/* X86-64 specific support for 64-bit ELF
- Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
Contributed by Jan Hubicka <jh@suse.cz>.
This file is part of BFD, the Binary File Descriptor library.
elf64_x86_64_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
{
int offset;
- size_t raw_size;
+ size_t size;
switch (note->descsz)
{
/* pr_reg */
offset = 112;
- raw_size = 216;
+ size = 216;
break;
}
/* Make a ".reg/999" section. */
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
- raw_size, note->descpos + offset);
+ size, note->descpos + offset);
}
static bfd_boolean
if (ELIMINATE_COPY_RELOCS
&& ind->root.type != bfd_link_hash_indirect
- && (dir->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) != 0)
- /* If called to transfer flags for a weakdef during processing
- of elf_adjust_dynamic_symbol, don't copy ELF_LINK_NON_GOT_REF.
- We clear it ourselves for ELIMINATE_COPY_RELOCS. */
- dir->elf_link_hash_flags |=
- (ind->elf_link_hash_flags & (ELF_LINK_HASH_REF_DYNAMIC
- | ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK
- | ELF_LINK_HASH_NEEDS_PLT));
+ && dir->dynamic_adjusted)
+ {
+ /* If called to transfer flags for a weakdef during processing
+ of elf_adjust_dynamic_symbol, don't copy non_got_ref.
+ We clear it ourselves for ELIMINATE_COPY_RELOCS. */
+ dir->ref_dynamic |= ind->ref_dynamic;
+ dir->ref_regular |= ind->ref_regular;
+ dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
+ dir->needs_plt |= ind->needs_plt;
+ dir->pointer_equality_needed |= ind->pointer_equality_needed;
+ }
else
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
}
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
{
- (*_bfd_error_handler) (_("%s: bad symbol index: %d"),
- bfd_archive_filename (abfd),
- r_symndx);
+ (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
+ abfd, r_symndx);
return FALSE;
}
if (info->shared)
{
(*_bfd_error_handler)
- (_("%s: relocation %s can not be used when making a shared object; recompile with -fPIC"),
- bfd_archive_filename (abfd),
- x86_64_elf_howto_table[r_type].name);
+ (_("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC"),
+ abfd,
+ x86_64_elf_howto_table[r_type].name,
+ (h) ? h->root.root.string : "a local symbol");
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
else
{
(*_bfd_error_handler)
- (_("%s: %s' accessed both as normal and thread local symbol"),
- bfd_archive_filename (abfd),
- h ? h->root.root.string : "<local>");
+ (_("%B: %s' accessed both as normal and thread local symbol"),
+ abfd, h ? h->root.root.string : "<local>");
return FALSE;
}
}
if (h == NULL)
continue;
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
h->plt.refcount += 1;
break;
&& (sec->flags & SEC_READONLY) != 0)
{
(*_bfd_error_handler)
- (_("%s: relocation %s can not be used when making a shared object; recompile with -fPIC"),
- bfd_archive_filename (abfd),
- x86_64_elf_howto_table[r_type].name);
+ (_("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC"),
+ abfd,
+ x86_64_elf_howto_table[r_type].name,
+ (h) ? h->root.root.string : "a local symbol");
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
sections have not yet been mapped to output sections.
