Commit Graph

6746 Commits

Author SHA1 Message Date
Bob Wilson b3a88ae94b bfd ChangeLog
* elf32-xtensa.c (elf32xtensa_size_opt): New global variable.
	(xtensa_default_isa): Global variable moved here from xtensa-isa.c.
	(elf32xtensa_no_literal_movement): New global variable.
	(elf_howto_table): Add entries for new relocations.
	(elf_xtensa_reloc_type_lookup): Handle new relocations.
	(property_table_compare): When addresses are equal, compare sizes and
	various property flags.
	(property_table_matches): New.
	(xtensa_read_table_entries): Extend to read new property tables.  Add
	output_addr parameter to indicate that output addresses should be used.
	Use bfd_get_section_limit.
	(elf_xtensa_find_property_entry): New.
	(elf_xtensa_in_literal_pool): Use elf_xtensa_find_property_entry.
	(elf_xtensa_check_relocs): Handle new relocations.
	(elf_xtensa_do_reloc): Use bfd_get_section_limit.  Handle new
	relocations.  Use new xtensa-isa.h functions.
	(build_encoding_error_message): Remove encode_result parameter.  Add
	new target_address parameter used to detect alignment errors.
	(elf_xtensa_relocate_section): Use bfd_get_section_limit.  Clean up
	error handling.  Use new is_operand_relocation function.
	(elf_xtensa_combine_prop_entries, elf_xtensa_merge_private_bfd_data):
	Use underbar macro for error messages.  Formatting.
	(get_const16_opcode): New.
	(get_l32r_opcode): Add a separate flag for initialization.
	(get_relocation_opnd): Operand number is no longer explicit in the
	relocation.  Change to decode the opcode and analyze its operands.
	(get_relocation_slot): New.
	(get_relocation_opcode): Add bfd parameter.  Use bfd_get_section_limit.
	Use new xtensa-isa.h functions to handle multislot instructions.
	(is_l32r_relocation): Add bfd parameter.  Use is_operand_relocation.
	(get_asm_simplify_size, is_alt_relocation, is_operand_relocation,
	insn_decode_len, insn_decode_opcode, check_branch_target_aligned,
	check_loop_aligned, check_branch_target_aligned_address, narrowable,
	widenable, narrow_instruction, widen_instruction, op_single_fmt_table,
	get_single_format, init_op_single_format_table): New.
	(elf_xtensa_do_asm_simplify): Add error_message parameter and use it
	instead of calling _bfd_error_handler.  Use new xtensa-isa.h functions.
	(contract_asm_expansion): Add error_message parameter and pass it to
	elf_xtensa_do_asm_simplify.  Replace use of R_XTENSA_OP0 relocation
	with R_XTENSA_SLOT0_OP.
	(get_expanded_call_opcode): Extend to handle either L32R or CONST16
	instructions.  Use new xtensa-isa.h functions.
	(r_reloc struct): Add new virtual_offset field.
	(r_reloc_init): Add contents and content_length parameters.  Set
	virtual_offset field to zero.  Add contents to target_offset field for
	partial_inplace relocations.
	(r_reloc_is_defined): Check for null.
	(print_r_reloc): New debug function.
	(source_reloc struct): Replace xtensa_operand field with pair of the
	opcode and the operand position.  Add is_abs_literal field.
	(init_source_reloc): Specify operand by opcode/position pair.  Set
	is_abs_literal field.
	(source_reloc_compare): When target_offsets are equal, compare other
	fields to make sorting predictable.
	(literal_value struct): Add is_abs_literal field.
	(value_map_hash_table struct): Add has_last_loc and last_loc fields.
	(init_literal_value): New.
	(is_same_value): Replace with ...
	(literal_value_equal): ... this function.  Add comparisons of
	virtual_offset and is_abs_literal fields.
	(value_map_hash_table_init): Use bfd_zmalloc.  Check for allocation
	failure.  Initialize has_last_loc field.
	(value_map_hash_table_delete): New.
	(hash_literal_value): Rename to ...
	(literal_value_hash): ... this.  Include is_abs_literal flag and
	virtual_offset field in the hash value.
	(get_cached_value): Rename to ...
	(value_map_get_cached_value): ... this.  Update calls to
	literal_value_hash and literal_value_equal.
	(add_value_map): Check for allocation failure.  Update calls to
	value_map_get_cached_value and literal_value_hash.
	(text_action, text_action_list, text_action_t): New types.
	(find_fill_action, compute_removed_action_diff, adjust_fill_action,
	text_action_add, text_action_add_literal, offset_with_removed_text,
	offset_with_removed_text_before_fill, find_insn_action,
	print_action_list, print_removed_literals): New.
	(offset_with_removed_literals): Delete.
	(xtensa_relax_info struct): Add is_relaxable_asm_section, action_list,
	fix_array, fix_array_count, allocated_relocs, relocs_count, and
	allocated_relocs_count fields.
	(init_xtensa_relax_info): Initialize new fields.
	(reloc_bfd_fix struct): Add new translated field.
	(reloc_bfd_fix_init): Add translated parameter and use it to set the
	translated field.
	(fix_compare, cache_fix_array): New.
	(get_bfd_fix): Remove fix_list parameter and get all relax_info for the
	section via get_xtensa_relax_info.  Use cache_fix_array to set up
	sorted fix_array and use bsearch instead of linear search.
	(section_cache_t): New struct.
	(init_section_cache, section_cache_section, clear_section_cache): New.
	(ebb_t, ebb_target_enum, proposed_action, ebb_constraint): New types.
	(init_ebb_constraint, free_ebb_constraint, init_ebb, extend_ebb_bounds,
	extend_ebb_bounds_forward, extend_ebb_bounds_backward,
	insn_block_decodable_len, ebb_propose_action, ebb_add_proposed_action):
	New.
	(retrieve_contents): Use bfd_get_section_limit.
	(elf_xtensa_relax_section): Add relocations_analyzed flag.  Update call
	to compute_removed_literals.  Free value_map_hash_table when no longer
	needed.
	(analyze_relocations): Check is_relaxable_asm_section flag.  Call
	compute_text_actions for all sections.
	(find_relaxable_sections): Mark sections as relaxable if they contain
	ASM_EXPAND relocations that can be optimized.  Adjust r_reloc_init
	call.  Increment relax_info src_count field only for appropriate
	relocation types.  Remove is_literal_section check.
	(collect_source_relocs): Use bfd_get_section_limit.  Adjust calls to
	r_reloc_init and find_associated_l32r_irel.  Check
	is_relaxable_asm_section flag.  Handle L32R instructions with absolute
	literals.  Pass is_abs_literal flag to init_source_reloc.
	(is_resolvable_asm_expansion): Use bfd_get_section_limit.  Check for
	CONST16 instructions.  Adjust calls to r_reloc_init and
	pcrel_reloc_fits.  Handle weak symbols conservatively.
	(find_associated_l32r_irel): Add bfd parameter and pass it to
	is_l32r_relocation.
	(compute_text_actions, compute_ebb_proposed_actions,
	compute_ebb_actions, check_section_ebb_pcrels_fit,
	check_section_ebb_reduces, text_action_add_proposed,
	compute_fill_extra_space): New.
	(remove_literals): Replace with ...
	(compute_removed_literals): ... this function.  Call
	init_section_cache.  Use bfd_get_section_limit.  Sort internal_relocs.
	Call xtensa_read_table_entries to get the property table.  Skip
	relocations other than R_XTENSA_32 and R_XTENSA_PLT.  Use new
	is_removable_literal, remove_dead_literal, and
	identify_literal_placement functions.
	(get_irel_at_offset): Rewrite to use bsearch on sorted relocations
	instead of linear search.
	(is_removable_literal, remove_dead_literal,
	identify_literal_placement): New.
	(relocations_reach): Update check for literal not referenced by any
	PC-relative relocations.  Adjust call to pcrel_reloc_fits.
	(coalesce_shared_literal, move_shared_literal): New.
	(relax_section): Use bfd_get_section_limit.  Call
	translate_section_fixes.  Update calls to r_reloc_init and
	offset_with_removed_text.  Check new is_relaxable_asm_section flag.
	Add call to pin_internal_relocs.  Add special handling for
	R_XTENSA_ASM_SIMPLIFY and R_XTENSA_DIFF* relocs.  Use virtual_offset
	info to calculate new addend_displacement variable.  Replace code for
	deleting literals with more general code to perform the actions
	determined by the action_list for the section.
	(translate_section_fixes, translate_reloc_bfd_fix): New.
	(translate_reloc): Check new is_relaxable_asm_section flag.  Call
	find_removed_literal only if is_operand_relocation.  Update call to
	offset_with_removed_text.  Use new target_offset and removed_bytes
	variables.
	(move_literal): New.
	(relax_property_section):  Use bfd_get_section_limit.  Set new
	is_full_prop_section flag and handle new property tables.  Update calls
	to r_reloc_init and offset_with_removed_text.  Check
	is_relaxable_asm_section flag.  Handle expansion of zero-sized
	unreachable entries, with use of offset_with_removed_text_before_fill.
	For relocatable links, combine entries only for literal tables.
	(relax_section_symbols): Check is_relaxable_asm_section flag.  Update
	calls to offset_with_removed_text.  Translate st_size field for
	function symbols.
	(do_fix_for_relocatable_link): Change to return bfd_boolean to indicate
	failure.  Add contents parameter.  Update call to get_bfd_fix.  Update
	call to r_reloc_init.  Call _bfd_error_handler and return FALSE for
	R_XTENSA_ASM_EXPAND relocs.
	(do_fix_for_final_link): Add input_bfd and contents parameters.  Update
	call to get_bfd_fix.  Include offset from contents for partial_inplace
	relocations.
	(is_reloc_sym_weak): New.
	(pcrel_reloc_fits): Use new xtensa-isa.h functions.
	(prop_sec_len): New.
	(xtensa_is_property_section): Handle new property sections.
	(is_literal_section): Delete.
	(internal_reloc_compare): When r_offset matches, compare r_info and
	r_addend to make sorting predictable.
	(internal_reloc_matches): New.
	(xtensa_get_property_section_name): Handle new property sections.
	(xtensa_get_property_predef_flags): New.
	(xtensa_callback_required_dependence): Use bfd_get_section_limit.
	Update calls to xtensa_isa_init, is_l32r_relocation, and r_reloc_init.
	* xtensa-isa.c (xtensa_default_isa): Moved to elf32-xtensa.c.
	(xtisa_errno, xtisa_error_msg): New variables.
	(xtensa_isa_errno, xtensa_isa_error_msg): New.
	(xtensa_insnbuf_alloc): Add error handling.
	(xtensa_insnbuf_to_chars): Add num_chars parameter.  Update to
	use xtensa_format_decode.  Add error handling.
	(xtensa_insnbuf_from_chars): Add num_chars parameter.  Decode the
	instruction length to find the number of bytes to copy.
	(xtensa_isa_init): Add error handling.  Replace calls to
	xtensa_load_isa and xtensa_extend_isa with code to initialize lookup
	tables in the xtensa_modules structure.
	(xtensa_check_isa_config, xtensa_add_isa, xtensa_load_isa,
	xtensa_extend_isa): Delete.
	(xtensa_isa_free): Change to only free lookup tables.
	(opname_lookup_compare): Replace with ...
	(xtensa_isa_name_compare): ... this function.  Use strcasecmp.
	(xtensa_insn_maxlength): Rename to ...
	(xtensa_isa_maxlength): ... this.
	(xtensa_insn_length): Delete.
	(xtensa_insn_length_from_first_byte): Replace with ...
	(xtensa_isa_length_from_chars): ... this function.
	(xtensa_num_opcodes): Rename to ...
	(xtensa_isa_num_opcodes): ... this.
	(xtensa_isa_num_pipe_stages, xtensa_isa_num_formats,
	xtensa_isa_num_regfiles, xtensa_isa_num_stages,
	xtensa_isa_num_sysregs, xtensa_isa_num_interfaces,
	xtensa_isa_num_funcUnits, xtensa_format_name, xtensa_format_lookup,
	xtensa_format_decode, xtensa_format_encode, xtensa_format_length,
	xtensa_format_num_slots, xtensa_format_slot_nop_opcode,
	xtensa_format_get_slot, xtensa_format_set_slot): New functions.
	(xtensa_opcode_lookup): Add error handling.
	(xtensa_decode_insn): Replace with ...
	(xtensa_opcode_decode): ... this function, with new format and
	slot parameters.  Add error handling.
	(xtensa_encode_insn): Replace with ...
	(xtensa_opcode_encode): ... this function, which does the encoding via
	one of the entries in the "encode_fns" array.  Add error handling.
	(xtensa_opcode_name): Add error handling.
	(xtensa_opcode_is_branch, xtensa_opcode_is_jump, xtensa_opcode_is_loop,
	xtensa_opcode_is_call): New.
	(xtensa_num_operands): Replace with ...
	(xtensa_opcode_num_operands): ... this function.  Add error handling.
	(xtensa_opcode_num_stateOperands,
	xtensa_opcode_num_interfaceOperands, xtensa_opcode_num_funcUnit_uses,
	xtensa_opcode_funcUnit_use, xtensa_operand_name,
	xtensa_operand_is_visible): New.
	(xtensa_get_operand, xtensa_operand_kind): Delete.
	(xtensa_operand_inout): Add error handling and special-case for
	"sout" operands.
	(xtensa_operand_get_field, xtensa_operand_set_field): Rewritten to
	operate on one slot of an instruction.  Added error handling.
	(xtensa_operand_encode): Handle default operands with no encoding
	functions.  Check for success by comparing against decoded value.
	Add error handling.
	(xtensa_operand_decode): Handle default operands.  Return decoded value
	through argument pointer.  Add error handling.
	(xtensa_operand_is_register, xtensa_operand_regfile,
	xtensa_operand_num_regs, xtensa_operand_is_known_reg): New.
	(xtensa_operand_isPCRelative): Rename to ...
	(xtensa_operand_is_PCrelative): ... this.  Add error handling.
	(xtensa_operand_do_reloc, xtensa_operand_undo_reloc): Return value
	through argument pointer.  Add error handling.
	(xtensa_stateOperand_state, xtensa_stateOperand_inout,
	xtensa_interfaceOperand_interface, xtensa_regfile_lookup,
	xtensa_regfile_lookup_shortname, xtensa_regfile_name,
	xtensa_regfile_shortname, xtensa_regfile_view_parent,
	xtensa_regfile_num_bits, xtensa_regfile_num_entries,
	xtensa_state_lookup, xtensa_state_name, xtensa_state_num_bits,
	xtensa_state_is_exported, xtensa_sysreg_lookup,
	xtensa_sysreg_lookup_name, xtensa_sysreg_name, xtensa_sysreg_number,
	xtensa_sysreg_is_user, xtensa_interface_lookup, xtensa_interface_name,
	xtensa_interface_num_bits, xtensa_interface_inout,
	xtensa_interface_has_side_effect, xtensa_funcUnit_lookup,
	xtensa_funcUnit_name, xtensa_funcUnit_num_copies): New.
	* xtensa-modules.c: Rewrite to use new data structures.
	* reloc.c (BFD_RELOC_XTENSA_DIFF8, BFD_RELOC_XTENSA_DIFF16,
	BFD_RELOC_XTENSA_DIFF32, BFD_RELOC_XTENSA_SLOT0_OP,
	BFD_RELOC_XTENSA_SLOT1_OP, BFD_RELOC_XTENSA_SLOT2_OP,
	BFD_RELOC_XTENSA_SLOT3_OP, BFD_RELOC_XTENSA_SLOT4_OP,
	BFD_RELOC_XTENSA_SLOT5_OP, BFD_RELOC_XTENSA_SLOT6_OP,
	BFD_RELOC_XTENSA_SLOT7_OP, BFD_RELOC_XTENSA_SLOT8_OP,
	BFD_RELOC_XTENSA_SLOT9_OP, BFD_RELOC_XTENSA_SLOT10_OP,
	BFD_RELOC_XTENSA_SLOT11_OP, BFD_RELOC_XTENSA_SLOT12_OP,
	BFD_RELOC_XTENSA_SLOT13_OP, BFD_RELOC_XTENSA_SLOT14_OP,
	BFD_RELOC_XTENSA_SLOT0_ALT, BFD_RELOC_XTENSA_SLOT1_ALT,
	BFD_RELOC_XTENSA_SLOT2_ALT, BFD_RELOC_XTENSA_SLOT3_ALT,
	BFD_RELOC_XTENSA_SLOT4_ALT, BFD_RELOC_XTENSA_SLOT5_ALT,
	BFD_RELOC_XTENSA_SLOT6_ALT, BFD_RELOC_XTENSA_SLOT7_ALT,
	BFD_RELOC_XTENSA_SLOT8_ALT, BFD_RELOC_XTENSA_SLOT9_ALT,
	BFD_RELOC_XTENSA_SLOT10_ALT, BFD_RELOC_XTENSA_SLOT11_ALT,
	BFD_RELOC_XTENSA_SLOT12_ALT, BFD_RELOC_XTENSA_SLOT13_ALT,
	BFD_RELOC_XTENSA_SLOT14_ALT): Add new relocations.
	* Makefile.am (xtensa-isa.lo, xtensa-modules.lo): Update dependencies.
	* Makefile.in: Regenerate.
	* bfd-in2.h: Likewise.
	* libbfd.h: Likewise.

gas ChangeLog

	* config/tc-xtensa.c (absolute_literals_supported): New global flag.
	(UNREACHABLE_MAX_WIDTH): Define.
	(XTENSA_FETCH_WIDTH): Delete.
	(cur_vinsn, xtensa_fetch_width, xt_saved_debug_type, past_xtensa_end,
	prefer_const16, prefer_l32r): New global variables.
	(LIT4_SECTION_NAME): Define.
	(lit4_state struct): Add lit4_seg_name and lit4_seg fields.
	(XTENSA_PROP_*, GET_XTENSA_PROP_*, SET_XTENSA_PROP_*): Define.
	(frag_flags struct): New.
	(xtensa_block_info struct): Move from tc-xtensa.h.  Add flags field.
	(subseg_map struct): Add cur_total_freq and cur_target_freq fields.
	(bitfield, bit_is_set, set_bit, clear_bit): Define.
	(MAX_FORMATS): Define.
	(op_placement_info struct, op_placement_table): New.
	(O_pltrel, O_hi16, O_lo16): Define.
	(directiveE enum): Rename directive_generics to directive_transform.
	Delete directive_relax.  Add directive_schedule,
	directive_absolute_literals, and directive_last_directive.
	(directive_info): Rename "generics" to "transform".  Delete "relax".
	Add "schedule" and "absolute-literals".
	(directive_state): Adjust entries to match changes in directive_info.
	(xtensa_relax_statesE, RELAX_IMMED_MAXSTEPS): Move to tc-xtensa.h.
	(xtensa_const16_opcode, xtensa_movi_opcode, xtensa_movi_n_opcode,
	xtensa_l32r_opcode, xtensa_nop_opcode, xtensa_rsr_lcount_opcode): New.
	(xtensa_j_opcode, xtensa_rsr_opcode): Delete.
	(align_only_targets, software_a0_b_retw_interlock,
	software_avoid_b_j_loop_end, maybe_has_b_j_loop_end,
	software_avoid_short_loop, software_avoid_close_loop_end,
	software_avoid_all_short_loops, specific_opcode): Delete.
	(warn_unaligned_branch_targets): New.
	(workaround_a0_b_retw, workaround_b_j_loop_end, workaround_short_loop,
	workaround_close_loop_end, workaround_all_short_loops): Default FALSE.
	(option_[no_]link_relax, option_[no_]transform,
	option_[no_]absolute_literals, option_warn_unaligned_targets,
	option_prefer_l32r, option_prefer_const16, option_target_hardware):
	New enum values.
	(option_[no_]align_only_targets, option_literal_section_name,
	option_text_section_name, option_data_section_name,
	option_bss_section_name, option_eb, option_el): Delete.
	(md_longopts): Add entries for: [no-]transform, [no-]absolute-literals,
	warn-unaligned-targets, prefer-l32r, prefer-const16, [no-]link-relax,
	and target-hardware.  Delete entries for [no-]target-align-only,
	literal-section-name, text-section-name, data-section-name, and
	bss-section-name.
	(md_parse_option): Handle new options and remove old ones.  Accept but
	ignore [no-]density options.  Warn for [no-]generics and [no-]relax
	and treat them as [no-]transform.
	(md_show_usage): Add new options and remove old ones.
	(xtensa_setup_hw_workarounds): New.
	(md_pseudo_table): Change "word" entry to use xtensa_elf_cons.  Add
	"long", "short", "loc" and "frequency" entries.
	(use_generics): Rename to ...
	(use_transform): ... this function.  Add past_xtensa_end check.
	(use_longcalls): Add past_xtensa_end check.
	(code_density_available, can_relax): Delete.
	(do_align_targets): New.
	(get_directive): Accept dashes in directive names.  Warn about
	[no-]generics and [no-]relax directives and treat them as
	[no-]transform.
	(xtensa_begin_directive): Call md_flush_pending_output only for some
	directives.  Check for directives inside instruction bundles.  Warn
	about deprecated ".begin literal" usage.  Warn and ignore [no-]density
	directives.  Handle new directives.  Check generating_literals flag
	for literal_prefix.
	(xtensa_end_directive): Check for directives inside instruction
	bundles.  Warn and ignore [no-]density directives.  Handle new
	directives.  Call xtensa_set_frag_assembly_state.
	(xtensa_loc_directive_seen, xtensa_dwarf2_directive_loc,
	xtensa_dwarf2_emit_insn): New.
	(xtensa_literal_position): Call md_flush_pending_output.  Do not check
	use_literal_section flag.
	(xtensa_literal_pseudo): Call md_flush_pending_output.  Handle absolute
	literals.  Use xtensa_elf_cons to parse the expression.
	(xtensa_literal_prefix): Do not check use_literal_section.  Support
	".lit4" sections for absolute literals.  Change prefix convention to
	replace ".text" (or ".t" in a linkonce section).  No need to call
	subseg_set.
	(xtensa_frequency_pseudo, xtensa_elf_cons, xtensa_elf_suffix): New.
	(expression_end): Handle closing braces and colons.
	(PLT_SUFFIX, plt_suffix): Delete.
	(expression_maybe_register): Use new xtensa-isa.h functions.  Use
	xtensa_elf_suffix instead of checking for plt suffix, and handle O_lo16
	and O_hi16 expressions as well.
	(tokenize_arguments): Handle closing braces and colons.
	(parse_arguments): Use new xtensa-isa.h functions.  Handle "invisible"
	operands and paired register syntax.
	(get_invisible_operands): New.
	(xg_translate_sysreg_op): Handle new Xtensa LX RSR/WSR/XSR syntax.  Use
	new xtensa-isa.h functions.
	(xtensa_translate_old_userreg_ops, xtensa_translate_zero_immed): New.
	(xg_translate_idioms): Check if inside bundle.  Use use_transform.
	Handle new Xtensa LX RSR/WSR/XSR syntax.  Remove code to widen density
	instructions.  Use xtensa_translate_zero_immed.
	(operand_is_immed, operand_is_pcrel_label): Delete.
	(get_relaxable_immed): Use new xtensa-isa.h functions.
	(get_opcode_from_buf): Add slot parameter.  Use new xtensa-isa.h
	functions.
	(xtensa_print_insn_table, print_vliw_insn): New.
	(is_direct_call_opcode): Use new xtensa-isa.h functions.
	(is_call_opcode, is_loop_opcode, is_conditional_branch_opcode,
	is_branch_or_jump_opcode): Delete.
	(is_movi_opcode, decode_reloc, encode_reloc, encode_alt_reloc): New.
	(opnum_to_reloc, reloc_to_opnum): Delete.
	(xtensa_insnbuf_set_operand, xtensa_insnbuf_get_operand): Use new
	xtensa-isa.h functions.  Operate on one slot of an instruction.
	(xtensa_insnbuf_set_immediate_field, is_negatable_branch,
	xg_get_insn_size): Delete.
	(xg_get_build_instr_size): Use xg_get_single_size.
	(xg_is_narrow_insn, xg_is_single_relaxable_insn): Update calls to
	xg_build_widen_table.  Use xg_get_single_size.
	(xg_get_max_narrow_insn_size): Delete.
	(xg_get_max_insn_widen_size, xg_get_max_insn_widen_literal_size,
	xg_is_relaxable_insn): Update calls to xg_build_widen_table.  Use
	xg_get_single_size.
	(xg_build_to_insn): Record the loc field.  Handle OP_OPERAND_HI16U and
	OP_OPERAND_LOW16U.  Check xg_valid_literal_expression.
	(xg_expand_to_stack, xg_expand_narrow): Update calls to
	xg_build_widen_table.  Use xg_get_single_size.
	(xg_immeds_fit): Use new xtensa-isa.h functions.  Update call to
	xg_check_operand.
	(xg_symbolic_immeds_fit): Likewise.  Also handle O_lo16 and O_hi16, and
	treat weak symbols conservatively.
	(xg_check_operand): Use new xtensa-isa.h functions.
	(is_dnrange): Delete.
	(xg_assembly_relax): Inline previous calls to tinsn_copy.
	(xg_finish_frag): Specify separate relax states for the frag and slot0.
	(is_branch_jmp_to_next, xg_add_branch_and_loop_targets): Use new
	xtensa-isa.h functions.
	(xg_instruction_matches_option_term, xg_instruction_matches_or_options,
	xg_instruction_matches_options): New.
	(xg_instruction_matches_rule): Handle O_register expressions.  Call
	xg_instruction_matches_options.
	(transition_rule_cmp): New.
	(xg_instruction_match): Update call to xg_build_simplify_table.
	(xg_build_token_insn): Record loc fields.
	(xg_simplify_insn): Check is_specific_opcode field and
	density_supported flag.
	(xg_expand_assembly_insn): Skip checking code_density_available.  Use
	new xtensa-isa.h functions.  Call use_transform instead of can_relax.
	(xg_assemble_literal): Add error handling for O_big.  Call
	record_alignment.  Handle O_pltrel.
	(xg_valid_literal_expression): New.
	(xg_assemble_literal_space): Add slot parameter.  Remove call to
	set_expr_symbol_offset.  Add call to record_alignment.  Update call to
	xg_finish_frag.
	(xg_emit_insn): Delete.
	(xg_emit_insn_to_buf): Add format parameter.  Update calls to
	xg_add_opcode_fix and xtensa_insnbuf_to_chars.
	(xg_add_opcode_fix): Change opcode parameter to tinsn and add format
	and slot parameters.  Handle new "alternate" relocations for absolute
	literals and CONST16 instructions.  Check for bad uses of O_lo16 and
	O_hi16.  Use new xtensa-isa.h functions.
	(xg_assemble_tokens): Delete.
	(is_register_writer): Use new xtensa-isa.h functions.
	(is_bad_loopend_opcode): Check for xtensa_rsr_lcount_opcode instead of
	old-style RSR from LCOUNT.
	(next_frag_opcode): Delete.
	(next_frag_opcode_is_loop, next_frag_format_size, frag_format_size,
	update_next_frag_state): New.
	(update_next_frag_nop_state): Delete.
	(next_frag_pre_opcode_bytes): Use next_frag_opcode_is_loop.
	(xtensa_mark_literal_pool_location): Check use_literal_section flag and
	the state of the absolute-literals directive.  Add calls to
	record_alignment and xtensa_set_frag_assembly_state.  Call
	xtensa_switch_to_non_abs_literal_fragment instead of
	xtensa_switch_to_literal_fragment.
	(build_nop): New.
	(assemble_nop): Use build_nop.  Update call to xtensa_insnbuf_to_chars.
	(get_expanded_loop_offset): Change check for undefined opcode to an
	assertion.
	(xtensa_set_frag_assembly_state, relaxable_section,
	xtensa_find_unmarked_state_frags, xtensa_find_unaligned_branch_targets,
	xtensa_find_unaligned_loops, xg_apply_tentative_value): New.
	(md_begin): Update call to xtensa_isa_init.  Initialize linkrelax to 1.
	Set lit4_seg_name.  Call xg_init_vinsn.  Initialize new global opcodes.
	Call init_op_placement_info_table and xtensa_set_frag_assembly_state.
	(xtensa_init_fix_data): New.
	(xtensa_frob_label): Reset label symbol to the current frag.  Check
	do_align_targets and generating_literals flag.  Propagate frequency
	info to new alignment frag.  Call xtensa_set_frag_assembly_state.
	(xtensa_unrecognized_line): New.
	(xtensa_flush_pending_output): Check if inside a bundle.  Add a call
	to xtensa_set_frag_assembly_state.
	(error_reset_cur_vinsn): New.
	(md_assemble): Remove check for literal frag.  Remove call to
	istack_init.  Call use_transform instead of use_generics.  Parse
	explicit instruction format specifiers.  Move code for
	a0_b_retw_interlock workaround to xg_assemble_vliw_tokens.  Call
	error_reset_cur_vinsn on errors.  Add call to get_invisible_operands.
	Add dwarf2_where call.  Remote automatic alignment for ENTRY
	instructions.  Move call to xtensa_clear_insn_labels to the end.
	Rearrange to handle bundles.
	(xtensa_cons_fix_new): Delete.
	(xtensa_handle_align): New.
	(xtensa_frag_init): Call xtensa_set_frag_assembly_state.  Remove
	assignment to is_no_density field.
	(md_pcrel_from): Use new xtensa-isa.h functions.  Use decode_reloc
	instead of reloc_to_opnum.  Handle "alternate" relocations.
	(xtensa_force_relocation, xtensa_check_inside_bundle,
	xtensa_elf_section_change_hook): New.
	(xtensa_symbol_new_hook): Delete.
	(xtensa_fix_adjustable): Check for difference of symbols with an
	offset.  Check for external and weak symbols.
	(md_apply_fix3): Remove cases for XTENSA_OP{0,1,2} relocs.
	(md_estimate_size_before_relax): Return expansion for the first slot.
	(tc_gen_reloc): Handle difference of symbols by producing
	XTENSA_DIFF{8,16,32} relocs and by writing the value of the difference
	into the output.  Handle new XTENSA_SLOT*_OP relocs by storing the
	tentative values into the output when linkrelax is set.
	(XTENSA_PROP_SEC_NAME): Define.
	(xtensa_post_relax_hook): Call xtensa_find_unmarked_state_frags.
	Create literal tables only if using literal sections.  Create new
	property tables instead of old instruction tables.  Check for unaligned
	branch targets and loops.
	(finish_vinsn, find_vinsn_conflicts, check_t1_t2_reads_and_writes,
	new_resource_table, clear_resource_table, resize_resource_table,
	resources_available, reserve_resources, release_resources,
	opcode_funcUnit_use_unit, opcode_funcUnit_use_stage,
	resources_conflict, xg_find_narrowest_format, relaxation_requirements,
	bundle_single_op, emit_single_op, xg_assemble_vliw_tokens): New.
	(xtensa_end): Call xtensa_flush_pending_output.  Set past_xtensa_end
	flag.  Update checks for workaround options.  Call
	xtensa_mark_narrow_branches and xtensa_mark_zcl_first_insns.
	(xtensa_cleanup_align_frags): Add special case for branch targets.
	Check for and mark unreachable frags.
	(xtensa_fix_target_frags): Remove use of align_only_targets flag.
	Use RELAX_LOOP_END_BYTES in special case for negatable branch at the
	end of a zero-overhead loop body.
	(frag_can_negate_branch): Handle instructions with multiple slots.
	Use new xtensa-isa.h functions
	(xtensa_mark_narrow_branches, is_narrow_branch_guaranteed_in_range,
	xtensa_mark_zcl_first_insns): New.
	(xtensa_fix_a0_b_retw_frags, xtensa_fix_b_j_loop_end_frags): Error if
	transformations are disabled.
	(next_instrs_are_b_retw): Use new xtensa-isa.h functions.  Handle
	multislot instructions.
	(xtensa_fix_close_loop_end_frags, xtensa_fix_short_loop_frags):
	Likewise.  Also error if transformations are disabled.
	(unrelaxed_frag_max_size): New.
	(unrelaxed_frag_min_insn_count, unrelax_frag_has_b_j): Use new
	xtensa-isa.h functions.
	(xtensa_sanity_check, is_empty_loop, is_local_forward_loop): Use
	xtensa_opcode_is_loop instead of is_loop_opcode.
	(get_text_align_power): Replace as_fatal with assertion.
	(get_text_align_fill_size): Iterate instead of using modulus when
	use_nops is false.
	(get_noop_aligned_address): Assert that this is for a machine-dependent
	RELAX_ALIGN_NEXT_OPCODE frag.  Use next_frag_opcode_is_loop,
	xg_get_single_size, and frag_format_size.
	(get_widen_aligned_address): Rename to ...
	(get_aligned_diff): ... this function.  Add max_diff parameter.
	Remove handling of rs_align/rs_align_code frags.  Use
	next_frag_format_size, get_text_align_power, get_text_align_fill_size,
	next_frag_opcode_is_loop, and xg_get_single_size.  Compute max_diff
	and pass it back to caller.
	(xtensa_relax_frag): Use relax_frag_loop_align.  Add code for new
	RELAX_SLOTS, RELAX_MAYBE_UNREACHABLE, RELAX_MAYBE_DESIRE_ALIGN,
	RELAX_FILL_NOP, and RELAX_UNREACHABLE frag types.  Check relax_seen.
	(relax_frag_text_align): Rename to ...
	(relax_frag_loop_align): ... this function.  Assume loops can only be
	in the first slot of an instruction.
	(relax_frag_add_nop): Use assemble_nop instead of constructing an OR
	instruction.  Remove call to frag_wane.
	(relax_frag_narrow): Rename to ...
	(relax_frag_for_align): ... this function.  Extend to handle
	RELAX_FILL_NOP and RELAX_UNREACHABLE, as well as RELAX_SLOTS with
	RELAX_NARROW for the first slot.
	(find_address_of_next_align_frag, bytes_to_stretch): New.
	(future_alignment_required): Use find_address_of_next_align_frag and
	bytes_to_stretch.  Look ahead to subsequent frags to make smarter
	alignment decisions.
	(relax_frag_immed): Add format, slot, and estimate_only parameters.
	Check if transformations are enabled for b_j_loop_end workaround.
	Use new xtensa-isa.h functions and handle multislot instructions.
	Update call to xg_assembly_relax.
	(md_convert_frag): Handle new RELAX_SLOTS, RELAX_UNREACHABLE,
	RELAX_MAYBE_UNREACHABLE, RELAX_MAYBE_DESIRE_ALIGN, and RELAX_FILL_NOP
	frag types.
	(convert_frag_narrow): Add segP, format and slot parameters.  Call
	convert_frag_immed for branch instructions.  Adjust calls to
	tinsn_from_chars, tinsn_immed_from_frag, and xg_emit_insn_to_buf.  Use
	xg_get_single_size and xg_get_single_format.
	(convert_frag_fill_nop): New.
	(convert_frag_immed): Add format and slot parameters.  Handle multislot
	instructions and use new xtensa-isa.h functions.  Update calls to
	tinsn_immed_from_frag and xg_assembly_relax.  Check if transformations
	enabled for b_j_loop_end workaround.  Use build_nop instead of
	assemble_nop.  Check is_specific_opcode flag.  Check for unreachable
	frags.  Use xg_get_single_size.  Handle O_pltrel.
	(fix_new_exp_in_seg): Remove check for old plt flag.
	(convert_frag_immed_finish_loop): Update calls to tinsn_from_chars and
	xtensa_insnbuf_to_chars.  Call tinsn_immed_from_frag.  Change check
	for loop opcode to an assertion.  Mark all frags up to the end of the
	loop as not transformable.
	(get_last_insn_flags, set_last_insn_flags): Use get_subseg_info.
	(get_subseg_info): New.
	(xtensa_move_literals): Call xtensa_set_frag_assembly_state.  Add null
	check for dest_seg.
	(xtensa_switch_to_literal_fragment): Rewrite to handle absolute
	literals and use xtensa_switch_to_non_abs_literal_fragment otherwise.
	(xtensa_switch_to_non_abs_literal_fragment): New.
	(cache_literal_section): Add is_code parameter and pass it through to
	retrieve_literal_seg.
	(retrieve_literal_seg): Add is_code parameter and use it to set the
	flags on the literal section.  Handle case where head parameter is 0.
	(get_frag_is_no_transform, set_frag_is_specific_opcode,
	set_frag_is_no_transform): New.
	(xtensa_create_property_segments): Add end_property_function parameter
	and pass it through to add_xt_block_frags.  Call bfd_get_section_flags
	and skip SEC_DEBUGGING and !SEC_ALLOC sections.
	(xtensa_create_xproperty_segments, section_has_xproperty): New.
	(add_xt_block_frags): Add end_property_function parameter and call it
	if it is non-zero.  Call xtensa_frag_flags_init.
	(xtensa_frag_flags_is_empty, xtensa_frag_flags_init,
	get_frag_property_flags, frag_flags_to_number,
	xtensa_frag_flags_combinable, xt_block_aligned_size,
	xtensa_xt_block_combine, add_xt_prop_frags,
	init_op_placement_info_table, opcode_fits_format_slot,
	xg_get_single_size, xg_get_single_format): New.
	(istack_push): Inline call to tinsn_copy.
	(tinsn_copy): Delete.
	(tinsn_has_invalid_symbolic_operands): Handle O_hi16 and O_lo16 and
	CONST16 opcodes.  Handle O_big, O_illegal, and O_absent.
	(tinsn_has_complex_operands): Handle O_hi16 and O_lo16.
	(tinsn_to_insnbuf): Use xg_get_single_format and new xtensa-isa.h
	functions.  Handle invisible operands.
	(tinsn_to_slotbuf): New.
	(tinsn_check_arguments): Use new xtensa-isa.h functions.
	(tinsn_from_chars): Add slot parameter.  Rewrite using xg_init_vinsn,
	vinsn_from_chars, and xg_free_vinsn.
	(tinsn_from_insnbuf): New.
	(tinsn_immed_from_frag): Add slot parameter and handle multislot
	instructions.  Handle symbol differences.
	(get_num_stack_text_bytes): Use xg_get_single_size.
	(xg_init_vinsn, xg_clear_vinsn, vinsn_has_specific_opcodes,
	xg_free_vinsn, vinsn_to_insnbuf, vinsn_from_chars, expr_is_register,
	get_expr_register, set_expr_symbol_offset_diff): New.
	* config/tc-xtensa.h (MAX_SLOTS): Define.
	(xtensa_relax_statesE): Move from tc-xtensa.c. Add
	RELAX_CHECK_ALIGN_NEXT_OPCODE, RELAX_MAYBE_DESIRE_ALIGN, RELAX_SLOTS,
	RELAX_FILL_NOP, RELAX_UNREACHABLE, RELAX_MAYBE_UNREACHABLE, and
	RELAX_NONE types.
	(RELAX_IMMED_MAXSTEPS): Move from tc-xtensa.c.
	(xtensa_frag_type struct): Add is_assembly_state_set,
	use_absolute_literals, relax_seen, is_unreachable, is_specific_opcode,
	is_align, is_text_align, alignment, and is_first_loop_insn fields.
	Replace is_generics and is_relax fields by is_no_transform field.
	Delete is_text and is_longcalls fields.  Change text_expansion and
	literal_expansion to arrays of MAX_SLOTS entries.  Add arrays of
	per-slot information: literal_frags, slot_subtypes, slot_symbols,
	slot_sub_symbols, and slot_offsets.  Add fr_prev field.
	(xtensa_fix_data struct): New.
	(xtensa_symfield_type struct): Delete plt field.
	(xtensa_block_info struct): Move definition to tc-xtensa.h.  Add
	forward declaration here.
	(xt_section_type enum): Delete xt_insn_sec.  Add xt_prop_sec.
	(XTENSA_SECTION_RENAME): Undefine.
	(TC_FIX_TYPE, TC_INIT_FIX_DATA, TC_FORCE_RELOCATION, NO_PSEUDO_DOT,
	tc_unrecognized_line, md_do_align, md_elf_section_change_hook,
	HANDLE_ALIGN, TC_LINKRELAX_FIXUP, SUB_SEGMENT_ALIGN): Define.
	(TC_CONS_FIX_NEW, tc_symbol_new_hook): Delete.
	(unit_num_copies_func, opcode_num_units_func,
	opcode_funcUnit_use_unit_func, opcode_funcUnit_use_stage_func): New.
	(resource_table struct): New.
	* config/xtensa-istack.h (MAX_INSN_ARGS): Increase from 6 to 10.
	(TInsn struct): Add keep_wide, loc, fixup, record_fix, subtype,
	literal_space, symbol, sub_symbol, offset, and literal_frag fields.
	(tinsn_copy): Delete prototype.
	(vliw_insn struct): New.
	* config/xtensa-relax.c (insn_pattern_struct): Add options field.
	(widen_spec_list): Add option conditions for density and boolean
	instructions.  Add expansions using CONST16 and conditions for using
	CONST16 vs. L32R.  Use new Xtensa LX RSR/WSR syntax.  Add entries for
	predicted branches.
	(simplify_spec_list): Add option conditions for density instructions.
	Add entry for NOP instruction.
	(append_transition): Add cmp function pointer parameter and use it to
	insert the new entry in order.
	(operand_function_LOW16U, operand_function_HI16U): New.
	(xg_has_userdef_op_fn, xg_apply_userdef_op_fn): Handle
	OP_OPERAND_LOW16U and OP_OPERAND_HI16U.
	(enter_opname, split_string): Use xstrdup instead of strdup.
	(init_insn_pattern): Initialize new options field.
	(clear_req_or_option_list, clear_req_option_list,
	clone_req_or_option_list, clone_req_option_list, parse_option_cond):
	New.
	(parse_insn_pattern): Parse option conditions.
	(transition_applies): New.
	(build_transition): Use new xtensa-isa.h functions.  Fix incorrectly
	swapped last arguments in calls to append_constant_value_condition.
	Call clone_req_option_list.  Add warning about invalid opcode.
	Handle LOW16U and HI16U function names.
	(build_transition_table): Add cmp parameter and use it in calls to
	append_transition.  Use new xtensa-isa.h functions.  Check
	transition_applies before adding entries.
	(xg_build_widen_table, xg_build_simplify_table): Add cmp parameter and
	pass it through to build_transition_table.
	* config/xtensa-relax.h (ReqOrOptionList, ReqOrOption, ReqOptionList,
	ReqOption, transition_cmp_fn): New types.
	(OpType enum): Add OP_OPERAND_LOW16U and OP_OPERAND_HI16U.
	(transition_rule struct): Add options field.
	* doc/as.texinfo (Overview): Update Xtensa options.
	* doc/c-xtensa.texi (Xtensa Options): Delete --[no-]density,
	--[no-]relax, and --[no-]generics options.  Update descriptions of
	--text-section-literals and --[no-]longcalls.  Add
	--[no-]absolute-literals and --[no-]transform.
	(Xtensa Syntax): Add description of syntax for FLIX instructions.
	Remove use of "generic" and "specific" terminology for opcodes.
	(Xtensa Registers): Generalize the syntax description to include
	user-defined register files.
	(Xtensa Automatic Alignment): Update.
	(Xtensa Branch Relaxation): Mention limitation of unconditional jumps.
	(Xtensa Call Relaxation): Linker can now remove most of the overhead.
	(Xtensa Directives): Remove confusing rules about precedence.
	(Density Directive, Relax Directive): Delete.
	(Schedule Directive): New.
	(Generics Directive): Rename to ...
	(Transform Directive): ... this node.
	(Literal Directive): Update for absolute literals.  Missing
	literal_position directive is now an error.
	(Literal Position Directive): Update for absolute literals.
	(Freeregs Directive): Delete.
	(Absolute Literals Directive): New.
	(Frame Directive): Minor editing.
	* Makefile.am (DEPTC_xtensa_elf, DEPOBJ_xtensa_elf, DEP_xtensa_elf):
	Update dependencies.
	* Makefile.in: Regenerate.

gas/testsuite ChangeLog

	* gas/xtensa/all.exp: Adjust expected error message for j_too_far.
	Change entry_align test to expect an error.
	* gas/xtensa/entry_misalign2.s: Use no-transform instead of
	no-generics directives.

include ChangeLog

	* xtensa-config.h (XSHAL_USE_ABSOLUTE_LITERALS,
	XCHAL_HAVE_PREDICTED_BRANCHES, XCHAL_INST_FETCH_WIDTH): New.
	(XCHAL_EXTRA_SA_SIZE, XCHAL_EXTRA_SA_ALIGN): Delete.
	* xtensa-isa-internal.h (ISA_INTERFACE_VERSION): Delete.
	(config_sturct struct): Delete.
	(XTENSA_OPERAND_IS_REGISTER, XTENSA_OPERAND_IS_PCRELATIVE,
	XTENSA_OPERAND_IS_INVISIBLE, XTENSA_OPERAND_IS_UNKNOWN,
	XTENSA_OPCODE_IS_BRANCH, XTENSA_OPCODE_IS_JUMP,
	XTENSA_OPCODE_IS_LOOP, XTENSA_OPCODE_IS_CALL,
	XTENSA_STATE_IS_EXPORTED, XTENSA_INTERFACE_HAS_SIDE_EFFECT): Define.
	(xtensa_format_encode_fn, xtensa_get_slot_fn, xtensa_set_slot_fn): New.
	(xtensa_insn_decode_fn): Rename to ...
	(xtensa_opcode_decode_fn): ... this.
	(xtensa_immed_decode_fn, xtensa_immed_encode_fn, xtensa_do_reloc_fn,
	xtensa_undo_reloc_fn): Update.
	(xtensa_encoding_template_fn): Delete.
	(xtensa_opcode_encode_fn, xtensa_format_decode_fn,
	xtensa_length_decode_fn): New.
	(xtensa_format_internal, xtensa_slot_internal): New types.
	(xtensa_operand_internal): Delete operand_kind, inout, isPCRelative,
	get_field, and set_field fields.  Add name, field_id, regfile,
	num_regs, and flags fields.
	(xtensa_arg_internal): New type.
	(xtensa_iclass_internal): Change operands field to array of
	xtensa_arg_internal.  Add num_stateOperands, stateOperands,
	num_interfaceOperands, and interfaceOperands fields.
	(xtensa_opcode_internal): Delete length, template, and iclass fields.
	Add iclass_id, flags, encode_fns, num_funcUnit_uses, and funcUnit_uses.
	(opname_lookup_entry): Delete.
	(xtensa_regfile_internal, xtensa_interface_internal,
	xtensa_funcUnit_internal, xtensa_state_internal,
	xtensa_sysreg_internal, xtensa_lookup_entry): New.
	(xtensa_isa_internal): Replace opcode_table field with opcodes field.
	Change type of opname_lookup_table.  Delete num_modules,
	module_opcode_base, module_decode_fn, config, and has_density fields.
	Add num_formats, formats, format_decode_fn, length_decode_fn,
	num_slots, slots, num_fields, num_operands, operands, num_iclasses,
	iclasses, num_regfiles, regfiles, num_states, states,
	state_lookup_table, num_sysregs, sysregs, sysreg_lookup_table,
	max_sysreg_num, sysreg_table, num_interfaces, interfaces,
	interface_lookup_table, num_funcUnits, funcUnits and
	funcUnit_lookup_table fields.
	(xtensa_isa_module, xtensa_isa_modules): Delete.
	(xtensa_isa_name_compare): New prototype.
	(xtisa_errno, xtisa_error_msg): New.
	* xtensa-isa.h (XTENSA_ISA_VERSION): Define.
	(xtensa_isa): Change type.
	(xtensa_operand): Delete.
	(xtensa_format, xtensa_regfile, xtensa_state, xtensa_sysreg,
	xtensa_interface, xtensa_funcUnit, xtensa_isa_status,
	xtensa_funcUnit_use): New types.
	(libisa_module_specifier): Delete.
	(xtensa_isa_errno, xtensa_isa_error_msg): New prototypes.
	(xtensa_insnbuf_free, xtensa_insnbuf_to_chars,
	xtensa_insnbuf_from_chars): Update prototypes.
	(xtensa_load_isa, xtensa_extend_isa, xtensa_default_isa,
	xtensa_insn_maxlength, xtensa_num_opcodes, xtensa_decode_insn,
	xtensa_encode_insn, xtensa_insn_length,
	xtensa_insn_length_from_first_byte, xtensa_num_operands,
	xtensa_operand_kind, xtensa_encode_result,
	xtensa_operand_isPCRelative): Delete.
	(xtensa_isa_init, xtensa_operand_inout, xtensa_operand_get_field,
	xtensa_operand_set_field, xtensa_operand_encode,
	xtensa_operand_decode, xtensa_operand_do_reloc,
	xtensa_operand_undo_reloc): Update prototypes.
	(xtensa_isa_maxlength, xtensa_isa_length_from_chars,
	xtensa_isa_num_pipe_stages, xtensa_isa_num_formats,
	xtensa_isa_num_opcodes, xtensa_isa_num_regfiles, xtensa_isa_num_states,
	xtensa_isa_num_sysregs, xtensa_isa_num_interfaces,
	xtensa_isa_num_funcUnits, xtensa_format_name, xtensa_format_lookup,
	xtensa_format_decode, xtensa_format_encode, xtensa_format_length,
	xtensa_format_num_slots, xtensa_format_slot_nop_opcode,
	xtensa_format_get_slot, xtensa_format_set_slot, xtensa_opcode_decode,
	xtensa_opcode_encode, xtensa_opcode_is_branch, xtensa_opcode_is_jump,
	xtensa_opcode_is_loop, xtensa_opcode_is_call,
	xtensa_opcode_num_operands, xtensa_opcode_num_stateOperands,
	xtensa_opcode_num_interfaceOperands, xtensa_opcode_num_funcUnit_uses,
	xtensa_opcode_funcUnit_use, xtensa_operand_name,
	xtensa_operand_is_visible, xtensa_operand_is_register,
	xtensa_operand_regfile, xtensa_operand_num_regs,
	xtensa_operand_is_known_reg, xtensa_operand_is_PCrelative,
	xtensa_stateOperand_state, xtensa_stateOperand_inout,
	xtensa_interfaceOperand_interface, xtensa_regfile_lookup,
	xtensa_regfile_lookup_shortname, xtensa_regfile_name,
	xtensa_regfile_shortname, xtensa_regfile_view_parent,
	xtensa_regfile_num_bits, xtensa_regfile_num_entries,
	xtensa_state_lookup, xtensa_state_name, xtensa_state_num_bits,
	xtensa_state_is_exported, xtensa_sysreg_lookup,
	xtensa_sysreg_lookup_name, xtensa_sysreg_name, xtensa_sysreg_number,
	xtensa_sysreg_is_user, xtensa_interface_lookup, xtensa_interface_name,
	xtensa_interface_num_bits, xtensa_interface_inout,
	xtensa_interface_has_side_effect, xtensa_funcUnit_lookup,
	xtensa_funcUnit_name, xtensa_funcUnit_num_copies): New prototypes.
	* elf/xtensa.h (R_XTENSA_DIFF8, R_XTENSA_DIFF16, R_XTENSA_DIFF32,
	R_XTENSA_SLOT*_OP, R_XTENSA_SLOT*_ALT): New relocations.
	(XTENSA_PROP_SEC_NAME): Define.
	(property_table_entry): Add flags field.
	(XTENSA_PROP_*, GET_XTENSA_PROP_*, SET_XTENSA_PROP_*): Define.

ld ChangeLog

	* ld.texinfo (Xtensa): Describe new linker relaxation to optimize
	assembler-generated longcall sequences.  Describe new --size-opt
	option.
	* emulparams/elf32xtensa.sh (OTHER_SECTIONS): Add .xt.prop section.
	* emultempl/xtensaelf.em (remove_section,
	replace_insn_sec_with_prop_sec, replace_instruction_table_sections,
	elf_xtensa_after_open): New.
	(OPTION_OPT_SIZEOPT, OPTION_LITERAL_MOVEMENT,
	OPTION_NO_LITERAL_MOVEMENT): Define.
	(elf32xtensa_size_opt, elf32xtensa_no_literal_movement): New globals.
	(PARSE_AND_LIST_LONGOPTS): Add size-opt and [no-]literal-movement.
	(PARSE_AND_LIST_OPTIONS): Add --size-opt.
	(PARSE_AND_LIST_ARGS_CASES): Handle OPTION_OPT_SIZEOPT,
	OPTION_LITERAL_MOVEMENT, and OPTION_NO_LITERAL_MOVEMENT.
	(LDEMUL_AFTER_OPEN): Set to elf_xtensa_after_open.
	* scripttempl/elfxtensa.sc: Update with changes from elf.sc.
	* Makefile.am (eelf32xtensa.c): Update dependencies.
	* Makefile.in: Regenerate.

ld/testsuite ChangeLog

	* ld-xtensa/lcall1.s: Use .literal directive.
	* ld-xtensa/lcall2.s: Align function entry.
	* ld-xtensa/coalesce2.s: Likewise.

opcodes ChangeLog

	* xtensa-dis.c (state_names): Delete.
	(fetch_data): Use xtensa_isa_maxlength.
	(print_xtensa_operand): Replace operand parameter with opcode/operand
	pair.  Remove print_sr_name parameter.  Use new xtensa-isa.h functions.
	(print_insn_xtensa): Use new xtensa-isa.h functions.  Handle multislot
	instruction bundles.  Use xmalloc instead of malloc.
2004-10-08 00:22:12 +00:00
Corinna Vinschen 60cb120f3e * cygheap.h (class cygheap_user): Add psystemroot member and
env_systemroot method.
	* environ.cc (struct spenv): Add add_always member.
	(spenvs): Accomodate new add_always member.  Add
	cygheap_user::env_systemroot method to SYSTEMROOT entry.
	(build_env): Check add_always member when adding missing environment
	variables from spenvs.
	* uinfo.cc (cygheap_user::env_systemroot): New method.
2004-10-07 21:28:57 +00:00
Corinna Vinschen 9286b55306 * dcrt0.cc (dll_crt0_0): Drop duplicated line. 2004-10-07 16:59:02 +00:00
Christopher Faylor d794d08157 revert erroneously applied change 2004-10-07 16:53:51 +00:00
Christopher Faylor 859d85dee0 * spawn.cc (pthread_cleanup::oldmask): Default to invalid signal mask.
(do_cleanup): Test for invalid signal mask to decide whether to restore the
mask rather than assuming zero mask indicates that there is nothing to do.
2004-10-07 16:49:30 +00:00
Nick Clifton 7c3db8ea2e Add linker option: --warn-shared-textrel to produce warnings when adding a
DT_TEXTREL to a shared object.
2004-10-07 14:45:23 +00:00
Nick Clifton 02a32322f3 Add support for CRX co-processor opcodes 2004-10-07 14:18:17 +00:00
Corinna Vinschen b9cd8fb5ff * fhandler_tty.cc (fhandler_tty_slave::read): Use previously
evaluated time_to_wait value.
2004-10-07 08:03:24 +00:00
Danny Smith 72db1c11e9 * include/math.h (ashinh, asinhf, asinhl, acosh, acoshf, acoshl,
atanh, atanhf, atanhl): Add prototypes.
	* mingwex/Makefile.in (MATH_OBJS): Add objects for above to list.
	(MATH_DISTFILES): Add sources for above and fastmath.h to list.
	Specify dependency on fastmath.h for new objects.
	* mingwex/math/fastmath.h: New file.
	* mingwex/math/ashinh.c: New file.
	* mingwex/math/asinhf.c: New file.
	* mingwex/math/asinhl.c: New file.
	* mingwex/math/acosh.c: New file.
	* mingwex/math/acoshf.c: New file.
	* mingwex/math/acoshl.c: New file.
	* mingwex/math/atanh.c: New file.
	* mingwex/math/atanhf.c: New file.
	* mingwex/math/atanhl.c: New file.
2004-10-06 20:31:32 +00:00
Eric Christopher 74b2bdc351 2004-10-06 Eric Christopher <echristo@redhat.com>
* dwarf2.h: Sync with gcc dwarf2.h. Fix typo.
2004-10-06 20:29:48 +00:00
Paolo Bonzini 5e6b1f07c9 2004-10-06 Paolo Bonzini <bonzini@gnu.org>
Fix wrong conflict resolution in:

	2004-08-16  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in: Regenerate.
	* Makefile.tpl (Autogenerated `all-*' targets): Invoke $(TARGET-*)
	in the recursive `make', instead of hardwiring `all'.
	(Autogenerated TARGET-* variables): New.
2004-10-06 10:15:24 +00:00
Corinna Vinschen 4f8dc86255 * strace.cc (_impure_ptr): Remove. 2004-10-06 09:51:11 +00:00
Corinna Vinschen 5f175ea697 * cygcheck.cc (dump_sysinfo): Warn about empty path-components. 2004-10-06 09:46:40 +00:00
Pierre Humblet b0637a5191 2004-10-05 Pierre Humblet <pierre.humblet@ieee.org>
* external.cc (check_ntsec): Do not call wincap.has_security.
	* path.cc (path_conv::check): Ditto.
	* security.cc (get_object_attribute): Ditto.
	(get_file_attribute): Ditto.
2004-10-06 01:33:39 +00:00
Jeff Johnston 49a8b8f05c 2004-10-05 Tomer Levi <Tomer.Levi@nsc.com>
* configure.in: Support crx-*-*.
        * configure: regenerate.
        * crx/_exit.c: New file.
        * crx/_getenv.c: Ditto.
        * crx/_rename: Ditto.
        * crx/close.c: Ditto.
        * crx/configure.in: Ditto.
        * crx/crti.S: Ditto.
        * crx/crtn.S: Ditto.
        * crx/crt0.S: Ditto.
        * crx/dvz_hndl.c: Ditto.
        * crx/flg_hndl.c: Ditto.
        * crx/fstat.c: Ditto.
        * crx/getpid.c: Ditto.
        * crx/iad_hndl.c: Ditto.
        * crx/intable.c: Ditto.
        * crx/isatty.c: Ditto.
        * crx/kill.c: Ditto.
        * crx/lseek.c: Ditto.
        * crx/Makefile.in: Ditto.
        * crx/open.c: Ditto.
        * crx/putnum.c: Ditto.
        * crx/read.c: Ditto.
        * crx/sbrk.c: Ditto.
        * crx/sim.ld: Ditto.
        * crx/stat.c: Ditto.
        * crx/svc_hndl.c: Ditto.
        * crx/time.c: Ditto.
        * crx/und_hndl.c: Ditto.
        * crx/unlink.c: Ditto.
        * crx/write.c: Ditto.
2004-10-05 20:00:53 +00:00
Jeff Johnston 1185687a7b 2004-10-05 Tomer Levi <Tomer.Levi@nsc.com>
* configure.host: Add support for crx.
        * libc/include/machine/ieeefp.h: Ditto.
        * libc/include/machine/setjmp.h: Ditto.
        * libc/machine/crx/Makefile.am: New file.
        * libc/machine/crx/configure.in: Ditto.
        * libc/machine/crx/setjmp.S: Ditto.
        * libc/machine/crx/getenv.c: Ditto.
        * libc/machine/crx/aclocal.m4: Generate.
        * libc/machine/crx/configure: Ditto.
        * libc/machine/crx/Makefile.in: Ditto.
        * libc/machine/crx/sys/asm.h: New file.
        * libc/machine/crx/sys/libh.h: Ditto.
        * libc/machine/crx/sys/syscall.h: Ditto.
2004-10-05 19:44:24 +00:00
Jeff Johnston 423152ed0a 2004-10-05 Jeff Johnston <jjohnstn@redhat.com>
* Makefile.am (stmp-targ-include): Support sys header files
        from machine directories.
        * Makefile.in: Regenerated.
2004-10-05 19:34:25 +00:00
Christopher Faylor 67eedd2473 revert erroneous checkin 2004-10-05 14:35:56 +00:00
Ulrich Weigand e5e8c8b886 2004-10-05 Ulrich Weigand <uweigand@de.ibm.com>
Merged from GCC / libtool upstream:
	2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
	* ltcf-c.sh (tpf*): Add ld_shlibs=yes.
	* ltcf-cxx.sh (tpf*): Likewise.
	* ltconfig (tpf*): Add TPF OS configuration support.
2004-10-05 13:34:42 +00:00
Christopher Faylor 0190304668 * pinfo.cc (_pinfo::commune_send): Correct debugging output. 2004-10-05 02:10:15 +00:00
Corinna Vinschen 1f8b30497d * bsd_mutex.cc (_msleep): Simplify event creation. Revert change from
2004-08-24.  It should be unnecessary now.
	* msg.cc (client_request_msg::serve): Release process critical
	section as early as possible.
	* sem.cc (client_request_sem::serve): Ditto.
	* shm.cc (client_request_shm::serve): Ditto.
	* process.cc: Use hold and release method calls instead of
	EnterCriticalSection/LeaveCriticalSection calls throughout.
	* process.h (_hold): Rename from hold.  Take filename and linenumber
	parameter for logging.  Define matching hold macro.
	(release): Ditto.
2004-10-04 19:44:05 +00:00
Jeff Johnston 3ea9de7644 2004-10-04 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdio/vfscanf.c (__svfscanf_r): For int conversions,
        count skipped zero characters as part of the nread count for %n.
        * libc/machine/powerpc/vfscanf.c: Ditto.
2004-10-04 17:51:50 +00:00
Christopher Faylor 298cac75d5 fix erroneous checkin 2004-10-04 14:06:02 +00:00
Christopher Faylor 34421ac3e5 * include/cygwin/signal.h: Add siginterrupt definition. 2004-10-04 14:04:31 +00:00
Corinna Vinschen a5aa8c3e3a * cygcheck.cc (pretty_id): Close pipe. 2004-10-04 09:42:08 +00:00
Pierre Humblet e49bc789b2 2004-10-02 Pierre Humblet <pierre.humblet@ieee.org>
* path.h (enum path_types): Delete PATH_ISDISK.
	(path_conv::isdisk): Delete method.
	(path_conv::set_isdisk): Ditto.
	* path.cc (path_conv::check): Do not call set_isdisk.
	* uinfo.cc(pwdgrp::load): Do not call pc.isdisk.
2004-10-02 02:20:21 +00:00
Nick Clifton 1e804b7425 The patch below adds binutils support for the SHT_ARM_EXIDX, as defined by
the ARM EABI.
2004-10-01 12:59:35 +00:00
Paul Brook 5bc90268ce 2004-01-01 Paul Brook <paul@codesourcery.com>
* arm/configure.in: Add *-*-aebi target.
	* arm/configure: Regenerate.
2004-10-01 11:37:17 +00:00
Corinna Vinschen c6ef5fb7ec * sysv_sem.cc: Update to FreeBSD version 1.69.
1.68: Reduce the overhead of semop() by using the kernel stack
	instead of malloc'd memory to store the operations array if it
	is small enough to fit.
	1.69: Adjust the number of processes waiting on a semaphore properly
	if we're woken up in the middle of sleeping.
2004-10-01 11:18:10 +00:00
Joshua Daniel Franklin 00ee07cb12 * how-using.texinfo: Fix typo. Add note about "Install For All Users" 2004-09-30 19:58:07 +00:00
Nick Clifton 36ad66d986 Enable target-libgloss for crx-*-*. 2004-09-30 16:34:36 +00:00
Nick Clifton 219d402cdc Apply Paul Brook's patch to implement armv6k instructions 2004-09-30 16:21:43 +00:00
Danny Smith f49a3937c8 * include/winbase.h (WINBASEAPI): Define as DECLSPEC_IMPORT only
if __W32API_USE_DLLIMPORT__ is defined.
	* include/winuser.h (WINUSERAPI): Likewise.
2004-09-30 09:08:17 +00:00
Joshua Daniel Franklin 747d02f791 * how-using.texinfo: Add FAQ about network shares and authentication. 2004-09-30 05:19:27 +00:00
Joshua Daniel Franklin 5ee7c50819 2004-09-30 Joshua Daniel Franklin <joshuadfranklin@yahoo.com>
* how-programming.texinfo: Add gcj note to WinMain@16 FAQ.
	* how-using.texinfo: Add FAQ about network shares and authentication.
	* install.texinfo: Add "Where is make" to FAQ subtitle.
2004-09-30 05:03:52 +00:00
Richard Sandiford 09ebdaf715 * configure.in (--without-headers): Add missing double quotes.
* configure: Regenerate.
2004-09-29 11:43:26 +00:00
Danny Smith 85153fb164 2004-09-29 Filip Navara <xnavara@volny.cz>
* include/ddk/(atm.h, batclass.h, cfg.h, cfgmgr32.h, d4drvif.h,
	d4iface.h, ddkmapi.h, hidclass.h, hidpi.h, mcd.h, miniport.h,
	mountdev.h, mountmgr.h, ndis.h, ndistapi.h, ndiswan.h, netpnp.h,
	newdev.h, ntapi.h, ntdd8042.h, ntddbeep.h, ntddcdrm.h, ntddcdvd.h,
	ntddchgr.h, ntdddisk.h, ntddkbd.h, ntddmou.h, ntddpar.h, ntddpcm.h,
	ntddscsi.h, ntddser.h, ntddstor.h, ntddtape.h, ntddtdi.h,
	ntddvdeo.h, ntddvol.h, ntpoapi.h, parallel.h, pfhook.h, poclass.h,
	scsi.h, scsiscan.h, smbus.h, srb.h, storport.h, tdiinfo.h,
	tdikrnl.h, tvout.h, upssvc.h, usb.h, usb100.h, usbdi.h, usbioctl.h,
	usbiodef.h, usbscan.h, usbuser.h, videoagp.h, winddi.h, winddk.h,
	winnt4.h, ws2san.h): Fixed packing.
	* include/ddk/atm.h (ATM_TRAFFIC_DESCRIPTOR_IE): Fixed declaration.
	* include/ddk/hidclass.h (HID_INTERFACE_HIDPARSE,
	HID_INTERFACE_NOTIFY_PNP): Likewise.
	* include/ddk/ndis.h (NDIS_DMA_BLOCK, CO_FLOW_PARAMETERS): Likewise.
	(NdisQueryPacketLength): Added macro. Thanks to Art Yerkes
	<ayerkes@speakeasy.net>.
	* include/ddk/usb100.h (USB_CONFIGURATION_DESCRIPTOR): Fixed
	declaration.
	* include/ddk/winddi.h (PATHDATA, GLYPHPOS): Likewise.
	* include/ddk/winddk.h (PDRIVER_CONTROL, PDRIVER_LIST_CONTROL,
	PDRIVER_ADD_DEVICE, PIO_COMPLETION_ROUTINE, PDRIVER_CANCEL,
	PKDEFERRED_ROUTINE, PDRIVER_DISPATCH, PIO_DPC_ROUTINE,
	PMM_DLL_INITIALIZE, PMM_DLL_UNLOAD, PDRIVER_ENTRY,
	PDRIVER_INITIALIZE, PKSERVICE_ROUTINE, PIO_TIMER_ROUTINE,
	PDRIVER_REINITIALIZE, PDRIVER_STARTIO, PKSYNCHRONIZE_ROUTINE,
	PDRIVER_UNLOAD, DRIVER_OBJECT): Fixed callback declarations.
	(struct FILE_BASIC_INFORMATION): Renamed to _FILE_BASIC_INFORMATION.
	(SYNCH_LEVEL): Added definition.
	(KPCR, KPCR_TIB): Fixed declaration.
	(Interlocked[Push/Pop]EntrySList): Declare only if winbase.h isn't
	included and _WIN32_WINNT >= 0x0501.
	(RtlEqualLuid): Fixed macro definition.
	(KfLowerIrql, KfRaiseIrql): Declare and use instead of KeLowerIrql and
	KeRaiseIrql on i386 architectures.
2004-09-28 08:46:54 +00:00
Christopher Faylor e3e443e4df * fhandler_termios.cc (fhandler_termios::tcsetpgrp): Disallow attempts to set
the process group to a nonexistent process group.
2004-09-28 04:41:42 +00:00
Corinna Vinschen 2b94cfce89 * lib/_cygwin_crt0_common.cc: Revert patch from 2004-09-16. Brakes
newly built DLLs.
2004-09-27 16:30:44 +00:00
DJ Delorie 3e6d5933e2 Merge from gcc:
2004-09-24  Zack Weinberg  <zack@codesourcery.com>
	* warnings.m4: New file.
2004-09-25 00:26:33 +00:00
Christopher Faylor 98fc1a6dfe Sergey Ivanov <seriv@parkheights.dyndns.org>
* path.cc (mount_info::read_cygdrive_info_from_registry): Default /cygdrive to
binary mode.
2004-09-24 19:41:19 +00:00
Jeff Johnston 2a6e122363 2004-09-24 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdio/local.h: Include <stdlib.h>.
2004-09-24 16:03:46 +00:00
DJ Delorie ab6b0b2f12 Merge from gcc 2004-09-24 14:57:15 +00:00
DJ Delorie 5e2121862a * ylwrap: Revert to previous version. 2004-09-24 13:21:46 +00:00
Corinna Vinschen a638588d7c * cygwinenv.sgml: smbntsec is not on by default. 2004-09-24 09:47:10 +00:00
Corinna Vinschen d163f2fc83 * libc/stdio/fread.c (fread): Include <malloc.h>. 2004-09-24 09:13:11 +00:00
H.J. Lu 9ab64c4a44 2004-09-23 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.tpl (REALLY_SET_LIB_PATH): Add @SET_GCC_LIB_PATH@.
	(HOST_EXPORTS]): Add @SET_GCC_LIB_PATH@. Set and export
	SET_GCC_LIB_PATH_CMD.
	(BASE_TARGET_EXPORTS): Likewise.
	* Makefile.in: Regenerated.

	* configure.in (SET_GCC_LIB_PATH): Set and substitute.
	* configure: Regenerated.

config/

2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc-lib-path.m4: New file.
2004-09-24 00:40:22 +00:00
DJ Delorie 940c2b1094 Merge from gcc
2004-09-23  Kelley Cook  <kcook@gcc.gnu.org>
	* config.guess: New upstream version
	* compile, depcomp, install-sh, ylwrap: Likewise.
2004-09-23 20:15:24 +00:00
DJ Delorie 8199a77ffb Merge from gcc:
2004-09-23  Kelley Cook  <kcook@gcc.gnu.org>
	* config.guess: New upstream version
	* compile, depcomp, install-sh, ylwrap: Likewise.

	2004-09-19  Roger Sayle  <roger@eyesopen.com>
	* config/mh-x86omitfp: New host makefile fragment.  Add
	-fomit-frame-pointer to the default BOOT_CFLAGS.
	* configure.in: Use it to speed up bootstrap on some IA-32 hosts.
	* configure: Regenerate.

	2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
	PR target/11572
	* configure.in (*-*-darwin*): Renable libobjc.
	* configure: Regenerate.
2004-09-23 19:54:49 +00:00
DJ Delorie 58d7b41f25 Merge from gcc
2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
	* gettext-sister.m4: Renamed from gettext.m4
	* codeset.m4, gettext.m4, glibc21.m4, iconv.m4, intdiv0.m4, po.m4,
	inttypes.m4, inttypes-pri.m4, inttypes_h.m4, lcmessage.m4, lib-ld.m4,
	lib-link.m4, lib-prefix.m4, nls.m4, progtest.m4, stdint_h.m4,
	uintmax_t.m4, ulonglong.m4: Import from gettext-0.12.1 sources.
2004-09-23 19:43:47 +00:00