(ppc64_elf_copy_indirect_symbol): Merge tls_mask too.
(ppc64_elf_gc_sweep_hook): Simplify removal of dyn_relocs.
(allocate_dynrelocs): Don't treat undefined and undefweak specially.
(ppc_size_one_stub): Fix warning, and tighten plt entry check.
(group_sections): Don't share a stub section if stubs are for a large
section. Adjust comment.
(ppc64_elf_size_stubs): Roughly double the size left for stubs if
!stubs_always_before_branch.
(ppc64_elf_relocate_section): Initialize tlsld GOT entry once. Don't
treat undefined and undefweak specially when processing dyn relocs.
(elf_sh_link_hash_entry): Remove tls_tpoff32 field.
(sh_elf_link_hash_newfunc): Remove the initialization of
tls_tpoff32 field.
(allocate_dynrelocs): Keep dyn_relocs if it includes the entry
for which tls_tpoff32 flag is set.
(sh_elf_relocate_section): Covert to LE only if the dyn_relocs
of the symbol includes the entry matched with the input_section
and having tls_tpoff32 flag on. When linking statically, set
symbol index of R_SH_TLS_TPOFF32 relocation to zero if the symbol
is defined in this executable.
(sh_elf_check_relocs): Set tls_tpoff32 flag appropriately.
variables, structure fields or function params to tls_mask or
similar to better reflect usage.
(struct got_entry): Comment.
(struct ppc_link_hash_entry): Expand comment, and renumber TLS_*.
(get_tls_mask): Rename from get_tls_type.
(TLS_GD): ..define this instead and update all uses.
(TLS_TPRELGD): Define.
(ppc64_elf_link_hash_table_create): Tweak initialization of
init_refcount and init_offset.
(ppc64_elf_check_relocs): Add one extra element to t_symndx array.
Mark second slot of GD or LD toc entries.
(get_tls_type): Return an int. Distinguish toc GD and LD entries
from other tls types.
(ppc64_elf_tls_setup): New function, split out from..
(ppc64_elf_tls_optimize): ..here. Don't optimize when symbols are
defined in a dynamic object. Fix LD optimization. Don't set TLS_TPREL
on GD->IE optimization, use TLS_TPRELGD instead. Use get_tls_type
return value to properly decide whether toc GD and LD entries can
optimize away __tls_get_addr call. Check next reloc after DTPMOD64
to determine GD or LD rather than looking at TLS_LD flag. Don't
attempt to adjust got entry tls_type here..
(allocate_dynrelocs): ..instead, adjust got entry tls_type here, and
look for possible merges.
(ppc64_elf_size_dynamic_sections): Adjust local got entries for
optimization.
(ppc64_elf_size_stubs): Tweak __tls_get_addr fudge.
(ppc64_elf_relocate_section): Rename some vars to better reflect usage.
Make use of return value from get_tls_type to properly detect GD and
LD optimizations. Split tlsld/gd hi/ha from lo/ds case. Don't
handle tls_get_addr removal when looking at REL24 relocs, do it when
looking at the previous reloc. Check reloc after DTPMOD64 to determine
GD or LD.
* elf64-ppc.h (ppc64_elf_tls_setup): Declare.
(read_value): Add parameter is_signed, use signed extraction if
the value is signed.
(_bfd_elf_write_section_eh_frame): Pass signed flag of the
encoding to read_value.
* libbfd.h: Regenerate.
* bfd-in2.h: Regenerate.
* elf64-ppc.c (TP_OFFSET, DTP_OFFSET): Declare.
(ppc64_elf_howto_raw): Add TLS howto's. Adjust R_PPC64_NONE to be
against a 32 bit field.
(ppc64_elf_reloc_type_lookup): Handle TLS relocs.
(_ppc64_elf_section_data): Add t_symndx and comments.
(ppc64_elf_section_data): Use elf_section_data macro.
(ppc64_elf_new_section_hook): American spelling.
(struct got_entry, struct plt_entry): New.
(MUST_BE_DYN_RELOC): Rename from IS_ABSOLUTE_RELOC.
(struct ppc_stub_hash_entry): Add "addend" field.
(struct ppc_link_hash_entry): Add "tls_type".
(TLS_TLS, TLS_GD_LD, TLS_LD, TLS_TPREL, TLS_DTPREL,
TLS_EXPLICIT): Define.
(struct ppc_link_hash_table): Add tls_sec, tls_get_addr, tlsld_got.
(link_hash_newfunc): Init new fields.
(ppc64_elf_link_hash_table_create): Likewise. Set init_relcount and
init_offset to NULL.
(ppc64_elf_copy_indirect_symbol): Copy got and plt info. Don't call
_bfd_elf_link_hash_copy_indirect, rather insert relevant code from
there.
(update_local_sym_info, update_plt_info): New functions.
(ppc64_elf_check_relocs): Use them. Handle TLS relocs. Adjust GOT
handling to use got.glist rather than got.refcount. Likewise for PLT.
(ppc64_elf_gc_sweep_hook): Handle TLS relocs, new GOT and PLT lists.
(func_desc_adjust): Adjust for new PLT list.
(ppc64_elf_adjust_dynamic_symbol): Likewise.
(get_sym_h, get_tls_type): New functions.
(ppc64_elf_edit_opd): Remove unused variable. Use get_sym_h.
(ppc64_elf_tls_optimize): New function.
(allocate_dynrelocs): Adjust for new PLT and GOT lists. Allocate
TLS relocs.
(ppc64_elf_size_dynamic_sections): Likewise.
(ppc_type_of_stub): Adjust for new PLT list.
(ppc_build_one_stub): Likewise.
(ppc64_elf_size_stubs): Likewise. Use get_sym_h. Treat __tls_get_addr
calls specially.
(ppc64_elf_relocate_section): Adjust for new GOT and PLT lists. Handle
TLS relocs. Report local syms using bfd_elf_local_sym_name. Don't
init GOT entries that have a reloc. Generate GOT relocs here..
(ppc64_elf_finish_dynamic_symbol): ..not here. Adjust for PLT list.
* elf64-ppc.h (ppc64_elf_tls_optimize): Declare.
(elf_m68k_link_hash_traverse): Remove.
(elf_m68k_link_hash_newfunc): Use struct bfd_hash_entry and
elf_m68k_hash_entry instead of struct elf_m68k_link_hash_entry to
reduce casting.
(elf_m68k_check_relocs): Use elf_m68k_hash_entry instead of
casting.
(elf_m68k_size_dynamic_sections): Use elf_link_hash_traverse
instead of elf_m68k_link_hash_traverse.
(elf_m68k_discard_copies): Change first parameter to pointer to
struct elf_link_hash_entry and use elf_m68k_hash_entry when struct
elf_m68k_link_hash_entry is needed.
(struct elf_link_hash_entry): Add "glist" and "plist" fields to
"got" union, and declare as gotplt_union. Use gotplt_uinion for
"plt" field.
(struct elf_link_hash_table): Make "init_refcount" a gotplt_union.
Add "init_offset" field.
(struct elf_obj_tdata <local_got>): Add "struct got_entry **" to union.
(elf_local_got_ents): Declare.
* elf.c (_bfd_elf_link_hash_newfunc): Adjust initialization of "got"
and "plt".
(_bfd_elf_link_hash_hide_symbol): Use "init_offset".
(_bfd_elf_link_hash_table_init): Set "init_offset".
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Set init_refcount
from init_offset.
(elf_adjust_dynamic_symbol): Set plt and got offsets using init_offset.
* elf.c (bfd_elf_local_sym_name): Split out from..
(group_signature): ..here.
* elf-bfd.h (bfd_elf_local_sym_name): Declare.
(struct mips_got_entry): Make symndx and gotidx signed. Moved
addend into union along with address and link hash entry.
(struct mips_got_info): Added bfd2got and next.
(struct mips_elf_hash_sort_data): Added max_unref_got_dynindx.
(mips_elf_got_section, mips_elf_create_got_section): Use
SEC_EXCLUDE bit to tell whether we really need the got
section. Take boolean arguments to disregard an excluded
section, or to create it as excluded. Adjust all callers.
Use mips_elf_got_section all over.
(mips_elf_local_got_index, mips_elf_got_page,
mips_elf_got16_entry): Take input bfd as argument, and pass it
on to mips_elf_create_local_got_entry.
(mips_elf_global_got_index, mips_elf_create_local_got_entry):
Take input bfd as argument, and manage entries in the
appropriate GOT.
(mips_elf_got_offset_from_index): Take input bfd as argument,
and use it to adjust the GP offset of the bfd.
(mips_elf_sort_hash_table, mips_elf_sort_hash_table_f): Move
unreferenced GOT entries of global symbols to the end.
(mips_elf_record_global_got_symbol): Take input bfd as
argument. Add entries to the master GOT hash table.
(struct mips_elf_bfd2got_hash): New.
(struct mips_elf_got_per_bfd_arg): New.
(struct mips_elf_set_global_got_offset_arg): New.
(mips_elf_hash_bfd_vma, mips_elf_multi_got_entry_hash,
mips_elf_multi_got_entry_eq, mips_elf_bfd2got_entry_hash,
mips_elf_bfd2got_entry_eq, mips_elf_make_got_per_bfd,
mips_elf_merge_gots, mips_elf_set_global_got_offset,
mips_elf_resolve_final_got_entry,
mips_elf_resolve_final_got_entries, mips_elf_adjust_gp,
mips_elf_got_for_ibfd): New functions.
(ELF_MIPS_GP_OFFSET): Don't depend on SGI_COMPAT.
(MIPS_ELF_GOT_MAX_SIZE): New macro.
(STUB_LW): Generate 64-bit stub regardless of SGI_COMPAT.
(mips_elf_got_entry_hash): Take new fields into account. Use
mips_elf_hash_bfd_vma.
(mips_elf_got_entry_eq): Take new fields into account.
(mips_elf_create_got_section): Initialize new fields.
(mips_elf_calculate_relocation): Pass input_bfd to functions
that now take it. Adjust gp for the input_bfd.
(mips_elf_allocate_dynamic_relocation,
mips_elf_create_dynamic_relocation,
_bfd_mips_elf_create_dynamic_sections): Use...
(mips_elf_rel_dyn_section): New function. Borrow code from...
(_bfd_mips_elf_check_relocs): Pass input_bfd to functions that
now take it. Create the got section if needed, even if
excluded, before recording a global got symbol. Move some
code to...
(mips_elf_record_local_got_symbol): New fn.
(_bfd_mips_elf_size_dynamic_sections): Disable combreloc.
Compute multi-got global entries offsets. Move GOT code to...
(_bfd_mips_elf_always_size_sections): Call mips_elf_multi_got
if the GOT is too big.
(_bfd_mips_elf_finish_dynamic_symbol): Set got entry of
undefweak symbol to zero. Generate dynamic relocations for
non-primary GOT entries for global symbols.
(_bfd_mips_elf_finish_dynamic_sections): Handle multi-got
case. Generate dynamic relocations for local got entries.
Sort dynamic relocations on N64 too, using...
(sort_dynamic_relocs_64): New fns.
(_bfd_mips_elf_hide_symbol): Adjust multi-got counters.
(_bfd_mips_elf_merge_private_bfd_data): Ignore EF_MIPS_XGOT.
Alan Modra
Nick Clifton
Jakub Jelinek
Kaz Kojima
Andreas Schwab
Alexandre Oliva