2010-08-04 Tristan Gingold <gingold@adacore.com>
[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
CommitLineData
ef230218 1/* Renesas / SuperH SH specific support for 32-bit ELF
22d606e9 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4dfe6ac6 3 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
252b5132
RH
4 Contributed by Ian Lance Taylor, Cygnus Support.
5
571fe01f 6 This file is part of BFD, the Binary File Descriptor library.
252b5132 7
571fe01f
NC
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
cd123cb7 10 the Free Software Foundation; either version 3 of the License, or
571fe01f 11 (at your option) any later version.
252b5132 12
571fe01f
NC
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
252b5132 17
571fe01f
NC
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
cd123cb7
NC
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
252b5132 22
252b5132 23#include "sysdep.h"
3db64b00 24#include "bfd.h"
252b5132
RH
25#include "bfdlink.h"
26#include "libbfd.h"
27#include "elf-bfd.h"
55e6e397 28#include "elf-vxworks.h"
252b5132 29#include "elf/sh.h"
8e45593f 30#include "dwarf2.h"
f6f9408f 31#include "libiberty.h"
871ec896 32#include "../opcodes/sh-opc.h"
252b5132
RH
33
34static bfd_reloc_status_type sh_elf_reloc
09fd220b 35 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
252b5132 36static bfd_reloc_status_type sh_elf_ignore_reloc
09fd220b 37 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
b34976b6 38static bfd_boolean sh_elf_relax_delete_bytes
09fd220b 39 (bfd *, asection *, bfd_vma, int);
b34976b6 40static bfd_boolean sh_elf_align_loads
09fd220b 41 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
85fbca6a 42#ifndef SH64_ELF
b34976b6 43static bfd_boolean sh_elf_swap_insns
09fd220b 44 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
85fbca6a 45#endif
3376eaf5 46static int sh_elf_optimized_tls_reloc
09fd220b 47 (struct bfd_link_info *, int, int);
3376eaf5 48static bfd_vma dtpoff_base
09fd220b 49 (struct bfd_link_info *);
267fb3c1 50static bfd_vma tpoff
09fd220b 51 (struct bfd_link_info *, bfd_vma);
37c644f2
AO
52
53/* The name of the dynamic interpreter. This is put in the .interp
54 section. */
55
56#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
252b5132 57
8e45593f
NC
58/* FDPIC binaries have a default 128K stack. */
59#define DEFAULT_STACK_SIZE 0x20000
60
55e6e397 61#define MINUS_ONE ((bfd_vma) 0 - 1)
8e45593f
NC
62
63/* Decide whether a reference to a symbol can be resolved locally or
64 not. If the symbol is protected, we want the local address, but
65 its function descriptor must be assigned by the dynamic linker. */
66#define SYMBOL_FUNCDESC_LOCAL(INFO, H) \
67 (SYMBOL_REFERENCES_LOCAL (INFO, H) \
68 || ! elf_hash_table (INFO)->dynamic_sections_created)
55e6e397
RS
69\f
70#define SH_PARTIAL32 TRUE
71#define SH_SRC_MASK32 0xffffffff
72#define SH_ELF_RELOC sh_elf_reloc
38b1a46c
NC
73static reloc_howto_type sh_elf_howto_table[] =
74{
55e6e397
RS
75#include "elf32-sh-relocs.h"
76};
fbca6ad9 77
55e6e397
RS
78#define SH_PARTIAL32 FALSE
79#define SH_SRC_MASK32 0
80#define SH_ELF_RELOC bfd_elf_generic_reloc
81static reloc_howto_type sh_vxworks_howto_table[] =
82{
83#include "elf32-sh-relocs.h"
84};
85\f
86/* Return true if OUTPUT_BFD is a VxWorks object. */
fbca6ad9 87
55e6e397 88static bfd_boolean
527a23b8 89vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
55e6e397 90{
527a23b8 91#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
55e6e397
RS
92 extern const bfd_target bfd_elf32_shlvxworks_vec;
93 extern const bfd_target bfd_elf32_shvxworks_vec;
fbca6ad9 94
55e6e397
RS
95 return (abfd->xvec == &bfd_elf32_shlvxworks_vec
96 || abfd->xvec == &bfd_elf32_shvxworks_vec);
527a23b8
NC
97#else
98 return FALSE;
99#endif
55e6e397 100}
fbca6ad9 101
8e45593f
NC
102/* Return true if OUTPUT_BFD is an FDPIC object. */
103
104static bfd_boolean
105fdpic_object_p (bfd *abfd ATTRIBUTE_UNUSED)
106{
107#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
108 extern const bfd_target bfd_elf32_shfd_vec;
109 extern const bfd_target bfd_elf32_shbfd_vec;
110
111 return (abfd->xvec == &bfd_elf32_shfd_vec
112 || abfd->xvec == &bfd_elf32_shbfd_vec);
113#else
114 return FALSE;
115#endif
116}
117
55e6e397 118/* Return the howto table for ABFD. */
fbca6ad9 119
55e6e397
RS
120static reloc_howto_type *
121get_howto_table (bfd *abfd)
122{
123 if (vxworks_object_p (abfd))
124 return sh_vxworks_howto_table;
125 return sh_elf_howto_table;
126}
252b5132 127
015551fc 128static bfd_reloc_status_type
09fd220b
KK
129sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
130 asection *input_section, bfd_byte *contents,
131 bfd_vma addr, asection *symbol_section,
132 bfd_vma start, bfd_vma end)
015551fc
JR
133{
134 static bfd_vma last_addr;
00fdaf47 135 static asection *last_symbol_section;
015551fc
JR
136 bfd_byte *start_ptr, *ptr, *last_ptr;
137 int diff, cum_diff;
138 bfd_signed_vma x;
139 int insn;
140
141 /* Sanity check the address. */
07515404 142 if (addr > bfd_get_section_limit (input_bfd, input_section))
015551fc
JR
143 return bfd_reloc_outofrange;
144
145 /* We require the start and end relocations to be processed consecutively -
146 although we allow then to be processed forwards or backwards. */
147 if (! last_addr)
148 {
149 last_addr = addr;
150 last_symbol_section = symbol_section;
151 return bfd_reloc_ok;
152 }
153 if (last_addr != addr)
154 abort ();
155 last_addr = 0;
156
157 if (! symbol_section || last_symbol_section != symbol_section || end < start)
158 return bfd_reloc_outofrange;
159
160 /* Get the symbol_section contents. */
161 if (symbol_section != input_section)
162 {
163 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
164 contents = elf_section_data (symbol_section)->this_hdr.contents;
165 else
166 {
eea6121a
AM
167 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
168 &contents))
015551fc 169 {
eea6121a
AM
170 if (contents != NULL)
171 free (contents);
015551fc
JR
172 return bfd_reloc_outofrange;
173 }
174 }
175 }
176#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
177 start_ptr = contents + start;
178 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
179 {
180 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
181 ptr -= 2;
182 ptr += 2;
61ff1804 183 diff = (last_ptr - ptr) >> 1;
015551fc
JR
184 cum_diff += diff & 1;
185 cum_diff += diff;
186 }
187 /* Calculate the start / end values to load into rs / re minus four -
188 so that will cancel out the four we would otherwise have to add to
189 addr to get the value to subtract in order to get relative addressing. */
190 if (cum_diff >= 0)
191 {
192 start -= 4;
193 end = (ptr + cum_diff * 2) - contents;
194 }
195 else
196 {
197 bfd_vma start0 = start - 4;
198
a0fc8ba1 199 while (start0 && IS_PPI (contents + start0))
015551fc
JR
200 start0 -= 2;
201 start0 = start - 2 - ((start - start0) & 2);
202 start = start0 - cum_diff - 2;
203 end = start0;
204 }
205
6cdc0ccc
AM
206 if (contents != NULL
207 && elf_section_data (symbol_section)->this_hdr.contents != contents)
208 free (contents);
015551fc
JR
209
210 insn = bfd_get_16 (input_bfd, contents + addr);
211
212 x = (insn & 0x200 ? end : start) - addr;
213 if (input_section != symbol_section)
214 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
215 - (input_section->output_section->vma
216 + input_section->output_offset));
217 x >>= 1;
218 if (x < -128 || x > 127)
219 return bfd_reloc_overflow;
220
61ff1804 221 x = (insn & ~0xff) | (x & 0xff);
dc810e39 222 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
015551fc
JR
223
224 return bfd_reloc_ok;
225}
226
227/* This function is used for normal relocs. This used to be like the COFF
252b5132
RH
228 function, and is almost certainly incorrect for other ELF targets. */
229
230static bfd_reloc_status_type
09fd220b
KK
231sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
232 void *data, asection *input_section, bfd *output_bfd,
233 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
234{
235 unsigned long insn;
236 bfd_vma sym_value;
237 enum elf_sh_reloc_type r_type;
238 bfd_vma addr = reloc_entry->address;
239 bfd_byte *hit_data = addr + (bfd_byte *) data;
240
241 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
242
243 if (output_bfd != NULL)
244 {
245 /* Partial linking--do nothing. */
246 reloc_entry->address += input_section->output_offset;
247 return bfd_reloc_ok;
248 }
249
250 /* Almost all relocs have to do with relaxing. If any work must be
251 done for them, it has been done in sh_relax_section. */
015551fc 252 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
252b5132
RH
253 return bfd_reloc_ok;
254
255 if (symbol_in != NULL
256 && bfd_is_und_section (symbol_in->section))
257 return bfd_reloc_undefined;
258
259 if (bfd_is_com_section (symbol_in->section))
435b1e90
KH
260 sym_value = 0;
261 else
252b5132
RH
262 sym_value = (symbol_in->value +
263 symbol_in->section->output_section->vma +
264 symbol_in->section->output_offset);
265
266 switch (r_type)
267 {
268 case R_SH_DIR32:
269 insn = bfd_get_32 (abfd, hit_data);
270 insn += sym_value + reloc_entry->addend;
dc810e39 271 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
272 break;
273 case R_SH_IND12W:
274 insn = bfd_get_16 (abfd, hit_data);
275 sym_value += reloc_entry->addend;
276 sym_value -= (input_section->output_section->vma
277 + input_section->output_offset
278 + addr
279 + 4);
280 sym_value += (insn & 0xfff) << 1;
281 if (insn & 0x800)
282 sym_value -= 0x1000;
283 insn = (insn & 0xf000) | (sym_value & 0xfff);
dc810e39 284 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
285 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
286 return bfd_reloc_overflow;
287 break;
288 default:
289 abort ();
290 break;
291 }
292
293 return bfd_reloc_ok;
294}
295
296/* This function is used for relocs which are only used for relaxing,
297 which the linker should otherwise ignore. */
298
299static bfd_reloc_status_type
09fd220b
KK
300sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
301 asymbol *symbol ATTRIBUTE_UNUSED,
302 void *data ATTRIBUTE_UNUSED, asection *input_section,
303 bfd *output_bfd,
304 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
305{
306 if (output_bfd != NULL)
307 reloc_entry->address += input_section->output_offset;
308 return bfd_reloc_ok;
309}
310
311/* This structure is used to map BFD reloc codes to SH ELF relocs. */
312
38b1a46c
NC
313struct elf_reloc_map
314{
252b5132
RH
315 bfd_reloc_code_real_type bfd_reloc_val;
316 unsigned char elf_reloc_val;
317};
318
319/* An array mapping BFD reloc codes to SH ELF relocs. */
320
38b1a46c
NC
321static const struct elf_reloc_map sh_reloc_map[] =
322{
252b5132
RH
323 { BFD_RELOC_NONE, R_SH_NONE },
324 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
325 { BFD_RELOC_16, R_SH_DIR16 },
326 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
327 { BFD_RELOC_CTOR, R_SH_DIR32 },
328 { BFD_RELOC_32_PCREL, R_SH_REL32 },
329 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
330 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
331 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
332 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
333 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
334 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
335 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
336 { BFD_RELOC_SH_USES, R_SH_USES },
337 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
338 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
339 { BFD_RELOC_SH_CODE, R_SH_CODE },
340 { BFD_RELOC_SH_DATA, R_SH_DATA },
341 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
342 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
343 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
344 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
345 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
346 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
347 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
348 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
349 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
350 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
351 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
352 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
353 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
354 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
355 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
356 { BFD_RELOC_SH_COPY, R_SH_COPY },
357 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
358 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
359 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
360 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
361 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9 362 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
8e45593f
NC
363 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
364 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
365 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
366 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
367 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
368 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
369 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
fbca6ad9
AO
370#ifdef INCLUDE_SHMEDIA
371 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
372 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
373 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
374 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
375 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
376 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
377 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
378 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
379 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
380 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
381 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
382 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
383 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
384 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
385 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
386 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
387 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
388 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
389 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
390 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
391 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
392 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
393 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
394 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
395 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
396 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
397 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
398 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
399 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
400 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
401 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
402 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
403 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
404 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
405 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
406 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
407 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
408 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
409 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
410 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
411 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
412 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
413 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
414 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
415 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
416 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
417 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
418 { BFD_RELOC_64, R_SH_64 },
419 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
420#endif /* not INCLUDE_SHMEDIA */
252b5132
RH
421};
422
423/* Given a BFD reloc code, return the howto structure for the
55e6e397 424 corresponding SH ELF reloc. */
252b5132
RH
425
426static reloc_howto_type *
55e6e397 427sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
428{
429 unsigned int i;
430
431 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
432 {
433 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 434 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
435 }
436
437 return NULL;
438}
439
157090f7
AM
440static reloc_howto_type *
441sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
442{
443 unsigned int i;
444
445 if (vxworks_object_p (abfd))
446 {
447 for (i = 0;
448 i < (sizeof (sh_vxworks_howto_table)
449 / sizeof (sh_vxworks_howto_table[0]));
450 i++)
451 if (sh_vxworks_howto_table[i].name != NULL
452 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
453 return &sh_vxworks_howto_table[i];
454 }
455 else
456 {
457 for (i = 0;
458 i < (sizeof (sh_elf_howto_table)
459 / sizeof (sh_elf_howto_table[0]));
460 i++)
461 if (sh_elf_howto_table[i].name != NULL
462 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
463 return &sh_elf_howto_table[i];
464 }
465
466 return NULL;
467}
468
252b5132
RH
469/* Given an ELF reloc, fill in the howto field of a relent. */
470
471static void
55e6e397 472sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
473{
474 unsigned int r;
475
476 r = ELF32_R_TYPE (dst->r_info);
477
478 BFD_ASSERT (r < (unsigned int) R_SH_max);
479 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
06bb75c1 480 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
fbca6ad9
AO
481 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
482 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
3376eaf5 483 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
8e45593f 484 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_6 || r > R_SH_LAST_INVALID_RELOC_6);
252b5132 485
55e6e397 486 cache_ptr->howto = get_howto_table (abfd) + r;
252b5132
RH
487}
488\f
489/* This function handles relaxing for SH ELF. See the corresponding
490 function in coff-sh.c for a description of what this does. FIXME:
491 There is a lot of duplication here between this code and the COFF
492 specific code. The format of relocs and symbols is wound deeply
493 into this code, but it would still be better if the duplication
494 could be eliminated somehow. Note in particular that although both
495 functions use symbols like R_SH_CODE, those symbols have different
496 values; in coff-sh.c they come from include/coff/sh.h, whereas here
497 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
498
b34976b6 499static bfd_boolean
09fd220b
KK
500sh_elf_relax_section (bfd *abfd, asection *sec,
501 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
502{
503 Elf_Internal_Shdr *symtab_hdr;
504 Elf_Internal_Rela *internal_relocs;
b34976b6 505 bfd_boolean have_code;
252b5132
RH
506 Elf_Internal_Rela *irel, *irelend;
507 bfd_byte *contents = NULL;
6cdc0ccc 508 Elf_Internal_Sym *isymbuf = NULL;
252b5132 509
b34976b6 510 *again = FALSE;
252b5132 511
1049f94e 512 if (link_info->relocatable
252b5132
RH
513 || (sec->flags & SEC_RELOC) == 0
514 || sec->reloc_count == 0)
b34976b6 515 return TRUE;
252b5132 516
fbca6ad9
AO
517#ifdef INCLUDE_SHMEDIA
518 if (elf_section_data (sec)->this_hdr.sh_flags
519 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
520 {
b34976b6 521 return TRUE;
fbca6ad9
AO
522 }
523#endif
524
0ffa91dd 525 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 526
45d6a902 527 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 528 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
529 link_info->keep_memory));
530 if (internal_relocs == NULL)
531 goto error_return;
252b5132 532
b34976b6 533 have_code = FALSE;
252b5132
RH
534
535 irelend = internal_relocs + sec->reloc_count;
536 for (irel = internal_relocs; irel < irelend; irel++)
537 {
538 bfd_vma laddr, paddr, symval;
539 unsigned short insn;
540 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
541 bfd_signed_vma foff;
542
543 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 544 have_code = TRUE;
252b5132
RH
545
546 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
547 continue;
548
549 /* Get the section contents. */
550 if (contents == NULL)
551 {
552 if (elf_section_data (sec)->this_hdr.contents != NULL)
553 contents = elf_section_data (sec)->this_hdr.contents;
554 else
555 {
eea6121a 556 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
557 goto error_return;
558 }
559 }
560
561 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
562 the register load. The 4 is because the r_addend field is
563 computed as though it were a jump offset, which are based
564 from 4 bytes after the jump instruction. */
252b5132 565 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 566 if (laddr >= sec->size)
252b5132 567 {
d003868e
AM
568 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
569 abfd,
252b5132
RH
570 (unsigned long) irel->r_offset);
571 continue;
572 }
573 insn = bfd_get_16 (abfd, contents + laddr);
574
575 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 576 do. */
252b5132
RH
577 if ((insn & 0xf000) != 0xd000)
578 {
579 ((*_bfd_error_handler)
d003868e
AM
580 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
581 abfd, (unsigned long) irel->r_offset, insn));
252b5132
RH
582 continue;
583 }
584
585 /* Get the address from which the register is being loaded. The
99e4ae17
AJ
586 displacement in the mov.l instruction is quadrupled. It is a
587 displacement from four bytes after the movl instruction, but,
588 before adding in the PC address, two least significant bits
589 of the PC are cleared. We assume that the section is aligned
590 on a four byte boundary. */
252b5132
RH
591 paddr = insn & 0xff;
592 paddr *= 4;
dc810e39 593 paddr += (laddr + 4) &~ (bfd_vma) 3;
eea6121a 594 if (paddr >= sec->size)
252b5132
RH
595 {
596 ((*_bfd_error_handler)
d003868e
AM
597 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
598 abfd, (unsigned long) irel->r_offset));
252b5132
RH
599 continue;
600 }
601
602 /* Get the reloc for the address from which the register is
067653c5
AM
603 being loaded. This reloc will tell us which function is
604 actually being called. */
252b5132
RH
605 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
606 if (irelfn->r_offset == paddr
607 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
608 break;
609 if (irelfn >= irelend)
610 {
611 ((*_bfd_error_handler)
d003868e
AM
612 (_("%B: 0x%lx: warning: could not find expected reloc"),
613 abfd, (unsigned long) paddr));
252b5132
RH
614 continue;
615 }
616
617 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 618 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 619 {
6cdc0ccc
AM
620 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
621 if (isymbuf == NULL)
622 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
623 symtab_hdr->sh_info, 0,
624 NULL, NULL, NULL);
625 if (isymbuf == NULL)
626 goto error_return;
252b5132
RH
627 }
628
629 /* Get the value of the symbol referred to by the reloc. */
630 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
631 {
9ad5cbcf 632 /* A local symbol. */
6cdc0ccc 633 Elf_Internal_Sym *isym;
252b5132 634
6cdc0ccc
AM
635 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
636 if (isym->st_shndx
d426c6b0 637 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132
RH
638 {
639 ((*_bfd_error_handler)
d003868e
AM
640 (_("%B: 0x%lx: warning: symbol in unexpected section"),
641 abfd, (unsigned long) paddr));
252b5132
RH
642 continue;
643 }
644
6cdc0ccc 645 symval = (isym->st_value
252b5132
RH
646 + sec->output_section->vma
647 + sec->output_offset);
648 }
649 else
650 {
651 unsigned long indx;
652 struct elf_link_hash_entry *h;
653
654 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
655 h = elf_sym_hashes (abfd)[indx];
656 BFD_ASSERT (h != NULL);
657 if (h->root.type != bfd_link_hash_defined
658 && h->root.type != bfd_link_hash_defweak)
659 {
660 /* This appears to be a reference to an undefined
067653c5
AM
661 symbol. Just ignore it--it will be caught by the
662 regular reloc processing. */
252b5132
RH
663 continue;
664 }
665
666 symval = (h->root.u.def.value
667 + h->root.u.def.section->output_section->vma
668 + h->root.u.def.section->output_offset);
669 }
670
55e6e397
RS
671 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
672 symval += bfd_get_32 (abfd, contents + paddr);
673 else
674 symval += irelfn->r_addend;
252b5132
RH
675
676 /* See if this function call can be shortened. */
677 foff = (symval
678 - (irel->r_offset
679 + sec->output_section->vma
680 + sec->output_offset
681 + 4));
f725025b
DD
682 /* A branch to an address beyond ours might be increased by an
683 .align that doesn't move when bytes behind us are deleted.
684 So, we add some slop in this calculation to allow for
685 that. */
686 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
687 {
688 /* After all that work, we can't shorten this function call. */
689 continue;
690 }
691
692 /* Shorten the function call. */
693
694 /* For simplicity of coding, we are going to modify the section
695 contents, the section relocs, and the BFD symbol table. We
696 must tell the rest of the code not to free up this
697 information. It would be possible to instead create a table
698 of changes which have to be made, as is done in coff-mips.c;
699 that would be more work, but would require less memory when
700 the linker is run. */
701
702 elf_section_data (sec)->relocs = internal_relocs;
252b5132 703 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 704 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
705
706 /* Replace the jsr with a bsr. */
707
708 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
067653c5 709 replace the jsr with a bsr. */
252b5132 710 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
711 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
712 here, but that only checks if the symbol is an external symbol,
713 not if the symbol is in a different section. Besides, we need
714 a consistent meaning for the relocation, so we just assume here that
715 the value of the symbol is not available. */
0e71e495
BE
716
717 /* We can't fully resolve this yet, because the external
718 symbol value may be changed by future relaxing. We let
719 the final link phase handle it. */
720 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
721
bdfaef52 722 irel->r_addend = -4;
252b5132 723
f725025b
DD
724 /* When we calculated the symbol "value" we had an offset in the
725 DIR32's word in memory (we read and add it above). However,
726 the jsr we create does NOT have this offset encoded, so we
727 have to add it to the addend to preserve it. */
728 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
729
252b5132 730 /* See if there is another R_SH_USES reloc referring to the same
067653c5 731 register load. */
252b5132
RH
732 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
733 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
734 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
735 break;
736 if (irelscan < irelend)
737 {
738 /* Some other function call depends upon this register load,
739 and we have not yet converted that function call.
740 Indeed, we may never be able to convert it. There is
741 nothing else we can do at this point. */
742 continue;
743 }
744
745 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
746 function address is stored. Do this before deleting any
747 bytes, to avoid confusion about the address. */
252b5132
RH
748 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
749 if (irelcount->r_offset == paddr
750 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
751 break;
752
753 /* Delete the register load. */
754 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
755 goto error_return;
756
757 /* That will change things, so, just in case it permits some
067653c5
AM
758 other function call to come within range, we should relax
759 again. Note that this is not required, and it may be slow. */
b34976b6 760 *again = TRUE;
252b5132
RH
761
762 /* Now check whether we got a COUNT reloc. */
763 if (irelcount >= irelend)
764 {
765 ((*_bfd_error_handler)
d003868e
AM
766 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
767 abfd, (unsigned long) paddr));
252b5132
RH
768 continue;
769 }
770
771 /* The number of uses is stored in the r_addend field. We've
067653c5 772 just deleted one. */
252b5132
RH
773 if (irelcount->r_addend == 0)
774 {
d003868e
AM
775 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
776 abfd,
252b5132
RH
777 (unsigned long) paddr));
778 continue;
779 }
780
781 --irelcount->r_addend;
782
783 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
784 the address from irelfn, in case it was changed by the
785 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
786 if (irelcount->r_addend == 0)
787 {
788 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
789 goto error_return;
790 }
791
792 /* We've done all we can with that function call. */
793 }
794
795 /* Look for load and store instructions that we can align on four
796 byte boundaries. */
bdfaef52
JR
797 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
798 && have_code)
252b5132 799 {
b34976b6 800 bfd_boolean swapped;
252b5132
RH
801
802 /* Get the section contents. */
803 if (contents == NULL)
804 {
805 if (elf_section_data (sec)->this_hdr.contents != NULL)
806 contents = elf_section_data (sec)->this_hdr.contents;
807 else
808 {
eea6121a 809 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
810 goto error_return;
811 }
812 }
813
814 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
815 &swapped))
816 goto error_return;
817
818 if (swapped)
819 {
820 elf_section_data (sec)->relocs = internal_relocs;
252b5132 821 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 822 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
823 }
824 }
825
6cdc0ccc
AM
826 if (isymbuf != NULL
827 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
828 {
829 if (! link_info->keep_memory)
6cdc0ccc 830 free (isymbuf);
252b5132
RH
831 else
832 {
6cdc0ccc
AM
833 /* Cache the symbols for elf_link_input_bfd. */
834 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 835 }
9ad5cbcf
AM
836 }
837
6cdc0ccc
AM
838 if (contents != NULL
839 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
840 {
841 if (! link_info->keep_memory)
6cdc0ccc
AM
842 free (contents);
843 else
252b5132 844 {
6cdc0ccc
AM
845 /* Cache the section contents for elf_link_input_bfd. */
846 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 847 }
252b5132
RH
848 }
849
6cdc0ccc
AM
850 if (internal_relocs != NULL
851 && elf_section_data (sec)->relocs != internal_relocs)
852 free (internal_relocs);
853
b34976b6 854 return TRUE;
252b5132
RH
855
856 error_return:
6cdc0ccc
AM
857 if (isymbuf != NULL
858 && symtab_hdr->contents != (unsigned char *) isymbuf)
859 free (isymbuf);
860 if (contents != NULL
861 && elf_section_data (sec)->this_hdr.contents != contents)
862 free (contents);
863 if (internal_relocs != NULL
864 && elf_section_data (sec)->relocs != internal_relocs)
865 free (internal_relocs);
9ad5cbcf 866
b34976b6 867 return FALSE;
252b5132
RH
868}
869
870/* Delete some bytes from a section while relaxing. FIXME: There is a
871 lot of duplication between this function and sh_relax_delete_bytes
872 in coff-sh.c. */
873
b34976b6 874static bfd_boolean
09fd220b
KK
875sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
876 int count)
252b5132
RH
877{
878 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 879 unsigned int sec_shndx;
252b5132
RH
880 bfd_byte *contents;
881 Elf_Internal_Rela *irel, *irelend;
882 Elf_Internal_Rela *irelalign;
883 bfd_vma toaddr;
6cdc0ccc 884 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
885 struct elf_link_hash_entry **sym_hashes;
886 struct elf_link_hash_entry **end_hashes;
887 unsigned int symcount;
252b5132
RH
888 asection *o;
889
0ffa91dd 890 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 891 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
892
893 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
894
895 contents = elf_section_data (sec)->this_hdr.contents;
896
897 /* The deletion must stop at the next ALIGN reloc for an aligment
898 power larger than the number of bytes we are deleting. */
899
900 irelalign = NULL;
eea6121a 901 toaddr = sec->size;
252b5132
RH
902
903 irel = elf_section_data (sec)->relocs;
904 irelend = irel + sec->reloc_count;
905 for (; irel < irelend; irel++)
906 {
907 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
908 && irel->r_offset > addr
909 && count < (1 << irel->r_addend))
910 {
911 irelalign = irel;
912 toaddr = irel->r_offset;
913 break;
914 }
915 }
916
917 /* Actually delete the bytes. */
dc810e39
AM
918 memmove (contents + addr, contents + addr + count,
919 (size_t) (toaddr - addr - count));
252b5132 920 if (irelalign == NULL)
eea6121a 921 sec->size -= count;
252b5132
RH
922 else
923 {
924 int i;
925
926#define NOP_OPCODE (0x0009)
927
928 BFD_ASSERT ((count & 1) == 0);
929 for (i = 0; i < count; i += 2)
dc810e39 930 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
931 }
932
933 /* Adjust all the relocs. */
934 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
935 {
936 bfd_vma nraddr, stop;
937 bfd_vma start = 0;
938 int insn = 0;
252b5132
RH
939 int off, adjust, oinsn;
940 bfd_signed_vma voff = 0;
b34976b6 941 bfd_boolean overflow;
252b5132
RH
942
943 /* Get the new reloc address. */
944 nraddr = irel->r_offset;
945 if ((irel->r_offset > addr
946 && irel->r_offset < toaddr)
947 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
948 && irel->r_offset == toaddr))
949 nraddr -= count;
950
951 /* See if this reloc was for the bytes we have deleted, in which
952 case we no longer care about it. Don't delete relocs which
953 represent addresses, though. */
954 if (irel->r_offset >= addr
955 && irel->r_offset < addr + count
956 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
957 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
958 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
959 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
960 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
961 (int) R_SH_NONE);
962
963 /* If this is a PC relative reloc, see if the range it covers
067653c5 964 includes the bytes we have deleted. */
252b5132
RH
965 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
966 {
967 default:
968 break;
969
970 case R_SH_DIR8WPN:
971 case R_SH_IND12W:
972 case R_SH_DIR8WPZ:
973 case R_SH_DIR8WPL:
974 start = irel->r_offset;
975 insn = bfd_get_16 (abfd, contents + nraddr);
976 break;
977 }
978
979 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
980 {
981 default:
982 start = stop = addr;
983 break;
984
985 case R_SH_DIR32:
986 /* If this reloc is against a symbol defined in this
067653c5
AM
987 section, and the symbol will not be adjusted below, we
988 must check the addend to see it will put the value in
989 range to be adjusted, and hence must be changed. */
252b5132
RH
990 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
991 {
6cdc0ccc
AM
992 isym = isymbuf + ELF32_R_SYM (irel->r_info);
993 if (isym->st_shndx == sec_shndx
994 && (isym->st_value <= addr
995 || isym->st_value >= toaddr))
252b5132
RH
996 {
997 bfd_vma val;
998
55e6e397
RS
999 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
1000 {
1001 val = bfd_get_32 (abfd, contents + nraddr);
1002 val += isym->st_value;
1003 if (val > addr && val < toaddr)
1004 bfd_put_32 (abfd, val - count, contents + nraddr);
1005 }
1006 else
1007 {
1008 val = isym->st_value + irel->r_addend;
1009 if (val > addr && val < toaddr)
1010 irel->r_addend -= count;
1011 }
252b5132
RH
1012 }
1013 }
1014 start = stop = addr;
1015 break;
1016
1017 case R_SH_DIR8WPN:
1018 off = insn & 0xff;
1019 if (off & 0x80)
1020 off -= 0x100;
1021 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1022 break;
1023
1024 case R_SH_IND12W:
bdfaef52
JR
1025 off = insn & 0xfff;
1026 if (! off)
1027 {
1028 /* This has been made by previous relaxation. Since the
1029 relocation will be against an external symbol, the
1030 final relocation will just do the right thing. */
1031 start = stop = addr;
1032 }
252b5132
RH
1033 else
1034 {
252b5132
RH
1035 if (off & 0x800)
1036 off -= 0x1000;
1037 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
1038
1039 /* The addend will be against the section symbol, thus
1040 for adjusting the addend, the relevant start is the
1041 start of the section.
