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ef230218 1/* Renesas / SuperH SH specific support for 32-bit ELF
22d606e9 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4dfe6ac6 3 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
252b5132
RH
4 Contributed by Ian Lance Taylor, Cygnus Support.
5
571fe01f 6 This file is part of BFD, the Binary File Descriptor library.
252b5132 7
571fe01f
NC
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
cd123cb7 10 the Free Software Foundation; either version 3 of the License, or
571fe01f 11 (at your option) any later version.
252b5132 12
571fe01f
NC
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
252b5132 17
571fe01f
NC
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
cd123cb7
NC
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
252b5132 22
252b5132 23#include "sysdep.h"
3db64b00 24#include "bfd.h"
252b5132
RH
25#include "bfdlink.h"
26#include "libbfd.h"
27#include "elf-bfd.h"
55e6e397 28#include "elf-vxworks.h"
252b5132 29#include "elf/sh.h"
f6f9408f 30#include "libiberty.h"
871ec896 31#include "../opcodes/sh-opc.h"
252b5132
RH
32
33static bfd_reloc_status_type sh_elf_reloc
09fd220b 34 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
252b5132 35static bfd_reloc_status_type sh_elf_ignore_reloc
09fd220b 36 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
b34976b6 37static bfd_boolean sh_elf_relax_delete_bytes
09fd220b 38 (bfd *, asection *, bfd_vma, int);
b34976b6 39static bfd_boolean sh_elf_align_loads
09fd220b 40 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
85fbca6a 41#ifndef SH64_ELF
b34976b6 42static bfd_boolean sh_elf_swap_insns
09fd220b 43 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
85fbca6a 44#endif
3376eaf5 45static int sh_elf_optimized_tls_reloc
09fd220b 46 (struct bfd_link_info *, int, int);
3376eaf5 47static bfd_vma dtpoff_base
09fd220b 48 (struct bfd_link_info *);
267fb3c1 49static bfd_vma tpoff
09fd220b 50 (struct bfd_link_info *, bfd_vma);
37c644f2
AO
51
52/* The name of the dynamic interpreter. This is put in the .interp
53 section. */
54
55#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
252b5132 56
55e6e397
RS
57#define MINUS_ONE ((bfd_vma) 0 - 1)
58\f
59#define SH_PARTIAL32 TRUE
60#define SH_SRC_MASK32 0xffffffff
61#define SH_ELF_RELOC sh_elf_reloc
38b1a46c
NC
62static reloc_howto_type sh_elf_howto_table[] =
63{
55e6e397
RS
64#include "elf32-sh-relocs.h"
65};
fbca6ad9 66
55e6e397
RS
67#define SH_PARTIAL32 FALSE
68#define SH_SRC_MASK32 0
69#define SH_ELF_RELOC bfd_elf_generic_reloc
70static reloc_howto_type sh_vxworks_howto_table[] =
71{
72#include "elf32-sh-relocs.h"
73};
74\f
75/* Return true if OUTPUT_BFD is a VxWorks object. */
fbca6ad9 76
55e6e397 77static bfd_boolean
527a23b8 78vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
55e6e397 79{
527a23b8 80#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
55e6e397
RS
81 extern const bfd_target bfd_elf32_shlvxworks_vec;
82 extern const bfd_target bfd_elf32_shvxworks_vec;
fbca6ad9 83
55e6e397
RS
84 return (abfd->xvec == &bfd_elf32_shlvxworks_vec
85 || abfd->xvec == &bfd_elf32_shvxworks_vec);
527a23b8
NC
86#else
87 return FALSE;
88#endif
55e6e397 89}
fbca6ad9 90
55e6e397 91/* Return the howto table for ABFD. */
fbca6ad9 92
55e6e397
RS
93static reloc_howto_type *
94get_howto_table (bfd *abfd)
95{
96 if (vxworks_object_p (abfd))
97 return sh_vxworks_howto_table;
98 return sh_elf_howto_table;
99}
252b5132 100
015551fc 101static bfd_reloc_status_type
09fd220b
KK
102sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
103 asection *input_section, bfd_byte *contents,
104 bfd_vma addr, asection *symbol_section,
105 bfd_vma start, bfd_vma end)
015551fc
JR
106{
107 static bfd_vma last_addr;
00fdaf47 108 static asection *last_symbol_section;
015551fc
JR
109 bfd_byte *start_ptr, *ptr, *last_ptr;
110 int diff, cum_diff;
111 bfd_signed_vma x;
112 int insn;
113
114 /* Sanity check the address. */
07515404 115 if (addr > bfd_get_section_limit (input_bfd, input_section))
015551fc
JR
116 return bfd_reloc_outofrange;
117
118 /* We require the start and end relocations to be processed consecutively -
119 although we allow then to be processed forwards or backwards. */
120 if (! last_addr)
121 {
122 last_addr = addr;
123 last_symbol_section = symbol_section;
124 return bfd_reloc_ok;
125 }
126 if (last_addr != addr)
127 abort ();
128 last_addr = 0;
129
130 if (! symbol_section || last_symbol_section != symbol_section || end < start)
131 return bfd_reloc_outofrange;
132
133 /* Get the symbol_section contents. */
134 if (symbol_section != input_section)
135 {
136 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
137 contents = elf_section_data (symbol_section)->this_hdr.contents;
138 else
139 {
eea6121a
AM
140 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
141 &contents))
015551fc 142 {
eea6121a
AM
143 if (contents != NULL)
144 free (contents);
015551fc
JR
145 return bfd_reloc_outofrange;
146 }
147 }
148 }
149#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
150 start_ptr = contents + start;
151 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
152 {
153 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
154 ptr -= 2;
155 ptr += 2;
61ff1804 156 diff = (last_ptr - ptr) >> 1;
015551fc
JR
157 cum_diff += diff & 1;
158 cum_diff += diff;
159 }
160 /* Calculate the start / end values to load into rs / re minus four -
161 so that will cancel out the four we would otherwise have to add to
162 addr to get the value to subtract in order to get relative addressing. */
163 if (cum_diff >= 0)
164 {
165 start -= 4;
166 end = (ptr + cum_diff * 2) - contents;
167 }
168 else
169 {
170 bfd_vma start0 = start - 4;
171
a0fc8ba1 172 while (start0 && IS_PPI (contents + start0))
015551fc
JR
173 start0 -= 2;
174 start0 = start - 2 - ((start - start0) & 2);
175 start = start0 - cum_diff - 2;
176 end = start0;
177 }
178
6cdc0ccc
AM
179 if (contents != NULL
180 && elf_section_data (symbol_section)->this_hdr.contents != contents)
181 free (contents);
015551fc
JR
182
183 insn = bfd_get_16 (input_bfd, contents + addr);
184
185 x = (insn & 0x200 ? end : start) - addr;
186 if (input_section != symbol_section)
187 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
188 - (input_section->output_section->vma
189 + input_section->output_offset));
190 x >>= 1;
191 if (x < -128 || x > 127)
192 return bfd_reloc_overflow;
193
61ff1804 194 x = (insn & ~0xff) | (x & 0xff);
dc810e39 195 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
015551fc
JR
196
197 return bfd_reloc_ok;
198}
199
200/* This function is used for normal relocs. This used to be like the COFF
252b5132
RH
201 function, and is almost certainly incorrect for other ELF targets. */
202
203static bfd_reloc_status_type
09fd220b
KK
204sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
205 void *data, asection *input_section, bfd *output_bfd,
206 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
207{
208 unsigned long insn;
209 bfd_vma sym_value;
210 enum elf_sh_reloc_type r_type;
211 bfd_vma addr = reloc_entry->address;
212 bfd_byte *hit_data = addr + (bfd_byte *) data;
213
214 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
215
216 if (output_bfd != NULL)
217 {
218 /* Partial linking--do nothing. */
219 reloc_entry->address += input_section->output_offset;
220 return bfd_reloc_ok;
221 }
222
223 /* Almost all relocs have to do with relaxing. If any work must be
224 done for them, it has been done in sh_relax_section. */
015551fc 225 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
252b5132
RH
226 return bfd_reloc_ok;
227
228 if (symbol_in != NULL
229 && bfd_is_und_section (symbol_in->section))
230 return bfd_reloc_undefined;
231
232 if (bfd_is_com_section (symbol_in->section))
435b1e90
KH
233 sym_value = 0;
234 else
252b5132
RH
235 sym_value = (symbol_in->value +
236 symbol_in->section->output_section->vma +
237 symbol_in->section->output_offset);
238
239 switch (r_type)
240 {
241 case R_SH_DIR32:
242 insn = bfd_get_32 (abfd, hit_data);
243 insn += sym_value + reloc_entry->addend;
dc810e39 244 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
245 break;
246 case R_SH_IND12W:
247 insn = bfd_get_16 (abfd, hit_data);
248 sym_value += reloc_entry->addend;
249 sym_value -= (input_section->output_section->vma
250 + input_section->output_offset
251 + addr
252 + 4);
253 sym_value += (insn & 0xfff) << 1;
254 if (insn & 0x800)
255 sym_value -= 0x1000;
256 insn = (insn & 0xf000) | (sym_value & 0xfff);
dc810e39 257 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
258 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
259 return bfd_reloc_overflow;
260 break;
261 default:
262 abort ();
263 break;
264 }
265
266 return bfd_reloc_ok;
267}
268
269/* This function is used for relocs which are only used for relaxing,
270 which the linker should otherwise ignore. */
271
272static bfd_reloc_status_type
09fd220b
KK
273sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
274 asymbol *symbol ATTRIBUTE_UNUSED,
275 void *data ATTRIBUTE_UNUSED, asection *input_section,
276 bfd *output_bfd,
277 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
278{
279 if (output_bfd != NULL)
280 reloc_entry->address += input_section->output_offset;
281 return bfd_reloc_ok;
282}
283
284/* This structure is used to map BFD reloc codes to SH ELF relocs. */
285
38b1a46c
NC
286struct elf_reloc_map
287{
252b5132
RH
288 bfd_reloc_code_real_type bfd_reloc_val;
289 unsigned char elf_reloc_val;
290};
291
292/* An array mapping BFD reloc codes to SH ELF relocs. */
293
38b1a46c
NC
294static const struct elf_reloc_map sh_reloc_map[] =
295{
252b5132
RH
296 { BFD_RELOC_NONE, R_SH_NONE },
297 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
298 { BFD_RELOC_16, R_SH_DIR16 },
299 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
300 { BFD_RELOC_CTOR, R_SH_DIR32 },
301 { BFD_RELOC_32_PCREL, R_SH_REL32 },
302 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
303 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
304 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
305 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
306 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
307 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
308 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
309 { BFD_RELOC_SH_USES, R_SH_USES },
310 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
311 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
312 { BFD_RELOC_SH_CODE, R_SH_CODE },
313 { BFD_RELOC_SH_DATA, R_SH_DATA },
314 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
315 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
316 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
317 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
318 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
319 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
320 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
321 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
322 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
323 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
324 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
325 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
326 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
327 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
328 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
329 { BFD_RELOC_SH_COPY, R_SH_COPY },
330 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
331 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
332 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
333 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
334 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9
AO
335 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
336#ifdef INCLUDE_SHMEDIA
337 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
338 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
339 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
340 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
341 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
342 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
343 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
344 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
345 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
346 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
347 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
348 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
349 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
350 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
351 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
352 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
353 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
354 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
355 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
356 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
357 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
358 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
359 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
360 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
361 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
362 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
363 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
364 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
365 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
366 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
367 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
368 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
369 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
370 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
371 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
372 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
373 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
374 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
375 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
376 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
377 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
378 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
379 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
380 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
381 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
382 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
383 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
384 { BFD_RELOC_64, R_SH_64 },
385 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
386#endif /* not INCLUDE_SHMEDIA */
252b5132
RH
387};
388
389/* Given a BFD reloc code, return the howto structure for the
55e6e397 390 corresponding SH ELF reloc. */
252b5132
RH
391
392static reloc_howto_type *
55e6e397 393sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
394{
395 unsigned int i;
396
397 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
398 {
399 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 400 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
401 }
402
403 return NULL;
404}
405
157090f7
AM
406static reloc_howto_type *
407sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
408{
409 unsigned int i;
410
411 if (vxworks_object_p (abfd))
412 {
413 for (i = 0;
414 i < (sizeof (sh_vxworks_howto_table)
415 / sizeof (sh_vxworks_howto_table[0]));
416 i++)
417 if (sh_vxworks_howto_table[i].name != NULL
418 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
419 return &sh_vxworks_howto_table[i];
420 }
421 else
422 {
423 for (i = 0;
424 i < (sizeof (sh_elf_howto_table)
425 / sizeof (sh_elf_howto_table[0]));
426 i++)
427 if (sh_elf_howto_table[i].name != NULL
428 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
429 return &sh_elf_howto_table[i];
430 }
431
432 return NULL;
433}
434
252b5132
RH
435/* Given an ELF reloc, fill in the howto field of a relent. */
436
437static void
55e6e397 438sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
439{
440 unsigned int r;
441
442 r = ELF32_R_TYPE (dst->r_info);
443
444 BFD_ASSERT (r < (unsigned int) R_SH_max);
445 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
06bb75c1 446 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
fbca6ad9
AO
447 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
448 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
3376eaf5 449 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
252b5132 450
55e6e397 451 cache_ptr->howto = get_howto_table (abfd) + r;
252b5132
RH
452}
453\f
454/* This function handles relaxing for SH ELF. See the corresponding
455 function in coff-sh.c for a description of what this does. FIXME:
456 There is a lot of duplication here between this code and the COFF
457 specific code. The format of relocs and symbols is wound deeply
458 into this code, but it would still be better if the duplication
459 could be eliminated somehow. Note in particular that although both
460 functions use symbols like R_SH_CODE, those symbols have different
461 values; in coff-sh.c they come from include/coff/sh.h, whereas here
462 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
463
b34976b6 464static bfd_boolean
09fd220b
KK
465sh_elf_relax_section (bfd *abfd, asection *sec,
466 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
467{
468 Elf_Internal_Shdr *symtab_hdr;
469 Elf_Internal_Rela *internal_relocs;
b34976b6 470 bfd_boolean have_code;
252b5132
RH
471 Elf_Internal_Rela *irel, *irelend;
472 bfd_byte *contents = NULL;
6cdc0ccc 473 Elf_Internal_Sym *isymbuf = NULL;
252b5132 474
b34976b6 475 *again = FALSE;
252b5132 476
1049f94e 477 if (link_info->relocatable
252b5132
RH
478 || (sec->flags & SEC_RELOC) == 0
479 || sec->reloc_count == 0)
b34976b6 480 return TRUE;
252b5132 481
fbca6ad9
AO
482#ifdef INCLUDE_SHMEDIA
483 if (elf_section_data (sec)->this_hdr.sh_flags
484 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
485 {
b34976b6 486 return TRUE;
fbca6ad9
AO
487 }
488#endif
489
0ffa91dd 490 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 491
45d6a902 492 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 493 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
494 link_info->keep_memory));
495 if (internal_relocs == NULL)
496 goto error_return;
252b5132 497
b34976b6 498 have_code = FALSE;
252b5132
RH
499
500 irelend = internal_relocs + sec->reloc_count;
501 for (irel = internal_relocs; irel < irelend; irel++)
502 {
503 bfd_vma laddr, paddr, symval;
504 unsigned short insn;
505 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
506 bfd_signed_vma foff;
507
508 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 509 have_code = TRUE;
252b5132
RH
510
511 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
512 continue;
513
514 /* Get the section contents. */
515 if (contents == NULL)
516 {
517 if (elf_section_data (sec)->this_hdr.contents != NULL)
518 contents = elf_section_data (sec)->this_hdr.contents;
519 else
520 {
eea6121a 521 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
522 goto error_return;
523 }
524 }
525
526 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
527 the register load. The 4 is because the r_addend field is
528 computed as though it were a jump offset, which are based
529 from 4 bytes after the jump instruction. */
252b5132 530 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 531 if (laddr >= sec->size)
252b5132 532 {
d003868e
AM
533 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
534 abfd,
252b5132
RH
535 (unsigned long) irel->r_offset);
536 continue;
537 }
538 insn = bfd_get_16 (abfd, contents + laddr);
539
540 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 541 do. */
252b5132
RH
542 if ((insn & 0xf000) != 0xd000)
543 {
544 ((*_bfd_error_handler)
d003868e
AM
545 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
546 abfd, (unsigned long) irel->r_offset, insn));
252b5132
RH
547 continue;
548 }
549
550 /* Get the address from which the register is being loaded. The
99e4ae17
AJ
551 displacement in the mov.l instruction is quadrupled. It is a
552 displacement from four bytes after the movl instruction, but,
553 before adding in the PC address, two least significant bits
554 of the PC are cleared. We assume that the section is aligned
555 on a four byte boundary. */
252b5132
RH
556 paddr = insn & 0xff;
557 paddr *= 4;
dc810e39 558 paddr += (laddr + 4) &~ (bfd_vma) 3;
eea6121a 559 if (paddr >= sec->size)
252b5132
RH
560 {
561 ((*_bfd_error_handler)
d003868e
AM
562 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
563 abfd, (unsigned long) irel->r_offset));
252b5132
RH
564 continue;
565 }
566
567 /* Get the reloc for the address from which the register is
067653c5
AM
568 being loaded. This reloc will tell us which function is
569 actually being called. */
252b5132
RH
570 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
571 if (irelfn->r_offset == paddr
572 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
573 break;
574 if (irelfn >= irelend)
575 {
576 ((*_bfd_error_handler)
d003868e
AM
577 (_("%B: 0x%lx: warning: could not find expected reloc"),
578 abfd, (unsigned long) paddr));
252b5132
RH
579 continue;
580 }
581
582 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 583 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 584 {
6cdc0ccc
AM
585 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
586 if (isymbuf == NULL)
587 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
588 symtab_hdr->sh_info, 0,
589 NULL, NULL, NULL);
590 if (isymbuf == NULL)
591 goto error_return;
252b5132
RH
592 }
593
594 /* Get the value of the symbol referred to by the reloc. */
595 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
596 {
9ad5cbcf 597 /* A local symbol. */
6cdc0ccc 598 Elf_Internal_Sym *isym;
252b5132 599
6cdc0ccc
AM
600 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
601 if (isym->st_shndx
d426c6b0 602 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132
RH
603 {
604 ((*_bfd_error_handler)
d003868e
AM
605 (_("%B: 0x%lx: warning: symbol in unexpected section"),
606 abfd, (unsigned long) paddr));
252b5132
RH
607 continue;
608 }
609
6cdc0ccc 610 symval = (isym->st_value
252b5132
RH
611 + sec->output_section->vma
612 + sec->output_offset);
613 }
614 else
615 {
616 unsigned long indx;
617 struct elf_link_hash_entry *h;
618
619 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
620 h = elf_sym_hashes (abfd)[indx];
621 BFD_ASSERT (h != NULL);
622 if (h->root.type != bfd_link_hash_defined
623 && h->root.type != bfd_link_hash_defweak)
624 {
625 /* This appears to be a reference to an undefined
067653c5
AM
626 symbol. Just ignore it--it will be caught by the
627 regular reloc processing. */
252b5132
RH
628 continue;
629 }
630
631 symval = (h->root.u.def.value
632 + h->root.u.def.section->output_section->vma
633 + h->root.u.def.section->output_offset);
634 }
635
55e6e397
RS
636 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
637 symval += bfd_get_32 (abfd, contents + paddr);
638 else
639 symval += irelfn->r_addend;
252b5132
RH
640
641 /* See if this function call can be shortened. */
642 foff = (symval
643 - (irel->r_offset
644 + sec->output_section->vma
645 + sec->output_offset
646 + 4));
f725025b
DD
647 /* A branch to an address beyond ours might be increased by an
648 .align that doesn't move when bytes behind us are deleted.
649 So, we add some slop in this calculation to allow for
650 that. */
651 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
652 {
653 /* After all that work, we can't shorten this function call. */
654 continue;
655 }
656
657 /* Shorten the function call. */
658
659 /* For simplicity of coding, we are going to modify the section
660 contents, the section relocs, and the BFD symbol table. We
661 must tell the rest of the code not to free up this
662 information. It would be possible to instead create a table
663 of changes which have to be made, as is done in coff-mips.c;
664 that would be more work, but would require less memory when
665 the linker is run. */
666
667 elf_section_data (sec)->relocs = internal_relocs;
252b5132 668 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 669 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
670
671 /* Replace the jsr with a bsr. */
672
673 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
067653c5 674 replace the jsr with a bsr. */
252b5132 675 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
676 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
677 here, but that only checks if the symbol is an external symbol,
678 not if the symbol is in a different section. Besides, we need
679 a consistent meaning for the relocation, so we just assume here that
680 the value of the symbol is not available. */
0e71e495
BE
681
682 /* We can't fully resolve this yet, because the external
683 symbol value may be changed by future relaxing. We let
684 the final link phase handle it. */
685 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
686
bdfaef52 687 irel->r_addend = -4;
252b5132 688
f725025b
DD
689 /* When we calculated the symbol "value" we had an offset in the
690 DIR32's word in memory (we read and add it above). However,
691 the jsr we create does NOT have this offset encoded, so we
692 have to add it to the addend to preserve it. */
693 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
694
252b5132 695 /* See if there is another R_SH_USES reloc referring to the same
067653c5 696 register load. */
252b5132
RH
697 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
698 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
699 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
700 break;
701 if (irelscan < irelend)
702 {
703 /* Some other function call depends upon this register load,
704 and we have not yet converted that function call.
705 Indeed, we may never be able to convert it. There is
706 nothing else we can do at this point. */
707 continue;
708 }
709
710 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
711 function address is stored. Do this before deleting any
712 bytes, to avoid confusion about the address. */
252b5132
RH
713 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
714 if (irelcount->r_offset == paddr
715 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
716 break;
717
718 /* Delete the register load. */
719 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
720 goto error_return;
721
722 /* That will change things, so, just in case it permits some
067653c5
AM
723 other function call to come within range, we should relax
724 again. Note that this is not required, and it may be slow. */
b34976b6 725 *again = TRUE;
252b5132
RH
726
727 /* Now check whether we got a COUNT reloc. */
728 if (irelcount >= irelend)
729 {
730 ((*_bfd_error_handler)
d003868e
AM
731 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
732 abfd, (unsigned long) paddr));
252b5132
RH
733 continue;
734 }
735
736 /* The number of uses is stored in the r_addend field. We've
067653c5 737 just deleted one. */
252b5132
RH
738 if (irelcount->r_addend == 0)
739 {
d003868e
AM
740 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
741 abfd,
252b5132
RH
742 (unsigned long) paddr));
743 continue;
744 }
745
746 --irelcount->r_addend;
747
748 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
749 the address from irelfn, in case it was changed by the
750 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
751 if (irelcount->r_addend == 0)
752 {
753 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
754 goto error_return;
755 }
756
757 /* We've done all we can with that function call. */
758 }
759
760 /* Look for load and store instructions that we can align on four
761 byte boundaries. */
bdfaef52
JR
762 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
763 && have_code)
252b5132 764 {
b34976b6 765 bfd_boolean swapped;
252b5132
RH
766
767 /* Get the section contents. */
768 if (contents == NULL)
769 {
770 if (elf_section_data (sec)->this_hdr.contents != NULL)
771 contents = elf_section_data (sec)->this_hdr.contents;
772 else
773 {
eea6121a 774 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
775 goto error_return;
776 }
777 }
778
779 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
780 &swapped))
781 goto error_return;
782
783 if (swapped)
784 {
785 elf_section_data (sec)->relocs = internal_relocs;
252b5132 786 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 787 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
788 }
789 }
790
6cdc0ccc
AM
791 if (isymbuf != NULL
792 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
793 {
794 if (! link_info->keep_memory)
6cdc0ccc 795 free (isymbuf);
252b5132
RH
796 else
797 {
6cdc0ccc
AM
798 /* Cache the symbols for elf_link_input_bfd. */
799 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 800 }
9ad5cbcf
AM
801 }
802
6cdc0ccc
AM
803 if (contents != NULL
804 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
805 {
806 if (! link_info->keep_memory)
6cdc0ccc
AM
807 free (contents);
808 else
252b5132 809 {
6cdc0ccc
AM
810 /* Cache the section contents for elf_link_input_bfd. */
811 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 812 }
252b5132
RH
813 }
814
6cdc0ccc
AM
815 if (internal_relocs != NULL
816 && elf_section_data (sec)->relocs != internal_relocs)
817 free (internal_relocs);
818
b34976b6 819 return TRUE;
252b5132
RH
820
821 error_return:
6cdc0ccc
AM
822 if (isymbuf != NULL
823 && symtab_hdr->contents != (unsigned char *) isymbuf)
824 free (isymbuf);
825 if (contents != NULL
826 && elf_section_data (sec)->this_hdr.contents != contents)
827 free (contents);
828 if (internal_relocs != NULL
829 && elf_section_data (sec)->relocs != internal_relocs)
830 free (internal_relocs);
9ad5cbcf 831
b34976b6 832 return FALSE;
252b5132
RH
833}
834
835/* Delete some bytes from a section while relaxing. FIXME: There is a
836 lot of duplication between this function and sh_relax_delete_bytes
837 in coff-sh.c. */
838
b34976b6 839static bfd_boolean
09fd220b
KK
840sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
841 int count)
252b5132
RH
842{
843 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 844 unsigned int sec_shndx;
252b5132
RH
845 bfd_byte *contents;
846 Elf_Internal_Rela *irel, *irelend;
847 Elf_Internal_Rela *irelalign;
848 bfd_vma toaddr;
6cdc0ccc 849 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
850 struct elf_link_hash_entry **sym_hashes;
851 struct elf_link_hash_entry **end_hashes;
852 unsigned int symcount;
252b5132
RH
853 asection *o;
854
0ffa91dd 855 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 856 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
857
858 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
859
860 contents = elf_section_data (sec)->this_hdr.contents;
861
862 /* The deletion must stop at the next ALIGN reloc for an aligment
863 power larger than the number of bytes we are deleting. */
864
865 irelalign = NULL;
eea6121a 866 toaddr = sec->size;
252b5132
RH
867
868 irel = elf_section_data (sec)->relocs;
869 irelend = irel + sec->reloc_count;
870 for (; irel < irelend; irel++)
871 {
872 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
873 && irel->r_offset > addr
874 && count < (1 << irel->r_addend))
875 {
876 irelalign = irel;
877 toaddr = irel->r_offset;
878 break;
879 }
880 }
881
882 /* Actually delete the bytes. */
dc810e39
AM
883 memmove (contents + addr, contents + addr + count,
884 (size_t) (toaddr - addr - count));
252b5132 885 if (irelalign == NULL)
eea6121a 886 sec->size -= count;
252b5132
RH
887 else
888 {
889 int i;
890
891#define NOP_OPCODE (0x0009)
892
893 BFD_ASSERT ((count & 1) == 0);
894 for (i = 0; i < count; i += 2)
dc810e39 895 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
896 }
897
898 /* Adjust all the relocs. */
899 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
900 {
901 bfd_vma nraddr, stop;
902 bfd_vma start = 0;
903 int insn = 0;
252b5132
RH
904 int off, adjust, oinsn;
905 bfd_signed_vma voff = 0;
b34976b6 906 bfd_boolean overflow;
252b5132
RH
907
908 /* Get the new reloc address. */
909 nraddr = irel->r_offset;
910 if ((irel->r_offset > addr
911 && irel->r_offset < toaddr)
912 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
913 && irel->r_offset == toaddr))
914 nraddr -= count;
915
916 /* See if this reloc was for the bytes we have deleted, in which
917 case we no longer care about it. Don't delete relocs which
918 represent addresses, though. */
919 if (irel->r_offset >= addr
920 && irel->r_offset < addr + count
921 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
922 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
923 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
924 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
925 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
926 (int) R_SH_NONE);
927
928 /* If this is a PC relative reloc, see if the range it covers
067653c5 929 includes the bytes we have deleted. */
252b5132
RH
930 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
931 {
932 default:
933 break;
934
935 case R_SH_DIR8WPN:
936 case R_SH_IND12W:
937 case R_SH_DIR8WPZ:
938 case R_SH_DIR8WPL:
939 start = irel->r_offset;
940 insn = bfd_get_16 (abfd, contents + nraddr);
941 break;
942 }
943
944 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
945 {
946 default:
947 start = stop = addr;
948 break;
949
950 case R_SH_DIR32:
951 /* If this reloc is against a symbol defined in this
067653c5
AM
952 section, and the symbol will not be adjusted below, we
953 must check the addend to see it will put the value in
954 range to be adjusted, and hence must be changed. */
252b5132
RH
955 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
956 {
6cdc0ccc
AM
957 isym = isymbuf + ELF32_R_SYM (irel->r_info);
958 if (isym->st_shndx == sec_shndx
959 && (isym->st_value <= addr
960 || isym->st_value >= toaddr))
252b5132
RH
961 {
962 bfd_vma val;
963
55e6e397
RS
964 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
965 {
966 val = bfd_get_32 (abfd, contents + nraddr);
967 val += isym->st_value;
968 if (val > addr && val < toaddr)
969 bfd_put_32 (abfd, val - count, contents + nraddr);
970 }
971 else
972 {
973 val = isym->st_value + irel->r_addend;
974 if (val > addr && val < toaddr)
975 irel->r_addend -= count;
976 }
252b5132
RH
977 }
978 }
979 start = stop = addr;
980 break;
981
982 case R_SH_DIR8WPN:
983 off = insn & 0xff;
984 if (off & 0x80)
985 off -= 0x100;
986 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
987 break;
988
989 case R_SH_IND12W:
bdfaef52
JR
990 off = insn & 0xfff;
991 if (! off)
992 {
993 /* This has been made by previous relaxation. Since the
994 relocation will be against an external symbol, the
995 final relocation will just do the right thing. */
996 start = stop = addr;
997 }
252b5132
RH
998 else
999 {
252b5132
RH
1000 if (off & 0x800)
1001 off -= 0x1000;
1002 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
1003
1004 /* The addend will be against the section symbol, thus
1005 for adjusting the addend, the relevant start is the
1006 start of the section.
4cc11e76 1007 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1008 test directly using symbol + addend, we have to take into
1009 account that the addend has already been adjusted by -4. */
1010 if (stop > addr && stop < toaddr)
1011 irel->r_addend -= count;
252b5132
RH
1012 }
1013 break;
1014
1015 case R_SH_DIR8WPZ:
1016 off = insn & 0xff;
1017 stop = start + 4 + off * 2;
1018 break;
1019
1020 case R_SH_DIR8WPL:
1021 off = insn & 0xff;
435b1e90 1022 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1023 break;
1024
1025 case R_SH_SWITCH8:
1026 case R_SH_SWITCH16:
1027 case R_SH_SWITCH32:
1028 /* These relocs types represent
1029 .word L2-L1
06e1ba78 1030 The r_addend field holds the difference between the reloc
252b5132
RH
1031 address and L1. That is the start of the reloc, and
1032 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1033 both the r_offset field and the section contents.
1034 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1035 and the elf bfd r_offset is called r_vaddr. */
252b5132 1036
06e1ba78
JR
1037 stop = irel->r_offset;
1038 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1039
1040 if (start > addr
1041 && start < toaddr
1042 && (stop <= addr || stop >= toaddr))
1043 irel->r_addend += count;
1044 else if (stop > addr
1045 && stop < toaddr
1046 && (start <= addr || start >= toaddr))
1047 irel->r_addend -= count;
1048
252b5132
RH
1049 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1050 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1051 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1052 voff = bfd_get_8 (abfd, contents + nraddr);
1053 else
1054 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1055 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1056
1057 break;
1058
1059 case R_SH_USES:
1060 start = irel->r_offset;
1061 stop = (bfd_vma) ((bfd_signed_vma) start
1062 + (long) irel->r_addend
1063 + 4);
1064 break;
1065 }
1066
1067 if (start > addr
1068 && start < toaddr
1069 && (stop <= addr || stop >= toaddr))
1070 adjust = count;
1071 else if (stop > addr
1072 && stop < toaddr
1073 && (start <= addr || start >= toaddr))
1074 adjust = - count;
1075 else
1076 adjust = 0;
1077
1078 if (adjust != 0)
1079 {
1080 oinsn = insn;
b34976b6 1081 overflow = FALSE;
252b5132
RH
1082 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1083 {
1084 default:
1085 abort ();
1086 break;
1087
1088 case R_SH_DIR8WPN:
1089 case R_SH_DIR8WPZ:
1090 insn += adjust / 2;
1091 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1092 overflow = TRUE;
dc810e39 1093 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1094 break;
1095
1096 case R_SH_IND12W:
1097 insn += adjust / 2;
1098 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1099 overflow = TRUE;
dc810e39 1100 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1101 break;
1102
1103 case R_SH_DIR8WPL:
1104 BFD_ASSERT (adjust == count || count >= 4);
1105 if (count >= 4)
1106 insn += adjust / 4;
1107 else
1108 {
1109 if ((irel->r_offset & 3) == 0)
1110 ++insn;
1111 }
1112 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1113 overflow = TRUE;
dc810e39 1114 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1115 break;
1116
851cde10
JR
1117 case R_SH_SWITCH8:
1118 voff += adjust;
1119 if (voff < 0 || voff >= 0xff)
b34976b6 1120 overflow = TRUE;
851cde10
JR
1121 bfd_put_8 (abfd, voff, contents + nraddr);
1122 break;
1123
252b5132
RH
1124 case R_SH_SWITCH16:
1125 voff += adjust;
1126 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1127 overflow = TRUE;
dc810e39 1128 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1129 break;
1130
1131 case R_SH_SWITCH32:
1132 voff += adjust;
dc810e39 1133 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1134 break;
1135
1136 case R_SH_USES:
1137 irel->r_addend += adjust;
1138 break;
1139 }
1140
1141 if (overflow)
1142 {
1143 ((*_bfd_error_handler)
d003868e
AM
1144 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1145 abfd, (unsigned long) irel->r_offset));
252b5132 1146 bfd_set_error (bfd_error_bad_value);
b34976b6 1147 return FALSE;
252b5132
RH
1148 }
1149 }
1150
1151 irel->r_offset = nraddr;
1152 }
1153
1154 /* Look through all the other sections. If there contain any IMM32
1155 relocs against internal symbols which we are not going to adjust
1156 below, we may need to adjust the addends. */
1157 for (o = abfd->sections; o != NULL; o = o->next)
1158 {
1159 Elf_Internal_Rela *internal_relocs;
1160 Elf_Internal_Rela *irelscan, *irelscanend;
1161 bfd_byte *ocontents;
1162
1163 if (o == sec
1164 || (o->flags & SEC_RELOC) == 0
1165 || o->reloc_count == 0)
1166 continue;
1167
1168 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1169 FALSE, we should free them, if we are permitted to, when we
067653c5 1170 leave sh_coff_relax_section. */
45d6a902 1171 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1172 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1173 if (internal_relocs == NULL)
b34976b6 1174 return FALSE;
252b5132
RH
1175
1176 ocontents = NULL;
1177 irelscanend = internal_relocs + o->reloc_count;
1178 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1179 {
084aa3aa
JR
1180 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1181 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1182 {
1183 bfd_vma start, stop;
1184 bfd_signed_vma voff;
1185
1186 if (ocontents == NULL)
1187 {
1188 if (elf_section_data (o)->this_hdr.contents != NULL)
1189 ocontents = elf_section_data (o)->this_hdr.contents;
1190 else
1191 {
1192 /* We always cache the section contents.
b34976b6 1193 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1194 should free them, if we are permitted to,
1195 when we leave sh_coff_relax_section. */
eea6121a
AM
1196 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1197 {
1198 if (ocontents != NULL)
1199 free (ocontents);
1200 return FALSE;
1201 }
1202
084aa3aa
JR
1203 elf_section_data (o)->this_hdr.contents = ocontents;
1204 }
1205 }
1206
1207 stop = irelscan->r_offset;
1208 start
1209 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1210
1211 /* STOP is in a different section, so it won't change. */
1212 if (start > addr && start < toaddr)
1213 irelscan->r_addend += count;
1214
1215 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1216 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1217
1218 if (start > addr
1219 && start < toaddr
1220 && (stop <= addr || stop >= toaddr))
dc810e39 1221 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1222 ocontents + irelscan->r_offset);
1223 else if (stop > addr
1224 && stop < toaddr
1225 && (start <= addr || start >= toaddr))
dc810e39 1226 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1227 ocontents + irelscan->r_offset);
1228 }
1229
252b5132
RH
1230 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1231 continue;
1232
1233 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1234 continue;
1235
252b5132 1236
6cdc0ccc
AM
1237 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1238 if (isym->st_shndx == sec_shndx
1239 && (isym->st_value <= addr
1240 || isym->st_value >= toaddr))
252b5132
RH
1241 {
1242 bfd_vma val;
1243
1244 if (ocontents == NULL)
1245 {
1246 if (elf_section_data (o)->this_hdr.contents != NULL)
1247 ocontents = elf_section_data (o)->this_hdr.contents;
1248 else
1249 {
1250 /* We always cache the section contents.
b34976b6 1251 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1252 should free them, if we are permitted to,
1253 when we leave sh_coff_relax_section. */
eea6121a
AM
1254 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1255 {
1256 if (ocontents != NULL)
1257 free (ocontents);
1258 return FALSE;
1259 }
1260
252b5132
RH
1261 elf_section_data (o)->this_hdr.contents = ocontents;
1262 }
1263 }
1264
1265 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1266 val += isym->st_value;
252b5132
RH
1267 if (val > addr && val < toaddr)
1268 bfd_put_32 (abfd, val - count,
1269 ocontents + irelscan->r_offset);
1270 }
1271 }
1272 }
1273
1274 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1275 isymend = isymbuf + symtab_hdr->sh_info;
1276 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1277 {
6cdc0ccc
AM
1278 if (isym->st_shndx == sec_shndx
1279 && isym->st_value > addr
1280 && isym->st_value < toaddr)
1281 isym->st_value -= count;
252b5132
RH
1282 }
1283
1284 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1285 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1286 - symtab_hdr->sh_info);
1287 sym_hashes = elf_sym_hashes (abfd);
1288 end_hashes = sym_hashes + symcount;
1289 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1290 {
9ad5cbcf
AM
1291 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1292 if ((sym_hash->root.type == bfd_link_hash_defined
1293 || sym_hash->root.type == bfd_link_hash_defweak)
1294 && sym_hash->root.u.def.section == sec
1295 && sym_hash->root.u.def.value > addr
1296 && sym_hash->root.u.def.value < toaddr)
252b5132 1297 {
9ad5cbcf 1298 sym_hash->root.u.def.value -= count;
252b5132
RH
1299 }
1300 }
1301
1302 /* See if we can move the ALIGN reloc forward. We have adjusted
1303 r_offset for it already. */
1304 if (irelalign != NULL)
1305 {
1306 bfd_vma alignto, alignaddr;
1307
1308 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1309 alignaddr = BFD_ALIGN (irelalign->r_offset,
1310 1 << irelalign->r_addend);
1311 if (alignto != alignaddr)
1312 {
1313 /* Tail recursion. */
1314 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1315 (int) (alignto - alignaddr));
252b5132
RH
1316 }
1317 }
1318
b34976b6 1319 return TRUE;
252b5132
RH
1320}
1321
1322/* Look for loads and stores which we can align to four byte
1323 boundaries. This is like sh_align_loads in coff-sh.c. */
1324
b34976b6 1325static bfd_boolean
09fd220b
KK
1326sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1327 Elf_Internal_Rela *internal_relocs,
1328 bfd_byte *contents ATTRIBUTE_UNUSED,
1329 bfd_boolean *pswapped)
252b5132
RH
1330{
1331 Elf_Internal_Rela *irel, *irelend;
1332 bfd_vma *labels = NULL;
1333 bfd_vma *label, *label_end;
dc810e39 1334 bfd_size_type amt;
252b5132 1335
b34976b6 1336 *pswapped = FALSE;
252b5132
RH
1337
1338 irelend = internal_relocs + sec->reloc_count;
1339
1340 /* Get all the addresses with labels on them. */
dc810e39
AM
1341 amt = sec->reloc_count;
1342 amt *= sizeof (bfd_vma);
1343 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1344 if (labels == NULL)
1345 goto error_return;
1346 label_end = labels;
1347 for (irel = internal_relocs; irel < irelend; irel++)
1348 {
1349 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1350 {
1351 *label_end = irel->r_offset;
1352 ++label_end;
1353 }
1354 }
1355
1356 /* Note that the assembler currently always outputs relocs in
1357 address order. If that ever changes, this code will need to sort
1358 the label values and the relocs. */
1359
1360 label = labels;
1361
1362 for (irel = internal_relocs; irel < irelend; irel++)
1363 {
1364 bfd_vma start, stop;
1365
1366 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1367 continue;
1368
1369 start = irel->r_offset;
1370
1371 for (irel++; irel < irelend; irel++)
1372 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1373 break;
1374 if (irel < irelend)
1375 stop = irel->r_offset;
1376 else
eea6121a 1377 stop = sec->size;
252b5132
RH
1378
1379 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1380 internal_relocs, &label,
252b5132
RH
1381 label_end, start, stop, pswapped))
1382 goto error_return;
1383 }
1384
1385 free (labels);
1386
b34976b6 1387 return TRUE;
252b5132
RH
1388
1389 error_return:
1390 if (labels != NULL)
1391 free (labels);
b34976b6 1392 return FALSE;
252b5132
RH
1393}
1394
85fbca6a 1395#ifndef SH64_ELF
252b5132
RH
1396/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1397
b34976b6 1398static bfd_boolean
09fd220b
KK
1399sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1400 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1401{
1402 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1403 unsigned short i1, i2;
1404 Elf_Internal_Rela *irel, *irelend;
1405
1406 /* Swap the instructions themselves. */
1407 i1 = bfd_get_16 (abfd, contents + addr);
1408 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1409 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1410 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1411
1412 /* Adjust all reloc addresses. */
1413 irelend = internal_relocs + sec->reloc_count;
1414 for (irel = internal_relocs; irel < irelend; irel++)
1415 {
1416 enum elf_sh_reloc_type type;
1417 int add;
1418
1419 /* There are a few special types of relocs that we don't want to
067653c5
AM
1420 adjust. These relocs do not apply to the instruction itself,
1421 but are only associated with the address. */
252b5132
RH
1422 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1423 if (type == R_SH_ALIGN
1424 || type == R_SH_CODE
1425 || type == R_SH_DATA
1426 || type == R_SH_LABEL)
1427 continue;
1428
1429 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1430 swapped, we must adjust it. It would be incorrect to do this
1431 for a jump, though, since we want to execute both
1432 instructions after the jump. (We have avoided swapping
1433 around a label, so the jump will not wind up executing an
1434 instruction it shouldn't). */
252b5132
RH
1435 if (type == R_SH_USES)
1436 {
1437 bfd_vma off;
1438
1439 off = irel->r_offset + 4 + irel->r_addend;
1440 if (off == addr)
1441 irel->r_offset += 2;
1442 else if (off == addr + 2)
1443 irel->r_offset -= 2;
1444 }
1445
1446 if (irel->r_offset == addr)
1447 {
1448 irel->r_offset += 2;
1449 add = -2;
1450 }
1451 else if (irel->r_offset == addr + 2)
1452 {
1453 irel->r_offset -= 2;
1454 add = 2;
1455 }
1456 else
1457 add = 0;
1458
1459 if (add != 0)
1460 {
1461 bfd_byte *loc;
1462 unsigned short insn, oinsn;
b34976b6 1463 bfd_boolean overflow;
252b5132
RH
1464
1465 loc = contents + irel->r_offset;
b34976b6 1466 overflow = FALSE;
252b5132
RH
1467 switch (type)
1468 {
1469 default:
1470 break;
1471
1472 case R_SH_DIR8WPN:
1473 case R_SH_DIR8WPZ:
1474 insn = bfd_get_16 (abfd, loc);
1475 oinsn = insn;
1476 insn += add / 2;
1477 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1478 overflow = TRUE;
dc810e39 1479 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1480 break;
1481
1482 case R_SH_IND12W:
1483 insn = bfd_get_16 (abfd, loc);
1484 oinsn = insn;
1485 insn += add / 2;
1486 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1487 overflow = TRUE;
dc810e39 1488 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1489 break;
1490
1491 case R_SH_DIR8WPL:
1492 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1493 the program counter before adding in the offset.
1494 This means that if ADDR is at an even address, the
1495 swap will not affect the offset. If ADDR is an at an
1496 odd address, then the instruction will be crossing a
1497 four byte boundary, and must be adjusted. */
252b5132
RH
1498 if ((addr & 3) != 0)
1499 {
1500 insn = bfd_get_16 (abfd, loc);
1501 oinsn = insn;
1502 insn += add / 2;
1503 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1504 overflow = TRUE;
dc810e39 1505 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1506 }
1507
1508 break;
1509 }
1510
1511 if (overflow)
1512 {
1513 ((*_bfd_error_handler)
d003868e
AM
1514 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1515 abfd, (unsigned long) irel->r_offset));
252b5132 1516 bfd_set_error (bfd_error_bad_value);
b34976b6 1517 return FALSE;
252b5132
RH
1518 }
1519 }
1520 }
1521
b34976b6 1522 return TRUE;
252b5132 1523}
85fbca6a 1524#endif /* defined SH64_ELF */
252b5132 1525\f
55e6e397
RS
1526/* Describes one of the various PLT styles. */
1527
1528struct elf_sh_plt_info
1529{
1530 /* The template for the first PLT entry, or NULL if there is no special
1531 first entry. */
1532 const bfd_byte *plt0_entry;
1533
1534 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1535 bfd_vma plt0_entry_size;
1536
1537 /* Index I is the offset into PLT0_ENTRY of a pointer to
1538 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1539 if there is no such pointer. */
1540 bfd_vma plt0_got_fields[3];
1541
1542 /* The template for a symbol's PLT entry. */
1543 const bfd_byte *symbol_entry;
1544
1545 /* The size of SYMBOL_ENTRY in bytes. */
1546 bfd_vma symbol_entry_size;
1547
1548 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1549 on all targets. The comments by each member indicate the value
1550 that the field must hold. */
1551 struct {
1552 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1553 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1554 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
1555 } symbol_fields;
1556
1557 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1558 bfd_vma symbol_resolve_offset;
1559};
1560
fbca6ad9
AO
1561#ifdef INCLUDE_SHMEDIA
1562
1563/* The size in bytes of an entry in the procedure linkage table. */
1564
55e6e397 1565#define ELF_PLT_ENTRY_SIZE 64
fbca6ad9
AO
1566
1567/* First entry in an absolute procedure linkage table look like this. */
1568
55e6e397 1569static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1570{
1571 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1572 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1573 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
c8614e8e 1574 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
fbca6ad9
AO
1575 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1576 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1577 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1578 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1579 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1580 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1581 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1582 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1583 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1584 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1585 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1586 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1587};
1588
55e6e397 1589static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1590{
1591 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1592 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1593 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
c8614e8e 1594 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
fbca6ad9
AO
1595 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1596 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1597 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1598 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1599 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1600 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1601 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1602 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1603 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1604 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1605 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1606 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1607};
1608
1609/* Sebsequent entries in an absolute procedure linkage table look like
1610 this. */
1611
55e6e397 1612static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1613{
1614 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1615 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1616 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1617 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1618 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1619 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1620 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1621 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1622 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1623 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1624 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1625 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1626 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1627 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1628 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1629 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1630};
1631
55e6e397 1632static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1633{
1634 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1635 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1636 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1637 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1638 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1639 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1640 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1641 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1642 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1643 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1644 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1645 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1646 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1647 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1648 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1649 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1650};
1651
1652/* Entries in a PIC procedure linkage table look like this. */
1653
55e6e397 1654static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1655{
1656 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1657 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1658 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1659 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1660 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1661 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1662 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1663 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1664 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1665 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
fbca6ad9
AO
1666 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1667 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1668 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
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};
1673
55e6e397 1674static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1675{
1676 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1677 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1678 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1679 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1680 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1681 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1682 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1683 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1684 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1685 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
fbca6ad9
AO
1686 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1687 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1688 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
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};
1693
55e6e397
RS
1694static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1695 {
1696 {
1697 /* Big-endian non-PIC. */
1698 elf_sh_plt0_entry_be,
1699 ELF_PLT_ENTRY_SIZE,
1700 { 0, MINUS_ONE, MINUS_ONE },
1701 elf_sh_plt_entry_be,
1702 ELF_PLT_ENTRY_SIZE,
1703 { 0, 32, 48 },
1704 33 /* includes ISA encoding */
1705 },
1706 {
1707 /* Little-endian non-PIC. */
1708 elf_sh_plt0_entry_le,
1709 ELF_PLT_ENTRY_SIZE,
1710 { 0, MINUS_ONE, MINUS_ONE },
1711 elf_sh_plt_entry_le,
1712 ELF_PLT_ENTRY_SIZE,
1713 { 0, 32, 48 },
1714 33 /* includes ISA encoding */
1715 },
1716 },
1717 {
1718 {
1719 /* Big-endian PIC. */
1720 elf_sh_plt0_entry_be,
1721 ELF_PLT_ENTRY_SIZE,
1722 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1723 elf_sh_pic_plt_entry_be,
1724 ELF_PLT_ENTRY_SIZE,
1725 { 0, MINUS_ONE, 52 },
1726 33 /* includes ISA encoding */
1727 },
1728 {
1729 /* Little-endian PIC. */
1730 elf_sh_plt0_entry_le,
1731 ELF_PLT_ENTRY_SIZE,
1732 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1733 elf_sh_pic_plt_entry_le,
1734 ELF_PLT_ENTRY_SIZE,
1735 { 0, MINUS_ONE, 52 },
1736 33 /* includes ISA encoding */
1737 },
1738 }
1739};
fbca6ad9
AO
1740
1741/* Return offset of the linker in PLT0 entry. */
1742#define elf_sh_plt0_gotplt_offset(info) 0
1743
55e6e397
RS
1744/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1745 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1746 not data.
fbca6ad9 1747
55e6e397 1748 On SH64, each 32-bit field is loaded by a movi/shori pair. */
fbca6ad9
AO
1749
1750inline static void
55e6e397
RS
1751install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1752 unsigned long value, bfd_byte *addr)
fbca6ad9 1753{
55e6e397 1754 value |= code_p;
fbca6ad9
AO
1755 bfd_put_32 (output_bfd,
1756 bfd_get_32 (output_bfd, addr)
1757 | ((value >> 6) & 0x3fffc00),
1758 addr);
1759 bfd_put_32 (output_bfd,
1760 bfd_get_32 (output_bfd, addr + 4)
1761 | ((value << 10) & 0x3fffc00),
1762 addr + 4);
1763}
1764
55e6e397
RS
1765/* Return the type of PLT associated with ABFD. PIC_P is true if
1766 the object is position-independent. */
1767
1768static const struct elf_sh_plt_info *
1769get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1770{
1771 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1772}
fbca6ad9 1773#else
37c644f2 1774/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1775
55e6e397 1776#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1777
1778/* First entry in an absolute procedure linkage table look like this. */
1779
6c426cf3 1780/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1781 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1782 corrupted here. This does mean however, that this PLT does not conform
1783 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1784 and r2 contains the GOT id. This version stores the GOT id in r0 and
1785 ignores the type. Loaders can easily detect this difference however,
1786 since the type will always be 0 or 8, and the GOT ids will always be
1787 greater than or equal to 12. */
55e6e397 1788static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1789{
1790 0xd0, 0x05, /* mov.l 2f,r0 */
1791 0x60, 0x02, /* mov.l @r0,r0 */
1792 0x2f, 0x06, /* mov.l r0,@-r15 */
1793 0xd0, 0x03, /* mov.l 1f,r0 */
1794 0x60, 0x02, /* mov.l @r0,r0 */
1795 0x40, 0x2b, /* jmp @r0 */
1796 0x60, 0xf6, /* mov.l @r15+,r0 */
1797 0x00, 0x09, /* nop */
1798 0x00, 0x09, /* nop */
1799 0x00, 0x09, /* nop */
1800 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1801 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1802};
1803
55e6e397 1804static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1805{
1806 0x05, 0xd0, /* mov.l 2f,r0 */
1807 0x02, 0x60, /* mov.l @r0,r0 */
1808 0x06, 0x2f, /* mov.l r0,@-r15 */
1809 0x03, 0xd0, /* mov.l 1f,r0 */
1810 0x02, 0x60, /* mov.l @r0,r0 */
1811 0x2b, 0x40, /* jmp @r0 */
1812 0xf6, 0x60, /* mov.l @r15+,r0 */
1813 0x09, 0x00, /* nop */
1814 0x09, 0x00, /* nop */
1815 0x09, 0x00, /* nop */
1816 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1817 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1818};
1819
1820/* Sebsequent entries in an absolute procedure linkage table look like
1821 this. */
1822
55e6e397 1823static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1824{
1825 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1826 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1827 0xd1, 0x02, /* mov.l 0f,r1 */
1828 0x40, 0x2b, /* jmp @r0 */
1829 0x60, 0x13, /* mov r1,r0 */
1830 0xd1, 0x03, /* mov.l 2f,r1 */
1831 0x40, 0x2b, /* jmp @r0 */
1832 0x00, 0x09, /* nop */
1833 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1834 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1835 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1836};
1837
55e6e397 1838static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1839{
1840 0x04, 0xd0, /* mov.l 1f,r0 */
1841 0x02, 0x60, /* mov.l @r0,r0 */
1842 0x02, 0xd1, /* mov.l 0f,r1 */
1843 0x2b, 0x40, /* jmp @r0 */
1844 0x13, 0x60, /* mov r1,r0 */
1845 0x03, 0xd1, /* mov.l 2f,r1 */
1846 0x2b, 0x40, /* jmp @r0 */
1847 0x09, 0x00, /* nop */
1848 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1849 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1850 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1851};
1852
1853/* Entries in a PIC procedure linkage table look like this. */
1854
55e6e397 1855static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1856{
1857 0xd0, 0x04, /* mov.l 1f,r0 */
1858 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1859 0x40, 0x2b, /* jmp @r0 */
1860 0x00, 0x09, /* nop */
1861 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1862 0xd1, 0x03, /* mov.l 2f,r1 */
1863 0x40, 0x2b, /* jmp @r0 */
1864 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1865 0x00, 0x09, /* nop */
1866 0x00, 0x09, /* nop */
1867 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1868 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1869};
1870
55e6e397 1871static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1872{
1873 0x04, 0xd0, /* mov.l 1f,r0 */
1874 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1875 0x2b, 0x40, /* jmp @r0 */
1876 0x09, 0x00, /* nop */
1877 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1878 0x03, 0xd1, /* mov.l 2f,r1 */
1879 0x2b, 0x40, /* jmp @r0 */
1880 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1881 0x09, 0x00, /* nop */
1882 0x09, 0x00, /* nop */
1883 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1884 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1885};
1886
55e6e397
RS
1887static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1888 {
1889 {
1890 /* Big-endian non-PIC. */
1891 elf_sh_plt0_entry_be,
1892 ELF_PLT_ENTRY_SIZE,
1893 { MINUS_ONE, 24, 20 },
1894 elf_sh_plt_entry_be,
1895 ELF_PLT_ENTRY_SIZE,
1896 { 20, 16, 24 },
1897 8
1898 },
1899 {
1900 /* Little-endian non-PIC. */
1901 elf_sh_plt0_entry_le,
1902 ELF_PLT_ENTRY_SIZE,
1903 { MINUS_ONE, 24, 20 },
1904 elf_sh_plt_entry_le,
1905 ELF_PLT_ENTRY_SIZE,
1906 { 20, 16, 24 },
1907 8
1908 },
1909 },
1910 {
1911 {
1912 /* Big-endian PIC. */
1913 elf_sh_plt0_entry_be,
1914 ELF_PLT_ENTRY_SIZE,
1915 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1916 elf_sh_pic_plt_entry_be,
1917 ELF_PLT_ENTRY_SIZE,
1918 { 20, MINUS_ONE, 24 },
1919 8
1920 },
1921 {
1922 /* Little-endian PIC. */
1923 elf_sh_plt0_entry_le,
1924 ELF_PLT_ENTRY_SIZE,
1925 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1926 elf_sh_pic_plt_entry_le,
1927 ELF_PLT_ENTRY_SIZE,
1928 { 20, MINUS_ONE, 24 },
1929 8
1930 },
1931 }
1932};
252b5132 1933
55e6e397
RS
1934#define VXWORKS_PLT_HEADER_SIZE 12
1935#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 1936
55e6e397
RS
1937static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1938{
1939 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1940 0x61, 0x12, /* mov.l @r1,r1 */
1941 0x41, 0x2b, /* jmp @r1 */
1942 0x00, 0x09, /* nop */
1943 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1944};
252b5132 1945
55e6e397
RS
1946static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1947{
1948 0x01, 0xd1, /* mov.l @(8,pc),r1 */
1949 0x12, 0x61, /* mov.l @r1,r1 */
1950 0x2b, 0x41, /* jmp @r1 */
1951 0x09, 0x00, /* nop */
1952 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1953};
1954
1955static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1956{
1957 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1958 0x60, 0x02, /* mov.l @r0,r0 */
1959 0x40, 0x2b, /* jmp @r0 */
1960 0x00, 0x09, /* nop */
1961 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1962 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1963 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
1964 0x00, 0x09, /* nop */
1965 0x00, 0x09, /* nop */
1966 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1967};
1968
1969static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1970{
1971 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1972 0x02, 0x60, /* mov.l @r0,r0 */
1973 0x2b, 0x40, /* jmp @r0 */
1974 0x09, 0x00, /* nop */
1975 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1976 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1977 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
1978 0x09, 0x00, /* nop */
1979 0x09, 0x00, /* nop */
1980 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1981};
1982
1983static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1984{
1985 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1986 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1987 0x40, 0x2b, /* jmp @r0 */
1988 0x00, 0x09, /* nop */
1989 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
1990 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1991 0x51, 0xc2, /* mov.l @(8,r12),r1 */
1992 0x41, 0x2b, /* jmp @r1 */
1993 0x00, 0x09, /* nop */
1994 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1995};
1996
1997static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1998{
1999 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2000 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2001 0x2b, 0x40, /* jmp @r0 */
2002 0x09, 0x00, /* nop */
2003 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2004 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2005 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2006 0x2b, 0x41, /* jmp @r1 */
2007 0x09, 0x00, /* nop */
2008 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2009};
2010
2011static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2012 {
2013 {
2014 /* Big-endian non-PIC. */
2015 vxworks_sh_plt0_entry_be,
2016 VXWORKS_PLT_HEADER_SIZE,
2017 { MINUS_ONE, MINUS_ONE, 8 },
2018 vxworks_sh_plt_entry_be,
2019 VXWORKS_PLT_ENTRY_SIZE,
2020 { 8, 14, 20 },
2021 12
2022 },
2023 {
2024 /* Little-endian non-PIC. */
2025 vxworks_sh_plt0_entry_le,
2026 VXWORKS_PLT_HEADER_SIZE,
2027 { MINUS_ONE, MINUS_ONE, 8 },
2028 vxworks_sh_plt_entry_le,
2029 VXWORKS_PLT_ENTRY_SIZE,
2030 { 8, 14, 20 },
2031 12
2032 },
2033 },
2034 {
2035 {
2036 /* Big-endian PIC. */
2037 NULL,
2038 0,
2039 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2040 vxworks_sh_pic_plt_entry_be,
2041 VXWORKS_PLT_ENTRY_SIZE,
2042 { 8, MINUS_ONE, 20 },
2043 12
2044 },
2045 {
2046 /* Little-endian PIC. */
2047 NULL,
2048 0,
2049 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2050 vxworks_sh_pic_plt_entry_le,
2051 VXWORKS_PLT_ENTRY_SIZE,
2052 { 8, MINUS_ONE, 20 },
2053 12
2054 },
2055 }
2056};
9bdafcce 2057
55e6e397
RS
2058/* Return the type of PLT associated with ABFD. PIC_P is true if
2059 the object is position-independent. */
9bdafcce 2060
55e6e397
RS
2061static const struct elf_sh_plt_info *
2062get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
2063{
2064 if (vxworks_object_p (abfd))
2065 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2066 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2067}
9bdafcce 2068
55e6e397
RS
2069/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2070 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2071 not data. */
9bdafcce 2072
55e6e397
RS
2073inline static void
2074install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2075 unsigned long value, bfd_byte *addr)
2076{
2077 bfd_put_32 (output_bfd, value, addr);
2078}
fbca6ad9 2079#endif
015551fc 2080
55e6e397
RS
2081/* Return the index of the PLT entry at byte offset OFFSET. */
2082
2083static bfd_vma
2084get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2085{
2086 return (offset - info->plt0_entry_size) / info->symbol_entry_size;
2087}
2088
2089/* Do the inverse operation. */
2090
2091static bfd_vma
91d6fa6a 2092get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
55e6e397 2093{
91d6fa6a 2094 return info->plt0_entry_size + (plt_index * info->symbol_entry_size);
55e6e397
RS
2095}
2096
37c644f2 2097/* The sh linker needs to keep track of the number of relocs that it
067653c5
AM
2098 decides to copy as dynamic relocs in check_relocs for each symbol.
2099 This is so that it can later discard them if they are found to be
2100 unnecessary. We store the information in a field extending the
2101 regular ELF linker hash table. */
252b5132 2102
067653c5 2103struct elf_sh_dyn_relocs
38b1a46c 2104{
067653c5
AM
2105 struct elf_sh_dyn_relocs *next;
2106
2107 /* The input section of the reloc. */
2108 asection *sec;
2109
2110 /* Total number of relocs copied for the input section. */
37c644f2 2111 bfd_size_type count;
067653c5
AM
2112
2113 /* Number of pc-relative relocs copied for the input section. */
2114 bfd_size_type pc_count;
37c644f2 2115};
252b5132 2116
37c644f2
AO
2117/* sh ELF linker hash entry. */
2118
38b1a46c
NC
2119struct elf_sh_link_hash_entry
2120{
37c644f2
AO
2121 struct elf_link_hash_entry root;
2122
fbca6ad9 2123#ifdef INCLUDE_SHMEDIA
396a6083
SC
2124 union
2125 {
2126 bfd_signed_vma refcount;
2127 bfd_vma offset;
2128 } datalabel_got;
fbca6ad9
AO
2129#endif
2130
067653c5
AM
2131 /* Track dynamic relocs copied for this symbol. */
2132 struct elf_sh_dyn_relocs *dyn_relocs;
4989d792
SC
2133
2134 bfd_signed_vma gotplt_refcount;
3376eaf5
KK
2135
2136 enum {
2137 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
2138 } tls_type;
3376eaf5
KK
2139};
2140
2141#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2142
2143struct sh_elf_obj_tdata
2144{
2145 struct elf_obj_tdata root;
2146
2147 /* tls_type for each local got entry. */
2148 char *local_got_tls_type;
37c644f2
AO
2149};
2150
3376eaf5
KK
2151#define sh_elf_tdata(abfd) \
2152 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2153
2154#define sh_elf_local_got_tls_type(abfd) \
2155 (sh_elf_tdata (abfd)->local_got_tls_type)
2156
0ffa91dd
NC
2157#define is_sh_elf(bfd) \
2158 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2159 && elf_tdata (bfd) != NULL \
4dfe6ac6 2160 && elf_object_id (bfd) == SH_ELF_DATA)
0ffa91dd 2161
3376eaf5
KK
2162/* Override the generic function because we need to store sh_elf_obj_tdata
2163 as the specific tdata. */
2164
b34976b6 2165static bfd_boolean
09fd220b 2166sh_elf_mkobject (bfd *abfd)
3376eaf5 2167{
0ffa91dd 2168 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
4dfe6ac6 2169 SH_ELF_DATA);
3376eaf5 2170}
b34976b6 2171
37c644f2
AO
2172/* sh ELF linker hash table. */
2173
38b1a46c
NC
2174struct elf_sh_link_hash_table
2175{
37c644f2 2176 struct elf_link_hash_table root;
37c644f2 2177
067653c5
AM
2178 /* Short-cuts to get to dynamic linker sections. */
2179 asection *sgot;
2180 asection *sgotplt;
2181 asection *srelgot;
2182 asection *splt;
2183 asection *srelplt;
2184 asection *sdynbss;
2185 asection *srelbss;
37c644f2 2186
55e6e397
RS
2187 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2188 asection *srelplt2;
2189
87d72d41
AM
2190 /* Small local sym cache. */
2191 struct sym_cache sym_cache;
3376eaf5
KK
2192
2193 /* A counter or offset to track a TLS got entry. */
2194 union
2195 {
2196 bfd_signed_vma refcount;
2197 bfd_vma offset;
2198 } tls_ldm_got;
55e6e397
RS
2199
2200 /* The type of PLT to use. */
2201 const struct elf_sh_plt_info *plt_info;
2202
2203 /* True if the target system is VxWorks. */
2204 bfd_boolean vxworks_p;
067653c5 2205};
37c644f2
AO
2206
2207/* Traverse an sh ELF linker hash table. */
2208
2209#define sh_elf_link_hash_traverse(table, func, info) \
2210 (elf_link_hash_traverse \
2211 (&(table)->root, \
09fd220b 2212 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2213 (info)))
2214
2215/* Get the sh ELF linker hash table from a link_info structure. */
2216
2217#define sh_elf_hash_table(p) \
4dfe6ac6
NC
2218 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2219 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
37c644f2
AO
2220
2221/* Create an entry in an sh ELF linker hash table. */
2222
2223static struct bfd_hash_entry *
09fd220b
KK
2224sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2225 struct bfd_hash_table *table,
2226 const char *string)
37c644f2
AO
2227{
2228 struct elf_sh_link_hash_entry *ret =
2229 (struct elf_sh_link_hash_entry *) entry;
2230
2231 /* Allocate the structure if it has not already been allocated by a
2232 subclass. */
2233 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2234 ret = ((struct elf_sh_link_hash_entry *)
2235 bfd_hash_allocate (table,
2236 sizeof (struct elf_sh_link_hash_entry)));
2237 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2238 return (struct bfd_hash_entry *) ret;
2239
2240 /* Call the allocation method of the superclass. */
2241 ret = ((struct elf_sh_link_hash_entry *)
2242 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2243 table, string));
2244 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2245 {
396a6083
SC
2246 ret->dyn_relocs = NULL;
2247 ret->gotplt_refcount = 0;
fbca6ad9 2248#ifdef INCLUDE_SHMEDIA
396a6083 2249 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2250#endif
3376eaf5 2251 ret->tls_type = GOT_UNKNOWN;
37c644f2
AO
2252 }
2253
2254 return (struct bfd_hash_entry *) ret;
2255}
2256
2257/* Create an sh ELF linker hash table. */
2258
2259static struct bfd_link_hash_table *
09fd220b 2260sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2261{
2262 struct elf_sh_link_hash_table *ret;
dc810e39 2263 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2264
e2d34d7d 2265 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
37c644f2
AO
2266 if (ret == (struct elf_sh_link_hash_table *) NULL)
2267 return NULL;
2268
66eb6687
AM
2269 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2270 sh_elf_link_hash_newfunc,
4dfe6ac6
NC
2271 sizeof (struct elf_sh_link_hash_entry),
2272 SH_ELF_DATA))
37c644f2 2273 {
e2d34d7d 2274 free (ret);
37c644f2
AO
2275 return NULL;
2276 }
2277
067653c5
AM
2278 ret->sgot = NULL;
2279 ret->sgotplt = NULL;
2280 ret->srelgot = NULL;
2281 ret->splt = NULL;
2282 ret->srelplt = NULL;
2283 ret->sdynbss = NULL;
2284 ret->srelbss = NULL;
55e6e397 2285 ret->srelplt2 = NULL;
87d72d41 2286 ret->sym_cache.abfd = NULL;
3376eaf5 2287 ret->tls_ldm_got.refcount = 0;
55e6e397
RS
2288 ret->plt_info = NULL;
2289 ret->vxworks_p = vxworks_object_p (abfd);
067653c5 2290
37c644f2
AO
2291 return &ret->root.root;
2292}
2293
067653c5
AM
2294/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2295 shortcuts to them in our hash table. */
2296
b34976b6 2297static bfd_boolean
09fd220b 2298create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2299{
2300 struct elf_sh_link_hash_table *htab;
2301
2302 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2303 return FALSE;
067653c5
AM
2304
2305 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2306 if (htab == NULL)
2307 return FALSE;
2308
067653c5
AM
2309 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
2310 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
64e77c6d
L
2311 htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2312 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
067653c5 2313 abort ();
b34976b6 2314 return TRUE;
067653c5
AM
2315}
2316
37c644f2
AO
2317/* Create dynamic sections when linking against a dynamic object. */
2318
b34976b6 2319static bfd_boolean
09fd220b 2320sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2321{
067653c5 2322 struct elf_sh_link_hash_table *htab;
37c644f2 2323 flagword flags, pltflags;
91d6fa6a 2324 asection *s;
9c5bfbb7 2325 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2326 int ptralign = 0;
2327
2328 switch (bed->s->arch_size)
2329 {
2330 case 32:
2331 ptralign = 2;
2332 break;
2333
2334 case 64:
2335 ptralign = 3;
2336 break;
2337
2338 default:
2339 bfd_set_error (bfd_error_bad_value);
b34976b6 2340 return FALSE;
37c644f2
AO
2341 }
2342
067653c5 2343 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2344 if (htab == NULL)
2345 return FALSE;
2346
35cad4c4
KK
2347 if (htab->root.dynamic_sections_created)
2348 return TRUE;
067653c5 2349
37c644f2
AO
2350 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2351 .rel[a].bss sections. */
2352
2353 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2354 | SEC_LINKER_CREATED);
2355
2356 pltflags = flags;
2357 pltflags |= SEC_CODE;
2358 if (bed->plt_not_loaded)
2359 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2360 if (bed->plt_readonly)
2361 pltflags |= SEC_READONLY;
2362
3496cb2a 2363 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2364 htab->splt = s;
2365 if (s == NULL
35cad4c4
KK
2366 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2367 return FALSE;
37c644f2
AO
2368
2369 if (bed->want_plt_sym)
2370 {
2371 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2372 .plt section. */
14a793b2
AM
2373 struct elf_link_hash_entry *h;
2374 struct bfd_link_hash_entry *bh = NULL;
2375
37c644f2
AO
2376 if (! (_bfd_generic_link_add_one_symbol
2377 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2378 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2379 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2380 return FALSE;
14a793b2
AM
2381
2382 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2383 h->def_regular = 1;
37c644f2 2384 h->type = STT_OBJECT;
7325306f 2385 htab->root.hplt = h;
37c644f2
AO
2386
2387 if (info->shared
c152c796 2388 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2389 return FALSE;
37c644f2
AO
2390 }
2391
3496cb2a
L
2392 s = bfd_make_section_with_flags (abfd,
2393 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
2394 flags | SEC_READONLY);
35cad4c4
KK
2395 htab->srelplt = s;
2396 if (s == NULL
35cad4c4
KK
2397 || ! bfd_set_section_alignment (abfd, s, ptralign))
2398 return FALSE;
37c644f2 2399
2293c499
AM
2400 if (htab->sgot == NULL
2401 && !create_got_section (abfd, info))
b34976b6 2402 return FALSE;
37c644f2
AO
2403
2404 {
2405 const char *secname;
2406 char *relname;
2407 flagword secflags;
2408 asection *sec;
2409
2410 for (sec = abfd->sections; sec; sec = sec->next)
2411 {
2412 secflags = bfd_get_section_flags (abfd, sec);
2413 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
2414 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
2415 continue;
2416 secname = bfd_get_section_name (abfd, sec);
dc810e39 2417 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
37c644f2
AO
2418 strcpy (relname, ".rela");
2419 strcat (relname, secname);
03151a5a
KK
2420 if (bfd_get_section_by_name (abfd, secname))
2421 continue;
3496cb2a
L
2422 s = bfd_make_section_with_flags (abfd, relname,
2423 flags | SEC_READONLY);
37c644f2 2424 if (s == NULL
37c644f2 2425 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2426 return FALSE;
37c644f2
AO
2427 }
2428 }
2429
2430 if (bed->want_dynbss)
2431 {
2432 /* The .dynbss section is a place to put symbols which are defined
2433 by dynamic objects, are referenced by regular objects, and are
2434 not functions. We must allocate space for them in the process
2435 image and use a R_*_COPY reloc to tell the dynamic linker to
2436 initialize them at run time. The linker script puts the .dynbss
2437 section into the .bss section of the final image. */
3496cb2a
L
2438 s = bfd_make_section_with_flags (abfd, ".dynbss",
2439 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2440 htab->sdynbss = s;
3496cb2a 2441 if (s == NULL)
35cad4c4 2442 return FALSE;
37c644f2
AO
2443
2444 /* The .rel[a].bss section holds copy relocs. This section is not
2445 normally needed. We need to create it here, though, so that the
2446 linker will map it to an output section. We can't just create it
2447 only if we need it, because we will not know whether we need it
2448 until we have seen all the input files, and the first time the
2449 main linker code calls BFD after examining all the input files
2450 (size_dynamic_sections) the input sections have already been
2451 mapped to the output sections. If the section turns out not to
2452 be needed, we can discard it later. We will never need this
2453 section when generating a shared object, since they do not use
2454 copy relocs. */
35cad4c4 2455 if (! info->shared)
37c644f2 2456 {
3496cb2a
L
2457 s = bfd_make_section_with_flags (abfd,
2458 (bed->default_use_rela_p
2459 ? ".rela.bss" : ".rel.bss"),
2460 flags | SEC_READONLY);
067653c5 2461 htab->srelbss = s;
37c644f2 2462 if (s == NULL
37c644f2 2463 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2464 return FALSE;
37c644f2
AO
2465 }
2466 }
2467
55e6e397
RS
2468 if (htab->vxworks_p)
2469 {
2470 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2471 return FALSE;
2472 }
2473
b34976b6 2474 return TRUE;
37c644f2
AO
2475}
2476\f
37c644f2
AO
2477/* Adjust a symbol defined by a dynamic object and referenced by a
2478 regular object. The current definition is in some section of the
2479 dynamic object, but we're not including those sections. We have to
2480 change the definition to something the rest of the link can
2481 understand. */
2482
b34976b6 2483static bfd_boolean
09fd220b
KK
2484sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2485 struct elf_link_hash_entry *h)
37c644f2 2486{
067653c5
AM
2487 struct elf_sh_link_hash_table *htab;
2488 struct elf_sh_link_hash_entry *eh;
2489 struct elf_sh_dyn_relocs *p;
37c644f2 2490 asection *s;
37c644f2 2491
2293c499 2492 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2493 if (htab == NULL)
2494 return FALSE;
37c644f2
AO
2495
2496 /* Make sure we know what is going on here. */
2293c499 2497 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2498 && (h->needs_plt
f6e332e6 2499 || h->u.weakdef != NULL
f5385ebf
AM
2500 || (h->def_dynamic
2501 && h->ref_regular
2502 && !h->def_regular)));
37c644f2
AO
2503
2504 /* If this is a function, put it in the procedure linkage table. We
2505 will fill in the contents of the procedure linkage table later,
2506 when we know the address of the .got section. */
2507 if (h->type == STT_FUNC
f5385ebf 2508 || h->needs_plt)
37c644f2 2509 {
067653c5 2510 if (h->plt.refcount <= 0
3d85aebe
KK
2511 || SYMBOL_CALLS_LOCAL (info, h)
2512 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2513 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2514 {
2515 /* This case can occur if we saw a PLT reloc in an input
2516 file, but the symbol was never referred to by a dynamic
2517 object. In such a case, we don't actually need to build
2518 a procedure linkage table, and we can just do a REL32
2519 reloc instead. */
067653c5 2520 h->plt.offset = (bfd_vma) -1;
f5385ebf 2521 h->needs_plt = 0;
37c644f2
AO
2522 }
2523
b34976b6 2524 return TRUE;
37c644f2 2525 }
067653c5
AM
2526 else
2527 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2528
2529 /* If this is a weak symbol, and there is a real definition, the
2530 processor independent code will have arranged for us to see the
2531 real definition first, and we can just use the same value. */
f6e332e6 2532 if (h->u.weakdef != NULL)
37c644f2 2533 {
f6e332e6
AM
2534 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2535 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2536 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2537 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2538 if (info->nocopyreloc)
f6e332e6 2539 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2540 return TRUE;
37c644f2
AO
2541 }
2542
2543 /* This is a reference to a symbol defined by a dynamic object which
2544 is not a function. */
2545
2546 /* If we are creating a shared library, we must presume that the
2547 only references to the symbol are via the global offset table.
2548 For such cases we need not do anything here; the relocations will
2549 be handled correctly by relocate_section. */
2550 if (info->shared)
b34976b6 2551 return TRUE;
37c644f2
AO
2552
2553 /* If there are no references to this symbol that do not use the
2554 GOT, we don't need to generate a copy reloc. */
f5385ebf 2555 if (!h->non_got_ref)
b34976b6 2556 return TRUE;
37c644f2 2557
067653c5
AM
2558 /* If -z nocopyreloc was given, we won't generate them either. */
2559 if (info->nocopyreloc)
2560 {
f5385ebf 2561 h->non_got_ref = 0;
b34976b6 2562 return TRUE;
067653c5
AM
2563 }
2564
2565 eh = (struct elf_sh_link_hash_entry *) h;
2566 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2567 {
2568 s = p->sec->output_section;
2569 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2570 break;
2571 }
2572
2573 /* If we didn't find any dynamic relocs in sections which needs the
2574 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2575 the copy reloc. */
2576 if (p == NULL)
2577 {
f5385ebf 2578 h->non_got_ref = 0;
b34976b6 2579 return TRUE;
067653c5
AM
2580 }
2581
909272ee
AM
2582 if (h->size == 0)
2583 {
2584 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2585 h->root.root.string);
2586 return TRUE;
2587 }
2588
37c644f2
AO
2589 /* We must allocate the symbol in our .dynbss section, which will
2590 become part of the .bss section of the executable. There will be
2591 an entry for this symbol in the .dynsym section. The dynamic
2592 object will contain position independent code, so all references
2593 from the dynamic object to this symbol will go through the global
2594 offset table. The dynamic linker will use the .dynsym entry to
2595 determine the address it must put in the global offset table, so
2596 both the dynamic object and the regular object will refer to the
2597 same memory location for the variable. */
2598
067653c5 2599 s = htab->sdynbss;
37c644f2
AO
2600 BFD_ASSERT (s != NULL);
2601
2602 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2603 copy the initial value out of the dynamic object and into the
2604 runtime process image. We need to remember the offset into the
2605 .rela.bss section we are going to use. */
2606 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2607 {
2608 asection *srel;
2609
067653c5 2610 srel = htab->srelbss;
37c644f2 2611 BFD_ASSERT (srel != NULL);
eea6121a 2612 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2613 h->needs_copy = 1;
37c644f2
AO
2614 }
2615
027297b7 2616 return _bfd_elf_adjust_dynamic_copy (h, s);
37c644f2
AO
2617}
2618
067653c5
AM
2619/* Allocate space in .plt, .got and associated reloc sections for
2620 dynamic relocs. */
2621
b34976b6 2622static bfd_boolean
09fd220b 2623allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2624{
2625 struct bfd_link_info *info;
2626 struct elf_sh_link_hash_table *htab;
2627 struct elf_sh_link_hash_entry *eh;
2628 struct elf_sh_dyn_relocs *p;
2629
2630 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2631 return TRUE;
067653c5
AM
2632
2633 if (h->root.type == bfd_link_hash_warning)
2634 /* When warning symbols are created, they **replace** the "real"
2635 entry in the hash table, thus we never get to see the real
2636 symbol in a hash traversal. So look at it now. */
2637 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2638
2639 info = (struct bfd_link_info *) inf;
2640 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2641 if (htab == NULL)
2642 return FALSE;
067653c5 2643
4989d792
SC
2644 eh = (struct elf_sh_link_hash_entry *) h;
2645 if ((h->got.refcount > 0
f5385ebf 2646 || h->forced_local)
4989d792
SC
2647 && eh->gotplt_refcount > 0)
2648 {
2649 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2650 so treat all the gotplt refs as got refs. */
4989d792
SC
2651 h->got.refcount += eh->gotplt_refcount;
2652 if (h->plt.refcount >= eh->gotplt_refcount)
2653 h->plt.refcount -= eh->gotplt_refcount;
2654 }
2655
067653c5 2656 if (htab->root.dynamic_sections_created
04e534c3
KK
2657 && h->plt.refcount > 0
2658 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2659 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2660 {
2661 /* Make sure this symbol is output as a dynamic symbol.
2662 Undefined weak syms won't yet be marked as dynamic. */
2663 if (h->dynindx == -1
f5385ebf 2664 && !h->forced_local)
067653c5 2665 {
c152c796 2666 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2667 return FALSE;
067653c5
AM
2668 }
2669
267fb3c1
KK
2670 if (info->shared
2671 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
2672 {
2673 asection *s = htab->splt;
2674
2675 /* If this is the first .plt entry, make room for the special
2676 first entry. */
eea6121a 2677 if (s->size == 0)
55e6e397 2678 s->size += htab->plt_info->plt0_entry_size;
067653c5 2679
eea6121a 2680 h->plt.offset = s->size;
067653c5
AM
2681
2682 /* If this symbol is not defined in a regular file, and we are
2683 not generating a shared library, then set the symbol to this
2684 location in the .plt. This is required to make function
2685 pointers compare as equal between the normal executable and
2686 the shared library. */
2687 if (! info->shared
f5385ebf 2688 && !h->def_regular)
067653c5
AM
2689 {
2690 h->root.u.def.section = s;
2691 h->root.u.def.value = h->plt.offset;
2692 }
2693
2694 /* Make room for this entry. */
55e6e397 2695 s->size += htab->plt_info->symbol_entry_size;
067653c5
AM
2696
2697 /* We also need to make an entry in the .got.plt section, which
2698 will be placed in the .got section by the linker script. */
eea6121a 2699 htab->sgotplt->size += 4;
067653c5
AM
2700
2701 /* We also need to make an entry in the .rel.plt section. */
eea6121a 2702 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
2703
2704 if (htab->vxworks_p && !info->shared)
2705 {
2706 /* VxWorks executables have a second set of relocations
2707 for each PLT entry. They go in a separate relocation
2708 section, which is processed by the kernel loader. */
2709
2710 /* There is a relocation for the initial PLT entry:
2711 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2712 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2713 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2714
2715 /* There are two extra relocations for each subsequent
2716 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2717 and an R_SH_DIR32 relocation for the PLT entry. */
2718 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2719 }
067653c5
AM
2720 }
2721 else
2722 {
2723 h->plt.offset = (bfd_vma) -1;
f5385ebf 2724 h->needs_plt = 0;
067653c5
AM
2725 }
2726 }
2727 else
2728 {
2729 h->plt.offset = (bfd_vma) -1;
f5385ebf 2730 h->needs_plt = 0;
067653c5
AM
2731 }
2732
2733 if (h->got.refcount > 0)
2734 {
2735 asection *s;
b34976b6 2736 bfd_boolean dyn;
3376eaf5 2737 int tls_type = sh_elf_hash_entry (h)->tls_type;
067653c5
AM
2738
2739 /* Make sure this symbol is output as a dynamic symbol.
2740 Undefined weak syms won't yet be marked as dynamic. */
2741 if (h->dynindx == -1
f5385ebf 2742 && !h->forced_local)
067653c5 2743 {
c152c796 2744 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2745 return FALSE;
067653c5
AM
2746 }
2747
2748 s = htab->sgot;
eea6121a
AM
2749 h->got.offset = s->size;
2750 s->size += 4;
3376eaf5
KK
2751 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
2752 if (tls_type == GOT_TLS_GD)
eea6121a 2753 s->size += 4;
067653c5 2754 dyn = htab->root.dynamic_sections_created;
267fb3c1 2755 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5
KK
2756 R_SH_TLS_GD needs one if local symbol and two if global. */
2757 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
267fb3c1 2758 || (tls_type == GOT_TLS_IE && dyn))
eea6121a 2759 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5 2760 else if (tls_type == GOT_TLS_GD)
eea6121a 2761 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
04e534c3
KK
2762 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2763 || h->root.type != bfd_link_hash_undefweak)
2764 && (info->shared
2765 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 2766 htab->srelgot->size += sizeof (Elf32_External_Rela);
067653c5
AM
2767 }
2768 else
2769 h->got.offset = (bfd_vma) -1;
2770
396a6083
SC
2771#ifdef INCLUDE_SHMEDIA
2772 if (eh->datalabel_got.refcount > 0)
2773 {
2774 asection *s;
b34976b6 2775 bfd_boolean dyn;
396a6083
SC
2776
2777 /* Make sure this symbol is output as a dynamic symbol.
2778 Undefined weak syms won't yet be marked as dynamic. */
2779 if (h->dynindx == -1
f5385ebf 2780 && !h->forced_local)
396a6083 2781 {
c152c796 2782 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2783 return FALSE;
396a6083
SC
2784 }
2785
2786 s = htab->sgot;
eea6121a
AM
2787 eh->datalabel_got.offset = s->size;
2788 s->size += 4;
396a6083 2789 dyn = htab->root.dynamic_sections_created;
267fb3c1 2790 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 2791 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
2792 }
2793 else
2794 eh->datalabel_got.offset = (bfd_vma) -1;
2795#endif
2796
067653c5 2797 if (eh->dyn_relocs == NULL)
b34976b6 2798 return TRUE;
067653c5
AM
2799
2800 /* In the shared -Bsymbolic case, discard space allocated for
2801 dynamic pc-relative relocs against symbols which turn out to be
2802 defined in regular objects. For the normal shared case, discard
2803 space for pc-relative relocs that have become local due to symbol
2804 visibility changes. */
2805
2806 if (info->shared)
2807 {
3d85aebe 2808 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
2809 {
2810 struct elf_sh_dyn_relocs **pp;
2811
2812 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2813 {
2814 p->count -= p->pc_count;
2815 p->pc_count = 0;
2816 if (p->count == 0)
2817 *pp = p->next;
2818 else
2819 pp = &p->next;
2820 }
2821 }
04e534c3 2822
3348747a
NS
2823 if (htab->vxworks_p)
2824 {
2825 struct elf_sh_dyn_relocs **pp;
2826
2827 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2828 {
2829 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2830 *pp = p->next;
2831 else
2832 pp = &p->next;
2833 }
2834 }
2835
04e534c3
KK
2836 /* Also discard relocs on undefined weak syms with non-default
2837 visibility. */
22d606e9 2838 if (eh->dyn_relocs != NULL
04e534c3 2839 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
2840 {
2841 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2842 eh->dyn_relocs = NULL;
2843
2844 /* Make sure undefined weak symbols are output as a dynamic
2845 symbol in PIEs. */
2846 else if (h->dynindx == -1
2847 && !h->forced_local)
2848 {
2849 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2850 return FALSE;
2851 }
2852 }
067653c5
AM
2853 }
2854 else
2855 {
2856 /* For the non-shared case, discard space for relocs against
2857 symbols which turn out to need copy relocs or are not
2858 dynamic. */
2859
f5385ebf
AM
2860 if (!h->non_got_ref
2861 && ((h->def_dynamic
2862 && !h->def_regular)
067653c5
AM
2863 || (htab->root.dynamic_sections_created
2864 && (h->root.type == bfd_link_hash_undefweak
2865 || h->root.type == bfd_link_hash_undefined))))
2866 {
2867 /* Make sure this symbol is output as a dynamic symbol.
2868 Undefined weak syms won't yet be marked as dynamic. */
2869 if (h->dynindx == -1
f5385ebf 2870 && !h->forced_local)
067653c5 2871 {
c152c796 2872 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2873 return FALSE;
067653c5
AM
2874 }
2875
2876 /* If that succeeded, we know we'll be keeping all the
2877 relocs. */
2878 if (h->dynindx != -1)
2879 goto keep;
2880 }
2881
2882 eh->dyn_relocs = NULL;
2883
2884 keep: ;
2885 }
2886
2887 /* Finally, allocate space. */
2888 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2889 {
2890 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 2891 sreloc->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2892 }
2893
b34976b6 2894 return TRUE;
067653c5
AM
2895}
2896
2897/* Find any dynamic relocs that apply to read-only sections. */
2898
b34976b6 2899static bfd_boolean
09fd220b 2900readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2901{
2902 struct elf_sh_link_hash_entry *eh;
2903 struct elf_sh_dyn_relocs *p;
2904
2905 if (h->root.type == bfd_link_hash_warning)
2906 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2907
2908 eh = (struct elf_sh_link_hash_entry *) h;
2909 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2910 {
2911 asection *s = p->sec->output_section;
2912
2913 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2914 {
2915 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2916
2917 info->flags |= DF_TEXTREL;
2918
2919 /* Not an error, just cut short the traversal. */
b34976b6 2920 return FALSE;
067653c5
AM
2921 }
2922 }
b34976b6 2923 return TRUE;
067653c5
AM
2924}
2925
55e6e397
RS
2926/* This function is called after all the input files have been read,
2927 and the input sections have been assigned to output sections.
2928 It's a convenient place to determine the PLT style. */
2929
2930static bfd_boolean
2931sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2932{
2933 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
2934 return TRUE;
2935}
2936
37c644f2
AO
2937/* Set the sizes of the dynamic sections. */
2938
b34976b6 2939static bfd_boolean
09fd220b
KK
2940sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2941 struct bfd_link_info *info)
37c644f2 2942{
067653c5 2943 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2944 bfd *dynobj;
2945 asection *s;
b34976b6 2946 bfd_boolean relocs;
067653c5 2947 bfd *ibfd;
37c644f2 2948
067653c5 2949 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
2950 if (htab == NULL)
2951 return FALSE;
2952
067653c5 2953 dynobj = htab->root.dynobj;
37c644f2
AO
2954 BFD_ASSERT (dynobj != NULL);
2955
067653c5 2956 if (htab->root.dynamic_sections_created)
37c644f2
AO
2957 {
2958 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 2959 if (info->executable)
37c644f2
AO
2960 {
2961 s = bfd_get_section_by_name (dynobj, ".interp");
2962 BFD_ASSERT (s != NULL);
eea6121a 2963 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
2964 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2965 }
2966 }
37c644f2 2967
067653c5
AM
2968 /* Set up .got offsets for local syms, and space for local dynamic
2969 relocs. */
2970 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
37c644f2 2971 {
067653c5
AM
2972 bfd_signed_vma *local_got;
2973 bfd_signed_vma *end_local_got;
3376eaf5 2974 char *local_tls_type;
067653c5
AM
2975 bfd_size_type locsymcount;
2976 Elf_Internal_Shdr *symtab_hdr;
2977 asection *srel;
37c644f2 2978
0ffa91dd 2979 if (! is_sh_elf (ibfd))
37c644f2
AO
2980 continue;
2981
067653c5 2982 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 2983 {
067653c5
AM
2984 struct elf_sh_dyn_relocs *p;
2985
2986 for (p = ((struct elf_sh_dyn_relocs *)
2987 elf_section_data (s)->local_dynrel);
2988 p != NULL;
2989 p = p->next)
37c644f2 2990 {
067653c5
AM
2991 if (! bfd_is_abs_section (p->sec)
2992 && bfd_is_abs_section (p->sec->output_section))
2993 {
2994 /* Input section has been discarded, either because
2995 it is a copy of a linkonce section or due to
2996 linker script /DISCARD/, so we'll be discarding
2997 the relocs too. */
2998 }
3348747a
NS
2999 else if (htab->vxworks_p
3000 && strcmp (p->sec->output_section->name,
3001 ".tls_vars") == 0)
3002 {
3003 /* Relocations in vxworks .tls_vars sections are
3004 handled specially by the loader. */
3005 }
067653c5
AM
3006 else if (p->count != 0)
3007 {
3008 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3009 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
3010 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3011 info->flags |= DF_TEXTREL;
3012 }
37c644f2
AO
3013 }
3014 }
067653c5
AM
3015
3016 local_got = elf_local_got_refcounts (ibfd);
3017 if (!local_got)
3018 continue;
3019
0ffa91dd 3020 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
3021 locsymcount = symtab_hdr->sh_info;
3022#ifdef INCLUDE_SHMEDIA
3023 /* Count datalabel local GOT. */
3024 locsymcount *= 2;
3025#endif
3026 end_local_got = local_got + locsymcount;
3376eaf5 3027 local_tls_type = sh_elf_local_got_tls_type (ibfd);
067653c5
AM
3028 s = htab->sgot;
3029 srel = htab->srelgot;
3030 for (; local_got < end_local_got; ++local_got)
37c644f2 3031 {
067653c5 3032 if (*local_got > 0)
37c644f2 3033 {
eea6121a
AM
3034 *local_got = s->size;
3035 s->size += 4;
3376eaf5 3036 if (*local_tls_type == GOT_TLS_GD)
eea6121a 3037 s->size += 4;
067653c5 3038 if (info->shared)
eea6121a 3039 srel->size += sizeof (Elf32_External_Rela);
37c644f2
AO
3040 }
3041 else
067653c5 3042 *local_got = (bfd_vma) -1;
3376eaf5 3043 ++local_tls_type;
37c644f2 3044 }
067653c5
AM
3045 }
3046
3376eaf5
KK
3047 if (htab->tls_ldm_got.refcount > 0)
3048 {
3049 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3050 relocs. */
eea6121a
AM
3051 htab->tls_ldm_got.offset = htab->sgot->size;
3052 htab->sgot->size += 8;
3053 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3054 }
3055 else
3056 htab->tls_ldm_got.offset = -1;
3057
067653c5
AM
3058 /* Allocate global sym .plt and .got entries, and space for global
3059 sym dynamic relocs. */
09fd220b 3060 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5
AM
3061
3062 /* We now have determined the sizes of the various dynamic sections.
3063 Allocate memory for them. */
b34976b6 3064 relocs = FALSE;
067653c5
AM
3065 for (s = dynobj->sections; s != NULL; s = s->next)
3066 {
3067 if ((s->flags & SEC_LINKER_CREATED) == 0)
3068 continue;
3069
3070 if (s == htab->splt
3071 || s == htab->sgot
c456f082
AM
3072 || s == htab->sgotplt
3073 || s == htab->sdynbss)
067653c5
AM
3074 {
3075 /* Strip this section if we don't need it; see the
3076 comment below. */
3077 }
0112cd26 3078 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3079 {
55e6e397 3080 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3081 relocs = TRUE;
067653c5
AM
3082
3083 /* We use the reloc_count field as a counter if we need
3084 to copy relocs into the output file. */
3085 s->reloc_count = 0;
3086 }
3087 else
37c644f2
AO
3088 {
3089 /* It's not one of our sections, so don't allocate space. */
3090 continue;
3091 }
3092
eea6121a 3093 if (s->size == 0)
37c644f2 3094 {
067653c5
AM
3095 /* If we don't need this section, strip it from the
3096 output file. This is mostly to handle .rela.bss and
3097 .rela.plt. We must create both sections in
3098 create_dynamic_sections, because they must be created
3099 before the linker maps input sections to output
3100 sections. The linker does that before
3101 adjust_dynamic_symbol is called, and it is that
3102 function which decides whether anything needs to go
3103 into these sections. */
3104
8423293d 3105 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3106 continue;
3107 }
3108
c456f082
AM
3109 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3110 continue;
3111
067653c5
AM
3112 /* Allocate memory for the section contents. We use bfd_zalloc
3113 here in case unused entries are not reclaimed before the
3114 section's contents are written out. This should not happen,
3115 but this way if it does, we get a R_SH_NONE reloc instead
3116 of garbage. */
eea6121a 3117 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3118 if (s->contents == NULL)
b34976b6 3119 return FALSE;
37c644f2
AO
3120 }
3121
067653c5 3122 if (htab->root.dynamic_sections_created)
37c644f2
AO
3123 {
3124 /* Add some entries to the .dynamic section. We fill in the
3125 values later, in sh_elf_finish_dynamic_sections, but we
3126 must add the entries now so that we get the correct size for
3127 the .dynamic section. The DT_DEBUG entry is filled in by the
3128 dynamic linker and used by the debugger. */
dc810e39 3129#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3130 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3131
2558b9a9 3132 if (info->executable)
37c644f2 3133 {
067653c5 3134 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3135 return FALSE;
37c644f2
AO
3136 }
3137
eea6121a 3138 if (htab->splt->size != 0)
37c644f2 3139 {
067653c5
AM
3140 if (! add_dynamic_entry (DT_PLTGOT, 0)
3141 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3142 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3143 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3144 return FALSE;
37c644f2
AO
3145 }
3146
3147 if (relocs)
3148 {
067653c5
AM
3149 if (! add_dynamic_entry (DT_RELA, 0)
3150 || ! add_dynamic_entry (DT_RELASZ, 0)
3151 || ! add_dynamic_entry (DT_RELAENT,
3152 sizeof (Elf32_External_Rela)))
b34976b6 3153 return FALSE;
37c644f2 3154
067653c5
AM
3155 /* If any dynamic relocs apply to a read-only section,
3156 then we need a DT_TEXTREL entry. */
3157 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3158 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3159
3160 if ((info->flags & DF_TEXTREL) != 0)
3161 {
3162 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3163 return FALSE;
067653c5 3164 }
37c644f2 3165 }
7a2b07ff
NS
3166 if (htab->vxworks_p
3167 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3168 return FALSE;
37c644f2 3169 }
dc810e39 3170#undef add_dynamic_entry
37c644f2 3171
b34976b6 3172 return TRUE;
37c644f2 3173}
37c644f2
AO
3174\f
3175/* Relocate an SH ELF section. */
3176
b34976b6 3177static bfd_boolean
09fd220b
KK
3178sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3179 bfd *input_bfd, asection *input_section,
3180 bfd_byte *contents, Elf_Internal_Rela *relocs,
3181 Elf_Internal_Sym *local_syms,
3182 asection **local_sections)
37c644f2 3183{
067653c5 3184 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3185 Elf_Internal_Shdr *symtab_hdr;
3186 struct elf_link_hash_entry **sym_hashes;
3187 Elf_Internal_Rela *rel, *relend;
3188 bfd *dynobj;
3189 bfd_vma *local_got_offsets;
3190 asection *sgot;
fbca6ad9 3191 asection *sgotplt;
37c644f2
AO
3192 asection *splt;
3193 asection *sreloc;
3376eaf5 3194 asection *srelgot;
3348747a 3195 bfd_boolean is_vxworks_tls;
37c644f2 3196
0ffa91dd
NC
3197 BFD_ASSERT (is_sh_elf (input_bfd));
3198
067653c5 3199 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
3200 if (htab == NULL)
3201 return FALSE;
0ffa91dd 3202 symtab_hdr = &elf_symtab_hdr (input_bfd);
37c644f2 3203 sym_hashes = elf_sym_hashes (input_bfd);
067653c5 3204 dynobj = htab->root.dynobj;
37c644f2
AO
3205 local_got_offsets = elf_local_got_offsets (input_bfd);
3206
067653c5
AM
3207 sgot = htab->sgot;
3208 sgotplt = htab->sgotplt;
3209 splt = htab->splt;
37c644f2 3210 sreloc = NULL;
3376eaf5 3211 srelgot = NULL;
3348747a
NS
3212 /* We have to handle relocations in vxworks .tls_vars sections
3213 specially, because the dynamic loader is 'weird'. */
3214 is_vxworks_tls = (htab->vxworks_p && info->shared
3215 && !strcmp (input_section->output_section->name,
3216 ".tls_vars"));
37c644f2
AO
3217
3218 rel = relocs;
3219 relend = relocs + input_section->reloc_count;
3220 for (; rel < relend; rel++)
3221 {
3222 int r_type;
3223 reloc_howto_type *howto;
3224 unsigned long r_symndx;
3225 Elf_Internal_Sym *sym;
3226 asection *sec;
3227 struct elf_link_hash_entry *h;
3228 bfd_vma relocation;
435b1e90 3229 bfd_vma addend = (bfd_vma) 0;
37c644f2 3230 bfd_reloc_status_type r;
fbca6ad9 3231 int seen_stt_datalabel = 0;
3376eaf5
KK
3232 bfd_vma off;
3233 int tls_type;
37c644f2
AO
3234
3235 r_symndx = ELF32_R_SYM (rel->r_info);
3236
37c644f2
AO
3237 r_type = ELF32_R_TYPE (rel->r_info);
3238
3239 /* Many of the relocs are only used for relaxing, and are
067653c5 3240 handled entirely by the relaxation code. */
d38eb334
DD
3241 if (r_type >= (int) R_SH_GNU_VTINHERIT
3242 && r_type <= (int) R_SH_LABEL)
37c644f2 3243 continue;
c5aeb40f
AO
3244 if (r_type == (int) R_SH_NONE)
3245 continue;
37c644f2
AO
3246
3247 if (r_type < 0
3248 || r_type >= R_SH_max
3249 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3250 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
fbca6ad9
AO
3251 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3252 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3253 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3254 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3255 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3256 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
06bb75c1
AO
3257 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3258 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
37c644f2
AO
3259 {
3260 bfd_set_error (bfd_error_bad_value);
b34976b6 3261 return FALSE;
37c644f2
AO
3262 }
3263
55e6e397 3264 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3265
146be91a 3266 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3267 the relocation. */
146be91a
HPN
3268 if (! howto->partial_inplace)
3269 addend = rel->r_addend;
3270
37c644f2
AO
3271 h = NULL;
3272 sym = NULL;
3273 sec = NULL;
3274 if (r_symndx < symtab_hdr->sh_info)
3275 {
3276 sym = local_syms + r_symndx;
3277 sec = local_sections[r_symndx];
3278 relocation = (sec->output_section->vma
3279 + sec->output_offset
3280 + sym->st_value);
fbca6ad9
AO
3281 /* A local symbol never has STO_SH5_ISA32, so we don't need
3282 datalabel processing here. Make sure this does not change
3283 without notice. */
3284 if ((sym->st_other & STO_SH5_ISA32) != 0)
3285 ((*info->callbacks->reloc_dangerous)
3286 (info,
3287 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3288 input_bfd, input_section, rel->r_offset));
ab96bf03
AM
3289
3290 if (sec != NULL && elf_discarded_section (sec))
3291 /* Handled below. */
3292 ;
3293 else if (info->relocatable)
8a3975e6 3294 {
1049f94e 3295 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3296 anything, unless the reloc is against a section symbol,
3297 in which case we have to adjust according to where the
3298 section symbol winds up in the output section. */
8a3975e6 3299 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3300 {
3301 if (! howto->partial_inplace)
3302 {
3303 /* For relocations with the addend in the
3304 relocation, we need just to update the addend.
3305 All real relocs are of type partial_inplace; this
3306 code is mostly for completeness. */
ab96bf03 3307 rel->r_addend += sec->output_offset;
146be91a
HPN
3308
3309 continue;
3310 }
3311
3312 /* Relocs of type partial_inplace need to pick up the
3313 contents in the contents and add the offset resulting
3314 from the changed location of the section symbol.
3315 Using _bfd_final_link_relocate (e.g. goto
3316 final_link_relocate) here would be wrong, because
3317 relocations marked pc_relative would get the current
3318 location subtracted, and we must only do that at the
3319 final link. */
3320 r = _bfd_relocate_contents (howto, input_bfd,
3321 sec->output_offset
3322 + sym->st_value,
3323 contents + rel->r_offset);
3324 goto relocation_done;
3325 }
8a3975e6
AO
3326
3327 continue;
3328 }
f8df10f4
JJ
3329 else if (! howto->partial_inplace)
3330 {
8517fae7 3331 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
3332 addend = rel->r_addend;
3333 }
3334 else if ((sec->flags & SEC_MERGE)
3335 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3336 {
3337 asection *msec;
3338
3339 if (howto->rightshift || howto->src_mask != 0xffffffff)
3340 {
3341 (*_bfd_error_handler)
d003868e
AM
3342 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
3343 input_bfd, input_section,
f8df10f4 3344 (long) rel->r_offset, howto->name);
b34976b6 3345 return FALSE;
f8df10f4
JJ
3346 }
3347
067653c5
AM
3348 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3349 msec = sec;
3350 addend =
c629eae0 3351 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
3352 - relocation;
3353 addend += msec->output_section->vma + msec->output_offset;
3354 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3355 addend = 0;
3356 }
37c644f2
AO
3357 }
3358 else
3359 {
560e09e9
NC
3360 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3361
ab96bf03 3362 relocation = 0;
37c644f2
AO
3363 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3364 while (h->root.type == bfd_link_hash_indirect
3365 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
3366 {
3367#ifdef INCLUDE_SHMEDIA
3368 /* If the reference passes a symbol marked with
3369 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
3370 doesn't count. */
3371 seen_stt_datalabel |= h->type == STT_DATALABEL;
3372#endif
3373 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3374 }
37c644f2
AO
3375 if (h->root.type == bfd_link_hash_defined
3376 || h->root.type == bfd_link_hash_defweak)
3377 {
b34976b6 3378 bfd_boolean dyn;
067653c5
AM
3379
3380 dyn = htab->root.dynamic_sections_created;
37c644f2
AO
3381 sec = h->root.u.def.section;
3382 /* In these cases, we don't need the relocation value.
3383 We check specially because in some obscure cases
435b1e90 3384 sec->output_section will be NULL. */
37c644f2 3385 if (r_type == R_SH_GOTPC
fbca6ad9
AO
3386 || r_type == R_SH_GOTPC_LOW16
3387 || r_type == R_SH_GOTPC_MEDLOW16
3388 || r_type == R_SH_GOTPC_MEDHI16
3389 || r_type == R_SH_GOTPC_HI16
3390 || ((r_type == R_SH_PLT32
3391 || r_type == R_SH_PLT_LOW16
3392 || r_type == R_SH_PLT_MEDLOW16
3393 || r_type == R_SH_PLT_MEDHI16
3394 || r_type == R_SH_PLT_HI16)
37c644f2 3395 && h->plt.offset != (bfd_vma) -1)
fbca6ad9
AO
3396 || ((r_type == R_SH_GOT32
3397 || r_type == R_SH_GOT_LOW16
3398 || r_type == R_SH_GOT_MEDLOW16
3399 || r_type == R_SH_GOT_MEDHI16
3400 || r_type == R_SH_GOT_HI16)
267fb3c1 3401 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
3402 && (! info->shared
3403 || (! info->symbolic && h->dynindx != -1)
f5385ebf 3404 || !h->def_regular))
37c644f2
AO
3405 /* The cases above are those in which relocation is
3406 overwritten in the switch block below. The cases
3407 below are those in which we must defer relocation
3408 to run-time, because we can't resolve absolute
3409 addresses when creating a shared library. */
3410 || (info->shared
3411 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 3412 || !h->def_regular)
37c644f2 3413 && ((r_type == R_SH_DIR32
f5385ebf 3414 && !h->forced_local)
f50ad433
KK
3415 || (r_type == R_SH_REL32
3416 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3417 && ((input_section->flags & SEC_ALLOC) != 0
3418 /* DWARF will emit R_SH_DIR32 relocations in its
3419 sections against symbols defined externally
3420 in shared libraries. We can't do anything
3421 with them here. */
067653c5 3422 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3423 && h->def_dynamic)))
1448fa32
KK
3424 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3425 sections because such sections are not SEC_ALLOC and
3426 thus ld.so will not process them. */
3427 || (sec->output_section == NULL
3428 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3429 && h->def_dynamic))
3376eaf5
KK
3430 || (sec->output_section == NULL
3431 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
3432 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
ab96bf03
AM
3433 ;
3434 else if (sec->output_section != NULL)
3435 relocation = ((h->root.u.def.value
3436 + sec->output_section->vma
3437 + sec->output_offset)
3438 /* A STO_SH5_ISA32 causes a "bitor 1" to the
3439 symbol value, unless we've seen
3440 STT_DATALABEL on the way to it. */
3441 | ((h->other & STO_SH5_ISA32) != 0
3442 && ! seen_stt_datalabel));
3443 else if (!info->relocatable)
37c644f2
AO
3444 {
3445 (*_bfd_error_handler)
843fe662
L
3446 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3447 input_bfd,
3448 input_section,
3449 (long) rel->r_offset,
3450 howto->name,
3451 h->root.root.string);
b34976b6 3452 return FALSE;
37c644f2 3453 }
37c644f2
AO
3454 }
3455 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 3456 ;
59c2e50f 3457 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 3458 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
3459 ;
3460 else if (!info->relocatable)
37c644f2 3461 {
560e09e9
NC
3462 if (! info->callbacks->undefined_symbol
3463 (info, h->root.root.string, input_bfd,
3464 input_section, rel->r_offset,
59c2e50f 3465 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 3466 || ELF_ST_VISIBILITY (h->other))))
b34976b6 3467 return FALSE;
37c644f2
AO
3468 }
3469 }
3470
ab96bf03
AM
3471 if (sec != NULL && elf_discarded_section (sec))
3472 {
3473 /* For relocs against symbols from removed linkonce sections,
3474 or sections discarded by a linker script, we just want the
3475 section contents zeroed. Avoid any special processing. */
3476 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
3477 rel->r_info = 0;
3478 rel->r_addend = 0;
3479 continue;
3480 }
3481
3482 if (info->relocatable)
3483 continue;
3484
435b1e90 3485 switch ((int) r_type)
37c644f2
AO
3486 {
3487 final_link_relocate:
3488 /* COFF relocs don't use the addend. The addend is used for
435b1e90 3489 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
3490 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3491 contents, rel->r_offset,
3492 relocation, addend);
3493 break;
3494
3495 case R_SH_IND12W:
cd6ec716
DD
3496 goto final_link_relocate;
3497
37c644f2
AO
3498 case R_SH_DIR8WPN:
3499 case R_SH_DIR8WPZ:
3500 case R_SH_DIR8WPL:
cd6ec716
DD
3501 /* If the reloc is against the start of this section, then
3502 the assembler has already taken care of it and the reloc
3503 is here only to assist in relaxing. If the reloc is not
3504 against the start of this section, then it's against an
3505 external symbol and we must deal with it ourselves. */
3506 if (input_section->output_section->vma + input_section->output_offset
3507 != relocation)
3508 {
3509 int disp = (relocation
3510 - input_section->output_section->vma
3511 - input_section->output_offset
3512 - rel->r_offset);
3513 int mask = 0;
3514 switch (r_type)
3515 {
3516 case R_SH_DIR8WPN:
3517 case R_SH_DIR8WPZ: mask = 1; break;
3518 case R_SH_DIR8WPL: mask = 3; break;
3519 default: mask = 0; break;
3520 }
3521 if (disp & mask)
3522 {
3523 ((*_bfd_error_handler)
d003868e
AM
3524 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
3525 input_section->owner,
cd6ec716
DD
3526 (unsigned long) rel->r_offset));
3527 bfd_set_error (bfd_error_bad_value);
b34976b6 3528 return FALSE;
cd6ec716
DD
3529 }
3530 relocation -= 4;
3531 goto final_link_relocate;
3532 }
3533 r = bfd_reloc_ok;
3534 break;
37c644f2
AO
3535
3536 default:
fbca6ad9
AO
3537#ifdef INCLUDE_SHMEDIA
3538 if (shmedia_prepare_reloc (info, input_bfd, input_section,
3539 contents, rel, &relocation))
3540 goto final_link_relocate;
3541#endif
37c644f2 3542 bfd_set_error (bfd_error_bad_value);
b34976b6 3543 return FALSE;
37c644f2 3544
d38eb334
DD
3545 case R_SH_DIR16:
3546 case R_SH_DIR8:
3547 case R_SH_DIR8U:
3548 case R_SH_DIR8S:
3549 case R_SH_DIR4U:
3550 goto final_link_relocate;
3551
3552 case R_SH_DIR8UL:
3553 case R_SH_DIR4UL:
3554 if (relocation & 3)
3555 {
3556 ((*_bfd_error_handler)
d003868e
AM
3557 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3558 input_section->owner,
d38eb334 3559 (unsigned long) rel->r_offset, howto->name,
d003868e 3560 (unsigned long) relocation));
d38eb334
DD
3561 bfd_set_error (bfd_error_bad_value);
3562 return FALSE;
3563 }
3564 goto final_link_relocate;
3565
3566 case R_SH_DIR8UW:
3567 case R_SH_DIR8SW:
3568 case R_SH_DIR4UW:
3569 if (relocation & 1)
3570 {
3571 ((*_bfd_error_handler)
d003868e
AM
3572 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3573 input_section->owner,
d38eb334 3574 (unsigned long) rel->r_offset, howto->name,
d003868e 3575 (unsigned long) relocation));
d38eb334
DD
3576 bfd_set_error (bfd_error_bad_value);
3577 return FALSE;
3578 }
3579 goto final_link_relocate;
3580
3581 case R_SH_PSHA:
3582 if ((signed int)relocation < -32
3583 || (signed int)relocation > 32)
3584 {
3585 ((*_bfd_error_handler)
d003868e
AM
3586 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
3587 input_section->owner,
d38eb334 3588 (unsigned long) rel->r_offset,
d003868e 3589 (unsigned long) relocation));
d38eb334
DD
3590 bfd_set_error (bfd_error_bad_value);
3591 return FALSE;
3592 }
3593 goto final_link_relocate;
3594
3595 case R_SH_PSHL:
3596 if ((signed int)relocation < -16
3597 || (signed int)relocation > 16)
3598 {
3599 ((*_bfd_error_handler)
d003868e
AM
3600 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
3601 input_section->owner,
d38eb334 3602 (unsigned long) rel->r_offset,
d003868e 3603 (unsigned long) relocation));
d38eb334
DD
3604 bfd_set_error (bfd_error_bad_value);
3605 return FALSE;
3606 }
3607 goto final_link_relocate;
3608
37c644f2
AO
3609 case R_SH_DIR32:
3610 case R_SH_REL32:
46e993b9
KK
3611#ifdef INCLUDE_SHMEDIA
3612 case R_SH_IMM_LOW16_PCREL:
3613 case R_SH_IMM_MEDLOW16_PCREL:
3614 case R_SH_IMM_MEDHI16_PCREL:
3615 case R_SH_IMM_HI16_PCREL:
3616#endif
37c644f2 3617 if (info->shared
04e534c3
KK
3618 && (h == NULL
3619 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3620 || h->root.type != bfd_link_hash_undefweak)
ec338859 3621 && r_symndx != 0
37c644f2 3622 && (input_section->flags & SEC_ALLOC) != 0
3348747a 3623 && !is_vxworks_tls
46e993b9 3624 && (r_type == R_SH_DIR32
3d85aebe 3625 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3626 {
3627 Elf_Internal_Rela outrel;
947216bf 3628 bfd_byte *loc;
b34976b6 3629 bfd_boolean skip, relocate;
37c644f2
AO
3630
3631 /* When generating a shared object, these relocations
3632 are copied into the output file to be resolved at run
3633 time. */
3634
3635 if (sreloc == NULL)
3636 {
83bac4b0
NC
3637 sreloc = _bfd_elf_get_dynamic_reloc_section
3638 (input_bfd, input_section, /*rela?*/ TRUE);
3639 if (sreloc == NULL)
b34976b6 3640 return FALSE;
37c644f2
AO
3641 }
3642
b34976b6
AM
3643 skip = FALSE;
3644 relocate = FALSE;
37c644f2 3645
c629eae0
JJ
3646 outrel.r_offset =
3647 _bfd_elf_section_offset (output_bfd, info, input_section,
3648 rel->r_offset);
3649 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 3650 skip = TRUE;
0bb2d96a 3651 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 3652 skip = TRUE, relocate = TRUE;
37c644f2
AO
3653 outrel.r_offset += (input_section->output_section->vma
3654 + input_section->output_offset);
3655
3656 if (skip)
0bb2d96a 3657 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
3658 else if (r_type == R_SH_REL32)
3659 {
3660 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 3661 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 3662 outrel.r_addend
55e6e397
RS
3663 = (howto->partial_inplace
3664 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3665 : addend);
37c644f2 3666 }
46e993b9
KK
3667#ifdef INCLUDE_SHMEDIA
3668 else if (r_type == R_SH_IMM_LOW16_PCREL
3669 || r_type == R_SH_IMM_MEDLOW16_PCREL
3670 || r_type == R_SH_IMM_MEDHI16_PCREL
3671 || r_type == R_SH_IMM_HI16_PCREL)
3672 {
3673 BFD_ASSERT (h != NULL && h->dynindx != -1);
3674 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
3675 outrel.r_addend = addend;
3676 }
3677#endif
37c644f2
AO
3678 else
3679 {
3680 /* h->dynindx may be -1 if this symbol was marked to
3681 become local. */
3682 if (h == NULL
3683 || ((info->symbolic || h->dynindx == -1)
f5385ebf 3684 && h->def_regular))
37c644f2 3685 {
55e6e397 3686 relocate = howto->partial_inplace;
37c644f2 3687 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
3688 }
3689 else
3690 {
3691 BFD_ASSERT (h->dynindx != -1);
37c644f2 3692 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 3693 }
55e6e397
RS
3694 outrel.r_addend = relocation;
3695 outrel.r_addend
3696 += (howto->partial_inplace
3697 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3698 : addend);
37c644f2
AO
3699 }
3700
947216bf
AM
3701 loc = sreloc->contents;
3702 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3703 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3704
3705 /* If this reloc is against an external symbol, we do
3706 not want to fiddle with the addend. Otherwise, we
3707 need to include the symbol value so that it becomes
3708 an addend for the dynamic reloc. */
3709 if (! relocate)
3710 continue;
3711 }
37c644f2
AO
3712 goto final_link_relocate;
3713
fbca6ad9
AO
3714 case R_SH_GOTPLT32:
3715#ifdef INCLUDE_SHMEDIA
3716 case R_SH_GOTPLT_LOW16:
3717 case R_SH_GOTPLT_MEDLOW16:
3718 case R_SH_GOTPLT_MEDHI16:
3719 case R_SH_GOTPLT_HI16:
3720 case R_SH_GOTPLT10BY4:
3721 case R_SH_GOTPLT10BY8:
3722#endif
3723 /* Relocation is to the entry for this symbol in the
3724 procedure linkage table. */
3725
3726 if (h == NULL
f5385ebf 3727 || h->forced_local
fbca6ad9
AO
3728 || ! info->shared
3729 || info->symbolic
3730 || h->dynindx == -1
3731 || h->plt.offset == (bfd_vma) -1
3732 || h->got.offset != (bfd_vma) -1)
3733 goto force_got;
3734
3735 /* Relocation is to the entry for this symbol in the global
3736 offset table extension for the procedure linkage table. */
fbca6ad9 3737
067653c5 3738 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 3739 relocation = (sgotplt->output_offset
55e6e397
RS
3740 + (get_plt_index (htab->plt_info, h->plt.offset)
3741 + 3) * 4);
fbca6ad9
AO
3742
3743#ifdef GOT_BIAS
3744 relocation -= GOT_BIAS;
3745#endif
3746
3747 goto final_link_relocate;
3748
3749 force_got:
37c644f2 3750 case R_SH_GOT32:
fbca6ad9
AO
3751#ifdef INCLUDE_SHMEDIA
3752 case R_SH_GOT_LOW16:
3753 case R_SH_GOT_MEDLOW16:
3754 case R_SH_GOT_MEDHI16:
3755 case R_SH_GOT_HI16:
3756 case R_SH_GOT10BY4:
3757 case R_SH_GOT10BY8:
3758#endif
37c644f2
AO
3759 /* Relocation is to the entry for this symbol in the global
3760 offset table. */
067653c5
AM
3761
3762 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3763
3764 if (h != NULL)
3765 {
b34976b6 3766 bfd_boolean dyn;
37c644f2
AO
3767
3768 off = h->got.offset;
fbca6ad9
AO
3769#ifdef INCLUDE_SHMEDIA
3770 if (seen_stt_datalabel)
3771 {
3772 struct elf_sh_link_hash_entry *hsh;
3773
3774 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3775 off = hsh->datalabel_got.offset;
fbca6ad9
AO
3776 }
3777#endif
37c644f2
AO
3778 BFD_ASSERT (off != (bfd_vma) -1);
3779
067653c5 3780 dyn = htab->root.dynamic_sections_created;
267fb3c1 3781 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 3782 || (info->shared
3d85aebe 3783 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
3784 || (ELF_ST_VISIBILITY (h->other)
3785 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
3786 {
3787 /* This is actually a static link, or it is a
3788 -Bsymbolic link and the symbol is defined
3789 locally, or the symbol was forced to be local
3790 because of a version file. We must initialize
3791 this entry in the global offset table. Since the
3792 offset must always be a multiple of 4, we use the
3793 least significant bit to record whether we have
3794 initialized it already.
3795
3796 When doing a dynamic link, we create a .rela.got
3797 relocation entry to initialize the value. This
3798 is done in the finish_dynamic_symbol routine. */
3799 if ((off & 1) != 0)
3800 off &= ~1;
3801 else
3802 {
3803 bfd_put_32 (output_bfd, relocation,
3804 sgot->contents + off);
fbca6ad9
AO
3805#ifdef INCLUDE_SHMEDIA
3806 if (seen_stt_datalabel)
3807 {
3808 struct elf_sh_link_hash_entry *hsh;
3809
3810 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3811 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
3812 }
3813 else
3814#endif
3815 h->got.offset |= 1;
37c644f2
AO
3816 }
3817 }
3818
3819 relocation = sgot->output_offset + off;
3820 }
3821 else
3822 {
fbca6ad9
AO
3823#ifdef INCLUDE_SHMEDIA
3824 if (rel->r_addend)
3825 {
3826 BFD_ASSERT (local_got_offsets != NULL
3827 && (local_got_offsets[symtab_hdr->sh_info
3828 + r_symndx]
3829 != (bfd_vma) -1));
3830
3831 off = local_got_offsets[symtab_hdr->sh_info
3832 + r_symndx];
3833 }
3834 else
3835 {
3836#endif
37c644f2
AO
3837 BFD_ASSERT (local_got_offsets != NULL
3838 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3839
3840 off = local_got_offsets[r_symndx];
fbca6ad9
AO
3841#ifdef INCLUDE_SHMEDIA
3842 }
3843#endif
37c644f2
AO
3844
3845 /* The offset must always be a multiple of 4. We use
3846 the least significant bit to record whether we have
3847 already generated the necessary reloc. */
3848 if ((off & 1) != 0)
3849 off &= ~1;
3850 else
3851 {
3852 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
3853
3854 if (info->shared)
3855 {
37c644f2 3856 Elf_Internal_Rela outrel;
947216bf 3857 bfd_byte *loc;
37c644f2 3858
3376eaf5
KK
3859 if (srelgot == NULL)
3860 {
3861 srelgot = bfd_get_section_by_name (dynobj,
3862 ".rela.got");
3863 BFD_ASSERT (srelgot != NULL);
3864 }
37c644f2
AO
3865
3866 outrel.r_offset = (sgot->output_section->vma
3867 + sgot->output_offset
3868 + off);
3869 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
3870 outrel.r_addend = relocation;
947216bf
AM
3871 loc = srelgot->contents;
3872 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3873 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3874 }
3875
fbca6ad9
AO
3876#ifdef INCLUDE_SHMEDIA
3877 if (rel->r_addend)
3878 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
3879 else
3880#endif
3881 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
3882 }
3883
3884 relocation = sgot->output_offset + off;
3885 }
3886
fbca6ad9 3887#ifdef GOT_BIAS
067653c5 3888 relocation -= GOT_BIAS;
fbca6ad9
AO
3889#endif
3890
37c644f2
AO
3891 goto final_link_relocate;
3892
3893 case R_SH_GOTOFF:
fbca6ad9
AO
3894#ifdef INCLUDE_SHMEDIA
3895 case R_SH_GOTOFF_LOW16:
3896 case R_SH_GOTOFF_MEDLOW16:
3897 case R_SH_GOTOFF_MEDHI16:
3898 case R_SH_GOTOFF_HI16:
3899#endif
37c644f2
AO
3900 /* Relocation is relative to the start of the global offset
3901 table. */
3902
067653c5 3903 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3904
3905 /* Note that sgot->output_offset is not involved in this
3906 calculation. We always want the start of .got. If we
3907 defined _GLOBAL_OFFSET_TABLE in a different way, as is
3908 permitted by the ABI, we might have to change this
3909 calculation. */
3910 relocation -= sgot->output_section->vma;
3911
fbca6ad9
AO
3912#ifdef GOT_BIAS
3913 relocation -= GOT_BIAS;
3914#endif
3915
3916 addend = rel->r_addend;
3917
37c644f2
AO
3918 goto final_link_relocate;
3919
3920 case R_SH_GOTPC:
fbca6ad9
AO
3921#ifdef INCLUDE_SHMEDIA
3922 case R_SH_GOTPC_LOW16:
3923 case R_SH_GOTPC_MEDLOW16:
3924 case R_SH_GOTPC_MEDHI16:
3925 case R_SH_GOTPC_HI16:
3926#endif
37c644f2
AO
3927 /* Use global offset table as symbol value. */
3928
067653c5 3929 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3930 relocation = sgot->output_section->vma;
3931
fbca6ad9
AO
3932#ifdef GOT_BIAS
3933 relocation += GOT_BIAS;
3934#endif
3935
3936 addend = rel->r_addend;
3937
37c644f2
AO
3938 goto final_link_relocate;
3939
3940 case R_SH_PLT32:
fbca6ad9
AO
3941#ifdef INCLUDE_SHMEDIA
3942 case R_SH_PLT_LOW16:
3943 case R_SH_PLT_MEDLOW16:
3944 case R_SH_PLT_MEDHI16:
3945 case R_SH_PLT_HI16:
3946#endif
37c644f2
AO
3947 /* Relocation is to the entry for this symbol in the
3948 procedure linkage table. */
3949
3950 /* Resolve a PLT reloc against a local symbol directly,
3951 without using the procedure linkage table. */
3952 if (h == NULL)
3953 goto final_link_relocate;
3954
f5385ebf 3955 if (h->forced_local)
37c644f2
AO
3956 goto final_link_relocate;
3957
3958 if (h->plt.offset == (bfd_vma) -1)
3959 {
3960 /* We didn't make a PLT entry for this symbol. This
3961 happens when statically linking PIC code, or when
3962 using -Bsymbolic. */
3963 goto final_link_relocate;
3964 }
3965
067653c5 3966 BFD_ASSERT (splt != NULL);
37c644f2
AO
3967 relocation = (splt->output_section->vma
3968 + splt->output_offset
3969 + h->plt.offset);
3970
fbca6ad9
AO
3971#ifdef INCLUDE_SHMEDIA
3972 relocation++;
3973#endif
3974
3975 addend = rel->r_addend;
3976
37c644f2
AO
3977 goto final_link_relocate;
3978
3979 case R_SH_LOOP_START:
3980 {
3981 static bfd_vma start, end;
3982
3983 start = (relocation + rel->r_addend
3984 - (sec->output_section->vma + sec->output_offset));
3985 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3986 rel->r_offset, sec, start, end);
3987 break;
3988
3989 case R_SH_LOOP_END:
3990 end = (relocation + rel->r_addend
3991 - (sec->output_section->vma + sec->output_offset));
3992 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3993 rel->r_offset, sec, start, end);
3994 break;
3995 }
3376eaf5
KK
3996
3997 case R_SH_TLS_GD_32:
3998 case R_SH_TLS_IE_32:
3999 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4000 tls_type = GOT_UNKNOWN;
4001 if (h == NULL && local_got_offsets)
4002 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
4003 else if (h != NULL)
4004 {
4005 tls_type = sh_elf_hash_entry (h)->tls_type;
4006 if (! info->shared
4007 && (h->dynindx == -1
f5385ebf 4008 || h->def_regular))
267fb3c1 4009 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
4010 }
4011
4012 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
4013 r_type = R_SH_TLS_IE_32;
4014
4015 if (r_type == R_SH_TLS_LE_32)
4016 {
4017 bfd_vma offset;
4018 unsigned short insn;
3376eaf5
KK
4019
4020 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
4021 {
4022 /* GD->LE transition:
4023 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 4024 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
4025 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4026 We change it into:
4027 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4028 nop; nop; ...
4029 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4030
4031 offset = rel->r_offset;
4032 BFD_ASSERT (offset >= 16);
4033 /* Size of GD instructions is 16 or 18. */
4034 offset -= 16;
4035 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4036 if ((insn & 0xff00) == 0xc700)
4037 {
4038 BFD_ASSERT (offset >= 2);
4039 offset -= 2;
4040 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4041 }
4042
4043 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4044 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4045 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4046 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4047 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4048 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4049 BFD_ASSERT (insn == 0x310c);
4050 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4051 BFD_ASSERT (insn == 0x410b);
4052 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4053 BFD_ASSERT (insn == 0x34cc);
4054
4055 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4056 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4057 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4058 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4059 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4060 }
4061 else
4062 {
91d6fa6a 4063 int target;
3376eaf5
KK
4064
4065 /* IE->LE transition:
4066 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
4067 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
4068 We change it into:
4069 mov.l .Ln,rM; stc gbr,rN; nop; ...;
4070 1: x@TPOFF; 2:. */
4071
4072 offset = rel->r_offset;
4073 BFD_ASSERT (offset >= 16);
4074 /* Size of IE instructions is 10 or 12. */
4075 offset -= 10;
4076 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4077 if ((insn & 0xf0ff) == 0x0012)
4078 {
4079 BFD_ASSERT (offset >= 2);
4080 offset -= 2;
4081 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4082 }
4083
4084 BFD_ASSERT ((insn & 0xff00) == 0xd000);
91d6fa6a 4085 target = insn & 0x00ff;
3376eaf5
KK
4086 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4087 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
4088 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4089 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
91d6fa6a 4090 insn = 0xd000 | (insn & 0x0f00) | target;
3376eaf5
KK
4091 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4092 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4093 }
4094
267fb3c1
KK
4095 bfd_put_32 (output_bfd, tpoff (info, relocation),
4096 contents + rel->r_offset);
3376eaf5
KK
4097 continue;
4098 }
4099
4100 sgot = htab->sgot;
4101 if (sgot == NULL)
4102 abort ();
4103
4104 if (h != NULL)
4105 off = h->got.offset;
4106 else
4107 {
4108 if (local_got_offsets == NULL)
4109 abort ();
4110
4111 off = local_got_offsets[r_symndx];
4112 }
4113
267fb3c1
KK
4114 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4115 if (r_type == R_SH_TLS_IE_32
4116 && ! htab->root.dynamic_sections_created)
4117 {
4118 off &= ~1;
4119 bfd_put_32 (output_bfd, tpoff (info, relocation),
4120 sgot->contents + off);
4121 bfd_put_32 (output_bfd, sgot->output_offset + off,
4122 contents + rel->r_offset);
4123 continue;
4124 }
4125
3376eaf5
KK
4126 if ((off & 1) != 0)
4127 off &= ~1;
26e41594 4128 else
3376eaf5
KK
4129 {
4130 Elf_Internal_Rela outrel;
947216bf 4131 bfd_byte *loc;
3376eaf5
KK
4132 int dr_type, indx;
4133
4134 if (srelgot == NULL)
4135 {
4136 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4137 BFD_ASSERT (srelgot != NULL);
4138 }
4139
4140 outrel.r_offset = (sgot->output_section->vma
4141 + sgot->output_offset + off);
4142
267fb3c1 4143 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
4144 indx = 0;
4145 else
4146 indx = h->dynindx;
267fb3c1 4147
3376eaf5
KK
4148 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4149 R_SH_TLS_TPOFF32);
4150 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4151 outrel.r_addend = relocation - dtpoff_base (info);
4152 else
4153 outrel.r_addend = 0;
4154 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
4155 loc = srelgot->contents;
4156 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4157 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4158
4159 if (r_type == R_SH_TLS_GD_32)
4160 {
4161 if (indx == 0)
4162 {
4163 bfd_put_32 (output_bfd,
4164 relocation - dtpoff_base (info),
4165 sgot->contents + off + 4);
4166 }
4167 else
4168 {
4169 outrel.r_info = ELF32_R_INFO (indx,
4170 R_SH_TLS_DTPOFF32);
4171 outrel.r_offset += 4;
4172 outrel.r_addend = 0;
4173 srelgot->reloc_count++;
947216bf
AM
4174 loc += sizeof (Elf32_External_Rela);
4175 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4176 }
4177 }
4178
4179 if (h != NULL)
4180 h->got.offset |= 1;
4181 else
4182 local_got_offsets[r_symndx] |= 1;
4183 }
4184
4185 if (off >= (bfd_vma) -2)
4186 abort ();
4187
4188 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
4189 relocation = sgot->output_offset + off;
4190 else
4191 {
4192 bfd_vma offset;
4193 unsigned short insn;
4194
4195 /* GD->IE transition:
4196 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4197 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4198 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4199 We change it into:
4200 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4201 nop; nop; bra 3f; nop; .align 2;
4202 1: .long x@TPOFF; 2:...; 3:. */
4203
4204 offset = rel->r_offset;
4205 BFD_ASSERT (offset >= 16);
4206 /* Size of GD instructions is 16 or 18. */
4207 offset -= 16;
4208 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4209 if ((insn & 0xff00) == 0xc700)
4210 {
4211 BFD_ASSERT (offset >= 2);
4212 offset -= 2;
4213 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4214 }
4215
4216 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4217
4218 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4219 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4220
4221 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4222 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4223 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4224 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4225 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4226 BFD_ASSERT (insn == 0x310c);
4227 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4228 BFD_ASSERT (insn == 0x410b);
4229 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4230 BFD_ASSERT (insn == 0x34cc);
4231
4232 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4233 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4234 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4235 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4236 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4237
4238 bfd_put_32 (output_bfd, sgot->output_offset + off,
4239 contents + rel->r_offset);
4240
4241 continue;
4242 }
4243
4244 addend = rel->r_addend;
4245
4246 goto final_link_relocate;
4247
4248 case R_SH_TLS_LD_32:
4249 if (! info->shared)
4250 {
4251 bfd_vma offset;
4252 unsigned short insn;
4253
4254 /* LD->LE transition:
4255 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4256 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4257 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4258 We change it into:
4259 stc gbr,r0; nop; nop; nop;
4260 nop; nop; bra 3f; ...; 3:. */
4261
4262 offset = rel->r_offset;
4263 BFD_ASSERT (offset >= 16);
4264 /* Size of LD instructions is 16 or 18. */
4265 offset -= 16;
4266 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4267 if ((insn & 0xff00) == 0xc700)
4268 {
4269 BFD_ASSERT (offset >= 2);
4270 offset -= 2;
4271 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4272 }
4273
4274 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4275 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4276 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4277 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4278 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4279 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4280 BFD_ASSERT (insn == 0x310c);
4281 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4282 BFD_ASSERT (insn == 0x410b);
4283 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4284 BFD_ASSERT (insn == 0x34cc);
4285
4286 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
4287 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
4288 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4289 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4290 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4291 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4292
4293 continue;
4294 }
4295
4296 sgot = htab->sgot;
4297 if (sgot == NULL)
4298 abort ();
4299
4300 off = htab->tls_ldm_got.offset;
4301 if (off & 1)
4302 off &= ~1;
4303 else
4304 {
4305 Elf_Internal_Rela outrel;
947216bf 4306 bfd_byte *loc;
3376eaf5
KK
4307
4308 srelgot = htab->srelgot;
4309 if (srelgot == NULL)
4310 abort ();
4311
4312 outrel.r_offset = (sgot->output_section->vma
4313 + sgot->output_offset + off);
4314 outrel.r_addend = 0;
4315 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
4316 loc = srelgot->contents;
4317 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4318 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4319 htab->tls_ldm_got.offset |= 1;
4320 }
4321
4322 relocation = sgot->output_offset + off;
4323 addend = rel->r_addend;
4324
4325 goto final_link_relocate;
4326
4327 case R_SH_TLS_LDO_32:
4328 if (! info->shared)
267fb3c1 4329 relocation = tpoff (info, relocation);
3376eaf5
KK
4330 else
4331 relocation -= dtpoff_base (info);
4332
4333 addend = rel->r_addend;
4334 goto final_link_relocate;
4335
4336 case R_SH_TLS_LE_32:
4337 {
4338 int indx;
4339 Elf_Internal_Rela outrel;
947216bf 4340 bfd_byte *loc;
3376eaf5 4341
267fb3c1
KK
4342 if (! info->shared)
4343 {
4344 relocation = tpoff (info, relocation);
4345 addend = rel->r_addend;
4346 goto final_link_relocate;
4347 }
4348
3376eaf5
KK
4349 if (sreloc == NULL)
4350 {
83bac4b0
NC
4351 sreloc = _bfd_elf_get_dynamic_reloc_section
4352 (input_bfd, input_section, /*rela?*/ TRUE);
4353 if (sreloc == NULL)
b34976b6 4354 return FALSE;
3376eaf5
KK
4355 }
4356
267fb3c1
KK
4357 if (h == NULL || h->dynindx == -1)
4358 indx = 0;
4359 else
4360 indx = h->dynindx;
4361
3376eaf5
KK
4362 outrel.r_offset = (input_section->output_section->vma
4363 + input_section->output_offset
4364 + rel->r_offset);
4365 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
4366 if (indx == 0)
4367 outrel.r_addend = relocation - dtpoff_base (info);
4368 else
4369 outrel.r_addend = 0;
3376eaf5 4370
947216bf
AM
4371 loc = sreloc->contents;
4372 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4373 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4374 continue;
4375 }
37c644f2
AO
4376 }
4377
146be91a 4378 relocation_done:
37c644f2
AO
4379 if (r != bfd_reloc_ok)
4380 {
4381 switch (r)
4382 {
4383 default:
4384 case bfd_reloc_outofrange:
4385 abort ();
4386 case bfd_reloc_overflow:
4387 {
4388 const char *name;
4389
4390 if (h != NULL)
dfeffb9f 4391 name = NULL;
37c644f2
AO
4392 else
4393 {
252b5132
RH
4394 name = (bfd_elf_string_from_elf_section
4395 (input_bfd, symtab_hdr->sh_link, sym->st_name));
4396 if (name == NULL)
b34976b6 4397 return FALSE;
252b5132
RH
4398 if (*name == '\0')
4399 name = bfd_section_name (input_bfd, sec);
4400 }
4401 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
4402 (info, (h ? &h->root : NULL), name, howto->name,
4403 (bfd_vma) 0, input_bfd, input_section,
4404 rel->r_offset)))
b34976b6 4405 return FALSE;
252b5132
RH
4406 }
4407 break;
4408 }
4409 }
4410 }
4411
b34976b6 4412 return TRUE;
252b5132
RH
4413}
4414
4415/* This is a version of bfd_generic_get_relocated_section_contents
4416 which uses sh_elf_relocate_section. */
4417
4418static bfd_byte *
09fd220b
KK
4419sh_elf_get_relocated_section_contents (bfd *output_bfd,
4420 struct bfd_link_info *link_info,
4421 struct bfd_link_order *link_order,
4422 bfd_byte *data,
4423 bfd_boolean relocatable,
4424 asymbol **symbols)
252b5132
RH
4425{
4426 Elf_Internal_Shdr *symtab_hdr;
4427 asection *input_section = link_order->u.indirect.section;
4428 bfd *input_bfd = input_section->owner;
4429 asection **sections = NULL;
4430 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 4431 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
4432
4433 /* We only need to handle the case of relaxing, or of having a
4434 particular set of section contents, specially. */
1049f94e 4435 if (relocatable
252b5132
RH
4436 || elf_section_data (input_section)->this_hdr.contents == NULL)
4437 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4438 link_order, data,
1049f94e 4439 relocatable,
252b5132
RH
4440 symbols);
4441
0ffa91dd 4442 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
4443
4444 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 4445 (size_t) input_section->size);
252b5132
RH
4446
4447 if ((input_section->flags & SEC_RELOC) != 0
4448 && input_section->reloc_count > 0)
4449 {
252b5132 4450 asection **secpp;
6cdc0ccc 4451 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 4452 bfd_size_type amt;
252b5132 4453
45d6a902 4454 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 4455 (input_bfd, input_section, NULL,
b34976b6 4456 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
4457 if (internal_relocs == NULL)
4458 goto error_return;
4459
6cdc0ccc
AM
4460 if (symtab_hdr->sh_info != 0)
4461 {
4462 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4463 if (isymbuf == NULL)
4464 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4465 symtab_hdr->sh_info, 0,
4466 NULL, NULL, NULL);
4467 if (isymbuf == NULL)
4468 goto error_return;
4469 }
252b5132 4470
9ad5cbcf
AM
4471 amt = symtab_hdr->sh_info;
4472 amt *= sizeof (asection *);
4473 sections = (asection **) bfd_malloc (amt);
4474 if (sections == NULL && amt != 0)
252b5132
RH
4475 goto error_return;
4476
6cdc0ccc
AM
4477 isymend = isymbuf + symtab_hdr->sh_info;
4478 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
4479 {
4480 asection *isec;
4481
6cdc0ccc 4482 if (isym->st_shndx == SHN_UNDEF)
252b5132 4483 isec = bfd_und_section_ptr;
6cdc0ccc 4484 else if (isym->st_shndx == SHN_ABS)
252b5132 4485 isec = bfd_abs_section_ptr;
6cdc0ccc 4486 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
4487 isec = bfd_com_section_ptr;
4488 else
6cdc0ccc 4489 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
4490
4491 *secpp = isec;
4492 }
4493
4494 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
4495 input_section, data, internal_relocs,
6cdc0ccc 4496 isymbuf, sections))
252b5132
RH
4497 goto error_return;
4498
4499 if (sections != NULL)
4500 free (sections);
6cdc0ccc
AM
4501 if (isymbuf != NULL
4502 && symtab_hdr->contents != (unsigned char *) isymbuf)
4503 free (isymbuf);
4504 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 4505 free (internal_relocs);
252b5132
RH
4506 }
4507
4508 return data;
4509
4510 error_return:
252b5132
RH
4511 if (sections != NULL)
4512 free (sections);
6cdc0ccc
AM
4513 if (isymbuf != NULL
4514 && symtab_hdr->contents != (unsigned char *) isymbuf)
4515 free (isymbuf);
4516 if (internal_relocs != NULL
4517 && elf_section_data (input_section)->relocs != internal_relocs)
4518 free (internal_relocs);
252b5132
RH
4519 return NULL;
4520}
917583ad 4521
3376eaf5
KK
4522/* Return the base VMA address which should be subtracted from real addresses
4523 when resolving @dtpoff relocation.
4524 This is PT_TLS segment p_vaddr. */
4525
4526static bfd_vma
09fd220b 4527dtpoff_base (struct bfd_link_info *info)
3376eaf5 4528{
e1918d23
AM
4529 /* If tls_sec is NULL, we should have signalled an error already. */
4530 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 4531 return 0;
e1918d23 4532 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
4533}
4534
267fb3c1
KK
4535/* Return the relocation value for R_SH_TLS_TPOFF32.. */
4536
4537static bfd_vma
09fd220b 4538tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 4539{
e1918d23
AM
4540 /* If tls_sec is NULL, we should have signalled an error already. */
4541 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
4542 return 0;
4543 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
4544 structure which has 2 pointer fields. */
044ad7e3
KK
4545 return (address - elf_hash_table (info)->tls_sec->vma
4546 + align_power ((bfd_vma) 8,
4547 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
4548}
4549
252b5132 4550static asection *
09fd220b 4551sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
4552 struct bfd_link_info *info,
4553 Elf_Internal_Rela *rel,
4554 struct elf_link_hash_entry *h,
09fd220b 4555 Elf_Internal_Sym *sym)
252b5132
RH
4556{
4557 if (h != NULL)
07adf181
AM
4558 switch (ELF32_R_TYPE (rel->r_info))
4559 {
4560 case R_SH_GNU_VTINHERIT:
4561 case R_SH_GNU_VTENTRY:
4562 return NULL;
4563 }
9ad5cbcf 4564
07adf181 4565 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
4566}
4567
37c644f2
AO
4568/* Update the got entry reference counts for the section being removed. */
4569
b34976b6 4570static bfd_boolean
09fd220b
KK
4571sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
4572 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 4573{
067653c5
AM
4574 Elf_Internal_Shdr *symtab_hdr;
4575 struct elf_link_hash_entry **sym_hashes;
4576 bfd_signed_vma *local_got_refcounts;
4577 const Elf_Internal_Rela *rel, *relend;
067653c5 4578
7dda2462
TG
4579 if (info->relocatable)
4580 return TRUE;
4581
067653c5
AM
4582 elf_section_data (sec)->local_dynrel = NULL;
4583
0ffa91dd 4584 symtab_hdr = &elf_symtab_hdr (abfd);
067653c5
AM
4585 sym_hashes = elf_sym_hashes (abfd);
4586 local_got_refcounts = elf_local_got_refcounts (abfd);
4587
4588 relend = relocs + sec->reloc_count;
4589 for (rel = relocs; rel < relend; rel++)
396a6083 4590 {
26e41594
AM
4591 unsigned long r_symndx;
4592 unsigned int r_type;
4593 struct elf_link_hash_entry *h = NULL;
396a6083
SC
4594#ifdef INCLUDE_SHMEDIA
4595 int seen_stt_datalabel = 0;
4596#endif
3376eaf5 4597
396a6083 4598 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 4599 if (r_symndx >= symtab_hdr->sh_info)
396a6083 4600 {
26e41594
AM
4601 struct elf_sh_link_hash_entry *eh;
4602 struct elf_sh_dyn_relocs **pp;
4603 struct elf_sh_dyn_relocs *p;
4604
396a6083 4605 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4606 while (h->root.type == bfd_link_hash_indirect
4607 || h->root.type == bfd_link_hash_warning)
4608 {
3eb128b2 4609#ifdef INCLUDE_SHMEDIA
396a6083 4610 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 4611#endif
396a6083
SC
4612 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4613 }
26e41594
AM
4614 eh = (struct elf_sh_link_hash_entry *) h;
4615 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
4616 if (p->sec == sec)
4617 {
4618 /* Everything must go for SEC. */
4619 *pp = p->next;
4620 break;
4621 }
396a6083 4622 }
067653c5 4623
26e41594
AM
4624 r_type = ELF32_R_TYPE (rel->r_info);
4625 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
4626 {
4627 case R_SH_TLS_LD_32:
4628 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
4629 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
4630 break;
4631
4632 case R_SH_GOT32:
4633 case R_SH_GOTOFF:
4634 case R_SH_GOTPC:
4635#ifdef INCLUDE_SHMEDIA
4636 case R_SH_GOT_LOW16:
4637 case R_SH_GOT_MEDLOW16:
4638 case R_SH_GOT_MEDHI16:
4639 case R_SH_GOT_HI16:
4640 case R_SH_GOT10BY4:
4641 case R_SH_GOT10BY8:
4642 case R_SH_GOTOFF_LOW16:
4643 case R_SH_GOTOFF_MEDLOW16:
4644 case R_SH_GOTOFF_MEDHI16:
4645 case R_SH_GOTOFF_HI16:
4646 case R_SH_GOTPC_LOW16:
4647 case R_SH_GOTPC_MEDLOW16:
4648 case R_SH_GOTPC_MEDHI16:
4649 case R_SH_GOTPC_HI16:
4650#endif
4651 case R_SH_TLS_GD_32:
4652 case R_SH_TLS_IE_32:
4653 if (h != NULL)
4654 {
4655#ifdef INCLUDE_SHMEDIA
4656 if (seen_stt_datalabel)
4657 {
26e41594
AM
4658 struct elf_sh_link_hash_entry *eh;
4659 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
4660 if (eh->datalabel_got.refcount > 0)
4661 eh->datalabel_got.refcount -= 1;
4662 }
4663 else
4664#endif
4665 if (h->got.refcount > 0)
4666 h->got.refcount -= 1;
4667 }
4668 else if (local_got_refcounts != NULL)
4669 {
4670#ifdef INCLUDE_SHMEDIA
4671 if (rel->r_addend & 1)
4672 {
4673 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4674 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4675 }
4676 else
4677#endif
4678 if (local_got_refcounts[r_symndx] > 0)
4679 local_got_refcounts[r_symndx] -= 1;
4680 }
4681 break;
4682
4683 case R_SH_DIR32:
4684 case R_SH_REL32:
26e41594
AM
4685 if (info->shared)
4686 break;
4687 /* Fall thru */
396a6083
SC
4688
4689 case R_SH_PLT32:
4690#ifdef INCLUDE_SHMEDIA
4691 case R_SH_PLT_LOW16:
4692 case R_SH_PLT_MEDLOW16:
4693 case R_SH_PLT_MEDHI16:
4694 case R_SH_PLT_HI16:
4695#endif
4696 if (h != NULL)
4697 {
4698 if (h->plt.refcount > 0)
4699 h->plt.refcount -= 1;
4700 }
4701 break;
067653c5 4702
396a6083
SC
4703 case R_SH_GOTPLT32:
4704#ifdef INCLUDE_SHMEDIA
4705 case R_SH_GOTPLT_LOW16:
4706 case R_SH_GOTPLT_MEDLOW16:
4707 case R_SH_GOTPLT_MEDHI16:
4708 case R_SH_GOTPLT_HI16:
4709 case R_SH_GOTPLT10BY4:
4710 case R_SH_GOTPLT10BY8:
4711#endif
4712 if (h != NULL)
4713 {
26e41594
AM
4714 struct elf_sh_link_hash_entry *eh;
4715 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 4716 if (eh->gotplt_refcount > 0)
067653c5 4717 {
396a6083
SC
4718 eh->gotplt_refcount -= 1;
4719 if (h->plt.refcount > 0)
4720 h->plt.refcount -= 1;
067653c5 4721 }
067653c5 4722#ifdef INCLUDE_SHMEDIA
396a6083
SC
4723 else if (seen_stt_datalabel)
4724 {
4725 if (eh->datalabel_got.refcount > 0)
4726 eh->datalabel_got.refcount -= 1;
4727 }
067653c5 4728#endif
396a6083
SC
4729 else if (h->got.refcount > 0)
4730 h->got.refcount -= 1;
4731 }
4732 else if (local_got_refcounts != NULL)
4733 {
067653c5 4734#ifdef INCLUDE_SHMEDIA
396a6083
SC
4735 if (rel->r_addend & 1)
4736 {
4737 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4738 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4739 }
4740 else
067653c5 4741#endif
396a6083
SC
4742 if (local_got_refcounts[r_symndx] > 0)
4743 local_got_refcounts[r_symndx] -= 1;
4744 }
4745 break;
067653c5 4746
396a6083
SC
4747 default:
4748 break;
4749 }
4750 }
067653c5 4751
b34976b6 4752 return TRUE;
252b5132
RH
4753}
4754
067653c5
AM
4755/* Copy the extra info we tack onto an elf_link_hash_entry. */
4756
4757static void
fcfa13d2 4758sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
4759 struct elf_link_hash_entry *dir,
4760 struct elf_link_hash_entry *ind)
067653c5
AM
4761{
4762 struct elf_sh_link_hash_entry *edir, *eind;
4763
4764 edir = (struct elf_sh_link_hash_entry *) dir;
4765 eind = (struct elf_sh_link_hash_entry *) ind;
4766
4767 if (eind->dyn_relocs != NULL)
4768 {
4769 if (edir->dyn_relocs != NULL)
4770 {
4771 struct elf_sh_dyn_relocs **pp;
4772 struct elf_sh_dyn_relocs *p;
4773
fcfa13d2 4774 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
4775 list. Merge any entries against the same section. */
4776 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
4777 {
4778 struct elf_sh_dyn_relocs *q;
4779
4780 for (q = edir->dyn_relocs; q != NULL; q = q->next)
4781 if (q->sec == p->sec)
4782 {
4783 q->pc_count += p->pc_count;
4784 q->count += p->count;
4785 *pp = p->next;
4786 break;
4787 }
4788 if (q == NULL)
4789 pp = &p->next;
4790 }
4791 *pp = edir->dyn_relocs;
4792 }
4793
4794 edir->dyn_relocs = eind->dyn_relocs;
4795 eind->dyn_relocs = NULL;
4796 }
4989d792
SC
4797 edir->gotplt_refcount = eind->gotplt_refcount;
4798 eind->gotplt_refcount = 0;
396a6083 4799#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
4800 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
4801 eind->datalabel_got.refcount = 0;
396a6083 4802#endif
067653c5 4803
3376eaf5
KK
4804 if (ind->root.type == bfd_link_hash_indirect
4805 && dir->got.refcount <= 0)
4806 {
4807 edir->tls_type = eind->tls_type;
4808 eind->tls_type = GOT_UNKNOWN;
4809 }
4810
04e534c3 4811 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
4812 && dir->dynamic_adjusted)
4813 {
4814 /* If called to transfer flags for a weakdef during processing
4815 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
4816 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
4817 dir->ref_dynamic |= ind->ref_dynamic;
4818 dir->ref_regular |= ind->ref_regular;
4819 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
4820 dir->needs_plt |= ind->needs_plt;
4821 }
04e534c3 4822 else
fcfa13d2 4823 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
4824}
4825
3376eaf5 4826static int
09fd220b
KK
4827sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
4828 int is_local)
3376eaf5
KK
4829{
4830 if (info->shared)
4831 return r_type;
4832
4833 switch (r_type)
4834 {
4835 case R_SH_TLS_GD_32:
4836 case R_SH_TLS_IE_32:
4837 if (is_local)
4838 return R_SH_TLS_LE_32;
4839 return R_SH_TLS_IE_32;
4840 case R_SH_TLS_LD_32:
4841 return R_SH_TLS_LE_32;
4842 }
4843
4844 return r_type;
4845}
4846
252b5132
RH
4847/* Look through the relocs for a section during the first phase.
4848 Since we don't do .gots or .plts, we just need to consider the
4849 virtual table relocs for gc. */
435b1e90 4850
b34976b6 4851static bfd_boolean
09fd220b
KK
4852sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
4853 const Elf_Internal_Rela *relocs)
252b5132
RH
4854{
4855 Elf_Internal_Shdr *symtab_hdr;
5582a088 4856 struct elf_link_hash_entry **sym_hashes;
067653c5 4857 struct elf_sh_link_hash_table *htab;
252b5132
RH
4858 const Elf_Internal_Rela *rel;
4859 const Elf_Internal_Rela *rel_end;
37c644f2
AO
4860 bfd_vma *local_got_offsets;
4861 asection *sgot;
4862 asection *srelgot;
4863 asection *sreloc;
3376eaf5
KK
4864 unsigned int r_type;
4865 int tls_type, old_tls_type;
435b1e90 4866
37c644f2
AO
4867 sgot = NULL;
4868 srelgot = NULL;
4869 sreloc = NULL;
4870
1049f94e 4871 if (info->relocatable)
b34976b6 4872 return TRUE;
435b1e90 4873
0ffa91dd
NC
4874 BFD_ASSERT (is_sh_elf (abfd));
4875
4876 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 4877 sym_hashes = elf_sym_hashes (abfd);
435b1e90 4878
067653c5 4879 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
4880 if (htab == NULL)
4881 return FALSE;
4882
37c644f2
AO
4883 local_got_offsets = elf_local_got_offsets (abfd);
4884
252b5132
RH
4885 rel_end = relocs + sec->reloc_count;
4886 for (rel = relocs; rel < rel_end; rel++)
4887 {
4888 struct elf_link_hash_entry *h;
4889 unsigned long r_symndx;
396a6083
SC
4890#ifdef INCLUDE_SHMEDIA
4891 int seen_stt_datalabel = 0;
4892#endif
435b1e90 4893
252b5132 4894 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
4895 r_type = ELF32_R_TYPE (rel->r_info);
4896
252b5132 4897 if (r_symndx < symtab_hdr->sh_info)
435b1e90 4898 h = NULL;
252b5132 4899 else
396a6083
SC
4900 {
4901 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4902 while (h->root.type == bfd_link_hash_indirect
4903 || h->root.type == bfd_link_hash_warning)
4904 {
973a3492 4905#ifdef INCLUDE_SHMEDIA
396a6083 4906 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 4907#endif
396a6083
SC
4908 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4909 }
396a6083 4910 }
435b1e90 4911
3376eaf5
KK
4912 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4913 if (! info->shared
4914 && r_type == R_SH_TLS_IE_32
4915 && h != NULL
4916 && h->root.type != bfd_link_hash_undefined
4917 && h->root.type != bfd_link_hash_undefweak
4918 && (h->dynindx == -1
f5385ebf 4919 || h->def_regular))
3376eaf5
KK
4920 r_type = R_SH_TLS_LE_32;
4921
37c644f2 4922 /* Some relocs require a global offset table. */
067653c5 4923 if (htab->sgot == NULL)
37c644f2 4924 {
3376eaf5 4925 switch (r_type)
37c644f2 4926 {
fbca6ad9 4927 case R_SH_GOTPLT32:
37c644f2
AO
4928 case R_SH_GOT32:
4929 case R_SH_GOTOFF:
4930 case R_SH_GOTPC:
fbca6ad9
AO
4931#ifdef INCLUDE_SHMEDIA
4932 case R_SH_GOTPLT_LOW16:
4933 case R_SH_GOTPLT_MEDLOW16:
4934 case R_SH_GOTPLT_MEDHI16:
4935 case R_SH_GOTPLT_HI16:
4936 case R_SH_GOTPLT10BY4:
4937 case R_SH_GOTPLT10BY8:
4938 case R_SH_GOT_LOW16:
4939 case R_SH_GOT_MEDLOW16:
4940 case R_SH_GOT_MEDHI16:
4941 case R_SH_GOT_HI16:
4942 case R_SH_GOT10BY4:
4943 case R_SH_GOT10BY8:
4944 case R_SH_GOTOFF_LOW16:
4945 case R_SH_GOTOFF_MEDLOW16:
4946 case R_SH_GOTOFF_MEDHI16:
4947 case R_SH_GOTOFF_HI16:
4948 case R_SH_GOTPC_LOW16:
4949 case R_SH_GOTPC_MEDLOW16:
4950 case R_SH_GOTPC_MEDHI16:
4951 case R_SH_GOTPC_HI16:
4952#endif
3376eaf5
KK
4953 case R_SH_TLS_GD_32:
4954 case R_SH_TLS_LD_32:
4955 case R_SH_TLS_IE_32:
2293c499
AM
4956 if (htab->sgot == NULL)
4957 {
4958 if (htab->root.dynobj == NULL)
4959 htab->root.dynobj = abfd;
4960 if (!create_got_section (htab->root.dynobj, info))
4961 return FALSE;
4962 }
37c644f2
AO
4963 break;
4964
4965 default:
4966 break;
4967 }
4968 }
4969
3376eaf5 4970 switch (r_type)
067653c5
AM
4971 {
4972 /* This relocation describes the C++ object vtable hierarchy.
4973 Reconstruct it for later use during GC. */
435b1e90 4974 case R_SH_GNU_VTINHERIT:
c152c796 4975 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 4976 return FALSE;
435b1e90
KH
4977 break;
4978
067653c5
AM
4979 /* This relocation describes which C++ vtable entries are actually
4980 used. Record for later use during GC. */
435b1e90 4981 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
4982 BFD_ASSERT (h != NULL);
4983 if (h != NULL
4984 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 4985 return FALSE;
435b1e90 4986 break;
37c644f2 4987
3376eaf5
KK
4988 case R_SH_TLS_IE_32:
4989 if (info->shared)
4990 info->flags |= DF_STATIC_TLS;
4991
4992 /* FALLTHROUGH */
267fb3c1 4993 force_got:
3376eaf5 4994 case R_SH_TLS_GD_32:
37c644f2 4995 case R_SH_GOT32:
fbca6ad9
AO
4996#ifdef INCLUDE_SHMEDIA
4997 case R_SH_GOT_LOW16:
4998 case R_SH_GOT_MEDLOW16:
4999 case R_SH_GOT_MEDHI16:
5000 case R_SH_GOT_HI16:
5001 case R_SH_GOT10BY4:
5002 case R_SH_GOT10BY8:
5003#endif
3376eaf5
KK
5004 switch (r_type)
5005 {
5006 default:
5007 tls_type = GOT_NORMAL;
5008 break;
5009 case R_SH_TLS_GD_32:
5010 tls_type = GOT_TLS_GD;
5011 break;
5012 case R_SH_TLS_IE_32:
5013 tls_type = GOT_TLS_IE;
5014 break;
5015 }
5016
37c644f2 5017 if (h != NULL)
3376eaf5 5018 {
396a6083
SC
5019#ifdef INCLUDE_SHMEDIA
5020 if (seen_stt_datalabel)
5021 {
b34976b6
AM
5022 struct elf_sh_link_hash_entry *eh
5023 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5024
5025 eh->datalabel_got.refcount += 1;
5026 }
5027 else
5028#endif
5029 h->got.refcount += 1;
3376eaf5
KK
5030 old_tls_type = sh_elf_hash_entry (h)->tls_type;
5031 }
37c644f2
AO
5032 else
5033 {
067653c5
AM
5034 bfd_signed_vma *local_got_refcounts;
5035
435b1e90 5036 /* This is a global offset table entry for a local
067653c5
AM
5037 symbol. */
5038 local_got_refcounts = elf_local_got_refcounts (abfd);
5039 if (local_got_refcounts == NULL)
37c644f2 5040 {
dc810e39 5041 bfd_size_type size;
37c644f2 5042
dc810e39 5043 size = symtab_hdr->sh_info;
067653c5 5044 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
5045#ifdef INCLUDE_SHMEDIA
5046 /* Reserve space for both the datalabel and
5047 codelabel local GOT offsets. */
5048 size *= 2;
5049#endif
3376eaf5 5050 size += symtab_hdr->sh_info;
067653c5
AM
5051 local_got_refcounts = ((bfd_signed_vma *)
5052 bfd_zalloc (abfd, size));
5053 if (local_got_refcounts == NULL)
b34976b6 5054 return FALSE;
067653c5 5055 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
5056#ifdef INCLUDE_SHMEDIA
5057 /* Take care of both the datalabel and codelabel local
5058 GOT offsets. */
5059 sh_elf_local_got_tls_type (abfd)
5060 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
5061#else
5062 sh_elf_local_got_tls_type (abfd)
5063 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
5064#endif
37c644f2 5065 }
396a6083
SC
5066#ifdef INCLUDE_SHMEDIA
5067 if (rel->r_addend & 1)
5068 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
5069 else
5070#endif
5071 local_got_refcounts[r_symndx] += 1;
3376eaf5
KK
5072 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
5073 }
5074
5075 /* If a TLS symbol is accessed using IE at least once,
5076 there is no point to use dynamic model for it. */
5077 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
5078 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
5079 {
5080 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
5081 tls_type = GOT_TLS_IE;
5082 else
5083 {
5084 (*_bfd_error_handler)
d003868e
AM
5085 (_("%B: `%s' accessed both as normal and thread local symbol"),
5086 abfd, h->root.root.string);
b34976b6 5087 return FALSE;
3376eaf5
KK
5088 }
5089 }
5090
5091 if (old_tls_type != tls_type)
5092 {
5093 if (h != NULL)
5094 sh_elf_hash_entry (h)->tls_type = tls_type;
5095 else
5096 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
37c644f2 5097 }
3376eaf5
KK
5098
5099 break;
5100
5101 case R_SH_TLS_LD_32:
5102 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
5103 break;
5104
fbca6ad9
AO
5105 case R_SH_GOTPLT32:
5106#ifdef INCLUDE_SHMEDIA
5107 case R_SH_GOTPLT_LOW16:
5108 case R_SH_GOTPLT_MEDLOW16:
5109 case R_SH_GOTPLT_MEDHI16:
5110 case R_SH_GOTPLT_HI16:
5111 case R_SH_GOTPLT10BY4:
5112 case R_SH_GOTPLT10BY8:
5113#endif
5114 /* If this is a local symbol, we resolve it directly without
5115 creating a procedure linkage table entry. */
5116
5117 if (h == NULL
f5385ebf 5118 || h->forced_local
fbca6ad9
AO
5119 || ! info->shared
5120 || info->symbolic
067653c5 5121 || h->dynindx == -1)
fbca6ad9
AO
5122 goto force_got;
5123
f5385ebf 5124 h->needs_plt = 1;
067653c5 5125 h->plt.refcount += 1;
4989d792 5126 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
5127
5128 break;
5129
37c644f2 5130 case R_SH_PLT32:
fbca6ad9
AO
5131#ifdef INCLUDE_SHMEDIA
5132 case R_SH_PLT_LOW16:
5133 case R_SH_PLT_MEDLOW16:
5134 case R_SH_PLT_MEDHI16:
5135 case R_SH_PLT_HI16:
5136#endif
37c644f2
AO
5137 /* This symbol requires a procedure linkage table entry. We
5138 actually build the entry in adjust_dynamic_symbol,
5139 because this might be a case of linking PIC code which is
5140 never referenced by a dynamic object, in which case we
5141 don't need to generate a procedure linkage table entry
5142 after all. */
5143
5144 /* If this is a local symbol, we resolve it directly without
5145 creating a procedure linkage table entry. */
5146 if (h == NULL)
5147 continue;
5148
f5385ebf 5149 if (h->forced_local)
37c644f2
AO
5150 break;
5151
f5385ebf 5152 h->needs_plt = 1;
067653c5 5153 h->plt.refcount += 1;
37c644f2
AO
5154 break;
5155
5156 case R_SH_DIR32:
5157 case R_SH_REL32:
46e993b9
KK
5158#ifdef INCLUDE_SHMEDIA
5159 case R_SH_IMM_LOW16_PCREL:
5160 case R_SH_IMM_MEDLOW16_PCREL:
5161 case R_SH_IMM_MEDHI16_PCREL:
5162 case R_SH_IMM_HI16_PCREL:
5163#endif
067653c5
AM
5164 if (h != NULL && ! info->shared)
5165 {
f5385ebf 5166 h->non_got_ref = 1;
067653c5
AM
5167 h->plt.refcount += 1;
5168 }
37c644f2
AO
5169
5170 /* If we are creating a shared library, and this is a reloc
5171 against a global symbol, or a non PC relative reloc
5172 against a local symbol, then we need to copy the reloc
5173 into the shared library. However, if we are linking with
5174 -Bsymbolic, we do not need to copy a reloc against a
5175 global symbol which is defined in an object we are
5176 including in the link (i.e., DEF_REGULAR is set). At
5177 this point we have not seen all the input files, so it is
5178 possible that DEF_REGULAR is not set now but will be set
5179 later (it is never cleared). We account for that
5180 possibility below by storing information in the
067653c5
AM
5181 dyn_relocs field of the hash table entry. A similar
5182 situation occurs when creating shared libraries and symbol
5183 visibility changes render the symbol local.
5184
5185 If on the other hand, we are creating an executable, we
5186 may need to keep relocations for symbols satisfied by a
5187 dynamic library if we manage to avoid copy relocs for the
5188 symbol. */
5189 if ((info->shared
5190 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 5191 && (r_type != R_SH_REL32
067653c5
AM
5192 || (h != NULL
5193 && (! info->symbolic
5194 || h->root.type == bfd_link_hash_defweak
f5385ebf 5195 || !h->def_regular))))
067653c5
AM
5196 || (! info->shared
5197 && (sec->flags & SEC_ALLOC) != 0
5198 && h != NULL
5199 && (h->root.type == bfd_link_hash_defweak
f5385ebf 5200 || !h->def_regular)))
37c644f2 5201 {
067653c5
AM
5202 struct elf_sh_dyn_relocs *p;
5203 struct elf_sh_dyn_relocs **head;
5204
2293c499
AM
5205 if (htab->root.dynobj == NULL)
5206 htab->root.dynobj = abfd;
067653c5 5207
37c644f2
AO
5208 /* When creating a shared object, we must copy these
5209 reloc types into the output file. We create a reloc
5210 section in dynobj and make room for this reloc. */
5211 if (sreloc == NULL)
5212 {
83bac4b0
NC
5213 sreloc = _bfd_elf_make_dynamic_reloc_section
5214 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 5215
37c644f2 5216 if (sreloc == NULL)
83bac4b0 5217 return FALSE;
37c644f2
AO
5218 }
5219
067653c5
AM
5220 /* If this is a global symbol, we count the number of
5221 relocations we need for this symbol. */
5222 if (h != NULL)
5223 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5224 else
37c644f2 5225 {
87d72d41 5226 /* Track dynamic relocs needed for local syms too. */
067653c5 5227 asection *s;
6edfbbad 5228 void *vpp;
87d72d41 5229 Elf_Internal_Sym *isym;
37c644f2 5230
87d72d41
AM
5231 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
5232 abfd, r_symndx);
5233 if (isym == NULL)
b34976b6 5234 return FALSE;
37c644f2 5235
87d72d41
AM
5236 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
5237 if (s == NULL)
5238 s = sec;
5239
6edfbbad
DJ
5240 vpp = &elf_section_data (s)->local_dynrel;
5241 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 5242 }
37c644f2 5243
067653c5
AM
5244 p = *head;
5245 if (p == NULL || p->sec != sec)
5246 {
5247 bfd_size_type amt = sizeof (*p);
2293c499 5248 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 5249 if (p == NULL)
b34976b6 5250 return FALSE;
067653c5
AM
5251 p->next = *head;
5252 *head = p;
5253 p->sec = sec;
5254 p->count = 0;
5255 p->pc_count = 0;
37c644f2 5256 }
067653c5
AM
5257
5258 p->count += 1;
46e993b9
KK
5259 if (r_type == R_SH_REL32
5260#ifdef INCLUDE_SHMEDIA
5261 || r_type == R_SH_IMM_LOW16_PCREL
5262 || r_type == R_SH_IMM_MEDLOW16_PCREL
5263 || r_type == R_SH_IMM_MEDHI16_PCREL
5264 || r_type == R_SH_IMM_HI16_PCREL
5265#endif
5266 )
067653c5 5267 p->pc_count += 1;
37c644f2
AO
5268 }
5269
5270 break;
3376eaf5
KK
5271
5272 case R_SH_TLS_LE_32:
5273 if (info->shared)
5274 {
d003868e
AM
5275 (*_bfd_error_handler)
5276 (_("%B: TLS local exec code cannot be linked into shared objects"),
5277 abfd);
b34976b6 5278 return FALSE;
3376eaf5
KK
5279 }
5280
267fb3c1 5281 break;
3376eaf5 5282
3376eaf5 5283 case R_SH_TLS_LDO_32:
267fb3c1 5284 /* Nothing to do. */
3376eaf5
KK
5285 break;
5286
5287 default:
5288 break;
435b1e90 5289 }
252b5132 5290 }
435b1e90 5291
b34976b6 5292 return TRUE;
252b5132
RH
5293}
5294
fbca6ad9 5295#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
5296static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5297
b34976b6 5298static bfd_boolean
09fd220b 5299sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 5300{
f6f9408f
JR
5301 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5302
5303 if (flags >= sizeof(sh_ef_bfd_table))
5304 return FALSE;
5305
5306 if (sh_ef_bfd_table[flags] == 0)
5307 return FALSE;
5308
5309 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 5310
b34976b6 5311 return TRUE;
d4845d57 5312}
f6f9408f
JR
5313
5314
5315/* Reverse table lookup for sh_ef_bfd_table[].
5316 Given a bfd MACH value from archures.c
5317 return the equivalent ELF flags from the table.
5318 Return -1 if no match is found. */
5319
5320int
5321sh_elf_get_flags_from_mach (unsigned long mach)
5322{
4195f552 5323 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
f6f9408f
JR
5324
5325 for (; i>0; i--)
5326 if (sh_ef_bfd_table[i] == mach)
5327 return i;
5328
5329 /* shouldn't get here */
5330 BFD_FAIL();
5331
5332 return -1;
5333}
fbca6ad9 5334#endif /* not sh_elf_set_mach_from_flags */
d4845d57 5335
fbca6ad9 5336#ifndef sh_elf_set_private_flags
435b1e90
KH
5337/* Function to keep SH specific file flags. */
5338
b34976b6 5339static bfd_boolean
09fd220b 5340sh_elf_set_private_flags (bfd *abfd, flagword flags)
d4845d57
JR
5341{
5342 BFD_ASSERT (! elf_flags_init (abfd)
5343 || elf_elfheader (abfd)->e_flags == flags);
5344
5345 elf_elfheader (abfd)->e_flags = flags;
b34976b6 5346 elf_flags_init (abfd) = TRUE;
d4845d57
JR
5347 return sh_elf_set_mach_from_flags (abfd);
5348}
fbca6ad9 5349#endif /* not sh_elf_set_private_flags */
d4845d57 5350
fbca6ad9 5351#ifndef sh_elf_copy_private_data
d4845d57 5352/* Copy backend specific data from one object module to another */
435b1e90 5353
b34976b6 5354static bfd_boolean
09fd220b 5355sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 5356{
104d59d1
JM
5357 /* Copy object attributes. */
5358 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5359
0ffa91dd
NC
5360 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5361 return TRUE;
5362
d4845d57
JR
5363 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
5364}
fbca6ad9 5365#endif /* not sh_elf_copy_private_data */
d4845d57 5366
fbca6ad9 5367#ifndef sh_elf_merge_private_data
d4845d57 5368
f6f9408f
JR
5369/* This function returns the ELF architecture number that
5370 corresponds to the given arch_sh* flags. */
85fbca6a 5371
f6f9408f
JR
5372int
5373sh_find_elf_flags (unsigned int arch_set)
d4845d57 5374{
85fbca6a 5375 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 5376 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 5377
f6f9408f
JR
5378 return sh_elf_get_flags_from_mach (bfd_mach);
5379}
f6f9408f
JR
5380
5381/* This routine initialises the elf flags when required and
5382 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 5383
f6f9408f
JR
5384static bfd_boolean
5385sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
5386{
85fbca6a
NC
5387 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
5388
0ffa91dd 5389 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 5390 return TRUE;
d4845d57
JR
5391
5392 if (! elf_flags_init (obfd))
5393 {
a39b79b9 5394 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 5395 elf_flags_init (obfd) = TRUE;
a39b79b9 5396 elf_elfheader (obfd)->e_flags = EF_SH1;
f6f9408f 5397 sh_elf_set_mach_from_flags (obfd);
d4845d57 5398 }
d4845d57 5399
85fbca6a 5400 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 5401 {
d003868e 5402 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 5403 "with instructions used in previous modules",
d003868e 5404 ibfd);
1d70c7fb
AO
5405 bfd_set_error (bfd_error_bad_value);
5406 return FALSE;
5407 }
f6f9408f
JR
5408
5409 elf_elfheader (obfd)->e_flags =
5410 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
5411
5412 return TRUE;
d4845d57 5413}
fbca6ad9 5414#endif /* not sh_elf_merge_private_data */
d4845d57 5415
3376eaf5
KK
5416/* Override the generic function because we need to store sh_elf_obj_tdata
5417 as the specific tdata. We set also the machine architecture from flags
5418 here. */
5419
b34976b6 5420static bfd_boolean
09fd220b 5421sh_elf_object_p (bfd *abfd)
3376eaf5 5422{
66becf32 5423 return sh_elf_set_mach_from_flags (abfd);
3376eaf5
KK
5424}
5425
37c644f2
AO
5426/* Finish up dynamic symbol handling. We set the contents of various
5427 dynamic sections here. */
5428
b34976b6 5429static bfd_boolean
09fd220b
KK
5430sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
5431 struct elf_link_hash_entry *h,
5432 Elf_Internal_Sym *sym)
37c644f2 5433{
067653c5 5434 struct elf_sh_link_hash_table *htab;
37c644f2 5435
067653c5 5436 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
5437 if (htab == NULL)
5438 return FALSE;
37c644f2
AO
5439
5440 if (h->plt.offset != (bfd_vma) -1)
5441 {
5442 asection *splt;
5443 asection *sgot;
5444 asection *srel;
5445
5446 bfd_vma plt_index;
5447 bfd_vma got_offset;
5448 Elf_Internal_Rela rel;
947216bf 5449 bfd_byte *loc;
37c644f2
AO
5450
5451 /* This symbol has an entry in the procedure linkage table. Set
5452 it up. */
5453
5454 BFD_ASSERT (h->dynindx != -1);
5455
067653c5
AM
5456 splt = htab->splt;
5457 sgot = htab->sgotplt;
5458 srel = htab->srelplt;
37c644f2
AO
5459 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5460
5461 /* Get the index in the procedure linkage table which
5462 corresponds to this symbol. This is the index of this symbol
5463 in all the symbols for which we are making plt entries. The
5464 first entry in the procedure linkage table is reserved. */
55e6e397 5465 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2
AO
5466
5467 /* Get the offset into the .got table of the entry that
5468 corresponds to this function. Each .got entry is 4 bytes.
5469 The first three are reserved. */
5470 got_offset = (plt_index + 3) * 4;
5471
fbca6ad9 5472#ifdef GOT_BIAS
c8614e8e
AM
5473 if (info->shared)
5474 got_offset -= GOT_BIAS;
fbca6ad9
AO
5475#endif
5476
37c644f2 5477 /* Fill in the entry in the procedure linkage table. */
55e6e397
RS
5478 memcpy (splt->contents + h->plt.offset,
5479 htab->plt_info->symbol_entry,
5480 htab->plt_info->symbol_entry_size);
5481
5482 if (info->shared)
5483 install_plt_field (output_bfd, FALSE, got_offset,
5484 (splt->contents
5485 + h->plt.offset
5486 + htab->plt_info->symbol_fields.got_entry));
5487 else
37c644f2 5488 {
55e6e397 5489 install_plt_field (output_bfd, FALSE,
fbca6ad9
AO
5490 (sgot->output_section->vma
5491 + sgot->output_offset
5492 + got_offset),
55e6e397
RS
5493 (splt->contents
5494 + h->plt.offset
5495 + htab->plt_info->symbol_fields.got_entry));
5496 if (htab->vxworks_p)
37c644f2 5497 {
55e6e397
RS
5498 unsigned int reachable_plts, plts_per_4k;
5499 int distance;
5500
5501 /* Divide the PLT into groups. The first group contains
5502 REACHABLE_PLTS entries and the other groups contain
5503 PLTS_PER_4K entries. Entries in the first group can
5504 branch directly to .plt; those in later groups branch
5505 to the last element of the previous group. */
5506 /* ??? It would be better to create multiple copies of
5507 the common resolver stub. */
5508 reachable_plts = ((4096
5509 - htab->plt_info->plt0_entry_size
5510 - (htab->plt_info->symbol_fields.plt + 4))
5511 / htab->plt_info->symbol_entry_size) + 1;
5512 plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
5513 if (plt_index < reachable_plts)
5514 distance = -(h->plt.offset
5515 + htab->plt_info->symbol_fields.plt);
5516 else
5517 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
5518 * htab->plt_info->symbol_entry_size);
5519
5520 /* Install the 'bra' with this offset. */
5521 bfd_put_16 (output_bfd,
5522 0xa000 | (0x0fff & ((distance - 4) / 2)),
5523 (splt->contents
5524 + h->plt.offset
5525 + htab->plt_info->symbol_fields.plt));
37c644f2 5526 }
55e6e397
RS
5527 else
5528 install_plt_field (output_bfd, TRUE,
5529 splt->output_section->vma + splt->output_offset,
5530 (splt->contents
5531 + h->plt.offset
5532 + htab->plt_info->symbol_fields.plt));
37c644f2
AO
5533 }
5534
fbca6ad9 5535#ifdef GOT_BIAS
c8614e8e
AM
5536 if (info->shared)
5537 got_offset += GOT_BIAS;
fbca6ad9
AO
5538#endif
5539
55e6e397 5540 install_plt_field (output_bfd, FALSE,
fbca6ad9 5541 plt_index * sizeof (Elf32_External_Rela),
55e6e397
RS
5542 (splt->contents
5543 + h->plt.offset
5544 + htab->plt_info->symbol_fields.reloc_offset));
37c644f2
AO
5545
5546 /* Fill in the entry in the global offset table. */
5547 bfd_put_32 (output_bfd,
5548 (splt->output_section->vma
5549 + splt->output_offset
5550 + h->plt.offset
55e6e397 5551 + htab->plt_info->symbol_resolve_offset),
37c644f2
AO
5552 sgot->contents + got_offset);
5553
5554 /* Fill in the entry in the .rela.plt section. */
5555 rel.r_offset = (sgot->output_section->vma
5556 + sgot->output_offset
5557 + got_offset);
5558 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
5559 rel.r_addend = 0;
fbca6ad9
AO
5560#ifdef GOT_BIAS
5561 rel.r_addend = GOT_BIAS;
5562#endif
947216bf
AM
5563 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
5564 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 5565
55e6e397
RS
5566 if (htab->vxworks_p && !info->shared)
5567 {
5568 /* Create the .rela.plt.unloaded relocations for this PLT entry.
5569 Begin by pointing LOC to the first such relocation. */
5570 loc = (htab->srelplt2->contents
5571 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
5572
5573 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
5574 for the PLT entry's pointer to the .got.plt entry. */
5575 rel.r_offset = (htab->splt->output_section->vma
5576 + htab->splt->output_offset
5577 + h->plt.offset
5578 + htab->plt_info->symbol_fields.got_entry);
5579 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5580 rel.r_addend = got_offset;
5581 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5582 loc += sizeof (Elf32_External_Rela);
5583
5584 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
5585 the .got.plt entry, which initially points to .plt. */
5586 rel.r_offset = (htab->sgotplt->output_section->vma
5587 + htab->sgotplt->output_offset
5588 + got_offset);
5589 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
5590 rel.r_addend = 0;
5591 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5592 }
5593
f5385ebf 5594 if (!h->def_regular)
37c644f2
AO
5595 {
5596 /* Mark the symbol as undefined, rather than as defined in
5597 the .plt section. Leave the value alone. */
5598 sym->st_shndx = SHN_UNDEF;
5599 }
5600 }
5601
3376eaf5
KK
5602 if (h->got.offset != (bfd_vma) -1
5603 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
5604 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
37c644f2
AO
5605 {
5606 asection *sgot;
5607 asection *srel;
5608 Elf_Internal_Rela rel;
947216bf 5609 bfd_byte *loc;
37c644f2
AO
5610
5611 /* This symbol has an entry in the global offset table. Set it
5612 up. */
5613
067653c5
AM
5614 sgot = htab->sgot;
5615 srel = htab->srelgot;
37c644f2
AO
5616 BFD_ASSERT (sgot != NULL && srel != NULL);
5617
5618 rel.r_offset = (sgot->output_section->vma
5619 + sgot->output_offset
dc810e39 5620 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 5621
067653c5
AM
5622 /* If this is a static link, or it is a -Bsymbolic link and the
5623 symbol is defined locally or was forced to be local because
5624 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
5625 The entry in the global offset table will already have been
5626 initialized in the relocate_section function. */
5627 if (info->shared
3d85aebe 5628 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2
AO
5629 {
5630 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5631 rel.r_addend = (h->root.u.def.value
5632 + h->root.u.def.section->output_section->vma
5633 + h->root.u.def.section->output_offset);
5634 }
5635 else
5636 {
5637 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5638 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5639 rel.r_addend = 0;
5640 }
5641
947216bf
AM
5642 loc = srel->contents;
5643 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5644 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5645 }
5646
396a6083
SC
5647#ifdef INCLUDE_SHMEDIA
5648 {
5649 struct elf_sh_link_hash_entry *eh;
5650
5651 eh = (struct elf_sh_link_hash_entry *) h;
5652 if (eh->datalabel_got.offset != (bfd_vma) -1)
5653 {
5654 asection *sgot;
5655 asection *srel;
5656 Elf_Internal_Rela rel;
947216bf 5657 bfd_byte *loc;
396a6083
SC
5658
5659 /* This symbol has a datalabel entry in the global offset table.
5660 Set it up. */
5661
5662 sgot = htab->sgot;
5663 srel = htab->srelgot;
5664 BFD_ASSERT (sgot != NULL && srel != NULL);
5665
5666 rel.r_offset = (sgot->output_section->vma
5667 + sgot->output_offset
5668 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
5669
5670 /* If this is a static link, or it is a -Bsymbolic link and the
5671 symbol is defined locally or was forced to be local because
5672 of a version file, we just want to emit a RELATIVE reloc.
5673 The entry in the global offset table will already have been
5674 initialized in the relocate_section function. */
5675 if (info->shared
3d85aebe 5676 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083
SC
5677 {
5678 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5679 rel.r_addend = (h->root.u.def.value
5680 + h->root.u.def.section->output_section->vma
5681 + h->root.u.def.section->output_offset);
5682 }
5683 else
5684 {
5685 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
5686 + eh->datalabel_got.offset);
5687 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5688 rel.r_addend = 0;
5689 }
5690
947216bf
AM
5691 loc = srel->contents;
5692 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5693 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
5694 }
5695 }
5696#endif
5697
f5385ebf 5698 if (h->needs_copy)
37c644f2
AO
5699 {
5700 asection *s;
5701 Elf_Internal_Rela rel;
947216bf 5702 bfd_byte *loc;
37c644f2
AO
5703
5704 /* This symbol needs a copy reloc. Set it up. */
5705
5706 BFD_ASSERT (h->dynindx != -1
5707 && (h->root.type == bfd_link_hash_defined
5708 || h->root.type == bfd_link_hash_defweak));
5709
5710 s = bfd_get_section_by_name (h->root.u.def.section->owner,
5711 ".rela.bss");
5712 BFD_ASSERT (s != NULL);
5713
5714 rel.r_offset = (h->root.u.def.value
5715 + h->root.u.def.section->output_section->vma
5716 + h->root.u.def.section->output_offset);
5717 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
5718 rel.r_addend = 0;
947216bf
AM
5719 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
5720 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5721 }
5722
55e6e397
RS
5723 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
5724 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
5725 ".got" section. */
37c644f2 5726 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
55e6e397 5727 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
5728 sym->st_shndx = SHN_ABS;
5729
b34976b6 5730 return TRUE;
37c644f2
AO
5731}
5732
5733/* Finish up the dynamic sections. */
5734
b34976b6 5735static bfd_boolean
09fd220b 5736sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 5737{
067653c5 5738 struct elf_sh_link_hash_table *htab;
37c644f2
AO
5739 asection *sgot;
5740 asection *sdyn;
5741
067653c5 5742 htab = sh_elf_hash_table (info);
4dfe6ac6
NC
5743 if (htab == NULL)
5744 return FALSE;
5745
067653c5 5746 sgot = htab->sgotplt;
2293c499 5747 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
37c644f2 5748
067653c5 5749 if (htab->root.dynamic_sections_created)
37c644f2
AO
5750 {
5751 asection *splt;
5752 Elf32_External_Dyn *dyncon, *dynconend;
5753
067653c5 5754 BFD_ASSERT (sgot != NULL && sdyn != NULL);
37c644f2
AO
5755
5756 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 5757 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
5758 for (; dyncon < dynconend; dyncon++)
5759 {
5760 Elf_Internal_Dyn dyn;
37c644f2 5761 asection *s;
067653c5
AM
5762#ifdef INCLUDE_SHMEDIA
5763 const char *name;
5764#endif
37c644f2 5765
2293c499 5766 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
5767
5768 switch (dyn.d_tag)
5769 {
5770 default:
7a2b07ff
NS
5771 if (htab->vxworks_p
5772 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
5773 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
5774 break;
5775
3b587c71
AM
5776#ifdef INCLUDE_SHMEDIA
5777 case DT_INIT:
5778 name = info->init_function;
5779 goto get_sym;
5780
5781 case DT_FINI:
5782 name = info->fini_function;
5783 get_sym:
5784 if (dyn.d_un.d_val != 0)
5785 {
067653c5
AM
5786 struct elf_link_hash_entry *h;
5787
5788 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 5789 FALSE, FALSE, TRUE);
3b587c71
AM
5790 if (h != NULL && (h->other & STO_SH5_ISA32))
5791 {
5792 dyn.d_un.d_val |= 1;
5793 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5794 }
5795 }
5796 break;
5797#endif
5798
37c644f2 5799 case DT_PLTGOT:
067653c5 5800 s = htab->sgot->output_section;
37c644f2
AO
5801 goto get_vma;
5802
5803 case DT_JMPREL:
067653c5 5804 s = htab->srelplt->output_section;
37c644f2 5805 get_vma:
37c644f2
AO
5806 BFD_ASSERT (s != NULL);
5807 dyn.d_un.d_ptr = s->vma;
5808 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5809 break;
5810
5811 case DT_PLTRELSZ:
067653c5 5812 s = htab->srelplt->output_section;
37c644f2 5813 BFD_ASSERT (s != NULL);
eea6121a 5814 dyn.d_un.d_val = s->size;
37c644f2
AO
5815 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5816 break;
5817
5818 case DT_RELASZ:
5819 /* My reading of the SVR4 ABI indicates that the
5820 procedure linkage table relocs (DT_JMPREL) should be
5821 included in the overall relocs (DT_RELA). This is
5822 what Solaris does. However, UnixWare can not handle
5823 that case. Therefore, we override the DT_RELASZ entry
5824 here to make it not include the JMPREL relocs. Since
5825 the linker script arranges for .rela.plt to follow all
5826 other relocation sections, we don't have to worry
5827 about changing the DT_RELA entry. */
067653c5 5828 if (htab->srelplt != NULL)
37c644f2 5829 {
067653c5 5830 s = htab->srelplt->output_section;
eea6121a 5831 dyn.d_un.d_val -= s->size;
37c644f2
AO
5832 }
5833 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5834 break;
5835 }
5836 }
5837
5838 /* Fill in the first entry in the procedure linkage table. */
067653c5 5839 splt = htab->splt;
55e6e397 5840 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 5841 {
55e6e397
RS
5842 unsigned int i;
5843
5844 memcpy (splt->contents,
5845 htab->plt_info->plt0_entry,
5846 htab->plt_info->plt0_entry_size);
5847 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
5848 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
5849 install_plt_field (output_bfd, FALSE,
5850 (sgot->output_section->vma
5851 + sgot->output_offset
5852 + (i * 4)),
5853 (splt->contents
5854 + htab->plt_info->plt0_got_fields[i]));
5855
5856 if (htab->vxworks_p)
37c644f2 5857 {
55e6e397
RS
5858 /* Finalize the .rela.plt.unloaded contents. */
5859 Elf_Internal_Rela rel;
5860 bfd_byte *loc;
5861
5862 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
5863 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
5864 loc = htab->srelplt2->contents;
5865 rel.r_offset = (splt->output_section->vma
5866 + splt->output_offset
5867 + htab->plt_info->plt0_got_fields[2]);
5868 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5869 rel.r_addend = 8;
5870 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5871 loc += sizeof (Elf32_External_Rela);
5872
5873 /* Fix up the remaining .rela.plt.unloaded relocations.
5874 They may have the wrong symbol index for _G_O_T_ or
5875 _P_L_T_ depending on the order in which symbols were
5876 output. */
5877 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 5878 {
55e6e397
RS
5879 /* The PLT entry's pointer to the .got.plt slot. */
5880 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5881 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
5882 R_SH_DIR32);
5883 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5884 loc += sizeof (Elf32_External_Rela);
5885
5886 /* The .got.plt slot's pointer to .plt. */
5887 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5888 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
5889 R_SH_DIR32);
5890 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5891 loc += sizeof (Elf32_External_Rela);
37c644f2 5892 }
37c644f2
AO
5893 }
5894
5895 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5896 really seem like the right value. */
5897 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
5898 }
5899 }
5900
5901 /* Fill in the first three entries in the global offset table. */
eea6121a 5902 if (sgot && sgot->size > 0)
37c644f2
AO
5903 {
5904 if (sdyn == NULL)
5905 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5906 else
5907 bfd_put_32 (output_bfd,
5908 sdyn->output_section->vma + sdyn->output_offset,
5909 sgot->contents);
5910 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5911 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
37c644f2 5912
067653c5
AM
5913 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5914 }
37c644f2 5915
b34976b6 5916 return TRUE;
37c644f2
AO
5917}
5918
99e4ae17 5919static enum elf_reloc_type_class
09fd220b 5920sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
99e4ae17 5921{
f51e552e 5922 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
5923 {
5924 case R_SH_RELATIVE:
5925 return reloc_class_relative;
5926 case R_SH_JMP_SLOT:
5927 return reloc_class_plt;
5928 case R_SH_COPY:
5929 return reloc_class_copy;
5930 default:
5931 return reloc_class_normal;
5932 }
5933}
5934
85fbca6a 5935#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 5936/* Support for Linux core dump NOTE sections. */
85fbca6a 5937
b34976b6 5938static bfd_boolean
09fd220b 5939elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5940{
5941 int offset;
eea6121a 5942 unsigned int size;
2bc3c89a
AM
5943
5944 switch (note->descsz)
5945 {
5946 default:
b34976b6 5947 return FALSE;
2bc3c89a
AM
5948
5949 case 168: /* Linux/SH */
5950 /* pr_cursig */
5951 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5952
5953 /* pr_pid */
5954 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5955
5956 /* pr_reg */
5957 offset = 72;
eea6121a 5958 size = 92;
2bc3c89a
AM
5959
5960 break;
5961 }
5962
5963 /* Make a ".reg/999" section. */
5964 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 5965 size, note->descpos + offset);
2bc3c89a
AM
5966}
5967
b34976b6 5968static bfd_boolean
09fd220b 5969elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5970{
5971 switch (note->descsz)
5972 {
5973 default:
b34976b6 5974 return FALSE;
2bc3c89a
AM
5975
5976 case 124: /* Linux/SH elf_prpsinfo */
5977 elf_tdata (abfd)->core_program
5978 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
5979 elf_tdata (abfd)->core_command
5980 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
5981 }
5982
5983 /* Note that for some reason, a spurious space is tacked
5984 onto the end of the args in some (at least one anyway)
5985 implementations, so strip it off if it exists. */
5986
5987 {
5988 char *command = elf_tdata (abfd)->core_command;
5989 int n = strlen (command);
5990
5991 if (0 < n && command[n - 1] == ' ')
5992 command[n - 1] = '\0';
5993 }
5994
b34976b6 5995 return TRUE;
2bc3c89a 5996}
85fbca6a 5997#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 5998
1f1799d5
KK
5999
6000/* Return address for Ith PLT stub in section PLT, for relocation REL
6001 or (bfd_vma) -1 if it should not be included. */
6002
6003static bfd_vma
6004sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
6005 const arelent *rel ATTRIBUTE_UNUSED)
6006{
55e6e397
RS
6007 const struct elf_sh_plt_info *plt_info;
6008
6009 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
6010 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
6011}
6012
85fbca6a 6013#if !defined SH_TARGET_ALREADY_DEFINED
252b5132
RH
6014#define TARGET_BIG_SYM bfd_elf32_sh_vec
6015#define TARGET_BIG_NAME "elf32-sh"
6016#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
6017#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
6018#endif
6019
252b5132
RH
6020#define ELF_ARCH bfd_arch_sh
6021#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
6022#ifdef __QNXTARGET__
6023#define ELF_MAXPAGESIZE 0x1000
6024#else
6025#define ELF_MAXPAGESIZE 0x80
6026#endif
252b5132
RH
6027
6028#define elf_symbol_leading_char '_'
6029
6030#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
6031#define bfd_elf32_bfd_reloc_name_lookup \
6032 sh_elf_reloc_name_lookup
252b5132
RH
6033#define elf_info_to_howto sh_elf_info_to_howto
6034#define bfd_elf32_bfd_relax_section sh_elf_relax_section
6035#define elf_backend_relocate_section sh_elf_relocate_section
6036#define bfd_elf32_bfd_get_relocated_section_contents \
6037 sh_elf_get_relocated_section_contents
3376eaf5
KK
6038#define bfd_elf32_mkobject sh_elf_mkobject
6039#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
6040#define bfd_elf32_bfd_set_private_bfd_flags \
6041 sh_elf_set_private_flags
6042#define bfd_elf32_bfd_copy_private_bfd_data \
6043 sh_elf_copy_private_data
875f7f69 6044#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 6045 sh_elf_merge_private_data
252b5132 6046
067653c5
AM
6047#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
6048#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
6049#define elf_backend_check_relocs sh_elf_check_relocs
6050#define elf_backend_copy_indirect_symbol \
6051 sh_elf_copy_indirect_symbol
37c644f2
AO
6052#define elf_backend_create_dynamic_sections \
6053 sh_elf_create_dynamic_sections
6054#define bfd_elf32_bfd_link_hash_table_create \
6055 sh_elf_link_hash_table_create
6056#define elf_backend_adjust_dynamic_symbol \
6057 sh_elf_adjust_dynamic_symbol
55e6e397
RS
6058#define elf_backend_always_size_sections \
6059 sh_elf_always_size_sections
37c644f2
AO
6060#define elf_backend_size_dynamic_sections \
6061 sh_elf_size_dynamic_sections
74541ad4
AM
6062#define elf_backend_omit_section_dynsym \
6063 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
37c644f2
AO
6064#define elf_backend_finish_dynamic_symbol \
6065 sh_elf_finish_dynamic_symbol
6066#define elf_backend_finish_dynamic_sections \
6067 sh_elf_finish_dynamic_sections
99e4ae17 6068#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 6069#define elf_backend_plt_sym_val sh_elf_plt_sym_val
37c644f2 6070
067653c5
AM
6071#define elf_backend_can_gc_sections 1
6072#define elf_backend_can_refcount 1
37c644f2
AO
6073#define elf_backend_want_got_plt 1
6074#define elf_backend_plt_readonly 1
6075#define elf_backend_want_plt_sym 0
6076#define elf_backend_got_header_size 12
ed71e111 6077
85fbca6a 6078#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 6079
252b5132 6080#include "elf32-target.h"
ed71e111 6081
2bc3c89a
AM
6082/* NetBSD support. */
6083#undef TARGET_BIG_SYM
6084#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
6085#undef TARGET_BIG_NAME
6086#define TARGET_BIG_NAME "elf32-sh-nbsd"
6087#undef TARGET_LITTLE_SYM
6088#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
6089#undef TARGET_LITTLE_NAME
6090#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6091#undef ELF_MAXPAGESIZE
6092#define ELF_MAXPAGESIZE 0x10000
24718e3b 6093#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
6094#undef elf_symbol_leading_char
6095#define elf_symbol_leading_char 0
571fe01f 6096#undef elf32_bed
2bc3c89a
AM
6097#define elf32_bed elf32_sh_nbsd_bed
6098
6099#include "elf32-target.h"
6100
2bc3c89a
AM
6101
6102/* Linux support. */
6103#undef TARGET_BIG_SYM
6104#define TARGET_BIG_SYM bfd_elf32_shblin_vec
6105#undef TARGET_BIG_NAME
6106#define TARGET_BIG_NAME "elf32-shbig-linux"
6107#undef TARGET_LITTLE_SYM
6108#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
6109#undef TARGET_LITTLE_NAME
6110#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
6111#undef ELF_COMMONPAGESIZE
6112#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
6113
6114#undef elf_backend_grok_prstatus
6115#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6116#undef elf_backend_grok_psinfo
6117#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 6118#undef elf32_bed
2bc3c89a
AM
6119#define elf32_bed elf32_sh_lin_bed
6120
6121#include "elf32-target.h"
6122
55e6e397
RS
6123#undef TARGET_BIG_SYM
6124#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
6125#undef TARGET_BIG_NAME
6126#define TARGET_BIG_NAME "elf32-sh-vxworks"
6127#undef TARGET_LITTLE_SYM
6128#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
6129#undef TARGET_LITTLE_NAME
6130#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6131#undef elf32_bed
6132#define elf32_bed elf32_sh_vxworks_bed
6133
6134#undef elf_backend_want_plt_sym
6135#define elf_backend_want_plt_sym 1
6136#undef elf_symbol_leading_char
6137#define elf_symbol_leading_char '_'
6138#define elf_backend_want_got_underscore 1
6139#undef elf_backend_grok_prstatus
6140#undef elf_backend_grok_psinfo
6141#undef elf_backend_add_symbol_hook
6142#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6143#undef elf_backend_link_output_symbol_hook
6144#define elf_backend_link_output_symbol_hook \
6145 elf_vxworks_link_output_symbol_hook
6146#undef elf_backend_emit_relocs
6147#define elf_backend_emit_relocs elf_vxworks_emit_relocs
6148#undef elf_backend_final_write_processing
6149#define elf_backend_final_write_processing \
6150 elf_vxworks_final_write_processing
6151#undef ELF_MAXPAGESIZE
6152#define ELF_MAXPAGESIZE 0x1000
6153#undef ELF_COMMONPAGESIZE
6154
6155#include "elf32-target.h"
6156
85fbca6a 6157#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */