* elf32-bfin.c (struct bfinfdpic_elf_link_hash_table): Add pointer to
summary reloc information.
(bfinfdpic_dynamic_got_plt_info): New.
(_bfin_create_got_section): Create the PLT section here.
(elf32_bfinfdpic_create_dynamic_sections): Not here.
(_bfinfdpic_count_nontls_entries): Move out of...
(_bfinfdpic_count_got_plt_entries): ... here.
(_bfinfdpic_count_relocs_fixups): Likewise.
(_bfinfdpic_reset_got_plt_entries): New.
(_bfinfdpic_size_got_plt): Move out of...
(elf32_bfinfdpic_size_dynamic_sections): ... here.
(bfinfdpic_relocate_section): Be careful not to call
_bfinfdpic_add_rofixup or _bfinfdpic_add_dyn_reloc for deleted relocs.
(bfinfdpic_check_discarded_relocs, bfinfdpic_elf_discard_info):
New functions.
(elf_backend_discard_info): Define for FD-PIC.
Stop using bfd_usrdata in libbfd.
* coff-stgo32.c (bfd_coff_go32stub): Remove.
(stub_bytes, comment): Replace STUBSIZE by GO32_STUBSIZE.
(adjust_filehdr_in_post): Declare the abfd parameter as unused.
Replace STUBSIZE by GO32_STUBSIZE. Save now the stub in
filehdr_dst->u.go32.stub. New comment with the reason.
(adjust_filehdr_out_pre): Replace STUBSIZE by GO32_STUBSIZE.
Substitute the removed macro bfd_coff_go32stub.
(adjust_filehdr_out_post, adjust_scnhdr_in_post, adjust_scnhdr_out_pre)
(adjust_scnhdr_out_post, adjust_aux_in_post, adjust_aux_out_pre)
(adjust_aux_out_post): Replace STUBSIZE by GO32_STUBSIZE.
(create_go32_stub, go32_stubbed_coff_bfd_copy_private_bfd_data):
Replace STUBSIZE by GO32_STUBSIZE. Substitute the removed macro
bfd_coff_go32stub.
* coffcode.h (coff_mkobject_hook): Initialize coff->go32stub.
* libcoff-in.h (coff_data_type): New field go32stub.
* libcoff.h: Regenerated.
include/coff/
Stop using bfd_usrdata in libbfd.
* go32exe.h (struct external_filehdr_go32_exe <stub>, FILHSZ): Replace
STUBSIZE by GO32_STUBSIZE.
(STUBSIZE): Move the definition ...
* internal.h (GO32_STUBSIZE): ... here and rename it.
(struct internal_filehdr <go32stub>, F_GO32STUB): New.
symbols.
(elf32_arm_final_link_relocate): Treat local undefined symbols the
same as global undefined symbols.
(elf32_arm_relocate_section): Give an error for local undefined
non-weak symbols, unless the reloc will not use the symbol.
* elf32-ppc.c (shared_stub_entry, stub_entry): Use r12, not r11.
(ppc_elf_relax_section): Use symbol index to distinguish
relocatable stubs.
ld/testsuite/
* ld-powerpc/relax.s: New.
* ld-powerpc/relax.d: New.
* ld-powerpc/relaxr.d: New.
* ld-powerpc/powerpc.exp: Add new tests.
info for STT_GNU_IFUNC.
* elf32-ppc.c (ppc_elf_check_relocs): Count a needed plt entry
on got refs in case the symbol turns out to be ifunc.
(ppc_elf_gc_sweep_hook): Similarly.
(ppc_elf_adjust_dynamic_symbol): Adjust assertion.
(allocate_dynrelocs): Don't specially allocate got relocs for ifunc.
(ppc_elf_size_dynamic_sections): Likewise.
(ppc_elf_relocate_section): Likewise.
* elf32-mips.c (mips_reloc_map): Add BFD_RELOC_MIPS_JALR.
* elfxx-mips.c (JAL_TO_BAL_P): New define to transform JAL to BAL
for CPUs. It is true for RM9000.
(JALR_TO_BAL_P): New define to transform JALR to BAL. It is true
for all CPUs.
(mips_elf_perform_relocation): Use JAL_TO_BAL_P and JALR_TO_BAL_P
to guard the transformation.
* elf32-arm.c (elf32_arm_stub_type): Add arm_stub_a8_veneer_lwm.
(arm_build_one_stub): Build a8 veneers as a separate pass.
(cortex_a8_erratum_scan): Add prev_num_a8_fixes and stub_changed_p
parameters. Use them to check if we create a different a8 fixup
than the previous pass.
(elf32_arm_size_stubs): Move scope of stub_changed and
prev_num_a8_fixes into main loop.
(elf32_arm_build_stubs): Build a8 veneers in a second pass.
ld/testsuite/
* ld-arm/cortex-a8-far-1.s: New.
* ld-arm/cortex-a8-far-2.s: New.
* ld-arm/cortex-a8-far.d: New.
* ld-arm/arm-elf.exp: Add new test.
PR ld/10433
* elf-ifunc.c (_bfd_elf_allocate_ifunc_dyn_relocs): Set got
to htab->init_got_offset and plt to htab->init_plt_offset
when discarding space for dynamic relocations.
for local ifunc symbols in non-pie executables, regardless of
reloc type. Don't specially create ifunc dyn relocs. Tidy ifunc
code so that it's obvious that we only do anything special for
local ifunc syms.
(ppc_elf_gc_sweep_hook): Adjust to suit check_relocs changes.
(allocate_dynrelocs): Correct comment for syms defined in plt.
Don't specially allocate ifunc dyn relocs.
(ppc_elf_relax_section): Relax branches to ifunc plt entries too.
(ppc_elf_relocate_section): Set "relocation" value for ifunc
syms in non-pie executables. No specially allocated dyn relocs
for ifunc to write. Allow for local sym on R_PPC_RELAX32_PLT.
(ppc_elf_finish_dynamic_symbol): Set value of ifunc symbols in
a non-pie executable.
used by indirect function support. Count dynamic relocs for
ifunc syms.
(ppc_elf_adjust_dynamic_symbol): Tweak for ifunc.
(allocate_dynrelocs): Allocate all non-dynamic ifunc plt entries
in iplt and their relocs in reliplt. Don't make ifunc syms
dynamic. Allocate got entry relocs for non-dynamic ifunc in
reliplt. Handle other dynamic relocs for ifunc.
(ppc_elf_size_dynamic_sections): Alloc dyn relocs for static
ifunc in reliplt, likewise relocs for got against local ifunc.
Typo fix on reliplt size adjust.
(ppc_elf_relocate_section): Don't use plt scheme of allocating
relocs 1-1 with entries for iplt, instead just add using
reloc_count. Write got relocs and dyn relocs for ifunc to reliplt.
Error on invalid ifunc dyn relocs.
(ppc_elf_finish_dynamic_symbol): Adjust for non-dynamic ifunc plt
in iplt/reliplt.
* elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_JMP_IREL,
R_PPC64_REL16, R_PPC64_REL16_LO, R_PPC64_REL16_HI, R_PPC64_REL16_HA.
(ppc64_elf_reloc_type_lookup): Handle new relocs.
(ppc64_elf_check_relocs): Likewise. Count dyn relocs for ifunc.
(allocate_dynrelocs): As for elf32-ppc.c above.
(ppc64_elf_size_dynamic_sections): Likewise.
(ppc_build_one_stub): Put non-dynamic ifunc plt call stubs in iplt,
and their relocs in reliplt. Use R_PPC64_JMP_IREL.
(ppc_size_one_stub): Similarly.
(ppc64_elf_relocate_section): As for elf32-ppc.c above. Handle new
relocs too.
(ppc64_elf_finish_dynamic_symbol): As for elf32-ppc.c above.
gnu_unique_object.
* doc/as.texinfo: Document new feature of .type directive.
* NEWS: Mention support for gnu_unique_object symbol type.
* common.h (STB_GNU_UNIQUE): Define.
* NEWS: Mention the linker's support for symbols with a binding of
STB_GNU_UNIQUE.
* gas/elf/type.s: Add unique global symbol definition.
* gas/elf/type.e: Add expected readelf output for global unique
symbol.
* elfcpp.h (enum STB): Add STB_GNU_UNIQUE.
* readelf.c (get_symbol_binding): For Linux targeted files return
UNIQUE for symbols with the STB_GNU_UNIQUE binding.
* doc/binutils.texi: Document the meaning of the 'u' symbol
binding in the output of nm and objdump --syms.
* elf-bfd.h (struct elf_link_hash_entry): Add unique_global field.
* elf.c (swap_out_syms): Set binding to STB_GNU_UNIQUE for symbols
with the BSF_GNU_UNIQUE flag bit set.
* elfcode.h (elf_slurp_symbol_table): Set the BSF_GNU_UNIQUE flag
for symbols with STB_GNU_UNIQUE binding.
* elflink.c (_bfd_elf_merge_symbol): Set unique_global for symbols
with the STB_GNU_UNIQUE binding.
(elf_link_add_object_symbols): Set the BSF_GNU_UNIQUE flag for
symbols with STB_GNU_UNIQUE binding. Set STB_GNU_UNIQUE for
symbols with the unique_global field set.
(elf_link_output_extsym): Set unique_global field for symbols with
the STB_GNU_UNIQUE binding.
* syms.c (struct bfd_symbol): Define BSF_GNU_UNIQUE flag bit.
(bfd_print_symbol_vandf): Print a 'u' character for BSF_GNU_UNIQUE
symbols.
(bfd_decode_symclass): Return a 'u' character for BSF_GNU_UNIQUE
symbols.
* bfd-in2.h: Regenerate.
2009-07-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/10426
* elflink.c (elf_link_add_object_symbols): Turn an IFUNC symbol
from a DSO into a normal FUNC symbol.
(elf_link_output_extsym): Turn an undefined IFUNC symbol into
a normal FUNC symbol.
ld/testsuite/
2009-07-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/10426
* ld-ifunc/ifunc.exp: Check test-1 and libtest-2.so. Updated.
* ld-ifunc/test-1.c: New.
* ld-ifunc/test-2.c: Likewise.
(_bfd_mips_elf_size_dynamic_sections): For CPUs without load
interlocking, the last PLT entry needs a nop in the branch delay slot.
(_bfd_mips_elf_finish_dynamic_symbol): For CPUs with load itnerlocking,
output the last two PLT entries in reverse order.
* ld-mips-elf/pic-and-nonpic-3b.dd,
ld-mips-elf/pic-and-nonpic-5b.dd,
ld-mips-elf/pic-and-nonpic-6-o32.dd: Updated to use new PLT entries.
2009-07-16 H.J. Lu <hongjiu.lu@intel.com>
* elf32-i386.c (elf_i386_relocate_section): Don't get local
STT_GNU_IFUNC symbol for relocatable link.
* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
ld/testsuite/
2009-07-16 H.J. Lu <hongjiu.lu@intel.com>
* ld-ifunc/ifunc-5r-local-i386.d: New.
* ld-ifunc/ifunc-5r-local-x86-64.d: Likewise.
and ref_regular_nonweak comment.
* elflink.c (elf_link_output_extsym): Special case ifunc syms
when def_regular, not ref_regular.
(elf_link_add_object_symbols): Don't set needs_plt on ifunc syms,..
* elf32-i386.c (elf_i386_check_relocs): ..set it here instead..
* elf64-x86-64.c (elf64_x86_64_check_relocs): ..and here.
* coffcode.h (sec_to_styp_flags): Partially revert (functional
changes only) earlier patch:-
2009-06-25 Kai Tietz <kai.tietz@onevision.com>
* coffcode.h (sec_to_styp_flags): Set discardable for .reloc and
give .debug and .reloc data characteristics.
(DOT_RELOC): New define for .reloc section string.
(coff_write_object_contents): Use DOT_RELOC instead of string.
BFD_HAVE_SYS_STAT_TYPE_MEMBER): New config functions.
* bfd/configure.in: Use them.
* bfd/configure: Regenerate.
* bfd/config.in: Regnerate.
* bfd/vmsutil.c: Include sysdep.h, remove ansidecl.h.
#define _BSD_SOURCE. Add comments.
(vms_file_stats_name): Calculate creation date based on available
runtime data. Return 1 for version instead of 0.
2009-06-27 H.J. Lu <hongjiu.lu@intel.com>
PR ld/10337
* elf.c (bfd_section_from_shdr): Don't change sh_link for
SHT_REL/SHT_RELA sections on executable nor shared library.
Treat SHT_REL/SHT_RELA sections with sh_link set to SHN_UNDEF
as a normal section.
ld/testsuite/
2009-06-27 H.J. Lu <hongjiu.lu@intel.com>
PR ld/10337
* ld-ifunc/binutils.exp: New.
* coffcode.h (sec_to_styp_flags): Set discardable for .reloc and
give .debug and .reloc data characteristics.
(DOT_RELOC): New define for .reloc section string.
(coff_write_object_contents): Use DOT_RELOC instead of string.
* mach-o-target.c (bfd_mach_o_get_dynamic_symtab_upper_bound)
(bfd_mach_o_canonicalize_dynamic_symtab)
(bfd_mach_o_get_synthetic_symtab): Defines.
(TARGET_NAME_BACKEND): Add bfd_mach_o_print_thread entry.
(TARGET_NAME): Use Mach-O specific functions for dynamic.
* mach-o-i386.c (bfd_mach_o_i386_swap_reloc_in): Fix howto indexes
for scattered relocations.
(bfd_mach_o_i386_print_thread): New function.
(bfd_mach_o_print_thread): Define.
* mach-o.c (text_section_names_xlat): Add an entry for __const.
(bfd_mach_o_canonicalize_one_reloc, bfd_mach_o_canonicalize_relocs):
New functions extracted from ...
(bfd_mach_o_canonicalize_reloc): ... This. Simplified.
(bfd_mach_o_get_dynamic_reloc_upper_bound): New function.
(bfd_mach_o_canonicalize_dynamic_reloc): New function.
(bfd_mach_o_i386_flavour_string): Adjusted after enum renaming.
(bfd_mach_o_ppc_flavour_string): Reindentation. Add 64 bits cases.
(bfd_mach_o_scan_read_dylinker): Do not create a section anymore.
Set name_str field.
(bfd_mach_o_scan_read_dylib): Ditto.
(bfd_mach_o_scan_read_thread): Set mdata at declaration. Add comments,
reindent.
(bfd_mach_o_scan_read_dysymtab): Set mdata at declaration. Correctly
decode isym and flags on little endian targets. Set dysymtab field.
(bfd_mach_o_scan_start_address): Adjust for enum names.
(bfd_mach_o_lookup_section): Do not look for segments anymore.
(bfd_mach_o_print_section): Display bfd section name.
(bfd_mach_o_print_segment): Display none if no name.
(bfd_mach_o_print_dysymtab): Display next index for local, external
and undefined symbols.
(bfd_mach_o_bfd_print_private_bfd_data): Adjust code by using name_str.
Display dylinker name. Display thread and unixthread commands content.
(bfd_mach_o_print_thread): New macro.
* mach-o.h (bfd_mach_o_mach_header_magic): Align numbers.
(bfd_mach_o_ppc_thread_flavour): Ditto.
(bfd_mach_o_i386_thread_flavour): Ditto.
(BFD_MACH_O_PPC_THREAD_STATE_NONE): New enum.
(BFD_MACH_O_x86_THREAD_STATE_NONE): Replaces
BFD_MACH_O_THREAD_STATE_NONE.
(bfd_mach_o_segment_command): Remove segment field.
(bfd_mach_o_thread_flavour): Field offset is now unsigned long.
(bfd_mach_o_dylinker_command): Remove section field, add name_str.
(bfd_mach_o_prebound_dylib_command): Ditto.
(bfd_mach_o_dylib_command): Ditto.
(bfd_mach_o_prebound_dylib_command): Remove section field.
(mach_o_data_struct): Add dysymtab field.
(bfd_mach_o_backend_data): Add _bfd_mach_o_print_thread field.
(bfd_mach_o_get_reloc_upper_bound, bfd_mach_o_canonicalize_reloc)
(bfd_mach_o_build_commands): Remove parameter names and attributes.
(bfd_mach_o_get_dynamic_reloc_upper_bound)
(bfd_mach_o_canonicalize_dynamic_reloc): New prototypes.
bfd/
* elf32-arm.c (elf32_arm_size_stubs): Use PLT address as
destination for defined dynamic symbols when deciding whether to
insert a stub or not.
(allocate_dynrelocs): Make sure functions are not marked as Thumb
when actually accessed through a PLT, even when generating a
shared lib.
ld/testsuite:
* ld-arm/farcall-mixed-app.s: Add new references to check more
modes switching.
* ld-arm/farcall-mixed-lib1.s: Likewise.
* ld-arm/farcall-mixed-app-v5.d: Update expected result.
* farcall-mixed-app.d: Likewise.
* ld-arm/farcall-mixed-lib.d: Likewise.
2009-06-19 H.J. Lu <hongjiu.lu@intel.com>
* elf32-i386.c (elf_i386_tls_transition): Add a parameter,
r_symndx. Report local symbol name on error.
(elf_i386_check_relocs): Updated. Report local symbol name on
error.
(elf_i386_gc_sweep_hook): Updated.
(elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (elf64_x86_64_tls_transition): Add a parameter,
r_symndx. Report local symbol name on error.
(elf64_x86_64_check_relocs): Updated. Report local symbol name
on error.
(elf64_x86_64_gc_sweep_hook): Updated.
(elf64_x86_64_relocate_section): Likewise.
ld/testsuite/
2009-06-19 H.J. Lu <hongjiu.lu@intel.com>
* ld-i386/i386.exp: Run tlsgd2.
* ld-i386/tlsgd2.d: New.
* ld-i386/tlsgd2.s: Likewise.
* ld-x86-64/tlsgd3.d: Updated.
* mach-o.c (bfd_mach_o_scan_read_symtab_symbols): Add prototype.
(bfd_mach_o_version): Use bfd_mach_o_get_data instead of direct access.
(bfd_mach_o_valid): Ditto.
(bfd_mach_o_wide_p): Ditto.
(bfd_mach_o_canonicalize_reloc): Ditto.
(bfd_mach_o_build_commands): Ditto.
(bfd_mach_o_scan_read_thread): Ditto.
(bfd_mach_o_flatten_sections): Ditto.
(bfd_mach_o_scan_start_address): Ditto.
(bfd_mach_o_lookup_section): Ditto.
(bfd_mach_o_core_fetch_environment): Ditto.
(bfd_mach_o_write_contents): Ditto. Handle reexport_dylib.
(bfd_mach_o_scan_write_relocs): Adjust for bfd_mach_o_get_data.
(bfd_mach_o_scan_write_symtab): Ditto.
Use macros instead of hard-coded values.
(bfd_mach_o_scan_read_symtab_symbol): Make the function static.
Use bfd_mach_o_get_data instead of direct access. Use macros
instead of hard-coded values.
(bfd_mach_o_scan_read_symtab_strtab): Make the function static.
Remove sym argument and get section from mdata.
Move code into the else branch.
(bfd_mach_o_scan_read_symtab_symbols): Make the function static.
Remove sym argument and get section from mdata. Adjust code.
(bfd_mach_o_scan_read_dylib): Move assertion into the created
switch (which replaces consecutive if statements).
(bfd_mach_o_scan_read_dysymtab): Rename seg to cmd. Load
module table, table of content, indirect symbols and external
referenced symbols.
(bfd_mach_o_scan_read_symtab): Renames seg to symtab. Set symtab
field.
(bfd_mach_o_scan_read_linkedit): New function.
(bfd_mach_o_scan_read_str): Ditto.
(bfd_mach_o_count_symbols): Simplify the code by using the symtab
field of mdata.
(bfd_mach_o_get_symtab_upper_bound): Remove check as
bfd_mach_o_count_symbols never returns an error.
(bfd_mach_o_canonicalize_symtab): Simplify the code by using the
symtab field (there might be only one symtab).
(bfd_mach_o_scan_read_command): Handle reexported dylib.
Handle sub frameworks, sub umbrella, sub library and sub client.
Read code signature and segment split info commands.
(bfd_mach_o_scan): Reindent.
(bfd_mach_o_xlat_name): New type.
(bfd_mach_o_print_flags): New function.
(bfd_mach_o_get_name): Ditto.
(bfd_mach_o_cpu_name): New variable.
(bfd_mach_o_filetype_name, bfd_mach_o_header_flags_name)
(bfd_mach_o_section_type_name)
(bfd_mach_o_section_attribute_name)
(bfd_mach_o_load_command_name): New variables.
(bfd_mach_o_print_private_header): New function.
(bfd_mach_o_print_section_map): New function extracted from
bfd_mach_o_print_private_bfd_data.
(bfd_mach_o_print_section): Ditto. Print more infos.
(bfd_mach_o_print_segment): Ditto.
(bfd_mach_o_print_dysymtab): Ditto.
(bfd_mach_o_bfd_print_private_bfd_data): Reworked. Handle
load weak dylib, reexport dylib and id dylib.
Handle code signature and segment_split info.
Handle sub frameworks, sub umbrella, sub library and sub client.
(bfd_mach_o_section_get_nbr_indirect): New function.
* mach-o.h (BFD_MACH_O_REFERENCE_MASK): New macro. Add comment.
(bfd_mach_o_header_flags): New enum to define header flags.
(bfd_mach_o_section_attribute): New enum to replace ...
(BFD_MACH_O_S_ATTR_LOC_RELOC, BFD_MACH_O_S_ATTR_EXT_RELOC,
BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS, BFD_MACH_O_S_ATTR_DEBUG,
BFD_MACH_O_S_SELF_MODIFYING_CODE, BFD_MACH_O_S_ATTR_LIVE_SUPPORT,
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS,
BFD_MACH_O_S_ATTR_NO_TOC, BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS): ...
these removed macros.
(BFD_MACH_O_NLIST_SIZE, BFD_MACH_O_NLIST_64_SIZE): New macros.
(bfd_mach_o_dylib_module): New type.
(BFD_MACH_O_DYLIB_MODULE_SIZE, BFD_MACH_O_DYLIB_MODULE_64_SIZE): New
macros.
(bfd_mach_o_dylib_table_of_content): New type.
(BFD_MACH_O_TABLE_OF_CONTENT_SIZE): New macro.
(bfd_mach_o_dylib_reference): New type.
(BFD_MACH_O_REFERENCE_SIZE): New macro.
(bfd_mach_o_dysymtab_command): Add fields for loaded and decoded
modules, toc, references and indirect syms.
(BFD_MACH_O_INDIRECT_SYMBOL_SIZE): New macro.
(bfd_mach_o_dylinker_command): Remove cmd and cmdsize fields (were
unused). Add comment.
(bfd_mach_o_dylib_command): Ditto.
(bfd_mach_o_prebound_dylib_command): Ditto.
(bfd_mach_o_linkedit_command): New type.
(bfd_mach_o_str_command): New type.
(bfd_mach_o_load_command): Add linkedit and str fields.
(mach_o_data_struct): Add symtab field.
(bfd_get_mach_o_data): Renamed to ...
(bfd_mach_o_get_data): ... this new macro.
(bfd_mach_o_scan_read_symtab_symbol,
bfd_mach_o_scan_read_symtab_strtab,
bfd_mach_o_scan_read_symtab_symbols): Prototypes removed.
* mach-o-i386.c (bfd_mach_o_i386_mkobject): Use bfd_mach_o_get_data
instead of direct access.
* elf32-vax.c (elf_vax_relocate_section): For symbol references
from an executable to a shared library treat R_VAX_PC32
relocations as R_VAX_PLT32 ones.
* elf32-vax.c (elf_vax_check_relocs): Handle the visibility
attribute.
(elf_vax_relocate_section): Likewise.
gas/
* config/tc-vax.c (md_estimate_size_before_relax): Accept
indirect symbol references in the PIC mode and emit a
PC-relative relocation instead of a GOT/PLT one. Likewise
for symbols known to be hidden at this point.
2009-06-14 H.J. Lu <hongjiu.lu@intel.com>
PR ld/10270
* elf32-i386.c (elf_i386_allocate_dynrelocs): Disallow
dynamic IFUNC pointer in non-shared object. Use .got.plt
for IFUNC definition in PIE.
(elf_i386_allocate_dynrelocs): Resolve IFUNC definition in
PIE locally.
* elf64-x86-64.c (elf64_x86_64_allocate_dynrelocs): Disallow
dynamic IFUNC pointer in non-shared object. Use .got.plt
for IFUNC definition in PIE.
(elf64_x86_64_relocate_section): Resolve IFUNC definition in
PIE locally.
ld/testsuite/
2009-06-14 H.J. Lu <hongjiu.lu@intel.com>
PR ld/10270
* ld-ifunc/ifunc-9-x86.d: New.
* ld-ifunc/ifunc-9-x86.s: Likewise.
* elf32-i386.c (elf_i386_relocate_section): Properly report
local symbol for unhandled relocation against STT_GNU_IFUNC
symbol.
* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
* elf32-i386.c (elf_i386_check_relocs): Properly report
local symbol for unhandled relocation against STT_GNU_IFUNC
symbol.
* elf64-x86-64.c (elf64_x86_64_check_relocs): Likewise.
permission to an executable bfd that was opened for writing
provided that it is a regular file. Replaces common code found in...
(bfd_close): here and ...
(bfd_close_all_done): here.
* reloc.c: Add BFD_RELOC_MACH_O_SECTDIFF and BFD_RELOC_MACH_O_PAIR.
* bfd-in2.h: Regenerated.
* libbfd.h: Regenerated.
* mach-o.c (FILE_ALIGN): New macro.
(bfd_mach_o_canonicalize_symtab): Adjust for bfd_mach_o_asymbol.
(bfd_mach_o_print_symbol): Ditto.
(bfd_mach_o_scan_write_thread): Adjust type of variable offset.
(bfd_mach_o_get_reloc_upper_bound): New function.
(bfd_mach_o_canonicalize_reloc): Ditto.
(bfd_mach_o_scan_write_relocs): Ditto.
(bfd_mach_o_scan_write_section_32): Remove offset argument.
(bfd_mach_o_scan_write_section_64): Ditto.
(bfd_mach_o_scan_write_segment_32): Write relocs. Fix size of data
written for load command. Do not compute section file offset.
(bfd_mach_o_scan_write_segment_64): Ditto.
(bfd_mach_o_scan_write_symtab): Compute file offset first.
Adjust for bfd_mach_o_asymbol. Move code to convert from BFD to
Mach-O to ...
(bfd_mach_o_mangle_symbols): ... this new function.
(bfd_mach_o_write_contents): Be sure to habe load commands built.
Call bfd_mach_o_mangle_symbols.
(bfd_mach_o_build_commands): Adjust for filelen field.
Use FILE_ALIGN macro. Clear section file offset if section is empty.
Do not set symtab file offset anymore here.
(bfd_mach_o_make_empty_symbol): Allocate a bfd_mach_o_asymbol.
(bfd_mach_o_make_bfd_section): Set SEC_RELOC if has reloc.
Set reloc_count and rel_filepos section fields.
(bfd_mach_o_scan_read_section_32): Type of argument offset is now
unsigned int.
(bfd_mach_o_scan_read_section_64): Ditto.
(bfd_mach_o_scan_read_section): Ditto.
(bfd_mach_o_scan_read_symtab_symbol): Typr of argument s is now
bfd_mach_o_asymbol. Use unsigned int for file offset type.
(bfd_mach_o_scan_read_symtab_symbol): Adjust for bfd_mach_o_asymbol.
Handle weak-ref symbols.
(bfd_mach_o_scan_read_symtab_symbols): Adjust for bfd_mach_o_asymbol.
(bfd_mach_o_scan_read_dysymtab_symbol): Ditto.
(bfd_mach_o_scan): Remove assignment to removed field.
(bfd_mach_o_mkobject_init): Ditto.
(bfd_mach_o_bfd_print_private_bfd_data): Adjust printf formatter.
(bfd_mach_o_bfd_reloc_type_lookup): New macro.
(bfd_mach_o_bfd_reloc_name_lookup): Ditto.
(bfd_mach_o_swap_reloc_in): Ditto.
(bfd_mach_o_swap_reloc_out): Ditto.
* mach-o.h (BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY)
(BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY)
(BFD_MACH_O_REFERENCE_FLAG_DEFINED)
(BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED)
(BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY)
(BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY)
(BFD_MACH_O_REFERENCED_DYNAMICALLY, BFD_MACH_O_N_DESC_DISCARDED)
(BFD_MACH_O_N_NO_DEAD_STRIP, BFD_MACH_O_N_WEAK_REF)
(BFD_MACH_O_N_WEAK_DEF): New macros.
Add comments.
(bfd_mach_o_section_type): Add new enumeration values.
(BFD_MACH_O_S_SELF_MODIFYING_CODE)
(BFD_MACH_O_S_ATTR_LIVE_SUPPORT)
(BFD_MACH_O_S_ATTR_NO_DEAD_STRIP)
(BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS, BFD_MACH_O_S_ATTR_NO_TOC): New
macros.
(BFD_MACH_O_GENERIC_RELOC_VANILLA)
(BFD_MACH_O_GENERIC_RELOC_PAIR)
(BFD_MACH_O_GENERIC_RELOC_SECTDIFF)
(BFD_MACH_O_GENERIC_RELOC_PB_LA_PTR)
(BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF): Ditto.
(BFD_MACH_O_RELENT_SIZE): Ditto.
(BFD_MACH_O_R_PCREL, BFD_MACH_O_GET_R_LENGTH)
(BFD_MACH_O_R_EXTERN, BFD_MACH_O_GET_R_TYPE)
(BFD_MACH_O_GET_R_SYMBOLNUM, BFD_MACH_O_SET_R_LENGTH)
(BFD_MACH_O_SET_R_TYPE, BFD_MACH_O_SET_R_SYMBOLNUM): Ditto.
(BFD_MACH_O_SR_SCATTERED, BFD_MACH_O_SR_PCREL)
(BFD_MACH_O_GET_SR_LENGTH, BFD_MACH_O_GET_SR_TYPE)
(BFD_MACH_O_GET_SR_ADDRESS, BFD_MACH_O_SET_SR_LENGTH)
(BFD_MACH_O_SET_SR_TYPE, BFD_MACH_O_SET_SR_ADDRESS): Ditto.
(bfd_mach_o_reloc_info): New struct.
(bfd_mach_o_asymbol): New struct.
(bfd_mach_o_symtab_command): The symbols field is now of type
bfd_mach_o_asymbol.
(bfd_mach_o_load_command): The offset and len fields are now of type
unsigned int.
(mach_o_data_struct): Remove symbols, nsymbols and ibfd fields.
Add a filelen field. Add comments.
(bfd_mach_o_backend_data): New struct.
(bfd_mach_o_get_backend_data): New macro.
(bfd_mach_o_scan_read_symtab_symbol): Parameter symbol now of type
bfd_mach_o_asymbol.
(bfd_mach_o_scan_read_dysymtab_symbol): Ditto.
(bfd_mach_o_get_reloc_upper_bound): New prototype.
(bfd_mach_o_canonicalize_reloc): Ditto.
* mach-o-target.c (bfd_mach_o_bfd_is_local_label_name): Remove
duplicated macro. Now defined to _bfd_generic_is_local_label.
(TARGET_NAME_BACKEND): New macro...
(TARGET_NAME_BACKEND): ... used to name a new variable.
(TARGET_NAME): Define relocs table using bfd_mach_o, reference
Mach-O backend data.
* mach-o-i386.c (i386_howto_table): New variable.
(bfd_mach_o_i386_swap_reloc_in): New function.
(bfd_mach_o_i386_swap_reloc_out): Ditto.
(bfd_mach_o_i386_bfd_reloc_type_lookup): Ditto.
(bfd_mach_o_i386_bfd_reloc_name_lookup): Ditto.
(bfd_mach_o_swap_reloc_in, bfd_mach_o_swap_reloc_out): New macros.
(bfd_mach_o_bfd_reloc_type_lookup)
(bfd_mach_o_bfd_reloc_name_lookup): Ditto.
* mach-o.h (bfd_mach_o_symtab_command): Remove stabs_segment
and stabstr_segment fields.
(mach_o_be_vec, mach_o_le_vec): Removed
(bfd_mach_o_version): New prototype.
* mach-o.c (bfd_mach_o_version): Make this function public.
(mach_o_wide_p): New function.
(bfd_mach_o_wide_p): Ditto.
(bfd_mach_o_convert_section_name_to_bfd): Add prefix only for
weird names.
(bfd_mach_o_convert_section_name_to_mach_o): Fix typo in comment.
Search in the list only if the name starts with a dot.
(bfd_mach_o_write_header): Use mach_o_wide_p instead of hard-coded
test. Check bfd_seek status.
(bfd_mach_o_scan_write_thread): Check bfd_seek status.
(bfd_mach_o_scan_write_section_32): Ditto.
(bfd_mach_o_scan_write_section_64): Ditto.
(bfd_mach_o_scan_write_section): Removed.
(bfd_mach_o_scan_write_segment): Split into ...
(bfd_mach_o_scan_write_segment_32): ... this and ...
(bfd_mach_o_scan_write_segment_64): ... this. Check bfd_seek status.
(bfd_mach_o_scan_write_symtab_symbols): Moved into ...
(bfd_mach_o_scan_write_symtab): ... this. Write symtab from BFD
symbol table. Now returns a boolean.
(bfd_mach_o_write_contents): Set filetype. Check bfd_seek status.
Adjust for status type.
(bfd_mach_o_build_commands): Use mach_o_wide_p instead of hard-coded
test. Write symbol table. Numbers the sections.
(bfd_mach_o_read_header): Check bfd_seek status.
Use mach_o_wide_p instead of hard-coded test.
(bfd_mach_o_scan_read_section_32): Check bfd_seek status.
(bfd_mach_o_scan_read_section_64): Ditto.
(bfd_mach_o_scan_read_symtab_symbol): Ditto. Check bfd_seek status.
Use BFD_MACH_O_N_TYPE instead of hard-coded value. Correctly
handled common symbols.
(bfd_mach_o_scan_read_symtab_strtab): Check bfd_seek status.
(bfd_mach_o_scan_read_dysymtab_symbol): Ditto.
(bfd_mach_o_scan_read_dylinker): Ditto.
(bfd_mach_o_scan_read_dylib): Ditto.
(bfd_mach_o_scan_read_thread): Ditto.
(bfd_mach_o_scan_read_symtab): Ditto.
Do not create a section for the stabs.
(bfd_mach_o_scan_read_uuid): Check bfd_seek status.
(bfd_mach_o_scan_read_segment): Ditto.
(bfd_mach_o_scan_read_command): Ditto.
(bfd_mach_o_scan_start_address): Ditto.
(bfd_mach_o_scan): Use mach_o_wide_p instead of hard-coded test.
(bfd_mach_o_archive_p): Check bfd_seek status.
(bfd_mach_o_core_fetch_environment): Ditto.
* mach-o-i386.c (bfd_mach_o_i386_mkobject): Don't set filetype.
2009-06-06 H.J. Lu <hongjiu.lu@intel.com>
* elf32-i386.c (elf_i386_link_hash_table): Add irelifunc.
(elf_i386_link_hash_table_create): Initialize irelifunc.
(elf_i386_check_relocs): Updated. Set up irelifunc for
shared objects.
(elf_i386_allocate_dynrelocs): Use irelifunc for dynamic
relocation for non-GOT reference of STT_GNU_IFUNC symbol in
shared objects.
(elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (elf64_x86_64_link_hash_table): Add irelifunc.
(elf64_x86_64_link_hash_table_create): Initialize irelifunc.
(elf64_x86_64_check_relocs): Updated. Set up irelifunc for
shared objects.
(elf64_x86_64_allocate_dynrelocs): Use irelifunc for dynamic
relocation for non-GOT reference of STT_GNU_IFUNC symbol in
shared objects.
(elf64_x86_64_relocate_section): Likewise.
* elf-bfd.h (_bfd_elf_create_static_ifunc_sections): Renamed to
...
(_bfd_elf_create_ifunc_sections): This.
* elflink.c (_bfd_elf_create_static_ifunc_sections): Renamd to
...
(_bfd_elf_create_ifunc_sections): This. Create .rel[a].ifunc
for shared objects.
ld/
2009-06-06 H.J. Lu <hongjiu.lu@intel.com>
* scripttempl/elf.sc: Add .rel.ifunc and .rela.ifunc.
* elf32-i386.c (elf_i386_check_relocs): Make room for dynamic
relocation for R_386_32 against STT_GNU_IFUNC symbol when
building shared object. Check info->executable instead of
!info->shared when setting non_got_ref.
(elf_i386_allocate_dynrelocs): Allocate dynamic relocation
for non-GOT reference of STT_GNU_IFUNC symbol in shared
object. Allocate GOT relocation agsinst STT_GNU_IFUNC
symbol if needed.
(elf_i386_relocate_section): Output dynamic relocation for
R_386_32 against STT_GNU_IFUNC symbol to get the real
function address when building shared object.
(elf_i386_finish_dynamic_symbol): Output R_386_GLOB_DAT
relocation for STT_GNU_IFUNC symbol in shared object.
* elf64-x86-64.c (elf64_x86_64_check_relocs): Make room for
dynamic relocation for R_X86_64_64 against STT_GNU_IFUNC
symbol when building shared object. Check info->executable
instead of !info->shared when setting non_got_ref.
(elf64_x86_64_allocate_dynrelocs): Allocate dynamic relocation
for non-GOT reference of STT_GNU_IFUNC symbol in shared
library. Allocate GOT relocation agsinst STT_GNU_IFUNC symbol
if needed.
(elf64_x86_64_relocate_section): Output dynamic relocation
for R_X86_64_64 against STT_GNU_IFUNC symbol to get the real
function address when building shared object.
(elf64_x86_64_finish_dynamic_symbol): Output R_X86_64_GLOB_DAT
relocation for STT_GNU_IFUNC symbol in shared object.
* mach-o.h: Update copyright year.
(bfd_mach_o_mach_header_magic): New enum.
(bfd_mach_o_cpu_subtype): Now an enum.
(BFD_MACH_O_HEADER_SIZE, BFD_MACH_O_HEADER_64_SIZE): New macros.
(BFD_MACH_O_SECTION_SIZE, BFD_MACH_O_SECTION_64_SIZE): Ditto.
(BFD_MACH_O_LC_SEGMENT_SIZE, BFD_MACH_O_LC_SEGMENT_64_SIZE): Ditto.
(bfd_mach_o_load_command): Field type_required is now a boolean.
Reindent prototypes.
(bfd_mach_o_object_p, bfd_mach_o_core_p): Remove.
(bfd_mach_o_bfd_copy_private_symbol_data): Add a prototype.
(bfd_mach_o_bfd_copy_private_section_data): Ditto.
(bfd_mach_o_bfd_copy_private_bfd_data): Ditto.
(bfd_mach_o_get_symtab_upper_bound): Ditto.
(bfd_mach_o_canonicalize_symtab): Ditto.
(bfd_mach_o_get_symbol_info): Ditto.
(bfd_mach_o_print_symbol): Ditto.
(bfd_mach_o_bfd_print_private_bfd_data): Ditto.
(bfd_mach_o_make_empty_symbol): Ditto.
(bfd_mach_o_write_contents): Ditto.
* mach-o.c (bfd_mach_o_object_p, bfd_mach_o_core_p,
bfd_mach_o_mkobject): Defines.
(bfd_mach_o_valid): Returns FALSE/TRUE instead of 0/1.
Do not check with target vector but with flavour.
(struct mach_o_section_name_xlat): New declaration.
(dwarf_section_names_xlat): Ditto.
(text_section_names_xlat): Ditto.
(data_section_names_xlat): Ditto.
(struct mach_o_segment_name_xlat): Ditto.
(segsec_names_xlat): Ditto.
(bfd_mach_o_convert_section_name_to_bfd): New function.
(bfd_mach_o_convert_section_name_to_mach_o): Ditto.
(bfd_mach_o_bfd_copy_private_symbol_data): Make it public.
(bfd_mach_o_bfd_copy_private_section_data): Ditto.
(bfd_mach_o_bfd_copy_private_bfd_data): Ditto.
Accept any input and output flavour. Do not share private data
anymore.
(bfd_mach_o_count_symbols): Add a comment.
(bfd_mach_o_get_symtab_upper_bound): Make it public.
(bfd_mach_o_canonicalize_symtab): Ditto.
(bfd_mach_o_get_symbol_info): Ditto.
(bfd_mach_o_print_symbol): Ditto.
(bfd_mach_o_write_header): Now returns a boolean instead of an int.
Use constants instead of hard-coded values.
(bfd_mach_o_scan_write_section_32): Use constants instead of hard-coded
values.
(bfd_mach_o_scan_write_section_64): Ditto.
(bfd_mach_o_scan_write_segment): Ditto.
Do not copy sections anymore.
(bfd_mach_o_write_contents): Make it public.
Remove dead code. Rewrite typeflag assignment.
(bfd_mach_o_build_commands): New function.
(bfd_mach_o_set_section_contents): Ditto.
(bfd_mach_o_make_empty_symbol): Make it public.
(bfd_mach_o_read_header): Make it static.
Convert to bfd_boolean.
Use constants instead of hard-coded values.
(bfd_mach_o_make_bfd_section): Call
bfd_mach_o_convert_section_name_to_bfd to create name.
(bfd_mach_o_scan_read_section_32): Use constants instead of hard-coded
values.
(bfd_mach_o_scan_read_section_64): Ditto.
(bfd_mach_o_scan_read_segment): Do not create a bfd section for
a segment anymore. Use constants instead of hard-coded values.
(bfd_mach_o_scan_read_command): Fix style.
(bfd_mach_o_scan): Use constants instead of hard-coded values.
Get rid of BFD_IO_FUNCS.
(bfd_mach_o_mkobject_init): Renamed from bfd_mach_o_mkobject.
(bfd_mach_o_header_p): Created from bfd_mach_o_object_p.
(bfd_mach_o_gen_object_p): New function, replaces bfd_mach_o_object_p.
(bfd_mach_o_object_p): Removed.
(bfd_mach_o_gen_core_p): New function, replaces ...
(bfd_mach_o_core_p): ... deleted.
(bfd_mach_o_bfd_print_private_bfd_data): Make it public.
* mach-o-i386.c: New file.
* config.bfd: Use mach_o_i386_vec as targ_defvec for ix86-darwin.
* configure.in (TDEFINES): Add mach_o_i386_vec.
* configure: Regenerated.
* targets.c: Add mach_o_i386_vec.
* mach-o.c: Update copyright years.
(BFD_IO_FUNCS): Remove (was not used).
(bfd_mach_o_mkarchive, bfd_mach_o_read_ar_hdr, bfd_mach_o_slurp_armap
bfd_mach_o_slurp_extended_name_table,
bfd_mach_o_construct_extended_name_table,
bfd_mach_o_truncate_arname, bfd_mach_o_write_armap,
bfd_mach_o_get_elt_at_index, bfd_mach_o_generic_stat_arch_elt,
bfd_mach_o_update_armap_timestamp, bfd_mach_o_close_and_cleanup,
bfd_mach_o_bfd_free_cached_info, bfd_mach_o_new_section_hook,
bfd_mach_o_get_section_contents_in_window,
bfd_mach_o_bfd_is_local_label_name,
bfd_mach_o_bfd_is_target_special_symbol,
bfd_mach_o_bfd_is_local_label_name, bfd_mach_o_get_lineno,
bfd_mach_o_find_nearest_line, bfd_mach_o_find_inliner_info,
bfd_mach_o_bfd_make_debug_symbol, bfd_mach_o_read_minisymbols,
bfd_mach_o_minisymbol_to_symbol,
bfd_mach_o_bfd_get_relocated_section_contents,
bfd_mach_o_bfd_relax_section, bfd_mach_o_bfd_link_hash_table_create,
bfd_mach_o_bfd_link_hash_table_free, bfd_mach_o_bfd_link_add_symbols,
bfd_mach_o_bfd_link_just_syms, bfd_mach_o_bfd_final_link,
bfd_mach_o_bfd_link_split_section, bfd_mach_o_set_arch_mach,
bfd_mach_o_bfd_merge_private_bfd_data,
bfd_mach_o_bfd_set_private_flags, bfd_mach_o_get_section_contents,
bfd_mach_o_bfd_gc_sections, bfd_mach_o_bfd_merge_sections,
bfd_mach_o_bfd_is_group_section, bfd_mach_o_bfd_discard_group,
bfd_mach_o_section_already_linked, bfd_mach_o_bfd_define_common_symbol,
bfd_mach_o_bfd_copy_private_header_data,
bfd_mach_o_core_file_matches_executable_p): Move these defines ...
* mach-o-target.c: ... here.
Update copyright years.
Alan Modra
DJ Delorie
Nick Clifton
Bernd Schmidt
Jan Kratochvil
Nathan Sidwell
Tom Tromey
Jakub Jelinek
Chao-ying Fu
Trevor Smigiel
H.J. Lu
Anthony Green
Hans-Peter Nilsson
Jan Beulich
Doug Kwan
M R Swami Reddy
Michael Snyder
Julian Brown
Dave Korn
Kai Tietz
Tristan Gingold
Christophe Lyon
Phil Blundell
Ulrich Weigand
Maciej W. Rozycki
Paul Pluzhnikov