use of literal_frag field.
* config/tc-xtensa.c (xtensa_mark_literal_pool_location): Record frag
in the literal_frag field.
(xtensa_move_literals): Use it here instead of searching. Update
literal_frag field with new value.
* elf32-xtensa.c (extend_ebb_bounds_forward): Use renamed
XTENSA_PROP_NO_TRANSFORM flag instead of XTENSA_PROP_INSN_NO_TRANSFORM.
(extend_ebb_bounds_backward, compute_text_actions): Likewise.
(compute_ebb_proposed_actions, coalesce_shared_literal): Likewise.
(xtensa_get_property_predef_flags): Likewise.
(compute_removed_literals): Pass new arguments to is_removable_literal.
(is_removable_literal): Add sec, prop_table and ptblsize arguments.
Do not remove literal if the NO_TRANSFORM property flag is set.
gas/
* config/tc-xtensa.c (XTENSA_PROP_INSN_NO_TRANSFORM): Renamed to...
(XTENSA_PROP_NO_TRANSFORM): ...this.
(frag_flags_struct): Move is_no_transform out of the insn sub-struct.
(xtensa_mark_frags_for_org): New.
(xtensa_handle_align): Set RELAX_ORG frag subtype for rs_org.
(xtensa_post_relax_hook): Call xtensa_mark_frags_for_org.
(get_frag_property_flags): Adjust reference to is_no_transform flag.
(xtensa_frag_flags_combinable): Likewise.
(frag_flags_to_number): Likewise. Use XTENSA_PROP_NO_TRANSFORM.
* config/tc-xtensa.h (xtensa_relax_statesE): Add RELAX_ORG.
include/elf/
* xtensa.h (XTENSA_PROP_INSN_NO_TRANSFORM): Renamed to...
(XTENSA_PROP_NO_TRANSFORM): ...this.
ld/
* emultempl/xtensaelf.em (replace_insn_sec_with_prop_sec): Use renamed
XTENSA_PROP_NO_TRANSFORM flag instead of XTENSA_PROP_INSN_NO_TRANSFORM.
Do not check is_loop_target flag.
(xtensa_frob_label): Adjust calls to xtensa_move_labels.
(xg_assemble_vliw_tokens): Likewise. Also avoid calling
xtensa_move_labels for alignment of loop opcodes.
(xtensa_elf_suffix): Use suffix_relocs instead of local mapping table.
(map_suffix_reloc_to_operator): New.
(map_operator_to_reloc): New.
(expression_maybe_register): Fix incorrect test of return value from
xtensa_elf_suffix. Rearrange to use map_suffix_reloc_to_operator.
(xg_assemble_literal, convert_frag_immed): Use map_operator_to_reloc.
* elf32-xtensa.c (elf_xtensa_special_sections): Add .xtensa.info.
gas/
* config/tc-xtensa.c (XSHAL_ABI): Add default definition.
(directive_state): Disable scheduling by default.
(xtensa_add_config_info): New.
(xtensa_end): Call xtensa_add_config_info.
gas/testsuite/
* gas/elf/section2.e-xtensa: New file.
* gas/elf/elf.exp: Use it.
include/
* xtensa-config.h (XSHAL_ABI): New.
(XTHAL_ABI_WINDOWED, XTHAL_ABI_CALL0): New.
ld/
* emultempl/xtensaelf.em (XSHAL_ABI): Add default definition.
(replace_insn_sec_with_prop_sec): Use bfd_make_section_with_flags.
Delete redundant code to set sections flags and alignment.
(xt_config_info_unpack_and_check, check_xtensa_info): New.
(elf_xtensa_after_open): Iterate over input statements instead of
link_info.input_bfds.
(elf_xtensa_before_allocation): Likewise. Call check_xtensa_info for
each input, and write a new .xtensa.info section in the output.
* elf32-xtensa.c (xtensa_get_property_section_name): Delete.
(xtensa_get_property_section): New.
(xtensa_read_table_entries): Use xtensa_get_property_section.
(relax_property_section, xtensa_get_property_predef_flags): Handle
group name suffixes in property section names.
