1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright (C) 1996-2014 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 if (bfd_is_com_section (symbol_in->section))
261 sym_value = (symbol_in->value +
262 symbol_in->section->output_section->vma +
263 symbol_in->section->output_offset);
268 insn = bfd_get_32 (abfd, hit_data);
269 insn += sym_value + reloc_entry->addend;
270 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
273 insn = bfd_get_16 (abfd, hit_data);
274 sym_value += reloc_entry->addend;
275 sym_value -= (input_section->output_section->vma
276 + input_section->output_offset
279 sym_value += (insn & 0xfff) << 1;
282 insn = (insn & 0xf000) | (sym_value & 0xfff);
283 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
284 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
285 return bfd_reloc_overflow;
295 /* This function is used for relocs which are only used for relaxing,
296 which the linker should otherwise ignore. */
298 static bfd_reloc_status_type
299 sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
300 asymbol *symbol ATTRIBUTE_UNUSED,
301 void *data ATTRIBUTE_UNUSED, asection *input_section,
303 char **error_message ATTRIBUTE_UNUSED)
305 if (output_bfd != NULL)
306 reloc_entry->address += input_section->output_offset;
310 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
314 bfd_reloc_code_real_type bfd_reloc_val;
315 unsigned char elf_reloc_val;
318 /* An array mapping BFD reloc codes to SH ELF relocs. */
320 static const struct elf_reloc_map sh_reloc_map[] =
322 { BFD_RELOC_NONE, R_SH_NONE },
323 { BFD_RELOC_32, R_SH_DIR32 },
324 { BFD_RELOC_16, R_SH_DIR16 },
325 { BFD_RELOC_8, R_SH_DIR8 },
326 { BFD_RELOC_CTOR, R_SH_DIR32 },
327 { BFD_RELOC_32_PCREL, R_SH_REL32 },
328 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
329 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
330 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
331 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
332 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
333 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
334 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
335 { BFD_RELOC_SH_USES, R_SH_USES },
336 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
337 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
338 { BFD_RELOC_SH_CODE, R_SH_CODE },
339 { BFD_RELOC_SH_DATA, R_SH_DATA },
340 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
341 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
342 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
343 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
344 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
345 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
346 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
347 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
348 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
349 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
350 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
351 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
352 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
353 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
354 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
355 { BFD_RELOC_SH_COPY, R_SH_COPY },
356 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
357 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
358 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
359 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
360 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
361 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
362 { BFD_RELOC_SH_GOT20, R_SH_GOT20 },
363 { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
364 { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
365 { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
366 { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
367 { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
368 { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
369 #ifdef INCLUDE_SHMEDIA
370 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
371 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
372 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
373 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
374 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
375 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
376 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
377 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
378 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
379 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
380 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
381 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
382 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
383 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
384 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
385 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
386 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
387 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
388 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
389 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
390 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
391 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
392 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
393 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
394 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
395 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
396 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
397 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
398 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
399 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
400 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
401 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
402 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
403 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
404 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
405 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
406 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
407 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
408 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
409 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
410 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
411 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
412 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
413 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
414 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
415 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
416 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
417 { BFD_RELOC_64, R_SH_64 },
418 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
419 #endif /* not INCLUDE_SHMEDIA */
422 /* Given a BFD reloc code, return the howto structure for the
423 corresponding SH ELF reloc. */
425 static reloc_howto_type *
426 sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
430 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
432 if (sh_reloc_map[i].bfd_reloc_val == code)
433 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
439 static reloc_howto_type *
440 sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
444 if (vxworks_object_p (abfd))
447 i < (sizeof (sh_vxworks_howto_table)
448 / sizeof (sh_vxworks_howto_table[0]));
450 if (sh_vxworks_howto_table[i].name != NULL
451 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
452 return &sh_vxworks_howto_table[i];
457 i < (sizeof (sh_elf_howto_table)
458 / sizeof (sh_elf_howto_table[0]));
460 if (sh_elf_howto_table[i].name != NULL
461 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
462 return &sh_elf_howto_table[i];
468 /* Given an ELF reloc, fill in the howto field of a relent. */
471 sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
475 r = ELF32_R_TYPE (dst->r_info);
477 BFD_ASSERT (r < (unsigned int) R_SH_max);
478 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
479 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
480 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
481 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
482 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
483 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_6 || r > R_SH_LAST_INVALID_RELOC_6);
485 cache_ptr->howto = get_howto_table (abfd) + r;
488 /* This function handles relaxing for SH ELF. See the corresponding
489 function in coff-sh.c for a description of what this does. FIXME:
490 There is a lot of duplication here between this code and the COFF
491 specific code. The format of relocs and symbols is wound deeply
492 into this code, but it would still be better if the duplication
493 could be eliminated somehow. Note in particular that although both
494 functions use symbols like R_SH_CODE, those symbols have different
495 values; in coff-sh.c they come from include/coff/sh.h, whereas here
496 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
499 sh_elf_relax_section (bfd *abfd, asection *sec,
500 struct bfd_link_info *link_info, bfd_boolean *again)
502 Elf_Internal_Shdr *symtab_hdr;
503 Elf_Internal_Rela *internal_relocs;
504 bfd_boolean have_code;
505 Elf_Internal_Rela *irel, *irelend;
506 bfd_byte *contents = NULL;
507 Elf_Internal_Sym *isymbuf = NULL;
511 if (link_info->relocatable
512 || (sec->flags & SEC_RELOC) == 0
513 || sec->reloc_count == 0)
516 #ifdef INCLUDE_SHMEDIA
517 if (elf_section_data (sec)->this_hdr.sh_flags
518 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
524 symtab_hdr = &elf_symtab_hdr (abfd);
526 internal_relocs = (_bfd_elf_link_read_relocs
527 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
528 link_info->keep_memory));
529 if (internal_relocs == NULL)
534 irelend = internal_relocs + sec->reloc_count;
535 for (irel = internal_relocs; irel < irelend; irel++)
537 bfd_vma laddr, paddr, symval;
539 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
542 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
545 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
548 /* Get the section contents. */
549 if (contents == NULL)
551 if (elf_section_data (sec)->this_hdr.contents != NULL)
552 contents = elf_section_data (sec)->this_hdr.contents;
555 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
560 /* The r_addend field of the R_SH_USES reloc will point us to
561 the register load. The 4 is because the r_addend field is
562 computed as though it were a jump offset, which are based
563 from 4 bytes after the jump instruction. */
564 laddr = irel->r_offset + 4 + irel->r_addend;
565 if (laddr >= sec->size)
567 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
569 (unsigned long) irel->r_offset);
572 insn = bfd_get_16 (abfd, contents + laddr);
574 /* If the instruction is not mov.l NN,rN, we don't know what to
576 if ((insn & 0xf000) != 0xd000)
578 ((*_bfd_error_handler)
579 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
580 abfd, (unsigned long) irel->r_offset, insn));
584 /* Get the address from which the register is being loaded. The
585 displacement in the mov.l instruction is quadrupled. It is a
586 displacement from four bytes after the movl instruction, but,
587 before adding in the PC address, two least significant bits
588 of the PC are cleared. We assume that the section is aligned
589 on a four byte boundary. */
592 paddr += (laddr + 4) &~ (bfd_vma) 3;
593 if (paddr >= sec->size)
595 ((*_bfd_error_handler)
596 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
597 abfd, (unsigned long) irel->r_offset));
601 /* Get the reloc for the address from which the register is
602 being loaded. This reloc will tell us which function is
603 actually being called. */
604 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
605 if (irelfn->r_offset == paddr
606 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
608 if (irelfn >= irelend)
610 ((*_bfd_error_handler)
611 (_("%B: 0x%lx: warning: could not find expected reloc"),
612 abfd, (unsigned long) paddr));
616 /* Read this BFD's symbols if we haven't done so already. */
617 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
619 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
621 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
622 symtab_hdr->sh_info, 0,
628 /* Get the value of the symbol referred to by the reloc. */
629 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
631 /* A local symbol. */
632 Elf_Internal_Sym *isym;
634 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
636 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
638 ((*_bfd_error_handler)
639 (_("%B: 0x%lx: warning: symbol in unexpected section"),
640 abfd, (unsigned long) paddr));
644 symval = (isym->st_value
645 + sec->output_section->vma
646 + sec->output_offset);
651 struct elf_link_hash_entry *h;
653 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
654 h = elf_sym_hashes (abfd)[indx];
655 BFD_ASSERT (h != NULL);
656 if (h->root.type != bfd_link_hash_defined
657 && h->root.type != bfd_link_hash_defweak)
659 /* This appears to be a reference to an undefined
660 symbol. Just ignore it--it will be caught by the
661 regular reloc processing. */
665 symval = (h->root.u.def.value
666 + h->root.u.def.section->output_section->vma
667 + h->root.u.def.section->output_offset);
670 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
671 symval += bfd_get_32 (abfd, contents + paddr);
673 symval += irelfn->r_addend;
675 /* See if this function call can be shortened. */
678 + sec->output_section->vma
681 /* A branch to an address beyond ours might be increased by an
682 .align that doesn't move when bytes behind us are deleted.
683 So, we add some slop in this calculation to allow for
685 if (foff < -0x1000 || foff >= 0x1000 - 8)
687 /* After all that work, we can't shorten this function call. */
691 /* Shorten the function call. */
693 /* For simplicity of coding, we are going to modify the section
694 contents, the section relocs, and the BFD symbol table. We
695 must tell the rest of the code not to free up this
696 information. It would be possible to instead create a table
697 of changes which have to be made, as is done in coff-mips.c;
698 that would be more work, but would require less memory when
699 the linker is run. */
701 elf_section_data (sec)->relocs = internal_relocs;
702 elf_section_data (sec)->this_hdr.contents = contents;
703 symtab_hdr->contents = (unsigned char *) isymbuf;
705 /* Replace the jsr with a bsr. */
707 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
708 replace the jsr with a bsr. */
709 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
710 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
711 here, but that only checks if the symbol is an external symbol,
712 not if the symbol is in a different section. Besides, we need
713 a consistent meaning for the relocation, so we just assume here that
714 the value of the symbol is not available. */
716 /* We can't fully resolve this yet, because the external
717 symbol value may be changed by future relaxing. We let
718 the final link phase handle it. */
719 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
723 /* When we calculated the symbol "value" we had an offset in the
724 DIR32's word in memory (we read and add it above). However,
725 the jsr we create does NOT have this offset encoded, so we
726 have to add it to the addend to preserve it. */
727 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
729 /* See if there is another R_SH_USES reloc referring to the same
731 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
732 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
733 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
735 if (irelscan < irelend)
737 /* Some other function call depends upon this register load,
738 and we have not yet converted that function call.
739 Indeed, we may never be able to convert it. There is
740 nothing else we can do at this point. */
744 /* Look for a R_SH_COUNT reloc on the location where the
745 function address is stored. Do this before deleting any
746 bytes, to avoid confusion about the address. */
747 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
748 if (irelcount->r_offset == paddr
749 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
752 /* Delete the register load. */
753 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
756 /* That will change things, so, just in case it permits some
757 other function call to come within range, we should relax
758 again. Note that this is not required, and it may be slow. */
761 /* Now check whether we got a COUNT reloc. */
762 if (irelcount >= irelend)
764 ((*_bfd_error_handler)
765 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
766 abfd, (unsigned long) paddr));
770 /* The number of uses is stored in the r_addend field. We've
772 if (irelcount->r_addend == 0)
774 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
776 (unsigned long) paddr));
780 --irelcount->r_addend;
782 /* If there are no more uses, we can delete the address. Reload
783 the address from irelfn, in case it was changed by the
784 previous call to sh_elf_relax_delete_bytes. */
785 if (irelcount->r_addend == 0)
787 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
791 /* We've done all we can with that function call. */
794 /* Look for load and store instructions that we can align on four
796 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
801 /* Get the section contents. */
802 if (contents == NULL)
804 if (elf_section_data (sec)->this_hdr.contents != NULL)
805 contents = elf_section_data (sec)->this_hdr.contents;
808 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
813 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
819 elf_section_data (sec)->relocs = internal_relocs;
820 elf_section_data (sec)->this_hdr.contents = contents;
821 symtab_hdr->contents = (unsigned char *) isymbuf;
826 && symtab_hdr->contents != (unsigned char *) isymbuf)
828 if (! link_info->keep_memory)
832 /* Cache the symbols for elf_link_input_bfd. */
833 symtab_hdr->contents = (unsigned char *) isymbuf;
838 && elf_section_data (sec)->this_hdr.contents != contents)
840 if (! link_info->keep_memory)
844 /* Cache the section contents for elf_link_input_bfd. */
845 elf_section_data (sec)->this_hdr.contents = contents;
849 if (internal_relocs != NULL
850 && elf_section_data (sec)->relocs != internal_relocs)
851 free (internal_relocs);
857 && symtab_hdr->contents != (unsigned char *) isymbuf)
860 && elf_section_data (sec)->this_hdr.contents != contents)
862 if (internal_relocs != NULL
863 && elf_section_data (sec)->relocs != internal_relocs)
864 free (internal_relocs);
869 /* Delete some bytes from a section while relaxing. FIXME: There is a
870 lot of duplication between this function and sh_relax_delete_bytes
874 sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
877 Elf_Internal_Shdr *symtab_hdr;
878 unsigned int sec_shndx;
880 Elf_Internal_Rela *irel, *irelend;
881 Elf_Internal_Rela *irelalign;
883 Elf_Internal_Sym *isymbuf, *isym, *isymend;
884 struct elf_link_hash_entry **sym_hashes;
885 struct elf_link_hash_entry **end_hashes;
886 unsigned int symcount;
889 symtab_hdr = &elf_symtab_hdr (abfd);
890 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
892 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
894 contents = elf_section_data (sec)->this_hdr.contents;
896 /* The deletion must stop at the next ALIGN reloc for an aligment
897 power larger than the number of bytes we are deleting. */
902 irel = elf_section_data (sec)->relocs;
903 irelend = irel + sec->reloc_count;
904 for (; irel < irelend; irel++)
906 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
907 && irel->r_offset > addr
908 && count < (1 << irel->r_addend))
911 toaddr = irel->r_offset;
916 /* Actually delete the bytes. */
917 memmove (contents + addr, contents + addr + count,
918 (size_t) (toaddr - addr - count));
919 if (irelalign == NULL)
925 #define NOP_OPCODE (0x0009)
927 BFD_ASSERT ((count & 1) == 0);
928 for (i = 0; i < count; i += 2)
929 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
932 /* Adjust all the relocs. */
933 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
935 bfd_vma nraddr, stop;
938 int off, adjust, oinsn;
939 bfd_signed_vma voff = 0;
940 bfd_boolean overflow;
942 /* Get the new reloc address. */
943 nraddr = irel->r_offset;
944 if ((irel->r_offset > addr
945 && irel->r_offset < toaddr)
946 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
947 && irel->r_offset == toaddr))
950 /* See if this reloc was for the bytes we have deleted, in which
951 case we no longer care about it. Don't delete relocs which
952 represent addresses, though. */
953 if (irel->r_offset >= addr
954 && irel->r_offset < addr + count
955 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
956 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
957 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
958 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
959 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
962 /* If this is a PC relative reloc, see if the range it covers
963 includes the bytes we have deleted. */
964 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
973 start = irel->r_offset;
974 insn = bfd_get_16 (abfd, contents + nraddr);
978 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
985 /* If this reloc is against a symbol defined in this
986 section, and the symbol will not be adjusted below, we
987 must check the addend to see it will put the value in
988 range to be adjusted, and hence must be changed. */
989 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
991 isym = isymbuf + ELF32_R_SYM (irel->r_info);
992 if (isym->st_shndx == sec_shndx
993 && (isym->st_value <= addr
994 || isym->st_value >= toaddr))
998 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
1000 val = bfd_get_32 (abfd, contents + nraddr);
1001 val += isym->st_value;
1002 if (val > addr && val < toaddr)
1003 bfd_put_32 (abfd, val - count, contents + nraddr);
1007 val = isym->st_value + irel->r_addend;
1008 if (val > addr && val < toaddr)
1009 irel->r_addend -= count;
1013 start = stop = addr;
1020 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1027 /* This has been made by previous relaxation. Since the
1028 relocation will be against an external symbol, the
1029 final relocation will just do the right thing. */
1030 start = stop = addr;
1036 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1038 /* The addend will be against the section symbol, thus
1039 for adjusting the addend, the relevant start is the
1040 start of the section.
1041 N.B. If we want to abandon in-place changes here and
1042 test directly using symbol + addend, we have to take into
1043 account that the addend has already been adjusted by -4. */
1044 if (stop > addr && stop < toaddr)
1045 irel->r_addend -= count;
1051 stop = start + 4 + off * 2;
1056 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
1062 /* These relocs types represent
1064 The r_addend field holds the difference between the reloc
1065 address and L1. That is the start of the reloc, and
1066 adding in the contents gives us the top. We must adjust
1067 both the r_offset field and the section contents.
1068 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1069 and the elf bfd r_offset is called r_vaddr. */
1071 stop = irel->r_offset;
1072 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
1076 && (stop <= addr || stop >= toaddr))
1077 irel->r_addend += count;
1078 else if (stop > addr
1080 && (start <= addr || start >= toaddr))
1081 irel->r_addend -= count;
1083 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1084 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1085 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1086 voff = bfd_get_8 (abfd, contents + nraddr);
1088 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1089 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1094 start = irel->r_offset;
1095 stop = (bfd_vma) ((bfd_signed_vma) start
1096 + (long) irel->r_addend
1103 && (stop <= addr || stop >= toaddr))
1105 else if (stop > addr
1107 && (start <= addr || start >= toaddr))
1116 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1125 if ((oinsn & 0xff00) != (insn & 0xff00))
1127 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1132 if ((oinsn & 0xf000) != (insn & 0xf000))
1134 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1138 BFD_ASSERT (adjust == count || count >= 4);
1143 if ((irel->r_offset & 3) == 0)
1146 if ((oinsn & 0xff00) != (insn & 0xff00))
1148 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1153 if (voff < 0 || voff >= 0xff)
1155 bfd_put_8 (abfd, voff, contents + nraddr);
1160 if (voff < - 0x8000 || voff >= 0x8000)
1162 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
1167 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
1171 irel->r_addend += adjust;
1177 ((*_bfd_error_handler)
1178 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1179 abfd, (unsigned long) irel->r_offset));
1180 bfd_set_error (bfd_error_bad_value);
1185 irel->r_offset = nraddr;
1188 /* Look through all the other sections. If there contain any IMM32
1189 relocs against internal symbols which we are not going to adjust
1190 below, we may need to adjust the addends. */
1191 for (o = abfd->sections; o != NULL; o = o->next)
1193 Elf_Internal_Rela *internal_relocs;
1194 Elf_Internal_Rela *irelscan, *irelscanend;
1195 bfd_byte *ocontents;
1198 || (o->flags & SEC_RELOC) == 0
1199 || o->reloc_count == 0)
1202 /* We always cache the relocs. Perhaps, if info->keep_memory is
1203 FALSE, we should free them, if we are permitted to, when we
1204 leave sh_coff_relax_section. */
1205 internal_relocs = (_bfd_elf_link_read_relocs
1206 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
1207 if (internal_relocs == NULL)
1211 irelscanend = internal_relocs + o->reloc_count;
1212 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1214 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1215 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1217 bfd_vma start, stop;
1218 bfd_signed_vma voff;
1220 if (ocontents == NULL)
1222 if (elf_section_data (o)->this_hdr.contents != NULL)
1223 ocontents = elf_section_data (o)->this_hdr.contents;
1226 /* We always cache the section contents.
1227 Perhaps, if info->keep_memory is FALSE, we
1228 should free them, if we are permitted to,
1229 when we leave sh_coff_relax_section. */
1230 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1232 if (ocontents != NULL)
1237 elf_section_data (o)->this_hdr.contents = ocontents;
1241 stop = irelscan->r_offset;
1243 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1245 /* STOP is in a different section, so it won't change. */
1246 if (start > addr && start < toaddr)
1247 irelscan->r_addend += count;
1249 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1250 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1254 && (stop <= addr || stop >= toaddr))
1255 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
1256 ocontents + irelscan->r_offset);
1257 else if (stop > addr
1259 && (start <= addr || start >= toaddr))
1260 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
1261 ocontents + irelscan->r_offset);
1264 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1267 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1271 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1272 if (isym->st_shndx == sec_shndx
1273 && (isym->st_value <= addr
1274 || isym->st_value >= toaddr))
1278 if (ocontents == NULL)
1280 if (elf_section_data (o)->this_hdr.contents != NULL)
1281 ocontents = elf_section_data (o)->this_hdr.contents;
1284 /* We always cache the section contents.
1285 Perhaps, if info->keep_memory is FALSE, we
1286 should free them, if we are permitted to,
1287 when we leave sh_coff_relax_section. */
1288 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1290 if (ocontents != NULL)
1295 elf_section_data (o)->this_hdr.contents = ocontents;
1299 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
1300 val += isym->st_value;
1301 if (val > addr && val < toaddr)
1302 bfd_put_32 (abfd, val - count,
1303 ocontents + irelscan->r_offset);
1308 /* Adjust the local symbols defined in this section. */
1309 isymend = isymbuf + symtab_hdr->sh_info;
1310 for (isym = isymbuf; isym < isymend; isym++)
1312 if (isym->st_shndx == sec_shndx
1313 && isym->st_value > addr
1314 && isym->st_value < toaddr)
1315 isym->st_value -= count;
1318 /* Now adjust the global symbols defined in this section. */
1319 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1320 - symtab_hdr->sh_info);
1321 sym_hashes = elf_sym_hashes (abfd);
1322 end_hashes = sym_hashes + symcount;
1323 for (; sym_hashes < end_hashes; sym_hashes++)
1325 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1326 if ((sym_hash->root.type == bfd_link_hash_defined
1327 || sym_hash->root.type == bfd_link_hash_defweak)
1328 && sym_hash->root.u.def.section == sec
1329 && sym_hash->root.u.def.value > addr
1330 && sym_hash->root.u.def.value < toaddr)
1332 sym_hash->root.u.def.value -= count;
1336 /* See if we can move the ALIGN reloc forward. We have adjusted
1337 r_offset for it already. */
1338 if (irelalign != NULL)
1340 bfd_vma alignto, alignaddr;
1342 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1343 alignaddr = BFD_ALIGN (irelalign->r_offset,
1344 1 << irelalign->r_addend);
1345 if (alignto != alignaddr)
1347 /* Tail recursion. */
1348 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
1349 (int) (alignto - alignaddr));
1356 /* Look for loads and stores which we can align to four byte
1357 boundaries. This is like sh_align_loads in coff-sh.c. */
1360 sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1361 Elf_Internal_Rela *internal_relocs,
1362 bfd_byte *contents ATTRIBUTE_UNUSED,
1363 bfd_boolean *pswapped)
1365 Elf_Internal_Rela *irel, *irelend;
1366 bfd_vma *labels = NULL;
1367 bfd_vma *label, *label_end;
1372 irelend = internal_relocs + sec->reloc_count;
1374 /* Get all the addresses with labels on them. */
1375 amt = sec->reloc_count;
1376 amt *= sizeof (bfd_vma);
1377 labels = (bfd_vma *) bfd_malloc (amt);
1381 for (irel = internal_relocs; irel < irelend; irel++)
1383 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1385 *label_end = irel->r_offset;
1390 /* Note that the assembler currently always outputs relocs in
1391 address order. If that ever changes, this code will need to sort
1392 the label values and the relocs. */
1396 for (irel = internal_relocs; irel < irelend; irel++)
1398 bfd_vma start, stop;
1400 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1403 start = irel->r_offset;
1405 for (irel++; irel < irelend; irel++)
1406 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1409 stop = irel->r_offset;
1413 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
1414 internal_relocs, &label,
1415 label_end, start, stop, pswapped))
1430 /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1433 sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1434 bfd_byte *contents, bfd_vma addr)
1436 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1437 unsigned short i1, i2;
1438 Elf_Internal_Rela *irel, *irelend;
1440 /* Swap the instructions themselves. */
1441 i1 = bfd_get_16 (abfd, contents + addr);
1442 i2 = bfd_get_16 (abfd, contents + addr + 2);
1443 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1444 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
1446 /* Adjust all reloc addresses. */
1447 irelend = internal_relocs + sec->reloc_count;
1448 for (irel = internal_relocs; irel < irelend; irel++)
1450 enum elf_sh_reloc_type type;
1453 /* There are a few special types of relocs that we don't want to
1454 adjust. These relocs do not apply to the instruction itself,
1455 but are only associated with the address. */
1456 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1457 if (type == R_SH_ALIGN
1458 || type == R_SH_CODE
1459 || type == R_SH_DATA
1460 || type == R_SH_LABEL)
1463 /* If an R_SH_USES reloc points to one of the addresses being
1464 swapped, we must adjust it. It would be incorrect to do this
1465 for a jump, though, since we want to execute both
1466 instructions after the jump. (We have avoided swapping
1467 around a label, so the jump will not wind up executing an
1468 instruction it shouldn't). */
1469 if (type == R_SH_USES)
1473 off = irel->r_offset + 4 + irel->r_addend;
1475 irel->r_offset += 2;
1476 else if (off == addr + 2)
1477 irel->r_offset -= 2;
1480 if (irel->r_offset == addr)
1482 irel->r_offset += 2;
1485 else if (irel->r_offset == addr + 2)
1487 irel->r_offset -= 2;
1496 unsigned short insn, oinsn;
1497 bfd_boolean overflow;
1499 loc = contents + irel->r_offset;
1508 insn = bfd_get_16 (abfd, loc);
1511 if ((oinsn & 0xff00) != (insn & 0xff00))
1513 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1517 insn = bfd_get_16 (abfd, loc);
1520 if ((oinsn & 0xf000) != (insn & 0xf000))
1522 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1526 /* This reloc ignores the least significant 3 bits of
1527 the program counter before adding in the offset.
1528 This means that if ADDR is at an even address, the
1529 swap will not affect the offset. If ADDR is an at an
1530 odd address, then the instruction will be crossing a
1531 four byte boundary, and must be adjusted. */
1532 if ((addr & 3) != 0)
1534 insn = bfd_get_16 (abfd, loc);
1537 if ((oinsn & 0xff00) != (insn & 0xff00))
1539 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1547 ((*_bfd_error_handler)
1548 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1549 abfd, (unsigned long) irel->r_offset));
1550 bfd_set_error (bfd_error_bad_value);
1558 #endif /* defined SH64_ELF */
1560 /* Describes one of the various PLT styles. */
1562 struct elf_sh_plt_info
1564 /* The template for the first PLT entry, or NULL if there is no special
1566 const bfd_byte *plt0_entry;
1568 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1569 bfd_vma plt0_entry_size;
1571 /* Index I is the offset into PLT0_ENTRY of a pointer to
1572 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1573 if there is no such pointer. */
1574 bfd_vma plt0_got_fields[3];
1576 /* The template for a symbol's PLT entry. */
1577 const bfd_byte *symbol_entry;
1579 /* The size of SYMBOL_ENTRY in bytes. */
1580 bfd_vma symbol_entry_size;
1582 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1583 on all targets. The comments by each member indicate the value
1584 that the field must hold. */
1586 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1587 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1588 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
1589 bfd_boolean got20; /* TRUE if got_entry points to a movi20
1590 instruction (instead of a constant pool
1594 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1595 bfd_vma symbol_resolve_offset;
1597 /* A different PLT layout which can be used for the first
1598 MAX_SHORT_PLT entries. It must share the same plt0. NULL in
1600 const struct elf_sh_plt_info *short_plt;
1603 #ifdef INCLUDE_SHMEDIA
1605 /* The size in bytes of an entry in the procedure linkage table. */
1607 #define ELF_PLT_ENTRY_SIZE 64
1609 /* First entry in an absolute procedure linkage table look like this. */
1611 static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
1613 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1614 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1615 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1616 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1617 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1618 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1619 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1620 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1621 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1622 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1623 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1624 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1625 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1626 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1627 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1628 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1631 static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
1633 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1634 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1635 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1636 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1637 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1638 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1639 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1640 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1641 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1642 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1643 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1644 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1645 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1646 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1647 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1648 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1651 /* Sebsequent entries in an absolute procedure linkage table look like
1654 static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1656 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1657 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1658 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1659 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1660 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1661 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1662 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1663 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1664 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1665 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1666 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1667 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1668 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1669 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1670 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1671 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1674 static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1676 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1677 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1678 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1679 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1680 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1681 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1682 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1683 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1684 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1685 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1686 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1687 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1688 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1689 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1690 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1691 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1694 /* Entries in a PIC procedure linkage table look like this. */
1696 static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1698 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1699 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1700 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1701 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1702 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1703 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1704 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1705 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1706 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
1707 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
1708 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1709 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1710 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1711 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1712 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1713 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1716 static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1718 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1719 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1720 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1721 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1722 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1723 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1724 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1725 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1726 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
1727 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
1728 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1729 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1730 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1731 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1732 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1733 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1736 static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1739 /* Big-endian non-PIC. */
1740 elf_sh_plt0_entry_be,
1742 { 0, MINUS_ONE, MINUS_ONE },
1743 elf_sh_plt_entry_be,
1745 { 0, 32, 48, FALSE },
1746 33, /* includes ISA encoding */
1750 /* Little-endian non-PIC. */
1751 elf_sh_plt0_entry_le,
1753 { 0, MINUS_ONE, MINUS_ONE },
1754 elf_sh_plt_entry_le,
1756 { 0, 32, 48, FALSE },
1757 33, /* includes ISA encoding */
1763 /* Big-endian PIC. */
1764 elf_sh_plt0_entry_be,
1766 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1767 elf_sh_pic_plt_entry_be,
1769 { 0, MINUS_ONE, 52, FALSE },
1770 33, /* includes ISA encoding */
1774 /* Little-endian PIC. */
1775 elf_sh_plt0_entry_le,
1777 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1778 elf_sh_pic_plt_entry_le,
1780 { 0, MINUS_ONE, 52, FALSE },
1781 33, /* includes ISA encoding */
1787 /* Return offset of the linker in PLT0 entry. */
1788 #define elf_sh_plt0_gotplt_offset(info) 0
1790 /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1791 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1794 On SH64, each 32-bit field is loaded by a movi/shori pair. */
1797 install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1798 unsigned long value, bfd_byte *addr)
1801 bfd_put_32 (output_bfd,
1802 bfd_get_32 (output_bfd, addr)
1803 | ((value >> 6) & 0x3fffc00),
1805 bfd_put_32 (output_bfd,
1806 bfd_get_32 (output_bfd, addr + 4)
1807 | ((value << 10) & 0x3fffc00),
1811 /* Return the type of PLT associated with ABFD. PIC_P is true if
1812 the object is position-independent. */
1814 static const struct elf_sh_plt_info *
1815 get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1817 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1820 /* The size in bytes of an entry in the procedure linkage table. */
1822 #define ELF_PLT_ENTRY_SIZE 28
1824 /* First entry in an absolute procedure linkage table look like this. */
1826 /* Note - this code has been "optimised" not to use r2. r2 is used by
1827 GCC to return the address of large structures, so it should not be
1828 corrupted here. This does mean however, that this PLT does not conform
1829 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1830 and r2 contains the GOT id. This version stores the GOT id in r0 and
1831 ignores the type. Loaders can easily detect this difference however,
1832 since the type will always be 0 or 8, and the GOT ids will always be
1833 greater than or equal to 12. */
1834 static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
1836 0xd0, 0x05, /* mov.l 2f,r0 */
1837 0x60, 0x02, /* mov.l @r0,r0 */
1838 0x2f, 0x06, /* mov.l r0,@-r15 */
1839 0xd0, 0x03, /* mov.l 1f,r0 */
1840 0x60, 0x02, /* mov.l @r0,r0 */
1841 0x40, 0x2b, /* jmp @r0 */
1842 0x60, 0xf6, /* mov.l @r15+,r0 */
1843 0x00, 0x09, /* nop */
1844 0x00, 0x09, /* nop */
1845 0x00, 0x09, /* nop */
1846 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1847 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1850 static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
1852 0x05, 0xd0, /* mov.l 2f,r0 */
1853 0x02, 0x60, /* mov.l @r0,r0 */
1854 0x06, 0x2f, /* mov.l r0,@-r15 */
1855 0x03, 0xd0, /* mov.l 1f,r0 */
1856 0x02, 0x60, /* mov.l @r0,r0 */
1857 0x2b, 0x40, /* jmp @r0 */
1858 0xf6, 0x60, /* mov.l @r15+,r0 */
1859 0x09, 0x00, /* nop */
1860 0x09, 0x00, /* nop */
1861 0x09, 0x00, /* nop */
1862 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1863 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1866 /* Sebsequent entries in an absolute procedure linkage table look like
1869 static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1871 0xd0, 0x04, /* mov.l 1f,r0 */
1872 0x60, 0x02, /* mov.l @(r0,r12),r0 */
1873 0xd1, 0x02, /* mov.l 0f,r1 */
1874 0x40, 0x2b, /* jmp @r0 */
1875 0x60, 0x13, /* mov r1,r0 */
1876 0xd1, 0x03, /* mov.l 2f,r1 */
1877 0x40, 0x2b, /* jmp @r0 */
1878 0x00, 0x09, /* nop */
1879 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1880 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1881 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1884 static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1886 0x04, 0xd0, /* mov.l 1f,r0 */
1887 0x02, 0x60, /* mov.l @r0,r0 */
1888 0x02, 0xd1, /* mov.l 0f,r1 */
1889 0x2b, 0x40, /* jmp @r0 */
1890 0x13, 0x60, /* mov r1,r0 */
1891 0x03, 0xd1, /* mov.l 2f,r1 */
1892 0x2b, 0x40, /* jmp @r0 */
1893 0x09, 0x00, /* nop */
1894 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1895 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1896 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1899 /* Entries in a PIC procedure linkage table look like this. */
1901 static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1903 0xd0, 0x04, /* mov.l 1f,r0 */
1904 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1905 0x40, 0x2b, /* jmp @r0 */
1906 0x00, 0x09, /* nop */
1907 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1908 0xd1, 0x03, /* mov.l 2f,r1 */
1909 0x40, 0x2b, /* jmp @r0 */
1910 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1911 0x00, 0x09, /* nop */
1912 0x00, 0x09, /* nop */
1913 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1914 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1917 static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1919 0x04, 0xd0, /* mov.l 1f,r0 */
1920 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1921 0x2b, 0x40, /* jmp @r0 */
1922 0x09, 0x00, /* nop */
1923 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1924 0x03, 0xd1, /* mov.l 2f,r1 */
1925 0x2b, 0x40, /* jmp @r0 */
1926 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1927 0x09, 0x00, /* nop */
1928 0x09, 0x00, /* nop */
1929 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1930 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1933 static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1936 /* Big-endian non-PIC. */
1937 elf_sh_plt0_entry_be,
1939 { MINUS_ONE, 24, 20 },
1940 elf_sh_plt_entry_be,
1942 { 20, 16, 24, FALSE },
1947 /* Little-endian non-PIC. */
1948 elf_sh_plt0_entry_le,
1950 { MINUS_ONE, 24, 20 },
1951 elf_sh_plt_entry_le,
1953 { 20, 16, 24, FALSE },
1960 /* Big-endian PIC. */
1961 elf_sh_plt0_entry_be,
1963 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1964 elf_sh_pic_plt_entry_be,
1966 { 20, MINUS_ONE, 24, FALSE },
1971 /* Little-endian PIC. */
1972 elf_sh_plt0_entry_le,
1974 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1975 elf_sh_pic_plt_entry_le,
1977 { 20, MINUS_ONE, 24, FALSE },
1984 #define VXWORKS_PLT_HEADER_SIZE 12
1985 #define VXWORKS_PLT_ENTRY_SIZE 24
1987 static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1989 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1990 0x61, 0x12, /* mov.l @r1,r1 */
1991 0x41, 0x2b, /* jmp @r1 */
1992 0x00, 0x09, /* nop */
1993 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1996 static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1998 0x01, 0xd1, /* mov.l @(8,pc),r1 */
1999 0x12, 0x61, /* mov.l @r1,r1 */
2000 0x2b, 0x41, /* jmp @r1 */
2001 0x09, 0x00, /* nop */
2002 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
2005 static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2007 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2008 0x60, 0x02, /* mov.l @r0,r0 */
2009 0x40, 0x2b, /* jmp @r0 */
2010 0x00, 0x09, /* nop */
2011 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2012 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2013 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
2014 0x00, 0x09, /* nop */
2015 0x00, 0x09, /* nop */
2016 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2019 static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2021 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2022 0x02, 0x60, /* mov.l @r0,r0 */
2023 0x2b, 0x40, /* jmp @r0 */
2024 0x09, 0x00, /* nop */
2025 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
2026 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2027 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
2028 0x09, 0x00, /* nop */
2029 0x09, 0x00, /* nop */
2030 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2033 static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
2035 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2036 0x00, 0xce, /* mov.l @(r0,r12),r0 */
2037 0x40, 0x2b, /* jmp @r0 */
2038 0x00, 0x09, /* nop */
2039 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2040 0xd0, 0x01, /* mov.l @(8,pc),r0 */
2041 0x51, 0xc2, /* mov.l @(8,r12),r1 */
2042 0x41, 0x2b, /* jmp @r1 */
2043 0x00, 0x09, /* nop */
2044 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2047 static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
2049 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2050 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2051 0x2b, 0x40, /* jmp @r0 */
2052 0x09, 0x00, /* nop */
2053 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2054 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2055 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2056 0x2b, 0x41, /* jmp @r1 */
2057 0x09, 0x00, /* nop */
2058 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2061 static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2064 /* Big-endian non-PIC. */
2065 vxworks_sh_plt0_entry_be,
2066 VXWORKS_PLT_HEADER_SIZE,
2067 { MINUS_ONE, MINUS_ONE, 8 },
2068 vxworks_sh_plt_entry_be,
2069 VXWORKS_PLT_ENTRY_SIZE,
2070 { 8, 14, 20, FALSE },
2075 /* Little-endian non-PIC. */
2076 vxworks_sh_plt0_entry_le,
2077 VXWORKS_PLT_HEADER_SIZE,
2078 { MINUS_ONE, MINUS_ONE, 8 },
2079 vxworks_sh_plt_entry_le,
2080 VXWORKS_PLT_ENTRY_SIZE,
2081 { 8, 14, 20, FALSE },
2088 /* Big-endian PIC. */
2091 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2092 vxworks_sh_pic_plt_entry_be,
2093 VXWORKS_PLT_ENTRY_SIZE,
2094 { 8, MINUS_ONE, 20, FALSE },
2099 /* Little-endian PIC. */
2102 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2103 vxworks_sh_pic_plt_entry_le,
2104 VXWORKS_PLT_ENTRY_SIZE,
2105 { 8, MINUS_ONE, 20, FALSE },
2112 /* FDPIC PLT entries. Two unimplemented optimizations for lazy
2113 binding are to omit the lazy binding stub when linking with -z now
2114 and to move lazy binding stubs into a separate region for better
2117 #define FDPIC_PLT_ENTRY_SIZE 28
2118 #define FDPIC_PLT_LAZY_OFFSET 20
2120 /* FIXME: The lazy binding stub requires a plt0 - which may need to be
2121 duplicated if it is out of range, or which can be inlined. So
2122 right now it is always inlined, which wastes a word per stub. It
2123 might be easier to handle the duplication if we put the lazy
2124 stubs separately. */
2126 static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
2128 0xd0, 0x02, /* mov.l @(12,pc),r0 */
2129 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2130 0x70, 0x04, /* add #4, r0 */
2131 0x41, 0x2b, /* jmp @r1 */
2132 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2133 0x00, 0x09, /* nop */
2134 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2135 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2136 0x60, 0xc2, /* mov.l @r12,r0 */
2137 0x40, 0x2b, /* jmp @r0 */
2138 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2139 0x00, 0x09, /* nop */
2142 static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
2144 0x02, 0xd0, /* mov.l @(12,pc),r0 */
2145 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2146 0x04, 0x70, /* add #4, r0 */
2147 0x2b, 0x41, /* jmp @r1 */
2148 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2149 0x09, 0x00, /* nop */
2150 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
2151 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2152 0xc2, 0x60, /* mov.l @r12,r0 */
2153 0x2b, 0x40, /* jmp @r0 */
2154 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2155 0x09, 0x00, /* nop */
2158 static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
2160 /* Big-endian PIC. */
2163 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2164 fdpic_sh_plt_entry_be,
2165 FDPIC_PLT_ENTRY_SIZE,
2166 { 12, MINUS_ONE, 16, FALSE },
2167 FDPIC_PLT_LAZY_OFFSET,
2171 /* Little-endian PIC. */
2174 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2175 fdpic_sh_plt_entry_le,
2176 FDPIC_PLT_ENTRY_SIZE,
2177 { 12, MINUS_ONE, 16, FALSE },
2178 FDPIC_PLT_LAZY_OFFSET,
2183 /* On SH2A, we can use the movi20 instruction to generate shorter PLT
2184 entries for the first 64K slots. We use the normal FDPIC PLT entry
2185 past that point; we could also use movi20s, which might be faster,
2186 but would not be any smaller. */
2188 #define FDPIC_SH2A_PLT_ENTRY_SIZE 24
2189 #define FDPIC_SH2A_PLT_LAZY_OFFSET 16
2191 static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2193 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2194 0x01, 0xce, /* mov.l @(r0,r12),r1 */
2195 0x70, 0x04, /* add #4, r0 */
2196 0x41, 0x2b, /* jmp @r1 */
2197 0x0c, 0xce, /* mov.l @(r0,r12),r12 */
2198 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2199 0x60, 0xc2, /* mov.l @r12,r0 */
2200 0x40, 0x2b, /* jmp @r0 */
2201 0x53, 0xc1, /* mov.l @(4,r12),r3 */
2202 0x00, 0x09, /* nop */
2205 static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
2207 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
2208 0xce, 0x01, /* mov.l @(r0,r12),r1 */
2209 0x04, 0x70, /* add #4, r0 */
2210 0x2b, 0x41, /* jmp @r1 */
2211 0xce, 0x0c, /* mov.l @(r0,r12),r12 */
2212 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2213 0xc2, 0x60, /* mov.l @r12,r0 */
2214 0x2b, 0x40, /* jmp @r0 */
2215 0xc1, 0x53, /* mov.l @(4,r12),r3 */
2216 0x09, 0x00, /* nop */
2219 static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
2220 /* Big-endian FDPIC, max index 64K. */
2223 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2224 fdpic_sh2a_plt_entry_be,
2225 FDPIC_SH2A_PLT_ENTRY_SIZE,
2226 { 0, MINUS_ONE, 12, TRUE },
2227 FDPIC_SH2A_PLT_LAZY_OFFSET,
2231 static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
2232 /* Little-endian FDPIC, max index 64K. */
2235 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2236 fdpic_sh2a_plt_entry_le,
2237 FDPIC_SH2A_PLT_ENTRY_SIZE,
2238 { 0, MINUS_ONE, 12, TRUE },
2239 FDPIC_SH2A_PLT_LAZY_OFFSET,
2243 static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
2245 /* Big-endian PIC. */
2248 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2249 fdpic_sh_plt_entry_be,
2250 FDPIC_PLT_ENTRY_SIZE,
2251 { 12, MINUS_ONE, 16, FALSE },
2252 FDPIC_PLT_LAZY_OFFSET,
2253 &fdpic_sh2a_short_plt_be
2256 /* Little-endian PIC. */
2259 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2260 fdpic_sh_plt_entry_le,
2261 FDPIC_PLT_ENTRY_SIZE,
2262 { 12, MINUS_ONE, 16, FALSE },
2263 FDPIC_PLT_LAZY_OFFSET,
2264 &fdpic_sh2a_short_plt_le
2268 /* Return the type of PLT associated with ABFD. PIC_P is true if
2269 the object is position-independent. */
2271 static const struct elf_sh_plt_info *
2272 get_plt_info (bfd *abfd, bfd_boolean pic_p)
2274 if (fdpic_object_p (abfd))
2276 /* If any input file requires SH2A we can use a shorter PLT
2278 if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
2279 return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
2281 return &fdpic_sh_plts[!bfd_big_endian (abfd)];
2283 if (vxworks_object_p (abfd))
2284 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2285 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2288 /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2289 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2293 install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2294 unsigned long value, bfd_byte *addr)
2296 bfd_put_32 (output_bfd, value, addr);
2300 /* The number of PLT entries which can use a shorter PLT, if any.
2301 Currently always 64K, since only SH-2A FDPIC uses this; a
2302 20-bit movi20 can address that many function descriptors below
2303 _GLOBAL_OFFSET_TABLE_. */
2304 #define MAX_SHORT_PLT 65536
2306 /* Return the index of the PLT entry at byte offset OFFSET. */
2309 get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2311 bfd_vma plt_index = 0;
2313 offset -= info->plt0_entry_size;
2314 if (info->short_plt != NULL)
2316 if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
2318 plt_index = MAX_SHORT_PLT;
2319 offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2322 info = info->short_plt;
2324 return plt_index + offset / info->symbol_entry_size;
2327 /* Do the inverse operation. */
2330 get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
2334 if (info->short_plt != NULL)
2336 if (plt_index > MAX_SHORT_PLT)
2338 offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
2339 plt_index -= MAX_SHORT_PLT;
2342 info = info->short_plt;
2344 return (offset + info->plt0_entry_size
2345 + (plt_index * info->symbol_entry_size));
2348 /* The sh linker needs to keep track of the number of relocs that it
2349 decides to copy as dynamic relocs in check_relocs for each symbol.
2350 This is so that it can later discard them if they are found to be
2351 unnecessary. We store the information in a field extending the
2352 regular ELF linker hash table. */
2354 struct elf_sh_dyn_relocs
2356 struct elf_sh_dyn_relocs *next;
2358 /* The input section of the reloc. */
2361 /* Total number of relocs copied for the input section. */
2362 bfd_size_type count;
2364 /* Number of pc-relative relocs copied for the input section. */
2365 bfd_size_type pc_count;
2370 bfd_signed_vma refcount;
2374 /* sh ELF linker hash entry. */
2376 struct elf_sh_link_hash_entry
2378 struct elf_link_hash_entry root;
2380 #ifdef INCLUDE_SHMEDIA
2383 bfd_signed_vma refcount;
2388 /* Track dynamic relocs copied for this symbol. */
2389 struct elf_sh_dyn_relocs *dyn_relocs;
2391 bfd_signed_vma gotplt_refcount;
2393 /* A local function descriptor, for FDPIC. The refcount counts
2394 R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
2395 relocations; the PLT and GOT entry are accounted
2396 for separately. After adjust_dynamic_symbol, the offset is
2397 MINUS_ONE if there is no local descriptor (dynamic linker
2398 managed and no PLT entry, or undefined weak non-dynamic).
2399 During check_relocs we do not yet know whether the local
2400 descriptor will be canonical. */
2401 union gotref funcdesc;
2403 /* How many of the above refcounted relocations were R_SH_FUNCDESC,
2404 and thus require fixups or relocations. */
2405 bfd_signed_vma abs_funcdesc_refcount;
2408 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
2412 #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2414 struct sh_elf_obj_tdata
2416 struct elf_obj_tdata root;
2418 /* got_type for each local got entry. */
2419 char *local_got_type;
2421 /* Function descriptor refcount and offset for each local symbol. */
2422 union gotref *local_funcdesc;
2425 #define sh_elf_tdata(abfd) \
2426 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2428 #define sh_elf_local_got_type(abfd) \
2429 (sh_elf_tdata (abfd)->local_got_type)
2431 #define sh_elf_local_funcdesc(abfd) \
2432 (sh_elf_tdata (abfd)->local_funcdesc)
2434 #define is_sh_elf(bfd) \
2435 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2436 && elf_tdata (bfd) != NULL \
2437 && elf_object_id (bfd) == SH_ELF_DATA)
2439 /* Override the generic function because we need to store sh_elf_obj_tdata
2440 as the specific tdata. */
2443 sh_elf_mkobject (bfd *abfd)
2445 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
2449 /* sh ELF linker hash table. */
2451 struct elf_sh_link_hash_table
2453 struct elf_link_hash_table root;
2455 /* Short-cuts to get to dynamic linker sections. */
2463 asection *sfuncdesc;
2464 asection *srelfuncdesc;
2467 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2470 /* Small local sym cache. */
2471 struct sym_cache sym_cache;
2473 /* A counter or offset to track a TLS got entry. */
2476 bfd_signed_vma refcount;
2480 /* The type of PLT to use. */
2481 const struct elf_sh_plt_info *plt_info;
2483 /* True if the target system is VxWorks. */
2484 bfd_boolean vxworks_p;
2486 /* True if the target system uses FDPIC. */
2487 bfd_boolean fdpic_p;
2490 /* Traverse an sh ELF linker hash table. */
2492 #define sh_elf_link_hash_traverse(table, func, info) \
2493 (elf_link_hash_traverse \
2495 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
2498 /* Get the sh ELF linker hash table from a link_info structure. */
2500 #define sh_elf_hash_table(p) \
2501 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
2502 == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
2504 /* Create an entry in an sh ELF linker hash table. */
2506 static struct bfd_hash_entry *
2507 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2508 struct bfd_hash_table *table,
2511 struct elf_sh_link_hash_entry *ret =
2512 (struct elf_sh_link_hash_entry *) entry;
2514 /* Allocate the structure if it has not already been allocated by a
2516 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2517 ret = ((struct elf_sh_link_hash_entry *)
2518 bfd_hash_allocate (table,
2519 sizeof (struct elf_sh_link_hash_entry)));
2520 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2521 return (struct bfd_hash_entry *) ret;
2523 /* Call the allocation method of the superclass. */
2524 ret = ((struct elf_sh_link_hash_entry *)
2525 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2527 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2529 ret->dyn_relocs = NULL;
2530 ret->gotplt_refcount = 0;
2531 #ifdef INCLUDE_SHMEDIA
2532 ret->datalabel_got.refcount = ret->root.got.refcount;
2534 ret->funcdesc.refcount = 0;
2535 ret->abs_funcdesc_refcount = 0;
2536 ret->got_type = GOT_UNKNOWN;
2539 return (struct bfd_hash_entry *) ret;
2542 /* Create an sh ELF linker hash table. */
2544 static struct bfd_link_hash_table *
2545 sh_elf_link_hash_table_create (bfd *abfd)
2547 struct elf_sh_link_hash_table *ret;
2548 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
2550 ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt);
2551 if (ret == (struct elf_sh_link_hash_table *) NULL)
2554 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2555 sh_elf_link_hash_newfunc,
2556 sizeof (struct elf_sh_link_hash_entry),
2563 ret->vxworks_p = vxworks_object_p (abfd);
2564 ret->fdpic_p = fdpic_object_p (abfd);
2566 return &ret->root.root;
2570 sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2571 struct bfd_link_info *info, asection *p)
2573 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
2575 /* Non-FDPIC binaries do not need dynamic symbols for sections. */
2579 /* We need dynamic symbols for every section, since segments can
2580 relocate independently. */
2581 switch (elf_section_data (p)->this_hdr.sh_type)
2585 /* If sh_type is yet undecided, assume it could be
2586 SHT_PROGBITS/SHT_NOBITS. */
2590 /* There shouldn't be section relative relocations
2591 against any other section. */
2597 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2598 shortcuts to them in our hash table. */
2601 create_got_section (bfd *dynobj, struct bfd_link_info *info)
2603 struct elf_sh_link_hash_table *htab;
2605 if (! _bfd_elf_create_got_section (dynobj, info))
2608 htab = sh_elf_hash_table (info);
2612 htab->sgot = bfd_get_linker_section (dynobj, ".got");
2613 htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
2614 htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got");
2615 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
2618 htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
2619 (SEC_ALLOC | SEC_LOAD
2622 | SEC_LINKER_CREATED));
2623 if (htab->sfuncdesc == NULL
2624 || ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2))
2627 htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
2628 ".rela.got.funcdesc",
2629 (SEC_ALLOC | SEC_LOAD
2632 | SEC_LINKER_CREATED
2634 if (htab->srelfuncdesc == NULL
2635 || ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2))
2638 /* Also create .rofixup. */
2639 htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
2640 (SEC_ALLOC | SEC_LOAD
2643 | SEC_LINKER_CREATED
2645 if (htab->srofixup == NULL
2646 || ! bfd_set_section_alignment (dynobj, htab->srofixup, 2))
2652 /* Create dynamic sections when linking against a dynamic object. */
2655 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
2657 struct elf_sh_link_hash_table *htab;
2658 flagword flags, pltflags;
2660 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
2663 switch (bed->s->arch_size)
2674 bfd_set_error (bfd_error_bad_value);
2678 htab = sh_elf_hash_table (info);
2682 if (htab->root.dynamic_sections_created)
2685 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2686 .rel[a].bss sections. */
2688 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2689 | SEC_LINKER_CREATED);
2692 pltflags |= SEC_CODE;
2693 if (bed->plt_not_loaded)
2694 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2695 if (bed->plt_readonly)
2696 pltflags |= SEC_READONLY;
2698 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
2701 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2704 if (bed->want_plt_sym)
2706 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2708 struct elf_link_hash_entry *h;
2709 struct bfd_link_hash_entry *bh = NULL;
2711 if (! (_bfd_generic_link_add_one_symbol
2712 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
2713 (bfd_vma) 0, (const char *) NULL, FALSE,
2714 get_elf_backend_data (abfd)->collect, &bh)))
2717 h = (struct elf_link_hash_entry *) bh;
2719 h->type = STT_OBJECT;
2720 htab->root.hplt = h;
2723 && ! bfd_elf_link_record_dynamic_symbol (info, h))
2727 s = bfd_make_section_anyway_with_flags (abfd,
2728 bed->default_use_rela_p
2729 ? ".rela.plt" : ".rel.plt",
2730 flags | SEC_READONLY);
2733 || ! bfd_set_section_alignment (abfd, s, ptralign))
2736 if (htab->sgot == NULL
2737 && !create_got_section (abfd, info))
2740 if (bed->want_dynbss)
2742 /* The .dynbss section is a place to put symbols which are defined
2743 by dynamic objects, are referenced by regular objects, and are
2744 not functions. We must allocate space for them in the process
2745 image and use a R_*_COPY reloc to tell the dynamic linker to
2746 initialize them at run time. The linker script puts the .dynbss
2747 section into the .bss section of the final image. */
2748 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2749 SEC_ALLOC | SEC_LINKER_CREATED);
2754 /* The .rel[a].bss section holds copy relocs. This section is not
2755 normally needed. We need to create it here, though, so that the
2756 linker will map it to an output section. We can't just create it
2757 only if we need it, because we will not know whether we need it
2758 until we have seen all the input files, and the first time the
2759 main linker code calls BFD after examining all the input files
2760 (size_dynamic_sections) the input sections have already been
2761 mapped to the output sections. If the section turns out not to
2762 be needed, we can discard it later. We will never need this
2763 section when generating a shared object, since they do not use
2767 s = bfd_make_section_anyway_with_flags (abfd,
2768 (bed->default_use_rela_p
2769 ? ".rela.bss" : ".rel.bss"),
2770 flags | SEC_READONLY);
2773 || ! bfd_set_section_alignment (abfd, s, ptralign))
2778 if (htab->vxworks_p)
2780 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2787 /* Adjust a symbol defined by a dynamic object and referenced by a
2788 regular object. The current definition is in some section of the
2789 dynamic object, but we're not including those sections. We have to
2790 change the definition to something the rest of the link can
2794 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2795 struct elf_link_hash_entry *h)
2797 struct elf_sh_link_hash_table *htab;
2798 struct elf_sh_link_hash_entry *eh;
2799 struct elf_sh_dyn_relocs *p;
2802 htab = sh_elf_hash_table (info);
2806 /* Make sure we know what is going on here. */
2807 BFD_ASSERT (htab->root.dynobj != NULL
2809 || h->u.weakdef != NULL
2812 && !h->def_regular)));
2814 /* If this is a function, put it in the procedure linkage table. We
2815 will fill in the contents of the procedure linkage table later,
2816 when we know the address of the .got section. */
2817 if (h->type == STT_FUNC
2820 if (h->plt.refcount <= 0
2821 || SYMBOL_CALLS_LOCAL (info, h)
2822 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2823 && h->root.type == bfd_link_hash_undefweak))
2825 /* This case can occur if we saw a PLT reloc in an input
2826 file, but the symbol was never referred to by a dynamic
2827 object. In such a case, we don't actually need to build
2828 a procedure linkage table, and we can just do a REL32
2830 h->plt.offset = (bfd_vma) -1;
2837 h->plt.offset = (bfd_vma) -1;
2839 /* If this is a weak symbol, and there is a real definition, the
2840 processor independent code will have arranged for us to see the
2841 real definition first, and we can just use the same value. */
2842 if (h->u.weakdef != NULL)
2844 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2845 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2846 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2847 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2848 if (info->nocopyreloc)
2849 h->non_got_ref = h->u.weakdef->non_got_ref;
2853 /* This is a reference to a symbol defined by a dynamic object which
2854 is not a function. */
2856 /* If we are creating a shared library, we must presume that the
2857 only references to the symbol are via the global offset table.
2858 For such cases we need not do anything here; the relocations will
2859 be handled correctly by relocate_section. */
2863 /* If there are no references to this symbol that do not use the
2864 GOT, we don't need to generate a copy reloc. */
2865 if (!h->non_got_ref)
2868 /* If -z nocopyreloc was given, we won't generate them either. */
2869 if (info->nocopyreloc)
2875 eh = (struct elf_sh_link_hash_entry *) h;
2876 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2878 s = p->sec->output_section;
2879 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2883 /* If we didn't find any dynamic relocs in sections which needs the
2884 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2892 /* We must allocate the symbol in our .dynbss section, which will
2893 become part of the .bss section of the executable. There will be
2894 an entry for this symbol in the .dynsym section. The dynamic
2895 object will contain position independent code, so all references
2896 from the dynamic object to this symbol will go through the global
2897 offset table. The dynamic linker will use the .dynsym entry to
2898 determine the address it must put in the global offset table, so
2899 both the dynamic object and the regular object will refer to the
2900 same memory location for the variable. */
2903 BFD_ASSERT (s != NULL);
2905 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2906 copy the initial value out of the dynamic object and into the
2907 runtime process image. We need to remember the offset into the
2908 .rela.bss section we are going to use. */
2909 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2913 srel = htab->srelbss;
2914 BFD_ASSERT (srel != NULL);
2915 srel->size += sizeof (Elf32_External_Rela);
2919 return _bfd_elf_adjust_dynamic_copy (h, s);
2922 /* Allocate space in .plt, .got and associated reloc sections for
2926 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2928 struct bfd_link_info *info;
2929 struct elf_sh_link_hash_table *htab;
2930 struct elf_sh_link_hash_entry *eh;
2931 struct elf_sh_dyn_relocs *p;
2933 if (h->root.type == bfd_link_hash_indirect)
2936 info = (struct bfd_link_info *) inf;
2937 htab = sh_elf_hash_table (info);
2941 eh = (struct elf_sh_link_hash_entry *) h;
2942 if ((h->got.refcount > 0
2944 && eh->gotplt_refcount > 0)
2946 /* The symbol has been forced local, or we have some direct got refs,
2947 so treat all the gotplt refs as got refs. */
2948 h->got.refcount += eh->gotplt_refcount;
2949 if (h->plt.refcount >= eh->gotplt_refcount)
2950 h->plt.refcount -= eh->gotplt_refcount;
2953 if (htab->root.dynamic_sections_created
2954 && h->plt.refcount > 0
2955 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2956 || h->root.type != bfd_link_hash_undefweak))
2958 /* Make sure this symbol is output as a dynamic symbol.
2959 Undefined weak syms won't yet be marked as dynamic. */
2960 if (h->dynindx == -1
2961 && !h->forced_local)
2963 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2968 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
2970 asection *s = htab->splt;
2971 const struct elf_sh_plt_info *plt_info;
2973 /* If this is the first .plt entry, make room for the special
2976 s->size += htab->plt_info->plt0_entry_size;
2978 h->plt.offset = s->size;
2980 /* If this symbol is not defined in a regular file, and we are
2981 not generating a shared library, then set the symbol to this
2982 location in the .plt. This is required to make function
2983 pointers compare as equal between the normal executable and
2984 the shared library. Skip this for FDPIC, since the
2985 function's address will be the address of the canonical
2986 function descriptor. */
2987 if (!htab->fdpic_p && !info->shared && !h->def_regular)
2989 h->root.u.def.section = s;
2990 h->root.u.def.value = h->plt.offset;
2993 /* Make room for this entry. */
2994 plt_info = htab->plt_info;
2995 if (plt_info->short_plt != NULL
2996 && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
2997 plt_info = plt_info->short_plt;
2998 s->size += plt_info->symbol_entry_size;
3000 /* We also need to make an entry in the .got.plt section, which
3001 will be placed in the .got section by the linker script. */
3003 htab->sgotplt->size += 4;
3005 htab->sgotplt->size += 8;
3007 /* We also need to make an entry in the .rel.plt section. */
3008 htab->srelplt->size += sizeof (Elf32_External_Rela);
3010 if (htab->vxworks_p && !info->shared)
3012 /* VxWorks executables have a second set of relocations
3013 for each PLT entry. They go in a separate relocation
3014 section, which is processed by the kernel loader. */
3016 /* There is a relocation for the initial PLT entry:
3017 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
3018 if (h->plt.offset == htab->plt_info->plt0_entry_size)
3019 htab->srelplt2->size += sizeof (Elf32_External_Rela);
3021 /* There are two extra relocations for each subsequent
3022 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
3023 and an R_SH_DIR32 relocation for the PLT entry. */
3024 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
3029 h->plt.offset = (bfd_vma) -1;
3035 h->plt.offset = (bfd_vma) -1;
3039 if (h->got.refcount > 0)
3043 enum got_type got_type = sh_elf_hash_entry (h)->got_type;
3045 /* Make sure this symbol is output as a dynamic symbol.
3046 Undefined weak syms won't yet be marked as dynamic. */
3047 if (h->dynindx == -1
3048 && !h->forced_local)
3050 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3055 h->got.offset = s->size;
3057 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
3058 if (got_type == GOT_TLS_GD)
3060 dyn = htab->root.dynamic_sections_created;
3063 /* No dynamic relocations required. */
3064 if (htab->fdpic_p && !info->shared
3065 && h->root.type != bfd_link_hash_undefweak
3066 && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
3067 htab->srofixup->size += 4;
3069 /* No dynamic relocations required when IE->LE conversion happens. */
3070 else if (got_type == GOT_TLS_IE && !h->def_dynamic && !info->shared)
3072 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
3073 R_SH_TLS_GD needs one if local symbol and two if global. */
3074 else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
3075 || got_type == GOT_TLS_IE)
3076 htab->srelgot->size += sizeof (Elf32_External_Rela);
3077 else if (got_type == GOT_TLS_GD)
3078 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
3079 else if (got_type == GOT_FUNCDESC)
3081 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3082 htab->srofixup->size += 4;
3084 htab->srelgot->size += sizeof (Elf32_External_Rela);
3086 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3087 || h->root.type != bfd_link_hash_undefweak)
3089 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
3090 htab->srelgot->size += sizeof (Elf32_External_Rela);
3091 else if (htab->fdpic_p && !info->shared && got_type == GOT_NORMAL
3092 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3093 || h->root.type != bfd_link_hash_undefweak))
3094 htab->srofixup->size += 4;
3097 h->got.offset = (bfd_vma) -1;
3099 #ifdef INCLUDE_SHMEDIA
3100 if (eh->datalabel_got.refcount > 0)
3105 /* Make sure this symbol is output as a dynamic symbol.
3106 Undefined weak syms won't yet be marked as dynamic. */
3107 if (h->dynindx == -1
3108 && !h->forced_local)
3110 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3115 eh->datalabel_got.offset = s->size;
3117 dyn = htab->root.dynamic_sections_created;
3118 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
3119 htab->srelgot->size += sizeof (Elf32_External_Rela);
3122 eh->datalabel_got.offset = (bfd_vma) -1;
3125 /* Allocate space for any dynamic relocations to function
3126 descriptors, canonical or otherwise. We need to relocate the
3127 reference unless it resolves to zero, which only happens for
3128 undefined weak symbols (either non-default visibility, or when
3129 static linking). Any GOT slot is accounted for elsewhere. */
3130 if (eh->abs_funcdesc_refcount > 0
3131 && (h->root.type != bfd_link_hash_undefweak
3132 || (htab->root.dynamic_sections_created
3133 && ! SYMBOL_CALLS_LOCAL (info, h))))
3135 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
3136 htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
3139 += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
3142 /* We must allocate a function descriptor if there are references to
3143 a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
3144 the dynamic linker isn't going to allocate it. None of this
3145 applies if we already created one in .got.plt, but if the
3146 canonical function descriptor can be in this object, there
3147 won't be a PLT entry at all. */
3148 if ((eh->funcdesc.refcount > 0
3149 || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
3150 && h->root.type != bfd_link_hash_undefweak
3151 && SYMBOL_FUNCDESC_LOCAL (info, h))
3153 /* Make room for this function descriptor. */
3154 eh->funcdesc.offset = htab->sfuncdesc->size;
3155 htab->sfuncdesc->size += 8;
3157 /* We will need a relocation or two fixups to initialize the
3158 function descriptor, so allocate those too. */
3159 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3160 htab->srofixup->size += 8;
3162 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3165 if (eh->dyn_relocs == NULL)
3168 /* In the shared -Bsymbolic case, discard space allocated for
3169 dynamic pc-relative relocs against symbols which turn out to be
3170 defined in regular objects. For the normal shared case, discard
3171 space for pc-relative relocs that have become local due to symbol
3172 visibility changes. */
3176 if (SYMBOL_CALLS_LOCAL (info, h))
3178 struct elf_sh_dyn_relocs **pp;
3180 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3182 p->count -= p->pc_count;
3191 if (htab->vxworks_p)
3193 struct elf_sh_dyn_relocs **pp;
3195 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3197 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
3204 /* Also discard relocs on undefined weak syms with non-default
3206 if (eh->dyn_relocs != NULL
3207 && h->root.type == bfd_link_hash_undefweak)
3209 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3210 eh->dyn_relocs = NULL;
3212 /* Make sure undefined weak symbols are output as a dynamic
3214 else if (h->dynindx == -1
3215 && !h->forced_local)
3217 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3224 /* For the non-shared case, discard space for relocs against
3225 symbols which turn out to need copy relocs or are not
3231 || (htab->root.dynamic_sections_created
3232 && (h->root.type == bfd_link_hash_undefweak
3233 || h->root.type == bfd_link_hash_undefined))))
3235 /* Make sure this symbol is output as a dynamic symbol.
3236 Undefined weak syms won't yet be marked as dynamic. */
3237 if (h->dynindx == -1
3238 && !h->forced_local)
3240 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3244 /* If that succeeded, we know we'll be keeping all the
3246 if (h->dynindx != -1)
3250 eh->dyn_relocs = NULL;
3255 /* Finally, allocate space. */
3256 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3258 asection *sreloc = elf_section_data (p->sec)->sreloc;
3259 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3261 /* If we need relocations, we do not need fixups. */
3262 if (htab->fdpic_p && !info->shared)
3263 htab->srofixup->size -= 4 * (p->count - p->pc_count);
3269 /* Find any dynamic relocs that apply to read-only sections. */
3272 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3274 struct elf_sh_link_hash_entry *eh;
3275 struct elf_sh_dyn_relocs *p;
3277 eh = (struct elf_sh_link_hash_entry *) h;
3278 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3280 asection *s = p->sec->output_section;
3282 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3284 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3286 info->flags |= DF_TEXTREL;
3288 /* Not an error, just cut short the traversal. */
3295 /* This function is called after all the input files have been read,
3296 and the input sections have been assigned to output sections.
3297 It's a convenient place to determine the PLT style. */
3300 sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3302 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
3304 if (sh_elf_hash_table (info)->fdpic_p && !info->relocatable
3305 && !bfd_elf_stack_segment_size (output_bfd, info,
3306 "__stacksize", DEFAULT_STACK_SIZE))
3311 /* Set the sizes of the dynamic sections. */
3314 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3315 struct bfd_link_info *info)
3317 struct elf_sh_link_hash_table *htab;
3323 htab = sh_elf_hash_table (info);
3327 dynobj = htab->root.dynobj;
3328 BFD_ASSERT (dynobj != NULL);
3330 if (htab->root.dynamic_sections_created)
3332 /* Set the contents of the .interp section to the interpreter. */
3333 if (info->executable)
3335 s = bfd_get_linker_section (dynobj, ".interp");
3336 BFD_ASSERT (s != NULL);
3337 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3338 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3342 /* Set up .got offsets for local syms, and space for local dynamic
3344 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
3346 bfd_signed_vma *local_got;
3347 bfd_signed_vma *end_local_got;
3348 union gotref *local_funcdesc, *end_local_funcdesc;
3349 char *local_got_type;
3350 bfd_size_type locsymcount;
3351 Elf_Internal_Shdr *symtab_hdr;
3354 if (! is_sh_elf (ibfd))
3357 for (s = ibfd->sections; s != NULL; s = s->next)
3359 struct elf_sh_dyn_relocs *p;
3361 for (p = ((struct elf_sh_dyn_relocs *)
3362 elf_section_data (s)->local_dynrel);
3366 if (! bfd_is_abs_section (p->sec)
3367 && bfd_is_abs_section (p->sec->output_section))
3369 /* Input section has been discarded, either because
3370 it is a copy of a linkonce section or due to
3371 linker script /DISCARD/, so we'll be discarding
3374 else if (htab->vxworks_p
3375 && strcmp (p->sec->output_section->name,
3378 /* Relocations in vxworks .tls_vars sections are
3379 handled specially by the loader. */
3381 else if (p->count != 0)
3383 srel = elf_section_data (p->sec)->sreloc;
3384 srel->size += p->count * sizeof (Elf32_External_Rela);
3385 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3386 info->flags |= DF_TEXTREL;
3388 /* If we need relocations, we do not need fixups. */
3389 if (htab->fdpic_p && !info->shared)
3390 htab->srofixup->size -= 4 * (p->count - p->pc_count);
3395 symtab_hdr = &elf_symtab_hdr (ibfd);
3396 locsymcount = symtab_hdr->sh_info;
3397 #ifdef INCLUDE_SHMEDIA
3398 /* Count datalabel local GOT. */
3402 srel = htab->srelgot;
3404 local_got = elf_local_got_refcounts (ibfd);
3407 end_local_got = local_got + locsymcount;
3408 local_got_type = sh_elf_local_got_type (ibfd);
3409 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3410 for (; local_got < end_local_got; ++local_got)
3414 *local_got = s->size;
3416 if (*local_got_type == GOT_TLS_GD)
3419 srel->size += sizeof (Elf32_External_Rela);
3421 htab->srofixup->size += 4;
3423 if (*local_got_type == GOT_FUNCDESC)
3425 if (local_funcdesc == NULL)
3429 size = locsymcount * sizeof (union gotref);
3430 local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
3432 if (local_funcdesc == NULL)
3434 sh_elf_local_funcdesc (ibfd) = local_funcdesc;
3435 local_funcdesc += (local_got
3436 - elf_local_got_refcounts (ibfd));
3438 local_funcdesc->refcount++;
3443 *local_got = (bfd_vma) -1;
3448 local_funcdesc = sh_elf_local_funcdesc (ibfd);
3451 end_local_funcdesc = local_funcdesc + locsymcount;
3453 for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
3455 if (local_funcdesc->refcount > 0)
3457 local_funcdesc->offset = htab->sfuncdesc->size;
3458 htab->sfuncdesc->size += 8;
3460 htab->srofixup->size += 8;
3462 htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
3465 local_funcdesc->offset = MINUS_ONE;
3471 if (htab->tls_ldm_got.refcount > 0)
3473 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3475 htab->tls_ldm_got.offset = htab->sgot->size;
3476 htab->sgot->size += 8;
3477 htab->srelgot->size += sizeof (Elf32_External_Rela);
3480 htab->tls_ldm_got.offset = -1;
3482 /* Only the reserved entries should be present. For FDPIC, they go at
3483 the end of .got.plt. */
3486 BFD_ASSERT (htab->sgotplt && htab->sgotplt->size == 12);
3487 htab->sgotplt->size = 0;
3490 /* Allocate global sym .plt and .got entries, and space for global
3491 sym dynamic relocs. */
3492 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
3494 /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
3495 end of the FDPIC .got.plt. */
3498 htab->root.hgot->root.u.def.value = htab->sgotplt->size;
3499 htab->sgotplt->size += 12;
3502 /* At the very end of the .rofixup section is a pointer to the GOT. */
3503 if (htab->fdpic_p && htab->srofixup != NULL)
3504 htab->srofixup->size += 4;
3506 /* We now have determined the sizes of the various dynamic sections.
3507 Allocate memory for them. */
3509 for (s = dynobj->sections; s != NULL; s = s->next)
3511 if ((s->flags & SEC_LINKER_CREATED) == 0)
3516 || s == htab->sgotplt
3517 || s == htab->sfuncdesc
3518 || s == htab->srofixup
3519 || s == htab->sdynbss)
3521 /* Strip this section if we don't need it; see the
3524 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3526 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
3529 /* We use the reloc_count field as a counter if we need
3530 to copy relocs into the output file. */
3535 /* It's not one of our sections, so don't allocate space. */
3541 /* If we don't need this section, strip it from the
3542 output file. This is mostly to handle .rela.bss and
3543 .rela.plt. We must create both sections in
3544 create_dynamic_sections, because they must be created
3545 before the linker maps input sections to output
3546 sections. The linker does that before
3547 adjust_dynamic_symbol is called, and it is that
3548 function which decides whether anything needs to go
3549 into these sections. */
3551 s->flags |= SEC_EXCLUDE;
3555 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3558 /* Allocate memory for the section contents. We use bfd_zalloc
3559 here in case unused entries are not reclaimed before the
3560 section's contents are written out. This should not happen,
3561 but this way if it does, we get a R_SH_NONE reloc instead
3563 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
3564 if (s->contents == NULL)
3568 if (htab->root.dynamic_sections_created)
3570 /* Add some entries to the .dynamic section. We fill in the
3571 values later, in sh_elf_finish_dynamic_sections, but we
3572 must add the entries now so that we get the correct size for
3573 the .dynamic section. The DT_DEBUG entry is filled in by the
3574 dynamic linker and used by the debugger. */
3575 #define add_dynamic_entry(TAG, VAL) \
3576 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3578 if (info->executable)
3580 if (! add_dynamic_entry (DT_DEBUG, 0))
3584 if (htab->splt->size != 0)
3586 if (! add_dynamic_entry (DT_PLTGOT, 0)
3587 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3588 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3589 || ! add_dynamic_entry (DT_JMPREL, 0))
3592 else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC)
3593 && htab->sgot->size != 0)
3595 if (! add_dynamic_entry (DT_PLTGOT, 0))
3601 if (! add_dynamic_entry (DT_RELA, 0)
3602 || ! add_dynamic_entry (DT_RELASZ, 0)
3603 || ! add_dynamic_entry (DT_RELAENT,
3604 sizeof (Elf32_External_Rela)))
3607 /* If any dynamic relocs apply to a read-only section,
3608 then we need a DT_TEXTREL entry. */
3609 if ((info->flags & DF_TEXTREL) == 0)
3610 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
3612 if ((info->flags & DF_TEXTREL) != 0)
3614 if (! add_dynamic_entry (DT_TEXTREL, 0))
3619 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3622 #undef add_dynamic_entry
3627 /* Add a dynamic relocation to the SRELOC section. */
3629 inline static bfd_vma
3630 sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
3631 int reloc_type, long dynindx, bfd_vma addend)
3633 Elf_Internal_Rela outrel;
3634 bfd_vma reloc_offset;
3636 outrel.r_offset = offset;
3637 outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
3638 outrel.r_addend = addend;
3640 reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
3641 BFD_ASSERT (reloc_offset < sreloc->size);
3642 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
3643 sreloc->contents + reloc_offset);
3644 sreloc->reloc_count++;
3646 return reloc_offset;
3649 /* Add an FDPIC read-only fixup. */
3652 sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
3654 bfd_vma fixup_offset;
3656 fixup_offset = srofixup->reloc_count++ * 4;
3657 BFD_ASSERT (fixup_offset < srofixup->size);
3658 bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
3661 /* Return the offset of the generated .got section from the
3662 _GLOBAL_OFFSET_TABLE_ symbol. */
3664 static bfd_signed_vma
3665 sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
3667 return (htab->sgot->output_offset - htab->sgotplt->output_offset
3668 - htab->root.hgot->root.u.def.value);
3671 /* Find the segment number in which OSEC, and output section, is
3675 sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
3677 Elf_Internal_Phdr *p = NULL;
3679 if (output_bfd->xvec->flavour == bfd_target_elf_flavour
3680 /* PR ld/17110: Do not look for output segments in an input bfd. */
3681 && output_bfd->direction != read_direction)
3682 p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
3684 /* FIXME: Nothing ever says what this index is relative to. The kernel
3685 supplies data in terms of the number of load segments but this is
3686 a phdr index and the first phdr may not be a load segment. */
3687 return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
3691 sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
3693 unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
3695 return (seg != (unsigned) -1
3696 && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
3699 /* Generate the initial contents of a local function descriptor, along
3700 with any relocations or fixups required. */
3702 sh_elf_initialize_funcdesc (bfd *output_bfd,
3703 struct bfd_link_info *info,
3704 struct elf_link_hash_entry *h,
3709 struct elf_sh_link_hash_table *htab;
3713 htab = sh_elf_hash_table (info);
3715 /* FIXME: The ABI says that the offset to the function goes in the
3716 descriptor, along with the segment index. We're RELA, so it could
3717 go in the reloc instead... */
3719 if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
3721 section = h->root.u.def.section;
3722 value = h->root.u.def.value;
3725 if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
3727 dynindx = elf_section_data (section->output_section)->dynindx;
3728 addr = value + section->output_offset;
3729 seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
3733 BFD_ASSERT (h->dynindx != -1);
3734 dynindx = h->dynindx;
3738 if (!info->shared && SYMBOL_CALLS_LOCAL (info, h))
3740 if (h == NULL || h->root.type != bfd_link_hash_undefweak)
3742 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3744 + htab->sfuncdesc->output_section->vma
3745 + htab->sfuncdesc->output_offset);
3746 sh_elf_add_rofixup (output_bfd, htab->srofixup,
3748 + htab->sfuncdesc->output_section->vma
3749 + htab->sfuncdesc->output_offset);
3752 /* There are no dynamic relocations so fill in the final
3753 address and gp value (barring fixups). */
3754 addr += section->output_section->vma;
3755 seg = htab->root.hgot->root.u.def.value
3756 + htab->root.hgot->root.u.def.section->output_section->vma
3757 + htab->root.hgot->root.u.def.section->output_offset;
3760 sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
3762 + htab->sfuncdesc->output_section->vma
3763 + htab->sfuncdesc->output_offset,
3764 R_SH_FUNCDESC_VALUE, dynindx, 0);
3766 bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
3767 bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
3772 /* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
3773 VALUE is the field's value. Return bfd_reloc_ok if successful or an error
3776 static bfd_reloc_status_type
3777 install_movi20_field (bfd *output_bfd, unsigned long relocation,
3778 bfd *input_bfd, asection *input_section,
3779 bfd_byte *contents, bfd_vma offset)
3781 unsigned long cur_val;
3783 bfd_reloc_status_type r;
3785 if (offset > bfd_get_section_limit (input_bfd, input_section))
3786 return bfd_reloc_outofrange;
3788 r = bfd_check_overflow (complain_overflow_signed, 20, 0,
3789 bfd_arch_bits_per_address (input_bfd), relocation);
3790 if (r != bfd_reloc_ok)
3793 addr = contents + offset;
3794 cur_val = bfd_get_16 (output_bfd, addr);
3795 bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
3796 bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
3798 return bfd_reloc_ok;
3801 /* Relocate an SH ELF section. */
3804 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3805 bfd *input_bfd, asection *input_section,
3806 bfd_byte *contents, Elf_Internal_Rela *relocs,
3807 Elf_Internal_Sym *local_syms,
3808 asection **local_sections)
3810 struct elf_sh_link_hash_table *htab;
3811 Elf_Internal_Shdr *symtab_hdr;
3812 struct elf_link_hash_entry **sym_hashes;
3813 Elf_Internal_Rela *rel, *relend;
3815 bfd_vma *local_got_offsets;
3816 asection *sgot = NULL;
3817 asection *sgotplt = NULL;
3818 asection *splt = NULL;
3819 asection *sreloc = NULL;
3820 asection *srelgot = NULL;
3821 bfd_boolean is_vxworks_tls;
3822 unsigned isec_segment, got_segment, plt_segment, check_segment[2];
3823 bfd_boolean fdpic_p = FALSE;
3825 BFD_ASSERT (is_sh_elf (input_bfd));
3827 htab = sh_elf_hash_table (info);
3830 dynobj = htab->root.dynobj;
3832 sgotplt = htab->sgotplt;
3834 fdpic_p = htab->fdpic_p;
3836 symtab_hdr = &elf_symtab_hdr (input_bfd);
3837 sym_hashes = elf_sym_hashes (input_bfd);
3838 local_got_offsets = elf_local_got_offsets (input_bfd);
3840 isec_segment = sh_elf_osec_to_segment (output_bfd,
3841 input_section->output_section);
3842 if (fdpic_p && sgot)
3843 got_segment = sh_elf_osec_to_segment (output_bfd,
3844 sgot->output_section);
3847 if (fdpic_p && splt)
3848 plt_segment = sh_elf_osec_to_segment (output_bfd,
3849 splt->output_section);
3853 /* We have to handle relocations in vxworks .tls_vars sections
3854 specially, because the dynamic loader is 'weird'. */
3855 is_vxworks_tls = (htab && htab->vxworks_p && info->shared
3856 && !strcmp (input_section->output_section->name,
3860 relend = relocs + input_section->reloc_count;
3861 for (; rel < relend; rel++)
3864 reloc_howto_type *howto;
3865 unsigned long r_symndx;
3866 Elf_Internal_Sym *sym;
3868 struct elf_link_hash_entry *h;
3870 bfd_vma addend = (bfd_vma) 0;
3871 bfd_reloc_status_type r;
3872 int seen_stt_datalabel = 0;
3874 enum got_type got_type;
3875 const char *symname = NULL;
3877 r_symndx = ELF32_R_SYM (rel->r_info);
3879 r_type = ELF32_R_TYPE (rel->r_info);
3881 /* Many of the relocs are only used for relaxing, and are
3882 handled entirely by the relaxation code. */
3883 if (r_type >= (int) R_SH_GNU_VTINHERIT
3884 && r_type <= (int) R_SH_LABEL)
3886 if (r_type == (int) R_SH_NONE)
3890 || r_type >= R_SH_max
3891 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
3892 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
3893 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3894 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
3895 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3896 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3897 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3898 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3899 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3900 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
3901 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
3902 && r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
3904 bfd_set_error (bfd_error_bad_value);
3908 howto = get_howto_table (output_bfd) + r_type;
3910 /* For relocs that aren't partial_inplace, we get the addend from
3912 if (! howto->partial_inplace)
3913 addend = rel->r_addend;
3918 check_segment[0] = -1;
3919 check_segment[1] = -1;
3920 if (r_symndx < symtab_hdr->sh_info)
3922 sym = local_syms + r_symndx;
3923 sec = local_sections[r_symndx];
3925 symname = bfd_elf_string_from_elf_section
3926 (input_bfd, symtab_hdr->sh_link, sym->st_name);
3927 if (symname == NULL || *symname == '\0')
3928 symname = bfd_section_name (input_bfd, sec);
3930 relocation = (sec->output_section->vma
3931 + sec->output_offset
3933 /* A local symbol never has STO_SH5_ISA32, so we don't need
3934 datalabel processing here. Make sure this does not change
3936 if ((sym->st_other & STO_SH5_ISA32) != 0)
3937 ((*info->callbacks->reloc_dangerous)
3939 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3940 input_bfd, input_section, rel->r_offset));
3942 if (sec != NULL && discarded_section (sec))
3943 /* Handled below. */
3945 else if (info->relocatable)
3947 /* This is a relocatable link. We don't have to change
3948 anything, unless the reloc is against a section symbol,
3949 in which case we have to adjust according to where the
3950 section symbol winds up in the output section. */
3951 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3953 if (! howto->partial_inplace)
3955 /* For relocations with the addend in the
3956 relocation, we need just to update the addend.
3957 All real relocs are of type partial_inplace; this
3958 code is mostly for completeness. */
3959 rel->r_addend += sec->output_offset;
3964 /* Relocs of type partial_inplace need to pick up the
3965 contents in the contents and add the offset resulting
3966 from the changed location of the section symbol.
3967 Using _bfd_final_link_relocate (e.g. goto
3968 final_link_relocate) here would be wrong, because
3969 relocations marked pc_relative would get the current
3970 location subtracted, and we must only do that at the
3972 r = _bfd_relocate_contents (howto, input_bfd,
3975 contents + rel->r_offset);
3976 goto relocation_done;
3981 else if (! howto->partial_inplace)
3983 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3984 addend = rel->r_addend;
3986 else if ((sec->flags & SEC_MERGE)
3987 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3991 if (howto->rightshift || howto->src_mask != 0xffffffff)
3993 (*_bfd_error_handler)
3994 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
3995 input_bfd, input_section,
3996 (long) rel->r_offset, howto->name);
4000 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4003 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4005 addend += msec->output_section->vma + msec->output_offset;
4006 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4012 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4015 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4016 symname = h->root.root.string;
4017 while (h->root.type == bfd_link_hash_indirect
4018 || h->root.type == bfd_link_hash_warning)
4020 #ifdef INCLUDE_SHMEDIA
4021 /* If the reference passes a symbol marked with
4022 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4024 seen_stt_datalabel |= h->type == STT_DATALABEL;
4026 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4028 if (h->root.type == bfd_link_hash_defined
4029 || h->root.type == bfd_link_hash_defweak)
4033 dyn = htab ? htab->root.dynamic_sections_created : FALSE;
4034 sec = h->root.u.def.section;
4035 /* In these cases, we don't need the relocation value.
4036 We check specially because in some obscure cases
4037 sec->output_section will be NULL. */
4038 if (r_type == R_SH_GOTPC
4039 || r_type == R_SH_GOTPC_LOW16
4040 || r_type == R_SH_GOTPC_MEDLOW16
4041 || r_type == R_SH_GOTPC_MEDHI16
4042 || r_type == R_SH_GOTPC_HI16
4043 || ((r_type == R_SH_PLT32
4044 || r_type == R_SH_PLT_LOW16
4045 || r_type == R_SH_PLT_MEDLOW16
4046 || r_type == R_SH_PLT_MEDHI16
4047 || r_type == R_SH_PLT_HI16)
4048 && h->plt.offset != (bfd_vma) -1)
4049 || ((r_type == R_SH_GOT32
4050 || r_type == R_SH_GOT20
4051 || r_type == R_SH_GOTFUNCDESC
4052 || r_type == R_SH_GOTFUNCDESC20
4053 || r_type == R_SH_GOTOFFFUNCDESC
4054 || r_type == R_SH_GOTOFFFUNCDESC20
4055 || r_type == R_SH_FUNCDESC
4056 || r_type == R_SH_GOT_LOW16
4057 || r_type == R_SH_GOT_MEDLOW16
4058 || r_type == R_SH_GOT_MEDHI16
4059 || r_type == R_SH_GOT_HI16)
4060 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4062 || (! info->symbolic && h->dynindx != -1)
4063 || !h->def_regular))
4064 /* The cases above are those in which relocation is
4065 overwritten in the switch block below. The cases
4066 below are those in which we must defer relocation
4067 to run-time, because we can't resolve absolute
4068 addresses when creating a shared library. */
4070 && ((! info->symbolic && h->dynindx != -1)
4072 && ((r_type == R_SH_DIR32
4073 && !h->forced_local)
4074 || (r_type == R_SH_REL32
4075 && !SYMBOL_CALLS_LOCAL (info, h)))
4076 && ((input_section->flags & SEC_ALLOC) != 0
4077 /* DWARF will emit R_SH_DIR32 relocations in its
4078 sections against symbols defined externally
4079 in shared libraries. We can't do anything
4081 || ((input_section->flags & SEC_DEBUGGING) != 0
4082 && h->def_dynamic)))
4083 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4084 sections because such sections are not SEC_ALLOC and
4085 thus ld.so will not process them. */
4086 || (sec->output_section == NULL
4087 && ((input_section->flags & SEC_DEBUGGING) != 0
4089 || (sec->output_section == NULL
4090 && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
4091 || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
4093 else if (sec->output_section != NULL)
4094 relocation = ((h->root.u.def.value
4095 + sec->output_section->vma
4096 + sec->output_offset)
4097 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4098 symbol value, unless we've seen
4099 STT_DATALABEL on the way to it. */
4100 | ((h->other & STO_SH5_ISA32) != 0
4101 && ! seen_stt_datalabel));
4102 else if (!info->relocatable
4103 && (_bfd_elf_section_offset (output_bfd, info,
4108 (*_bfd_error_handler)
4109 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4112 (long) rel->r_offset,
4114 h->root.root.string);
4118 else if (h->root.type == bfd_link_hash_undefweak)
4120 else if (info->unresolved_syms_in_objects == RM_IGNORE
4121 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4123 else if (!info->relocatable)
4125 if (! info->callbacks->undefined_symbol
4126 (info, h->root.root.string, input_bfd,
4127 input_section, rel->r_offset,
4128 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4129 || ELF_ST_VISIBILITY (h->other))))
4134 if (sec != NULL && discarded_section (sec))
4135 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
4136 rel, 1, relend, howto, 0, contents);
4138 if (info->relocatable)
4141 /* Check for inter-segment relocations in FDPIC files. Most
4142 relocations connect the relocation site to the location of
4143 the target symbol, but there are some exceptions below. */
4144 check_segment[0] = isec_segment;
4146 check_segment[1] = sh_elf_osec_to_segment (output_bfd,
4147 sec->output_section);
4149 check_segment[1] = -1;
4151 switch ((int) r_type)
4153 final_link_relocate:
4154 /* COFF relocs don't use the addend. The addend is used for
4155 R_SH_DIR32 to be compatible with other compilers. */
4156 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4157 contents, rel->r_offset,
4158 relocation, addend);
4162 goto final_link_relocate;
4167 /* If the reloc is against the start of this section, then
4168 the assembler has already taken care of it and the reloc
4169 is here only to assist in relaxing. If the reloc is not
4170 against the start of this section, then it's against an
4171 external symbol and we must deal with it ourselves. */
4172 if (input_section->output_section->vma + input_section->output_offset
4175 int disp = (relocation
4176 - input_section->output_section->vma
4177 - input_section->output_offset
4183 case R_SH_DIR8WPZ: mask = 1; break;
4184 case R_SH_DIR8WPL: mask = 3; break;
4185 default: mask = 0; break;
4189 ((*_bfd_error_handler)
4190 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4191 input_section->owner,
4192 (unsigned long) rel->r_offset));
4193 bfd_set_error (bfd_error_bad_value);
4197 goto final_link_relocate;
4203 #ifdef INCLUDE_SHMEDIA
4204 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4205 contents, rel, &relocation))
4206 goto final_link_relocate;
4208 bfd_set_error (bfd_error_bad_value);
4216 goto final_link_relocate;
4222 ((*_bfd_error_handler)
4223 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4224 input_section->owner,
4225 (unsigned long) rel->r_offset, howto->name,
4226 (unsigned long) relocation));
4227 bfd_set_error (bfd_error_bad_value);
4230 goto final_link_relocate;
4237 ((*_bfd_error_handler)
4238 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4239 input_section->owner,
4240 (unsigned long) rel->r_offset, howto->name,
4241 (unsigned long) relocation));
4242 bfd_set_error (bfd_error_bad_value);
4245 goto final_link_relocate;
4248 if ((signed int)relocation < -32
4249 || (signed int)relocation > 32)
4251 ((*_bfd_error_handler)
4252 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4253 input_section->owner,
4254 (unsigned long) rel->r_offset,
4255 (unsigned long) relocation));
4256 bfd_set_error (bfd_error_bad_value);
4259 goto final_link_relocate;
4262 if ((signed int)relocation < -16
4263 || (signed int)relocation > 16)
4265 ((*_bfd_error_handler)
4266 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4267 input_section->owner,
4268 (unsigned long) rel->r_offset,
4269 (unsigned long) relocation));
4270 bfd_set_error (bfd_error_bad_value);
4273 goto final_link_relocate;
4277 #ifdef INCLUDE_SHMEDIA
4278 case R_SH_IMM_LOW16_PCREL:
4279 case R_SH_IMM_MEDLOW16_PCREL:
4280 case R_SH_IMM_MEDHI16_PCREL:
4281 case R_SH_IMM_HI16_PCREL:
4285 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4286 || h->root.type != bfd_link_hash_undefweak)
4287 && r_symndx != STN_UNDEF
4288 && (input_section->flags & SEC_ALLOC) != 0
4290 && (r_type == R_SH_DIR32
4291 || !SYMBOL_CALLS_LOCAL (info, h)))
4293 Elf_Internal_Rela outrel;
4295 bfd_boolean skip, relocate;
4297 /* When generating a shared object, these relocations
4298 are copied into the output file to be resolved at run
4303 sreloc = _bfd_elf_get_dynamic_reloc_section
4304 (input_bfd, input_section, /*rela?*/ TRUE);
4313 _bfd_elf_section_offset (output_bfd, info, input_section,
4315 if (outrel.r_offset == (bfd_vma) -1)
4317 else if (outrel.r_offset == (bfd_vma) -2)
4318 skip = TRUE, relocate = TRUE;
4319 outrel.r_offset += (input_section->output_section->vma
4320 + input_section->output_offset);
4323 memset (&outrel, 0, sizeof outrel);
4324 else if (r_type == R_SH_REL32)
4326 BFD_ASSERT (h != NULL && h->dynindx != -1);
4327 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4329 = (howto->partial_inplace
4330 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4333 #ifdef INCLUDE_SHMEDIA
4334 else if (r_type == R_SH_IMM_LOW16_PCREL
4335 || r_type == R_SH_IMM_MEDLOW16_PCREL
4336 || r_type == R_SH_IMM_MEDHI16_PCREL
4337 || r_type == R_SH_IMM_HI16_PCREL)
4339 BFD_ASSERT (h != NULL && h->dynindx != -1);
4340 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4341 outrel.r_addend = addend;
4346 || ((info->symbolic || h->dynindx == -1)
4347 && h->def_regular)))
4351 BFD_ASSERT (sec != NULL);
4352 BFD_ASSERT (sec->output_section != NULL);
4353 dynindx = elf_section_data (sec->output_section)->dynindx;
4354 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4355 outrel.r_addend = relocation;
4357 += (howto->partial_inplace
4358 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4360 outrel.r_addend -= sec->output_section->vma;
4364 /* h->dynindx may be -1 if this symbol was marked to
4367 || ((info->symbolic || h->dynindx == -1)
4370 relocate = howto->partial_inplace;
4371 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4375 BFD_ASSERT (h->dynindx != -1);
4376 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4378 outrel.r_addend = relocation;
4380 += (howto->partial_inplace
4381 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
4385 loc = sreloc->contents;
4386 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4387 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4389 check_segment[0] = check_segment[1] = -1;
4391 /* If this reloc is against an external symbol, we do
4392 not want to fiddle with the addend. Otherwise, we
4393 need to include the symbol value so that it becomes
4394 an addend for the dynamic reloc. */
4398 else if (fdpic_p && !info->shared
4399 && r_type == R_SH_DIR32
4400 && (input_section->flags & SEC_ALLOC) != 0)
4406 if (sh_elf_osec_readonly_p (output_bfd,
4407 input_section->output_section))
4409 (*_bfd_error_handler)
4410 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4413 (long) rel->r_offset,
4418 offset = _bfd_elf_section_offset (output_bfd, info,
4419 input_section, rel->r_offset);
4420 if (offset != (bfd_vma)-1)
4421 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4422 input_section->output_section->vma
4423 + input_section->output_offset
4426 check_segment[0] = check_segment[1] = -1;
4428 /* We don't want warnings for non-NULL tests on undefined weak
4430 else if (r_type == R_SH_REL32
4432 && h->root.type == bfd_link_hash_undefweak)
4433 check_segment[0] = check_segment[1] = -1;
4434 goto final_link_relocate;
4437 #ifdef INCLUDE_SHMEDIA
4438 case R_SH_GOTPLT_LOW16:
4439 case R_SH_GOTPLT_MEDLOW16:
4440 case R_SH_GOTPLT_MEDHI16:
4441 case R_SH_GOTPLT_HI16:
4442 case R_SH_GOTPLT10BY4:
4443 case R_SH_GOTPLT10BY8:
4445 /* Relocation is to the entry for this symbol in the
4446 procedure linkage table. */
4453 || h->plt.offset == (bfd_vma) -1
4454 || h->got.offset != (bfd_vma) -1)
4457 /* Relocation is to the entry for this symbol in the global
4458 offset table extension for the procedure linkage table. */
4461 BFD_ASSERT (sgotplt != NULL);
4462 relocation = (sgotplt->output_offset
4463 + (get_plt_index (htab->plt_info, h->plt.offset)
4467 relocation -= GOT_BIAS;
4470 goto final_link_relocate;
4475 #ifdef INCLUDE_SHMEDIA
4476 case R_SH_GOT_LOW16:
4477 case R_SH_GOT_MEDLOW16:
4478 case R_SH_GOT_MEDHI16:
4483 /* Relocation is to the entry for this symbol in the global
4487 BFD_ASSERT (sgot != NULL);
4488 check_segment[0] = check_segment[1] = -1;
4494 off = h->got.offset;
4495 #ifdef INCLUDE_SHMEDIA
4496 if (seen_stt_datalabel)
4498 struct elf_sh_link_hash_entry *hsh;
4500 hsh = (struct elf_sh_link_hash_entry *)h;
4501 off = hsh->datalabel_got.offset;
4504 BFD_ASSERT (off != (bfd_vma) -1);
4506 dyn = htab->root.dynamic_sections_created;
4507 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4509 && SYMBOL_REFERENCES_LOCAL (info, h))
4510 || (ELF_ST_VISIBILITY (h->other)
4511 && h->root.type == bfd_link_hash_undefweak))
4513 /* This is actually a static link, or it is a
4514 -Bsymbolic link and the symbol is defined
4515 locally, or the symbol was forced to be local
4516 because of a version file. We must initialize
4517 this entry in the global offset table. Since the
4518 offset must always be a multiple of 4, we use the
4519 least significant bit to record whether we have
4520 initialized it already.
4522 When doing a dynamic link, we create a .rela.got
4523 relocation entry to initialize the value. This
4524 is done in the finish_dynamic_symbol routine. */
4529 bfd_put_32 (output_bfd, relocation,
4530 sgot->contents + off);
4531 #ifdef INCLUDE_SHMEDIA
4532 if (seen_stt_datalabel)
4534 struct elf_sh_link_hash_entry *hsh;
4536 hsh = (struct elf_sh_link_hash_entry *)h;
4537 hsh->datalabel_got.offset |= 1;
4543 /* If we initialize the GOT entry here with a valid
4544 symbol address, also add a fixup. */
4545 if (fdpic_p && !info->shared
4546 && sh_elf_hash_entry (h)->got_type == GOT_NORMAL
4547 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4548 || h->root.type != bfd_link_hash_undefweak))
4549 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4550 sgot->output_section->vma
4551 + sgot->output_offset
4556 relocation = sh_elf_got_offset (htab) + off;
4560 #ifdef INCLUDE_SHMEDIA
4563 BFD_ASSERT (local_got_offsets != NULL
4564 && (local_got_offsets[symtab_hdr->sh_info
4568 off = local_got_offsets[symtab_hdr->sh_info
4574 BFD_ASSERT (local_got_offsets != NULL
4575 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4577 off = local_got_offsets[r_symndx];
4578 #ifdef INCLUDE_SHMEDIA
4582 /* The offset must always be a multiple of 4. We use
4583 the least significant bit to record whether we have
4584 already generated the necessary reloc. */
4589 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4593 Elf_Internal_Rela outrel;
4596 if (srelgot == NULL)
4598 srelgot = bfd_get_linker_section (dynobj,
4600 BFD_ASSERT (srelgot != NULL);
4603 outrel.r_offset = (sgot->output_section->vma
4604 + sgot->output_offset
4609 = elf_section_data (sec->output_section)->dynindx;
4610 outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
4611 outrel.r_addend = relocation;
4612 outrel.r_addend -= sec->output_section->vma;
4616 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4617 outrel.r_addend = relocation;
4619 loc = srelgot->contents;
4620 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4621 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4624 && (sh_elf_local_got_type (input_bfd) [r_symndx]
4626 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4627 sgot->output_section->vma
4628 + sgot->output_offset
4631 #ifdef INCLUDE_SHMEDIA
4633 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
4636 local_got_offsets[r_symndx] |= 1;
4639 relocation = sh_elf_got_offset (htab) + off;
4643 relocation -= GOT_BIAS;
4646 if (r_type == R_SH_GOT20)
4648 r = install_movi20_field (output_bfd, relocation + addend,
4649 input_bfd, input_section, contents,
4654 goto final_link_relocate;
4658 #ifdef INCLUDE_SHMEDIA
4659 case R_SH_GOTOFF_LOW16:
4660 case R_SH_GOTOFF_MEDLOW16:
4661 case R_SH_GOTOFF_MEDHI16:
4662 case R_SH_GOTOFF_HI16:
4664 /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
4665 we place at the start of the .got.plt section. This is the same
4666 as the start of the output .got section, unless there are function
4667 descriptors in front of it. */
4669 BFD_ASSERT (sgotplt != NULL);
4670 check_segment[0] = got_segment;
4671 relocation -= sgotplt->output_section->vma + sgotplt->output_offset
4672 + htab->root.hgot->root.u.def.value;
4675 relocation -= GOT_BIAS;
4678 addend = rel->r_addend;
4680 if (r_type == R_SH_GOTOFF20)
4682 r = install_movi20_field (output_bfd, relocation + addend,
4683 input_bfd, input_section, contents,
4688 goto final_link_relocate;
4691 #ifdef INCLUDE_SHMEDIA
4692 case R_SH_GOTPC_LOW16:
4693 case R_SH_GOTPC_MEDLOW16:
4694 case R_SH_GOTPC_MEDHI16:
4695 case R_SH_GOTPC_HI16:
4697 /* Use global offset table as symbol value. */
4699 BFD_ASSERT (sgotplt != NULL);
4700 relocation = sgotplt->output_section->vma + sgotplt->output_offset;
4703 relocation += GOT_BIAS;
4706 addend = rel->r_addend;
4708 goto final_link_relocate;
4711 #ifdef INCLUDE_SHMEDIA
4712 case R_SH_PLT_LOW16:
4713 case R_SH_PLT_MEDLOW16:
4714 case R_SH_PLT_MEDHI16:
4717 /* Relocation is to the entry for this symbol in the
4718 procedure linkage table. */
4720 /* Resolve a PLT reloc against a local symbol directly,
4721 without using the procedure linkage table. */
4723 goto final_link_relocate;
4725 /* We don't want to warn on calls to undefined weak symbols,
4726 as calls to them must be protected by non-NULL tests
4727 anyway, and unprotected calls would invoke undefined
4729 if (h->root.type == bfd_link_hash_undefweak)
4730 check_segment[0] = check_segment[1] = -1;
4732 if (h->forced_local)
4733 goto final_link_relocate;
4735 if (h->plt.offset == (bfd_vma) -1)
4737 /* We didn't make a PLT entry for this symbol. This
4738 happens when statically linking PIC code, or when
4739 using -Bsymbolic. */
4740 goto final_link_relocate;
4743 BFD_ASSERT (splt != NULL);
4744 check_segment[1] = plt_segment;
4745 relocation = (splt->output_section->vma
4746 + splt->output_offset
4749 #ifdef INCLUDE_SHMEDIA
4753 addend = rel->r_addend;
4755 goto final_link_relocate;
4757 /* Relocation is to the canonical function descriptor for this
4758 symbol, possibly via the GOT. Initialize the GOT
4759 entry and function descriptor if necessary. */
4760 case R_SH_GOTFUNCDESC:
4761 case R_SH_GOTFUNCDESC20:
4765 asection *reloc_section;
4766 bfd_vma reloc_offset;
4767 int reloc_type = R_SH_FUNCDESC;
4771 check_segment[0] = check_segment[1] = -1;
4773 /* FIXME: See what FRV does for global symbols in the
4774 executable, with --export-dynamic. Do they need ld.so
4775 to allocate official descriptors? See what this code
4781 if (r_type == R_SH_FUNCDESC)
4783 reloc_section = input_section;
4784 reloc_offset = rel->r_offset;
4788 reloc_section = sgot;
4791 reloc_offset = h->got.offset;
4794 BFD_ASSERT (local_got_offsets != NULL);
4795 reloc_offset = local_got_offsets[r_symndx];
4797 BFD_ASSERT (reloc_offset != MINUS_ONE);
4799 if (reloc_offset & 1)
4802 goto funcdesc_done_got;
4806 if (h && h->root.type == bfd_link_hash_undefweak
4807 && (SYMBOL_CALLS_LOCAL (info, h)
4808 || !htab->root.dynamic_sections_created))
4809 /* Undefined weak symbol which will not be dynamically
4810 resolved later; leave it at zero. */
4811 goto funcdesc_leave_zero;
4812 else if (SYMBOL_CALLS_LOCAL (info, h)
4813 && ! SYMBOL_FUNCDESC_LOCAL (info, h))
4815 /* If the symbol needs a non-local function descriptor
4816 but binds locally (i.e., its visibility is
4817 protected), emit a dynamic relocation decayed to
4818 section+offset. This is an optimization; the dynamic
4819 linker would resolve our function descriptor request
4820 to our copy of the function anyway. */
4821 dynindx = elf_section_data (h->root.u.def.section
4822 ->output_section)->dynindx;
4823 relocation += h->root.u.def.section->output_offset
4824 + h->root.u.def.value;
4826 else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
4828 /* If the symbol is dynamic and there will be dynamic
4829 symbol resolution because we are or are linked with a
4830 shared library, emit a FUNCDESC relocation such that
4831 the dynamic linker will allocate the function
4833 BFD_ASSERT (h->dynindx != -1);
4834 dynindx = h->dynindx;
4840 /* Otherwise, we know we have a private function
4841 descriptor, so reference it directly. */
4842 reloc_type = R_SH_DIR32;
4843 dynindx = elf_section_data (htab->sfuncdesc
4844 ->output_section)->dynindx;
4848 offset = sh_elf_hash_entry (h)->funcdesc.offset;
4849 BFD_ASSERT (offset != MINUS_ONE);
4850 if ((offset & 1) == 0)
4852 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
4855 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
4860 union gotref *local_funcdesc;
4862 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
4863 offset = local_funcdesc[r_symndx].offset;
4864 BFD_ASSERT (offset != MINUS_ONE);
4865 if ((offset & 1) == 0)
4867 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
4871 local_funcdesc[r_symndx].offset |= 1;
4875 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
4878 if (!info->shared && SYMBOL_FUNCDESC_LOCAL (info, h))
4882 if (sh_elf_osec_readonly_p (output_bfd,
4883 reloc_section->output_section))
4885 (*_bfd_error_handler)
4886 (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
4889 (long) rel->r_offset,
4894 offset = _bfd_elf_section_offset (output_bfd, info,
4895 reloc_section, reloc_offset);
4897 if (offset != (bfd_vma)-1)
4898 sh_elf_add_rofixup (output_bfd, htab->srofixup,
4900 + reloc_section->output_section->vma
4901 + reloc_section->output_offset);
4903 else if ((reloc_section->output_section->flags
4904 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
4908 if (sh_elf_osec_readonly_p (output_bfd,
4909 reloc_section->output_section))
4911 info->callbacks->warning
4913 _("cannot emit dynamic relocations in read-only section"),
4914 symname, input_bfd, reloc_section, reloc_offset);
4918 if (srelgot == NULL)
4920 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
4921 BFD_ASSERT (srelgot != NULL);
4924 offset = _bfd_elf_section_offset (output_bfd, info,
4925 reloc_section, reloc_offset);
4927 if (offset != (bfd_vma)-1)
4928 sh_elf_add_dyn_reloc (output_bfd, srelgot,
4930 + reloc_section->output_section->vma
4931 + reloc_section->output_offset,
4932 reloc_type, dynindx, relocation);
4934 if (r_type == R_SH_FUNCDESC)
4942 goto funcdesc_leave_zero;
4946 if (SYMBOL_FUNCDESC_LOCAL (info, h))
4947 relocation += htab->sfuncdesc->output_section->vma;
4948 funcdesc_leave_zero:
4949 if (r_type != R_SH_FUNCDESC)
4951 bfd_put_32 (output_bfd, relocation,
4952 reloc_section->contents + reloc_offset);
4956 local_got_offsets[r_symndx] |= 1;
4960 relocation = sh_elf_got_offset (htab) + reloc_offset;
4962 relocation -= GOT_BIAS;
4965 if (r_type == R_SH_GOTFUNCDESC20)
4967 r = install_movi20_field (output_bfd, relocation + addend,
4968 input_bfd, input_section, contents,
4973 goto final_link_relocate;
4977 case R_SH_GOTOFFFUNCDESC:
4978 case R_SH_GOTOFFFUNCDESC20:
4979 /* FIXME: See R_SH_FUNCDESC comment about global symbols in the
4980 executable and --export-dynamic. If such symbols get
4981 ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
4985 check_segment[0] = check_segment[1] = -1;
4987 addend = rel->r_addend;
4989 if (h && (h->root.type == bfd_link_hash_undefweak
4990 || !SYMBOL_FUNCDESC_LOCAL (info, h)))
4993 (_("%B(%A+0x%lx): %s relocation against external symbol \"%s\""),
4994 input_bfd, input_section, (long) rel->r_offset, howto->name,
4995 h->root.root.string);
5002 /* Otherwise, we know we have a private function
5003 descriptor, so reference it directly. */
5006 offset = sh_elf_hash_entry (h)->funcdesc.offset;
5007 BFD_ASSERT (offset != MINUS_ONE);
5008 if ((offset & 1) == 0)
5010 if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
5013 sh_elf_hash_entry (h)->funcdesc.offset |= 1;
5018 union gotref *local_funcdesc;
5020 local_funcdesc = sh_elf_local_funcdesc (input_bfd);
5021 offset = local_funcdesc[r_symndx].offset;
5022 BFD_ASSERT (offset != MINUS_ONE);
5023 if ((offset & 1) == 0)
5025 if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
5029 local_funcdesc[r_symndx].offset |= 1;
5033 relocation = htab->sfuncdesc->output_offset + (offset & ~1);
5036 relocation -= (htab->root.hgot->root.u.def.value
5037 + sgotplt->output_offset);
5039 relocation -= GOT_BIAS;
5042 if (r_type == R_SH_GOTOFFFUNCDESC20)
5044 r = install_movi20_field (output_bfd, relocation + addend,
5045 input_bfd, input_section, contents,
5050 goto final_link_relocate;
5052 case R_SH_LOOP_START:
5054 static bfd_vma start, end;
5056 start = (relocation + rel->r_addend
5057 - (sec->output_section->vma + sec->output_offset));
5058 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5059 rel->r_offset, sec, start, end);
5063 end = (relocation + rel->r_addend
5064 - (sec->output_section->vma + sec->output_offset));
5065 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5066 rel->r_offset, sec, start, end);
5070 case R_SH_TLS_GD_32:
5071 case R_SH_TLS_IE_32:
5073 check_segment[0] = check_segment[1] = -1;
5074 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
5075 got_type = GOT_UNKNOWN;
5076 if (h == NULL && local_got_offsets)
5077 got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
5080 got_type = sh_elf_hash_entry (h)->got_type;
5082 && (h->dynindx == -1
5084 r_type = R_SH_TLS_LE_32;
5087 if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
5088 r_type = R_SH_TLS_IE_32;
5090 if (r_type == R_SH_TLS_LE_32)
5093 unsigned short insn;
5095 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5097 /* GD->LE transition:
5098 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5099 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5100 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5102 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5104 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5106 offset = rel->r_offset;
5107 BFD_ASSERT (offset >= 16);
5108 /* Size of GD instructions is 16 or 18. */
5110 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5111 if ((insn & 0xff00) == 0xc700)
5113 BFD_ASSERT (offset >= 2);
5115 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5118 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5119 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5120 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5121 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5122 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5123 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5124 BFD_ASSERT (insn == 0x310c);
5125 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5126 BFD_ASSERT (insn == 0x410b);
5127 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5128 BFD_ASSERT (insn == 0x34cc);
5130 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5131 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5132 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5133 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5134 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5140 /* IE->LE transition:
5141 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5142 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5144 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5147 offset = rel->r_offset;
5148 BFD_ASSERT (offset >= 16);
5149 /* Size of IE instructions is 10 or 12. */
5151 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5152 if ((insn & 0xf0ff) == 0x0012)
5154 BFD_ASSERT (offset >= 2);
5156 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5159 BFD_ASSERT ((insn & 0xff00) == 0xd000);
5160 target = insn & 0x00ff;
5161 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5162 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5163 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5164 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
5165 insn = 0xd000 | (insn & 0x0f00) | target;
5166 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5167 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5170 bfd_put_32 (output_bfd, tpoff (info, relocation),
5171 contents + rel->r_offset);
5175 if (sgot == NULL || sgotplt == NULL)
5179 off = h->got.offset;
5182 if (local_got_offsets == NULL)
5185 off = local_got_offsets[r_symndx];
5188 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5189 if (r_type == R_SH_TLS_IE_32
5190 && ! htab->root.dynamic_sections_created)
5193 bfd_put_32 (output_bfd, tpoff (info, relocation),
5194 sgot->contents + off);
5195 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
5196 contents + rel->r_offset);
5204 Elf_Internal_Rela outrel;
5208 if (srelgot == NULL)
5210 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
5211 BFD_ASSERT (srelgot != NULL);
5214 outrel.r_offset = (sgot->output_section->vma
5215 + sgot->output_offset + off);
5217 if (h == NULL || h->dynindx == -1)
5222 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5224 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5225 outrel.r_addend = relocation - dtpoff_base (info);
5227 outrel.r_addend = 0;
5228 outrel.r_info = ELF32_R_INFO (indx, dr_type);
5229 loc = srelgot->contents;
5230 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5231 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5233 if (r_type == R_SH_TLS_GD_32)
5237 bfd_put_32 (output_bfd,
5238 relocation - dtpoff_base (info),
5239 sgot->contents + off + 4);
5243 outrel.r_info = ELF32_R_INFO (indx,
5245 outrel.r_offset += 4;
5246 outrel.r_addend = 0;
5247 srelgot->reloc_count++;
5248 loc += sizeof (Elf32_External_Rela);
5249 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5256 local_got_offsets[r_symndx] |= 1;
5259 if (off >= (bfd_vma) -2)
5262 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
5263 relocation = sh_elf_got_offset (htab) + off;
5267 unsigned short insn;
5269 /* GD->IE transition:
5270 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5271 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5272 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5274 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5275 nop; nop; bra 3f; nop; .align 2;
5276 1: .long x@TPOFF; 2:...; 3:. */
5278 offset = rel->r_offset;
5279 BFD_ASSERT (offset >= 16);
5280 /* Size of GD instructions is 16 or 18. */
5282 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5283 if ((insn & 0xff00) == 0xc700)
5285 BFD_ASSERT (offset >= 2);
5287 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5290 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5292 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5293 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5295 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5296 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5297 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5298 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5299 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5300 BFD_ASSERT (insn == 0x310c);
5301 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5302 BFD_ASSERT (insn == 0x410b);
5303 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5304 BFD_ASSERT (insn == 0x34cc);
5306 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5307 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5308 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5309 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5310 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5312 bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
5313 contents + rel->r_offset);
5318 addend = rel->r_addend;
5320 goto final_link_relocate;
5322 case R_SH_TLS_LD_32:
5324 check_segment[0] = check_segment[1] = -1;
5328 unsigned short insn;
5330 /* LD->LE transition:
5331 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5332 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5333 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5335 stc gbr,r0; nop; nop; nop;
5336 nop; nop; bra 3f; ...; 3:. */
5338 offset = rel->r_offset;
5339 BFD_ASSERT (offset >= 16);
5340 /* Size of LD instructions is 16 or 18. */
5342 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5343 if ((insn & 0xff00) == 0xc700)
5345 BFD_ASSERT (offset >= 2);
5347 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5350 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5351 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5352 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5353 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5354 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5355 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5356 BFD_ASSERT (insn == 0x310c);
5357 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5358 BFD_ASSERT (insn == 0x410b);
5359 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5360 BFD_ASSERT (insn == 0x34cc);
5362 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5363 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5364 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5365 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5366 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5367 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5372 if (sgot == NULL || sgotplt == NULL)
5375 off = htab->tls_ldm_got.offset;
5380 Elf_Internal_Rela outrel;
5383 srelgot = htab->srelgot;
5384 if (srelgot == NULL)
5387 outrel.r_offset = (sgot->output_section->vma
5388 + sgot->output_offset + off);
5389 outrel.r_addend = 0;
5390 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
5391 loc = srelgot->contents;
5392 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5393 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5394 htab->tls_ldm_got.offset |= 1;
5397 relocation = sh_elf_got_offset (htab) + off;
5398 addend = rel->r_addend;
5400 goto final_link_relocate;
5402 case R_SH_TLS_LDO_32:
5403 check_segment[0] = check_segment[1] = -1;
5405 relocation = tpoff (info, relocation);
5407 relocation -= dtpoff_base (info);
5409 addend = rel->r_addend;
5410 goto final_link_relocate;
5412 case R_SH_TLS_LE_32:
5415 Elf_Internal_Rela outrel;
5418 check_segment[0] = check_segment[1] = -1;
5420 if (! info->shared || info->pie)
5422 relocation = tpoff (info, relocation);
5423 addend = rel->r_addend;
5424 goto final_link_relocate;
5429 sreloc = _bfd_elf_get_dynamic_reloc_section
5430 (input_bfd, input_section, /*rela?*/ TRUE);
5435 if (h == NULL || h->dynindx == -1)
5440 outrel.r_offset = (input_section->output_section->vma
5441 + input_section->output_offset
5443 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5445 outrel.r_addend = relocation - dtpoff_base (info);
5447 outrel.r_addend = 0;
5449 loc = sreloc->contents;
5450 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5451 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5457 if (fdpic_p && check_segment[0] != (unsigned) -1
5458 && check_segment[0] != check_segment[1])
5460 /* We don't want duplicate errors for undefined symbols. */
5461 if (!h || h->root.type != bfd_link_hash_undefined)
5465 info->callbacks->einfo
5466 (_("%X%C: relocation to \"%s\" references a different segment\n"),
5467 input_bfd, input_section, rel->r_offset, symname);
5471 info->callbacks->einfo
5472 (_("%C: warning: relocation to \"%s\" references a different segment\n"),
5473 input_bfd, input_section, rel->r_offset, symname);
5476 elf_elfheader (output_bfd)->e_flags &= ~EF_SH_PIC;
5479 if (r != bfd_reloc_ok)
5484 case bfd_reloc_outofrange:
5486 case bfd_reloc_overflow:
5494 name = (bfd_elf_string_from_elf_section
5495 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5499 name = bfd_section_name (input_bfd, sec);
5501 if (! ((*info->callbacks->reloc_overflow)
5502 (info, (h ? &h->root : NULL), name, howto->name,
5503 (bfd_vma) 0, input_bfd, input_section,
5515 /* This is a version of bfd_generic_get_relocated_section_contents
5516 which uses sh_elf_relocate_section. */
5519 sh_elf_get_relocated_section_contents (bfd *output_bfd,
5520 struct bfd_link_info *link_info,
5521 struct bfd_link_order *link_order,
5523 bfd_boolean relocatable,
5526 Elf_Internal_Shdr *symtab_hdr;
5527 asection *input_section = link_order->u.indirect.section;
5528 bfd *input_bfd = input_section->owner;
5529 asection **sections = NULL;
5530 Elf_Internal_Rela *internal_relocs = NULL;
5531 Elf_Internal_Sym *isymbuf = NULL;
5533 /* We only need to handle the case of relaxing, or of having a
5534 particular set of section contents, specially. */
5536 || elf_section_data (input_section)->this_hdr.contents == NULL)
5537 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5542 symtab_hdr = &elf_symtab_hdr (input_bfd);
5544 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5545 (size_t) input_section->size);
5547 if ((input_section->flags & SEC_RELOC) != 0
5548 && input_section->reloc_count > 0)
5551 Elf_Internal_Sym *isym, *isymend;
5554 internal_relocs = (_bfd_elf_link_read_relocs
5555 (input_bfd, input_section, NULL,
5556 (Elf_Internal_Rela *) NULL, FALSE));
5557 if (internal_relocs == NULL)
5560 if (symtab_hdr->sh_info != 0)
5562 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5563 if (isymbuf == NULL)
5564 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5565 symtab_hdr->sh_info, 0,
5567 if (isymbuf == NULL)
5571 amt = symtab_hdr->sh_info;
5572 amt *= sizeof (asection *);
5573 sections = (asection **) bfd_malloc (amt);
5574 if (sections == NULL && amt != 0)
5577 isymend = isymbuf + symtab_hdr->sh_info;
5578 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5582 if (isym->st_shndx == SHN_UNDEF)
5583 isec = bfd_und_section_ptr;
5584 else if (isym->st_shndx == SHN_ABS)
5585 isec = bfd_abs_section_ptr;
5586 else if (isym->st_shndx == SHN_COMMON)
5587 isec = bfd_com_section_ptr;
5589 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5594 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5595 input_section, data, internal_relocs,
5599 if (sections != NULL)
5602 && symtab_hdr->contents != (unsigned char *) isymbuf)
5604 if (elf_section_data (input_section)->relocs != internal_relocs)
5605 free (internal_relocs);
5611 if (sections != NULL)
5614 && symtab_hdr->contents != (unsigned char *) isymbuf)
5616 if (internal_relocs != NULL
5617 && elf_section_data (input_section)->relocs != internal_relocs)
5618 free (internal_relocs);
5622 /* Return the base VMA address which should be subtracted from real addresses
5623 when resolving @dtpoff relocation.
5624 This is PT_TLS segment p_vaddr. */
5627 dtpoff_base (struct bfd_link_info *info)
5629 /* If tls_sec is NULL, we should have signalled an error already. */
5630 if (elf_hash_table (info)->tls_sec == NULL)
5632 return elf_hash_table (info)->tls_sec->vma;
5635 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
5638 tpoff (struct bfd_link_info *info, bfd_vma address)
5640 /* If tls_sec is NULL, we should have signalled an error already. */
5641 if (elf_hash_table (info)->tls_sec == NULL)
5643 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5644 structure which has 2 pointer fields. */
5645 return (address - elf_hash_table (info)->tls_sec->vma
5646 + align_power ((bfd_vma) 8,
5647 elf_hash_table (info)->tls_sec->alignment_power));
5651 sh_elf_gc_mark_hook (asection *sec,
5652 struct bfd_link_info *info,
5653 Elf_Internal_Rela *rel,
5654 struct elf_link_hash_entry *h,
5655 Elf_Internal_Sym *sym)
5658 switch (ELF32_R_TYPE (rel->r_info))
5660 case R_SH_GNU_VTINHERIT:
5661 case R_SH_GNU_VTENTRY:
5665 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
5668 /* Update the got entry reference counts for the section being removed. */
5671 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5672 asection *sec, const Elf_Internal_Rela *relocs)
5674 Elf_Internal_Shdr *symtab_hdr;
5675 struct elf_link_hash_entry **sym_hashes;
5676 bfd_signed_vma *local_got_refcounts;
5677 union gotref *local_funcdesc;
5678 const Elf_Internal_Rela *rel, *relend;
5680 if (info->relocatable)
5683 elf_section_data (sec)->local_dynrel = NULL;
5685 symtab_hdr = &elf_symtab_hdr (abfd);
5686 sym_hashes = elf_sym_hashes (abfd);
5687 local_got_refcounts = elf_local_got_refcounts (abfd);
5688 local_funcdesc = sh_elf_local_funcdesc (abfd);
5690 relend = relocs + sec->reloc_count;
5691 for (rel = relocs; rel < relend; rel++)
5693 unsigned long r_symndx;
5694 unsigned int r_type;
5695 struct elf_link_hash_entry *h = NULL;
5696 #ifdef INCLUDE_SHMEDIA
5697 int seen_stt_datalabel = 0;
5700 r_symndx = ELF32_R_SYM (rel->r_info);
5701 if (r_symndx >= symtab_hdr->sh_info)
5703 struct elf_sh_link_hash_entry *eh;
5704 struct elf_sh_dyn_relocs **pp;
5705 struct elf_sh_dyn_relocs *p;
5707 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5708 while (h->root.type == bfd_link_hash_indirect
5709 || h->root.type == bfd_link_hash_warning)
5711 #ifdef INCLUDE_SHMEDIA
5712 seen_stt_datalabel |= h->type == STT_DATALABEL;
5714 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5716 eh = (struct elf_sh_link_hash_entry *) h;
5717 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5720 /* Everything must go for SEC. */
5726 r_type = ELF32_R_TYPE (rel->r_info);
5727 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
5729 case R_SH_TLS_LD_32:
5730 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5731 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5739 #ifdef INCLUDE_SHMEDIA
5740 case R_SH_GOT_LOW16:
5741 case R_SH_GOT_MEDLOW16:
5742 case R_SH_GOT_MEDHI16:
5746 case R_SH_GOTOFF_LOW16:
5747 case R_SH_GOTOFF_MEDLOW16:
5748 case R_SH_GOTOFF_MEDHI16:
5749 case R_SH_GOTOFF_HI16:
5750 case R_SH_GOTPC_LOW16:
5751 case R_SH_GOTPC_MEDLOW16:
5752 case R_SH_GOTPC_MEDHI16:
5753 case R_SH_GOTPC_HI16:
5755 case R_SH_TLS_GD_32:
5756 case R_SH_TLS_IE_32:
5757 case R_SH_GOTFUNCDESC:
5758 case R_SH_GOTFUNCDESC20:
5761 #ifdef INCLUDE_SHMEDIA
5762 if (seen_stt_datalabel)
5764 struct elf_sh_link_hash_entry *eh;
5765 eh = (struct elf_sh_link_hash_entry *) h;
5766 if (eh->datalabel_got.refcount > 0)
5767 eh->datalabel_got.refcount -= 1;
5771 if (h->got.refcount > 0)
5772 h->got.refcount -= 1;
5774 else if (local_got_refcounts != NULL)
5776 #ifdef INCLUDE_SHMEDIA
5777 if (rel->r_addend & 1)
5779 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5780 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5784 if (local_got_refcounts[r_symndx] > 0)
5785 local_got_refcounts[r_symndx] -= 1;
5791 sh_elf_hash_entry (h)->abs_funcdesc_refcount -= 1;
5792 else if (sh_elf_hash_table (info)->fdpic_p && !info->shared)
5793 sh_elf_hash_table (info)->srofixup->size -= 4;
5797 case R_SH_GOTOFFFUNCDESC:
5798 case R_SH_GOTOFFFUNCDESC20:
5800 sh_elf_hash_entry (h)->funcdesc.refcount -= 1;
5802 local_funcdesc[r_symndx].refcount -= 1;
5806 if (sh_elf_hash_table (info)->fdpic_p && !info->shared
5807 && (sec->flags & SEC_ALLOC) != 0)
5808 sh_elf_hash_table (info)->srofixup->size -= 4;
5817 #ifdef INCLUDE_SHMEDIA
5818 case R_SH_PLT_LOW16:
5819 case R_SH_PLT_MEDLOW16:
5820 case R_SH_PLT_MEDHI16:
5825 if (h->plt.refcount > 0)
5826 h->plt.refcount -= 1;
5831 #ifdef INCLUDE_SHMEDIA
5832 case R_SH_GOTPLT_LOW16:
5833 case R_SH_GOTPLT_MEDLOW16:
5834 case R_SH_GOTPLT_MEDHI16:
5835 case R_SH_GOTPLT_HI16:
5836 case R_SH_GOTPLT10BY4:
5837 case R_SH_GOTPLT10BY8:
5841 struct elf_sh_link_hash_entry *eh;
5842 eh = (struct elf_sh_link_hash_entry *) h;
5843 if (eh->gotplt_refcount > 0)
5845 eh->gotplt_refcount -= 1;
5846 if (h->plt.refcount > 0)
5847 h->plt.refcount -= 1;
5849 #ifdef INCLUDE_SHMEDIA
5850 else if (seen_stt_datalabel)
5852 if (eh->datalabel_got.refcount > 0)
5853 eh->datalabel_got.refcount -= 1;
5856 else if (h->got.refcount > 0)
5857 h->got.refcount -= 1;
5859 else if (local_got_refcounts != NULL)
5861 #ifdef INCLUDE_SHMEDIA
5862 if (rel->r_addend & 1)
5864 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5865 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5869 if (local_got_refcounts[r_symndx] > 0)
5870 local_got_refcounts[r_symndx] -= 1;
5882 /* Copy the extra info we tack onto an elf_link_hash_entry. */
5885 sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
5886 struct elf_link_hash_entry *dir,
5887 struct elf_link_hash_entry *ind)
5889 struct elf_sh_link_hash_entry *edir, *eind;
5891 edir = (struct elf_sh_link_hash_entry *) dir;
5892 eind = (struct elf_sh_link_hash_entry *) ind;
5894 if (eind->dyn_relocs != NULL)
5896 if (edir->dyn_relocs != NULL)
5898 struct elf_sh_dyn_relocs **pp;
5899 struct elf_sh_dyn_relocs *p;
5901 /* Add reloc counts against the indirect sym to the direct sym
5902 list. Merge any entries against the same section. */
5903 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
5905 struct elf_sh_dyn_relocs *q;
5907 for (q = edir->dyn_relocs; q != NULL; q = q->next)
5908 if (q->sec == p->sec)
5910 q->pc_count += p->pc_count;
5911 q->count += p->count;
5918 *pp = edir->dyn_relocs;
5921 edir->dyn_relocs = eind->dyn_relocs;
5922 eind->dyn_relocs = NULL;
5924 edir->gotplt_refcount = eind->gotplt_refcount;
5925 eind->gotplt_refcount = 0;
5926 #ifdef INCLUDE_SHMEDIA
5927 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
5928 eind->datalabel_got.refcount = 0;
5930 edir->funcdesc.refcount += eind->funcdesc.refcount;
5931 eind->funcdesc.refcount = 0;
5932 edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
5933 eind->abs_funcdesc_refcount = 0;
5935 if (ind->root.type == bfd_link_hash_indirect
5936 && dir->got.refcount <= 0)
5938 edir->got_type = eind->got_type;
5939 eind->got_type = GOT_UNKNOWN;
5942 if (ind->root.type != bfd_link_hash_indirect
5943 && dir->dynamic_adjusted)
5945 /* If called to transfer flags for a weakdef during processing
5946 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
5947 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
5948 dir->ref_dynamic |= ind->ref_dynamic;
5949 dir->ref_regular |= ind->ref_regular;
5950 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
5951 dir->needs_plt |= ind->needs_plt;
5954 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
5958 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
5966 case R_SH_TLS_GD_32:
5967 case R_SH_TLS_IE_32:
5969 return R_SH_TLS_LE_32;
5970 return R_SH_TLS_IE_32;
5971 case R_SH_TLS_LD_32:
5972 return R_SH_TLS_LE_32;
5978 /* Look through the relocs for a section during the first phase.
5979 Since we don't do .gots or .plts, we just need to consider the
5980 virtual table relocs for gc. */
5983 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
5984 const Elf_Internal_Rela *relocs)
5986 Elf_Internal_Shdr *symtab_hdr;
5987 struct elf_link_hash_entry **sym_hashes;
5988 struct elf_sh_link_hash_table *htab;
5989 const Elf_Internal_Rela *rel;
5990 const Elf_Internal_Rela *rel_end;
5992 unsigned int r_type;
5993 enum got_type got_type, old_got_type;
5997 if (info->relocatable)
6000 BFD_ASSERT (is_sh_elf (abfd));
6002 symtab_hdr = &elf_symtab_hdr (abfd);
6003 sym_hashes = elf_sym_hashes (abfd);
6005 htab = sh_elf_hash_table (info);
6009 rel_end = relocs + sec->reloc_count;
6010 for (rel = relocs; rel < rel_end; rel++)
6012 struct elf_link_hash_entry *h;
6013 unsigned long r_symndx;
6014 #ifdef INCLUDE_SHMEDIA
6015 int seen_stt_datalabel = 0;
6018 r_symndx = ELF32_R_SYM (rel->r_info);
6019 r_type = ELF32_R_TYPE (rel->r_info);
6021 if (r_symndx < symtab_hdr->sh_info)
6025 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
6026 while (h->root.type == bfd_link_hash_indirect
6027 || h->root.type == bfd_link_hash_warning)
6029 #ifdef INCLUDE_SHMEDIA
6030 seen_stt_datalabel |= h->type == STT_DATALABEL;
6032 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6035 /* PR15323, ref flags aren't set for references in the same
6037 h->root.non_ir_ref = 1;
6040 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6042 && r_type == R_SH_TLS_IE_32
6044 && h->root.type != bfd_link_hash_undefined
6045 && h->root.type != bfd_link_hash_undefweak
6046 && (h->dynindx == -1
6048 r_type = R_SH_TLS_LE_32;
6053 case R_SH_GOTOFFFUNCDESC:
6054 case R_SH_GOTOFFFUNCDESC20:
6056 case R_SH_GOTFUNCDESC:
6057 case R_SH_GOTFUNCDESC20:
6060 if (h->dynindx == -1)
6061 switch (ELF_ST_VISIBILITY (h->other))
6067 bfd_elf_link_record_dynamic_symbol (info, h);
6074 /* Some relocs require a global offset table. */
6075 if (htab->sgot == NULL)
6080 /* This may require an rofixup. */
6089 case R_SH_GOTFUNCDESC:
6090 case R_SH_GOTFUNCDESC20:
6091 case R_SH_GOTOFFFUNCDESC:
6092 case R_SH_GOTOFFFUNCDESC20:
6094 #ifdef INCLUDE_SHMEDIA
6095 case R_SH_GOTPLT_LOW16:
6096 case R_SH_GOTPLT_MEDLOW16:
6097 case R_SH_GOTPLT_MEDHI16:
6098 case R_SH_GOTPLT_HI16:
6099 case R_SH_GOTPLT10BY4:
6100 case R_SH_GOTPLT10BY8:
6101 case R_SH_GOT_LOW16:
6102 case R_SH_GOT_MEDLOW16:
6103 case R_SH_GOT_MEDHI16:
6107 case R_SH_GOTOFF_LOW16:
6108 case R_SH_GOTOFF_MEDLOW16:
6109 case R_SH_GOTOFF_MEDHI16:
6110 case R_SH_GOTOFF_HI16:
6111 case R_SH_GOTPC_LOW16:
6112 case R_SH_GOTPC_MEDLOW16:
6113 case R_SH_GOTPC_MEDHI16:
6114 case R_SH_GOTPC_HI16:
6116 case R_SH_TLS_GD_32:
6117 case R_SH_TLS_LD_32:
6118 case R_SH_TLS_IE_32:
6119 if (htab->root.dynobj == NULL)
6120 htab->root.dynobj = abfd;
6121 if (!create_got_section (htab->root.dynobj, info))
6132 /* This relocation describes the C++ object vtable hierarchy.
6133 Reconstruct it for later use during GC. */
6134 case R_SH_GNU_VTINHERIT:
6135 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
6139 /* This relocation describes which C++ vtable entries are actually
6140 used. Record for later use during GC. */
6141 case R_SH_GNU_VTENTRY:
6142 BFD_ASSERT (h != NULL);
6144 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
6148 case R_SH_TLS_IE_32:
6150 info->flags |= DF_STATIC_TLS;
6154 case R_SH_TLS_GD_32:
6157 #ifdef INCLUDE_SHMEDIA
6158 case R_SH_GOT_LOW16:
6159 case R_SH_GOT_MEDLOW16:
6160 case R_SH_GOT_MEDHI16:
6165 case R_SH_GOTFUNCDESC:
6166 case R_SH_GOTFUNCDESC20:
6170 got_type = GOT_NORMAL;
6172 case R_SH_TLS_GD_32:
6173 got_type = GOT_TLS_GD;
6175 case R_SH_TLS_IE_32:
6176 got_type = GOT_TLS_IE;
6178 case R_SH_GOTFUNCDESC:
6179 case R_SH_GOTFUNCDESC20:
6180 got_type = GOT_FUNCDESC;
6186 #ifdef INCLUDE_SHMEDIA
6187 if (seen_stt_datalabel)
6189 struct elf_sh_link_hash_entry *eh
6190 = (struct elf_sh_link_hash_entry *) h;
6192 eh->datalabel_got.refcount += 1;
6196 h->got.refcount += 1;
6197 old_got_type = sh_elf_hash_entry (h)->got_type;
6201 bfd_signed_vma *local_got_refcounts;
6203 /* This is a global offset table entry for a local
6205 local_got_refcounts = elf_local_got_refcounts (abfd);
6206 if (local_got_refcounts == NULL)
6210 size = symtab_hdr->sh_info;
6211 size *= sizeof (bfd_signed_vma);
6212 #ifdef INCLUDE_SHMEDIA
6213 /* Reserve space for both the datalabel and
6214 codelabel local GOT offsets. */
6217 size += symtab_hdr->sh_info;
6218 local_got_refcounts = ((bfd_signed_vma *)
6219 bfd_zalloc (abfd, size));
6220 if (local_got_refcounts == NULL)
6222 elf_local_got_refcounts (abfd) = local_got_refcounts;
6223 #ifdef INCLUDE_SHMEDIA
6224 /* Take care of both the datalabel and codelabel local
6226 sh_elf_local_got_type (abfd)
6227 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6229 sh_elf_local_got_type (abfd)
6230 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6233 #ifdef INCLUDE_SHMEDIA
6234 if (rel->r_addend & 1)
6235 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6238 local_got_refcounts[r_symndx] += 1;
6239 old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
6242 /* If a TLS symbol is accessed using IE at least once,
6243 there is no point to use dynamic model for it. */
6244 if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
6245 && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
6247 if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
6248 got_type = GOT_TLS_IE;
6251 if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
6252 && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
6253 (*_bfd_error_handler)
6254 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6255 abfd, h->root.root.string);
6256 else if (old_got_type == GOT_FUNCDESC
6257 || got_type == GOT_FUNCDESC)
6258 (*_bfd_error_handler)
6259 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6260 abfd, h->root.root.string);
6262 (*_bfd_error_handler)
6263 (_("%B: `%s' accessed both as normal and thread local symbol"),
6264 abfd, h->root.root.string);
6269 if (old_got_type != got_type)
6272 sh_elf_hash_entry (h)->got_type = got_type;
6274 sh_elf_local_got_type (abfd) [r_symndx] = got_type;
6279 case R_SH_TLS_LD_32:
6280 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
6284 case R_SH_GOTOFFFUNCDESC:
6285 case R_SH_GOTOFFFUNCDESC20:
6288 (*_bfd_error_handler)
6289 (_("%B: Function descriptor relocation with non-zero addend"),
6296 union gotref *local_funcdesc;
6298 /* We need a function descriptor for a local symbol. */
6299 local_funcdesc = sh_elf_local_funcdesc (abfd);
6300 if (local_funcdesc == NULL)
6304 size = symtab_hdr->sh_info * sizeof (union gotref);
6305 #ifdef INCLUDE_SHMEDIA
6306 /* Count datalabel local GOT. */
6309 local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
6310 if (local_funcdesc == NULL)
6312 sh_elf_local_funcdesc (abfd) = local_funcdesc;
6314 local_funcdesc[r_symndx].refcount += 1;
6316 if (r_type == R_SH_FUNCDESC)
6319 htab->srofixup->size += 4;
6321 htab->srelgot->size += sizeof (Elf32_External_Rela);
6326 sh_elf_hash_entry (h)->funcdesc.refcount++;
6327 if (r_type == R_SH_FUNCDESC)
6328 sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
6330 /* If there is a function descriptor reference, then
6331 there should not be any non-FDPIC references. */
6332 old_got_type = sh_elf_hash_entry (h)->got_type;
6333 if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
6335 if (old_got_type == GOT_NORMAL)
6336 (*_bfd_error_handler)
6337 (_("%B: `%s' accessed both as normal and FDPIC symbol"),
6338 abfd, h->root.root.string);
6340 (*_bfd_error_handler)
6341 (_("%B: `%s' accessed both as FDPIC and thread local symbol"),
6342 abfd, h->root.root.string);
6348 #ifdef INCLUDE_SHMEDIA
6349 case R_SH_GOTPLT_LOW16:
6350 case R_SH_GOTPLT_MEDLOW16:
6351 case R_SH_GOTPLT_MEDHI16:
6352 case R_SH_GOTPLT_HI16:
6353 case R_SH_GOTPLT10BY4:
6354 case R_SH_GOTPLT10BY8:
6356 /* If this is a local symbol, we resolve it directly without
6357 creating a procedure linkage table entry. */
6363 || h->dynindx == -1)
6367 h->plt.refcount += 1;
6368 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
6373 #ifdef INCLUDE_SHMEDIA
6374 case R_SH_PLT_LOW16:
6375 case R_SH_PLT_MEDLOW16:
6376 case R_SH_PLT_MEDHI16:
6379 /* This symbol requires a procedure linkage table entry. We
6380 actually build the entry in adjust_dynamic_symbol,
6381 because this might be a case of linking PIC code which is
6382 never referenced by a dynamic object, in which case we
6383 don't need to generate a procedure linkage table entry
6386 /* If this is a local symbol, we resolve it directly without
6387 creating a procedure linkage table entry. */
6391 if (h->forced_local)
6395 h->plt.refcount += 1;
6400 #ifdef INCLUDE_SHMEDIA
6401 case R_SH_IMM_LOW16_PCREL:
6402 case R_SH_IMM_MEDLOW16_PCREL:
6403 case R_SH_IMM_MEDHI16_PCREL:
6404 case R_SH_IMM_HI16_PCREL:
6406 if (h != NULL && ! info->shared)
6409 h->plt.refcount += 1;
6412 /* If we are creating a shared library, and this is a reloc
6413 against a global symbol, or a non PC relative reloc
6414 against a local symbol, then we need to copy the reloc
6415 into the shared library. However, if we are linking with
6416 -Bsymbolic, we do not need to copy a reloc against a
6417 global symbol which is defined in an object we are
6418 including in the link (i.e., DEF_REGULAR is set). At
6419 this point we have not seen all the input files, so it is
6420 possible that DEF_REGULAR is not set now but will be set
6421 later (it is never cleared). We account for that
6422 possibility below by storing information in the
6423 dyn_relocs field of the hash table entry. A similar
6424 situation occurs when creating shared libraries and symbol
6425 visibility changes render the symbol local.
6427 If on the other hand, we are creating an executable, we
6428 may need to keep relocations for symbols satisfied by a
6429 dynamic library if we manage to avoid copy relocs for the
6432 && (sec->flags & SEC_ALLOC) != 0
6433 && (r_type != R_SH_REL32
6435 && (! info->symbolic
6436 || h->root.type == bfd_link_hash_defweak
6437 || !h->def_regular))))
6439 && (sec->flags & SEC_ALLOC) != 0
6441 && (h->root.type == bfd_link_hash_defweak
6442 || !h->def_regular)))
6444 struct elf_sh_dyn_relocs *p;
6445 struct elf_sh_dyn_relocs **head;
6447 if (htab->root.dynobj == NULL)
6448 htab->root.dynobj = abfd;
6450 /* When creating a shared object, we must copy these
6451 reloc types into the output file. We create a reloc
6452 section in dynobj and make room for this reloc. */
6455 sreloc = _bfd_elf_make_dynamic_reloc_section
6456 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
6462 /* If this is a global symbol, we count the number of
6463 relocations we need for this symbol. */
6465 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6468 /* Track dynamic relocs needed for local syms too. */
6471 Elf_Internal_Sym *isym;
6473 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
6478 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
6482 vpp = &elf_section_data (s)->local_dynrel;
6483 head = (struct elf_sh_dyn_relocs **) vpp;
6487 if (p == NULL || p->sec != sec)
6489 bfd_size_type amt = sizeof (*p);
6490 p = bfd_alloc (htab->root.dynobj, amt);
6501 if (r_type == R_SH_REL32
6502 #ifdef INCLUDE_SHMEDIA
6503 || r_type == R_SH_IMM_LOW16_PCREL
6504 || r_type == R_SH_IMM_MEDLOW16_PCREL
6505 || r_type == R_SH_IMM_MEDHI16_PCREL
6506 || r_type == R_SH_IMM_HI16_PCREL
6512 /* Allocate the fixup regardless of whether we need a relocation.
6513 If we end up generating the relocation, we'll unallocate the
6515 if (htab->fdpic_p && !info->shared
6516 && r_type == R_SH_DIR32
6517 && (sec->flags & SEC_ALLOC) != 0)
6518 htab->srofixup->size += 4;
6521 case R_SH_TLS_LE_32:
6522 if (info->shared && !info->pie)
6524 (*_bfd_error_handler)
6525 (_("%B: TLS local exec code cannot be linked into shared objects"),
6532 case R_SH_TLS_LDO_32:
6533 /* Nothing to do. */
6544 #ifndef sh_elf_set_mach_from_flags
6545 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6548 sh_elf_set_mach_from_flags (bfd *abfd)
6550 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6552 if (flags >= sizeof(sh_ef_bfd_table))
6555 if (sh_ef_bfd_table[flags] == 0)
6558 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
6564 /* Reverse table lookup for sh_ef_bfd_table[].
6565 Given a bfd MACH value from archures.c
6566 return the equivalent ELF flags from the table.
6567 Return -1 if no match is found. */
6570 sh_elf_get_flags_from_mach (unsigned long mach)
6572 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
6575 if (sh_ef_bfd_table[i] == mach)
6578 /* shouldn't get here */
6583 #endif /* not sh_elf_set_mach_from_flags */
6585 #ifndef sh_elf_copy_private_data
6586 /* Copy backend specific data from one object module to another */
6589 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
6591 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6594 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
6597 return sh_elf_set_mach_from_flags (obfd);
6599 #endif /* not sh_elf_copy_private_data */
6601 #ifndef sh_elf_merge_private_data
6603 /* This function returns the ELF architecture number that
6604 corresponds to the given arch_sh* flags. */
6607 sh_find_elf_flags (unsigned int arch_set)
6609 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
6610 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
6612 return sh_elf_get_flags_from_mach (bfd_mach);
6615 /* This routine initialises the elf flags when required and
6616 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
6619 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6621 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6623 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
6626 if (! elf_flags_init (obfd))
6628 /* This happens when ld starts out with a 'blank' output file. */
6629 elf_flags_init (obfd) = TRUE;
6630 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
6631 sh_elf_set_mach_from_flags (obfd);
6632 if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
6633 elf_elfheader (obfd)->e_flags |= EF_SH_PIC;
6636 if (! sh_merge_bfd_arch (ibfd, obfd))
6638 _bfd_error_handler ("%B: uses instructions which are incompatible "
6639 "with instructions used in previous modules",
6641 bfd_set_error (bfd_error_bad_value);
6645 elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
6646 elf_elfheader (obfd)->e_flags |=
6647 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
6649 if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
6651 _bfd_error_handler ("%B: attempt to mix FDPIC and non-FDPIC objects",
6653 bfd_set_error (bfd_error_bad_value);
6659 #endif /* not sh_elf_merge_private_data */
6661 /* Override the generic function because we need to store sh_elf_obj_tdata
6662 as the specific tdata. We set also the machine architecture from flags
6666 sh_elf_object_p (bfd *abfd)
6668 if (! sh_elf_set_mach_from_flags (abfd))
6671 return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
6672 == fdpic_object_p (abfd));
6675 /* Finish up dynamic symbol handling. We set the contents of various
6676 dynamic sections here. */
6679 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6680 struct elf_link_hash_entry *h,
6681 Elf_Internal_Sym *sym)
6683 struct elf_sh_link_hash_table *htab;
6685 htab = sh_elf_hash_table (info);
6689 if (h->plt.offset != (bfd_vma) -1)
6697 Elf_Internal_Rela rel;
6699 const struct elf_sh_plt_info *plt_info;
6701 /* This symbol has an entry in the procedure linkage table. Set
6704 BFD_ASSERT (h->dynindx != -1);
6707 sgotplt = htab->sgotplt;
6708 srelplt = htab->srelplt;
6709 BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
6711 /* Get the index in the procedure linkage table which
6712 corresponds to this symbol. This is the index of this symbol
6713 in all the symbols for which we are making plt entries. The
6714 first entry in the procedure linkage table is reserved. */
6715 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
6717 plt_info = htab->plt_info;
6718 if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
6719 plt_info = plt_info->short_plt;
6721 /* Get the offset into the .got table of the entry that
6722 corresponds to this function. */
6724 /* The offset must be relative to the GOT symbol, twelve bytes
6725 before the end of .got.plt. Each descriptor is eight
6727 got_offset = plt_index * 8 + 12 - sgotplt->size;
6729 /* Each .got entry is 4 bytes. The first three are
6731 got_offset = (plt_index + 3) * 4;
6735 got_offset -= GOT_BIAS;
6738 /* Fill in the entry in the procedure linkage table. */
6739 memcpy (splt->contents + h->plt.offset,
6740 plt_info->symbol_entry,
6741 plt_info->symbol_entry_size);
6743 if (info->shared || htab->fdpic_p)
6745 if (plt_info->symbol_fields.got20)
6747 bfd_reloc_status_type r;
6748 r = install_movi20_field (output_bfd, got_offset,
6749 splt->owner, splt, splt->contents,
6751 + plt_info->symbol_fields.got_entry);
6752 BFD_ASSERT (r == bfd_reloc_ok);
6755 install_plt_field (output_bfd, FALSE, got_offset,
6758 + plt_info->symbol_fields.got_entry));
6762 BFD_ASSERT (!plt_info->symbol_fields.got20);
6764 install_plt_field (output_bfd, FALSE,
6765 (sgotplt->output_section->vma
6766 + sgotplt->output_offset
6770 + plt_info->symbol_fields.got_entry));
6771 if (htab->vxworks_p)
6773 unsigned int reachable_plts, plts_per_4k;
6776 /* Divide the PLT into groups. The first group contains
6777 REACHABLE_PLTS entries and the other groups contain
6778 PLTS_PER_4K entries. Entries in the first group can
6779 branch directly to .plt; those in later groups branch
6780 to the last element of the previous group. */
6781 /* ??? It would be better to create multiple copies of
6782 the common resolver stub. */
6783 reachable_plts = ((4096
6784 - plt_info->plt0_entry_size
6785 - (plt_info->symbol_fields.plt + 4))
6786 / plt_info->symbol_entry_size) + 1;
6787 plts_per_4k = (4096 / plt_info->symbol_entry_size);
6788 if (plt_index < reachable_plts)
6789 distance = -(h->plt.offset
6790 + plt_info->symbol_fields.plt);
6792 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
6793 * plt_info->symbol_entry_size);
6795 /* Install the 'bra' with this offset. */
6796 bfd_put_16 (output_bfd,
6797 0xa000 | (0x0fff & ((distance - 4) / 2)),
6800 + plt_info->symbol_fields.plt));
6803 install_plt_field (output_bfd, TRUE,
6804 splt->output_section->vma + splt->output_offset,
6807 + plt_info->symbol_fields.plt));
6810 /* Make got_offset relative to the start of .got.plt. */
6813 got_offset += GOT_BIAS;
6816 got_offset = plt_index * 8;
6818 if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
6819 install_plt_field (output_bfd, FALSE,
6820 plt_index * sizeof (Elf32_External_Rela),
6823 + plt_info->symbol_fields.reloc_offset));
6825 /* Fill in the entry in the global offset table. */
6826 bfd_put_32 (output_bfd,
6827 (splt->output_section->vma
6828 + splt->output_offset
6830 + plt_info->symbol_resolve_offset),
6831 sgotplt->contents + got_offset);
6833 bfd_put_32 (output_bfd,
6834 sh_elf_osec_to_segment (output_bfd,
6835 htab->splt->output_section),
6836 sgotplt->contents + got_offset + 4);
6838 /* Fill in the entry in the .rela.plt section. */
6839 rel.r_offset = (sgotplt->output_section->vma
6840 + sgotplt->output_offset
6843 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
6845 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
6848 rel.r_addend = GOT_BIAS;
6850 loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
6851 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6853 if (htab->vxworks_p && !info->shared)
6855 /* Create the .rela.plt.unloaded relocations for this PLT entry.
6856 Begin by pointing LOC to the first such relocation. */
6857 loc = (htab->srelplt2->contents
6858 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
6860 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
6861 for the PLT entry's pointer to the .got.plt entry. */
6862 rel.r_offset = (htab->splt->output_section->vma
6863 + htab->splt->output_offset
6865 + plt_info->symbol_fields.got_entry);
6866 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
6867 rel.r_addend = got_offset;
6868 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6869 loc += sizeof (Elf32_External_Rela);
6871 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
6872 the .got.plt entry, which initially points to .plt. */
6873 rel.r_offset = (sgotplt->output_section->vma
6874 + sgotplt->output_offset
6876 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
6878 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
6881 if (!h->def_regular)
6883 /* Mark the symbol as undefined, rather than as defined in
6884 the .plt section. Leave the value alone. */
6885 sym->st_shndx = SHN_UNDEF;
6889 if (h->got.offset != (bfd_vma) -1
6890 && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
6891 && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
6892 && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
6896 Elf_Internal_Rela rel;
6899 /* This symbol has an entry in the global offset table. Set it
6903 srelgot = htab->srelgot;
6904 BFD_ASSERT (sgot != NULL && srelgot != NULL);
6906 rel.r_offset = (sgot->output_section->vma
6907 + sgot->output_offset
6908 + (h->got.offset &~ (bfd_vma) 1));
6910 /* If this is a static link, or it is a -Bsymbolic link and the
6911 symbol is defined locally or was forced to be local because
6912 of a version file, we just want to emit a RELATIVE reloc.
6913 The entry in the global offset table will already have been
6914 initialized in the relocate_section function. */
6916 && SYMBOL_REFERENCES_LOCAL (info, h))
6920 asection *sec = h->root.u.def.section;
6922 = elf_section_data (sec->output_section)->dynindx;
6924 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6925 rel.r_addend = (h->root.u.def.value
6926 + h->root.u.def.section->output_offset);
6930 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6931 rel.r_addend = (h->root.u.def.value
6932 + h->root.u.def.section->output_section->vma
6933 + h->root.u.def.section->output_offset);
6938 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6939 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6943 loc = srelgot->contents;
6944 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
6945 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6948 #ifdef INCLUDE_SHMEDIA
6950 struct elf_sh_link_hash_entry *eh;
6952 eh = (struct elf_sh_link_hash_entry *) h;
6953 if (eh->datalabel_got.offset != (bfd_vma) -1)
6957 Elf_Internal_Rela rel;
6960 /* This symbol has a datalabel entry in the global offset table.
6964 srelgot = htab->srelgot;
6965 BFD_ASSERT (sgot != NULL && srelgot != NULL);
6967 rel.r_offset = (sgot->output_section->vma
6968 + sgot->output_offset
6969 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6971 /* If this is a static link, or it is a -Bsymbolic link and the
6972 symbol is defined locally or was forced to be local because
6973 of a version file, we just want to emit a RELATIVE reloc.
6974 The entry in the global offset table will already have been
6975 initialized in the relocate_section function. */
6977 && SYMBOL_REFERENCES_LOCAL (info, h))
6981 asection *sec = h->root.u.def.section;
6983 = elf_section_data (sec->output_section)->dynindx;
6985 rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
6986 rel.r_addend = (h->root.u.def.value
6987 + h->root.u.def.section->output_offset);
6991 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6992 rel.r_addend = (h->root.u.def.value
6993 + h->root.u.def.section->output_section->vma
6994 + h->root.u.def.section->output_offset);
6999 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7000 + eh->datalabel_got.offset);
7001 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7005 loc = srelgot->contents;
7006 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
7007 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7015 Elf_Internal_Rela rel;
7018 /* This symbol needs a copy reloc. Set it up. */
7020 BFD_ASSERT (h->dynindx != -1
7021 && (h->root.type == bfd_link_hash_defined
7022 || h->root.type == bfd_link_hash_defweak));
7024 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
7025 BFD_ASSERT (s != NULL);
7027 rel.r_offset = (h->root.u.def.value
7028 + h->root.u.def.section->output_section->vma
7029 + h->root.u.def.section->output_offset);
7030 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7032 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7033 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7036 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
7037 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
7039 if (h == htab->root.hdynamic
7040 || (!htab->vxworks_p && h == htab->root.hgot))
7041 sym->st_shndx = SHN_ABS;
7046 /* Finish up the dynamic sections. */
7049 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
7051 struct elf_sh_link_hash_table *htab;
7055 htab = sh_elf_hash_table (info);
7059 sgotplt = htab->sgotplt;
7060 sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
7062 if (htab->root.dynamic_sections_created)
7065 Elf32_External_Dyn *dyncon, *dynconend;
7067 BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
7069 dyncon = (Elf32_External_Dyn *) sdyn->contents;
7070 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
7071 for (; dyncon < dynconend; dyncon++)
7073 Elf_Internal_Dyn dyn;
7075 #ifdef INCLUDE_SHMEDIA
7079 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
7085 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
7086 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7089 #ifdef INCLUDE_SHMEDIA
7091 name = info->init_function;
7095 name = info->fini_function;
7097 if (dyn.d_un.d_val != 0)
7099 struct elf_link_hash_entry *h;
7101 h = elf_link_hash_lookup (&htab->root, name,
7102 FALSE, FALSE, TRUE);
7103 if (h != NULL && (h->other & STO_SH5_ISA32))
7105 dyn.d_un.d_val |= 1;
7106 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7113 BFD_ASSERT (htab->root.hgot != NULL);
7114 s = htab->root.hgot->root.u.def.section;
7115 dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
7116 + s->output_section->vma + s->output_offset;
7117 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7121 s = htab->srelplt->output_section;
7122 BFD_ASSERT (s != NULL);
7123 dyn.d_un.d_ptr = s->vma;
7124 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7128 s = htab->srelplt->output_section;
7129 BFD_ASSERT (s != NULL);
7130 dyn.d_un.d_val = s->size;
7131 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7135 /* My reading of the SVR4 ABI indicates that the
7136 procedure linkage table relocs (DT_JMPREL) should be
7137 included in the overall relocs (DT_RELA). This is
7138 what Solaris does. However, UnixWare can not handle
7139 that case. Therefore, we override the DT_RELASZ entry
7140 here to make it not include the JMPREL relocs. Since
7141 the linker script arranges for .rela.plt to follow all
7142 other relocation sections, we don't have to worry
7143 about changing the DT_RELA entry. */
7144 if (htab->srelplt != NULL)
7146 s = htab->srelplt->output_section;
7147 dyn.d_un.d_val -= s->size;
7149 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7154 /* Fill in the first entry in the procedure linkage table. */
7156 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
7160 memcpy (splt->contents,
7161 htab->plt_info->plt0_entry,
7162 htab->plt_info->plt0_entry_size);
7163 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
7164 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
7165 install_plt_field (output_bfd, FALSE,
7166 (sgotplt->output_section->vma
7167 + sgotplt->output_offset
7170 + htab->plt_info->plt0_got_fields[i]));
7172 if (htab->vxworks_p)
7174 /* Finalize the .rela.plt.unloaded contents. */
7175 Elf_Internal_Rela rel;
7178 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
7179 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
7180 loc = htab->srelplt2->contents;
7181 rel.r_offset = (splt->output_section->vma
7182 + splt->output_offset
7183 + htab->plt_info->plt0_got_fields[2]);
7184 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
7186 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7187 loc += sizeof (Elf32_External_Rela);
7189 /* Fix up the remaining .rela.plt.unloaded relocations.
7190 They may have the wrong symbol index for _G_O_T_ or
7191 _P_L_T_ depending on the order in which symbols were
7193 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
7195 /* The PLT entry's pointer to the .got.plt slot. */
7196 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7197 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
7199 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7200 loc += sizeof (Elf32_External_Rela);
7202 /* The .got.plt slot's pointer to .plt. */
7203 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
7204 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
7206 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
7207 loc += sizeof (Elf32_External_Rela);
7211 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7212 really seem like the right value. */
7213 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7217 /* Fill in the first three entries in the global offset table. */
7218 if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
7221 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
7223 bfd_put_32 (output_bfd,
7224 sdyn->output_section->vma + sdyn->output_offset,
7226 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
7227 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
7230 if (sgotplt && sgotplt->size > 0)
7231 elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
7233 /* At the very end of the .rofixup section is a pointer to the GOT. */
7234 if (htab->fdpic_p && htab->srofixup != NULL)
7236 struct elf_link_hash_entry *hgot = htab->root.hgot;
7237 bfd_vma got_value = hgot->root.u.def.value
7238 + hgot->root.u.def.section->output_section->vma
7239 + hgot->root.u.def.section->output_offset;
7241 sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
7243 /* Make sure we allocated and generated the same number of fixups. */
7244 BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
7247 if (htab->srelfuncdesc)
7248 BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
7249 == htab->srelfuncdesc->size);
7252 BFD_ASSERT (htab->srelgot->reloc_count * sizeof (Elf32_External_Rela)
7253 == htab->srelgot->size);
7258 static enum elf_reloc_type_class
7259 sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
7260 const asection *rel_sec ATTRIBUTE_UNUSED,
7261 const Elf_Internal_Rela *rela)
7263 switch ((int) ELF32_R_TYPE (rela->r_info))
7266 return reloc_class_relative;
7268 return reloc_class_plt;
7270 return reloc_class_copy;
7272 return reloc_class_normal;
7276 #if !defined SH_TARGET_ALREADY_DEFINED
7277 /* Support for Linux core dump NOTE sections. */
7280 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
7285 switch (note->descsz)
7290 case 168: /* Linux/SH */
7292 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
7295 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
7304 /* Make a ".reg/999" section. */
7305 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
7306 size, note->descpos + offset);
7310 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
7312 switch (note->descsz)
7317 case 124: /* Linux/SH elf_prpsinfo */
7318 elf_tdata (abfd)->core->program
7319 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7320 elf_tdata (abfd)->core->command
7321 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7324 /* Note that for some reason, a spurious space is tacked
7325 onto the end of the args in some (at least one anyway)
7326 implementations, so strip it off if it exists. */
7329 char *command = elf_tdata (abfd)->core->command;
7330 int n = strlen (command);
7332 if (0 < n && command[n - 1] == ' ')
7333 command[n - 1] = '\0';
7338 #endif /* not SH_TARGET_ALREADY_DEFINED */
7341 /* Return address for Ith PLT stub in section PLT, for relocation REL
7342 or (bfd_vma) -1 if it should not be included. */
7345 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7346 const arelent *rel ATTRIBUTE_UNUSED)
7348 const struct elf_sh_plt_info *plt_info;
7350 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
7351 return plt->vma + get_plt_offset (plt_info, i);
7354 /* Decide whether to attempt to turn absptr or lsda encodings in
7355 shared libraries into pcrel within the given input section. */
7358 sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
7359 struct bfd_link_info *info,
7360 asection *eh_frame_section ATTRIBUTE_UNUSED)
7362 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7364 /* We can't use PC-relative encodings in FDPIC binaries, in general. */
7371 /* Adjust the contents of an eh_frame_hdr section before they're output. */
7374 sh_elf_encode_eh_address (bfd *abfd,
7375 struct bfd_link_info *info,
7376 asection *osec, bfd_vma offset,
7377 asection *loc_sec, bfd_vma loc_offset,
7380 struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
7381 struct elf_link_hash_entry *h;
7384 return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
7385 loc_offset, encoded);
7387 h = htab->root.hgot;
7388 BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
7390 if (! h || (sh_elf_osec_to_segment (abfd, osec)
7391 == sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
7392 return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
7393 loc_sec, loc_offset, encoded);
7395 BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
7396 == (sh_elf_osec_to_segment
7397 (abfd, h->root.u.def.section->output_section)));
7399 *encoded = osec->vma + offset
7400 - (h->root.u.def.value
7401 + h->root.u.def.section->output_section->vma
7402 + h->root.u.def.section->output_offset);
7404 return DW_EH_PE_datarel | DW_EH_PE_sdata4;
7407 #if !defined SH_TARGET_ALREADY_DEFINED
7408 #define TARGET_BIG_SYM sh_elf32_vec
7409 #define TARGET_BIG_NAME "elf32-sh"
7410 #define TARGET_LITTLE_SYM sh_elf32_le_vec
7411 #define TARGET_LITTLE_NAME "elf32-shl"
7414 #define ELF_ARCH bfd_arch_sh
7415 #define ELF_TARGET_ID SH_ELF_DATA
7416 #define ELF_MACHINE_CODE EM_SH
7417 #ifdef __QNXTARGET__
7418 #define ELF_MAXPAGESIZE 0x1000
7420 #define ELF_MAXPAGESIZE 0x80
7423 #define elf_symbol_leading_char '_'
7425 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
7426 #define bfd_elf32_bfd_reloc_name_lookup \
7427 sh_elf_reloc_name_lookup
7428 #define elf_info_to_howto sh_elf_info_to_howto
7429 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
7430 #define elf_backend_relocate_section sh_elf_relocate_section
7431 #define bfd_elf32_bfd_get_relocated_section_contents \
7432 sh_elf_get_relocated_section_contents
7433 #define bfd_elf32_mkobject sh_elf_mkobject
7434 #define elf_backend_object_p sh_elf_object_p
7435 #define bfd_elf32_bfd_copy_private_bfd_data \
7436 sh_elf_copy_private_data
7437 #define bfd_elf32_bfd_merge_private_bfd_data \
7438 sh_elf_merge_private_data
7440 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7441 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7442 #define elf_backend_check_relocs sh_elf_check_relocs
7443 #define elf_backend_copy_indirect_symbol \
7444 sh_elf_copy_indirect_symbol
7445 #define elf_backend_create_dynamic_sections \
7446 sh_elf_create_dynamic_sections
7447 #define bfd_elf32_bfd_link_hash_table_create \
7448 sh_elf_link_hash_table_create
7449 #define elf_backend_adjust_dynamic_symbol \
7450 sh_elf_adjust_dynamic_symbol
7451 #define elf_backend_always_size_sections \
7452 sh_elf_always_size_sections
7453 #define elf_backend_size_dynamic_sections \
7454 sh_elf_size_dynamic_sections
7455 #define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
7456 #define elf_backend_finish_dynamic_symbol \
7457 sh_elf_finish_dynamic_symbol
7458 #define elf_backend_finish_dynamic_sections \
7459 sh_elf_finish_dynamic_sections
7460 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
7461 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
7462 #define elf_backend_can_make_relative_eh_frame \
7463 sh_elf_use_relative_eh_frame
7464 #define elf_backend_can_make_lsda_relative_eh_frame \
7465 sh_elf_use_relative_eh_frame
7466 #define elf_backend_encode_eh_address \
7467 sh_elf_encode_eh_address
7469 #define elf_backend_stack_align 8
7470 #define elf_backend_can_gc_sections 1
7471 #define elf_backend_can_refcount 1
7472 #define elf_backend_want_got_plt 1
7473 #define elf_backend_plt_readonly 1
7474 #define elf_backend_want_plt_sym 0
7475 #define elf_backend_got_header_size 12
7477 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
7479 #include "elf32-target.h"
7481 /* NetBSD support. */
7482 #undef TARGET_BIG_SYM
7483 #define TARGET_BIG_SYM sh_elf32_nbsd_vec
7484 #undef TARGET_BIG_NAME
7485 #define TARGET_BIG_NAME "elf32-sh-nbsd"
7486 #undef TARGET_LITTLE_SYM
7487 #define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec
7488 #undef TARGET_LITTLE_NAME
7489 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7490 #undef ELF_MAXPAGESIZE
7491 #define ELF_MAXPAGESIZE 0x10000
7492 #undef ELF_COMMONPAGESIZE
7493 #undef elf_symbol_leading_char
7494 #define elf_symbol_leading_char 0
7496 #define elf32_bed elf32_sh_nbsd_bed
7498 #include "elf32-target.h"
7501 /* Linux support. */
7502 #undef TARGET_BIG_SYM
7503 #define TARGET_BIG_SYM sh_elf32_linux_be_vec
7504 #undef TARGET_BIG_NAME
7505 #define TARGET_BIG_NAME "elf32-shbig-linux"
7506 #undef TARGET_LITTLE_SYM
7507 #define TARGET_LITTLE_SYM sh_elf32_linux_vec
7508 #undef TARGET_LITTLE_NAME
7509 #define TARGET_LITTLE_NAME "elf32-sh-linux"
7510 #undef ELF_COMMONPAGESIZE
7511 #define ELF_COMMONPAGESIZE 0x1000
7513 #undef elf_backend_grok_prstatus
7514 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7515 #undef elf_backend_grok_psinfo
7516 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
7518 #define elf32_bed elf32_sh_lin_bed
7520 #include "elf32-target.h"
7523 /* FDPIC support. */
7524 #undef TARGET_BIG_SYM
7525 #define TARGET_BIG_SYM sh_elf32_fdpic_be_vec
7526 #undef TARGET_BIG_NAME
7527 #define TARGET_BIG_NAME "elf32-shbig-fdpic"
7528 #undef TARGET_LITTLE_SYM
7529 #define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec
7530 #undef TARGET_LITTLE_NAME
7531 #define TARGET_LITTLE_NAME "elf32-sh-fdpic"
7534 #define elf32_bed elf32_sh_fd_bed
7536 #include "elf32-target.h"
7538 #undef elf_backend_modify_program_headers
7540 /* VxWorks support. */
7541 #undef TARGET_BIG_SYM
7542 #define TARGET_BIG_SYM sh_elf32_vxworks_vec
7543 #undef TARGET_BIG_NAME
7544 #define TARGET_BIG_NAME "elf32-sh-vxworks"
7545 #undef TARGET_LITTLE_SYM
7546 #define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec
7547 #undef TARGET_LITTLE_NAME
7548 #define TARGET_LITTLE_NAME "elf32-shl-vxworks"
7550 #define elf32_bed elf32_sh_vxworks_bed
7552 #undef elf_backend_want_plt_sym
7553 #define elf_backend_want_plt_sym 1
7554 #undef elf_symbol_leading_char
7555 #define elf_symbol_leading_char '_'
7556 #define elf_backend_want_got_underscore 1
7557 #undef elf_backend_grok_prstatus
7558 #undef elf_backend_grok_psinfo
7559 #undef elf_backend_add_symbol_hook
7560 #define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
7561 #undef elf_backend_link_output_symbol_hook
7562 #define elf_backend_link_output_symbol_hook \
7563 elf_vxworks_link_output_symbol_hook
7564 #undef elf_backend_emit_relocs
7565 #define elf_backend_emit_relocs elf_vxworks_emit_relocs
7566 #undef elf_backend_final_write_processing
7567 #define elf_backend_final_write_processing \
7568 elf_vxworks_final_write_processing
7569 #undef ELF_MAXPAGESIZE
7570 #define ELF_MAXPAGESIZE 0x1000
7571 #undef ELF_COMMONPAGESIZE
7573 #include "elf32-target.h"
7575 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */