opd section sym when opd has been edited. Use correct addend
when determining branch 'y' bit and branch overflow. Adjust and
save opd relocs for ld -r too.
entry sym before deciding no stub is needed.
(ppc64_elf_size_stubs): When calculating branch destination,
don't use func desc sym for old ABI objects unless func entry
is undefined.
branch offset is in range with an error. Print full stub name on
errors.
(ppc_size_one_stub): Print full stub name on errors.
(group_sections): Warn if section size exceeds group size.
(ppc64_elf_size_stubs): Continue relaxing when stub types change.
of the usual sections are found.
* elf-m10300.c (_bfd_mn10300_elf_size_dynamic_sections): Tidy.
Strip .dynbss if it is zero size.
* elf32-arm.c (elf32_arm_size_dynamic_sections): Likewise.
* elf32-cris.c (elf_cris_size_dynamic_sections): Likewise.
* elf32-hppa.c (elf32_hppa_size_dynamic_sections): Likewise.
* elf32-i370.c (i370_elf_size_dynamic_sections): Likewise, and
.dynsbss.
(i370_elf_finish_dynamic_sections): Don't attempt to write .got
when it is zero size.
* elf32-i386.c (elf_i386_size_dynamic_sections): Correct handling
of .dynbss and zero size sections.
* elf32-m32r.c (m32r_elf_size_dynamic_sections): Strip .dynbss if
it is zero size.
* elf32-m68k.c (elf_m68k_size_dynamic_sections): Tidy. Strip
.dynbss if zero size.
* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise, .dynsbss
too.
* elf32-s390.c (elf_s390_size_dynamic_sections): Likewise.
* elf32-sh.c (sh_elf_size_dynamic_sections): Likewise.
* elf32-vax.c (elf_vax_size_dynamic_sections): Likewise.
* elf32-xtensa.c (elf_xtensa_size_dynamic_sections): Tidy. Strip
.plt.* and .got.plt.* if zero size.
* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Tidy. Strip
.got* and .dynbss if zero size.
* elf64-hppa.c (elf64_hppa_size_dynamic_sections): Tidy. Strip
* elf64-ppc.c (create_linkage_sections): Create branch lookup table
in .data.rel.ro.brlt or .rodata.brlt, and similarly for associated
reloc section.
(create_got_section): Always create new .got and .rela.got sections.
(ppc64_elf_size_dynamic_sections): Tidy. Strip .dynbss if zero size.
* elf64-s390.c (elf_s390_size_dynamic_sections): Likewise.
* elf64-sh64.c (sh64_elf64_size_dynamic_sections): Likewise.
* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Handle
dynamic bss sections correctly.
* elfxx-mips.c (_bfd_mips_elf_size_dynamic_sections): Tidy.
* elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Tidy. Strip
.dynbss if zero size.
* elf64-pcc.c (ppc64_elf_gc_mark_hook): For the local sym in .opd
case, include addend when indexing .opd section map.
(ppc64_elf_edit_opd): Add no_opd_opt param. Do nothing besides
clear opd_adjust array if no_opd_opt set. Tidy code.
* elf64-ppc.h (ppc64_elf_edit_opd): Update prototype.
ld/
* emultempl/ppc64elf.em (ppc_before_allocation): Always run
ppc64_elf_edit_opd.
(ppc64_elf_add_symbol_hook): Set has_dotsym.
(ppc64_elf_check_directives): Only process syms when has_dotsym.
(func_desc_adjust): Hide fake function descriptors when function
code entry is defined.
(adjust_opd_syms): Adjust for deleted_section becoming union field.
ppc64_elf_edit_toc, with additional code from ppc64_elf_edit_opd.
(ppc64_elf_edit_toc, ppc64_elf_edit_opd): Use it.
(ppc64_elf_tls_optimize): Likewise.
* elf64-ppc.c (ppc64_elf_edit_toc): Skip toc if size is zero.
Skip toc reloc adjust if reloc_count is zero.
ld/
* emultempl/ppc64elf.em (ppc_create_output_section_statements): Make
an error creating fake bfd fatal.
(ppc_before_allocation): Continue on after errors.
(gld${EMULATION_NAME}_finish): Likewise.
syms when doing a relocatable link.
(ppc64_elf_gc_mark_hook): Check that syms are defined before looking
at u.def.section.
(ppc64_elf_tls_setup): Likewise.
(ppc64_elf_edit_opd): Don't use an undefined func desc sym.
(link_hash_newfunc): Clear all locals using memset.
(make_fdh): Remove flags param. Always create fake func desc
weak. Link the descriptor with the code entry sym.
(ppc64_elf_archive_symbol_lookup): Don't return fake syms.
(add_symbol_adjust): Adjust make_fdh call.
(func_desc_adjust): Likewise. Twiddle any pre-existing fake
descriptor to strong undefined if code entry is strong.
* elf64-ppc.c (func_desc_adjust): Move code creating func desc sym to..
(make_fdh): ..here. New function. Don't set BSF_OBJECT for
undefined syms.
(struct add_symbol_adjust_data): New.
(add_symbol_adjust): Make an undefweak func desc for old ABI
objects to link with --as-needed shared libs. Return fail status.
Don't adjust old ABI func entry sym to weak if func desc syms
isn't defined.
(ppc64_elf_check_directives): Adjust call to add_symbol_adjust,
and return status.
ld/testsuite/
* ld-powerpc/tlsso.r: Update.
* ld-powerpc/tlstocso.r: Update.
(opd_entry_value): Use opd_relocs if available.
(ppc64_elf_relocate_section): Don't set reloc_done. Instead
copy .opd relocations to opd_relocs.
(ppc64_elf_edit_toc): Set rel_hdr.sh_size after editing relocs.
(is_ppc64_elf_target): Rename from is_ppc64_target. Update all
callers.
(ppc_stub_name): Remove trailing "+0" on stub name.
(create_linkage_sections): Create relocations for
branch lookup table when --emit-relocs as well as when --shared.
(ppc_build_one_stub): Emit relocs for long branch stubs. Adjust
relbrlt test. For --emit-stub-syms, always output a sym even when
one already exists on a plt call stub. Put stub type in the stub
symbol name.
(ppc_size_one_stub): Size long branch stub relocs. Adjust relbrlt
test.
(ppc64_elf_size_stubs): Count global sym stubs added. Zero
reloc_count in stub sections. Adjust relbrlt test.
(ppc64_elf_build_stubs): Adjust relbrlt test. Tweak stats output.
* elflink.c (bfd_elf_size_dynamic_sections): Fix comment typo.
(elf_link_input_bfd): Ignore symbol index zero relocs when checking
for relocs against discarded symbols. Fix comments.
(ppc64_elf_check_directives): ..here.
(ppc64_elf_size_dynamic_sections): Use it here to check bfd type
before accessing ppc64_elf_tdata.
(ppc64_elf_finish_dynamic_sections): And here too.
* bfd.c (bfd_get_synthetic_symtab): Pass counts and both symbol tables.
* elf-bfd.h (_bfd_elf_get_synthetic_symtab): Adjust.
* elf.c (_bfd_elf_get_synthetic_symtab): Adjust.
* libbfd-in.h (_bfd_nodynamic_get_synthetic_symtab): Adjust.
* targets.c (struct bfd_target <_bfd_get_synthetic_symtab>): Adjust.
* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Don't read symbols.
Use both symbol tables on non-relocatable objects. Use a common
error exit. Fix "mid" warning.
* libbfd.h: Regenerate.
* bfd-in2.h: Regenerate.
binutils/
* objdump.c (dump_bfd): Pass both symbol tables to
bfd_get_synthetic_symtab.
object file.
(struct sfpr_def_parms): Save some space.
(sfpr_define): Here too.
* elf64-ppc.c (compare_symbols): Put section syms first.
(sym_exists_at): New function.
(ppc64_elf_get_synthetic_symtab): Use relocs to find code entry
points only for relocatable files. Use .opd section contents
otherwise. Generally clean up the code.
LI_R12_0, STVX_VR0_R12_R0, LVX_VR0_R12_R0, MTLR_R0, SFPR_MAX): Define.
(struct sfpr_def_parms): New.
(sfpr_define): New function.
(savegpr0, savegpr0_tail, restgpr0, restgpr0_tail): New functions.
(savegpr1, savegpr1_tail, restgpr1, restgpr1_tail): New functions.
(savefpr, savefpr0_tail, restfpr, restfpr0_tail): New functions.
(savefpr1_tail, restfpr1_tail): New functions.
(savevr, savevr_tail, restvr, restvr_tail): New functions.
(MIN_SAVE_FPR, MAX_SAVE_FPR): Don't define.
(ppc64_elf_func_desc_adjust): Use sfpr_define in place of existing
code. Define all ABI mandated _save and _rest functions.
* elfxx-target.h (bfd_elfNN_get_synthetic_symtab): Only define
if not yet defined.
* elf64-ppc.c (bfd_elf64_get_synthetic_symtab): Define.
(synthetic_opd, synthetic_relocatable): New variables.
(compare_symbols, compare_relocs): New helper routines.
(ppc64_elf_get_synthetic_symtab): New function.
* bfd.c (bfd_get_synthetic_symtab): Rename dynsyms argument
to relsyms.
* bfd-in2.h: Regenerated.
* elf.c (_bfd_elf_get_synthetic_symtab): Rename dynsyms argument
to relsyms. Return 0 if abfd is relocatable.
binutils/
* objdump.c (dump_bfd): For relocatable objects, pass syms instead
of dynsyms to bfd_get_synthetic_symtab.
(ppc64_elf_add_symbol_hook): Test for NULL section.
(get_sym_h): Formatting.
(ppc64_elf_size_stubs): Include reloc addend in value stored as
stub target_value.
* elf-bfd.h (_bfd_elf_gc_mark): Declare.
* elflink.c (elf_link_input_bfd): Formatting.
(_bfd_elf_gc_mark): Rename from elf_gc_mark and make global. Adjust
all callers.
* elf64-ppc.c (struct ppc_link_hash_entry): Remove is_entry.
(link_hash_newfunc): Don't set it.
(ppc64_elf_copy_indirect_symbol): Nor copy it.
(ppc64_elf_mark_entry_syms): Delete.
(ppc64_elf_gc_mark_hook): Mark entry syms here. Also mark opd
sections. Use get_opd_info.
* elf64-ppc.h (ppc64_elf_mark_entry_syms): Delete.
ld/
* emultempl/ppc64elf.em (ppc_after_open): Delete.
(LDEMUL_AFTER_OPEN): Don't define.
(func_desc_adjust): Don't set have_undefweak.
(ppc64_elf_func_desc_adjust): Don't add an extr nop to sfpr.
(ppc64_elf_relocate_section): NOP out calls to undefweak functions.
(adjust_opd_syms): Use get_opd_info. Define removed symbols as zero.
(ppc64_elf_edit_opd): Use get_opd_info. Check that sym has a dot
before calling get_fdh. Test fdh rather than h before dereferencing
fdh. Mark removed symbols in opd_adjust.
(ppc64_elf_tls_optimize): Don't bother with opd adjustment here.
(ppc64_elf_relocate_section): Use get_opd_info, and handle removed
opd symbols.
(ppc64_elf_output_symbol_hook): Likewise.