Tentatively set the flag for now, and correct in
adjust_dynamic_symbol. */
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 1;
/* We may need a .plt entry if the function this reloc
refers to is in a shared lib. */
h->plt.refcount += 1;
+ if (r_type != R_X86_64_PC32)
+ h->pointer_equality_needed = 1;
}
/* If we are creating a shared library, and this is a reloc
|| (h != NULL
&& (! info->symbolic
|| h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ || !h->def_regular))))
|| (ELIMINATE_COPY_RELOCS
&& !info->shared
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
&& (h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)))
+ || !h->def_regular)))
{
struct elf64_x86_64_dyn_relocs *p;
struct elf64_x86_64_dyn_relocs **head;
name + 5) != 0)
{
(*_bfd_error_handler)
- (_("%s: bad relocation section name `%s\'"),
- bfd_archive_filename (abfd), name);
+ (_("%B: bad relocation section name `%s\'"),
+ abfd, name);
}
if (htab->elf.dynobj == NULL)
struct elf64_x86_64_dyn_relocs *p;
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;
eh = (struct elf64_x86_64_link_hash_entry *) h;
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
will fill in the contents of the procedure linkage table later,
when we know the address of the .got section. */
if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || h->needs_plt)
{
if (h->plt.refcount <= 0
|| SYMBOL_CALLS_LOCAL (info, h)
such a case, we don't actually need to build a procedure
linkage table, and we can just do a PC32 reloc instead. */
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
return TRUE;
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->weakdef != NULL)
+ if (h->u.weakdef != NULL)
{
- BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
- || h->weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->weakdef->root.u.def.section;
- h->root.u.def.value = h->weakdef->root.u.def.value;
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
if (ELIMINATE_COPY_RELOCS || info->nocopyreloc)
- h->elf_link_hash_flags
- = ((h->elf_link_hash_flags & ~ELF_LINK_NON_GOT_REF)
- | (h->weakdef->elf_link_hash_flags & ELF_LINK_NON_GOT_REF));
+ h->non_got_ref = h->u.weakdef->non_got_ref;
return TRUE;
}
/* If there are no references to this symbol that do not use the
GOT, we don't need to generate a copy reloc. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
+ if (!h->non_got_ref)
return TRUE;
/* If -z nocopyreloc was given, we won't generate them either. */
if (info->nocopyreloc)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
we'll be keeping the dynamic relocs and avoiding the copy reloc. */
if (p == NULL)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
}
runtime process image. */
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
{
- htab->srelbss->_raw_size += sizeof (Elf64_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ htab->srelbss->size += sizeof (Elf64_External_Rela);
+ h->needs_copy = 1;
}
/* We need to figure out the alignment required for this symbol. I
/* Apply the required alignment. */
s = htab->sdynbss;
- s->_raw_size = BFD_ALIGN (s->_raw_size, (bfd_size_type) (1 << power_of_two));
+ s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
{
if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
/* Define the symbol as being at this point in the section. */
h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
+ h->root.u.def.value = s->size;
/* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
+ s->size += h->size;
return TRUE;
}
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
/* If this is the first .plt entry, make room for the special
first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += PLT_ENTRY_SIZE;
+ if (s->size == 0)
+ s->size += PLT_ENTRY_SIZE;
- h->plt.offset = s->_raw_size;
+ h->plt.offset = s->size;
/* If this symbol is not defined in a regular file, and we are
not generating a shared library, then set the symbol to this
pointers compare as equal between the normal executable and
the shared library. */
if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->def_regular)
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
}
/* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
+ s->size += PLT_ENTRY_SIZE;
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
- htab->sgotplt->_raw_size += GOT_ENTRY_SIZE;
+ htab->sgotplt->size += GOT_ENTRY_SIZE;
/* We also need to make an entry in the .rela.plt section. */
- htab->srelplt->_raw_size += sizeof (Elf64_External_Rela);
+ htab->srelplt->size += sizeof (Elf64_External_Rela);
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
/* If R_X86_64_GOTTPOFF symbol is now local to the binary,
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
s = htab->sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
+ h->got.offset = s->size;
+ s->size += GOT_ENTRY_SIZE;
/* R_X86_64_TLSGD needs 2 consecutive GOT slots. */
if (tls_type == GOT_TLS_GD)
- s->_raw_size += GOT_ENTRY_SIZE;
+ s->size += GOT_ENTRY_SIZE;
dyn = htab->elf.dynamic_sections_created;
/* R_X86_64_TLSGD needs one dynamic relocation if local symbol
and two if global.
R_X86_64_GOTTPOFF needs one dynamic relocation. */
if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
|| tls_type == GOT_TLS_IE)
- htab->srelgot->_raw_size += sizeof (Elf64_External_Rela);
+ htab->srelgot->size += sizeof (Elf64_External_Rela);
else if (tls_type == GOT_TLS_GD)
- htab->srelgot->_raw_size += 2 * sizeof (Elf64_External_Rela);
+ htab->srelgot->size += 2 * sizeof (Elf64_External_Rela);
else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
&& (info->shared
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
- htab->srelgot->_raw_size += sizeof (Elf64_External_Rela);
+ htab->srelgot->size += sizeof (Elf64_External_Rela);
}
else
h->got.offset = (bfd_vma) -1;
symbols which turn out to need copy relocs or are not
dynamic. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| (htab->elf.dynamic_sections_created
&& (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined))))
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
- sreloc->_raw_size += p->count * sizeof (Elf64_External_Rela);
+ sreloc->size += p->count * sizeof (Elf64_External_Rela);
}
return TRUE;
s = bfd_get_section_by_name (dynobj, ".interp");
if (s == NULL)
abort ();
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
else if (p->count != 0)
{
srel = elf_section_data (p->sec)->sreloc;
- srel->_raw_size += p->count * sizeof (Elf64_External_Rela);
+ srel->size += p->count * sizeof (Elf64_External_Rela);
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
info->flags |= DF_TEXTREL;
{
if (*local_got > 0)
{
- *local_got = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
+ *local_got = s->size;
+ s->size += GOT_ENTRY_SIZE;
if (*local_tls_type == GOT_TLS_GD)
- s->_raw_size += GOT_ENTRY_SIZE;
+ s->size += GOT_ENTRY_SIZE;
if (info->shared
|| *local_tls_type == GOT_TLS_GD
|| *local_tls_type == GOT_TLS_IE)
- srel->_raw_size += sizeof (Elf64_External_Rela);
+ srel->size += sizeof (Elf64_External_Rela);
}
else
*local_got = (bfd_vma) -1;
{
/* Allocate 2 got entries and 1 dynamic reloc for R_X86_64_TLSLD
relocs. */
- htab->tls_ld_got.offset = htab->sgot->_raw_size;
- htab->sgot->_raw_size += 2 * GOT_ENTRY_SIZE;
- htab->srelgot->_raw_size += sizeof (Elf64_External_Rela);
+ htab->tls_ld_got.offset = htab->sgot->size;
+ htab->sgot->size += 2 * GOT_ENTRY_SIZE;
+ htab->srelgot->size += sizeof (Elf64_External_Rela);
}
else
htab->tls_ld_got.offset = -1;
}
else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
{
- if (s->_raw_size != 0 && s != htab->srelplt)
+ if (s->size != 0 && s != htab->srelplt)
relocs = TRUE;
/* We use the reloc_count field as a counter if we need
continue;
}
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is mostly to handle .rela.bss and
section's contents are written out. This should not happen,
but this way if it does, we get a R_X86_64_NONE reloc instead
of garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
if (s->contents == NULL)
return FALSE;
}
return FALSE;
}
- if (htab->splt->_raw_size != 0)
+ if (htab->splt->size != 0)
{
if (!add_dynamic_entry (DT_PLTGOT, 0)
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
return address - htab->tls_size - htab->tls_sec->vma;
}
+/* Is the instruction before OFFSET in CONTENTS a 32bit relative
+ branch? */
+
+static bfd_boolean
+is_32bit_relative_branch (bfd_byte *contents, bfd_vma offset)
+{
+ /* Opcode Instruction
+ 0xe8 call
+ 0xe9 jump
+ 0x0f 0x8x conditional jump */
+ return ((offset > 0
+ && (contents [offset - 1] == 0xe8
