1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright (C) 1996-2016 Free Software Foundation, Inc.
3 Contributed by Ian Lance Taylor, Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
27 #include "elf-vxworks.h"
30 #include "libiberty.h"
31 #include "../opcodes/sh-opc.h"
33 static bfd_reloc_status_type sh_elf_reloc
34 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
35 static bfd_reloc_status_type sh_elf_ignore_reloc
36 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
37 static bfd_boolean sh_elf_relax_delete_bytes
38 (bfd *, asection *, bfd_vma, int);
39 static bfd_boolean sh_elf_align_loads
40 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
42 static bfd_boolean sh_elf_swap_insns
43 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
45 static int sh_elf_optimized_tls_reloc
46 (struct bfd_link_info *, int, int);
47 static bfd_vma dtpoff_base
48 (struct bfd_link_info *);
50 (struct bfd_link_info *, bfd_vma);
52 /* The name of the dynamic interpreter. This is put in the .interp
55 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
57 /* FDPIC binaries have a default 128K stack. */
58 #define DEFAULT_STACK_SIZE 0x20000
60 #define MINUS_ONE ((bfd_vma) 0 - 1)
62 /* Decide whether a reference to a symbol can be resolved locally or
63 not. If the symbol is protected, we want the local address, but
64 its function descriptor must be assigned by the dynamic linker. */
65 #define SYMBOL_FUNCDESC_LOCAL(INFO, H) \
66 (SYMBOL_REFERENCES_LOCAL (INFO, H) \
67 || ! elf_hash_table (INFO)->dynamic_sections_created)
69 #define SH_PARTIAL32 TRUE
70 #define SH_SRC_MASK32 0xffffffff
71 #define SH_ELF_RELOC sh_elf_reloc
72 static reloc_howto_type sh_elf_howto_table[] =
74 #include "elf32-sh-relocs.h"
77 #define SH_PARTIAL32 FALSE
78 #define SH_SRC_MASK32 0
79 #define SH_ELF_RELOC bfd_elf_generic_reloc
80 static reloc_howto_type sh_vxworks_howto_table[] =
82 #include "elf32-sh-relocs.h"
85 /* Return true if OUTPUT_BFD is a VxWorks object. */
88 vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
90 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
91 extern const bfd_target sh_elf32_vxworks_le_vec;
92 extern const bfd_target sh_elf32_vxworks_vec;
94 return (abfd->xvec == &sh_elf32_vxworks_le_vec
95 || abfd->xvec == &sh_elf32_vxworks_vec);
101 /* Return true if OUTPUT_BFD is an FDPIC object. */
104 fdpic_object_p (bfd *abfd ATTRIBUTE_UNUSED)
106 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
107 extern const bfd_target sh_elf32_fdpic_le_vec;
108 extern const bfd_target sh_elf32_fdpic_be_vec;
110 return (abfd->xvec == &sh_elf32_fdpic_le_vec
111 || abfd->xvec == &sh_elf32_fdpic_be_vec);
117 /* Return the howto table for ABFD. */
119 static reloc_howto_type *
120 get_howto_table (bfd *abfd)
122 if (vxworks_object_p (abfd))
123 return sh_vxworks_howto_table;
124 return sh_elf_howto_table;
127 static bfd_reloc_status_type
128 sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
129 asection *input_section, bfd_byte *contents,
130 bfd_vma addr, asection *symbol_section,
131 bfd_vma start, bfd_vma end)
133 static bfd_vma last_addr;
134 static asection *last_symbol_section;
135 bfd_byte *start_ptr, *ptr, *last_ptr;
140 /* Sanity check the address. */
141 if (addr > bfd_get_section_limit (input_bfd, input_section))
142 return bfd_reloc_outofrange;
144 /* We require the start and end relocations to be processed consecutively -
145 although we allow then to be processed forwards or backwards. */
149 last_symbol_section = symbol_section;
152 if (last_addr != addr)
156 if (! symbol_section || last_symbol_section != symbol_section || end < start)
157 return bfd_reloc_outofrange;
159 /* Get the symbol_section contents. */
160 if (symbol_section != input_section)
162 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
163 contents = elf_section_data (symbol_section)->this_hdr.contents;
166 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
169 if (contents != NULL)
171 return bfd_reloc_outofrange;
175 #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
176 start_ptr = contents + start;
177 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
179 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
182 diff = (last_ptr - ptr) >> 1;
183 cum_diff += diff & 1;
186 /* Calculate the start / end values to load into rs / re minus four -
187 so that will cancel out the four we would otherwise have to add to
188 addr to get the value to subtract in order to get relative addressing. */
192 end = (ptr + cum_diff * 2) - contents;
196 bfd_vma start0 = start - 4;
198 while (start0 && IS_PPI (contents + start0))
200 start0 = start - 2 - ((start - start0) & 2);
201 start = start0 - cum_diff - 2;
206 && elf_section_data (symbol_section)->this_hdr.contents != contents)
209 insn = bfd_get_16 (input_bfd, contents + addr);
211 x = (insn & 0x200 ? end : start) - addr;
212 if (input_section != symbol_section)
213 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
214 - (input_section->output_section->vma
215 + input_section->output_offset));
217 if (x < -128 || x > 127)
218 return bfd_reloc_overflow;
220 x = (insn & ~0xff) | (x & 0xff);
221 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
226 /* This function is used for normal relocs. This used to be like the COFF
227 function, and is almost certainly incorrect for other ELF targets. */
229 static bfd_reloc_status_type
230 sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
231 void *data, asection *input_section, bfd *output_bfd,
232 char **error_message ATTRIBUTE_UNUSED)
236 enum elf_sh_reloc_type r_type;
237 bfd_vma addr = reloc_entry->address;
238 bfd_byte *hit_data = addr + (bfd_byte *) data;
240 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
242 if (output_bfd != NULL)
244 /* Partial linking--do nothing. */
245 reloc_entry->address += input_section->output_offset;
249 /* Almost all relocs have to do with relaxing. If any work must be
250 done for them, it has been done in sh_relax_section. */
251 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
254 if (symbol_in != NULL
255 && bfd_is_und_section (symbol_in->section))
256 return bfd_reloc_undefined;
258 /* PR 17512: file: 9891ca98. */
259 if (addr * bfd_octets_per_byte (abfd) + bfd_get_reloc_size (reloc_entry->howto)
260 > bfd_get_section_limit_octets (abfd, input_section))
261 return bfd_reloc_outofrange;
263 if (bfd_is_com_section (symbol_in->section))
266 sym_value = (symbol_in->value +
267 symbol_in->section->output_section->vma +
268 symbol_in->section->output_offset);
273 insn = bfd_get_32 (abfd, hit_data);
274 insn += sym_value + reloc_entry->addend;
275 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
278 insn = bfd_get_16 (abfd, hit_data);
279 sym_value += reloc_entry->addend;
280 sym_value -= (input_section->output_section->vma
281 + input_section->output_offset
284 sym_value += (insn & 0xfff) << 1;
287 insn = (insn & 0xf000) | (sym_value & 0xfff);
288 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
289 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
290 return bfd_reloc_overflow;
300 /* This function is used for relocs which are only used for relaxing,
301 which the linker should otherwise ignore. */
303 static bfd_reloc_status_type
304 sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
305 asymbol *symbol ATTRIBUTE_UNUSED,
306 void *data ATTRIBUTE_UNUSED, asection *input_section,
308 char **error_message ATTRIBUTE_UNUSED)
310 if (output_bfd != NULL)
311 reloc_entry->address += input_section->output_offset;
315 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
319 bfd_reloc_code_real_type bfd_reloc_val;
320 unsigned char elf_reloc_val;
323 /* An array mapping BFD reloc codes to SH ELF relocs. */
325 static const struct elf_reloc_map sh_reloc_map[] =
327 { BFD_RELOC_NONE, R_SH_NONE },
328 { BFD_RELOC_32, R_SH_DIR32 },
329 { BFD_RELOC_16, R_SH_DIR16 },
330 { BFD_RELOC_8, R_SH_DIR8 },
331 { BFD_RELOC_CTOR, R_SH_DIR32 },
332 { BFD_RELOC_32_PCREL, R_SH_REL32 },
333 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
334 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
335 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
336 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
337 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
338 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
339 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
340 { BFD_RELOC_SH_USES, R_SH_USES },
341 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
342 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
343 { BFD_RELOC_SH_CODE, R_SH_CODE },
344 { BFD_RELOC_SH_DATA, R_SH_DATA },
345 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
346 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
347 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
348 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
349 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
350 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
351 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
352 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
353 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
354 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
355 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
356 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
357 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
358 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
359 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
360 { BFD_RELOC_SH_COPY, R_SH_COPY },
361 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
362 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
363 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
364 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
365 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
366 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
367 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
368 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
369 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
370 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
371 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
372 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
373 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
374 #ifdef INCLUDE_SHMEDIA
375 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
376 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
377 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
378 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
379 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
380 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
381 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
382 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
383 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
384 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
385 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
386 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
387 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
388 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
389 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
390 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
391 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
392 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
393 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
394 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
395 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
396 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
397 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
398 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
399 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
400 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
401 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
402 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
403 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
404 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
405 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
406 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
407 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
408 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
409 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
410 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
411 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
412 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
413 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
414 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
415 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
416 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
417 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
418 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
419 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
420 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
421 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
422 { BFD_RELOC_64, R_SH_64 },
423 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
424 #endif /* not INCLUDE_SHMEDIA */
427 /* Given a BFD reloc code, return the howto structure for the
428 corresponding SH ELF reloc. */
430 static reloc_howto_type *
431 sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
435 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
437 if (sh_reloc_map[i].bfd_reloc_val == code)
438 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
444 static reloc_howto_type *
445 sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
449 if (vxworks_object_p (abfd))
452 i < (sizeof (sh_vxworks_howto_table)
453 / sizeof (sh_vxworks_howto_table[0]));
455 if (sh_vxworks_howto_table[i].name != NULL
456 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
457 return &sh_vxworks_howto_table[i];
462 i < (sizeof (sh_elf_howto_table)
463 / sizeof (sh_elf_howto_table[0]));
465 if (sh_elf_howto_table[i].name != NULL
466 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
467 return &sh_elf_howto_table[i];
473 /* Given an ELF reloc, fill in the howto field of a relent. */
476 sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
480 r = ELF32_R_TYPE (dst->r_info);
483 || (r >= R_SH_FIRST_INVALID_RELOC && r <= R_SH_LAST_INVALID_RELOC)
484 || (r >= R_SH_FIRST_INVALID_RELOC_2 && r <= R_SH_LAST_INVALID_RELOC_2)
485 || (r >= R_SH_FIRST_INVALID_RELOC_3 && r <= R_SH_LAST_INVALID_RELOC_3)
486 || (r >= R_SH_FIRST_INVALID_RELOC_4 && r <= R_SH_LAST_INVALID_RELOC_4)
487 || (r >= R_SH_FIRST_INVALID_RELOC_5 && r <= R_SH_LAST_INVALID_RELOC_5)
488 || (r >= R_SH_FIRST_INVALID_RELOC_6 && r <= R_SH_LAST_INVALID_RELOC_6))
490 (*_bfd_error_handler) (_("%B: unrecognised SH reloc number: %d"),
492 bfd_set_error (bfd_error_bad_value);
496 cache_ptr->howto = get_howto_table (abfd) + r;
499 /* This function handles relaxing for SH ELF. See the corresponding
500 function in coff-sh.c for a description of what this does. FIXME:
501 There is a lot of duplication here between this code and the COFF
502 specific code. The format of relocs and symbols is wound deeply
503 into this code, but it would still be better if the duplication
504 could be eliminated somehow. Note in particular that although both
505 functions use symbols like R_SH_CODE, those symbols have different
506 values; in coff-sh.c they come from include/coff/sh.h, whereas here
507 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
510 sh_elf_relax_section (bfd *abfd, asection *sec,
511 struct bfd_link_info *link_info, bfd_boolean *again)
513 Elf_Internal_Shdr *symtab_hdr;
514 Elf_Internal_Rela *internal_relocs;
515 bfd_boolean have_code;
516 Elf_Internal_Rela *irel, *irelend;
517 bfd_byte *contents = NULL;
518 Elf_Internal_Sym *isymbuf = NULL;
522 if (bfd_link_relocatable (link_info)
523 || (sec->flags & SEC_RELOC) == 0
524 || sec->reloc_count == 0)
527 #ifdef INCLUDE_SHMEDIA
528 if (elf_section_data (sec)->this_hdr.sh_flags
529 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
535 symtab_hdr = &elf_symtab_hdr (abfd);
537 internal_relocs = (_bfd_elf_link_read_relocs
538 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
539 link_info->keep_memory));
540 if (internal_relocs == NULL)
545 irelend = internal_relocs + sec->reloc_count;
546 for (irel = internal_relocs; irel < irelend; irel++)
548 bfd_vma laddr, paddr, symval;
550 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
553 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
556 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
559 /* Get the section contents. */
560 if (contents == NULL)
562 if (elf_section_data (sec)->this_hdr.contents != NULL)
563 contents = elf_section_data (sec)->this_hdr.contents;
566 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
571 /* The r_addend field of the R_SH_USES reloc will point us to
572 the register load. The 4 is because the r_addend field is
573 computed as though it were a jump offset, which are based
574 from 4 bytes after the jump instruction. */
575 laddr = irel->r_offset + 4 + irel->r_addend;
576 if (laddr >= sec->size)
578 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
580 (unsigned long) irel->r_offset);
583 insn = bfd_get_16 (abfd, contents + laddr);
585 /* If the instruction is not mov.l NN,rN, we don't know what to
587 if ((insn & 0xf000) != 0xd000)
589 ((*_bfd_error_handler)
590 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
591 abfd, (unsigned long) irel->r_offset, insn));
595 /* Get the address from which the register is being loaded. The
596 displacement in the mov.l instruction is quadrupled. It is a
597 displacement from four bytes after the movl instruction, but,
598 before adding in the PC address, two least significant bits
599 of the PC are cleared. We assume that the section is aligned
600 on a four byte boundary. */
603 paddr += (laddr + 4) &~ (bfd_vma) 3;
604 if (paddr >= sec->size)
606 ((*_bfd_error_handler)
607 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
608 abfd, (unsigned long) irel->r_offset));
612 /* Get the reloc for the address from which the register is
613 being loaded. This reloc will tell us which function is
614 actually being called. */
615 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
616 if (irelfn->r_offset == paddr
617 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
619 if (irelfn >= irelend)
621 ((*_bfd_error_handler)
622 (_("%B: 0x%lx: warning: could not find expected reloc"),
623 abfd, (unsigned long) paddr));
627 /* Read this BFD's symbols if we haven't done so already. */
628 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
630 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
632 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
633 symtab_hdr->sh_info, 0,
639 /* Get the value of the symbol referred to by the reloc. */
640 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
642 /* A local symbol. */
643 Elf_Internal_Sym *isym;
645 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
647 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
649 ((*_bfd_error_handler)
650 (_("%B: 0x%lx: warning: symbol in unexpected section"),
651 abfd, (unsigned long) paddr));
655 symval = (isym->st_value
656 + sec->output_section->vma
657 + sec->output_offset);
662 struct elf_link_hash_entry *h;
664 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
665 h = elf_sym_hashes (abfd)[indx];
666 BFD_ASSERT (h != NULL);
667 if (h->root.type != bfd_link_hash_defined
668 && h->root.type != bfd_link_hash_defweak)
670 /* This appears to be a reference to an undefined
671 symbol. Just ignore it--it will be caught by the
672 regular reloc processing. */
676 symval = (h->root.u.def.value
677 + h->root.u.def.section->output_section->vma
678 + h->root.u.def.section->output_offset);
681 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
682 symval += bfd_get_32 (abfd, contents + paddr);
684 symval += irelfn->r_addend;
686 /* See if this function call can be shortened. */
689 + sec->output_section->vma
692 /* A branch to an address beyond ours might be increased by an
693 .align that doesn't move when bytes behind us are deleted.
694 So, we add some slop in this calculation to allow for
696 if (foff < -0x1000 || foff >= 0x1000 - 8)
698 /* After all that work, we can't shorten this function call. */
702 /* Shorten the function call. */
704 /* For simplicity of coding, we are going to modify the section
705 contents, the section relocs, and the BFD symbol table. We
706 must tell the rest of the code not to free up this
707 information. It would be possible to instead create a table
708 of changes which have to be made, as is done in coff-mips.c;
709 that would be more work, but would require less memory when
710 the linker is run. */
712 elf_section_data (sec)->relocs = internal_relocs;
713 elf_section_data (sec)->this_hdr.contents = contents;
714 symtab_hdr->contents = (unsigned char *) isymbuf;
716 /* Replace the jmp/jsr with a bra/bsr. */
718 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
719 replace the jmp/jsr with a bra/bsr. */
720 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
721 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
722 here, but that only checks if the symbol is an external symbol,
723 not if the symbol is in a different section. Besides, we need
724 a consistent meaning for the relocation, so we just assume here that
725 the value of the symbol is not available. */
727 /* We can't fully resolve this yet, because the external
728 symbol value may be changed by future relaxing. We let
729 the final link phase handle it. */
730 if (bfd_get_16 (abfd, contents + irel->r_offset) & 0x0020)
731 bfd_put_16 (abfd, (bfd_vma) 0xa000, contents + irel->r_offset);
733 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
737 /* When we calculated the symbol "value" we had an offset in the
738 DIR32's word in memory (we read and add it above). However,
739 the jsr we create does NOT have this offset encoded, so we
740 have to add it to the addend to preserve it. */
741 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
743 /* See if there is another R_SH_USES reloc referring to the same
745 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
746 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
747 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
749 if (irelscan < irelend)
751 /* Some other function call depends upon this register load,
752 and we have not yet converted that function call.
753 Indeed, we may never be able to convert it. There is
754 nothing else we can do at this point. */
758 /* Look for a R_SH_COUNT reloc on the location where the
759 function address is stored. Do this before deleting any
760 bytes, to avoid confusion about the address. */
761 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
762 if (irelcount->r_offset == paddr
763 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
766 /* Delete the register load. */
767 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
770 /* That will change things, so, just in case it permits some
771 other function call to come within range, we should relax
772 again. Note that this is not required, and it may be slow. */
775 /* Now check whether we got a COUNT reloc. */
776 if (irelcount >= irelend)
778 ((*_bfd_error_handler)
779 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
780 abfd, (unsigned long) paddr));
784 /* The number of uses is stored in the r_addend field. We've
786 if (irelcount->r_addend == 0)
788 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
790 (unsigned long) paddr));
794 --irelcount->r_addend;
796 /* If there are no more uses, we can delete the address. Reload
797 the address from irelfn, in case it was changed by the
798 previous call to sh_elf_relax_delete_bytes. */
799 if (irelcount->r_addend == 0)
801 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
805 /* We've done all we can with that function call. */
808 /* Look for load and store instructions that we can align on four
810 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
815 /* Get the section contents. */
816 if (contents == NULL)
818 if (elf_section_data (sec)->this_hdr.contents != NULL)
819 contents = elf_section_data (sec)->this_hdr.contents;
822 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
827 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
833 elf_section_data (sec)->relocs = internal_relocs;
834 elf_section_data (sec)->this_hdr.contents = contents;
835 symtab_hdr->contents = (unsigned char *) isymbuf;
840 && symtab_hdr->contents != (unsigned char *) isymbuf)
842 if (! link_info->keep_memory)
846 /* Cache the symbols for elf_link_input_bfd. */
847 symtab_hdr->contents = (unsigned char *) isymbuf;
852 && elf_section_data (sec)->this_hdr.contents != contents)
854 if (! link_info->keep_memory)
858 /* Cache the section contents for elf_link_input_bfd. */
859 elf_section_data (sec)->this_hdr.contents = contents;
863 if (internal_relocs != NULL
864 && elf_section_data (sec)->relocs != internal_relocs)
865 free (internal_relocs);
871 && symtab_hdr->contents != (unsigned char *) isymbuf)
874 && elf_section_data (sec)->this_hdr.contents != contents)
876 if (internal_relocs != NULL
877 && elf_section_data (sec)->relocs != internal_relocs)
878 free (internal_relocs);
883 /* Delete some bytes from a section while relaxing. FIXME: There is a
884 lot of duplication between this function and sh_relax_delete_bytes
888 sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
891 Elf_Internal_Shdr *symtab_hdr;
892 unsigned int sec_shndx;
894 Elf_Internal_Rela *irel, *irelend;
895 Elf_Internal_Rela *irelalign;
897 Elf_Internal_Sym *isymbuf, *isym, *isymend;
898 struct elf_link_hash_entry **sym_hashes;
899 struct elf_link_hash_entry **end_hashes;
900 unsigned int symcount;
903 symtab_hdr = &elf_symtab_hdr (abfd);
904 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
906 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
908 contents = elf_section_data (sec)->this_hdr.contents;
910 /* The deletion must stop at the next ALIGN reloc for an aligment
911 power larger than the number of bytes we are deleting. */
916 irel = elf_section_data (sec)->relocs;
917 irelend = irel + sec->reloc_count;
918 for (; irel < irelend; irel++)
920 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
921 && irel->r_offset > addr
922 && count < (1 << irel->r_addend))
925 toaddr = irel->r_offset;
930 /* Actually delete the bytes. */
931 memmove (contents + addr, contents + addr + count,
932 (size_t) (toaddr - addr - count));
933 if (irelalign == NULL)
939 #define NOP_OPCODE (0x0009)
941 BFD_ASSERT ((count & 1) == 0);
942 for (i = 0; i < count; i += 2)
943 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
946 /* Adjust all the relocs. */
947 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
949 bfd_vma nraddr, stop;
952 int off, adjust, oinsn;
953 bfd_signed_vma voff = 0;
954 bfd_boolean overflow;
956 /* Get the new reloc address. */
957 nraddr = irel->r_offset;
958 if ((irel->r_offset > addr
959 && irel->r_offset < toaddr)
960 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
961 && irel->r_offset == toaddr))
964 /* See if this reloc was for the bytes we have deleted, in which
965 case we no longer care about it. Don't delete relocs which
966 represent addresses, though. */
967 if (irel->r_offset >= addr
968 && irel->r_offset < addr + count
969 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
970 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
971 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
972 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
973 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
976 /* If this is a PC relative reloc, see if the range it covers
977 includes the bytes we have deleted. */
978 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
987 start = irel->r_offset;
988 insn = bfd_get_16 (abfd, contents + nraddr);
992 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
999 /* If this reloc is against a symbol defined in this
1000 section, and the symbol will not be adjusted below, we
1001 must check the addend to see it will put the value in
1002 range to be adjusted, and hence must be changed. */
1003 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
1005 isym = isymbuf + ELF32_R_SYM (irel->r_info);
1006 if (isym->st_shndx == sec_shndx
1007 && (isym->st_value <= addr
1008 || isym->st_value >= toaddr))
1012 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
1014 val = bfd_get_32 (abfd, contents + nraddr);
1015 val += isym->st_value;
1016 if (val > addr && val < toaddr)
1017 bfd_put_32 (abfd, val - count, contents + nraddr);
1021 val = isym->st_value + irel->r_addend;
1022 if (val > addr && val < toaddr)
1023 irel->r_addend -= count;
1027 start = stop = addr;
1034 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1041 /* This has been made by previous relaxation. Since the
1042 relocation will be against an external symbol, the
1043 final relocation will just do the right thing. */
1044 start = stop = addr;
1050 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1052 /* The addend will be against the section symbol, thus
1053 for adjusting the addend, the relevant start is the
1054 start of the section.
