653c5 3905 handled entirely by the relaxation code. */
d38eb334
DD
3906 if (r_type >= (int) R_SH_GNU_VTINHERIT
3907 && r_type <= (int) R_SH_LABEL)
37c644f2 3908 continue;
c5aeb40f
AO
3909 if (r_type == (int) R_SH_NONE)
3910 continue;
37c644f2
AO
3911
3912 if (r_type < 0
3913 || r_type >= R_SH_max
3914 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3915 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
8e45593f
NC
3916 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3917 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
fbca6ad9
AO
3918 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3919 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3920 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3921 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3922 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3923 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
8e45593f
NC
3924 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
3925 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
37c644f2
AO
3926 {
3927 bfd_set_error (bfd_error_bad_value);
b34976b6 3928 return FALSE;
37c644f2
AO
3929 }
3930
55e6e397 3931 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3932
146be91a 3933 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3934 the relocation. */
146be91a
HPN
3935 if (! howto->partial_inplace)
3936 addend = rel->r_addend;
3937
6ee6e05a 3938 resolved_to_zero = FALSE;
37c644f2
AO
3939 h = NULL;
3940 sym = NULL;
3941 sec = NULL;
8e45593f
NC
3942 check_segment[0] = -1;
3943 check_segment[1] = -1;
37c644f2
AO
3944 if (r_symndx < symtab_hdr->sh_info)
3945 {
3946 sym = local_syms + r_symndx;
3947 sec = local_sections[r_symndx];
8e45593f
NC
3948
3949 symname = bfd_elf_string_from_elf_section
3950 (input_bfd, symtab_hdr->sh_link, sym->st_name);
3951 if (symname == NULL || *symname == '\0')
3952 symname = bfd_section_name (input_bfd, sec);
3953
37c644f2
AO
3954 relocation = (sec->output_section->vma
3955 + sec->output_offset
3956 + sym->st_value);
fbca6ad9
AO
3957 /* A local symbol never has STO_SH5_ISA32, so we don't need
3958 datalabel processing here. Make sure this does not change
3959 without notice. */
3960 if ((sym->st_other & STO_SH5_ISA32) != 0)
1a72702b
AM
3961 (*info->callbacks->reloc_dangerous)
3962 (info,
3963 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3964 input_bfd, input_section, rel->r_offset);
ab96bf03 3965
dbaa2011 3966 if (sec != NULL && discarded_section (sec))
ab96bf03
AM
3967 /* Handled below. */
3968 ;
0e1862bb 3969 else if (bfd_link_relocatable (info))
8a3975e6 3970 {
1049f94e 3971 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3972 anything, unless the reloc is against a section symbol,
3973 in which case we have to adjust according to where the
3974 section symbol winds up in the output section. */
8a3975e6 3975 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3976 {
3977 if (! howto->partial_inplace)
3978 {
3979 /* For relocations with the addend in the
3980 relocation, we need just to update the addend.
3981 All real relocs are of type partial_inplace; this
3982 code is mostly for completeness. */
ab96bf03 3983 rel->r_addend += sec->output_offset;
146be91a
HPN
3984
3985 continue;
3986 }
3987
3988 /* Relocs of type partial_inplace need to pick up the
3989 contents in the contents and add the offset resulting
3990 from the changed location of the section symbol.
3991 Using _bfd_final_link_relocate (e.g. goto
3992 final_link_relocate) here would be wrong, because
3993 relocations marked pc_relative would get the current
3994 location subtracted, and we must only do that at the
3995 final link. */
3996 r = _bfd_relocate_contents (howto, input_bfd,
3997 sec->output_offset
3998 + sym->st_value,
3999 contents + rel->r_offset);
4000 goto relocation_done;
4001 }
8a3975e6
AO
4002
4003 continue;
4004 }
f8df10f4
JJ
4005 else if (! howto->partial_inplace)
4006 {
8517fae7 4007 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
4008 addend = rel->r_addend;
4009 }
4010 else if ((sec->flags & SEC_MERGE)
4011 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4012 {
4013 asection *msec;
4014
4015 if (howto->rightshift || howto->src_mask != 0xffffffff)
4016 {
4eca0228 4017 _bfd_error_handler
695344c0 4018 /* xgettext:c-format */
d42c267e 4019 (_("%B(%A+%#Lx): %s relocation against SEC_MERGE section"),
d003868e 4020 input_bfd, input_section,
d42c267e 4021 rel->r_offset, howto->name);
b34976b6 4022 return FALSE;
f8df10f4
JJ
4023 }
4024
067653c5
AM
4025 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4026 msec = sec;
4027 addend =
c629eae0 4028 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
4029 - relocation;
4030 addend += msec->output_section->vma + msec->output_offset;
4031 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4032 addend = 0;
4033 }
37c644f2
AO
4034 }
4035 else
4036 {
560e09e9
NC
4037 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4038
ab96bf03 4039 relocation = 0;
37c644f2 4040 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
8e45593f 4041 symname = h->root.root.string;
37c644f2
AO
4042 while (h->root.type == bfd_link_hash_indirect
4043 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
4044 {
4045#ifdef INCLUDE_SHMEDIA
4046 /* If the reference passes a symbol marked with
4047 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4048 doesn't count. */
4049 seen_stt_datalabel |= h->type == STT_DATALABEL;
4050#endif
4051 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4052 }
37c644f2
AO
4053 if (h->root.type == bfd_link_hash_defined
4054 || h->root.type == bfd_link_hash_defweak)
4055 {
b34976b6 4056 bfd_boolean dyn;
067653c5 4057
e0af1f53 4058 dyn = htab ? htab->root.dynamic_sections_created : FALSE;
37c644f2
AO
4059 sec = h->root.u.def.section;
4060 /* In these cases, we don't need the relocation value.
4061 We check specially because in some obscure cases
435b1e90 4062 sec->output_section will be NULL. */
37c644f2 4063 if (r_type == R_SH_GOTPC
fbca6ad9
AO
4064 || r_type == R_SH_GOTPC_LOW16
4065 || r_type == R_SH_GOTPC_MEDLOW16
4066 || r_type == R_SH_GOTPC_MEDHI16
4067 || r_type == R_SH_GOTPC_HI16
4068 || ((r_type == R_SH_PLT32
4069 || r_type == R_SH_PLT_LOW16
4070 || r_type == R_SH_PLT_MEDLOW16
4071 || r_type == R_SH_PLT_MEDHI16
4072 || r_type == R_SH_PLT_HI16)
37c644f2 4073 && h->plt.offset != (bfd_vma) -1)
fbca6ad9 4074 || ((r_type == R_SH_GOT32
8e45593f
NC
4075 || r_type == R_SH_GOT20
4076 || r_type == R_SH_GOTFUNCDESC
4077 || r_type == R_SH_GOTFUNCDESC20
4078 || r_type == R_SH_GOTOFFFUNCDESC
4079 || r_type == R_SH_GOTOFFFUNCDESC20
4080 || r_type == R_SH_FUNCDESC
fbca6ad9
AO
4081 || r_type == R_SH_GOT_LOW16
4082 || r_type == R_SH_GOT_MEDLOW16
4083 || r_type == R_SH_GOT_MEDHI16
4084 || r_type == R_SH_GOT_HI16)
0e1862bb
L
4085 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
4086 bfd_link_pic (info),
4087 h)
4088 && (! bfd_link_pic (info)
37c644f2 4089 || (! info->symbolic && h->dynindx != -1)
f5385ebf 4090 || !h->def_regular))
37c644f2
AO
4091 /* The cases above are those in which relocation is
4092 overwritten in the switch block below. The cases
4093 below are those in which we must defer relocation
4094 to run-time, because we can't resolve absolute
4095 addresses when creating a shared library. */
0e1862bb 4096 || (bfd_link_pic (info)
37c644f2 4097 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 4098 || !h->def_regular)
37c644f2 4099 && ((r_type == R_SH_DIR32
f5385ebf 4100 && !h->forced_local)
f50ad433
KK
4101 || (r_type == R_SH_REL32
4102 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4103 && ((input_section->flags & SEC_ALLOC) != 0
4104 /* DWARF will emit R_SH_DIR32 relocations in its
4105 sections against symbols defined externally
4106 in shared libraries. We can't do anything
4107 with them here. */
067653c5 4108 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4109 && h->def_dynamic)))
1448fa32
KK
4110 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4111 sections because such sections are not SEC_ALLOC and
4112 thus ld.so will not process them. */
4113 || (sec->output_section == NULL
4114 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4115 && h->def_dynamic))
3376eaf5 4116 || (sec->output_section == NULL
8e45593f
NC
4117 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
4118 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
ab96bf03
AM
4119 ;
4120 else if (sec->output_section != NULL)
4121 relocation = ((h->root.u.def.value
4122 + sec->output_section->vma
4123 + sec->output_offset)
4124 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4125 symbol value, unless we've seen
4126 STT_DATALABEL on the way to it. */
4127 | ((h->other & STO_SH5_ISA32) != 0
4128 && ! seen_stt_datalabel));
0e1862bb 4129 else if (!bfd_link_relocatable (info)
1d5316ab
AM
4130 && (_bfd_elf_section_offset (output_bfd, info,
4131 input_section,
4132 rel->r_offset)
4133 != (bfd_vma) -1))
37c644f2 4134 {
4eca0228 4135 _bfd_error_handler
695344c0 4136 /* xgettext:c-format */
d42c267e 4137 (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
843fe662
L
4138 input_bfd,
4139 input_section,
d42c267e 4140 rel->r_offset,
843fe662
L
4141 howto->name,
4142 h->root.root.string);
b34976b6 4143 return FALSE;
37c644f2 4144 }
37c644f2
AO
4145 }
4146 else if (h->root.type == bfd_link_hash_undefweak)
6ee6e05a 4147 resolved_to_zero = UNDEFWEAK_NO_DYNAMIC_RELOC (info, h);
59c2e50f 4148 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 4149 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03 4150 ;
0e1862bb 4151 else if (!bfd_link_relocatable (info))
1a72702b
AM
4152 (*info->callbacks->undefined_symbol)
4153 (info, h->root.root.string, input_bfd,
4154 input_section, rel->r_offset,
4155 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4156 || ELF_ST_VISIBILITY (h->other)));
37c644f2
AO
4157 }
4158
dbaa2011 4159 if (sec != NULL && discarded_section (sec))
e4067dbb 4160 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 4161 rel, 1, relend, howto, 0, contents);
ab96bf03 4162
0e1862bb 4163 if (bfd_link_relocatable (info))
ab96bf03
AM
4164 continue;
4165
8e45593f
NC
4166 /* Check for inter-segment relocations in FDPIC files. Most
4167 relocations connect the relocation site to the location of
4168 the target symbol, but there are some exceptions below. */
4169 check_segment[0] = isec_segment;
4170 if (sec != NULL)
4171 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
4172 sec->output_section);
4173 else
4174 check_segment[1] = -1;
4175
435b1e90 4176 switch ((int) r_type)
37c644f2
AO
4177 {
4178 final_link_relocate:
4179 /* COFF relocs don't use the addend. The addend is used for
435b1e90 4180 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
4181 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4182 contents, rel->r_offset,
4183 relocation, addend);
4184 break;
4185
4186 case R_SH_IND12W:
cd6ec716
DD
4187 goto final_link_relocate;
4188
37c644f2
AO
4189 case R_SH_DIR8WPN:
4190 case R_SH_DIR8WPZ:
4191 case R_SH_DIR8WPL:
cd6ec716
DD
4192 /* If the reloc is against the start of this section, then
4193 the assembler has already taken care of it and the reloc
4194 is here only to assist in relaxing. If the reloc is not
4195 against the start of this section, then it's against an
4196 external symbol and we must deal with it ourselves. */
4197 if (input_section->output_section->vma + input_section->output_offset
4198 != relocation)
4199 {
4200 int disp = (relocation
4201 - input_section->output_section->vma
4202 - input_section->output_offset
4203 - rel->r_offset);
4204 int mask = 0;
4205 switch (r_type)
4206 {
4207 case R_SH_DIR8WPN:
4208 case R_SH_DIR8WPZ: mask = 1; break;
4209 case R_SH_DIR8WPL: mask = 3; break;
4210 default: mask = 0; break;
4211 }
4212 if (disp & mask)
4213 {
4eca0228 4214 _bfd_error_handler
695344c0 4215 /* xgettext:c-format */
d42c267e 4216 (_("%B: %#Lx: fatal: unaligned branch target for relax-support relocation"),
4eca0228 4217 input_section->owner,
d42c267e 4218 rel->r_offset);
cd6ec716 4219 bfd_set_error (bfd_error_bad_value);
b34976b6 4220 return FALSE;
cd6ec716
DD
4221 }
4222 relocation -= 4;
4223 goto final_link_relocate;
4224 }
4225 r = bfd_reloc_ok;
4226 break;
37c644f2
AO
4227
4228 default:
fbca6ad9
AO
4229#ifdef INCLUDE_SHMEDIA
4230 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4231 contents, rel, &relocation))
4232 goto final_link_relocate;
4233#endif
37c644f2 4234 bfd_set_error (bfd_error_bad_value);
b34976b6 4235 return FALSE;
37c644f2 4236
d38eb334
DD
4237 case R_SH_DIR16:
4238 case R_SH_DIR8:
4239 case R_SH_DIR8U:
4240 case R_SH_DIR8S:
4241 case R_SH_DIR4U:
4242 goto final_link_relocate;
4243
4244 case R_SH_DIR8UL:
4245 case R_SH_DIR4UL:
4246 if (relocation & 3)
4247 {
4eca0228 4248 _bfd_error_handler
695344c0 4249 /* xgettext:c-format */
d42c267e 4250 (_("%B: %#Lx: fatal: unaligned %s relocation %#Lx"),
4eca0228 4251 input_section->owner,
d42c267e
AM
4252 rel->r_offset, howto->name,
4253 relocation);
d38eb334
DD
4254 bfd_set_error (bfd_error_bad_value);
4255 return FALSE;
4256 }
4257 goto final_link_relocate;
4258
4259 case R_SH_DIR8UW:
4260 case R_SH_DIR8SW:
4261 case R_SH_DIR4UW:
4262 if (relocation & 1)
4263 {
4eca0228 4264 _bfd_error_handler
695344c0 4265 /* xgettext:c-format */
d42c267e 4266 (_("%B: %#Lx: fatal: unaligned %s relocation %#Lx"),
4eca0228 4267 input_section->owner,
d42c267e
AM
4268 rel->r_offset, howto->name,
4269 relocation);
d38eb334
DD
4270 bfd_set_error (bfd_error_bad_value);
4271 return FALSE;
4272 }
4273 goto final_link_relocate;
4274
4275 case R_SH_PSHA:
4276 if ((signed int)relocation < -32
4277 || (signed int)relocation > 32)
4278 {
4eca0228 4279 _bfd_error_handler
695344c0 4280 /* xgettext:c-format */
d42c267e 4281 (_("%B: %#Lx: fatal: R_SH_PSHA relocation %Ld not in range -32..32"),
4eca0228 4282 input_section->owner,
d42c267e
AM
4283 rel->r_offset,
4284 relocation);
d38eb334
DD
4285 bfd_set_error (bfd_error_bad_value);
4286 return FALSE;
4287 }
4288 goto final_link_relocate;
4289
4290 case R_SH_PSHL:
4291 if ((signed int)relocation < -16
4292 || (signed int)relocation > 16)
4293 {
4eca0228 4294 _bfd_error_handler
695344c0 4295 /* xgettext:c-format */
d42c267e 4296 (_("%B: %#Lx: fatal: R_SH_PSHL relocation %Ld not in range -32..32"),
4eca0228 4297 input_section->owner,
d42c267e
AM
4298 rel->r_offset,
4299 relocation);
d38eb334
DD
4300 bfd_set_error (bfd_error_bad_value);
4301 return FALSE;
4302 }
4303 goto final_link_relocate;
4304
37c644f2
AO
4305 case R_SH_DIR32:
4306 case R_SH_REL32:
46e993b9
KK
4307#ifdef INCLUDE_SHMEDIA
4308 case R_SH_IMM_LOW16_PCREL:
4309 case R_SH_IMM_MEDLOW16_PCREL:
4310 case R_SH_IMM_MEDHI16_PCREL:
4311 case R_SH_IMM_HI16_PCREL:
4312#endif
0e1862bb 4313 if (bfd_link_pic (info)
04e534c3 4314 && (h == NULL
6ee6e05a
L
4315 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4316 && !resolved_to_zero)
04e534c3 4317 || h->root.type != bfd_link_hash_undefweak)
cf35638d 4318 && r_symndx != STN_UNDEF
37c644f2 4319 && (input_section->flags & SEC_ALLOC) != 0
3348747a 4320 && !is_vxworks_tls
46e993b9 4321 && (r_type == R_SH_DIR32
3d85aebe 4322 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4323 {
4324 Elf_Internal_Rela outrel;
947216bf 4325 bfd_byte *loc;
b34976b6 4326 bfd_boolean skip, relocate;
37c644f2
AO
4327
4328 /* When generating a shared object, these relocations
4329 are copied into the output file to be resolved at run
4330 time. */
4331
4332 if (sreloc == NULL)
4333 {
83bac4b0
NC
4334 sreloc = _bfd_elf_get_dynamic_reloc_section
4335 (input_bfd, input_section, /*rela?*/ TRUE);
4336 if (sreloc == NULL)
b34976b6 4337 return FALSE;
37c644f2
AO
4338 }
4339
b34976b6
AM
4340 skip = FALSE;
4341 relocate = FALSE;
37c644f2 4342
c629eae0
JJ
4343 outrel.r_offset =
4344 _bfd_elf_section_offset (output_bfd, info, input_section,
4345 rel->r_offset);
4346 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 4347 skip = TRUE;
0bb2d96a 4348 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 4349 skip = TRUE, relocate = TRUE;
37c644f2
AO
4350 outrel.r_offset += (input_section->output_section->vma
4351 + input_section->output_offset);
4352
4353 if (skip)
0bb2d96a 4354 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
4355 else if (r_type == R_SH_REL32)
4356 {
4357 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 4358 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 4359 outrel.r_addend
55e6e397
RS
4360 = (howto->partial_inplace
4361 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4362 : addend);
37c644f2 4363 }
46e993b9
KK
4364#ifdef INCLUDE_SHMEDIA
4365 else if (r_type == R_SH_IMM_LOW16_PCREL
4366 || r_type == R_SH_IMM_MEDLOW16_PCREL
4367 || r_type == R_SH_IMM_MEDHI16_PCREL
4368 || r_type == R_SH_IMM_HI16_PCREL)
4369 {
4370 BFD_ASSERT (h != NULL && h->dynindx != -1);
4371 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4372 outrel.r_addend = addend;
4373 }
4374#endif
e0af1f53 4375 else if (fdpic_p
8e45593f
NC
4376 && (h == NULL
4377 || ((info->symbolic || h->dynindx == -1)
4378 && h->def_regular)))
4379 {
4380 int dynindx;
4381
4382 BFD_ASSERT (sec != NULL);
4383 BFD_ASSERT (sec->output_section != NULL);
4384 dynindx = elf_section_data (sec->output_section)->dynindx;
4385 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4386 outrel.r_addend = relocation;
4387 outrel.r_addend
4388 += (howto->partial_inplace
4389 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4390 : addend);
4391 outrel.r_addend -= sec->output_section->vma;
4392 }
37c644f2
AO
4393 else
4394 {
4395 /* h->dynindx may be -1 if this symbol was marked to
4396 become local. */
4397 if (h == NULL
4398 || ((info->symbolic || h->dynindx == -1)
f5385ebf 4399 && h->def_regular))
37c644f2 4400 {
55e6e397 4401 relocate = howto->partial_inplace;
37c644f2 4402 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
4403 }
4404 else
4405 {
4406 BFD_ASSERT (h->dynindx != -1);
37c644f2 4407 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 4408 }
55e6e397
RS
4409 outrel.r_addend = relocation;
4410 outrel.r_addend
4411 += (howto->partial_inplace
4412 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4413 : addend);
37c644f2
AO
4414 }
4415
947216bf
AM
4416 loc = sreloc->contents;
4417 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4418 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4419
8e45593f
NC
4420 check_segment[0] = check_segment[1] = -1;
4421
37c644f2
AO
4422 /* If this reloc is against an external symbol, we do
4423 not want to fiddle with the addend. Otherwise, we
4424 need to include the symbol value so that it becomes
4425 an addend for the dynamic reloc. */
4426 if (! relocate)
4427 continue;
4428 }
0e1862bb 4429 else if (fdpic_p && !bfd_link_pic (info)
8e45593f
NC
4430 && r_type == R_SH_DIR32
4431 && (input_section->flags & SEC_ALLOC) != 0)
4432 {
4433 bfd_vma offset;
4434
e0af1f53
MR
4435 BFD_ASSERT (htab);
4436
8e45593f
NC
4437 if (sh_elf_osec_readonly_p (output_bfd,
4438 input_section->output_section))
4439 {
4eca0228 4440 _bfd_error_handler
695344c0 4441 /* xgettext:c-format */
d42c267e 4442 (_("%B(%A+%#Lx): cannot emit fixup to `%s' in read-only section"),
8e45593f
NC
4443 input_bfd,
4444 input_section,
d42c267e 4445 rel->r_offset,
8e45593f
NC
4446 symname);
4447 return FALSE;
4448 }
4449
4450 offset = _bfd_elf_section_offset (output_bfd, info,
4451 input_section, rel->r_offset);
4452 if (offset != (bfd_vma)-1)
4453 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4454 input_section->output_section->vma
4455 + input_section->output_offset
4456 + rel->r_offset);
4457
4458 check_segment[0] = check_segment[1] = -1;
4459 }
a6f713fc
KK
4460 /* We don't want warnings for non-NULL tests on undefined weak
4461 symbols. */
4462 else if (r_type == R_SH_REL32
4463 && h
1b786873 4464 && h->root.type == bfd_link_hash_undefweak)
a6f713fc 4465 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4466 goto final_link_relocate;
4467
fbca6ad9
AO
4468 case R_SH_GOTPLT32:
4469#ifdef INCLUDE_SHMEDIA
4470 case R_SH_GOTPLT_LOW16:
4471 case R_SH_GOTPLT_MEDLOW16:
4472 case R_SH_GOTPLT_MEDHI16:
4473 case R_SH_GOTPLT_HI16:
4474 case R_SH_GOTPLT10BY4:
4475 case R_SH_GOTPLT10BY8:
4476#endif
4477 /* Relocation is to the entry for this symbol in the
4478 procedure linkage table. */
4479
4480 if (h == NULL
f5385ebf 4481 || h->forced_local
0e1862bb 4482 || ! bfd_link_pic (info)
fbca6ad9
AO
4483 || info->symbolic
4484 || h->dynindx == -1
4485 || h->plt.offset == (bfd_vma) -1
4486 || h->got.offset != (bfd_vma) -1)
4487 goto force_got;
4488
4489 /* Relocation is to the entry for this symbol in the global
4490 offset table extension for the procedure linkage table. */
fbca6ad9 4491
e0af1f53 4492 BFD_ASSERT (htab);
067653c5 4493 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 4494 relocation = (sgotplt->output_offset
55e6e397
RS
4495 + (get_plt_index (htab->plt_info, h->plt.offset)
4496 + 3) * 4);
fbca6ad9
AO
4497
4498#ifdef GOT_BIAS
4499 relocation -= GOT_BIAS;
4500#endif
4501
4502 goto final_link_relocate;
4503
4504 force_got:
37c644f2 4505 case R_SH_GOT32:
8e45593f 4506 case R_SH_GOT20:
fbca6ad9
AO
4507#ifdef INCLUDE_SHMEDIA
4508 case R_SH_GOT_LOW16:
4509 case R_SH_GOT_MEDLOW16:
4510 case R_SH_GOT_MEDHI16:
4511 case R_SH_GOT_HI16:
4512 case R_SH_GOT10BY4:
4513 case R_SH_GOT10BY8:
4514#endif
37c644f2
AO
4515 /* Relocation is to the entry for this symbol in the global
4516 offset table. */
067653c5 4517
e0af1f53 4518 BFD_ASSERT (htab);
067653c5 4519 BFD_ASSERT (sgot != NULL);
8e45593f 4520 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4521
4522 if (h != NULL)
4523 {
b34976b6 4524 bfd_boolean dyn;
37c644f2
AO
4525
4526 off = h->got.offset;
fbca6ad9
AO
4527#ifdef INCLUDE_SHMEDIA
4528 if (seen_stt_datalabel)
4529 {
4530 struct elf_sh_link_hash_entry *hsh;
4531
4532 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4533 off = hsh->datalabel_got.offset;
fbca6ad9
AO
4534 }
4535#endif
37c644f2
AO
4536 BFD_ASSERT (off != (bfd_vma) -1);
4537
067653c5 4538 dyn = htab->root.dynamic_sections_created;
0e1862bb
L
4539 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
4540 bfd_link_pic (info),
4541 h)
4542 || (bfd_link_pic (info)
3d85aebe 4543 && SYMBOL_REFERENCES_LOCAL (info, h))
6ee6e05a
L
4544 || ((ELF_ST_VISIBILITY (h->other)
4545 || resolved_to_zero)
04e534c3 4546 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
4547 {
4548 /* This is actually a static link, or it is a
4549 -Bsymbolic link and the symbol is defined
4550 locally, or the symbol was forced to be local
4551 because of a version file. We must initialize
4552 this entry in the global offset table. Since the
4553 offset must always be a multiple of 4, we use the
4554 least significant bit to record whether we have
4555 initialized it already.
4556
4557 When doing a dynamic link, we create a .rela.got
4558 relocation entry to initialize the value. This
4559 is done in the finish_dynamic_symbol routine. */
4560 if ((off & 1) != 0)
4561 off &= ~1;
4562 else
4563 {
4564 bfd_put_32 (output_bfd, relocation,
4565 sgot->contents + off);
fbca6ad9
AO
4566#ifdef INCLUDE_SHMEDIA
4567 if (seen_stt_datalabel)
4568 {
4569 struct elf_sh_link_hash_entry *hsh;
4570
4571 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4572 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
4573 }
4574 else
4575#endif
4576 h->got.offset |= 1;
8e45593f
NC
4577
4578 /* If we initialize the GOT entry here with a valid
4579 symbol address, also add a fixup. */
0e1862bb 4580 if (fdpic_p && !bfd_link_pic (info)
8e45593f
NC
4581 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4582 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4583 || h->root.type != bfd_link_hash_undefweak))
4584 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4585 sgot->output_section->vma
4586 + sgot->output_offset
4587 + off);
37c644f2
AO
4588 }
4589 }
4590
8e45593f 4591 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4592 }
4593 else
4594 {
fbca6ad9
AO
4595#ifdef INCLUDE_SHMEDIA
4596 if (rel->r_addend)
4597 {
4598 BFD_ASSERT (local_got_offsets != NULL
4599 && (local_got_offsets[symtab_hdr->sh_info
4600 + r_symndx]
4601 != (bfd_vma) -1));
4602
4603 off = local_got_offsets[symtab_hdr->sh_info
4604 + r_symndx];
4605 }
4606 else
4607 {
4608#endif
37c644f2
AO
4609 BFD_ASSERT (local_got_offsets != NULL
4610 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4611
4612 off = local_got_offsets[r_symndx];
fbca6ad9
AO
4613#ifdef INCLUDE_SHMEDIA
4614 }
4615#endif
37c644f2
AO
4616
4617 /* The offset must always be a multiple of 4. We use
4618 the least significant bit to record whether we have
4619 already generated the necessary reloc. */
4620 if ((off & 1) != 0)
4621 off &= ~1;
4622 else
4623 {
4624 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4625
0e1862bb 4626 if (bfd_link_pic (info))
37c644f2 4627 {
37c644f2 4628 Elf_Internal_Rela outrel;
947216bf 4629 bfd_byte *loc;
37c644f2 4630
37c644f2
AO
4631 outrel.r_offset = (sgot->output_section->vma
4632 + sgot->output_offset
4633 + off);
e0af1f53 4634 if (fdpic_p)
8e45593f
NC
4635 {
4636 int dynindx
4637 = elf_section_data (sec->output_section)->dynindx;
4638 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4639 outrel.r_addend = relocation;
4640 outrel.r_addend -= sec->output_section->vma;
4641 }
4642 else
4643 {
4644 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4645 outrel.r_addend = relocation;
4646 }
947216bf
AM
4647 loc = srelgot->contents;
4648 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4649 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4650 }
e0af1f53 4651 else if (fdpic_p
8e45593f
NC
4652 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4653 == GOT_NORMAL))
4654 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4655 sgot->output_section->vma
4656 + sgot->output_offset
4657 + off);
37c644f2 4658
fbca6ad9
AO
4659#ifdef INCLUDE_SHMEDIA
4660 if (rel->r_addend)
4661 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
4662 else
4663#endif
4664 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
4665 }
4666
8e45593f 4667 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4668 }
4669
fbca6ad9 4670#ifdef GOT_BIAS
067653c5 4671 relocation -= GOT_BIAS;
fbca6ad9
AO
4672#endif
4673
8e45593f
NC
4674 if (r_type == R_SH_GOT20)
4675 {
4676 r = install_movi20_field (output_bfd, relocation + addend,
4677 input_bfd, input_section, contents,
4678 rel->r_offset);
4679 break;
4680 }
4681 else
4682 goto final_link_relocate;
37c644f2
AO
4683
4684 case R_SH_GOTOFF:
8e45593f 4685 case R_SH_GOTOFF20:
fbca6ad9
AO
4686#ifdef INCLUDE_SHMEDIA
4687 case R_SH_GOTOFF_LOW16:
4688 case R_SH_GOTOFF_MEDLOW16:
4689 case R_SH_GOTOFF_MEDHI16:
4690 case R_SH_GOTOFF_HI16:
4691#endif
8e45593f
NC
4692 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4693 we place at the start of the .got.plt section. This is the same
4694 as the start of the output .got section, unless there are function
4695 descriptors in front of it. */
e0af1f53 4696 BFD_ASSERT (htab);
8e45593f
NC
4697 BFD_ASSERT (sgotplt != NULL);
4698 check_segment[0] = got_segment;
4699 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4700 + htab->root.hgot->root.u.def.value;
37c644f2 4701
fbca6ad9
AO
4702#ifdef GOT_BIAS
4703 relocation -= GOT_BIAS;
4704#endif
4705
4706 addend = rel->r_addend;
4707
8e45593f
NC
4708 if (r_type == R_SH_GOTOFF20)
4709 {
4710 r = install_movi20_field (output_bfd, relocation + addend,
4711 input_bfd, input_section, contents,
4712 rel->r_offset);
4713 break;
4714 }
4715 else
4716 goto final_link_relocate;
37c644f2
AO
4717
4718 case R_SH_GOTPC:
fbca6ad9
AO
4719#ifdef INCLUDE_SHMEDIA
4720 case R_SH_GOTPC_LOW16:
4721 case R_SH_GOTPC_MEDLOW16:
4722 case R_SH_GOTPC_MEDHI16:
4723 case R_SH_GOTPC_HI16:
4724#endif
37c644f2
AO
4725 /* Use global offset table as symbol value. */
4726
8e45593f
NC
4727 BFD_ASSERT (sgotplt != NULL);
4728 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
37c644f2 4729
fbca6ad9
AO
4730#ifdef GOT_BIAS
4731 relocation += GOT_BIAS;
4732#endif
4733
4734 addend = rel->r_addend;
4735
37c644f2
AO
4736 goto final_link_relocate;
4737
4738 case R_SH_PLT32:
fbca6ad9
AO
4739#ifdef INCLUDE_SHMEDIA
4740 case R_SH_PLT_LOW16:
4741 case R_SH_PLT_MEDLOW16:
4742 case R_SH_PLT_MEDHI16:
4743 case R_SH_PLT_HI16:
4744#endif
37c644f2
AO
4745 /* Relocation is to the entry for this symbol in the
4746 procedure linkage table. */
4747
4748 /* Resolve a PLT reloc against a local symbol directly,
4749 without using the procedure linkage table. */
4750 if (h == NULL)
4751 goto final_link_relocate;
4752
8e45593f
NC
4753 /* We don't want to warn on calls to undefined weak symbols,
4754 as calls to them must be protected by non-NULL tests
4755 anyway, and unprotected calls would invoke undefined
4756 behavior. */
4757 if (h->root.type == bfd_link_hash_undefweak)
4758 check_segment[0] = check_segment[1] = -1;
4759
f5385ebf 4760 if (h->forced_local)
37c644f2
AO
4761 goto final_link_relocate;
4762
4763 if (h->plt.offset == (bfd_vma) -1)
4764 {
4765 /* We didn't make a PLT entry for this symbol. This
4766 happens when statically linking PIC code, or when
4767 using -Bsymbolic. */
4768 goto final_link_relocate;
4769 }
4770
067653c5 4771 BFD_ASSERT (splt != NULL);
8e45593f 4772 check_segment[1] = plt_segment;
37c644f2
AO
4773 relocation = (splt->output_section->vma
4774 + splt->output_offset
4775 + h->plt.offset);
4776
fbca6ad9
AO
4777#ifdef INCLUDE_SHMEDIA
4778 relocation++;
4779#endif
4780
4781 addend = rel->r_addend;
4782
37c644f2
AO
4783 goto final_link_relocate;
4784
8e45593f
NC
4785 /* Relocation is to the canonical function descriptor for this
4786 symbol, possibly via the GOT. Initialize the GOT
4787 entry and function descriptor if necessary. */
4788 case R_SH_GOTFUNCDESC:
4789 case R_SH_GOTFUNCDESC20:
4790 case R_SH_FUNCDESC:
4791 {
4792 int dynindx = -1;
4793 asection *reloc_section;
4794 bfd_vma reloc_offset;
4795 int reloc_type = R_SH_FUNCDESC;
4796
e0af1f53
MR
4797 BFD_ASSERT (htab);
4798
8e45593f
NC
4799 check_segment[0] = check_segment[1] = -1;
4800
4801 /* FIXME: See what FRV does for global symbols in the
4802 executable, with --export-dynamic. Do they need ld.so
4803 to allocate official descriptors? See what this code
4804 does. */
4805
4806 relocation = 0;
4807 addend = 0;
4808
4809 if (r_type == R_SH_FUNCDESC)
4810 {
4811 reloc_section = input_section;
4812 reloc_offset = rel->r_offset;
4813 }
4814 else
4815 {
e0af1f53 4816 reloc_section = sgot;
8e45593f
NC
4817
4818 if (h != NULL)
4819 reloc_offset = h->got.offset;
4820 else
4821 {
4822 BFD_ASSERT (local_got_offsets != NULL);
4823 reloc_offset = local_got_offsets[r_symndx];
4824 }
4825 BFD_ASSERT (reloc_offset != MINUS_ONE);
4826
4827 if (reloc_offset & 1)
4828 {
4829 reloc_offset &= ~1;
4830 goto funcdesc_done_got;
4831 }
4832 }
4833
4834 if (h && h->root.type == bfd_link_hash_undefweak
4835 && (SYMBOL_CALLS_LOCAL (info, h)
4836 || !htab->root.dynamic_sections_created))
4837 /* Undefined weak symbol which will not be dynamically
4838 resolved later; leave it at zero. */
4839 goto funcdesc_leave_zero;
4840 else if (SYMBOL_CALLS_LOCAL (info, h)
4841 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4842 {
4843 /* If the symbol needs a non-local function descriptor
4844 but binds locally (i.e., its visibility is
4845 protected), emit a dynamic relocation decayed to
4846 section+offset. This is an optimization; the dynamic
4847 linker would resolve our function descriptor request
4848 to our copy of the function anyway. */
4849 dynindx = elf_section_data (h->root.u.def.section
4850 ->output_section)->dynindx;
4851 relocation += h->root.u.def.section->output_offset
4852 + h->root.u.def.value;
4853 }
4854 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4855 {
4856 /* If the symbol is dynamic and there will be dynamic
4857 symbol resolution because we are or are linked with a
4858 shared library, emit a FUNCDESC relocation such that
4859 the dynamic linker will allocate the function
4860 descriptor. */
4861 BFD_ASSERT (h->dynindx != -1);
4862 dynindx = h->dynindx;
4863 }
4864 else
4865 {
4866 bfd_vma offset;
4867
4868 /* Otherwise, we know we have a private function
4869 descriptor, so reference it directly. */
4870 reloc_type = R_SH_DIR32;
4871 dynindx = elf_section_data (htab->sfuncdesc
4872 ->output_section)->dynindx;
4873
4874 if (h)
4875 {
4876 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4877 BFD_ASSERT (offset != MINUS_ONE);
4878 if ((offset & 1) == 0)
4879 {
4880 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4881 offset, NULL, 0))
4882 return FALSE;
4883 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4884 }
4885 }
4886 else
4887 {
4888 union gotref *local_funcdesc;
4889
4890 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4891 offset = local_funcdesc[r_symndx].offset;
4892 BFD_ASSERT (offset != MINUS_ONE);
4893 if ((offset & 1) == 0)
4894 {
4895 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4896 offset, sec,
4897 sym->st_value))
4898 return FALSE;
4899 local_funcdesc[r_symndx].offset |= 1;
4900 }
4901 }
4902
4903 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4904 }
4905
0e1862bb 4906 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
8e45593f
NC
4907 {
4908 bfd_vma offset;
4909
4910 if (sh_elf_osec_readonly_p (output_bfd,
4911 reloc_section->output_section))
4912 {
4eca0228 4913 _bfd_error_handler
695344c0 4914 /* xgettext:c-format */
d42c267e 4915 (_("%B(%A+%#Lx): cannot emit fixup to `%s' in read-only section"),
8e45593f
NC
4916 input_bfd,
4917 input_section,
d42c267e 4918 rel->r_offset,
8e45593f
NC
4919 symname);
4920 return FALSE;
4921 }
4922
4923 offset = _bfd_elf_section_offset (output_bfd, info,
4924 reloc_section, reloc_offset);
4925
4926 if (offset != (bfd_vma)-1)
4927 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4928 offset
4929 + reloc_section->output_section->vma
4930 + reloc_section->output_offset);
4931 }
4932 else if ((reloc_section->output_section->flags
4933 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
4934 {
4935 bfd_vma offset;
4936
4937 if (sh_elf_osec_readonly_p (output_bfd,
4938 reloc_section->output_section))
4939 {
4940 info->callbacks->warning
4941 (info,
4942 _("cannot emit dynamic relocations in read-only section"),
4943 symname, input_bfd, reloc_section, reloc_offset);
4944 return FALSE;
4945 }
4946
8e45593f
NC
4947 offset = _bfd_elf_section_offset (output_bfd, info,
4948 reloc_section, reloc_offset);
4949
4950 if (offset != (bfd_vma)-1)
4951 sh_elf_add_dyn_reloc (output_bfd, srelgot,
4952 offset
4953 + reloc_section->output_section->vma
4954 + reloc_section->output_offset,
4955 reloc_type, dynindx, relocation);
4956
4957 if (r_type == R_SH_FUNCDESC)
4958 {
4959 r = bfd_reloc_ok;
4960 break;
4961 }
4962 else
4963 {
4964 relocation = 0;
4965 goto funcdesc_leave_zero;
4966 }
4967 }
4968
4969 if (SYMBOL_FUNCDESC_LOCAL (info, h))
4970 relocation += htab->sfuncdesc->output_section->vma;
4971 funcdesc_leave_zero:
4972 if (r_type != R_SH_FUNCDESC)
4973 {
4974 bfd_put_32 (output_bfd, relocation,
4975 reloc_section->contents + reloc_offset);
4976 if (h != NULL)
4977 h->got.offset |= 1;
4978 else
4979 local_got_offsets[r_symndx] |= 1;
4980
4981 funcdesc_done_got:
4982
4983 relocation = sh_elf_got_offset (htab) + reloc_offset;
4984#ifdef GOT_BIAS
4985 relocation -= GOT_BIAS;
4986#endif
4987 }
4988 if (r_type == R_SH_GOTFUNCDESC20)
4989 {
4990 r = install_movi20_field (output_bfd, relocation + addend,
4991 input_bfd, input_section, contents,
4992 rel->r_offset);
4993 break;
4994 }
4995 else
4996 goto final_link_relocate;
4997 }
4998 break;
4999
5000 case R_SH_GOTOFFFUNCDESC:
5001 case R_SH_GOTOFFFUNCDESC20:
5002 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
5003 executable and --export-dynamic. If such symbols get
5004 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
5005 for them. */
e0af1f53 5006 BFD_ASSERT (htab);
8e45593f
NC
5007
5008 check_segment[0] = check_segment[1] = -1;
5009 relocation = 0;
5010 addend = rel->r_addend;
5011
5012 if (h && (h->root.type == bfd_link_hash_undefweak
5013 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
5014 {
5015 _bfd_error_handler
695344c0 5016 /* xgettext:c-format */
d42c267e
AM
5017 (_("%B(%A+%#Lx): %s relocation against external symbol \"%s\""),
5018 input_bfd, input_section, rel->r_offset, howto->name,
8e45593f
NC
5019 h->root.root.string);
5020 return FALSE;
5021 }
5022 else
5023 {
5024 bfd_vma offset;
5025
5026 /* Otherwise, we know we have a private function
5027 descriptor, so reference it directly. */
5028 if (h)
5029 {
5030 offset = sh_elf_hash_entry (h)->funcdesc.offset;
5031 BFD_ASSERT (offset != MINUS_ONE);
5032 if ((offset & 1) == 0)
5033 {
5034 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
5035 offset, NULL, 0))
5036 return FALSE;
5037 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
5038 }
5039 }
5040 else
5041 {
5042 union gotref *local_funcdesc;
5043
5044 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
5045 offset = local_funcdesc[r_symndx].offset;
5046 BFD_ASSERT (offset != MINUS_ONE);
5047 if ((offset & 1) == 0)
5048 {
5049 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
5050 offset, sec,
5051 sym->st_value))
5052 return FALSE;
5053 local_funcdesc[r_symndx].offset |= 1;
5054 }
5055 }
5056
5057 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
5058 }
5059
e0af1f53
MR
5060 relocation -= (htab->root.hgot->root.u.def.value
5061 + sgotplt->output_offset);
8e45593f
NC
5062#ifdef GOT_BIAS
5063 relocation -= GOT_BIAS;
5064#endif
5065
5066 if (r_type == R_SH_GOTOFFFUNCDESC20)
5067 {
5068 r = install_movi20_field (output_bfd, relocation + addend,
5069 input_bfd, input_section, contents,
5070 rel->r_offset);
5071 break;
5072 }
5073 else
5074 goto final_link_relocate;
5075
37c644f2
AO
5076 case R_SH_LOOP_START:
5077 {
5078 static bfd_vma start, end;
5079
5080 start = (relocation + rel->r_addend
5081 - (sec->output_section->vma + sec->output_offset));
5082 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5083 rel->r_offset, sec, start, end);
5084 break;
5085
5086 case R_SH_LOOP_END:
5087 end = (relocation + rel->r_addend
5088 - (sec->output_section->vma + sec->output_offset));
5089 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5090 rel->r_offset, sec, start, end);
5091 break;
5092 }
3376eaf5
KK
5093
5094 case R_SH_TLS_GD_32:
5095 case R_SH_TLS_IE_32:
e0af1f53 5096 BFD_ASSERT (htab);
8e45593f 5097 check_segment[0] = check_segment[1] = -1;
3376eaf5 5098 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
8e45593f 5099 got_type = GOT_UNKNOWN;
3376eaf5 5100 if (h == NULL && local_got_offsets)
8e45593f 5101 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
3376eaf5
KK
5102 else if (h != NULL)
5103 {
8e45593f 5104 got_type = sh_elf_hash_entry (h)->got_type;
0e1862bb 5105 if (! bfd_link_pic (info)
3376eaf5 5106 && (h->dynindx == -1
f5385ebf 5107 || h->def_regular))
267fb3c1 5108 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
5109 }
5110
8e45593f 5111 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
3376eaf5
KK
5112 r_type = R_SH_TLS_IE_32;
5113
5114 if (r_type == R_SH_TLS_LE_32)
5115 {
5116 bfd_vma offset;
5117 unsigned short insn;
3376eaf5
KK
5118
5119 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5120 {
5121 /* GD->LE transition:
5122 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 5123 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
5124 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5125 We change it into:
5126 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5127 nop; nop; ...
5128 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5129
5130 offset = rel->r_offset;
5131 BFD_ASSERT (offset >= 16);
5132 /* Size of GD instructions is 16 or 18. */
5133 offset -= 16;
5134 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5135 if ((insn & 0xff00) == 0xc700)
5136 {
5137 BFD_ASSERT (offset >= 2);
5138 offset -= 2;
5139 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5140 }
5141
5142 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5143 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5144 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5145 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5146 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5147 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5148 BFD_ASSERT (insn == 0x310c);
5149 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5150 BFD_ASSERT (insn == 0x410b);
5151 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5152 BFD_ASSERT (insn == 0x34cc);
5153
5154 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5155 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5156 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5157 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5158 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5159 }
5160 else
5161 {
91d6fa6a 5162 int target;
3376eaf5
KK
5163
5164 /* IE->LE transition:
5165 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5166 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5167 We change it into:
5168 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5169 1: x@TPOFF; 2:. */
5170
5171 offset = rel->r_offset;
5172 BFD_ASSERT (offset >= 16);
5173 /* Size of IE instructions is 10 or 12. */
5174 offset -= 10;
5175 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5176 if ((insn & 0xf0ff) == 0x0012)
5177 {
5178 BFD_ASSERT (offset >= 2);
5179 offset -= 2;
5180 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5181 }
5182
5183 BFD_ASSERT ((insn & 0xff00) == 0xd000);
91d6fa6a 5184 target = insn & 0x00ff;
3376eaf5
KK
5185 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5186 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5187 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5188 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
91d6fa6a 5189 insn = 0xd000 | (insn & 0x0f00) | target;
3376eaf5
KK
5190 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5191 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5192 }
5193
267fb3c1
KK
5194 bfd_put_32 (output_bfd, tpoff (info, relocation),
5195 contents + rel->r_offset);
3376eaf5
KK
5196 continue;
5197 }
5198
8e45593f 5199 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5200 abort ();
5201
5202 if (h != NULL)
5203 off = h->got.offset;
5204 else
5205 {
5206 if (local_got_offsets == NULL)
5207 abort ();
5208
5209 off = local_got_offsets[r_symndx];
5210 }
5211
267fb3c1
KK
5212 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5213 if (r_type == R_SH_TLS_IE_32
5214 && ! htab->root.dynamic_sections_created)
5215 {
5216 off &= ~1;
5217 bfd_put_32 (output_bfd, tpoff (info, relocation),
5218 sgot->contents + off);
8e45593f 5219 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
267fb3c1
KK
5220 contents + rel->r_offset);
5221 continue;
5222 }
5223
3376eaf5
KK
5224 if ((off & 1) != 0)
5225 off &= ~1;
26e41594 5226 else
3376eaf5
KK
5227 {
5228 Elf_Internal_Rela outrel;
947216bf 5229 bfd_byte *loc;
3376eaf5
KK
5230 int dr_type, indx;
5231
3376eaf5
KK
5232 outrel.r_offset = (sgot->output_section->vma
5233 + sgot->output_offset + off);
5234
267fb3c1 5235 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
5236 indx = 0;
5237 else
5238 indx = h->dynindx;
267fb3c1 5239
3376eaf5
KK
5240 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5241 R_SH_TLS_TPOFF32);
5242 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5243 outrel.r_addend = relocation - dtpoff_base (info);
5244 else
5245 outrel.r_addend = 0;
5246 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
5247 loc = srelgot->contents;
5248 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5249 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5250
5251 if (r_type == R_SH_TLS_GD_32)
5252 {
5253 if (indx == 0)
5254 {
5255 bfd_put_32 (output_bfd,
5256 relocation - dtpoff_base (info),
5257 sgot->contents + off + 4);
5258 }
5259 else
5260 {
5261 outrel.r_info = ELF32_R_INFO (indx,
5262 R_SH_TLS_DTPOFF32);
5263 outrel.r_offset += 4;
5264 outrel.r_addend = 0;
5265 srelgot->reloc_count++;
947216bf
AM
5266 loc += sizeof (Elf32_External_Rela);
5267 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5268 }
5269 }
5270
5271 if (h != NULL)
5272 h->got.offset |= 1;
5273 else
5274 local_got_offsets[r_symndx] |= 1;
5275 }
5276
5277 if (off >= (bfd_vma) -2)
5278 abort ();
5279
5280 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
8e45593f 5281 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5282 else
5283 {
5284 bfd_vma offset;
5285 unsigned short insn;
5286
5287 /* GD->IE transition:
5288 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5289 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5290 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5291 We change it into:
5292 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5293 nop; nop; bra 3f; nop; .align 2;
5294 1: .long x@TPOFF; 2:...; 3:. */
5295
5296 offset = rel->r_offset;
5297 BFD_ASSERT (offset >= 16);
5298 /* Size of GD instructions is 16 or 18. */
5299 offset -= 16;
5300 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5301 if ((insn & 0xff00) == 0xc700)
5302 {
5303 BFD_ASSERT (offset >= 2);
5304 offset -= 2;
5305 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5306 }
5307
5308 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5309
5310 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5311 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5312
5313 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5314 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5315 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5316 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5317 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5318 BFD_ASSERT (insn == 0x310c);
5319 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5320 BFD_ASSERT (insn == 0x410b);
5321 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5322 BFD_ASSERT (insn == 0x34cc);
5323
5324 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5325 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5326 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5327 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5328 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5329
8e45593f 5330 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
3376eaf5
KK
5331 contents + rel->r_offset);
5332
5333 continue;
5334 }
5335
5336 addend = rel->r_addend;
5337
5338 goto final_link_relocate;
5339
5340 case R_SH_TLS_LD_32:
e0af1f53 5341 BFD_ASSERT (htab);
8e45593f 5342 check_segment[0] = check_segment[1] = -1;
0e1862bb 5343 if (! bfd_link_pic (info))
3376eaf5
KK
5344 {
5345 bfd_vma offset;
5346 unsigned short insn;
5347
5348 /* LD->LE transition:
5349 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5350 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5351 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5352 We change it into:
5353 stc gbr,r0; nop; nop; nop;
5354 nop; nop; bra 3f; ...; 3:. */
5355
5356 offset = rel->r_offset;
5357 BFD_ASSERT (offset >= 16);
5358 /* Size of LD instructions is 16 or 18. */
5359 offset -= 16;
5360 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5361 if ((insn & 0xff00) == 0xc700)
5362 {
5363 BFD_ASSERT (offset >= 2);
5364 offset -= 2;
5365 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5366 }
5367
5368 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5369 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5370 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5371 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5372 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5373 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5374 BFD_ASSERT (insn == 0x310c);
5375 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5376 BFD_ASSERT (insn == 0x410b);
5377 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5378 BFD_ASSERT (insn == 0x34cc);
5379
5380 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5381 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5382 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5383 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5384 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5385 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5386
5387 continue;
5388 }
5389
8e45593f 5390 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5391 abort ();
5392
5393 off = htab->tls_ldm_got.offset;
5394 if (off & 1)
5395 off &= ~1;
5396 else
5397 {
5398 Elf_Internal_Rela outrel;
947216bf 5399 bfd_byte *loc;
3376eaf5 5400
3376eaf5
KK
5401 outrel.r_offset = (sgot->output_section->vma
5402 + sgot->output_offset + off);
5403 outrel.r_addend = 0;
5404 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
5405 loc = srelgot->contents;
5406 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5407 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5408 htab->tls_ldm_got.offset |= 1;
5409 }
5410
8e45593f 5411 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5412 addend = rel->r_addend;
5413
5414 goto final_link_relocate;
5415
5416 case R_SH_TLS_LDO_32:
8e45593f 5417 check_segment[0] = check_segment[1] = -1;
0e1862bb 5418 if (! bfd_link_pic (info))
267fb3c1 5419 relocation = tpoff (info, relocation);
3376eaf5
KK
5420 else
5421 relocation -= dtpoff_base (info);
5422
5423 addend = rel->r_addend;
5424 goto final_link_relocate;
5425
5426 case R_SH_TLS_LE_32:
5427 {
5428 int indx;
5429 Elf_Internal_Rela outrel;
947216bf 5430 bfd_byte *loc;
3376eaf5 5431
8e45593f
NC
5432 check_segment[0] = check_segment[1] = -1;
5433
3cbc1e5e 5434 if (!bfd_link_dll (info))
267fb3c1
KK
5435 {
5436 relocation = tpoff (info, relocation);
5437 addend = rel->r_addend;
5438 goto final_link_relocate;
5439 }
5440
3376eaf5
KK
5441 if (sreloc == NULL)
5442 {
83bac4b0
NC
5443 sreloc = _bfd_elf_get_dynamic_reloc_section
5444 (input_bfd, input_section, /*rela?*/ TRUE);
5445 if (sreloc == NULL)
b34976b6 5446 return FALSE;
3376eaf5
KK
5447 }
5448
267fb3c1
KK
5449 if (h == NULL || h->dynindx == -1)
5450 indx = 0;
5451 else
5452 indx = h->dynindx;
5453
3376eaf5
KK
5454 outrel.r_offset = (input_section->output_section->vma
5455 + input_section->output_offset
5456 + rel->r_offset);
5457 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5458 if (indx == 0)
5459 outrel.r_addend = relocation - dtpoff_base (info);
5460 else
5461 outrel.r_addend = 0;
3376eaf5 5462
947216bf
AM
5463 loc = sreloc->contents;
5464 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5465 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5466 continue;
5467 }
37c644f2
AO
5468 }
5469
146be91a 5470 relocation_done:
e0af1f53 5471 if (fdpic_p && check_segment[0] != (unsigned) -1
8e45593f
NC
5472 && check_segment[0] != check_segment[1])
5473 {
5474 /* We don't want duplicate errors for undefined symbols. */
5475 if (!h || h->root.type != bfd_link_hash_undefined)
5476 {
0e1862bb 5477 if (bfd_link_pic (info))
8e45593f
NC
5478 {
5479 info->callbacks->einfo
695344c0 5480 /* xgettext:c-format */
8e45593f
NC
5481 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5482 input_bfd, input_section, rel->r_offset, symname);
5483 return FALSE;
5484 }
5485 else
5486 info->callbacks->einfo
695344c0 5487 /* xgettext:c-format */
8e45593f
NC
5488 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5489 input_bfd, input_section, rel->r_offset, symname);
5490 }
5491
fbedb42d 5492 elf_elfheader (output_bfd)->e_flags |= EF_SH_PIC;
8e45593f
NC
5493 }
5494
37c644f2
AO
5495 if (r != bfd_reloc_ok)
5496 {
5497 switch (r)
5498 {
5499 default:
5500 case bfd_reloc_outofrange:
5501 abort ();
5502 case bfd_reloc_overflow:
5503 {
5504 const char *name;
5505
5506 if (h != NULL)
dfeffb9f 5507 name = NULL;
37c644f2
AO
5508 else
5509 {
252b5132
RH
5510 name = (bfd_elf_string_from_elf_section
5511 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5512 if (name == NULL)
b34976b6 5513 return FALSE;
252b5132
RH
5514 if (*name == '\0')
5515 name = bfd_section_name (input_bfd, sec);
5516 }
1a72702b
AM
5517 (*info->callbacks->reloc_overflow)
5518 (info, (h ? &h->root : NULL), name, howto->name,
5519 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
252b5132
RH
5520 }
5521 break;
5522 }
5523 }
5524 }
5525
b34976b6 5526 return TRUE;
252b5132
RH
5527}
5528
5529/* This is a version of bfd_generic_get_relocated_section_contents
5530 which uses sh_elf_relocate_section. */
5531
5532static bfd_byte *
09fd220b
KK
5533sh_elf_get_relocated_section_contents (bfd *output_bfd,
5534 struct bfd_link_info *link_info,
5535 struct bfd_link_order *link_order,
5536 bfd_byte *data,
5537 bfd_boolean relocatable,
5538 asymbol **symbols)
252b5132
RH
5539{
5540 Elf_Internal_Shdr *symtab_hdr;
5541 asection *input_section = link_order->u.indirect.section;
5542 bfd *input_bfd = input_section->owner;
5543 asection **sections = NULL;
5544 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 5545 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
5546
5547 /* We only need to handle the case of relaxing, or of having a
5548 particular set of section contents, specially. */
1049f94e 5549 if (relocatable
252b5132
RH
5550 || elf_section_data (input_section)->this_hdr.contents == NULL)
5551 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5552 link_order, data,
1049f94e 5553 relocatable,
252b5132
RH
5554 symbols);
5555
0ffa91dd 5556 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
5557
5558 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 5559 (size_t) input_section->size);
252b5132
RH
5560
5561 if ((input_section->flags & SEC_RELOC) != 0
5562 && input_section->reloc_count > 0)
5563 {
252b5132 5564 asection **secpp;
6cdc0ccc 5565 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 5566 bfd_size_type amt;
252b5132 5567
45d6a902 5568 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 5569 (input_bfd, input_section, NULL,
b34976b6 5570 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
5571 if (internal_relocs == NULL)
5572 goto error_return;
5573
6cdc0ccc
AM
5574 if (symtab_hdr->sh_info != 0)
5575 {
5576 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5577 if (isymbuf == NULL)
5578 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5579 symtab_hdr->sh_info, 0,
5580 NULL, NULL, NULL);
5581 if (isymbuf == NULL)
5582 goto error_return;
5583 }
252b5132 5584
9ad5cbcf
AM
5585 amt = symtab_hdr->sh_info;
5586 amt *= sizeof (asection *);
5587 sections = (asection **) bfd_malloc (amt);
5588 if (sections == NULL && amt != 0)
252b5132
RH
5589 goto error_return;
5590
6cdc0ccc
AM
5591 isymend = isymbuf + symtab_hdr->sh_info;
5592 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
5593 {
5594 asection *isec;
5595
6cdc0ccc 5596 if (isym->st_shndx == SHN_UNDEF)
252b5132 5597 isec = bfd_und_section_ptr;
6cdc0ccc 5598 else if (isym->st_shndx == SHN_ABS)
252b5132 5599 isec = bfd_abs_section_ptr;
6cdc0ccc 5600 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
5601 isec = bfd_com_section_ptr;
5602 else
6cdc0ccc 5603 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
5604
5605 *secpp = isec;
5606 }
5607
5608 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5609 input_section, data, internal_relocs,
6cdc0ccc 5610 isymbuf, sections))
252b5132
RH
5611 goto error_return;
5612
5613 if (sections != NULL)
5614 free (sections);
6cdc0ccc
AM
5615 if (isymbuf != NULL
5616 && symtab_hdr->contents != (unsigned char *) isymbuf)
5617 free (isymbuf);
5618 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 5619 free (internal_relocs);
252b5132
RH
5620 }
5621
5622 return data;
5623
5624 error_return:
252b5132
RH
5625 if (sections != NULL)
5626 free (sections);
6cdc0ccc
AM
5627 if (isymbuf != NULL
5628 && symtab_hdr->contents != (unsigned char *) isymbuf)
5629 free (isymbuf);
5630 if (internal_relocs != NULL
5631 && elf_section_data (input_section)->relocs != internal_relocs)
5632 free (internal_relocs);
252b5132
RH
5633 return NULL;
5634}
917583ad 5635
3376eaf5
KK
5636/* Return the base VMA address which should be subtracted from real addresses
5637 when resolving @dtpoff relocation.
5638 This is PT_TLS segment p_vaddr. */
5639
5640static bfd_vma
09fd220b 5641dtpoff_base (struct bfd_link_info *info)
3376eaf5 5642{
e1918d23
AM
5643 /* If tls_sec is NULL, we should have signalled an error already. */
5644 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 5645 return 0;
e1918d23 5646 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
5647}
5648
267fb3c1
KK
5649/* Return the relocation value for R_SH_TLS_TPOFF32.. */
5650
5651static bfd_vma
09fd220b 5652tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 5653{
e1918d23
AM
5654 /* If tls_sec is NULL, we should have signalled an error already. */
5655 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
5656 return 0;
5657 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5658 structure which has 2 pointer fields. */
044ad7e3
KK
5659 return (address - elf_hash_table (info)->tls_sec->vma
5660 + align_power ((bfd_vma) 8,
5661 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
5662}
5663
252b5132 5664static asection *
09fd220b 5665sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
5666 struct bfd_link_info *info,
5667 Elf_Internal_Rela *rel,
5668 struct elf_link_hash_entry *h,
09fd220b 5669 Elf_Internal_Sym *sym)
252b5132
RH
5670{
5671 if (h != NULL)
07adf181
AM
5672 switch (ELF32_R_TYPE (rel->r_info))
5673 {
5674 case R_SH_GNU_VTINHERIT:
5675 case R_SH_GNU_VTENTRY:
5676 return NULL;
5677 }
9ad5cbcf 5678
07adf181 5679 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
5680}
5681
067653c5
AM
5682/* Copy the extra info we tack onto an elf_link_hash_entry. */
5683
5684static void
fcfa13d2 5685sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
5686 struct elf_link_hash_entry *dir,
5687 struct elf_link_hash_entry *ind)
067653c5
AM
5688{
5689 struct elf_sh_link_hash_entry *edir, *eind;
5690
5691 edir = (struct elf_sh_link_hash_entry *) dir;
5692 eind = (struct elf_sh_link_hash_entry *) ind;
5693
5694 if (eind->dyn_relocs != NULL)
5695 {
5696 if (edir->dyn_relocs != NULL)
5697 {
5698 struct elf_sh_dyn_relocs **pp;
5699 struct elf_sh_dyn_relocs *p;
5700
fcfa13d2 5701 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
5702 list. Merge any entries against the same section. */
5703 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
5704 {
5705 struct elf_sh_dyn_relocs *q;
5706
5707 for (q = edir->dyn_relocs; q != NULL; q = q->next)
5708 if (q->sec == p->sec)
5709 {
5710 q->pc_count += p->pc_count;
5711 q->count += p->count;
5712 *pp = p->next;
5713 break;
5714 }
5715 if (q == NULL)
5716 pp = &p->next;
5717 }
5718 *pp = edir->dyn_relocs;
5719 }
5720
5721 edir->dyn_relocs = eind->dyn_relocs;
5722 eind->dyn_relocs = NULL;
5723 }
4989d792
SC
5724 edir->gotplt_refcount = eind->gotplt_refcount;
5725 eind->gotplt_refcount = 0;
396a6083 5726#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
5727 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
5728 eind->datalabel_got.refcount = 0;
396a6083 5729#endif
8e45593f 5730 edir->funcdesc.refcount += eind->funcdesc.refcount;
68ffbac6 5731 eind->funcdesc.refcount = 0;
8e45593f 5732 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
68ffbac6 5733 eind->abs_funcdesc_refcount = 0;
067653c5 5734
3376eaf5
KK
5735 if (ind->root.type == bfd_link_hash_indirect
5736 && dir->got.refcount <= 0)
5737 {
8e45593f
NC
5738 edir->got_type = eind->got_type;
5739 eind->got_type = GOT_UNKNOWN;
3376eaf5
KK
5740 }
5741
04e534c3 5742 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
5743 && dir->dynamic_adjusted)
5744 {
5745 /* If called to transfer flags for a weakdef during processing
5746 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
5747 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
e81830c5
AM
5748 if (dir->versioned != versioned_hidden)
5749 dir->ref_dynamic |= ind->ref_dynamic;
f5385ebf
AM
5750 dir->ref_regular |= ind->ref_regular;
5751 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
5752 dir->needs_plt |= ind->needs_plt;
5753 }
04e534c3 5754 else
fcfa13d2 5755 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
5756}
5757
3376eaf5 5758static int
09fd220b
KK
5759sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
5760 int is_local)
3376eaf5 5761{
0e1862bb 5762 if (bfd_link_pic (info))
3376eaf5
KK
5763 return r_type;
5764
5765 switch (r_type)
5766 {
5767 case R_SH_TLS_GD_32:
5768 case R_SH_TLS_IE_32:
5769 if (is_local)
5770 return R_SH_TLS_LE_32;
5771 return R_SH_TLS_IE_32;
5772 case R_SH_TLS_LD_32:
5773 return R_SH_TLS_LE_32;
5774 }
5775
5776 return r_type;
5777}
5778
252b5132
RH
5779/* Look through the relocs for a section during the first phase.
5780 Since we don't do .gots or .plts, we just need to consider the
5781 virtual table relocs for gc. */
435b1e90 5782
b34976b6 5783static bfd_boolean
09fd220b
KK
5784sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
5785 const Elf_Internal_Rela *relocs)
252b5132
RH
5786{
5787 Elf_Internal_Shdr *symtab_hdr;
5582a088 5788 struct elf_link_hash_entry **sym_hashes;
067653c5 5789 struct elf_sh_link_hash_table *htab;
252b5132
RH
5790 const Elf_Internal_Rela *rel;
5791 const Elf_Internal_Rela *rel_end;
37c644f2 5792 asection *sreloc;
3376eaf5 5793 unsigned int r_type;
85e02784 5794 enum got_type got_type, old_got_type;
435b1e90 5795
37c644f2
AO
5796 sreloc = NULL;
5797
0e1862bb 5798 if (bfd_link_relocatable (info))
b34976b6 5799 return TRUE;
435b1e90 5800
0ffa91dd
NC
5801 BFD_ASSERT (is_sh_elf (abfd));
5802
5803 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 5804 sym_hashes = elf_sym_hashes (abfd);
435b1e90 5805
067653c5 5806 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
5807 if (htab == NULL)
5808 return FALSE;
5809
252b5132
RH
5810 rel_end = relocs + sec->reloc_count;
5811 for (rel = relocs; rel < rel_end; rel++)
5812 {
5813 struct elf_link_hash_entry *h;
5814 unsigned long r_symndx;
396a6083
SC
5815#ifdef INCLUDE_SHMEDIA
5816 int seen_stt_datalabel = 0;
5817#endif
435b1e90 5818
252b5132 5819 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
5820 r_type = ELF32_R_TYPE (rel->r_info);
5821
252b5132 5822 if (r_symndx < symtab_hdr->sh_info)
435b1e90 5823 h = NULL;
252b5132 5824 else
396a6083
SC
5825 {
5826 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
5827 while (h->root.type == bfd_link_hash_indirect
5828 || h->root.type == bfd_link_hash_warning)
5829 {
973a3492 5830#ifdef INCLUDE_SHMEDIA
396a6083 5831 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 5832#endif
396a6083
SC
5833 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5834 }
81fbe831
AM
5835
5836 /* PR15323, ref flags aren't set for references in the same
5837 object. */
bc4e12de 5838 h->root.non_ir_ref_regular = 1;
396a6083 5839 }
435b1e90 5840
3376eaf5 5841 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
0e1862bb 5842 if (! bfd_link_pic (info)
3376eaf5
KK
5843 && r_type == R_SH_TLS_IE_32
5844 && h != NULL
5845 && h->root.type != bfd_link_hash_undefined
5846 && h->root.type != bfd_link_hash_undefweak
5847 && (h->dynindx == -1
f5385ebf 5848 || h->def_regular))
3376eaf5
KK
5849 r_type = R_SH_TLS_LE_32;
5850
8e45593f
NC
5851 if (htab->fdpic_p)
5852 switch (r_type)
5853 {
5854 case R_SH_GOTOFFFUNCDESC:
5855 case R_SH_GOTOFFFUNCDESC20:
5856 case R_SH_FUNCDESC:
5857 case R_SH_GOTFUNCDESC:
5858 case R_SH_GOTFUNCDESC20:
5859 if (h != NULL)
5860 {
5861 if (h->dynindx == -1)
5862 switch (ELF_ST_VISIBILITY (h->other))
5863 {
5864 case STV_INTERNAL:
5865 case STV_HIDDEN:
5866 break;
5867 default:
5868 bfd_elf_link_record_dynamic_symbol (info, h);
5869 break;
5870 }
5871 }
5872 break;
5873 }
5874
37c644f2 5875 /* Some relocs require a global offset table. */
ce558b89 5876 if (htab->root.sgot == NULL)
37c644f2 5877 {
3376eaf5 5878 switch (r_type)
37c644f2 5879 {
8e45593f
NC
5880 case R_SH_DIR32:
5881 /* This may require an rofixup. */
5882 if (!htab->fdpic_p)
5883 break;
1a0670f3 5884 /* Fall through. */
fbca6ad9 5885 case R_SH_GOTPLT32:
37c644f2 5886 case R_SH_GOT32:
8e45593f 5887 case R_SH_GOT20:
37c644f2 5888 case R_SH_GOTOFF:
8e45593f
NC
5889 case R_SH_GOTOFF20:
5890 case R_SH_FUNCDESC:
5891 case R_SH_GOTFUNCDESC:
5892 case R_SH_GOTFUNCDESC20:
5893 case R_SH_GOTOFFFUNCDESC:
5894 case R_SH_GOTOFFFUNCDESC20:
37c644f2 5895 case R_SH_GOTPC:
fbca6ad9
AO
5896#ifdef INCLUDE_SHMEDIA
5897 case R_SH_GOTPLT_LOW16:
5898 case R_SH_GOTPLT_MEDLOW16:
5899 case R_SH_GOTPLT_MEDHI16:
5900 case R_SH_GOTPLT_HI16:
5901 case R_SH_GOTPLT10BY4:
5902 case R_SH_GOTPLT10BY8:
5903 case R_SH_GOT_LOW16:
5904 case R_SH_GOT_MEDLOW16:
5905 case R_SH_GOT_MEDHI16:
5906 case R_SH_GOT_HI16:
5907 case R_SH_GOT10BY4:
5908 case R_SH_GOT10BY8:
5909 case R_SH_GOTOFF_LOW16:
5910 case R_SH_GOTOFF_MEDLOW16:
5911 case R_SH_GOTOFF_MEDHI16:
5912 case R_SH_GOTOFF_HI16:
5913 case R_SH_GOTPC_LOW16:
5914 case R_SH_GOTPC_MEDLOW16:
5915 case R_SH_GOTPC_MEDHI16:
5916 case R_SH_GOTPC_HI16:
5917#endif
3376eaf5
KK
5918 case R_SH_TLS_GD_32:
5919 case R_SH_TLS_LD_32:
5920 case R_SH_TLS_IE_32:
8e45593f
NC
5921 if (htab->root.dynobj == NULL)
5922 htab->root.dynobj = abfd;
5923 if (!create_got_section (htab->root.dynobj, info))
5924 return FALSE;
37c644f2
AO
5925 break;
5926
5927 default:
5928 break;
5929 }
5930 }
5931
3376eaf5 5932 switch (r_type)
067653c5
AM
5933 {
5934 /* This relocation describes the C++ object vtable hierarchy.
5935 Reconstruct it for later use during GC. */
435b1e90 5936 case R_SH_GNU_VTINHERIT:
c152c796 5937 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 5938 return FALSE;
435b1e90
KH
5939 break;
5940
067653c5
AM
5941 /* This relocation describes which C++ vtable entries are actually
5942 used. Record for later use during GC. */
435b1e90 5943 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
5944 BFD_ASSERT (h != NULL);
5945 if (h != NULL
5946 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 5947 return FALSE;
435b1e90 5948 break;
37c644f2 5949
3376eaf5 5950 case R_SH_TLS_IE_32:
0e1862bb 5951 if (bfd_link_pic (info))
3376eaf5
KK
5952 info->flags |= DF_STATIC_TLS;
5953
5954 /* FALLTHROUGH */
267fb3c1 5955 force_got:
3376eaf5 5956 case R_SH_TLS_GD_32:
37c644f2 5957 case R_SH_GOT32:
8e45593f 5958 case R_SH_GOT20:
fbca6ad9
AO
5959#ifdef INCLUDE_SHMEDIA
5960 case R_SH_GOT_LOW16:
5961 case R_SH_GOT_MEDLOW16:
5962 case R_SH_GOT_MEDHI16:
5963 case R_SH_GOT_HI16:
5964 case R_SH_GOT10BY4:
5965 case R_SH_GOT10BY8:
5966#endif
8e45593f
NC
5967 case R_SH_GOTFUNCDESC:
5968 case R_SH_GOTFUNCDESC20:
3376eaf5
KK
5969 switch (r_type)
5970 {
5971 default:
8e45593f 5972 got_type = GOT_NORMAL;
3376eaf5
KK
5973 break;
5974 case R_SH_TLS_GD_32:
8e45593f 5975 got_type = GOT_TLS_GD;
3376eaf5
KK
5976 break;
5977 case R_SH_TLS_IE_32:
8e45593f
NC
5978 got_type = GOT_TLS_IE;
5979 break;
5980 case R_SH_GOTFUNCDESC:
5981 case R_SH_GOTFUNCDESC20:
5982 got_type = GOT_FUNCDESC;
3376eaf5
KK
5983 break;
5984 }
5985
37c644f2 5986 if (h != NULL)
3376eaf5 5987 {
396a6083
SC
5988#ifdef INCLUDE_SHMEDIA
5989 if (seen_stt_datalabel)
5990 {
b34976b6
AM
5991 struct elf_sh_link_hash_entry *eh
5992 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5993
5994 eh->datalabel_got.refcount += 1;
5995 }
5996 else
5997#endif
5998 h->got.refcount += 1;
8e45593f 5999 old_got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5 6000 }
37c644f2
AO
6001 else
6002 {
067653c5
AM
6003 bfd_signed_vma *local_got_refcounts;
6004
435b1e90 6005 /* This is a global offset table entry for a local
067653c5
AM
6006 symbol. */
6007 local_got_refcounts = elf_local_got_refcounts (abfd);
6008 if (local_got_refcounts == NULL)
37c644f2 6009 {
dc810e39 6010 bfd_size_type size;
37c644f2 6011
dc810e39 6012 size = symtab_hdr->sh_info;
067653c5 6013 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
6014#ifdef INCLUDE_SHMEDIA
6015 /* Reserve space for both the datalabel and
6016 codelabel local GOT offsets. */
6017 size *= 2;
6018#endif
3376eaf5 6019 size += symtab_hdr->sh_info;
067653c5
AM
6020 local_got_refcounts = ((bfd_signed_vma *)
6021 bfd_zalloc (abfd, size));
6022 if (local_got_refcounts == NULL)
b34976b6 6023 return FALSE;
067653c5 6024 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
6025#ifdef INCLUDE_SHMEDIA
6026 /* Take care of both the datalabel and codelabel local
6027 GOT offsets. */
8e45593f 6028 sh_elf_local_got_type (abfd)
3376eaf5
KK
6029 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6030#else
8e45593f 6031 sh_elf_local_got_type (abfd)
3376eaf5
KK
6032 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6033#endif
37c644f2 6034 }
396a6083
SC
6035#ifdef INCLUDE_SHMEDIA
6036 if (rel->r_addend & 1)
6037 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6038 else
6039#endif
6040 local_got_refcounts[r_symndx] += 1;
8e45593f 6041 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
3376eaf5
KK
6042 }
6043
6044 /* If a TLS symbol is accessed using IE at least once,
6045 there is no point to use dynamic model for it. */
8e45593f
NC
6046 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
6047 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
3376eaf5 6048 {
8e45593f
NC
6049 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
6050 got_type = GOT_TLS_IE;
3376eaf5
KK
6051 else
6052 {
8e45593f
NC
6053 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
6054 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
4eca0228 6055 _bfd_error_handler
695344c0 6056 /* xgettext:c-format */
8e45593f
NC
6057 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6058 abfd, h->root.root.string);
6059 else if (old_got_type == GOT_FUNCDESC
6060 || got_type == GOT_FUNCDESC)
4eca0228 6061 _bfd_error_handler
695344c0 6062 /* xgettext:c-format */
8e45593f
NC
6063 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6064 abfd, h->root.root.string);
6065 else
4eca0228 6066 _bfd_error_handler
695344c0 6067 /* xgettext:c-format */
4eca0228
AM
6068 (_("%B: `%s' accessed both as normal and thread local symbol"),
6069 abfd, h->root.root.string);
b34976b6 6070 return FALSE;
3376eaf5
KK
6071 }
6072 }
6073
8e45593f 6074 if (old_got_type != got_type)
3376eaf5
KK
6075 {
6076 if (h != NULL)
8e45593f 6077 sh_elf_hash_entry (h)->got_type = got_type;
3376eaf5 6078 else
8e45593f 6079 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
37c644f2 6080 }
3376eaf5
KK
6081
6082 break;
6083
6084 case R_SH_TLS_LD_32:
6085 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
6086 break;
6087
8e45593f
NC
6088 case R_SH_FUNCDESC:
6089 case R_SH_GOTOFFFUNCDESC:
6090 case R_SH_GOTOFFFUNCDESC20:
6091 if (rel->r_addend)
6092 {
4eca0228 6093 _bfd_error_handler
8e45593f
NC
6094 (_("%B: Function descriptor relocation with non-zero addend"),
6095 abfd);
6096 return FALSE;
6097 }
6098
6099 if (h == NULL)
6100 {
6101 union gotref *local_funcdesc;
6102
6103 /* We need a function descriptor for a local symbol. */
6104 local_funcdesc = sh_elf_local_funcdesc (abfd);
6105 if (local_funcdesc == NULL)
6106 {
6107 bfd_size_type size;
6108
6109 size = symtab_hdr->sh_info * sizeof (union gotref);
6110#ifdef INCLUDE_SHMEDIA
6111 /* Count datalabel local GOT. */
6112 size *= 2;
6113#endif
6114 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
6115 if (local_funcdesc == NULL)
6116 return FALSE;
6117 sh_elf_local_funcdesc (abfd) = local_funcdesc;
6118 }
6119 local_funcdesc[r_symndx].refcount += 1;
6120
6121 if (r_type == R_SH_FUNCDESC)
6122 {
0e1862bb 6123 if (!bfd_link_pic (info))
8e45593f
NC
6124 htab->srofixup->size += 4;
6125 else
ce558b89 6126 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
8e45593f
NC
6127 }
6128 }
6129 else
6130 {
6131 sh_elf_hash_entry (h)->funcdesc.refcount++;
6132 if (r_type == R_SH_FUNCDESC)
6133 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
6134
6135 /* If there is a function descriptor reference, then
6136 there should not be any non-FDPIC references. */
6137 old_got_type = sh_elf_hash_entry (h)->got_type;
6138 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
6139 {
6140 if (old_got_type == GOT_NORMAL)
4eca0228 6141 _bfd_error_handler
695344c0 6142 /* xgettext:c-format */
8e45593f
NC
6143 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6144 abfd, h->root.root.string);
6145 else
4eca0228 6146 _bfd_error_handler
695344c0 6147 /* xgettext:c-format */
8e45593f
NC
6148 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6149 abfd, h->root.root.string);
6150 }
6151 }
6152 break;
6153
fbca6ad9
AO
6154 case R_SH_GOTPLT32:
6155#ifdef INCLUDE_SHMEDIA
6156 case R_SH_GOTPLT_LOW16:
6157 case R_SH_GOTPLT_MEDLOW16:
6158 case R_SH_GOTPLT_MEDHI16:
6159 case R_SH_GOTPLT_HI16:
6160 case R_SH_GOTPLT10BY4:
6161 case R_SH_GOTPLT10BY8:
6162#endif
6163 /* If this is a local symbol, we resolve it directly without
6164 creating a procedure linkage table entry. */
6165
6166 if (h == NULL
f5385ebf 6167 || h->forced_local
0e1862bb 6168 || ! bfd_link_pic (info)
fbca6ad9 6169 || info->symbolic
067653c5 6170 || h->dynindx == -1)
fbca6ad9
AO
6171 goto force_got;
6172
f5385ebf 6173 h->needs_plt = 1;
067653c5 6174 h->plt.refcount += 1;
4989d792 6175 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
6176
6177 break;
6178
37c644f2 6179 case R_SH_PLT32:
fbca6ad9
AO
6180#ifdef INCLUDE_SHMEDIA
6181 case R_SH_PLT_LOW16:
6182 case R_SH_PLT_MEDLOW16:
6183 case R_SH_PLT_MEDHI16:
6184 case R_SH_PLT_HI16:
6185#endif
37c644f2
AO
6186 /* This symbol requires a procedure linkage table entry. We
6187 actually build the entry in adjust_dynamic_symbol,
6188 because this might be a case of linking PIC code which is
6189 never referenced by a dynamic object, in which case we
6190 don't need to generate a procedure linkage table entry
6191 after all. */
6192
6193 /* If this is a local symbol, we resolve it directly without
6194 creating a procedure linkage table entry. */
6195 if (h == NULL)
6196 continue;
6197
f5385ebf 6198 if (h->forced_local)
37c644f2
AO
6199 break;
6200
f5385ebf 6201 h->needs_plt = 1;
067653c5 6202 h->plt.refcount += 1;
37c644f2
AO
6203 break;
6204
6205 case R_SH_DIR32:
6206 case R_SH_REL32:
46e993b9
KK
6207#ifdef INCLUDE_SHMEDIA
6208 case R_SH_IMM_LOW16_PCREL:
6209 case R_SH_IMM_MEDLOW16_PCREL:
6210 case R_SH_IMM_MEDHI16_PCREL:
6211 case R_SH_IMM_HI16_PCREL:
6212#endif
0e1862bb 6213 if (h != NULL && ! bfd_link_pic (info))
067653c5 6214 {
f5385ebf 6215 h->non_got_ref = 1;
067653c5
AM
6216 h->plt.refcount += 1;
6217 }
37c644f2
AO
6218
6219 /* If we are creating a shared library, and this is a reloc
6220 against a global symbol, or a non PC relative reloc
6221 against a local symbol, then we need to copy the reloc
6222 into the shared library. However, if we are linking with
6223 -Bsymbolic, we do not need to copy a reloc against a
6224 global symbol which is defined in an object we are
6225 including in the link (i.e., DEF_REGULAR is set). At
6226 this point we have not seen all the input files, so it is
6227 possible that DEF_REGULAR is not set now but will be set
6228 later (it is never cleared). We account for that
6229 possibility below by storing information in the
067653c5
AM
6230 dyn_relocs field of the hash table entry. A similar
6231 situation occurs when creating shared libraries and symbol
6232 visibility changes render the symbol local.
