2008-07-22 Simon Baldwin <simonb@google.com>

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

2008-07-22  Simon Baldwin  <simonb@google.com>

	* elflink.c (elf_link_output_extsym): Set st_size to zero for
	symbols from dynamic libraries.

2008-07-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/4424
	* elflink.c (_bfd_elf_merge_symbol): Call bed->relocs_compatible
	to check if 2 inputs are compatible.

2008-07-21  Sterling Augustine  <sterling@tensilica.com>

	* elf.c (assign_file_positions_for_load_sections): Print vma in
	error message about overlapping section vmas.

2008-07-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/6747
	* elf32-frv.c (elf32_frv_relocate_section): Revert the change
	for PR ld/6446 checked in by accident on May 21, 2008.

2008-07-21  Nick Clifton  <nickc@redhat.com>

	* coff-sh.c (bfd_pe_print_pdata): Define to NULL for non
	COFF_WITH_PE based SH ports.
	* libpei.h (_bfd_XX_print_ce_compressed_pdata): Prototype.
	* arm-wince-pe.c (bfd_pe_print_pdata): Use
	_bfd_pe_print_ce_compressed_pdata.
	(slurp_symcache, cleanup_syms, pe_print_ce_compressed_pdata): Move
	to...
	* peXXigen.c: ... here and rename pe_print_ce_compressed_pdata to
	_bfd_XX_print_ce_compressed_pdata.

2008-07-21  Alan Modra  <amodra@bigpond.net.au>

	* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Drop
	unwanted zero terminators.

2008-07-21  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (spu_elf_relocate_section): Expand
	RELOC_FOR_GLOBAL_SYMBOL.  Don't warn about undefined symbols for
	R_SPU_PPU32 and R_SPU_PPU64 relocations.

2008-07-21  Luis Machado  <luisgpm@br.ibm.com>

	* elf-bfd.h: Declare elfcore_write_ppc_vsx.
	* elf.c (elfcore_grok_ppc_vsx): New function.
	(elfcore_write_ppc_vsx): New function
	(elfcore_grok_note): Handle VSX notes.
	(elfcore_write_register_note): Handle VSX notes.

2008-07-18  Joseph Myers  <joseph@codesourcery.com>

	* bfd-in.h (bfd_elf32_arm_set_target_relocs): Add new parameter.
	* bfd-in2.h: Regenerate.
	* elf32-arm.c (struct elf_arm_obj_tdata): Add field
	no_wchar_size_warning.
	(bfd_elf32_arm_set_target_relocs): Add new parameter
	no_wchar_warn.
	(elf32_arm_merge_eabi_attributes): Give a warning, not an error,
	for conflicting wchar_t attributes.  Do not warn if
	--no-wchar-size-warning.  Make diagnostic text more specific.

2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/6748
	* elf32-arm.c (elf32_arm_link_hash_table_create): Initialize
	new fields added for ARM long call support.

2008-07-18  Danny Backx  <dannybackx@users.sourceforge.net>

	* pe-arm-wince.c (pe_print_compressed_pdata): Define new function to
	print compressed pdata structure as described on MSDN. This only
	applies to a limited set of architectures (ARM, SH4).
	(slurp_symtab, my_symbol_for_address): Define static helper
	functions for pe_print_compressed_pdata.
	* coffcode.h (bfd_coff_backend_data): Add _bfd_coff_print_pdata field.
	(bfd_coff_have_print_pdata, bfd_coff_print_pdata): Define.
	* bfd/peXXigen.c (_bfd_XX_print_private_bfd_data_common): Add check on
	bfd_coff_backend_data, call the function if non-null.
	* pei-mcore.c: Add target dependent initialisation for
	bfd_coff_backend_data.
	* coff-sh.c: Likewise.
	* coff64-rs6000.c: Likewise.
	* coff-rs6000.c: Likewise.
	* libcoff-in.h: Likewise.
	* cf-i386lynx.c: Likewise.
	* coff-alpha.c: Likewise.
	* coff-apollo.c: Likewise.
	* coff-arm.c: Likewise.
	* coff-aux.c: Likewise.
	* coff-h8300.c: Likewise.
	* coff-h8500.c: Likewise.
	* coff-i386.c: Likewise.
	* coff-i860.c: Likewise.
	* coff-i960.c: Likewise.
	* coff-ia64.c: Likewise.
	* coff-m68k.c: Likewise.
	* coff-m88k.c: Likewise.
	* coff-maxq.c: Likewise.
	* coff-mips.c: Likewise.
	* coff-or32.c: Likewise.
	* coff-sparc.c: Likewise.
	* coff-tic30.c: Likewise.
	* coff-tic4x.c: Likewise.
	* coff-tic54x.c: Likewise.
	* coff-tic80.c: Likewise.
	* coff-w65.c: Likewise.
	* coff-we32k.c: Likewise.
	* coff-x86_64.c: Likewise.
	* coff-z80.c: Likewise.
	* coff-z8k.c: Likewise.
	* pe-mcore.c: Likewise.
	* pe-mips.c: Likewise.
	* pe-ppc.c: Likewise.
	* peXXigen.c: Likewise.
	* pei-ppc.c: Likewise.
	* libcoff.h: Regenerate.

2008-07-16  Bernd Schmidt  <bernd.schmidt@analog.com>

	* elf32-bfin.c (bfin_check_relocs, bfin_relocate_section,
	bfin_final_link_relocate, bfin_gc_mark_hook, bfin_gc_sweep_hook,
	ELF_DYNAMIC_INTERPRETER, DEFAULT_STACK_SIZE,
	struct _bfinfdpic_dynamic_got_info): Moved around to keep FD-PIC code
	separate from non-FD-PIC.

2008-07-14  DJ Delorie  <dj@redhat.com>

	* elf-m10300.c (mn10300_elf_final_link_relocate): Correct overflow
	checks for PCREL8, PCREL16, GOTPC16, GOTOFF16, PLT16, and GOT16
	relocs.
	(mn10300_elf_relax_section): Correct jump offset check when target
	is in a different section.

2008-07-15  Jie Zhang  <jie.zhang@analog.com>

	* elf32-bfin.c (elf32_bfin_special_sections[]): New.
	(elf_backend_special_sections): Define.

2008-07-13  Craig Silverstein  <csilvers@google.com>

	PR binutils/6743
	* dwarf2.c (struct dwarf2_debug): New variable info_ptr_memory.
	(find_line): Use info_ptr_memory instead of sec_info_ptr.
	(_bfd_dwarf2_cleanup_debug_info): Likewise.

2008-07-12  Jie Zhang  <jie.zhang@analog.com>

	Revert
	2008-07-12  Jie Zhang  <jie.zhang@analog.com>
	* elf.c (_bfd_elf_map_sections_to_segments): Don't put
	executable sections into the same segment with other
	read only sections if --sep-code.
	* elf32-bfin.c (elf32_bfin_code_in_l1): New variable.
	(elf32_bfin_data_in_l1): New variable.
	(elf32_bfin_final_write_processing): New.
	(elf32_bfin_special_sections[]): New.
	(elf_backend_final_write_processing): Define.
	(elf_backend_special_sections): Define.

2008-07-12  Jie Zhang  <jie.zhang@analog.com>

	* elf.c (_bfd_elf_map_sections_to_segments): Don't put
	executable sections into the same segment with other
	read only sections if --sep-code.
	* elf32-bfin.c (elf32_bfin_code_in_l1): New variable.
	(elf32_bfin_data_in_l1): New variable.
	(elf32_bfin_final_write_processing): New.
	(elf32_bfin_special_sections[]): New.
	(elf_backend_final_write_processing): Define.
	(elf_backend_special_sections): Define.

2008-07-11  Andreas Schwab  <schwab@suse.de>

	* dwarf2.c (read_section): Take pointer to bfd_size_type instead
	of unsigned long as last parameter.
	(struct dwarf2_debug): Define dwarf_abbrev_size, dwarf_line_size,
	dwarf_str_size and dwarf_ranges_size as bfd_size_type instead of
	unsigned long.

2008-07-10  Richard Sandiford  <rdsandiford@googlemail.com>

	* elfxx-mips.c (mips_elf_calculate_relocation): Calculate GP and GP0
	for all relocation types.  Allow any type of relocation to refer to
	__gnu_local_gp.

2008-07-10  Richard Sandiford  <rdsandiford@googlemail.com>

	* elfxx-mips.c (mips_elf_check_mips16_stubs): Use ELF_ST_IS_MIPS16.
	(mips_elf_calculate_relocation): Likewise.
	(_bfd_mips_elf_add_symbol_hook): Likewise.
	(_bfd_mips_elf_finish_dynamic_symbol): Likewise.
	(_bfd_mips_vxworks_finish_dynamic_symbol): Likewise.

2008-07-10  Andreas Schwab  <schwab@suse.de>

	* elfxx-mips.c (_bfd_mips_elf_section_from_shdr): Add missing
	paren.

2008-07-09  Craig Silverstein  <csilvers@google.com>

	* Makefile.am (BFD32_LIBS): Add compress.lo.
	(BFD32_LIBS_CFILES): Add compress.c.
	(BFD_H_FILES): Likewise.
	* Makefile.in: Regenerate.
	* bfd-in2.h: Regenerate.
	* config.in: Add HAVE_ZLIB_H
	* configure.in: Add test for libz and zlib.h
	* configure: Regenerate.
	* dwarf2.c (read_section): New function.
	(read_indirect_string): Call new function read_section.
	(read_abbrevs): Likewise.
	(decode_line_info): Likewise.
	(read_debug_ranges): Likewise.
	(find_line): Call new function read_section when just one
	.zdebug_info section is found, otherwise read and compress
	multiple sections.
	(_bfd_dwarf2_cleanup_debug_info): Free sec_info_ptr.
	* elf.c (_bfd_elf_make_section_from_shdr): Add zdebug prefix.
	(special_sections_z): New struct.
	(special_sections): Refer to special_sections_z.
	* elfxx-mips.c (_bfd_mips_elf_section_from_shdr): Recognize
	sections named .zdebug_*.
	(_bfd_mips_elf_fake_sections): Likewise.
	* compress.c: New file.
	(bfd_uncompress_section_contents): New function.

2008-07-07  Christophe Lyon  <christophe.lyon@st.com>

	* elf32-arm.c (arm_type_of_stub): Don't crash on local symbols in
	the presence of a PLT.

2008-07-07  Alan Modra  <amodra@bigpond.net.au>

	* bfd.c (bfd_demangle): Always trim off bfd_get_symbol_leading_char.

2008-07-02  Alan Modra  <amodra@bigpond.net.au>

	* elf32-ppc.c (is_pic_glink_stub): New function.
	(ppc_elf_get_synthetic_symtab): Don't generate symbols when
	multiple shared/pie stubs per plt entry.

2008-06-30  Richard Sandiford  <rdsandiford@googlemail.com>

	* elf.c (_bfd_elf_get_synthetic_symtab): Increment p by
	bed->s->int_rels_per_ext_rel.

2008-06-30  Richard Sandiford  <rdsandiford@googlemail.com>

	* syms.c (BSF_SYNTHETIC): New flag.
	* elf.c (_bfd_elf_get_synthetic_symtab): Set it.
	* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Likewise.
	* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Likewise.
	* bfd-in.h (bfd_asymbol_flavour): Return bfd_target_unknown_flavour
	for synthetic symbols.
	* bfd-in2.h: Regenerate.

2008-06-30  Daniel Jacobowitz  <dan@codesourcery.com>

	* elf32-arm.c (record_arm_to_thumb_glue, record_thumb_to_arm_glue):
	Expand comments.
	(arm_map_one_stub): Use | 1 when setting the low bit.

2008-06-29  Andreas Schwab  <schwab@suse.de>

	* elf32-m68k.c (elf_m68k_relocate_section): Don't ignore existing
	addend on _GLOBAL_OFFSET_TABLE_.

2008-06-24  Daniel Jacobowitz  <dan@codesourcery.com>

	* elf32-arm.c (STUB_ENTRY_NAME): Define.
	(arm_thumb_thumb_long_branch_stub): Use bx instead of b.n.
	(arm_pic_long_branch_stub): Mention R_ARM_REL32 instead of
	R_ARM_ABS32.
	(struct elf32_arm_stub_hash_entry): Add output_name.
	(arm_build_one_stub): Move offsets into the offset argument
	of _bfd_final_link_relocate.  Correct offset for
	arm_thumb_arm_v4t_stub_long_branch.
	(elf32_arm_size_stubs): Set stub_entry->output_name.
	(elf32_arm_ouput_plt_map_sym): Rename to elf32_arm_output_map_sym.
	Update all callers.
	(elf32_arm_output_stub_sym): New.
	(arm_map_one_stub): Correct formatting.  Use elf32_arm_output_stub_sym.

2008-06-20  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (needs_ovl_stub): Correctly return nonovl_stub for
	non-branch insns.

2008-06-20  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (build_stub): Allow wraparound on stub branches.
	(allocate_spuear_stubs, build_spuear_stubs): Return value from
	count_stub/build_stub.
	(spu_elf_build_stubs): Correct location of stub reloc error message.

2008-06-18  M R Swami Reddy <MR.Swami.Reddy@nsc.com>

	* elf32-cr16.c (ELF_MACHINE_ALT1): Define to EM_CR16_OLD.

2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2008-06-17  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (struct spu_link_hash_table): Add extra_stack_space.
	(spu_elf_check_vma): Add extra_stack_space param, copy to htab.
	(spu_elf_auto_overlay): Use it.
	(RECURSE_UNMARK): Define as 0.
	(unmark_overlay_section): Heed RECURSE_UNMARK.
	* elf32-spu.h (spu_elf_check_vma): Update prototype.

2008-06-12  DJ Delorie  <dj@redhat.com>

	* elf32-m32c.c (ELF_MACHINE_ALT1): Define as EM_M32C_OLD.

2008-06-09  Paul Brook  <paul@codesourcery.com>

	bfd/
	* elf32-arm.c (elf32_arm_merge_private_bfd_data): Allow BE8 shared
	libraries.

2008-06-09  Christophe Lyon  <christophe.lyon@st.com>

	* elf32-arm.c (arm_stub_is_thumb): Define.
	(elf32_arm_final_link_relocate): Handle near mode switching stubs.

2008-06-07  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (spu_elf_auto_overlay): Add valid area below sp
	to stack calculation.

2008-06-06  Paul Brook  <paul@codesourcery.com>

	bfd/
	* elf32-arm.c (elf32_arm_merge_private_bfd_data): Reject BE8 input.

2008-06-06  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (spu_elf_auto_overlay): Relax requirement that
	file names be unique.  Specify archive:path in overlay script.

2008-06-05  Alan Modra  <amodra@bigpond.net.au>

	PR ld/6590
	* elf64-ppc.c (ppc_build_one_stub): Correct reloc offsets.

2008-06-04  Alan Modra  <amodra@bigpond.net.au>

	* elf.c (ignore_section_sym): Don't test section sym value here.
	(elf_map_symbols): Instead check zero value here as was done prior
	to 2006-05-26 change.

2008-06-04  Nick Clifton  <nickc@redhat.com>

	PR ld/6019
	* elf32-avr.c (elf32_avr_relax_section): Handle the case where
	there are no local symbols.

2008-06-04  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (get_sym_h): Don't attempt to read global syms.
	(process_stubs): Likewise.
	(discover_functions): Don't used cached symbols.
	(maybe_insert_function): Correct condition under which function
	array is realloc'd.
	(mark_functions_via_relocs): Delete unused variable.

2008-05-30  Frediano Ziglio  <frediano.ziglio@vodafone.com>
	    Nick Clifton  <nickc@redhat.com>

	PR ld/6511
	* elf64-hppa.c (allocate_global_data_opd): Default to using the
	dynamic symbol table for local function names in shared libraries.

2008-05-29  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* elf.c (assign_file_positions_for_load_sections): Adjust pre-section
	gaps based on VMA and P_VADDR instead of LMA and P_PADDR addresses.

2008-05-28  Alan Modra  <amodra@bigpond.net.au>

	* elf32-spu.c (spu_elf_object_p): New function.
	(elf_backend_object_p): Define.
	(build_stub): Correct second word of 8 byte overlay stubs.
	(spu_elf_relocate_section): Formatting.

2008-05-24  Carlos Eduardo Seo  <cseo@linux.vnet.ibm.com>

	* elf.c (elfcore_write_register_note): New function.
	* elf-bfd.h (elfcore_write_register_note): New prototype.

2008-05-22  Christophe Lyon  <christophe.lyon@st.com>

	* elf32-arm.c (arm_type_of_stub): Ignore STT_SECTION symbols.
	(elf32_arm_stub_add_mapping_symbol): Remove.
	(elf32_arm_add_stub): Don't generate mapping symbols. Change
	prototype.
	(elf32_arm_size_stubs): Use new elf32_arm_add_stub
	prototype. Don't generate thumb to arm glue for calls.
	(arm_map_one_stub): Define.
	(elf32_arm_output_arch_local_syms): Generate mapping symbols for
	long calls stubs.

2008-05-21  Nick Clifton  <nickc@redhat.com>

	* elf32-arm.c (group_sections): Reformat comments.

	PR ld/6446
	* elf32-frv.c (elf32_frv_relocate_section): Set EF_FRV_PIC by
	default (for FDPIC). Clear it if any inter-segment relocations
	are found.

	* elf64-hppa.c (elf64_hppa_finalize_opd): Check NULL return
	from elf_link_hash_lookup.

2008-05-21  Maxim Kuvyrkov  <maxim@codesourcery.com>

	Add multi-GOT support for m68k.
	* elf32-m68k.c (struct elf_m68k_link_hash_entry: got_entry_key,
	glist): New fields.
	(struct elf_m68k_got_entry_key, struct elf_m68k_got_entry,
	struct elf_m68k_got, struct elf_m68k_bfd2got_entry,
	struct elf_m68k_multi_got): New data structures.
	(struct elf_m68k_link_hash_table: local_gp_p, use_neg_got_offsets_p,
	allow_multigot_p, multi_got_): New fields.
	(elf_m68k_multi_got): New macro.
	(elf_m68k_link_hash_newfunc): Initialize new fields of
	struct elf_m68k_link_hash_entry.
	(elf_m68k_link_hash_table_create): Initialize new fields of
	struct elf_m68k_link_hash_table.
	(elf_m68k_link_hash_table_free): New static function implementing hook.
	(elf_m68k_init_got, elf_m68k_clear_got, elf_m68k_create_empty_got): New
	static functions for struct elf_m68k_got.
	(elf_m68k_init_got_entry_key, elf_m68k_got_entry_hash,
	elf_m68k_got_entry_eq): New static functions for
	struct elf_m68k_got_entry.
	(ELF_M68K_REL_8O_MAX_N_ENTRIES_IN_GOT,
	ELF_M68K_REL_8O_16O_MAX_N_ENTRIES_IN_GOT): New macros.
	(enum elf_m68k_get_entry_howto): New enum.
	(elf_m68k_get_got_entry, elf_m68k_update_got_entry_type,
	elf_m68k_remove_got_entry_type): New static functions for
	struct elf_m68k_got_entry.
	(elf_m68k_add_entry_to_got): New static function.
	(elf_m68k_bfd2got_entry_hash, elf_m68k_bfd2got_entry_eq,
	elf_m68k_bfd2got_entry_del, elf_m68k_get_bfd2got_entry): New static
	functions for struct elf_m68k_bfd2got_entry.
	(struct elf_m68k_can_merge_gots_arg, elf_m68k_can_merge_gots_1,
	elf_m68k_can_merge_gots): New traversal.
	(struct elf_m68k_merge_gots_arg, elf_m68k_merge_gots_1,
	elf_m68k_merge_gots): Ditto.
	(struct elf_m68k_finalize_got_offsets_arg,
	elf_m68k_finalize_got_offsets_1, elf_m68k_finalize_got_offsets): Ditto.
	(struct elf_m68k_partition_multi_got_arg,
	elf_m68k_partition_multi_got_1, elf_m68k_init_symndx2h_1,
	elf_m68k_partition_multi_got): Ditto.
	(elf_m68k_find_got_entry_ptr, elf_m68k_remove_got_entry): New static
	functions.
	(elf_m68k_copy_indirect_symbol): New static function implementing
	a hook.
	(elf_m68k_check_relocs): Update to add entries to multi-GOT.
	(elf_m68k_gc_sweep_hook): Update to remove entries from multi-GOT.
	(elf_m68k_always_size_sections): Assign BFDs to GOTs.
	(elf_m68k_relocate_section): Update to properly handle GOT relocations.
	(elf_m68k_finish_dynamic_symbol): Update to traverse all GOT entries
	of a global symbol.
	(bfd_elf_m68k_set_target_options): New function.
	(bfd_elf32_bfd_link_hash_table_free): Define hook.
	(bfd_elf32_bfd_final_link): Change expansion to bfd_elf_final_link
	to skip generic calculation of GOT offsets.
	(elf_backend_copy_indirect_symbol): Define hook.
	* bfd-in.h (bfd_elf_m68k_set_target_options): Declare function.
	* bfd-in2.h: Regenerate.