Age | Commit message (Collapse) | Author | Files | Lines |
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* emulparams/hppa64linux.sh (LARGE_SECTIONS): Renamed to ...
(OTHER_BSS_SECTIONS): This.
* scripttempl/elf.sc (OTHER_BSS_SECTIONS): Support LARGE_SECTIONS.
(LARGE_SECTIONS): Move .lbss sections to OTHER_BSS_SECTIONS.
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(INITIAL_READONLY_SECTIONS): ..here.
* emulparams/criself.sh (INITIAL_READONLY_SECTIONS): Include .interp.
* emulparams/elf32bmip.sh (INITIAL_READONLY_SECTIONS): Ditto.
* emulparams/elf32bmipn32-defs.sh (INITIAL_READONLY_SECTIONS): Ditto.
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PR ld/3249
* scripttempl/elf.sc: Don't combine .gnu.linkonce.d.*personality*
and .gnu.linkonce.wi.* sections with .data and .debug_info for
relocatable link.
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not match random object files in a path containing "crtbegin" or
"crtend" as part of a directory name.
* scripttempl/armbpabi.sc: Likewise.
* scripttempl/crisaout.sc: Likewise.
* scripttempl/elf32crx.sc: Likewise.
* scripttempl/elf32sh-symbian.sc: Likewise.
* scripttempl/elf_chaos.sc: Likewise.
* scripttempl/elfd10v.sc: Likewise.
* scripttempl/elfd30v.sc: Likewise.
* scripttempl/elfxtensa.sc: Likewise.
* scripttempl/iq2000.sc: Likewise.
* scripttempl/mmo.sc: Likewise.
* scripttempl/xstormy16.sc: Likewise.
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Mike Frysinger <michael.frysing@analog.com>
* scripttempl/elf.sc (USER_LABEL_PREFIX): Define.
(__preinit_array_start, __preinit_array_end, __init_array_start,
__init_array_end, __fini_array_start, __fini_array_end, edata, end):
Use ${USER_LABEL_PREFIX}.
* emulparams/bfin.sh (DATA_END_SYMBOLS,END_SYMBOLS): Unset.
(USER_LABEL_PREFIX): Set.
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* bfdlink.h (struct bfd_link_info): Add emit_hash and
emit_gnu_hash bitfields.
include/elf/
* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
ld/
* scripttempl/elf.sc: Add .gnu.hash section.
* emultempl/elf32.em (OPTION_HASH_STYLE): Define.
(gld${EMULATION_NAME}_add_options): Register --hash-style option.
(gld${EMULATION_NAME}_handle_option): Handle it.
(gld${EMULATION_NAME}_list_options): Document it.
* ldmain.c (main): Initialize emit_hash and emit_gnu_hash.
* ld.texinfo: Document --hash-style option.
bfd/
* elf.c (_bfd_elf_print_private_bfd_data): Handle DT_GNU_HASH.
(bfd_section_from_shdr, elf_fake_sections, assign_section_numbers):
Handle SHT_GNU_HASH.
(special_sections_g): Include .gnu.hash section.
(bfd_elf_gnu_hash): New function.
* elf-bfd.h (bfd_elf_gnu_hash, _bfd_elf_hash_symbol): New prototypes.
(struct elf_backend_data): Add elf_hash_symbol method.
* elflink.c (_bfd_elf_link_create_dynamic_sections): Create .hash
only if info->emit_hash, create .gnu.hash section if
info->emit_gnu_hash.
(struct collect_gnu_hash_codes): New type.
(elf_collect_gnu_hash_codes, elf_renumber_gnu_hash_syms,
_bfd_elf_hash_symbol): New functions.
(compute_bucket_count): Don't compute HASHCODES array, instead add
that and NSYMS as arguments. Use bed->s->sizeof_hash_entry
instead of bed->s->arch_size / 8. Fix .hash size estimation.
When not optimizing, use the number of hashed symbols rather than
dynsymcount.
(bfd_elf_size_dynamic_sections): Only add DT_HASH if info->emit_hash,
and ADD DT_GNU_HASH if info->emit_gnu_hash.
(bfd_elf_size_dynsym_hash_dynstr): Size .hash only if info->emit_hash,
adjust compute_bucket_count caller. Create and populate .gnu.hash
section if info->emit_gnu_hash.
(elf_link_output_extsym): Only populate .hash section if
finfo->hash_sec != NULL.
(bfd_elf_final_link): Adjust assertion. Handle DT_GNU_HASH.
* elfxx-target.h (elf_backend_hash_symbol): Define if not yet defined.
(elfNN_bed): Add elf_backend_hash_symbol.
* elf64-x86-64.c (elf64_x86_64_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
* elf32-i386.c (elf_i386_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
binutils/
* readelf.c (get_dynamic_type): Handle DT_GNU_HASH.
(get_section_type_name): Handle SHT_GNU_HASH.
(dynamic_info_DT_GNU_HASH): New variable.
(process_dynamic_section): Handle DT_GNU_HASH.
(process_symbol_table): Print also DT_GNU_HASH histogram.
ld/testsuite/
* ld-powerpc/tlsso32.r: Adjust.
* ld-powerpc/tlsso32.d: Adjust.
* ld-powerpc/tlsso32.g: Adjust.
* ld-powerpc/tlsso.r: Adjust.
* ld-powerpc/tlsso.g: Adjust.
* ld-powerpc/tlstocso.g: Adjust.
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And add a prefix '_' to ENTRY.
* scripttempl/elf.sc: Add END_SYMBOLS.
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.data.rel.ro output section. Fix a pasto for -z nocombreloc
.rela.data.rel.ro section content.
