#define LD_R11_0R11 0xe96b0000 /* ld %r11,xxx+16@l(%r11) */
#define BCTR 0x4e800420 /* bctr */
-#define ADDI_R11_R11 0x396b0000 /* addi %r11,%r11,off@l */
-#define ADDIS_R2_R2 0x3c420000 /* addis %r2,%r2,off@ha */
-#define ADDI_R2_R2 0x38420000 /* addi %r2,%r2,off@l */
-
-#define XOR_R2_R12_R12 0x7d826278 /* xor %r2,%r12,%r12 */
-#define ADD_R11_R11_R2 0x7d6b1214 /* add %r11,%r11,%r2 */
-#define XOR_R11_R12_R12 0x7d8b6278 /* xor %r11,%r12,%r12 */
-#define ADD_R2_R2_R11 0x7c425a14 /* add %r2,%r2,%r11 */
-#define CMPLDI_R2_0 0x28220000 /* cmpldi %r2,0 */
-#define BNECTR 0x4ca20420 /* bnectr+ */
-#define BNECTR_P4 0x4ce20420 /* bnectr+ */
+#define ADDI_R11_R11 0x396b0000 /* addi %r11,%r11,off@l */
+#define ADDIS_R2_R2 0x3c420000 /* addis %r2,%r2,off@ha */
+#define ADDI_R2_R2 0x38420000 /* addi %r2,%r2,off@l */
+
+#define XOR_R2_R12_R12 0x7d826278 /* xor %r2,%r12,%r12 */
+#define ADD_R11_R11_R2 0x7d6b1214 /* add %r11,%r11,%r2 */
+#define XOR_R11_R12_R12 0x7d8b6278 /* xor %r11,%r12,%r12 */
+#define ADD_R2_R2_R11 0x7c425a14 /* add %r2,%r2,%r11 */
+#define CMPLDI_R2_0 0x28220000 /* cmpldi %r2,0 */
+#define BNECTR 0x4ca20420 /* bnectr+ */
+#define BNECTR_P4 0x4ce20420 /* bnectr+ */
#define LD_R12_0R2 0xe9820000 /* ld %r12,xxx+0(%r2) */
#define LD_R11_0R2 0xe9620000 /* ld %r11,xxx+0(%r2) */
-#define LD_R2_0R2 0xe8420000 /* ld %r2,xxx+0(%r2) */
+#define LD_R2_0R2 0xe8420000 /* ld %r2,xxx+0(%r2) */
-#define LD_R2_0R1 0xe8410000 /* ld %r2,0(%r1) */
-#define LD_R2_0R12 0xe84c0000 /* ld %r2,0(%r12) */
-#define ADD_R2_R2_R12 0x7c426214 /* add %r2,%r2,%r12 */
+#define LD_R2_0R1 0xe8410000 /* ld %r2,0(%r1) */
+#define LD_R2_0R12 0xe84c0000 /* ld %r2,0(%r12) */
+#define ADD_R2_R2_R12 0x7c426214 /* add %r2,%r2,%r12 */
-#define LIS_R2 0x3c400000 /* lis %r2,xxx@ha */
+#define LIS_R2 0x3c400000 /* lis %r2,xxx@ha */
#define ADDIS_R2_R12 0x3c4c0000 /* addis %r2,%r12,xxx@ha */
#define ADDIS_R12_R2 0x3d820000 /* addis %r12,%r2,xxx@ha */
#define ADDIS_R12_R12 0x3d8c0000 /* addis %r12,%r12,xxx@ha */
-#define LD_R12_0R12 0xe98c0000 /* ld %r12,xxx@l(%r12) */
+#define LD_R12_0R12 0xe98c0000 /* ld %r12,xxx@l(%r12) */
/* glink call stub instructions. We enter with the index in R0. */
#define GLINK_CALL_STUB_SIZE (16*4)
static const struct bfd_elf_special_section ppc64_elf_special_sections[]=
{
- { STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, 0 },
- { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, 0 },
+ { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
{ STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { STRING_COMMA_LEN (".toc"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { STRING_COMMA_LEN (".toc1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { STRING_COMMA_LEN (".toc"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { STRING_COMMA_LEN (".toc1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
{ STRING_COMMA_LEN (".tocbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
- { NULL, 0, 0, 0, 0 }
+ { NULL, 0, 0, 0, 0 }
};
enum _ppc64_sec_type {
/* Track dynamic relocs copied for this symbol. */
struct elf_dyn_relocs *dyn_relocs;
- /* Chain of aliases referring to a weakdef. */
- struct ppc_link_hash_entry *weakref;
-
/* Link between function code and descriptor symbols. */
struct ppc_link_hash_entry *oh;
if (eind->oh != NULL)
edir->oh = ppc_follow_link (eind->oh);
- /* 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. */
- if (!(ELIMINATE_COPY_RELOCS
- && eind->elf.root.type != bfd_link_hash_indirect
- && edir->elf.dynamic_adjusted))
- edir->elf.non_got_ref |= eind->elf.non_got_ref;
