/* IQ2000-specific support for 32-bit ELF.
- Copyright (C) 2003, 2004, 2005, 2006, 2007
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2012
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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 *
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
{
name = h->root.root.string;
}
- 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;
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. */
_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)
{