(ppc64_elf_next_input_section): Use it here to set has_gp_reloc.
Return error condition.
(ppc64_elf_size_stubs): Restrict toc adjusting stubs to sections
that have has_gp_reloc set.
(struct ppc_link_hash_table): Add stub_count.
(ppc_build_one_stub): Increment it.
(ppc64_elf_link_hash_table_create): zmalloc rather than clearing
individual fields.
* elf64-ppc.h (ppc64_elf_next_input_section): Update prototype.
input_list.
(ppc64_elf_link_hash_table_create): Init input_list here.
(ppc64_elf_setup_section_lists): Remove code setting up input lists
per output section. Set toc_off for abs and other standard sections.
(ppc64_elf_reinit_toc): Don't set elf_gp on input bfds lacking a toc.
(ppc64_elf_next_input_section): Adjust for single input section list.
Don't set toc_curr from input bfds that haven't set elf_gp.
(group_sections): Adjust for single input section list.
tls, check that a TOC16_DS or TOC16_LO_DS reloc isn't pointing to a
dtprel entry. Ensure TLS_LD DTPMOD reloc has a zero addend. Write
got section for RELATIVE relocs. Fix wrong comment. Change condition
under which dynamic relocs update the section contents.
elf32-ppc.c. Add ELF_LINK_FORCED_LOCAL check.
* elf32-ppc.c: (SYMBOL_REFERENCES_LOCAL, SYMBOL_CALLS_LOCAL): Delete.
(allocate_dynrelocs): Use SYMBOL_REFERENCES_LOCAL for dynreloc check.
(ppc_elf_relocate_section): Likewise.
* elf64-ppc.c (allocate_dynrelocs): Likewise.
(ppc64_elf_relocate_section): Likewise. Use for .got relocs too.
(ppc64_elf_adjust_dynamic_symbol): Don't assume symbols with .plt
relocs need no other types.
* elf32-i386.c (allocate_dynrelocs): Use SYMBOL_REFERENCES_LOCAL for
dynreloc check.
(elf_i386_relocate_section): Likewise. Use for .got relocs too.
(elf_i386_finish_dynamic_symbol): Use SYMBOL_REFERENCES_LOCAL for
.got relocs.
non-default visibility, a) don't make them dynamic, b) discard
space for dynamic relocs.
* elf64-x86-64.c (allocate_dynrelocs): Likewise.
* elf32-ppc.c (allocate_dynrelocs): For undef weak syms with
non-default visibility, a) don't allocate plt entries, b) don't
allocate .got relocs, c) discard dyn rel space,
(ppc_elf_relocate_section): d) don't generate .got relocs, e)
don't generate dynamic relocs.
* elf64-ppc.c (allocate_dynrelocs): As above.
(ppc64_elf_relocate_section): As above.
weakdef sym has already been adjusted before treating it specially.
* elf32-i386.c (elf_i386_copy_indirect_symbol): Don't copy
ELF_LINK_NON_GOT_REF for weakdefs when symbol already adjusted.
* elf64-ppc.c (ppc64_elf_copy_indirect_symbol): Likewise.
(ppc64_elf_check_relocs): Set ELF_LINK_NON_GOT_REF.
zero index dynamic tls relocs generated for the GOT. Tidy code.
Set "relocation" to 1 on DTPMOD32 relocs. Optimize HA adjustment.
* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
* ld-powerpc/tlsso.r: Adjust for corrected zero symbol index relocs.
* ld-powerpc/tlsso32.r: Likewise.
(ppc_elf_adjust_dynamic_symbol): For weak symbols, copy
ELF_LINK_NON_GOT_REF from weakdef.
* elf64-ppc.c (ELIMINATE_COPY_RELOCS): Define as one.
(ppc64_elf_adjust_dynamic_symbol): For weak symbols, copy
ELF_LINK_NON_GOT_REF from weakdef.
* elf32-i386.c (ELIMINATE_COPY_RELOCS): Define as one. Use throughout.
(elf_i386_adjust_dynamic_symbol): For weak symbols, copy
ELF_LINK_NON_GOT_REF from weakdef.
error messages.
(ELIMINATE_COPY_RELOCS): Define to zero.
(ppc_elf_relocate_section): Don't deref htab->tls_sec when calculating
TLSLD relocs. Report reloc types on a number of errors. Optimize
LOCAL24PC check for non-local syms. Don't capitalize error messages.
* elf64-ppc.c (ELIMINATE_COPY_RELOCS): Define to zero.
(ppc64_elf_relocate_section): Don't deref htab->tls_sec when
calculating TLSLD relocs. Report reloc types on a number of errors.
Don't capitalize error messages.
(ppc64_elf_check_relocs): Use it. Correct comment. Move SEC_ALLOC
test.
(ppc64_elf_adjust_dynamic_symbol): Use ELIMINATE_COPY_RELOCS.
(WILL_CALL_FINISH_DYNAMIC_SYMBOL): Pass SHARED instead of INFO.
(allocate_dynrelocs): Adjust WILL_CALL_FINISH_DYNAMIC_SYMBOL uses,
and optimize. Use ELIMINATE_COPY_RELOCS.
(ppc64_elf_relocate_section): Likewise.
* elf64-ppc.c (ppc64_elf_tls_optimize): Decrement tlsld_got.refcount
on invalid LD relocs.
(allocate_dynrelocs): Invalid LD relocs don't use tlsld_got entry.
(ppc64_elf_relocate_section): Unify new handling of LD relocs and
tlsld_got entry. Use IS_PPC64_TLS_RELOC.
(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.
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.
* 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.
(R_PPC_*): Rename all occurrences to R_PPC64_*.
(R_PPC64_ADDR30): Rename all occurrences to R_PPC64_REL30.
(enum elf_ppc_reloc_type): Ditto to enum elf_ppc64_reloc_type.
(ppc64_elf_gc_sweep_hook): Handle R_PPC64_REL30 along with other
relative relocs, not with absolute ones.
* Makefile.am: Run "make dep-am".
* Makefile.in: Regenerate.
* po/SRC-POTFILES.in: Regenerate.
to DT_JMPREL. Use srelplt input section size for DT_PLTRELSZ and
DT_RELSZ adjustment, not output section. Avoid writing tags when
unchanged. Don't assume linker script is sane, adjust DT_REL too.
* elf32-hppa.c (elf32_hppa_finish_dynamic_sections): Just use raw
size of srelplt for DT_PLTRELSZ. Use srelplt input section size for
DT_RELASZ adjustment, not output section. Avoid writing tags when
unchanged. Adjust DT_RELA.
* elf64-ppc.c (ppc64_elf_finish_dynamic_sections): Tweaks for better
formatting. Avoid writing tags when unchanged. Adjust DT_RELA.
relocatable link too.
(elf_link_input_bfd): When emitting relocs, adjust offsets for
eh_frame and stab sections. Zap deleted relocs.
(elf_reloc_symbol_deleted_p): Return true for zero r_symndx.
(elf_bfd_discard_info): Run for relocatable link too.
* elf64-ppc.c (ppc64_elf_edit_opd): Rename from edit_opd. Make global.
Handle ld -r case.
(ppc64_elf_size_dynamic_sections): Don't call edit_opd from here.
* elf64-ppc.h (ppc64_elf_edit_opd): Declare.
Alan Modra
Jakub Jelinek
Nick Clifton