/* D10V-specific support for 32-bit ELF
- Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007 Free Software Foundation, Inc.
Contributed by Martin Hunt (hunt@cygnus.com).
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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/d10v.h"
-static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
-static void d10v_info_to_howto_rel
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-static asection * elf32_d10v_gc_mark_hook
- PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-static bfd_boolean elf32_d10v_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static bfd_boolean elf32_d10v_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static bfd_vma extract_rel_addend
- PARAMS ((bfd *, bfd_byte *, reloc_howto_type *));
-static void insert_rel_addend
- PARAMS ((bfd *, bfd_byte *, reloc_howto_type *, bfd_vma));
-static bfd_boolean elf32_d10v_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
- bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *,
- asection **));
-
/* Use REL instead of RELA to save space. */
#define USE_REL 1
static reloc_howto_type elf_d10v_howto_table[] =
- {
- /* This reloc does nothing. */
- HOWTO (R_D10V_NONE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_NONE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An PC Relative 10-bit relocation, shifted by 2 */
- /* right container */
- HOWTO (R_D10V_10_PCREL_R, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 7, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_10_PCREL_R", /* name */
- FALSE, /* partial_inplace */
- 0xff, /* src_mask */
- 0xff, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* An PC Relative 10-bit relocation, shifted by 2 */
- /* left container */
- HOWTO (R_D10V_10_PCREL_L, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 7, /* bitsize */
- TRUE, /* pc_relative */
- 15, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_10_PCREL_L", /* name */
- FALSE, /* partial_inplace */
- 0x07f8000, /* src_mask */
- 0x07f8000, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* A 16 bit absolute relocation */
- HOWTO (R_D10V_16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_16", /* name */
- FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An 18 bit absolute relocation, right shifted 2 */
- HOWTO (R_D10V_18, /* type */
- 2, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_18", /* name */
- FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A relative 18 bit relocation, right shifted by 2 */
- HOWTO (R_D10V_18_PCREL, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 15, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_18_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* A 32 bit absolute relocation */
- HOWTO (R_D10V_32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_32", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable hierarchy */
- HOWTO (R_D10V_GNU_VTINHERIT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_D10V_GNU_VTINHERIT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable member usage */
- HOWTO (R_D10V_GNU_VTENTRY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- _bfd_elf_rel_vtable_reloc_fn, /* special_function */
- "R_D10V_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
- };
+{
+ /* This reloc does nothing. */
+ HOWTO (R_D10V_NONE, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont,/* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D10V_NONE", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0, /* Src_mask. */
+ 0, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* An PC Relative 10-bit relocation, shifted by 2, right container. */
+ HOWTO (R_D10V_10_PCREL_R, /* Type. */
+ 2, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 8, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D10V_10_PCREL_R", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xff, /* Src_mask. */
+ 0xff, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* An PC Relative 10-bit relocation, shifted by 2, left container. */
+ HOWTO (R_D10V_10_PCREL_L, /* Type. */
+ 2, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 8, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 15, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D10V_10_PCREL_L", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0x07f8000, /* Src_mask. */
+ 0x07f8000, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* A 16 bit absolute relocation. */
+ HOWTO (R_D10V_16, /* Type. */
+ 0, /* Rightshift. */
+ 1, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont,/* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D10V_16", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xffff, /* Src_mask. */
+ 0xffff, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* An 18 bit absolute relocation, right shifted 2. */
+ HOWTO (R_D10V_18, /* Type. */
+ 2, /* Rightshift. */
+ 1, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D10V_18", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xffff, /* Src_mask. */
+ 0xffff, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* A relative 18 bit relocation, right shifted by 2. */
+ HOWTO (R_D10V_18_PCREL, /* Type. */
+ 2, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 16, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D10V_18_PCREL", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xffff, /* Src_mask. */
+ 0xffff, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* A 32 bit absolute relocation. */
+ HOWTO (R_D10V_32, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont,/* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D10V_32", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xffffffff, /* Src_mask. */
+ 0xffffffff, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* GNU extension to record C++ vtable hierarchy. */
+ HOWTO (R_D10V_GNU_VTINHERIT, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont,/* Complain_on_overflow. */
+ NULL, /* Special_function. */
+ "R_D10V_GNU_VTINHERIT",/* Name. */
+ FALSE, /* Partial_inplace. */
+ 0, /* Src_mask. */
+ 0, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* GNU extension to record C++ vtable member usage. */
+ HOWTO (R_D10V_GNU_VTENTRY, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont,/* Complain_on_overflow. */
+ _bfd_elf_rel_vtable_reloc_fn, /* Special_function. */
+ "R_D10V_GNU_VTENTRY", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0, /* Src_mask. */
+ 0, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+};
/* Map BFD reloc types to D10V ELF reloc types. */
struct d10v_reloc_map
