* elf32-ppc.c (is_pic_glink_stub): New function.

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

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  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.