/* Matsushita 10300 specific support for 32-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
flagword flags;
flagword pltflags;
asection * s;
- struct bfd_link_hash_entry * bh;
struct elf_link_hash_entry * h;
const struct elf_backend_data * bed = get_elf_backend_data (abfd);
int ptralign;
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
return FALSE;
+ /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
+ .plt section. */
if (bed->want_plt_sym)
{
- /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
- .plt section. */
- bh = NULL;
- if (! (_bfd_generic_link_add_one_symbol
- (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
- (bfd_vma) 0, (const char *) NULL, FALSE,
- get_elf_backend_data (abfd)->collect, &bh)))
- return FALSE;
- h = (struct elf_link_hash_entry *) bh;
- h->def_regular = 1;
- h->type = STT_OBJECT;
-
- if (info->shared
- && ! bfd_elf_link_record_dynamic_symbol (info, h))
+ h = _bfd_elf_define_linkage_sym (abfd, info, s,
+ "_PROCEDURE_LINKAGE_TABLE_");
+ elf_hash_table (info)->hplt = h;
+ if (h == NULL)
return FALSE;
}
(or .got.plt) section. We don't do this in the linker script
because we don't want to define the symbol if we are not creating
a global offset table. */
- bh = NULL;
- if (!(_bfd_generic_link_add_one_symbol
- (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
- 0, (const char *) NULL, FALSE, bed->collect, &bh)))
- return FALSE;
- h = (struct elf_link_hash_entry *) bh;
- h->def_regular = 1;
- h->type = STT_OBJECT;
-
- if (info->shared
- && ! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
-
+ h = _bfd_elf_define_linkage_sym (abfd, info, s, "_GLOBAL_OFFSET_TABLE_");
elf_hash_table (info)->hgot = h;
+ if (h == NULL)
+ return FALSE;
/* The first bit of the global offset table is the header. */
s->size += bed->got_header_size;
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)
else if (unresolved_reloc)
(*_bfd_error_handler)
- (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"),
- bfd_get_filename (input_bfd), h->root.root.root.string,
- bfd_get_section_name (input_bfd, input_section));
+ (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+ input_bfd,
+ input_section,
+ (long) rel->r_offset,
+ howto->name,
+ h->root.root.root.string);
}
r = mn10300_elf_final_link_relocate (howto, input_bfd, output_bfd,
if (ret == (struct elf32_mn10300_link_hash_table *) NULL)
return NULL;
- if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
- elf32_mn10300_link_hash_newfunc))
+ if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+ elf32_mn10300_link_hash_newfunc,
+ sizeof (struct elf32_mn10300_link_hash_entry)))
{
free (ret);
return NULL;
return NULL;
}
- if (! _bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
- elf32_mn10300_link_hash_newfunc))
+ if (!_bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
+ elf32_mn10300_link_hash_newfunc,
+ sizeof (struct elf32_mn10300_link_hash_entry)))
{
free (ret->static_hash_table);
free (ret);
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
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)
{
+ /* 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. We use bfd_zalloc
here in case unused entries are not reclaimed before the
section's contents are written out. This should not happen,
but this way if it does, we get a R_MN10300_NONE reloc
instead of garbage. */
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
- if (s->contents == NULL && s->size != 0)
+ if (s->contents == NULL)
return FALSE;
}
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ || h == elf_hash_table (info)->hgot)
sym->st_shndx = SHN_ABS;
return TRUE;
projects / deliverable / binutils-gdb.git / blobdiff