Better overflow checking for powerpc64 relocations

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

2014-03-08  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_howto_raw): Use complain_overflow_signed
	for R_PPC64_ADDR14, R_PPC64_ADDR14_BRTAKEN, R_PPC64_ADDR14_BRNTAKEN,
	R_PPC64_SECTOFF, R_PPC64_ADDR16_DS, R_PPC64_SECTOFF_DS,
	R_PPC64_REL16 entries.  Use complain_overflow_dont for R_PPC64_TOC.
	(ppc64_elf_relocate_section): Modify overflow test for 16-bit
	fields in instructions to signed/unsigned according to whether
	the field takes a signed or unsigned value.

2014-03-07  Pedro Alves  <palves@redhat.com>

	* rs6000-core.c (rs6000coff_core_p): Cast pointers to bfd_vma
	through ptr_to_uint instead of through long.

2014-03-06  Nick Clifton  <nickc@redhat.com>

	PR 16664
	* elf-attrs.c (_bfd_elf_parse_attributes): Add checks for corrupt
	attribute section names.

2014-03-05  Alan Modra  <amodra@gmail.com>

	Update copyright years.

2014-03-05  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_ADDR64_LOCAL entry.
	(ppc64_elf_reloc_type_lookup): Support R_PPC64_ADDR64_LOCAL.
	(ppc64_elf_check_relocs): Likewise.
	(ppc64_elf_relocate_section): Likewise.
	* Add BFD_RELOC_PPC64_ADDR64_LOCAL.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.

2014-03-04  Heiher  <r@hev.cc>

	* elfxx-mips.c (mips_set_isa_flags): Use E_MIPS_ARCH_64R2 for
	Loongson-3A.
	(mips_mach_extensions): Make bfd_mach_mips_loongson_3a an
	extension of bfd_mach_mipsisa64r2.

2014-03-04  Nick Clifton  <nickc@redhat.com>

	PR ld/16017
	* elf32-arm.c (elf32_thumb2_plt0_entry): New array.
	(elf32_thumb2_plt_entry): New array.
	(elf32_arm_create_dynamic_sections): Set PLT entry sizes when
	using thumb2 based PLT.
	(elf32_arm_populate_plt_entry): Handle generating Thumb2 based PLT
	entries.
	(elf32_arm_final_link_relocate): Do not bias jumps to Thumb based
	PLT entries.
	(elf32_arm_finish_dynamic_sections): Handle creation of Thumb2
	based PLT 0-entry.
	(elf32_arm_output_plt_map_1): Handle creation of local symbols for
	Thumb2 based PLT 0-entry.
	(elf32_arm_output_arch_local_syms): Handle creation of local
	symbols for Thumb2 based PLT entries.

2014-02-28  Alan Modra  <amodra@gmail.com>

	PR ld/16643
	* elflink.c (elf_gc_sweep): Call gc_sweep_hook for exactly
	the same conditions we called check_relocs.

2014-02-27  Yuri Gribov  <y.gribov@samsung.com>

	* bfd-in.h: Add export of bfd_elf32_arm_use_long_plt.
	* bfd-in2.h: Regenerate.
	* elf32-arm.c (elf32_arm_plt_entry_long): New array.
	(elf32_arm_link_hash_table_create): Set plt_entry_size to 16 if
	using long PLT entries.
	(bfd_elf32_arm_use_long_plt): New function.
	(elf32_arm_populate_plt_entry): Add support for long PLT entries.

2014-02-27  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_link_hash_table_create): Provide default
	params for targets that don't use ppc32elf.em.

2014-02-20  Chung-Lin Tang  <cltang@codesourcery.com>

	* elf32-nios2.c (nios2_elf32_relocate_section): Fix calculation
	of GOTOFF relocations.

2014-02-19  Igor Zamyatin  <igor.zamyatin@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_bnd_plt0_entry): New.
	(elf_x86_64_legacy_plt_entry): Likewise.
	(elf_x86_64_bnd_plt_entry): Likewise.
	(elf_x86_64_legacy_plt2_entry): Likewise.
	(elf_x86_64_bnd_plt2_entry): Likewise.
	(elf_x86_64_bnd_arch_bed): Likewise.
	(elf_x86_64_link_hash_entry): Add has_bnd_reloc and plt_bnd.
	(elf_x86_64_link_hash_table): Add plt_bnd.
	(elf_x86_64_link_hash_newfunc): Initialize has_bnd_reloc and
	plt_bnd.
	(elf_x86_64_copy_indirect_symbol): Also copy has_bnd_reloc.
	(elf_x86_64_check_relocs): Create the second PLT for Intel MPX
	in 64-bit mode.
	(elf_x86_64_allocate_dynrelocs): Handle the second PLT for IFUNC
	symbols.  Resolve call to the second PLT if it is created.
	(elf_x86_64_size_dynamic_sections): Keep the second PLT section.
	(elf_x86_64_relocate_section): Resolve PLT references to the
	second PLT if it is created.
	(elf_x86_64_finish_dynamic_symbol): Use BND PLT0 and fill the
	second PLT entry for BND relocation.
	(elf_x86_64_finish_dynamic_sections): Use MPX backend data if
	the second PLT is created.
	(elf_x86_64_get_synthetic_symtab): New.
	(bfd_elf64_get_synthetic_symtab): Likewise.  Undefine for NaCl.

2014-02-19  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.h (struct ppc64_elf_params): Add save_restore_funcs.
	* elf64-ppc.c (ppc64_elf_func_desc_adjust): Use it to control
	provision of out-of-line register save/restore routines.

2014-02-18  Jack Carter  <jack.carter@imgtec.com>

        * elfxx-mips.c(_bfd_mips_elf_modify_segment_map): Deleted hard coding of
        PT_DYNAMIC segment flags.

2014-02-17  Jan Kratochvil  <jan.kratochvil@redhat.com>

	PR binutils/16595
	* simple.c (struct saved_offsets): New.
	(simple_save_output_info): Use it for ptr.
	(simple_restore_output_info): Use it for ptr.  Check section_count.
	(bfd_simple_get_relocated_section_contents): Use it for saved_offsets.

2014-02-17  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.h (struct ppc64_elf_params): Define.
	(ppc64_elf_init_stub_bfd, ppc64_elf_edit_opd, ppc64_elf_tls_setup,
	ppc64_elf_setup_section_lists, ppc64_elf_size_stubs,
	ppc64_elf_build_stubs): Update prototype.
	* elf64-ppp.c (struct ppc_link_hash_table): Add params, delete other
	fields now in params.  Adjust code throughout file.
	(ppc64_elf_init_stub_bfd): Delete "abfd" parameter, add "params".
	Save params pointer in htab.
	(ppc64_elf_edit_opd, ppc64_elf_tls_setup,
	ppc64_elf_setup_section_lists, ppc64_elf_size_stubs,
	ppc64_elf_build_stubs): Remove parameters now in "params".

2014-02-17  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_relocate_section): Move relocs on insns
	patched for ppc476 workaround.  Reapply branch taken/not taken
	relocs.

2014-02-12  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_relax_section): Don't build long-branch
	stubs for calls to __tls_get_addr that we know will later be
	optimised away.

2014-02-12  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_relax_section): Enable ppc476 workaround
	for ld -r, when code sections are sufficiently aligned.
	* elf32-ppc.h (struct ppc_elf_params): Delete pagesize.  Add
	pagesize_p2.

2014-02-12  Alan Modra  <amodra@gmail.com>

	PR gold/15530
	* elf64-ppc.c (ppc64_elf_gc_mark_dynamic_ref): Support
	--export-dynamic and --dynamic-list marking of symbols.
	* elflink.c (bfd_elf_gc_mark_dynamic_ref_symbol): Reorder
	cheap tests first.

2014-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/16530
	* elflink.c (bfd_elf_gc_mark_dynamic_ref_symbol): Mark symbol in
	executables if it matches dynamic_list.

2014-02-10  Alan Modra  <amodra@gmail.com>

	* po/SRC-POTFILES.in: Regenerate.
	* po/bfd.pot: Regenerate.

2014-02-09  Alan Modra  <amodra@gmail.com>

	* elf-bfd.h (struct elf_backend_data): Add caches_rawsize.
	* elfxx-target.h (elf_backend_caches_rawsize): Define.
	(elfNN_bed): Init new field.
	* elflink.c (elf_link_input_bfd): Handle caches_rawsize.
	* elf32-ppc.c (shared_stub_entry): Zero addi offset.
	(ppc_elf_relax_section): Don't reallocate section here, write
	stubs, or write out relocs for ld -r here..
	(ppc_elf_relocate_section): ..instead write stubs here, and use
	existing code to write out relocs for ld -r.  Fix offset
	adjustment on reloc for little-endian.
	(elf_backend_caches_rawsize): Define.

2014-02-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR build/16550
	* cache.c (bfd_cache_max_open): Cast RLIM_INFINITY to rlim_t.

2014-02-04  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* coff-rs6000.c (xcoff_write_archive_contents_big): Free OFFSETS in
	return paths.  Three times.
	* elf64-ppc.c (ppc64_elf_link_hash_table_create): Free HTAB in all
	return paths.
	(ppc64_elf_tls_optimize): Free TOC_REF in return path.
	(ppc64_elf_edit_toc): Free USED in return path.

2014-02-03  Sandra Loosemore  <sandra@codesourcery.com>

	* reloc.c (BFD_RELOC_NIOS2_GOT_LO, BFD_RELOC_NIOS2_GOT_HA): New.
	(BFD_RELOC_NIOS2_CALL_LO, BFD_RELOC_NIOS2_CALL_HA): New.
	* libbfd.h: Regenerated.
	* bfd-in2.h: Regenerated.
	* elf32-nios2.c (elf_nios2_howto_table_rel): Add new relocations.
	(nios2_reloc_map): Likewise.
	(GOT_USED, CALL_USED): Renamed from GOT16_USED and CALL16_USED.
	Fixed all references.
	(nios2_elf32_relocate_section): Add new relocations.
	(nios2_elf32_check_relocs): Likewise.
	(nios2_elf32_gc_sweep_hook): Likewise.

2014-02-03  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (struct ppc_elf_link_hash_table): Add params.
	Delete emit_stub_syms, no_tls_get_addr_opt.  Update all uses.
	(ppc_elf_link_params): New function.
	(ppc_elf_create_glink): Align .glink to 64 bytes for ppc476
	workaround.
	(ppc_elf_select_plt_layout): Remove plt_style and emit_stub_syms
	parameters.  Use htab->params instead.
	(ppc_elf_tls_setup): Remove no_tls_get_addr_opt parameter.
	(ppc_elf_size_dynamic_sections): Align __glink_PLTresolve to
	64 bytes for ppc476 workaround.
	(struct ppc_elf_relax_info): New.
	(ppc_elf_relax_section): Exclude linker created sections and
	those too small to hold one instruction.  Don't add another
	branch 	around trampolines on later relax passes.  Don't
	generate trampolines for undefined symbols when !relocatable,
	nor for plugin symbols.  Allocate space for ppc476 workaround
	patch area.  Free fixups on error return path.
	(ppc_elf_relocate_section): Handle ppc476 workaround patching.
	* elf32-ppc.h (struct ppc_elf_params): New.
	(ppc_elf_select_plt_layout, ppc_elf_tls_setup): Update prototype.
	(ppc_elf_link_params): Declare.
	* section.c (SEC_INFO_TYPE_TARGET): Define.
	* bfd-in2.h: Regenerate.

2014-02-02  Sandra Loosemore  <sandra@codesourcery.com>

	* elf32-nios2.c (struct elf32_nios2_link_hash_table): Add
	h_gp_got field.
	(nios2_elf32_relocate_section): Use got_base to adjust
	GOT-pointer-relative relocations relative to _gp_got.
	(create_got_section): Create _gp_got symbol.
	(nios2_elf32_finish_dynamic_symbol): Make _gp_got absolute.
	(nios2_elf32_size_dynamic_sections): Set _gp_got offset.

2014-01-30  Sandra Loosemore  <sandra@codesourcery.com>

	* bfd-in2.h: Update from reloc.c.
	* elf32-nios2.c: Include elf32-nios2.h.
	(elf_nios2_howto_table_rel): Add entry for R_NIOS2_CALL26_NOAT.
	(nios2_reloc_map): Likewise.
	(enum elf32_nios2_stub_type): Declare.
	(struct elf32_nios2_stub_hash_entry): Declare.
	(nios2_stub_hash_entry, nios2_stub_hash_lookup): New macros.
	(struct elf32_nios2_link_hash_entry): Add hsh_cache field.
	(struct elf32_nios2_link_hash_table): Add new fields bstab,
	stub_bfd, add_stub_section, layout_sections_again, stub_group,
	bfd_count, top_index, input_list, all_local_syms.
	(nios2_call26_stub_entry): New.
	(nios2_elf32_install_imm16): Move up in file.
	(nios2_elf32_install_data): Move up in file.
	(hiadj): Move up in file.
	(stub_hash_newfunc): New.
	(link_hash_newfunc): Initialize hsh_cache field.
	(STUB_SUFFIX): New.
	(nios2_stub_name): New.
	(nios2_get_stub_entry): New.
	(nios2_add_stub): New.
	(nios2_elf32_setup_section_lists): New.
	(nios2_elf32_next_input_section): New.
	(CALL26_SEGMENT): New.
	(MAX_STUB_SECTION_SIZE): New.
	(group_sections): New.
	(nios2_type_of_stub): New.
	(nios2_build_one_stub): New.
	(nios2_size_one_stub): New.
	(get_local_syms): New.
	(nios2_elf32_size_stubs): New.
	(nios2_elf32_build_stubs): New.
	(nios2_elf32_do_call26_relocate): Correct CALL26 overflow test.
	(nios2_elf32_relocate_section): Handle R_NIOS2_CALL26_NOAT.  Add
	trampolines for R_NIOS2_CALL26 stubs.
	(nios2_elf32_check_relocs): Handle R_NIOS2_CALL26_NOAT.
	(nios2_elf32_gc_sweep_hook): Likewise.
	(nios2_elf32_link_hash_table_create): Initialize the stub hash table.
	(nios2_elf32_link_hash_table_free): New.
	(bfd_elf32_bfd_link_hash_table_free): Define.
	* elf32-nios2.h: New file.
	* libbfd.h: Update from reloc.c.
	* reloc.c (BFD_RELOC_NIOS2_CALL26_NOAT): New.

2014-01-29  Nick Clifton  <nickc@redhat.com>

	PR binutils/16318
	* elf32-metag.c (elf_metag_post_process_headers): Call
	_bfd_elf_post_process_headers.
	* elf32-sh64.c (sh64_elf_copy_private_data): Call
	_bfd_elf_copy_private_data.
	* elf64-sh64.c (sh_elf64_copy_private_data_internal): Likewise.

2014-01-29  Nick Clifton  <nickc@redhat.com>

	* bfd-in.h (bfd_set_section_vma): Delete.
	(bfd_set_section_alignment): Delete.
	(bfd_set_section_userdata): Delete.
	(bfd_set_cacheable): Delete.
	* bfd.c (bfd_set_cacheable): New static inline function.
	* section.c (bfd_set_section_userdata): Likewise.
	(bfd_set_section_vma): Likewise.
	(bfd_set_section_alignment): Likewise.
	* bfd-in2.h: Regenerate.

2014-01-28  Nick Clifton  <nickc@redhat.com>

	* dwarf2.c (find_abstract_instance_name): For DW_FORM_ref_addr
	attributes select the CU containing the abbreviation, which may not
	be the current CU.

2014-01-24  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc_build_one_stub): Correct reloc count passed
	to get_relocs for ELFv2.

2014-01-23  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/16498
	* elf.c (_bfd_elf_map_sections_to_segments): Issue a linker error
	if TLS sections are not adjacent.

2014-01-22  Alan Modra  <amodra@gmail.com>

	* elflink.c (elf_link_add_object_symbols): Call minfo for --as-needed.

2014-01-22  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (STK_LINKER): Comment typo fix.

2014-01-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/16467
	* elflink.c (_bfd_elf_merge_symbol): When types of the existing
	regular default symbol definition and the versioned dynamic
	symbol definition mismatch, skip the default symbol definition
	if one of them is IFUNC.

2014-01-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/2404
	* elflink.c (_bfd_elf_merge_symbol): Don't check info->shared,
	info->export_dynamic nor h->ref_dynamic for type mismatch when
	adding the default version.

2014-01-16  Alan Modra  <amodra@gmail.com>

	* elfxx-mips.c (mips_elf_record_got_page_entry): Pass in a
	mips_elf_traverse_got_arg* rather than mips_got_info*.
	Adjust caller.  Alloc on output_bfd rather than symbol section
	owner.

2014-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_allocate_dynrelocs): Revert the last
	change.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.

2014-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/16428
	* elf32-i386.c (elf_i386_allocate_dynrelocs): Don't discard relocs
	against __ehdr_start.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.

2014-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_allocate_dynrelocs): Revert the last
	change.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.

2014-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/16428
	* elf32-i386.c (elf_i386_allocate_dynrelocs): Don't update reloc
	count if there are any non pc-relative relocs.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.

2014-01-14  Michael Hudson-Doyle  <michael.hudson@linaro.org>
	    Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>

	* elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Use correct
	offset while calculating relocation address.
	(elfNN_aarch64_create_small_pltn_entry): Likewise.
	(elfNN_aarch64_init_small_plt0_entry): Likewise.

2014-01-13  Ma Jiang  <ma.jiang@zte.com.cn>

	PR ld/16202
	* elf32-arm.c (elf32_arm_final_link_relocate): Refetch addends for
	R_ARM_ABS8 and R_ARM_ABS16.

2014-01-13  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_check_relocs): For @local call to ifunc,
	error when shared and force a plt call otherwise.
	(ppc_elf_size_dynamic_sections): Don't emit DT_PPC_GOT unless
	plt_type == PLT_NEW.
	(ppc_elf_relocate_section): Add missing test to resolve ifuncs to
	the appropriate call stub.

2014-01-10  Alan Modra  <amodra@gmail.com>

	PR ld/14207
	PR ld/16322
	PR binutils/16323
	* elf.c (assign_file_positions_for_load_sections): Revert last change.
	(assign_file_positions_for_non_load_sections): When setting up
	PT_GNU_RELRO header, don't require a corresponding PT_LOAD
	header that completely covers the relro region.

2014-01-09  Tristan Gingold  <gingold@adacore.com>

	* coff-rs6000.c (rs6000coff_vec, pmac_xcoff_vec): use jump
	table macros and add macros to initializa the structure.

2014-01-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/14207
	PR ld/16322
	PR binutils/16323
	* elf.c (_bfd_elf_map_sections_to_segments): Don't check section
	size for PT_GNU_RELRO segment.
	(assign_file_positions_for_load_sections): If PT_LOAD segment
	doesn't fit PT_GNU_RELRO segment, adjust its p_filesz and p_memsz.

2014-01-07  Tom Tromey  <tromey@redhat.com>

	* elf32-xtensa.c (vsprint_msg): Don't use old VA_* compatibility
	wrappers.

2014-01-03  Nick Clifton  <nickc@redhat.com>

	PR binutils/16199
	* elf.c (vma_page_aligned_bias): Handle a maxpagesize value of
	zero.

2014-01-02  Yuanhui Zhang  <asmwarrior@gmail.com>

	PR binutils/14289
	* pef.c (bfd_pef_xlib_read_header): Increase buffer size to 80.

2014-01-02  Nick Clifton  <nickc@redhat.com>

	PR binutils/11983
	* archive.c (_bfd_get_elt_at_filepos): Store a copy of the
	filename in the bfd's filename field.
	* elfcode.h (bfd_from_remote_memory): Likewise.
	* ieee.c (ieee_object_p): Likewise.
	* mach-o.c (bfd_mach_o_fat_member_init): Likewise.
	* oasys.c (oasys_openr_next_archived_file): Likewise.
	* vms-lib.c (_bfd_vms_lib_get_module): Likewise.
	* opncls.c (bfd_fopen): Likewise.
	(bfd_openstreamr): Likewise.
	(bfd_openr_iovec): Likewise.
	(bfd_openw): Likewise.
	(bfd_create): Likewise.
	(_bfd_delete_bfd): Free filename.

For older changes see ChangeLog-2013
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