1055 N.B. If we want to abandon in-place changes here and
1056 test directly using symbol + addend, we have to take into
1057 account that the addend has already been adjusted by -4. */
1058 if (stop > addr && stop < toaddr)
1059 irel->r_addend -= count;
1065 stop = start + 4 + off * 2;
1070 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
1076 /* These relocs types represent
1078 The r_addend field holds the difference between the reloc
1079 address and L1. That is the start of the reloc, and
1080 adding in the contents gives us the top. We must adjust
1081 both the r_offset field and the section contents.
1082 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1083 and the elf bfd r_offset is called r_vaddr. */
1085 stop = irel->r_offset;
1086 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
1090 && (stop <= addr || stop >= toaddr))
1091 irel->r_addend += count;
1092 else if (stop > addr
1094 && (start <= addr || start >= toaddr))
1095 irel->r_addend -= count;
1097 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1098 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1099 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1100 voff = bfd_get_8 (abfd, contents + nraddr);
1102 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1103 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1108 start = irel->r_offset;
1109 stop = (bfd_vma) ((bfd_signed_vma) start
1110 + (long) irel->r_addend
1117 && (stop <= addr || stop >= toaddr))
1119 else if (stop > addr
1121 && (start <= addr || start >= toaddr))
1130 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1139 if ((oinsn & 0xff00) != (insn & 0xff00))
1141 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1146 if ((oinsn & 0xf000) != (insn & 0xf000))
1148 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1152 BFD_ASSERT (adjust == count || count >= 4);
1157 if ((irel->r_offset & 3) == 0)
1160 if ((oinsn & 0xff00) != (insn & 0xff00))
1162 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1167 if (voff < 0 || voff >= 0xff)
1169 bfd_put_8 (abfd, voff, contents + nraddr);
1174 if (voff < - 0x8000 || voff >= 0x8000)
1176 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
1181 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
1185 irel->r_addend += adjust;
1191 ((*_bfd_error_handler)
1192 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1193 abfd, (unsigned long) irel->r_offset));
1194 bfd_set_error (bfd_error_bad_value);
1199 irel->r_offset = nraddr;
1202 /* Look through all the other sections. If there contain any IMM32
1203 relocs against internal symbols which we are not going to adjust
1204 below, we may need to adjust the addends. */
1205 for (o = abfd->sections; o != NULL; o = o->next)
1207 Elf_Internal_Rela *internal_relocs;
1208 Elf_Internal_Rela *irelscan, *irelscanend;
1209 bfd_byte *ocontents;
1212 || (o->flags & SEC_RELOC) == 0
1213 || o->reloc_count == 0)
1216 /* We always cache the relocs. Perhaps, if info->keep_memory is
1217 FALSE, we should free them, if we are permitted to, when we
1218 leave sh_coff_relax_section. */
1219 internal_relocs = (_bfd_elf_link_read_relocs
1220 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
1221 if (internal_relocs == NULL)
1225 irelscanend = internal_relocs + o->reloc_count;
1226 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1228 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1229 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1231 bfd_vma start, stop;
1232 bfd_signed_vma voff;
1234 if (ocontents == NULL)
1236 if (elf_section_data (o)->this_hdr.contents != NULL)
1237 ocontents = elf_section_data (o)->this_hdr.contents;
1240 /* We always cache the section contents.
1241 Perhaps, if info->keep_memory is FALSE, we
1242 should free them, if we are permitted to,
1243 when we leave sh_coff_relax_section. */
1244 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1246 if (ocontents != NULL)
1251 elf_section_data (o)->this_hdr.contents = ocontents;
1255 stop = irelscan->r_offset;
1257 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1259 /* STOP is in a different section, so it won't change. */
1260 if (start > addr && start < toaddr)
1261 irelscan->r_addend += count;
1263 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1264 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1268 && (stop <= addr || stop >= toaddr))
1269 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
1270 ocontents + irelscan->r_offset);
1271 else if (stop > addr
1273 && (start <= addr || start >= toaddr))
1274 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
1275 ocontents + irelscan->r_offset);
1278 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1281 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1285 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1286 if (isym->st_shndx == sec_shndx
1287 && (isym->st_value <= addr
1288 || isym->st_value >= toaddr))
1292 if (ocontents == NULL)
1294 if (elf_section_data (o)->this_hdr.contents != NULL)
1295 ocontents = elf_section_data (o)->this_hdr.contents;
1298 /* We always cache the section contents.
1299 Perhaps, if info->keep_memory is FALSE, we
1300 should free them, if we are permitted to,
1301 when we leave sh_coff_relax_section. */
1302 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1304 if (ocontents != NULL)
1309 elf_section_data (o)->this_hdr.contents = ocontents;
1313 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
1314 val += isym->st_value;
1315 if (val > addr && val < toaddr)
1316 bfd_put_32 (abfd, val - count,
1317 ocontents + irelscan->r_offset);
1322 /* Adjust the local symbols defined in this section. */
1323 isymend = isymbuf + symtab_hdr->sh_info;
1324 for (isym = isymbuf; isym < isymend; isym++)
1326 if (isym->st_shndx == sec_shndx
1327 && isym->st_value > addr
1328 && isym->st_value < toaddr)
1329 isym->st_value -= count;
1332 /* Now adjust the global symbols defined in this section. */
1333 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1334 - symtab_hdr->sh_info);
1335 sym_hashes = elf_sym_hashes (abfd);
1336 end_hashes = sym_hashes + symcount;
1337 for (; sym_hashes < end_hashes; sym_hashes++)
1339 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1340 if ((sym_hash->root.type == bfd_link_hash_defined
1341 || sym_hash->root.type == bfd_link_hash_defweak)
1342 && sym_hash->root.u.def.section == sec
1343 && sym_hash->root.u.def.value > addr
1344 && sym_hash->root.u.def.value < toaddr)
1346 sym_hash->root.u.def.value -= count;
1350 /* See if we can move the ALIGN reloc forward. We have adjusted
1351 r_offset for it already. */
1352 if (irelalign != NULL)
1354 bfd_vma alignto, alignaddr;
1356 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1357 alignaddr = BFD_ALIGN (irelalign->r_offset,
1358 1 << irelalign->r_addend);
1359 if (alignto != alignaddr)
1361 /* Tail recursion. */
1362 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
1363 (int) (alignto - alignaddr));
1370 /* Look for loads and stores which we can align to four byte
1371 boundaries. This is like sh_align_loads in coff-sh.c. */
1374 sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1375 Elf_Internal_Rela *internal_relocs,
1376 bfd_byte *contents ATTRIBUTE_UNUSED,
1377 bfd_boolean *pswapped)
1379 Elf_Internal_Rela *irel, *irelend;
1380 bfd_vma *labels = NULL;
1381 bfd_vma *label, *label_end;
1386 irelend = internal_relocs + sec->reloc_count;
1388 /* Get all the addresses with labels on them. */
1389 amt = sec->reloc_count;
1390 amt *= sizeof (bfd_vma);
1391 labels = (bfd_vma *) bfd_malloc (amt);
1395 for (irel = internal_relocs; irel < irelend; irel++)
1397 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1399 *label_end = irel->r_offset;
1404 /* Note that the assembler currently always outputs relocs in
1405 address order. If that ever changes, this code will need to sort
1406 the label values and the relocs. */
1410 for (irel = internal_relocs; irel < irelend; irel++)
1412 bfd_vma start, stop;
1414 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1417 start = irel->r_offset;
1419 for (irel++; irel < irelend; irel++)
1420 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1423 stop = irel->r_offset;
1427 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
1428 internal_relocs, &label,
1429 label_end, start, stop, pswapped))
1444 /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1447 sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1448 bfd_byte *contents, bfd_vma addr)
1450 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1451 unsigned short i1, i2;
1452 Elf_Internal_Rela *irel, *irelend;
1454 /* Swap the instructions themselves. */
1455 i1 = bfd_get_16 (abfd, contents + addr);
1456 i2 = bfd_get_16 (abfd, contents + addr + 2);
1457 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1458 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
1460 /* Adjust all reloc addresses. */
1461 irelend = internal_relocs + sec->reloc_count;
1462 for (irel = internal_relocs; irel < irelend; irel++)
1464 enum elf_sh_reloc_type type;
1467 /* There are a few special types of relocs that we don't want to
1468 adjust. These relocs do not apply to the instruction itself,
1469 but are only associated with the address. */
1470 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1471 if (type == R_SH_ALIGN
1472 || type == R_SH_CODE
1473 || type == R_SH_DATA
1474 || type == R_SH_LABEL)
1477 /* If an R_SH_USES reloc points to one of the addresses being
1478 swapped, we must adjust it. It would be incorrect to do this
1479 for a jump, though, since we want to execute both
1480 instructions after the jump. (We have avoided swapping
1481 around a label, so the jump will not wind up executing an
1482 instruction it shouldn't). */
1483 if (type == R_SH_USES)
1487 off = irel->r_offset + 4 + irel->r_addend;
1489 irel->r_offset += 2;
1490 else if (off == addr + 2)
1491 irel->r_offset -= 2;
1494 if (irel->r_offset == addr)
1496 irel->r_offset += 2;
1499 else if (irel->r_offset == addr + 2)
1501 irel->r_offset -= 2;
1510 unsigned short insn, oinsn;
1511 bfd_boolean overflow;
1513 loc = contents + irel->r_offset;
1522 insn = bfd_get_16 (abfd, loc);
1525 if ((oinsn & 0xff00) != (insn & 0xff00))
1527 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1531 insn = bfd_get_16 (abfd, loc);
1534 if ((oinsn & 0xf000) != (insn & 0xf000))
1536 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1540 /* This reloc ignores the least significant 3 bits of
1541 the program counter before adding in the offset.
1542 This means that if ADDR is at an even address, the
1543 swap will not affect the offset. If ADDR is an at an
1544 odd address, then the instruction will be crossing a
1545 four byte boundary, and must be adjusted. */
1546 if ((addr & 3) != 0)
1548 insn = bfd_get_16 (abfd, loc);
1551 if ((oinsn & 0xff00) != (insn & 0xff00))
1553 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1561 ((*_bfd_error_handler)
1562 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1563 abfd, (unsigned long) irel->r_offset));
1564 bfd_set_error (bfd_error_bad_value);
1572 #endif /* defined SH64_ELF */
1574 /* Describes one of the various PLT styles. */
1576 struct elf_sh_plt_info
1578 /* The template for the first PLT entry, or NULL if there is no special
1580 const bfd_byte *plt0_entry;
1582 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1583 bfd_vma plt0_entry_size;
1585 /* Index I is the offset into PLT0_ENTRY of a pointer to
1586 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1587 if there is no such pointer. */
1588 bfd_vma plt0_got_fields[3];
1590 /* The template for a symbol's PLT entry. */
1591 const bfd_byte *symbol_entry;
1593 /* The size of SYMBOL_ENTRY in bytes. */
1594 bfd_vma symbol_entry_size;
1596 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1597 on all targets. The comments by each member indicate the value
1598 that the field must hold. */
1600 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1601 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1602 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
1603 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1604 instruction (instead of a constant pool
1608 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1609 bfd_vma symbol_resolve_offset;
1611 /* A different PLT layout which can be used for the first
1612 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1614 const struct elf_sh_plt_info *short_plt;
1617 #ifdef INCLUDE_SHMEDIA
1619 /* The size in bytes of an entry in the procedure linkage table. */
1621 #define ELF_PLT_ENTRY_SIZE 64
1623 /* First entry in an absolute procedure linkage table look like this. */
1625 static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
1627 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1628 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1629 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1630 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1631 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1632 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1633 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1634 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1635 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1636 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1637 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1638 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1639 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1640 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1641 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1642 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1645 static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
1647 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1648 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1649 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1650 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1651 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1652 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1653 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1654 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1655 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1656 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1657 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1658 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1659 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1660 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1661 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1662 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1665 /* Sebsequent entries in an absolute procedure linkage table look like
1668 static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1670 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1671 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1672 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1673 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1674 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1675 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1676 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1677 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1678 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1679 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1680 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1681 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1682 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1683 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1684 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1685 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1688 static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1690 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1691 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1692 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1693 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1694 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1695 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1696 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1697 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1698 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1699 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1700 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1701 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1702 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1703 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1704 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1705 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1708 /* Entries in a PIC procedure linkage table look like this. */
1710 static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1712 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1713 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1714 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1715 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1716 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1717 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1718 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1719 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1720 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
1721 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
1722 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1723 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1724 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1725 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1726 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1727 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1730 static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1732 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1733 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1734 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1735 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1736 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1737 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1738 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1739 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1740 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
1741 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
1742 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1743 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1744 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1745 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1746 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1747 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1750 static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1753 /* Big-endian non-PIC. */
1754 elf_sh_plt0_entry_be,
1756 { 0, MINUS_ONE, MINUS_ONE },
1757 elf_sh_plt_entry_be,
1759 { 0, 32, 48, FALSE },
1760 33, /* includes ISA encoding */
1764 /* Little-endian non-PIC. */
1765 elf_sh_plt0_entry_le,
1767 { 0, MINUS_ONE, MINUS_ONE },
1768 elf_sh_plt_entry_le,
1770 { 0, 32, 48, FALSE },
1771 33, /* includes ISA encoding */
1777 /* Big-endian PIC. */
1778 elf_sh_plt0_entry_be,
1780 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1781 elf_sh_pic_plt_entry_be,
1783 { 0, MINUS_ONE, 52, FALSE },
1784 33, /* includes ISA encoding */
1788 /* Little-endian PIC. */
1789 elf_sh_plt0_entry_le,
1791 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1792 elf_sh_pic_plt_entry_le,
1794 { 0, MINUS_ONE, 52, FALSE },
1795 33, /* includes ISA encoding */
1801 /* Return offset of the linker in PLT0 entry. */
1802 #define elf_sh_plt0_gotplt_offset(info) 0
1804 /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1805 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1808 On SH64, each 32-bit field is loaded by a movi/shori pair. */
1811 install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1812 unsigned long value, bfd_byte *addr)
1815 bfd_put_32 (output_bfd,
1816 bfd_get_32 (output_bfd, addr)
1817 | ((value >> 6) & 0x3fffc00),
1819 bfd_put_32 (output_bfd,
1820 bfd_get_32 (output_bfd, addr + 4)
1821 | ((value << 10) & 0x3fffc00),
1825 /* Return the type of PLT associated with ABFD. PIC_P is true if
1826 the object is position-independent. */
1828 static const struct elf_sh_plt_info *
1829 get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1831 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1834 /* The size in bytes of an entry in the procedure linkage table. */
1836 #define ELF_PLT_ENTRY_SIZE 28
1838 /* First entry in an absolute procedure linkage table look like this. */
1840 /* Note - this code has been "optimised" not to use r2. r2 is used by
1841 GCC to return the address of large structures, so it should not be
1842 corrupted here. This does mean however, that this PLT does not conform
1843 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1844 and r2 contains the GOT id. This version stores the GOT id in r0 and
1845 ignores the type. Loaders can easily detect this difference however,
1846 since the type will always be 0 or 8, and the GOT ids will always be
1847 greater than or equal to 12. */
1848 static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
1850 0xd0, 0x05, /* mov.l 2f,r0 */
1851 0x60, 0x02, /* mov.l @r0,r0 */
1852 0x2f, 0x06, /* mov.l r0,@-r15 */
1853 0xd0, 0x03, /* mov.l 1f,r0 */
1854 0x60, 0x02, /* mov.l @r0,r0 */
1855 0x40, 0x2b, /* jmp @r0 */
1856 0x60, 0xf6, /* mov.l @r15+,r0 */
1857 0x00, 0x09, /* nop */
1858 0x00, 0x09, /* nop */
1859 0x00, 0x09, /* nop */
1860 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1861 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1864 static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
1866 0x05, 0xd0, /* mov.l 2f,r0 */
1867 0x02, 0x60, /* mov.l @r0,r0 */
1868 0x06, 0x2f, /* mov.l r0,@-r15 */
1869 0x03, 0xd0, /* mov.l 1f,r0 */
1870 0x02, 0x60, /* mov.l @r0,r0 */
1871 0x2b, 0x40, /* jmp @r0 */
1872 0xf6, 0x60, /* mov.l @r15+,r0 */
1873 0x09, 0x00, /* nop */
1874 0x09, 0x00, /* nop */
1875 0x09, 0x00, /* nop */
1876 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1877 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1880 /* Sebsequent entries in an absolute procedure linkage table look like
1883 static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1885 0xd0, 0x04, /* mov.l 1f,r0 */
1886 0x60, 0x02, /* mov.l @(r0,r12),r0 */
1887 0xd1, 0x02, /* mov.l 0f,r1 */
1888 0x40, 0x2b, /* jmp @r0 */
1889 0x60, 0x13, /* mov r1,r0 */
1890 0xd1, 0x03, /* mov.l 2f,r1 */
1891 0x40, 0x2b, /* jmp @r0 */
1892 0x00, 0x09, /* nop */
1893 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1894 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1895 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1898 static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1900 0x04, 0xd0, /* mov.l 1f,r0 */
1901 0x02, 0x60, /* mov.l @r0,r0 */
1902 0x02, 0xd1, /* mov.l 0f,r1 */
1903 0x2b, 0x40, /* jmp @r0 */
1904 0x13, 0x60, /* mov r1,r0 */
1905 0x03, 0xd1, /* mov.l 2f,r1 */
1906 0x2b, 0x40, /* jmp @r0 */
1907 0x09, 0x00, /* nop */
1908 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1909 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1910 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1913 /* Entries in a PIC procedure linkage table look like this. */
1915 static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1917 0xd0, 0x04, /* mov.l 1f,r0 */
1918 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1919 0x40, 0x2b, /* jmp @r0 */
1920 0x00, 0x09, /* nop */
1921 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1922 0xd1, 0x03, /* mov.l 2f,r1 */
1923 0x40, 0x2b, /* jmp @r0 */
1924 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1925 0x00, 0x09, /* nop */
1926 0x00, 0x09, /* nop */
1927 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1928 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1931 static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1933 0x04, 0xd0, /* mov.l 1f,r0 */
1934 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1935 0x2b, 0x40, /* jmp @r0 */
1936 0x09, 0x00, /* nop */
1937 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1938 0x03, 0xd1, /* mov.l 2f,r1 */
1939 0x2b, 0x40, /* jmp @r0 */
1940 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1941 0x09, 0x00, /* nop */
1942 0x09, 0x00, /* nop */
1943 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1944 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1947 static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1950 /* Big-endian non-PIC. */
1951 elf_sh_plt0_entry_be,
1953 { MINUS_ONE, 24, 20 },
1954 elf_sh_plt_entry_be,
1956 { 20, 16, 24, FALSE },
1961 /* Little-endian non-PIC. */
1962 elf_sh_plt0_entry_le,
1964 { MINUS_ONE, 24, 20 },
1965 elf_sh_plt_entry_le,
1967 { 20, 16, 24, FALSE },
1974 /* Big-endian PIC. */
1975 elf_sh_plt0_entry_be,
1977 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1978 elf_sh_pic_plt_entry_be,
1980 { 20, MINUS_ONE, 24, FALSE },
1985 /* Little-endian PIC. */
1986 elf_sh_plt0_entry_le,
1988 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1989 elf_sh_pic_plt_entry_le,
1991 { 20, MINUS_ONE, 24, FALSE },
1998 #define VXWORKS_PLT_HEADER_SIZE 12
1999 #define VXWORKS_PLT_ENTRY_SIZE 24
2001 static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
2003 0xd1, 0x01, /* mov.l @(8,pc),r1 */
2004 0x61, 0x12, /* mov.l @r1,r1 */
2005 0x41, 0x2b, /* jmp @r1 */
2006 0x00, 0x09, /* nop */
2007 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2010 static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
2012 0x01, 0xd1, /* mov.l @(8,pc),r1 */
2013 0x12, 0x61, /* mov.l @r1,r1 */
2014 0x2b, 0x41, /* jmp @r1 */
2015 0x09, 0x00, /* nop */
2016 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2019 static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2021 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2022 0x60, 0x02, /* mov.l @r0,r0 */
2023 0x40, 0x2b, /* jmp @r0 */
2024 0x00, 0x09, /* nop */
2025 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2026 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2027 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
2028 0x00, 0x09, /* nop */
2029 0x00, 0x09, /* nop */
2030 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2033 static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2035 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2036 0x02, 0x60, /* mov.l @r0,r0 */
2037 0x2b, 0x40, /* jmp @r0 */
2038 0x09, 0x00, /* nop */
2039 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2040 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2041 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
2042 0x09, 0x00, /* nop */
2043 0x09, 0x00, /* nop */
2044 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2047 static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2049 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2050 0x00, 0xce, /* mov.l @(r0,r12),r0 */
2051 0x40, 0x2b, /* jmp @r0 */
2052 0x00, 0x09, /* nop */
2053 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2054 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2055 0x51, 0xc2, /* mov.l @(8,r12),r1 */
2056 0x41, 0x2b, /* jmp @r1 */
2057 0x00, 0x09, /* nop */
2058 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2061 static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2063 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2064 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2065 0x2b, 0x40, /* jmp @r0 */
2066 0x09, 0x00, /* nop */
2067 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2068 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2069 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2070 0x2b, 0x41, /* jmp @r1 */
2071 0x09, 0x00, /* nop */
2072 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2075 static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2078 /* Big-endian non-PIC. */
2079 vxworks_sh_plt0_entry_be,
2080 VXWORKS_PLT_HEADER_SIZE,
2081 { MINUS_ONE, MINUS_ONE, 8 },
2082 vxworks_sh_plt_entry_be,
2083 VXWORKS_PLT_ENTRY_SIZE,
2084 { 8, 14, 20, FALSE },
2089 /* Little-endian non-PIC. */
2090 vxworks_sh_plt0_entry_le,
2091 VXWORKS_PLT_HEADER_SIZE,
2092 { MINUS_ONE, MINUS_ONE, 8 },
2093 vxworks_sh_plt_entry_le,
2094 VXWORKS_PLT_ENTRY_SIZE,
2095 { 8, 14, 20, FALSE },
2102 /* Big-endian PIC. */
2105 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2106 vxworks_sh_pic_plt_entry_be,
2107 VXWORKS_PLT_ENTRY_SIZE,
2108 { 8, MINUS_ONE, 20, FALSE },
2113 /* Little-endian PIC. */
2116 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2117 vxworks_sh_pic_plt_entry_le,
2118 VXWORKS_PLT_ENTRY_SIZE,
2119 { 8, MINUS_ONE, 20, FALSE },
2126 /* FDPIC PLT entries. Two unimplemented optimizations for lazy
2127 binding are to omit the lazy binding stub when linking with -z now
2128 and to move lazy binding stubs into a separate region for better
2131 #define FDPIC_PLT_ENTRY_SIZE 28
2132 #define FDPIC_PLT_LAZY_OFFSET 20
2134 /* FIXME: The lazy binding stub requires a plt0 - which may need to be
2135 duplicated if it is out of range, or which can be inlined. So
2136 right now it is always inlined, which wastes a word per stub. It
2137 might be easier to handle the duplication if we put the lazy
2138 stubs separately. */
2140 static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
2142 0xd0, 0x02, /* mov.l @(12,pc),r0 */
2143 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2144 0x70, 0x04, /* add #4, r0 */
2145 0x41, 0x2b, /* jmp @r1 */
2146 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2147 0x00, 0x09, /* nop */
2148 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2149 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2150 0x60, 0xc2, /* mov.l @r12,r0 */
2151 0x40, 0x2b, /* jmp @r0 */
2152 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2153 0x00, 0x09, /* nop */
2156 static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
2158 0x02, 0xd0, /* mov.l @(12,pc),r0 */
2159 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2160 0x04, 0x70, /* add #4, r0 */
2161 0x2b, 0x41, /* jmp @r1 */
2162 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2163 0x09, 0x00, /* nop */
2164 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2165 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2166 0xc2, 0x60, /* mov.l @r12,r0 */
2167 0x2b, 0x40, /* jmp @r0 */
2168 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2169 0x09, 0x00, /* nop */
2172 static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
2174 /* Big-endian PIC. */
2177 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2178 fdpic_sh_plt_entry_be,
2179 FDPIC_PLT_ENTRY_SIZE,
2180 { 12, MINUS_ONE, 16, FALSE },
2181 FDPIC_PLT_LAZY_OFFSET,
2185 /* Little-endian PIC. */
2188 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2189 fdpic_sh_plt_entry_le,
2190 FDPIC_PLT_ENTRY_SIZE,
2191 { 12, MINUS_ONE, 16, FALSE },
2192 FDPIC_PLT_LAZY_OFFSET,
2197 /* On SH2A, we can use the movi20 instruction to generate shorter PLT
2198 entries for the first 64K slots. We use the normal FDPIC PLT entry
2199 past that point; we could also use movi20s, which might be faster,
2200 but would not be any smaller. */
2202 #define FDPIC_SH2A_PLT_ENTRY_SIZE 24
2203 #define FDPIC_SH2A_PLT_LAZY_OFFSET 16
2205 static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2207 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2208 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2209 0x70, 0x04, /* add #4, r0 */
2210 0x41, 0x2b, /* jmp @r1 */
2211 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2212 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2213 0x60, 0xc2, /* mov.l @r12,r0 */
2214 0x40, 0x2b, /* jmp @r0 */
2215 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2216 0x00, 0x09, /* nop */
2219 static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2221 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2222 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2223 0x04, 0x70, /* add #4, r0 */
2224 0x2b, 0x41, /* jmp @r1 */
2225 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2226 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2227 0xc2, 0x60, /* mov.l @r12,r0 */
2228 0x2b, 0x40, /* jmp @r0 */
2229 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2230 0x09, 0x00, /* nop */
2233 static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
2234 /* Big-endian FDPIC, max index 64K. */
2237 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2238 fdpic_sh2a_plt_entry_be,
2239 FDPIC_SH2A_PLT_ENTRY_SIZE,
2240 { 0, MINUS_ONE, 12, TRUE },
2241 FDPIC_SH2A_PLT_LAZY_OFFSET,
2245 static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
2246 /* Little-endian FDPIC, max index 64K. */
2249 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2250 fdpic_sh2a_plt_entry_le,
2251 FDPIC_SH2A_PLT_ENTRY_SIZE,
2252 { 0, MINUS_ONE, 12, TRUE },
2253 FDPIC_SH2A_PLT_LAZY_OFFSET,
2257 static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
2259 /* Big-endian PIC. */
2262 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2263 fdpic_sh_plt_entry_be,
2264 FDPIC_PLT_ENTRY_SIZE,
2265 { 12, MINUS_ONE, 16, FALSE },
2266 FDPIC_PLT_LAZY_OFFSET,
2267 &fdpic_sh2a_short_plt_be
2270 /* Little-endian PIC. */
2273 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2274 fdpic_sh_plt_entry_le,
2275 FDPIC_PLT_ENTRY_SIZE,
2276 { 12, MINUS_ONE, 16, FALSE },
2277 FDPIC_PLT_LAZY_OFFSET,
2278 &fdpic_sh2a_short_plt_le
2282 /* Return the type of PLT associated with ABFD. PIC_P is true if
2283 the object is position-independent. */
2285 static const struct elf_sh_plt_info *
2286 get_plt_info (bfd *abfd, bfd_boolean pic_p)
2288 if (fdpic_object_p (abfd))
2290 /* If any input file requires SH2A we can use a shorter PLT
2292 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2293 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2295 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2297 if (vxworks_object_p (abfd))
2298 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2299 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2302 /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2303 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2307 install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2308 unsigned long value, bfd_byte *addr)
2310 bfd_put_32 (output_bfd, value, addr);
2314 /* The number of PLT entries which can use a shorter PLT, if any.
2315 Currently always 64K, since only SH-2A FDPIC uses this; a
2316 20-bit movi20 can address that many function descriptors below
2317 _GLOBAL_OFFSET_TABLE_. */
2318 #define MAX_SHORT_PLT 65536
2320 /* Return the index of the PLT entry at byte offset OFFSET. */
2323 get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2325 bfd_vma plt_index = 0;
2327 offset -= info->plt0_entry_size;
2328 if (info->short_plt != NULL)
2330 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2332 plt_index = MAX_SHORT_PLT;
2333 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2336 info = info->short_plt;
2338 return plt_index + offset / info->symbol_entry_size;
2341 /* Do the inverse operation. */
2344 get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
2348 if (info->short_plt != NULL)
2350 if (plt_index > MAX_SHORT_PLT)
2352 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2353 plt_index -= MAX_SHORT_PLT;
2356 info = info->short_plt;
2358 return (offset + info->plt0_entry_size
2359 + (plt_index * info->symbol_entry_size));
2362 /* The sh linker needs to keep track of the number of relocs that it
2363 decides to copy as dynamic relocs in check_relocs for each symbol.
2364 This is so that it can later discard them if they are found to be
2365 unnecessary. We store the information in a field extending the
2366 regular ELF linker hash table. */
2368 struct elf_sh_dyn_relocs
2370 struct elf_sh_dyn_relocs *next;
2372 /* The input section of the reloc. */
2375 /* Total number of relocs copied for the input section. */
2376 bfd_size_type count;
2378 /* Number of pc-relative relocs copied for the input section. */
2379 bfd_size_type pc_count;
2384 bfd_signed_vma refcount;
2388 /* sh ELF linker hash entry. */
2390 struct elf_sh_link_hash_entry
2392 struct elf_link_hash_entry root;
2394 #ifdef INCLUDE_SHMEDIA
2397 bfd_signed_vma refcount;
2402 /* Track dynamic relocs copied for this symbol. */
2403 struct elf_sh_dyn_relocs *dyn_relocs;
2405 bfd_signed_vma gotplt_refcount;
2407 /* A local function descriptor, for FDPIC. The refcount counts
2408 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2409 relocations; the PLT and GOT entry are accounted
2410 for separately. After adjust_dynamic_symbol, the offset is
2411 MINUS_ONE if there is no local descriptor (dynamic linker
2412 managed and no PLT entry, or undefined weak non-dynamic).
2413 During check_relocs we do not yet know whether the local
2414 descriptor will be canonical. */
2415 union gotref funcdesc;
2417 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2418 and thus require fixups or relocations. */
2419 bfd_signed_vma abs_funcdesc_refcount;
2422 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2426 #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2428 struct sh_elf_obj_tdata
2430 struct elf_obj_tdata root;
2432 /* got_type for each local got entry. */
2433 char *local_got_type;
2435 /* Function descriptor refcount and offset for each local symbol. */
2436 union gotref *local_funcdesc;
2439 #define sh_elf_tdata(abfd) \
2440 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2442 #define sh_elf_local_got_type(abfd) \
2443 (sh_elf_tdata (abfd)->local_got_type)
2445 #define sh_elf_local_funcdesc(abfd) \
2446 (sh_elf_tdata (abfd)->local_funcdesc)
2448 #define is_sh_elf(bfd) \
2449 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2450 && elf_tdata (bfd) != NULL \
2451 && elf_object_id (bfd) == SH_ELF_DATA)
2453 /* Override the generic function because we need to store sh_elf_obj_tdata
2454 as the specific tdata. */
2457 sh_elf_mkobject (bfd *abfd)
2459 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
2463 /* sh ELF linker hash table. */
2465 struct elf_sh_link_hash_table
2467 struct elf_link_hash_table root;
2469 /* Short-cuts to get to dynamic linker sections. */
2477 asection *sfuncdesc;
2478 asection *srelfuncdesc;
2481 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2484 /* Small local sym cache. */
2485 struct sym_cache sym_cache;
2487 /* A counter or offset to track a TLS got entry. */
2490 bfd_signed_vma refcount;
2494 /* The type of PLT to use. */
2495 const struct elf_sh_plt_info *plt_info;
2497 /* True if the target system is VxWorks. */
2498 bfd_boolean vxworks_p;
2500 /* True if the target system uses FDPIC. */
2501 bfd_boolean fdpic_p;
2504 /* Traverse an sh ELF linker hash table. */
2506 #define sh_elf_link_hash_traverse(table, func, info) \
2507 (elf_link_hash_traverse \
2509 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
2512 /* Get the sh ELF linker hash table from a link_info structure. */
2514 #define sh_elf_hash_table(p) \
2515 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2516 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
2518 /* Create an entry in an sh ELF linker hash table. */
2520 static struct bfd_hash_entry *
2521 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2522 struct bfd_hash_table *table,
2525 struct elf_sh_link_hash_entry *ret =
2526 (struct elf_sh_link_hash_entry *) entry;
2528 /* Allocate the structure if it has not already been allocated by a
2530 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2531 ret = ((struct elf_sh_link_hash_entry *)
2532 bfd_hash_allocate (table,
2533 sizeof (struct elf_sh_link_hash_entry)));
2534 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2535 return (struct bfd_hash_entry *) ret;
2537 /* Call the allocation method of the superclass. */
2538 ret = ((struct elf_sh_link_hash_entry *)
2539 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2541 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2543 ret->dyn_relocs = NULL;
2544 ret->gotplt_refcount = 0;
2545 #ifdef INCLUDE_SHMEDIA
2546 ret->datalabel_got.refcount = ret->root.got.refcount;
2548 ret->funcdesc.refcount = 0;
2549 ret->abs_funcdesc_refcount = 0;
2550 ret->got_type = GOT_UNKNOWN;
2553 return (struct bfd_hash_entry *) ret;
2556 /* Create an sh ELF linker hash table. */
2558 static struct bfd_link_hash_table *
2559 sh_elf_link_hash_table_create (bfd *abfd)
2561 struct elf_sh_link_hash_table *ret;
2562 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
2564 ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt);
2565 if (ret == (struct elf_sh_link_hash_table *) NULL)
2568 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2569 sh_elf_link_hash_newfunc,
2570 sizeof (struct elf_sh_link_hash_entry),
2577 ret->vxworks_p = vxworks_object_p (abfd);
2578 ret->fdpic_p = fdpic_object_p (abfd);
2580 return &ret->root.root;
2584 sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2585 struct bfd_link_info *info, asection *p)
2587 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2589 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2593 /* We need dynamic symbols for every section, since segments can
2594 relocate independently. */
2595 switch (elf_section_data (p)->this_hdr.sh_type)
2599 /* If sh_type is yet undecided, assume it could be
2600 SHT_PROGBITS/SHT_NOBITS. */
2604 /* There shouldn't be section relative relocations
2605 against any other section. */
2611 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2612 shortcuts to them in our hash table. */
2615 create_got_section (bfd *dynobj, struct bfd_link_info *info)
2617 struct elf_sh_link_hash_table *htab;
2619 if (! _bfd_elf_create_got_section (dynobj, info))
2622 htab = sh_elf_hash_table (info);
2626 htab->sgot = bfd_get_linker_section (dynobj, ".got");
2627 htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
2628 htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got");
2629 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
2632 htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
2633 (SEC_ALLOC | SEC_LOAD
2636 | SEC_LINKER_CREATED));
2637 if (htab->sfuncdesc == NULL
2638 || ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2))
2641 htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
2642 ".rela.got.funcdesc",
2643 (SEC_ALLOC | SEC_LOAD
2646 | SEC_LINKER_CREATED
2648 if (htab->srelfuncdesc == NULL
2649 || ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2))
2652 /* Also create .rofixup. */
2653 htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
2654 (SEC_ALLOC | SEC_LOAD
2657 | SEC_LINKER_CREATED
2659 if (htab->srofixup == NULL
2660 || ! bfd_set_section_alignment (dynobj, htab->srofixup, 2))
2666 /* Create dynamic sections when linking against a dynamic object. */
2669 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
2671 struct elf_sh_link_hash_table *htab;
2672 flagword flags, pltflags;
2674 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
2677 switch (bed->s->arch_size)
2688 bfd_set_error (bfd_error_bad_value);
2692 htab = sh_elf_hash_table (info);
2696 if (htab->root.dynamic_sections_created)
2699 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2700 .rel[a].bss sections. */
2702 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2703 | SEC_LINKER_CREATED);
2706 pltflags |= SEC_CODE;
2707 if (bed->plt_not_loaded)
2708 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2709 if (bed->plt_readonly)
2710 pltflags |= SEC_READONLY;
2712 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
2715 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2718 if (bed->want_plt_sym)
2720 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2722 struct elf_link_hash_entry *h;
2723 struct bfd_link_hash_entry *bh = NULL;
2725 if (! (_bfd_generic_link_add_one_symbol
2726 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
2727 (bfd_vma) 0, (const char *) NULL, FALSE,
2728 get_elf_backend_data (abfd)->collect, &bh)))
2731 h = (struct elf_link_hash_entry *) bh;
2733 h->type = STT_OBJECT;
2734 htab->root.hplt = h;
2736 if (bfd_link_pic (info)
2737 && ! bfd_elf_link_record_dynamic_symbol (info, h))
2741 s = bfd_make_section_anyway_with_flags (abfd,
2742 bed->default_use_rela_p
2743 ? ".rela.plt" : ".rel.plt",
2744 flags | SEC_READONLY);
2747 || ! bfd_set_section_alignment (abfd, s, ptralign))
2750 if (htab->sgot == NULL
2751 && !create_got_section (abfd, info))
2754 if (bed->want_dynbss)
2756 /* The .dynbss section is a place to put symbols which are defined
2757 by dynamic objects, are referenced by regular objects, and are
2758 not functions. We must allocate space for them in the process
2759 image and use a R_*_COPY reloc to tell the dynamic linker to
2760 initialize them at run time. The linker script puts the .dynbss
2761 section into the .bss section of the final image. */
2762 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2763 SEC_ALLOC | SEC_LINKER_CREATED);
2768 /* The .rel[a].bss section holds copy relocs. This section is not
2769 normally needed. We need to create it here, though, so that the
2770 linker will map it to an output section. We can't just create it
2771 only if we need it, because we will not know whether we need it
2772 until we have seen all the input files, and the first time the
2773 main linker code calls BFD after examining all the input files
2774 (size_dynamic_sections) the input sections have already been
2775 mapped to the output sections. If the section turns out not to
2776 be needed, we can discard it later. We will never need this
2777 section when generating a shared object, since they do not use
2779 if (! bfd_link_pic (info))
2781 s = bfd_make_section_anyway_with_flags (abfd,
2782 (bed->default_use_rela_p
2783 ? ".rela.bss" : ".rel.bss"),
2784 flags | SEC_READONLY);
2787 || ! bfd_set_section_alignment (abfd, s, ptralign))
2792 if (htab->vxworks_p)
2794 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2801 /* Adjust a symbol defined by a dynamic object and referenced by a
2802 regular object. The current definition is in some section of the
2803 dynamic object, but we're not including those sections. We have to
2804 change the definition to something the rest of the link can
2808 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2809 struct elf_link_hash_entry *h)
2811 struct elf_sh_link_hash_table *htab;
2812 struct elf_sh_link_hash_entry *eh;
2813 struct elf_sh_dyn_relocs *p;
2816 htab = sh_elf_hash_table (info);
2820 /* Make sure we know what is going on here. */
2821 BFD_ASSERT (htab->root.dynobj != NULL
2823 || h->u.weakdef != NULL
2826 && !h->def_regular)));
2828 /* If this is a function, put it in the procedure linkage table. We
2829 will fill in the contents of the procedure linkage table later,
2830 when we know the address of the .got section. */
2831 if (h->type == STT_FUNC
2834 if (h->plt.refcount <= 0
2835 || SYMBOL_CALLS_LOCAL (info, h)
2836 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2837 && h->root.type == bfd_link_hash_undefweak))
2839 /* This case can occur if we saw a PLT reloc in an input
2840 file, but the symbol was never referred to by a dynamic
2841 object. In such a case, we don't actually need to build
2842 a procedure linkage table, and we can just do a REL32
2844 h->plt.offset = (bfd_vma) -1;
2851 h->plt.offset = (bfd_vma) -1;
2853 /* If this is a weak symbol, and there is a real definition, the
2854 processor independent code will have arranged for us to see the
2855 real definition first, and we can just use the same value. */
2856 if (h->u.weakdef != NULL)
2858 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2859 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2860 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2861 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2862 if (info->nocopyreloc)
2863 h->non_got_ref = h->u.weakdef->non_got_ref;
2867 /* This is a reference to a symbol defined by a dynamic object which
2868 is not a function. */
2870 /* If we are creating a shared library, we must presume that the
2871 only references to the symbol are via the global offset table.
2872 For such cases we need not do anything here; the relocations will
2873 be handled correctly by relocate_section. */
2874 if (bfd_link_pic (info))
2877 /* If there are no references to this symbol that do not use the
2878 GOT, we don't need to generate a copy reloc. */
2879 if (!h->non_got_ref)
2882 /* If -z nocopyreloc was given, we won't generate them either. */
2883 if (info->nocopyreloc)
2889 eh = (struct elf_sh_link_hash_entry *) h;
2890 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2892 s = p->sec->output_section;
2893 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2897 /* If we didn't find any dynamic relocs in sections which needs the
2898 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2906 /* We must allocate the symbol in our .dynbss section, which will
2907 become part of the .bss section of the executable. There will be
2908 an entry for this symbol in the .dynsym section. The dynamic
2909 object will contain position independent code, so all references
2910 from the dynamic object to this symbol will go through the global
2911 offset table. The dynamic linker will use the .dynsym entry to
2912 determine the address it must put in the global offset table, so
2913 both the dynamic object and the regular object will refer to the
2914 same memory location for the variable. */
2917 BFD_ASSERT (s != NULL);
2919 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2920 copy the initial value out of the dynamic object and into the
2921 runtime process image. We need to remember the offset into the
2922 .rela.bss section we are going to use. */
2923 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2927 srel = htab->srelbss;
2928 BFD_ASSERT (srel != NULL);
2929 srel->size += sizeof (Elf32_External_Rela);
2933 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2936 /* Allocate space in .plt, .got and associated reloc sections for
2940 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2942 struct bfd_link_info *info;
2943 struct elf_sh_link_hash_table *htab;
2944 struct elf_sh_link_hash_entry *eh;
2945 struct elf_sh_dyn_relocs *p;
2947 if (h->root.type == bfd_link_hash_indirect)
2950 info = (struct bfd_link_info *) inf;
2951 htab = sh_elf_hash_table (info);
2955 eh = (struct elf_sh_link_hash_entry *) h;
2956 if ((h->got.refcount > 0
2958 && eh->gotplt_refcount > 0)
2960 /* The symbol has been forced local, or we have some direct got refs,
2961 so treat all the gotplt refs as got refs. */
2962 h->got.refcount += eh->gotplt_refcount;
2963 if (h->plt.refcount >= eh->gotplt_refcount)
2964 h->plt.refcount -= eh->gotplt_refcount;
2967 if (htab->root.dynamic_sections_created
2968 && h->plt.refcount > 0
2969 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2970 || h->root.type != bfd_link_hash_undefweak))
2972 /* Make sure this symbol is output as a dynamic symbol.
2973 Undefined weak syms won't yet be marked as dynamic. */
2974 if (h->dynindx == -1
2975 && !h->forced_local)
2977 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2981 if (bfd_link_pic (info)
2982 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
2984 asection *s = htab->splt;
2985 const struct elf_sh_plt_info *plt_info;
2987 /* If this is the first .plt entry, make room for the special
2990 s->size += htab->plt_info->plt0_entry_size;
2992 h->plt.offset = s->size;
2994 /* If this symbol is not defined in a regular file, and we are
2995 not generating a shared library, then set the symbol to this
2996 location in the .plt. This is required to make function
2997 pointers compare as equal between the normal executable and
2998 the shared library. Skip this for FDPIC, since the
2999 function's address will be the address of the canonical
3000 function descriptor. */
3001 if (!htab->fdpic_p && !bfd_link_pic (info) && !h->def_regular)
3003 h->root.u.def.section = s;
3004 h->root.u.def.value = h->plt.offset;
3007 /* Make room for this entry. */
3008 plt_info = htab->plt_info;
3009 if (plt_info->short_plt != NULL
3010 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
3011 plt_info = plt_info->short_plt;
3012 s->size += plt_info->symbol_entry_size;
3014 /* We also need to make an entry in the .got.plt section, which
3015 will be placed in the .got section by the linker script. */
3017 htab->sgotplt->size += 4;
3019 htab->sgotplt->size += 8;
3021 /* We also need to make an entry in the .rel.plt section. */
3022 htab->srelplt->size += sizeof (Elf32_External_Rela);
3024 if (htab->vxworks_p && !bfd_link_pic (info))
3026 /* VxWorks executables have a second set of relocations
3027 for each PLT entry. They go in a separate relocation
3028 section, which is processed by the kernel loader. */
3030 /* There is a relocation for the initial PLT entry:
3031 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
3032 if (h->plt.offset == htab->plt_info->plt0_entry_size)
3033 htab->srelplt2->size += sizeof (Elf32_External_Rela);
3035 /* There are two extra relocations for each subsequent
3036 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
3037 and an R_SH_DIR32 relocation for the PLT entry. */
3038 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
3043 h->plt.offset = (bfd_vma) -1;
3049 h->plt.offset = (bfd_vma) -1;
3053 if (h->got.refcount > 0)
3057 enum got_type got_type = sh_elf_hash_entry (h)->got_type;
3059 /* Make sure this symbol is output as a dynamic symbol.
3060 Undefined weak syms won't yet be marked as dynamic. */
3061 if (h->dynindx == -1
3062 && !h->forced_local)
3064 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3069 h->got.offset = s->size;
3071 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
3072 if (got_type == GOT_TLS_GD)
3074 dyn = htab->root.dynamic_sections_created;
3077 /* No dynamic relocations required. */
3078 if (htab->fdpic_p && !bfd_link_pic (info)
3079 && h->root.type != bfd_link_hash_undefweak
3080 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
3081 htab->srofixup->size += 4;
3083 /* No dynamic relocations required when IE->LE conversion happens. */
3084 else if (got_type == GOT_TLS_IE
3086 && !bfd_link_pic (info))
3088 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3089 R_SH_TLS_GD needs one if local symbol and two if global. */
3090 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
3091 || got_type == GOT_TLS_IE)
3092 htab->srelgot->size += sizeof (Elf32_External_Rela);
3093 else if (got_type == GOT_TLS_GD)
3094 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
3095 else if (got_type == GOT_FUNCDESC)
3097 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
3098 htab->srofixup->size += 4;
3100 htab->srelgot->size += sizeof (Elf32_External_Rela);
3102 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3103 || h->root.type != bfd_link_hash_undefweak)
3104 && (bfd_link_pic (info)
3105 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
3106 htab->srelgot->size += sizeof (Elf32_External_Rela);
3107 else if (htab->fdpic_p
3108 && !bfd_link_pic (info)
3109 && got_type == GOT_NORMAL
3110 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3111 || h->root.type != bfd_link_hash_undefweak))
3112 htab->srofixup->size += 4;
3115 h->got.offset = (bfd_vma) -1;
3117 #ifdef INCLUDE_SHMEDIA
3118 if (eh->datalabel_got.refcount > 0)
3123 /* Make sure this symbol is output as a dynamic symbol.
3124 Undefined weak syms won't yet be marked as dynamic. */
3125 if (h->dynindx == -1
3126 && !h->forced_local)
3128 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3133 eh->datalabel_got.offset = s->size;
3135 dyn = htab->root.dynamic_sections_created;
3136 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
3137 htab->srelgot->size += sizeof (Elf32_External_Rela);
3140 eh->datalabel_got.offset = (bfd_vma) -1;
3143 /* Allocate space for any dynamic relocations to function
3144 descriptors, canonical or otherwise. We need to relocate the
3145 reference unless it resolves to zero, which only happens for
3146 undefined weak symbols (either non-default visibility, or when
3147 static linking). Any GOT slot is accounted for elsewhere. */
3148 if (eh->abs_funcdesc_refcount > 0
3149 && (h->root.type != bfd_link_hash_undefweak
3150 || (htab->root.dynamic_sections_created
3151 && ! SYMBOL_CALLS_LOCAL (info, h))))
3153 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
3154 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
3157 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
3160 /* We must allocate a function descriptor if there are references to
3161 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
3162 the dynamic linker isn't going to allocate it. None of this
3163 applies if we already created one in .got.plt, but if the
3164 canonical function descriptor can be in this object, there
3165 won't be a PLT entry at all. */
3166 if ((eh->funcdesc.refcount > 0
3167 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
3168 && h->root.type != bfd_link_hash_undefweak
3169 && SYMBOL_FUNCDESC_LOCAL (info, h))
3171 /* Make room for this function descriptor. */
3172 eh->funcdesc.offset = htab->sfuncdesc->size;
3173 htab->sfuncdesc->size += 8;
3175 /* We will need a relocation or two fixups to initialize the
3176 function descriptor, so allocate those too. */
3177 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
3178 htab->srofixup->size += 8;
3180 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3183 if (eh->dyn_relocs == NULL)
3186 /* In the shared -Bsymbolic case, discard space allocated for
3187 dynamic pc-relative relocs against symbols which turn out to be
3188 defined in regular objects. For the normal shared case, discard
3189 space for pc-relative relocs that have become local due to symbol
3190 visibility changes. */
3192 if (bfd_link_pic (info))
3194 if (SYMBOL_CALLS_LOCAL (info, h))
3196 struct elf_sh_dyn_relocs **pp;
3198 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3200 p->count -= p->pc_count;
3209 if (htab->vxworks_p)
3211 struct elf_sh_dyn_relocs **pp;
3213 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3215 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
3222 /* Also discard relocs on undefined weak syms with non-default
3224 if (eh->dyn_relocs != NULL
3225 && h->root.type == bfd_link_hash_undefweak)
3227 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3228 eh->dyn_relocs = NULL;
3230 /* Make sure undefined weak symbols are output as a dynamic
3232 else if (h->dynindx == -1
3233 && !h->forced_local)
3235 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3242 /* For the non-shared case, discard space for relocs against
3243 symbols which turn out to need copy relocs or are not
3249 || (htab->root.dynamic_sections_created
3250 && (h->root.type == bfd_link_hash_undefweak
3251 || h->root.type == bfd_link_hash_undefined))))
3253 /* Make sure this symbol is output as a dynamic symbol.
3254 Undefined weak syms won't yet be marked as dynamic. */
3255 if (h->dynindx == -1
3256 && !h->forced_local)
3258 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3262 /* If that succeeded, we know we'll be keeping all the
3264 if (h->dynindx != -1)
3268 eh->dyn_relocs = NULL;
3273 /* Finally, allocate space. */
3274 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3276 asection *sreloc = elf_section_data (p->sec)->sreloc;
3277 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3279 /* If we need relocations, we do not need fixups. */
3280 if (htab->fdpic_p && !bfd_link_pic (info))
3281 htab->srofixup->size -= 4 * (p->count - p->pc_count);
3287 /* Find any dynamic relocs that apply to read-only sections. */
3290 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3292 struct elf_sh_link_hash_entry *eh;
3293 struct elf_sh_dyn_relocs *p;
3295 eh = (struct elf_sh_link_hash_entry *) h;
3296 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3298 asection *s = p->sec->output_section;
3300 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3302 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3304 info->flags |= DF_TEXTREL;
3306 /* Not an error, just cut short the traversal. */
3313 /* This function is called after all the input files have been read,
3314 and the input sections have been assigned to output sections.
3315 It's a convenient place to determine the PLT style. */
3318 sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3320 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd,
3321 bfd_link_pic (info));
3323 if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_relocatable (info)
3324 && !bfd_elf_stack_segment_size (output_bfd, info,
3325 "__stacksize", DEFAULT_STACK_SIZE))
3330 /* Set the sizes of the dynamic sections. */
3333 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3334 struct bfd_link_info *info)
3336 struct elf_sh_link_hash_table *htab;
3342 htab = sh_elf_hash_table (info);
3346 dynobj = htab->root.dynobj;
3347 BFD_ASSERT (dynobj != NULL);
3349 if (htab->root.dynamic_sections_created)
3351 /* Set the contents of the .interp section to the interpreter. */
3352 if (bfd_link_executable (info) && !info->nointerp)
3354 s = bfd_get_linker_section (dynobj, ".interp");
3355 BFD_ASSERT (s != NULL);
3356 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3357 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3361 /* Set up .got offsets for local syms, and space for local dynamic
3363 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
3365 bfd_signed_vma *local_got;
3366 bfd_signed_vma *end_local_got;
3367 union gotref *local_funcdesc, *end_local_funcdesc;
3368 char *local_got_type;
3369 bfd_size_type locsymcount;
3370 Elf_Internal_Shdr *symtab_hdr;
3373 if (! is_sh_elf (ibfd))
3376 for (s = ibfd->sections; s != NULL; s = s->next)
3378 struct elf_sh_dyn_relocs *p;
3380 for (p = ((struct elf_sh_dyn_relocs *)
3381 elf_section_data (s)->local_dynrel);
3385 if (! bfd_is_abs_section (p->sec)
3386 && bfd_is_abs_section (p->sec->output_section))
3388 /* Input section has been discarded, either because
3389 it is a copy of a linkonce section or due to
3390 linker script /DISCARD/, so we'll be discarding
3393 else if (htab->vxworks_p
3394 && strcmp (p->sec->output_section->name,
3397 /* Relocations in vxworks .tls_vars sections are
3398 handled specially by the loader. */
3400 else if (p->count != 0)
3402 srel = elf_section_data (p->sec)->sreloc;
3403 srel->size += p->count * sizeof (Elf32_External_Rela);
3404 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3405 info->flags |= DF_TEXTREL;
3407 /* If we need relocations, we do not need fixups. */
3408 if (htab->fdpic_p && !bfd_link_pic (info))
3409 htab->srofixup->size -= 4 * (p->count - p->pc_count);
3414 symtab_hdr = &elf_symtab_hdr (ibfd);
3415 locsymcount = symtab_hdr->sh_info;
3416 #ifdef INCLUDE_SHMEDIA
3417 /* Count datalabel local GOT. */
3421 srel = htab->srelgot;
3423 local_got = elf_local_got_refcounts (ibfd);
3426 end_local_got = local_got + locsymcount;
3427 local_got_type = sh_elf_local_got_type (ibfd);
3428 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3429 for (; local_got < end_local_got; ++local_got)
3433 *local_got = s->size;
3435 if (*local_got_type == GOT_TLS_GD)
3437 if (bfd_link_pic (info))
3438 srel->size += sizeof (Elf32_External_Rela);
3440 htab->srofixup->size += 4;
3442 if (*local_got_type == GOT_FUNCDESC)
3444 if (local_funcdesc == NULL)
3448 size = locsymcount * sizeof (union gotref);
3449 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3451 if (local_funcdesc == NULL)
3453 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3454 local_funcdesc += (local_got
3455 - elf_local_got_refcounts (ibfd));
3457 local_funcdesc->refcount++;
3462 *local_got = (bfd_vma) -1;
3467 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3470 end_local_funcdesc = local_funcdesc + locsymcount;
3472 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3474 if (local_funcdesc->refcount > 0)
3476 local_funcdesc->offset = htab->sfuncdesc->size;
3477 htab->sfuncdesc->size += 8;
3478 if (!bfd_link_pic (info))
3479 htab->srofixup->size += 8;
3481 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3484 local_funcdesc->offset = MINUS_ONE;
3490 if (htab->tls_ldm_got.refcount > 0)
3492 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3494 htab->tls_ldm_got.offset = htab->sgot->size;
3495 htab->sgot->size += 8;
3496 htab->srelgot->size += sizeof (Elf32_External_Rela);
3499 htab->tls_ldm_got.offset = -1;
3501 /* Only the reserved entries should be present. For FDPIC, they go at
3502 the end of .got.plt. */
3505 BFD_ASSERT (htab->sgotplt && htab->sgotplt->size == 12);
3506 htab->sgotplt->size = 0;
3509 /* Allocate global sym .plt and .got entries, and space for global
3510 sym dynamic relocs. */
3511 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
3513 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3514 end of the FDPIC .got.plt. */
3517 htab->root.hgot->root.u.def.value = htab->sgotplt->size;
3518 htab->sgotplt->size += 12;
3521 /* At the very end of the .rofixup section is a pointer to the GOT. */
3522 if (htab->fdpic_p && htab->srofixup != NULL)
3523 htab->srofixup->size += 4;
3525 /* We now have determined the sizes of the various dynamic sections.
3526 Allocate memory for them. */
3528 for (s = dynobj->sections; s != NULL; s = s->next)
3530 if ((s->flags & SEC_LINKER_CREATED) == 0)
3535 || s == htab->sgotplt
3536 || s == htab->sfuncdesc
3537 || s == htab->srofixup
3538 || s == htab->sdynbss)
3540 /* Strip this section if we don't need it; see the
3543 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3545 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
3548 /* We use the reloc_count field as a counter if we need
3549 to copy relocs into the output file. */
3554 /* It's not one of our sections, so don't allocate space. */
3560 /* If we don't need this section, strip it from the
3561 output file. This is mostly to handle .rela.bss and
3562 .rela.plt. We must create both sections in
3563 create_dynamic_sections, because they must be created
3564 before the linker maps input sections to output
3565 sections. The linker does that before
3566 adjust_dynamic_symbol is called, and it is that
3567 function which decides whether anything needs to go
3568 into these sections. */
3570 s->flags |= SEC_EXCLUDE;
3574 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3577 /* Allocate memory for the section contents. We use bfd_zalloc
3578 here in case unused entries are not reclaimed before the
3579 section's contents are written out. This should not happen,
3580 but this way if it does, we get a R_SH_NONE reloc instead
3582 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
3583 if (s->contents == NULL)
3587 if (htab->root.dynamic_sections_created)
3589 /* Add some entries to the .dynamic section. We fill in the
3590 values later, in sh_elf_finish_dynamic_sections, but we
3591 must add the entries now so that we get the correct size for
3592 the .dynamic section. The DT_DEBUG entry is filled in by the
3593 dynamic linker and used by the debugger. */
3594 #define add_dynamic_entry(TAG, VAL) \
3595 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3597 if (bfd_link_executable (info))
3599 if (! add_dynamic_entry (DT_DEBUG, 0))
3603 if (htab->splt->size != 0)
3605 if (! add_dynamic_entry (DT_PLTGOT, 0)
3606 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3607 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3608 || ! add_dynamic_entry (DT_JMPREL, 0))
3611 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC))
3613 if (! add_dynamic_entry (DT_PLTGOT, 0))
3619 if (! add_dynamic_entry (DT_RELA, 0)
3620 || ! add_dynamic_entry (DT_RELASZ, 0)
3621 || ! add_dynamic_entry (DT_RELAENT,
3622 sizeof (Elf32_External_Rela)))
3625 /* If any dynamic relocs apply to a read-only section,
3626 then we need a DT_TEXTREL entry. */
3627 if ((info->flags & DF_TEXTREL) == 0)
3628 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
3630 if ((info->flags & DF_TEXTREL) != 0)
3632 if (! add_dynamic_entry (DT_TEXTREL, 0))
3637 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3640 #undef add_dynamic_entry
3645 /* Add a dynamic relocation to the SRELOC section. */
3647 inline static bfd_vma
3648 sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3649 int reloc_type, long dynindx, bfd_vma addend)
3651 Elf_Internal_Rela outrel;
3652 bfd_vma reloc_offset;
3654 outrel.r_offset = offset;
3655 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3656 outrel.r_addend = addend;
3658 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3659 BFD_ASSERT (reloc_offset < sreloc->size);
3660 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3661 sreloc->contents + reloc_offset);
3662 sreloc->reloc_count++;
3664 return reloc_offset;
3667 /* Add an FDPIC read-only fixup. */
3670 sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3672 bfd_vma fixup_offset;
3674 fixup_offset = srofixup->reloc_count++ * 4;
3675 BFD_ASSERT (fixup_offset < srofixup->size);
3676 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3679 /* Return the offset of the generated .got section from the
3680 _GLOBAL_OFFSET_TABLE_ symbol. */
3682 static bfd_signed_vma
3683 sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3685 return (htab->sgot->output_offset - htab->sgotplt->output_offset
3686 - htab->root.hgot->root.u.def.value);
3689 /* Find the segment number in which OSEC, and output section, is
3693 sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3695 Elf_Internal_Phdr *p = NULL;
3697 if (output_bfd->xvec->flavour == bfd_target_elf_flavour
3698 /* PR ld/17110: Do not look for output segments in an input bfd. */
3699 && output_bfd->direction != read_direction)
3700 p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
3702 /* FIXME: Nothing ever says what this index is relative to. The kernel
3703 supplies data in terms of the number of load segments but this is
3704 a phdr index and the first phdr may not be a load segment. */
3705 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3709 sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3711 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3713 return (seg != (unsigned) -1
3714 && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
3717 /* Generate the initial contents of a local function descriptor, along
3718 with any relocations or fixups required. */
3720 sh_elf_initialize_funcdesc (bfd *output_bfd,
3721 struct bfd_link_info *info,
3722 struct elf_link_hash_entry *h,
3727 struct elf_sh_link_hash_table *htab;
3731 htab = sh_elf_hash_table (info);
3733 /* FIXME: The ABI says that the offset to the function goes in the
3734 descriptor, along with the segment index. We're RELA, so it could
3735 go in the reloc instead... */
3737 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3739 section = h->root.u.def.section;
3740 value = h->root.u.def.value;
3743 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3745 dynindx = elf_section_data (section->output_section)->dynindx;
3746 addr = value + section->output_offset;
3747 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3751 BFD_ASSERT (h->dynindx != -1);
3752 dynindx = h->dynindx;
3756 if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
3758 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3760 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3762 + htab->sfuncdesc->output_section->vma
3763 + htab->sfuncdesc->output_offset);
3764 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3766 + htab->sfuncdesc->output_section->vma
3767 + htab->sfuncdesc->output_offset);
3770 /* There are no dynamic relocations so fill in the final
3771 address and gp value (barring fixups). */
3772 addr += section->output_section->vma;
3773 seg = htab->root.hgot->root.u.def.value
3774 + htab->root.hgot->root.u.def.section->output_section->vma
3775 + htab->root.hgot->root.u.def.section->output_offset;
3778 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3780 + htab->sfuncdesc->output_section->vma
3781 + htab->sfuncdesc->output_offset,
3782 R_SH_FUNCDESC_VALUE, dynindx, 0);
3784 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3785 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3790 /* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3791 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3794 static bfd_reloc_status_type
3795 install_movi20_field (bfd *output_bfd, unsigned long relocation,
3796 bfd *input_bfd, asection *input_section,
3797 bfd_byte *contents, bfd_vma offset)
3799 unsigned long cur_val;
3801 bfd_reloc_status_type r;
3803 if (offset > bfd_get_section_limit (input_bfd, input_section))
3804 return bfd_reloc_outofrange;
3806 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3807 bfd_arch_bits_per_address (input_bfd), relocation);
3808 if (r != bfd_reloc_ok)
3811 addr = contents + offset;
3812 cur_val = bfd_get_16 (output_bfd, addr);
3813 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3814 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3816 return bfd_reloc_ok;
3819 /* Relocate an SH ELF section. */
3822 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3823 bfd *input_bfd, asection *input_section,
3824 bfd_byte *contents, Elf_Internal_Rela *relocs,
3825 Elf_Internal_Sym *local_syms,
3826 asection **local_sections)
3828 struct elf_sh_link_hash_table *htab;
3829 Elf_Internal_Shdr *symtab_hdr;
3830 struct elf_link_hash_entry **sym_hashes;
3831 Elf_Internal_Rela *rel, *relend;
3833 bfd_vma *local_got_offsets;
3834 asection *sgot = NULL;
3835 asection *sgotplt = NULL;
3836 asection *splt = NULL;
3837 asection *sreloc = NULL;
3838 asection *srelgot = NULL;
3839 bfd_boolean is_vxworks_tls;
3840 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
3841 bfd_boolean fdpic_p = FALSE;
3843 BFD_ASSERT (is_sh_elf (input_bfd));
3845 htab = sh_elf_hash_table (info);
3848 dynobj = htab->root.dynobj;
3850 sgotplt = htab->sgotplt;
3852 fdpic_p = htab->fdpic_p;
3854 symtab_hdr = &elf_symtab_hdr (input_bfd);
3855 sym_hashes = elf_sym_hashes (input_bfd);
3856 local_got_offsets = elf_local_got_offsets (input_bfd);
3858 isec_segment = sh_elf_osec_to_segment (output_bfd,
3859 input_section->output_section);
3860 if (fdpic_p && sgot)
3861 got_segment = sh_elf_osec_to_segment (output_bfd,
3862 sgot->output_section);
3865 if (fdpic_p && splt)
3866 plt_segment = sh_elf_osec_to_segment (output_bfd,
3867 splt->output_section);
3871 /* We have to handle relocations in vxworks .tls_vars sections
3872 specially, because the dynamic loader is 'weird'. */
3873 is_vxworks_tls = (htab && htab->vxworks_p && bfd_link_pic (info)
3874 && !strcmp (input_section->output_section->name,
3878 relend = relocs + input_section->reloc_count;
3879 for (; rel < relend; rel++)
3882 reloc_howto_type *howto;
3883 unsigned long r_symndx;
3884 Elf_Internal_Sym *sym;
3886 struct elf_link_hash_entry *h;
3888 bfd_vma addend = (bfd_vma) 0;
3889 bfd_reloc_status_type r;
3890 int seen_stt_datalabel = 0;
3892 enum got_type got_type;
3893 const char *symname = NULL;
3895 r_symndx = ELF32_R_SYM (rel->r_info);
3897 r_type = ELF32_R_TYPE (rel->r_info);
3899 /* Many of the relocs are only used for relaxing, and are
3900 handled entirely by the relaxation code. */
3901 if (r_type >= (int) R_SH_GNU_VTINHERIT
3902 && r_type <= (int) R_SH_LABEL)
3904 if (r_type == (int) R_SH_NONE)
3908 || r_type >= R_SH_max
3909 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
3910 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
3911 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3912 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
3913 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3914 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3915 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3916 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3917 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3918 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
3919 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
3920 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
3922 bfd_set_error (bfd_error_bad_value);
3926 howto = get_howto_table (output_bfd) + r_type;
3928 /* For relocs that aren't partial_inplace, we get the addend from
3930 if (! howto->partial_inplace)
3931 addend = rel->r_addend;
3936 check_segment[0] = -1;
3937 check_segment[1] = -1;
3938 if (r_symndx < symtab_hdr->sh_info)
3940 sym = local_syms + r_symndx;
3941 sec = local_sections[r_symndx];
3943 symname = bfd_elf_string_from_elf_section
3944 (input_bfd, symtab_hdr->sh_link, sym->st_name);
3945 if (symname == NULL || *symname == '\0')
3946 symname = bfd_section_name (input_bfd, sec);
3948 relocation = (sec->output_section->vma
3949 + sec->output_offset
3951 /* A local symbol never has STO_SH5_ISA32, so we don't need
3952 datalabel processing here. Make sure this does not change
3954 if ((sym->st_other & STO_SH5_ISA32) != 0)
3955 (*info->callbacks->reloc_dangerous)
3957 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3958 input_bfd, input_section, rel->r_offset);
3960 if (sec != NULL && discarded_section (sec))
3961 /* Handled below. */
3963 else if (bfd_link_relocatable (info))
3965 /* This is a relocatable link. We don't have to change
3966 anything, unless the reloc is against a section symbol,
3967 in which case we have to adjust according to where the
3968 section symbol winds up in the output section. */
3969 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3971 if (! howto->partial_inplace)
3973 /* For relocations with the addend in the
3974 relocation, we need just to update the addend.
3975 All real relocs are of type partial_inplace; this
3976 code is mostly for completeness. */
3977 rel->r_addend += sec->output_offset;
3982 /* Relocs of type partial_inplace need to pick up the
3983 contents in the contents and add the offset resulting
3984 from the changed location of the section symbol.
3985 Using _bfd_final_link_relocate (e.g. goto
3986 final_link_relocate) here would be wrong, because
3987 relocations marked pc_relative would get the current
3988 location subtracted, and we must only do that at the
3990 r = _bfd_relocate_contents (howto, input_bfd,
3993 contents + rel->r_offset);
3994 goto relocation_done;
3999 else if (! howto->partial_inplace)
4001 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
4002 addend = rel->r_addend;
4004 else if ((sec->flags & SEC_MERGE)
4005 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4009 if (howto->rightshift || howto->src_mask != 0xffffffff)
4011 (*_bfd_error_handler)
4012 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4013 input_bfd, input_section,
4014 (long) rel->r_offset, howto->name);
4018 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4021 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4023 addend += msec->output_section->vma + msec->output_offset;
4024 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4030 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4033 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4034 symname = h->root.root.string;
4035 while (h->root.type == bfd_link_hash_indirect
4036 || h->root.type == bfd_link_hash_warning)
4038 #ifdef INCLUDE_SHMEDIA
4039 /* If the reference passes a symbol marked with
4040 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4042 seen_stt_datalabel |= h->type == STT_DATALABEL;
4044 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4046 if (h->root.type == bfd_link_hash_defined
4047 || h->root.type == bfd_link_hash_defweak)
4051 dyn = htab ? htab->root.dynamic_sections_created : FALSE;
4052 sec = h->root.u.def.section;
4053 /* In these cases, we don't need the relocation value.
4054 We check specially because in some obscure cases
4055 sec->output_section will be NULL. */
4056 if (r_type == R_SH_GOTPC
4057 || r_type == R_SH_GOTPC_LOW16
4058 || r_type == R_SH_GOTPC_MEDLOW16
4059 || r_type == R_SH_GOTPC_MEDHI16
4060 || r_type == R_SH_GOTPC_HI16
4061 || ((r_type == R_SH_PLT32
4062 || r_type == R_SH_PLT_LOW16
4063 || r_type == R_SH_PLT_MEDLOW16
4064 || r_type == R_SH_PLT_MEDHI16
4065 || r_type == R_SH_PLT_HI16)
4066 && h->plt.offset != (bfd_vma) -1)
4067 || ((r_type == R_SH_GOT32
4068 || r_type == R_SH_GOT20
4069 || r_type == R_SH_GOTFUNCDESC
4070 || r_type == R_SH_GOTFUNCDESC20
4071 || r_type == R_SH_GOTOFFFUNCDESC
4072 || r_type == R_SH_GOTOFFFUNCDESC20
4073 || r_type == R_SH_FUNCDESC
4074 || r_type == R_SH_GOT_LOW16
4075 || r_type == R_SH_GOT_MEDLOW16
4076 || r_type == R_SH_GOT_MEDHI16
4077 || r_type == R_SH_GOT_HI16)
4078 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
4079 bfd_link_pic (info),
4081 && (! bfd_link_pic (info)
4082 || (! info->symbolic && h->dynindx != -1)
4083 || !h->def_regular))
4084 /* The cases above are those in which relocation is
4085 overwritten in the switch block below. The cases
4086 below are those in which we must defer relocation
4087 to run-time, because we can't resolve absolute
4088 addresses when creating a shared library. */
4089 || (bfd_link_pic (info)
4090 && ((! info->symbolic && h->dynindx != -1)
4092 && ((r_type == R_SH_DIR32
4093 && !h->forced_local)
4094 || (r_type == R_SH_REL32
4095 && !SYMBOL_CALLS_LOCAL (info, h)))
4096 && ((input_section->flags & SEC_ALLOC) != 0
4097 /* DWARF will emit R_SH_DIR32 relocations in its
4098 sections against symbols defined externally
4099 in shared libraries. We can't do anything
4101 || ((input_section->flags & SEC_DEBUGGING) != 0
4102 && h->def_dynamic)))
4103 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4104 sections because such sections are not SEC_ALLOC and
4105 thus ld.so will not process them. */
4106 || (sec->output_section == NULL
4107 && ((input_section->flags & SEC_DEBUGGING) != 0
4109 || (sec->output_section == NULL
4110 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
4111 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
4113 else if (sec->output_section != NULL)
4114 relocation = ((h->root.u.def.value
4115 + sec->output_section->vma
4116 + sec->output_offset)
4117 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4118 symbol value, unless we've seen
4119 STT_DATALABEL on the way to it. */
4120 | ((h->other & STO_SH5_ISA32) != 0
4121 && ! seen_stt_datalabel));
4122 else if (!bfd_link_relocatable (info)
4123 && (_bfd_elf_section_offset (output_bfd, info,
4128 (*_bfd_error_handler)
4129 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4132 (long) rel->r_offset,
4134 h->root.root.string);
4138 else if (h->root.type == bfd_link_hash_undefweak)
4140 else if (info->unresolved_syms_in_objects == RM_IGNORE
4141 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4143 else if (!bfd_link_relocatable (info))
4144 (*info->callbacks->undefined_symbol)
4145 (info, h->root.root.string, input_bfd,
4146 input_section, rel->r_offset,
4147 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4148 || ELF_ST_VISIBILITY (h->other)));
4151 if (sec != NULL && discarded_section (sec))
4152 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
4153 rel, 1, relend, howto, 0, contents);
4155 if (bfd_link_relocatable (info))
4158 /* Check for inter-segment relocations in FDPIC files. Most
4159 relocations connect the relocation site to the location of
4160 the target symbol, but there are some exceptions below. */
4161 check_segment[0] = isec_segment;
4163 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
4164 sec->output_section);
4166 check_segment[1] = -1;
4168 switch ((int) r_type)
4170 final_link_relocate:
4171 /* COFF relocs don't use the addend. The addend is used for
4172 R_SH_DIR32 to be compatible with other compilers. */
4173 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4174 contents, rel->r_offset,
4175 relocation, addend);
4179 goto final_link_relocate;
4184 /* If the reloc is against the start of this section, then
4185 the assembler has already taken care of it and the reloc
4186 is here only to assist in relaxing. If the reloc is not
4187 against the start of this section, then it's against an
4188 external symbol and we must deal with it ourselves. */
4189 if (input_section->output_section->vma + input_section->output_offset
4192 int disp = (relocation
4193 - input_section->output_section->vma
4194 - input_section->output_offset
4200 case R_SH_DIR8WPZ: mask = 1; break;
4201 case R_SH_DIR8WPL: mask = 3; break;
4202 default: mask = 0; break;
4206 ((*_bfd_error_handler)
4207 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4208 input_section->owner,
4209 (unsigned long) rel->r_offset));
4210 bfd_set_error (bfd_error_bad_value);
4214 goto final_link_relocate;
4220 #ifdef INCLUDE_SHMEDIA
4221 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4222 contents, rel, &relocation))
4223 goto final_link_relocate;
4225 bfd_set_error (bfd_error_bad_value);
4233 goto final_link_relocate;
4239 ((*_bfd_error_handler)
4240 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4241 input_section->owner,
4242 (unsigned long) rel->r_offset, howto->name,
4243 (unsigned long) relocation));
4244 bfd_set_error (bfd_error_bad_value);
4247 goto final_link_relocate;
4254 ((*_bfd_error_handler)
4255 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4256 input_section->owner,
4257 (unsigned long) rel->r_offset, howto->name,
4258 (unsigned long) relocation));
4259 bfd_set_error (bfd_error_bad_value);
4262 goto final_link_relocate;
4265 if ((signed int)relocation < -32
4266 || (signed int)relocation > 32)
4268 ((*_bfd_error_handler)
4269 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4270 input_section->owner,
4271 (unsigned long) rel->r_offset,
4272 (unsigned long) relocation));
4273 bfd_set_error (bfd_error_bad_value);
4276 goto final_link_relocate;
4279 if ((signed int)relocation < -16
4280 || (signed int)relocation > 16)
4282 ((*_bfd_error_handler)
4283 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4284 input_section->owner,
4285 (unsigned long) rel->r_offset,
4286 (unsigned long) relocation));
4287 bfd_set_error (bfd_error_bad_value);
4290 goto final_link_relocate;
4294 #ifdef INCLUDE_SHMEDIA
4295 case R_SH_IMM_LOW16_PCREL:
4296 case R_SH_IMM_MEDLOW16_PCREL:
4297 case R_SH_IMM_MEDHI16_PCREL:
4298 case R_SH_IMM_HI16_PCREL:
4300 if (bfd_link_pic (info)
4302 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4303 || h->root.type != bfd_link_hash_undefweak)
4304 && r_symndx != STN_UNDEF
4305 && (input_section->flags & SEC_ALLOC) != 0
4307 && (r_type == R_SH_DIR32
4308 || !SYMBOL_CALLS_LOCAL (info, h)))
4310 Elf_Internal_Rela outrel;
4312 bfd_boolean skip, relocate;
4314 /* When generating a shared object, these relocations
4315 are copied into the output file to be resolved at run
4320 sreloc = _bfd_elf_get_dynamic_reloc_section
4321 (input_bfd, input_section, /*rela?*/ TRUE);
4330 _bfd_elf_section_offset (output_bfd, info, input_section,
4332 if (outrel.r_offset == (bfd_vma) -1)
4334 else if (outrel.r_offset == (bfd_vma) -2)
4335 skip = TRUE, relocate = TRUE;
4336 outrel.r_offset += (input_section->output_section->vma
4337 + input_section->output_offset);
4340 memset (&outrel, 0, sizeof outrel);
4341 else if (r_type == R_SH_REL32)
4343 BFD_ASSERT (h != NULL && h->dynindx != -1);
4344 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4346 = (howto->partial_inplace
4347 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4350 #ifdef INCLUDE_SHMEDIA
4351 else if (r_type == R_SH_IMM_LOW16_PCREL
4352 || r_type == R_SH_IMM_MEDLOW16_PCREL
4353 || r_type == R_SH_IMM_MEDHI16_PCREL
4354 || r_type == R_SH_IMM_HI16_PCREL)
4356 BFD_ASSERT (h != NULL && h->dynindx != -1);
4357 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4358 outrel.r_addend = addend;
4363 || ((info->symbolic || h->dynindx == -1)
4364 && h->def_regular)))
4368 BFD_ASSERT (sec != NULL);
4369 BFD_ASSERT (sec->output_section != NULL);
4370 dynindx = elf_section_data (sec->output_section)->dynindx;
4371 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4372 outrel.r_addend = relocation;
4374 += (howto->partial_inplace
4375 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4377 outrel.r_addend -= sec->output_section->vma;
4381 /* h->dynindx may be -1 if this symbol was marked to
4384 || ((info->symbolic || h->dynindx == -1)
4387 relocate = howto->partial_inplace;
4388 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4392 BFD_ASSERT (h->dynindx != -1);
4393 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4395 outrel.r_addend = relocation;
4397 += (howto->partial_inplace
4398 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4402 loc = sreloc->contents;
4403 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4404 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4406 check_segment[0] = check_segment[1] = -1;
4408 /* If this reloc is against an external symbol, we do
4409 not want to fiddle with the addend. Otherwise, we
4410 need to include the symbol value so that it becomes
4411 an addend for the dynamic reloc. */
4415 else if (fdpic_p && !bfd_link_pic (info)
4416 && r_type == R_SH_DIR32
4417 && (input_section->flags & SEC_ALLOC) != 0)
4423 if (sh_elf_osec_readonly_p (output_bfd,
4424 input_section->output_section))
4426 (*_bfd_error_handler)
4427 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4430 (long) rel->r_offset,
4435 offset = _bfd_elf_section_offset (output_bfd, info,
4436 input_section, rel->r_offset);
4437 if (offset != (bfd_vma)-1)
4438 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4439 input_section->output_section->vma
4440 + input_section->output_offset
4443 check_segment[0] = check_segment[1] = -1;
4445 /* We don't want warnings for non-NULL tests on undefined weak
4447 else if (r_type == R_SH_REL32
4449 && h->root.type == bfd_link_hash_undefweak)
4450 check_segment[0] = check_segment[1] = -1;
4451 goto final_link_relocate;
4454 #ifdef INCLUDE_SHMEDIA
4455 case R_SH_GOTPLT_LOW16:
4456 case R_SH_GOTPLT_MEDLOW16:
4457 case R_SH_GOTPLT_MEDHI16:
4458 case R_SH_GOTPLT_HI16:
4459 case R_SH_GOTPLT10BY4:
4460 case R_SH_GOTPLT10BY8:
4462 /* Relocation is to the entry for this symbol in the
4463 procedure linkage table. */
4467 || ! bfd_link_pic (info)
4470 || h->plt.offset == (bfd_vma) -1
4471 || h->got.offset != (bfd_vma) -1)
4474 /* Relocation is to the entry for this symbol in the global
4475 offset table extension for the procedure linkage table. */
4478 BFD_ASSERT (sgotplt != NULL);
4479 relocation = (sgotplt->output_offset
4480 + (get_plt_index (htab->plt_info, h->plt.offset)
4484 relocation -= GOT_BIAS;
4487 goto final_link_relocate;
4492 #ifdef INCLUDE_SHMEDIA
4493 case R_SH_GOT_LOW16:
4494 case R_SH_GOT_MEDLOW16:
4495 case R_SH_GOT_MEDHI16:
4500 /* Relocation is to the entry for this symbol in the global
4504 BFD_ASSERT (sgot != NULL);
4505 check_segment[0] = check_segment[1] = -1;
4511 off = h->got.offset;
4512 #ifdef INCLUDE_SHMEDIA
4513 if (seen_stt_datalabel)
4515 struct elf_sh_link_hash_entry *hsh;
4517 hsh = (struct elf_sh_link_hash_entry *)h;
4518 off = hsh->datalabel_got.offset;
4521 BFD_ASSERT (off != (bfd_vma) -1);
4523 dyn = htab->root.dynamic_sections_created;
4524 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
4525 bfd_link_pic (info),
4527 || (bfd_link_pic (info)
4528 && SYMBOL_REFERENCES_LOCAL (info, h))
4529 || (ELF_ST_VISIBILITY (h->other)
4530 && h->root.type == bfd_link_hash_undefweak))
4532 /* This is actually a static link, or it is a
4533 -Bsymbolic link and the symbol is defined
4534 locally, or the symbol was forced to be local
4535 because of a version file. We must initialize
4536 this entry in the global offset table. Since the
4537 offset must always be a multiple of 4, we use the
4538 least significant bit to record whether we have
4539 initialized it already.
4541 When doing a dynamic link, we create a .rela.got
4542 relocation entry to initialize the value. This
4543 is done in the finish_dynamic_symbol routine. */
4548 bfd_put_32 (output_bfd, relocation,
4549 sgot->contents + off);
4550 #ifdef INCLUDE_SHMEDIA
4551 if (seen_stt_datalabel)
4553 struct elf_sh_link_hash_entry *hsh;
4555 hsh = (struct elf_sh_link_hash_entry *)h;
4556 hsh->datalabel_got.offset |= 1;
4562 /* If we initialize the GOT entry here with a valid
4563 symbol address, also add a fixup. */
4564 if (fdpic_p && !bfd_link_pic (info)
4565 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4566 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4567 || h->root.type != bfd_link_hash_undefweak))
4568 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4569 sgot->output_section->vma
4570 + sgot->output_offset
4575 relocation = sh_elf_got_offset (htab) + off;
4579 #ifdef INCLUDE_SHMEDIA
4582 BFD_ASSERT (local_got_offsets != NULL
4583 && (local_got_offsets[symtab_hdr->sh_info
4587 off = local_got_offsets[symtab_hdr->sh_info
4593 BFD_ASSERT (local_got_offsets != NULL
4594 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4596 off = local_got_offsets[r_symndx];
4597 #ifdef INCLUDE_SHMEDIA
4601 /* The offset must always be a multiple of 4. We use
4602 the least significant bit to record whether we have
4603 already generated the necessary reloc. */
4608 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4610 if (bfd_link_pic (info))
4612 Elf_Internal_Rela outrel;
4615 if (srelgot == NULL)
4617 srelgot = bfd_get_linker_section (dynobj,
4619 BFD_ASSERT (srelgot != NULL);
4622 outrel.r_offset = (sgot->output_section->vma
4623 + sgot->output_offset
4628 = elf_section_data (sec->output_section)->dynindx;
4629 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4630 outrel.r_addend = relocation;
4631 outrel.r_addend -= sec->output_section->vma;
4635 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4636 outrel.r_addend = relocation;
4638 loc = srelgot->contents;
4639 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4640 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4643 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4645 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4646 sgot->output_section->vma
4647 + sgot->output_offset
4650 #ifdef INCLUDE_SHMEDIA
4652 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
4655 local_got_offsets[r_symndx] |= 1;
4658 relocation = sh_elf_got_offset (htab) + off;
4662 relocation -= GOT_BIAS;
4665 if (r_type == R_SH_GOT20)
4667 r = install_movi20_field (output_bfd, relocation + addend,
4668 input_bfd, input_section, contents,
4673 goto final_link_relocate;
4677 #ifdef INCLUDE_SHMEDIA
4678 case R_SH_GOTOFF_LOW16:
4679 case R_SH_GOTOFF_MEDLOW16:
4680 case R_SH_GOTOFF_MEDHI16:
4681 case R_SH_GOTOFF_HI16:
4683 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4684 we place at the start of the .got.plt section. This is the same
4685 as the start of the output .got section, unless there are function
4686 descriptors in front of it. */
4688 BFD_ASSERT (sgotplt != NULL);
4689 check_segment[0] = got_segment;
4690 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4691 + htab->root.hgot->root.u.def.value;
4694 relocation -= GOT_BIAS;
4697 addend = rel->r_addend;
4699 if (r_type == R_SH_GOTOFF20)
4701 r = install_movi20_field (output_bfd, relocation + addend,
4702 input_bfd, input_section, contents,
4707 goto final_link_relocate;
4710 #ifdef INCLUDE_SHMEDIA
4711 case R_SH_GOTPC_LOW16:
4712 case R_SH_GOTPC_MEDLOW16:
4713 case R_SH_GOTPC_MEDHI16:
4714 case R_SH_GOTPC_HI16:
4716 /* Use global offset table as symbol value. */
4718 BFD_ASSERT (sgotplt != NULL);
4719 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
4722 relocation += GOT_BIAS;
4725 addend = rel->r_addend;
4727 goto final_link_relocate;
4730 #ifdef INCLUDE_SHMEDIA
4731 case R_SH_PLT_LOW16:
4732 case R_SH_PLT_MEDLOW16:
4733 case R_SH_PLT_MEDHI16:
4736 /* Relocation is to the entry for this symbol in the
4737 procedure linkage table. */
4739 /* Resolve a PLT reloc against a local symbol directly,
4740 without using the procedure linkage table. */
4742 goto final_link_relocate;
4744 /* We don't want to warn on calls to undefined weak symbols,
4745 as calls to them must be protected by non-NULL tests
4746 anyway, and unprotected calls would invoke undefined
4748 if (h->root.type == bfd_link_hash_undefweak)
4749 check_segment[0] = check_segment[1] = -1;
4751 if (h->forced_local)
4752 goto final_link_relocate;
4754 if (h->plt.offset == (bfd_vma) -1)
4756 /* We didn't make a PLT entry for this symbol. This
4757 happens when statically linking PIC code, or when
4758 using -Bsymbolic. */
4759 goto final_link_relocate;
4762 BFD_ASSERT (splt != NULL);
4763 check_segment[1] = plt_segment;
4764 relocation = (splt->output_section->vma
4765 + splt->output_offset
4768 #ifdef INCLUDE_SHMEDIA
4772 addend = rel->r_addend;
4774 goto final_link_relocate;
4776 /* Relocation is to the canonical function descriptor for this
4777 symbol, possibly via the GOT. Initialize the GOT
4778 entry and function descriptor if necessary. */
4779 case R_SH_GOTFUNCDESC:
4780 case R_SH_GOTFUNCDESC20:
4784 asection *reloc_section;
4785 bfd_vma reloc_offset;
4786 int reloc_type = R_SH_FUNCDESC;
4790 check_segment[0] = check_segment[1] = -1;
4792 /* FIXME: See what FRV does for global symbols in the
4793 executable, with --export-dynamic. Do they need ld.so
4794 to allocate official descriptors? See what this code
4800 if (r_type == R_SH_FUNCDESC)
4802 reloc_section = input_section;
4803 reloc_offset = rel->r_offset;
4807 reloc_section = sgot;
4810 reloc_offset = h->got.offset;
4813 BFD_ASSERT (local_got_offsets != NULL);
4814 reloc_offset = local_got_offsets[r_symndx];
4816 BFD_ASSERT (reloc_offset != MINUS_ONE);
4818 if (reloc_offset & 1)
4821 goto funcdesc_done_got;
4825 if (h && h->root.type == bfd_link_hash_undefweak
4826 && (SYMBOL_CALLS_LOCAL (info, h)
4827 || !htab->root.dynamic_sections_created))
4828 /* Undefined weak symbol which will not be dynamically
4829 resolved later; leave it at zero. */
4830 goto funcdesc_leave_zero;
4831 else if (SYMBOL_CALLS_LOCAL (info, h)
4832 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4834 /* If the symbol needs a non-local function descriptor
4835 but binds locally (i.e., its visibility is
4836 protected), emit a dynamic relocation decayed to
4837 section+offset. This is an optimization; the dynamic
4838 linker would resolve our function descriptor request
4839 to our copy of the function anyway. */
4840 dynindx = elf_section_data (h->root.u.def.section
4841 ->output_section)->dynindx;
4842 relocation += h->root.u.def.section->output_offset
4843 + h->root.u.def.value;
4845 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4847 /* If the symbol is dynamic and there will be dynamic
4848 symbol resolution because we are or are linked with a
4849 shared library, emit a FUNCDESC relocation such that
4850 the dynamic linker will allocate the function
4852 BFD_ASSERT (h->dynindx != -1);
4853 dynindx = h->dynindx;
4859 /* Otherwise, we know we have a private function
4860 descriptor, so reference it directly. */
4861 reloc_type = R_SH_DIR32;
4862 dynindx = elf_section_data (htab->sfuncdesc
4863 ->output_section)->dynindx;
4867 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4868 BFD_ASSERT (offset != MINUS_ONE);
4869 if ((offset & 1) == 0)
4871 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4874 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4879 union gotref *local_funcdesc;
4881 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4882 offset = local_funcdesc[r_symndx].offset;
4883 BFD_ASSERT (offset != MINUS_ONE);
4884 if ((offset & 1) == 0)
4886 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4890 local_funcdesc[r_symndx].offset |= 1;
4894 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4897 if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
4901 if (sh_elf_osec_readonly_p (output_bfd,
4902 reloc_section->output_section))
4904 (*_bfd_error_handler)
4905 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4908 (long) rel->r_offset,
4913 offset = _bfd_elf_section_offset (output_bfd, info,
4914 reloc_section, reloc_offset);
4916 if (offset != (bfd_vma)-1)
4917 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4919 + reloc_section->output_section->vma
4920 + reloc_section->output_offset);
4922 else if ((reloc_section->output_section->flags
4923 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
4927 if (sh_elf_osec_readonly_p (output_bfd,
4928 reloc_section->output_section))
4930 info->callbacks->warning
4932 _("cannot emit dynamic relocations in read-only section"),
4933 symname, input_bfd, reloc_section, reloc_offset);
4937 if (srelgot == NULL)
4939 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
4940 BFD_ASSERT (srelgot != NULL);
4943 offset = _bfd_elf_section_offset (output_bfd, info,
4944 reloc_section, reloc_offset);
4946 if (offset != (bfd_vma)-1)
4947 sh_elf_add_dyn_reloc (output_bfd, srelgot,
4949 + reloc_section->output_section->vma
4950 + reloc_section->output_offset,
4951 reloc_type, dynindx, relocation);
4953 if (r_type == R_SH_FUNCDESC)
4961 goto funcdesc_leave_zero;
4965 if (SYMBOL_FUNCDESC_LOCAL (info, h))
4966 relocation += htab->sfuncdesc->output_section->vma;
4967 funcdesc_leave_zero:
4968 if (r_type != R_SH_FUNCDESC)
4970 bfd_put_32 (output_bfd, relocation,
4971 reloc_section->contents + reloc_offset);
4975 local_got_offsets[r_symndx] |= 1;
4979 relocation = sh_elf_got_offset (htab) + reloc_offset;
4981 relocation -= GOT_BIAS;
4984 if (r_type == R_SH_GOTFUNCDESC20)
4986 r = install_movi20_field (output_bfd, relocation + addend,
4987 input_bfd, input_section, contents,
4992 goto final_link_relocate;
4996 case R_SH_GOTOFFFUNCDESC:
4997 case R_SH_GOTOFFFUNCDESC20:
4998 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
4999 executable and --export-dynamic. If such symbols get
5000 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
5004 check_segment[0] = check_segment[1] = -1;
5006 addend = rel->r_addend;
5008 if (h && (h->root.type == bfd_link_hash_undefweak
5009 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
5012 (_("%B(%A+0x%lx): %s relocation against external symbol \"%s\""),
5013 input_bfd, input_section, (long) rel->r_offset, howto->name,
5014 h->root.root.string);
5021 /* Otherwise, we know we have a private function
5022 descriptor, so reference it directly. */
5025 offset = sh_elf_hash_entry (h)->funcdesc.offset;
5026 BFD_ASSERT (offset != MINUS_ONE);
5027 if ((offset & 1) == 0)
5029 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
5032 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
5037 union gotref *local_funcdesc;
5039 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
5040 offset = local_funcdesc[r_symndx].offset;
5041 BFD_ASSERT (offset != MINUS_ONE);
5042 if ((offset & 1) == 0)
5044 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
5048 local_funcdesc[r_symndx].offset |= 1;
5052 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
5055 relocation -= (htab->root.hgot->root.u.def.value
5056 + sgotplt->output_offset);
5058 relocation -= GOT_BIAS;
5061 if (r_type == R_SH_GOTOFFFUNCDESC20)
5063 r = install_movi20_field (output_bfd, relocation + addend,
5064 input_bfd, input_section, contents,
5069 goto final_link_relocate;
5071 case R_SH_LOOP_START:
5073 static bfd_vma start, end;
5075 start = (relocation + rel->r_addend
5076 - (sec->output_section->vma + sec->output_offset));
5077 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5078 rel->r_offset, sec, start, end);
5082 end = (relocation + rel->r_addend
5083 - (sec->output_section->vma + sec->output_offset));
5084 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5085 rel->r_offset, sec, start, end);
5089 case R_SH_TLS_GD_32:
5090 case R_SH_TLS_IE_32:
5092 check_segment[0] = check_segment[1] = -1;
5093 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
5094 got_type = GOT_UNKNOWN;
5095 if (h == NULL && local_got_offsets)
5096 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
5099 got_type = sh_elf_hash_entry (h)->got_type;
5100 if (! bfd_link_pic (info)
5101 && (h->dynindx == -1
5103 r_type = R_SH_TLS_LE_32;
5106 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
5107 r_type = R_SH_TLS_IE_32;
5109 if (r_type == R_SH_TLS_LE_32)
5112 unsigned short insn;
5114 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5116 /* GD->LE transition:
5117 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5118 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5119 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5121 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5123 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5125 offset = rel->r_offset;
5126 BFD_ASSERT (offset >= 16);
5127 /* Size of GD instructions is 16 or 18. */
5129 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5130 if ((insn & 0xff00) == 0xc700)
5132 BFD_ASSERT (offset >= 2);
5134 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5137 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5138 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5139 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5140 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5141 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5142 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5143 BFD_ASSERT (insn == 0x310c);
5144 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5145 BFD_ASSERT (insn == 0x410b);
5146 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5147 BFD_ASSERT (insn == 0x34cc);
5149 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5150 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5151 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5152 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5153 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5159 /* IE->LE transition:
5160 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5161 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5163 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5166 offset = rel->r_offset;
5167 BFD_ASSERT (offset >= 16);
5168 /* Size of IE instructions is 10 or 12. */
5170 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5171 if ((insn & 0xf0ff) == 0x0012)
5173 BFD_ASSERT (offset >= 2);
5175 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5178 BFD_ASSERT ((insn & 0xff00) == 0xd000);
5179 target = insn & 0x00ff;
5180 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5181 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5182 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5183 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
5184 insn = 0xd000 | (insn & 0x0f00) | target;
5185 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5186 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5189 bfd_put_32 (output_bfd, tpoff (info, relocation),
5190 contents + rel->r_offset);
5194 if (sgot == NULL || sgotplt == NULL)
5198 off = h->got.offset;
5201 if (local_got_offsets == NULL)
5204 off = local_got_offsets[r_symndx];
5207 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5208 if (r_type == R_SH_TLS_IE_32
5209 && ! htab->root.dynamic_sections_created)
5212 bfd_put_32 (output_bfd, tpoff (info, relocation),
5213 sgot->contents + off);
5214 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
5215 contents + rel->r_offset);
5223 Elf_Internal_Rela outrel;
5227 if (srelgot == NULL)
5229 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
5230 BFD_ASSERT (srelgot != NULL);
5233 outrel.r_offset = (sgot->output_section->vma
5234 + sgot->output_offset + off);
5236 if (h == NULL || h->dynindx == -1)
5241 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5243 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5244 outrel.r_addend = relocation - dtpoff_base (info);
5246 outrel.r_addend = 0;
5247 outrel.r_info = ELF32_R_INFO (indx, dr_type);
5248 loc = srelgot->contents;
5249 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5250 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5252 if (r_type == R_SH_TLS_GD_32)
5256 bfd_put_32 (output_bfd,
5257 relocation - dtpoff_base (info),
5258 sgot->contents + off + 4);
5262 outrel.r_info = ELF32_R_INFO (indx,
5264 outrel.r_offset += 4;
5265 outrel.r_addend = 0;
5266 srelgot->reloc_count++;
5267 loc += sizeof (Elf32_External_Rela);
5268 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5275 local_got_offsets[r_symndx] |= 1;
5278 if (off >= (bfd_vma) -2)
5281 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
5282 relocation = sh_elf_got_offset (htab) + off;
5286 unsigned short insn;
5288 /* GD->IE transition:
5289 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5290 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5291 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5293 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5294 nop; nop; bra 3f; nop; .align 2;
5295 1: .long x@TPOFF; 2:...; 3:. */
5297 offset = rel->r_offset;
5298 BFD_ASSERT (offset >= 16);
5299 /* Size of GD instructions is 16 or 18. */
5301 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5302 if ((insn & 0xff00) == 0xc700)
5304 BFD_ASSERT (offset >= 2);
5306 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5309 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5311 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5312 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5314 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5315 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5316 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5317 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5318 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5319 BFD_ASSERT (insn == 0x310c);
5320 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5321 BFD_ASSERT (insn == 0x410b);
5322 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5323 BFD_ASSERT (insn == 0x34cc);
5325 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5326 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5327 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5328 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5329 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5331 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
5332 contents + rel->r_offset);
5337 addend = rel->r_addend;
5339 goto final_link_relocate;
5341 case R_SH_TLS_LD_32:
5343 check_segment[0] = check_segment[1] = -1;
5344 if (! bfd_link_pic (info))
5347 unsigned short insn;
5349 /* LD->LE transition:
5350 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5351 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5352 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5354 stc gbr,r0; nop; nop; nop;
5355 nop; nop; bra 3f; ...; 3:. */
5357 offset = rel->r_offset;
5358 BFD_ASSERT (offset >= 16);
5359 /* Size of LD instructions is 16 or 18. */
5361 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5362 if ((insn & 0xff00) == 0xc700)
5364 BFD_ASSERT (offset >= 2);
5366 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5369 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5370 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5371 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5372 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5373 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5374 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5375 BFD_ASSERT (insn == 0x310c);
5376 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5377 BFD_ASSERT (insn == 0x410b);
5378 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5379 BFD_ASSERT (insn == 0x34cc);
5381 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5382 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5383 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5384 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5385 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5386 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5391 if (sgot == NULL || sgotplt == NULL)
5394 off = htab->tls_ldm_got.offset;
5399 Elf_Internal_Rela outrel;
5402 srelgot = htab->srelgot;
5403 if (srelgot == NULL)
5406 outrel.r_offset = (sgot->output_section->vma
5407 + sgot->output_offset + off);
5408 outrel.r_addend = 0;
5409 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
5410 loc = srelgot->contents;
5411 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5412 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5413 htab->tls_ldm_got.offset |= 1;
5416 relocation = sh_elf_got_offset (htab) + off;
5417 addend = rel->r_addend;
5419 goto final_link_relocate;
5421 case R_SH_TLS_LDO_32:
5422 check_segment[0] = check_segment[1] = -1;
5423 if (! bfd_link_pic (info))
5424 relocation = tpoff (info, relocation);
5426 relocation -= dtpoff_base (info);
5428 addend = rel->r_addend;
5429 goto final_link_relocate;
5431 case R_SH_TLS_LE_32:
5434 Elf_Internal_Rela outrel;
5437 check_segment[0] = check_segment[1] = -1;
5439 if (!bfd_link_dll (info))
5441 relocation = tpoff (info, relocation);
5442 addend = rel->r_addend;
5443 goto final_link_relocate;
5448 sreloc = _bfd_elf_get_dynamic_reloc_section
5449 (input_bfd, input_section, /*rela?*/ TRUE);
5454 if (h == NULL || h->dynindx == -1)
5459 outrel.r_offset = (input_section->output_section->vma
5460 + input_section->output_offset
5462 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5464 outrel.r_addend = relocation - dtpoff_base (info);
5466 outrel.r_addend = 0;
5468 loc = sreloc->contents;
5469 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5470 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5476 if (fdpic_p && check_segment[0] != (unsigned) -1
5477 && check_segment[0] != check_segment[1])
5479 /* We don't want duplicate errors for undefined symbols. */
5480 if (!h || h->root.type != bfd_link_hash_undefined)
5482 if (bfd_link_pic (info))
5484 info->callbacks->einfo
5485 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5486 input_bfd, input_section, rel->r_offset, symname);
5490 info->callbacks->einfo
5491 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5492 input_bfd, input_section, rel->r_offset, symname);
5495 elf_elfheader (output_bfd)->e_flags |= EF_SH_PIC;
5498 if (r != bfd_reloc_ok)
5503 case bfd_reloc_outofrange:
5505 case bfd_reloc_overflow:
5513 name = (bfd_elf_string_from_elf_section
5514 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5518 name = bfd_section_name (input_bfd, sec);
5520 (*info->callbacks->reloc_overflow)
5521 (info, (h ? &h->root : NULL), name, howto->name,
5522 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
5532 /* This is a version of bfd_generic_get_relocated_section_contents
5533 which uses sh_elf_relocate_section. */
5536 sh_elf_get_relocated_section_contents (bfd *output_bfd,
5537 struct bfd_link_info *link_info,
5538 struct bfd_link_order *link_order,
5540 bfd_boolean relocatable,
5543 Elf_Internal_Shdr *symtab_hdr;
5544 asection *input_section = link_order->u.indirect.section;
5545 bfd *input_bfd = input_section->owner;
5546 asection **sections = NULL;
5547 Elf_Internal_Rela *internal_relocs = NULL;
5548 Elf_Internal_Sym *isymbuf = NULL;
5550 /* We only need to handle the case of relaxing, or of having a
5551 particular set of section contents, specially. */
5553 || elf_section_data (input_section)->this_hdr.contents == NULL)
5554 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5559 symtab_hdr = &elf_symtab_hdr (input_bfd);
5561 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5562 (size_t) input_section->size);
5564 if ((input_section->flags & SEC_RELOC) != 0
5565 && input_section->reloc_count > 0)
5568 Elf_Internal_Sym *isym, *isymend;
5571 internal_relocs = (_bfd_elf_link_read_relocs
5572 (input_bfd, input_section, NULL,
5573 (Elf_Internal_Rela *) NULL, FALSE));
5574 if (internal_relocs == NULL)
5577 if (symtab_hdr->sh_info != 0)
5579 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5580 if (isymbuf == NULL)
5581 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5582 symtab_hdr->sh_info, 0,
5584 if (isymbuf == NULL)
5588 amt = symtab_hdr->sh_info;
5589 amt *= sizeof (asection *);
5590 sections = (asection **) bfd_malloc (amt);
5591 if (sections == NULL && amt != 0)
5594 isymend = isymbuf + symtab_hdr->sh_info;
5595 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5599 if (isym->st_shndx == SHN_UNDEF)
5600 isec = bfd_und_section_ptr;
5601 else if (isym->st_shndx == SHN_ABS)
5602 isec = bfd_abs_section_ptr;
5603 else if (isym->st_shndx == SHN_COMMON)
5604 isec = bfd_com_section_ptr;
5606 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5611 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5612 input_section, data, internal_relocs,
5616 if (sections != NULL)
5619 && symtab_hdr->contents != (unsigned char *) isymbuf)
5621 if (elf_section_data (input_section)->relocs != internal_relocs)
5622 free (internal_relocs);
5628 if (sections != NULL)
5631 && symtab_hdr->contents != (unsigned char *) isymbuf)
5633 if (internal_relocs != NULL
5634 && elf_section_data (input_section)->relocs != internal_relocs)
5635 free (internal_relocs);
5639 /* Return the base VMA address which should be subtracted from real addresses
5640 when resolving @dtpoff relocation.
5641 This is PT_TLS segment p_vaddr. */
5644 dtpoff_base (struct bfd_link_info *info)
5646 /* If tls_sec is NULL, we should have signalled an error already. */
5647 if (elf_hash_table (info)->tls_sec == NULL)
5649 return elf_hash_table (info)->tls_sec->vma;
5652 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
5655 tpoff (struct bfd_link_info *info, bfd_vma address)
5657 /* If tls_sec is NULL, we should have signalled an error already. */
5658 if (elf_hash_table (info)->tls_sec == NULL)
5660 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5661 structure which has 2 pointer fields. */
5662 return (address - elf_hash_table (info)->tls_sec->vma
5663 + align_power ((bfd_vma) 8,
5664 elf_hash_table (info)->tls_sec->alignment_power));
5668 sh_elf_gc_mark_hook (asection *sec,
5669 struct bfd_link_info *info,
5670 Elf_Internal_Rela *rel,
5671 struct elf_link_hash_entry *h,
5672 Elf_Internal_Sym *sym)
5675 switch (ELF32_R_TYPE (rel->r_info))
5677 case R_SH_GNU_VTINHERIT:
5678 case R_SH_GNU_VTENTRY:
5682 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
5685 /* Update the got entry reference counts for the section being removed. */
5688 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5689 asection *sec, const Elf_Internal_Rela *relocs)
5691 Elf_Internal_Shdr *symtab_hdr;
5692 struct elf_link_hash_entry **sym_hashes;
5693 bfd_signed_vma *local_got_refcounts;
5694 union gotref *local_funcdesc;
5695 const Elf_Internal_Rela *rel, *relend;
5697 if (bfd_link_relocatable (info))
5700 elf_section_data (sec)->local_dynrel = NULL;
5702 symtab_hdr = &elf_symtab_hdr (abfd);
5703 sym_hashes = elf_sym_hashes (abfd);
5704 local_got_refcounts = elf_local_got_refcounts (abfd);
5705 local_funcdesc = sh_elf_local_funcdesc (abfd);
5707 relend = relocs + sec->reloc_count;
5708 for (rel = relocs; rel < relend; rel++)
5710 unsigned long r_symndx;
5711 unsigned int r_type;
5712 struct elf_link_hash_entry *h = NULL;
5713 #ifdef INCLUDE_SHMEDIA
5714 int seen_stt_datalabel = 0;
5717 r_symndx = ELF32_R_SYM (rel->r_info);
5718 if (r_symndx >= symtab_hdr->sh_info)
5720 struct elf_sh_link_hash_entry *eh;
5721 struct elf_sh_dyn_relocs **pp;
5722 struct elf_sh_dyn_relocs *p;
5724 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5725 while (h->root.type == bfd_link_hash_indirect
5726 || h->root.type == bfd_link_hash_warning)
5728 #ifdef INCLUDE_SHMEDIA
5729 seen_stt_datalabel |= h->type == STT_DATALABEL;
5731 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5733 eh = (struct elf_sh_link_hash_entry *) h;
5734 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5737 /* Everything must go for SEC. */
5743 r_type = ELF32_R_TYPE (rel->r_info);
5744 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
5746 case R_SH_TLS_LD_32:
5747 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5748 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5756 #ifdef INCLUDE_SHMEDIA
5757 case R_SH_GOT_LOW16:
5758 case R_SH_GOT_MEDLOW16:
5759 case R_SH_GOT_MEDHI16:
5763 case R_SH_GOTOFF_LOW16:
5764 case R_SH_GOTOFF_MEDLOW16:
5765 case R_SH_GOTOFF_MEDHI16:
5766 case R_SH_GOTOFF_HI16:
5767 case R_SH_GOTPC_LOW16:
5768 case R_SH_GOTPC_MEDLOW16:
5769 case R_SH_GOTPC_MEDHI16:
5770 case R_SH_GOTPC_HI16:
5772 case R_SH_TLS_GD_32:
5773 case R_SH_TLS_IE_32:
5774 case R_SH_GOTFUNCDESC:
5775 case R_SH_GOTFUNCDESC20:
5778 #ifdef INCLUDE_SHMEDIA
5779 if (seen_stt_datalabel)
5781 struct elf_sh_link_hash_entry *eh;
5782 eh = (struct elf_sh_link_hash_entry *) h;
5783 if (eh->datalabel_got.refcount > 0)
5784 eh->datalabel_got.refcount -= 1;
5788 if (h->got.refcount > 0)
5789 h->got.refcount -= 1;
5791 else if (local_got_refcounts != NULL)
5793 #ifdef INCLUDE_SHMEDIA
5794 if (rel->r_addend & 1)
5796 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5797 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5801 if (local_got_refcounts[r_symndx] > 0)
5802 local_got_refcounts[r_symndx] -= 1;
5808 sh_elf_hash_entry (h)->abs_funcdesc_refcount -= 1;
5809 else if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_pic (info))
5810 sh_elf_hash_table (info)->srofixup->size -= 4;
5814 case R_SH_GOTOFFFUNCDESC:
5815 case R_SH_GOTOFFFUNCDESC20:
5817 sh_elf_hash_entry (h)->funcdesc.refcount -= 1;
5819 local_funcdesc[r_symndx].refcount -= 1;
5823 if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_pic (info)
5824 && (sec->flags & SEC_ALLOC) != 0)
5825 sh_elf_hash_table (info)->srofixup->size -= 4;
5829 if (bfd_link_pic (info))
5834 #ifdef INCLUDE_SHMEDIA
5835 case R_SH_PLT_LOW16:
5836 case R_SH_PLT_MEDLOW16:
5837 case R_SH_PLT_MEDHI16:
5842 if (h->plt.refcount > 0)
5843 h->plt.refcount -= 1;
5848 #ifdef INCLUDE_SHMEDIA
5849 case R_SH_GOTPLT_LOW16:
5850 case R_SH_GOTPLT_MEDLOW16:
5851 case R_SH_GOTPLT_MEDHI16:
5852 case R_SH_GOTPLT_HI16:
5853 case R_SH_GOTPLT10BY4:
5854 case R_SH_GOTPLT10BY8:
5858 struct elf_sh_link_hash_entry *eh;
5859 eh = (struct elf_sh_link_hash_entry *) h;
5860 if (eh->gotplt_refcount > 0)
5862 eh->gotplt_refcount -= 1;
5863 if (h->plt.refcount > 0)
5864 h->plt.refcount -= 1;
5866 #ifdef INCLUDE_SHMEDIA
5867 else if (seen_stt_datalabel)
5869 if (eh->datalabel_got.refcount > 0)
5870 eh->datalabel_got.refcount -= 1;
5873 else if (h->got.refcount > 0)
5874 h->got.refcount -= 1;
5876 else if (local_got_refcounts != NULL)
5878 #ifdef INCLUDE_SHMEDIA
5879 if (rel->r_addend & 1)
5881 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5882 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5886 if (local_got_refcounts[r_symndx] > 0)
5887 local_got_refcounts[r_symndx] -= 1;
5899 /* Copy the extra info we tack onto an elf_link_hash_entry. */
5902 sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
5903 struct elf_link_hash_entry *dir,
5904 struct elf_link_hash_entry *ind)
5906 struct elf_sh_link_hash_entry *edir, *eind;
5908 edir = (struct elf_sh_link_hash_entry *) dir;
5909 eind = (struct elf_sh_link_hash_entry *) ind;
5911 if (eind->dyn_relocs != NULL)
5913 if (edir->dyn_relocs != NULL)
5915 struct elf_sh_dyn_relocs **pp;
5916 struct elf_sh_dyn_relocs *p;
5918 /* Add reloc counts against the indirect sym to the direct sym
5919 list. Merge any entries against the same section. */
5920 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
5922 struct elf_sh_dyn_relocs *q;
5924 for (q = edir->dyn_relocs; q != NULL; q = q->next)
5925 if (q->sec == p->sec)
5927 q->pc_count += p->pc_count;
5928 q->count += p->count;
5935 *pp = edir->dyn_relocs;
5938 edir->dyn_relocs = eind->dyn_relocs;
5939 eind->dyn_relocs = NULL;
5941 edir->gotplt_refcount = eind->gotplt_refcount;
5942 eind->gotplt_refcount = 0;
5943 #ifdef INCLUDE_SHMEDIA
5944 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
5945 eind->datalabel_got.refcount = 0;
5947 edir->funcdesc.refcount += eind->funcdesc.refcount;
5948 eind->funcdesc.refcount = 0;
5949 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
5950 eind->abs_funcdesc_refcount = 0;
5952 if (ind->root.type == bfd_link_hash_indirect
5953 && dir->got.refcount <= 0)
5955 edir->got_type = eind->got_type;
5956 eind->got_type = GOT_UNKNOWN;
5959 if (ind->root.type != bfd_link_hash_indirect
5960 && dir->dynamic_adjusted)
5962 /* If called to transfer flags for a weakdef during processing
5963 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
5964 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
5965 dir->ref_dynamic |= ind->ref_dynamic;
5966 dir->ref_regular |= ind->ref_regular;
5967 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
5968 dir->needs_plt |= ind->needs_plt;
5971 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
5975 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
5978 if (bfd_link_pic (info))
5983 case R_SH_TLS_GD_32:
5984 case R_SH_TLS_IE_32:
5986 return R_SH_TLS_LE_32;
5987 return R_SH_TLS_IE_32;
5988 case R_SH_TLS_LD_32:
5989 return R_SH_TLS_LE_32;
5995 /* Look through the relocs for a section during the first phase.
5996 Since we don't do .gots or .plts, we just need to consider the
5997 virtual table relocs for gc. */
6000 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6001 const Elf_Internal_Rela *relocs)
6003 Elf_Internal_Shdr *symtab_hdr;
6004 struct elf_link_hash_entry **sym_hashes;
6005 struct elf_sh_link_hash_table *htab;
6006 const Elf_Internal_Rela *rel;
6007 const Elf_Internal_Rela *rel_end;
6009 unsigned int r_type;
6010 enum got_type got_type, old_got_type;
6014 if (bfd_link_relocatable (info))
6017 BFD_ASSERT (is_sh_elf (abfd));
6019 symtab_hdr = &elf_symtab_hdr (abfd);
6020 sym_hashes = elf_sym_hashes (abfd);
6022 htab = sh_elf_hash_table (info);
6026 rel_end = relocs + sec->reloc_count;
6027 for (rel = relocs; rel < rel_end; rel++)
6029 struct elf_link_hash_entry *h;
6030 unsigned long r_symndx;
6031 #ifdef INCLUDE_SHMEDIA
6032 int seen_stt_datalabel = 0;
6035 r_symndx = ELF32_R_SYM (rel->r_info);
6036 r_type = ELF32_R_TYPE (rel->r_info);
6038 if (r_symndx < symtab_hdr->sh_info)
6042 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
6043 while (h->root.type == bfd_link_hash_indirect
6044 || h->root.type == bfd_link_hash_warning)
6046 #ifdef INCLUDE_SHMEDIA
6047 seen_stt_datalabel |= h->type == STT_DATALABEL;
6049 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6052 /* PR15323, ref flags aren't set for references in the same
6054 h->root.non_ir_ref = 1;
6057 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6058 if (! bfd_link_pic (info)
6059 && r_type == R_SH_TLS_IE_32
6061 && h->root.type != bfd_link_hash_undefined
6062 && h->root.type != bfd_link_hash_undefweak
6063 && (h->dynindx == -1
6065 r_type = R_SH_TLS_LE_32;
6070 case R_SH_GOTOFFFUNCDESC:
6071 case R_SH_GOTOFFFUNCDESC20:
6073 case R_SH_GOTFUNCDESC:
6074 case R_SH_GOTFUNCDESC20:
6077 if (h->dynindx == -1)
6078 switch (ELF_ST_VISIBILITY (h->other))
6084 bfd_elf_link_record_dynamic_symbol (info, h);
6091 /* Some relocs require a global offset table. */
6092 if (htab->sgot == NULL)
6097 /* This may require an rofixup. */
6106 case R_SH_GOTFUNCDESC:
6107 case R_SH_GOTFUNCDESC20:
6108 case R_SH_GOTOFFFUNCDESC:
6109 case R_SH_GOTOFFFUNCDESC20:
6111 #ifdef INCLUDE_SHMEDIA
6112 case R_SH_GOTPLT_LOW16:
6113 case R_SH_GOTPLT_MEDLOW16:
6114 case R_SH_GOTPLT_MEDHI16:
6115 case R_SH_GOTPLT_HI16:
6116 case R_SH_GOTPLT10BY4:
6117 case R_SH_GOTPLT10BY8:
6118 case R_SH_GOT_LOW16:
6119 case R_SH_GOT_MEDLOW16:
6120 case R_SH_GOT_MEDHI16:
6124 case R_SH_GOTOFF_LOW16:
6125 case R_SH_GOTOFF_MEDLOW16:
6126 case R_SH_GOTOFF_MEDHI16:
6127 case R_SH_GOTOFF_HI16:
6128 case R_SH_GOTPC_LOW16:
6129 case R_SH_GOTPC_MEDLOW16:
6130 case R_SH_GOTPC_MEDHI16:
6131 case R_SH_GOTPC_HI16:
6133 case R_SH_TLS_GD_32:
6134 case R_SH_TLS_LD_32:
6135 case R_SH_TLS_IE_32:
6136 if (htab->root.dynobj == NULL)
6137 htab->root.dynobj = abfd;
6138 if (!create_got_section (htab->root.dynobj, info))
6149 /* This relocation describes the C++ object vtable hierarchy.
6150 Reconstruct it for later use during GC. */
6151 case R_SH_GNU_VTINHERIT:
6152 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
6156 /* This relocation describes which C++ vtable entries are actually
6157 used. Record for later use during GC. */
6158 case R_SH_GNU_VTENTRY:
6159 BFD_ASSERT (h != NULL);
6161 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
6165 case R_SH_TLS_IE_32:
6166 if (bfd_link_pic (info))
6167 info->flags |= DF_STATIC_TLS;
6171 case R_SH_TLS_GD_32:
6174 #ifdef INCLUDE_SHMEDIA
6175 case R_SH_GOT_LOW16:
6176 case R_SH_GOT_MEDLOW16:
6177 case R_SH_GOT_MEDHI16:
6182 case R_SH_GOTFUNCDESC:
6183 case R_SH_GOTFUNCDESC20:
6187 got_type = GOT_NORMAL;
6189 case R_SH_TLS_GD_32:
6190 got_type = GOT_TLS_GD;
6192 case R_SH_TLS_IE_32:
6193 got_type = GOT_TLS_IE;
6195 case R_SH_GOTFUNCDESC:
6196 case R_SH_GOTFUNCDESC20:
6197 got_type = GOT_FUNCDESC;
6203 #ifdef INCLUDE_SHMEDIA
6204 if (seen_stt_datalabel)
6206 struct elf_sh_link_hash_entry *eh
6207 = (struct elf_sh_link_hash_entry *) h;
6209 eh->datalabel_got.refcount += 1;
6213 h->got.refcount += 1;
6214 old_got_type = sh_elf_hash_entry (h)->got_type;
6218 bfd_signed_vma *local_got_refcounts;
6220 /* This is a global offset table entry for a local
6222 local_got_refcounts = elf_local_got_refcounts (abfd);
6223 if (local_got_refcounts == NULL)
6227 size = symtab_hdr->sh_info;
6228 size *= sizeof (bfd_signed_vma);
6229 #ifdef INCLUDE_SHMEDIA
6230 /* Reserve space for both the datalabel and
6231 codelabel local GOT offsets. */
6234 size += symtab_hdr->sh_info;
6235 local_got_refcounts = ((bfd_signed_vma *)
6236 bfd_zalloc (abfd, size));
6237 if (local_got_refcounts == NULL)
6239 elf_local_got_refcounts (abfd) = local_got_refcounts;
6240 #ifdef INCLUDE_SHMEDIA
6241 /* Take care of both the datalabel and codelabel local
6243 sh_elf_local_got_type (abfd)
6244 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6246 sh_elf_local_got_type (abfd)
6247 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6250 #ifdef INCLUDE_SHMEDIA
6251 if (rel->r_addend & 1)
6252 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6255 local_got_refcounts[r_symndx] += 1;
6256 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
6259 /* If a TLS symbol is accessed using IE at least once,
6260 there is no point to use dynamic model for it. */
6261 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
6262 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
6264 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
6265 got_type = GOT_TLS_IE;
6268 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
6269 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
6270 (*_bfd_error_handler)
6271 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6272 abfd, h->root.root.string);
6273 else if (old_got_type == GOT_FUNCDESC
6274 || got_type == GOT_FUNCDESC)
6275 (*_bfd_error_handler)
6276 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6277 abfd, h->root.root.string);
6279 (*_bfd_error_handler)
6280 (_("%B: `%s' accessed both as normal and thread local symbol"),
6281 abfd, h->root.root.string);
6286 if (old_got_type != got_type)
6289 sh_elf_hash_entry (h)->got_type = got_type;
6291 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
6296 case R_SH_TLS_LD_32:
6297 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
6301 case R_SH_GOTOFFFUNCDESC:
6302 case R_SH_GOTOFFFUNCDESC20:
6305 (*_bfd_error_handler)
6306 (_("%B: Function descriptor relocation with non-zero addend"),
6313 union gotref *local_funcdesc;
6315 /* We need a function descriptor for a local symbol. */
6316 local_funcdesc = sh_elf_local_funcdesc (abfd);
6317 if (local_funcdesc == NULL)
6321 size = symtab_hdr->sh_info * sizeof (union gotref);
6322 #ifdef INCLUDE_SHMEDIA
6323 /* Count datalabel local GOT. */
6326 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
6327 if (local_funcdesc == NULL)
6329 sh_elf_local_funcdesc (abfd) = local_funcdesc;
6331 local_funcdesc[r_symndx].refcount += 1;
6333 if (r_type == R_SH_FUNCDESC)
6335 if (!bfd_link_pic (info))
6336 htab->srofixup->size += 4;
6338 htab->srelgot->size += sizeof (Elf32_External_Rela);
6343 sh_elf_hash_entry (h)->funcdesc.refcount++;
6344 if (r_type == R_SH_FUNCDESC)
6345 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
6347 /* If there is a function descriptor reference, then
6348 there should not be any non-FDPIC references. */
6349 old_got_type = sh_elf_hash_entry (h)->got_type;
6350 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
6352 if (old_got_type == GOT_NORMAL)
6353 (*_bfd_error_handler)
6354 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6355 abfd, h->root.root.string);
6357 (*_bfd_error_handler)
6358 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6359 abfd, h->root.root.string);
6365 #ifdef INCLUDE_SHMEDIA
6366 case R_SH_GOTPLT_LOW16:
6367 case R_SH_GOTPLT_MEDLOW16:
6368 case R_SH_GOTPLT_MEDHI16:
6369 case R_SH_GOTPLT_HI16:
6370 case R_SH_GOTPLT10BY4:
6371 case R_SH_GOTPLT10BY8:
6373 /* If this is a local symbol, we resolve it directly without
6374 creating a procedure linkage table entry. */
6378 || ! bfd_link_pic (info)
6380 || h->dynindx == -1)
6384 h->plt.refcount += 1;
6385 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
6390 #ifdef INCLUDE_SHMEDIA
6391 case R_SH_PLT_LOW16:
6392 case R_SH_PLT_MEDLOW16:
6393 case R_SH_PLT_MEDHI16:
6396 /* This symbol requires a procedure linkage table entry. We
6397 actually build the entry in adjust_dynamic_symbol,
6398 because this might be a case of linking PIC code which is
6399 never referenced by a dynamic object, in which case we
6400 don't need to generate a procedure linkage table entry
6403 /* If this is a local symbol, we resolve it directly without
6404 creating a procedure linkage table entry. */
6408 if (h->forced_local)
6412 h->plt.refcount += 1;
6417 #ifdef INCLUDE_SHMEDIA
6418 case R_SH_IMM_LOW16_PCREL:
6419 case R_SH_IMM_MEDLOW16_PCREL:
6420 case R_SH_IMM_MEDHI16_PCREL:
6421 case R_SH_IMM_HI16_PCREL:
6423 if (h != NULL && ! bfd_link_pic (info))
6426 h->plt.refcount += 1;
6429 /* If we are creating a shared library, and this is a reloc
6430 against a global symbol, or a non PC relative reloc
6431 against a local symbol, then we need to copy the reloc
6432 into the shared library. However, if we are linking with
6433 -Bsymbolic, we do not need to copy a reloc against a
6434 global symbol which is defined in an object we are
6435 including in the link (i.e., DEF_REGULAR is set). At
6436 this point we have not seen all the input files, so it is
6437 possible that DEF_REGULAR is not set now but will be set
6438 later (it is never cleared). We account for that
6439 possibility below by storing information in the
6440 dyn_relocs field of the hash table entry. A similar
6441 situation occurs when creating shared libraries and symbol
6442 visibility changes render the symbol local.
6444 If on the other hand, we are creating an executable, we
6445 may need to keep relocations for symbols satisfied by a
6446 dynamic library if we manage to avoid copy relocs for the
6448 if ((bfd_link_pic (info)
6449 && (sec->flags & SEC_ALLOC) != 0
6450 && (r_type != R_SH_REL32
6452 && (! info->symbolic
6453 || h->root.type == bfd_link_hash_defweak
6454 || !h->def_regular))))
6455 || (! bfd_link_pic (info)
6456 && (sec->flags & SEC_ALLOC) != 0
6458 && (h->root.type == bfd_link_hash_defweak
6459 || !h->def_regular)))
6461 struct elf_sh_dyn_relocs *p;
6462 struct elf_sh_dyn_relocs **head;
6464 if (htab->root.dynobj == NULL)
6465 htab->root.dynobj = abfd;
6467 /* When creating a shared object, we must copy these
6468 reloc types into the output file. We create a reloc
6469 section in dynobj and make room for this reloc. */
6472 sreloc = _bfd_elf_make_dynamic_reloc_section
6473 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
6479 /* If this is a global symbol, we count the number of
6480 relocations we need for this symbol. */
6482 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6485 /* Track dynamic relocs needed for local syms too. */
6488 Elf_Internal_Sym *isym;
6490 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
6495 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
6499 vpp = &elf_section_data (s)->local_dynrel;
6500 head = (struct elf_sh_dyn_relocs **) vpp;
6504 if (p == NULL || p->sec != sec)
6506 bfd_size_type amt = sizeof (*p);
6507 p = bfd_alloc (htab->root.dynobj, amt);
6518 if (r_type == R_SH_REL32
6519 #ifdef INCLUDE_SHMEDIA
6520 || r_type == R_SH_IMM_LOW16_PCREL
6521 || r_type == R_SH_IMM_MEDLOW16_PCREL
6522 || r_type == R_SH_IMM_MEDHI16_PCREL
6523 || r_type == R_SH_IMM_HI16_PCREL
6529 /* Allocate the fixup regardless of whether we need a relocation.
6530 If we end up generating the relocation, we'll unallocate the
6532 if (htab->fdpic_p && !bfd_link_pic (info)
6533 && r_type == R_SH_DIR32
6534 && (sec->flags & SEC_ALLOC) != 0)
6535 htab->srofixup->size += 4;
6538 case R_SH_TLS_LE_32:
6539 if (bfd_link_dll (info))
6541 (*_bfd_error_handler)
6542 (_("%B: TLS local exec code cannot be linked into shared objects"),
6549 case R_SH_TLS_LDO_32:
6550 /* Nothing to do. */
6561 #ifndef sh_elf_set_mach_from_flags
6562 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6565 sh_elf_set_mach_from_flags (bfd *abfd)
6567 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6569 if (flags >= sizeof(sh_ef_bfd_table))
6572 if (sh_ef_bfd_table[flags] == 0)
6575 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
6581 /* Reverse table lookup for sh_ef_bfd_table[].
6582 Given a bfd MACH value from archures.c
6583 return the equivalent ELF flags from the table.
6584 Return -1 if no match is found. */
6587 sh_elf_get_flags_from_mach (unsigned long mach)
6589 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
6592 if (sh_ef_bfd_table[i] == mach)
6595 /* shouldn't get here */
6600 #endif /* not sh_elf_set_mach_from_flags */
6602 #ifndef sh_elf_copy_private_data
6603 /* Copy backend specific data from one object module to another */
6606 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
6608 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6611 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
6614 return sh_elf_set_mach_from_flags (obfd);
6616 #endif /* not sh_elf_copy_private_data */
6618 #ifndef sh_elf_merge_private_data
6620 /* This function returns the ELF architecture number that
6621 corresponds to the given arch_sh* flags. */
6624 sh_find_elf_flags (unsigned int arch_set)
6626 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
6627 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
6629 return sh_elf_get_flags_from_mach (bfd_mach);
6632 /* This routine initialises the elf flags when required and
6633 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
6636 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6638 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6640 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6643 if (! elf_flags_init (obfd))
6645 /* This happens when ld starts out with a 'blank' output file. */
6646 elf_flags_init (obfd) = TRUE;
6647 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
6648 sh_elf_set_mach_from_flags (obfd);
6649 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
6650 elf_elfheader (obfd)->e_flags &= ~EF_SH_PIC;
6653 if (! sh_merge_bfd_arch (ibfd, obfd))
6655 _bfd_error_handler ("%B: uses instructions which are incompatible "
6656 "with instructions used in previous modules",
6658 bfd_set_error (bfd_error_bad_value);
6662 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
6663 elf_elfheader (obfd)->e_flags |=
6664 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
6666 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
6668 _bfd_error_handler ("%B: attempt to mix FDPIC and non-FDPIC objects",
6670 bfd_set_error (bfd_error_bad_value);
6676 #endif /* not sh_elf_merge_private_data */
6678 /* Override the generic function because we need to store sh_elf_obj_tdata
6679 as the specific tdata. We set also the machine architecture from flags
6683 sh_elf_object_p (bfd *abfd)
6685 if (! sh_elf_set_mach_from_flags (abfd))
6688 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
6689 == fdpic_object_p (abfd));
6692 /* Finish up dynamic symbol handling. We set the contents of various
6693 dynamic sections here. */
6696 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6697 struct elf_link_hash_entry *h,
6698 Elf_Internal_Sym *sym)
6700 struct elf_sh_link_hash_table *htab;
6702 htab = sh_elf_hash_table (info);
6706 if (h->plt.offset != (bfd_vma) -1)
6714 Elf_Internal_Rela rel;
6716 const struct elf_sh_plt_info *plt_info;
6718 /* This symbol has an entry in the procedure linkage table. Set
6721 BFD_ASSERT (h->dynindx != -1);
6724 sgotplt = htab->sgotplt;
6725 srelplt = htab->srelplt;
6726 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
6728 /* Get the index in the procedure linkage table which
6729 corresponds to this symbol. This is the index of this symbol
6730 in all the symbols for which we are making plt entries. The
6731 first entry in the procedure linkage table is reserved. */
6732 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
6734 plt_info = htab->plt_info;
6735 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6736 plt_info = plt_info->short_plt;
6738 /* Get the offset into the .got table of the entry that
6739 corresponds to this function. */
6741 /* The offset must be relative to the GOT symbol, twelve bytes
6742 before the end of .got.plt. Each descriptor is eight
6744 got_offset = plt_index * 8 + 12 - sgotplt->size;
6746 /* Each .got entry is 4 bytes. The first three are
6748 got_offset = (plt_index + 3) * 4;
6751 if (bfd_link_pic (info))
6752 got_offset -= GOT_BIAS;
6755 /* Fill in the entry in the procedure linkage table. */
6756 memcpy (splt->contents + h->plt.offset,
6757 plt_info->symbol_entry,
6758 plt_info->symbol_entry_size);
6760 if (bfd_link_pic (info) || htab->fdpic_p)
6762 if (plt_info->symbol_fields.got20)
6764 bfd_reloc_status_type r;
6765 r = install_movi20_field (output_bfd, got_offset,
6766 splt->owner, splt, splt->contents,
6768 + plt_info->symbol_fields.got_entry);
6769 BFD_ASSERT (r == bfd_reloc_ok);
6772 install_plt_field (output_bfd, FALSE, got_offset,
6775 + plt_info->symbol_fields.got_entry));
6779 BFD_ASSERT (!plt_info->symbol_fields.got20);
6781 install_plt_field (output_bfd, FALSE,
6782 (sgotplt->output_section->vma
6783 + sgotplt->output_offset
6787 + plt_info->symbol_fields.got_entry));
6788 if (htab->vxworks_p)
6790 unsigned int reachable_plts, plts_per_4k;
6793 /* Divide the PLT into groups. The first group contains
6794 REACHABLE_PLTS entries and the other groups contain
6795 PLTS_PER_4K entries. Entries in the first group can
6796 branch directly to .plt; those in later groups branch
6797 to the last element of the previous group. */
6798 /* ??? It would be better to create multiple copies of
6799 the common resolver stub. */
6800 reachable_plts = ((4096
6801 - plt_info->plt0_entry_size
6802 - (plt_info->symbol_fields.plt + 4))
6803 / plt_info->symbol_entry_size) + 1;
6804 plts_per_4k = (4096 / plt_info->symbol_entry_size);
6805 if (plt_index < reachable_plts)
6806 distance = -(h->plt.offset
6807 + plt_info->symbol_fields.plt);
6809 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
6810 * plt_info->symbol_entry_size);
6812 /* Install the 'bra' with this offset. */
6813 bfd_put_16 (output_bfd,
6814 0xa000 | (0x0fff & ((distance - 4) / 2)),
6817 + plt_info->symbol_fields.plt));
6820 install_plt_field (output_bfd, TRUE,
6821 splt->output_section->vma + splt->output_offset,
6824 + plt_info->symbol_fields.plt));
6827 /* Make got_offset relative to the start of .got.plt. */
6829 if (bfd_link_pic (info))
6830 got_offset += GOT_BIAS;
6833 got_offset = plt_index * 8;
6835 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6836 install_plt_field (output_bfd, FALSE,
6837 plt_index * sizeof (Elf32_External_Rela),
6840 + plt_info->symbol_fields.reloc_offset));
6842 /* Fill in the entry in the global offset table. */
6843 bfd_put_32 (output_bfd,
6844 (splt->output_section->vma
6845 + splt->output_offset
6847 + plt_info->symbol_resolve_offset),
6848 sgotplt->contents + got_offset);
6850 bfd_put_32 (output_bfd,
6851 sh_elf_osec_to_segment (output_bfd,
6852 htab->splt->output_section),
6853 sgotplt->contents + got_offset + 4);
6855 /* Fill in the entry in the .rela.plt section. */
6856 rel.r_offset = (sgotplt->output_section->vma
6857 + sgotplt->output_offset
6860 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6862 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
6865 rel.r_addend = GOT_BIAS;
6867 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
6868 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6870 if (htab->vxworks_p && !bfd_link_pic (info))
6872 /* Create the .rela.plt.unloaded relocations for this PLT entry.
6873 Begin by pointing LOC to the first such relocation. */
6874 loc = (htab->srelplt2->contents
6875 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
6877 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
6878 for the PLT entry's pointer to the .got.plt entry. */
6879 rel.r_offset = (htab->splt->output_section->vma
6880 + htab->splt->output_offset
6882 + plt_info->symbol_fields.got_entry);
6883 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6884 rel.r_addend = got_offset;
6885 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6886 loc += sizeof (Elf32_External_Rela);
6888 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
6889 the .got.plt entry, which initially points to .plt. */
6890 rel.r_offset = (sgotplt->output_section->vma
6891 + sgotplt->output_offset
6893 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
6895 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6898 if (!h->def_regular)
6900 /* Mark the symbol as undefined, rather than as defined in
6901 the .plt section. Leave the value alone. */
6902 sym->st_shndx = SHN_UNDEF;
6906 if (h->got.offset != (bfd_vma) -1
6907 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
6908 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
6909 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
6913 Elf_Internal_Rela rel;
6916 /* This symbol has an entry in the global offset table. Set it
6920 srelgot = htab->srelgot;
6921 BFD_ASSERT (sgot != NULL && srelgot != NULL);
6923 rel.r_offset = (sgot->output_section->vma
6924 + sgot->output_offset
6925 + (h->got.offset &~ (bfd_vma) 1));
6927 /* If this is a static link, or it is a -Bsymbolic link and the
6928 symbol is defined locally or was forced to be local because
6929 of a version file, we just want to emit a RELATIVE reloc.
6930 The entry in the global offset table will already have been
6931 initialized in the relocate_section function. */
6932 if (bfd_link_pic (info)
6933 && SYMBOL_REFERENCES_LOCAL (info, h))
6937 asection *sec = h->root.u.def.section;
6939 = elf_section_data (sec->output_section)->dynindx;
6941 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6942 rel.r_addend = (h->root.u.def.value
6943 + h->root.u.def.section->output_offset);
6947 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6948 rel.r_addend = (h->root.u.def.value
6949 + h->root.u.def.section->output_section->vma
6950 + h->root.u.def.section->output_offset);
6955 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6956 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6960 loc = srelgot->contents;
6961 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
6962 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6965 #ifdef INCLUDE_SHMEDIA
6967 struct elf_sh_link_hash_entry *eh;
6969 eh = (struct elf_sh_link_hash_entry *) h;
6970 if (eh->datalabel_got.offset != (bfd_vma) -1)
6974 Elf_Internal_Rela rel;
6977 /* This symbol has a datalabel entry in the global offset table.
6981 srelgot = htab->srelgot;
6982 BFD_ASSERT (sgot != NULL && srelgot != NULL);
6984 rel.r_offset = (sgot->output_section->vma
6985 + sgot->output_offset
6986 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6988 /* If this is a static link, or it is a -Bsymbolic link and the
6989 symbol is defined locally or was forced to be local because
6990 of a version file, we just want to emit a RELATIVE reloc.
6991 The entry in the global offset table will already have been
6992 initialized in the relocate_section function. */
6993 if (bfd_link_pic (info)
6994 && SYMBOL_REFERENCES_LOCAL (info, h))
6998 asection *sec = h->root.u.def.section;
7000 = elf_section_data (sec->output_section)->dynindx;
7002 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
7003 rel.r_addend = (h->root.u.def.value
7004 + h->root.u.def.section->output_offset);
7008 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
7009 rel.r_addend = (h->root.u.def.value
7010 + h->root.u.def.section->output_section->vma
7011 + h->root.u.def.section->output_offset);
7016 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7017 + eh->datalabel_got.offset);
7018 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7022 loc = srelgot->contents;
7023 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
7024 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7032 Elf_Internal_Rela rel;
7035 /* This symbol needs a copy reloc. Set it up. */
7037 BFD_ASSERT (h->dynindx != -1
7038 && (h->root.type == bfd_link_hash_defined
7039 || h->root.type == bfd_link_hash_defweak));
7041 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
7042 BFD_ASSERT (s != NULL);
7044 rel.r_offset = (h->root.u.def.value
7045 + h->root.u.def.section->output_section->vma
7046 + h->root.u.def.section->output_offset);
7047 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7049 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7050 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7053 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
7054 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
7056 if (h == htab->root.hdynamic
7057 || (!htab->vxworks_p && h == htab->root.hgot))
7058 sym->st_shndx = SHN_ABS;
7063 /* Finish up the dynamic sections. */
7066 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
7068 struct elf_sh_link_hash_table *htab;
7072 htab = sh_elf_hash_table (info);
7076 sgotplt = htab->sgotplt;
7077 sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
7079 if (htab->root.dynamic_sections_created)
7082 Elf32_External_Dyn *dyncon, *dynconend;
7084 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
7086 dyncon = (Elf32_External_Dyn *) sdyn->contents;
7087 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
7088 for (; dyncon < dynconend; dyncon++)
7090 Elf_Internal_Dyn dyn;
7092 #ifdef INCLUDE_SHMEDIA
7096 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
7102 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
7103 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7106 #ifdef INCLUDE_SHMEDIA
7108 name = info->init_function;
7112 name = info->fini_function;
7114 if (dyn.d_un.d_val != 0)
7116 struct elf_link_hash_entry *h;
7118 h = elf_link_hash_lookup (&htab->root, name,
7119 FALSE, FALSE, TRUE);
7120 if (h != NULL && (h->other & STO_SH5_ISA32))
7122 dyn.d_un.d_val |= 1;
7123 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7130 BFD_ASSERT (htab->root.hgot != NULL);
7131 s = htab->root.hgot->root.u.def.section;
7132 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
7133 + s->output_section->vma + s->output_offset;
7134 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7138 s = htab->srelplt->output_section;
7139 BFD_ASSERT (s != NULL);
7140 dyn.d_un.d_ptr = s->vma;
7141 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7145 s = htab->srelplt->output_section;
7146 BFD_ASSERT (s != NULL);
7147 dyn.d_un.d_val = s->size;
7148 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7152 /* My reading of the SVR4 ABI indicates that the
7153 procedure linkage table relocs (DT_JMPREL) should be
7154 included in the overall relocs (DT_RELA). This is
7155 what Solaris does. However, UnixWare can not handle
7156 that case. Therefore, we override the DT_RELASZ entry
7157 here to make it not include the JMPREL relocs. Since
7158 the linker script arranges for .rela.plt to follow all
7159 other relocation sections, we don't have to worry
7160 about changing the DT_RELA entry. */
7161 if (htab->srelplt != NULL)
7163 s = htab->srelplt->output_section;
7164 dyn.d_un.d_val -= s->size;
7166 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7171 /* Fill in the first entry in the procedure linkage table. */
7173 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
7177 memcpy (splt->contents,
7178 htab->plt_info->plt0_entry,
7179 htab->plt_info->plt0_entry_size);
7180 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
7181 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
7182 install_plt_field (output_bfd, FALSE,
7183 (sgotplt->output_section->vma
7184 + sgotplt->output_offset
7187 + htab->plt_info->plt0_got_fields[i]));
7189 if (htab->vxworks_p)
7191 /* Finalize the .rela.plt.unloaded contents. */
7192 Elf_Internal_Rela rel;
7195 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
7196 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
7197 loc = htab->srelplt2->contents;
7198 rel.r_offset = (splt->output_section->vma
7199 + splt->output_offset
7200 + htab->plt_info->plt0_got_fields[2]);
7201 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
7203 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7204 loc += sizeof (Elf32_External_Rela);
7206 /* Fix up the remaining .rela.plt.unloaded relocations.
7207 They may have the wrong symbol index for _G_O_T_ or
7208 _P_L_T_ depending on the order in which symbols were
7210 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
7212 /* The PLT entry's pointer to the .got.plt slot. */
7213 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7214 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
7216 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7217 loc += sizeof (Elf32_External_Rela);
7219 /* The .got.plt slot's pointer to .plt. */
7220 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7221 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
7223 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7224 loc += sizeof (Elf32_External_Rela);
7228 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7229 really seem like the right value. */
7230 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7234 /* Fill in the first three entries in the global offset table. */
7235 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
7238 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
7240 bfd_put_32 (output_bfd,
7241 sdyn->output_section->vma + sdyn->output_offset,
7243 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
7244 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
7247 if (sgotplt && sgotplt->size > 0)
7248 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
7250 /* At the very end of the .rofixup section is a pointer to the GOT. */
7251 if (htab->fdpic_p && htab->srofixup != NULL)
7253 struct elf_link_hash_entry *hgot = htab->root.hgot;
7254 bfd_vma got_value = hgot->root.u.def.value
7255 + hgot->root.u.def.section->output_section->vma
7256 + hgot->root.u.def.section->output_offset;
7258 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
7260 /* Make sure we allocated and generated the same number of fixups. */
7261 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
7264 if (htab->srelfuncdesc)
7265 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
7266 == htab->srelfuncdesc->size);
7269 BFD_ASSERT (htab->srelgot->reloc_count * sizeof (Elf32_External_Rela)
7270 == htab->srelgot->size);
7275 static enum elf_reloc_type_class
7276 sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
7277 const asection *rel_sec ATTRIBUTE_UNUSED,
7278 const Elf_Internal_Rela *rela)
7280 switch ((int) ELF32_R_TYPE (rela->r_info))
7283 return reloc_class_relative;
7285 return reloc_class_plt;
7287 return reloc_class_copy;
7289 return reloc_class_normal;
7293 #if !defined SH_TARGET_ALREADY_DEFINED
7294 /* Support for Linux core dump NOTE sections. */
7297 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
7302 switch (note->descsz)
7307 case 168: /* Linux/SH */
7309 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
7312 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
7321 /* Make a ".reg/999" section. */
7322 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
7323 size, note->descpos + offset);
7327 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
7329 switch (note->descsz)
7334 case 124: /* Linux/SH elf_prpsinfo */
7335 elf_tdata (abfd)->core->program
7336 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7337 elf_tdata (abfd)->core->command
7338 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7341 /* Note that for some reason, a spurious space is tacked
7342 onto the end of the args in some (at least one anyway)
7343 implementations, so strip it off if it exists. */
7346 char *command = elf_tdata (abfd)->core->command;
7347 int n = strlen (command);
7349 if (0 < n && command[n - 1] == ' ')
7350 command[n - 1] = '\0';
7355 #endif /* not SH_TARGET_ALREADY_DEFINED */
7358 /* Return address for Ith PLT stub in section PLT, for relocation REL
7359 or (bfd_vma) -1 if it should not be included. */
7362 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7363 const arelent *rel ATTRIBUTE_UNUSED)
7365 const struct elf_sh_plt_info *plt_info;
7367 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
7368 return plt->vma + get_plt_offset (plt_info, i);
7371 /* Decide whether to attempt to turn absptr or lsda encodings in
7372 shared libraries into pcrel within the given input section. */
7375 sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
7376 struct bfd_link_info *info,
7377 asection *eh_frame_section ATTRIBUTE_UNUSED)
7379 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7381 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
7388 /* Adjust the contents of an eh_frame_hdr section before they're output. */
7391 sh_elf_encode_eh_address (bfd *abfd,
7392 struct bfd_link_info *info,
7393 asection *osec, bfd_vma offset,
7394 asection *loc_sec, bfd_vma loc_offset,
7397 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7398 struct elf_link_hash_entry *h;
7401 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
7402 loc_offset, encoded);
7404 h = htab->root.hgot;
7405 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
7407 if (! h || (sh_elf_osec_to_segment (abfd, osec)
7408 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
7409 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
7410 loc_sec, loc_offset, encoded);
7412 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
7413 == (sh_elf_osec_to_segment
7414 (abfd, h->root.u.def.section->output_section)));
7416 *encoded = osec->vma + offset
7417 - (h->root.u.def.value
7418 + h->root.u.def.section->output_section->vma
7419 + h->root.u.def.section->output_offset);
7421 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
7424 #if !defined SH_TARGET_ALREADY_DEFINED
7425 #define TARGET_BIG_SYM sh_elf32_vec
7426 #define TARGET_BIG_NAME "elf32-sh"
7427 #define TARGET_LITTLE_SYM sh_elf32_le_vec
7428 #define TARGET_LITTLE_NAME "elf32-shl"
7431 #define ELF_ARCH bfd_arch_sh
7432 #define ELF_TARGET_ID SH_ELF_DATA
7433 #define ELF_MACHINE_CODE EM_SH
7434 #ifdef __QNXTARGET__
7435 #define ELF_MAXPAGESIZE 0x1000
7437 #define ELF_MAXPAGESIZE 0x80
7440 #define elf_symbol_leading_char '_'
7442 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
7443 #define bfd_elf32_bfd_reloc_name_lookup \
7444 sh_elf_reloc_name_lookup
7445 #define elf_info_to_howto sh_elf_info_to_howto
7446 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
7447 #define elf_backend_relocate_section sh_elf_relocate_section
7448 #define bfd_elf32_bfd_get_relocated_section_contents \
7449 sh_elf_get_relocated_section_contents
7450 #define bfd_elf32_mkobject sh_elf_mkobject
7451 #define elf_backend_object_p sh_elf_object_p
7452 #define bfd_elf32_bfd_copy_private_bfd_data \
7453 sh_elf_copy_private_data
7454 #define bfd_elf32_bfd_merge_private_bfd_data \
7455 sh_elf_merge_private_data
7457 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7458 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7459 #define elf_backend_check_relocs sh_elf_check_relocs
7460 #define elf_backend_copy_indirect_symbol \
7461 sh_elf_copy_indirect_symbol
7462 #define elf_backend_create_dynamic_sections \
7463 sh_elf_create_dynamic_sections
7464 #define bfd_elf32_bfd_link_hash_table_create \
7465 sh_elf_link_hash_table_create
7466 #define elf_backend_adjust_dynamic_symbol \
7467 sh_elf_adjust_dynamic_symbol
7468 #define elf_backend_always_size_sections \
7469 sh_elf_always_size_sections
7470 #define elf_backend_size_dynamic_sections \
7471 sh_elf_size_dynamic_sections
7472 #define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
7473 #define elf_backend_finish_dynamic_symbol \
7474 sh_elf_finish_dynamic_symbol
7475 #define elf_backend_finish_dynamic_sections \
7476 sh_elf_finish_dynamic_sections
7477 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
7478 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
7479 #define elf_backend_can_make_relative_eh_frame \
7480 sh_elf_use_relative_eh_frame
7481 #define elf_backend_can_make_lsda_relative_eh_frame \
7482 sh_elf_use_relative_eh_frame
7483 #define elf_backend_encode_eh_address \
7484 sh_elf_encode_eh_address
7486 #define elf_backend_stack_align 8
7487 #define elf_backend_can_gc_sections 1
7488 #define elf_backend_can_refcount 1
7489 #define elf_backend_want_got_plt 1
7490 #define elf_backend_plt_readonly 1
7491 #define elf_backend_want_plt_sym 0
7492 #define elf_backend_got_header_size 12
7494 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
7496 #include "elf32-target.h"
7498 /* NetBSD support. */
7499 #undef TARGET_BIG_SYM
7500 #define TARGET_BIG_SYM sh_elf32_nbsd_vec
7501 #undef TARGET_BIG_NAME
7502 #define TARGET_BIG_NAME "elf32-sh-nbsd"
7503 #undef TARGET_LITTLE_SYM
7504 #define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec
7505 #undef TARGET_LITTLE_NAME
7506 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7507 #undef ELF_MAXPAGESIZE
7508 #define ELF_MAXPAGESIZE 0x10000
7509 #undef ELF_COMMONPAGESIZE
7510 #undef elf_symbol_leading_char
7511 #define elf_symbol_leading_char 0
7513 #define elf32_bed elf32_sh_nbsd_bed
7515 #include "elf32-target.h"
7518 /* Linux support. */
7519 #undef TARGET_BIG_SYM
7520 #define TARGET_BIG_SYM sh_elf32_linux_be_vec
7521 #undef TARGET_BIG_NAME
7522 #define TARGET_BIG_NAME "elf32-shbig-linux"
7523 #undef TARGET_LITTLE_SYM
7524 #define TARGET_LITTLE_SYM sh_elf32_linux_vec
7525 #undef TARGET_LITTLE_NAME
7526 #define TARGET_LITTLE_NAME "elf32-sh-linux"
7527 #undef ELF_COMMONPAGESIZE
7528 #define ELF_COMMONPAGESIZE 0x1000
7530 #undef elf_backend_grok_prstatus
7531 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7532 #undef elf_backend_grok_psinfo
7533 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
7535 #define elf32_bed elf32_sh_lin_bed
7537 #include "elf32-target.h"
7540 /* FDPIC support. */
7541 #undef TARGET_BIG_SYM
7542 #define TARGET_BIG_SYM sh_elf32_fdpic_be_vec
7543 #undef TARGET_BIG_NAME
7544 #define TARGET_BIG_NAME "elf32-shbig-fdpic"
7545 #undef TARGET_LITTLE_SYM
7546 #define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec
7547 #undef TARGET_LITTLE_NAME
7548 #define TARGET_LITTLE_NAME "elf32-sh-fdpic"
7551 #define elf32_bed elf32_sh_fd_bed
7553 #include "elf32-target.h"
7555 #undef elf_backend_modify_program_headers
7557 /* VxWorks support. */
7558 #undef TARGET_BIG_SYM
7559 #define TARGET_BIG_SYM sh_elf32_vxworks_vec
7560 #undef TARGET_BIG_NAME
7561 #define TARGET_BIG_NAME "elf32-sh-vxworks"
7562 #undef TARGET_LITTLE_SYM
7563 #define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec
7564 #undef TARGET_LITTLE_NAME
7565 #define TARGET_LITTLE_NAME "elf32-shl-vxworks"
7567 #define elf32_bed elf32_sh_vxworks_bed
7569 #undef elf_backend_want_plt_sym
7570 #define elf_backend_want_plt_sym 1
7571 #undef elf_symbol_leading_char
7572 #define elf_symbol_leading_char '_'
7573 #define elf_backend_want_got_underscore 1
7574 #undef elf_backend_grok_prstatus
7575 #undef elf_backend_grok_psinfo
7576 #undef elf_backend_add_symbol_hook
7577 #define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
7578 #undef elf_backend_link_output_symbol_hook
7579 #define elf_backend_link_output_symbol_hook \
7580 elf_vxworks_link_output_symbol_hook
7581 #undef elf_backend_emit_relocs
7582 #define elf_backend_emit_relocs elf_vxworks_emit_relocs
7583 #undef elf_backend_final_write_processing
7584 #define elf_backend_final_write_processing \
7585 elf_vxworks_final_write_processing
7586 #undef ELF_MAXPAGESIZE
7587 #define ELF_MAXPAGESIZE 0x1000
7588 #undef ELF_COMMONPAGESIZE
7590 #include "elf32-target.h"
7592 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */