/* AArch64-specific support for NN-bit ELF.
- Copyright 2009-2013 Free Software Foundation, Inc.
+ Copyright (C) 2009-2014 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of BFD, the Binary File Descriptor library.
return NULL;
}
-#define TARGET_LITTLE_SYM bfd_elfNN_littleaarch64_vec
+#define TARGET_LITTLE_SYM aarch64_elfNN_le_vec
#define TARGET_LITTLE_NAME "elfNN-littleaarch64"
-#define TARGET_BIG_SYM bfd_elfNN_bigaarch64_vec
+#define TARGET_BIG_SYM aarch64_elfNN_be_vec
#define TARGET_BIG_NAME "elfNN-bigaarch64"
/* The linker script knows the section names for placement.
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
}
+/* Destroy an AArch64 elf linker hash table. */
+
+static void
+elfNN_aarch64_link_hash_table_free (bfd *obfd)
+{
+ struct elf_aarch64_link_hash_table *ret
+ = (struct elf_aarch64_link_hash_table *) obfd->link.hash;
+
+ if (ret->loc_hash_table)
+ htab_delete (ret->loc_hash_table);
+ if (ret->loc_hash_memory)
+ objalloc_free ((struct objalloc *) ret->loc_hash_memory);
+
+ bfd_hash_table_free (&ret->stub_hash_table);
+ _bfd_elf_link_hash_table_free (obfd);
+}
+
/* Create an AArch64 elf linker hash table. */
static struct bfd_link_hash_table *
if (!bfd_hash_table_init (&ret->stub_hash_table, stub_hash_newfunc,
sizeof (struct elf_aarch64_stub_hash_entry)))
{
- free (ret);
+ _bfd_elf_link_hash_table_free (abfd);
return NULL;
}
ret->loc_hash_memory = objalloc_create ();
if (!ret->loc_hash_table || !ret->loc_hash_memory)
{
- free (ret);
+ elfNN_aarch64_link_hash_table_free (abfd);
return NULL;
}
+ ret->root.root.hash_table_free = elfNN_aarch64_link_hash_table_free;
return &ret->root.root;
}
-/* Free the derived linker hash table. */
-
-static void
-elfNN_aarch64_hash_table_free (struct bfd_link_hash_table *hash)
-{
- struct elf_aarch64_link_hash_table *ret
- = (struct elf_aarch64_link_hash_table *) hash;
-
- if (ret->loc_hash_table)
- htab_delete (ret->loc_hash_table);
- if (ret->loc_hash_memory)
- objalloc_free ((struct objalloc *) ret->loc_hash_memory);
-
- bfd_hash_table_free (&ret->stub_hash_table);
- _bfd_elf_link_hash_table_free (hash);
-}
-
static bfd_boolean
aarch64_relocate (unsigned int r_type, bfd *input_bfd, asection *input_section,
bfd_vma offset, bfd_vma value)
/* Count the number of input BFDs and find the top input section id. */
for (input_bfd = info->input_bfds, bfd_count = 0, top_id = 0;
- input_bfd != NULL; input_bfd = input_bfd->link_next)
+ input_bfd != NULL; input_bfd = input_bfd->link.next)
{
bfd_count += 1;
for (section = input_bfd->sections;
asection *stub_sec;
for (input_bfd = info->input_bfds, bfd_indx = 0;
- input_bfd != NULL; input_bfd = input_bfd->link_next, bfd_indx++)
+ input_bfd != NULL; input_bfd = input_bfd->link.next, bfd_indx++)
{
Elf_Internal_Shdr *symtab_hdr;
asection *section;
struct elf_link_hash_table *htab = elf_hash_table (info);
/* If tls_sec is NULL, we should have signalled an error already. */
- if (htab->tls_sec == NULL)
- return 0;
+ BFD_ASSERT (htab->tls_sec != NULL);
bfd_vma base = align_power ((bfd_vma) TCB_SIZE,
htab->tls_sec->alignment_power);
value = (symbol_got_offset (input_bfd, h, r_symndx)
+ globals->root.sgot->output_section->vma
- + globals->root.sgot->output_section->output_offset);
+ + globals->root.sgot->output_offset);
value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value,
0, weak_undef_p);
case BFD_RELOC_AARCH64_TLSDESC_LDR:
if (globals->root.sgot == NULL)
return bfd_reloc_notsupported;
-
value = (symbol_tlsdesc_got_offset (input_bfd, h, r_symndx)
+ globals->root.sgotplt->output_section->vma
- + globals->root.sgotplt->output_section->output_offset
+ + globals->root.sgotplt->output_offset
+ globals->sgotplt_jump_table_size);
value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value,
or
adrp x0, :tlsdesc:var => adrp x0, :gottprel:var
*/
- insn = bfd_getl32 (contents + rel->r_offset);
return bfd_reloc_continue;
}
ldr xd, [x0, #:tlsdesc_lo12:var] => ldr x0, [x0, #:gottprel_lo12:var]
*/
insn = bfd_getl32 (contents + rel->r_offset);
- insn &= 0xfffffff0;
+ insn &= 0xffffffe0;
bfd_putl32 (insn, contents + rel->r_offset);
return bfd_reloc_continue;
}
rel, 1, relend, howto, 0, contents);
if (info->relocatable)
- {
- /* This is a relocatable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- rel->r_addend += sec->output_offset;
- continue;
- }
+ continue;
if (h != NULL)
name = h->root.root.string;
i_ehdrp = elf_elfheader (abfd);
i_ehdrp->e_ident[EI_ABIVERSION] = AARCH64_ELF_ABI_VERSION;
- _bfd_elf_set_osabi (abfd, link_info);
+ _bfd_elf_post_process_headers (abfd, link_info);
}
static enum elf_reloc_type_class
}
}
-/* Set the right machine number for an AArch64 ELF file. */
-
-static bfd_boolean
-elfNN_aarch64_section_flags (flagword *flags, const Elf_Internal_Shdr *hdr)
-{
- if (hdr->sh_type == SHT_NOTE)
- *flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_SAME_CONTENTS;
-
- return TRUE;
-}
-
/* Handle an AArch64 specific section when reading an object file. This is
called when bfd_section_from_shdr finds a section with an unknown
type. */
/* Set up .got offsets for local syms, and space for local dynamic
relocs. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
struct elf_aarch64_local_symbol *locals = NULL;
Elf_Internal_Shdr *symtab_hdr;
plt_entry = plt->contents + h->plt.offset;
plt_entry_address = plt->output_section->vma
- + plt->output_section->output_offset + h->plt.offset;
+ + plt->output_offset + h->plt.offset;
gotplt_entry_address = gotplt->output_section->vma +
gotplt->output_offset + got_offset;
+ GOT_ENTRY_SIZE * 2);
plt_base = htab->root.splt->output_section->vma +
- htab->root.splt->output_section->output_offset;
+ htab->root.splt->output_offset;
/* Fill in the top 21 bits for this: ADRP x16, PLT_GOT + n * 8.
ADRP: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */
break;
case DT_PLTRELSZ:
- s = htab->root.srelplt->output_section;
+ s = htab->root.srelplt;
dyn.d_un.d_val = s->size;
break;
about changing the DT_RELA entry. */
if (htab->root.srelplt != NULL)
{
- s = htab->root.srelplt->output_section;
+ s = htab->root.srelplt;
dyn.d_un.d_val -= s->size;
}
break;
#define bfd_elfNN_bfd_link_hash_table_create \
elfNN_aarch64_link_hash_table_create
-#define bfd_elfNN_bfd_link_hash_table_free \
- elfNN_aarch64_hash_table_free
-
#define bfd_elfNN_bfd_merge_private_bfd_data \
elfNN_aarch64_merge_private_bfd_data
#define elf_backend_reloc_type_class \
elfNN_aarch64_reloc_type_class
-#define elf_backend_section_flags \
- elfNN_aarch64_section_flags
-
#define elf_backend_section_from_shdr \
elfNN_aarch64_section_from_shdr
#define elf_backend_may_use_rel_p 0
#define elf_backend_may_use_rela_p 1
#define elf_backend_default_use_rela_p 1
+#define elf_backend_rela_normal 1
#define elf_backend_got_header_size (GOT_ENTRY_SIZE * 3)
#define elf_backend_default_execstack 0