6233
6234 If on the other hand, we are creating an executable, we
6235 may need to keep relocations for symbols satisfied by a
6236 dynamic library if we manage to avoid copy relocs for the
6237 symbol. */
0e1862bb 6238 if ((bfd_link_pic (info)
067653c5 6239 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 6240 && (r_type != R_SH_REL32
067653c5
AM
6241 || (h != NULL
6242 && (! info->symbolic
6243 || h->root.type == bfd_link_hash_defweak
f5385ebf 6244 || !h->def_regular))))
0e1862bb 6245 || (! bfd_link_pic (info)
067653c5
AM
6246 && (sec->flags & SEC_ALLOC) != 0
6247 && h != NULL
6248 && (h->root.type == bfd_link_hash_defweak
f5385ebf 6249 || !h->def_regular)))
37c644f2 6250 {
067653c5
AM
6251 struct elf_sh_dyn_relocs *p;
6252 struct elf_sh_dyn_relocs **head;
6253
2293c499
AM
6254 if (htab->root.dynobj == NULL)
6255 htab->root.dynobj = abfd;
067653c5 6256
37c644f2
AO
6257 /* When creating a shared object, we must copy these
6258 reloc types into the output file. We create a reloc
6259 section in dynobj and make room for this reloc. */
6260 if (sreloc == NULL)
6261 {
83bac4b0
NC
6262 sreloc = _bfd_elf_make_dynamic_reloc_section
6263 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 6264
37c644f2 6265 if (sreloc == NULL)
83bac4b0 6266 return FALSE;
37c644f2
AO
6267 }
6268
067653c5
AM
6269 /* If this is a global symbol, we count the number of
6270 relocations we need for this symbol. */
6271 if (h != NULL)
6272 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6273 else
37c644f2 6274 {
87d72d41 6275 /* Track dynamic relocs needed for local syms too. */
067653c5 6276 asection *s;
6edfbbad 6277 void *vpp;
87d72d41 6278 Elf_Internal_Sym *isym;
37c644f2 6279
87d72d41
AM
6280 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
6281 abfd, r_symndx);
6282 if (isym == NULL)
b34976b6 6283 return FALSE;
37c644f2 6284
87d72d41
AM
6285 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
6286 if (s == NULL)
6287 s = sec;
6288
6edfbbad
DJ
6289 vpp = &elf_section_data (s)->local_dynrel;
6290 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 6291 }
37c644f2 6292
067653c5
AM
6293 p = *head;
6294 if (p == NULL || p->sec != sec)
6295 {
6296 bfd_size_type amt = sizeof (*p);
2293c499 6297 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 6298 if (p == NULL)
b34976b6 6299 return FALSE;
067653c5
AM
6300 p->next = *head;
6301 *head = p;
6302 p->sec = sec;
6303 p->count = 0;
6304 p->pc_count = 0;
37c644f2 6305 }
067653c5
AM
6306
6307 p->count += 1;
46e993b9
KK
6308 if (r_type == R_SH_REL32
6309#ifdef INCLUDE_SHMEDIA
6310 || r_type == R_SH_IMM_LOW16_PCREL
6311 || r_type == R_SH_IMM_MEDLOW16_PCREL
6312 || r_type == R_SH_IMM_MEDHI16_PCREL
6313 || r_type == R_SH_IMM_HI16_PCREL
6314#endif
6315 )
067653c5 6316 p->pc_count += 1;
37c644f2
AO
6317 }
6318
8e45593f
NC
6319 /* Allocate the fixup regardless of whether we need a relocation.
6320 If we end up generating the relocation, we'll unallocate the
6321 fixup. */
0e1862bb 6322 if (htab->fdpic_p && !bfd_link_pic (info)
8e45593f
NC
6323 && r_type == R_SH_DIR32
6324 && (sec->flags & SEC_ALLOC) != 0)
6325 htab->srofixup->size += 4;
37c644f2 6326 break;
3376eaf5
KK
6327
6328 case R_SH_TLS_LE_32:
3cbc1e5e 6329 if (bfd_link_dll (info))
3376eaf5 6330 {
4eca0228 6331 _bfd_error_handler
d003868e
AM
6332 (_("%B: TLS local exec code cannot be linked into shared objects"),
6333 abfd);
b34976b6 6334 return FALSE;
3376eaf5
KK
6335 }
6336
267fb3c1 6337 break;
3376eaf5 6338
3376eaf5 6339 case R_SH_TLS_LDO_32:
267fb3c1 6340 /* Nothing to do. */
3376eaf5
KK
6341 break;
6342
6343 default:
6344 break;
435b1e90 6345 }
252b5132 6346 }
435b1e90 6347
b34976b6 6348 return TRUE;
252b5132
RH
6349}
6350
fbca6ad9 6351#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
6352static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6353
b34976b6 6354static bfd_boolean
09fd220b 6355sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 6356{
f6f9408f
JR
6357 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6358
f461bbd8 6359 if (flags >= ARRAY_SIZE (sh_ef_bfd_table))
f6f9408f
JR
6360 return FALSE;
6361
6362 if (sh_ef_bfd_table[flags] == 0)
6363 return FALSE;
68ffbac6 6364
f6f9408f 6365 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 6366
b34976b6 6367 return TRUE;
d4845d57 6368}
f6f9408f
JR
6369
6370
6371/* Reverse table lookup for sh_ef_bfd_table[].
6372 Given a bfd MACH value from archures.c
6373 return the equivalent ELF flags from the table.
6374 Return -1 if no match is found. */
6375
6376int
6377sh_elf_get_flags_from_mach (unsigned long mach)
6378{
4195f552 6379 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
68ffbac6 6380
f6f9408f
JR
6381 for (; i>0; i--)
6382 if (sh_ef_bfd_table[i] == mach)
6383 return i;
68ffbac6 6384
f6f9408f
JR
6385 /* shouldn't get here */
6386 BFD_FAIL();
6387
6388 return -1;
6389}
fbca6ad9 6390#endif /* not sh_elf_set_mach_from_flags */
d4845d57 6391
fbca6ad9 6392#ifndef sh_elf_copy_private_data
d4845d57 6393/* Copy backend specific data from one object module to another */
435b1e90 6394
b34976b6 6395static bfd_boolean
09fd220b 6396sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 6397{
0ffa91dd
NC
6398 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6399 return TRUE;
6400
e2349352
L
6401 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
6402 return FALSE;
6403
6404 return sh_elf_set_mach_from_flags (obfd);
d4845d57 6405}
fbca6ad9 6406#endif /* not sh_elf_copy_private_data */
d4845d57 6407
fbca6ad9 6408#ifndef sh_elf_merge_private_data
d4845d57 6409
f6f9408f
JR
6410/* This function returns the ELF architecture number that
6411 corresponds to the given arch_sh* flags. */
85fbca6a 6412
f6f9408f
JR
6413int
6414sh_find_elf_flags (unsigned int arch_set)
d4845d57 6415{
85fbca6a 6416 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 6417 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 6418
f6f9408f
JR
6419 return sh_elf_get_flags_from_mach (bfd_mach);
6420}
f6f9408f 6421
1047201f
AM
6422/* Merge the architecture type of two BFD files, such that the
6423 resultant architecture supports all the features required
6424 by the two input BFDs.
6425 If the input BFDs are multually incompatible - i.e. one uses
6426 DSP while the other uses FPU - or there is no known architecture
6427 that fits the requirements then an error is emitted. */
6428
6429static bfd_boolean
50e03d47 6430sh_merge_bfd_arch (bfd *ibfd, struct bfd_link_info *info)
1047201f 6431{
50e03d47 6432 bfd *obfd = info->output_bfd;
1047201f
AM
6433 unsigned int old_arch, new_arch, merged_arch;
6434
50e03d47 6435 if (! _bfd_generic_verify_endian_match (ibfd, info))
1047201f
AM
6436 return FALSE;
6437
6438 old_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (obfd));
6439 new_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (ibfd));
6440
6441 merged_arch = SH_MERGE_ARCH_SET (old_arch, new_arch);
6442
6443 if (!SH_VALID_CO_ARCH_SET (merged_arch))
6444 {
6445 _bfd_error_handler
695344c0
NC
6446 /* xgettext:c-format */
6447 (_("%B: uses %s instructions while previous modules "
6448 "use %s instructions"),
1047201f
AM
6449 ibfd,
6450 SH_ARCH_SET_HAS_DSP (new_arch) ? "dsp" : "floating point",
6451 SH_ARCH_SET_HAS_DSP (new_arch) ? "floating point" : "dsp");
6452 bfd_set_error (bfd_error_bad_value);
6453 return FALSE;
6454 }
6455 else if (!SH_VALID_ARCH_SET (merged_arch))
6456 {
6457 _bfd_error_handler
695344c0
NC
6458 /* xgettext:c-format */
6459 (_("internal error: merge of architecture '%s' with "
6460 "architecture '%s' produced unknown architecture"),
1047201f
AM
6461 bfd_printable_name (obfd),
6462 bfd_printable_name (ibfd));
6463 bfd_set_error (bfd_error_bad_value);
6464 return FALSE;
6465 }
6466
6467 bfd_default_set_arch_mach (obfd, bfd_arch_sh,
6468 sh_get_bfd_mach_from_arch_set (merged_arch));
6469
6470 return TRUE;
6471}
6472
f6f9408f
JR
6473/* This routine initialises the elf flags when required and
6474 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 6475
f6f9408f 6476static bfd_boolean
50e03d47 6477sh_elf_merge_private_data (bfd *ibfd, struct bfd_link_info *info)
f6f9408f 6478{
50e03d47 6479 bfd *obfd = info->output_bfd;
85fbca6a 6480
0ffa91dd 6481 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 6482 return TRUE;
d4845d57
JR
6483
6484 if (! elf_flags_init (obfd))
6485 {
a39b79b9 6486 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 6487 elf_flags_init (obfd) = TRUE;
8e45593f 6488 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
f6f9408f 6489 sh_elf_set_mach_from_flags (obfd);
8e45593f 6490 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
fbedb42d 6491 elf_elfheader (obfd)->e_flags &= ~EF_SH_PIC;
d4845d57 6492 }
d4845d57 6493
50e03d47 6494 if (! sh_merge_bfd_arch (ibfd, info))
1d70c7fb 6495 {
695344c0
NC
6496 _bfd_error_handler (_("%B: uses instructions which are incompatible "
6497 "with instructions used in previous modules"),
d003868e 6498 ibfd);
1d70c7fb
AO
6499 bfd_set_error (bfd_error_bad_value);
6500 return FALSE;
6501 }
f6f9408f 6502
8e45593f
NC
6503 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
6504 elf_elfheader (obfd)->e_flags |=
f6f9408f 6505 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
8e45593f
NC
6506
6507 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
6508 {
695344c0 6509 _bfd_error_handler (_("%B: attempt to mix FDPIC and non-FDPIC objects"),
8e45593f
NC
6510 ibfd);
6511 bfd_set_error (bfd_error_bad_value);
6512 return FALSE;
6513 }
6514
f6f9408f 6515 return TRUE;
d4845d57 6516}
fbca6ad9 6517#endif /* not sh_elf_merge_private_data */
d4845d57 6518
3376eaf5
KK
6519/* Override the generic function because we need to store sh_elf_obj_tdata
6520 as the specific tdata. We set also the machine architecture from flags
6521 here. */
6522
b34976b6 6523static bfd_boolean
09fd220b 6524sh_elf_object_p (bfd *abfd)
3376eaf5 6525{
8e45593f
NC
6526 if (! sh_elf_set_mach_from_flags (abfd))
6527 return FALSE;
6528
6529 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
6530 == fdpic_object_p (abfd));
3376eaf5
KK
6531}
6532
37c644f2
AO
6533/* Finish up dynamic symbol handling. We set the contents of various
6534 dynamic sections here. */
6535
b34976b6 6536static bfd_boolean
09fd220b
KK
6537sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6538 struct elf_link_hash_entry *h,
6539 Elf_Internal_Sym *sym)
37c644f2 6540{
067653c5 6541 struct elf_sh_link_hash_table *htab;
37c644f2 6542
067653c5 6543 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6544 if (htab == NULL)
6545 return FALSE;
37c644f2
AO
6546
6547 if (h->plt.offset != (bfd_vma) -1)
6548 {
6549 asection *splt;
8e45593f
NC
6550 asection *sgotplt;
6551 asection *srelplt;
37c644f2
AO
6552
6553 bfd_vma plt_index;
6554 bfd_vma got_offset;
6555 Elf_Internal_Rela rel;
947216bf 6556 bfd_byte *loc;
8e45593f 6557 const struct elf_sh_plt_info *plt_info;
37c644f2
AO
6558
6559 /* This symbol has an entry in the procedure linkage table. Set
6560 it up. */
6561
6562 BFD_ASSERT (h->dynindx != -1);
6563
ce558b89
AM
6564 splt = htab->root.splt;
6565 sgotplt = htab->root.sgotplt;
6566 srelplt = htab->root.srelplt;
8e45593f 6567 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
37c644f2
AO
6568
6569 /* Get the index in the procedure linkage table which
6570 corresponds to this symbol. This is the index of this symbol
6571 in all the symbols for which we are making plt entries. The
6572 first entry in the procedure linkage table is reserved. */
55e6e397 6573 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2 6574
8e45593f
NC
6575 plt_info = htab->plt_info;
6576 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6577 plt_info = plt_info->short_plt;
6578
37c644f2 6579 /* Get the offset into the .got table of the entry that
8e45593f
NC
6580 corresponds to this function. */
6581 if (htab->fdpic_p)
6582 /* The offset must be relative to the GOT symbol, twelve bytes
6583 before the end of .got.plt. Each descriptor is eight
6584 bytes. */
6585 got_offset = plt_index * 8 + 12 - sgotplt->size;
6586 else
6587 /* Each .got entry is 4 bytes. The first three are
6588 reserved. */
6589 got_offset = (plt_index + 3) * 4;
37c644f2 6590
fbca6ad9 6591#ifdef GOT_BIAS
0e1862bb 6592 if (bfd_link_pic (info))
c8614e8e 6593 got_offset -= GOT_BIAS;
fbca6ad9
AO
6594#endif
6595
37c644f2 6596 /* Fill in the entry in the procedure linkage table. */
55e6e397 6597 memcpy (splt->contents + h->plt.offset,
8e45593f
NC
6598 plt_info->symbol_entry,
6599 plt_info->symbol_entry_size);
55e6e397 6600
0e1862bb 6601 if (bfd_link_pic (info) || htab->fdpic_p)
8e45593f
NC
6602 {
6603 if (plt_info->symbol_fields.got20)
6604 {
6605 bfd_reloc_status_type r;
6606 r = install_movi20_field (output_bfd, got_offset,
6607 splt->owner, splt, splt->contents,
6608 h->plt.offset
6609 + plt_info->symbol_fields.got_entry);
6610 BFD_ASSERT (r == bfd_reloc_ok);
6611 }
6612 else
6613 install_plt_field (output_bfd, FALSE, got_offset,
6614 (splt->contents
6615 + h->plt.offset
6616 + plt_info->symbol_fields.got_entry));
6617 }
55e6e397 6618 else
37c644f2 6619 {
8e45593f
NC
6620 BFD_ASSERT (!plt_info->symbol_fields.got20);
6621
55e6e397 6622 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6623 (sgotplt->output_section->vma
6624 + sgotplt->output_offset
fbca6ad9 6625 + got_offset),
55e6e397
RS
6626 (splt->contents
6627 + h->plt.offset
8e45593f 6628 + plt_info->symbol_fields.got_entry));
55e6e397 6629 if (htab->vxworks_p)
37c644f2 6630 {
55e6e397
RS
6631 unsigned int reachable_plts, plts_per_4k;
6632 int distance;
6633
6634 /* Divide the PLT into groups. The first group contains
6635 REACHABLE_PLTS entries and the other groups contain
6636 PLTS_PER_4K entries. Entries in the first group can
6637 branch directly to .plt; those in later groups branch
6638 to the last element of the previous group. */
6639 /* ??? It would be better to create multiple copies of
6640 the common resolver stub. */
6641 reachable_plts = ((4096
8e45593f
NC
6642 - plt_info->plt0_entry_size
6643 - (plt_info->symbol_fields.plt + 4))
6644 / plt_info->symbol_entry_size) + 1;
6645 plts_per_4k = (4096 / plt_info->symbol_entry_size);
55e6e397
RS
6646 if (plt_index < reachable_plts)
6647 distance = -(h->plt.offset
8e45593f 6648 + plt_info->symbol_fields.plt);
55e6e397
RS
6649 else
6650 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
8e45593f 6651 * plt_info->symbol_entry_size);
55e6e397
RS
6652
6653 /* Install the 'bra' with this offset. */
6654 bfd_put_16 (output_bfd,
6655 0xa000 | (0x0fff & ((distance - 4) / 2)),
6656 (splt->contents
6657 + h->plt.offset
8e45593f 6658 + plt_info->symbol_fields.plt));
37c644f2 6659 }
55e6e397
RS
6660 else
6661 install_plt_field (output_bfd, TRUE,
6662 splt->output_section->vma + splt->output_offset,
6663 (splt->contents
6664 + h->plt.offset
8e45593f 6665 + plt_info->symbol_fields.plt));
37c644f2
AO
6666 }
6667
8e45593f 6668 /* Make got_offset relative to the start of .got.plt. */
fbca6ad9 6669#ifdef GOT_BIAS
0e1862bb 6670 if (bfd_link_pic (info))
c8614e8e 6671 got_offset += GOT_BIAS;
fbca6ad9 6672#endif
8e45593f
NC
6673 if (htab->fdpic_p)
6674 got_offset = plt_index * 8;
fbca6ad9 6675
8e45593f
NC
6676 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6677 install_plt_field (output_bfd, FALSE,
6678 plt_index * sizeof (Elf32_External_Rela),
6679 (splt->contents
6680 + h->plt.offset
6681 + plt_info->symbol_fields.reloc_offset));
37c644f2
AO
6682
6683 /* Fill in the entry in the global offset table. */
6684 bfd_put_32 (output_bfd,
6685 (splt->output_section->vma
6686 + splt->output_offset
6687 + h->plt.offset
8e45593f
NC
6688 + plt_info->symbol_resolve_offset),
6689 sgotplt->contents + got_offset);
6690 if (htab->fdpic_p)
6691 bfd_put_32 (output_bfd,
ce558b89 6692 sh_elf_osec_to_segment (output_bfd, splt->output_section),
8e45593f 6693 sgotplt->contents + got_offset + 4);
37c644f2
AO
6694
6695 /* Fill in the entry in the .rela.plt section. */
8e45593f
NC
6696 rel.r_offset = (sgotplt->output_section->vma
6697 + sgotplt->output_offset
37c644f2 6698 + got_offset);
8e45593f
NC
6699 if (htab->fdpic_p)
6700 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6701 else
6702 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
37c644f2 6703 rel.r_addend = 0;
fbca6ad9
AO
6704#ifdef GOT_BIAS
6705 rel.r_addend = GOT_BIAS;
6706#endif
8e45593f 6707 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
947216bf 6708 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 6709
0e1862bb 6710 if (htab->vxworks_p && !bfd_link_pic (info))
55e6e397
RS
6711 {
6712 /* Create the .rela.plt.unloaded relocations for this PLT entry.
6713 Begin by pointing LOC to the first such relocation. */
6714 loc = (htab->srelplt2->contents
6715 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
6716
6717 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
6718 for the PLT entry's pointer to the .got.plt entry. */
ce558b89
AM
6719 rel.r_offset = (splt->output_section->vma
6720 + splt->output_offset
55e6e397 6721 + h->plt.offset
8e45593f 6722 + plt_info->symbol_fields.got_entry);
55e6e397
RS
6723 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6724 rel.r_addend = got_offset;
6725 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6726 loc += sizeof (Elf32_External_Rela);
6727
6728 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
6729 the .got.plt entry, which initially points to .plt. */
8e45593f
NC
6730 rel.r_offset = (sgotplt->output_section->vma
6731 + sgotplt->output_offset
55e6e397
RS
6732 + got_offset);
6733 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
6734 rel.r_addend = 0;
6735 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6736 }
6737
f5385ebf 6738 if (!h->def_regular)
37c644f2
AO
6739 {
6740 /* Mark the symbol as undefined, rather than as defined in
6741 the .plt section. Leave the value alone. */
6742 sym->st_shndx = SHN_UNDEF;
6743 }
6744 }
6745
3376eaf5 6746 if (h->got.offset != (bfd_vma) -1
8e45593f
NC
6747 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
6748 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
6749 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
37c644f2
AO
6750 {
6751 asection *sgot;
8e45593f 6752 asection *srelgot;
37c644f2 6753 Elf_Internal_Rela rel;
947216bf 6754 bfd_byte *loc;
37c644f2
AO
6755
6756 /* This symbol has an entry in the global offset table. Set it
6757 up. */
6758
ce558b89
AM
6759 sgot = htab->root.sgot;
6760 srelgot = htab->root.srelgot;
8e45593f 6761 BFD_ASSERT (sgot != NULL && srelgot != NULL);
37c644f2
AO
6762
6763 rel.r_offset = (sgot->output_section->vma
6764 + sgot->output_offset
dc810e39 6765 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 6766
067653c5
AM
6767 /* If this is a static link, or it is a -Bsymbolic link and the
6768 symbol is defined locally or was forced to be local because
6769 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
6770 The entry in the global offset table will already have been
6771 initialized in the relocate_section function. */
0e1862bb 6772 if (bfd_link_pic (info)
3d85aebe 6773 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2 6774 {
8e45593f
NC
6775 if (htab->fdpic_p)
6776 {
6777 asection *sec = h->root.u.def.section;
6778 int dynindx
6779 = elf_section_data (sec->output_section)->dynindx;
6780
6781 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6782 rel.r_addend = (h->root.u.def.value
6783 + h->root.u.def.section->output_offset);
6784 }
6785 else
6786 {
6787 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6788 rel.r_addend = (h->root.u.def.value
6789 + h->root.u.def.section->output_section->vma
6790 + h->root.u.def.section->output_offset);
6791 }
37c644f2
AO
6792 }
6793 else
6794 {
6795 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6796 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6797 rel.r_addend = 0;
6798 }
6799
8e45593f
NC
6800 loc = srelgot->contents;
6801 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 6802 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
6803 }
6804
396a6083
SC
6805#ifdef INCLUDE_SHMEDIA
6806 {
6807 struct elf_sh_link_hash_entry *eh;
6808
6809 eh = (struct elf_sh_link_hash_entry *) h;
6810 if (eh->datalabel_got.offset != (bfd_vma) -1)
6811 {
6812 asection *sgot;
8e45593f 6813 asection *srelgot;
396a6083 6814 Elf_Internal_Rela rel;
947216bf 6815 bfd_byte *loc;
396a6083
SC
6816
6817 /* This symbol has a datalabel entry in the global offset table.
6818 Set it up. */
6819
ce558b89
AM
6820 sgot = htab->root.sgot;
6821 srelgot = htab->root.srelgot;
8e45593f 6822 BFD_ASSERT (sgot != NULL && srelgot != NULL);
396a6083
SC
6823
6824 rel.r_offset = (sgot->output_section->vma
6825 + sgot->output_offset
6826 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6827
6828 /* If this is a static link, or it is a -Bsymbolic link and the
6829 symbol is defined locally or was forced to be local because
6830 of a version file, we just want to emit a RELATIVE reloc.
6831 The entry in the global offset table will already have been
6832 initialized in the relocate_section function. */
0e1862bb 6833 if (bfd_link_pic (info)
3d85aebe 6834 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083 6835 {
8e45593f
NC
6836 if (htab->fdpic_p)
6837 {
6838 asection *sec = h->root.u.def.section;
6839 int dynindx
6840 = elf_section_data (sec->output_section)->dynindx;
6841
6842 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6843 rel.r_addend = (h->root.u.def.value
6844 + h->root.u.def.section->output_offset);
6845 }
6846 else
6847 {
6848 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6849 rel.r_addend = (h->root.u.def.value
6850 + h->root.u.def.section->output_section->vma
6851 + h->root.u.def.section->output_offset);
6852 }
396a6083
SC
6853 }
6854 else
6855 {
6856 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
6857 + eh->datalabel_got.offset);
6858 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6859 rel.r_addend = 0;
6860 }
6861
8e45593f
NC
6862 loc = srelgot->contents;
6863 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 6864 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
6865 }
6866 }
6867#endif
6868
f5385ebf 6869 if (h->needs_copy)
37c644f2
AO
6870 {
6871 asection *s;
6872 Elf_Internal_Rela rel;
947216bf 6873 bfd_byte *loc;
37c644f2
AO
6874
6875 /* This symbol needs a copy reloc. Set it up. */
6876
6877 BFD_ASSERT (h->dynindx != -1
6878 && (h->root.type == bfd_link_hash_defined
6879 || h->root.type == bfd_link_hash_defweak));
6880
3d4d4302 6881 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
37c644f2
AO
6882 BFD_ASSERT (s != NULL);
6883
6884 rel.r_offset = (h->root.u.def.value
6885 + h->root.u.def.section->output_section->vma
6886 + h->root.u.def.section->output_offset);
6887 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
6888 rel.r_addend = 0;
947216bf
AM
6889 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
6890 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
6891 }
6892
55e6e397
RS
6893 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
6894 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
6895 ".got" section. */
9637f6ef 6896 if (h == htab->root.hdynamic
55e6e397 6897 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
6898 sym->st_shndx = SHN_ABS;
6899
b34976b6 6900 return TRUE;
37c644f2
AO
6901}
6902
6903/* Finish up the dynamic sections. */
6904
b34976b6 6905static bfd_boolean
09fd220b 6906sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 6907{
067653c5 6908 struct elf_sh_link_hash_table *htab;
8e45593f 6909 asection *sgotplt;
37c644f2
AO
6910 asection *sdyn;
6911
067653c5 6912 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6913 if (htab == NULL)
6914 return FALSE;
6915
ce558b89 6916 sgotplt = htab->root.sgotplt;
3d4d4302 6917 sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
37c644f2 6918
067653c5 6919 if (htab->root.dynamic_sections_created)
37c644f2
AO
6920 {
6921 asection *splt;
6922 Elf32_External_Dyn *dyncon, *dynconend;
6923
8e45593f 6924 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
37c644f2
AO
6925
6926 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 6927 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
6928 for (; dyncon < dynconend; dyncon++)
6929 {
6930 Elf_Internal_Dyn dyn;
37c644f2 6931 asection *s;
067653c5
AM
6932#ifdef INCLUDE_SHMEDIA
6933 const char *name;
6934#endif
37c644f2 6935
2293c499 6936 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
6937
6938 switch (dyn.d_tag)
6939 {
6940 default:
7a2b07ff
NS
6941 if (htab->vxworks_p
6942 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
6943 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
6944 break;
6945
3b587c71
AM
6946#ifdef INCLUDE_SHMEDIA
6947 case DT_INIT:
6948 name = info->init_function;
6949 goto get_sym;
6950
6951 case DT_FINI:
6952 name = info->fini_function;
6953 get_sym:
6954 if (dyn.d_un.d_val != 0)
6955 {
067653c5
AM
6956 struct elf_link_hash_entry *h;
6957
6958 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 6959 FALSE, FALSE, TRUE);
3b587c71
AM
6960 if (h != NULL && (h->other & STO_SH5_ISA32))
6961 {
6962 dyn.d_un.d_val |= 1;
6963 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6964 }
6965 }
6966 break;
6967#endif
6968
37c644f2 6969 case DT_PLTGOT:
8e45593f
NC
6970 BFD_ASSERT (htab->root.hgot != NULL);
6971 s = htab->root.hgot->root.u.def.section;
6972 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
6973 + s->output_section->vma + s->output_offset;
6974 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6975 break;
37c644f2
AO
6976
6977 case DT_JMPREL:
ce558b89 6978 s = htab->root.srelplt->output_section;
37c644f2
AO
6979 BFD_ASSERT (s != NULL);
6980 dyn.d_un.d_ptr = s->vma;
6981 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6982 break;
6983
6984 case DT_PLTRELSZ:
ce558b89 6985 s = htab->root.srelplt->output_section;
37c644f2 6986 BFD_ASSERT (s != NULL);
eea6121a 6987 dyn.d_un.d_val = s->size;
37c644f2
AO
6988 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6989 break;
37c644f2
AO
6990 }
6991 }
6992
6993 /* Fill in the first entry in the procedure linkage table. */
ce558b89 6994 splt = htab->root.splt;
55e6e397 6995 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 6996 {
55e6e397
RS
6997 unsigned int i;
6998
6999 memcpy (splt->contents,
7000 htab->plt_info->plt0_entry,
7001 htab->plt_info->plt0_entry_size);
7002 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
7003 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
7004 install_plt_field (output_bfd, FALSE,
8e45593f
NC
7005 (sgotplt->output_section->vma
7006 + sgotplt->output_offset
55e6e397
RS
7007 + (i * 4)),
7008 (splt->contents
7009 + htab->plt_info->plt0_got_fields[i]));
7010
7011 if (htab->vxworks_p)
37c644f2 7012 {
55e6e397
RS
7013 /* Finalize the .rela.plt.unloaded contents. */
7014 Elf_Internal_Rela rel;
7015 bfd_byte *loc;
7016
7017 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
7018 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
7019 loc = htab->srelplt2->contents;
7020 rel.r_offset = (splt->output_section->vma
7021 + splt->output_offset
7022 + htab->plt_info->plt0_got_fields[2]);
7023 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
7024 rel.r_addend = 8;
7025 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7026 loc += sizeof (Elf32_External_Rela);
7027
7028 /* Fix up the remaining .rela.plt.unloaded relocations.
7029 They may have the wrong symbol index for _G_O_T_ or
7030 _P_L_T_ depending on the order in which symbols were
7031 output. */
7032 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 7033 {
55e6e397
RS
7034 /* The PLT entry's pointer to the .got.plt slot. */
7035 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7036 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
7037 R_SH_DIR32);
7038 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7039 loc += sizeof (Elf32_External_Rela);
7040
7041 /* The .got.plt slot's pointer to .plt. */
7042 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7043 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
7044 R_SH_DIR32);
7045 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7046 loc += sizeof (Elf32_External_Rela);
37c644f2 7047 }
37c644f2
AO
7048 }
7049
7050 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7051 really seem like the right value. */
7052 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7053 }
7054 }
7055
7056 /* Fill in the first three entries in the global offset table. */
8e45593f 7057 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
37c644f2
AO
7058 {
7059 if (sdyn == NULL)
8e45593f 7060 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
37c644f2
AO
7061 else
7062 bfd_put_32 (output_bfd,
7063 sdyn->output_section->vma + sdyn->output_offset,
8e45593f
NC
7064 sgotplt->contents);
7065 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
7066 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
7067 }
37c644f2 7068
8e45593f
NC
7069 if (sgotplt && sgotplt->size > 0)
7070 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
68ffbac6 7071
8e45593f
NC
7072 /* At the very end of the .rofixup section is a pointer to the GOT. */
7073 if (htab->fdpic_p && htab->srofixup != NULL)
7074 {
7075 struct elf_link_hash_entry *hgot = htab->root.hgot;
7076 bfd_vma got_value = hgot->root.u.def.value
7077 + hgot->root.u.def.section->output_section->vma
7078 + hgot->root.u.def.section->output_offset;
7079
7080 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
7081
7082 /* Make sure we allocated and generated the same number of fixups. */
7083 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
067653c5 7084 }
37c644f2 7085
8e45593f
NC
7086 if (htab->srelfuncdesc)
7087 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
7088 == htab->srelfuncdesc->size);
7089
ce558b89
AM
7090 if (htab->root.srelgot)
7091 BFD_ASSERT (htab->root.srelgot->reloc_count * sizeof (Elf32_External_Rela)
7092 == htab->root.srelgot->size);
8e45593f 7093
b34976b6 7094 return TRUE;
37c644f2
AO
7095}
7096
99e4ae17 7097static enum elf_reloc_type_class
7e612e98
AM
7098sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
7099 const asection *rel_sec ATTRIBUTE_UNUSED,
7100 const Elf_Internal_Rela *rela)
99e4ae17 7101{
f51e552e 7102 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
7103 {
7104 case R_SH_RELATIVE:
7105 return reloc_class_relative;
7106 case R_SH_JMP_SLOT:
7107 return reloc_class_plt;
7108 case R_SH_COPY:
7109 return reloc_class_copy;
7110 default:
7111 return reloc_class_normal;
7112 }
7113}
7114
85fbca6a 7115#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 7116/* Support for Linux core dump NOTE sections. */
85fbca6a 7117
b34976b6 7118static bfd_boolean
09fd220b 7119elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7120{
7121 int offset;
eea6121a 7122 unsigned int size;
2bc3c89a
AM
7123
7124 switch (note->descsz)
7125 {
7126 default:
b34976b6 7127 return FALSE;
2bc3c89a
AM
7128
7129 case 168: /* Linux/SH */
7130 /* pr_cursig */
228e534f 7131 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
2bc3c89a
AM
7132
7133 /* pr_pid */
228e534f 7134 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
2bc3c89a
AM
7135
7136 /* pr_reg */
7137 offset = 72;
eea6121a 7138 size = 92;
2bc3c89a
AM
7139
7140 break;
7141 }
7142
7143 /* Make a ".reg/999" section. */
7144 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 7145 size, note->descpos + offset);
2bc3c89a
AM
7146}
7147
b34976b6 7148static bfd_boolean
09fd220b 7149elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7150{
7151 switch (note->descsz)
7152 {
7153 default:
b34976b6 7154 return FALSE;
2bc3c89a
AM
7155
7156 case 124: /* Linux/SH elf_prpsinfo */
228e534f 7157 elf_tdata (abfd)->core->program
2bc3c89a 7158 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 7159 elf_tdata (abfd)->core->command
2bc3c89a
AM
7160 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7161 }
7162
7163 /* Note that for some reason, a spurious space is tacked
7164 onto the end of the args in some (at least one anyway)
7165 implementations, so strip it off if it exists. */
7166
7167 {
228e534f 7168 char *command = elf_tdata (abfd)->core->command;
2bc3c89a
AM
7169 int n = strlen (command);
7170
7171 if (0 < n && command[n - 1] == ' ')
7172 command[n - 1] = '\0';
7173 }
7174
b34976b6 7175 return TRUE;
2bc3c89a 7176}
85fbca6a 7177#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 7178
68ffbac6 7179
1f1799d5
KK
7180/* Return address for Ith PLT stub in section PLT, for relocation REL
7181 or (bfd_vma) -1 if it should not be included. */
7182
7183static bfd_vma
7184sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7185 const arelent *rel ATTRIBUTE_UNUSED)
7186{
55e6e397
RS
7187 const struct elf_sh_plt_info *plt_info;
7188
7189 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
7190 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
7191}
7192
8e45593f
NC
7193/* Decide whether to attempt to turn absptr or lsda encodings in
7194 shared libraries into pcrel within the given input section. */
7195
7196static bfd_boolean
7197sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
7198 struct bfd_link_info *info,
7199 asection *eh_frame_section ATTRIBUTE_UNUSED)
7200{
7201 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7202
7203 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
7204 if (htab->fdpic_p)
7205 return FALSE;
7206
7207 return TRUE;
7208}
7209
7210/* Adjust the contents of an eh_frame_hdr section before they're output. */
7211
7212static bfd_byte
7213sh_elf_encode_eh_address (bfd *abfd,
7214 struct bfd_link_info *info,
7215 asection *osec, bfd_vma offset,
7216 asection *loc_sec, bfd_vma loc_offset,
7217 bfd_vma *encoded)
7218{
7219 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7220 struct elf_link_hash_entry *h;
7221
7222 if (!htab->fdpic_p)
7223 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
7224 loc_offset, encoded);
7225
7226 h = htab->root.hgot;
7227 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
7228
7229 if (! h || (sh_elf_osec_to_segment (abfd, osec)
7230 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
7231 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
7232 loc_sec, loc_offset, encoded);
7233
7234 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
7235 == (sh_elf_osec_to_segment
7236 (abfd, h->root.u.def.section->output_section)));
7237
7238 *encoded = osec->vma + offset
7239 - (h->root.u.def.value
7240 + h->root.u.def.section->output_section->vma
7241 + h->root.u.def.section->output_offset);
7242
7243 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
7244}
7245
85fbca6a 7246#if !defined SH_TARGET_ALREADY_DEFINED
6d00b590 7247#define TARGET_BIG_SYM sh_elf32_vec
252b5132 7248#define TARGET_BIG_NAME "elf32-sh"
6d00b590 7249#define TARGET_LITTLE_SYM sh_elf32_le_vec
252b5132 7250#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
7251#endif
7252
252b5132 7253#define ELF_ARCH bfd_arch_sh
ae95ffa6 7254#define ELF_TARGET_ID SH_ELF_DATA
252b5132 7255#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
7256#ifdef __QNXTARGET__
7257#define ELF_MAXPAGESIZE 0x1000
7258#else
7259#define ELF_MAXPAGESIZE 0x80
7260#endif
252b5132
RH
7261
7262#define elf_symbol_leading_char '_'
7263
7264#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
7265#define bfd_elf32_bfd_reloc_name_lookup \
7266 sh_elf_reloc_name_lookup
252b5132
RH
7267#define elf_info_to_howto sh_elf_info_to_howto
7268#define bfd_elf32_bfd_relax_section sh_elf_relax_section
7269#define elf_backend_relocate_section sh_elf_relocate_section
7270#define bfd_elf32_bfd_get_relocated_section_contents \
7271 sh_elf_get_relocated_section_contents
3376eaf5
KK
7272#define bfd_elf32_mkobject sh_elf_mkobject
7273#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
7274#define bfd_elf32_bfd_copy_private_bfd_data \
7275 sh_elf_copy_private_data
875f7f69 7276#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 7277 sh_elf_merge_private_data
252b5132 7278
067653c5 7279#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
067653c5
AM
7280#define elf_backend_check_relocs sh_elf_check_relocs
7281#define elf_backend_copy_indirect_symbol \
7282 sh_elf_copy_indirect_symbol
37c644f2
AO
7283#define elf_backend_create_dynamic_sections \
7284 sh_elf_create_dynamic_sections
7285#define bfd_elf32_bfd_link_hash_table_create \
7286 sh_elf_link_hash_table_create
7287#define elf_backend_adjust_dynamic_symbol \
7288 sh_elf_adjust_dynamic_symbol
55e6e397
RS
7289#define elf_backend_always_size_sections \
7290 sh_elf_always_size_sections
37c644f2
AO
7291#define elf_backend_size_dynamic_sections \
7292 sh_elf_size_dynamic_sections
8e45593f 7293#define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
37c644f2
AO
7294#define elf_backend_finish_dynamic_symbol \
7295 sh_elf_finish_dynamic_symbol
7296#define elf_backend_finish_dynamic_sections \
7297 sh_elf_finish_dynamic_sections
99e4ae17 7298#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 7299#define elf_backend_plt_sym_val sh_elf_plt_sym_val
8e45593f
NC
7300#define elf_backend_can_make_relative_eh_frame \
7301 sh_elf_use_relative_eh_frame
7302#define elf_backend_can_make_lsda_relative_eh_frame \
7303 sh_elf_use_relative_eh_frame
7304#define elf_backend_encode_eh_address \
7305 sh_elf_encode_eh_address
37c644f2 7306
04c3a755 7307#define elf_backend_stack_align 8
067653c5
AM
7308#define elf_backend_can_gc_sections 1
7309#define elf_backend_can_refcount 1
37c644f2
AO
7310#define elf_backend_want_got_plt 1
7311#define elf_backend_plt_readonly 1
7312#define elf_backend_want_plt_sym 0
7313#define elf_backend_got_header_size 12
64f52338 7314#define elf_backend_dtrel_excludes_plt 1
ed71e111 7315
a2f63b2e
MR
7316#define elf_backend_linux_prpsinfo32_ugid16 TRUE
7317
85fbca6a 7318#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 7319
252b5132 7320#include "elf32-target.h"
ed71e111 7321
2bc3c89a
AM
7322/* NetBSD support. */
7323#undef TARGET_BIG_SYM
6d00b590 7324#define TARGET_BIG_SYM sh_elf32_nbsd_vec
2bc3c89a
AM
7325#undef TARGET_BIG_NAME
7326#define TARGET_BIG_NAME "elf32-sh-nbsd"
7327#undef TARGET_LITTLE_SYM
6d00b590 7328#define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec
2bc3c89a
AM
7329#undef TARGET_LITTLE_NAME
7330#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7331#undef ELF_MAXPAGESIZE
7332#define ELF_MAXPAGESIZE 0x10000
24718e3b 7333#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
7334#undef elf_symbol_leading_char
7335#define elf_symbol_leading_char 0
571fe01f 7336#undef elf32_bed
2bc3c89a
AM
7337#define elf32_bed elf32_sh_nbsd_bed
7338
7339#include "elf32-target.h"
7340
2bc3c89a
AM
7341
7342/* Linux support. */
7343#undef TARGET_BIG_SYM
6d00b590 7344#define TARGET_BIG_SYM sh_elf32_linux_be_vec
2bc3c89a
AM
7345#undef TARGET_BIG_NAME
7346#define TARGET_BIG_NAME "elf32-shbig-linux"
7347#undef TARGET_LITTLE_SYM
6d00b590 7348#define TARGET_LITTLE_SYM sh_elf32_linux_vec
2bc3c89a
AM
7349#undef TARGET_LITTLE_NAME
7350#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
7351#undef ELF_COMMONPAGESIZE
7352#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
7353
7354#undef elf_backend_grok_prstatus
7355#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7356#undef elf_backend_grok_psinfo
7357#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 7358#undef elf32_bed
2bc3c89a
AM
7359#define elf32_bed elf32_sh_lin_bed
7360
7361#include "elf32-target.h"
7362
8e45593f
NC
7363
7364/* FDPIC support. */
7365#undef TARGET_BIG_SYM
6d00b590 7366#define TARGET_BIG_SYM sh_elf32_fdpic_be_vec
8e45593f
NC
7367#undef TARGET_BIG_NAME
7368#define TARGET_BIG_NAME "elf32-shbig-fdpic"
7369#undef TARGET_LITTLE_SYM
6d00b590 7370#define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec
8e45593f
NC
7371#undef TARGET_LITTLE_NAME
7372#define TARGET_LITTLE_NAME "elf32-sh-fdpic"
8e45593f
NC
7373
7374#undef elf32_bed
7375#define elf32_bed elf32_sh_fd_bed
7376
7377#include "elf32-target.h"
7378
7379#undef elf_backend_modify_program_headers
7380
7381/* VxWorks support. */
55e6e397 7382#undef TARGET_BIG_SYM
6d00b590 7383#define TARGET_BIG_SYM sh_elf32_vxworks_vec
55e6e397
RS
7384#undef TARGET_BIG_NAME
7385#define TARGET_BIG_NAME "elf32-sh-vxworks"
7386#undef TARGET_LITTLE_SYM
6d00b590 7387#define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec
55e6e397
RS
7388#undef TARGET_LITTLE_NAME
7389#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
7390#undef elf32_bed
7391#define elf32_bed elf32_sh_vxworks_bed
7392
7393#undef elf_backend_want_plt_sym
7394#define elf_backend_want_plt_sym 1
7395#undef elf_symbol_leading_char
7396#define elf_symbol_leading_char '_'
7397#define elf_backend_want_got_underscore 1
7398#undef elf_backend_grok_prstatus
7399#undef elf_backend_grok_psinfo
7400#undef elf_backend_add_symbol_hook
7401#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
7402#undef elf_backend_link_output_symbol_hook
7403#define elf_backend_link_output_symbol_hook \
7404 elf_vxworks_link_output_symbol_hook
7405#undef elf_backend_emit_relocs
7406#define elf_backend_emit_relocs elf_vxworks_emit_relocs
7407#undef elf_backend_final_write_processing
7408#define elf_backend_final_write_processing \
7409 elf_vxworks_final_write_processing
7410#undef ELF_MAXPAGESIZE
7411#define ELF_MAXPAGESIZE 0x1000
7412#undef ELF_COMMONPAGESIZE
7413
7414#include "elf32-target.h"
7415
85fbca6a 7416#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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