/* SuperH SH64-specific support for 64-bit ELF
- Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#define SH64_ELF64
struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied;
};
-/* sh ELF linker hash table. */
-
-struct elf_sh64_link_hash_table
-{
- struct elf_link_hash_table root;
-};
-
/* Traverse an sh ELF linker hash table. */
-#define sh64_elf64_link_hash_traverse(table, func, info) \
- (elf_link_hash_traverse \
- (&(table)->root, \
+#define sh64_elf64_link_hash_traverse(table, func, info) \
+ (elf_link_hash_traverse \
+ ((table), \
(bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
(info)))
-/* Get the sh ELF linker hash table from a link_info structure. */
-
-#define sh64_elf64_hash_table(p) \
- ((struct elf_sh64_link_hash_table *) ((p)->hash))
-
static bfd_reloc_status_type sh_elf64_ignore_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type sh_elf64_reloc
_("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
input_bfd, input_section, rel->r_offset));
- if (sec != NULL && elf_discarded_section (sec))
+ if (sec != NULL && discarded_section (sec))
/* Handled below. */
;
else if (info->relocatable)
STT_DATALABEL on the way to it. */
| ((h->other & STO_SH5_ISA32) != 0
&& ! seen_stt_datalabel));
- else if (!info->relocatable)
+ else if (!info->relocatable
+ && (_bfd_elf_section_offset (output_bfd, info,
+ input_section,
+ rel->r_offset)
+ != (bfd_vma) -1))
{
(*_bfd_error_handler)
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
}
}
- if (sec != NULL && elf_discarded_section (sec))
- {
- /* For relocs against symbols from removed linkonce sections,
- or sections discarded by a linker script, we just want the
- section contents zeroed. Avoid any special processing. */
- _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
- rel->r_info = 0;
- rel->r_addend = 0;
- continue;
- }
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
if (info->relocatable)
continue;
if (sreloc == NULL)
{
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- elf_elfheader (input_bfd)->e_shstrndx,
- elf_section_data (input_section)->rel_hdr.sh_name));
- if (name == NULL)
+ sreloc = _bfd_elf_get_dynamic_reloc_section
+ (input_bfd, input_section, /*rela?*/ TRUE);
+ if (sreloc == NULL)
return FALSE;
-
- BFD_ASSERT (CONST_STRNEQ (name, ".rela")
- && strcmp (bfd_get_section_name (input_bfd,
- input_section),
- name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (dynobj, name);
- BFD_ASSERT (sreloc != NULL);
}
skip = FALSE;
offset table extension for the procedure linkage table. */
if (sgotplt == NULL)
{
- sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
+ sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
BFD_ASSERT (sgotplt != NULL);
}
offset table. */
if (sgot == NULL)
{
- sgot = bfd_get_section_by_name (dynobj, ".got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
BFD_ASSERT (sgot != NULL);
}
Elf_Internal_Rela outrel;
bfd_byte *loc;
- s = bfd_get_section_by_name (dynobj, ".rela.got");
+ s = bfd_get_linker_section (dynobj, ".rela.got");
BFD_ASSERT (s != NULL);
outrel.r_offset = (sgot->output_section->vma
if (sgot == NULL)
{
- sgot = bfd_get_section_by_name (dynobj, ".got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
BFD_ASSERT (sgot != NULL);
}
if (sgot == NULL)
{
- sgot = bfd_get_section_by_name (dynobj, ".got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
BFD_ASSERT (sgot != NULL);
}
if (splt == NULL)
{
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = bfd_get_linker_section (dynobj, ".plt");
BFD_ASSERT (splt != NULL);
}
if (isymp->st_shndx == SHN_UNDEF)
isec = bfd_und_section_ptr;
- else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
- isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
else if (isymp->st_shndx == SHN_ABS)
isec = bfd_abs_section_ptr;
else if (isymp->st_shndx == SHN_COMMON)
isec = bfd_com_section_ptr;
else
- {
- /* Who knows? */
- isec = NULL;
- }
+ isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
*secpp = isec;
}
}
}
+ /* Copy object attributes. */
+ _bfd_elf_copy_private_bfd_data (ibfd, obfd);
+
return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
}
asection *sec, const Elf_Internal_Rela *relocs)
{
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ struct elf_link_hash_entry **sym_hashes;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
bfd *dynobj;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf64_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
dynobj = elf_hash_table (info)->dynobj;
local_got_offsets = elf_local_got_offsets (abfd);
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;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref = 1;
}
/* Some relocs require a global offset table. */
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_SH_GNU_VTENTRY:
- if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ BFD_ASSERT (h != NULL);
+ if (h != NULL
+ && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
return FALSE;
break;
if (sgot == NULL)
{
- sgot = bfd_get_section_by_name (dynobj, ".got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
BFD_ASSERT (sgot != NULL);
}
if (srelgot == NULL
&& (h != NULL || info->shared))
{
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ srelgot = bfd_get_linker_section (dynobj, ".rela.got");
if (srelgot == NULL)
{
- srelgot = bfd_make_section_with_flags (dynobj,
- ".rela.got",
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY));
+ flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED
+ | SEC_READONLY);
+ srelgot = bfd_make_section_anyway_with_flags (dynobj,
+ ".rela.got",
+ flags);
if (srelgot == NULL
|| ! bfd_set_section_alignment (dynobj, srelgot, 2))
return FALSE;
section in dynobj and make room for this reloc. */
if (sreloc == NULL)
{
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (abfd,
- elf_elfheader (abfd)->e_shstrndx,
- elf_section_data (sec)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- BFD_ASSERT (CONST_STRNEQ (name, ".rela")
- && strcmp (bfd_get_section_name (abfd, sec),
- name + 5) == 0);
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
- sreloc = bfd_get_section_by_name (dynobj, name);
if (sreloc == NULL)
- {
- flagword flags;
-
- 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_alignment (dynobj, sreloc, 2))
- return FALSE;
- }
+ return FALSE;
}
sreloc->size += sizeof (Elf64_External_Rela);
we don't need to look up and make sure to emit the main symbol for each
DataLabel symbol. */
-static bfd_boolean
+static int
sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info,
const char *cname,
Elf_Internal_Sym *sym,
name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
}
- return TRUE;
+ return 1;
}
/* Set bit 0 on the entry address; it always points to SHmedia code. This
static struct bfd_link_hash_table *
sh64_elf64_link_hash_table_create (bfd *abfd)
{
- struct elf_sh64_link_hash_table *ret;
+ struct elf_link_hash_table *ret;
- ret = ((struct elf_sh64_link_hash_table *)
- bfd_malloc (sizeof (struct elf_sh64_link_hash_table)));
- if (ret == (struct elf_sh64_link_hash_table *) NULL)
+ ret = (struct elf_link_hash_table *) bfd_zmalloc (sizeof (* ret));
+ if (ret == (struct elf_link_hash_table *) NULL)
return NULL;
- if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+ if (!_bfd_elf_link_hash_table_init (ret, abfd,
sh64_elf64_link_hash_newfunc,
- sizeof (struct elf_sh64_link_hash_entry)))
+ sizeof (struct elf_sh64_link_hash_entry),
+ GENERIC_ELF_DATA))
{
free (ret);
return NULL;
}
- return &ret->root.root;
+ return &ret->root;
}
inline static void
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
- s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
return FALSE;
return FALSE;
}
- s = bfd_make_section_with_flags (abfd,
- bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
- flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd,
+ bed->default_use_rela_p
+ ? ".rela.plt" : ".rel.plt",
+ flags | SEC_READONLY);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
if (! _bfd_elf_create_got_section (abfd, info))
return FALSE;
- {
- const char *secname;
- char *relname;
- flagword secflags;
- asection *sec;
-
- for (sec = abfd->sections; sec; sec = sec->next)
- {
- secflags = bfd_get_section_flags (abfd, sec);
- if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
- || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
- continue;
- secname = bfd_get_section_name (abfd, sec);
- relname = (char *) bfd_malloc (strlen (secname) + 6);
- strcpy (relname, ".rela");
- strcat (relname, secname);
- s = bfd_make_section_with_flags (abfd, relname,
- flags | SEC_READONLY);
- if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, ptralign))
- return FALSE;
- }
- }
-
if (bed->want_dynbss)
{
/* The .dynbss section is a place to put symbols which are defined
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_with_flags (abfd, ".dynbss",
- SEC_ALLOC | SEC_LINKER_CREATED);
+ s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
if (s == NULL)
return FALSE;
copy relocs. */
if (! info->shared)
{
- s = bfd_make_section_with_flags (abfd,
- (bed->default_use_rela_p
- ? ".rela.bss" : ".rel.bss"),
- flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd,
+ (bed->default_use_rela_p
+ ? ".rela.bss" : ".rel.bss"),
+ flags | SEC_READONLY);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
return FALSE;
}
- s = bfd_get_section_by_name (dynobj, ".plt");
+ s = bfd_get_linker_section (dynobj, ".plt");
BFD_ASSERT (s != NULL);
/* If this is the first .plt entry, make room for the special
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
- s = bfd_get_section_by_name (dynobj, ".got.plt");
+ s = bfd_get_linker_section (dynobj, ".got.plt");
BFD_ASSERT (s != NULL);
s->size += 8;
/* We also need to make an entry in the .rela.plt section. */
- s = bfd_get_section_by_name (dynobj, ".rela.plt");
+ s = bfd_get_linker_section (dynobj, ".rela.plt");
BFD_ASSERT (s != NULL);
