1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2006, 2007, 2008 Free Software Foundation, Inc.
4 Contributed by Ian Lance Taylor, Cygnus Support.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
28 #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 #define MINUS_ONE ((bfd_vma) 0 - 1)
59 #define SH_PARTIAL32 TRUE
60 #define SH_SRC_MASK32 0xffffffff
61 #define SH_ELF_RELOC sh_elf_reloc
62 static reloc_howto_type sh_elf_howto_table[] =
64 #include "elf32-sh-relocs.h"
67 #define SH_PARTIAL32 FALSE
68 #define SH_SRC_MASK32 0
69 #define SH_ELF_RELOC bfd_elf_generic_reloc
70 static reloc_howto_type sh_vxworks_howto_table[] =
72 #include "elf32-sh-relocs.h"
75 /* Return true if OUTPUT_BFD is a VxWorks object. */
78 vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
80 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
81 extern const bfd_target bfd_elf32_shlvxworks_vec;
82 extern const bfd_target bfd_elf32_shvxworks_vec;
84 return (abfd->xvec == &bfd_elf32_shlvxworks_vec
85 || abfd->xvec == &bfd_elf32_shvxworks_vec);
91 /* Return the howto table for ABFD. */
93 static reloc_howto_type *
94 get_howto_table (bfd *abfd)
96 if (vxworks_object_p (abfd))
97 return sh_vxworks_howto_table;
98 return sh_elf_howto_table;
101 static bfd_reloc_status_type
102 sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
103 asection *input_section, bfd_byte *contents,
104 bfd_vma addr, asection *symbol_section,
105 bfd_vma start, bfd_vma end)
107 static bfd_vma last_addr;
108 static asection *last_symbol_section;
109 bfd_byte *start_ptr, *ptr, *last_ptr;
114 /* Sanity check the address. */
115 if (addr > bfd_get_section_limit (input_bfd, input_section))
116 return bfd_reloc_outofrange;
118 /* We require the start and end relocations to be processed consecutively -
119 although we allow then to be processed forwards or backwards. */
123 last_symbol_section = symbol_section;
126 if (last_addr != addr)
130 if (! symbol_section || last_symbol_section != symbol_section || end < start)
131 return bfd_reloc_outofrange;
133 /* Get the symbol_section contents. */
134 if (symbol_section != input_section)
136 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
137 contents = elf_section_data (symbol_section)->this_hdr.contents;
140 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
143 if (contents != NULL)
145 return bfd_reloc_outofrange;
149 #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
150 start_ptr = contents + start;
151 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
153 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
156 diff = (last_ptr - ptr) >> 1;
157 cum_diff += diff & 1;
160 /* Calculate the start / end values to load into rs / re minus four -
161 so that will cancel out the four we would otherwise have to add to
162 addr to get the value to subtract in order to get relative addressing. */
166 end = (ptr + cum_diff * 2) - contents;
170 bfd_vma start0 = start - 4;
172 while (start0 && IS_PPI (contents + start0))
174 start0 = start - 2 - ((start - start0) & 2);
175 start = start0 - cum_diff - 2;
180 && elf_section_data (symbol_section)->this_hdr.contents != contents)
183 insn = bfd_get_16 (input_bfd, contents + addr);
185 x = (insn & 0x200 ? end : start) - addr;
186 if (input_section != symbol_section)
187 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
188 - (input_section->output_section->vma
189 + input_section->output_offset));
191 if (x < -128 || x > 127)
192 return bfd_reloc_overflow;
194 x = (insn & ~0xff) | (x & 0xff);
195 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
200 /* This function is used for normal relocs. This used to be like the COFF
201 function, and is almost certainly incorrect for other ELF targets. */
203 static bfd_reloc_status_type
204 sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
205 void *data, asection *input_section, bfd *output_bfd,
206 char **error_message ATTRIBUTE_UNUSED)
210 enum elf_sh_reloc_type r_type;
211 bfd_vma addr = reloc_entry->address;
212 bfd_byte *hit_data = addr + (bfd_byte *) data;
214 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
216 if (output_bfd != NULL)
218 /* Partial linking--do nothing. */
219 reloc_entry->address += input_section->output_offset;
223 /* Almost all relocs have to do with relaxing. If any work must be
224 done for them, it has been done in sh_relax_section. */
225 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
228 if (symbol_in != NULL
229 && bfd_is_und_section (symbol_in->section))
230 return bfd_reloc_undefined;
232 if (bfd_is_com_section (symbol_in->section))
235 sym_value = (symbol_in->value +
236 symbol_in->section->output_section->vma +
237 symbol_in->section->output_offset);
242 insn = bfd_get_32 (abfd, hit_data);
243 insn += sym_value + reloc_entry->addend;
244 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
247 insn = bfd_get_16 (abfd, hit_data);
248 sym_value += reloc_entry->addend;
249 sym_value -= (input_section->output_section->vma
250 + input_section->output_offset
253 sym_value += (insn & 0xfff) << 1;
256 insn = (insn & 0xf000) | (sym_value & 0xfff);
257 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
258 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
259 return bfd_reloc_overflow;
269 /* This function is used for relocs which are only used for relaxing,
270 which the linker should otherwise ignore. */
272 static bfd_reloc_status_type
273 sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
274 asymbol *symbol ATTRIBUTE_UNUSED,
275 void *data ATTRIBUTE_UNUSED, asection *input_section,
277 char **error_message ATTRIBUTE_UNUSED)
279 if (output_bfd != NULL)
280 reloc_entry->address += input_section->output_offset;
284 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
288 bfd_reloc_code_real_type bfd_reloc_val;
289 unsigned char elf_reloc_val;
292 /* An array mapping BFD reloc codes to SH ELF relocs. */
294 static const struct elf_reloc_map sh_reloc_map[] =
296 { BFD_RELOC_NONE, R_SH_NONE },
297 { BFD_RELOC_32, R_SH_DIR32 },
298 { BFD_RELOC_16, R_SH_DIR16 },
299 { BFD_RELOC_8, R_SH_DIR8 },
300 { BFD_RELOC_CTOR, R_SH_DIR32 },
301 { BFD_RELOC_32_PCREL, R_SH_REL32 },
302 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
303 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
304 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
305 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
306 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
307 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
308 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
309 { BFD_RELOC_SH_USES, R_SH_USES },
310 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
311 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
312 { BFD_RELOC_SH_CODE, R_SH_CODE },
313 { BFD_RELOC_SH_DATA, R_SH_DATA },
314 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
315 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
316 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
317 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
318 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
319 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
320 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
321 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
322 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
323 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
324 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
325 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
326 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
327 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
328 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
329 { BFD_RELOC_SH_COPY, R_SH_COPY },
330 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
331 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
332 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
333 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
334 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
335 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
336 #ifdef INCLUDE_SHMEDIA
337 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
338 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
339 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
340 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
341 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
342 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
343 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
344 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
345 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
346 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
347 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
348 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
349 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
350 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
351 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
352 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
353 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
354 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
355 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
356 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
357 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
358 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
359 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
360 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
361 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
362 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
363 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
364 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
365 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
366 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
367 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
368 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
369 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
370 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
371 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
372 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
373 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
374 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
375 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
376 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
377 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
378 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
379 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
380 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
381 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
382 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
383 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
384 { BFD_RELOC_64, R_SH_64 },
385 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
386 #endif /* not INCLUDE_SHMEDIA */
389 /* Given a BFD reloc code, return the howto structure for the
390 corresponding SH ELF reloc. */
392 static reloc_howto_type *
393 sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
397 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
399 if (sh_reloc_map[i].bfd_reloc_val == code)
400 return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
406 static reloc_howto_type *
407 sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
411 if (vxworks_object_p (abfd))
414 i < (sizeof (sh_vxworks_howto_table)
415 / sizeof (sh_vxworks_howto_table[0]));
417 if (sh_vxworks_howto_table[i].name != NULL
418 && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
419 return &sh_vxworks_howto_table[i];
424 i < (sizeof (sh_elf_howto_table)
425 / sizeof (sh_elf_howto_table[0]));
427 if (sh_elf_howto_table[i].name != NULL
428 && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
429 return &sh_elf_howto_table[i];
435 /* Given an ELF reloc, fill in the howto field of a relent. */
438 sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
442 r = ELF32_R_TYPE (dst->r_info);
444 BFD_ASSERT (r < (unsigned int) R_SH_max);
445 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
446 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
447 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
448 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
449 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
451 cache_ptr->howto = get_howto_table (abfd) + r;
454 /* This function handles relaxing for SH ELF. See the corresponding
455 function in coff-sh.c for a description of what this does. FIXME:
456 There is a lot of duplication here between this code and the COFF
457 specific code. The format of relocs and symbols is wound deeply
458 into this code, but it would still be better if the duplication
459 could be eliminated somehow. Note in particular that although both
460 functions use symbols like R_SH_CODE, those symbols have different
461 values; in coff-sh.c they come from include/coff/sh.h, whereas here
462 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
465 sh_elf_relax_section (bfd *abfd, asection *sec,
466 struct bfd_link_info *link_info, bfd_boolean *again)
468 Elf_Internal_Shdr *symtab_hdr;
469 Elf_Internal_Rela *internal_relocs;
470 bfd_boolean have_code;
471 Elf_Internal_Rela *irel, *irelend;
472 bfd_byte *contents = NULL;
473 Elf_Internal_Sym *isymbuf = NULL;
477 if (link_info->relocatable
478 || (sec->flags & SEC_RELOC) == 0
479 || sec->reloc_count == 0)
482 #ifdef INCLUDE_SHMEDIA
483 if (elf_section_data (sec)->this_hdr.sh_flags
484 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
490 symtab_hdr = &elf_symtab_hdr (abfd);
492 internal_relocs = (_bfd_elf_link_read_relocs
493 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
494 link_info->keep_memory));
495 if (internal_relocs == NULL)
500 irelend = internal_relocs + sec->reloc_count;
501 for (irel = internal_relocs; irel < irelend; irel++)
503 bfd_vma laddr, paddr, symval;
505 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
508 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
511 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
514 /* Get the section contents. */
515 if (contents == NULL)
517 if (elf_section_data (sec)->this_hdr.contents != NULL)
518 contents = elf_section_data (sec)->this_hdr.contents;
521 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
526 /* The r_addend field of the R_SH_USES reloc will point us to
527 the register load. The 4 is because the r_addend field is
528 computed as though it were a jump offset, which are based
529 from 4 bytes after the jump instruction. */
530 laddr = irel->r_offset + 4 + irel->r_addend;
531 if (laddr >= sec->size)
533 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
535 (unsigned long) irel->r_offset);
538 insn = bfd_get_16 (abfd, contents + laddr);
540 /* If the instruction is not mov.l NN,rN, we don't know what to
542 if ((insn & 0xf000) != 0xd000)
544 ((*_bfd_error_handler)
545 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
546 abfd, (unsigned long) irel->r_offset, insn));
550 /* Get the address from which the register is being loaded. The
551 displacement in the mov.l instruction is quadrupled. It is a
552 displacement from four bytes after the movl instruction, but,
553 before adding in the PC address, two least significant bits
554 of the PC are cleared. We assume that the section is aligned
555 on a four byte boundary. */
558 paddr += (laddr + 4) &~ (bfd_vma) 3;
559 if (paddr >= sec->size)
561 ((*_bfd_error_handler)
562 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
563 abfd, (unsigned long) irel->r_offset));
567 /* Get the reloc for the address from which the register is
568 being loaded. This reloc will tell us which function is
569 actually being called. */
570 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
571 if (irelfn->r_offset == paddr
572 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
574 if (irelfn >= irelend)
576 ((*_bfd_error_handler)
577 (_("%B: 0x%lx: warning: could not find expected reloc"),
578 abfd, (unsigned long) paddr));
582 /* Read this BFD's symbols if we haven't done so already. */
583 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
585 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
587 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
588 symtab_hdr->sh_info, 0,
594 /* Get the value of the symbol referred to by the reloc. */
595 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
597 /* A local symbol. */
598 Elf_Internal_Sym *isym;
600 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
602 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
604 ((*_bfd_error_handler)
605 (_("%B: 0x%lx: warning: symbol in unexpected section"),
606 abfd, (unsigned long) paddr));
610 symval = (isym->st_value
611 + sec->output_section->vma
612 + sec->output_offset);
617 struct elf_link_hash_entry *h;
619 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
620 h = elf_sym_hashes (abfd)[indx];
621 BFD_ASSERT (h != NULL);
622 if (h->root.type != bfd_link_hash_defined
623 && h->root.type != bfd_link_hash_defweak)
625 /* This appears to be a reference to an undefined
626 symbol. Just ignore it--it will be caught by the
627 regular reloc processing. */
631 symval = (h->root.u.def.value
632 + h->root.u.def.section->output_section->vma
633 + h->root.u.def.section->output_offset);
636 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
637 symval += bfd_get_32 (abfd, contents + paddr);
639 symval += irelfn->r_addend;
641 /* See if this function call can be shortened. */
644 + sec->output_section->vma
647 /* A branch to an address beyond ours might be increased by an
648 .align that doesn't move when bytes behind us are deleted.
649 So, we add some slop in this calculation to allow for
651 if (foff < -0x1000 || foff >= 0x1000 - 8)
653 /* After all that work, we can't shorten this function call. */
657 /* Shorten the function call. */
659 /* For simplicity of coding, we are going to modify the section
660 contents, the section relocs, and the BFD symbol table. We
661 must tell the rest of the code not to free up this
662 information. It would be possible to instead create a table
663 of changes which have to be made, as is done in coff-mips.c;
664 that would be more work, but would require less memory when
665 the linker is run. */
667 elf_section_data (sec)->relocs = internal_relocs;
668 elf_section_data (sec)->this_hdr.contents = contents;
669 symtab_hdr->contents = (unsigned char *) isymbuf;
671 /* Replace the jsr with a bsr. */
673 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
674 replace the jsr with a bsr. */
675 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
676 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
677 here, but that only checks if the symbol is an external symbol,
678 not if the symbol is in a different section. Besides, we need
679 a consistent meaning for the relocation, so we just assume here that
680 the value of the symbol is not available. */
682 /* We can't fully resolve this yet, because the external
683 symbol value may be changed by future relaxing. We let
684 the final link phase handle it. */
685 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
689 /* When we calculated the symbol "value" we had an offset in the
690 DIR32's word in memory (we read and add it above). However,
691 the jsr we create does NOT have this offset encoded, so we
692 have to add it to the addend to preserve it. */
693 irel->r_addend += bfd_get_32 (abfd, contents + paddr);
695 /* See if there is another R_SH_USES reloc referring to the same
697 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
698 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
699 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
701 if (irelscan < irelend)
703 /* Some other function call depends upon this register load,
704 and we have not yet converted that function call.
705 Indeed, we may never be able to convert it. There is
706 nothing else we can do at this point. */
710 /* Look for a R_SH_COUNT reloc on the location where the
711 function address is stored. Do this before deleting any
712 bytes, to avoid confusion about the address. */
713 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
714 if (irelcount->r_offset == paddr
715 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
718 /* Delete the register load. */
719 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
722 /* That will change things, so, just in case it permits some
723 other function call to come within range, we should relax
724 again. Note that this is not required, and it may be slow. */
727 /* Now check whether we got a COUNT reloc. */
728 if (irelcount >= irelend)
730 ((*_bfd_error_handler)
731 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
732 abfd, (unsigned long) paddr));
736 /* The number of uses is stored in the r_addend field. We've
738 if (irelcount->r_addend == 0)
740 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
742 (unsigned long) paddr));
746 --irelcount->r_addend;
748 /* If there are no more uses, we can delete the address. Reload
749 the address from irelfn, in case it was changed by the
750 previous call to sh_elf_relax_delete_bytes. */
751 if (irelcount->r_addend == 0)
753 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
757 /* We've done all we can with that function call. */
760 /* Look for load and store instructions that we can align on four
762 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
767 /* Get the section contents. */
768 if (contents == NULL)
770 if (elf_section_data (sec)->this_hdr.contents != NULL)
771 contents = elf_section_data (sec)->this_hdr.contents;
774 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
779 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
785 elf_section_data (sec)->relocs = internal_relocs;
786 elf_section_data (sec)->this_hdr.contents = contents;
787 symtab_hdr->contents = (unsigned char *) isymbuf;
792 && symtab_hdr->contents != (unsigned char *) isymbuf)
794 if (! link_info->keep_memory)
798 /* Cache the symbols for elf_link_input_bfd. */
799 symtab_hdr->contents = (unsigned char *) isymbuf;
804 && elf_section_data (sec)->this_hdr.contents != contents)
806 if (! link_info->keep_memory)
810 /* Cache the section contents for elf_link_input_bfd. */
811 elf_section_data (sec)->this_hdr.contents = contents;
815 if (internal_relocs != NULL
816 && elf_section_data (sec)->relocs != internal_relocs)
817 free (internal_relocs);
823 && symtab_hdr->contents != (unsigned char *) isymbuf)
826 && elf_section_data (sec)->this_hdr.contents != contents)
828 if (internal_relocs != NULL
829 && elf_section_data (sec)->relocs != internal_relocs)
830 free (internal_relocs);
835 /* Delete some bytes from a section while relaxing. FIXME: There is a
836 lot of duplication between this function and sh_relax_delete_bytes
840 sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
843 Elf_Internal_Shdr *symtab_hdr;
844 unsigned int sec_shndx;
846 Elf_Internal_Rela *irel, *irelend;
847 Elf_Internal_Rela *irelalign;
849 Elf_Internal_Sym *isymbuf, *isym, *isymend;
850 struct elf_link_hash_entry **sym_hashes;
851 struct elf_link_hash_entry **end_hashes;
852 unsigned int symcount;
855 symtab_hdr = &elf_symtab_hdr (abfd);
856 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
858 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
860 contents = elf_section_data (sec)->this_hdr.contents;
862 /* The deletion must stop at the next ALIGN reloc for an aligment
863 power larger than the number of bytes we are deleting. */
868 irel = elf_section_data (sec)->relocs;
869 irelend = irel + sec->reloc_count;
870 for (; irel < irelend; irel++)
872 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
873 && irel->r_offset > addr
874 && count < (1 << irel->r_addend))
877 toaddr = irel->r_offset;
882 /* Actually delete the bytes. */
883 memmove (contents + addr, contents + addr + count,
884 (size_t) (toaddr - addr - count));
885 if (irelalign == NULL)
891 #define NOP_OPCODE (0x0009)
893 BFD_ASSERT ((count & 1) == 0);
894 for (i = 0; i < count; i += 2)
895 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
898 /* Adjust all the relocs. */
899 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
901 bfd_vma nraddr, stop;
904 int off, adjust, oinsn;
905 bfd_signed_vma voff = 0;
906 bfd_boolean overflow;
908 /* Get the new reloc address. */
909 nraddr = irel->r_offset;
910 if ((irel->r_offset > addr
911 && irel->r_offset < toaddr)
912 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
913 && irel->r_offset == toaddr))
916 /* See if this reloc was for the bytes we have deleted, in which
917 case we no longer care about it. Don't delete relocs which
918 represent addresses, though. */
919 if (irel->r_offset >= addr
920 && irel->r_offset < addr + count
921 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
922 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
923 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
924 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
925 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
928 /* If this is a PC relative reloc, see if the range it covers
929 includes the bytes we have deleted. */
930 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
939 start = irel->r_offset;
940 insn = bfd_get_16 (abfd, contents + nraddr);
944 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
951 /* If this reloc is against a symbol defined in this
952 section, and the symbol will not be adjusted below, we
953 must check the addend to see it will put the value in
954 range to be adjusted, and hence must be changed. */
955 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
957 isym = isymbuf + ELF32_R_SYM (irel->r_info);
958 if (isym->st_shndx == sec_shndx
959 && (isym->st_value <= addr
960 || isym->st_value >= toaddr))
964 if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
966 val = bfd_get_32 (abfd, contents + nraddr);
967 val += isym->st_value;
968 if (val > addr && val < toaddr)
969 bfd_put_32 (abfd, val - count, contents + nraddr);
973 val = isym->st_value + irel->r_addend;
974 if (val > addr && val < toaddr)
975 irel->r_addend -= count;
986 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
993 /* This has been made by previous relaxation. Since the
994 relocation will be against an external symbol, the
995 final relocation will just do the right thing. */
1002 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
1004 /* The addend will be against the section symbol, thus
1005 for adjusting the addend, the relevant start is the
1006 start of the section.
1007 N.B. If we want to abandon in-place changes here and
1008 test directly using symbol + addend, we have to take into
1009 account that the addend has already been adjusted by -4. */
1010 if (stop > addr && stop < toaddr)
1011 irel->r_addend -= count;
1017 stop = start + 4 + off * 2;
1022 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
1028 /* These relocs types represent
1030 The r_addend field holds the difference between the reloc
1031 address and L1. That is the start of the reloc, and
1032 adding in the contents gives us the top. We must adjust
1033 both the r_offset field and the section contents.
1034 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
1035 and the elf bfd r_offset is called r_vaddr. */
1037 stop = irel->r_offset;
1038 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
1042 && (stop <= addr || stop >= toaddr))
1043 irel->r_addend += count;
1044 else if (stop > addr
1046 && (start <= addr || start >= toaddr))
1047 irel->r_addend -= count;
1049 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
1050 voff = bfd_get_signed_16 (abfd, contents + nraddr);
1051 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
1052 voff = bfd_get_8 (abfd, contents + nraddr);
1054 voff = bfd_get_signed_32 (abfd, contents + nraddr);
1055 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1060 start = irel->r_offset;
1061 stop = (bfd_vma) ((bfd_signed_vma) start
1062 + (long) irel->r_addend
1069 && (stop <= addr || stop >= toaddr))
1071 else if (stop > addr
1073 && (start <= addr || start >= toaddr))
1082 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
1091 if ((oinsn & 0xff00) != (insn & 0xff00))
1093 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1098 if ((oinsn & 0xf000) != (insn & 0xf000))
1100 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1104 BFD_ASSERT (adjust == count || count >= 4);
1109 if ((irel->r_offset & 3) == 0)
1112 if ((oinsn & 0xff00) != (insn & 0xff00))
1114 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
1119 if (voff < 0 || voff >= 0xff)
1121 bfd_put_8 (abfd, voff, contents + nraddr);
1126 if (voff < - 0x8000 || voff >= 0x8000)
1128 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
1133 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
1137 irel->r_addend += adjust;
1143 ((*_bfd_error_handler)
1144 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1145 abfd, (unsigned long) irel->r_offset));
1146 bfd_set_error (bfd_error_bad_value);
1151 irel->r_offset = nraddr;
1154 /* Look through all the other sections. If there contain any IMM32
1155 relocs against internal symbols which we are not going to adjust
1156 below, we may need to adjust the addends. */
1157 for (o = abfd->sections; o != NULL; o = o->next)
1159 Elf_Internal_Rela *internal_relocs;
1160 Elf_Internal_Rela *irelscan, *irelscanend;
1161 bfd_byte *ocontents;
1164 || (o->flags & SEC_RELOC) == 0
1165 || o->reloc_count == 0)
1168 /* We always cache the relocs. Perhaps, if info->keep_memory is
1169 FALSE, we should free them, if we are permitted to, when we
1170 leave sh_coff_relax_section. */
1171 internal_relocs = (_bfd_elf_link_read_relocs
1172 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
1173 if (internal_relocs == NULL)
1177 irelscanend = internal_relocs + o->reloc_count;
1178 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
1180 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
1181 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
1183 bfd_vma start, stop;
1184 bfd_signed_vma voff;
1186 if (ocontents == NULL)
1188 if (elf_section_data (o)->this_hdr.contents != NULL)
1189 ocontents = elf_section_data (o)->this_hdr.contents;
1192 /* We always cache the section contents.
1193 Perhaps, if info->keep_memory is FALSE, we
1194 should free them, if we are permitted to,
1195 when we leave sh_coff_relax_section. */
1196 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1198 if (ocontents != NULL)
1203 elf_section_data (o)->this_hdr.contents = ocontents;
1207 stop = irelscan->r_offset;
1209 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
1211 /* STOP is in a different section, so it won't change. */
1212 if (start > addr && start < toaddr)
1213 irelscan->r_addend += count;
1215 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
1216 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
1220 && (stop <= addr || stop >= toaddr))
1221 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
1222 ocontents + irelscan->r_offset);
1223 else if (stop > addr
1225 && (start <= addr || start >= toaddr))
1226 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
1227 ocontents + irelscan->r_offset);
1230 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
1233 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
1237 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
1238 if (isym->st_shndx == sec_shndx
1239 && (isym->st_value <= addr
1240 || isym->st_value >= toaddr))
1244 if (ocontents == NULL)
1246 if (elf_section_data (o)->this_hdr.contents != NULL)
1247 ocontents = elf_section_data (o)->this_hdr.contents;
1250 /* We always cache the section contents.
1251 Perhaps, if info->keep_memory is FALSE, we
1252 should free them, if we are permitted to,
1253 when we leave sh_coff_relax_section. */
1254 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
1256 if (ocontents != NULL)
1261 elf_section_data (o)->this_hdr.contents = ocontents;
1265 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
1266 val += isym->st_value;
1267 if (val > addr && val < toaddr)
1268 bfd_put_32 (abfd, val - count,
1269 ocontents + irelscan->r_offset);
1274 /* Adjust the local symbols defined in this section. */
1275 isymend = isymbuf + symtab_hdr->sh_info;
1276 for (isym = isymbuf; isym < isymend; isym++)
1278 if (isym->st_shndx == sec_shndx
1279 && isym->st_value > addr
1280 && isym->st_value < toaddr)
1281 isym->st_value -= count;
1284 /* Now adjust the global symbols defined in this section. */
1285 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
1286 - symtab_hdr->sh_info);
1287 sym_hashes = elf_sym_hashes (abfd);
1288 end_hashes = sym_hashes + symcount;
1289 for (; sym_hashes < end_hashes; sym_hashes++)
1291 struct elf_link_hash_entry *sym_hash = *sym_hashes;
1292 if ((sym_hash->root.type == bfd_link_hash_defined
1293 || sym_hash->root.type == bfd_link_hash_defweak)
1294 && sym_hash->root.u.def.section == sec
1295 && sym_hash->root.u.def.value > addr
1296 && sym_hash->root.u.def.value < toaddr)
1298 sym_hash->root.u.def.value -= count;
1302 /* See if we can move the ALIGN reloc forward. We have adjusted
1303 r_offset for it already. */
1304 if (irelalign != NULL)
1306 bfd_vma alignto, alignaddr;
1308 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
1309 alignaddr = BFD_ALIGN (irelalign->r_offset,
1310 1 << irelalign->r_addend);
1311 if (alignto != alignaddr)
1313 /* Tail recursion. */
1314 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
1315 (int) (alignto - alignaddr));
1322 /* Look for loads and stores which we can align to four byte
1323 boundaries. This is like sh_align_loads in coff-sh.c. */
1326 sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
1327 Elf_Internal_Rela *internal_relocs,
1328 bfd_byte *contents ATTRIBUTE_UNUSED,
1329 bfd_boolean *pswapped)
1331 Elf_Internal_Rela *irel, *irelend;
1332 bfd_vma *labels = NULL;
1333 bfd_vma *label, *label_end;
1338 irelend = internal_relocs + sec->reloc_count;
1340 /* Get all the addresses with labels on them. */
1341 amt = sec->reloc_count;
1342 amt *= sizeof (bfd_vma);
1343 labels = (bfd_vma *) bfd_malloc (amt);
1347 for (irel = internal_relocs; irel < irelend; irel++)
1349 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
1351 *label_end = irel->r_offset;
1356 /* Note that the assembler currently always outputs relocs in
1357 address order. If that ever changes, this code will need to sort
1358 the label values and the relocs. */
1362 for (irel = internal_relocs; irel < irelend; irel++)
1364 bfd_vma start, stop;
1366 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
1369 start = irel->r_offset;
1371 for (irel++; irel < irelend; irel++)
1372 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
1375 stop = irel->r_offset;
1379 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
1380 internal_relocs, &label,
1381 label_end, start, stop, pswapped))
1396 /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
1399 sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
1400 bfd_byte *contents, bfd_vma addr)
1402 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
1403 unsigned short i1, i2;
1404 Elf_Internal_Rela *irel, *irelend;
1406 /* Swap the instructions themselves. */
1407 i1 = bfd_get_16 (abfd, contents + addr);
1408 i2 = bfd_get_16 (abfd, contents + addr + 2);
1409 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
1410 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
1412 /* Adjust all reloc addresses. */
1413 irelend = internal_relocs + sec->reloc_count;
1414 for (irel = internal_relocs; irel < irelend; irel++)
1416 enum elf_sh_reloc_type type;
1419 /* There are a few special types of relocs that we don't want to
1420 adjust. These relocs do not apply to the instruction itself,
1421 but are only associated with the address. */
1422 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
1423 if (type == R_SH_ALIGN
1424 || type == R_SH_CODE
1425 || type == R_SH_DATA
1426 || type == R_SH_LABEL)
1429 /* If an R_SH_USES reloc points to one of the addresses being
1430 swapped, we must adjust it. It would be incorrect to do this
1431 for a jump, though, since we want to execute both
1432 instructions after the jump. (We have avoided swapping
1433 around a label, so the jump will not wind up executing an
1434 instruction it shouldn't). */
1435 if (type == R_SH_USES)
1439 off = irel->r_offset + 4 + irel->r_addend;
1441 irel->r_offset += 2;
1442 else if (off == addr + 2)
1443 irel->r_offset -= 2;
1446 if (irel->r_offset == addr)
1448 irel->r_offset += 2;
1451 else if (irel->r_offset == addr + 2)
1453 irel->r_offset -= 2;
1462 unsigned short insn, oinsn;
1463 bfd_boolean overflow;
1465 loc = contents + irel->r_offset;
1474 insn = bfd_get_16 (abfd, loc);
1477 if ((oinsn & 0xff00) != (insn & 0xff00))
1479 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1483 insn = bfd_get_16 (abfd, loc);
1486 if ((oinsn & 0xf000) != (insn & 0xf000))
1488 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1492 /* This reloc ignores the least significant 3 bits of
1493 the program counter before adding in the offset.
