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[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
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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,
aa820537 3 2006, 2007, 2008, 2009 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
2092get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma index)
2093{
2094 return info->plt0_entry_size + (index * info->symbol_entry_size);
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 \
2160 && elf_object_id (bfd) == SH_ELF_TDATA)
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
NC
2168 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
2169 SH_ELF_TDATA);
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) \
2218 ((struct elf_sh_link_hash_table *) ((p)->hash))
2219
2220/* Create an entry in an sh ELF linker hash table. */
2221
2222static struct bfd_hash_entry *
09fd220b
KK
2223sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2224 struct bfd_hash_table *table,
2225 const char *string)
37c644f2
AO
2226{
2227 struct elf_sh_link_hash_entry *ret =
2228 (struct elf_sh_link_hash_entry *) entry;
2229
2230 /* Allocate the structure if it has not already been allocated by a
2231 subclass. */
2232 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2233 ret = ((struct elf_sh_link_hash_entry *)
2234 bfd_hash_allocate (table,
2235 sizeof (struct elf_sh_link_hash_entry)));
2236 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2237 return (struct bfd_hash_entry *) ret;
2238
2239 /* Call the allocation method of the superclass. */
2240 ret = ((struct elf_sh_link_hash_entry *)
2241 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2242 table, string));
2243 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2244 {
396a6083
SC
2245 ret->dyn_relocs = NULL;
2246 ret->gotplt_refcount = 0;
fbca6ad9 2247#ifdef INCLUDE_SHMEDIA
396a6083 2248 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2249#endif
3376eaf5 2250 ret->tls_type = GOT_UNKNOWN;
37c644f2
AO
2251 }
2252
2253 return (struct bfd_hash_entry *) ret;
2254}
2255
2256/* Create an sh ELF linker hash table. */
2257
2258static struct bfd_link_hash_table *
09fd220b 2259sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2260{
2261 struct elf_sh_link_hash_table *ret;
dc810e39 2262 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2263
e2d34d7d 2264 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
37c644f2
AO
2265 if (ret == (struct elf_sh_link_hash_table *) NULL)
2266 return NULL;
2267
66eb6687
AM
2268 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2269 sh_elf_link_hash_newfunc,
2270 sizeof (struct elf_sh_link_hash_entry)))
37c644f2 2271 {
e2d34d7d 2272 free (ret);
37c644f2
AO
2273 return NULL;
2274 }
2275
067653c5
AM
2276 ret->sgot = NULL;
2277 ret->sgotplt = NULL;
2278 ret->srelgot = NULL;
2279 ret->splt = NULL;
2280 ret->srelplt = NULL;
2281 ret->sdynbss = NULL;
2282 ret->srelbss = NULL;
55e6e397 2283 ret->srelplt2 = NULL;
87d72d41 2284 ret->sym_cache.abfd = NULL;
3376eaf5 2285 ret->tls_ldm_got.refcount = 0;
55e6e397
RS
2286 ret->plt_info = NULL;
2287 ret->vxworks_p = vxworks_object_p (abfd);
067653c5 2288
37c644f2
AO
2289 return &ret->root.root;
2290}
2291
067653c5
AM
2292/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2293 shortcuts to them in our hash table. */
2294
b34976b6 2295static bfd_boolean
09fd220b 2296create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2297{
2298 struct elf_sh_link_hash_table *htab;
2299
2300 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2301 return FALSE;
067653c5
AM
2302
2303 htab = sh_elf_hash_table (info);
2304 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
2305 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
64e77c6d
L
2306 htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2307 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
067653c5 2308 abort ();
b34976b6 2309 return TRUE;
067653c5
AM
2310}
2311
37c644f2
AO
2312/* Create dynamic sections when linking against a dynamic object. */
2313
b34976b6 2314static bfd_boolean
09fd220b 2315sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2316{
067653c5 2317 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2318 flagword flags, pltflags;
2319 register asection *s;
9c5bfbb7 2320 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2321 int ptralign = 0;
2322
2323 switch (bed->s->arch_size)
2324 {
2325 case 32:
2326 ptralign = 2;
2327 break;
2328
2329 case 64:
2330 ptralign = 3;
2331 break;
2332
2333 default:
2334 bfd_set_error (bfd_error_bad_value);
b34976b6 2335 return FALSE;
37c644f2
AO
2336 }
2337
067653c5 2338 htab = sh_elf_hash_table (info);
35cad4c4
KK
2339 if (htab->root.dynamic_sections_created)
2340 return TRUE;
067653c5 2341
37c644f2
AO
2342 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2343 .rel[a].bss sections. */
2344
2345 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2346 | SEC_LINKER_CREATED);
2347
2348 pltflags = flags;
2349 pltflags |= SEC_CODE;
2350 if (bed->plt_not_loaded)
2351 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2352 if (bed->plt_readonly)
2353 pltflags |= SEC_READONLY;
2354
3496cb2a 2355 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2356 htab->splt = s;
2357 if (s == NULL
35cad4c4
KK
2358 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2359 return FALSE;
37c644f2
AO
2360
2361 if (bed->want_plt_sym)
2362 {
2363 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2364 .plt section. */
14a793b2
AM
2365 struct elf_link_hash_entry *h;
2366 struct bfd_link_hash_entry *bh = NULL;
2367
37c644f2
AO
2368 if (! (_bfd_generic_link_add_one_symbol
2369 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2370 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2371 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2372 return FALSE;
14a793b2
AM
2373
2374 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2375 h->def_regular = 1;
37c644f2 2376 h->type = STT_OBJECT;
7325306f 2377 htab->root.hplt = h;
37c644f2
AO
2378
2379 if (info->shared
c152c796 2380 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2381 return FALSE;
37c644f2
AO
2382 }
2383
3496cb2a
L
2384 s = bfd_make_section_with_flags (abfd,
2385 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
2386 flags | SEC_READONLY);
35cad4c4
KK
2387 htab->srelplt = s;
2388 if (s == NULL
35cad4c4
KK
2389 || ! bfd_set_section_alignment (abfd, s, ptralign))
2390 return FALSE;
37c644f2 2391
2293c499
AM
2392 if (htab->sgot == NULL
2393 && !create_got_section (abfd, info))
b34976b6 2394 return FALSE;
37c644f2
AO
2395
2396 {
2397 const char *secname;
2398 char *relname;
2399 flagword secflags;
2400 asection *sec;
2401
2402 for (sec = abfd->sections; sec; sec = sec->next)
2403 {
2404 secflags = bfd_get_section_flags (abfd, sec);
2405 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
2406 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
2407 continue;
2408 secname = bfd_get_section_name (abfd, sec);
dc810e39 2409 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
37c644f2
AO
2410 strcpy (relname, ".rela");
2411 strcat (relname, secname);
03151a5a
KK
2412 if (bfd_get_section_by_name (abfd, secname))
2413 continue;
3496cb2a
L
2414 s = bfd_make_section_with_flags (abfd, relname,
2415 flags | SEC_READONLY);
37c644f2 2416 if (s == NULL
37c644f2 2417 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2418 return FALSE;
37c644f2
AO
2419 }
2420 }
2421
2422 if (bed->want_dynbss)
2423 {
2424 /* The .dynbss section is a place to put symbols which are defined
2425 by dynamic objects, are referenced by regular objects, and are
2426 not functions. We must allocate space for them in the process
2427 image and use a R_*_COPY reloc to tell the dynamic linker to
2428 initialize them at run time. The linker script puts the .dynbss
2429 section into the .bss section of the final image. */
3496cb2a
L
2430 s = bfd_make_section_with_flags (abfd, ".dynbss",
2431 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2432 htab->sdynbss = s;
3496cb2a 2433 if (s == NULL)
35cad4c4 2434 return FALSE;
37c644f2
AO
2435
2436 /* The .rel[a].bss section holds copy relocs. This section is not
2437 normally needed. We need to create it here, though, so that the
2438 linker will map it to an output section. We can't just create it
2439 only if we need it, because we will not know whether we need it
2440 until we have seen all the input files, and the first time the
2441 main linker code calls BFD after examining all the input files
2442 (size_dynamic_sections) the input sections have already been
2443 mapped to the output sections. If the section turns out not to
2444 be needed, we can discard it later. We will never need this
2445 section when generating a shared object, since they do not use
2446 copy relocs. */
35cad4c4 2447 if (! info->shared)
37c644f2 2448 {
3496cb2a
L
2449 s = bfd_make_section_with_flags (abfd,
2450 (bed->default_use_rela_p
2451 ? ".rela.bss" : ".rel.bss"),
2452 flags | SEC_READONLY);
067653c5 2453 htab->srelbss = s;
37c644f2 2454 if (s == NULL
37c644f2 2455 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2456 return FALSE;
37c644f2
AO
2457 }
2458 }
2459
55e6e397
RS
2460 if (htab->vxworks_p)
2461 {
2462 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2463 return FALSE;
2464 }
2465
b34976b6 2466 return TRUE;
37c644f2
AO
2467}
2468\f
37c644f2
AO
2469/* Adjust a symbol defined by a dynamic object and referenced by a
2470 regular object. The current definition is in some section of the
2471 dynamic object, but we're not including those sections. We have to
2472 change the definition to something the rest of the link can
2473 understand. */
2474
b34976b6 2475static bfd_boolean
09fd220b
KK
2476sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2477 struct elf_link_hash_entry *h)
37c644f2 2478{
067653c5
AM
2479 struct elf_sh_link_hash_table *htab;
2480 struct elf_sh_link_hash_entry *eh;
2481 struct elf_sh_dyn_relocs *p;
37c644f2 2482 asection *s;
37c644f2 2483
2293c499 2484 htab = sh_elf_hash_table (info);
37c644f2
AO
2485
2486 /* Make sure we know what is going on here. */
2293c499 2487 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2488 && (h->needs_plt
f6e332e6 2489 || h->u.weakdef != NULL
f5385ebf
AM
2490 || (h->def_dynamic
2491 && h->ref_regular
2492 && !h->def_regular)));
37c644f2
AO
2493
2494 /* If this is a function, put it in the procedure linkage table. We
2495 will fill in the contents of the procedure linkage table later,
2496 when we know the address of the .got section. */
2497 if (h->type == STT_FUNC
f5385ebf 2498 || h->needs_plt)
37c644f2 2499 {
067653c5 2500 if (h->plt.refcount <= 0
3d85aebe
KK
2501 || SYMBOL_CALLS_LOCAL (info, h)
2502 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2503 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2504 {
2505 /* This case can occur if we saw a PLT reloc in an input
2506 file, but the symbol was never referred to by a dynamic
2507 object. In such a case, we don't actually need to build
2508 a procedure linkage table, and we can just do a REL32
2509 reloc instead. */
067653c5 2510 h->plt.offset = (bfd_vma) -1;
f5385ebf 2511 h->needs_plt = 0;
37c644f2
AO
2512 }
2513
b34976b6 2514 return TRUE;
37c644f2 2515 }
067653c5
AM
2516 else
2517 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2518
2519 /* If this is a weak symbol, and there is a real definition, the
2520 processor independent code will have arranged for us to see the
2521 real definition first, and we can just use the same value. */
f6e332e6 2522 if (h->u.weakdef != NULL)
37c644f2 2523 {
f6e332e6
AM
2524 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2525 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2526 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2527 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2528 if (info->nocopyreloc)
f6e332e6 2529 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2530 return TRUE;
37c644f2
AO
2531 }
2532
2533 /* This is a reference to a symbol defined by a dynamic object which
2534 is not a function. */
2535
2536 /* If we are creating a shared library, we must presume that the
2537 only references to the symbol are via the global offset table.
2538 For such cases we need not do anything here; the relocations will
2539 be handled correctly by relocate_section. */
2540 if (info->shared)
b34976b6 2541 return TRUE;
37c644f2
AO
2542
2543 /* If there are no references to this symbol that do not use the
2544 GOT, we don't need to generate a copy reloc. */
f5385ebf 2545 if (!h->non_got_ref)
b34976b6 2546 return TRUE;
37c644f2 2547
067653c5
AM
2548 /* If -z nocopyreloc was given, we won't generate them either. */
2549 if (info->nocopyreloc)
2550 {
f5385ebf 2551 h->non_got_ref = 0;
b34976b6 2552 return TRUE;
067653c5
AM
2553 }
2554
2555 eh = (struct elf_sh_link_hash_entry *) h;
2556 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2557 {
2558 s = p->sec->output_section;
2559 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2560 break;
2561 }
2562
2563 /* If we didn't find any dynamic relocs in sections which needs the
2564 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2565 the copy reloc. */
2566 if (p == NULL)
2567 {
f5385ebf 2568 h->non_got_ref = 0;
b34976b6 2569 return TRUE;
067653c5
AM
2570 }
2571
909272ee
AM
2572 if (h->size == 0)
2573 {
2574 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2575 h->root.root.string);
2576 return TRUE;
2577 }
2578
37c644f2
AO
2579 /* We must allocate the symbol in our .dynbss section, which will
2580 become part of the .bss section of the executable. There will be
2581 an entry for this symbol in the .dynsym section. The dynamic
2582 object will contain position independent code, so all references
2583 from the dynamic object to this symbol will go through the global
2584 offset table. The dynamic linker will use the .dynsym entry to
2585 determine the address it must put in the global offset table, so
2586 both the dynamic object and the regular object will refer to the
2587 same memory location for the variable. */
2588
067653c5 2589 s = htab->sdynbss;
37c644f2
AO
2590 BFD_ASSERT (s != NULL);
2591
2592 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2593 copy the initial value out of the dynamic object and into the
2594 runtime process image. We need to remember the offset into the
2595 .rela.bss section we are going to use. */
2596 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2597 {
2598 asection *srel;
2599
067653c5 2600 srel = htab->srelbss;
37c644f2 2601 BFD_ASSERT (srel != NULL);
eea6121a 2602 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2603 h->needs_copy = 1;
37c644f2
AO
2604 }
2605
027297b7 2606 return _bfd_elf_adjust_dynamic_copy (h, s);
37c644f2
AO
2607}
2608
067653c5
AM
2609/* Allocate space in .plt, .got and associated reloc sections for
2610 dynamic relocs. */
2611
b34976b6 2612static bfd_boolean
09fd220b 2613allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2614{
2615 struct bfd_link_info *info;
2616 struct elf_sh_link_hash_table *htab;
2617 struct elf_sh_link_hash_entry *eh;
2618 struct elf_sh_dyn_relocs *p;
2619
2620 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2621 return TRUE;
067653c5
AM
2622
2623 if (h->root.type == bfd_link_hash_warning)
2624 /* When warning symbols are created, they **replace** the "real"
2625 entry in the hash table, thus we never get to see the real
2626 symbol in a hash traversal. So look at it now. */
2627 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2628
2629 info = (struct bfd_link_info *) inf;
2630 htab = sh_elf_hash_table (info);
2631
4989d792
SC
2632 eh = (struct elf_sh_link_hash_entry *) h;
2633 if ((h->got.refcount > 0
f5385ebf 2634 || h->forced_local)
4989d792
SC
2635 && eh->gotplt_refcount > 0)
2636 {
2637 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2638 so treat all the gotplt refs as got refs. */
4989d792
SC
2639 h->got.refcount += eh->gotplt_refcount;
2640 if (h->plt.refcount >= eh->gotplt_refcount)
2641 h->plt.refcount -= eh->gotplt_refcount;
2642 }
2643
067653c5 2644 if (htab->root.dynamic_sections_created
04e534c3
KK
2645 && h->plt.refcount > 0
2646 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2647 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2648 {
2649 /* Make sure this symbol is output as a dynamic symbol.
2650 Undefined weak syms won't yet be marked as dynamic. */
2651 if (h->dynindx == -1
f5385ebf 2652 && !h->forced_local)
067653c5 2653 {
c152c796 2654 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2655 return FALSE;
067653c5
AM
2656 }
2657
267fb3c1
KK
2658 if (info->shared
2659 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
2660 {
2661 asection *s = htab->splt;
2662
2663 /* If this is the first .plt entry, make room for the special
2664 first entry. */
eea6121a 2665 if (s->size == 0)
55e6e397 2666 s->size += htab->plt_info->plt0_entry_size;
067653c5 2667
eea6121a 2668 h->plt.offset = s->size;
067653c5
AM
2669
2670 /* If this symbol is not defined in a regular file, and we are
2671 not generating a shared library, then set the symbol to this
2672 location in the .plt. This is required to make function
2673 pointers compare as equal between the normal executable and
2674 the shared library. */
2675 if (! info->shared
f5385ebf 2676 && !h->def_regular)
067653c5
AM
2677 {
2678 h->root.u.def.section = s;
2679 h->root.u.def.value = h->plt.offset;
2680 }
2681
2682 /* Make room for this entry. */
55e6e397 2683 s->size += htab->plt_info->symbol_entry_size;
067653c5
AM
2684
2685 /* We also need to make an entry in the .got.plt section, which
2686 will be placed in the .got section by the linker script. */
eea6121a 2687 htab->sgotplt->size += 4;
067653c5
AM
2688
2689 /* We also need to make an entry in the .rel.plt section. */
eea6121a 2690 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
2691
2692 if (htab->vxworks_p && !info->shared)
2693 {
2694 /* VxWorks executables have a second set of relocations
2695 for each PLT entry. They go in a separate relocation
2696 section, which is processed by the kernel loader. */
2697
2698 /* There is a relocation for the initial PLT entry:
2699 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2700 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2701 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2702
2703 /* There are two extra relocations for each subsequent
2704 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2705 and an R_SH_DIR32 relocation for the PLT entry. */
2706 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2707 }
067653c5
AM
2708 }
2709 else
2710 {
2711 h->plt.offset = (bfd_vma) -1;
f5385ebf 2712 h->needs_plt = 0;
067653c5
AM
2713 }
2714 }
2715 else
2716 {
2717 h->plt.offset = (bfd_vma) -1;
f5385ebf 2718 h->needs_plt = 0;
067653c5
AM
2719 }
2720
2721 if (h->got.refcount > 0)
2722 {
2723 asection *s;
b34976b6 2724 bfd_boolean dyn;
3376eaf5 2725 int tls_type = sh_elf_hash_entry (h)->tls_type;
067653c5
AM
2726
2727 /* Make sure this symbol is output as a dynamic symbol.
2728 Undefined weak syms won't yet be marked as dynamic. */
2729 if (h->dynindx == -1
f5385ebf 2730 && !h->forced_local)
067653c5 2731 {
c152c796 2732 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2733 return FALSE;
067653c5
AM
2734 }
2735
2736 s = htab->sgot;
eea6121a
AM
2737 h->got.offset = s->size;
2738 s->size += 4;
3376eaf5
KK
2739 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
2740 if (tls_type == GOT_TLS_GD)
eea6121a 2741 s->size += 4;
067653c5 2742 dyn = htab->root.dynamic_sections_created;
267fb3c1 2743 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5
KK
2744 R_SH_TLS_GD needs one if local symbol and two if global. */
2745 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
267fb3c1 2746 || (tls_type == GOT_TLS_IE && dyn))
eea6121a 2747 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5 2748 else if (tls_type == GOT_TLS_GD)
eea6121a 2749 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
04e534c3
KK
2750 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2751 || h->root.type != bfd_link_hash_undefweak)
2752 && (info->shared
2753 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 2754 htab->srelgot->size += sizeof (Elf32_External_Rela);
067653c5
AM
2755 }
2756 else
2757 h->got.offset = (bfd_vma) -1;
2758
396a6083
SC
2759#ifdef INCLUDE_SHMEDIA
2760 if (eh->datalabel_got.refcount > 0)
2761 {
2762 asection *s;
b34976b6 2763 bfd_boolean dyn;
396a6083
SC
2764
2765 /* Make sure this symbol is output as a dynamic symbol.
2766 Undefined weak syms won't yet be marked as dynamic. */
2767 if (h->dynindx == -1
f5385ebf 2768 && !h->forced_local)
396a6083 2769 {
c152c796 2770 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2771 return FALSE;
396a6083
SC
2772 }
2773
2774 s = htab->sgot;
eea6121a
AM
2775 eh->datalabel_got.offset = s->size;
2776 s->size += 4;
396a6083 2777 dyn = htab->root.dynamic_sections_created;
267fb3c1 2778 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 2779 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
2780 }
2781 else
2782 eh->datalabel_got.offset = (bfd_vma) -1;
2783#endif
2784
067653c5 2785 if (eh->dyn_relocs == NULL)
b34976b6 2786 return TRUE;
067653c5
AM
2787
2788 /* In the shared -Bsymbolic case, discard space allocated for
2789 dynamic pc-relative relocs against symbols which turn out to be
2790 defined in regular objects. For the normal shared case, discard
2791 space for pc-relative relocs that have become local due to symbol
2792 visibility changes. */
2793
2794 if (info->shared)
2795 {
3d85aebe 2796 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
2797 {
2798 struct elf_sh_dyn_relocs **pp;
2799
2800 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2801 {
2802 p->count -= p->pc_count;
2803 p->pc_count = 0;
2804 if (p->count == 0)
2805 *pp = p->next;
2806 else
2807 pp = &p->next;
2808 }
2809 }
04e534c3 2810
3348747a
NS
2811 if (htab->vxworks_p)
2812 {
2813 struct elf_sh_dyn_relocs **pp;
2814
2815 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2816 {
2817 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2818 *pp = p->next;
2819 else
2820 pp = &p->next;
2821 }
2822 }
2823
04e534c3
KK
2824 /* Also discard relocs on undefined weak syms with non-default
2825 visibility. */
22d606e9 2826 if (eh->dyn_relocs != NULL
04e534c3 2827 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
2828 {
2829 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2830 eh->dyn_relocs = NULL;
2831
2832 /* Make sure undefined weak symbols are output as a dynamic
2833 symbol in PIEs. */
2834 else if (h->dynindx == -1
2835 && !h->forced_local)
2836 {
2837 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2838 return FALSE;
2839 }
2840 }
067653c5
AM
2841 }
2842 else
2843 {
2844 /* For the non-shared case, discard space for relocs against
2845 symbols which turn out to need copy relocs or are not
2846 dynamic. */
2847
f5385ebf
AM
2848 if (!h->non_got_ref
2849 && ((h->def_dynamic
2850 && !h->def_regular)
067653c5
AM
2851 || (htab->root.dynamic_sections_created
2852 && (h->root.type == bfd_link_hash_undefweak
2853 || h->root.type == bfd_link_hash_undefined))))
2854 {
2855 /* Make sure this symbol is output as a dynamic symbol.
2856 Undefined weak syms won't yet be marked as dynamic. */
2857 if (h->dynindx == -1
f5385ebf 2858 && !h->forced_local)
067653c5 2859 {
c152c796 2860 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2861 return FALSE;
067653c5
AM
2862 }
2863
2864 /* If that succeeded, we know we'll be keeping all the
2865 relocs. */
2866 if (h->dynindx != -1)
2867 goto keep;
2868 }
2869
2870 eh->dyn_relocs = NULL;
2871
2872 keep: ;
2873 }
2874
2875 /* Finally, allocate space. */
2876 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2877 {
2878 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 2879 sreloc->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2880 }
2881
b34976b6 2882 return TRUE;
067653c5
AM
2883}
2884
2885/* Find any dynamic relocs that apply to read-only sections. */
2886
b34976b6 2887static bfd_boolean
09fd220b 2888readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2889{
2890 struct elf_sh_link_hash_entry *eh;
2891 struct elf_sh_dyn_relocs *p;
2892
2893 if (h->root.type == bfd_link_hash_warning)
2894 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2895
2896 eh = (struct elf_sh_link_hash_entry *) h;
2897 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2898 {
2899 asection *s = p->sec->output_section;
2900
2901 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2902 {
2903 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2904
2905 info->flags |= DF_TEXTREL;
2906
2907 /* Not an error, just cut short the traversal. */
b34976b6 2908 return FALSE;
067653c5
AM
2909 }
2910 }
b34976b6 2911 return TRUE;
067653c5
AM
2912}
2913
55e6e397
RS
2914/* This function is called after all the input files have been read,
2915 and the input sections have been assigned to output sections.
2916 It's a convenient place to determine the PLT style. */
2917
2918static bfd_boolean
2919sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2920{
2921 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
2922 return TRUE;
2923}
2924
37c644f2
AO
2925/* Set the sizes of the dynamic sections. */
2926
b34976b6 2927static bfd_boolean
09fd220b
KK
2928sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2929 struct bfd_link_info *info)
37c644f2 2930{
067653c5 2931 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2932 bfd *dynobj;
2933 asection *s;
b34976b6 2934 bfd_boolean relocs;
067653c5 2935 bfd *ibfd;
37c644f2 2936
067653c5
AM
2937 htab = sh_elf_hash_table (info);
2938 dynobj = htab->root.dynobj;
37c644f2
AO
2939 BFD_ASSERT (dynobj != NULL);
2940
067653c5 2941 if (htab->root.dynamic_sections_created)
37c644f2
AO
2942 {
2943 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 2944 if (info->executable)
37c644f2
AO
2945 {
2946 s = bfd_get_section_by_name (dynobj, ".interp");
2947 BFD_ASSERT (s != NULL);
eea6121a 2948 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
2949 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2950 }
2951 }
37c644f2 2952
067653c5
AM
2953 /* Set up .got offsets for local syms, and space for local dynamic
2954 relocs. */
2955 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
37c644f2 2956 {
067653c5
AM
2957 bfd_signed_vma *local_got;
2958 bfd_signed_vma *end_local_got;
3376eaf5 2959 char *local_tls_type;
067653c5
AM
2960 bfd_size_type locsymcount;
2961 Elf_Internal_Shdr *symtab_hdr;
2962 asection *srel;
37c644f2 2963
0ffa91dd 2964 if (! is_sh_elf (ibfd))
37c644f2
AO
2965 continue;
2966
067653c5 2967 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 2968 {
067653c5
AM
2969 struct elf_sh_dyn_relocs *p;
2970
2971 for (p = ((struct elf_sh_dyn_relocs *)
2972 elf_section_data (s)->local_dynrel);
2973 p != NULL;
2974 p = p->next)
37c644f2 2975 {
067653c5
AM
2976 if (! bfd_is_abs_section (p->sec)
2977 && bfd_is_abs_section (p->sec->output_section))
2978 {
2979 /* Input section has been discarded, either because
2980 it is a copy of a linkonce section or due to
2981 linker script /DISCARD/, so we'll be discarding
2982 the relocs too. */
2983 }
3348747a
NS
2984 else if (htab->vxworks_p
2985 && strcmp (p->sec->output_section->name,
2986 ".tls_vars") == 0)
2987 {
2988 /* Relocations in vxworks .tls_vars sections are
2989 handled specially by the loader. */
2990 }
067653c5
AM
2991 else if (p->count != 0)
2992 {
2993 srel = elf_section_data (p->sec)->sreloc;
eea6121a 2994 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2995 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2996 info->flags |= DF_TEXTREL;
2997 }
37c644f2
AO
2998 }
2999 }
067653c5
AM
3000
3001 local_got = elf_local_got_refcounts (ibfd);
3002 if (!local_got)
3003 continue;
3004
0ffa91dd 3005 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
3006 locsymcount = symtab_hdr->sh_info;
3007#ifdef INCLUDE_SHMEDIA
3008 /* Count datalabel local GOT. */
3009 locsymcount *= 2;
3010#endif
3011 end_local_got = local_got + locsymcount;
3376eaf5 3012 local_tls_type = sh_elf_local_got_tls_type (ibfd);
067653c5
AM
3013 s = htab->sgot;
3014 srel = htab->srelgot;
3015 for (; local_got < end_local_got; ++local_got)
37c644f2 3016 {
067653c5 3017 if (*local_got > 0)
37c644f2 3018 {
eea6121a
AM
3019 *local_got = s->size;
3020 s->size += 4;
3376eaf5 3021 if (*local_tls_type == GOT_TLS_GD)
eea6121a 3022 s->size += 4;
067653c5 3023 if (info->shared)
eea6121a 3024 srel->size += sizeof (Elf32_External_Rela);
37c644f2
AO
3025 }
3026 else
067653c5 3027 *local_got = (bfd_vma) -1;
3376eaf5 3028 ++local_tls_type;
37c644f2 3029 }
067653c5
AM
3030 }
3031
3376eaf5
KK
3032 if (htab->tls_ldm_got.refcount > 0)
3033 {
3034 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3035 relocs. */
eea6121a
AM
3036 htab->tls_ldm_got.offset = htab->sgot->size;
3037 htab->sgot->size += 8;
3038 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3039 }
3040 else
3041 htab->tls_ldm_got.offset = -1;
3042
067653c5
AM
3043 /* Allocate global sym .plt and .got entries, and space for global
3044 sym dynamic relocs. */
09fd220b 3045 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5
AM
3046
3047 /* We now have determined the sizes of the various dynamic sections.
3048 Allocate memory for them. */
b34976b6 3049 relocs = FALSE;
067653c5
AM
3050 for (s = dynobj->sections; s != NULL; s = s->next)
3051 {
3052 if ((s->flags & SEC_LINKER_CREATED) == 0)
3053 continue;
3054
3055 if (s == htab->splt
3056 || s == htab->sgot
c456f082
AM
3057 || s == htab->sgotplt
3058 || s == htab->sdynbss)
067653c5
AM
3059 {
3060 /* Strip this section if we don't need it; see the
3061 comment below. */
3062 }
0112cd26 3063 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3064 {
55e6e397 3065 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3066 relocs = TRUE;
067653c5
AM
3067
3068 /* We use the reloc_count field as a counter if we need
3069 to copy relocs into the output file. */
3070 s->reloc_count = 0;
3071 }
3072 else
37c644f2
AO
3073 {
3074 /* It's not one of our sections, so don't allocate space. */
3075 continue;
3076 }
3077
eea6121a 3078 if (s->size == 0)
37c644f2 3079 {
067653c5
AM
3080 /* If we don't need this section, strip it from the
3081 output file. This is mostly to handle .rela.bss and
3082 .rela.plt. We must create both sections in
3083 create_dynamic_sections, because they must be created
3084 before the linker maps input sections to output
3085 sections. The linker does that before
3086 adjust_dynamic_symbol is called, and it is that
3087 function which decides whether anything needs to go
3088 into these sections. */
3089
8423293d 3090 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3091 continue;
3092 }
3093
c456f082
AM
3094 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3095 continue;
3096
067653c5
AM
3097 /* Allocate memory for the section contents. We use bfd_zalloc
3098 here in case unused entries are not reclaimed before the
3099 section's contents are written out. This should not happen,
3100 but this way if it does, we get a R_SH_NONE reloc instead
3101 of garbage. */
eea6121a 3102 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3103 if (s->contents == NULL)
b34976b6 3104 return FALSE;
37c644f2
AO
3105 }
3106
067653c5 3107 if (htab->root.dynamic_sections_created)
37c644f2
AO
3108 {
3109 /* Add some entries to the .dynamic section. We fill in the
3110 values later, in sh_elf_finish_dynamic_sections, but we
3111 must add the entries now so that we get the correct size for
3112 the .dynamic section. The DT_DEBUG entry is filled in by the
3113 dynamic linker and used by the debugger. */
dc810e39 3114#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3115 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3116
2558b9a9 3117 if (info->executable)
37c644f2 3118 {
067653c5 3119 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3120 return FALSE;
37c644f2
AO
3121 }
3122
eea6121a 3123 if (htab->splt->size != 0)
37c644f2 3124 {
067653c5
AM
3125 if (! add_dynamic_entry (DT_PLTGOT, 0)
3126 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3127 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3128 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3129 return FALSE;
37c644f2
AO
3130 }
3131
3132 if (relocs)
3133 {
067653c5
AM
3134 if (! add_dynamic_entry (DT_RELA, 0)
3135 || ! add_dynamic_entry (DT_RELASZ, 0)
3136 || ! add_dynamic_entry (DT_RELAENT,
3137 sizeof (Elf32_External_Rela)))
b34976b6 3138 return FALSE;
37c644f2 3139
067653c5
AM
3140 /* If any dynamic relocs apply to a read-only section,
3141 then we need a DT_TEXTREL entry. */
3142 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3143 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3144
3145 if ((info->flags & DF_TEXTREL) != 0)
3146 {
3147 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3148 return FALSE;
067653c5 3149 }
37c644f2 3150 }
7a2b07ff
NS
3151 if (htab->vxworks_p
3152 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3153 return FALSE;
37c644f2 3154 }
dc810e39 3155#undef add_dynamic_entry
37c644f2 3156
b34976b6 3157 return TRUE;
37c644f2 3158}
37c644f2
AO
3159\f
3160/* Relocate an SH ELF section. */
3161
b34976b6 3162static bfd_boolean
09fd220b
KK
3163sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3164 bfd *input_bfd, asection *input_section,
3165 bfd_byte *contents, Elf_Internal_Rela *relocs,
3166 Elf_Internal_Sym *local_syms,
3167 asection **local_sections)
37c644f2 3168{
067653c5 3169 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3170 Elf_Internal_Shdr *symtab_hdr;
3171 struct elf_link_hash_entry **sym_hashes;
3172 Elf_Internal_Rela *rel, *relend;
3173 bfd *dynobj;
3174 bfd_vma *local_got_offsets;
3175 asection *sgot;
fbca6ad9 3176 asection *sgotplt;
37c644f2
AO
3177 asection *splt;
3178 asection *sreloc;
3376eaf5 3179 asection *srelgot;
3348747a 3180 bfd_boolean is_vxworks_tls;
37c644f2 3181
0ffa91dd
NC
3182 BFD_ASSERT (is_sh_elf (input_bfd));
3183
067653c5 3184 htab = sh_elf_hash_table (info);
0ffa91dd 3185 symtab_hdr = &elf_symtab_hdr (input_bfd);
37c644f2 3186 sym_hashes = elf_sym_hashes (input_bfd);
067653c5 3187 dynobj = htab->root.dynobj;
37c644f2
AO
3188 local_got_offsets = elf_local_got_offsets (input_bfd);
3189
067653c5
AM
3190 sgot = htab->sgot;
3191 sgotplt = htab->sgotplt;
3192 splt = htab->splt;
37c644f2 3193 sreloc = NULL;
3376eaf5 3194 srelgot = NULL;
3348747a
NS
3195 /* We have to handle relocations in vxworks .tls_vars sections
3196 specially, because the dynamic loader is 'weird'. */
3197 is_vxworks_tls = (htab->vxworks_p && info->shared
3198 && !strcmp (input_section->output_section->name,
3199 ".tls_vars"));
37c644f2
AO
3200
3201 rel = relocs;
3202 relend = relocs + input_section->reloc_count;
3203 for (; rel < relend; rel++)
3204 {
3205 int r_type;
3206 reloc_howto_type *howto;
3207 unsigned long r_symndx;
3208 Elf_Internal_Sym *sym;
3209 asection *sec;
3210 struct elf_link_hash_entry *h;
3211 bfd_vma relocation;
435b1e90 3212 bfd_vma addend = (bfd_vma) 0;
37c644f2 3213 bfd_reloc_status_type r;
fbca6ad9 3214 int seen_stt_datalabel = 0;
3376eaf5
KK
3215 bfd_vma off;
3216 int tls_type;
37c644f2
AO
3217
3218 r_symndx = ELF32_R_SYM (rel->r_info);
3219
37c644f2
AO
3220 r_type = ELF32_R_TYPE (rel->r_info);
3221
3222 /* Many of the relocs are only used for relaxing, and are
067653c5 3223 handled entirely by the relaxation code. */
d38eb334
DD
3224 if (r_type >= (int) R_SH_GNU_VTINHERIT
3225 && r_type <= (int) R_SH_LABEL)
37c644f2 3226 continue;
c5aeb40f
AO
3227 if (r_type == (int) R_SH_NONE)
3228 continue;
37c644f2
AO
3229
3230 if (r_type < 0
3231 || r_type >= R_SH_max
3232 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3233 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
fbca6ad9
AO
3234 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3235 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3236 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3237 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3238 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3239 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
06bb75c1
AO
3240 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3241 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
37c644f2
AO
3242 {
3243 bfd_set_error (bfd_error_bad_value);
b34976b6 3244 return FALSE;
37c644f2
AO
3245 }
3246
55e6e397 3247 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3248
146be91a 3249 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3250 the relocation. */
146be91a
HPN
3251 if (! howto->partial_inplace)
3252 addend = rel->r_addend;
3253
37c644f2
AO
3254 h = NULL;
3255 sym = NULL;
3256 sec = NULL;
3257 if (r_symndx < symtab_hdr->sh_info)
3258 {
3259 sym = local_syms + r_symndx;
3260 sec = local_sections[r_symndx];
3261 relocation = (sec->output_section->vma
3262 + sec->output_offset
3263 + sym->st_value);
fbca6ad9
AO
3264 /* A local symbol never has STO_SH5_ISA32, so we don't need
3265 datalabel processing here. Make sure this does not change
3266 without notice. */
3267 if ((sym->st_other & STO_SH5_ISA32) != 0)
3268 ((*info->callbacks->reloc_dangerous)
3269 (info,
3270 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3271 input_bfd, input_section, rel->r_offset));
ab96bf03
AM
3272
3273 if (sec != NULL && elf_discarded_section (sec))
3274 /* Handled below. */
3275 ;
3276 else if (info->relocatable)
8a3975e6 3277 {
1049f94e 3278 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3279 anything, unless the reloc is against a section symbol,
3280 in which case we have to adjust according to where the
3281 section symbol winds up in the output section. */
8a3975e6 3282 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3283 {
3284 if (! howto->partial_inplace)
3285 {
3286 /* For relocations with the addend in the
3287 relocation, we need just to update the addend.