-
if (edir->elf.versioned != versioned_hidden)
edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
edir->elf.ref_regular |= eind->elf.ref_regular;
edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
+ edir->elf.non_got_ref |= eind->elf.non_got_ref;
edir->elf.needs_plt |= eind->elf.needs_plt;
edir->elf.pointer_equality_needed |= eind->elf.pointer_equality_needed;
in order to simplify readonly_dynrelocs and save a field in the
symbol hash entry, but that means dyn_relocs can't be used in any
tests about a specific symbol, or affect other symbol flags which
- are then tested.
- Chain weakdefs so we can get from the weakdef back to an alias.
- The list is circular so that we don't need to use u.weakdef as
- well as this list to look at all aliases. */
+ are then tested. */
if (eind->elf.root.type != bfd_link_hash_indirect)
- {
- struct ppc_link_hash_entry *cur, *add, *next;
-
- add = eind;
- do
- {
- cur = edir->weakref;
- if (cur != NULL)
- {
- do
- {
- /* We can be called twice for the same symbols.
- Don't make multiple loops. */
- if (cur == add)
- return;
- cur = cur->weakref;
- } while (cur != edir);
- }
- next = add->weakref;
- if (cur != add)
- {
- add->weakref = edir->weakref != NULL ? edir->weakref : edir;
- edir->weakref = add;
- }
- add = next;
- } while (add != NULL && add != eind);
- return;
- }
+ return;
/* Copy over any dynamic relocs we may have on the indirect sym. */
if (eind->dyn_relocs != NULL)
h = NULL;
else
{
- struct ppc_link_hash_entry *eh;
-
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
h = elf_follow_link (h);
- eh = (struct ppc_link_hash_entry *) h;
-
- /* PR15323, ref flags aren't set for references in the same
- object. */
- h->root.non_ir_ref_regular = 1;
- if (eh->is_func && eh->oh != NULL)
- eh->oh->elf.root.non_ir_ref_regular = 1;
if (h == htab->elf.hgot)
sec->has_toc_reloc = 1;
a call reloc. Mark the function descriptor too
against garbage collection. */
fdh->elf.mark = 1;
- if (fdh->elf.u.weakdef != NULL)
- fdh->elf.u.weakdef->mark = 1;
+ if (fdh->elf.is_weakalias)
+ weakdef (&fdh->elf)->mark = 1;
eh = fdh;
}
}
/* Return true if we have dynamic relocs against H or any of its weak
- aliases, that apply to read-only sections. */
+ aliases, that apply to read-only sections. Cannot be used after
+ size_dynamic_sections. */
static bfd_boolean
alias_readonly_dynrelocs (struct elf_link_hash_entry *h)
{
if (readonly_dynrelocs (&eh->elf))
return TRUE;
- eh = eh->weakref;
+ eh = (struct ppc_link_hash_entry *) eh->elf.u.alias;
} while (eh != NULL && &eh->elf != h);
return FALSE;
extra work in ld.so when resolving these symbols. */
if (global_entry_stub (h))
{
- if (!alias_readonly_dynrelocs (h))
+ if (!readonly_dynrelocs (h))
{
h->pointer_equality_needed = 0;
/* If we haven't seen a branch reloc then we don't need
return TRUE;
}
else if (!h->needs_plt
- && !alias_readonly_dynrelocs (h))
+ && !readonly_dynrelocs (h))
{
/* If we haven't seen a branch reloc then we don't need a
plt entry. */
/* 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->u.weakdef != NULL)
- {
- 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)
- h->non_got_ref = h->u.weakdef->non_got_ref;
+ if (h->is_weakalias)
+ {
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
+ if (def->root.u.def.section == htab->elf.sdynbss
+ || def->root.u.def.section == htab->elf.sdynrelro)
+ ((struct ppc_link_hash_entry *) h)->dyn_relocs = NULL;
return TRUE;
}
/* If -z nocopyreloc was given, don't generate them either. */
|| info->nocopyreloc
- /* If we didn't find any dynamic relocs in read-only sections, then
+ /* If we don't find any dynamic relocs in read-only sections, then
we'll be keeping the dynamic relocs and avoiding the copy reloc. */
|| (ELIMINATE_COPY_RELOCS && !alias_readonly_dynrelocs (h))
determine the address it must put in the global offset table, so
both the dynamic object and the regular object will refer to the
same memory location for the variable. */
-
- /* We must generate a R_PPC64_COPY reloc to tell the dynamic linker
- to copy the initial value out of the dynamic object and into the
- runtime process image. We need to remember the offset into the
- .rela.bss section we are going to use. */
if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
{
s = htab->elf.sdynrelro;
}
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
+ /* We must generate a R_PPC64_COPY reloc to tell the dynamic
+ linker to copy the initial value out of the dynamic object
+ and into the runtime process image. */
srel->size += sizeof (Elf64_External_Rela);
h->needs_copy = 1;
}
info->flags |= DF_TEXTREL;
info->callbacks->minfo
- (_("%B: dynamic relocation in read-only section `%A'\n"),
- sec->owner, sec);
+ (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
+ sec->owner, h->root.root.string, sec);
/* Not an error, just cut short the traversal. */
return FALSE;
continue;
}
+ if (bfd_is_abs_section (s->output_section))
+ _bfd_error_handler (_("warning: discarding dynamic section %s"),
+ s->name);
+
if ((s->flags & SEC_HAS_CONTENTS) == 0)
continue;
+ htab->brlt->output_section->vma);
off = (dest
- - elf_gp (htab->brlt->output_section->owner)
+ - elf_gp (info->output_bfd)
- htab->sec_info[stub_entry->group->link_sec->id].toc_off);
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
}
off = (dest
- - elf_gp (plt->output_section->owner)
+ - elf_gp (info->output_bfd)
- htab->sec_info[stub_entry->group->link_sec->id].toc_off);
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
plt = htab->elf.iplt;
off += (plt->output_offset
+ plt->output_section->vma
- - elf_gp (plt->output_section->owner)
+ - elf_gp (info->output_bfd)
- htab->sec_info[stub_entry->group->link_sec->id].toc_off);
size = plt_stub_size (htab, stub_entry, off);
off = (br_entry->offset
+ htab->brlt->output_offset
+ htab->brlt->output_section->vma
- - elf_gp (htab->brlt->output_section->owner)
+ - elf_gp (info->output_bfd)
- htab->sec_info[stub_entry->group->link_sec->id].toc_off);
if (info->emitrelocations)
output toc base plus 0x8000. Making the input elf_gp an
offset allows us to move the toc as a whole without
recalculating input elf_gp. */
- off = htab->toc_curr - elf_gp (isec->output_section->owner);
+ off = htab->toc_curr - elf_gp (info->output_bfd);
off += TOC_BASE_OFF;
/* Die if someone uses a linker script that doesn't keep input
}
addr = (htab->toc_first_sec->output_offset
+ htab->toc_first_sec->output_section->vma);
- off = addr - elf_gp (isec->output_section->owner) + TOC_BASE_OFF;
+ off = addr - elf_gp (info->output_bfd) + TOC_BASE_OFF;
elf_gp (isec->owner) = off;
return TRUE;
if (htab->glink_eh_frame != NULL
&& !bfd_is_abs_section (htab->glink_eh_frame->output_section)
- && htab->glink_eh_frame->output_section->size != 0)
+ && htab->glink_eh_frame->output_section->size > 8)
{
size_t size = 0, align = 4;
/* Multi-instruction sequences that access the TOC can be
optimized, eg. addis ra,r2,0; addi rb,ra,x;
- to nop; addi rb,r2,x; */
+ to nop; addi rb,r2,x; */
howto = ppc64_elf_howto_table[(int) r_type];
switch (r_type)
{
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