1494 This means that if ADDR is at an even address, the
1495 swap will not affect the offset. If ADDR is an at an
1496 odd address, then the instruction will be crossing a
1497 four byte boundary, and must be adjusted. */
1498 if ((addr & 3) != 0)
1500 insn = bfd_get_16 (abfd, loc);
1503 if ((oinsn & 0xff00) != (insn & 0xff00))
1505 bfd_put_16 (abfd, (bfd_vma) insn, loc);
1513 ((*_bfd_error_handler)
1514 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
1515 abfd, (unsigned long) irel->r_offset));
1516 bfd_set_error (bfd_error_bad_value);
1524 #endif /* defined SH64_ELF */
1526 /* Describes one of the various PLT styles. */
1528 struct elf_sh_plt_info
1530 /* The template for the first PLT entry, or NULL if there is no special
1532 const bfd_byte *plt0_entry;
1534 /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
1535 bfd_vma plt0_entry_size;
1537 /* Index I is the offset into PLT0_ENTRY of a pointer to
1538 _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
1539 if there is no such pointer. */
1540 bfd_vma plt0_got_fields[3];
1542 /* The template for a symbol's PLT entry. */
1543 const bfd_byte *symbol_entry;
1545 /* The size of SYMBOL_ENTRY in bytes. */
1546 bfd_vma symbol_entry_size;
1548 /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
1549 on all targets. The comments by each member indicate the value
1550 that the field must hold. */
1552 bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
1553 bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
1554 bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
1557 /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
1558 bfd_vma symbol_resolve_offset;
1561 #ifdef INCLUDE_SHMEDIA
1563 /* The size in bytes of an entry in the procedure linkage table. */
1565 #define ELF_PLT_ENTRY_SIZE 64
1567 /* First entry in an absolute procedure linkage table look like this. */
1569 static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
1571 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
1572 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
1573 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1574 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1575 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1576 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1577 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1578 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1579 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1580 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1581 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1582 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1583 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1584 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1585 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1586 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1589 static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
1591 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
1592 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
1593 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1594 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1595 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1596 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1597 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1598 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1599 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1600 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1601 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1602 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1603 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1604 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1605 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1606 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1609 /* Sebsequent entries in an absolute procedure linkage table look like
1612 static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1614 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
1615 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
1616 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
1617 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1618 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1619 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1620 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1621 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1622 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
1623 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
1624 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1625 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1626 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1627 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1628 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1629 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1632 static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1634 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
1635 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
1636 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
1637 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1638 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1639 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1640 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1641 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1642 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
1643 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
1644 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1645 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1646 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1647 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1648 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1649 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1652 /* Entries in a PIC procedure linkage table look like this. */
1654 static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1656 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
1657 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
1658 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
1659 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1660 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1661 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1662 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1663 0x6f, 0xf0, 0xff, 0xf0, /* nop */
1664 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
1665 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
1666 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
1667 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
1668 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
1669 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
1670 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
1671 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
1674 static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1676 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
1677 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
1678 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
1679 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1680 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1681 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1682 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1683 0xf0, 0xff, 0xf0, 0x6f, /* nop */
1684 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
1685 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
1686 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
1687 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
1688 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
1689 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
1690 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
1691 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
1694 static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1697 /* Big-endian non-PIC. */
1698 elf_sh_plt0_entry_be,
1700 { 0, MINUS_ONE, MINUS_ONE },
1701 elf_sh_plt_entry_be,
1704 33 /* includes ISA encoding */
1707 /* Little-endian non-PIC. */
1708 elf_sh_plt0_entry_le,
1710 { 0, MINUS_ONE, MINUS_ONE },
1711 elf_sh_plt_entry_le,
1714 33 /* includes ISA encoding */
1719 /* Big-endian PIC. */
1720 elf_sh_plt0_entry_be,
1722 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1723 elf_sh_pic_plt_entry_be,
1725 { 0, MINUS_ONE, 52 },
1726 33 /* includes ISA encoding */
1729 /* Little-endian PIC. */
1730 elf_sh_plt0_entry_le,
1732 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1733 elf_sh_pic_plt_entry_le,
1735 { 0, MINUS_ONE, 52 },
1736 33 /* includes ISA encoding */
1741 /* Return offset of the linker in PLT0 entry. */
1742 #define elf_sh_plt0_gotplt_offset(info) 0
1744 /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
1745 VALUE is the field's value and CODE_P is true if VALUE refers to code,
1748 On SH64, each 32-bit field is loaded by a movi/shori pair. */
1751 install_plt_field (bfd *output_bfd, bfd_boolean code_p,
1752 unsigned long value, bfd_byte *addr)
1755 bfd_put_32 (output_bfd,
1756 bfd_get_32 (output_bfd, addr)
1757 | ((value >> 6) & 0x3fffc00),
1759 bfd_put_32 (output_bfd,
1760 bfd_get_32 (output_bfd, addr + 4)
1761 | ((value << 10) & 0x3fffc00),
1765 /* Return the type of PLT associated with ABFD. PIC_P is true if
1766 the object is position-independent. */
1768 static const struct elf_sh_plt_info *
1769 get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
1771 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
1774 /* The size in bytes of an entry in the procedure linkage table. */
1776 #define ELF_PLT_ENTRY_SIZE 28
1778 /* First entry in an absolute procedure linkage table look like this. */
1780 /* Note - this code has been "optimised" not to use r2. r2 is used by
1781 GCC to return the address of large structures, so it should not be
1782 corrupted here. This does mean however, that this PLT does not conform
1783 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
1784 and r2 contains the GOT id. This version stores the GOT id in r0 and
1785 ignores the type. Loaders can easily detect this difference however,
1786 since the type will always be 0 or 8, and the GOT ids will always be
1787 greater than or equal to 12. */
1788 static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
1790 0xd0, 0x05, /* mov.l 2f,r0 */
1791 0x60, 0x02, /* mov.l @r0,r0 */
1792 0x2f, 0x06, /* mov.l r0,@-r15 */
1793 0xd0, 0x03, /* mov.l 1f,r0 */
1794 0x60, 0x02, /* mov.l @r0,r0 */
1795 0x40, 0x2b, /* jmp @r0 */
1796 0x60, 0xf6, /* mov.l @r15+,r0 */
1797 0x00, 0x09, /* nop */
1798 0x00, 0x09, /* nop */
1799 0x00, 0x09, /* nop */
1800 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1801 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1804 static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
1806 0x05, 0xd0, /* mov.l 2f,r0 */
1807 0x02, 0x60, /* mov.l @r0,r0 */
1808 0x06, 0x2f, /* mov.l r0,@-r15 */
1809 0x03, 0xd0, /* mov.l 1f,r0 */
1810 0x02, 0x60, /* mov.l @r0,r0 */
1811 0x2b, 0x40, /* jmp @r0 */
1812 0xf6, 0x60, /* mov.l @r15+,r0 */
1813 0x09, 0x00, /* nop */
1814 0x09, 0x00, /* nop */
1815 0x09, 0x00, /* nop */
1816 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
1817 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
1820 /* Sebsequent entries in an absolute procedure linkage table look like
1823 static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1825 0xd0, 0x04, /* mov.l 1f,r0 */
1826 0x60, 0x02, /* mov.l @(r0,r12),r0 */
1827 0xd1, 0x02, /* mov.l 0f,r1 */
1828 0x40, 0x2b, /* jmp @r0 */
1829 0x60, 0x13, /* mov r1,r0 */
1830 0xd1, 0x03, /* mov.l 2f,r1 */
1831 0x40, 0x2b, /* jmp @r0 */
1832 0x00, 0x09, /* nop */
1833 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1834 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1835 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1838 static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1840 0x04, 0xd0, /* mov.l 1f,r0 */
1841 0x02, 0x60, /* mov.l @r0,r0 */
1842 0x02, 0xd1, /* mov.l 0f,r1 */
1843 0x2b, 0x40, /* jmp @r0 */
1844 0x13, 0x60, /* mov r1,r0 */
1845 0x03, 0xd1, /* mov.l 2f,r1 */
1846 0x2b, 0x40, /* jmp @r0 */
1847 0x09, 0x00, /* nop */
1848 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
1849 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1850 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
1853 /* Entries in a PIC procedure linkage table look like this. */
1855 static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
1857 0xd0, 0x04, /* mov.l 1f,r0 */
1858 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1859 0x40, 0x2b, /* jmp @r0 */
1860 0x00, 0x09, /* nop */
1861 0x50, 0xc2, /* mov.l @(8,r12),r0 */
1862 0xd1, 0x03, /* mov.l 2f,r1 */
1863 0x40, 0x2b, /* jmp @r0 */
1864 0x50, 0xc1, /* mov.l @(4,r12),r0 */
1865 0x00, 0x09, /* nop */
1866 0x00, 0x09, /* nop */
1867 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1868 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1871 static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
1873 0x04, 0xd0, /* mov.l 1f,r0 */
1874 0xce, 0x00, /* mov.l @(r0,r12),r0 */
1875 0x2b, 0x40, /* jmp @r0 */
1876 0x09, 0x00, /* nop */
1877 0xc2, 0x50, /* mov.l @(8,r12),r0 */
1878 0x03, 0xd1, /* mov.l 2f,r1 */
1879 0x2b, 0x40, /* jmp @r0 */
1880 0xc1, 0x50, /* mov.l @(4,r12),r0 */
1881 0x09, 0x00, /* nop */
1882 0x09, 0x00, /* nop */
1883 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
1884 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
1887 static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
1890 /* Big-endian non-PIC. */
1891 elf_sh_plt0_entry_be,
1893 { MINUS_ONE, 24, 20 },
1894 elf_sh_plt_entry_be,
1900 /* Little-endian non-PIC. */
1901 elf_sh_plt0_entry_le,
1903 { MINUS_ONE, 24, 20 },
1904 elf_sh_plt_entry_le,
1912 /* Big-endian PIC. */
1913 elf_sh_plt0_entry_be,
1915 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1916 elf_sh_pic_plt_entry_be,
1918 { 20, MINUS_ONE, 24 },
1922 /* Little-endian PIC. */
1923 elf_sh_plt0_entry_le,
1925 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
1926 elf_sh_pic_plt_entry_le,
1928 { 20, MINUS_ONE, 24 },
1934 #define VXWORKS_PLT_HEADER_SIZE 12
1935 #define VXWORKS_PLT_ENTRY_SIZE 24
1937 static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
1939 0xd1, 0x01, /* mov.l @(8,pc),r1 */
1940 0x61, 0x12, /* mov.l @r1,r1 */
1941 0x41, 0x2b, /* jmp @r1 */
1942 0x00, 0x09, /* nop */
1943 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1946 static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
1948 0x01, 0xd1, /* mov.l @(8,pc),r1 */
1949 0x12, 0x61, /* mov.l @r1,r1 */
1950 0x2b, 0x41, /* jmp @r1 */
1951 0x09, 0x00, /* nop */
1952 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
1955 static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1957 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1958 0x60, 0x02, /* mov.l @r0,r0 */
1959 0x40, 0x2b, /* jmp @r0 */
1960 0x00, 0x09, /* nop */
1961 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1962 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1963 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
1964 0x00, 0x09, /* nop */
1965 0x00, 0x09, /* nop */
1966 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1969 static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1971 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1972 0x02, 0x60, /* mov.l @r0,r0 */
1973 0x2b, 0x40, /* jmp @r0 */
1974 0x09, 0x00, /* nop */
1975 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
1976 0x01, 0xd0, /* mov.l @(8,pc),r0 */
1977 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
1978 0x09, 0x00, /* nop */
1979 0x09, 0x00, /* nop */
1980 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1983 static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
1985 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1986 0x00, 0xce, /* mov.l @(r0,r12),r0 */
1987 0x40, 0x2b, /* jmp @r0 */
1988 0x00, 0x09, /* nop */
1989 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
1990 0xd0, 0x01, /* mov.l @(8,pc),r0 */
1991 0x51, 0xc2, /* mov.l @(8,r12),r1 */
1992 0x41, 0x2b, /* jmp @r1 */
1993 0x00, 0x09, /* nop */
1994 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
1997 static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
1999 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2000 0xce, 0x00, /* mov.l @(r0,r12),r0 */
2001 0x2b, 0x40, /* jmp @r0 */
2002 0x09, 0x00, /* nop */
2003 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
2004 0x01, 0xd0, /* mov.l @(8,pc),r0 */
2005 0xc2, 0x51, /* mov.l @(8,r12),r1 */
2006 0x2b, 0x41, /* jmp @r1 */
2007 0x09, 0x00, /* nop */
2008 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
2011 static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
2014 /* Big-endian non-PIC. */
2015 vxworks_sh_plt0_entry_be,
2016 VXWORKS_PLT_HEADER_SIZE,
2017 { MINUS_ONE, MINUS_ONE, 8 },
2018 vxworks_sh_plt_entry_be,
2019 VXWORKS_PLT_ENTRY_SIZE,
2024 /* Little-endian non-PIC. */
2025 vxworks_sh_plt0_entry_le,
2026 VXWORKS_PLT_HEADER_SIZE,
2027 { MINUS_ONE, MINUS_ONE, 8 },
2028 vxworks_sh_plt_entry_le,
2029 VXWORKS_PLT_ENTRY_SIZE,
2036 /* Big-endian PIC. */
2039 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2040 vxworks_sh_pic_plt_entry_be,
2041 VXWORKS_PLT_ENTRY_SIZE,
2042 { 8, MINUS_ONE, 20 },
2046 /* Little-endian PIC. */
2049 { MINUS_ONE, MINUS_ONE, MINUS_ONE },
2050 vxworks_sh_pic_plt_entry_le,
2051 VXWORKS_PLT_ENTRY_SIZE,
2052 { 8, MINUS_ONE, 20 },
2058 /* Return the type of PLT associated with ABFD. PIC_P is true if
2059 the object is position-independent. */
2061 static const struct elf_sh_plt_info *
2062 get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
2064 if (vxworks_object_p (abfd))
2065 return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
2066 return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
2069 /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
2070 VALUE is the field's value and CODE_P is true if VALUE refers to code,
2074 install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
2075 unsigned long value, bfd_byte *addr)
2077 bfd_put_32 (output_bfd, value, addr);
2081 /* Return the index of the PLT entry at byte offset OFFSET. */
2084 get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
2086 return (offset - info->plt0_entry_size) / info->symbol_entry_size;
2089 /* Do the inverse operation. */
2092 get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma index)
2094 return info->plt0_entry_size + (index * info->symbol_entry_size);
2097 /* The sh linker needs to keep track of the number of relocs that it
2098 decides to copy as dynamic relocs in check_relocs for each symbol.
2099 This is so that it can later discard them if they are found to be
2100 unnecessary. We store the information in a field extending the
2101 regular ELF linker hash table. */
2103 struct elf_sh_dyn_relocs
2105 struct elf_sh_dyn_relocs *next;
2107 /* The input section of the reloc. */
2110 /* Total number of relocs copied for the input section. */
2111 bfd_size_type count;
2113 /* Number of pc-relative relocs copied for the input section. */
2114 bfd_size_type pc_count;
2117 /* sh ELF linker hash entry. */
2119 struct elf_sh_link_hash_entry
2121 struct elf_link_hash_entry root;
2123 #ifdef INCLUDE_SHMEDIA
2126 bfd_signed_vma refcount;
2131 /* Track dynamic relocs copied for this symbol. */
2132 struct elf_sh_dyn_relocs *dyn_relocs;
2134 bfd_signed_vma gotplt_refcount;
2137 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
2141 #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
2143 struct sh_elf_obj_tdata
2145 struct elf_obj_tdata root;
2147 /* tls_type for each local got entry. */
2148 char *local_got_tls_type;
2151 #define sh_elf_tdata(abfd) \
2152 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
2154 #define sh_elf_local_got_tls_type(abfd) \
2155 (sh_elf_tdata (abfd)->local_got_tls_type)
2157 #define is_sh_elf(bfd) \
2158 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
2159 && elf_tdata (bfd) != NULL \
2160 && elf_object_id (bfd) == SH_ELF_TDATA)
2162 /* Override the generic function because we need to store sh_elf_obj_tdata
2163 as the specific tdata. */
2166 sh_elf_mkobject (bfd *abfd)
2168 return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
2172 /* sh ELF linker hash table. */
2174 struct elf_sh_link_hash_table
2176 struct elf_link_hash_table root;
2178 /* Short-cuts to get to dynamic linker sections. */
2187 /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
2190 /* Small local sym to section mapping cache. */
2191 struct sym_sec_cache sym_sec;
2193 /* A counter or offset to track a TLS got entry. */
2196 bfd_signed_vma refcount;
2200 /* The type of PLT to use. */
2201 const struct elf_sh_plt_info *plt_info;
2203 /* True if the target system is VxWorks. */
2204 bfd_boolean vxworks_p;
2207 /* Traverse an sh ELF linker hash table. */
2209 #define sh_elf_link_hash_traverse(table, func, info) \
2210 (elf_link_hash_traverse \
2212 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
2215 /* Get the sh ELF linker hash table from a link_info structure. */
2217 #define sh_elf_hash_table(p) \
2218 ((struct elf_sh_link_hash_table *) ((p)->hash))
2220 /* Create an entry in an sh ELF linker hash table. */
2222 static struct bfd_hash_entry *
2223 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
2224 struct bfd_hash_table *table,
2227 struct elf_sh_link_hash_entry *ret =
2228 (struct elf_sh_link_hash_entry *) entry;
2230 /* Allocate the structure if it has not already been allocated by a
2232 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2233 ret = ((struct elf_sh_link_hash_entry *)
2234 bfd_hash_allocate (table,
2235 sizeof (struct elf_sh_link_hash_entry)));
2236 if (ret == (struct elf_sh_link_hash_entry *) NULL)
2237 return (struct bfd_hash_entry *) ret;
2239 /* Call the allocation method of the superclass. */
2240 ret = ((struct elf_sh_link_hash_entry *)
2241 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
2243 if (ret != (struct elf_sh_link_hash_entry *) NULL)
2245 ret->dyn_relocs = NULL;
2246 ret->gotplt_refcount = 0;
2247 #ifdef INCLUDE_SHMEDIA
2248 ret->datalabel_got.refcount = ret->root.got.refcount;
2250 ret->tls_type = GOT_UNKNOWN;
2253 return (struct bfd_hash_entry *) ret;
2256 /* Create an sh ELF linker hash table. */
2258 static struct bfd_link_hash_table *
2259 sh_elf_link_hash_table_create (bfd *abfd)
2261 struct elf_sh_link_hash_table *ret;
2262 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
2264 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
2265 if (ret == (struct elf_sh_link_hash_table *) NULL)
2268 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
2269 sh_elf_link_hash_newfunc,
2270 sizeof (struct elf_sh_link_hash_entry)))
2277 ret->sgotplt = NULL;
2278 ret->srelgot = NULL;
2280 ret->srelplt = NULL;
2281 ret->sdynbss = NULL;
2282 ret->srelbss = NULL;
2283 ret->srelplt2 = NULL;
2284 ret->sym_sec.abfd = NULL;
2285 ret->tls_ldm_got.refcount = 0;
2286 ret->plt_info = NULL;
2287 ret->vxworks_p = vxworks_object_p (abfd);
2289 return &ret->root.root;
2292 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
2293 shortcuts to them in our hash table. */
2296 create_got_section (bfd *dynobj, struct bfd_link_info *info)
2298 struct elf_sh_link_hash_table *htab;
2300 if (! _bfd_elf_create_got_section (dynobj, info))
2303 htab = sh_elf_hash_table (info);
2304 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
2305 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
2306 htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2307 if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
2312 /* Create dynamic sections when linking against a dynamic object. */
2315 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
2317 struct elf_sh_link_hash_table *htab;
2318 flagword flags, pltflags;
2319 register asection *s;
2320 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
2323 switch (bed->s->arch_size)
2334 bfd_set_error (bfd_error_bad_value);
2338 htab = sh_elf_hash_table (info);
2339 if (htab->root.dynamic_sections_created)
2342 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2343 .rel[a].bss sections. */
2345 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2346 | SEC_LINKER_CREATED);
2349 pltflags |= SEC_CODE;
2350 if (bed->plt_not_loaded)
2351 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2352 if (bed->plt_readonly)
2353 pltflags |= SEC_READONLY;
2355 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
2358 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
2361 if (bed->want_plt_sym)
2363 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2365 struct elf_link_hash_entry *h;
2366 struct bfd_link_hash_entry *bh = NULL;
2368 if (! (_bfd_generic_link_add_one_symbol
2369 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
2370 (bfd_vma) 0, (const char *) NULL, FALSE,
2371 get_elf_backend_data (abfd)->collect, &bh)))
2374 h = (struct elf_link_hash_entry *) bh;
2376 h->type = STT_OBJECT;
2377 htab->root.hplt = h;
2380 && ! bfd_elf_link_record_dynamic_symbol (info, h))
2384 s = bfd_make_section_with_flags (abfd,
2385 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
2386 flags | SEC_READONLY);
2389 || ! bfd_set_section_alignment (abfd, s, ptralign))
2392 if (htab->sgot == NULL
2393 && !create_got_section (abfd, info))
2397 const char *secname;
2402 for (sec = abfd->sections; sec; sec = sec->next)
2404 secflags = bfd_get_section_flags (abfd, sec);
2405 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
2406 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
2408 secname = bfd_get_section_name (abfd, sec);
2409 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
2410 strcpy (relname, ".rela");
2411 strcat (relname, secname);
2412 if (bfd_get_section_by_name (abfd, secname))
2414 s = bfd_make_section_with_flags (abfd, relname,
2415 flags | SEC_READONLY);
2417 || ! bfd_set_section_alignment (abfd, s, ptralign))
2422 if (bed->want_dynbss)
2424 /* The .dynbss section is a place to put symbols which are defined
2425 by dynamic objects, are referenced by regular objects, and are
2426 not functions. We must allocate space for them in the process
2427 image and use a R_*_COPY reloc to tell the dynamic linker to
2428 initialize them at run time. The linker script puts the .dynbss
2429 section into the .bss section of the final image. */
2430 s = bfd_make_section_with_flags (abfd, ".dynbss",
2431 SEC_ALLOC | SEC_LINKER_CREATED);
2436 /* The .rel[a].bss section holds copy relocs. This section is not
2437 normally needed. We need to create it here, though, so that the
2438 linker will map it to an output section. We can't just create it
2439 only if we need it, because we will not know whether we need it
2440 until we have seen all the input files, and the first time the
2441 main linker code calls BFD after examining all the input files
2442 (size_dynamic_sections) the input sections have already been
2443 mapped to the output sections. If the section turns out not to
2444 be needed, we can discard it later. We will never need this
2445 section when generating a shared object, since they do not use
2449 s = bfd_make_section_with_flags (abfd,
2450 (bed->default_use_rela_p
2451 ? ".rela.bss" : ".rel.bss"),
2452 flags | SEC_READONLY);
2455 || ! bfd_set_section_alignment (abfd, s, ptralign))
2460 if (htab->vxworks_p)
2462 if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
2469 /* Adjust a symbol defined by a dynamic object and referenced by a
2470 regular object. The current definition is in some section of the
2471 dynamic object, but we're not including those sections. We have to
2472 change the definition to something the rest of the link can
2476 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2477 struct elf_link_hash_entry *h)
2479 struct elf_sh_link_hash_table *htab;
2480 struct elf_sh_link_hash_entry *eh;
2481 struct elf_sh_dyn_relocs *p;
2484 htab = sh_elf_hash_table (info);
2486 /* Make sure we know what is going on here. */
2487 BFD_ASSERT (htab->root.dynobj != NULL
2489 || h->u.weakdef != NULL
2492 && !h->def_regular)));
2494 /* If this is a function, put it in the procedure linkage table. We
2495 will fill in the contents of the procedure linkage table later,
2496 when we know the address of the .got section. */
2497 if (h->type == STT_FUNC
2500 if (h->plt.refcount <= 0
2501 || SYMBOL_CALLS_LOCAL (info, h)
2502 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2503 && h->root.type == bfd_link_hash_undefweak))
2505 /* This case can occur if we saw a PLT reloc in an input
2506 file, but the symbol was never referred to by a dynamic
2507 object. In such a case, we don't actually need to build
2508 a procedure linkage table, and we can just do a REL32
2510 h->plt.offset = (bfd_vma) -1;
2517 h->plt.offset = (bfd_vma) -1;
2519 /* If this is a weak symbol, and there is a real definition, the
2520 processor independent code will have arranged for us to see the
2521 real definition first, and we can just use the same value. */
2522 if (h->u.weakdef != NULL)
2524 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2525 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2526 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2527 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2528 if (info->nocopyreloc)
2529 h->non_got_ref = h->u.weakdef->non_got_ref;
2533 /* This is a reference to a symbol defined by a dynamic object which
2534 is not a function. */
2536 /* If we are creating a shared library, we must presume that the
2537 only references to the symbol are via the global offset table.
2538 For such cases we need not do anything here; the relocations will
2539 be handled correctly by relocate_section. */
2543 /* If there are no references to this symbol that do not use the
2544 GOT, we don't need to generate a copy reloc. */
2545 if (!h->non_got_ref)
2548 /* If -z nocopyreloc was given, we won't generate them either. */
2549 if (info->nocopyreloc)
2555 eh = (struct elf_sh_link_hash_entry *) h;
2556 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2558 s = p->sec->output_section;
2559 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
2563 /* If we didn't find any dynamic relocs in sections which needs the
2564 copy reloc, then we'll be keeping the dynamic relocs and avoiding
2574 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2575 h->root.root.string);
2579 /* We must allocate the symbol in our .dynbss section, which will
2580 become part of the .bss section of the executable. There will be
2581 an entry for this symbol in the .dynsym section. The dynamic
2582 object will contain position independent code, so all references
2583 from the dynamic object to this symbol will go through the global
2584 offset table. The dynamic linker will use the .dynsym entry to
2585 determine the address it must put in the global offset table, so
2586 both the dynamic object and the regular object will refer to the
2587 same memory location for the variable. */
2590 BFD_ASSERT (s != NULL);
2592 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
2593 copy the initial value out of the dynamic object and into the
2594 runtime process image. We need to remember the offset into the
2595 .rela.bss section we are going to use. */
2596 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2600 srel = htab->srelbss;
2601 BFD_ASSERT (srel != NULL);
2602 srel->size += sizeof (Elf32_External_Rela);
2606 return _bfd_elf_adjust_dynamic_copy (h, s);
2609 /* Allocate space in .plt, .got and associated reloc sections for
2613 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2615 struct bfd_link_info *info;
2616 struct elf_sh_link_hash_table *htab;
2617 struct elf_sh_link_hash_entry *eh;
2618 struct elf_sh_dyn_relocs *p;
2620 if (h->root.type == bfd_link_hash_indirect)
2623 if (h->root.type == bfd_link_hash_warning)
2624 /* When warning symbols are created, they **replace** the "real"
2625 entry in the hash table, thus we never get to see the real
2626 symbol in a hash traversal. So look at it now. */
2627 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2629 info = (struct bfd_link_info *) inf;
2630 htab = sh_elf_hash_table (info);
2632 eh = (struct elf_sh_link_hash_entry *) h;
2633 if ((h->got.refcount > 0
2635 && eh->gotplt_refcount > 0)
2637 /* The symbol has been forced local, or we have some direct got refs,
2638 so treat all the gotplt refs as got refs. */
2639 h->got.refcount += eh->gotplt_refcount;
2640 if (h->plt.refcount >= eh->gotplt_refcount)
2641 h->plt.refcount -= eh->gotplt_refcount;
2644 if (htab->root.dynamic_sections_created
2645 && h->plt.refcount > 0
2646 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2647 || h->root.type != bfd_link_hash_undefweak))
2649 /* Make sure this symbol is output as a dynamic symbol.
2650 Undefined weak syms won't yet be marked as dynamic. */
2651 if (h->dynindx == -1
2652 && !h->forced_local)
2654 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2659 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
2661 asection *s = htab->splt;
2663 /* If this is the first .plt entry, make room for the special
2666 s->size += htab->plt_info->plt0_entry_size;
2668 h->plt.offset = s->size;
2670 /* If this symbol is not defined in a regular file, and we are
2671 not generating a shared library, then set the symbol to this
2672 location in the .plt. This is required to make function
2673 pointers compare as equal between the normal executable and
2674 the shared library. */
2678 h->root.u.def.section = s;
2679 h->root.u.def.value = h->plt.offset;
2682 /* Make room for this entry. */
2683 s->size += htab->plt_info->symbol_entry_size;
2685 /* We also need to make an entry in the .got.plt section, which
2686 will be placed in the .got section by the linker script. */
2687 htab->sgotplt->size += 4;
2689 /* We also need to make an entry in the .rel.plt section. */
2690 htab->srelplt->size += sizeof (Elf32_External_Rela);
2692 if (htab->vxworks_p && !info->shared)
2694 /* VxWorks executables have a second set of relocations
2695 for each PLT entry. They go in a separate relocation
2696 section, which is processed by the kernel loader. */
2698 /* There is a relocation for the initial PLT entry:
2699 an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
2700 if (h->plt.offset == htab->plt_info->plt0_entry_size)
2701 htab->srelplt2->size += sizeof (Elf32_External_Rela);
2703 /* There are two extra relocations for each subsequent
2704 PLT entry: an R_SH_DIR32 relocation for the GOT entry,
2705 and an R_SH_DIR32 relocation for the PLT entry. */
2706 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
2711 h->plt.offset = (bfd_vma) -1;
2717 h->plt.offset = (bfd_vma) -1;
2721 if (h->got.refcount > 0)
2725 int tls_type = sh_elf_hash_entry (h)->tls_type;
2727 /* Make sure this symbol is output as a dynamic symbol.
2728 Undefined weak syms won't yet be marked as dynamic. */
2729 if (h->dynindx == -1
2730 && !h->forced_local)
2732 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2737 h->got.offset = s->size;
2739 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
2740 if (tls_type == GOT_TLS_GD)
2742 dyn = htab->root.dynamic_sections_created;
2743 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
2744 R_SH_TLS_GD needs one if local symbol and two if global. */
2745 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2746 || (tls_type == GOT_TLS_IE && dyn))
2747 htab->srelgot->size += sizeof (Elf32_External_Rela);
2748 else if (tls_type == GOT_TLS_GD)
2749 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
2750 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2751 || h->root.type != bfd_link_hash_undefweak)
2753 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
2754 htab->srelgot->size += sizeof (Elf32_External_Rela);
2757 h->got.offset = (bfd_vma) -1;
2759 #ifdef INCLUDE_SHMEDIA
2760 if (eh->datalabel_got.refcount > 0)
2765 /* Make sure this symbol is output as a dynamic symbol.
2766 Undefined weak syms won't yet be marked as dynamic. */
2767 if (h->dynindx == -1
2768 && !h->forced_local)
2770 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2775 eh->datalabel_got.offset = s->size;
2777 dyn = htab->root.dynamic_sections_created;
2778 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
2779 htab->srelgot->size += sizeof (Elf32_External_Rela);
2782 eh->datalabel_got.offset = (bfd_vma) -1;
2785 if (eh->dyn_relocs == NULL)
2788 /* In the shared -Bsymbolic case, discard space allocated for
2789 dynamic pc-relative relocs against symbols which turn out to be
2790 defined in regular objects. For the normal shared case, discard
2791 space for pc-relative relocs that have become local due to symbol
2792 visibility changes. */
2796 if (SYMBOL_CALLS_LOCAL (info, h))
2798 struct elf_sh_dyn_relocs **pp;
2800 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2802 p->count -= p->pc_count;
2811 if (htab->vxworks_p)
2813 struct elf_sh_dyn_relocs **pp;
2815 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2817 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2824 /* Also discard relocs on undefined weak syms with non-default
2826 if (eh->dyn_relocs != NULL
2827 && h->root.type == bfd_link_hash_undefweak)
2829 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2830 eh->dyn_relocs = NULL;
2832 /* Make sure undefined weak symbols are output as a dynamic
2834 else if (h->dynindx == -1
2835 && !h->forced_local)
2837 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2844 /* For the non-shared case, discard space for relocs against
2845 symbols which turn out to need copy relocs or are not
2851 || (htab->root.dynamic_sections_created
2852 && (h->root.type == bfd_link_hash_undefweak
2853 || h->root.type == bfd_link_hash_undefined))))
2855 /* Make sure this symbol is output as a dynamic symbol.
2856 Undefined weak syms won't yet be marked as dynamic. */
2857 if (h->dynindx == -1
2858 && !h->forced_local)
2860 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2864 /* If that succeeded, we know we'll be keeping all the
2866 if (h->dynindx != -1)
2870 eh->dyn_relocs = NULL;
2875 /* Finally, allocate space. */
2876 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2878 asection *sreloc = elf_section_data (p->sec)->sreloc;
2879 sreloc->size += p->count * sizeof (Elf32_External_Rela);
2885 /* Find any dynamic relocs that apply to read-only sections. */
2888 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2890 struct elf_sh_link_hash_entry *eh;
2891 struct elf_sh_dyn_relocs *p;
2893 if (h->root.type == bfd_link_hash_warning)
2894 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2896 eh = (struct elf_sh_link_hash_entry *) h;
2897 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2899 asection *s = p->sec->output_section;
2901 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2903 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2905 info->flags |= DF_TEXTREL;
2907 /* Not an error, just cut short the traversal. */
2914 /* This function is called after all the input files have been read,
2915 and the input sections have been assigned to output sections.
2916 It's a convenient place to determine the PLT style. */
2919 sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
2921 sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
2925 /* Set the sizes of the dynamic sections. */
2928 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2929 struct bfd_link_info *info)
2931 struct elf_sh_link_hash_table *htab;
2937 htab = sh_elf_hash_table (info);
2938 dynobj = htab->root.dynobj;
2939 BFD_ASSERT (dynobj != NULL);
2941 if (htab->root.dynamic_sections_created)
2943 /* Set the contents of the .interp section to the interpreter. */
2944 if (info->executable)
2946 s = bfd_get_section_by_name (dynobj, ".interp");
2947 BFD_ASSERT (s != NULL);
2948 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
2949 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2953 /* Set up .got offsets for local syms, and space for local dynamic
2955 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2957 bfd_signed_vma *local_got;
2958 bfd_signed_vma *end_local_got;
2959 char *local_tls_type;
2960 bfd_size_type locsymcount;
2961 Elf_Internal_Shdr *symtab_hdr;
2964 if (! is_sh_elf (ibfd))
2967 for (s = ibfd->sections; s != NULL; s = s->next)
2969 struct elf_sh_dyn_relocs *p;
2971 for (p = ((struct elf_sh_dyn_relocs *)
2972 elf_section_data (s)->local_dynrel);
2976 if (! bfd_is_abs_section (p->sec)
2977 && bfd_is_abs_section (p->sec->output_section))
2979 /* Input section has been discarded, either because
2980 it is a copy of a linkonce section or due to
2981 linker script /DISCARD/, so we'll be discarding
2984 else if (htab->vxworks_p
2985 && strcmp (p->sec->output_section->name,
2988 /* Relocations in vxworks .tls_vars sections are
2989 handled specially by the loader. */
2991 else if (p->count != 0)
2993 srel = elf_section_data (p->sec)->sreloc;
2994 srel->size += p->count * sizeof (Elf32_External_Rela);
2995 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2996 info->flags |= DF_TEXTREL;
3001 local_got = elf_local_got_refcounts (ibfd);
3005 symtab_hdr = &elf_symtab_hdr (ibfd);
3006 locsymcount = symtab_hdr->sh_info;
3007 #ifdef INCLUDE_SHMEDIA
3008 /* Count datalabel local GOT. */
3011 end_local_got = local_got + locsymcount;
3012 local_tls_type = sh_elf_local_got_tls_type (ibfd);
3014 srel = htab->srelgot;
3015 for (; local_got < end_local_got; ++local_got)
3019 *local_got = s->size;
3021 if (*local_tls_type == GOT_TLS_GD)
3024 srel->size += sizeof (Elf32_External_Rela);
3027 *local_got = (bfd_vma) -1;
3032 if (htab->tls_ldm_got.refcount > 0)
3034 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
3036 htab->tls_ldm_got.offset = htab->sgot->size;
3037 htab->sgot->size += 8;
3038 htab->srelgot->size += sizeof (Elf32_External_Rela);
3041 htab->tls_ldm_got.offset = -1;
3043 /* Allocate global sym .plt and .got entries, and space for global
3044 sym dynamic relocs. */
3045 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
3047 /* We now have determined the sizes of the various dynamic sections.
3048 Allocate memory for them. */
3050 for (s = dynobj->sections; s != NULL; s = s->next)
3052 if ((s->flags & SEC_LINKER_CREATED) == 0)
3057 || s == htab->sgotplt
3058 || s == htab->sdynbss)
3060 /* Strip this section if we don't need it; see the
3063 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3065 if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
3068 /* We use the reloc_count field as a counter if we need
3069 to copy relocs into the output file. */
3074 /* It's not one of our sections, so don't allocate space. */
3080 /* If we don't need this section, strip it from the
3081 output file. This is mostly to handle .rela.bss and
3082 .rela.plt. We must create both sections in
3083 create_dynamic_sections, because they must be created
3084 before the linker maps input sections to output
3085 sections. The linker does that before
3086 adjust_dynamic_symbol is called, and it is that
3087 function which decides whether anything needs to go
3088 into these sections. */
3090 s->flags |= SEC_EXCLUDE;
3094 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3097 /* Allocate memory for the section contents. We use bfd_zalloc
3098 here in case unused entries are not reclaimed before the
3099 section's contents are written out. This should not happen,
3100 but this way if it does, we get a R_SH_NONE reloc instead
3102 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
3103 if (s->contents == NULL)
3107 if (htab->root.dynamic_sections_created)
3109 /* Add some entries to the .dynamic section. We fill in the
3110 values later, in sh_elf_finish_dynamic_sections, but we
3111 must add the entries now so that we get the correct size for
3112 the .dynamic section. The DT_DEBUG entry is filled in by the
3113 dynamic linker and used by the debugger. */
3114 #define add_dynamic_entry(TAG, VAL) \
3115 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3117 if (info->executable)
3119 if (! add_dynamic_entry (DT_DEBUG, 0))
3123 if (htab->splt->size != 0)
3125 if (! add_dynamic_entry (DT_PLTGOT, 0)
3126 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3127 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3128 || ! add_dynamic_entry (DT_JMPREL, 0))
3134 if (! add_dynamic_entry (DT_RELA, 0)
3135 || ! add_dynamic_entry (DT_RELASZ, 0)
3136 || ! add_dynamic_entry (DT_RELAENT,
3137 sizeof (Elf32_External_Rela)))
3140 /* If any dynamic relocs apply to a read-only section,
3141 then we need a DT_TEXTREL entry. */
3142 if ((info->flags & DF_TEXTREL) == 0)
3143 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
3145 if ((info->flags & DF_TEXTREL) != 0)
3147 if (! add_dynamic_entry (DT_TEXTREL, 0))
3152 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
3155 #undef add_dynamic_entry
3160 /* Relocate an SH ELF section. */
3163 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
3164 bfd *input_bfd, asection *input_section,
3165 bfd_byte *contents, Elf_Internal_Rela *relocs,
3166 Elf_Internal_Sym *local_syms,
3167 asection **local_sections)
3169 struct elf_sh_link_hash_table *htab;
3170 Elf_Internal_Shdr *symtab_hdr;
3171 struct elf_link_hash_entry **sym_hashes;
3172 Elf_Internal_Rela *rel, *relend;
3174 bfd_vma *local_got_offsets;
3180 bfd_boolean is_vxworks_tls;
3182 BFD_ASSERT (is_sh_elf (input_bfd));
3184 htab = sh_elf_hash_table (info);
3185 symtab_hdr = &elf_symtab_hdr (input_bfd);
3186 sym_hashes = elf_sym_hashes (input_bfd);
3187 dynobj = htab->root.dynobj;
3188 local_got_offsets = elf_local_got_offsets (input_bfd);
3191 sgotplt = htab->sgotplt;
3195 /* We have to handle relocations in vxworks .tls_vars sections
3196 specially, because the dynamic loader is 'weird'. */
3197 is_vxworks_tls = (htab->vxworks_p && info->shared
3198 && !strcmp (input_section->output_section->name,
3202 relend = relocs + input_section->reloc_count;
3203 for (; rel < relend; rel++)
3206 reloc_howto_type *howto;
3207 unsigned long r_symndx;
3208 Elf_Internal_Sym *sym;
3210 struct elf_link_hash_entry *h;
3212 bfd_vma addend = (bfd_vma) 0;
3213 bfd_reloc_status_type r;
3214 int seen_stt_datalabel = 0;
3218 r_symndx = ELF32_R_SYM (rel->r_info);
3220 r_type = ELF32_R_TYPE (rel->r_info);
3222 /* Many of the relocs are only used for relaxing, and are
3223 handled entirely by the relaxation code. */
3224 if (r_type >= (int) R_SH_GNU_VTINHERIT
3225 && r_type <= (int) R_SH_LABEL)
3227 if (r_type == (int) R_SH_NONE)
3231 || r_type >= R_SH_max
3232 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
3233 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
3234 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
3235 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
3236 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
3237 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
3238 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
3239 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
3240 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
3241 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
3243 bfd_set_error (bfd_error_bad_value);
3247 howto = get_howto_table (output_bfd) + r_type;
3249 /* For relocs that aren't partial_inplace, we get the addend from
3251 if (! howto->partial_inplace)
3252 addend = rel->r_addend;
3257 if (r_symndx < symtab_hdr->sh_info)
3259 sym = local_syms + r_symndx;
3260 sec = local_sections[r_symndx];
3261 relocation = (sec->output_section->vma
3262 + sec->output_offset
3264 /* A local symbol never has STO_SH5_ISA32, so we don't need
3265 datalabel processing here. Make sure this does not change
3267 if ((sym->st_other & STO_SH5_ISA32) != 0)
3268 ((*info->callbacks->reloc_dangerous)
3270 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
3271 input_bfd, input_section, rel->r_offset));
3273 if (sec != NULL && elf_discarded_section (sec))
3274 /* Handled below. */
3276 else if (info->relocatable)
3278 /* This is a relocatable link. We don't have to change
3279 anything, unless the reloc is against a section symbol,
3280 in which case we have to adjust according to where the
3281 section symbol winds up in the output section. */
3282 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3284 if (! howto->partial_inplace)
3286 /* For relocations with the addend in the
3287 relocation, we need just to update the addend.
3288 All real relocs are of type partial_inplace; this
3289 code is mostly for completeness. */
3290 rel->r_addend += sec->output_offset;
3295 /* Relocs of type partial_inplace need to pick up the
3296 contents in the contents and add the offset resulting
3297 from the changed location of the section symbol.
3298 Using _bfd_final_link_relocate (e.g. goto
3299 final_link_relocate) here would be wrong, because
3300 relocations marked pc_relative would get the current
3301 location subtracted, and we must only do that at the
3303 r = _bfd_relocate_contents (howto, input_bfd,
3306 contents + rel->r_offset);
3307 goto relocation_done;
3312 else if (! howto->partial_inplace)
3314 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3315 addend = rel->r_addend;
3317 else if ((sec->flags & SEC_MERGE)
3318 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
3322 if (howto->rightshift || howto->src_mask != 0xffffffff)
3324 (*_bfd_error_handler)
3325 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
3326 input_bfd, input_section,
3327 (long) rel->r_offset, howto->name);
3331 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
3334 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
3336 addend += msec->output_section->vma + msec->output_offset;
3337 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
3343 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
3346 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3347 while (h->root.type == bfd_link_hash_indirect
3348 || h->root.type == bfd_link_hash_warning)
3350 #ifdef INCLUDE_SHMEDIA
3351 /* If the reference passes a symbol marked with
3352 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
3354 seen_stt_datalabel |= h->type == STT_DATALABEL;
3356 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3358 if (h->root.type == bfd_link_hash_defined
3359 || h->root.type == bfd_link_hash_defweak)
3363 dyn = htab->root.dynamic_sections_created;
3364 sec = h->root.u.def.section;
3365 /* In these cases, we don't need the relocation value.
3366 We check specially because in some obscure cases
3367 sec->output_section will be NULL. */
3368 if (r_type == R_SH_GOTPC
3369 || r_type == R_SH_GOTPC_LOW16
3370 || r_type == R_SH_GOTPC_MEDLOW16
3371 || r_type == R_SH_GOTPC_MEDHI16
3372 || r_type == R_SH_GOTPC_HI16
3373 || ((r_type == R_SH_PLT32
3374 || r_type == R_SH_PLT_LOW16
3375 || r_type == R_SH_PLT_MEDLOW16
3376 || r_type == R_SH_PLT_MEDHI16
3377 || r_type == R_SH_PLT_HI16)
3378 && h->plt.offset != (bfd_vma) -1)
3379 || ((r_type == R_SH_GOT32
3380 || r_type == R_SH_GOT_LOW16
3381 || r_type == R_SH_GOT_MEDLOW16
3382 || r_type == R_SH_GOT_MEDHI16
3383 || r_type == R_SH_GOT_HI16)
3384 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
3386 || (! info->symbolic && h->dynindx != -1)
3387 || !h->def_regular))
3388 /* The cases above are those in which relocation is
3389 overwritten in the switch block below. The cases
3390 below are those in which we must defer relocation
3391 to run-time, because we can't resolve absolute
3392 addresses when creating a shared library. */
3394 && ((! info->symbolic && h->dynindx != -1)
3396 && ((r_type == R_SH_DIR32
3397 && !h->forced_local)
3398 || (r_type == R_SH_REL32
3399 && !SYMBOL_CALLS_LOCAL (info, h)))
3400 && ((input_section->flags & SEC_ALLOC) != 0
3401 /* DWARF will emit R_SH_DIR32 relocations in its
3402 sections against symbols defined externally
3403 in shared libraries. We can't do anything
3405 || ((input_section->flags & SEC_DEBUGGING) != 0
3406 && h->def_dynamic)))
3407 /* Dynamic relocs are not propagated for SEC_DEBUGGING
3408 sections because such sections are not SEC_ALLOC and
3409 thus ld.so will not process them. */
3410 || (sec->output_section == NULL
3411 && ((input_section->flags & SEC_DEBUGGING) != 0
3413 || (sec->output_section == NULL
3414 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
3415 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
3417 else if (sec->output_section != NULL)
3418 relocation = ((h->root.u.def.value
3419 + sec->output_section->vma
3420 + sec->output_offset)
3421 /* A STO_SH5_ISA32 causes a "bitor 1" to the
3422 symbol value, unless we've seen
3423 STT_DATALABEL on the way to it. */
3424 | ((h->other & STO_SH5_ISA32) != 0
3425 && ! seen_stt_datalabel));
3426 else if (!info->relocatable)
3428 (*_bfd_error_handler)
3429 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3432 (long) rel->r_offset,
3434 h->root.root.string);
3438 else if (h->root.type == bfd_link_hash_undefweak)
3440 else if (info->unresolved_syms_in_objects == RM_IGNORE
3441 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
3443 else if (!info->relocatable)
3445 if (! info->callbacks->undefined_symbol
3446 (info, h->root.root.string, input_bfd,
3447 input_section, rel->r_offset,
3448 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
3449 || ELF_ST_VISIBILITY (h->other))))
3454 if (sec != NULL && elf_discarded_section (sec))
3456 /* For relocs against symbols from removed linkonce sections,
3457 or sections discarded by a linker script, we just want the
3458 section contents zeroed. Avoid any special processing. */
3459 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
3465 if (info->relocatable)
3468 switch ((int) r_type)
3470 final_link_relocate:
3471 /* COFF relocs don't use the addend. The addend is used for
3472 R_SH_DIR32 to be compatible with other compilers. */
3473 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3474 contents, rel->r_offset,
3475 relocation, addend);
3479 goto final_link_relocate;
3484 /* If the reloc is against the start of this section, then
3485 the assembler has already taken care of it and the reloc
3486 is here only to assist in relaxing. If the reloc is not
3487 against the start of this section, then it's against an
3488 external symbol and we must deal with it ourselves. */
3489 if (input_section->output_section->vma + input_section->output_offset
3492 int disp = (relocation
3493 - input_section->output_section->vma
3494 - input_section->output_offset
3500 case R_SH_DIR8WPZ: mask = 1; break;
3501 case R_SH_DIR8WPL: mask = 3; break;
3502 default: mask = 0; break;
3506 ((*_bfd_error_handler)
3507 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
3508 input_section->owner,
3509 (unsigned long) rel->r_offset));
3510 bfd_set_error (bfd_error_bad_value);
3514 goto final_link_relocate;
3520 #ifdef INCLUDE_SHMEDIA
3521 if (shmedia_prepare_reloc (info, input_bfd, input_section,
3522 contents, rel, &relocation))
3523 goto final_link_relocate;
3525 bfd_set_error (bfd_error_bad_value);
3533 goto final_link_relocate;
3539 ((*_bfd_error_handler)
3540 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3541 input_section->owner,
3542 (unsigned long) rel->r_offset, howto->name,
3543 (unsigned long) relocation));
3544 bfd_set_error (bfd_error_bad_value);
3547 goto final_link_relocate;
3554 ((*_bfd_error_handler)
3555 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
3556 input_section->owner,
3557 (unsigned long) rel->r_offset, howto->name,
3558 (unsigned long) relocation));
3559 bfd_set_error (bfd_error_bad_value);
3562 goto final_link_relocate;
3565 if ((signed int)relocation < -32
3566 || (signed int)relocation > 32)
3568 ((*_bfd_error_handler)
3569 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
3570 input_section->owner,
3571 (unsigned long) rel->r_offset,
3572 (unsigned long) relocation));
3573 bfd_set_error (bfd_error_bad_value);
3576 goto final_link_relocate;
3579 if ((signed int)relocation < -16
3580 || (signed int)relocation > 16)
3582 ((*_bfd_error_handler)
3583 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
3584 input_section->owner,
3585 (unsigned long) rel->r_offset,
3586 (unsigned long) relocation));
3587 bfd_set_error (bfd_error_bad_value);
3590 goto final_link_relocate;
3594 #ifdef INCLUDE_SHMEDIA
3595 case R_SH_IMM_LOW16_PCREL:
3596 case R_SH_IMM_MEDLOW16_PCREL:
3597 case R_SH_IMM_MEDHI16_PCREL:
3598 case R_SH_IMM_HI16_PCREL:
3602 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3603 || h->root.type != bfd_link_hash_undefweak)
3605 && (input_section->flags & SEC_ALLOC) != 0
3607 && (r_type == R_SH_DIR32
3608 || !SYMBOL_CALLS_LOCAL (info, h)))
3610 Elf_Internal_Rela outrel;
3612 bfd_boolean skip, relocate;
3614 /* When generating a shared object, these relocations
3615 are copied into the output file to be resolved at run
3620 sreloc = _bfd_elf_get_dynamic_reloc_section
3621 (input_bfd, input_section, /*rela?*/ TRUE);
3630 _bfd_elf_section_offset (output_bfd, info, input_section,
3632 if (outrel.r_offset == (bfd_vma) -1)
3634 else if (outrel.r_offset == (bfd_vma) -2)
3635 skip = TRUE, relocate = TRUE;
3636 outrel.r_offset += (input_section->output_section->vma
3637 + input_section->output_offset);
3640 memset (&outrel, 0, sizeof outrel);
3641 else if (r_type == R_SH_REL32)
3643 BFD_ASSERT (h != NULL && h->dynindx != -1);
3644 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
3646 = (howto->partial_inplace
3647 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3650 #ifdef INCLUDE_SHMEDIA
3651 else if (r_type == R_SH_IMM_LOW16_PCREL
3652 || r_type == R_SH_IMM_MEDLOW16_PCREL
3653 || r_type == R_SH_IMM_MEDHI16_PCREL
3654 || r_type == R_SH_IMM_HI16_PCREL)
3656 BFD_ASSERT (h != NULL && h->dynindx != -1);
3657 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
3658 outrel.r_addend = addend;
3663 /* h->dynindx may be -1 if this symbol was marked to
3666 || ((info->symbolic || h->dynindx == -1)
3669 relocate = howto->partial_inplace;
3670 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
3674 BFD_ASSERT (h->dynindx != -1);
3675 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
3677 outrel.r_addend = relocation;
3679 += (howto->partial_inplace
3680 ? bfd_get_32 (input_bfd, contents + rel->r_offset)
3684 loc = sreloc->contents;
3685 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3686 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3688 /* If this reloc is against an external symbol, we do
3689 not want to fiddle with the addend. Otherwise, we
3690 need to include the symbol value so that it becomes
3691 an addend for the dynamic reloc. */
3695 goto final_link_relocate;
3698 #ifdef INCLUDE_SHMEDIA
3699 case R_SH_GOTPLT_LOW16:
3700 case R_SH_GOTPLT_MEDLOW16:
3701 case R_SH_GOTPLT_MEDHI16:
3702 case R_SH_GOTPLT_HI16:
3703 case R_SH_GOTPLT10BY4:
3704 case R_SH_GOTPLT10BY8:
3706 /* Relocation is to the entry for this symbol in the
3707 procedure linkage table. */
3714 || h->plt.offset == (bfd_vma) -1
3715 || h->got.offset != (bfd_vma) -1)
3718 /* Relocation is to the entry for this symbol in the global
3719 offset table extension for the procedure linkage table. */
3721 BFD_ASSERT (sgotplt != NULL);
3722 relocation = (sgotplt->output_offset
3723 + (get_plt_index (htab->plt_info, h->plt.offset)
3727 relocation -= GOT_BIAS;
3730 goto final_link_relocate;
3734 #ifdef INCLUDE_SHMEDIA
3735 case R_SH_GOT_LOW16:
3736 case R_SH_GOT_MEDLOW16:
3737 case R_SH_GOT_MEDHI16:
3742 /* Relocation is to the entry for this symbol in the global
3745 BFD_ASSERT (sgot != NULL);
3751 off = h->got.offset;
3752 #ifdef INCLUDE_SHMEDIA
3753 if (seen_stt_datalabel)
3755 struct elf_sh_link_hash_entry *hsh;
3757 hsh = (struct elf_sh_link_hash_entry *)h;
3758 off = hsh->datalabel_got.offset;
3761 BFD_ASSERT (off != (bfd_vma) -1);
3763 dyn = htab->root.dynamic_sections_created;
3764 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
3766 && SYMBOL_REFERENCES_LOCAL (info, h))
3767 || (ELF_ST_VISIBILITY (h->other)
3768 && h->root.type == bfd_link_hash_undefweak))
3770 /* This is actually a static link, or it is a
3771 -Bsymbolic link and the symbol is defined
3772 locally, or the symbol was forced to be local
3773 because of a version file. We must initialize
3774 this entry in the global offset table. Since the
3775 offset must always be a multiple of 4, we use the
3776 least significant bit to record whether we have
3777 initialized it already.
3779 When doing a dynamic link, we create a .rela.got
3780 relocation entry to initialize the value. This
3781 is done in the finish_dynamic_symbol routine. */
3786 bfd_put_32 (output_bfd, relocation,
3787 sgot->contents + off);
3788 #ifdef INCLUDE_SHMEDIA
3789 if (seen_stt_datalabel)
3791 struct elf_sh_link_hash_entry *hsh;
3793 hsh = (struct elf_sh_link_hash_entry *)h;
3794 hsh->datalabel_got.offset |= 1;
3802 relocation = sgot->output_offset + off;
3806 #ifdef INCLUDE_SHMEDIA
3809 BFD_ASSERT (local_got_offsets != NULL
3810 && (local_got_offsets[symtab_hdr->sh_info
3814 off = local_got_offsets[symtab_hdr->sh_info
3820 BFD_ASSERT (local_got_offsets != NULL
3821 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3823 off = local_got_offsets[r_symndx];
3824 #ifdef INCLUDE_SHMEDIA
3828 /* The offset must always be a multiple of 4. We use
3829 the least significant bit to record whether we have
3830 already generated the necessary reloc. */
3835 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
3839 Elf_Internal_Rela outrel;
3842 if (srelgot == NULL)
3844 srelgot = bfd_get_section_by_name (dynobj,
3846 BFD_ASSERT (srelgot != NULL);
3849 outrel.r_offset = (sgot->output_section->vma
3850 + sgot->output_offset
3852 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
3853 outrel.r_addend = relocation;
3854 loc = srelgot->contents;
3855 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
3856 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3859 #ifdef INCLUDE_SHMEDIA
3861 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
3864 local_got_offsets[r_symndx] |= 1;
3867 relocation = sgot->output_offset + off;
3871 relocation -= GOT_BIAS;
3874 goto final_link_relocate;
3877 #ifdef INCLUDE_SHMEDIA
3878 case R_SH_GOTOFF_LOW16:
3879 case R_SH_GOTOFF_MEDLOW16:
3880 case R_SH_GOTOFF_MEDHI16:
3881 case R_SH_GOTOFF_HI16:
3883 /* Relocation is relative to the start of the global offset
3886 BFD_ASSERT (sgot != NULL);
3888 /* Note that sgot->output_offset is not involved in this
3889 calculation. We always want the start of .got. If we
3890 defined _GLOBAL_OFFSET_TABLE in a different way, as is
3891 permitted by the ABI, we might have to change this
3893 relocation -= sgot->output_section->vma;
3896 relocation -= GOT_BIAS;
3899 addend = rel->r_addend;
3901 goto final_link_relocate;
3904 #ifdef INCLUDE_SHMEDIA
3905 case R_SH_GOTPC_LOW16:
3906 case R_SH_GOTPC_MEDLOW16:
3907 case R_SH_GOTPC_MEDHI16:
3908 case R_SH_GOTPC_HI16:
3910 /* Use global offset table as symbol value. */
3912 BFD_ASSERT (sgot != NULL);
3913 relocation = sgot->output_section->vma;
3916 relocation += GOT_BIAS;
3919 addend = rel->r_addend;
3921 goto final_link_relocate;
3924 #ifdef INCLUDE_SHMEDIA
3925 case R_SH_PLT_LOW16:
3926 case R_SH_PLT_MEDLOW16:
3927 case R_SH_PLT_MEDHI16:
3930 /* Relocation is to the entry for this symbol in the
3931 procedure linkage table. */
3933 /* Resolve a PLT reloc against a local symbol directly,
3934 without using the procedure linkage table. */
3936 goto final_link_relocate;
3938 if (h->forced_local)
3939 goto final_link_relocate;
3941 if (h->plt.offset == (bfd_vma) -1)
3943 /* We didn't make a PLT entry for this symbol. This
3944 happens when statically linking PIC code, or when
3945 using -Bsymbolic. */
3946 goto final_link_relocate;
3949 BFD_ASSERT (splt != NULL);
3950 relocation = (splt->output_section->vma
3951 + splt->output_offset
3954 #ifdef INCLUDE_SHMEDIA
3958 addend = rel->r_addend;
3960 goto final_link_relocate;
3962 case R_SH_LOOP_START:
3964 static bfd_vma start, end;
3966 start = (relocation + rel->r_addend
3967 - (sec->output_section->vma + sec->output_offset));
3968 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3969 rel->r_offset, sec, start, end);
3973 end = (relocation + rel->r_addend
3974 - (sec->output_section->vma + sec->output_offset));
3975 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
3976 rel->r_offset, sec, start, end);
3980 case R_SH_TLS_GD_32:
3981 case R_SH_TLS_IE_32:
3982 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
3983 tls_type = GOT_UNKNOWN;
3984 if (h == NULL && local_got_offsets)
3985 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
3988 tls_type = sh_elf_hash_entry (h)->tls_type;
3990 && (h->dynindx == -1
3992 r_type = R_SH_TLS_LE_32;
3995 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
3996 r_type = R_SH_TLS_IE_32;
3998 if (r_type == R_SH_TLS_LE_32)
4001 unsigned short insn;
4003 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
4005 /* GD->LE transition:
4006 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4007 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4008 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4010 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
4012 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
4014 offset = rel->r_offset;
4015 BFD_ASSERT (offset >= 16);
4016 /* Size of GD instructions is 16 or 18. */
4018 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4019 if ((insn & 0xff00) == 0xc700)
4021 BFD_ASSERT (offset >= 2);
4023 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4026 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4027 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4028 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4029 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4030 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4031 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4032 BFD_ASSERT (insn == 0x310c);
4033 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4034 BFD_ASSERT (insn == 0x410b);
4035 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4036 BFD_ASSERT (insn == 0x34cc);
4038 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
4039 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
4040 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4041 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4042 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4048 /* IE->LE transition:
4049 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
4050 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
4052 mov.l .Ln,rM; stc gbr,rN; nop; ...;
4055 offset = rel->r_offset;
4056 BFD_ASSERT (offset >= 16);
4057 /* Size of IE instructions is 10 or 12. */
4059 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4060 if ((insn & 0xf0ff) == 0x0012)
4062 BFD_ASSERT (offset >= 2);
4064 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4067 BFD_ASSERT ((insn & 0xff00) == 0xd000);
4068 index = insn & 0x00ff;
4069 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4070 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
4071 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4072 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
4073 insn = 0xd000 | (insn & 0x0f00) | index;
4074 bfd_put_16 (output_bfd, insn, contents + offset + 0);
4075 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4078 bfd_put_32 (output_bfd, tpoff (info, relocation),
4079 contents + rel->r_offset);
4088 off = h->got.offset;
4091 if (local_got_offsets == NULL)
4094 off = local_got_offsets[r_symndx];
4097 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
4098 if (r_type == R_SH_TLS_IE_32
4099 && ! htab->root.dynamic_sections_created)
4102 bfd_put_32 (output_bfd, tpoff (info, relocation),
4103 sgot->contents + off);
4104 bfd_put_32 (output_bfd, sgot->output_offset + off,
4105 contents + rel->r_offset);
4113 Elf_Internal_Rela outrel;
4117 if (srelgot == NULL)
4119 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4120 BFD_ASSERT (srelgot != NULL);
4123 outrel.r_offset = (sgot->output_section->vma
4124 + sgot->output_offset + off);
4126 if (h == NULL || h->dynindx == -1)
4131 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
4133 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
4134 outrel.r_addend = relocation - dtpoff_base (info);
4136 outrel.r_addend = 0;
4137 outrel.r_info = ELF32_R_INFO (indx, dr_type);
4138 loc = srelgot->contents;
4139 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4140 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4142 if (r_type == R_SH_TLS_GD_32)
4146 bfd_put_32 (output_bfd,
4147 relocation - dtpoff_base (info),
4148 sgot->contents + off + 4);
4152 outrel.r_info = ELF32_R_INFO (indx,
4154 outrel.r_offset += 4;
4155 outrel.r_addend = 0;
4156 srelgot->reloc_count++;
4157 loc += sizeof (Elf32_External_Rela);
4158 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4165 local_got_offsets[r_symndx] |= 1;
4168 if (off >= (bfd_vma) -2)
4171 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
4172 relocation = sgot->output_offset + off;
4176 unsigned short insn;
4178 /* GD->IE transition:
4179 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4180 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4181 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
4183 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
4184 nop; nop; bra 3f; nop; .align 2;
4185 1: .long x@TPOFF; 2:...; 3:. */
4187 offset = rel->r_offset;
4188 BFD_ASSERT (offset >= 16);
4189 /* Size of GD instructions is 16 or 18. */
4191 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4192 if ((insn & 0xff00) == 0xc700)
4194 BFD_ASSERT (offset >= 2);
4196 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4199 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4201 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
4202 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
4204 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4205 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4206 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4207 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4208 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4209 BFD_ASSERT (insn == 0x310c);
4210 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4211 BFD_ASSERT (insn == 0x410b);
4212 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4213 BFD_ASSERT (insn == 0x34cc);
4215 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
4216 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
4217 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
4218 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4219 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4221 bfd_put_32 (output_bfd, sgot->output_offset + off,
4222 contents + rel->r_offset);
4227 addend = rel->r_addend;
4229 goto final_link_relocate;
4231 case R_SH_TLS_LD_32:
4235 unsigned short insn;
4237 /* LD->LE transition:
4238 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
4239 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
4240 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
4242 stc gbr,r0; nop; nop; nop;
4243 nop; nop; bra 3f; ...; 3:. */
4245 offset = rel->r_offset;
4246 BFD_ASSERT (offset >= 16);
4247 /* Size of LD instructions is 16 or 18. */
4249 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4250 if ((insn & 0xff00) == 0xc700)
4252 BFD_ASSERT (offset >= 2);
4254 insn = bfd_get_16 (input_bfd, contents + offset + 0);
4257 BFD_ASSERT ((insn & 0xff00) == 0xd400);
4258 insn = bfd_get_16 (input_bfd, contents + offset + 2);
4259 BFD_ASSERT ((insn & 0xff00) == 0xc700);
4260 insn = bfd_get_16 (input_bfd, contents + offset + 4);
4261 BFD_ASSERT ((insn & 0xff00) == 0xd100);
4262 insn = bfd_get_16 (input_bfd, contents + offset + 6);
4263 BFD_ASSERT (insn == 0x310c);
4264 insn = bfd_get_16 (input_bfd, contents + offset + 8);
4265 BFD_ASSERT (insn == 0x410b);
4266 insn = bfd_get_16 (input_bfd, contents + offset + 10);
4267 BFD_ASSERT (insn == 0x34cc);
4269 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
4270 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
4271 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
4272 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
4273 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
4274 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
4283 off = htab->tls_ldm_got.offset;
4288 Elf_Internal_Rela outrel;
4291 srelgot = htab->srelgot;
4292 if (srelgot == NULL)
4295 outrel.r_offset = (sgot->output_section->vma
4296 + sgot->output_offset + off);
4297 outrel.r_addend = 0;
4298 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
4299 loc = srelgot->contents;
4300 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
4301 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4302 htab->tls_ldm_got.offset |= 1;
4305 relocation = sgot->output_offset + off;
4306 addend = rel->r_addend;
4308 goto final_link_relocate;
4310 case R_SH_TLS_LDO_32:
4312 relocation = tpoff (info, relocation);
4314 relocation -= dtpoff_base (info);
4316 addend = rel->r_addend;
4317 goto final_link_relocate;
4319 case R_SH_TLS_LE_32:
4322 Elf_Internal_Rela outrel;
4327 relocation = tpoff (info, relocation);
4328 addend = rel->r_addend;
4329 goto final_link_relocate;
4334 sreloc = _bfd_elf_get_dynamic_reloc_section
4335 (input_bfd, input_section, /*rela?*/ TRUE);
4340 if (h == NULL || h->dynindx == -1)
4345 outrel.r_offset = (input_section->output_section->vma
4346 + input_section->output_offset
4348 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
4350 outrel.r_addend = relocation - dtpoff_base (info);
4352 outrel.r_addend = 0;
4354 loc = sreloc->contents;
4355 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4356 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4362 if (r != bfd_reloc_ok)
4367 case bfd_reloc_outofrange:
4369 case bfd_reloc_overflow:
4377 name = (bfd_elf_string_from_elf_section
4378 (input_bfd, symtab_hdr->sh_link, sym->st_name));
4382 name = bfd_section_name (input_bfd, sec);
4384 if (! ((*info->callbacks->reloc_overflow)
4385 (info, (h ? &h->root : NULL), name, howto->name,
4386 (bfd_vma) 0, input_bfd, input_section,
4398 /* This is a version of bfd_generic_get_relocated_section_contents
4399 which uses sh_elf_relocate_section. */
4402 sh_elf_get_relocated_section_contents (bfd *output_bfd,
4403 struct bfd_link_info *link_info,
4404 struct bfd_link_order *link_order,
4406 bfd_boolean relocatable,
4409 Elf_Internal_Shdr *symtab_hdr;
4410 asection *input_section = link_order->u.indirect.section;
4411 bfd *input_bfd = input_section->owner;
4412 asection **sections = NULL;
4413 Elf_Internal_Rela *internal_relocs = NULL;
4414 Elf_Internal_Sym *isymbuf = NULL;
4416 /* We only need to handle the case of relaxing, or of having a
4417 particular set of section contents, specially. */
4419 || elf_section_data (input_section)->this_hdr.contents == NULL)
4420 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4425 symtab_hdr = &elf_symtab_hdr (input_bfd);
4427 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
4428 (size_t) input_section->size);
4430 if ((input_section->flags & SEC_RELOC) != 0
4431 && input_section->reloc_count > 0)
4434 Elf_Internal_Sym *isym, *isymend;
4437 internal_relocs = (_bfd_elf_link_read_relocs
4438 (input_bfd, input_section, NULL,
4439 (Elf_Internal_Rela *) NULL, FALSE));
4440 if (internal_relocs == NULL)
4443 if (symtab_hdr->sh_info != 0)
4445 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4446 if (isymbuf == NULL)
4447 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4448 symtab_hdr->sh_info, 0,
4450 if (isymbuf == NULL)
4454 amt = symtab_hdr->sh_info;
4455 amt *= sizeof (asection *);
4456 sections = (asection **) bfd_malloc (amt);
4457 if (sections == NULL && amt != 0)
4460 isymend = isymbuf + symtab_hdr->sh_info;
4461 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
4465 if (isym->st_shndx == SHN_UNDEF)
4466 isec = bfd_und_section_ptr;
4467 else if (isym->st_shndx == SHN_ABS)
4468 isec = bfd_abs_section_ptr;
4469 else if (isym->st_shndx == SHN_COMMON)
4470 isec = bfd_com_section_ptr;
4472 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
4477 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
4478 input_section, data, internal_relocs,
4482 if (sections != NULL)
4485 && symtab_hdr->contents != (unsigned char *) isymbuf)
4487 if (elf_section_data (input_section)->relocs != internal_relocs)
4488 free (internal_relocs);
4494 if (sections != NULL)
4497 && symtab_hdr->contents != (unsigned char *) isymbuf)
4499 if (internal_relocs != NULL
4500 && elf_section_data (input_section)->relocs != internal_relocs)
4501 free (internal_relocs);
4505 /* Return the base VMA address which should be subtracted from real addresses
4506 when resolving @dtpoff relocation.
4507 This is PT_TLS segment p_vaddr. */
4510 dtpoff_base (struct bfd_link_info *info)
4512 /* If tls_sec is NULL, we should have signalled an error already. */
4513 if (elf_hash_table (info)->tls_sec == NULL)
4515 return elf_hash_table (info)->tls_sec->vma;
4518 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
4521 tpoff (struct bfd_link_info *info, bfd_vma address)
4523 /* If tls_sec is NULL, we should have signalled an error already. */
4524 if (elf_hash_table (info)->tls_sec == NULL)
4526 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
4527 structure which has 2 pointer fields. */
4528 return (address - elf_hash_table (info)->tls_sec->vma
4529 + align_power ((bfd_vma) 8,
4530 elf_hash_table (info)->tls_sec->alignment_power));
4534 sh_elf_gc_mark_hook (asection *sec,
4535 struct bfd_link_info *info,
4536 Elf_Internal_Rela *rel,
4537 struct elf_link_hash_entry *h,
4538 Elf_Internal_Sym *sym)
4541 switch (ELF32_R_TYPE (rel->r_info))
4543 case R_SH_GNU_VTINHERIT:
4544 case R_SH_GNU_VTENTRY:
4548 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
4551 /* Update the got entry reference counts for the section being removed. */
4554 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
4555 asection *sec, const Elf_Internal_Rela *relocs)
4557 Elf_Internal_Shdr *symtab_hdr;
4558 struct elf_link_hash_entry **sym_hashes;
4559 bfd_signed_vma *local_got_refcounts;
4560 const Elf_Internal_Rela *rel, *relend;
4562 if (info->relocatable)
4565 elf_section_data (sec)->local_dynrel = NULL;
4567 symtab_hdr = &elf_symtab_hdr (abfd);
4568 sym_hashes = elf_sym_hashes (abfd);
4569 local_got_refcounts = elf_local_got_refcounts (abfd);
4571 relend = relocs + sec->reloc_count;
4572 for (rel = relocs; rel < relend; rel++)
4574 unsigned long r_symndx;
4575 unsigned int r_type;
4576 struct elf_link_hash_entry *h = NULL;
4577 #ifdef INCLUDE_SHMEDIA
4578 int seen_stt_datalabel = 0;
4581 r_symndx = ELF32_R_SYM (rel->r_info);
4582 if (r_symndx >= symtab_hdr->sh_info)
4584 struct elf_sh_link_hash_entry *eh;
4585 struct elf_sh_dyn_relocs **pp;
4586 struct elf_sh_dyn_relocs *p;
4588 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4589 while (h->root.type == bfd_link_hash_indirect
4590 || h->root.type == bfd_link_hash_warning)
4592 #ifdef INCLUDE_SHMEDIA
4593 seen_stt_datalabel |= h->type == STT_DATALABEL;
4595 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4597 eh = (struct elf_sh_link_hash_entry *) h;
4598 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
4601 /* Everything must go for SEC. */
4607 r_type = ELF32_R_TYPE (rel->r_info);
4608 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
4610 case R_SH_TLS_LD_32:
4611 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
4612 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
4618 #ifdef INCLUDE_SHMEDIA
4619 case R_SH_GOT_LOW16:
4620 case R_SH_GOT_MEDLOW16:
4621 case R_SH_GOT_MEDHI16:
4625 case R_SH_GOTOFF_LOW16:
4626 case R_SH_GOTOFF_MEDLOW16:
4627 case R_SH_GOTOFF_MEDHI16:
4628 case R_SH_GOTOFF_HI16:
4629 case R_SH_GOTPC_LOW16:
4630 case R_SH_GOTPC_MEDLOW16:
4631 case R_SH_GOTPC_MEDHI16:
4632 case R_SH_GOTPC_HI16:
4634 case R_SH_TLS_GD_32:
4635 case R_SH_TLS_IE_32:
4638 #ifdef INCLUDE_SHMEDIA
4639 if (seen_stt_datalabel)
4641 struct elf_sh_link_hash_entry *eh;
4642 eh = (struct elf_sh_link_hash_entry *) h;
4643 if (eh->datalabel_got.refcount > 0)
4644 eh->datalabel_got.refcount -= 1;
4648 if (h->got.refcount > 0)
4649 h->got.refcount -= 1;
4651 else if (local_got_refcounts != NULL)
4653 #ifdef INCLUDE_SHMEDIA
4654 if (rel->r_addend & 1)
4656 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4657 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4661 if (local_got_refcounts[r_symndx] > 0)
4662 local_got_refcounts[r_symndx] -= 1;
4673 #ifdef INCLUDE_SHMEDIA
4674 case R_SH_PLT_LOW16:
4675 case R_SH_PLT_MEDLOW16:
4676 case R_SH_PLT_MEDHI16:
4681 if (h->plt.refcount > 0)
4682 h->plt.refcount -= 1;
4687 #ifdef INCLUDE_SHMEDIA
4688 case R_SH_GOTPLT_LOW16:
4689 case R_SH_GOTPLT_MEDLOW16:
4690 case R_SH_GOTPLT_MEDHI16:
4691 case R_SH_GOTPLT_HI16:
4692 case R_SH_GOTPLT10BY4:
4693 case R_SH_GOTPLT10BY8:
4697 struct elf_sh_link_hash_entry *eh;
4698 eh = (struct elf_sh_link_hash_entry *) h;
4699 if (eh->gotplt_refcount > 0)
4701 eh->gotplt_refcount -= 1;
4702 if (h->plt.refcount > 0)
4703 h->plt.refcount -= 1;
4705 #ifdef INCLUDE_SHMEDIA
4706 else if (seen_stt_datalabel)
4708 if (eh->datalabel_got.refcount > 0)
4709 eh->datalabel_got.refcount -= 1;
4712 else if (h->got.refcount > 0)
4713 h->got.refcount -= 1;
4715 else if (local_got_refcounts != NULL)
4717 #ifdef INCLUDE_SHMEDIA
4718 if (rel->r_addend & 1)
4720 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
4721 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
4725 if (local_got_refcounts[r_symndx] > 0)
4726 local_got_refcounts[r_symndx] -= 1;
4738 /* Copy the extra info we tack onto an elf_link_hash_entry. */
4741 sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
4742 struct elf_link_hash_entry *dir,
4743 struct elf_link_hash_entry *ind)
4745 struct elf_sh_link_hash_entry *edir, *eind;
4747 edir = (struct elf_sh_link_hash_entry *) dir;
4748 eind = (struct elf_sh_link_hash_entry *) ind;
4750 if (eind->dyn_relocs != NULL)
4752 if (edir->dyn_relocs != NULL)
4754 struct elf_sh_dyn_relocs **pp;
4755 struct elf_sh_dyn_relocs *p;
4757 /* Add reloc counts against the indirect sym to the direct sym
4758 list. Merge any entries against the same section. */
4759 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
4761 struct elf_sh_dyn_relocs *q;
4763 for (q = edir->dyn_relocs; q != NULL; q = q->next)
4764 if (q->sec == p->sec)
4766 q->pc_count += p->pc_count;
4767 q->count += p->count;
4774 *pp = edir->dyn_relocs;
4777 edir->dyn_relocs = eind->dyn_relocs;
4778 eind->dyn_relocs = NULL;
4780 edir->gotplt_refcount = eind->gotplt_refcount;
4781 eind->gotplt_refcount = 0;
4782 #ifdef INCLUDE_SHMEDIA
4783 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
4784 eind->datalabel_got.refcount = 0;
4787 if (ind->root.type == bfd_link_hash_indirect
4788 && dir->got.refcount <= 0)
4790 edir->tls_type = eind->tls_type;
4791 eind->tls_type = GOT_UNKNOWN;
4794 if (ind->root.type != bfd_link_hash_indirect
4795 && dir->dynamic_adjusted)
4797 /* If called to transfer flags for a weakdef during processing
4798 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
4799 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
4800 dir->ref_dynamic |= ind->ref_dynamic;
4801 dir->ref_regular |= ind->ref_regular;
4802 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
4803 dir->needs_plt |= ind->needs_plt;
4806 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
4810 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
4818 case R_SH_TLS_GD_32:
4819 case R_SH_TLS_IE_32:
4821 return R_SH_TLS_LE_32;
4822 return R_SH_TLS_IE_32;
4823 case R_SH_TLS_LD_32:
4824 return R_SH_TLS_LE_32;
4830 /* Look through the relocs for a section during the first phase.
4831 Since we don't do .gots or .plts, we just need to consider the
4832 virtual table relocs for gc. */
4835 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
4836 const Elf_Internal_Rela *relocs)
4838 Elf_Internal_Shdr *symtab_hdr;
4839 struct elf_link_hash_entry **sym_hashes;
4840 struct elf_sh_link_hash_table *htab;
4841 const Elf_Internal_Rela *rel;
4842 const Elf_Internal_Rela *rel_end;
4843 bfd_vma *local_got_offsets;
4847 unsigned int r_type;
4848 int tls_type, old_tls_type;
4854 if (info->relocatable)
4857 BFD_ASSERT (is_sh_elf (abfd));
4859 symtab_hdr = &elf_symtab_hdr (abfd);
4860 sym_hashes = elf_sym_hashes (abfd);
4862 htab = sh_elf_hash_table (info);
4863 local_got_offsets = elf_local_got_offsets (abfd);
4865 rel_end = relocs + sec->reloc_count;
4866 for (rel = relocs; rel < rel_end; rel++)
4868 struct elf_link_hash_entry *h;
4869 unsigned long r_symndx;
4870 #ifdef INCLUDE_SHMEDIA
4871 int seen_stt_datalabel = 0;
4874 r_symndx = ELF32_R_SYM (rel->r_info);
4875 r_type = ELF32_R_TYPE (rel->r_info);
4877 if (r_symndx < symtab_hdr->sh_info)
4881 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4882 while (h->root.type == bfd_link_hash_indirect
4883 || h->root.type == bfd_link_hash_warning)
4885 #ifdef INCLUDE_SHMEDIA
4886 seen_stt_datalabel |= h->type == STT_DATALABEL;
4888 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4892 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
4894 && r_type == R_SH_TLS_IE_32
4896 && h->root.type != bfd_link_hash_undefined
4897 && h->root.type != bfd_link_hash_undefweak
4898 && (h->dynindx == -1
4900 r_type = R_SH_TLS_LE_32;
4902 /* Some relocs require a global offset table. */
4903 if (htab->sgot == NULL)
4911 #ifdef INCLUDE_SHMEDIA
4912 case R_SH_GOTPLT_LOW16:
4913 case R_SH_GOTPLT_MEDLOW16:
4914 case R_SH_GOTPLT_MEDHI16:
4915 case R_SH_GOTPLT_HI16:
4916 case R_SH_GOTPLT10BY4:
4917 case R_SH_GOTPLT10BY8:
4918 case R_SH_GOT_LOW16:
4919 case R_SH_GOT_MEDLOW16:
4920 case R_SH_GOT_MEDHI16:
4924 case R_SH_GOTOFF_LOW16:
4925 case R_SH_GOTOFF_MEDLOW16:
4926 case R_SH_GOTOFF_MEDHI16:
4927 case R_SH_GOTOFF_HI16:
4928 case R_SH_GOTPC_LOW16:
4929 case R_SH_GOTPC_MEDLOW16:
4930 case R_SH_GOTPC_MEDHI16:
4931 case R_SH_GOTPC_HI16:
4933 case R_SH_TLS_GD_32:
4934 case R_SH_TLS_LD_32:
4935 case R_SH_TLS_IE_32:
4936 if (htab->sgot == NULL)
4938 if (htab->root.dynobj == NULL)
4939 htab->root.dynobj = abfd;
4940 if (!create_got_section (htab->root.dynobj, info))
4952 /* This relocation describes the C++ object vtable hierarchy.
4953 Reconstruct it for later use during GC. */
4954 case R_SH_GNU_VTINHERIT:
4955 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
4959 /* This relocation describes which C++ vtable entries are actually
4960 used. Record for later use during GC. */
4961 case R_SH_GNU_VTENTRY:
4962 BFD_ASSERT (h != NULL);
4964 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
4968 case R_SH_TLS_IE_32:
4970 info->flags |= DF_STATIC_TLS;
4974 case R_SH_TLS_GD_32:
4976 #ifdef INCLUDE_SHMEDIA
4977 case R_SH_GOT_LOW16:
4978 case R_SH_GOT_MEDLOW16:
4979 case R_SH_GOT_MEDHI16:
4987 tls_type = GOT_NORMAL;
4989 case R_SH_TLS_GD_32:
4990 tls_type = GOT_TLS_GD;
4992 case R_SH_TLS_IE_32:
4993 tls_type = GOT_TLS_IE;
4999 #ifdef INCLUDE_SHMEDIA
5000 if (seen_stt_datalabel)
5002 struct elf_sh_link_hash_entry *eh
5003 = (struct elf_sh_link_hash_entry *) h;
5005 eh->datalabel_got.refcount += 1;
5009 h->got.refcount += 1;
5010 old_tls_type = sh_elf_hash_entry (h)->tls_type;
5014 bfd_signed_vma *local_got_refcounts;
5016 /* This is a global offset table entry for a local
5018 local_got_refcounts = elf_local_got_refcounts (abfd);
5019 if (local_got_refcounts == NULL)
5023 size = symtab_hdr->sh_info;
5024 size *= sizeof (bfd_signed_vma);
5025 #ifdef INCLUDE_SHMEDIA
5026 /* Reserve space for both the datalabel and
5027 codelabel local GOT offsets. */
5030 size += symtab_hdr->sh_info;
5031 local_got_refcounts = ((bfd_signed_vma *)
5032 bfd_zalloc (abfd, size));
5033 if (local_got_refcounts == NULL)
5035 elf_local_got_refcounts (abfd) = local_got_refcounts;
5036 #ifdef INCLUDE_SHMEDIA
5037 /* Take care of both the datalabel and codelabel local
5039 sh_elf_local_got_tls_type (abfd)
5040 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
5042 sh_elf_local_got_tls_type (abfd)
5043 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
5046 #ifdef INCLUDE_SHMEDIA
5047 if (rel->r_addend & 1)
5048 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
5051 local_got_refcounts[r_symndx] += 1;
5052 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
5055 /* If a TLS symbol is accessed using IE at least once,
5056 there is no point to use dynamic model for it. */
5057 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
5058 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
5060 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
5061 tls_type = GOT_TLS_IE;
5064 (*_bfd_error_handler)
5065 (_("%B: `%s' accessed both as normal and thread local symbol"),
5066 abfd, h->root.root.string);
5071 if (old_tls_type != tls_type)
5074 sh_elf_hash_entry (h)->tls_type = tls_type;
5076 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
5081 case R_SH_TLS_LD_32:
5082 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
5086 #ifdef INCLUDE_SHMEDIA
5087 case R_SH_GOTPLT_LOW16:
5088 case R_SH_GOTPLT_MEDLOW16:
5089 case R_SH_GOTPLT_MEDHI16:
5090 case R_SH_GOTPLT_HI16:
5091 case R_SH_GOTPLT10BY4:
5092 case R_SH_GOTPLT10BY8:
5094 /* If this is a local symbol, we resolve it directly without
5095 creating a procedure linkage table entry. */
5101 || h->dynindx == -1)
5105 h->plt.refcount += 1;
5106 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
5111 #ifdef INCLUDE_SHMEDIA
5112 case R_SH_PLT_LOW16:
5113 case R_SH_PLT_MEDLOW16:
5114 case R_SH_PLT_MEDHI16:
5117 /* This symbol requires a procedure linkage table entry. We
5118 actually build the entry in adjust_dynamic_symbol,
5119 because this might be a case of linking PIC code which is
5120 never referenced by a dynamic object, in which case we
5121 don't need to generate a procedure linkage table entry
5124 /* If this is a local symbol, we resolve it directly without
5125 creating a procedure linkage table entry. */
5129 if (h->forced_local)
5133 h->plt.refcount += 1;
5138 #ifdef INCLUDE_SHMEDIA
5139 case R_SH_IMM_LOW16_PCREL:
5140 case R_SH_IMM_MEDLOW16_PCREL:
5141 case R_SH_IMM_MEDHI16_PCREL:
5142 case R_SH_IMM_HI16_PCREL:
5144 if (h != NULL && ! info->shared)
5147 h->plt.refcount += 1;
5150 /* If we are creating a shared library, and this is a reloc
5151 against a global symbol, or a non PC relative reloc
5152 against a local symbol, then we need to copy the reloc
5153 into the shared library. However, if we are linking with
5154 -Bsymbolic, we do not need to copy a reloc against a
5155 global symbol which is defined in an object we are
5156 including in the link (i.e., DEF_REGULAR is set). At
5157 this point we have not seen all the input files, so it is
5158 possible that DEF_REGULAR is not set now but will be set
5159 later (it is never cleared). We account for that
5160 possibility below by storing information in the
5161 dyn_relocs field of the hash table entry. A similar
5162 situation occurs when creating shared libraries and symbol
5163 visibility changes render the symbol local.
5165 If on the other hand, we are creating an executable, we
5166 may need to keep relocations for symbols satisfied by a
5167 dynamic library if we manage to avoid copy relocs for the
5170 && (sec->flags & SEC_ALLOC) != 0
5171 && (r_type != R_SH_REL32
5173 && (! info->symbolic
5174 || h->root.type == bfd_link_hash_defweak
5175 || !h->def_regular))))
5177 && (sec->flags & SEC_ALLOC) != 0
5179 && (h->root.type == bfd_link_hash_defweak
5180 || !h->def_regular)))
5182 struct elf_sh_dyn_relocs *p;
5183 struct elf_sh_dyn_relocs **head;
5185 if (htab->root.dynobj == NULL)
5186 htab->root.dynobj = abfd;
5188 /* When creating a shared object, we must copy these
5189 reloc types into the output file. We create a reloc
5190 section in dynobj and make room for this reloc. */
5193 sreloc = _bfd_elf_make_dynamic_reloc_section
5194 (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
5200 /* If this is a global symbol, we count the number of
5201 relocations we need for this symbol. */
5203 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5209 /* Track dynamic relocs needed for local syms too. */
5210 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
5215 vpp = &elf_section_data (s)->local_dynrel;
5216 head = (struct elf_sh_dyn_relocs **) vpp;
5220 if (p == NULL || p->sec != sec)
5222 bfd_size_type amt = sizeof (*p);
5223 p = bfd_alloc (htab->root.dynobj, amt);
5234 if (r_type == R_SH_REL32
5235 #ifdef INCLUDE_SHMEDIA
5236 || r_type == R_SH_IMM_LOW16_PCREL
5237 || r_type == R_SH_IMM_MEDLOW16_PCREL
5238 || r_type == R_SH_IMM_MEDHI16_PCREL
5239 || r_type == R_SH_IMM_HI16_PCREL
5247 case R_SH_TLS_LE_32:
5250 (*_bfd_error_handler)
5251 (_("%B: TLS local exec code cannot be linked into shared objects"),
5258 case R_SH_TLS_LDO_32:
5259 /* Nothing to do. */
5270 #ifndef sh_elf_set_mach_from_flags
5271 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
5274 sh_elf_set_mach_from_flags (bfd *abfd)
5276 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
5278 if (flags >= sizeof(sh_ef_bfd_table))
5281 if (sh_ef_bfd_table[flags] == 0)
5284 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
5290 /* Reverse table lookup for sh_ef_bfd_table[].
5291 Given a bfd MACH value from archures.c
5292 return the equivalent ELF flags from the table.
5293 Return -1 if no match is found. */
5296 sh_elf_get_flags_from_mach (unsigned long mach)
5298 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
5301 if (sh_ef_bfd_table[i] == mach)
5304 /* shouldn't get here */
5309 #endif /* not sh_elf_set_mach_from_flags */
5311 #ifndef sh_elf_set_private_flags
5312 /* Function to keep SH specific file flags. */
5315 sh_elf_set_private_flags (bfd *abfd, flagword flags)
5317 BFD_ASSERT (! elf_flags_init (abfd)
5318 || elf_elfheader (abfd)->e_flags == flags);
5320 elf_elfheader (abfd)->e_flags = flags;
5321 elf_flags_init (abfd) = TRUE;
5322 return sh_elf_set_mach_from_flags (abfd);
5324 #endif /* not sh_elf_set_private_flags */
5326 #ifndef sh_elf_copy_private_data
5327 /* Copy backend specific data from one object module to another */
5330 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
5332 /* Copy object attributes. */
5333 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5335 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5338 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
5340 #endif /* not sh_elf_copy_private_data */
5342 #ifndef sh_elf_merge_private_data
5344 /* This function returns the ELF architecture number that
5345 corresponds to the given arch_sh* flags. */
5348 sh_find_elf_flags (unsigned int arch_set)
5350 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
5351 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
5353 return sh_elf_get_flags_from_mach (bfd_mach);
5356 /* This routine initialises the elf flags when required and
5357 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
5360 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
5362 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
5364 if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
5367 if (! elf_flags_init (obfd))
5369 /* This happens when ld starts out with a 'blank' output file. */
5370 elf_flags_init (obfd) = TRUE;
5371 elf_elfheader (obfd)->e_flags = EF_SH1;
5372 sh_elf_set_mach_from_flags (obfd);
5375 if (! sh_merge_bfd_arch (ibfd, obfd))
5377 _bfd_error_handler ("%B: uses instructions which are incompatible "
5378 "with instructions used in previous modules",
5380 bfd_set_error (bfd_error_bad_value);
5384 elf_elfheader (obfd)->e_flags =
5385 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
5389 #endif /* not sh_elf_merge_private_data */
5391 /* Override the generic function because we need to store sh_elf_obj_tdata
5392 as the specific tdata. We set also the machine architecture from flags
5396 sh_elf_object_p (bfd *abfd)
5398 return sh_elf_set_mach_from_flags (abfd);
5401 /* Finish up dynamic symbol handling. We set the contents of various
5402 dynamic sections here. */
5405 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
5406 struct elf_link_hash_entry *h,
5407 Elf_Internal_Sym *sym)
5409 struct elf_sh_link_hash_table *htab;
5411 htab = sh_elf_hash_table (info);
5413 if (h->plt.offset != (bfd_vma) -1)
5421 Elf_Internal_Rela rel;
5424 /* This symbol has an entry in the procedure linkage table. Set
5427 BFD_ASSERT (h->dynindx != -1);
5430 sgot = htab->sgotplt;
5431 srel = htab->srelplt;
5432 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5434 /* Get the index in the procedure linkage table which
5435 corresponds to this symbol. This is the index of this symbol
5436 in all the symbols for which we are making plt entries. The
5437 first entry in the procedure linkage table is reserved. */
5438 plt_index = get_plt_index (htab->plt_info, h->plt.offset);
5440 /* Get the offset into the .got table of the entry that
5441 corresponds to this function. Each .got entry is 4 bytes.
5442 The first three are reserved. */
5443 got_offset = (plt_index + 3) * 4;
5447 got_offset -= GOT_BIAS;
5450 /* Fill in the entry in the procedure linkage table. */
5451 memcpy (splt->contents + h->plt.offset,
5452 htab->plt_info->symbol_entry,
5453 htab->plt_info->symbol_entry_size);
5456 install_plt_field (output_bfd, FALSE, got_offset,
5459 + htab->plt_info->symbol_fields.got_entry));
5462 install_plt_field (output_bfd, FALSE,
5463 (sgot->output_section->vma
5464 + sgot->output_offset
5468 + htab->plt_info->symbol_fields.got_entry));
5469 if (htab->vxworks_p)
5471 unsigned int reachable_plts, plts_per_4k;
5474 /* Divide the PLT into groups. The first group contains
5475 REACHABLE_PLTS entries and the other groups contain
5476 PLTS_PER_4K entries. Entries in the first group can
5477 branch directly to .plt; those in later groups branch
5478 to the last element of the previous group. */
5479 /* ??? It would be better to create multiple copies of
5480 the common resolver stub. */
5481 reachable_plts = ((4096
5482 - htab->plt_info->plt0_entry_size
5483 - (htab->plt_info->symbol_fields.plt + 4))
5484 / htab->plt_info->symbol_entry_size) + 1;
5485 plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
5486 if (plt_index < reachable_plts)
5487 distance = -(h->plt.offset
5488 + htab->plt_info->symbol_fields.plt);
5490 distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
5491 * htab->plt_info->symbol_entry_size);
5493 /* Install the 'bra' with this offset. */
5494 bfd_put_16 (output_bfd,
5495 0xa000 | (0x0fff & ((distance - 4) / 2)),
5498 + htab->plt_info->symbol_fields.plt));
5501 install_plt_field (output_bfd, TRUE,
5502 splt->output_section->vma + splt->output_offset,
5505 + htab->plt_info->symbol_fields.plt));
5510 got_offset += GOT_BIAS;
5513 install_plt_field (output_bfd, FALSE,
5514 plt_index * sizeof (Elf32_External_Rela),
5517 + htab->plt_info->symbol_fields.reloc_offset));
5519 /* Fill in the entry in the global offset table. */
5520 bfd_put_32 (output_bfd,
5521 (splt->output_section->vma
5522 + splt->output_offset
5524 + htab->plt_info->symbol_resolve_offset),
5525 sgot->contents + got_offset);
5527 /* Fill in the entry in the .rela.plt section. */
5528 rel.r_offset = (sgot->output_section->vma
5529 + sgot->output_offset
5531 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
5534 rel.r_addend = GOT_BIAS;
5536 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
5537 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5539 if (htab->vxworks_p && !info->shared)
5541 /* Create the .rela.plt.unloaded relocations for this PLT entry.
5542 Begin by pointing LOC to the first such relocation. */
5543 loc = (htab->srelplt2->contents
5544 + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
5546 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation
5547 for the PLT entry's pointer to the .got.plt entry. */
5548 rel.r_offset = (htab->splt->output_section->vma
5549 + htab->splt->output_offset
5551 + htab->plt_info->symbol_fields.got_entry);
5552 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5553 rel.r_addend = got_offset;
5554 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5555 loc += sizeof (Elf32_External_Rela);
5557 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
5558 the .got.plt entry, which initially points to .plt. */
5559 rel.r_offset = (htab->sgotplt->output_section->vma
5560 + htab->sgotplt->output_offset
5562 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
5564 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5567 if (!h->def_regular)
5569 /* Mark the symbol as undefined, rather than as defined in
5570 the .plt section. Leave the value alone. */
5571 sym->st_shndx = SHN_UNDEF;
5575 if (h->got.offset != (bfd_vma) -1
5576 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
5577 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
5581 Elf_Internal_Rela rel;
5584 /* This symbol has an entry in the global offset table. Set it
5588 srel = htab->srelgot;
5589 BFD_ASSERT (sgot != NULL && srel != NULL);
5591 rel.r_offset = (sgot->output_section->vma
5592 + sgot->output_offset
5593 + (h->got.offset &~ (bfd_vma) 1));
5595 /* If this is a static link, or it is a -Bsymbolic link and the
5596 symbol is defined locally or was forced to be local because
5597 of a version file, we just want to emit a RELATIVE reloc.
5598 The entry in the global offset table will already have been
5599 initialized in the relocate_section function. */
5601 && SYMBOL_REFERENCES_LOCAL (info, h))
5603 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5604 rel.r_addend = (h->root.u.def.value
5605 + h->root.u.def.section->output_section->vma
5606 + h->root.u.def.section->output_offset);
5610 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5611 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5615 loc = srel->contents;
5616 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5617 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5620 #ifdef INCLUDE_SHMEDIA
5622 struct elf_sh_link_hash_entry *eh;
5624 eh = (struct elf_sh_link_hash_entry *) h;
5625 if (eh->datalabel_got.offset != (bfd_vma) -1)
5629 Elf_Internal_Rela rel;
5632 /* This symbol has a datalabel entry in the global offset table.
5636 srel = htab->srelgot;
5637 BFD_ASSERT (sgot != NULL && srel != NULL);
5639 rel.r_offset = (sgot->output_section->vma
5640 + sgot->output_offset
5641 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
5643 /* If this is a static link, or it is a -Bsymbolic link and the
5644 symbol is defined locally or was forced to be local because
5645 of a version file, we just want to emit a RELATIVE reloc.
5646 The entry in the global offset table will already have been
5647 initialized in the relocate_section function. */
5649 && SYMBOL_REFERENCES_LOCAL (info, h))
5651 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5652 rel.r_addend = (h->root.u.def.value
5653 + h->root.u.def.section->output_section->vma
5654 + h->root.u.def.section->output_offset);
5658 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
5659 + eh->datalabel_got.offset);
5660 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
5664 loc = srel->contents;
5665 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
5666 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5674 Elf_Internal_Rela rel;
5677 /* This symbol needs a copy reloc. Set it up. */
5679 BFD_ASSERT (h->dynindx != -1
5680 && (h->root.type == bfd_link_hash_defined
5681 || h->root.type == bfd_link_hash_defweak));
5683 s = bfd_get_section_by_name (h->root.u.def.section->owner,
5685 BFD_ASSERT (s != NULL);
5687 rel.r_offset = (h->root.u.def.value
5688 + h->root.u.def.section->output_section->vma
5689 + h->root.u.def.section->output_offset);
5690 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
5692 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
5693 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5696 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
5697 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
5699 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
5700 || (!htab->vxworks_p && h == htab->root.hgot))
5701 sym->st_shndx = SHN_ABS;
5706 /* Finish up the dynamic sections. */
5709 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
5711 struct elf_sh_link_hash_table *htab;
5715 htab = sh_elf_hash_table (info);
5716 sgot = htab->sgotplt;
5717 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
5719 if (htab->root.dynamic_sections_created)
5722 Elf32_External_Dyn *dyncon, *dynconend;
5724 BFD_ASSERT (sgot != NULL && sdyn != NULL);
5726 dyncon = (Elf32_External_Dyn *) sdyn->contents;
5727 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
5728 for (; dyncon < dynconend; dyncon++)
5730 Elf_Internal_Dyn dyn;
5732 #ifdef INCLUDE_SHMEDIA
5736 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
5742 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
5743 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5746 #ifdef INCLUDE_SHMEDIA
5748 name = info->init_function;
5752 name = info->fini_function;
5754 if (dyn.d_un.d_val != 0)
5756 struct elf_link_hash_entry *h;
5758 h = elf_link_hash_lookup (&htab->root, name,
5759 FALSE, FALSE, TRUE);
5760 if (h != NULL && (h->other & STO_SH5_ISA32))
5762 dyn.d_un.d_val |= 1;
5763 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5770 s = htab->sgot->output_section;
5774 s = htab->srelplt->output_section;
5776 BFD_ASSERT (s != NULL);
5777 dyn.d_un.d_ptr = s->vma;
5778 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5782 s = htab->srelplt->output_section;
5783 BFD_ASSERT (s != NULL);
5784 dyn.d_un.d_val = s->size;
5785 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5789 /* My reading of the SVR4 ABI indicates that the
5790 procedure linkage table relocs (DT_JMPREL) should be
5791 included in the overall relocs (DT_RELA). This is
5792 what Solaris does. However, UnixWare can not handle
5793 that case. Therefore, we override the DT_RELASZ entry
5794 here to make it not include the JMPREL relocs. Since
5795 the linker script arranges for .rela.plt to follow all
5796 other relocation sections, we don't have to worry
5797 about changing the DT_RELA entry. */
5798 if (htab->srelplt != NULL)
5800 s = htab->srelplt->output_section;
5801 dyn.d_un.d_val -= s->size;
5803 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5808 /* Fill in the first entry in the procedure linkage table. */
5810 if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
5814 memcpy (splt->contents,
5815 htab->plt_info->plt0_entry,
5816 htab->plt_info->plt0_entry_size);
5817 for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
5818 if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
5819 install_plt_field (output_bfd, FALSE,
5820 (sgot->output_section->vma
5821 + sgot->output_offset
5824 + htab->plt_info->plt0_got_fields[i]));
5826 if (htab->vxworks_p)
5828 /* Finalize the .rela.plt.unloaded contents. */
5829 Elf_Internal_Rela rel;
5832 /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
5833 first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
5834 loc = htab->srelplt2->contents;
5835 rel.r_offset = (splt->output_section->vma
5836 + splt->output_offset
5837 + htab->plt_info->plt0_got_fields[2]);
5838 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
5840 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
5841 loc += sizeof (Elf32_External_Rela);
5843 /* Fix up the remaining .rela.plt.unloaded relocations.
5844 They may have the wrong symbol index for _G_O_T_ or
5845 _P_L_T_ depending on the order in which symbols were
5847 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
5849 /* The PLT entry's pointer to the .got.plt slot. */
5850 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5851 rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
5853 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5854 loc += sizeof (Elf32_External_Rela);
5856 /* The .got.plt slot's pointer to .plt. */
5857 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
5858 rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
5860 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
5861 loc += sizeof (Elf32_External_Rela);
5865 /* UnixWare sets the entsize of .plt to 4, although that doesn't
5866 really seem like the right value. */
5867 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
5871 /* Fill in the first three entries in the global offset table. */
5872 if (sgot && sgot->size > 0)
5875 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5877 bfd_put_32 (output_bfd,
5878 sdyn->output_section->vma + sdyn->output_offset,
5880 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5881 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
5883 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5889 static enum elf_reloc_type_class
5890 sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
5892 switch ((int) ELF32_R_TYPE (rela->r_info))
5895 return reloc_class_relative;
5897 return reloc_class_plt;
5899 return reloc_class_copy;
5901 return reloc_class_normal;
5905 #if !defined SH_TARGET_ALREADY_DEFINED
5906 /* Support for Linux core dump NOTE sections. */
5909 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
5914 switch (note->descsz)
5919 case 168: /* Linux/SH */
5921 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5924 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5933 /* Make a ".reg/999" section. */
5934 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
5935 size, note->descpos + offset);
5939 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
5941 switch (note->descsz)
5946 case 124: /* Linux/SH elf_prpsinfo */
5947 elf_tdata (abfd)->core_program
5948 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
5949 elf_tdata (abfd)->core_command
5950 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
5953 /* Note that for some reason, a spurious space is tacked
5954 onto the end of the args in some (at least one anyway)
5955 implementations, so strip it off if it exists. */
5958 char *command = elf_tdata (abfd)->core_command;
5959 int n = strlen (command);
5961 if (0 < n && command[n - 1] == ' ')
5962 command[n - 1] = '\0';
5967 #endif /* not SH_TARGET_ALREADY_DEFINED */
5970 /* Return address for Ith PLT stub in section PLT, for relocation REL
5971 or (bfd_vma) -1 if it should not be included. */
5974 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
5975 const arelent *rel ATTRIBUTE_UNUSED)
5977 const struct elf_sh_plt_info *plt_info;
5979 plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
5980 return plt->vma + get_plt_offset (plt_info, i);
5983 #if !defined SH_TARGET_ALREADY_DEFINED
5984 #define TARGET_BIG_SYM bfd_elf32_sh_vec
5985 #define TARGET_BIG_NAME "elf32-sh"
5986 #define TARGET_LITTLE_SYM bfd_elf32_shl_vec
5987 #define TARGET_LITTLE_NAME "elf32-shl"
5990 #define ELF_ARCH bfd_arch_sh
5991 #define ELF_MACHINE_CODE EM_SH
5992 #ifdef __QNXTARGET__
5993 #define ELF_MAXPAGESIZE 0x1000
5995 #define ELF_MAXPAGESIZE 0x80
5998 #define elf_symbol_leading_char '_'
6000 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
6001 #define bfd_elf32_bfd_reloc_name_lookup \
6002 sh_elf_reloc_name_lookup
6003 #define elf_info_to_howto sh_elf_info_to_howto
6004 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
6005 #define elf_backend_relocate_section sh_elf_relocate_section
6006 #define bfd_elf32_bfd_get_relocated_section_contents \
6007 sh_elf_get_relocated_section_contents
6008 #define bfd_elf32_mkobject sh_elf_mkobject
6009 #define elf_backend_object_p sh_elf_object_p
6010 #define bfd_elf32_bfd_set_private_bfd_flags \
6011 sh_elf_set_private_flags
6012 #define bfd_elf32_bfd_copy_private_bfd_data \
6013 sh_elf_copy_private_data
6014 #define bfd_elf32_bfd_merge_private_bfd_data \
6015 sh_elf_merge_private_data
6017 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
6018 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
6019 #define elf_backend_check_relocs sh_elf_check_relocs
6020 #define elf_backend_copy_indirect_symbol \
6021 sh_elf_copy_indirect_symbol
6022 #define elf_backend_create_dynamic_sections \
6023 sh_elf_create_dynamic_sections
6024 #define bfd_elf32_bfd_link_hash_table_create \
6025 sh_elf_link_hash_table_create
6026 #define elf_backend_adjust_dynamic_symbol \
6027 sh_elf_adjust_dynamic_symbol
6028 #define elf_backend_always_size_sections \
6029 sh_elf_always_size_sections
6030 #define elf_backend_size_dynamic_sections \
6031 sh_elf_size_dynamic_sections
6032 #define elf_backend_omit_section_dynsym \
6033 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
6034 #define elf_backend_finish_dynamic_symbol \
6035 sh_elf_finish_dynamic_symbol
6036 #define elf_backend_finish_dynamic_sections \
6037 sh_elf_finish_dynamic_sections
6038 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
6039 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
6041 #define elf_backend_can_gc_sections 1
6042 #define elf_backend_can_refcount 1
6043 #define elf_backend_want_got_plt 1
6044 #define elf_backend_plt_readonly 1
6045 #define elf_backend_want_plt_sym 0
6046 #define elf_backend_got_header_size 12
6048 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
6050 #include "elf32-target.h"
6052 /* NetBSD support. */
6053 #undef TARGET_BIG_SYM
6054 #define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
6055 #undef TARGET_BIG_NAME
6056 #define TARGET_BIG_NAME "elf32-sh-nbsd"
6057 #undef TARGET_LITTLE_SYM
6058 #define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
6059 #undef TARGET_LITTLE_NAME
6060 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
6061 #undef ELF_MAXPAGESIZE
6062 #define ELF_MAXPAGESIZE 0x10000
6063 #undef ELF_COMMONPAGESIZE
6064 #undef elf_symbol_leading_char
6065 #define elf_symbol_leading_char 0
6067 #define elf32_bed elf32_sh_nbsd_bed
6069 #include "elf32-target.h"
6072 /* Linux support. */
6073 #undef TARGET_BIG_SYM
6074 #define TARGET_BIG_SYM bfd_elf32_shblin_vec
6075 #undef TARGET_BIG_NAME
6076 #define TARGET_BIG_NAME "elf32-shbig-linux"
6077 #undef TARGET_LITTLE_SYM
6078 #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
6079 #undef TARGET_LITTLE_NAME
6080 #define TARGET_LITTLE_NAME "elf32-sh-linux"
6081 #undef ELF_COMMONPAGESIZE
6082 #define ELF_COMMONPAGESIZE 0x1000
6084 #undef elf_backend_grok_prstatus
6085 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
6086 #undef elf_backend_grok_psinfo
6087 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
6089 #define elf32_bed elf32_sh_lin_bed
6091 #include "elf32-target.h"
6093 #undef TARGET_BIG_SYM
6094 #define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
6095 #undef TARGET_BIG_NAME
6096 #define TARGET_BIG_NAME "elf32-sh-vxworks"
6097 #undef TARGET_LITTLE_SYM
6098 #define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
6099 #undef TARGET_LITTLE_NAME
6100 #define TARGET_LITTLE_NAME "elf32-shl-vxworks"
6102 #define elf32_bed elf32_sh_vxworks_bed
6104 #undef elf_backend_want_plt_sym
6105 #define elf_backend_want_plt_sym 1
6106 #undef elf_symbol_leading_char
6107 #define elf_symbol_leading_char '_'
6108 #define elf_backend_want_got_underscore 1
6109 #undef elf_backend_grok_prstatus
6110 #undef elf_backend_grok_psinfo
6111 #undef elf_backend_add_symbol_hook
6112 #define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
6113 #undef elf_backend_link_output_symbol_hook
6114 #define elf_backend_link_output_symbol_hook \
6115 elf_vxworks_link_output_symbol_hook
6116 #undef elf_backend_emit_relocs
6117 #define elf_backend_emit_relocs elf_vxworks_emit_relocs
6118 #undef elf_backend_final_write_processing
6119 #define elf_backend_final_write_processing \
6120 elf_vxworks_final_write_processing
6121 #undef ELF_MAXPAGESIZE
6122 #define ELF_MAXPAGESIZE 0x1000
6123 #undef ELF_COMMONPAGESIZE
6125 #include "elf32-target.h"
6127 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */