* standards.texi: Relicense under GFDL v1.3.
* fdl.texi: Replace with v1.3 text.
gas/ChangeLog
* doc/as.texinfo: Replace abbreviated 20th century year numbers
with full versions.
gprof/ChangeLog
* gprof.texi: Replace abbreviated 20th century year numbers with
full versions.
ld/ChangeLog
* fdl.texi: Replace with v1.3 text.
* ld.texinfo: Replace abbreviated 20th century year numbers with
full versions.
* ldint.texinfo: Likewise.
Relicense under GFDL v1.3. Replace text of v1.1 FDL with an
include of the fdl.texi file.
Joseph Myers <joseph@codesourcery.com>
Andrew Stubbs <ams@codesourcery.com>
bfd/
* config.bfd (sh-*-uclinux* | sh[12]-*-uclinux*): Add
bfd_elf32_shl_vec, and FDPIC vectors to targ_selvecs.
* configure.in: Handle FDPIC vectors.
* elf32-sh-relocs.h: Add FDPIC and movi20 relocations.
* elf32-sh.c (DEFAULT_STACK_SIZE): Define.
(SYMBOL_FUNCDESC_LOCAL): Define. Use it instead of
SYMBOL_REFERENCES_LOCAL for function descriptors.
(fdpic_object_p): New.
(sh_reloc_map): Add FDPIC and movi20 relocations.
(sh_elf_info_to_howto, sh_elf_relocate_section): Handle new invalid
range.
(struct elf_sh_plt_info): Add got20 and short_plt. Update all
definitions.
(FDPIC_PLT_ENTRY_SIZE, FDPIC_PLT_LAZY_OFFSET): Define.
(fdpic_sh_plt_entry_be, fdpic_sh_plt_entry_le, fdpic_sh_plts): New.
(FDPIC_SH2A_PLT_ENTRY_SIZE, FDPIC_SH2A_PLT_LAZY_OFFSET): Define.
(fdpic_sh2a_plt_entry_be, fdpic_sh2a_plt_entry_le)
(fdpic_sh2a_short_plt_be, fdpic_sh2a_short_plt_le, fdpic_sh2a_plts):
New.
(get_plt_info): Handle FDPIC.
(MAX_SHORT_PLT): Define.
(get_plt_index, get_plt_offset): Handle short_plt.
(union gotref): New.
(struct elf_sh_link_hash_entry): Add funcdesc, rename tls_type to
got_type and adjust all uses. Add GOT_FUNCDESC.
(struct sh_elf_obj_tdata): Add local_funcdesc. Rename
local_got_tls_type to local_got_type.
(sh_elf_local_got_type): Renamed from sh_elf_local_got_tls_type. All
users changed.
(sh_elf_local_funcdesc): Define.
(struct elf_sh_link_hash_table): Add sfuncdesc, srelfuncdesc, fdpic_p,
and srofixup.
(sh_elf_link_hash_newfunc): Initialize new fields.
(sh_elf_link_hash_table_create): Set fdpic_p.
(sh_elf_omit_section_dynsym): New.
(create_got_section): Create .got.funcdesc, .rela.got.funcdesc
and .rofixup.
(allocate_dynrelocs): Allocate local function descriptors and space
for R_SH_FUNCDESC-related relocations, and for rofixups.
Handle GOT_FUNCDESC. Create fixups. Handle GOT entries which
require function descriptors.
(sh_elf_always_size_sections): Handle PT_GNU_STACK and __stacksize.
(sh_elf_modify_program_headers): New.
(sh_elf_size_dynamic_sections): Allocate function descriptors for
local symbols. Allocate .got.funcdesc contents. Allocate rofixups.
Handle local GOT entries of type GOT_FUNCDESC. Create fixups for
local GOT entries. Ensure that FDPIC libraries always have a PLTGOT
entry in the .dynamic section.
