gdb/
[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,
3d301fdc
AM
3 2006, 2007, 2008, 2009, 2010, 2011, 2012
4 Free Software Foundation, Inc.
252b5132
RH
5 Contributed by Ian Lance Taylor, Cygnus Support.
6
571fe01f 7 This file is part of BFD, the Binary File Descriptor library.
252b5132 8
571fe01f
NC
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
cd123cb7 11 the Free Software Foundation; either version 3 of the License, or
571fe01f 12 (at your option) any later version.
252b5132 13
571fe01f
NC
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
252b5132 18
571fe01f
NC
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
cd123cb7
NC
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
252b5132 23
252b5132 24#include "sysdep.h"
3db64b00 25#include "bfd.h"
252b5132
RH
26#include "bfdlink.h"
27#include "libbfd.h"
28#include "elf-bfd.h"
55e6e397 29#include "elf-vxworks.h"
252b5132 30#include "elf/sh.h"
8e45593f 31#include "dwarf2.h"
f6f9408f 32#include "libiberty.h"
871ec896 33#include "../opcodes/sh-opc.h"
252b5132
RH
34
35static bfd_reloc_status_type sh_elf_reloc
09fd220b 36 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
252b5132 37static bfd_reloc_status_type sh_elf_ignore_reloc
09fd220b 38 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
b34976b6 39static bfd_boolean sh_elf_relax_delete_bytes
09fd220b 40 (bfd *, asection *, bfd_vma, int);
b34976b6 41static bfd_boolean sh_elf_align_loads
09fd220b 42 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
85fbca6a 43#ifndef SH64_ELF
b34976b6 44static bfd_boolean sh_elf_swap_insns
09fd220b 45 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
85fbca6a 46#endif
3376eaf5 47static int sh_elf_optimized_tls_reloc
09fd220b 48 (struct bfd_link_info *, int, int);
3376eaf5 49static bfd_vma dtpoff_base
09fd220b 50 (struct bfd_link_info *);
267fb3c1 51static bfd_vma tpoff
09fd220b 52 (struct bfd_link_info *, bfd_vma);
37c644f2
AO
53
54/* The name of the dynamic interpreter. This is put in the .interp
55 section. */
56
57#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
252b5132 58
8e45593f
NC
59/* FDPIC binaries have a default 128K stack. */
60#define DEFAULT_STACK_SIZE 0x20000
61
55e6e397 62#define MINUS_ONE ((bfd_vma) 0 - 1)
8e45593f
NC
63
64/* Decide whether a reference to a symbol can be resolved locally or
65 not. If the symbol is protected, we want the local address, but
66 its function descriptor must be assigned by the dynamic linker. */
67#define SYMBOL_FUNCDESC_LOCAL(INFO, H) \
68 (SYMBOL_REFERENCES_LOCAL (INFO, H) \
69 || ! elf_hash_table (INFO)->dynamic_sections_created)
55e6e397
RS
70\f
71#define SH_PARTIAL32 TRUE
72#define SH_SRC_MASK32 0xffffffff
73#define SH_ELF_RELOC sh_elf_reloc
38b1a46c
NC
74static reloc_howto_type sh_elf_howto_table[] =
75{
55e6e397
RS
76#include "elf32-sh-relocs.h"
77};
fbca6ad9 78
55e6e397
RS
79#define SH_PARTIAL32 FALSE
80#define SH_SRC_MASK32 0
81#define SH_ELF_RELOC bfd_elf_generic_reloc
82static reloc_howto_type sh_vxworks_howto_table[] =
83{
84#include "elf32-sh-relocs.h"
85};
86\f
87/* Return true if OUTPUT_BFD is a VxWorks object. */
fbca6ad9 88
55e6e397 89static bfd_boolean
527a23b8 90vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
55e6e397 91{
527a23b8 92#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
55e6e397
RS
93 extern const bfd_target bfd_elf32_shlvxworks_vec;
94 extern const bfd_target bfd_elf32_shvxworks_vec;
fbca6ad9 95
55e6e397
RS
96 return (abfd->xvec == &bfd_elf32_shlvxworks_vec
97 || abfd->xvec == &bfd_elf32_shvxworks_vec);
527a23b8
NC
98#else
99 return FALSE;
100#endif
55e6e397 101}
fbca6ad9 102
8e45593f
NC
103/* Return true if OUTPUT_BFD is an FDPIC object. */
104
105static bfd_boolean
106fdpic_object_p (bfd *abfd ATTRIBUTE_UNUSED)
107{
108#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
109 extern const bfd_target bfd_elf32_shfd_vec;
110 extern const bfd_target bfd_elf32_shbfd_vec;
111
112 return (abfd->xvec == &bfd_elf32_shfd_vec
113 || abfd->xvec == &bfd_elf32_shbfd_vec);
114#else
115 return FALSE;
116#endif
117}
118
55e6e397 119/* Return the howto table for ABFD. */
fbca6ad9 120
55e6e397
RS
121static reloc_howto_type *
122get_howto_table (bfd *abfd)
123{
124 if (vxworks_object_p (abfd))
125 return sh_vxworks_howto_table;
126 return sh_elf_howto_table;
127}
252b5132 128
015551fc 129static bfd_reloc_status_type
09fd220b
KK
130sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
131 asection *input_section, bfd_byte *contents,
132 bfd_vma addr, asection *symbol_section,
133 bfd_vma start, bfd_vma end)
015551fc
JR
134{
135 static bfd_vma last_addr;
00fdaf47 136 static asection *last_symbol_section;
015551fc
JR
137 bfd_byte *start_ptr, *ptr, *last_ptr;
138 int diff, cum_diff;
139 bfd_signed_vma x;
140 int insn;
141
142 /* Sanity check the address. */
07515404 143 if (addr > bfd_get_section_limit (input_bfd, input_section))
015551fc
JR
144 return bfd_reloc_outofrange;
145
146 /* We require the start and end relocations to be processed consecutively -
147 although we allow then to be processed forwards or backwards. */
148 if (! last_addr)
149 {
150 last_addr = addr;
151 last_symbol_section = symbol_section;
152 return bfd_reloc_ok;
153 }
154 if (last_addr != addr)
155 abort ();
156 last_addr = 0;
157
158 if (! symbol_section || last_symbol_section != symbol_section || end < start)
159 return bfd_reloc_outofrange;
160
161 /* Get the symbol_section contents. */
162 if (symbol_section != input_section)
163 {
164 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
165 contents = elf_section_data (symbol_section)->this_hdr.contents;
166 else
167 {
eea6121a
AM
168 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
169 &contents))
015551fc 170 {
eea6121a
AM
171 if (contents != NULL)
172 free (contents);
015551fc
JR
173 return bfd_reloc_outofrange;
174 }
175 }
176 }
177#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
178 start_ptr = contents + start;
179 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
180 {
181 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
182 ptr -= 2;
183 ptr += 2;
61ff1804 184 diff = (last_ptr - ptr) >> 1;
015551fc
JR
185 cum_diff += diff & 1;
186 cum_diff += diff;
187 }
188 /* Calculate the start / end values to load into rs / re minus four -
189 so that will cancel out the four we would otherwise have to add to
190 addr to get the value to subtract in order to get relative addressing. */
191 if (cum_diff >= 0)
192 {
193 start -= 4;
194 end = (ptr + cum_diff * 2) - contents;
195 }
196 else
197 {
198 bfd_vma start0 = start - 4;
199
a0fc8ba1 200 while (start0 && IS_PPI (contents + start0))
015551fc
JR
201 start0 -= 2;
202 start0 = start - 2 - ((start - start0) & 2);
203 start = start0 - cum_diff - 2;
204 end = start0;
205 }
206
6cdc0ccc
AM
207 if (contents != NULL
208 && elf_section_data (symbol_section)->this_hdr.contents != contents)
209 free (contents);
015551fc
JR
210
211 insn = bfd_get_16 (input_bfd, contents + addr);
212
213 x = (insn & 0x200 ? end : start) - addr;
214 if (input_section != symbol_section)
215 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
216 - (input_section->output_section->vma
217 + input_section->output_offset));
218 x >>= 1;
219 if (x < -128 || x > 127)
220 return bfd_reloc_overflow;
221
61ff1804 222 x = (insn & ~0xff) | (x & 0xff);
dc810e39 223 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
015551fc
JR
224
225 return bfd_reloc_ok;
226}
227
228/* This function is used for normal relocs. This used to be like the COFF
252b5132
RH
229 function, and is almost certainly incorrect for other ELF targets. */
230
231static bfd_reloc_status_type
09fd220b
KK
232sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
233 void *data, asection *input_section, bfd *output_bfd,
234 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
235{
236 unsigned long insn;
237 bfd_vma sym_value;
238 enum elf_sh_reloc_type r_type;
239 bfd_vma addr = reloc_entry->address;
240 bfd_byte *hit_data = addr + (bfd_byte *) data;
241
242 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
243
244 if (output_bfd != NULL)
245 {
246 /* Partial linking--do nothing. */
247 reloc_entry->address += input_section->output_offset;
248 return bfd_reloc_ok;
249 }
250
251 /* Almost all relocs have to do with relaxing. If any work must be
252 done for them, it has been done in sh_relax_section. */
015551fc 253 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
252b5132
RH
254 return bfd_reloc_ok;
255
256 if (symbol_in != NULL
257 && bfd_is_und_section (symbol_in->section))
258 return bfd_reloc_undefined;
259
260 if (bfd_is_com_section (symbol_in->section))
435b1e90
KH
261 sym_value = 0;
262 else
252b5132
RH
263 sym_value = (symbol_in->value +
264 symbol_in->section->output_section->vma +
265 symbol_in->section->output_offset);
266
267 switch (r_type)
268 {
269 case R_SH_DIR32:
270 insn = bfd_get_32 (abfd, hit_data);
271 insn += sym_value + reloc_entry->addend;
dc810e39 272 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
273 break;
274 case R_SH_IND12W:
275 insn = bfd_get_16 (abfd, hit_data);
276 sym_value += reloc_entry->addend;
277 sym_value -= (input_section->output_section->vma
278 + input_section->output_offset
279 + addr
280 + 4);
281 sym_value += (insn & 0xfff) << 1;
282 if (insn & 0x800)
283 sym_value -= 0x1000;
284 insn = (insn & 0xf000) | (sym_value & 0xfff);
dc810e39 285 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
286 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
287 return bfd_reloc_overflow;
288 break;
289 default:
290 abort ();
291 break;
292 }
293
294 return bfd_reloc_ok;
295}
296
297/* This function is used for relocs which are only used for relaxing,
298 which the linker should otherwise ignore. */
299
300static bfd_reloc_status_type
09fd220b
KK
301sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
302 asymbol *symbol ATTRIBUTE_UNUSED,
303 void *data ATTRIBUTE_UNUSED, asection *input_section,
304 bfd *output_bfd,
305 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
306{
307 if (output_bfd != NULL)
308 reloc_entry->address += input_section->output_offset;
309 return bfd_reloc_ok;
310}
311
312/* This structure is used to map BFD reloc codes to SH ELF relocs. */
313
38b1a46c
NC
314struct elf_reloc_map
315{
252b5132
RH
316 bfd_reloc_code_real_type bfd_reloc_val;
317 unsigned char elf_reloc_val;
318};
319
320/* An array mapping BFD reloc codes to SH ELF relocs. */
321
38b1a46c
NC
322static const struct elf_reloc_map sh_reloc_map[] =
323{
252b5132
RH
324 { BFD_RELOC_NONE, R_SH_NONE },
325 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
326 { BFD_RELOC_16, R_SH_DIR16 },
327 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
328 { BFD_RELOC_CTOR, R_SH_DIR32 },
329 { BFD_RELOC_32_PCREL, R_SH_REL32 },
330 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
331 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
332 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
333 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
334 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
335 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
336 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
337 { BFD_RELOC_SH_USES, R_SH_USES },
338 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
339 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
340 { BFD_RELOC_SH_CODE, R_SH_CODE },
341 { BFD_RELOC_SH_DATA, R_SH_DATA },
342 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
343 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
344 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
345 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
346 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
347 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
348 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
349 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
350 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
351 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
352 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
353 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
354 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
355 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
356 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
357 { BFD_RELOC_SH_COPY, R_SH_COPY },
358 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
359 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
360 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
361 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
362 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9 363 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
8e45593f
NC
364 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
365 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
366 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
367 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
368 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
369 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
370 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
fbca6ad9
AO
371#ifdef INCLUDE_SHMEDIA
372 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
373 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
374 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
375 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
376 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
377 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
378 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
379 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
380 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
381 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
382 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
383 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
384 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
385 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
386 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
387 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
388 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
389 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
390 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
391 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
392 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
393 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
394 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
395 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
396 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
397 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
398 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
399 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
400 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
401 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
402 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
403 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
404 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
405 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
406 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
407 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
408 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
409 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
410 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
411 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
412 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
413 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
414 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
415 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
416 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
417 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
418 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
419 { BFD_RELOC_64, R_SH_64 },
420 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
421#endif /* not INCLUDE_SHMEDIA */
252b5132
RH
422};
423
424/* Given a BFD reloc code, return the howto structure for the
55e6e397 425 corresponding SH ELF reloc. */
252b5132
RH
426
427static reloc_howto_type *
55e6e397 428sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
429{
430 unsigned int i;
431
432 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
433 {
434 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 435 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
436 }
437
438 return NULL;
439}
440
157090f7
AM
441static reloc_howto_type *
442sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
443{
444 unsigned int i;
445
446 if (vxworks_object_p (abfd))
447 {
448 for (i = 0;
449 i < (sizeof (sh_vxworks_howto_table)
450 / sizeof (sh_vxworks_howto_table[0]));
451 i++)
452 if (sh_vxworks_howto_table[i].name != NULL
453 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
454 return &sh_vxworks_howto_table[i];
455 }
456 else
457 {
458 for (i = 0;
459 i < (sizeof (sh_elf_howto_table)
460 / sizeof (sh_elf_howto_table[0]));
461 i++)
462 if (sh_elf_howto_table[i].name != NULL
463 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
464 return &sh_elf_howto_table[i];
465 }
466
467 return NULL;
468}
469
252b5132
RH
470/* Given an ELF reloc, fill in the howto field of a relent. */
471
472static void
55e6e397 473sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
474{
475 unsigned int r;
476
477 r = ELF32_R_TYPE (dst->r_info);
478
479 BFD_ASSERT (r < (unsigned int) R_SH_max);
480 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
06bb75c1 481 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
fbca6ad9
AO
482 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
483 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
3376eaf5 484 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
8e45593f 485 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_6 || r > R_SH_LAST_INVALID_RELOC_6);
252b5132 486
55e6e397 487 cache_ptr->howto = get_howto_table (abfd) + r;
252b5132
RH
488}
489\f
490/* This function handles relaxing for SH ELF. See the corresponding
491 function in coff-sh.c for a description of what this does. FIXME:
492 There is a lot of duplication here between this code and the COFF
493 specific code. The format of relocs and symbols is wound deeply
494 into this code, but it would still be better if the duplication
495 could be eliminated somehow. Note in particular that although both
496 functions use symbols like R_SH_CODE, those symbols have different
497 values; in coff-sh.c they come from include/coff/sh.h, whereas here
498 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
499
b34976b6 500static bfd_boolean
09fd220b
KK
501sh_elf_relax_section (bfd *abfd, asection *sec,
502 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
503{
504 Elf_Internal_Shdr *symtab_hdr;
505 Elf_Internal_Rela *internal_relocs;
b34976b6 506 bfd_boolean have_code;
252b5132
RH
507 Elf_Internal_Rela *irel, *irelend;
508 bfd_byte *contents = NULL;
6cdc0ccc 509 Elf_Internal_Sym *isymbuf = NULL;
252b5132 510
b34976b6 511 *again = FALSE;
252b5132 512
1049f94e 513 if (link_info->relocatable
252b5132
RH
514 || (sec->flags & SEC_RELOC) == 0
515 || sec->reloc_count == 0)
b34976b6 516 return TRUE;
252b5132 517
fbca6ad9
AO
518#ifdef INCLUDE_SHMEDIA
519 if (elf_section_data (sec)->this_hdr.sh_flags
520 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
521 {
b34976b6 522 return TRUE;
fbca6ad9
AO
523 }
524#endif
525
0ffa91dd 526 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 527
45d6a902 528 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 529 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
530 link_info->keep_memory));
531 if (internal_relocs == NULL)
532 goto error_return;
252b5132 533
b34976b6 534 have_code = FALSE;
252b5132
RH
535
536 irelend = internal_relocs + sec->reloc_count;
537 for (irel = internal_relocs; irel < irelend; irel++)
538 {
539 bfd_vma laddr, paddr, symval;
540 unsigned short insn;
541 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
542 bfd_signed_vma foff;
543
544 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 545 have_code = TRUE;
252b5132
RH
546
547 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
548 continue;
549
550 /* Get the section contents. */
551 if (contents == NULL)
552 {
553 if (elf_section_data (sec)->this_hdr.contents != NULL)
554 contents = elf_section_data (sec)->this_hdr.contents;
555 else
556 {
eea6121a 557 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
558 goto error_return;
559 }
560 }
561
562 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
563 the register load. The 4 is because the r_addend field is
564 computed as though it were a jump offset, which are based
565 from 4 bytes after the jump instruction. */
252b5132 566 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 567 if (laddr >= sec->size)
252b5132 568 {
d003868e
AM
569 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
570 abfd,
252b5132
RH
571 (unsigned long) irel->r_offset);
572 continue;
573 }
574 insn = bfd_get_16 (abfd, contents + laddr);
575
576 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 577 do. */
252b5132
RH
578 if ((insn & 0xf000) != 0xd000)
579 {
580 ((*_bfd_error_handler)
d003868e
AM
581 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
582 abfd, (unsigned long) irel->r_offset, insn));
252b5132
RH
583 continue;
584 }
585
586 /* Get the address from which the register is being loaded. The
99e4ae17
AJ
587 displacement in the mov.l instruction is quadrupled. It is a
588 displacement from four bytes after the movl instruction, but,
589 before adding in the PC address, two least significant bits
590 of the PC are cleared. We assume that the section is aligned
591 on a four byte boundary. */
252b5132
RH
592 paddr = insn & 0xff;
593 paddr *= 4;
dc810e39 594 paddr += (laddr + 4) &~ (bfd_vma) 3;
eea6121a 595 if (paddr >= sec->size)
252b5132
RH
596 {
597 ((*_bfd_error_handler)
d003868e
AM
598 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
599 abfd, (unsigned long) irel->r_offset));
252b5132
RH
600 continue;
601 }
602
603 /* Get the reloc for the address from which the register is
067653c5
AM
604 being loaded. This reloc will tell us which function is
605 actually being called. */
252b5132
RH
606 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
607 if (irelfn->r_offset == paddr
608 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
609 break;
610 if (irelfn >= irelend)
611 {
612 ((*_bfd_error_handler)
d003868e
AM
613 (_("%B: 0x%lx: warning: could not find expected reloc"),
614 abfd, (unsigned long) paddr));
252b5132
RH
615 continue;
616 }
617
618 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 619 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 620 {
6cdc0ccc
AM
621 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
622 if (isymbuf == NULL)
623 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
624 symtab_hdr->sh_info, 0,
625 NULL, NULL, NULL);
626 if (isymbuf == NULL)
627 goto error_return;
252b5132
RH
628 }
629
630 /* Get the value of the symbol referred to by the reloc. */
631 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
632 {
9ad5cbcf 633 /* A local symbol. */
6cdc0ccc 634 Elf_Internal_Sym *isym;
252b5132 635
6cdc0ccc
AM
636 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
637 if (isym->st_shndx
d426c6b0 638 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132
RH
639 {
640 ((*_bfd_error_handler)
d003868e
AM
641 (_("%B: 0x%lx: warning: symbol in unexpected section"),
642 abfd, (unsigned long) paddr));
252b5132
RH
643 continue;
644 }
645
6cdc0ccc 646 symval = (isym->st_value
252b5132
RH
647 + sec->output_section->vma
648 + sec->output_offset);
649 }
650 else
651 {
652 unsigned long indx;
653 struct elf_link_hash_entry *h;
654
655 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
656 h = elf_sym_hashes (abfd)[indx];
657 BFD_ASSERT (h != NULL);
658 if (h->root.type != bfd_link_hash_defined
659 && h->root.type != bfd_link_hash_defweak)
660 {
661 /* This appears to be a reference to an undefined
067653c5
AM
662 symbol. Just ignore it--it will be caught by the
663 regular reloc processing. */
252b5132
RH
664 continue;
665 }
666
667 symval = (h->root.u.def.value
668 + h->root.u.def.section->output_section->vma
669 + h->root.u.def.section->output_offset);
670 }
671
55e6e397
RS
672 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
673 symval += bfd_get_32 (abfd, contents + paddr);
674 else
675 symval += irelfn->r_addend;
252b5132
RH
676
677 /* See if this function call can be shortened. */
678 foff = (symval
679 - (irel->r_offset
680 + sec->output_section->vma
681 + sec->output_offset
682 + 4));
f725025b
DD
683 /* A branch to an address beyond ours might be increased by an
684 .align that doesn't move when bytes behind us are deleted.
685 So, we add some slop in this calculation to allow for
686 that. */
687 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
688 {
689 /* After all that work, we can't shorten this function call. */
690 continue;
691 }
692
693 /* Shorten the function call. */
694
695 /* For simplicity of coding, we are going to modify the section
696 contents, the section relocs, and the BFD symbol table. We
697 must tell the rest of the code not to free up this
698 information. It would be possible to instead create a table
699 of changes which have to be made, as is done in coff-mips.c;
700 that would be more work, but would require less memory when
701 the linker is run. */
702
703 elf_section_data (sec)->relocs = internal_relocs;
252b5132 704 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 705 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
706
707 /* Replace the jsr with a bsr. */
708
709 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
067653c5 710 replace the jsr with a bsr. */
252b5132 711 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
712 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
713 here, but that only checks if the symbol is an external symbol,
714 not if the symbol is in a different section. Besides, we need
715 a consistent meaning for the relocation, so we just assume here that
716 the value of the symbol is not available. */
0e71e495
BE
717
718 /* We can't fully resolve this yet, because the external
719 symbol value may be changed by future relaxing. We let
720 the final link phase handle it. */
721 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
722
bdfaef52 723 irel->r_addend = -4;
252b5132 724
f725025b
DD
725 /* When we calculated the symbol "value" we had an offset in the
726 DIR32's word in memory (we read and add it above). However,
727 the jsr we create does NOT have this offset encoded, so we
728 have to add it to the addend to preserve it. */
729 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
730
252b5132 731 /* See if there is another R_SH_USES reloc referring to the same
067653c5 732 register load. */
252b5132
RH
733 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
734 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
735 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
736 break;
737 if (irelscan < irelend)
738 {
739 /* Some other function call depends upon this register load,
740 and we have not yet converted that function call.
741 Indeed, we may never be able to convert it. There is
742 nothing else we can do at this point. */
743 continue;
744 }
745
746 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
747 function address is stored. Do this before deleting any
748 bytes, to avoid confusion about the address. */
252b5132
RH
749 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
750 if (irelcount->r_offset == paddr
751 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
752 break;
753
754 /* Delete the register load. */
755 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
756 goto error_return;
757
758 /* That will change things, so, just in case it permits some
067653c5
AM
759 other function call to come within range, we should relax
760 again. Note that this is not required, and it may be slow. */
b34976b6 761 *again = TRUE;
252b5132
RH
762
763 /* Now check whether we got a COUNT reloc. */
764 if (irelcount >= irelend)
765 {
766 ((*_bfd_error_handler)
d003868e
AM
767 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
768 abfd, (unsigned long) paddr));
252b5132
RH
769 continue;
770 }
771
772 /* The number of uses is stored in the r_addend field. We've
067653c5 773 just deleted one. */
252b5132
RH
774 if (irelcount->r_addend == 0)
775 {
d003868e
AM
776 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
777 abfd,
252b5132
RH
778 (unsigned long) paddr));
779 continue;
780 }
781
782 --irelcount->r_addend;
783
784 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
785 the address from irelfn, in case it was changed by the
786 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
787 if (irelcount->r_addend == 0)
788 {
789 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
790 goto error_return;
791 }
792
793 /* We've done all we can with that function call. */
794 }
795
796 /* Look for load and store instructions that we can align on four
797 byte boundaries. */
bdfaef52
JR
798 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
799 && have_code)
252b5132 800 {
b34976b6 801 bfd_boolean swapped;
252b5132
RH
802
803 /* Get the section contents. */
804 if (contents == NULL)
805 {
806 if (elf_section_data (sec)->this_hdr.contents != NULL)
807 contents = elf_section_data (sec)->this_hdr.contents;
808 else
809 {
eea6121a 810 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
811 goto error_return;
812 }
813 }
814
815 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
816 &swapped))
817 goto error_return;
818
819 if (swapped)
820 {
821 elf_section_data (sec)->relocs = internal_relocs;
252b5132 822 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 823 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
824 }
825 }
826
6cdc0ccc
AM
827 if (isymbuf != NULL
828 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
829 {
830 if (! link_info->keep_memory)
6cdc0ccc 831 free (isymbuf);
252b5132
RH
832 else
833 {
6cdc0ccc
AM
834 /* Cache the symbols for elf_link_input_bfd. */
835 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 836 }
9ad5cbcf
AM
837 }
838
6cdc0ccc
AM
839 if (contents != NULL
840 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
841 {
842 if (! link_info->keep_memory)
6cdc0ccc
AM
843 free (contents);
844 else
252b5132 845 {
6cdc0ccc
AM
846 /* Cache the section contents for elf_link_input_bfd. */
847 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 848 }
252b5132
RH
849 }
850
6cdc0ccc
AM
851 if (internal_relocs != NULL
852 && elf_section_data (sec)->relocs != internal_relocs)
853 free (internal_relocs);
854
b34976b6 855 return TRUE;
252b5132
RH
856
857 error_return:
6cdc0ccc
AM
858 if (isymbuf != NULL
859 && symtab_hdr->contents != (unsigned char *) isymbuf)
860 free (isymbuf);
861 if (contents != NULL
862 && elf_section_data (sec)->this_hdr.contents != contents)
863 free (contents);
864 if (internal_relocs != NULL
865 && elf_section_data (sec)->relocs != internal_relocs)
866 free (internal_relocs);
9ad5cbcf 867
b34976b6 868 return FALSE;
252b5132
RH
869}
870
871/* Delete some bytes from a section while relaxing. FIXME: There is a
872 lot of duplication between this function and sh_relax_delete_bytes
873 in coff-sh.c. */
874
b34976b6 875static bfd_boolean
09fd220b
KK
876sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
877 int count)
252b5132
RH
878{
879 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 880 unsigned int sec_shndx;
252b5132
RH
881 bfd_byte *contents;
882 Elf_Internal_Rela *irel, *irelend;
883 Elf_Internal_Rela *irelalign;
884 bfd_vma toaddr;
6cdc0ccc 885 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
886 struct elf_link_hash_entry **sym_hashes;
887 struct elf_link_hash_entry **end_hashes;
888 unsigned int symcount;
252b5132
RH
889 asection *o;
890
0ffa91dd 891 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 892 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
893
894 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
895
896 contents = elf_section_data (sec)->this_hdr.contents;
897
898 /* The deletion must stop at the next ALIGN reloc for an aligment
899 power larger than the number of bytes we are deleting. */
900
901 irelalign = NULL;
eea6121a 902 toaddr = sec->size;
252b5132
RH
903
904 irel = elf_section_data (sec)->relocs;
905 irelend = irel + sec->reloc_count;
906 for (; irel < irelend; irel++)
907 {
908 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
909 && irel->r_offset > addr
910 && count < (1 << irel->r_addend))
911 {
912 irelalign = irel;
913 toaddr = irel->r_offset;
914 break;
915 }
916 }
917
918 /* Actually delete the bytes. */
dc810e39
AM
919 memmove (contents + addr, contents + addr + count,
920 (size_t) (toaddr - addr - count));
252b5132 921 if (irelalign == NULL)
eea6121a 922 sec->size -= count;
252b5132
RH
923 else
924 {
925 int i;
926
927#define NOP_OPCODE (0x0009)
928
929 BFD_ASSERT ((count & 1) == 0);
930 for (i = 0; i < count; i += 2)
dc810e39 931 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
932 }
933
934 /* Adjust all the relocs. */
935 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
936 {
937 bfd_vma nraddr, stop;
938 bfd_vma start = 0;
939 int insn = 0;
252b5132
RH
940 int off, adjust, oinsn;
941 bfd_signed_vma voff = 0;
b34976b6 942 bfd_boolean overflow;
252b5132
RH
943
944 /* Get the new reloc address. */
945 nraddr = irel->r_offset;
946 if ((irel->r_offset > addr
947 && irel->r_offset < toaddr)
948 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
949 && irel->r_offset == toaddr))
950 nraddr -= count;
951
952 /* See if this reloc was for the bytes we have deleted, in which
953 case we no longer care about it. Don't delete relocs which
954 represent addresses, though. */
955 if (irel->r_offset >= addr
956 && irel->r_offset < addr + count
957 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
958 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
959 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
960 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
961 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
962 (int) R_SH_NONE);
963
964 /* If this is a PC relative reloc, see if the range it covers
067653c5 965 includes the bytes we have deleted. */
252b5132
RH
966 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
967 {
968 default:
969 break;
970
971 case R_SH_DIR8WPN:
972 case R_SH_IND12W:
973 case R_SH_DIR8WPZ:
974 case R_SH_DIR8WPL:
975 start = irel->r_offset;
976 insn = bfd_get_16 (abfd, contents + nraddr);
977 break;
978 }
979
980 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
981 {
982 default:
983 start = stop = addr;
984 break;
985
986 case R_SH_DIR32:
987 /* If this reloc is against a symbol defined in this
067653c5
AM
988 section, and the symbol will not be adjusted below, we
989 must check the addend to see it will put the value in
990 range to be adjusted, and hence must be changed. */
252b5132
RH
991 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
992 {
6cdc0ccc
AM
993 isym = isymbuf + ELF32_R_SYM (irel->r_info);
994 if (isym->st_shndx == sec_shndx
995 && (isym->st_value <= addr
996 || isym->st_value >= toaddr))
252b5132
RH
997 {
998 bfd_vma val;
999
55e6e397
RS
1000 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
1001 {
1002 val = bfd_get_32 (abfd, contents + nraddr);
1003 val += isym->st_value;
1004 if (val > addr && val < toaddr)
1005 bfd_put_32 (abfd, val - count, contents + nraddr);
1006 }
1007 else
1008 {
1009 val = isym->st_value + irel->r_addend;
1010 if (val > addr && val < toaddr)
1011 irel->r_addend -= count;
1012 }
252b5132
RH
1013 }
1014 }
1015 start = stop = addr;
1016 break;
1017
1018 case R_SH_DIR8WPN:
1019 off = insn & 0xff;
1020 if (off & 0x80)
1021 off -= 0x100;
1022 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1023 break;
1024
1025 case R_SH_IND12W:
bdfaef52
JR
1026 off = insn & 0xfff;
1027 if (! off)
1028 {
1029 /* This has been made by previous relaxation. Since the
1030 relocation will be against an external symbol, the
1031 final relocation will just do the right thing. */
1032 start = stop = addr;
1033 }
252b5132
RH
1034 else
1035 {
252b5132
RH
1036 if (off & 0x800)
1037 off -= 0x1000;
1038 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
1039
1040 /* The addend will be against the section symbol, thus
1041 for adjusting the addend, the relevant start is the
1042 start of the section.
4cc11e76 1043 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1044 test directly using symbol + addend, we have to take into
1045 account that the addend has already been adjusted by -4. */
1046 if (stop > addr && stop < toaddr)
1047 irel->r_addend -= count;
252b5132
RH
1048 }
1049 break;
1050
1051 case R_SH_DIR8WPZ:
1052 off = insn & 0xff;
1053 stop = start + 4 + off * 2;
1054 break;
1055
1056 case R_SH_DIR8WPL:
1057 off = insn & 0xff;
435b1e90 1058 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1059 break;
1060
1061 case R_SH_SWITCH8:
1062 case R_SH_SWITCH16:
1063 case R_SH_SWITCH32:
1064 /* These relocs types represent
1065 .word L2-L1
06e1ba78 1066 The r_addend field holds the difference between the reloc
252b5132
RH
1067 address and L1. That is the start of the reloc, and
1068 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1069 both the r_offset field and the section contents.
