/* SPARC-specific support for 64-bit ELF
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
struct sparc64_elf_link_hash_table *ret;
bfd_size_type amt = sizeof (struct sparc64_elf_link_hash_table);
- ret = (struct sparc64_elf_link_hash_table *) bfd_zalloc (abfd, amt);
+ ret = (struct sparc64_elf_link_hash_table *) bfd_zmalloc (amt);
if (ret == (struct sparc64_elf_link_hash_table *) NULL)
return NULL;
if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
_bfd_elf_link_hash_newfunc))
{
- bfd_release (abfd, ret);
+ free (ret);
return NULL;
}
return true;
}
\f
+/* This is the condition under which finish_dynamic_symbol will be called
+ from elflink.h. If elflink.h doesn't call our finish_dynamic_symbol
+ routine, we'll need to do something about initializing any .plt and
+ .got entries in relocate_section. */
+#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
+ ((DYN) \
+ && ((INFO)->shared \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
+ && ((H)->dynindx != -1 \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
+
/* Relocate a SPARC64 ELF section. */
static boolean
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
asection *sec;
- bfd_vma relocation;
+ bfd_vma relocation, off;
bfd_reloc_status_type r;
boolean is_plt = false;
+ boolean unresolved_reloc;
r_type = ELF64_R_TYPE_ID (rel->r_info);
if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
h = NULL;
sym = NULL;
sec = NULL;
+ unresolved_reloc = false;
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
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;
+
+ relocation = 0;
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
- boolean skip_it = false;
sec = h->root.u.def.section;
-
- switch (r_type)
- {
- case R_SPARC_WPLT30:
- case R_SPARC_PLT32:
- case R_SPARC_HIPLT22:
- case R_SPARC_LOPLT10:
- case R_SPARC_PCPLT32:
- case R_SPARC_PCPLT22:
- case R_SPARC_PCPLT10:
- case R_SPARC_PLT64:
- if (h->plt.offset != (bfd_vma) -1)
- skip_it = true;
- break;
-
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- if (elf_hash_table(info)->dynamic_sections_created
- && (!info->shared
- || (!info->symbolic && h->dynindx != -1)
- || !(h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR)))
- skip_it = true;
- break;
-
- case R_SPARC_PC10:
- case R_SPARC_PC22:
- case R_SPARC_PC_HH22:
- case R_SPARC_PC_HM10:
- case R_SPARC_PC_LM22:
- if (!strcmp(h->root.root.string, "_GLOBAL_OFFSET_TABLE_"))
- break;
- /* FALLTHRU */
-
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_WDISP30:
- case R_SPARC_WDISP22:
- case R_SPARC_HI22:
- case R_SPARC_22:
- case R_SPARC_13:
- case R_SPARC_LO10:
- case R_SPARC_UA32:
- case R_SPARC_10:
- case R_SPARC_11:
- case R_SPARC_64:
- case R_SPARC_OLO10:
- case R_SPARC_HH22:
- case R_SPARC_HM10:
- case R_SPARC_LM22:
- case R_SPARC_WDISP19:
- case R_SPARC_WDISP16:
- case R_SPARC_7:
- case R_SPARC_5:
- case R_SPARC_6:
- case R_SPARC_DISP64:
- case R_SPARC_HIX22:
- case R_SPARC_LOX10:
- case R_SPARC_H44:
- case R_SPARC_M44:
- case R_SPARC_L44:
- case R_SPARC_UA64:
- case R_SPARC_UA16:
- if (info->shared
- && ((!info->symbolic && h->dynindx != -1)
- || !(h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR))
- && ((input_section->flags & SEC_ALLOC) != 0
- /* DWARF will emit R_SPARC_{32,64} relocations in
- its sections against symbols defined externally
- in shared libraries. We can't do anything
- with them here. */
- || ((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0)))
- skip_it = true;
- break;
- }
-
- if (skip_it)
- {
- /* In these cases, we don't need the relocation
- value. We check specially because in some
- obscure cases sec->output_section will be NULL. */
- relocation = 0;
- }
+ if (sec->output_section == NULL)
+ /* Set a flag that will be cleared later if we find a
+ relocation value for this symbol. output_section
+ is typically NULL for symbols satisfied by a shared
+ library. */
+ unresolved_reloc = true;
else
- {
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
+ 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->shared
&& (!info->symbolic || info->allow_shlib_undefined)
&& !info->no_undefined
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
- relocation = 0;
+ ;
else
{
if (! ((*info->callbacks->undefined_symbol)
}
}
-do_dynreloc:
+ do_dynreloc:
/* When generating a shared object, these relocations are copied
into the output file to be resolved at run time. */
if (info->shared && r_symndx != 0 && (input_section->flags & SEC_ALLOC))
case R_SPARC_DISP8:
case R_SPARC_DISP16:
case R_SPARC_DISP32:
+ case R_SPARC_DISP64:
case R_SPARC_WDISP30:
case R_SPARC_WDISP22:
case R_SPARC_WDISP19:
case R_SPARC_WDISP16:
- case R_SPARC_DISP64:
if (h == NULL)
break;
/* Fall through. */
case R_SPARC_UA16:
{
Elf_Internal_Rela outrel;
- boolean skip;
+ boolean skip, relocate;
if (sreloc == NULL)
{
}
skip = false;
+ relocate = false;
outrel.r_offset =
_bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset);
if (outrel.r_offset == (bfd_vma) -1)
skip = true;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = true, relocate = true;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
case R_SPARC_UA64:
if (!(outrel.r_offset & 7)) r_type = R_SPARC_64;
break;
+ case R_SPARC_DISP8:
+ case R_SPARC_DISP16:
+ case R_SPARC_DISP32:
+ case R_SPARC_DISP64:
+ /* If the symbol is not dynamic, we should not keep
+ a dynamic relocation. But an .rela.* slot has been
+ allocated for it, output R_SPARC_NONE.
+ FIXME: Add code tracking needed dynamic relocs as
+ e.g. i386 has. */
+ if (h->dynindx == -1)
+ skip = true, relocate = true;
+ break;
}
if (skip)
/* This reloc will be computed at runtime, so there's no
need to do anything now. */
- continue;
+ if (! relocate)
+ continue;
}
break;
}
if (h != NULL)
{
- bfd_vma off = h->got.offset;
+ boolean dyn;
+
+ off = h->got.offset;
BFD_ASSERT (off != (bfd_vma) -1);
+ dyn = elf_hash_table (info)->dynamic_sections_created;
- if (! elf_hash_table (info)->dynamic_sections_created
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
|| (info->shared
- && (info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR)))
+ && (info->symbolic
+ || h->dynindx == -1
+ || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
{
/* This is actually a static link, or it is a -Bsymbolic
link and the symbol is defined locally, or the symbol
h->got.offset |= 1;
}
}
- relocation = sgot->output_offset + off - got_base;
+ else
+ unresolved_reloc = false;
}
else
{
- bfd_vma off;
-
BFD_ASSERT (local_got_offsets != NULL);
off = local_got_offsets[r_symndx];
BFD_ASSERT (off != (bfd_vma) -1);
else
bfd_put_64 (output_bfd, relocation, sgot->contents + off);
}
- relocation = sgot->output_offset + off - got_base;
}
+ relocation = sgot->output_offset + off - got_base;
goto do_default;
case R_SPARC_WPLT30:
relocation = (splt->output_section->vma
+ splt->output_offset
+ sparc64_elf_plt_entry_offset (h->plt.offset));
+ unresolved_reloc = false;
if (r_type == R_SPARC_WPLT30)
goto do_wplt30;
if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
break;
}
+ if (unresolved_reloc
+ && !(info->shared
+ && (input_section->flags & SEC_DEBUGGING) != 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
+ (*_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),
+ (long) rel->r_offset,
+ h->root.root.string);
+
switch (r)
{
case bfd_reloc_ok:
projects / deliverable / binutils-gdb.git / blobdiff