/* SuperH SH64-specific support for 64-bit ELF
- Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#define SH64_ELF64
#define sh64_elf64_hash_table(p) \
((struct elf_sh64_link_hash_table *) ((p)->hash))
-static bfd_boolean sh_elf64_copy_private_data
- (bfd *, bfd *);
-static bfd_boolean sh_elf64_copy_private_data_internal
- (bfd *, bfd *);
-static bfd_boolean sh_elf64_merge_private_data
- (bfd *, bfd *);
static bfd_reloc_status_type sh_elf64_ignore_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type sh_elf64_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
-static reloc_howto_type *sh_elf64_reloc_type_lookup
- (bfd *, bfd_reloc_code_real_type);
-static void sh_elf64_info_to_howto
- (bfd *, arelent *, Elf_Internal_Rela *);
-static bfd_boolean sh_elf64_relocate_section
- (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
-static bfd_byte *sh_elf64_get_relocated_section_contents
- (bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *,
- bfd_boolean, asymbol **);
-static bfd_boolean sh_elf64_set_mach_from_flags
- (bfd *);
-static bfd_boolean sh_elf64_set_private_flags
- (bfd *, flagword);
-static asection *sh_elf64_gc_mark_hook
- (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *);
-static bfd_boolean sh_elf64_gc_sweep_hook
- (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
-static bfd_boolean sh_elf64_check_relocs
- (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
-static int sh64_elf64_get_symbol_type
- (Elf_Internal_Sym *, int);
-static bfd_boolean sh64_elf64_add_symbol_hook
- (bfd *, struct bfd_link_info *, Elf_Internal_Sym *, const char **,
- flagword *, asection **, bfd_vma *);
-static bfd_boolean sh64_elf64_link_output_symbol_hook
- (struct bfd_link_info *, const char *, Elf_Internal_Sym *, asection *,
- struct elf_link_hash_entry *);
-static bfd_boolean sh64_elf64_fake_sections
- (bfd *, Elf_Internal_Shdr *, asection *);
-static void sh64_elf64_final_write_processing
- (bfd *, bfd_boolean);
-static struct bfd_hash_entry *sh64_elf64_link_hash_newfunc
- (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
-static struct bfd_link_hash_table *sh64_elf64_link_hash_table_create
- (bfd *);
-inline static void movi_shori_putval
- (bfd *, unsigned long, char *);
-inline static void movi_3shori_putval
- (bfd *, bfd_vma, char *);
-static bfd_boolean sh64_elf64_create_dynamic_sections
- (bfd *, struct bfd_link_info *);
-static bfd_boolean sh64_elf64_adjust_dynamic_symbol
- (struct bfd_link_info *info, struct elf_link_hash_entry *);
-static bfd_boolean sh64_elf64_discard_copies
- (struct elf_sh64_link_hash_entry *, void *);
-static bfd_boolean sh64_elf64_size_dynamic_sections
- (bfd *, struct bfd_link_info *);
-static bfd_boolean sh64_elf64_finish_dynamic_symbol
- (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
- Elf_Internal_Sym *);
-static bfd_boolean sh64_elf64_finish_dynamic_sections
- (bfd *, struct bfd_link_info *);
static reloc_howto_type sh_elf64_howto_table[] = {
/* No relocation. */
const char *name;
if (h != NULL)
- name = h->root.root.string;
+ name = NULL;
else
{
name = (bfd_elf_string_from_elf_section
name = bfd_section_name (input_bfd, sec);
}
if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section,
+ rel->r_offset)))
return FALSE;
}
break;
/* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */
-bfd_boolean
+static bfd_boolean
sh64_elf64_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
Elf_Internal_Shdr *elf_section_hdr,
asection *asect)
if (r_symndx < symtab_hdr->sh_info)
h = NULL;
else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
/* Some relocs require a global offset table. */
if (dynobj == NULL)
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
if (srelgot == NULL)
{
- srelgot = bfd_make_section (dynobj, ".rela.got");
+ srelgot = bfd_make_section_with_flags (dynobj,
+ ".rela.got",
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY));
if (srelgot == NULL
- || ! bfd_set_section_flags (dynobj, srelgot,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY))
|| ! bfd_set_section_alignment (dynobj, srelgot, 2))
return FALSE;
}
{
flagword flags;
- sreloc = bfd_make_section (dynobj, name);
flags = (SEC_HAS_CONTENTS | SEC_READONLY
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
if ((sec->flags & SEC_ALLOC) != 0)
flags |= SEC_ALLOC | SEC_LOAD;
+ sreloc = bfd_make_section_with_flags (dynobj,
+ name,
+ flags);
if (sreloc == NULL
- || ! bfd_set_section_flags (dynobj, sreloc, flags)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
return FALSE;
}
}
inline static void
-movi_shori_putval (bfd *output_bfd, unsigned long value, char *addr)
+movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr)
{
bfd_put_32 (output_bfd,
bfd_get_32 (output_bfd, addr)
}
inline static void
-movi_3shori_putval (bfd *output_bfd, bfd_vma value, char *addr)
+movi_3shori_putval (bfd *output_bfd, bfd_vma value, bfd_byte *addr)
{
bfd_put_32 (output_bfd,
bfd_get_32 (output_bfd, addr)
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
- s = bfd_make_section (abfd, ".plt");
+ s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, pltflags)
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
return FALSE;
return FALSE;
}
- s = bfd_make_section (abfd,
- bed->default_use_rela_p ? ".rela.plt" : ".rel.plt");
+ s = bfd_make_section_with_flags (abfd,
+ bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
+ flags | SEC_READONLY);
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
relname = (char *) bfd_malloc (strlen (secname) + 6);
strcpy (relname, ".rela");
strcat (relname, secname);
- s = bfd_make_section (abfd, relname);
+ s = bfd_make_section_with_flags (abfd, relname,
+ flags | SEC_READONLY);
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
}
image and use a R_*_COPY reloc to tell the dynamic linker to
initialize them at run time. The linker script puts the .dynbss
section into the .bss section of the final image. */
- s = bfd_make_section (abfd, ".dynbss");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
+ s = bfd_make_section_with_flags (abfd, ".dynbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
+ if (s == NULL)
return FALSE;
/* The .rel[a].bss section holds copy relocs. This section is not
copy relocs. */
if (! info->shared)
{
- s = bfd_make_section (abfd,
- (bed->default_use_rela_p
- ? ".rela.bss" : ".rel.bss"));
+ s = bfd_make_section_with_flags (abfd,
+ (bed->default_use_rela_p
+ ? ".rela.bss" : ".rel.bss"),
+ flags | SEC_READONLY);
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
}
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
&& (h->needs_plt
- || h->weakdef != NULL
+ || h->u.weakdef != NULL
|| (h->def_dynamic
&& h->ref_regular
&& !h->def_regular)));
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->weakdef != NULL)
+ if (h->u.weakdef != NULL)
{
- BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
- || h->weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->weakdef->root.u.def.section;
- h->root.u.def.value = h->weakdef->root.u.def.value;
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
return TRUE;
}
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
- bfd_boolean strip;
if ((s->flags & SEC_LINKER_CREATED) == 0)
continue;
of the dynobj section names depend upon the input files. */
name = bfd_get_section_name (dynobj, s);
- strip = FALSE;
-
if (strcmp (name, ".plt") == 0)
{
- if (s->size == 0)
- {
- /* Strip this section if we don't need it; see the
- comment below. */
- strip = TRUE;
- }
- else
- {
- /* Remember whether there is a PLT. */
- plt = TRUE;
- }
+ /* Remember whether there is a PLT. */
+ plt = s->size != 0;
}
else if (strncmp (name, ".rela", 5) == 0)
{
- if (s->size == 0)
- {
- /* If we don't need this section, strip it from the
- output file. This is mostly to handle .rela.bss and
- .rela.plt. We must create both sections in
- create_dynamic_sections, because they must be created
- before the linker maps input sections to output
- sections. The linker does that before
- adjust_dynamic_symbol is called, and it is that
- function which decides whether anything needs to go
- into these sections. */
- strip = TRUE;
- }
- else
+ if (s->size != 0)
{
asection *target;
s->reloc_count = 0;
}
}
- else if (strncmp (name, ".got", 4) != 0)
+ else if (strncmp (name, ".got", 4) != 0
+ && strcmp (name, ".dynbss") != 0)
{
/* It's not one of our sections, so don't allocate space. */
continue;
}
- if (strip)
+ if (s->size == 0)
{
- _bfd_strip_section_from_output (info, s);
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ s->flags |= SEC_EXCLUDE;
continue;
}
+ if ((s->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
+
/* Allocate memory for the section contents. */
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
- if (s->contents == NULL && s->size != 0)
+ if (s->contents == NULL)
return FALSE;
}
return;
}
-static struct bfd_elf_special_section const sh64_elf64_special_sections[]=
+static const struct bfd_elf_special_section sh64_elf64_special_sections[]=
{
{ ".cranges", 8, 0, SHT_PROGBITS, 0 },
{ NULL, 0, 0, 0, 0 }
projects / deliverable / binutils-gdb.git / blobdiff