- {
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned char elf_reloc_val;
- };
+{
+ bfd_reloc_code_real_type bfd_reloc_val;
+ unsigned char elf_reloc_val;
+};
static const struct d10v_reloc_map d10v_reloc_map[] =
- {
- { BFD_RELOC_NONE, R_D10V_NONE, },
- { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R },
- { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L },
- { BFD_RELOC_16, R_D10V_16 },
- { BFD_RELOC_D10V_18, R_D10V_18 },
- { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL },
- { BFD_RELOC_32, R_D10V_32 },
- { BFD_RELOC_VTABLE_INHERIT, R_D10V_GNU_VTINHERIT },
- { BFD_RELOC_VTABLE_ENTRY, R_D10V_GNU_VTENTRY },
- };
+{
+ { BFD_RELOC_NONE, R_D10V_NONE, },
+ { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R },
+ { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L },
+ { BFD_RELOC_16, R_D10V_16 },
+ { BFD_RELOC_D10V_18, R_D10V_18 },
+ { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL },
+ { BFD_RELOC_32, R_D10V_32 },
+ { BFD_RELOC_VTABLE_INHERIT, R_D10V_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_D10V_GNU_VTENTRY },
+};
static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
+bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
{
unsigned int i;
for (i = 0;
i < sizeof (d10v_reloc_map) / sizeof (struct d10v_reloc_map);
i++)
- {
- if (d10v_reloc_map[i].bfd_reloc_val == code)
- return &elf_d10v_howto_table[d10v_reloc_map[i].elf_reloc_val];
- }
+ if (d10v_reloc_map[i].bfd_reloc_val == code)
+ return &elf_d10v_howto_table[d10v_reloc_map[i].elf_reloc_val];
+
+ return NULL;
+}
+
+static reloc_howto_type *
+bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (elf_d10v_howto_table) / sizeof (elf_d10v_howto_table[0]);
+ i++)
+ if (elf_d10v_howto_table[i].name != NULL
+ && strcasecmp (elf_d10v_howto_table[i].name, r_name) == 0)
+ return &elf_d10v_howto_table[i];
return NULL;
}
/* Set the howto pointer for an D10V ELF reloc. */
static void
-d10v_info_to_howto_rel (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
+d10v_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
unsigned int r_type;
}
static asection *
-elf32_d10v_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;
+elf32_d10v_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))
+ switch (ELF32_R_TYPE (rel->r_info))
{
case R_D10V_GNU_VTINHERIT:
case R_D10V_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;
+ }
- return NULL;
-}
-
-static bfd_boolean
-elf32_d10v_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;
-{
- /* we don't use got and plt entries for d10v */
- return TRUE;
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
/* Look through the relocs for a section during the first phase.
virtual table relocs for gc. */
static bfd_boolean
-elf32_d10v_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+elf32_d10v_check_relocs (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ 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++)
if (r_symndx < symtab_hdr->sh_info)
h = NULL;
else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
switch (ELF32_R_TYPE (rel->r_info))
{
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_D10V_GNU_VTENTRY:
- if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
+ BFD_ASSERT (h != NULL);
+ if (h != NULL
+ && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
return FALSE;
break;
}
}
static bfd_vma
-extract_rel_addend (abfd, where, howto)
- bfd *abfd;
- bfd_byte *where;
- reloc_howto_type *howto;
+extract_rel_addend (bfd *abfd,
+ bfd_byte *where,
+ reloc_howto_type *howto)
{
bfd_vma insn, val;
}
static void
-insert_rel_addend (abfd, where, howto, addend)
- bfd *abfd;
- bfd_byte *where;
- reloc_howto_type *howto;
- bfd_vma addend;
+insert_rel_addend (bfd *abfd,
+ bfd_byte *where,
+ reloc_howto_type *howto,
+ bfd_vma addend)
{
bfd_vma insn;
}
/* Relocate a D10V ELF section. */
+
static bfd_boolean
-elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd *output_bfd;
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- Elf_Internal_Rela *relocs;
- Elf_Internal_Sym *local_syms;
- asection **local_sections;
+elf32_d10v_relocate_section (bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
{
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type == R_D10V_GNU_VTENTRY
- || r_type == R_D10V_GNU_VTINHERIT )
+ || r_type == R_D10V_GNU_VTINHERIT)
continue;
howto = elf_d10v_howto_table + r_type;
-
- if (info->relocatable)
- {
- bfd_vma val;
- bfd_byte *where;
-
- /* This is a relocatable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx >= symtab_hdr->sh_info)
- continue;
-
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
- continue;
-
- sec = local_sections[r_symndx];
- val = sec->output_offset;
- if (val == 0)
- continue;
-
- where = contents + rel->r_offset;
- val += extract_rel_addend (input_bfd, where, howto);
- insert_rel_addend (input_bfd, where, howto, val);
- continue;
- }
-
- /* This is a final link. */
h = NULL;
sym = NULL;
sec = NULL;
relocation = (sec->output_section->vma
+ sec->output_offset
+ sym->st_value);
- if ((sec->flags & SEC_MERGE)
- && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+ if (ELF_ST_TYPE (sym->st_info) == STT_SECTION
+ && ((sec->flags & SEC_MERGE) != 0
+ || (info->relocatable
+ && sec->output_offset != 0)))
{
- asection *msec;
bfd_vma addend;
bfd_byte *where = contents + rel->r_offset;
addend = extract_rel_addend (input_bfd, where, howto);
- msec = sec;
- addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
- addend -= relocation;
- addend += msec->output_section->vma + msec->output_offset;
+
+ if (info->relocatable)
+ addend += sec->output_offset;
+ else
+ {
+ asection *msec = sec;
+ addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec,
+ addend);
+ addend -= relocation;
+ addend += msec->output_section->vma + msec->output_offset;
+ }
insert_rel_addend (input_bfd, where, howto, addend);
}
}
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;
+
if (h != NULL)
name = h->root.root.string;
else
{
case bfd_reloc_overflow:
if (!((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
+ (info, (h ? &h->root : NULL), name, howto->name,
(bfd_vma) 0, input_bfd, input_section,
rel->r_offset)))
return FALSE;
#define elf_backend_object_p 0
#define elf_backend_final_write_processing 0
#define elf_backend_gc_mark_hook elf32_d10v_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf32_d10v_gc_sweep_hook
#define elf_backend_check_relocs elf32_d10v_check_relocs
#define elf_backend_relocate_section elf32_d10v_relocate_section
#define elf_backend_can_gc_sections 1
projects / external / binutils.git / blobdiff