Fix memory access violations triggered by running objdump on fuzzed binaries.
[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
CommitLineData
ef230218 1/* Renesas / SuperH SH specific support for 32-bit ELF
b90efa5b 2 Copyright (C) 1996-2015 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
NC
258 /* PR 17512: file: 9891ca98. */
259 if (addr > bfd_get_section_limit (abfd, input_section)
260 - bfd_get_reloc_size (reloc_entry->howto)
261 || bfd_get_reloc_size (reloc_entry->howto)
262 > bfd_get_section_limit (abfd, input_section))
263 return bfd_reloc_outofrange;
264
252b5132 265 if (bfd_is_com_section (symbol_in->section))
435b1e90
KH
266 sym_value = 0;
267 else
252b5132
RH
268 sym_value = (symbol_in->value +
269 symbol_in->section->output_section->vma +
270 symbol_in->section->output_offset);
271
272 switch (r_type)
273 {
274 case R_SH_DIR32:
275 insn = bfd_get_32 (abfd, hit_data);
276 insn += sym_value + reloc_entry->addend;
dc810e39 277 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
278 break;
279 case R_SH_IND12W:
280 insn = bfd_get_16 (abfd, hit_data);
281 sym_value += reloc_entry->addend;
282 sym_value -= (input_section->output_section->vma
283 + input_section->output_offset
284 + addr
285 + 4);
286 sym_value += (insn & 0xfff) << 1;
287 if (insn & 0x800)
288 sym_value -= 0x1000;
289 insn = (insn & 0xf000) | (sym_value & 0xfff);
dc810e39 290 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
291 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
292 return bfd_reloc_overflow;
293 break;
294 default:
295 abort ();
296 break;
297 }
298
299 return bfd_reloc_ok;
300}
301
302/* This function is used for relocs which are only used for relaxing,
303 which the linker should otherwise ignore. */
304
305static bfd_reloc_status_type
09fd220b
KK
306sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
307 asymbol *symbol ATTRIBUTE_UNUSED,
308 void *data ATTRIBUTE_UNUSED, asection *input_section,
309 bfd *output_bfd,
310 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
311{
312 if (output_bfd != NULL)
313 reloc_entry->address += input_section->output_offset;
314 return bfd_reloc_ok;
315}
316
317/* This structure is used to map BFD reloc codes to SH ELF relocs. */
318
38b1a46c
NC
319struct elf_reloc_map
320{
252b5132
RH
321 bfd_reloc_code_real_type bfd_reloc_val;
322 unsigned char elf_reloc_val;
323};
324
325/* An array mapping BFD reloc codes to SH ELF relocs. */
326
38b1a46c
NC
327static const struct elf_reloc_map sh_reloc_map[] =
328{
252b5132
RH
329 { BFD_RELOC_NONE, R_SH_NONE },
330 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
331 { BFD_RELOC_16, R_SH_DIR16 },
332 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
333 { BFD_RELOC_CTOR, R_SH_DIR32 },
334 { BFD_RELOC_32_PCREL, R_SH_REL32 },
335 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
336 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
337 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
338 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
339 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
340 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
341 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
342 { BFD_RELOC_SH_USES, R_SH_USES },
343 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
344 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
345 { BFD_RELOC_SH_CODE, R_SH_CODE },
346 { BFD_RELOC_SH_DATA, R_SH_DATA },
347 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
348 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
349 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
350 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
351 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
352 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
353 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
354 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
355 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
356 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
357 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
358 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
359 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
360 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
361 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
362 { BFD_RELOC_SH_COPY, R_SH_COPY },
363 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
364 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
365 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
366 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
367 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9 368 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
8e45593f
NC
369 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
370 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
371 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
372 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
373 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
374 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
375 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
fbca6ad9
AO
376#ifdef INCLUDE_SHMEDIA
377 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
378 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
379 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
380 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
381 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
382 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
383 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
384 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
385 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
386 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
387 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
388 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
389 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
390 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
391 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
392 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
393 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
394 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
395 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
396 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
397 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
398 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
399 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
400 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
401 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
402 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
403 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
404 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
405 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
406 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
407 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
408 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
409 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
410 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
411 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
412 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
413 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
414 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
415 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
416 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
417 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
418 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
419 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
420 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
421 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
422 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
423 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
424 { BFD_RELOC_64, R_SH_64 },
425 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
426#endif /* not INCLUDE_SHMEDIA */
252b5132
RH
427};
428
429/* Given a BFD reloc code, return the howto structure for the
55e6e397 430 corresponding SH ELF reloc. */
252b5132
RH
431
432static reloc_howto_type *
55e6e397 433sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
434{
435 unsigned int i;
436
437 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
438 {
439 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 440 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
441 }
442
443 return NULL;
444}
445
157090f7
AM
446static reloc_howto_type *
447sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
448{
449 unsigned int i;
450
451 if (vxworks_object_p (abfd))
452 {
453 for (i = 0;
454 i < (sizeof (sh_vxworks_howto_table)
455 / sizeof (sh_vxworks_howto_table[0]));
456 i++)
457 if (sh_vxworks_howto_table[i].name != NULL
458 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
459 return &sh_vxworks_howto_table[i];
460 }
461 else
462 {
463 for (i = 0;
464 i < (sizeof (sh_elf_howto_table)
465 / sizeof (sh_elf_howto_table[0]));
466 i++)
467 if (sh_elf_howto_table[i].name != NULL
468 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
469 return &sh_elf_howto_table[i];
470 }
471
472 return NULL;
473}
474
252b5132
RH
475/* Given an ELF reloc, fill in the howto field of a relent. */
476
477static void
55e6e397 478sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
479{
480 unsigned int r;
481
482 r = ELF32_R_TYPE (dst->r_info);
483
cd21f5da
NC
484 if (r >= R_SH_max
485 || (r >= R_SH_FIRST_INVALID_RELOC && r <= R_SH_LAST_INVALID_RELOC)
486 || (r >= R_SH_FIRST_INVALID_RELOC_2 && r <= R_SH_LAST_INVALID_RELOC_2)
487 || (r >= R_SH_FIRST_INVALID_RELOC_3 && r <= R_SH_LAST_INVALID_RELOC_3)
488 || (r >= R_SH_FIRST_INVALID_RELOC_4 && r <= R_SH_LAST_INVALID_RELOC_4)
489 || (r >= R_SH_FIRST_INVALID_RELOC_5 && r <= R_SH_LAST_INVALID_RELOC_5)
490 || (r >= R_SH_FIRST_INVALID_RELOC_6 && r <= R_SH_LAST_INVALID_RELOC_6))
491 {
492 (*_bfd_error_handler) (_("%A: unrecognised SH reloc number: %d"),
493 abfd, r);
494 bfd_set_error (bfd_error_bad_value);
495 r = R_SH_NONE;
496 }
252b5132 497
55e6e397 498 cache_ptr->howto = get_howto_table (abfd) + r;
252b5132
RH
499}
500\f
501/* This function handles relaxing for SH ELF. See the corresponding
502 function in coff-sh.c for a description of what this does. FIXME:
503 There is a lot of duplication here between this code and the COFF
504 specific code. The format of relocs and symbols is wound deeply
505 into this code, but it would still be better if the duplication
506 could be eliminated somehow. Note in particular that although both
507 functions use symbols like R_SH_CODE, those symbols have different
508 values; in coff-sh.c they come from include/coff/sh.h, whereas here
509 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
510
b34976b6 511static bfd_boolean
09fd220b
KK
512sh_elf_relax_section (bfd *abfd, asection *sec,
513 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
514{
515 Elf_Internal_Shdr *symtab_hdr;
516 Elf_Internal_Rela *internal_relocs;
b34976b6 517 bfd_boolean have_code;
252b5132
RH
518 Elf_Internal_Rela *irel, *irelend;
519 bfd_byte *contents = NULL;
6cdc0ccc 520 Elf_Internal_Sym *isymbuf = NULL;
252b5132 521
b34976b6 522 *again = FALSE;
252b5132 523
1049f94e 524 if (link_info->relocatable
252b5132
RH
525 || (sec->flags & SEC_RELOC) == 0
526 || sec->reloc_count == 0)
b34976b6 527 return TRUE;
252b5132 528
fbca6ad9
AO
529#ifdef INCLUDE_SHMEDIA
530 if (elf_section_data (sec)->this_hdr.sh_flags
531 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
532 {
b34976b6 533 return TRUE;
fbca6ad9
AO
534 }
535#endif
536
0ffa91dd 537 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 538
45d6a902 539 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 540 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
541 link_info->keep_memory));
542 if (internal_relocs == NULL)
543 goto error_return;
252b5132 544
b34976b6 545 have_code = FALSE;
252b5132
RH
546
547 irelend = internal_relocs + sec->reloc_count;
548 for (irel = internal_relocs; irel < irelend; irel++)
549 {
550 bfd_vma laddr, paddr, symval;
551 unsigned short insn;
552 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
553 bfd_signed_vma foff;
554
555 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 556 have_code = TRUE;
252b5132
RH
557
558 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
559 continue;
560
561 /* Get the section contents. */
562 if (contents == NULL)
563 {
564 if (elf_section_data (sec)->this_hdr.contents != NULL)
565 contents = elf_section_data (sec)->this_hdr.contents;
566 else
567 {
eea6121a 568 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
569 goto error_return;
570 }
571 }
572
573 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
574 the register load. The 4 is because the r_addend field is
575 computed as though it were a jump offset, which are based
576 from 4 bytes after the jump instruction. */
252b5132 577 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 578 if (laddr >= sec->size)
252b5132 579 {
d003868e
AM
580 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
581 abfd,
252b5132
RH
582 (unsigned long) irel->r_offset);
583 continue;
584 }
585 insn = bfd_get_16 (abfd, contents + laddr);
586
587 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 588 do. */
252b5132
RH
589 if ((insn & 0xf000) != 0xd000)
590 {
591 ((*_bfd_error_handler)
d003868e
AM
592 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
593 abfd, (unsigned long) 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
RH
607 {
608 ((*_bfd_error_handler)
d003868e
AM
609 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
610 abfd, (unsigned long) irel->r_offset));
252b5132
RH
611 continue;
612 }
613
614 /* Get the reloc for the address from which the register is
067653c5
AM
615 being loaded. This reloc will tell us which function is
616 actually being called. */
252b5132
RH
617 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
618 if (irelfn->r_offset == paddr
619 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
620 break;
621 if (irelfn >= irelend)
622 {
623 ((*_bfd_error_handler)
d003868e
AM
624 (_("%B: 0x%lx: warning: could not find expected reloc"),
625 abfd, (unsigned long) paddr));
252b5132
RH
626 continue;
627 }
628
629 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 630 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 631 {
6cdc0ccc
AM
632 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
633 if (isymbuf == NULL)
634 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
635 symtab_hdr->sh_info, 0,
636 NULL, NULL, NULL);
637 if (isymbuf == NULL)
638 goto error_return;
252b5132
RH
639 }
640
641 /* Get the value of the symbol referred to by the reloc. */
642 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
643 {
9ad5cbcf 644 /* A local symbol. */
6cdc0ccc 645 Elf_Internal_Sym *isym;
252b5132 646
6cdc0ccc
AM
647 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
648 if (isym->st_shndx
d426c6b0 649 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132
RH
650 {
651 ((*_bfd_error_handler)
d003868e
AM
652 (_("%B: 0x%lx: warning: symbol in unexpected section"),
653 abfd, (unsigned long) paddr));
252b5132
RH
654 continue;
655 }
656
6cdc0ccc 657 symval = (isym->st_value
252b5132
RH
658 + sec->output_section->vma
659 + sec->output_offset);
660 }
661 else
662 {
663 unsigned long indx;
664 struct elf_link_hash_entry *h;
665
666 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
667 h = elf_sym_hashes (abfd)[indx];
668 BFD_ASSERT (h != NULL);
669 if (h->root.type != bfd_link_hash_defined
670 && h->root.type != bfd_link_hash_defweak)
671 {
672 /* This appears to be a reference to an undefined
067653c5
AM
673 symbol. Just ignore it--it will be caught by the
674 regular reloc processing. */
252b5132
RH
675 continue;
676 }
677
678 symval = (h->root.u.def.value
679 + h->root.u.def.section->output_section->vma
680 + h->root.u.def.section->output_offset);
681 }
682
55e6e397
RS
683 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
684 symval += bfd_get_32 (abfd, contents + paddr);
685 else
686 symval += irelfn->r_addend;
252b5132
RH
687
688 /* See if this function call can be shortened. */
689 foff = (symval
690 - (irel->r_offset
691 + sec->output_section->vma
692 + sec->output_offset
693 + 4));
f725025b
DD
694 /* A branch to an address beyond ours might be increased by an
695 .align that doesn't move when bytes behind us are deleted.
696 So, we add some slop in this calculation to allow for
697 that. */
698 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
699 {
700 /* After all that work, we can't shorten this function call. */
701 continue;
702 }
703
704 /* Shorten the function call. */
705
706 /* For simplicity of coding, we are going to modify the section
707 contents, the section relocs, and the BFD symbol table. We
708 must tell the rest of the code not to free up this
709 information. It would be possible to instead create a table
710 of changes which have to be made, as is done in coff-mips.c;
711 that would be more work, but would require less memory when
712 the linker is run. */
713
714 elf_section_data (sec)->relocs = internal_relocs;
252b5132 715 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 716 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 717
8c784016 718 /* Replace the jmp/jsr with a bra/bsr. */
252b5132
RH
719
720 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
8c784016 721 replace the jmp/jsr with a bra/bsr. */
252b5132 722 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
723 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
724 here, but that only checks if the symbol is an external symbol,
725 not if the symbol is in a different section. Besides, we need
726 a consistent meaning for the relocation, so we just assume here that
727 the value of the symbol is not available. */
0e71e495
BE
728
729 /* We can't fully resolve this yet, because the external
730 symbol value may be changed by future relaxing. We let
731 the final link phase handle it. */
8c784016
KK
732 if (bfd_get_16 (abfd, contents + irel->r_offset) & 0x0020)
733 bfd_put_16 (abfd, (bfd_vma) 0xa000, contents + irel->r_offset);
734 else
735 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
0e71e495 736
bdfaef52 737 irel->r_addend = -4;
252b5132 738
f725025b
DD
739 /* When we calculated the symbol "value" we had an offset in the
740 DIR32's word in memory (we read and add it above). However,
741 the jsr we create does NOT have this offset encoded, so we
742 have to add it to the addend to preserve it. */
743 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
744
252b5132 745 /* See if there is another R_SH_USES reloc referring to the same
067653c5 746 register load. */
252b5132
RH
747 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
748 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
749 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
750 break;
751 if (irelscan < irelend)
752 {
753 /* Some other function call depends upon this register load,
754 and we have not yet converted that function call.
755 Indeed, we may never be able to convert it. There is
756 nothing else we can do at this point. */
757 continue;
758 }
759
760 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
761 function address is stored. Do this before deleting any
762 bytes, to avoid confusion about the address. */
252b5132
RH
763 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
764 if (irelcount->r_offset == paddr
765 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
766 break;
767
768 /* Delete the register load. */
769 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
770 goto error_return;
771
772 /* That will change things, so, just in case it permits some
067653c5
AM
773 other function call to come within range, we should relax
774 again. Note that this is not required, and it may be slow. */
b34976b6 775 *again = TRUE;
252b5132
RH
776
777 /* Now check whether we got a COUNT reloc. */
778 if (irelcount >= irelend)
779 {
780 ((*_bfd_error_handler)
d003868e
AM
781 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
782 abfd, (unsigned long) paddr));
252b5132
RH
783 continue;
784 }
785
786 /* The number of uses is stored in the r_addend field. We've
067653c5 787 just deleted one. */
252b5132
RH
788 if (irelcount->r_addend == 0)
789 {
d003868e
AM
790 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
791 abfd,
252b5132
RH
792 (unsigned long) paddr));
793 continue;
794 }
795
796 --irelcount->r_addend;
797
798 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
799 the address from irelfn, in case it was changed by the
800 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
801 if (irelcount->r_addend == 0)
802 {
803 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
804 goto error_return;
805 }
806
807 /* We've done all we can with that function call. */
808 }
809
810 /* Look for load and store instructions that we can align on four
811 byte boundaries. */
bdfaef52
JR
812 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
813 && have_code)
252b5132 814 {
b34976b6 815 bfd_boolean swapped;
252b5132
RH
816
817 /* Get the section contents. */
818 if (contents == NULL)
819 {
820 if (elf_section_data (sec)->this_hdr.contents != NULL)
821 contents = elf_section_data (sec)->this_hdr.contents;
822 else
823 {
eea6121a 824 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
825 goto error_return;
826 }
827 }
828
829 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
830 &swapped))
831 goto error_return;
832
833 if (swapped)
834 {
835 elf_section_data (sec)->relocs = internal_relocs;
252b5132 836 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 837 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
838 }
839 }
840
6cdc0ccc
AM
841 if (isymbuf != NULL
842 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
843 {
844 if (! link_info->keep_memory)
6cdc0ccc 845 free (isymbuf);
252b5132
RH
846 else
847 {
6cdc0ccc
AM
848 /* Cache the symbols for elf_link_input_bfd. */
849 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 850 }
9ad5cbcf
AM
851 }
852
6cdc0ccc
AM
853 if (contents != NULL
854 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
855 {
856 if (! link_info->keep_memory)
6cdc0ccc
AM
857 free (contents);
858 else
252b5132 859 {
6cdc0ccc
AM
860 /* Cache the section contents for elf_link_input_bfd. */
861 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 862 }
252b5132
RH
863 }
864
6cdc0ccc
AM
865 if (internal_relocs != NULL
866 && elf_section_data (sec)->relocs != internal_relocs)
867 free (internal_relocs);
868
b34976b6 869 return TRUE;
252b5132
RH
870
871 error_return:
6cdc0ccc
AM
872 if (isymbuf != NULL
873 && symtab_hdr->contents != (unsigned char *) isymbuf)
874 free (isymbuf);
875 if (contents != NULL
876 && elf_section_data (sec)->this_hdr.contents != contents)
877 free (contents);
878 if (internal_relocs != NULL
879 && elf_section_data (sec)->relocs != internal_relocs)
880 free (internal_relocs);
9ad5cbcf 881
b34976b6 882 return FALSE;
252b5132
RH
883}
884
885/* Delete some bytes from a section while relaxing. FIXME: There is a
886 lot of duplication between this function and sh_relax_delete_bytes
887 in coff-sh.c. */
888
b34976b6 889static bfd_boolean
09fd220b
KK
890sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
891 int count)
252b5132
RH
892{
893 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 894 unsigned int sec_shndx;
252b5132
RH
895 bfd_byte *contents;
896 Elf_Internal_Rela *irel, *irelend;
897 Elf_Internal_Rela *irelalign;
898 bfd_vma toaddr;
6cdc0ccc 899 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
900 struct elf_link_hash_entry **sym_hashes;
901 struct elf_link_hash_entry **end_hashes;
902 unsigned int symcount;
252b5132
RH
903 asection *o;
904
0ffa91dd 905 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 906 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
907
908 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
909
910 contents = elf_section_data (sec)->this_hdr.contents;
911
912 /* The deletion must stop at the next ALIGN reloc for an aligment
913 power larger than the number of bytes we are deleting. */
914
915 irelalign = NULL;
eea6121a 916 toaddr = sec->size;
252b5132
RH
917
918 irel = elf_section_data (sec)->relocs;
919 irelend = irel + sec->reloc_count;
920 for (; irel < irelend; irel++)
921 {
922 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
923 && irel->r_offset > addr
924 && count < (1 << irel->r_addend))
925 {
926 irelalign = irel;
927 toaddr = irel->r_offset;
928 break;
929 }
930 }
931
932 /* Actually delete the bytes. */
dc810e39
AM
933 memmove (contents + addr, contents + addr + count,
934 (size_t) (toaddr - addr - count));
252b5132 935 if (irelalign == NULL)
eea6121a 936 sec->size -= count;
252b5132
RH
937 else
938 {
939 int i;
940
941#define NOP_OPCODE (0x0009)
942
943 BFD_ASSERT ((count & 1) == 0);
944 for (i = 0; i < count; i += 2)
dc810e39 945 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
946 }
947
948 /* Adjust all the relocs. */
949 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
950 {
951 bfd_vma nraddr, stop;
952 bfd_vma start = 0;
953 int insn = 0;
252b5132
RH
954 int off, adjust, oinsn;
955 bfd_signed_vma voff = 0;
b34976b6 956 bfd_boolean overflow;
252b5132
RH
957
958 /* Get the new reloc address. */
959 nraddr = irel->r_offset;
960 if ((irel->r_offset > addr
961 && irel->r_offset < toaddr)
962 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
963 && irel->r_offset == toaddr))
964 nraddr -= count;
965
966 /* See if this reloc was for the bytes we have deleted, in which
967 case we no longer care about it. Don't delete relocs which
968 represent addresses, though. */
969 if (irel->r_offset >= addr
970 && irel->r_offset < addr + count
971 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
972 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
973 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
974 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
975 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
976 (int) R_SH_NONE);
977
978 /* If this is a PC relative reloc, see if the range it covers
067653c5 979 includes the bytes we have deleted. */
252b5132
RH
980 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
981 {
982 default:
983 break;
984
985 case R_SH_DIR8WPN:
986 case R_SH_IND12W:
987 case R_SH_DIR8WPZ:
988 case R_SH_DIR8WPL:
989 start = irel->r_offset;
990 insn = bfd_get_16 (abfd, contents + nraddr);
991 break;
992 }
993
994 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
995 {
996 default:
997 start = stop = addr;
998 break;
999
1000 case R_SH_DIR32:
1001 /* If this reloc is against a symbol defined in this
067653c5
AM
1002 section, and the symbol will not be adjusted below, we
1003 must check the addend to see it will put the value in
1004 range to be adjusted, and hence must be changed. */
252b5132
RH
1005 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
1006 {
6cdc0ccc
AM
1007 isym = isymbuf + ELF32_R_SYM (irel->r_info);
1008 if (isym->st_shndx == sec_shndx
1009 && (isym->st_value <= addr
1010 || isym->st_value >= toaddr))
252b5132
RH
1011 {
1012 bfd_vma val;
1013
55e6e397
RS
1014 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
1015 {
1016 val = bfd_get_32 (abfd, contents + nraddr);
1017 val += isym->st_value;
1018 if (val > addr && val < toaddr)
1019 bfd_put_32 (abfd, val - count, contents + nraddr);
1020 }
1021 else
1022 {
1023 val = isym->st_value + irel->r_addend;
1024 if (val > addr && val < toaddr)
1025 irel->r_addend -= count;
1026 }
252b5132
RH
1027 }
1028 }
1029 start = stop = addr;
1030 break;
1031
1032 case R_SH_DIR8WPN:
1033 off = insn & 0xff;
1034 if (off & 0x80)
1035 off -= 0x100;
1036 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1037 break;
1038
1039 case R_SH_IND12W:
bdfaef52
JR
1040 off = insn & 0xfff;
1041 if (! off)
1042 {
1043 /* This has been made by previous relaxation. Since the
1044 relocation will be against an external symbol, the
1045 final relocation will just do the right thing. */
1046 start = stop = addr;
1047 }
252b5132
RH
1048 else
1049 {
252b5132
RH
1050 if (off & 0x800)
1051 off -= 0x1000;
1052 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
1053
1054 /* The addend will be against the section symbol, thus
1055 for adjusting the addend, the relevant start is the
1056 start of the section.
4cc11e76 1057 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1058 test directly using symbol + addend, we have to take into
1059 account that the addend has already been adjusted by -4. */
1060 if (stop > addr && stop < toaddr)
1061 irel->r_addend -= count;
252b5132
RH
1062 }
1063 break;
1064
1065 case R_SH_DIR8WPZ:
1066 off = insn & 0xff;
1067 stop = start + 4 + off * 2;
1068 break;
1069
1070 case R_SH_DIR8WPL:
1071 off = insn & 0xff;
435b1e90 1072 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1073 break;
1074
1075 case R_SH_SWITCH8:
1076 case R_SH_SWITCH16:
1077 case R_SH_SWITCH32:
1078 /* These relocs types represent
1079 .word L2-L1
06e1ba78 1080 The r_addend field holds the difference between the reloc
252b5132
RH
1081 address and L1. That is the start of the reloc, and
1082 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1083 both the r_offset field and the section contents.
1084 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1085 and the elf bfd r_offset is called r_vaddr. */
252b5132 1086
06e1ba78
JR
1087 stop = irel->r_offset;
1088 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1089
1090 if (start > addr
1091 && start < toaddr
1092 && (stop <= addr || stop >= toaddr))
1093 irel->r_addend += count;
1094 else if (stop > addr
1095 && stop < toaddr
1096 && (start <= addr || start >= toaddr))
1097 irel->r_addend -= count;
1098
252b5132
RH
1099 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1100 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1101 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1102 voff = bfd_get_8 (abfd, contents + nraddr);
1103 else
1104 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1105 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1106
1107 break;
1108
1109 case R_SH_USES:
1110 start = irel->r_offset;
1111 stop = (bfd_vma) ((bfd_signed_vma) start
1112 + (long) irel->r_addend
1113 + 4);
1114 break;
1115 }
1116
1117 if (start > addr
1118 && start < toaddr
1119 && (stop <= addr || stop >= toaddr))
1120 adjust = count;
1121 else if (stop > addr
1122 && stop < toaddr
1123 && (start <= addr || start >= toaddr))
1124 adjust = - count;
1125 else
1126 adjust = 0;
1127
1128 if (adjust != 0)
1129 {
1130 oinsn = insn;
b34976b6 1131 overflow = FALSE;
252b5132
RH
1132 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1133 {
1134 default:
1135 abort ();
1136 break;
1137
1138 case R_SH_DIR8WPN:
1139 case R_SH_DIR8WPZ:
1140 insn += adjust / 2;
1141 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1142 overflow = TRUE;
dc810e39 1143 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1144 break;
1145
1146 case R_SH_IND12W:
1147 insn += adjust / 2;
1148 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1149 overflow = TRUE;
dc810e39 1150 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1151 break;
1152
1153 case R_SH_DIR8WPL:
1154 BFD_ASSERT (adjust == count || count >= 4);
1155 if (count >= 4)
1156 insn += adjust / 4;
1157 else
1158 {
1159 if ((irel->r_offset & 3) == 0)
1160 ++insn;
1161 }
1162 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1163 overflow = TRUE;
dc810e39 1164 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1165 break;
1166
851cde10
JR
1167 case R_SH_SWITCH8:
1168 voff += adjust;
1169 if (voff < 0 || voff >= 0xff)
b34976b6 1170 overflow = TRUE;
851cde10
JR
1171 bfd_put_8 (abfd, voff, contents + nraddr);
1172 break;
1173
252b5132
RH
1174 case R_SH_SWITCH16:
1175 voff += adjust;
1176 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1177 overflow = TRUE;
dc810e39 1178 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1179 break;
1180
1181 case R_SH_SWITCH32:
1182 voff += adjust;
dc810e39 1183 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1184 break;
1185
1186 case R_SH_USES:
1187 irel->r_addend += adjust;
1188 break;
1189 }
1190
1191 if (overflow)
1192 {
1193 ((*_bfd_error_handler)
d003868e
AM
1194 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1195 abfd, (unsigned long) irel->r_offset));
252b5132 1196 bfd_set_error (bfd_error_bad_value);
b34976b6 1197 return FALSE;
252b5132
RH
1198 }
1199 }
1200
1201 irel->r_offset = nraddr;
1202 }
1203
1204 /* Look through all the other sections. If there contain any IMM32
1205 relocs against internal symbols which we are not going to adjust
1206 below, we may need to adjust the addends. */
1207 for (o = abfd->sections; o != NULL; o = o->next)
1208 {
1209 Elf_Internal_Rela *internal_relocs;
1210 Elf_Internal_Rela *irelscan, *irelscanend;
1211 bfd_byte *ocontents;
1212
1213 if (o == sec
1214 || (o->flags & SEC_RELOC) == 0
1215 || o->reloc_count == 0)
1216 continue;
1217
1218 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1219 FALSE, we should free them, if we are permitted to, when we
067653c5 1220 leave sh_coff_relax_section. */
45d6a902 1221 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1222 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1223 if (internal_relocs == NULL)
b34976b6 1224 return FALSE;
252b5132
RH
1225
1226 ocontents = NULL;
1227 irelscanend = internal_relocs + o->reloc_count;
1228 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1229 {
084aa3aa
JR
1230 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1231 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1232 {
1233 bfd_vma start, stop;
1234 bfd_signed_vma voff;
1235
1236 if (ocontents == NULL)
1237 {
1238 if (elf_section_data (o)->this_hdr.contents != NULL)
1239 ocontents = elf_section_data (o)->this_hdr.contents;
1240 else
1241 {
1242 /* We always cache the section contents.
b34976b6 1243 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1244 should free them, if we are permitted to,
1245 when we leave sh_coff_relax_section. */
eea6121a
AM
1246 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1247 {
1248 if (ocontents != NULL)
1249 free (ocontents);
1250 return FALSE;
1251 }
1252
084aa3aa
JR
1253 elf_section_data (o)->this_hdr.contents = ocontents;
1254 }
1255 }
1256
1257 stop = irelscan->r_offset;
1258 start
1259 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1260
1261 /* STOP is in a different section, so it won't change. */
1262 if (start > addr && start < toaddr)
1263 irelscan->r_addend += count;
1264
1265 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1266 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1267
1268 if (start > addr
1269 && start < toaddr
1270 && (stop <= addr || stop >= toaddr))
dc810e39 1271 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1272 ocontents + irelscan->r_offset);
1273 else if (stop > addr
1274 && stop < toaddr
1275 && (start <= addr || start >= toaddr))
dc810e39 1276 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1277 ocontents + irelscan->r_offset);
1278 }
1279
252b5132
RH
1280 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1281 continue;
1282
1283 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1284 continue;
1285
252b5132 1286
6cdc0ccc
AM
1287 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1288 if (isym->st_shndx == sec_shndx
1289 && (isym->st_value <= addr
1290 || isym->st_value >= toaddr))
252b5132
RH
1291 {
1292 bfd_vma val;
1293
1294 if (ocontents == NULL)
1295 {
1296 if (elf_section_data (o)->this_hdr.contents != NULL)
1297 ocontents = elf_section_data (o)->this_hdr.contents;
1298 else
1299 {
1300 /* We always cache the section contents.
b34976b6 1301 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1302 should free them, if we are permitted to,
1303 when we leave sh_coff_relax_section. */
eea6121a
AM
1304 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1305 {
1306 if (ocontents != NULL)
1307 free (ocontents);
1308 return FALSE;
1309 }
1310
252b5132
RH
1311 elf_section_data (o)->this_hdr.contents = ocontents;
1312 }
1313 }
1314
1315 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1316 val += isym->st_value;
252b5132
RH
1317 if (val > addr && val < toaddr)
1318 bfd_put_32 (abfd, val - count,
1319 ocontents + irelscan->r_offset);
1320 }
1321 }
1322 }
1323
1324 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1325 isymend = isymbuf + symtab_hdr->sh_info;
1326 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1327 {
6cdc0ccc
AM
1328 if (isym->st_shndx == sec_shndx
1329 && isym->st_value > addr
1330 && isym->st_value < toaddr)
1331 isym->st_value -= count;
252b5132
RH
1332 }
1333
1334 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1335 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1336 - symtab_hdr->sh_info);
1337 sym_hashes = elf_sym_hashes (abfd);
1338 end_hashes = sym_hashes + symcount;
1339 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1340 {
9ad5cbcf
AM
1341 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1342 if ((sym_hash->root.type == bfd_link_hash_defined
1343 || sym_hash->root.type == bfd_link_hash_defweak)
1344 && sym_hash->root.u.def.section == sec
1345 && sym_hash->root.u.def.value > addr
1346 && sym_hash->root.u.def.value < toaddr)
252b5132 1347 {
9ad5cbcf 1348 sym_hash->root.u.def.value -= count;
252b5132
RH
1349 }
1350 }
1351
1352 /* See if we can move the ALIGN reloc forward. We have adjusted
1353 r_offset for it already. */
1354 if (irelalign != NULL)
1355 {
1356 bfd_vma alignto, alignaddr;
1357
1358 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1359 alignaddr = BFD_ALIGN (irelalign->r_offset,
1360 1 << irelalign->r_addend);
1361 if (alignto != alignaddr)
1362 {
1363 /* Tail recursion. */
1364 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1365 (int) (alignto - alignaddr));
252b5132
RH
1366 }
1367 }
1368
b34976b6 1369 return TRUE;
252b5132
RH
1370}
1371
1372/* Look for loads and stores which we can align to four byte
1373 boundaries. This is like sh_align_loads in coff-sh.c. */
1374
b34976b6 1375static bfd_boolean
09fd220b
KK
1376sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1377 Elf_Internal_Rela *internal_relocs,
1378 bfd_byte *contents ATTRIBUTE_UNUSED,
1379 bfd_boolean *pswapped)
252b5132
RH
1380{
1381 Elf_Internal_Rela *irel, *irelend;
1382 bfd_vma *labels = NULL;
1383 bfd_vma *label, *label_end;
dc810e39 1384 bfd_size_type amt;
252b5132 1385
b34976b6 1386 *pswapped = FALSE;
252b5132
RH
1387
1388 irelend = internal_relocs + sec->reloc_count;
1389
1390 /* Get all the addresses with labels on them. */
dc810e39
AM
1391 amt = sec->reloc_count;
1392 amt *= sizeof (bfd_vma);
1393 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1394 if (labels == NULL)
1395 goto error_return;
1396 label_end = labels;
1397 for (irel = internal_relocs; irel < irelend; irel++)
1398 {
1399 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1400 {
1401 *label_end = irel->r_offset;
1402 ++label_end;
1403 }
1404 }
1405
1406 /* Note that the assembler currently always outputs relocs in
1407 address order. If that ever changes, this code will need to sort
1408 the label values and the relocs. */
1409
1410 label = labels;
1411
1412 for (irel = internal_relocs; irel < irelend; irel++)
1413 {
1414 bfd_vma start, stop;
1415
1416 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1417 continue;
1418
1419 start = irel->r_offset;
1420
1421 for (irel++; irel < irelend; irel++)
1422 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1423 break;
1424 if (irel < irelend)
1425 stop = irel->r_offset;
1426 else
eea6121a 1427 stop = sec->size;
252b5132
RH
1428
1429 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1430 internal_relocs, &label,
252b5132
RH
1431 label_end, start, stop, pswapped))
1432 goto error_return;
1433 }
1434
1435 free (labels);
1436
b34976b6 1437 return TRUE;
252b5132
RH
1438
1439 error_return:
1440 if (labels != NULL)
1441 free (labels);
b34976b6 1442 return FALSE;
252b5132
RH
1443}
1444
85fbca6a 1445#ifndef SH64_ELF
252b5132
RH
1446/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1447
b34976b6 1448static bfd_boolean
09fd220b
KK
1449sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1450 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1451{
1452 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1453 unsigned short i1, i2;
1454 Elf_Internal_Rela *irel, *irelend;
1455
1456 /* Swap the instructions themselves. */
1457 i1 = bfd_get_16 (abfd, contents + addr);
1458 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1459 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1460 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1461
1462 /* Adjust all reloc addresses. */
1463 irelend = internal_relocs + sec->reloc_count;
1464 for (irel = internal_relocs; irel < irelend; irel++)
1465 {
1466 enum elf_sh_reloc_type type;
1467 int add;
1468
1469 /* There are a few special types of relocs that we don't want to
067653c5
AM
1470 adjust. These relocs do not apply to the instruction itself,
1471 but are only associated with the address. */
252b5132
RH
1472 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1473 if (type == R_SH_ALIGN
1474 || type == R_SH_CODE
1475 || type == R_SH_DATA
1476 || type == R_SH_LABEL)
1477 continue;
1478
1479 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1480 swapped, we must adjust it. It would be incorrect to do this
1481 for a jump, though, since we want to execute both
1482 instructions after the jump. (We have avoided swapping
1483 around a label, so the jump will not wind up executing an
1484 instruction it shouldn't). */
252b5132
RH
1485 if (type == R_SH_USES)
1486 {
1487 bfd_vma off;
1488
1489 off = irel->r_offset + 4 + irel->r_addend;
1490 if (off == addr)
1491 irel->r_offset += 2;
1492 else if (off == addr + 2)
1493 irel->r_offset -= 2;
1494 }
1495
1496 if (irel->r_offset == addr)
1497 {
1498 irel->r_offset += 2;
1499 add = -2;
1500 }
1501 else if (irel->r_offset == addr + 2)
1502 {
1503 irel->r_offset -= 2;
1504 add = 2;
1505 }
1506 else
1507 add = 0;
1508
1509 if (add != 0)
1510 {
1511 bfd_byte *loc;
1512 unsigned short insn, oinsn;
b34976b6 1513 bfd_boolean overflow;
252b5132
RH
1514
1515 loc = contents + irel->r_offset;
b34976b6 1516 overflow = FALSE;
252b5132
RH
1517 switch (type)
1518 {
1519 default:
1520 break;
1521
1522 case R_SH_DIR8WPN:
1523 case R_SH_DIR8WPZ:
1524 insn = bfd_get_16 (abfd, loc);
1525 oinsn = insn;
1526 insn += add / 2;
1527 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1528 overflow = TRUE;
dc810e39 1529 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1530 break;
1531
1532 case R_SH_IND12W:
1533 insn = bfd_get_16 (abfd, loc);
1534 oinsn = insn;
1535 insn += add / 2;
1536 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1537 overflow = TRUE;
dc810e39 1538 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1539 break;
1540
1541 case R_SH_DIR8WPL:
1542 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1543 the program counter before adding in the offset.
1544 This means that if ADDR is at an even address, the
1545 swap will not affect the offset. If ADDR is an at an
1546 odd address, then the instruction will be crossing a
1547 four byte boundary, and must be adjusted. */
252b5132
RH
1548 if ((addr & 3) != 0)
1549 {
1550 insn = bfd_get_16 (abfd, loc);
1551 oinsn = insn;
1552 insn += add / 2;
1553 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1554 overflow = TRUE;
dc810e39 1555 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1556 }
1557
1558 break;
1559 }
1560
1561 if (overflow)
1562 {
1563 ((*_bfd_error_handler)
d003868e
AM
1564 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1565 abfd, (unsigned long) irel->r_offset));
252b5132 1566 bfd_set_error (bfd_error_bad_value);
b34976b6 1567 return FALSE;
252b5132
RH
1568 }
1569 }
1570 }
1571
b34976b6 1572 return TRUE;
252b5132 1573}
85fbca6a 1574#endif /* defined SH64_ELF */
252b5132 1575\f
55e6e397
RS
1576/* Describes one of the various PLT styles. */
1577
1578struct elf_sh_plt_info
1579{
1580 /* The template for the first PLT entry, or NULL if there is no special
1581 first entry. */
1582 const bfd_byte *plt0_entry;
1583
1584 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1585 bfd_vma plt0_entry_size;
1586
1587 /* Index I is the offset into PLT0_ENTRY of a pointer to
1588 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1589 if there is no such pointer. */
1590 bfd_vma plt0_got_fields[3];
1591
1592 /* The template for a symbol's PLT entry. */
1593 const bfd_byte *symbol_entry;
1594
1595 /* The size of SYMBOL_ENTRY in bytes. */
1596 bfd_vma symbol_entry_size;
1597
1598 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1599 on all targets. The comments by each member indicate the value
1600 that the field must hold. */
1601 struct {
1602 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1603 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1604 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
8e45593f
NC
1605 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1606 instruction (instead of a constant pool
1607 entry). */
55e6e397
RS
1608 } symbol_fields;
1609
1610 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1611 bfd_vma symbol_resolve_offset;
8e45593f
NC
1612
1613 /* A different PLT layout which can be used for the first
1614 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1615 other cases. */
1616 const struct elf_sh_plt_info *short_plt;
55e6e397
RS
1617};
1618
fbca6ad9
AO
1619#ifdef INCLUDE_SHMEDIA
1620
1621/* The size in bytes of an entry in the procedure linkage table. */
1622
55e6e397 1623#define ELF_PLT_ENTRY_SIZE 64
fbca6ad9
AO
1624
1625/* First entry in an absolute procedure linkage table look like this. */
1626
55e6e397 1627static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1628{
1629 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1630 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1631 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
c8614e8e 1632 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
fbca6ad9
AO
1633 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1634 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1635 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1636 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1637 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1638 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1639 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1640 0x6f, 0xf0, 0xff, 0xf0, /* nop */
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};
1646
55e6e397 1647static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1648{
1649 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1650 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1651 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
c8614e8e 1652 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
fbca6ad9
AO
1653 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1654 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1655 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1656 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1657 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1658 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1659 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1660 0xf0, 0xff, 0xf0, 0x6f, /* nop */
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};
1666
1667/* Sebsequent entries in an absolute procedure linkage table look like
1668 this. */
1669
55e6e397 1670static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1671{
1672 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1673 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1674 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1675 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1676 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1677 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1678 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1679 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1680 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1681 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1682 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1683 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1684 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1685 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1686 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1687 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1688};
1689
55e6e397 1690static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1691{
1692 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1693 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1694 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1695 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1696 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1697 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1698 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1699 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1700 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1701 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1702 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1703 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1704 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1705 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1706 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1707 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1708};
1709
1710/* Entries in a PIC procedure linkage table look like this. */
1711
55e6e397 1712static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1713{
1714 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1715 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1716 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1717 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1718 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1719 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1720 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1721 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1722 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1723 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
fbca6ad9
AO
1724 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1725 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1726 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1727 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1728 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1729 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1730};
1731
55e6e397 1732static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1733{
1734 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1735 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1736 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1737 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1738 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1739 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1740 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1741 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1742 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1743 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
fbca6ad9
AO
1744 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1745 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1746 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1747 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1748 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1749 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1750};
1751
55e6e397
RS
1752static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1753 {
1754 {
1755 /* Big-endian non-PIC. */
1756 elf_sh_plt0_entry_be,
1757 ELF_PLT_ENTRY_SIZE,
1758 { 0, MINUS_ONE, MINUS_ONE },
1759 elf_sh_plt_entry_be,
1760 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1761 { 0, 32, 48, FALSE },
1762 33, /* includes ISA encoding */
1763 NULL
55e6e397
RS
1764 },
1765 {
1766 /* Little-endian non-PIC. */
1767 elf_sh_plt0_entry_le,
1768 ELF_PLT_ENTRY_SIZE,
1769 { 0, MINUS_ONE, MINUS_ONE },
1770 elf_sh_plt_entry_le,
1771 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1772 { 0, 32, 48, FALSE },
1773 33, /* includes ISA encoding */
1774 NULL
55e6e397
RS
1775 },
1776 },
1777 {
1778 {
1779 /* Big-endian PIC. */
1780 elf_sh_plt0_entry_be,
1781 ELF_PLT_ENTRY_SIZE,
1782 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1783 elf_sh_pic_plt_entry_be,
1784 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1785 { 0, MINUS_ONE, 52, FALSE },
1786 33, /* includes ISA encoding */
1787 NULL
55e6e397
RS
1788 },
1789 {
1790 /* Little-endian PIC. */
1791 elf_sh_plt0_entry_le,
1792 ELF_PLT_ENTRY_SIZE,
1793 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1794 elf_sh_pic_plt_entry_le,
1795 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1796 { 0, MINUS_ONE, 52, FALSE },
1797 33, /* includes ISA encoding */
1798 NULL
55e6e397
RS
1799 },
1800 }
1801};
fbca6ad9
AO
1802
1803/* Return offset of the linker in PLT0 entry. */
1804#define elf_sh_plt0_gotplt_offset(info) 0
1805
55e6e397
RS
1806/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1807 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1808 not data.
fbca6ad9 1809
55e6e397 1810 On SH64, each 32-bit field is loaded by a movi/shori pair. */
fbca6ad9
AO
1811
1812inline static void
55e6e397
RS
1813install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1814 unsigned long value, bfd_byte *addr)
fbca6ad9 1815{
55e6e397 1816 value |= code_p;
fbca6ad9
AO
1817 bfd_put_32 (output_bfd,
1818 bfd_get_32 (output_bfd, addr)
1819 | ((value >> 6) & 0x3fffc00),
1820 addr);
1821 bfd_put_32 (output_bfd,
1822 bfd_get_32 (output_bfd, addr + 4)
1823 | ((value << 10) & 0x3fffc00),
1824 addr + 4);
1825}
1826
55e6e397
RS
1827/* Return the type of PLT associated with ABFD. PIC_P is true if
1828 the object is position-independent. */
1829
1830static const struct elf_sh_plt_info *
1831get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1832{
1833 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1834}
fbca6ad9 1835#else
37c644f2 1836/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1837
55e6e397 1838#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1839
1840/* First entry in an absolute procedure linkage table look like this. */
1841
6c426cf3 1842/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1843 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1844 corrupted here. This does mean however, that this PLT does not conform
1845 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1846 and r2 contains the GOT id. This version stores the GOT id in r0 and
1847 ignores the type. Loaders can easily detect this difference however,
1848 since the type will always be 0 or 8, and the GOT ids will always be
1849 greater than or equal to 12. */
55e6e397 1850static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1851{
1852 0xd0, 0x05, /* mov.l 2f,r0 */
1853 0x60, 0x02, /* mov.l @r0,r0 */
1854 0x2f, 0x06, /* mov.l r0,@-r15 */
1855 0xd0, 0x03, /* mov.l 1f,r0 */
1856 0x60, 0x02, /* mov.l @r0,r0 */
1857 0x40, 0x2b, /* jmp @r0 */
1858 0x60, 0xf6, /* mov.l @r15+,r0 */
1859 0x00, 0x09, /* nop */
1860 0x00, 0x09, /* nop */
1861 0x00, 0x09, /* nop */
1862 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1863 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1864};
1865
55e6e397 1866static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1867{
1868 0x05, 0xd0, /* mov.l 2f,r0 */
1869 0x02, 0x60, /* mov.l @r0,r0 */
1870 0x06, 0x2f, /* mov.l r0,@-r15 */
1871 0x03, 0xd0, /* mov.l 1f,r0 */
1872 0x02, 0x60, /* mov.l @r0,r0 */
1873 0x2b, 0x40, /* jmp @r0 */
1874 0xf6, 0x60, /* mov.l @r15+,r0 */
1875 0x09, 0x00, /* nop */
1876 0x09, 0x00, /* nop */
1877 0x09, 0x00, /* nop */
1878 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1879 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1880};
1881
1882/* Sebsequent entries in an absolute procedure linkage table look like
1883 this. */
1884
55e6e397 1885static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1886{
1887 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1888 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1889 0xd1, 0x02, /* mov.l 0f,r1 */
1890 0x40, 0x2b, /* jmp @r0 */
1891 0x60, 0x13, /* mov r1,r0 */
1892 0xd1, 0x03, /* mov.l 2f,r1 */
1893 0x40, 0x2b, /* jmp @r0 */
1894 0x00, 0x09, /* nop */
1895 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1896 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1897 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1898};
1899
55e6e397 1900static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1901{
1902 0x04, 0xd0, /* mov.l 1f,r0 */
1903 0x02, 0x60, /* mov.l @r0,r0 */
1904 0x02, 0xd1, /* mov.l 0f,r1 */
1905 0x2b, 0x40, /* jmp @r0 */
1906 0x13, 0x60, /* mov r1,r0 */
1907 0x03, 0xd1, /* mov.l 2f,r1 */
1908 0x2b, 0x40, /* jmp @r0 */
1909 0x09, 0x00, /* nop */
1910 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1911 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1912 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1913};
1914
1915/* Entries in a PIC procedure linkage table look like this. */
1916
55e6e397 1917static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1918{
1919 0xd0, 0x04, /* mov.l 1f,r0 */
1920 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1921 0x40, 0x2b, /* jmp @r0 */
1922 0x00, 0x09, /* nop */
1923 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1924 0xd1, 0x03, /* mov.l 2f,r1 */
1925 0x40, 0x2b, /* jmp @r0 */
1926 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1927 0x00, 0x09, /* nop */
1928 0x00, 0x09, /* nop */
1929 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1930 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1931};
1932
55e6e397 1933static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1934{
1935 0x04, 0xd0, /* mov.l 1f,r0 */
1936 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1937 0x2b, 0x40, /* jmp @r0 */
1938 0x09, 0x00, /* nop */
1939 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1940 0x03, 0xd1, /* mov.l 2f,r1 */
1941 0x2b, 0x40, /* jmp @r0 */
1942 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1943 0x09, 0x00, /* nop */
1944 0x09, 0x00, /* nop */
1945 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1946 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1947};
1948
55e6e397
RS
1949static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1950 {
1951 {
1952 /* Big-endian non-PIC. */
1953 elf_sh_plt0_entry_be,
1954 ELF_PLT_ENTRY_SIZE,
1955 { MINUS_ONE, 24, 20 },
1956 elf_sh_plt_entry_be,
1957 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1958 { 20, 16, 24, FALSE },
1959 8,
1960 NULL
55e6e397
RS
1961 },
1962 {
1963 /* Little-endian non-PIC. */
1964 elf_sh_plt0_entry_le,
1965 ELF_PLT_ENTRY_SIZE,
1966 { MINUS_ONE, 24, 20 },
1967 elf_sh_plt_entry_le,
1968 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1969 { 20, 16, 24, FALSE },
1970 8,
1971 NULL
55e6e397
RS
1972 },
1973 },
1974 {
1975 {
1976 /* Big-endian PIC. */
1977 elf_sh_plt0_entry_be,
1978 ELF_PLT_ENTRY_SIZE,
1979 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1980 elf_sh_pic_plt_entry_be,
1981 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1982 { 20, MINUS_ONE, 24, FALSE },
1983 8,
1984 NULL
55e6e397
RS
1985 },
1986 {
1987 /* Little-endian PIC. */
1988 elf_sh_plt0_entry_le,
1989 ELF_PLT_ENTRY_SIZE,
1990 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1991 elf_sh_pic_plt_entry_le,
1992 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1993 { 20, MINUS_ONE, 24, FALSE },
1994 8,
1995 NULL
55e6e397
RS
1996 },
1997 }
1998};
252b5132 1999
55e6e397
RS
2000#define VXWORKS_PLT_HEADER_SIZE 12
2001#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 2002
55e6e397
RS
2003static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
2004{
2005 0xd1, 0x01, /* mov.l @(8,pc),r1 */
2006 0x61, 0x12, /* mov.l @r1,r1 */
2007 0x41, 0x2b, /* jmp @r1 */
2008 0x00, 0x09, /* nop */
2009 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2010};
252b5132 2011
55e6e397
RS
2012static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
2013{
2014 0x01, 0xd1, /* mov.l @(8,pc),r1 */
2015 0x12, 0x61, /* mov.l @r1,r1 */
2016 0x2b, 0x41, /* jmp @r1 */
2017 0x09, 0x00, /* nop */
2018 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2019};
2020
2021static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2022{
2023 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2024 0x60, 0x02, /* mov.l @r0,r0 */
2025 0x40, 0x2b, /* jmp @r0 */
2026 0x00, 0x09, /* nop */
2027 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2028 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2029 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
2030 0x00, 0x09, /* nop */
2031 0x00, 0x09, /* nop */
2032 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2033};
2034
2035static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2036{
2037 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2038 0x02, 0x60, /* mov.l @r0,r0 */
2039 0x2b, 0x40, /* jmp @r0 */
2040 0x09, 0x00, /* nop */
2041 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2042 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2043 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
2044 0x09, 0x00, /* nop */
2045 0x09, 0x00, /* nop */
2046 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2047};
2048
2049static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2050{
2051 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2052 0x00, 0xce, /* mov.l @(r0,r12),r0 */
2053 0x40, 0x2b, /* jmp @r0 */
2054 0x00, 0x09, /* nop */
2055 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2056 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2057 0x51, 0xc2, /* mov.l @(8,r12),r1 */
2058 0x41, 0x2b, /* jmp @r1 */
2059 0x00, 0x09, /* nop */
2060 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2061};
2062
2063static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2064{
2065 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2066 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2067 0x2b, 0x40, /* jmp @r0 */
2068 0x09, 0x00, /* nop */
2069 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2070 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2071 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2072 0x2b, 0x41, /* jmp @r1 */
2073 0x09, 0x00, /* nop */
2074 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2075};
2076
2077static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2078 {
2079 {
2080 /* Big-endian non-PIC. */
2081 vxworks_sh_plt0_entry_be,
2082 VXWORKS_PLT_HEADER_SIZE,
2083 { MINUS_ONE, MINUS_ONE, 8 },
2084 vxworks_sh_plt_entry_be,
2085 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2086 { 8, 14, 20, FALSE },
2087 12,
2088 NULL
55e6e397
RS
2089 },
2090 {
2091 /* Little-endian non-PIC. */
2092 vxworks_sh_plt0_entry_le,
2093 VXWORKS_PLT_HEADER_SIZE,
2094 { MINUS_ONE, MINUS_ONE, 8 },
2095 vxworks_sh_plt_entry_le,
2096 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2097 { 8, 14, 20, FALSE },
2098 12,
2099 NULL
55e6e397
RS
2100 },
2101 },
2102 {
2103 {
2104 /* Big-endian PIC. */
2105 NULL,
2106 0,
2107 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2108 vxworks_sh_pic_plt_entry_be,
2109 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2110 { 8, MINUS_ONE, 20, FALSE },
2111 12,
2112 NULL
55e6e397
RS
2113 },
2114 {
2115 /* Little-endian PIC. */
2116 NULL,
2117 0,
2118 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2119 vxworks_sh_pic_plt_entry_le,
2120 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2121 { 8, MINUS_ONE, 20, FALSE },
2122 12,
2123 NULL
55e6e397
RS
2124 },
2125 }
2126};
9bdafcce 2127
8e45593f
NC
2128/* FDPIC PLT entries. Two unimplemented optimizations for lazy
2129 binding are to omit the lazy binding stub when linking with -z now
2130 and to move lazy binding stubs into a separate region for better
2131 cache behavior. */
2132
2133#define FDPIC_PLT_ENTRY_SIZE 28
2134#define FDPIC_PLT_LAZY_OFFSET 20
2135
2136/* FIXME: The lazy binding stub requires a plt0 - which may need to be
2137 duplicated if it is out of range, or which can be inlined. So
2138 right now it is always inlined, which wastes a word per stub. It
2139 might be easier to handle the duplication if we put the lazy
2140 stubs separately. */
2141
2142static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
2143{
2144 0xd0, 0x02, /* mov.l @(12,pc),r0 */
2145 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2146 0x70, 0x04, /* add #4, r0 */
2147 0x41, 0x2b, /* jmp @r1 */
2148 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2149 0x00, 0x09, /* nop */
2150 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2151 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2152 0x60, 0xc2, /* mov.l @r12,r0 */
2153 0x40, 0x2b, /* jmp @r0 */
2154 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2155 0x00, 0x09, /* nop */
2156};
2157
2158static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
2159{
2160 0x02, 0xd0, /* mov.l @(12,pc),r0 */
2161 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2162 0x04, 0x70, /* add #4, r0 */
2163 0x2b, 0x41, /* jmp @r1 */
2164 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2165 0x09, 0x00, /* nop */
2166 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2167 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2168 0xc2, 0x60, /* mov.l @r12,r0 */
2169 0x2b, 0x40, /* jmp @r0 */
2170 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2171 0x09, 0x00, /* nop */
2172};
2173
2174static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
2175 {
2176 /* Big-endian PIC. */
2177 NULL,
2178 0,
2179 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2180 fdpic_sh_plt_entry_be,
2181 FDPIC_PLT_ENTRY_SIZE,
2182 { 12, MINUS_ONE, 16, FALSE },
2183 FDPIC_PLT_LAZY_OFFSET,
2184 NULL
2185 },
2186 {
2187 /* Little-endian PIC. */
2188 NULL,
2189 0,
2190 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2191 fdpic_sh_plt_entry_le,
2192 FDPIC_PLT_ENTRY_SIZE,
2193 { 12, MINUS_ONE, 16, FALSE },
2194 FDPIC_PLT_LAZY_OFFSET,
2195 NULL
2196 },
2197};
2198
2199/* On SH2A, we can use the movi20 instruction to generate shorter PLT
2200 entries for the first 64K slots. We use the normal FDPIC PLT entry
2201 past that point; we could also use movi20s, which might be faster,
2202 but would not be any smaller. */
2203
2204#define FDPIC_SH2A_PLT_ENTRY_SIZE 24
2205#define FDPIC_SH2A_PLT_LAZY_OFFSET 16
2206
2207static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2208{
2209 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2210 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2211 0x70, 0x04, /* add #4, r0 */
2212 0x41, 0x2b, /* jmp @r1 */
2213 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2214 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2215 0x60, 0xc2, /* mov.l @r12,r0 */
2216 0x40, 0x2b, /* jmp @r0 */
2217 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2218 0x00, 0x09, /* nop */
2219};
2220
2221static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2222{
2223 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2224 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2225 0x04, 0x70, /* add #4, r0 */
2226 0x2b, 0x41, /* jmp @r1 */
2227 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2228 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2229 0xc2, 0x60, /* mov.l @r12,r0 */
2230 0x2b, 0x40, /* jmp @r0 */
2231 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2232 0x09, 0x00, /* nop */
2233};
2234
2235static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
2236 /* Big-endian FDPIC, max index 64K. */
2237 NULL,
2238 0,
2239 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2240 fdpic_sh2a_plt_entry_be,
2241 FDPIC_SH2A_PLT_ENTRY_SIZE,
2242 { 0, MINUS_ONE, 12, TRUE },
2243 FDPIC_SH2A_PLT_LAZY_OFFSET,
2244 NULL
2245};
2246
2247static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
2248 /* Little-endian FDPIC, max index 64K. */
2249 NULL,
2250 0,
2251 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2252 fdpic_sh2a_plt_entry_le,
2253 FDPIC_SH2A_PLT_ENTRY_SIZE,
2254 { 0, MINUS_ONE, 12, TRUE },
2255 FDPIC_SH2A_PLT_LAZY_OFFSET,
2256 NULL
2257};
2258
2259static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
2260 {
2261 /* Big-endian PIC. */
2262 NULL,
2263 0,
2264 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2265 fdpic_sh_plt_entry_be,
2266 FDPIC_PLT_ENTRY_SIZE,
2267 { 12, MINUS_ONE, 16, FALSE },
2268 FDPIC_PLT_LAZY_OFFSET,
2269 &fdpic_sh2a_short_plt_be
2270 },
2271 {
2272 /* Little-endian PIC. */
2273 NULL,
2274 0,
2275 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2276 fdpic_sh_plt_entry_le,
2277 FDPIC_PLT_ENTRY_SIZE,
2278 { 12, MINUS_ONE, 16, FALSE },
2279 FDPIC_PLT_LAZY_OFFSET,
2280 &fdpic_sh2a_short_plt_le
2281 },
2282};
2283
55e6e397
RS
2284/* Return the type of PLT associated with ABFD. PIC_P is true if
2285 the object is position-independent. */
9bdafcce 2286
55e6e397 2287static const struct elf_sh_plt_info *
8e45593f 2288get_plt_info (bfd *abfd, bfd_boolean pic_p)
55e6e397 2289{
8e45593f
NC
2290 if (fdpic_object_p (abfd))
2291 {
2292 /* If any input file requires SH2A we can use a shorter PLT
2293 sequence. */
2294 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2295 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2296 else
2297 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2298 }
55e6e397
RS
2299 if (vxworks_object_p (abfd))
2300 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2301 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2302}
9bdafcce 2303
55e6e397
RS
2304/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2305 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2306 not data. */
9bdafcce 2307
55e6e397
RS
2308inline static void
2309install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2310 unsigned long value, bfd_byte *addr)
2311{
2312 bfd_put_32 (output_bfd, value, addr);
2313}
fbca6ad9 2314#endif
015551fc 2315
8e45593f
NC
2316/* The number of PLT entries which can use a shorter PLT, if any.
2317 Currently always 64K, since only SH-2A FDPIC uses this; a
2318 20-bit movi20 can address that many function descriptors below
2319 _GLOBAL_OFFSET_TABLE_. */
2320#define MAX_SHORT_PLT 65536
2321
55e6e397
RS
2322/* Return the index of the PLT entry at byte offset OFFSET. */
2323
2324static bfd_vma
2325get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2326{
8e45593f
NC
2327 bfd_vma plt_index = 0;
2328
2329 offset -= info->plt0_entry_size;
2330 if (info->short_plt != NULL)
2331 {
2332 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2333 {
2334 plt_index = MAX_SHORT_PLT;
2335 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2336 }
2337 else
2338 info = info->short_plt;
2339 }
2340 return plt_index + offset / info->symbol_entry_size;
55e6e397
RS
2341}
2342
2343/* Do the inverse operation. */
2344
2345static bfd_vma
91d6fa6a 2346get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
55e6e397 2347{
8e45593f
NC
2348 bfd_vma offset = 0;
2349
2350 if (info->short_plt != NULL)
2351 {
2352 if (plt_index > MAX_SHORT_PLT)
2353 {
2354 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2355 plt_index -= MAX_SHORT_PLT;
2356 }
2357 else
2358 info = info->short_plt;
2359 }
2360 return (offset + info->plt0_entry_size
2361 + (plt_index * info->symbol_entry_size));
55e6e397
RS
2362}
2363
37c644f2 2364/* The sh linker needs to keep track of the number of relocs that it
067653c5
AM
2365 decides to copy as dynamic relocs in check_relocs for each symbol.
2366 This is so that it can later discard them if they are found to be
2367 unnecessary. We store the information in a field extending the
2368 regular ELF linker hash table. */
252b5132 2369
067653c5 2370struct elf_sh_dyn_relocs
38b1a46c 2371{
067653c5
AM
2372 struct elf_sh_dyn_relocs *next;
2373
2374 /* The input section of the reloc. */
2375 asection *sec;
2376
2377 /* Total number of relocs copied for the input section. */
37c644f2 2378 bfd_size_type count;
067653c5
AM
2379
2380 /* Number of pc-relative relocs copied for the input section. */
2381 bfd_size_type pc_count;
37c644f2 2382};
252b5132 2383
8e45593f
NC
2384union gotref
2385{
2386 bfd_signed_vma refcount;
2387 bfd_vma offset;
2388};
2389
37c644f2
AO
2390/* sh ELF linker hash entry. */
2391
38b1a46c
NC
2392struct elf_sh_link_hash_entry
2393{
37c644f2
AO
2394 struct elf_link_hash_entry root;
2395
fbca6ad9 2396#ifdef INCLUDE_SHMEDIA
396a6083
SC
2397 union
2398 {
2399 bfd_signed_vma refcount;
2400 bfd_vma offset;
2401 } datalabel_got;
fbca6ad9
AO
2402#endif
2403
067653c5
AM
2404 /* Track dynamic relocs copied for this symbol. */
2405 struct elf_sh_dyn_relocs *dyn_relocs;
4989d792
SC
2406
2407 bfd_signed_vma gotplt_refcount;
3376eaf5 2408
8e45593f
NC
2409 /* A local function descriptor, for FDPIC. The refcount counts
2410 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2411 relocations; the PLT and GOT entry are accounted
2412 for separately. After adjust_dynamic_symbol, the offset is
2413 MINUS_ONE if there is no local descriptor (dynamic linker
2414 managed and no PLT entry, or undefined weak non-dynamic).
2415 During check_relocs we do not yet know whether the local
2416 descriptor will be canonical. */
2417 union gotref funcdesc;
2418
2419 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2420 and thus require fixups or relocations. */
2421 bfd_signed_vma abs_funcdesc_refcount;
2422
85e02784 2423 enum got_type {
8e45593f
NC
2424 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2425 } got_type;
3376eaf5
KK
2426};
2427
2428#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2429
2430struct sh_elf_obj_tdata
2431{
2432 struct elf_obj_tdata root;
2433
8e45593f
NC
2434 /* got_type for each local got entry. */
2435 char *local_got_type;
2436
2437 /* Function descriptor refcount and offset for each local symbol. */
2438 union gotref *local_funcdesc;
37c644f2
AO
2439};
2440
3376eaf5
KK
2441#define sh_elf_tdata(abfd) \
2442 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2443
8e45593f
NC
2444#define sh_elf_local_got_type(abfd) \
2445 (sh_elf_tdata (abfd)->local_got_type)
2446
2447#define sh_elf_local_funcdesc(abfd) \
2448 (sh_elf_tdata (abfd)->local_funcdesc)
3376eaf5 2449
0ffa91dd
NC
2450#define is_sh_elf(bfd) \
2451 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2452 && elf_tdata (bfd) != NULL \
4dfe6ac6 2453 && elf_object_id (bfd) == SH_ELF_DATA)
0ffa91dd 2454
3376eaf5
KK
2455/* Override the generic function because we need to store sh_elf_obj_tdata
2456 as the specific tdata. */
2457
b34976b6 2458static bfd_boolean
09fd220b 2459sh_elf_mkobject (bfd *abfd)
3376eaf5 2460{
0ffa91dd 2461 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
4dfe6ac6 2462 SH_ELF_DATA);
3376eaf5 2463}
b34976b6 2464
37c644f2
AO
2465/* sh ELF linker hash table. */
2466
38b1a46c
NC
2467struct elf_sh_link_hash_table
2468{
37c644f2 2469 struct elf_link_hash_table root;
37c644f2 2470
067653c5
AM
2471 /* Short-cuts to get to dynamic linker sections. */
2472 asection *sgot;
2473 asection *sgotplt;
2474 asection *srelgot;
2475 asection *splt;
2476 asection *srelplt;
2477 asection *sdynbss;
2478 asection *srelbss;
8e45593f
NC
2479 asection *sfuncdesc;
2480 asection *srelfuncdesc;
2481 asection *srofixup;
37c644f2 2482
55e6e397
RS
2483 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2484 asection *srelplt2;
2485
87d72d41
AM
2486 /* Small local sym cache. */
2487 struct sym_cache sym_cache;
3376eaf5
KK
2488
2489 /* A counter or offset to track a TLS got entry. */
2490 union
2491 {
2492 bfd_signed_vma refcount;
2493 bfd_vma offset;
2494 } tls_ldm_got;
55e6e397
RS
2495
2496 /* The type of PLT to use. */
2497 const struct elf_sh_plt_info *plt_info;
2498
2499 /* True if the target system is VxWorks. */
2500 bfd_boolean vxworks_p;
8e45593f
NC
2501
2502 /* True if the target system uses FDPIC. */
2503 bfd_boolean fdpic_p;
067653c5 2504};
37c644f2
AO
2505
2506/* Traverse an sh ELF linker hash table. */
2507
2508#define sh_elf_link_hash_traverse(table, func, info) \
2509 (elf_link_hash_traverse \
2510 (&(table)->root, \
09fd220b 2511 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2512 (info)))
2513
2514/* Get the sh ELF linker hash table from a link_info structure. */
2515
2516#define sh_elf_hash_table(p) \
4dfe6ac6
NC
2517 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2518 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
37c644f2
AO
2519
2520/* Create an entry in an sh ELF linker hash table. */
2521
2522static struct bfd_hash_entry *
09fd220b
KK
2523sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2524 struct bfd_hash_table *table,
2525 const char *string)
37c644f2
AO
2526{
2527 struct elf_sh_link_hash_entry *ret =
2528 (struct elf_sh_link_hash_entry *) entry;
2529
2530 /* Allocate the structure if it has not already been allocated by a
2531 subclass. */
2532 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2533 ret = ((struct elf_sh_link_hash_entry *)
2534 bfd_hash_allocate (table,
2535 sizeof (struct elf_sh_link_hash_entry)));
2536 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2537 return (struct bfd_hash_entry *) ret;
2538
2539 /* Call the allocation method of the superclass. */
2540 ret = ((struct elf_sh_link_hash_entry *)
2541 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2542 table, string));
2543 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2544 {
396a6083
SC
2545 ret->dyn_relocs = NULL;
2546 ret->gotplt_refcount = 0;
fbca6ad9 2547#ifdef INCLUDE_SHMEDIA
396a6083 2548 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2549#endif
8e45593f
NC
2550 ret->funcdesc.refcount = 0;
2551 ret->abs_funcdesc_refcount = 0;
2552 ret->got_type = GOT_UNKNOWN;
37c644f2
AO
2553 }
2554
2555 return (struct bfd_hash_entry *) ret;
2556}
2557
2558/* Create an sh ELF linker hash table. */
2559
2560static struct bfd_link_hash_table *
09fd220b 2561sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2562{
2563 struct elf_sh_link_hash_table *ret;
dc810e39 2564 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2565
0e5de31a 2566 ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt);
37c644f2
AO
2567 if (ret == (struct elf_sh_link_hash_table *) NULL)
2568 return NULL;
2569
66eb6687
AM
2570 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2571 sh_elf_link_hash_newfunc,
4dfe6ac6
NC
2572 sizeof (struct elf_sh_link_hash_entry),
2573 SH_ELF_DATA))
37c644f2 2574 {
e2d34d7d 2575 free (ret);
37c644f2
AO
2576 return NULL;
2577 }
2578
55e6e397 2579 ret->vxworks_p = vxworks_object_p (abfd);
8e45593f 2580 ret->fdpic_p = fdpic_object_p (abfd);
067653c5 2581
37c644f2
AO
2582 return &ret->root.root;
2583}
2584
8e45593f
NC
2585static bfd_boolean
2586sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2587 struct bfd_link_info *info, asection *p)
2588{
2589 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2590
2591 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2592 if (!htab->fdpic_p)
2593 return TRUE;
2594
2595 /* We need dynamic symbols for every section, since segments can
2596 relocate independently. */
2597 switch (elf_section_data (p)->this_hdr.sh_type)
2598 {
2599 case SHT_PROGBITS:
2600 case SHT_NOBITS:
2601 /* If sh_type is yet undecided, assume it could be
2602 SHT_PROGBITS/SHT_NOBITS. */
2603 case SHT_NULL:
2604 return FALSE;
2605
2606 /* There shouldn't be section relative relocations
2607 against any other section. */
2608 default:
2609 return TRUE;
2610 }
2611}
2612
067653c5
AM
2613/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2614 shortcuts to them in our hash table. */
2615
b34976b6 2616static bfd_boolean
09fd220b 2617create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2618{
2619 struct elf_sh_link_hash_table *htab;
2620
2621 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2622 return FALSE;
067653c5
AM
2623
2624 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2625 if (htab == NULL)
2626 return FALSE;
2627
3d4d4302
AM
2628 htab->sgot = bfd_get_linker_section (dynobj, ".got");
2629 htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
2630 htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got");
64e77c6d 2631 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
067653c5 2632 abort ();
8e45593f 2633
3d4d4302
AM
2634 htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
2635 (SEC_ALLOC | SEC_LOAD
2636 | SEC_HAS_CONTENTS
2637 | SEC_IN_MEMORY
2638 | SEC_LINKER_CREATED));
8e45593f
NC
2639 if (htab->sfuncdesc == NULL
2640 || ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2))
2641 return FALSE;
2642
3d4d4302
AM
2643 htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
2644 ".rela.got.funcdesc",
2645 (SEC_ALLOC | SEC_LOAD
2646 | SEC_HAS_CONTENTS
2647 | SEC_IN_MEMORY
2648 | SEC_LINKER_CREATED
2649 | SEC_READONLY));
8e45593f
NC
2650 if (htab->srelfuncdesc == NULL
2651 || ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2))
2652 return FALSE;
2653
2654 /* Also create .rofixup. */
3d4d4302
AM
2655 htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
2656 (SEC_ALLOC | SEC_LOAD
2657 | SEC_HAS_CONTENTS
2658 | SEC_IN_MEMORY
2659 | SEC_LINKER_CREATED
2660 | SEC_READONLY));
8e45593f
NC
2661 if (htab->srofixup == NULL
2662 || ! bfd_set_section_alignment (dynobj, htab->srofixup, 2))
2663 return FALSE;
2664
b34976b6 2665 return TRUE;
067653c5
AM
2666}
2667
37c644f2
AO
2668/* Create dynamic sections when linking against a dynamic object. */
2669
b34976b6 2670static bfd_boolean
09fd220b 2671sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2672{
067653c5 2673 struct elf_sh_link_hash_table *htab;
37c644f2 2674 flagword flags, pltflags;
91d6fa6a 2675 asection *s;
9c5bfbb7 2676 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2677 int ptralign = 0;
2678
2679 switch (bed->s->arch_size)
2680 {
2681 case 32:
2682 ptralign = 2;
2683 break;
2684
2685 case 64:
2686 ptralign = 3;
2687 break;
2688
2689 default:
2690 bfd_set_error (bfd_error_bad_value);
b34976b6 2691 return FALSE;
37c644f2
AO
2692 }
2693
067653c5 2694 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2695 if (htab == NULL)
2696 return FALSE;
2697
35cad4c4
KK
2698 if (htab->root.dynamic_sections_created)
2699 return TRUE;
067653c5 2700
37c644f2
AO
2701 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2702 .rel[a].bss sections. */
2703
2704 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2705 | SEC_LINKER_CREATED);
2706
2707 pltflags = flags;
2708 pltflags |= SEC_CODE;
2709 if (bed->plt_not_loaded)
2710 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2711 if (bed->plt_readonly)
2712 pltflags |= SEC_READONLY;
2713
3d4d4302 2714 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2715 htab->splt = s;
2716 if (s == NULL
35cad4c4
KK
2717 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2718 return FALSE;
37c644f2
AO
2719
2720 if (bed->want_plt_sym)
2721 {
2722 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2723 .plt section. */
14a793b2
AM
2724 struct elf_link_hash_entry *h;
2725 struct bfd_link_hash_entry *bh = NULL;
2726
37c644f2
AO
2727 if (! (_bfd_generic_link_add_one_symbol
2728 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2729 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2730 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2731 return FALSE;
14a793b2
AM
2732
2733 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2734 h->def_regular = 1;
37c644f2 2735 h->type = STT_OBJECT;
7325306f 2736 htab->root.hplt = h;
37c644f2
AO
2737
2738 if (info->shared
c152c796 2739 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2740 return FALSE;
37c644f2
AO
2741 }
2742
3d4d4302
AM
2743 s = bfd_make_section_anyway_with_flags (abfd,
2744 bed->default_use_rela_p
2745 ? ".rela.plt" : ".rel.plt",
2746 flags | SEC_READONLY);
35cad4c4
KK
2747 htab->srelplt = s;
2748 if (s == NULL
35cad4c4
KK
2749 || ! bfd_set_section_alignment (abfd, s, ptralign))
2750 return FALSE;
37c644f2 2751
2293c499
AM
2752 if (htab->sgot == NULL
2753 && !create_got_section (abfd, info))
b34976b6 2754 return FALSE;
37c644f2 2755
37c644f2
AO
2756 if (bed->want_dynbss)
2757 {
2758 /* The .dynbss section is a place to put symbols which are defined
2759 by dynamic objects, are referenced by regular objects, and are
2760 not functions. We must allocate space for them in the process
2761 image and use a R_*_COPY reloc to tell the dynamic linker to
2762 initialize them at run time. The linker script puts the .dynbss
2763 section into the .bss section of the final image. */
3d4d4302
AM
2764 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2765 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2766 htab->sdynbss = s;
3496cb2a 2767 if (s == NULL)
35cad4c4 2768 return FALSE;
37c644f2
AO
2769
2770 /* The .rel[a].bss section holds copy relocs. This section is not
2771 normally needed. We need to create it here, though, so that the
2772 linker will map it to an output section. We can't just create it
2773 only if we need it, because we will not know whether we need it
2774 until we have seen all the input files, and the first time the
2775 main linker code calls BFD after examining all the input files
2776 (size_dynamic_sections) the input sections have already been
2777 mapped to the output sections. If the section turns out not to
2778 be needed, we can discard it later. We will never need this
2779 section when generating a shared object, since they do not use
2780 copy relocs. */
35cad4c4 2781 if (! info->shared)
37c644f2 2782 {
3d4d4302
AM
2783 s = bfd_make_section_anyway_with_flags (abfd,
2784 (bed->default_use_rela_p
2785 ? ".rela.bss" : ".rel.bss"),
2786 flags | SEC_READONLY);
067653c5 2787 htab->srelbss = s;
37c644f2 2788 if (s == NULL
37c644f2 2789 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2790 return FALSE;
37c644f2
AO
2791 }
2792 }
2793
55e6e397
RS
2794 if (htab->vxworks_p)
2795 {
2796 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2797 return FALSE;
2798 }
2799
b34976b6 2800 return TRUE;
37c644f2
AO
2801}
2802\f
37c644f2
AO
2803/* Adjust a symbol defined by a dynamic object and referenced by a
2804 regular object. The current definition is in some section of the
2805 dynamic object, but we're not including those sections. We have to
2806 change the definition to something the rest of the link can
2807 understand. */
2808
b34976b6 2809static bfd_boolean
09fd220b
KK
2810sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2811 struct elf_link_hash_entry *h)
37c644f2 2812{
067653c5
AM
2813 struct elf_sh_link_hash_table *htab;
2814 struct elf_sh_link_hash_entry *eh;
2815 struct elf_sh_dyn_relocs *p;
37c644f2 2816 asection *s;
37c644f2 2817
2293c499 2818 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2819 if (htab == NULL)
2820 return FALSE;
37c644f2
AO
2821
2822 /* Make sure we know what is going on here. */
2293c499 2823 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2824 && (h->needs_plt
f6e332e6 2825 || h->u.weakdef != NULL
f5385ebf
AM
2826 || (h->def_dynamic
2827 && h->ref_regular
2828 && !h->def_regular)));
37c644f2
AO
2829
2830 /* If this is a function, put it in the procedure linkage table. We
2831 will fill in the contents of the procedure linkage table later,
2832 when we know the address of the .got section. */
2833 if (h->type == STT_FUNC
f5385ebf 2834 || h->needs_plt)
37c644f2 2835 {
067653c5 2836 if (h->plt.refcount <= 0
3d85aebe
KK
2837 || SYMBOL_CALLS_LOCAL (info, h)
2838 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2839 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2840 {
2841 /* This case can occur if we saw a PLT reloc in an input
2842 file, but the symbol was never referred to by a dynamic
2843 object. In such a case, we don't actually need to build
2844 a procedure linkage table, and we can just do a REL32
2845 reloc instead. */
067653c5 2846 h->plt.offset = (bfd_vma) -1;
f5385ebf 2847 h->needs_plt = 0;
37c644f2
AO
2848 }
2849
b34976b6 2850 return TRUE;
37c644f2 2851 }
067653c5
AM
2852 else
2853 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2854
2855 /* If this is a weak symbol, and there is a real definition, the
2856 processor independent code will have arranged for us to see the
2857 real definition first, and we can just use the same value. */
f6e332e6 2858 if (h->u.weakdef != NULL)
37c644f2 2859 {
f6e332e6
AM
2860 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2861 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2862 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2863 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2864 if (info->nocopyreloc)
f6e332e6 2865 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2866 return TRUE;
37c644f2
AO
2867 }
2868
2869 /* This is a reference to a symbol defined by a dynamic object which
2870 is not a function. */
2871
2872 /* If we are creating a shared library, we must presume that the
2873 only references to the symbol are via the global offset table.
2874 For such cases we need not do anything here; the relocations will
2875 be handled correctly by relocate_section. */
2876 if (info->shared)
b34976b6 2877 return TRUE;
37c644f2
AO
2878
2879 /* If there are no references to this symbol that do not use the
2880 GOT, we don't need to generate a copy reloc. */
f5385ebf 2881 if (!h->non_got_ref)
b34976b6 2882 return TRUE;
37c644f2 2883
067653c5
AM
2884 /* If -z nocopyreloc was given, we won't generate them either. */
2885 if (info->nocopyreloc)
2886 {
f5385ebf 2887 h->non_got_ref = 0;
b34976b6 2888 return TRUE;
067653c5
AM
2889 }
2890
2891 eh = (struct elf_sh_link_hash_entry *) h;
2892 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2893 {
2894 s = p->sec->output_section;
2895 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2896 break;
2897 }
2898
2899 /* If we didn't find any dynamic relocs in sections which needs the
2900 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2901 the copy reloc. */
2902 if (p == NULL)
2903 {
f5385ebf 2904 h->non_got_ref = 0;
b34976b6 2905 return TRUE;
067653c5
AM
2906 }
2907
37c644f2
AO
2908 /* We must allocate the symbol in our .dynbss section, which will
2909 become part of the .bss section of the executable. There will be
2910 an entry for this symbol in the .dynsym section. The dynamic
2911 object will contain position independent code, so all references
2912 from the dynamic object to this symbol will go through the global
2913 offset table. The dynamic linker will use the .dynsym entry to
2914 determine the address it must put in the global offset table, so
2915 both the dynamic object and the regular object will refer to the
2916 same memory location for the variable. */
2917
067653c5 2918 s = htab->sdynbss;
37c644f2
AO
2919 BFD_ASSERT (s != NULL);
2920
2921 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2922 copy the initial value out of the dynamic object and into the
2923 runtime process image. We need to remember the offset into the
2924 .rela.bss section we are going to use. */
1d7e9d18 2925 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
37c644f2
AO
2926 {
2927 asection *srel;
2928
067653c5 2929 srel = htab->srelbss;
37c644f2 2930 BFD_ASSERT (srel != NULL);
eea6121a 2931 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2932 h->needs_copy = 1;
37c644f2
AO
2933 }
2934
6cabe1ea 2935 return _bfd_elf_adjust_dynamic_copy (info, h, s);
37c644f2
AO
2936}
2937
067653c5
AM
2938/* Allocate space in .plt, .got and associated reloc sections for
2939 dynamic relocs. */
2940
b34976b6 2941static bfd_boolean
09fd220b 2942allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2943{
2944 struct bfd_link_info *info;
2945 struct elf_sh_link_hash_table *htab;
2946 struct elf_sh_link_hash_entry *eh;
2947 struct elf_sh_dyn_relocs *p;
2948
2949 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2950 return TRUE;
067653c5 2951
067653c5
AM
2952 info = (struct bfd_link_info *) inf;
2953 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2954 if (htab == NULL)
2955 return FALSE;
067653c5 2956
4989d792
SC
2957 eh = (struct elf_sh_link_hash_entry *) h;
2958 if ((h->got.refcount > 0
f5385ebf 2959 || h->forced_local)
4989d792
SC
2960 && eh->gotplt_refcount > 0)
2961 {
2962 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2963 so treat all the gotplt refs as got refs. */
4989d792
SC
2964 h->got.refcount += eh->gotplt_refcount;
2965 if (h->plt.refcount >= eh->gotplt_refcount)
2966 h->plt.refcount -= eh->gotplt_refcount;
2967 }
2968
067653c5 2969 if (htab->root.dynamic_sections_created
04e534c3
KK
2970 && h->plt.refcount > 0
2971 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2972 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2973 {
2974 /* Make sure this symbol is output as a dynamic symbol.
2975 Undefined weak syms won't yet be marked as dynamic. */
2976 if (h->dynindx == -1
f5385ebf 2977 && !h->forced_local)
067653c5 2978 {
c152c796 2979 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2980 return FALSE;
067653c5
AM
2981 }
2982
267fb3c1
KK
2983 if (info->shared
2984 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
2985 {
2986 asection *s = htab->splt;
8e45593f 2987 const struct elf_sh_plt_info *plt_info;
067653c5
AM
2988
2989 /* If this is the first .plt entry, make room for the special
2990 first entry. */
eea6121a 2991 if (s->size == 0)
55e6e397 2992 s->size += htab->plt_info->plt0_entry_size;
067653c5 2993
eea6121a 2994 h->plt.offset = s->size;
067653c5
AM
2995
2996 /* If this symbol is not defined in a regular file, and we are
2997 not generating a shared library, then set the symbol to this
2998 location in the .plt. This is required to make function
2999 pointers compare as equal between the normal executable and
8e45593f
NC
3000 the shared library. Skip this for FDPIC, since the
3001 function's address will be the address of the canonical
3002 function descriptor. */
3003 if (!htab->fdpic_p && !info->shared && !h->def_regular)
067653c5
AM
3004 {
3005 h->root.u.def.section = s;
3006 h->root.u.def.value = h->plt.offset;
3007 }
3008
3009 /* Make room for this entry. */
8e45593f
NC
3010 plt_info = htab->plt_info;
3011 if (plt_info->short_plt != NULL
3012 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
3013 plt_info = plt_info->short_plt;
3014 s->size += plt_info->symbol_entry_size;
067653c5
AM
3015
3016 /* We also need to make an entry in the .got.plt section, which
3017 will be placed in the .got section by the linker script. */
8e45593f
NC
3018 if (!htab->fdpic_p)
3019 htab->sgotplt->size += 4;
3020 else
3021 htab->sgotplt->size += 8;
067653c5
AM
3022
3023 /* We also need to make an entry in the .rel.plt section. */
eea6121a 3024 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
3025
3026 if (htab->vxworks_p && !info->shared)
3027 {
3028 /* VxWorks executables have a second set of relocations
3029 for each PLT entry. They go in a separate relocation
3030 section, which is processed by the kernel loader. */
3031
3032 /* There is a relocation for the initial PLT entry:
3033 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
3034 if (h->plt.offset == htab->plt_info->plt0_entry_size)
3035 htab->srelplt2->size += sizeof (Elf32_External_Rela);
3036
3037 /* There are two extra relocations for each subsequent
3038 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
3039 and an R_SH_DIR32 relocation for the PLT entry. */
3040 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
3041 }
067653c5
AM
3042 }
3043 else
3044 {
3045 h->plt.offset = (bfd_vma) -1;
f5385ebf 3046 h->needs_plt = 0;
067653c5
AM
3047 }
3048 }
3049 else
3050 {
3051 h->plt.offset = (bfd_vma) -1;
f5385ebf 3052 h->needs_plt = 0;
067653c5
AM
3053 }
3054
3055 if (h->got.refcount > 0)
3056 {
3057 asection *s;
b34976b6 3058 bfd_boolean dyn;
85e02784 3059 enum got_type got_type = sh_elf_hash_entry (h)->got_type;
067653c5
AM
3060
3061 /* Make sure this symbol is output as a dynamic symbol.
3062 Undefined weak syms won't yet be marked as dynamic. */
3063 if (h->dynindx == -1
f5385ebf 3064 && !h->forced_local)
067653c5 3065 {
c152c796 3066 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3067 return FALSE;
067653c5
AM
3068 }
3069
3070 s = htab->sgot;
eea6121a
AM
3071 h->got.offset = s->size;
3072 s->size += 4;
3376eaf5 3073 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
8e45593f 3074 if (got_type == GOT_TLS_GD)
eea6121a 3075 s->size += 4;
067653c5 3076 dyn = htab->root.dynamic_sections_created;
8e45593f
NC
3077 if (!dyn)
3078 {
3079 /* No dynamic relocations required. */
3080 if (htab->fdpic_p && !info->shared
3081 && h->root.type != bfd_link_hash_undefweak
3082 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
3083 htab->srofixup->size += 4;
3084 }
87458ed2
KK
3085 /* No dynamic relocations required when IE->LE conversion happens. */
3086 else if (got_type == GOT_TLS_IE && !h->def_dynamic && !info->shared)
3087 ;
267fb3c1 3088 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5 3089 R_SH_TLS_GD needs one if local symbol and two if global. */
8e45593f
NC
3090 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
3091 || got_type == GOT_TLS_IE)
eea6121a 3092 htab->srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 3093 else if (got_type == GOT_TLS_GD)
eea6121a 3094 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
8e45593f
NC
3095 else if (got_type == GOT_FUNCDESC)
3096 {
3097 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3098 htab->srofixup->size += 4;
3099 else
3100 htab->srelgot->size += sizeof (Elf32_External_Rela);
3101 }
04e534c3
KK
3102 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3103 || h->root.type != bfd_link_hash_undefweak)
3104 && (info->shared
3105 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 3106 htab->srelgot->size += sizeof (Elf32_External_Rela);
8e45593f
NC
3107 else if (htab->fdpic_p && !info->shared && got_type == GOT_NORMAL
3108 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3109 || h->root.type != bfd_link_hash_undefweak))
3110 htab->srofixup->size += 4;
067653c5
AM
3111 }
3112 else
3113 h->got.offset = (bfd_vma) -1;
3114
396a6083
SC
3115#ifdef INCLUDE_SHMEDIA
3116 if (eh->datalabel_got.refcount > 0)
3117 {
3118 asection *s;
b34976b6 3119 bfd_boolean dyn;
396a6083
SC
3120
3121 /* Make sure this symbol is output as a dynamic symbol.
3122 Undefined weak syms won't yet be marked as dynamic. */
3123 if (h->dynindx == -1
f5385ebf 3124 && !h->forced_local)
396a6083 3125 {
c152c796 3126 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3127 return FALSE;
396a6083
SC
3128 }
3129
3130 s = htab->sgot;
eea6121a
AM
3131 eh->datalabel_got.offset = s->size;
3132 s->size += 4;
396a6083 3133 dyn = htab->root.dynamic_sections_created;
267fb3c1 3134 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 3135 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
3136 }
3137 else
3138 eh->datalabel_got.offset = (bfd_vma) -1;
3139#endif
3140
8e45593f
NC
3141 /* Allocate space for any dynamic relocations to function
3142 descriptors, canonical or otherwise. We need to relocate the
3143 reference unless it resolves to zero, which only happens for
3144 undefined weak symbols (either non-default visibility, or when
3145 static linking). Any GOT slot is accounted for elsewhere. */
3146 if (eh->abs_funcdesc_refcount > 0
3147 && (h->root.type != bfd_link_hash_undefweak
3148 || (htab->root.dynamic_sections_created
3149 && ! SYMBOL_CALLS_LOCAL (info, h))))
3150 {
3151 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3152 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
3153 else
3154 htab->srelgot->size
3155 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
3156 }
3157
3158 /* We must allocate a function descriptor if there are references to
3159 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
3160 the dynamic linker isn't going to allocate it. None of this
3161 applies if we already created one in .got.plt, but if the
3162 canonical function descriptor can be in this object, there
3163 won't be a PLT entry at all. */
3164 if ((eh->funcdesc.refcount > 0
3165 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
3166 && h->root.type != bfd_link_hash_undefweak
3167 && SYMBOL_FUNCDESC_LOCAL (info, h))
3168 {
3169 /* Make room for this function descriptor. */
3170 eh->funcdesc.offset = htab->sfuncdesc->size;
3171 htab->sfuncdesc->size += 8;
3172
3173 /* We will need a relocation or two fixups to initialize the
3174 function descriptor, so allocate those too. */
3175 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3176 htab->srofixup->size += 8;
3177 else
3178 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3179 }
3180
067653c5 3181 if (eh->dyn_relocs == NULL)
b34976b6 3182 return TRUE;
067653c5
AM
3183
3184 /* In the shared -Bsymbolic case, discard space allocated for
3185 dynamic pc-relative relocs against symbols which turn out to be
3186 defined in regular objects. For the normal shared case, discard
3187 space for pc-relative relocs that have become local due to symbol
3188 visibility changes. */
3189
3190 if (info->shared)
3191 {
3d85aebe 3192 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
3193 {
3194 struct elf_sh_dyn_relocs **pp;
3195
3196 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3197 {
3198 p->count -= p->pc_count;
3199 p->pc_count = 0;
3200 if (p->count == 0)
3201 *pp = p->next;
3202 else
3203 pp = &p->next;
3204 }
3205 }
04e534c3 3206
3348747a
NS
3207 if (htab->vxworks_p)
3208 {
3209 struct elf_sh_dyn_relocs **pp;
3210
3211 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3212 {
3213 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
3214 *pp = p->next;
3215 else
3216 pp = &p->next;
3217 }
3218 }
3219
04e534c3
KK
3220 /* Also discard relocs on undefined weak syms with non-default
3221 visibility. */
22d606e9 3222 if (eh->dyn_relocs != NULL
04e534c3 3223 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
3224 {
3225 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
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. */
3278 if (htab->fdpic_p && !info->shared)
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
3304 /* Not an error, just cut short the traversal. */
b34976b6 3305 return FALSE;
067653c5
AM
3306 }
3307 }
b34976b6 3308 return TRUE;
067653c5
AM
3309}
3310
55e6e397
RS
3311/* This function is called after all the input files have been read,
3312 and the input sections have been assigned to output sections.
3313 It's a convenient place to determine the PLT style. */
3314
3315static bfd_boolean
3316sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3317{
3318 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
8e45593f 3319
04c3a755
NS
3320 if (sh_elf_hash_table (info)->fdpic_p && !info->relocatable
3321 && !bfd_elf_stack_segment_size (output_bfd, info,
3322 "__stacksize", DEFAULT_STACK_SIZE))
3323 return FALSE;
55e6e397
RS
3324 return TRUE;
3325}
3326
37c644f2
AO
3327/* Set the sizes of the dynamic sections. */
3328
b34976b6 3329static bfd_boolean
09fd220b
KK
3330sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3331 struct bfd_link_info *info)
37c644f2 3332{
067653c5 3333 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3334 bfd *dynobj;
3335 asection *s;
b34976b6 3336 bfd_boolean relocs;
067653c5 3337 bfd *ibfd;
37c644f2 3338
067653c5 3339 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
3340 if (htab == NULL)
3341 return FALSE;
3342
067653c5 3343 dynobj = htab->root.dynobj;
37c644f2
AO
3344 BFD_ASSERT (dynobj != NULL);
3345
067653c5 3346 if (htab->root.dynamic_sections_created)
37c644f2
AO
3347 {
3348 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 3349 if (info->executable)
37c644f2 3350 {
3d4d4302 3351 s = bfd_get_linker_section (dynobj, ".interp");
37c644f2 3352 BFD_ASSERT (s != NULL);
eea6121a 3353 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
3354 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3355 }
3356 }
37c644f2 3357
067653c5
AM
3358 /* Set up .got offsets for local syms, and space for local dynamic
3359 relocs. */
c72f2fb2 3360 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
37c644f2 3361 {
067653c5
AM
3362 bfd_signed_vma *local_got;
3363 bfd_signed_vma *end_local_got;
8e45593f
NC
3364 union gotref *local_funcdesc, *end_local_funcdesc;
3365 char *local_got_type;
067653c5
AM
3366 bfd_size_type locsymcount;
3367 Elf_Internal_Shdr *symtab_hdr;
3368 asection *srel;
37c644f2 3369
0ffa91dd 3370 if (! is_sh_elf (ibfd))
37c644f2
AO
3371 continue;
3372
067653c5 3373 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 3374 {
067653c5
AM
3375 struct elf_sh_dyn_relocs *p;
3376
3377 for (p = ((struct elf_sh_dyn_relocs *)
3378 elf_section_data (s)->local_dynrel);
3379 p != NULL;
3380 p = p->next)
37c644f2 3381 {
067653c5
AM
3382 if (! bfd_is_abs_section (p->sec)
3383 && bfd_is_abs_section (p->sec->output_section))
3384 {
3385 /* Input section has been discarded, either because
3386 it is a copy of a linkonce section or due to
3387 linker script /DISCARD/, so we'll be discarding
3388 the relocs too. */
3389 }
3348747a
NS
3390 else if (htab->vxworks_p
3391 && strcmp (p->sec->output_section->name,
3392 ".tls_vars") == 0)
3393 {
3394 /* Relocations in vxworks .tls_vars sections are
3395 handled specially by the loader. */
3396 }
067653c5
AM
3397 else if (p->count != 0)
3398 {
3399 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3400 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
3401 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3402 info->flags |= DF_TEXTREL;
8e45593f
NC
3403
3404 /* If we need relocations, we do not need fixups. */
3405 if (htab->fdpic_p && !info->shared)
3406 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5 3407 }
37c644f2
AO
3408 }
3409 }
067653c5 3410
0ffa91dd 3411 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
3412 locsymcount = symtab_hdr->sh_info;
3413#ifdef INCLUDE_SHMEDIA
3414 /* Count datalabel local GOT. */
3415 locsymcount *= 2;
3416#endif
067653c5
AM
3417 s = htab->sgot;
3418 srel = htab->srelgot;
8e45593f
NC
3419
3420 local_got = elf_local_got_refcounts (ibfd);
3421 if (local_got)
37c644f2 3422 {
8e45593f
NC
3423 end_local_got = local_got + locsymcount;
3424 local_got_type = sh_elf_local_got_type (ibfd);
3425 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3426 for (; local_got < end_local_got; ++local_got)
37c644f2 3427 {
8e45593f
NC
3428 if (*local_got > 0)
3429 {
3430 *local_got = s->size;
3431 s->size += 4;
3432 if (*local_got_type == GOT_TLS_GD)
3433 s->size += 4;
3434 if (info->shared)
3435 srel->size += sizeof (Elf32_External_Rela);
3436 else
3437 htab->srofixup->size += 4;
3438
3439 if (*local_got_type == GOT_FUNCDESC)
3440 {
3441 if (local_funcdesc == NULL)
3442 {
3443 bfd_size_type size;
3444
3445 size = locsymcount * sizeof (union gotref);
3446 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3447 size);
3448 if (local_funcdesc == NULL)
3449 return FALSE;
3450 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3451 local_funcdesc += (local_got
3452 - elf_local_got_refcounts (ibfd));
3453 }
3454 local_funcdesc->refcount++;
3455 ++local_funcdesc;
3456 }
3457 }
3458 else
3459 *local_got = (bfd_vma) -1;
3460 ++local_got_type;
3461 }
3462 }
3463
3464 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3465 if (local_funcdesc)
3466 {
3467 end_local_funcdesc = local_funcdesc + locsymcount;
3468
3469 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3470 {
3471 if (local_funcdesc->refcount > 0)
3472 {
3473 local_funcdesc->offset = htab->sfuncdesc->size;
3474 htab->sfuncdesc->size += 8;
3475 if (!info->shared)
3476 htab->srofixup->size += 8;
3477 else
3478 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3479 }
3480 else
3481 local_funcdesc->offset = MINUS_ONE;
37c644f2 3482 }
37c644f2 3483 }
8e45593f 3484
067653c5
AM
3485 }
3486
3376eaf5
KK
3487 if (htab->tls_ldm_got.refcount > 0)
3488 {
3489 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3490 relocs. */
eea6121a
AM
3491 htab->tls_ldm_got.offset = htab->sgot->size;
3492 htab->sgot->size += 8;
3493 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3494 }
3495 else
3496 htab->tls_ldm_got.offset = -1;
3497
8e45593f
NC
3498 /* Only the reserved entries should be present. For FDPIC, they go at
3499 the end of .got.plt. */
3500 if (htab->fdpic_p)
3501 {
3502 BFD_ASSERT (htab->sgotplt && htab->sgotplt->size == 12);
3503 htab->sgotplt->size = 0;
3504 }
3505
067653c5
AM
3506 /* Allocate global sym .plt and .got entries, and space for global
3507 sym dynamic relocs. */
09fd220b 3508 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5 3509
8e45593f
NC
3510 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3511 end of the FDPIC .got.plt. */
3512 if (htab->fdpic_p)
3513 {
3514 htab->root.hgot->root.u.def.value = htab->sgotplt->size;
3515 htab->sgotplt->size += 12;
3516 }
3517
3518 /* At the very end of the .rofixup section is a pointer to the GOT. */
3519 if (htab->fdpic_p && htab->srofixup != NULL)
3520 htab->srofixup->size += 4;
3521
067653c5
AM
3522 /* We now have determined the sizes of the various dynamic sections.
3523 Allocate memory for them. */
b34976b6 3524 relocs = FALSE;
067653c5
AM
3525 for (s = dynobj->sections; s != NULL; s = s->next)
3526 {
3527 if ((s->flags & SEC_LINKER_CREATED) == 0)
3528 continue;
3529
3530 if (s == htab->splt
3531 || s == htab->sgot
c456f082 3532 || s == htab->sgotplt
8e45593f
NC
3533 || s == htab->sfuncdesc
3534 || s == htab->srofixup
c456f082 3535 || s == htab->sdynbss)
067653c5
AM
3536 {
3537 /* Strip this section if we don't need it; see the
3538 comment below. */
3539 }
0112cd26 3540 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3541 {
55e6e397 3542 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3543 relocs = TRUE;
067653c5
AM
3544
3545 /* We use the reloc_count field as a counter if we need
3546 to copy relocs into the output file. */
3547 s->reloc_count = 0;
3548 }
3549 else
37c644f2
AO
3550 {
3551 /* It's not one of our sections, so don't allocate space. */
3552 continue;
3553 }
3554
eea6121a 3555 if (s->size == 0)
37c644f2 3556 {
067653c5
AM
3557 /* If we don't need this section, strip it from the
3558 output file. This is mostly to handle .rela.bss and
3559 .rela.plt. We must create both sections in
3560 create_dynamic_sections, because they must be created
3561 before the linker maps input sections to output
3562 sections. The linker does that before
3563 adjust_dynamic_symbol is called, and it is that
3564 function which decides whether anything needs to go
3565 into these sections. */
3566
8423293d 3567 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3568 continue;
3569 }
3570
c456f082
AM
3571 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3572 continue;
3573
067653c5
AM
3574 /* Allocate memory for the section contents. We use bfd_zalloc
3575 here in case unused entries are not reclaimed before the
3576 section's contents are written out. This should not happen,
3577 but this way if it does, we get a R_SH_NONE reloc instead
3578 of garbage. */
eea6121a 3579 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3580 if (s->contents == NULL)
b34976b6 3581 return FALSE;
37c644f2
AO
3582 }
3583
067653c5 3584 if (htab->root.dynamic_sections_created)
37c644f2
AO
3585 {
3586 /* Add some entries to the .dynamic section. We fill in the
3587 values later, in sh_elf_finish_dynamic_sections, but we
3588 must add the entries now so that we get the correct size for
3589 the .dynamic section. The DT_DEBUG entry is filled in by the
3590 dynamic linker and used by the debugger. */
dc810e39 3591#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3592 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3593
2558b9a9 3594 if (info->executable)
37c644f2 3595 {
067653c5 3596 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3597 return FALSE;
37c644f2
AO
3598 }
3599
eea6121a 3600 if (htab->splt->size != 0)
37c644f2 3601 {
067653c5
AM
3602 if (! add_dynamic_entry (DT_PLTGOT, 0)
3603 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3604 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3605 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3606 return FALSE;
37c644f2 3607 }
8e45593f
NC
3608 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC)
3609 && htab->sgot->size != 0)
3610 {
3611 if (! add_dynamic_entry (DT_PLTGOT, 0))
3612 return FALSE;
3613 }
37c644f2
AO
3614
3615 if (relocs)
3616 {
067653c5
AM
3617 if (! add_dynamic_entry (DT_RELA, 0)
3618 || ! add_dynamic_entry (DT_RELASZ, 0)
3619 || ! add_dynamic_entry (DT_RELAENT,
3620 sizeof (Elf32_External_Rela)))
b34976b6 3621 return FALSE;
37c644f2 3622
067653c5
AM
3623 /* If any dynamic relocs apply to a read-only section,
3624 then we need a DT_TEXTREL entry. */
3625 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3626 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3627
3628 if ((info->flags & DF_TEXTREL) != 0)
3629 {
3630 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3631 return FALSE;
067653c5 3632 }
37c644f2 3633 }
7a2b07ff
NS
3634 if (htab->vxworks_p
3635 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3636 return FALSE;
37c644f2 3637 }
dc810e39 3638#undef add_dynamic_entry
37c644f2 3639
b34976b6 3640 return TRUE;
37c644f2 3641}
37c644f2 3642\f
8e45593f 3643/* Add a dynamic relocation to the SRELOC section. */
37c644f2 3644
8e45593f
NC
3645inline static bfd_vma
3646sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3647 int reloc_type, long dynindx, bfd_vma addend)
37c644f2 3648{
8e45593f
NC
3649 Elf_Internal_Rela outrel;
3650 bfd_vma reloc_offset;
37c644f2 3651
8e45593f
NC
3652 outrel.r_offset = offset;
3653 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3654 outrel.r_addend = addend;
0ffa91dd 3655
8e45593f
NC
3656 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3657 BFD_ASSERT (reloc_offset < sreloc->size);
3658 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3659 sreloc->contents + reloc_offset);
3660 sreloc->reloc_count++;
37c644f2 3661
8e45593f
NC
3662 return reloc_offset;
3663}
37c644f2 3664
8e45593f 3665/* Add an FDPIC read-only fixup. */
37c644f2 3666
8e45593f
NC
3667inline static void
3668sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3669{
3670 bfd_vma fixup_offset;
3671
3672 fixup_offset = srofixup->reloc_count++ * 4;
3673 BFD_ASSERT (fixup_offset < srofixup->size);
3674 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3675}
3676
3677/* Return the offset of the generated .got section from the
3678 _GLOBAL_OFFSET_TABLE_ symbol. */
3679
3680static bfd_signed_vma
3681sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3682{
3683 return (htab->sgot->output_offset - htab->sgotplt->output_offset
3684 - htab->root.hgot->root.u.def.value);
3685}
3686
3687/* Find the segment number in which OSEC, and output section, is
3688 located. */
3689
3690static unsigned
3691sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3692{
3d301fdc
AM
3693 Elf_Internal_Phdr *p = NULL;
3694
5bc8cb6f
NC
3695 if (output_bfd->xvec->flavour == bfd_target_elf_flavour
3696 /* PR ld/17110: Do not look for output segments in an input bfd. */
3697 && output_bfd->direction != read_direction)
3d301fdc 3698 p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
8e45593f
NC
3699
3700 /* FIXME: Nothing ever says what this index is relative to. The kernel
3701 supplies data in terms of the number of load segments but this is
3702 a phdr index and the first phdr may not be a load segment. */
3703 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3704}
3705
3706static bfd_boolean
3707sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3708{
3709 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3710
3d301fdc
AM
3711 return (seg != (unsigned) -1
3712 && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
8e45593f
NC
3713}
3714
3715/* Generate the initial contents of a local function descriptor, along
3716 with any relocations or fixups required. */
3717static bfd_boolean
3718sh_elf_initialize_funcdesc (bfd *output_bfd,
3719 struct bfd_link_info *info,
3720 struct elf_link_hash_entry *h,
3721 bfd_vma offset,
3722 asection *section,
3723 bfd_vma value)
3724{
3725 struct elf_sh_link_hash_table *htab;
3726 int dynindx;
3727 bfd_vma addr, seg;
3728
3729 htab = sh_elf_hash_table (info);
3730
3731 /* FIXME: The ABI says that the offset to the function goes in the
3732 descriptor, along with the segment index. We're RELA, so it could
3733 go in the reloc instead... */
3734
3735 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3736 {
3737 section = h->root.u.def.section;
3738 value = h->root.u.def.value;
3739 }
3740
3741 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3742 {
3743 dynindx = elf_section_data (section->output_section)->dynindx;
3744 addr = value + section->output_offset;
3745 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3746 }
3747 else
3748 {
3749 BFD_ASSERT (h->dynindx != -1);
3750 dynindx = h->dynindx;
3751 addr = seg = 0;
3752 }
3753
3754 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3755 {
3756 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3757 {
3758 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3759 offset
3760 + htab->sfuncdesc->output_section->vma
3761 + htab->sfuncdesc->output_offset);
3762 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3763 offset + 4
3764 + htab->sfuncdesc->output_section->vma
3765 + htab->sfuncdesc->output_offset);
3766 }
3767
3768 /* There are no dynamic relocations so fill in the final
3769 address and gp value (barring fixups). */
3770 addr += section->output_section->vma;
3771 seg = htab->root.hgot->root.u.def.value
3772 + htab->root.hgot->root.u.def.section->output_section->vma
3773 + htab->root.hgot->root.u.def.section->output_offset;
3774 }
3775 else
3776 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3777 offset
3778 + htab->sfuncdesc->output_section->vma
3779 + htab->sfuncdesc->output_offset,
3780 R_SH_FUNCDESC_VALUE, dynindx, 0);
3781
3782 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3783 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3784
3785 return TRUE;
3786}
3787
3788/* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3789 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3790 otherwise. */
3791
3792static bfd_reloc_status_type
3793install_movi20_field (bfd *output_bfd, unsigned long relocation,
3794 bfd *input_bfd, asection *input_section,
3795 bfd_byte *contents, bfd_vma offset)
3796{
3797 unsigned long cur_val;
3798 bfd_byte *addr;
3799 bfd_reloc_status_type r;
3800
3801 if (offset > bfd_get_section_limit (input_bfd, input_section))
3802 return bfd_reloc_outofrange;
3803
3804 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3805 bfd_arch_bits_per_address (input_bfd), relocation);
3806 if (r != bfd_reloc_ok)
3807 return r;
3808
3809 addr = contents + offset;
3810 cur_val = bfd_get_16 (output_bfd, addr);
3811 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3812 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3813
3814 return bfd_reloc_ok;
3815}
3816
3817/* Relocate an SH ELF section. */
3818
3819static bfd_boolean
3820sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3821 bfd *input_bfd, asection *input_section,
3822 bfd_byte *contents, Elf_Internal_Rela *relocs,
3823 Elf_Internal_Sym *local_syms,
3824 asection **local_sections)
3825{
3826 struct elf_sh_link_hash_table *htab;
3827 Elf_Internal_Shdr *symtab_hdr;
3828 struct elf_link_hash_entry **sym_hashes;
3829 Elf_Internal_Rela *rel, *relend;
e0af1f53 3830 bfd *dynobj = NULL;
8e45593f 3831 bfd_vma *local_got_offsets;
e0af1f53
MR
3832 asection *sgot = NULL;
3833 asection *sgotplt = NULL;
3834 asection *splt = NULL;
3835 asection *sreloc = NULL;
3836 asection *srelgot = NULL;
8e45593f
NC
3837 bfd_boolean is_vxworks_tls;
3838 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
e0af1f53 3839 bfd_boolean fdpic_p = FALSE;
8e45593f
NC
3840
3841 BFD_ASSERT (is_sh_elf (input_bfd));
3842
3843 htab = sh_elf_hash_table (info);
e0af1f53
MR
3844 if (htab != NULL)
3845 {
3846 dynobj = htab->root.dynobj;
3847 sgot = htab->sgot;
3848 sgotplt = htab->sgotplt;
3849 splt = htab->splt;
3850 fdpic_p = htab->fdpic_p;
3851 }
8e45593f
NC
3852 symtab_hdr = &elf_symtab_hdr (input_bfd);
3853 sym_hashes = elf_sym_hashes (input_bfd);
8e45593f
NC
3854 local_got_offsets = elf_local_got_offsets (input_bfd);
3855
3856 isec_segment = sh_elf_osec_to_segment (output_bfd,
3857 input_section->output_section);
e0af1f53 3858 if (fdpic_p && sgot)
8e45593f 3859 got_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3860 sgot->output_section);
8e45593f
NC
3861 else
3862 got_segment = -1;
e0af1f53 3863 if (fdpic_p && splt)
8e45593f 3864 plt_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3865 splt->output_section);
8e45593f
NC
3866 else
3867 plt_segment = -1;
3868
8e45593f
NC
3869 /* We have to handle relocations in vxworks .tls_vars sections
3870 specially, because the dynamic loader is 'weird'. */
e0af1f53 3871 is_vxworks_tls = (htab && htab->vxworks_p && info->shared
8e45593f
NC
3872 && !strcmp (input_section->output_section->name,
3873 ".tls_vars"));
3874
3875 rel = relocs;
3876 relend = relocs + input_section->reloc_count;
3877 for (; rel < relend; rel++)
3878 {
3879 int r_type;
3880 reloc_howto_type *howto;
3881 unsigned long r_symndx;
3882 Elf_Internal_Sym *sym;
3883 asection *sec;
3884 struct elf_link_hash_entry *h;
3885 bfd_vma relocation;
3886 bfd_vma addend = (bfd_vma) 0;
3887 bfd_reloc_status_type r;
3888 int seen_stt_datalabel = 0;
3889 bfd_vma off;
85e02784 3890 enum got_type got_type;
8e45593f
NC
3891 const char *symname = NULL;
3892
3893 r_symndx = ELF32_R_SYM (rel->r_info);
37c644f2 3894
37c644f2
AO
3895 r_type = ELF32_R_TYPE (rel->r_info);
3896
3897 /* Many of the relocs are only used for relaxing, and are
067653c5 3898 handled entirely by the relaxation code. */
d38eb334
DD
3899 if (r_type >= (int) R_SH_GNU_VTINHERIT
3900 && r_type <= (int) R_SH_LABEL)
37c644f2 3901 continue;
c5aeb40f
AO
3902 if (r_type == (int) R_SH_NONE)
3903 continue;
37c644f2
AO
3904
3905 if (r_type < 0
3906 || r_type >= R_SH_max
3907 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3908 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
8e45593f
NC
3909 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3910 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
fbca6ad9
AO
3911 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3912 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3913 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3914 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3915 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3916 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
8e45593f
NC
3917 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
3918 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
37c644f2
AO
3919 {
3920 bfd_set_error (bfd_error_bad_value);
b34976b6 3921 return FALSE;
37c644f2
AO
3922 }
3923
55e6e397 3924 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3925
146be91a 3926 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3927 the relocation. */
146be91a
HPN
3928 if (! howto->partial_inplace)
3929 addend = rel->r_addend;
3930
37c644f2
AO
3931 h = NULL;
3932 sym = NULL;
3933 sec = NULL;
8e45593f
NC
3934 check_segment[0] = -1;
3935 check_segment[1] = -1;
37c644f2
AO
3936 if (r_symndx < symtab_hdr->sh_info)
3937 {
3938 sym = local_syms + r_symndx;
3939 sec = local_sections[r_symndx];
8e45593f
NC
3940
3941 symname = bfd_elf_string_from_elf_section
3942 (input_bfd, symtab_hdr->sh_link, sym->st_name);
3943 if (symname == NULL || *symname == '\0')
3944 symname = bfd_section_name (input_bfd, sec);
3945
37c644f2
AO
3946 relocation = (sec->output_section->vma
3947 + sec->output_offset
3948 + sym->st_value);
fbca6ad9
AO
3949 /* A local symbol never has STO_SH5_ISA32, so we don't need
3950 datalabel processing here. Make sure this does not change
3951 without notice. */
3952 if ((sym->st_other & STO_SH5_ISA32) != 0)
3953 ((*info->callbacks->reloc_dangerous)
3954 (info,
3955 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3956 input_bfd, input_section, rel->r_offset));
ab96bf03 3957
dbaa2011 3958 if (sec != NULL && discarded_section (sec))
ab96bf03
AM
3959 /* Handled below. */
3960 ;
3961 else if (info->relocatable)
8a3975e6 3962 {
1049f94e 3963 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3964 anything, unless the reloc is against a section symbol,
3965 in which case we have to adjust according to where the
3966 section symbol winds up in the output section. */
8a3975e6 3967 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3968 {
3969 if (! howto->partial_inplace)
3970 {
3971 /* For relocations with the addend in the
3972 relocation, we need just to update the addend.
3973 All real relocs are of type partial_inplace; this
3974 code is mostly for completeness. */
ab96bf03 3975 rel->r_addend += sec->output_offset;
146be91a
HPN
3976
3977 continue;
3978 }
3979
3980 /* Relocs of type partial_inplace need to pick up the
3981 contents in the contents and add the offset resulting
3982 from the changed location of the section symbol.
3983 Using _bfd_final_link_relocate (e.g. goto
3984 final_link_relocate) here would be wrong, because
3985 relocations marked pc_relative would get the current
3986 location subtracted, and we must only do that at the
3987 final link. */
3988 r = _bfd_relocate_contents (howto, input_bfd,
3989 sec->output_offset
3990 + sym->st_value,
3991 contents + rel->r_offset);
3992 goto relocation_done;
3993 }
8a3975e6
AO
3994
3995 continue;
3996 }
f8df10f4
JJ
3997 else if (! howto->partial_inplace)
3998 {
8517fae7 3999 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
4000 addend = rel->r_addend;
4001 }
4002 else if ((sec->flags & SEC_MERGE)
4003 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4004 {
4005 asection *msec;
4006
4007 if (howto->rightshift || howto->src_mask != 0xffffffff)
4008 {
4009 (*_bfd_error_handler)
d003868e
AM
4010 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4011 input_bfd, input_section,
f8df10f4 4012 (long) rel->r_offset, howto->name);
b34976b6 4013 return FALSE;
f8df10f4
JJ
4014 }
4015
067653c5
AM
4016 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4017 msec = sec;
4018 addend =
c629eae0 4019 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
4020 - relocation;
4021 addend += msec->output_section->vma + msec->output_offset;
4022 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4023 addend = 0;
4024 }
37c644f2
AO
4025 }
4026 else
4027 {
560e09e9
NC
4028 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4029
ab96bf03 4030 relocation = 0;
37c644f2 4031 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
8e45593f 4032 symname = h->root.root.string;
37c644f2
AO
4033 while (h->root.type == bfd_link_hash_indirect
4034 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
4035 {
4036#ifdef INCLUDE_SHMEDIA
4037 /* If the reference passes a symbol marked with
4038 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4039 doesn't count. */
4040 seen_stt_datalabel |= h->type == STT_DATALABEL;
4041#endif
4042 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4043 }
37c644f2
AO
4044 if (h->root.type == bfd_link_hash_defined
4045 || h->root.type == bfd_link_hash_defweak)
4046 {
b34976b6 4047 bfd_boolean dyn;
067653c5 4048
e0af1f53 4049 dyn = htab ? htab->root.dynamic_sections_created : FALSE;
37c644f2
AO
4050 sec = h->root.u.def.section;
4051 /* In these cases, we don't need the relocation value.
4052 We check specially because in some obscure cases
435b1e90 4053 sec->output_section will be NULL. */
37c644f2 4054 if (r_type == R_SH_GOTPC
fbca6ad9
AO
4055 || r_type == R_SH_GOTPC_LOW16
4056 || r_type == R_SH_GOTPC_MEDLOW16
4057 || r_type == R_SH_GOTPC_MEDHI16
4058 || r_type == R_SH_GOTPC_HI16
4059 || ((r_type == R_SH_PLT32
4060 || r_type == R_SH_PLT_LOW16
4061 || r_type == R_SH_PLT_MEDLOW16
4062 || r_type == R_SH_PLT_MEDHI16
4063 || r_type == R_SH_PLT_HI16)
37c644f2 4064 && h->plt.offset != (bfd_vma) -1)
fbca6ad9 4065 || ((r_type == R_SH_GOT32
8e45593f
NC
4066 || r_type == R_SH_GOT20
4067 || r_type == R_SH_GOTFUNCDESC
4068 || r_type == R_SH_GOTFUNCDESC20
4069 || r_type == R_SH_GOTOFFFUNCDESC
4070 || r_type == R_SH_GOTOFFFUNCDESC20
4071 || r_type == R_SH_FUNCDESC
fbca6ad9
AO
4072 || r_type == R_SH_GOT_LOW16
4073 || r_type == R_SH_GOT_MEDLOW16
4074 || r_type == R_SH_GOT_MEDHI16
4075 || r_type == R_SH_GOT_HI16)
267fb3c1 4076 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
4077 && (! info->shared
4078 || (! info->symbolic && h->dynindx != -1)
f5385ebf 4079 || !h->def_regular))
37c644f2
AO
4080 /* The cases above are those in which relocation is
4081 overwritten in the switch block below. The cases
4082 below are those in which we must defer relocation
4083 to run-time, because we can't resolve absolute
4084 addresses when creating a shared library. */
4085 || (info->shared
4086 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 4087 || !h->def_regular)
37c644f2 4088 && ((r_type == R_SH_DIR32
f5385ebf 4089 && !h->forced_local)
f50ad433
KK
4090 || (r_type == R_SH_REL32
4091 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4092 && ((input_section->flags & SEC_ALLOC) != 0
4093 /* DWARF will emit R_SH_DIR32 relocations in its
4094 sections against symbols defined externally
4095 in shared libraries. We can't do anything
4096 with them here. */
067653c5 4097 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4098 && h->def_dynamic)))
1448fa32
KK
4099 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4100 sections because such sections are not SEC_ALLOC and
4101 thus ld.so will not process them. */
4102 || (sec->output_section == NULL
4103 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4104 && h->def_dynamic))
3376eaf5 4105 || (sec->output_section == NULL
8e45593f
NC
4106 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
4107 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
ab96bf03
AM
4108 ;
4109 else if (sec->output_section != NULL)
4110 relocation = ((h->root.u.def.value
4111 + sec->output_section->vma
4112 + sec->output_offset)
4113 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4114 symbol value, unless we've seen
4115 STT_DATALABEL on the way to it. */
4116 | ((h->other & STO_SH5_ISA32) != 0
4117 && ! seen_stt_datalabel));
1d5316ab
AM
4118 else if (!info->relocatable
4119 && (_bfd_elf_section_offset (output_bfd, info,
4120 input_section,
4121 rel->r_offset)
4122 != (bfd_vma) -1))
37c644f2
AO
4123 {
4124 (*_bfd_error_handler)
843fe662
L
4125 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4126 input_bfd,
4127 input_section,
4128 (long) rel->r_offset,
4129 howto->name,
4130 h->root.root.string);
b34976b6 4131 return FALSE;
37c644f2 4132 }
37c644f2
AO
4133 }
4134 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 4135 ;
59c2e50f 4136 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 4137 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
4138 ;
4139 else if (!info->relocatable)
37c644f2 4140 {
560e09e9
NC
4141 if (! info->callbacks->undefined_symbol
4142 (info, h->root.root.string, input_bfd,
4143 input_section, rel->r_offset,
59c2e50f 4144 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 4145 || ELF_ST_VISIBILITY (h->other))))
b34976b6 4146 return FALSE;
37c644f2
AO
4147 }
4148 }
4149
dbaa2011 4150 if (sec != NULL && discarded_section (sec))
e4067dbb 4151 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 4152 rel, 1, relend, howto, 0, contents);
ab96bf03
AM
4153
4154 if (info->relocatable)
4155 continue;
4156
8e45593f
NC
4157 /* Check for inter-segment relocations in FDPIC files. Most
4158 relocations connect the relocation site to the location of
4159 the target symbol, but there are some exceptions below. */
4160 check_segment[0] = isec_segment;
4161 if (sec != NULL)
4162 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
4163 sec->output_section);
4164 else
4165 check_segment[1] = -1;
4166
435b1e90 4167 switch ((int) r_type)
37c644f2
AO
4168 {
4169 final_link_relocate:
4170 /* COFF relocs don't use the addend. The addend is used for
435b1e90 4171 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
4172 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4173 contents, rel->r_offset,
4174 relocation, addend);
4175 break;
4176
4177 case R_SH_IND12W:
cd6ec716
DD
4178 goto final_link_relocate;
4179
37c644f2
AO
4180 case R_SH_DIR8WPN:
4181 case R_SH_DIR8WPZ:
4182 case R_SH_DIR8WPL:
cd6ec716
DD
4183 /* If the reloc is against the start of this section, then
4184 the assembler has already taken care of it and the reloc
4185 is here only to assist in relaxing. If the reloc is not
4186 against the start of this section, then it's against an
4187 external symbol and we must deal with it ourselves. */
4188 if (input_section->output_section->vma + input_section->output_offset
4189 != relocation)
4190 {
4191 int disp = (relocation
4192 - input_section->output_section->vma
4193 - input_section->output_offset
4194 - rel->r_offset);
4195 int mask = 0;
4196 switch (r_type)
4197 {
4198 case R_SH_DIR8WPN:
4199 case R_SH_DIR8WPZ: mask = 1; break;
4200 case R_SH_DIR8WPL: mask = 3; break;
4201 default: mask = 0; break;
4202 }
4203 if (disp & mask)
4204 {
4205 ((*_bfd_error_handler)
d003868e
AM
4206 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4207 input_section->owner,
cd6ec716
DD
4208 (unsigned long) rel->r_offset));
4209 bfd_set_error (bfd_error_bad_value);
b34976b6 4210 return FALSE;
cd6ec716
DD
4211 }
4212 relocation -= 4;
4213 goto final_link_relocate;
4214 }
4215 r = bfd_reloc_ok;
4216 break;
37c644f2
AO
4217
4218 default:
fbca6ad9
AO
4219#ifdef INCLUDE_SHMEDIA
4220 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4221 contents, rel, &relocation))
4222 goto final_link_relocate;
4223#endif
37c644f2 4224 bfd_set_error (bfd_error_bad_value);
b34976b6 4225 return FALSE;
37c644f2 4226
d38eb334
DD
4227 case R_SH_DIR16:
4228 case R_SH_DIR8:
4229 case R_SH_DIR8U:
4230 case R_SH_DIR8S:
4231 case R_SH_DIR4U:
4232 goto final_link_relocate;
4233
4234 case R_SH_DIR8UL:
4235 case R_SH_DIR4UL:
4236 if (relocation & 3)
4237 {
4238 ((*_bfd_error_handler)
d003868e
AM
4239 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4240 input_section->owner,
68ffbac6 4241 (unsigned long) rel->r_offset, howto->name,
d003868e 4242 (unsigned long) relocation));
d38eb334
DD
4243 bfd_set_error (bfd_error_bad_value);
4244 return FALSE;
4245 }
4246 goto final_link_relocate;
4247
4248 case R_SH_DIR8UW:
4249 case R_SH_DIR8SW:
4250 case R_SH_DIR4UW:
4251 if (relocation & 1)
4252 {
4253 ((*_bfd_error_handler)
d003868e
AM
4254 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4255 input_section->owner,
68ffbac6 4256 (unsigned long) rel->r_offset, howto->name,
d003868e 4257 (unsigned long) relocation));
d38eb334
DD
4258 bfd_set_error (bfd_error_bad_value);
4259 return FALSE;
4260 }
4261 goto final_link_relocate;
4262
4263 case R_SH_PSHA:
4264 if ((signed int)relocation < -32
4265 || (signed int)relocation > 32)
4266 {
4267 ((*_bfd_error_handler)
d003868e
AM
4268 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4269 input_section->owner,
d38eb334 4270 (unsigned long) rel->r_offset,
d003868e 4271 (unsigned long) relocation));
d38eb334
DD
4272 bfd_set_error (bfd_error_bad_value);
4273 return FALSE;
4274 }
4275 goto final_link_relocate;
4276
4277 case R_SH_PSHL:
4278 if ((signed int)relocation < -16
4279 || (signed int)relocation > 16)
4280 {
4281 ((*_bfd_error_handler)
d003868e
AM
4282 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4283 input_section->owner,
d38eb334 4284 (unsigned long) rel->r_offset,
d003868e 4285 (unsigned long) relocation));
d38eb334
DD
4286 bfd_set_error (bfd_error_bad_value);
4287 return FALSE;
4288 }
4289 goto final_link_relocate;
4290
37c644f2
AO
4291 case R_SH_DIR32:
4292 case R_SH_REL32:
46e993b9
KK
4293#ifdef INCLUDE_SHMEDIA
4294 case R_SH_IMM_LOW16_PCREL:
4295 case R_SH_IMM_MEDLOW16_PCREL:
4296 case R_SH_IMM_MEDHI16_PCREL:
4297 case R_SH_IMM_HI16_PCREL:
4298#endif
37c644f2 4299 if (info->shared
04e534c3
KK
4300 && (h == NULL
4301 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4302 || h->root.type != bfd_link_hash_undefweak)
cf35638d 4303 && r_symndx != STN_UNDEF
37c644f2 4304 && (input_section->flags & SEC_ALLOC) != 0
3348747a 4305 && !is_vxworks_tls
46e993b9 4306 && (r_type == R_SH_DIR32
3d85aebe 4307 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4308 {
4309 Elf_Internal_Rela outrel;
947216bf 4310 bfd_byte *loc;
b34976b6 4311 bfd_boolean skip, relocate;
37c644f2
AO
4312
4313 /* When generating a shared object, these relocations
4314 are copied into the output file to be resolved at run
4315 time. */
4316
4317 if (sreloc == NULL)
4318 {
83bac4b0
NC
4319 sreloc = _bfd_elf_get_dynamic_reloc_section
4320 (input_bfd, input_section, /*rela?*/ TRUE);
4321 if (sreloc == NULL)
b34976b6 4322 return FALSE;
37c644f2
AO
4323 }
4324
b34976b6
AM
4325 skip = FALSE;
4326 relocate = FALSE;
37c644f2 4327
c629eae0
JJ
4328 outrel.r_offset =
4329 _bfd_elf_section_offset (output_bfd, info, input_section,
4330 rel->r_offset);
4331 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 4332 skip = TRUE;
0bb2d96a 4333 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 4334 skip = TRUE, relocate = TRUE;
37c644f2
AO
4335 outrel.r_offset += (input_section->output_section->vma
4336 + input_section->output_offset);
4337
4338 if (skip)
0bb2d96a 4339 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
4340 else if (r_type == R_SH_REL32)
4341 {
4342 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 4343 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 4344 outrel.r_addend
55e6e397
RS
4345 = (howto->partial_inplace
4346 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4347 : addend);
37c644f2 4348 }
46e993b9
KK
4349#ifdef INCLUDE_SHMEDIA
4350 else if (r_type == R_SH_IMM_LOW16_PCREL
4351 || r_type == R_SH_IMM_MEDLOW16_PCREL
4352 || r_type == R_SH_IMM_MEDHI16_PCREL
4353 || r_type == R_SH_IMM_HI16_PCREL)
4354 {
4355 BFD_ASSERT (h != NULL && h->dynindx != -1);
4356 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4357 outrel.r_addend = addend;
4358 }
4359#endif
e0af1f53 4360 else if (fdpic_p
8e45593f
NC
4361 && (h == NULL
4362 || ((info->symbolic || h->dynindx == -1)
4363 && h->def_regular)))
4364 {
4365 int dynindx;
4366
4367 BFD_ASSERT (sec != NULL);
4368 BFD_ASSERT (sec->output_section != NULL);
4369 dynindx = elf_section_data (sec->output_section)->dynindx;
4370 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4371 outrel.r_addend = relocation;
4372 outrel.r_addend
4373 += (howto->partial_inplace
4374 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4375 : addend);
4376 outrel.r_addend -= sec->output_section->vma;
4377 }
37c644f2
AO
4378 else
4379 {
4380 /* h->dynindx may be -1 if this symbol was marked to
4381 become local. */
4382 if (h == NULL
4383 || ((info->symbolic || h->dynindx == -1)
f5385ebf 4384 && h->def_regular))
37c644f2 4385 {
55e6e397 4386 relocate = howto->partial_inplace;
37c644f2 4387 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
4388 }
4389 else
4390 {
4391 BFD_ASSERT (h->dynindx != -1);
37c644f2 4392 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 4393 }
55e6e397
RS
4394 outrel.r_addend = relocation;
4395 outrel.r_addend
4396 += (howto->partial_inplace
4397 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4398 : addend);
37c644f2
AO
4399 }
4400
947216bf
AM
4401 loc = sreloc->contents;
4402 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4403 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4404
8e45593f
NC
4405 check_segment[0] = check_segment[1] = -1;
4406
37c644f2
AO
4407 /* If this reloc is against an external symbol, we do
4408 not want to fiddle with the addend. Otherwise, we
4409 need to include the symbol value so that it becomes
4410 an addend for the dynamic reloc. */
4411 if (! relocate)
4412 continue;
4413 }
e0af1f53 4414 else if (fdpic_p && !info->shared
8e45593f
NC
4415 && r_type == R_SH_DIR32
4416 && (input_section->flags & SEC_ALLOC) != 0)
4417 {
4418 bfd_vma offset;
4419
e0af1f53
MR
4420 BFD_ASSERT (htab);
4421
8e45593f
NC
4422 if (sh_elf_osec_readonly_p (output_bfd,
4423 input_section->output_section))
4424 {
4425 (*_bfd_error_handler)
4426 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4427 input_bfd,
4428 input_section,
4429 (long) rel->r_offset,
4430 symname);
4431 return FALSE;
4432 }
4433
4434 offset = _bfd_elf_section_offset (output_bfd, info,
4435 input_section, rel->r_offset);
4436 if (offset != (bfd_vma)-1)
4437 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4438 input_section->output_section->vma
4439 + input_section->output_offset
4440 + rel->r_offset);
4441
4442 check_segment[0] = check_segment[1] = -1;
4443 }
a6f713fc
KK
4444 /* We don't want warnings for non-NULL tests on undefined weak
4445 symbols. */
4446 else if (r_type == R_SH_REL32
4447 && h
4448 && h->root.type == bfd_link_hash_undefweak)
4449 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4450 goto final_link_relocate;
4451
fbca6ad9
AO
4452 case R_SH_GOTPLT32:
4453#ifdef INCLUDE_SHMEDIA
4454 case R_SH_GOTPLT_LOW16:
4455 case R_SH_GOTPLT_MEDLOW16:
4456 case R_SH_GOTPLT_MEDHI16:
4457 case R_SH_GOTPLT_HI16:
4458 case R_SH_GOTPLT10BY4:
4459 case R_SH_GOTPLT10BY8:
4460#endif
4461 /* Relocation is to the entry for this symbol in the
4462 procedure linkage table. */
4463
4464 if (h == NULL
f5385ebf 4465 || h->forced_local
fbca6ad9
AO
4466 || ! info->shared
4467 || info->symbolic
4468 || h->dynindx == -1
4469 || h->plt.offset == (bfd_vma) -1
4470 || h->got.offset != (bfd_vma) -1)
4471 goto force_got;
4472
4473 /* Relocation is to the entry for this symbol in the global
4474 offset table extension for the procedure linkage table. */
fbca6ad9 4475
e0af1f53 4476 BFD_ASSERT (htab);
067653c5 4477 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 4478 relocation = (sgotplt->output_offset
55e6e397
RS
4479 + (get_plt_index (htab->plt_info, h->plt.offset)
4480 + 3) * 4);
fbca6ad9
AO
4481
4482#ifdef GOT_BIAS
4483 relocation -= GOT_BIAS;
4484#endif
4485
4486 goto final_link_relocate;
4487
4488 force_got:
37c644f2 4489 case R_SH_GOT32:
8e45593f 4490 case R_SH_GOT20:
fbca6ad9
AO
4491#ifdef INCLUDE_SHMEDIA
4492 case R_SH_GOT_LOW16:
4493 case R_SH_GOT_MEDLOW16:
4494 case R_SH_GOT_MEDHI16:
4495 case R_SH_GOT_HI16:
4496 case R_SH_GOT10BY4:
4497 case R_SH_GOT10BY8:
4498#endif
37c644f2
AO
4499 /* Relocation is to the entry for this symbol in the global
4500 offset table. */
067653c5 4501
e0af1f53 4502 BFD_ASSERT (htab);
067653c5 4503 BFD_ASSERT (sgot != NULL);
8e45593f 4504 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4505
4506 if (h != NULL)
4507 {
b34976b6 4508 bfd_boolean dyn;
37c644f2
AO
4509
4510 off = h->got.offset;
fbca6ad9
AO
4511#ifdef INCLUDE_SHMEDIA
4512 if (seen_stt_datalabel)
4513 {
4514 struct elf_sh_link_hash_entry *hsh;
4515
4516 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4517 off = hsh->datalabel_got.offset;
fbca6ad9
AO
4518 }
4519#endif
37c644f2
AO
4520 BFD_ASSERT (off != (bfd_vma) -1);
4521
067653c5 4522 dyn = htab->root.dynamic_sections_created;
267fb3c1 4523 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 4524 || (info->shared
3d85aebe 4525 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
4526 || (ELF_ST_VISIBILITY (h->other)
4527 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
4528 {
4529 /* This is actually a static link, or it is a
4530 -Bsymbolic link and the symbol is defined
4531 locally, or the symbol was forced to be local
4532 because of a version file. We must initialize
4533 this entry in the global offset table. Since the
4534 offset must always be a multiple of 4, we use the
4535 least significant bit to record whether we have
4536 initialized it already.
4537
4538 When doing a dynamic link, we create a .rela.got
4539 relocation entry to initialize the value. This
4540 is done in the finish_dynamic_symbol routine. */
4541 if ((off & 1) != 0)
4542 off &= ~1;
4543 else
4544 {
4545 bfd_put_32 (output_bfd, relocation,
4546 sgot->contents + off);
fbca6ad9
AO
4547#ifdef INCLUDE_SHMEDIA
4548 if (seen_stt_datalabel)
4549 {
4550 struct elf_sh_link_hash_entry *hsh;
4551
4552 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4553 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
4554 }
4555 else
4556#endif
4557 h->got.offset |= 1;
8e45593f
NC
4558
4559 /* If we initialize the GOT entry here with a valid
4560 symbol address, also add a fixup. */
e0af1f53 4561 if (fdpic_p && !info->shared
8e45593f
NC
4562 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4563 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4564 || h->root.type != bfd_link_hash_undefweak))
4565 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4566 sgot->output_section->vma
4567 + sgot->output_offset
4568 + off);
37c644f2
AO
4569 }
4570 }
4571
8e45593f 4572 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4573 }
4574 else
4575 {
fbca6ad9
AO
4576#ifdef INCLUDE_SHMEDIA
4577 if (rel->r_addend)
4578 {
4579 BFD_ASSERT (local_got_offsets != NULL
4580 && (local_got_offsets[symtab_hdr->sh_info
4581 + r_symndx]
4582 != (bfd_vma) -1));
4583
4584 off = local_got_offsets[symtab_hdr->sh_info
4585 + r_symndx];
4586 }
4587 else
4588 {
4589#endif
37c644f2
AO
4590 BFD_ASSERT (local_got_offsets != NULL
4591 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4592
4593 off = local_got_offsets[r_symndx];
fbca6ad9
AO
4594#ifdef INCLUDE_SHMEDIA
4595 }
4596#endif
37c644f2
AO
4597
4598 /* The offset must always be a multiple of 4. We use
4599 the least significant bit to record whether we have
4600 already generated the necessary reloc. */
4601 if ((off & 1) != 0)
4602 off &= ~1;
4603 else
4604 {
4605 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4606
4607 if (info->shared)
4608 {
37c644f2 4609 Elf_Internal_Rela outrel;
947216bf 4610 bfd_byte *loc;
37c644f2 4611
3376eaf5
KK
4612 if (srelgot == NULL)
4613 {
3d4d4302
AM
4614 srelgot = bfd_get_linker_section (dynobj,
4615 ".rela.got");
3376eaf5
KK
4616 BFD_ASSERT (srelgot != NULL);
4617 }
37c644f2
AO
4618
4619 outrel.r_offset = (sgot->output_section->vma
4620 + sgot->output_offset
4621 + off);
e0af1f53 4622 if (fdpic_p)
8e45593f
NC
4623 {
4624 int dynindx
4625 = elf_section_data (sec->output_section)->dynindx;
4626 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4627 outrel.r_addend = relocation;
4628 outrel.r_addend -= sec->output_section->vma;
4629 }
4630 else
4631 {
4632 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4633 outrel.r_addend = relocation;
4634 }
947216bf
AM
4635 loc = srelgot->contents;
4636 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4637 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4638 }
e0af1f53 4639 else if (fdpic_p
8e45593f
NC
4640 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4641 == GOT_NORMAL))
4642 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4643 sgot->output_section->vma
4644 + sgot->output_offset
4645 + off);
37c644f2 4646
fbca6ad9
AO
4647#ifdef INCLUDE_SHMEDIA
4648 if (rel->r_addend)
4649 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
4650 else
4651#endif
4652 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
4653 }
4654
8e45593f 4655 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4656 }
4657
fbca6ad9 4658#ifdef GOT_BIAS
067653c5 4659 relocation -= GOT_BIAS;
fbca6ad9
AO
4660#endif
4661
8e45593f
NC
4662 if (r_type == R_SH_GOT20)
4663 {
4664 r = install_movi20_field (output_bfd, relocation + addend,
4665 input_bfd, input_section, contents,
4666 rel->r_offset);
4667 break;
4668 }
4669 else
4670 goto final_link_relocate;
37c644f2
AO
4671
4672 case R_SH_GOTOFF:
8e45593f 4673 case R_SH_GOTOFF20:
fbca6ad9
AO
4674#ifdef INCLUDE_SHMEDIA
4675 case R_SH_GOTOFF_LOW16:
4676 case R_SH_GOTOFF_MEDLOW16:
4677 case R_SH_GOTOFF_MEDHI16:
4678 case R_SH_GOTOFF_HI16:
4679#endif
8e45593f
NC
4680 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4681 we place at the start of the .got.plt section. This is the same
4682 as the start of the output .got section, unless there are function
4683 descriptors in front of it. */
e0af1f53 4684 BFD_ASSERT (htab);
8e45593f
NC
4685 BFD_ASSERT (sgotplt != NULL);
4686 check_segment[0] = got_segment;
4687 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4688 + htab->root.hgot->root.u.def.value;
37c644f2 4689
fbca6ad9
AO
4690#ifdef GOT_BIAS
4691 relocation -= GOT_BIAS;
4692#endif
4693
4694 addend = rel->r_addend;
4695
8e45593f
NC
4696 if (r_type == R_SH_GOTOFF20)
4697 {
4698 r = install_movi20_field (output_bfd, relocation + addend,
4699 input_bfd, input_section, contents,
4700 rel->r_offset);
4701 break;
4702 }
4703 else
4704 goto final_link_relocate;
37c644f2
AO
4705
4706 case R_SH_GOTPC:
fbca6ad9
AO
4707#ifdef INCLUDE_SHMEDIA
4708 case R_SH_GOTPC_LOW16:
4709 case R_SH_GOTPC_MEDLOW16:
4710 case R_SH_GOTPC_MEDHI16:
4711 case R_SH_GOTPC_HI16:
4712#endif
37c644f2
AO
4713 /* Use global offset table as symbol value. */
4714
8e45593f
NC
4715 BFD_ASSERT (sgotplt != NULL);
4716 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
37c644f2 4717
fbca6ad9
AO
4718#ifdef GOT_BIAS
4719 relocation += GOT_BIAS;
4720#endif
4721
4722 addend = rel->r_addend;
4723
37c644f2
AO
4724 goto final_link_relocate;
4725
4726 case R_SH_PLT32:
fbca6ad9
AO
4727#ifdef INCLUDE_SHMEDIA
4728 case R_SH_PLT_LOW16:
4729 case R_SH_PLT_MEDLOW16:
4730 case R_SH_PLT_MEDHI16:
4731 case R_SH_PLT_HI16:
4732#endif
37c644f2
AO
4733 /* Relocation is to the entry for this symbol in the
4734 procedure linkage table. */
4735
4736 /* Resolve a PLT reloc against a local symbol directly,
4737 without using the procedure linkage table. */
4738 if (h == NULL)
4739 goto final_link_relocate;
4740
8e45593f
NC
4741 /* We don't want to warn on calls to undefined weak symbols,
4742 as calls to them must be protected by non-NULL tests
4743 anyway, and unprotected calls would invoke undefined
4744 behavior. */
4745 if (h->root.type == bfd_link_hash_undefweak)
4746 check_segment[0] = check_segment[1] = -1;
4747
f5385ebf 4748 if (h->forced_local)
37c644f2
AO
4749 goto final_link_relocate;
4750
4751 if (h->plt.offset == (bfd_vma) -1)
4752 {
4753 /* We didn't make a PLT entry for this symbol. This
4754 happens when statically linking PIC code, or when
4755 using -Bsymbolic. */
4756 goto final_link_relocate;
4757 }
4758
067653c5 4759 BFD_ASSERT (splt != NULL);
8e45593f 4760 check_segment[1] = plt_segment;
37c644f2
AO
4761 relocation = (splt->output_section->vma
4762 + splt->output_offset
4763 + h->plt.offset);
4764
fbca6ad9
AO
4765#ifdef INCLUDE_SHMEDIA
4766 relocation++;
4767#endif
4768
4769 addend = rel->r_addend;
4770
37c644f2
AO
4771 goto final_link_relocate;
4772
8e45593f
NC
4773 /* Relocation is to the canonical function descriptor for this
4774 symbol, possibly via the GOT. Initialize the GOT
4775 entry and function descriptor if necessary. */
4776 case R_SH_GOTFUNCDESC:
4777 case R_SH_GOTFUNCDESC20:
4778 case R_SH_FUNCDESC:
4779 {
4780 int dynindx = -1;
4781 asection *reloc_section;
4782 bfd_vma reloc_offset;
4783 int reloc_type = R_SH_FUNCDESC;
4784
e0af1f53
MR
4785 BFD_ASSERT (htab);
4786
8e45593f
NC
4787 check_segment[0] = check_segment[1] = -1;
4788
4789 /* FIXME: See what FRV does for global symbols in the
4790 executable, with --export-dynamic. Do they need ld.so
4791 to allocate official descriptors? See what this code
4792 does. */
4793
4794 relocation = 0;
4795 addend = 0;
4796
4797 if (r_type == R_SH_FUNCDESC)
4798 {
4799 reloc_section = input_section;
4800 reloc_offset = rel->r_offset;
4801 }
4802 else
4803 {
e0af1f53 4804 reloc_section = sgot;
8e45593f
NC
4805
4806 if (h != NULL)
4807 reloc_offset = h->got.offset;
4808 else
4809 {
4810 BFD_ASSERT (local_got_offsets != NULL);
4811 reloc_offset = local_got_offsets[r_symndx];
4812 }
4813 BFD_ASSERT (reloc_offset != MINUS_ONE);
4814
4815 if (reloc_offset & 1)
4816 {
4817 reloc_offset &= ~1;
4818 goto funcdesc_done_got;
4819 }
4820 }
4821
4822 if (h && h->root.type == bfd_link_hash_undefweak
4823 && (SYMBOL_CALLS_LOCAL (info, h)
4824 || !htab->root.dynamic_sections_created))
4825 /* Undefined weak symbol which will not be dynamically
4826 resolved later; leave it at zero. */
4827 goto funcdesc_leave_zero;
4828 else if (SYMBOL_CALLS_LOCAL (info, h)
4829 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4830 {
4831 /* If the symbol needs a non-local function descriptor
4832 but binds locally (i.e., its visibility is
4833 protected), emit a dynamic relocation decayed to
4834 section+offset. This is an optimization; the dynamic
4835 linker would resolve our function descriptor request
4836 to our copy of the function anyway. */
4837 dynindx = elf_section_data (h->root.u.def.section
4838 ->output_section)->dynindx;
4839 relocation += h->root.u.def.section->output_offset
4840 + h->root.u.def.value;
4841 }
4842 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4843 {
4844 /* If the symbol is dynamic and there will be dynamic
4845 symbol resolution because we are or are linked with a
4846 shared library, emit a FUNCDESC relocation such that
4847 the dynamic linker will allocate the function
4848 descriptor. */
4849 BFD_ASSERT (h->dynindx != -1);
4850 dynindx = h->dynindx;
4851 }
4852 else
4853 {
4854 bfd_vma offset;
4855
4856 /* Otherwise, we know we have a private function
4857 descriptor, so reference it directly. */
4858 reloc_type = R_SH_DIR32;
4859 dynindx = elf_section_data (htab->sfuncdesc
4860 ->output_section)->dynindx;
4861
4862 if (h)
4863 {
4864 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4865 BFD_ASSERT (offset != MINUS_ONE);
4866 if ((offset & 1) == 0)
4867 {
4868 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4869 offset, NULL, 0))
4870 return FALSE;
4871 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4872 }
4873 }
4874 else
4875 {
4876 union gotref *local_funcdesc;
4877
4878 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4879 offset = local_funcdesc[r_symndx].offset;
4880 BFD_ASSERT (offset != MINUS_ONE);
4881 if ((offset & 1) == 0)
4882 {
4883 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4884 offset, sec,
4885 sym->st_value))
4886 return FALSE;
4887 local_funcdesc[r_symndx].offset |= 1;
4888 }
4889 }
4890
4891 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4892 }
4893
4894 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
4895 {
4896 bfd_vma offset;
4897
4898 if (sh_elf_osec_readonly_p (output_bfd,
4899 reloc_section->output_section))
4900 {
4901 (*_bfd_error_handler)
4902 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4903 input_bfd,
4904 input_section,
4905 (long) rel->r_offset,
4906 symname);
4907 return FALSE;
4908 }
4909
4910 offset = _bfd_elf_section_offset (output_bfd, info,
4911 reloc_section, reloc_offset);
4912
4913 if (offset != (bfd_vma)-1)
4914 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4915 offset
4916 + reloc_section->output_section->vma
4917 + reloc_section->output_offset);
4918 }
4919 else if ((reloc_section->output_section->flags
4920 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
4921 {
4922 bfd_vma offset;
4923
4924 if (sh_elf_osec_readonly_p (output_bfd,
4925 reloc_section->output_section))
4926 {
4927 info->callbacks->warning
4928 (info,
4929 _("cannot emit dynamic relocations in read-only section"),
4930 symname, input_bfd, reloc_section, reloc_offset);
4931 return FALSE;
4932 }
4933
4934 if (srelgot == NULL)
4935 {
3d4d4302 4936 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
8e45593f
NC
4937 BFD_ASSERT (srelgot != NULL);
4938 }
4939
4940 offset = _bfd_elf_section_offset (output_bfd, info,
4941 reloc_section, reloc_offset);
4942
4943 if (offset != (bfd_vma)-1)
4944 sh_elf_add_dyn_reloc (output_bfd, srelgot,
4945 offset
4946 + reloc_section->output_section->vma
4947 + reloc_section->output_offset,
4948 reloc_type, dynindx, relocation);
4949
4950 if (r_type == R_SH_FUNCDESC)
4951 {
4952 r = bfd_reloc_ok;
4953 break;
4954 }
4955 else
4956 {
4957 relocation = 0;
4958 goto funcdesc_leave_zero;
4959 }
4960 }
4961
4962 if (SYMBOL_FUNCDESC_LOCAL (info, h))
4963 relocation += htab->sfuncdesc->output_section->vma;
4964 funcdesc_leave_zero:
4965 if (r_type != R_SH_FUNCDESC)
4966 {
4967 bfd_put_32 (output_bfd, relocation,
4968 reloc_section->contents + reloc_offset);
4969 if (h != NULL)
4970 h->got.offset |= 1;
4971 else
4972 local_got_offsets[r_symndx] |= 1;
4973
4974 funcdesc_done_got:
4975
4976 relocation = sh_elf_got_offset (htab) + reloc_offset;
4977#ifdef GOT_BIAS
4978 relocation -= GOT_BIAS;
4979#endif
4980 }
4981 if (r_type == R_SH_GOTFUNCDESC20)
4982 {
4983 r = install_movi20_field (output_bfd, relocation + addend,
4984 input_bfd, input_section, contents,
4985 rel->r_offset);
4986 break;
4987 }
4988 else
4989 goto final_link_relocate;
4990 }
4991 break;
4992
4993 case R_SH_GOTOFFFUNCDESC:
4994 case R_SH_GOTOFFFUNCDESC20:
4995 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
4996 executable and --export-dynamic. If such symbols get
4997 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
4998 for them. */
e0af1f53 4999 BFD_ASSERT (htab);
8e45593f
NC
5000
5001 check_segment[0] = check_segment[1] = -1;
5002 relocation = 0;
5003 addend = rel->r_addend;
5004
5005 if (h && (h->root.type == bfd_link_hash_undefweak
5006 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
5007 {
5008 _bfd_error_handler
5009 (_("%B(%A+0x%lx): %s relocation against external symbol \"%s\""),
5010 input_bfd, input_section, (long) rel->r_offset, howto->name,
5011 h->root.root.string);
5012 return FALSE;
5013 }
5014 else
5015 {
5016 bfd_vma offset;
5017
5018 /* Otherwise, we know we have a private function
5019 descriptor, so reference it directly. */
5020 if (h)
5021 {
5022 offset = sh_elf_hash_entry (h)->funcdesc.offset;
5023 BFD_ASSERT (offset != MINUS_ONE);
5024 if ((offset & 1) == 0)
5025 {
5026 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
5027 offset, NULL, 0))
5028 return FALSE;
5029 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
5030 }
5031 }
5032 else
5033 {
5034 union gotref *local_funcdesc;
5035
5036 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
5037 offset = local_funcdesc[r_symndx].offset;
5038 BFD_ASSERT (offset != MINUS_ONE);
5039 if ((offset & 1) == 0)
5040 {
5041 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
5042 offset, sec,
5043 sym->st_value))
5044 return FALSE;
5045 local_funcdesc[r_symndx].offset |= 1;
5046 }
5047 }
5048
5049 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
5050 }
5051
e0af1f53
MR
5052 relocation -= (htab->root.hgot->root.u.def.value
5053 + sgotplt->output_offset);
8e45593f
NC
5054#ifdef GOT_BIAS
5055 relocation -= GOT_BIAS;
5056#endif
5057
5058 if (r_type == R_SH_GOTOFFFUNCDESC20)
5059 {
5060 r = install_movi20_field (output_bfd, relocation + addend,
5061 input_bfd, input_section, contents,
5062 rel->r_offset);
5063 break;
5064 }
5065 else
5066 goto final_link_relocate;
5067
37c644f2
AO
5068 case R_SH_LOOP_START:
5069 {
5070 static bfd_vma start, end;
5071
5072 start = (relocation + rel->r_addend
5073 - (sec->output_section->vma + sec->output_offset));
5074 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5075 rel->r_offset, sec, start, end);
5076 break;
5077
5078 case R_SH_LOOP_END:
5079 end = (relocation + rel->r_addend
5080 - (sec->output_section->vma + sec->output_offset));
5081 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5082 rel->r_offset, sec, start, end);
5083 break;
5084 }
3376eaf5
KK
5085
5086 case R_SH_TLS_GD_32:
5087 case R_SH_TLS_IE_32:
e0af1f53 5088 BFD_ASSERT (htab);
8e45593f 5089 check_segment[0] = check_segment[1] = -1;
3376eaf5 5090 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
8e45593f 5091 got_type = GOT_UNKNOWN;
3376eaf5 5092 if (h == NULL && local_got_offsets)
8e45593f 5093 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
3376eaf5
KK
5094 else if (h != NULL)
5095 {
8e45593f 5096 got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5
KK
5097 if (! info->shared
5098 && (h->dynindx == -1
f5385ebf 5099 || h->def_regular))
267fb3c1 5100 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
5101 }
5102
8e45593f 5103 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
3376eaf5
KK
5104 r_type = R_SH_TLS_IE_32;
5105
5106 if (r_type == R_SH_TLS_LE_32)
5107 {
5108 bfd_vma offset;
5109 unsigned short insn;
3376eaf5
KK
5110
5111 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5112 {
5113 /* GD->LE transition:
5114 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 5115 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
5116 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5117 We change it into:
5118 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5119 nop; nop; ...
5120 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5121
5122 offset = rel->r_offset;
5123 BFD_ASSERT (offset >= 16);
5124 /* Size of GD instructions is 16 or 18. */
5125 offset -= 16;
5126 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5127 if ((insn & 0xff00) == 0xc700)
5128 {
5129 BFD_ASSERT (offset >= 2);
5130 offset -= 2;
5131 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5132 }
5133
5134 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5135 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5136 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5137 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5138 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5139 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5140 BFD_ASSERT (insn == 0x310c);
5141 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5142 BFD_ASSERT (insn == 0x410b);
5143 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5144 BFD_ASSERT (insn == 0x34cc);
5145
5146 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5147 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5148 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5149 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5150 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5151 }
5152 else
5153 {
91d6fa6a 5154 int target;
3376eaf5
KK
5155
5156 /* IE->LE transition:
5157 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5158 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5159 We change it into:
5160 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5161 1: x@TPOFF; 2:. */
5162
5163 offset = rel->r_offset;
5164 BFD_ASSERT (offset >= 16);
5165 /* Size of IE instructions is 10 or 12. */
5166 offset -= 10;
5167 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5168 if ((insn & 0xf0ff) == 0x0012)
5169 {
5170 BFD_ASSERT (offset >= 2);
5171 offset -= 2;
5172 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5173 }
5174
5175 BFD_ASSERT ((insn & 0xff00) == 0xd000);
91d6fa6a 5176 target = insn & 0x00ff;
3376eaf5
KK
5177 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5178 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5179 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5180 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
91d6fa6a 5181 insn = 0xd000 | (insn & 0x0f00) | target;
3376eaf5
KK
5182 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5183 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5184 }
5185
267fb3c1
KK
5186 bfd_put_32 (output_bfd, tpoff (info, relocation),
5187 contents + rel->r_offset);
3376eaf5
KK
5188 continue;
5189 }
5190
8e45593f 5191 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5192 abort ();
5193
5194 if (h != NULL)
5195 off = h->got.offset;
5196 else
5197 {
5198 if (local_got_offsets == NULL)
5199 abort ();
5200
5201 off = local_got_offsets[r_symndx];
5202 }
5203
267fb3c1
KK
5204 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5205 if (r_type == R_SH_TLS_IE_32
5206 && ! htab->root.dynamic_sections_created)
5207 {
5208 off &= ~1;
5209 bfd_put_32 (output_bfd, tpoff (info, relocation),
5210 sgot->contents + off);
8e45593f 5211 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
267fb3c1
KK
5212 contents + rel->r_offset);
5213 continue;
5214 }
5215
3376eaf5
KK
5216 if ((off & 1) != 0)
5217 off &= ~1;
26e41594 5218 else
3376eaf5
KK
5219 {
5220 Elf_Internal_Rela outrel;
947216bf 5221 bfd_byte *loc;
3376eaf5
KK
5222 int dr_type, indx;
5223
5224 if (srelgot == NULL)
5225 {
3d4d4302 5226 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
3376eaf5
KK
5227 BFD_ASSERT (srelgot != NULL);
5228 }
5229
5230 outrel.r_offset = (sgot->output_section->vma
5231 + sgot->output_offset + off);
5232
267fb3c1 5233 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
5234 indx = 0;
5235 else
5236 indx = h->dynindx;
267fb3c1 5237
3376eaf5
KK
5238 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5239 R_SH_TLS_TPOFF32);
5240 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5241 outrel.r_addend = relocation - dtpoff_base (info);
5242 else
5243 outrel.r_addend = 0;
5244 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
5245 loc = srelgot->contents;
5246 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5247 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5248
5249 if (r_type == R_SH_TLS_GD_32)
5250 {
5251 if (indx == 0)
5252 {
5253 bfd_put_32 (output_bfd,
5254 relocation - dtpoff_base (info),
5255 sgot->contents + off + 4);
5256 }
5257 else
5258 {
5259 outrel.r_info = ELF32_R_INFO (indx,
5260 R_SH_TLS_DTPOFF32);
5261 outrel.r_offset += 4;
5262 outrel.r_addend = 0;
5263 srelgot->reloc_count++;
947216bf
AM
5264 loc += sizeof (Elf32_External_Rela);
5265 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5266 }
5267 }
5268
5269 if (h != NULL)
5270 h->got.offset |= 1;
5271 else
5272 local_got_offsets[r_symndx] |= 1;
5273 }
5274
5275 if (off >= (bfd_vma) -2)
5276 abort ();
5277
5278 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
8e45593f 5279 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5280 else
5281 {
5282 bfd_vma offset;
5283 unsigned short insn;
5284
5285 /* GD->IE transition:
5286 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5287 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5288 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5289 We change it into:
5290 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5291 nop; nop; bra 3f; nop; .align 2;
5292 1: .long x@TPOFF; 2:...; 3:. */
5293
5294 offset = rel->r_offset;
5295 BFD_ASSERT (offset >= 16);
5296 /* Size of GD instructions is 16 or 18. */
5297 offset -= 16;
5298 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5299 if ((insn & 0xff00) == 0xc700)
5300 {
5301 BFD_ASSERT (offset >= 2);
5302 offset -= 2;
5303 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5304 }
5305
5306 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5307
5308 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5309 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5310
5311 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5312 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5313 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5314 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5315 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5316 BFD_ASSERT (insn == 0x310c);
5317 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5318 BFD_ASSERT (insn == 0x410b);
5319 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5320 BFD_ASSERT (insn == 0x34cc);
5321
5322 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5323 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5324 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5325 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5326 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5327
8e45593f 5328 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
3376eaf5
KK
5329 contents + rel->r_offset);
5330
5331 continue;
5332 }
5333
5334 addend = rel->r_addend;
5335
5336 goto final_link_relocate;
5337
5338 case R_SH_TLS_LD_32:
e0af1f53 5339 BFD_ASSERT (htab);
8e45593f 5340 check_segment[0] = check_segment[1] = -1;
3376eaf5
KK
5341 if (! info->shared)
5342 {
5343 bfd_vma offset;
5344 unsigned short insn;
5345
5346 /* LD->LE transition:
5347 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5348 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5349 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5350 We change it into:
5351 stc gbr,r0; nop; nop; nop;
5352 nop; nop; bra 3f; ...; 3:. */
5353
5354 offset = rel->r_offset;
5355 BFD_ASSERT (offset >= 16);
5356 /* Size of LD instructions is 16 or 18. */
5357 offset -= 16;
5358 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5359 if ((insn & 0xff00) == 0xc700)
5360 {
5361 BFD_ASSERT (offset >= 2);
5362 offset -= 2;
5363 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5364 }
5365
5366 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5367 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5368 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5369 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5370 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5371 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5372 BFD_ASSERT (insn == 0x310c);
5373 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5374 BFD_ASSERT (insn == 0x410b);
5375 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5376 BFD_ASSERT (insn == 0x34cc);
5377
5378 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5379 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5380 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5381 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5382 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5383 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5384
5385 continue;
5386 }
5387
8e45593f 5388 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5389 abort ();
5390
5391 off = htab->tls_ldm_got.offset;
5392 if (off & 1)
5393 off &= ~1;
5394 else
5395 {
5396 Elf_Internal_Rela outrel;
947216bf 5397 bfd_byte *loc;
3376eaf5
KK
5398
5399 srelgot = htab->srelgot;
5400 if (srelgot == NULL)
5401 abort ();
5402
5403 outrel.r_offset = (sgot->output_section->vma
5404 + sgot->output_offset + off);
5405 outrel.r_addend = 0;
5406 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
5407 loc = srelgot->contents;
5408 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5409 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5410 htab->tls_ldm_got.offset |= 1;
5411 }
5412
8e45593f 5413 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5414 addend = rel->r_addend;
5415
5416 goto final_link_relocate;
5417
5418 case R_SH_TLS_LDO_32:
8e45593f 5419 check_segment[0] = check_segment[1] = -1;
3376eaf5 5420 if (! info->shared)
267fb3c1 5421 relocation = tpoff (info, relocation);
3376eaf5
KK
5422 else
5423 relocation -= dtpoff_base (info);
5424
5425 addend = rel->r_addend;
5426 goto final_link_relocate;
5427
5428 case R_SH_TLS_LE_32:
5429 {
5430 int indx;
5431 Elf_Internal_Rela outrel;
947216bf 5432 bfd_byte *loc;
3376eaf5 5433
8e45593f
NC
5434 check_segment[0] = check_segment[1] = -1;
5435
b68593b9 5436 if (! info->shared || info->pie)
267fb3c1
KK
5437 {
5438 relocation = tpoff (info, relocation);
5439 addend = rel->r_addend;
5440 goto final_link_relocate;
5441 }
5442
3376eaf5
KK
5443 if (sreloc == NULL)
5444 {
83bac4b0
NC
5445 sreloc = _bfd_elf_get_dynamic_reloc_section
5446 (input_bfd, input_section, /*rela?*/ TRUE);
5447 if (sreloc == NULL)
b34976b6 5448 return FALSE;
3376eaf5
KK
5449 }
5450
267fb3c1
KK
5451 if (h == NULL || h->dynindx == -1)
5452 indx = 0;
5453 else
5454 indx = h->dynindx;
5455
3376eaf5
KK
5456 outrel.r_offset = (input_section->output_section->vma
5457 + input_section->output_offset
5458 + rel->r_offset);
5459 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5460 if (indx == 0)
5461 outrel.r_addend = relocation - dtpoff_base (info);
5462 else
5463 outrel.r_addend = 0;
3376eaf5 5464
947216bf
AM
5465 loc = sreloc->contents;
5466 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5467 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5468 continue;
5469 }
37c644f2
AO
5470 }
5471
146be91a 5472 relocation_done:
e0af1f53 5473 if (fdpic_p && check_segment[0] != (unsigned) -1
8e45593f
NC
5474 && check_segment[0] != check_segment[1])
5475 {
5476 /* We don't want duplicate errors for undefined symbols. */
5477 if (!h || h->root.type != bfd_link_hash_undefined)
5478 {
5479 if (info->shared)
5480 {
5481 info->callbacks->einfo
5482 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5483 input_bfd, input_section, rel->r_offset, symname);
5484 return FALSE;
5485 }
5486 else
5487 info->callbacks->einfo
5488 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5489 input_bfd, input_section, rel->r_offset, symname);
5490 }
5491
5492 elf_elfheader (output_bfd)->e_flags &= ~EF_SH_PIC;
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 }
5517 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
5518 (info, (h ? &h->root : NULL), name, howto->name,
5519 (bfd_vma) 0, input_bfd, input_section,
5520 rel->r_offset)))
b34976b6 5521 return FALSE;
252b5132
RH
5522 }
5523 break;
5524 }
5525 }
5526 }
5527
b34976b6 5528 return TRUE;
252b5132
RH
5529}
5530
5531/* This is a version of bfd_generic_get_relocated_section_contents
5532 which uses sh_elf_relocate_section. */
5533
5534static bfd_byte *
09fd220b
KK
5535sh_elf_get_relocated_section_contents (bfd *output_bfd,
5536 struct bfd_link_info *link_info,
5537 struct bfd_link_order *link_order,
5538 bfd_byte *data,
5539 bfd_boolean relocatable,
5540 asymbol **symbols)
252b5132
RH
5541{
5542 Elf_Internal_Shdr *symtab_hdr;
5543 asection *input_section = link_order->u.indirect.section;
5544 bfd *input_bfd = input_section->owner;
5545 asection **sections = NULL;
5546 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 5547 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
5548
5549 /* We only need to handle the case of relaxing, or of having a
5550 particular set of section contents, specially. */
1049f94e 5551 if (relocatable
252b5132
RH
5552 || elf_section_data (input_section)->this_hdr.contents == NULL)
5553 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5554 link_order, data,
1049f94e 5555 relocatable,
252b5132
RH
5556 symbols);
5557
0ffa91dd 5558 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
5559
5560 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 5561 (size_t) input_section->size);
252b5132
RH
5562
5563 if ((input_section->flags & SEC_RELOC) != 0
5564 && input_section->reloc_count > 0)
5565 {
252b5132 5566 asection **secpp;
6cdc0ccc 5567 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 5568 bfd_size_type amt;
252b5132 5569
45d6a902 5570 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 5571 (input_bfd, input_section, NULL,
b34976b6 5572 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
5573 if (internal_relocs == NULL)
5574 goto error_return;
5575
6cdc0ccc
AM
5576 if (symtab_hdr->sh_info != 0)
5577 {
5578 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5579 if (isymbuf == NULL)
5580 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5581 symtab_hdr->sh_info, 0,
5582 NULL, NULL, NULL);
5583 if (isymbuf == NULL)
5584 goto error_return;
5585 }
252b5132 5586
9ad5cbcf
AM
5587 amt = symtab_hdr->sh_info;
5588 amt *= sizeof (asection *);
5589 sections = (asection **) bfd_malloc (amt);
5590 if (sections == NULL && amt != 0)
252b5132
RH
5591 goto error_return;
5592
6cdc0ccc
AM
5593 isymend = isymbuf + symtab_hdr->sh_info;
5594 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
5595 {
5596 asection *isec;
5597
6cdc0ccc 5598 if (isym->st_shndx == SHN_UNDEF)
252b5132 5599 isec = bfd_und_section_ptr;
6cdc0ccc 5600 else if (isym->st_shndx == SHN_ABS)
252b5132 5601 isec = bfd_abs_section_ptr;
6cdc0ccc 5602 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
5603 isec = bfd_com_section_ptr;
5604 else
6cdc0ccc 5605 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
5606
5607 *secpp = isec;
5608 }
5609
5610 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5611 input_section, data, internal_relocs,
6cdc0ccc 5612 isymbuf, sections))
252b5132
RH
5613 goto error_return;
5614
5615 if (sections != NULL)
5616 free (sections);
6cdc0ccc
AM
5617 if (isymbuf != NULL
5618 && symtab_hdr->contents != (unsigned char *) isymbuf)
5619 free (isymbuf);
5620 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 5621 free (internal_relocs);
252b5132
RH
5622 }
5623
5624 return data;
5625
5626 error_return:
252b5132
RH
5627 if (sections != NULL)
5628 free (sections);
6cdc0ccc
AM
5629 if (isymbuf != NULL
5630 && symtab_hdr->contents != (unsigned char *) isymbuf)
5631 free (isymbuf);
5632 if (internal_relocs != NULL
5633 && elf_section_data (input_section)->relocs != internal_relocs)
5634 free (internal_relocs);
252b5132
RH
5635 return NULL;
5636}
917583ad 5637
3376eaf5
KK
5638/* Return the base VMA address which should be subtracted from real addresses
5639 when resolving @dtpoff relocation.
5640 This is PT_TLS segment p_vaddr. */
5641
5642static bfd_vma
09fd220b 5643dtpoff_base (struct bfd_link_info *info)
3376eaf5 5644{
e1918d23
AM
5645 /* If tls_sec is NULL, we should have signalled an error already. */
5646 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 5647 return 0;
e1918d23 5648 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
5649}
5650
267fb3c1
KK
5651/* Return the relocation value for R_SH_TLS_TPOFF32.. */
5652
5653static bfd_vma
09fd220b 5654tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 5655{
e1918d23
AM
5656 /* If tls_sec is NULL, we should have signalled an error already. */
5657 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
5658 return 0;
5659 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5660 structure which has 2 pointer fields. */
044ad7e3
KK
5661 return (address - elf_hash_table (info)->tls_sec->vma
5662 + align_power ((bfd_vma) 8,
5663 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
5664}
5665
252b5132 5666static asection *
09fd220b 5667sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
5668 struct bfd_link_info *info,
5669 Elf_Internal_Rela *rel,
5670 struct elf_link_hash_entry *h,
09fd220b 5671 Elf_Internal_Sym *sym)
252b5132
RH
5672{
5673 if (h != NULL)
07adf181
AM
5674 switch (ELF32_R_TYPE (rel->r_info))
5675 {
5676 case R_SH_GNU_VTINHERIT:
5677 case R_SH_GNU_VTENTRY:
5678 return NULL;
5679 }
9ad5cbcf 5680
07adf181 5681 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
5682}
5683
37c644f2
AO
5684/* Update the got entry reference counts for the section being removed. */
5685
b34976b6 5686static bfd_boolean
09fd220b
KK
5687sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5688 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 5689{
067653c5
AM
5690 Elf_Internal_Shdr *symtab_hdr;
5691 struct elf_link_hash_entry **sym_hashes;
5692 bfd_signed_vma *local_got_refcounts;
8e45593f 5693 union gotref *local_funcdesc;
067653c5 5694 const Elf_Internal_Rela *rel, *relend;
067653c5 5695
7dda2462
TG
5696 if (info->relocatable)
5697 return TRUE;
5698
067653c5
AM
5699 elf_section_data (sec)->local_dynrel = NULL;
5700
0ffa91dd 5701 symtab_hdr = &elf_symtab_hdr (abfd);
067653c5
AM
5702 sym_hashes = elf_sym_hashes (abfd);
5703 local_got_refcounts = elf_local_got_refcounts (abfd);
8e45593f 5704 local_funcdesc = sh_elf_local_funcdesc (abfd);
067653c5
AM
5705
5706 relend = relocs + sec->reloc_count;
5707 for (rel = relocs; rel < relend; rel++)
396a6083 5708 {
26e41594
AM
5709 unsigned long r_symndx;
5710 unsigned int r_type;
5711 struct elf_link_hash_entry *h = NULL;
396a6083
SC
5712#ifdef INCLUDE_SHMEDIA
5713 int seen_stt_datalabel = 0;
5714#endif
3376eaf5 5715
396a6083 5716 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 5717 if (r_symndx >= symtab_hdr->sh_info)
396a6083 5718 {
26e41594
AM
5719 struct elf_sh_link_hash_entry *eh;
5720 struct elf_sh_dyn_relocs **pp;
5721 struct elf_sh_dyn_relocs *p;
5722
396a6083 5723 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
5724 while (h->root.type == bfd_link_hash_indirect
5725 || h->root.type == bfd_link_hash_warning)
5726 {
3eb128b2 5727#ifdef INCLUDE_SHMEDIA
396a6083 5728 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 5729#endif
396a6083
SC
5730 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5731 }
26e41594
AM
5732 eh = (struct elf_sh_link_hash_entry *) h;
5733 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5734 if (p->sec == sec)
5735 {
5736 /* Everything must go for SEC. */
5737 *pp = p->next;
5738 break;
5739 }
396a6083 5740 }
067653c5 5741
26e41594
AM
5742 r_type = ELF32_R_TYPE (rel->r_info);
5743 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
5744 {
5745 case R_SH_TLS_LD_32:
5746 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5747 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5748 break;
5749
5750 case R_SH_GOT32:
8e45593f 5751 case R_SH_GOT20:
396a6083 5752 case R_SH_GOTOFF:
8e45593f 5753 case R_SH_GOTOFF20:
396a6083
SC
5754 case R_SH_GOTPC:
5755#ifdef INCLUDE_SHMEDIA
5756 case R_SH_GOT_LOW16:
5757 case R_SH_GOT_MEDLOW16:
5758 case R_SH_GOT_MEDHI16:
5759 case R_SH_GOT_HI16:
5760 case R_SH_GOT10BY4:
5761 case R_SH_GOT10BY8:
5762 case R_SH_GOTOFF_LOW16:
5763 case R_SH_GOTOFF_MEDLOW16:
5764 case R_SH_GOTOFF_MEDHI16:
5765 case R_SH_GOTOFF_HI16:
5766 case R_SH_GOTPC_LOW16:
5767 case R_SH_GOTPC_MEDLOW16:
5768 case R_SH_GOTPC_MEDHI16:
5769 case R_SH_GOTPC_HI16:
5770#endif
5771 case R_SH_TLS_GD_32:
5772 case R_SH_TLS_IE_32:
8e45593f
NC
5773 case R_SH_GOTFUNCDESC:
5774 case R_SH_GOTFUNCDESC20:
396a6083
SC
5775 if (h != NULL)
5776 {
5777#ifdef INCLUDE_SHMEDIA
5778 if (seen_stt_datalabel)
5779 {
26e41594
AM
5780 struct elf_sh_link_hash_entry *eh;
5781 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5782 if (eh->datalabel_got.refcount > 0)
5783 eh->datalabel_got.refcount -= 1;
5784 }
5785 else
5786#endif
5787 if (h->got.refcount > 0)
5788 h->got.refcount -= 1;
5789 }
5790 else if (local_got_refcounts != NULL)
5791 {
5792#ifdef INCLUDE_SHMEDIA
5793 if (rel->r_addend & 1)
5794 {
5795 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5796 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5797 }
5798 else
5799#endif
5800 if (local_got_refcounts[r_symndx] > 0)
5801 local_got_refcounts[r_symndx] -= 1;
5802 }
5803 break;
5804
8e45593f
NC
5805 case R_SH_FUNCDESC:
5806 if (h != NULL)
5807 sh_elf_hash_entry (h)->abs_funcdesc_refcount -= 1;
5808 else if (sh_elf_hash_table (info)->fdpic_p && !info->shared)
5809 sh_elf_hash_table (info)->srofixup->size -= 4;
5810
5811 /* Fall through. */
5812
5813 case R_SH_GOTOFFFUNCDESC:
5814 case R_SH_GOTOFFFUNCDESC20:
5815 if (h != NULL)
5816 sh_elf_hash_entry (h)->funcdesc.refcount -= 1;
5817 else
5818 local_funcdesc[r_symndx].refcount -= 1;
5819 break;
5820
396a6083 5821 case R_SH_DIR32:
8e45593f
NC
5822 if (sh_elf_hash_table (info)->fdpic_p && !info->shared
5823 && (sec->flags & SEC_ALLOC) != 0)
5824 sh_elf_hash_table (info)->srofixup->size -= 4;
5825 /* Fall thru */
5826
396a6083 5827 case R_SH_REL32:
26e41594
AM
5828 if (info->shared)
5829 break;
5830 /* Fall thru */
396a6083
SC
5831
5832 case R_SH_PLT32:
5833#ifdef INCLUDE_SHMEDIA
5834 case R_SH_PLT_LOW16:
5835 case R_SH_PLT_MEDLOW16:
5836 case R_SH_PLT_MEDHI16:
5837 case R_SH_PLT_HI16:
5838#endif
5839 if (h != NULL)
5840 {
5841 if (h->plt.refcount > 0)
5842 h->plt.refcount -= 1;
5843 }
5844 break;
067653c5 5845
396a6083
SC
5846 case R_SH_GOTPLT32:
5847#ifdef INCLUDE_SHMEDIA
5848 case R_SH_GOTPLT_LOW16:
5849 case R_SH_GOTPLT_MEDLOW16:
5850 case R_SH_GOTPLT_MEDHI16:
5851 case R_SH_GOTPLT_HI16:
5852 case R_SH_GOTPLT10BY4:
5853 case R_SH_GOTPLT10BY8:
5854#endif
5855 if (h != NULL)
5856 {
26e41594
AM
5857 struct elf_sh_link_hash_entry *eh;
5858 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 5859 if (eh->gotplt_refcount > 0)
067653c5 5860 {
396a6083
SC
5861 eh->gotplt_refcount -= 1;
5862 if (h->plt.refcount > 0)
5863 h->plt.refcount -= 1;
067653c5 5864 }
067653c5 5865#ifdef INCLUDE_SHMEDIA
396a6083
SC
5866 else if (seen_stt_datalabel)
5867 {
5868 if (eh->datalabel_got.refcount > 0)
5869 eh->datalabel_got.refcount -= 1;
5870 }
067653c5 5871#endif
396a6083
SC
5872 else if (h->got.refcount > 0)
5873 h->got.refcount -= 1;
5874 }
5875 else if (local_got_refcounts != NULL)
5876 {
067653c5 5877#ifdef INCLUDE_SHMEDIA
396a6083
SC
5878 if (rel->r_addend & 1)
5879 {
5880 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5881 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5882 }
5883 else
067653c5 5884#endif
396a6083
SC
5885 if (local_got_refcounts[r_symndx] > 0)
5886 local_got_refcounts[r_symndx] -= 1;
5887 }
5888 break;
067653c5 5889
396a6083
SC
5890 default:
5891 break;
5892 }
5893 }
067653c5 5894
b34976b6 5895 return TRUE;
252b5132
RH
5896}
5897
067653c5
AM
5898/* Copy the extra info we tack onto an elf_link_hash_entry. */
5899
5900static void
fcfa13d2 5901sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
5902 struct elf_link_hash_entry *dir,
5903 struct elf_link_hash_entry *ind)
067653c5
AM
5904{
5905 struct elf_sh_link_hash_entry *edir, *eind;
5906
5907 edir = (struct elf_sh_link_hash_entry *) dir;
5908 eind = (struct elf_sh_link_hash_entry *) ind;
5909
5910 if (eind->dyn_relocs != NULL)
5911 {
5912 if (edir->dyn_relocs != NULL)
5913 {
5914 struct elf_sh_dyn_relocs **pp;
5915 struct elf_sh_dyn_relocs *p;
5916
fcfa13d2 5917 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
5918 list. Merge any entries against the same section. */
5919 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
5920 {
5921 struct elf_sh_dyn_relocs *q;
5922
5923 for (q = edir->dyn_relocs; q != NULL; q = q->next)
5924 if (q->sec == p->sec)
5925 {
5926 q->pc_count += p->pc_count;
5927 q->count += p->count;
5928 *pp = p->next;
5929 break;
5930 }
5931 if (q == NULL)
5932 pp = &p->next;
5933 }
5934 *pp = edir->dyn_relocs;
5935 }
5936
5937 edir->dyn_relocs = eind->dyn_relocs;
5938 eind->dyn_relocs = NULL;
5939 }
4989d792
SC
5940 edir->gotplt_refcount = eind->gotplt_refcount;
5941 eind->gotplt_refcount = 0;
396a6083 5942#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
5943 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
5944 eind->datalabel_got.refcount = 0;
396a6083 5945#endif
8e45593f 5946 edir->funcdesc.refcount += eind->funcdesc.refcount;
68ffbac6 5947 eind->funcdesc.refcount = 0;
8e45593f 5948 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
68ffbac6 5949 eind->abs_funcdesc_refcount = 0;
067653c5 5950
3376eaf5
KK
5951 if (ind->root.type == bfd_link_hash_indirect
5952 && dir->got.refcount <= 0)
5953 {
8e45593f
NC
5954 edir->got_type = eind->got_type;
5955 eind->got_type = GOT_UNKNOWN;
3376eaf5
KK
5956 }
5957
04e534c3 5958 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
5959 && dir->dynamic_adjusted)
5960 {
5961 /* If called to transfer flags for a weakdef during processing
5962 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
5963 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
5964 dir->ref_dynamic |= ind->ref_dynamic;
5965 dir->ref_regular |= ind->ref_regular;
5966 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
5967 dir->needs_plt |= ind->needs_plt;
5968 }
04e534c3 5969 else
fcfa13d2 5970 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
5971}
5972
3376eaf5 5973static int
09fd220b
KK
5974sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
5975 int is_local)
3376eaf5
KK
5976{
5977 if (info->shared)
5978 return r_type;
5979
5980 switch (r_type)
5981 {
5982 case R_SH_TLS_GD_32:
5983 case R_SH_TLS_IE_32:
5984 if (is_local)
5985 return R_SH_TLS_LE_32;
5986 return R_SH_TLS_IE_32;
5987 case R_SH_TLS_LD_32:
5988 return R_SH_TLS_LE_32;
5989 }
5990
5991 return r_type;
5992}
5993
252b5132
RH
5994/* Look through the relocs for a section during the first phase.
5995 Since we don't do .gots or .plts, we just need to consider the
5996 virtual table relocs for gc. */
435b1e90 5997
b34976b6 5998static bfd_boolean
09fd220b
KK
5999sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6000 const Elf_Internal_Rela *relocs)
252b5132
RH
6001{
6002 Elf_Internal_Shdr *symtab_hdr;
5582a088 6003 struct elf_link_hash_entry **sym_hashes;
067653c5 6004 struct elf_sh_link_hash_table *htab;
252b5132
RH
6005 const Elf_Internal_Rela *rel;
6006 const Elf_Internal_Rela *rel_end;
37c644f2 6007 asection *sreloc;
3376eaf5 6008 unsigned int r_type;
85e02784 6009 enum got_type got_type, old_got_type;
435b1e90 6010
37c644f2
AO
6011 sreloc = NULL;
6012
1049f94e 6013 if (info->relocatable)
b34976b6 6014 return TRUE;
435b1e90 6015
0ffa91dd
NC
6016 BFD_ASSERT (is_sh_elf (abfd));
6017
6018 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 6019 sym_hashes = elf_sym_hashes (abfd);
435b1e90 6020
067653c5 6021 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6022 if (htab == NULL)
6023 return FALSE;
6024
252b5132
RH
6025 rel_end = relocs + sec->reloc_count;
6026 for (rel = relocs; rel < rel_end; rel++)
6027 {
6028 struct elf_link_hash_entry *h;
6029 unsigned long r_symndx;
396a6083
SC
6030#ifdef INCLUDE_SHMEDIA
6031 int seen_stt_datalabel = 0;
6032#endif
435b1e90 6033
252b5132 6034 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
6035 r_type = ELF32_R_TYPE (rel->r_info);
6036
252b5132 6037 if (r_symndx < symtab_hdr->sh_info)
435b1e90 6038 h = NULL;
252b5132 6039 else
396a6083
SC
6040 {
6041 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
6042 while (h->root.type == bfd_link_hash_indirect
6043 || h->root.type == bfd_link_hash_warning)
6044 {
973a3492 6045#ifdef INCLUDE_SHMEDIA
396a6083 6046 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 6047#endif
396a6083
SC
6048 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6049 }
81fbe831
AM
6050
6051 /* PR15323, ref flags aren't set for references in the same
6052 object. */
6053 h->root.non_ir_ref = 1;
396a6083 6054 }
435b1e90 6055
3376eaf5
KK
6056 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6057 if (! info->shared
6058 && r_type == R_SH_TLS_IE_32
6059 && h != NULL
6060 && h->root.type != bfd_link_hash_undefined
6061 && h->root.type != bfd_link_hash_undefweak
6062 && (h->dynindx == -1
f5385ebf 6063 || h->def_regular))
3376eaf5
KK
6064 r_type = R_SH_TLS_LE_32;
6065
8e45593f
NC
6066 if (htab->fdpic_p)
6067 switch (r_type)
6068 {
6069 case R_SH_GOTOFFFUNCDESC:
6070 case R_SH_GOTOFFFUNCDESC20:
6071 case R_SH_FUNCDESC:
6072 case R_SH_GOTFUNCDESC:
6073 case R_SH_GOTFUNCDESC20:
6074 if (h != NULL)
6075 {
6076 if (h->dynindx == -1)
6077 switch (ELF_ST_VISIBILITY (h->other))
6078 {
6079 case STV_INTERNAL:
6080 case STV_HIDDEN:
6081 break;
6082 default:
6083 bfd_elf_link_record_dynamic_symbol (info, h);
6084 break;
6085 }
6086 }
6087 break;
6088 }
6089
37c644f2 6090 /* Some relocs require a global offset table. */
067653c5 6091 if (htab->sgot == NULL)
37c644f2 6092 {
3376eaf5 6093 switch (r_type)
37c644f2 6094 {
8e45593f
NC
6095 case R_SH_DIR32:
6096 /* This may require an rofixup. */
6097 if (!htab->fdpic_p)
6098 break;
fbca6ad9 6099 case R_SH_GOTPLT32:
37c644f2 6100 case R_SH_GOT32:
8e45593f 6101 case R_SH_GOT20:
37c644f2 6102 case R_SH_GOTOFF:
8e45593f
NC
6103 case R_SH_GOTOFF20:
6104 case R_SH_FUNCDESC:
6105 case R_SH_GOTFUNCDESC:
6106 case R_SH_GOTFUNCDESC20:
6107 case R_SH_GOTOFFFUNCDESC:
6108 case R_SH_GOTOFFFUNCDESC20:
37c644f2 6109 case R_SH_GOTPC:
fbca6ad9
AO
6110#ifdef INCLUDE_SHMEDIA
6111 case R_SH_GOTPLT_LOW16:
6112 case R_SH_GOTPLT_MEDLOW16:
6113 case R_SH_GOTPLT_MEDHI16:
6114 case R_SH_GOTPLT_HI16:
6115 case R_SH_GOTPLT10BY4:
6116 case R_SH_GOTPLT10BY8:
6117 case R_SH_GOT_LOW16:
6118 case R_SH_GOT_MEDLOW16:
6119 case R_SH_GOT_MEDHI16:
6120 case R_SH_GOT_HI16:
6121 case R_SH_GOT10BY4:
6122 case R_SH_GOT10BY8:
6123 case R_SH_GOTOFF_LOW16:
6124 case R_SH_GOTOFF_MEDLOW16:
6125 case R_SH_GOTOFF_MEDHI16:
6126 case R_SH_GOTOFF_HI16:
6127 case R_SH_GOTPC_LOW16:
6128 case R_SH_GOTPC_MEDLOW16:
6129 case R_SH_GOTPC_MEDHI16:
6130 case R_SH_GOTPC_HI16:
6131#endif
3376eaf5
KK
6132 case R_SH_TLS_GD_32:
6133 case R_SH_TLS_LD_32:
6134 case R_SH_TLS_IE_32:
8e45593f
NC
6135 if (htab->root.dynobj == NULL)
6136 htab->root.dynobj = abfd;
6137 if (!create_got_section (htab->root.dynobj, info))
6138 return FALSE;
37c644f2
AO
6139 break;
6140
6141 default:
6142 break;
6143 }
6144 }
6145
3376eaf5 6146 switch (r_type)
067653c5
AM
6147 {
6148 /* This relocation describes the C++ object vtable hierarchy.
6149 Reconstruct it for later use during GC. */
435b1e90 6150 case R_SH_GNU_VTINHERIT:
c152c796 6151 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 6152 return FALSE;
435b1e90
KH
6153 break;
6154
067653c5
AM
6155 /* This relocation describes which C++ vtable entries are actually
6156 used. Record for later use during GC. */
435b1e90 6157 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
6158 BFD_ASSERT (h != NULL);
6159 if (h != NULL
6160 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 6161 return FALSE;
435b1e90 6162 break;
37c644f2 6163
3376eaf5
KK
6164 case R_SH_TLS_IE_32:
6165 if (info->shared)
6166 info->flags |= DF_STATIC_TLS;
6167
6168 /* FALLTHROUGH */
267fb3c1 6169 force_got:
3376eaf5 6170 case R_SH_TLS_GD_32:
37c644f2 6171 case R_SH_GOT32:
8e45593f 6172 case R_SH_GOT20:
fbca6ad9
AO
6173#ifdef INCLUDE_SHMEDIA
6174 case R_SH_GOT_LOW16:
6175 case R_SH_GOT_MEDLOW16:
6176 case R_SH_GOT_MEDHI16:
6177 case R_SH_GOT_HI16:
6178 case R_SH_GOT10BY4:
6179 case R_SH_GOT10BY8:
6180#endif
8e45593f
NC
6181 case R_SH_GOTFUNCDESC:
6182 case R_SH_GOTFUNCDESC20:
3376eaf5
KK
6183 switch (r_type)
6184 {
6185 default:
8e45593f 6186 got_type = GOT_NORMAL;
3376eaf5
KK
6187 break;
6188 case R_SH_TLS_GD_32:
8e45593f 6189 got_type = GOT_TLS_GD;
3376eaf5
KK
6190 break;
6191 case R_SH_TLS_IE_32:
8e45593f
NC
6192 got_type = GOT_TLS_IE;
6193 break;
6194 case R_SH_GOTFUNCDESC:
6195 case R_SH_GOTFUNCDESC20:
6196 got_type = GOT_FUNCDESC;
3376eaf5
KK
6197 break;
6198 }
6199
37c644f2 6200 if (h != NULL)
3376eaf5 6201 {
396a6083
SC
6202#ifdef INCLUDE_SHMEDIA
6203 if (seen_stt_datalabel)
6204 {
b34976b6
AM
6205 struct elf_sh_link_hash_entry *eh
6206 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
6207
6208 eh->datalabel_got.refcount += 1;
6209 }
6210 else
6211#endif
6212 h->got.refcount += 1;
8e45593f 6213 old_got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5 6214 }
37c644f2
AO
6215 else
6216 {
067653c5
AM
6217 bfd_signed_vma *local_got_refcounts;
6218
435b1e90 6219 /* This is a global offset table entry for a local
067653c5
AM
6220 symbol. */
6221 local_got_refcounts = elf_local_got_refcounts (abfd);
6222 if (local_got_refcounts == NULL)
37c644f2 6223 {
dc810e39 6224 bfd_size_type size;
37c644f2 6225
dc810e39 6226 size = symtab_hdr->sh_info;
067653c5 6227 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
6228#ifdef INCLUDE_SHMEDIA
6229 /* Reserve space for both the datalabel and
6230 codelabel local GOT offsets. */
6231 size *= 2;
6232#endif
3376eaf5 6233 size += symtab_hdr->sh_info;
067653c5
AM
6234 local_got_refcounts = ((bfd_signed_vma *)
6235 bfd_zalloc (abfd, size));
6236 if (local_got_refcounts == NULL)
b34976b6 6237 return FALSE;
067653c5 6238 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
6239#ifdef INCLUDE_SHMEDIA
6240 /* Take care of both the datalabel and codelabel local
6241 GOT offsets. */
8e45593f 6242 sh_elf_local_got_type (abfd)
3376eaf5
KK
6243 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6244#else
8e45593f 6245 sh_elf_local_got_type (abfd)
3376eaf5
KK
6246 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6247#endif
37c644f2 6248 }
396a6083
SC
6249#ifdef INCLUDE_SHMEDIA
6250 if (rel->r_addend & 1)
6251 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6252 else
6253#endif
6254 local_got_refcounts[r_symndx] += 1;
8e45593f 6255 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
3376eaf5
KK
6256 }
6257
6258 /* If a TLS symbol is accessed using IE at least once,
6259 there is no point to use dynamic model for it. */
8e45593f
NC
6260 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
6261 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
3376eaf5 6262 {
8e45593f
NC
6263 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
6264 got_type = GOT_TLS_IE;
3376eaf5
KK
6265 else
6266 {
8e45593f
NC
6267 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
6268 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
6269 (*_bfd_error_handler)
6270 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6271 abfd, h->root.root.string);
6272 else if (old_got_type == GOT_FUNCDESC
6273 || got_type == GOT_FUNCDESC)
6274 (*_bfd_error_handler)
6275 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6276 abfd, h->root.root.string);
6277 else
6278 (*_bfd_error_handler)
d003868e
AM
6279 (_("%B: `%s' accessed both as normal and thread local symbol"),
6280 abfd, h->root.root.string);
b34976b6 6281 return FALSE;
3376eaf5
KK
6282 }
6283 }
6284
8e45593f 6285 if (old_got_type != got_type)
3376eaf5
KK
6286 {
6287 if (h != NULL)
8e45593f 6288 sh_elf_hash_entry (h)->got_type = got_type;
3376eaf5 6289 else
8e45593f 6290 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
37c644f2 6291 }
3376eaf5
KK
6292
6293 break;
6294
6295 case R_SH_TLS_LD_32:
6296 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
6297 break;
6298
8e45593f
NC
6299 case R_SH_FUNCDESC:
6300 case R_SH_GOTOFFFUNCDESC:
6301 case R_SH_GOTOFFFUNCDESC20:
6302 if (rel->r_addend)
6303 {
6304 (*_bfd_error_handler)
6305 (_("%B: Function descriptor relocation with non-zero addend"),
6306 abfd);
6307 return FALSE;
6308 }
6309
6310 if (h == NULL)
6311 {
6312 union gotref *local_funcdesc;
6313
6314 /* We need a function descriptor for a local symbol. */
6315 local_funcdesc = sh_elf_local_funcdesc (abfd);
6316 if (local_funcdesc == NULL)
6317 {
6318 bfd_size_type size;
6319
6320 size = symtab_hdr->sh_info * sizeof (union gotref);
6321#ifdef INCLUDE_SHMEDIA
6322 /* Count datalabel local GOT. */
6323 size *= 2;
6324#endif
6325 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
6326 if (local_funcdesc == NULL)
6327 return FALSE;
6328 sh_elf_local_funcdesc (abfd) = local_funcdesc;
6329 }
6330 local_funcdesc[r_symndx].refcount += 1;
6331
6332 if (r_type == R_SH_FUNCDESC)
6333 {
6334 if (!info->shared)
6335 htab->srofixup->size += 4;
6336 else
6337 htab->srelgot->size += sizeof (Elf32_External_Rela);
6338 }
6339 }
6340 else
6341 {
6342 sh_elf_hash_entry (h)->funcdesc.refcount++;
6343 if (r_type == R_SH_FUNCDESC)
6344 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
6345
6346 /* If there is a function descriptor reference, then
6347 there should not be any non-FDPIC references. */
6348 old_got_type = sh_elf_hash_entry (h)->got_type;
6349 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
6350 {
6351 if (old_got_type == GOT_NORMAL)
6352 (*_bfd_error_handler)
6353 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6354 abfd, h->root.root.string);
6355 else
6356 (*_bfd_error_handler)
6357 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6358 abfd, h->root.root.string);
6359 }
6360 }
6361 break;
6362
fbca6ad9
AO
6363 case R_SH_GOTPLT32:
6364#ifdef INCLUDE_SHMEDIA
6365 case R_SH_GOTPLT_LOW16:
6366 case R_SH_GOTPLT_MEDLOW16:
6367 case R_SH_GOTPLT_MEDHI16:
6368 case R_SH_GOTPLT_HI16:
6369 case R_SH_GOTPLT10BY4:
6370 case R_SH_GOTPLT10BY8:
6371#endif
6372 /* If this is a local symbol, we resolve it directly without
6373 creating a procedure linkage table entry. */
6374
6375 if (h == NULL
f5385ebf 6376 || h->forced_local
fbca6ad9
AO
6377 || ! info->shared
6378 || info->symbolic
067653c5 6379 || h->dynindx == -1)
fbca6ad9
AO
6380 goto force_got;
6381
f5385ebf 6382 h->needs_plt = 1;
067653c5 6383 h->plt.refcount += 1;
4989d792 6384 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
6385
6386 break;
6387
37c644f2 6388 case R_SH_PLT32:
fbca6ad9
AO
6389#ifdef INCLUDE_SHMEDIA
6390 case R_SH_PLT_LOW16:
6391 case R_SH_PLT_MEDLOW16:
6392 case R_SH_PLT_MEDHI16:
6393 case R_SH_PLT_HI16:
6394#endif
37c644f2
AO
6395 /* This symbol requires a procedure linkage table entry. We
6396 actually build the entry in adjust_dynamic_symbol,
6397 because this might be a case of linking PIC code which is
6398 never referenced by a dynamic object, in which case we
6399 don't need to generate a procedure linkage table entry
6400 after all. */
6401
6402 /* If this is a local symbol, we resolve it directly without
6403 creating a procedure linkage table entry. */
6404 if (h == NULL)
6405 continue;
6406
f5385ebf 6407 if (h->forced_local)
37c644f2
AO
6408 break;
6409
f5385ebf 6410 h->needs_plt = 1;
067653c5 6411 h->plt.refcount += 1;
37c644f2
AO
6412 break;
6413
6414 case R_SH_DIR32:
6415 case R_SH_REL32:
46e993b9
KK
6416#ifdef INCLUDE_SHMEDIA
6417 case R_SH_IMM_LOW16_PCREL:
6418 case R_SH_IMM_MEDLOW16_PCREL:
6419 case R_SH_IMM_MEDHI16_PCREL:
6420 case R_SH_IMM_HI16_PCREL:
6421#endif
067653c5
AM
6422 if (h != NULL && ! info->shared)
6423 {
f5385ebf 6424 h->non_got_ref = 1;
067653c5
AM
6425 h->plt.refcount += 1;
6426 }
37c644f2
AO
6427
6428 /* If we are creating a shared library, and this is a reloc
6429 against a global symbol, or a non PC relative reloc
6430 against a local symbol, then we need to copy the reloc
6431 into the shared library. However, if we are linking with
6432 -Bsymbolic, we do not need to copy a reloc against a
6433 global symbol which is defined in an object we are
6434 including in the link (i.e., DEF_REGULAR is set). At
6435 this point we have not seen all the input files, so it is
6436 possible that DEF_REGULAR is not set now but will be set
6437 later (it is never cleared). We account for that
6438 possibility below by storing information in the
067653c5
AM
6439 dyn_relocs field of the hash table entry. A similar
6440 situation occurs when creating shared libraries and symbol
6441 visibility changes render the symbol local.
6442
6443 If on the other hand, we are creating an executable, we
6444 may need to keep relocations for symbols satisfied by a
6445 dynamic library if we manage to avoid copy relocs for the
6446 symbol. */
6447 if ((info->shared
6448 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 6449 && (r_type != R_SH_REL32
067653c5
AM
6450 || (h != NULL
6451 && (! info->symbolic
6452 || h->root.type == bfd_link_hash_defweak
f5385ebf 6453 || !h->def_regular))))
067653c5
AM
6454 || (! info->shared
6455 && (sec->flags & SEC_ALLOC) != 0
6456 && h != NULL
6457 && (h->root.type == bfd_link_hash_defweak
f5385ebf 6458 || !h->def_regular)))
37c644f2 6459 {
067653c5
AM
6460 struct elf_sh_dyn_relocs *p;
6461 struct elf_sh_dyn_relocs **head;
6462
2293c499
AM
6463 if (htab->root.dynobj == NULL)
6464 htab->root.dynobj = abfd;
067653c5 6465
37c644f2
AO
6466 /* When creating a shared object, we must copy these
6467 reloc types into the output file. We create a reloc
6468 section in dynobj and make room for this reloc. */
6469 if (sreloc == NULL)
6470 {
83bac4b0
NC
6471 sreloc = _bfd_elf_make_dynamic_reloc_section
6472 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 6473
37c644f2 6474 if (sreloc == NULL)
83bac4b0 6475 return FALSE;
37c644f2
AO
6476 }
6477
067653c5
AM
6478 /* If this is a global symbol, we count the number of
6479 relocations we need for this symbol. */
6480 if (h != NULL)
6481 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6482 else
37c644f2 6483 {
87d72d41 6484 /* Track dynamic relocs needed for local syms too. */
067653c5 6485 asection *s;
6edfbbad 6486 void *vpp;
87d72d41 6487 Elf_Internal_Sym *isym;
37c644f2 6488
87d72d41
AM
6489 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
6490 abfd, r_symndx);
6491 if (isym == NULL)
b34976b6 6492 return FALSE;
37c644f2 6493
87d72d41
AM
6494 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
6495 if (s == NULL)
6496 s = sec;
6497
6edfbbad
DJ
6498 vpp = &elf_section_data (s)->local_dynrel;
6499 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 6500 }
37c644f2 6501
067653c5
AM
6502 p = *head;
6503 if (p == NULL || p->sec != sec)
6504 {
6505 bfd_size_type amt = sizeof (*p);
2293c499 6506 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 6507 if (p == NULL)
b34976b6 6508 return FALSE;
067653c5
AM
6509 p->next = *head;
6510 *head = p;
6511 p->sec = sec;
6512 p->count = 0;
6513 p->pc_count = 0;
37c644f2 6514 }
067653c5
AM
6515
6516 p->count += 1;
46e993b9
KK
6517 if (r_type == R_SH_REL32
6518#ifdef INCLUDE_SHMEDIA
6519 || r_type == R_SH_IMM_LOW16_PCREL
6520 || r_type == R_SH_IMM_MEDLOW16_PCREL
6521 || r_type == R_SH_IMM_MEDHI16_PCREL
6522 || r_type == R_SH_IMM_HI16_PCREL
6523#endif
6524 )
067653c5 6525 p->pc_count += 1;
37c644f2
AO
6526 }
6527
8e45593f
NC
6528 /* Allocate the fixup regardless of whether we need a relocation.
6529 If we end up generating the relocation, we'll unallocate the
6530 fixup. */
6531 if (htab->fdpic_p && !info->shared
6532 && r_type == R_SH_DIR32
6533 && (sec->flags & SEC_ALLOC) != 0)
6534 htab->srofixup->size += 4;
37c644f2 6535 break;
3376eaf5
KK
6536
6537 case R_SH_TLS_LE_32:
b68593b9 6538 if (info->shared && !info->pie)
3376eaf5 6539 {
d003868e
AM
6540 (*_bfd_error_handler)
6541 (_("%B: TLS local exec code cannot be linked into shared objects"),
6542 abfd);
b34976b6 6543 return FALSE;
3376eaf5
KK
6544 }
6545
267fb3c1 6546 break;
3376eaf5 6547
3376eaf5 6548 case R_SH_TLS_LDO_32:
267fb3c1 6549 /* Nothing to do. */
3376eaf5
KK
6550 break;
6551
6552 default:
6553 break;
435b1e90 6554 }
252b5132 6555 }
435b1e90 6556
b34976b6 6557 return TRUE;
252b5132
RH
6558}
6559
fbca6ad9 6560#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
6561static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6562
b34976b6 6563static bfd_boolean
09fd220b 6564sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 6565{
f6f9408f
JR
6566 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6567
6568 if (flags >= sizeof(sh_ef_bfd_table))
6569 return FALSE;
6570
6571 if (sh_ef_bfd_table[flags] == 0)
6572 return FALSE;
68ffbac6 6573
f6f9408f 6574 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 6575
b34976b6 6576 return TRUE;
d4845d57 6577}
f6f9408f
JR
6578
6579
6580/* Reverse table lookup for sh_ef_bfd_table[].
6581 Given a bfd MACH value from archures.c
6582 return the equivalent ELF flags from the table.
6583 Return -1 if no match is found. */
6584
6585int
6586sh_elf_get_flags_from_mach (unsigned long mach)
6587{
4195f552 6588 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
68ffbac6 6589
f6f9408f
JR
6590 for (; i>0; i--)
6591 if (sh_ef_bfd_table[i] == mach)
6592 return i;
68ffbac6 6593
f6f9408f
JR
6594 /* shouldn't get here */
6595 BFD_FAIL();
6596
6597 return -1;
6598}
fbca6ad9 6599#endif /* not sh_elf_set_mach_from_flags */
d4845d57 6600
fbca6ad9 6601#ifndef sh_elf_copy_private_data
d4845d57 6602/* Copy backend specific data from one object module to another */
435b1e90 6603
b34976b6 6604static bfd_boolean
09fd220b 6605sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 6606{
0ffa91dd
NC
6607 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6608 return TRUE;
6609
e2349352
L
6610 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
6611 return FALSE;
6612
6613 return sh_elf_set_mach_from_flags (obfd);
d4845d57 6614}
fbca6ad9 6615#endif /* not sh_elf_copy_private_data */
d4845d57 6616
fbca6ad9 6617#ifndef sh_elf_merge_private_data
d4845d57 6618
f6f9408f
JR
6619/* This function returns the ELF architecture number that
6620 corresponds to the given arch_sh* flags. */
85fbca6a 6621
f6f9408f
JR
6622int
6623sh_find_elf_flags (unsigned int arch_set)
d4845d57 6624{
85fbca6a 6625 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 6626 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 6627
f6f9408f
JR
6628 return sh_elf_get_flags_from_mach (bfd_mach);
6629}
f6f9408f
JR
6630
6631/* This routine initialises the elf flags when required and
6632 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 6633
f6f9408f
JR
6634static bfd_boolean
6635sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6636{
85fbca6a
NC
6637 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6638
0ffa91dd 6639 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 6640 return TRUE;
d4845d57
JR
6641
6642 if (! elf_flags_init (obfd))
6643 {
a39b79b9 6644 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 6645 elf_flags_init (obfd) = TRUE;
8e45593f 6646 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
f6f9408f 6647 sh_elf_set_mach_from_flags (obfd);
8e45593f
NC
6648 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
6649 elf_elfheader (obfd)->e_flags |= EF_SH_PIC;
d4845d57 6650 }
d4845d57 6651
85fbca6a 6652 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 6653 {
d003868e 6654 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 6655 "with instructions used in previous modules",
d003868e 6656 ibfd);
1d70c7fb
AO
6657 bfd_set_error (bfd_error_bad_value);
6658 return FALSE;
6659 }
f6f9408f 6660
8e45593f
NC
6661 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
6662 elf_elfheader (obfd)->e_flags |=
f6f9408f 6663 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
8e45593f
NC
6664
6665 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
6666 {
6667 _bfd_error_handler ("%B: attempt to mix FDPIC and non-FDPIC objects",
6668 ibfd);
6669 bfd_set_error (bfd_error_bad_value);
6670 return FALSE;
6671 }
6672
f6f9408f 6673 return TRUE;
d4845d57 6674}
fbca6ad9 6675#endif /* not sh_elf_merge_private_data */
d4845d57 6676
3376eaf5
KK
6677/* Override the generic function because we need to store sh_elf_obj_tdata
6678 as the specific tdata. We set also the machine architecture from flags
6679 here. */
6680
b34976b6 6681static bfd_boolean
09fd220b 6682sh_elf_object_p (bfd *abfd)
3376eaf5 6683{
8e45593f
NC
6684 if (! sh_elf_set_mach_from_flags (abfd))
6685 return FALSE;
6686
6687 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
6688 == fdpic_object_p (abfd));
3376eaf5
KK
6689}
6690
37c644f2
AO
6691/* Finish up dynamic symbol handling. We set the contents of various
6692 dynamic sections here. */
6693
b34976b6 6694static bfd_boolean
09fd220b
KK
6695sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6696 struct elf_link_hash_entry *h,
6697 Elf_Internal_Sym *sym)
37c644f2 6698{
067653c5 6699 struct elf_sh_link_hash_table *htab;
37c644f2 6700
067653c5 6701 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6702 if (htab == NULL)
6703 return FALSE;
37c644f2
AO
6704
6705 if (h->plt.offset != (bfd_vma) -1)
6706 {
6707 asection *splt;
8e45593f
NC
6708 asection *sgotplt;
6709 asection *srelplt;
37c644f2
AO
6710
6711 bfd_vma plt_index;
6712 bfd_vma got_offset;
6713 Elf_Internal_Rela rel;
947216bf 6714 bfd_byte *loc;
8e45593f 6715 const struct elf_sh_plt_info *plt_info;
37c644f2
AO
6716
6717 /* This symbol has an entry in the procedure linkage table. Set
6718 it up. */
6719
6720 BFD_ASSERT (h->dynindx != -1);
6721
067653c5 6722 splt = htab->splt;
8e45593f
NC
6723 sgotplt = htab->sgotplt;
6724 srelplt = htab->srelplt;
6725 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
37c644f2
AO
6726
6727 /* Get the index in the procedure linkage table which
6728 corresponds to this symbol. This is the index of this symbol
6729 in all the symbols for which we are making plt entries. The
6730 first entry in the procedure linkage table is reserved. */
55e6e397 6731 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2 6732
8e45593f
NC
6733 plt_info = htab->plt_info;
6734 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6735 plt_info = plt_info->short_plt;
6736
37c644f2 6737 /* Get the offset into the .got table of the entry that
8e45593f
NC
6738 corresponds to this function. */
6739 if (htab->fdpic_p)
6740 /* The offset must be relative to the GOT symbol, twelve bytes
6741 before the end of .got.plt. Each descriptor is eight
6742 bytes. */
6743 got_offset = plt_index * 8 + 12 - sgotplt->size;
6744 else
6745 /* Each .got entry is 4 bytes. The first three are
6746 reserved. */
6747 got_offset = (plt_index + 3) * 4;
37c644f2 6748
fbca6ad9 6749#ifdef GOT_BIAS
c8614e8e
AM
6750 if (info->shared)
6751 got_offset -= GOT_BIAS;
fbca6ad9
AO
6752#endif
6753
37c644f2 6754 /* Fill in the entry in the procedure linkage table. */
55e6e397 6755 memcpy (splt->contents + h->plt.offset,
8e45593f
NC
6756 plt_info->symbol_entry,
6757 plt_info->symbol_entry_size);
55e6e397 6758
8e45593f
NC
6759 if (info->shared || htab->fdpic_p)
6760 {
6761 if (plt_info->symbol_fields.got20)
6762 {
6763 bfd_reloc_status_type r;
6764 r = install_movi20_field (output_bfd, got_offset,
6765 splt->owner, splt, splt->contents,
6766 h->plt.offset
6767 + plt_info->symbol_fields.got_entry);
6768 BFD_ASSERT (r == bfd_reloc_ok);
6769 }
6770 else
6771 install_plt_field (output_bfd, FALSE, got_offset,
6772 (splt->contents
6773 + h->plt.offset
6774 + plt_info->symbol_fields.got_entry));
6775 }
55e6e397 6776 else
37c644f2 6777 {
8e45593f
NC
6778 BFD_ASSERT (!plt_info->symbol_fields.got20);
6779
55e6e397 6780 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6781 (sgotplt->output_section->vma
6782 + sgotplt->output_offset
fbca6ad9 6783 + got_offset),
55e6e397
RS
6784 (splt->contents
6785 + h->plt.offset
8e45593f 6786 + plt_info->symbol_fields.got_entry));
55e6e397 6787 if (htab->vxworks_p)
37c644f2 6788 {
55e6e397
RS
6789 unsigned int reachable_plts, plts_per_4k;
6790 int distance;
6791
6792 /* Divide the PLT into groups. The first group contains
6793 REACHABLE_PLTS entries and the other groups contain
6794 PLTS_PER_4K entries. Entries in the first group can
6795 branch directly to .plt; those in later groups branch
6796 to the last element of the previous group. */
6797 /* ??? It would be better to create multiple copies of
6798 the common resolver stub. */
6799 reachable_plts = ((4096
8e45593f
NC
6800 - plt_info->plt0_entry_size
6801 - (plt_info->symbol_fields.plt + 4))
6802 / plt_info->symbol_entry_size) + 1;
6803 plts_per_4k = (4096 / plt_info->symbol_entry_size);
55e6e397
RS
6804 if (plt_index < reachable_plts)
6805 distance = -(h->plt.offset
8e45593f 6806 + plt_info->symbol_fields.plt);
55e6e397
RS
6807 else
6808 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
8e45593f 6809 * plt_info->symbol_entry_size);
55e6e397
RS
6810
6811 /* Install the 'bra' with this offset. */
6812 bfd_put_16 (output_bfd,
6813 0xa000 | (0x0fff & ((distance - 4) / 2)),
6814 (splt->contents
6815 + h->plt.offset
8e45593f 6816 + plt_info->symbol_fields.plt));
37c644f2 6817 }
55e6e397
RS
6818 else
6819 install_plt_field (output_bfd, TRUE,
6820 splt->output_section->vma + splt->output_offset,
6821 (splt->contents
6822 + h->plt.offset
8e45593f 6823 + plt_info->symbol_fields.plt));
37c644f2
AO
6824 }
6825
8e45593f 6826 /* Make got_offset relative to the start of .got.plt. */
fbca6ad9 6827#ifdef GOT_BIAS
c8614e8e
AM
6828 if (info->shared)
6829 got_offset += GOT_BIAS;
fbca6ad9 6830#endif
8e45593f
NC
6831 if (htab->fdpic_p)
6832 got_offset = plt_index * 8;
fbca6ad9 6833
8e45593f
NC
6834 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6835 install_plt_field (output_bfd, FALSE,
6836 plt_index * sizeof (Elf32_External_Rela),
6837 (splt->contents
6838 + h->plt.offset
6839 + plt_info->symbol_fields.reloc_offset));
37c644f2
AO
6840
6841 /* Fill in the entry in the global offset table. */
6842 bfd_put_32 (output_bfd,
6843 (splt->output_section->vma
6844 + splt->output_offset
6845 + h->plt.offset
8e45593f
NC
6846 + plt_info->symbol_resolve_offset),
6847 sgotplt->contents + got_offset);
6848 if (htab->fdpic_p)
6849 bfd_put_32 (output_bfd,
6850 sh_elf_osec_to_segment (output_bfd,
6851 htab->splt->output_section),
6852 sgotplt->contents + got_offset + 4);
37c644f2
AO
6853
6854 /* Fill in the entry in the .rela.plt section. */
8e45593f
NC
6855 rel.r_offset = (sgotplt->output_section->vma
6856 + sgotplt->output_offset
37c644f2 6857 + got_offset);
8e45593f
NC
6858 if (htab->fdpic_p)
6859 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6860 else
6861 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
37c644f2 6862 rel.r_addend = 0;
fbca6ad9
AO
6863#ifdef GOT_BIAS
6864 rel.r_addend = GOT_BIAS;
6865#endif
8e45593f 6866 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
947216bf 6867 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 6868
55e6e397
RS
6869 if (htab->vxworks_p && !info->shared)
6870 {
6871 /* Create the .rela.plt.unloaded relocations for this PLT entry.
6872 Begin by pointing LOC to the first such relocation. */
6873 loc = (htab->srelplt2->contents
6874 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
6875
6876 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
6877 for the PLT entry's pointer to the .got.plt entry. */
6878 rel.r_offset = (htab->splt->output_section->vma
6879 + htab->splt->output_offset
6880 + h->plt.offset
8e45593f 6881 + plt_info->symbol_fields.got_entry);
55e6e397
RS
6882 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6883 rel.r_addend = got_offset;
6884 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6885 loc += sizeof (Elf32_External_Rela);
6886
6887 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
6888 the .got.plt entry, which initially points to .plt. */
8e45593f
NC
6889 rel.r_offset = (sgotplt->output_section->vma
6890 + sgotplt->output_offset
55e6e397
RS
6891 + got_offset);
6892 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
6893 rel.r_addend = 0;
6894 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6895 }
6896
f5385ebf 6897 if (!h->def_regular)
37c644f2
AO
6898 {
6899 /* Mark the symbol as undefined, rather than as defined in
6900 the .plt section. Leave the value alone. */
6901 sym->st_shndx = SHN_UNDEF;
6902 }
6903 }
6904
3376eaf5 6905 if (h->got.offset != (bfd_vma) -1
8e45593f
NC
6906 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
6907 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
6908 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
37c644f2
AO
6909 {
6910 asection *sgot;
8e45593f 6911 asection *srelgot;
37c644f2 6912 Elf_Internal_Rela rel;
947216bf 6913 bfd_byte *loc;
37c644f2
AO
6914
6915 /* This symbol has an entry in the global offset table. Set it
6916 up. */
6917
067653c5 6918 sgot = htab->sgot;
8e45593f
NC
6919 srelgot = htab->srelgot;
6920 BFD_ASSERT (sgot != NULL && srelgot != NULL);
37c644f2
AO
6921
6922 rel.r_offset = (sgot->output_section->vma
6923 + sgot->output_offset
dc810e39 6924 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 6925
067653c5
AM
6926 /* If this is a static link, or it is a -Bsymbolic link and the
6927 symbol is defined locally or was forced to be local because
6928 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
6929 The entry in the global offset table will already have been
6930 initialized in the relocate_section function. */
6931 if (info->shared
3d85aebe 6932 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2 6933 {
8e45593f
NC
6934 if (htab->fdpic_p)
6935 {
6936 asection *sec = h->root.u.def.section;
6937 int dynindx
6938 = elf_section_data (sec->output_section)->dynindx;
6939
6940 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6941 rel.r_addend = (h->root.u.def.value
6942 + h->root.u.def.section->output_offset);
6943 }
6944 else
6945 {
6946 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6947 rel.r_addend = (h->root.u.def.value
6948 + h->root.u.def.section->output_section->vma
6949 + h->root.u.def.section->output_offset);
6950 }
37c644f2
AO
6951 }
6952 else
6953 {
6954 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6955 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6956 rel.r_addend = 0;
6957 }
6958
8e45593f
NC
6959 loc = srelgot->contents;
6960 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 6961 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
6962 }
6963
396a6083
SC
6964#ifdef INCLUDE_SHMEDIA
6965 {
6966 struct elf_sh_link_hash_entry *eh;
6967
6968 eh = (struct elf_sh_link_hash_entry *) h;
6969 if (eh->datalabel_got.offset != (bfd_vma) -1)
6970 {
6971 asection *sgot;
8e45593f 6972 asection *srelgot;
396a6083 6973 Elf_Internal_Rela rel;
947216bf 6974 bfd_byte *loc;
396a6083
SC
6975
6976 /* This symbol has a datalabel entry in the global offset table.
6977 Set it up. */
6978
6979 sgot = htab->sgot;
8e45593f
NC
6980 srelgot = htab->srelgot;
6981 BFD_ASSERT (sgot != NULL && srelgot != NULL);
396a6083
SC
6982
6983 rel.r_offset = (sgot->output_section->vma
6984 + sgot->output_offset
6985 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6986
6987 /* If this is a static link, or it is a -Bsymbolic link and the
6988 symbol is defined locally or was forced to be local because
6989 of a version file, we just want to emit a RELATIVE reloc.
6990 The entry in the global offset table will already have been
6991 initialized in the relocate_section function. */
6992 if (info->shared
3d85aebe 6993 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083 6994 {
8e45593f
NC
6995 if (htab->fdpic_p)
6996 {
6997 asection *sec = h->root.u.def.section;
6998 int dynindx
6999 = elf_section_data (sec->output_section)->dynindx;
7000
7001 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
7002 rel.r_addend = (h->root.u.def.value
7003 + h->root.u.def.section->output_offset);
7004 }
7005 else
7006 {
7007 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
7008 rel.r_addend = (h->root.u.def.value
7009 + h->root.u.def.section->output_section->vma
7010 + h->root.u.def.section->output_offset);
7011 }
396a6083
SC
7012 }
7013 else
7014 {
7015 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7016 + eh->datalabel_got.offset);
7017 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7018 rel.r_addend = 0;
7019 }
7020
8e45593f
NC
7021 loc = srelgot->contents;
7022 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 7023 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
7024 }
7025 }
7026#endif
7027
f5385ebf 7028 if (h->needs_copy)
37c644f2
AO
7029 {
7030 asection *s;
7031 Elf_Internal_Rela rel;
947216bf 7032 bfd_byte *loc;
37c644f2
AO
7033
7034 /* This symbol needs a copy reloc. Set it up. */
7035
7036 BFD_ASSERT (h->dynindx != -1
7037 && (h->root.type == bfd_link_hash_defined
7038 || h->root.type == bfd_link_hash_defweak));
7039
3d4d4302 7040 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
37c644f2
AO
7041 BFD_ASSERT (s != NULL);
7042
7043 rel.r_offset = (h->root.u.def.value
7044 + h->root.u.def.section->output_section->vma
7045 + h->root.u.def.section->output_offset);
7046 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7047 rel.r_addend = 0;
947216bf
AM
7048 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7049 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
7050 }
7051
55e6e397
RS
7052 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
7053 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
7054 ".got" section. */
9637f6ef 7055 if (h == htab->root.hdynamic
55e6e397 7056 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
7057 sym->st_shndx = SHN_ABS;
7058
b34976b6 7059 return TRUE;
37c644f2
AO
7060}
7061
7062/* Finish up the dynamic sections. */
7063
b34976b6 7064static bfd_boolean
09fd220b 7065sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 7066{
067653c5 7067 struct elf_sh_link_hash_table *htab;
8e45593f 7068 asection *sgotplt;
37c644f2
AO
7069 asection *sdyn;
7070
067653c5 7071 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
7072 if (htab == NULL)
7073 return FALSE;
7074
8e45593f 7075 sgotplt = htab->sgotplt;
3d4d4302 7076 sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
37c644f2 7077
067653c5 7078 if (htab->root.dynamic_sections_created)
37c644f2
AO
7079 {
7080 asection *splt;
7081 Elf32_External_Dyn *dyncon, *dynconend;
7082
8e45593f 7083 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
37c644f2
AO
7084
7085 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 7086 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
7087 for (; dyncon < dynconend; dyncon++)
7088 {
7089 Elf_Internal_Dyn dyn;
37c644f2 7090 asection *s;
067653c5
AM
7091#ifdef INCLUDE_SHMEDIA
7092 const char *name;
7093#endif
37c644f2 7094
2293c499 7095 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
7096
7097 switch (dyn.d_tag)
7098 {
7099 default:
7a2b07ff
NS
7100 if (htab->vxworks_p
7101 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
7102 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
7103 break;
7104
3b587c71
AM
7105#ifdef INCLUDE_SHMEDIA
7106 case DT_INIT:
7107 name = info->init_function;
7108 goto get_sym;
7109
7110 case DT_FINI:
7111 name = info->fini_function;
7112 get_sym:
7113 if (dyn.d_un.d_val != 0)
7114 {
067653c5
AM
7115 struct elf_link_hash_entry *h;
7116
7117 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 7118 FALSE, FALSE, TRUE);
3b587c71
AM
7119 if (h != NULL && (h->other & STO_SH5_ISA32))
7120 {
7121 dyn.d_un.d_val |= 1;
7122 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7123 }
7124 }
7125 break;
7126#endif
7127
37c644f2 7128 case DT_PLTGOT:
8e45593f
NC
7129 BFD_ASSERT (htab->root.hgot != NULL);
7130 s = htab->root.hgot->root.u.def.section;
7131 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
7132 + s->output_section->vma + s->output_offset;
7133 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7134 break;
37c644f2
AO
7135
7136 case DT_JMPREL:
067653c5 7137 s = htab->srelplt->output_section;
37c644f2
AO
7138 BFD_ASSERT (s != NULL);
7139 dyn.d_un.d_ptr = s->vma;
7140 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7141 break;
7142
7143 case DT_PLTRELSZ:
067653c5 7144 s = htab->srelplt->output_section;
37c644f2 7145 BFD_ASSERT (s != NULL);
eea6121a 7146 dyn.d_un.d_val = s->size;
37c644f2
AO
7147 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7148 break;
7149
7150 case DT_RELASZ:
7151 /* My reading of the SVR4 ABI indicates that the
7152 procedure linkage table relocs (DT_JMPREL) should be
7153 included in the overall relocs (DT_RELA). This is
7154 what Solaris does. However, UnixWare can not handle
7155 that case. Therefore, we override the DT_RELASZ entry
7156 here to make it not include the JMPREL relocs. Since
7157 the linker script arranges for .rela.plt to follow all
7158 other relocation sections, we don't have to worry
7159 about changing the DT_RELA entry. */
067653c5 7160 if (htab->srelplt != NULL)
37c644f2 7161 {
067653c5 7162 s = htab->srelplt->output_section;
eea6121a 7163 dyn.d_un.d_val -= s->size;
37c644f2
AO
7164 }
7165 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7166 break;
7167 }
7168 }
7169
7170 /* Fill in the first entry in the procedure linkage table. */
067653c5 7171 splt = htab->splt;
55e6e397 7172 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 7173 {
55e6e397
RS
7174 unsigned int i;
7175
7176 memcpy (splt->contents,
7177 htab->plt_info->plt0_entry,
7178 htab->plt_info->plt0_entry_size);
7179 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
7180 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
7181 install_plt_field (output_bfd, FALSE,
8e45593f
NC
7182 (sgotplt->output_section->vma
7183 + sgotplt->output_offset
55e6e397
RS
7184 + (i * 4)),
7185 (splt->contents
7186 + htab->plt_info->plt0_got_fields[i]));
7187
7188 if (htab->vxworks_p)
37c644f2 7189 {
55e6e397
RS
7190 /* Finalize the .rela.plt.unloaded contents. */
7191 Elf_Internal_Rela rel;
7192 bfd_byte *loc;
7193
7194 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
7195 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
7196 loc = htab->srelplt2->contents;
7197 rel.r_offset = (splt->output_section->vma
7198 + splt->output_offset
7199 + htab->plt_info->plt0_got_fields[2]);
7200 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
7201 rel.r_addend = 8;
7202 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7203 loc += sizeof (Elf32_External_Rela);
7204
7205 /* Fix up the remaining .rela.plt.unloaded relocations.
7206 They may have the wrong symbol index for _G_O_T_ or
7207 _P_L_T_ depending on the order in which symbols were
7208 output. */
7209 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 7210 {
55e6e397
RS
7211 /* The PLT entry's pointer to the .got.plt slot. */
7212 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7213 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
7214 R_SH_DIR32);
7215 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7216 loc += sizeof (Elf32_External_Rela);
7217
7218 /* The .got.plt slot's pointer to .plt. */
7219 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7220 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
7221 R_SH_DIR32);
7222 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7223 loc += sizeof (Elf32_External_Rela);
37c644f2 7224 }
37c644f2
AO
7225 }
7226
7227 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7228 really seem like the right value. */
7229 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7230 }
7231 }
7232
7233 /* Fill in the first three entries in the global offset table. */
8e45593f 7234 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
37c644f2
AO
7235 {
7236 if (sdyn == NULL)
8e45593f 7237 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
37c644f2
AO
7238 else
7239 bfd_put_32 (output_bfd,
7240 sdyn->output_section->vma + sdyn->output_offset,
8e45593f
NC
7241 sgotplt->contents);
7242 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
7243 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
7244 }
37c644f2 7245
8e45593f
NC
7246 if (sgotplt && sgotplt->size > 0)
7247 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
68ffbac6 7248
8e45593f
NC
7249 /* At the very end of the .rofixup section is a pointer to the GOT. */
7250 if (htab->fdpic_p && htab->srofixup != NULL)
7251 {
7252 struct elf_link_hash_entry *hgot = htab->root.hgot;
7253 bfd_vma got_value = hgot->root.u.def.value
7254 + hgot->root.u.def.section->output_section->vma
7255 + hgot->root.u.def.section->output_offset;
7256
7257 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
7258
7259 /* Make sure we allocated and generated the same number of fixups. */
7260 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
067653c5 7261 }
37c644f2 7262
8e45593f
NC
7263 if (htab->srelfuncdesc)
7264 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
7265 == htab->srelfuncdesc->size);
7266
7267 if (htab->srelgot)
7268 BFD_ASSERT (htab->srelgot->reloc_count * sizeof (Elf32_External_Rela)
7269 == htab->srelgot->size);
7270
b34976b6 7271 return TRUE;
37c644f2
AO
7272}
7273
99e4ae17 7274static enum elf_reloc_type_class
7e612e98
AM
7275sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
7276 const asection *rel_sec ATTRIBUTE_UNUSED,
7277 const Elf_Internal_Rela *rela)
99e4ae17 7278{
f51e552e 7279 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
7280 {
7281 case R_SH_RELATIVE:
7282 return reloc_class_relative;
7283 case R_SH_JMP_SLOT:
7284 return reloc_class_plt;
7285 case R_SH_COPY:
7286 return reloc_class_copy;
7287 default:
7288 return reloc_class_normal;
7289 }
7290}
7291
85fbca6a 7292#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 7293/* Support for Linux core dump NOTE sections. */
85fbca6a 7294
b34976b6 7295static bfd_boolean
09fd220b 7296elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7297{
7298 int offset;
eea6121a 7299 unsigned int size;
2bc3c89a
AM
7300
7301 switch (note->descsz)
7302 {
7303 default:
b34976b6 7304 return FALSE;
2bc3c89a
AM
7305
7306 case 168: /* Linux/SH */
7307 /* pr_cursig */
228e534f 7308 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
2bc3c89a
AM
7309
7310 /* pr_pid */
228e534f 7311 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
2bc3c89a
AM
7312
7313 /* pr_reg */
7314 offset = 72;
eea6121a 7315 size = 92;
2bc3c89a
AM
7316
7317 break;
7318 }
7319
7320 /* Make a ".reg/999" section. */
7321 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 7322 size, note->descpos + offset);
2bc3c89a
AM
7323}
7324
b34976b6 7325static bfd_boolean
09fd220b 7326elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7327{
7328 switch (note->descsz)
7329 {
7330 default:
b34976b6 7331 return FALSE;
2bc3c89a
AM
7332
7333 case 124: /* Linux/SH elf_prpsinfo */
228e534f 7334 elf_tdata (abfd)->core->program
2bc3c89a 7335 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 7336 elf_tdata (abfd)->core->command
2bc3c89a
AM
7337 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7338 }
7339
7340 /* Note that for some reason, a spurious space is tacked
7341 onto the end of the args in some (at least one anyway)
7342 implementations, so strip it off if it exists. */
7343
7344 {
228e534f 7345 char *command = elf_tdata (abfd)->core->command;
2bc3c89a
AM
7346 int n = strlen (command);
7347
7348 if (0 < n && command[n - 1] == ' ')
7349 command[n - 1] = '\0';
7350 }
7351
b34976b6 7352 return TRUE;
2bc3c89a 7353}
85fbca6a 7354#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 7355
68ffbac6 7356
1f1799d5
KK
7357/* Return address for Ith PLT stub in section PLT, for relocation REL
7358 or (bfd_vma) -1 if it should not be included. */
7359
7360static bfd_vma
7361sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7362 const arelent *rel ATTRIBUTE_UNUSED)
7363{
55e6e397
RS
7364 const struct elf_sh_plt_info *plt_info;
7365
7366 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
7367 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
7368}
7369
8e45593f
NC
7370/* Decide whether to attempt to turn absptr or lsda encodings in
7371 shared libraries into pcrel within the given input section. */
7372
7373static bfd_boolean
7374sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
7375 struct bfd_link_info *info,
7376 asection *eh_frame_section ATTRIBUTE_UNUSED)
7377{
7378 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7379
7380 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
7381 if (htab->fdpic_p)
7382 return FALSE;
7383
7384 return TRUE;
7385}
7386
7387/* Adjust the contents of an eh_frame_hdr section before they're output. */
7388
7389static bfd_byte
7390sh_elf_encode_eh_address (bfd *abfd,
7391 struct bfd_link_info *info,
7392 asection *osec, bfd_vma offset,
7393 asection *loc_sec, bfd_vma loc_offset,
7394 bfd_vma *encoded)
7395{
7396 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7397 struct elf_link_hash_entry *h;
7398
7399 if (!htab->fdpic_p)
7400 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
7401 loc_offset, encoded);
7402
7403 h = htab->root.hgot;
7404 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
7405
7406 if (! h || (sh_elf_osec_to_segment (abfd, osec)
7407 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
7408 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
7409 loc_sec, loc_offset, encoded);
7410
7411 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
7412 == (sh_elf_osec_to_segment
7413 (abfd, h->root.u.def.section->output_section)));
7414
7415 *encoded = osec->vma + offset
7416 - (h->root.u.def.value
7417 + h->root.u.def.section->output_section->vma
7418 + h->root.u.def.section->output_offset);
7419
7420 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
7421}
7422
85fbca6a 7423#if !defined SH_TARGET_ALREADY_DEFINED
6d00b590 7424#define TARGET_BIG_SYM sh_elf32_vec
252b5132 7425#define TARGET_BIG_NAME "elf32-sh"
6d00b590 7426#define TARGET_LITTLE_SYM sh_elf32_le_vec
252b5132 7427#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
7428#endif
7429
252b5132 7430#define ELF_ARCH bfd_arch_sh
ae95ffa6 7431#define ELF_TARGET_ID SH_ELF_DATA
252b5132 7432#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
7433#ifdef __QNXTARGET__
7434#define ELF_MAXPAGESIZE 0x1000
7435#else
7436#define ELF_MAXPAGESIZE 0x80
7437#endif
252b5132
RH
7438
7439#define elf_symbol_leading_char '_'
7440
7441#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
7442#define bfd_elf32_bfd_reloc_name_lookup \
7443 sh_elf_reloc_name_lookup
252b5132
RH
7444#define elf_info_to_howto sh_elf_info_to_howto
7445#define bfd_elf32_bfd_relax_section sh_elf_relax_section
7446#define elf_backend_relocate_section sh_elf_relocate_section
7447#define bfd_elf32_bfd_get_relocated_section_contents \
7448 sh_elf_get_relocated_section_contents
3376eaf5
KK
7449#define bfd_elf32_mkobject sh_elf_mkobject
7450#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
7451#define bfd_elf32_bfd_copy_private_bfd_data \
7452 sh_elf_copy_private_data
875f7f69 7453#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 7454 sh_elf_merge_private_data
252b5132 7455
067653c5
AM
7456#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7457#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7458#define elf_backend_check_relocs sh_elf_check_relocs
7459#define elf_backend_copy_indirect_symbol \
7460 sh_elf_copy_indirect_symbol
37c644f2
AO
7461#define elf_backend_create_dynamic_sections \
7462 sh_elf_create_dynamic_sections
7463#define bfd_elf32_bfd_link_hash_table_create \
7464 sh_elf_link_hash_table_create
7465#define elf_backend_adjust_dynamic_symbol \
7466 sh_elf_adjust_dynamic_symbol
55e6e397
RS
7467#define elf_backend_always_size_sections \
7468 sh_elf_always_size_sections
37c644f2
AO
7469#define elf_backend_size_dynamic_sections \
7470 sh_elf_size_dynamic_sections
8e45593f 7471#define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
37c644f2
AO
7472#define elf_backend_finish_dynamic_symbol \
7473 sh_elf_finish_dynamic_symbol
7474#define elf_backend_finish_dynamic_sections \
7475 sh_elf_finish_dynamic_sections
99e4ae17 7476#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 7477#define elf_backend_plt_sym_val sh_elf_plt_sym_val
8e45593f
NC
7478#define elf_backend_can_make_relative_eh_frame \
7479 sh_elf_use_relative_eh_frame
7480#define elf_backend_can_make_lsda_relative_eh_frame \
7481 sh_elf_use_relative_eh_frame
7482#define elf_backend_encode_eh_address \
7483 sh_elf_encode_eh_address
37c644f2 7484
04c3a755 7485#define elf_backend_stack_align 8
067653c5
AM
7486#define elf_backend_can_gc_sections 1
7487#define elf_backend_can_refcount 1
37c644f2
AO
7488#define elf_backend_want_got_plt 1
7489#define elf_backend_plt_readonly 1
7490#define elf_backend_want_plt_sym 0
7491#define elf_backend_got_header_size 12
ed71e111 7492
85fbca6a 7493#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 7494
252b5132 7495#include "elf32-target.h"
ed71e111 7496
2bc3c89a
AM
7497/* NetBSD support. */
7498#undef TARGET_BIG_SYM
6d00b590 7499#define TARGET_BIG_SYM sh_elf32_nbsd_vec
2bc3c89a
AM
7500#undef TARGET_BIG_NAME
7501#define TARGET_BIG_NAME "elf32-sh-nbsd"
7502#undef TARGET_LITTLE_SYM
6d00b590 7503#define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec
2bc3c89a
AM
7504#undef TARGET_LITTLE_NAME
7505#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7506#undef ELF_MAXPAGESIZE
7507#define ELF_MAXPAGESIZE 0x10000
24718e3b 7508#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
7509#undef elf_symbol_leading_char
7510#define elf_symbol_leading_char 0
571fe01f 7511#undef elf32_bed
2bc3c89a
AM
7512#define elf32_bed elf32_sh_nbsd_bed
7513
7514#include "elf32-target.h"
7515
2bc3c89a
AM
7516
7517/* Linux support. */
7518#undef TARGET_BIG_SYM
6d00b590 7519#define TARGET_BIG_SYM sh_elf32_linux_be_vec
2bc3c89a
AM
7520#undef TARGET_BIG_NAME
7521#define TARGET_BIG_NAME "elf32-shbig-linux"
7522#undef TARGET_LITTLE_SYM
6d00b590 7523#define TARGET_LITTLE_SYM sh_elf32_linux_vec
2bc3c89a
AM
7524#undef TARGET_LITTLE_NAME
7525#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
7526#undef ELF_COMMONPAGESIZE
7527#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
7528
7529#undef elf_backend_grok_prstatus
7530#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7531#undef elf_backend_grok_psinfo
7532#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 7533#undef elf32_bed
2bc3c89a
AM
7534#define elf32_bed elf32_sh_lin_bed
7535
7536#include "elf32-target.h"
7537
8e45593f
NC
7538
7539/* FDPIC support. */
7540#undef TARGET_BIG_SYM
6d00b590 7541#define TARGET_BIG_SYM sh_elf32_fdpic_be_vec
8e45593f
NC
7542#undef TARGET_BIG_NAME
7543#define TARGET_BIG_NAME "elf32-shbig-fdpic"
7544#undef TARGET_LITTLE_SYM
6d00b590 7545#define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec
8e45593f
NC
7546#undef TARGET_LITTLE_NAME
7547#define TARGET_LITTLE_NAME "elf32-sh-fdpic"
8e45593f
NC
7548
7549#undef elf32_bed
7550#define elf32_bed elf32_sh_fd_bed
7551
7552#include "elf32-target.h"
7553
7554#undef elf_backend_modify_program_headers
7555
7556/* VxWorks support. */
55e6e397 7557#undef TARGET_BIG_SYM
6d00b590 7558#define TARGET_BIG_SYM sh_elf32_vxworks_vec
55e6e397
RS
7559#undef TARGET_BIG_NAME
7560#define TARGET_BIG_NAME "elf32-sh-vxworks"
7561#undef TARGET_LITTLE_SYM
6d00b590 7562#define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec
55e6e397
RS
7563#undef TARGET_LITTLE_NAME
7564#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
7565#undef elf32_bed
7566#define elf32_bed elf32_sh_vxworks_bed
7567
7568#undef elf_backend_want_plt_sym
7569#define elf_backend_want_plt_sym 1
7570#undef elf_symbol_leading_char
7571#define elf_symbol_leading_char '_'
7572#define elf_backend_want_got_underscore 1
7573#undef elf_backend_grok_prstatus
7574#undef elf_backend_grok_psinfo
7575#undef elf_backend_add_symbol_hook
7576#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
7577#undef elf_backend_link_output_symbol_hook
7578#define elf_backend_link_output_symbol_hook \
7579 elf_vxworks_link_output_symbol_hook
7580#undef elf_backend_emit_relocs
7581#define elf_backend_emit_relocs elf_vxworks_emit_relocs
7582#undef elf_backend_final_write_processing
7583#define elf_backend_final_write_processing \
7584 elf_vxworks_final_write_processing
7585#undef ELF_MAXPAGESIZE
7586#define ELF_MAXPAGESIZE 0x1000
7587#undef ELF_COMMONPAGESIZE
7588
7589#include "elf32-target.h"
7590
85fbca6a 7591#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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