3288 All real relocs are of type partial_inplace; this
3289 code is mostly for completeness. */
ab96bf03 3290 rel->r_addend += sec->output_offset;
146be91a
HPN
3291
3292 continue;
3293 }
3294
3295 /* Relocs of type partial_inplace need to pick up the
3296 contents in the contents and add the offset resulting
3297 from the changed location of the section symbol.
3298 Using _bfd_final_link_relocate (e.g. goto
3299 final_link_relocate) here would be wrong, because
3300 relocations marked pc_relative would get the current
3301 location subtracted, and we must only do that at the
3302 final link. */
3303 r = _bfd_relocate_contents (howto, input_bfd,
3304 sec->output_offset
3305 + sym->st_value,
3306 contents + rel->r_offset);
3307 goto relocation_done;
3308 }
8a3975e6
AO
3309
3310 continue;
3311 }
f8df10f4
JJ
3312 else if (! howto->partial_inplace)
3313 {
8517fae7 3314 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
3315 addend = rel->r_addend;
3316 }
3317 else if ((sec->flags & SEC_MERGE)
3318 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3319 {
3320 asection *msec;
3321
3322 if (howto->rightshift || howto->src_mask != 0xffffffff)
3323 {
3324 (*_bfd_error_handler)
d003868e
AM
3325 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
3326 input_bfd, input_section,
f8df10f4 3327 (long) rel->r_offset, howto->name);
b34976b6 3328 return FALSE;
f8df10f4
JJ
3329 }
3330
067653c5
AM
3331 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3332 msec = sec;
3333 addend =
c629eae0 3334 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
3335 - relocation;
3336 addend += msec->output_section->vma + msec->output_offset;
3337 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3338 addend = 0;
3339 }
37c644f2
AO
3340 }
3341 else
3342 {
560e09e9
NC
3343 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3344
ab96bf03 3345 relocation = 0;
37c644f2
AO
3346 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3347 while (h->root.type == bfd_link_hash_indirect
3348 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
3349 {
3350#ifdef INCLUDE_SHMEDIA
3351 /* If the reference passes a symbol marked with
3352 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
3353 doesn't count. */
3354 seen_stt_datalabel |= h->type == STT_DATALABEL;
3355#endif
3356 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3357 }
37c644f2
AO
3358 if (h->root.type == bfd_link_hash_defined
3359 || h->root.type == bfd_link_hash_defweak)
3360 {
b34976b6 3361 bfd_boolean dyn;
067653c5
AM
3362
3363 dyn = htab->root.dynamic_sections_created;
37c644f2
AO
3364 sec = h->root.u.def.section;
3365 /* In these cases, we don't need the relocation value.
3366 We check specially because in some obscure cases
435b1e90 3367 sec->output_section will be NULL. */
37c644f2 3368 if (r_type == R_SH_GOTPC
fbca6ad9
AO
3369 || r_type == R_SH_GOTPC_LOW16
3370 || r_type == R_SH_GOTPC_MEDLOW16
3371 || r_type == R_SH_GOTPC_MEDHI16
3372 || r_type == R_SH_GOTPC_HI16
3373 || ((r_type == R_SH_PLT32
3374 || r_type == R_SH_PLT_LOW16
3375 || r_type == R_SH_PLT_MEDLOW16
3376 || r_type == R_SH_PLT_MEDHI16
3377 || r_type == R_SH_PLT_HI16)
37c644f2 3378 && h->plt.offset != (bfd_vma) -1)
fbca6ad9
AO
3379 || ((r_type == R_SH_GOT32
3380 || r_type == R_SH_GOT_LOW16
3381 || r_type == R_SH_GOT_MEDLOW16
3382 || r_type == R_SH_GOT_MEDHI16
3383 || r_type == R_SH_GOT_HI16)
267fb3c1 3384 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
3385 && (! info->shared
3386 || (! info->symbolic && h->dynindx != -1)
f5385ebf 3387 || !h->def_regular))
37c644f2
AO
3388 /* The cases above are those in which relocation is
3389 overwritten in the switch block below. The cases
3390 below are those in which we must defer relocation
3391 to run-time, because we can't resolve absolute
3392 addresses when creating a shared library. */
3393 || (info->shared
3394 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 3395 || !h->def_regular)
37c644f2 3396 && ((r_type == R_SH_DIR32
f5385ebf 3397 && !h->forced_local)
f50ad433
KK
3398 || (r_type == R_SH_REL32
3399 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3400 && ((input_section->flags & SEC_ALLOC) != 0
3401 /* DWARF will emit R_SH_DIR32 relocations in its
3402 sections against symbols defined externally
3403 in shared libraries. We can't do anything
3404 with them here. */
067653c5 3405 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3406 && h->def_dynamic)))
1448fa32
KK
3407 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3408 sections because such sections are not SEC_ALLOC and
3409 thus ld.so will not process them. */
3410 || (sec->output_section == NULL
3411 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3412 && h->def_dynamic))
3376eaf5
KK
3413 || (sec->output_section == NULL
3414 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
3415 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
ab96bf03
AM
3416 ;
3417 else if (sec->output_section != NULL)
3418 relocation = ((h->root.u.def.value
3419 + sec->output_section->vma
3420 + sec->output_offset)
3421 /* A STO_SH5_ISA32 causes a "bitor 1" to the
3422 symbol value, unless we've seen
3423 STT_DATALABEL on the way to it. */
3424 | ((h->other & STO_SH5_ISA32) != 0
3425 && ! seen_stt_datalabel));
3426 else if (!info->relocatable)
37c644f2
AO
3427 {
3428 (*_bfd_error_handler)
843fe662
L
3429 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3430 input_bfd,
3431 input_section,
3432 (long) rel->r_offset,
3433 howto->name,
3434 h->root.root.string);
b34976b6 3435 return FALSE;
37c644f2 3436 }
37c644f2
AO
3437 }
3438 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 3439 ;
59c2e50f 3440 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 3441 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
3442 ;
3443 else if (!info->relocatable)
37c644f2 3444 {
560e09e9
NC
3445 if (! info->callbacks->undefined_symbol
3446 (info, h->root.root.string, input_bfd,
3447 input_section, rel->r_offset,
59c2e50f 3448 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 3449 || ELF_ST_VISIBILITY (h->other))))
b34976b6 3450 return FALSE;
37c644f2
AO
3451 }
3452 }
3453
ab96bf03
AM
3454 if (sec != NULL && elf_discarded_section (sec))
3455 {
3456 /* For relocs against symbols from removed linkonce sections,
3457 or sections discarded by a linker script, we just want the
3458 section contents zeroed. Avoid any special processing. */
3459 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
3460 rel->r_info = 0;
3461 rel->r_addend = 0;
3462 continue;
3463 }
3464
3465 if (info->relocatable)
3466 continue;
3467
435b1e90 3468 switch ((int) r_type)
37c644f2
AO
3469 {
3470 final_link_relocate:
3471 /* COFF relocs don't use the addend. The addend is used for
435b1e90 3472 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
3473 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3474 contents, rel->r_offset,
3475 relocation, addend);
3476 break;
3477
3478 case R_SH_IND12W:
cd6ec716
DD
3479 goto final_link_relocate;
3480
37c644f2
AO
3481 case R_SH_DIR8WPN:
3482 case R_SH_DIR8WPZ:
3483 case R_SH_DIR8WPL:
cd6ec716
DD
3484 /* If the reloc is against the start of this section, then
3485 the assembler has already taken care of it and the reloc
3486 is here only to assist in relaxing. If the reloc is not
3487 against the start of this section, then it's against an
3488 external symbol and we must deal with it ourselves. */
3489 if (input_section->output_section->vma + input_section->output_offset
3490 != relocation)
3491 {
3492 int disp = (relocation
3493 - input_section->output_section->vma
3494 - input_section->output_offset
3495 - rel->r_offset);
3496 int mask = 0;
3497 switch (r_type)
3498 {
3499 case R_SH_DIR8WPN:
3500 case R_SH_DIR8WPZ: mask = 1; break;
3501 case R_SH_DIR8WPL: mask = 3; break;
3502 default: mask = 0; break;
3503 }
3504 if (disp & mask)
3505 {
3506 ((*_bfd_error_handler)
d003868e
AM
3507 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
3508 input_section->owner,
cd6ec716
DD
3509 (unsigned long) rel->r_offset));
3510 bfd_set_error (bfd_error_bad_value);
b34976b6 3511 return FALSE;
cd6ec716
DD
3512 }
3513 relocation -= 4;
3514 goto final_link_relocate;
3515 }
3516 r = bfd_reloc_ok;
3517 break;
37c644f2
AO
3518
3519 default:
fbca6ad9
AO
3520#ifdef INCLUDE_SHMEDIA
3521 if (shmedia_prepare_reloc (info, input_bfd, input_section,
3522 contents, rel, &relocation))
3523 goto final_link_relocate;
3524#endif
37c644f2 3525 bfd_set_error (bfd_error_bad_value);
b34976b6 3526 return FALSE;
37c644f2 3527
d38eb334
DD
3528 case R_SH_DIR16:
3529 case R_SH_DIR8:
3530 case R_SH_DIR8U:
3531 case R_SH_DIR8S:
3532 case R_SH_DIR4U:
3533 goto final_link_relocate;
3534
3535 case R_SH_DIR8UL:
3536 case R_SH_DIR4UL:
3537 if (relocation & 3)
3538 {
3539 ((*_bfd_error_handler)
d003868e
AM
3540 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3541 input_section->owner,
d38eb334 3542 (unsigned long) rel->r_offset, howto->name,
d003868e 3543 (unsigned long) relocation));
d38eb334
DD
3544 bfd_set_error (bfd_error_bad_value);
3545 return FALSE;
3546 }
3547 goto final_link_relocate;
3548
3549 case R_SH_DIR8UW:
3550 case R_SH_DIR8SW:
3551 case R_SH_DIR4UW:
3552 if (relocation & 1)
3553 {
3554 ((*_bfd_error_handler)
d003868e
AM
3555 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3556 input_section->owner,
d38eb334 3557 (unsigned long) rel->r_offset, howto->name,
d003868e 3558 (unsigned long) relocation));
d38eb334
DD
3559 bfd_set_error (bfd_error_bad_value);
3560 return FALSE;
3561 }
3562 goto final_link_relocate;
3563
3564 case R_SH_PSHA:
3565 if ((signed int)relocation < -32
3566 || (signed int)relocation > 32)
3567 {
3568 ((*_bfd_error_handler)
d003868e
AM
3569 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
3570 input_section->owner,
d38eb334 3571 (unsigned long) rel->r_offset,
d003868e 3572 (unsigned long) relocation));
d38eb334
DD
3573 bfd_set_error (bfd_error_bad_value);
3574 return FALSE;
3575 }
3576 goto final_link_relocate;
3577
3578 case R_SH_PSHL:
3579 if ((signed int)relocation < -16
3580 || (signed int)relocation > 16)
3581 {
3582 ((*_bfd_error_handler)
d003868e
AM
3583 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
3584 input_section->owner,
d38eb334 3585 (unsigned long) rel->r_offset,
d003868e 3586 (unsigned long) relocation));
d38eb334
DD
3587 bfd_set_error (bfd_error_bad_value);
3588 return FALSE;
3589 }
3590 goto final_link_relocate;
3591
37c644f2
AO
3592 case R_SH_DIR32:
3593 case R_SH_REL32:
46e993b9
KK
3594#ifdef INCLUDE_SHMEDIA
3595 case R_SH_IMM_LOW16_PCREL:
3596 case R_SH_IMM_MEDLOW16_PCREL:
3597 case R_SH_IMM_MEDHI16_PCREL:
3598 case R_SH_IMM_HI16_PCREL:
3599#endif
37c644f2 3600 if (info->shared
04e534c3
KK
3601 && (h == NULL
3602 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3603 || h->root.type != bfd_link_hash_undefweak)
ec338859 3604 && r_symndx != 0
37c644f2 3605 && (input_section->flags & SEC_ALLOC) != 0
3348747a 3606 && !is_vxworks_tls
46e993b9 3607 && (r_type == R_SH_DIR32
3d85aebe 3608 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3609 {
3610 Elf_Internal_Rela outrel;
947216bf 3611 bfd_byte *loc;
b34976b6 3612 bfd_boolean skip, relocate;
37c644f2
AO
3613
3614 /* When generating a shared object, these relocations
3615 are copied into the output file to be resolved at run
3616 time. */
3617
3618 if (sreloc == NULL)
3619 {
83bac4b0
NC
3620 sreloc = _bfd_elf_get_dynamic_reloc_section
3621 (input_bfd, input_section, /*rela?*/ TRUE);
3622 if (sreloc == NULL)
b34976b6 3623 return FALSE;
37c644f2
AO
3624 }
3625
b34976b6
AM
3626 skip = FALSE;
3627 relocate = FALSE;
37c644f2 3628
c629eae0
JJ
3629 outrel.r_offset =
3630 _bfd_elf_section_offset (output_bfd, info, input_section,
3631 rel->r_offset);
3632 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 3633 skip = TRUE;
0bb2d96a 3634 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 3635 skip = TRUE, relocate = TRUE;
37c644f2
AO
3636 outrel.r_offset += (input_section->output_section->vma
3637 + input_section->output_offset);
3638
3639 if (skip)
0bb2d96a 3640 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
3641 else if (r_type == R_SH_REL32)
3642 {
3643 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 3644 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 3645 outrel.r_addend
55e6e397
RS
3646 = (howto->partial_inplace
3647 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3648 : addend);
37c644f2 3649 }
46e993b9
KK
3650#ifdef INCLUDE_SHMEDIA
3651 else if (r_type == R_SH_IMM_LOW16_PCREL
3652 || r_type == R_SH_IMM_MEDLOW16_PCREL
3653 || r_type == R_SH_IMM_MEDHI16_PCREL
3654 || r_type == R_SH_IMM_HI16_PCREL)
3655 {
3656 BFD_ASSERT (h != NULL && h->dynindx != -1);
3657 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
3658 outrel.r_addend = addend;
3659 }
3660#endif
37c644f2
AO
3661 else
3662 {
3663 /* h->dynindx may be -1 if this symbol was marked to
3664 become local. */
3665 if (h == NULL
3666 || ((info->symbolic || h->dynindx == -1)
f5385ebf 3667 && h->def_regular))
37c644f2 3668 {
55e6e397 3669 relocate = howto->partial_inplace;
37c644f2 3670 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
3671 }
3672 else
3673 {
3674 BFD_ASSERT (h->dynindx != -1);
37c644f2 3675 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 3676 }
55e6e397
RS
3677 outrel.r_addend = relocation;
3678 outrel.r_addend
3679 += (howto->partial_inplace
3680 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3681 : addend);
37c644f2
AO
3682 }
3683
947216bf
AM
3684 loc = sreloc->contents;
3685 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3686 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3687
3688 /* If this reloc is against an external symbol, we do
3689 not want to fiddle with the addend. Otherwise, we
3690 need to include the symbol value so that it becomes
3691 an addend for the dynamic reloc. */
3692 if (! relocate)
3693 continue;
3694 }
37c644f2
AO
3695 goto final_link_relocate;
3696
fbca6ad9
AO
3697 case R_SH_GOTPLT32:
3698#ifdef INCLUDE_SHMEDIA
3699 case R_SH_GOTPLT_LOW16:
3700 case R_SH_GOTPLT_MEDLOW16:
3701 case R_SH_GOTPLT_MEDHI16:
3702 case R_SH_GOTPLT_HI16:
3703 case R_SH_GOTPLT10BY4:
3704 case R_SH_GOTPLT10BY8:
3705#endif
3706 /* Relocation is to the entry for this symbol in the
3707 procedure linkage table. */
3708
3709 if (h == NULL
f5385ebf 3710 || h->forced_local
fbca6ad9
AO
3711 || ! info->shared
3712 || info->symbolic
3713 || h->dynindx == -1
3714 || h->plt.offset == (bfd_vma) -1
3715 || h->got.offset != (bfd_vma) -1)
3716 goto force_got;
3717
3718 /* Relocation is to the entry for this symbol in the global
3719 offset table extension for the procedure linkage table. */
fbca6ad9 3720
067653c5 3721 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 3722 relocation = (sgotplt->output_offset
55e6e397
RS
3723 + (get_plt_index (htab->plt_info, h->plt.offset)
3724 + 3) * 4);
fbca6ad9
AO
3725
3726#ifdef GOT_BIAS
3727 relocation -= GOT_BIAS;
3728#endif
3729
3730 goto final_link_relocate;
3731
3732 force_got:
37c644f2 3733 case R_SH_GOT32:
fbca6ad9
AO
3734#ifdef INCLUDE_SHMEDIA
3735 case R_SH_GOT_LOW16:
3736 case R_SH_GOT_MEDLOW16:
3737 case R_SH_GOT_MEDHI16:
3738 case R_SH_GOT_HI16:
3739 case R_SH_GOT10BY4:
3740 case R_SH_GOT10BY8:
3741#endif
37c644f2
AO
3742 /* Relocation is to the entry for this symbol in the global
3743 offset table. */
067653c5
AM
3744
3745 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3746
3747 if (h != NULL)
3748 {
b34976b6 3749 bfd_boolean dyn;
37c644f2
AO
3750
3751 off = h->got.offset;
fbca6ad9
AO
3752#ifdef INCLUDE_SHMEDIA
3753 if (seen_stt_datalabel)
3754 {
3755 struct elf_sh_link_hash_entry *hsh;
3756
3757 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3758 off = hsh->datalabel_got.offset;
fbca6ad9
AO
3759 }
3760#endif
37c644f2
AO
3761 BFD_ASSERT (off != (bfd_vma) -1);
3762
067653c5 3763 dyn = htab->root.dynamic_sections_created;
267fb3c1 3764 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 3765 || (info->shared
3d85aebe 3766 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
3767 || (ELF_ST_VISIBILITY (h->other)
3768 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
3769 {
3770 /* This is actually a static link, or it is a
3771 -Bsymbolic link and the symbol is defined
3772 locally, or the symbol was forced to be local
3773 because of a version file. We must initialize
3774 this entry in the global offset table. Since the
3775 offset must always be a multiple of 4, we use the
3776 least significant bit to record whether we have
3777 initialized it already.
3778
3779 When doing a dynamic link, we create a .rela.got
3780 relocation entry to initialize the value. This
3781 is done in the finish_dynamic_symbol routine. */
3782 if ((off & 1) != 0)
3783 off &= ~1;
3784 else
3785 {
3786 bfd_put_32 (output_bfd, relocation,
3787 sgot->contents + off);
fbca6ad9
AO
3788#ifdef INCLUDE_SHMEDIA
3789 if (seen_stt_datalabel)
3790 {
3791 struct elf_sh_link_hash_entry *hsh;
3792
3793 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3794 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
3795 }
3796 else
3797#endif
3798 h->got.offset |= 1;
37c644f2
AO
3799 }
3800 }
3801
3802 relocation = sgot->output_offset + off;
3803 }
3804 else
3805 {
fbca6ad9
AO
3806#ifdef INCLUDE_SHMEDIA
3807 if (rel->r_addend)
3808 {
3809 BFD_ASSERT (local_got_offsets != NULL
3810 && (local_got_offsets[symtab_hdr->sh_info
3811 + r_symndx]
3812 != (bfd_vma) -1));
3813
3814 off = local_got_offsets[symtab_hdr->sh_info
3815 + r_symndx];
3816 }
3817 else
3818 {
3819#endif
37c644f2
AO
3820 BFD_ASSERT (local_got_offsets != NULL
3821 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3822
3823 off = local_got_offsets[r_symndx];
fbca6ad9
AO
3824#ifdef INCLUDE_SHMEDIA
3825 }
3826#endif
37c644f2
AO
3827
3828 /* The offset must always be a multiple of 4. We use
3829 the least significant bit to record whether we have
3830 already generated the necessary reloc. */
3831 if ((off & 1) != 0)
3832 off &= ~1;
3833 else
3834 {
3835 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
3836
3837 if (info->shared)
3838 {
37c644f2 3839 Elf_Internal_Rela outrel;
947216bf 3840 bfd_byte *loc;
37c644f2 3841
3376eaf5
KK
3842 if (srelgot == NULL)
3843 {
3844 srelgot = bfd_get_section_by_name (dynobj,
3845 ".rela.got");
3846 BFD_ASSERT (srelgot != NULL);
3847 }
37c644f2
AO
3848
3849 outrel.r_offset = (sgot->output_section->vma
3850 + sgot->output_offset
3851 + off);
3852 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
3853 outrel.r_addend = relocation;
947216bf
AM
3854 loc = srelgot->contents;
3855 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3856 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3857 }
3858
fbca6ad9
AO
3859#ifdef INCLUDE_SHMEDIA
3860 if (rel->r_addend)
3861 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
3862 else
3863#endif
3864 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
3865 }
3866
3867 relocation = sgot->output_offset + off;
3868 }
3869
fbca6ad9 3870#ifdef GOT_BIAS
067653c5 3871 relocation -= GOT_BIAS;
fbca6ad9
AO
3872#endif
3873
37c644f2
AO
3874 goto final_link_relocate;
3875
3876 case R_SH_GOTOFF:
fbca6ad9
AO
3877#ifdef INCLUDE_SHMEDIA
3878 case R_SH_GOTOFF_LOW16:
3879 case R_SH_GOTOFF_MEDLOW16:
3880 case R_SH_GOTOFF_MEDHI16:
3881 case R_SH_GOTOFF_HI16:
3882#endif
37c644f2
AO
3883 /* Relocation is relative to the start of the global offset
3884 table. */
3885
067653c5 3886 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3887
3888 /* Note that sgot->output_offset is not involved in this
3889 calculation. We always want the start of .got. If we
3890 defined _GLOBAL_OFFSET_TABLE in a different way, as is
3891 permitted by the ABI, we might have to change this
3892 calculation. */
3893 relocation -= sgot->output_section->vma;
3894
fbca6ad9
AO
3895#ifdef GOT_BIAS
3896 relocation -= GOT_BIAS;
3897#endif
3898
3899 addend = rel->r_addend;
3900
37c644f2
AO
3901 goto final_link_relocate;
3902
3903 case R_SH_GOTPC:
fbca6ad9
AO
3904#ifdef INCLUDE_SHMEDIA
3905 case R_SH_GOTPC_LOW16:
3906 case R_SH_GOTPC_MEDLOW16:
3907 case R_SH_GOTPC_MEDHI16:
3908 case R_SH_GOTPC_HI16:
3909#endif
37c644f2
AO
3910 /* Use global offset table as symbol value. */
3911
067653c5 3912 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3913 relocation = sgot->output_section->vma;
3914
fbca6ad9
AO
3915#ifdef GOT_BIAS
3916 relocation += GOT_BIAS;
3917#endif
3918
3919 addend = rel->r_addend;
3920
37c644f2
AO
3921 goto final_link_relocate;
3922
3923 case R_SH_PLT32:
fbca6ad9
AO
3924#ifdef INCLUDE_SHMEDIA
3925 case R_SH_PLT_LOW16:
3926 case R_SH_PLT_MEDLOW16:
3927 case R_SH_PLT_MEDHI16:
3928 case R_SH_PLT_HI16:
3929#endif
37c644f2
AO
3930 /* Relocation is to the entry for this symbol in the
3931 procedure linkage table. */
3932
3933 /* Resolve a PLT reloc against a local symbol directly,
3934 without using the procedure linkage table. */
3935 if (h == NULL)
3936 goto final_link_relocate;
3937
f5385ebf 3938 if (h->forced_local)
37c644f2
AO
3939 goto final_link_relocate;
3940
3941 if (h->plt.offset == (bfd_vma) -1)
3942 {
3943 /* We didn't make a PLT entry for this symbol. This
3944 happens when statically linking PIC code, or when
3945 using -Bsymbolic. */
3946 goto final_link_relocate;
3947 }
3948
067653c5 3949 BFD_ASSERT (splt != NULL);
37c644f2
AO
3950 relocation = (splt->output_section->vma
3951 + splt->output_offset
3952 + h->plt.offset);
3953
fbca6ad9
AO
3954#ifdef INCLUDE_SHMEDIA
3955 relocation++;
3956#endif
3957
3958 addend = rel->r_addend;
3959
37c644f2
AO
3960 goto final_link_relocate;
3961
3962 case R_SH_LOOP_START:
3963 {
3964 static bfd_vma start, end;
3965
3966 start = (relocation + rel->r_addend
3967 - (sec->output_section->vma + sec->output_offset));
3968 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3969 rel->r_offset, sec, start, end);
3970 break;
3971
3972 case R_SH_LOOP_END:
3973 end = (relocation + rel->r_addend
3974 - (sec->output_section->vma + sec->output_offset));
3975 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3976 rel->r_offset, sec, start, end);
3977 break;
3978 }
3376eaf5
KK
3979
3980 case R_SH_TLS_GD_32:
3981 case R_SH_TLS_IE_32:
3982 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
3983 tls_type = GOT_UNKNOWN;
3984 if (h == NULL && local_got_offsets)
3985 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
3986 else if (h != NULL)
3987 {
3988 tls_type = sh_elf_hash_entry (h)->tls_type;
3989 if (! info->shared
3990 && (h->dynindx == -1
f5385ebf 3991 || h->def_regular))
267fb3c1 3992 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
3993 }
3994
3995 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
3996 r_type = R_SH_TLS_IE_32;
3997
3998 if (r_type == R_SH_TLS_LE_32)
3999 {
4000 bfd_vma offset;
4001 unsigned short insn;
3376eaf5
KK
4002
4003 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
4004 {
4005 /* GD->LE transition:
4006 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 4007 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
4008 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4009 We change it into:
4010 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4011 nop; nop; ...
4012 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4013
4014 offset = rel->r_offset;
4015 BFD_ASSERT (offset >= 16);
4016 /* Size of GD instructions is 16 or 18. */
4017 offset -= 16;
4018 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4019 if ((insn & 0xff00) == 0xc700)
4020 {
4021 BFD_ASSERT (offset >= 2);
4022 offset -= 2;
4023 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4024 }
4025
4026 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4027 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4028 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4029 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4030 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4031 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4032 BFD_ASSERT (insn == 0x310c);
4033 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4034 BFD_ASSERT (insn == 0x410b);
4035 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4036 BFD_ASSERT (insn == 0x34cc);
4037
4038 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4039 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4040 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4041 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4042 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4043 }
4044 else
4045 {
4046 int index;
4047
4048 /* IE->LE transition:
4049 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
4050 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
4051 We change it into:
4052 mov.l .Ln,rM; stc gbr,rN; nop; ...;
4053 1: x@TPOFF; 2:. */
4054
4055 offset = rel->r_offset;
4056 BFD_ASSERT (offset >= 16);
4057 /* Size of IE instructions is 10 or 12. */
4058 offset -= 10;
4059 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4060 if ((insn & 0xf0ff) == 0x0012)
4061 {
4062 BFD_ASSERT (offset >= 2);
4063 offset -= 2;
4064 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4065 }
4066
4067 BFD_ASSERT ((insn & 0xff00) == 0xd000);
4068 index = insn & 0x00ff;
4069 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4070 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
4071 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4072 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
4073 insn = 0xd000 | (insn & 0x0f00) | index;
4074 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4075 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4076 }
4077
267fb3c1
KK
4078 bfd_put_32 (output_bfd, tpoff (info, relocation),
4079 contents + rel->r_offset);
3376eaf5
KK
4080 continue;
4081 }
4082
4083 sgot = htab->sgot;
4084 if (sgot == NULL)
4085 abort ();
4086
4087 if (h != NULL)
4088 off = h->got.offset;
4089 else
4090 {
4091 if (local_got_offsets == NULL)
4092 abort ();
4093
4094 off = local_got_offsets[r_symndx];
4095 }
4096
267fb3c1
KK
4097 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4098 if (r_type == R_SH_TLS_IE_32
4099 && ! htab->root.dynamic_sections_created)
4100 {
4101 off &= ~1;
4102 bfd_put_32 (output_bfd, tpoff (info, relocation),
4103 sgot->contents + off);
4104 bfd_put_32 (output_bfd, sgot->output_offset + off,
4105 contents + rel->r_offset);
4106 continue;
4107 }
4108
3376eaf5
KK
4109 if ((off & 1) != 0)
4110 off &= ~1;
26e41594 4111 else
3376eaf5
KK
4112 {
4113 Elf_Internal_Rela outrel;
947216bf 4114 bfd_byte *loc;
3376eaf5
KK
4115 int dr_type, indx;
4116
4117 if (srelgot == NULL)
4118 {
4119 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4120 BFD_ASSERT (srelgot != NULL);
4121 }
4122
4123 outrel.r_offset = (sgot->output_section->vma
4124 + sgot->output_offset + off);
4125
267fb3c1 4126 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
4127 indx = 0;
4128 else
4129 indx = h->dynindx;
267fb3c1 4130
3376eaf5
KK
4131 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4132 R_SH_TLS_TPOFF32);
4133 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4134 outrel.r_addend = relocation - dtpoff_base (info);
4135 else
4136 outrel.r_addend = 0;
4137 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
4138 loc = srelgot->contents;
4139 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4140 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4141
4142 if (r_type == R_SH_TLS_GD_32)
4143 {
4144 if (indx == 0)
4145 {
4146 bfd_put_32 (output_bfd,
4147 relocation - dtpoff_base (info),
4148 sgot->contents + off + 4);
4149 }
4150 else
4151 {
4152 outrel.r_info = ELF32_R_INFO (indx,
4153 R_SH_TLS_DTPOFF32);
4154 outrel.r_offset += 4;
4155 outrel.r_addend = 0;
4156 srelgot->reloc_count++;
947216bf
AM
4157 loc += sizeof (Elf32_External_Rela);
4158 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4159 }
4160 }
4161
4162 if (h != NULL)
4163 h->got.offset |= 1;
4164 else
4165 local_got_offsets[r_symndx] |= 1;
4166 }
4167
4168 if (off >= (bfd_vma) -2)
4169 abort ();
4170
4171 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
4172 relocation = sgot->output_offset + off;
4173 else
4174 {
4175 bfd_vma offset;
4176 unsigned short insn;
4177
4178 /* GD->IE transition:
4179 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4180 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4181 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4182 We change it into:
4183 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4184 nop; nop; bra 3f; nop; .align 2;
4185 1: .long x@TPOFF; 2:...; 3:. */
4186
4187 offset = rel->r_offset;
4188 BFD_ASSERT (offset >= 16);
4189 /* Size of GD instructions is 16 or 18. */
4190 offset -= 16;
4191 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4192 if ((insn & 0xff00) == 0xc700)
4193 {
4194 BFD_ASSERT (offset >= 2);
4195 offset -= 2;
4196 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4197 }
4198
4199 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4200
4201 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4202 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4203
4204 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4205 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4206 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4207 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4208 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4209 BFD_ASSERT (insn == 0x310c);
4210 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4211 BFD_ASSERT (insn == 0x410b);
4212 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4213 BFD_ASSERT (insn == 0x34cc);
4214
4215 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4216 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4217 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4218 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4219 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4220
4221 bfd_put_32 (output_bfd, sgot->output_offset + off,
4222 contents + rel->r_offset);
4223
4224 continue;
4225 }
4226
4227 addend = rel->r_addend;
4228
4229 goto final_link_relocate;
4230
4231 case R_SH_TLS_LD_32:
4232 if (! info->shared)
4233 {
4234 bfd_vma offset;
4235 unsigned short insn;
4236
4237 /* LD->LE transition:
4238 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4239 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4240 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4241 We change it into:
4242 stc gbr,r0; nop; nop; nop;
4243 nop; nop; bra 3f; ...; 3:. */
4244
4245 offset = rel->r_offset;
4246 BFD_ASSERT (offset >= 16);
4247 /* Size of LD instructions is 16 or 18. */
4248 offset -= 16;
4249 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4250 if ((insn & 0xff00) == 0xc700)
4251 {
4252 BFD_ASSERT (offset >= 2);
4253 offset -= 2;
4254 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4255 }
4256
4257 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4258 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4259 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4260 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4261 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4262 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4263 BFD_ASSERT (insn == 0x310c);
4264 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4265 BFD_ASSERT (insn == 0x410b);
4266 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4267 BFD_ASSERT (insn == 0x34cc);
4268
4269 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
4270 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
4271 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4272 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4273 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4274 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4275
4276 continue;
4277 }
4278
4279 sgot = htab->sgot;
4280 if (sgot == NULL)
4281 abort ();
4282
4283 off = htab->tls_ldm_got.offset;
4284 if (off & 1)
4285 off &= ~1;
4286 else
4287 {
4288 Elf_Internal_Rela outrel;
947216bf 4289 bfd_byte *loc;
3376eaf5
KK
4290
4291 srelgot = htab->srelgot;
4292 if (srelgot == NULL)
4293 abort ();
4294
4295 outrel.r_offset = (sgot->output_section->vma
4296 + sgot->output_offset + off);
4297 outrel.r_addend = 0;
4298 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
4299 loc = srelgot->contents;
4300 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4301 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4302 htab->tls_ldm_got.offset |= 1;
4303 }
4304
4305 relocation = sgot->output_offset + off;
4306 addend = rel->r_addend;
4307
4308 goto final_link_relocate;
4309
4310 case R_SH_TLS_LDO_32:
4311 if (! info->shared)
267fb3c1 4312 relocation = tpoff (info, relocation);
3376eaf5
KK
4313 else
4314 relocation -= dtpoff_base (info);
4315
4316 addend = rel->r_addend;
4317 goto final_link_relocate;
4318
4319 case R_SH_TLS_LE_32:
4320 {
4321 int indx;
4322 Elf_Internal_Rela outrel;
947216bf 4323 bfd_byte *loc;
3376eaf5 4324
267fb3c1
KK
4325 if (! info->shared)
4326 {
4327 relocation = tpoff (info, relocation);
4328 addend = rel->r_addend;
4329 goto final_link_relocate;
4330 }
4331
3376eaf5
KK
4332 if (sreloc == NULL)
4333 {
83bac4b0
NC
4334 sreloc = _bfd_elf_get_dynamic_reloc_section
4335 (input_bfd, input_section, /*rela?*/ TRUE);
4336 if (sreloc == NULL)
b34976b6 4337 return FALSE;
3376eaf5
KK
4338 }
4339
267fb3c1
KK
4340 if (h == NULL || h->dynindx == -1)
4341 indx = 0;
4342 else
4343 indx = h->dynindx;
4344
3376eaf5
KK
4345 outrel.r_offset = (input_section->output_section->vma
4346 + input_section->output_offset
4347 + rel->r_offset);
4348 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
4349 if (indx == 0)
4350 outrel.r_addend = relocation - dtpoff_base (info);
4351 else
4352 outrel.r_addend = 0;
3376eaf5 4353
947216bf
AM
4354 loc = sreloc->contents;
4355 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4356 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4357 continue;
4358 }
37c644f2
AO
4359 }
4360
146be91a 4361 relocation_done:
37c644f2
AO
4362 if (r != bfd_reloc_ok)
4363 {
4364 switch (r)
4365 {
4366 default:
4367 case bfd_reloc_outofrange:
4368 abort ();
4369 case bfd_reloc_overflow:
4370 {
4371 const char *name;
4372
4373 if (h != NULL)
dfeffb9f 4374 name = NULL;
37c644f2
AO
4375 else
4376 {
252b5132
RH
4377 name = (bfd_elf_string_from_elf_section
4378 (input_bfd, symtab_hdr->sh_link, sym->st_name));
4379 if (name == NULL)
b34976b6 4380 return FALSE;
252b5132
RH
4381 if (*name == '\0')
4382 name = bfd_section_name (input_bfd, sec);
4383 }
4384 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
4385 (info, (h ? &h->root : NULL), name, howto->name,
4386 (bfd_vma) 0, input_bfd, input_section,
4387 rel->r_offset)))
b34976b6 4388 return FALSE;
252b5132
RH
4389 }
4390 break;
4391 }
4392 }
4393 }
4394
b34976b6 4395 return TRUE;
252b5132
RH
4396}
4397
4398/* This is a version of bfd_generic_get_relocated_section_contents
4399 which uses sh_elf_relocate_section. */
4400
4401static bfd_byte *
09fd220b
KK
4402sh_elf_get_relocated_section_contents (bfd *output_bfd,
4403 struct bfd_link_info *link_info,
4404 struct bfd_link_order *link_order,
4405 bfd_byte *data,
4406 bfd_boolean relocatable,
4407 asymbol **symbols)
252b5132
RH
4408{
4409 Elf_Internal_Shdr *symtab_hdr;
4410 asection *input_section = link_order->u.indirect.section;
4411 bfd *input_bfd = input_section->owner;
4412 asection **sections = NULL;
4413 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 4414 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
4415
4416 /* We only need to handle the case of relaxing, or of having a
4417 particular set of section contents, specially. */
1049f94e 4418 if (relocatable
252b5132
RH
4419 || elf_section_data (input_section)->this_hdr.contents == NULL)
4420 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4421 link_order, data,
1049f94e 4422 relocatable,
252b5132
RH
4423 symbols);
4424
0ffa91dd 4425 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
4426
4427 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 4428 (size_t) input_section->size);
252b5132
RH
4429
4430 if ((input_section->flags & SEC_RELOC) != 0
4431 && input_section->reloc_count > 0)
4432 {
252b5132 4433 asection **secpp;
6cdc0ccc 4434 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 4435 bfd_size_type amt;
252b5132 4436
45d6a902 4437 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 4438 (input_bfd, input_section, NULL,
b34976b6 4439 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
4440 if (internal_relocs == NULL)
4441 goto error_return;
4442
6cdc0ccc
AM
4443 if (symtab_hdr->sh_info != 0)
4444 {
4445 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4446 if (isymbuf == NULL)
4447 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4448 symtab_hdr->sh_info, 0,
4449 NULL, NULL, NULL);
4450 if (isymbuf == NULL)
4451 goto error_return;
4452 }
252b5132 4453
9ad5cbcf
AM
4454 amt = symtab_hdr->sh_info;
4455 amt *= sizeof (asection *);
4456 sections = (asection **) bfd_malloc (amt);
4457 if (sections == NULL && amt != 0)
252b5132
RH
4458 goto error_return;
4459
6cdc0ccc
AM
4460 isymend = isymbuf + symtab_hdr->sh_info;
4461 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
4462 {
4463 asection *isec;
4464
6cdc0ccc 4465 if (isym->st_shndx == SHN_UNDEF)
252b5132 4466 isec = bfd_und_section_ptr;
6cdc0ccc 4467 else if (isym->st_shndx == SHN_ABS)
252b5132 4468 isec = bfd_abs_section_ptr;
6cdc0ccc 4469 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
4470 isec = bfd_com_section_ptr;
4471 else
6cdc0ccc 4472 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
4473
4474 *secpp = isec;
4475 }
4476
4477 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
4478 input_section, data, internal_relocs,
6cdc0ccc 4479 isymbuf, sections))
252b5132
RH
4480 goto error_return;
4481
4482 if (sections != NULL)
4483 free (sections);
6cdc0ccc
AM
4484 if (isymbuf != NULL
4485 && symtab_hdr->contents != (unsigned char *) isymbuf)
4486 free (isymbuf);
4487 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 4488 free (internal_relocs);
252b5132
RH
4489 }
4490
4491 return data;
4492
4493 error_return:
252b5132
RH
4494 if (sections != NULL)
4495 free (sections);
6cdc0ccc
AM
4496 if (isymbuf != NULL
4497 && symtab_hdr->contents != (unsigned char *) isymbuf)
4498 free (isymbuf);
4499 if (internal_relocs != NULL
4500 && elf_section_data (input_section)->relocs != internal_relocs)
4501 free (internal_relocs);
252b5132
RH
4502 return NULL;
4503}
917583ad 4504
3376eaf5
KK
4505/* Return the base VMA address which should be subtracted from real addresses
4506 when resolving @dtpoff relocation.
4507 This is PT_TLS segment p_vaddr. */
4508
4509static bfd_vma
09fd220b 4510dtpoff_base (struct bfd_link_info *info)
3376eaf5 4511{
e1918d23
AM
4512 /* If tls_sec is NULL, we should have signalled an error already. */
4513 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 4514 return 0;
e1918d23 4515 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
4516}
4517
267fb3c1
KK
4518/* Return the relocation value for R_SH_TLS_TPOFF32.. */
4519
4520static bfd_vma
09fd220b 4521tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 4522{
e1918d23
AM
4523 /* If tls_sec is NULL, we should have signalled an error already. */
4524 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
4525 return 0;
4526 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
4527 structure which has 2 pointer fields. */
044ad7e3
KK
4528 return (address - elf_hash_table (info)->tls_sec->vma
4529 + align_power ((bfd_vma) 8,
4530 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
4531}
4532
252b5132 4533static asection *
09fd220b 4534sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
4535 struct bfd_link_info *info,
4536 Elf_Internal_Rela *rel,
4537 struct elf_link_hash_entry *h,
09fd220b 4538 Elf_Internal_Sym *sym)
252b5132
RH
4539{
4540 if (h != NULL)
07adf181
AM
4541 switch (ELF32_R_TYPE (rel->r_info))
4542 {
4543 case R_SH_GNU_VTINHERIT:
4544 case R_SH_GNU_VTENTRY:
4545 return NULL;
4546 }
9ad5cbcf 4547
07adf181 4548 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
4549}
4550
37c644f2
AO
4551/* Update the got entry reference counts for the section being removed. */
4552
b34976b6 4553static bfd_boolean
09fd220b
KK
4554sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
4555 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 4556{
067653c5
AM
4557 Elf_Internal_Shdr *symtab_hdr;
4558 struct elf_link_hash_entry **sym_hashes;
4559 bfd_signed_vma *local_got_refcounts;
4560 const Elf_Internal_Rela *rel, *relend;
067653c5 4561
7dda2462
TG
4562 if (info->relocatable)
4563 return TRUE;
4564
067653c5
AM
4565 elf_section_data (sec)->local_dynrel = NULL;
4566
0ffa91dd 4567 symtab_hdr = &elf_symtab_hdr (abfd);
067653c5
AM
4568 sym_hashes = elf_sym_hashes (abfd);
4569 local_got_refcounts = elf_local_got_refcounts (abfd);
4570
4571 relend = relocs + sec->reloc_count;
4572 for (rel = relocs; rel < relend; rel++)
396a6083 4573 {
26e41594
AM
4574 unsigned long r_symndx;
4575 unsigned int r_type;
4576 struct elf_link_hash_entry *h = NULL;
396a6083
SC
4577#ifdef INCLUDE_SHMEDIA
4578 int seen_stt_datalabel = 0;
4579#endif
3376eaf5 4580
396a6083 4581 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 4582 if (r_symndx >= symtab_hdr->sh_info)
396a6083 4583 {
26e41594
AM
4584 struct elf_sh_link_hash_entry *eh;
4585 struct elf_sh_dyn_relocs **pp;
4586 struct elf_sh_dyn_relocs *p;
4587
396a6083 4588 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4589 while (h->root.type == bfd_link_hash_indirect
4590 || h->root.type == bfd_link_hash_warning)
4591 {
3eb128b2 4592#ifdef INCLUDE_SHMEDIA
396a6083 4593 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 4594#endif
396a6083
SC
4595 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4596 }
26e41594
AM
4597 eh = (struct elf_sh_link_hash_entry *) h;
4598 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
4599 if (p->sec == sec)
4600 {
4601 /* Everything must go for SEC. */
4602 *pp = p->next;
4603 break;
4604 }
396a6083 4605 }
067653c5 4606
26e41594
AM
4607 r_type = ELF32_R_TYPE (rel->r_info);
4608 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
4609 {
4610 case R_SH_TLS_LD_32:
4611 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
4612 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
4613 break;
4614
4615 case R_SH_GOT32:
4616 case R_SH_GOTOFF:
4617 case R_SH_GOTPC:
4618#ifdef INCLUDE_SHMEDIA
4619 case R_SH_GOT_LOW16:
4620 case R_SH_GOT_MEDLOW16:
4621 case R_SH_GOT_MEDHI16:
4622 case R_SH_GOT_HI16:
4623 case R_SH_GOT10BY4:
4624 case R_SH_GOT10BY8:
4625 case R_SH_GOTOFF_LOW16:
4626 case R_SH_GOTOFF_MEDLOW16:
4627 case R_SH_GOTOFF_MEDHI16:
4628 case R_SH_GOTOFF_HI16:
4629 case R_SH_GOTPC_LOW16:
4630 case R_SH_GOTPC_MEDLOW16:
4631 case R_SH_GOTPC_MEDHI16:
4632 case R_SH_GOTPC_HI16:
4633#endif
4634 case R_SH_TLS_GD_32:
4635 case R_SH_TLS_IE_32:
4636 if (h != NULL)
4637 {
4638#ifdef INCLUDE_SHMEDIA
4639 if (seen_stt_datalabel)
4640 {
26e41594
AM
4641 struct elf_sh_link_hash_entry *eh;
4642 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
4643 if (eh->datalabel_got.refcount > 0)
4644 eh->datalabel_got.refcount -= 1;
4645 }
4646 else
4647#endif
4648 if (h->got.refcount > 0)
4649 h->got.refcount -= 1;
4650 }
4651 else if (local_got_refcounts != NULL)
4652 {
4653#ifdef INCLUDE_SHMEDIA
4654 if (rel->r_addend & 1)
4655 {
4656 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4657 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4658 }
4659 else
4660#endif
4661 if (local_got_refcounts[r_symndx] > 0)
4662 local_got_refcounts[r_symndx] -= 1;
4663 }
4664 break;
4665
4666 case R_SH_DIR32:
4667 case R_SH_REL32:
26e41594
AM
4668 if (info->shared)
4669 break;
4670 /* Fall thru */
396a6083
SC
4671
4672 case R_SH_PLT32:
4673#ifdef INCLUDE_SHMEDIA
4674 case R_SH_PLT_LOW16:
4675 case R_SH_PLT_MEDLOW16:
4676 case R_SH_PLT_MEDHI16:
4677 case R_SH_PLT_HI16:
4678#endif
4679 if (h != NULL)
4680 {
4681 if (h->plt.refcount > 0)
4682 h->plt.refcount -= 1;
4683 }
4684 break;
067653c5 4685
396a6083
SC
4686 case R_SH_GOTPLT32:
4687#ifdef INCLUDE_SHMEDIA
4688 case R_SH_GOTPLT_LOW16:
4689 case R_SH_GOTPLT_MEDLOW16:
4690 case R_SH_GOTPLT_MEDHI16:
4691 case R_SH_GOTPLT_HI16:
4692 case R_SH_GOTPLT10BY4:
4693 case R_SH_GOTPLT10BY8:
4694#endif
4695 if (h != NULL)
4696 {
26e41594
AM
4697 struct elf_sh_link_hash_entry *eh;
4698 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 4699 if (eh->gotplt_refcount > 0)
067653c5 4700 {
396a6083
SC
4701 eh->gotplt_refcount -= 1;
4702 if (h->plt.refcount > 0)
4703 h->plt.refcount -= 1;
067653c5 4704 }
067653c5 4705#ifdef INCLUDE_SHMEDIA
396a6083
SC
4706 else if (seen_stt_datalabel)
4707 {
4708 if (eh->datalabel_got.refcount > 0)
4709 eh->datalabel_got.refcount -= 1;
4710 }
067653c5 4711#endif
396a6083
SC
4712 else if (h->got.refcount > 0)
4713 h->got.refcount -= 1;
4714 }
4715 else if (local_got_refcounts != NULL)
4716 {
067653c5 4717#ifdef INCLUDE_SHMEDIA
396a6083
SC
4718 if (rel->r_addend & 1)
4719 {
4720 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4721 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4722 }
4723 else
067653c5 4724#endif
396a6083
SC
4725 if (local_got_refcounts[r_symndx] > 0)
4726 local_got_refcounts[r_symndx] -= 1;
4727 }
4728 break;
067653c5 4729
396a6083
SC
4730 default:
4731 break;
4732 }
4733 }
067653c5 4734
b34976b6 4735 return TRUE;
252b5132
RH
4736}
4737
067653c5
AM
4738/* Copy the extra info we tack onto an elf_link_hash_entry. */
4739
4740static void
fcfa13d2 4741sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
4742 struct elf_link_hash_entry *dir,
4743 struct elf_link_hash_entry *ind)
067653c5
AM
4744{
4745 struct elf_sh_link_hash_entry *edir, *eind;
4746
4747 edir = (struct elf_sh_link_hash_entry *) dir;
4748 eind = (struct elf_sh_link_hash_entry *) ind;
4749
4750 if (eind->dyn_relocs != NULL)
4751 {
4752 if (edir->dyn_relocs != NULL)
4753 {
4754 struct elf_sh_dyn_relocs **pp;
4755 struct elf_sh_dyn_relocs *p;
4756
fcfa13d2 4757 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
4758 list. Merge any entries against the same section. */
4759 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
4760 {
4761 struct elf_sh_dyn_relocs *q;
4762
4763 for (q = edir->dyn_relocs; q != NULL; q = q->next)
4764 if (q->sec == p->sec)
4765 {
4766 q->pc_count += p->pc_count;
4767 q->count += p->count;
4768 *pp = p->next;
4769 break;
4770 }
4771 if (q == NULL)
4772 pp = &p->next;
4773 }
4774 *pp = edir->dyn_relocs;
4775 }
4776
4777 edir->dyn_relocs = eind->dyn_relocs;
4778 eind->dyn_relocs = NULL;
4779 }
4989d792
SC
4780 edir->gotplt_refcount = eind->gotplt_refcount;
4781 eind->gotplt_refcount = 0;
396a6083 4782#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
4783 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
4784 eind->datalabel_got.refcount = 0;
396a6083 4785#endif
067653c5 4786
3376eaf5
KK
4787 if (ind->root.type == bfd_link_hash_indirect
4788 && dir->got.refcount <= 0)
4789 {
4790 edir->tls_type = eind->tls_type;
4791 eind->tls_type = GOT_UNKNOWN;
4792 }
4793
04e534c3 4794 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
4795 && dir->dynamic_adjusted)
4796 {
4797 /* If called to transfer flags for a weakdef during processing
4798 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
4799 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
4800 dir->ref_dynamic |= ind->ref_dynamic;
4801 dir->ref_regular |= ind->ref_regular;
4802 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
4803 dir->needs_plt |= ind->needs_plt;
4804 }
04e534c3 4805 else
fcfa13d2 4806 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
4807}
4808
3376eaf5 4809static int
09fd220b
KK
4810sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
4811 int is_local)
3376eaf5
KK
4812{
4813 if (info->shared)
4814 return r_type;
4815
4816 switch (r_type)
4817 {
4818 case R_SH_TLS_GD_32:
4819 case R_SH_TLS_IE_32:
4820 if (is_local)
4821 return R_SH_TLS_LE_32;
4822 return R_SH_TLS_IE_32;
4823 case R_SH_TLS_LD_32:
4824 return R_SH_TLS_LE_32;
4825 }
4826
4827 return r_type;
4828}
4829
252b5132
RH
4830/* Look through the relocs for a section during the first phase.
4831 Since we don't do .gots or .plts, we just need to consider the
4832 virtual table relocs for gc. */
435b1e90 4833
b34976b6 4834static bfd_boolean
09fd220b
KK
4835sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
4836 const Elf_Internal_Rela *relocs)
252b5132
RH
4837{
4838 Elf_Internal_Shdr *symtab_hdr;
5582a088 4839 struct elf_link_hash_entry **sym_hashes;
067653c5 4840 struct elf_sh_link_hash_table *htab;
252b5132
RH
4841 const Elf_Internal_Rela *rel;
4842 const Elf_Internal_Rela *rel_end;
37c644f2
AO
4843 bfd_vma *local_got_offsets;
4844 asection *sgot;
4845 asection *srelgot;
4846 asection *sreloc;
3376eaf5
KK
4847 unsigned int r_type;
4848 int tls_type, old_tls_type;
435b1e90 4849
37c644f2
AO
4850 sgot = NULL;
4851 srelgot = NULL;
4852 sreloc = NULL;
4853
1049f94e 4854 if (info->relocatable)
b34976b6 4855 return TRUE;
435b1e90 4856
0ffa91dd
NC
4857 BFD_ASSERT (is_sh_elf (abfd));
4858
4859 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 4860 sym_hashes = elf_sym_hashes (abfd);
435b1e90 4861
067653c5 4862 htab = sh_elf_hash_table (info);
37c644f2
AO
4863 local_got_offsets = elf_local_got_offsets (abfd);
4864
252b5132
RH
4865 rel_end = relocs + sec->reloc_count;
4866 for (rel = relocs; rel < rel_end; rel++)
4867 {
4868 struct elf_link_hash_entry *h;
4869 unsigned long r_symndx;
396a6083
SC
4870#ifdef INCLUDE_SHMEDIA
4871 int seen_stt_datalabel = 0;
4872#endif
435b1e90 4873
252b5132 4874 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
4875 r_type = ELF32_R_TYPE (rel->r_info);
4876
252b5132 4877 if (r_symndx < symtab_hdr->sh_info)
435b1e90 4878 h = NULL;
252b5132 4879 else
396a6083
SC
4880 {
4881 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4882 while (h->root.type == bfd_link_hash_indirect
4883 || h->root.type == bfd_link_hash_warning)
4884 {
973a3492 4885#ifdef INCLUDE_SHMEDIA
396a6083 4886 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 4887#endif
396a6083
SC
4888 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4889 }
396a6083 4890 }
435b1e90 4891
3376eaf5
KK
4892 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4893 if (! info->shared
4894 && r_type == R_SH_TLS_IE_32
4895 && h != NULL
4896 && h->root.type != bfd_link_hash_undefined
4897 && h->root.type != bfd_link_hash_undefweak
4898 && (h->dynindx == -1
f5385ebf 4899 || h->def_regular))
3376eaf5
KK
4900 r_type = R_SH_TLS_LE_32;
4901
37c644f2 4902 /* Some relocs require a global offset table. */
067653c5 4903 if (htab->sgot == NULL)
37c644f2 4904 {
3376eaf5 4905 switch (r_type)
37c644f2 4906 {
fbca6ad9 4907 case R_SH_GOTPLT32:
37c644f2
AO
4908 case R_SH_GOT32:
4909 case R_SH_GOTOFF:
4910 case R_SH_GOTPC:
fbca6ad9
AO
4911#ifdef INCLUDE_SHMEDIA
4912 case R_SH_GOTPLT_LOW16:
4913 case R_SH_GOTPLT_MEDLOW16:
4914 case R_SH_GOTPLT_MEDHI16:
4915 case R_SH_GOTPLT_HI16:
4916 case R_SH_GOTPLT10BY4:
4917 case R_SH_GOTPLT10BY8:
4918 case R_SH_GOT_LOW16:
4919 case R_SH_GOT_MEDLOW16:
4920 case R_SH_GOT_MEDHI16:
4921 case R_SH_GOT_HI16:
4922 case R_SH_GOT10BY4:
4923 case R_SH_GOT10BY8:
4924 case R_SH_GOTOFF_LOW16:
4925 case R_SH_GOTOFF_MEDLOW16:
4926 case R_SH_GOTOFF_MEDHI16:
4927 case R_SH_GOTOFF_HI16:
4928 case R_SH_GOTPC_LOW16:
4929 case R_SH_GOTPC_MEDLOW16:
4930 case R_SH_GOTPC_MEDHI16:
4931 case R_SH_GOTPC_HI16:
4932#endif
3376eaf5
KK
4933 case R_SH_TLS_GD_32:
4934 case R_SH_TLS_LD_32:
4935 case R_SH_TLS_IE_32:
2293c499
AM
4936 if (htab->sgot == NULL)
4937 {
4938 if (htab->root.dynobj == NULL)
4939 htab->root.dynobj = abfd;
4940 if (!create_got_section (htab->root.dynobj, info))
4941 return FALSE;
4942 }
37c644f2
AO
4943 break;
4944
4945 default:
4946 break;
4947 }
4948 }
4949
3376eaf5 4950 switch (r_type)
067653c5
AM
4951 {
4952 /* This relocation describes the C++ object vtable hierarchy.
4953 Reconstruct it for later use during GC. */
435b1e90 4954 case R_SH_GNU_VTINHERIT:
c152c796 4955 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 4956 return FALSE;
435b1e90
KH
4957 break;
4958
067653c5
AM
4959 /* This relocation describes which C++ vtable entries are actually
4960 used. Record for later use during GC. */
435b1e90 4961 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
4962 BFD_ASSERT (h != NULL);
4963 if (h != NULL
4964 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 4965 return FALSE;
435b1e90 4966 break;
37c644f2 4967
3376eaf5
KK
4968 case R_SH_TLS_IE_32:
4969 if (info->shared)
4970 info->flags |= DF_STATIC_TLS;
4971
4972 /* FALLTHROUGH */
267fb3c1 4973 force_got:
3376eaf5 4974 case R_SH_TLS_GD_32:
37c644f2 4975 case R_SH_GOT32:
fbca6ad9
AO
4976#ifdef INCLUDE_SHMEDIA
4977 case R_SH_GOT_LOW16:
4978 case R_SH_GOT_MEDLOW16:
4979 case R_SH_GOT_MEDHI16:
4980 case R_SH_GOT_HI16:
4981 case R_SH_GOT10BY4:
4982 case R_SH_GOT10BY8:
4983#endif
3376eaf5
KK
4984 switch (r_type)
4985 {
4986 default:
4987 tls_type = GOT_NORMAL;
4988 break;
4989 case R_SH_TLS_GD_32:
4990 tls_type = GOT_TLS_GD;
4991 break;
4992 case R_SH_TLS_IE_32:
4993 tls_type = GOT_TLS_IE;
4994 break;
4995 }
4996
37c644f2 4997 if (h != NULL)
3376eaf5 4998 {
396a6083
SC
4999#ifdef INCLUDE_SHMEDIA
5000 if (seen_stt_datalabel)
5001 {
b34976b6
AM
5002 struct elf_sh_link_hash_entry *eh
5003 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5004
5005 eh->datalabel_got.refcount += 1;
5006 }
5007 else
5008#endif
5009 h->got.refcount += 1;
3376eaf5
KK
5010 old_tls_type = sh_elf_hash_entry (h)->tls_type;
5011 }
37c644f2
AO
5012 else
5013 {
067653c5
AM
5014 bfd_signed_vma *local_got_refcounts;
5015
435b1e90 5016 /* This is a global offset table entry for a local
067653c5
AM
5017 symbol. */
5018 local_got_refcounts = elf_local_got_refcounts (abfd);
5019 if (local_got_refcounts == NULL)
37c644f2 5020 {
dc810e39 5021 bfd_size_type size;
37c644f2 5022
dc810e39 5023 size = symtab_hdr->sh_info;
067653c5 5024 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
5025#ifdef INCLUDE_SHMEDIA
5026 /* Reserve space for both the datalabel and
5027 codelabel local GOT offsets. */
5028 size *= 2;
5029#endif
3376eaf5 5030 size += symtab_hdr->sh_info;
067653c5
AM
5031 local_got_refcounts = ((bfd_signed_vma *)
5032 bfd_zalloc (abfd, size));
5033 if (local_got_refcounts == NULL)
b34976b6 5034 return FALSE;
067653c5 5035 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
5036#ifdef INCLUDE_SHMEDIA
5037 /* Take care of both the datalabel and codelabel local
5038 GOT offsets. */
5039 sh_elf_local_got_tls_type (abfd)
5040 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
5041#else
5042 sh_elf_local_got_tls_type (abfd)
5043 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
5044#endif
37c644f2 5045 }
396a6083
SC
5046#ifdef INCLUDE_SHMEDIA
5047 if (rel->r_addend & 1)
5048 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
5049 else
5050#endif
5051 local_got_refcounts[r_symndx] += 1;
3376eaf5
KK
5052 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
5053 }
5054
5055 /* If a TLS symbol is accessed using IE at least once,
5056 there is no point to use dynamic model for it. */
5057 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
5058 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
5059 {
5060 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
5061 tls_type = GOT_TLS_IE;
5062 else
5063 {
5064 (*_bfd_error_handler)
d003868e
AM
5065 (_("%B: `%s' accessed both as normal and thread local symbol"),
5066 abfd, h->root.root.string);
b34976b6 5067 return FALSE;
3376eaf5
KK
5068 }
5069 }
5070
5071 if (old_tls_type != tls_type)
5072 {
5073 if (h != NULL)
5074 sh_elf_hash_entry (h)->tls_type = tls_type;
5075 else
5076 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
37c644f2 5077 }
3376eaf5
KK
5078
5079 break;
5080
5081 case R_SH_TLS_LD_32:
5082 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
5083 break;
5084
fbca6ad9
AO
5085 case R_SH_GOTPLT32:
5086#ifdef INCLUDE_SHMEDIA
5087 case R_SH_GOTPLT_LOW16:
5088 case R_SH_GOTPLT_MEDLOW16:
5089 case R_SH_GOTPLT_MEDHI16:
5090 case R_SH_GOTPLT_HI16:
5091 case R_SH_GOTPLT10BY4:
5092 case R_SH_GOTPLT10BY8:
5093#endif
5094 /* If this is a local symbol, we resolve it directly without
5095 creating a procedure linkage table entry. */
5096
5097 if (h == NULL
f5385ebf 5098 || h->forced_local
fbca6ad9
AO
5099 || ! info->shared
5100 || info->symbolic
067653c5 5101 || h->dynindx == -1)
fbca6ad9
AO
5102 goto force_got;
5103
f5385ebf 5104 h->needs_plt = 1;
067653c5 5105 h->plt.refcount += 1;
4989d792 5106 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
5107
5108 break;
5109
37c644f2 5110 case R_SH_PLT32:
fbca6ad9
AO
5111#ifdef INCLUDE_SHMEDIA
5112 case R_SH_PLT_LOW16:
5113 case R_SH_PLT_MEDLOW16:
5114 case R_SH_PLT_MEDHI16:
5115 case R_SH_PLT_HI16:
5116#endif
37c644f2
AO
5117 /* This symbol requires a procedure linkage table entry. We
5118 actually build the entry in adjust_dynamic_symbol,
5119 because this might be a case of linking PIC code which is
5120 never referenced by a dynamic object, in which case we
5121 don't need to generate a procedure linkage table entry
5122 after all. */
5123
5124 /* If this is a local symbol, we resolve it directly without
5125 creating a procedure linkage table entry. */
5126 if (h == NULL)
5127 continue;
5128
f5385ebf 5129 if (h->forced_local)
37c644f2
AO
5130 break;
5131
f5385ebf 5132 h->needs_plt = 1;
067653c5 5133 h->plt.refcount += 1;
37c644f2
AO
5134 break;
5135
5136 case R_SH_DIR32:
5137 case R_SH_REL32:
46e993b9
KK
5138#ifdef INCLUDE_SHMEDIA
5139 case R_SH_IMM_LOW16_PCREL:
5140 case R_SH_IMM_MEDLOW16_PCREL:
5141 case R_SH_IMM_MEDHI16_PCREL:
5142 case R_SH_IMM_HI16_PCREL:
5143#endif
067653c5
AM
5144 if (h != NULL && ! info->shared)
5145 {
f5385ebf 5146 h->non_got_ref = 1;
067653c5
AM
5147 h->plt.refcount += 1;
5148 }
37c644f2
AO
5149
5150 /* If we are creating a shared library, and this is a reloc
5151 against a global symbol, or a non PC relative reloc
5152 against a local symbol, then we need to copy the reloc
5153 into the shared library. However, if we are linking with
5154 -Bsymbolic, we do not need to copy a reloc against a
5155 global symbol which is defined in an object we are
5156 including in the link (i.e., DEF_REGULAR is set). At
5157 this point we have not seen all the input files, so it is
5158 possible that DEF_REGULAR is not set now but will be set
5159 later (it is never cleared). We account for that
5160 possibility below by storing information in the
067653c5
AM
5161 dyn_relocs field of the hash table entry. A similar
5162 situation occurs when creating shared libraries and symbol
5163 visibility changes render the symbol local.
5164
5165 If on the other hand, we are creating an executable, we
5166 may need to keep relocations for symbols satisfied by a
5167 dynamic library if we manage to avoid copy relocs for the
5168 symbol. */
5169 if ((info->shared
5170 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 5171 && (r_type != R_SH_REL32
067653c5
AM
5172 || (h != NULL
5173 && (! info->symbolic
5174 || h->root.type == bfd_link_hash_defweak
f5385ebf 5175 || !h->def_regular))))
067653c5
AM
5176 || (! info->shared
5177 && (sec->flags & SEC_ALLOC) != 0
5178 && h != NULL
5179 && (h->root.type == bfd_link_hash_defweak
f5385ebf 5180 || !h->def_regular)))
37c644f2 5181 {
067653c5
AM
5182 struct elf_sh_dyn_relocs *p;
5183 struct elf_sh_dyn_relocs **head;
5184
2293c499
AM
5185 if (htab->root.dynobj == NULL)
5186 htab->root.dynobj = abfd;
067653c5 5187
37c644f2
AO
5188 /* When creating a shared object, we must copy these
5189 reloc types into the output file. We create a reloc
5190 section in dynobj and make room for this reloc. */
5191 if (sreloc == NULL)
5192 {
83bac4b0
NC
5193 sreloc = _bfd_elf_make_dynamic_reloc_section
5194 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
37c644f2 5195
37c644f2 5196 if (sreloc == NULL)
83bac4b0 5197 return FALSE;
37c644f2
AO
5198 }
5199
067653c5
AM
5200 /* If this is a global symbol, we count the number of
5201 relocations we need for this symbol. */
5202 if (h != NULL)
5203 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5204 else
37c644f2 5205 {
87d72d41 5206 /* Track dynamic relocs needed for local syms too. */
067653c5 5207 asection *s;
6edfbbad 5208 void *vpp;
87d72d41 5209 Elf_Internal_Sym *isym;
37c644f2 5210
87d72d41
AM
5211 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
5212 abfd, r_symndx);
5213 if (isym == NULL)
b34976b6 5214 return FALSE;
37c644f2 5215
87d72d41
AM
5216 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
5217 if (s == NULL)
5218 s = sec;
5219
6edfbbad
DJ
5220 vpp = &elf_section_data (s)->local_dynrel;
5221 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 5222 }
37c644f2 5223
067653c5
AM
5224 p = *head;
5225 if (p == NULL || p->sec != sec)
5226 {
5227 bfd_size_type amt = sizeof (*p);
2293c499 5228 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 5229 if (p == NULL)
b34976b6 5230 return FALSE;
067653c5
AM
5231 p->next = *head;
5232 *head = p;
5233 p->sec = sec;
5234 p->count = 0;
5235 p->pc_count = 0;
37c644f2 5236 }
067653c5
AM
5237
5238 p->count += 1;
46e993b9
KK
5239 if (r_type == R_SH_REL32
5240#ifdef INCLUDE_SHMEDIA
5241 || r_type == R_SH_IMM_LOW16_PCREL
5242 || r_type == R_SH_IMM_MEDLOW16_PCREL
5243 || r_type == R_SH_IMM_MEDHI16_PCREL
5244 || r_type == R_SH_IMM_HI16_PCREL
5245#endif
5246 )
067653c5 5247 p->pc_count += 1;
37c644f2
AO
5248 }
5249
5250 break;
3376eaf5
KK
5251
5252 case R_SH_TLS_LE_32:
5253 if (info->shared)
5254 {
d003868e
AM
5255 (*_bfd_error_handler)
5256 (_("%B: TLS local exec code cannot be linked into shared objects"),
5257 abfd);
b34976b6 5258 return FALSE;
3376eaf5
KK
5259 }
5260
267fb3c1 5261 break;
3376eaf5 5262
3376eaf5 5263 case R_SH_TLS_LDO_32:
267fb3c1 5264 /* Nothing to do. */
3376eaf5
KK
5265 break;
5266
5267 default:
5268 break;
435b1e90 5269 }
252b5132 5270 }
435b1e90 5271
b34976b6 5272 return TRUE;
252b5132
RH
5273}
5274
fbca6ad9 5275#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
5276static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5277
b34976b6 5278static bfd_boolean
09fd220b 5279sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 5280{
f6f9408f
JR
5281 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5282
5283 if (flags >= sizeof(sh_ef_bfd_table))
5284 return FALSE;
5285
5286 if (sh_ef_bfd_table[flags] == 0)
5287 return FALSE;
5288
5289 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 5290
b34976b6 5291 return TRUE;
d4845d57 5292}
f6f9408f
JR
5293
5294
5295/* Reverse table lookup for sh_ef_bfd_table[].
5296 Given a bfd MACH value from archures.c
5297 return the equivalent ELF flags from the table.
5298 Return -1 if no match is found. */
5299
5300int
5301sh_elf_get_flags_from_mach (unsigned long mach)
5302{
4195f552 5303 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
f6f9408f
JR
5304
5305 for (; i>0; i--)
5306 if (sh_ef_bfd_table[i] == mach)
5307 return i;
5308
5309 /* shouldn't get here */
5310 BFD_FAIL();
5311
5312 return -1;
5313}
fbca6ad9 5314#endif /* not sh_elf_set_mach_from_flags */
d4845d57 5315
fbca6ad9 5316#ifndef sh_elf_set_private_flags
435b1e90
KH
5317/* Function to keep SH specific file flags. */
5318
b34976b6 5319static bfd_boolean
09fd220b 5320sh_elf_set_private_flags (bfd *abfd, flagword flags)
d4845d57
JR
5321{
5322 BFD_ASSERT (! elf_flags_init (abfd)
5323 || elf_elfheader (abfd)->e_flags == flags);
5324
5325 elf_elfheader (abfd)->e_flags = flags;
b34976b6 5326 elf_flags_init (abfd) = TRUE;
d4845d57
JR
5327 return sh_elf_set_mach_from_flags (abfd);
5328}
fbca6ad9 5329#endif /* not sh_elf_set_private_flags */
d4845d57 5330
fbca6ad9 5331#ifndef sh_elf_copy_private_data
d4845d57 5332/* Copy backend specific data from one object module to another */
435b1e90 5333
b34976b6 5334static bfd_boolean
09fd220b 5335sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 5336{
104d59d1
JM
5337 /* Copy object attributes. */
5338 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5339
0ffa91dd
NC
5340 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5341 return TRUE;
5342
d4845d57
JR
5343 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
5344}
fbca6ad9 5345#endif /* not sh_elf_copy_private_data */
d4845d57 5346
fbca6ad9 5347#ifndef sh_elf_merge_private_data
d4845d57 5348
f6f9408f
JR
5349/* This function returns the ELF architecture number that
5350 corresponds to the given arch_sh* flags. */
85fbca6a 5351
f6f9408f
JR
5352int
5353sh_find_elf_flags (unsigned int arch_set)
d4845d57 5354{
85fbca6a 5355 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 5356 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 5357
f6f9408f
JR
5358 return sh_elf_get_flags_from_mach (bfd_mach);
5359}
f6f9408f
JR
5360
5361/* This routine initialises the elf flags when required and
5362 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 5363
f6f9408f
JR
5364static bfd_boolean
5365sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
5366{
85fbca6a
NC
5367 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
5368
0ffa91dd 5369 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 5370 return TRUE;
d4845d57
JR
5371
5372 if (! elf_flags_init (obfd))
5373 {
a39b79b9 5374 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 5375 elf_flags_init (obfd) = TRUE;
a39b79b9 5376 elf_elfheader (obfd)->e_flags = EF_SH1;
f6f9408f 5377 sh_elf_set_mach_from_flags (obfd);
d4845d57 5378 }
d4845d57 5379
85fbca6a 5380 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 5381 {
d003868e 5382 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 5383 "with instructions used in previous modules",
d003868e 5384 ibfd);
1d70c7fb
AO
5385 bfd_set_error (bfd_error_bad_value);
5386 return FALSE;
5387 }
f6f9408f
JR
5388
5389 elf_elfheader (obfd)->e_flags =
5390 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
5391
5392 return TRUE;
d4845d57 5393}
fbca6ad9 5394#endif /* not sh_elf_merge_private_data */
d4845d57 5395
3376eaf5
KK
5396/* Override the generic function because we need to store sh_elf_obj_tdata
5397 as the specific tdata. We set also the machine architecture from flags
5398 here. */
5399
b34976b6 5400static bfd_boolean
09fd220b 5401sh_elf_object_p (bfd *abfd)
3376eaf5 5402{
66becf32 5403 return sh_elf_set_mach_from_flags (abfd);
3376eaf5
KK
5404}
5405
37c644f2
AO
5406/* Finish up dynamic symbol handling. We set the contents of various
5407 dynamic sections here. */
5408
b34976b6 5409static bfd_boolean
09fd220b
KK
5410sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
5411 struct elf_link_hash_entry *h,
5412 Elf_Internal_Sym *sym)
37c644f2 5413{
067653c5 5414 struct elf_sh_link_hash_table *htab;
37c644f2 5415
067653c5 5416 htab = sh_elf_hash_table (info);
37c644f2
AO
5417
5418 if (h->plt.offset != (bfd_vma) -1)
5419 {
5420 asection *splt;
5421 asection *sgot;
5422 asection *srel;
5423
5424 bfd_vma plt_index;
5425 bfd_vma got_offset;
5426 Elf_Internal_Rela rel;
947216bf 5427 bfd_byte *loc;
37c644f2
AO
5428
5429 /* This symbol has an entry in the procedure linkage table. Set
5430 it up. */
5431
5432 BFD_ASSERT (h->dynindx != -1);
5433
067653c5
AM
5434 splt = htab->splt;
5435 sgot = htab->sgotplt;
5436 srel = htab->srelplt;
37c644f2
AO
5437 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5438
5439 /* Get the index in the procedure linkage table which
5440 corresponds to this symbol. This is the index of this symbol
5441 in all the symbols for which we are making plt entries. The
5442 first entry in the procedure linkage table is reserved. */
55e6e397 5443 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2
AO
5444
5445 /* Get the offset into the .got table of the entry that
5446 corresponds to this function. Each .got entry is 4 bytes.
5447 The first three are reserved. */
5448 got_offset = (plt_index + 3) * 4;
5449
fbca6ad9 5450#ifdef GOT_BIAS
c8614e8e
AM
5451 if (info->shared)
5452 got_offset -= GOT_BIAS;
fbca6ad9
AO
5453#endif
5454
37c644f2 5455 /* Fill in the entry in the procedure linkage table. */
55e6e397
RS
5456 memcpy (splt->contents + h->plt.offset,
5457 htab->plt_info->symbol_entry,
5458 htab->plt_info->symbol_entry_size);
5459
5460 if (info->shared)
5461 install_plt_field (output_bfd, FALSE, got_offset,
5462 (splt->contents
5463 + h->plt.offset
5464 + htab->plt_info->symbol_fields.got_entry));
5465 else
37c644f2 5466 {
55e6e397 5467 install_plt_field (output_bfd, FALSE,
fbca6ad9
AO
5468 (sgot->output_section->vma
5469 + sgot->output_offset
5470 + got_offset),
55e6e397
RS
5471 (splt->contents
5472 + h->plt.offset
5473 + htab->plt_info->symbol_fields.got_entry));
5474 if (htab->vxworks_p)
37c644f2 5475 {
55e6e397
RS
5476 unsigned int reachable_plts, plts_per_4k;
5477 int distance;
5478
5479 /* Divide the PLT into groups. The first group contains
5480 REACHABLE_PLTS entries and the other groups contain
5481 PLTS_PER_4K entries. Entries in the first group can
5482 branch directly to .plt; those in later groups branch
5483 to the last element of the previous group. */
5484 /* ??? It would be better to create multiple copies of
5485 the common resolver stub. */
5486 reachable_plts = ((4096
5487 - htab->plt_info->plt0_entry_size
5488 - (htab->plt_info->symbol_fields.plt + 4))
5489 / htab->plt_info->symbol_entry_size) + 1;
5490 plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
5491 if (plt_index < reachable_plts)
5492 distance = -(h->plt.offset
5493 + htab->plt_info->symbol_fields.plt);
5494 else
5495 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
5496 * htab->plt_info->symbol_entry_size);
5497
5498 /* Install the 'bra' with this offset. */
5499 bfd_put_16 (output_bfd,
5500 0xa000 | (0x0fff & ((distance - 4) / 2)),
5501 (splt->contents
5502 + h->plt.offset
5503 + htab->plt_info->symbol_fields.plt));
37c644f2 5504 }
55e6e397
RS
5505 else
5506 install_plt_field (output_bfd, TRUE,
5507 splt->output_section->vma + splt->output_offset,
5508 (splt->contents
5509 + h->plt.offset
5510 + htab->plt_info->symbol_fields.plt));
37c644f2
AO
5511 }
5512
fbca6ad9 5513#ifdef GOT_BIAS
c8614e8e
AM
5514 if (info->shared)
5515 got_offset += GOT_BIAS;
fbca6ad9
AO
5516#endif
5517
55e6e397 5518 install_plt_field (output_bfd, FALSE,
fbca6ad9 5519 plt_index * sizeof (Elf32_External_Rela),
55e6e397
RS
5520 (splt->contents
5521 + h->plt.offset
5522 + htab->plt_info->symbol_fields.reloc_offset));
37c644f2
AO
5523
5524 /* Fill in the entry in the global offset table. */
5525 bfd_put_32 (output_bfd,
5526 (splt->output_section->vma
5527 + splt->output_offset
5528 + h->plt.offset
55e6e397 5529 + htab->plt_info->symbol_resolve_offset),
37c644f2
AO
5530 sgot->contents + got_offset);
5531
5532 /* Fill in the entry in the .rela.plt section. */
5533 rel.r_offset = (sgot->output_section->vma
5534 + sgot->output_offset
5535 + got_offset);
5536 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
5537 rel.r_addend = 0;
fbca6ad9
AO
5538#ifdef GOT_BIAS
5539 rel.r_addend = GOT_BIAS;
5540#endif
947216bf
AM
5541 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
5542 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 5543
55e6e397
RS
5544 if (htab->vxworks_p && !info->shared)
5545 {
5546 /* Create the .rela.plt.unloaded relocations for this PLT entry.
5547 Begin by pointing LOC to the first such relocation. */
5548 loc = (htab->srelplt2->contents
5549 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
5550
5551 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
5552 for the PLT entry's pointer to the .got.plt entry. */
5553 rel.r_offset = (htab->splt->output_section->vma
5554 + htab->splt->output_offset
5555 + h->plt.offset
5556 + htab->plt_info->symbol_fields.got_entry);
5557 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5558 rel.r_addend = got_offset;
5559 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5560 loc += sizeof (Elf32_External_Rela);
5561
5562 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
5563 the .got.plt entry, which initially points to .plt. */
5564 rel.r_offset = (htab->sgotplt->output_section->vma
5565 + htab->sgotplt->output_offset
5566 + got_offset);
5567 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
5568 rel.r_addend = 0;
5569 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5570 }
5571
f5385ebf 5572 if (!h->def_regular)
37c644f2
AO
5573 {
5574 /* Mark the symbol as undefined, rather than as defined in
5575 the .plt section. Leave the value alone. */
5576 sym->st_shndx = SHN_UNDEF;
5577 }
5578 }
5579
3376eaf5
KK
5580 if (h->got.offset != (bfd_vma) -1
5581 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
5582 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
37c644f2
AO
5583 {
5584 asection *sgot;
5585 asection *srel;
5586 Elf_Internal_Rela rel;
947216bf 5587 bfd_byte *loc;
37c644f2
AO
5588
5589 /* This symbol has an entry in the global offset table. Set it
5590 up. */
5591
067653c5
AM
5592 sgot = htab->sgot;
5593 srel = htab->srelgot;
37c644f2
AO
5594 BFD_ASSERT (sgot != NULL && srel != NULL);
5595
5596 rel.r_offset = (sgot->output_section->vma
5597 + sgot->output_offset
dc810e39 5598 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 5599
067653c5
AM
5600 /* If this is a static link, or it is a -Bsymbolic link and the
5601 symbol is defined locally or was forced to be local because
5602 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
5603 The entry in the global offset table will already have been
5604 initialized in the relocate_section function. */
5605 if (info->shared
3d85aebe 5606 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2
AO
5607 {
5608 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5609 rel.r_addend = (h->root.u.def.value
5610 + h->root.u.def.section->output_section->vma
5611 + h->root.u.def.section->output_offset);
5612 }
5613 else
5614 {
5615 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5616 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5617 rel.r_addend = 0;
5618 }
5619
947216bf
AM
5620 loc = srel->contents;
5621 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5622 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5623 }
5624
396a6083
SC
5625#ifdef INCLUDE_SHMEDIA
5626 {
5627 struct elf_sh_link_hash_entry *eh;
5628
5629 eh = (struct elf_sh_link_hash_entry *) h;
5630 if (eh->datalabel_got.offset != (bfd_vma) -1)
5631 {
5632 asection *sgot;
5633 asection *srel;
5634 Elf_Internal_Rela rel;
947216bf 5635 bfd_byte *loc;
396a6083
SC
5636
5637 /* This symbol has a datalabel entry in the global offset table.
5638 Set it up. */
5639
5640 sgot = htab->sgot;
5641 srel = htab->srelgot;
5642 BFD_ASSERT (sgot != NULL && srel != NULL);
5643
5644 rel.r_offset = (sgot->output_section->vma
5645 + sgot->output_offset
5646 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
5647
5648 /* If this is a static link, or it is a -Bsymbolic link and the
5649 symbol is defined locally or was forced to be local because
5650 of a version file, we just want to emit a RELATIVE reloc.
5651 The entry in the global offset table will already have been
5652 initialized in the relocate_section function. */
5653 if (info->shared
3d85aebe 5654 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083
SC
5655 {
5656 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5657 rel.r_addend = (h->root.u.def.value
5658 + h->root.u.def.section->output_section->vma
5659 + h->root.u.def.section->output_offset);
5660 }
5661 else
5662 {
5663 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
5664 + eh->datalabel_got.offset);
5665 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5666 rel.r_addend = 0;
5667 }
5668
947216bf
AM
5669 loc = srel->contents;
5670 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5671 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
5672 }
5673 }
5674#endif
5675
f5385ebf 5676 if (h->needs_copy)
37c644f2
AO
5677 {
5678 asection *s;
5679 Elf_Internal_Rela rel;
947216bf 5680 bfd_byte *loc;
37c644f2
AO
5681
5682 /* This symbol needs a copy reloc. Set it up. */
5683
5684 BFD_ASSERT (h->dynindx != -1
5685 && (h->root.type == bfd_link_hash_defined
5686 || h->root.type == bfd_link_hash_defweak));
5687
5688 s = bfd_get_section_by_name (h->root.u.def.section->owner,
5689 ".rela.bss");
5690 BFD_ASSERT (s != NULL);
5691
5692 rel.r_offset = (h->root.u.def.value
5693 + h->root.u.def.section->output_section->vma
5694 + h->root.u.def.section->output_offset);
5695 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
5696 rel.r_addend = 0;
947216bf
AM
5697 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
5698 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5699 }
5700
55e6e397
RS
5701 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
5702 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
5703 ".got" section. */
37c644f2 5704 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
55e6e397 5705 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
5706 sym->st_shndx = SHN_ABS;
5707
b34976b6 5708 return TRUE;
37c644f2
AO
5709}
5710
5711/* Finish up the dynamic sections. */
5712
b34976b6 5713static bfd_boolean
09fd220b 5714sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 5715{
067653c5 5716 struct elf_sh_link_hash_table *htab;
37c644f2
AO
5717 asection *sgot;
5718 asection *sdyn;
5719
067653c5 5720 htab = sh_elf_hash_table (info);
067653c5 5721 sgot = htab->sgotplt;
2293c499 5722 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
37c644f2 5723
067653c5 5724 if (htab->root.dynamic_sections_created)
37c644f2
AO
5725 {
5726 asection *splt;
5727 Elf32_External_Dyn *dyncon, *dynconend;
5728
067653c5 5729 BFD_ASSERT (sgot != NULL && sdyn != NULL);
37c644f2
AO
5730
5731 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 5732 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
5733 for (; dyncon < dynconend; dyncon++)
5734 {
5735 Elf_Internal_Dyn dyn;
37c644f2 5736 asection *s;
067653c5
AM
5737#ifdef INCLUDE_SHMEDIA
5738 const char *name;
5739#endif
37c644f2 5740
2293c499 5741 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
5742
5743 switch (dyn.d_tag)
5744 {
5745 default:
7a2b07ff
NS
5746 if (htab->vxworks_p
5747 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
5748 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
5749 break;
5750
3b587c71
AM
5751#ifdef INCLUDE_SHMEDIA
5752 case DT_INIT:
5753 name = info->init_function;
5754 goto get_sym;
5755
5756 case DT_FINI:
5757 name = info->fini_function;
5758 get_sym:
5759 if (dyn.d_un.d_val != 0)
5760 {
067653c5
AM
5761 struct elf_link_hash_entry *h;
5762
5763 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 5764 FALSE, FALSE, TRUE);
3b587c71
AM
5765 if (h != NULL && (h->other & STO_SH5_ISA32))
5766 {
5767 dyn.d_un.d_val |= 1;
5768 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5769 }
5770 }
5771 break;
5772#endif
5773
37c644f2 5774 case DT_PLTGOT:
067653c5 5775 s = htab->sgot->output_section;
37c644f2
AO
5776 goto get_vma;
5777
5778 case DT_JMPREL:
067653c5 5779 s = htab->srelplt->output_section;
37c644f2 5780 get_vma:
37c644f2
AO
5781 BFD_ASSERT (s != NULL);
5782 dyn.d_un.d_ptr = s->vma;
5783 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5784 break;
5785
5786 case DT_PLTRELSZ:
067653c5 5787 s = htab->srelplt->output_section;
37c644f2 5788 BFD_ASSERT (s != NULL);
eea6121a 5789 dyn.d_un.d_val = s->size;
37c644f2
AO
5790 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5791 break;
5792
5793 case DT_RELASZ:
5794 /* My reading of the SVR4 ABI indicates that the
5795 procedure linkage table relocs (DT_JMPREL) should be
5796 included in the overall relocs (DT_RELA). This is
5797 what Solaris does. However, UnixWare can not handle
5798 that case. Therefore, we override the DT_RELASZ entry
5799 here to make it not include the JMPREL relocs. Since
5800 the linker script arranges for .rela.plt to follow all
5801 other relocation sections, we don't have to worry
5802 about changing the DT_RELA entry. */
067653c5 5803 if (htab->srelplt != NULL)
37c644f2 5804 {
067653c5 5805 s = htab->srelplt->output_section;
eea6121a 5806 dyn.d_un.d_val -= s->size;
37c644f2
AO
5807 }
5808 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5809 break;
5810 }
5811 }
5812
5813 /* Fill in the first entry in the procedure linkage table. */
067653c5 5814 splt = htab->splt;
55e6e397 5815 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 5816 {
55e6e397
RS
5817 unsigned int i;
5818
5819 memcpy (splt->contents,
5820 htab->plt_info->plt0_entry,
5821 htab->plt_info->plt0_entry_size);
5822 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
5823 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
5824 install_plt_field (output_bfd, FALSE,
5825 (sgot->output_section->vma
5826 + sgot->output_offset
5827 + (i * 4)),
5828 (splt->contents
5829 + htab->plt_info->plt0_got_fields[i]));
5830
5831 if (htab->vxworks_p)
37c644f2 5832 {
55e6e397
RS
5833 /* Finalize the .rela.plt.unloaded contents. */
5834 Elf_Internal_Rela rel;
5835 bfd_byte *loc;
5836
5837 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
5838 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
5839 loc = htab->srelplt2->contents;
5840 rel.r_offset = (splt->output_section->vma
5841 + splt->output_offset
5842 + htab->plt_info->plt0_got_fields[2]);
5843 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5844 rel.r_addend = 8;
5845 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5846 loc += sizeof (Elf32_External_Rela);
5847
5848 /* Fix up the remaining .rela.plt.unloaded relocations.
5849 They may have the wrong symbol index for _G_O_T_ or
5850 _P_L_T_ depending on the order in which symbols were
5851 output. */
5852 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 5853 {
55e6e397
RS
5854 /* The PLT entry's pointer to the .got.plt slot. */
5855 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5856 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
5857 R_SH_DIR32);
5858 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5859 loc += sizeof (Elf32_External_Rela);
5860
5861 /* The .got.plt slot's pointer to .plt. */
5862 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5863 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
5864 R_SH_DIR32);
5865 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5866 loc += sizeof (Elf32_External_Rela);
37c644f2 5867 }
37c644f2
AO
5868 }
5869
5870 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5871 really seem like the right value. */
5872 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
5873 }
5874 }
5875
5876 /* Fill in the first three entries in the global offset table. */
eea6121a 5877 if (sgot && sgot->size > 0)
37c644f2
AO
5878 {
5879 if (sdyn == NULL)
5880 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5881 else
5882 bfd_put_32 (output_bfd,
5883 sdyn->output_section->vma + sdyn->output_offset,
5884 sgot->contents);
5885 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5886 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
37c644f2 5887
067653c5
AM
5888 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5889 }
37c644f2 5890
b34976b6 5891 return TRUE;
37c644f2
AO
5892}
5893
99e4ae17 5894static enum elf_reloc_type_class
09fd220b 5895sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
99e4ae17 5896{
f51e552e 5897 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
5898 {
5899 case R_SH_RELATIVE:
5900 return reloc_class_relative;
5901 case R_SH_JMP_SLOT:
5902 return reloc_class_plt;
5903 case R_SH_COPY:
5904 return reloc_class_copy;
5905 default:
5906 return reloc_class_normal;
5907 }
5908}
5909
85fbca6a 5910#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 5911/* Support for Linux core dump NOTE sections. */
85fbca6a 5912
b34976b6 5913static bfd_boolean
09fd220b 5914elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5915{
5916 int offset;
eea6121a 5917 unsigned int size;
2bc3c89a
AM
5918
5919 switch (note->descsz)
5920 {
5921 default:
b34976b6 5922 return FALSE;
2bc3c89a
AM
5923
5924 case 168: /* Linux/SH */
5925 /* pr_cursig */
5926 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5927
5928 /* pr_pid */
5929 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5930
5931 /* pr_reg */
5932 offset = 72;
eea6121a 5933 size = 92;
2bc3c89a
AM
5934
5935 break;
5936 }
5937
5938 /* Make a ".reg/999" section. */
5939 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 5940 size, note->descpos + offset);
2bc3c89a
AM
5941}
5942
b34976b6 5943static bfd_boolean
09fd220b 5944elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5945{
5946 switch (note->descsz)
5947 {
5948 default:
b34976b6 5949 return FALSE;
2bc3c89a
AM
5950
5951 case 124: /* Linux/SH elf_prpsinfo */
5952 elf_tdata (abfd)->core_program
5953 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
5954 elf_tdata (abfd)->core_command
5955 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
5956 }
5957
5958 /* Note that for some reason, a spurious space is tacked
5959 onto the end of the args in some (at least one anyway)
5960 implementations, so strip it off if it exists. */
5961
5962 {
5963 char *command = elf_tdata (abfd)->core_command;
5964 int n = strlen (command);
5965
5966 if (0 < n && command[n - 1] == ' ')
5967 command[n - 1] = '\0';
5968 }
5969
b34976b6 5970 return TRUE;
2bc3c89a 5971}
85fbca6a 5972#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 5973
1f1799d5
KK
5974
5975/* Return address for Ith PLT stub in section PLT, for relocation REL
5976 or (bfd_vma) -1 if it should not be included. */
5977
5978static bfd_vma
5979sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
5980 const arelent *rel ATTRIBUTE_UNUSED)
5981{
55e6e397
RS
5982 const struct elf_sh_plt_info *plt_info;
5983
5984 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
5985 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
5986}
5987
85fbca6a 5988#if !defined SH_TARGET_ALREADY_DEFINED
252b5132
RH
5989#define TARGET_BIG_SYM bfd_elf32_sh_vec
5990#define TARGET_BIG_NAME "elf32-sh"
5991#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
5992#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
5993#endif
5994
252b5132
RH
5995#define ELF_ARCH bfd_arch_sh
5996#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
5997#ifdef __QNXTARGET__
5998#define ELF_MAXPAGESIZE 0x1000
5999#else
6000#define ELF_MAXPAGESIZE 0x80
6001#endif
252b5132
RH
6002
6003#define elf_symbol_leading_char '_'
6004
6005#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
6006#define bfd_elf32_bfd_reloc_name_lookup \
6007 sh_elf_reloc_name_lookup
252b5132
RH
6008#define elf_info_to_howto sh_elf_info_to_howto
6009#define bfd_elf32_bfd_relax_section sh_elf_relax_section
6010#define elf_backend_relocate_section sh_elf_relocate_section
6011#define bfd_elf32_bfd_get_relocated_section_contents \
6012 sh_elf_get_relocated_section_contents
3376eaf5
KK
6013#define bfd_elf32_mkobject sh_elf_mkobject
6014#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
6015#define bfd_elf32_bfd_set_private_bfd_flags \
6016 sh_elf_set_private_flags
6017#define bfd_elf32_bfd_copy_private_bfd_data \
6018 sh_elf_copy_private_data
875f7f69 6019#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 6020 sh_elf_merge_private_data
252b5132 6021
067653c5
AM
6022#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
6023#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
6024#define elf_backend_check_relocs sh_elf_check_relocs
6025#define elf_backend_copy_indirect_symbol \
6026 sh_elf_copy_indirect_symbol
37c644f2
AO
6027#define elf_backend_create_dynamic_sections \
6028 sh_elf_create_dynamic_sections
6029#define bfd_elf32_bfd_link_hash_table_create \
6030 sh_elf_link_hash_table_create
6031#define elf_backend_adjust_dynamic_symbol \
6032 sh_elf_adjust_dynamic_symbol
55e6e397
RS
6033#define elf_backend_always_size_sections \
6034 sh_elf_always_size_sections
37c644f2
AO
6035#define elf_backend_size_dynamic_sections \
6036 sh_elf_size_dynamic_sections
74541ad4
AM
6037#define elf_backend_omit_section_dynsym \
6038 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
37c644f2
AO
6039#define elf_backend_finish_dynamic_symbol \
6040 sh_elf_finish_dynamic_symbol
6041#define elf_backend_finish_dynamic_sections \
6042 sh_elf_finish_dynamic_sections
99e4ae17 6043#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 6044#define elf_backend_plt_sym_val sh_elf_plt_sym_val
37c644f2 6045
067653c5
AM
6046#define elf_backend_can_gc_sections 1
6047#define elf_backend_can_refcount 1
37c644f2
AO
6048#define elf_backend_want_got_plt 1
6049#define elf_backend_plt_readonly 1
6050#define elf_backend_want_plt_sym 0
6051#define elf_backend_got_header_size 12
ed71e111 6052
85fbca6a 6053#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 6054
252b5132 6055#include "elf32-target.h"
ed71e111 6056
2bc3c89a
AM
6057/* NetBSD support. */
6058#undef TARGET_BIG_SYM
6059#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
6060#undef TARGET_BIG_NAME
6061#define TARGET_BIG_NAME "elf32-sh-nbsd"
6062#undef TARGET_LITTLE_SYM
6063#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
6064#undef TARGET_LITTLE_NAME
6065#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6066#undef ELF_MAXPAGESIZE
6067#define ELF_MAXPAGESIZE 0x10000
24718e3b 6068#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
6069#undef elf_symbol_leading_char
6070#define elf_symbol_leading_char 0
571fe01f 6071#undef elf32_bed
2bc3c89a
AM
6072#define elf32_bed elf32_sh_nbsd_bed
6073
6074#include "elf32-target.h"
6075
2bc3c89a
AM
6076
6077/* Linux support. */
6078#undef TARGET_BIG_SYM
6079#define TARGET_BIG_SYM bfd_elf32_shblin_vec
6080#undef TARGET_BIG_NAME
6081#define TARGET_BIG_NAME "elf32-shbig-linux"
6082#undef TARGET_LITTLE_SYM
6083#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
6084#undef TARGET_LITTLE_NAME
6085#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
6086#undef ELF_COMMONPAGESIZE
6087#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
6088
6089#undef elf_backend_grok_prstatus
6090#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6091#undef elf_backend_grok_psinfo
6092#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 6093#undef elf32_bed
2bc3c89a
AM
6094#define elf32_bed elf32_sh_lin_bed
6095
6096#include "elf32-target.h"
6097
55e6e397
RS
6098#undef TARGET_BIG_SYM
6099#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
6100#undef TARGET_BIG_NAME
6101#define TARGET_BIG_NAME "elf32-sh-vxworks"
6102#undef TARGET_LITTLE_SYM
6103#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
6104#undef TARGET_LITTLE_NAME
6105#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6106#undef elf32_bed
6107#define elf32_bed elf32_sh_vxworks_bed
6108
6109#undef elf_backend_want_plt_sym
6110#define elf_backend_want_plt_sym 1
6111#undef elf_symbol_leading_char
6112#define elf_symbol_leading_char '_'
6113#define elf_backend_want_got_underscore 1
6114#undef elf_backend_grok_prstatus
6115#undef elf_backend_grok_psinfo
6116#undef elf_backend_add_symbol_hook
6117#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6118#undef elf_backend_link_output_symbol_hook
6119#define elf_backend_link_output_symbol_hook \
6120 elf_vxworks_link_output_symbol_hook
6121#undef elf_backend_emit_relocs
6122#define elf_backend_emit_relocs elf_vxworks_emit_relocs
6123#undef elf_backend_final_write_processing
6124#define elf_backend_final_write_processing \
6125 elf_vxworks_final_write_processing
6126#undef ELF_MAXPAGESIZE
6127#define ELF_MAXPAGESIZE 0x1000
6128#undef ELF_COMMONPAGESIZE
6129
6130#include "elf32-target.h"
6131
85fbca6a 6132#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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