* gdb.ada/ptype_field/pck.ads, gdb.ada/ptype_field/pck.adb,
[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,
ab96bf03 3 2006, 2007 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
252b5132
RH
490 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
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
855 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
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
2157/* Override the generic function because we need to store sh_elf_obj_tdata
2158 as the specific tdata. */
2159
b34976b6 2160static bfd_boolean
09fd220b 2161sh_elf_mkobject (bfd *abfd)
3376eaf5 2162{
3376eaf5 2163 if (abfd->tdata.any == NULL)
62d7a5f6
AM
2164 {
2165 bfd_size_type amt = sizeof (struct sh_elf_obj_tdata);
2166 abfd->tdata.any = bfd_zalloc (abfd, amt);
2167 if (abfd->tdata.any == NULL)
2168 return FALSE;
2169 }
2170 return bfd_elf_mkobject (abfd);
3376eaf5 2171}
b34976b6 2172
37c644f2
AO
2173/* sh ELF linker hash table. */
2174
38b1a46c
NC
2175struct elf_sh_link_hash_table
2176{
37c644f2 2177 struct elf_link_hash_table root;
37c644f2 2178
067653c5
AM
2179 /* Short-cuts to get to dynamic linker sections. */
2180 asection *sgot;
2181 asection *sgotplt;
2182 asection *srelgot;
2183 asection *splt;
2184 asection *srelplt;
2185 asection *sdynbss;
2186 asection *srelbss;
37c644f2 2187
55e6e397
RS
2188 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2189 asection *srelplt2;
2190
067653c5
AM
2191 /* Small local sym to section mapping cache. */
2192 struct sym_sec_cache sym_sec;
3376eaf5
KK
2193
2194 /* A counter or offset to track a TLS got entry. */
2195 union
2196 {
2197 bfd_signed_vma refcount;
2198 bfd_vma offset;
2199 } tls_ldm_got;
55e6e397
RS
2200
2201 /* The type of PLT to use. */
2202 const struct elf_sh_plt_info *plt_info;
2203
2204 /* True if the target system is VxWorks. */
2205 bfd_boolean vxworks_p;
067653c5 2206};
37c644f2
AO
2207
2208/* Traverse an sh ELF linker hash table. */
2209
2210#define sh_elf_link_hash_traverse(table, func, info) \
2211 (elf_link_hash_traverse \
2212 (&(table)->root, \
09fd220b 2213 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2214 (info)))
2215
2216/* Get the sh ELF linker hash table from a link_info structure. */
2217
2218#define sh_elf_hash_table(p) \
2219 ((struct elf_sh_link_hash_table *) ((p)->hash))
2220
2221/* Create an entry in an sh ELF linker hash table. */
2222
2223static struct bfd_hash_entry *
09fd220b
KK
2224sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2225 struct bfd_hash_table *table,
2226 const char *string)
37c644f2
AO
2227{
2228 struct elf_sh_link_hash_entry *ret =
2229 (struct elf_sh_link_hash_entry *) entry;
2230
2231 /* Allocate the structure if it has not already been allocated by a
2232 subclass. */
2233 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2234 ret = ((struct elf_sh_link_hash_entry *)
2235 bfd_hash_allocate (table,
2236 sizeof (struct elf_sh_link_hash_entry)));
2237 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2238 return (struct bfd_hash_entry *) ret;
2239
2240 /* Call the allocation method of the superclass. */
2241 ret = ((struct elf_sh_link_hash_entry *)
2242 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2243 table, string));
2244 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2245 {
396a6083
SC
2246 ret->dyn_relocs = NULL;
2247 ret->gotplt_refcount = 0;
fbca6ad9 2248#ifdef INCLUDE_SHMEDIA
396a6083 2249 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2250#endif
3376eaf5 2251 ret->tls_type = GOT_UNKNOWN;
37c644f2
AO
2252 }
2253
2254 return (struct bfd_hash_entry *) ret;
2255}
2256
2257/* Create an sh ELF linker hash table. */
2258
2259static struct bfd_link_hash_table *
09fd220b 2260sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2261{
2262 struct elf_sh_link_hash_table *ret;
dc810e39 2263 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2264
e2d34d7d 2265 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
37c644f2
AO
2266 if (ret == (struct elf_sh_link_hash_table *) NULL)
2267 return NULL;
2268
66eb6687
AM
2269 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2270 sh_elf_link_hash_newfunc,
2271 sizeof (struct elf_sh_link_hash_entry)))
37c644f2 2272 {
e2d34d7d 2273 free (ret);
37c644f2
AO
2274 return NULL;
2275 }
2276
067653c5
AM
2277 ret->sgot = NULL;
2278 ret->sgotplt = NULL;
2279 ret->srelgot = NULL;
2280 ret->splt = NULL;
2281 ret->srelplt = NULL;
2282 ret->sdynbss = NULL;
2283 ret->srelbss = NULL;
55e6e397 2284 ret->srelplt2 = NULL;
067653c5 2285 ret->sym_sec.abfd = NULL;
3376eaf5 2286 ret->tls_ldm_got.refcount = 0;
55e6e397
RS
2287 ret->plt_info = NULL;
2288 ret->vxworks_p = vxworks_object_p (abfd);
067653c5 2289
37c644f2
AO
2290 return &ret->root.root;
2291}
2292
067653c5
AM
2293/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2294 shortcuts to them in our hash table. */
2295
b34976b6 2296static bfd_boolean
09fd220b 2297create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2298{
2299 struct elf_sh_link_hash_table *htab;
2300
2301 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2302 return FALSE;
067653c5
AM
2303
2304 htab = sh_elf_hash_table (info);
2305 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
2306 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
2307 if (! htab->sgot || ! htab->sgotplt)
2308 abort ();
2309
3496cb2a
L
2310 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
2311 (SEC_ALLOC | SEC_LOAD
2312 | SEC_HAS_CONTENTS
2313 | SEC_IN_MEMORY
2314 | SEC_LINKER_CREATED
2315 | SEC_READONLY));
067653c5 2316 if (htab->srelgot == NULL
067653c5 2317 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
b34976b6
AM
2318 return FALSE;
2319 return TRUE;
067653c5
AM
2320}
2321
37c644f2
AO
2322/* Create dynamic sections when linking against a dynamic object. */
2323
b34976b6 2324static bfd_boolean
09fd220b 2325sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2326{
067653c5 2327 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2328 flagword flags, pltflags;
2329 register asection *s;
9c5bfbb7 2330 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2331 int ptralign = 0;
2332
2333 switch (bed->s->arch_size)
2334 {
2335 case 32:
2336 ptralign = 2;
2337 break;
2338
2339 case 64:
2340 ptralign = 3;
2341 break;
2342
2343 default:
2344 bfd_set_error (bfd_error_bad_value);
b34976b6 2345 return FALSE;
37c644f2
AO
2346 }
2347
067653c5 2348 htab = sh_elf_hash_table (info);
35cad4c4
KK
2349 if (htab->root.dynamic_sections_created)
2350 return TRUE;
067653c5 2351
37c644f2
AO
2352 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2353 .rel[a].bss sections. */
2354
2355 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2356 | SEC_LINKER_CREATED);
2357
2358 pltflags = flags;
2359 pltflags |= SEC_CODE;
2360 if (bed->plt_not_loaded)
2361 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2362 if (bed->plt_readonly)
2363 pltflags |= SEC_READONLY;
2364
3496cb2a 2365 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2366 htab->splt = s;
2367 if (s == NULL
35cad4c4
KK
2368 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2369 return FALSE;
37c644f2
AO
2370
2371 if (bed->want_plt_sym)
2372 {
2373 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2374 .plt section. */
14a793b2
AM
2375 struct elf_link_hash_entry *h;
2376 struct bfd_link_hash_entry *bh = NULL;
2377
37c644f2
AO
2378 if (! (_bfd_generic_link_add_one_symbol
2379 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2380 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2381 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2382 return FALSE;
14a793b2
AM
2383
2384 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2385 h->def_regular = 1;
37c644f2 2386 h->type = STT_OBJECT;
7325306f 2387 htab->root.hplt = h;
37c644f2
AO
2388
2389 if (info->shared
c152c796 2390 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2391 return FALSE;
37c644f2
AO
2392 }
2393
3496cb2a
L
2394 s = bfd_make_section_with_flags (abfd,
2395 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
2396 flags | SEC_READONLY);
35cad4c4
KK
2397 htab->srelplt = s;
2398 if (s == NULL
35cad4c4
KK
2399 || ! bfd_set_section_alignment (abfd, s, ptralign))
2400 return FALSE;
37c644f2 2401
2293c499
AM
2402 if (htab->sgot == NULL
2403 && !create_got_section (abfd, info))
b34976b6 2404 return FALSE;
37c644f2
AO
2405
2406 {
2407 const char *secname;
2408 char *relname;
2409 flagword secflags;
2410 asection *sec;
2411
2412 for (sec = abfd->sections; sec; sec = sec->next)
2413 {
2414 secflags = bfd_get_section_flags (abfd, sec);
2415 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
2416 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
2417 continue;
2418 secname = bfd_get_section_name (abfd, sec);
dc810e39 2419 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
37c644f2
AO
2420 strcpy (relname, ".rela");
2421 strcat (relname, secname);
03151a5a
KK
2422 if (bfd_get_section_by_name (abfd, secname))
2423 continue;
3496cb2a
L
2424 s = bfd_make_section_with_flags (abfd, relname,
2425 flags | SEC_READONLY);
37c644f2 2426 if (s == NULL
37c644f2 2427 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2428 return FALSE;
37c644f2
AO
2429 }
2430 }
2431
2432 if (bed->want_dynbss)
2433 {
2434 /* The .dynbss section is a place to put symbols which are defined
2435 by dynamic objects, are referenced by regular objects, and are
2436 not functions. We must allocate space for them in the process
2437 image and use a R_*_COPY reloc to tell the dynamic linker to
2438 initialize them at run time. The linker script puts the .dynbss
2439 section into the .bss section of the final image. */
3496cb2a
L
2440 s = bfd_make_section_with_flags (abfd, ".dynbss",
2441 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2442 htab->sdynbss = s;
3496cb2a 2443 if (s == NULL)
35cad4c4 2444 return FALSE;
37c644f2
AO
2445
2446 /* The .rel[a].bss section holds copy relocs. This section is not
2447 normally needed. We need to create it here, though, so that the
2448 linker will map it to an output section. We can't just create it
2449 only if we need it, because we will not know whether we need it
2450 until we have seen all the input files, and the first time the
2451 main linker code calls BFD after examining all the input files
2452 (size_dynamic_sections) the input sections have already been
2453 mapped to the output sections. If the section turns out not to
2454 be needed, we can discard it later. We will never need this
2455 section when generating a shared object, since they do not use
2456 copy relocs. */
35cad4c4 2457 if (! info->shared)
37c644f2 2458 {
3496cb2a
L
2459 s = bfd_make_section_with_flags (abfd,
2460 (bed->default_use_rela_p
2461 ? ".rela.bss" : ".rel.bss"),
2462 flags | SEC_READONLY);
067653c5 2463 htab->srelbss = s;
37c644f2 2464 if (s == NULL
37c644f2 2465 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2466 return FALSE;
37c644f2
AO
2467 }
2468 }
2469
55e6e397
RS
2470 if (htab->vxworks_p)
2471 {
2472 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2473 return FALSE;
2474 }
2475
b34976b6 2476 return TRUE;
37c644f2
AO
2477}
2478\f
37c644f2
AO
2479/* Adjust a symbol defined by a dynamic object and referenced by a
2480 regular object. The current definition is in some section of the
2481 dynamic object, but we're not including those sections. We have to
2482 change the definition to something the rest of the link can
2483 understand. */
2484
b34976b6 2485static bfd_boolean
09fd220b
KK
2486sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2487 struct elf_link_hash_entry *h)
37c644f2 2488{
067653c5
AM
2489 struct elf_sh_link_hash_table *htab;
2490 struct elf_sh_link_hash_entry *eh;
2491 struct elf_sh_dyn_relocs *p;
37c644f2 2492 asection *s;
37c644f2 2493
2293c499 2494 htab = sh_elf_hash_table (info);
37c644f2
AO
2495
2496 /* Make sure we know what is going on here. */
2293c499 2497 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2498 && (h->needs_plt
f6e332e6 2499 || h->u.weakdef != NULL
f5385ebf
AM
2500 || (h->def_dynamic
2501 && h->ref_regular
2502 && !h->def_regular)));
37c644f2
AO
2503
2504 /* If this is a function, put it in the procedure linkage table. We
2505 will fill in the contents of the procedure linkage table later,
2506 when we know the address of the .got section. */
2507 if (h->type == STT_FUNC
f5385ebf 2508 || h->needs_plt)
37c644f2 2509 {
067653c5 2510 if (h->plt.refcount <= 0
3d85aebe
KK
2511 || SYMBOL_CALLS_LOCAL (info, h)
2512 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2513 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2514 {
2515 /* This case can occur if we saw a PLT reloc in an input
2516 file, but the symbol was never referred to by a dynamic
2517 object. In such a case, we don't actually need to build
2518 a procedure linkage table, and we can just do a REL32
2519 reloc instead. */
067653c5 2520 h->plt.offset = (bfd_vma) -1;
f5385ebf 2521 h->needs_plt = 0;
37c644f2
AO
2522 }
2523
b34976b6 2524 return TRUE;
37c644f2 2525 }
067653c5
AM
2526 else
2527 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2528
2529 /* If this is a weak symbol, and there is a real definition, the
2530 processor independent code will have arranged for us to see the
2531 real definition first, and we can just use the same value. */
f6e332e6 2532 if (h->u.weakdef != NULL)
37c644f2 2533 {
f6e332e6
AM
2534 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2535 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2536 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2537 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2538 if (info->nocopyreloc)
f6e332e6 2539 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2540 return TRUE;
37c644f2
AO
2541 }
2542
2543 /* This is a reference to a symbol defined by a dynamic object which
2544 is not a function. */
2545
2546 /* If we are creating a shared library, we must presume that the
2547 only references to the symbol are via the global offset table.
2548 For such cases we need not do anything here; the relocations will
2549 be handled correctly by relocate_section. */
2550 if (info->shared)
b34976b6 2551 return TRUE;
37c644f2
AO
2552
2553 /* If there are no references to this symbol that do not use the
2554 GOT, we don't need to generate a copy reloc. */
f5385ebf 2555 if (!h->non_got_ref)
b34976b6 2556 return TRUE;
37c644f2 2557
067653c5
AM
2558 /* If -z nocopyreloc was given, we won't generate them either. */
2559 if (info->nocopyreloc)
2560 {
f5385ebf 2561 h->non_got_ref = 0;
b34976b6 2562 return TRUE;
067653c5
AM
2563 }
2564
2565 eh = (struct elf_sh_link_hash_entry *) h;
2566 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2567 {
2568 s = p->sec->output_section;
2569 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2570 break;
2571 }
2572
2573 /* If we didn't find any dynamic relocs in sections which needs the
2574 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2575 the copy reloc. */
2576 if (p == NULL)
2577 {
f5385ebf 2578 h->non_got_ref = 0;
b34976b6 2579 return TRUE;
067653c5
AM
2580 }
2581
909272ee
AM
2582 if (h->size == 0)
2583 {
2584 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2585 h->root.root.string);
2586 return TRUE;
2587 }
2588
37c644f2
AO
2589 /* We must allocate the symbol in our .dynbss section, which will
2590 become part of the .bss section of the executable. There will be
2591 an entry for this symbol in the .dynsym section. The dynamic
2592 object will contain position independent code, so all references
2593 from the dynamic object to this symbol will go through the global
2594 offset table. The dynamic linker will use the .dynsym entry to
2595 determine the address it must put in the global offset table, so
2596 both the dynamic object and the regular object will refer to the
2597 same memory location for the variable. */
2598
067653c5 2599 s = htab->sdynbss;
37c644f2
AO
2600 BFD_ASSERT (s != NULL);
2601
2602 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2603 copy the initial value out of the dynamic object and into the
2604 runtime process image. We need to remember the offset into the
2605 .rela.bss section we are going to use. */
2606 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2607 {
2608 asection *srel;
2609
067653c5 2610 srel = htab->srelbss;
37c644f2 2611 BFD_ASSERT (srel != NULL);
eea6121a 2612 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2613 h->needs_copy = 1;
37c644f2
AO
2614 }
2615
027297b7 2616 return _bfd_elf_adjust_dynamic_copy (h, s);
37c644f2
AO
2617}
2618
067653c5
AM
2619/* Allocate space in .plt, .got and associated reloc sections for
2620 dynamic relocs. */
2621
b34976b6 2622static bfd_boolean
09fd220b 2623allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2624{
2625 struct bfd_link_info *info;
2626 struct elf_sh_link_hash_table *htab;
2627 struct elf_sh_link_hash_entry *eh;
2628 struct elf_sh_dyn_relocs *p;
2629
2630 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2631 return TRUE;
067653c5
AM
2632
2633 if (h->root.type == bfd_link_hash_warning)
2634 /* When warning symbols are created, they **replace** the "real"
2635 entry in the hash table, thus we never get to see the real
2636 symbol in a hash traversal. So look at it now. */
2637 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2638
2639 info = (struct bfd_link_info *) inf;
2640 htab = sh_elf_hash_table (info);
2641
4989d792
SC
2642 eh = (struct elf_sh_link_hash_entry *) h;
2643 if ((h->got.refcount > 0
f5385ebf 2644 || h->forced_local)
4989d792
SC
2645 && eh->gotplt_refcount > 0)
2646 {
2647 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2648 so treat all the gotplt refs as got refs. */
4989d792
SC
2649 h->got.refcount += eh->gotplt_refcount;
2650 if (h->plt.refcount >= eh->gotplt_refcount)
2651 h->plt.refcount -= eh->gotplt_refcount;
2652 }
2653
067653c5 2654 if (htab->root.dynamic_sections_created
04e534c3
KK
2655 && h->plt.refcount > 0
2656 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2657 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2658 {
2659 /* Make sure this symbol is output as a dynamic symbol.
2660 Undefined weak syms won't yet be marked as dynamic. */
2661 if (h->dynindx == -1
f5385ebf 2662 && !h->forced_local)
067653c5 2663 {
c152c796 2664 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2665 return FALSE;
067653c5
AM
2666 }
2667
267fb3c1
KK
2668 if (info->shared
2669 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
2670 {
2671 asection *s = htab->splt;
2672
2673 /* If this is the first .plt entry, make room for the special
2674 first entry. */
eea6121a 2675 if (s->size == 0)
55e6e397 2676 s->size += htab->plt_info->plt0_entry_size;
067653c5 2677
eea6121a 2678 h->plt.offset = s->size;
067653c5
AM
2679
2680 /* If this symbol is not defined in a regular file, and we are
2681 not generating a shared library, then set the symbol to this
2682 location in the .plt. This is required to make function
2683 pointers compare as equal between the normal executable and
2684 the shared library. */
2685 if (! info->shared
f5385ebf 2686 && !h->def_regular)
067653c5
AM
2687 {
2688 h->root.u.def.section = s;
2689 h->root.u.def.value = h->plt.offset;
2690 }
2691
2692 /* Make room for this entry. */
55e6e397 2693 s->size += htab->plt_info->symbol_entry_size;
067653c5
AM
2694
2695 /* We also need to make an entry in the .got.plt section, which
2696 will be placed in the .got section by the linker script. */
eea6121a 2697 htab->sgotplt->size += 4;
067653c5
AM
2698
2699 /* We also need to make an entry in the .rel.plt section. */
eea6121a 2700 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
2701
2702 if (htab->vxworks_p && !info->shared)
2703 {
2704 /* VxWorks executables have a second set of relocations
2705 for each PLT entry. They go in a separate relocation
2706 section, which is processed by the kernel loader. */
2707
2708 /* There is a relocation for the initial PLT entry:
2709 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2710 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2711 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2712
2713 /* There are two extra relocations for each subsequent
2714 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2715 and an R_SH_DIR32 relocation for the PLT entry. */
2716 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2717 }
067653c5
AM
2718 }
2719 else
2720 {
2721 h->plt.offset = (bfd_vma) -1;
f5385ebf 2722 h->needs_plt = 0;
067653c5
AM
2723 }
2724 }
2725 else
2726 {
2727 h->plt.offset = (bfd_vma) -1;
f5385ebf 2728 h->needs_plt = 0;
067653c5
AM
2729 }
2730
2731 if (h->got.refcount > 0)
2732 {
2733 asection *s;
b34976b6 2734 bfd_boolean dyn;
3376eaf5 2735 int tls_type = sh_elf_hash_entry (h)->tls_type;
067653c5
AM
2736
2737 /* Make sure this symbol is output as a dynamic symbol.
2738 Undefined weak syms won't yet be marked as dynamic. */
2739 if (h->dynindx == -1
f5385ebf 2740 && !h->forced_local)
067653c5 2741 {
c152c796 2742 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2743 return FALSE;
067653c5
AM
2744 }
2745
2746 s = htab->sgot;
eea6121a
AM
2747 h->got.offset = s->size;
2748 s->size += 4;
3376eaf5
KK
2749 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
2750 if (tls_type == GOT_TLS_GD)
eea6121a 2751 s->size += 4;
067653c5 2752 dyn = htab->root.dynamic_sections_created;
267fb3c1 2753 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5
KK
2754 R_SH_TLS_GD needs one if local symbol and two if global. */
2755 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
267fb3c1 2756 || (tls_type == GOT_TLS_IE && dyn))
eea6121a 2757 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5 2758 else if (tls_type == GOT_TLS_GD)
eea6121a 2759 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
04e534c3
KK
2760 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2761 || h->root.type != bfd_link_hash_undefweak)
2762 && (info->shared
2763 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 2764 htab->srelgot->size += sizeof (Elf32_External_Rela);
067653c5
AM
2765 }
2766 else
2767 h->got.offset = (bfd_vma) -1;
2768
396a6083
SC
2769#ifdef INCLUDE_SHMEDIA
2770 if (eh->datalabel_got.refcount > 0)
2771 {
2772 asection *s;
b34976b6 2773 bfd_boolean dyn;
396a6083
SC
2774
2775 /* Make sure this symbol is output as a dynamic symbol.
2776 Undefined weak syms won't yet be marked as dynamic. */
2777 if (h->dynindx == -1
f5385ebf 2778 && !h->forced_local)
396a6083 2779 {
c152c796 2780 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2781 return FALSE;
396a6083
SC
2782 }
2783
2784 s = htab->sgot;
eea6121a
AM
2785 eh->datalabel_got.offset = s->size;
2786 s->size += 4;
396a6083 2787 dyn = htab->root.dynamic_sections_created;
267fb3c1 2788 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 2789 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
2790 }
2791 else
2792 eh->datalabel_got.offset = (bfd_vma) -1;
2793#endif
2794
067653c5 2795 if (eh->dyn_relocs == NULL)
b34976b6 2796 return TRUE;
067653c5
AM
2797
2798 /* In the shared -Bsymbolic case, discard space allocated for
2799 dynamic pc-relative relocs against symbols which turn out to be
2800 defined in regular objects. For the normal shared case, discard
2801 space for pc-relative relocs that have become local due to symbol
2802 visibility changes. */
2803
2804 if (info->shared)
2805 {
3d85aebe 2806 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
2807 {
2808 struct elf_sh_dyn_relocs **pp;
2809
2810 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2811 {
2812 p->count -= p->pc_count;
2813 p->pc_count = 0;
2814 if (p->count == 0)
2815 *pp = p->next;
2816 else
2817 pp = &p->next;
2818 }
2819 }
04e534c3
KK
2820
2821 /* Also discard relocs on undefined weak syms with non-default
2822 visibility. */
22d606e9 2823 if (eh->dyn_relocs != NULL
04e534c3 2824 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
2825 {
2826 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2827 eh->dyn_relocs = NULL;
2828
2829 /* Make sure undefined weak symbols are output as a dynamic
2830 symbol in PIEs. */
2831 else if (h->dynindx == -1
2832 && !h->forced_local)
2833 {
2834 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2835 return FALSE;
2836 }
2837 }
067653c5
AM
2838 }
2839 else
2840 {
2841 /* For the non-shared case, discard space for relocs against
2842 symbols which turn out to need copy relocs or are not
2843 dynamic. */
2844
f5385ebf
AM
2845 if (!h->non_got_ref
2846 && ((h->def_dynamic
2847 && !h->def_regular)
067653c5
AM
2848 || (htab->root.dynamic_sections_created
2849 && (h->root.type == bfd_link_hash_undefweak
2850 || h->root.type == bfd_link_hash_undefined))))
2851 {
2852 /* Make sure this symbol is output as a dynamic symbol.
2853 Undefined weak syms won't yet be marked as dynamic. */
2854 if (h->dynindx == -1
f5385ebf 2855 && !h->forced_local)
067653c5 2856 {
c152c796 2857 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2858 return FALSE;
067653c5
AM
2859 }
2860
2861 /* If that succeeded, we know we'll be keeping all the
2862 relocs. */
2863 if (h->dynindx != -1)
2864 goto keep;
2865 }
2866
2867 eh->dyn_relocs = NULL;
2868
2869 keep: ;
2870 }
2871
2872 /* Finally, allocate space. */
2873 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2874 {
2875 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 2876 sreloc->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2877 }
2878
b34976b6 2879 return TRUE;
067653c5
AM
2880}
2881
2882/* Find any dynamic relocs that apply to read-only sections. */
2883
b34976b6 2884static bfd_boolean
09fd220b 2885readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2886{
2887 struct elf_sh_link_hash_entry *eh;
2888 struct elf_sh_dyn_relocs *p;
2889
2890 if (h->root.type == bfd_link_hash_warning)
2891 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2892
2893 eh = (struct elf_sh_link_hash_entry *) h;
2894 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2895 {
2896 asection *s = p->sec->output_section;
2897
2898 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2899 {
2900 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2901
2902 info->flags |= DF_TEXTREL;
2903
2904 /* Not an error, just cut short the traversal. */
b34976b6 2905 return FALSE;
067653c5
AM
2906 }
2907 }
b34976b6 2908 return TRUE;
067653c5
AM
2909}
2910
55e6e397
RS
2911/* This function is called after all the input files have been read,
2912 and the input sections have been assigned to output sections.
2913 It's a convenient place to determine the PLT style. */
2914
2915static bfd_boolean
2916sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2917{
2918 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
2919 return TRUE;
2920}
2921
37c644f2
AO
2922/* Set the sizes of the dynamic sections. */
2923
b34976b6 2924static bfd_boolean
09fd220b
KK
2925sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2926 struct bfd_link_info *info)
37c644f2 2927{
067653c5 2928 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2929 bfd *dynobj;
2930 asection *s;
b34976b6 2931 bfd_boolean relocs;
067653c5 2932 bfd *ibfd;
37c644f2 2933
067653c5
AM
2934 htab = sh_elf_hash_table (info);
2935 dynobj = htab->root.dynobj;
37c644f2
AO
2936 BFD_ASSERT (dynobj != NULL);
2937
067653c5 2938 if (htab->root.dynamic_sections_created)
37c644f2
AO
2939 {
2940 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 2941 if (info->executable)
37c644f2
AO
2942 {
2943 s = bfd_get_section_by_name (dynobj, ".interp");
2944 BFD_ASSERT (s != NULL);
eea6121a 2945 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
2946 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2947 }
2948 }
37c644f2 2949
067653c5
AM
2950 /* Set up .got offsets for local syms, and space for local dynamic
2951 relocs. */
2952 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
37c644f2 2953 {
067653c5
AM
2954 bfd_signed_vma *local_got;
2955 bfd_signed_vma *end_local_got;
3376eaf5 2956 char *local_tls_type;
067653c5
AM
2957 bfd_size_type locsymcount;
2958 Elf_Internal_Shdr *symtab_hdr;
2959 asection *srel;
37c644f2 2960
067653c5 2961 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
37c644f2
AO
2962 continue;
2963
067653c5 2964 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 2965 {
067653c5
AM
2966 struct elf_sh_dyn_relocs *p;
2967
2968 for (p = ((struct elf_sh_dyn_relocs *)
2969 elf_section_data (s)->local_dynrel);
2970 p != NULL;
2971 p = p->next)
37c644f2 2972 {
067653c5
AM
2973 if (! bfd_is_abs_section (p->sec)
2974 && bfd_is_abs_section (p->sec->output_section))
2975 {
2976 /* Input section has been discarded, either because
2977 it is a copy of a linkonce section or due to
2978 linker script /DISCARD/, so we'll be discarding
2979 the relocs too. */
2980 }
2981 else if (p->count != 0)
2982 {
2983 srel = elf_section_data (p->sec)->sreloc;
eea6121a 2984 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2985 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2986 info->flags |= DF_TEXTREL;
2987 }
37c644f2
AO
2988 }
2989 }
067653c5
AM
2990
2991 local_got = elf_local_got_refcounts (ibfd);
2992 if (!local_got)
2993 continue;
2994
2995 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2996 locsymcount = symtab_hdr->sh_info;
2997#ifdef INCLUDE_SHMEDIA
2998 /* Count datalabel local GOT. */
2999 locsymcount *= 2;
3000#endif
3001 end_local_got = local_got + locsymcount;
3376eaf5 3002 local_tls_type = sh_elf_local_got_tls_type (ibfd);
067653c5
AM
3003 s = htab->sgot;
3004 srel = htab->srelgot;
3005 for (; local_got < end_local_got; ++local_got)
37c644f2 3006 {
067653c5 3007 if (*local_got > 0)
37c644f2 3008 {
eea6121a
AM
3009 *local_got = s->size;
3010 s->size += 4;
3376eaf5 3011 if (*local_tls_type == GOT_TLS_GD)
eea6121a 3012 s->size += 4;
067653c5 3013 if (info->shared)
eea6121a 3014 srel->size += sizeof (Elf32_External_Rela);
37c644f2
AO
3015 }
3016 else
067653c5 3017 *local_got = (bfd_vma) -1;
3376eaf5 3018 ++local_tls_type;
37c644f2 3019 }
067653c5
AM
3020 }
3021
3376eaf5
KK
3022 if (htab->tls_ldm_got.refcount > 0)
3023 {
3024 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3025 relocs. */
eea6121a
AM
3026 htab->tls_ldm_got.offset = htab->sgot->size;
3027 htab->sgot->size += 8;
3028 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3029 }
3030 else
3031 htab->tls_ldm_got.offset = -1;
3032
067653c5
AM
3033 /* Allocate global sym .plt and .got entries, and space for global
3034 sym dynamic relocs. */
09fd220b 3035 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5
AM
3036
3037 /* We now have determined the sizes of the various dynamic sections.
3038 Allocate memory for them. */
b34976b6 3039 relocs = FALSE;
067653c5
AM
3040 for (s = dynobj->sections; s != NULL; s = s->next)
3041 {
3042 if ((s->flags & SEC_LINKER_CREATED) == 0)
3043 continue;
3044
3045 if (s == htab->splt
3046 || s == htab->sgot
c456f082
AM
3047 || s == htab->sgotplt
3048 || s == htab->sdynbss)
067653c5
AM
3049 {
3050 /* Strip this section if we don't need it; see the
3051 comment below. */
3052 }
0112cd26 3053 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3054 {
55e6e397 3055 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3056 relocs = TRUE;
067653c5
AM
3057
3058 /* We use the reloc_count field as a counter if we need
3059 to copy relocs into the output file. */
3060 s->reloc_count = 0;
3061 }
3062 else
37c644f2
AO
3063 {
3064 /* It's not one of our sections, so don't allocate space. */
3065 continue;
3066 }
3067
eea6121a 3068 if (s->size == 0)
37c644f2 3069 {
067653c5
AM
3070 /* If we don't need this section, strip it from the
3071 output file. This is mostly to handle .rela.bss and
3072 .rela.plt. We must create both sections in
3073 create_dynamic_sections, because they must be created
3074 before the linker maps input sections to output
3075 sections. The linker does that before
3076 adjust_dynamic_symbol is called, and it is that
3077 function which decides whether anything needs to go
3078 into these sections. */
3079
8423293d 3080 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3081 continue;
3082 }
3083
c456f082
AM
3084 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3085 continue;
3086
067653c5
AM
3087 /* Allocate memory for the section contents. We use bfd_zalloc
3088 here in case unused entries are not reclaimed before the
3089 section's contents are written out. This should not happen,
3090 but this way if it does, we get a R_SH_NONE reloc instead
3091 of garbage. */
eea6121a 3092 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3093 if (s->contents == NULL)
b34976b6 3094 return FALSE;
37c644f2
AO
3095 }
3096
067653c5 3097 if (htab->root.dynamic_sections_created)
37c644f2
AO
3098 {
3099 /* Add some entries to the .dynamic section. We fill in the
3100 values later, in sh_elf_finish_dynamic_sections, but we
3101 must add the entries now so that we get the correct size for
3102 the .dynamic section. The DT_DEBUG entry is filled in by the
3103 dynamic linker and used by the debugger. */
dc810e39 3104#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3105 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3106
2558b9a9 3107 if (info->executable)
37c644f2 3108 {
067653c5 3109 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3110 return FALSE;
37c644f2
AO
3111 }
3112
eea6121a 3113 if (htab->splt->size != 0)
37c644f2 3114 {
067653c5
AM
3115 if (! add_dynamic_entry (DT_PLTGOT, 0)
3116 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3117 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3118 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3119 return FALSE;
37c644f2
AO
3120 }
3121
3122 if (relocs)
3123 {
067653c5
AM
3124 if (! add_dynamic_entry (DT_RELA, 0)
3125 || ! add_dynamic_entry (DT_RELASZ, 0)
3126 || ! add_dynamic_entry (DT_RELAENT,
3127 sizeof (Elf32_External_Rela)))
b34976b6 3128 return FALSE;
37c644f2 3129
067653c5
AM
3130 /* If any dynamic relocs apply to a read-only section,
3131 then we need a DT_TEXTREL entry. */
3132 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3133 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3134
3135 if ((info->flags & DF_TEXTREL) != 0)
3136 {
3137 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3138 return FALSE;
067653c5 3139 }
37c644f2 3140 }
7a2b07ff
NS
3141 if (htab->vxworks_p
3142 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3143 return FALSE;
37c644f2 3144 }
dc810e39 3145#undef add_dynamic_entry
37c644f2 3146
b34976b6 3147 return TRUE;
37c644f2 3148}
37c644f2
AO
3149\f
3150/* Relocate an SH ELF section. */
3151
b34976b6 3152static bfd_boolean
09fd220b
KK
3153sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3154 bfd *input_bfd, asection *input_section,
3155 bfd_byte *contents, Elf_Internal_Rela *relocs,
3156 Elf_Internal_Sym *local_syms,
3157 asection **local_sections)
37c644f2 3158{
067653c5 3159 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3160 Elf_Internal_Shdr *symtab_hdr;
3161 struct elf_link_hash_entry **sym_hashes;
3162 Elf_Internal_Rela *rel, *relend;
3163 bfd *dynobj;
3164 bfd_vma *local_got_offsets;
3165 asection *sgot;
fbca6ad9 3166 asection *sgotplt;
37c644f2
AO
3167 asection *splt;
3168 asection *sreloc;
3376eaf5 3169 asection *srelgot;
37c644f2 3170
067653c5 3171 htab = sh_elf_hash_table (info);
37c644f2
AO
3172 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
3173 sym_hashes = elf_sym_hashes (input_bfd);
067653c5 3174 dynobj = htab->root.dynobj;
37c644f2
AO
3175 local_got_offsets = elf_local_got_offsets (input_bfd);
3176
067653c5
AM
3177 sgot = htab->sgot;
3178 sgotplt = htab->sgotplt;
3179 splt = htab->splt;
37c644f2 3180 sreloc = NULL;
3376eaf5 3181 srelgot = NULL;
37c644f2
AO
3182
3183 rel = relocs;
3184 relend = relocs + input_section->reloc_count;
3185 for (; rel < relend; rel++)
3186 {
3187 int r_type;
3188 reloc_howto_type *howto;
3189 unsigned long r_symndx;
3190 Elf_Internal_Sym *sym;
3191 asection *sec;
3192 struct elf_link_hash_entry *h;
3193 bfd_vma relocation;
435b1e90 3194 bfd_vma addend = (bfd_vma) 0;
37c644f2 3195 bfd_reloc_status_type r;
fbca6ad9 3196 int seen_stt_datalabel = 0;
3376eaf5
KK
3197 bfd_vma off;
3198 int tls_type;
37c644f2
AO
3199
3200 r_symndx = ELF32_R_SYM (rel->r_info);
3201
37c644f2
AO
3202 r_type = ELF32_R_TYPE (rel->r_info);
3203
3204 /* Many of the relocs are only used for relaxing, and are
067653c5 3205 handled entirely by the relaxation code. */
d38eb334
DD
3206 if (r_type >= (int) R_SH_GNU_VTINHERIT
3207 && r_type <= (int) R_SH_LABEL)
37c644f2 3208 continue;
c5aeb40f
AO
3209 if (r_type == (int) R_SH_NONE)
3210 continue;
37c644f2
AO
3211
3212 if (r_type < 0
3213 || r_type >= R_SH_max
3214 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3215 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
fbca6ad9
AO
3216 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3217 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3218 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3219 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3220 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3221 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
06bb75c1
AO
3222 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3223 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
37c644f2
AO
3224 {
3225 bfd_set_error (bfd_error_bad_value);
b34976b6 3226 return FALSE;
37c644f2
AO
3227 }
3228
55e6e397 3229 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3230
146be91a 3231 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3232 the relocation. */
146be91a
HPN
3233 if (! howto->partial_inplace)
3234 addend = rel->r_addend;
3235
37c644f2
AO
3236 h = NULL;
3237 sym = NULL;
3238 sec = NULL;
3239 if (r_symndx < symtab_hdr->sh_info)
3240 {
3241 sym = local_syms + r_symndx;
3242 sec = local_sections[r_symndx];
3243 relocation = (sec->output_section->vma
3244 + sec->output_offset
3245 + sym->st_value);
fbca6ad9
AO
3246 /* A local symbol never has STO_SH5_ISA32, so we don't need
3247 datalabel processing here. Make sure this does not change
3248 without notice. */
3249 if ((sym->st_other & STO_SH5_ISA32) != 0)
3250 ((*info->callbacks->reloc_dangerous)
3251 (info,
3252 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3253 input_bfd, input_section, rel->r_offset));
ab96bf03
AM
3254
3255 if (sec != NULL && elf_discarded_section (sec))
3256 /* Handled below. */
3257 ;
3258 else if (info->relocatable)
8a3975e6 3259 {
1049f94e 3260 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3261 anything, unless the reloc is against a section symbol,
3262 in which case we have to adjust according to where the
3263 section symbol winds up in the output section. */
8a3975e6 3264 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3265 {
3266 if (! howto->partial_inplace)
3267 {
3268 /* For relocations with the addend in the
3269 relocation, we need just to update the addend.
3270 All real relocs are of type partial_inplace; this
3271 code is mostly for completeness. */
ab96bf03 3272 rel->r_addend += sec->output_offset;
146be91a
HPN
3273
3274 continue;
3275 }
3276
3277 /* Relocs of type partial_inplace need to pick up the
3278 contents in the contents and add the offset resulting
3279 from the changed location of the section symbol.
3280 Using _bfd_final_link_relocate (e.g. goto
3281 final_link_relocate) here would be wrong, because
3282 relocations marked pc_relative would get the current
3283 location subtracted, and we must only do that at the
3284 final link. */
3285 r = _bfd_relocate_contents (howto, input_bfd,
3286 sec->output_offset
3287 + sym->st_value,
3288 contents + rel->r_offset);
3289 goto relocation_done;
3290 }
8a3975e6
AO
3291
3292 continue;
3293 }
f8df10f4
JJ
3294 else if (! howto->partial_inplace)
3295 {
8517fae7 3296 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
3297 addend = rel->r_addend;
3298 }
3299 else if ((sec->flags & SEC_MERGE)
3300 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3301 {
3302 asection *msec;
3303
3304 if (howto->rightshift || howto->src_mask != 0xffffffff)
3305 {
3306 (*_bfd_error_handler)
d003868e
AM
3307 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
3308 input_bfd, input_section,
f8df10f4 3309 (long) rel->r_offset, howto->name);
b34976b6 3310 return FALSE;
f8df10f4
JJ
3311 }
3312
067653c5
AM
3313 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3314 msec = sec;
3315 addend =
c629eae0 3316 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
3317 - relocation;
3318 addend += msec->output_section->vma + msec->output_offset;
3319 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3320 addend = 0;
3321 }
37c644f2
AO
3322 }
3323 else
3324 {
560e09e9
NC
3325 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3326
ab96bf03 3327 relocation = 0;
37c644f2
AO
3328 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3329 while (h->root.type == bfd_link_hash_indirect
3330 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
3331 {
3332#ifdef INCLUDE_SHMEDIA
3333 /* If the reference passes a symbol marked with
3334 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
3335 doesn't count. */
3336 seen_stt_datalabel |= h->type == STT_DATALABEL;
3337#endif
3338 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3339 }
37c644f2
AO
3340 if (h->root.type == bfd_link_hash_defined
3341 || h->root.type == bfd_link_hash_defweak)
3342 {
b34976b6 3343 bfd_boolean dyn;
067653c5
AM
3344
3345 dyn = htab->root.dynamic_sections_created;
37c644f2
AO
3346 sec = h->root.u.def.section;
3347 /* In these cases, we don't need the relocation value.
3348 We check specially because in some obscure cases
435b1e90 3349 sec->output_section will be NULL. */
37c644f2 3350 if (r_type == R_SH_GOTPC
fbca6ad9
AO
3351 || r_type == R_SH_GOTPC_LOW16
3352 || r_type == R_SH_GOTPC_MEDLOW16
3353 || r_type == R_SH_GOTPC_MEDHI16
3354 || r_type == R_SH_GOTPC_HI16
3355 || ((r_type == R_SH_PLT32
3356 || r_type == R_SH_PLT_LOW16
3357 || r_type == R_SH_PLT_MEDLOW16
3358 || r_type == R_SH_PLT_MEDHI16
3359 || r_type == R_SH_PLT_HI16)
37c644f2 3360 && h->plt.offset != (bfd_vma) -1)
fbca6ad9
AO
3361 || ((r_type == R_SH_GOT32
3362 || r_type == R_SH_GOT_LOW16
3363 || r_type == R_SH_GOT_MEDLOW16
3364 || r_type == R_SH_GOT_MEDHI16
3365 || r_type == R_SH_GOT_HI16)
267fb3c1 3366 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
3367 && (! info->shared
3368 || (! info->symbolic && h->dynindx != -1)
f5385ebf 3369 || !h->def_regular))
37c644f2
AO
3370 /* The cases above are those in which relocation is
3371 overwritten in the switch block below. The cases
3372 below are those in which we must defer relocation
3373 to run-time, because we can't resolve absolute
3374 addresses when creating a shared library. */
3375 || (info->shared
3376 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 3377 || !h->def_regular)
37c644f2 3378 && ((r_type == R_SH_DIR32
f5385ebf 3379 && !h->forced_local)
f50ad433
KK
3380 || (r_type == R_SH_REL32
3381 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3382 && ((input_section->flags & SEC_ALLOC) != 0
3383 /* DWARF will emit R_SH_DIR32 relocations in its
3384 sections against symbols defined externally
3385 in shared libraries. We can't do anything
3386 with them here. */
067653c5 3387 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3388 && h->def_dynamic)))
1448fa32
KK
3389 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3390 sections because such sections are not SEC_ALLOC and
3391 thus ld.so will not process them. */
3392 || (sec->output_section == NULL
3393 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3394 && h->def_dynamic))
3376eaf5
KK
3395 || (sec->output_section == NULL
3396 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
3397 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
ab96bf03
AM
3398 ;
3399 else if (sec->output_section != NULL)
3400 relocation = ((h->root.u.def.value
3401 + sec->output_section->vma
3402 + sec->output_offset)
3403 /* A STO_SH5_ISA32 causes a "bitor 1" to the
3404 symbol value, unless we've seen
3405 STT_DATALABEL on the way to it. */
3406 | ((h->other & STO_SH5_ISA32) != 0
3407 && ! seen_stt_datalabel));
3408 else if (!info->relocatable)
37c644f2
AO
3409 {
3410 (*_bfd_error_handler)
843fe662
L
3411 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3412 input_bfd,
3413 input_section,
3414 (long) rel->r_offset,
3415 howto->name,
3416 h->root.root.string);
b34976b6 3417 return FALSE;
37c644f2 3418 }
37c644f2
AO
3419 }
3420 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 3421 ;
59c2e50f 3422 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 3423 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
3424 ;
3425 else if (!info->relocatable)
37c644f2 3426 {
560e09e9
NC
3427 if (! info->callbacks->undefined_symbol
3428 (info, h->root.root.string, input_bfd,
3429 input_section, rel->r_offset,
59c2e50f 3430 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 3431 || ELF_ST_VISIBILITY (h->other))))
b34976b6 3432 return FALSE;
37c644f2
AO
3433 }
3434 }
3435
ab96bf03
AM
3436 if (sec != NULL && elf_discarded_section (sec))
3437 {
3438 /* For relocs against symbols from removed linkonce sections,
3439 or sections discarded by a linker script, we just want the
3440 section contents zeroed. Avoid any special processing. */
3441 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
3442 rel->r_info = 0;
3443 rel->r_addend = 0;
3444 continue;
3445 }
3446
3447 if (info->relocatable)
3448 continue;
3449
435b1e90 3450 switch ((int) r_type)
37c644f2
AO
3451 {
3452 final_link_relocate:
3453 /* COFF relocs don't use the addend. The addend is used for
435b1e90 3454 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
3455 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3456 contents, rel->r_offset,
3457 relocation, addend);
3458 break;
3459
3460 case R_SH_IND12W:
cd6ec716
DD
3461 goto final_link_relocate;
3462
37c644f2
AO
3463 case R_SH_DIR8WPN:
3464 case R_SH_DIR8WPZ:
3465 case R_SH_DIR8WPL:
cd6ec716
DD
3466 /* If the reloc is against the start of this section, then
3467 the assembler has already taken care of it and the reloc
3468 is here only to assist in relaxing. If the reloc is not
3469 against the start of this section, then it's against an
3470 external symbol and we must deal with it ourselves. */
3471 if (input_section->output_section->vma + input_section->output_offset
3472 != relocation)
3473 {
3474 int disp = (relocation
3475 - input_section->output_section->vma
3476 - input_section->output_offset
3477 - rel->r_offset);
3478 int mask = 0;
3479 switch (r_type)
3480 {
3481 case R_SH_DIR8WPN:
3482 case R_SH_DIR8WPZ: mask = 1; break;
3483 case R_SH_DIR8WPL: mask = 3; break;
3484 default: mask = 0; break;
3485 }
3486 if (disp & mask)
3487 {
3488 ((*_bfd_error_handler)
d003868e
AM
3489 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
3490 input_section->owner,
cd6ec716
DD
3491 (unsigned long) rel->r_offset));
3492 bfd_set_error (bfd_error_bad_value);
b34976b6 3493 return FALSE;
cd6ec716
DD
3494 }
3495 relocation -= 4;
3496 goto final_link_relocate;
3497 }
3498 r = bfd_reloc_ok;
3499 break;
37c644f2
AO
3500
3501 default:
fbca6ad9
AO
3502#ifdef INCLUDE_SHMEDIA
3503 if (shmedia_prepare_reloc (info, input_bfd, input_section,
3504 contents, rel, &relocation))
3505 goto final_link_relocate;
3506#endif
37c644f2 3507 bfd_set_error (bfd_error_bad_value);
b34976b6 3508 return FALSE;
37c644f2 3509
d38eb334
DD
3510 case R_SH_DIR16:
3511 case R_SH_DIR8:
3512 case R_SH_DIR8U:
3513 case R_SH_DIR8S:
3514 case R_SH_DIR4U:
3515 goto final_link_relocate;
3516
3517 case R_SH_DIR8UL:
3518 case R_SH_DIR4UL:
3519 if (relocation & 3)
3520 {
3521 ((*_bfd_error_handler)
d003868e
AM
3522 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3523 input_section->owner,
d38eb334 3524 (unsigned long) rel->r_offset, howto->name,
d003868e 3525 (unsigned long) relocation));
d38eb334
DD
3526 bfd_set_error (bfd_error_bad_value);
3527 return FALSE;
3528 }
3529 goto final_link_relocate;
3530
3531 case R_SH_DIR8UW:
3532 case R_SH_DIR8SW:
3533 case R_SH_DIR4UW:
3534 if (relocation & 1)
3535 {
3536 ((*_bfd_error_handler)
d003868e
AM
3537 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3538 input_section->owner,
d38eb334 3539 (unsigned long) rel->r_offset, howto->name,
d003868e 3540 (unsigned long) relocation));
d38eb334
DD
3541 bfd_set_error (bfd_error_bad_value);
3542 return FALSE;
3543 }
3544 goto final_link_relocate;
3545
3546 case R_SH_PSHA:
3547 if ((signed int)relocation < -32
3548 || (signed int)relocation > 32)
3549 {
3550 ((*_bfd_error_handler)
d003868e
AM
3551 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
3552 input_section->owner,
d38eb334 3553 (unsigned long) rel->r_offset,
d003868e 3554 (unsigned long) relocation));
d38eb334
DD
3555 bfd_set_error (bfd_error_bad_value);
3556 return FALSE;
3557 }
3558 goto final_link_relocate;
3559
3560 case R_SH_PSHL:
3561 if ((signed int)relocation < -16
3562 || (signed int)relocation > 16)
3563 {
3564 ((*_bfd_error_handler)
d003868e
AM
3565 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
3566 input_section->owner,
d38eb334 3567 (unsigned long) rel->r_offset,
d003868e 3568 (unsigned long) relocation));
d38eb334
DD
3569 bfd_set_error (bfd_error_bad_value);
3570 return FALSE;
3571 }
3572 goto final_link_relocate;
3573
37c644f2
AO
3574 case R_SH_DIR32:
3575 case R_SH_REL32:
46e993b9
KK
3576#ifdef INCLUDE_SHMEDIA
3577 case R_SH_IMM_LOW16_PCREL:
3578 case R_SH_IMM_MEDLOW16_PCREL:
3579 case R_SH_IMM_MEDHI16_PCREL:
3580 case R_SH_IMM_HI16_PCREL:
3581#endif
37c644f2 3582 if (info->shared
04e534c3
KK
3583 && (h == NULL
3584 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3585 || h->root.type != bfd_link_hash_undefweak)
ec338859 3586 && r_symndx != 0
37c644f2 3587 && (input_section->flags & SEC_ALLOC) != 0
46e993b9 3588 && (r_type == R_SH_DIR32
3d85aebe 3589 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3590 {
3591 Elf_Internal_Rela outrel;
947216bf 3592 bfd_byte *loc;
b34976b6 3593 bfd_boolean skip, relocate;
37c644f2
AO
3594
3595 /* When generating a shared object, these relocations
3596 are copied into the output file to be resolved at run
3597 time. */
3598
3599 if (sreloc == NULL)
3600 {
3601 const char *name;
3602
3603 name = (bfd_elf_string_from_elf_section
3604 (input_bfd,
3605 elf_elfheader (input_bfd)->e_shstrndx,
3606 elf_section_data (input_section)->rel_hdr.sh_name));
3607 if (name == NULL)
b34976b6 3608 return FALSE;
37c644f2 3609
0112cd26 3610 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
37c644f2
AO
3611 && strcmp (bfd_get_section_name (input_bfd,
3612 input_section),
3613 name + 5) == 0);
3614
3615 sreloc = bfd_get_section_by_name (dynobj, name);
3616 BFD_ASSERT (sreloc != NULL);
3617 }
3618
b34976b6
AM
3619 skip = FALSE;
3620 relocate = FALSE;
37c644f2 3621
c629eae0
JJ
3622 outrel.r_offset =
3623 _bfd_elf_section_offset (output_bfd, info, input_section,
3624 rel->r_offset);
3625 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 3626 skip = TRUE;
0bb2d96a 3627 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 3628 skip = TRUE, relocate = TRUE;
37c644f2
AO
3629 outrel.r_offset += (input_section->output_section->vma
3630 + input_section->output_offset);
3631
3632 if (skip)
0bb2d96a 3633 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
3634 else if (r_type == R_SH_REL32)
3635 {
3636 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 3637 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 3638 outrel.r_addend
55e6e397
RS
3639 = (howto->partial_inplace
3640 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3641 : addend);
37c644f2 3642 }
46e993b9
KK
3643#ifdef INCLUDE_SHMEDIA
3644 else if (r_type == R_SH_IMM_LOW16_PCREL
3645 || r_type == R_SH_IMM_MEDLOW16_PCREL
3646 || r_type == R_SH_IMM_MEDHI16_PCREL
3647 || r_type == R_SH_IMM_HI16_PCREL)
3648 {
3649 BFD_ASSERT (h != NULL && h->dynindx != -1);
3650 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
3651 outrel.r_addend = addend;
3652 }
3653#endif
37c644f2
AO
3654 else
3655 {
3656 /* h->dynindx may be -1 if this symbol was marked to
3657 become local. */
3658 if (h == NULL
3659 || ((info->symbolic || h->dynindx == -1)
f5385ebf 3660 && h->def_regular))
37c644f2 3661 {
55e6e397 3662 relocate = howto->partial_inplace;
37c644f2 3663 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
3664 }
3665 else
3666 {
3667 BFD_ASSERT (h->dynindx != -1);
37c644f2 3668 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 3669 }
55e6e397
RS
3670 outrel.r_addend = relocation;
3671 outrel.r_addend
3672 += (howto->partial_inplace
3673 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3674 : addend);
37c644f2
AO
3675 }
3676
947216bf
AM
3677 loc = sreloc->contents;
3678 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3679 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3680
3681 /* If this reloc is against an external symbol, we do
3682 not want to fiddle with the addend. Otherwise, we
3683 need to include the symbol value so that it becomes
3684 an addend for the dynamic reloc. */
3685 if (! relocate)
3686 continue;
3687 }
37c644f2
AO
3688 goto final_link_relocate;
3689
fbca6ad9
AO
3690 case R_SH_GOTPLT32:
3691#ifdef INCLUDE_SHMEDIA
3692 case R_SH_GOTPLT_LOW16:
3693 case R_SH_GOTPLT_MEDLOW16:
3694 case R_SH_GOTPLT_MEDHI16:
3695 case R_SH_GOTPLT_HI16:
3696 case R_SH_GOTPLT10BY4:
3697 case R_SH_GOTPLT10BY8:
3698#endif
3699 /* Relocation is to the entry for this symbol in the
3700 procedure linkage table. */
3701
3702 if (h == NULL
f5385ebf 3703 || h->forced_local
fbca6ad9
AO
3704 || ! info->shared
3705 || info->symbolic
3706 || h->dynindx == -1
3707 || h->plt.offset == (bfd_vma) -1
3708 || h->got.offset != (bfd_vma) -1)
3709 goto force_got;
3710
3711 /* Relocation is to the entry for this symbol in the global
3712 offset table extension for the procedure linkage table. */
fbca6ad9 3713
067653c5 3714 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 3715 relocation = (sgotplt->output_offset
55e6e397
RS
3716 + (get_plt_index (htab->plt_info, h->plt.offset)
3717 + 3) * 4);
fbca6ad9
AO
3718
3719#ifdef GOT_BIAS
3720 relocation -= GOT_BIAS;
3721#endif
3722
3723 goto final_link_relocate;
3724
3725 force_got:
37c644f2 3726 case R_SH_GOT32:
fbca6ad9
AO
3727#ifdef INCLUDE_SHMEDIA
3728 case R_SH_GOT_LOW16:
3729 case R_SH_GOT_MEDLOW16:
3730 case R_SH_GOT_MEDHI16:
3731 case R_SH_GOT_HI16:
3732 case R_SH_GOT10BY4:
3733 case R_SH_GOT10BY8:
3734#endif
37c644f2
AO
3735 /* Relocation is to the entry for this symbol in the global
3736 offset table. */
067653c5
AM
3737
3738 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3739
3740 if (h != NULL)
3741 {
b34976b6 3742 bfd_boolean dyn;
37c644f2
AO
3743
3744 off = h->got.offset;
fbca6ad9
AO
3745#ifdef INCLUDE_SHMEDIA
3746 if (seen_stt_datalabel)
3747 {
3748 struct elf_sh_link_hash_entry *hsh;
3749
3750 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3751 off = hsh->datalabel_got.offset;
fbca6ad9
AO
3752 }
3753#endif
37c644f2
AO
3754 BFD_ASSERT (off != (bfd_vma) -1);
3755
067653c5 3756 dyn = htab->root.dynamic_sections_created;
267fb3c1 3757 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 3758 || (info->shared
3d85aebe 3759 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
3760 || (ELF_ST_VISIBILITY (h->other)
3761 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
3762 {
3763 /* This is actually a static link, or it is a
3764 -Bsymbolic link and the symbol is defined
3765 locally, or the symbol was forced to be local
3766 because of a version file. We must initialize
3767 this entry in the global offset table. Since the
3768 offset must always be a multiple of 4, we use the
3769 least significant bit to record whether we have
3770 initialized it already.
3771
3772 When doing a dynamic link, we create a .rela.got
3773 relocation entry to initialize the value. This
3774 is done in the finish_dynamic_symbol routine. */
3775 if ((off & 1) != 0)
3776 off &= ~1;
3777 else
3778 {
3779 bfd_put_32 (output_bfd, relocation,
3780 sgot->contents + off);
fbca6ad9
AO
3781#ifdef INCLUDE_SHMEDIA
3782 if (seen_stt_datalabel)
3783 {
3784 struct elf_sh_link_hash_entry *hsh;
3785
3786 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3787 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
3788 }
3789 else
3790#endif
3791 h->got.offset |= 1;
37c644f2
AO
3792 }
3793 }
3794
3795 relocation = sgot->output_offset + off;
3796 }
3797 else
3798 {
fbca6ad9
AO
3799#ifdef INCLUDE_SHMEDIA
3800 if (rel->r_addend)
3801 {
3802 BFD_ASSERT (local_got_offsets != NULL
3803 && (local_got_offsets[symtab_hdr->sh_info
3804 + r_symndx]
3805 != (bfd_vma) -1));
3806
3807 off = local_got_offsets[symtab_hdr->sh_info
3808 + r_symndx];
3809 }
3810 else
3811 {
3812#endif
37c644f2
AO
3813 BFD_ASSERT (local_got_offsets != NULL
3814 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3815
3816 off = local_got_offsets[r_symndx];
fbca6ad9
AO
3817#ifdef INCLUDE_SHMEDIA
3818 }
3819#endif
37c644f2
AO
3820
3821 /* The offset must always be a multiple of 4. We use
3822 the least significant bit to record whether we have
3823 already generated the necessary reloc. */
3824 if ((off & 1) != 0)
3825 off &= ~1;
3826 else
3827 {
3828 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
3829
3830 if (info->shared)
3831 {
37c644f2 3832 Elf_Internal_Rela outrel;
947216bf 3833 bfd_byte *loc;
37c644f2 3834
3376eaf5
KK
3835 if (srelgot == NULL)
3836 {
3837 srelgot = bfd_get_section_by_name (dynobj,
3838 ".rela.got");
3839 BFD_ASSERT (srelgot != NULL);
3840 }
37c644f2
AO
3841
3842 outrel.r_offset = (sgot->output_section->vma
3843 + sgot->output_offset
3844 + off);
3845 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
3846 outrel.r_addend = relocation;
947216bf
AM
3847 loc = srelgot->contents;
3848 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3849 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3850 }
3851
fbca6ad9
AO
3852#ifdef INCLUDE_SHMEDIA
3853 if (rel->r_addend)
3854 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
3855 else
3856#endif
3857 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
3858 }
3859
3860 relocation = sgot->output_offset + off;
3861 }
3862
fbca6ad9 3863#ifdef GOT_BIAS
067653c5 3864 relocation -= GOT_BIAS;
fbca6ad9
AO
3865#endif
3866
37c644f2
AO
3867 goto final_link_relocate;
3868
3869 case R_SH_GOTOFF:
fbca6ad9
AO
3870#ifdef INCLUDE_SHMEDIA
3871 case R_SH_GOTOFF_LOW16:
3872 case R_SH_GOTOFF_MEDLOW16:
3873 case R_SH_GOTOFF_MEDHI16:
3874 case R_SH_GOTOFF_HI16:
3875#endif
37c644f2
AO
3876 /* Relocation is relative to the start of the global offset
3877 table. */
3878
067653c5 3879 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3880
3881 /* Note that sgot->output_offset is not involved in this
3882 calculation. We always want the start of .got. If we
3883 defined _GLOBAL_OFFSET_TABLE in a different way, as is
3884 permitted by the ABI, we might have to change this
3885 calculation. */
3886 relocation -= sgot->output_section->vma;
3887
fbca6ad9
AO
3888#ifdef GOT_BIAS
3889 relocation -= GOT_BIAS;
3890#endif
3891
3892 addend = rel->r_addend;
3893
37c644f2
AO
3894 goto final_link_relocate;
3895
3896 case R_SH_GOTPC:
fbca6ad9
AO
3897#ifdef INCLUDE_SHMEDIA
3898 case R_SH_GOTPC_LOW16:
3899 case R_SH_GOTPC_MEDLOW16:
3900 case R_SH_GOTPC_MEDHI16:
3901 case R_SH_GOTPC_HI16:
3902#endif
37c644f2
AO
3903 /* Use global offset table as symbol value. */
3904
067653c5 3905 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3906 relocation = sgot->output_section->vma;
3907
fbca6ad9
AO
3908#ifdef GOT_BIAS
3909 relocation += GOT_BIAS;
3910#endif
3911
3912 addend = rel->r_addend;
3913
37c644f2
AO
3914 goto final_link_relocate;
3915
3916 case R_SH_PLT32:
fbca6ad9
AO
3917#ifdef INCLUDE_SHMEDIA
3918 case R_SH_PLT_LOW16:
3919 case R_SH_PLT_MEDLOW16:
3920 case R_SH_PLT_MEDHI16:
3921 case R_SH_PLT_HI16:
3922#endif
37c644f2
AO
3923 /* Relocation is to the entry for this symbol in the
3924 procedure linkage table. */
3925
3926 /* Resolve a PLT reloc against a local symbol directly,
3927 without using the procedure linkage table. */
3928 if (h == NULL)
3929 goto final_link_relocate;
3930
f5385ebf 3931 if (h->forced_local)
37c644f2
AO
3932 goto final_link_relocate;
3933
3934 if (h->plt.offset == (bfd_vma) -1)
3935 {
3936 /* We didn't make a PLT entry for this symbol. This
3937 happens when statically linking PIC code, or when
3938 using -Bsymbolic. */
3939 goto final_link_relocate;
3940 }
3941
067653c5 3942 BFD_ASSERT (splt != NULL);
37c644f2
AO
3943 relocation = (splt->output_section->vma
3944 + splt->output_offset
3945 + h->plt.offset);
3946
fbca6ad9
AO
3947#ifdef INCLUDE_SHMEDIA
3948 relocation++;
3949#endif
3950
3951 addend = rel->r_addend;
3952
37c644f2
AO
3953 goto final_link_relocate;
3954
3955 case R_SH_LOOP_START:
3956 {
3957 static bfd_vma start, end;
3958
3959 start = (relocation + rel->r_addend
3960 - (sec->output_section->vma + sec->output_offset));
3961 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3962 rel->r_offset, sec, start, end);
3963 break;
3964
3965 case R_SH_LOOP_END:
3966 end = (relocation + rel->r_addend
3967 - (sec->output_section->vma + sec->output_offset));
3968 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3969 rel->r_offset, sec, start, end);
3970 break;
3971 }
3376eaf5
KK
3972
3973 case R_SH_TLS_GD_32:
3974 case R_SH_TLS_IE_32:
3975 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
3976 tls_type = GOT_UNKNOWN;
3977 if (h == NULL && local_got_offsets)
3978 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
3979 else if (h != NULL)
3980 {
3981 tls_type = sh_elf_hash_entry (h)->tls_type;
3982 if (! info->shared
3983 && (h->dynindx == -1
f5385ebf 3984 || h->def_regular))
267fb3c1 3985 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
3986 }
3987
3988 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
3989 r_type = R_SH_TLS_IE_32;
3990
3991 if (r_type == R_SH_TLS_LE_32)
3992 {
3993 bfd_vma offset;
3994 unsigned short insn;
3376eaf5
KK
3995
3996 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
3997 {
3998 /* GD->LE transition:
3999 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 4000 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
4001 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4002 We change it into:
4003 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4004 nop; nop; ...
4005 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4006
4007 offset = rel->r_offset;
4008 BFD_ASSERT (offset >= 16);
4009 /* Size of GD instructions is 16 or 18. */
4010 offset -= 16;
4011 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4012 if ((insn & 0xff00) == 0xc700)
4013 {
4014 BFD_ASSERT (offset >= 2);
4015 offset -= 2;
4016 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4017 }
4018
4019 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4020 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4021 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4022 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4023 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4024 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4025 BFD_ASSERT (insn == 0x310c);
4026 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4027 BFD_ASSERT (insn == 0x410b);
4028 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4029 BFD_ASSERT (insn == 0x34cc);
4030
4031 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4032 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4033 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4034 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4035 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4036 }
4037 else
4038 {
4039 int index;
4040
4041 /* IE->LE transition:
4042 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
4043 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
4044 We change it into:
4045 mov.l .Ln,rM; stc gbr,rN; nop; ...;
4046 1: x@TPOFF; 2:. */
4047
4048 offset = rel->r_offset;
4049 BFD_ASSERT (offset >= 16);
4050 /* Size of IE instructions is 10 or 12. */
4051 offset -= 10;
4052 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4053 if ((insn & 0xf0ff) == 0x0012)
4054 {
4055 BFD_ASSERT (offset >= 2);
4056 offset -= 2;
4057 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4058 }
4059
4060 BFD_ASSERT ((insn & 0xff00) == 0xd000);
4061 index = insn & 0x00ff;
4062 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4063 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
4064 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4065 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
4066 insn = 0xd000 | (insn & 0x0f00) | index;
4067 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4068 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4069 }
4070
267fb3c1
KK
4071 bfd_put_32 (output_bfd, tpoff (info, relocation),
4072 contents + rel->r_offset);
3376eaf5
KK
4073 continue;
4074 }
4075
4076 sgot = htab->sgot;
4077 if (sgot == NULL)
4078 abort ();
4079
4080 if (h != NULL)
4081 off = h->got.offset;
4082 else
4083 {
4084 if (local_got_offsets == NULL)
4085 abort ();
4086
4087 off = local_got_offsets[r_symndx];
4088 }
4089
267fb3c1
KK
4090 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4091 if (r_type == R_SH_TLS_IE_32
4092 && ! htab->root.dynamic_sections_created)
4093 {
4094 off &= ~1;
4095 bfd_put_32 (output_bfd, tpoff (info, relocation),
4096 sgot->contents + off);
4097 bfd_put_32 (output_bfd, sgot->output_offset + off,
4098 contents + rel->r_offset);
4099 continue;
4100 }
4101
3376eaf5
KK
4102 if ((off & 1) != 0)
4103 off &= ~1;
26e41594 4104 else
3376eaf5
KK
4105 {
4106 Elf_Internal_Rela outrel;
947216bf 4107 bfd_byte *loc;
3376eaf5
KK
4108 int dr_type, indx;
4109
4110 if (srelgot == NULL)
4111 {
4112 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4113 BFD_ASSERT (srelgot != NULL);
4114 }
4115
4116 outrel.r_offset = (sgot->output_section->vma
4117 + sgot->output_offset + off);
4118
267fb3c1 4119 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
4120 indx = 0;
4121 else
4122 indx = h->dynindx;
267fb3c1 4123
3376eaf5
KK
4124 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4125 R_SH_TLS_TPOFF32);
4126 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4127 outrel.r_addend = relocation - dtpoff_base (info);
4128 else
4129 outrel.r_addend = 0;
4130 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
4131 loc = srelgot->contents;
4132 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4133 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4134
4135 if (r_type == R_SH_TLS_GD_32)
4136 {
4137 if (indx == 0)
4138 {
4139 bfd_put_32 (output_bfd,
4140 relocation - dtpoff_base (info),
4141 sgot->contents + off + 4);
4142 }
4143 else
4144 {
4145 outrel.r_info = ELF32_R_INFO (indx,
4146 R_SH_TLS_DTPOFF32);
4147 outrel.r_offset += 4;
4148 outrel.r_addend = 0;
4149 srelgot->reloc_count++;
947216bf
AM
4150 loc += sizeof (Elf32_External_Rela);
4151 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4152 }
4153 }
4154
4155 if (h != NULL)
4156 h->got.offset |= 1;
4157 else
4158 local_got_offsets[r_symndx] |= 1;
4159 }
4160
4161 if (off >= (bfd_vma) -2)
4162 abort ();
4163
4164 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
4165 relocation = sgot->output_offset + off;
4166 else
4167 {
4168 bfd_vma offset;
4169 unsigned short insn;
4170
4171 /* GD->IE transition:
4172 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4173 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4174 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4175 We change it into:
4176 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4177 nop; nop; bra 3f; nop; .align 2;
4178 1: .long x@TPOFF; 2:...; 3:. */
4179
4180 offset = rel->r_offset;
4181 BFD_ASSERT (offset >= 16);
4182 /* Size of GD instructions is 16 or 18. */
4183 offset -= 16;
4184 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4185 if ((insn & 0xff00) == 0xc700)
4186 {
4187 BFD_ASSERT (offset >= 2);
4188 offset -= 2;
4189 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4190 }
4191
4192 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4193
4194 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4195 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4196
4197 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4198 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4199 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4200 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4201 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4202 BFD_ASSERT (insn == 0x310c);
4203 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4204 BFD_ASSERT (insn == 0x410b);
4205 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4206 BFD_ASSERT (insn == 0x34cc);
4207
4208 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4209 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4210 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4211 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4212 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4213
4214 bfd_put_32 (output_bfd, sgot->output_offset + off,
4215 contents + rel->r_offset);
4216
4217 continue;
4218 }
4219
4220 addend = rel->r_addend;
4221
4222 goto final_link_relocate;
4223
4224 case R_SH_TLS_LD_32:
4225 if (! info->shared)
4226 {
4227 bfd_vma offset;
4228 unsigned short insn;
4229
4230 /* LD->LE transition:
4231 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4232 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4233 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4234 We change it into:
4235 stc gbr,r0; nop; nop; nop;
4236 nop; nop; bra 3f; ...; 3:. */
4237
4238 offset = rel->r_offset;
4239 BFD_ASSERT (offset >= 16);
4240 /* Size of LD instructions is 16 or 18. */
4241 offset -= 16;
4242 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4243 if ((insn & 0xff00) == 0xc700)
4244 {
4245 BFD_ASSERT (offset >= 2);
4246 offset -= 2;
4247 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4248 }
4249
4250 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4251 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4252 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4253 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4254 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4255 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4256 BFD_ASSERT (insn == 0x310c);
4257 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4258 BFD_ASSERT (insn == 0x410b);
4259 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4260 BFD_ASSERT (insn == 0x34cc);
4261
4262 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
4263 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
4264 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4265 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4266 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4267 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4268
4269 continue;
4270 }
4271
4272 sgot = htab->sgot;
4273 if (sgot == NULL)
4274 abort ();
4275
4276 off = htab->tls_ldm_got.offset;
4277 if (off & 1)
4278 off &= ~1;
4279 else
4280 {
4281 Elf_Internal_Rela outrel;
947216bf 4282 bfd_byte *loc;
3376eaf5
KK
4283
4284 srelgot = htab->srelgot;
4285 if (srelgot == NULL)
4286 abort ();
4287
4288 outrel.r_offset = (sgot->output_section->vma
4289 + sgot->output_offset + off);
4290 outrel.r_addend = 0;
4291 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
4292 loc = srelgot->contents;
4293 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4294 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4295 htab->tls_ldm_got.offset |= 1;
4296 }
4297
4298 relocation = sgot->output_offset + off;
4299 addend = rel->r_addend;
4300
4301 goto final_link_relocate;
4302
4303 case R_SH_TLS_LDO_32:
4304 if (! info->shared)
267fb3c1 4305 relocation = tpoff (info, relocation);
3376eaf5
KK
4306 else
4307 relocation -= dtpoff_base (info);
4308
4309 addend = rel->r_addend;
4310 goto final_link_relocate;
4311
4312 case R_SH_TLS_LE_32:
4313 {
4314 int indx;
4315 Elf_Internal_Rela outrel;
947216bf 4316 bfd_byte *loc;
3376eaf5 4317
267fb3c1
KK
4318 if (! info->shared)
4319 {
4320 relocation = tpoff (info, relocation);
4321 addend = rel->r_addend;
4322 goto final_link_relocate;
4323 }
4324
3376eaf5
KK
4325 if (sreloc == NULL)
4326 {
4327 const char *name;
4328
4329 name = (bfd_elf_string_from_elf_section
4330 (input_bfd,
4331 elf_elfheader (input_bfd)->e_shstrndx,
4332 elf_section_data (input_section)->rel_hdr.sh_name));
4333 if (name == NULL)
b34976b6 4334 return FALSE;
3376eaf5 4335
0112cd26 4336 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
3376eaf5
KK
4337 && strcmp (bfd_get_section_name (input_bfd,
4338 input_section),
4339 name + 5) == 0);
4340
4341 sreloc = bfd_get_section_by_name (dynobj, name);
4342 BFD_ASSERT (sreloc != NULL);
4343 }
4344
267fb3c1
KK
4345 if (h == NULL || h->dynindx == -1)
4346 indx = 0;
4347 else
4348 indx = h->dynindx;
4349
3376eaf5
KK
4350 outrel.r_offset = (input_section->output_section->vma
4351 + input_section->output_offset
4352 + rel->r_offset);
4353 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
4354 if (indx == 0)
4355 outrel.r_addend = relocation - dtpoff_base (info);
4356 else
4357 outrel.r_addend = 0;
3376eaf5 4358
947216bf
AM
4359 loc = sreloc->contents;
4360 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4361 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4362 continue;
4363 }
37c644f2
AO
4364 }
4365
146be91a 4366 relocation_done:
37c644f2
AO
4367 if (r != bfd_reloc_ok)
4368 {
4369 switch (r)
4370 {
4371 default:
4372 case bfd_reloc_outofrange:
4373 abort ();
4374 case bfd_reloc_overflow:
4375 {
4376 const char *name;
4377
4378 if (h != NULL)
dfeffb9f 4379 name = NULL;
37c644f2
AO
4380 else
4381 {
252b5132
RH
4382 name = (bfd_elf_string_from_elf_section
4383 (input_bfd, symtab_hdr->sh_link, sym->st_name));
4384 if (name == NULL)
b34976b6 4385 return FALSE;
252b5132
RH
4386 if (*name == '\0')
4387 name = bfd_section_name (input_bfd, sec);
4388 }
4389 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
4390 (info, (h ? &h->root : NULL), name, howto->name,
4391 (bfd_vma) 0, input_bfd, input_section,
4392 rel->r_offset)))
b34976b6 4393 return FALSE;
252b5132
RH
4394 }
4395 break;
4396 }
4397 }
4398 }
4399
b34976b6 4400 return TRUE;
252b5132
RH
4401}
4402
4403/* This is a version of bfd_generic_get_relocated_section_contents
4404 which uses sh_elf_relocate_section. */
4405
4406static bfd_byte *
09fd220b
KK
4407sh_elf_get_relocated_section_contents (bfd *output_bfd,
4408 struct bfd_link_info *link_info,
4409 struct bfd_link_order *link_order,
4410 bfd_byte *data,
4411 bfd_boolean relocatable,
4412 asymbol **symbols)
252b5132
RH
4413{
4414 Elf_Internal_Shdr *symtab_hdr;
4415 asection *input_section = link_order->u.indirect.section;
4416 bfd *input_bfd = input_section->owner;
4417 asection **sections = NULL;
4418 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 4419 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
4420
4421 /* We only need to handle the case of relaxing, or of having a
4422 particular set of section contents, specially. */
1049f94e 4423 if (relocatable
252b5132
RH
4424 || elf_section_data (input_section)->this_hdr.contents == NULL)
4425 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4426 link_order, data,
1049f94e 4427 relocatable,
252b5132
RH
4428 symbols);
4429
4430 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4431
4432 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 4433 (size_t) input_section->size);
252b5132
RH
4434
4435 if ((input_section->flags & SEC_RELOC) != 0
4436 && input_section->reloc_count > 0)
4437 {
252b5132 4438 asection **secpp;
6cdc0ccc 4439 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 4440 bfd_size_type amt;
252b5132 4441
45d6a902 4442 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 4443 (input_bfd, input_section, NULL,
b34976b6 4444 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
4445 if (internal_relocs == NULL)
4446 goto error_return;
4447
6cdc0ccc
AM
4448 if (symtab_hdr->sh_info != 0)
4449 {
4450 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4451 if (isymbuf == NULL)
4452 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4453 symtab_hdr->sh_info, 0,
4454 NULL, NULL, NULL);
4455 if (isymbuf == NULL)
4456 goto error_return;
4457 }
252b5132 4458
9ad5cbcf
AM
4459 amt = symtab_hdr->sh_info;
4460 amt *= sizeof (asection *);
4461 sections = (asection **) bfd_malloc (amt);
4462 if (sections == NULL && amt != 0)
252b5132
RH
4463 goto error_return;
4464
6cdc0ccc
AM
4465 isymend = isymbuf + symtab_hdr->sh_info;
4466 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
4467 {
4468 asection *isec;
4469
6cdc0ccc 4470 if (isym->st_shndx == SHN_UNDEF)
252b5132 4471 isec = bfd_und_section_ptr;
6cdc0ccc 4472 else if (isym->st_shndx == SHN_ABS)
252b5132 4473 isec = bfd_abs_section_ptr;
6cdc0ccc 4474 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
4475 isec = bfd_com_section_ptr;
4476 else
6cdc0ccc 4477 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
4478
4479 *secpp = isec;
4480 }
4481
4482 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
4483 input_section, data, internal_relocs,
6cdc0ccc 4484 isymbuf, sections))
252b5132
RH
4485 goto error_return;
4486
4487 if (sections != NULL)
4488 free (sections);
6cdc0ccc
AM
4489 if (isymbuf != NULL
4490 && symtab_hdr->contents != (unsigned char *) isymbuf)
4491 free (isymbuf);
4492 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 4493 free (internal_relocs);
252b5132
RH
4494 }
4495
4496 return data;
4497
4498 error_return:
252b5132
RH
4499 if (sections != NULL)
4500 free (sections);
6cdc0ccc
AM
4501 if (isymbuf != NULL
4502 && symtab_hdr->contents != (unsigned char *) isymbuf)
4503 free (isymbuf);
4504 if (internal_relocs != NULL
4505 && elf_section_data (input_section)->relocs != internal_relocs)
4506 free (internal_relocs);
252b5132
RH
4507 return NULL;
4508}
917583ad 4509
3376eaf5
KK
4510/* Return the base VMA address which should be subtracted from real addresses
4511 when resolving @dtpoff relocation.
4512 This is PT_TLS segment p_vaddr. */
4513
4514static bfd_vma
09fd220b 4515dtpoff_base (struct bfd_link_info *info)
3376eaf5 4516{
e1918d23
AM
4517 /* If tls_sec is NULL, we should have signalled an error already. */
4518 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 4519 return 0;
e1918d23 4520 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
4521}
4522
267fb3c1
KK
4523/* Return the relocation value for R_SH_TLS_TPOFF32.. */
4524
4525static bfd_vma
09fd220b 4526tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 4527{
e1918d23
AM
4528 /* If tls_sec is NULL, we should have signalled an error already. */
4529 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
4530 return 0;
4531 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
4532 structure which has 2 pointer fields. */
044ad7e3
KK
4533 return (address - elf_hash_table (info)->tls_sec->vma
4534 + align_power ((bfd_vma) 8,
4535 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
4536}
4537
252b5132 4538static asection *
09fd220b 4539sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
4540 struct bfd_link_info *info,
4541 Elf_Internal_Rela *rel,
4542 struct elf_link_hash_entry *h,
09fd220b 4543 Elf_Internal_Sym *sym)
252b5132
RH
4544{
4545 if (h != NULL)
07adf181
AM
4546 switch (ELF32_R_TYPE (rel->r_info))
4547 {
4548 case R_SH_GNU_VTINHERIT:
4549 case R_SH_GNU_VTENTRY:
4550 return NULL;
4551 }
9ad5cbcf 4552
07adf181 4553 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
4554}
4555
37c644f2
AO
4556/* Update the got entry reference counts for the section being removed. */
4557
b34976b6 4558static bfd_boolean
09fd220b
KK
4559sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
4560 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 4561{
067653c5
AM
4562 Elf_Internal_Shdr *symtab_hdr;
4563 struct elf_link_hash_entry **sym_hashes;
4564 bfd_signed_vma *local_got_refcounts;
4565 const Elf_Internal_Rela *rel, *relend;
067653c5
AM
4566
4567 elf_section_data (sec)->local_dynrel = NULL;
4568
4569 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
4570 sym_hashes = elf_sym_hashes (abfd);
4571 local_got_refcounts = elf_local_got_refcounts (abfd);
4572
4573 relend = relocs + sec->reloc_count;
4574 for (rel = relocs; rel < relend; rel++)
396a6083 4575 {
26e41594
AM
4576 unsigned long r_symndx;
4577 unsigned int r_type;
4578 struct elf_link_hash_entry *h = NULL;
396a6083
SC
4579#ifdef INCLUDE_SHMEDIA
4580 int seen_stt_datalabel = 0;
4581#endif
3376eaf5 4582
396a6083 4583 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 4584 if (r_symndx >= symtab_hdr->sh_info)
396a6083 4585 {
26e41594
AM
4586 struct elf_sh_link_hash_entry *eh;
4587 struct elf_sh_dyn_relocs **pp;
4588 struct elf_sh_dyn_relocs *p;
4589
396a6083 4590 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4591 while (h->root.type == bfd_link_hash_indirect
4592 || h->root.type == bfd_link_hash_warning)
4593 {
3eb128b2 4594#ifdef INCLUDE_SHMEDIA
396a6083 4595 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 4596#endif
396a6083
SC
4597 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4598 }
26e41594
AM
4599 eh = (struct elf_sh_link_hash_entry *) h;
4600 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
4601 if (p->sec == sec)
4602 {
4603 /* Everything must go for SEC. */
4604 *pp = p->next;
4605 break;
4606 }
396a6083 4607 }
067653c5 4608
26e41594
AM
4609 r_type = ELF32_R_TYPE (rel->r_info);
4610 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
4611 {
4612 case R_SH_TLS_LD_32:
4613 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
4614 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
4615 break;
4616
4617 case R_SH_GOT32:
4618 case R_SH_GOTOFF:
4619 case R_SH_GOTPC:
4620#ifdef INCLUDE_SHMEDIA
4621 case R_SH_GOT_LOW16:
4622 case R_SH_GOT_MEDLOW16:
4623 case R_SH_GOT_MEDHI16:
4624 case R_SH_GOT_HI16:
4625 case R_SH_GOT10BY4:
4626 case R_SH_GOT10BY8:
4627 case R_SH_GOTOFF_LOW16:
4628 case R_SH_GOTOFF_MEDLOW16:
4629 case R_SH_GOTOFF_MEDHI16:
4630 case R_SH_GOTOFF_HI16:
4631 case R_SH_GOTPC_LOW16:
4632 case R_SH_GOTPC_MEDLOW16:
4633 case R_SH_GOTPC_MEDHI16:
4634 case R_SH_GOTPC_HI16:
4635#endif
4636 case R_SH_TLS_GD_32:
4637 case R_SH_TLS_IE_32:
4638 if (h != NULL)
4639 {
4640#ifdef INCLUDE_SHMEDIA
4641 if (seen_stt_datalabel)
4642 {
26e41594
AM
4643 struct elf_sh_link_hash_entry *eh;
4644 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
4645 if (eh->datalabel_got.refcount > 0)
4646 eh->datalabel_got.refcount -= 1;
4647 }
4648 else
4649#endif
4650 if (h->got.refcount > 0)
4651 h->got.refcount -= 1;
4652 }
4653 else if (local_got_refcounts != NULL)
4654 {
4655#ifdef INCLUDE_SHMEDIA
4656 if (rel->r_addend & 1)
4657 {
4658 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4659 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4660 }
4661 else
4662#endif
4663 if (local_got_refcounts[r_symndx] > 0)
4664 local_got_refcounts[r_symndx] -= 1;
4665 }
4666 break;
4667
4668 case R_SH_DIR32:
4669 case R_SH_REL32:
26e41594
AM
4670 if (info->shared)
4671 break;
4672 /* Fall thru */
396a6083
SC
4673
4674 case R_SH_PLT32:
4675#ifdef INCLUDE_SHMEDIA
4676 case R_SH_PLT_LOW16:
4677 case R_SH_PLT_MEDLOW16:
4678 case R_SH_PLT_MEDHI16:
4679 case R_SH_PLT_HI16:
4680#endif
4681 if (h != NULL)
4682 {
4683 if (h->plt.refcount > 0)
4684 h->plt.refcount -= 1;
4685 }
4686 break;
067653c5 4687
396a6083
SC
4688 case R_SH_GOTPLT32:
4689#ifdef INCLUDE_SHMEDIA
4690 case R_SH_GOTPLT_LOW16:
4691 case R_SH_GOTPLT_MEDLOW16:
4692 case R_SH_GOTPLT_MEDHI16:
4693 case R_SH_GOTPLT_HI16:
4694 case R_SH_GOTPLT10BY4:
4695 case R_SH_GOTPLT10BY8:
4696#endif
4697 if (h != NULL)
4698 {
26e41594
AM
4699 struct elf_sh_link_hash_entry *eh;
4700 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 4701 if (eh->gotplt_refcount > 0)
067653c5 4702 {
396a6083
SC
4703 eh->gotplt_refcount -= 1;
4704 if (h->plt.refcount > 0)
4705 h->plt.refcount -= 1;
067653c5 4706 }
067653c5 4707#ifdef INCLUDE_SHMEDIA
396a6083
SC
4708 else if (seen_stt_datalabel)
4709 {
4710 if (eh->datalabel_got.refcount > 0)
4711 eh->datalabel_got.refcount -= 1;
4712 }
067653c5 4713#endif
396a6083
SC
4714 else if (h->got.refcount > 0)
4715 h->got.refcount -= 1;
4716 }
4717 else if (local_got_refcounts != NULL)
4718 {
067653c5 4719#ifdef INCLUDE_SHMEDIA
396a6083
SC
4720 if (rel->r_addend & 1)
4721 {
4722 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4723 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4724 }
4725 else
067653c5 4726#endif
396a6083
SC
4727 if (local_got_refcounts[r_symndx] > 0)
4728 local_got_refcounts[r_symndx] -= 1;
4729 }
4730 break;
067653c5 4731
396a6083
SC
4732 default:
4733 break;
4734 }
4735 }
067653c5 4736
b34976b6 4737 return TRUE;
252b5132
RH
4738}
4739
067653c5
AM
4740/* Copy the extra info we tack onto an elf_link_hash_entry. */
4741
4742static void
fcfa13d2 4743sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
4744 struct elf_link_hash_entry *dir,
4745 struct elf_link_hash_entry *ind)
067653c5
AM
4746{
4747 struct elf_sh_link_hash_entry *edir, *eind;
4748
4749 edir = (struct elf_sh_link_hash_entry *) dir;
4750 eind = (struct elf_sh_link_hash_entry *) ind;
4751
4752 if (eind->dyn_relocs != NULL)
4753 {
4754 if (edir->dyn_relocs != NULL)
4755 {
4756 struct elf_sh_dyn_relocs **pp;
4757 struct elf_sh_dyn_relocs *p;
4758
fcfa13d2 4759 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
4760 list. Merge any entries against the same section. */
4761 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
4762 {
4763 struct elf_sh_dyn_relocs *q;
4764
4765 for (q = edir->dyn_relocs; q != NULL; q = q->next)
4766 if (q->sec == p->sec)
4767 {
4768 q->pc_count += p->pc_count;
4769 q->count += p->count;
4770 *pp = p->next;
4771 break;
4772 }
4773 if (q == NULL)
4774 pp = &p->next;
4775 }
4776 *pp = edir->dyn_relocs;
4777 }
4778
4779 edir->dyn_relocs = eind->dyn_relocs;
4780 eind->dyn_relocs = NULL;
4781 }
4989d792
SC
4782 edir->gotplt_refcount = eind->gotplt_refcount;
4783 eind->gotplt_refcount = 0;
396a6083 4784#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
4785 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
4786 eind->datalabel_got.refcount = 0;
396a6083 4787#endif
067653c5 4788
3376eaf5
KK
4789 if (ind->root.type == bfd_link_hash_indirect
4790 && dir->got.refcount <= 0)
4791 {
4792 edir->tls_type = eind->tls_type;
4793 eind->tls_type = GOT_UNKNOWN;
4794 }
4795
04e534c3 4796 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
4797 && dir->dynamic_adjusted)
4798 {
4799 /* If called to transfer flags for a weakdef during processing
4800 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
4801 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
4802 dir->ref_dynamic |= ind->ref_dynamic;
4803 dir->ref_regular |= ind->ref_regular;
4804 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
4805 dir->needs_plt |= ind->needs_plt;
4806 }
04e534c3 4807 else
fcfa13d2 4808 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
4809}
4810
3376eaf5 4811static int
09fd220b
KK
4812sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
4813 int is_local)
3376eaf5
KK
4814{
4815 if (info->shared)
4816 return r_type;
4817
4818 switch (r_type)
4819 {
4820 case R_SH_TLS_GD_32:
4821 case R_SH_TLS_IE_32:
4822 if (is_local)
4823 return R_SH_TLS_LE_32;
4824 return R_SH_TLS_IE_32;
4825 case R_SH_TLS_LD_32:
4826 return R_SH_TLS_LE_32;
4827 }
4828
4829 return r_type;
4830}
4831
252b5132
RH
4832/* Look through the relocs for a section during the first phase.
4833 Since we don't do .gots or .plts, we just need to consider the
4834 virtual table relocs for gc. */
435b1e90 4835
b34976b6 4836static bfd_boolean
09fd220b
KK
4837sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
4838 const Elf_Internal_Rela *relocs)
252b5132
RH
4839{
4840 Elf_Internal_Shdr *symtab_hdr;
5582a088 4841 struct elf_link_hash_entry **sym_hashes;
067653c5 4842 struct elf_sh_link_hash_table *htab;
252b5132
RH
4843 const Elf_Internal_Rela *rel;
4844 const Elf_Internal_Rela *rel_end;
37c644f2
AO
4845 bfd_vma *local_got_offsets;
4846 asection *sgot;
4847 asection *srelgot;
4848 asection *sreloc;
3376eaf5
KK
4849 unsigned int r_type;
4850 int tls_type, old_tls_type;
435b1e90 4851
37c644f2
AO
4852 sgot = NULL;
4853 srelgot = NULL;
4854 sreloc = NULL;
4855
1049f94e 4856 if (info->relocatable)
b34976b6 4857 return TRUE;
435b1e90 4858
252b5132
RH
4859 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
4860 sym_hashes = elf_sym_hashes (abfd);
435b1e90 4861
067653c5 4862 htab = sh_elf_hash_table (info);
37c644f2
AO
4863 local_got_offsets = elf_local_got_offsets (abfd);
4864
252b5132
RH
4865 rel_end = relocs + sec->reloc_count;
4866 for (rel = relocs; rel < rel_end; rel++)
4867 {
4868 struct elf_link_hash_entry *h;
4869 unsigned long r_symndx;
396a6083
SC
4870#ifdef INCLUDE_SHMEDIA
4871 int seen_stt_datalabel = 0;
4872#endif
435b1e90 4873
252b5132 4874 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
4875 r_type = ELF32_R_TYPE (rel->r_info);
4876
252b5132 4877 if (r_symndx < symtab_hdr->sh_info)
435b1e90 4878 h = NULL;
252b5132 4879 else
396a6083
SC
4880 {
4881 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4882 while (h->root.type == bfd_link_hash_indirect
4883 || h->root.type == bfd_link_hash_warning)
4884 {
973a3492 4885#ifdef INCLUDE_SHMEDIA
396a6083 4886 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 4887#endif
396a6083
SC
4888 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4889 }
396a6083 4890 }
435b1e90 4891
3376eaf5
KK
4892 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4893 if (! info->shared
4894 && r_type == R_SH_TLS_IE_32
4895 && h != NULL
4896 && h->root.type != bfd_link_hash_undefined
4897 && h->root.type != bfd_link_hash_undefweak
4898 && (h->dynindx == -1
f5385ebf 4899 || h->def_regular))
3376eaf5
KK
4900 r_type = R_SH_TLS_LE_32;
4901
37c644f2 4902 /* Some relocs require a global offset table. */
067653c5 4903 if (htab->sgot == NULL)
37c644f2 4904 {
3376eaf5 4905 switch (r_type)
37c644f2 4906 {
fbca6ad9 4907 case R_SH_GOTPLT32:
37c644f2
AO
4908 case R_SH_GOT32:
4909 case R_SH_GOTOFF:
4910 case R_SH_GOTPC:
fbca6ad9
AO
4911#ifdef INCLUDE_SHMEDIA
4912 case R_SH_GOTPLT_LOW16:
4913 case R_SH_GOTPLT_MEDLOW16:
4914 case R_SH_GOTPLT_MEDHI16:
4915 case R_SH_GOTPLT_HI16:
4916 case R_SH_GOTPLT10BY4:
4917 case R_SH_GOTPLT10BY8:
4918 case R_SH_GOT_LOW16:
4919 case R_SH_GOT_MEDLOW16:
4920 case R_SH_GOT_MEDHI16:
4921 case R_SH_GOT_HI16:
4922 case R_SH_GOT10BY4:
4923 case R_SH_GOT10BY8:
4924 case R_SH_GOTOFF_LOW16:
4925 case R_SH_GOTOFF_MEDLOW16:
4926 case R_SH_GOTOFF_MEDHI16:
4927 case R_SH_GOTOFF_HI16:
4928 case R_SH_GOTPC_LOW16:
4929 case R_SH_GOTPC_MEDLOW16:
4930 case R_SH_GOTPC_MEDHI16:
4931 case R_SH_GOTPC_HI16:
4932#endif
3376eaf5
KK
4933 case R_SH_TLS_GD_32:
4934 case R_SH_TLS_LD_32:
4935 case R_SH_TLS_IE_32:
2293c499
AM
4936 if (htab->sgot == NULL)
4937 {
4938 if (htab->root.dynobj == NULL)
4939 htab->root.dynobj = abfd;
4940 if (!create_got_section (htab->root.dynobj, info))
4941 return FALSE;
4942 }
37c644f2
AO
4943 break;
4944
4945 default:
4946 break;
4947 }
4948 }
4949
3376eaf5 4950 switch (r_type)
067653c5
AM
4951 {
4952 /* This relocation describes the C++ object vtable hierarchy.
4953 Reconstruct it for later use during GC. */
435b1e90 4954 case R_SH_GNU_VTINHERIT:
c152c796 4955 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 4956 return FALSE;
435b1e90
KH
4957 break;
4958
067653c5
AM
4959 /* This relocation describes which C++ vtable entries are actually
4960 used. Record for later use during GC. */
435b1e90 4961 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
4962 BFD_ASSERT (h != NULL);
4963 if (h != NULL
4964 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 4965 return FALSE;
435b1e90 4966 break;
37c644f2 4967
3376eaf5
KK
4968 case R_SH_TLS_IE_32:
4969 if (info->shared)
4970 info->flags |= DF_STATIC_TLS;
4971
4972 /* FALLTHROUGH */
267fb3c1 4973 force_got:
3376eaf5 4974 case R_SH_TLS_GD_32:
37c644f2 4975 case R_SH_GOT32:
fbca6ad9
AO
4976#ifdef INCLUDE_SHMEDIA
4977 case R_SH_GOT_LOW16:
4978 case R_SH_GOT_MEDLOW16:
4979 case R_SH_GOT_MEDHI16:
4980 case R_SH_GOT_HI16:
4981 case R_SH_GOT10BY4:
4982 case R_SH_GOT10BY8:
4983#endif
3376eaf5
KK
4984 switch (r_type)
4985 {
4986 default:
4987 tls_type = GOT_NORMAL;
4988 break;
4989 case R_SH_TLS_GD_32:
4990 tls_type = GOT_TLS_GD;
4991 break;
4992 case R_SH_TLS_IE_32:
4993 tls_type = GOT_TLS_IE;
4994 break;
4995 }
4996
37c644f2 4997 if (h != NULL)
3376eaf5 4998 {
396a6083
SC
4999#ifdef INCLUDE_SHMEDIA
5000 if (seen_stt_datalabel)
5001 {
b34976b6
AM
5002 struct elf_sh_link_hash_entry *eh
5003 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5004
5005 eh->datalabel_got.refcount += 1;
5006 }
5007 else
5008#endif
5009 h->got.refcount += 1;
3376eaf5
KK
5010 old_tls_type = sh_elf_hash_entry (h)->tls_type;
5011 }
37c644f2
AO
5012 else
5013 {
067653c5
AM
5014 bfd_signed_vma *local_got_refcounts;
5015
435b1e90 5016 /* This is a global offset table entry for a local
067653c5
AM
5017 symbol. */
5018 local_got_refcounts = elf_local_got_refcounts (abfd);
5019 if (local_got_refcounts == NULL)
37c644f2 5020 {
dc810e39 5021 bfd_size_type size;
37c644f2 5022
dc810e39 5023 size = symtab_hdr->sh_info;
067653c5 5024 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
5025#ifdef INCLUDE_SHMEDIA
5026 /* Reserve space for both the datalabel and
5027 codelabel local GOT offsets. */
5028 size *= 2;
5029#endif
3376eaf5 5030 size += symtab_hdr->sh_info;
067653c5
AM
5031 local_got_refcounts = ((bfd_signed_vma *)
5032 bfd_zalloc (abfd, size));
5033 if (local_got_refcounts == NULL)
b34976b6 5034 return FALSE;
067653c5 5035 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
5036#ifdef INCLUDE_SHMEDIA
5037 /* Take care of both the datalabel and codelabel local
5038 GOT offsets. */
5039 sh_elf_local_got_tls_type (abfd)
5040 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
5041#else
5042 sh_elf_local_got_tls_type (abfd)
5043 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
5044#endif
37c644f2 5045 }
396a6083
SC
5046#ifdef INCLUDE_SHMEDIA
5047 if (rel->r_addend & 1)
5048 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
5049 else
5050#endif
5051 local_got_refcounts[r_symndx] += 1;
3376eaf5
KK
5052 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
5053 }
5054
5055 /* If a TLS symbol is accessed using IE at least once,
5056 there is no point to use dynamic model for it. */
5057 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
5058 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
5059 {
5060 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
5061 tls_type = GOT_TLS_IE;
5062 else
5063 {
5064 (*_bfd_error_handler)
d003868e
AM
5065 (_("%B: `%s' accessed both as normal and thread local symbol"),
5066 abfd, h->root.root.string);
b34976b6 5067 return FALSE;
3376eaf5
KK
5068 }
5069 }
5070
5071 if (old_tls_type != tls_type)
5072 {
5073 if (h != NULL)
5074 sh_elf_hash_entry (h)->tls_type = tls_type;
5075 else
5076 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
37c644f2 5077 }
3376eaf5
KK
5078
5079 break;
5080
5081 case R_SH_TLS_LD_32:
5082 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
5083 break;
5084
fbca6ad9
AO
5085 case R_SH_GOTPLT32:
5086#ifdef INCLUDE_SHMEDIA
5087 case R_SH_GOTPLT_LOW16:
5088 case R_SH_GOTPLT_MEDLOW16:
5089 case R_SH_GOTPLT_MEDHI16:
5090 case R_SH_GOTPLT_HI16:
5091 case R_SH_GOTPLT10BY4:
5092 case R_SH_GOTPLT10BY8:
5093#endif
5094 /* If this is a local symbol, we resolve it directly without
5095 creating a procedure linkage table entry. */
5096
5097 if (h == NULL
f5385ebf 5098 || h->forced_local
fbca6ad9
AO
5099 || ! info->shared
5100 || info->symbolic
067653c5 5101 || h->dynindx == -1)
fbca6ad9
AO
5102 goto force_got;
5103
f5385ebf 5104 h->needs_plt = 1;
067653c5 5105 h->plt.refcount += 1;
4989d792 5106 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
5107
5108 break;
5109
37c644f2 5110 case R_SH_PLT32:
fbca6ad9
AO
5111#ifdef INCLUDE_SHMEDIA
5112 case R_SH_PLT_LOW16:
5113 case R_SH_PLT_MEDLOW16:
5114 case R_SH_PLT_MEDHI16:
5115 case R_SH_PLT_HI16:
5116#endif
37c644f2
AO
5117 /* This symbol requires a procedure linkage table entry. We
5118 actually build the entry in adjust_dynamic_symbol,
5119 because this might be a case of linking PIC code which is
5120 never referenced by a dynamic object, in which case we
5121 don't need to generate a procedure linkage table entry
5122 after all. */
5123
5124 /* If this is a local symbol, we resolve it directly without
5125 creating a procedure linkage table entry. */
5126 if (h == NULL)
5127 continue;
5128
f5385ebf 5129 if (h->forced_local)
37c644f2
AO
5130 break;
5131
f5385ebf 5132 h->needs_plt = 1;
067653c5 5133 h->plt.refcount += 1;
37c644f2
AO
5134 break;
5135
5136 case R_SH_DIR32:
5137 case R_SH_REL32:
46e993b9
KK
5138#ifdef INCLUDE_SHMEDIA
5139 case R_SH_IMM_LOW16_PCREL:
5140 case R_SH_IMM_MEDLOW16_PCREL:
5141 case R_SH_IMM_MEDHI16_PCREL:
5142 case R_SH_IMM_HI16_PCREL:
5143#endif
067653c5
AM
5144 if (h != NULL && ! info->shared)
5145 {
f5385ebf 5146 h->non_got_ref = 1;
067653c5
AM
5147 h->plt.refcount += 1;
5148 }
37c644f2
AO
5149
5150 /* If we are creating a shared library, and this is a reloc
5151 against a global symbol, or a non PC relative reloc
5152 against a local symbol, then we need to copy the reloc
5153 into the shared library. However, if we are linking with
5154 -Bsymbolic, we do not need to copy a reloc against a
5155 global symbol which is defined in an object we are
5156 including in the link (i.e., DEF_REGULAR is set). At
5157 this point we have not seen all the input files, so it is
5158 possible that DEF_REGULAR is not set now but will be set
5159 later (it is never cleared). We account for that
5160 possibility below by storing information in the
067653c5
AM
5161 dyn_relocs field of the hash table entry. A similar
5162 situation occurs when creating shared libraries and symbol
5163 visibility changes render the symbol local.
5164
5165 If on the other hand, we are creating an executable, we
5166 may need to keep relocations for symbols satisfied by a
5167 dynamic library if we manage to avoid copy relocs for the
5168 symbol. */
5169 if ((info->shared
5170 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 5171 && (r_type != R_SH_REL32
067653c5
AM
5172 || (h != NULL
5173 && (! info->symbolic
5174 || h->root.type == bfd_link_hash_defweak
f5385ebf 5175 || !h->def_regular))))
067653c5
AM
5176 || (! info->shared
5177 && (sec->flags & SEC_ALLOC) != 0
5178 && h != NULL
5179 && (h->root.type == bfd_link_hash_defweak
f5385ebf 5180 || !h->def_regular)))
37c644f2 5181 {
067653c5
AM
5182 struct elf_sh_dyn_relocs *p;
5183 struct elf_sh_dyn_relocs **head;
5184
2293c499
AM
5185 if (htab->root.dynobj == NULL)
5186 htab->root.dynobj = abfd;
067653c5 5187
37c644f2
AO
5188 /* When creating a shared object, we must copy these
5189 reloc types into the output file. We create a reloc
5190 section in dynobj and make room for this reloc. */
5191 if (sreloc == NULL)
5192 {
5193 const char *name;
5194
5195 name = (bfd_elf_string_from_elf_section
5196 (abfd,
5197 elf_elfheader (abfd)->e_shstrndx,
5198 elf_section_data (sec)->rel_hdr.sh_name));
5199 if (name == NULL)
b34976b6 5200 return FALSE;
37c644f2 5201
0112cd26 5202 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
37c644f2
AO
5203 && strcmp (bfd_get_section_name (abfd, sec),
5204 name + 5) == 0);
5205
2293c499 5206 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
37c644f2
AO
5207 if (sreloc == NULL)
5208 {
5209 flagword flags;
5210
37c644f2
AO
5211 flags = (SEC_HAS_CONTENTS | SEC_READONLY
5212 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
5213 if ((sec->flags & SEC_ALLOC) != 0)
5214 flags |= SEC_ALLOC | SEC_LOAD;
3496cb2a
L
5215 sreloc = bfd_make_section_with_flags (htab->root.dynobj,
5216 name,
5217 flags);
37c644f2 5218 if (sreloc == NULL
2293c499
AM
5219 || ! bfd_set_section_alignment (htab->root.dynobj,
5220 sreloc, 2))
b34976b6 5221 return FALSE;
37c644f2 5222 }
067653c5 5223 elf_section_data (sec)->sreloc = sreloc;
37c644f2
AO
5224 }
5225
067653c5
AM
5226 /* If this is a global symbol, we count the number of
5227 relocations we need for this symbol. */
5228 if (h != NULL)
5229 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5230 else
37c644f2 5231 {
067653c5 5232 asection *s;
6edfbbad 5233 void *vpp;
37c644f2 5234
067653c5
AM
5235 /* Track dynamic relocs needed for local syms too. */
5236 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
5237 sec, r_symndx);
5238 if (s == NULL)
b34976b6 5239 return FALSE;
37c644f2 5240
6edfbbad
DJ
5241 vpp = &elf_section_data (s)->local_dynrel;
5242 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 5243 }
37c644f2 5244
067653c5
AM
5245 p = *head;
5246 if (p == NULL || p->sec != sec)
5247 {
5248 bfd_size_type amt = sizeof (*p);
2293c499 5249 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 5250 if (p == NULL)
b34976b6 5251 return FALSE;
067653c5
AM
5252 p->next = *head;
5253 *head = p;
5254 p->sec = sec;
5255 p->count = 0;
5256 p->pc_count = 0;
37c644f2 5257 }
067653c5
AM
5258
5259 p->count += 1;
46e993b9
KK
5260 if (r_type == R_SH_REL32
5261#ifdef INCLUDE_SHMEDIA
5262 || r_type == R_SH_IMM_LOW16_PCREL
5263 || r_type == R_SH_IMM_MEDLOW16_PCREL
5264 || r_type == R_SH_IMM_MEDHI16_PCREL
5265 || r_type == R_SH_IMM_HI16_PCREL
5266#endif
5267 )
067653c5 5268 p->pc_count += 1;
37c644f2
AO
5269 }
5270
5271 break;
3376eaf5
KK
5272
5273 case R_SH_TLS_LE_32:
5274 if (info->shared)
5275 {
d003868e
AM
5276 (*_bfd_error_handler)
5277 (_("%B: TLS local exec code cannot be linked into shared objects"),
5278 abfd);
b34976b6 5279 return FALSE;
3376eaf5
KK
5280 }
5281
267fb3c1 5282 break;
3376eaf5 5283
3376eaf5 5284 case R_SH_TLS_LDO_32:
267fb3c1 5285 /* Nothing to do. */
3376eaf5
KK
5286 break;
5287
5288 default:
5289 break;
435b1e90 5290 }
252b5132 5291 }
435b1e90 5292
b34976b6 5293 return TRUE;
252b5132
RH
5294}
5295
fbca6ad9 5296#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
5297static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5298
b34976b6 5299static bfd_boolean
09fd220b 5300sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 5301{
f6f9408f
JR
5302 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5303
5304 if (flags >= sizeof(sh_ef_bfd_table))
5305 return FALSE;
5306
5307 if (sh_ef_bfd_table[flags] == 0)
5308 return FALSE;
5309
5310 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 5311
b34976b6 5312 return TRUE;
d4845d57 5313}
f6f9408f
JR
5314
5315
5316/* Reverse table lookup for sh_ef_bfd_table[].
5317 Given a bfd MACH value from archures.c
5318 return the equivalent ELF flags from the table.
5319 Return -1 if no match is found. */
5320
5321int
5322sh_elf_get_flags_from_mach (unsigned long mach)
5323{
4195f552 5324 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
f6f9408f
JR
5325
5326 for (; i>0; i--)
5327 if (sh_ef_bfd_table[i] == mach)
5328 return i;
5329
5330 /* shouldn't get here */
5331 BFD_FAIL();
5332
5333 return -1;
5334}
fbca6ad9 5335#endif /* not sh_elf_set_mach_from_flags */
d4845d57 5336
fbca6ad9 5337#ifndef sh_elf_set_private_flags
435b1e90
KH
5338/* Function to keep SH specific file flags. */
5339
b34976b6 5340static bfd_boolean
09fd220b 5341sh_elf_set_private_flags (bfd *abfd, flagword flags)
d4845d57
JR
5342{
5343 BFD_ASSERT (! elf_flags_init (abfd)
5344 || elf_elfheader (abfd)->e_flags == flags);
5345
5346 elf_elfheader (abfd)->e_flags = flags;
b34976b6 5347 elf_flags_init (abfd) = TRUE;
d4845d57
JR
5348 return sh_elf_set_mach_from_flags (abfd);
5349}
fbca6ad9 5350#endif /* not sh_elf_set_private_flags */
d4845d57 5351
fbca6ad9 5352#ifndef sh_elf_copy_private_data
d4845d57 5353/* Copy backend specific data from one object module to another */
435b1e90 5354
b34976b6 5355static bfd_boolean
09fd220b 5356sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 5357{
38b1a46c 5358 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
d4845d57 5359 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 5360 return TRUE;
d4845d57 5361
104d59d1
JM
5362 /* Copy object attributes. */
5363 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5364
d4845d57
JR
5365 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
5366}
fbca6ad9 5367#endif /* not sh_elf_copy_private_data */
d4845d57 5368
fbca6ad9 5369#ifndef sh_elf_merge_private_data
d4845d57 5370
f6f9408f
JR
5371/* This function returns the ELF architecture number that
5372 corresponds to the given arch_sh* flags. */
85fbca6a 5373
f6f9408f
JR
5374int
5375sh_find_elf_flags (unsigned int arch_set)
d4845d57 5376{
85fbca6a 5377 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 5378 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 5379
f6f9408f
JR
5380 return sh_elf_get_flags_from_mach (bfd_mach);
5381}
f6f9408f
JR
5382
5383/* This routine initialises the elf flags when required and
5384 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 5385
f6f9408f
JR
5386static bfd_boolean
5387sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
5388{
85fbca6a
NC
5389 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
5390
d4845d57
JR
5391 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
5392 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 5393 return TRUE;
d4845d57
JR
5394
5395 if (! elf_flags_init (obfd))
5396 {
a39b79b9 5397 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 5398 elf_flags_init (obfd) = TRUE;
a39b79b9 5399 elf_elfheader (obfd)->e_flags = EF_SH1;
f6f9408f 5400 sh_elf_set_mach_from_flags (obfd);
d4845d57 5401 }
d4845d57 5402
85fbca6a 5403 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 5404 {
d003868e 5405 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 5406 "with instructions used in previous modules",
d003868e 5407 ibfd);
1d70c7fb
AO
5408 bfd_set_error (bfd_error_bad_value);
5409 return FALSE;
5410 }
f6f9408f
JR
5411
5412 elf_elfheader (obfd)->e_flags =
5413 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
5414
5415 return TRUE;
d4845d57 5416}
fbca6ad9 5417#endif /* not sh_elf_merge_private_data */
d4845d57 5418
3376eaf5
KK
5419/* Override the generic function because we need to store sh_elf_obj_tdata
5420 as the specific tdata. We set also the machine architecture from flags
5421 here. */
5422
b34976b6 5423static bfd_boolean
09fd220b 5424sh_elf_object_p (bfd *abfd)
3376eaf5 5425{
66becf32 5426 return sh_elf_set_mach_from_flags (abfd);
3376eaf5
KK
5427}
5428
37c644f2
AO
5429/* Finish up dynamic symbol handling. We set the contents of various
5430 dynamic sections here. */
5431
b34976b6 5432static bfd_boolean
09fd220b
KK
5433sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
5434 struct elf_link_hash_entry *h,
5435 Elf_Internal_Sym *sym)
37c644f2 5436{
067653c5 5437 struct elf_sh_link_hash_table *htab;
37c644f2 5438
067653c5 5439 htab = sh_elf_hash_table (info);
37c644f2
AO
5440
5441 if (h->plt.offset != (bfd_vma) -1)
5442 {
5443 asection *splt;
5444 asection *sgot;
5445 asection *srel;
5446
5447 bfd_vma plt_index;
5448 bfd_vma got_offset;
5449 Elf_Internal_Rela rel;
947216bf 5450 bfd_byte *loc;
37c644f2
AO
5451
5452 /* This symbol has an entry in the procedure linkage table. Set
5453 it up. */
5454
5455 BFD_ASSERT (h->dynindx != -1);
5456
067653c5
AM
5457 splt = htab->splt;
5458 sgot = htab->sgotplt;
5459 srel = htab->srelplt;
37c644f2
AO
5460 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5461
5462 /* Get the index in the procedure linkage table which
5463 corresponds to this symbol. This is the index of this symbol
5464 in all the symbols for which we are making plt entries. The
5465 first entry in the procedure linkage table is reserved. */
55e6e397 5466 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2
AO
5467
5468 /* Get the offset into the .got table of the entry that
5469 corresponds to this function. Each .got entry is 4 bytes.
5470 The first three are reserved. */
5471 got_offset = (plt_index + 3) * 4;
5472
fbca6ad9 5473#ifdef GOT_BIAS
c8614e8e
AM
5474 if (info->shared)
5475 got_offset -= GOT_BIAS;
fbca6ad9
AO
5476#endif
5477
37c644f2 5478 /* Fill in the entry in the procedure linkage table. */
55e6e397
RS
5479 memcpy (splt->contents + h->plt.offset,
5480 htab->plt_info->symbol_entry,
5481 htab->plt_info->symbol_entry_size);
5482
5483 if (info->shared)
5484 install_plt_field (output_bfd, FALSE, got_offset,
5485 (splt->contents
5486 + h->plt.offset
5487 + htab->plt_info->symbol_fields.got_entry));
5488 else
37c644f2 5489 {
55e6e397 5490 install_plt_field (output_bfd, FALSE,
fbca6ad9
AO
5491 (sgot->output_section->vma
5492 + sgot->output_offset
5493 + got_offset),
55e6e397
RS
5494 (splt->contents
5495 + h->plt.offset
5496 + htab->plt_info->symbol_fields.got_entry));
5497 if (htab->vxworks_p)
37c644f2 5498 {
55e6e397
RS
5499 unsigned int reachable_plts, plts_per_4k;
5500 int distance;
5501
5502 /* Divide the PLT into groups. The first group contains
5503 REACHABLE_PLTS entries and the other groups contain
5504 PLTS_PER_4K entries. Entries in the first group can
5505 branch directly to .plt; those in later groups branch
5506 to the last element of the previous group. */
5507 /* ??? It would be better to create multiple copies of
5508 the common resolver stub. */
5509 reachable_plts = ((4096
5510 - htab->plt_info->plt0_entry_size
5511 - (htab->plt_info->symbol_fields.plt + 4))
5512 / htab->plt_info->symbol_entry_size) + 1;
5513 plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
5514 if (plt_index < reachable_plts)
5515 distance = -(h->plt.offset
5516 + htab->plt_info->symbol_fields.plt);
5517 else
5518 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
5519 * htab->plt_info->symbol_entry_size);
5520
5521 /* Install the 'bra' with this offset. */
5522 bfd_put_16 (output_bfd,
5523 0xa000 | (0x0fff & ((distance - 4) / 2)),
5524 (splt->contents
5525 + h->plt.offset
5526 + htab->plt_info->symbol_fields.plt));
37c644f2 5527 }
55e6e397
RS
5528 else
5529 install_plt_field (output_bfd, TRUE,
5530 splt->output_section->vma + splt->output_offset,
5531 (splt->contents
5532 + h->plt.offset
5533 + htab->plt_info->symbol_fields.plt));
37c644f2
AO
5534 }
5535
fbca6ad9 5536#ifdef GOT_BIAS
c8614e8e
AM
5537 if (info->shared)
5538 got_offset += GOT_BIAS;
fbca6ad9
AO
5539#endif
5540
55e6e397 5541 install_plt_field (output_bfd, FALSE,
fbca6ad9 5542 plt_index * sizeof (Elf32_External_Rela),
55e6e397
RS
5543 (splt->contents
5544 + h->plt.offset
5545 + htab->plt_info->symbol_fields.reloc_offset));
37c644f2
AO
5546
5547 /* Fill in the entry in the global offset table. */
5548 bfd_put_32 (output_bfd,
5549 (splt->output_section->vma
5550 + splt->output_offset
5551 + h->plt.offset
55e6e397 5552 + htab->plt_info->symbol_resolve_offset),
37c644f2
AO
5553 sgot->contents + got_offset);
5554
5555 /* Fill in the entry in the .rela.plt section. */
5556 rel.r_offset = (sgot->output_section->vma
5557 + sgot->output_offset
5558 + got_offset);
5559 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
5560 rel.r_addend = 0;
fbca6ad9
AO
5561#ifdef GOT_BIAS
5562 rel.r_addend = GOT_BIAS;
5563#endif
947216bf
AM
5564 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
5565 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 5566
55e6e397
RS
5567 if (htab->vxworks_p && !info->shared)
5568 {
5569 /* Create the .rela.plt.unloaded relocations for this PLT entry.
5570 Begin by pointing LOC to the first such relocation. */
5571 loc = (htab->srelplt2->contents
5572 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
5573
5574 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
5575 for the PLT entry's pointer to the .got.plt entry. */
5576 rel.r_offset = (htab->splt->output_section->vma
5577 + htab->splt->output_offset
5578 + h->plt.offset
5579 + htab->plt_info->symbol_fields.got_entry);
5580 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5581 rel.r_addend = got_offset;
5582 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5583 loc += sizeof (Elf32_External_Rela);
5584
5585 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
5586 the .got.plt entry, which initially points to .plt. */
5587 rel.r_offset = (htab->sgotplt->output_section->vma
5588 + htab->sgotplt->output_offset
5589 + got_offset);
5590 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
5591 rel.r_addend = 0;
5592 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5593 }
5594
f5385ebf 5595 if (!h->def_regular)
37c644f2
AO
5596 {
5597 /* Mark the symbol as undefined, rather than as defined in
5598 the .plt section. Leave the value alone. */
5599 sym->st_shndx = SHN_UNDEF;
5600 }
5601 }
5602
3376eaf5
KK
5603 if (h->got.offset != (bfd_vma) -1
5604 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
5605 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
37c644f2
AO
5606 {
5607 asection *sgot;
5608 asection *srel;
5609 Elf_Internal_Rela rel;
947216bf 5610 bfd_byte *loc;
37c644f2
AO
5611
5612 /* This symbol has an entry in the global offset table. Set it
5613 up. */
5614
067653c5
AM
5615 sgot = htab->sgot;
5616 srel = htab->srelgot;
37c644f2
AO
5617 BFD_ASSERT (sgot != NULL && srel != NULL);
5618
5619 rel.r_offset = (sgot->output_section->vma
5620 + sgot->output_offset
dc810e39 5621 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 5622
067653c5
AM
5623 /* If this is a static link, or it is a -Bsymbolic link and the
5624 symbol is defined locally or was forced to be local because
5625 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
5626 The entry in the global offset table will already have been
5627 initialized in the relocate_section function. */
5628 if (info->shared
3d85aebe 5629 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2
AO
5630 {
5631 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5632 rel.r_addend = (h->root.u.def.value
5633 + h->root.u.def.section->output_section->vma
5634 + h->root.u.def.section->output_offset);
5635 }
5636 else
5637 {
5638 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5639 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5640 rel.r_addend = 0;
5641 }
5642
947216bf
AM
5643 loc = srel->contents;
5644 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5645 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5646 }
5647
396a6083
SC
5648#ifdef INCLUDE_SHMEDIA
5649 {
5650 struct elf_sh_link_hash_entry *eh;
5651
5652 eh = (struct elf_sh_link_hash_entry *) h;
5653 if (eh->datalabel_got.offset != (bfd_vma) -1)
5654 {
5655 asection *sgot;
5656 asection *srel;
5657 Elf_Internal_Rela rel;
947216bf 5658 bfd_byte *loc;
396a6083
SC
5659
5660 /* This symbol has a datalabel entry in the global offset table.
5661 Set it up. */
5662
5663 sgot = htab->sgot;
5664 srel = htab->srelgot;
5665 BFD_ASSERT (sgot != NULL && srel != NULL);
5666
5667 rel.r_offset = (sgot->output_section->vma
5668 + sgot->output_offset
5669 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
5670
5671 /* If this is a static link, or it is a -Bsymbolic link and the
5672 symbol is defined locally or was forced to be local because
5673 of a version file, we just want to emit a RELATIVE reloc.
5674 The entry in the global offset table will already have been
5675 initialized in the relocate_section function. */
5676 if (info->shared
3d85aebe 5677 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083
SC
5678 {
5679 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5680 rel.r_addend = (h->root.u.def.value
5681 + h->root.u.def.section->output_section->vma
5682 + h->root.u.def.section->output_offset);
5683 }
5684 else
5685 {
5686 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
5687 + eh->datalabel_got.offset);
5688 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5689 rel.r_addend = 0;
5690 }
5691
947216bf
AM
5692 loc = srel->contents;
5693 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5694 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
5695 }
5696 }
5697#endif
5698
f5385ebf 5699 if (h->needs_copy)
37c644f2
AO
5700 {
5701 asection *s;
5702 Elf_Internal_Rela rel;
947216bf 5703 bfd_byte *loc;
37c644f2
AO
5704
5705 /* This symbol needs a copy reloc. Set it up. */
5706
5707 BFD_ASSERT (h->dynindx != -1
5708 && (h->root.type == bfd_link_hash_defined
5709 || h->root.type == bfd_link_hash_defweak));
5710
5711 s = bfd_get_section_by_name (h->root.u.def.section->owner,
5712 ".rela.bss");
5713 BFD_ASSERT (s != NULL);
5714
5715 rel.r_offset = (h->root.u.def.value
5716 + h->root.u.def.section->output_section->vma
5717 + h->root.u.def.section->output_offset);
5718 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
5719 rel.r_addend = 0;
947216bf
AM
5720 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
5721 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5722 }
5723
55e6e397
RS
5724 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
5725 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
5726 ".got" section. */
37c644f2 5727 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
55e6e397 5728 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
5729 sym->st_shndx = SHN_ABS;
5730
b34976b6 5731 return TRUE;
37c644f2
AO
5732}
5733
5734/* Finish up the dynamic sections. */
5735
b34976b6 5736static bfd_boolean
09fd220b 5737sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 5738{
067653c5 5739 struct elf_sh_link_hash_table *htab;
37c644f2
AO
5740 asection *sgot;
5741 asection *sdyn;
5742
067653c5 5743 htab = sh_elf_hash_table (info);
067653c5 5744 sgot = htab->sgotplt;
2293c499 5745 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
37c644f2 5746
067653c5 5747 if (htab->root.dynamic_sections_created)
37c644f2
AO
5748 {
5749 asection *splt;
5750 Elf32_External_Dyn *dyncon, *dynconend;
5751
067653c5 5752 BFD_ASSERT (sgot != NULL && sdyn != NULL);
37c644f2
AO
5753
5754 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 5755 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
5756 for (; dyncon < dynconend; dyncon++)
5757 {
5758 Elf_Internal_Dyn dyn;
37c644f2 5759 asection *s;
067653c5
AM
5760#ifdef INCLUDE_SHMEDIA
5761 const char *name;
5762#endif
37c644f2 5763
2293c499 5764 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
5765
5766 switch (dyn.d_tag)
5767 {
5768 default:
7a2b07ff
NS
5769 if (htab->vxworks_p
5770 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
5771 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
5772 break;
5773
3b587c71
AM
5774#ifdef INCLUDE_SHMEDIA
5775 case DT_INIT:
5776 name = info->init_function;
5777 goto get_sym;
5778
5779 case DT_FINI:
5780 name = info->fini_function;
5781 get_sym:
5782 if (dyn.d_un.d_val != 0)
5783 {
067653c5
AM
5784 struct elf_link_hash_entry *h;
5785
5786 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 5787 FALSE, FALSE, TRUE);
3b587c71
AM
5788 if (h != NULL && (h->other & STO_SH5_ISA32))
5789 {
5790 dyn.d_un.d_val |= 1;
5791 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5792 }
5793 }
5794 break;
5795#endif
5796
37c644f2 5797 case DT_PLTGOT:
067653c5 5798 s = htab->sgot->output_section;
37c644f2
AO
5799 goto get_vma;
5800
5801 case DT_JMPREL:
067653c5 5802 s = htab->srelplt->output_section;
37c644f2 5803 get_vma:
37c644f2
AO
5804 BFD_ASSERT (s != NULL);
5805 dyn.d_un.d_ptr = s->vma;
5806 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5807 break;
5808
5809 case DT_PLTRELSZ:
067653c5 5810 s = htab->srelplt->output_section;
37c644f2 5811 BFD_ASSERT (s != NULL);
eea6121a 5812 dyn.d_un.d_val = s->size;
37c644f2
AO
5813 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5814 break;
5815
5816 case DT_RELASZ:
5817 /* My reading of the SVR4 ABI indicates that the
5818 procedure linkage table relocs (DT_JMPREL) should be
5819 included in the overall relocs (DT_RELA). This is
5820 what Solaris does. However, UnixWare can not handle
5821 that case. Therefore, we override the DT_RELASZ entry
5822 here to make it not include the JMPREL relocs. Since
5823 the linker script arranges for .rela.plt to follow all
5824 other relocation sections, we don't have to worry
5825 about changing the DT_RELA entry. */
067653c5 5826 if (htab->srelplt != NULL)
37c644f2 5827 {
067653c5 5828 s = htab->srelplt->output_section;
eea6121a 5829 dyn.d_un.d_val -= s->size;
37c644f2
AO
5830 }
5831 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5832 break;
5833 }
5834 }
5835
5836 /* Fill in the first entry in the procedure linkage table. */
067653c5 5837 splt = htab->splt;
55e6e397 5838 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 5839 {
55e6e397
RS
5840 unsigned int i;
5841
5842 memcpy (splt->contents,
5843 htab->plt_info->plt0_entry,
5844 htab->plt_info->plt0_entry_size);
5845 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
5846 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
5847 install_plt_field (output_bfd, FALSE,
5848 (sgot->output_section->vma
5849 + sgot->output_offset
5850 + (i * 4)),
5851 (splt->contents
5852 + htab->plt_info->plt0_got_fields[i]));
5853
5854 if (htab->vxworks_p)
37c644f2 5855 {
55e6e397
RS
5856 /* Finalize the .rela.plt.unloaded contents. */
5857 Elf_Internal_Rela rel;
5858 bfd_byte *loc;
5859
5860 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
5861 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
5862 loc = htab->srelplt2->contents;
5863 rel.r_offset = (splt->output_section->vma
5864 + splt->output_offset
5865 + htab->plt_info->plt0_got_fields[2]);
5866 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5867 rel.r_addend = 8;
5868 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5869 loc += sizeof (Elf32_External_Rela);
5870
5871 /* Fix up the remaining .rela.plt.unloaded relocations.
5872 They may have the wrong symbol index for _G_O_T_ or
5873 _P_L_T_ depending on the order in which symbols were
5874 output. */
5875 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 5876 {
55e6e397
RS
5877 /* The PLT entry's pointer to the .got.plt slot. */
5878 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5879 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
5880 R_SH_DIR32);
5881 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5882 loc += sizeof (Elf32_External_Rela);
5883
5884 /* The .got.plt slot's pointer to .plt. */
5885 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5886 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
5887 R_SH_DIR32);
5888 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5889 loc += sizeof (Elf32_External_Rela);
37c644f2 5890 }
37c644f2
AO
5891 }
5892
5893 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5894 really seem like the right value. */
5895 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
5896 }
5897 }
5898
5899 /* Fill in the first three entries in the global offset table. */
eea6121a 5900 if (sgot && sgot->size > 0)
37c644f2
AO
5901 {
5902 if (sdyn == NULL)
5903 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5904 else
5905 bfd_put_32 (output_bfd,
5906 sdyn->output_section->vma + sdyn->output_offset,
5907 sgot->contents);
5908 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5909 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
37c644f2 5910
067653c5
AM
5911 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5912 }
37c644f2 5913
b34976b6 5914 return TRUE;
37c644f2
AO
5915}
5916
99e4ae17 5917static enum elf_reloc_type_class
09fd220b 5918sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
99e4ae17 5919{
f51e552e 5920 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
5921 {
5922 case R_SH_RELATIVE:
5923 return reloc_class_relative;
5924 case R_SH_JMP_SLOT:
5925 return reloc_class_plt;
5926 case R_SH_COPY:
5927 return reloc_class_copy;
5928 default:
5929 return reloc_class_normal;
5930 }
5931}
5932
85fbca6a 5933#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 5934/* Support for Linux core dump NOTE sections. */
85fbca6a 5935
b34976b6 5936static bfd_boolean
09fd220b 5937elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5938{
5939 int offset;
eea6121a 5940 unsigned int size;
2bc3c89a
AM
5941
5942 switch (note->descsz)
5943 {
5944 default:
b34976b6 5945 return FALSE;
2bc3c89a
AM
5946
5947 case 168: /* Linux/SH */
5948 /* pr_cursig */
5949 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5950
5951 /* pr_pid */
5952 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5953
5954 /* pr_reg */
5955 offset = 72;
eea6121a 5956 size = 92;
2bc3c89a
AM
5957
5958 break;
5959 }
5960
5961 /* Make a ".reg/999" section. */
5962 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 5963 size, note->descpos + offset);
2bc3c89a
AM
5964}
5965
b34976b6 5966static bfd_boolean
09fd220b 5967elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5968{
5969 switch (note->descsz)
5970 {
5971 default:
b34976b6 5972 return FALSE;
2bc3c89a
AM
5973
5974 case 124: /* Linux/SH elf_prpsinfo */
5975 elf_tdata (abfd)->core_program
5976 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
5977 elf_tdata (abfd)->core_command
5978 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
5979 }
5980
5981 /* Note that for some reason, a spurious space is tacked
5982 onto the end of the args in some (at least one anyway)
5983 implementations, so strip it off if it exists. */
5984
5985 {
5986 char *command = elf_tdata (abfd)->core_command;
5987 int n = strlen (command);
5988
5989 if (0 < n && command[n - 1] == ' ')
5990 command[n - 1] = '\0';
5991 }
5992
b34976b6 5993 return TRUE;
2bc3c89a 5994}
85fbca6a 5995#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 5996
1f1799d5
KK
5997
5998/* Return address for Ith PLT stub in section PLT, for relocation REL
5999 or (bfd_vma) -1 if it should not be included. */
6000
6001static bfd_vma
6002sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
6003 const arelent *rel ATTRIBUTE_UNUSED)
6004{
55e6e397
RS
6005 const struct elf_sh_plt_info *plt_info;
6006
6007 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
6008 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
6009}
6010
85fbca6a 6011#if !defined SH_TARGET_ALREADY_DEFINED
252b5132
RH
6012#define TARGET_BIG_SYM bfd_elf32_sh_vec
6013#define TARGET_BIG_NAME "elf32-sh"
6014#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
6015#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
6016#endif
6017
252b5132
RH
6018#define ELF_ARCH bfd_arch_sh
6019#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
6020#ifdef __QNXTARGET__
6021#define ELF_MAXPAGESIZE 0x1000
6022#else
6023#define ELF_MAXPAGESIZE 0x80
6024#endif
252b5132
RH
6025
6026#define elf_symbol_leading_char '_'
6027
6028#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
6029#define bfd_elf32_bfd_reloc_name_lookup \
6030 sh_elf_reloc_name_lookup
252b5132
RH
6031#define elf_info_to_howto sh_elf_info_to_howto
6032#define bfd_elf32_bfd_relax_section sh_elf_relax_section
6033#define elf_backend_relocate_section sh_elf_relocate_section
6034#define bfd_elf32_bfd_get_relocated_section_contents \
6035 sh_elf_get_relocated_section_contents
3376eaf5
KK
6036#define bfd_elf32_mkobject sh_elf_mkobject
6037#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
6038#define bfd_elf32_bfd_set_private_bfd_flags \
6039 sh_elf_set_private_flags
6040#define bfd_elf32_bfd_copy_private_bfd_data \
6041 sh_elf_copy_private_data
875f7f69 6042#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 6043 sh_elf_merge_private_data
252b5132 6044
067653c5
AM
6045#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
6046#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
6047#define elf_backend_check_relocs sh_elf_check_relocs
6048#define elf_backend_copy_indirect_symbol \
6049 sh_elf_copy_indirect_symbol
37c644f2
AO
6050#define elf_backend_create_dynamic_sections \
6051 sh_elf_create_dynamic_sections
6052#define bfd_elf32_bfd_link_hash_table_create \
6053 sh_elf_link_hash_table_create
6054#define elf_backend_adjust_dynamic_symbol \
6055 sh_elf_adjust_dynamic_symbol
55e6e397
RS
6056#define elf_backend_always_size_sections \
6057 sh_elf_always_size_sections
37c644f2
AO
6058#define elf_backend_size_dynamic_sections \
6059 sh_elf_size_dynamic_sections
74541ad4
AM
6060#define elf_backend_omit_section_dynsym \
6061 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
37c644f2
AO
6062#define elf_backend_finish_dynamic_symbol \
6063 sh_elf_finish_dynamic_symbol
6064#define elf_backend_finish_dynamic_sections \
6065 sh_elf_finish_dynamic_sections
99e4ae17 6066#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 6067#define elf_backend_plt_sym_val sh_elf_plt_sym_val
37c644f2 6068
067653c5
AM
6069#define elf_backend_can_gc_sections 1
6070#define elf_backend_can_refcount 1
37c644f2
AO
6071#define elf_backend_want_got_plt 1
6072#define elf_backend_plt_readonly 1
6073#define elf_backend_want_plt_sym 0
6074#define elf_backend_got_header_size 12
ed71e111 6075
85fbca6a 6076#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 6077
252b5132 6078#include "elf32-target.h"
ed71e111 6079
2bc3c89a
AM
6080/* NetBSD support. */
6081#undef TARGET_BIG_SYM
6082#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
6083#undef TARGET_BIG_NAME
6084#define TARGET_BIG_NAME "elf32-sh-nbsd"
6085#undef TARGET_LITTLE_SYM
6086#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
6087#undef TARGET_LITTLE_NAME
6088#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6089#undef ELF_MAXPAGESIZE
6090#define ELF_MAXPAGESIZE 0x10000
24718e3b 6091#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
6092#undef elf_symbol_leading_char
6093#define elf_symbol_leading_char 0
571fe01f 6094#undef elf32_bed
2bc3c89a
AM
6095#define elf32_bed elf32_sh_nbsd_bed
6096
6097#include "elf32-target.h"
6098
2bc3c89a
AM
6099
6100/* Linux support. */
6101#undef TARGET_BIG_SYM
6102#define TARGET_BIG_SYM bfd_elf32_shblin_vec
6103#undef TARGET_BIG_NAME
6104#define TARGET_BIG_NAME "elf32-shbig-linux"
6105#undef TARGET_LITTLE_SYM
6106#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
6107#undef TARGET_LITTLE_NAME
6108#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
6109#undef ELF_COMMONPAGESIZE
6110#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
6111
6112#undef elf_backend_grok_prstatus
6113#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6114#undef elf_backend_grok_psinfo
6115#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 6116#undef elf32_bed
2bc3c89a
AM
6117#define elf32_bed elf32_sh_lin_bed
6118
6119#include "elf32-target.h"
6120
55e6e397
RS
6121#undef TARGET_BIG_SYM
6122#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
6123#undef TARGET_BIG_NAME
6124#define TARGET_BIG_NAME "elf32-sh-vxworks"
6125#undef TARGET_LITTLE_SYM
6126#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
6127#undef TARGET_LITTLE_NAME
6128#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6129#undef elf32_bed
6130#define elf32_bed elf32_sh_vxworks_bed
6131
6132#undef elf_backend_want_plt_sym
6133#define elf_backend_want_plt_sym 1
6134#undef elf_symbol_leading_char
6135#define elf_symbol_leading_char '_'
6136#define elf_backend_want_got_underscore 1
6137#undef elf_backend_grok_prstatus
6138#undef elf_backend_grok_psinfo
6139#undef elf_backend_add_symbol_hook
6140#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6141#undef elf_backend_link_output_symbol_hook
6142#define elf_backend_link_output_symbol_hook \
6143 elf_vxworks_link_output_symbol_hook
6144#undef elf_backend_emit_relocs
6145#define elf_backend_emit_relocs elf_vxworks_emit_relocs
6146#undef elf_backend_final_write_processing
6147#define elf_backend_final_write_processing \
6148 elf_vxworks_final_write_processing
6149#undef ELF_MAXPAGESIZE
6150#define ELF_MAXPAGESIZE 0x1000
6151#undef ELF_COMMONPAGESIZE
6152
6153#include "elf32-target.h"
6154
85fbca6a 6155#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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