4cc11e76 1042 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1043 test directly using symbol + addend, we have to take into
1044 account that the addend has already been adjusted by -4. */
1045 if (stop > addr && stop < toaddr)
1046 irel->r_addend -= count;
252b5132
RH
1047 }
1048 break;
1049
1050 case R_SH_DIR8WPZ:
1051 off = insn & 0xff;
1052 stop = start + 4 + off * 2;
1053 break;
1054
1055 case R_SH_DIR8WPL:
1056 off = insn & 0xff;
435b1e90 1057 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1058 break;
1059
1060 case R_SH_SWITCH8:
1061 case R_SH_SWITCH16:
1062 case R_SH_SWITCH32:
1063 /* These relocs types represent
1064 .word L2-L1
06e1ba78 1065 The r_addend field holds the difference between the reloc
252b5132
RH
1066 address and L1. That is the start of the reloc, and
1067 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1068 both the r_offset field and the section contents.
1069 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1070 and the elf bfd r_offset is called r_vaddr. */
252b5132 1071
06e1ba78
JR
1072 stop = irel->r_offset;
1073 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1074
1075 if (start > addr
1076 && start < toaddr
1077 && (stop <= addr || stop >= toaddr))
1078 irel->r_addend += count;
1079 else if (stop > addr
1080 && stop < toaddr
1081 && (start <= addr || start >= toaddr))
1082 irel->r_addend -= count;
1083
252b5132
RH
1084 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1085 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1086 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1087 voff = bfd_get_8 (abfd, contents + nraddr);
1088 else
1089 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1090 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1091
1092 break;
1093
1094 case R_SH_USES:
1095 start = irel->r_offset;
1096 stop = (bfd_vma) ((bfd_signed_vma) start
1097 + (long) irel->r_addend
1098 + 4);
1099 break;
1100 }
1101
1102 if (start > addr
1103 && start < toaddr
1104 && (stop <= addr || stop >= toaddr))
1105 adjust = count;
1106 else if (stop > addr
1107 && stop < toaddr
1108 && (start <= addr || start >= toaddr))
1109 adjust = - count;
1110 else
1111 adjust = 0;
1112
1113 if (adjust != 0)
1114 {
1115 oinsn = insn;
b34976b6 1116 overflow = FALSE;
252b5132
RH
1117 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1118 {
1119 default:
1120 abort ();
1121 break;
1122
1123 case R_SH_DIR8WPN:
1124 case R_SH_DIR8WPZ:
1125 insn += adjust / 2;
1126 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1127 overflow = TRUE;
dc810e39 1128 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1129 break;
1130
1131 case R_SH_IND12W:
1132 insn += adjust / 2;
1133 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1134 overflow = TRUE;
dc810e39 1135 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1136 break;
1137
1138 case R_SH_DIR8WPL:
1139 BFD_ASSERT (adjust == count || count >= 4);
1140 if (count >= 4)
1141 insn += adjust / 4;
1142 else
1143 {
1144 if ((irel->r_offset & 3) == 0)
1145 ++insn;
1146 }
1147 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1148 overflow = TRUE;
dc810e39 1149 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1150 break;
1151
851cde10
JR
1152 case R_SH_SWITCH8:
1153 voff += adjust;
1154 if (voff < 0 || voff >= 0xff)
b34976b6 1155 overflow = TRUE;
851cde10
JR
1156 bfd_put_8 (abfd, voff, contents + nraddr);
1157 break;
1158
252b5132
RH
1159 case R_SH_SWITCH16:
1160 voff += adjust;
1161 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1162 overflow = TRUE;
dc810e39 1163 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1164 break;
1165
1166 case R_SH_SWITCH32:
1167 voff += adjust;
dc810e39 1168 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1169 break;
1170
1171 case R_SH_USES:
1172 irel->r_addend += adjust;
1173 break;
1174 }
1175
1176 if (overflow)
1177 {
1178 ((*_bfd_error_handler)
d003868e
AM
1179 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1180 abfd, (unsigned long) irel->r_offset));
252b5132 1181 bfd_set_error (bfd_error_bad_value);
b34976b6 1182 return FALSE;
252b5132
RH
1183 }
1184 }
1185
1186 irel->r_offset = nraddr;
1187 }
1188
1189 /* Look through all the other sections. If there contain any IMM32
1190 relocs against internal symbols which we are not going to adjust
1191 below, we may need to adjust the addends. */
1192 for (o = abfd->sections; o != NULL; o = o->next)
1193 {
1194 Elf_Internal_Rela *internal_relocs;
1195 Elf_Internal_Rela *irelscan, *irelscanend;
1196 bfd_byte *ocontents;
1197
1198 if (o == sec
1199 || (o->flags & SEC_RELOC) == 0
1200 || o->reloc_count == 0)
1201 continue;
1202
1203 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1204 FALSE, we should free them, if we are permitted to, when we
067653c5 1205 leave sh_coff_relax_section. */
45d6a902 1206 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1207 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1208 if (internal_relocs == NULL)
b34976b6 1209 return FALSE;
252b5132
RH
1210
1211 ocontents = NULL;
1212 irelscanend = internal_relocs + o->reloc_count;
1213 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1214 {
084aa3aa
JR
1215 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1216 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1217 {
1218 bfd_vma start, stop;
1219 bfd_signed_vma voff;
1220
1221 if (ocontents == NULL)
1222 {
1223 if (elf_section_data (o)->this_hdr.contents != NULL)
1224 ocontents = elf_section_data (o)->this_hdr.contents;
1225 else
1226 {
1227 /* We always cache the section contents.
b34976b6 1228 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1229 should free them, if we are permitted to,
1230 when we leave sh_coff_relax_section. */
eea6121a
AM
1231 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1232 {
1233 if (ocontents != NULL)
1234 free (ocontents);
1235 return FALSE;
1236 }
1237
084aa3aa
JR
1238 elf_section_data (o)->this_hdr.contents = ocontents;
1239 }
1240 }
1241
1242 stop = irelscan->r_offset;
1243 start
1244 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1245
1246 /* STOP is in a different section, so it won't change. */
1247 if (start > addr && start < toaddr)
1248 irelscan->r_addend += count;
1249
1250 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1251 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1252
1253 if (start > addr
1254 && start < toaddr
1255 && (stop <= addr || stop >= toaddr))
dc810e39 1256 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1257 ocontents + irelscan->r_offset);
1258 else if (stop > addr
1259 && stop < toaddr
1260 && (start <= addr || start >= toaddr))
dc810e39 1261 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1262 ocontents + irelscan->r_offset);
1263 }
1264
252b5132
RH
1265 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1266 continue;
1267
1268 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1269 continue;
1270
252b5132 1271
6cdc0ccc
AM
1272 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1273 if (isym->st_shndx == sec_shndx
1274 && (isym->st_value <= addr
1275 || isym->st_value >= toaddr))
252b5132
RH
1276 {
1277 bfd_vma val;
1278
1279 if (ocontents == NULL)
1280 {
1281 if (elf_section_data (o)->this_hdr.contents != NULL)
1282 ocontents = elf_section_data (o)->this_hdr.contents;
1283 else
1284 {
1285 /* We always cache the section contents.
b34976b6 1286 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1287 should free them, if we are permitted to,
1288 when we leave sh_coff_relax_section. */
eea6121a
AM
1289 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1290 {
1291 if (ocontents != NULL)
1292 free (ocontents);
1293 return FALSE;
1294 }
1295
252b5132
RH
1296 elf_section_data (o)->this_hdr.contents = ocontents;
1297 }
1298 }
1299
1300 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1301 val += isym->st_value;
252b5132
RH
1302 if (val > addr && val < toaddr)
1303 bfd_put_32 (abfd, val - count,
1304 ocontents + irelscan->r_offset);
1305 }
1306 }
1307 }
1308
1309 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1310 isymend = isymbuf + symtab_hdr->sh_info;
1311 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1312 {
6cdc0ccc
AM
1313 if (isym->st_shndx == sec_shndx
1314 && isym->st_value > addr
1315 && isym->st_value < toaddr)
1316 isym->st_value -= count;
252b5132
RH
1317 }
1318
1319 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1320 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1321 - symtab_hdr->sh_info);
1322 sym_hashes = elf_sym_hashes (abfd);
1323 end_hashes = sym_hashes + symcount;
1324 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1325 {
9ad5cbcf
AM
1326 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1327 if ((sym_hash->root.type == bfd_link_hash_defined
1328 || sym_hash->root.type == bfd_link_hash_defweak)
1329 && sym_hash->root.u.def.section == sec
1330 && sym_hash->root.u.def.value > addr
1331 && sym_hash->root.u.def.value < toaddr)
252b5132 1332 {
9ad5cbcf 1333 sym_hash->root.u.def.value -= count;
252b5132
RH
1334 }
1335 }
1336
1337 /* See if we can move the ALIGN reloc forward. We have adjusted
1338 r_offset for it already. */
1339 if (irelalign != NULL)
1340 {
1341 bfd_vma alignto, alignaddr;
1342
1343 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1344 alignaddr = BFD_ALIGN (irelalign->r_offset,
1345 1 << irelalign->r_addend);
1346 if (alignto != alignaddr)
1347 {
1348 /* Tail recursion. */
1349 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1350 (int) (alignto - alignaddr));
252b5132
RH
1351 }
1352 }
1353
b34976b6 1354 return TRUE;
252b5132
RH
1355}
1356
1357/* Look for loads and stores which we can align to four byte
1358 boundaries. This is like sh_align_loads in coff-sh.c. */
1359
b34976b6 1360static bfd_boolean
09fd220b
KK
1361sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1362 Elf_Internal_Rela *internal_relocs,
1363 bfd_byte *contents ATTRIBUTE_UNUSED,
1364 bfd_boolean *pswapped)
252b5132
RH
1365{
1366 Elf_Internal_Rela *irel, *irelend;
1367 bfd_vma *labels = NULL;
1368 bfd_vma *label, *label_end;
dc810e39 1369 bfd_size_type amt;
252b5132 1370
b34976b6 1371 *pswapped = FALSE;
252b5132
RH
1372
1373 irelend = internal_relocs + sec->reloc_count;
1374
1375 /* Get all the addresses with labels on them. */
dc810e39
AM
1376 amt = sec->reloc_count;
1377 amt *= sizeof (bfd_vma);
1378 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1379 if (labels == NULL)
1380 goto error_return;
1381 label_end = labels;
1382 for (irel = internal_relocs; irel < irelend; irel++)
1383 {
1384 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1385 {
1386 *label_end = irel->r_offset;
1387 ++label_end;
1388 }
1389 }
1390
1391 /* Note that the assembler currently always outputs relocs in
1392 address order. If that ever changes, this code will need to sort
1393 the label values and the relocs. */
1394
1395 label = labels;
1396
1397 for (irel = internal_relocs; irel < irelend; irel++)
1398 {
1399 bfd_vma start, stop;
1400
1401 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1402 continue;
1403
1404 start = irel->r_offset;
1405
1406 for (irel++; irel < irelend; irel++)
1407 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1408 break;
1409 if (irel < irelend)
1410 stop = irel->r_offset;
1411 else
eea6121a 1412 stop = sec->size;
252b5132
RH
1413
1414 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1415 internal_relocs, &label,
252b5132
RH
1416 label_end, start, stop, pswapped))
1417 goto error_return;
1418 }
1419
1420 free (labels);
1421
b34976b6 1422 return TRUE;
252b5132
RH
1423
1424 error_return:
1425 if (labels != NULL)
1426 free (labels);
b34976b6 1427 return FALSE;
252b5132
RH
1428}
1429
85fbca6a 1430#ifndef SH64_ELF
252b5132
RH
1431/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1432
b34976b6 1433static bfd_boolean
09fd220b
KK
1434sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1435 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1436{
1437 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1438 unsigned short i1, i2;
1439 Elf_Internal_Rela *irel, *irelend;
1440
1441 /* Swap the instructions themselves. */
1442 i1 = bfd_get_16 (abfd, contents + addr);
1443 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1444 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1445 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1446
1447 /* Adjust all reloc addresses. */
1448 irelend = internal_relocs + sec->reloc_count;
1449 for (irel = internal_relocs; irel < irelend; irel++)
1450 {
1451 enum elf_sh_reloc_type type;
1452 int add;
1453
1454 /* There are a few special types of relocs that we don't want to
067653c5
AM
1455 adjust. These relocs do not apply to the instruction itself,
1456 but are only associated with the address. */
252b5132
RH
1457 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1458 if (type == R_SH_ALIGN
1459 || type == R_SH_CODE
1460 || type == R_SH_DATA
1461 || type == R_SH_LABEL)
1462 continue;
1463
1464 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1465 swapped, we must adjust it. It would be incorrect to do this
1466 for a jump, though, since we want to execute both
1467 instructions after the jump. (We have avoided swapping
1468 around a label, so the jump will not wind up executing an
1469 instruction it shouldn't). */
252b5132
RH
1470 if (type == R_SH_USES)
1471 {
1472 bfd_vma off;
1473
1474 off = irel->r_offset + 4 + irel->r_addend;
1475 if (off == addr)
1476 irel->r_offset += 2;
1477 else if (off == addr + 2)
1478 irel->r_offset -= 2;
1479 }
1480
1481 if (irel->r_offset == addr)
1482 {
1483 irel->r_offset += 2;
1484 add = -2;
1485 }
1486 else if (irel->r_offset == addr + 2)
1487 {
1488 irel->r_offset -= 2;
1489 add = 2;
1490 }
1491 else
1492 add = 0;
1493
1494 if (add != 0)
1495 {
1496 bfd_byte *loc;
1497 unsigned short insn, oinsn;
b34976b6 1498 bfd_boolean overflow;
252b5132
RH
1499
1500 loc = contents + irel->r_offset;
b34976b6 1501 overflow = FALSE;
252b5132
RH
1502 switch (type)
1503 {
1504 default:
1505 break;
1506
1507 case R_SH_DIR8WPN:
1508 case R_SH_DIR8WPZ:
1509 insn = bfd_get_16 (abfd, loc);
1510 oinsn = insn;
1511 insn += add / 2;
1512 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1513 overflow = TRUE;
dc810e39 1514 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1515 break;
1516
1517 case R_SH_IND12W:
1518 insn = bfd_get_16 (abfd, loc);
1519 oinsn = insn;
1520 insn += add / 2;
1521 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1522 overflow = TRUE;
dc810e39 1523 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1524 break;
1525
1526 case R_SH_DIR8WPL:
1527 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1528 the program counter before adding in the offset.
1529 This means that if ADDR is at an even address, the
1530 swap will not affect the offset. If ADDR is an at an
1531 odd address, then the instruction will be crossing a
1532 four byte boundary, and must be adjusted. */
252b5132
RH
1533 if ((addr & 3) != 0)
1534 {
1535 insn = bfd_get_16 (abfd, loc);
1536 oinsn = insn;
1537 insn += add / 2;
1538 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1539 overflow = TRUE;
dc810e39 1540 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1541 }
1542
1543 break;
1544 }
1545
1546 if (overflow)
1547 {
1548 ((*_bfd_error_handler)
d003868e
AM
1549 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1550 abfd, (unsigned long) irel->r_offset));
252b5132 1551 bfd_set_error (bfd_error_bad_value);
b34976b6 1552 return FALSE;
252b5132
RH
1553 }
1554 }
1555 }
1556
b34976b6 1557 return TRUE;
252b5132 1558}
85fbca6a 1559#endif /* defined SH64_ELF */
252b5132 1560\f
55e6e397
RS
1561/* Describes one of the various PLT styles. */
1562
1563struct elf_sh_plt_info
1564{
1565 /* The template for the first PLT entry, or NULL if there is no special
1566 first entry. */
1567 const bfd_byte *plt0_entry;
1568
1569 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1570 bfd_vma plt0_entry_size;
1571
1572 /* Index I is the offset into PLT0_ENTRY of a pointer to
1573 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1574 if there is no such pointer. */
1575 bfd_vma plt0_got_fields[3];
1576
1577 /* The template for a symbol's PLT entry. */
1578 const bfd_byte *symbol_entry;
1579
1580 /* The size of SYMBOL_ENTRY in bytes. */
1581 bfd_vma symbol_entry_size;
1582
1583 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1584 on all targets. The comments by each member indicate the value
1585 that the field must hold. */
1586 struct {
1587 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1588 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1589 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
8e45593f
NC
1590 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1591 instruction (instead of a constant pool
1592 entry). */
55e6e397
RS
1593 } symbol_fields;
1594
1595 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1596 bfd_vma symbol_resolve_offset;
8e45593f
NC
1597
1598 /* A different PLT layout which can be used for the first
1599 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1600 other cases. */
1601 const struct elf_sh_plt_info *short_plt;
55e6e397
RS
1602};
1603
fbca6ad9
AO
1604#ifdef INCLUDE_SHMEDIA
1605
1606/* The size in bytes of an entry in the procedure linkage table. */
1607
55e6e397 1608#define ELF_PLT_ENTRY_SIZE 64
fbca6ad9
AO
1609
1610/* First entry in an absolute procedure linkage table look like this. */
1611
55e6e397 1612static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1613{
1614 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1615 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1616 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
c8614e8e 1617 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
fbca6ad9
AO
1618 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1619 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1620 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1621 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1622 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1623 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1624 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1625 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1626 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1627 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1628 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1629 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1630};
1631
55e6e397 1632static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1633{
1634 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1635 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1636 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
c8614e8e 1637 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
fbca6ad9
AO
1638 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1639 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1640 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1641 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1642 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1643 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1644 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1645 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1646 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1647 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1648 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1649 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1650};
1651
1652/* Sebsequent entries in an absolute procedure linkage table look like
1653 this. */
1654
55e6e397 1655static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1656{
1657 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1658 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1659 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1660 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1661 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1662 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1663 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1664 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1665 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1666 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1667 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1668 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1669 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1670 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1671 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1672 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1673};
1674
55e6e397 1675static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1676{
1677 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1678 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1679 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1680 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1681 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1682 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1683 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1684 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1685 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1686 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1687 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1688 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1689 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1690 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1691 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1692 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1693};
1694
1695/* Entries in a PIC procedure linkage table look like this. */
1696
55e6e397 1697static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1698{
1699 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1700 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1701 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1702 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1703 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1704 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1705 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1706 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1707 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1708 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
fbca6ad9
AO
1709 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1710 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1711 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1712 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1713 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1714 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1715};
1716
55e6e397 1717static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1718{
1719 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1720 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1721 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1722 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1723 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1724 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1725 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1726 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1727 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1728 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
fbca6ad9
AO
1729 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1730 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1731 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1732 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1733 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1734 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1735};
1736
55e6e397
RS
1737static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1738 {
1739 {
1740 /* Big-endian non-PIC. */
1741 elf_sh_plt0_entry_be,
1742 ELF_PLT_ENTRY_SIZE,
1743 { 0, MINUS_ONE, MINUS_ONE },
1744 elf_sh_plt_entry_be,
1745 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1746 { 0, 32, 48, FALSE },
1747 33, /* includes ISA encoding */
1748 NULL
55e6e397
RS
1749 },
1750 {
1751 /* Little-endian non-PIC. */
1752 elf_sh_plt0_entry_le,
1753 ELF_PLT_ENTRY_SIZE,
1754 { 0, MINUS_ONE, MINUS_ONE },
1755 elf_sh_plt_entry_le,
1756 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1757 { 0, 32, 48, FALSE },
1758 33, /* includes ISA encoding */
1759 NULL
55e6e397
RS
1760 },
1761 },
1762 {
1763 {
1764 /* Big-endian PIC. */
1765 elf_sh_plt0_entry_be,
1766 ELF_PLT_ENTRY_SIZE,
1767 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1768 elf_sh_pic_plt_entry_be,
1769 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1770 { 0, MINUS_ONE, 52, FALSE },
1771 33, /* includes ISA encoding */
1772 NULL
55e6e397
RS
1773 },
1774 {
1775 /* Little-endian PIC. */
1776 elf_sh_plt0_entry_le,
1777 ELF_PLT_ENTRY_SIZE,
1778 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1779 elf_sh_pic_plt_entry_le,
1780 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1781 { 0, MINUS_ONE, 52, FALSE },
1782 33, /* includes ISA encoding */
1783 NULL
55e6e397
RS
1784 },
1785 }
1786};
fbca6ad9
AO
1787
1788/* Return offset of the linker in PLT0 entry. */
1789#define elf_sh_plt0_gotplt_offset(info) 0
1790
55e6e397
RS
1791/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1792 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1793 not data.
fbca6ad9 1794
55e6e397 1795 On SH64, each 32-bit field is loaded by a movi/shori pair. */
fbca6ad9
AO
1796
1797inline static void
55e6e397
RS
1798install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1799 unsigned long value, bfd_byte *addr)
fbca6ad9 1800{
55e6e397 1801 value |= code_p;
fbca6ad9
AO
1802 bfd_put_32 (output_bfd,
1803 bfd_get_32 (output_bfd, addr)
1804 | ((value >> 6) & 0x3fffc00),
1805 addr);
1806 bfd_put_32 (output_bfd,
1807 bfd_get_32 (output_bfd, addr + 4)
1808 | ((value << 10) & 0x3fffc00),
1809 addr + 4);
1810}
1811
55e6e397
RS
1812/* Return the type of PLT associated with ABFD. PIC_P is true if
1813 the object is position-independent. */
1814
1815static const struct elf_sh_plt_info *
1816get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1817{
1818 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1819}
fbca6ad9 1820#else
37c644f2 1821/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1822
55e6e397 1823#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1824
1825/* First entry in an absolute procedure linkage table look like this. */
1826
6c426cf3 1827/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1828 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1829 corrupted here. This does mean however, that this PLT does not conform
1830 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1831 and r2 contains the GOT id. This version stores the GOT id in r0 and
1832 ignores the type. Loaders can easily detect this difference however,
1833 since the type will always be 0 or 8, and the GOT ids will always be
1834 greater than or equal to 12. */
55e6e397 1835static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1836{
1837 0xd0, 0x05, /* mov.l 2f,r0 */
1838 0x60, 0x02, /* mov.l @r0,r0 */
1839 0x2f, 0x06, /* mov.l r0,@-r15 */
1840 0xd0, 0x03, /* mov.l 1f,r0 */
1841 0x60, 0x02, /* mov.l @r0,r0 */
1842 0x40, 0x2b, /* jmp @r0 */
1843 0x60, 0xf6, /* mov.l @r15+,r0 */
1844 0x00, 0x09, /* nop */
1845 0x00, 0x09, /* nop */
1846 0x00, 0x09, /* nop */
1847 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1848 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1849};
1850
55e6e397 1851static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1852{
1853 0x05, 0xd0, /* mov.l 2f,r0 */
1854 0x02, 0x60, /* mov.l @r0,r0 */
1855 0x06, 0x2f, /* mov.l r0,@-r15 */
1856 0x03, 0xd0, /* mov.l 1f,r0 */
1857 0x02, 0x60, /* mov.l @r0,r0 */
1858 0x2b, 0x40, /* jmp @r0 */
1859 0xf6, 0x60, /* mov.l @r15+,r0 */
1860 0x09, 0x00, /* nop */
1861 0x09, 0x00, /* nop */
1862 0x09, 0x00, /* nop */
1863 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1864 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1865};
1866
1867/* Sebsequent entries in an absolute procedure linkage table look like
1868 this. */
1869
55e6e397 1870static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1871{
1872 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1873 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1874 0xd1, 0x02, /* mov.l 0f,r1 */
1875 0x40, 0x2b, /* jmp @r0 */
1876 0x60, 0x13, /* mov r1,r0 */
1877 0xd1, 0x03, /* mov.l 2f,r1 */
1878 0x40, 0x2b, /* jmp @r0 */
1879 0x00, 0x09, /* nop */
1880 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1881 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1882 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1883};
1884
55e6e397 1885static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1886{
1887 0x04, 0xd0, /* mov.l 1f,r0 */
1888 0x02, 0x60, /* mov.l @r0,r0 */
1889 0x02, 0xd1, /* mov.l 0f,r1 */
1890 0x2b, 0x40, /* jmp @r0 */
1891 0x13, 0x60, /* mov r1,r0 */
1892 0x03, 0xd1, /* mov.l 2f,r1 */
1893 0x2b, 0x40, /* jmp @r0 */
1894 0x09, 0x00, /* 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
1900/* Entries in a PIC procedure linkage table look like this. */
1901
55e6e397 1902static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1903{
1904 0xd0, 0x04, /* mov.l 1f,r0 */
1905 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1906 0x40, 0x2b, /* jmp @r0 */
1907 0x00, 0x09, /* nop */
1908 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1909 0xd1, 0x03, /* mov.l 2f,r1 */
1910 0x40, 0x2b, /* jmp @r0 */
1911 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1912 0x00, 0x09, /* nop */
1913 0x00, 0x09, /* nop */
1914 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1915 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1916};
1917
55e6e397 1918static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1919{
1920 0x04, 0xd0, /* mov.l 1f,r0 */
1921 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1922 0x2b, 0x40, /* jmp @r0 */
1923 0x09, 0x00, /* nop */
1924 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1925 0x03, 0xd1, /* mov.l 2f,r1 */
1926 0x2b, 0x40, /* jmp @r0 */
1927 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1928 0x09, 0x00, /* nop */
1929 0x09, 0x00, /* nop */
1930 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1931 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1932};
1933
55e6e397
RS
1934static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1935 {
1936 {
1937 /* Big-endian non-PIC. */
1938 elf_sh_plt0_entry_be,
1939 ELF_PLT_ENTRY_SIZE,
1940 { MINUS_ONE, 24, 20 },
1941 elf_sh_plt_entry_be,
1942 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1943 { 20, 16, 24, FALSE },
1944 8,
1945 NULL
55e6e397
RS
1946 },
1947 {
1948 /* Little-endian non-PIC. */
1949 elf_sh_plt0_entry_le,
1950 ELF_PLT_ENTRY_SIZE,
1951 { MINUS_ONE, 24, 20 },
1952 elf_sh_plt_entry_le,
1953 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1954 { 20, 16, 24, FALSE },
1955 8,
1956 NULL
55e6e397
RS
1957 },
1958 },
1959 {
1960 {
1961 /* Big-endian PIC. */
1962 elf_sh_plt0_entry_be,
1963 ELF_PLT_ENTRY_SIZE,
1964 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1965 elf_sh_pic_plt_entry_be,
1966 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1967 { 20, MINUS_ONE, 24, FALSE },
1968 8,
1969 NULL
55e6e397
RS
1970 },
1971 {
1972 /* Little-endian PIC. */
1973 elf_sh_plt0_entry_le,
1974 ELF_PLT_ENTRY_SIZE,
1975 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1976 elf_sh_pic_plt_entry_le,
1977 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1978 { 20, MINUS_ONE, 24, FALSE },
1979 8,
1980 NULL
55e6e397
RS
1981 },
1982 }
1983};
252b5132 1984
55e6e397
RS
1985#define VXWORKS_PLT_HEADER_SIZE 12
1986#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 1987
55e6e397
RS
1988static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1989{
1990 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1991 0x61, 0x12, /* mov.l @r1,r1 */
1992 0x41, 0x2b, /* jmp @r1 */
1993 0x00, 0x09, /* nop */
1994 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1995};
252b5132 1996
55e6e397
RS
1997static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1998{
1999 0x01, 0xd1, /* mov.l @(8,pc),r1 */
2000 0x12, 0x61, /* mov.l @r1,r1 */
2001 0x2b, 0x41, /* jmp @r1 */
2002 0x09, 0x00, /* nop */
2003 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2004};
2005
2006static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2007{
2008 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2009 0x60, 0x02, /* mov.l @r0,r0 */
2010 0x40, 0x2b, /* jmp @r0 */
2011 0x00, 0x09, /* nop */
2012 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2013 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2014 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
2015 0x00, 0x09, /* nop */
2016 0x00, 0x09, /* nop */
2017 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2018};
2019
2020static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2021{
2022 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2023 0x02, 0x60, /* mov.l @r0,r0 */
2024 0x2b, 0x40, /* jmp @r0 */
2025 0x09, 0x00, /* nop */
2026 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2027 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2028 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
2029 0x09, 0x00, /* nop */
2030 0x09, 0x00, /* nop */
2031 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2032};
2033
2034static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2035{
2036 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2037 0x00, 0xce, /* mov.l @(r0,r12),r0 */
2038 0x40, 0x2b, /* jmp @r0 */
2039 0x00, 0x09, /* nop */
2040 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2041 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2042 0x51, 0xc2, /* mov.l @(8,r12),r1 */
2043 0x41, 0x2b, /* jmp @r1 */
2044 0x00, 0x09, /* nop */
2045 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2046};
2047
2048static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2049{
2050 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2051 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2052 0x2b, 0x40, /* jmp @r0 */
2053 0x09, 0x00, /* nop */
2054 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2055 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2056 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2057 0x2b, 0x41, /* jmp @r1 */
2058 0x09, 0x00, /* nop */
2059 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2060};
2061
2062static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2063 {
2064 {
2065 /* Big-endian non-PIC. */
2066 vxworks_sh_plt0_entry_be,
2067 VXWORKS_PLT_HEADER_SIZE,
2068 { MINUS_ONE, MINUS_ONE, 8 },
2069 vxworks_sh_plt_entry_be,
2070 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2071 { 8, 14, 20, FALSE },
2072 12,
2073 NULL
55e6e397
RS
2074 },
2075 {
2076 /* Little-endian non-PIC. */
2077 vxworks_sh_plt0_entry_le,
2078 VXWORKS_PLT_HEADER_SIZE,
2079 { MINUS_ONE, MINUS_ONE, 8 },
2080 vxworks_sh_plt_entry_le,
2081 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2082 { 8, 14, 20, FALSE },
2083 12,
2084 NULL
55e6e397
RS
2085 },
2086 },
2087 {
2088 {
2089 /* Big-endian PIC. */
2090 NULL,
2091 0,
2092 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2093 vxworks_sh_pic_plt_entry_be,
2094 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2095 { 8, MINUS_ONE, 20, FALSE },
2096 12,
2097 NULL
55e6e397
RS
2098 },
2099 {
2100 /* Little-endian PIC. */
2101 NULL,
2102 0,
2103 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2104 vxworks_sh_pic_plt_entry_le,
2105 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2106 { 8, MINUS_ONE, 20, FALSE },
2107 12,
2108 NULL
55e6e397
RS
2109 },
2110 }
2111};
9bdafcce 2112
8e45593f
NC
2113/* FDPIC PLT entries. Two unimplemented optimizations for lazy
2114 binding are to omit the lazy binding stub when linking with -z now
2115 and to move lazy binding stubs into a separate region for better
2116 cache behavior. */
2117
2118#define FDPIC_PLT_ENTRY_SIZE 28
2119#define FDPIC_PLT_LAZY_OFFSET 20
2120
2121/* FIXME: The lazy binding stub requires a plt0 - which may need to be
2122 duplicated if it is out of range, or which can be inlined. So
2123 right now it is always inlined, which wastes a word per stub. It
2124 might be easier to handle the duplication if we put the lazy
2125 stubs separately. */
2126
2127static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
2128{
2129 0xd0, 0x02, /* mov.l @(12,pc),r0 */
2130 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2131 0x70, 0x04, /* add #4, r0 */
2132 0x41, 0x2b, /* jmp @r1 */
2133 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2134 0x00, 0x09, /* nop */
2135 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2136 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2137 0x60, 0xc2, /* mov.l @r12,r0 */
2138 0x40, 0x2b, /* jmp @r0 */
2139 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2140 0x00, 0x09, /* nop */
2141};
2142
2143static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
2144{
2145 0x02, 0xd0, /* mov.l @(12,pc),r0 */
2146 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2147 0x04, 0x70, /* add #4, r0 */
2148 0x2b, 0x41, /* jmp @r1 */
2149 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2150 0x09, 0x00, /* nop */
2151 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2152 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2153 0xc2, 0x60, /* mov.l @r12,r0 */
2154 0x2b, 0x40, /* jmp @r0 */
2155 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2156 0x09, 0x00, /* nop */
2157};
2158
2159static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
2160 {
2161 /* Big-endian PIC. */
2162 NULL,
2163 0,
2164 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2165 fdpic_sh_plt_entry_be,
2166 FDPIC_PLT_ENTRY_SIZE,
2167 { 12, MINUS_ONE, 16, FALSE },
2168 FDPIC_PLT_LAZY_OFFSET,
2169 NULL
2170 },
2171 {
2172 /* Little-endian PIC. */
2173 NULL,
2174 0,
2175 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2176 fdpic_sh_plt_entry_le,
2177 FDPIC_PLT_ENTRY_SIZE,
2178 { 12, MINUS_ONE, 16, FALSE },
2179 FDPIC_PLT_LAZY_OFFSET,
2180 NULL
2181 },
2182};
2183
2184/* On SH2A, we can use the movi20 instruction to generate shorter PLT
2185 entries for the first 64K slots. We use the normal FDPIC PLT entry
2186 past that point; we could also use movi20s, which might be faster,
2187 but would not be any smaller. */
2188
2189#define FDPIC_SH2A_PLT_ENTRY_SIZE 24
2190#define FDPIC_SH2A_PLT_LAZY_OFFSET 16
2191
2192static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2193{
2194 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2195 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2196 0x70, 0x04, /* add #4, r0 */
2197 0x41, 0x2b, /* jmp @r1 */
2198 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2199 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2200 0x60, 0xc2, /* mov.l @r12,r0 */
2201 0x40, 0x2b, /* jmp @r0 */
2202 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2203 0x00, 0x09, /* nop */
2204};
2205
2206static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2207{
2208 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2209 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2210 0x04, 0x70, /* add #4, r0 */
2211 0x2b, 0x41, /* jmp @r1 */
2212 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2213 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2214 0xc2, 0x60, /* mov.l @r12,r0 */
2215 0x2b, 0x40, /* jmp @r0 */
2216 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2217 0x09, 0x00, /* nop */
2218};
2219
2220static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
2221 /* Big-endian FDPIC, max index 64K. */
2222 NULL,
2223 0,
2224 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2225 fdpic_sh2a_plt_entry_be,
2226 FDPIC_SH2A_PLT_ENTRY_SIZE,
2227 { 0, MINUS_ONE, 12, TRUE },
2228 FDPIC_SH2A_PLT_LAZY_OFFSET,
2229 NULL
2230};
2231
2232static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
2233 /* Little-endian FDPIC, max index 64K. */
2234 NULL,
2235 0,
2236 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2237 fdpic_sh2a_plt_entry_le,
2238 FDPIC_SH2A_PLT_ENTRY_SIZE,
2239 { 0, MINUS_ONE, 12, TRUE },
2240 FDPIC_SH2A_PLT_LAZY_OFFSET,
2241 NULL
2242};
2243
2244static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
2245 {
2246 /* Big-endian PIC. */
2247 NULL,
2248 0,
2249 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2250 fdpic_sh_plt_entry_be,
2251 FDPIC_PLT_ENTRY_SIZE,
2252 { 12, MINUS_ONE, 16, FALSE },
2253 FDPIC_PLT_LAZY_OFFSET,
2254 &fdpic_sh2a_short_plt_be
2255 },
2256 {
2257 /* Little-endian PIC. */
2258 NULL,
2259 0,
2260 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2261 fdpic_sh_plt_entry_le,
2262 FDPIC_PLT_ENTRY_SIZE,
2263 { 12, MINUS_ONE, 16, FALSE },
2264 FDPIC_PLT_LAZY_OFFSET,
2265 &fdpic_sh2a_short_plt_le
2266 },
2267};
2268
55e6e397
RS
2269/* Return the type of PLT associated with ABFD. PIC_P is true if
2270 the object is position-independent. */
9bdafcce 2271
55e6e397 2272static const struct elf_sh_plt_info *
8e45593f 2273get_plt_info (bfd *abfd, bfd_boolean pic_p)
55e6e397 2274{
8e45593f
NC
2275 if (fdpic_object_p (abfd))
2276 {
2277 /* If any input file requires SH2A we can use a shorter PLT
2278 sequence. */
2279 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2280 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2281 else
2282 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2283 }
55e6e397
RS
2284 if (vxworks_object_p (abfd))
2285 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2286 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2287}
9bdafcce 2288
55e6e397
RS
2289/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2290 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2291 not data. */
9bdafcce 2292
55e6e397
RS
2293inline static void
2294install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2295 unsigned long value, bfd_byte *addr)
2296{
2297 bfd_put_32 (output_bfd, value, addr);
2298}
fbca6ad9 2299#endif
015551fc 2300
8e45593f
NC
2301/* The number of PLT entries which can use a shorter PLT, if any.
2302 Currently always 64K, since only SH-2A FDPIC uses this; a
2303 20-bit movi20 can address that many function descriptors below
2304 _GLOBAL_OFFSET_TABLE_. */
2305#define MAX_SHORT_PLT 65536
2306
55e6e397
RS
2307/* Return the index of the PLT entry at byte offset OFFSET. */
2308
2309static bfd_vma
2310get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2311{
8e45593f
NC
2312 bfd_vma plt_index = 0;
2313
2314 offset -= info->plt0_entry_size;
2315 if (info->short_plt != NULL)
2316 {
2317 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2318 {
2319 plt_index = MAX_SHORT_PLT;
2320 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2321 }
2322 else
2323 info = info->short_plt;
2324 }
2325 return plt_index + offset / info->symbol_entry_size;
55e6e397
RS
2326}
2327
2328/* Do the inverse operation. */
2329
2330static bfd_vma
91d6fa6a 2331get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
55e6e397 2332{
8e45593f
NC
2333 bfd_vma offset = 0;
2334
2335 if (info->short_plt != NULL)
2336 {
2337 if (plt_index > MAX_SHORT_PLT)
2338 {
2339 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2340 plt_index -= MAX_SHORT_PLT;
2341 }
2342 else
2343 info = info->short_plt;
2344 }
2345 return (offset + info->plt0_entry_size
2346 + (plt_index * info->symbol_entry_size));
55e6e397
RS
2347}
2348
37c644f2 2349/* The sh linker needs to keep track of the number of relocs that it
067653c5
AM
2350 decides to copy as dynamic relocs in check_relocs for each symbol.
2351 This is so that it can later discard them if they are found to be
2352 unnecessary. We store the information in a field extending the
2353 regular ELF linker hash table. */
252b5132 2354
067653c5 2355struct elf_sh_dyn_relocs
38b1a46c 2356{
067653c5
AM
2357 struct elf_sh_dyn_relocs *next;
2358
2359 /* The input section of the reloc. */
2360 asection *sec;
2361
2362 /* Total number of relocs copied for the input section. */
37c644f2 2363 bfd_size_type count;
067653c5
AM
2364
2365 /* Number of pc-relative relocs copied for the input section. */
2366 bfd_size_type pc_count;
37c644f2 2367};
252b5132 2368
8e45593f
NC
2369union gotref
2370{
2371 bfd_signed_vma refcount;
2372 bfd_vma offset;
2373};
2374
37c644f2
AO
2375/* sh ELF linker hash entry. */
2376
38b1a46c
NC
2377struct elf_sh_link_hash_entry
2378{
37c644f2
AO
2379 struct elf_link_hash_entry root;
2380
fbca6ad9 2381#ifdef INCLUDE_SHMEDIA
396a6083
SC
2382 union
2383 {
2384 bfd_signed_vma refcount;
2385 bfd_vma offset;
2386 } datalabel_got;
fbca6ad9
AO
2387#endif
2388
067653c5
AM
2389 /* Track dynamic relocs copied for this symbol. */
2390 struct elf_sh_dyn_relocs *dyn_relocs;
4989d792
SC
2391
2392 bfd_signed_vma gotplt_refcount;
3376eaf5 2393
8e45593f
NC
2394 /* A local function descriptor, for FDPIC. The refcount counts
2395 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2396 relocations; the PLT and GOT entry are accounted
2397 for separately. After adjust_dynamic_symbol, the offset is
2398 MINUS_ONE if there is no local descriptor (dynamic linker
2399 managed and no PLT entry, or undefined weak non-dynamic).
2400 During check_relocs we do not yet know whether the local
2401 descriptor will be canonical. */
2402 union gotref funcdesc;
2403
2404 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2405 and thus require fixups or relocations. */
2406 bfd_signed_vma abs_funcdesc_refcount;
2407
3376eaf5 2408 enum {
8e45593f
NC
2409 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2410 } got_type;
3376eaf5
KK
2411};
2412
2413#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2414
2415struct sh_elf_obj_tdata
2416{
2417 struct elf_obj_tdata root;
2418
8e45593f
NC
2419 /* got_type for each local got entry. */
2420 char *local_got_type;
2421
2422 /* Function descriptor refcount and offset for each local symbol. */
2423 union gotref *local_funcdesc;
37c644f2
AO
2424};
2425
3376eaf5
KK
2426#define sh_elf_tdata(abfd) \
2427 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2428
8e45593f
NC
2429#define sh_elf_local_got_type(abfd) \
2430 (sh_elf_tdata (abfd)->local_got_type)
2431
2432#define sh_elf_local_funcdesc(abfd) \
2433 (sh_elf_tdata (abfd)->local_funcdesc)
3376eaf5 2434
0ffa91dd
NC
2435#define is_sh_elf(bfd) \
2436 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2437 && elf_tdata (bfd) != NULL \
4dfe6ac6 2438 && elf_object_id (bfd) == SH_ELF_DATA)
0ffa91dd 2439
3376eaf5
KK
2440/* Override the generic function because we need to store sh_elf_obj_tdata
2441 as the specific tdata. */
2442
b34976b6 2443static bfd_boolean
09fd220b 2444sh_elf_mkobject (bfd *abfd)
3376eaf5 2445{
0ffa91dd 2446 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
4dfe6ac6 2447 SH_ELF_DATA);
3376eaf5 2448}
b34976b6 2449
37c644f2
AO
2450/* sh ELF linker hash table. */
2451
38b1a46c
NC
2452struct elf_sh_link_hash_table
2453{
37c644f2 2454 struct elf_link_hash_table root;
37c644f2 2455
067653c5
AM
2456 /* Short-cuts to get to dynamic linker sections. */
2457 asection *sgot;
2458 asection *sgotplt;
2459 asection *srelgot;
2460 asection *splt;
2461 asection *srelplt;
2462 asection *sdynbss;
2463 asection *srelbss;
8e45593f
NC
2464 asection *sfuncdesc;
2465 asection *srelfuncdesc;
2466 asection *srofixup;
37c644f2 2467
55e6e397
RS
2468 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2469 asection *srelplt2;
2470
87d72d41
AM
2471 /* Small local sym cache. */
2472 struct sym_cache sym_cache;
3376eaf5
KK
2473
2474 /* A counter or offset to track a TLS got entry. */
2475 union
2476 {
2477 bfd_signed_vma refcount;
2478 bfd_vma offset;
2479 } tls_ldm_got;
55e6e397
RS
2480
2481 /* The type of PLT to use. */
2482 const struct elf_sh_plt_info *plt_info;
2483
2484 /* True if the target system is VxWorks. */
2485 bfd_boolean vxworks_p;
8e45593f
NC
2486
2487 /* True if the target system uses FDPIC. */
2488 bfd_boolean fdpic_p;
067653c5 2489};
37c644f2
AO
2490
2491/* Traverse an sh ELF linker hash table. */
2492
2493#define sh_elf_link_hash_traverse(table, func, info) \
2494 (elf_link_hash_traverse \
2495 (&(table)->root, \
09fd220b 2496 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2497 (info)))
2498
2499/* Get the sh ELF linker hash table from a link_info structure. */
2500
2501#define sh_elf_hash_table(p) \
4dfe6ac6
NC
2502 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2503 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
37c644f2
AO
2504
2505/* Create an entry in an sh ELF linker hash table. */
2506
2507static struct bfd_hash_entry *
09fd220b
KK
2508sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2509 struct bfd_hash_table *table,
2510 const char *string)
37c644f2
AO
2511{
2512 struct elf_sh_link_hash_entry *ret =
2513 (struct elf_sh_link_hash_entry *) entry;
2514
2515 /* Allocate the structure if it has not already been allocated by a
2516 subclass. */
2517 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2518 ret = ((struct elf_sh_link_hash_entry *)
2519 bfd_hash_allocate (table,
2520 sizeof (struct elf_sh_link_hash_entry)));
2521 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2522 return (struct bfd_hash_entry *) ret;
2523
2524 /* Call the allocation method of the superclass. */
2525 ret = ((struct elf_sh_link_hash_entry *)
2526 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2527 table, string));
2528 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2529 {
396a6083
SC
2530 ret->dyn_relocs = NULL;
2531 ret->gotplt_refcount = 0;
fbca6ad9 2532#ifdef INCLUDE_SHMEDIA
396a6083 2533 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2534#endif
8e45593f
NC
2535 ret->funcdesc.refcount = 0;
2536 ret->abs_funcdesc_refcount = 0;
2537 ret->got_type = GOT_UNKNOWN;
37c644f2
AO
2538 }
2539
2540 return (struct bfd_hash_entry *) ret;
2541}
2542
2543/* Create an sh ELF linker hash table. */
2544
2545static struct bfd_link_hash_table *
09fd220b 2546sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2547{
2548 struct elf_sh_link_hash_table *ret;
dc810e39 2549 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2550
e2d34d7d 2551 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
37c644f2
AO
2552 if (ret == (struct elf_sh_link_hash_table *) NULL)
2553 return NULL;
2554
66eb6687
AM
2555 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2556 sh_elf_link_hash_newfunc,
4dfe6ac6
NC
2557 sizeof (struct elf_sh_link_hash_entry),
2558 SH_ELF_DATA))
37c644f2 2559 {
e2d34d7d 2560 free (ret);
37c644f2
AO
2561 return NULL;
2562 }
2563
067653c5
AM
2564 ret->sgot = NULL;
2565 ret->sgotplt = NULL;
2566 ret->srelgot = NULL;
2567 ret->splt = NULL;
2568 ret->srelplt = NULL;
2569 ret->sdynbss = NULL;
2570 ret->srelbss = NULL;
55e6e397 2571 ret->srelplt2 = NULL;
87d72d41 2572 ret->sym_cache.abfd = NULL;
3376eaf5 2573 ret->tls_ldm_got.refcount = 0;
55e6e397
RS
2574 ret->plt_info = NULL;
2575 ret->vxworks_p = vxworks_object_p (abfd);
8e45593f 2576 ret->fdpic_p = fdpic_object_p (abfd);
067653c5 2577
37c644f2
AO
2578 return &ret->root.root;
2579}
2580
8e45593f
NC
2581static bfd_boolean
2582sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2583 struct bfd_link_info *info, asection *p)
2584{
2585 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2586
2587 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2588 if (!htab->fdpic_p)
2589 return TRUE;
2590
2591 /* We need dynamic symbols for every section, since segments can
2592 relocate independently. */
2593 switch (elf_section_data (p)->this_hdr.sh_type)
2594 {
2595 case SHT_PROGBITS:
2596 case SHT_NOBITS:
2597 /* If sh_type is yet undecided, assume it could be
2598 SHT_PROGBITS/SHT_NOBITS. */
2599 case SHT_NULL:
2600 return FALSE;
2601
2602 /* There shouldn't be section relative relocations
2603 against any other section. */
2604 default:
2605 return TRUE;
2606 }
2607}
2608
067653c5
AM
2609/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2610 shortcuts to them in our hash table. */
2611
b34976b6 2612static bfd_boolean
09fd220b 2613create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2614{
2615 struct elf_sh_link_hash_table *htab;
2616
2617 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2618 return FALSE;
067653c5
AM
2619
2620 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2621 if (htab == NULL)
2622 return FALSE;
2623
067653c5
AM
2624 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
2625 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
64e77c6d
L
2626 htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2627 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
067653c5 2628 abort ();
8e45593f
NC
2629
2630 htab->sfuncdesc = bfd_make_section_with_flags (dynobj, ".got.funcdesc",
2631 (SEC_ALLOC | SEC_LOAD
2632 | SEC_HAS_CONTENTS
2633 | SEC_IN_MEMORY
2634 | SEC_LINKER_CREATED));
2635 if (htab->sfuncdesc == NULL
2636 || ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2))
2637 return FALSE;
2638
2639 htab->srelfuncdesc = bfd_make_section_with_flags (dynobj,
2640 ".rela.got.funcdesc",
2641 (SEC_ALLOC | SEC_LOAD
2642 | SEC_HAS_CONTENTS
2643 | SEC_IN_MEMORY
2644 | SEC_LINKER_CREATED
2645 | SEC_READONLY));
2646 if (htab->srelfuncdesc == NULL
2647 || ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2))
2648 return FALSE;
2649
2650 /* Also create .rofixup. */
2651 htab->srofixup = bfd_make_section_with_flags (dynobj, ".rofixup",
2652 (SEC_ALLOC | SEC_LOAD
2653 | SEC_HAS_CONTENTS
2654 | SEC_IN_MEMORY
2655 | SEC_LINKER_CREATED
2656 | SEC_READONLY));
2657 if (htab->srofixup == NULL
2658 || ! bfd_set_section_alignment (dynobj, htab->srofixup, 2))
2659 return FALSE;
2660
b34976b6 2661 return TRUE;
067653c5
AM
2662}
2663
37c644f2
AO
2664/* Create dynamic sections when linking against a dynamic object. */
2665
b34976b6 2666static bfd_boolean
09fd220b 2667sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2668{
067653c5 2669 struct elf_sh_link_hash_table *htab;
37c644f2 2670 flagword flags, pltflags;
91d6fa6a 2671 asection *s;
9c5bfbb7 2672 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2673 int ptralign = 0;
2674
2675 switch (bed->s->arch_size)
2676 {
2677 case 32:
2678 ptralign = 2;
2679 break;
2680
2681 case 64:
2682 ptralign = 3;
2683 break;
2684
2685 default:
2686 bfd_set_error (bfd_error_bad_value);
b34976b6 2687 return FALSE;
37c644f2
AO
2688 }
2689
067653c5 2690 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2691 if (htab == NULL)
2692 return FALSE;
2693
35cad4c4
KK
2694 if (htab->root.dynamic_sections_created)
2695 return TRUE;
067653c5 2696
37c644f2
AO
2697 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2698 .rel[a].bss sections. */
2699
2700 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2701 | SEC_LINKER_CREATED);
2702
2703 pltflags = flags;
2704 pltflags |= SEC_CODE;
2705 if (bed->plt_not_loaded)
2706 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2707 if (bed->plt_readonly)
2708 pltflags |= SEC_READONLY;
2709
3496cb2a 2710 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2711 htab->splt = s;
2712 if (s == NULL
35cad4c4
KK
2713 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2714 return FALSE;
37c644f2
AO
2715
2716 if (bed->want_plt_sym)
2717 {
2718 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2719 .plt section. */
14a793b2
AM
2720 struct elf_link_hash_entry *h;
2721 struct bfd_link_hash_entry *bh = NULL;
2722
37c644f2
AO
2723 if (! (_bfd_generic_link_add_one_symbol
2724 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2725 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2726 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2727 return FALSE;
14a793b2
AM
2728
2729 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2730 h->def_regular = 1;
37c644f2 2731 h->type = STT_OBJECT;
7325306f 2732 htab->root.hplt = h;
37c644f2
AO
2733
2734 if (info->shared
c152c796 2735 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2736 return FALSE;
37c644f2
AO
2737 }
2738
3496cb2a
L
2739 s = bfd_make_section_with_flags (abfd,
2740 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
2741 flags | SEC_READONLY);
35cad4c4
KK
2742 htab->srelplt = s;
2743 if (s == NULL
35cad4c4
KK
2744 || ! bfd_set_section_alignment (abfd, s, ptralign))
2745 return FALSE;
37c644f2 2746
2293c499
AM
2747 if (htab->sgot == NULL
2748 && !create_got_section (abfd, info))
b34976b6 2749 return FALSE;
37c644f2
AO
2750
2751 {
2752 const char *secname;
2753 char *relname;
2754 flagword secflags;
2755 asection *sec;
2756
2757 for (sec = abfd->sections; sec; sec = sec->next)
2758 {
2759 secflags = bfd_get_section_flags (abfd, sec);
2760 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
2761 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
2762 continue;
2763 secname = bfd_get_section_name (abfd, sec);
dc810e39 2764 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
37c644f2
AO
2765 strcpy (relname, ".rela");
2766 strcat (relname, secname);
03151a5a
KK
2767 if (bfd_get_section_by_name (abfd, secname))
2768 continue;
3496cb2a
L
2769 s = bfd_make_section_with_flags (abfd, relname,
2770 flags | SEC_READONLY);
37c644f2 2771 if (s == NULL
37c644f2 2772 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2773 return FALSE;
37c644f2
AO
2774 }
2775 }
2776
2777 if (bed->want_dynbss)
2778 {
2779 /* The .dynbss section is a place to put symbols which are defined
2780 by dynamic objects, are referenced by regular objects, and are
2781 not functions. We must allocate space for them in the process
2782 image and use a R_*_COPY reloc to tell the dynamic linker to
2783 initialize them at run time. The linker script puts the .dynbss
2784 section into the .bss section of the final image. */
3496cb2a
L
2785 s = bfd_make_section_with_flags (abfd, ".dynbss",
2786 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2787 htab->sdynbss = s;
3496cb2a 2788 if (s == NULL)
35cad4c4 2789 return FALSE;
37c644f2
AO
2790
2791 /* The .rel[a].bss section holds copy relocs. This section is not
2792 normally needed. We need to create it here, though, so that the
2793 linker will map it to an output section. We can't just create it
2794 only if we need it, because we will not know whether we need it
2795 until we have seen all the input files, and the first time the
2796 main linker code calls BFD after examining all the input files
2797 (size_dynamic_sections) the input sections have already been
2798 mapped to the output sections. If the section turns out not to
2799 be needed, we can discard it later. We will never need this
2800 section when generating a shared object, since they do not use
2801 copy relocs. */
35cad4c4 2802 if (! info->shared)
37c644f2 2803 {
3496cb2a
L
2804 s = bfd_make_section_with_flags (abfd,
2805 (bed->default_use_rela_p
2806 ? ".rela.bss" : ".rel.bss"),
2807 flags | SEC_READONLY);
067653c5 2808 htab->srelbss = s;
37c644f2 2809 if (s == NULL
37c644f2 2810 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2811 return FALSE;
37c644f2
AO
2812 }
2813 }
2814
55e6e397
RS
2815 if (htab->vxworks_p)
2816 {
2817 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2818 return FALSE;
2819 }
2820
b34976b6 2821 return TRUE;
37c644f2
AO
2822}
2823\f
37c644f2
AO
2824/* Adjust a symbol defined by a dynamic object and referenced by a
2825 regular object. The current definition is in some section of the
2826 dynamic object, but we're not including those sections. We have to
2827 change the definition to something the rest of the link can
2828 understand. */
2829
b34976b6 2830static bfd_boolean
09fd220b
KK
2831sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2832 struct elf_link_hash_entry *h)
37c644f2 2833{
067653c5
AM
2834 struct elf_sh_link_hash_table *htab;
2835 struct elf_sh_link_hash_entry *eh;
2836 struct elf_sh_dyn_relocs *p;
37c644f2 2837 asection *s;
37c644f2 2838
2293c499 2839 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2840 if (htab == NULL)
2841 return FALSE;
37c644f2
AO
2842
2843 /* Make sure we know what is going on here. */
2293c499 2844 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2845 && (h->needs_plt
f6e332e6 2846 || h->u.weakdef != NULL
f5385ebf
AM
2847 || (h->def_dynamic
2848 && h->ref_regular
2849 && !h->def_regular)));
37c644f2
AO
2850
2851 /* If this is a function, put it in the procedure linkage table. We
2852 will fill in the contents of the procedure linkage table later,
2853 when we know the address of the .got section. */
2854 if (h->type == STT_FUNC
f5385ebf 2855 || h->needs_plt)
37c644f2 2856 {
067653c5 2857 if (h->plt.refcount <= 0
3d85aebe
KK
2858 || SYMBOL_CALLS_LOCAL (info, h)
2859 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2860 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2861 {
2862 /* This case can occur if we saw a PLT reloc in an input
2863 file, but the symbol was never referred to by a dynamic
2864 object. In such a case, we don't actually need to build
2865 a procedure linkage table, and we can just do a REL32
2866 reloc instead. */
067653c5 2867 h->plt.offset = (bfd_vma) -1;
f5385ebf 2868 h->needs_plt = 0;
37c644f2
AO
2869 }
2870
b34976b6 2871 return TRUE;
37c644f2 2872 }
067653c5
AM
2873 else
2874 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2875
2876 /* If this is a weak symbol, and there is a real definition, the
2877 processor independent code will have arranged for us to see the
2878 real definition first, and we can just use the same value. */
f6e332e6 2879 if (h->u.weakdef != NULL)
37c644f2 2880 {
f6e332e6
AM
2881 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2882 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2883 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2884 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2885 if (info->nocopyreloc)
f6e332e6 2886 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2887 return TRUE;
37c644f2
AO
2888 }
2889
2890 /* This is a reference to a symbol defined by a dynamic object which
2891 is not a function. */
2892
2893 /* If we are creating a shared library, we must presume that the
2894 only references to the symbol are via the global offset table.
2895 For such cases we need not do anything here; the relocations will
2896 be handled correctly by relocate_section. */
2897 if (info->shared)
b34976b6 2898 return TRUE;
37c644f2
AO
2899
2900 /* If there are no references to this symbol that do not use the
2901 GOT, we don't need to generate a copy reloc. */
f5385ebf 2902 if (!h->non_got_ref)
b34976b6 2903 return TRUE;
37c644f2 2904
067653c5
AM
2905 /* If -z nocopyreloc was given, we won't generate them either. */
2906 if (info->nocopyreloc)
2907 {
f5385ebf 2908 h->non_got_ref = 0;
b34976b6 2909 return TRUE;
067653c5
AM
2910 }
2911
2912 eh = (struct elf_sh_link_hash_entry *) h;
2913 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2914 {
2915 s = p->sec->output_section;
2916 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2917 break;
2918 }
2919
2920 /* If we didn't find any dynamic relocs in sections which needs the
2921 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2922 the copy reloc. */
2923 if (p == NULL)
2924 {
f5385ebf 2925 h->non_got_ref = 0;
b34976b6 2926 return TRUE;
067653c5
AM
2927 }
2928
909272ee
AM
2929 if (h->size == 0)
2930 {
2931 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2932 h->root.root.string);
2933 return TRUE;
2934 }
2935
37c644f2
AO
2936 /* We must allocate the symbol in our .dynbss section, which will
2937 become part of the .bss section of the executable. There will be
2938 an entry for this symbol in the .dynsym section. The dynamic
2939 object will contain position independent code, so all references
2940 from the dynamic object to this symbol will go through the global
2941 offset table. The dynamic linker will use the .dynsym entry to
2942 determine the address it must put in the global offset table, so
2943 both the dynamic object and the regular object will refer to the
2944 same memory location for the variable. */
2945
067653c5 2946 s = htab->sdynbss;
37c644f2
AO
2947 BFD_ASSERT (s != NULL);
2948
2949 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2950 copy the initial value out of the dynamic object and into the
2951 runtime process image. We need to remember the offset into the
2952 .rela.bss section we are going to use. */
2953 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2954 {
2955 asection *srel;
2956
067653c5 2957 srel = htab->srelbss;
37c644f2 2958 BFD_ASSERT (srel != NULL);
eea6121a 2959 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2960 h->needs_copy = 1;
37c644f2
AO
2961 }
2962
027297b7 2963 return _bfd_elf_adjust_dynamic_copy (h, s);
37c644f2
AO
2964}
2965
067653c5
AM
2966/* Allocate space in .plt, .got and associated reloc sections for
2967 dynamic relocs. */
2968
b34976b6 2969static bfd_boolean
09fd220b 2970allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2971{
2972 struct bfd_link_info *info;
2973 struct elf_sh_link_hash_table *htab;
2974 struct elf_sh_link_hash_entry *eh;
2975 struct elf_sh_dyn_relocs *p;
2976
2977 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2978 return TRUE;
067653c5
AM
2979
2980 if (h->root.type == bfd_link_hash_warning)
2981 /* When warning symbols are created, they **replace** the "real"
2982 entry in the hash table, thus we never get to see the real
2983 symbol in a hash traversal. So look at it now. */
2984 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2985
2986 info = (struct bfd_link_info *) inf;
2987 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2988 if (htab == NULL)
2989 return FALSE;
067653c5 2990
4989d792
SC
2991 eh = (struct elf_sh_link_hash_entry *) h;
2992 if ((h->got.refcount > 0
f5385ebf 2993 || h->forced_local)
4989d792
SC
2994 && eh->gotplt_refcount > 0)
2995 {
2996 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2997 so treat all the gotplt refs as got refs. */
4989d792
SC
2998 h->got.refcount += eh->gotplt_refcount;
2999 if (h->plt.refcount >= eh->gotplt_refcount)
3000 h->plt.refcount -= eh->gotplt_refcount;
3001 }
3002
067653c5 3003 if (htab->root.dynamic_sections_created
04e534c3
KK
3004 && h->plt.refcount > 0
3005 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3006 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
3007 {
3008 /* Make sure this symbol is output as a dynamic symbol.
3009 Undefined weak syms won't yet be marked as dynamic. */
3010 if (h->dynindx == -1
f5385ebf 3011 && !h->forced_local)
067653c5 3012 {
c152c796 3013 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3014 return FALSE;
067653c5
AM
3015 }
3016
267fb3c1
KK
3017 if (info->shared
3018 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
3019 {
3020 asection *s = htab->splt;
8e45593f 3021 const struct elf_sh_plt_info *plt_info;
067653c5
AM
3022
3023 /* If this is the first .plt entry, make room for the special
3024 first entry. */
eea6121a 3025 if (s->size == 0)
55e6e397 3026 s->size += htab->plt_info->plt0_entry_size;
067653c5 3027
eea6121a 3028 h->plt.offset = s->size;
067653c5
AM
3029
3030 /* If this symbol is not defined in a regular file, and we are
3031 not generating a shared library, then set the symbol to this
3032 location in the .plt. This is required to make function
3033 pointers compare as equal between the normal executable and
8e45593f
NC
3034 the shared library. Skip this for FDPIC, since the
3035 function's address will be the address of the canonical
3036 function descriptor. */
3037 if (!htab->fdpic_p && !info->shared && !h->def_regular)
067653c5
AM
3038 {
3039 h->root.u.def.section = s;
3040 h->root.u.def.value = h->plt.offset;
3041 }
3042
3043 /* Make room for this entry. */
8e45593f
NC
3044 plt_info = htab->plt_info;
3045 if (plt_info->short_plt != NULL
3046 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
3047 plt_info = plt_info->short_plt;
3048 s->size += plt_info->symbol_entry_size;
067653c5
AM
3049
3050 /* We also need to make an entry in the .got.plt section, which
3051 will be placed in the .got section by the linker script. */
8e45593f
NC
3052 if (!htab->fdpic_p)
3053 htab->sgotplt->size += 4;
3054 else
3055 htab->sgotplt->size += 8;
067653c5
AM
3056
3057 /* We also need to make an entry in the .rel.plt section. */
eea6121a 3058 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
3059
3060 if (htab->vxworks_p && !info->shared)
3061 {
3062 /* VxWorks executables have a second set of relocations
3063 for each PLT entry. They go in a separate relocation
3064 section, which is processed by the kernel loader. */
3065
3066 /* There is a relocation for the initial PLT entry:
3067 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
3068 if (h->plt.offset == htab->plt_info->plt0_entry_size)
3069 htab->srelplt2->size += sizeof (Elf32_External_Rela);
3070
3071 /* There are two extra relocations for each subsequent
3072 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
3073 and an R_SH_DIR32 relocation for the PLT entry. */
3074 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
3075 }
067653c5
AM
3076 }
3077 else
3078 {
3079 h->plt.offset = (bfd_vma) -1;
f5385ebf 3080 h->needs_plt = 0;
067653c5
AM
3081 }
3082 }
3083 else
3084 {
3085 h->plt.offset = (bfd_vma) -1;
f5385ebf 3086 h->needs_plt = 0;
067653c5
AM
3087 }
3088
3089 if (h->got.refcount > 0)
3090 {
3091 asection *s;
b34976b6 3092 bfd_boolean dyn;
8e45593f 3093 int got_type = sh_elf_hash_entry (h)->got_type;
067653c5
AM
3094
3095 /* Make sure this symbol is output as a dynamic symbol.
3096 Undefined weak syms won't yet be marked as dynamic. */
3097 if (h->dynindx == -1
f5385ebf 3098 && !h->forced_local)
067653c5 3099 {
c152c796 3100 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3101 return FALSE;
067653c5
AM
3102 }
3103
3104 s = htab->sgot;
eea6121a
AM
3105 h->got.offset = s->size;
3106 s->size += 4;
3376eaf5 3107 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
8e45593f 3108 if (got_type == GOT_TLS_GD)
eea6121a 3109 s->size += 4;
067653c5 3110 dyn = htab->root.dynamic_sections_created;
8e45593f
NC
3111 if (!dyn)
3112 {
3113 /* No dynamic relocations required. */
3114 if (htab->fdpic_p && !info->shared
3115 && h->root.type != bfd_link_hash_undefweak
3116 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
3117 htab->srofixup->size += 4;
3118 }
267fb3c1 3119 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5 3120 R_SH_TLS_GD needs one if local symbol and two if global. */
8e45593f
NC
3121 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
3122 || got_type == GOT_TLS_IE)
eea6121a 3123 htab->srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 3124 else if (got_type == GOT_TLS_GD)
eea6121a 3125 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
8e45593f
NC
3126 else if (got_type == GOT_FUNCDESC)
3127 {
3128 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3129 htab->srofixup->size += 4;
3130 else
3131 htab->srelgot->size += sizeof (Elf32_External_Rela);
3132 }
04e534c3
KK
3133 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3134 || h->root.type != bfd_link_hash_undefweak)
3135 && (info->shared
3136 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 3137 htab->srelgot->size += sizeof (Elf32_External_Rela);
8e45593f
NC
3138 else if (htab->fdpic_p && !info->shared && got_type == GOT_NORMAL
3139 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3140 || h->root.type != bfd_link_hash_undefweak))
3141 htab->srofixup->size += 4;
067653c5
AM
3142 }
3143 else
3144 h->got.offset = (bfd_vma) -1;
3145
396a6083
SC
3146#ifdef INCLUDE_SHMEDIA
3147 if (eh->datalabel_got.refcount > 0)
3148 {
3149 asection *s;
b34976b6 3150 bfd_boolean dyn;
396a6083
SC
3151
3152 /* Make sure this symbol is output as a dynamic symbol.
3153 Undefined weak syms won't yet be marked as dynamic. */
3154 if (h->dynindx == -1
f5385ebf 3155 && !h->forced_local)
396a6083 3156 {
c152c796 3157 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3158 return FALSE;
396a6083
SC
3159 }
3160
3161 s = htab->sgot;
eea6121a
AM
3162 eh->datalabel_got.offset = s->size;
3163 s->size += 4;
396a6083 3164 dyn = htab->root.dynamic_sections_created;
267fb3c1 3165 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 3166 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
3167 }
3168 else
3169 eh->datalabel_got.offset = (bfd_vma) -1;
3170#endif
3171
8e45593f
NC
3172 /* Allocate space for any dynamic relocations to function
3173 descriptors, canonical or otherwise. We need to relocate the
3174 reference unless it resolves to zero, which only happens for
3175 undefined weak symbols (either non-default visibility, or when
3176 static linking). Any GOT slot is accounted for elsewhere. */
3177 if (eh->abs_funcdesc_refcount > 0
3178 && (h->root.type != bfd_link_hash_undefweak
3179 || (htab->root.dynamic_sections_created
3180 && ! SYMBOL_CALLS_LOCAL (info, h))))
3181 {
3182 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3183 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
3184 else
3185 htab->srelgot->size
3186 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
3187 }
3188
3189 /* We must allocate a function descriptor if there are references to
3190 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
3191 the dynamic linker isn't going to allocate it. None of this
3192 applies if we already created one in .got.plt, but if the
3193 canonical function descriptor can be in this object, there
3194 won't be a PLT entry at all. */
3195 if ((eh->funcdesc.refcount > 0
3196 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
3197 && h->root.type != bfd_link_hash_undefweak
3198 && SYMBOL_FUNCDESC_LOCAL (info, h))
3199 {
3200 /* Make room for this function descriptor. */
3201 eh->funcdesc.offset = htab->sfuncdesc->size;
3202 htab->sfuncdesc->size += 8;
3203
3204 /* We will need a relocation or two fixups to initialize the
3205 function descriptor, so allocate those too. */
3206 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3207 htab->srofixup->size += 8;
3208 else
3209 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3210 }
3211
067653c5 3212 if (eh->dyn_relocs == NULL)
b34976b6 3213 return TRUE;
067653c5
AM
3214
3215 /* In the shared -Bsymbolic case, discard space allocated for
3216 dynamic pc-relative relocs against symbols which turn out to be
3217 defined in regular objects. For the normal shared case, discard
3218 space for pc-relative relocs that have become local due to symbol
3219 visibility changes. */
3220
3221 if (info->shared)
3222 {
3d85aebe 3223 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
3224 {
3225 struct elf_sh_dyn_relocs **pp;
3226
3227 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3228 {
3229 p->count -= p->pc_count;
3230 p->pc_count = 0;
3231 if (p->count == 0)
3232 *pp = p->next;
3233 else
3234 pp = &p->next;
3235 }
3236 }
04e534c3 3237
3348747a
NS
3238 if (htab->vxworks_p)
3239 {
3240 struct elf_sh_dyn_relocs **pp;
3241
3242 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3243 {
3244 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
3245 *pp = p->next;
3246 else
3247 pp = &p->next;
3248 }
3249 }
3250
04e534c3
KK
3251 /* Also discard relocs on undefined weak syms with non-default
3252 visibility. */
22d606e9 3253 if (eh->dyn_relocs != NULL
04e534c3 3254 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
3255 {
3256 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3257 eh->dyn_relocs = NULL;
3258
3259 /* Make sure undefined weak symbols are output as a dynamic
3260 symbol in PIEs. */
3261 else if (h->dynindx == -1
3262 && !h->forced_local)
3263 {
3264 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3265 return FALSE;
3266 }
3267 }
067653c5
AM
3268 }
3269 else
3270 {
3271 /* For the non-shared case, discard space for relocs against
3272 symbols which turn out to need copy relocs or are not
3273 dynamic. */
3274
f5385ebf
AM
3275 if (!h->non_got_ref
3276 && ((h->def_dynamic
3277 && !h->def_regular)
067653c5
AM
3278 || (htab->root.dynamic_sections_created
3279 && (h->root.type == bfd_link_hash_undefweak
3280 || h->root.type == bfd_link_hash_undefined))))
3281 {
3282 /* Make sure this symbol is output as a dynamic symbol.
3283 Undefined weak syms won't yet be marked as dynamic. */
3284 if (h->dynindx == -1
f5385ebf 3285 && !h->forced_local)
067653c5 3286 {
c152c796 3287 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3288 return FALSE;
067653c5
AM
3289 }
3290
3291 /* If that succeeded, we know we'll be keeping all the
3292 relocs. */
3293 if (h->dynindx != -1)
3294 goto keep;
3295 }
3296
3297 eh->dyn_relocs = NULL;
3298
3299 keep: ;
3300 }
3301
3302 /* Finally, allocate space. */
3303 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3304 {
3305 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 3306 sreloc->size += p->count * sizeof (Elf32_External_Rela);
8e45593f
NC
3307
3308 /* If we need relocations, we do not need fixups. */
3309 if (htab->fdpic_p && !info->shared)
3310 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5
AM
3311 }
3312
b34976b6 3313 return TRUE;
067653c5
AM
3314}
3315
3316/* Find any dynamic relocs that apply to read-only sections. */
3317
b34976b6 3318static bfd_boolean
09fd220b 3319readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
3320{
3321 struct elf_sh_link_hash_entry *eh;
3322 struct elf_sh_dyn_relocs *p;
3323
3324 if (h->root.type == bfd_link_hash_warning)
3325 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3326
3327 eh = (struct elf_sh_link_hash_entry *) h;
3328 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3329 {
3330 asection *s = p->sec->output_section;
3331
3332 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3333 {
3334 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3335
3336 info->flags |= DF_TEXTREL;
3337
3338 /* Not an error, just cut short the traversal. */
b34976b6 3339 return FALSE;
067653c5
AM
3340 }
3341 }
b34976b6 3342 return TRUE;
067653c5
AM
3343}
3344
55e6e397
RS
3345/* This function is called after all the input files have been read,
3346 and the input sections have been assigned to output sections.
3347 It's a convenient place to determine the PLT style. */
3348
3349static bfd_boolean
3350sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3351{
3352 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
8e45593f
NC
3353
3354 if (sh_elf_hash_table (info)->fdpic_p && !info->relocatable)
3355 {
3356 struct elf_link_hash_entry *h;
3357
3358 /* Force a PT_GNU_STACK segment to be created. */
3359 if (! elf_tdata (output_bfd)->stack_flags)
3360 elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
3361
3362 /* Define __stacksize if it's not defined yet. */
3363 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3364 FALSE, FALSE, FALSE);
3365 if (! h || h->root.type != bfd_link_hash_defined
3366 || h->type != STT_OBJECT
3367 || !h->def_regular)
3368 {
3369 struct bfd_link_hash_entry *bh = NULL;
3370
3371 if (!(_bfd_generic_link_add_one_symbol
3372 (info, output_bfd, "__stacksize",
3373 BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
3374 (const char *) NULL, FALSE,
3375 get_elf_backend_data (output_bfd)->collect, &bh)))
3376 return FALSE;
3377
3378 h = (struct elf_link_hash_entry *) bh;
3379 h->def_regular = 1;
3380 h->type = STT_OBJECT;
3381 }
3382 }
3383 return TRUE;
3384}
3385
3386#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
3387
3388static bfd_boolean
3389sh_elf_modify_program_headers (bfd *output_bfd, struct bfd_link_info *info)
3390{
3391 struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
3392 struct elf_segment_map *m;
3393 Elf_Internal_Phdr *p;
3394
3395 /* objcopy and strip preserve what's already there using
3396 sh_elf_copy_private_bfd_data (). */
3397 if (! info)
3398 return TRUE;
3399
3400 for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
3401 if (m->p_type == PT_GNU_STACK)
3402 break;
3403
3404 if (m)
3405 {
3406 struct elf_link_hash_entry *h;
3407
3408 /* Obtain the pointer to the __stacksize symbol. */
3409 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3410 FALSE, FALSE, FALSE);
3411 if (h)
3412 {
3413 while (h->root.type == bfd_link_hash_indirect
3414 || h->root.type == bfd_link_hash_warning)
3415 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3416 BFD_ASSERT (h->root.type == bfd_link_hash_defined);
3417 }
3418
3419 /* Set the header p_memsz from the symbol value. We
3420 intentionally ignore the symbol section. */
3421 if (h && h->root.type == bfd_link_hash_defined)
3422 p->p_memsz = h->root.u.def.value;
3423 else
3424 p->p_memsz = DEFAULT_STACK_SIZE;
3425
3426 p->p_align = 8;
3427 }
3428
55e6e397
RS
3429 return TRUE;
3430}
3431
8e45593f
NC
3432#endif
3433
37c644f2
AO
3434/* Set the sizes of the dynamic sections. */
3435
b34976b6 3436static bfd_boolean
09fd220b
KK
3437sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3438 struct bfd_link_info *info)
37c644f2 3439{
067653c5 3440 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3441 bfd *dynobj;
3442 asection *s;
b34976b6 3443 bfd_boolean relocs;
067653c5 3444 bfd *ibfd;
37c644f2 3445
067653c5 3446 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
3447 if (htab == NULL)
3448 return FALSE;
3449
067653c5 3450 dynobj = htab->root.dynobj;
37c644f2
AO
3451 BFD_ASSERT (dynobj != NULL);
3452
067653c5 3453 if (htab->root.dynamic_sections_created)
37c644f2
AO
3454 {
3455 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 3456 if (info->executable)
37c644f2
AO
3457 {
3458 s = bfd_get_section_by_name (dynobj, ".interp");
3459 BFD_ASSERT (s != NULL);
eea6121a 3460 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
3461 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3462 }
3463 }
37c644f2 3464
067653c5
AM
3465 /* Set up .got offsets for local syms, and space for local dynamic
3466 relocs. */
3467 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
37c644f2 3468 {
067653c5
AM
3469 bfd_signed_vma *local_got;
3470 bfd_signed_vma *end_local_got;
8e45593f
NC
3471 union gotref *local_funcdesc, *end_local_funcdesc;
3472 char *local_got_type;
067653c5
AM
3473 bfd_size_type locsymcount;
3474 Elf_Internal_Shdr *symtab_hdr;
3475 asection *srel;
37c644f2 3476
0ffa91dd 3477 if (! is_sh_elf (ibfd))
37c644f2
AO
3478 continue;
3479
067653c5 3480 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 3481 {
067653c5
AM
3482 struct elf_sh_dyn_relocs *p;
3483
3484 for (p = ((struct elf_sh_dyn_relocs *)
3485 elf_section_data (s)->local_dynrel);
3486 p != NULL;
3487 p = p->next)
37c644f2 3488 {
067653c5
AM
3489 if (! bfd_is_abs_section (p->sec)
3490 && bfd_is_abs_section (p->sec->output_section))
3491 {
3492 /* Input section has been discarded, either because
3493 it is a copy of a linkonce section or due to
3494 linker script /DISCARD/, so we'll be discarding
3495 the relocs too. */
3496 }
3348747a
NS
3497 else if (htab->vxworks_p
3498 && strcmp (p->sec->output_section->name,
3499 ".tls_vars") == 0)
3500 {
3501 /* Relocations in vxworks .tls_vars sections are
3502 handled specially by the loader. */
3503 }
067653c5
AM
3504 else if (p->count != 0)
3505 {
3506 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3507 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
3508 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3509 info->flags |= DF_TEXTREL;
8e45593f
NC
3510
3511 /* If we need relocations, we do not need fixups. */
3512 if (htab->fdpic_p && !info->shared)
3513 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5 3514 }
37c644f2
AO
3515 }
3516 }
067653c5 3517
0ffa91dd 3518 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
3519 locsymcount = symtab_hdr->sh_info;
3520#ifdef INCLUDE_SHMEDIA
3521 /* Count datalabel local GOT. */
3522 locsymcount *= 2;
3523#endif
067653c5
AM
3524 s = htab->sgot;
3525 srel = htab->srelgot;
8e45593f
NC
3526
3527 local_got = elf_local_got_refcounts (ibfd);
3528 if (local_got)
37c644f2 3529 {
8e45593f
NC
3530 end_local_got = local_got + locsymcount;
3531 local_got_type = sh_elf_local_got_type (ibfd);
3532 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3533 for (; local_got < end_local_got; ++local_got)
37c644f2 3534 {
8e45593f
NC
3535 if (*local_got > 0)
3536 {
3537 *local_got = s->size;
3538 s->size += 4;
3539 if (*local_got_type == GOT_TLS_GD)
3540 s->size += 4;
3541 if (info->shared)
3542 srel->size += sizeof (Elf32_External_Rela);
3543 else
3544 htab->srofixup->size += 4;
3545
3546 if (*local_got_type == GOT_FUNCDESC)
3547 {
3548 if (local_funcdesc == NULL)
3549 {
3550 bfd_size_type size;
3551
3552 size = locsymcount * sizeof (union gotref);
3553 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3554 size);
3555 if (local_funcdesc == NULL)
3556 return FALSE;
3557 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3558 local_funcdesc += (local_got
3559 - elf_local_got_refcounts (ibfd));
3560 }
3561 local_funcdesc->refcount++;
3562 ++local_funcdesc;
3563 }
3564 }
3565 else
3566 *local_got = (bfd_vma) -1;
3567 ++local_got_type;
3568 }
3569 }
3570
3571 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3572 if (local_funcdesc)
3573 {
3574 end_local_funcdesc = local_funcdesc + locsymcount;
3575
3576 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3577 {
3578 if (local_funcdesc->refcount > 0)
3579 {
3580 local_funcdesc->offset = htab->sfuncdesc->size;
3581 htab->sfuncdesc->size += 8;
3582 if (!info->shared)
3583 htab->srofixup->size += 8;
3584 else
3585 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3586 }
3587 else
3588 local_funcdesc->offset = MINUS_ONE;
37c644f2 3589 }
37c644f2 3590 }
8e45593f 3591
067653c5
AM
3592 }
3593
3376eaf5
KK
3594 if (htab->tls_ldm_got.refcount > 0)
3595 {
3596 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3597 relocs. */
eea6121a
AM
3598 htab->tls_ldm_got.offset = htab->sgot->size;
3599 htab->sgot->size += 8;
3600 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3601 }
3602 else
3603 htab->tls_ldm_got.offset = -1;
3604
8e45593f
NC
3605 /* Only the reserved entries should be present. For FDPIC, they go at
3606 the end of .got.plt. */
3607 if (htab->fdpic_p)
3608 {
3609 BFD_ASSERT (htab->sgotplt && htab->sgotplt->size == 12);
3610 htab->sgotplt->size = 0;
3611 }
3612
067653c5
AM
3613 /* Allocate global sym .plt and .got entries, and space for global
3614 sym dynamic relocs. */
09fd220b 3615 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5 3616
8e45593f
NC
3617 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3618 end of the FDPIC .got.plt. */
3619 if (htab->fdpic_p)
3620 {
3621 htab->root.hgot->root.u.def.value = htab->sgotplt->size;
3622 htab->sgotplt->size += 12;
3623 }
3624
3625 /* At the very end of the .rofixup section is a pointer to the GOT. */
3626 if (htab->fdpic_p && htab->srofixup != NULL)
3627 htab->srofixup->size += 4;
3628
067653c5
AM
3629 /* We now have determined the sizes of the various dynamic sections.
3630 Allocate memory for them. */
b34976b6 3631 relocs = FALSE;
067653c5
AM
3632 for (s = dynobj->sections; s != NULL; s = s->next)
3633 {
3634 if ((s->flags & SEC_LINKER_CREATED) == 0)
3635 continue;
3636
3637 if (s == htab->splt
3638 || s == htab->sgot
c456f082 3639 || s == htab->sgotplt
8e45593f
NC
3640 || s == htab->sfuncdesc
3641 || s == htab->srofixup
c456f082 3642 || s == htab->sdynbss)
067653c5
AM
3643 {
3644 /* Strip this section if we don't need it; see the
3645 comment below. */
3646 }
0112cd26 3647 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3648 {
55e6e397 3649 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3650 relocs = TRUE;
067653c5
AM
3651
3652 /* We use the reloc_count field as a counter if we need
3653 to copy relocs into the output file. */
3654 s->reloc_count = 0;
3655 }
3656 else
37c644f2
AO
3657 {
3658 /* It's not one of our sections, so don't allocate space. */
3659 continue;
3660 }
3661
eea6121a 3662 if (s->size == 0)
37c644f2 3663 {
067653c5
AM
3664 /* If we don't need this section, strip it from the
3665 output file. This is mostly to handle .rela.bss and
3666 .rela.plt. We must create both sections in
3667 create_dynamic_sections, because they must be created
3668 before the linker maps input sections to output
3669 sections. The linker does that before
3670 adjust_dynamic_symbol is called, and it is that
3671 function which decides whether anything needs to go
3672 into these sections. */
3673
8423293d 3674 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3675 continue;
3676 }
3677
c456f082
AM
3678 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3679 continue;
3680
067653c5
AM
3681 /* Allocate memory for the section contents. We use bfd_zalloc
3682 here in case unused entries are not reclaimed before the
3683 section's contents are written out. This should not happen,
3684 but this way if it does, we get a R_SH_NONE reloc instead
3685 of garbage. */
eea6121a 3686 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3687 if (s->contents == NULL)
b34976b6 3688 return FALSE;
37c644f2
AO
3689 }
3690
067653c5 3691 if (htab->root.dynamic_sections_created)
37c644f2
AO
3692 {
3693 /* Add some entries to the .dynamic section. We fill in the
3694 values later, in sh_elf_finish_dynamic_sections, but we
3695 must add the entries now so that we get the correct size for
3696 the .dynamic section. The DT_DEBUG entry is filled in by the
3697 dynamic linker and used by the debugger. */
dc810e39 3698#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3699 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3700
2558b9a9 3701 if (info->executable)
37c644f2 3702 {
067653c5 3703 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3704 return FALSE;
37c644f2
AO
3705 }
3706
eea6121a 3707 if (htab->splt->size != 0)
37c644f2 3708 {
067653c5
AM
3709 if (! add_dynamic_entry (DT_PLTGOT, 0)
3710 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3711 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3712 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3713 return FALSE;
37c644f2 3714 }
8e45593f
NC
3715 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC)
3716 && htab->sgot->size != 0)
3717 {
3718 if (! add_dynamic_entry (DT_PLTGOT, 0))
3719 return FALSE;
3720 }
37c644f2
AO
3721
3722 if (relocs)
3723 {
067653c5
AM
3724 if (! add_dynamic_entry (DT_RELA, 0)
3725 || ! add_dynamic_entry (DT_RELASZ, 0)
3726 || ! add_dynamic_entry (DT_RELAENT,
3727 sizeof (Elf32_External_Rela)))
b34976b6 3728 return FALSE;
37c644f2 3729
067653c5
AM
3730 /* If any dynamic relocs apply to a read-only section,
3731 then we need a DT_TEXTREL entry. */
3732 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3733 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3734
3735 if ((info->flags & DF_TEXTREL) != 0)
3736 {
3737 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3738 return FALSE;
067653c5 3739 }
37c644f2 3740 }
7a2b07ff
NS
3741 if (htab->vxworks_p
3742 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3743 return FALSE;
37c644f2 3744 }
dc810e39 3745#undef add_dynamic_entry
37c644f2 3746
b34976b6 3747 return TRUE;
37c644f2 3748}
37c644f2 3749\f
8e45593f 3750/* Add a dynamic relocation to the SRELOC section. */
37c644f2 3751
8e45593f
NC
3752inline static bfd_vma
3753sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3754 int reloc_type, long dynindx, bfd_vma addend)
37c644f2 3755{
8e45593f
NC
3756 Elf_Internal_Rela outrel;
3757 bfd_vma reloc_offset;
37c644f2 3758
8e45593f
NC
3759 outrel.r_offset = offset;
3760 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3761 outrel.r_addend = addend;
0ffa91dd 3762
8e45593f
NC
3763 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3764 BFD_ASSERT (reloc_offset < sreloc->size);
3765 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3766 sreloc->contents + reloc_offset);
3767 sreloc->reloc_count++;
37c644f2 3768
8e45593f
NC
3769 return reloc_offset;
3770}
37c644f2 3771
8e45593f 3772/* Add an FDPIC read-only fixup. */
37c644f2 3773
8e45593f
NC
3774inline static void
3775sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3776{
3777 bfd_vma fixup_offset;
3778
3779 fixup_offset = srofixup->reloc_count++ * 4;
3780 BFD_ASSERT (fixup_offset < srofixup->size);
3781 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3782}
3783
3784/* Return the offset of the generated .got section from the
3785 _GLOBAL_OFFSET_TABLE_ symbol. */
3786
3787static bfd_signed_vma
3788sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3789{
3790 return (htab->sgot->output_offset - htab->sgotplt->output_offset
3791 - htab->root.hgot->root.u.def.value);
3792}
3793
3794/* Find the segment number in which OSEC, and output section, is
3795 located. */
3796
3797static unsigned
3798sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3799{
3800 Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section (output_bfd,
3801 osec);
3802
3803 /* FIXME: Nothing ever says what this index is relative to. The kernel
3804 supplies data in terms of the number of load segments but this is
3805 a phdr index and the first phdr may not be a load segment. */
3806 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3807}
3808
3809static bfd_boolean
3810sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3811{
3812 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3813
3814 return ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W);
3815}
3816
3817/* Generate the initial contents of a local function descriptor, along
3818 with any relocations or fixups required. */
3819static bfd_boolean
3820sh_elf_initialize_funcdesc (bfd *output_bfd,
3821 struct bfd_link_info *info,
3822 struct elf_link_hash_entry *h,
3823 bfd_vma offset,
3824 asection *section,
3825 bfd_vma value)
3826{
3827 struct elf_sh_link_hash_table *htab;
3828 int dynindx;
3829 bfd_vma addr, seg;
3830
3831 htab = sh_elf_hash_table (info);
3832
3833 /* FIXME: The ABI says that the offset to the function goes in the
3834 descriptor, along with the segment index. We're RELA, so it could
3835 go in the reloc instead... */
3836
3837 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3838 {
3839 section = h->root.u.def.section;
3840 value = h->root.u.def.value;
3841 }
3842
3843 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3844 {
3845 dynindx = elf_section_data (section->output_section)->dynindx;
3846 addr = value + section->output_offset;
3847 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3848 }
3849 else
3850 {
3851 BFD_ASSERT (h->dynindx != -1);
3852 dynindx = h->dynindx;
3853 addr = seg = 0;
3854 }
3855
3856 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3857 {
3858 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3859 {
3860 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3861 offset
3862 + htab->sfuncdesc->output_section->vma
3863 + htab->sfuncdesc->output_offset);
3864 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3865 offset + 4
3866 + htab->sfuncdesc->output_section->vma
3867 + htab->sfuncdesc->output_offset);
3868 }
3869
3870 /* There are no dynamic relocations so fill in the final
3871 address and gp value (barring fixups). */
3872 addr += section->output_section->vma;
3873 seg = htab->root.hgot->root.u.def.value
3874 + htab->root.hgot->root.u.def.section->output_section->vma
3875 + htab->root.hgot->root.u.def.section->output_offset;
3876 }
3877 else
3878 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3879 offset
3880 + htab->sfuncdesc->output_section->vma
3881 + htab->sfuncdesc->output_offset,
3882 R_SH_FUNCDESC_VALUE, dynindx, 0);
3883
3884 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3885 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3886
3887 return TRUE;
3888}
3889
3890/* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3891 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3892 otherwise. */
3893
3894static bfd_reloc_status_type
3895install_movi20_field (bfd *output_bfd, unsigned long relocation,
3896 bfd *input_bfd, asection *input_section,
3897 bfd_byte *contents, bfd_vma offset)
3898{
3899 unsigned long cur_val;
3900 bfd_byte *addr;
3901 bfd_reloc_status_type r;
3902
3903 if (offset > bfd_get_section_limit (input_bfd, input_section))
3904 return bfd_reloc_outofrange;
3905
3906 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3907 bfd_arch_bits_per_address (input_bfd), relocation);
3908 if (r != bfd_reloc_ok)
3909 return r;
3910
3911 addr = contents + offset;
3912 cur_val = bfd_get_16 (output_bfd, addr);
3913 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3914 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3915
3916 return bfd_reloc_ok;
3917}
3918
3919/* Relocate an SH ELF section. */
3920
3921static bfd_boolean
3922sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3923 bfd *input_bfd, asection *input_section,
3924 bfd_byte *contents, Elf_Internal_Rela *relocs,
3925 Elf_Internal_Sym *local_syms,
3926 asection **local_sections)
3927{
3928 struct elf_sh_link_hash_table *htab;
3929 Elf_Internal_Shdr *symtab_hdr;
3930 struct elf_link_hash_entry **sym_hashes;
3931 Elf_Internal_Rela *rel, *relend;
3932 bfd *dynobj;
3933 bfd_vma *local_got_offsets;
3934 asection *sgot;
3935 asection *sgotplt;
3936 asection *splt;
3937 asection *sreloc;
3938 asection *srelgot;
3939 bfd_boolean is_vxworks_tls;
3940 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
3941
3942 BFD_ASSERT (is_sh_elf (input_bfd));
3943
3944 htab = sh_elf_hash_table (info);
3945 if (htab == NULL)
3946 return FALSE;
3947 symtab_hdr = &elf_symtab_hdr (input_bfd);
3948 sym_hashes = elf_sym_hashes (input_bfd);
3949 dynobj = htab->root.dynobj;
3950 local_got_offsets = elf_local_got_offsets (input_bfd);
3951
3952 isec_segment = sh_elf_osec_to_segment (output_bfd,
3953 input_section->output_section);
3954 if (htab->fdpic_p && htab->sgot)
3955 got_segment = sh_elf_osec_to_segment (output_bfd,
3956 htab->sgot->output_section);
3957 else
3958 got_segment = -1;
3959 if (htab->fdpic_p && htab->splt)
3960 plt_segment = sh_elf_osec_to_segment (output_bfd,
3961 htab->splt->output_section);
3962 else
3963 plt_segment = -1;
3964
3965 sgot = htab->sgot;
3966 sgotplt = htab->sgotplt;
3967 splt = htab->splt;
3968 sreloc = NULL;
3969 srelgot = NULL;
3970 /* We have to handle relocations in vxworks .tls_vars sections
3971 specially, because the dynamic loader is 'weird'. */
3972 is_vxworks_tls = (htab->vxworks_p && info->shared
3973 && !strcmp (input_section->output_section->name,
3974 ".tls_vars"));
3975
3976 rel = relocs;
3977 relend = relocs + input_section->reloc_count;
3978 for (; rel < relend; rel++)
3979 {
3980 int r_type;
3981 reloc_howto_type *howto;
3982 unsigned long r_symndx;
3983 Elf_Internal_Sym *sym;
3984 asection *sec;
3985 struct elf_link_hash_entry *h;
3986 bfd_vma relocation;
3987 bfd_vma addend = (bfd_vma) 0;
3988 bfd_reloc_status_type r;
3989 int seen_stt_datalabel = 0;
3990 bfd_vma off;
3991 int got_type;
3992 const char *symname = NULL;
3993
3994 r_symndx = ELF32_R_SYM (rel->r_info);
37c644f2 3995
37c644f2
AO
3996 r_type = ELF32_R_TYPE (rel->r_info);
3997
3998 /* Many of the relocs are only used for relaxing, and are
067653c5 3999 handled entirely by the relaxation code. */
d38eb334
DD
4000 if (r_type >= (int) R_SH_GNU_VTINHERIT
4001 && r_type <= (int) R_SH_LABEL)
37c644f2 4002 continue;
c5aeb40f
AO
4003 if (r_type == (int) R_SH_NONE)
4004 continue;
37c644f2
AO
4005
4006 if (r_type < 0
4007 || r_type >= R_SH_max
4008 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 4009 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
8e45593f
NC
4010 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
4011 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
fbca6ad9
AO
4012 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
4013 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
4014 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
4015 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
4016 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
4017 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
8e45593f
NC
4018 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
4019 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
37c644f2
AO
4020 {
4021 bfd_set_error (bfd_error_bad_value);
b34976b6 4022 return FALSE;
37c644f2
AO
4023 }
4024
55e6e397 4025 howto = get_howto_table (output_bfd) + r_type;
37c644f2 4026
146be91a 4027 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 4028 the relocation. */
146be91a
HPN
4029 if (! howto->partial_inplace)
4030 addend = rel->r_addend;
4031
37c644f2
AO
4032 h = NULL;
4033 sym = NULL;
4034 sec = NULL;
8e45593f
NC
4035 check_segment[0] = -1;
4036 check_segment[1] = -1;
37c644f2
AO
4037 if (r_symndx < symtab_hdr->sh_info)
4038 {
4039 sym = local_syms + r_symndx;
4040 sec = local_sections[r_symndx];
8e45593f
NC
4041
4042 symname = bfd_elf_string_from_elf_section
4043 (input_bfd, symtab_hdr->sh_link, sym->st_name);
4044 if (symname == NULL || *symname == '\0')
4045 symname = bfd_section_name (input_bfd, sec);
4046
37c644f2
AO
4047 relocation = (sec->output_section->vma
4048 + sec->output_offset
4049 + sym->st_value);
fbca6ad9
AO
4050 /* A local symbol never has STO_SH5_ISA32, so we don't need
4051 datalabel processing here. Make sure this does not change
4052 without notice. */
4053 if ((sym->st_other & STO_SH5_ISA32) != 0)
4054 ((*info->callbacks->reloc_dangerous)
4055 (info,
4056 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4057 input_bfd, input_section, rel->r_offset));
ab96bf03
AM
4058
4059 if (sec != NULL && elf_discarded_section (sec))
4060 /* Handled below. */
4061 ;
4062 else if (info->relocatable)
8a3975e6 4063 {
1049f94e 4064 /* This is a relocatable link. We don't have to change
8a3975e6
AO
4065 anything, unless the reloc is against a section symbol,
4066 in which case we have to adjust according to where the
4067 section symbol winds up in the output section. */
8a3975e6 4068 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
4069 {
4070 if (! howto->partial_inplace)
4071 {
4072 /* For relocations with the addend in the
4073 relocation, we need just to update the addend.
4074 All real relocs are of type partial_inplace; this
4075 code is mostly for completeness. */
ab96bf03 4076 rel->r_addend += sec->output_offset;
146be91a
HPN
4077
4078 continue;
4079 }
4080
4081 /* Relocs of type partial_inplace need to pick up the
4082 contents in the contents and add the offset resulting
4083 from the changed location of the section symbol.
4084 Using _bfd_final_link_relocate (e.g. goto
4085 final_link_relocate) here would be wrong, because
4086 relocations marked pc_relative would get the current
4087 location subtracted, and we must only do that at the
4088 final link. */
4089 r = _bfd_relocate_contents (howto, input_bfd,
4090 sec->output_offset
4091 + sym->st_value,
4092 contents + rel->r_offset);
4093 goto relocation_done;
4094 }
8a3975e6
AO
4095
4096 continue;
4097 }
f8df10f4
JJ
4098 else if (! howto->partial_inplace)
4099 {
8517fae7 4100 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
4101 addend = rel->r_addend;
4102 }
4103 else if ((sec->flags & SEC_MERGE)
4104 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4105 {
4106 asection *msec;
4107
4108 if (howto->rightshift || howto->src_mask != 0xffffffff)
4109 {
4110 (*_bfd_error_handler)
d003868e
AM
4111 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4112 input_bfd, input_section,
f8df10f4 4113 (long) rel->r_offset, howto->name);
b34976b6 4114 return FALSE;
f8df10f4
JJ
4115 }
4116
067653c5
AM
4117 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4118 msec = sec;
4119 addend =
c629eae0 4120 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
4121 - relocation;
4122 addend += msec->output_section->vma + msec->output_offset;
4123 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4124 addend = 0;
4125 }
37c644f2
AO
4126 }
4127 else
4128 {
560e09e9
NC
4129 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4130
ab96bf03 4131 relocation = 0;
37c644f2 4132 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
8e45593f 4133 symname = h->root.root.string;
37c644f2
AO
4134 while (h->root.type == bfd_link_hash_indirect
4135 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
4136 {
4137#ifdef INCLUDE_SHMEDIA
4138 /* If the reference passes a symbol marked with
4139 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4140 doesn't count. */
4141 seen_stt_datalabel |= h->type == STT_DATALABEL;
4142#endif
4143 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4144 }
37c644f2
AO
4145 if (h->root.type == bfd_link_hash_defined
4146 || h->root.type == bfd_link_hash_defweak)
4147 {
b34976b6 4148 bfd_boolean dyn;
067653c5
AM
4149
4150 dyn = htab->root.dynamic_sections_created;
37c644f2
AO
4151 sec = h->root.u.def.section;
4152 /* In these cases, we don't need the relocation value.
4153 We check specially because in some obscure cases
435b1e90 4154 sec->output_section will be NULL. */
37c644f2 4155 if (r_type == R_SH_GOTPC
fbca6ad9
AO
4156 || r_type == R_SH_GOTPC_LOW16
4157 || r_type == R_SH_GOTPC_MEDLOW16
4158 || r_type == R_SH_GOTPC_MEDHI16
4159 || r_type == R_SH_GOTPC_HI16
4160 || ((r_type == R_SH_PLT32
4161 || r_type == R_SH_PLT_LOW16
4162 || r_type == R_SH_PLT_MEDLOW16
4163 || r_type == R_SH_PLT_MEDHI16
4164 || r_type == R_SH_PLT_HI16)
37c644f2 4165 && h->plt.offset != (bfd_vma) -1)
fbca6ad9 4166 || ((r_type == R_SH_GOT32
8e45593f
NC
4167 || r_type == R_SH_GOT20
4168 || r_type == R_SH_GOTFUNCDESC
4169 || r_type == R_SH_GOTFUNCDESC20
4170 || r_type == R_SH_GOTOFFFUNCDESC
4171 || r_type == R_SH_GOTOFFFUNCDESC20
4172 || r_type == R_SH_FUNCDESC
fbca6ad9
AO
4173 || r_type == R_SH_GOT_LOW16
4174 || r_type == R_SH_GOT_MEDLOW16
4175 || r_type == R_SH_GOT_MEDHI16
4176 || r_type == R_SH_GOT_HI16)
267fb3c1 4177 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
4178 && (! info->shared
4179 || (! info->symbolic && h->dynindx != -1)
f5385ebf 4180 || !h->def_regular))
37c644f2
AO
4181 /* The cases above are those in which relocation is
4182 overwritten in the switch block below. The cases
4183 below are those in which we must defer relocation
4184 to run-time, because we can't resolve absolute
4185 addresses when creating a shared library. */
4186 || (info->shared
4187 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 4188 || !h->def_regular)
37c644f2 4189 && ((r_type == R_SH_DIR32
f5385ebf 4190 && !h->forced_local)
f50ad433
KK
4191 || (r_type == R_SH_REL32
4192 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4193 && ((input_section->flags & SEC_ALLOC) != 0
4194 /* DWARF will emit R_SH_DIR32 relocations in its
4195 sections against symbols defined externally
4196 in shared libraries. We can't do anything
4197 with them here. */
067653c5 4198 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4199 && h->def_dynamic)))
1448fa32
KK
4200 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4201 sections because such sections are not SEC_ALLOC and
4202 thus ld.so will not process them. */
4203 || (sec->output_section == NULL
4204 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4205 && h->def_dynamic))
3376eaf5 4206 || (sec->output_section == NULL
8e45593f
NC
4207 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
4208 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
ab96bf03
AM
4209 ;
4210 else if (sec->output_section != NULL)
4211 relocation = ((h->root.u.def.value
4212 + sec->output_section->vma
4213 + sec->output_offset)
4214 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4215 symbol value, unless we've seen
4216 STT_DATALABEL on the way to it. */
4217 | ((h->other & STO_SH5_ISA32) != 0
4218 && ! seen_stt_datalabel));
4219 else if (!info->relocatable)
37c644f2
AO
4220 {
4221 (*_bfd_error_handler)
843fe662
L
4222 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4223 input_bfd,
4224 input_section,
4225 (long) rel->r_offset,
4226 howto->name,
4227 h->root.root.string);
b34976b6 4228 return FALSE;
37c644f2 4229 }
37c644f2
AO
4230 }
4231 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 4232 ;
59c2e50f 4233 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 4234 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
4235 ;
4236 else if (!info->relocatable)
37c644f2 4237 {
560e09e9
NC
4238 if (! info->callbacks->undefined_symbol
4239 (info, h->root.root.string, input_bfd,
4240 input_section, rel->r_offset,
59c2e50f 4241 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 4242 || ELF_ST_VISIBILITY (h->other))))
b34976b6 4243 return FALSE;
37c644f2
AO
4244 }
4245 }
4246
ab96bf03
AM
4247 if (sec != NULL && elf_discarded_section (sec))
4248 {
4249 /* For relocs against symbols from removed linkonce sections,
4250 or sections discarded by a linker script, we just want the
4251 section contents zeroed. Avoid any special processing. */
4252 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
4253 rel->r_info = 0;
4254 rel->r_addend = 0;
4255 continue;
4256 }
4257
4258 if (info->relocatable)
4259 continue;
4260
8e45593f
NC
4261 /* Check for inter-segment relocations in FDPIC files. Most
4262 relocations connect the relocation site to the location of
4263 the target symbol, but there are some exceptions below. */
4264 check_segment[0] = isec_segment;
4265 if (sec != NULL)
4266 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
4267 sec->output_section);
4268 else
4269 check_segment[1] = -1;
4270
435b1e90 4271 switch ((int) r_type)
37c644f2
AO
4272 {
4273 final_link_relocate:
4274 /* COFF relocs don't use the addend. The addend is used for
435b1e90 4275 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
4276 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4277 contents, rel->r_offset,
4278 relocation, addend);
4279 break;
4280
4281 case R_SH_IND12W:
cd6ec716
DD
4282 goto final_link_relocate;
4283
37c644f2
AO
4284 case R_SH_DIR8WPN:
4285 case R_SH_DIR8WPZ:
4286 case R_SH_DIR8WPL:
cd6ec716
DD
4287 /* If the reloc is against the start of this section, then
4288 the assembler has already taken care of it and the reloc
4289 is here only to assist in relaxing. If the reloc is not
4290 against the start of this section, then it's against an
4291 external symbol and we must deal with it ourselves. */
4292 if (input_section->output_section->vma + input_section->output_offset
4293 != relocation)
4294 {
4295 int disp = (relocation
4296 - input_section->output_section->vma
4297 - input_section->output_offset
4298 - rel->r_offset);
4299 int mask = 0;
4300 switch (r_type)
4301 {
4302 case R_SH_DIR8WPN:
4303 case R_SH_DIR8WPZ: mask = 1; break;
4304 case R_SH_DIR8WPL: mask = 3; break;
4305 default: mask = 0; break;
4306 }
4307 if (disp & mask)
4308 {
4309 ((*_bfd_error_handler)
d003868e
AM
4310 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4311 input_section->owner,
cd6ec716
DD
4312 (unsigned long) rel->r_offset));
4313 bfd_set_error (bfd_error_bad_value);
b34976b6 4314 return FALSE;
cd6ec716
DD
4315 }
4316 relocation -= 4;
4317 goto final_link_relocate;
4318 }
4319 r = bfd_reloc_ok;
4320 break;
37c644f2
AO
4321
4322 default:
fbca6ad9
AO
4323#ifdef INCLUDE_SHMEDIA
4324 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4325 contents, rel, &relocation))
4326 goto final_link_relocate;
4327#endif
37c644f2 4328 bfd_set_error (bfd_error_bad_value);
b34976b6 4329 return FALSE;
37c644f2 4330
d38eb334
DD
4331 case R_SH_DIR16:
4332 case R_SH_DIR8:
4333 case R_SH_DIR8U:
4334 case R_SH_DIR8S:
4335 case R_SH_DIR4U:
4336 goto final_link_relocate;
4337
4338 case R_SH_DIR8UL:
4339 case R_SH_DIR4UL:
4340 if (relocation & 3)
4341 {
4342 ((*_bfd_error_handler)
d003868e
AM
4343 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4344 input_section->owner,
d38eb334 4345 (unsigned long) rel->r_offset, howto->name,
d003868e 4346 (unsigned long) relocation));
d38eb334
DD
4347 bfd_set_error (bfd_error_bad_value);
4348 return FALSE;
4349 }
4350 goto final_link_relocate;
4351
4352 case R_SH_DIR8UW:
4353 case R_SH_DIR8SW:
4354 case R_SH_DIR4UW:
4355 if (relocation & 1)
4356 {
4357 ((*_bfd_error_handler)
d003868e
AM
4358 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4359 input_section->owner,
d38eb334 4360 (unsigned long) rel->r_offset, howto->name,
d003868e 4361 (unsigned long) relocation));
d38eb334
DD
4362 bfd_set_error (bfd_error_bad_value);
4363 return FALSE;
4364 }
4365 goto final_link_relocate;
4366
4367 case R_SH_PSHA:
4368 if ((signed int)relocation < -32
4369 || (signed int)relocation > 32)
4370 {
4371 ((*_bfd_error_handler)
d003868e
AM
4372 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4373 input_section->owner,
d38eb334 4374 (unsigned long) rel->r_offset,
d003868e 4375 (unsigned long) relocation));
d38eb334
DD
4376 bfd_set_error (bfd_error_bad_value);
4377 return FALSE;
4378 }
4379 goto final_link_relocate;
4380
4381 case R_SH_PSHL:
4382 if ((signed int)relocation < -16
4383 || (signed int)relocation > 16)
4384 {
4385 ((*_bfd_error_handler)
d003868e
AM
4386 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4387 input_section->owner,
d38eb334 4388 (unsigned long) rel->r_offset,
d003868e 4389 (unsigned long) relocation));
d38eb334
DD
4390 bfd_set_error (bfd_error_bad_value);
4391 return FALSE;
4392 }
4393 goto final_link_relocate;
4394
37c644f2
AO
4395 case R_SH_DIR32:
4396 case R_SH_REL32:
46e993b9
KK
4397#ifdef INCLUDE_SHMEDIA
4398 case R_SH_IMM_LOW16_PCREL:
4399 case R_SH_IMM_MEDLOW16_PCREL:
4400 case R_SH_IMM_MEDHI16_PCREL:
4401 case R_SH_IMM_HI16_PCREL:
4402#endif
37c644f2 4403 if (info->shared
04e534c3
KK
4404 && (h == NULL
4405 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4406 || h->root.type != bfd_link_hash_undefweak)
ec338859 4407 && r_symndx != 0
37c644f2 4408 && (input_section->flags & SEC_ALLOC) != 0
3348747a 4409 && !is_vxworks_tls
46e993b9 4410 && (r_type == R_SH_DIR32
3d85aebe 4411 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4412 {
4413 Elf_Internal_Rela outrel;
947216bf 4414 bfd_byte *loc;
b34976b6 4415 bfd_boolean skip, relocate;
37c644f2
AO
4416
4417 /* When generating a shared object, these relocations
4418 are copied into the output file to be resolved at run
4419 time. */
4420
4421 if (sreloc == NULL)
4422 {
83bac4b0
NC
4423 sreloc = _bfd_elf_get_dynamic_reloc_section
4424 (input_bfd, input_section, /*rela?*/ TRUE);
4425 if (sreloc == NULL)
b34976b6 4426 return FALSE;
37c644f2
AO
4427 }
4428
b34976b6
AM
4429 skip = FALSE;
4430 relocate = FALSE;
37c644f2 4431
c629eae0
JJ
4432 outrel.r_offset =
4433 _bfd_elf_section_offset (output_bfd, info, input_section,
4434 rel->r_offset);
4435 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 4436 skip = TRUE;
0bb2d96a 4437 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 4438 skip = TRUE, relocate = TRUE;
37c644f2
AO
4439 outrel.r_offset += (input_section->output_section->vma
4440 + input_section->output_offset);
4441
4442 if (skip)
0bb2d96a 4443 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
4444 else if (r_type == R_SH_REL32)
4445 {
4446 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 4447 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 4448 outrel.r_addend
55e6e397
RS
4449 = (howto->partial_inplace
4450 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4451 : addend);
37c644f2 4452 }
46e993b9
KK
4453#ifdef INCLUDE_SHMEDIA
4454 else if (r_type == R_SH_IMM_LOW16_PCREL
4455 || r_type == R_SH_IMM_MEDLOW16_PCREL
4456 || r_type == R_SH_IMM_MEDHI16_PCREL
4457 || r_type == R_SH_IMM_HI16_PCREL)
4458 {
4459 BFD_ASSERT (h != NULL && h->dynindx != -1);
4460 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4461 outrel.r_addend = addend;
4462 }
4463#endif
8e45593f
NC
4464 else if (htab->fdpic_p
4465 && (h == NULL
4466 || ((info->symbolic || h->dynindx == -1)
4467 && h->def_regular)))
4468 {
4469 int dynindx;
4470
4471 BFD_ASSERT (sec != NULL);
4472 BFD_ASSERT (sec->output_section != NULL);
4473 dynindx = elf_section_data (sec->output_section)->dynindx;
4474 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4475 outrel.r_addend = relocation;
4476 outrel.r_addend
4477 += (howto->partial_inplace
4478 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4479 : addend);
4480 outrel.r_addend -= sec->output_section->vma;
4481 }
37c644f2
AO
4482 else
4483 {
4484 /* h->dynindx may be -1 if this symbol was marked to
4485 become local. */
4486 if (h == NULL
4487 || ((info->symbolic || h->dynindx == -1)
f5385ebf 4488 && h->def_regular))
37c644f2 4489 {
55e6e397 4490 relocate = howto->partial_inplace;
37c644f2 4491 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
4492 }
4493 else
4494 {
4495 BFD_ASSERT (h->dynindx != -1);
37c644f2 4496 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 4497 }
55e6e397
RS
4498 outrel.r_addend = relocation;
4499 outrel.r_addend
4500 += (howto->partial_inplace
4501 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4502 : addend);
37c644f2
AO
4503 }
4504
947216bf
AM
4505 loc = sreloc->contents;
4506 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4507 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4508
8e45593f
NC
4509 check_segment[0] = check_segment[1] = -1;
4510
37c644f2
AO
4511 /* If this reloc is against an external symbol, we do
4512 not want to fiddle with the addend. Otherwise, we
4513 need to include the symbol value so that it becomes
4514 an addend for the dynamic reloc. */
4515 if (! relocate)
4516 continue;
4517 }
8e45593f
NC
4518 else if (htab->fdpic_p && !info->shared
4519 && r_type == R_SH_DIR32
4520 && (input_section->flags & SEC_ALLOC) != 0)
4521 {
4522 bfd_vma offset;
4523
4524 if (sh_elf_osec_readonly_p (output_bfd,
4525 input_section->output_section))
4526 {
4527 (*_bfd_error_handler)
4528 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4529 input_bfd,
4530 input_section,
4531 (long) rel->r_offset,
4532 symname);
4533 return FALSE;
4534 }
4535
4536 offset = _bfd_elf_section_offset (output_bfd, info,
4537 input_section, rel->r_offset);
4538 if (offset != (bfd_vma)-1)
4539 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4540 input_section->output_section->vma
4541 + input_section->output_offset
4542 + rel->r_offset);
4543
4544 check_segment[0] = check_segment[1] = -1;
4545 }
37c644f2
AO
4546 goto final_link_relocate;
4547
fbca6ad9
AO
4548 case R_SH_GOTPLT32:
4549#ifdef INCLUDE_SHMEDIA
4550 case R_SH_GOTPLT_LOW16:
4551 case R_SH_GOTPLT_MEDLOW16:
4552 case R_SH_GOTPLT_MEDHI16:
4553 case R_SH_GOTPLT_HI16:
4554 case R_SH_GOTPLT10BY4:
4555 case R_SH_GOTPLT10BY8:
4556#endif
4557 /* Relocation is to the entry for this symbol in the
4558 procedure linkage table. */
4559
4560 if (h == NULL
f5385ebf 4561 || h->forced_local
fbca6ad9
AO
4562 || ! info->shared
4563 || info->symbolic
4564 || h->dynindx == -1
4565 || h->plt.offset == (bfd_vma) -1
4566 || h->got.offset != (bfd_vma) -1)
4567 goto force_got;
4568
4569 /* Relocation is to the entry for this symbol in the global
4570 offset table extension for the procedure linkage table. */
fbca6ad9 4571
067653c5 4572 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 4573 relocation = (sgotplt->output_offset
55e6e397
RS
4574 + (get_plt_index (htab->plt_info, h->plt.offset)
4575 + 3) * 4);
fbca6ad9
AO
4576
4577#ifdef GOT_BIAS
4578 relocation -= GOT_BIAS;
4579#endif
4580
4581 goto final_link_relocate;
4582
4583 force_got:
37c644f2 4584 case R_SH_GOT32:
8e45593f 4585 case R_SH_GOT20:
fbca6ad9
AO
4586#ifdef INCLUDE_SHMEDIA
4587 case R_SH_GOT_LOW16:
4588 case R_SH_GOT_MEDLOW16:
4589 case R_SH_GOT_MEDHI16:
4590 case R_SH_GOT_HI16:
4591 case R_SH_GOT10BY4:
4592 case R_SH_GOT10BY8:
4593#endif
37c644f2
AO
4594 /* Relocation is to the entry for this symbol in the global
4595 offset table. */
067653c5
AM
4596
4597 BFD_ASSERT (sgot != NULL);
8e45593f 4598 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4599
4600 if (h != NULL)
4601 {
b34976b6 4602 bfd_boolean dyn;
37c644f2
AO
4603
4604 off = h->got.offset;
fbca6ad9
AO
4605#ifdef INCLUDE_SHMEDIA
4606 if (seen_stt_datalabel)
4607 {
4608 struct elf_sh_link_hash_entry *hsh;
4609
4610 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4611 off = hsh->datalabel_got.offset;
fbca6ad9
AO
4612 }
4613#endif
37c644f2
AO
4614 BFD_ASSERT (off != (bfd_vma) -1);
4615
067653c5 4616 dyn = htab->root.dynamic_sections_created;
267fb3c1 4617 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 4618 || (info->shared
3d85aebe 4619 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
4620 || (ELF_ST_VISIBILITY (h->other)
4621 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
4622 {
4623 /* This is actually a static link, or it is a
4624 -Bsymbolic link and the symbol is defined
4625 locally, or the symbol was forced to be local
4626 because of a version file. We must initialize
4627 this entry in the global offset table. Since the
4628 offset must always be a multiple of 4, we use the
4629 least significant bit to record whether we have
4630 initialized it already.
4631
4632 When doing a dynamic link, we create a .rela.got
4633 relocation entry to initialize the value. This
4634 is done in the finish_dynamic_symbol routine. */
4635 if ((off & 1) != 0)
4636 off &= ~1;
4637 else
4638 {
4639 bfd_put_32 (output_bfd, relocation,
4640 sgot->contents + off);
fbca6ad9
AO
4641#ifdef INCLUDE_SHMEDIA
4642 if (seen_stt_datalabel)
4643 {
4644 struct elf_sh_link_hash_entry *hsh;
4645
4646 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4647 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
4648 }
4649 else
4650#endif
4651 h->got.offset |= 1;
8e45593f
NC
4652
4653 /* If we initialize the GOT entry here with a valid
4654 symbol address, also add a fixup. */
4655 if (htab->fdpic_p && !info->shared
4656 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4657 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4658 || h->root.type != bfd_link_hash_undefweak))
4659 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4660 sgot->output_section->vma
4661 + sgot->output_offset
4662 + off);
37c644f2
AO
4663 }
4664 }
4665
8e45593f 4666 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4667 }
4668 else
4669 {
fbca6ad9
AO
4670#ifdef INCLUDE_SHMEDIA
4671 if (rel->r_addend)
4672 {
4673 BFD_ASSERT (local_got_offsets != NULL
4674 && (local_got_offsets[symtab_hdr->sh_info
4675 + r_symndx]
4676 != (bfd_vma) -1));
4677
4678 off = local_got_offsets[symtab_hdr->sh_info
4679 + r_symndx];
4680 }
4681 else
4682 {
4683#endif
37c644f2
AO
4684 BFD_ASSERT (local_got_offsets != NULL
4685 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4686
4687 off = local_got_offsets[r_symndx];
fbca6ad9
AO
4688#ifdef INCLUDE_SHMEDIA
4689 }
4690#endif
37c644f2
AO
4691
4692 /* The offset must always be a multiple of 4. We use
4693 the least significant bit to record whether we have
4694 already generated the necessary reloc. */
4695 if ((off & 1) != 0)
4696 off &= ~1;
4697 else
4698 {
4699 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4700
4701 if (info->shared)
4702 {
37c644f2 4703 Elf_Internal_Rela outrel;
947216bf 4704 bfd_byte *loc;
37c644f2 4705
3376eaf5
KK
4706 if (srelgot == NULL)
4707 {
4708 srelgot = bfd_get_section_by_name (dynobj,
4709 ".rela.got");
4710 BFD_ASSERT (srelgot != NULL);
4711 }
37c644f2
AO
4712
4713 outrel.r_offset = (sgot->output_section->vma
4714 + sgot->output_offset
4715 + off);
8e45593f
NC
4716 if (htab->fdpic_p)
4717 {
4718 int dynindx
4719 = elf_section_data (sec->output_section)->dynindx;
4720 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4721 outrel.r_addend = relocation;
4722 outrel.r_addend -= sec->output_section->vma;
4723 }
4724 else
4725 {
4726 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4727 outrel.r_addend = relocation;
4728 }
947216bf
AM
4729 loc = srelgot->contents;
4730 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4731 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4732 }
8e45593f
NC
4733 else if (htab->fdpic_p
4734 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4735 == GOT_NORMAL))
4736 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4737 sgot->output_section->vma
4738 + sgot->output_offset
4739 + off);
37c644f2 4740
fbca6ad9
AO
4741#ifdef INCLUDE_SHMEDIA
4742 if (rel->r_addend)
4743 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
4744 else
4745#endif
4746 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
4747 }
4748
8e45593f 4749 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4750 }
4751
fbca6ad9 4752#ifdef GOT_BIAS
067653c5 4753 relocation -= GOT_BIAS;
fbca6ad9
AO
4754#endif
4755
8e45593f
NC
4756 if (r_type == R_SH_GOT20)
4757 {
4758 r = install_movi20_field (output_bfd, relocation + addend,
4759 input_bfd, input_section, contents,
4760 rel->r_offset);
4761 break;
4762 }
4763 else
4764 goto final_link_relocate;
37c644f2
AO
4765
4766 case R_SH_GOTOFF:
8e45593f 4767 case R_SH_GOTOFF20:
fbca6ad9
AO
4768#ifdef INCLUDE_SHMEDIA
4769 case R_SH_GOTOFF_LOW16:
4770 case R_SH_GOTOFF_MEDLOW16:
4771 case R_SH_GOTOFF_MEDHI16:
4772 case R_SH_GOTOFF_HI16:
4773#endif
8e45593f
NC
4774 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4775 we place at the start of the .got.plt section. This is the same
4776 as the start of the output .got section, unless there are function
4777 descriptors in front of it. */
4778 BFD_ASSERT (sgotplt != NULL);
4779 check_segment[0] = got_segment;
4780 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4781 + htab->root.hgot->root.u.def.value;
37c644f2 4782
fbca6ad9
AO
4783#ifdef GOT_BIAS
4784 relocation -= GOT_BIAS;
4785#endif
4786
4787 addend = rel->r_addend;
4788
8e45593f
NC
4789 if (r_type == R_SH_GOTOFF20)
4790 {
4791 r = install_movi20_field (output_bfd, relocation + addend,
4792 input_bfd, input_section, contents,
4793 rel->r_offset);
4794 break;
4795 }
4796 else
4797 goto final_link_relocate;
37c644f2
AO
4798
4799 case R_SH_GOTPC:
fbca6ad9
AO
4800#ifdef INCLUDE_SHMEDIA
4801 case R_SH_GOTPC_LOW16:
4802 case R_SH_GOTPC_MEDLOW16:
4803 case R_SH_GOTPC_MEDHI16:
4804 case R_SH_GOTPC_HI16:
4805#endif
37c644f2
AO
4806 /* Use global offset table as symbol value. */
4807
8e45593f
NC
4808 BFD_ASSERT (sgotplt != NULL);
4809 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
37c644f2 4810
fbca6ad9
AO
4811#ifdef GOT_BIAS
4812 relocation += GOT_BIAS;
4813#endif
4814
4815 addend = rel->r_addend;
4816
37c644f2
AO
4817 goto final_link_relocate;
4818
4819 case R_SH_PLT32:
fbca6ad9
AO
4820#ifdef INCLUDE_SHMEDIA
4821 case R_SH_PLT_LOW16:
4822 case R_SH_PLT_MEDLOW16:
4823 case R_SH_PLT_MEDHI16:
4824 case R_SH_PLT_HI16:
4825#endif
37c644f2
AO
4826 /* Relocation is to the entry for this symbol in the
4827 procedure linkage table. */
4828
4829 /* Resolve a PLT reloc against a local symbol directly,
4830 without using the procedure linkage table. */
4831 if (h == NULL)
4832 goto final_link_relocate;
4833
8e45593f
NC
4834 /* We don't want to warn on calls to undefined weak symbols,
4835 as calls to them must be protected by non-NULL tests
4836 anyway, and unprotected calls would invoke undefined
4837 behavior. */
4838 if (h->root.type == bfd_link_hash_undefweak)
4839 check_segment[0] = check_segment[1] = -1;
4840
f5385ebf 4841 if (h->forced_local)
37c644f2
AO
4842 goto final_link_relocate;
4843
4844 if (h->plt.offset == (bfd_vma) -1)
4845 {
4846 /* We didn't make a PLT entry for this symbol. This
4847 happens when statically linking PIC code, or when
4848 using -Bsymbolic. */
4849 goto final_link_relocate;
4850 }
4851
067653c5 4852 BFD_ASSERT (splt != NULL);
8e45593f 4853 check_segment[1] = plt_segment;
37c644f2
AO
4854 relocation = (splt->output_section->vma
4855 + splt->output_offset
4856 + h->plt.offset);
4857
fbca6ad9
AO
4858#ifdef INCLUDE_SHMEDIA
4859 relocation++;
4860#endif
4861
4862 addend = rel->r_addend;
4863
37c644f2
AO
4864 goto final_link_relocate;
4865
8e45593f
NC
4866 /* Relocation is to the canonical function descriptor for this
4867 symbol, possibly via the GOT. Initialize the GOT
4868 entry and function descriptor if necessary. */
4869 case R_SH_GOTFUNCDESC:
4870 case R_SH_GOTFUNCDESC20:
4871 case R_SH_FUNCDESC:
4872 {
4873 int dynindx = -1;
4874 asection *reloc_section;
4875 bfd_vma reloc_offset;
4876 int reloc_type = R_SH_FUNCDESC;
4877
4878 check_segment[0] = check_segment[1] = -1;
4879
4880 /* FIXME: See what FRV does for global symbols in the
4881 executable, with --export-dynamic. Do they need ld.so
4882 to allocate official descriptors? See what this code
4883 does. */
4884
4885 relocation = 0;
4886 addend = 0;
4887
4888 if (r_type == R_SH_FUNCDESC)
4889 {
4890 reloc_section = input_section;
4891 reloc_offset = rel->r_offset;
4892 }
4893 else
4894 {
4895 reloc_section = htab->sgot;
4896
4897 if (h != NULL)
4898 reloc_offset = h->got.offset;
4899 else
4900 {
4901 BFD_ASSERT (local_got_offsets != NULL);
4902 reloc_offset = local_got_offsets[r_symndx];
4903 }
4904 BFD_ASSERT (reloc_offset != MINUS_ONE);
4905
4906 if (reloc_offset & 1)
4907 {
4908 reloc_offset &= ~1;
4909 goto funcdesc_done_got;
4910 }
4911 }
4912
4913 if (h && h->root.type == bfd_link_hash_undefweak
4914 && (SYMBOL_CALLS_LOCAL (info, h)
4915 || !htab->root.dynamic_sections_created))
4916 /* Undefined weak symbol which will not be dynamically
4917 resolved later; leave it at zero. */
4918 goto funcdesc_leave_zero;
4919 else if (SYMBOL_CALLS_LOCAL (info, h)
4920 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4921 {
4922 /* If the symbol needs a non-local function descriptor
4923 but binds locally (i.e., its visibility is
4924 protected), emit a dynamic relocation decayed to
4925 section+offset. This is an optimization; the dynamic
4926 linker would resolve our function descriptor request
4927 to our copy of the function anyway. */
4928 dynindx = elf_section_data (h->root.u.def.section
4929 ->output_section)->dynindx;
4930 relocation += h->root.u.def.section->output_offset
4931 + h->root.u.def.value;
4932 }
4933 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4934 {
4935 /* If the symbol is dynamic and there will be dynamic
4936 symbol resolution because we are or are linked with a
4937 shared library, emit a FUNCDESC relocation such that
4938 the dynamic linker will allocate the function
4939 descriptor. */
4940 BFD_ASSERT (h->dynindx != -1);
4941 dynindx = h->dynindx;
4942 }
4943 else
4944 {
4945 bfd_vma offset;
4946
4947 /* Otherwise, we know we have a private function
4948 descriptor, so reference it directly. */
4949 reloc_type = R_SH_DIR32;
4950 dynindx = elf_section_data (htab->sfuncdesc
4951 ->output_section)->dynindx;
4952
4953 if (h)
4954 {
4955 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4956 BFD_ASSERT (offset != MINUS_ONE);
4957 if ((offset & 1) == 0)
4958 {
4959 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4960 offset, NULL, 0))
4961 return FALSE;
4962 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4963 }
4964 }
4965 else
4966 {
4967 union gotref *local_funcdesc;
4968
4969 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4970 offset = local_funcdesc[r_symndx].offset;
4971 BFD_ASSERT (offset != MINUS_ONE);
4972 if ((offset & 1) == 0)
4973 {
4974 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4975 offset, sec,
4976 sym->st_value))
4977 return FALSE;
4978 local_funcdesc[r_symndx].offset |= 1;
4979 }
4980 }
4981
4982 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4983 }
4984
4985 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
4986 {
4987 bfd_vma offset;
4988
4989 if (sh_elf_osec_readonly_p (output_bfd,
4990 reloc_section->output_section))
4991 {
4992 (*_bfd_error_handler)
4993 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4994 input_bfd,
4995 input_section,
4996 (long) rel->r_offset,
4997 symname);
4998 return FALSE;
4999 }
5000
5001 offset = _bfd_elf_section_offset (output_bfd, info,
5002 reloc_section, reloc_offset);
5003
5004 if (offset != (bfd_vma)-1)
5005 sh_elf_add_rofixup (output_bfd, htab->srofixup,
5006 offset
5007 + reloc_section->output_section->vma
5008 + reloc_section->output_offset);
5009 }
5010 else if ((reloc_section->output_section->flags
5011 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
5012 {
5013 bfd_vma offset;
5014
5015 if (sh_elf_osec_readonly_p (output_bfd,
5016 reloc_section->output_section))
5017 {
5018 info->callbacks->warning
5019 (info,
5020 _("cannot emit dynamic relocations in read-only section"),
5021 symname, input_bfd, reloc_section, reloc_offset);
5022 return FALSE;
5023 }
5024
5025 if (srelgot == NULL)
5026 {
5027 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
5028 BFD_ASSERT (srelgot != NULL);
5029 }
5030
5031 offset = _bfd_elf_section_offset (output_bfd, info,
5032 reloc_section, reloc_offset);
5033
5034 if (offset != (bfd_vma)-1)
5035 sh_elf_add_dyn_reloc (output_bfd, srelgot,
5036 offset
5037 + reloc_section->output_section->vma
5038 + reloc_section->output_offset,
5039 reloc_type, dynindx, relocation);
5040
5041 if (r_type == R_SH_FUNCDESC)
5042 {
5043 r = bfd_reloc_ok;
5044 break;
5045 }
5046 else
5047 {
5048 relocation = 0;
5049 goto funcdesc_leave_zero;
5050 }
5051 }
5052
5053 if (SYMBOL_FUNCDESC_LOCAL (info, h))
5054 relocation += htab->sfuncdesc->output_section->vma;
5055 funcdesc_leave_zero:
5056 if (r_type != R_SH_FUNCDESC)
5057 {
5058 bfd_put_32 (output_bfd, relocation,
5059 reloc_section->contents + reloc_offset);
5060 if (h != NULL)
5061 h->got.offset |= 1;
5062 else
5063 local_got_offsets[r_symndx] |= 1;
5064
5065 funcdesc_done_got:
5066
5067 relocation = sh_elf_got_offset (htab) + reloc_offset;
5068#ifdef GOT_BIAS
5069 relocation -= GOT_BIAS;
5070#endif
5071 }
5072 if (r_type == R_SH_GOTFUNCDESC20)
5073 {
5074 r = install_movi20_field (output_bfd, relocation + addend,
5075 input_bfd, input_section, contents,
5076 rel->r_offset);
5077 break;
5078 }
5079 else
5080 goto final_link_relocate;
5081 }
5082 break;
5083
5084 case R_SH_GOTOFFFUNCDESC:
5085 case R_SH_GOTOFFFUNCDESC20:
5086 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
5087 executable and --export-dynamic. If such symbols get
5088 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
5089 for them. */
5090
5091 check_segment[0] = check_segment[1] = -1;
5092 relocation = 0;
5093 addend = rel->r_addend;
5094
5095 if (h && (h->root.type == bfd_link_hash_undefweak
5096 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
5097 {
5098 _bfd_error_handler
5099 (_("%B(%A+0x%lx): %s relocation against external symbol \"%s\""),
5100 input_bfd, input_section, (long) rel->r_offset, howto->name,
5101 h->root.root.string);
5102 return FALSE;
5103 }
5104 else
5105 {
5106 bfd_vma offset;
5107
5108 /* Otherwise, we know we have a private function
5109 descriptor, so reference it directly. */
5110 if (h)
5111 {
5112 offset = sh_elf_hash_entry (h)->funcdesc.offset;
5113 BFD_ASSERT (offset != MINUS_ONE);
5114 if ((offset & 1) == 0)
5115 {
5116 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
5117 offset, NULL, 0))
5118 return FALSE;
5119 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
5120 }
5121 }
5122 else
5123 {
5124 union gotref *local_funcdesc;
5125
5126 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
5127 offset = local_funcdesc[r_symndx].offset;
5128 BFD_ASSERT (offset != MINUS_ONE);
5129 if ((offset & 1) == 0)
5130 {
5131 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
5132 offset, sec,
5133 sym->st_value))
5134 return FALSE;
5135 local_funcdesc[r_symndx].offset |= 1;
5136 }
5137 }
5138
5139 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
5140 }
5141
5142 relocation -= htab->root.hgot->root.u.def.value
5143 + htab->sgotplt->output_offset;
5144#ifdef GOT_BIAS
5145 relocation -= GOT_BIAS;
5146#endif
5147
5148 if (r_type == R_SH_GOTOFFFUNCDESC20)
5149 {
5150 r = install_movi20_field (output_bfd, relocation + addend,
5151 input_bfd, input_section, contents,
5152 rel->r_offset);
5153 break;
5154 }
5155 else
5156 goto final_link_relocate;
5157
37c644f2
AO
5158 case R_SH_LOOP_START:
5159 {
5160 static bfd_vma start, end;
5161
5162 start = (relocation + rel->r_addend
5163 - (sec->output_section->vma + sec->output_offset));
5164 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5165 rel->r_offset, sec, start, end);
5166 break;
5167
5168 case R_SH_LOOP_END:
5169 end = (relocation + rel->r_addend
5170 - (sec->output_section->vma + sec->output_offset));
5171 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5172 rel->r_offset, sec, start, end);
5173 break;
5174 }
3376eaf5
KK
5175
5176 case R_SH_TLS_GD_32:
5177 case R_SH_TLS_IE_32:
8e45593f 5178 check_segment[0] = check_segment[1] = -1;
3376eaf5 5179 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
8e45593f 5180 got_type = GOT_UNKNOWN;
3376eaf5 5181 if (h == NULL && local_got_offsets)
8e45593f 5182 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
3376eaf5
KK
5183 else if (h != NULL)
5184 {
8e45593f 5185 got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5
KK
5186 if (! info->shared
5187 && (h->dynindx == -1
f5385ebf 5188 || h->def_regular))
267fb3c1 5189 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
5190 }
5191
8e45593f 5192 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
3376eaf5
KK
5193 r_type = R_SH_TLS_IE_32;
5194
5195 if (r_type == R_SH_TLS_LE_32)
5196 {
5197 bfd_vma offset;
5198 unsigned short insn;
3376eaf5
KK
5199
5200 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5201 {
5202 /* GD->LE transition:
5203 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 5204 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
5205 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5206 We change it into:
5207 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5208 nop; nop; ...
5209 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5210
5211 offset = rel->r_offset;
5212 BFD_ASSERT (offset >= 16);
5213 /* Size of GD instructions is 16 or 18. */
5214 offset -= 16;
5215 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5216 if ((insn & 0xff00) == 0xc700)
5217 {
5218 BFD_ASSERT (offset >= 2);
5219 offset -= 2;
5220 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5221 }
5222
5223 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5224 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5225 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5226 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5227 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5228 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5229 BFD_ASSERT (insn == 0x310c);
5230 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5231 BFD_ASSERT (insn == 0x410b);
5232 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5233 BFD_ASSERT (insn == 0x34cc);
5234
5235 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5236 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5237 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5238 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5239 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5240 }
5241 else
5242 {
91d6fa6a 5243 int target;
3376eaf5
KK
5244
5245 /* IE->LE transition:
5246 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5247 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5248 We change it into:
5249 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5250 1: x@TPOFF; 2:. */
5251
5252 offset = rel->r_offset;
5253 BFD_ASSERT (offset >= 16);
5254 /* Size of IE instructions is 10 or 12. */
5255 offset -= 10;
5256 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5257 if ((insn & 0xf0ff) == 0x0012)
5258 {
5259 BFD_ASSERT (offset >= 2);
5260 offset -= 2;
5261 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5262 }
5263
5264 BFD_ASSERT ((insn & 0xff00) == 0xd000);
91d6fa6a 5265 target = insn & 0x00ff;
3376eaf5
KK
5266 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5267 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5268 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5269 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
91d6fa6a 5270 insn = 0xd000 | (insn & 0x0f00) | target;
3376eaf5
KK
5271 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5272 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5273 }
5274
267fb3c1
KK
5275 bfd_put_32 (output_bfd, tpoff (info, relocation),
5276 contents + rel->r_offset);
3376eaf5
KK
5277 continue;
5278 }
5279
8e45593f 5280 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5281 abort ();
5282
5283 if (h != NULL)
5284 off = h->got.offset;
5285 else
5286 {
5287 if (local_got_offsets == NULL)
5288 abort ();
5289
5290 off = local_got_offsets[r_symndx];
5291 }
5292
267fb3c1
KK
5293 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5294 if (r_type == R_SH_TLS_IE_32
5295 && ! htab->root.dynamic_sections_created)
5296 {
5297 off &= ~1;
5298 bfd_put_32 (output_bfd, tpoff (info, relocation),
5299 sgot->contents + off);
8e45593f 5300 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
267fb3c1
KK
5301 contents + rel->r_offset);
5302 continue;
5303 }
5304
3376eaf5
KK
5305 if ((off & 1) != 0)
5306 off &= ~1;
26e41594 5307 else
3376eaf5
KK
5308 {
5309 Elf_Internal_Rela outrel;
947216bf 5310 bfd_byte *loc;
3376eaf5
KK
5311 int dr_type, indx;
5312
5313 if (srelgot == NULL)
5314 {
5315 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
5316 BFD_ASSERT (srelgot != NULL);
5317 }
5318
5319 outrel.r_offset = (sgot->output_section->vma
5320 + sgot->output_offset + off);
5321
267fb3c1 5322 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
5323 indx = 0;
5324 else
5325 indx = h->dynindx;
267fb3c1 5326
3376eaf5
KK
5327 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5328 R_SH_TLS_TPOFF32);
5329 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5330 outrel.r_addend = relocation - dtpoff_base (info);
5331 else
5332 outrel.r_addend = 0;
5333 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
5334 loc = srelgot->contents;
5335 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5336 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5337
5338 if (r_type == R_SH_TLS_GD_32)
5339 {
5340 if (indx == 0)
5341 {
5342 bfd_put_32 (output_bfd,
5343 relocation - dtpoff_base (info),
5344 sgot->contents + off + 4);
5345 }
5346 else
5347 {
5348 outrel.r_info = ELF32_R_INFO (indx,
5349 R_SH_TLS_DTPOFF32);
5350 outrel.r_offset += 4;
5351 outrel.r_addend = 0;
5352 srelgot->reloc_count++;
947216bf
AM
5353 loc += sizeof (Elf32_External_Rela);
5354 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5355 }
5356 }
5357
5358 if (h != NULL)
5359 h->got.offset |= 1;
5360 else
5361 local_got_offsets[r_symndx] |= 1;
5362 }
5363
5364 if (off >= (bfd_vma) -2)
5365 abort ();
5366
5367 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
8e45593f 5368 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5369 else
5370 {
5371 bfd_vma offset;
5372 unsigned short insn;
5373
5374 /* GD->IE transition:
5375 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5376 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5377 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5378 We change it into:
5379 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5380 nop; nop; bra 3f; nop; .align 2;
5381 1: .long x@TPOFF; 2:...; 3:. */
5382
5383 offset = rel->r_offset;
5384 BFD_ASSERT (offset >= 16);
5385 /* Size of GD instructions is 16 or 18. */
5386 offset -= 16;
5387 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5388 if ((insn & 0xff00) == 0xc700)
5389 {
5390 BFD_ASSERT (offset >= 2);
5391 offset -= 2;
5392 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5393 }
5394
5395 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5396
5397 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5398 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5399
5400 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5401 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5402 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5403 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5404 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5405 BFD_ASSERT (insn == 0x310c);
5406 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5407 BFD_ASSERT (insn == 0x410b);
5408 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5409 BFD_ASSERT (insn == 0x34cc);
5410
5411 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5412 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5413 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5414 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5415 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5416
8e45593f 5417 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
3376eaf5
KK
5418 contents + rel->r_offset);
5419
5420 continue;
5421 }
5422
5423 addend = rel->r_addend;
5424
5425 goto final_link_relocate;
5426
5427 case R_SH_TLS_LD_32:
8e45593f 5428 check_segment[0] = check_segment[1] = -1;
3376eaf5
KK
5429 if (! info->shared)
5430 {
5431 bfd_vma offset;
5432 unsigned short insn;
5433
5434 /* LD->LE transition:
5435 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5436 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5437 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5438 We change it into:
5439 stc gbr,r0; nop; nop; nop;
5440 nop; nop; bra 3f; ...; 3:. */
5441
5442 offset = rel->r_offset;
5443 BFD_ASSERT (offset >= 16);
5444 /* Size of LD instructions is 16 or 18. */
5445 offset -= 16;
5446 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5447 if ((insn & 0xff00) == 0xc700)
5448 {
5449 BFD_ASSERT (offset >= 2);
5450 offset -= 2;
5451 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5452 }
5453
5454 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5455 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5456 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5457 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5458 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5459 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5460 BFD_ASSERT (insn == 0x310c);
5461 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5462 BFD_ASSERT (insn == 0x410b);
5463 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5464 BFD_ASSERT (insn == 0x34cc);
5465
5466 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5467 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5468 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5469 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5470 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5471 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5472
5473 continue;
5474 }
5475
8e45593f 5476 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5477 abort ();
5478
5479 off = htab->tls_ldm_got.offset;
5480 if (off & 1)
5481 off &= ~1;
5482 else
5483 {
5484 Elf_Internal_Rela outrel;
947216bf 5485 bfd_byte *loc;
3376eaf5
KK
5486
5487 srelgot = htab->srelgot;
5488 if (srelgot == NULL)
5489 abort ();
5490
5491 outrel.r_offset = (sgot->output_section->vma
5492 + sgot->output_offset + off);
5493 outrel.r_addend = 0;
5494 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
5495 loc = srelgot->contents;
5496 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5497 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5498 htab->tls_ldm_got.offset |= 1;
5499 }
5500
8e45593f 5501 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5502 addend = rel->r_addend;
5503
5504 goto final_link_relocate;
5505
5506 case R_SH_TLS_LDO_32:
8e45593f 5507 check_segment[0] = check_segment[1] = -1;
3376eaf5 5508 if (! info->shared)
267fb3c1 5509 relocation = tpoff (info, relocation);
3376eaf5
KK
5510 else
5511 relocation -= dtpoff_base (info);
5512
5513 addend = rel->r_addend;
5514 goto final_link_relocate;
5515
5516 case R_SH_TLS_LE_32:
5517 {
5518 int indx;
5519 Elf_Internal_Rela outrel;
947216bf 5520 bfd_byte *loc;
3376eaf5 5521
8e45593f
NC
5522 check_segment[0] = check_segment[1] = -1;
5523
267fb3c1
KK
5524 if (! info->shared)
5525 {
5526 relocation = tpoff (info, relocation);
5527 addend = rel->r_addend;
5528 goto final_link_relocate;
5529 }
5530
3376eaf5
KK
5531 if (sreloc == NULL)
5532 {
83bac4b0
NC
5533 sreloc = _bfd_elf_get_dynamic_reloc_section
5534 (input_bfd, input_section, /*rela?*/ TRUE);
5535 if (sreloc == NULL)
b34976b6 5536 return FALSE;
3376eaf5
KK
5537 }
5538
267fb3c1
KK
5539 if (h == NULL || h->dynindx == -1)
5540 indx = 0;
5541 else
5542 indx = h->dynindx;
5543
3376eaf5
KK
5544 outrel.r_offset = (input_section->output_section->vma
5545 + input_section->output_offset
5546 + rel->r_offset);
5547 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5548 if (indx == 0)
5549 outrel.r_addend = relocation - dtpoff_base (info);
5550 else
5551 outrel.r_addend = 0;
3376eaf5 5552
947216bf
AM
5553 loc = sreloc->contents;
5554 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5555 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5556 continue;
5557 }
37c644f2
AO
5558 }
5559
146be91a 5560 relocation_done:
8e45593f
NC
5561 if (htab->fdpic_p && check_segment[0] != (unsigned) -1
5562 && check_segment[0] != check_segment[1])
5563 {
5564 /* We don't want duplicate errors for undefined symbols. */
5565 if (!h || h->root.type != bfd_link_hash_undefined)
5566 {
5567 if (info->shared)
5568 {
5569 info->callbacks->einfo
5570 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5571 input_bfd, input_section, rel->r_offset, symname);
5572 return FALSE;
5573 }
5574 else
5575 info->callbacks->einfo
5576 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5577 input_bfd, input_section, rel->r_offset, symname);
5578 }
5579
5580 elf_elfheader (output_bfd)->e_flags &= ~EF_SH_PIC;
5581 }
5582
37c644f2
AO
5583 if (r != bfd_reloc_ok)
5584 {
5585 switch (r)
5586 {
5587 default:
5588 case bfd_reloc_outofrange:
5589 abort ();
5590 case bfd_reloc_overflow:
5591 {
5592 const char *name;
5593
5594 if (h != NULL)
dfeffb9f 5595 name = NULL;
37c644f2
AO
5596 else
5597 {
252b5132
RH
5598 name = (bfd_elf_string_from_elf_section
5599 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5600 if (name == NULL)
b34976b6 5601 return FALSE;
252b5132
RH
5602 if (*name == '\0')
5603 name = bfd_section_name (input_bfd, sec);
5604 }
5605 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
5606 (info, (h ? &h->root : NULL), name, howto->name,
5607 (bfd_vma) 0, input_bfd, input_section,
5608 rel->r_offset)))
b34976b6 5609 return FALSE;
252b5132
RH
5610 }
5611 break;
5612 }
5613 }
5614 }
5615
b34976b6 5616 return TRUE;
252b5132
RH
5617}
5618
5619/* This is a version of bfd_generic_get_relocated_section_contents
5620 which uses sh_elf_relocate_section. */
5621
5622static bfd_byte *
09fd220b
KK
5623sh_elf_get_relocated_section_contents (bfd *output_bfd,
5624 struct bfd_link_info *link_info,
5625 struct bfd_link_order *link_order,
5626 bfd_byte *data,
5627 bfd_boolean relocatable,
5628 asymbol **symbols)
252b5132
RH
5629{
5630 Elf_Internal_Shdr *symtab_hdr;
5631 asection *input_section = link_order->u.indirect.section;
5632 bfd *input_bfd = input_section->owner;
5633 asection **sections = NULL;
5634 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 5635 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
5636
5637 /* We only need to handle the case of relaxing, or of having a
5638 particular set of section contents, specially. */
1049f94e 5639 if (relocatable
252b5132
RH
5640 || elf_section_data (input_section)->this_hdr.contents == NULL)
5641 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5642 link_order, data,
1049f94e 5643 relocatable,
252b5132
RH
5644 symbols);
5645
0ffa91dd 5646 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
5647
5648 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 5649 (size_t) input_section->size);
252b5132
RH
5650
5651 if ((input_section->flags & SEC_RELOC) != 0
5652 && input_section->reloc_count > 0)
5653 {
252b5132 5654 asection **secpp;
6cdc0ccc 5655 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 5656 bfd_size_type amt;
252b5132 5657
45d6a902 5658 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 5659 (input_bfd, input_section, NULL,
b34976b6 5660 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
5661 if (internal_relocs == NULL)
5662 goto error_return;
5663
6cdc0ccc
AM
5664 if (symtab_hdr->sh_info != 0)
5665 {
5666 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5667 if (isymbuf == NULL)
5668 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5669 symtab_hdr->sh_info, 0,
5670 NULL, NULL, NULL);
5671 if (isymbuf == NULL)
5672 goto error_return;
5673 }
252b5132 5674
9ad5cbcf
AM
5675 amt = symtab_hdr->sh_info;
5676 amt *= sizeof (asection *);
5677 sections = (asection **) bfd_malloc (amt);
5678 if (sections == NULL && amt != 0)
252b5132
RH
5679 goto error_return;
5680
6cdc0ccc
AM
5681 isymend = isymbuf + symtab_hdr->sh_info;
5682 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
5683 {
5684 asection *isec;
5685
6cdc0ccc 5686 if (isym->st_shndx == SHN_UNDEF)
252b5132 5687 isec = bfd_und_section_ptr;
6cdc0ccc 5688 else if (isym->st_shndx == SHN_ABS)
252b5132 5689 isec = bfd_abs_section_ptr;
6cdc0ccc 5690 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
5691 isec = bfd_com_section_ptr;
5692 else
6cdc0ccc 5693 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
5694
5695 *secpp = isec;
5696 }
5697
5698 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5699 input_section, data, internal_relocs,
6cdc0ccc 5700 isymbuf, sections))
252b5132
RH
5701 goto error_return;
5702
5703 if (sections != NULL)
5704 free (sections);
6cdc0ccc
AM
5705 if (isymbuf != NULL
5706 && symtab_hdr->contents != (unsigned char *) isymbuf)
5707 free (isymbuf);
5708 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 5709 free (internal_relocs);
252b5132
RH
5710 }
5711
5712 return data;
5713
5714 error_return:
252b5132
RH
5715 if (sections != NULL)
5716 free (sections);
6cdc0ccc
AM
5717 if (isymbuf != NULL
5718 && symtab_hdr->contents != (unsigned char *) isymbuf)
5719 free (isymbuf);
5720 if (internal_relocs != NULL
5721 && elf_section_data (input_section)->relocs != internal_relocs)
5722 free (internal_relocs);
252b5132
RH
5723 return NULL;
5724}
917583ad 5725
3376eaf5
KK
5726/* Return the base VMA address which should be subtracted from real addresses
5727 when resolving @dtpoff relocation.
5728 This is PT_TLS segment p_vaddr. */
5729
5730static bfd_vma
09fd220b 5731dtpoff_base (struct bfd_link_info *info)
3376eaf5 5732{
e1918d23
AM
5733 /* If tls_sec is NULL, we should have signalled an error already. */
5734 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 5735 return 0;
e1918d23 5736 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
5737}
5738
267fb3c1
KK
5739/* Return the relocation value for R_SH_TLS_TPOFF32.. */
5740
5741static bfd_vma
09fd220b 5742tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 5743{
e1918d23
AM
5744 /* If tls_sec is NULL, we should have signalled an error already. */
5745 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
5746 return 0;
5747 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5748 structure which has 2 pointer fields. */
044ad7e3
KK
5749 return (address - elf_hash_table (info)->tls_sec->vma
5750 + align_power ((bfd_vma) 8,
5751 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
5752}
5753
252b5132 5754static asection *
09fd220b 5755sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
5756 struct bfd_link_info *info,
5757 Elf_Internal_Rela *rel,
5758 struct elf_link_hash_entry *h,
09fd220b 5759 Elf_Internal_Sym *sym)
252b5132
RH
5760{
5761 if (h != NULL)
07adf181
AM
5762 switch (ELF32_R_TYPE (rel->r_info))
5763 {
5764 case R_SH_GNU_VTINHERIT:
5765 case R_SH_GNU_VTENTRY:
5766 return NULL;
5767 }
9ad5cbcf 5768
07adf181 5769 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
5770}
5771
37c644f2
AO
5772/* Update the got entry reference counts for the section being removed. */
5773
b34976b6 5774static bfd_boolean
09fd220b
KK
5775sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5776 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 5777{
067653c5
AM
5778 Elf_Internal_Shdr *symtab_hdr;
5779 struct elf_link_hash_entry **sym_hashes;
5780 bfd_signed_vma *local_got_refcounts;
8e45593f 5781 union gotref *local_funcdesc;
067653c5 5782 const Elf_Internal_Rela *rel, *relend;
067653c5 5783
7dda2462
TG
5784 if (info->relocatable)
5785 return TRUE;
5786
067653c5
AM
5787 elf_section_data (sec)->local_dynrel = NULL;
5788
0ffa91dd 5789 symtab_hdr = &elf_symtab_hdr (abfd);
067653c5
AM
5790 sym_hashes = elf_sym_hashes (abfd);
5791 local_got_refcounts = elf_local_got_refcounts (abfd);
8e45593f 5792 local_funcdesc = sh_elf_local_funcdesc (abfd);
067653c5
AM
5793
5794 relend = relocs + sec->reloc_count;
5795 for (rel = relocs; rel < relend; rel++)
396a6083 5796 {
26e41594
AM
5797 unsigned long r_symndx;
5798 unsigned int r_type;
5799 struct elf_link_hash_entry *h = NULL;
396a6083
SC
5800#ifdef INCLUDE_SHMEDIA
5801 int seen_stt_datalabel = 0;
5802#endif
3376eaf5 5803
396a6083 5804 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 5805 if (r_symndx >= symtab_hdr->sh_info)
396a6083 5806 {
26e41594
AM
5807 struct elf_sh_link_hash_entry *eh;
5808 struct elf_sh_dyn_relocs **pp;
5809 struct elf_sh_dyn_relocs *p;
5810
396a6083 5811 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
5812 while (h->root.type == bfd_link_hash_indirect
5813 || h->root.type == bfd_link_hash_warning)
5814 {
3eb128b2 5815#ifdef INCLUDE_SHMEDIA
396a6083 5816 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 5817#endif
396a6083
SC
5818 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5819 }
26e41594
AM
5820 eh = (struct elf_sh_link_hash_entry *) h;
5821 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5822 if (p->sec == sec)
5823 {
5824 /* Everything must go for SEC. */
5825 *pp = p->next;
5826 break;
5827 }
396a6083 5828 }
067653c5 5829
26e41594
AM
5830 r_type = ELF32_R_TYPE (rel->r_info);
5831 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
5832 {
5833 case R_SH_TLS_LD_32:
5834 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5835 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5836 break;
5837
5838 case R_SH_GOT32:
8e45593f 5839 case R_SH_GOT20:
396a6083 5840 case R_SH_GOTOFF:
8e45593f 5841 case R_SH_GOTOFF20:
396a6083
SC
5842 case R_SH_GOTPC:
5843#ifdef INCLUDE_SHMEDIA
5844 case R_SH_GOT_LOW16:
5845 case R_SH_GOT_MEDLOW16:
5846 case R_SH_GOT_MEDHI16:
5847 case R_SH_GOT_HI16:
5848 case R_SH_GOT10BY4:
5849 case R_SH_GOT10BY8:
5850 case R_SH_GOTOFF_LOW16:
5851 case R_SH_GOTOFF_MEDLOW16:
5852 case R_SH_GOTOFF_MEDHI16:
5853 case R_SH_GOTOFF_HI16:
5854 case R_SH_GOTPC_LOW16:
5855 case R_SH_GOTPC_MEDLOW16:
5856 case R_SH_GOTPC_MEDHI16:
5857 case R_SH_GOTPC_HI16:
5858#endif
5859 case R_SH_TLS_GD_32:
5860 case R_SH_TLS_IE_32:
8e45593f
NC
5861 case R_SH_GOTFUNCDESC:
5862 case R_SH_GOTFUNCDESC20:
396a6083
SC
5863 if (h != NULL)
5864 {
5865#ifdef INCLUDE_SHMEDIA
5866 if (seen_stt_datalabel)
5867 {
26e41594
AM
5868 struct elf_sh_link_hash_entry *eh;
5869 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5870 if (eh->datalabel_got.refcount > 0)
5871 eh->datalabel_got.refcount -= 1;
5872 }
5873 else
5874#endif
5875 if (h->got.refcount > 0)
5876 h->got.refcount -= 1;
5877 }
5878 else if (local_got_refcounts != NULL)
5879 {
5880#ifdef INCLUDE_SHMEDIA
5881 if (rel->r_addend & 1)
5882 {
5883 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5884 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5885 }
5886 else
5887#endif
5888 if (local_got_refcounts[r_symndx] > 0)
5889 local_got_refcounts[r_symndx] -= 1;
5890 }
5891 break;
5892
8e45593f
NC
5893 case R_SH_FUNCDESC:
5894 if (h != NULL)
5895 sh_elf_hash_entry (h)->abs_funcdesc_refcount -= 1;
5896 else if (sh_elf_hash_table (info)->fdpic_p && !info->shared)
5897 sh_elf_hash_table (info)->srofixup->size -= 4;
5898
5899 /* Fall through. */
5900
5901 case R_SH_GOTOFFFUNCDESC:
5902 case R_SH_GOTOFFFUNCDESC20:
5903 if (h != NULL)
5904 sh_elf_hash_entry (h)->funcdesc.refcount -= 1;
5905 else
5906 local_funcdesc[r_symndx].refcount -= 1;
5907 break;
5908
396a6083 5909 case R_SH_DIR32:
8e45593f
NC
5910 if (sh_elf_hash_table (info)->fdpic_p && !info->shared
5911 && (sec->flags & SEC_ALLOC) != 0)
5912 sh_elf_hash_table (info)->srofixup->size -= 4;
5913 /* Fall thru */
5914
396a6083 5915 case R_SH_REL32:
26e41594
AM
5916 if (info->shared)
5917 break;
5918 /* Fall thru */
396a6083
SC
5919
5920 case R_SH_PLT32:
5921#ifdef INCLUDE_SHMEDIA
5922 case R_SH_PLT_LOW16:
5923 case R_SH_PLT_MEDLOW16:
5924 case R_SH_PLT_MEDHI16:
5925 case R_SH_PLT_HI16:
5926#endif
5927 if (h != NULL)
5928 {
5929 if (h->plt.refcount > 0)
5930 h->plt.refcount -= 1;
5931 }
5932 break;
067653c5 5933
396a6083
SC
5934 case R_SH_GOTPLT32:
5935#ifdef INCLUDE_SHMEDIA
5936 case R_SH_GOTPLT_LOW16:
5937 case R_SH_GOTPLT_MEDLOW16:
5938 case R_SH_GOTPLT_MEDHI16:
5939 case R_SH_GOTPLT_HI16:
5940 case R_SH_GOTPLT10BY4:
5941 case R_SH_GOTPLT10BY8:
5942#endif
5943 if (h != NULL)
5944 {
26e41594
AM
5945 struct elf_sh_link_hash_entry *eh;
5946 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 5947 if (eh->gotplt_refcount > 0)
067653c5 5948 {
396a6083
SC
5949 eh->gotplt_refcount -= 1;
5950 if (h->plt.refcount > 0)
5951 h->plt.refcount -= 1;
067653c5 5952 }
067653c5 5953#ifdef INCLUDE_SHMEDIA
396a6083
SC
5954 else if (seen_stt_datalabel)
5955 {
5956 if (eh->datalabel_got.refcount > 0)
5957 eh->datalabel_got.refcount -= 1;
5958 }
067653c5 5959#endif
396a6083
SC
5960 else if (h->got.refcount > 0)
5961 h->got.refcount -= 1;
5962 }
5963 else if (local_got_refcounts != NULL)
5964 {
067653c5 5965#ifdef INCLUDE_SHMEDIA
396a6083
SC
5966 if (rel->r_addend & 1)
5967 {
5968 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5969 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5970 }
5971 else
067653c5 5972#endif
396a6083
SC
5973 if (local_got_refcounts[r_symndx] > 0)
5974 local_got_refcounts[r_symndx] -= 1;
5975 }
5976 break;
067653c5 5977
396a6083
SC
5978 default:
5979 break;
5980 }
5981 }
067653c5 5982
b34976b6 5983 return TRUE;
252b5132
RH
5984}
5985
067653c5
AM
5986/* Copy the extra info we tack onto an elf_link_hash_entry. */
5987
5988static void
fcfa13d2 5989sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
5990 struct elf_link_hash_entry *dir,
5991 struct elf_link_hash_entry *ind)
067653c5
AM
5992{
5993 struct elf_sh_link_hash_entry *edir, *eind;
5994
5995 edir = (struct elf_sh_link_hash_entry *) dir;
5996 eind = (struct elf_sh_link_hash_entry *) ind;
5997
5998 if (eind->dyn_relocs != NULL)
5999 {
6000 if (edir->dyn_relocs != NULL)
6001 {
6002 struct elf_sh_dyn_relocs **pp;
6003 struct elf_sh_dyn_relocs *p;
6004
fcfa13d2 6005 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
6006 list. Merge any entries against the same section. */
6007 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
6008 {
6009 struct elf_sh_dyn_relocs *q;
6010
6011 for (q = edir->dyn_relocs; q != NULL; q = q->next)
6012 if (q->sec == p->sec)
6013 {
6014 q->pc_count += p->pc_count;
6015 q->count += p->count;
6016 *pp = p->next;
6017 break;
6018 }
6019 if (q == NULL)
6020 pp = &p->next;
6021 }
6022 *pp = edir->dyn_relocs;
6023 }
6024
6025 edir->dyn_relocs = eind->dyn_relocs;
6026 eind->dyn_relocs = NULL;
6027 }
4989d792
SC
6028 edir->gotplt_refcount = eind->gotplt_refcount;
6029 eind->gotplt_refcount = 0;
396a6083 6030#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
6031 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
6032 eind->datalabel_got.refcount = 0;
396a6083 6033#endif
8e45593f
NC
6034 edir->funcdesc.refcount += eind->funcdesc.refcount;
6035 eind->funcdesc.refcount = 0;
6036 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
6037 eind->abs_funcdesc_refcount = 0;
067653c5 6038
3376eaf5
KK
6039 if (ind->root.type == bfd_link_hash_indirect
6040 && dir->got.refcount <= 0)
6041 {
8e45593f
NC
6042 edir->got_type = eind->got_type;
6043 eind->got_type = GOT_UNKNOWN;
3376eaf5
KK
6044 }
6045
04e534c3 6046 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
6047 && dir->dynamic_adjusted)
6048 {
6049 /* If called to transfer flags for a weakdef during processing
6050 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
6051 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
6052 dir->ref_dynamic |= ind->ref_dynamic;
6053 dir->ref_regular |= ind->ref_regular;
6054 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
6055 dir->needs_plt |= ind->needs_plt;
6056 }
04e534c3 6057 else
fcfa13d2 6058 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
6059}
6060
3376eaf5 6061static int
09fd220b
KK
6062sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
6063 int is_local)
3376eaf5
KK
6064{
6065 if (info->shared)
6066 return r_type;
6067
6068 switch (r_type)
6069 {
6070 case R_SH_TLS_GD_32:
6071 case R_SH_TLS_IE_32:
6072 if (is_local)
6073 return R_SH_TLS_LE_32;
6074 return R_SH_TLS_IE_32;
6075 case R_SH_TLS_LD_32:
6076 return R_SH_TLS_LE_32;
6077 }
6078
6079 return r_type;
6080}
6081
252b5132
RH
6082/* Look through the relocs for a section during the first phase.
6083 Since we don't do .gots or .plts, we just need to consider the
6084 virtual table relocs for gc. */
435b1e90 6085
b34976b6 6086static bfd_boolean
09fd220b
KK
6087sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6088 const Elf_Internal_Rela *relocs)
252b5132
RH
6089{
6090 Elf_Internal_Shdr *symtab_hdr;
5582a088 6091 struct elf_link_hash_entry **sym_hashes;
067653c5 6092 struct elf_sh_link_hash_table *htab;
252b5132
RH
6093 const Elf_Internal_Rela *rel;
6094 const Elf_Internal_Rela *rel_end;
37c644f2 6095 asection *sreloc;
3376eaf5 6096 unsigned int r_type;
8e45593f 6097 int got_type, old_got_type;
435b1e90 6098
37c644f2
AO
6099 sreloc = NULL;
6100
1049f94e 6101 if (info->relocatable)
b34976b6 6102 return TRUE;
435b1e90 6103
0ffa91dd
NC
6104 BFD_ASSERT (is_sh_elf (abfd));
6105
6106 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 6107 sym_hashes = elf_sym_hashes (abfd);
435b1e90 6108
067653c5 6109 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6110 if (htab == NULL)
6111 return FALSE;
6112
252b5132
RH
6113 rel_end = relocs + sec->reloc_count;
6114 for (rel = relocs; rel < rel_end; rel++)
6115 {
6116 struct elf_link_hash_entry *h;
6117 unsigned long r_symndx;
396a6083
SC
6118#ifdef INCLUDE_SHMEDIA
6119 int seen_stt_datalabel = 0;
6120#endif
435b1e90 6121
252b5132 6122 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
6123 r_type = ELF32_R_TYPE (rel->r_info);
6124
252b5132 6125 if (r_symndx < symtab_hdr->sh_info)
435b1e90 6126 h = NULL;
252b5132 6127 else
396a6083
SC
6128 {
6129 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
6130 while (h->root.type == bfd_link_hash_indirect
6131 || h->root.type == bfd_link_hash_warning)
6132 {
973a3492 6133#ifdef INCLUDE_SHMEDIA
396a6083 6134 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 6135#endif
396a6083
SC
6136 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6137 }
396a6083 6138 }
435b1e90 6139
3376eaf5
KK
6140 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6141 if (! info->shared
6142 && r_type == R_SH_TLS_IE_32
6143 && h != NULL
6144 && h->root.type != bfd_link_hash_undefined
6145 && h->root.type != bfd_link_hash_undefweak
6146 && (h->dynindx == -1
f5385ebf 6147 || h->def_regular))
3376eaf5
KK
6148 r_type = R_SH_TLS_LE_32;
6149
8e45593f
NC
6150 if (htab->fdpic_p)
6151 switch (r_type)
6152 {
6153 case R_SH_GOTOFFFUNCDESC:
6154 case R_SH_GOTOFFFUNCDESC20:
6155 case R_SH_FUNCDESC:
6156 case R_SH_GOTFUNCDESC:
6157 case R_SH_GOTFUNCDESC20:
6158 if (h != NULL)
6159 {
6160 if (h->dynindx == -1)
6161 switch (ELF_ST_VISIBILITY (h->other))
6162 {
6163 case STV_INTERNAL:
6164 case STV_HIDDEN:
6165 break;
6166 default:
6167 bfd_elf_link_record_dynamic_symbol (info, h);
6168 break;
6169 }
6170 }
6171 break;
6172 }
6173
37c644f2 6174 /* Some relocs require a global offset table. */
067653c5 6175 if (htab->sgot == NULL)
37c644f2 6176 {
3376eaf5 6177 switch (r_type)
37c644f2 6178 {
8e45593f
NC
6179 case R_SH_DIR32:
6180 /* This may require an rofixup. */
6181 if (!htab->fdpic_p)
6182 break;
fbca6ad9 6183 case R_SH_GOTPLT32:
37c644f2 6184 case R_SH_GOT32:
8e45593f 6185 case R_SH_GOT20:
37c644f2 6186 case R_SH_GOTOFF:
8e45593f
NC
6187 case R_SH_GOTOFF20:
6188 case R_SH_FUNCDESC:
6189 case R_SH_GOTFUNCDESC:
6190 case R_SH_GOTFUNCDESC20:
6191 case R_SH_GOTOFFFUNCDESC:
6192 case R_SH_GOTOFFFUNCDESC20:
37c644f2 6193 case R_SH_GOTPC:
fbca6ad9
AO
6194#ifdef INCLUDE_SHMEDIA
6195 case R_SH_GOTPLT_LOW16:
6196 case R_SH_GOTPLT_MEDLOW16:
6197 case R_SH_GOTPLT_MEDHI16:
6198 case R_SH_GOTPLT_HI16:
6199 case R_SH_GOTPLT10BY4:
6200 case R_SH_GOTPLT10BY8:
6201 case R_SH_GOT_LOW16:
6202 case R_SH_GOT_MEDLOW16:
6203 case R_SH_GOT_MEDHI16:
6204 case R_SH_GOT_HI16:
6205 case R_SH_GOT10BY4:
6206 case R_SH_GOT10BY8:
6207 case R_SH_GOTOFF_LOW16:
6208 case R_SH_GOTOFF_MEDLOW16:
6209 case R_SH_GOTOFF_MEDHI16:
6210 case R_SH_GOTOFF_HI16:
6211 case R_SH_GOTPC_LOW16:
6212 case R_SH_GOTPC_MEDLOW16:
6213 case R_SH_GOTPC_MEDHI16:
6214 case R_SH_GOTPC_HI16:
6215#endif
3376eaf5
KK
6216 case R_SH_TLS_GD_32:
6217 case R_SH_TLS_LD_32:
6218 case R_SH_TLS_IE_32:
8e45593f
NC
6219 if (htab->root.dynobj == NULL)
6220 htab->root.dynobj = abfd;
6221 if (!create_got_section (htab->root.dynobj, info))
6222 return FALSE;
37c644f2
AO
6223 break;
6224
6225 default:
6226 break;
6227 }
6228 }
6229
3376eaf5 6230 switch (r_type)
067653c5
AM
6231 {
6232 /* This relocation describes the C++ object vtable hierarchy.
6233 Reconstruct it for later use during GC. */
435b1e90 6234 case R_SH_GNU_VTINHERIT:
c152c796 6235 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 6236 return FALSE;
435b1e90
KH
6237 break;
6238
067653c5
AM
6239 /* This relocation describes which C++ vtable entries are actually
6240 used. Record for later use during GC. */
435b1e90 6241 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
6242 BFD_ASSERT (h != NULL);
6243 if (h != NULL
6244 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 6245 return FALSE;
435b1e90 6246 break;
37c644f2 6247
3376eaf5
KK
6248 case R_SH_TLS_IE_32:
6249 if (info->shared)
6250 info->flags |= DF_STATIC_TLS;
6251
6252 /* FALLTHROUGH */
267fb3c1 6253 force_got:
3376eaf5 6254 case R_SH_TLS_GD_32:
37c644f2 6255 case R_SH_GOT32:
8e45593f 6256 case R_SH_GOT20:
fbca6ad9
AO
6257#ifdef INCLUDE_SHMEDIA
6258 case R_SH_GOT_LOW16:
6259 case R_SH_GOT_MEDLOW16:
6260 case R_SH_GOT_MEDHI16:
6261 case R_SH_GOT_HI16:
6262 case R_SH_GOT10BY4:
6263 case R_SH_GOT10BY8:
6264#endif
8e45593f
NC
6265 case R_SH_GOTFUNCDESC:
6266 case R_SH_GOTFUNCDESC20:
3376eaf5
KK
6267 switch (r_type)
6268 {
6269 default:
8e45593f 6270 got_type = GOT_NORMAL;
3376eaf5
KK
6271 break;
6272 case R_SH_TLS_GD_32:
8e45593f 6273 got_type = GOT_TLS_GD;
3376eaf5
KK
6274 break;
6275 case R_SH_TLS_IE_32:
8e45593f
NC
6276 got_type = GOT_TLS_IE;
6277 break;
6278 case R_SH_GOTFUNCDESC:
6279 case R_SH_GOTFUNCDESC20:
6280 got_type = GOT_FUNCDESC;
3376eaf5
KK
6281 break;
6282 }
6283
37c644f2 6284 if (h != NULL)
3376eaf5 6285 {
396a6083
SC
6286#ifdef INCLUDE_SHMEDIA
6287 if (seen_stt_datalabel)
6288 {
b34976b6
AM
6289 struct elf_sh_link_hash_entry *eh
6290 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
6291
6292 eh->datalabel_got.refcount += 1;
6293 }
6294 else
6295#endif
6296 h->got.refcount += 1;
8e45593f 6297 old_got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5 6298 }
37c644f2
AO
6299 else
6300 {
067653c5
AM
6301 bfd_signed_vma *local_got_refcounts;
6302
435b1e90 6303 /* This is a global offset table entry for a local
067653c5
AM
6304 symbol. */
6305 local_got_refcounts = elf_local_got_refcounts (abfd);
6306 if (local_got_refcounts == NULL)
37c644f2 6307 {
dc810e39 6308 bfd_size_type size;
37c644f2 6309
dc810e39 6310 size = symtab_hdr->sh_info;
067653c5 6311 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
6312#ifdef INCLUDE_SHMEDIA
6313 /* Reserve space for both the datalabel and
6314 codelabel local GOT offsets. */
6315 size *= 2;
6316#endif
3376eaf5 6317 size += symtab_hdr->sh_info;
067653c5
AM
6318 local_got_refcounts = ((bfd_signed_vma *)
6319 bfd_zalloc (abfd, size));
6320 if (local_got_refcounts == NULL)
b34976b6 6321 return FALSE;
067653c5 6322 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
6323#ifdef INCLUDE_SHMEDIA
6324 /* Take care of both the datalabel and codelabel local
6325 GOT offsets. */
8e45593f 6326 sh_elf_local_got_type (abfd)
3376eaf5
KK
6327 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6328#else
8e45593f 6329 sh_elf_local_got_type (abfd)
3376eaf5
KK
6330 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6331#endif
37c644f2 6332 }
396a6083
SC
6333#ifdef INCLUDE_SHMEDIA
6334 if (rel->r_addend & 1)
6335 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6336 else
6337#endif
6338 local_got_refcounts[r_symndx] += 1;
8e45593f 6339 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
3376eaf5
KK
6340 }
6341
6342 /* If a TLS symbol is accessed using IE at least once,
6343 there is no point to use dynamic model for it. */
8e45593f
NC
6344 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
6345 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
3376eaf5 6346 {
8e45593f
NC
6347 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
6348 got_type = GOT_TLS_IE;
3376eaf5
KK
6349 else
6350 {
8e45593f
NC
6351 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
6352 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
6353 (*_bfd_error_handler)
6354 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6355 abfd, h->root.root.string);
6356 else if (old_got_type == GOT_FUNCDESC
6357 || got_type == GOT_FUNCDESC)
6358 (*_bfd_error_handler)
6359 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6360 abfd, h->root.root.string);
6361 else
6362 (*_bfd_error_handler)
d003868e
AM
6363 (_("%B: `%s' accessed both as normal and thread local symbol"),
6364 abfd, h->root.root.string);
b34976b6 6365 return FALSE;
3376eaf5
KK
6366 }
6367 }
6368
8e45593f 6369 if (old_got_type != got_type)
3376eaf5
KK
6370 {
6371 if (h != NULL)
8e45593f 6372 sh_elf_hash_entry (h)->got_type = got_type;
3376eaf5 6373 else
8e45593f 6374 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
37c644f2 6375 }
3376eaf5
KK
6376
6377 break;
6378
6379 case R_SH_TLS_LD_32:
6380 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
6381 break;
6382
8e45593f
NC
6383 case R_SH_FUNCDESC:
6384 case R_SH_GOTOFFFUNCDESC:
6385 case R_SH_GOTOFFFUNCDESC20:
6386 if (rel->r_addend)
6387 {
6388 (*_bfd_error_handler)
6389 (_("%B: Function descriptor relocation with non-zero addend"),
6390 abfd);
6391 return FALSE;
6392 }
6393
6394 if (h == NULL)
6395 {
6396 union gotref *local_funcdesc;
6397
6398 /* We need a function descriptor for a local symbol. */
6399 local_funcdesc = sh_elf_local_funcdesc (abfd);
6400 if (local_funcdesc == NULL)
6401 {
6402 bfd_size_type size;
6403
6404 size = symtab_hdr->sh_info * sizeof (union gotref);
6405#ifdef INCLUDE_SHMEDIA
6406 /* Count datalabel local GOT. */
6407 size *= 2;
6408#endif
6409 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
6410 if (local_funcdesc == NULL)
6411 return FALSE;
6412 sh_elf_local_funcdesc (abfd) = local_funcdesc;
6413 }
6414 local_funcdesc[r_symndx].refcount += 1;
6415
6416 if (r_type == R_SH_FUNCDESC)
6417 {
6418 if (!info->shared)
6419 htab->srofixup->size += 4;
6420 else
6421 htab->srelgot->size += sizeof (Elf32_External_Rela);
6422 }
6423 }
6424 else
6425 {
6426 sh_elf_hash_entry (h)->funcdesc.refcount++;
6427 if (r_type == R_SH_FUNCDESC)
6428 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
6429
6430 /* If there is a function descriptor reference, then
6431 there should not be any non-FDPIC references. */
6432 old_got_type = sh_elf_hash_entry (h)->got_type;
6433 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
6434 {
6435 if (old_got_type == GOT_NORMAL)
6436 (*_bfd_error_handler)
6437 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6438 abfd, h->root.root.string);
6439 else
6440 (*_bfd_error_handler)
6441 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6442 abfd, h->root.root.string);
6443 }
6444 }
6445 break;
6446
fbca6ad9
AO
6447 case R_SH_GOTPLT32:
6448#ifdef INCLUDE_SHMEDIA
6449 case R_SH_GOTPLT_LOW16:
6450 case R_SH_GOTPLT_MEDLOW16:
6451 case R_SH_GOTPLT_MEDHI16:
6452 case R_SH_GOTPLT_HI16:
6453 case R_SH_GOTPLT10BY4:
6454 case R_SH_GOTPLT10BY8:
6455#endif
6456 /* If this is a local symbol, we resolve it directly without
6457 creating a procedure linkage table entry. */
6458
6459 if (h == NULL
f5385ebf 6460 || h->forced_local
fbca6ad9
AO
6461 || ! info->shared
6462 || info->symbolic
067653c5 6463 || h->dynindx == -1)
fbca6ad9
AO
6464 goto force_got;
6465
f5385ebf 6466 h->needs_plt = 1;
067653c5 6467 h->plt.refcount += 1;
4989d792 6468 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
6469
6470 break;
6471
37c644f2 6472 case R_SH_PLT32:
fbca6ad9
AO
6473#ifdef INCLUDE_SHMEDIA
6474 case R_SH_PLT_LOW16:
6475 case R_SH_PLT_MEDLOW16:
6476 case R_SH_PLT_MEDHI16:
6477 case R_SH_PLT_HI16:
6478#endif
37c644f2
AO
6479 /* This symbol requires a procedure linkage table entry. We
6480 actually build the entry in adjust_dynamic_symbol,
6481 because this might be a case of linking PIC code which is
6482 never referenced by a dynamic object, in which case we
6483 don't need to generate a procedure linkage table entry
6484 after all. */
6485
6486 /* If this is a local symbol, we resolve it directly without
6487 creating a procedure linkage table entry. */
6488 if (h == NULL)
6489 continue;
6490
f5385ebf 6491 if (h->forced_local)
37c644f2
AO
6492 break;
6493
f5385ebf 6494 h->needs_plt = 1;
067653c5 6495 h->plt.refcount += 1;
37c644f2
AO
6496 break;
6497
6498 case R_SH_DIR32:
6499 case R_SH_REL32:
46e993b9
KK
6500#ifdef INCLUDE_SHMEDIA
6501 case R_SH_IMM_LOW16_PCREL:
6502 case R_SH_IMM_MEDLOW16_PCREL:
6503 case R_SH_IMM_MEDHI16_PCREL:
6504 case R_SH_IMM_HI16_PCREL:
6505#endif
067653c5
AM
6506 if (h != NULL && ! info->shared)
6507 {
f5385ebf 6508 h->non_got_ref = 1;
067653c5
AM
6509 h->plt.refcount += 1;
6510 }
37c644f2
AO
6511
6512 /* If we are creating a shared library, and this is a reloc
6513 against a global symbol, or a non PC relative reloc
6514 against a local symbol, then we need to copy the reloc
6515 into the shared library. However, if we are linking with
6516 -Bsymbolic, we do not need to copy a reloc against a
6517 global symbol which is defined in an object we are
6518 including in the link (i.e., DEF_REGULAR is set). At
6519 this point we have not seen all the input files, so it is
6520 possible that DEF_REGULAR is not set now but will be set
6521 later (it is never cleared). We account for that
6522 possibility below by storing information in the
067653c5
AM
6523 dyn_relocs field of the hash table entry. A similar
6524 situation occurs when creating shared libraries and symbol
6525 visibility changes render the symbol local.
6526
6527 If on the other hand, we are creating an executable, we
6528 may need to keep relocations for symbols satisfied by a
6529 dynamic library if we manage to avoid copy relocs for the
6530 symbol. */
6531 if ((info->shared
6532 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 6533 && (r_type != R_SH_REL32
067653c5
AM
6534 || (h != NULL
6535 && (! info->symbolic
6536 || h->root.type == bfd_link_hash_defweak
f5385ebf 6537 || !h->def_regular))))
067653c5
AM
6538 || (! info->shared
6539 && (sec->flags & SEC_ALLOC) != 0
6540 && h != NULL
6541 && (h->root.type == bfd_link_hash_defweak
f5385ebf 6542 || !h->def_regular)))
37c644f2 6543 {
067653c5
AM
6544 struct elf_sh_dyn_relocs *p;
6545 struct elf_sh_dyn_relocs **head;
6546
2293c499
AM
6547 if (htab->root.dynobj == NULL)
6548 htab->root.dynobj = abfd;
067653c5 6549
37c644f2
AO
6550 /* When creating a shared object, we must copy these
6551 reloc types into the output file. We create a reloc
6552 section in dynobj and make room for this reloc. */
6553 if (sreloc == NULL)
6554 {
83bac4b0
NC
6555 sreloc = _bfd_elf_make_dynamic_reloc_section
6556 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 6557
37c644f2 6558 if (sreloc == NULL)
83bac4b0 6559 return FALSE;
37c644f2
AO
6560 }
6561
067653c5
AM
6562 /* If this is a global symbol, we count the number of
6563 relocations we need for this symbol. */
6564 if (h != NULL)
6565 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6566 else
37c644f2 6567 {
87d72d41 6568 /* Track dynamic relocs needed for local syms too. */
067653c5 6569 asection *s;
6edfbbad 6570 void *vpp;
87d72d41 6571 Elf_Internal_Sym *isym;
37c644f2 6572
87d72d41
AM
6573 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
6574 abfd, r_symndx);
6575 if (isym == NULL)
b34976b6 6576 return FALSE;
37c644f2 6577
87d72d41
AM
6578 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
6579 if (s == NULL)
6580 s = sec;
6581
6edfbbad
DJ
6582 vpp = &elf_section_data (s)->local_dynrel;
6583 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 6584 }
37c644f2 6585
067653c5
AM
6586 p = *head;
6587 if (p == NULL || p->sec != sec)
6588 {
6589 bfd_size_type amt = sizeof (*p);
2293c499 6590 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 6591 if (p == NULL)
b34976b6 6592 return FALSE;
067653c5
AM
6593 p->next = *head;
6594 *head = p;
6595 p->sec = sec;
6596 p->count = 0;
6597 p->pc_count = 0;
37c644f2 6598 }
067653c5
AM
6599
6600 p->count += 1;
46e993b9
KK
6601 if (r_type == R_SH_REL32
6602#ifdef INCLUDE_SHMEDIA
6603 || r_type == R_SH_IMM_LOW16_PCREL
6604 || r_type == R_SH_IMM_MEDLOW16_PCREL
6605 || r_type == R_SH_IMM_MEDHI16_PCREL
6606 || r_type == R_SH_IMM_HI16_PCREL
6607#endif
6608 )
067653c5 6609 p->pc_count += 1;
37c644f2
AO
6610 }
6611
8e45593f
NC
6612 /* Allocate the fixup regardless of whether we need a relocation.
6613 If we end up generating the relocation, we'll unallocate the
6614 fixup. */
6615 if (htab->fdpic_p && !info->shared
6616 && r_type == R_SH_DIR32
6617 && (sec->flags & SEC_ALLOC) != 0)
6618 htab->srofixup->size += 4;
37c644f2 6619 break;
3376eaf5
KK
6620
6621 case R_SH_TLS_LE_32:
6622 if (info->shared)
6623 {
d003868e
AM
6624 (*_bfd_error_handler)
6625 (_("%B: TLS local exec code cannot be linked into shared objects"),
6626 abfd);
b34976b6 6627 return FALSE;
3376eaf5
KK
6628 }
6629
267fb3c1 6630 break;
3376eaf5 6631
3376eaf5 6632 case R_SH_TLS_LDO_32:
267fb3c1 6633 /* Nothing to do. */
3376eaf5
KK
6634 break;
6635
6636 default:
6637 break;
435b1e90 6638 }
252b5132 6639 }
435b1e90 6640
b34976b6 6641 return TRUE;
252b5132
RH
6642}
6643
fbca6ad9 6644#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
6645static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6646
b34976b6 6647static bfd_boolean
09fd220b 6648sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 6649{
f6f9408f
JR
6650 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6651
6652 if (flags >= sizeof(sh_ef_bfd_table))
6653 return FALSE;
6654
6655 if (sh_ef_bfd_table[flags] == 0)
6656 return FALSE;
6657
6658 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 6659
b34976b6 6660 return TRUE;
d4845d57 6661}
f6f9408f
JR
6662
6663
6664/* Reverse table lookup for sh_ef_bfd_table[].
6665 Given a bfd MACH value from archures.c
6666 return the equivalent ELF flags from the table.
