/* Morpho Technologies MT specific support for 32-bit ELF
- Copyright 2001, 2002, 2003, 2004, 2005
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2011
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/mt.h"
return NULL;
}
+static reloc_howto_type *
+mt_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (mt_elf_howto_table) / sizeof (mt_elf_howto_table[0]);
+ i++)
+ if (mt_elf_howto_table[i].name != NULL
+ && strcasecmp (mt_elf_howto_table[i].name, r_name) == 0)
+ return &mt_elf_howto_table[i];
+
+ return NULL;
+}
+
bfd_reloc_status_type
mt_elf_relocate_hi16
(bfd * input_bfd,
r_symndx = ELF32_R_SYM (rel->r_info);
- /* This is a final link. */
howto = mt_elf_howto_table + ELF32_R_TYPE (rel->r_info);
h = NULL;
sym = NULL;
name = h->root.root.string;
}
+ if (sec != NULL && elf_discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
+
+ if (info->relocatable)
+ continue;
/* Finally, the sole MT-specific part. */
switch (r_type)
return TRUE;
}
-/* Return the section that should be marked against GC for a given
- relocation. */
-
-static asection *
-mt_elf_gc_mark_hook
- (asection * sec,
- struct bfd_link_info * info ATTRIBUTE_UNUSED,
- Elf_Internal_Rela * rel ATTRIBUTE_UNUSED,
- struct elf_link_hash_entry * h,
- Elf_Internal_Sym * sym)
-{
- if (h != NULL)
- {
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- else
- {
- if (!(elf_bad_symtab (sec->owner)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
- }
-
- return NULL;
-}
-
-/* Update the got entry reference counts for the section being
- removed. */
-
-static bfd_boolean
-mt_elf_gc_sweep_hook
- (bfd * abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info * info ATTRIBUTE_UNUSED,
- asection * sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED)
-{
- return TRUE;
-}
-
/* Look through the relocs for a section during the first phase.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
{
Elf_Internal_Shdr * symtab_hdr;
struct elf_link_hash_entry ** sym_hashes;
- struct elf_link_hash_entry ** sym_hashes_end;
const Elf_Internal_Rela * rel;
const Elf_Internal_Rela * rel_end;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
elf_flags_init (obfd) = TRUE;
+
+ /* Copy object attributes. */
+ _bfd_elf_copy_obj_attributes (ibfd, obfd);
+
return TRUE;
}
mt_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
{
flagword old_flags, new_flags;
- bfd_boolean error = FALSE;
+ bfd_boolean ok = TRUE;
- /* Check if we have the same endianess. */
+ /* Check if we have the same endianness. */
if (_bfd_generic_verify_endian_match (ibfd, obfd) == FALSE)
return FALSE;
{
/* CPU has changed. This is invalid, because MRISC, MRISC2 and
MS2 are not subsets of each other. */
- error = 1;
-
- /* FIXME:However, until the compiler is multilibbed, preventing
- mixing breaks the build. So we allow merging and use the
- greater CPU value. This is of course unsafe. */
- error = 0;
- if ((new_flags & EF_MT_CPU_MASK) > (old_flags & EF_MT_CPU_MASK))
- old_flags = ((old_flags & ~EF_MT_CPU_MASK)
- | (new_flags & EF_MT_CPU_MASK));
+ ok = FALSE;
}
- if (!error)
+
+ if (ok)
{
obfd->arch_info = ibfd->arch_info;
elf_elfheader (obfd)->e_flags = old_flags;
}
- return !error;
+ return ok;
}
static bfd_boolean
_bfd_elf_print_private_bfd_data (abfd, ptr);
flags = elf_elfheader (abfd)->e_flags;
- fprintf (file, _("private flags = 0x%lx:"), (long)flags);
+ fprintf (file, _("private flags = 0x%lx:"), (unsigned long) flags);
switch (flags & EF_MT_CPU_MASK)
{
#define elf_backend_relocate_section mt_elf_relocate_section
#define bfd_elf32_bfd_reloc_type_lookup mt_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup mt_reloc_name_lookup
-#define elf_backend_gc_mark_hook mt_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook mt_elf_gc_sweep_hook
#define elf_backend_check_relocs mt_elf_check_relocs
#define elf_backend_object_p mt_elf_object_p
#define elf_backend_rela_normal 1
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