Alan Modra
1079403cc0
Fix ppc32 synthetic symbols when __tls_get_addr_opt stub is generated
...
Also update the 32-bit tls testcases to be secure plt.
bfd/
* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Examine stubs in
reverse order. Account for larger size of __tls_get_addr_opt stub.
ld/testsuite/
* ld-powerpc/tls32.s: Add GOT pointer setup.
* ld-powerpc/tls32.d: Update.
* ld-powerpc/tls32.g: Update.
* ld-powerpc/tls32.t: Update.
* ld-powerpc/tlsexe.d: Update.
* ld-powerpc/tlsexe32.d: Update.
* ld-powerpc/tlsexe32.g: Update.
* ld-powerpc/tlsexe32.r: Update.
* ld-powerpc/tlsexetoc.d: Update.
* ld-powerpc/tlsso32.d: Update.
* ld-powerpc/tlsso32.g: Update.
* ld-powerpc/tlsso32.r: Update.
2015-03-11 18:04:25 +10:30
Alan Modra
ed6b7ef4bc
* ld-powerpc/powerpc.exp: Modify emulation option passed to ld
...
when little-endian.
* ld-powerpc/apuinfo-nul.rd: Update for le output.
* ld-powerpc/apuinfo.rd: Likewise.
* ld-powerpc/plt1.d: Likewise.
* ld-powerpc/relax.d: Likewise.
* ld-powerpc/relaxr.d: Likewise.
* ld-powerpc/sdadyn.d: Likewise.
* ld-powerpc/tls.d: Likewise.
* ld-powerpc/tls.g: Likewise.
* ld-powerpc/tls.t: Likewise.
* ld-powerpc/tls32.d: Likewise.
* ld-powerpc/tls32.g: Likewise.
* ld-powerpc/tls32.t: Likewise.
* ld-powerpc/tlsexe.d: Likewise.
* ld-powerpc/tlsexe.g: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsexe.t: Likewise.
* ld-powerpc/tlsexe32.d: Likewise.
* ld-powerpc/tlsexe32.g: Likewise.
* ld-powerpc/tlsexe32.r: Likewise.
* ld-powerpc/tlsexe32.t: Likewise.
* ld-powerpc/tlsexetoc.d: Likewise.
* ld-powerpc/tlsexetoc.g: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlsexetoc.t: Likewise.
* ld-powerpc/tlsmark.d: Likewise.
* ld-powerpc/tlsmark32.d: Likewise.
* ld-powerpc/tlsopt1.d: Likewise.
* ld-powerpc/tlsopt1_32.d: Likewise.
* ld-powerpc/tlsopt2.d: Likewise.
* ld-powerpc/tlsopt2_32.d: Likewise.
* ld-powerpc/tlsopt3.d: Likewise.
* ld-powerpc/tlsopt3_32.d: Likewise.
* ld-powerpc/tlsopt4.d: Likewise.
* ld-powerpc/tlsopt4_32.d: Likewise.
* ld-powerpc/tlsso.d: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlsso.t: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
* ld-powerpc/tlsso32.t: Likewise.
* ld-powerpc/tlstoc.d: Likewise.
* ld-powerpc/tlstoc.g: Likewise.
* ld-powerpc/tlstoc.t: Likewise.
* ld-powerpc/tlstocso.d: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-powerpc/tlstocso.t: Likewise.
* ld-powerpc/tocopt.out: Likewise.
2012-10-29 09:25:53 +00:00
Alan Modra
74541ad4c0
bfd/
...
* elf-bfd.h (struct elf_link_hash_table): Reorder. Add
text_index_section and data_index_section.
(struct elf_backend_data): Add elf_backend_init_index_section.
(_bfd_elf_init_1_index_section): Declare.
(_bfd_elf_init_2_index_sections): Declare.
* elfxx-target.h (elf_backend_init_index_section): Define.
(elfNN_bed): Init new field.
* elflink.c (_bfd_elf_link_omit_section_dynsym): Keep first tls
section and text_index_section plus data_index_section.
(_bfd_elf_link_renumber_dynsyms): Clear dynindx on omitted sections.
(_bfd_elf_init_1_index_section): New function.
(_bfd_elf_init_2_index_sections): New function.
(bfd_elf_size_dynsym_hash_dynstr): Call elf_backend_init_index_section.
(elf_link_input_bfd): When emitting relocs, use text_index_section
and data_index_section for removed sections.
* elf-m10300.c (elf_backend_omit_section_dynsym): Define.
* elf32-i386.c: Likewise.
* elf32-m32r.c: Likewise.
* elf32-sh.c: Likewise.
* elf32-xstormy16.c: Likewise.
* elf32-xtensa.c: Likewise.
* elf64-alpha.c: Likewise.
* elf64-hppa.c: Likewise.
* elf64-mmix.c: Likewise.
* elf64-sh64.c: Likewise.
* elfxx-ia64.c: Likewise.
* elf32-arm.c (elf32_arm_final_link_relocate): Use text_index_section
and data_index_section sym for relocs against sections with no dynamic
section sym.
(elf_backend_init_index_section): Define.
* elf32-cris.c: Similarly.
* elf32-hppa.c: Similarly.
* elf32-i370.c: Similarly.
* elf32-m68k.c: Similarly.
* elf32-mips.c: Similarly.
* elf32-ppc.c: Similarly.
* elf32-s390.c: Similarly.
* elf32-sparc.c: Similarly.
* elf32-vax.c: Similarly.
* elf64-mips.c: Similarly.
* elf64-ppc.c: Similarly.
* elf64-s390.c: Similarly.
* elf64-sparc.c: Similarly.
* elf64-x86-64.c: Similarly.
* elfn32-mips.c: Similarly.
* elfxx-mips.c: Similarly.
* elfxx-sparc.c: Similarly.
* linker.c (fix_syms): Base symbols in removed sections on
previous section in preference to using absolute section.
ld/
* ldlang.c (strip_excluded_output_sections): Do strip sections
that define syms, but don't ignore them.
* ld.texinfo (Output Section Discarding): Revise.
* emultempl/armcoff.em (gld${EMULATION_NAME}_finish): Always call
finish_default.
ld/testsuite/
Update for section sym changes.
2006-10-17 13:41:49 +00:00
Jakub Jelinek
fdc90cb46b
include/
...
* bfdlink.h (struct bfd_link_info): Add emit_hash and
emit_gnu_hash bitfields.
include/elf/
* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
ld/
* scripttempl/elf.sc: Add .gnu.hash section.
* emultempl/elf32.em (OPTION_HASH_STYLE): Define.
(gld${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.
2006-07-10 21:40:25 +00:00
Alan Modra
85167a847e
Adjust for dynamic sym changes.
2005-08-15 15:39:48 +00:00
Alan Modra
f6ac761239
* ld-cris/pv32.s: Give expobj a size.
...
* ld-cris/pv32-1.d: Update.
* ld-alpha/tlsbin.dd: Update for empty section removal change.
* ld-alpha/tlsbin.sd: Likewise.
* ld-alpha/tlsbin.td: Likewise.
* ld-alpha/tlsbinr.dd: Likewise.
* ld-alpha/tlsbinr.rd: Likewise.
* ld-alpha/tlspic.dd: Likewise.
* ld-alpha/tlspic.rd: Likewise.
* ld-alpha/tlspic.sd: Likewise.
* ld-alpha/tlspic.td: Likewise.
* ld-arm/tls-lib.d: Likewise.
* ld-arm/tls-lib.r: Likewise.
* ld-cris/gotplt2.d: Likewise.
* ld-cris/gotplt3.d: Likewise.
* ld-cris/hiddef1.d: Likewise.
* ld-cris/libdso-10.d: Likewise.
* ld-cris/libdso-11.d: Likewise.
* ld-cris/libdso-12.d: Likewise.
* ld-cris/libdso-14.d: Likewise.
* ld-cris/libdso-2.d: Likewise.
* ld-i386/tlsnopic.dd: Likewise.
* ld-i386/tlsnopic.rd: Likewise.
* ld-i386/tlsnopic.sd: Likewise.
* ld-i386/tlspic.rd: Likewise.
* ld-mmix/bpo-10.d: Likewise.
* ld-mmix/bpo-22.d: Likewise.
* ld-mmix/sec-7m.d: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
2005-07-08 06:22:04 +00:00
Alan Modra
3b36f7e629
bfd/
...
* elf-bfd.h (struct elf_backend_data): Remove got_symbol_offset.
* elfxx-target.h (elf_backend_got_symbol_offset): Delete.
* elflink.c (_bfd_elf_create_got_section): Use zero in place of
got_symbol_offset.
* elf-m10300.c (_bfd_mn10300_elf_create_got_section): Likewise.
* elf32-frv.c (_frv_create_got_section): Likewise.
* elf32-i370.c (i370_elf_finish_dynamic_sections): Delete ppc code.
(elf_backend_got_symbol_offset): Don't define.
* elf64-ppc.c (elf_backend_got_symbol_offset): Don't define.
* elf32-ppc.c (struct ppc_elf_link_hash_table): Add got_header_size
and got_gap.
(ppc_elf_create_got): Tidy.
(ppc_elf_create_dynamic_sections): Don't set SEC_IN_MEMORY for .plt.
(ppc_elf_check_relocs): Reduce string comparisons by using elf.hgot.
(ppc_elf_gc_sweep_hook): Likewise.
(ppc_elf_relocate_section): Likewise.
(ppc_elf_finish_dynamic_symbol): Likewise.
(allocate_got): New function.
(allocate_dynrelocs): Use allocate_got.
(ppc_elf_size_dynamic_sections): Likewise. Delay tlsld_got allocation
so that local got can refcount it. Set got_header_size.
(ppc_elf_relocate_section): Use value of elf.hgot rather than hard-
coded 4.
(ppc_elf_finish_dynamic_sections): Likewise.
(elf_backend_got_symbol_offset): Don't define.
(elf_backend_got_header_size): Ditto.
ld/testsuite/
* ld-powerpc/tlsexe32.d: Update for changed got layout.
* ld-powerpc/tlsexe32.g: Likewise.
* ld-powerpc/tlsexe32.r: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
2005-05-07 02:55:55 +00:00
Alan Modra
644285efef
bfd/
...
* 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.
2005-03-21 13:56:57 +00:00
Alan Modra
cb2d1ef2ae
bfd/
...
* elf32-ppc.c (ppc_elf_create_linker_section): Set SEC_LINKER_CREATED
on section. Correct comment, and add FIXME.
(ppc_elf_additional_program_headers): Don't bump header count for
interp. Test SEC_ALLOC, not SEC_LOAD, and don't test size.
(ppc_elf_size_dynamic_sections): Don't strip sdata and sdata2, but
do allocate memory if they need it.
ld/
* emulparams/elf32ppclinux.sh (OTHER_READWRITE_SECTION): Delete.
(OTHER_RELRO_SECTIONS): Set this instead.
ld/testsuite/
* ld-powerpc/tlsexe32.d: Update.
* ld-powerpc/tlsexe32.g: Update.
* ld-powerpc/tlsexe32.r: Update.
* ld-powerpc/tlsexe32.t: Update.
* ld-powerpc/tlsso32.d: Update.
* ld-powerpc/tlsso32.g: Update.
* ld-powerpc/tlsso32.r: Update.
* ld-powerpc/tlsso32.t: Update.
2005-03-16 02:41:28 +00:00
Hans-Peter Nilsson
ca7d30d9ca
* ld-cris/expdyn1.d, ld-cris/expdyn5.d, ld-cris/expdyn6.d,
...
ld-cris/expdyn7.d, ld-cris/gotplt1.d, ld-cris/gotplt2.d,
ld-cris/gotplt3.d, ld-cris/hiddef1.d, ld-cris/libdso-2.d,
ld-cris/locref1.d, ld-cris/locref2.d, ld-cris/weakref2.d,
ld-i386/tlsbin.rd, ld-i386/tlsnopic.rd, ld-i386/tlspic.rd,
ld-ia64/tlsbin.dd, ld-ia64/tlsbin.rd, ld-ia64/tlspic.dd,
ld-ia64/tlspic.rd, ld-powerpc/tlsexe32.d, ld-powerpc/tlsexe32.g,
ld-powerpc/tlsexe32.r, ld-powerpc/tlsexe32.t,
ld-powerpc/tlsso32.d, ld-powerpc/tlsso32.g, ld-powerpc/tlsso32.r,
ld-powerpc/tlsso32.t, ld-s390/tlsbin.dd, ld-s390/tlsbin.rd,
ld-s390/tlspic.rd, ld-sparc/tlssunbin32.rd,
ld-sparc/tlssunpic32.rd, ld-x86-64/tlsbin.rd, ld-x86-64/tlspic.dd,
ld-x86-64/tlspic.rd: Adjust for _GLOBAL_OFFSET_TABLE_ now hidden.
2004-11-02 05:40:05 +00:00
Jakub Jelinek
8c37241be3
bfd/
...
* 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.
2004-05-11 17:08:38 +00:00
Alan Modra
2a050fb5ce
New tests.
2003-02-18 06:11:32 +00:00