+ bfd *abfd;
+ const struct elf_x86_64_backend_data *bed;
+ bfd_vma plt_offset;
+
+ /* Only match R_X86_64_JUMP_SLOT and R_X86_64_IRELATIVE. */
+ if (rel->howto->type != R_X86_64_JUMP_SLOT
+ && rel->howto->type != R_X86_64_IRELATIVE)
+ return (bfd_vma) -1;
+
+ abfd = plt->owner;
+ bed = get_elf_x86_64_backend_data (abfd);
+ plt_offset = bed->plt_entry_size;
+
+ if (elf_elfheader (abfd)->e_ident[EI_OSABI] != ELFOSABI_GNU)
+ return plt->vma + (i + 1) * plt_offset;
+
+ while (plt_offset < plt->size)
+ {
+ bfd_vma reloc_index;
+ bfd_byte reloc_index_raw[4];
+
+ if (!bfd_get_section_contents (abfd, (asection *) plt,
+ reloc_index_raw,
+ plt_offset + bed->plt_reloc_offset,
+ sizeof (reloc_index_raw)))
+ return (bfd_vma) -1;
+
+ reloc_index = H_GET_32 (abfd, reloc_index_raw);
+ if (reloc_index == i)
+ return plt->vma + plt_offset;
+ plt_offset += bed->plt_entry_size;
+ }
+
+ abort ();
+}
+
+/* Return offset in .plt.bnd section for the Ith GOTPLT relocation with
+ PLT section, or (bfd_vma) -1 if it should not be included. */
+
+static bfd_vma
+elf_x86_64_plt_sym_val_offset_plt_bnd (bfd_vma i, const asection *plt)
+{
+ const struct elf_x86_64_backend_data *bed = &elf_x86_64_bnd_arch_bed;
+ bfd *abfd = plt->owner;
+ bfd_vma plt_offset = bed->plt_entry_size;
+
+ if (elf_elfheader (abfd)->e_ident[EI_OSABI] != ELFOSABI_GNU)
+ return i * sizeof (elf_x86_64_legacy_plt2_entry);
+
+ while (plt_offset < plt->size)
+ {
+ bfd_vma reloc_index;
+ bfd_byte reloc_index_raw[4];
+
+ if (!bfd_get_section_contents (abfd, (asection *) plt,
+ reloc_index_raw,
+ plt_offset + bed->plt_reloc_offset,
+ sizeof (reloc_index_raw)))
+ return (bfd_vma) -1;
+
+ reloc_index = H_GET_32 (abfd, reloc_index_raw);
+ if (reloc_index == i)
+ {
+ /* This is the index in .plt section. */
+ long plt_index = plt_offset / bed->plt_entry_size;
+ /* Return the offset in .plt.bnd section. */
+ return (plt_index - 1) * sizeof (elf_x86_64_legacy_plt2_entry);
+ }
+ plt_offset += bed->plt_entry_size;
+ }
+
+ abort ();
+}
+
+/* Similar to _bfd_elf_get_synthetic_symtab, with .plt.bnd section
+ support. */
+
+static long
+elf_x86_64_get_synthetic_symtab (bfd *abfd,
+ long symcount,
+ asymbol **syms,
+ long dynsymcount,
+ asymbol **dynsyms,
+ asymbol **ret)
+{
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ asection *relplt;
+ asymbol *s;
+ bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
+ arelent *p;
+ long count, i, n;
+ size_t size;
+ Elf_Internal_Shdr *hdr;
+ char *names;
+ asection *plt, *plt_push;
+
+ plt_push = bfd_get_section_by_name (abfd, ".plt");
+ if (plt_push == NULL)
+ return 0;
+
+ plt = bfd_get_section_by_name (abfd, ".plt.bnd");
+ /* Use the generic ELF version if there is no .plt.bnd section. */
+ if (plt == NULL)
+ return _bfd_elf_get_synthetic_symtab (abfd, symcount, syms,
+ dynsymcount, dynsyms, ret);
+
+ *ret = NULL;
+
+ if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0)
+ return 0;
+
+ if (dynsymcount <= 0)
+ return 0;
+
+ relplt = bfd_get_section_by_name (abfd, ".rela.plt");
+ if (relplt == NULL)
+ return 0;
+
+ hdr = &elf_section_data (relplt)->this_hdr;
+ if (hdr->sh_link != elf_dynsymtab (abfd)
+ || (hdr->sh_type != SHT_REL && hdr->sh_type != SHT_RELA))
+ return 0;
+
+ slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
+ if (! (*slurp_relocs) (abfd, relplt, dynsyms, TRUE))
+ return -1;
+
+ count = relplt->size / hdr->sh_entsize;
+ size = count * sizeof (asymbol);
+ p = relplt->relocation;
+ for (i = 0; i < count; i++, p += bed->s->int_rels_per_ext_rel)
+ {
+ size += strlen ((*p->sym_ptr_ptr)->name) + sizeof ("@plt");
+ if (p->addend != 0)
+ size += sizeof ("+0x") - 1 + 8 + 8;
+ }
+
+ s = *ret = (asymbol *) bfd_malloc (size);
+ if (s == NULL)
+ return -1;
+
+ names = (char *) (s + count);
+ p = relplt->relocation;
+ n = 0;
+ for (i = 0; i < count; i++, p++)
+ {
+ bfd_vma offset;
+ size_t len;
+
+ if (p->howto->type != R_X86_64_JUMP_SLOT
+ && p->howto->type != R_X86_64_IRELATIVE)
+ continue;
+
+ offset = elf_x86_64_plt_sym_val_offset_plt_bnd (i, plt_push);
+
+ *s = **p->sym_ptr_ptr;
+ /* Undefined syms won't have BSF_LOCAL or BSF_GLOBAL set. Since
+ we are defining a symbol, ensure one of them is set. */
+ if ((s->flags & BSF_LOCAL) == 0)
+ s->flags |= BSF_GLOBAL;
+ s->flags |= BSF_SYNTHETIC;
+ s->section = plt;
+ s->value = offset;
+ s->name = names;
+ s->udata.p = NULL;
+ len = strlen ((*p->sym_ptr_ptr)->name);
+ memcpy (names, (*p->sym_ptr_ptr)->name, len);
+ names += len;
+ if (p->addend != 0)
+ {
+ char buf[30], *a;
+
+ memcpy (names, "+0x", sizeof ("+0x") - 1);
+ names += sizeof ("+0x") - 1;
+ bfd_sprintf_vma (abfd, buf, p->addend);
+ for (a = buf; *a == '0'; ++a)
+ ;
+ len = strlen (a);
+ memcpy (names, a, len);
+ names += len;
+ }
+ memcpy (names, "@plt", sizeof ("@plt"));
+ names += sizeof ("@plt");
+ ++s, ++n;
+ }
+
+ return n;