PR 474
* config/tc-ia64.c (emit_one_bundle): Decrement md.num_slots_in_use
after reporting template error during manual bundling. Reported
by Michael Dupont, michaelx.dupont@intel.com.
* elf32-xtensa.c (elf_xtensa_get_private_bfd_flags): Delete.
(narrow_instruction, widen_instruction): Remove unnecessary calls to
xtensa_format_encode.
(ebb_propose_action): Inline call to ebb_add_proposed_action.
(ebb_add_proposed_action): Delete.
gas ChangeLog
* config/tc-xtensa.c (xtensa_frequency_pseudo): Use set_subseg_freq.
(is_entry_opcode, is_movi_opcode, is_the_loop_opcode, is_jx_opcode,
is_windowed_return_opcode): Delete.
(xtensa_frob_label): Use get_subseg_target_freq.
(md_assemble): Inline call to is_entry_opcode.
(xtensa_handle_align): Inline call to get_frag_is_literal.
(relaxation_requirements): Inline call to is_jx_opcode.
(emit_single_op): Inline call to is_movi_opcode.
(xg_assemble_vliw_tokens): Inline calls to get_frag_is_insn,
get_frag_is_no_transform, is_entry_opcode, and
set_frag_is_specific_opcode. Use get_subseg_total_freq.
(xtensa_fix_a0_b_retw_frags, xtensa_fix_b_j_loop_end_frags,
xtensa_fix_close_loop_end_frags, relax_frag_immed, convert_frag_immed):
Inline calls to get_frag_is_no_transform.
(next_instrs_are_b_retw): Inline call to is_windowed_return_opcode.
(xtensa_fix_short_loop_frags): Inline calls to is_the_loop_opcode and
get_frag_is_no_transform.
(convert_frag_immed_finish_loop): Inline calls to get_expression_value
and set_frag_is_no_transform.
(get_expression_value): Delete.
(subseg_map struct): Rename cur_total_freq to total_freq. Rename
cur_target_freq to target_freq.
(get_subseg_info): Split out code to create a new map entry into ...
(add_subseg_info): ... this new function.
(get_last_insn_flags): Check if get_subseg_info succeeded.
(set_last_insn_flags): Call add_subseg_info if needed.
(get_subseg_total_freq, get_subseg_target_freq, set_subseg_freq): New.
(xtensa_reorder_segments): Compute last_sec while counting sections.
Remove call to get_last_sec.
(get_last_sec): Delete.
(cache_literal_section): Inline call to retrieve_literal_seg and its
callees, seg_present and add_seg_list.
(retrieve_literal_seg, seg_present, add_seg_list): Delete.
(get_frag_is_insn, get_frag_is_no_transform,
set_frag_is_specific_opcode, set_frag_is_no_transform): Delete.
* config/tc-xtensa.h (MAX_SLOTS): Reduce from 31 to 15.
* elf32-xtensa.c: Use ISO C90 formatting.
gas ChangeLog
* config/tc-xtensa.c: Use ISO C90 formatting.
* config/tc-xtensa.h: Likewise.
* config/xtensa-istack.h: Likewise.
* config/xtensa-relax.c: Likewise.
* config/xtensa-relax.h: Likewise.
ld ChangeLog
* emultempl/xtensaelf.em: Use ISO C90 formatting.
opcodes ChangeLog
* xtensa-dis.c: Use ISO C90 formatting.
bfd/
* elf32-arm.h: Support EABI version 4 objects.
binutils/
* readelf.c (decode_ARM_machine_flags): Support EABI version 4.
gas/
* config/tc-arm.c (md_begin): Change EF_ARM_EABI_VER3 to
EF_ARM_EABI_VER4.
(arm_eabis): Ditto.
* doc/c-arm.texi: Document that we actually support -meabi=4, not
-meabi=3.
include/
* elf/arm.h (EF_ARM_EABI_VER4): Define.
* config.bfd: Include 64-bit support for i[3-7]86-*-solaris2*.
* elf64-x86-64.c (elf64_x86_64_section_from_shdr): New function.
(elf_backend_section_from_shdr): Define.
binutils/
* readelf.c (get_x86_64_section_type_name): New function.
(get_section_type_name): Use it.
gas/
* config/tc-i386.c: Include "elf/x86-64.h".
(i386_elf_section_type): New function.
* config/tc-i386.h (md_elf_section_type): Define.
(i386_elf_section_type): New prototype.
gas/testsuite/
* gas/i386/i386.exp: Don't run divide test for targets where '/'
is a comment. Run x86-64-unwind for 64-bit ELF targets.
* gas/i386/x86-64-unwind.d, gas/i386/x86-64-unwind.s: New.
include/
* elf/common.h (PT_SUNW_EH_FRAME): Define.
* elf/x86-64.h (SHT_X86_64_UNWIND): Define.
ld/
* configure.tgt: Include elf_x86_64 for i[3-7]86-*-solaris2*.
* 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.
to build the second and third fixups for a composite relocation.
(macro_read_relocs): New function.
(macro_build): Use it.
(s_cpsetup): Pass all three composite relocation codes to macro_build.
Simplify fragging code accordingly.
(s_gpdword): Use fix_new rather than fix_new_exp for the second part
of the composite relocation. Set fx_tcbit in both fixups.
* configure.in (bfd_elf32_bigarm_symbian_vec): Add it.
(bfd_elf32_littlearm_symbian_vec): Likewise.
* configure: Regenerated.
* elf-bfd.h (elf_backend_data): Add dynamic_sec_flags.
* elf32-arm.h (PLT_HEADER_SIZE): Do not define.
(PLT_ENTRY_SIZE): Likewise.
(bfd_vma_elf32_arm_symbian_plt_entry): New
variable.
(elf32_arm_link_hash_table): Add plt_header_size, plt_entry_size,
and symbian_p.
(create_got_section): Don't create sections when generating BPABI
objects.
(elf32_arm_create_dynamic_sections): Tidy.
(elf32_arm_link_hash_table_create): Set plt_header_size,
plt_entry_size, and symbian_p.
(elf32_arm_check_relocs): Do not mark .rel.dyn as loadable when
generating BPABI objects.
(allocate_dynrelocs): Use htab->plt_header_size, not
PLT_HEADER_SIZE. Do not add to .got.plt when
generating BPABI objects.
(elf32_arm_finish_dynamic_symbol): Generate Symbian OS PLTs.
* elfarm-nabi.c: Add SymbianOS target vectors.
* elflink.c (_bfd_elf_create_got_section): Use dynamic_sec_flags.
(_bfd_elf_link_create_dynamic_sections): Likewise.
* elfxx-target.h (ELF_DYNAMIC_SEC_FLAGS): New macro.
(elfNN_bed): Use it.
* targets.c (bfd_elf32_bigarm_symbian_vec): New variable.
(bfd_elf32_littlearm_symbian_vec): Likewise.
(_bfd_target_vector): Add them.
* Makefile.am (TARG_ENV_HFILES): Add te-symbian.h.
* Makefile.in: Regenerated.
* configure.in: Set em for arm*-*-symbianelf*.
* configure: Regenerated.
* config/tc-arm.c (elf32_arm_target_format): Use Symbian target
vectors when appropriate.
* config/te-symbian.h: New file.
* Makefile.am (ALL_EMULATIONS): Add earmsymbian.o.
(earmsymbian.c): New target.
* configure.tgt: Use armsymbian emulation for arm*-*-symbianelf*.
* Makefile.in: Regenerated.
* aclocal.m4: Likewise.
* configure: Likewise.
* emulparams/armsymbian.sh: New file.
argument, don't do anything if current section is not
.gnu.linkonce.t.* and linkonce_empty is set.
(generate_unwind_image, dot_endp): Adjust callers, call
start_unwind_section (*, 1) if nothing will be put into the
section.
* config.bfd (hppa*-*-netbsd*): Set targ_defvec to
bfd_elf32_hppa_nbsd_vec. Add bfd_elf32_hppa_linux_vec
to targ_selvecs.
* configure.in (bfd_elf32_hppa_nbsd_vec): Add case.
* configure: Regenerate.
* elf32-hppa.c (elf32_hppa_object_p): Add "elf32-hppa-netbsd"
case that accepts OSABI=NetBSD and OSABI=SysV.
(elf32_hppa_set_gp): For "elf32-hppa-netbsd", set the GP to
the base of .got or .data (if .got does not exist).
(elf32_hppa_post_process_headers): For elf32-hppa-netbsd,
set OSABI=NetBSD.
(TARGET_BIG_SYM): Add bfd_elf32_hppa_nbsd_vec case.
(TARGET_BIG_NAME): Add "elf32-hppa-netbsd" case.
* targets.c (bfd_elf32_hppa_nbsd_vec): Add extern declaration.
(_bfd_target_vector): Add bfd_elf32_hppa_nbsd_vec.
gas:
* config/tc-hppa.h (TARGET_FORMAT): Set to "elf32-hppa-netbsd"
for TE_NetBSD.
ld:
* emulparams/hppanbsd.sh (OUTPUT_FORMAT): Set to "elf32-hppa-netbsd".
2004-07-26 H.J. Lu <hongjiu.lu@intel.com>
* elf-bfd.h (bfd_elf_section_data): Add a pointer for the
linked-to section.
(elf_linked_to_section): New.
* elf.c (assign_section_numbers): Set up sh_link for
SHF_LINK_ORDER.
