• Nick Clifton's avatar
    Andes Technology has good news for you, we plan to update the nds32 port of binutils on upstream! · fbaf61ad
    Nick Clifton authored
    We have not only removed all unsupported and obsolete code, but also supported lost of new features,
    including better link-time relaxations and TLS implementations. Besides, the files generated by the
    newly assembler and linker usually get higher performance and more optimized code size.
    
    ld	* emultempl/nds32elf.em (hyper_relax): New variable.
    	(nds32_elf_create_output_section_statements):
    	the parameters of bfd_elf32_nds32_set_target_option
    	(PARSE_AND_LIST_PROLOGUE, PARSE_AND_LIST_OPTIONS,
    	PARSE_AND_LIST_ARGS_CASES): Add new option --mhyper-relax.
    	* emultempl/nds32elf.em (nds32_elf_after_open): Updated.
    	* emultempl/nds32elf.em (tls_desc_trampoline): New variable.
    	* (nds32_elf_create_output_section_statements): Updated.
    	* (nds32_elf_after_parse): Disable relaxations when PIC is enable.
    	* (PARSE_AND_LIST_PROLOGUE, PARSE_AND_LIST_OPTIONS,
    	PARSE_AND_LIST_ARGS_CASES): Add new option --m[no-]tlsdesc-trampoline.
    
    include	* elf/nds32.h: Remove the unused target features.
    	* dis-asm.h (disassemble_init_nds32): Declared.
    	* elf/nds32.h (E_NDS32_NULL): Removed.
    	(E_NDS32_HAS_DSP_INST, E_NDS32_HAS_ZOL): New.
    	* opcode/nds32.h: Ident.
    	(N32_SUB6, INSN_LW): New macros.
    	(enum n32_opcodes): Updated.
    	* elf/nds32.h: Doc fixes.
    	* elf/nds32.h: Add R_NDS32_LSI.
    	* elf/nds32.h: Add new relocations for TLS.
    
    gas 	* config/tc-nds32.c: Remove the unused target features.
    	(nds32_relax_relocs, md_pseudo_table, nds32_elf_record_fixup_exp,
    	nds32_set_elf_flags_by_insn, nds32_insert_relax_entry,
    	nds32_apply_fix): Likewise.
    	(nds32_no_ex9_begin): Removed.
    	* config/tc-nds32.c (add_mapping_symbol_for_align,
    	make_mapping_symbol, add_mapping_symbol): New functions.
    	* config/tc-nds32.h (enum mstate): New.
    	(nds32_segment_info_type): Likewise.
    	* configure.ac (--enable-dsp-ext, --enable-zol-ext): New options.
    	* config.in: Regenerated.
    	* configure: Regenerated.
    	* config/tc-nds32.c (nds32_dx_regs):
    	Set the value according to the configuration.
    	(nds32_perf_ext, nds32_perf_ext2, nds32_string_ext, nds32_audio_ext):
    	Likewise.
    	(nds32_dsp_ext): New variable. Set the value according to the
    	configuration.
    	(nds32_zol_ext): Likewise.
    	(asm_desc, nds32_pseudo_opcode_table): Make them static.
    	(nds32_set_elf_flags_by_insn): Updated.
    	(nds32_check_insn_available): Updated.
    	(nds32_str_tolower): New function.
    	* config/tc-nds32.c (relax_table): Updated.
    	(md_begin): Updated.
    	(md_assemble): Use XNEW macro to allocate space for `insn.info',
    	and then remember to free it.
    	(md_section_align): Cast (-1) to ValueT.
    	(nds32_get_align): Cast (~0U) to addressT.
    	(nds32_relax_branch_instructions): Updated.
    	(md_convert_frag): Add new local variable `final_r_type'.
    	(invalid_prev_frag): Add new bfd_boolean parameter `relax'.
    	All callers changed.
    	* config/tc-nds32.c (struct nds32_relocs_pattern): Add `insn' field.
    	(struct nds32_hint_map): Add `option_list' field.
    	(struct suffix_name, suffix_table): Remove the unused `pic' field.
    	(do_pseudo_b, do_pseudo_bal): Remove the suffix checking.
    	(do_pseudo_la_internal, do_pseudo_pushpopm): Indent.
    	(relax_hint_bias, relax_hint_id_current): New static variables.
    	(reset_bias, relax_hint_begin): New variables.
    	(nds_itoa): New function.
    	(CLEAN_REG, GET_OPCODE): New macros.
    	(struct relax_hint_id): New.
    	(nds32_relax_hint): For .relax_hint directive, we can use `begin'
    	and `end' to mark the relax pattern without giving exactly id number.
    	(nds32_elf_append_relax_relocs): Handle the case that the .relax_hint
    	directives are attached to pseudo instruction.
    	(nds32_elf_save_pseudo_pattern): Change the second parameter from
    	instruction's opcode to byte code.
    	(nds32_elf_build_relax_relation): Add new bfd_boolean parameter
    	`pseudo_hint'.
    	(nds32_lookup_pseudo_opcode): Fix the overflow issue.
    	(enum nds32_insn_type): Add N32_RELAX_ALU1 and N32_RELAX_16BIT.
    	(nds32_elf_record_fixup_exp, relax_ls_table, hint_map,
    	nds32_find_reloc_table, nds32_match_hint_insn, nds32_parse_name):
    	Updated.
    	* config/tc-nds32.h (MAX_RELAX_NUM): Extend it to 6.
    	(enum nds32_relax_hint_type): Merge NDS32_RELAX_HINT_LA and
    	NDS32_RELAX_HINT_LS into NDS32_RELAX_HINT_LALS. Add
    	NDS32_RELAX_HINT_LA_PLT, NDS32_RELAX_HINT_LA_GOT and
    	NDS32_RELAX_HINT_LA_GOTOFF.
    	* config/tc-nds32.h (relax_ls_table): Add floating load/store
    	to gp relax pattern.
    	(hint_map, nds32_find_reloc_table): Likewise.
    	* configure.ac: Define NDS32_LINUX_TOOLCHAIN.
    	* configure: Regenerated.
    	* config.in: Regenerated.
    	* config/tc-nds32.h (enum nds32_ramp): Updated.
    	(enum nds32_relax_hint_type): Likewise.
    	* config/tc-nds32.c: Include "errno.h" and "limits.h".
    	(relax_ls_table): Add TLS relax patterns.
    	(nds32_elf_append_relax_relocs): Attach BFD_RELOC_NDS32_GROUP on
    	each instructions of TLS patterns.
    	(nds32_elf_record_fixup_exp): Updated.
    	(nds32_apply_fix): Likewise.
    	(suffix_table): Add TLSDESC suffix.
    
    binutils* testsuite/binutils-all/objcopy.exp: Set the unsupported reloc number
    	from 215 to 255 for NDS32.
    
    bfd	* elf32-nds32.c (nds32_elf_relax_loadstore):
    	Remove the unused target features.
    	(bfd_elf32_nds32_set_target_option): Remove the unused parameters.
    	(nds32_elf_relax_piclo12, nds32_elf_relax_letlslo12,
    	nds32_elf_relax_letlsadd, nds32_elf_relax_letlsls,
    	nds32_elf_relax_pltgot_suff, nds32_elf_relax_got_suff
    	nds32_elf_relax_gotoff_suff, calculate_plt_memory_address,
    	calculate_plt_offset, calculate_got_memory_address,
    	nds32_elf_check_dup_relocs): Removed.
    	All callers changed.
    	* elf32-nds32.h: Remove the unused macros and defines.
    	(elf_nds32_link_hash_table): Remove the unused variable.
    	(bfd_elf32_nds32_set_target_option): Update prototype.
    	(nds32_elf_ex9_init): Removed.
    	* elf32-nds32.c (nds32_convert_32_to_16): Updated.
    	* elf32-nds32.c (HOWTO2, HOWTO3): Define new HOWTO macros
    	to initialize array nds32_elf_howto_table in any order
    	without lots of EMPTY_HOWTO.
    	(nds32_reloc_map): Updated.
    	* reloc.c: Add BFD_RELOC_NDS32_LSI.
    	* bfd-in2.h: Regenerated.
    	* bfd/libbfd.h: Regenerated.
    	* elf32-nds32.c (nds32_elf_relax_howto_table): Add R_NDS32_LSI.
    	(nds32_reloc_map): Likewise.
    	(nds32_elf_relax_flsi): New function.
    	(nds32_elf_relax_section): Support floating load/store relaxation.
    	* elf32-nds32.c (NDS32_GUARD_SEC_P, elf32_nds32_local_gp_offset):
    	New macro.
    	(struct elf_nds32_link_hash_entry): New `offset_to_gp' field.
    	(struct elf_nds32_obj_tdata): New `offset_to_gp' and `hdr_size' fields.
    	(elf32_nds32_allocate_local_sym_info, nds32_elf_relax_guard,
    	nds32_elf_is_target_special_symbol, nds32_elf_maybe_function_sym):
    	New functions.
    	(nds32_info_to_howto_rel): Add BFD_ASSERT.
    	(bfd_elf32_bfd_reloc_type_table_lookup, nds32_elf_link_hash_newfunc,
    	nds32_elf_link_hash_table_create, nds32_elf_relocate_section,
    	nds32_elf_relax_loadstore, nds32_elf_relax_lo12, nds32_relax_adjust_label,
    	bfd_elf32_nds32_set_target_option, nds32_fag_mark_relax): Updated.
    	(nds32_elf_final_sda_base): Improve it to find the better gp value.
    	(insert_nds32_elf_blank): Must consider `len' when inserting blanks.
    	* elf32-nds32.h (bfd_elf32_nds32_set_target_option): Update prototype.
    	(struct elf_nds32_link_hash_table): Add new variable `hyper_relax'.
    	* elf32-nds32.c (elf32_nds32_allocate_dynrelocs): New function.
    	(create_got_section): Likewise.
    	(allocate_dynrelocs, nds32_elf_size_dynamic_sections,
    	nds32_elf_relocate_section, nds32_elf_finish_dynamic_symbol): Updated.
    	(nds32_elf_check_relocs): Fix the issue that the shared library may
    	has TEXTREL entry in the dynamic section.
    	(nds32_elf_create_dynamic_sections): Enable to call readonly_dynrelocs
    	since the TEXTREL issue is fixed in the nds32_elf_check_relocs.
    	(nds32_elf_finish_dynamic_sections): Update and add DT_RELASZ
    	dynamic entry.
    	(calculate_offset): Remove the unused parameter `pic_ext_target' and
    	related codes.
    	All callers changed.
    	(elf_backend_dtrel_excludes_plt): Disable it temporarily since it
    	will cause some errors for our test cases.
    	* elf32-nds32.c (nds32_elf_merge_private_bfd_data): Allow to link the
    	generic object.
    	* reloc.c: Add TLS relocations.
    	* libbfd.h: Regenerated.
    	* bfd-in2.h: Regenerated.
    	* elf32-nds32.h (struct section_id_list_t): New.
    	(elf32_nds32_lookup_section_id, elf32_nds32_check_relax_group,
    	elf32_nds32_unify_relax_group, nds32_elf_unify_tls_model):
    	New prototypes.
    	(elf32_nds32_compute_jump_table_size, elf32_nds32_local_tlsdesc_gotent):
    	New macro.
    	(nds32_insertion_sort, bfd_elf32_nds32_set_target_option,
    	elf_nds32_link_hash_table): Updated.
    	* elf32-nds32.c (enum elf_nds32_tls_type): New.
    	(struct elf32_nds32_relax_group_t, struct relax_group_list_t): New.
    	(elf32_nds32_add_dynreloc, patch_tls_desc_to_ie, get_tls_type,
    	fls, ones32, list_insert, list_insert_sibling, dump_chain,
    	elf32_nds32_check_relax_group, elf32_nds32_lookup_section_id,
    	elf32_nds32_unify_relax_group, nds32_elf_unify_tls_model): New functions.
    	(elf_nds32_obj_tdata): Add new fields.
    	(elf32_nds32_relax_group_ptr, nds32_elf_local_tlsdesc_gotent): New macros.
    	(nds32_elf_howto_table): Add TLS relocations.
    	(nds32_reloc_map): Likewise.
    	(nds32_elf_copy_indirect_symbol, nds32_elf_size_dynamic_sections,
    	nds32_elf_finish_dynamic_symbol, elf32_nds32_allocate_local_sym_info,
    	nds32_elf_relocate_section, bfd_elf32_nds32_set_target_option,
    	nds32_elf_check_relocs, allocate_dynrelocs): Updated.
    	(nds32_elf_relax_section): Call nds32_elf_unify_tls_model.
    	(dtpoff_base): Rename it to `gottpof' and then update it.
    
    opcodes	* nds32-asm.c (operand_fields): Remove the unused fields.
    	(nds32_opcodes): Remove the unused instructions.
    	* nds32-dis.c (nds32_ex9_info): Removed.
    	(nds32_parse_opcode): Updated.
    	(print_insn_nds32): Likewise.
    	* nds32-asm.c (config.h, stdlib.h, string.h): New includes.
    	(LEX_SET_FIELD, LEX_GET_FIELD): Update defines.
    	(nds32_asm_init, build_operand_hash_table, build_keyword_hash_table,
    	build_opcode_hash_table): New functions.
    	(nds32_keyword_table, nds32_keyword_count_table, nds32_field_table,
    	nds32_opcode_table): New.
    	(hw_ktabs): Declare it to a pointer rather than an array.
    	(build_hash_table): Removed.
    	* nds32-asm.h (enum): Add SYN_INPUT, SYN_OUTPUT, SYN_LOPT,
    	SYN_ROPT and upadte HW_GPR and HW_INT.
    	* nds32-dis.c (keywords): Remove const.
    	(match_field): New function.
    	(nds32_parse_opcode): Updated.
    	* disassemble.c (disassemble_init_for_target):
    	Add disassemble_init_nds32.
    	* nds32-dis.c (eum map_type): New.
    	(nds32_private_data): Likewise.
    	(get_mapping_symbol_type, is_mapping_symbol, nds32_symbol_is_valid,
    	nds32_add_opcode_hash_table, disassemble_init_nds32): New functions.
    	(print_insn_nds32): Updated.
    	* nds32-asm.c (parse_aext_reg): Add new parameter.
    	(parse_re, parse_re2, parse_aext_reg): Only reduced registers
    	are allowed to use.
    	All callers changed.
    	* nds32-asm.c (keyword_usr, keyword_sr): Updated.
    	(operand_fields): Add new fields.
    	(nds32_opcodes): Add new instructions.
    	(keyword_aridxi_mx): New keyword.
    	* nds32-asm.h (enum): Add NASM_ATTR_DSP_ISAEXT, HW_AEXT_ARIDXI_MX
    	and NASM_ATTR_ZOL.
    	(ALU2_1, ALU2_2, ALU2_3): New macros.
    	* nds32-dis.c (nds32_filter_unknown_insn): Updated.
    fbaf61ad
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