2011-05-09 Paul Brook <paul@codesourcery.com>

[deliverable/binutils-gdb.git] / bfd / ChangeLog

2011-05-09  Paul Brook  <paul@codesourcery.com>

	* elf32-tic6x.c (elf32_tic6x_gc_mark_extra_sections): New function.
	(elf_backend_gc_mark_extra_sections): Define.

2011-05-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR ld/12365
	* cofflink.c (bfd_coff_link_input_bfd): Check for and warn about
	references to symbols defined in discarded sections.

2011-05-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR ld/12365
	* coffgen.c (coff_write_symbol): Assume input section is its own
	output section if output_section member not set.
	(coff_write_alien_symbol): Likewise.

2011-05-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12730
	* elf.c (_bfd_elf_section_offset): Check SEC_ELF_REVERSE_COPY.

	* elflink.c (elf_link_input_bfd): Reverse copy .ctors/.dtors
	sections if needed. 

	* section.c (SEC_ELF_REVERSE_COPY): New.
	* bfd-in2.h: Regenerated.

2011-05-07  Anders Kaseorg  <andersk@ksplice.com>

	PR 12739
	* libbfd.c (bfd_get_8, bfd_get_signed_8): Use const cast.
	* bfd-in2.h: Regenerate.

2011-05-06  Tristan Gingold  <gingold@adacore.com>

	* vms-alpha.c (evax_section_flags): Remove SEC_IN_MEMORY.
	(_bfd_vms_slurp_egsd): Rename old_flags to vms_flags.  Handle
	any code section.  Add comments.
	(alpha_vms_object_p): Use void * instead of PTR.
	(alpha_vms_create_eisd_for_section): Fix test for setting DZRO.
	(build_module_list): Guard against no DST section.  Add comments.
	(alpha_vms_link_output_symbol): Discard undefined symbols.
	(alpha_vms_get_section_contents): Simply memcpy if the section was
	already loaded.  Fix typo.
	(vms_new_section_hook): Use void * instead of PTR.
	(vms_alpha_vec): Ditto.

2011-05-06  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf32-arm.c (cortex_a8_erratum_scan): If the stub is a Thumb
	branch to a PLT entry, redirect it to the PLT's Thumb entry point.

2011-05-05  Bernd Schmidt  <bernds@codesourcery.com>

	* elf32-tic6x.c (elf32_tic6x_final_link): New function.
	(elf32_tic6x_merge_attributes): Do not warn for PID or PIC
	mismatch.  Choose the lower of the two values.
	(bfd_elf32_bfd_final_link): New macro.

2011-04-28  Tristan Gingold  <gingold@adacore.com>

	* coff-rs6000.c (_bfd_xcoff_swap_aux_in): Adjust for x_file.
	(bfd_xcoff_swap_aux_out): Ditto.
	* coff64-rs6000.c (_bfd_xcoff64_swap_aux_in): Ditto.
	(bfd_xcoff64_swap_aux_out): Ditto.

2011-05-04  Alan Modra  <amodra@gmail.com>

	PR ld/12727
	* elf64-ppc.c (ppc_build_one_stub <ppc_sub_plt_call>): Clear
	was_undefined on dot-symbols.

2011-05-03  Paul Brook  <paul@codesourcery.com>


	* elf32-tic6x.c (elf32_tic6x_howto_table,
	elf32_tic6x_howto_table_rel, (elf32_tic6x_gc_sweep_hook,
	elf32_tic6x_relocate_section, elf32_tic6x_check_relocs):
	Add R_C6000_EHTYPE.

2011-05-01  Alan Modra  <amodra@gmail.com>

	PR ld/12718
	* elf32-i386.c (elf_i386_check_relocs): Ensure dynobj set before
	creating ifunc sections.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.

2011-04-30  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_merge_symbol): Correct parameter
	names.

2011-04-28  Tom Tromey  <tromey@redhat.com>

	* bfdio.c (memory_bstat): Pass correct size to memset.

2011-04-28  Mike Frysinger  <vapier@gentoo.org>

	* dwarf2.c (dwarf_debug_sections): Mark const.
	* elf.c (special_sections): Likewise.
	* libbfd-in.h (dwarf_debug_sections): Likewise.
	* libbfd.h: Regenerate.

2011-04-26  Kai Tietz  <ktietz@redhat.com>

	* coffcode.h (sec_to_styp_flags): Allow linkonce for
	debugging sections.

2011-04-26  Tristan Gingold  <gingold@adacore.com>

	* coff64-rs6000.c: Convert to ISO-C.  Remove PARAMS and PTR macros.

2011-04-24  Alan Modra  <amodra@gmail.com>

	PR ld/12365
	PR ld/12696
	* coff-aux.c (coff_m68k_aux_link_add_one_symbol): Update "notice" call.
	* linker.c (_bfd_link_hash_newfunc): Clear bitfields.
	(_bfd_generic_link_add_one_symbol): Update "notice" call.
	* elflink.c (_bfd_elf_merge_symbol): Don't skip weak redefs when
	it is a redef of an IR symbol in a real BFD.

2011-04-22  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_readonly_dynrelocs): Warn relocation
	in readonly section in a shared object.
	(elf_i386_size_dynamic_sections): Likewise.
	* elf64-x86-64.c (elf_x86_64_readonly_dynrelocs): Likewise.
	(elf_x86_64_size_dynamic_sections): Likewise.

2011-04-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12694
	* elf32-i386.c (elf_i386_readonly_dynrelocs): Skip local IFUNC
	symbols.
	* elf64-x86-64.c (elf_x86_64_readonly_dynrelocs): Likewise.

2011-04-21  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_finish_dynamic_symbol): Return false
	on dynamic symbol error.
	* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Likewise.

2011-04-20  Tristan Gingold  <gingold@adacore.com>

	* config.bfd (alpha*-*-*vms*, ia64*-*-*vms*): Define targ_selvecs.

2011-04-20  Alan Modra  <amodra@gmail.com>

	* hash.c (bfd_default_hash_table_size): Make it an unsigned long.
	(bfd_hash_table_init_n): Overflow checking.
	(bfd_hash_set_default_size): Return current size.  Take unsigned long
	arg.  Add 65537 to hash_size primes.
	* bfd-in.h (bfd_hash_set_default_size): Update prototype.
	* bfd-in2.h: Regenerate.

2011-04-20  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* elf-bfd.h (RELOC_AGAINST_DISCARDED_SECTION): Fix +1 overrun of
	memmove elements.

2011-04-20  Alan Modra  <amodra@gmail.com>

	* libbfd.c (bfd_log2): Do return rounded up value.
	* elflink.c (bfd_elf_size_dynsym_hash_dynstr): Replace bfd_log2
	call with expanded old round down version of the function.

	* archive.c (_bfd_get_elt_at_filepos): Don't release n_nfd.
	* elflink.c (elf_link_add_object_symbols): Delete redundant code.

2011-04-20  Alan Modra  <amodra@gmail.com>

	PR ld/12365
	* elfcode.h (elf_slurp_symbol_table): Put common plugin IR symbols
	in their own common section.
	* elflink.c (elf_link_add_object_symbols): Likewise.
	* linker.c (generic_link_check_archive_element): Don't lose flags
	if common section is pre-existing.
	(_bfd_generic_link_add_one_symbol): Likewise.

2011-04-20  Alan Modra  <amodra@gmail.com>

	PR ld/12365
	* elflink.c (_bfd_elf_merge_symbol): Update multiple_common calls.
	* linker.c (_bfd_generic_link_add_one_symbol): Likewise.  Call
	multiple_definition regardless of allow_multiple_definition.
	* simple.c (simple_dummy_multiple_definition): Update.
	* xcofflink.c (xcoff_link_add_symbols): Update multiple_definition
	calls.

2011-04-18  Tristan Gingold  <gingold@adacore.com>

	* coff-rs6000.c: Convert to ISO-C.  Remove PARAMS macro.

2011-04-18  Alan Modra  <amodra@gmail.com>

	PR ld/12365
	PR ld/12672
	* bfd.c (BFD_PLUGIN): Define.
	(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
	* bfd-in2.h: Regenerate.
	* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
	* opncls.c (bfd_make_readable): Don't lose original bfd flags.

2011-04-17  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Do not check for
	SEC_LOAD.

2011-04-15  Sergio Durigan Junior  <sergiodj@redhat.com>

	* elf-bfd.h (struct sdt_note): New struct.
	(struct elf_obj_tdata) <sdt_note_head>: New field.
	* elf.c (elfobj_grok_stapsdt_note_1): New function.
	(elfobj_grok_stapsdt_note): Likewise.
	(elf_parse_notes): Added code to treat SystemTap note
	sections.

2011-04-12  Richard Henderson  <rth@redhat.com>

	* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Do not
	exclude empty .got sections.

2011-04-11  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_reloc_type_lookup): Fix the out of bound
	array access for BFD_RELOC_386_IRELATIVE.

2011-04-11  Bernd Schmidt  <bernds@codesourcery.com>

	* elf32-tic6x.c (elf32_tic6x_check_relocs): Initialize pc_count field.

2011-04-11  Mark Wielaard  <mjw@redhat.com>

	PR 10549
	* elf-bfd.h (has_ifunc_symbols): Renamed to has_gnu_symbols.
	(has_gnu_symbols): Renamed from has_ifunc_symbols.
	* elf.c (_bfd_elf_set_osabi): Use new has_gnu_symbols name.
	* elf32-arm.c (elf32_arm_add_symbol_hook): Set has_gnu_symbols
	also if STB_GNU_UNIQUE symbol binding was seen.
	* elf32-i386.c (elf_i386_add_symbol_hook): Likewise.
	* elf32-ppc.c (ppc_elf_add_symbol_hook): Likewise.
	* elf32-sparc.c (elf32_sparc_add_symbol_hook): Likewise.
	* elf64-ppc.c (ppc64_elf_add_symbol_hook): Likewise.
	* elf64-sparc.c (elf64_sparc_add_symbol_hook): Likewise.
	* elf64-x86-64.c (elf_x86_64_add_symbol_hook): Likewise.

2011-04-11  Alan Modra  <amodra@gmail.com>

	* bfd-in.h (bfd_get_section_limit): Don't use rawsize with output
	sections.
	* libbfd.c (_bfd_generic_get_section_contents): Likewise.
	(_bfd_generic_get_section_contents_in_window): Likewise.
	* section.c (bfd_get_section_contents): Likewise.
	* compress.c (bfd_get_full_section_contents): Likewise.
	* elf32-rx.c (rx_final_link): Ignore rawsize.
	* elf32-microblaze.c (microblaze_elf_relocate_section): Use correct
	bfd with bfd_get_section_limit.
	* elfxx-ia64.c (elfNN_ia64_choose_gp): Add "final" parameter.  Use
	os->size during final link.  Update callers.
	* bfd-in2.h: Regenerate.

2011-04-10  Richard Sandiford  <rdsandiford@googlemail.com>

	PR ld/12637
	* elfxx-mips.c (mips_elf_merge_got_with): Use arg->global_count
	as the number of global entries when merging with the primary GOT.

2011-04-09  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c: Update copyright year.
	* elf64-x86-64.c: Likewise.

2011-04-09  Kai Tietz  <ktietz@redhat.com>

	* peXXigen.c (_bfd_XXi_final_link_postscripte): Sort pdata in temporary
	buffer and use rawsize for sorting.
	* coffcode.h (coff_compute_section_file_positions): Set rawsize
	before doing alignment.

2011-04-09  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_relocate_section): Return relocation
	error on unsupported relocation.
	* elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.

2011-04-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/12657
	* hosts/x86-64linux.h (elf_prstatus32): Replace __pid_t with
	pid_t.

2011-04-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12654
	* elf32-i386.c (elf_i386_relocate_section): Check !executable
	instead of shared for R_386_TLS_LDO_32.

2011-04-08  Tristan Gingold  <gingold@adacore.com>

	* Makefile.am (SOURCE_HFILES): Remove xcoff-target.h
	* coff-pmac: Remove
	* xcoff-target.h: Remove
	* Makefile.in: Regenerate.

2011-04-07  Cary Coutant  <ccoutant@google.com>

	* dwarf2.c (scan_unit_for_symbols): Check for DW_AT_specification.

2011-04-07  Paul Brook  <paul@codesourcery.com>

	* elf32-tic6x.c (elf32_tic6x_howto_table): R_C6000_PREL31 is
	pc-relative.
	(elf32_tic6x_howto_table_rel): Ditto.
	(elf32_tic6x_relocate_section): Implement R_C6000_PREL31.
	(elf32_tic6x_check_relocs): Ditto.

2011-04-06  Joseph Myers  <joseph@codesourcery.com>

	* config.bfd (thumb-*-oabi): Don't handle in list of obsolete
	targets.
	(strongarm*, thumb*, xscale*): Remove architectures.
	(strongarm-*-kaos*, thumb-*-coff, thumb-*-elf, thumb-epoc-pe*,
	thumb-*-pe*, strongarm-*-elf, strongarm-*-coff, xscale-*-elf,
	xscale-*-coff): Remove targets.

2011-04-01  Tristan Gingold  <gingold@adacore.com>

	* elfxx-ia64.c: include bfd_stdint.h

2011-03-31  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* elf32-tic6x.c (elf32_tic6x_relocate_section): Remove unused variable
	dynobj and its initialization.

2011-03-31  Tristan Gingold  <gingold@adacore.com>

	* makefile.vms (DEFS): Add HAVE_bfd_elf64_ia64_vms_vec.
	* configure.com: Set BFD_HOST_64BIT_LONG_LONG and
	BFD_HOST_LONG_LONG to 1.

2011-03-31  Tristan Gingold  <gingold@adacore.com>

	* vms-alpha.c (vms_get_remaining_object_record): Fix dec-c warning.
	(_bfd_vms_write_etir): Ditto.
	(_bfd_vms_slurp_etir): Avoid to use intptr_t
	* configure.com: Generate bfd_stdint.h

2011-03-31  Bernd Schmidt  <bernds@codesourcery.com>

	* elf32-tic6x.h (struct elf32_tic6x_params): New.
	(elf32_tic6x_setup): Declare.
	* elf32-tic6x.c: Include <limits.h>.
	(ELF_DYNAMIC_LINKER, DEFAULT_STACK_SIZE, PLT_ENTRY_SIZE): Define.
	(struct elf32_tic6x_link_hash_table, struct elf32_link_hash_entry):
	New structures.
	(elf32_tic6x_link_hash_table, is_tic6x_elf): New macros.
	(tic6x_elf_scom_section, tic6x_elf_scom_symbol,
	tic6x_elf_scom_symbol_ptr): New static variables.
	(elf32_tic6x_howto_table, elf32_tic6x_howto_table_rel,
	elf32_tic6x_reloc_map): Add R_C6000_JUMP_SLOT, R_C6000_EHTYPE,
	R_C6000_PCR_H16 and R_C6000_PCR_L16.
	(elf32_tic6x_link_hash_newfunc, elf32_tic6x_link_hash_table_create,
	elf32_tic6x_link_hash_table_free, elf32_tic6x_setup,
	elf32_tic6x_using_dsbt, elf32_tic6x_install_rela,
	elf32_tic6x_create_dynamic_sections, elf32_tic6x_make_got_dynreloc,
	elf32_tic6x_finish_dynamic_symbol, elf32_tic6x_gc_sweep_hook,
	elf32_tic6x_adjust_dynamic_symbol): New static functions.
	(elf32_tic6x_relocate_section): For R_C6000_PCR_S21, convert branches
	to weak symbols as required by the ABI.
	Handle GOT and DSBT_INDEX relocs, and copy relocs to the output file
	as needed when generating DSBT output.
	(elf32_tic6x_check_relocs, elf32_tic6x_add_symbol_hook,
	elf32_tic6x_symbol_processing, elf32_tic6x_section_from_bfd_section,
	elf32_tic6x_allocate_dynrelocs, elf32_tic6x_size_dynamic_sections,
	elf32_tic6x_always_size_sections, elf32_tic6x_modify_program_headers,
	elf32_tic6x_finish_dynamic_sections, elf32_tic6x_plt_sym_val,
	elf32_tic6x_copy_private_data, elf32_tic6x_link_omit_section_dynsym):
	New static functions.
	(ELF_MAXPAGESIZE): Define to 0x1000.
	(bfd_elf32_bfd_copy_private_bfd_data,
	bfd_elf32_bfd_link_hash_table_create,
	bfd_elf32_bfd_link_hash_table_free, elf_backend_can_refcount,
	elf_backend_want_got_plt, elf_backend_want_dynbss,
	elf_backend_plt_readonly, elf_backend_got_header_size,
	elf_backend_gc_sweep_hook, elf_backend_modify_program_headers,
	elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol,
	elf_backend_check_relocs, elf_backend_add_symbol_hook,
	elf_backend_symbol_processing, elf_backend_link_output_symbol_hook,
	elf_backend_section_from_bfd_section,
	elf_backend_finish_dynamic_symbol, elf_backend_always_size_sections,
	elf32_tic6x_size_dynamic_sections, elf_backend_finish_dynamic_sections,
	elf_backend_omit_section_dynsym, elf_backend_plt_sym_val): Define.

	* bfd/reloc.c (BFD_RELOC_C6000_JUMP_SLOT, BFD_RELOC_C6000_EHTYPE,
	BFD_RELOC_C6000_PCR_H16, BFD_RELOC_C6000_PCR_S16): Add.
	* bfd/bfd-in2.h: Regenerate.
	* bfd/libbfd.h: Regenerate.
	* config.bfd: Accept tic6x-*-* instead of tic6x-*-elf.

2011-03-31  Tristan Gingold  <gingold@adacore.com>

	* coffcode.h (coff_slurp_symbol_table): Silently discard C_NULL
	entry on xcoff when value is C_NULL_VALUE.

2011-03-31  Tristan Gingold  <gingold@adacore.com>

	* libcoff-in.h (exec_hdr): Remove.
	* libcoff.h: Regenerate.

2011-03-30  Nick Clifton  <nickc@redhat.com>

	* po/da.po: Updated Danish translation.

2011-03-29  Richard Henderson  <rth@redhat.com>

	* elf64-alpha.c (elf64_alpha_gc_mark_hook): New.
	(elf64_alpha_gc_sweep_hook): New.
	(elf_backend_gc_mark_hook, elf_backend_gc_sweep_hook): New.
	(elf_backend_can_gc_sections): New.

2011-03-26  John Marino  <binutils@marino.st>

	* config.bfd: Add x86_64-*-dragonfly*, fix i386-*-dragonfly*.
	* configure.in: Delete unused bfd_elf32_i386_dragonfly_vec.
	* configure: Regenerate.

2011-03-25  Michael Snyder  <msnyder@vmware.com>

	* coffcode.h (coff_set_alignment_hook): Check return of bfd_seek.

2011-03-25  Tristan Gingold  <gingold@adacore.com>

	* vms-alpha.c (_bfd_vms_find_nearest_dst_line): Allow the use
	of find_nearest_line on object files.

2011-03-25  Tristan Gingold  <gingold@adacore.com>

	* vms-alpha.c (evax_section_flags): Make $CODE$ section read-only.
	Minor reordering.
	(alpha_vms_create_eisd_for_section): Make code sections read-only.

2011-03-24  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_tls_optimize): Catch more cases where
	old-style __tls_get_addr calls without marker relocs don't match
	their arg setup insn one for one.  If such mismatches are found
	report the reloc and don't do any tls optimization.
	* elf64-ppc.c (ppc64_elf_tls_optimize): Likewise.

2011-03-22  Eric B. Weddington  <eric.weddington@atmel.com>

	* bfd-in2.h: Regenerate.

2011-03-22  Eric B. Weddington  <eric.weddington@atmel.com>

	* archures.c: Add AVR XMEGA architecture information.
	* cpu-avr.c (arch_info_struct): Likewise.
	* elf32-avr.c (bfd_elf_avr_final_write_processing): Likewise.
	(elf32_avr_object_p): Likewise.

2011-03-14  Richard Sandiford  <richard.sandiford@linaro.org>

	* reloc.c (BFD_RELOC_ARM_IRELATIVE): New relocation.
	* bfd-in2.h: Regenerate.
	* elf32-arm.c (elf32_arm_howto_table_2): Rename existing definition
	to elf32_arm_howto_table_3 and replace with a single R_ARM_IRELATIVE
	entry.
	(elf32_arm_howto_from_type): Update accordingly.
	(elf32_arm_reloc_map): Map BFD_RELOC_ARM_IRELATIVE to R_ARM_IRELATIVE.
	(elf32_arm_reloc_name_lookup): Handle elf32_arm_howto_table_3.
	(arm_plt_info): New structure, split out from elf32_arm_link_hash_entry
	with an extra noncall_refcount field.
	(arm_local_iplt_info): New structure.
	(elf_arm_obj_tdata): Add local_iplt.
	(elf32_arm_local_iplt): New accessor macro.
	(elf32_arm_link_hash_entry): Replace plt_thumb_refcount,
	plt_maybe_thumb_refcount and plt_got_offset with an arm_plt_info.
	Change tls_type to a bitfield and add is_iplt.
	(elf32_arm_link_hash_newfunc): Update accordingly.
	(elf32_arm_allocate_local_sym_info): New function.
	(elf32_arm_create_local_iplt): Likewise.
	(elf32_arm_get_plt_info): Likewise.
	(elf32_arm_plt_needs_thumb_stub_p): Likewise.
	(elf32_arm_get_local_dynreloc_list): Likewise.
	(create_ifunc_sections): Likewise.
	(elf32_arm_copy_indirect_symbol): Update after the changes to
	elf32_arm_link_hash_entry.  Assert the is_iplt has not yet been set.
	(arm_type_of_stub): Add an st_type argument.  Use elf32_arm_get_plt_info
	to get PLT information.  Assert that all STT_GNU_IFUNC references
	are turned into PLT references.
	(arm_build_one_stub): Pass the symbol type to
	elf32_arm_final_link_relocate.
	(elf32_arm_size_stubs): Pass the symbol type to arm_type_of_stub.
	(elf32_arm_allocate_irelocs): New function.
	(elf32_arm_add_dynreloc): In static objects, use .rel.iplt for
	all R_ARM_IRELATIVE.
	(elf32_arm_allocate_plt_entry): New function.
	(elf32_arm_populate_plt_entry): Likewise.
	(elf32_arm_final_link_relocate): Add an st_type parameter.
	Set srelgot to null for static objects.  Use separate variables
	to record which st_value and st_type should be used when generating
	a dynamic relocation.  Use elf32_arm_get_plt_info to find the
	symbol's PLT information, setting has_iplt_entry, splt,
	plt_offset and gotplt_offset accordingly.  Check whether
	STT_GNU_IFUNC symbols should resolve to an .iplt entry, and change
	the relocation target accordingly.  Broaden assert to include
	.iplts.  Don't set sreloc for static relocations.  Assert that
	we only generate dynamic R_ARM_RELATIVE relocations for R_ARM_ABS32
	and R_ARM_ABS32_NOI.  Generate R_ARM_IRELATIVE relocations instead
	of R_ARM_RELATIVE relocations if the target is an STT_GNU_IFUNC
	symbol.  Pass the symbol type to arm_type_of_stub.  Conditionally
	resolve GOT references to the .igot.plt entry.
	(elf32_arm_relocate_section): Update the call to
	elf32_arm_final_link_relocate.
	(elf32_arm_gc_sweep_hook): Use elf32_arm_get_plt_info to get PLT
	information.  Treat R_ARM_REL32 and R_ARM_REL32_NOI as call
	relocations in shared libraries and relocatable executables.
	Count non-call PLT references.  Use elf32_arm_get_local_dynreloc_list
	to get the list of dynamic relocations for a local symbol.
	(elf32_arm_check_relocs): Always create ifunc sections.  Set isym
	at the same time as setting h.  Use elf32_arm_allocate_local_sym_info
	to allocate local symbol information.  Treat R_ARM_REL32 and
	R_ARM_REL32_NOI as call relocations in shared libraries and
	relocatable executables.  Record PLT information for local
	STT_GNU_IFUNC functions as well as global functions.   Count
	non-call PLT references.  Use elf32_arm_get_local_dynreloc_list
	to get the list of dynamic relocations for a local symbol.
	(elf32_arm_adjust_dynamic_symbol): Handle STT_GNU_IFUNC symbols.
	Don't remove STT_GNU_IFUNC PLTs unless all references have been
	removed.  Update after the changes to elf32_arm_link_hash_entry.
	(allocate_dynrelocs_for_symbol): Decide whether STT_GNU_IFUNC PLT
	entries should live in .plt or .iplt.  Check whether the .igot.plt
	and .got entries can be combined.  Use elf32_arm_allocate_plt_entry
	to allocate .plt and .(i)got.plt entries.  Detect which .got
	entries will need R_ARM_IRELATIVE relocations and use
	elf32_arm_allocate_irelocs to allocate them.  Likewise other
	non-.got dynamic relocations.
	(elf32_arm_size_dynamic_sections): Allocate .iplt, .igot.plt
	and dynamic relocations for local STT_GNU_IFUNC symbols.
	Check whether the .igot.plt and .got entries can be combined.
	Detect which .got entries will need R_ARM_IRELATIVE relocations
	and use elf32_arm_allocate_irelocs to allocate them.  Use stashed
	section pointers intead of strcmp checks.  Handle iplt and igotplt.
	(elf32_arm_finish_dynamic_symbol): Use elf32_arm_populate_plt_entry
	to fill in .plt, .got.plt and .rel(a).plt entries.  Point
	STT_GNU_IFUNC symbols at an .iplt entry if non-call relocations
	resolve to it.
	(elf32_arm_output_plt_map_1): New function, split out from
	elf32_arm_output_plt_map.  Handle .iplt entries.  Use
	elf32_arm_plt_needs_thumb_stub_p.
	(elf32_arm_output_plt_map): Call it.
	(elf32_arm_output_arch_local_syms): Add mapping symbols for
	local .iplt entries.
	(elf32_arm_swap_symbol_in): Handle Thumb STT_GNU_IFUNC symbols.
	(elf32_arm_swap_symbol_out): Likewise.
	(elf32_arm_add_symbol_hook): New function.
	(elf_backend_add_symbol_hook): Define for all targets.

2011-03-14  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf-bfd.h (elf_link_hash_entry): Add target_internal.
	* elf.c (swap_out_syms): Set st_target_internal for each
	Elf_Internal_Sym.
	* elfcode.h (elf_swap_symbol_in): Likewise.
	* elf32-i370.c (i370_elf_finish_dynamic_sections): Likewise.
	* elf32-sh-symbian.c (sh_symbian_relocate_section): Likewise.
	* elf64-sparc.c (elf64_sparc_output_arch_syms): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Likewise.
	* elflink.c (elf_link_output_extsym): Likewise.
	(bfd_elf_final_link): Likewise.
	(elf_link_add_object_symbols): Copy st_target_internal
	to the hash table if we see a definition.
	(_bfd_elf_copy_link_hash_symbol_type): Copy target_internal.
	* elf32-arm.c (elf32_arm_stub_hash_entry): Replace st_type with
	a branch_type field.
	(a8_erratum_fix, a8_erratum_reloc): Likewise.
	(arm_type_of_stub): Replace actual_st_type with an
	actual_branch_type parameter.
	(arm_build_one_stub): Use branch types rather than st_types to
	determine the type of branch.
	(cortex_a8_erratum_scan): Likewise.
	(elf32_arm_size_stubs): Likewise.
	(bfd_elf32_arm_process_before_allocation): Likewise.
	(allocate_dynrelocs_for_symbol): Likewise.
	(elf32_arm_finish_dynamic_sections): Likewise.
	(elf32_arm_final_link_relocate): Replace sym_flags parameter with
	a branch_type parameter.
	(elf32_arm_relocate_section): Update call accordingly.
	(elf32_arm_adjust_dynamic_symbol): Don't check STT_ARM_TFUNC.
	(elf32_arm_output_map_sym): Initialize st_target_internal.
	(elf32_arm_output_stub_sym): Likewise.
	(elf32_arm_symbol_processing): Delete.
	(elf32_arm_swap_symbol_in): Convert STT_ARM_TFUNCs into STT_FUNCs.
	Use st_target_internal to record the branch type.
	(elf32_arm_swap_symbol_out): Use st_target_internal to test for
	Thumb functions.
	(elf32_arm_is_function_type): Delete.
	(elf_backend_symbol_processing): Likewise.
	(elf_backend_is_function_type): Likewise.

2011-03-14  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf32-arm.c (elf32_arm_check_relocs): Always assign a dynobj.
	(elf32_arm_finish_dynamic_sections): Move sgot != NULL assertion
	into the PLT block.

2011-03-14  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf32-arm.c (elf32_arm_check_relocs): Use call_reloc_p,
	may_need_local_target_p and may_become_dynamic_p to classify
	the relocation type.  Don't check info->symbolic or h->def_regular
	when deciding whether to record a potential dynamic reloc.
	Don't treat potential dynamic relocs as PLT references.
	(elf32_arm_gc_sweep_hook): Update to match.  Assert that we don't
	try to make the PLT reference count go negative.

2011-03-14  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf32-arm.c (elf32_arm_final_link_relocate): Always fill in the
	GOT entry here, rather than leaving it to finish_dynamic_symbol.
	Only create a dynamic relocation for local references if
	info->shared.
	(allocate_dynrelocs_for_symbol): Update dynamic relocation
	allocation accordingly.
	(elf32_arm_finish_dynamic_symbol): Don't initialise the GOT entry here.

2011-03-14  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf32-arm.c (elf32_arm_allocate_dynrelocs): New function.
	(elf32_arm_add_dynreloc): Likewise.
	(elf32_arm_adjust_dynamic_symbol): Use elf32_arm_allocate_dynrelocs
	to allocate dynamic relocations.
	(elf32_arm_size_dynamic_sections): Likewise.
	(allocate_dynrelocs): Likewise.  Rename to
	allocate_dynrelocs_for_symbol.
	(elf32_arm_final_link_relocate): Use elf32_arm_add_dynreloc to
	create dynamic relocations.
	(elf32_arm_finish_dynamic_symbol): Likewise.

2011-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_check_tls_transition): Supprt TLS
	x32 GD->IE and GD->LE transitions.
	(elf_x86_64_relocate_section): Supprt TLS x32 GD->IE, GD->LE
	and LD->LE transitions.

2011-03-10  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_relocate_section): Provide section/offset
	for LO_DS error message and correct multiple.

2011-03-10  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (bfd_elf64_bfd_link_just_syms): Define.
	(ppc64_elf_link_just_syms): New function.
	(opd_entry_value): Don't assume big-endian host.
	(get_r2off): New function.
	(ppc_build_one_stub, ppc_size_one_stub): Use it here.

2011-03-06  Michael Snyder  <msnyder@vmware.com>

	* compress.c (bfd_compress_section_contents): Check for out of mem.

	* elf64-x86-64.c (elf_x86_64_relocate_section): Document
	that case statement falls through intentionally.

	* elf32-i386.c (elf_i386_relocate_section): Document fall through.

2011-03-04  Alan Modra  <amodra@gmail.com>

	* archive.c (bsd_write_armap): Don't call stat in deterministic
	mode, and don't use st_mtime if stat returns error.

2011-03-03  Michael Snyder  <msnyder@vmware.com>

	* elf64-x86-64.c (elf_x86_64_relocate_section): Remove dead code.

	* coff-x86_64.c (coff_amd64_rtype_to_howto): Fencepost error.

	* aoutx.h (aout_final_link): Use sizeof int not sizeof int*.
	(aout_link_write_other_symbol): Missing break statement.

	* dwarf2.c (scan_unit_for_symbols): Stop memory leak.

	* archive.c (_bfd_slurp_extended_name_table): Fail if bfd_seek fails.

2011-03-03  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_check_tls_transition): Supprt TLS
	x32 IE->LE transition.
	(elf_x86_64_relocate_section): Likewise.

2011-03-02  Bernd Schmidt  <bernds@codesourcery.com>

	* elflink.c (is_reloc_section): Remove function.
	(get_dynamic_reloc_section_name): Construct string manually.

2011-02-28  Kai Tietz  <kai.tietz@onevision.com>

	* archive.c (_bfd_find_nested_archive): Use filename_(n)cmp.
	(adjust_relative_path): Likewise.
	(_bfd_construct_extended_name_table): Likewise.
	* corefile.c (generic_core_file_matches_executable_p): Likewise.
	* elf32-bfin.c (bfinfdpic_relocate_section): Likewise.
	* elf32-frv.c (elf32_frv_relocate_section): Likewise.
	* elf32-spu.c (sort_bfds): Likewise.
	(spu_elf_auto_overlay): Likewise.
	* syms.c (_bfd_stab_section_find_nearest_line): Likewise.
	* xcofflink.c (xcoff_set_import_path): Likewise.
	* xtensa-isa.c (xtensa_regfile_lookup): Likewise.
	(xtensa_regfile_lookup_shortname): Likewise.

2011-02-28  Alan Modra  <amodra@gmail.com>

	PR 12513
	* archive.c (bfd_slurp_bsd_armap_f2): Sanity check parsed_size and
	stringsize.  Properly sanity check symdef_count.  Remove redundant
	bfd_release.

2011-02-25  Rafael Ávila de Espíndola <respindola@mozilla.com>

	* plugin.c (bfd_plugin_object_p): Correctly set the filesize
	and handle claim_file seeking. Only try to load the plugin once.

2011-02-22  Andreas Schwab  <schwab@redhat.com>

	* elf32-m68k.c (elf_m68k_finish_dynamic_symbol): For a TLS_GD
	relocation read the value from the second GOT slot.

2011-02-15  Tristan Gingold  <gingold@adacore.com>

	* vms-alpha.c (alpha_vms_link_add_archive_symbols): Add a comment.

2011-02-15  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_edit_toc): Reinstate second read of
	toc relocs.  Fuss over free(NULL).

2011-02-14  Mike Frysinger  <vapier@gentoo.org>

	* elflink.c (bfd_elf_size_dynamic_sections): Add
	bfd_get_symbol_leading_char to the start of newname.

2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2011-02-09  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_edit_toc): Don't free toc relocs until
	we are done.  When optimising large toc, check that a global
	symbol on a toc reloc is defined in a kept section.

2011-02-08  Nick Clifton  <nickc@redhat.com>

	PR binutils/12467
	* elf.c (assign_file_positions_for_load_sections): Set the program
	header offset and entry size to zero if there are no program
	headers.

2011-02-08  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_edit_toc): Don't segfault on NULL
	local_syms when looking for local symbols in .toc.

2011-02-01  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_next_input_section): Use elf_gp value
	for toc pointer on any section having makes_toc_func_call set.
	(check_pasted_section): Ensure pasted .init/.fini fragments use
	the same toc if any has makes_toc_func_call set.

2011-01-28  Joseph Myers  <joseph@codesourcery.com>

	* elf32-ppc.c (ppc_elf_link_hash_newfunc): Initialize has_sda_refs
	field.

2011-01-22  Richard Sandiford  <rdsandiford@googlemail.com>

	* elfxx-mips.c (_bfd_mips_elf_merge_private_bfd_data): Ignore
	common sections too.

2011-01-18  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_backend_want_plt_sym): Redefine to 0 after
	Solaris target.

2011-01-18  Pierre Muller  <muller@ics.u-strasbg.fr>

	Fix compilation for mingw64.
	* coffcode.h (coff_slurp_symbol_table): Add intptr_t intermediate
	typecast to avoid warning.
	* elf32-rx.c: Add "bfd_stdint.h" include required for int32_t type
	usage.
	* elfxx-ia64.c (elfNN_ia64_relax_br): Use intptr_t typeacast instead
	of long for pointer to avoid warning.
	(elfNN_ia64_relax_brl): Idem.
	(elfNN_ia64_install_value): Idem.
	* vms-alpha.c (_bfd_vms_slurp_etir): Idem.

2011-01-17  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf32-arm.c (elf32_arm_check_relocs): Check needs_plt rather than
	h->needs_plt when deciding whether to record a possible dynamic reloc.

2011-01-17  Richard Sandiford  <richard.sandiford@linaro.org>

	* elf32-arm.c (elf32_arm_gc_sweep_hook): Remove all registered
	dynamic relocs for the removed section.

2011-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_check_relocs): Check invalid x32
	relocations.

2011-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_link_hash_table): Add pointer_r_type.
	(elf_x86_64_link_hash_table_create): Set pointer_r_type.
	(elf_x86_64_check_relocs): Handle R_X86_64_32 like R_X86_64_64
	for ILP32.  Remove ABI_64_P PIC check for R_X86_64_8,
	R_X86_64_16, R_X86_64_32 and R_X86_64_32S.
	(elf_x86_64_relocate_section):  Handle R_X86_64_32 like R_X86_64_64
	for ILP32.

2011-01-14  Alan Modra  <amodra@gmail.com>

	* bfd.c (bfd_perror): Flush stdout before and stderr after printing
	error.
	(_bfd_default_error_handler): Likewise.
	* elf.c (print_segment_map): Likewise.
	* libbfd.c (warn_deprecated): Likewise.
	* som.c (som_sizeof_headers): No need to do so here.
	* coff-i860.c: Replace use of printf for error messages with
	_bfd_error_handler.
	* coff-ppc.c: Likewise.
	* coff-sh.c: Likewise.
	* elf32-bfin.c: Likewise.
	* elf32-dlx.c: Likewise.
	* elf32-mep.c: Likewise.
	* elf32-v850.c: Likewise.
	* mach-o.c: Likewise.
	* pef.c: Likewise.

2011-01-13  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_link_hash_table): Remove
	swap_reloca_out.
	(elf_x86_64_link_hash_table_create): Don't set swap_reloca_out.
	(elf_x86_64_check_relocs): Align relocation section to 4 byte
	for 32bit.
	(elf_x86_64_gc_sweep_hook): Replace ELF64_ST_TYPE with
	ELF_ST_TYPE.
	(elf_x86_64_finish_dynamic_symbol): Updated.
	(elf_x86_64_finish_dynamic_sections): Don't use
	Elf64_External_Dyn, bfd_elf64_swap_dyn_in, nor
	bfd_elf64_swap_dyn_out.

2011-01-14  J. Park  <grassman@gmail.com>

	PR ld/12339
	* elf32-arm.c (allocate_dynrelocs): Don't set up eh before
	following bfd_link_hash_warning symbol link.

2011-01-10  Nathan Sidwell  <nathan@codesourcery.com>
	    Glauber de Oliveira Costa  <glommer@gmail.com>

	* reloc.c (BFD_RELOC_ARM_TLS_GOTDESC, BFD_RELOC_ARM_TLS_CALL,
	BFD_RELOC_ARM_THM_TLS_CALL, BFD_RELOC_ARM_TLS_DESCSEQ,
	BFD_RELOC_ARM_THM_TLS_DESCSEQ, BFD_RELOC_ARM_TLS_DESC): New
	relocations.
	* libbfd.h: Rebuilt.
	* bfd-in2.h: Rebuilt.
	* elf32-arm.c (elf32_arm_howto_table_1): Add new relocations.
	(elf32_arm_reloc_map): Likewise.
	(tls_trampoline, dl_tlsdesc_lazy_trampoline): New PLT templates.
	(elf32_arm_stub_long_branch_any_tls_pic,
	elf32_arm_stub_long_branch_v4t_thumb_tls_pic): New stub templates.
	(DEF_STUBS): Add new stubs.
	(struct_elf_arm_obj_data): Add local_tlsdesc_gotent field.
	(elf32_arm_local_tlsdesc_gotent): New.
	(GOT_TLS_GDESC): New mask.
	(GOT_TLS_GD_ANY): Define.
	(struct elf32_arm_link_hash_entry): Add tlsdesc_got field.
	(elf32_arm_compute_jump_table_size): New.
	(struct elf32_arm_link_hash_table): Add next_tls_desc_index,
	num_tls_desc, dt_tlsdesc_plt, dt_tlsdesc_got, tls_trampoline,
	sgotplt_jump_table_size fields.
	(elf32_arm_link_hash_newfunc): Initialize tlsdesc_got field.
	(elf32_arm_link_hash_table_create): Initialize new fields.
	(arm_type_of_stub): Check TLS desc relocs too.
	(elf32_arm_stub_name): TLS desc relocs can be shared.
	(elf32_arm_tls_transition): Determine relaxation.
	(arm_stub_required_alignment): Add tls stubs.
	(elf32_arm_size_stubs): Likewise.
	(elf32_arm_tls_relax): Perform TLS relaxing.
	(elf32_arm_final_link_relocate): Process TLS DESC relocations.
	(IS_ARM_TLS_GNU_RELOC): New.
	(IS_ARM_TLS_RELOC): Use it.
	(elf32_arm_relocate_section): Perform TLS relaxing.
	(elf32_arm_check_relocs): Anticipate TLS relaxing, process tls
	desc relocations.
	(allocate_dynrelocs): Allocate tls desc relcoations.
	(elf32_arm_output_arch_local_syms): Emit tls trampoline mapping
	symbols.
	(elf32_arm_size_dynamic_sections): Allocate tls trampolines and
	got slots.
	(elf32_arm_always_size_sections): New. Create _TLS_MODULE_BASE
	symbol.
	(elf32_arm_finish_dynamic_symbol): Adjust.
	(arm_put_trampoline): New.
	(elf32_arm_finish_dynamic_sections): Emit new dynamic tags and tls
	trampolines.
	(elf_backend_always_size_sections): Define.

2011-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	* elf-ifunc.c (_bfd_elf_allocate_ifunc_dyn_relocs): Optimized.

2011-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12366
	PR ld/12371
	* elf-ifunc.c (_bfd_elf_allocate_ifunc_dyn_relocs): Properly
	handle symbols marked with regular reference, but not non-GOT
	reference when building shared library.

	* elf32-i386.c (elf_i386_gc_sweep_hook): Properly handle
	local and global STT_GNU_IFUNC symols when building shared
	library.
	* elf64-x86-64.c (elf_x86_64_gc_sweep_hook): Likewise.

2011-01-05  DJ Delorie  <dj@redhat.com>

	* reloc.c: Add BFD_RELOC_RX_OP_NEG.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.
	* elf32-rx.c: Add it to the list, corresponding to R_RX_OPneg.

2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	* cpu-i386.c (bfd_i386_compatible): New.
	(bfd_x64_32_arch_intel_syntax): Replace bfd_default_compatible
	with bfd_i386_compatible.
	(bfd_x86_64_arch_intel_syntax): Likewise.
	(bfd_i386_arch_intel_syntax): Likewise.
	(i8086_arch): Likewise.
	(bfd_x64_32_arch): Likewise.
	(bfd_x86_64_arch): Likewise.
	(bfd_i386_arch): Likewise.

For older changes see ChangeLog-2010
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