/* IQ2000-specific support for 32-bit ELF.
- Copyright (C) 2003, 2004, 2005, 2006, 2007
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
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,
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/iq2000.h"
return bfd_reloc_ok;
}
+static bfd_reloc_status_type
+iq2000_elf_relocate_offset16 (bfd *input_bfd,
+ Elf_Internal_Rela *rel,
+ bfd_byte *contents,
+ bfd_vma value,
+ bfd_vma location)
+{
+ bfd_vma insn;
+ bfd_vma jtarget;
+
+ insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+
+ value += rel->r_addend;
+
+ if (value & 3)
+ return bfd_reloc_dangerous;
+
+ jtarget = (value & 0x3fffc) | (location & 0xf0000000L);
+
+ if (jtarget != value)
+ return bfd_reloc_overflow;
+
+ insn = (insn & ~0xFFFF) | ((value >> 2) & 0xFFFF);
+
+ bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
+ return bfd_reloc_ok;
+}
+
/* Map BFD reloc types to IQ2000 ELF reloc types. */
static reloc_howto_type *
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_boolean changed = FALSE;
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++)
/* This relocation describes which C++ vtable entries
are actually used. Record for later use during GC. */
case R_IQ2000_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 (r_symndx < symtab_hdr->sh_info)
{
+ asection *osec;
+
sym = local_syms + r_symndx;
- sec = local_sections [r_symndx];
+ osec = sec = local_sections [r_symndx];
+ if ((sec->flags & SEC_MERGE)
+ && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+ /* This relocation is relative to a section symbol that is
+ going to be merged. Change it so that it is relative
+ to the merged section symbol. */
+ rel->r_addend = _bfd_elf_rel_local_sym (output_bfd, sym, &sec,
+ rel->r_addend);
+
relocation = (sec->output_section->vma
+ sec->output_offset
+ sym->st_value);
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+ name = (name == NULL) ? bfd_section_name (input_bfd, osec) : name;
}
else
{
}
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;
- }
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
if (info->relocatable)
continue;
r = iq2000_elf_relocate_hi16 (input_bfd, rel, contents, relocation);
break;
+ case R_IQ2000_OFFSET_16:
+ r = iq2000_elf_relocate_offset16 (input_bfd, rel, contents, relocation,
+ input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
+ break;
+
case R_IQ2000_PC16:
rel->r_addend -= 4;
/* Fall through. */
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;
}
_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_IQ2000_CPU_MASK)
{
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