s->size += sizeof (Elf64_External_Rela);
if (!h->non_got_ref)
return TRUE;
- if (h->size == 0)
- {
- (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
- h->root.root.string);
- return TRUE;
- }
-
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
an entry for this symbol in the .dynsym section. The dynamic
both the dynamic object and the regular object will refer to the
same memory location for the variable. */
- s = bfd_get_section_by_name (dynobj, ".dynbss");
+ s = bfd_get_linker_section (dynobj, ".dynbss");
BFD_ASSERT (s != NULL);
/* We must generate a R_SH_COPY reloc to tell the dynamic linker to
copy the initial value out of the dynamic object and into the
runtime process image. We need to remember the offset into the
.rela.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
asection *srel;
- srel = bfd_get_section_by_name (dynobj, ".rela.bss");
+ srel = bfd_get_linker_section (dynobj, ".rela.bss");
BFD_ASSERT (srel != NULL);
srel->size += sizeof (Elf64_External_Rela);
h->needs_copy = 1;
{
struct elf_sh64_pcrel_relocs_copied *s;
- if (h->root.root.type == bfd_link_hash_warning)
- h = (struct elf_sh64_link_hash_entry *) h->root.root.u.i.link;
-
/* We only discard relocs for symbols defined in a regular object. */
if (!h->root.def_regular)
return TRUE;
/* Set the contents of the .interp section to the interpreter. */
if (info->executable)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
not actually use these entries. Reset the size of .rela.got,
which will cause it to get stripped from the output file
below. */
- s = bfd_get_section_by_name (dynobj, ".rela.got");
+ s = bfd_get_linker_section (dynobj, ".rela.got");
if (s != NULL)
s->size = 0;
}
We allocated space for them in the check_relocs routine, but we
will not fill them in in the relocate_section routine. */
if (info->shared && info->symbolic)
- sh64_elf64_link_hash_traverse (sh64_elf64_hash_table (info),
+ sh64_elf64_link_hash_traverse (elf_hash_table (info),
sh64_elf64_discard_copies, NULL);
/* The check_relocs and adjust_dynamic_symbol entry points have
BFD_ASSERT (h->dynindx != -1);
- splt = bfd_get_section_by_name (dynobj, ".plt");
- sgot = bfd_get_section_by_name (dynobj, ".got.plt");
- srel = bfd_get_section_by_name (dynobj, ".rela.plt");
+ splt = bfd_get_linker_section (dynobj, ".plt");
+ sgot = bfd_get_linker_section (dynobj, ".got.plt");
+ srel = bfd_get_linker_section (dynobj, ".rela.plt");
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
/* Get the index in the procedure linkage table which
/* This symbol has an entry in the global offset table. Set it
up. */
- sgot = bfd_get_section_by_name (dynobj, ".got");
- srel = bfd_get_section_by_name (dynobj, ".rela.got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
+ srel = bfd_get_linker_section (dynobj, ".rela.got");
BFD_ASSERT (sgot != NULL && srel != NULL);
rel.r_offset = (sgot->output_section->vma
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak));
- s = bfd_get_section_by_name (h->root.u.def.section->owner,
- ".rela.bss");
+ s = bfd_get_linker_section (dynobj, ".rela.bss");
BFD_ASSERT (s != NULL);
rel.r_offset = (h->root.u.def.value
}
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ if (h == elf_hash_table (info)->hdynamic
|| h == elf_hash_table (info)->hgot)
sym->st_shndx = SHN_ABS;
dynobj = elf_hash_table (info)->dynobj;
- sgot = bfd_get_section_by_name (dynobj, ".got.plt");
+ sgot = bfd_get_linker_section (dynobj, ".got.plt");
BFD_ASSERT (sgot != NULL);
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
}
/* Fill in the first entry in the procedure linkage table. */
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = bfd_get_linker_section (dynobj, ".plt");
if (splt && splt->size > 0)
{
if (info->shared)
{ NULL, 0, 0, 0, 0 }
};
-#define TARGET_BIG_SYM bfd_elf64_sh64_vec
+#define TARGET_BIG_SYM sh64_elf64_vec
#define TARGET_BIG_NAME "elf64-sh64"
-#define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec
+#define TARGET_LITTLE_SYM sh64_elf64_le_vec
#define TARGET_LITTLE_NAME "elf64-sh64l"
#define ELF_ARCH bfd_arch_sh
#define ELF_MACHINE_CODE EM_SH
/* NetBSD support. */
#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec
+#define TARGET_BIG_SYM sh64_elf64_nbsd_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf64-sh64-nbsd"
#undef TARGET_LITTLE_SYM
-#define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec
+#define TARGET_LITTLE_SYM sh64_elf64_nbsd_le_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf64-sh64l-nbsd"
#undef ELF_MAXPAGESIZE
/* Linux support. */
#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf64_sh64blin_vec
+#define TARGET_BIG_SYM sh64_elf64_linux_be_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf64-sh64big-linux"
#undef TARGET_LITTLE_SYM
-#define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec
+#define TARGET_LITTLE_SYM sh64_elf64_linux_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf64-sh64-linux"
#undef elf64_bed