6667 Return -1 if no match is found. */
6668
6669int
6670sh_elf_get_flags_from_mach (unsigned long mach)
6671{
4195f552 6672 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
f6f9408f
JR
6673
6674 for (; i>0; i--)
6675 if (sh_ef_bfd_table[i] == mach)
6676 return i;
6677
6678 /* shouldn't get here */
6679 BFD_FAIL();
6680
6681 return -1;
6682}
fbca6ad9 6683#endif /* not sh_elf_set_mach_from_flags */
d4845d57 6684
fbca6ad9 6685#ifndef sh_elf_set_private_flags
435b1e90
KH
6686/* Function to keep SH specific file flags. */
6687
b34976b6 6688static bfd_boolean
09fd220b 6689sh_elf_set_private_flags (bfd *abfd, flagword flags)
d4845d57
JR
6690{
6691 BFD_ASSERT (! elf_flags_init (abfd)
6692 || elf_elfheader (abfd)->e_flags == flags);
6693
6694 elf_elfheader (abfd)->e_flags = flags;
b34976b6 6695 elf_flags_init (abfd) = TRUE;
d4845d57
JR
6696 return sh_elf_set_mach_from_flags (abfd);
6697}
fbca6ad9 6698#endif /* not sh_elf_set_private_flags */
d4845d57 6699
fbca6ad9 6700#ifndef sh_elf_copy_private_data
d4845d57 6701/* Copy backend specific data from one object module to another */
435b1e90 6702
b34976b6 6703static bfd_boolean
09fd220b 6704sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 6705{
104d59d1
JM
6706 /* Copy object attributes. */
6707 _bfd_elf_copy_obj_attributes (ibfd, obfd);
6708
0ffa91dd
NC
6709 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6710 return TRUE;
6711
8e45593f
NC
6712 /* Copy the stack size. */
6713 if (elf_tdata (ibfd)->phdr && elf_tdata (obfd)->phdr
6714 && fdpic_object_p (ibfd) && fdpic_object_p (obfd))
6715 {
6716 unsigned i;
6717
6718 for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
6719 if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
6720 {
6721 Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
6722
6723 for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
6724 if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
6725 {
6726 memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
6727
6728 /* Rewrite the phdrs, since we're only called after they
6729 were first written. */
6730 if (bfd_seek (obfd,
6731 (bfd_signed_vma) get_elf_backend_data (obfd)
6732 ->s->sizeof_ehdr, SEEK_SET) != 0
6733 || get_elf_backend_data (obfd)->s
6734 ->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
6735 elf_elfheader (obfd)->e_phnum) != 0)
6736 return FALSE;
6737 break;
6738 }
6739
6740 break;
6741 }
6742 }
6743
d4845d57
JR
6744 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
6745}
fbca6ad9 6746#endif /* not sh_elf_copy_private_data */
d4845d57 6747
fbca6ad9 6748#ifndef sh_elf_merge_private_data
d4845d57 6749
f6f9408f
JR
6750/* This function returns the ELF architecture number that
6751 corresponds to the given arch_sh* flags. */
85fbca6a 6752
f6f9408f
JR
6753int
6754sh_find_elf_flags (unsigned int arch_set)
d4845d57 6755{
85fbca6a 6756 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 6757 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 6758
f6f9408f
JR
6759 return sh_elf_get_flags_from_mach (bfd_mach);
6760}
f6f9408f
JR
6761
6762/* This routine initialises the elf flags when required and
6763 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 6764
f6f9408f
JR
6765static bfd_boolean
6766sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6767{
85fbca6a
NC
6768 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6769
0ffa91dd 6770 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 6771 return TRUE;
d4845d57
JR
6772
6773 if (! elf_flags_init (obfd))
6774 {
a39b79b9 6775 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 6776 elf_flags_init (obfd) = TRUE;
8e45593f 6777 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
f6f9408f 6778 sh_elf_set_mach_from_flags (obfd);
8e45593f
NC
6779 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
6780 elf_elfheader (obfd)->e_flags |= EF_SH_PIC;
d4845d57 6781 }
d4845d57 6782
85fbca6a 6783 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 6784 {
d003868e 6785 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 6786 "with instructions used in previous modules",
d003868e 6787 ibfd);
1d70c7fb
AO
6788 bfd_set_error (bfd_error_bad_value);
6789 return FALSE;
6790 }
f6f9408f 6791
8e45593f
NC
6792 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
6793 elf_elfheader (obfd)->e_flags |=
f6f9408f 6794 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
8e45593f
NC
6795
6796 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
6797 {
6798 _bfd_error_handler ("%B: attempt to mix FDPIC and non-FDPIC objects",
6799 ibfd);
6800 bfd_set_error (bfd_error_bad_value);
6801 return FALSE;
6802 }
6803
f6f9408f 6804 return TRUE;
d4845d57 6805}
fbca6ad9 6806#endif /* not sh_elf_merge_private_data */
d4845d57 6807
3376eaf5
KK
6808/* Override the generic function because we need to store sh_elf_obj_tdata
6809 as the specific tdata. We set also the machine architecture from flags
6810 here. */
6811
b34976b6 6812static bfd_boolean
09fd220b 6813sh_elf_object_p (bfd *abfd)
3376eaf5 6814{
8e45593f
NC
6815 if (! sh_elf_set_mach_from_flags (abfd))
6816 return FALSE;
6817
6818 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
6819 == fdpic_object_p (abfd));
3376eaf5
KK
6820}
6821
37c644f2
AO
6822/* Finish up dynamic symbol handling. We set the contents of various
6823 dynamic sections here. */
6824
b34976b6 6825static bfd_boolean
09fd220b
KK
6826sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6827 struct elf_link_hash_entry *h,
6828 Elf_Internal_Sym *sym)
37c644f2 6829{
067653c5 6830 struct elf_sh_link_hash_table *htab;
37c644f2 6831
067653c5 6832 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6833 if (htab == NULL)
6834 return FALSE;
37c644f2
AO
6835
6836 if (h->plt.offset != (bfd_vma) -1)
6837 {
6838 asection *splt;
8e45593f
NC
6839 asection *sgotplt;
6840 asection *srelplt;
37c644f2
AO
6841
6842 bfd_vma plt_index;
6843 bfd_vma got_offset;
6844 Elf_Internal_Rela rel;
947216bf 6845 bfd_byte *loc;
8e45593f 6846 const struct elf_sh_plt_info *plt_info;
37c644f2
AO
6847
6848 /* This symbol has an entry in the procedure linkage table. Set
6849 it up. */
6850
6851 BFD_ASSERT (h->dynindx != -1);
6852
067653c5 6853 splt = htab->splt;
8e45593f
NC
6854 sgotplt = htab->sgotplt;
6855 srelplt = htab->srelplt;
6856 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
37c644f2
AO
6857
6858 /* Get the index in the procedure linkage table which
6859 corresponds to this symbol. This is the index of this symbol
6860 in all the symbols for which we are making plt entries. The
6861 first entry in the procedure linkage table is reserved. */
55e6e397 6862 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2 6863
8e45593f
NC
6864 plt_info = htab->plt_info;
6865 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6866 plt_info = plt_info->short_plt;
6867
37c644f2 6868 /* Get the offset into the .got table of the entry that
8e45593f
NC
6869 corresponds to this function. */
6870 if (htab->fdpic_p)
6871 /* The offset must be relative to the GOT symbol, twelve bytes
6872 before the end of .got.plt. Each descriptor is eight
6873 bytes. */
6874 got_offset = plt_index * 8 + 12 - sgotplt->size;
6875 else
6876 /* Each .got entry is 4 bytes. The first three are
6877 reserved. */
6878 got_offset = (plt_index + 3) * 4;
37c644f2 6879
fbca6ad9 6880#ifdef GOT_BIAS
c8614e8e
AM
6881 if (info->shared)
6882 got_offset -= GOT_BIAS;
fbca6ad9
AO
6883#endif
6884
37c644f2 6885 /* Fill in the entry in the procedure linkage table. */
55e6e397 6886 memcpy (splt->contents + h->plt.offset,
8e45593f
NC
6887 plt_info->symbol_entry,
6888 plt_info->symbol_entry_size);
55e6e397 6889
8e45593f
NC
6890 if (info->shared || htab->fdpic_p)
6891 {
6892 if (plt_info->symbol_fields.got20)
6893 {
6894 bfd_reloc_status_type r;
6895 r = install_movi20_field (output_bfd, got_offset,
6896 splt->owner, splt, splt->contents,
6897 h->plt.offset
6898 + plt_info->symbol_fields.got_entry);
6899 BFD_ASSERT (r == bfd_reloc_ok);
6900 }
6901 else
6902 install_plt_field (output_bfd, FALSE, got_offset,
6903 (splt->contents
6904 + h->plt.offset
6905 + plt_info->symbol_fields.got_entry));
6906 }
55e6e397 6907 else
37c644f2 6908 {
8e45593f
NC
6909 BFD_ASSERT (!plt_info->symbol_fields.got20);
6910
55e6e397 6911 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6912 (sgotplt->output_section->vma
6913 + sgotplt->output_offset
fbca6ad9 6914 + got_offset),
55e6e397
RS
6915 (splt->contents
6916 + h->plt.offset
8e45593f 6917 + plt_info->symbol_fields.got_entry));
55e6e397 6918 if (htab->vxworks_p)
37c644f2 6919 {
55e6e397
RS
6920 unsigned int reachable_plts, plts_per_4k;
6921 int distance;
6922
6923 /* Divide the PLT into groups. The first group contains
6924 REACHABLE_PLTS entries and the other groups contain
6925 PLTS_PER_4K entries. Entries in the first group can
6926 branch directly to .plt; those in later groups branch
6927 to the last element of the previous group. */
6928 /* ??? It would be better to create multiple copies of
6929 the common resolver stub. */
6930 reachable_plts = ((4096
8e45593f
NC
6931 - plt_info->plt0_entry_size
6932 - (plt_info->symbol_fields.plt + 4))
6933 / plt_info->symbol_entry_size) + 1;
6934 plts_per_4k = (4096 / plt_info->symbol_entry_size);
55e6e397
RS
6935 if (plt_index < reachable_plts)
6936 distance = -(h->plt.offset
8e45593f 6937 + plt_info->symbol_fields.plt);
55e6e397
RS
6938 else
6939 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
8e45593f 6940 * plt_info->symbol_entry_size);
55e6e397
RS
6941
6942 /* Install the 'bra' with this offset. */
6943 bfd_put_16 (output_bfd,
6944 0xa000 | (0x0fff & ((distance - 4) / 2)),
6945 (splt->contents
6946 + h->plt.offset
8e45593f 6947 + plt_info->symbol_fields.plt));
37c644f2 6948 }
55e6e397
RS
6949 else
6950 install_plt_field (output_bfd, TRUE,
6951 splt->output_section->vma + splt->output_offset,
6952 (splt->contents
6953 + h->plt.offset
8e45593f 6954 + plt_info->symbol_fields.plt));
37c644f2
AO
6955 }
6956
8e45593f 6957 /* Make got_offset relative to the start of .got.plt. */
fbca6ad9 6958#ifdef GOT_BIAS
c8614e8e
AM
6959 if (info->shared)
6960 got_offset += GOT_BIAS;
fbca6ad9 6961#endif
8e45593f
NC
6962 if (htab->fdpic_p)
6963 got_offset = plt_index * 8;
fbca6ad9 6964
8e45593f
NC
6965 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6966 install_plt_field (output_bfd, FALSE,
6967 plt_index * sizeof (Elf32_External_Rela),
6968 (splt->contents
6969 + h->plt.offset
6970 + plt_info->symbol_fields.reloc_offset));
37c644f2
AO
6971
6972 /* Fill in the entry in the global offset table. */
6973 bfd_put_32 (output_bfd,
6974 (splt->output_section->vma
6975 + splt->output_offset
6976 + h->plt.offset
8e45593f
NC
6977 + plt_info->symbol_resolve_offset),
6978 sgotplt->contents + got_offset);
6979 if (htab->fdpic_p)
6980 bfd_put_32 (output_bfd,
6981 sh_elf_osec_to_segment (output_bfd,
6982 htab->splt->output_section),
6983 sgotplt->contents + got_offset + 4);
37c644f2
AO
6984
6985 /* Fill in the entry in the .rela.plt section. */
8e45593f
NC
6986 rel.r_offset = (sgotplt->output_section->vma
6987 + sgotplt->output_offset
37c644f2 6988 + got_offset);
8e45593f
NC
6989 if (htab->fdpic_p)
6990 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6991 else
6992 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
37c644f2 6993 rel.r_addend = 0;
fbca6ad9
AO
6994#ifdef GOT_BIAS
6995 rel.r_addend = GOT_BIAS;
6996#endif
8e45593f 6997 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
947216bf 6998 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 6999
55e6e397
RS
7000 if (htab->vxworks_p && !info->shared)
7001 {
7002 /* Create the .rela.plt.unloaded relocations for this PLT entry.
7003 Begin by pointing LOC to the first such relocation. */
7004 loc = (htab->srelplt2->contents
7005 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
7006
7007 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
7008 for the PLT entry's pointer to the .got.plt entry. */
7009 rel.r_offset = (htab->splt->output_section->vma
7010 + htab->splt->output_offset
7011 + h->plt.offset
8e45593f 7012 + plt_info->symbol_fields.got_entry);
55e6e397
RS
7013 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
7014 rel.r_addend = got_offset;
7015 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7016 loc += sizeof (Elf32_External_Rela);
7017
7018 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
7019 the .got.plt entry, which initially points to .plt. */
8e45593f
NC
7020 rel.r_offset = (sgotplt->output_section->vma
7021 + sgotplt->output_offset
55e6e397
RS
7022 + got_offset);
7023 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
7024 rel.r_addend = 0;
7025 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7026 }
7027
f5385ebf 7028 if (!h->def_regular)
37c644f2
AO
7029 {
7030 /* Mark the symbol as undefined, rather than as defined in
7031 the .plt section. Leave the value alone. */
7032 sym->st_shndx = SHN_UNDEF;
7033 }
7034 }
7035
3376eaf5 7036 if (h->got.offset != (bfd_vma) -1
8e45593f
NC
7037 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
7038 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
7039 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
37c644f2
AO
7040 {
7041 asection *sgot;
8e45593f 7042 asection *srelgot;
37c644f2 7043 Elf_Internal_Rela rel;
947216bf 7044 bfd_byte *loc;
37c644f2
AO
7045
7046 /* This symbol has an entry in the global offset table. Set it
7047 up. */
7048
067653c5 7049 sgot = htab->sgot;
8e45593f
NC
7050 srelgot = htab->srelgot;
7051 BFD_ASSERT (sgot != NULL && srelgot != NULL);
37c644f2
AO
7052
7053 rel.r_offset = (sgot->output_section->vma
7054 + sgot->output_offset
dc810e39 7055 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 7056
067653c5
AM
7057 /* If this is a static link, or it is a -Bsymbolic link and the
7058 symbol is defined locally or was forced to be local because
7059 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
7060 The entry in the global offset table will already have been
7061 initialized in the relocate_section function. */
7062 if (info->shared
3d85aebe 7063 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2 7064 {
8e45593f
NC
7065 if (htab->fdpic_p)
7066 {
7067 asection *sec = h->root.u.def.section;
7068 int dynindx
7069 = elf_section_data (sec->output_section)->dynindx;
7070
7071 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
7072 rel.r_addend = (h->root.u.def.value
7073 + h->root.u.def.section->output_offset);
7074 }
7075 else
7076 {
7077 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
7078 rel.r_addend = (h->root.u.def.value
7079 + h->root.u.def.section->output_section->vma
7080 + h->root.u.def.section->output_offset);
7081 }
37c644f2
AO
7082 }
7083 else
7084 {
7085 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
7086 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7087 rel.r_addend = 0;
7088 }
7089
8e45593f
NC
7090 loc = srelgot->contents;
7091 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 7092 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
7093 }
7094
396a6083
SC
7095#ifdef INCLUDE_SHMEDIA
7096 {
7097 struct elf_sh_link_hash_entry *eh;
7098
7099 eh = (struct elf_sh_link_hash_entry *) h;
7100 if (eh->datalabel_got.offset != (bfd_vma) -1)
7101 {
7102 asection *sgot;
8e45593f 7103 asection *srelgot;
396a6083 7104 Elf_Internal_Rela rel;
947216bf 7105 bfd_byte *loc;
396a6083
SC
7106
7107 /* This symbol has a datalabel entry in the global offset table.
7108 Set it up. */
7109
7110 sgot = htab->sgot;
8e45593f
NC
7111 srelgot = htab->srelgot;
7112 BFD_ASSERT (sgot != NULL && srelgot != NULL);
396a6083
SC
7113
7114 rel.r_offset = (sgot->output_section->vma
7115 + sgot->output_offset
7116 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
7117
7118 /* If this is a static link, or it is a -Bsymbolic link and the
7119 symbol is defined locally or was forced to be local because
7120 of a version file, we just want to emit a RELATIVE reloc.
7121 The entry in the global offset table will already have been
7122 initialized in the relocate_section function. */
7123 if (info->shared
3d85aebe 7124 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083 7125 {
8e45593f
NC
7126 if (htab->fdpic_p)
7127 {
7128 asection *sec = h->root.u.def.section;
7129 int dynindx
7130 = elf_section_data (sec->output_section)->dynindx;
7131
7132 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
7133 rel.r_addend = (h->root.u.def.value
7134 + h->root.u.def.section->output_offset);
7135 }
7136 else
7137 {
7138 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
7139 rel.r_addend = (h->root.u.def.value
7140 + h->root.u.def.section->output_section->vma
7141 + h->root.u.def.section->output_offset);
7142 }
396a6083
SC
7143 }
7144 else
7145 {
7146 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7147 + eh->datalabel_got.offset);
7148 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7149 rel.r_addend = 0;
7150 }
7151
8e45593f
NC
7152 loc = srelgot->contents;
7153 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 7154 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
7155 }
7156 }
7157#endif
7158
f5385ebf 7159 if (h->needs_copy)
37c644f2
AO
7160 {
7161 asection *s;
7162 Elf_Internal_Rela rel;
947216bf 7163 bfd_byte *loc;
37c644f2
AO
7164
7165 /* This symbol needs a copy reloc. Set it up. */
7166
7167 BFD_ASSERT (h->dynindx != -1
7168 && (h->root.type == bfd_link_hash_defined
7169 || h->root.type == bfd_link_hash_defweak));
7170
7171 s = bfd_get_section_by_name (h->root.u.def.section->owner,
7172 ".rela.bss");
7173 BFD_ASSERT (s != NULL);
7174
7175 rel.r_offset = (h->root.u.def.value
7176 + h->root.u.def.section->output_section->vma
7177 + h->root.u.def.section->output_offset);
7178 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7179 rel.r_addend = 0;
947216bf
AM
7180 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7181 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
7182 }
7183
55e6e397
RS
7184 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
7185 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
7186 ".got" section. */
37c644f2 7187 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
55e6e397 7188 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
7189 sym->st_shndx = SHN_ABS;
7190
b34976b6 7191 return TRUE;
37c644f2
AO
7192}
7193
7194/* Finish up the dynamic sections. */
7195
b34976b6 7196static bfd_boolean
09fd220b 7197sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 7198{
067653c5 7199 struct elf_sh_link_hash_table *htab;
8e45593f 7200 asection *sgotplt;
37c644f2
AO
7201 asection *sdyn;
7202
067653c5 7203 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
7204 if (htab == NULL)
7205 return FALSE;
7206
8e45593f 7207 sgotplt = htab->sgotplt;
2293c499 7208 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
37c644f2 7209
067653c5 7210 if (htab->root.dynamic_sections_created)
37c644f2
AO
7211 {
7212 asection *splt;
7213 Elf32_External_Dyn *dyncon, *dynconend;
7214
8e45593f 7215 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
37c644f2
AO
7216
7217 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 7218 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
7219 for (; dyncon < dynconend; dyncon++)
7220 {
7221 Elf_Internal_Dyn dyn;
37c644f2 7222 asection *s;
067653c5
AM
7223#ifdef INCLUDE_SHMEDIA
7224 const char *name;
7225#endif
37c644f2 7226
2293c499 7227 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
7228
7229 switch (dyn.d_tag)
7230 {
7231 default:
7a2b07ff
NS
7232 if (htab->vxworks_p
7233 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
7234 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
7235 break;
7236
3b587c71
AM
7237#ifdef INCLUDE_SHMEDIA
7238 case DT_INIT:
7239 name = info->init_function;
7240 goto get_sym;
7241
7242 case DT_FINI:
7243 name = info->fini_function;
7244 get_sym:
7245 if (dyn.d_un.d_val != 0)
7246 {
067653c5
AM
7247 struct elf_link_hash_entry *h;
7248
7249 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 7250 FALSE, FALSE, TRUE);
3b587c71
AM
7251 if (h != NULL && (h->other & STO_SH5_ISA32))
7252 {
7253 dyn.d_un.d_val |= 1;
7254 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7255 }
7256 }
7257 break;
7258#endif
7259
37c644f2 7260 case DT_PLTGOT:
8e45593f
NC
7261 BFD_ASSERT (htab->root.hgot != NULL);
7262 s = htab->root.hgot->root.u.def.section;
7263 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
7264 + s->output_section->vma + s->output_offset;
7265 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7266 break;
37c644f2
AO
7267
7268 case DT_JMPREL:
067653c5 7269 s = htab->srelplt->output_section;
37c644f2
AO
7270 BFD_ASSERT (s != NULL);
7271 dyn.d_un.d_ptr = s->vma;
7272 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7273 break;
7274
7275 case DT_PLTRELSZ:
067653c5 7276 s = htab->srelplt->output_section;
37c644f2 7277 BFD_ASSERT (s != NULL);
eea6121a 7278 dyn.d_un.d_val = s->size;
37c644f2
AO
7279 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7280 break;
7281
7282 case DT_RELASZ:
7283 /* My reading of the SVR4 ABI indicates that the
7284 procedure linkage table relocs (DT_JMPREL) should be
7285 included in the overall relocs (DT_RELA). This is
7286 what Solaris does. However, UnixWare can not handle
7287 that case. Therefore, we override the DT_RELASZ entry
7288 here to make it not include the JMPREL relocs. Since
7289 the linker script arranges for .rela.plt to follow all
7290 other relocation sections, we don't have to worry
7291 about changing the DT_RELA entry. */
067653c5 7292 if (htab->srelplt != NULL)
37c644f2 7293 {
067653c5 7294 s = htab->srelplt->output_section;
eea6121a 7295 dyn.d_un.d_val -= s->size;
37c644f2
AO
7296 }
7297 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7298 break;
7299 }
7300 }
7301
7302 /* Fill in the first entry in the procedure linkage table. */
067653c5 7303 splt = htab->splt;
55e6e397 7304 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 7305 {
55e6e397
RS
7306 unsigned int i;
7307
7308 memcpy (splt->contents,
7309 htab->plt_info->plt0_entry,
7310 htab->plt_info->plt0_entry_size);
7311 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
7312 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
7313 install_plt_field (output_bfd, FALSE,
8e45593f
NC
7314 (sgotplt->output_section->vma
7315 + sgotplt->output_offset
55e6e397
RS
7316 + (i * 4)),
7317 (splt->contents
7318 + htab->plt_info->plt0_got_fields[i]));
7319
7320 if (htab->vxworks_p)
37c644f2 7321 {
55e6e397
RS
7322 /* Finalize the .rela.plt.unloaded contents. */
7323 Elf_Internal_Rela rel;
7324 bfd_byte *loc;
7325
7326 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
7327 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
7328 loc = htab->srelplt2->contents;
7329 rel.r_offset = (splt->output_section->vma
7330 + splt->output_offset
7331 + htab->plt_info->plt0_got_fields[2]);
7332 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
7333 rel.r_addend = 8;
7334 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7335 loc += sizeof (Elf32_External_Rela);
7336
7337 /* Fix up the remaining .rela.plt.unloaded relocations.
7338 They may have the wrong symbol index for _G_O_T_ or
7339 _P_L_T_ depending on the order in which symbols were
7340 output. */
7341 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 7342 {
55e6e397
RS
7343 /* The PLT entry's pointer to the .got.plt slot. */
7344 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7345 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
7346 R_SH_DIR32);
7347 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7348 loc += sizeof (Elf32_External_Rela);
7349
7350 /* The .got.plt slot's pointer to .plt. */
7351 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7352 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
7353 R_SH_DIR32);
7354 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7355 loc += sizeof (Elf32_External_Rela);
37c644f2 7356 }
37c644f2
AO
7357 }
7358
7359 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7360 really seem like the right value. */
7361 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7362 }
7363 }
7364
7365 /* Fill in the first three entries in the global offset table. */
8e45593f 7366 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
37c644f2
AO
7367 {
7368 if (sdyn == NULL)
8e45593f 7369 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
37c644f2
AO
7370 else
7371 bfd_put_32 (output_bfd,
7372 sdyn->output_section->vma + sdyn->output_offset,
8e45593f
NC
7373 sgotplt->contents);
7374 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
7375 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
7376 }
37c644f2 7377
8e45593f
NC
7378 if (sgotplt && sgotplt->size > 0)
7379 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
7380
7381 /* At the very end of the .rofixup section is a pointer to the GOT. */
7382 if (htab->fdpic_p && htab->srofixup != NULL)
7383 {
7384 struct elf_link_hash_entry *hgot = htab->root.hgot;
7385 bfd_vma got_value = hgot->root.u.def.value
7386 + hgot->root.u.def.section->output_section->vma
7387 + hgot->root.u.def.section->output_offset;
7388
7389 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
7390
7391 /* Make sure we allocated and generated the same number of fixups. */
7392 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
067653c5 7393 }
37c644f2 7394
8e45593f
NC
7395 if (htab->srelfuncdesc)
7396 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
7397 == htab->srelfuncdesc->size);
7398
7399 if (htab->srelgot)
7400 BFD_ASSERT (htab->srelgot->reloc_count * sizeof (Elf32_External_Rela)
7401 == htab->srelgot->size);
7402
b34976b6 7403 return TRUE;
37c644f2
AO
7404}
7405
99e4ae17 7406static enum elf_reloc_type_class
09fd220b 7407sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
99e4ae17 7408{
f51e552e 7409 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
7410 {
7411 case R_SH_RELATIVE:
7412 return reloc_class_relative;
7413 case R_SH_JMP_SLOT:
7414 return reloc_class_plt;
7415 case R_SH_COPY:
7416 return reloc_class_copy;
7417 default:
7418 return reloc_class_normal;
7419 }
7420}
7421
85fbca6a 7422#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 7423/* Support for Linux core dump NOTE sections. */
85fbca6a 7424
b34976b6 7425static bfd_boolean
09fd220b 7426elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7427{
7428 int offset;
eea6121a 7429 unsigned int size;
2bc3c89a
AM
7430
7431 switch (note->descsz)
7432 {
7433 default:
b34976b6 7434 return FALSE;
2bc3c89a
AM
7435
7436 case 168: /* Linux/SH */
7437 /* pr_cursig */
7438 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
7439
7440 /* pr_pid */
7441 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
7442
7443 /* pr_reg */
7444 offset = 72;
eea6121a 7445 size = 92;
2bc3c89a
AM
7446
7447 break;
7448 }
7449
7450 /* Make a ".reg/999" section. */
7451 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 7452 size, note->descpos + offset);
2bc3c89a
AM
7453}
7454
b34976b6 7455static bfd_boolean
09fd220b 7456elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7457{
7458 switch (note->descsz)
7459 {
7460 default:
b34976b6 7461 return FALSE;
2bc3c89a
AM
7462
7463 case 124: /* Linux/SH elf_prpsinfo */
7464 elf_tdata (abfd)->core_program
7465 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7466 elf_tdata (abfd)->core_command
7467 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7468 }
7469
7470 /* Note that for some reason, a spurious space is tacked
7471 onto the end of the args in some (at least one anyway)
7472 implementations, so strip it off if it exists. */
7473
7474 {
7475 char *command = elf_tdata (abfd)->core_command;
7476 int n = strlen (command);
7477
7478 if (0 < n && command[n - 1] == ' ')
7479 command[n - 1] = '\0';
7480 }
7481
b34976b6 7482 return TRUE;
2bc3c89a 7483}
85fbca6a 7484#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 7485
1f1799d5
KK
7486
7487/* Return address for Ith PLT stub in section PLT, for relocation REL
7488 or (bfd_vma) -1 if it should not be included. */
7489
7490static bfd_vma
7491sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7492 const arelent *rel ATTRIBUTE_UNUSED)
7493{
55e6e397
RS
7494 const struct elf_sh_plt_info *plt_info;
7495
7496 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
7497 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
7498}
7499
8e45593f
NC
7500/* Decide whether to attempt to turn absptr or lsda encodings in
7501 shared libraries into pcrel within the given input section. */
7502
7503static bfd_boolean
7504sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
7505 struct bfd_link_info *info,
7506 asection *eh_frame_section ATTRIBUTE_UNUSED)
7507{
7508 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7509
7510 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
7511 if (htab->fdpic_p)
7512 return FALSE;
7513
7514 return TRUE;
7515}
7516
7517/* Adjust the contents of an eh_frame_hdr section before they're output. */
7518
7519static bfd_byte
7520sh_elf_encode_eh_address (bfd *abfd,
7521 struct bfd_link_info *info,
7522 asection *osec, bfd_vma offset,
7523 asection *loc_sec, bfd_vma loc_offset,
7524 bfd_vma *encoded)
7525{
7526 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7527 struct elf_link_hash_entry *h;
7528
7529 if (!htab->fdpic_p)
7530 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
7531 loc_offset, encoded);
7532
7533 h = htab->root.hgot;
7534 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
7535
7536 if (! h || (sh_elf_osec_to_segment (abfd, osec)
7537 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
7538 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
7539 loc_sec, loc_offset, encoded);
7540
7541 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
7542 == (sh_elf_osec_to_segment
7543 (abfd, h->root.u.def.section->output_section)));
7544
7545 *encoded = osec->vma + offset
7546 - (h->root.u.def.value
7547 + h->root.u.def.section->output_section->vma
7548 + h->root.u.def.section->output_offset);
7549
7550 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
7551}
7552
85fbca6a 7553#if !defined SH_TARGET_ALREADY_DEFINED
252b5132
RH
7554#define TARGET_BIG_SYM bfd_elf32_sh_vec
7555#define TARGET_BIG_NAME "elf32-sh"
7556#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
7557#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
7558#endif
7559
252b5132
RH
7560#define ELF_ARCH bfd_arch_sh
7561#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
7562#ifdef __QNXTARGET__
7563#define ELF_MAXPAGESIZE 0x1000
7564#else
7565#define ELF_MAXPAGESIZE 0x80
7566#endif
252b5132
RH
7567
7568#define elf_symbol_leading_char '_'
7569
7570#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
7571#define bfd_elf32_bfd_reloc_name_lookup \
7572 sh_elf_reloc_name_lookup
252b5132
RH
7573#define elf_info_to_howto sh_elf_info_to_howto
7574#define bfd_elf32_bfd_relax_section sh_elf_relax_section
7575#define elf_backend_relocate_section sh_elf_relocate_section
7576#define bfd_elf32_bfd_get_relocated_section_contents \
7577 sh_elf_get_relocated_section_contents
3376eaf5
KK
7578#define bfd_elf32_mkobject sh_elf_mkobject
7579#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
7580#define bfd_elf32_bfd_set_private_bfd_flags \
7581 sh_elf_set_private_flags
7582#define bfd_elf32_bfd_copy_private_bfd_data \
7583 sh_elf_copy_private_data
875f7f69 7584#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 7585 sh_elf_merge_private_data
252b5132 7586
067653c5
AM
7587#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7588#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7589#define elf_backend_check_relocs sh_elf_check_relocs
7590#define elf_backend_copy_indirect_symbol \
7591 sh_elf_copy_indirect_symbol
37c644f2
AO
7592#define elf_backend_create_dynamic_sections \
7593 sh_elf_create_dynamic_sections
7594#define bfd_elf32_bfd_link_hash_table_create \
7595 sh_elf_link_hash_table_create
7596#define elf_backend_adjust_dynamic_symbol \
7597 sh_elf_adjust_dynamic_symbol
55e6e397
RS
7598#define elf_backend_always_size_sections \
7599 sh_elf_always_size_sections
37c644f2
AO
7600#define elf_backend_size_dynamic_sections \
7601 sh_elf_size_dynamic_sections
8e45593f 7602#define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
37c644f2
AO
7603#define elf_backend_finish_dynamic_symbol \
7604 sh_elf_finish_dynamic_symbol
7605#define elf_backend_finish_dynamic_sections \
7606 sh_elf_finish_dynamic_sections
99e4ae17 7607#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 7608#define elf_backend_plt_sym_val sh_elf_plt_sym_val
8e45593f
NC
7609#define elf_backend_can_make_relative_eh_frame \
7610 sh_elf_use_relative_eh_frame
7611#define elf_backend_can_make_lsda_relative_eh_frame \
7612 sh_elf_use_relative_eh_frame
7613#define elf_backend_encode_eh_address \
7614 sh_elf_encode_eh_address
37c644f2 7615
067653c5
AM
7616#define elf_backend_can_gc_sections 1
7617#define elf_backend_can_refcount 1
37c644f2
AO
7618#define elf_backend_want_got_plt 1
7619#define elf_backend_plt_readonly 1
7620#define elf_backend_want_plt_sym 0
7621#define elf_backend_got_header_size 12
ed71e111 7622
85fbca6a 7623#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 7624
252b5132 7625#include "elf32-target.h"
ed71e111 7626
2bc3c89a
AM
7627/* NetBSD support. */
7628#undef TARGET_BIG_SYM
7629#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
7630#undef TARGET_BIG_NAME
7631#define TARGET_BIG_NAME "elf32-sh-nbsd"
7632#undef TARGET_LITTLE_SYM
7633#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
7634#undef TARGET_LITTLE_NAME
7635#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7636#undef ELF_MAXPAGESIZE
7637#define ELF_MAXPAGESIZE 0x10000
24718e3b 7638#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
7639#undef elf_symbol_leading_char
7640#define elf_symbol_leading_char 0
571fe01f 7641#undef elf32_bed
2bc3c89a
AM
7642#define elf32_bed elf32_sh_nbsd_bed
7643
7644#include "elf32-target.h"
7645
2bc3c89a
AM
7646
7647/* Linux support. */
7648#undef TARGET_BIG_SYM
7649#define TARGET_BIG_SYM bfd_elf32_shblin_vec
7650#undef TARGET_BIG_NAME
7651#define TARGET_BIG_NAME "elf32-shbig-linux"
7652#undef TARGET_LITTLE_SYM
7653#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
7654#undef TARGET_LITTLE_NAME
7655#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
7656#undef ELF_COMMONPAGESIZE
7657#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
7658
7659#undef elf_backend_grok_prstatus
7660#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7661#undef elf_backend_grok_psinfo
7662#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 7663#undef elf32_bed
2bc3c89a
AM
7664#define elf32_bed elf32_sh_lin_bed
7665
7666#include "elf32-target.h"
7667
8e45593f
NC
7668
7669/* FDPIC support. */
7670#undef TARGET_BIG_SYM
7671#define TARGET_BIG_SYM bfd_elf32_shbfd_vec
7672#undef TARGET_BIG_NAME
7673#define TARGET_BIG_NAME "elf32-shbig-fdpic"
7674#undef TARGET_LITTLE_SYM
7675#define TARGET_LITTLE_SYM bfd_elf32_shfd_vec
7676#undef TARGET_LITTLE_NAME
7677#define TARGET_LITTLE_NAME "elf32-sh-fdpic"
7678#undef elf_backend_modify_program_headers
7679#define elf_backend_modify_program_headers \
7680 sh_elf_modify_program_headers
7681
7682#undef elf32_bed
7683#define elf32_bed elf32_sh_fd_bed
7684
7685#include "elf32-target.h"
7686
7687#undef elf_backend_modify_program_headers
7688
7689/* VxWorks support. */
55e6e397
RS
7690#undef TARGET_BIG_SYM
7691#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
7692#undef TARGET_BIG_NAME
7693#define TARGET_BIG_NAME "elf32-sh-vxworks"
7694#undef TARGET_LITTLE_SYM
7695#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
7696#undef TARGET_LITTLE_NAME
7697#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
7698#undef elf32_bed
7699#define elf32_bed elf32_sh_vxworks_bed
7700
7701#undef elf_backend_want_plt_sym
7702#define elf_backend_want_plt_sym 1
7703#undef elf_symbol_leading_char
7704#define elf_symbol_leading_char '_'
7705#define elf_backend_want_got_underscore 1
7706#undef elf_backend_grok_prstatus
7707#undef elf_backend_grok_psinfo
7708#undef elf_backend_add_symbol_hook
7709#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
7710#undef elf_backend_link_output_symbol_hook
7711#define elf_backend_link_output_symbol_hook \
7712 elf_vxworks_link_output_symbol_hook
7713#undef elf_backend_emit_relocs
7714#define elf_backend_emit_relocs elf_vxworks_emit_relocs
7715#undef elf_backend_final_write_processing
7716#define elf_backend_final_write_processing \
7717 elf_vxworks_final_write_processing
7718#undef ELF_MAXPAGESIZE
7719#define ELF_MAXPAGESIZE 0x1000
7720#undef ELF_COMMONPAGESIZE
7721
7722#include "elf32-target.h"
7723
85fbca6a 7724#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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