* elfxx-ia64.c (elfNN_ia64_final_write_processing): Set sh_info
to sh_link for SHT_IA_64_UNWIND sections.
gas/
2004-07-26 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-ia64.c (start_unwind_section): Set the linked-to
section.
(ia64_elf_section_change_hook): Set the linked-to section for
SHT_IA_64_UNWIND.
no associated relocation.
(mips_ip): Cancel the expression after use for the Q format
specifier.
(parse_relocation): Return no relocation for unsupported
operators.
(my_getSmallExpression): Return no relocation if no relocation
operators are used.
bfd:
* elf32-sh.c: Include ../opcodes/sh-opc.h .
* Makefile.am: Ran make dep-am .
* Makefile.in: Ran make dep-in .
gas:
* config/tc-sh.c (md_assemble): Change isspace to ISSPACE.
(md_parse_option): Remove redundant -isa testing.
Make bfd_arch variable const.
(md_show_usage): Make bfd_arch variable const.
* bfd/cofflink.c (_bfd_coff_generic_relocate_section): Resolve PE weak
externals properly.
* src/gas/config/obj-coff.c (obj_coff_weak): New .weak syntax for PE weak
externals.
* binutils/doc/binutils.texi (nm): Clarify weak symbol description.
* gas/config/tc-i386.c (tc_gen_reloc): Use addend for weak symbols in TE_PE.
* gas/doc/as.texinfo (Weak): Document PE weak symbols.
* ld/ld.texinfo (WIN32): Document PE weak symbols.
(reloc_needs_lo_p): Only return true if HAVE_IN_PLACE_ADDENDS.
(mips_frob_file): Rework so that only a single pass through the
relocs is needed. Allow %lo()s to have higher offsets than their
corresponding %hi()s or %got()s.
testsuite/
* gas/mips/elf{,el}-rel.d: Adjust so that the earliest %hi() matches
the earliest %lo().
* gas/mips/elf-rel11.d: Don't expect the relocs to be reordered.
* gas/mips/elf-rel20.[sd]: New test.
* gas/mips/mips.exp: Run it.
bfd:
* Makefile.am: Regenerate dependencies.
* Makefile.in: Regenerate.
* archures.c: Add bfd_mach_sh3_nommu .
* bfd-in2.h: Regenerate.
* cpu-sh.c: Add sh3-nommu architecture.
(bfd_to_arch_table): Create new table.
(sh_get_arch_from_bfd_mach): Create new function.
(sh_get_arch_up_from_bfd_mach): Create new function.
(sh_merge_bfd_arch): Create new function.
* elf32-sh.c (sh_ef_bfd_table): Add table.
(sh_elf_check_relocs): Replace switch statement with
use of sh_ef_bfd_table .
(sh_elf_get_flags_from_mach): Add new function.
(sh_find_elf_flags): Likewise.
(sh_elf_copy_private_data): Replace most of non-elf contents
with a call to sh_merge_bfd_arch() .
gas:
* Makefile.am: Regenerate dependecies.
* Makefile.in: Regenerate.
* config/tc-sh.c (valid_arch): Make unsigned.
(preset_target_arch): Likewise.
(md_begin): Use new architecture flags system.
(get_specific): Likewise.
(assemble_ppi): Likewise.
(md_assemble): Likewise. Also fix error check for bad opcodes.
(md_parse_option): Likewise. Also generate -isa values according
to the table in bfd/cpu-sh.c instead of just constants. Also
allow <arch>-up ISA variants.
(sh_elf_final_processing): Replace if-else chain with a call to
sh_find_elf_flags().
* testsuite/gas/sh/arch: New directory.
* testsuite/gas/sh/arch/arch.exp: New test script.
* testsuite/gas/sh/arch/arch_expected.txt: New file.
* testsuite/gas/sh/arch/sh.s: New file.
* testsuite/gas/sh/arch/sh2.s: New file.
* testsuite/gas/sh/arch/sh-dsp.s: New file.
* testsuite/gas/sh/arch/sh2e.s: New file.
* testsuite/gas/sh/arch/sh3-nommu.s: New file.
* testsuite/gas/sh/arch/sh3.s: New file.
* testsuite/gas/sh/arch/sh3-dsp.s: New file.
* testsuite/gas/sh/arch/sh3e.s: New file.
* testsuite/gas/sh/arch/sh4-nommu-nofpu.s: New file.
* testsuite/gas/sh/arch/sh4-nofpu.s: New file.
* testsuite/gas/sh/arch/sh4.s: New file.
* testsuite/gas/sh/arch/sh4a-nofpu.s: New file.
* testsuite/gas/sh/arch/sh4al-dsp.s: New file.
* testsuite/gas/sh/arch/sh4a.s: New file.
include/elf:
* sh.h (EF_SH_HAS_DSP): Remove.
(EF_SH_HAS_FP): Remove.
(EF_SH_MERGE_MACH): Remove.
(EF_SH4_NOFPU): Convert to decimal.
(EF_SH4A_NOFPU): Likewise.
(EF_SH4_NOMMU_NOFPU): Likewise.
(EF_SH3_NOMMU): Add new macro.
(EF_SH_BFD_TABLE): Likewise.
(sh_find_elf_flags): Add prototype.
(sh_elf_get_flags_from_mach): Likewise.
opcodes:
* sh-dis.c (target_arch): Make unsigned.
(print_insn_sh): Replace (most of) switch with a call to
sh_get_arch_from_bfd_mach(). Also use new architecture flags system.
* sh-opc.h: Redefine architecture flags values.
Add sh3-nommu architecture.
Reorganise <arch>_up macros so they make more visual sense.
(SH_MERGE_ARCH_SET): Define new macro.
(SH_VALID_BASE_ARCH_SET): Likewise.
(SH_VALID_MMU_ARCH_SET): Likewise.
(SH_VALID_CO_ARCH_SET): Likewise.
(SH_VALID_ARCH_SET): Likewise.
(SH_MERGE_ARCH_SET_VALID): Likewise.
(SH_ARCH_SET_HAS_FPU): Likewise.
(SH_ARCH_SET_HAS_DSP): Likewise.
(SH_ARCH_UNKNOWN_ARCH): Likewise.
(sh_get_arch_from_bfd_mach): Add prototype.
(sh_get_arch_up_from_bfd_mach): Likewise.
(sh_get_bfd_mach_from_arch_set): Likewise.
(sh_merge_bfd_arc): Likewise.
ld:
* testsuite/ld-sh/arch/arch.exp: New test script.
* testsuite/ld-sh/arch/arch_expected.txt: New file.
* testsuite/ld-sh/arch/sh.s: New file.
* testsuite/ld-sh/arch/sh2.s: New file.
* testsuite/ld-sh/arch/sh-dsp.s: New file.
* testsuite/ld-sh/arch/sh2e.s: New file.
* testsuite/ld-sh/arch/sh3-nommu.s: New file.
* testsuite/ld-sh/arch/sh3.s: New file.
* testsuite/ld-sh/arch/sh3-dsp.s: New file.
* testsuite/ld-sh/arch/sh3e.s: New file.
* testsuite/ld-sh/arch/sh4-nommu-nofpu.s: New file.
* testsuite/ld-sh/arch/sh4-nofpu.s: New file.
* testsuite/ld-sh/arch/sh4.s: New file.
* testsuite/ld-sh/arch/sh4a-nofpu.s: New file.
* testsuite/ld-sh/arch/sh4al-dsp.s: New file.
* testsuite/ld-sh/arch/sh4a.s: New file.
2004-04-30 H.J. Lu <hongjiu.lu@intel.com>
* config/obj-elf.c (get_section): New function.
(obj_elf_change_section): Support multiple sections with same
name.
gas/testsuite/
2004-04-30 H.J. Lu <hongjiu.lu@intel.com>
* gas/elf/elf.exp: Remove group1, add group1a and group1b for
section group.
* gas/elf/group1a.d: New file.
* gas/elf/group1b.d: Likewise.
* gas/elf/group1.e: Removed.
dup_common fields.
(setup_sections): Use som_subspace_dictionary_record struct instead
subspace_dictionary_record. Set SEC_LINK_ONCE if subspace is
is_comdat, is_common or dup_common.
(som_prep_headers): Use som_subspace_dictionary_record struct. Set
is_comdat, is_common and dup_common in section subspace_dict from
copy_data.
(som_begin_writing): Use som_subspace_dictionary_record struct.
(som_finish_writing): Likewise.
(som_bfd_derive_misc_symbol_info): Add support to set is_comdat,
is_common and dup_common flags in info for symbol. Add comment
regarding linker support for these fields. Slightly reorganize
function.
(som_build_and_write_symbol_table): Set is_comdat, is_common and
dup_common fields in symbol table from symbol info.
(bfd_som_set_subsection_attributes): Add comdat, common and dup_common
arguments. Set corresponding fields in copy_data. Change all callers.
(som_bfd_ar_write_symbol_stuff): Set dup_common flag in library
symbol table.
(som_vec): Add SEC_LINK_ONCE to applicable section flags.
* som.h (som_subspace_dictionary_record): Define.
(som_copyable_section_data_struct): Add is_comdat, is_common and
dup_common fields.
(som_section_data_struct): Use som_subspace_dictionary_record struct
instead of subspace_dictionary_record.
(bfd_boolean bfd_som_set_subsection_attributes): Adjust prototype.
* config/obj-som.c (obj_som_init_stab_section): Add new arguments in
call to obj_set_subsection_attributes.
(obj_som_init_stab_section): Likewise.
* config/tc-hppa.c (default_subspace_dict): Add comdat field.
(pa_def_subspaces): Provide comdat default.
(pa_subspace): Handle new "comdat" parameter. Set SEC_LINK_ONCE and
not SEC_IS_COMMON if section is comdat, common or dup_common. Update
calls to create_new_subspace and update_subspace to pass comdat flag.
(create_new_subspace, update_subspace): Add new comdat argument. Use
it in calls to obj_set_subsection_attributes.
* doc/c-hppa.texi (.subspa, .nsubspa): Document new comdat parameter
and use of comdat, common and dup_comm parameters.
(load_address, macro): Use load_delay_nop() to build a nop
which can be omitted with gpr_interlocks.
* gas/mips/lb-xgot-ilocks.d: Remove nops in load delay slot.
* gas/mips/mips-abi32-pic.d: Likewise.
* gas/mips/mips-abi32-pic2.d: Likewise.
* gas/mips/mips-gp32-fp32-pic.d: Likewise.
* gas/mips/mips-gp32-fp64-pic.d: Likewise.
* gas/mips/mips-gp64-fp32-pic.d: Likewise.
* gas/mips/mips-gp64-fp64-pic.d: Likewise.
* gas/mips/relax-swap1-mips2.d: Likewise.
* gas/mips/lb-svr4pic-ilocks.d: New test.
* gas/mips/mips.exp: Run it.
* elf32-xtensa.c (elf_xtensa_check_relocs): Remove code to read
literal tables and check for relocs outside of literal pools.
(elf_xtensa_make_sym_local): Don't clear ELF_LINK_NON_GOT_REF flag.
(elf_xtensa_fix_refcounts): Don't check ELF_LINK_NON_GOT_REF or
set DF_TEXTREL.
(elf_xtensa_size_dynamic_sections): Don't add DT_TEXTREL entry.
(elf_xtensa_relocate_section): Read literal tables and check for
dynamic relocations in read-only sections and not in literal pools.
gas/ChangeLog:
* config/tc-xtensa.c (xtensa_post_relax_hook): Create literal
tables even when use_literal_section flag is not set.
--mul-bug-abort and the default behavior.
* config/tc-cris.c (cris_insn_kind): New member CRIS_INSN_MUL.
(err_for_dangerous_mul_placement): New variable.
(STATE_MUL, OPTION_MULBUG_ABORT_ON, OPTION_MULBUG_ABORT_OFF): New
macros.
(md_cris_relax_table): Have placeholder for STATE_MUL.
(md_longopts): New options --mul-bug-abort and --no-mul-bug-abort.
(cris_relax_frag) <case ENCODE_RELAX (STATE_MUL, STATE_BYTE)>: New
case doing nothing.
(md_estimate_size_before_relax) <case ENCODE_RELAX (STATE_MUL,
STATE_BYTE)>: Ditto.
(md_convert_frag) <ENCODE_RELAX (STATE_MUL, STATE_BYTE)>: Check
alignment and position of this frag, emit error message if
suspicious.
(md_assemble): For a multiply insn and when checking it,
transform the current frag into a special frag for that purpose.
(md_parse_option) <case OPTION_MULBUG_ABORT_OFF, case
OPTION_MULBUG_ABORT_ON>: Handle new options.
(xtensa_move_literals): Call mark_literal_frags for all literal
segments, including init and fini literal segments.
(xtensa_post_relax_hook): Swap use of xt_insn_sec and xt_literal_sec.
R_PARISC_PCREL32 and R_PARISC_PCREL64 relocations.
* tc-hppa.c (cons_fix_new_hppa): Check for PC relative base type.
(pa_comm): Set BSF_OBJECT in symbol flags.
* config/tc-ia64.c (dot_align): New.
(ia64_do_align): Make it static.
(md_pseudo_table): Use "dot_align" for "align".
(ia64_md_do_align): Don't set align_frag here.
(ia64_handle_align): Add a stop bit to the previous bundle if
needed.
* config/tc-ia64.h (ia64_do_align): Removed.
opcodes:
* sh-dis.c (print_insn_sh): Don't disassemble fp instructions in
nofpu mode. Add BFD type bfd_mach_sh4_nommu_nofpu.
* sh-opc.h: Add sh4_nommu_nofpu architecture and adjust instructions
accordingly.
bfd:
* archures.c: Add bfd_mach_sh4_nommu_nofpu.
* cpu-sh.c: Ditto.
* elf32-sh.c: Ditto.
* bfd-in2.h: Regenerate.
include/elf:
* sh.h: Add EF_SH4_NOMMU_NOFPU.
gas:
* config/tc-sh.c (md_parse_option): Add -isa=sh4-nofpu and
-isa=sh4-nommu-nofpu options. Adjust help messages accordingly.
(sh_elf_final_processing): Output BFD type sh4_nofpu if that is
the most general type or the user specifically requested it.
(md_assemble): Add a new error message for when an instruction
is understood, but is not allowed due to an -isa option.
* config/tc-ia64.c (align_frag): New.
(md_assemble): Set the tc_frag_data field in align_frag for
IA64_OPCODE_FIRST instructions.
(ia64_md_do_align): Set align_frag.
(ia64_handle_align): Add a stop bit if needed.
* config/tc-ia64.h (TC_FRAG_TYPE): New.
(TC_FRAG_INIT): New.
gas:
* tc-sh.c (build_Mytes): Add REG_N_D and REG_N_B01
nibble types to assembler.
opcodes:
* sh-dis.c (print_insn_sh): Add REG_N_D nibble type to
ensure that double registers have even numbers.
Add REG_N_B01 for nn01 (binary 01) nibble to ensure
that reserved instruction 0xfffd does not decode the same
as 0xfdfd (ftrv).
* sh-opc.h: Add REG_N_D nibble type and use it whereever
REG_N refers to a double register.
Add REG_N_B01 nibble type and use it instead of REG_NM
in ftrv.
Adjust the bit patterns in a few comments.
* config/tc-ia64.c (output_endp): New.
(count_bits): Delete.
(ia64_flush_insns, process_one_record, optimize_unw_records): Handle
endp unwind records.
(fixup_unw_records): Handle endp unwind records. Delete code for
shortening prologue regions not followed by a body record.
(dot_endp): Call add_unwind_entry to emit endp unwind record.
* config/tc-ia64.h (unw_record_type): Add endp.
* config/tc-ia64.c (ia64_convert_frag): Call md_number_to_chars to
fill padding bytes with zeroes.
(emit_one_bundle): New locals last_ptr, end_ptr. Rewrite code that
sets unwind_record slot_number and slot_frag fields.
* config/tc-mips.c (hilo_interlocks): Change definition
so that MIPS32, MIPS64 and later ISAs are included, along with
the already-included machines. Update comments.
(RELAX_FIRST, RELAX_SECOND): Turn into 8-bit quantities.
(RELAX_USE_SECOND): Bump to 0x10000.
(RELAX_SECOND_LONGER, RELAX_NOMACRO, RELAX_DELAY_SLOT): New flags.
(mips_macro_warning): New variable.
(md_assemble): Wrap macro expansion in macro_start() and macro_end().
(s_cpload, s_cpsetup, s_cprestore, s_cpreturn): Likewise.
(relax_close_frag): Set mips_macro_warning.first_frag. Adjust use
of RELAX_ENCODE.
(append_insn): Update mips_macro_warning.sizes.
(macro_start, macro_warning, macro_end): New functions.
(macro_build): Don't emit warnings here.
(macro_build_lui, md_estimate_size_before_relax): ...or here.
(md_convert_frag): Check for cases where one macro alternative
needs a warning and the other doesn't. Emit a warning if the
longer sequence was chosen.
* config/tc-mips.c (RELAX_ENCODE): Take three arguments: the size of
the first sequence, the size of the second sequence, and a flag
that says whether we should warn.
(RELAX_OLD, RELAX_NEW, RELAX_RELOC[123]): Delete.
(RELAX_FIRST, RELAX_SECOND): New.
(mips_relax): New variable.
(relax_close_frag, relax_start, relax_switch, relax_end): New fns.
(append_insn): Remove "place" argument. Use mips_relax.sequence
rather than "place" to check whether we're expanding the second
alternative of a relaxable macro. Remove redundant check for
branch relaxation. If generating a normal insn, and there
is not enough room in the current frag, call relax_close_frag()
to close it. Update mips_relax.sizes[]. Emit fixups for the
second version of a relaxable macro. Record the first relaxable
fixup in mips_relax. Remove tc_gen_reloc workaround.
(macro_build): Remove all uses of "place". Use mips_relax.sequence
in the same way as in append_insn.
(mips16_macro_build): Remove "place" argument.
(macro_build_lui): As for macro_build. Don't drop the add_symbol
when generating the second version of a relaxable macro.
(load_got_offset, add_got_offset): New functions.
(load_address, macro): Use new relaxation machinery. Remove
tc_gen_reloc workarounds.
(md_estimate_size_before_relax): Set RELAX_USE_SECOND if the second
version of a relaxable macro is needed. Return -RELAX_SECOND if the
first version is needed.
(tc_gen_reloc): Remove relaxation handling.
(md_convert_frag): Go through the fixups for a relaxable macro and
mark those that belong to the unneeded alternative as done. If the
second alternative is needed, adjust the fixup addresses to account
for the deleted first alternative.
testsuite/
* gas/mips/elf-rel19.[sd]: New test.
* gas/mips/mips.exp: Run it.
* config/tc-mips.c (append_insn): Properly detect variant frags
that preclude swapping of relaxed branches. Correctly swap
instructions between frags when dealing with relaxed branches.
gas/testsuite/
* gas/mips/relax-swap1-mips1.d: New test for branch relaxation
with swapping for MIPS1.
* gas/mips/relax-swap1-mips2.d: New test for branch relaxation
with swapping for MIPS2.
* gas/mips/relax-swap1.l: Stderr output for the new tests.
* gas/mips/relax-swap1.s: Source for the new tests.
* gas/mips/relax-swap2.d: New test for branch likely relaxation
with swapping.
* gas/mips/relax-swap2.l: Stderr output for the new test.
* gas/mips/relax-swap2.s: Source for the new test.
* gas/mips/mips.exp: Run the new tests.
* config/tc-mips.c (macro_build_jalr): When adding an R_MIPS_JALR
reloc, reserve space for the delay slot as well as the jalr itself.
gas/testsuite/
* gas/mips/elf-rel18.[sd]: New test.
* gas/mips/mips.exp: Run it.
(cop_interlocks): Check ISA level.
(cop_mem_interlocks): Define.
(reg_needs_delay): Check cop_interlocks rather than
ISA_HAS_COPROC_DELAYS.
(append_insn): Likewise. Use cop_mem_interlocks rather than
directly checking mips_opts.isa.
(mips_emit_delays): Likewise.
* config/tc-ia64.c (unwind): Move next_slot_number and
next_slot_frag to ...
(unw_rec_list): Here.
(free_list_records): Removed.
(output_unw_records): Likewise.
(generate_unwind_image): Make it void.
(alloc_record): Initialize next_slot_number and next_slot_frag.
(slot_index): Take .org, .space and .align into account.
(fixup_unw_records): Don't set slot_number to 0. Use
list->next_slot_number and list->next_slot_frag instead of
unwind.next_slot_number and unwind.next_slot_frag.
(ia64_convert_frag): New.
(generate_unwind_image): Generate a rs_machine_dependent frag
for unwind record.
(emit_one_bundle): Use list->next_slot_number and
list->next_slot_frag instead of unwind.next_slot_number and
unwind.next_slot_frag.
* config/tc-ia64.h (md_convert_frag): Defined as
ia64_convert_frag.
(md_estimate_size_before_relax): Defined as (f)->fr_var.
* elf32-mips.c (elf_mips_howto_table_rel): Replace all uses of
mips_elf_generic_reloc with _bfd_mips_elf_generic_reloc. Use
_bfd_mips_elf_hi16_reloc for R_MIPS_HI16 and R_MIPS_GNU_REL_HI16,
_bfd_mips_elf_lo16_reloc for R_MIPS_LO16 and R_MIPS_GNU_REL_LO16,
and _bfd_mips_elf_got16_reloc for R_MIPS_GOT16. Change rightshift
to 16 for R_MIPS_HI16 and R_MIPS_GNU_REL_HI16.
(mips_elf_generic_reloc, struct mips_hi16, mips_elf_hi16_reloc)
(mips_elf_lo16_reloc, mips_elf_got16_reloc): Delete.
(_bfd_mips_elf32_gprel16_reloc): Remove special case.
(mips_elf_gprel32_reloc, mips32_64bit_reloc): Likewise.
* elf64-mips.c (mips_elf64_howto_table_rel): Replace all uses of
mips_elf_generic_reloc with _bfd_mips_elf_generic_reloc. Use
_bfd_mips_elf_hi16_reloc for R_MIPS_HI16, _bfd_mips_elf_lo16_reloc
for R_MIPS_LO16 and _bfd_mips_elf_got16_reloc for R_MIPS_GOT16.
Change R_MIPS_HI16's rightshift to 16.
(mips_elf64_howto_table_rela): Replace all uses of
mips_elf_generic_reloc with _bfd_mips_elf_generic_reloc.
Use _bfd_mips_elf_generic_reloc for R_MIPS_GOT16 as well.
(mips_elf64_hi16_reloc, mips_elf64_got16_reloc): Delete.
(mips_elf64_shift6_reloc): Remove special case. Use
_bfd_mips_elf_generic_reloc instead of returning bfd_reloc_continue.
* elfn32-mips.c (prev_reloc_section): Delete.
(prev_reloc_address, prev_reloc_addend): Delete.
(elf_mips_howto_table_rel, elf_mips_howto_table_rela): As for
elf64-mips.c
(GET_RELOC_ADDEND, SET_RELOC_ADDEND): Delete.
(mips_elf_generic_reloc, struct mips_hi16, mips_elf_hi16_reloc)
(mips_elf_lo16_reloc, mips_elf_got16_reloc): Delete.
(mips_elf_gprel16_reloc): Delete use of GET_RELOC_ADDEND.
(mips_elf_literal_reloc, mips_elf_gprel32_reloc): Likewise.
(mips16_jump_reloc, mips16_gprel_reloc): Likewise.
(mips_elf_shift6_reloc): Likewise. Delete use of SET_RELOC_ADDEND.
* elfxx-mips.c (_bfd_mips_elf_gprel16_with_gp): Use
_bfd_relocate_contents to install an in-place addend.
(mips_hi16): New structure.
(mips_hi16_list): Moved from elf32-mips.c.
(_bfd_mips_elf_hi16_reloc, _bfd_mips_elf_got16_reloc): New functions.
(_bfd_mips_elf_lo16_reloc, _bfd_mips_elf_generic_reloc): New functions.
(mips_elf_calculate_relocation): Assume addend is unshifted.
(_bfd_mips_elf_relocate_section): Don't apply the howto rightshift
on top of the usual high-part shift. Don't shift the addend right
before calling mips_elf_calculate_relocation.
* elfxx-mips.h (_bfd_mips_elf_hi16_reloc): Declare.
(_bfd_mips_elf_got16_reloc, _bfd_mips_elf_lo16_reloc): Declare.
(_bfd_mips_elf_generic_reloc): Declare.
gas/
* config/tc-mips.c (mips_need_elf_addend_fixup): Delete.
(md_apply_fix3): Remove bfd_install_relocation workarounds.
(tc_gen_reloc): Likewise. Factor handling of pc-relative relocations
and treat fx_addnumber as relative to the relocation address.
gas/testsuite/
* gas/mips/mips16-jalx.d: Use -mabi=o64.
* gas/mips/mips16.d: Likewise.
* gas/mips/elf-rel17.[sd]: New test.
* gas/mips/mips.exp: Run it.
(ctrl_table): Add "flags" keyword and some comments.
(flag_table): Convert to uppercase.
(get_flags_operand): Be case insensitive.
(get_interrupt_operand): Be case insensitive. Support notation
where the inperrupt arguments are separated by commas.
(get_operands): Check whether get_flags_operand consumed all
arguments. Return failure if get_ctrl_operand didn't recognize a
valid control register.
(get_specific): Add case CLASS_CTRL: Test for valid control
register for ldctlb opcode.
(build_bytes): Check for valid control registers.
(s_comm): Split out code to..
(s_comm_internal): ..here. Tidy error returns. Rearrange so that
"name" from input line may be used in more places. Merge code
testing for valid size from elf_common. Merge code from
s_lcomm_internal. Call comm_parse_extra.
(bss_alloc): New function, split out of s_lcomm_internal and
elf_common.
(parse_align): Likewise.
(s_lcomm_internal): Rewrite.
(s_lcomm, s_lcomm_bytes): Use s_comm_internal.
* read.h (bss_alloc, parse_align, s_comm_internal): Declare.
* config/obj-elf.c (elf_common): Split out code to..
(elf_common_parse): ..here. Remove code common to s_comm_internal,
parse_align and bss_alloc. Rearrange and Tidy.
* config/tc-alpha.h (TC_IMPLICIT_LCOMM_ALIGNMENT): Define.
* ppc-opc.c (MO): Make optional.
(RAO, RSO, SHO): New optional forms of RA, RS, SH operands.
(tlbwe): Accept for both PPC403 and BOOKE. Make all operands optional.
gas:
* tc-ppc.c (md_assemble): Rewrite comment about optional operands
to indicate that 'all or none' is also handled. Pluralize a
word in another comment.
gas/testsuite:
* gas/ppc/booke.s: Add two more forms of the mbar instruction
and three forms of the tlbwe instruction.
* gas/ppc/booke.d: Update to match.
* config/tc-mips.c (macro): Switch misordered call to frag_grow()
and setting of tc_fr_offset.
gas/testsuite/
* gas/mips/elf-rel16.[sd]: New test.
* gas/mips/mips.exp: Run it.
* gas/mips/elf-rel-xgot-n32.d: Fix addends for "lw $5,dl1+34($5)".
* gas/mips/elf-rel-xgot-n64.d: Likewise.
* config/tc-sh.c: Add support for sh4a and no-fpu variants,
with appropriate additions to md_show_usage.
* testsuite/gas/sh/basic.exp: Call tests for sh4a.
* testsuite/gas/sh/{err-sh4a-fp.s, err-sh4a.s,
err-sh4al-dsp.s, sh4a-dsp.d, sh4a-dsp.s, sh4a-fp.d,
sh4a-fp.s, sh4a.d, sh4a.s, sh4al-dsp.d, sh4al-dsp.s:
New files, tests for sh4a and related variants.
* doc/c-sh.texi: Document new -isa options.
* doc/c-sh64.texi: Ditto.
* NEWS: Mention new support for sh4a.