1070 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1071 and the elf bfd r_offset is called r_vaddr. */
252b5132 1072
06e1ba78
JR
1073 stop = irel->r_offset;
1074 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1075
1076 if (start > addr
1077 && start < toaddr
1078 && (stop <= addr || stop >= toaddr))
1079 irel->r_addend += count;
1080 else if (stop > addr
1081 && stop < toaddr
1082 && (start <= addr || start >= toaddr))
1083 irel->r_addend -= count;
1084
252b5132
RH
1085 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1086 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1087 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1088 voff = bfd_get_8 (abfd, contents + nraddr);
1089 else
1090 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1091 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1092
1093 break;
1094
1095 case R_SH_USES:
1096 start = irel->r_offset;
1097 stop = (bfd_vma) ((bfd_signed_vma) start
1098 + (long) irel->r_addend
1099 + 4);
1100 break;
1101 }
1102
1103 if (start > addr
1104 && start < toaddr
1105 && (stop <= addr || stop >= toaddr))
1106 adjust = count;
1107 else if (stop > addr
1108 && stop < toaddr
1109 && (start <= addr || start >= toaddr))
1110 adjust = - count;
1111 else
1112 adjust = 0;
1113
1114 if (adjust != 0)
1115 {
1116 oinsn = insn;
b34976b6 1117 overflow = FALSE;
252b5132
RH
1118 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1119 {
1120 default:
1121 abort ();
1122 break;
1123
1124 case R_SH_DIR8WPN:
1125 case R_SH_DIR8WPZ:
1126 insn += adjust / 2;
1127 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1128 overflow = TRUE;
dc810e39 1129 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1130 break;
1131
1132 case R_SH_IND12W:
1133 insn += adjust / 2;
1134 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1135 overflow = TRUE;
dc810e39 1136 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1137 break;
1138
1139 case R_SH_DIR8WPL:
1140 BFD_ASSERT (adjust == count || count >= 4);
1141 if (count >= 4)
1142 insn += adjust / 4;
1143 else
1144 {
1145 if ((irel->r_offset & 3) == 0)
1146 ++insn;
1147 }
1148 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1149 overflow = TRUE;
dc810e39 1150 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1151 break;
1152
851cde10
JR
1153 case R_SH_SWITCH8:
1154 voff += adjust;
1155 if (voff < 0 || voff >= 0xff)
b34976b6 1156 overflow = TRUE;
851cde10
JR
1157 bfd_put_8 (abfd, voff, contents + nraddr);
1158 break;
1159
252b5132
RH
1160 case R_SH_SWITCH16:
1161 voff += adjust;
1162 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1163 overflow = TRUE;
dc810e39 1164 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1165 break;
1166
1167 case R_SH_SWITCH32:
1168 voff += adjust;
dc810e39 1169 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1170 break;
1171
1172 case R_SH_USES:
1173 irel->r_addend += adjust;
1174 break;
1175 }
1176
1177 if (overflow)
1178 {
1179 ((*_bfd_error_handler)
d003868e
AM
1180 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1181 abfd, (unsigned long) irel->r_offset));
252b5132 1182 bfd_set_error (bfd_error_bad_value);
b34976b6 1183 return FALSE;
252b5132
RH
1184 }
1185 }
1186
1187 irel->r_offset = nraddr;
1188 }
1189
1190 /* Look through all the other sections. If there contain any IMM32
1191 relocs against internal symbols which we are not going to adjust
1192 below, we may need to adjust the addends. */
1193 for (o = abfd->sections; o != NULL; o = o->next)
1194 {
1195 Elf_Internal_Rela *internal_relocs;
1196 Elf_Internal_Rela *irelscan, *irelscanend;
1197 bfd_byte *ocontents;
1198
1199 if (o == sec
1200 || (o->flags & SEC_RELOC) == 0
1201 || o->reloc_count == 0)
1202 continue;
1203
1204 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1205 FALSE, we should free them, if we are permitted to, when we
067653c5 1206 leave sh_coff_relax_section. */
45d6a902 1207 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1208 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1209 if (internal_relocs == NULL)
b34976b6 1210 return FALSE;
252b5132
RH
1211
1212 ocontents = NULL;
1213 irelscanend = internal_relocs + o->reloc_count;
1214 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1215 {
084aa3aa
JR
1216 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1217 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1218 {
1219 bfd_vma start, stop;
1220 bfd_signed_vma voff;
1221
1222 if (ocontents == NULL)
1223 {
1224 if (elf_section_data (o)->this_hdr.contents != NULL)
1225 ocontents = elf_section_data (o)->this_hdr.contents;
1226 else
1227 {
1228 /* We always cache the section contents.
b34976b6 1229 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1230 should free them, if we are permitted to,
1231 when we leave sh_coff_relax_section. */
eea6121a
AM
1232 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1233 {
1234 if (ocontents != NULL)
1235 free (ocontents);
1236 return FALSE;
1237 }
1238
084aa3aa
JR
1239 elf_section_data (o)->this_hdr.contents = ocontents;
1240 }
1241 }
1242
1243 stop = irelscan->r_offset;
1244 start
1245 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1246
1247 /* STOP is in a different section, so it won't change. */
1248 if (start > addr && start < toaddr)
1249 irelscan->r_addend += count;
1250
1251 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1252 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1253
1254 if (start > addr
1255 && start < toaddr
1256 && (stop <= addr || stop >= toaddr))
dc810e39 1257 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1258 ocontents + irelscan->r_offset);
1259 else if (stop > addr
1260 && stop < toaddr
1261 && (start <= addr || start >= toaddr))
dc810e39 1262 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1263 ocontents + irelscan->r_offset);
1264 }
1265
252b5132
RH
1266 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1267 continue;
1268
1269 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1270 continue;
1271
252b5132 1272
6cdc0ccc
AM
1273 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1274 if (isym->st_shndx == sec_shndx
1275 && (isym->st_value <= addr
1276 || isym->st_value >= toaddr))
252b5132
RH
1277 {
1278 bfd_vma val;
1279
1280 if (ocontents == NULL)
1281 {
1282 if (elf_section_data (o)->this_hdr.contents != NULL)
1283 ocontents = elf_section_data (o)->this_hdr.contents;
1284 else
1285 {
1286 /* We always cache the section contents.
b34976b6 1287 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1288 should free them, if we are permitted to,
1289 when we leave sh_coff_relax_section. */
eea6121a
AM
1290 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1291 {
1292 if (ocontents != NULL)
1293 free (ocontents);
1294 return FALSE;
1295 }
1296
252b5132
RH
1297 elf_section_data (o)->this_hdr.contents = ocontents;
1298 }
1299 }
1300
1301 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1302 val += isym->st_value;
252b5132
RH
1303 if (val > addr && val < toaddr)
1304 bfd_put_32 (abfd, val - count,
1305 ocontents + irelscan->r_offset);
1306 }
1307 }
1308 }
1309
1310 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1311 isymend = isymbuf + symtab_hdr->sh_info;
1312 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1313 {
6cdc0ccc
AM
1314 if (isym->st_shndx == sec_shndx
1315 && isym->st_value > addr
1316 && isym->st_value < toaddr)
1317 isym->st_value -= count;
252b5132
RH
1318 }
1319
1320 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1321 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1322 - symtab_hdr->sh_info);
1323 sym_hashes = elf_sym_hashes (abfd);
1324 end_hashes = sym_hashes + symcount;
1325 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1326 {
9ad5cbcf
AM
1327 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1328 if ((sym_hash->root.type == bfd_link_hash_defined
1329 || sym_hash->root.type == bfd_link_hash_defweak)
1330 && sym_hash->root.u.def.section == sec
1331 && sym_hash->root.u.def.value > addr
1332 && sym_hash->root.u.def.value < toaddr)
252b5132 1333 {
9ad5cbcf 1334 sym_hash->root.u.def.value -= count;
252b5132
RH
1335 }
1336 }
1337
1338 /* See if we can move the ALIGN reloc forward. We have adjusted
1339 r_offset for it already. */
1340 if (irelalign != NULL)
1341 {
1342 bfd_vma alignto, alignaddr;
1343
1344 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1345 alignaddr = BFD_ALIGN (irelalign->r_offset,
1346 1 << irelalign->r_addend);
1347 if (alignto != alignaddr)
1348 {
1349 /* Tail recursion. */
1350 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1351 (int) (alignto - alignaddr));
252b5132
RH
1352 }
1353 }
1354
b34976b6 1355 return TRUE;
252b5132
RH
1356}
1357
1358/* Look for loads and stores which we can align to four byte
1359 boundaries. This is like sh_align_loads in coff-sh.c. */
1360
b34976b6 1361static bfd_boolean
09fd220b
KK
1362sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1363 Elf_Internal_Rela *internal_relocs,
1364 bfd_byte *contents ATTRIBUTE_UNUSED,
1365 bfd_boolean *pswapped)
252b5132
RH
1366{
1367 Elf_Internal_Rela *irel, *irelend;
1368 bfd_vma *labels = NULL;
1369 bfd_vma *label, *label_end;
dc810e39 1370 bfd_size_type amt;
252b5132 1371
b34976b6 1372 *pswapped = FALSE;
252b5132
RH
1373
1374 irelend = internal_relocs + sec->reloc_count;
1375
1376 /* Get all the addresses with labels on them. */
dc810e39
AM
1377 amt = sec->reloc_count;
1378 amt *= sizeof (bfd_vma);
1379 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1380 if (labels == NULL)
1381 goto error_return;
1382 label_end = labels;
1383 for (irel = internal_relocs; irel < irelend; irel++)
1384 {
1385 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1386 {
1387 *label_end = irel->r_offset;
1388 ++label_end;
1389 }
1390 }
1391
1392 /* Note that the assembler currently always outputs relocs in
1393 address order. If that ever changes, this code will need to sort
1394 the label values and the relocs. */
1395
1396 label = labels;
1397
1398 for (irel = internal_relocs; irel < irelend; irel++)
1399 {
1400 bfd_vma start, stop;
1401
1402 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1403 continue;
1404
1405 start = irel->r_offset;
1406
1407 for (irel++; irel < irelend; irel++)
1408 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1409 break;
1410 if (irel < irelend)
1411 stop = irel->r_offset;
1412 else
eea6121a 1413 stop = sec->size;
252b5132
RH
1414
1415 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1416 internal_relocs, &label,
252b5132
RH
1417 label_end, start, stop, pswapped))
1418 goto error_return;
1419 }
1420
1421 free (labels);
1422
b34976b6 1423 return TRUE;
252b5132
RH
1424
1425 error_return:
1426 if (labels != NULL)
1427 free (labels);
b34976b6 1428 return FALSE;
252b5132
RH
1429}
1430
85fbca6a 1431#ifndef SH64_ELF
252b5132
RH
1432/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1433
b34976b6 1434static bfd_boolean
09fd220b
KK
1435sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1436 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1437{
1438 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1439 unsigned short i1, i2;
1440 Elf_Internal_Rela *irel, *irelend;
1441
1442 /* Swap the instructions themselves. */
1443 i1 = bfd_get_16 (abfd, contents + addr);
1444 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1445 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1446 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1447
1448 /* Adjust all reloc addresses. */
1449 irelend = internal_relocs + sec->reloc_count;
1450 for (irel = internal_relocs; irel < irelend; irel++)
1451 {
1452 enum elf_sh_reloc_type type;
1453 int add;
1454
1455 /* There are a few special types of relocs that we don't want to
067653c5
AM
1456 adjust. These relocs do not apply to the instruction itself,
1457 but are only associated with the address. */
252b5132
RH
1458 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1459 if (type == R_SH_ALIGN
1460 || type == R_SH_CODE
1461 || type == R_SH_DATA
1462 || type == R_SH_LABEL)
1463 continue;
1464
1465 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1466 swapped, we must adjust it. It would be incorrect to do this
1467 for a jump, though, since we want to execute both
1468 instructions after the jump. (We have avoided swapping
1469 around a label, so the jump will not wind up executing an
1470 instruction it shouldn't). */
252b5132
RH
1471 if (type == R_SH_USES)
1472 {
1473 bfd_vma off;
1474
1475 off = irel->r_offset + 4 + irel->r_addend;
1476 if (off == addr)
1477 irel->r_offset += 2;
1478 else if (off == addr + 2)
1479 irel->r_offset -= 2;
1480 }
1481
1482 if (irel->r_offset == addr)
1483 {
1484 irel->r_offset += 2;
1485 add = -2;
1486 }
1487 else if (irel->r_offset == addr + 2)
1488 {
1489 irel->r_offset -= 2;
1490 add = 2;
1491 }
1492 else
1493 add = 0;
1494
1495 if (add != 0)
1496 {
1497 bfd_byte *loc;
1498 unsigned short insn, oinsn;
b34976b6 1499 bfd_boolean overflow;
252b5132
RH
1500
1501 loc = contents + irel->r_offset;
b34976b6 1502 overflow = FALSE;
252b5132
RH
1503 switch (type)
1504 {
1505 default:
1506 break;
1507
1508 case R_SH_DIR8WPN:
1509 case R_SH_DIR8WPZ:
1510 insn = bfd_get_16 (abfd, loc);
1511 oinsn = insn;
1512 insn += add / 2;
1513 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1514 overflow = TRUE;
dc810e39 1515 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1516 break;
1517
1518 case R_SH_IND12W:
1519 insn = bfd_get_16 (abfd, loc);
1520 oinsn = insn;
1521 insn += add / 2;
1522 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1523 overflow = TRUE;
dc810e39 1524 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1525 break;
1526
1527 case R_SH_DIR8WPL:
1528 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1529 the program counter before adding in the offset.
1530 This means that if ADDR is at an even address, the
1531 swap will not affect the offset. If ADDR is an at an
1532 odd address, then the instruction will be crossing a
1533 four byte boundary, and must be adjusted. */
252b5132
RH
1534 if ((addr & 3) != 0)
1535 {
1536 insn = bfd_get_16 (abfd, loc);
1537 oinsn = insn;
1538 insn += add / 2;
1539 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1540 overflow = TRUE;
dc810e39 1541 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1542 }
1543
1544 break;
1545 }
1546
1547 if (overflow)
1548 {
1549 ((*_bfd_error_handler)
d003868e
AM
1550 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1551 abfd, (unsigned long) irel->r_offset));
252b5132 1552 bfd_set_error (bfd_error_bad_value);
b34976b6 1553 return FALSE;
252b5132
RH
1554 }
1555 }
1556 }
1557
b34976b6 1558 return TRUE;
252b5132 1559}
85fbca6a 1560#endif /* defined SH64_ELF */
252b5132 1561\f
55e6e397
RS
1562/* Describes one of the various PLT styles. */
1563
1564struct elf_sh_plt_info
1565{
1566 /* The template for the first PLT entry, or NULL if there is no special
1567 first entry. */
1568 const bfd_byte *plt0_entry;
1569
1570 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1571 bfd_vma plt0_entry_size;
1572
1573 /* Index I is the offset into PLT0_ENTRY of a pointer to
1574 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1575 if there is no such pointer. */
1576 bfd_vma plt0_got_fields[3];
1577
1578 /* The template for a symbol's PLT entry. */
1579 const bfd_byte *symbol_entry;
1580
1581 /* The size of SYMBOL_ENTRY in bytes. */
1582 bfd_vma symbol_entry_size;
1583
1584 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1585 on all targets. The comments by each member indicate the value
1586 that the field must hold. */
1587 struct {
1588 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1589 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1590 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
8e45593f
NC
1591 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1592 instruction (instead of a constant pool
1593 entry). */
55e6e397
RS
1594 } symbol_fields;
1595
1596 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1597 bfd_vma symbol_resolve_offset;
8e45593f
NC
1598
1599 /* A different PLT layout which can be used for the first
1600 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1601 other cases. */
1602 const struct elf_sh_plt_info *short_plt;
55e6e397
RS
1603};
1604
fbca6ad9
AO
1605#ifdef INCLUDE_SHMEDIA
1606
1607/* The size in bytes of an entry in the procedure linkage table. */
1608
55e6e397 1609#define ELF_PLT_ENTRY_SIZE 64
fbca6ad9
AO
1610
1611/* First entry in an absolute procedure linkage table look like this. */
1612
55e6e397 1613static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1614{
1615 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1616 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1617 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
c8614e8e 1618 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
fbca6ad9
AO
1619 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1620 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
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 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1631};
1632
55e6e397 1633static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1634{
1635 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1636 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1637 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
c8614e8e 1638 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
fbca6ad9
AO
1639 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1640 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
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 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1651};
1652
1653/* Sebsequent entries in an absolute procedure linkage table look like
1654 this. */
1655
55e6e397 1656static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1657{
1658 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1659 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1660 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1661 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1662 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1663 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1664 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1665 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1666 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1667 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1668 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1669 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1670 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1671 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1672 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1673 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1674};
1675
55e6e397 1676static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1677{
1678 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1679 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1680 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1681 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1682 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1683 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1684 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1685 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1686 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1687 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1688 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1689 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1690 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1691 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1692 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1693 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1694};
1695
1696/* Entries in a PIC procedure linkage table look like this. */
1697
55e6e397 1698static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1699{
1700 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1701 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1702 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1703 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1704 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1705 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1706 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1707 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1708 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1709 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
fbca6ad9
AO
1710 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1711 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1712 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1713 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1714 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1715 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1716};
1717
55e6e397 1718static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1719{
1720 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1721 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1722 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1723 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1724 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1725 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1726 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1727 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1728 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1729 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
fbca6ad9
AO
1730 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1731 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1732 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1733 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1734 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1735 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1736};
1737
55e6e397
RS
1738static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1739 {
1740 {
1741 /* Big-endian non-PIC. */
1742 elf_sh_plt0_entry_be,
1743 ELF_PLT_ENTRY_SIZE,
1744 { 0, MINUS_ONE, MINUS_ONE },
1745 elf_sh_plt_entry_be,
1746 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1747 { 0, 32, 48, FALSE },
1748 33, /* includes ISA encoding */
1749 NULL
55e6e397
RS
1750 },
1751 {
1752 /* Little-endian non-PIC. */
1753 elf_sh_plt0_entry_le,
1754 ELF_PLT_ENTRY_SIZE,
1755 { 0, MINUS_ONE, MINUS_ONE },
1756 elf_sh_plt_entry_le,
1757 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1758 { 0, 32, 48, FALSE },
1759 33, /* includes ISA encoding */
1760 NULL
55e6e397
RS
1761 },
1762 },
1763 {
1764 {
1765 /* Big-endian PIC. */
1766 elf_sh_plt0_entry_be,
1767 ELF_PLT_ENTRY_SIZE,
1768 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1769 elf_sh_pic_plt_entry_be,
1770 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1771 { 0, MINUS_ONE, 52, FALSE },
1772 33, /* includes ISA encoding */
1773 NULL
55e6e397
RS
1774 },
1775 {
1776 /* Little-endian PIC. */
1777 elf_sh_plt0_entry_le,
1778 ELF_PLT_ENTRY_SIZE,
1779 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1780 elf_sh_pic_plt_entry_le,
1781 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1782 { 0, MINUS_ONE, 52, FALSE },
1783 33, /* includes ISA encoding */
1784 NULL
55e6e397
RS
1785 },
1786 }
1787};
fbca6ad9
AO
1788
1789/* Return offset of the linker in PLT0 entry. */
1790#define elf_sh_plt0_gotplt_offset(info) 0
1791
55e6e397
RS
1792/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1793 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1794 not data.
fbca6ad9 1795
55e6e397 1796 On SH64, each 32-bit field is loaded by a movi/shori pair. */
fbca6ad9
AO
1797
1798inline static void
55e6e397
RS
1799install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1800 unsigned long value, bfd_byte *addr)
fbca6ad9 1801{
55e6e397 1802 value |= code_p;
fbca6ad9
AO
1803 bfd_put_32 (output_bfd,
1804 bfd_get_32 (output_bfd, addr)
1805 | ((value >> 6) & 0x3fffc00),
1806 addr);
1807 bfd_put_32 (output_bfd,
1808 bfd_get_32 (output_bfd, addr + 4)
1809 | ((value << 10) & 0x3fffc00),
1810 addr + 4);
1811}
1812
55e6e397
RS
1813/* Return the type of PLT associated with ABFD. PIC_P is true if
1814 the object is position-independent. */
1815
1816static const struct elf_sh_plt_info *
1817get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1818{
1819 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1820}
fbca6ad9 1821#else
37c644f2 1822/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1823
55e6e397 1824#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1825
1826/* First entry in an absolute procedure linkage table look like this. */
1827
6c426cf3 1828/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1829 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1830 corrupted here. This does mean however, that this PLT does not conform
1831 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1832 and r2 contains the GOT id. This version stores the GOT id in r0 and
1833 ignores the type. Loaders can easily detect this difference however,
1834 since the type will always be 0 or 8, and the GOT ids will always be
1835 greater than or equal to 12. */
55e6e397 1836static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1837{
1838 0xd0, 0x05, /* mov.l 2f,r0 */
1839 0x60, 0x02, /* mov.l @r0,r0 */
1840 0x2f, 0x06, /* mov.l r0,@-r15 */
1841 0xd0, 0x03, /* mov.l 1f,r0 */
1842 0x60, 0x02, /* mov.l @r0,r0 */
1843 0x40, 0x2b, /* jmp @r0 */
1844 0x60, 0xf6, /* mov.l @r15+,r0 */
1845 0x00, 0x09, /* nop */
1846 0x00, 0x09, /* nop */
1847 0x00, 0x09, /* nop */
1848 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1849 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1850};
1851
55e6e397 1852static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1853{
1854 0x05, 0xd0, /* mov.l 2f,r0 */
1855 0x02, 0x60, /* mov.l @r0,r0 */
1856 0x06, 0x2f, /* mov.l r0,@-r15 */
1857 0x03, 0xd0, /* mov.l 1f,r0 */
1858 0x02, 0x60, /* mov.l @r0,r0 */
1859 0x2b, 0x40, /* jmp @r0 */
1860 0xf6, 0x60, /* mov.l @r15+,r0 */
1861 0x09, 0x00, /* nop */
1862 0x09, 0x00, /* nop */
1863 0x09, 0x00, /* nop */
1864 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1865 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1866};
1867
1868/* Sebsequent entries in an absolute procedure linkage table look like
1869 this. */
1870
55e6e397 1871static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1872{
1873 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1874 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1875 0xd1, 0x02, /* mov.l 0f,r1 */
1876 0x40, 0x2b, /* jmp @r0 */
1877 0x60, 0x13, /* mov r1,r0 */
1878 0xd1, 0x03, /* mov.l 2f,r1 */
1879 0x40, 0x2b, /* jmp @r0 */
1880 0x00, 0x09, /* nop */
1881 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1882 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1883 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1884};
1885
55e6e397 1886static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1887{
1888 0x04, 0xd0, /* mov.l 1f,r0 */
1889 0x02, 0x60, /* mov.l @r0,r0 */
1890 0x02, 0xd1, /* mov.l 0f,r1 */
1891 0x2b, 0x40, /* jmp @r0 */
1892 0x13, 0x60, /* mov r1,r0 */
1893 0x03, 0xd1, /* mov.l 2f,r1 */
1894 0x2b, 0x40, /* jmp @r0 */
1895 0x09, 0x00, /* nop */
1896 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1897 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1898 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1899};
1900
1901/* Entries in a PIC procedure linkage table look like this. */
1902
55e6e397 1903static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1904{
1905 0xd0, 0x04, /* mov.l 1f,r0 */
1906 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1907 0x40, 0x2b, /* jmp @r0 */
1908 0x00, 0x09, /* nop */
1909 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1910 0xd1, 0x03, /* mov.l 2f,r1 */
1911 0x40, 0x2b, /* jmp @r0 */
1912 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1913 0x00, 0x09, /* nop */
1914 0x00, 0x09, /* nop */
1915 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1916 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1917};
1918
55e6e397 1919static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1920{
1921 0x04, 0xd0, /* mov.l 1f,r0 */
1922 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1923 0x2b, 0x40, /* jmp @r0 */
1924 0x09, 0x00, /* nop */
1925 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1926 0x03, 0xd1, /* mov.l 2f,r1 */
1927 0x2b, 0x40, /* jmp @r0 */
1928 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1929 0x09, 0x00, /* nop */
1930 0x09, 0x00, /* nop */
1931 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1932 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1933};
1934
55e6e397
RS
1935static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1936 {
1937 {
1938 /* Big-endian non-PIC. */
1939 elf_sh_plt0_entry_be,
1940 ELF_PLT_ENTRY_SIZE,
1941 { MINUS_ONE, 24, 20 },
1942 elf_sh_plt_entry_be,
1943 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1944 { 20, 16, 24, FALSE },
1945 8,
1946 NULL
55e6e397
RS
1947 },
1948 {
1949 /* Little-endian non-PIC. */
1950 elf_sh_plt0_entry_le,
1951 ELF_PLT_ENTRY_SIZE,
1952 { MINUS_ONE, 24, 20 },
1953 elf_sh_plt_entry_le,
1954 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1955 { 20, 16, 24, FALSE },
1956 8,
1957 NULL
55e6e397
RS
1958 },
1959 },
1960 {
1961 {
1962 /* Big-endian PIC. */
1963 elf_sh_plt0_entry_be,
1964 ELF_PLT_ENTRY_SIZE,
1965 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1966 elf_sh_pic_plt_entry_be,
1967 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1968 { 20, MINUS_ONE, 24, FALSE },
1969 8,
1970 NULL
55e6e397
RS
1971 },
1972 {
1973 /* Little-endian PIC. */
1974 elf_sh_plt0_entry_le,
1975 ELF_PLT_ENTRY_SIZE,
1976 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1977 elf_sh_pic_plt_entry_le,
1978 ELF_PLT_ENTRY_SIZE,
8e45593f
NC
1979 { 20, MINUS_ONE, 24, FALSE },
1980 8,
1981 NULL
55e6e397
RS
1982 },
1983 }
1984};
252b5132 1985
55e6e397
RS
1986#define VXWORKS_PLT_HEADER_SIZE 12
1987#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 1988
55e6e397
RS
1989static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1990{
1991 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1992 0x61, 0x12, /* mov.l @r1,r1 */
1993 0x41, 0x2b, /* jmp @r1 */
1994 0x00, 0x09, /* nop */
1995 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1996};
252b5132 1997
55e6e397
RS
1998static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1999{
2000 0x01, 0xd1, /* mov.l @(8,pc),r1 */
2001 0x12, 0x61, /* mov.l @r1,r1 */
2002 0x2b, 0x41, /* jmp @r1 */
2003 0x09, 0x00, /* nop */
2004 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2005};
2006
2007static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2008{
2009 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2010 0x60, 0x02, /* mov.l @r0,r0 */
2011 0x40, 0x2b, /* jmp @r0 */
2012 0x00, 0x09, /* nop */
2013 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2014 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2015 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
2016 0x00, 0x09, /* nop */
2017 0x00, 0x09, /* nop */
2018 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2019};
2020
2021static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2022{
2023 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2024 0x02, 0x60, /* mov.l @r0,r0 */
2025 0x2b, 0x40, /* jmp @r0 */
2026 0x09, 0x00, /* nop */
2027 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2028 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2029 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
2030 0x09, 0x00, /* nop */
2031 0x09, 0x00, /* nop */
2032 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2033};
2034
2035static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2036{
2037 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2038 0x00, 0xce, /* mov.l @(r0,r12),r0 */
2039 0x40, 0x2b, /* jmp @r0 */
2040 0x00, 0x09, /* nop */
2041 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2042 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2043 0x51, 0xc2, /* mov.l @(8,r12),r1 */
2044 0x41, 0x2b, /* jmp @r1 */
2045 0x00, 0x09, /* nop */
2046 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2047};
2048
2049static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2050{
2051 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2052 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2053 0x2b, 0x40, /* jmp @r0 */
2054 0x09, 0x00, /* nop */
2055 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2056 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2057 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2058 0x2b, 0x41, /* jmp @r1 */
2059 0x09, 0x00, /* nop */
2060 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2061};
2062
2063static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2064 {
2065 {
2066 /* Big-endian non-PIC. */
2067 vxworks_sh_plt0_entry_be,
2068 VXWORKS_PLT_HEADER_SIZE,
2069 { MINUS_ONE, MINUS_ONE, 8 },
2070 vxworks_sh_plt_entry_be,
2071 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2072 { 8, 14, 20, FALSE },
2073 12,
2074 NULL
55e6e397
RS
2075 },
2076 {
2077 /* Little-endian non-PIC. */
2078 vxworks_sh_plt0_entry_le,
2079 VXWORKS_PLT_HEADER_SIZE,
2080 { MINUS_ONE, MINUS_ONE, 8 },
2081 vxworks_sh_plt_entry_le,
2082 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2083 { 8, 14, 20, FALSE },
2084 12,
2085 NULL
55e6e397
RS
2086 },
2087 },
2088 {
2089 {
2090 /* Big-endian PIC. */
2091 NULL,
2092 0,
2093 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2094 vxworks_sh_pic_plt_entry_be,
2095 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2096 { 8, MINUS_ONE, 20, FALSE },
2097 12,
2098 NULL
55e6e397
RS
2099 },
2100 {
2101 /* Little-endian PIC. */
2102 NULL,
2103 0,
2104 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2105 vxworks_sh_pic_plt_entry_le,
2106 VXWORKS_PLT_ENTRY_SIZE,
8e45593f
NC
2107 { 8, MINUS_ONE, 20, FALSE },
2108 12,
2109 NULL
55e6e397
RS
2110 },
2111 }
2112};
9bdafcce 2113
8e45593f
NC
2114/* FDPIC PLT entries. Two unimplemented optimizations for lazy
2115 binding are to omit the lazy binding stub when linking with -z now
2116 and to move lazy binding stubs into a separate region for better
2117 cache behavior. */
2118
2119#define FDPIC_PLT_ENTRY_SIZE 28
2120#define FDPIC_PLT_LAZY_OFFSET 20
2121
2122/* FIXME: The lazy binding stub requires a plt0 - which may need to be
2123 duplicated if it is out of range, or which can be inlined. So
2124 right now it is always inlined, which wastes a word per stub. It
2125 might be easier to handle the duplication if we put the lazy
2126 stubs separately. */
2127
2128static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
2129{
2130 0xd0, 0x02, /* mov.l @(12,pc),r0 */
2131 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2132 0x70, 0x04, /* add #4, r0 */
2133 0x41, 0x2b, /* jmp @r1 */
2134 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2135 0x00, 0x09, /* nop */
2136 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2137 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2138 0x60, 0xc2, /* mov.l @r12,r0 */
2139 0x40, 0x2b, /* jmp @r0 */
2140 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2141 0x00, 0x09, /* nop */
2142};
2143
2144static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
2145{
2146 0x02, 0xd0, /* mov.l @(12,pc),r0 */
2147 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2148 0x04, 0x70, /* add #4, r0 */
2149 0x2b, 0x41, /* jmp @r1 */
2150 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2151 0x09, 0x00, /* nop */
2152 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2153 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2154 0xc2, 0x60, /* mov.l @r12,r0 */
2155 0x2b, 0x40, /* jmp @r0 */
2156 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2157 0x09, 0x00, /* nop */
2158};
2159
2160static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
2161 {
2162 /* Big-endian PIC. */
2163 NULL,
2164 0,
2165 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2166 fdpic_sh_plt_entry_be,
2167 FDPIC_PLT_ENTRY_SIZE,
2168 { 12, MINUS_ONE, 16, FALSE },
2169 FDPIC_PLT_LAZY_OFFSET,
2170 NULL
2171 },
2172 {
2173 /* Little-endian PIC. */
2174 NULL,
2175 0,
2176 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2177 fdpic_sh_plt_entry_le,
2178 FDPIC_PLT_ENTRY_SIZE,
2179 { 12, MINUS_ONE, 16, FALSE },
2180 FDPIC_PLT_LAZY_OFFSET,
2181 NULL
2182 },
2183};
2184
2185/* On SH2A, we can use the movi20 instruction to generate shorter PLT
2186 entries for the first 64K slots. We use the normal FDPIC PLT entry
2187 past that point; we could also use movi20s, which might be faster,
2188 but would not be any smaller. */
2189
2190#define FDPIC_SH2A_PLT_ENTRY_SIZE 24
2191#define FDPIC_SH2A_PLT_LAZY_OFFSET 16
2192
2193static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2194{
2195 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2196 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2197 0x70, 0x04, /* add #4, r0 */
2198 0x41, 0x2b, /* jmp @r1 */
2199 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2200 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2201 0x60, 0xc2, /* mov.l @r12,r0 */
2202 0x40, 0x2b, /* jmp @r0 */
2203 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2204 0x00, 0x09, /* nop */
2205};
2206
2207static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2208{
2209 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2210 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2211 0x04, 0x70, /* add #4, r0 */
2212 0x2b, 0x41, /* jmp @r1 */
2213 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2214 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2215 0xc2, 0x60, /* mov.l @r12,r0 */
2216 0x2b, 0x40, /* jmp @r0 */
2217 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2218 0x09, 0x00, /* nop */
2219};
2220
2221static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
2222 /* Big-endian FDPIC, max index 64K. */
2223 NULL,
2224 0,
2225 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2226 fdpic_sh2a_plt_entry_be,
2227 FDPIC_SH2A_PLT_ENTRY_SIZE,
2228 { 0, MINUS_ONE, 12, TRUE },
2229 FDPIC_SH2A_PLT_LAZY_OFFSET,
2230 NULL
2231};
2232
2233static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
2234 /* Little-endian FDPIC, max index 64K. */
2235 NULL,
2236 0,
2237 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2238 fdpic_sh2a_plt_entry_le,
2239 FDPIC_SH2A_PLT_ENTRY_SIZE,
2240 { 0, MINUS_ONE, 12, TRUE },
2241 FDPIC_SH2A_PLT_LAZY_OFFSET,
2242 NULL
2243};
2244
2245static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
2246 {
2247 /* Big-endian PIC. */
2248 NULL,
2249 0,
2250 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2251 fdpic_sh_plt_entry_be,
2252 FDPIC_PLT_ENTRY_SIZE,
2253 { 12, MINUS_ONE, 16, FALSE },
2254 FDPIC_PLT_LAZY_OFFSET,
2255 &fdpic_sh2a_short_plt_be
2256 },
2257 {
2258 /* Little-endian PIC. */
2259 NULL,
2260 0,
2261 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2262 fdpic_sh_plt_entry_le,
2263 FDPIC_PLT_ENTRY_SIZE,
2264 { 12, MINUS_ONE, 16, FALSE },
2265 FDPIC_PLT_LAZY_OFFSET,
2266 &fdpic_sh2a_short_plt_le
2267 },
2268};
2269
55e6e397
RS
2270/* Return the type of PLT associated with ABFD. PIC_P is true if
2271 the object is position-independent. */
9bdafcce 2272
55e6e397 2273static const struct elf_sh_plt_info *
8e45593f 2274get_plt_info (bfd *abfd, bfd_boolean pic_p)
55e6e397 2275{
8e45593f
NC
2276 if (fdpic_object_p (abfd))
2277 {
2278 /* If any input file requires SH2A we can use a shorter PLT
2279 sequence. */
2280 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2281 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2282 else
2283 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2284 }
55e6e397
RS
2285 if (vxworks_object_p (abfd))
2286 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2287 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2288}
9bdafcce 2289
55e6e397
RS
2290/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2291 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2292 not data. */
9bdafcce 2293
55e6e397
RS
2294inline static void
2295install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2296 unsigned long value, bfd_byte *addr)
2297{
2298 bfd_put_32 (output_bfd, value, addr);
2299}
fbca6ad9 2300#endif
015551fc 2301
8e45593f
NC
2302/* The number of PLT entries which can use a shorter PLT, if any.
