struct ppc_link_hash_entry *tls_get_addr;
struct ppc_link_hash_entry *tls_get_addr_fd;
+ /* The special .TOC. symbol. */
+ struct ppc_link_hash_entry *dot_toc_dot;
+
/* The size of reliplt used by got entry relocs. */
bfd_size_type got_reli_size;
if (! _bfd_elf_create_got_section (htab->elf.dynobj, info))
return FALSE;
- htab->got = bfd_get_section_by_name (htab->elf.dynobj, ".got");
+ htab->got = bfd_get_linker_section (htab->elf.dynobj, ".got");
if (!htab->got)
abort ();
}
return FALSE;
if (!htab->got)
- htab->got = bfd_get_section_by_name (dynobj, ".got");
- htab->plt = bfd_get_section_by_name (dynobj, ".plt");
- htab->relplt = bfd_get_section_by_name (dynobj, ".rela.plt");
- htab->dynbss = bfd_get_section_by_name (dynobj, ".dynbss");
+ htab->got = bfd_get_linker_section (dynobj, ".got");
+ htab->plt = bfd_get_linker_section (dynobj, ".plt");
+ htab->relplt = bfd_get_linker_section (dynobj, ".rela.plt");
+ htab->dynbss = bfd_get_linker_section (dynobj, ".dynbss");
if (!info->shared)
- htab->relbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+ htab->relbss = bfd_get_linker_section (dynobj, ".rela.bss");
if (!htab->got || !htab->plt || !htab->relplt || !htab->dynbss
|| (!info->shared && !htab->relbss))
goto error_ret;
/* Mark toc entries referenced as used. */
- repeat = 0;
do
- for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
- {
- enum elf_ppc64_reloc_type r_type;
- unsigned long r_symndx;
- asection *sym_sec;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
- bfd_vma val;
- enum {no_check, check_lo, check_ha} insn_check;
-
- r_type = ELF64_R_TYPE (rel->r_info);
- switch (r_type)
- {
- default:
- insn_check = no_check;
- break;
+ {
+ repeat = 0;
+ for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
+ {
+ enum elf_ppc64_reloc_type r_type;
+ unsigned long r_symndx;
+ asection *sym_sec;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+ bfd_vma val;
+ enum {no_check, check_lo, check_ha} insn_check;
- case R_PPC64_GOT_TLSLD16_HA:
- case R_PPC64_GOT_TLSGD16_HA:
- case R_PPC64_GOT_TPREL16_HA:
- case R_PPC64_GOT_DTPREL16_HA:
- case R_PPC64_GOT16_HA:
- case R_PPC64_TOC16_HA:
- insn_check = check_ha;
- break;
+ r_type = ELF64_R_TYPE (rel->r_info);
+ switch (r_type)
+ {
+ default:
+ insn_check = no_check;
+ break;
- case R_PPC64_GOT_TLSLD16_LO:
- case R_PPC64_GOT_TLSGD16_LO:
- case R_PPC64_GOT_TPREL16_LO_DS:
- case R_PPC64_GOT_DTPREL16_LO_DS:
- case R_PPC64_GOT16_LO:
- case R_PPC64_GOT16_LO_DS:
- case R_PPC64_TOC16_LO:
- case R_PPC64_TOC16_LO_DS:
- insn_check = check_lo;
- break;
- }
+ case R_PPC64_GOT_TLSLD16_HA:
+ case R_PPC64_GOT_TLSGD16_HA:
+ case R_PPC64_GOT_TPREL16_HA:
+ case R_PPC64_GOT_DTPREL16_HA:
+ case R_PPC64_GOT16_HA:
+ case R_PPC64_TOC16_HA:
+ insn_check = check_ha;
+ break;
- if (insn_check != no_check)
- {
- bfd_vma off = rel->r_offset & ~3;
- unsigned char buf[4];
- unsigned int insn;
+ case R_PPC64_GOT_TLSLD16_LO:
+ case R_PPC64_GOT_TLSGD16_LO:
+ case R_PPC64_GOT_TPREL16_LO_DS:
+ case R_PPC64_GOT_DTPREL16_LO_DS:
+ case R_PPC64_GOT16_LO:
+ case R_PPC64_GOT16_LO_DS:
+ case R_PPC64_TOC16_LO:
+ case R_PPC64_TOC16_LO_DS:
+ insn_check = check_lo;
+ break;
+ }
- if (!bfd_get_section_contents (ibfd, sec, buf, off, 4))
- {
- free (used);
- goto error_ret;
- }
- insn = bfd_get_32 (ibfd, buf);
- if (insn_check == check_lo
- ? !ok_lo_toc_insn (insn)
- : ((insn & ((0x3f << 26) | 0x1f << 16))
- != ((15u << 26) | (2 << 16)) /* addis rt,2,imm */))
- {
- char str[12];
+ if (insn_check != no_check)
+ {
+ bfd_vma off = rel->r_offset & ~3;
+ unsigned char buf[4];
+ unsigned int insn;
- ppc64_elf_tdata (ibfd)->unexpected_toc_insn = 1;
- sprintf (str, "%#08x", insn);
- info->callbacks->einfo
- (_("%P: %H: toc optimization is not supported for"
- " %s instruction.\n"),
- ibfd, sec, rel->r_offset & ~3, str);
- }
- }
+ if (!bfd_get_section_contents (ibfd, sec, buf, off, 4))
+ {
+ free (used);
+ goto error_ret;
+ }
+ insn = bfd_get_32 (ibfd, buf);
+ if (insn_check == check_lo
+ ? !ok_lo_toc_insn (insn)
+ : ((insn & ((0x3f << 26) | 0x1f << 16))
+ != ((15u << 26) | (2 << 16)) /* addis rt,2,imm */))
+ {
+ char str[12];
- switch (r_type)
- {
- case R_PPC64_TOC16:
- case R_PPC64_TOC16_LO:
- case R_PPC64_TOC16_HI:
- case R_PPC64_TOC16_HA:
- case R_PPC64_TOC16_DS:
- case R_PPC64_TOC16_LO_DS:
- /* In case we're taking addresses of toc entries. */
- case R_PPC64_ADDR64:
- break;
+ ppc64_elf_tdata (ibfd)->unexpected_toc_insn = 1;
+ sprintf (str, "%#08x", insn);
+ info->callbacks->einfo
+ (_("%P: %H: toc optimization is not supported for"
+ " %s instruction.\n"),
+ ibfd, sec, rel->r_offset & ~3, str);
+ }
+ }
- default:
- continue;
- }
+ switch (r_type)
+ {
+ case R_PPC64_TOC16:
+ case R_PPC64_TOC16_LO:
+ case R_PPC64_TOC16_HI:
+ case R_PPC64_TOC16_HA:
+ case R_PPC64_TOC16_DS:
+ case R_PPC64_TOC16_LO_DS:
+ /* In case we're taking addresses of toc entries. */
+ case R_PPC64_ADDR64:
+ break;
- r_symndx = ELF64_R_SYM (rel->r_info);
- if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
- r_symndx, ibfd))
- {
- free (used);
- goto error_ret;
- }
+ default:
+ continue;
+ }
- if (sym_sec != toc)
- continue;
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
+ r_symndx, ibfd))
+ {
+ free (used);
+ goto error_ret;
+ }
- if (h != NULL)
- val = h->root.u.def.value;
- else
- val = sym->st_value;
- val += rel->r_addend;
+ if (sym_sec != toc)
+ continue;
- if (val >= toc->size)
- continue;
+ if (h != NULL)
+ val = h->root.u.def.value;
+ else
+ val = sym->st_value;
+ val += rel->r_addend;
- if ((skip[val >> 3] & can_optimize) != 0)
- {
- bfd_vma off;
- unsigned char opc;
+ if (val >= toc->size)
+ continue;
- switch (r_type)
- {
- case R_PPC64_TOC16_HA:
- break;
+ if ((skip[val >> 3] & can_optimize) != 0)
+ {
+ bfd_vma off;
+ unsigned char opc;
- case R_PPC64_TOC16_LO_DS:
- off = rel->r_offset + (bfd_big_endian (ibfd) ? -2 : 3);
- if (!bfd_get_section_contents (ibfd, sec, &opc, off, 1))
- {
- free (used);
- goto error_ret;
- }
- if ((opc & (0x3f << 2)) == (58u << 2))
+ switch (r_type)
+ {
+ case R_PPC64_TOC16_HA:
break;
- /* Fall thru */
- default:
- /* Wrong sort of reloc, or not a ld. We may
- as well clear ref_from_discarded too. */
- skip[val >> 3] = 0;
- }
- }
+ case R_PPC64_TOC16_LO_DS:
+ off = rel->r_offset;
+ off += (bfd_big_endian (ibfd) ? -2 : 3);
+ if (!bfd_get_section_contents (ibfd, sec, &opc,
+ off, 1))
+ {
+ free (used);
+ goto error_ret;
+ }
+ if ((opc & (0x3f << 2)) == (58u << 2))
+ break;
+ /* Fall thru */
- /* For the toc section, we only mark as used if
- this entry itself isn't unused. */
- if (sec == toc
- && !used[val >> 3]
- && (used[rel->r_offset >> 3]
- || !(skip[rel->r_offset >> 3] & ref_from_discarded)))
- /* Do all the relocs again, to catch reference
- chains. */
- repeat = 1;
-
- used[val >> 3] = 1;
- }
+ default:
+ /* Wrong sort of reloc, or not a ld. We may
+ as well clear ref_from_discarded too. */
+ skip[val >> 3] = 0;
+ }
+ }
+
+ if (sec != toc)
+ used[val >> 3] = 1;
+ /* For the toc section, we only mark as used if this
+ entry itself isn't unused. */
+ else if ((used[rel->r_offset >> 3]
+ || !(skip[rel->r_offset >> 3] & ref_from_discarded))
+ && !used[val >> 3])
+ {
+ /* Do all the relocs again, to catch reference
+ chains. */
+ repeat = 1;
+ used[val >> 3] = 1;
+ }
+ }
+ }
while (repeat);
if (elf_section_data (sec)->relocs != relstart)
/* Set the contents of the .interp section to the interpreter. */
if (info->executable)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)
abort ();
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
{
if (isec->size == 0