(match_section_group): New.
gas/
* config/tc-xtensa.c (FINI_LITERAL_SECTION_NAME): Delete.
(INIT_LITERAL_SECTION_NAME): Delete.
(lit_state struct): Remove segment names, init_lit_seg, and
fini_lit_seg. Add lit_prefix and current_text_seg.
(init_literal_head_h, init_literal_head): Delete.
(fini_literal_head_h, fini_literal_head): Delete.
(xtensa_begin_directive): Move argument parsing to
xtensa_literal_prefix function.
(xtensa_end_directive): Deallocate lit_prefix field of lit_state.
(xtensa_literal_prefix): Parse the directive argument here and
record it in the lit_prefix field. Remove code to derive literal
section names.
(linkonce_len): New.
(get_is_linkonce_section): Use linkonce_len. Check for any
".gnu.linkonce.*" section, not just text sections.
(md_begin): Remove initialization of deleted lit_state fields.
(xtensa_reorder_segments, xtensa_post_relax_hook): Remove references
to init_literal_head and fini_literal_head.
(xtensa_move_literals): Likewise. Skip literals for .init and .fini
when traversing literal_head list.
(match_section_group): New.
(cache_literal_section): Rewrite to determine the literal section
name on the fly, create the section and return it.
(xtensa_switch_to_literal_fragment): Adjust for cache_literal_section.
(xtensa_switch_to_non_abs_literal_fragment): Likewise.
(xtensa_create_property_segments, xtensa_create_xproperty_segments):
Use xtensa_get_property_section from bfd.
(retrieve_xtensa_section): Delete.
* doc/c-xtensa.texi (Xtensa Options): Fix --text-section-literals
description to refer to plural literal sections and add xref to
the Literal Directive section.
(Literal Directive): Describe new rules for deriving literal section
names. Add footnote for special case of .init/.fini with
--text-section-literals.
(Literal Prefix Directive): Replace old naming rules with xref to the
Literal Directive section.
ld/
* emulparams/elf32xtensa.sh (.xt.prop): Add .xt.prop.*.
* scripttempl/elfxtensa.sc (.text): Add .literal.*.
* elf32-xtensa.c (check_loop_aligned): Fix reversed check for
undefined opcode. Clean up assertions.
(narrow_instruction, widen_instruction): Remove "do_it" parameters.
Factor most of the code into separate functions....
(can_narrow_instruction, can_widen_instruction): New.
(prev_instr_is_a_loop): New.
(compute_ebb_proposed_actions): Combine error handling code for
decode errors. Replace call to insn_decode_len with inline code.
Use can_narrow_instruction and can_widen_instruction. Handle errors
from call to xtensa_opcode_is_loop.
(relax_section): Adjust calls to narrow_instruction and
widen_instruction.
gas:
* config/tc-xtensa.c (is_direct_call_opcode, is_branch_jmp_to_next,
xg_assemble_vliw_tokens, xtensa_mark_narrow_branches,
xtensa_fix_short_loop_frags, is_local_forward_loop, relax_frag_immed):
Handle errors from calls to xtensa_opcode_is_* functions.
symbols in RELAX[_CHECK]_ALIGN_NEXT_OPCODE frags.
(xtensa_fix_close_loop_end_frags): Use the recorded values instead of
decoding the loop instructions. Remove current_offset variable.
(xtensa_fix_short_loop_frags): Likewise.
(min_bytes_to_other_loop_end): Remove current_offset argument.
(xtensa_setup_hw_workarounds): Set this new flag for older hardware.
(get_loop_align_size): New.
(xtensa_end): Skip xtensa_mark_narrow_branches when not aligning.
(xtensa_mark_zcl_first_insns): Prevent widening of first loop frag.
(get_text_align_power): Rewrite to handle inputs in the range 2-8.
(get_noop_aligned_address): Use get_loop_align_size.
(get_aligned_diff): Likewise.
from 1, not 0, in error messages.
(md_assemble): Simplify special-case check for ENTRY instructions.
(tinsn_has_invalid_symbolic_operands): Do not include opcode and
operand in error message.
fields.
