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Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index eefb123..df81821 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,276 @@ +2004-10-07 Bob Wilson <bob.wilson@acm.org> + + * 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. + 2004-10-07 Richard Sandiford <rsandifo@redhat.com> * elf64-mips.c (mips_elf64_write_rel): Use STN_UNDEF for relocs |