/* Renesas / SuperH SH specific support for 32-bit ELF
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009, 2010, 2011, 2012
+ Free Software Foundation, Inc.
Contributed by Ian Lance Taylor, Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
and thus require fixups or relocations. */
bfd_signed_vma abs_funcdesc_refcount;
- enum {
+ enum got_type {
GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
} got_type;
};
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
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;
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
info = (struct bfd_link_info *) inf;
htab = sh_elf_hash_table (info);
if (htab == NULL)
{
asection *s;
bfd_boolean dyn;
- int got_type = sh_elf_hash_entry (h)->got_type;
+ enum got_type got_type = sh_elf_hash_entry (h)->got_type;
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
&& (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
htab->srofixup->size += 4;
}
+ /* No dynamic relocations required when IE->LE conversion happens. */
+ else if (got_type == GOT_TLS_IE && !h->def_dynamic && !info->shared)
+ ;
/* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
R_SH_TLS_GD needs one if local symbol and two if global. */
else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
struct elf_sh_link_hash_entry *eh;
struct elf_sh_dyn_relocs *p;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
eh = (struct elf_sh_link_hash_entry *) h;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
static unsigned
sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
{
- Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section (output_bfd,
- osec);
+ Elf_Internal_Phdr *p = NULL;
+
+ if (output_bfd->xvec->flavour == bfd_target_elf_flavour)
+ p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
/* FIXME: Nothing ever says what this index is relative to. The kernel
supplies data in terms of the number of load segments but this is
{
unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
- return ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W);
+ return (seg != (unsigned) -1
+ && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
}
/* Generate the initial contents of a local function descriptor, along
bfd_reloc_status_type r;
int seen_stt_datalabel = 0;
bfd_vma off;
- int got_type;
+ enum got_type got_type;
const char *symname = NULL;
r_symndx = ELF32_R_SYM (rel->r_info);
_("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;
&& (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
- && r_symndx != 0
+ && r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0
&& !is_vxworks_tls
&& (r_type == R_SH_DIR32
check_segment[0] = check_segment[1] = -1;
- if (! info->shared)
+ if (! info->shared || info->pie)
{
relocation = tpoff (info, relocation);
addend = rel->r_addend;
const Elf_Internal_Rela *rel_end;
asection *sreloc;
unsigned int r_type;
- int got_type, old_got_type;
+ enum got_type got_type, old_got_type;
sreloc = NULL;
break;
case R_SH_TLS_LE_32:
- if (info->shared)
+ if (info->shared && !info->pie)
{
(*_bfd_error_handler)
(_("%B: TLS local exec code cannot be linked into shared objects"),
projects / deliverable / binutils-gdb.git / blobdiff