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* scripttempl/elf.sc: Ditto.
* scripttempl/elf32sh-symbian.sc: Ditto.
* scripttempl/elf_chaos.sc: Ditto.
* scripttempl/elfd10v.sc: Ditto.
* scripttempl/elfd30v.sc: Ditto.
* scripttempl/elfxtensa.sc: Ditto.
* scripttempl/iq2000.sc: Ditto.
* scripttempl/xstormy16.sc: Ditto.
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* scripttempl/elf.sc: Add .init_array.* and .fini_array.*.
* scripttempl/armbpabi.sc: Make init/fini array consistent with
elf.sc.
* scripttempl/elf32sh-symbian.sc: Ditto.
* scripttempl/elfxtensa.sc: Ditto.
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2005-08-05 H.J. Lu <hongjiu.lu@intel.com>
* bfd.c (bfd_hide_symbol): New.
* bfd-in2.h: Regenerated.
ld/
2005-08-05 H.J. Lu <hongjiu.lu@intel.com>
* ld.texinfo: Document PROVIDE_HIDDEN.
* ldexp.c (exp_fold_tree_1): Hide a provided symbol if asked.
(exp_provide): Add and set hidden.
* ldexp.h (etree_type): Add hidden to assign.
* ldgram.y (PROVIDE_HIDDEN): New.
* ldlex.l (PROVIDE_HIDDEN): Likewise.
* scripttempl/elf.sc: Use PROVIDE_HIDDEN on array bound
symbols.
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* scripttempl/elf.sc (REL_LARGE, LARGE_SECTIONS): Define here.
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OTHER_END_SYMBOLS.
* emulparams/armelf_linux.sh: Likewise.
* emulparams/armnto.sh: Likewise.
* emulparams/criself.sh: Likewise.
* emulparams/elf32mcore.sh: Likewise.
* emulparams/criself.sh (OTHER_SYMBOLS): Define.
* emulparams/crislinux.sh (OTHER_SYMBOLS): Define.
(OTHER_END_SYMBOLS): Don't define.
* emulparams/elf32fr30.sh: Likewise.
* emulparams/elf64mmix.sh: Likewise.
* emulparams/hppa64linux.sh: Likewise.
* emulparams/m32relf.sh: Likewise.
* emulparams/vxworks.sh: Likewise.
* scripttempl/armbpabi.sc (OTHER_BSS_SECTIONS): Delete.
(OTHER_BSS_END_SYMBOLS): Add.
(OTHER_END_SYMBOLS): Move before current end sym definitions.
(OTHER_SYMBOLS): Replace OTHER_END_SYMBOLS near end of script.
* scripttempl/elf.sc: Likewise.
* scripttempl/elf32sh-symbian.sc: Likewise.
* scripttempl/elf_chaos.sc: Likewise.
* scripttempl/elfxtensa.sc: Likewise.
* scripttempl/iq2000.sc: Likewise.
* scripttempl/xstormy16.sc: Likewise.
* scripttempl/elf.sc (LBSS, LARGE_SECTIONS): Delete.
(REL_LDATA, REL_LBSS, REL_LRODATA): Delete.
(REL_LARGE, LARGE_SECTIONS): Add.
* emulparams/elf_x86_64.sh (LARGE_SECTIONS): Define as script text.
(REL_LARGE): Define.
* emulparams/hppa64linux.sh (OTHER_BSS_SECTIONS): Don't define.
(LARGE_SECTIONS): Define.
* emulparams/hppa64linux.sh (OTHER_BSS_SECTIONS): Don't define.
(LARGE_SECTIONS): Define.
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* elf32-ppc.c (struct elf_linker_section): Replace sym_val field
with sym.
(ppc_elf_relocate_section): Adjust for above.
(create_sdata_sym): New function.
(ppc_elf_create_linker_section): Call it.
(ppc_elf_check_relocs): Correct has_sda_refs and non_got_refs.
Create sdata syms for all SDA relocs.
(ppc_elf_adjust_dynamic_symbol): Don't special case _SDA_BASE_
and _SDA2_BASE_.
(ppc_elf_set_sdata_syms): Delete.
* elflink.c (bfd_elf_size_dynamic_sections): Don't create DT_INIT
and DT_FINI tags unless associated section has input.
(bfd_elf_set_symbol, _bfd_elf_provide_symbol): Delete.
(_bfd_elf_provide_section_bound_symbols): Delete.
* bfd-in.h (_bfd_elf_provide_symbol): Delete.
(_bfd_elf_provide_section_bound_symbols): Delete.
* bfd-in2.h: Regenerate.
ld/
* ldemul.c (ldemul_do_assignments, do_assignments_default): Delete.
* ldemul.h (ldemul_do_assignments, do_assignments_default): Delete.
(struct ld_emulation_xfer_struct): Remove do_assignments field.
* ldlang.c (lang_do_assignments): Don't call ldemul_do_assignments.
* emulparams/elf32ppc.sh (SDATA_START_SYMBOLS): New.
(SDATA2_START_SYMBOLS, SBSS_START_SYMBOLS, SBSS_END_SYMBOLS): New.
* emultempl/aix.em (ld_*_emulation): Delete do_assignments init.
* emultempl/armcoff.em: Likewise.
* emultempl/beos.em: Likewise.
* emultempl/generic.em: Likewise.
* emultempl/gld960.em: Likewise.
* emultempl/gld960c.em: Likewise.
* emultempl/linux.em: Likewise.
* emultempl/lnk960.em: Likewise.
* emultempl/m68kcoff.em: Likewise.
* emultempl/pe.em: Likewise.
* emultempl/sunos.em: Likewise.
* emultempl/ticoff.em: Likewise.
* emultempl/vanilla.em: Likewise.
* emultempl/elf32.em: Likewise.
(gld*_provide_bound_symbols): Delete.
(gld*_provide_init_fini_syms): Delete.
(gld*_before_allocation): Don't call ldemul_do_assignments.
* emultempl/ppc32elf.em (ppc_do_assignments): Delete.
(LDEMUL_DO_ASSIGNMENTS): Delete.
* scripttempl/elf.sc: Provide init/fini syms. Add SBSS_START_SYMBOLS,
SBSS_END_SYMBOLS, SDATA2_START_SYMBOLS.
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* emulparams/armelf.sh (OTHER_END_SYMBOLS): Rename from..
(OTHER_BSS_END_SYMBOLS): ..this.
* emulparams/armelf_linux.sh: Likewise.
* emulparams/armnto.sh: Likewise.
* emulparams/criself.sh: Likewise.
* emulparams/crislinux.sh: Likewise.
* emulparams/elf32frv.sh: Likewise.
* emulparams/elf32mcore.sh: Likewise.
* emulparams/elf32ppc.sh: Likewise.
* emulparams/elf32ppclinux.sh: Likewise.
* emulparams/hppa64linux.sh: Likewise.
* scripttempl/armbpabi.sc: Substitute $OTHER_END_SYMBOLS, not
$OTHER_BSS_END_SYMBOLS.
* scripttempl/elf32sh-symbian.sc: Likewise.
* scripttempl/elf_chaos.sc: Likewise.
* scripttempl/iq2000.sc: Likewise.
* scripttempl/xstormy16.sc: Likewise.
* scripttempl/elf.sc: Likewise. Delete __bss_start comment.
* scripttempl/elfxtensa.sc: Likewise.
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2005-07-25 Jan Hubicka <jh@suse.cz>
H.J. Lu <hongjiu.lu@intel.com>
* elf-bfd.h (_bfd_elf_large_com_section): New.
* elf.c (_bfd_elf_large_com_section): New. Defined.
* elf64-x86-64.c (elf64_x86_64_add_symbol_hook): New.
(elf64_x86_64_elf_section_from_bfd_section): New.
(elf64_x86_64_symbol_processing): New.
(elf64_x86_64_common_definition): New.
(elf64_x86_64_common_section_index): New.
(elf64_x86_64_common_section): New.
(elf64_x86_64_merge_symbol): New.
(elf64_x86_64_additional_program_headers): New.
(elf64_x86_64_special_sections): New.
(elf_backend_section_from_bfd_section): New. Defined.
(elf_backend_add_symbol_hook): Likewise.
(elf_backend_common_section_index): Likewise.
(elf_backend_common_section): Likewise.
(elf_backend_common_definition): Likewise.
(elf_backend_merge_symbol): Likewise.
(elf_backend_special_sections): Likewise.
(elf_backend_additional_program_headers): Likewise.
binutils/
2005-07-25 H.J. Lu <hongjiu.lu@intel.com>
* readelf.c (dump_relocations): Handle SHN_X86_64_LCOMMON.
(get_symbol_index_type): Likewise.
(get_elf_section_flags): Handle SHF_X86_64_LARGE.
gas/
2005-07-25 Jan Hubicka <jh@suse.cz>
H.J. Lu <hongjiu.lu@intel.com>
* config/obj-elf.c: Include "elf/x86-64.h" if TC_I386 is
defined.
(elf_com_section_ptr): New.
(elf_begin): Set elf_com_section_ptr to bfd_com_section_ptr.
(elf_common_parse): Make it global. Use elf_com_section_ptr
instead of bfd_com_section_ptr.
(obj_elf_change_section): Handle x86-64 large bss sections.
* config/obj-elf.h (elf_com_section_ptr): New.
(elf_common_parse): New.
* config/tc-i386.c (handle_large_common): New.
(md_pseudo_table): Add "largecomm".
(x86_64_section_letter): New.
(x86_64_section_word): New.
* config/tc-i386.h (x86_64_section_word): New.
(x86_64_section_letter): New.
(md_elf_section_letter): New. Defined.
(md_elf_section_word): Likewise.
include/elf/
2005-07-25 Jan Hubicka <jh@suse.cz>
* x86-64.h (SHN_X86_64_LCOMMON): New.
(SHF_X86_64_LARGE): New.
ld/
2005-07-25 Jan Hubicka <jh@suse.cz>
H.J. Lu <hongjiu.lu@intel.com>
* emulparams/elf_x86_64.sh (LARGE_SECTIONS): New.
* scripttempl/elf.sc: Updated for large section support.
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empty section pruning.
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(TEXT_PLT): New.
* emultempl/alphaelf.em (disable_relaxation): New.
(limit_32bit): Rename from elf64alpha_32bit; update all users.
(elf64_alpha_use_secureplt): Declare.
(bfd_elf64_alpha_vec, bfd_elf64_alpha_freebsd_vec): Declare.
(alpha_after_open): New.
(alpha_before_allocation): New.
(OPTION_NO_RELAX, OPTION_SECUREPLT, OPTION_NO_SECUREPLT): New.
(PARSE_AND_LIST_LONGOPTS): Include them.
(PARSE_AND_LIST_OPTIONS): Likewise.
(PARSE_AND_LIST_ARGS_CASES): Likewise.
(LDEMUL_AFTER_OPEN, LDEMUL_BEFORE_ALLOCATION): New.
* scripttempl/elf.sc (TEXT_PLT): New.
(PLT): Use it.
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(sect_constraint): Handle SPECIAL.
* ldlang.c (lang_output_section_find_1): Don't match SPECIAL.
(map_input_to_output_sections): Likewise.
* ldlex.l (SPECIAL): Define.
* emulparams/elf32ppc.sh (DATA_GOT, SDATA_GOT, SEPARATE_GOTPLT,
GOT, PLT, GOTPLT): Define.
* emultempl/ppc32elf.em (old_plt, old_got): New static vars.
(ppc_after_open): New function.
(PARSE_AND_LIST_PROLOGUE): Define OPTION_OLD_LPT and OPTION_OLD_GOT.
(PARSE_AND_LIST_LONGOPTS): Add "bss-plt" and "sdata-got".
(PARSE_AND_LIST_OPTIONS): Document them.
(PARSE_AND_LIST_ARGS_CASES): Handle them.
(LDEMUL_AFTER_OPEN): Define.
* scripttempl/elf.sc (PLT): Don't override existing define.
(DATA_GOT, SDATA_GOT): Define and use to enable alternate got
placement rather than using NO_SMALL_DATA. Emit GOTPLT for RELRO_NOW.
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(DATA_SEGMENT_RELRO_END): Use SEPARATE_GOTPLT value.
(GOTPLT): Remove DATA_SEGMENT_RELRO_GOTPLT_END. Place after
DATA_SEGMENT_RELRO_END in script.
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2005-05-05 H.J. Lu <hongjiu.lu@intel.com>
* elflink.c (_bfd_elf_provide_section_bound_symbols): Use
"__bss_start" instead of "_edata" as fallback.
ld/
2005-05-05 H.J. Lu <hongjiu.lu@intel.com>
* scripttempl/elf.sc: Document the usage of __bss_start.
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bfd/
* config.bfd: Use bfd_elf32_i386_vxworks_vec for i?86-*-vxworks.
* configure.in: Add bfd_elf32_i386_vxworks_vec. i386 targets need
elf-vxworks.lo.
* configure: Regenerate.
* Makefile.am (BFD32_BACKENDS): Add elf-vxworks.lo.
(BFD32_BACKENDS_CFILES): Add elf-vxworks.c.
(elf32-i386.lo): Depend on elf-vxworks.h.
(elf-vxworks.lo): New rule.
* Makefile.in: Regenerate.
* elf-bfd.h (elf_backend_data): Update type of
elf_backend_emit_relocs.
(_bfd_elf_link_output_relocs): Update prototype.
* elflink.c (_bfd_elf_link_output_relocs): Always use
bed->elf_backend_emit_relocs when outputting relocations.
* elfxx-target.h (elf_backend_emit_relocs): Default to
_bfd_elf_link_output_relocs.
* targets.c (bfd_elf32_i386_vxworks_vec): Declare.
(_bfd_target_vector): Add bfd_elf32_i386_vxworks_vec.
* elf32-i386.c: Add elf32-i386-vxworks target BFD.
(elf_i386_plt0_entry): Remove padding.
(elf_i386_pic_plt0_entry): Ditto.
(PLTRESOLVE_RELOCS_SHLIB, PLTRESOLVE_RELOCS): Define.
(PLT_NON_JUMP_SLOT_RELOCS): Define.
(elf_i386_link_hash_table): Add srelplt2, hgot, hplt, is_vxworks and
plt0_pad_byte fields.
(elf_i386_link_hash_table_create): Zero them.
(elf_i386_create_dynamic_sections): Create static relocation section.
(allocate_dynrelocs): Allocate space for static PLT relocations.
(elf_i386_size_dynamic_sections): Save shortcuts to PLT and GOT
symbols. Give PLT symbols function type. Don't strip PLT sections
if we have exported symbols from them.
(elf_i386_finish_dynamic_symbol): Fill in VxWorks PLT static
relocation section. Don't mark _GLOBAL_OFFSET_TABLE_ as absolute on
VxWorks.
(elf_i386_finish_dynamic_sections): Allow different pad bytes.
Add relocation for GOT location. Fill in PLT static relocations.
(elf_i386_vxworks_link_hash_table_create): New function.
(elf_i386_vxworks_link_output_symbol_hook): New function.
* elf-vxworks.h: New file.
gas/
* config/tc-i386.h (ELF_TARGET_FORMAT): Define for TE_VXWORKS.
gas/testsuite/
* gas/i386/i386.exp: Don't run divide test on vxworks.
ld/
* Makefile.am: Add eelf_i386_vxworks.
* Makefile.in: Regenerate.
* configure.tgt: Make i?86-*-vxworks use targ_emul=elf_i386_vxworks.
* emulparams/elf_i386_vxworks.sh: New file.
* emulparams/vxworks.sh: New file.
* scripttempl/elf.sc: Add DATA_END_SYMBOLS and ETEXT_NAME.
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2005-03-22 H.J. Lu <hongjiu.lu@intel.com>
* bfd-in.h (_bfd_elf_provide_symbol): New.
* bfd-in2.h: Regenerated.
* elf32-ppc.c (set_linker_sym): Moved to elflink.c.
(ppc_elf_set_sdata_syms): Call _bfd_elf_provide_symbol instead
of set_linker_sym.
* elflink.c (_bfd_elf_provide_symbol): New. Moved and renamed
from elf32-ppc.c.
ld/
2005-03-22 H.J. Lu <hongjiu.lu@intel.com>
* emultempl/elf32.em (gld${EMULATION_NAME}_provide_bound_symbols): New
(gld${EMULATION_NAME}_finish): Call
gld${EMULATION_NAME}_provide_bound_symbols to provide
__preinit_array_start, __preinit_array_end, __init_array_start,
__init_array_end, __fini_array_start and __fini_array_end.
* scripttempl/elf.sc: Don't provide __preinit_array_start,
__preinit_array_end, __init_array_start, __init_array_end,
__fini_array_start nor __fini_array_end.
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* elf32-ppc.c (ppc_elf_add_symbol_hook): Make htab->sbss
SEC_LINKER_CREATED. Attach to dynobj.
(ppc_elf_size_dynamic_sections): Strip htab->sbss if zero size.
ld/
* scripttempl/elf.sc (SBSS): Don't provide sbss start and end syms.
ld/testsuite/
* ld-powerpc/tlsexe32.r: Update.
* ld-powerpc/tlsso32.d: Update.
* ld-powerpc/tlsso32.g: Update.
* ld-powerpc/tlsso32.r: Update.
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input sections into .sdata and .sbss output respectively.
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* ldexp.h (segment_type): New type.
(segments): New variable.
* ldexp.c (segments): New variable.
(exp_print_token): Handle SEGMENT_START.
(fold_binary): Likewise.
* ldgram.y (SEGMENT_START): Declare it as a token.
(exp): Handle SEGMENT_START.
* ldlang.h (lang_address_statement_type): Add segment field.
(lang_section_start): Change prototype.
* ldlang.c (map_input_to_output_sections): Do not process section
assignments if a corresponding SEGMENT_START has already been
seen.
(lang_section_start): Add segment parameter.
* ldlex.l (SEGMENT_START): Add it.
* lexsup.c (seg_segment_start): New function.
(parse_args): Use it for -Tbss, -Tdata, and -Ttext.
* ld.texinfo (SEGMENT_START): Document it.
* emulparams/armsymbian.sh (EMBEDDED): Set it.
* scripttempl/armbpabi.sc: Use SEGMENT_START to control segment
base addresses. Do not map relocations.
* NEWS: Mention SEGMENT_START.
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PR 445
* emulparams/elf64_ia64.sh (SMALL_DATA_CTOR): Set.
(SMALL_DATA_DTOR): Set.
* emulparams/elf64_ia64_fbsd.sh (SMALL_DATA_CTOR): Unset.
(SMALL_DATA_DTOR): Unset.
* scripttempl/elf.sc: If SMALL_DATA_CTOR is set, move .ctors
after .data. If SMALL_DATA_DTOR is set, move .dtors after
.data.
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* scripttempl/elf.sc (DATA_SEGMENT_RELRO_END): Add 0 as first
argument.
(DATA_SEGMENT_RELRO_GOTPLT_END): Pass $SEPARATE_GOTPLT as first
and . as second argument.
(GOTPLT): Move $DATA_SEGMENT_RELRO_GOTPLT_END before the section.
* ldexp.c (fold_unary): Remove DATA_SEGMENT_RELRO_END handling here.
(fold_binary): Add it here. Insert padding to make relro_end
COMMONPAGESIZE bytes aligned. For DATA_SEGMENT_ALIGN in
exp_dataseg_relro_adjust phase just use previously computed
exp_data_seg.base.
* ldlang.c (lang_size_sections): Set exp_data_seg.base for
relro_adjust here. Call lang_size_sections_1 once more if there
was too big padding at DATA_SEGMENT_RELRO_END.
* ld.texinfo (DATA_SEGMENT_RELRO_END): Add documentation.
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.fini_array sections.
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* emulparams/hppalinux.sh: Likewise.
* scripttempl/elf.sc: Place .plt just before .got when .plt is in
data segment and PLT_BEFORE_GOT is defined.
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.gcc_except_table output sections lost accidentally with
-z relro patch.
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(ONLY_IF_RO, ONLY_IF_RW): New tokens.
(section): Add sect_constraint. Pass additional argument
to lang_enter_output_section_statement.
* mri.c (mri_draw_tree): Pass additional argument to
lang_enter_output_section_statement.
* emultempl/pe.em (place_orphan): Likewise.
(output_prev_sec_find): Disregard output section statements with
constraint == -1.
* emultempl/mmo.em (output_prev_sec_find): Likewise.
(mmo_place_orphan): Pass additional argument to
lang_enter_output_section_statement.
* emultempl/elf32.em (output_prev_sec_find): Disregard output section
statements with constraint == -1.
(place_orphan): Pass additional argument to
lang_enter_output_section_statement.
* ldlang.c (lang_enter_overlay_section): Likewise.
(lang_output_section_find_1): New.
(lang_output_section_find): Use it.
(lang_output_section_statement_lookup_1): New.
(lang_output_section_statement_lookup): Use it.
(check_section_callback, check_input_sections): New.
(map_input_to_output_sections): Check if all input sections
are readonly if ONLY_IF_RO or ONLY_IF_RW was seen.
(strip_excluded_output_sections): Disregard output section statements
with constraint == -1.
(lang_record_phdrs): Likewise.
(lang_enter_output_section_statement): Add constraint argument.
Use lang_output_section_statement_lookup_1.
* ldlang.h (lang_output_section_statement_type): Add constraint
and all_input_readonly fields.
(lang_enter_output_section_statement): Adjust prototype.
* ldlex.l (ONLY_IF_RO, ONLY_IF_RW): New tokens.
* scripttempl/elf.sc (.eh_frame, .gcc_except_table): Move into text
segment if all input sections are readonly.
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* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol
into .dynsym if elf_section_data (sec)->dynindx <= 0.
Adjust counting of last_local.
(_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections
other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt
created by the linker nor !SHF_ALLOC.
* elf32-i386.c (elf_i386_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section. Set sh_entsize for .got section in addition
to .got.plt.
(elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma.
* elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section.
(elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma. Set sh_entsize for .got section
in addition to .got.plt.
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Likewise.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Likewise.
* elflink.c (bfd_elf_size_dynamic_sections): Set
elf_tdata (output_bfd)->relro from info->relro.
* elf-bfd.h (struct elf_obj_tdata): Add relro field.
include/
* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
relro_end fields.
* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
(PT_GNU_RELRO): Define.
binutils/
* readelf.c (get_segment_type): Handle PT_GNU_RELRO.
ld/
* genscripts.sh: Generate -z combreloc -z now -z relro scripts
for binaries, -shared and -pie.
* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to...
(OTHER_RELRO_SECTIONS): ... this.
* ldlex.l (DATA_SEGMENT_RELRO_END): Add.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z relro and -z norelro.
(gld${EMULATION_NAME}_list_options): Add it to usage.
(gld${EMULATION_NAME}_get_script): Return -z combreloc -z now
-z relro scripts when appropriate.
* scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set.
Create separate .got.plt section if SEPARATE_GOTPLT.
Move sections which are only written during relocation handling
to the beginning of RW segment. If NO_SMALL_DATA, move .got
before .data. Add DATA_SEGMENT_RELRO_END directive.
Include OTHER_RELRO_SECTIONS.
* ldgram.y (DATA_SEGMENT_RELRO_END): Add.
* ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END.
(fold_unary): Likewise.
(fold_binary): Handle -z relro.
* ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and
exp_dataseg_relro_adjust phases. Add relro_end field.
* ldmain.c (main): Initialize link_info.relro to FALSE.
* ldlang.c (lang_size_sections): Handle -z relro.
ld/testsuite/
* ld-i386/tlspic.rd: Adjust for section reordering changes
and removal of unneeded STT_SECTION symbols from .dynsym.
* ld-i386/tlspic.dd: Likewise.
* ld-i386/tlspic.sd: Likewise.
* ld-i386/tlsbin.rd: Likewise.
* ld-i386/tlsbinpic.s: Likewise.
* ld-i386/tlsbin.dd: Likewise.
* ld-i386/tlsbin.sd: Likewise.
* ld-i386/tlsnopic.rd: Likewise.
* ld-i386/tlsnopic1.s: Likewise.
* ld-i386/combreloc.d: Likewise.
* ld-i386/tlsnopic.dd: Likewise.
* ld-i386/tlsnopic.sd: Likewise.
* ld-x86-64/tlspic.rd: Likewise.
* ld-x86-64/tlspic.dd: Likewise.
* ld-x86-64/tlsbin.dd: Likewise.
* ld-x86-64/tlspic.sd: Likewise.
* ld-x86-64/tlsbin.sd: Likewise.
* ld-x86-64/tlspic.td: Likewise.
* ld-x86-64/tlsbin.td: Likewise.
* ld-x86-64/tlsbin.rd: Likewise.
* ld-s390/tlspic1.s: Likewise.
* ld-s390/tlsbinpic.s: Likewise.
* ld-s390/tlspic.rd: Likewise.
* ld-s390/tlsbin.rd: Likewise.
* ld-s390/tlspic.dd: Likewise.
* ld-s390/tlsbin.dd: Likewise.
* ld-s390/tlsbin.sd: Likewise.
* ld-s390/tlsbin.td: Likewise.
* ld-s390/tlspic.sd: Likewise.
* ld-s390/tlspic.td: Likewise.
* ld-s390/tlspic1_64.s: Likewise.
* ld-s390/tlsbinpic_64.s: Likewise.
* ld-s390/tlspic_64.rd: Likewise.
* ld-s390/tlsbin_64.rd: Likewise.
* ld-s390/tlspic_64.dd: Likewise.
* ld-s390/tlsbin_64.dd: Likewise.
* ld-s390/tlspic_64.sd: Likewise.
* ld-s390/tlspic_64.td: Likewise.
* ld-s390/tlsbin_64.td: Likewise.
* ld-s390/tlsbin_64.sd: Likewise.
* ld-powerpc/tlsexe32.r: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.t: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-ia64/tlspic.rd: Likewise.
* ld-ia64/tlspic.dd: Likewise.
* ld-ia64/tlspic.sd: Likewise.
* ld-ia64/tlspic.td: Likewise.
* ld-ia64/tlsbin.rd: Likewise.
* ld-ia64/tlsbin.sd: Likewise.
* ld-ia64/tlsbin.td: Likewise.
* ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x.
* ld-shared/shared.exp: Likewise.
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(.data): Add KEEP for .gnu.linkonce.d.*personality*.
(.gcc_except_table): Add KEEP for self and accept .gcc_except_table.*.
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* scripttempl/elf.sc (__executable_start): Provide.
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(GOT): Define.
* emultempl/ppc64elf.em (stub_added): New static var.
(ppc_create_output_section_statements): Call ppc64_elf_init_stub_bfd.
(ppc_add_stub_section): Set stub_added.
(gld${EMULATION_NAME}_finish): Look for .got rather than .toc. Adjust
ppc64_elf_size_stubs call and test for stubs.
* scripttempl/elf.sc (GOT): Define and use.
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* elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add rel_fptr_sec.
(elfNN_ia64_dynamic_symbol_p): Change info->shared into
!info->executable.
(get_fptr): For -pie create .opd as writable section and create
.rela.opd as well.
(elfNN_ia64_check_relocs): Change info->shared into
!info->executable.
(allocate_fptr): Likewise.
(allocate_dynrel_entries): Account for a relative reloc for -pie
@fptr(). Don't account for a relative reloc if -pie want_ltoff_fptr
for undefweak symbol. Account for an IPLT reloc in .rela.opd
section if -pie.
(set_got_entry): Don't create a relative reloc if -pie
want_ltoff_fptr for undefweak symbol.
(set_fptr_entry): Emit an IPLT reloc in .rela.opd for -pie.
(elfNN_ia64_relocate_section): Emit a relative reloc for -pie
@fptr().
* elfxx-ia64.c (elfNN_ia64_relocate_section): Issue undefined_symbol
even if -pie.
* elf32-i386.c (elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
* elf64-s390.c (elf_s390_relocate_section): Likewise.
* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
* elf32-s390.c (elf_s390_relocate_section): Likewise.
* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
ld/
* emulparams/elf64_ia64.sh (OTHER_READONLY_SECTIONS): Don't include
.opd if -pie.
(OTHER_READWRITE_SECTIONS): Include .opd if -pie.
* scripttempl/elf.sc: Use SHLIB_DATA_ADDR instead of DATA_ADDR
if -pie.
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* readelf.c (get_segment_type): Handle PT_GNU_STACK.
bfd/
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_STACK.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Create PT_GNU_STACK segment header.
(get_program_header_size): Count with PT_GNU_STACK.
* elf-bfd.h (struct elf_obj_tdata): Add stack_flags.
* elflink.h (bfd_elfNN_size_dynamic_sections): Set stack_flags.
include/
* bfdlink.h (struct bfd_link_info): Add execstack and noexecstack.
* elf/common.h (PT_GNU_STACK): Define.
ld/
* ldgram.y (phdr_type): Grok PT_GNU_STACK.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Add
-z execstack and -z noexecstack.
(gld${EMULATION_NAME}_list_options): Likewise.
* scripttempl/elf.sc: If not -r, discard .note.GNU-stack section.
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* elflink.h (elf_link_add_object_symbols): Use !info->executable
instead of info->shared where appropriate.
(bfd_elfNN_size_dynamic_sections, elf_link_output_extsym): Likewise.
* elflink.c (_bfd_elf_create_got_section): Likewise.
(_bfd_elf_link_create_dynamic_sections): Likewise.
(_bfd_elf_link_assign_sym_version): Likewise.
* elf32-i386.c (elf_i386_size_dynamic_sections): Create .interp section
and DT_DEBUG dynamic tag even for position independent executables.
* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
* elf32-s390.c (elf_s390_size_dynamic_sections: Likewise.
* elf64-ppc.c (ppc64_elf_size_dynamic_sections: Likewise.
* elf64-s390.c (elf_s390_size_dynamic_sections: Likewise.
* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections: Likewise.
* elfxx-ia64.c (elfNN_ia64_size_dynamic_sections: Likewise.
* elf32-sparc.c (elf32_sparc_size_dynamic_sections: Likewise.
* elf64-alpha.c (elf64_alpha_size_dynamic_sections: Likewise.
* elf64-sparc.c (sparc64_elf_size_dynamic_sections: Likewise.
include/
* bfdlink.h (struct bfd_link_info): Add pie and executable
bits.
ld/
* lexsup.c (OPTION_PIE): Define.
(ld_options): Add -pie and --pic-executable options.
(parse_args): Handle OPTION_PIE.
* ldmain.c (main): Initialize link_info.pie and
link_info.executable.
* genscripts.sh: Generate PIE scripts.
* ld.texinfo: Document -pie and --pic-executable options.
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
(gld${EMULATION_NAME}_place_orphan): Likewise.
(gld${EMULATION_NAME}_get_script): Include PIE scripts.
* scripttempl/elf.sc: In PIE scripts set . the same way as in
shared scripts.
* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Set to yes.
* emulparams/elf64_ia64.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf32ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_x86_64.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf32_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64alpha.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Likewise.
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other variants of crtbegin.o, crtend.o.
(DTOR): Likewise.
* scripttempl/crisaout.sc (ctors, dtors): Likewise.
* scripttempl/elf_chaos.sc (CTOR, DTOR): Likewise.
* scripttempl/elfd10v.sc (CTOR, DTOR): Likewise.
* scripttempl/elfd30v.sc (CTOR, DTOR): Likewise.
* scripttempl/elfxtensa.sc (CTOR, DTOR): Likewise.
* scripttempl/iq2000.sc (CTOR, DTOR): Likewise.
* scripttempl/mmo.sc (ctors, dtors): Likewise.
* scripttempl/xstormy16.sc (CTOR, DTOR): Likewise.
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TARGET_PAGE_SIZE.
* scripttempl/elf.sc (DATA_SEGMENT_ALIGN): Incorporate
SEGMENT_SIZE alignment.
* emulparams/elf64ppc.sh (DATA_ADDR): Delete.
(SEGMENT_SIZE): Define.
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for symbols from SHF_TLS section.
(_bfd_elf_print_private_bfd_data): Add PT_TLS.
(elf_fake_sections): Set SHF_TLS for SEC_THREAD_LOCAL sections.
(map_sections_to_segments): Build PT_TLS segment if necessary.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Account for PT_TLS segment.
(swap_out_syms): Set type of BSF_THREAD_LOCAL symbols and symbols from
SEC_THREAD_LOCAL sections to STT_TLS.
* reloc.c: Add 386 and IA-64 TLS relocs.
* section.c (SEC_THREAD_LOCAL): Define.
(SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS):
Remove.
* elflink.h (elf_link_add_object_symbols): Support .tcommon.
(size_dynamic_sections): If DF_STATIC_TLS, set DF_FLAGS
unconditionally.
(struct elf_final_link_info): Add first_tls_sec.
(elf_bfd_final_link): Set first_tls_sec.
Compute elf_hash_table (info)->tls_segment.
(elf_link_output_extsym): Handle STT_TLS symbols.
(elf_link_input_bfd): Likewise.
* syms.c (BSF_THREAD_LOCAL): Define.
* bfd-in2.h: Rebuilt.
* libbfd.h: Rebuilt.
* elf32-i386.c (elf_i386_tls_transition, dtpoff_base, tpoff,
elf_i386_mkobject, elf_i386_object_p): New functions.
(elf_howto_table): Add TLS relocs.
(elf_i386_reloc_type_lookup): Support TLS relocs.
(elf_i386_info_to_howto_rel): Likewise.
(struct elf_i386_link_hash_entry): Add tls_type.
(struct elf_i386_obj_tdata): New.
(elf_i386_hash_entry, elf_i386_tdata, elf_i386_local_got_tls_type):
New macros.
(struct elf_i386_link_hash_table): Add tls_ldm_got.
(link_hash_newfunc): Clear tls_type.
(elf_i386_check_relocs): Support TLS relocs.
(elf_i386_gc_sweep_hook): Likewise.
(allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(bfd_elf32_mkobject, elf_backend_object_p): Define.
* elfxx-ia64.c (struct elfNN_ia64_dyn_sym_info): Add tprel_offset,
dtpmod_offset, dtprel_offset, tprel_done, dtpmod_done, dtprel_done,
want_tprel, want_dtpmod, want_dtprel.
(elfNN_ia64_tprel_base, elfNN_ia64_dtprel_base): New functions.
(ia64_howto_table): Add TLS relocs, rename R_IA64_LTOFF_TP22 to
R_IA64_LTOFF_TPREL22.
(elf_code_to_howto_index): Add TLS relocs.
(elfNN_ia64_check_relocs): Support TLS relocs.
(allocate_global_data_got): Account for TLS .got data.
(allocate_dynrel_entries): Account for TLS dynamic relocations.
(elfNN_ia64_install_value): Supprt TLS relocs.
(set_got_entry): Support TLS relocs.
(elfNN_ia64_relocate_section): Likewise.
* config/obj-elf.c (elf_common): Renamed from obj_elf_common.
(obj_elf_common): Call elf_common.
(obj_elf_tls_common): New function.
(elf_pseudo_tab): Support .tls_common.
(special_sections): Add .tdata and .tbss.
(obj_elf_change_section): Set SEC_THREAD_LOCAL for SHF_TLS
sections.
(obj_elf_parse_section_letters): Support T in section flags (SHF_TLS).
(obj_elf_parse_section_letters): Include T in error message.
* config/tc-ppc.c (ppc_section_letter): Likewise.
* config/tc-alpha.c (alpha_elf_section_letter): Likewise.
(tc_gen_reloc): Handle SEC_THREAD_LOCAL the same way as
SEC_MERGE.
* config/tc-sparc.c (md_apply_fix3): Likewise.
* config/tc-i386.c (tc_i386_fix_adjustable): Add TLS relocs.
Define them if not BFD_ASSEMBLER.
(lex_got): Support @TLSGD, @TLSLDM, @GOTTPOFF, @TPOFF, @DTPOFF
and @NTPOFF.
(md_apply_fix3): Add TLS relocs.
* config/tc-ia64.c (enum reloc_func): Add FUNC_DTP_MODULE,
FUNC_DTP_RELATIVE, FUNC_TP_RELATIVE, FUNC_LT_DTP_MODULE,
FUNC_LT_DTP_RELATIVE, FUNC_LT_TP_RELATIVE.
(pseudo_func): Support @dtpmod(), @dtprel() and @tprel().
(ia64_elf_section_letter): Include T in error message.
(md_begin): Support TLS operators.
(md_operand): Likewise.
(ia64_gen_real_reloc_type): Support TLS relocs.
* testsuite/gas/i386/tlspic.s: New file.
* testsuite/gas/i386/tlsd.s: New file.
* testsuite/gas/i386/tlsnopic.s: New file.
* testsuite/gas/i386/tlsd.d: New file.
* testsuite/gas/i386/tlsnopic.d: New file.
* testsuite/gas/i386/tlspic.d: New file.
* testsuite/gas/i386/i386.exp: Add tlsd, tlsnopic and tlspic tests.
* testsuite/gas/ia64/tls.s: New file.
* testsuite/gas/ia64/tls.d: New file.
* testsuite/gas/ia64/ia64.exp: Add tls test.
* write.c (adjust_reloc_syms): Don't change symbols in
SEC_THREAD_LOCAL sections to STT_SECTION + addend.
* elf/common.h (PT_TLS, SHF_TLS, STT_TLS, DF_STATIC_TLS): Define.
* elf/ia64.h (R_IA64_LTOFF_TPREL22): Renamed from R_IA64_LTOFF_TP22.
* elf/i386.h: Add TLS relocs.
* scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss.
* ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for
output section if necessary. Handle .tbss.
(lang_size_sections): Clear _raw_size for .tbss section
(it allocates space in PT_TLS segment only).
* ldwrite.c (build_link_order): Build link order for .tbss too.
* readelf.c (get_segment_type): Add PT_TLS.
(get_elf_section_flags): Add SHF_TLS.
(get_dynamic_flags): Optimize. Add DF_STATIC_TLS.
(process_dynamic_segment): Use puts instead of printf.
(get_symbol_type): Support STT_TLS.
* objdump.c (dump_section_header): Remove SEC_CONSTRUCTOR_TEXT,
SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS.
Add SEC_THREAD_LOCAL.
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DATA_SEGMENT_ALIGN.
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