&& isec->output_section->size == 0
+ && !(isec->output_section->flags & SEC_KEEP)
&& !bfd_section_removed_from_list (info->output_bfd,
isec->output_section)
&& elf_section_data (isec->output_section)->dynindx == 0)
}
}
htab->plt_thread_safe = plt_thread_safe;
+ htab->dot_toc_dot = ((struct ppc_link_hash_entry *)
+ elf_link_hash_lookup (&htab->elf, ".TOC.",
+ FALSE, FALSE, TRUE));
stubs_always_before_branch = group_size < 0;
if (group_size < 0)
stub_group_size = -group_size;
for (; rel < relend; rel++)
{
enum elf_ppc64_reloc_type r_type;
- bfd_vma addend, orig_addend;
+ bfd_vma addend;
bfd_reloc_status_type r;
Elf_Internal_Sym *sym;
asection *sec;
struct ppc_stub_hash_entry *stub_entry;
bfd_vma max_br_offset;
bfd_vma from;
+ const Elf_Internal_Rela orig_rel = *rel;
r_type = ELF64_R_TYPE (rel->r_info);
r_symndx = ELF64_R_SYM (rel->r_info);
sym_name = NULL;
unresolved_reloc = FALSE;
warned = FALSE;
- orig_addend = rel->r_addend;
if (r_symndx < symtab_hdr->sh_info)
{
unresolved_reloc, warned);
sym_name = h_elf->root.root.string;
sym_type = h_elf->type;
+ if (sec != NULL
+ && sec->owner == output_bfd
+ && strcmp (sec->name, ".opd") == 0)
+ {
+ /* This is a symbol defined in a linker script. All
+ such are defined in output sections, even those
+ defined by simple assignment from a symbol defined in
+ an input section. Transfer the symbol to an
+ appropriate input .opd section, so that a branch to
+ this symbol will be mapped to the location specified
+ by the opd entry. */
+ struct bfd_link_order *lo;
+ for (lo = sec->map_head.link_order; lo != NULL; lo = lo->next)
+ if (lo->type == bfd_indirect_link_order)
+ {
+ asection *isec = lo->u.indirect.section;
+ if (h_elf->root.u.def.value >= isec->output_offset
+ && h_elf->root.u.def.value < (isec->output_offset
+ + isec->size))
+ {
+ h_elf->root.u.def.value -= isec->output_offset;
+ h_elf->root.u.def.section = isec;
+ sec = isec;
+ break;
+ }
+ }
+ }
+ if (h_elf == &htab->dot_toc_dot->elf)
+ {
+ relocation = (TOCstart
+ + htab->stub_group[input_section->id].toc_off);
+ sec = bfd_abs_section_ptr;
+ unresolved_reloc = FALSE;
+ }
}
h = (struct ppc_link_hash_entry *) h_elf;
&& h->oh != NULL
&& h->oh->is_func_descriptor)
fdh = ppc_follow_link (h->oh);
- stub_entry = ppc_get_stub_entry (input_section, sec, fdh, rel, htab);
+ stub_entry = ppc_get_stub_entry (input_section, sec, fdh, &orig_rel,
+ htab);
if (stub_entry != NULL
&& (stub_entry->stub_type == ppc_stub_plt_call
|| stub_entry->stub_type == ppc_stub_plt_call_r2save
;
else
{
+ BFD_ASSERT (h->elf.dynindx != -1);
indx = h->elf.dynindx;
unresolved_reloc = FALSE;
}
}
for (; ent != NULL; ent = ent->next)
- if (ent->addend == orig_addend
+ if (ent->addend == orig_rel.r_addend
&& ent->owner == input_bfd
&& ent->tls_type == tls_type)
break;
{
struct plt_entry *ent;
for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next)
- if (ent->addend == orig_addend
+ if (ent->addend == orig_rel.r_addend
&& ent->plt.offset != (bfd_vma) -1)
{
relocation = (htab->plt->output_section->vma
else if (!SYMBOL_CALLS_LOCAL (info, &h->elf)
&& !is_opd
&& r_type != R_PPC64_TOC)
- outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+ {
+ BFD_ASSERT (h->elf.dynindx != -1);
+ outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+ }
else
{
/* This symbol is local, or marked to become local,
if (!((*info->callbacks->reloc_overflow)
(info, (h ? &h->elf.root : NULL), sym_name,
ppc64_elf_howto_table[r_type]->name,
- orig_addend, input_bfd, input_section, rel->r_offset)))
+ orig_rel.r_addend, input_bfd, input_section,
+ rel->r_offset)))
return FALSE;
}
else
return FALSE;
dynobj = htab->elf.dynobj;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (htab->elf.dynamic_sections_created)
{
projects / deliverable / binutils-gdb.git / blobdiff