* m68k-dis.c: Rewrite to remove use of setjmp/longjmp.
[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
CommitLineData
ef230218 1/* Renesas / SuperH SH specific support for 32-bit ELF
22d606e9 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
0ffa91dd 3 2006, 2007, 2008 Free Software Foundation, Inc.
252b5132
RH
4 Contributed by Ian Lance Taylor, Cygnus Support.
5
571fe01f 6 This file is part of BFD, the Binary File Descriptor library.
252b5132 7
571fe01f
NC
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
cd123cb7 10 the Free Software Foundation; either version 3 of the License, or
571fe01f 11 (at your option) any later version.
252b5132 12
571fe01f
NC
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
252b5132 17
571fe01f
NC
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
cd123cb7
NC
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
252b5132 22
252b5132 23#include "sysdep.h"
3db64b00 24#include "bfd.h"
252b5132
RH
25#include "bfdlink.h"
26#include "libbfd.h"
27#include "elf-bfd.h"
55e6e397 28#include "elf-vxworks.h"
252b5132 29#include "elf/sh.h"
f6f9408f 30#include "libiberty.h"
871ec896 31#include "../opcodes/sh-opc.h"
252b5132
RH
32
33static bfd_reloc_status_type sh_elf_reloc
09fd220b 34 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
252b5132 35static bfd_reloc_status_type sh_elf_ignore_reloc
09fd220b 36 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
b34976b6 37static bfd_boolean sh_elf_relax_delete_bytes
09fd220b 38 (bfd *, asection *, bfd_vma, int);
b34976b6 39static bfd_boolean sh_elf_align_loads
09fd220b 40 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
85fbca6a 41#ifndef SH64_ELF
b34976b6 42static bfd_boolean sh_elf_swap_insns
09fd220b 43 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
85fbca6a 44#endif
3376eaf5 45static int sh_elf_optimized_tls_reloc
09fd220b 46 (struct bfd_link_info *, int, int);
3376eaf5 47static bfd_vma dtpoff_base
09fd220b 48 (struct bfd_link_info *);
267fb3c1 49static bfd_vma tpoff
09fd220b 50 (struct bfd_link_info *, bfd_vma);
37c644f2
AO
51
52/* The name of the dynamic interpreter. This is put in the .interp
53 section. */
54
55#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
252b5132 56
55e6e397
RS
57#define MINUS_ONE ((bfd_vma) 0 - 1)
58\f
59#define SH_PARTIAL32 TRUE
60#define SH_SRC_MASK32 0xffffffff
61#define SH_ELF_RELOC sh_elf_reloc
38b1a46c
NC
62static reloc_howto_type sh_elf_howto_table[] =
63{
55e6e397
RS
64#include "elf32-sh-relocs.h"
65};
fbca6ad9 66
55e6e397
RS
67#define SH_PARTIAL32 FALSE
68#define SH_SRC_MASK32 0
69#define SH_ELF_RELOC bfd_elf_generic_reloc
70static reloc_howto_type sh_vxworks_howto_table[] =
71{
72#include "elf32-sh-relocs.h"
73};
74\f
75/* Return true if OUTPUT_BFD is a VxWorks object. */
fbca6ad9 76
55e6e397 77static bfd_boolean
527a23b8 78vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
55e6e397 79{
527a23b8 80#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
55e6e397
RS
81 extern const bfd_target bfd_elf32_shlvxworks_vec;
82 extern const bfd_target bfd_elf32_shvxworks_vec;
fbca6ad9 83
55e6e397
RS
84 return (abfd->xvec == &bfd_elf32_shlvxworks_vec
85 || abfd->xvec == &bfd_elf32_shvxworks_vec);
527a23b8
NC
86#else
87 return FALSE;
88#endif
55e6e397 89}
fbca6ad9 90
55e6e397 91/* Return the howto table for ABFD. */
fbca6ad9 92
55e6e397
RS
93static reloc_howto_type *
94get_howto_table (bfd *abfd)
95{
96 if (vxworks_object_p (abfd))
97 return sh_vxworks_howto_table;
98 return sh_elf_howto_table;
99}
252b5132 100
015551fc 101static bfd_reloc_status_type
09fd220b
KK
102sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
103 asection *input_section, bfd_byte *contents,
104 bfd_vma addr, asection *symbol_section,
105 bfd_vma start, bfd_vma end)
015551fc
JR
106{
107 static bfd_vma last_addr;
00fdaf47 108 static asection *last_symbol_section;
015551fc
JR
109 bfd_byte *start_ptr, *ptr, *last_ptr;
110 int diff, cum_diff;
111 bfd_signed_vma x;
112 int insn;
113
114 /* Sanity check the address. */
07515404 115 if (addr > bfd_get_section_limit (input_bfd, input_section))
015551fc
JR
116 return bfd_reloc_outofrange;
117
118 /* We require the start and end relocations to be processed consecutively -
119 although we allow then to be processed forwards or backwards. */
120 if (! last_addr)
121 {
122 last_addr = addr;
123 last_symbol_section = symbol_section;
124 return bfd_reloc_ok;
125 }
126 if (last_addr != addr)
127 abort ();
128 last_addr = 0;
129
130 if (! symbol_section || last_symbol_section != symbol_section || end < start)
131 return bfd_reloc_outofrange;
132
133 /* Get the symbol_section contents. */
134 if (symbol_section != input_section)
135 {
136 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
137 contents = elf_section_data (symbol_section)->this_hdr.contents;
138 else
139 {
eea6121a
AM
140 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
141 &contents))
015551fc 142 {
eea6121a
AM
143 if (contents != NULL)
144 free (contents);
015551fc
JR
145 return bfd_reloc_outofrange;
146 }
147 }
148 }
149#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
150 start_ptr = contents + start;
151 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
152 {
153 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
154 ptr -= 2;
155 ptr += 2;
61ff1804 156 diff = (last_ptr - ptr) >> 1;
015551fc
JR
157 cum_diff += diff & 1;
158 cum_diff += diff;
159 }
160 /* Calculate the start / end values to load into rs / re minus four -
161 so that will cancel out the four we would otherwise have to add to
162 addr to get the value to subtract in order to get relative addressing. */
163 if (cum_diff >= 0)
164 {
165 start -= 4;
166 end = (ptr + cum_diff * 2) - contents;
167 }
168 else
169 {
170 bfd_vma start0 = start - 4;
171
a0fc8ba1 172 while (start0 && IS_PPI (contents + start0))
015551fc
JR
173 start0 -= 2;
174 start0 = start - 2 - ((start - start0) & 2);
175 start = start0 - cum_diff - 2;
176 end = start0;
177 }
178
6cdc0ccc
AM
179 if (contents != NULL
180 && elf_section_data (symbol_section)->this_hdr.contents != contents)
181 free (contents);
015551fc
JR
182
183 insn = bfd_get_16 (input_bfd, contents + addr);
184
185 x = (insn & 0x200 ? end : start) - addr;
186 if (input_section != symbol_section)
187 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
188 - (input_section->output_section->vma
189 + input_section->output_offset));
190 x >>= 1;
191 if (x < -128 || x > 127)
192 return bfd_reloc_overflow;
193
61ff1804 194 x = (insn & ~0xff) | (x & 0xff);
dc810e39 195 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
015551fc
JR
196
197 return bfd_reloc_ok;
198}
199
200/* This function is used for normal relocs. This used to be like the COFF
252b5132
RH
201 function, and is almost certainly incorrect for other ELF targets. */
202
203static bfd_reloc_status_type
09fd220b
KK
204sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
205 void *data, asection *input_section, bfd *output_bfd,
206 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
207{
208 unsigned long insn;
209 bfd_vma sym_value;
210 enum elf_sh_reloc_type r_type;
211 bfd_vma addr = reloc_entry->address;
212 bfd_byte *hit_data = addr + (bfd_byte *) data;
213
214 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
215
216 if (output_bfd != NULL)
217 {
218 /* Partial linking--do nothing. */
219 reloc_entry->address += input_section->output_offset;
220 return bfd_reloc_ok;
221 }
222
223 /* Almost all relocs have to do with relaxing. If any work must be
224 done for them, it has been done in sh_relax_section. */
015551fc 225 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
252b5132
RH
226 return bfd_reloc_ok;
227
228 if (symbol_in != NULL
229 && bfd_is_und_section (symbol_in->section))
230 return bfd_reloc_undefined;
231
232 if (bfd_is_com_section (symbol_in->section))
435b1e90
KH
233 sym_value = 0;
234 else
252b5132
RH
235 sym_value = (symbol_in->value +
236 symbol_in->section->output_section->vma +
237 symbol_in->section->output_offset);
238
239 switch (r_type)
240 {
241 case R_SH_DIR32:
242 insn = bfd_get_32 (abfd, hit_data);
243 insn += sym_value + reloc_entry->addend;
dc810e39 244 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
245 break;
246 case R_SH_IND12W:
247 insn = bfd_get_16 (abfd, hit_data);
248 sym_value += reloc_entry->addend;
249 sym_value -= (input_section->output_section->vma
250 + input_section->output_offset
251 + addr
252 + 4);
253 sym_value += (insn & 0xfff) << 1;
254 if (insn & 0x800)
255 sym_value -= 0x1000;
256 insn = (insn & 0xf000) | (sym_value & 0xfff);
dc810e39 257 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
252b5132
RH
258 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
259 return bfd_reloc_overflow;
260 break;
261 default:
262 abort ();
263 break;
264 }
265
266 return bfd_reloc_ok;
267}
268
269/* This function is used for relocs which are only used for relaxing,
270 which the linker should otherwise ignore. */
271
272static bfd_reloc_status_type
09fd220b
KK
273sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
274 asymbol *symbol ATTRIBUTE_UNUSED,
275 void *data ATTRIBUTE_UNUSED, asection *input_section,
276 bfd *output_bfd,
277 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
278{
279 if (output_bfd != NULL)
280 reloc_entry->address += input_section->output_offset;
281 return bfd_reloc_ok;
282}
283
284/* This structure is used to map BFD reloc codes to SH ELF relocs. */
285
38b1a46c
NC
286struct elf_reloc_map
287{
252b5132
RH
288 bfd_reloc_code_real_type bfd_reloc_val;
289 unsigned char elf_reloc_val;
290};
291
292/* An array mapping BFD reloc codes to SH ELF relocs. */
293
38b1a46c
NC
294static const struct elf_reloc_map sh_reloc_map[] =
295{
252b5132
RH
296 { BFD_RELOC_NONE, R_SH_NONE },
297 { BFD_RELOC_32, R_SH_DIR32 },
d38eb334
DD
298 { BFD_RELOC_16, R_SH_DIR16 },
299 { BFD_RELOC_8, R_SH_DIR8 },
252b5132
RH
300 { BFD_RELOC_CTOR, R_SH_DIR32 },
301 { BFD_RELOC_32_PCREL, R_SH_REL32 },
302 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
303 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
304 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
305 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
306 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
307 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
308 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
309 { BFD_RELOC_SH_USES, R_SH_USES },
310 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
311 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
312 { BFD_RELOC_SH_CODE, R_SH_CODE },
313 { BFD_RELOC_SH_DATA, R_SH_DATA },
314 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
315 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
316 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
015551fc
JR
317 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
318 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
3376eaf5
KK
319 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
320 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
321 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
322 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
323 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
324 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
325 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
326 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
37c644f2
AO
327 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
328 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
329 { BFD_RELOC_SH_COPY, R_SH_COPY },
330 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
331 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
332 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
333 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
334 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
fbca6ad9
AO
335 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
336#ifdef INCLUDE_SHMEDIA
337 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
338 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
339 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
340 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
341 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
342 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
343 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
344 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
345 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
346 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
347 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
348 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
349 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
350 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
351 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
352 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
353 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
354 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
355 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
356 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
357 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
358 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
359 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
360 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
361 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
362 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
363 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
364 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
365 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
366 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
367 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
368 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
369 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
370 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
371 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
372 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
373 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
374 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
375 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
376 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
377 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
378 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
379 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
380 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
381 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
382 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
383 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
384 { BFD_RELOC_64, R_SH_64 },
385 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
386#endif /* not INCLUDE_SHMEDIA */
252b5132
RH
387};
388
389/* Given a BFD reloc code, return the howto structure for the
55e6e397 390 corresponding SH ELF reloc. */
252b5132
RH
391
392static reloc_howto_type *
55e6e397 393sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
252b5132
RH
394{
395 unsigned int i;
396
397 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
398 {
399 if (sh_reloc_map[i].bfd_reloc_val == code)
55e6e397 400 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
252b5132
RH
401 }
402
403 return NULL;
404}
405
157090f7
AM
406static reloc_howto_type *
407sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
408{
409 unsigned int i;
410
411 if (vxworks_object_p (abfd))
412 {
413 for (i = 0;
414 i < (sizeof (sh_vxworks_howto_table)
415 / sizeof (sh_vxworks_howto_table[0]));
416 i++)
417 if (sh_vxworks_howto_table[i].name != NULL
418 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
419 return &sh_vxworks_howto_table[i];
420 }
421 else
422 {
423 for (i = 0;
424 i < (sizeof (sh_elf_howto_table)
425 / sizeof (sh_elf_howto_table[0]));
426 i++)
427 if (sh_elf_howto_table[i].name != NULL
428 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
429 return &sh_elf_howto_table[i];
430 }
431
432 return NULL;
433}
434
252b5132
RH
435/* Given an ELF reloc, fill in the howto field of a relent. */
436
437static void
55e6e397 438sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
252b5132
RH
439{
440 unsigned int r;
441
442 r = ELF32_R_TYPE (dst->r_info);
443
444 BFD_ASSERT (r < (unsigned int) R_SH_max);
445 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
06bb75c1 446 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
fbca6ad9
AO
447 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
448 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
3376eaf5 449 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
252b5132 450
55e6e397 451 cache_ptr->howto = get_howto_table (abfd) + r;
252b5132
RH
452}
453\f
454/* This function handles relaxing for SH ELF. See the corresponding
455 function in coff-sh.c for a description of what this does. FIXME:
456 There is a lot of duplication here between this code and the COFF
457 specific code. The format of relocs and symbols is wound deeply
458 into this code, but it would still be better if the duplication
459 could be eliminated somehow. Note in particular that although both
460 functions use symbols like R_SH_CODE, those symbols have different
461 values; in coff-sh.c they come from include/coff/sh.h, whereas here
462 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
463
b34976b6 464static bfd_boolean
09fd220b
KK
465sh_elf_relax_section (bfd *abfd, asection *sec,
466 struct bfd_link_info *link_info, bfd_boolean *again)
252b5132
RH
467{
468 Elf_Internal_Shdr *symtab_hdr;
469 Elf_Internal_Rela *internal_relocs;
b34976b6 470 bfd_boolean have_code;
252b5132
RH
471 Elf_Internal_Rela *irel, *irelend;
472 bfd_byte *contents = NULL;
6cdc0ccc 473 Elf_Internal_Sym *isymbuf = NULL;
252b5132 474
b34976b6 475 *again = FALSE;
252b5132 476
1049f94e 477 if (link_info->relocatable
252b5132
RH
478 || (sec->flags & SEC_RELOC) == 0
479 || sec->reloc_count == 0)
b34976b6 480 return TRUE;
252b5132 481
fbca6ad9
AO
482#ifdef INCLUDE_SHMEDIA
483 if (elf_section_data (sec)->this_hdr.sh_flags
484 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
485 {
b34976b6 486 return TRUE;
fbca6ad9
AO
487 }
488#endif
489
0ffa91dd 490 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 491
45d6a902 492 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 493 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
252b5132
RH
494 link_info->keep_memory));
495 if (internal_relocs == NULL)
496 goto error_return;
252b5132 497
b34976b6 498 have_code = FALSE;
252b5132
RH
499
500 irelend = internal_relocs + sec->reloc_count;
501 for (irel = internal_relocs; irel < irelend; irel++)
502 {
503 bfd_vma laddr, paddr, symval;
504 unsigned short insn;
505 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
506 bfd_signed_vma foff;
507
508 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
b34976b6 509 have_code = TRUE;
252b5132
RH
510
511 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
512 continue;
513
514 /* Get the section contents. */
515 if (contents == NULL)
516 {
517 if (elf_section_data (sec)->this_hdr.contents != NULL)
518 contents = elf_section_data (sec)->this_hdr.contents;
519 else
520 {
eea6121a 521 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
522 goto error_return;
523 }
524 }
525
526 /* The r_addend field of the R_SH_USES reloc will point us to
067653c5
AM
527 the register load. The 4 is because the r_addend field is
528 computed as though it were a jump offset, which are based
529 from 4 bytes after the jump instruction. */
252b5132 530 laddr = irel->r_offset + 4 + irel->r_addend;
eea6121a 531 if (laddr >= sec->size)
252b5132 532 {
d003868e
AM
533 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
534 abfd,
252b5132
RH
535 (unsigned long) irel->r_offset);
536 continue;
537 }
538 insn = bfd_get_16 (abfd, contents + laddr);
539
540 /* If the instruction is not mov.l NN,rN, we don't know what to
067653c5 541 do. */
252b5132
RH
542 if ((insn & 0xf000) != 0xd000)
543 {
544 ((*_bfd_error_handler)
d003868e
AM
545 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
546 abfd, (unsigned long) irel->r_offset, insn));
252b5132
RH
547 continue;
548 }
549
550 /* Get the address from which the register is being loaded. The
99e4ae17
AJ
551 displacement in the mov.l instruction is quadrupled. It is a
552 displacement from four bytes after the movl instruction, but,
553 before adding in the PC address, two least significant bits
554 of the PC are cleared. We assume that the section is aligned
555 on a four byte boundary. */
252b5132
RH
556 paddr = insn & 0xff;
557 paddr *= 4;
dc810e39 558 paddr += (laddr + 4) &~ (bfd_vma) 3;
eea6121a 559 if (paddr >= sec->size)
252b5132
RH
560 {
561 ((*_bfd_error_handler)
d003868e
AM
562 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
563 abfd, (unsigned long) irel->r_offset));
252b5132
RH
564 continue;
565 }
566
567 /* Get the reloc for the address from which the register is
067653c5
AM
568 being loaded. This reloc will tell us which function is
569 actually being called. */
252b5132
RH
570 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
571 if (irelfn->r_offset == paddr
572 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
573 break;
574 if (irelfn >= irelend)
575 {
576 ((*_bfd_error_handler)
d003868e
AM
577 (_("%B: 0x%lx: warning: could not find expected reloc"),
578 abfd, (unsigned long) paddr));
252b5132
RH
579 continue;
580 }
581
582 /* Read this BFD's symbols if we haven't done so already. */
6cdc0ccc 583 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
252b5132 584 {
6cdc0ccc
AM
585 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
586 if (isymbuf == NULL)
587 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
588 symtab_hdr->sh_info, 0,
589 NULL, NULL, NULL);
590 if (isymbuf == NULL)
591 goto error_return;
252b5132
RH
592 }
593
594 /* Get the value of the symbol referred to by the reloc. */
595 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
596 {
9ad5cbcf 597 /* A local symbol. */
6cdc0ccc 598 Elf_Internal_Sym *isym;
252b5132 599
6cdc0ccc
AM
600 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
601 if (isym->st_shndx
d426c6b0 602 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
252b5132
RH
603 {
604 ((*_bfd_error_handler)
d003868e
AM
605 (_("%B: 0x%lx: warning: symbol in unexpected section"),
606 abfd, (unsigned long) paddr));
252b5132
RH
607 continue;
608 }
609
6cdc0ccc 610 symval = (isym->st_value
252b5132
RH
611 + sec->output_section->vma
612 + sec->output_offset);
613 }
614 else
615 {
616 unsigned long indx;
617 struct elf_link_hash_entry *h;
618
619 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
620 h = elf_sym_hashes (abfd)[indx];
621 BFD_ASSERT (h != NULL);
622 if (h->root.type != bfd_link_hash_defined
623 && h->root.type != bfd_link_hash_defweak)
624 {
625 /* This appears to be a reference to an undefined
067653c5
AM
626 symbol. Just ignore it--it will be caught by the
627 regular reloc processing. */
252b5132
RH
628 continue;
629 }
630
631 symval = (h->root.u.def.value
632 + h->root.u.def.section->output_section->vma
633 + h->root.u.def.section->output_offset);
634 }
635
55e6e397
RS
636 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
637 symval += bfd_get_32 (abfd, contents + paddr);
638 else
639 symval += irelfn->r_addend;
252b5132
RH
640
641 /* See if this function call can be shortened. */
642 foff = (symval
643 - (irel->r_offset
644 + sec->output_section->vma
645 + sec->output_offset
646 + 4));
f725025b
DD
647 /* A branch to an address beyond ours might be increased by an
648 .align that doesn't move when bytes behind us are deleted.
649 So, we add some slop in this calculation to allow for
650 that. */
651 if (foff < -0x1000 || foff >= 0x1000 - 8)
252b5132
RH
652 {
653 /* After all that work, we can't shorten this function call. */
654 continue;
655 }
656
657 /* Shorten the function call. */
658
659 /* For simplicity of coding, we are going to modify the section
660 contents, the section relocs, and the BFD symbol table. We
661 must tell the rest of the code not to free up this
662 information. It would be possible to instead create a table
663 of changes which have to be made, as is done in coff-mips.c;
664 that would be more work, but would require less memory when
665 the linker is run. */
666
667 elf_section_data (sec)->relocs = internal_relocs;
252b5132 668 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 669 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
670
671 /* Replace the jsr with a bsr. */
672
673 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
067653c5 674 replace the jsr with a bsr. */
252b5132 675 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
bdfaef52
JR
676 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
677 here, but that only checks if the symbol is an external symbol,
678 not if the symbol is in a different section. Besides, we need
679 a consistent meaning for the relocation, so we just assume here that
680 the value of the symbol is not available. */
0e71e495
BE
681
682 /* We can't fully resolve this yet, because the external
683 symbol value may be changed by future relaxing. We let
684 the final link phase handle it. */
685 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
686
bdfaef52 687 irel->r_addend = -4;
252b5132 688
f725025b
DD
689 /* When we calculated the symbol "value" we had an offset in the
690 DIR32's word in memory (we read and add it above). However,
691 the jsr we create does NOT have this offset encoded, so we
692 have to add it to the addend to preserve it. */
693 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
694
252b5132 695 /* See if there is another R_SH_USES reloc referring to the same
067653c5 696 register load. */
252b5132
RH
697 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
698 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
699 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
700 break;
701 if (irelscan < irelend)
702 {
703 /* Some other function call depends upon this register load,
704 and we have not yet converted that function call.
705 Indeed, we may never be able to convert it. There is
706 nothing else we can do at this point. */
707 continue;
708 }
709
710 /* Look for a R_SH_COUNT reloc on the location where the
067653c5
AM
711 function address is stored. Do this before deleting any
712 bytes, to avoid confusion about the address. */
252b5132
RH
713 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
714 if (irelcount->r_offset == paddr
715 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
716 break;
717
718 /* Delete the register load. */
719 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
720 goto error_return;
721
722 /* That will change things, so, just in case it permits some
067653c5
AM
723 other function call to come within range, we should relax
724 again. Note that this is not required, and it may be slow. */
b34976b6 725 *again = TRUE;
252b5132
RH
726
727 /* Now check whether we got a COUNT reloc. */
728 if (irelcount >= irelend)
729 {
730 ((*_bfd_error_handler)
d003868e
AM
731 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
732 abfd, (unsigned long) paddr));
252b5132
RH
733 continue;
734 }
735
736 /* The number of uses is stored in the r_addend field. We've
067653c5 737 just deleted one. */
252b5132
RH
738 if (irelcount->r_addend == 0)
739 {
d003868e
AM
740 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
741 abfd,
252b5132
RH
742 (unsigned long) paddr));
743 continue;
744 }
745
746 --irelcount->r_addend;
747
748 /* If there are no more uses, we can delete the address. Reload
067653c5
AM
749 the address from irelfn, in case it was changed by the
750 previous call to sh_elf_relax_delete_bytes. */
252b5132
RH
751 if (irelcount->r_addend == 0)
752 {
753 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
754 goto error_return;
755 }
756
757 /* We've done all we can with that function call. */
758 }
759
760 /* Look for load and store instructions that we can align on four
761 byte boundaries. */
bdfaef52
JR
762 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
763 && have_code)
252b5132 764 {
b34976b6 765 bfd_boolean swapped;
252b5132
RH
766
767 /* Get the section contents. */
768 if (contents == NULL)
769 {
770 if (elf_section_data (sec)->this_hdr.contents != NULL)
771 contents = elf_section_data (sec)->this_hdr.contents;
772 else
773 {
eea6121a 774 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
252b5132
RH
775 goto error_return;
776 }
777 }
778
779 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
780 &swapped))
781 goto error_return;
782
783 if (swapped)
784 {
785 elf_section_data (sec)->relocs = internal_relocs;
252b5132 786 elf_section_data (sec)->this_hdr.contents = contents;
6cdc0ccc 787 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132
RH
788 }
789 }
790
6cdc0ccc
AM
791 if (isymbuf != NULL
792 && symtab_hdr->contents != (unsigned char *) isymbuf)
252b5132
RH
793 {
794 if (! link_info->keep_memory)
6cdc0ccc 795 free (isymbuf);
252b5132
RH
796 else
797 {
6cdc0ccc
AM
798 /* Cache the symbols for elf_link_input_bfd. */
799 symtab_hdr->contents = (unsigned char *) isymbuf;
252b5132 800 }
9ad5cbcf
AM
801 }
802
6cdc0ccc
AM
803 if (contents != NULL
804 && elf_section_data (sec)->this_hdr.contents != contents)
252b5132
RH
805 {
806 if (! link_info->keep_memory)
6cdc0ccc
AM
807 free (contents);
808 else
252b5132 809 {
6cdc0ccc
AM
810 /* Cache the section contents for elf_link_input_bfd. */
811 elf_section_data (sec)->this_hdr.contents = contents;
252b5132 812 }
252b5132
RH
813 }
814
6cdc0ccc
AM
815 if (internal_relocs != NULL
816 && elf_section_data (sec)->relocs != internal_relocs)
817 free (internal_relocs);
818
b34976b6 819 return TRUE;
252b5132
RH
820
821 error_return:
6cdc0ccc
AM
822 if (isymbuf != NULL
823 && symtab_hdr->contents != (unsigned char *) isymbuf)
824 free (isymbuf);
825 if (contents != NULL
826 && elf_section_data (sec)->this_hdr.contents != contents)
827 free (contents);
828 if (internal_relocs != NULL
829 && elf_section_data (sec)->relocs != internal_relocs)
830 free (internal_relocs);
9ad5cbcf 831
b34976b6 832 return FALSE;
252b5132
RH
833}
834
835/* Delete some bytes from a section while relaxing. FIXME: There is a
836 lot of duplication between this function and sh_relax_delete_bytes
837 in coff-sh.c. */
838
b34976b6 839static bfd_boolean
09fd220b
KK
840sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
841 int count)
252b5132
RH
842{
843 Elf_Internal_Shdr *symtab_hdr;
9ad5cbcf 844 unsigned int sec_shndx;
252b5132
RH
845 bfd_byte *contents;
846 Elf_Internal_Rela *irel, *irelend;
847 Elf_Internal_Rela *irelalign;
848 bfd_vma toaddr;
6cdc0ccc 849 Elf_Internal_Sym *isymbuf, *isym, *isymend;
9ad5cbcf
AM
850 struct elf_link_hash_entry **sym_hashes;
851 struct elf_link_hash_entry **end_hashes;
852 unsigned int symcount;
252b5132
RH
853 asection *o;
854
0ffa91dd 855 symtab_hdr = &elf_symtab_hdr (abfd);
6cdc0ccc 856 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
9ad5cbcf
AM
857
858 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
252b5132
RH
859
860 contents = elf_section_data (sec)->this_hdr.contents;
861
862 /* The deletion must stop at the next ALIGN reloc for an aligment
863 power larger than the number of bytes we are deleting. */
864
865 irelalign = NULL;
eea6121a 866 toaddr = sec->size;
252b5132
RH
867
868 irel = elf_section_data (sec)->relocs;
869 irelend = irel + sec->reloc_count;
870 for (; irel < irelend; irel++)
871 {
872 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
873 && irel->r_offset > addr
874 && count < (1 << irel->r_addend))
875 {
876 irelalign = irel;
877 toaddr = irel->r_offset;
878 break;
879 }
880 }
881
882 /* Actually delete the bytes. */
dc810e39
AM
883 memmove (contents + addr, contents + addr + count,
884 (size_t) (toaddr - addr - count));
252b5132 885 if (irelalign == NULL)
eea6121a 886 sec->size -= count;
252b5132
RH
887 else
888 {
889 int i;
890
891#define NOP_OPCODE (0x0009)
892
893 BFD_ASSERT ((count & 1) == 0);
894 for (i = 0; i < count; i += 2)
dc810e39 895 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
252b5132
RH
896 }
897
898 /* Adjust all the relocs. */
899 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
900 {
901 bfd_vma nraddr, stop;
902 bfd_vma start = 0;
903 int insn = 0;
252b5132
RH
904 int off, adjust, oinsn;
905 bfd_signed_vma voff = 0;
b34976b6 906 bfd_boolean overflow;
252b5132
RH
907
908 /* Get the new reloc address. */
909 nraddr = irel->r_offset;
910 if ((irel->r_offset > addr
911 && irel->r_offset < toaddr)
912 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
913 && irel->r_offset == toaddr))
914 nraddr -= count;
915
916 /* See if this reloc was for the bytes we have deleted, in which
917 case we no longer care about it. Don't delete relocs which
918 represent addresses, though. */
919 if (irel->r_offset >= addr
920 && irel->r_offset < addr + count
921 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
922 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
923 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
924 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
925 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
926 (int) R_SH_NONE);
927
928 /* If this is a PC relative reloc, see if the range it covers
067653c5 929 includes the bytes we have deleted. */
252b5132
RH
930 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
931 {
932 default:
933 break;
934
935 case R_SH_DIR8WPN:
936 case R_SH_IND12W:
937 case R_SH_DIR8WPZ:
938 case R_SH_DIR8WPL:
939 start = irel->r_offset;
940 insn = bfd_get_16 (abfd, contents + nraddr);
941 break;
942 }
943
944 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
945 {
946 default:
947 start = stop = addr;
948 break;
949
950 case R_SH_DIR32:
951 /* If this reloc is against a symbol defined in this
067653c5
AM
952 section, and the symbol will not be adjusted below, we
953 must check the addend to see it will put the value in
954 range to be adjusted, and hence must be changed. */
252b5132
RH
955 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
956 {
6cdc0ccc
AM
957 isym = isymbuf + ELF32_R_SYM (irel->r_info);
958 if (isym->st_shndx == sec_shndx
959 && (isym->st_value <= addr
960 || isym->st_value >= toaddr))
252b5132
RH
961 {
962 bfd_vma val;
963
55e6e397
RS
964 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
965 {
966 val = bfd_get_32 (abfd, contents + nraddr);
967 val += isym->st_value;
968 if (val > addr && val < toaddr)
969 bfd_put_32 (abfd, val - count, contents + nraddr);
970 }
971 else
972 {
973 val = isym->st_value + irel->r_addend;
974 if (val > addr && val < toaddr)
975 irel->r_addend -= count;
976 }
252b5132
RH
977 }
978 }
979 start = stop = addr;
980 break;
981
982 case R_SH_DIR8WPN:
983 off = insn & 0xff;
984 if (off & 0x80)
985 off -= 0x100;
986 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
987 break;
988
989 case R_SH_IND12W:
bdfaef52
JR
990 off = insn & 0xfff;
991 if (! off)
992 {
993 /* This has been made by previous relaxation. Since the
994 relocation will be against an external symbol, the
995 final relocation will just do the right thing. */
996 start = stop = addr;
997 }
252b5132
RH
998 else
999 {
252b5132
RH
1000 if (off & 0x800)
1001 off -= 0x1000;
1002 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
bdfaef52
JR
1003
1004 /* The addend will be against the section symbol, thus
1005 for adjusting the addend, the relevant start is the
1006 start of the section.
4cc11e76 1007 N.B. If we want to abandon in-place changes here and
bdfaef52
JR
1008 test directly using symbol + addend, we have to take into
1009 account that the addend has already been adjusted by -4. */
1010 if (stop > addr && stop < toaddr)
1011 irel->r_addend -= count;
252b5132
RH
1012 }
1013 break;
1014
1015 case R_SH_DIR8WPZ:
1016 off = insn & 0xff;
1017 stop = start + 4 + off * 2;
1018 break;
1019
1020 case R_SH_DIR8WPL:
1021 off = insn & 0xff;
435b1e90 1022 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
252b5132
RH
1023 break;
1024
1025 case R_SH_SWITCH8:
1026 case R_SH_SWITCH16:
1027 case R_SH_SWITCH32:
1028 /* These relocs types represent
1029 .word L2-L1
06e1ba78 1030 The r_addend field holds the difference between the reloc
252b5132
RH
1031 address and L1. That is the start of the reloc, and
1032 adding in the contents gives us the top. We must adjust
06e1ba78
JR
1033 both the r_offset field and the section contents.
1034 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1035 and the elf bfd r_offset is called r_vaddr. */
252b5132 1036
06e1ba78
JR
1037 stop = irel->r_offset;
1038 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
252b5132
RH
1039
1040 if (start > addr
1041 && start < toaddr
1042 && (stop <= addr || stop >= toaddr))
1043 irel->r_addend += count;
1044 else if (stop > addr
1045 && stop < toaddr
1046 && (start <= addr || start >= toaddr))
1047 irel->r_addend -= count;
1048
252b5132
RH
1049 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1050 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1051 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1052 voff = bfd_get_8 (abfd, contents + nraddr);
1053 else
1054 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1055 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1056
1057 break;
1058
1059 case R_SH_USES:
1060 start = irel->r_offset;
1061 stop = (bfd_vma) ((bfd_signed_vma) start
1062 + (long) irel->r_addend
1063 + 4);
1064 break;
1065 }
1066
1067 if (start > addr
1068 && start < toaddr
1069 && (stop <= addr || stop >= toaddr))
1070 adjust = count;
1071 else if (stop > addr
1072 && stop < toaddr
1073 && (start <= addr || start >= toaddr))
1074 adjust = - count;
1075 else
1076 adjust = 0;
1077
1078 if (adjust != 0)
1079 {
1080 oinsn = insn;
b34976b6 1081 overflow = FALSE;
252b5132
RH
1082 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1083 {
1084 default:
1085 abort ();
1086 break;
1087
1088 case R_SH_DIR8WPN:
1089 case R_SH_DIR8WPZ:
1090 insn += adjust / 2;
1091 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1092 overflow = TRUE;
dc810e39 1093 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1094 break;
1095
1096 case R_SH_IND12W:
1097 insn += adjust / 2;
1098 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1099 overflow = TRUE;
dc810e39 1100 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1101 break;
1102
1103 case R_SH_DIR8WPL:
1104 BFD_ASSERT (adjust == count || count >= 4);
1105 if (count >= 4)
1106 insn += adjust / 4;
1107 else
1108 {
1109 if ((irel->r_offset & 3) == 0)
1110 ++insn;
1111 }
1112 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1113 overflow = TRUE;
dc810e39 1114 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
252b5132
RH
1115 break;
1116
851cde10
JR
1117 case R_SH_SWITCH8:
1118 voff += adjust;
1119 if (voff < 0 || voff >= 0xff)
b34976b6 1120 overflow = TRUE;
851cde10
JR
1121 bfd_put_8 (abfd, voff, contents + nraddr);
1122 break;
1123
252b5132
RH
1124 case R_SH_SWITCH16:
1125 voff += adjust;
1126 if (voff < - 0x8000 || voff >= 0x8000)
b34976b6 1127 overflow = TRUE;
dc810e39 1128 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1129 break;
1130
1131 case R_SH_SWITCH32:
1132 voff += adjust;
dc810e39 1133 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
252b5132
RH
1134 break;
1135
1136 case R_SH_USES:
1137 irel->r_addend += adjust;
1138 break;
1139 }
1140
1141 if (overflow)
1142 {
1143 ((*_bfd_error_handler)
d003868e
AM
1144 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1145 abfd, (unsigned long) irel->r_offset));
252b5132 1146 bfd_set_error (bfd_error_bad_value);
b34976b6 1147 return FALSE;
252b5132
RH
1148 }
1149 }
1150
1151 irel->r_offset = nraddr;
1152 }
1153
1154 /* Look through all the other sections. If there contain any IMM32
1155 relocs against internal symbols which we are not going to adjust
1156 below, we may need to adjust the addends. */
1157 for (o = abfd->sections; o != NULL; o = o->next)
1158 {
1159 Elf_Internal_Rela *internal_relocs;
1160 Elf_Internal_Rela *irelscan, *irelscanend;
1161 bfd_byte *ocontents;
1162
1163 if (o == sec
1164 || (o->flags & SEC_RELOC) == 0
1165 || o->reloc_count == 0)
1166 continue;
1167
1168 /* We always cache the relocs. Perhaps, if info->keep_memory is
b34976b6 1169 FALSE, we should free them, if we are permitted to, when we
067653c5 1170 leave sh_coff_relax_section. */
45d6a902 1171 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 1172 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
252b5132 1173 if (internal_relocs == NULL)
b34976b6 1174 return FALSE;
252b5132
RH
1175
1176 ocontents = NULL;
1177 irelscanend = internal_relocs + o->reloc_count;
1178 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1179 {
084aa3aa
JR
1180 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1181 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1182 {
1183 bfd_vma start, stop;
1184 bfd_signed_vma voff;
1185
1186 if (ocontents == NULL)
1187 {
1188 if (elf_section_data (o)->this_hdr.contents != NULL)
1189 ocontents = elf_section_data (o)->this_hdr.contents;
1190 else
1191 {
1192 /* We always cache the section contents.
b34976b6 1193 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1194 should free them, if we are permitted to,
1195 when we leave sh_coff_relax_section. */
eea6121a
AM
1196 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1197 {
1198 if (ocontents != NULL)
1199 free (ocontents);
1200 return FALSE;
1201 }
1202
084aa3aa
JR
1203 elf_section_data (o)->this_hdr.contents = ocontents;
1204 }
1205 }
1206
1207 stop = irelscan->r_offset;
1208 start
1209 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1210
1211 /* STOP is in a different section, so it won't change. */
1212 if (start > addr && start < toaddr)
1213 irelscan->r_addend += count;
1214
1215 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1216 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1217
1218 if (start > addr
1219 && start < toaddr
1220 && (stop <= addr || stop >= toaddr))
dc810e39 1221 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
084aa3aa
JR
1222 ocontents + irelscan->r_offset);
1223 else if (stop > addr
1224 && stop < toaddr
1225 && (start <= addr || start >= toaddr))
dc810e39 1226 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
084aa3aa
JR
1227 ocontents + irelscan->r_offset);
1228 }
1229
252b5132
RH
1230 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1231 continue;
1232
1233 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1234 continue;
1235
252b5132 1236
6cdc0ccc
AM
1237 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1238 if (isym->st_shndx == sec_shndx
1239 && (isym->st_value <= addr
1240 || isym->st_value >= toaddr))
252b5132
RH
1241 {
1242 bfd_vma val;
1243
1244 if (ocontents == NULL)
1245 {
1246 if (elf_section_data (o)->this_hdr.contents != NULL)
1247 ocontents = elf_section_data (o)->this_hdr.contents;
1248 else
1249 {
1250 /* We always cache the section contents.
b34976b6 1251 Perhaps, if info->keep_memory is FALSE, we
067653c5
AM
1252 should free them, if we are permitted to,
1253 when we leave sh_coff_relax_section. */
eea6121a
AM
1254 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1255 {
1256 if (ocontents != NULL)
1257 free (ocontents);
1258 return FALSE;
1259 }
1260
252b5132
RH
1261 elf_section_data (o)->this_hdr.contents = ocontents;
1262 }
1263 }
1264
1265 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
6cdc0ccc 1266 val += isym->st_value;
252b5132
RH
1267 if (val > addr && val < toaddr)
1268 bfd_put_32 (abfd, val - count,
1269 ocontents + irelscan->r_offset);
1270 }
1271 }
1272 }
1273
1274 /* Adjust the local symbols defined in this section. */
6cdc0ccc
AM
1275 isymend = isymbuf + symtab_hdr->sh_info;
1276 for (isym = isymbuf; isym < isymend; isym++)
252b5132 1277 {
6cdc0ccc
AM
1278 if (isym->st_shndx == sec_shndx
1279 && isym->st_value > addr
1280 && isym->st_value < toaddr)
1281 isym->st_value -= count;
252b5132
RH
1282 }
1283
1284 /* Now adjust the global symbols defined in this section. */
9ad5cbcf
AM
1285 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1286 - symtab_hdr->sh_info);
1287 sym_hashes = elf_sym_hashes (abfd);
1288 end_hashes = sym_hashes + symcount;
1289 for (; sym_hashes < end_hashes; sym_hashes++)
252b5132 1290 {
9ad5cbcf
AM
1291 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1292 if ((sym_hash->root.type == bfd_link_hash_defined
1293 || sym_hash->root.type == bfd_link_hash_defweak)
1294 && sym_hash->root.u.def.section == sec
1295 && sym_hash->root.u.def.value > addr
1296 && sym_hash->root.u.def.value < toaddr)
252b5132 1297 {
9ad5cbcf 1298 sym_hash->root.u.def.value -= count;
252b5132
RH
1299 }
1300 }
1301
1302 /* See if we can move the ALIGN reloc forward. We have adjusted
1303 r_offset for it already. */
1304 if (irelalign != NULL)
1305 {
1306 bfd_vma alignto, alignaddr;
1307
1308 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1309 alignaddr = BFD_ALIGN (irelalign->r_offset,
1310 1 << irelalign->r_addend);
1311 if (alignto != alignaddr)
1312 {
1313 /* Tail recursion. */
1314 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
dc810e39 1315 (int) (alignto - alignaddr));
252b5132
RH
1316 }
1317 }
1318
b34976b6 1319 return TRUE;
252b5132
RH
1320}
1321
1322/* Look for loads and stores which we can align to four byte
1323 boundaries. This is like sh_align_loads in coff-sh.c. */
1324
b34976b6 1325static bfd_boolean
09fd220b
KK
1326sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1327 Elf_Internal_Rela *internal_relocs,
1328 bfd_byte *contents ATTRIBUTE_UNUSED,
1329 bfd_boolean *pswapped)
252b5132
RH
1330{
1331 Elf_Internal_Rela *irel, *irelend;
1332 bfd_vma *labels = NULL;
1333 bfd_vma *label, *label_end;
dc810e39 1334 bfd_size_type amt;
252b5132 1335
b34976b6 1336 *pswapped = FALSE;
252b5132
RH
1337
1338 irelend = internal_relocs + sec->reloc_count;
1339
1340 /* Get all the addresses with labels on them. */
dc810e39
AM
1341 amt = sec->reloc_count;
1342 amt *= sizeof (bfd_vma);
1343 labels = (bfd_vma *) bfd_malloc (amt);
252b5132
RH
1344 if (labels == NULL)
1345 goto error_return;
1346 label_end = labels;
1347 for (irel = internal_relocs; irel < irelend; irel++)
1348 {
1349 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1350 {
1351 *label_end = irel->r_offset;
1352 ++label_end;
1353 }
1354 }
1355
1356 /* Note that the assembler currently always outputs relocs in
1357 address order. If that ever changes, this code will need to sort
1358 the label values and the relocs. */
1359
1360 label = labels;
1361
1362 for (irel = internal_relocs; irel < irelend; irel++)
1363 {
1364 bfd_vma start, stop;
1365
1366 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1367 continue;
1368
1369 start = irel->r_offset;
1370
1371 for (irel++; irel < irelend; irel++)
1372 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1373 break;
1374 if (irel < irelend)
1375 stop = irel->r_offset;
1376 else
eea6121a 1377 stop = sec->size;
252b5132
RH
1378
1379 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
09fd220b 1380 internal_relocs, &label,
252b5132
RH
1381 label_end, start, stop, pswapped))
1382 goto error_return;
1383 }
1384
1385 free (labels);
1386
b34976b6 1387 return TRUE;
252b5132
RH
1388
1389 error_return:
1390 if (labels != NULL)
1391 free (labels);
b34976b6 1392 return FALSE;
252b5132
RH
1393}
1394
85fbca6a 1395#ifndef SH64_ELF
252b5132
RH
1396/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1397
b34976b6 1398static bfd_boolean
09fd220b
KK
1399sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1400 bfd_byte *contents, bfd_vma addr)
252b5132
RH
1401{
1402 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1403 unsigned short i1, i2;
1404 Elf_Internal_Rela *irel, *irelend;
1405
1406 /* Swap the instructions themselves. */
1407 i1 = bfd_get_16 (abfd, contents + addr);
1408 i2 = bfd_get_16 (abfd, contents + addr + 2);
dc810e39
AM
1409 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1410 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
252b5132
RH
1411
1412 /* Adjust all reloc addresses. */
1413 irelend = internal_relocs + sec->reloc_count;
1414 for (irel = internal_relocs; irel < irelend; irel++)
1415 {
1416 enum elf_sh_reloc_type type;
1417 int add;
1418
1419 /* There are a few special types of relocs that we don't want to
067653c5
AM
1420 adjust. These relocs do not apply to the instruction itself,
1421 but are only associated with the address. */
252b5132
RH
1422 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1423 if (type == R_SH_ALIGN
1424 || type == R_SH_CODE
1425 || type == R_SH_DATA
1426 || type == R_SH_LABEL)
1427 continue;
1428
1429 /* If an R_SH_USES reloc points to one of the addresses being
067653c5
AM
1430 swapped, we must adjust it. It would be incorrect to do this
1431 for a jump, though, since we want to execute both
1432 instructions after the jump. (We have avoided swapping
1433 around a label, so the jump will not wind up executing an
1434 instruction it shouldn't). */
252b5132
RH
1435 if (type == R_SH_USES)
1436 {
1437 bfd_vma off;
1438
1439 off = irel->r_offset + 4 + irel->r_addend;
1440 if (off == addr)
1441 irel->r_offset += 2;
1442 else if (off == addr + 2)
1443 irel->r_offset -= 2;
1444 }
1445
1446 if (irel->r_offset == addr)
1447 {
1448 irel->r_offset += 2;
1449 add = -2;
1450 }
1451 else if (irel->r_offset == addr + 2)
1452 {
1453 irel->r_offset -= 2;
1454 add = 2;
1455 }
1456 else
1457 add = 0;
1458
1459 if (add != 0)
1460 {
1461 bfd_byte *loc;
1462 unsigned short insn, oinsn;
b34976b6 1463 bfd_boolean overflow;
252b5132
RH
1464
1465 loc = contents + irel->r_offset;
b34976b6 1466 overflow = FALSE;
252b5132
RH
1467 switch (type)
1468 {
1469 default:
1470 break;
1471
1472 case R_SH_DIR8WPN:
1473 case R_SH_DIR8WPZ:
1474 insn = bfd_get_16 (abfd, loc);
1475 oinsn = insn;
1476 insn += add / 2;
1477 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1478 overflow = TRUE;
dc810e39 1479 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1480 break;
1481
1482 case R_SH_IND12W:
1483 insn = bfd_get_16 (abfd, loc);
1484 oinsn = insn;
1485 insn += add / 2;
1486 if ((oinsn & 0xf000) != (insn & 0xf000))
b34976b6 1487 overflow = TRUE;
dc810e39 1488 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1489 break;
1490
1491 case R_SH_DIR8WPL:
1492 /* This reloc ignores the least significant 3 bits of
067653c5
AM
1493 the program counter before adding in the offset.
1494 This means that if ADDR is at an even address, the
1495 swap will not affect the offset. If ADDR is an at an
1496 odd address, then the instruction will be crossing a
1497 four byte boundary, and must be adjusted. */
252b5132
RH
1498 if ((addr & 3) != 0)
1499 {
1500 insn = bfd_get_16 (abfd, loc);
1501 oinsn = insn;
1502 insn += add / 2;
1503 if ((oinsn & 0xff00) != (insn & 0xff00))
b34976b6 1504 overflow = TRUE;
dc810e39 1505 bfd_put_16 (abfd, (bfd_vma) insn, loc);
252b5132
RH
1506 }
1507
1508 break;
1509 }
1510
1511 if (overflow)
1512 {
1513 ((*_bfd_error_handler)
d003868e
AM
1514 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1515 abfd, (unsigned long) irel->r_offset));
252b5132 1516 bfd_set_error (bfd_error_bad_value);
b34976b6 1517 return FALSE;
252b5132
RH
1518 }
1519 }
1520 }
1521
b34976b6 1522 return TRUE;
252b5132 1523}
85fbca6a 1524#endif /* defined SH64_ELF */
252b5132 1525\f
55e6e397
RS
1526/* Describes one of the various PLT styles. */
1527
1528struct elf_sh_plt_info
1529{
1530 /* The template for the first PLT entry, or NULL if there is no special
1531 first entry. */
1532 const bfd_byte *plt0_entry;
1533
1534 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1535 bfd_vma plt0_entry_size;
1536
1537 /* Index I is the offset into PLT0_ENTRY of a pointer to
1538 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1539 if there is no such pointer. */
1540 bfd_vma plt0_got_fields[3];
1541
1542 /* The template for a symbol's PLT entry. */
1543 const bfd_byte *symbol_entry;
1544
1545 /* The size of SYMBOL_ENTRY in bytes. */
1546 bfd_vma symbol_entry_size;
1547
1548 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1549 on all targets. The comments by each member indicate the value
1550 that the field must hold. */
1551 struct {
1552 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1553 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1554 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
1555 } symbol_fields;
1556
1557 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1558 bfd_vma symbol_resolve_offset;
1559};
1560
fbca6ad9
AO
1561#ifdef INCLUDE_SHMEDIA
1562
1563/* The size in bytes of an entry in the procedure linkage table. */
1564
55e6e397 1565#define ELF_PLT_ENTRY_SIZE 64
fbca6ad9
AO
1566
1567/* First entry in an absolute procedure linkage table look like this. */
1568
55e6e397 1569static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1570{
1571 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1572 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1573 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
c8614e8e 1574 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
fbca6ad9
AO
1575 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1576 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1577 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1578 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1579 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1580 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1581 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1582 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1583 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1584 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1585 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1586 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1587};
1588
55e6e397 1589static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1590{
1591 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1592 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1593 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
c8614e8e 1594 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
fbca6ad9
AO
1595 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1596 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1597 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1598 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1599 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1600 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1601 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1602 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1603 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1604 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1605 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1606 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1607};
1608
1609/* Sebsequent entries in an absolute procedure linkage table look like
1610 this. */
1611
55e6e397 1612static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1613{
1614 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1615 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1616 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1617 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1618 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1619 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1620 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1621 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1622 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1623 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1624 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1625 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1626 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1627 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1628 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1629 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1630};
1631
55e6e397 1632static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1633{
1634 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1635 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1636 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1637 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1638 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1639 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1640 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1641 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1642 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1643 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1644 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1645 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1646 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1647 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1648 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1649 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1650};
1651
1652/* Entries in a PIC procedure linkage table look like this. */
1653
55e6e397 1654static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1655{
1656 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1657 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1658 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1659 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1660 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1661 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1662 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1663 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1664 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1665 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
fbca6ad9
AO
1666 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1667 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1668 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1669 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1670 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1671 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1672};
1673
55e6e397 1674static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
fbca6ad9
AO
1675{
1676 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1677 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1678 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1679 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1680 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1681 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1682 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1683 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1684 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
0a4ef3f4 1685 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
fbca6ad9
AO
1686 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1687 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1688 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1689 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1690 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1691 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1692};
1693
55e6e397
RS
1694static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1695 {
1696 {
1697 /* Big-endian non-PIC. */
1698 elf_sh_plt0_entry_be,
1699 ELF_PLT_ENTRY_SIZE,
1700 { 0, MINUS_ONE, MINUS_ONE },
1701 elf_sh_plt_entry_be,
1702 ELF_PLT_ENTRY_SIZE,
1703 { 0, 32, 48 },
1704 33 /* includes ISA encoding */
1705 },
1706 {
1707 /* Little-endian non-PIC. */
1708 elf_sh_plt0_entry_le,
1709 ELF_PLT_ENTRY_SIZE,
1710 { 0, MINUS_ONE, MINUS_ONE },
1711 elf_sh_plt_entry_le,
1712 ELF_PLT_ENTRY_SIZE,
1713 { 0, 32, 48 },
1714 33 /* includes ISA encoding */
1715 },
1716 },
1717 {
1718 {
1719 /* Big-endian PIC. */
1720 elf_sh_plt0_entry_be,
1721 ELF_PLT_ENTRY_SIZE,
1722 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1723 elf_sh_pic_plt_entry_be,
1724 ELF_PLT_ENTRY_SIZE,
1725 { 0, MINUS_ONE, 52 },
1726 33 /* includes ISA encoding */
1727 },
1728 {
1729 /* Little-endian PIC. */
1730 elf_sh_plt0_entry_le,
1731 ELF_PLT_ENTRY_SIZE,
1732 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1733 elf_sh_pic_plt_entry_le,
1734 ELF_PLT_ENTRY_SIZE,
1735 { 0, MINUS_ONE, 52 },
1736 33 /* includes ISA encoding */
1737 },
1738 }
1739};
fbca6ad9
AO
1740
1741/* Return offset of the linker in PLT0 entry. */
1742#define elf_sh_plt0_gotplt_offset(info) 0
1743
55e6e397
RS
1744/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1745 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1746 not data.
fbca6ad9 1747
55e6e397 1748 On SH64, each 32-bit field is loaded by a movi/shori pair. */
fbca6ad9
AO
1749
1750inline static void
55e6e397
RS
1751install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1752 unsigned long value, bfd_byte *addr)
fbca6ad9 1753{
55e6e397 1754 value |= code_p;
fbca6ad9
AO
1755 bfd_put_32 (output_bfd,
1756 bfd_get_32 (output_bfd, addr)
1757 | ((value >> 6) & 0x3fffc00),
1758 addr);
1759 bfd_put_32 (output_bfd,
1760 bfd_get_32 (output_bfd, addr + 4)
1761 | ((value << 10) & 0x3fffc00),
1762 addr + 4);
1763}
1764
55e6e397
RS
1765/* Return the type of PLT associated with ABFD. PIC_P is true if
1766 the object is position-independent. */
1767
1768static const struct elf_sh_plt_info *
1769get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1770{
1771 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1772}
fbca6ad9 1773#else
37c644f2 1774/* The size in bytes of an entry in the procedure linkage table. */
252b5132 1775
55e6e397 1776#define ELF_PLT_ENTRY_SIZE 28
37c644f2
AO
1777
1778/* First entry in an absolute procedure linkage table look like this. */
1779
6c426cf3 1780/* Note - this code has been "optimised" not to use r2. r2 is used by
4cc11e76 1781 GCC to return the address of large structures, so it should not be
6c426cf3
NC
1782 corrupted here. This does mean however, that this PLT does not conform
1783 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1784 and r2 contains the GOT id. This version stores the GOT id in r0 and
1785 ignores the type. Loaders can easily detect this difference however,
1786 since the type will always be 0 or 8, and the GOT ids will always be
1787 greater than or equal to 12. */
55e6e397 1788static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1789{
1790 0xd0, 0x05, /* mov.l 2f,r0 */
1791 0x60, 0x02, /* mov.l @r0,r0 */
1792 0x2f, 0x06, /* mov.l r0,@-r15 */
1793 0xd0, 0x03, /* mov.l 1f,r0 */
1794 0x60, 0x02, /* mov.l @r0,r0 */
1795 0x40, 0x2b, /* jmp @r0 */
1796 0x60, 0xf6, /* mov.l @r15+,r0 */
1797 0x00, 0x09, /* nop */
1798 0x00, 0x09, /* nop */
1799 0x00, 0x09, /* nop */
1800 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1801 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1802};
1803
55e6e397 1804static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1805{
1806 0x05, 0xd0, /* mov.l 2f,r0 */
1807 0x02, 0x60, /* mov.l @r0,r0 */
1808 0x06, 0x2f, /* mov.l r0,@-r15 */
1809 0x03, 0xd0, /* mov.l 1f,r0 */
1810 0x02, 0x60, /* mov.l @r0,r0 */
1811 0x2b, 0x40, /* jmp @r0 */
1812 0xf6, 0x60, /* mov.l @r15+,r0 */
1813 0x09, 0x00, /* nop */
1814 0x09, 0x00, /* nop */
1815 0x09, 0x00, /* nop */
1816 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1817 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1818};
1819
1820/* Sebsequent entries in an absolute procedure linkage table look like
1821 this. */
1822
55e6e397 1823static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1824{
1825 0xd0, 0x04, /* mov.l 1f,r0 */
55e6e397 1826 0x60, 0x02, /* mov.l @(r0,r12),r0 */
6c426cf3
NC
1827 0xd1, 0x02, /* mov.l 0f,r1 */
1828 0x40, 0x2b, /* jmp @r0 */
1829 0x60, 0x13, /* mov r1,r0 */
1830 0xd1, 0x03, /* mov.l 2f,r1 */
1831 0x40, 0x2b, /* jmp @r0 */
1832 0x00, 0x09, /* nop */
1833 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1834 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1835 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1836};
1837
55e6e397 1838static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1839{
1840 0x04, 0xd0, /* mov.l 1f,r0 */
1841 0x02, 0x60, /* mov.l @r0,r0 */
1842 0x02, 0xd1, /* mov.l 0f,r1 */
1843 0x2b, 0x40, /* jmp @r0 */
1844 0x13, 0x60, /* mov r1,r0 */
1845 0x03, 0xd1, /* mov.l 2f,r1 */
1846 0x2b, 0x40, /* jmp @r0 */
1847 0x09, 0x00, /* nop */
1848 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1849 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1850 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1851};
1852
1853/* Entries in a PIC procedure linkage table look like this. */
1854
55e6e397 1855static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1856{
1857 0xd0, 0x04, /* mov.l 1f,r0 */
1858 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1859 0x40, 0x2b, /* jmp @r0 */
1860 0x00, 0x09, /* nop */
1861 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1862 0xd1, 0x03, /* mov.l 2f,r1 */
1863 0x40, 0x2b, /* jmp @r0 */
1864 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1865 0x00, 0x09, /* nop */
1866 0x00, 0x09, /* nop */
1867 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1868 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1869};
1870
55e6e397 1871static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
6c426cf3
NC
1872{
1873 0x04, 0xd0, /* mov.l 1f,r0 */
1874 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1875 0x2b, 0x40, /* jmp @r0 */
1876 0x09, 0x00, /* nop */
1877 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1878 0x03, 0xd1, /* mov.l 2f,r1 */
1879 0x2b, 0x40, /* jmp @r0 */
1880 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1881 0x09, 0x00, /* nop */
1882 0x09, 0x00, /* nop */
1883 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1884 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1885};
1886
55e6e397
RS
1887static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1888 {
1889 {
1890 /* Big-endian non-PIC. */
1891 elf_sh_plt0_entry_be,
1892 ELF_PLT_ENTRY_SIZE,
1893 { MINUS_ONE, 24, 20 },
1894 elf_sh_plt_entry_be,
1895 ELF_PLT_ENTRY_SIZE,
1896 { 20, 16, 24 },
1897 8
1898 },
1899 {
1900 /* Little-endian non-PIC. */
1901 elf_sh_plt0_entry_le,
1902 ELF_PLT_ENTRY_SIZE,
1903 { MINUS_ONE, 24, 20 },
1904 elf_sh_plt_entry_le,
1905 ELF_PLT_ENTRY_SIZE,
1906 { 20, 16, 24 },
1907 8
1908 },
1909 },
1910 {
1911 {
1912 /* Big-endian PIC. */
1913 elf_sh_plt0_entry_be,
1914 ELF_PLT_ENTRY_SIZE,
1915 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1916 elf_sh_pic_plt_entry_be,
1917 ELF_PLT_ENTRY_SIZE,
1918 { 20, MINUS_ONE, 24 },
1919 8
1920 },
1921 {
1922 /* Little-endian PIC. */
1923 elf_sh_plt0_entry_le,
1924 ELF_PLT_ENTRY_SIZE,
1925 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1926 elf_sh_pic_plt_entry_le,
1927 ELF_PLT_ENTRY_SIZE,
1928 { 20, MINUS_ONE, 24 },
1929 8
1930 },
1931 }
1932};
252b5132 1933
55e6e397
RS
1934#define VXWORKS_PLT_HEADER_SIZE 12
1935#define VXWORKS_PLT_ENTRY_SIZE 24
252b5132 1936
55e6e397
RS
1937static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1938{
1939 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1940 0x61, 0x12, /* mov.l @r1,r1 */
1941 0x41, 0x2b, /* jmp @r1 */
1942 0x00, 0x09, /* nop */
1943 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1944};
252b5132 1945
55e6e397
RS
1946static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1947{
1948 0x01, 0xd1, /* mov.l @(8,pc),r1 */
1949 0x12, 0x61, /* mov.l @r1,r1 */
1950 0x2b, 0x41, /* jmp @r1 */
1951 0x09, 0x00, /* nop */
1952 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1953};
1954
1955static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1956{
1957 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1958 0x60, 0x02, /* mov.l @r0,r0 */
1959 0x40, 0x2b, /* jmp @r0 */
1960 0x00, 0x09, /* nop */
1961 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1962 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1963 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
1964 0x00, 0x09, /* nop */
1965 0x00, 0x09, /* nop */
1966 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1967};
1968
1969static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1970{
1971 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1972 0x02, 0x60, /* mov.l @r0,r0 */
1973 0x2b, 0x40, /* jmp @r0 */
1974 0x09, 0x00, /* nop */
1975 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1976 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1977 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
1978 0x09, 0x00, /* nop */
1979 0x09, 0x00, /* nop */
1980 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1981};
1982
1983static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1984{
1985 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1986 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1987 0x40, 0x2b, /* jmp @r0 */
1988 0x00, 0x09, /* nop */
1989 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
1990 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1991 0x51, 0xc2, /* mov.l @(8,r12),r1 */
1992 0x41, 0x2b, /* jmp @r1 */
1993 0x00, 0x09, /* nop */
1994 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1995};
1996
1997static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1998{
1999 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2000 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2001 0x2b, 0x40, /* jmp @r0 */
2002 0x09, 0x00, /* nop */
2003 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2004 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2005 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2006 0x2b, 0x41, /* jmp @r1 */
2007 0x09, 0x00, /* nop */
2008 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2009};
2010
2011static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2012 {
2013 {
2014 /* Big-endian non-PIC. */
2015 vxworks_sh_plt0_entry_be,
2016 VXWORKS_PLT_HEADER_SIZE,
2017 { MINUS_ONE, MINUS_ONE, 8 },
2018 vxworks_sh_plt_entry_be,
2019 VXWORKS_PLT_ENTRY_SIZE,
2020 { 8, 14, 20 },
2021 12
2022 },
2023 {
2024 /* Little-endian non-PIC. */
2025 vxworks_sh_plt0_entry_le,
2026 VXWORKS_PLT_HEADER_SIZE,
2027 { MINUS_ONE, MINUS_ONE, 8 },
2028 vxworks_sh_plt_entry_le,
2029 VXWORKS_PLT_ENTRY_SIZE,
2030 { 8, 14, 20 },
2031 12
2032 },
2033 },
2034 {
2035 {
2036 /* Big-endian PIC. */
2037 NULL,
2038 0,
2039 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2040 vxworks_sh_pic_plt_entry_be,
2041 VXWORKS_PLT_ENTRY_SIZE,
2042 { 8, MINUS_ONE, 20 },
2043 12
2044 },
2045 {
2046 /* Little-endian PIC. */
2047 NULL,
2048 0,
2049 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2050 vxworks_sh_pic_plt_entry_le,
2051 VXWORKS_PLT_ENTRY_SIZE,
2052 { 8, MINUS_ONE, 20 },
2053 12
2054 },
2055 }
2056};
9bdafcce 2057
55e6e397
RS
2058/* Return the type of PLT associated with ABFD. PIC_P is true if
2059 the object is position-independent. */
9bdafcce 2060
55e6e397
RS
2061static const struct elf_sh_plt_info *
2062get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
2063{
2064 if (vxworks_object_p (abfd))
2065 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2066 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2067}
9bdafcce 2068
55e6e397
RS
2069/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2070 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2071 not data. */
9bdafcce 2072
55e6e397
RS
2073inline static void
2074install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2075 unsigned long value, bfd_byte *addr)
2076{
2077 bfd_put_32 (output_bfd, value, addr);
2078}
fbca6ad9 2079#endif
015551fc 2080
55e6e397
RS
2081/* Return the index of the PLT entry at byte offset OFFSET. */
2082
2083static bfd_vma
2084get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2085{
2086 return (offset - info->plt0_entry_size) / info->symbol_entry_size;
2087}
2088
2089/* Do the inverse operation. */
2090
2091static bfd_vma
2092get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma index)
2093{
2094 return info->plt0_entry_size + (index * info->symbol_entry_size);
2095}
2096
37c644f2 2097/* The sh linker needs to keep track of the number of relocs that it
067653c5
AM
2098 decides to copy as dynamic relocs in check_relocs for each symbol.
2099 This is so that it can later discard them if they are found to be
2100 unnecessary. We store the information in a field extending the
2101 regular ELF linker hash table. */
252b5132 2102
067653c5 2103struct elf_sh_dyn_relocs
38b1a46c 2104{
067653c5
AM
2105 struct elf_sh_dyn_relocs *next;
2106
2107 /* The input section of the reloc. */
2108 asection *sec;
2109
2110 /* Total number of relocs copied for the input section. */
37c644f2 2111 bfd_size_type count;
067653c5
AM
2112
2113 /* Number of pc-relative relocs copied for the input section. */
2114 bfd_size_type pc_count;
37c644f2 2115};
252b5132 2116
37c644f2
AO
2117/* sh ELF linker hash entry. */
2118
38b1a46c
NC
2119struct elf_sh_link_hash_entry
2120{
37c644f2
AO
2121 struct elf_link_hash_entry root;
2122
fbca6ad9 2123#ifdef INCLUDE_SHMEDIA
396a6083
SC
2124 union
2125 {
2126 bfd_signed_vma refcount;
2127 bfd_vma offset;
2128 } datalabel_got;
fbca6ad9
AO
2129#endif
2130
067653c5
AM
2131 /* Track dynamic relocs copied for this symbol. */
2132 struct elf_sh_dyn_relocs *dyn_relocs;
4989d792
SC
2133
2134 bfd_signed_vma gotplt_refcount;
3376eaf5
KK
2135
2136 enum {
2137 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
2138 } tls_type;
3376eaf5
KK
2139};
2140
2141#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2142
2143struct sh_elf_obj_tdata
2144{
2145 struct elf_obj_tdata root;
2146
2147 /* tls_type for each local got entry. */
2148 char *local_got_tls_type;
37c644f2
AO
2149};
2150
3376eaf5
KK
2151#define sh_elf_tdata(abfd) \
2152 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2153
2154#define sh_elf_local_got_tls_type(abfd) \
2155 (sh_elf_tdata (abfd)->local_got_tls_type)
2156
0ffa91dd
NC
2157#define is_sh_elf(bfd) \
2158 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2159 && elf_tdata (bfd) != NULL \
2160 && elf_object_id (bfd) == SH_ELF_TDATA)
2161
3376eaf5
KK
2162/* Override the generic function because we need to store sh_elf_obj_tdata
2163 as the specific tdata. */
2164
b34976b6 2165static bfd_boolean
09fd220b 2166sh_elf_mkobject (bfd *abfd)
3376eaf5 2167{
0ffa91dd
NC
2168 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
2169 SH_ELF_TDATA);
3376eaf5 2170}
b34976b6 2171
37c644f2
AO
2172/* sh ELF linker hash table. */
2173
38b1a46c
NC
2174struct elf_sh_link_hash_table
2175{
37c644f2 2176 struct elf_link_hash_table root;
37c644f2 2177
067653c5
AM
2178 /* Short-cuts to get to dynamic linker sections. */
2179 asection *sgot;
2180 asection *sgotplt;
2181 asection *srelgot;
2182 asection *splt;
2183 asection *srelplt;
2184 asection *sdynbss;
2185 asection *srelbss;
37c644f2 2186
55e6e397
RS
2187 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2188 asection *srelplt2;
2189
067653c5
AM
2190 /* Small local sym to section mapping cache. */
2191 struct sym_sec_cache sym_sec;
3376eaf5
KK
2192
2193 /* A counter or offset to track a TLS got entry. */
2194 union
2195 {
2196 bfd_signed_vma refcount;
2197 bfd_vma offset;
2198 } tls_ldm_got;
55e6e397
RS
2199
2200 /* The type of PLT to use. */
2201 const struct elf_sh_plt_info *plt_info;
2202
2203 /* True if the target system is VxWorks. */
2204 bfd_boolean vxworks_p;
067653c5 2205};
37c644f2
AO
2206
2207/* Traverse an sh ELF linker hash table. */
2208
2209#define sh_elf_link_hash_traverse(table, func, info) \
2210 (elf_link_hash_traverse \
2211 (&(table)->root, \
09fd220b 2212 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
37c644f2
AO
2213 (info)))
2214
2215/* Get the sh ELF linker hash table from a link_info structure. */
2216
2217#define sh_elf_hash_table(p) \
2218 ((struct elf_sh_link_hash_table *) ((p)->hash))
2219
2220/* Create an entry in an sh ELF linker hash table. */
2221
2222static struct bfd_hash_entry *
09fd220b
KK
2223sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2224 struct bfd_hash_table *table,
2225 const char *string)
37c644f2
AO
2226{
2227 struct elf_sh_link_hash_entry *ret =
2228 (struct elf_sh_link_hash_entry *) entry;
2229
2230 /* Allocate the structure if it has not already been allocated by a
2231 subclass. */
2232 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2233 ret = ((struct elf_sh_link_hash_entry *)
2234 bfd_hash_allocate (table,
2235 sizeof (struct elf_sh_link_hash_entry)));
2236 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2237 return (struct bfd_hash_entry *) ret;
2238
2239 /* Call the allocation method of the superclass. */
2240 ret = ((struct elf_sh_link_hash_entry *)
2241 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2242 table, string));
2243 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2244 {
396a6083
SC
2245 ret->dyn_relocs = NULL;
2246 ret->gotplt_refcount = 0;
fbca6ad9 2247#ifdef INCLUDE_SHMEDIA
396a6083 2248 ret->datalabel_got.refcount = ret->root.got.refcount;
fbca6ad9 2249#endif
3376eaf5 2250 ret->tls_type = GOT_UNKNOWN;
37c644f2
AO
2251 }
2252
2253 return (struct bfd_hash_entry *) ret;
2254}
2255
2256/* Create an sh ELF linker hash table. */
2257
2258static struct bfd_link_hash_table *
09fd220b 2259sh_elf_link_hash_table_create (bfd *abfd)
37c644f2
AO
2260{
2261 struct elf_sh_link_hash_table *ret;
dc810e39 2262 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
37c644f2 2263
e2d34d7d 2264 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
37c644f2
AO
2265 if (ret == (struct elf_sh_link_hash_table *) NULL)
2266 return NULL;
2267
66eb6687
AM
2268 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2269 sh_elf_link_hash_newfunc,
2270 sizeof (struct elf_sh_link_hash_entry)))
37c644f2 2271 {
e2d34d7d 2272 free (ret);
37c644f2
AO
2273 return NULL;
2274 }
2275
067653c5
AM
2276 ret->sgot = NULL;
2277 ret->sgotplt = NULL;
2278 ret->srelgot = NULL;
2279 ret->splt = NULL;
2280 ret->srelplt = NULL;
2281 ret->sdynbss = NULL;
2282 ret->srelbss = NULL;
55e6e397 2283 ret->srelplt2 = NULL;
067653c5 2284 ret->sym_sec.abfd = NULL;
3376eaf5 2285 ret->tls_ldm_got.refcount = 0;
55e6e397
RS
2286 ret->plt_info = NULL;
2287 ret->vxworks_p = vxworks_object_p (abfd);
067653c5 2288
37c644f2
AO
2289 return &ret->root.root;
2290}
2291
067653c5
AM
2292/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2293 shortcuts to them in our hash table. */
2294
b34976b6 2295static bfd_boolean
09fd220b 2296create_got_section (bfd *dynobj, struct bfd_link_info *info)
067653c5
AM
2297{
2298 struct elf_sh_link_hash_table *htab;
2299
2300 if (! _bfd_elf_create_got_section (dynobj, info))
b34976b6 2301 return FALSE;
067653c5
AM
2302
2303 htab = sh_elf_hash_table (info);
2304 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
2305 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
2306 if (! htab->sgot || ! htab->sgotplt)
2307 abort ();
2308
3496cb2a
L
2309 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
2310 (SEC_ALLOC | SEC_LOAD
2311 | SEC_HAS_CONTENTS
2312 | SEC_IN_MEMORY
2313 | SEC_LINKER_CREATED
2314 | SEC_READONLY));
067653c5 2315 if (htab->srelgot == NULL
067653c5 2316 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
b34976b6
AM
2317 return FALSE;
2318 return TRUE;
067653c5
AM
2319}
2320
37c644f2
AO
2321/* Create dynamic sections when linking against a dynamic object. */
2322
b34976b6 2323static bfd_boolean
09fd220b 2324sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
37c644f2 2325{
067653c5 2326 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2327 flagword flags, pltflags;
2328 register asection *s;
9c5bfbb7 2329 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
37c644f2
AO
2330 int ptralign = 0;
2331
2332 switch (bed->s->arch_size)
2333 {
2334 case 32:
2335 ptralign = 2;
2336 break;
2337
2338 case 64:
2339 ptralign = 3;
2340 break;
2341
2342 default:
2343 bfd_set_error (bfd_error_bad_value);
b34976b6 2344 return FALSE;
37c644f2
AO
2345 }
2346
067653c5 2347 htab = sh_elf_hash_table (info);
35cad4c4
KK
2348 if (htab->root.dynamic_sections_created)
2349 return TRUE;
067653c5 2350
37c644f2
AO
2351 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2352 .rel[a].bss sections. */
2353
2354 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2355 | SEC_LINKER_CREATED);
2356
2357 pltflags = flags;
2358 pltflags |= SEC_CODE;
2359 if (bed->plt_not_loaded)
2360 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2361 if (bed->plt_readonly)
2362 pltflags |= SEC_READONLY;
2363
3496cb2a 2364 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
35cad4c4
KK
2365 htab->splt = s;
2366 if (s == NULL
35cad4c4
KK
2367 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2368 return FALSE;
37c644f2
AO
2369
2370 if (bed->want_plt_sym)
2371 {
2372 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2373 .plt section. */
14a793b2
AM
2374 struct elf_link_hash_entry *h;
2375 struct bfd_link_hash_entry *bh = NULL;
2376
37c644f2
AO
2377 if (! (_bfd_generic_link_add_one_symbol
2378 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
b34976b6 2379 (bfd_vma) 0, (const char *) NULL, FALSE,
14a793b2 2380 get_elf_backend_data (abfd)->collect, &bh)))
b34976b6 2381 return FALSE;
14a793b2
AM
2382
2383 h = (struct elf_link_hash_entry *) bh;
f5385ebf 2384 h->def_regular = 1;
37c644f2 2385 h->type = STT_OBJECT;
7325306f 2386 htab->root.hplt = h;
37c644f2
AO
2387
2388 if (info->shared
c152c796 2389 && ! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2390 return FALSE;
37c644f2
AO
2391 }
2392
3496cb2a
L
2393 s = bfd_make_section_with_flags (abfd,
2394 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
2395 flags | SEC_READONLY);
35cad4c4
KK
2396 htab->srelplt = s;
2397 if (s == NULL
35cad4c4
KK
2398 || ! bfd_set_section_alignment (abfd, s, ptralign))
2399 return FALSE;
37c644f2 2400
2293c499
AM
2401 if (htab->sgot == NULL
2402 && !create_got_section (abfd, info))
b34976b6 2403 return FALSE;
37c644f2
AO
2404
2405 {
2406 const char *secname;
2407 char *relname;
2408 flagword secflags;
2409 asection *sec;
2410
2411 for (sec = abfd->sections; sec; sec = sec->next)
2412 {
2413 secflags = bfd_get_section_flags (abfd, sec);
2414 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
2415 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
2416 continue;
2417 secname = bfd_get_section_name (abfd, sec);
dc810e39 2418 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
37c644f2
AO
2419 strcpy (relname, ".rela");
2420 strcat (relname, secname);
03151a5a
KK
2421 if (bfd_get_section_by_name (abfd, secname))
2422 continue;
3496cb2a
L
2423 s = bfd_make_section_with_flags (abfd, relname,
2424 flags | SEC_READONLY);
37c644f2 2425 if (s == NULL
37c644f2 2426 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2427 return FALSE;
37c644f2
AO
2428 }
2429 }
2430
2431 if (bed->want_dynbss)
2432 {
2433 /* The .dynbss section is a place to put symbols which are defined
2434 by dynamic objects, are referenced by regular objects, and are
2435 not functions. We must allocate space for them in the process
2436 image and use a R_*_COPY reloc to tell the dynamic linker to
2437 initialize them at run time. The linker script puts the .dynbss
2438 section into the .bss section of the final image. */
3496cb2a
L
2439 s = bfd_make_section_with_flags (abfd, ".dynbss",
2440 SEC_ALLOC | SEC_LINKER_CREATED);
35cad4c4 2441 htab->sdynbss = s;
3496cb2a 2442 if (s == NULL)
35cad4c4 2443 return FALSE;
37c644f2
AO
2444
2445 /* The .rel[a].bss section holds copy relocs. This section is not
2446 normally needed. We need to create it here, though, so that the
2447 linker will map it to an output section. We can't just create it
2448 only if we need it, because we will not know whether we need it
2449 until we have seen all the input files, and the first time the
2450 main linker code calls BFD after examining all the input files
2451 (size_dynamic_sections) the input sections have already been
2452 mapped to the output sections. If the section turns out not to
2453 be needed, we can discard it later. We will never need this
2454 section when generating a shared object, since they do not use
2455 copy relocs. */
35cad4c4 2456 if (! info->shared)
37c644f2 2457 {
3496cb2a
L
2458 s = bfd_make_section_with_flags (abfd,
2459 (bed->default_use_rela_p
2460 ? ".rela.bss" : ".rel.bss"),
2461 flags | SEC_READONLY);
067653c5 2462 htab->srelbss = s;
37c644f2 2463 if (s == NULL
37c644f2 2464 || ! bfd_set_section_alignment (abfd, s, ptralign))
b34976b6 2465 return FALSE;
37c644f2
AO
2466 }
2467 }
2468
55e6e397
RS
2469 if (htab->vxworks_p)
2470 {
2471 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2472 return FALSE;
2473 }
2474
b34976b6 2475 return TRUE;
37c644f2
AO
2476}
2477\f
37c644f2
AO
2478/* Adjust a symbol defined by a dynamic object and referenced by a
2479 regular object. The current definition is in some section of the
2480 dynamic object, but we're not including those sections. We have to
2481 change the definition to something the rest of the link can
2482 understand. */
2483
b34976b6 2484static bfd_boolean
09fd220b
KK
2485sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2486 struct elf_link_hash_entry *h)
37c644f2 2487{
067653c5
AM
2488 struct elf_sh_link_hash_table *htab;
2489 struct elf_sh_link_hash_entry *eh;
2490 struct elf_sh_dyn_relocs *p;
37c644f2 2491 asection *s;
37c644f2 2492
2293c499 2493 htab = sh_elf_hash_table (info);
37c644f2
AO
2494
2495 /* Make sure we know what is going on here. */
2293c499 2496 BFD_ASSERT (htab->root.dynobj != NULL
f5385ebf 2497 && (h->needs_plt
f6e332e6 2498 || h->u.weakdef != NULL
f5385ebf
AM
2499 || (h->def_dynamic
2500 && h->ref_regular
2501 && !h->def_regular)));
37c644f2
AO
2502
2503 /* If this is a function, put it in the procedure linkage table. We
2504 will fill in the contents of the procedure linkage table later,
2505 when we know the address of the .got section. */
2506 if (h->type == STT_FUNC
f5385ebf 2507 || h->needs_plt)
37c644f2 2508 {
067653c5 2509 if (h->plt.refcount <= 0
3d85aebe
KK
2510 || SYMBOL_CALLS_LOCAL (info, h)
2511 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2512 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
2513 {
2514 /* This case can occur if we saw a PLT reloc in an input
2515 file, but the symbol was never referred to by a dynamic
2516 object. In such a case, we don't actually need to build
2517 a procedure linkage table, and we can just do a REL32
2518 reloc instead. */
067653c5 2519 h->plt.offset = (bfd_vma) -1;
f5385ebf 2520 h->needs_plt = 0;
37c644f2
AO
2521 }
2522
b34976b6 2523 return TRUE;
37c644f2 2524 }
067653c5
AM
2525 else
2526 h->plt.offset = (bfd_vma) -1;
37c644f2
AO
2527
2528 /* If this is a weak symbol, and there is a real definition, the
2529 processor independent code will have arranged for us to see the
2530 real definition first, and we can just use the same value. */
f6e332e6 2531 if (h->u.weakdef != NULL)
37c644f2 2532 {
f6e332e6
AM
2533 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2534 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2535 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2536 h->root.u.def.value = h->u.weakdef->root.u.def.value;
04e534c3 2537 if (info->nocopyreloc)
f6e332e6 2538 h->non_got_ref = h->u.weakdef->non_got_ref;
b34976b6 2539 return TRUE;
37c644f2
AO
2540 }
2541
2542 /* This is a reference to a symbol defined by a dynamic object which
2543 is not a function. */
2544
2545 /* If we are creating a shared library, we must presume that the
2546 only references to the symbol are via the global offset table.
2547 For such cases we need not do anything here; the relocations will
2548 be handled correctly by relocate_section. */
2549 if (info->shared)
b34976b6 2550 return TRUE;
37c644f2
AO
2551
2552 /* If there are no references to this symbol that do not use the
2553 GOT, we don't need to generate a copy reloc. */
f5385ebf 2554 if (!h->non_got_ref)
b34976b6 2555 return TRUE;
37c644f2 2556
067653c5
AM
2557 /* If -z nocopyreloc was given, we won't generate them either. */
2558 if (info->nocopyreloc)
2559 {
f5385ebf 2560 h->non_got_ref = 0;
b34976b6 2561 return TRUE;
067653c5
AM
2562 }
2563
2564 eh = (struct elf_sh_link_hash_entry *) h;
2565 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2566 {
2567 s = p->sec->output_section;
2568 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2569 break;
2570 }
2571
2572 /* If we didn't find any dynamic relocs in sections which needs the
2573 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2574 the copy reloc. */
2575 if (p == NULL)
2576 {
f5385ebf 2577 h->non_got_ref = 0;
b34976b6 2578 return TRUE;
067653c5
AM
2579 }
2580
909272ee
AM
2581 if (h->size == 0)
2582 {
2583 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2584 h->root.root.string);
2585 return TRUE;
2586 }
2587
37c644f2
AO
2588 /* We must allocate the symbol in our .dynbss section, which will
2589 become part of the .bss section of the executable. There will be
2590 an entry for this symbol in the .dynsym section. The dynamic
2591 object will contain position independent code, so all references
2592 from the dynamic object to this symbol will go through the global
2593 offset table. The dynamic linker will use the .dynsym entry to
2594 determine the address it must put in the global offset table, so
2595 both the dynamic object and the regular object will refer to the
2596 same memory location for the variable. */
2597
067653c5 2598 s = htab->sdynbss;
37c644f2
AO
2599 BFD_ASSERT (s != NULL);
2600
2601 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2602 copy the initial value out of the dynamic object and into the
2603 runtime process image. We need to remember the offset into the
2604 .rela.bss section we are going to use. */
2605 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2606 {
2607 asection *srel;
2608
067653c5 2609 srel = htab->srelbss;
37c644f2 2610 BFD_ASSERT (srel != NULL);
eea6121a 2611 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 2612 h->needs_copy = 1;
37c644f2
AO
2613 }
2614
027297b7 2615 return _bfd_elf_adjust_dynamic_copy (h, s);
37c644f2
AO
2616}
2617
067653c5
AM
2618/* Allocate space in .plt, .got and associated reloc sections for
2619 dynamic relocs. */
2620
b34976b6 2621static bfd_boolean
09fd220b 2622allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2623{
2624 struct bfd_link_info *info;
2625 struct elf_sh_link_hash_table *htab;
2626 struct elf_sh_link_hash_entry *eh;
2627 struct elf_sh_dyn_relocs *p;
2628
2629 if (h->root.type == bfd_link_hash_indirect)
b34976b6 2630 return TRUE;
067653c5
AM
2631
2632 if (h->root.type == bfd_link_hash_warning)
2633 /* When warning symbols are created, they **replace** the "real"
2634 entry in the hash table, thus we never get to see the real
2635 symbol in a hash traversal. So look at it now. */
2636 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2637
2638 info = (struct bfd_link_info *) inf;
2639 htab = sh_elf_hash_table (info);
2640
4989d792
SC
2641 eh = (struct elf_sh_link_hash_entry *) h;
2642 if ((h->got.refcount > 0
f5385ebf 2643 || h->forced_local)
4989d792
SC
2644 && eh->gotplt_refcount > 0)
2645 {
2646 /* The symbol has been forced local, or we have some direct got refs,
26e41594 2647 so treat all the gotplt refs as got refs. */
4989d792
SC
2648 h->got.refcount += eh->gotplt_refcount;
2649 if (h->plt.refcount >= eh->gotplt_refcount)
2650 h->plt.refcount -= eh->gotplt_refcount;
2651 }
2652
067653c5 2653 if (htab->root.dynamic_sections_created
04e534c3
KK
2654 && h->plt.refcount > 0
2655 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2656 || h->root.type != bfd_link_hash_undefweak))
067653c5
AM
2657 {
2658 /* Make sure this symbol is output as a dynamic symbol.
2659 Undefined weak syms won't yet be marked as dynamic. */
2660 if (h->dynindx == -1
f5385ebf 2661 && !h->forced_local)
067653c5 2662 {
c152c796 2663 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2664 return FALSE;
067653c5
AM
2665 }
2666
267fb3c1
KK
2667 if (info->shared
2668 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
067653c5
AM
2669 {
2670 asection *s = htab->splt;
2671
2672 /* If this is the first .plt entry, make room for the special
2673 first entry. */
eea6121a 2674 if (s->size == 0)
55e6e397 2675 s->size += htab->plt_info->plt0_entry_size;
067653c5 2676
eea6121a 2677 h->plt.offset = s->size;
067653c5
AM
2678
2679 /* If this symbol is not defined in a regular file, and we are
2680 not generating a shared library, then set the symbol to this
2681 location in the .plt. This is required to make function
2682 pointers compare as equal between the normal executable and
2683 the shared library. */
2684 if (! info->shared
f5385ebf 2685 && !h->def_regular)
067653c5
AM
2686 {
2687 h->root.u.def.section = s;
2688 h->root.u.def.value = h->plt.offset;
2689 }
2690
2691 /* Make room for this entry. */
55e6e397 2692 s->size += htab->plt_info->symbol_entry_size;
067653c5
AM
2693
2694 /* We also need to make an entry in the .got.plt section, which
2695 will be placed in the .got section by the linker script. */
eea6121a 2696 htab->sgotplt->size += 4;
067653c5
AM
2697
2698 /* We also need to make an entry in the .rel.plt section. */
eea6121a 2699 htab->srelplt->size += sizeof (Elf32_External_Rela);
55e6e397
RS
2700
2701 if (htab->vxworks_p && !info->shared)
2702 {
2703 /* VxWorks executables have a second set of relocations
2704 for each PLT entry. They go in a separate relocation
2705 section, which is processed by the kernel loader. */
2706
2707 /* There is a relocation for the initial PLT entry:
2708 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2709 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2710 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2711
2712 /* There are two extra relocations for each subsequent
2713 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2714 and an R_SH_DIR32 relocation for the PLT entry. */
2715 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2716 }
067653c5
AM
2717 }
2718 else
2719 {
2720 h->plt.offset = (bfd_vma) -1;
f5385ebf 2721 h->needs_plt = 0;
067653c5
AM
2722 }
2723 }
2724 else
2725 {
2726 h->plt.offset = (bfd_vma) -1;
f5385ebf 2727 h->needs_plt = 0;
067653c5
AM
2728 }
2729
2730 if (h->got.refcount > 0)
2731 {
2732 asection *s;
b34976b6 2733 bfd_boolean dyn;
3376eaf5 2734 int tls_type = sh_elf_hash_entry (h)->tls_type;
067653c5
AM
2735
2736 /* Make sure this symbol is output as a dynamic symbol.
2737 Undefined weak syms won't yet be marked as dynamic. */
2738 if (h->dynindx == -1
f5385ebf 2739 && !h->forced_local)
067653c5 2740 {
c152c796 2741 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2742 return FALSE;
067653c5
AM
2743 }
2744
2745 s = htab->sgot;
eea6121a
AM
2746 h->got.offset = s->size;
2747 s->size += 4;
3376eaf5
KK
2748 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
2749 if (tls_type == GOT_TLS_GD)
eea6121a 2750 s->size += 4;
067653c5 2751 dyn = htab->root.dynamic_sections_created;
267fb3c1 2752 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3376eaf5
KK
2753 R_SH_TLS_GD needs one if local symbol and two if global. */
2754 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
267fb3c1 2755 || (tls_type == GOT_TLS_IE && dyn))
eea6121a 2756 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5 2757 else if (tls_type == GOT_TLS_GD)
eea6121a 2758 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
04e534c3
KK
2759 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2760 || h->root.type != bfd_link_hash_undefweak)
2761 && (info->shared
2762 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
eea6121a 2763 htab->srelgot->size += sizeof (Elf32_External_Rela);
067653c5
AM
2764 }
2765 else
2766 h->got.offset = (bfd_vma) -1;
2767
396a6083
SC
2768#ifdef INCLUDE_SHMEDIA
2769 if (eh->datalabel_got.refcount > 0)
2770 {
2771 asection *s;
b34976b6 2772 bfd_boolean dyn;
396a6083
SC
2773
2774 /* Make sure this symbol is output as a dynamic symbol.
2775 Undefined weak syms won't yet be marked as dynamic. */
2776 if (h->dynindx == -1
f5385ebf 2777 && !h->forced_local)
396a6083 2778 {
c152c796 2779 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2780 return FALSE;
396a6083
SC
2781 }
2782
2783 s = htab->sgot;
eea6121a
AM
2784 eh->datalabel_got.offset = s->size;
2785 s->size += 4;
396a6083 2786 dyn = htab->root.dynamic_sections_created;
267fb3c1 2787 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
eea6121a 2788 htab->srelgot->size += sizeof (Elf32_External_Rela);
396a6083
SC
2789 }
2790 else
2791 eh->datalabel_got.offset = (bfd_vma) -1;
2792#endif
2793
067653c5 2794 if (eh->dyn_relocs == NULL)
b34976b6 2795 return TRUE;
067653c5
AM
2796
2797 /* In the shared -Bsymbolic case, discard space allocated for
2798 dynamic pc-relative relocs against symbols which turn out to be
2799 defined in regular objects. For the normal shared case, discard
2800 space for pc-relative relocs that have become local due to symbol
2801 visibility changes. */
2802
2803 if (info->shared)
2804 {
3d85aebe 2805 if (SYMBOL_CALLS_LOCAL (info, h))
067653c5
AM
2806 {
2807 struct elf_sh_dyn_relocs **pp;
2808
2809 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2810 {
2811 p->count -= p->pc_count;
2812 p->pc_count = 0;
2813 if (p->count == 0)
2814 *pp = p->next;
2815 else
2816 pp = &p->next;
2817 }
2818 }
04e534c3 2819
3348747a
NS
2820 if (htab->vxworks_p)
2821 {
2822 struct elf_sh_dyn_relocs **pp;
2823
2824 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2825 {
2826 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2827 *pp = p->next;
2828 else
2829 pp = &p->next;
2830 }
2831 }
2832
04e534c3
KK
2833 /* Also discard relocs on undefined weak syms with non-default
2834 visibility. */
22d606e9 2835 if (eh->dyn_relocs != NULL
04e534c3 2836 && h->root.type == bfd_link_hash_undefweak)
22d606e9
AM
2837 {
2838 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2839 eh->dyn_relocs = NULL;
2840
2841 /* Make sure undefined weak symbols are output as a dynamic
2842 symbol in PIEs. */
2843 else if (h->dynindx == -1
2844 && !h->forced_local)
2845 {
2846 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2847 return FALSE;
2848 }
2849 }
067653c5
AM
2850 }
2851 else
2852 {
2853 /* For the non-shared case, discard space for relocs against
2854 symbols which turn out to need copy relocs or are not
2855 dynamic. */
2856
f5385ebf
AM
2857 if (!h->non_got_ref
2858 && ((h->def_dynamic
2859 && !h->def_regular)
067653c5
AM
2860 || (htab->root.dynamic_sections_created
2861 && (h->root.type == bfd_link_hash_undefweak
2862 || h->root.type == bfd_link_hash_undefined))))
2863 {
2864 /* Make sure this symbol is output as a dynamic symbol.
2865 Undefined weak syms won't yet be marked as dynamic. */
2866 if (h->dynindx == -1
f5385ebf 2867 && !h->forced_local)
067653c5 2868 {
c152c796 2869 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2870 return FALSE;
067653c5
AM
2871 }
2872
2873 /* If that succeeded, we know we'll be keeping all the
2874 relocs. */
2875 if (h->dynindx != -1)
2876 goto keep;
2877 }
2878
2879 eh->dyn_relocs = NULL;
2880
2881 keep: ;
2882 }
2883
2884 /* Finally, allocate space. */
2885 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2886 {
2887 asection *sreloc = elf_section_data (p->sec)->sreloc;
eea6121a 2888 sreloc->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
2889 }
2890
b34976b6 2891 return TRUE;
067653c5
AM
2892}
2893
2894/* Find any dynamic relocs that apply to read-only sections. */
2895
b34976b6 2896static bfd_boolean
09fd220b 2897readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
067653c5
AM
2898{
2899 struct elf_sh_link_hash_entry *eh;
2900 struct elf_sh_dyn_relocs *p;
2901
2902 if (h->root.type == bfd_link_hash_warning)
2903 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2904
2905 eh = (struct elf_sh_link_hash_entry *) h;
2906 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2907 {
2908 asection *s = p->sec->output_section;
2909
2910 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2911 {
2912 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2913
2914 info->flags |= DF_TEXTREL;
2915
2916 /* Not an error, just cut short the traversal. */
b34976b6 2917 return FALSE;
067653c5
AM
2918 }
2919 }
b34976b6 2920 return TRUE;
067653c5
AM
2921}
2922
55e6e397
RS
2923/* This function is called after all the input files have been read,
2924 and the input sections have been assigned to output sections.
2925 It's a convenient place to determine the PLT style. */
2926
2927static bfd_boolean
2928sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2929{
2930 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
2931 return TRUE;
2932}
2933
37c644f2
AO
2934/* Set the sizes of the dynamic sections. */
2935
b34976b6 2936static bfd_boolean
09fd220b
KK
2937sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2938 struct bfd_link_info *info)
37c644f2 2939{
067653c5 2940 struct elf_sh_link_hash_table *htab;
37c644f2
AO
2941 bfd *dynobj;
2942 asection *s;
b34976b6 2943 bfd_boolean relocs;
067653c5 2944 bfd *ibfd;
37c644f2 2945
067653c5
AM
2946 htab = sh_elf_hash_table (info);
2947 dynobj = htab->root.dynobj;
37c644f2
AO
2948 BFD_ASSERT (dynobj != NULL);
2949
067653c5 2950 if (htab->root.dynamic_sections_created)
37c644f2
AO
2951 {
2952 /* Set the contents of the .interp section to the interpreter. */
2558b9a9 2953 if (info->executable)
37c644f2
AO
2954 {
2955 s = bfd_get_section_by_name (dynobj, ".interp");
2956 BFD_ASSERT (s != NULL);
eea6121a 2957 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
37c644f2
AO
2958 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2959 }
2960 }
37c644f2 2961
067653c5
AM
2962 /* Set up .got offsets for local syms, and space for local dynamic
2963 relocs. */
2964 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
37c644f2 2965 {
067653c5
AM
2966 bfd_signed_vma *local_got;
2967 bfd_signed_vma *end_local_got;
3376eaf5 2968 char *local_tls_type;
067653c5
AM
2969 bfd_size_type locsymcount;
2970 Elf_Internal_Shdr *symtab_hdr;
2971 asection *srel;
37c644f2 2972
0ffa91dd 2973 if (! is_sh_elf (ibfd))
37c644f2
AO
2974 continue;
2975
067653c5 2976 for (s = ibfd->sections; s != NULL; s = s->next)
37c644f2 2977 {
067653c5
AM
2978 struct elf_sh_dyn_relocs *p;
2979
2980 for (p = ((struct elf_sh_dyn_relocs *)
2981 elf_section_data (s)->local_dynrel);
2982 p != NULL;
2983 p = p->next)
37c644f2 2984 {
067653c5
AM
2985 if (! bfd_is_abs_section (p->sec)
2986 && bfd_is_abs_section (p->sec->output_section))
2987 {
2988 /* Input section has been discarded, either because
2989 it is a copy of a linkonce section or due to
2990 linker script /DISCARD/, so we'll be discarding
2991 the relocs too. */
2992 }
3348747a
NS
2993 else if (htab->vxworks_p
2994 && strcmp (p->sec->output_section->name,
2995 ".tls_vars") == 0)
2996 {
2997 /* Relocations in vxworks .tls_vars sections are
2998 handled specially by the loader. */
2999 }
067653c5
AM
3000 else if (p->count != 0)
3001 {
3002 srel = elf_section_data (p->sec)->sreloc;
eea6121a 3003 srel->size += p->count * sizeof (Elf32_External_Rela);
067653c5
AM
3004 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3005 info->flags |= DF_TEXTREL;
3006 }
37c644f2
AO
3007 }
3008 }
067653c5
AM
3009
3010 local_got = elf_local_got_refcounts (ibfd);
3011 if (!local_got)
3012 continue;
3013
0ffa91dd 3014 symtab_hdr = &elf_symtab_hdr (ibfd);
067653c5
AM
3015 locsymcount = symtab_hdr->sh_info;
3016#ifdef INCLUDE_SHMEDIA
3017 /* Count datalabel local GOT. */
3018 locsymcount *= 2;
3019#endif
3020 end_local_got = local_got + locsymcount;
3376eaf5 3021 local_tls_type = sh_elf_local_got_tls_type (ibfd);
067653c5
AM
3022 s = htab->sgot;
3023 srel = htab->srelgot;
3024 for (; local_got < end_local_got; ++local_got)
37c644f2 3025 {
067653c5 3026 if (*local_got > 0)
37c644f2 3027 {
eea6121a
AM
3028 *local_got = s->size;
3029 s->size += 4;
3376eaf5 3030 if (*local_tls_type == GOT_TLS_GD)
eea6121a 3031 s->size += 4;
067653c5 3032 if (info->shared)
eea6121a 3033 srel->size += sizeof (Elf32_External_Rela);
37c644f2
AO
3034 }
3035 else
067653c5 3036 *local_got = (bfd_vma) -1;
3376eaf5 3037 ++local_tls_type;
37c644f2 3038 }
067653c5
AM
3039 }
3040
3376eaf5
KK
3041 if (htab->tls_ldm_got.refcount > 0)
3042 {
3043 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3044 relocs. */
eea6121a
AM
3045 htab->tls_ldm_got.offset = htab->sgot->size;
3046 htab->sgot->size += 8;
3047 htab->srelgot->size += sizeof (Elf32_External_Rela);
3376eaf5
KK
3048 }
3049 else
3050 htab->tls_ldm_got.offset = -1;
3051
067653c5
AM
3052 /* Allocate global sym .plt and .got entries, and space for global
3053 sym dynamic relocs. */
09fd220b 3054 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
067653c5
AM
3055
3056 /* We now have determined the sizes of the various dynamic sections.
3057 Allocate memory for them. */
b34976b6 3058 relocs = FALSE;
067653c5
AM
3059 for (s = dynobj->sections; s != NULL; s = s->next)
3060 {
3061 if ((s->flags & SEC_LINKER_CREATED) == 0)
3062 continue;
3063
3064 if (s == htab->splt
3065 || s == htab->sgot
c456f082
AM
3066 || s == htab->sgotplt
3067 || s == htab->sdynbss)
067653c5
AM
3068 {
3069 /* Strip this section if we don't need it; see the
3070 comment below. */
3071 }
0112cd26 3072 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
067653c5 3073 {
55e6e397 3074 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
b34976b6 3075 relocs = TRUE;
067653c5
AM
3076
3077 /* We use the reloc_count field as a counter if we need
3078 to copy relocs into the output file. */
3079 s->reloc_count = 0;
3080 }
3081 else
37c644f2
AO
3082 {
3083 /* It's not one of our sections, so don't allocate space. */
3084 continue;
3085 }
3086
eea6121a 3087 if (s->size == 0)
37c644f2 3088 {
067653c5
AM
3089 /* If we don't need this section, strip it from the
3090 output file. This is mostly to handle .rela.bss and
3091 .rela.plt. We must create both sections in
3092 create_dynamic_sections, because they must be created
3093 before the linker maps input sections to output
3094 sections. The linker does that before
3095 adjust_dynamic_symbol is called, and it is that
3096 function which decides whether anything needs to go
3097 into these sections. */
3098
8423293d 3099 s->flags |= SEC_EXCLUDE;
37c644f2
AO
3100 continue;
3101 }
3102
c456f082
AM
3103 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3104 continue;
3105
067653c5
AM
3106 /* Allocate memory for the section contents. We use bfd_zalloc
3107 here in case unused entries are not reclaimed before the
3108 section's contents are written out. This should not happen,
3109 but this way if it does, we get a R_SH_NONE reloc instead
3110 of garbage. */
eea6121a 3111 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
067653c5 3112 if (s->contents == NULL)
b34976b6 3113 return FALSE;
37c644f2
AO
3114 }
3115
067653c5 3116 if (htab->root.dynamic_sections_created)
37c644f2
AO
3117 {
3118 /* Add some entries to the .dynamic section. We fill in the
3119 values later, in sh_elf_finish_dynamic_sections, but we
3120 must add the entries now so that we get the correct size for
3121 the .dynamic section. The DT_DEBUG entry is filled in by the
3122 dynamic linker and used by the debugger. */
dc810e39 3123#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3124 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3125
2558b9a9 3126 if (info->executable)
37c644f2 3127 {
067653c5 3128 if (! add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3129 return FALSE;
37c644f2
AO
3130 }
3131
eea6121a 3132 if (htab->splt->size != 0)
37c644f2 3133 {
067653c5
AM
3134 if (! add_dynamic_entry (DT_PLTGOT, 0)
3135 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3136 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3137 || ! add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3138 return FALSE;
37c644f2
AO
3139 }
3140
3141 if (relocs)
3142 {
067653c5
AM
3143 if (! add_dynamic_entry (DT_RELA, 0)
3144 || ! add_dynamic_entry (DT_RELASZ, 0)
3145 || ! add_dynamic_entry (DT_RELAENT,
3146 sizeof (Elf32_External_Rela)))
b34976b6 3147 return FALSE;
37c644f2 3148
067653c5
AM
3149 /* If any dynamic relocs apply to a read-only section,
3150 then we need a DT_TEXTREL entry. */
3151 if ((info->flags & DF_TEXTREL) == 0)
09fd220b 3152 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
067653c5
AM
3153
3154 if ((info->flags & DF_TEXTREL) != 0)
3155 {
3156 if (! add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3157 return FALSE;
067653c5 3158 }
37c644f2 3159 }
7a2b07ff
NS
3160 if (htab->vxworks_p
3161 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3162 return FALSE;
37c644f2 3163 }
dc810e39 3164#undef add_dynamic_entry
37c644f2 3165
b34976b6 3166 return TRUE;
37c644f2 3167}
37c644f2
AO
3168\f
3169/* Relocate an SH ELF section. */
3170
b34976b6 3171static bfd_boolean
09fd220b
KK
3172sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3173 bfd *input_bfd, asection *input_section,
3174 bfd_byte *contents, Elf_Internal_Rela *relocs,
3175 Elf_Internal_Sym *local_syms,
3176 asection **local_sections)
37c644f2 3177{
067653c5 3178 struct elf_sh_link_hash_table *htab;
37c644f2
AO
3179 Elf_Internal_Shdr *symtab_hdr;
3180 struct elf_link_hash_entry **sym_hashes;
3181 Elf_Internal_Rela *rel, *relend;
3182 bfd *dynobj;
3183 bfd_vma *local_got_offsets;
3184 asection *sgot;
fbca6ad9 3185 asection *sgotplt;
37c644f2
AO
3186 asection *splt;
3187 asection *sreloc;
3376eaf5 3188 asection *srelgot;
3348747a 3189 bfd_boolean is_vxworks_tls;
37c644f2 3190
0ffa91dd
NC
3191 BFD_ASSERT (is_sh_elf (input_bfd));
3192
067653c5 3193 htab = sh_elf_hash_table (info);
0ffa91dd 3194 symtab_hdr = &elf_symtab_hdr (input_bfd);
37c644f2 3195 sym_hashes = elf_sym_hashes (input_bfd);
067653c5 3196 dynobj = htab->root.dynobj;
37c644f2
AO
3197 local_got_offsets = elf_local_got_offsets (input_bfd);
3198
067653c5
AM
3199 sgot = htab->sgot;
3200 sgotplt = htab->sgotplt;
3201 splt = htab->splt;
37c644f2 3202 sreloc = NULL;
3376eaf5 3203 srelgot = NULL;
3348747a
NS
3204 /* We have to handle relocations in vxworks .tls_vars sections
3205 specially, because the dynamic loader is 'weird'. */
3206 is_vxworks_tls = (htab->vxworks_p && info->shared
3207 && !strcmp (input_section->output_section->name,
3208 ".tls_vars"));
37c644f2
AO
3209
3210 rel = relocs;
3211 relend = relocs + input_section->reloc_count;
3212 for (; rel < relend; rel++)
3213 {
3214 int r_type;
3215 reloc_howto_type *howto;
3216 unsigned long r_symndx;
3217 Elf_Internal_Sym *sym;
3218 asection *sec;
3219 struct elf_link_hash_entry *h;
3220 bfd_vma relocation;
435b1e90 3221 bfd_vma addend = (bfd_vma) 0;
37c644f2 3222 bfd_reloc_status_type r;
fbca6ad9 3223 int seen_stt_datalabel = 0;
3376eaf5
KK
3224 bfd_vma off;
3225 int tls_type;
37c644f2
AO
3226
3227 r_symndx = ELF32_R_SYM (rel->r_info);
3228
37c644f2
AO
3229 r_type = ELF32_R_TYPE (rel->r_info);
3230
3231 /* Many of the relocs are only used for relaxing, and are
067653c5 3232 handled entirely by the relaxation code. */
d38eb334
DD
3233 if (r_type >= (int) R_SH_GNU_VTINHERIT
3234 && r_type <= (int) R_SH_LABEL)
37c644f2 3235 continue;
c5aeb40f
AO
3236 if (r_type == (int) R_SH_NONE)
3237 continue;
37c644f2
AO
3238
3239 if (r_type < 0
3240 || r_type >= R_SH_max
3241 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
06bb75c1 3242 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
fbca6ad9
AO
3243 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3244 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3245 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3246 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3376eaf5
KK
3247 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3248 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
06bb75c1
AO
3249 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3250 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
37c644f2
AO
3251 {
3252 bfd_set_error (bfd_error_bad_value);
b34976b6 3253 return FALSE;
37c644f2
AO
3254 }
3255
55e6e397 3256 howto = get_howto_table (output_bfd) + r_type;
37c644f2 3257
146be91a 3258 /* For relocs that aren't partial_inplace, we get the addend from
067653c5 3259 the relocation. */
146be91a
HPN
3260 if (! howto->partial_inplace)
3261 addend = rel->r_addend;
3262
37c644f2
AO
3263 h = NULL;
3264 sym = NULL;
3265 sec = NULL;
3266 if (r_symndx < symtab_hdr->sh_info)
3267 {
3268 sym = local_syms + r_symndx;
3269 sec = local_sections[r_symndx];
3270 relocation = (sec->output_section->vma
3271 + sec->output_offset
3272 + sym->st_value);
fbca6ad9
AO
3273 /* A local symbol never has STO_SH5_ISA32, so we don't need
3274 datalabel processing here. Make sure this does not change
3275 without notice. */
3276 if ((sym->st_other & STO_SH5_ISA32) != 0)
3277 ((*info->callbacks->reloc_dangerous)
3278 (info,
3279 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3280 input_bfd, input_section, rel->r_offset));
ab96bf03
AM
3281
3282 if (sec != NULL && elf_discarded_section (sec))
3283 /* Handled below. */
3284 ;
3285 else if (info->relocatable)
8a3975e6 3286 {
1049f94e 3287 /* This is a relocatable link. We don't have to change
8a3975e6
AO
3288 anything, unless the reloc is against a section symbol,
3289 in which case we have to adjust according to where the
3290 section symbol winds up in the output section. */
8a3975e6 3291 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
146be91a
HPN
3292 {
3293 if (! howto->partial_inplace)
3294 {
3295 /* For relocations with the addend in the
3296 relocation, we need just to update the addend.
3297 All real relocs are of type partial_inplace; this
3298 code is mostly for completeness. */
ab96bf03 3299 rel->r_addend += sec->output_offset;
146be91a
HPN
3300
3301 continue;
3302 }
3303
3304 /* Relocs of type partial_inplace need to pick up the
3305 contents in the contents and add the offset resulting
3306 from the changed location of the section symbol.
3307 Using _bfd_final_link_relocate (e.g. goto
3308 final_link_relocate) here would be wrong, because
3309 relocations marked pc_relative would get the current
3310 location subtracted, and we must only do that at the
3311 final link. */
3312 r = _bfd_relocate_contents (howto, input_bfd,
3313 sec->output_offset
3314 + sym->st_value,
3315 contents + rel->r_offset);
3316 goto relocation_done;
3317 }
8a3975e6
AO
3318
3319 continue;
3320 }
f8df10f4
JJ
3321 else if (! howto->partial_inplace)
3322 {
8517fae7 3323 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
f8df10f4
JJ
3324 addend = rel->r_addend;
3325 }
3326 else if ((sec->flags & SEC_MERGE)
3327 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3328 {
3329 asection *msec;
3330
3331 if (howto->rightshift || howto->src_mask != 0xffffffff)
3332 {
3333 (*_bfd_error_handler)
d003868e
AM
3334 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
3335 input_bfd, input_section,
f8df10f4 3336 (long) rel->r_offset, howto->name);
b34976b6 3337 return FALSE;
f8df10f4
JJ
3338 }
3339
067653c5
AM
3340 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3341 msec = sec;
3342 addend =
c629eae0 3343 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
f8df10f4
JJ
3344 - relocation;
3345 addend += msec->output_section->vma + msec->output_offset;
3346 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3347 addend = 0;
3348 }
37c644f2
AO
3349 }
3350 else
3351 {
560e09e9
NC
3352 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3353
ab96bf03 3354 relocation = 0;
37c644f2
AO
3355 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3356 while (h->root.type == bfd_link_hash_indirect
3357 || h->root.type == bfd_link_hash_warning)
fbca6ad9
AO
3358 {
3359#ifdef INCLUDE_SHMEDIA
3360 /* If the reference passes a symbol marked with
3361 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
3362 doesn't count. */
3363 seen_stt_datalabel |= h->type == STT_DATALABEL;
3364#endif
3365 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3366 }
37c644f2
AO
3367 if (h->root.type == bfd_link_hash_defined
3368 || h->root.type == bfd_link_hash_defweak)
3369 {
b34976b6 3370 bfd_boolean dyn;
067653c5
AM
3371
3372 dyn = htab->root.dynamic_sections_created;
37c644f2
AO
3373 sec = h->root.u.def.section;
3374 /* In these cases, we don't need the relocation value.
3375 We check specially because in some obscure cases
435b1e90 3376 sec->output_section will be NULL. */
37c644f2 3377 if (r_type == R_SH_GOTPC
fbca6ad9
AO
3378 || r_type == R_SH_GOTPC_LOW16
3379 || r_type == R_SH_GOTPC_MEDLOW16
3380 || r_type == R_SH_GOTPC_MEDHI16
3381 || r_type == R_SH_GOTPC_HI16
3382 || ((r_type == R_SH_PLT32
3383 || r_type == R_SH_PLT_LOW16
3384 || r_type == R_SH_PLT_MEDLOW16
3385 || r_type == R_SH_PLT_MEDHI16
3386 || r_type == R_SH_PLT_HI16)
37c644f2 3387 && h->plt.offset != (bfd_vma) -1)
fbca6ad9
AO
3388 || ((r_type == R_SH_GOT32
3389 || r_type == R_SH_GOT_LOW16
3390 || r_type == R_SH_GOT_MEDLOW16
3391 || r_type == R_SH_GOT_MEDHI16
3392 || r_type == R_SH_GOT_HI16)
267fb3c1 3393 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2
AO
3394 && (! info->shared
3395 || (! info->symbolic && h->dynindx != -1)
f5385ebf 3396 || !h->def_regular))
37c644f2
AO
3397 /* The cases above are those in which relocation is
3398 overwritten in the switch block below. The cases
3399 below are those in which we must defer relocation
3400 to run-time, because we can't resolve absolute
3401 addresses when creating a shared library. */
3402 || (info->shared
3403 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 3404 || !h->def_regular)
37c644f2 3405 && ((r_type == R_SH_DIR32
f5385ebf 3406 && !h->forced_local)
f50ad433
KK
3407 || (r_type == R_SH_REL32
3408 && !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3409 && ((input_section->flags & SEC_ALLOC) != 0
3410 /* DWARF will emit R_SH_DIR32 relocations in its
3411 sections against symbols defined externally
3412 in shared libraries. We can't do anything
3413 with them here. */
067653c5 3414 || ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3415 && h->def_dynamic)))
1448fa32
KK
3416 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3417 sections because such sections are not SEC_ALLOC and
3418 thus ld.so will not process them. */
3419 || (sec->output_section == NULL
3420 && ((input_section->flags & SEC_DEBUGGING) != 0
f5385ebf 3421 && h->def_dynamic))
3376eaf5
KK
3422 || (sec->output_section == NULL
3423 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
3424 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
ab96bf03
AM
3425 ;
3426 else if (sec->output_section != NULL)
3427 relocation = ((h->root.u.def.value
3428 + sec->output_section->vma
3429 + sec->output_offset)
3430 /* A STO_SH5_ISA32 causes a "bitor 1" to the
3431 symbol value, unless we've seen
3432 STT_DATALABEL on the way to it. */
3433 | ((h->other & STO_SH5_ISA32) != 0
3434 && ! seen_stt_datalabel));
3435 else if (!info->relocatable)
37c644f2
AO
3436 {
3437 (*_bfd_error_handler)
843fe662
L
3438 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3439 input_bfd,
3440 input_section,
3441 (long) rel->r_offset,
3442 howto->name,
3443 h->root.root.string);
b34976b6 3444 return FALSE;
37c644f2 3445 }
37c644f2
AO
3446 }
3447 else if (h->root.type == bfd_link_hash_undefweak)
ab96bf03 3448 ;
59c2e50f 3449 else if (info->unresolved_syms_in_objects == RM_IGNORE
067653c5 3450 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
ab96bf03
AM
3451 ;
3452 else if (!info->relocatable)
37c644f2 3453 {
560e09e9
NC
3454 if (! info->callbacks->undefined_symbol
3455 (info, h->root.root.string, input_bfd,
3456 input_section, rel->r_offset,
59c2e50f 3457 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
560e09e9 3458 || ELF_ST_VISIBILITY (h->other))))
b34976b6 3459 return FALSE;
37c644f2
AO
3460 }
3461 }
3462
ab96bf03
AM
3463 if (sec != NULL && elf_discarded_section (sec))
3464 {
3465 /* For relocs against symbols from removed linkonce sections,
3466 or sections discarded by a linker script, we just want the
3467 section contents zeroed. Avoid any special processing. */
3468 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
3469 rel->r_info = 0;
3470 rel->r_addend = 0;
3471 continue;
3472 }
3473
3474 if (info->relocatable)
3475 continue;
3476
435b1e90 3477 switch ((int) r_type)
37c644f2
AO
3478 {
3479 final_link_relocate:
3480 /* COFF relocs don't use the addend. The addend is used for
435b1e90 3481 R_SH_DIR32 to be compatible with other compilers. */
37c644f2
AO
3482 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3483 contents, rel->r_offset,
3484 relocation, addend);
3485 break;
3486
3487 case R_SH_IND12W:
cd6ec716
DD
3488 goto final_link_relocate;
3489
37c644f2
AO
3490 case R_SH_DIR8WPN:
3491 case R_SH_DIR8WPZ:
3492 case R_SH_DIR8WPL:
cd6ec716
DD
3493 /* If the reloc is against the start of this section, then
3494 the assembler has already taken care of it and the reloc
3495 is here only to assist in relaxing. If the reloc is not
3496 against the start of this section, then it's against an
3497 external symbol and we must deal with it ourselves. */
3498 if (input_section->output_section->vma + input_section->output_offset
3499 != relocation)
3500 {
3501 int disp = (relocation
3502 - input_section->output_section->vma
3503 - input_section->output_offset
3504 - rel->r_offset);
3505 int mask = 0;
3506 switch (r_type)
3507 {
3508 case R_SH_DIR8WPN:
3509 case R_SH_DIR8WPZ: mask = 1; break;
3510 case R_SH_DIR8WPL: mask = 3; break;
3511 default: mask = 0; break;
3512 }
3513 if (disp & mask)
3514 {
3515 ((*_bfd_error_handler)
d003868e
AM
3516 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
3517 input_section->owner,
cd6ec716
DD
3518 (unsigned long) rel->r_offset));
3519 bfd_set_error (bfd_error_bad_value);
b34976b6 3520 return FALSE;
cd6ec716
DD
3521 }
3522 relocation -= 4;
3523 goto final_link_relocate;
3524 }
3525 r = bfd_reloc_ok;
3526 break;
37c644f2
AO
3527
3528 default:
fbca6ad9
AO
3529#ifdef INCLUDE_SHMEDIA
3530 if (shmedia_prepare_reloc (info, input_bfd, input_section,
3531 contents, rel, &relocation))
3532 goto final_link_relocate;
3533#endif
37c644f2 3534 bfd_set_error (bfd_error_bad_value);
b34976b6 3535 return FALSE;
37c644f2 3536
d38eb334
DD
3537 case R_SH_DIR16:
3538 case R_SH_DIR8:
3539 case R_SH_DIR8U:
3540 case R_SH_DIR8S:
3541 case R_SH_DIR4U:
3542 goto final_link_relocate;
3543
3544 case R_SH_DIR8UL:
3545 case R_SH_DIR4UL:
3546 if (relocation & 3)
3547 {
3548 ((*_bfd_error_handler)
d003868e
AM
3549 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3550 input_section->owner,
d38eb334 3551 (unsigned long) rel->r_offset, howto->name,
d003868e 3552 (unsigned long) relocation));
d38eb334
DD
3553 bfd_set_error (bfd_error_bad_value);
3554 return FALSE;
3555 }
3556 goto final_link_relocate;
3557
3558 case R_SH_DIR8UW:
3559 case R_SH_DIR8SW:
3560 case R_SH_DIR4UW:
3561 if (relocation & 1)
3562 {
3563 ((*_bfd_error_handler)
d003868e
AM
3564 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3565 input_section->owner,
d38eb334 3566 (unsigned long) rel->r_offset, howto->name,
d003868e 3567 (unsigned long) relocation));
d38eb334
DD
3568 bfd_set_error (bfd_error_bad_value);
3569 return FALSE;
3570 }
3571 goto final_link_relocate;
3572
3573 case R_SH_PSHA:
3574 if ((signed int)relocation < -32
3575 || (signed int)relocation > 32)
3576 {
3577 ((*_bfd_error_handler)
d003868e
AM
3578 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
3579 input_section->owner,
d38eb334 3580 (unsigned long) rel->r_offset,
d003868e 3581 (unsigned long) relocation));
d38eb334
DD
3582 bfd_set_error (bfd_error_bad_value);
3583 return FALSE;
3584 }
3585 goto final_link_relocate;
3586
3587 case R_SH_PSHL:
3588 if ((signed int)relocation < -16
3589 || (signed int)relocation > 16)
3590 {
3591 ((*_bfd_error_handler)
d003868e
AM
3592 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
3593 input_section->owner,
d38eb334 3594 (unsigned long) rel->r_offset,
d003868e 3595 (unsigned long) relocation));
d38eb334
DD
3596 bfd_set_error (bfd_error_bad_value);
3597 return FALSE;
3598 }
3599 goto final_link_relocate;
3600
37c644f2
AO
3601 case R_SH_DIR32:
3602 case R_SH_REL32:
46e993b9
KK
3603#ifdef INCLUDE_SHMEDIA
3604 case R_SH_IMM_LOW16_PCREL:
3605 case R_SH_IMM_MEDLOW16_PCREL:
3606 case R_SH_IMM_MEDHI16_PCREL:
3607 case R_SH_IMM_HI16_PCREL:
3608#endif
37c644f2 3609 if (info->shared
04e534c3
KK
3610 && (h == NULL
3611 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3612 || h->root.type != bfd_link_hash_undefweak)
ec338859 3613 && r_symndx != 0
37c644f2 3614 && (input_section->flags & SEC_ALLOC) != 0
3348747a 3615 && !is_vxworks_tls
46e993b9 3616 && (r_type == R_SH_DIR32
3d85aebe 3617 || !SYMBOL_CALLS_LOCAL (info, h)))
37c644f2
AO
3618 {
3619 Elf_Internal_Rela outrel;
947216bf 3620 bfd_byte *loc;
b34976b6 3621 bfd_boolean skip, relocate;
37c644f2
AO
3622
3623 /* When generating a shared object, these relocations
3624 are copied into the output file to be resolved at run
3625 time. */
3626
3627 if (sreloc == NULL)
3628 {
3629 const char *name;
3630
3631 name = (bfd_elf_string_from_elf_section
3632 (input_bfd,
3633 elf_elfheader (input_bfd)->e_shstrndx,
3634 elf_section_data (input_section)->rel_hdr.sh_name));
3635 if (name == NULL)
b34976b6 3636 return FALSE;
37c644f2 3637
0112cd26 3638 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
37c644f2
AO
3639 && strcmp (bfd_get_section_name (input_bfd,
3640 input_section),
3641 name + 5) == 0);
3642
3643 sreloc = bfd_get_section_by_name (dynobj, name);
3644 BFD_ASSERT (sreloc != NULL);
3645 }
3646
b34976b6
AM
3647 skip = FALSE;
3648 relocate = FALSE;
37c644f2 3649
c629eae0
JJ
3650 outrel.r_offset =
3651 _bfd_elf_section_offset (output_bfd, info, input_section,
3652 rel->r_offset);
3653 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 3654 skip = TRUE;
0bb2d96a 3655 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 3656 skip = TRUE, relocate = TRUE;
37c644f2
AO
3657 outrel.r_offset += (input_section->output_section->vma
3658 + input_section->output_offset);
3659
3660 if (skip)
0bb2d96a 3661 memset (&outrel, 0, sizeof outrel);
37c644f2
AO
3662 else if (r_type == R_SH_REL32)
3663 {
3664 BFD_ASSERT (h != NULL && h->dynindx != -1);
37c644f2 3665 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
146be91a 3666 outrel.r_addend
55e6e397
RS
3667 = (howto->partial_inplace
3668 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3669 : addend);
37c644f2 3670 }
46e993b9
KK
3671#ifdef INCLUDE_SHMEDIA
3672 else if (r_type == R_SH_IMM_LOW16_PCREL
3673 || r_type == R_SH_IMM_MEDLOW16_PCREL
3674 || r_type == R_SH_IMM_MEDHI16_PCREL
3675 || r_type == R_SH_IMM_HI16_PCREL)
3676 {
3677 BFD_ASSERT (h != NULL && h->dynindx != -1);
3678 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
3679 outrel.r_addend = addend;
3680 }
3681#endif
37c644f2
AO
3682 else
3683 {
3684 /* h->dynindx may be -1 if this symbol was marked to
3685 become local. */
3686 if (h == NULL
3687 || ((info->symbolic || h->dynindx == -1)
f5385ebf 3688 && h->def_regular))
37c644f2 3689 {
55e6e397 3690 relocate = howto->partial_inplace;
37c644f2 3691 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
37c644f2
AO
3692 }
3693 else
3694 {
3695 BFD_ASSERT (h->dynindx != -1);
37c644f2 3696 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
37c644f2 3697 }
55e6e397
RS
3698 outrel.r_addend = relocation;
3699 outrel.r_addend
3700 += (howto->partial_inplace
3701 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3702 : addend);
37c644f2
AO
3703 }
3704
947216bf
AM
3705 loc = sreloc->contents;
3706 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3707 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3708
3709 /* If this reloc is against an external symbol, we do
3710 not want to fiddle with the addend. Otherwise, we
3711 need to include the symbol value so that it becomes
3712 an addend for the dynamic reloc. */
3713 if (! relocate)
3714 continue;
3715 }
37c644f2
AO
3716 goto final_link_relocate;
3717
fbca6ad9
AO
3718 case R_SH_GOTPLT32:
3719#ifdef INCLUDE_SHMEDIA
3720 case R_SH_GOTPLT_LOW16:
3721 case R_SH_GOTPLT_MEDLOW16:
3722 case R_SH_GOTPLT_MEDHI16:
3723 case R_SH_GOTPLT_HI16:
3724 case R_SH_GOTPLT10BY4:
3725 case R_SH_GOTPLT10BY8:
3726#endif
3727 /* Relocation is to the entry for this symbol in the
3728 procedure linkage table. */
3729
3730 if (h == NULL
f5385ebf 3731 || h->forced_local
fbca6ad9
AO
3732 || ! info->shared
3733 || info->symbolic
3734 || h->dynindx == -1
3735 || h->plt.offset == (bfd_vma) -1
3736 || h->got.offset != (bfd_vma) -1)
3737 goto force_got;
3738
3739 /* Relocation is to the entry for this symbol in the global
3740 offset table extension for the procedure linkage table. */
fbca6ad9 3741
067653c5 3742 BFD_ASSERT (sgotplt != NULL);
fbca6ad9 3743 relocation = (sgotplt->output_offset
55e6e397
RS
3744 + (get_plt_index (htab->plt_info, h->plt.offset)
3745 + 3) * 4);
fbca6ad9
AO
3746
3747#ifdef GOT_BIAS
3748 relocation -= GOT_BIAS;
3749#endif
3750
3751 goto final_link_relocate;
3752
3753 force_got:
37c644f2 3754 case R_SH_GOT32:
fbca6ad9
AO
3755#ifdef INCLUDE_SHMEDIA
3756 case R_SH_GOT_LOW16:
3757 case R_SH_GOT_MEDLOW16:
3758 case R_SH_GOT_MEDHI16:
3759 case R_SH_GOT_HI16:
3760 case R_SH_GOT10BY4:
3761 case R_SH_GOT10BY8:
3762#endif
37c644f2
AO
3763 /* Relocation is to the entry for this symbol in the global
3764 offset table. */
067653c5
AM
3765
3766 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3767
3768 if (h != NULL)
3769 {
b34976b6 3770 bfd_boolean dyn;
37c644f2
AO
3771
3772 off = h->got.offset;
fbca6ad9
AO
3773#ifdef INCLUDE_SHMEDIA
3774 if (seen_stt_datalabel)
3775 {
3776 struct elf_sh_link_hash_entry *hsh;
3777
3778 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3779 off = hsh->datalabel_got.offset;
fbca6ad9
AO
3780 }
3781#endif
37c644f2
AO
3782 BFD_ASSERT (off != (bfd_vma) -1);
3783
067653c5 3784 dyn = htab->root.dynamic_sections_created;
267fb3c1 3785 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
37c644f2 3786 || (info->shared
3d85aebe 3787 && SYMBOL_REFERENCES_LOCAL (info, h))
04e534c3
KK
3788 || (ELF_ST_VISIBILITY (h->other)
3789 && h->root.type == bfd_link_hash_undefweak))
37c644f2
AO
3790 {
3791 /* This is actually a static link, or it is a
3792 -Bsymbolic link and the symbol is defined
3793 locally, or the symbol was forced to be local
3794 because of a version file. We must initialize
3795 this entry in the global offset table. Since the
3796 offset must always be a multiple of 4, we use the
3797 least significant bit to record whether we have
3798 initialized it already.
3799
3800 When doing a dynamic link, we create a .rela.got
3801 relocation entry to initialize the value. This
3802 is done in the finish_dynamic_symbol routine. */
3803 if ((off & 1) != 0)
3804 off &= ~1;
3805 else
3806 {
3807 bfd_put_32 (output_bfd, relocation,
3808 sgot->contents + off);
fbca6ad9
AO
3809#ifdef INCLUDE_SHMEDIA
3810 if (seen_stt_datalabel)
3811 {
3812 struct elf_sh_link_hash_entry *hsh;
3813
3814 hsh = (struct elf_sh_link_hash_entry *)h;
396a6083 3815 hsh->datalabel_got.offset |= 1;
fbca6ad9
AO
3816 }
3817 else
3818#endif
3819 h->got.offset |= 1;
37c644f2
AO
3820 }
3821 }
3822
3823 relocation = sgot->output_offset + off;
3824 }
3825 else
3826 {
fbca6ad9
AO
3827#ifdef INCLUDE_SHMEDIA
3828 if (rel->r_addend)
3829 {
3830 BFD_ASSERT (local_got_offsets != NULL
3831 && (local_got_offsets[symtab_hdr->sh_info
3832 + r_symndx]
3833 != (bfd_vma) -1));
3834
3835 off = local_got_offsets[symtab_hdr->sh_info
3836 + r_symndx];
3837 }
3838 else
3839 {
3840#endif
37c644f2
AO
3841 BFD_ASSERT (local_got_offsets != NULL
3842 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3843
3844 off = local_got_offsets[r_symndx];
fbca6ad9
AO
3845#ifdef INCLUDE_SHMEDIA
3846 }
3847#endif
37c644f2
AO
3848
3849 /* The offset must always be a multiple of 4. We use
3850 the least significant bit to record whether we have
3851 already generated the necessary reloc. */
3852 if ((off & 1) != 0)
3853 off &= ~1;
3854 else
3855 {
3856 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
3857
3858 if (info->shared)
3859 {
37c644f2 3860 Elf_Internal_Rela outrel;
947216bf 3861 bfd_byte *loc;
37c644f2 3862
3376eaf5
KK
3863 if (srelgot == NULL)
3864 {
3865 srelgot = bfd_get_section_by_name (dynobj,
3866 ".rela.got");
3867 BFD_ASSERT (srelgot != NULL);
3868 }
37c644f2
AO
3869
3870 outrel.r_offset = (sgot->output_section->vma
3871 + sgot->output_offset
3872 + off);
3873 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
3874 outrel.r_addend = relocation;
947216bf
AM
3875 loc = srelgot->contents;
3876 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3877 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
37c644f2
AO
3878 }
3879
fbca6ad9
AO
3880#ifdef INCLUDE_SHMEDIA
3881 if (rel->r_addend)
3882 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
3883 else
3884#endif
3885 local_got_offsets[r_symndx] |= 1;
37c644f2
AO
3886 }
3887
3888 relocation = sgot->output_offset + off;
3889 }
3890
fbca6ad9 3891#ifdef GOT_BIAS
067653c5 3892 relocation -= GOT_BIAS;
fbca6ad9
AO
3893#endif
3894
37c644f2
AO
3895 goto final_link_relocate;
3896
3897 case R_SH_GOTOFF:
fbca6ad9
AO
3898#ifdef INCLUDE_SHMEDIA
3899 case R_SH_GOTOFF_LOW16:
3900 case R_SH_GOTOFF_MEDLOW16:
3901 case R_SH_GOTOFF_MEDHI16:
3902 case R_SH_GOTOFF_HI16:
3903#endif
37c644f2
AO
3904 /* Relocation is relative to the start of the global offset
3905 table. */
3906
067653c5 3907 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3908
3909 /* Note that sgot->output_offset is not involved in this
3910 calculation. We always want the start of .got. If we
3911 defined _GLOBAL_OFFSET_TABLE in a different way, as is
3912 permitted by the ABI, we might have to change this
3913 calculation. */
3914 relocation -= sgot->output_section->vma;
3915
fbca6ad9
AO
3916#ifdef GOT_BIAS
3917 relocation -= GOT_BIAS;
3918#endif
3919
3920 addend = rel->r_addend;
3921
37c644f2
AO
3922 goto final_link_relocate;
3923
3924 case R_SH_GOTPC:
fbca6ad9
AO
3925#ifdef INCLUDE_SHMEDIA
3926 case R_SH_GOTPC_LOW16:
3927 case R_SH_GOTPC_MEDLOW16:
3928 case R_SH_GOTPC_MEDHI16:
3929 case R_SH_GOTPC_HI16:
3930#endif
37c644f2
AO
3931 /* Use global offset table as symbol value. */
3932
067653c5 3933 BFD_ASSERT (sgot != NULL);
37c644f2
AO
3934 relocation = sgot->output_section->vma;
3935
fbca6ad9
AO
3936#ifdef GOT_BIAS
3937 relocation += GOT_BIAS;
3938#endif
3939
3940 addend = rel->r_addend;
3941
37c644f2
AO
3942 goto final_link_relocate;
3943
3944 case R_SH_PLT32:
fbca6ad9
AO
3945#ifdef INCLUDE_SHMEDIA
3946 case R_SH_PLT_LOW16:
3947 case R_SH_PLT_MEDLOW16:
3948 case R_SH_PLT_MEDHI16:
3949 case R_SH_PLT_HI16:
3950#endif
37c644f2
AO
3951 /* Relocation is to the entry for this symbol in the
3952 procedure linkage table. */
3953
3954 /* Resolve a PLT reloc against a local symbol directly,
3955 without using the procedure linkage table. */
3956 if (h == NULL)
3957 goto final_link_relocate;
3958
f5385ebf 3959 if (h->forced_local)
37c644f2
AO
3960 goto final_link_relocate;
3961
3962 if (h->plt.offset == (bfd_vma) -1)
3963 {
3964 /* We didn't make a PLT entry for this symbol. This
3965 happens when statically linking PIC code, or when
3966 using -Bsymbolic. */
3967 goto final_link_relocate;
3968 }
3969
067653c5 3970 BFD_ASSERT (splt != NULL);
37c644f2
AO
3971 relocation = (splt->output_section->vma
3972 + splt->output_offset
3973 + h->plt.offset);
3974
fbca6ad9
AO
3975#ifdef INCLUDE_SHMEDIA
3976 relocation++;
3977#endif
3978
3979 addend = rel->r_addend;
3980
37c644f2
AO
3981 goto final_link_relocate;
3982
3983 case R_SH_LOOP_START:
3984 {
3985 static bfd_vma start, end;
3986
3987 start = (relocation + rel->r_addend
3988 - (sec->output_section->vma + sec->output_offset));
3989 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3990 rel->r_offset, sec, start, end);
3991 break;
3992
3993 case R_SH_LOOP_END:
3994 end = (relocation + rel->r_addend
3995 - (sec->output_section->vma + sec->output_offset));
3996 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3997 rel->r_offset, sec, start, end);
3998 break;
3999 }
3376eaf5
KK
4000
4001 case R_SH_TLS_GD_32:
4002 case R_SH_TLS_IE_32:
4003 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4004 tls_type = GOT_UNKNOWN;
4005 if (h == NULL && local_got_offsets)
4006 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
4007 else if (h != NULL)
4008 {
4009 tls_type = sh_elf_hash_entry (h)->tls_type;
4010 if (! info->shared
4011 && (h->dynindx == -1
f5385ebf 4012 || h->def_regular))
267fb3c1 4013 r_type = R_SH_TLS_LE_32;
3376eaf5
KK
4014 }
4015
4016 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
4017 r_type = R_SH_TLS_IE_32;
4018
4019 if (r_type == R_SH_TLS_LE_32)
4020 {
4021 bfd_vma offset;
4022 unsigned short insn;
3376eaf5
KK
4023
4024 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
4025 {
4026 /* GD->LE transition:
4027 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
b34976b6 4028 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
3376eaf5
KK
4029 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4030 We change it into:
4031 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4032 nop; nop; ...
4033 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4034
4035 offset = rel->r_offset;
4036 BFD_ASSERT (offset >= 16);
4037 /* Size of GD instructions is 16 or 18. */
4038 offset -= 16;
4039 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4040 if ((insn & 0xff00) == 0xc700)
4041 {
4042 BFD_ASSERT (offset >= 2);
4043 offset -= 2;
4044 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4045 }
4046
4047 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4048 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4049 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4050 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4051 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4052 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4053 BFD_ASSERT (insn == 0x310c);
4054 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4055 BFD_ASSERT (insn == 0x410b);
4056 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4057 BFD_ASSERT (insn == 0x34cc);
4058
4059 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4060 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4061 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4062 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4063 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4064 }
4065 else
4066 {
4067 int index;
4068
4069 /* IE->LE transition:
4070 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
4071 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
4072 We change it into:
4073 mov.l .Ln,rM; stc gbr,rN; nop; ...;
4074 1: x@TPOFF; 2:. */
4075
4076 offset = rel->r_offset;
4077 BFD_ASSERT (offset >= 16);
4078 /* Size of IE instructions is 10 or 12. */
4079 offset -= 10;
4080 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4081 if ((insn & 0xf0ff) == 0x0012)
4082 {
4083 BFD_ASSERT (offset >= 2);
4084 offset -= 2;
4085 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4086 }
4087
4088 BFD_ASSERT ((insn & 0xff00) == 0xd000);
4089 index = insn & 0x00ff;
4090 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4091 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
4092 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4093 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
4094 insn = 0xd000 | (insn & 0x0f00) | index;
4095 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4096 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4097 }
4098
267fb3c1
KK
4099 bfd_put_32 (output_bfd, tpoff (info, relocation),
4100 contents + rel->r_offset);
3376eaf5
KK
4101 continue;
4102 }
4103
4104 sgot = htab->sgot;
4105 if (sgot == NULL)
4106 abort ();
4107
4108 if (h != NULL)
4109 off = h->got.offset;
4110 else
4111 {
4112 if (local_got_offsets == NULL)
4113 abort ();
4114
4115 off = local_got_offsets[r_symndx];
4116 }
4117
267fb3c1
KK
4118 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4119 if (r_type == R_SH_TLS_IE_32
4120 && ! htab->root.dynamic_sections_created)
4121 {
4122 off &= ~1;
4123 bfd_put_32 (output_bfd, tpoff (info, relocation),
4124 sgot->contents + off);
4125 bfd_put_32 (output_bfd, sgot->output_offset + off,
4126 contents + rel->r_offset);
4127 continue;
4128 }
4129
3376eaf5
KK
4130 if ((off & 1) != 0)
4131 off &= ~1;
26e41594 4132 else
3376eaf5
KK
4133 {
4134 Elf_Internal_Rela outrel;
947216bf 4135 bfd_byte *loc;
3376eaf5
KK
4136 int dr_type, indx;
4137
4138 if (srelgot == NULL)
4139 {
4140 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4141 BFD_ASSERT (srelgot != NULL);
4142 }
4143
4144 outrel.r_offset = (sgot->output_section->vma
4145 + sgot->output_offset + off);
4146
267fb3c1 4147 if (h == NULL || h->dynindx == -1)
c95b8a7a
KK
4148 indx = 0;
4149 else
4150 indx = h->dynindx;
267fb3c1 4151
3376eaf5
KK
4152 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4153 R_SH_TLS_TPOFF32);
4154 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4155 outrel.r_addend = relocation - dtpoff_base (info);
4156 else
4157 outrel.r_addend = 0;
4158 outrel.r_info = ELF32_R_INFO (indx, dr_type);
947216bf
AM
4159 loc = srelgot->contents;
4160 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4161 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4162
4163 if (r_type == R_SH_TLS_GD_32)
4164 {
4165 if (indx == 0)
4166 {
4167 bfd_put_32 (output_bfd,
4168 relocation - dtpoff_base (info),
4169 sgot->contents + off + 4);
4170 }
4171 else
4172 {
4173 outrel.r_info = ELF32_R_INFO (indx,
4174 R_SH_TLS_DTPOFF32);
4175 outrel.r_offset += 4;
4176 outrel.r_addend = 0;
4177 srelgot->reloc_count++;
947216bf
AM
4178 loc += sizeof (Elf32_External_Rela);
4179 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4180 }
4181 }
4182
4183 if (h != NULL)
4184 h->got.offset |= 1;
4185 else
4186 local_got_offsets[r_symndx] |= 1;
4187 }
4188
4189 if (off >= (bfd_vma) -2)
4190 abort ();
4191
4192 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
4193 relocation = sgot->output_offset + off;
4194 else
4195 {
4196 bfd_vma offset;
4197 unsigned short insn;
4198
4199 /* GD->IE transition:
4200 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4201 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4202 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4203 We change it into:
4204 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4205 nop; nop; bra 3f; nop; .align 2;
4206 1: .long x@TPOFF; 2:...; 3:. */
4207
4208 offset = rel->r_offset;
4209 BFD_ASSERT (offset >= 16);
4210 /* Size of GD instructions is 16 or 18. */
4211 offset -= 16;
4212 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4213 if ((insn & 0xff00) == 0xc700)
4214 {
4215 BFD_ASSERT (offset >= 2);
4216 offset -= 2;
4217 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4218 }
4219
4220 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4221
4222 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4223 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4224
4225 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4226 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4227 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4228 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4229 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4230 BFD_ASSERT (insn == 0x310c);
4231 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4232 BFD_ASSERT (insn == 0x410b);
4233 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4234 BFD_ASSERT (insn == 0x34cc);
4235
4236 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4237 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4238 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4239 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4240 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4241
4242 bfd_put_32 (output_bfd, sgot->output_offset + off,
4243 contents + rel->r_offset);
4244
4245 continue;
4246 }
4247
4248 addend = rel->r_addend;
4249
4250 goto final_link_relocate;
4251
4252 case R_SH_TLS_LD_32:
4253 if (! info->shared)
4254 {
4255 bfd_vma offset;
4256 unsigned short insn;
4257
4258 /* LD->LE transition:
4259 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4260 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4261 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4262 We change it into:
4263 stc gbr,r0; nop; nop; nop;
4264 nop; nop; bra 3f; ...; 3:. */
4265
4266 offset = rel->r_offset;
4267 BFD_ASSERT (offset >= 16);
4268 /* Size of LD instructions is 16 or 18. */
4269 offset -= 16;
4270 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4271 if ((insn & 0xff00) == 0xc700)
4272 {
4273 BFD_ASSERT (offset >= 2);
4274 offset -= 2;
4275 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4276 }
4277
4278 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4279 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4280 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4281 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4282 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4283 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4284 BFD_ASSERT (insn == 0x310c);
4285 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4286 BFD_ASSERT (insn == 0x410b);
4287 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4288 BFD_ASSERT (insn == 0x34cc);
4289
4290 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
4291 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
4292 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4293 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4294 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4295 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4296
4297 continue;
4298 }
4299
4300 sgot = htab->sgot;
4301 if (sgot == NULL)
4302 abort ();
4303
4304 off = htab->tls_ldm_got.offset;
4305 if (off & 1)
4306 off &= ~1;
4307 else
4308 {
4309 Elf_Internal_Rela outrel;
947216bf 4310 bfd_byte *loc;
3376eaf5
KK
4311
4312 srelgot = htab->srelgot;
4313 if (srelgot == NULL)
4314 abort ();
4315
4316 outrel.r_offset = (sgot->output_section->vma
4317 + sgot->output_offset + off);
4318 outrel.r_addend = 0;
4319 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
947216bf
AM
4320 loc = srelgot->contents;
4321 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3376eaf5
KK
4322 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4323 htab->tls_ldm_got.offset |= 1;
4324 }
4325
4326 relocation = sgot->output_offset + off;
4327 addend = rel->r_addend;
4328
4329 goto final_link_relocate;
4330
4331 case R_SH_TLS_LDO_32:
4332 if (! info->shared)
267fb3c1 4333 relocation = tpoff (info, relocation);
3376eaf5
KK
4334 else
4335 relocation -= dtpoff_base (info);
4336
4337 addend = rel->r_addend;
4338 goto final_link_relocate;
4339
4340 case R_SH_TLS_LE_32:
4341 {
4342 int indx;
4343 Elf_Internal_Rela outrel;
947216bf 4344 bfd_byte *loc;
3376eaf5 4345
267fb3c1
KK
4346 if (! info->shared)
4347 {
4348 relocation = tpoff (info, relocation);
4349 addend = rel->r_addend;
4350 goto final_link_relocate;
4351 }
4352
3376eaf5
KK
4353 if (sreloc == NULL)
4354 {
4355 const char *name;
4356
4357 name = (bfd_elf_string_from_elf_section
4358 (input_bfd,
4359 elf_elfheader (input_bfd)->e_shstrndx,
4360 elf_section_data (input_section)->rel_hdr.sh_name));
4361 if (name == NULL)
b34976b6 4362 return FALSE;
3376eaf5 4363
0112cd26 4364 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
3376eaf5
KK
4365 && strcmp (bfd_get_section_name (input_bfd,
4366 input_section),
4367 name + 5) == 0);
4368
4369 sreloc = bfd_get_section_by_name (dynobj, name);
4370 BFD_ASSERT (sreloc != NULL);
4371 }
4372
267fb3c1
KK
4373 if (h == NULL || h->dynindx == -1)
4374 indx = 0;
4375 else
4376 indx = h->dynindx;
4377
3376eaf5
KK
4378 outrel.r_offset = (input_section->output_section->vma
4379 + input_section->output_offset
4380 + rel->r_offset);
4381 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
4382 if (indx == 0)
4383 outrel.r_addend = relocation - dtpoff_base (info);
4384 else
4385 outrel.r_addend = 0;
3376eaf5 4386
947216bf
AM
4387 loc = sreloc->contents;
4388 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4389 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3376eaf5
KK
4390 continue;
4391 }
37c644f2
AO
4392 }
4393
146be91a 4394 relocation_done:
37c644f2
AO
4395 if (r != bfd_reloc_ok)
4396 {
4397 switch (r)
4398 {
4399 default:
4400 case bfd_reloc_outofrange:
4401 abort ();
4402 case bfd_reloc_overflow:
4403 {
4404 const char *name;
4405
4406 if (h != NULL)
dfeffb9f 4407 name = NULL;
37c644f2
AO
4408 else
4409 {
252b5132
RH
4410 name = (bfd_elf_string_from_elf_section
4411 (input_bfd, symtab_hdr->sh_link, sym->st_name));
4412 if (name == NULL)
b34976b6 4413 return FALSE;
252b5132
RH
4414 if (*name == '\0')
4415 name = bfd_section_name (input_bfd, sec);
4416 }
4417 if (! ((*info->callbacks->reloc_overflow)
dfeffb9f
L
4418 (info, (h ? &h->root : NULL), name, howto->name,
4419 (bfd_vma) 0, input_bfd, input_section,
4420 rel->r_offset)))
b34976b6 4421 return FALSE;
252b5132
RH
4422 }
4423 break;
4424 }
4425 }
4426 }
4427
b34976b6 4428 return TRUE;
252b5132
RH
4429}
4430
4431/* This is a version of bfd_generic_get_relocated_section_contents
4432 which uses sh_elf_relocate_section. */
4433
4434static bfd_byte *
09fd220b
KK
4435sh_elf_get_relocated_section_contents (bfd *output_bfd,
4436 struct bfd_link_info *link_info,
4437 struct bfd_link_order *link_order,
4438 bfd_byte *data,
4439 bfd_boolean relocatable,
4440 asymbol **symbols)
252b5132
RH
4441{
4442 Elf_Internal_Shdr *symtab_hdr;
4443 asection *input_section = link_order->u.indirect.section;
4444 bfd *input_bfd = input_section->owner;
4445 asection **sections = NULL;
4446 Elf_Internal_Rela *internal_relocs = NULL;
6cdc0ccc 4447 Elf_Internal_Sym *isymbuf = NULL;
252b5132
RH
4448
4449 /* We only need to handle the case of relaxing, or of having a
4450 particular set of section contents, specially. */
1049f94e 4451 if (relocatable
252b5132
RH
4452 || elf_section_data (input_section)->this_hdr.contents == NULL)
4453 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4454 link_order, data,
1049f94e 4455 relocatable,
252b5132
RH
4456 symbols);
4457
0ffa91dd 4458 symtab_hdr = &elf_symtab_hdr (input_bfd);
252b5132
RH
4459
4460 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
eea6121a 4461 (size_t) input_section->size);
252b5132
RH
4462
4463 if ((input_section->flags & SEC_RELOC) != 0
4464 && input_section->reloc_count > 0)
4465 {
252b5132 4466 asection **secpp;
6cdc0ccc 4467 Elf_Internal_Sym *isym, *isymend;
9ad5cbcf 4468 bfd_size_type amt;
252b5132 4469
45d6a902 4470 internal_relocs = (_bfd_elf_link_read_relocs
09fd220b 4471 (input_bfd, input_section, NULL,
b34976b6 4472 (Elf_Internal_Rela *) NULL, FALSE));
252b5132
RH
4473 if (internal_relocs == NULL)
4474 goto error_return;
4475
6cdc0ccc
AM
4476 if (symtab_hdr->sh_info != 0)
4477 {
4478 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4479 if (isymbuf == NULL)
4480 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4481 symtab_hdr->sh_info, 0,
4482 NULL, NULL, NULL);
4483 if (isymbuf == NULL)
4484 goto error_return;
4485 }
252b5132 4486
9ad5cbcf
AM
4487 amt = symtab_hdr->sh_info;
4488 amt *= sizeof (asection *);
4489 sections = (asection **) bfd_malloc (amt);
4490 if (sections == NULL && amt != 0)
252b5132
RH
4491 goto error_return;
4492
6cdc0ccc
AM
4493 isymend = isymbuf + symtab_hdr->sh_info;
4494 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
252b5132
RH
4495 {
4496 asection *isec;
4497
6cdc0ccc 4498 if (isym->st_shndx == SHN_UNDEF)
252b5132 4499 isec = bfd_und_section_ptr;
6cdc0ccc 4500 else if (isym->st_shndx == SHN_ABS)
252b5132 4501 isec = bfd_abs_section_ptr;
6cdc0ccc 4502 else if (isym->st_shndx == SHN_COMMON)
252b5132
RH
4503 isec = bfd_com_section_ptr;
4504 else
6cdc0ccc 4505 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
252b5132
RH
4506
4507 *secpp = isec;
4508 }
4509
4510 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
4511 input_section, data, internal_relocs,
6cdc0ccc 4512 isymbuf, sections))
252b5132
RH
4513 goto error_return;
4514
4515 if (sections != NULL)
4516 free (sections);
6cdc0ccc
AM
4517 if (isymbuf != NULL
4518 && symtab_hdr->contents != (unsigned char *) isymbuf)
4519 free (isymbuf);
4520 if (elf_section_data (input_section)->relocs != internal_relocs)
252b5132 4521 free (internal_relocs);
252b5132
RH
4522 }
4523
4524 return data;
4525
4526 error_return:
252b5132
RH
4527 if (sections != NULL)
4528 free (sections);
6cdc0ccc
AM
4529 if (isymbuf != NULL
4530 && symtab_hdr->contents != (unsigned char *) isymbuf)
4531 free (isymbuf);
4532 if (internal_relocs != NULL
4533 && elf_section_data (input_section)->relocs != internal_relocs)
4534 free (internal_relocs);
252b5132
RH
4535 return NULL;
4536}
917583ad 4537
3376eaf5
KK
4538/* Return the base VMA address which should be subtracted from real addresses
4539 when resolving @dtpoff relocation.
4540 This is PT_TLS segment p_vaddr. */
4541
4542static bfd_vma
09fd220b 4543dtpoff_base (struct bfd_link_info *info)
3376eaf5 4544{
e1918d23
AM
4545 /* If tls_sec is NULL, we should have signalled an error already. */
4546 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1 4547 return 0;
e1918d23 4548 return elf_hash_table (info)->tls_sec->vma;
3376eaf5
KK
4549}
4550
267fb3c1
KK
4551/* Return the relocation value for R_SH_TLS_TPOFF32.. */
4552
4553static bfd_vma
09fd220b 4554tpoff (struct bfd_link_info *info, bfd_vma address)
267fb3c1 4555{
e1918d23
AM
4556 /* If tls_sec is NULL, we should have signalled an error already. */
4557 if (elf_hash_table (info)->tls_sec == NULL)
267fb3c1
KK
4558 return 0;
4559 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
4560 structure which has 2 pointer fields. */
044ad7e3
KK
4561 return (address - elf_hash_table (info)->tls_sec->vma
4562 + align_power ((bfd_vma) 8,
4563 elf_hash_table (info)->tls_sec->alignment_power));
267fb3c1
KK
4564}
4565
252b5132 4566static asection *
09fd220b 4567sh_elf_gc_mark_hook (asection *sec,
07adf181
AM
4568 struct bfd_link_info *info,
4569 Elf_Internal_Rela *rel,
4570 struct elf_link_hash_entry *h,
09fd220b 4571 Elf_Internal_Sym *sym)
252b5132
RH
4572{
4573 if (h != NULL)
07adf181
AM
4574 switch (ELF32_R_TYPE (rel->r_info))
4575 {
4576 case R_SH_GNU_VTINHERIT:
4577 case R_SH_GNU_VTENTRY:
4578 return NULL;
4579 }
9ad5cbcf 4580
07adf181 4581 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
252b5132
RH
4582}
4583
37c644f2
AO
4584/* Update the got entry reference counts for the section being removed. */
4585
b34976b6 4586static bfd_boolean
09fd220b
KK
4587sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
4588 asection *sec, const Elf_Internal_Rela *relocs)
252b5132 4589{
067653c5
AM
4590 Elf_Internal_Shdr *symtab_hdr;
4591 struct elf_link_hash_entry **sym_hashes;
4592 bfd_signed_vma *local_got_refcounts;
4593 const Elf_Internal_Rela *rel, *relend;
067653c5 4594
7dda2462
TG
4595 if (info->relocatable)
4596 return TRUE;
4597
067653c5
AM
4598 elf_section_data (sec)->local_dynrel = NULL;
4599
0ffa91dd 4600 symtab_hdr = &elf_symtab_hdr (abfd);
067653c5
AM
4601 sym_hashes = elf_sym_hashes (abfd);
4602 local_got_refcounts = elf_local_got_refcounts (abfd);
4603
4604 relend = relocs + sec->reloc_count;
4605 for (rel = relocs; rel < relend; rel++)
396a6083 4606 {
26e41594
AM
4607 unsigned long r_symndx;
4608 unsigned int r_type;
4609 struct elf_link_hash_entry *h = NULL;
396a6083
SC
4610#ifdef INCLUDE_SHMEDIA
4611 int seen_stt_datalabel = 0;
4612#endif
3376eaf5 4613
396a6083 4614 r_symndx = ELF32_R_SYM (rel->r_info);
26e41594 4615 if (r_symndx >= symtab_hdr->sh_info)
396a6083 4616 {
26e41594
AM
4617 struct elf_sh_link_hash_entry *eh;
4618 struct elf_sh_dyn_relocs **pp;
4619 struct elf_sh_dyn_relocs *p;
4620
396a6083 4621 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4622 while (h->root.type == bfd_link_hash_indirect
4623 || h->root.type == bfd_link_hash_warning)
4624 {
3eb128b2 4625#ifdef INCLUDE_SHMEDIA
396a6083 4626 seen_stt_datalabel |= h->type == STT_DATALABEL;
3eb128b2 4627#endif
396a6083
SC
4628 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4629 }
26e41594
AM
4630 eh = (struct elf_sh_link_hash_entry *) h;
4631 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
4632 if (p->sec == sec)
4633 {
4634 /* Everything must go for SEC. */
4635 *pp = p->next;
4636 break;
4637 }
396a6083 4638 }
067653c5 4639
26e41594
AM
4640 r_type = ELF32_R_TYPE (rel->r_info);
4641 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
396a6083
SC
4642 {
4643 case R_SH_TLS_LD_32:
4644 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
4645 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
4646 break;
4647
4648 case R_SH_GOT32:
4649 case R_SH_GOTOFF:
4650 case R_SH_GOTPC:
4651#ifdef INCLUDE_SHMEDIA
4652 case R_SH_GOT_LOW16:
4653 case R_SH_GOT_MEDLOW16:
4654 case R_SH_GOT_MEDHI16:
4655 case R_SH_GOT_HI16:
4656 case R_SH_GOT10BY4:
4657 case R_SH_GOT10BY8:
4658 case R_SH_GOTOFF_LOW16:
4659 case R_SH_GOTOFF_MEDLOW16:
4660 case R_SH_GOTOFF_MEDHI16:
4661 case R_SH_GOTOFF_HI16:
4662 case R_SH_GOTPC_LOW16:
4663 case R_SH_GOTPC_MEDLOW16:
4664 case R_SH_GOTPC_MEDHI16:
4665 case R_SH_GOTPC_HI16:
4666#endif
4667 case R_SH_TLS_GD_32:
4668 case R_SH_TLS_IE_32:
4669 if (h != NULL)
4670 {
4671#ifdef INCLUDE_SHMEDIA
4672 if (seen_stt_datalabel)
4673 {
26e41594
AM
4674 struct elf_sh_link_hash_entry *eh;
4675 eh = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
4676 if (eh->datalabel_got.refcount > 0)
4677 eh->datalabel_got.refcount -= 1;
4678 }
4679 else
4680#endif
4681 if (h->got.refcount > 0)
4682 h->got.refcount -= 1;
4683 }
4684 else if (local_got_refcounts != NULL)
4685 {
4686#ifdef INCLUDE_SHMEDIA
4687 if (rel->r_addend & 1)
4688 {
4689 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4690 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4691 }
4692 else
4693#endif
4694 if (local_got_refcounts[r_symndx] > 0)
4695 local_got_refcounts[r_symndx] -= 1;
4696 }
4697 break;
4698
4699 case R_SH_DIR32:
4700 case R_SH_REL32:
26e41594
AM
4701 if (info->shared)
4702 break;
4703 /* Fall thru */
396a6083
SC
4704
4705 case R_SH_PLT32:
4706#ifdef INCLUDE_SHMEDIA
4707 case R_SH_PLT_LOW16:
4708 case R_SH_PLT_MEDLOW16:
4709 case R_SH_PLT_MEDHI16:
4710 case R_SH_PLT_HI16:
4711#endif
4712 if (h != NULL)
4713 {
4714 if (h->plt.refcount > 0)
4715 h->plt.refcount -= 1;
4716 }
4717 break;
067653c5 4718
396a6083
SC
4719 case R_SH_GOTPLT32:
4720#ifdef INCLUDE_SHMEDIA
4721 case R_SH_GOTPLT_LOW16:
4722 case R_SH_GOTPLT_MEDLOW16:
4723 case R_SH_GOTPLT_MEDHI16:
4724 case R_SH_GOTPLT_HI16:
4725 case R_SH_GOTPLT10BY4:
4726 case R_SH_GOTPLT10BY8:
4727#endif
4728 if (h != NULL)
4729 {
26e41594
AM
4730 struct elf_sh_link_hash_entry *eh;
4731 eh = (struct elf_sh_link_hash_entry *) h;
396a6083 4732 if (eh->gotplt_refcount > 0)
067653c5 4733 {
396a6083
SC
4734 eh->gotplt_refcount -= 1;
4735 if (h->plt.refcount > 0)
4736 h->plt.refcount -= 1;
067653c5 4737 }
067653c5 4738#ifdef INCLUDE_SHMEDIA
396a6083
SC
4739 else if (seen_stt_datalabel)
4740 {
4741 if (eh->datalabel_got.refcount > 0)
4742 eh->datalabel_got.refcount -= 1;
4743 }
067653c5 4744#endif
396a6083
SC
4745 else if (h->got.refcount > 0)
4746 h->got.refcount -= 1;
4747 }
4748 else if (local_got_refcounts != NULL)
4749 {
067653c5 4750#ifdef INCLUDE_SHMEDIA
396a6083
SC
4751 if (rel->r_addend & 1)
4752 {
4753 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4754 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4755 }
4756 else
067653c5 4757#endif
396a6083
SC
4758 if (local_got_refcounts[r_symndx] > 0)
4759 local_got_refcounts[r_symndx] -= 1;
4760 }
4761 break;
067653c5 4762
396a6083
SC
4763 default:
4764 break;
4765 }
4766 }
067653c5 4767
b34976b6 4768 return TRUE;
252b5132
RH
4769}
4770
067653c5
AM
4771/* Copy the extra info we tack onto an elf_link_hash_entry. */
4772
4773static void
fcfa13d2 4774sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
09fd220b
KK
4775 struct elf_link_hash_entry *dir,
4776 struct elf_link_hash_entry *ind)
067653c5
AM
4777{
4778 struct elf_sh_link_hash_entry *edir, *eind;
4779
4780 edir = (struct elf_sh_link_hash_entry *) dir;
4781 eind = (struct elf_sh_link_hash_entry *) ind;
4782
4783 if (eind->dyn_relocs != NULL)
4784 {
4785 if (edir->dyn_relocs != NULL)
4786 {
4787 struct elf_sh_dyn_relocs **pp;
4788 struct elf_sh_dyn_relocs *p;
4789
fcfa13d2 4790 /* Add reloc counts against the indirect sym to the direct sym
067653c5
AM
4791 list. Merge any entries against the same section. */
4792 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
4793 {
4794 struct elf_sh_dyn_relocs *q;
4795
4796 for (q = edir->dyn_relocs; q != NULL; q = q->next)
4797 if (q->sec == p->sec)
4798 {
4799 q->pc_count += p->pc_count;
4800 q->count += p->count;
4801 *pp = p->next;
4802 break;
4803 }
4804 if (q == NULL)
4805 pp = &p->next;
4806 }
4807 *pp = edir->dyn_relocs;
4808 }
4809
4810 edir->dyn_relocs = eind->dyn_relocs;
4811 eind->dyn_relocs = NULL;
4812 }
4989d792
SC
4813 edir->gotplt_refcount = eind->gotplt_refcount;
4814 eind->gotplt_refcount = 0;
396a6083 4815#ifdef INCLUDE_SHMEDIA
fcfa13d2
AM
4816 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
4817 eind->datalabel_got.refcount = 0;
396a6083 4818#endif
067653c5 4819
3376eaf5
KK
4820 if (ind->root.type == bfd_link_hash_indirect
4821 && dir->got.refcount <= 0)
4822 {
4823 edir->tls_type = eind->tls_type;
4824 eind->tls_type = GOT_UNKNOWN;
4825 }
4826
04e534c3 4827 if (ind->root.type != bfd_link_hash_indirect
f5385ebf
AM
4828 && dir->dynamic_adjusted)
4829 {
4830 /* If called to transfer flags for a weakdef during processing
4831 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
4832 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
4833 dir->ref_dynamic |= ind->ref_dynamic;
4834 dir->ref_regular |= ind->ref_regular;
4835 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
4836 dir->needs_plt |= ind->needs_plt;
4837 }
04e534c3 4838 else
fcfa13d2 4839 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
067653c5
AM
4840}
4841
3376eaf5 4842static int
09fd220b
KK
4843sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
4844 int is_local)
3376eaf5
KK
4845{
4846 if (info->shared)
4847 return r_type;
4848
4849 switch (r_type)
4850 {
4851 case R_SH_TLS_GD_32:
4852 case R_SH_TLS_IE_32:
4853 if (is_local)
4854 return R_SH_TLS_LE_32;
4855 return R_SH_TLS_IE_32;
4856 case R_SH_TLS_LD_32:
4857 return R_SH_TLS_LE_32;
4858 }
4859
4860 return r_type;
4861}
4862
252b5132
RH
4863/* Look through the relocs for a section during the first phase.
4864 Since we don't do .gots or .plts, we just need to consider the
4865 virtual table relocs for gc. */
435b1e90 4866
b34976b6 4867static bfd_boolean
09fd220b
KK
4868sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
4869 const Elf_Internal_Rela *relocs)
252b5132
RH
4870{
4871 Elf_Internal_Shdr *symtab_hdr;
5582a088 4872 struct elf_link_hash_entry **sym_hashes;
067653c5 4873 struct elf_sh_link_hash_table *htab;
252b5132
RH
4874 const Elf_Internal_Rela *rel;
4875 const Elf_Internal_Rela *rel_end;
37c644f2
AO
4876 bfd_vma *local_got_offsets;
4877 asection *sgot;
4878 asection *srelgot;
4879 asection *sreloc;
3376eaf5
KK
4880 unsigned int r_type;
4881 int tls_type, old_tls_type;
435b1e90 4882
37c644f2
AO
4883 sgot = NULL;
4884 srelgot = NULL;
4885 sreloc = NULL;
4886
1049f94e 4887 if (info->relocatable)
b34976b6 4888 return TRUE;
435b1e90 4889
0ffa91dd
NC
4890 BFD_ASSERT (is_sh_elf (abfd));
4891
4892 symtab_hdr = &elf_symtab_hdr (abfd);
252b5132 4893 sym_hashes = elf_sym_hashes (abfd);
435b1e90 4894
067653c5 4895 htab = sh_elf_hash_table (info);
37c644f2
AO
4896 local_got_offsets = elf_local_got_offsets (abfd);
4897
252b5132
RH
4898 rel_end = relocs + sec->reloc_count;
4899 for (rel = relocs; rel < rel_end; rel++)
4900 {
4901 struct elf_link_hash_entry *h;
4902 unsigned long r_symndx;
396a6083
SC
4903#ifdef INCLUDE_SHMEDIA
4904 int seen_stt_datalabel = 0;
4905#endif
435b1e90 4906
252b5132 4907 r_symndx = ELF32_R_SYM (rel->r_info);
3376eaf5
KK
4908 r_type = ELF32_R_TYPE (rel->r_info);
4909
252b5132 4910 if (r_symndx < symtab_hdr->sh_info)
435b1e90 4911 h = NULL;
252b5132 4912 else
396a6083
SC
4913 {
4914 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
396a6083
SC
4915 while (h->root.type == bfd_link_hash_indirect
4916 || h->root.type == bfd_link_hash_warning)
4917 {
973a3492 4918#ifdef INCLUDE_SHMEDIA
396a6083 4919 seen_stt_datalabel |= h->type == STT_DATALABEL;
973a3492 4920#endif
396a6083
SC
4921 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4922 }
396a6083 4923 }
435b1e90 4924
3376eaf5
KK
4925 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4926 if (! info->shared
4927 && r_type == R_SH_TLS_IE_32
4928 && h != NULL
4929 && h->root.type != bfd_link_hash_undefined
4930 && h->root.type != bfd_link_hash_undefweak
4931 && (h->dynindx == -1
f5385ebf 4932 || h->def_regular))
3376eaf5
KK
4933 r_type = R_SH_TLS_LE_32;
4934
37c644f2 4935 /* Some relocs require a global offset table. */
067653c5 4936 if (htab->sgot == NULL)
37c644f2 4937 {
3376eaf5 4938 switch (r_type)
37c644f2 4939 {
fbca6ad9 4940 case R_SH_GOTPLT32:
37c644f2
AO
4941 case R_SH_GOT32:
4942 case R_SH_GOTOFF:
4943 case R_SH_GOTPC:
fbca6ad9
AO
4944#ifdef INCLUDE_SHMEDIA
4945 case R_SH_GOTPLT_LOW16:
4946 case R_SH_GOTPLT_MEDLOW16:
4947 case R_SH_GOTPLT_MEDHI16:
4948 case R_SH_GOTPLT_HI16:
4949 case R_SH_GOTPLT10BY4:
4950 case R_SH_GOTPLT10BY8:
4951 case R_SH_GOT_LOW16:
4952 case R_SH_GOT_MEDLOW16:
4953 case R_SH_GOT_MEDHI16:
4954 case R_SH_GOT_HI16:
4955 case R_SH_GOT10BY4:
4956 case R_SH_GOT10BY8:
4957 case R_SH_GOTOFF_LOW16:
4958 case R_SH_GOTOFF_MEDLOW16:
4959 case R_SH_GOTOFF_MEDHI16:
4960 case R_SH_GOTOFF_HI16:
4961 case R_SH_GOTPC_LOW16:
4962 case R_SH_GOTPC_MEDLOW16:
4963 case R_SH_GOTPC_MEDHI16:
4964 case R_SH_GOTPC_HI16:
4965#endif
3376eaf5
KK
4966 case R_SH_TLS_GD_32:
4967 case R_SH_TLS_LD_32:
4968 case R_SH_TLS_IE_32:
2293c499
AM
4969 if (htab->sgot == NULL)
4970 {
4971 if (htab->root.dynobj == NULL)
4972 htab->root.dynobj = abfd;
4973 if (!create_got_section (htab->root.dynobj, info))
4974 return FALSE;
4975 }
37c644f2
AO
4976 break;
4977
4978 default:
4979 break;
4980 }
4981 }
4982
3376eaf5 4983 switch (r_type)
067653c5
AM
4984 {
4985 /* This relocation describes the C++ object vtable hierarchy.
4986 Reconstruct it for later use during GC. */
435b1e90 4987 case R_SH_GNU_VTINHERIT:
c152c796 4988 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 4989 return FALSE;
435b1e90
KH
4990 break;
4991
067653c5
AM
4992 /* This relocation describes which C++ vtable entries are actually
4993 used. Record for later use during GC. */
435b1e90 4994 case R_SH_GNU_VTENTRY:
d17e0c6e
JB
4995 BFD_ASSERT (h != NULL);
4996 if (h != NULL
4997 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 4998 return FALSE;
435b1e90 4999 break;
37c644f2 5000
3376eaf5
KK
5001 case R_SH_TLS_IE_32:
5002 if (info->shared)
5003 info->flags |= DF_STATIC_TLS;
5004
5005 /* FALLTHROUGH */
267fb3c1 5006 force_got:
3376eaf5 5007 case R_SH_TLS_GD_32:
37c644f2 5008 case R_SH_GOT32:
fbca6ad9
AO
5009#ifdef INCLUDE_SHMEDIA
5010 case R_SH_GOT_LOW16:
5011 case R_SH_GOT_MEDLOW16:
5012 case R_SH_GOT_MEDHI16:
5013 case R_SH_GOT_HI16:
5014 case R_SH_GOT10BY4:
5015 case R_SH_GOT10BY8:
5016#endif
3376eaf5
KK
5017 switch (r_type)
5018 {
5019 default:
5020 tls_type = GOT_NORMAL;
5021 break;
5022 case R_SH_TLS_GD_32:
5023 tls_type = GOT_TLS_GD;
5024 break;
5025 case R_SH_TLS_IE_32:
5026 tls_type = GOT_TLS_IE;
5027 break;
5028 }
5029
37c644f2 5030 if (h != NULL)
3376eaf5 5031 {
396a6083
SC
5032#ifdef INCLUDE_SHMEDIA
5033 if (seen_stt_datalabel)
5034 {
b34976b6
AM
5035 struct elf_sh_link_hash_entry *eh
5036 = (struct elf_sh_link_hash_entry *) h;
396a6083
SC
5037
5038 eh->datalabel_got.refcount += 1;
5039 }
5040 else
5041#endif
5042 h->got.refcount += 1;
3376eaf5
KK
5043 old_tls_type = sh_elf_hash_entry (h)->tls_type;
5044 }
37c644f2
AO
5045 else
5046 {
067653c5
AM
5047 bfd_signed_vma *local_got_refcounts;
5048
435b1e90 5049 /* This is a global offset table entry for a local
067653c5
AM
5050 symbol. */
5051 local_got_refcounts = elf_local_got_refcounts (abfd);
5052 if (local_got_refcounts == NULL)
37c644f2 5053 {
dc810e39 5054 bfd_size_type size;
37c644f2 5055
dc810e39 5056 size = symtab_hdr->sh_info;
067653c5 5057 size *= sizeof (bfd_signed_vma);
fbca6ad9
AO
5058#ifdef INCLUDE_SHMEDIA
5059 /* Reserve space for both the datalabel and
5060 codelabel local GOT offsets. */
5061 size *= 2;
5062#endif
3376eaf5 5063 size += symtab_hdr->sh_info;
067653c5
AM
5064 local_got_refcounts = ((bfd_signed_vma *)
5065 bfd_zalloc (abfd, size));
5066 if (local_got_refcounts == NULL)
b34976b6 5067 return FALSE;
067653c5 5068 elf_local_got_refcounts (abfd) = local_got_refcounts;
3376eaf5
KK
5069#ifdef INCLUDE_SHMEDIA
5070 /* Take care of both the datalabel and codelabel local
5071 GOT offsets. */
5072 sh_elf_local_got_tls_type (abfd)
5073 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
5074#else
5075 sh_elf_local_got_tls_type (abfd)
5076 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
5077#endif
37c644f2 5078 }
396a6083
SC
5079#ifdef INCLUDE_SHMEDIA
5080 if (rel->r_addend & 1)
5081 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
5082 else
5083#endif
5084 local_got_refcounts[r_symndx] += 1;
3376eaf5
KK
5085 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
5086 }
5087
5088 /* If a TLS symbol is accessed using IE at least once,
5089 there is no point to use dynamic model for it. */
5090 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
5091 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
5092 {
5093 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
5094 tls_type = GOT_TLS_IE;
5095 else
5096 {
5097 (*_bfd_error_handler)
d003868e
AM
5098 (_("%B: `%s' accessed both as normal and thread local symbol"),
5099 abfd, h->root.root.string);
b34976b6 5100 return FALSE;
3376eaf5
KK
5101 }
5102 }
5103
5104 if (old_tls_type != tls_type)
5105 {
5106 if (h != NULL)
5107 sh_elf_hash_entry (h)->tls_type = tls_type;
5108 else
5109 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
37c644f2 5110 }
3376eaf5
KK
5111
5112 break;
5113
5114 case R_SH_TLS_LD_32:
5115 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
37c644f2
AO
5116 break;
5117
fbca6ad9
AO
5118 case R_SH_GOTPLT32:
5119#ifdef INCLUDE_SHMEDIA
5120 case R_SH_GOTPLT_LOW16:
5121 case R_SH_GOTPLT_MEDLOW16:
5122 case R_SH_GOTPLT_MEDHI16:
5123 case R_SH_GOTPLT_HI16:
5124 case R_SH_GOTPLT10BY4:
5125 case R_SH_GOTPLT10BY8:
5126#endif
5127 /* If this is a local symbol, we resolve it directly without
5128 creating a procedure linkage table entry. */
5129
5130 if (h == NULL
f5385ebf 5131 || h->forced_local
fbca6ad9
AO
5132 || ! info->shared
5133 || info->symbolic
067653c5 5134 || h->dynindx == -1)
fbca6ad9
AO
5135 goto force_got;
5136
f5385ebf 5137 h->needs_plt = 1;
067653c5 5138 h->plt.refcount += 1;
4989d792 5139 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
fbca6ad9
AO
5140
5141 break;
5142
37c644f2 5143 case R_SH_PLT32:
fbca6ad9
AO
5144#ifdef INCLUDE_SHMEDIA
5145 case R_SH_PLT_LOW16:
5146 case R_SH_PLT_MEDLOW16:
5147 case R_SH_PLT_MEDHI16:
5148 case R_SH_PLT_HI16:
5149#endif
37c644f2
AO
5150 /* This symbol requires a procedure linkage table entry. We
5151 actually build the entry in adjust_dynamic_symbol,
5152 because this might be a case of linking PIC code which is
5153 never referenced by a dynamic object, in which case we
5154 don't need to generate a procedure linkage table entry
5155 after all. */
5156
5157 /* If this is a local symbol, we resolve it directly without
5158 creating a procedure linkage table entry. */
5159 if (h == NULL)
5160 continue;
5161
f5385ebf 5162 if (h->forced_local)
37c644f2
AO
5163 break;
5164
f5385ebf 5165 h->needs_plt = 1;
067653c5 5166 h->plt.refcount += 1;
37c644f2
AO
5167 break;
5168
5169 case R_SH_DIR32:
5170 case R_SH_REL32:
46e993b9
KK
5171#ifdef INCLUDE_SHMEDIA
5172 case R_SH_IMM_LOW16_PCREL:
5173 case R_SH_IMM_MEDLOW16_PCREL:
5174 case R_SH_IMM_MEDHI16_PCREL:
5175 case R_SH_IMM_HI16_PCREL:
5176#endif
067653c5
AM
5177 if (h != NULL && ! info->shared)
5178 {
f5385ebf 5179 h->non_got_ref = 1;
067653c5
AM
5180 h->plt.refcount += 1;
5181 }
37c644f2
AO
5182
5183 /* If we are creating a shared library, and this is a reloc
5184 against a global symbol, or a non PC relative reloc
5185 against a local symbol, then we need to copy the reloc
5186 into the shared library. However, if we are linking with
5187 -Bsymbolic, we do not need to copy a reloc against a
5188 global symbol which is defined in an object we are
5189 including in the link (i.e., DEF_REGULAR is set). At
5190 this point we have not seen all the input files, so it is
5191 possible that DEF_REGULAR is not set now but will be set
5192 later (it is never cleared). We account for that
5193 possibility below by storing information in the
067653c5
AM
5194 dyn_relocs field of the hash table entry. A similar
5195 situation occurs when creating shared libraries and symbol
5196 visibility changes render the symbol local.
5197
5198 If on the other hand, we are creating an executable, we
5199 may need to keep relocations for symbols satisfied by a
5200 dynamic library if we manage to avoid copy relocs for the
5201 symbol. */
5202 if ((info->shared
5203 && (sec->flags & SEC_ALLOC) != 0
3376eaf5 5204 && (r_type != R_SH_REL32
067653c5
AM
5205 || (h != NULL
5206 && (! info->symbolic
5207 || h->root.type == bfd_link_hash_defweak
f5385ebf 5208 || !h->def_regular))))
067653c5
AM
5209 || (! info->shared
5210 && (sec->flags & SEC_ALLOC) != 0
5211 && h != NULL
5212 && (h->root.type == bfd_link_hash_defweak
f5385ebf 5213 || !h->def_regular)))
37c644f2 5214 {
067653c5
AM
5215 struct elf_sh_dyn_relocs *p;
5216 struct elf_sh_dyn_relocs **head;
5217
2293c499
AM
5218 if (htab->root.dynobj == NULL)
5219 htab->root.dynobj = abfd;
067653c5 5220
37c644f2
AO
5221 /* When creating a shared object, we must copy these
5222 reloc types into the output file. We create a reloc
5223 section in dynobj and make room for this reloc. */
5224 if (sreloc == NULL)
5225 {
5226 const char *name;
5227
5228 name = (bfd_elf_string_from_elf_section
5229 (abfd,
5230 elf_elfheader (abfd)->e_shstrndx,
5231 elf_section_data (sec)->rel_hdr.sh_name));
5232 if (name == NULL)
b34976b6 5233 return FALSE;
37c644f2 5234
0112cd26 5235 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
37c644f2
AO
5236 && strcmp (bfd_get_section_name (abfd, sec),
5237 name + 5) == 0);
5238
2293c499 5239 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
37c644f2
AO
5240 if (sreloc == NULL)
5241 {
5242 flagword flags;
5243
37c644f2
AO
5244 flags = (SEC_HAS_CONTENTS | SEC_READONLY
5245 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
5246 if ((sec->flags & SEC_ALLOC) != 0)
5247 flags |= SEC_ALLOC | SEC_LOAD;
3496cb2a
L
5248 sreloc = bfd_make_section_with_flags (htab->root.dynobj,
5249 name,
5250 flags);
37c644f2 5251 if (sreloc == NULL
2293c499
AM
5252 || ! bfd_set_section_alignment (htab->root.dynobj,
5253 sreloc, 2))
b34976b6 5254 return FALSE;
37c644f2 5255 }
067653c5 5256 elf_section_data (sec)->sreloc = sreloc;
37c644f2
AO
5257 }
5258
067653c5
AM
5259 /* If this is a global symbol, we count the number of
5260 relocations we need for this symbol. */
5261 if (h != NULL)
5262 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5263 else
37c644f2 5264 {
067653c5 5265 asection *s;
6edfbbad 5266 void *vpp;
37c644f2 5267
067653c5
AM
5268 /* Track dynamic relocs needed for local syms too. */
5269 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
5270 sec, r_symndx);
5271 if (s == NULL)
b34976b6 5272 return FALSE;
37c644f2 5273
6edfbbad
DJ
5274 vpp = &elf_section_data (s)->local_dynrel;
5275 head = (struct elf_sh_dyn_relocs **) vpp;
067653c5 5276 }
37c644f2 5277
067653c5
AM
5278 p = *head;
5279 if (p == NULL || p->sec != sec)
5280 {
5281 bfd_size_type amt = sizeof (*p);
2293c499 5282 p = bfd_alloc (htab->root.dynobj, amt);
37c644f2 5283 if (p == NULL)
b34976b6 5284 return FALSE;
067653c5
AM
5285 p->next = *head;
5286 *head = p;
5287 p->sec = sec;
5288 p->count = 0;
5289 p->pc_count = 0;
37c644f2 5290 }
067653c5
AM
5291
5292 p->count += 1;
46e993b9
KK
5293 if (r_type == R_SH_REL32
5294#ifdef INCLUDE_SHMEDIA
5295 || r_type == R_SH_IMM_LOW16_PCREL
5296 || r_type == R_SH_IMM_MEDLOW16_PCREL
5297 || r_type == R_SH_IMM_MEDHI16_PCREL
5298 || r_type == R_SH_IMM_HI16_PCREL
5299#endif
5300 )
067653c5 5301 p->pc_count += 1;
37c644f2
AO
5302 }
5303
5304 break;
3376eaf5
KK
5305
5306 case R_SH_TLS_LE_32:
5307 if (info->shared)
5308 {
d003868e
AM
5309 (*_bfd_error_handler)
5310 (_("%B: TLS local exec code cannot be linked into shared objects"),
5311 abfd);
b34976b6 5312 return FALSE;
3376eaf5
KK
5313 }
5314
267fb3c1 5315 break;
3376eaf5 5316
3376eaf5 5317 case R_SH_TLS_LDO_32:
267fb3c1 5318 /* Nothing to do. */
3376eaf5
KK
5319 break;
5320
5321 default:
5322 break;
435b1e90 5323 }
252b5132 5324 }
435b1e90 5325
b34976b6 5326 return TRUE;
252b5132
RH
5327}
5328
fbca6ad9 5329#ifndef sh_elf_set_mach_from_flags
f6f9408f
JR
5330static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5331
b34976b6 5332static bfd_boolean
09fd220b 5333sh_elf_set_mach_from_flags (bfd *abfd)
d4845d57 5334{
f6f9408f
JR
5335 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5336
5337 if (flags >= sizeof(sh_ef_bfd_table))
5338 return FALSE;
5339
5340 if (sh_ef_bfd_table[flags] == 0)
5341 return FALSE;
5342
5343 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
d4845d57 5344
b34976b6 5345 return TRUE;
d4845d57 5346}
f6f9408f
JR
5347
5348
5349/* Reverse table lookup for sh_ef_bfd_table[].
5350 Given a bfd MACH value from archures.c
5351 return the equivalent ELF flags from the table.
5352 Return -1 if no match is found. */
5353
5354int
5355sh_elf_get_flags_from_mach (unsigned long mach)
5356{
4195f552 5357 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
f6f9408f
JR
5358
5359 for (; i>0; i--)
5360 if (sh_ef_bfd_table[i] == mach)
5361 return i;
5362
5363 /* shouldn't get here */
5364 BFD_FAIL();
5365
5366 return -1;
5367}
fbca6ad9 5368#endif /* not sh_elf_set_mach_from_flags */
d4845d57 5369
fbca6ad9 5370#ifndef sh_elf_set_private_flags
435b1e90
KH
5371/* Function to keep SH specific file flags. */
5372
b34976b6 5373static bfd_boolean
09fd220b 5374sh_elf_set_private_flags (bfd *abfd, flagword flags)
d4845d57
JR
5375{
5376 BFD_ASSERT (! elf_flags_init (abfd)
5377 || elf_elfheader (abfd)->e_flags == flags);
5378
5379 elf_elfheader (abfd)->e_flags = flags;
b34976b6 5380 elf_flags_init (abfd) = TRUE;
d4845d57
JR
5381 return sh_elf_set_mach_from_flags (abfd);
5382}
fbca6ad9 5383#endif /* not sh_elf_set_private_flags */
d4845d57 5384
fbca6ad9 5385#ifndef sh_elf_copy_private_data
d4845d57 5386/* Copy backend specific data from one object module to another */
435b1e90 5387
b34976b6 5388static bfd_boolean
09fd220b 5389sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
d4845d57 5390{
104d59d1
JM
5391 /* Copy object attributes. */
5392 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5393
0ffa91dd
NC
5394 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5395 return TRUE;
5396
d4845d57
JR
5397 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
5398}
fbca6ad9 5399#endif /* not sh_elf_copy_private_data */
d4845d57 5400
fbca6ad9 5401#ifndef sh_elf_merge_private_data
d4845d57 5402
f6f9408f
JR
5403/* This function returns the ELF architecture number that
5404 corresponds to the given arch_sh* flags. */
85fbca6a 5405
f6f9408f
JR
5406int
5407sh_find_elf_flags (unsigned int arch_set)
d4845d57 5408{
85fbca6a 5409 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
f6f9408f 5410 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
d4845d57 5411
f6f9408f
JR
5412 return sh_elf_get_flags_from_mach (bfd_mach);
5413}
f6f9408f
JR
5414
5415/* This routine initialises the elf flags when required and
5416 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
d4845d57 5417
f6f9408f
JR
5418static bfd_boolean
5419sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
5420{
85fbca6a
NC
5421 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
5422
0ffa91dd 5423 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
b34976b6 5424 return TRUE;
d4845d57
JR
5425
5426 if (! elf_flags_init (obfd))
5427 {
a39b79b9 5428 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 5429 elf_flags_init (obfd) = TRUE;
a39b79b9 5430 elf_elfheader (obfd)->e_flags = EF_SH1;
f6f9408f 5431 sh_elf_set_mach_from_flags (obfd);
d4845d57 5432 }
d4845d57 5433
85fbca6a 5434 if (! sh_merge_bfd_arch (ibfd, obfd))
1d70c7fb 5435 {
d003868e 5436 _bfd_error_handler ("%B: uses instructions which are incompatible "
1d70c7fb 5437 "with instructions used in previous modules",
d003868e 5438 ibfd);
1d70c7fb
AO
5439 bfd_set_error (bfd_error_bad_value);
5440 return FALSE;
5441 }
f6f9408f
JR
5442
5443 elf_elfheader (obfd)->e_flags =
5444 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
5445
5446 return TRUE;
d4845d57 5447}
fbca6ad9 5448#endif /* not sh_elf_merge_private_data */
d4845d57 5449
3376eaf5
KK
5450/* Override the generic function because we need to store sh_elf_obj_tdata
5451 as the specific tdata. We set also the machine architecture from flags
5452 here. */
5453
b34976b6 5454static bfd_boolean
09fd220b 5455sh_elf_object_p (bfd *abfd)
3376eaf5 5456{
66becf32 5457 return sh_elf_set_mach_from_flags (abfd);
3376eaf5
KK
5458}
5459
37c644f2
AO
5460/* Finish up dynamic symbol handling. We set the contents of various
5461 dynamic sections here. */
5462
b34976b6 5463static bfd_boolean
09fd220b
KK
5464sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
5465 struct elf_link_hash_entry *h,
5466 Elf_Internal_Sym *sym)
37c644f2 5467{
067653c5 5468 struct elf_sh_link_hash_table *htab;
37c644f2 5469
067653c5 5470 htab = sh_elf_hash_table (info);
37c644f2
AO
5471
5472 if (h->plt.offset != (bfd_vma) -1)
5473 {
5474 asection *splt;
5475 asection *sgot;
5476 asection *srel;
5477
5478 bfd_vma plt_index;
5479 bfd_vma got_offset;
5480 Elf_Internal_Rela rel;
947216bf 5481 bfd_byte *loc;
37c644f2
AO
5482
5483 /* This symbol has an entry in the procedure linkage table. Set
5484 it up. */
5485
5486 BFD_ASSERT (h->dynindx != -1);
5487
067653c5
AM
5488 splt = htab->splt;
5489 sgot = htab->sgotplt;
5490 srel = htab->srelplt;
37c644f2
AO
5491 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5492
5493 /* Get the index in the procedure linkage table which
5494 corresponds to this symbol. This is the index of this symbol
5495 in all the symbols for which we are making plt entries. The
5496 first entry in the procedure linkage table is reserved. */
55e6e397 5497 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
37c644f2
AO
5498
5499 /* Get the offset into the .got table of the entry that
5500 corresponds to this function. Each .got entry is 4 bytes.
5501 The first three are reserved. */
5502 got_offset = (plt_index + 3) * 4;
5503
fbca6ad9 5504#ifdef GOT_BIAS
c8614e8e
AM
5505 if (info->shared)
5506 got_offset -= GOT_BIAS;
fbca6ad9
AO
5507#endif
5508
37c644f2 5509 /* Fill in the entry in the procedure linkage table. */
55e6e397
RS
5510 memcpy (splt->contents + h->plt.offset,
5511 htab->plt_info->symbol_entry,
5512 htab->plt_info->symbol_entry_size);
5513
5514 if (info->shared)
5515 install_plt_field (output_bfd, FALSE, got_offset,
5516 (splt->contents
5517 + h->plt.offset
5518 + htab->plt_info->symbol_fields.got_entry));
5519 else
37c644f2 5520 {
55e6e397 5521 install_plt_field (output_bfd, FALSE,
fbca6ad9
AO
5522 (sgot->output_section->vma
5523 + sgot->output_offset
5524 + got_offset),
55e6e397
RS
5525 (splt->contents
5526 + h->plt.offset
5527 + htab->plt_info->symbol_fields.got_entry));
5528 if (htab->vxworks_p)
37c644f2 5529 {
55e6e397
RS
5530 unsigned int reachable_plts, plts_per_4k;
5531 int distance;
5532
5533 /* Divide the PLT into groups. The first group contains
5534 REACHABLE_PLTS entries and the other groups contain
5535 PLTS_PER_4K entries. Entries in the first group can
5536 branch directly to .plt; those in later groups branch
5537 to the last element of the previous group. */
5538 /* ??? It would be better to create multiple copies of
5539 the common resolver stub. */
5540 reachable_plts = ((4096
5541 - htab->plt_info->plt0_entry_size
5542 - (htab->plt_info->symbol_fields.plt + 4))
5543 / htab->plt_info->symbol_entry_size) + 1;
5544 plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
5545 if (plt_index < reachable_plts)
5546 distance = -(h->plt.offset
5547 + htab->plt_info->symbol_fields.plt);
5548 else
5549 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
5550 * htab->plt_info->symbol_entry_size);
5551
5552 /* Install the 'bra' with this offset. */
5553 bfd_put_16 (output_bfd,
5554 0xa000 | (0x0fff & ((distance - 4) / 2)),
5555 (splt->contents
5556 + h->plt.offset
5557 + htab->plt_info->symbol_fields.plt));
37c644f2 5558 }
55e6e397
RS
5559 else
5560 install_plt_field (output_bfd, TRUE,
5561 splt->output_section->vma + splt->output_offset,
5562 (splt->contents
5563 + h->plt.offset
5564 + htab->plt_info->symbol_fields.plt));
37c644f2
AO
5565 }
5566
fbca6ad9 5567#ifdef GOT_BIAS
c8614e8e
AM
5568 if (info->shared)
5569 got_offset += GOT_BIAS;
fbca6ad9
AO
5570#endif
5571
55e6e397 5572 install_plt_field (output_bfd, FALSE,
fbca6ad9 5573 plt_index * sizeof (Elf32_External_Rela),
55e6e397
RS
5574 (splt->contents
5575 + h->plt.offset
5576 + htab->plt_info->symbol_fields.reloc_offset));
37c644f2
AO
5577
5578 /* Fill in the entry in the global offset table. */
5579 bfd_put_32 (output_bfd,
5580 (splt->output_section->vma
5581 + splt->output_offset
5582 + h->plt.offset
55e6e397 5583 + htab->plt_info->symbol_resolve_offset),
37c644f2
AO
5584 sgot->contents + got_offset);
5585
5586 /* Fill in the entry in the .rela.plt section. */
5587 rel.r_offset = (sgot->output_section->vma
5588 + sgot->output_offset
5589 + got_offset);
5590 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
5591 rel.r_addend = 0;
fbca6ad9
AO
5592#ifdef GOT_BIAS
5593 rel.r_addend = GOT_BIAS;
5594#endif
947216bf
AM
5595 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
5596 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2 5597
55e6e397
RS
5598 if (htab->vxworks_p && !info->shared)
5599 {
5600 /* Create the .rela.plt.unloaded relocations for this PLT entry.
5601 Begin by pointing LOC to the first such relocation. */
5602 loc = (htab->srelplt2->contents
5603 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
5604
5605 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
5606 for the PLT entry's pointer to the .got.plt entry. */
5607 rel.r_offset = (htab->splt->output_section->vma
5608 + htab->splt->output_offset
5609 + h->plt.offset
5610 + htab->plt_info->symbol_fields.got_entry);
5611 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5612 rel.r_addend = got_offset;
5613 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5614 loc += sizeof (Elf32_External_Rela);
5615
5616 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
5617 the .got.plt entry, which initially points to .plt. */
5618 rel.r_offset = (htab->sgotplt->output_section->vma
5619 + htab->sgotplt->output_offset
5620 + got_offset);
5621 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
5622 rel.r_addend = 0;
5623 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5624 }
5625
f5385ebf 5626 if (!h->def_regular)
37c644f2
AO
5627 {
5628 /* Mark the symbol as undefined, rather than as defined in
5629 the .plt section. Leave the value alone. */
5630 sym->st_shndx = SHN_UNDEF;
5631 }
5632 }
5633
3376eaf5
KK
5634 if (h->got.offset != (bfd_vma) -1
5635 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
5636 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
37c644f2
AO
5637 {
5638 asection *sgot;
5639 asection *srel;
5640 Elf_Internal_Rela rel;
947216bf 5641 bfd_byte *loc;
37c644f2
AO
5642
5643 /* This symbol has an entry in the global offset table. Set it
5644 up. */
5645
067653c5
AM
5646 sgot = htab->sgot;
5647 srel = htab->srelgot;
37c644f2
AO
5648 BFD_ASSERT (sgot != NULL && srel != NULL);
5649
5650 rel.r_offset = (sgot->output_section->vma
5651 + sgot->output_offset
dc810e39 5652 + (h->got.offset &~ (bfd_vma) 1));
37c644f2 5653
067653c5
AM
5654 /* If this is a static link, or it is a -Bsymbolic link and the
5655 symbol is defined locally or was forced to be local because
5656 of a version file, we just want to emit a RELATIVE reloc.
37c644f2
AO
5657 The entry in the global offset table will already have been
5658 initialized in the relocate_section function. */
5659 if (info->shared
3d85aebe 5660 && SYMBOL_REFERENCES_LOCAL (info, h))
37c644f2
AO
5661 {
5662 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5663 rel.r_addend = (h->root.u.def.value
5664 + h->root.u.def.section->output_section->vma
5665 + h->root.u.def.section->output_offset);
5666 }
5667 else
5668 {
5669 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5670 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5671 rel.r_addend = 0;
5672 }
5673
947216bf
AM
5674 loc = srel->contents;
5675 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5676 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5677 }
5678
396a6083
SC
5679#ifdef INCLUDE_SHMEDIA
5680 {
5681 struct elf_sh_link_hash_entry *eh;
5682
5683 eh = (struct elf_sh_link_hash_entry *) h;
5684 if (eh->datalabel_got.offset != (bfd_vma) -1)
5685 {
5686 asection *sgot;
5687 asection *srel;
5688 Elf_Internal_Rela rel;
947216bf 5689 bfd_byte *loc;
396a6083
SC
5690
5691 /* This symbol has a datalabel entry in the global offset table.
5692 Set it up. */
5693
5694 sgot = htab->sgot;
5695 srel = htab->srelgot;
5696 BFD_ASSERT (sgot != NULL && srel != NULL);
5697
5698 rel.r_offset = (sgot->output_section->vma
5699 + sgot->output_offset
5700 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
5701
5702 /* If this is a static link, or it is a -Bsymbolic link and the
5703 symbol is defined locally or was forced to be local because
5704 of a version file, we just want to emit a RELATIVE reloc.
5705 The entry in the global offset table will already have been
5706 initialized in the relocate_section function. */
5707 if (info->shared
3d85aebe 5708 && SYMBOL_REFERENCES_LOCAL (info, h))
396a6083
SC
5709 {
5710 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5711 rel.r_addend = (h->root.u.def.value
5712 + h->root.u.def.section->output_section->vma
5713 + h->root.u.def.section->output_offset);
5714 }
5715 else
5716 {
5717 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
5718 + eh->datalabel_got.offset);
5719 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5720 rel.r_addend = 0;
5721 }
5722
947216bf
AM
5723 loc = srel->contents;
5724 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5725 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
396a6083
SC
5726 }
5727 }
5728#endif
5729
f5385ebf 5730 if (h->needs_copy)
37c644f2
AO
5731 {
5732 asection *s;
5733 Elf_Internal_Rela rel;
947216bf 5734 bfd_byte *loc;
37c644f2
AO
5735
5736 /* This symbol needs a copy reloc. Set it up. */
5737
5738 BFD_ASSERT (h->dynindx != -1
5739 && (h->root.type == bfd_link_hash_defined
5740 || h->root.type == bfd_link_hash_defweak));
5741
5742 s = bfd_get_section_by_name (h->root.u.def.section->owner,
5743 ".rela.bss");
5744 BFD_ASSERT (s != NULL);
5745
5746 rel.r_offset = (h->root.u.def.value
5747 + h->root.u.def.section->output_section->vma
5748 + h->root.u.def.section->output_offset);
5749 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
5750 rel.r_addend = 0;
947216bf
AM
5751 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
5752 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
37c644f2
AO
5753 }
5754
55e6e397
RS
5755 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
5756 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
5757 ".got" section. */
37c644f2 5758 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
55e6e397 5759 || (!htab->vxworks_p && h == htab->root.hgot))
37c644f2
AO
5760 sym->st_shndx = SHN_ABS;
5761
b34976b6 5762 return TRUE;
37c644f2
AO
5763}
5764
5765/* Finish up the dynamic sections. */
5766
b34976b6 5767static bfd_boolean
09fd220b 5768sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
37c644f2 5769{
067653c5 5770 struct elf_sh_link_hash_table *htab;
37c644f2
AO
5771 asection *sgot;
5772 asection *sdyn;
5773
067653c5 5774 htab = sh_elf_hash_table (info);
067653c5 5775 sgot = htab->sgotplt;
2293c499 5776 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
37c644f2 5777
067653c5 5778 if (htab->root.dynamic_sections_created)
37c644f2
AO
5779 {
5780 asection *splt;
5781 Elf32_External_Dyn *dyncon, *dynconend;
5782
067653c5 5783 BFD_ASSERT (sgot != NULL && sdyn != NULL);
37c644f2
AO
5784
5785 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 5786 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
37c644f2
AO
5787 for (; dyncon < dynconend; dyncon++)
5788 {
5789 Elf_Internal_Dyn dyn;
37c644f2 5790 asection *s;
067653c5
AM
5791#ifdef INCLUDE_SHMEDIA
5792 const char *name;
5793#endif
37c644f2 5794
2293c499 5795 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
37c644f2
AO
5796
5797 switch (dyn.d_tag)
5798 {
5799 default:
7a2b07ff
NS
5800 if (htab->vxworks_p
5801 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
5802 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
37c644f2
AO
5803 break;
5804
3b587c71
AM
5805#ifdef INCLUDE_SHMEDIA
5806 case DT_INIT:
5807 name = info->init_function;
5808 goto get_sym;
5809
5810 case DT_FINI:
5811 name = info->fini_function;
5812 get_sym:
5813 if (dyn.d_un.d_val != 0)
5814 {
067653c5
AM
5815 struct elf_link_hash_entry *h;
5816
5817 h = elf_link_hash_lookup (&htab->root, name,
b34976b6 5818 FALSE, FALSE, TRUE);
3b587c71
AM
5819 if (h != NULL && (h->other & STO_SH5_ISA32))
5820 {
5821 dyn.d_un.d_val |= 1;
5822 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5823 }
5824 }
5825 break;
5826#endif
5827
37c644f2 5828 case DT_PLTGOT:
067653c5 5829 s = htab->sgot->output_section;
37c644f2
AO
5830 goto get_vma;
5831
5832 case DT_JMPREL:
067653c5 5833 s = htab->srelplt->output_section;
37c644f2 5834 get_vma:
37c644f2
AO
5835 BFD_ASSERT (s != NULL);
5836 dyn.d_un.d_ptr = s->vma;
5837 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5838 break;
5839
5840 case DT_PLTRELSZ:
067653c5 5841 s = htab->srelplt->output_section;
37c644f2 5842 BFD_ASSERT (s != NULL);
eea6121a 5843 dyn.d_un.d_val = s->size;
37c644f2
AO
5844 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5845 break;
5846
5847 case DT_RELASZ:
5848 /* My reading of the SVR4 ABI indicates that the
5849 procedure linkage table relocs (DT_JMPREL) should be
5850 included in the overall relocs (DT_RELA). This is
5851 what Solaris does. However, UnixWare can not handle
5852 that case. Therefore, we override the DT_RELASZ entry
5853 here to make it not include the JMPREL relocs. Since
5854 the linker script arranges for .rela.plt to follow all
5855 other relocation sections, we don't have to worry
5856 about changing the DT_RELA entry. */
067653c5 5857 if (htab->srelplt != NULL)
37c644f2 5858 {
067653c5 5859 s = htab->srelplt->output_section;
eea6121a 5860 dyn.d_un.d_val -= s->size;
37c644f2
AO
5861 }
5862 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5863 break;
5864 }
5865 }
5866
5867 /* Fill in the first entry in the procedure linkage table. */
067653c5 5868 splt = htab->splt;
55e6e397 5869 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
37c644f2 5870 {
55e6e397
RS
5871 unsigned int i;
5872
5873 memcpy (splt->contents,
5874 htab->plt_info->plt0_entry,
5875 htab->plt_info->plt0_entry_size);
5876 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
5877 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
5878 install_plt_field (output_bfd, FALSE,
5879 (sgot->output_section->vma
5880 + sgot->output_offset
5881 + (i * 4)),
5882 (splt->contents
5883 + htab->plt_info->plt0_got_fields[i]));
5884
5885 if (htab->vxworks_p)
37c644f2 5886 {
55e6e397
RS
5887 /* Finalize the .rela.plt.unloaded contents. */
5888 Elf_Internal_Rela rel;
5889 bfd_byte *loc;
5890
5891 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
5892 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
5893 loc = htab->srelplt2->contents;
5894 rel.r_offset = (splt->output_section->vma
5895 + splt->output_offset
5896 + htab->plt_info->plt0_got_fields[2]);
5897 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5898 rel.r_addend = 8;
5899 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5900 loc += sizeof (Elf32_External_Rela);
5901
5902 /* Fix up the remaining .rela.plt.unloaded relocations.
5903 They may have the wrong symbol index for _G_O_T_ or
5904 _P_L_T_ depending on the order in which symbols were
5905 output. */
5906 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
37c644f2 5907 {
55e6e397
RS
5908 /* The PLT entry's pointer to the .got.plt slot. */
5909 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5910 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
5911 R_SH_DIR32);
5912 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5913 loc += sizeof (Elf32_External_Rela);
5914
5915 /* The .got.plt slot's pointer to .plt. */
5916 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5917 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
5918 R_SH_DIR32);
5919 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5920 loc += sizeof (Elf32_External_Rela);
37c644f2 5921 }
37c644f2
AO
5922 }
5923
5924 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5925 really seem like the right value. */
5926 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
5927 }
5928 }
5929
5930 /* Fill in the first three entries in the global offset table. */
eea6121a 5931 if (sgot && sgot->size > 0)
37c644f2
AO
5932 {
5933 if (sdyn == NULL)
5934 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5935 else
5936 bfd_put_32 (output_bfd,
5937 sdyn->output_section->vma + sdyn->output_offset,
5938 sgot->contents);
5939 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5940 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
37c644f2 5941
067653c5
AM
5942 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5943 }
37c644f2 5944
b34976b6 5945 return TRUE;
37c644f2
AO
5946}
5947
99e4ae17 5948static enum elf_reloc_type_class
09fd220b 5949sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
99e4ae17 5950{
f51e552e 5951 switch ((int) ELF32_R_TYPE (rela->r_info))
99e4ae17
AJ
5952 {
5953 case R_SH_RELATIVE:
5954 return reloc_class_relative;
5955 case R_SH_JMP_SLOT:
5956 return reloc_class_plt;
5957 case R_SH_COPY:
5958 return reloc_class_copy;
5959 default:
5960 return reloc_class_normal;
5961 }
5962}
5963
85fbca6a 5964#if !defined SH_TARGET_ALREADY_DEFINED
571fe01f 5965/* Support for Linux core dump NOTE sections. */
85fbca6a 5966
b34976b6 5967static bfd_boolean
09fd220b 5968elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5969{
5970 int offset;
eea6121a 5971 unsigned int size;
2bc3c89a
AM
5972
5973 switch (note->descsz)
5974 {
5975 default:
b34976b6 5976 return FALSE;
2bc3c89a
AM
5977
5978 case 168: /* Linux/SH */
5979 /* pr_cursig */
5980 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5981
5982 /* pr_pid */
5983 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5984
5985 /* pr_reg */
5986 offset = 72;
eea6121a 5987 size = 92;
2bc3c89a
AM
5988
5989 break;
5990 }
5991
5992 /* Make a ".reg/999" section. */
5993 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 5994 size, note->descpos + offset);
2bc3c89a
AM
5995}
5996
b34976b6 5997static bfd_boolean
09fd220b 5998elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2bc3c89a
AM
5999{
6000 switch (note->descsz)
6001 {
6002 default:
b34976b6 6003 return FALSE;
2bc3c89a
AM
6004
6005 case 124: /* Linux/SH elf_prpsinfo */
6006 elf_tdata (abfd)->core_program
6007 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
6008 elf_tdata (abfd)->core_command
6009 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
6010 }
6011
6012 /* Note that for some reason, a spurious space is tacked
6013 onto the end of the args in some (at least one anyway)
6014 implementations, so strip it off if it exists. */
6015
6016 {
6017 char *command = elf_tdata (abfd)->core_command;
6018 int n = strlen (command);
6019
6020 if (0 < n && command[n - 1] == ' ')
6021 command[n - 1] = '\0';
6022 }
6023
b34976b6 6024 return TRUE;
2bc3c89a 6025}
85fbca6a 6026#endif /* not SH_TARGET_ALREADY_DEFINED */
2bc3c89a 6027
1f1799d5
KK
6028
6029/* Return address for Ith PLT stub in section PLT, for relocation REL
6030 or (bfd_vma) -1 if it should not be included. */
6031
6032static bfd_vma
6033sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
6034 const arelent *rel ATTRIBUTE_UNUSED)
6035{
55e6e397
RS
6036 const struct elf_sh_plt_info *plt_info;
6037
6038 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
6039 return plt->vma + get_plt_offset (plt_info, i);
1f1799d5
KK
6040}
6041
85fbca6a 6042#if !defined SH_TARGET_ALREADY_DEFINED
252b5132
RH
6043#define TARGET_BIG_SYM bfd_elf32_sh_vec
6044#define TARGET_BIG_NAME "elf32-sh"
6045#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
6046#define TARGET_LITTLE_NAME "elf32-shl"
85fbca6a
NC
6047#endif
6048
252b5132
RH
6049#define ELF_ARCH bfd_arch_sh
6050#define ELF_MACHINE_CODE EM_SH
d0facd1b
NC
6051#ifdef __QNXTARGET__
6052#define ELF_MAXPAGESIZE 0x1000
6053#else
6054#define ELF_MAXPAGESIZE 0x80
6055#endif
252b5132
RH
6056
6057#define elf_symbol_leading_char '_'
6058
6059#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
157090f7
AM
6060#define bfd_elf32_bfd_reloc_name_lookup \
6061 sh_elf_reloc_name_lookup
252b5132
RH
6062#define elf_info_to_howto sh_elf_info_to_howto
6063#define bfd_elf32_bfd_relax_section sh_elf_relax_section
6064#define elf_backend_relocate_section sh_elf_relocate_section
6065#define bfd_elf32_bfd_get_relocated_section_contents \
6066 sh_elf_get_relocated_section_contents
3376eaf5
KK
6067#define bfd_elf32_mkobject sh_elf_mkobject
6068#define elf_backend_object_p sh_elf_object_p
d4845d57
JR
6069#define bfd_elf32_bfd_set_private_bfd_flags \
6070 sh_elf_set_private_flags
6071#define bfd_elf32_bfd_copy_private_bfd_data \
6072 sh_elf_copy_private_data
875f7f69 6073#define bfd_elf32_bfd_merge_private_bfd_data \
d4845d57 6074 sh_elf_merge_private_data
252b5132 6075
067653c5
AM
6076#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
6077#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
6078#define elf_backend_check_relocs sh_elf_check_relocs
6079#define elf_backend_copy_indirect_symbol \
6080 sh_elf_copy_indirect_symbol
37c644f2
AO
6081#define elf_backend_create_dynamic_sections \
6082 sh_elf_create_dynamic_sections
6083#define bfd_elf32_bfd_link_hash_table_create \
6084 sh_elf_link_hash_table_create
6085#define elf_backend_adjust_dynamic_symbol \
6086 sh_elf_adjust_dynamic_symbol
55e6e397
RS
6087#define elf_backend_always_size_sections \
6088 sh_elf_always_size_sections
37c644f2
AO
6089#define elf_backend_size_dynamic_sections \
6090 sh_elf_size_dynamic_sections
74541ad4
AM
6091#define elf_backend_omit_section_dynsym \
6092 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
37c644f2
AO
6093#define elf_backend_finish_dynamic_symbol \
6094 sh_elf_finish_dynamic_symbol
6095#define elf_backend_finish_dynamic_sections \
6096 sh_elf_finish_dynamic_sections
99e4ae17 6097#define elf_backend_reloc_type_class sh_elf_reloc_type_class
1f1799d5 6098#define elf_backend_plt_sym_val sh_elf_plt_sym_val
37c644f2 6099
067653c5
AM
6100#define elf_backend_can_gc_sections 1
6101#define elf_backend_can_refcount 1
37c644f2
AO
6102#define elf_backend_want_got_plt 1
6103#define elf_backend_plt_readonly 1
6104#define elf_backend_want_plt_sym 0
6105#define elf_backend_got_header_size 12
ed71e111 6106
85fbca6a 6107#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
2bc3c89a 6108
252b5132 6109#include "elf32-target.h"
ed71e111 6110
2bc3c89a
AM
6111/* NetBSD support. */
6112#undef TARGET_BIG_SYM
6113#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
6114#undef TARGET_BIG_NAME
6115#define TARGET_BIG_NAME "elf32-sh-nbsd"
6116#undef TARGET_LITTLE_SYM
6117#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
6118#undef TARGET_LITTLE_NAME
6119#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6120#undef ELF_MAXPAGESIZE
6121#define ELF_MAXPAGESIZE 0x10000
24718e3b 6122#undef ELF_COMMONPAGESIZE
2bc3c89a
AM
6123#undef elf_symbol_leading_char
6124#define elf_symbol_leading_char 0
571fe01f 6125#undef elf32_bed
2bc3c89a
AM
6126#define elf32_bed elf32_sh_nbsd_bed
6127
6128#include "elf32-target.h"
6129
2bc3c89a
AM
6130
6131/* Linux support. */
6132#undef TARGET_BIG_SYM
6133#define TARGET_BIG_SYM bfd_elf32_shblin_vec
6134#undef TARGET_BIG_NAME
6135#define TARGET_BIG_NAME "elf32-shbig-linux"
6136#undef TARGET_LITTLE_SYM
6137#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
6138#undef TARGET_LITTLE_NAME
6139#define TARGET_LITTLE_NAME "elf32-sh-linux"
24718e3b
L
6140#undef ELF_COMMONPAGESIZE
6141#define ELF_COMMONPAGESIZE 0x1000
2bc3c89a
AM
6142
6143#undef elf_backend_grok_prstatus
6144#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6145#undef elf_backend_grok_psinfo
6146#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
571fe01f 6147#undef elf32_bed
2bc3c89a
AM
6148#define elf32_bed elf32_sh_lin_bed
6149
6150#include "elf32-target.h"
6151
55e6e397
RS
6152#undef TARGET_BIG_SYM
6153#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
6154#undef TARGET_BIG_NAME
6155#define TARGET_BIG_NAME "elf32-sh-vxworks"
6156#undef TARGET_LITTLE_SYM
6157#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
6158#undef TARGET_LITTLE_NAME
6159#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6160#undef elf32_bed
6161#define elf32_bed elf32_sh_vxworks_bed
6162
6163#undef elf_backend_want_plt_sym
6164#define elf_backend_want_plt_sym 1
6165#undef elf_symbol_leading_char
6166#define elf_symbol_leading_char '_'
6167#define elf_backend_want_got_underscore 1
6168#undef elf_backend_grok_prstatus
6169#undef elf_backend_grok_psinfo
6170#undef elf_backend_add_symbol_hook
6171#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6172#undef elf_backend_link_output_symbol_hook
6173#define elf_backend_link_output_symbol_hook \
6174 elf_vxworks_link_output_symbol_hook
6175#undef elf_backend_emit_relocs
6176#define elf_backend_emit_relocs elf_vxworks_emit_relocs
6177#undef elf_backend_final_write_processing
6178#define elf_backend_final_write_processing \
6179 elf_vxworks_final_write_processing
6180#undef ELF_MAXPAGESIZE
6181#define ELF_MAXPAGESIZE 0x1000
6182#undef ELF_COMMONPAGESIZE
6183
6184#include "elf32-target.h"
6185
85fbca6a 6186#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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