+ || contents [offset - 1] == 0xe9))
+ || (offset > 1
+ && contents [offset - 2] == 0x0f
+ && (contents [offset - 1] & 0xf0) == 0x80));
+}
+
/* Relocate an x86_64 ELF section. */
static bfd_boolean
if (off >= (bfd_vma) -2)
abort ();
- relocation = htab->sgot->output_offset + off;
- if (r_type == R_X86_64_GOTPCREL)
- relocation += htab->sgot->output_section->vma;
+ relocation = htab->sgot->output_section->vma
+ + htab->sgot->output_offset + off;
+ if (r_type != R_X86_64_GOTPCREL)
+ relocation -= htab->sgotplt->output_section->vma
+ - htab->sgotplt->output_offset;
break;
case R_X86_64_PC8:
case R_X86_64_PC16:
case R_X86_64_PC32:
+ if (info->shared
+ && !SYMBOL_REFERENCES_LOCAL (info, h)
+ && (input_section->flags & SEC_ALLOC) != 0
+ && (input_section->flags & SEC_READONLY) != 0
+ && (!h->def_regular
+ || r_type != R_X86_64_PC32
+ || h->type != STT_FUNC
+ || ELF_ST_VISIBILITY (h->other) != STV_PROTECTED
+ || !is_32bit_relative_branch (contents,
+ rel->r_offset)))
+ {
+ if (h->def_regular
+ && r_type == R_X86_64_PC32
+ && h->type == STT_FUNC
+ && ELF_ST_VISIBILITY (h->other) == STV_PROTECTED)
+ (*_bfd_error_handler)
+ (_("%B: relocation R_X86_64_PC32 against protected function `%s' can not be used when making a shared object"),
+ input_bfd, h->root.root.string);
+ else
+ (*_bfd_error_handler)
+ (_("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC"),
+ input_bfd, x86_64_elf_howto_table[r_type].name,
+ h->root.root.string);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ /* Fall through. */
+
case R_X86_64_8:
case R_X86_64_16:
case R_X86_64_32:
&& !info->shared
&& h != NULL
&& h->dynindx != -1
- && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined)))
{
|| r_type == R_X86_64_PC32
|| !info->shared
|| !info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || !h->def_regular))
{
outrel.r_info = ELF64_R_INFO (h->dynindx, r_type);
outrel.r_addend = rel->r_addend;
BFD_ASSERT (bfd_get_8 (input_bfd,
contents + rel->r_offset - 4 + i)
== tlsgd[i]);
- BFD_ASSERT (rel->r_offset + 12 <= input_section->_raw_size);
+ BFD_ASSERT (rel->r_offset + 12 <= input_section->size);
for (i = 0; i < 4; i++)
BFD_ASSERT (bfd_get_8 (input_bfd,
contents + rel->r_offset + 4 + i)
reg = bfd_get_8 (input_bfd, contents + rel->r_offset - 1);
BFD_ASSERT ((reg & 0xc7) == 5);
reg >>= 3;
- BFD_ASSERT (rel->r_offset + 4 <= input_section->_raw_size);
+ BFD_ASSERT (rel->r_offset + 4 <= input_section->size);
if (type == 0x8b)
{
/* movq */
BFD_ASSERT (bfd_get_8 (input_bfd,
contents + rel->r_offset - 4 + i)
== tlsgd[i]);
- BFD_ASSERT (rel->r_offset + 12 <= input_section->_raw_size);
+ BFD_ASSERT (rel->r_offset + 12 <= input_section->size);
for (i = 0; i < 4; i++)
BFD_ASSERT (bfd_get_8 (input_bfd,
contents + rel->r_offset + 4 + i)
== 0x8d);
BFD_ASSERT (bfd_get_8 (input_bfd, contents + rel->r_offset - 1)
== 0x3d);
- BFD_ASSERT (rel->r_offset + 9 <= input_section->_raw_size);
+ BFD_ASSERT (rel->r_offset + 9 <= input_section->size);
BFD_ASSERT (bfd_get_8 (input_bfd, contents + rel->r_offset + 4)
== 0xe8);
BFD_ASSERT (rel + 1 < relend);
not process them. */
if (unresolved_reloc
&& !((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
+ && h->def_dynamic))
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): unresolvable relocation against symbol `%s'"),
+ input_bfd,
+ input_section,
(long) rel->r_offset,
h->root.root.string);
if (r == bfd_reloc_overflow)
{
+ if (h != NULL
+ && h->root.type == bfd_link_hash_undefweak
+ && howto->pc_relative)
+ /* Ignore reloc overflow on branches to undefweak syms. */
+ continue;
if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section,
+ rel->r_offset)))
return FALSE;
}
else
{
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): reloc against `%s': error %d"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): reloc against `%s': error %d"),
+ input_bfd, input_section,
(long) rel->r_offset, name, (int) r);
return FALSE;
}
loc = htab->srelplt->contents + plt_index * sizeof (Elf64_External_Rela);
bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
- the .plt section. Leave the value alone. This is a clue
+ the .plt section. Leave the value if there were any
+ relocations where pointer equality matters (this is a clue
for the dynamic linker, to make function pointer
comparisons work between an application and shared
- library. */
+ library), otherwise set it to zero. If a function is only
+ called from a binary, there is no need to slow down
+ shared libraries because of that. */
sym->st_shndx = SHN_UNDEF;
+ if (!h->pointer_equality_needed)
+ sym->st_value = 0;
}
}
bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
}
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ if (h->needs_copy)
{
Elf_Internal_Rela rela;
bfd_byte *loc;
abort ();
dyncon = (Elf64_External_Dyn *) sdyn->contents;
- dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
continue;
case DT_PLTGOT:
- dyn.d_un.d_ptr = htab->sgot->output_section->vma;
+ s = htab->sgotplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
break;
case DT_JMPREL:
case DT_PLTRELSZ:
s = htab->srelplt->output_section;
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
+ dyn.d_un.d_val = s->size;
break;
case DT_RELASZ:
if (htab->srelplt != NULL)
{
s = htab->srelplt->output_section;
- if (s->_cooked_size != 0)
- dyn.d_un.d_val -= s->_cooked_size;
- else
- dyn.d_un.d_val -= s->_raw_size;
+ dyn.d_un.d_val -= s->size;
}
break;
}
}
/* Fill in the special first entry in the procedure linkage table. */
- if (htab->splt && htab->splt->_raw_size > 0)
+ if (htab->splt && htab->splt->size > 0)
{
/* Fill in the first entry in the procedure linkage table. */
memcpy (htab->splt->contents, elf64_x86_64_plt0_entry,
if (htab->sgotplt)
{
/* Fill in the first three entries in the global offset table. */
- if (htab->sgotplt->_raw_size > 0)
+ if (htab->sgotplt->size > 0)
{
/* Set the first entry in the global offset table to the address of
the dynamic section. */
GOT_ENTRY_SIZE;
}
+ if (htab->sgot && htab->sgot->size > 0)
+ elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize
+ = GOT_ENTRY_SIZE;
+
return TRUE;
}
return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
}
+/* Handle an x86-64 specific section when reading an object file. This
+ is called when elfcode.h finds a section with an unknown type. */
+
+static bfd_boolean
+elf64_x86_64_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)
+{
+ if (hdr->sh_type != SHT_X86_64_UNWIND)
+ return FALSE;
+
+ if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
+ return FALSE;
+
+ return TRUE;
+}
+
#define TARGET_LITTLE_SYM bfd_elf64_x86_64_vec
#define TARGET_LITTLE_NAME "elf64-x86-64"
#define ELF_ARCH bfd_arch_i386
#define elf_backend_object_p elf64_x86_64_elf_object_p
#define bfd_elf64_mkobject elf64_x86_64_mkobject
+#define elf_backend_section_from_shdr \
+ elf64_x86_64_section_from_shdr
+
#include "elf64-target.h"
projects / deliverable / binutils-gdb.git / blobdiff