2303 Currently always 64K, since only SH-2A FDPIC uses this; a
2304 20-bit movi20 can address that many function descriptors below
2305 _GLOBAL_OFFSET_TABLE_. */
2306#define MAX_SHORT_PLT 65536
2307
55e6e397
RS
2308/* Return the index of the PLT entry at byte offset OFFSET. */
2309
2310static bfd_vma
2311get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2312{
8e45593f
NC
2313 bfd_vma plt_index = 0;
2314
2315 offset -= info->plt0_entry_size;
2316 if (info->short_plt != NULL)
2317 {
2318 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2319 {
2320 plt_index = MAX_SHORT_PLT;
2321 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2322 }
2323 else
2324 info = info->short_plt;
2325 }
2326 return plt_index + offset / info->symbol_entry_size;
55e6e397
RS
2327}
2328
2329/* Do the inverse operation. */
2330
2331static bfd_vma
91d6fa6a 2332get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
55e6e397 2333{
8e45593f
NC
2334 bfd_vma offset = 0;
2335
2336 if (info->short_plt != NULL)
2337 {
2338 if (plt_index > MAX_SHORT_PLT)
2339 {
2340 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2341 plt_index -= MAX_SHORT_PLT;
2342 }
2343 else
2344 info = info->short_plt;
2345 }
2346 return (offset + info->plt0_entry_size
2347 + (plt_index * info->symbol_entry_size));
55e6e397
RS
2348}
2349
37c644f2 2350/* The sh linker needs to keep track of the number of relocs that it
067653c5
AM
2351 decides to copy as dynamic relocs in check_relocs for each symbol.
2352 This is so that it can later discard them if they are found to be
2353 unnecessary. We store the information in a field extending the
2354 regular ELF linker hash table. */
252b5132 2355
067653c5 2356struct elf_sh_dyn_relocs
38b1a46c 2357{
067653c5
AM
2358 struct elf_sh_dyn_relocs *next;
2359
2360 /* The input section of the reloc. */
2361 asection *sec;
2362
2363 /* Total number of relocs copied for the input section. */
37c644f2 2364 bfd_size_type count;
067653c5
AM
2365
2366 /* Number of pc-relative relocs copied for the input section. */
2367 bfd_size_type pc_count;
37c644f2 2368};
252b5132 2369
8e45593f
NC
2370union gotref
2371{
2372 bfd_signed_vma refcount;
2373 bfd_vma offset;
2374};
2375
37c644f2
AO
2376/* sh ELF linker hash entry. */
2377
38b1a46c
NC
2378struct elf_sh_link_hash_entry
2379{
37c644f2
AO
2380 struct elf_link_hash_entry root;
2381
fbca6ad9 2382#ifdef INCLUDE_SHMEDIA
396a6083
SC
2383 union
2384 {
2385 bfd_signed_vma refcount;
2386 bfd_vma offset;
2387 } datalabel_got;
fbca6ad9
AO
2388#endif
2389
067653c5
AM
2390 /* Track dynamic relocs copied for this symbol. */
2391 struct elf_sh_dyn_relocs *dyn_relocs;
4989d792
SC
2392
2393 bfd_signed_vma gotplt_refcount;
3376eaf5 2394
8e45593f
NC
2395 /* A local function descriptor, for FDPIC. The refcount counts
2396 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2397 relocations; the PLT and GOT entry are accounted
2398 for separately. After adjust_dynamic_symbol, the offset is
2399 MINUS_ONE if there is no local descriptor (dynamic linker
2400 managed and no PLT entry, or undefined weak non-dynamic).
2401 During check_relocs we do not yet know whether the local
2402 descriptor will be canonical. */
2403 union gotref funcdesc;
2404
2405 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2406 and thus require fixups or relocations. */
2407 bfd_signed_vma abs_funcdesc_refcount;
2408
85e02784 2409 enum got_type {
8e45593f
NC
2410 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2411 } got_type;
3376eaf5
KK
2412};
2413
2414#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2415
2416struct sh_elf_obj_tdata
2417{
2418 struct elf_obj_tdata root;
2419
8e45593f
NC
2420 /* got_type for each local got entry. */
2421 char *local_got_type;
2422
2423 /* Function descriptor refcount and offset for each local symbol. */
2424 union gotref *local_funcdesc;
37c644f2
AO
2425};
2426
3376eaf5
KK
2427#define sh_elf_tdata(abfd) \
2428 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2429
8e45593f
NC
2430#define sh_elf_local_got_type(abfd) \
2431 (sh_elf_tdata (abfd)->local_got_type)
2432
2433#define sh_elf_local_funcdesc(abfd) \
2434 (sh_elf_tdata (abfd)->local_funcdesc)
3376eaf5 2435
0ffa91dd
NC
2436#define is_sh_elf(bfd) \
2437 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2438 && elf_tdata (bfd) != NULL \
4dfe6ac6 2439 && elf_object_id (bfd) == SH_ELF_DATA)
0ffa91dd 2440
3376eaf5
KK
2441/* Override the generic function because we need to store sh_elf_obj_tdata
2442 as the specific tdata. */
2443
b34976b6 2444static bfd_boolean
09fd220b 2445sh_elf_mkobject (bfd *abfd)
3376eaf5 2446{
0ffa91dd 2447 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
4dfe6ac6 2448 SH_ELF_DATA);
3376eaf5 2449}
b34976b6 2450
37c644f2
AO
2451/* sh ELF linker hash table. */
2452
38b1a46c
NC
2453struct elf_sh_link_hash_table
2454{
37c644f2 2455 struct elf_link_hash_table root;
37c644f2 2456
067653c5
AM
2457 /* Short-cuts to get to dynamic linker sections. */
2458 asection *sgot;
2459 asection *sgotplt;
2460 asection *srelgot;
2461 asection *splt;
2462 asection *srelplt;
2463 asection *sdynbss;
2464 asection *srelbss;
8e45593f
NC
2465 asection *sfuncdesc;
2466 asection *srelfuncdesc;
2467 asection *srofixup;
37c644f2 2468
55e6e397
RS
2469 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2470 asection *srelplt2;
2471
87d72d41
AM
2472 /* Small local sym cache. */
2473 struct sym_cache sym_cache;
3376eaf5
KK
2474
2475 /* A counter or offset to track a TLS got entry. */
2476 union
2477 {
2478 bfd_signed_vma refcount;
2479 bfd_vma offset;
2480 } tls_ldm_got;
55e6e397
RS
2481
2482 /* The type of PLT to use. */
2483 const struct elf_sh_plt_info *plt_info;
2484
2485 /* True if the target system is VxWorks. */
2486 bfd_boolean vxworks_p;
8e45593f
NC
2487
2488 /* True if the target system uses FDPIC. */
2489 bfd_boolean fdpic_p;
067653c5 2490};
37c644f2
AO
2491
2492/* Traverse an sh ELF linker hash table. */
2493
2494#define sh_elf_link_hash_traverse(table, func, info) \
2495 (elf_link_hash_traverse \
2496 (&(table)->root, \
09fd220b 2497 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2498 (info)))
2499
2500/* Get the sh ELF linker hash table from a link_info structure. */
2501
2502#define sh_elf_hash_table(p) \
4dfe6ac6
NC
2503 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2504 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
37c644f2
AO
2505
2506/* Create an entry in an sh ELF linker hash table. */
2507
2508static struct bfd_hash_entry *
09fd220b
KK
2509sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2510 struct bfd_hash_table *table,
2511 const char *string)
37c644f2
AO
2512{
2513 struct elf_sh_link_hash_entry *ret =
2514 (struct elf_sh_link_hash_entry *) entry;
2515
2516 /* Allocate the structure if it has not already been allocated by a
2517 subclass. */
2518 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2519 ret = ((struct elf_sh_link_hash_entry *)
2520 bfd_hash_allocate (table,
2521 sizeof (struct elf_sh_link_hash_entry)));
2522 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2523 return (struct bfd_hash_entry *) ret;
2524
2525 /* Call the allocation method of the superclass. */
2526 ret = ((struct elf_sh_link_hash_entry *)
2527 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2528 table, string));
2529 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2530 {
396a6083
SC
2531 ret->dyn_relocs = NULL;
2532 ret->gotplt_refcount = 0;
fbca6ad9 2533#ifdef INCLUDE_SHMEDIA
396a6083 2534 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2535#endif
8e45593f
NC
2536 ret->funcdesc.refcount = 0;
2537 ret->abs_funcdesc_refcount = 0;
2538 ret->got_type = GOT_UNKNOWN;
37c644f2
AO
2539 }
2540
2541 return (struct bfd_hash_entry *) ret;
2542}
2543
2544/* Create an sh ELF linker hash table. */
2545
2546static struct bfd_link_hash_table *
09fd220b 2547sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2548{
2549 struct elf_sh_link_hash_table *ret;
dc810e39 2550 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2551
e2d34d7d 2552 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
37c644f2
AO
2553 if (ret == (struct elf_sh_link_hash_table *) NULL)
2554 return NULL;
2555
66eb6687
AM
2556 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2557 sh_elf_link_hash_newfunc,
4dfe6ac6
NC
2558 sizeof (struct elf_sh_link_hash_entry),
2559 SH_ELF_DATA))
37c644f2 2560 {
e2d34d7d 2561 free (ret);
37c644f2
AO
2562 return NULL;
2563 }
2564
067653c5
AM
2565 ret->sgot = NULL;
2566 ret->sgotplt = NULL;
2567 ret->srelgot = NULL;
2568 ret->splt = NULL;
2569 ret->srelplt = NULL;
2570 ret->sdynbss = NULL;
2571 ret->srelbss = NULL;
55e6e397 2572 ret->srelplt2 = NULL;
87d72d41 2573 ret->sym_cache.abfd = NULL;
3376eaf5 2574 ret->tls_ldm_got.refcount = 0;
55e6e397
RS
2575 ret->plt_info = NULL;
2576 ret->vxworks_p = vxworks_object_p (abfd);
8e45593f 2577 ret->fdpic_p = fdpic_object_p (abfd);
067653c5 2578
37c644f2
AO
2579 return &ret->root.root;
2580}
2581
8e45593f
NC
2582static bfd_boolean
2583sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2584 struct bfd_link_info *info, asection *p)
2585{
2586 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2587
2588 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2589 if (!htab->fdpic_p)
2590 return TRUE;
2591
2592 /* We need dynamic symbols for every section, since segments can
2593 relocate independently. */
2594 switch (elf_section_data (p)->this_hdr.sh_type)
2595 {
2596 case SHT_PROGBITS:
2597 case SHT_NOBITS:
2598 /* If sh_type is yet undecided, assume it could be
2599 SHT_PROGBITS/SHT_NOBITS. */
2600 case SHT_NULL:
2601 return FALSE;
2602
2603 /* There shouldn't be section relative relocations
2604 against any other section. */
2605 default:
2606 return TRUE;
2607 }
2608}
2609
067653c5
AM
2610/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2611 shortcuts to them in our hash table. */
2612
b34976b6 2613static bfd_boolean
09fd220b 2614create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2615{
2616 struct elf_sh_link_hash_table *htab;
2617
2618 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2619 return FALSE;
067653c5
AM
2620
2621 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2622 if (htab == NULL)
2623 return FALSE;
2624
3d4d4302
AM
2625 htab->sgot = bfd_get_linker_section (dynobj, ".got");
2626 htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
2627 htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got");
64e77c6d 2628 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
067653c5 2629 abort ();
8e45593f 2630
3d4d4302
AM
2631 htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
2632 (SEC_ALLOC | SEC_LOAD
2633 | SEC_HAS_CONTENTS
2634 | SEC_IN_MEMORY
2635 | SEC_LINKER_CREATED));
8e45593f
NC
2636 if (htab->sfuncdesc == NULL
2637 || ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2))
2638 return FALSE;
2639
3d4d4302
AM
2640 htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
2641 ".rela.got.funcdesc",
2642 (SEC_ALLOC | SEC_LOAD
2643 | SEC_HAS_CONTENTS
2644 | SEC_IN_MEMORY
2645 | SEC_LINKER_CREATED
2646 | SEC_READONLY));
8e45593f
NC
2647 if (htab->srelfuncdesc == NULL
2648 || ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2))
2649 return FALSE;
2650
2651 /* Also create .rofixup. */
3d4d4302
AM
2652 htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
2653 (SEC_ALLOC | SEC_LOAD
2654 | SEC_HAS_CONTENTS
2655 | SEC_IN_MEMORY
2656 | SEC_LINKER_CREATED
2657 | SEC_READONLY));
8e45593f
NC
2658 if (htab->srofixup == NULL
2659 || ! bfd_set_section_alignment (dynobj, htab->srofixup, 2))
2660 return FALSE;
2661
b34976b6 2662 return TRUE;
067653c5
AM
2663}
2664
37c644f2
AO
2665/* Create dynamic sections when linking against a dynamic object. */
2666
b34976b6 2667static bfd_boolean
09fd220b 2668sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2669{
067653c5 2670 struct elf_sh_link_hash_table *htab;
37c644f2 2671 flagword flags, pltflags;
91d6fa6a 2672 asection *s;
9c5bfbb7 2673 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2674 int ptralign = 0;
2675
2676 switch (bed->s->arch_size)
2677 {
2678 case 32:
2679 ptralign = 2;
2680 break;
2681
2682 case 64:
2683 ptralign = 3;
2684 break;
2685
2686 default:
2687 bfd_set_error (bfd_error_bad_value);
b34976b6 2688 return FALSE;
37c644f2
AO
2689 }
2690
067653c5 2691 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2692 if (htab == NULL)
2693 return FALSE;
2694
35cad4c4
KK
2695 if (htab->root.dynamic_sections_created)
2696 return TRUE;
067653c5 2697
37c644f2
AO
2698 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2699 .rel[a].bss sections. */
2700
2701 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2702 | SEC_LINKER_CREATED);
2703
2704 pltflags = flags;
2705 pltflags |= SEC_CODE;
2706 if (bed->plt_not_loaded)
2707 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2708 if (bed->plt_readonly)
2709 pltflags |= SEC_READONLY;
2710
3d4d4302 2711 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2712 htab->splt = s;
2713 if (s == NULL
35cad4c4
KK
2714 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2715 return FALSE;
37c644f2
AO
2716
2717 if (bed->want_plt_sym)
2718 {
2719 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2720 .plt section. */
14a793b2
AM
2721 struct elf_link_hash_entry *h;
2722 struct bfd_link_hash_entry *bh = NULL;
2723
37c644f2
AO
2724 if (! (_bfd_generic_link_add_one_symbol
2725 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2726 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2727 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2728 return FALSE;
14a793b2
AM
2729
2730 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2731 h->def_regular = 1;
37c644f2 2732 h->type = STT_OBJECT;
7325306f 2733 htab->root.hplt = h;
37c644f2
AO
2734
2735 if (info->shared
c152c796 2736 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2737 return FALSE;
37c644f2
AO
2738 }
2739
3d4d4302
AM
2740 s = bfd_make_section_anyway_with_flags (abfd,
2741 bed->default_use_rela_p
2742 ? ".rela.plt" : ".rel.plt",
2743 flags | SEC_READONLY);
35cad4c4
KK
2744 htab->srelplt = s;
2745 if (s == NULL
35cad4c4
KK
2746 || ! bfd_set_section_alignment (abfd, s, ptralign))
2747 return FALSE;
37c644f2 2748
2293c499
AM
2749 if (htab->sgot == NULL
2750 && !create_got_section (abfd, info))
b34976b6 2751 return FALSE;
37c644f2 2752
37c644f2
AO
2753 if (bed->want_dynbss)
2754 {
2755 /* The .dynbss section is a place to put symbols which are defined
2756 by dynamic objects, are referenced by regular objects, and are
2757 not functions. We must allocate space for them in the process
2758 image and use a R_*_COPY reloc to tell the dynamic linker to
2759 initialize them at run time. The linker script puts the .dynbss
2760 section into the .bss section of the final image. */
3d4d4302
AM
2761 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2762 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2763 htab->sdynbss = s;
3496cb2a 2764 if (s == NULL)
35cad4c4 2765 return FALSE;
37c644f2
AO
2766
2767 /* The .rel[a].bss section holds copy relocs. This section is not
2768 normally needed. We need to create it here, though, so that the
2769 linker will map it to an output section. We can't just create it
2770 only if we need it, because we will not know whether we need it
2771 until we have seen all the input files, and the first time the
2772 main linker code calls BFD after examining all the input files
2773 (size_dynamic_sections) the input sections have already been
2774 mapped to the output sections. If the section turns out not to
2775 be needed, we can discard it later. We will never need this
2776 section when generating a shared object, since they do not use
2777 copy relocs. */
35cad4c4 2778 if (! info->shared)
37c644f2 2779 {
3d4d4302
AM
2780 s = bfd_make_section_anyway_with_flags (abfd,
2781 (bed->default_use_rela_p
2782 ? ".rela.bss" : ".rel.bss"),
2783 flags | SEC_READONLY);
067653c5 2784 htab->srelbss = s;
37c644f2 2785 if (s == NULL
37c644f2 2786 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2787 return FALSE;
37c644f2
AO
2788 }
2789 }
2790
55e6e397
RS
2791 if (htab->vxworks_p)
2792 {
2793 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2794 return FALSE;
2795 }
2796
b34976b6 2797 return TRUE;
37c644f2
AO
2798}
2799\f
37c644f2
AO
2800/* Adjust a symbol defined by a dynamic object and referenced by a
2801 regular object. The current definition is in some section of the
2802 dynamic object, but we're not including those sections. We have to
2803 change the definition to something the rest of the link can
2804 understand. */
2805
b34976b6 2806static bfd_boolean
09fd220b
KK
2807sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2808 struct elf_link_hash_entry *h)
37c644f2 2809{
067653c5
AM
2810 struct elf_sh_link_hash_table *htab;
2811 struct elf_sh_link_hash_entry *eh;
2812 struct elf_sh_dyn_relocs *p;
37c644f2 2813 asection *s;
37c644f2 2814
2293c499 2815 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2816 if (htab == NULL)
2817 return FALSE;
37c644f2
AO
2818
2819 /* Make sure we know what is going on here. */
2293c499 2820 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2821 && (h->needs_plt
f6e332e6 2822 || h->u.weakdef != NULL
f5385ebf
AM
2823 || (h->def_dynamic
2824 && h->ref_regular
2825 && !h->def_regular)));
37c644f2
AO
2826
2827 /* If this is a function, put it in the procedure linkage table. We
2828 will fill in the contents of the procedure linkage table later,
2829 when we know the address of the .got section. */
2830 if (h->type == STT_FUNC
f5385ebf 2831 || h->needs_plt)
37c644f2 2832 {
067653c5 2833 if (h->plt.refcount <= 0
3d85aebe
KK
2834 || SYMBOL_CALLS_LOCAL (info, h)
2835 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2836 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2837 {
2838 /* This case can occur if we saw a PLT reloc in an input
2839 file, but the symbol was never referred to by a dynamic
2840 object. In such a case, we don't actually need to build
2841 a procedure linkage table, and we can just do a REL32
2842 reloc instead. */
067653c5 2843 h->plt.offset = (bfd_vma) -1;
f5385ebf 2844 h->needs_plt = 0;
37c644f2
AO
2845 }
2846
b34976b6 2847 return TRUE;
37c644f2 2848 }
067653c5
AM
2849 else
2850 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2851
2852 /* If this is a weak symbol, and there is a real definition, the
2853 processor independent code will have arranged for us to see the
2854 real definition first, and we can just use the same value. */
f6e332e6 2855 if (h->u.weakdef != NULL)
37c644f2 2856 {
f6e332e6
AM
2857 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2858 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2859 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2860 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2861 if (info->nocopyreloc)
f6e332e6 2862 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2863 return TRUE;
37c644f2
AO
2864 }
2865
2866 /* This is a reference to a symbol defined by a dynamic object which
2867 is not a function. */
2868
2869 /* If we are creating a shared library, we must presume that the
2870 only references to the symbol are via the global offset table.
2871 For such cases we need not do anything here; the relocations will
2872 be handled correctly by relocate_section. */
2873 if (info->shared)
b34976b6 2874 return TRUE;
37c644f2
AO
2875
2876 /* If there are no references to this symbol that do not use the
2877 GOT, we don't need to generate a copy reloc. */
f5385ebf 2878 if (!h->non_got_ref)
b34976b6 2879 return TRUE;
37c644f2 2880
067653c5
AM
2881 /* If -z nocopyreloc was given, we won't generate them either. */
2882 if (info->nocopyreloc)
2883 {
f5385ebf 2884 h->non_got_ref = 0;
b34976b6 2885 return TRUE;
067653c5
AM
2886 }
2887
2888 eh = (struct elf_sh_link_hash_entry *) h;
2889 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2890 {
2891 s = p->sec->output_section;
2892 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2893 break;
2894 }
2895
2896 /* If we didn't find any dynamic relocs in sections which needs the
2897 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2898 the copy reloc. */
2899 if (p == NULL)
2900 {
f5385ebf 2901 h->non_got_ref = 0;
b34976b6 2902 return TRUE;
067653c5
AM
2903 }
2904
37c644f2
AO
2905 /* We must allocate the symbol in our .dynbss section, which will
2906 become part of the .bss section of the executable. There will be
2907 an entry for this symbol in the .dynsym section. The dynamic
2908 object will contain position independent code, so all references
2909 from the dynamic object to this symbol will go through the global
2910 offset table. The dynamic linker will use the .dynsym entry to
2911 determine the address it must put in the global offset table, so
2912 both the dynamic object and the regular object will refer to the
2913 same memory location for the variable. */
2914
067653c5 2915 s = htab->sdynbss;
37c644f2
AO
2916 BFD_ASSERT (s != NULL);
2917
2918 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2919 copy the initial value out of the dynamic object and into the
2920 runtime process image. We need to remember the offset into the
2921 .rela.bss section we are going to use. */
1d7e9d18 2922 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
37c644f2
AO
2923 {
2924 asection *srel;
2925
067653c5 2926 srel = htab->srelbss;
37c644f2 2927 BFD_ASSERT (srel != NULL);
eea6121a 2928 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2929 h->needs_copy = 1;
37c644f2
AO
2930 }
2931
027297b7 2932 return _bfd_elf_adjust_dynamic_copy (h, s);
37c644f2
AO
2933}
2934
067653c5
AM
2935/* Allocate space in .plt, .got and associated reloc sections for
2936 dynamic relocs. */
2937
b34976b6 2938static bfd_boolean
09fd220b 2939allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2940{
2941 struct bfd_link_info *info;
2942 struct elf_sh_link_hash_table *htab;
2943 struct elf_sh_link_hash_entry *eh;
2944 struct elf_sh_dyn_relocs *p;
2945
2946 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2947 return TRUE;
067653c5 2948
067653c5
AM
2949 info = (struct bfd_link_info *) inf;
2950 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2951 if (htab == NULL)
2952 return FALSE;
067653c5 2953
4989d792
SC
2954 eh = (struct elf_sh_link_hash_entry *) h;
2955 if ((h->got.refcount > 0
f5385ebf 2956 || h->forced_local)
4989d792
SC
2957 && eh->gotplt_refcount > 0)
2958 {
2959 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2960 so treat all the gotplt refs as got refs. */
4989d792
SC
2961 h->got.refcount += eh->gotplt_refcount;
2962 if (h->plt.refcount >= eh->gotplt_refcount)
2963 h->plt.refcount -= eh->gotplt_refcount;
2964 }
2965
067653c5 2966 if (htab->root.dynamic_sections_created
04e534c3
KK
2967 && h->plt.refcount > 0
2968 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2969 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2970 {
2971 /* Make sure this symbol is output as a dynamic symbol.
2972 Undefined weak syms won't yet be marked as dynamic. */
2973 if (h->dynindx == -1
f5385ebf 2974 && !h->forced_local)
067653c5 2975 {
c152c796 2976 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2977 return FALSE;
067653c5
AM
2978 }
2979
267fb3c1
KK
2980 if (info->shared
2981 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
2982 {
2983 asection *s = htab->splt;
8e45593f 2984 const struct elf_sh_plt_info *plt_info;
067653c5
AM
2985
2986 /* If this is the first .plt entry, make room for the special
2987 first entry. */
eea6121a 2988 if (s->size == 0)
55e6e397 2989 s->size += htab->plt_info->plt0_entry_size;
067653c5 2990
eea6121a 2991 h->plt.offset = s->size;
067653c5
AM
2992
2993 /* If this symbol is not defined in a regular file, and we are
2994 not generating a shared library, then set the symbol to this
2995 location in the .plt. This is required to make function
2996 pointers compare as equal between the normal executable and
8e45593f
NC
2997 the shared library. Skip this for FDPIC, since the
2998 function's address will be the address of the canonical
2999 function descriptor. */
3000 if (!htab->fdpic_p && !info->shared && !h->def_regular)
067653c5
AM
3001 {
3002 h->root.u.def.section = s;
3003 h->root.u.def.value = h->plt.offset;
3004 }
3005
3006 /* Make room for this entry. */
8e45593f
NC
3007 plt_info = htab->plt_info;
3008 if (plt_info->short_plt != NULL
3009 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
3010 plt_info = plt_info->short_plt;
3011 s->size += plt_info->symbol_entry_size;
067653c5
AM
3012
3013 /* We also need to make an entry in the .got.plt section, which
3014 will be placed in the .got section by the linker script. */
8e45593f
NC
3015 if (!htab->fdpic_p)
3016 htab->sgotplt->size += 4;
3017 else
3018 htab->sgotplt->size += 8;
067653c5
AM
3019
3020 /* We also need to make an entry in the .rel.plt section. */
eea6121a 3021 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
3022
3023 if (htab->vxworks_p && !info->shared)
3024 {
3025 /* VxWorks executables have a second set of relocations
3026 for each PLT entry. They go in a separate relocation
3027 section, which is processed by the kernel loader. */
3028
3029 /* There is a relocation for the initial PLT entry:
3030 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
3031 if (h->plt.offset == htab->plt_info->plt0_entry_size)
3032 htab->srelplt2->size += sizeof (Elf32_External_Rela);
3033
3034 /* There are two extra relocations for each subsequent
3035 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
3036 and an R_SH_DIR32 relocation for the PLT entry. */
3037 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
3038 }
067653c5
AM
3039 }
3040 else
3041 {
3042 h->plt.offset = (bfd_vma) -1;
f5385ebf 3043 h->needs_plt = 0;
067653c5
AM
3044 }
3045 }
3046 else
3047 {
3048 h->plt.offset = (bfd_vma) -1;
f5385ebf 3049 h->needs_plt = 0;
067653c5
AM
3050 }
3051
3052 if (h->got.refcount > 0)
3053 {
3054 asection *s;
b34976b6 3055 bfd_boolean dyn;
85e02784 3056 enum got_type got_type = sh_elf_hash_entry (h)->got_type;
067653c5
AM
3057
3058 /* Make sure this symbol is output as a dynamic symbol.
