include/elf/
[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
CommitLineData
ef230218 1/* Renesas / SuperH SH specific support for 32-bit ELF
22d606e9 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
0ffa91dd 3 2006, 2007, 2008 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
067653c5
AM
2190 /* Small local sym to section mapping cache. */
2191 struct sym_sec_cache sym_sec;
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;
067653c5 2284 ret->sym_sec.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");
2306 if (! htab->sgot || ! htab->sgotplt)
2307 abort ();
2308
3496cb2a
L
2309 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
2310 (SEC_ALLOC | SEC_LOAD
2311 | SEC_HAS_CONTENTS
2312 | SEC_IN_MEMORY
2313 | SEC_LINKER_CREATED
2314 | SEC_READONLY));
067653c5 2315 if (htab->srelgot == NULL
067653c5 2316 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
b34976b6
AM
2317 return FALSE;
2318 return TRUE;
067653c5
AM
2319}
2320
37c644f2
AO
2321/* Create dynamic sections when linking against a dynamic object. */
2322
b34976b6 2323static bfd_boolean
09fd220b 2324sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2325{
067653c5 2326 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2327 flagword flags, pltflags;
2328 register asection *s;
9c5bfbb7 2329 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2330 int ptralign = 0;
2331
2332 switch (bed->s->arch_size)
2333 {
2334 case 32:
2335 ptralign = 2;
2336 break;
2337
2338 case 64:
2339 ptralign = 3;
2340 break;
2341
2342 default:
2343 bfd_set_error (bfd_error_bad_value);
b34976b6 2344 return FALSE;
37c644f2
AO
2345 }
2346
067653c5 2347 htab = sh_elf_hash_table (info);
35cad4c4
KK
2348 if (htab->root.dynamic_sections_created)
2349 return TRUE;
067653c5 2350
37c644f2
AO
2351 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2352 .rel[a].bss sections. */
2353
2354 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2355 | SEC_LINKER_CREATED);
2356
2357 pltflags = flags;
2358 pltflags |= SEC_CODE;
2359 if (bed->plt_not_loaded)
2360 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2361 if (bed->plt_readonly)
2362 pltflags |= SEC_READONLY;
2363
3496cb2a 2364 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2365 htab->splt = s;
2366 if (s == NULL
35cad4c4
KK
2367 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2368 return FALSE;
37c644f2
AO
2369
2370 if (bed->want_plt_sym)
2371 {
2372 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2373 .plt section. */
14a793b2
AM
2374 struct elf_link_hash_entry *h;
2375 struct bfd_link_hash_entry *bh = NULL;
2376
37c644f2
AO
2377 if (! (_bfd_generic_link_add_one_symbol
2378 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2379 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2380 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2381 return FALSE;
14a793b2
AM
2382
2383 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2384 h->def_regular = 1;
37c644f2 2385 h->type = STT_OBJECT;
7325306f 2386 htab->root.hplt = h;
37c644f2
AO
2387
2388 if (info->shared
c152c796 2389 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2390 return FALSE;
37c644f2
AO
2391 }
2392
3496cb2a
L
2393 s = bfd_make_section_with_flags (abfd,
2394 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
2395 flags | SEC_READONLY);
35cad4c4
KK
2396 htab->srelplt = s;
2397 if (s == NULL
35cad4c4
KK
2398 || ! bfd_set_section_alignment (abfd, s, ptralign))
2399 return FALSE;
37c644f2 2400
2293c499
AM
2401 if (htab->sgot == NULL
2402 && !create_got_section (abfd, info))
b34976b6 2403 return FALSE;
37c644f2
AO
2404
2405 {
2406 const char *secname;
2407 char *relname;
2408 flagword secflags;
2409 asection *sec;
2410
2411 for (sec = abfd->sections; sec; sec = sec->next)
2412 {
2413 secflags = bfd_get_section_flags (abfd, sec);
2414 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
2415 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
2416 continue;
2417 secname = bfd_get_section_name (abfd, sec);
dc810e39 2418 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
37c644f2
AO
2419 strcpy (relname, ".rela");
2420 strcat (relname, secname);
03151a5a
KK
2421 if (bfd_get_section_by_name (abfd, secname))
2422 continue;
3496cb2a
L
2423 s = bfd_make_section_with_flags (abfd, relname,
2424 flags | SEC_READONLY);
37c644f2 2425 if (s == NULL
37c644f2 2426 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2427 return FALSE;
37c644f2
AO
2428 }
2429 }
2430
2431 if (bed->want_dynbss)
2432 {
2433 /* The .dynbss section is a place to put symbols which are defined
2434 by dynamic objects, are referenced by regular objects, and are
2435 not functions. We must allocate space for them in the process
2436 image and use a R_*_COPY reloc to tell the dynamic linker to
2437 initialize them at run time. The linker script puts the .dynbss
2438 section into the .bss section of the final image. */
3496cb2a
L
2439 s = bfd_make_section_with_flags (abfd, ".dynbss",
2440 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2441 htab->sdynbss = s;
3496cb2a 2442 if (s == NULL)
35cad4c4 2443 return FALSE;
37c644f2
AO
2444
2445 /* The .rel[a].bss section holds copy relocs. This section is not
2446 normally needed. We need to create it here, though, so that the
2447 linker will map it to an output section. We can't just create it
2448 only if we need it, because we will not know whether we need it
2449 until we have seen all the input files, and the first time the
2450 main linker code calls BFD after examining all the input files
2451 (size_dynamic_sections) the input sections have already been
2452 mapped to the output sections. If the section turns out not to
2453 be needed, we can discard it later. We will never need this
2454 section when generating a shared object, since they do not use
2455 copy relocs. */
35cad4c4 2456 if (! info->shared)
37c644f2 2457 {
3496cb2a
L
2458 s = bfd_make_section_with_flags (abfd,
2459 (bed->default_use_rela_p
2460 ? ".rela.bss" : ".rel.bss"),
2461 flags | SEC_READONLY);
067653c5 2462 htab->srelbss = s;
37c644f2 2463 if (s == NULL
37c644f2 2464 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2465 return FALSE;
37c644f2
AO
2466 }
2467 }
2468
55e6e397
RS
2469 if (htab->vxworks_p)
2470 {
2471 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2472 return FALSE;
2473 }
2474
b34976b6 2475 return TRUE;
37c644f2
AO
2476}
2477\f
37c644f2
AO
2478/* Adjust a symbol defined by a dynamic object and referenced by a
2479 regular object. The current definition is in some section of the
2480 dynamic object, but we're not including those sections. We have to
2481 change the definition to something the rest of the link can
2482 understand. */
2483
b34976b6 2484static bfd_boolean
09fd220b
KK
2485sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2486 struct elf_link_hash_entry *h)
37c644f2 2487{
067653c5
AM
2488 struct elf_sh_link_hash_table *htab;
2489 struct elf_sh_link_hash_entry *eh;
2490 struct elf_sh_dyn_relocs *p;
37c644f2 2491 asection *s;
37c644f2 2492
2293c499 2493 htab = sh_elf_hash_table (info);
37c644f2
AO
2494
2495 /* Make sure we know what is going on here. */
2293c499 2496 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2497 && (h->needs_plt
f6e332e6 2498 || h->u.weakdef != NULL
f5385ebf
AM
2499 || (h->def_dynamic
2500 && h->ref_regular
2501 && !h->def_regular)));
37c644f2
AO
2502
2503 /* If this is a function, put it in the procedure linkage table. We
2504 will fill in the contents of the procedure linkage table later,
2505 when we know the address of the .got section. */
2506 if (h->type == STT_FUNC
f5385ebf 2507 || h->needs_plt)
37c644f2 2508 {
067653c5 2509 if (h->plt.refcount <= 0
3d85aebe
KK
2510 || SYMBOL_CALLS_LOCAL (info, h)
2511 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2512 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2513 {
2514 /* This case can occur if we saw a PLT reloc in an input
2515 file, but the symbol was never referred to by a dynamic
2516 object. In such a case, we don't actually need to build
2517 a procedure linkage table, and we can just do a REL32
2518 reloc instead. */
067653c5 2519 h->plt.offset = (bfd_vma) -1;
f5385ebf 2520 h->needs_plt = 0;
37c644f2
AO
2521 }
2522
b34976b6 2523 return TRUE;
37c644f2 2524 }
067653c5
AM
2525 else
2526 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2527
2528 /* If this is a weak symbol, and there is a real definition, the
2529 processor independent code will have arranged for us to see the
2530 real definition first, and we can just use the same value. */
f6e332e6 2531 if (h->u.weakdef != NULL)
37c644f2 2532 {
f6e332e6
AM
2533 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2534 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2535 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2536 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2537 if (info->nocopyreloc)
f6e332e6 2538 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2539 return TRUE;
37c644f2
AO
2540 }
2541
2542 /* This is a reference to a symbol defined by a dynamic object which
2543 is not a function. */
2544
2545 /* If we are creating a shared library, we must presume that the
2546 only references to the symbol are via the global offset table.
2547 For such cases we need not do anything here; the relocations will
2548 be handled correctly by relocate_section. */
2549 if (info->shared)
b34976b6 2550 return TRUE;
37c644f2
AO
2551
2552 /* If there are no references to this symbol that do not use the
2553 GOT, we don't need to generate a copy reloc. */
f5385ebf 2554 if (!h->non_got_ref)
b34976b6 2555 return TRUE;
37c644f2 2556
067653c5
AM
2557 /* If -z nocopyreloc was given, we won't generate them either. */
2558 if (info->nocopyreloc)
2559 {
f5385ebf 2560 h->non_got_ref = 0;
b34976b6 2561 return TRUE;
067653c5
AM
2562 }
2563
2564 eh = (struct elf_sh_link_hash_entry *) h;
2565 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2566 {
2567 s = p->sec->output_section;
2568 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2569 break;
2570 }
2571
2572 /* If we didn't find any dynamic relocs in sections which needs the
2573 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2574 the copy reloc. */
2575 if (p == NULL)
2576 {
f5385ebf 2577 h->non_got_ref = 0;
b34976b6 2578 return TRUE;
067653c5
AM
2579 }
2580
909272ee
AM
2581 if (h->size == 0)
2582 {
2583 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2584 h->root.root.string);
2585 return TRUE;
2586 }
2587
37c644f2
AO
2588 /* We must allocate the symbol in our .dynbss section, which will
2589 become part of the .bss section of the executable. There will be
2590 an entry for this symbol in the .dynsym section. The dynamic
2591 object will contain position independent code, so all references
2592 from the dynamic object to this symbol will go through the global
2593 offset table. The dynamic linker will use the .dynsym entry to
2594 determine the address it must put in the global offset table, so
2595 both the dynamic object and the regular object will refer to the
2596 same memory location for the variable. */
2597
067653c5 2598 s = htab->sdynbss;
37c644f2
AO
2599 BFD_ASSERT (s != NULL);
2600
2601 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2602 copy the initial value out of the dynamic object and into the
2603 runtime process image. We need to remember the offset into the
2604 .rela.bss section we are going to use. */
2605 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2606 {
2607 asection *srel;
2608
067653c5 2609 srel = htab->srelbss;
37c644f2 2610 BFD_ASSERT (srel != NULL);
eea6121a 2611 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2612 h->needs_copy = 1;
37c644f2
AO
2613 }
2614
027297b7 2615 return _bfd_elf_adjust_dynamic_copy (h, s);
37c644f2
AO
2616}
2617
067653c5
AM
2618/* Allocate space in .plt, .got and associated reloc sections for
2619 dynamic relocs. */
2620
b34976b6 2621static bfd_boolean
09fd220b 2622allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2623{
2624 struct bfd_link_info *info;
2625 struct elf_sh_link_hash_table *htab;
2626 struct elf_sh_link_hash_entry *eh;
2627 struct elf_sh_dyn_relocs *p;
2628
2629 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2630 return TRUE;
067653c5
AM
2631
2632 if (h->root.type == bfd_link_hash_warning)
2633 /* When warning symbols are created, they **replace** the "real"
2634 entry in the hash table, thus we never get to see the real
2635 symbol in a hash traversal. So look at it now. */
2636 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2637
2638 info = (struct bfd_link_info *) inf;
2639 htab = sh_elf_hash_table (info);
2640
4989d792
SC
2641 eh = (struct elf_sh_link_hash_entry *) h;
2642 if ((h->got.refcount > 0
f5385ebf 2643 || h->forced_local)
4989d792
SC
2644 && eh->gotplt_refcount > 0)
2645 {
2646 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2647 so treat all the gotplt refs as got refs. */
4989d792
SC
2648 h->got.refcount += eh->gotplt_refcount;
2649 if (h->plt.refcount >= eh->gotplt_refcount)
2650 h->plt.refcount -= eh->gotplt_refcount;
2651 }
2652
067653c5 2653 if (htab->root.dynamic_sections_created
04e534c3
KK
2654 && h->plt.refcount > 0
2655 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2656 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2657 {
2658 /* Make sure this symbol is output as a dynamic symbol.
2659 Undefined weak syms won't yet be marked as dynamic. */
2660 if (h->dynindx == -1
f5385ebf 2661 && !h->forced_local)
067653c5 2662 {
c152c796 2663 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2664 return FALSE;
067653c5
AM
2665 }
2666
267fb3c1
KK
2667 if (info->shared
2668 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
2669 {
2670 asection *s = htab->splt;
2671
2672 /* If this is the first .plt entry, make room for the special
2673 first entry. */
eea6121a 2674 if (s->size == 0)
55e6e397 2675 s->size += htab->plt_info->plt0_entry_size;
067653c5 2676
eea6121a 2677 h->plt.offset = s->size;
067653c5
AM
2678
2679 /* If this symbol is not defined in a regular file, and we are
2680 not generating a shared library, then set the symbol to this
2681 location in the .plt. This is required to make function
2682 pointers compare as equal between the normal executable and
2683 the shared library. */
2684 if (! info->shared
f5385ebf 2685 && !h->def_regular)
067653c5
AM
2686 {
2687 h->root.u.def.section = s;
2688 h->root.u.def.value = h->plt.offset;
2689 }
2690
2691 /* Make room for this entry. */
55e6e397 2692 s->size += htab->plt_info->symbol_entry_size;
067653c5
AM
2693
2694 /* We also need to make an entry in the .got.plt section, which
2695 will be placed in the .got section by the linker script. */
eea6121a 2696 htab->sgotplt->size += 4;
067653c5
AM
2697
2698 /* We also need to make an entry in the .rel.plt section. */
eea6121a 2699 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
2700
2701 if (htab->vxworks_p && !info->shared)
2702 {
2703 /* VxWorks executables have a second set of relocations
2704 for each PLT entry. They go in a separate relocation
2705 section, which is processed by the kernel loader. */
2706
2707 /* There is a relocation for the initial PLT entry:
2708 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2709 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2710 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2711
2712 /* There are two extra relocations for each subsequent
2713 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2714 and an R_SH_DIR32 relocation for the PLT entry. */
2715 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2716 }
067653c5
AM
2717 }
2718 else
2719 {
2720 h->plt.offset = (bfd_vma) -1;
f5385ebf 2721 h->needs_plt = 0;
067653c5
AM
2722 }
2723 }
2724 else
2725 {
2726 h->plt.offset = (bfd_vma) -1;
f5385ebf 2727 h->needs_plt = 0;
067653c5
AM
2728 }
2729
2730 if (h->got.refcount > 0)
2731 {
2732 asection *s;
b34976b6 2733 bfd_boolean dyn;
3376eaf5 2734 int tls_type = sh_elf_hash_entry (h)->tls_type;
067653c5
AM
2735
2736 /* Make sure this symbol is output as a dynamic symbol.
2737 Undefined weak syms won't yet be marked as dynamic. */
2738 if (h->dynindx == -1
f5385ebf 2739 && !h->forced_local)
067653c5 2740 {
c152c796 2741 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2742 return FALSE;
067653c5
AM
2743 }
2744
2745 s = htab->sgot;
eea6121a
AM
2746 h->got.offset = s->size;
2747 s->size += 4;
3376eaf5
KK
2748 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
2749 if (tls_type == GOT_TLS_GD)
eea6121a 2750 s->size += 4;
067653c5 2751 dyn = htab->root.dynamic_sections_created;
267fb3c1 2752 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5
KK
2753 R_SH_TLS_GD needs one if local symbol and two if global. */
2754 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
267fb3c1 2755 || (tls_type == GOT_TLS_IE && dyn))
eea6121a 2756 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5 2757 else if (tls_type == GOT_TLS_GD)
eea6121a 2758 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
04e534c3
KK
2759 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2760 || h->root.type != bfd_link_hash_undefweak)
2761 && (info->shared
2762 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 2763 htab->srelgot->size += sizeof (Elf32_External_Rela);
067653c5
AM
2764 }
2765 else
2766 h->got.offset = (bfd_vma) -1;
2767
396a6083
SC
2768#ifdef INCLUDE_SHMEDIA
2769 if (eh->datalabel_got.refcount > 0)
2770 {
2771 asection *s;
b34976b6 2772 bfd_boolean dyn;
396a6083
SC
2773
2774 /* Make sure this symbol is output as a dynamic symbol.
2775 Undefined weak syms won't yet be marked as dynamic. */
2776 if (h->dynindx == -1
f5385ebf 2777 && !h->forced_local)
396a6083 2778 {
c152c796 2779 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2780 return FALSE;
396a6083
SC
2781 }
2782
2783 s = htab->sgot;
eea6121a
AM
2784 eh->datalabel_got.offset = s->size;
2785 s->size += 4;
396a6083 2786 dyn = htab->root.dynamic_sections_created;
267fb3c1 2787 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 2788 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
2789 }
2790 else
2791 eh->datalabel_got.offset = (bfd_vma) -1;
2792#endif
2793
067653c5 2794 if (eh->dyn_relocs == NULL)
b34976b6 2795 return TRUE;
067653c5
AM
2796
2797 /* In the shared -Bsymbolic case, discard space allocated for
2798 dynamic pc-relative relocs against symbols which turn out to be
2799 defined in regular objects. For the normal shared case, discard
2800 space for pc-relative relocs that have become local due to symbol
2801 visibility changes. */
2802
2803 if (info->shared)
2804 {
3d85aebe 2805 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
2806 {
2807 struct elf_sh_dyn_relocs **pp;
2808
2809 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2810 {
2811 p->count -= p->pc_count;
2812 p->pc_count = 0;
2813 if (p->count == 0)
2814 *pp = p->next;
2815 else
2816 pp = &p->next;
2817 }
2818 }
04e534c3
KK
2819
2820 /* Also discard relocs on undefined weak syms with non-default
2821 visibility. */
22d606e9 2822 if (eh->dyn_relocs != NULL
04e534c3 2823 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
2824 {
2825 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2826 eh->dyn_relocs = NULL;
2827
2828 /* Make sure undefined weak symbols are output as a dynamic
2829 symbol in PIEs. */
2830 else if (h->dynindx == -1
2831 && !h->forced_local)
2832 {
2833 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2834 return FALSE;
2835 }
2836 }
067653c5
AM
2837 }
2838 else
2839 {
2840 /* For the non-shared case, discard space for relocs against
2841 symbols which turn out to need copy relocs or are not
2842 dynamic. */
2843
f5385ebf
AM
2844 if (!h->non_got_ref
2845 && ((h->def_dynamic
2846 && !h->def_regular)
067653c5
AM
2847 || (htab->root.dynamic_sections_created
2848 && (h->root.type == bfd_link_hash_undefweak
2849 || h->root.type == bfd_link_hash_undefined))))
2850 {
2851 /* Make sure this symbol is output as a dynamic symbol.
2852 Undefined weak syms won't yet be marked as dynamic. */
2853 if (h->dynindx == -1
f5385ebf 2854 && !h->forced_local)
067653c5 2855 {
c152c796 2856 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2857 return FALSE;
067653c5
AM
2858 }
2859
2860 /* If that succeeded, we know we'll be keeping all the
2861 relocs. */
2862 if (h->dynindx != -1)
2863 goto keep;
2864 }
2865
2866 eh->dyn_relocs = NULL;
2867
2868 keep: ;
2869 }
2870
2871 /* Finally, allocate space. */
2872 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2873 {
2874 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 2875 sreloc->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2876 }
2877
b34976b6 2878 return TRUE;
067653c5
AM
2879}
2880
2881/* Find any dynamic relocs that apply to read-only sections. */
2882
b34976b6 2883static bfd_boolean
09fd220b 2884readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2885{
2886 struct elf_sh_link_hash_entry *eh;
2887 struct elf_sh_dyn_relocs *p;
2888
2889 if (h->root.type == bfd_link_hash_warning)
2890 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2891
2892 eh = (struct elf_sh_link_hash_entry *) h;
2893 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2894 {
2895 asection *s = p->sec->output_section;
2896
2897 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2898 {
2899 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2900
2901 info->flags |= DF_TEXTREL;
2902
2903 /* Not an error, just cut short the traversal. */
b34976b6 2904 return FALSE;
067653c5
AM
2905 }
2906 }
b34976b6 2907 return TRUE;
067653c5
AM
2908}
2909
55e6e397
RS
2910/* This function is called after all the input files have been read,
2911 and the input sections have been assigned to output sections.
2912 It's a convenient place to determine the PLT style. */
2913
2914static bfd_boolean
2915sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2916{
2917 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
2918 return TRUE;
2919}
2920
37c644f2
AO
2921/* Set the sizes of the dynamic sections. */
2922
b34976b6 2923static bfd_boolean
09fd220b
KK
2924sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2925 struct bfd_link_info *info)
37c644f2 2926{
067653c5 2927 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2928 bfd *dynobj;
2929 asection *s;
b34976b6 2930 bfd_boolean relocs;
067653c5 2931 bfd *ibfd;
37c644f2 2932
067653c5
AM
2933 htab = sh_elf_hash_table (info);
2934 dynobj = htab->root.dynobj;
37c644f2
AO
2935 BFD_ASSERT (dynobj != NULL);
2936
067653c5 2937 if (htab->root.dynamic_sections_created)
37c644f2
AO
2938 {
2939 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 2940 if (info->executable)
37c644f2
AO
2941 {
2942 s = bfd_get_section_by_name (dynobj, ".interp");
2943 BFD_ASSERT (s != NULL);
eea6121a 2944 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
2945 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2946 }
2947 }
37c644f2 2948
067653c5
AM
2949 /* Set up .got offsets for local syms, and space for local dynamic
2950 relocs. */
2951 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
37c644f2 2952 {
067653c5
AM
2953 bfd_signed_vma *local_got;
2954 bfd_signed_vma *end_local_got;
3376eaf5 2955 char *local_tls_type;
067653c5
AM
2956 bfd_size_type locsymcount;
2957 Elf_Internal_Shdr *symtab_hdr;
2958 asection *srel;
37c644f2 2959
0ffa91dd 2960 if (! is_sh_elf (ibfd))
37c644f2
AO
2961 continue;
2962
067653c5 2963 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 2964 {
067653c5
AM
2965 struct elf_sh_dyn_relocs *p;
2966
2967 for (p = ((struct elf_sh_dyn_relocs *)
2968 elf_section_data (s)->local_dynrel);
2969 p != NULL;
2970 p = p->next)
37c644f2 2971 {
067653c5
AM
2972 if (! bfd_is_abs_section (p->sec)
2973 && bfd_is_abs_section (p->sec->output_section))
2974 {
2975 /* Input section has been discarded, either because
2976 it is a copy of a linkonce section or due to
2977 linker script /DISCARD/, so we'll be discarding
2978 the relocs too. */
2979 }
2980 else if (p->count != 0)
2981 {
2982 srel = elf_section_data (p->sec)->sreloc;
eea6121a 2983 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2984 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2985 info->flags |= DF_TEXTREL;
2986 }
37c644f2
AO
2987 }
2988 }
067653c5
AM
2989
2990 local_got = elf_local_got_refcounts (ibfd);
2991 if (!local_got)
2992 continue;
2993
0ffa91dd 2994 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
2995 locsymcount = symtab_hdr->sh_info;
2996#ifdef INCLUDE_SHMEDIA
2997 /* Count datalabel local GOT. */
2998 locsymcount *= 2;
2999#endif
3000 end_local_got = local_got + locsymcount;
3376eaf5 3001 local_tls_type = sh_elf_local_got_tls_type (ibfd);
067653c5
AM
3002 s = htab->sgot;
3003 srel = htab->srelgot;
3004 for (; local_got < end_local_got; ++local_got)
37c644f2 3005 {
067653c5 3006 if (*local_got > 0)
37c644f2 3007 {
eea6121a
AM
3008 *local_got = s->size;
3009 s->size += 4;
3376eaf5 3010 if (*local_tls_type == GOT_TLS_GD)
eea6121a 3011 s->size += 4;
067653c5 3012 if (info->shared)
eea6121a 3013 srel->size += sizeof (Elf32_External_Rela);
37c644f2
AO
3014 }
3015 else
067653c5 3016 *local_got = (bfd_vma) -1;
3376eaf5 3017 ++local_tls_type;
37c644f2 3018 }
067653c5
AM
3019 }
3020
3376eaf5
KK
3021 if (htab->tls_ldm_got.refcount > 0)
3022 {
3023 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3024 relocs. */
eea6121a
AM
3025 htab->tls_ldm_got.offset = htab->sgot->size;
3026 htab->sgot->size += 8;
3027 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3028 }
3029 else
3030 htab->tls_ldm_got.offset = -1;
3031
067653c5
AM
3032 /* Allocate global sym .plt and .got entries, and space for global
3033 sym dynamic relocs. */
09fd220b 3034 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5
AM
3035
3036 /* We now have determined the sizes of the various dynamic sections.
3037 Allocate memory for them. */
b34976b6 3038 relocs = FALSE;
067653c5
AM
3039 for (s = dynobj->sections; s != NULL; s = s->next)
3040 {
3041 if ((s->flags & SEC_LINKER_CREATED) == 0)
3042 continue;
3043
3044 if (s == htab->splt
3045 || s == htab->sgot
c456f082
AM
3046 || s == htab->sgotplt
3047 || s == htab->sdynbss)
067653c5
AM
3048 {
3049 /* Strip this section if we don't need it; see the
3050 comment below. */
3051 }
0112cd26 3052 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3053 {
55e6e397 3054 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3055 relocs = TRUE;
067653c5
AM
3056
3057 /* We use the reloc_count field as a counter if we need
3058 to copy relocs into the output file. */
3059 s->reloc_count = 0;
3060 }
3061 else
37c644f2
AO
3062 {
3063 /* It's not one of our sections, so don't allocate space. */
3064 continue;
3065 }
3066
eea6121a 3067 if (s->size == 0)
37c644f2 3068 {
067653c5
AM
3069 /* If we don't need this section, strip it from the
3070 output file. This is mostly to handle .rela.bss and
3071 .rela.plt. We must create both sections in
3072 create_dynamic_sections, because they must be created
3073 before the linker maps input sections to output
3074 sections. The linker does that before
3075 adjust_dynamic_symbol is called, and it is that
3076 function which decides whether anything needs to go
3077 into these sections. */
3078
8423293d 3079 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3080 continue;
3081 }
3082
c456f082
AM
3083 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3084 continue;
3085
067653c5
AM
3086 /* Allocate memory for the section contents. We use bfd_zalloc
3087 here in case unused entries are not reclaimed before the
3088 section's contents are written out. This should not happen,
3089 but this way if it does, we get a R_SH_NONE reloc instead
3090 of garbage. */
eea6121a 3091 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3092 if (s->contents == NULL)
b34976b6 3093 return FALSE;
37c644f2
AO
3094 }
3095
067653c5 3096 if (htab->root.dynamic_sections_created)
37c644f2
AO
3097 {
3098 /* Add some entries to the .dynamic section. We fill in the
3099 values later, in sh_elf_finish_dynamic_sections, but we
3100 must add the entries now so that we get the correct size for
3101 the .dynamic section. The DT_DEBUG entry is filled in by the
3102 dynamic linker and used by the debugger. */
dc810e39 3103#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3104 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3105
2558b9a9 3106 if (info->executable)
37c644f2 3107 {
067653c5 3108 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3109 return FALSE;
37c644f2
AO
3110 }
3111
eea6121a 3112 if (htab->splt->size != 0)
37c644f2 3113 {
067653c5
AM
3114 if (! add_dynamic_entry (DT_PLTGOT, 0)
3115 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3116 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3117 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3118 return FALSE;
37c644f2
AO
3119 }
3120
3121 if (relocs)
3122 {
067653c5
AM
3123 if (! add_dynamic_entry (DT_RELA, 0)
3124 || ! add_dynamic_entry (DT_RELASZ, 0)
3125 || ! add_dynamic_entry (DT_RELAENT,
3126 sizeof (Elf32_External_Rela)))
b34976b6 3127 return FALSE;
37c644f2 3128
067653c5
AM
3129 /* If any dynamic relocs apply to a read-only section,
3130 then we need a DT_TEXTREL entry. */
3131 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3132 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3133
3134 if ((info->flags & DF_TEXTREL) != 0)
3135 {
3136 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3137 return FALSE;
067653c5 3138 }
37c644f2 3139 }
7a2b07ff
NS
3140 if (htab->vxworks_p
3141 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3142 return FALSE;
37c644f2 3143 }
dc810e39 3144#undef add_dynamic_entry
37c644f2 3145
b34976b6 3146 return TRUE;
37c644f2 3147}
37c644f2
AO
3148\f
3149/* Relocate an SH ELF section. */
3150
b34976b6 3151static bfd_boolean
09fd220b
KK
3152sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3153 bfd *input_bfd, asection *input_section,
3154 bfd_byte *contents, Elf_Internal_Rela *relocs,
3155 Elf_Internal_Sym *local_syms,
3156 asection **local_sections)
37c644f2 3157{
067653c5 3158 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3159 Elf_Internal_Shdr *symtab_hdr;
3160 struct elf_link_hash_entry **sym_hashes;
3161 Elf_Internal_Rela *rel, *relend;
3162 bfd *dynobj;
3163 bfd_vma *local_got_offsets;
3164 asection *sgot;
fbca6ad9 3165 asection *sgotplt;
37c644f2
AO
3166 asection *splt;
3167 asection *sreloc;
3376eaf5 3168 asection *srelgot;
37c644f2 3169
0ffa91dd
NC
3170 BFD_ASSERT (is_sh_elf (input_bfd));
3171
067653c5 3172 htab = sh_elf_hash_table (info);
0ffa91dd 3173 symtab_hdr = &elf_symtab_hdr (input_bfd);
37c644f2 3174 sym_hashes = elf_sym_hashes (input_bfd);
067653c5 3175 dynobj = htab->root.dynobj;
37c644f2
AO
3176 local_got_offsets = elf_local_got_offsets (input_bfd);
3177
067653c5
AM
3178 sgot = htab->sgot;
3179 sgotplt = htab->sgotplt;
3180 splt = htab->splt;
37c644f2 3181 sreloc = NULL;
3376eaf5 3182 srelgot = NULL;
37c644f2
AO
3183
3184 rel = relocs;
3185 relend = relocs + input_section->reloc_count;
3186 for (; rel < relend; rel++)
3187 {
3188 int r_type;
3189 reloc_howto_type *howto;
3190 unsigned long r_symndx;
3191 Elf_Internal_Sym *sym;
3192 asection *sec;
3193 struct elf_link_hash_entry *h;
3194 bfd_vma relocation;
435b1e90 3195 bfd_vma addend = (bfd_vma) 0;
37c644f2 3196 bfd_reloc_status_type r;
fbca6ad9 3197 int seen_stt_datalabel = 0;
3376eaf5
KK
3198 bfd_vma off;
3199 int tls_type;
37c644f2
AO
3200
3201 r_symndx = ELF32_R_SYM (rel->r_info);
3202
37c644f2
AO
3203 r_type = ELF32_R_TYPE (rel->r_info);
3204
3205 /* Many of the relocs are only used for relaxing, and are
067653c5 3206 handled entirely by the relaxation code. */
d38eb334
DD
3207 if (r_type >= (int) R_SH_GNU_VTINHERIT
3208 && r_type <= (int) R_SH_LABEL)
37c644f2 3209 continue;
c5aeb40f
AO
3210 if (r_type == (int) R_SH_NONE)
3211 continue;
37c644f2
AO
3212
3213 if (r_type < 0
3214 || r_type >= R_SH_max
3215 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3216 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
fbca6ad9
AO
3217 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3218 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3219 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3220 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3221 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3222 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
06bb75c1
AO
3223 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3224 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
37c644f2
AO
3225 {
3226 bfd_set_error (bfd_error_bad_value);
b34976b6 3227 return FALSE;
37c644f2
AO
3228 }
3229
55e6e397 3230 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3231
146be91a 3232 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3233 the relocation. */
146be91a
HPN
3234 if (! howto->partial_inplace)
3235 addend = rel->r_addend;
3236
37c644f2
AO
3237 h = NULL;
3238 sym = NULL;
3239 sec = NULL;
3240 if (r_symndx < symtab_hdr->sh_info)
3241 {
3242 sym = local_syms + r_symndx;
3243 sec = local_sections[r_symndx];
3244 relocation = (sec->output_section->vma
3245 + sec->output_offset
3246 + sym->st_value);
fbca6ad9
AO
3247 /* A local symbol never has STO_SH5_ISA32, so we don't need
3248 datalabel processing here. Make sure this does not change
3249 without notice. */
3250 if ((sym->st_other & STO_SH5_ISA32) != 0)
3251 ((*info->callbacks->reloc_dangerous)
3252 (info,
3253 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3254 input_bfd, input_section, rel->r_offset));
ab96bf03
AM
3255
3256 if (sec != NULL && elf_discarded_section (sec))
3257 /* Handled below. */
3258 ;
3259 else if (info->relocatable)
8a3975e6 3260 {
1049f94e 3261 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3262 anything, unless the reloc is against a section symbol,
3263 in which case we have to adjust according to where the
3264 section symbol winds up in the output section. */
8a3975e6 3265 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3266 {
3267 if (! howto->partial_inplace)
3268 {
3269 /* For relocations with the addend in the
3270 relocation, we need just to update the addend.
3271 All real relocs are of type partial_inplace; this
3272 code is mostly for completeness. */
ab96bf03 3273 rel->r_addend += sec->output_offset;
146be91a
HPN
3274
3275 continue;
3276 }
3277
3278 /* Relocs of type partial_inplace need to pick up the
3279 contents in the contents and add the offset resulting
3280 from the changed location of the section symbol.
3281 Using _bfd_final_link_relocate (e.g. goto
3282 final_link_relocate) here would be wrong, because
3283 relocations marked pc_relative would get the current
3284 location subtracted, and we must only do that at the
3285 final link. */
3286 r = _bfd_relocate_contents (howto, input_bfd,
3287 sec->output_offset
3288 + sym->st_value,
3289 contents + rel->r_offset);
3290 goto relocation_done;
3291 }
8a3975e6
AO
3292
3293 continue;
3294 }
f8df10f4
JJ
3295 else if (! howto->partial_inplace)
3296 {
8517fae7 3297 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
3298 addend = rel->r_addend;
3299 }
3300 else if ((sec->flags & SEC_MERGE)
3301 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3302 {
3303 asection *msec;
3304
3305 if (howto->rightshift || howto->src_mask != 0xffffffff)
3306 {
3307 (*_bfd_error_handler)
d003868e
AM
3308 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
3309 input_bfd, input_section,
f8df10f4 3310 (long) rel->r_offset, howto->name);
b34976b6 3311 return FALSE;
f8df10f4
JJ
3312 }
3313
067653c5
AM
3314 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3315 msec = sec;
3316 addend =
c629eae0 3317 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
3318 - relocation;
3319 addend += msec->output_section->vma + msec->output_offset;
3320 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3321 addend = 0;
3322 }
37c644f2
AO
3323 }
3324 else
3325 {
560e09e9
NC
3326 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3327
ab96bf03 3328 relocation = 0;
37c644f2
AO
3329 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3330 while (h->root.type == bfd_link_hash_indirect
3331 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
3332 {
3333#ifdef INCLUDE_SHMEDIA
3334 /* If the reference passes a symbol marked with
3335 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
3336 doesn't count. */
3337 seen_stt_datalabel |= h->type == STT_DATALABEL;
3338#endif
3339 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3340 }
37c644f2
AO
3341 if (h->root.type == bfd_link_hash_defined
3342 || h->root.type == bfd_link_hash_defweak)
3343 {
b34976b6 3344 bfd_boolean dyn;
067653c5
AM
3345
3346 dyn = htab->root.dynamic_sections_created;
37c644f2
AO
3347 sec = h->root.u.def.section;
3348 /* In these cases, we don't need the relocation value.
3349 We check specially because in some obscure cases
435b1e90 3350 sec->output_section will be NULL. */
37c644f2 3351 if (r_type == R_SH_GOTPC
fbca6ad9
AO
3352 || r_type == R_SH_GOTPC_LOW16
3353 || r_type == R_SH_GOTPC_MEDLOW16
3354 || r_type == R_SH_GOTPC_MEDHI16
3355 || r_type == R_SH_GOTPC_HI16
3356 || ((r_type == R_SH_PLT32
3357 || r_type == R_SH_PLT_LOW16
3358 || r_type == R_SH_PLT_MEDLOW16
3359 || r_type == R_SH_PLT_MEDHI16
3360 || r_type == R_SH_PLT_HI16)
37c644f2 3361 && h->plt.offset != (bfd_vma) -1)
fbca6ad9
AO
3362 || ((r_type == R_SH_GOT32
3363 || r_type == R_SH_GOT_LOW16
3364 || r_type == R_SH_GOT_MEDLOW16
3365 || r_type == R_SH_GOT_MEDHI16
3366 || r_type == R_SH_GOT_HI16)
267fb3c1 3367 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
3368 && (! info->shared
3369 || (! info->symbolic && h->dynindx != -1)
f5385ebf 3370 || !h->def_regular))
37c644f2
AO
3371 /* The cases above are those in which relocation is
3372 overwritten in the switch block below. The cases
3373 below are those in which we must defer relocation
3374 to run-time, because we can't resolve absolute
3375 addresses when creating a shared library. */
3376 || (info->shared
3377 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 3378 || !h->def_regular)
37c644f2 3379 && ((r_type == R_SH_DIR32
f5385ebf 3380 && !h->forced_local)
f50ad433
KK
3381 || (r_type == R_SH_REL32
3382 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3383 && ((input_section->flags & SEC_ALLOC) != 0
3384 /* DWARF will emit R_SH_DIR32 relocations in its
3385 sections against symbols defined externally
3386 in shared libraries. We can't do anything
3387 with them here. */
067653c5 3388 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3389 && h->def_dynamic)))
1448fa32
KK
3390 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3391 sections because such sections are not SEC_ALLOC and
3392 thus ld.so will not process them. */
3393 || (sec->output_section == NULL
3394 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3395 && h->def_dynamic))
3376eaf5
KK
3396 || (sec->output_section == NULL
3397 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
3398 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
ab96bf03
AM
3399 ;
3400 else if (sec->output_section != NULL)
3401 relocation = ((h->root.u.def.value
3402 + sec->output_section->vma
3403 + sec->output_offset)
3404 /* A STO_SH5_ISA32 causes a "bitor 1" to the
3405 symbol value, unless we've seen
3406 STT_DATALABEL on the way to it. */
3407 | ((h->other & STO_SH5_ISA32) != 0
3408 && ! seen_stt_datalabel));
3409 else if (!info->relocatable)
37c644f2
AO
3410 {
3411 (*_bfd_error_handler)
843fe662
L
3412 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3413 input_bfd,
3414 input_section,
3415 (long) rel->r_offset,
3416 howto->name,
3417 h->root.root.string);
b34976b6 3418 return FALSE;
37c644f2 3419 }
37c644f2
AO
3420 }
3421 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 3422 ;
59c2e50f 3423 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 3424 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
3425 ;
3426 else if (!info->relocatable)
37c644f2 3427 {
560e09e9
NC
3428 if (! info->callbacks->undefined_symbol
3429 (info, h->root.root.string, input_bfd,
3430 input_section, rel->r_offset,
59c2e50f 3431 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 3432 || ELF_ST_VISIBILITY (h->other))))
b34976b6 3433 return FALSE;
37c644f2
AO
3434 }
3435 }
3436
ab96bf03
AM
3437 if (sec != NULL && elf_discarded_section (sec))
3438 {
3439 /* For relocs against symbols from removed linkonce sections,
3440 or sections discarded by a linker script, we just want the
3441 section contents zeroed. Avoid any special processing. */
3442 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
3443 rel->r_info = 0;
3444 rel->r_addend = 0;
3445 continue;
3446 }
3447
3448 if (info->relocatable)
3449 continue;
3450
435b1e90 3451 switch ((int) r_type)
37c644f2
AO
3452 {
3453 final_link_relocate:
3454 /* COFF relocs don't use the addend. The addend is used for
435b1e90 3455 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
3456 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3457 contents, rel->r_offset,
3458 relocation, addend);
3459 break;
3460
3461 case R_SH_IND12W:
cd6ec716
DD
3462 goto final_link_relocate;
3463
37c644f2
AO
3464 case R_SH_DIR8WPN:
3465 case R_SH_DIR8WPZ:
3466 case R_SH_DIR8WPL:
cd6ec716
DD
3467 /* If the reloc is against the start of this section, then
3468 the assembler has already taken care of it and the reloc
3469 is here only to assist in relaxing. If the reloc is not
3470 against the start of this section, then it's against an
3471 external symbol and we must deal with it ourselves. */
3472 if (input_section->output_section->vma + input_section->output_offset
3473 != relocation)
3474 {
3475 int disp = (relocation
3476 - input_section->output_section->vma
3477 - input_section->output_offset
3478 - rel->r_offset);
3479 int mask = 0;
3480 switch (r_type)
3481 {
3482 case R_SH_DIR8WPN:
3483 case R_SH_DIR8WPZ: mask = 1; break;
3484 case R_SH_DIR8WPL: mask = 3; break;
3485 default: mask = 0; break;
3486 }
3487 if (disp & mask)
3488 {
3489 ((*_bfd_error_handler)
d003868e
AM
3490 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
3491 input_section->owner,
cd6ec716
DD
3492 (unsigned long) rel->r_offset));
3493 bfd_set_error (bfd_error_bad_value);
b34976b6 3494 return FALSE;
cd6ec716
DD
3495 }
3496 relocation -= 4;
3497 goto final_link_relocate;
3498 }
3499 r = bfd_reloc_ok;
3500 break;
37c644f2
AO
3501
3502 default:
fbca6ad9
AO
3503#ifdef INCLUDE_SHMEDIA
3504 if (shmedia_prepare_reloc (info, input_bfd, input_section,
3505 contents, rel, &relocation))
3506 goto final_link_relocate;
3507#endif
37c644f2 3508 bfd_set_error (bfd_error_bad_value);
b34976b6 3509 return FALSE;
37c644f2 3510
d38eb334
DD
3511 case R_SH_DIR16:
3512 case R_SH_DIR8:
3513 case R_SH_DIR8U:
3514 case R_SH_DIR8S:
3515 case R_SH_DIR4U:
3516 goto final_link_relocate;
3517
3518 case R_SH_DIR8UL:
3519 case R_SH_DIR4UL:
3520 if (relocation & 3)
3521 {
3522 ((*_bfd_error_handler)
d003868e
AM
3523 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3524 input_section->owner,
d38eb334 3525 (unsigned long) rel->r_offset, howto->name,
d003868e 3526 (unsigned long) relocation));
d38eb334
DD
3527 bfd_set_error (bfd_error_bad_value);
3528 return FALSE;
3529 }
3530 goto final_link_relocate;
3531
3532 case R_SH_DIR8UW:
3533 case R_SH_DIR8SW:
3534 case R_SH_DIR4UW:
3535 if (relocation & 1)
3536 {
3537 ((*_bfd_error_handler)
d003868e
AM
3538 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3539 input_section->owner,
d38eb334 3540 (unsigned long) rel->r_offset, howto->name,
d003868e 3541 (unsigned long) relocation));
d38eb334
DD
3542 bfd_set_error (bfd_error_bad_value);
3543 return FALSE;
3544 }
3545 goto final_link_relocate;
3546
3547 case R_SH_PSHA:
3548 if ((signed int)relocation < -32
3549 || (signed int)relocation > 32)
3550 {
3551 ((*_bfd_error_handler)
d003868e
AM
3552 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
3553 input_section->owner,
d38eb334 3554 (unsigned long) rel->r_offset,
d003868e 3555 (unsigned long) relocation));
d38eb334
DD
3556 bfd_set_error (bfd_error_bad_value);
3557 return FALSE;
3558 }
3559 goto final_link_relocate;
3560
3561 case R_SH_PSHL:
3562 if ((signed int)relocation < -16
3563 || (signed int)relocation > 16)
3564 {
3565 ((*_bfd_error_handler)
d003868e
AM
3566 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
3567 input_section->owner,
d38eb334 3568 (unsigned long) rel->r_offset,
d003868e 3569 (unsigned long) relocation));
d38eb334
DD
3570 bfd_set_error (bfd_error_bad_value);
3571 return FALSE;
3572 }
3573 goto final_link_relocate;
3574
37c644f2
AO
3575 case R_SH_DIR32:
3576 case R_SH_REL32:
46e993b9
KK
3577#ifdef INCLUDE_SHMEDIA
3578 case R_SH_IMM_LOW16_PCREL:
3579 case R_SH_IMM_MEDLOW16_PCREL:
3580 case R_SH_IMM_MEDHI16_PCREL:
3581 case R_SH_IMM_HI16_PCREL:
3582#endif
37c644f2 3583 if (info->shared
04e534c3
KK
3584 && (h == NULL
3585 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3586 || h->root.type != bfd_link_hash_undefweak)
ec338859 3587 && r_symndx != 0
37c644f2 3588 && (input_section->flags & SEC_ALLOC) != 0
46e993b9 3589 && (r_type == R_SH_DIR32
3d85aebe 3590 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3591 {
3592 Elf_Internal_Rela outrel;
947216bf 3593 bfd_byte *loc;
b34976b6 3594 bfd_boolean skip, relocate;
37c644f2
AO
3595
3596 /* When generating a shared object, these relocations
3597 are copied into the output file to be resolved at run
3598 time. */
3599
3600 if (sreloc == NULL)
3601 {
3602 const char *name;
3603
3604 name = (bfd_elf_string_from_elf_section
3605 (input_bfd,
3606 elf_elfheader (input_bfd)->e_shstrndx,
3607 elf_section_data (input_section)->rel_hdr.sh_name));
3608 if (name == NULL)
b34976b6 3609 return FALSE;
37c644f2 3610
0112cd26 3611 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
37c644f2
AO
3612 && strcmp (bfd_get_section_name (input_bfd,
3613 input_section),
3614 name + 5) == 0);
3615
3616 sreloc = bfd_get_section_by_name (dynobj, name);
3617 BFD_ASSERT (sreloc != NULL);
3618 }
3619
b34976b6
AM
3620 skip = FALSE;
3621 relocate = FALSE;
37c644f2 3622
c629eae0
JJ
3623 outrel.r_offset =
3624 _bfd_elf_section_offset (output_bfd, info, input_section,
3625 rel->r_offset);
3626 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 3627 skip = TRUE;
0bb2d96a 3628 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 3629 skip = TRUE, relocate = TRUE;
37c644f2
AO
3630 outrel.r_offset += (input_section->output_section->vma
3631 + input_section->output_offset);
3632
3633 if (skip)
0bb2d96a 3634 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
3635 else if (r_type == R_SH_REL32)
3636 {
3637 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 3638 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 3639 outrel.r_addend
55e6e397
RS
3640 = (howto->partial_inplace
3641 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3642 : addend);
37c644f2 3643 }
46e993b9
KK
3644#ifdef INCLUDE_SHMEDIA
3645 else if (r_type == R_SH_IMM_LOW16_PCREL
3646 || r_type == R_SH_IMM_MEDLOW16_PCREL
3647 || r_type == R_SH_IMM_MEDHI16_PCREL
3648 || r_type == R_SH_IMM_HI16_PCREL)
3649 {
3650 BFD_ASSERT (h != NULL && h->dynindx != -1);
3651 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
3652 outrel.r_addend = addend;
3653 }
3654#endif
37c644f2
AO
3655 else
3656 {
3657 /* h->dynindx may be -1 if this symbol was marked to
3658 become local. */
3659 if (h == NULL
3660 || ((info->symbolic || h->dynindx == -1)
f5385ebf 3661 && h->def_regular))
37c644f2 3662 {
55e6e397 3663 relocate = howto->partial_inplace;
37c644f2 3664 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
3665 }
3666 else
3667 {
3668 BFD_ASSERT (h->dynindx != -1);
37c644f2 3669 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 3670 }
55e6e397
RS
3671 outrel.r_addend = relocation;
3672 outrel.r_addend
3673 += (howto->partial_inplace
3674 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3675 : addend);
37c644f2
AO
3676 }
3677
947216bf
AM
3678 loc = sreloc->contents;
3679 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3680 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3681
3682 /* If this reloc is against an external symbol, we do
3683 not want to fiddle with the addend. Otherwise, we
3684 need to include the symbol value so that it becomes
3685 an addend for the dynamic reloc. */
3686 if (! relocate)
3687 continue;
3688 }
37c644f2
AO
3689 goto final_link_relocate;
3690
fbca6ad9
AO
3691 case R_SH_GOTPLT32:
3692#ifdef INCLUDE_SHMEDIA
3693 case R_SH_GOTPLT_LOW16:
3694 case R_SH_GOTPLT_MEDLOW16:
3695 case R_SH_GOTPLT_MEDHI16:
3696 case R_SH_GOTPLT_HI16:
3697 case R_SH_GOTPLT10BY4:
3698 case R_SH_GOTPLT10BY8:
3699#endif
3700 /* Relocation is to the entry for this symbol in the
3701 procedure linkage table. */
3702
3703 if (h == NULL
f5385ebf 3704 || h->forced_local
fbca6ad9
AO
3705 || ! info->shared
3706 || info->symbolic
3707 || h->dynindx == -1
3708 || h->plt.offset == (bfd_vma) -1
3709 || h->got.offset != (bfd_vma) -1)
3710 goto force_got;
3711
3712 /* Relocation is to the entry for this symbol in the global
3713 offset table extension for the procedure linkage table. */
fbca6ad9 3714
067653c5 3715 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 3716 relocation = (sgotplt->output_offset
55e6e397
RS
3717 + (get_plt_index (htab->plt_info, h->plt.offset)
3718 + 3) * 4);
fbca6ad9
AO
3719
3720#ifdef GOT_BIAS
3721 relocation -= GOT_BIAS;
3722#endif
3723
3724 goto final_link_relocate;
3725
3726 force_got:
37c644f2 3727 case R_SH_GOT32:
fbca6ad9
AO
3728#ifdef INCLUDE_SHMEDIA
3729 case R_SH_GOT_LOW16:
3730 case R_SH_GOT_MEDLOW16:
3731 case R_SH_GOT_MEDHI16:
3732 case R_SH_GOT_HI16:
3733 case R_SH_GOT10BY4:
3734 case R_SH_GOT10BY8:
3735#endif
37c644f2
AO
3736 /* Relocation is to the entry for this symbol in the global
3737 offset table. */
067653c5
AM
3738
3739 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3740
3741 if (h != NULL)
3742 {
b34976b6 3743 bfd_boolean dyn;
37c644f2
AO
3744
3745 off = h->got.offset;
fbca6ad9
AO
3746#ifdef INCLUDE_SHMEDIA
3747 if (seen_stt_datalabel)
3748 {
3749 struct elf_sh_link_hash_entry *hsh;
3750
3751 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3752 off = hsh->datalabel_got.offset;
fbca6ad9
AO
3753 }
3754#endif
37c644f2
AO
3755 BFD_ASSERT (off != (bfd_vma) -1);
3756
067653c5 3757 dyn = htab->root.dynamic_sections_created;
267fb3c1 3758 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 3759 || (info->shared
3d85aebe 3760 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
3761 || (ELF_ST_VISIBILITY (h->other)
3762 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
3763 {
3764 /* This is actually a static link, or it is a
3765 -Bsymbolic link and the symbol is defined
3766 locally, or the symbol was forced to be local
3767 because of a version file. We must initialize
3768 this entry in the global offset table. Since the
3769 offset must always be a multiple of 4, we use the
3770 least significant bit to record whether we have
3771 initialized it already.
3772
3773 When doing a dynamic link, we create a .rela.got
3774 relocation entry to initialize the value. This
3775 is done in the finish_dynamic_symbol routine. */
3776 if ((off & 1) != 0)
3777 off &= ~1;
3778 else
3779 {
3780 bfd_put_32 (output_bfd, relocation,
3781 sgot->contents + off);
fbca6ad9
AO
3782#ifdef INCLUDE_SHMEDIA
3783 if (seen_stt_datalabel)
3784 {
3785 struct elf_sh_link_hash_entry *hsh;
3786
3787 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3788 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
3789 }
3790 else
3791#endif
3792 h->got.offset |= 1;
37c644f2
AO
3793 }
3794 }
3795
3796 relocation = sgot->output_offset + off;
3797 }
3798 else
3799 {
fbca6ad9
AO
3800#ifdef INCLUDE_SHMEDIA
3801 if (rel->r_addend)
3802 {
3803 BFD_ASSERT (local_got_offsets != NULL
3804 && (local_got_offsets[symtab_hdr->sh_info
3805 + r_symndx]
3806 != (bfd_vma) -1));
3807
3808 off = local_got_offsets[symtab_hdr->sh_info
3809 + r_symndx];
3810 }
3811 else
3812 {
3813#endif
37c644f2
AO
3814 BFD_ASSERT (local_got_offsets != NULL
3815 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3816
3817 off = local_got_offsets[r_symndx];
fbca6ad9
AO
3818#ifdef INCLUDE_SHMEDIA
3819 }
3820#endif
37c644f2
AO
3821
3822 /* The offset must always be a multiple of 4. We use
3823 the least significant bit to record whether we have
3824 already generated the necessary reloc. */
3825 if ((off & 1) != 0)
3826 off &= ~1;
3827 else
3828 {
3829 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
3830
3831 if (info->shared)
3832 {
37c644f2 3833 Elf_Internal_Rela outrel;
947216bf 3834 bfd_byte *loc;
37c644f2 3835
3376eaf5
KK
3836 if (srelgot == NULL)
3837 {
3838 srelgot = bfd_get_section_by_name (dynobj,
3839 ".rela.got");
3840 BFD_ASSERT (srelgot != NULL);
3841 }
37c644f2
AO
3842
3843 outrel.r_offset = (sgot->output_section->vma
3844 + sgot->output_offset
3845 + off);
3846 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
3847 outrel.r_addend = relocation;
947216bf
AM
3848 loc = srelgot->contents;
3849 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3850 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3851 }
3852
fbca6ad9
AO
3853#ifdef INCLUDE_SHMEDIA
3854 if (rel->r_addend)
3855 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
3856 else
3857#endif
3858 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
3859 }
3860
3861 relocation = sgot->output_offset + off;
3862 }
3863
fbca6ad9 3864#ifdef GOT_BIAS
067653c5 3865 relocation -= GOT_BIAS;
fbca6ad9
AO
3866#endif
3867
37c644f2
AO
3868 goto final_link_relocate;
3869
3870 case R_SH_GOTOFF:
fbca6ad9
AO
3871#ifdef INCLUDE_SHMEDIA
3872 case R_SH_GOTOFF_LOW16:
3873 case R_SH_GOTOFF_MEDLOW16:
3874 case R_SH_GOTOFF_MEDHI16:
3875 case R_SH_GOTOFF_HI16:
3876#endif
37c644f2
AO
3877 /* Relocation is relative to the start of the global offset
3878 table. */
3879
067653c5 3880 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3881
3882 /* Note that sgot->output_offset is not involved in this
3883 calculation. We always want the start of .got. If we
3884 defined _GLOBAL_OFFSET_TABLE in a different way, as is
3885 permitted by the ABI, we might have to change this
3886 calculation. */
3887 relocation -= sgot->output_section->vma;
3888
fbca6ad9
AO
3889#ifdef GOT_BIAS
3890 relocation -= GOT_BIAS;
3891#endif
3892
3893 addend = rel->r_addend;
3894
37c644f2
AO
3895 goto final_link_relocate;
3896
3897 case R_SH_GOTPC:
fbca6ad9
AO
3898#ifdef INCLUDE_SHMEDIA
3899 case R_SH_GOTPC_LOW16:
3900 case R_SH_GOTPC_MEDLOW16:
3901 case R_SH_GOTPC_MEDHI16:
3902 case R_SH_GOTPC_HI16:
3903#endif
37c644f2
AO
3904 /* Use global offset table as symbol value. */
3905
067653c5 3906 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3907 relocation = sgot->output_section->vma;
3908
fbca6ad9
AO
3909#ifdef GOT_BIAS
3910 relocation += GOT_BIAS;
3911#endif
3912
3913 addend = rel->r_addend;
3914
37c644f2
AO
3915 goto final_link_relocate;
3916
3917 case R_SH_PLT32:
fbca6ad9
AO
3918#ifdef INCLUDE_SHMEDIA
3919 case R_SH_PLT_LOW16:
3920 case R_SH_PLT_MEDLOW16:
3921 case R_SH_PLT_MEDHI16:
3922 case R_SH_PLT_HI16:
3923#endif
37c644f2
AO
3924 /* Relocation is to the entry for this symbol in the
3925 procedure linkage table. */
3926
3927 /* Resolve a PLT reloc against a local symbol directly,
3928 without using the procedure linkage table. */
3929 if (h == NULL)
3930 goto final_link_relocate;
3931
f5385ebf 3932 if (h->forced_local)
37c644f2
AO
3933 goto final_link_relocate;
3934
3935 if (h->plt.offset == (bfd_vma) -1)
3936 {
3937 /* We didn't make a PLT entry for this symbol. This
3938 happens when statically linking PIC code, or when
3939 using -Bsymbolic. */
3940 goto final_link_relocate;
3941 }
3942
067653c5 3943 BFD_ASSERT (splt != NULL);
37c644f2
AO
3944 relocation = (splt->output_section->vma
3945 + splt->output_offset
3946 + h->plt.offset);
3947
fbca6ad9
AO
3948#ifdef INCLUDE_SHMEDIA
3949 relocation++;
3950#endif
3951
3952 addend = rel->r_addend;
3953
37c644f2
AO
3954 goto final_link_relocate;
3955
3956 case R_SH_LOOP_START:
3957 {
3958 static bfd_vma start, end;
3959
3960 start = (relocation + rel->r_addend
3961 - (sec->output_section->vma + sec->output_offset));
3962 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3963 rel->r_offset, sec, start, end);
3964 break;
3965
3966 case R_SH_LOOP_END:
3967 end = (relocation + rel->r_addend
3968 - (sec->output_section->vma + sec->output_offset));
3969 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3970 rel->r_offset, sec, start, end);
3971 break;
3972 }
3376eaf5
KK
3973
3974 case R_SH_TLS_GD_32:
3975 case R_SH_TLS_IE_32:
3976 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
3977 tls_type = GOT_UNKNOWN;
3978 if (h == NULL && local_got_offsets)
3979 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
3980 else if (h != NULL)
3981 {
3982 tls_type = sh_elf_hash_entry (h)->tls_type;
3983 if (! info->shared
3984 && (h->dynindx == -1
f5385ebf 3985 || h->def_regular))
267fb3c1 3986 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
3987 }
3988
3989 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
3990 r_type = R_SH_TLS_IE_32;
3991
3992 if (r_type == R_SH_TLS_LE_32)
3993 {
3994 bfd_vma offset;
3995 unsigned short insn;
3376eaf5
KK
3996
3997 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
3998 {
3999 /* GD->LE transition:
4000 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 4001 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
4002 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4003 We change it into:
4004 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4005 nop; nop; ...
4006 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4007
4008 offset = rel->r_offset;
4009 BFD_ASSERT (offset >= 16);
4010 /* Size of GD instructions is 16 or 18. */
4011 offset -= 16;
4012 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4013 if ((insn & 0xff00) == 0xc700)
4014 {
4015 BFD_ASSERT (offset >= 2);
4016 offset -= 2;
4017 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4018 }
4019
4020 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4021 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4022 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4023 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4024 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4025 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4026 BFD_ASSERT (insn == 0x310c);
4027 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4028 BFD_ASSERT (insn == 0x410b);
4029 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4030 BFD_ASSERT (insn == 0x34cc);
4031
4032 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4033 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4034 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4035 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4036 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4037 }
4038 else
4039 {
4040 int index;
4041
4042 /* IE->LE transition:
4043 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
4044 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
4045 We change it into:
4046 mov.l .Ln,rM; stc gbr,rN; nop; ...;
4047 1: x@TPOFF; 2:. */
4048
4049 offset = rel->r_offset;
4050 BFD_ASSERT (offset >= 16);
4051 /* Size of IE instructions is 10 or 12. */
4052 offset -= 10;
4053 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4054 if ((insn & 0xf0ff) == 0x0012)
4055 {
4056 BFD_ASSERT (offset >= 2);
4057 offset -= 2;
4058 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4059 }
4060
4061 BFD_ASSERT ((insn & 0xff00) == 0xd000);
4062 index = insn & 0x00ff;
4063 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4064 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
4065 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4066 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
4067 insn = 0xd000 | (insn & 0x0f00) | index;
4068 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4069 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4070 }
4071
267fb3c1
KK
4072 bfd_put_32 (output_bfd, tpoff (info, relocation),
4073 contents + rel->r_offset);
3376eaf5
KK
4074 continue;
4075 }
4076
4077 sgot = htab->sgot;
4078 if (sgot == NULL)
4079 abort ();
4080
4081 if (h != NULL)
4082 off = h->got.offset;
4083 else
4084 {
4085 if (local_got_offsets == NULL)
4086 abort ();
4087
4088 off = local_got_offsets[r_symndx];
4089 }
4090
267fb3c1
KK
4091 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4092 if (r_type == R_SH_TLS_IE_32
4093 && ! htab->root.dynamic_sections_created)
4094 {
4095 off &= ~1;
4096 bfd_put_32 (output_bfd, tpoff (info, relocation),
4097 sgot->contents + off);
4098 bfd_put_32 (output_bfd, sgot->output_offset + off,
4099 contents + rel->r_offset);
4100 continue;
4101 }
4102
3376eaf5
KK
4103 if ((off & 1) != 0)
4104 off &= ~1;
26e41594 4105 else
3376eaf5
KK
4106 {
4107 Elf_Internal_Rela outrel;
947216bf 4108 bfd_byte *loc;
3376eaf5
KK
4109 int dr_type, indx;
4110
4111 if (srelgot == NULL)
4112 {
4113 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4114 BFD_ASSERT (srelgot != NULL);
4115 }
4116
4117 outrel.r_offset = (sgot->output_section->vma
4118 + sgot->output_offset + off);
4119
267fb3c1 4120 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
4121 indx = 0;
4122 else
4123 indx = h->dynindx;
267fb3c1 4124
3376eaf5
KK
4125 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4126 R_SH_TLS_TPOFF32);
4127 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4128 outrel.r_addend = relocation - dtpoff_base (info);
4129 else
4130 outrel.r_addend = 0;
4131 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
4132 loc = srelgot->contents;
4133 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4134 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4135
4136 if (r_type == R_SH_TLS_GD_32)
4137 {
4138 if (indx == 0)
4139 {
4140 bfd_put_32 (output_bfd,
4141 relocation - dtpoff_base (info),
4142 sgot->contents + off + 4);
4143 }
4144 else
4145 {
4146 outrel.r_info = ELF32_R_INFO (indx,
4147 R_SH_TLS_DTPOFF32);
4148 outrel.r_offset += 4;
4149 outrel.r_addend = 0;
4150 srelgot->reloc_count++;
947216bf
AM
4151 loc += sizeof (Elf32_External_Rela);
4152 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4153 }
4154 }
4155
4156 if (h != NULL)
4157 h->got.offset |= 1;
4158 else
4159 local_got_offsets[r_symndx] |= 1;
4160 }
4161
4162 if (off >= (bfd_vma) -2)
4163 abort ();
4164
4165 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
4166 relocation = sgot->output_offset + off;
4167 else
4168 {
4169 bfd_vma offset;
4170 unsigned short insn;
4171
4172 /* GD->IE transition:
4173 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4174 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4175 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4176 We change it into:
4177 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4178 nop; nop; bra 3f; nop; .align 2;
4179 1: .long x@TPOFF; 2:...; 3:. */
4180
4181 offset = rel->r_offset;
4182 BFD_ASSERT (offset >= 16);
4183 /* Size of GD instructions is 16 or 18. */
4184 offset -= 16;
4185 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4186 if ((insn & 0xff00) == 0xc700)
4187 {
4188 BFD_ASSERT (offset >= 2);
4189 offset -= 2;
4190 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4191 }
4192
4193 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4194
4195 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4196 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4197
4198 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4199 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4200 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4201 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4202 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4203 BFD_ASSERT (insn == 0x310c);
4204 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4205 BFD_ASSERT (insn == 0x410b);
4206 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4207 BFD_ASSERT (insn == 0x34cc);
4208
4209 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4210 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4211 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4212 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4213 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4214
4215 bfd_put_32 (output_bfd, sgot->output_offset + off,
4216 contents + rel->r_offset);
4217
4218 continue;
4219 }
4220
4221 addend = rel->r_addend;
4222
4223 goto final_link_relocate;
4224
4225 case R_SH_TLS_LD_32:
4226 if (! info->shared)
4227 {
4228 bfd_vma offset;
4229 unsigned short insn;
4230
4231 /* LD->LE transition:
4232 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4233 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4234 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4235 We change it into:
4236 stc gbr,r0; nop; nop; nop;
4237 nop; nop; bra 3f; ...; 3:. */
4238
4239 offset = rel->r_offset;
4240 BFD_ASSERT (offset >= 16);
4241 /* Size of LD instructions is 16 or 18. */
4242 offset -= 16;
4243 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4244 if ((insn & 0xff00) == 0xc700)
4245 {
4246 BFD_ASSERT (offset >= 2);
4247 offset -= 2;
4248 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4249 }
4250
4251 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4252 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4253 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4254 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4255 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4256 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4257 BFD_ASSERT (insn == 0x310c);
4258 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4259 BFD_ASSERT (insn == 0x410b);
4260 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4261 BFD_ASSERT (insn == 0x34cc);
4262
4263 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
4264 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
4265 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4266 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4267 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4268 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4269
4270 continue;
4271 }
4272
4273 sgot = htab->sgot;
4274 if (sgot == NULL)
4275 abort ();
4276
4277 off = htab->tls_ldm_got.offset;
4278 if (off & 1)
4279 off &= ~1;
4280 else
4281 {
4282 Elf_Internal_Rela outrel;
947216bf 4283 bfd_byte *loc;
3376eaf5
KK
4284
4285 srelgot = htab->srelgot;
4286 if (srelgot == NULL)
4287 abort ();
4288
4289 outrel.r_offset = (sgot->output_section->vma
4290 + sgot->output_offset + off);
4291 outrel.r_addend = 0;
4292 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
4293 loc = srelgot->contents;
4294 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4295 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4296 htab->tls_ldm_got.offset |= 1;
4297 }
4298
4299 relocation = sgot->output_offset + off;
4300 addend = rel->r_addend;
4301
4302 goto final_link_relocate;
4303
4304 case R_SH_TLS_LDO_32:
4305 if (! info->shared)
267fb3c1 4306 relocation = tpoff (info, relocation);
3376eaf5
KK
4307 else
4308 relocation -= dtpoff_base (info);
4309
4310 addend = rel->r_addend;
4311 goto final_link_relocate;
4312
4313 case R_SH_TLS_LE_32:
4314 {
4315 int indx;
4316 Elf_Internal_Rela outrel;
947216bf 4317 bfd_byte *loc;
3376eaf5 4318
267fb3c1
KK
4319 if (! info->shared)
4320 {
4321 relocation = tpoff (info, relocation);
4322 addend = rel->r_addend;
4323 goto final_link_relocate;
4324 }
4325
3376eaf5
KK
4326 if (sreloc == NULL)
4327 {
4328 const char *name;
4329
4330 name = (bfd_elf_string_from_elf_section
4331 (input_bfd,
4332 elf_elfheader (input_bfd)->e_shstrndx,
4333 elf_section_data (input_section)->rel_hdr.sh_name));
4334 if (name == NULL)
b34976b6 4335 return FALSE;
3376eaf5 4336
0112cd26 4337 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
3376eaf5
KK
4338 && strcmp (bfd_get_section_name (input_bfd,
4339 input_section),
4340 name + 5) == 0);
4341
4342 sreloc = bfd_get_section_by_name (dynobj, name);
4343 BFD_ASSERT (sreloc != NULL);
4344 }
4345
267fb3c1
KK
4346 if (h == NULL || h->dynindx == -1)
4347 indx = 0;
4348 else
4349 indx = h->dynindx;
4350
3376eaf5
KK
4351 outrel.r_offset = (input_section->output_section->vma
4352 + input_section->output_offset
4353 + rel->r_offset);
4354 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
4355 if (indx == 0)
4356 outrel.r_addend = relocation - dtpoff_base (info);
4357 else
4358 outrel.r_addend = 0;
3376eaf5 4359
947216bf
AM
4360 loc = sreloc->contents;
4361 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4362 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4363 continue;
4364 }
37c644f2
AO
4365 }
4366
146be91a 4367 relocation_done:
37c644f2
AO
4368 if (r != bfd_reloc_ok)
4369 {
4370 switch (r)
4371 {
4372 default:
4373 case bfd_reloc_outofrange:
4374 abort ();
4375 case bfd_reloc_overflow:
4376 {
4377 const char *name;
4378
4379 if (h != NULL)
dfeffb9f 4380 name = NULL;
37c644f2
AO
4381 else
4382 {
252b5132
RH
4383 name = (bfd_elf_string_from_elf_section
4384 (input_bfd, symtab_hdr->sh_link, sym->st_name));
4385 if (name == NULL)
b34976b6 4386 return FALSE;
252b5132
RH
4387 if (*name == '\0')
4388 name = bfd_section_name (input_bfd, sec);
4389 }
4390 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
4391 (info, (h ? &h->root : NULL), name, howto->name,
4392 (bfd_vma) 0, input_bfd, input_section,
4393 rel->r_offset)))
b34976b6 4394 return FALSE;
252b5132
RH
4395 }
4396 break;
4397 }
4398 }
4399 }
4400
b34976b6 4401 return TRUE;
252b5132
RH
4402}
4403
4404/* This is a version of bfd_generic_get_relocated_section_contents
4405 which uses sh_elf_relocate_section. */
4406
4407static bfd_byte *
09fd220b
KK
4408sh_elf_get_relocated_section_contents (bfd *output_bfd,
4409 struct bfd_link_info *link_info,
4410 struct bfd_link_order *link_order,
4411 bfd_byte *data,
4412 bfd_boolean relocatable,
4413 asymbol **symbols)
252b5132
RH
4414{
4415 Elf_Internal_Shdr *symtab_hdr;
4416 asection *input_section = link_order->u.indirect.section;
4417 bfd *input_bfd = input_section->owner;
4418 asection **sections = NULL;
4419 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 4420 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
4421
4422 /* We only need to handle the case of relaxing, or of having a
4423 particular set of section contents, specially. */
1049f94e 4424 if (relocatable
252b5132
RH
4425 || elf_section_data (input_section)->this_hdr.contents == NULL)
4426 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4427 link_order, data,
1049f94e 4428 relocatable,
252b5132
RH
4429 symbols);
4430
0ffa91dd 4431 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
4432
4433 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 4434 (size_t) input_section->size);
252b5132
RH
4435
4436 if ((input_section->flags & SEC_RELOC) != 0
4437 && input_section->reloc_count > 0)
4438 {
252b5132 4439 asection **secpp;
6cdc0ccc 4440 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 4441 bfd_size_type amt;
252b5132 4442
45d6a902 4443 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 4444 (input_bfd, input_section, NULL,
b34976b6 4445 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
4446 if (internal_relocs == NULL)
4447 goto error_return;
4448
6cdc0ccc
AM
4449 if (symtab_hdr->sh_info != 0)
4450 {
4451 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4452 if (isymbuf == NULL)
4453 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4454 symtab_hdr->sh_info, 0,
4455 NULL, NULL, NULL);
4456 if (isymbuf == NULL)
4457 goto error_return;
4458 }
252b5132 4459
9ad5cbcf
AM
4460 amt = symtab_hdr->sh_info;
4461 amt *= sizeof (asection *);
4462 sections = (asection **) bfd_malloc (amt);
4463 if (sections == NULL && amt != 0)
252b5132
RH
4464 goto error_return;
4465
6cdc0ccc
AM
4466 isymend = isymbuf + symtab_hdr->sh_info;
4467 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
4468 {
4469 asection *isec;
4470
6cdc0ccc 4471 if (isym->st_shndx == SHN_UNDEF)
252b5132 4472 isec = bfd_und_section_ptr;
6cdc0ccc 4473 else if (isym->st_shndx == SHN_ABS)
252b5132 4474 isec = bfd_abs_section_ptr;
6cdc0ccc 4475 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
4476 isec = bfd_com_section_ptr;
4477 else
6cdc0ccc 4478 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
4479
4480 *secpp = isec;
4481 }
4482
4483 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
4484 input_section, data, internal_relocs,
6cdc0ccc 4485 isymbuf, sections))
252b5132
RH
4486 goto error_return;
4487
4488 if (sections != NULL)
4489 free (sections);
6cdc0ccc
AM
4490 if (isymbuf != NULL
4491 && symtab_hdr->contents != (unsigned char *) isymbuf)
4492 free (isymbuf);
4493 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 4494 free (internal_relocs);
252b5132
RH
4495 }
4496
4497 return data;
4498
4499 error_return:
252b5132
RH
4500 if (sections != NULL)
4501 free (sections);
6cdc0ccc
AM
4502 if (isymbuf != NULL
4503 && symtab_hdr->contents != (unsigned char *) isymbuf)
4504 free (isymbuf);
4505 if (internal_relocs != NULL
4506 && elf_section_data (input_section)->relocs != internal_relocs)
4507 free (internal_relocs);
252b5132
RH
4508 return NULL;
4509}
917583ad 4510
3376eaf5
KK
4511/* Return the base VMA address which should be subtracted from real addresses
4512 when resolving @dtpoff relocation.
4513 This is PT_TLS segment p_vaddr. */
4514
4515static bfd_vma
09fd220b 4516dtpoff_base (struct bfd_link_info *info)
3376eaf5 4517{
e1918d23
AM
4518 /* If tls_sec is NULL, we should have signalled an error already. */
4519 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 4520 return 0;
e1918d23 4521 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
4522}
4523
267fb3c1
KK
4524/* Return the relocation value for R_SH_TLS_TPOFF32.. */
4525
4526static bfd_vma
09fd220b 4527tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 4528{
e1918d23
AM
4529 /* If tls_sec is NULL, we should have signalled an error already. */
4530 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
4531 return 0;
4532 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
4533 structure which has 2 pointer fields. */
044ad7e3
KK
4534 return (address - elf_hash_table (info)->tls_sec->vma
4535 + align_power ((bfd_vma) 8,
4536 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
4537}
4538
252b5132 4539static asection *
09fd220b 4540sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
4541 struct bfd_link_info *info,
4542 Elf_Internal_Rela *rel,
4543 struct elf_link_hash_entry *h,
09fd220b 4544 Elf_Internal_Sym *sym)
252b5132
RH
4545{
4546 if (h != NULL)
07adf181
AM
4547 switch (ELF32_R_TYPE (rel->r_info))
4548 {
4549 case R_SH_GNU_VTINHERIT:
4550 case R_SH_GNU_VTENTRY:
4551 return NULL;
4552 }
9ad5cbcf 4553
07adf181 4554 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
4555}
4556
37c644f2
AO
4557/* Update the got entry reference counts for the section being removed. */
4558
b34976b6 4559static bfd_boolean
09fd220b
KK
4560sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
4561 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 4562{
067653c5
AM
4563 Elf_Internal_Shdr *symtab_hdr;
4564 struct elf_link_hash_entry **sym_hashes;
4565 bfd_signed_vma *local_got_refcounts;
4566 const Elf_Internal_Rela *rel, *relend;
067653c5 4567
7dda2462
TG
4568 if (info->relocatable)
4569 return TRUE;
4570
067653c5
AM
4571 elf_section_data (sec)->local_dynrel = NULL;
4572
0ffa91dd 4573 symtab_hdr = &elf_symtab_hdr (abfd);
067653c5
AM
4574 sym_hashes = elf_sym_hashes (abfd);
4575 local_got_refcounts = elf_local_got_refcounts (abfd);
4576
4577 relend = relocs + sec->reloc_count;
4578 for (rel = relocs; rel < relend; rel++)
396a6083 4579 {
26e41594
AM
4580 unsigned long r_symndx;
4581 unsigned int r_type;
4582 struct elf_link_hash_entry *h = NULL;
396a6083
SC
4583#ifdef INCLUDE_SHMEDIA
4584 int seen_stt_datalabel = 0;
4585#endif
3376eaf5 4586
396a6083 4587 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 4588 if (r_symndx >= symtab_hdr->sh_info)
396a6083 4589 {
26e41594
AM
4590 struct elf_sh_link_hash_entry *eh;
4591 struct elf_sh_dyn_relocs **pp;
4592 struct elf_sh_dyn_relocs *p;
4593
396a6083 4594 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4595 while (h->root.type == bfd_link_hash_indirect
4596 || h->root.type == bfd_link_hash_warning)
4597 {
3eb128b2 4598#ifdef INCLUDE_SHMEDIA
396a6083 4599 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 4600#endif
396a6083
SC
4601 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4602 }
26e41594
AM
4603 eh = (struct elf_sh_link_hash_entry *) h;
4604 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
4605 if (p->sec == sec)
4606 {
4607 /* Everything must go for SEC. */
4608 *pp = p->next;
4609 break;
4610 }
396a6083 4611 }
067653c5 4612
26e41594
AM
4613 r_type = ELF32_R_TYPE (rel->r_info);
4614 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
4615 {
4616 case R_SH_TLS_LD_32:
4617 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
4618 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
4619 break;
4620
4621 case R_SH_GOT32:
4622 case R_SH_GOTOFF:
4623 case R_SH_GOTPC:
4624#ifdef INCLUDE_SHMEDIA
4625 case R_SH_GOT_LOW16:
4626 case R_SH_GOT_MEDLOW16:
4627 case R_SH_GOT_MEDHI16:
4628 case R_SH_GOT_HI16:
4629 case R_SH_GOT10BY4:
4630 case R_SH_GOT10BY8:
4631 case R_SH_GOTOFF_LOW16:
4632 case R_SH_GOTOFF_MEDLOW16:
4633 case R_SH_GOTOFF_MEDHI16:
4634 case R_SH_GOTOFF_HI16:
4635 case R_SH_GOTPC_LOW16:
4636 case R_SH_GOTPC_MEDLOW16:
4637 case R_SH_GOTPC_MEDHI16:
4638 case R_SH_GOTPC_HI16:
4639#endif
4640 case R_SH_TLS_GD_32:
4641 case R_SH_TLS_IE_32:
4642 if (h != NULL)
4643 {
4644#ifdef INCLUDE_SHMEDIA
4645 if (seen_stt_datalabel)
4646 {
26e41594
AM
4647 struct elf_sh_link_hash_entry *eh;
4648 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
4649 if (eh->datalabel_got.refcount > 0)
4650 eh->datalabel_got.refcount -= 1;
4651 }
4652 else
4653#endif
4654 if (h->got.refcount > 0)
4655 h->got.refcount -= 1;
4656 }
4657 else if (local_got_refcounts != NULL)
4658 {
4659#ifdef INCLUDE_SHMEDIA
4660 if (rel->r_addend & 1)
4661 {
4662 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4663 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4664 }
4665 else
4666#endif
4667 if (local_got_refcounts[r_symndx] > 0)
4668 local_got_refcounts[r_symndx] -= 1;
4669 }
4670 break;
4671
4672 case R_SH_DIR32:
4673 case R_SH_REL32:
26e41594
AM
4674 if (info->shared)
4675 break;
4676 /* Fall thru */
396a6083
SC
4677
4678 case R_SH_PLT32:
4679#ifdef INCLUDE_SHMEDIA
4680 case R_SH_PLT_LOW16:
4681 case R_SH_PLT_MEDLOW16:
4682 case R_SH_PLT_MEDHI16:
4683 case R_SH_PLT_HI16:
4684#endif
4685 if (h != NULL)
4686 {
4687 if (h->plt.refcount > 0)
4688 h->plt.refcount -= 1;
4689 }
4690 break;
067653c5 4691
396a6083
SC
4692 case R_SH_GOTPLT32:
4693#ifdef INCLUDE_SHMEDIA
4694 case R_SH_GOTPLT_LOW16:
4695 case R_SH_GOTPLT_MEDLOW16:
4696 case R_SH_GOTPLT_MEDHI16:
4697 case R_SH_GOTPLT_HI16:
4698 case R_SH_GOTPLT10BY4:
4699 case R_SH_GOTPLT10BY8:
4700#endif
4701 if (h != NULL)
4702 {
26e41594
AM
4703 struct elf_sh_link_hash_entry *eh;
4704 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 4705 if (eh->gotplt_refcount > 0)
067653c5 4706 {
396a6083
SC
4707 eh->gotplt_refcount -= 1;
4708 if (h->plt.refcount > 0)
4709 h->plt.refcount -= 1;
067653c5 4710 }
067653c5 4711#ifdef INCLUDE_SHMEDIA
396a6083
SC
4712 else if (seen_stt_datalabel)
4713 {
4714 if (eh->datalabel_got.refcount > 0)
4715 eh->datalabel_got.refcount -= 1;
4716 }
067653c5 4717#endif
396a6083
SC
4718 else if (h->got.refcount > 0)
4719 h->got.refcount -= 1;
4720 }
4721 else if (local_got_refcounts != NULL)
4722 {
067653c5 4723#ifdef INCLUDE_SHMEDIA
396a6083
SC
4724 if (rel->r_addend & 1)
4725 {
4726 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4727 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4728 }
4729 else
067653c5 4730#endif
396a6083
SC
4731 if (local_got_refcounts[r_symndx] > 0)
4732 local_got_refcounts[r_symndx] -= 1;
4733 }
4734 break;
067653c5 4735
396a6083
SC
4736 default:
4737 break;
4738 }
4739 }
067653c5 4740
b34976b6 4741 return TRUE;
252b5132
RH
4742}
4743
067653c5
AM
4744/* Copy the extra info we tack onto an elf_link_hash_entry. */
4745
4746static void
fcfa13d2 4747sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
4748 struct elf_link_hash_entry *dir,
4749 struct elf_link_hash_entry *ind)
067653c5
AM
4750{
4751 struct elf_sh_link_hash_entry *edir, *eind;
4752
4753 edir = (struct elf_sh_link_hash_entry *) dir;
4754 eind = (struct elf_sh_link_hash_entry *) ind;
4755
4756 if (eind->dyn_relocs != NULL)
4757 {
4758 if (edir->dyn_relocs != NULL)
4759 {
4760 struct elf_sh_dyn_relocs **pp;
4761 struct elf_sh_dyn_relocs *p;
4762
fcfa13d2 4763 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
4764 list. Merge any entries against the same section. */
4765 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
4766 {
4767 struct elf_sh_dyn_relocs *q;
4768
4769 for (q = edir->dyn_relocs; q != NULL; q = q->next)
4770 if (q->sec == p->sec)
4771 {
4772 q->pc_count += p->pc_count;
4773 q->count += p->count;
4774 *pp = p->next;
4775 break;
4776 }
4777 if (q == NULL)
4778 pp = &p->next;
4779 }
4780 *pp = edir->dyn_relocs;
4781 }
4782
4783 edir->dyn_relocs = eind->dyn_relocs;
4784 eind->dyn_relocs = NULL;
4785 }
4989d792
SC
4786 edir->gotplt_refcount = eind->gotplt_refcount;
4787 eind->gotplt_refcount = 0;
396a6083 4788#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
4789 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
4790 eind->datalabel_got.refcount = 0;
396a6083 4791#endif
067653c5 4792
3376eaf5
KK
4793 if (ind->root.type == bfd_link_hash_indirect
4794 && dir->got.refcount <= 0)
4795 {
4796 edir->tls_type = eind->tls_type;
4797 eind->tls_type = GOT_UNKNOWN;
4798 }
4799
04e534c3 4800 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
4801 && dir->dynamic_adjusted)
4802 {
4803 /* If called to transfer flags for a weakdef during processing
4804 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
4805 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
4806 dir->ref_dynamic |= ind->ref_dynamic;
4807 dir->ref_regular |= ind->ref_regular;
4808 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
4809 dir->needs_plt |= ind->needs_plt;
4810 }
04e534c3 4811 else
fcfa13d2 4812 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
4813}
4814
3376eaf5 4815static int
09fd220b
KK
4816sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
4817 int is_local)
3376eaf5
KK
4818{
4819 if (info->shared)
4820 return r_type;
4821
4822 switch (r_type)
4823 {
4824 case R_SH_TLS_GD_32:
4825 case R_SH_TLS_IE_32:
4826 if (is_local)
4827 return R_SH_TLS_LE_32;
4828 return R_SH_TLS_IE_32;
4829 case R_SH_TLS_LD_32:
4830 return R_SH_TLS_LE_32;
4831 }
4832
4833 return r_type;
4834}
4835
252b5132
RH
4836/* Look through the relocs for a section during the first phase.
4837 Since we don't do .gots or .plts, we just need to consider the
4838 virtual table relocs for gc. */
435b1e90 4839
b34976b6 4840static bfd_boolean
09fd220b
KK
4841sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
4842 const Elf_Internal_Rela *relocs)
252b5132
RH
4843{
4844 Elf_Internal_Shdr *symtab_hdr;
5582a088 4845 struct elf_link_hash_entry **sym_hashes;
067653c5 4846 struct elf_sh_link_hash_table *htab;
252b5132
RH
4847 const Elf_Internal_Rela *rel;
4848 const Elf_Internal_Rela *rel_end;
37c644f2
AO
4849 bfd_vma *local_got_offsets;
4850 asection *sgot;
4851 asection *srelgot;
4852 asection *sreloc;
3376eaf5
KK
4853 unsigned int r_type;
4854 int tls_type, old_tls_type;
435b1e90 4855
37c644f2
AO
4856 sgot = NULL;
4857 srelgot = NULL;
4858 sreloc = NULL;
4859
1049f94e 4860 if (info->relocatable)
b34976b6 4861 return TRUE;
435b1e90 4862
0ffa91dd
NC
4863 BFD_ASSERT (is_sh_elf (abfd));
4864
4865 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 4866 sym_hashes = elf_sym_hashes (abfd);
435b1e90 4867
067653c5 4868 htab = sh_elf_hash_table (info);
37c644f2
AO
4869 local_got_offsets = elf_local_got_offsets (abfd);
4870
252b5132
RH
4871 rel_end = relocs + sec->reloc_count;
4872 for (rel = relocs; rel < rel_end; rel++)
4873 {
4874 struct elf_link_hash_entry *h;
4875 unsigned long r_symndx;
396a6083
SC
4876#ifdef INCLUDE_SHMEDIA
4877 int seen_stt_datalabel = 0;
4878#endif
435b1e90 4879
252b5132 4880 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
4881 r_type = ELF32_R_TYPE (rel->r_info);
4882
252b5132 4883 if (r_symndx < symtab_hdr->sh_info)
435b1e90 4884 h = NULL;
252b5132 4885 else
396a6083
SC
4886 {
4887 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4888 while (h->root.type == bfd_link_hash_indirect
4889 || h->root.type == bfd_link_hash_warning)
4890 {
973a3492 4891#ifdef INCLUDE_SHMEDIA
396a6083 4892 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 4893#endif
396a6083
SC
4894 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4895 }
396a6083 4896 }
435b1e90 4897
3376eaf5
KK
4898 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4899 if (! info->shared
4900 && r_type == R_SH_TLS_IE_32
4901 && h != NULL
4902 && h->root.type != bfd_link_hash_undefined
4903 && h->root.type != bfd_link_hash_undefweak
4904 && (h->dynindx == -1
f5385ebf 4905 || h->def_regular))
3376eaf5
KK
4906 r_type = R_SH_TLS_LE_32;
4907
37c644f2 4908 /* Some relocs require a global offset table. */
067653c5 4909 if (htab->sgot == NULL)
37c644f2 4910 {
3376eaf5 4911 switch (r_type)
37c644f2 4912 {
fbca6ad9 4913 case R_SH_GOTPLT32:
37c644f2
AO
4914 case R_SH_GOT32:
4915 case R_SH_GOTOFF:
4916 case R_SH_GOTPC:
fbca6ad9
AO
4917#ifdef INCLUDE_SHMEDIA
4918 case R_SH_GOTPLT_LOW16:
4919 case R_SH_GOTPLT_MEDLOW16:
4920 case R_SH_GOTPLT_MEDHI16:
4921 case R_SH_GOTPLT_HI16:
4922 case R_SH_GOTPLT10BY4:
4923 case R_SH_GOTPLT10BY8:
4924 case R_SH_GOT_LOW16:
4925 case R_SH_GOT_MEDLOW16:
4926 case R_SH_GOT_MEDHI16:
4927 case R_SH_GOT_HI16:
4928 case R_SH_GOT10BY4:
4929 case R_SH_GOT10BY8:
4930 case R_SH_GOTOFF_LOW16:
4931 case R_SH_GOTOFF_MEDLOW16:
4932 case R_SH_GOTOFF_MEDHI16:
4933 case R_SH_GOTOFF_HI16:
4934 case R_SH_GOTPC_LOW16:
4935 case R_SH_GOTPC_MEDLOW16:
4936 case R_SH_GOTPC_MEDHI16:
4937 case R_SH_GOTPC_HI16:
4938#endif
3376eaf5
KK
4939 case R_SH_TLS_GD_32:
4940 case R_SH_TLS_LD_32:
4941 case R_SH_TLS_IE_32:
2293c499
AM
4942 if (htab->sgot == NULL)
4943 {
4944 if (htab->root.dynobj == NULL)
4945 htab->root.dynobj = abfd;
4946 if (!create_got_section (htab->root.dynobj, info))
4947 return FALSE;
4948 }
37c644f2
AO
4949 break;
4950
4951 default:
4952 break;
4953 }
4954 }
4955
3376eaf5 4956 switch (r_type)
067653c5
AM
4957 {
4958 /* This relocation describes the C++ object vtable hierarchy.
4959 Reconstruct it for later use during GC. */
435b1e90 4960 case R_SH_GNU_VTINHERIT:
c152c796 4961 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 4962 return FALSE;
435b1e90
KH
4963 break;
4964
067653c5
AM
4965 /* This relocation describes which C++ vtable entries are actually
4966 used. Record for later use during GC. */
435b1e90 4967 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
4968 BFD_ASSERT (h != NULL);
4969 if (h != NULL
4970 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 4971 return FALSE;
435b1e90 4972 break;
37c644f2 4973
3376eaf5
KK
4974 case R_SH_TLS_IE_32:
4975 if (info->shared)
4976 info->flags |= DF_STATIC_TLS;
4977
4978 /* FALLTHROUGH */
267fb3c1 4979 force_got:
3376eaf5 4980 case R_SH_TLS_GD_32:
37c644f2 4981 case R_SH_GOT32:
fbca6ad9
AO
4982#ifdef INCLUDE_SHMEDIA
4983 case R_SH_GOT_LOW16:
4984 case R_SH_GOT_MEDLOW16:
4985 case R_SH_GOT_MEDHI16:
4986 case R_SH_GOT_HI16:
4987 case R_SH_GOT10BY4:
4988 case R_SH_GOT10BY8:
4989#endif
3376eaf5
KK
4990 switch (r_type)
4991 {
4992 default:
4993 tls_type = GOT_NORMAL;
4994 break;
4995 case R_SH_TLS_GD_32:
4996 tls_type = GOT_TLS_GD;
4997 break;
4998 case R_SH_TLS_IE_32:
4999 tls_type = GOT_TLS_IE;
5000 break;
5001 }
5002
37c644f2 5003 if (h != NULL)
3376eaf5 5004 {
396a6083
SC
5005#ifdef INCLUDE_SHMEDIA
5006 if (seen_stt_datalabel)
5007 {
b34976b6
AM
5008 struct elf_sh_link_hash_entry *eh
5009 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5010
5011 eh->datalabel_got.refcount += 1;
5012 }
5013 else
5014#endif
5015 h->got.refcount += 1;
3376eaf5
KK
5016 old_tls_type = sh_elf_hash_entry (h)->tls_type;
5017 }
37c644f2
AO
5018 else
5019 {
067653c5
AM
5020 bfd_signed_vma *local_got_refcounts;
5021
435b1e90 5022 /* This is a global offset table entry for a local
067653c5
AM
5023 symbol. */
5024 local_got_refcounts = elf_local_got_refcounts (abfd);
5025 if (local_got_refcounts == NULL)
37c644f2 5026 {
dc810e39 5027 bfd_size_type size;
37c644f2 5028
dc810e39 5029 size = symtab_hdr->sh_info;
067653c5 5030 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
5031#ifdef INCLUDE_SHMEDIA
5032 /* Reserve space for both the datalabel and
5033 codelabel local GOT offsets. */
5034 size *= 2;
5035#endif
3376eaf5 5036 size += symtab_hdr->sh_info;
067653c5
AM
5037 local_got_refcounts = ((bfd_signed_vma *)
5038 bfd_zalloc (abfd, size));
5039 if (local_got_refcounts == NULL)
b34976b6 5040 return FALSE;
067653c5 5041 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
5042#ifdef INCLUDE_SHMEDIA
5043 /* Take care of both the datalabel and codelabel local
5044 GOT offsets. */
5045 sh_elf_local_got_tls_type (abfd)
5046 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
5047#else
5048 sh_elf_local_got_tls_type (abfd)
5049 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
5050#endif
37c644f2 5051 }
396a6083
SC
5052#ifdef INCLUDE_SHMEDIA
5053 if (rel->r_addend & 1)
5054 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
5055 else
5056#endif
5057 local_got_refcounts[r_symndx] += 1;
3376eaf5
KK
5058 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
5059 }
5060
5061 /* If a TLS symbol is accessed using IE at least once,
5062 there is no point to use dynamic model for it. */
5063 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
5064 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
5065 {
5066 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
5067 tls_type = GOT_TLS_IE;
5068 else
5069 {
5070 (*_bfd_error_handler)
d003868e
AM
5071 (_("%B: `%s' accessed both as normal and thread local symbol"),
5072 abfd, h->root.root.string);
b34976b6 5073 return FALSE;
3376eaf5
KK
5074 }
5075 }
5076
5077 if (old_tls_type != tls_type)
5078 {
5079 if (h != NULL)
5080 sh_elf_hash_entry (h)->tls_type = tls_type;
5081 else
5082 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
37c644f2 5083 }
3376eaf5
KK
5084
5085 break;
5086
5087 case R_SH_TLS_LD_32:
5088 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
5089 break;
5090
fbca6ad9
AO
5091 case R_SH_GOTPLT32:
5092#ifdef INCLUDE_SHMEDIA
5093 case R_SH_GOTPLT_LOW16:
5094 case R_SH_GOTPLT_MEDLOW16:
5095 case R_SH_GOTPLT_MEDHI16:
5096 case R_SH_GOTPLT_HI16:
5097 case R_SH_GOTPLT10BY4:
5098 case R_SH_GOTPLT10BY8:
5099#endif
5100 /* If this is a local symbol, we resolve it directly without
5101 creating a procedure linkage table entry. */
5102
5103 if (h == NULL
f5385ebf 5104 || h->forced_local
fbca6ad9
AO
5105 || ! info->shared
5106 || info->symbolic
067653c5 5107 || h->dynindx == -1)
fbca6ad9
AO
5108 goto force_got;
5109
f5385ebf 5110 h->needs_plt = 1;
067653c5 5111 h->plt.refcount += 1;
4989d792 5112 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
5113
5114 break;
5115
37c644f2 5116 case R_SH_PLT32:
fbca6ad9
AO
5117#ifdef INCLUDE_SHMEDIA
5118 case R_SH_PLT_LOW16:
5119 case R_SH_PLT_MEDLOW16:
5120 case R_SH_PLT_MEDHI16:
5121 case R_SH_PLT_HI16:
5122#endif
37c644f2
AO
5123 /* This symbol requires a procedure linkage table entry. We
5124 actually build the entry in adjust_dynamic_symbol,
5125 because this might be a case of linking PIC code which is
5126 never referenced by a dynamic object, in which case we
5127 don't need to generate a procedure linkage table entry
5128 after all. */
5129
5130 /* If this is a local symbol, we resolve it directly without
5131 creating a procedure linkage table entry. */
5132 if (h == NULL)
5133 continue;
5134
f5385ebf 5135 if (h->forced_local)
37c644f2
AO
5136 break;
5137
f5385ebf 5138 h->needs_plt = 1;
067653c5 5139 h->plt.refcount += 1;
37c644f2
AO
5140 break;
5141
5142 case R_SH_DIR32:
5143 case R_SH_REL32:
46e993b9
KK
5144#ifdef INCLUDE_SHMEDIA
5145 case R_SH_IMM_LOW16_PCREL:
5146 case R_SH_IMM_MEDLOW16_PCREL:
5147 case R_SH_IMM_MEDHI16_PCREL:
5148 case R_SH_IMM_HI16_PCREL:
5149#endif
067653c5
AM
5150 if (h != NULL && ! info->shared)
5151 {
f5385ebf 5152 h->non_got_ref = 1;
067653c5
AM
5153 h->plt.refcount += 1;
5154 }
37c644f2
AO
5155
5156 /* If we are creating a shared library, and this is a reloc
5157 against a global symbol, or a non PC relative reloc
5158 against a local symbol, then we need to copy the reloc
5159 into the shared library. However, if we are linking with
5160 -Bsymbolic, we do not need to copy a reloc against a
5161 global symbol which is defined in an object we are
5162 including in the link (i.e., DEF_REGULAR is set). At
5163 this point we have not seen all the input files, so it is
5164 possible that DEF_REGULAR is not set now but will be set
5165 later (it is never cleared). We account for that
5166 possibility below by storing information in the
067653c5
AM
5167 dyn_relocs field of the hash table entry. A similar
5168 situation occurs when creating shared libraries and symbol
5169 visibility changes render the symbol local.
5170
5171 If on the other hand, we are creating an executable, we
5172 may need to keep relocations for symbols satisfied by a
5173 dynamic library if we manage to avoid copy relocs for the
5174 symbol. */
5175 if ((info->shared
5176 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 5177 && (r_type != R_SH_REL32
067653c5
AM
5178 || (h != NULL
5179 && (! info->symbolic
5180 || h->root.type == bfd_link_hash_defweak
f5385ebf 5181 || !h->def_regular))))
067653c5
AM
5182 || (! info->shared
5183 && (sec->flags & SEC_ALLOC) != 0
5184 && h != NULL
5185 && (h->root.type == bfd_link_hash_defweak
f5385ebf 5186 || !h->def_regular)))
37c644f2 5187 {
067653c5
AM
5188 struct elf_sh_dyn_relocs *p;
5189 struct elf_sh_dyn_relocs **head;
5190
2293c499
AM
5191 if (htab->root.dynobj == NULL)
5192 htab->root.dynobj = abfd;
067653c5 5193
37c644f2
AO
5194 /* When creating a shared object, we must copy these
5195 reloc types into the output file. We create a reloc
5196 section in dynobj and make room for this reloc. */
5197 if (sreloc == NULL)
5198 {
5199 const char *name;
5200
5201 name = (bfd_elf_string_from_elf_section
5202 (abfd,
5203 elf_elfheader (abfd)->e_shstrndx,
5204 elf_section_data (sec)->rel_hdr.sh_name));
5205 if (name == NULL)
b34976b6 5206 return FALSE;
37c644f2 5207
0112cd26 5208 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
37c644f2
AO
5209 && strcmp (bfd_get_section_name (abfd, sec),
5210 name + 5) == 0);
5211
2293c499 5212 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
37c644f2
AO
5213 if (sreloc == NULL)
5214 {
5215 flagword flags;
5216
37c644f2
AO
5217 flags = (SEC_HAS_CONTENTS | SEC_READONLY
5218 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
5219 if ((sec->flags & SEC_ALLOC) != 0)
5220 flags |= SEC_ALLOC | SEC_LOAD;
3496cb2a
L
5221 sreloc = bfd_make_section_with_flags (htab->root.dynobj,
5222 name,
5223 flags);
37c644f2 5224 if (sreloc == NULL
2293c499
AM
5225 || ! bfd_set_section_alignment (htab->root.dynobj,
5226 sreloc, 2))
b34976b6 5227 return FALSE;
37c644f2 5228 }
067653c5 5229 elf_section_data (sec)->sreloc = sreloc;
37c644f2
AO
5230 }
5231
067653c5
AM
5232 /* If this is a global symbol, we count the number of
5233 relocations we need for this symbol. */
5234 if (h != NULL)
5235 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5236 else
37c644f2 5237 {
067653c5 5238 asection *s;
6edfbbad 5239 void *vpp;
37c644f2 5240
067653c5
AM
5241 /* Track dynamic relocs needed for local syms too. */
5242 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
5243 sec, r_symndx);
5244 if (s == NULL)
b34976b6 5245 return FALSE;
37c644f2 5246
6edfbbad
DJ
5247 vpp = &elf_section_data (s)->local_dynrel;
5248 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 5249 }
37c644f2 5250
067653c5
AM
5251 p = *head;
5252 if (p == NULL || p->sec != sec)
5253 {
5254 bfd_size_type amt = sizeof (*p);
2293c499 5255 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 5256 if (p == NULL)
b34976b6 5257 return FALSE;
067653c5
AM
5258 p->next = *head;
5259 *head = p;
5260 p->sec = sec;
5261 p->count = 0;
5262 p->pc_count = 0;
37c644f2 5263 }
067653c5
AM
5264
5265 p->count += 1;
46e993b9
KK
5266 if (r_type == R_SH_REL32
5267#ifdef INCLUDE_SHMEDIA
5268 || r_type == R_SH_IMM_LOW16_PCREL
5269 || r_type == R_SH_IMM_MEDLOW16_PCREL
5270 || r_type == R_SH_IMM_MEDHI16_PCREL
5271 || r_type == R_SH_IMM_HI16_PCREL
5272#endif
5273 )
067653c5 5274 p->pc_count += 1;
37c644f2
AO
5275 }
5276
5277 break;
3376eaf5
KK
5278
5279 case R_SH_TLS_LE_32:
5280 if (info->shared)
5281 {
d003868e
AM
5282 (*_bfd_error_handler)
5283 (_("%B: TLS local exec code cannot be linked into shared objects"),
5284 abfd);
b34976b6 5285 return FALSE;
3376eaf5
KK
5286 }
5287
267fb3c1 5288 break;
3376eaf5 5289
3376eaf5 5290 case R_SH_TLS_LDO_32:
267fb3c1 5291 /* Nothing to do. */
3376eaf5
KK
5292 break;
5293
5294 default:
5295 break;
435b1e90 5296 }
252b5132 5297 }
435b1e90 5298
b34976b6 5299 return TRUE;
252b5132
RH
5300}
5301
fbca6ad9 5302#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
5303static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5304
b34976b6 5305static bfd_boolean
09fd220b 5306sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 5307{
f6f9408f
JR
5308 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5309
5310 if (flags >= sizeof(sh_ef_bfd_table))
5311 return FALSE;
5312
5313 if (sh_ef_bfd_table[flags] == 0)
5314 return FALSE;
5315
5316 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 5317
b34976b6 5318 return TRUE;
d4845d57 5319}
f6f9408f
JR
5320
5321
5322/* Reverse table lookup for sh_ef_bfd_table[].
5323 Given a bfd MACH value from archures.c
5324 return the equivalent ELF flags from the table.
5325 Return -1 if no match is found. */
5326
5327int
5328sh_elf_get_flags_from_mach (unsigned long mach)
5329{
4195f552 5330 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
f6f9408f
JR
5331
5332 for (; i>0; i--)
5333 if (sh_ef_bfd_table[i] == mach)
5334 return i;
5335
5336 /* shouldn't get here */
5337 BFD_FAIL();
5338
5339 return -1;
5340}
fbca6ad9 5341#endif /* not sh_elf_set_mach_from_flags */
d4845d57 5342
fbca6ad9 5343#ifndef sh_elf_set_private_flags
435b1e90
KH
5344/* Function to keep SH specific file flags. */
5345
b34976b6 5346static bfd_boolean
09fd220b 5347sh_elf_set_private_flags (bfd *abfd, flagword flags)
d4845d57
JR
5348{
5349 BFD_ASSERT (! elf_flags_init (abfd)
5350 || elf_elfheader (abfd)->e_flags == flags);
5351
5352 elf_elfheader (abfd)->e_flags = flags;
b34976b6 5353 elf_flags_init (abfd) = TRUE;
d4845d57
JR
5354 return sh_elf_set_mach_from_flags (abfd);
5355}
fbca6ad9 5356#endif /* not sh_elf_set_private_flags */
d4845d57 5357
fbca6ad9 5358#ifndef sh_elf_copy_private_data
d4845d57 5359/* Copy backend specific data from one object module to another */
435b1e90 5360
b34976b6 5361static bfd_boolean
09fd220b 5362sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 5363{
104d59d1
JM
5364 /* Copy object attributes. */
5365 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5366
0ffa91dd
NC
5367 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5368 return TRUE;
5369
d4845d57
JR
5370 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
5371}
fbca6ad9 5372#endif /* not sh_elf_copy_private_data */
d4845d57 5373
fbca6ad9 5374#ifndef sh_elf_merge_private_data
d4845d57 5375
f6f9408f
JR
5376/* This function returns the ELF architecture number that
5377 corresponds to the given arch_sh* flags. */
85fbca6a 5378
f6f9408f
JR
5379int
5380sh_find_elf_flags (unsigned int arch_set)
d4845d57 5381{
85fbca6a 5382 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 5383 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 5384
f6f9408f
JR
5385 return sh_elf_get_flags_from_mach (bfd_mach);
5386}
f6f9408f
JR
5387
5388/* This routine initialises the elf flags when required and
5389 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 5390
f6f9408f
JR
5391static bfd_boolean
5392sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
5393{
85fbca6a
NC
5394 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
5395
0ffa91dd 5396 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 5397 return TRUE;
d4845d57
JR
5398
5399 if (! elf_flags_init (obfd))
5400 {
a39b79b9 5401 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 5402 elf_flags_init (obfd) = TRUE;
a39b79b9 5403 elf_elfheader (obfd)->e_flags = EF_SH1;
f6f9408f 5404 sh_elf_set_mach_from_flags (obfd);
d4845d57 5405 }
d4845d57 5406
85fbca6a 5407 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 5408 {
d003868e 5409 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 5410 "with instructions used in previous modules",
d003868e 5411 ibfd);
1d70c7fb
AO
5412 bfd_set_error (bfd_error_bad_value);
5413 return FALSE;
5414 }
f6f9408f
JR
5415
5416 elf_elfheader (obfd)->e_flags =
5417 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
5418
5419 return TRUE;
d4845d57 5420}
fbca6ad9 5421#endif /* not sh_elf_merge_private_data */
d4845d57 5422
3376eaf5
KK
5423/* Override the generic function because we need to store sh_elf_obj_tdata
5424 as the specific tdata. We set also the machine architecture from flags
5425 here. */
5426
b34976b6 5427static bfd_boolean
09fd220b 5428sh_elf_object_p (bfd *abfd)
3376eaf5 5429{
66becf32 5430 return sh_elf_set_mach_from_flags (abfd);
3376eaf5
KK
5431}
5432
37c644f2
AO
5433/* Finish up dynamic symbol handling. We set the contents of various
5434 dynamic sections here. */
5435
b34976b6 5436static bfd_boolean
09fd220b
KK
5437sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
5438 struct elf_link_hash_entry *h,
5439 Elf_Internal_Sym *sym)
37c644f2 5440{
067653c5 5441 struct elf_sh_link_hash_table *htab;
37c644f2 5442
067653c5 5443 htab = sh_elf_hash_table (info);
37c644f2
AO
5444
5445 if (h->plt.offset != (bfd_vma) -1)
5446 {
5447 asection *splt;
5448 asection *sgot;
5449 asection *srel;
5450
5451 bfd_vma plt_index;
5452 bfd_vma got_offset;
5453 Elf_Internal_Rela rel;
947216bf 5454 bfd_byte *loc;
37c644f2
AO
5455
5456 /* This symbol has an entry in the procedure linkage table. Set
5457 it up. */
5458
5459 BFD_ASSERT (h->dynindx != -1);
5460
067653c5
AM
5461 splt = htab->splt;
5462 sgot = htab->sgotplt;
5463 srel = htab->srelplt;
37c644f2
AO
5464 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5465
5466 /* Get the index in the procedure linkage table which
5467 corresponds to this symbol. This is the index of this symbol
5468 in all the symbols for which we are making plt entries. The
5469 first entry in the procedure linkage table is reserved. */
55e6e397 5470 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2
AO
5471
5472 /* Get the offset into the .got table of the entry that
5473 corresponds to this function. Each .got entry is 4 bytes.
5474 The first three are reserved. */
5475 got_offset = (plt_index + 3) * 4;
5476
fbca6ad9 5477#ifdef GOT_BIAS
c8614e8e
AM
5478 if (info->shared)
5479 got_offset -= GOT_BIAS;
fbca6ad9
AO
5480#endif
5481
37c644f2 5482 /* Fill in the entry in the procedure linkage table. */
55e6e397
RS
5483 memcpy (splt->contents + h->plt.offset,
5484 htab->plt_info->symbol_entry,
5485 htab->plt_info->symbol_entry_size);
5486
5487 if (info->shared)
5488 install_plt_field (output_bfd, FALSE, got_offset,
5489 (splt->contents
5490 + h->plt.offset
5491 + htab->plt_info->symbol_fields.got_entry));
5492 else
37c644f2 5493 {
55e6e397 5494 install_plt_field (output_bfd, FALSE,
fbca6ad9
AO
5495 (sgot->output_section->vma
5496 + sgot->output_offset
5497 + got_offset),
55e6e397
RS
5498 (splt->contents
5499 + h->plt.offset
5500 + htab->plt_info->symbol_fields.got_entry));
5501 if (htab->vxworks_p)
37c644f2 5502 {
55e6e397
RS
5503 unsigned int reachable_plts, plts_per_4k;
5504 int distance;
5505
5506 /* Divide the PLT into groups. The first group contains
5507 REACHABLE_PLTS entries and the other groups contain
5508 PLTS_PER_4K entries. Entries in the first group can
5509 branch directly to .plt; those in later groups branch
5510 to the last element of the previous group. */
5511 /* ??? It would be better to create multiple copies of
5512 the common resolver stub. */
5513 reachable_plts = ((4096
5514 - htab->plt_info->plt0_entry_size
5515 - (htab->plt_info->symbol_fields.plt + 4))
5516 / htab->plt_info->symbol_entry_size) + 1;
5517 plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
5518 if (plt_index < reachable_plts)
5519 distance = -(h->plt.offset
5520 + htab->plt_info->symbol_fields.plt);
5521 else
5522 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
5523 * htab->plt_info->symbol_entry_size);
5524
5525 /* Install the 'bra' with this offset. */
5526 bfd_put_16 (output_bfd,
5527 0xa000 | (0x0fff & ((distance - 4) / 2)),
5528 (splt->contents
5529 + h->plt.offset
5530 + htab->plt_info->symbol_fields.plt));
37c644f2 5531 }
55e6e397
RS
5532 else
5533 install_plt_field (output_bfd, TRUE,
5534 splt->output_section->vma + splt->output_offset,
5535 (splt->contents
5536 + h->plt.offset
5537 + htab->plt_info->symbol_fields.plt));
37c644f2
AO
5538 }
5539
fbca6ad9 5540#ifdef GOT_BIAS
c8614e8e
AM
5541 if (info->shared)
5542 got_offset += GOT_BIAS;
fbca6ad9
AO
5543#endif
5544
55e6e397 5545 install_plt_field (output_bfd, FALSE,
fbca6ad9 5546 plt_index * sizeof (Elf32_External_Rela),
55e6e397
RS
5547 (splt->contents
5548 + h->plt.offset
5549 + htab->plt_info->symbol_fields.reloc_offset));
37c644f2
AO
5550
5551 /* Fill in the entry in the global offset table. */
5552 bfd_put_32 (output_bfd,
5553 (splt->output_section->vma
5554 + splt->output_offset
5555 + h->plt.offset
55e6e397 5556 + htab->plt_info->symbol_resolve_offset),
37c644f2
AO
5557 sgot->contents + got_offset);
5558
5559 /* Fill in the entry in the .rela.plt section. */
5560 rel.r_offset = (sgot->output_section->vma
5561 + sgot->output_offset
5562 + got_offset);
5563 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
5564 rel.r_addend = 0;
fbca6ad9
AO
5565#ifdef GOT_BIAS
5566 rel.r_addend = GOT_BIAS;
5567#endif
947216bf
AM
5568 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
5569 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 5570
55e6e397
RS
5571 if (htab->vxworks_p && !info->shared)
5572 {
5573 /* Create the .rela.plt.unloaded relocations for this PLT entry.
5574 Begin by pointing LOC to the first such relocation. */
5575 loc = (htab->srelplt2->contents
5576 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
5577
5578 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
5579 for the PLT entry's pointer to the .got.plt entry. */
5580 rel.r_offset = (htab->splt->output_section->vma
5581 + htab->splt->output_offset
5582 + h->plt.offset
5583 + htab->plt_info->symbol_fields.got_entry);
5584 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5585 rel.r_addend = got_offset;
5586 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5587 loc += sizeof (Elf32_External_Rela);
5588
5589 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
5590 the .got.plt entry, which initially points to .plt. */
5591 rel.r_offset = (htab->sgotplt->output_section->vma
5592 + htab->sgotplt->output_offset
5593 + got_offset);
5594 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
5595 rel.r_addend = 0;
5596 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5597 }
5598
f5385ebf 5599 if (!h->def_regular)
37c644f2
AO
5600 {
5601 /* Mark the symbol as undefined, rather than as defined in
5602 the .plt section. Leave the value alone. */
5603 sym->st_shndx = SHN_UNDEF;
5604 }
5605 }
5606
3376eaf5
KK
5607 if (h->got.offset != (bfd_vma) -1
5608 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
5609 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
37c644f2
AO
5610 {
5611 asection *sgot;
5612 asection *srel;
5613 Elf_Internal_Rela rel;
947216bf 5614 bfd_byte *loc;
37c644f2
AO
5615
5616 /* This symbol has an entry in the global offset table. Set it
5617 up. */
5618
067653c5
AM
5619 sgot = htab->sgot;
5620 srel = htab->srelgot;
37c644f2
AO
5621 BFD_ASSERT (sgot != NULL && srel != NULL);
5622
5623 rel.r_offset = (sgot->output_section->vma
5624 + sgot->output_offset
dc810e39 5625 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 5626
067653c5
AM
5627 /* If this is a static link, or it is a -Bsymbolic link and the
5628 symbol is defined locally or was forced to be local because
5629 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
5630 The entry in the global offset table will already have been
5631 initialized in the relocate_section function. */
5632 if (info->shared
3d85aebe 5633 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2
AO
5634 {
5635 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5636 rel.r_addend = (h->root.u.def.value
5637 + h->root.u.def.section->output_section->vma
5638 + h->root.u.def.section->output_offset);
5639 }
5640 else
5641 {
5642 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5643 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5644 rel.r_addend = 0;
5645 }
5646
947216bf
AM
5647 loc = srel->contents;
5648 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5649 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5650 }
5651
396a6083
SC
5652#ifdef INCLUDE_SHMEDIA
5653 {
5654 struct elf_sh_link_hash_entry *eh;
5655
5656 eh = (struct elf_sh_link_hash_entry *) h;
5657 if (eh->datalabel_got.offset != (bfd_vma) -1)
5658 {
5659 asection *sgot;
5660 asection *srel;
5661 Elf_Internal_Rela rel;
947216bf 5662 bfd_byte *loc;
396a6083
SC
5663
5664 /* This symbol has a datalabel entry in the global offset table.
5665 Set it up. */
5666
5667 sgot = htab->sgot;
5668 srel = htab->srelgot;
5669 BFD_ASSERT (sgot != NULL && srel != NULL);
5670
5671 rel.r_offset = (sgot->output_section->vma
5672 + sgot->output_offset
5673 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
5674
5675 /* If this is a static link, or it is a -Bsymbolic link and the
5676 symbol is defined locally or was forced to be local because
5677 of a version file, we just want to emit a RELATIVE reloc.
5678 The entry in the global offset table will already have been
5679 initialized in the relocate_section function. */
5680 if (info->shared
3d85aebe 5681 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083
SC
5682 {
5683 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5684 rel.r_addend = (h->root.u.def.value
5685 + h->root.u.def.section->output_section->vma
5686 + h->root.u.def.section->output_offset);
5687 }
5688 else
5689 {
5690 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
5691 + eh->datalabel_got.offset);
5692 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5693 rel.r_addend = 0;
5694 }
5695
947216bf
AM
5696 loc = srel->contents;
5697 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5698 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
5699 }
5700 }
5701#endif
5702
f5385ebf 5703 if (h->needs_copy)
37c644f2
AO
5704 {
5705 asection *s;
5706 Elf_Internal_Rela rel;
947216bf 5707 bfd_byte *loc;
37c644f2
AO
5708
5709 /* This symbol needs a copy reloc. Set it up. */
5710
5711 BFD_ASSERT (h->dynindx != -1
5712 && (h->root.type == bfd_link_hash_defined
5713 || h->root.type == bfd_link_hash_defweak));
5714
5715 s = bfd_get_section_by_name (h->root.u.def.section->owner,
5716 ".rela.bss");
5717 BFD_ASSERT (s != NULL);
5718
5719 rel.r_offset = (h->root.u.def.value
5720 + h->root.u.def.section->output_section->vma
5721 + h->root.u.def.section->output_offset);
5722 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
5723 rel.r_addend = 0;
947216bf
AM
5724 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
5725 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5726 }
5727
55e6e397
RS
5728 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
5729 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
5730 ".got" section. */
37c644f2 5731 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
55e6e397 5732 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
5733 sym->st_shndx = SHN_ABS;
5734
b34976b6 5735 return TRUE;
37c644f2
AO
5736}
5737
5738/* Finish up the dynamic sections. */
5739
b34976b6 5740static bfd_boolean
09fd220b 5741sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 5742{
067653c5 5743 struct elf_sh_link_hash_table *htab;
37c644f2
AO
5744 asection *sgot;
5745 asection *sdyn;
5746
067653c5 5747 htab = sh_elf_hash_table (info);
067653c5 5748 sgot = htab->sgotplt;
2293c499 5749 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
37c644f2 5750
067653c5 5751 if (htab->root.dynamic_sections_created)
37c644f2
AO
5752 {
5753 asection *splt;
5754 Elf32_External_Dyn *dyncon, *dynconend;
5755
067653c5 5756 BFD_ASSERT (sgot != NULL && sdyn != NULL);
37c644f2
AO
5757
5758 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 5759 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
5760 for (; dyncon < dynconend; dyncon++)
5761 {
5762 Elf_Internal_Dyn dyn;
37c644f2 5763 asection *s;
067653c5
AM
5764#ifdef INCLUDE_SHMEDIA
5765 const char *name;
5766#endif
37c644f2 5767
2293c499 5768 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
5769
5770 switch (dyn.d_tag)
5771 {
5772 default:
7a2b07ff
NS
5773 if (htab->vxworks_p
5774 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
5775 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
5776 break;
5777
3b587c71
AM
5778#ifdef INCLUDE_SHMEDIA
5779 case DT_INIT:
5780 name = info->init_function;
5781 goto get_sym;
5782
5783 case DT_FINI:
5784 name = info->fini_function;
5785 get_sym:
5786 if (dyn.d_un.d_val != 0)
5787 {
067653c5
AM
5788 struct elf_link_hash_entry *h;
5789
5790 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 5791 FALSE, FALSE, TRUE);
3b587c71
AM
5792 if (h != NULL && (h->other & STO_SH5_ISA32))
5793 {
5794 dyn.d_un.d_val |= 1;
5795 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5796 }
5797 }
5798 break;
5799#endif
5800
37c644f2 5801 case DT_PLTGOT:
067653c5 5802 s = htab->sgot->output_section;
37c644f2
AO
5803 goto get_vma;
5804
5805 case DT_JMPREL:
067653c5 5806 s = htab->srelplt->output_section;
37c644f2 5807 get_vma:
37c644f2
AO
5808 BFD_ASSERT (s != NULL);
5809 dyn.d_un.d_ptr = s->vma;
5810 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5811 break;
5812
5813 case DT_PLTRELSZ:
067653c5 5814 s = htab->srelplt->output_section;
37c644f2 5815 BFD_ASSERT (s != NULL);
eea6121a 5816 dyn.d_un.d_val = s->size;
37c644f2
AO
5817 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5818 break;
5819
5820 case DT_RELASZ:
5821 /* My reading of the SVR4 ABI indicates that the
5822 procedure linkage table relocs (DT_JMPREL) should be
5823 included in the overall relocs (DT_RELA). This is
5824 what Solaris does. However, UnixWare can not handle
5825 that case. Therefore, we override the DT_RELASZ entry
5826 here to make it not include the JMPREL relocs. Since
5827 the linker script arranges for .rela.plt to follow all
5828 other relocation sections, we don't have to worry
5829 about changing the DT_RELA entry. */
067653c5 5830 if (htab->srelplt != NULL)
37c644f2 5831 {
067653c5 5832 s = htab->srelplt->output_section;
eea6121a 5833 dyn.d_un.d_val -= s->size;
37c644f2
AO
5834 }
5835 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5836 break;
5837 }
5838 }
5839
5840 /* Fill in the first entry in the procedure linkage table. */
067653c5 5841 splt = htab->splt;
55e6e397 5842 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 5843 {
55e6e397
RS
5844 unsigned int i;
5845
5846 memcpy (splt->contents,
5847 htab->plt_info->plt0_entry,
5848 htab->plt_info->plt0_entry_size);
5849 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
5850 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
5851 install_plt_field (output_bfd, FALSE,
5852 (sgot->output_section->vma
5853 + sgot->output_offset
5854 + (i * 4)),
5855 (splt->contents
5856 + htab->plt_info->plt0_got_fields[i]));
5857
5858 if (htab->vxworks_p)
37c644f2 5859 {
55e6e397
RS
5860 /* Finalize the .rela.plt.unloaded contents. */
5861 Elf_Internal_Rela rel;
5862 bfd_byte *loc;
5863
5864 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
5865 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
5866 loc = htab->srelplt2->contents;
5867 rel.r_offset = (splt->output_section->vma
5868 + splt->output_offset
5869 + htab->plt_info->plt0_got_fields[2]);
5870 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5871 rel.r_addend = 8;
5872 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5873 loc += sizeof (Elf32_External_Rela);
5874
5875 /* Fix up the remaining .rela.plt.unloaded relocations.
5876 They may have the wrong symbol index for _G_O_T_ or
5877 _P_L_T_ depending on the order in which symbols were
5878 output. */
5879 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 5880 {
55e6e397
RS
5881 /* The PLT entry's pointer to the .got.plt slot. */
5882 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5883 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
5884 R_SH_DIR32);
5885 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5886 loc += sizeof (Elf32_External_Rela);
5887
5888 /* The .got.plt slot's pointer to .plt. */
5889 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5890 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
5891 R_SH_DIR32);
5892 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5893 loc += sizeof (Elf32_External_Rela);
37c644f2 5894 }
37c644f2
AO
5895 }
5896
5897 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5898 really seem like the right value. */
5899 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
5900 }
5901 }
5902
5903 /* Fill in the first three entries in the global offset table. */
eea6121a 5904 if (sgot && sgot->size > 0)
37c644f2
AO
5905 {
5906 if (sdyn == NULL)
5907 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5908 else
5909 bfd_put_32 (output_bfd,
5910 sdyn->output_section->vma + sdyn->output_offset,
5911 sgot->contents);
5912 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5913 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
37c644f2 5914
067653c5
AM
5915 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5916 }
37c644f2 5917
b34976b6 5918 return TRUE;
37c644f2
AO
5919}
5920
99e4ae17 5921static enum elf_reloc_type_class
09fd220b 5922sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
99e4ae17 5923{
f51e552e 5924 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
5925 {
5926 case R_SH_RELATIVE:
5927 return reloc_class_relative;
5928 case R_SH_JMP_SLOT:
5929 return reloc_class_plt;
5930 case R_SH_COPY:
5931 return reloc_class_copy;
5932 default:
5933 return reloc_class_normal;
5934 }
5935}
5936
85fbca6a 5937#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 5938/* Support for Linux core dump NOTE sections. */
85fbca6a 5939
b34976b6 5940static bfd_boolean
09fd220b 5941elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5942{
5943 int offset;
eea6121a 5944 unsigned int size;
2bc3c89a
AM
5945
5946 switch (note->descsz)
5947 {
5948 default:
b34976b6 5949 return FALSE;
2bc3c89a
AM
5950
5951 case 168: /* Linux/SH */
5952 /* pr_cursig */
5953 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5954
5955 /* pr_pid */
5956 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5957
5958 /* pr_reg */
5959 offset = 72;
eea6121a 5960 size = 92;
2bc3c89a
AM
5961
5962 break;
5963 }
5964
5965 /* Make a ".reg/999" section. */
5966 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 5967 size, note->descpos + offset);
2bc3c89a
AM
5968}
5969
b34976b6 5970static bfd_boolean
09fd220b 5971elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5972{
5973 switch (note->descsz)
5974 {
5975 default:
b34976b6 5976 return FALSE;
2bc3c89a
AM
5977
5978 case 124: /* Linux/SH elf_prpsinfo */
5979 elf_tdata (abfd)->core_program
5980 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
5981 elf_tdata (abfd)->core_command
5982 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
5983 }
5984
5985 /* Note that for some reason, a spurious space is tacked
5986 onto the end of the args in some (at least one anyway)
5987 implementations, so strip it off if it exists. */
5988
5989 {
5990 char *command = elf_tdata (abfd)->core_command;
5991 int n = strlen (command);
5992
5993 if (0 < n && command[n - 1] == ' ')
5994 command[n - 1] = '\0';
5995 }
5996
b34976b6 5997 return TRUE;
2bc3c89a 5998}
85fbca6a 5999#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 6000
1f1799d5
KK
6001
6002/* Return address for Ith PLT stub in section PLT, for relocation REL
6003 or (bfd_vma) -1 if it should not be included. */
6004
6005static bfd_vma
6006sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
6007 const arelent *rel ATTRIBUTE_UNUSED)
6008{
55e6e397
RS
6009 const struct elf_sh_plt_info *plt_info;
6010
6011 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
6012 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
6013}
6014
85fbca6a 6015#if !defined SH_TARGET_ALREADY_DEFINED
252b5132
RH
6016#define TARGET_BIG_SYM bfd_elf32_sh_vec
6017#define TARGET_BIG_NAME "elf32-sh"
6018#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
6019#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
6020#endif
6021
252b5132
RH
6022#define ELF_ARCH bfd_arch_sh
6023#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
6024#ifdef __QNXTARGET__
6025#define ELF_MAXPAGESIZE 0x1000
6026#else
6027#define ELF_MAXPAGESIZE 0x80
6028#endif
252b5132
RH
6029
6030#define elf_symbol_leading_char '_'
6031
6032#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
6033#define bfd_elf32_bfd_reloc_name_lookup \
6034 sh_elf_reloc_name_lookup
252b5132
RH
6035#define elf_info_to_howto sh_elf_info_to_howto
6036#define bfd_elf32_bfd_relax_section sh_elf_relax_section
6037#define elf_backend_relocate_section sh_elf_relocate_section
6038#define bfd_elf32_bfd_get_relocated_section_contents \
6039 sh_elf_get_relocated_section_contents
3376eaf5
KK
6040#define bfd_elf32_mkobject sh_elf_mkobject
6041#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
6042#define bfd_elf32_bfd_set_private_bfd_flags \
6043 sh_elf_set_private_flags
6044#define bfd_elf32_bfd_copy_private_bfd_data \
6045 sh_elf_copy_private_data
875f7f69 6046#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 6047 sh_elf_merge_private_data
252b5132 6048
067653c5
AM
6049#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
6050#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
6051#define elf_backend_check_relocs sh_elf_check_relocs
6052#define elf_backend_copy_indirect_symbol \
6053 sh_elf_copy_indirect_symbol
37c644f2
AO
6054#define elf_backend_create_dynamic_sections \
6055 sh_elf_create_dynamic_sections
6056#define bfd_elf32_bfd_link_hash_table_create \
6057 sh_elf_link_hash_table_create
6058#define elf_backend_adjust_dynamic_symbol \
6059 sh_elf_adjust_dynamic_symbol
55e6e397
RS
6060#define elf_backend_always_size_sections \
6061 sh_elf_always_size_sections
37c644f2
AO
6062#define elf_backend_size_dynamic_sections \
6063 sh_elf_size_dynamic_sections
74541ad4
AM
6064#define elf_backend_omit_section_dynsym \
6065 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
37c644f2
AO
6066#define elf_backend_finish_dynamic_symbol \
6067 sh_elf_finish_dynamic_symbol
6068#define elf_backend_finish_dynamic_sections \
6069 sh_elf_finish_dynamic_sections
99e4ae17 6070#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 6071#define elf_backend_plt_sym_val sh_elf_plt_sym_val
37c644f2 6072
067653c5
AM
6073#define elf_backend_can_gc_sections 1
6074#define elf_backend_can_refcount 1
37c644f2
AO
6075#define elf_backend_want_got_plt 1
6076#define elf_backend_plt_readonly 1
6077#define elf_backend_want_plt_sym 0
6078#define elf_backend_got_header_size 12
ed71e111 6079
85fbca6a 6080#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 6081
252b5132 6082#include "elf32-target.h"
ed71e111 6083
2bc3c89a
AM
6084/* NetBSD support. */
6085#undef TARGET_BIG_SYM
6086#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
6087#undef TARGET_BIG_NAME
6088#define TARGET_BIG_NAME "elf32-sh-nbsd"
6089#undef TARGET_LITTLE_SYM
6090#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
6091#undef TARGET_LITTLE_NAME
6092#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6093#undef ELF_MAXPAGESIZE
6094#define ELF_MAXPAGESIZE 0x10000
24718e3b 6095#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
6096#undef elf_symbol_leading_char
6097#define elf_symbol_leading_char 0
571fe01f 6098#undef elf32_bed
2bc3c89a
AM
6099#define elf32_bed elf32_sh_nbsd_bed
6100
6101#include "elf32-target.h"
6102
2bc3c89a
AM
6103
6104/* Linux support. */
6105#undef TARGET_BIG_SYM
6106#define TARGET_BIG_SYM bfd_elf32_shblin_vec
6107#undef TARGET_BIG_NAME
6108#define TARGET_BIG_NAME "elf32-shbig-linux"
6109#undef TARGET_LITTLE_SYM
6110#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
6111#undef TARGET_LITTLE_NAME
6112#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
6113#undef ELF_COMMONPAGESIZE
6114#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
6115
6116#undef elf_backend_grok_prstatus
6117#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6118#undef elf_backend_grok_psinfo
6119#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 6120#undef elf32_bed
2bc3c89a
AM
6121#define elf32_bed elf32_sh_lin_bed
6122
6123#include "elf32-target.h"
6124
55e6e397
RS
6125#undef TARGET_BIG_SYM
6126#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
6127#undef TARGET_BIG_NAME
6128#define TARGET_BIG_NAME "elf32-sh-vxworks"
6129#undef TARGET_LITTLE_SYM
6130#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
6131#undef TARGET_LITTLE_NAME
6132#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6133#undef elf32_bed
6134#define elf32_bed elf32_sh_vxworks_bed
6135
6136#undef elf_backend_want_plt_sym
6137#define elf_backend_want_plt_sym 1
6138#undef elf_symbol_leading_char
6139#define elf_symbol_leading_char '_'
6140#define elf_backend_want_got_underscore 1
6141#undef elf_backend_grok_prstatus
6142#undef elf_backend_grok_psinfo
6143#undef elf_backend_add_symbol_hook
6144#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6145#undef elf_backend_link_output_symbol_hook
6146#define elf_backend_link_output_symbol_hook \
6147 elf_vxworks_link_output_symbol_hook
6148#undef elf_backend_emit_relocs
6149#define elf_backend_emit_relocs elf_vxworks_emit_relocs
6150#undef elf_backend_final_write_processing
6151#define elf_backend_final_write_processing \
6152 elf_vxworks_final_write_processing
6153#undef ELF_MAXPAGESIZE
6154#define ELF_MAXPAGESIZE 0x1000
6155#undef ELF_COMMONPAGESIZE
6156
6157#include "elf32-target.h"
6158
85fbca6a 6159#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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