* config/tc-xtensa.h (xtensa_frag_type): Remove slot_sub_symbols field.
* config/tc-xtensa.c (md_apply_fix): Check for unexpected uses of
subtracted symbols.
(relaxation_requirements): Add pfinish_frag argument and use it to
replace setting tinsn->record_fix fields.
(xg_assemble_vliw_tokens): Adjust calls to relaxation_requirements
and vinsn_to_insnbuf. Remove references to record_fix and
slot_sub_symbols fields.
(xtensa_mark_narrow_branches): Delete unused code.
(is_narrow_branch_guaranteed_in_range): Handle expr that is not just
a symbol.
(convert_frag_immed): Adjust vinsn_to_insnbuf call and do not set
record_fix fields.
(tinsn_immed_from_frag): Remove code for handling slot_sub_symbols.
(vinsn_to_insnbuf): Change use of record_fixup argument, replacing use
of the record_fix field. Simplify error messages for unexpected
symbolic operands.
(set_expr_symbol_offset_diff): Delete.
* xtensa-config.h (XCHAL_HAVE_WIDE_BRANCHES): New.
gas:
* config/tc-xtensa.c (op_placement_info_struct): Delete single,
single_size, widest, and widest_size fields. Add narrowest_slot.
(xg_emit_insn_to_buf): Remove fmt parameter and compute it here.
Use xg_get_single_slot to find the slot.
(finish_vinsn): Use emit_single_op instead of bundle_single_op.
(bundle_single_op): Rename this to....
(bundle_tinsn): ...this function, which builds a vliw_insn but does
not call finish_vinsn.
(emit_single_op): Use bundle_tinsn instead of bundle_single_op.
(relax_frag_immed): Get num_slots from cur_vinsn.
(convert_frag_narrow): Update call to xg_emit_insn_to_buf.
(convert_frag_immed): Likewise. Also, get num_slots from cur_vinsn.
(init_op_placement_info_table): Set narrowest_slot field. Remove
code for deleted fields.
(xg_get_single_size): Return narrowest_size field, not single_size.
(xg_get_single_format): Return narrowest field, not single.
(xg_get_single_slot): New.
(tinsn_to_insnbuf): Rewrite to use tinsn_to_slotbuf.
* config/xtensa-relax.c (widen_spec_list): Add wide branch relaxations.
(transition_applies): Check wide branch option availability.
is_aligning_branch flag.
(find_address_of_next_align_frag): Limit by xtensa_fetch_width.
(future_alignment_required): Except for frags with is_aligning_branch
flag set, call frag_wane for frags that do not need to be reexamined
for aligning.
(relax_frag_immed): Replace orig_vinsn with cur_vinsn to fix a leak.
(convert_frag_immed): Likewise.
(convert_frag_narrow): Check is_aligning_branch flag.
* config/tc-xtensa.h (xtensa_frag_type): Add is_aligning_branch flag.
(xg_init_vinsn): Remove redundant initialization.
(xg_clear_vinsn): Zero all the slots with a single memset.
* config/xtensa-istack.h (vliw_insn): Move insnbuf field after slots.
unsigned line number. Do not include "dwarf2dbg.h".
* config/tc-xtensa.c (md_pseudo_table): Remove entry for "loc".
(xtensa_dwarf2_directive_loc, xtensa_dwarf2_emit_insn): Delete.
(xg_build_to_insn, xg_build_token_insn): Update TInsn uses.
(md_assemble): Use as_where instead of dwarf2_where.
(xg_assemble_vliw_tokens): Use unsigned line numbers instead of
dwarf2_line_infos. Change to call new_logical_line followed by
dwarf2_emit_insn.
list traversal. Use bfd_section_list_prepend.
* config/tc-mmix.c (mmix_frob_file): Don't needlessly iterate
over the section list.
* config/tc-xtensa.c (xtensa_remove_section): Delete.
(xtensa_insert_section): Delete.
(xtensa_move_seg_list_to_beginning): Use bfd_section_list_remove
and bfd_section_list_prepend.
(xtensa_reorder_seg_list): Use bfd_section_list_remove and
bfd_section_list_insert_after.