3059 Undefined weak syms won't yet be marked as dynamic. */
3060 if (h->dynindx == -1
f5385ebf 3061 && !h->forced_local)
067653c5 3062 {
c152c796 3063 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3064 return FALSE;
067653c5
AM
3065 }
3066
3067 s = htab->sgot;
eea6121a
AM
3068 h->got.offset = s->size;
3069 s->size += 4;
3376eaf5 3070 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
8e45593f 3071 if (got_type == GOT_TLS_GD)
eea6121a 3072 s->size += 4;
067653c5 3073 dyn = htab->root.dynamic_sections_created;
8e45593f
NC
3074 if (!dyn)
3075 {
3076 /* No dynamic relocations required. */
3077 if (htab->fdpic_p && !info->shared
3078 && h->root.type != bfd_link_hash_undefweak
3079 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
3080 htab->srofixup->size += 4;
3081 }
87458ed2
KK
3082 /* No dynamic relocations required when IE->LE conversion happens. */
3083 else if (got_type == GOT_TLS_IE && !h->def_dynamic && !info->shared)
3084 ;
267fb3c1 3085 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5 3086 R_SH_TLS_GD needs one if local symbol and two if global. */
8e45593f
NC
3087 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
3088 || got_type == GOT_TLS_IE)
eea6121a 3089 htab->srelgot->size += sizeof (Elf32_External_Rela);
8e45593f 3090 else if (got_type == GOT_TLS_GD)
eea6121a 3091 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
8e45593f
NC
3092 else if (got_type == GOT_FUNCDESC)
3093 {
3094 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3095 htab->srofixup->size += 4;
3096 else
3097 htab->srelgot->size += sizeof (Elf32_External_Rela);
3098 }
04e534c3
KK
3099 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3100 || h->root.type != bfd_link_hash_undefweak)
3101 && (info->shared
3102 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 3103 htab->srelgot->size += sizeof (Elf32_External_Rela);
8e45593f
NC
3104 else if (htab->fdpic_p && !info->shared && got_type == GOT_NORMAL
3105 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3106 || h->root.type != bfd_link_hash_undefweak))
3107 htab->srofixup->size += 4;
067653c5
AM
3108 }
3109 else
3110 h->got.offset = (bfd_vma) -1;
3111
396a6083
SC
3112#ifdef INCLUDE_SHMEDIA
3113 if (eh->datalabel_got.refcount > 0)
3114 {
3115 asection *s;
b34976b6 3116 bfd_boolean dyn;
396a6083
SC
3117
3118 /* Make sure this symbol is output as a dynamic symbol.
3119 Undefined weak syms won't yet be marked as dynamic. */
3120 if (h->dynindx == -1
f5385ebf 3121 && !h->forced_local)
396a6083 3122 {
c152c796 3123 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3124 return FALSE;
396a6083
SC
3125 }
3126
3127 s = htab->sgot;
eea6121a
AM
3128 eh->datalabel_got.offset = s->size;
3129 s->size += 4;
396a6083 3130 dyn = htab->root.dynamic_sections_created;
267fb3c1 3131 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 3132 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
3133 }
3134 else
3135 eh->datalabel_got.offset = (bfd_vma) -1;
3136#endif
3137
8e45593f
NC
3138 /* Allocate space for any dynamic relocations to function
3139 descriptors, canonical or otherwise. We need to relocate the
3140 reference unless it resolves to zero, which only happens for
3141 undefined weak symbols (either non-default visibility, or when
3142 static linking). Any GOT slot is accounted for elsewhere. */
3143 if (eh->abs_funcdesc_refcount > 0
3144 && (h->root.type != bfd_link_hash_undefweak
3145 || (htab->root.dynamic_sections_created
3146 && ! SYMBOL_CALLS_LOCAL (info, h))))
3147 {
3148 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3149 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
3150 else
3151 htab->srelgot->size
3152 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
3153 }
3154
3155 /* We must allocate a function descriptor if there are references to
3156 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
3157 the dynamic linker isn't going to allocate it. None of this
3158 applies if we already created one in .got.plt, but if the
3159 canonical function descriptor can be in this object, there
3160 won't be a PLT entry at all. */
3161 if ((eh->funcdesc.refcount > 0
3162 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
3163 && h->root.type != bfd_link_hash_undefweak
3164 && SYMBOL_FUNCDESC_LOCAL (info, h))
3165 {
3166 /* Make room for this function descriptor. */
3167 eh->funcdesc.offset = htab->sfuncdesc->size;
3168 htab->sfuncdesc->size += 8;
3169
3170 /* We will need a relocation or two fixups to initialize the
3171 function descriptor, so allocate those too. */
3172 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3173 htab->srofixup->size += 8;
3174 else
3175 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3176 }
3177
067653c5 3178 if (eh->dyn_relocs == NULL)
b34976b6 3179 return TRUE;
067653c5
AM
3180
3181 /* In the shared -Bsymbolic case, discard space allocated for
3182 dynamic pc-relative relocs against symbols which turn out to be
3183 defined in regular objects. For the normal shared case, discard
3184 space for pc-relative relocs that have become local due to symbol
3185 visibility changes. */
3186
3187 if (info->shared)
3188 {
3d85aebe 3189 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
3190 {
3191 struct elf_sh_dyn_relocs **pp;
3192
3193 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3194 {
3195 p->count -= p->pc_count;
3196 p->pc_count = 0;
3197 if (p->count == 0)
3198 *pp = p->next;
3199 else
3200 pp = &p->next;
3201 }
3202 }
04e534c3 3203
3348747a
NS
3204 if (htab->vxworks_p)
3205 {
3206 struct elf_sh_dyn_relocs **pp;
3207
3208 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3209 {
3210 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
3211 *pp = p->next;
3212 else
3213 pp = &p->next;
3214 }
3215 }
3216
04e534c3
KK
3217 /* Also discard relocs on undefined weak syms with non-default
3218 visibility. */
22d606e9 3219 if (eh->dyn_relocs != NULL
04e534c3 3220 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
3221 {
3222 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3223 eh->dyn_relocs = NULL;
3224
3225 /* Make sure undefined weak symbols are output as a dynamic
3226 symbol in PIEs. */
3227 else if (h->dynindx == -1
3228 && !h->forced_local)
3229 {
3230 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3231 return FALSE;
3232 }
3233 }
067653c5
AM
3234 }
3235 else
3236 {
3237 /* For the non-shared case, discard space for relocs against
3238 symbols which turn out to need copy relocs or are not
3239 dynamic. */
3240
f5385ebf
AM
3241 if (!h->non_got_ref
3242 && ((h->def_dynamic
3243 && !h->def_regular)
067653c5
AM
3244 || (htab->root.dynamic_sections_created
3245 && (h->root.type == bfd_link_hash_undefweak
3246 || h->root.type == bfd_link_hash_undefined))))
3247 {
3248 /* Make sure this symbol is output as a dynamic symbol.
3249 Undefined weak syms won't yet be marked as dynamic. */
3250 if (h->dynindx == -1
f5385ebf 3251 && !h->forced_local)
067653c5 3252 {
c152c796 3253 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3254 return FALSE;
067653c5
AM
3255 }
3256
3257 /* If that succeeded, we know we'll be keeping all the
3258 relocs. */
3259 if (h->dynindx != -1)
3260 goto keep;
3261 }
3262
3263 eh->dyn_relocs = NULL;
3264
3265 keep: ;
3266 }
3267
3268 /* Finally, allocate space. */
3269 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3270 {
3271 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 3272 sreloc->size += p->count * sizeof (Elf32_External_Rela);
8e45593f
NC
3273
3274 /* If we need relocations, we do not need fixups. */
3275 if (htab->fdpic_p && !info->shared)
3276 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5
AM
3277 }
3278
b34976b6 3279 return TRUE;
067653c5
AM
3280}
3281
3282/* Find any dynamic relocs that apply to read-only sections. */
3283
b34976b6 3284static bfd_boolean
09fd220b 3285readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
3286{
3287 struct elf_sh_link_hash_entry *eh;
3288 struct elf_sh_dyn_relocs *p;
3289
067653c5
AM
3290 eh = (struct elf_sh_link_hash_entry *) h;
3291 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3292 {
3293 asection *s = p->sec->output_section;
3294
3295 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3296 {
3297 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3298
3299 info->flags |= DF_TEXTREL;
3300
3301 /* Not an error, just cut short the traversal. */
b34976b6 3302 return FALSE;
067653c5
AM
3303 }
3304 }
b34976b6 3305 return TRUE;
067653c5
AM
3306}
3307
55e6e397
RS
3308/* This function is called after all the input files have been read,
3309 and the input sections have been assigned to output sections.
3310 It's a convenient place to determine the PLT style. */
3311
3312static bfd_boolean
3313sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3314{
3315 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
8e45593f
NC
3316
3317 if (sh_elf_hash_table (info)->fdpic_p && !info->relocatable)
3318 {
3319 struct elf_link_hash_entry *h;
3320
3321 /* Force a PT_GNU_STACK segment to be created. */
3322 if (! elf_tdata (output_bfd)->stack_flags)
3323 elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
3324
3325 /* Define __stacksize if it's not defined yet. */
3326 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3327 FALSE, FALSE, FALSE);
3328 if (! h || h->root.type != bfd_link_hash_defined
3329 || h->type != STT_OBJECT
3330 || !h->def_regular)
3331 {
3332 struct bfd_link_hash_entry *bh = NULL;
3333
3334 if (!(_bfd_generic_link_add_one_symbol
3335 (info, output_bfd, "__stacksize",
3336 BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
3337 (const char *) NULL, FALSE,
3338 get_elf_backend_data (output_bfd)->collect, &bh)))
3339 return FALSE;
3340
3341 h = (struct elf_link_hash_entry *) bh;
3342 h->def_regular = 1;
3343 h->type = STT_OBJECT;
3344 }
3345 }
3346 return TRUE;
3347}
3348
3349#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
3350
3351static bfd_boolean
3352sh_elf_modify_program_headers (bfd *output_bfd, struct bfd_link_info *info)
3353{
3354 struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
3355 struct elf_segment_map *m;
3356 Elf_Internal_Phdr *p;
3357
3358 /* objcopy and strip preserve what's already there using
3359 sh_elf_copy_private_bfd_data (). */
3360 if (! info)
3361 return TRUE;
3362
3363 for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
3364 if (m->p_type == PT_GNU_STACK)
3365 break;
3366
3367 if (m)
3368 {
3369 struct elf_link_hash_entry *h;
3370
3371 /* Obtain the pointer to the __stacksize symbol. */
3372 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3373 FALSE, FALSE, FALSE);
3374 if (h)
3375 {
3376 while (h->root.type == bfd_link_hash_indirect
3377 || h->root.type == bfd_link_hash_warning)
3378 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3379 BFD_ASSERT (h->root.type == bfd_link_hash_defined);
3380 }
3381
3382 /* Set the header p_memsz from the symbol value. We
3383 intentionally ignore the symbol section. */
3384 if (h && h->root.type == bfd_link_hash_defined)
3385 p->p_memsz = h->root.u.def.value;
3386 else
3387 p->p_memsz = DEFAULT_STACK_SIZE;
3388
3389 p->p_align = 8;
3390 }
3391
55e6e397
RS
3392 return TRUE;
3393}
3394
8e45593f
NC
3395#endif
3396
37c644f2
AO
3397/* Set the sizes of the dynamic sections. */
3398
b34976b6 3399static bfd_boolean
09fd220b
KK
3400sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3401 struct bfd_link_info *info)
37c644f2 3402{
067653c5 3403 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3404 bfd *dynobj;
3405 asection *s;
b34976b6 3406 bfd_boolean relocs;
067653c5 3407 bfd *ibfd;
37c644f2 3408
067653c5 3409 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
3410 if (htab == NULL)
3411 return FALSE;
3412
067653c5 3413 dynobj = htab->root.dynobj;
37c644f2
AO
3414 BFD_ASSERT (dynobj != NULL);
3415
067653c5 3416 if (htab->root.dynamic_sections_created)
37c644f2
AO
3417 {
3418 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 3419 if (info->executable)
37c644f2 3420 {
3d4d4302 3421 s = bfd_get_linker_section (dynobj, ".interp");
37c644f2 3422 BFD_ASSERT (s != NULL);
eea6121a 3423 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
3424 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3425 }
3426 }
37c644f2 3427
067653c5
AM
3428 /* Set up .got offsets for local syms, and space for local dynamic
3429 relocs. */
3430 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
37c644f2 3431 {
067653c5
AM
3432 bfd_signed_vma *local_got;
3433 bfd_signed_vma *end_local_got;
8e45593f
NC
3434 union gotref *local_funcdesc, *end_local_funcdesc;
3435 char *local_got_type;
067653c5
AM
3436 bfd_size_type locsymcount;
3437 Elf_Internal_Shdr *symtab_hdr;
3438 asection *srel;
37c644f2 3439
0ffa91dd 3440 if (! is_sh_elf (ibfd))
37c644f2
AO
3441 continue;
3442
067653c5 3443 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 3444 {
067653c5
AM
3445 struct elf_sh_dyn_relocs *p;
3446
3447 for (p = ((struct elf_sh_dyn_relocs *)
3448 elf_section_data (s)->local_dynrel);
3449 p != NULL;
3450 p = p->next)
37c644f2 3451 {
067653c5
AM
3452 if (! bfd_is_abs_section (p->sec)
3453 && bfd_is_abs_section (p->sec->output_section))
3454 {
3455 /* Input section has been discarded, either because
3456 it is a copy of a linkonce section or due to
3457 linker script /DISCARD/, so we'll be discarding
3458 the relocs too. */
3459 }
3348747a
NS
3460 else if (htab->vxworks_p
3461 && strcmp (p->sec->output_section->name,
3462 ".tls_vars") == 0)
3463 {
3464 /* Relocations in vxworks .tls_vars sections are
3465 handled specially by the loader. */
3466 }
067653c5
AM
3467 else if (p->count != 0)
3468 {
3469 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3470 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
3471 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3472 info->flags |= DF_TEXTREL;
8e45593f
NC
3473
3474 /* If we need relocations, we do not need fixups. */
3475 if (htab->fdpic_p && !info->shared)
3476 htab->srofixup->size -= 4 * (p->count - p->pc_count);
067653c5 3477 }
37c644f2
AO
3478 }
3479 }
067653c5 3480
0ffa91dd 3481 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
3482 locsymcount = symtab_hdr->sh_info;
3483#ifdef INCLUDE_SHMEDIA
3484 /* Count datalabel local GOT. */
3485 locsymcount *= 2;
3486#endif
067653c5
AM
3487 s = htab->sgot;
3488 srel = htab->srelgot;
8e45593f
NC
3489
3490 local_got = elf_local_got_refcounts (ibfd);
3491 if (local_got)
37c644f2 3492 {
8e45593f
NC
3493 end_local_got = local_got + locsymcount;
3494 local_got_type = sh_elf_local_got_type (ibfd);
3495 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3496 for (; local_got < end_local_got; ++local_got)
37c644f2 3497 {
8e45593f
NC
3498 if (*local_got > 0)
3499 {
3500 *local_got = s->size;
3501 s->size += 4;
3502 if (*local_got_type == GOT_TLS_GD)
3503 s->size += 4;
3504 if (info->shared)
3505 srel->size += sizeof (Elf32_External_Rela);
3506 else
3507 htab->srofixup->size += 4;
3508
3509 if (*local_got_type == GOT_FUNCDESC)
3510 {
3511 if (local_funcdesc == NULL)
3512 {
3513 bfd_size_type size;
3514
3515 size = locsymcount * sizeof (union gotref);
3516 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3517 size);
3518 if (local_funcdesc == NULL)
3519 return FALSE;
3520 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3521 local_funcdesc += (local_got
3522 - elf_local_got_refcounts (ibfd));
3523 }
3524 local_funcdesc->refcount++;
3525 ++local_funcdesc;
3526 }
3527 }
3528 else
3529 *local_got = (bfd_vma) -1;
3530 ++local_got_type;
3531 }
3532 }
3533
3534 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3535 if (local_funcdesc)
3536 {
3537 end_local_funcdesc = local_funcdesc + locsymcount;
3538
3539 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3540 {
3541 if (local_funcdesc->refcount > 0)
3542 {
3543 local_funcdesc->offset = htab->sfuncdesc->size;
3544 htab->sfuncdesc->size += 8;
3545 if (!info->shared)
3546 htab->srofixup->size += 8;
3547 else
3548 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3549 }
3550 else
3551 local_funcdesc->offset = MINUS_ONE;
37c644f2 3552 }
37c644f2 3553 }
8e45593f 3554
067653c5
AM
3555 }
3556
3376eaf5
KK
3557 if (htab->tls_ldm_got.refcount > 0)
3558 {
3559 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3560 relocs. */
eea6121a
AM
3561 htab->tls_ldm_got.offset = htab->sgot->size;
3562 htab->sgot->size += 8;
3563 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3564 }
3565 else
3566 htab->tls_ldm_got.offset = -1;
3567
8e45593f
NC
3568 /* Only the reserved entries should be present. For FDPIC, they go at
3569 the end of .got.plt. */
3570 if (htab->fdpic_p)
3571 {
3572 BFD_ASSERT (htab->sgotplt && htab->sgotplt->size == 12);
3573 htab->sgotplt->size = 0;
3574 }
3575
067653c5
AM
3576 /* Allocate global sym .plt and .got entries, and space for global
3577 sym dynamic relocs. */
09fd220b 3578 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5 3579
8e45593f
NC
3580 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3581 end of the FDPIC .got.plt. */
3582 if (htab->fdpic_p)
3583 {
3584 htab->root.hgot->root.u.def.value = htab->sgotplt->size;
3585 htab->sgotplt->size += 12;
3586 }
3587
3588 /* At the very end of the .rofixup section is a pointer to the GOT. */
3589 if (htab->fdpic_p && htab->srofixup != NULL)
3590 htab->srofixup->size += 4;
3591
067653c5
AM
3592 /* We now have determined the sizes of the various dynamic sections.
3593 Allocate memory for them. */
b34976b6 3594 relocs = FALSE;
067653c5
AM
3595 for (s = dynobj->sections; s != NULL; s = s->next)
3596 {
3597 if ((s->flags & SEC_LINKER_CREATED) == 0)
3598 continue;
3599
3600 if (s == htab->splt
3601 || s == htab->sgot
c456f082 3602 || s == htab->sgotplt
8e45593f
NC
3603 || s == htab->sfuncdesc
3604 || s == htab->srofixup
c456f082 3605 || s == htab->sdynbss)
067653c5
AM
3606 {
3607 /* Strip this section if we don't need it; see the
3608 comment below. */
3609 }
0112cd26 3610 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3611 {
55e6e397 3612 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3613 relocs = TRUE;
067653c5
AM
3614
3615 /* We use the reloc_count field as a counter if we need
3616 to copy relocs into the output file. */
3617 s->reloc_count = 0;
3618 }
3619 else
37c644f2
AO
3620 {
3621 /* It's not one of our sections, so don't allocate space. */
3622 continue;
3623 }
3624
eea6121a 3625 if (s->size == 0)
37c644f2 3626 {
067653c5
AM
3627 /* If we don't need this section, strip it from the
3628 output file. This is mostly to handle .rela.bss and
3629 .rela.plt. We must create both sections in
3630 create_dynamic_sections, because they must be created
3631 before the linker maps input sections to output
3632 sections. The linker does that before
3633 adjust_dynamic_symbol is called, and it is that
3634 function which decides whether anything needs to go
3635 into these sections. */
3636
8423293d 3637 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3638 continue;
3639 }
3640
c456f082
AM
3641 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3642 continue;
3643
067653c5
AM
3644 /* Allocate memory for the section contents. We use bfd_zalloc
3645 here in case unused entries are not reclaimed before the
3646 section's contents are written out. This should not happen,
3647 but this way if it does, we get a R_SH_NONE reloc instead
3648 of garbage. */
eea6121a 3649 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3650 if (s->contents == NULL)
b34976b6 3651 return FALSE;
37c644f2
AO
3652 }
3653
067653c5 3654 if (htab->root.dynamic_sections_created)
37c644f2
AO
3655 {
3656 /* Add some entries to the .dynamic section. We fill in the
3657 values later, in sh_elf_finish_dynamic_sections, but we
3658 must add the entries now so that we get the correct size for
3659 the .dynamic section. The DT_DEBUG entry is filled in by the
3660 dynamic linker and used by the debugger. */
dc810e39 3661#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3662 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3663
2558b9a9 3664 if (info->executable)
37c644f2 3665 {
067653c5 3666 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3667 return FALSE;
37c644f2
AO
3668 }
3669
eea6121a 3670 if (htab->splt->size != 0)
37c644f2 3671 {
067653c5
AM
3672 if (! add_dynamic_entry (DT_PLTGOT, 0)
3673 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3674 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3675 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3676 return FALSE;
37c644f2 3677 }
8e45593f
NC
3678 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC)
3679 && htab->sgot->size != 0)
3680 {
3681 if (! add_dynamic_entry (DT_PLTGOT, 0))
3682 return FALSE;
3683 }
37c644f2
AO
3684
3685 if (relocs)
3686 {
067653c5
AM
3687 if (! add_dynamic_entry (DT_RELA, 0)
3688 || ! add_dynamic_entry (DT_RELASZ, 0)
3689 || ! add_dynamic_entry (DT_RELAENT,
3690 sizeof (Elf32_External_Rela)))
b34976b6 3691 return FALSE;
37c644f2 3692
067653c5
AM
3693 /* If any dynamic relocs apply to a read-only section,
3694 then we need a DT_TEXTREL entry. */
3695 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3696 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3697
3698 if ((info->flags & DF_TEXTREL) != 0)
3699 {
3700 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3701 return FALSE;
067653c5 3702 }
37c644f2 3703 }
7a2b07ff
NS
3704 if (htab->vxworks_p
3705 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3706 return FALSE;
37c644f2 3707 }
dc810e39 3708#undef add_dynamic_entry
37c644f2 3709
b34976b6 3710 return TRUE;
37c644f2 3711}
37c644f2 3712\f
8e45593f 3713/* Add a dynamic relocation to the SRELOC section. */
37c644f2 3714
8e45593f
NC
3715inline static bfd_vma
3716sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3717 int reloc_type, long dynindx, bfd_vma addend)
37c644f2 3718{
8e45593f
NC
3719 Elf_Internal_Rela outrel;
3720 bfd_vma reloc_offset;
37c644f2 3721
8e45593f
NC
3722 outrel.r_offset = offset;
3723 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3724 outrel.r_addend = addend;
0ffa91dd 3725
8e45593f
NC
3726 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3727 BFD_ASSERT (reloc_offset < sreloc->size);
3728 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3729 sreloc->contents + reloc_offset);
3730 sreloc->reloc_count++;
37c644f2 3731
8e45593f
NC
3732 return reloc_offset;
3733}
37c644f2 3734
8e45593f 3735/* Add an FDPIC read-only fixup. */
37c644f2 3736
8e45593f
NC
3737inline static void
3738sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3739{
3740 bfd_vma fixup_offset;
3741
3742 fixup_offset = srofixup->reloc_count++ * 4;
3743 BFD_ASSERT (fixup_offset < srofixup->size);
3744 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3745}
3746
3747/* Return the offset of the generated .got section from the
3748 _GLOBAL_OFFSET_TABLE_ symbol. */
3749
3750static bfd_signed_vma
3751sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3752{
3753 return (htab->sgot->output_offset - htab->sgotplt->output_offset
3754 - htab->root.hgot->root.u.def.value);
3755}
3756
3757/* Find the segment number in which OSEC, and output section, is
3758 located. */
3759
3760static unsigned
3761sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3762{
3d301fdc
AM
3763 Elf_Internal_Phdr *p = NULL;
3764
3765 if (output_bfd->xvec->flavour == bfd_target_elf_flavour)
3766 p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
8e45593f
NC
3767
3768 /* FIXME: Nothing ever says what this index is relative to. The kernel
3769 supplies data in terms of the number of load segments but this is
3770 a phdr index and the first phdr may not be a load segment. */
3771 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3772}
3773
3774static bfd_boolean
3775sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3776{
3777 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3778
3d301fdc
AM
3779 return (seg != (unsigned) -1
3780 && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
8e45593f
NC
3781}
3782
3783/* Generate the initial contents of a local function descriptor, along
3784 with any relocations or fixups required. */
3785static bfd_boolean
3786sh_elf_initialize_funcdesc (bfd *output_bfd,
3787 struct bfd_link_info *info,
3788 struct elf_link_hash_entry *h,
3789 bfd_vma offset,
3790 asection *section,
3791 bfd_vma value)
3792{
3793 struct elf_sh_link_hash_table *htab;
3794 int dynindx;
3795 bfd_vma addr, seg;
3796
3797 htab = sh_elf_hash_table (info);
3798
3799 /* FIXME: The ABI says that the offset to the function goes in the
3800 descriptor, along with the segment index. We're RELA, so it could
3801 go in the reloc instead... */
3802
3803 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3804 {
3805 section = h->root.u.def.section;
3806 value = h->root.u.def.value;
3807 }
3808
3809 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3810 {
3811 dynindx = elf_section_data (section->output_section)->dynindx;
3812 addr = value + section->output_offset;
3813 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3814 }
3815 else
3816 {
3817 BFD_ASSERT (h->dynindx != -1);
3818 dynindx = h->dynindx;
3819 addr = seg = 0;
3820 }
3821
3822 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3823 {
3824 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3825 {
3826 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3827 offset
3828 + htab->sfuncdesc->output_section->vma
3829 + htab->sfuncdesc->output_offset);
3830 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3831 offset + 4
3832 + htab->sfuncdesc->output_section->vma
3833 + htab->sfuncdesc->output_offset);
3834 }
3835
3836 /* There are no dynamic relocations so fill in the final
3837 address and gp value (barring fixups). */
3838 addr += section->output_section->vma;
3839 seg = htab->root.hgot->root.u.def.value
3840 + htab->root.hgot->root.u.def.section->output_section->vma
3841 + htab->root.hgot->root.u.def.section->output_offset;
3842 }
3843 else
3844 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3845 offset
3846 + htab->sfuncdesc->output_section->vma
3847 + htab->sfuncdesc->output_offset,
3848 R_SH_FUNCDESC_VALUE, dynindx, 0);
3849
3850 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3851 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3852
3853 return TRUE;
3854}
3855
3856/* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3857 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3858 otherwise. */
3859
3860static bfd_reloc_status_type
3861install_movi20_field (bfd *output_bfd, unsigned long relocation,
3862 bfd *input_bfd, asection *input_section,
3863 bfd_byte *contents, bfd_vma offset)
3864{
3865 unsigned long cur_val;
3866 bfd_byte *addr;
3867 bfd_reloc_status_type r;
3868
3869 if (offset > bfd_get_section_limit (input_bfd, input_section))
3870 return bfd_reloc_outofrange;
3871
3872 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3873 bfd_arch_bits_per_address (input_bfd), relocation);
3874 if (r != bfd_reloc_ok)
3875 return r;
3876
3877 addr = contents + offset;
3878 cur_val = bfd_get_16 (output_bfd, addr);
3879 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3880 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3881
3882 return bfd_reloc_ok;
3883}
3884
3885/* Relocate an SH ELF section. */
3886
3887static bfd_boolean
3888sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3889 bfd *input_bfd, asection *input_section,
3890 bfd_byte *contents, Elf_Internal_Rela *relocs,
3891 Elf_Internal_Sym *local_syms,
3892 asection **local_sections)
3893{
3894 struct elf_sh_link_hash_table *htab;
3895 Elf_Internal_Shdr *symtab_hdr;
3896 struct elf_link_hash_entry **sym_hashes;
3897 Elf_Internal_Rela *rel, *relend;
e0af1f53 3898 bfd *dynobj = NULL;
8e45593f 3899 bfd_vma *local_got_offsets;
e0af1f53
MR
3900 asection *sgot = NULL;
3901 asection *sgotplt = NULL;
3902 asection *splt = NULL;
3903 asection *sreloc = NULL;
3904 asection *srelgot = NULL;
8e45593f
NC
3905 bfd_boolean is_vxworks_tls;
3906 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
e0af1f53 3907 bfd_boolean fdpic_p = FALSE;
8e45593f
NC
3908
3909 BFD_ASSERT (is_sh_elf (input_bfd));
3910
3911 htab = sh_elf_hash_table (info);
e0af1f53
MR
3912 if (htab != NULL)
3913 {
3914 dynobj = htab->root.dynobj;
3915 sgot = htab->sgot;
3916 sgotplt = htab->sgotplt;
3917 splt = htab->splt;
3918 fdpic_p = htab->fdpic_p;
3919 }
8e45593f
NC
3920 symtab_hdr = &elf_symtab_hdr (input_bfd);
3921 sym_hashes = elf_sym_hashes (input_bfd);
8e45593f
NC
3922 local_got_offsets = elf_local_got_offsets (input_bfd);
3923
3924 isec_segment = sh_elf_osec_to_segment (output_bfd,
3925 input_section->output_section);
e0af1f53 3926 if (fdpic_p && sgot)
8e45593f 3927 got_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3928 sgot->output_section);
8e45593f
NC
3929 else
3930 got_segment = -1;
e0af1f53 3931 if (fdpic_p && splt)
8e45593f 3932 plt_segment = sh_elf_osec_to_segment (output_bfd,
e0af1f53 3933 splt->output_section);
8e45593f
NC
3934 else
3935 plt_segment = -1;
3936
8e45593f
NC
3937 /* We have to handle relocations in vxworks .tls_vars sections
3938 specially, because the dynamic loader is 'weird'. */
e0af1f53 3939 is_vxworks_tls = (htab && htab->vxworks_p && info->shared
8e45593f
NC
3940 && !strcmp (input_section->output_section->name,
3941 ".tls_vars"));
3942
3943 rel = relocs;
3944 relend = relocs + input_section->reloc_count;
3945 for (; rel < relend; rel++)
3946 {
3947 int r_type;
3948 reloc_howto_type *howto;
3949 unsigned long r_symndx;
3950 Elf_Internal_Sym *sym;
3951 asection *sec;
3952 struct elf_link_hash_entry *h;
3953 bfd_vma relocation;
3954 bfd_vma addend = (bfd_vma) 0;
3955 bfd_reloc_status_type r;
3956 int seen_stt_datalabel = 0;
3957 bfd_vma off;
85e02784 3958 enum got_type got_type;
8e45593f
NC
3959 const char *symname = NULL;
3960
3961 r_symndx = ELF32_R_SYM (rel->r_info);
37c644f2 3962
37c644f2
AO
3963 r_type = ELF32_R_TYPE (rel->r_info);
3964
3965 /* Many of the relocs are only used for relaxing, and are
067653c5 3966 handled entirely by the relaxation code. */
d38eb334
DD
3967 if (r_type >= (int) R_SH_GNU_VTINHERIT
3968 && r_type <= (int) R_SH_LABEL)
37c644f2 3969 continue;
c5aeb40f
AO
3970 if (r_type == (int) R_SH_NONE)
3971 continue;
37c644f2
AO
3972
3973 if (r_type < 0
3974 || r_type >= R_SH_max
3975 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3976 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
8e45593f
NC
3977 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3978 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
fbca6ad9
AO
3979 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3980 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3981 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3982 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3983 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3984 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
8e45593f
NC
3985 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
3986 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
37c644f2
AO
3987 {
3988 bfd_set_error (bfd_error_bad_value);
b34976b6 3989 return FALSE;
37c644f2
AO
3990 }
3991
55e6e397 3992 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3993
146be91a 3994 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3995 the relocation. */
146be91a
HPN
3996 if (! howto->partial_inplace)
3997 addend = rel->r_addend;
3998
37c644f2
AO
3999 h = NULL;
4000 sym = NULL;
4001 sec = NULL;
8e45593f
NC
4002 check_segment[0] = -1;
4003 check_segment[1] = -1;
37c644f2
AO
4004 if (r_symndx < symtab_hdr->sh_info)
4005 {
4006 sym = local_syms + r_symndx;
4007 sec = local_sections[r_symndx];
8e45593f
NC
4008
4009 symname = bfd_elf_string_from_elf_section
4010 (input_bfd, symtab_hdr->sh_link, sym->st_name);
4011 if (symname == NULL || *symname == '\0')
4012 symname = bfd_section_name (input_bfd, sec);
4013
37c644f2
AO
4014 relocation = (sec->output_section->vma
4015 + sec->output_offset
4016 + sym->st_value);
fbca6ad9
AO
4017 /* A local symbol never has STO_SH5_ISA32, so we don't need
4018 datalabel processing here. Make sure this does not change
4019 without notice. */
4020 if ((sym->st_other & STO_SH5_ISA32) != 0)
4021 ((*info->callbacks->reloc_dangerous)
4022 (info,
4023 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4024 input_bfd, input_section, rel->r_offset));
ab96bf03 4025
dbaa2011 4026 if (sec != NULL && discarded_section (sec))
ab96bf03
AM
4027 /* Handled below. */
4028 ;
4029 else if (info->relocatable)
8a3975e6 4030 {
1049f94e 4031 /* This is a relocatable link. We don't have to change
8a3975e6
AO
4032 anything, unless the reloc is against a section symbol,
4033 in which case we have to adjust according to where the
4034 section symbol winds up in the output section. */
8a3975e6 4035 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
4036 {
4037 if (! howto->partial_inplace)
4038 {
4039 /* For relocations with the addend in the
4040 relocation, we need just to update the addend.
4041 All real relocs are of type partial_inplace; this
4042 code is mostly for completeness. */
ab96bf03 4043 rel->r_addend += sec->output_offset;
146be91a
HPN
4044
4045 continue;
4046 }
4047
4048 /* Relocs of type partial_inplace need to pick up the
4049 contents in the contents and add the offset resulting
4050 from the changed location of the section symbol.
4051 Using _bfd_final_link_relocate (e.g. goto
4052 final_link_relocate) here would be wrong, because
4053 relocations marked pc_relative would get the current
4054 location subtracted, and we must only do that at the
4055 final link. */
4056 r = _bfd_relocate_contents (howto, input_bfd,
4057 sec->output_offset
4058 + sym->st_value,
4059 contents + rel->r_offset);
4060 goto relocation_done;
4061 }
8a3975e6
AO
4062
4063 continue;
4064 }
f8df10f4
JJ
4065 else if (! howto->partial_inplace)
4066 {
8517fae7 4067 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
4068 addend = rel->r_addend;
4069 }
4070 else if ((sec->flags & SEC_MERGE)
4071 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4072 {
4073 asection *msec;
4074
4075 if (howto->rightshift || howto->src_mask != 0xffffffff)
4076 {
4077 (*_bfd_error_handler)
d003868e
AM
4078 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4079 input_bfd, input_section,
f8df10f4 4080 (long) rel->r_offset, howto->name);
b34976b6 4081 return FALSE;
f8df10f4
JJ
4082 }
4083
067653c5
AM
4084 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4085 msec = sec;
4086 addend =
c629eae0 4087 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
4088 - relocation;
4089 addend += msec->output_section->vma + msec->output_offset;
4090 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4091 addend = 0;
4092 }
37c644f2
AO
4093 }
4094 else
4095 {
560e09e9
NC
4096 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4097
ab96bf03 4098 relocation = 0;
37c644f2 4099 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
8e45593f 4100 symname = h->root.root.string;
37c644f2
AO
4101 while (h->root.type == bfd_link_hash_indirect
4102 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
4103 {
4104#ifdef INCLUDE_SHMEDIA
4105 /* If the reference passes a symbol marked with
4106 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4107 doesn't count. */
4108 seen_stt_datalabel |= h->type == STT_DATALABEL;
4109#endif
4110 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4111 }
37c644f2
AO
4112 if (h->root.type == bfd_link_hash_defined
4113 || h->root.type == bfd_link_hash_defweak)
4114 {
b34976b6 4115 bfd_boolean dyn;
067653c5 4116
e0af1f53 4117 dyn = htab ? htab->root.dynamic_sections_created : FALSE;
37c644f2
AO
4118 sec = h->root.u.def.section;
4119 /* In these cases, we don't need the relocation value.
4120 We check specially because in some obscure cases
435b1e90 4121 sec->output_section will be NULL. */
37c644f2 4122 if (r_type == R_SH_GOTPC
fbca6ad9
AO
4123 || r_type == R_SH_GOTPC_LOW16
4124 || r_type == R_SH_GOTPC_MEDLOW16
4125 || r_type == R_SH_GOTPC_MEDHI16
4126 || r_type == R_SH_GOTPC_HI16
4127 || ((r_type == R_SH_PLT32
4128 || r_type == R_SH_PLT_LOW16
4129 || r_type == R_SH_PLT_MEDLOW16
4130 || r_type == R_SH_PLT_MEDHI16
4131 || r_type == R_SH_PLT_HI16)
37c644f2 4132 && h->plt.offset != (bfd_vma) -1)
fbca6ad9 4133 || ((r_type == R_SH_GOT32
8e45593f
NC
4134 || r_type == R_SH_GOT20
4135 || r_type == R_SH_GOTFUNCDESC
4136 || r_type == R_SH_GOTFUNCDESC20
4137 || r_type == R_SH_GOTOFFFUNCDESC
4138 || r_type == R_SH_GOTOFFFUNCDESC20
4139 || r_type == R_SH_FUNCDESC
fbca6ad9
AO
4140 || r_type == R_SH_GOT_LOW16
4141 || r_type == R_SH_GOT_MEDLOW16
4142 || r_type == R_SH_GOT_MEDHI16
4143 || r_type == R_SH_GOT_HI16)
267fb3c1 4144 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
4145 && (! info->shared
4146 || (! info->symbolic && h->dynindx != -1)
f5385ebf 4147 || !h->def_regular))
37c644f2
AO
4148 /* The cases above are those in which relocation is
4149 overwritten in the switch block below. The cases
4150 below are those in which we must defer relocation
4151 to run-time, because we can't resolve absolute
4152 addresses when creating a shared library. */
4153 || (info->shared
4154 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 4155 || !h->def_regular)
37c644f2 4156 && ((r_type == R_SH_DIR32
f5385ebf 4157 && !h->forced_local)
f50ad433
KK
4158 || (r_type == R_SH_REL32
4159 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4160 && ((input_section->flags & SEC_ALLOC) != 0
4161 /* DWARF will emit R_SH_DIR32 relocations in its
4162 sections against symbols defined externally
4163 in shared libraries. We can't do anything
4164 with them here. */
067653c5 4165 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4166 && h->def_dynamic)))
1448fa32
KK
4167 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4168 sections because such sections are not SEC_ALLOC and
4169 thus ld.so will not process them. */
4170 || (sec->output_section == NULL
4171 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 4172 && h->def_dynamic))
3376eaf5 4173 || (sec->output_section == NULL
8e45593f
NC
4174 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
4175 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
ab96bf03
AM
4176 ;
4177 else if (sec->output_section != NULL)
4178 relocation = ((h->root.u.def.value
4179 + sec->output_section->vma
4180 + sec->output_offset)
4181 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4182 symbol value, unless we've seen
4183 STT_DATALABEL on the way to it. */
4184 | ((h->other & STO_SH5_ISA32) != 0
4185 && ! seen_stt_datalabel));
1d5316ab
AM
4186 else if (!info->relocatable
4187 && (_bfd_elf_section_offset (output_bfd, info,
4188 input_section,
4189 rel->r_offset)
4190 != (bfd_vma) -1))
37c644f2
AO
4191 {
4192 (*_bfd_error_handler)
843fe662
L
4193 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4194 input_bfd,
4195 input_section,
4196 (long) rel->r_offset,
4197 howto->name,
4198 h->root.root.string);
b34976b6 4199 return FALSE;
37c644f2 4200 }
37c644f2
AO
4201 }
4202 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 4203 ;
59c2e50f 4204 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 4205 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
4206 ;
4207 else if (!info->relocatable)
37c644f2 4208 {
560e09e9
NC
4209 if (! info->callbacks->undefined_symbol
4210 (info, h->root.root.string, input_bfd,
4211 input_section, rel->r_offset,
59c2e50f 4212 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 4213 || ELF_ST_VISIBILITY (h->other))))
b34976b6 4214 return FALSE;
37c644f2
AO
4215 }
4216 }
4217
dbaa2011 4218 if (sec != NULL && discarded_section (sec))
e4067dbb 4219 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 4220 rel, 1, relend, howto, 0, contents);
ab96bf03
AM
4221
4222 if (info->relocatable)
4223 continue;
4224
8e45593f
NC
4225 /* Check for inter-segment relocations in FDPIC files. Most
4226 relocations connect the relocation site to the location of
4227 the target symbol, but there are some exceptions below. */
4228 check_segment[0] = isec_segment;
4229 if (sec != NULL)
4230 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
4231 sec->output_section);
4232 else
4233 check_segment[1] = -1;
4234
435b1e90 4235 switch ((int) r_type)
37c644f2
AO
4236 {
4237 final_link_relocate:
4238 /* COFF relocs don't use the addend. The addend is used for
435b1e90 4239 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
4240 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4241 contents, rel->r_offset,
4242 relocation, addend);
4243 break;
4244
4245 case R_SH_IND12W:
cd6ec716
DD
4246 goto final_link_relocate;
4247
37c644f2
AO
4248 case R_SH_DIR8WPN:
4249 case R_SH_DIR8WPZ:
4250 case R_SH_DIR8WPL:
cd6ec716
DD
4251 /* If the reloc is against the start of this section, then
4252 the assembler has already taken care of it and the reloc
4253 is here only to assist in relaxing. If the reloc is not
4254 against the start of this section, then it's against an
4255 external symbol and we must deal with it ourselves. */
4256 if (input_section->output_section->vma + input_section->output_offset
4257 != relocation)
4258 {
4259 int disp = (relocation
4260 - input_section->output_section->vma
4261 - input_section->output_offset
4262 - rel->r_offset);
4263 int mask = 0;
4264 switch (r_type)
4265 {
4266 case R_SH_DIR8WPN:
4267 case R_SH_DIR8WPZ: mask = 1; break;
4268 case R_SH_DIR8WPL: mask = 3; break;
4269 default: mask = 0; break;
4270 }
4271 if (disp & mask)
4272 {
4273 ((*_bfd_error_handler)
d003868e
AM
4274 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4275 input_section->owner,
cd6ec716
DD
4276 (unsigned long) rel->r_offset));
4277 bfd_set_error (bfd_error_bad_value);
b34976b6 4278 return FALSE;
cd6ec716
DD
4279 }
4280 relocation -= 4;
4281 goto final_link_relocate;
4282 }
4283 r = bfd_reloc_ok;
4284 break;
37c644f2
AO
4285
4286 default:
fbca6ad9
AO
4287#ifdef INCLUDE_SHMEDIA
4288 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4289 contents, rel, &relocation))
4290 goto final_link_relocate;
4291#endif
37c644f2 4292 bfd_set_error (bfd_error_bad_value);
b34976b6 4293 return FALSE;
37c644f2 4294
d38eb334
DD
4295 case R_SH_DIR16:
4296 case R_SH_DIR8:
4297 case R_SH_DIR8U:
4298 case R_SH_DIR8S:
4299 case R_SH_DIR4U:
4300 goto final_link_relocate;
4301
4302 case R_SH_DIR8UL:
4303 case R_SH_DIR4UL:
4304 if (relocation & 3)
4305 {
4306 ((*_bfd_error_handler)
d003868e
AM
4307 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4308 input_section->owner,
d38eb334 4309 (unsigned long) rel->r_offset, howto->name,
d003868e 4310 (unsigned long) relocation));
d38eb334
DD
4311 bfd_set_error (bfd_error_bad_value);
4312 return FALSE;
4313 }
4314 goto final_link_relocate;
4315
4316 case R_SH_DIR8UW:
4317 case R_SH_DIR8SW:
4318 case R_SH_DIR4UW:
4319 if (relocation & 1)
4320 {
4321 ((*_bfd_error_handler)
d003868e
AM
4322 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4323 input_section->owner,
d38eb334 4324 (unsigned long) rel->r_offset, howto->name,
d003868e 4325 (unsigned long) relocation));
d38eb334
DD
4326 bfd_set_error (bfd_error_bad_value);
4327 return FALSE;
4328 }
4329 goto final_link_relocate;
4330
4331 case R_SH_PSHA:
4332 if ((signed int)relocation < -32
4333 || (signed int)relocation > 32)
4334 {
4335 ((*_bfd_error_handler)
d003868e
AM
4336 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4337 input_section->owner,
d38eb334 4338 (unsigned long) rel->r_offset,
d003868e 4339 (unsigned long) relocation));
d38eb334
DD
4340 bfd_set_error (bfd_error_bad_value);
4341 return FALSE;
4342 }
4343 goto final_link_relocate;
4344
4345 case R_SH_PSHL:
4346 if ((signed int)relocation < -16
4347 || (signed int)relocation > 16)
4348 {
4349 ((*_bfd_error_handler)
d003868e
AM
4350 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4351 input_section->owner,
d38eb334 4352 (unsigned long) rel->r_offset,
d003868e 4353 (unsigned long) relocation));
d38eb334
DD
4354 bfd_set_error (bfd_error_bad_value);
4355 return FALSE;
4356 }
4357 goto final_link_relocate;
4358
37c644f2
AO
4359 case R_SH_DIR32:
4360 case R_SH_REL32:
46e993b9
KK
4361#ifdef INCLUDE_SHMEDIA
4362 case R_SH_IMM_LOW16_PCREL:
4363 case R_SH_IMM_MEDLOW16_PCREL:
4364 case R_SH_IMM_MEDHI16_PCREL:
4365 case R_SH_IMM_HI16_PCREL:
4366#endif
37c644f2 4367 if (info->shared
04e534c3
KK
4368 && (h == NULL
4369 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4370 || h->root.type != bfd_link_hash_undefweak)
cf35638d 4371 && r_symndx != STN_UNDEF
37c644f2 4372 && (input_section->flags & SEC_ALLOC) != 0
3348747a 4373 && !is_vxworks_tls
46e993b9 4374 && (r_type == R_SH_DIR32
3d85aebe 4375 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
4376 {
4377 Elf_Internal_Rela outrel;
947216bf 4378 bfd_byte *loc;
b34976b6 4379 bfd_boolean skip, relocate;
37c644f2
AO
4380
4381 /* When generating a shared object, these relocations
4382 are copied into the output file to be resolved at run
4383 time. */
4384
4385 if (sreloc == NULL)
4386 {
83bac4b0
NC
4387 sreloc = _bfd_elf_get_dynamic_reloc_section
4388 (input_bfd, input_section, /*rela?*/ TRUE);
4389 if (sreloc == NULL)
b34976b6 4390 return FALSE;
37c644f2
AO
4391 }
4392
b34976b6
AM
4393 skip = FALSE;
4394 relocate = FALSE;
37c644f2 4395
c629eae0
JJ
4396 outrel.r_offset =
4397 _bfd_elf_section_offset (output_bfd, info, input_section,
4398 rel->r_offset);
4399 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 4400 skip = TRUE;
0bb2d96a 4401 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 4402 skip = TRUE, relocate = TRUE;
37c644f2
AO
4403 outrel.r_offset += (input_section->output_section->vma
4404 + input_section->output_offset);
4405
4406 if (skip)
0bb2d96a 4407 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
4408 else if (r_type == R_SH_REL32)
4409 {
4410 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 4411 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 4412 outrel.r_addend
55e6e397
RS
4413 = (howto->partial_inplace
4414 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4415 : addend);
37c644f2 4416 }
46e993b9
KK
4417#ifdef INCLUDE_SHMEDIA
4418 else if (r_type == R_SH_IMM_LOW16_PCREL
4419 || r_type == R_SH_IMM_MEDLOW16_PCREL
4420 || r_type == R_SH_IMM_MEDHI16_PCREL
4421 || r_type == R_SH_IMM_HI16_PCREL)
4422 {
4423 BFD_ASSERT (h != NULL && h->dynindx != -1);
4424 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4425 outrel.r_addend = addend;
4426 }
4427#endif
e0af1f53 4428 else if (fdpic_p
8e45593f
NC
4429 && (h == NULL
4430 || ((info->symbolic || h->dynindx == -1)
4431 && h->def_regular)))
4432 {
4433 int dynindx;
4434
4435 BFD_ASSERT (sec != NULL);
4436 BFD_ASSERT (sec->output_section != NULL);
4437 dynindx = elf_section_data (sec->output_section)->dynindx;
4438 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4439 outrel.r_addend = relocation;
4440 outrel.r_addend
4441 += (howto->partial_inplace
4442 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4443 : addend);
4444 outrel.r_addend -= sec->output_section->vma;
4445 }
37c644f2
AO
4446 else
4447 {
4448 /* h->dynindx may be -1 if this symbol was marked to
4449 become local. */
4450 if (h == NULL
4451 || ((info->symbolic || h->dynindx == -1)
f5385ebf 4452 && h->def_regular))
37c644f2 4453 {
55e6e397 4454 relocate = howto->partial_inplace;
37c644f2 4455 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
4456 }
4457 else
4458 {
4459 BFD_ASSERT (h->dynindx != -1);
37c644f2 4460 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 4461 }
55e6e397
RS
4462 outrel.r_addend = relocation;
4463 outrel.r_addend
4464 += (howto->partial_inplace
4465 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4466 : addend);
37c644f2
AO
4467 }
4468
947216bf
AM
4469 loc = sreloc->contents;
4470 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4471 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4472
8e45593f
NC
4473 check_segment[0] = check_segment[1] = -1;
4474
37c644f2
AO
4475 /* If this reloc is against an external symbol, we do
4476 not want to fiddle with the addend. Otherwise, we
4477 need to include the symbol value so that it becomes
4478 an addend for the dynamic reloc. */
4479 if (! relocate)
4480 continue;
4481 }
e0af1f53 4482 else if (fdpic_p && !info->shared
8e45593f
NC
4483 && r_type == R_SH_DIR32
4484 && (input_section->flags & SEC_ALLOC) != 0)
4485 {
4486 bfd_vma offset;
4487
e0af1f53
MR
4488 BFD_ASSERT (htab);
4489
8e45593f
NC
4490 if (sh_elf_osec_readonly_p (output_bfd,
4491 input_section->output_section))
4492 {
4493 (*_bfd_error_handler)
4494 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4495 input_bfd,
4496 input_section,
4497 (long) rel->r_offset,
4498 symname);
4499 return FALSE;
4500 }
4501
4502 offset = _bfd_elf_section_offset (output_bfd, info,
4503 input_section, rel->r_offset);
4504 if (offset != (bfd_vma)-1)
4505 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4506 input_section->output_section->vma
4507 + input_section->output_offset
4508 + rel->r_offset);
4509
4510 check_segment[0] = check_segment[1] = -1;
4511 }
37c644f2
AO
4512 goto final_link_relocate;
4513
fbca6ad9
AO
4514 case R_SH_GOTPLT32:
4515#ifdef INCLUDE_SHMEDIA
4516 case R_SH_GOTPLT_LOW16:
4517 case R_SH_GOTPLT_MEDLOW16:
4518 case R_SH_GOTPLT_MEDHI16:
4519 case R_SH_GOTPLT_HI16:
4520 case R_SH_GOTPLT10BY4:
4521 case R_SH_GOTPLT10BY8:
4522#endif
4523 /* Relocation is to the entry for this symbol in the
4524 procedure linkage table. */
4525
4526 if (h == NULL
f5385ebf 4527 || h->forced_local
fbca6ad9
AO
4528 || ! info->shared
4529 || info->symbolic
4530 || h->dynindx == -1
4531 || h->plt.offset == (bfd_vma) -1
4532 || h->got.offset != (bfd_vma) -1)
4533 goto force_got;
4534
4535 /* Relocation is to the entry for this symbol in the global
4536 offset table extension for the procedure linkage table. */
fbca6ad9 4537
e0af1f53 4538 BFD_ASSERT (htab);
067653c5 4539 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 4540 relocation = (sgotplt->output_offset
55e6e397
RS
4541 + (get_plt_index (htab->plt_info, h->plt.offset)
4542 + 3) * 4);
fbca6ad9
AO
4543
4544#ifdef GOT_BIAS
4545 relocation -= GOT_BIAS;
4546#endif
4547
4548 goto final_link_relocate;
4549
4550 force_got:
37c644f2 4551 case R_SH_GOT32:
8e45593f 4552 case R_SH_GOT20:
fbca6ad9
AO
4553#ifdef INCLUDE_SHMEDIA
4554 case R_SH_GOT_LOW16:
4555 case R_SH_GOT_MEDLOW16:
4556 case R_SH_GOT_MEDHI16:
4557 case R_SH_GOT_HI16:
4558 case R_SH_GOT10BY4:
4559 case R_SH_GOT10BY8:
4560#endif
37c644f2
AO
4561 /* Relocation is to the entry for this symbol in the global
4562 offset table. */
067653c5 4563
e0af1f53 4564 BFD_ASSERT (htab);
067653c5 4565 BFD_ASSERT (sgot != NULL);
8e45593f 4566 check_segment[0] = check_segment[1] = -1;
37c644f2
AO
4567
4568 if (h != NULL)
4569 {
b34976b6 4570 bfd_boolean dyn;
37c644f2
AO
4571
4572 off = h->got.offset;
fbca6ad9
AO
4573#ifdef INCLUDE_SHMEDIA
4574 if (seen_stt_datalabel)
4575 {
4576 struct elf_sh_link_hash_entry *hsh;
4577
4578 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4579 off = hsh->datalabel_got.offset;
fbca6ad9
AO
4580 }
4581#endif
37c644f2
AO
4582 BFD_ASSERT (off != (bfd_vma) -1);
4583
067653c5 4584 dyn = htab->root.dynamic_sections_created;
267fb3c1 4585 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 4586 || (info->shared
3d85aebe 4587 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
4588 || (ELF_ST_VISIBILITY (h->other)
4589 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
4590 {
4591 /* This is actually a static link, or it is a
4592 -Bsymbolic link and the symbol is defined
4593 locally, or the symbol was forced to be local
4594 because of a version file. We must initialize
4595 this entry in the global offset table. Since the
4596 offset must always be a multiple of 4, we use the
4597 least significant bit to record whether we have
4598 initialized it already.
4599
4600 When doing a dynamic link, we create a .rela.got
4601 relocation entry to initialize the value. This
4602 is done in the finish_dynamic_symbol routine. */
4603 if ((off & 1) != 0)
4604 off &= ~1;
4605 else
4606 {
4607 bfd_put_32 (output_bfd, relocation,
4608 sgot->contents + off);
fbca6ad9
AO
4609#ifdef INCLUDE_SHMEDIA
4610 if (seen_stt_datalabel)
4611 {
4612 struct elf_sh_link_hash_entry *hsh;
4613
4614 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 4615 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
4616 }
4617 else
4618#endif
4619 h->got.offset |= 1;
8e45593f
NC
4620
4621 /* If we initialize the GOT entry here with a valid
4622 symbol address, also add a fixup. */
e0af1f53 4623 if (fdpic_p && !info->shared
8e45593f
NC
4624 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4625 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4626 || h->root.type != bfd_link_hash_undefweak))
4627 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4628 sgot->output_section->vma
4629 + sgot->output_offset
4630 + off);
37c644f2
AO
4631 }
4632 }
4633
8e45593f 4634 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4635 }
4636 else
4637 {
fbca6ad9
AO
4638#ifdef INCLUDE_SHMEDIA
4639 if (rel->r_addend)
4640 {
4641 BFD_ASSERT (local_got_offsets != NULL
4642 && (local_got_offsets[symtab_hdr->sh_info
4643 + r_symndx]
4644 != (bfd_vma) -1));
4645
4646 off = local_got_offsets[symtab_hdr->sh_info
4647 + r_symndx];
4648 }
4649 else
4650 {
4651#endif
37c644f2
AO
4652 BFD_ASSERT (local_got_offsets != NULL
4653 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4654
4655 off = local_got_offsets[r_symndx];
fbca6ad9
AO
4656#ifdef INCLUDE_SHMEDIA
4657 }
4658#endif
37c644f2
AO
4659
4660 /* The offset must always be a multiple of 4. We use
4661 the least significant bit to record whether we have
4662 already generated the necessary reloc. */
4663 if ((off & 1) != 0)
4664 off &= ~1;
4665 else
4666 {
4667 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4668
4669 if (info->shared)
4670 {
37c644f2 4671 Elf_Internal_Rela outrel;
947216bf 4672 bfd_byte *loc;
37c644f2 4673
3376eaf5
KK
4674 if (srelgot == NULL)
4675 {
3d4d4302
AM
4676 srelgot = bfd_get_linker_section (dynobj,
4677 ".rela.got");
3376eaf5
KK
4678 BFD_ASSERT (srelgot != NULL);
4679 }
37c644f2
AO
4680
4681 outrel.r_offset = (sgot->output_section->vma
4682 + sgot->output_offset
4683 + off);
e0af1f53 4684 if (fdpic_p)
8e45593f
NC
4685 {
4686 int dynindx
4687 = elf_section_data (sec->output_section)->dynindx;
4688 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4689 outrel.r_addend = relocation;
4690 outrel.r_addend -= sec->output_section->vma;
4691 }
4692 else
4693 {
4694 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4695 outrel.r_addend = relocation;
4696 }
947216bf
AM
4697 loc = srelgot->contents;
4698 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4699 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2 4700 }
e0af1f53 4701 else if (fdpic_p
8e45593f
NC
4702 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4703 == GOT_NORMAL))
4704 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4705 sgot->output_section->vma
4706 + sgot->output_offset
4707 + off);
37c644f2 4708
fbca6ad9
AO
4709#ifdef INCLUDE_SHMEDIA
4710 if (rel->r_addend)
4711 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
4712 else
4713#endif
4714 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
4715 }
4716
8e45593f 4717 relocation = sh_elf_got_offset (htab) + off;
37c644f2
AO
4718 }
4719
fbca6ad9 4720#ifdef GOT_BIAS
067653c5 4721 relocation -= GOT_BIAS;
fbca6ad9
AO
4722#endif
4723
8e45593f
NC
4724 if (r_type == R_SH_GOT20)
4725 {
4726 r = install_movi20_field (output_bfd, relocation + addend,
4727 input_bfd, input_section, contents,
4728 rel->r_offset);
4729 break;
4730 }
4731 else
4732 goto final_link_relocate;
37c644f2
AO
4733
4734 case R_SH_GOTOFF:
8e45593f 4735 case R_SH_GOTOFF20:
fbca6ad9
AO
4736#ifdef INCLUDE_SHMEDIA
4737 case R_SH_GOTOFF_LOW16:
4738 case R_SH_GOTOFF_MEDLOW16:
4739 case R_SH_GOTOFF_MEDHI16:
4740 case R_SH_GOTOFF_HI16:
4741#endif
8e45593f
NC
4742 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4743 we place at the start of the .got.plt section. This is the same
4744 as the start of the output .got section, unless there are function
4745 descriptors in front of it. */
e0af1f53 4746 BFD_ASSERT (htab);
8e45593f
NC
4747 BFD_ASSERT (sgotplt != NULL);
4748 check_segment[0] = got_segment;
4749 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4750 + htab->root.hgot->root.u.def.value;
37c644f2 4751
fbca6ad9
AO
4752#ifdef GOT_BIAS
4753 relocation -= GOT_BIAS;
4754#endif
4755
4756 addend = rel->r_addend;
4757
8e45593f
NC
4758 if (r_type == R_SH_GOTOFF20)
4759 {
4760 r = install_movi20_field (output_bfd, relocation + addend,
4761 input_bfd, input_section, contents,
4762 rel->r_offset);
4763 break;
4764 }
4765 else
4766 goto final_link_relocate;
37c644f2
AO
4767
4768 case R_SH_GOTPC:
fbca6ad9
AO
4769#ifdef INCLUDE_SHMEDIA
4770 case R_SH_GOTPC_LOW16:
4771 case R_SH_GOTPC_MEDLOW16:
4772 case R_SH_GOTPC_MEDHI16:
4773 case R_SH_GOTPC_HI16:
4774#endif
37c644f2
AO
4775 /* Use global offset table as symbol value. */
4776
8e45593f
NC
4777 BFD_ASSERT (sgotplt != NULL);
4778 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
37c644f2 4779
fbca6ad9
AO
4780#ifdef GOT_BIAS
4781 relocation += GOT_BIAS;
4782#endif
4783
4784 addend = rel->r_addend;
4785
37c644f2
AO
4786 goto final_link_relocate;
4787
4788 case R_SH_PLT32:
fbca6ad9
AO
4789#ifdef INCLUDE_SHMEDIA
4790 case R_SH_PLT_LOW16:
4791 case R_SH_PLT_MEDLOW16:
4792 case R_SH_PLT_MEDHI16:
4793 case R_SH_PLT_HI16:
4794#endif
37c644f2
AO
4795 /* Relocation is to the entry for this symbol in the
4796 procedure linkage table. */
4797
4798 /* Resolve a PLT reloc against a local symbol directly,
4799 without using the procedure linkage table. */
4800 if (h == NULL)
4801 goto final_link_relocate;
4802
8e45593f
NC
4803 /* We don't want to warn on calls to undefined weak symbols,
4804 as calls to them must be protected by non-NULL tests
4805 anyway, and unprotected calls would invoke undefined
4806 behavior. */
4807 if (h->root.type == bfd_link_hash_undefweak)
4808 check_segment[0] = check_segment[1] = -1;
4809
f5385ebf 4810 if (h->forced_local)
37c644f2
AO
4811 goto final_link_relocate;
4812
4813 if (h->plt.offset == (bfd_vma) -1)
4814 {
4815 /* We didn't make a PLT entry for this symbol. This
4816 happens when statically linking PIC code, or when
4817 using -Bsymbolic. */
4818 goto final_link_relocate;
4819 }
4820
067653c5 4821 BFD_ASSERT (splt != NULL);
8e45593f 4822 check_segment[1] = plt_segment;
37c644f2
AO
4823 relocation = (splt->output_section->vma
4824 + splt->output_offset
4825 + h->plt.offset);
4826
fbca6ad9
AO
4827#ifdef INCLUDE_SHMEDIA
4828 relocation++;
4829#endif
4830
4831 addend = rel->r_addend;
4832
37c644f2
AO
4833 goto final_link_relocate;
4834
8e45593f
NC
4835 /* Relocation is to the canonical function descriptor for this
4836 symbol, possibly via the GOT. Initialize the GOT
4837 entry and function descriptor if necessary. */
4838 case R_SH_GOTFUNCDESC:
4839 case R_SH_GOTFUNCDESC20:
4840 case R_SH_FUNCDESC:
4841 {
4842 int dynindx = -1;
4843 asection *reloc_section;
4844 bfd_vma reloc_offset;
4845 int reloc_type = R_SH_FUNCDESC;
4846
e0af1f53
MR
4847 BFD_ASSERT (htab);
4848
8e45593f
NC
4849 check_segment[0] = check_segment[1] = -1;
4850
4851 /* FIXME: See what FRV does for global symbols in the
4852 executable, with --export-dynamic. Do they need ld.so
4853 to allocate official descriptors? See what this code
4854 does. */
4855
4856 relocation = 0;
4857 addend = 0;
4858
4859 if (r_type == R_SH_FUNCDESC)
4860 {
4861 reloc_section = input_section;
4862 reloc_offset = rel->r_offset;
4863 }
4864 else
4865 {
e0af1f53 4866 reloc_section = sgot;
8e45593f
NC
4867
4868 if (h != NULL)
4869 reloc_offset = h->got.offset;
4870 else
4871 {
4872 BFD_ASSERT (local_got_offsets != NULL);
4873 reloc_offset = local_got_offsets[r_symndx];
4874 }
4875 BFD_ASSERT (reloc_offset != MINUS_ONE);
4876
4877 if (reloc_offset & 1)
4878 {
4879 reloc_offset &= ~1;
4880 goto funcdesc_done_got;
4881 }
4882 }
4883
4884 if (h && h->root.type == bfd_link_hash_undefweak
4885 && (SYMBOL_CALLS_LOCAL (info, h)
4886 || !htab->root.dynamic_sections_created))
4887 /* Undefined weak symbol which will not be dynamically
4888 resolved later; leave it at zero. */
4889 goto funcdesc_leave_zero;
4890 else if (SYMBOL_CALLS_LOCAL (info, h)
4891 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4892 {
4893 /* If the symbol needs a non-local function descriptor
4894 but binds locally (i.e., its visibility is
4895 protected), emit a dynamic relocation decayed to
4896 section+offset. This is an optimization; the dynamic
4897 linker would resolve our function descriptor request
4898 to our copy of the function anyway. */
4899 dynindx = elf_section_data (h->root.u.def.section
4900 ->output_section)->dynindx;
4901 relocation += h->root.u.def.section->output_offset
4902 + h->root.u.def.value;
4903 }
4904 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4905 {
4906 /* If the symbol is dynamic and there will be dynamic
4907 symbol resolution because we are or are linked with a
4908 shared library, emit a FUNCDESC relocation such that
4909 the dynamic linker will allocate the function
4910 descriptor. */
4911 BFD_ASSERT (h->dynindx != -1);
4912 dynindx = h->dynindx;
4913 }
4914 else
4915 {
4916 bfd_vma offset;
4917
4918 /* Otherwise, we know we have a private function
4919 descriptor, so reference it directly. */
4920 reloc_type = R_SH_DIR32;
4921 dynindx = elf_section_data (htab->sfuncdesc
4922 ->output_section)->dynindx;
4923
4924 if (h)
4925 {
4926 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4927 BFD_ASSERT (offset != MINUS_ONE);
4928 if ((offset & 1) == 0)
4929 {
4930 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4931 offset, NULL, 0))
4932 return FALSE;
4933 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4934 }
4935 }
4936 else
4937 {
4938 union gotref *local_funcdesc;
4939
4940 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4941 offset = local_funcdesc[r_symndx].offset;
4942 BFD_ASSERT (offset != MINUS_ONE);
4943 if ((offset & 1) == 0)
4944 {
4945 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4946 offset, sec,
4947 sym->st_value))
4948 return FALSE;
4949 local_funcdesc[r_symndx].offset |= 1;
4950 }
4951 }
4952
4953 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4954 }
4955
4956 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
4957 {
4958 bfd_vma offset;
4959
4960 if (sh_elf_osec_readonly_p (output_bfd,
4961 reloc_section->output_section))
4962 {
4963 (*_bfd_error_handler)
4964 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4965 input_bfd,
4966 input_section,
4967 (long) rel->r_offset,
4968 symname);
4969 return FALSE;
4970 }
4971
4972 offset = _bfd_elf_section_offset (output_bfd, info,
4973 reloc_section, reloc_offset);
4974
4975 if (offset != (bfd_vma)-1)
4976 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4977 offset
4978 + reloc_section->output_section->vma
4979 + reloc_section->output_offset);
4980 }
4981 else if ((reloc_section->output_section->flags
4982 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
4983 {
4984 bfd_vma offset;
4985
4986 if (sh_elf_osec_readonly_p (output_bfd,
4987 reloc_section->output_section))
4988 {
4989 info->callbacks->warning
4990 (info,
4991 _("cannot emit dynamic relocations in read-only section"),
4992 symname, input_bfd, reloc_section, reloc_offset);
4993 return FALSE;
4994 }
4995
4996 if (srelgot == NULL)
4997 {
3d4d4302 4998 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
8e45593f
NC
4999 BFD_ASSERT (srelgot != NULL);
5000 }
5001
5002 offset = _bfd_elf_section_offset (output_bfd, info,
5003 reloc_section, reloc_offset);
5004
5005 if (offset != (bfd_vma)-1)
5006 sh_elf_add_dyn_reloc (output_bfd, srelgot,
5007 offset
5008 + reloc_section->output_section->vma
5009 + reloc_section->output_offset,
5010 reloc_type, dynindx, relocation);
5011
5012 if (r_type == R_SH_FUNCDESC)
5013 {
5014 r = bfd_reloc_ok;
5015 break;
5016 }
5017 else
5018 {
5019 relocation = 0;
5020 goto funcdesc_leave_zero;
5021 }
5022 }
5023
5024 if (SYMBOL_FUNCDESC_LOCAL (info, h))
5025 relocation += htab->sfuncdesc->output_section->vma;
5026 funcdesc_leave_zero:
5027 if (r_type != R_SH_FUNCDESC)
5028 {
5029 bfd_put_32 (output_bfd, relocation,
5030 reloc_section->contents + reloc_offset);
5031 if (h != NULL)
5032 h->got.offset |= 1;
5033 else
5034 local_got_offsets[r_symndx] |= 1;
5035
5036 funcdesc_done_got:
5037
5038 relocation = sh_elf_got_offset (htab) + reloc_offset;
5039#ifdef GOT_BIAS
5040 relocation -= GOT_BIAS;
5041#endif
5042 }
5043 if (r_type == R_SH_GOTFUNCDESC20)
5044 {
5045 r = install_movi20_field (output_bfd, relocation + addend,
5046 input_bfd, input_section, contents,
5047 rel->r_offset);
5048 break;
5049 }
5050 else
5051 goto final_link_relocate;
5052 }
5053 break;
5054
5055 case R_SH_GOTOFFFUNCDESC:
5056 case R_SH_GOTOFFFUNCDESC20:
5057 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
5058 executable and --export-dynamic. If such symbols get
5059 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
5060 for them. */
e0af1f53 5061 BFD_ASSERT (htab);
8e45593f
NC
5062
5063 check_segment[0] = check_segment[1] = -1;
5064 relocation = 0;
5065 addend = rel->r_addend;
5066
5067 if (h && (h->root.type == bfd_link_hash_undefweak
5068 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
5069 {
5070 _bfd_error_handler
5071 (_("%B(%A+0x%lx): %s relocation against external symbol \"%s\""),
5072 input_bfd, input_section, (long) rel->r_offset, howto->name,
5073 h->root.root.string);
5074 return FALSE;
5075 }
5076 else
5077 {
5078 bfd_vma offset;
5079
5080 /* Otherwise, we know we have a private function
5081 descriptor, so reference it directly. */
5082 if (h)
5083 {
5084 offset = sh_elf_hash_entry (h)->funcdesc.offset;
5085 BFD_ASSERT (offset != MINUS_ONE);
5086 if ((offset & 1) == 0)
5087 {
5088 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
5089 offset, NULL, 0))
5090 return FALSE;
5091 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
5092 }
5093 }
5094 else
5095 {
5096 union gotref *local_funcdesc;
5097
5098 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
5099 offset = local_funcdesc[r_symndx].offset;
5100 BFD_ASSERT (offset != MINUS_ONE);
5101 if ((offset & 1) == 0)
5102 {
5103 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
5104 offset, sec,
5105 sym->st_value))
5106 return FALSE;
5107 local_funcdesc[r_symndx].offset |= 1;
5108 }
5109 }
5110
5111 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
5112 }
5113
e0af1f53
MR
5114 relocation -= (htab->root.hgot->root.u.def.value
5115 + sgotplt->output_offset);
8e45593f
NC
5116#ifdef GOT_BIAS
5117 relocation -= GOT_BIAS;
5118#endif
5119
5120 if (r_type == R_SH_GOTOFFFUNCDESC20)
5121 {
5122 r = install_movi20_field (output_bfd, relocation + addend,
5123 input_bfd, input_section, contents,
5124 rel->r_offset);
5125 break;
5126 }
5127 else
5128 goto final_link_relocate;
5129
37c644f2
AO
5130 case R_SH_LOOP_START:
5131 {
5132 static bfd_vma start, end;
5133
5134 start = (relocation + rel->r_addend
5135 - (sec->output_section->vma + sec->output_offset));
5136 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5137 rel->r_offset, sec, start, end);
5138 break;
5139
5140 case R_SH_LOOP_END:
5141 end = (relocation + rel->r_addend
5142 - (sec->output_section->vma + sec->output_offset));
5143 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5144 rel->r_offset, sec, start, end);
5145 break;
5146 }
3376eaf5
KK
5147
5148 case R_SH_TLS_GD_32:
5149 case R_SH_TLS_IE_32:
e0af1f53 5150 BFD_ASSERT (htab);
8e45593f 5151 check_segment[0] = check_segment[1] = -1;
3376eaf5 5152 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
8e45593f 5153 got_type = GOT_UNKNOWN;
3376eaf5 5154 if (h == NULL && local_got_offsets)
8e45593f 5155 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
3376eaf5
KK
5156 else if (h != NULL)
5157 {
8e45593f 5158 got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5
KK
5159 if (! info->shared
5160 && (h->dynindx == -1
f5385ebf 5161 || h->def_regular))
267fb3c1 5162 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
5163 }
5164
8e45593f 5165 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
3376eaf5
KK
5166 r_type = R_SH_TLS_IE_32;
5167
5168 if (r_type == R_SH_TLS_LE_32)
5169 {
5170 bfd_vma offset;
5171 unsigned short insn;
3376eaf5
KK
5172
5173 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5174 {
5175 /* GD->LE transition:
5176 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 5177 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
5178 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5179 We change it into:
5180 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5181 nop; nop; ...
5182 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5183
5184 offset = rel->r_offset;
5185 BFD_ASSERT (offset >= 16);
5186 /* Size of GD instructions is 16 or 18. */
5187 offset -= 16;
5188 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5189 if ((insn & 0xff00) == 0xc700)
5190 {
5191 BFD_ASSERT (offset >= 2);
5192 offset -= 2;
5193 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5194 }
5195
5196 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5197 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5198 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5199 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5200 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5201 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5202 BFD_ASSERT (insn == 0x310c);
5203 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5204 BFD_ASSERT (insn == 0x410b);
5205 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5206 BFD_ASSERT (insn == 0x34cc);
5207
5208 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5209 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5210 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5211 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5212 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5213 }
5214 else
5215 {
91d6fa6a 5216 int target;
3376eaf5
KK
5217
5218 /* IE->LE transition:
5219 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5220 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5221 We change it into:
5222 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5223 1: x@TPOFF; 2:. */
5224
5225 offset = rel->r_offset;
5226 BFD_ASSERT (offset >= 16);
5227 /* Size of IE instructions is 10 or 12. */
5228 offset -= 10;
5229 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5230 if ((insn & 0xf0ff) == 0x0012)
5231 {
5232 BFD_ASSERT (offset >= 2);
5233 offset -= 2;
5234 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5235 }
5236
5237 BFD_ASSERT ((insn & 0xff00) == 0xd000);
91d6fa6a 5238 target = insn & 0x00ff;
3376eaf5
KK
5239 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5240 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5241 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5242 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
91d6fa6a 5243 insn = 0xd000 | (insn & 0x0f00) | target;
3376eaf5
KK
5244 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5245 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5246 }
5247
267fb3c1
KK
5248 bfd_put_32 (output_bfd, tpoff (info, relocation),
5249 contents + rel->r_offset);
3376eaf5
KK
5250 continue;
5251 }
5252
8e45593f 5253 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5254 abort ();
5255
5256 if (h != NULL)
5257 off = h->got.offset;
5258 else
5259 {
5260 if (local_got_offsets == NULL)
5261 abort ();
5262
5263 off = local_got_offsets[r_symndx];
5264 }
5265
267fb3c1
KK
5266 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5267 if (r_type == R_SH_TLS_IE_32
5268 && ! htab->root.dynamic_sections_created)
5269 {
5270 off &= ~1;
5271 bfd_put_32 (output_bfd, tpoff (info, relocation),
5272 sgot->contents + off);
8e45593f 5273 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
267fb3c1
KK
5274 contents + rel->r_offset);
5275 continue;
5276 }
5277
3376eaf5
KK
5278 if ((off & 1) != 0)
5279 off &= ~1;
26e41594 5280 else
3376eaf5
KK
5281 {
5282 Elf_Internal_Rela outrel;
947216bf 5283 bfd_byte *loc;
3376eaf5
KK
5284 int dr_type, indx;
5285
5286 if (srelgot == NULL)
5287 {
3d4d4302 5288 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
3376eaf5
KK
5289 BFD_ASSERT (srelgot != NULL);
5290 }
5291
5292 outrel.r_offset = (sgot->output_section->vma
5293 + sgot->output_offset + off);
5294
267fb3c1 5295 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
5296 indx = 0;
5297 else
5298 indx = h->dynindx;
267fb3c1 5299
3376eaf5
KK
5300 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5301 R_SH_TLS_TPOFF32);
5302 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5303 outrel.r_addend = relocation - dtpoff_base (info);
5304 else
5305 outrel.r_addend = 0;
5306 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
5307 loc = srelgot->contents;
5308 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5309 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5310
5311 if (r_type == R_SH_TLS_GD_32)
5312 {
5313 if (indx == 0)
5314 {
5315 bfd_put_32 (output_bfd,
5316 relocation - dtpoff_base (info),
5317 sgot->contents + off + 4);
5318 }
5319 else
5320 {
5321 outrel.r_info = ELF32_R_INFO (indx,
5322 R_SH_TLS_DTPOFF32);
5323 outrel.r_offset += 4;
5324 outrel.r_addend = 0;
5325 srelgot->reloc_count++;
947216bf
AM
5326 loc += sizeof (Elf32_External_Rela);
5327 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5328 }
5329 }
5330
5331 if (h != NULL)
5332 h->got.offset |= 1;
5333 else
5334 local_got_offsets[r_symndx] |= 1;
5335 }
5336
5337 if (off >= (bfd_vma) -2)
5338 abort ();
5339
5340 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
8e45593f 5341 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5342 else
5343 {
5344 bfd_vma offset;
5345 unsigned short insn;
5346
5347 /* GD->IE transition:
5348 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5349 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5350 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5351 We change it into:
5352 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5353 nop; nop; bra 3f; nop; .align 2;
5354 1: .long x@TPOFF; 2:...; 3:. */
5355
5356 offset = rel->r_offset;
5357 BFD_ASSERT (offset >= 16);
5358 /* Size of GD instructions is 16 or 18. */
5359 offset -= 16;
5360 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5361 if ((insn & 0xff00) == 0xc700)
5362 {
5363 BFD_ASSERT (offset >= 2);
5364 offset -= 2;
5365 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5366 }
5367
5368 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5369
5370 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5371 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5372
5373 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5374 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5375 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5376 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5377 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5378 BFD_ASSERT (insn == 0x310c);
5379 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5380 BFD_ASSERT (insn == 0x410b);
5381 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5382 BFD_ASSERT (insn == 0x34cc);
5383
5384 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5385 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5386 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5387 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5388 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5389
8e45593f 5390 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
3376eaf5
KK
5391 contents + rel->r_offset);
5392
5393 continue;
5394 }
5395
5396 addend = rel->r_addend;
5397
5398 goto final_link_relocate;
5399
5400 case R_SH_TLS_LD_32:
e0af1f53 5401 BFD_ASSERT (htab);
8e45593f 5402 check_segment[0] = check_segment[1] = -1;
3376eaf5
KK
5403 if (! info->shared)
5404 {
5405 bfd_vma offset;
5406 unsigned short insn;
5407
5408 /* LD->LE transition:
5409 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5410 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5411 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5412 We change it into:
5413 stc gbr,r0; nop; nop; nop;
5414 nop; nop; bra 3f; ...; 3:. */
5415
5416 offset = rel->r_offset;
5417 BFD_ASSERT (offset >= 16);
5418 /* Size of LD instructions is 16 or 18. */
5419 offset -= 16;
5420 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5421 if ((insn & 0xff00) == 0xc700)
5422 {
5423 BFD_ASSERT (offset >= 2);
5424 offset -= 2;
5425 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5426 }
5427
5428 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5429 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5430 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5431 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5432 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5433 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5434 BFD_ASSERT (insn == 0x310c);
5435 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5436 BFD_ASSERT (insn == 0x410b);
5437 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5438 BFD_ASSERT (insn == 0x34cc);
5439
5440 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5441 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5442 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5443 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5444 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5445 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5446
5447 continue;
5448 }
5449
8e45593f 5450 if (sgot == NULL || sgotplt == NULL)
3376eaf5
KK
5451 abort ();
5452
5453 off = htab->tls_ldm_got.offset;
5454 if (off & 1)
5455 off &= ~1;
5456 else
5457 {
5458 Elf_Internal_Rela outrel;
947216bf 5459 bfd_byte *loc;
3376eaf5
KK
5460
5461 srelgot = htab->srelgot;
5462 if (srelgot == NULL)
5463 abort ();
5464
5465 outrel.r_offset = (sgot->output_section->vma
5466 + sgot->output_offset + off);
5467 outrel.r_addend = 0;
5468 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
5469 loc = srelgot->contents;
5470 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
5471 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5472 htab->tls_ldm_got.offset |= 1;
5473 }
5474
8e45593f 5475 relocation = sh_elf_got_offset (htab) + off;
3376eaf5
KK
5476 addend = rel->r_addend;
5477
5478 goto final_link_relocate;
5479
5480 case R_SH_TLS_LDO_32:
8e45593f 5481 check_segment[0] = check_segment[1] = -1;
3376eaf5 5482 if (! info->shared)
267fb3c1 5483 relocation = tpoff (info, relocation);
3376eaf5
KK
5484 else
5485 relocation -= dtpoff_base (info);
5486
5487 addend = rel->r_addend;
5488 goto final_link_relocate;
5489
5490 case R_SH_TLS_LE_32:
5491 {
5492 int indx;
5493 Elf_Internal_Rela outrel;
947216bf 5494 bfd_byte *loc;
3376eaf5 5495
8e45593f
NC
5496 check_segment[0] = check_segment[1] = -1;
5497
b68593b9 5498 if (! info->shared || info->pie)
267fb3c1
KK
5499 {
5500 relocation = tpoff (info, relocation);
5501 addend = rel->r_addend;
5502 goto final_link_relocate;
5503 }
5504
3376eaf5
KK
5505 if (sreloc == NULL)
5506 {
83bac4b0
NC
5507 sreloc = _bfd_elf_get_dynamic_reloc_section
5508 (input_bfd, input_section, /*rela?*/ TRUE);
5509 if (sreloc == NULL)
b34976b6 5510 return FALSE;
3376eaf5
KK
5511 }
5512
267fb3c1
KK
5513 if (h == NULL || h->dynindx == -1)
5514 indx = 0;
5515 else
5516 indx = h->dynindx;
5517
3376eaf5
KK
5518 outrel.r_offset = (input_section->output_section->vma
5519 + input_section->output_offset
5520 + rel->r_offset);
5521 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5522 if (indx == 0)
5523 outrel.r_addend = relocation - dtpoff_base (info);
5524 else
5525 outrel.r_addend = 0;
3376eaf5 5526
947216bf
AM
5527 loc = sreloc->contents;
5528 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5529 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
5530 continue;
5531 }
37c644f2
AO
5532 }
5533
146be91a 5534 relocation_done:
e0af1f53 5535 if (fdpic_p && check_segment[0] != (unsigned) -1
8e45593f
NC
5536 && check_segment[0] != check_segment[1])
5537 {
5538 /* We don't want duplicate errors for undefined symbols. */
5539 if (!h || h->root.type != bfd_link_hash_undefined)
5540 {
5541 if (info->shared)
5542 {
5543 info->callbacks->einfo
5544 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5545 input_bfd, input_section, rel->r_offset, symname);
5546 return FALSE;
5547 }
5548 else
5549 info->callbacks->einfo
5550 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5551 input_bfd, input_section, rel->r_offset, symname);
5552 }
5553
5554 elf_elfheader (output_bfd)->e_flags &= ~EF_SH_PIC;
5555 }
5556
37c644f2
AO
5557 if (r != bfd_reloc_ok)
5558 {
5559 switch (r)
5560 {
5561 default:
5562 case bfd_reloc_outofrange:
5563 abort ();
5564 case bfd_reloc_overflow:
5565 {
5566 const char *name;
5567
5568 if (h != NULL)
dfeffb9f 5569 name = NULL;
37c644f2
AO
5570 else
5571 {
252b5132
RH
5572 name = (bfd_elf_string_from_elf_section
5573 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5574 if (name == NULL)
b34976b6 5575 return FALSE;
252b5132
RH
5576 if (*name == '\0')
5577 name = bfd_section_name (input_bfd, sec);
5578 }
5579 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
5580 (info, (h ? &h->root : NULL), name, howto->name,
5581 (bfd_vma) 0, input_bfd, input_section,
5582 rel->r_offset)))
b34976b6 5583 return FALSE;
252b5132
RH
5584 }
5585 break;
5586 }
5587 }
5588 }
5589
b34976b6 5590 return TRUE;
252b5132
RH
5591}
5592
5593/* This is a version of bfd_generic_get_relocated_section_contents
5594 which uses sh_elf_relocate_section. */
5595
5596static bfd_byte *
09fd220b
KK
5597sh_elf_get_relocated_section_contents (bfd *output_bfd,
5598 struct bfd_link_info *link_info,
5599 struct bfd_link_order *link_order,
5600 bfd_byte *data,
5601 bfd_boolean relocatable,
5602 asymbol **symbols)
252b5132
RH
5603{
5604 Elf_Internal_Shdr *symtab_hdr;
5605 asection *input_section = link_order->u.indirect.section;
5606 bfd *input_bfd = input_section->owner;
5607 asection **sections = NULL;
5608 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 5609 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
5610
5611 /* We only need to handle the case of relaxing, or of having a
5612 particular set of section contents, specially. */
1049f94e 5613 if (relocatable
252b5132
RH
5614 || elf_section_data (input_section)->this_hdr.contents == NULL)
5615 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5616 link_order, data,
1049f94e 5617 relocatable,
252b5132
RH
5618 symbols);
5619
0ffa91dd 5620 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
5621
5622 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 5623 (size_t) input_section->size);
252b5132
RH
5624
5625 if ((input_section->flags & SEC_RELOC) != 0
5626 && input_section->reloc_count > 0)
5627 {
252b5132 5628 asection **secpp;
6cdc0ccc 5629 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 5630 bfd_size_type amt;
252b5132 5631
45d6a902 5632 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 5633 (input_bfd, input_section, NULL,
b34976b6 5634 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
5635 if (internal_relocs == NULL)
5636 goto error_return;
5637
6cdc0ccc
AM
5638 if (symtab_hdr->sh_info != 0)
5639 {
5640 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5641 if (isymbuf == NULL)
5642 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5643 symtab_hdr->sh_info, 0,
5644 NULL, NULL, NULL);
5645 if (isymbuf == NULL)
5646 goto error_return;
5647 }
252b5132 5648
9ad5cbcf
AM
5649 amt = symtab_hdr->sh_info;
5650 amt *= sizeof (asection *);
5651 sections = (asection **) bfd_malloc (amt);
5652 if (sections == NULL && amt != 0)
252b5132
RH
5653 goto error_return;
5654
6cdc0ccc
AM
5655 isymend = isymbuf + symtab_hdr->sh_info;
5656 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
5657 {
5658 asection *isec;
5659
6cdc0ccc 5660 if (isym->st_shndx == SHN_UNDEF)
252b5132 5661 isec = bfd_und_section_ptr;
6cdc0ccc 5662 else if (isym->st_shndx == SHN_ABS)
252b5132 5663 isec = bfd_abs_section_ptr;
6cdc0ccc 5664 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
5665 isec = bfd_com_section_ptr;
5666 else
6cdc0ccc 5667 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
5668
5669 *secpp = isec;
5670 }
5671
5672 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5673 input_section, data, internal_relocs,
6cdc0ccc 5674 isymbuf, sections))
252b5132
RH
5675 goto error_return;
5676
5677 if (sections != NULL)
5678 free (sections);
6cdc0ccc
AM
5679 if (isymbuf != NULL
5680 && symtab_hdr->contents != (unsigned char *) isymbuf)
5681 free (isymbuf);
5682 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 5683 free (internal_relocs);
252b5132
RH
5684 }
5685
5686 return data;
5687
5688 error_return:
252b5132
RH
5689 if (sections != NULL)
5690 free (sections);
6cdc0ccc
AM
5691 if (isymbuf != NULL
5692 && symtab_hdr->contents != (unsigned char *) isymbuf)
5693 free (isymbuf);
5694 if (internal_relocs != NULL
5695 && elf_section_data (input_section)->relocs != internal_relocs)
5696 free (internal_relocs);
252b5132
RH
5697 return NULL;
5698}
917583ad 5699
3376eaf5
KK
5700/* Return the base VMA address which should be subtracted from real addresses
5701 when resolving @dtpoff relocation.
5702 This is PT_TLS segment p_vaddr. */
5703
5704static bfd_vma
09fd220b 5705dtpoff_base (struct bfd_link_info *info)
3376eaf5 5706{
e1918d23
AM
5707 /* If tls_sec is NULL, we should have signalled an error already. */
5708 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 5709 return 0;
e1918d23 5710 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
5711}
5712
267fb3c1
KK
5713/* Return the relocation value for R_SH_TLS_TPOFF32.. */
5714
5715static bfd_vma
09fd220b 5716tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 5717{
e1918d23
AM
5718 /* If tls_sec is NULL, we should have signalled an error already. */
5719 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
5720 return 0;
5721 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5722 structure which has 2 pointer fields. */
044ad7e3
KK
5723 return (address - elf_hash_table (info)->tls_sec->vma
5724 + align_power ((bfd_vma) 8,
5725 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
5726}
5727
252b5132 5728static asection *
09fd220b 5729sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
5730 struct bfd_link_info *info,
5731 Elf_Internal_Rela *rel,
5732 struct elf_link_hash_entry *h,
09fd220b 5733 Elf_Internal_Sym *sym)
252b5132
RH
5734{
5735 if (h != NULL)
07adf181
AM
5736 switch (ELF32_R_TYPE (rel->r_info))
5737 {
5738 case R_SH_GNU_VTINHERIT:
5739 case R_SH_GNU_VTENTRY:
5740 return NULL;
5741 }
9ad5cbcf 5742
07adf181 5743 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
5744}
5745
37c644f2
AO
5746/* Update the got entry reference counts for the section being removed. */
5747
b34976b6 5748static bfd_boolean
09fd220b
KK
5749sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5750 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 5751{
067653c5
AM
5752 Elf_Internal_Shdr *symtab_hdr;
5753 struct elf_link_hash_entry **sym_hashes;
5754 bfd_signed_vma *local_got_refcounts;
8e45593f 5755 union gotref *local_funcdesc;
067653c5 5756 const Elf_Internal_Rela *rel, *relend;
067653c5 5757
7dda2462
TG
5758 if (info->relocatable)
5759 return TRUE;
5760
067653c5
AM
5761 elf_section_data (sec)->local_dynrel = NULL;
5762
0ffa91dd 5763 symtab_hdr = &elf_symtab_hdr (abfd);
067653c5
AM
5764 sym_hashes = elf_sym_hashes (abfd);
5765 local_got_refcounts = elf_local_got_refcounts (abfd);
8e45593f 5766 local_funcdesc = sh_elf_local_funcdesc (abfd);
067653c5
AM
5767
5768 relend = relocs + sec->reloc_count;
5769 for (rel = relocs; rel < relend; rel++)
396a6083 5770 {
26e41594
AM
5771 unsigned long r_symndx;
5772 unsigned int r_type;
5773 struct elf_link_hash_entry *h = NULL;
396a6083
SC
5774#ifdef INCLUDE_SHMEDIA
5775 int seen_stt_datalabel = 0;
5776#endif
3376eaf5 5777
396a6083 5778 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 5779 if (r_symndx >= symtab_hdr->sh_info)
396a6083 5780 {
26e41594
AM
5781 struct elf_sh_link_hash_entry *eh;
5782 struct elf_sh_dyn_relocs **pp;
5783 struct elf_sh_dyn_relocs *p;
5784
396a6083 5785 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
5786 while (h->root.type == bfd_link_hash_indirect
5787 || h->root.type == bfd_link_hash_warning)
5788 {
3eb128b2 5789#ifdef INCLUDE_SHMEDIA
396a6083 5790 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 5791#endif
396a6083
SC
5792 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5793 }
26e41594
AM
5794 eh = (struct elf_sh_link_hash_entry *) h;
5795 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5796 if (p->sec == sec)
5797 {
5798 /* Everything must go for SEC. */
5799 *pp = p->next;
5800 break;
5801 }
396a6083 5802 }
067653c5 5803
26e41594
AM
5804 r_type = ELF32_R_TYPE (rel->r_info);
5805 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
5806 {
5807 case R_SH_TLS_LD_32:
5808 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5809 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5810 break;
5811
5812 case R_SH_GOT32:
8e45593f 5813 case R_SH_GOT20:
396a6083 5814 case R_SH_GOTOFF:
8e45593f 5815 case R_SH_GOTOFF20:
396a6083
SC
5816 case R_SH_GOTPC:
5817#ifdef INCLUDE_SHMEDIA
5818 case R_SH_GOT_LOW16:
5819 case R_SH_GOT_MEDLOW16:
5820 case R_SH_GOT_MEDHI16:
5821 case R_SH_GOT_HI16:
5822 case R_SH_GOT10BY4:
5823 case R_SH_GOT10BY8:
5824 case R_SH_GOTOFF_LOW16:
5825 case R_SH_GOTOFF_MEDLOW16:
5826 case R_SH_GOTOFF_MEDHI16:
5827 case R_SH_GOTOFF_HI16:
5828 case R_SH_GOTPC_LOW16:
5829 case R_SH_GOTPC_MEDLOW16:
5830 case R_SH_GOTPC_MEDHI16:
5831 case R_SH_GOTPC_HI16:
5832#endif
5833 case R_SH_TLS_GD_32:
5834 case R_SH_TLS_IE_32:
8e45593f
NC
5835 case R_SH_GOTFUNCDESC:
5836 case R_SH_GOTFUNCDESC20:
396a6083
SC
5837 if (h != NULL)
5838 {
5839#ifdef INCLUDE_SHMEDIA
5840 if (seen_stt_datalabel)
5841 {
26e41594
AM
5842 struct elf_sh_link_hash_entry *eh;
5843 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5844 if (eh->datalabel_got.refcount > 0)
5845 eh->datalabel_got.refcount -= 1;
5846 }
5847 else
5848#endif
5849 if (h->got.refcount > 0)
5850 h->got.refcount -= 1;
5851 }
5852 else if (local_got_refcounts != NULL)
5853 {
5854#ifdef INCLUDE_SHMEDIA
5855 if (rel->r_addend & 1)
5856 {
5857 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5858 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5859 }
5860 else
5861#endif
5862 if (local_got_refcounts[r_symndx] > 0)
5863 local_got_refcounts[r_symndx] -= 1;
5864 }
5865 break;
5866
8e45593f
NC
5867 case R_SH_FUNCDESC:
5868 if (h != NULL)
5869 sh_elf_hash_entry (h)->abs_funcdesc_refcount -= 1;
5870 else if (sh_elf_hash_table (info)->fdpic_p && !info->shared)
5871 sh_elf_hash_table (info)->srofixup->size -= 4;
5872
5873 /* Fall through. */
5874
5875 case R_SH_GOTOFFFUNCDESC:
5876 case R_SH_GOTOFFFUNCDESC20:
5877 if (h != NULL)
5878 sh_elf_hash_entry (h)->funcdesc.refcount -= 1;
5879 else
5880 local_funcdesc[r_symndx].refcount -= 1;
5881 break;
5882
396a6083 5883 case R_SH_DIR32:
8e45593f
NC
5884 if (sh_elf_hash_table (info)->fdpic_p && !info->shared
5885 && (sec->flags & SEC_ALLOC) != 0)
5886 sh_elf_hash_table (info)->srofixup->size -= 4;
5887 /* Fall thru */
5888
396a6083 5889 case R_SH_REL32:
26e41594
AM
5890 if (info->shared)
5891 break;
5892 /* Fall thru */
396a6083
SC
5893
5894 case R_SH_PLT32:
5895#ifdef INCLUDE_SHMEDIA
5896 case R_SH_PLT_LOW16:
5897 case R_SH_PLT_MEDLOW16:
5898 case R_SH_PLT_MEDHI16:
5899 case R_SH_PLT_HI16:
5900#endif
5901 if (h != NULL)
5902 {
5903 if (h->plt.refcount > 0)
5904 h->plt.refcount -= 1;
5905 }
5906 break;
067653c5 5907
396a6083
SC
5908 case R_SH_GOTPLT32:
5909#ifdef INCLUDE_SHMEDIA
5910 case R_SH_GOTPLT_LOW16:
5911 case R_SH_GOTPLT_MEDLOW16:
5912 case R_SH_GOTPLT_MEDHI16:
5913 case R_SH_GOTPLT_HI16:
5914 case R_SH_GOTPLT10BY4:
5915 case R_SH_GOTPLT10BY8:
5916#endif
5917 if (h != NULL)
5918 {
26e41594
AM
5919 struct elf_sh_link_hash_entry *eh;
5920 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 5921 if (eh->gotplt_refcount > 0)
067653c5 5922 {
396a6083
SC
5923 eh->gotplt_refcount -= 1;
5924 if (h->plt.refcount > 0)
5925 h->plt.refcount -= 1;
067653c5 5926 }
067653c5 5927#ifdef INCLUDE_SHMEDIA
396a6083
SC
5928 else if (seen_stt_datalabel)
5929 {
5930 if (eh->datalabel_got.refcount > 0)
5931 eh->datalabel_got.refcount -= 1;
5932 }
067653c5 5933#endif
396a6083
SC
5934 else if (h->got.refcount > 0)
5935 h->got.refcount -= 1;
5936 }
5937 else if (local_got_refcounts != NULL)
5938 {
067653c5 5939#ifdef INCLUDE_SHMEDIA
396a6083
SC
5940 if (rel->r_addend & 1)
5941 {
5942 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5943 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5944 }
5945 else
067653c5 5946#endif
396a6083
SC
5947 if (local_got_refcounts[r_symndx] > 0)
5948 local_got_refcounts[r_symndx] -= 1;
5949 }
5950 break;
067653c5 5951
396a6083
SC
5952 default:
5953 break;
5954 }
5955 }
067653c5 5956
b34976b6 5957 return TRUE;
252b5132
RH
5958}
5959
067653c5
AM
5960/* Copy the extra info we tack onto an elf_link_hash_entry. */
5961
5962static void
fcfa13d2 5963sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
5964 struct elf_link_hash_entry *dir,
5965 struct elf_link_hash_entry *ind)
067653c5
AM
5966{
5967 struct elf_sh_link_hash_entry *edir, *eind;
5968
5969 edir = (struct elf_sh_link_hash_entry *) dir;
5970 eind = (struct elf_sh_link_hash_entry *) ind;
5971
5972 if (eind->dyn_relocs != NULL)
5973 {
5974 if (edir->dyn_relocs != NULL)
5975 {
5976 struct elf_sh_dyn_relocs **pp;
5977 struct elf_sh_dyn_relocs *p;
5978
fcfa13d2 5979 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
5980 list. Merge any entries against the same section. */
5981 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
5982 {
5983 struct elf_sh_dyn_relocs *q;
5984
5985 for (q = edir->dyn_relocs; q != NULL; q = q->next)
5986 if (q->sec == p->sec)
5987 {
5988 q->pc_count += p->pc_count;
5989 q->count += p->count;
5990 *pp = p->next;
5991 break;
5992 }
5993 if (q == NULL)
5994 pp = &p->next;
5995 }
5996 *pp = edir->dyn_relocs;
5997 }
5998
5999 edir->dyn_relocs = eind->dyn_relocs;
6000 eind->dyn_relocs = NULL;
6001 }
4989d792
SC
6002 edir->gotplt_refcount = eind->gotplt_refcount;
6003 eind->gotplt_refcount = 0;
396a6083 6004#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
6005 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
6006 eind->datalabel_got.refcount = 0;
396a6083 6007#endif
8e45593f
NC
6008 edir->funcdesc.refcount += eind->funcdesc.refcount;
6009 eind->funcdesc.refcount = 0;
6010 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
6011 eind->abs_funcdesc_refcount = 0;
067653c5 6012
3376eaf5
KK
6013 if (ind->root.type == bfd_link_hash_indirect
6014 && dir->got.refcount <= 0)
6015 {
8e45593f
NC
6016 edir->got_type = eind->got_type;
6017 eind->got_type = GOT_UNKNOWN;
3376eaf5
KK
6018 }
6019
04e534c3 6020 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
6021 && dir->dynamic_adjusted)
6022 {
6023 /* If called to transfer flags for a weakdef during processing
6024 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
6025 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
6026 dir->ref_dynamic |= ind->ref_dynamic;
6027 dir->ref_regular |= ind->ref_regular;
6028 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
6029 dir->needs_plt |= ind->needs_plt;
6030 }
04e534c3 6031 else
fcfa13d2 6032 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
6033}
6034
3376eaf5 6035static int
09fd220b
KK
6036sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
6037 int is_local)
3376eaf5
KK
6038{
6039 if (info->shared)
6040 return r_type;
6041
6042 switch (r_type)
6043 {
6044 case R_SH_TLS_GD_32:
6045 case R_SH_TLS_IE_32:
6046 if (is_local)
6047 return R_SH_TLS_LE_32;
6048 return R_SH_TLS_IE_32;
6049 case R_SH_TLS_LD_32:
6050 return R_SH_TLS_LE_32;
6051 }
6052
6053 return r_type;
6054}
6055
252b5132
RH
6056/* Look through the relocs for a section during the first phase.
6057 Since we don't do .gots or .plts, we just need to consider the
6058 virtual table relocs for gc. */
435b1e90 6059
b34976b6 6060static bfd_boolean
09fd220b
KK
6061sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6062 const Elf_Internal_Rela *relocs)
252b5132
RH
6063{
6064 Elf_Internal_Shdr *symtab_hdr;
5582a088 6065 struct elf_link_hash_entry **sym_hashes;
067653c5 6066 struct elf_sh_link_hash_table *htab;
252b5132
RH
6067 const Elf_Internal_Rela *rel;
6068 const Elf_Internal_Rela *rel_end;
37c644f2 6069 asection *sreloc;
3376eaf5 6070 unsigned int r_type;
85e02784 6071 enum got_type got_type, old_got_type;
435b1e90 6072
37c644f2
AO
6073 sreloc = NULL;
6074
1049f94e 6075 if (info->relocatable)
b34976b6 6076 return TRUE;
435b1e90 6077
0ffa91dd
NC
6078 BFD_ASSERT (is_sh_elf (abfd));
6079
6080 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 6081 sym_hashes = elf_sym_hashes (abfd);
435b1e90 6082
067653c5 6083 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6084 if (htab == NULL)
6085 return FALSE;
6086
252b5132
RH
6087 rel_end = relocs + sec->reloc_count;
6088 for (rel = relocs; rel < rel_end; rel++)
6089 {
6090 struct elf_link_hash_entry *h;
6091 unsigned long r_symndx;
396a6083
SC
6092#ifdef INCLUDE_SHMEDIA
6093 int seen_stt_datalabel = 0;
6094#endif
435b1e90 6095
252b5132 6096 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
6097 r_type = ELF32_R_TYPE (rel->r_info);
6098
252b5132 6099 if (r_symndx < symtab_hdr->sh_info)
435b1e90 6100 h = NULL;
252b5132 6101 else
396a6083
SC
6102 {
6103 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
6104 while (h->root.type == bfd_link_hash_indirect
6105 || h->root.type == bfd_link_hash_warning)
6106 {
973a3492 6107#ifdef INCLUDE_SHMEDIA
396a6083 6108 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 6109#endif
396a6083
SC
6110 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6111 }
396a6083 6112 }
435b1e90 6113
3376eaf5
KK
6114 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6115 if (! info->shared
6116 && r_type == R_SH_TLS_IE_32
6117 && h != NULL
6118 && h->root.type != bfd_link_hash_undefined
6119 && h->root.type != bfd_link_hash_undefweak
6120 && (h->dynindx == -1
f5385ebf 6121 || h->def_regular))
3376eaf5
KK
6122 r_type = R_SH_TLS_LE_32;
6123
8e45593f
NC
6124 if (htab->fdpic_p)
6125 switch (r_type)
6126 {
6127 case R_SH_GOTOFFFUNCDESC:
6128 case R_SH_GOTOFFFUNCDESC20:
6129 case R_SH_FUNCDESC:
6130 case R_SH_GOTFUNCDESC:
6131 case R_SH_GOTFUNCDESC20:
6132 if (h != NULL)
6133 {
6134 if (h->dynindx == -1)
6135 switch (ELF_ST_VISIBILITY (h->other))
6136 {
6137 case STV_INTERNAL:
6138 case STV_HIDDEN:
6139 break;
6140 default:
6141 bfd_elf_link_record_dynamic_symbol (info, h);
6142 break;
6143 }
6144 }
6145 break;
6146 }
6147
37c644f2 6148 /* Some relocs require a global offset table. */
067653c5 6149 if (htab->sgot == NULL)
37c644f2 6150 {
3376eaf5 6151 switch (r_type)
37c644f2 6152 {
8e45593f
NC
6153 case R_SH_DIR32:
6154 /* This may require an rofixup. */
6155 if (!htab->fdpic_p)
6156 break;
fbca6ad9 6157 case R_SH_GOTPLT32:
37c644f2 6158 case R_SH_GOT32:
8e45593f 6159 case R_SH_GOT20:
37c644f2 6160 case R_SH_GOTOFF:
8e45593f
NC
6161 case R_SH_GOTOFF20:
6162 case R_SH_FUNCDESC:
6163 case R_SH_GOTFUNCDESC:
6164 case R_SH_GOTFUNCDESC20:
6165 case R_SH_GOTOFFFUNCDESC:
6166 case R_SH_GOTOFFFUNCDESC20:
37c644f2 6167 case R_SH_GOTPC:
fbca6ad9
AO
6168#ifdef INCLUDE_SHMEDIA
6169 case R_SH_GOTPLT_LOW16:
6170 case R_SH_GOTPLT_MEDLOW16:
6171 case R_SH_GOTPLT_MEDHI16:
6172 case R_SH_GOTPLT_HI16:
6173 case R_SH_GOTPLT10BY4:
6174 case R_SH_GOTPLT10BY8:
6175 case R_SH_GOT_LOW16:
6176 case R_SH_GOT_MEDLOW16:
6177 case R_SH_GOT_MEDHI16:
6178 case R_SH_GOT_HI16:
6179 case R_SH_GOT10BY4:
6180 case R_SH_GOT10BY8:
6181 case R_SH_GOTOFF_LOW16:
6182 case R_SH_GOTOFF_MEDLOW16:
6183 case R_SH_GOTOFF_MEDHI16:
6184 case R_SH_GOTOFF_HI16:
6185 case R_SH_GOTPC_LOW16:
6186 case R_SH_GOTPC_MEDLOW16:
6187 case R_SH_GOTPC_MEDHI16:
6188 case R_SH_GOTPC_HI16:
6189#endif
3376eaf5
KK
6190 case R_SH_TLS_GD_32:
6191 case R_SH_TLS_LD_32:
6192 case R_SH_TLS_IE_32:
8e45593f
NC
6193 if (htab->root.dynobj == NULL)
6194 htab->root.dynobj = abfd;
6195 if (!create_got_section (htab->root.dynobj, info))
6196 return FALSE;
37c644f2
AO
6197 break;
6198
6199 default:
6200 break;
6201 }
6202 }
6203
3376eaf5 6204 switch (r_type)
067653c5
AM
6205 {
6206 /* This relocation describes the C++ object vtable hierarchy.
6207 Reconstruct it for later use during GC. */
435b1e90 6208 case R_SH_GNU_VTINHERIT:
c152c796 6209 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 6210 return FALSE;
435b1e90
KH
6211 break;
6212
067653c5
AM
6213 /* This relocation describes which C++ vtable entries are actually
6214 used. Record for later use during GC. */
435b1e90 6215 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
6216 BFD_ASSERT (h != NULL);
6217 if (h != NULL
6218 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 6219 return FALSE;
435b1e90 6220 break;
37c644f2 6221
3376eaf5
KK
6222 case R_SH_TLS_IE_32:
6223 if (info->shared)
6224 info->flags |= DF_STATIC_TLS;
6225
6226 /* FALLTHROUGH */
267fb3c1 6227 force_got:
3376eaf5 6228 case R_SH_TLS_GD_32:
37c644f2 6229 case R_SH_GOT32:
8e45593f 6230 case R_SH_GOT20:
fbca6ad9
AO
6231#ifdef INCLUDE_SHMEDIA
6232 case R_SH_GOT_LOW16:
6233 case R_SH_GOT_MEDLOW16:
6234 case R_SH_GOT_MEDHI16:
6235 case R_SH_GOT_HI16:
6236 case R_SH_GOT10BY4:
6237 case R_SH_GOT10BY8:
6238#endif
8e45593f
NC
6239 case R_SH_GOTFUNCDESC:
6240 case R_SH_GOTFUNCDESC20:
3376eaf5
KK
6241 switch (r_type)
6242 {
6243 default:
8e45593f 6244 got_type = GOT_NORMAL;
3376eaf5
KK
6245 break;
6246 case R_SH_TLS_GD_32:
8e45593f 6247 got_type = GOT_TLS_GD;
3376eaf5
KK
6248 break;
6249 case R_SH_TLS_IE_32:
8e45593f
NC
6250 got_type = GOT_TLS_IE;
6251 break;
6252 case R_SH_GOTFUNCDESC:
6253 case R_SH_GOTFUNCDESC20:
6254 got_type = GOT_FUNCDESC;
3376eaf5
KK
6255 break;
6256 }
6257
37c644f2 6258 if (h != NULL)
3376eaf5 6259 {
396a6083
SC
6260#ifdef INCLUDE_SHMEDIA
6261 if (seen_stt_datalabel)
6262 {
b34976b6
AM
6263 struct elf_sh_link_hash_entry *eh
6264 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
6265
6266 eh->datalabel_got.refcount += 1;
6267 }
6268 else
6269#endif
6270 h->got.refcount += 1;
8e45593f 6271 old_got_type = sh_elf_hash_entry (h)->got_type;
3376eaf5 6272 }
37c644f2
AO
6273 else
6274 {
067653c5
AM
6275 bfd_signed_vma *local_got_refcounts;
6276
435b1e90 6277 /* This is a global offset table entry for a local
067653c5
AM
6278 symbol. */
6279 local_got_refcounts = elf_local_got_refcounts (abfd);
6280 if (local_got_refcounts == NULL)
37c644f2 6281 {
dc810e39 6282 bfd_size_type size;
37c644f2 6283
dc810e39 6284 size = symtab_hdr->sh_info;
067653c5 6285 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
6286#ifdef INCLUDE_SHMEDIA
6287 /* Reserve space for both the datalabel and
6288 codelabel local GOT offsets. */
6289 size *= 2;
6290#endif
3376eaf5 6291 size += symtab_hdr->sh_info;
067653c5
AM
6292 local_got_refcounts = ((bfd_signed_vma *)
6293 bfd_zalloc (abfd, size));
6294 if (local_got_refcounts == NULL)
b34976b6 6295 return FALSE;
067653c5 6296 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
6297#ifdef INCLUDE_SHMEDIA
6298 /* Take care of both the datalabel and codelabel local
6299 GOT offsets. */
8e45593f 6300 sh_elf_local_got_type (abfd)
3376eaf5
KK
6301 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6302#else
8e45593f 6303 sh_elf_local_got_type (abfd)
3376eaf5
KK
6304 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6305#endif
37c644f2 6306 }
396a6083
SC
6307#ifdef INCLUDE_SHMEDIA
6308 if (rel->r_addend & 1)
6309 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6310 else
6311#endif
6312 local_got_refcounts[r_symndx] += 1;
8e45593f 6313 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
3376eaf5
KK
6314 }
6315
6316 /* If a TLS symbol is accessed using IE at least once,
6317 there is no point to use dynamic model for it. */
8e45593f
NC
6318 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
6319 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
3376eaf5 6320 {
8e45593f
NC
6321 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
6322 got_type = GOT_TLS_IE;
3376eaf5
KK
6323 else
6324 {
8e45593f
NC
6325 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
6326 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
6327 (*_bfd_error_handler)
6328 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6329 abfd, h->root.root.string);
6330 else if (old_got_type == GOT_FUNCDESC
6331 || got_type == GOT_FUNCDESC)
6332 (*_bfd_error_handler)
6333 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6334 abfd, h->root.root.string);
6335 else
6336 (*_bfd_error_handler)
d003868e
AM
6337 (_("%B: `%s' accessed both as normal and thread local symbol"),
6338 abfd, h->root.root.string);
b34976b6 6339 return FALSE;
3376eaf5
KK
6340 }
6341 }
6342
8e45593f 6343 if (old_got_type != got_type)
3376eaf5
KK
6344 {
6345 if (h != NULL)
8e45593f 6346 sh_elf_hash_entry (h)->got_type = got_type;
3376eaf5 6347 else
8e45593f 6348 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
37c644f2 6349 }
3376eaf5
KK
6350
6351 break;
6352
6353 case R_SH_TLS_LD_32:
6354 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
6355 break;
6356
8e45593f
NC
6357 case R_SH_FUNCDESC:
6358 case R_SH_GOTOFFFUNCDESC:
6359 case R_SH_GOTOFFFUNCDESC20:
6360 if (rel->r_addend)
6361 {
6362 (*_bfd_error_handler)
6363 (_("%B: Function descriptor relocation with non-zero addend"),
6364 abfd);
6365 return FALSE;
6366 }
6367
6368 if (h == NULL)
6369 {
6370 union gotref *local_funcdesc;
6371
6372 /* We need a function descriptor for a local symbol. */
6373 local_funcdesc = sh_elf_local_funcdesc (abfd);
6374 if (local_funcdesc == NULL)
6375 {
6376 bfd_size_type size;
6377
6378 size = symtab_hdr->sh_info * sizeof (union gotref);
6379#ifdef INCLUDE_SHMEDIA
6380 /* Count datalabel local GOT. */
6381 size *= 2;
6382#endif
6383 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
6384 if (local_funcdesc == NULL)
6385 return FALSE;
6386 sh_elf_local_funcdesc (abfd) = local_funcdesc;
6387 }
6388 local_funcdesc[r_symndx].refcount += 1;
6389
6390 if (r_type == R_SH_FUNCDESC)
6391 {
6392 if (!info->shared)
6393 htab->srofixup->size += 4;
6394 else
6395 htab->srelgot->size += sizeof (Elf32_External_Rela);
6396 }
6397 }
6398 else
6399 {
6400 sh_elf_hash_entry (h)->funcdesc.refcount++;
6401 if (r_type == R_SH_FUNCDESC)
6402 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
6403
6404 /* If there is a function descriptor reference, then
6405 there should not be any non-FDPIC references. */
6406 old_got_type = sh_elf_hash_entry (h)->got_type;
6407 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
6408 {
6409 if (old_got_type == GOT_NORMAL)
6410 (*_bfd_error_handler)
6411 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6412 abfd, h->root.root.string);
6413 else
6414 (*_bfd_error_handler)
6415 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6416 abfd, h->root.root.string);
6417 }
6418 }
6419 break;
6420
fbca6ad9
AO
6421 case R_SH_GOTPLT32:
6422#ifdef INCLUDE_SHMEDIA
6423 case R_SH_GOTPLT_LOW16:
6424 case R_SH_GOTPLT_MEDLOW16:
6425 case R_SH_GOTPLT_MEDHI16:
6426 case R_SH_GOTPLT_HI16:
6427 case R_SH_GOTPLT10BY4:
6428 case R_SH_GOTPLT10BY8:
6429#endif
6430 /* If this is a local symbol, we resolve it directly without
6431 creating a procedure linkage table entry. */
6432
6433 if (h == NULL
f5385ebf 6434 || h->forced_local
fbca6ad9
AO
6435 || ! info->shared
6436 || info->symbolic
067653c5 6437 || h->dynindx == -1)
fbca6ad9
AO
6438 goto force_got;
6439
f5385ebf 6440 h->needs_plt = 1;
067653c5 6441 h->plt.refcount += 1;
4989d792 6442 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
6443
6444 break;
6445
37c644f2 6446 case R_SH_PLT32:
fbca6ad9
AO
6447#ifdef INCLUDE_SHMEDIA
6448 case R_SH_PLT_LOW16:
6449 case R_SH_PLT_MEDLOW16:
6450 case R_SH_PLT_MEDHI16:
6451 case R_SH_PLT_HI16:
6452#endif
37c644f2
AO
6453 /* This symbol requires a procedure linkage table entry. We
6454 actually build the entry in adjust_dynamic_symbol,
6455 because this might be a case of linking PIC code which is
6456 never referenced by a dynamic object, in which case we
6457 don't need to generate a procedure linkage table entry
6458 after all. */
6459
6460 /* If this is a local symbol, we resolve it directly without
6461 creating a procedure linkage table entry. */
6462 if (h == NULL)
6463 continue;
6464
f5385ebf 6465 if (h->forced_local)
37c644f2
AO
6466 break;
6467
f5385ebf 6468 h->needs_plt = 1;
067653c5 6469 h->plt.refcount += 1;
37c644f2
AO
6470 break;
6471
6472 case R_SH_DIR32:
6473 case R_SH_REL32:
46e993b9
KK
6474#ifdef INCLUDE_SHMEDIA
6475 case R_SH_IMM_LOW16_PCREL:
6476 case R_SH_IMM_MEDLOW16_PCREL:
6477 case R_SH_IMM_MEDHI16_PCREL:
6478 case R_SH_IMM_HI16_PCREL:
6479#endif
067653c5
AM
6480 if (h != NULL && ! info->shared)
6481 {
f5385ebf 6482 h->non_got_ref = 1;
067653c5
AM
6483 h->plt.refcount += 1;
6484 }
37c644f2
AO
6485
6486 /* If we are creating a shared library, and this is a reloc
6487 against a global symbol, or a non PC relative reloc
6488 against a local symbol, then we need to copy the reloc
6489 into the shared library. However, if we are linking with
6490 -Bsymbolic, we do not need to copy a reloc against a
6491 global symbol which is defined in an object we are
6492 including in the link (i.e., DEF_REGULAR is set). At
6493 this point we have not seen all the input files, so it is
6494 possible that DEF_REGULAR is not set now but will be set
6495 later (it is never cleared). We account for that
6496 possibility below by storing information in the
067653c5
AM
6497 dyn_relocs field of the hash table entry. A similar
6498 situation occurs when creating shared libraries and symbol
6499 visibility changes render the symbol local.
6500
6501 If on the other hand, we are creating an executable, we
6502 may need to keep relocations for symbols satisfied by a
6503 dynamic library if we manage to avoid copy relocs for the
6504 symbol. */
6505 if ((info->shared
6506 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 6507 && (r_type != R_SH_REL32
067653c5
AM
6508 || (h != NULL
6509 && (! info->symbolic
6510 || h->root.type == bfd_link_hash_defweak
f5385ebf 6511 || !h->def_regular))))
067653c5
AM
6512 || (! info->shared
6513 && (sec->flags & SEC_ALLOC) != 0
6514 && h != NULL
6515 && (h->root.type == bfd_link_hash_defweak
f5385ebf 6516 || !h->def_regular)))
37c644f2 6517 {
067653c5
AM
6518 struct elf_sh_dyn_relocs *p;
6519 struct elf_sh_dyn_relocs **head;
6520
2293c499
AM
6521 if (htab->root.dynobj == NULL)
6522 htab->root.dynobj = abfd;
067653c5 6523
37c644f2
AO
6524 /* When creating a shared object, we must copy these
6525 reloc types into the output file. We create a reloc
6526 section in dynobj and make room for this reloc. */
6527 if (sreloc == NULL)
6528 {
83bac4b0
NC
6529 sreloc = _bfd_elf_make_dynamic_reloc_section
6530 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 6531
37c644f2 6532 if (sreloc == NULL)
83bac4b0 6533 return FALSE;
37c644f2
AO
6534 }
6535
067653c5
AM
6536 /* If this is a global symbol, we count the number of
6537 relocations we need for this symbol. */
6538 if (h != NULL)
6539 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6540 else
37c644f2 6541 {
87d72d41 6542 /* Track dynamic relocs needed for local syms too. */
067653c5 6543 asection *s;
6edfbbad 6544 void *vpp;
87d72d41 6545 Elf_Internal_Sym *isym;
37c644f2 6546
87d72d41
AM
6547 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
6548 abfd, r_symndx);
6549 if (isym == NULL)
b34976b6 6550 return FALSE;
37c644f2 6551
87d72d41
AM
6552 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
6553 if (s == NULL)
6554 s = sec;
6555
6edfbbad
DJ
6556 vpp = &elf_section_data (s)->local_dynrel;
6557 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 6558 }
37c644f2 6559
067653c5
AM
6560 p = *head;
6561 if (p == NULL || p->sec != sec)
6562 {
6563 bfd_size_type amt = sizeof (*p);
2293c499 6564 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 6565 if (p == NULL)
b34976b6 6566 return FALSE;
067653c5
AM
6567 p->next = *head;
6568 *head = p;
6569 p->sec = sec;
6570 p->count = 0;
6571 p->pc_count = 0;
37c644f2 6572 }
067653c5
AM
6573
6574 p->count += 1;
46e993b9
KK
6575 if (r_type == R_SH_REL32
6576#ifdef INCLUDE_SHMEDIA
6577 || r_type == R_SH_IMM_LOW16_PCREL
6578 || r_type == R_SH_IMM_MEDLOW16_PCREL
6579 || r_type == R_SH_IMM_MEDHI16_PCREL
6580 || r_type == R_SH_IMM_HI16_PCREL
6581#endif
6582 )
067653c5 6583 p->pc_count += 1;
37c644f2
AO
6584 }
6585
8e45593f
NC
6586 /* Allocate the fixup regardless of whether we need a relocation.
6587 If we end up generating the relocation, we'll unallocate the
6588 fixup. */
6589 if (htab->fdpic_p && !info->shared
6590 && r_type == R_SH_DIR32
6591 && (sec->flags & SEC_ALLOC) != 0)
6592 htab->srofixup->size += 4;
37c644f2 6593 break;
3376eaf5
KK
6594
6595 case R_SH_TLS_LE_32:
b68593b9 6596 if (info->shared && !info->pie)
3376eaf5 6597 {
d003868e
AM
6598 (*_bfd_error_handler)
6599 (_("%B: TLS local exec code cannot be linked into shared objects"),
6600 abfd);
b34976b6 6601 return FALSE;
3376eaf5
KK
6602 }
6603
267fb3c1 6604 break;
3376eaf5 6605
3376eaf5 6606 case R_SH_TLS_LDO_32:
267fb3c1 6607 /* Nothing to do. */
3376eaf5
KK
6608 break;
6609
6610 default:
6611 break;
435b1e90 6612 }
252b5132 6613 }
435b1e90 6614
b34976b6 6615 return TRUE;
252b5132
RH
6616}
6617
fbca6ad9 6618#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
6619static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6620
b34976b6 6621static bfd_boolean
09fd220b 6622sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 6623{
f6f9408f
JR
6624 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6625
6626 if (flags >= sizeof(sh_ef_bfd_table))
6627 return FALSE;
6628
6629 if (sh_ef_bfd_table[flags] == 0)
6630 return FALSE;
6631
6632 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 6633
b34976b6 6634 return TRUE;
d4845d57 6635}
f6f9408f
JR
6636
6637
6638/* Reverse table lookup for sh_ef_bfd_table[].
6639 Given a bfd MACH value from archures.c
6640 return the equivalent ELF flags from the table.
6641 Return -1 if no match is found. */
6642
6643int
6644sh_elf_get_flags_from_mach (unsigned long mach)
6645{
4195f552 6646 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
f6f9408f
JR
6647
6648 for (; i>0; i--)
6649 if (sh_ef_bfd_table[i] == mach)
6650 return i;
6651
6652 /* shouldn't get here */
6653 BFD_FAIL();
6654
6655 return -1;
6656}
fbca6ad9 6657#endif /* not sh_elf_set_mach_from_flags */
d4845d57 6658
fbca6ad9 6659#ifndef sh_elf_set_private_flags
435b1e90
KH
6660/* Function to keep SH specific file flags. */
6661
b34976b6 6662static bfd_boolean
09fd220b 6663sh_elf_set_private_flags (bfd *abfd, flagword flags)
d4845d57
JR
6664{
6665 BFD_ASSERT (! elf_flags_init (abfd)
6666 || elf_elfheader (abfd)->e_flags == flags);
6667
6668 elf_elfheader (abfd)->e_flags = flags;
b34976b6 6669 elf_flags_init (abfd) = TRUE;
d4845d57
JR
6670 return sh_elf_set_mach_from_flags (abfd);
6671}
fbca6ad9 6672#endif /* not sh_elf_set_private_flags */
d4845d57 6673
fbca6ad9 6674#ifndef sh_elf_copy_private_data
d4845d57 6675/* Copy backend specific data from one object module to another */
435b1e90 6676
b34976b6 6677static bfd_boolean
09fd220b 6678sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 6679{
104d59d1
JM
6680 /* Copy object attributes. */
6681 _bfd_elf_copy_obj_attributes (ibfd, obfd);
6682
0ffa91dd
NC
6683 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6684 return TRUE;
6685
8e45593f
NC
6686 /* Copy the stack size. */
6687 if (elf_tdata (ibfd)->phdr && elf_tdata (obfd)->phdr
6688 && fdpic_object_p (ibfd) && fdpic_object_p (obfd))
6689 {
6690 unsigned i;
6691
6692 for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
6693 if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
6694 {
6695 Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
6696
6697 for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
6698 if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
6699 {
6700 memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
6701
6702 /* Rewrite the phdrs, since we're only called after they
6703 were first written. */
6704 if (bfd_seek (obfd,
6705 (bfd_signed_vma) get_elf_backend_data (obfd)
6706 ->s->sizeof_ehdr, SEEK_SET) != 0
6707 || get_elf_backend_data (obfd)->s
6708 ->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
6709 elf_elfheader (obfd)->e_phnum) != 0)
6710 return FALSE;
6711 break;
6712 }
6713
6714 break;
6715 }
6716 }
6717
d4845d57
JR
6718 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
6719}
fbca6ad9 6720#endif /* not sh_elf_copy_private_data */
d4845d57 6721
fbca6ad9 6722#ifndef sh_elf_merge_private_data
d4845d57 6723
f6f9408f
JR
6724/* This function returns the ELF architecture number that
6725 corresponds to the given arch_sh* flags. */
85fbca6a 6726
f6f9408f
JR
6727int
6728sh_find_elf_flags (unsigned int arch_set)
d4845d57 6729{
85fbca6a 6730 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 6731 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 6732
f6f9408f
JR
6733 return sh_elf_get_flags_from_mach (bfd_mach);
6734}
f6f9408f
JR
6735
6736/* This routine initialises the elf flags when required and
6737 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 6738
f6f9408f
JR
6739static bfd_boolean
6740sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6741{
85fbca6a
NC
6742 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6743
0ffa91dd 6744 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 6745 return TRUE;
d4845d57
JR
6746
6747 if (! elf_flags_init (obfd))
6748 {
a39b79b9 6749 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 6750 elf_flags_init (obfd) = TRUE;
8e45593f 6751 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
f6f9408f 6752 sh_elf_set_mach_from_flags (obfd);
8e45593f
NC
6753 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
6754 elf_elfheader (obfd)->e_flags |= EF_SH_PIC;
d4845d57 6755 }
d4845d57 6756
85fbca6a 6757 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 6758 {
d003868e 6759 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 6760 "with instructions used in previous modules",
d003868e 6761 ibfd);
1d70c7fb
AO
6762 bfd_set_error (bfd_error_bad_value);
6763 return FALSE;
6764 }
f6f9408f 6765
8e45593f
NC
6766 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
6767 elf_elfheader (obfd)->e_flags |=
f6f9408f 6768 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
8e45593f
NC
6769
6770 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
6771 {
6772 _bfd_error_handler ("%B: attempt to mix FDPIC and non-FDPIC objects",
6773 ibfd);
6774 bfd_set_error (bfd_error_bad_value);
6775 return FALSE;
6776 }
6777
f6f9408f 6778 return TRUE;
d4845d57 6779}
fbca6ad9 6780#endif /* not sh_elf_merge_private_data */
d4845d57 6781
3376eaf5
KK
6782/* Override the generic function because we need to store sh_elf_obj_tdata
6783 as the specific tdata. We set also the machine architecture from flags
6784 here. */
6785
b34976b6 6786static bfd_boolean
09fd220b 6787sh_elf_object_p (bfd *abfd)
3376eaf5 6788{
8e45593f
NC
6789 if (! sh_elf_set_mach_from_flags (abfd))
6790 return FALSE;
6791
6792 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
6793 == fdpic_object_p (abfd));
3376eaf5
KK
6794}
6795
37c644f2
AO
6796/* Finish up dynamic symbol handling. We set the contents of various
6797 dynamic sections here. */
6798
b34976b6 6799static bfd_boolean
09fd220b
KK
6800sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6801 struct elf_link_hash_entry *h,
6802 Elf_Internal_Sym *sym)
37c644f2 6803{
067653c5 6804 struct elf_sh_link_hash_table *htab;
37c644f2 6805
067653c5 6806 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
6807 if (htab == NULL)
6808 return FALSE;
37c644f2
AO
6809
6810 if (h->plt.offset != (bfd_vma) -1)
6811 {
6812 asection *splt;
8e45593f
NC
6813 asection *sgotplt;
6814 asection *srelplt;
37c644f2
AO
6815
6816 bfd_vma plt_index;
6817 bfd_vma got_offset;
6818 Elf_Internal_Rela rel;
947216bf 6819 bfd_byte *loc;
8e45593f 6820 const struct elf_sh_plt_info *plt_info;
37c644f2
AO
6821
6822 /* This symbol has an entry in the procedure linkage table. Set
6823 it up. */
6824
6825 BFD_ASSERT (h->dynindx != -1);
6826
067653c5 6827 splt = htab->splt;
8e45593f
NC
6828 sgotplt = htab->sgotplt;
6829 srelplt = htab->srelplt;
6830 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
37c644f2
AO
6831
6832 /* Get the index in the procedure linkage table which
6833 corresponds to this symbol. This is the index of this symbol
6834 in all the symbols for which we are making plt entries. The
6835 first entry in the procedure linkage table is reserved. */
55e6e397 6836 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2 6837
8e45593f
NC
6838 plt_info = htab->plt_info;
6839 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6840 plt_info = plt_info->short_plt;
6841
37c644f2 6842 /* Get the offset into the .got table of the entry that
8e45593f
NC
6843 corresponds to this function. */
6844 if (htab->fdpic_p)
6845 /* The offset must be relative to the GOT symbol, twelve bytes
6846 before the end of .got.plt. Each descriptor is eight
6847 bytes. */
6848 got_offset = plt_index * 8 + 12 - sgotplt->size;
6849 else
6850 /* Each .got entry is 4 bytes. The first three are
6851 reserved. */
6852 got_offset = (plt_index + 3) * 4;
37c644f2 6853
fbca6ad9 6854#ifdef GOT_BIAS
c8614e8e
AM
6855 if (info->shared)
6856 got_offset -= GOT_BIAS;
fbca6ad9
AO
6857#endif
6858
37c644f2 6859 /* Fill in the entry in the procedure linkage table. */
55e6e397 6860 memcpy (splt->contents + h->plt.offset,
8e45593f
NC
6861 plt_info->symbol_entry,
6862 plt_info->symbol_entry_size);
55e6e397 6863
8e45593f
NC
6864 if (info->shared || htab->fdpic_p)
6865 {
6866 if (plt_info->symbol_fields.got20)
6867 {
6868 bfd_reloc_status_type r;
6869 r = install_movi20_field (output_bfd, got_offset,
6870 splt->owner, splt, splt->contents,
6871 h->plt.offset
6872 + plt_info->symbol_fields.got_entry);
6873 BFD_ASSERT (r == bfd_reloc_ok);
6874 }
6875 else
6876 install_plt_field (output_bfd, FALSE, got_offset,
6877 (splt->contents
6878 + h->plt.offset
6879 + plt_info->symbol_fields.got_entry));
6880 }
55e6e397 6881 else
37c644f2 6882 {
8e45593f
NC
6883 BFD_ASSERT (!plt_info->symbol_fields.got20);
6884
55e6e397 6885 install_plt_field (output_bfd, FALSE,
8e45593f
NC
6886 (sgotplt->output_section->vma
6887 + sgotplt->output_offset
fbca6ad9 6888 + got_offset),
55e6e397
RS
6889 (splt->contents
6890 + h->plt.offset
8e45593f 6891 + plt_info->symbol_fields.got_entry));
55e6e397 6892 if (htab->vxworks_p)
37c644f2 6893 {
55e6e397
RS
6894 unsigned int reachable_plts, plts_per_4k;
6895 int distance;
6896
6897 /* Divide the PLT into groups. The first group contains
6898 REACHABLE_PLTS entries and the other groups contain
6899 PLTS_PER_4K entries. Entries in the first group can
6900 branch directly to .plt; those in later groups branch
6901 to the last element of the previous group. */
6902 /* ??? It would be better to create multiple copies of
6903 the common resolver stub. */
6904 reachable_plts = ((4096
8e45593f
NC
6905 - plt_info->plt0_entry_size
6906 - (plt_info->symbol_fields.plt + 4))
6907 / plt_info->symbol_entry_size) + 1;
6908 plts_per_4k = (4096 / plt_info->symbol_entry_size);
55e6e397
RS
6909 if (plt_index < reachable_plts)
6910 distance = -(h->plt.offset
8e45593f 6911 + plt_info->symbol_fields.plt);
55e6e397
RS
6912 else
6913 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
8e45593f 6914 * plt_info->symbol_entry_size);
55e6e397
RS
6915
6916 /* Install the 'bra' with this offset. */
6917 bfd_put_16 (output_bfd,
6918 0xa000 | (0x0fff & ((distance - 4) / 2)),
6919 (splt->contents
6920 + h->plt.offset
8e45593f 6921 + plt_info->symbol_fields.plt));
37c644f2 6922 }
55e6e397
RS
6923 else
6924 install_plt_field (output_bfd, TRUE,
6925 splt->output_section->vma + splt->output_offset,
6926 (splt->contents
6927 + h->plt.offset
8e45593f 6928 + plt_info->symbol_fields.plt));
37c644f2
AO
6929 }
6930
8e45593f 6931 /* Make got_offset relative to the start of .got.plt. */
fbca6ad9 6932#ifdef GOT_BIAS
c8614e8e
AM
6933 if (info->shared)
6934 got_offset += GOT_BIAS;
fbca6ad9 6935#endif
8e45593f
NC
6936 if (htab->fdpic_p)
6937 got_offset = plt_index * 8;
fbca6ad9 6938
8e45593f
NC
6939 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6940 install_plt_field (output_bfd, FALSE,
6941 plt_index * sizeof (Elf32_External_Rela),
6942 (splt->contents
6943 + h->plt.offset
6944 + plt_info->symbol_fields.reloc_offset));
37c644f2
AO
6945
6946 /* Fill in the entry in the global offset table. */
6947 bfd_put_32 (output_bfd,
6948 (splt->output_section->vma
6949 + splt->output_offset
6950 + h->plt.offset
8e45593f
NC
6951 + plt_info->symbol_resolve_offset),
6952 sgotplt->contents + got_offset);
6953 if (htab->fdpic_p)
6954 bfd_put_32 (output_bfd,
6955 sh_elf_osec_to_segment (output_bfd,
6956 htab->splt->output_section),
6957 sgotplt->contents + got_offset + 4);
37c644f2
AO
6958
6959 /* Fill in the entry in the .rela.plt section. */
8e45593f
NC
6960 rel.r_offset = (sgotplt->output_section->vma
6961 + sgotplt->output_offset
37c644f2 6962 + got_offset);
8e45593f
NC
6963 if (htab->fdpic_p)
6964 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6965 else
6966 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
37c644f2 6967 rel.r_addend = 0;
fbca6ad9
AO
6968#ifdef GOT_BIAS
6969 rel.r_addend = GOT_BIAS;
6970#endif
8e45593f 6971 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
947216bf 6972 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 6973
55e6e397
RS
6974 if (htab->vxworks_p && !info->shared)
6975 {
6976 /* Create the .rela.plt.unloaded relocations for this PLT entry.
6977 Begin by pointing LOC to the first such relocation. */
6978 loc = (htab->srelplt2->contents
6979 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
6980
6981 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
6982 for the PLT entry's pointer to the .got.plt entry. */
6983 rel.r_offset = (htab->splt->output_section->vma
6984 + htab->splt->output_offset
6985 + h->plt.offset
8e45593f 6986 + plt_info->symbol_fields.got_entry);
55e6e397
RS
6987 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6988 rel.r_addend = got_offset;
6989 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6990 loc += sizeof (Elf32_External_Rela);
6991
6992 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
6993 the .got.plt entry, which initially points to .plt. */
8e45593f
NC
6994 rel.r_offset = (sgotplt->output_section->vma
6995 + sgotplt->output_offset
55e6e397
RS
6996 + got_offset);
6997 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
6998 rel.r_addend = 0;
6999 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7000 }
7001
f5385ebf 7002 if (!h->def_regular)
37c644f2
AO
7003 {
7004 /* Mark the symbol as undefined, rather than as defined in
7005 the .plt section. Leave the value alone. */
7006 sym->st_shndx = SHN_UNDEF;
7007 }
7008 }
7009
3376eaf5 7010 if (h->got.offset != (bfd_vma) -1
8e45593f
NC
7011 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
7012 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
7013 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
37c644f2
AO
7014 {
7015 asection *sgot;
8e45593f 7016 asection *srelgot;
37c644f2 7017 Elf_Internal_Rela rel;
947216bf 7018 bfd_byte *loc;
37c644f2
AO
7019
7020 /* This symbol has an entry in the global offset table. Set it
7021 up. */
7022
067653c5 7023 sgot = htab->sgot;
8e45593f
NC
7024 srelgot = htab->srelgot;
7025 BFD_ASSERT (sgot != NULL && srelgot != NULL);
37c644f2
AO
7026
7027 rel.r_offset = (sgot->output_section->vma
7028 + sgot->output_offset
dc810e39 7029 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 7030
067653c5
AM
7031 /* If this is a static link, or it is a -Bsymbolic link and the
7032 symbol is defined locally or was forced to be local because
7033 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
7034 The entry in the global offset table will already have been
7035 initialized in the relocate_section function. */
7036 if (info->shared
3d85aebe 7037 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2 7038 {
8e45593f
NC
7039 if (htab->fdpic_p)
7040 {
7041 asection *sec = h->root.u.def.section;
7042 int dynindx
7043 = elf_section_data (sec->output_section)->dynindx;
7044
7045 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
7046 rel.r_addend = (h->root.u.def.value
7047 + h->root.u.def.section->output_offset);
7048 }
7049 else
7050 {
7051 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
7052 rel.r_addend = (h->root.u.def.value
7053 + h->root.u.def.section->output_section->vma
7054 + h->root.u.def.section->output_offset);
7055 }
37c644f2
AO
7056 }
7057 else
7058 {
7059 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
7060 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7061 rel.r_addend = 0;
7062 }
7063
8e45593f
NC
7064 loc = srelgot->contents;
7065 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 7066 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
7067 }
7068
396a6083
SC
7069#ifdef INCLUDE_SHMEDIA
7070 {
7071 struct elf_sh_link_hash_entry *eh;
7072
7073 eh = (struct elf_sh_link_hash_entry *) h;
7074 if (eh->datalabel_got.offset != (bfd_vma) -1)
7075 {
7076 asection *sgot;
8e45593f 7077 asection *srelgot;
396a6083 7078 Elf_Internal_Rela rel;
947216bf 7079 bfd_byte *loc;
396a6083
SC
7080
7081 /* This symbol has a datalabel entry in the global offset table.
7082 Set it up. */
7083
7084 sgot = htab->sgot;
8e45593f
NC
7085 srelgot = htab->srelgot;
7086 BFD_ASSERT (sgot != NULL && srelgot != NULL);
396a6083
SC
7087
7088 rel.r_offset = (sgot->output_section->vma
7089 + sgot->output_offset
7090 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
7091
7092 /* If this is a static link, or it is a -Bsymbolic link and the
7093 symbol is defined locally or was forced to be local because
7094 of a version file, we just want to emit a RELATIVE reloc.
7095 The entry in the global offset table will already have been
7096 initialized in the relocate_section function. */
7097 if (info->shared
3d85aebe 7098 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083 7099 {
8e45593f
NC
7100 if (htab->fdpic_p)
7101 {
7102 asection *sec = h->root.u.def.section;
7103 int dynindx
7104 = elf_section_data (sec->output_section)->dynindx;
7105
7106 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
7107 rel.r_addend = (h->root.u.def.value
7108 + h->root.u.def.section->output_offset);
7109 }
7110 else
7111 {
7112 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
7113 rel.r_addend = (h->root.u.def.value
7114 + h->root.u.def.section->output_section->vma
7115 + h->root.u.def.section->output_offset);
7116 }
396a6083
SC
7117 }
7118 else
7119 {
7120 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7121 + eh->datalabel_got.offset);
7122 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7123 rel.r_addend = 0;
7124 }
7125
8e45593f
NC
7126 loc = srelgot->contents;
7127 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 7128 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
7129 }
7130 }
7131#endif
7132
f5385ebf 7133 if (h->needs_copy)
37c644f2
AO
7134 {
7135 asection *s;
7136 Elf_Internal_Rela rel;
947216bf 7137 bfd_byte *loc;
37c644f2
AO
7138
7139 /* This symbol needs a copy reloc. Set it up. */
7140
7141 BFD_ASSERT (h->dynindx != -1
7142 && (h->root.type == bfd_link_hash_defined
7143 || h->root.type == bfd_link_hash_defweak));
7144
3d4d4302 7145 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
37c644f2
AO
7146 BFD_ASSERT (s != NULL);
7147
7148 rel.r_offset = (h->root.u.def.value
7149 + h->root.u.def.section->output_section->vma
7150 + h->root.u.def.section->output_offset);
7151 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7152 rel.r_addend = 0;
947216bf
AM
7153 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7154 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
7155 }
7156
55e6e397
RS
7157 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
7158 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
7159 ".got" section. */
9637f6ef 7160 if (h == htab->root.hdynamic
55e6e397 7161 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
7162 sym->st_shndx = SHN_ABS;
7163
b34976b6 7164 return TRUE;
37c644f2
AO
7165}
7166
7167/* Finish up the dynamic sections. */
7168
b34976b6 7169static bfd_boolean
09fd220b 7170sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 7171{
067653c5 7172 struct elf_sh_link_hash_table *htab;
8e45593f 7173 asection *sgotplt;
37c644f2
AO
7174 asection *sdyn;
7175
067653c5 7176 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
7177 if (htab == NULL)
7178 return FALSE;
7179
8e45593f 7180 sgotplt = htab->sgotplt;
3d4d4302 7181 sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
37c644f2 7182
067653c5 7183 if (htab->root.dynamic_sections_created)
37c644f2
AO
7184 {
7185 asection *splt;
7186 Elf32_External_Dyn *dyncon, *dynconend;
7187
8e45593f 7188 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
37c644f2
AO
7189
7190 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 7191 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
7192 for (; dyncon < dynconend; dyncon++)
7193 {
7194 Elf_Internal_Dyn dyn;
37c644f2 7195 asection *s;
067653c5
AM
7196#ifdef INCLUDE_SHMEDIA
7197 const char *name;
7198#endif
37c644f2 7199
2293c499 7200 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
7201
7202 switch (dyn.d_tag)
7203 {
7204 default:
7a2b07ff
NS
7205 if (htab->vxworks_p
7206 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
7207 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
7208 break;
7209
3b587c71
AM
7210#ifdef INCLUDE_SHMEDIA
7211 case DT_INIT:
7212 name = info->init_function;
7213 goto get_sym;
7214
7215 case DT_FINI:
7216 name = info->fini_function;
7217 get_sym:
7218 if (dyn.d_un.d_val != 0)
7219 {
067653c5
AM
7220 struct elf_link_hash_entry *h;
7221
7222 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 7223 FALSE, FALSE, TRUE);
3b587c71
AM
7224 if (h != NULL && (h->other & STO_SH5_ISA32))
7225 {
7226 dyn.d_un.d_val |= 1;
7227 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7228 }
7229 }
7230 break;
7231#endif
7232
37c644f2 7233 case DT_PLTGOT:
8e45593f
NC
7234 BFD_ASSERT (htab->root.hgot != NULL);
7235 s = htab->root.hgot->root.u.def.section;
7236 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
7237 + s->output_section->vma + s->output_offset;
7238 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7239 break;
37c644f2
AO
7240
7241 case DT_JMPREL:
067653c5 7242 s = htab->srelplt->output_section;
37c644f2
AO
7243 BFD_ASSERT (s != NULL);
7244 dyn.d_un.d_ptr = s->vma;
7245 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7246 break;
7247
7248 case DT_PLTRELSZ:
067653c5 7249 s = htab->srelplt->output_section;
37c644f2 7250 BFD_ASSERT (s != NULL);
eea6121a 7251 dyn.d_un.d_val = s->size;
37c644f2
AO
7252 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7253 break;
7254
7255 case DT_RELASZ:
7256 /* My reading of the SVR4 ABI indicates that the
7257 procedure linkage table relocs (DT_JMPREL) should be
7258 included in the overall relocs (DT_RELA). This is
7259 what Solaris does. However, UnixWare can not handle
7260 that case. Therefore, we override the DT_RELASZ entry
7261 here to make it not include the JMPREL relocs. Since
7262 the linker script arranges for .rela.plt to follow all
7263 other relocation sections, we don't have to worry
7264 about changing the DT_RELA entry. */
067653c5 7265 if (htab->srelplt != NULL)
37c644f2 7266 {
067653c5 7267 s = htab->srelplt->output_section;
eea6121a 7268 dyn.d_un.d_val -= s->size;
37c644f2
AO
7269 }
7270 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7271 break;
7272 }
7273 }
7274
7275 /* Fill in the first entry in the procedure linkage table. */
067653c5 7276 splt = htab->splt;
55e6e397 7277 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 7278 {
55e6e397
RS
7279 unsigned int i;
7280
7281 memcpy (splt->contents,
7282 htab->plt_info->plt0_entry,
7283 htab->plt_info->plt0_entry_size);
7284 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
7285 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
7286 install_plt_field (output_bfd, FALSE,
8e45593f
NC
7287 (sgotplt->output_section->vma
7288 + sgotplt->output_offset
55e6e397
RS
7289 + (i * 4)),
7290 (splt->contents
7291 + htab->plt_info->plt0_got_fields[i]));
7292
7293 if (htab->vxworks_p)
37c644f2 7294 {
55e6e397
RS
7295 /* Finalize the .rela.plt.unloaded contents. */
7296 Elf_Internal_Rela rel;
7297 bfd_byte *loc;
7298
7299 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
7300 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
7301 loc = htab->srelplt2->contents;
7302 rel.r_offset = (splt->output_section->vma
7303 + splt->output_offset
7304 + htab->plt_info->plt0_got_fields[2]);
7305 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
7306 rel.r_addend = 8;
7307 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7308 loc += sizeof (Elf32_External_Rela);
7309
7310 /* Fix up the remaining .rela.plt.unloaded relocations.
7311 They may have the wrong symbol index for _G_O_T_ or
7312 _P_L_T_ depending on the order in which symbols were
7313 output. */
7314 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 7315 {
55e6e397
RS
7316 /* The PLT entry's pointer to the .got.plt slot. */
7317 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7318 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
7319 R_SH_DIR32);
7320 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7321 loc += sizeof (Elf32_External_Rela);
7322
7323 /* The .got.plt slot's pointer to .plt. */
7324 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7325 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
7326 R_SH_DIR32);
7327 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7328 loc += sizeof (Elf32_External_Rela);
37c644f2 7329 }
37c644f2
AO
7330 }
7331
7332 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7333 really seem like the right value. */
7334 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7335 }
7336 }
7337
7338 /* Fill in the first three entries in the global offset table. */
8e45593f 7339 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
37c644f2
AO
7340 {
7341 if (sdyn == NULL)
8e45593f 7342 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
37c644f2
AO
7343 else
7344 bfd_put_32 (output_bfd,
7345 sdyn->output_section->vma + sdyn->output_offset,
8e45593f
NC
7346 sgotplt->contents);
7347 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
7348 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
7349 }
37c644f2 7350
8e45593f
NC
7351 if (sgotplt && sgotplt->size > 0)
7352 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
7353
7354 /* At the very end of the .rofixup section is a pointer to the GOT. */
7355 if (htab->fdpic_p && htab->srofixup != NULL)
7356 {
7357 struct elf_link_hash_entry *hgot = htab->root.hgot;
7358 bfd_vma got_value = hgot->root.u.def.value
7359 + hgot->root.u.def.section->output_section->vma
7360 + hgot->root.u.def.section->output_offset;
7361
7362 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
7363
7364 /* Make sure we allocated and generated the same number of fixups. */
7365 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
067653c5 7366 }
37c644f2 7367
8e45593f
NC
7368 if (htab->srelfuncdesc)
7369 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
7370 == htab->srelfuncdesc->size);
7371
7372 if (htab->srelgot)
7373 BFD_ASSERT (htab->srelgot->reloc_count * sizeof (Elf32_External_Rela)
7374 == htab->srelgot->size);
7375
b34976b6 7376 return TRUE;
37c644f2
AO
7377}
7378
99e4ae17 7379static enum elf_reloc_type_class
09fd220b 7380sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
99e4ae17 7381{
f51e552e 7382 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
7383 {
7384 case R_SH_RELATIVE:
7385 return reloc_class_relative;
7386 case R_SH_JMP_SLOT:
7387 return reloc_class_plt;
7388 case R_SH_COPY:
7389 return reloc_class_copy;
7390 default:
7391 return reloc_class_normal;
7392 }
7393}
7394
85fbca6a 7395#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 7396/* Support for Linux core dump NOTE sections. */
85fbca6a 7397
b34976b6 7398static bfd_boolean
09fd220b 7399elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7400{
7401 int offset;
eea6121a 7402 unsigned int size;
2bc3c89a
AM
7403
7404 switch (note->descsz)
7405 {
7406 default:
b34976b6 7407 return FALSE;
2bc3c89a
AM
7408
7409 case 168: /* Linux/SH */
7410 /* pr_cursig */
7411 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
7412
7413 /* pr_pid */
261b8d08 7414 elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 24);
2bc3c89a
AM
7415
7416 /* pr_reg */
7417 offset = 72;
eea6121a 7418 size = 92;
2bc3c89a
AM
7419
7420 break;
7421 }
7422
7423 /* Make a ".reg/999" section. */
7424 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 7425 size, note->descpos + offset);
2bc3c89a
AM
7426}
7427
b34976b6 7428static bfd_boolean
09fd220b 7429elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
7430{
7431 switch (note->descsz)
7432 {
7433 default:
b34976b6 7434 return FALSE;
2bc3c89a
AM
7435
7436 case 124: /* Linux/SH elf_prpsinfo */
7437 elf_tdata (abfd)->core_program
7438 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7439 elf_tdata (abfd)->core_command
7440 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7441 }
7442
7443 /* Note that for some reason, a spurious space is tacked
7444 onto the end of the args in some (at least one anyway)
7445 implementations, so strip it off if it exists. */
7446
7447 {
7448 char *command = elf_tdata (abfd)->core_command;
7449 int n = strlen (command);
7450
7451 if (0 < n && command[n - 1] == ' ')
7452 command[n - 1] = '\0';
7453 }
7454
b34976b6 7455 return TRUE;
2bc3c89a 7456}
85fbca6a 7457#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 7458
1f1799d5
KK
7459
7460/* Return address for Ith PLT stub in section PLT, for relocation REL
7461 or (bfd_vma) -1 if it should not be included. */
7462
7463static bfd_vma
7464sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7465 const arelent *rel ATTRIBUTE_UNUSED)
7466{
55e6e397
RS
7467 const struct elf_sh_plt_info *plt_info;
7468
7469 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
7470 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
7471}
7472
8e45593f
NC
7473/* Decide whether to attempt to turn absptr or lsda encodings in
7474 shared libraries into pcrel within the given input section. */
7475
7476static bfd_boolean
7477sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
7478 struct bfd_link_info *info,
7479 asection *eh_frame_section ATTRIBUTE_UNUSED)
7480{
7481 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7482
7483 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
7484 if (htab->fdpic_p)
7485 return FALSE;
7486
7487 return TRUE;
7488}
7489
7490/* Adjust the contents of an eh_frame_hdr section before they're output. */
7491
7492static bfd_byte
7493sh_elf_encode_eh_address (bfd *abfd,
7494 struct bfd_link_info *info,
7495 asection *osec, bfd_vma offset,
7496 asection *loc_sec, bfd_vma loc_offset,
7497 bfd_vma *encoded)
7498{
7499 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7500 struct elf_link_hash_entry *h;
7501
7502 if (!htab->fdpic_p)
7503 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
7504 loc_offset, encoded);
7505
7506 h = htab->root.hgot;
7507 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
7508
7509 if (! h || (sh_elf_osec_to_segment (abfd, osec)
7510 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
7511 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
7512 loc_sec, loc_offset, encoded);
7513
7514 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
7515 == (sh_elf_osec_to_segment
7516 (abfd, h->root.u.def.section->output_section)));
7517
7518 *encoded = osec->vma + offset
7519 - (h->root.u.def.value
7520 + h->root.u.def.section->output_section->vma
7521 + h->root.u.def.section->output_offset);
7522
7523 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
7524}
7525
85fbca6a 7526#if !defined SH_TARGET_ALREADY_DEFINED
252b5132
RH
7527#define TARGET_BIG_SYM bfd_elf32_sh_vec
7528#define TARGET_BIG_NAME "elf32-sh"
7529#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
7530#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
7531#endif
7532
252b5132 7533#define ELF_ARCH bfd_arch_sh
ae95ffa6 7534#define ELF_TARGET_ID SH_ELF_DATA
252b5132 7535#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
7536#ifdef __QNXTARGET__
7537#define ELF_MAXPAGESIZE 0x1000
7538#else
7539#define ELF_MAXPAGESIZE 0x80
7540#endif
252b5132
RH
7541
7542#define elf_symbol_leading_char '_'
7543
7544#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
7545#define bfd_elf32_bfd_reloc_name_lookup \
7546 sh_elf_reloc_name_lookup
252b5132
RH
7547#define elf_info_to_howto sh_elf_info_to_howto
7548#define bfd_elf32_bfd_relax_section sh_elf_relax_section
7549#define elf_backend_relocate_section sh_elf_relocate_section
7550#define bfd_elf32_bfd_get_relocated_section_contents \
7551 sh_elf_get_relocated_section_contents
3376eaf5
KK
7552#define bfd_elf32_mkobject sh_elf_mkobject
7553#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
7554#define bfd_elf32_bfd_set_private_bfd_flags \
7555 sh_elf_set_private_flags
7556#define bfd_elf32_bfd_copy_private_bfd_data \
7557 sh_elf_copy_private_data
875f7f69 7558#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 7559 sh_elf_merge_private_data
252b5132 7560
067653c5
AM
7561#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7562#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7563#define elf_backend_check_relocs sh_elf_check_relocs
7564#define elf_backend_copy_indirect_symbol \
7565 sh_elf_copy_indirect_symbol
37c644f2
AO
7566#define elf_backend_create_dynamic_sections \
7567 sh_elf_create_dynamic_sections
7568#define bfd_elf32_bfd_link_hash_table_create \
7569 sh_elf_link_hash_table_create
7570#define elf_backend_adjust_dynamic_symbol \
7571 sh_elf_adjust_dynamic_symbol
55e6e397
RS
7572#define elf_backend_always_size_sections \
7573 sh_elf_always_size_sections
37c644f2
AO
7574#define elf_backend_size_dynamic_sections \
7575 sh_elf_size_dynamic_sections
8e45593f 7576#define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
37c644f2
AO
7577#define elf_backend_finish_dynamic_symbol \
7578 sh_elf_finish_dynamic_symbol
7579#define elf_backend_finish_dynamic_sections \
7580 sh_elf_finish_dynamic_sections
99e4ae17 7581#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 7582#define elf_backend_plt_sym_val sh_elf_plt_sym_val
8e45593f
NC
7583#define elf_backend_can_make_relative_eh_frame \
7584 sh_elf_use_relative_eh_frame
7585#define elf_backend_can_make_lsda_relative_eh_frame \
7586 sh_elf_use_relative_eh_frame
7587#define elf_backend_encode_eh_address \
7588 sh_elf_encode_eh_address
37c644f2 7589
067653c5
AM
7590#define elf_backend_can_gc_sections 1
7591#define elf_backend_can_refcount 1
37c644f2
AO
7592#define elf_backend_want_got_plt 1
7593#define elf_backend_plt_readonly 1
7594#define elf_backend_want_plt_sym 0
7595#define elf_backend_got_header_size 12
ed71e111 7596
85fbca6a 7597#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 7598
252b5132 7599#include "elf32-target.h"
ed71e111 7600
2bc3c89a
AM
7601/* NetBSD support. */
7602#undef TARGET_BIG_SYM
7603#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
7604#undef TARGET_BIG_NAME
7605#define TARGET_BIG_NAME "elf32-sh-nbsd"
7606#undef TARGET_LITTLE_SYM
7607#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
7608#undef TARGET_LITTLE_NAME
7609#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7610#undef ELF_MAXPAGESIZE
7611#define ELF_MAXPAGESIZE 0x10000
24718e3b 7612#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
7613#undef elf_symbol_leading_char
7614#define elf_symbol_leading_char 0
571fe01f 7615#undef elf32_bed
2bc3c89a
AM
7616#define elf32_bed elf32_sh_nbsd_bed
7617
7618#include "elf32-target.h"
7619
2bc3c89a
AM
7620
7621/* Linux support. */
7622#undef TARGET_BIG_SYM
7623#define TARGET_BIG_SYM bfd_elf32_shblin_vec
7624#undef TARGET_BIG_NAME
7625#define TARGET_BIG_NAME "elf32-shbig-linux"
7626#undef TARGET_LITTLE_SYM
7627#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
7628#undef TARGET_LITTLE_NAME
7629#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
7630#undef ELF_COMMONPAGESIZE
7631#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
7632
7633#undef elf_backend_grok_prstatus
7634#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7635#undef elf_backend_grok_psinfo
7636#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 7637#undef elf32_bed
2bc3c89a
AM
7638#define elf32_bed elf32_sh_lin_bed
7639
7640#include "elf32-target.h"
7641
8e45593f
NC
7642
7643/* FDPIC support. */
7644#undef TARGET_BIG_SYM
7645#define TARGET_BIG_SYM bfd_elf32_shbfd_vec
7646#undef TARGET_BIG_NAME
7647#define TARGET_BIG_NAME "elf32-shbig-fdpic"
7648#undef TARGET_LITTLE_SYM
7649#define TARGET_LITTLE_SYM bfd_elf32_shfd_vec
7650#undef TARGET_LITTLE_NAME
7651#define TARGET_LITTLE_NAME "elf32-sh-fdpic"
7652#undef elf_backend_modify_program_headers
7653#define elf_backend_modify_program_headers \
7654 sh_elf_modify_program_headers
7655
7656#undef elf32_bed
7657#define elf32_bed elf32_sh_fd_bed
7658
7659#include "elf32-target.h"
7660
7661#undef elf_backend_modify_program_headers
7662
7663/* VxWorks support. */
55e6e397
RS
7664#undef TARGET_BIG_SYM
7665#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
7666#undef TARGET_BIG_NAME
7667#define TARGET_BIG_NAME "elf32-sh-vxworks"
7668#undef TARGET_LITTLE_SYM
7669#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
7670#undef TARGET_LITTLE_NAME
7671#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
7672#undef elf32_bed
7673#define elf32_bed elf32_sh_vxworks_bed
7674
7675#undef elf_backend_want_plt_sym
7676#define elf_backend_want_plt_sym 1
7677#undef elf_symbol_leading_char
7678#define elf_symbol_leading_char '_'
7679#define elf_backend_want_got_underscore 1
7680#undef elf_backend_grok_prstatus
7681#undef elf_backend_grok_psinfo
7682#undef elf_backend_add_symbol_hook
7683#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
7684#undef elf_backend_link_output_symbol_hook
7685#define elf_backend_link_output_symbol_hook \
7686 elf_vxworks_link_output_symbol_hook
7687#undef elf_backend_emit_relocs
7688#define elf_backend_emit_relocs elf_vxworks_emit_relocs
7689#undef elf_backend_final_write_processing
7690#define elf_backend_final_write_processing \
7691 elf_vxworks_final_write_processing
7692#undef ELF_MAXPAGESIZE
7693#define ELF_MAXPAGESIZE 0x1000
7694#undef ELF_COMMONPAGESIZE
7695
7696#include "elf32-target.h"
7697
85fbca6a 7698#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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