/* OpenRISC-specific support for 32-bit ELF.
- Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
Contributed by Johan Rydberg, jrydberg@opencores.org
This file is part of BFD, the Binary File Descriptor library.
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/openrisc.h"
{ BFD_RELOC_32, R_OPENRISC_32 },
{ BFD_RELOC_16, R_OPENRISC_16 },
{ BFD_RELOC_8, R_OPENRISC_8 },
- { BFD_RELOC_OPENRISC_REL_26,R_OPENRISC_INSN_REL_26 },
- { BFD_RELOC_OPENRISC_ABS_26,R_OPENRISC_INSN_ABS_26 },
- { BFD_RELOC_HI16, R_OPENRISC_HI_16_IN_INSN },
+ { BFD_RELOC_OPENRISC_REL_26, R_OPENRISC_INSN_REL_26 },
+ { BFD_RELOC_OPENRISC_ABS_26, R_OPENRISC_INSN_ABS_26 },
+ { BFD_RELOC_HI16, R_OPENRISC_HI_16_IN_INSN },
{ BFD_RELOC_LO16, R_OPENRISC_LO_16_IN_INSN },
{ BFD_RELOC_VTABLE_INHERIT, R_OPENRISC_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_OPENRISC_GNU_VTENTRY }
return NULL;
}
+static reloc_howto_type *
+openrisc_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (openrisc_elf_howto_table)
+ / sizeof (openrisc_elf_howto_table[0]));
+ i++)
+ if (openrisc_elf_howto_table[i].name != NULL
+ && strcasecmp (openrisc_elf_howto_table[i].name, r_name) == 0)
+ return &openrisc_elf_howto_table[i];
+
+ return NULL;
+}
+
/* Set the howto pointer for an OpenRISC ELF reloc. */
static void
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
- if (info->relocatable)
- return TRUE;
-
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
relend = relocs + input_section->reloc_count;
(sizeof openrisc_elf_howto_table / sizeof (reloc_howto_type)))
abort ();
- /* This is a final link. */
howto = openrisc_elf_howto_table + ELF32_R_TYPE (rel->r_info);
h = NULL;
sym = NULL;
unresolved_reloc, warned);
}
+ 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 (info->relocatable)
+ continue;
+
r = openrisc_final_link_relocate (howto, input_bfd, input_section,
contents, rel, relocation);
static asection *
openrisc_elf_gc_mark_hook (asection *sec,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info,
Elf_Internal_Rela *rel,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
{
- if (h == NULL)
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
-
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_OPENRISC_GNU_VTINHERIT:
- case R_OPENRISC_GNU_VTENTRY:
- break;
-
- default:
- 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;
- }
- }
-
- return NULL;
-}
-
-/* Update the got entry reference counts for the section being removed. */
-
-static bfd_boolean
-openrisc_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;
+ if (h != NULL)
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_OPENRISC_GNU_VTINHERIT:
+ case R_OPENRISC_GNU_VTENTRY:
+ return NULL;
+ }
+
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
/* Look through the relocs for a section during the first phase.
#define elf_info_to_howto openrisc_info_to_howto_rela
#define elf_backend_relocate_section openrisc_elf_relocate_section
#define elf_backend_gc_mark_hook openrisc_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook openrisc_elf_gc_sweep_hook
#define elf_backend_check_relocs openrisc_elf_check_relocs
#define elf_backend_can_gc_sections 1
#define elf_backend_rela_normal 1
#define bfd_elf32_bfd_reloc_type_lookup openrisc_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup openrisc_reloc_name_lookup
#define elf_backend_object_p openrisc_elf_object_p
#define elf_backend_final_write_processing openrisc_elf_final_write_processing