(sh_elf_add_dyn_reloc, sh_elf_got_offset, sh_elf_initialize_funcdesc)
(sh_elf_add_rofixup, sh_elf_osec_to_segment)
(sh_elf_osec_readonly_p, install_movi20_field): New functions.
(sh_elf_relocate_section): Handle new relocations, R_SH_FUNCDESC,
R_SH_GOTFUNCDESC and R_SH_GOTOFFFUNCDESC. Use sh_elf_got_offset
and .got.plt throughout to find _GLOBAL_OFFSET_TABLE_. Add rofixup
read-only section warnings. Handle undefined weak symbols. Generate
fixups for R_SH_DIR32 and GOT entries. Check for cross-segment
relocations and clear EF_SH_PIC. Handle 20-bit relocations.
Always generate R_SH_DIR32 for FDPIC instead of R_SH_RELATIVE.
(sh_elf_gc_sweep_hook): Handle R_SH_FUNCDESC, R_SH_GOTOFF20,
R_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC20, and R_SH_GOTOFFFUNCDESC.
Handle 20-bit relocations.
(sh_elf_copy_indirect_symbol): Copy function descriptor reference
counts.
(sh_elf_check_relocs): Handle new relocations. Make symbols
dynamic for FDPIC relocs. Account for rofixups. Error for FDPIC
symbol mismatches. Allocate a GOT for R_SH_DIR32. Allocate fixups
for R_SH_DIR32.
(sh_elf_copy_private_data): Copy PT_GNU_STACK size.
(sh_elf_merge_private_data): Copy initial flags. Do not clobber
non-mach flags. Set EF_SH_PIC for FDPIC. Reject FDPIC mismatches.
(sh_elf_finish_dynamic_symbol): Do not handle got_funcdesc entries
here. Rename sgot to sgotplt and srel to srelplt. Handle short_plt,
FDPIC descriptors, and got20. Create R_SH_FUNCDESC_VALUE for FDPIC.
Use install_movi20_field. Rename srel to srelgot. Always generate
R_SH_DIR32 for FDPIC instead of R_SH_RELATIVE.
(sh_elf_finish_dynamic_sections): Fill in the GOT pointer in rofixup.
Do not fill in reserved GOT entries for FDPIC. Correct DT_PLTGOT.
Rename sgot to sgotplt. Assert that the right number of rofixups
and dynamic relocations were allocated.
(sh_elf_use_relative_eh_frame, sh_elf_encode_eh_address): New.
(elf_backend_omit_section_dynsym): Use sh_elf_omit_section_dynsym.
(elf_backend_can_make_relative_eh_frame)
(elf_backend_can_make_lsda_relative_eh_frame)
(elf_backend_encode_eh_address): Define.
(TARGET_BIG_SYM, TARGET_BIG_NAME, TARGET_LITTLE_SYM)
(TARGET_LITTLE_NAME, elf_backend_modify_program_headers, elf32_bed):
Redefine for FDPIC vector.
* reloc.c: Add SH FDPIC and movi20 relocations.
* targets.c (_bfd_target_vector): Add FDPIC vectors.
* configure, bfd-in2.h, libbfd.h: Regenerated.
binutils/
* readelf.c (get_machine_flags): Handle EF_SH_PIC and EF_SH_FDPIC.
gas/
* config/tc-sh.c (sh_fdpic): New.
(sh_check_fixup): Handle relocations on movi20.
(parse_exp): Do not reject PIC operators here.
(build_Mytes): Check for unhandled PIC operators here. Use
sh_check_fixup for movi20.
(enum options): Add OPTION_FDPIC.
(md_longopts, md_parse_option, md_show_usage): Add --fdpic.
(sh_fix_adjustable, md_apply_fix): Handle FDPIC and movi20 relocations.
(sh_elf_final_processing): Handle --fdpic.
(sh_uclinux_target_format): New.
(sh_parse_name): Handle FDPIC relocation operators.
* config/tc-sh.h (TARGET_FORMAT): Define specially for TE_UCLINUX.
(sh_uclinux_target_format): Declare for TE_UCLINUX.
* configure.tgt (sh-*-uclinux* | sh[12]-*-uclinux*): Set
em=uclinux.
* doc/c-sh.texi (SH Options): Document --fdpic.
gas/testsuite/
* gas/sh/basic.exp: Run new tests. Handle uClinux like Linux.
* gas/sh/fdpic.d: New file.
* gas/sh/fdpic.s: New file.
* gas/sh/reg-prefix.d: Force big-endian.
* gas/sh/sh2a-pic.d: New file.
* gas/sh/sh2a-pic.s: New file.
* lib/gas-defs.exp (is_elf_format): Include sh*-*-uclinux*.
include/elf/
* sh.h (EF_SH_PIC, EF_SH_FDPIC): Define.
(R_SH_FIRST_INVALID_RELOC_6, R_SH_LAST_INVALID_RELOC_6): New. Adjust
other invalid ranges.
(R_SH_GOT20, R_SH_GOTOFF20, R_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC20)
(R_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC20, R_SH_FUNCDESC)
(R_SH_FUNCDESC_VALUE): New.
ld/
* Makefile.am (ALL_EMULATIONS): Add eshelf_fd.o and eshlelf_fd.o.
(eshelf_fd.c, eshlelf_fd.c): New rules.
* Makefile.in: Regenerate.
* configure.tgt (sh-*-uclinux*): Add shelf_fd and shlelf_fd
emulations.
* emulparams/shelf_fd.sh: New file.
* emulparams/shlelf_fd.sh: New file.
* emulparams/shlelf_linux.sh: Update comment.
ld/testsuite/
* ld-sh/sh.exp: Handle uClinux like Linux.
* lib/ld-lib.exp (is_elf_format): Include sh*-*-uclinux*.
* ld-sh/fdpic-funcdesc-shared.d: New file.
* ld-sh/fdpic-funcdesc-shared.s: New file.
* ld-sh/fdpic-funcdesc-static.d: New file.
* ld-sh/fdpic-funcdesc-static.s: New file.
* ld-sh/fdpic-gotfuncdesc-shared.d: New file.
* ld-sh/fdpic-gotfuncdesc-shared.s: New file.
* ld-sh/fdpic-gotfuncdesc-static.d: New file.
* ld-sh/fdpic-gotfuncdesc-static.s: New file.
* ld-sh/fdpic-gotfuncdesci20-shared.d: New file.
* ld-sh/fdpic-gotfuncdesci20-shared.s: New file.
* ld-sh/fdpic-gotfuncdesci20-static.d: New file.
* ld-sh/fdpic-gotfuncdesci20-static.s: New file.
* ld-sh/fdpic-goti20-shared.d: New file.
* ld-sh/fdpic-goti20-shared.s: New file.
* ld-sh/fdpic-goti20-static.d: New file.
* ld-sh/fdpic-goti20-static.s: New file.
* ld-sh/fdpic-gotofffuncdesc-shared.d: New file.
* ld-sh/fdpic-gotofffuncdesc-shared.s: New file.
* ld-sh/fdpic-gotofffuncdesc-static.d: New file.
* ld-sh/fdpic-gotofffuncdesc-static.s: New file.
* ld-sh/fdpic-gotofffuncdesci20-shared.d: New file.
* ld-sh/fdpic-gotofffuncdesci20-shared.s: New file.
* ld-sh/fdpic-gotofffuncdesci20-static.d: New file.
* ld-sh/fdpic-gotofffuncdesci20-static.s: New file.
* ld-sh/fdpic-gotoffi20-shared.d: New file.
* ld-sh/fdpic-gotoffi20-shared.s: New file.
* ld-sh/fdpic-gotoffi20-static.d: New file.
* ld-sh/fdpic-gotoffi20-static.s: New file.
* ld-sh/fdpic-plt-be.d: New file.
* ld-sh/fdpic-plt-le.d: New file.
* ld-sh/fdpic-plt.s: New file.
* ld-sh/fdpic-plti20-be.d: New file.
* ld-sh/fdpic-plti20-le.d: New file.
* ld-sh/fdpic-stack-default.d: New file.
* ld-sh/fdpic-stack-size.d: New file.
* ld-sh/fdpic-stack.s: New file.
* emultempl/pep.em (gld_${EMULATION_NAME}_before_parse): Enable by
default auto_import.
(gld${EMULATION_NAME}_handle_option): Warn about v1.
(pep_find_data_imports): Remove superflous warnings about
auto-import.
(gld_${EMULATION_NAME}_get_script): Don't merge for auto-import
and active pseudo-relocation-v2 rdata into data section.
* pe-dll.c (_nm_-symbols): Use always underscored variant
for symbols.
(__imp_-symbols): Likewise.
(___imp_-symbols): Likewise.
* NEWS: Mention ABI change for x64 PE-COFF.
PS: Sorry, missed this part of approved patch.
* configure.ac (install_as_default): Define and set to false
unless --enable-gold or --enable-gold=both/gold has been
specified.
* configure: Regenerate.
* Makefile.am (install-exec-local): Install the executable as
'ld.gold'. If install_as_default is true then also install it as
'ld'.
* Makefile.in: Regenerated.
ld:
* configure.in (install_as_default): Define and set to true
unless --enable-gold=both/gold has been specified.
* configure: Regenerate.
* Makefile.am (transform): Use ld.bfd as the default name of
the linker.
(install-exec-local): Also install the executable as a binary
named 'ld' if install_as_default is true.
* Makefile.in: Regenerate.
* emultempl/armelf.em (merge_exidx_entries): New variable.
(OPTION_NO_MERGE_EXIDX_ENTRIES): New definition.
("no-merge-exidx-entries"): New option.
* ld.texinfo (merge-exidx-entries): Document this option.
2010-04-15 Andrew Haley <aph@redhat.com>
* bfd-in.h (elf32_arm_fix_exidx_coverage): Add new flag:
merge_exidx_entries.
* bfd-in2.h: Likewise.
* elf32-arm.c (elf32_arm_fix_exidx_coverage): Likewise. Use it to
control merging of exidx entries.
2010-04-15 Andrew Haley <aph@redhat.com>
* options.h (merge_exidx_entries): New option.
* arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
(class Arm_exidx_fixup::merge_exidx_entries_): New member.
(Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
(Target_arm::merge_exidx_entries): New function.
(process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
(Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
to Arm_exidx_fixup constructor.
Add new arg, merge_exidx_entries.
(Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
Arm_output_section::fix_exidx_coverage.
PR ld/11378
* elf64-ppc.h (ppc64_elf_check_init_fini): Declare.
* elf64-ppc.c (call_check_done): Define.
(ppc64_elf_add_symbol_hook): Substitute bfd_get_section_name macro.
(ppc64_elf_check_relocs, ppc64_elf_size_dynamic_sections): Likewise.
(ppc64_elf_finish_multitoc_partition): Remove unnecessary check.
(toc_adjusting_stub_needed): Use call_check_done rather than toc_off.
Simplify return logic. Iterate over all .init and .fini fragments
by recursion. Set makes_toc_func_call here..
(ppc64_elf_next_input_section): ..rather than here.
(check_pasted_section, ppc64_elf_check_init_fini): New functions.
ld/
PR ld/11378
* emultempl/ppc64elf.em (gld${EMULATION_NAME}_after_allocation): Call
ppc64_elf_check_init_fini and warn if .init/.fini use different TOCs.
PR ld/11304
* elf.c (_bfd_elf_init_private_section_data): Rename need_group
to final_link and invert. For final link allow some flags to
differ. Don't specially allow flags to be all zero.
ld/
* ldlang.c (init_os): Remove isec param. Don't check for
bfd_section already set or call bfd_init_private_section_data
here.
(exp_init_os): Update init_os call.
(lang_add_section): Tidy. Really don't set SEC_LINK_ONCE
flags. Call bfd_init_private_section_data here.
(map_input_to_output_sections): Tidy. Update init_os calls.
Use os->sectype to select sec flags for lang_data_statement.
* ldlang.c (exp_init_os): Delete forward declaration.
(init_os): Don't check for bfd_section already created and don't
init addr_tree and load_base expressions here.
(map_input_to_output_sections): Only map input to output sections
and set constraints here, and as an exception, create output
sections which have their address set. Move all the other code to..
(create_other_output_sections): ..here. New function. Handle init
of addr_tree and load_base here too.
(lang_process): Call create_other_output_sections.
* elf64-ppc.c (struct plt_entry): Move earlier in file.
(struct got_entry): Likewise. Add is_indirect and got.ent fields.
(struct ppc64_elf_obj_tdata): Change tlsld_got to be a struct got_entry.
Update all uses.
(struct ppc_link_hash_table): Add got_reli_size and second_toc_pass.
Remove no_multi_toc.
(update_local_sym_info, ppc64_elf_check_relocs): Clear is_indirect
when allocating a new struct got_entry.
(allocate_got): New function, extracted from..
(allocate_dynrelocs): ..here. Abort on got entry in non-ppc64 bfd.
(ppc64_elf_size_dynamic_sections): Track got relocs allocated in
.reliplt by got_reli_size. Set owner on ppc64_tlsld_got entries.
(ppc64_elf_setup_section_lists): Remove output_bfd param and
no_multi_toc, add add_stub_section and layout_sections_again. Stash
new params in htab. Extract some code to..
(ppc64_elf_start_multitoc_partition): ..here. New function.
(ppc64_elf_next_toc_section): Check for linker script errors. Handle
second pass toc scan.
(merge_got_entries, merge_global_got, reallocate_got): New functions.
(ppc64_elf_reinit_toc): Rename to..
(ppc64_elf_finish_multitoc_partition): ..this.
(ppc64_elf_layout_multitoc): New function.
(ppc64_elf_size_stubs): Delete output_bfd, add_stub_section and
layout_sections_again params.
(ppc64_elf_relocate_section): Handle indirect got entries.
* elf64-ppc.h: Update prototypes. Declare new functions.
ld/
* emultempl/ppc64elf.em (build_toc_list): Report errors from
ppc64_elf_next_toc_section.
(after_allocation): Update for changed function names and params.
Run second pass of multitoc partitioning.
* ldfile.c: (ldfile_open_file): Do not stop link upon encountering
a missing file or library. Instead mark the entry as missing and
set the global flag to indicate that missing files were
encountered.
* ldlang.c (missing_files): New exported variable.
(load_symbols): Skip loading if the file is missing.
(open_input_bfds): Terminate link if any input files were
missing.
* ldlang.h (struct lang_input_statement_struct): Add missing_file
field.
Add export of missing_file variable.
match an existing output section, but an unused output section
statement does match, use it.
* emultempl/pe.em (_place_orphan): Likewise.
* emultempl/pep.em (_place_orphan): Likewise.
* ld-elf/orphan4.d: New.
* ld-elf/orphan4.ld: New.
* ld-elf/orphan4.s: New.
* ld.h (struct args_type): Rename 'relax' field to
'disable_target_specific_optimizations' and turn it into a
tri-state variable.
(RELAXATION_DISABLED_BY_DEFAULT): New macro.
(RELAXATION_DISABLED_BY_USER): New macro.
(RELAXATION_ENABLED): New macro.
(DISABLE_RELAXATION): New macro.
(ENABLE_RELAXATION): New macro.
* lexsup (enum option_values): Add OPTION_NO_RELAX.
(struct ld_options): Add --no-relax.
(parse_args): Handle OPTION_NO_RELAX. Use DISABLE_RELAXATION and
ENABLE_RELAXATION macros.
* ldlang.c (lang_relax_sections): Use RELAXATION_ENABLED macro.
(lang_process): Likewise.
* ldmain.c (main): Initialise
disable_target_specific_optimizations field.
(multiple_definition): Use RELAXATION_ENABLED macro.
* ld.texinfo: Document new command line option.
* emultempl/alphaelf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_DISABLED_BY_USER macro.
Use ENABLE_RELAXATION macro.
* emultempl/avrelf.em: (after_allocation): Test RELAXATION_ENABLED
macro.
* emultempl/cr16elf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_DISABLED_BY_USER macro.
Use ENABLE_RELAXATION macro.
* emultempl/crxelf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_DISABLED_BY_USER macro.
Use ENABLE_RELAXATION macro.
* emultempl/mmix-elfnmmo.em: (before_allocation): Use
ENABLE_RELAXATION macro.
* emultempl/needrelax.em: (before_allocation): Use
ENABLE_RELAXATION macro.
* emultempl/ppc32elf.em: (before_allocation): Test
RELAXATION_DISABLED_BY_DEFAULT macro. Use
ENABLE_RELAXATION macro.
* emultempl/sh64elf.em: (before_allocation): Test
RELAXATION_ENABLED macro. Use DISABLE_RELAXATION macro.
* emultempl/xtensaelf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_ENABLED macro.
Use ENABLE_RELAXATION macro.
* scripttempl/pe.sc: (.note.GNU-stack): Mark as discardable.
(.gnu.lto_*): Likewise.
* scripttempl/pep.sc: (.note.GNU-stack): Mark as discardable.
(.gnu.lto_*): Likewise.
* pe.em (DEFAULT_PSEUDO_RELOC_VERSION): New macro.
(gld_XXX_before_parse): Set pseudo-relocation default
version to DEFAULT_PSEUDO_RELOC_VERSION.
(gldXXX_handle_option): Likewise.
* ldlang.h (struct lang_input_statement_struct): Rename add_needed
to add_DT_NEEDED_for_dynamic. Rename as_needed to
add_DT_NEEDED_for_regular.
* ldlang.c: Likewise.
* ldlang.h: Likewise.
* ldlang.c: Use the new variable names.
* ldgram.y: Likewise.
* emultempl/elf32.em: Likewise.
* ld.texinfo: Document the renamed option. Also mention its
affect on the resolution of dynamic symbols.
* NEWS: Mention the changed option name.
* deffile.h (def_file_export): New member its_name.
(def_file_import): Likewise.
(def_file_add_export): Add argument its_name.
(def_file_add_import): Likewise.
* deffilep.y (def_exports): Add argument its_name.
(def_import): Likewise.
(EQUAL): Add new token for '=='.
(opt_equalequal_name): New rule.
(expline): Add rule opt_equalequal_name.
(impline): Likewise.
(def_file_free): Free for exports and imports
the optional member its_name.
(def_lex): Add scan of '==' as EQUAL.
* pe-dll.c (pe_export_sort): Sort for its_name too.
(process_def_file_and_drectve): Adjust calls to
def_file_add_export.
(generate_edata): Take its_name in account.
(make_one): Likewise.
(pe_process_import_defs): Likewise.
(pe_dll_generate_def_file): Add print of new '==' option.
* ld.texinfo: Extend documentation about .def file syntax.
* NEWS: Mention new feature.
(gld${EMULATION_NAME}_add_options): Add new --exclude-all-symbols option
to exclude all symbols from automatic export.
(gld_${EMULATION_NAME}_list_options): Describe it.
(gld${EMULATION_NAME}_handle_option): Handle it.
* emultempl/pep.em: Likewise to all the above.
* pe-dll.c (pe_dll_exclude_all_symbols): New variable.
(process_def_file_and_drectve): Use it.
* pe-dll.h (pe_dll_exclude_all_symbols): Declare.
* pep-dll.c (pep_dll_exclude_all_symbols): Define pep_ alias.
* pep-dll.h (pe_dll_exclude_all_symbols): Declare.
* NEWS: Mention the new feature.
* ld.texinfo: Document the new command line switch.
