/* FR30-specific support for 32-bit ELF.
- Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ 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
-(at your option) any later version.
+ 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 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ 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., 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/fr30.h"
static bfd_reloc_status_type fr30_final_link_relocate
PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, bfd_vma));
-static bfd_boolean fr30_elf_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static asection * fr30_elf_gc_mark_hook
- PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
static bfd_boolean fr30_elf_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_FR30_8", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000, /* src_mask */
0x0ff0, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_bitfield, /* complain_on_overflow */
fr30_elf_i20_reloc, /* special_function */
"R_FR30_20", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x00000000, /* src_mask */
0x00f0ffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_FR30_32", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x00000000, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_bitfield, /* complain_on_overflow */
fr30_elf_i32_reloc, /* special_function */
"R_FR30_48", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x00000000, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_FR30_6_IN_4", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000, /* src_mask */
0x00f0, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc,/* special_function */
"R_FR30_8_IN_8", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000, /* src_mask */
0x0ff0, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc,/* special_function */
"R_FR30_9_IN_8", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000, /* src_mask */
0x0ff0, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc,/* special_function */
"R_FR30_10_IN_8", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000, /* src_mask */
0x0ff0, /* dst_mask */
FALSE), /* pcrel_offset */
return NULL;
}
+static reloc_howto_type *
+fr30_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (fr30_elf_howto_table) / sizeof (fr30_elf_howto_table[0]);
+ i++)
+ if (fr30_elf_howto_table[i].name != NULL
+ && strcasecmp (fr30_elf_howto_table[i].name, r_name) == 0)
+ return &fr30_elf_howto_table[i];
+
+ return NULL;
+}
+
/* Set the howto pointer for an FR30 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;
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 (info->relocatable)
+ continue;
+
r = fr30_final_link_relocate (howto, input_bfd, input_section,
contents, rel, relocation);
relocation. */
static asection *
-fr30_elf_gc_mark_hook (sec, info, rel, h, sym)
- asection *sec;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym * sym;
+fr30_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
{
if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_FR30_GNU_VTINHERIT:
- case R_FR30_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;
- }
- }
- }
- else
- 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
-fr30_elf_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- asection *sec ATTRIBUTE_UNUSED;
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
-{
- return TRUE;
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_FR30_GNU_VTINHERIT:
+ case R_FR30_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.
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;
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_FR30_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;
}
#define elf_info_to_howto fr30_info_to_howto_rela
#define elf_backend_relocate_section fr30_elf_relocate_section
#define elf_backend_gc_mark_hook fr30_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook fr30_elf_gc_sweep_hook
#define elf_backend_check_relocs fr30_elf_check_relocs
#define elf_backend_can_gc_sections 1
#define elf_backend_rela_normal 1
#define bfd_elf32_bfd_reloc_type_lookup fr30_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup fr30_reloc_name_lookup
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff