/* D10V-specific support for 32-bit ELF
- Copyright (C) 1996, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1996-2019 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 *, Elf32_Internal_Rel *));
+#include "elf/d10v.h"
-
-/* Use REL instead of RELA to save space */
-#define USE_REL
-
-enum reloc_type
-{
- R_D10V_NONE = 0,
- R_D10V_10_PCREL_R,
- R_D10V_10_PCREL_L,
- R_D10V_16,
- R_D10V_18,
- R_D10V_18_PCREL,
- R_D10V_32,
- R_D10V_GNU_VTINHERIT,
- R_D10V_GNU_VTENTRY,
- R_D10V_max
-};
+/* 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_bitfield, /* 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) */
- 10, /* 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) */
- 10, /* 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) */
- 18, /* 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) */
- 18, /* 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_bitfield, /* 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 */
-
+ HOWTO (R_D10V_NONE, /* Type. */
+ 0, /* Rightshift. */
+ 3, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* 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. */
unsigned char elf_reloc_val;
};
- static const struct d10v_reloc_map d10v_reloc_map[] =
+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 },
};
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;
- Elf32_Internal_Rel *dst;
+static bfd_boolean
+d10v_info_to_howto_rel (bfd *abfd,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_D10V_max);
+ if (r_type >= (unsigned int) R_D10V_max)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
cache_ptr->howto = &elf_d10v_howto_table[r_type];
+ return TRUE;
}
static asection *
-elf32_d10v_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd;
- 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
- {
- if (!(elf_bad_symtab (abfd)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- {
- return bfd_section_from_elf_index (abfd, sym->st_shndx);
- }
+ return NULL;
}
- return NULL;
-}
-static 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.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
-
-static boolean
-elf32_d10v_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+
+static bfd_boolean
+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;
-
- if (info->relocateable)
- return true;
-
+
+ if (bfd_link_relocatable (info))
+ return TRUE;
+
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++)
{
struct elf_link_hash_entry *h;
unsigned long r_symndx;
-
+
r_symndx = ELF32_R_SYM (rel->r_info);
if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
+ 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 the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_D10V_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return false;
- break;
-
- /* This relocation describes which C++ vtable entries are actually
- used. Record for later use during GC. */
- case R_D10V_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset))
- return false;
- break;
- }
+ {
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_D10V_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ /* 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))
+ return FALSE;
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+static bfd_vma
+extract_rel_addend (bfd *abfd,
+ bfd_byte *where,
+ reloc_howto_type *howto)
+{
+ bfd_vma insn, val;
+
+ switch (howto->size)
+ {
+ case 0:
+ insn = bfd_get_8 (abfd, where);
+ break;
+ case 1:
+ insn = bfd_get_16 (abfd, where);
+ break;
+ case 2:
+ insn = bfd_get_32 (abfd, where);
+ break;
+ default:
+ abort ();
+ }
+
+ val = (insn & howto->dst_mask) >> howto->bitpos << howto->rightshift;
+ /* We should really be testing for signed addends here, but we don't
+ have that info directly in the howto. */
+ if (howto->pc_relative)
+ {
+ bfd_vma sign;
+ sign = howto->dst_mask & (~howto->dst_mask >> 1 | ~(-(bfd_vma) 1 >> 1));
+ sign = sign >> howto->bitpos << howto->rightshift;
+ val = (val ^ sign) - sign;
+ }
+ return val;
+}
+
+static void
+insert_rel_addend (bfd *abfd,
+ bfd_byte *where,
+ reloc_howto_type *howto,
+ bfd_vma addend)
+{
+ bfd_vma insn;
+
+ addend = (addend >> howto->rightshift << howto->bitpos) & howto->dst_mask;
+ insn = ~howto->dst_mask;
+ switch (howto->size)
+ {
+ case 0:
+ insn &= bfd_get_8 (abfd, where);
+ insn |= addend;
+ bfd_put_8 (abfd, insn, where);
+ break;
+ case 1:
+ insn &= bfd_get_16 (abfd, where);
+ insn |= addend;
+ bfd_put_16 (abfd, insn, where);
+ break;
+ case 2:
+ insn &= bfd_get_32 (abfd, where);
+ insn |= addend;
+ bfd_put_32 (abfd, insn, where);
+ break;
+ default:
+ abort ();
}
-
- return true;
}
/* Relocate a D10V ELF section. */
-static boolean
-elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- 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;
+
+static bfd_boolean
+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 )
- continue;
+ || r_type == R_D10V_GNU_VTINHERIT)
+ continue;
howto = elf_d10v_howto_table + r_type;
-
- if (info->relocateable)
- {
- /* This is a relocateable 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)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
-
- /* This is a final link. */
h = NULL;
sym = NULL;
sec = NULL;
relocation = (sec->output_section->vma
+ sec->output_offset
+ sym->st_value);
+ if (ELF_ST_TYPE (sym->st_info) == STT_SECTION
+ && ((sec->flags & SEC_MERGE) != 0
+ || (bfd_link_relocatable (info)
+ && sec->output_offset != 0)))
+ {
+ bfd_vma addend;
+ bfd_byte *where = contents + rel->r_offset;
+
+ addend = extract_rel_addend (input_bfd, where, howto);
+
+ if (bfd_link_relocatable (info))
+ 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);
+ }
}
else
{
- 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;
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- sec = h->root.u.def.section;
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else if (h->root.type == bfd_link_hash_undefweak)
- relocation = 0;
- else
- {
- if (!((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset)))
- return false;
- relocation = 0;
- }
+ bfd_boolean unresolved_reloc, warned, ignored;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned, ignored);
}
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
+
+ if (bfd_link_relocatable (info))
+ continue;
+
if (h != NULL)
name = h->root.root.string;
else
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL || *name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
-
+
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
+ contents, rel->r_offset,
+ relocation, (bfd_vma) 0);
if (r != bfd_reloc_ok)
{
switch (r)
{
case bfd_reloc_overflow:
- if (!((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return false;
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- if (!((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset)))
- return false;
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
- msg = _ ("internal error: out of range error");
+ msg = _("internal error: out of range error");
goto common_error;
case bfd_reloc_notsupported:
- msg = _ ("internal error: unsupported relocation error");
+ msg = _("internal error: unsupported relocation error");
goto common_error;
case bfd_reloc_dangerous:
- msg = _ ("internal error: dangerous error");
+ msg = _("internal error: dangerous error");
goto common_error;
default:
- msg = _ ("internal error: unknown error");
+ msg = _("internal error: unknown error");
/* fall through */
common_error:
- if (!((*info->callbacks->warning)
- (info, msg, name, input_bfd, input_section,
- rel->r_offset)))
- return false;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
break;
}
}
}
- return true;
+ return TRUE;
}
#define ELF_ARCH bfd_arch_d10v
-#define ELF_MACHINE_CODE EM_CYGNUS_D10V
+#define ELF_MACHINE_CODE EM_D10V
+#define ELF_MACHINE_ALT1 EM_CYGNUS_D10V
#define ELF_MAXPAGESIZE 0x1000
-#define TARGET_BIG_SYM bfd_elf32_d10v_vec
+#define TARGET_BIG_SYM d10v_elf32_vec
#define TARGET_BIG_NAME "elf32-d10v"
-#define elf_info_to_howto 0
-#define elf_info_to_howto_rel d10v_info_to_howto_rel
-#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
+#define elf_info_to_howto NULL
+#define elf_info_to_howto_rel d10v_info_to_howto_rel
+#define elf_backend_object_p 0
+#define elf_backend_gc_mark_hook elf32_d10v_gc_mark_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
#include "elf32-target.h"