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e17a411335
extract_long_unsigned_integer, store_signed_integer, store_unsigned_integer): Add BYTE_ORDER parameter. * findvar.c (extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer, store_signed_integer, store_unsigned_integer): Add BYTE_ORDER parameter. Use it instead of current_gdbarch. * gdbcore.h (read_memory_integer, safe_read_memory_integer, read_memory_unsigned_integer, write_memory_signed_integer, write_memory_unsigned_integer): Add BYTE_ORDER parameter. * corefile.c (struct captured_read_memory_integer_arguments): Add BYTE_ORDER member. (safe_read_memory_integer): Add BYTE_ORDER parameter. Store it into struct captured_read_memory_integer_arguments. (do_captured_read_memory_integer): Pass it to read_memory_integer. (read_memory_integer): Add BYTE_ORDER parameter. Pass it to extract_signed_integer. (read_memory_unsigned_integer): Add BYTE_ORDER parameter. Pass it to extract_unsigned_integer. (write_memory_signed_integer): Add BYTE_ORDER parameter. Pass it to store_signed_integer. (write_memory_unsigned_integer): Add BYTE_ORDER parameter. Pass it to store_unsigned_integer. * target.h (get_target_memory_unsigned): Add BYTE_ORDER parameter. * target.c (get_target_memory_unsigned): Add BYTE_ORDER parameter. Pass it to extract_unsigned_integer. Update calls to extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer, store_signed_integer, store_unsigned_integer, read_memory_integer, read_memory_unsigned_integer, safe_read_memory_integer, write_memory_signed_integer, write_memory_unsigned_integer, and get_target_memory_unsigned to pass byte order: * ada-lang.c (ada_value_binop): Update. * ada-valprint.c (char_at): Update. * alpha-osf1-tdep.c (alpha_osf1_sigcontext_addr): Update. * alpha-tdep.c (alpha_lds, alpha_sts, alpha_push_dummy_call, alpha_extract_return_value, alpha_read_insn, alpha_get_longjmp_target): Update. * amd64-linux-tdep.c (amd64_linux_sigcontext_addr): Update. * amd64obsd-tdep.c (amd64obsd_supply_uthread, amd64obsd_collect_uthread, amd64obsd_trapframe_cache): Update. * amd64-tdep.c (amd64_push_dummy_call, amd64_analyze_prologue, amd64_frame_cache, amd64_sigtramp_frame_cache, fixup_riprel, amd64_displaced_step_fixup): Update. * arm-linux-tdep.c (arm_linux_sigreturn_init, arm_linux_rt_sigreturn_init, arm_linux_supply_gregset): Update. * arm-tdep.c (thumb_analyze_prologue, arm_skip_prologue, arm_scan_prologue, arm_push_dummy_call, thumb_get_next_pc, arm_get_next_pc, arm_extract_return_value, arm_store_return_value, arm_return_value): Update. * arm-wince-tdep.c (arm_pe_skip_trampoline_code): Update. * auxv.c (default_auxv_parse): Update. * avr-tdep.c (avr_address_to_pointer, avr_pointer_to_address, avr_scan_prologue, avr_extract_return_value, avr_frame_prev_register, avr_push_dummy_call): Update. * bsd-uthread.c (bsd_uthread_check_magic, bsd_uthread_lookup_offset, bsd_uthread_wait, bsd_uthread_thread_alive, bsd_uthread_extra_thread_info): Update. * c-lang.c (c_printstr, print_wchar): Update. * cp-valprint.c (cp_print_class_member): Update. * cris-tdep.c (cris_sigcontext_addr, cris_sigtramp_frame_unwind_cache, cris_push_dummy_call, cris_scan_prologue, cris_store_return_value, cris_extract_return_value, find_step_target, dip_prefix, sixteen_bit_offset_branch_op, none_reg_mode_jump_op, move_mem_to_reg_movem_op, get_data_from_address): Update. * dwarf2expr.c (dwarf2_read_address, execute_stack_op): Update. * dwarf2-frame.c (execute_cfa_program): Update. * dwarf2loc.c (find_location_expression): Update. * dwarf2read.c (dwarf2_const_value): Update. * expprint.c (print_subexp_standard): Update. * findvar.c (unsigned_pointer_to_address, signed_pointer_to_address, unsigned_address_to_pointer, address_to_signed_pointer, read_var_value): Update. * frame.c (frame_unwind_register_signed, frame_unwind_register_unsigned, get_frame_memory_signed, get_frame_memory_unsigned): Update. * frame-unwind.c (frame_unwind_got_constant): Update. * frv-linux-tdep.c (frv_linux_pc_in_sigtramp, frv_linux_sigcontext_reg_addr, frv_linux_sigtramp_frame_cache): Update. * frv-tdep.c (frv_analyze_prologue, frv_skip_main_prologue, frv_extract_return_value, find_func_descr, frv_convert_from_func_ptr_addr, frv_push_dummy_call): Update. * f-valprint.c (f_val_print): Update. * gnu-v3-abi.c (gnuv3_decode_method_ptr, gnuv3_make_method_ptr): Update. * h8300-tdep.c (h8300_is_argument_spill, h8300_analyze_prologue, h8300_push_dummy_call, h8300_extract_return_value, h8300h_extract_return_value, h8300_store_return_value, h8300h_store_return_value): Update. * hppabsd-tdep.c (hppabsd_find_global_pointer): Update. * hppa-hpux-nat.c (hppa_hpux_fetch_register, hppa_hpux_store_register): Update. * hppa-hpux-tdep.c (hppa32_hpux_in_solib_call_trampoline, hppa64_hpux_in_solib_call_trampoline, hppa_hpux_in_solib_return_trampoline, hppa_hpux_skip_trampoline_code, hppa_hpux_sigtramp_frame_unwind_cache, hppa_hpux_sigtramp_unwind_sniffer, hppa32_hpux_find_global_pointer, hppa64_hpux_find_global_pointer, hppa_hpux_search_pattern, hppa32_hpux_search_dummy_call_sequence, hppa64_hpux_search_dummy_call_sequence, hppa_hpux_supply_save_state, hppa_hpux_unwind_adjust_stub): Update. * hppa-linux-tdep.c (insns_match_pattern, hppa_linux_find_global_pointer): Update. * hppa-tdep.c (hppa_in_function_epilogue_p, hppa32_push_dummy_call, hppa64_convert_code_addr_to_fptr, hppa64_push_dummy_call, skip_prologue_hard_way, hppa_frame_cache, hppa_fallback_frame_cache, hppa_pseudo_register_read, hppa_frame_prev_register_helper, hppa_match_insns): Update. * hpux-thread.c (hpux_thread_fetch_registers): Update. * i386-tdep.c (i386bsd_sigcontext_addr): Update. * i386-cygwin-tdep.c (core_process_module_section): Update. * i386-darwin-nat.c (i386_darwin_sstep_at_sigreturn, amd64_darwin_sstep_at_sigreturn): Update. * i386-darwin-tdep.c (i386_darwin_sigcontext_addr, amd64_darwin_sigcontext_addr): Likewise. * i386-linux-nat.c (i386_linux_sigcontext_addr): Update. * i386nbsd-tdep.c (i386nbsd_sigtramp_cache_init): Update. * i386-nto-tdep.c (i386nto_sigcontext_addr): Update. * i386obsd-nat.c (i386obsd_supply_pcb): Update. * i386obsd-tdep.c (i386obsd_supply_uthread, i386obsd_collect_uthread, i386obsd_trapframe_cache): Update. * i386-tdep.c (i386_displaced_step_fixup, i386_follow_jump, i386_analyze_frame_setup, i386_analyze_prologue, i386_skip_main_prologue, i386_frame_cache, i386_sigtramp_frame_cache, i386_get_longjmp_target, i386_push_dummy_call, i386_pe_skip_trampoline_code, i386_svr4_sigcontext_addr, i386_fetch_pointer_argument): Update. * i387-tdep.c (i387_supply_fsave): Update. * ia64-linux-tdep.c (ia64_linux_sigcontext_register_address): Update. * ia64-tdep.c (ia64_pseudo_register_read, ia64_pseudo_register_write, examine_prologue, ia64_frame_cache, ia64_frame_prev_register, ia64_sigtramp_frame_cache, ia64_sigtramp_frame_prev_register, ia64_access_reg, ia64_access_rse_reg, ia64_libunwind_frame_this_id, ia64_libunwind_frame_prev_register, ia64_libunwind_sigtramp_frame_this_id, ia64_libunwind_sigtramp_frame_prev_register, ia64_find_global_pointer, find_extant_func_descr, find_func_descr, ia64_convert_from_func_ptr_addr, ia64_push_dummy_call, ia64_dummy_id, ia64_unwind_pc): Update. * iq2000-tdep.c (iq2000_pointer_to_address, iq2000_address_to_pointer, iq2000_scan_prologue, iq2000_extract_return_value, iq2000_push_dummy_call): Update. * irix5nat.c (fill_gregset): Update. * jv-lang.c (evaluate_subexp_java): Update. * jv-valprint.c (java_value_print): Update. * lm32-tdep.c (lm32_analyze_prologue, lm32_push_dummy_call, lm32_extract_return_value, lm32_store_return_value): Update. * m32c-tdep.c (m32c_push_dummy_call, m32c_return_value, m32c_skip_trampoline_code, m32c_m16c_address_to_pointer, m32c_m16c_pointer_to_address): Update. * m32r-tdep.c (m32r_store_return_value, decode_prologue, m32r_skip_prologue, m32r_push_dummy_call, m32r_extract_return_value): Update. * m68hc11-tdep.c (m68hc11_pseudo_register_read, m68hc11_pseudo_register_write, m68hc11_analyze_instruction, m68hc11_push_dummy_call): Update. * m68linux-tdep.c (m68k_linux_pc_in_sigtramp, m68k_linux_get_sigtramp_info, m68k_linux_sigtramp_frame_cache): Update. * m68k-tdep.c (m68k_push_dummy_call, m68k_analyze_frame_setup, m68k_analyze_register_saves, m68k_analyze_prologue, m68k_frame_cache, m68k_get_longjmp_target): Update. * m88k-tdep.c (m88k_fetch_instruction): Update. * mep-tdep.c (mep_pseudo_cr32_read, mep_pseudo_csr_write, mep_pseudo_cr32_write, mep_get_insn, mep_push_dummy_call): Update. * mi/mi-main.c (mi_cmd_data_write_memory): Update. * mips-linux-tdep.c (mips_linux_get_longjmp_target, supply_32bit_reg, mips64_linux_get_longjmp_target, mips64_fill_gregset, mips64_fill_fpregset, mips_linux_in_dynsym_stub): Update. * mipsnbdsd-tdep.c (mipsnbsd_get_longjmp_target): Update. * mips-tdep.c (mips_fetch_instruction, fetch_mips_16, mips_eabi_push_dummy_call, mips_n32n64_push_dummy_call, mips_o32_push_dummy_call, mips_o64_push_dummy_call, mips_single_step_through_delay, mips_skip_pic_trampoline_code, mips_integer_to_address): Update. * mn10300-tdep.c (mn10300_analyze_prologue, mn10300_push_dummy_call): Update. * monitor.c (monitor_supply_register, monitor_write_memory, monitor_read_memory_single): Update. * moxie-tdep.c (moxie_store_return_value, moxie_extract_return_value, moxie_analyze_prologue): Update. * mt-tdep.c (mt_return_value, mt_skip_prologue, mt_select_coprocessor, mt_pseudo_register_read, mt_pseudo_register_write, mt_registers_info, mt_push_dummy_call): Update. * objc-lang.c (read_objc_method, read_objc_methlist_nmethods, read_objc_methlist_method, read_objc_object, read_objc_super, read_objc_class, find_implementation_from_class): Update. * ppc64-linux-tdep.c (ppc64_desc_entry_point, ppc64_linux_convert_from_func_ptr_addr, ppc_linux_sigtramp_cache): Update. * ppcobsd-tdep.c (ppcobsd_sigtramp_frame_sniffer, ppcobsd_sigtramp_frame_cache): Update. * ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call, do_ppc_sysv_return_value, ppc64_sysv_abi_push_dummy_call, ppc64_sysv_abi_return_value): Update. * ppc-linux-nat.c (ppc_linux_auxv_parse): Update. * procfs.c (procfs_auxv_parse): Update. * p-valprint.c (pascal_val_print): Update. * regcache.c (regcache_raw_read_signed, regcache_raw_read_unsigned, regcache_raw_write_signed, regcache_raw_write_unsigned, regcache_cooked_read_signed, regcache_cooked_read_unsigned, regcache_cooked_write_signed, regcache_cooked_write_unsigned): Update. * remote-m32r-sdi.c (m32r_fetch_register): Update. * remote-mips.c (mips_wait, mips_fetch_registers, mips_xfer_memory): Update. * rs6000-aix-tdep.c (rs6000_push_dummy_call, rs6000_return_value, rs6000_convert_from_func_ptr_addr, branch_dest, rs6000_software_single_step): Update. * rs6000-tdep.c (rs6000_in_function_epilogue_p, ppc_displaced_step_fixup, ppc_deal_with_atomic_sequence, bl_to_blrl_insn_p, rs6000_fetch_instruction, skip_prologue, rs6000_skip_main_prologue, rs6000_skip_trampoline_code, rs6000_frame_cache): Update. * s390-tdep.c (s390_pseudo_register_read, s390_pseudo_register_write, s390x_pseudo_register_read, s390x_pseudo_register_write, s390_load, s390_backchain_frame_unwind_cache, s390_sigtramp_frame_unwind_cache, extend_simple_arg, s390_push_dummy_call, s390_return_value): Update. * scm-exp.c (scm_lreadr): Update. * scm-lang.c (scm_get_field, scm_unpack): Update. * scm-valprint.c (scm_val_print): Update. * score-tdep.c (score_breakpoint_from_pc, score_push_dummy_call, score_fetch_inst): Update. * sh64-tdep.c (look_for_args_moves, sh64_skip_prologue_hard_way, sh64_analyze_prologue, sh64_push_dummy_call, sh64_extract_return_value, sh64_pseudo_register_read, sh64_pseudo_register_write, sh64_frame_prev_register): Update: * sh-tdep.c (sh_analyze_prologue, sh_push_dummy_call_fpu, sh_push_dummy_call_nofpu, sh_extract_return_value_nofpu, sh_store_return_value_nofpu, sh_in_function_epilogue_p): Update. * solib-darwin.c (darwin_load_image_infos): Update. * solib-frv.c (fetch_loadmap, lm_base, frv_current_sos, enable_break2, find_canonical_descriptor_in_load_object): Update. * solib-irix.c (extract_mips_address, fetch_lm_info, irix_current_sos, irix_open_symbol_file_object): Update. * solib-som.c (som_solib_create_inferior_hook, link_map_start, som_current_sos, som_open_symbol_file_object): Update. * solib-sunos.c (SOLIB_EXTRACT_ADDRESS, LM_ADDR, LM_NEXT, LM_NAME): Update. * solib-svr4.c (read_program_header, scan_dyntag_auxv, solib_svr4_r_ldsomap): Update. * sparc64-linux-tdep.c (sparc64_linux_step_trap): Update. * sparc64obsd-tdep.c (sparc64obsd_supply_uthread, sparc64obsd_collect_uthread): Update. * sparc64-tdep.c (sparc64_pseudo_register_read, sparc64_pseudo_register_write, sparc64_supply_gregset, sparc64_collect_gregset): Update. * sparc-linux-tdep.c (sparc32_linux_step_trap): Update. * sparcobsd-tdep.c (sparc32obsd_supply_uthread, sparc32obsd_collect_uthread): Update. * sparc-tdep.c (sparc_fetch_wcookie, sparc32_push_dummy_code, sparc32_store_arguments, sparc32_return_value, sparc_supply_rwindow, sparc_collect_rwindow): Update. * spu-linux-nat.c (parse_spufs_run): Update. * spu-tdep.c (spu_pseudo_register_read_spu, spu_pseudo_register_write_spu, spu_pointer_to_address, spu_analyze_prologue, spu_in_function_epilogue_p, spu_frame_unwind_cache, spu_push_dummy_call, spu_software_single_step, spu_get_longjmp_target, spu_get_overlay_table, spu_overlay_update_osect, info_spu_signal_command, info_spu_mailbox_list, info_spu_dma_cmdlist, info_spu_dma_command, info_spu_proxydma_command): Update. * stack.c (print_frame_nameless_args, frame_info): Update. * symfile.c (read_target_long_array, simple_read_overlay_table, simple_read_overlay_region_table): Update. * target.c (debug_print_register): Update. * tramp-frame.c (tramp_frame_start): Update. * v850-tdep.c (v850_analyze_prologue, v850_push_dummy_call, v850_extract_return_value, v850_store_return_value, * valarith.c (value_binop, value_bit_index): Update. * valops.c (value_cast): Update. * valprint.c (val_print_type_code_int, val_print_string, read_string): Update. * value.c (unpack_long, unpack_double, unpack_field_as_long, modify_field, pack_long): Update. * vax-tdep.c (vax_store_arguments, vax_push_dummy_call, vax_skip_prologue): Update. * xstormy16-tdep.c (xstormy16_push_dummy_call, xstormy16_analyze_prologue, xstormy16_in_function_epilogue_p, xstormy16_resolve_jmp_table_entry, xstormy16_find_jmp_table_entry, xstormy16_pointer_to_address, xstormy16_address_to_pointer): Update. * xtensa-tdep.c (extract_call_winsize, xtensa_pseudo_register_read, xtensa_pseudo_register_write, xtensa_frame_cache, xtensa_push_dummy_call, call0_track_op, call0_frame_cache): Update. * dfp.h (decimal_to_string, decimal_from_string, decimal_from_integral, decimal_from_floating, decimal_to_doublest, decimal_is_zero): Add BYTE_ORDER parameter. (decimal_binop): Add BYTE_ORDER_X, BYTE_ORDER_Y, and BYTE_ORDER_RESULT parameters. (decimal_compare): Add BYTE_ORDER_X and BYTE_ORDER_Y parameters. (decimal_convert): Add BYTE_ORDER_FROM and BYTE_ORDER_TO parameters. * dfp.c (match_endianness): Add BYTE_ORDER parameter. Use it instead of current_gdbarch. (decimal_to_string, decimal_from_integral, decimal_from_floating, decimal_to_doublest, decimal_is_zero): Add BYTE_ORDER parameter. Pass it to match_endianness. (decimal_binop): Add BYTE_ORDER_X, BYTE_ORDER_Y, and BYTE_ORDER_RESULT parameters. Pass them to match_endianness. (decimal_compare): Add BYTE_ORDER_X and BYTE_ORDER_Y parameters. Pass them to match_endianness. (decimal_convert): Add BYTE_ORDER_FROM and BYTE_ORDER_TO parameters. Pass them to match_endianness. * valarith.c (value_args_as_decimal): Add BYTE_ORDER_X and BYTE_ORDER_Y output parameters. (value_binop): Update call to value_args_as_decimal. Update calls to decimal_to_string, decimal_from_string, decimal_from_integral, decimal_from_floating, decimal_to_doublest, decimal_is_zero, decimal_binop, decimal_compare and decimal_convert to pass/receive byte order: * c-exp.y (parse_number): Update. * printcmd.c (printf_command): Update. * valarith.c (value_args_as_decimal, value_binop, value_logical_not, value_equal, value_less): Update. * valops.c (value_cast, value_one): Update. * valprint.c (print_decimal_floating): Update. * value.c (unpack_long, unpack_double): Update. * python/python-value.c (valpy_nonzero): Update. * ada-valprint.c (char_at): Add BYTE_ORDER parameter. (printstr): Update calls to char_at. (ada_val_print_array): Likewise. * valprint.c (read_string): Add BYTE_ORDER parameter. (val_print_string): Update call to read_string. * c-lang.c (c_get_string): Likewise. * charset.h (target_wide_charset): Add BYTE_ORDER parameter. * charset.c (target_wide_charset): Add BYTE_ORDER parameter. Use it instead of current_gdbarch. * printcmd.c (printf_command): Update calls to target_wide_charset. * c-lang.c (charset_for_string_type): Add BYTE_ORDER parameter. Pass to target_wide_charset. Use it instead of current_gdbarch. (classify_type): Add BYTE_ORDER parameter. Pass to charset_for_string_type. Allow NULL encoding pointer. (print_wchar): Add BYTE_ORDER parameter. (c_emit_char): Update calls to classify_type and print_wchar. (c_printchar, c_printstr): Likewise. * gdbarch.sh (in_solib_return_trampoline): Convert to type "m". * gdbarch.c, gdbarch.h: Regenerate. * arch-utils.h (generic_in_solib_return_trampoline): Add GDBARCH parameter. * arch-utils.c (generic_in_solib_return_trampoline): Likewise. * hppa-hpux-tdep.c (hppa_hpux_in_solib_return_trampoline): Likewise. * rs6000-tdep.c (rs6000_in_solib_return_trampoline): Likewise. (rs6000_skip_trampoline_code): Update call. * alpha-tdep.h (struct gdbarch_tdep): Add GDBARCH parameter to dynamic_sigtramp_offset and pc_in_sigtramp callbacks. (alpha_read_insn): Add GDBARCH parameter. * alpha-tdep.c (alpha_lds, alpha_sts): Add GDBARCH parameter. (alpha_register_to_value): Pass architecture to alpha_sts. (alpha_extract_return_value): Likewise. (alpha_value_to_register): Pass architecture to alpha_lds. (alpha_store_return_value): Likewise. (alpha_read_insn): Add GDBARCH parameter. (alpha_skip_prologue): Pass architecture to alpha_read_insn. (alpha_heuristic_proc_start): Likewise. (alpha_heuristic_frame_unwind_cache): Likewise. (alpha_next_pc): Likewise. (alpha_sigtramp_frame_this_id): Pass architecture to tdep->dynamic_sigtramp_offset callback. (alpha_sigtramp_frame_sniffer): Pass architecture to tdep->pc_in_sigtramp callback. * alphafbsd-tdep.c (alphafbsd_pc_in_sigtramp): Add GDBARCH parameter. (alphafbsd_sigtramp_offset): Likewise. * alpha-linux-tdep.c (alpha_linux_sigtramp_offset_1): Add GDBARCH parameter. Pass to alpha_read_insn. (alpha_linux_sigtramp_offset): Add GDBARCH parameter. Pass to alpha_linux_sigtramp_offset_1. (alpha_linux_pc_in_sigtramp): Add GDBARCH parameter. Pass to alpha_linux_sigtramp_offset. (alpha_linux_sigcontext_addr): Pass architecture to alpha_read_insn and alpha_linux_sigtramp_offset. * alphanbsd-tdep.c (alphanbsd_sigtramp_offset): Add GDBARCH parameter. (alphanbsd_pc_in_sigtramp): Add GDBARCH parameter. Pass to alphanbsd_sigtramp_offset. * alphaobsd-tdep.c (alphaobsd_sigtramp_offset): Add GDBARCH parameter. (alphaobsd_pc_in_sigtramp): Add GDBARCH parameter. Pass to alpha_read_insn. (alphaobsd_sigcontext_addr): Pass architecture to alphaobsd_sigtramp_offset. * alpha-osf1-tdep.c (alpha_osf1_pc_in_sigtramp): Add GDBARCH parameter. * amd64-tdep.c (amd64_analyze_prologue): Add GDBARCH parameter. (amd64_skip_prologue): Pass architecture to amd64_analyze_prologue. (amd64_frame_cache): Likewise. * arm-tdep.c (SWAP_SHORT, SWAP_INT): Remove. (thumb_analyze_prologue, arm_skip_prologue, arm_scan_prologue, thumb_get_next_pc, arm_get_next_pc): Do not use SWAP_ macros. * arm-wince-tdep.c: Include "frame.h". * avr-tdep.c (EXTRACT_INSN): Remove. (avr_scan_prologue): Add GDBARCH argument, inline EXTRACT_INSN. (avr_skip_prologue): Pass architecture to avr_scan_prologue. (avr_frame_unwind_cache): Likewise. * cris-tdep.c (struct instruction_environment): Add BYTE_ORDER member. (find_step_target): Initialize it. (get_data_from_address): Add BYTE_ORDER parameter. (bdap_prefix): Pass byte order to get_data_from_address. (handle_prefix_assign_mode_for_aritm_op): Likewise. (three_operand_add_sub_cmp_and_or_op): Likewise. (handle_inc_and_index_mode_for_aritm_op): Likewise. * frv-linux-tdep.c (frv_linux_pc_in_sigtramp): Add GDBARCH parameter. (frv_linux_sigcontext_reg_addr): Pass architecture to frv_linux_pc_in_sigtramp. (frv_linux_sigtramp_frame_sniffer): Likewise. * h8300-tdep.c (h8300_is_argument_spill): Add GDBARCH parameter. (h8300_analyze_prologue): Add GDBARCH parameter. Pass to h8300_is_argument_spill. (h8300_frame_cache, h8300_skip_prologue): Pass architecture to h8300_analyze_prologue. * hppa-tdep.h (struct gdbarch_tdep): Add GDBARCH parameter to in_solib_call_trampoline callback. (hppa_in_solib_call_trampoline): Add GDBARCH parameter. * hppa-tdep.c (hppa64_convert_code_addr_to_fptr): Add GDBARCH parameter. (hppa64_push_dummy_call): Pass architecture to hppa64_convert_code_addr_to_fptr. (hppa_match_insns): Add GDBARCH parameter. (hppa_match_insns_relaxed): Add GDBARCH parameter. Pass to hppa_match_insns. (hppa_skip_trampoline_code): Pass architecture to hppa_match_insns. (hppa_in_solib_call_trampoline): Add GDBARCH parameter. Pass to hppa_match_insns_relaxed. (hppa_stub_unwind_sniffer): Pass architecture to tdep->in_solib_call_trampoline callback. * hppa-hpux-tdep.c (hppa_hpux_search_pattern): Add GDBARCH parameter. (hppa32_hpux_search_dummy_call_sequence): Pass architecture to hppa_hpux_search_pattern. * hppa-linux-tdep.c (insns_match_pattern): Add GDBARCH parameter. (hppa_linux_sigtramp_find_sigcontext): Add GDBARCH parameter. Pass to insns_match_pattern. (hppa_linux_sigtramp_frame_unwind_cache): Pass architecture to hppa_linux_sigtramp_find_sigcontext. (hppa_linux_sigtramp_frame_sniffer): Likewise. (hppa32_hpux_in_solib_call_trampoline): Add GDBARCH parameter. (hppa64_hpux_in_solib_call_trampoline): Likewise. * i386-tdep.c (i386_follow_jump): Add GDBARCH parameter. (i386_analyze_frame_setup): Add GDBARCH parameter. (i386_analyze_prologue): Add GDBARCH parameter. Pass to i386_follow_jump and i386_analyze_frame_setup. (i386_skip_prologue): Pass architecture to i386_analyze_prologue and i386_follow_jump. (i386_frame_cache): Pass architecture to i386_analyze_prologue. (i386_pe_skip_trampoline_code): Add FRAME parameter. * i386-tdep.h (i386_pe_skip_trampoline_code): Add FRAME parameter. * i386-cygwin-tdep.c (i386_cygwin_skip_trampoline_code): Pass frame to i386_pe_skip_trampoline_code. * ia64-tdep.h (struct gdbarch_tdep): Add GDBARCH parameter to sigcontext_register_address callback. * ia64-tdep.c (ia64_find_global_pointer): Add GDBARCH parameter. (ia64_find_unwind_table): Pass architecture to ia64_find_global_pointer. (find_extant_func_descr): Add GDBARCH parameter. (find_func_descr): Pass architecture to find_extant_func_descr and ia64_find_global_pointer. (ia64_sigtramp_frame_init_saved_regs): Pass architecture to tdep->sigcontext_register_address callback. * ia64-linux-tdep.c (ia64_linux_sigcontext_register_address): Add GDBARCH parameter. * iq2000-tdep.c (iq2000_scan_prologue): Add GDBARCH parameter. (iq2000_frame_cache): Pass architecture to iq2000_scan_prologue. * lm32-tdep.c (lm32_analyze_prologue): Add GDBARCH parameter. (lm32_skip_prologue, lm32_frame_cache): Pass architecture to lm32_analyze_prologue. * m32r-tdep.c (decode_prologue): Add GDBARCH parameter. (m32r_skip_prologue): Pass architecture to decode_prologue. * m68hc11-tdep.c (m68hc11_analyze_instruction): Add GDBARCH parameter. (m68hc11_scan_prologue): Pass architecture to m68hc11_analyze_instruction. * m68k-tdep.c (m68k_analyze_frame_setup): Add GDBARCH parameter. (m68k_analyze_prologue): Pass architecture to m68k_analyze_frame_setup. * m88k-tdep.c (m88k_fetch_instruction): Add BYTE_ORDER parameter. (m88k_analyze_prologue): Add GDBARCH parameter. Pass byte order to m88k_fetch_instruction. (m88k_skip_prologue): Pass architecture to m88k_analyze_prologue. (m88k_frame_cache): Likewise. * mep-tdep.c (mep_get_insn): Add GDBARCH parameter. (mep_analyze_prologue): Pass architecture to mep_get_insn. * mips-tdep.c (mips_fetch_instruction): Add GDBARCH parameter. (mips32_next_pc): Pass architecture to mips_fetch_instruction. (deal_with_atomic_sequence): Likewise. (unpack_mips16): Add GDBARCH parameter, pass to mips_fetch_instruction. (mips16_scan_prologue): Likewise. (mips32_scan_prologue): Likewise. (mips16_in_function_epilogue_p): Likewise. (mips32_in_function_epilogue_p): Likewise. (mips_about_to_return): Likewise. (mips_insn16_frame_cache): Pass architecture to mips16_scan_prologue. (mips_insn32_frame_cache): Pass architecture to mips32_scan_prologue. (mips_skip_prologue): Pass architecture to mips16_scan_prologue and mips32_scan_prologue. (mips_in_function_epilogue_p): Pass architecture to mips16_in_function_epilogue_p and mips32_in_function_epilogue_p. (heuristic_proc_start): Pass architecture to mips_fetch_instruction and mips_about_to_return. (mips_skip_mips16_trampoline_code): Pass architecture to mips_fetch_instruction. (fetch_mips_16): Add GDBARCH parameter. (mips16_next_pc): Pass architecture to fetch_mips_16. (extended_mips16_next_pc): Pass architecture to unpack_mips16 and fetch_mips_16. * objc-lang.c (read_objc_method, read_objc_methlist_nmethods, read_objc_methlist_method, read_objc_object, read_objc_super, read_objc_class): Add GDBARCH parameter. (find_implementation_from_class): Add GDBARCH parameter, pass to read_objc_class, read_objc_methlist_nmethods, and read_objc_methlist_method. (find_implementation): Add GDBARCH parameter, pass to read_objc_object and find_implementation_from_class. (resolve_msgsend, resolve_msgsend_stret): Pass architecture to find_implementation. (resolve_msgsend_super, resolve_msgsend_super_stret): Pass architecture to read_objc_super and find_implementation_from_class. * ppc64-linux-tdep.c (ppc64_desc_entry_point): Add GDBARCH parameter. (ppc64_standard_linkage1_target, ppc64_standard_linkage2_target, ppc64_standard_linkage3_target): Pass architecture to ppc64_desc_entry_point. * rs6000-tdep.c (bl_to_blrl_insn_p): Add BYTE_ORDER parameter. (skip_prologue): Pass byte order to bl_to_blrl_insn_p. (rs6000_fetch_instruction): Add GDBARCH parameter. (rs6000_skip_stack_check): Add GDBARCH parameter, pass to rs6000_fetch_instruction. (skip_prologue): Pass architecture to rs6000_fetch_instruction. * remote-mips.c (mips_store_word): Return old_contents as host integer value instead of target bytes. * s390-tdep.c (struct s390_prologue_data): Add BYTE_ORDER member. (s390_analyze_prologue): Initialize it. (extend_simple_arg): Add GDBARCH parameter. (s390_push_dummy_call): Pass architecture to extend_simple_arg. * scm-lang.c (scm_get_field): Add BYTE_ORDER parameter. * scm-lang.h (scm_get_field): Add BYTE_ORDER parameter. (SCM_CAR, SCM_CDR): Pass SCM_BYTE_ORDER to scm_get_field. * scm-valprint.c (scm_scmval_print): Likewise. (scm_scmlist_print, scm_ipruk, scm_scmval_print): Define SCM_BYTE_ORDER. * sh64-tdep.c (look_for_args_moves): Add GDBARCH parameter. (sh64_skip_prologue_hard_way): Add GDBARCH parameter, pass to look_for_args_moves. (sh64_skip_prologue): Pass architecture to sh64_skip_prologue_hard_way. * sh-tdep.c (sh_analyze_prologue): Add GDBARCH parameter. (sh_skip_prologue): Pass architecture to sh_analyze_prologue. (sh_frame_cache): Likewise. * solib-irix.c (extract_mips_address): Add GDBARCH parameter. (fetch_lm_info, irix_current_sos, irix_open_symbol_file_object): Pass architecture to extract_mips_address. * sparc-tdep.h (sparc_fetch_wcookie): Add GDBARCH parameter. * sparc-tdep.c (sparc_fetch_wcookie): Add GDBARCH parameter. (sparc_supply_rwindow, sparc_collect_rwindow): Pass architecture to sparc_fetch_wcookie. (sparc32_frame_prev_register): Likewise. * sparc64-tdep.c (sparc64_frame_prev_register): Likewise. * sparc32nbsd-tdep.c (sparc32nbsd_sigcontext_saved_regs): Likewise. * sparc64nbsd-tdep.c (sparc64nbsd_sigcontext_saved_regs): Likewise. * spu-tdep.c (spu_analyze_prologue): Add GDBARCH parameter. (spu_skip_prologue): Pass architecture to spu_analyze_prologue. (spu_virtual_frame_pointer): Likewise. (spu_frame_unwind_cache): Likewise. (info_spu_mailbox_list): Add BYTE_ORER parameter. (info_spu_mailbox_command): Pass byte order to info_spu_mailbox_list. (info_spu_dma_cmdlist): Add BYTE_ORER parameter. (info_spu_dma_command, info_spu_proxydma_command): Pass byte order to info_spu_dma_cmdlist. * symfile.c (read_target_long_array): Add GDBARCH parameter. (simple_read_overlay_table, simple_read_overlay_region_table, simple_overlay_update_1): Pass architecture to read_target_long_array. * v850-tdep.c (v850_analyze_prologue): Add GDBARCH parameter. (v850_frame_cache): Pass architecture to v850_analyze_prologue. * xstormy16-tdep.c (xstormy16_analyze_prologue): Add GDBARCH parameter. (xstormy16_skip_prologue, xstormy16_frame_cache): Pass architecture to xstormy16_analyze_prologue. (xstormy16_resolve_jmp_table_entry): Add GDBARCH parameter. (xstormy16_find_jmp_table_entry): Likewise. (xstormy16_skip_trampoline_code): Pass architecture to xstormy16_resolve_jmp_table_entry. (xstormy16_pointer_to_address): Likewise. (xstormy16_address_to_pointer): Pass architecture to xstormy16_find_jmp_table_entry. * xtensa-tdep.c (call0_track_op): Add GDBARCH parameter. (call0_analyze_prologue): Add GDBARCH parameter, pass to call0_track_op. (call0_frame_cache): Pass architecture to call0_analyze_prologue. (xtensa_skip_prologue): Likewise.
1463 lines
43 KiB
C
1463 lines
43 KiB
C
/* Target-dependent code for UltraSPARC.
|
||
|
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Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
|
||
Free Software Foundation, Inc.
|
||
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||
This file is part of GDB.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 3 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
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||
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||
You should have received a copy of the GNU General Public License
|
||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
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||
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#include "defs.h"
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#include "arch-utils.h"
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||
#include "dwarf2-frame.h"
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||
#include "floatformat.h"
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||
#include "frame.h"
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#include "frame-base.h"
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#include "frame-unwind.h"
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#include "gdbcore.h"
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#include "gdbtypes.h"
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||
#include "inferior.h"
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||
#include "symtab.h"
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||
#include "objfiles.h"
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#include "osabi.h"
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#include "regcache.h"
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#include "target.h"
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#include "value.h"
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#include "gdb_assert.h"
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#include "gdb_string.h"
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#include "sparc64-tdep.h"
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/* This file implements the The SPARC 64-bit ABI as defined by the
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section "Low-Level System Information" of the SPARC Compliance
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Definition (SCD) 2.4.1, which is the 64-bit System V psABI for
|
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SPARC. */
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/* Please use the sparc32_-prefix for 32-bit specific code, the
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sparc64_-prefix for 64-bit specific code and the sparc_-prefix for
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code can handle both. */
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||
|
||
/* The functions on this page are intended to be used to classify
|
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function arguments. */
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||
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/* Check whether TYPE is "Integral or Pointer". */
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static int
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sparc64_integral_or_pointer_p (const struct type *type)
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{
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_INT:
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case TYPE_CODE_BOOL:
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||
case TYPE_CODE_CHAR:
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case TYPE_CODE_ENUM:
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case TYPE_CODE_RANGE:
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{
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int len = TYPE_LENGTH (type);
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gdb_assert (len == 1 || len == 2 || len == 4 || len == 8);
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}
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return 1;
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case TYPE_CODE_PTR:
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case TYPE_CODE_REF:
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{
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int len = TYPE_LENGTH (type);
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gdb_assert (len == 8);
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}
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return 1;
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default:
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break;
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}
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return 0;
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}
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/* Check whether TYPE is "Floating". */
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static int
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sparc64_floating_p (const struct type *type)
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{
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_FLT:
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{
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int len = TYPE_LENGTH (type);
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gdb_assert (len == 4 || len == 8 || len == 16);
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}
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return 1;
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default:
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break;
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}
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return 0;
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}
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/* Check whether TYPE is "Structure or Union". */
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static int
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sparc64_structure_or_union_p (const struct type *type)
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{
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_STRUCT:
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case TYPE_CODE_UNION:
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return 1;
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default:
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break;
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}
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return 0;
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}
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/* Construct types for ISA-specific registers. */
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static struct type *
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sparc64_pstate_type (struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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if (!tdep->sparc64_pstate_type)
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{
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struct type *type;
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type = arch_flags_type (gdbarch, "builtin_type_sparc64_pstate", 8);
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append_flags_type_flag (type, 0, "AG");
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append_flags_type_flag (type, 1, "IE");
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append_flags_type_flag (type, 2, "PRIV");
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append_flags_type_flag (type, 3, "AM");
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append_flags_type_flag (type, 4, "PEF");
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append_flags_type_flag (type, 5, "RED");
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append_flags_type_flag (type, 8, "TLE");
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append_flags_type_flag (type, 9, "CLE");
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append_flags_type_flag (type, 10, "PID0");
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append_flags_type_flag (type, 11, "PID1");
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tdep->sparc64_pstate_type = type;
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}
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return tdep->sparc64_pstate_type;
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}
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static struct type *
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sparc64_fsr_type (struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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||
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if (!tdep->sparc64_fsr_type)
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{
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struct type *type;
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type = arch_flags_type (gdbarch, "builtin_type_sparc64_fsr", 8);
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append_flags_type_flag (type, 0, "NXA");
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append_flags_type_flag (type, 1, "DZA");
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append_flags_type_flag (type, 2, "UFA");
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append_flags_type_flag (type, 3, "OFA");
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append_flags_type_flag (type, 4, "NVA");
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append_flags_type_flag (type, 5, "NXC");
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append_flags_type_flag (type, 6, "DZC");
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append_flags_type_flag (type, 7, "UFC");
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append_flags_type_flag (type, 8, "OFC");
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append_flags_type_flag (type, 9, "NVC");
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append_flags_type_flag (type, 22, "NS");
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append_flags_type_flag (type, 23, "NXM");
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append_flags_type_flag (type, 24, "DZM");
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append_flags_type_flag (type, 25, "UFM");
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append_flags_type_flag (type, 26, "OFM");
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append_flags_type_flag (type, 27, "NVM");
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tdep->sparc64_fsr_type = type;
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}
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return tdep->sparc64_fsr_type;
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||
}
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static struct type *
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sparc64_fprs_type (struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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||
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if (!tdep->sparc64_fprs_type)
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{
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struct type *type;
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||
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type = arch_flags_type (gdbarch, "builtin_type_sparc64_fprs", 8);
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append_flags_type_flag (type, 0, "DL");
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append_flags_type_flag (type, 1, "DU");
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append_flags_type_flag (type, 2, "FEF");
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tdep->sparc64_fprs_type = type;
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}
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return tdep->sparc64_fprs_type;
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}
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/* Register information. */
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static const char *sparc64_register_names[] =
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{
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"g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
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"o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",
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"l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
|
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"i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",
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|
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"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
|
||
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
|
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"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
|
||
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
|
||
"f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
|
||
"f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
|
||
|
||
"pc", "npc",
|
||
|
||
/* FIXME: Give "state" a name until we start using register groups. */
|
||
"state",
|
||
"fsr",
|
||
"fprs",
|
||
"y",
|
||
};
|
||
|
||
/* Total number of registers. */
|
||
#define SPARC64_NUM_REGS ARRAY_SIZE (sparc64_register_names)
|
||
|
||
/* We provide the aliases %d0..%d62 and %q0..%q60 for the floating
|
||
registers as "psuedo" registers. */
|
||
|
||
static const char *sparc64_pseudo_register_names[] =
|
||
{
|
||
"cwp", "pstate", "asi", "ccr",
|
||
|
||
"d0", "d2", "d4", "d6", "d8", "d10", "d12", "d14",
|
||
"d16", "d18", "d20", "d22", "d24", "d26", "d28", "d30",
|
||
"d32", "d34", "d36", "d38", "d40", "d42", "d44", "d46",
|
||
"d48", "d50", "d52", "d54", "d56", "d58", "d60", "d62",
|
||
|
||
"q0", "q4", "q8", "q12", "q16", "q20", "q24", "q28",
|
||
"q32", "q36", "q40", "q44", "q48", "q52", "q56", "q60",
|
||
};
|
||
|
||
/* Total number of pseudo registers. */
|
||
#define SPARC64_NUM_PSEUDO_REGS ARRAY_SIZE (sparc64_pseudo_register_names)
|
||
|
||
/* Return the name of register REGNUM. */
|
||
|
||
static const char *
|
||
sparc64_register_name (struct gdbarch *gdbarch, int regnum)
|
||
{
|
||
if (regnum >= 0 && regnum < SPARC64_NUM_REGS)
|
||
return sparc64_register_names[regnum];
|
||
|
||
if (regnum >= SPARC64_NUM_REGS
|
||
&& regnum < SPARC64_NUM_REGS + SPARC64_NUM_PSEUDO_REGS)
|
||
return sparc64_pseudo_register_names[regnum - SPARC64_NUM_REGS];
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/* Return the GDB type object for the "standard" data type of data in
|
||
register REGNUM. */
|
||
|
||
static struct type *
|
||
sparc64_register_type (struct gdbarch *gdbarch, int regnum)
|
||
{
|
||
/* Raw registers. */
|
||
|
||
if (regnum == SPARC_SP_REGNUM || regnum == SPARC_FP_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_data_ptr;
|
||
if (regnum >= SPARC_G0_REGNUM && regnum <= SPARC_I7_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_int64;
|
||
if (regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_float;
|
||
if (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_double;
|
||
if (regnum == SPARC64_PC_REGNUM || regnum == SPARC64_NPC_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_func_ptr;
|
||
/* This raw register contains the contents of %cwp, %pstate, %asi
|
||
and %ccr as laid out in a %tstate register. */
|
||
if (regnum == SPARC64_STATE_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_int64;
|
||
if (regnum == SPARC64_FSR_REGNUM)
|
||
return sparc64_fsr_type (gdbarch);
|
||
if (regnum == SPARC64_FPRS_REGNUM)
|
||
return sparc64_fprs_type (gdbarch);
|
||
/* "Although Y is a 64-bit register, its high-order 32 bits are
|
||
reserved and always read as 0." */
|
||
if (regnum == SPARC64_Y_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_int64;
|
||
|
||
/* Pseudo registers. */
|
||
|
||
if (regnum == SPARC64_CWP_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_int64;
|
||
if (regnum == SPARC64_PSTATE_REGNUM)
|
||
return sparc64_pstate_type (gdbarch);
|
||
if (regnum == SPARC64_ASI_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_int64;
|
||
if (regnum == SPARC64_CCR_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_int64;
|
||
if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D62_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_double;
|
||
if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q60_REGNUM)
|
||
return builtin_type (gdbarch)->builtin_long_double;
|
||
|
||
internal_error (__FILE__, __LINE__, _("invalid regnum"));
|
||
}
|
||
|
||
static void
|
||
sparc64_pseudo_register_read (struct gdbarch *gdbarch,
|
||
struct regcache *regcache,
|
||
int regnum, gdb_byte *buf)
|
||
{
|
||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||
gdb_assert (regnum >= SPARC64_NUM_REGS);
|
||
|
||
if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D30_REGNUM)
|
||
{
|
||
regnum = SPARC_F0_REGNUM + 2 * (regnum - SPARC64_D0_REGNUM);
|
||
regcache_raw_read (regcache, regnum, buf);
|
||
regcache_raw_read (regcache, regnum + 1, buf + 4);
|
||
}
|
||
else if (regnum >= SPARC64_D32_REGNUM && regnum <= SPARC64_D62_REGNUM)
|
||
{
|
||
regnum = SPARC64_F32_REGNUM + (regnum - SPARC64_D32_REGNUM);
|
||
regcache_raw_read (regcache, regnum, buf);
|
||
}
|
||
else if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q28_REGNUM)
|
||
{
|
||
regnum = SPARC_F0_REGNUM + 4 * (regnum - SPARC64_Q0_REGNUM);
|
||
regcache_raw_read (regcache, regnum, buf);
|
||
regcache_raw_read (regcache, regnum + 1, buf + 4);
|
||
regcache_raw_read (regcache, regnum + 2, buf + 8);
|
||
regcache_raw_read (regcache, regnum + 3, buf + 12);
|
||
}
|
||
else if (regnum >= SPARC64_Q32_REGNUM && regnum <= SPARC64_Q60_REGNUM)
|
||
{
|
||
regnum = SPARC64_F32_REGNUM + 2 * (regnum - SPARC64_Q32_REGNUM);
|
||
regcache_raw_read (regcache, regnum, buf);
|
||
regcache_raw_read (regcache, regnum + 1, buf + 8);
|
||
}
|
||
else if (regnum == SPARC64_CWP_REGNUM
|
||
|| regnum == SPARC64_PSTATE_REGNUM
|
||
|| regnum == SPARC64_ASI_REGNUM
|
||
|| regnum == SPARC64_CCR_REGNUM)
|
||
{
|
||
ULONGEST state;
|
||
|
||
regcache_raw_read_unsigned (regcache, SPARC64_STATE_REGNUM, &state);
|
||
switch (regnum)
|
||
{
|
||
case SPARC64_CWP_REGNUM:
|
||
state = (state >> 0) & ((1 << 5) - 1);
|
||
break;
|
||
case SPARC64_PSTATE_REGNUM:
|
||
state = (state >> 8) & ((1 << 12) - 1);
|
||
break;
|
||
case SPARC64_ASI_REGNUM:
|
||
state = (state >> 24) & ((1 << 8) - 1);
|
||
break;
|
||
case SPARC64_CCR_REGNUM:
|
||
state = (state >> 32) & ((1 << 8) - 1);
|
||
break;
|
||
}
|
||
store_unsigned_integer (buf, 8, byte_order, state);
|
||
}
|
||
}
|
||
|
||
static void
|
||
sparc64_pseudo_register_write (struct gdbarch *gdbarch,
|
||
struct regcache *regcache,
|
||
int regnum, const gdb_byte *buf)
|
||
{
|
||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||
gdb_assert (regnum >= SPARC64_NUM_REGS);
|
||
|
||
if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D30_REGNUM)
|
||
{
|
||
regnum = SPARC_F0_REGNUM + 2 * (regnum - SPARC64_D0_REGNUM);
|
||
regcache_raw_write (regcache, regnum, buf);
|
||
regcache_raw_write (regcache, regnum + 1, buf + 4);
|
||
}
|
||
else if (regnum >= SPARC64_D32_REGNUM && regnum <= SPARC64_D62_REGNUM)
|
||
{
|
||
regnum = SPARC64_F32_REGNUM + (regnum - SPARC64_D32_REGNUM);
|
||
regcache_raw_write (regcache, regnum, buf);
|
||
}
|
||
else if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q28_REGNUM)
|
||
{
|
||
regnum = SPARC_F0_REGNUM + 4 * (regnum - SPARC64_Q0_REGNUM);
|
||
regcache_raw_write (regcache, regnum, buf);
|
||
regcache_raw_write (regcache, regnum + 1, buf + 4);
|
||
regcache_raw_write (regcache, regnum + 2, buf + 8);
|
||
regcache_raw_write (regcache, regnum + 3, buf + 12);
|
||
}
|
||
else if (regnum >= SPARC64_Q32_REGNUM && regnum <= SPARC64_Q60_REGNUM)
|
||
{
|
||
regnum = SPARC64_F32_REGNUM + 2 * (regnum - SPARC64_Q32_REGNUM);
|
||
regcache_raw_write (regcache, regnum, buf);
|
||
regcache_raw_write (regcache, regnum + 1, buf + 8);
|
||
}
|
||
else if (regnum == SPARC64_CWP_REGNUM
|
||
|| regnum == SPARC64_PSTATE_REGNUM
|
||
|| regnum == SPARC64_ASI_REGNUM
|
||
|| regnum == SPARC64_CCR_REGNUM)
|
||
{
|
||
ULONGEST state, bits;
|
||
|
||
regcache_raw_read_unsigned (regcache, SPARC64_STATE_REGNUM, &state);
|
||
bits = extract_unsigned_integer (buf, 8, byte_order);
|
||
switch (regnum)
|
||
{
|
||
case SPARC64_CWP_REGNUM:
|
||
state |= ((bits & ((1 << 5) - 1)) << 0);
|
||
break;
|
||
case SPARC64_PSTATE_REGNUM:
|
||
state |= ((bits & ((1 << 12) - 1)) << 8);
|
||
break;
|
||
case SPARC64_ASI_REGNUM:
|
||
state |= ((bits & ((1 << 8) - 1)) << 24);
|
||
break;
|
||
case SPARC64_CCR_REGNUM:
|
||
state |= ((bits & ((1 << 8) - 1)) << 32);
|
||
break;
|
||
}
|
||
regcache_raw_write_unsigned (regcache, SPARC64_STATE_REGNUM, state);
|
||
}
|
||
}
|
||
|
||
|
||
/* Return PC of first real instruction of the function starting at
|
||
START_PC. */
|
||
|
||
static CORE_ADDR
|
||
sparc64_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
|
||
{
|
||
struct symtab_and_line sal;
|
||
CORE_ADDR func_start, func_end;
|
||
struct sparc_frame_cache cache;
|
||
|
||
/* This is the preferred method, find the end of the prologue by
|
||
using the debugging information. */
|
||
if (find_pc_partial_function (start_pc, NULL, &func_start, &func_end))
|
||
{
|
||
sal = find_pc_line (func_start, 0);
|
||
|
||
if (sal.end < func_end
|
||
&& start_pc <= sal.end)
|
||
return sal.end;
|
||
}
|
||
|
||
return sparc_analyze_prologue (gdbarch, start_pc, 0xffffffffffffffffULL,
|
||
&cache);
|
||
}
|
||
|
||
/* Normal frames. */
|
||
|
||
static struct sparc_frame_cache *
|
||
sparc64_frame_cache (struct frame_info *this_frame, void **this_cache)
|
||
{
|
||
return sparc_frame_cache (this_frame, this_cache);
|
||
}
|
||
|
||
static void
|
||
sparc64_frame_this_id (struct frame_info *this_frame, void **this_cache,
|
||
struct frame_id *this_id)
|
||
{
|
||
struct sparc_frame_cache *cache =
|
||
sparc64_frame_cache (this_frame, this_cache);
|
||
|
||
/* This marks the outermost frame. */
|
||
if (cache->base == 0)
|
||
return;
|
||
|
||
(*this_id) = frame_id_build (cache->base, cache->pc);
|
||
}
|
||
|
||
static struct value *
|
||
sparc64_frame_prev_register (struct frame_info *this_frame, void **this_cache,
|
||
int regnum)
|
||
{
|
||
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
||
struct sparc_frame_cache *cache =
|
||
sparc64_frame_cache (this_frame, this_cache);
|
||
|
||
if (regnum == SPARC64_PC_REGNUM || regnum == SPARC64_NPC_REGNUM)
|
||
{
|
||
CORE_ADDR pc = (regnum == SPARC64_NPC_REGNUM) ? 4 : 0;
|
||
|
||
regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
|
||
pc += get_frame_register_unsigned (this_frame, regnum) + 8;
|
||
return frame_unwind_got_constant (this_frame, regnum, pc);
|
||
}
|
||
|
||
/* Handle StackGhost. */
|
||
{
|
||
ULONGEST wcookie = sparc_fetch_wcookie (gdbarch);
|
||
|
||
if (wcookie != 0 && !cache->frameless_p && regnum == SPARC_I7_REGNUM)
|
||
{
|
||
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
|
||
ULONGEST i7;
|
||
|
||
/* Read the value in from memory. */
|
||
i7 = get_frame_memory_unsigned (this_frame, addr, 8);
|
||
return frame_unwind_got_constant (this_frame, regnum, i7 ^ wcookie);
|
||
}
|
||
}
|
||
|
||
/* The previous frame's `local' and `in' registers have been saved
|
||
in the register save area. */
|
||
if (!cache->frameless_p
|
||
&& regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM)
|
||
{
|
||
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
|
||
|
||
return frame_unwind_got_memory (this_frame, regnum, addr);
|
||
}
|
||
|
||
/* The previous frame's `out' registers are accessable as the
|
||
current frame's `in' registers. */
|
||
if (!cache->frameless_p
|
||
&& regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
|
||
regnum += (SPARC_I0_REGNUM - SPARC_O0_REGNUM);
|
||
|
||
return frame_unwind_got_register (this_frame, regnum, regnum);
|
||
}
|
||
|
||
static const struct frame_unwind sparc64_frame_unwind =
|
||
{
|
||
NORMAL_FRAME,
|
||
sparc64_frame_this_id,
|
||
sparc64_frame_prev_register,
|
||
NULL,
|
||
default_frame_sniffer
|
||
};
|
||
|
||
|
||
static CORE_ADDR
|
||
sparc64_frame_base_address (struct frame_info *this_frame, void **this_cache)
|
||
{
|
||
struct sparc_frame_cache *cache =
|
||
sparc64_frame_cache (this_frame, this_cache);
|
||
|
||
return cache->base;
|
||
}
|
||
|
||
static const struct frame_base sparc64_frame_base =
|
||
{
|
||
&sparc64_frame_unwind,
|
||
sparc64_frame_base_address,
|
||
sparc64_frame_base_address,
|
||
sparc64_frame_base_address
|
||
};
|
||
|
||
/* Check whether TYPE must be 16-byte aligned. */
|
||
|
||
static int
|
||
sparc64_16_byte_align_p (struct type *type)
|
||
{
|
||
if (sparc64_floating_p (type) && TYPE_LENGTH (type) == 16)
|
||
return 1;
|
||
|
||
if (sparc64_structure_or_union_p (type))
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < TYPE_NFIELDS (type); i++)
|
||
{
|
||
struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, i));
|
||
|
||
if (sparc64_16_byte_align_p (subtype))
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Store floating fields of element ELEMENT of an "parameter array"
|
||
that has type TYPE and is stored at BITPOS in VALBUF in the
|
||
apropriate registers of REGCACHE. This function can be called
|
||
recursively and therefore handles floating types in addition to
|
||
structures. */
|
||
|
||
static void
|
||
sparc64_store_floating_fields (struct regcache *regcache, struct type *type,
|
||
const gdb_byte *valbuf, int element, int bitpos)
|
||
{
|
||
gdb_assert (element < 16);
|
||
|
||
if (sparc64_floating_p (type))
|
||
{
|
||
int len = TYPE_LENGTH (type);
|
||
int regnum;
|
||
|
||
if (len == 16)
|
||
{
|
||
gdb_assert (bitpos == 0);
|
||
gdb_assert ((element % 2) == 0);
|
||
|
||
regnum = SPARC64_Q0_REGNUM + element / 2;
|
||
regcache_cooked_write (regcache, regnum, valbuf);
|
||
}
|
||
else if (len == 8)
|
||
{
|
||
gdb_assert (bitpos == 0 || bitpos == 64);
|
||
|
||
regnum = SPARC64_D0_REGNUM + element + bitpos / 64;
|
||
regcache_cooked_write (regcache, regnum, valbuf + (bitpos / 8));
|
||
}
|
||
else
|
||
{
|
||
gdb_assert (len == 4);
|
||
gdb_assert (bitpos % 32 == 0 && bitpos >= 0 && bitpos < 128);
|
||
|
||
regnum = SPARC_F0_REGNUM + element * 2 + bitpos / 32;
|
||
regcache_cooked_write (regcache, regnum, valbuf + (bitpos / 8));
|
||
}
|
||
}
|
||
else if (sparc64_structure_or_union_p (type))
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < TYPE_NFIELDS (type); i++)
|
||
{
|
||
struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, i));
|
||
int subpos = bitpos + TYPE_FIELD_BITPOS (type, i);
|
||
|
||
sparc64_store_floating_fields (regcache, subtype, valbuf,
|
||
element, subpos);
|
||
}
|
||
|
||
/* GCC has an interesting bug. If TYPE is a structure that has
|
||
a single `float' member, GCC doesn't treat it as a structure
|
||
at all, but rather as an ordinary `float' argument. This
|
||
argument will be stored in %f1, as required by the psABI.
|
||
However, as a member of a structure the psABI requires it to
|
||
be stored in %f0. This bug is present in GCC 3.3.2, but
|
||
probably in older releases to. To appease GCC, if a
|
||
structure has only a single `float' member, we store its
|
||
value in %f1 too (we already have stored in %f0). */
|
||
if (TYPE_NFIELDS (type) == 1)
|
||
{
|
||
struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, 0));
|
||
|
||
if (sparc64_floating_p (subtype) && TYPE_LENGTH (subtype) == 4)
|
||
regcache_cooked_write (regcache, SPARC_F1_REGNUM, valbuf);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Fetch floating fields from a variable of type TYPE from the
|
||
appropriate registers for BITPOS in REGCACHE and store it at BITPOS
|
||
in VALBUF. This function can be called recursively and therefore
|
||
handles floating types in addition to structures. */
|
||
|
||
static void
|
||
sparc64_extract_floating_fields (struct regcache *regcache, struct type *type,
|
||
gdb_byte *valbuf, int bitpos)
|
||
{
|
||
if (sparc64_floating_p (type))
|
||
{
|
||
int len = TYPE_LENGTH (type);
|
||
int regnum;
|
||
|
||
if (len == 16)
|
||
{
|
||
gdb_assert (bitpos == 0 || bitpos == 128);
|
||
|
||
regnum = SPARC64_Q0_REGNUM + bitpos / 128;
|
||
regcache_cooked_read (regcache, regnum, valbuf + (bitpos / 8));
|
||
}
|
||
else if (len == 8)
|
||
{
|
||
gdb_assert (bitpos % 64 == 0 && bitpos >= 0 && bitpos < 256);
|
||
|
||
regnum = SPARC64_D0_REGNUM + bitpos / 64;
|
||
regcache_cooked_read (regcache, regnum, valbuf + (bitpos / 8));
|
||
}
|
||
else
|
||
{
|
||
gdb_assert (len == 4);
|
||
gdb_assert (bitpos % 32 == 0 && bitpos >= 0 && bitpos < 256);
|
||
|
||
regnum = SPARC_F0_REGNUM + bitpos / 32;
|
||
regcache_cooked_read (regcache, regnum, valbuf + (bitpos / 8));
|
||
}
|
||
}
|
||
else if (sparc64_structure_or_union_p (type))
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < TYPE_NFIELDS (type); i++)
|
||
{
|
||
struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, i));
|
||
int subpos = bitpos + TYPE_FIELD_BITPOS (type, i);
|
||
|
||
sparc64_extract_floating_fields (regcache, subtype, valbuf, subpos);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Store the NARGS arguments ARGS and STRUCT_ADDR (if STRUCT_RETURN is
|
||
non-zero) in REGCACHE and on the stack (starting from address SP). */
|
||
|
||
static CORE_ADDR
|
||
sparc64_store_arguments (struct regcache *regcache, int nargs,
|
||
struct value **args, CORE_ADDR sp,
|
||
int struct_return, CORE_ADDR struct_addr)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
/* Number of extended words in the "parameter array". */
|
||
int num_elements = 0;
|
||
int element = 0;
|
||
int i;
|
||
|
||
/* Take BIAS into account. */
|
||
sp += BIAS;
|
||
|
||
/* First we calculate the number of extended words in the "parameter
|
||
array". While doing so we also convert some of the arguments. */
|
||
|
||
if (struct_return)
|
||
num_elements++;
|
||
|
||
for (i = 0; i < nargs; i++)
|
||
{
|
||
struct type *type = value_type (args[i]);
|
||
int len = TYPE_LENGTH (type);
|
||
|
||
if (sparc64_structure_or_union_p (type))
|
||
{
|
||
/* Structure or Union arguments. */
|
||
if (len <= 16)
|
||
{
|
||
if (num_elements % 2 && sparc64_16_byte_align_p (type))
|
||
num_elements++;
|
||
num_elements += ((len + 7) / 8);
|
||
}
|
||
else
|
||
{
|
||
/* The psABI says that "Structures or unions larger than
|
||
sixteen bytes are copied by the caller and passed
|
||
indirectly; the caller will pass the address of a
|
||
correctly aligned structure value. This sixty-four
|
||
bit address will occupy one word in the parameter
|
||
array, and may be promoted to an %o register like any
|
||
other pointer value." Allocate memory for these
|
||
values on the stack. */
|
||
sp -= len;
|
||
|
||
/* Use 16-byte alignment for these values. That's
|
||
always correct, and wasting a few bytes shouldn't be
|
||
a problem. */
|
||
sp &= ~0xf;
|
||
|
||
write_memory (sp, value_contents (args[i]), len);
|
||
args[i] = value_from_pointer (lookup_pointer_type (type), sp);
|
||
num_elements++;
|
||
}
|
||
}
|
||
else if (sparc64_floating_p (type))
|
||
{
|
||
/* Floating arguments. */
|
||
|
||
if (len == 16)
|
||
{
|
||
/* The psABI says that "Each quad-precision parameter
|
||
value will be assigned to two extended words in the
|
||
parameter array. */
|
||
num_elements += 2;
|
||
|
||
/* The psABI says that "Long doubles must be
|
||
quad-aligned, and thus a hole might be introduced
|
||
into the parameter array to force alignment." Skip
|
||
an element if necessary. */
|
||
if (num_elements % 2)
|
||
num_elements++;
|
||
}
|
||
else
|
||
num_elements++;
|
||
}
|
||
else
|
||
{
|
||
/* Integral and pointer arguments. */
|
||
gdb_assert (sparc64_integral_or_pointer_p (type));
|
||
|
||
/* The psABI says that "Each argument value of integral type
|
||
smaller than an extended word will be widened by the
|
||
caller to an extended word according to the signed-ness
|
||
of the argument type." */
|
||
if (len < 8)
|
||
args[i] = value_cast (builtin_type (gdbarch)->builtin_int64,
|
||
args[i]);
|
||
num_elements++;
|
||
}
|
||
}
|
||
|
||
/* Allocate the "parameter array". */
|
||
sp -= num_elements * 8;
|
||
|
||
/* The psABI says that "Every stack frame must be 16-byte aligned." */
|
||
sp &= ~0xf;
|
||
|
||
/* Now we store the arguments in to the "paramater array". Some
|
||
Integer or Pointer arguments and Structure or Union arguments
|
||
will be passed in %o registers. Some Floating arguments and
|
||
floating members of structures are passed in floating-point
|
||
registers. However, for functions with variable arguments,
|
||
floating arguments are stored in an %0 register, and for
|
||
functions without a prototype floating arguments are stored in
|
||
both a floating-point and an %o registers, or a floating-point
|
||
register and memory. To simplify the logic here we always pass
|
||
arguments in memory, an %o register, and a floating-point
|
||
register if appropriate. This should be no problem since the
|
||
contents of any unused memory or registers in the "parameter
|
||
array" are undefined. */
|
||
|
||
if (struct_return)
|
||
{
|
||
regcache_cooked_write_unsigned (regcache, SPARC_O0_REGNUM, struct_addr);
|
||
element++;
|
||
}
|
||
|
||
for (i = 0; i < nargs; i++)
|
||
{
|
||
const gdb_byte *valbuf = value_contents (args[i]);
|
||
struct type *type = value_type (args[i]);
|
||
int len = TYPE_LENGTH (type);
|
||
int regnum = -1;
|
||
gdb_byte buf[16];
|
||
|
||
if (sparc64_structure_or_union_p (type))
|
||
{
|
||
/* Structure or Union arguments. */
|
||
gdb_assert (len <= 16);
|
||
memset (buf, 0, sizeof (buf));
|
||
valbuf = memcpy (buf, valbuf, len);
|
||
|
||
if (element % 2 && sparc64_16_byte_align_p (type))
|
||
element++;
|
||
|
||
if (element < 6)
|
||
{
|
||
regnum = SPARC_O0_REGNUM + element;
|
||
if (len > 8 && element < 5)
|
||
regcache_cooked_write (regcache, regnum + 1, valbuf + 8);
|
||
}
|
||
|
||
if (element < 16)
|
||
sparc64_store_floating_fields (regcache, type, valbuf, element, 0);
|
||
}
|
||
else if (sparc64_floating_p (type))
|
||
{
|
||
/* Floating arguments. */
|
||
if (len == 16)
|
||
{
|
||
if (element % 2)
|
||
element++;
|
||
if (element < 16)
|
||
regnum = SPARC64_Q0_REGNUM + element / 2;
|
||
}
|
||
else if (len == 8)
|
||
{
|
||
if (element < 16)
|
||
regnum = SPARC64_D0_REGNUM + element;
|
||
}
|
||
else
|
||
{
|
||
/* The psABI says "Each single-precision parameter value
|
||
will be assigned to one extended word in the
|
||
parameter array, and right-justified within that
|
||
word; the left half (even floatregister) is
|
||
undefined." Even though the psABI says that "the
|
||
left half is undefined", set it to zero here. */
|
||
memset (buf, 0, 4);
|
||
memcpy (buf + 4, valbuf, 4);
|
||
valbuf = buf;
|
||
len = 8;
|
||
if (element < 16)
|
||
regnum = SPARC64_D0_REGNUM + element;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Integral and pointer arguments. */
|
||
gdb_assert (len == 8);
|
||
if (element < 6)
|
||
regnum = SPARC_O0_REGNUM + element;
|
||
}
|
||
|
||
if (regnum != -1)
|
||
{
|
||
regcache_cooked_write (regcache, regnum, valbuf);
|
||
|
||
/* If we're storing the value in a floating-point register,
|
||
also store it in the corresponding %0 register(s). */
|
||
if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D10_REGNUM)
|
||
{
|
||
gdb_assert (element < 6);
|
||
regnum = SPARC_O0_REGNUM + element;
|
||
regcache_cooked_write (regcache, regnum, valbuf);
|
||
}
|
||
else if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q8_REGNUM)
|
||
{
|
||
gdb_assert (element < 6);
|
||
regnum = SPARC_O0_REGNUM + element;
|
||
regcache_cooked_write (regcache, regnum, valbuf);
|
||
regcache_cooked_write (regcache, regnum + 1, valbuf + 8);
|
||
}
|
||
}
|
||
|
||
/* Always store the argument in memory. */
|
||
write_memory (sp + element * 8, valbuf, len);
|
||
element += ((len + 7) / 8);
|
||
}
|
||
|
||
gdb_assert (element == num_elements);
|
||
|
||
/* Take BIAS into account. */
|
||
sp -= BIAS;
|
||
return sp;
|
||
}
|
||
|
||
static CORE_ADDR
|
||
sparc64_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
|
||
struct regcache *regcache, CORE_ADDR bp_addr,
|
||
int nargs, struct value **args, CORE_ADDR sp,
|
||
int struct_return, CORE_ADDR struct_addr)
|
||
{
|
||
/* Set return address. */
|
||
regcache_cooked_write_unsigned (regcache, SPARC_O7_REGNUM, bp_addr - 8);
|
||
|
||
/* Set up function arguments. */
|
||
sp = sparc64_store_arguments (regcache, nargs, args, sp,
|
||
struct_return, struct_addr);
|
||
|
||
/* Allocate the register save area. */
|
||
sp -= 16 * 8;
|
||
|
||
/* Stack should be 16-byte aligned at this point. */
|
||
gdb_assert ((sp + BIAS) % 16 == 0);
|
||
|
||
/* Finally, update the stack pointer. */
|
||
regcache_cooked_write_unsigned (regcache, SPARC_SP_REGNUM, sp);
|
||
|
||
return sp + BIAS;
|
||
}
|
||
|
||
|
||
/* Extract from an array REGBUF containing the (raw) register state, a
|
||
function return value of TYPE, and copy that into VALBUF. */
|
||
|
||
static void
|
||
sparc64_extract_return_value (struct type *type, struct regcache *regcache,
|
||
gdb_byte *valbuf)
|
||
{
|
||
int len = TYPE_LENGTH (type);
|
||
gdb_byte buf[32];
|
||
int i;
|
||
|
||
if (sparc64_structure_or_union_p (type))
|
||
{
|
||
/* Structure or Union return values. */
|
||
gdb_assert (len <= 32);
|
||
|
||
for (i = 0; i < ((len + 7) / 8); i++)
|
||
regcache_cooked_read (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
|
||
if (TYPE_CODE (type) != TYPE_CODE_UNION)
|
||
sparc64_extract_floating_fields (regcache, type, buf, 0);
|
||
memcpy (valbuf, buf, len);
|
||
}
|
||
else if (sparc64_floating_p (type))
|
||
{
|
||
/* Floating return values. */
|
||
for (i = 0; i < len / 4; i++)
|
||
regcache_cooked_read (regcache, SPARC_F0_REGNUM + i, buf + i * 4);
|
||
memcpy (valbuf, buf, len);
|
||
}
|
||
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
|
||
{
|
||
/* Small arrays are returned the same way as small structures. */
|
||
gdb_assert (len <= 32);
|
||
|
||
for (i = 0; i < ((len + 7) / 8); i++)
|
||
regcache_cooked_read (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
|
||
memcpy (valbuf, buf, len);
|
||
}
|
||
else
|
||
{
|
||
/* Integral and pointer return values. */
|
||
gdb_assert (sparc64_integral_or_pointer_p (type));
|
||
|
||
/* Just stripping off any unused bytes should preserve the
|
||
signed-ness just fine. */
|
||
regcache_cooked_read (regcache, SPARC_O0_REGNUM, buf);
|
||
memcpy (valbuf, buf + 8 - len, len);
|
||
}
|
||
}
|
||
|
||
/* Write into the appropriate registers a function return value stored
|
||
in VALBUF of type TYPE. */
|
||
|
||
static void
|
||
sparc64_store_return_value (struct type *type, struct regcache *regcache,
|
||
const gdb_byte *valbuf)
|
||
{
|
||
int len = TYPE_LENGTH (type);
|
||
gdb_byte buf[16];
|
||
int i;
|
||
|
||
if (sparc64_structure_or_union_p (type))
|
||
{
|
||
/* Structure or Union return values. */
|
||
gdb_assert (len <= 32);
|
||
|
||
/* Simplify matters by storing the complete value (including
|
||
floating members) into %o0 and %o1. Floating members are
|
||
also store in the appropriate floating-point registers. */
|
||
memset (buf, 0, sizeof (buf));
|
||
memcpy (buf, valbuf, len);
|
||
for (i = 0; i < ((len + 7) / 8); i++)
|
||
regcache_cooked_write (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
|
||
if (TYPE_CODE (type) != TYPE_CODE_UNION)
|
||
sparc64_store_floating_fields (regcache, type, buf, 0, 0);
|
||
}
|
||
else if (sparc64_floating_p (type))
|
||
{
|
||
/* Floating return values. */
|
||
memcpy (buf, valbuf, len);
|
||
for (i = 0; i < len / 4; i++)
|
||
regcache_cooked_write (regcache, SPARC_F0_REGNUM + i, buf + i * 4);
|
||
}
|
||
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
|
||
{
|
||
/* Small arrays are returned the same way as small structures. */
|
||
gdb_assert (len <= 32);
|
||
|
||
memset (buf, 0, sizeof (buf));
|
||
memcpy (buf, valbuf, len);
|
||
for (i = 0; i < ((len + 7) / 8); i++)
|
||
regcache_cooked_write (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
|
||
}
|
||
else
|
||
{
|
||
/* Integral and pointer return values. */
|
||
gdb_assert (sparc64_integral_or_pointer_p (type));
|
||
|
||
/* ??? Do we need to do any sign-extension here? */
|
||
memset (buf, 0, 8);
|
||
memcpy (buf + 8 - len, valbuf, len);
|
||
regcache_cooked_write (regcache, SPARC_O0_REGNUM, buf);
|
||
}
|
||
}
|
||
|
||
static enum return_value_convention
|
||
sparc64_return_value (struct gdbarch *gdbarch, struct type *func_type,
|
||
struct type *type, struct regcache *regcache,
|
||
gdb_byte *readbuf, const gdb_byte *writebuf)
|
||
{
|
||
if (TYPE_LENGTH (type) > 32)
|
||
return RETURN_VALUE_STRUCT_CONVENTION;
|
||
|
||
if (readbuf)
|
||
sparc64_extract_return_value (type, regcache, readbuf);
|
||
if (writebuf)
|
||
sparc64_store_return_value (type, regcache, writebuf);
|
||
|
||
return RETURN_VALUE_REGISTER_CONVENTION;
|
||
}
|
||
|
||
|
||
static void
|
||
sparc64_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
|
||
struct dwarf2_frame_state_reg *reg,
|
||
struct frame_info *this_frame)
|
||
{
|
||
switch (regnum)
|
||
{
|
||
case SPARC_G0_REGNUM:
|
||
/* Since %g0 is always zero, there is no point in saving it, and
|
||
people will be inclined omit it from the CFI. Make sure we
|
||
don't warn about that. */
|
||
reg->how = DWARF2_FRAME_REG_SAME_VALUE;
|
||
break;
|
||
case SPARC_SP_REGNUM:
|
||
reg->how = DWARF2_FRAME_REG_CFA;
|
||
break;
|
||
case SPARC64_PC_REGNUM:
|
||
reg->how = DWARF2_FRAME_REG_RA_OFFSET;
|
||
reg->loc.offset = 8;
|
||
break;
|
||
case SPARC64_NPC_REGNUM:
|
||
reg->how = DWARF2_FRAME_REG_RA_OFFSET;
|
||
reg->loc.offset = 12;
|
||
break;
|
||
}
|
||
}
|
||
|
||
void
|
||
sparc64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||
{
|
||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||
|
||
tdep->pc_regnum = SPARC64_PC_REGNUM;
|
||
tdep->npc_regnum = SPARC64_NPC_REGNUM;
|
||
|
||
/* This is what all the fuss is about. */
|
||
set_gdbarch_long_bit (gdbarch, 64);
|
||
set_gdbarch_long_long_bit (gdbarch, 64);
|
||
set_gdbarch_ptr_bit (gdbarch, 64);
|
||
|
||
set_gdbarch_num_regs (gdbarch, SPARC64_NUM_REGS);
|
||
set_gdbarch_register_name (gdbarch, sparc64_register_name);
|
||
set_gdbarch_register_type (gdbarch, sparc64_register_type);
|
||
set_gdbarch_num_pseudo_regs (gdbarch, SPARC64_NUM_PSEUDO_REGS);
|
||
set_gdbarch_pseudo_register_read (gdbarch, sparc64_pseudo_register_read);
|
||
set_gdbarch_pseudo_register_write (gdbarch, sparc64_pseudo_register_write);
|
||
|
||
/* Register numbers of various important registers. */
|
||
set_gdbarch_pc_regnum (gdbarch, SPARC64_PC_REGNUM); /* %pc */
|
||
|
||
/* Call dummy code. */
|
||
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
|
||
set_gdbarch_push_dummy_code (gdbarch, NULL);
|
||
set_gdbarch_push_dummy_call (gdbarch, sparc64_push_dummy_call);
|
||
|
||
set_gdbarch_return_value (gdbarch, sparc64_return_value);
|
||
set_gdbarch_stabs_argument_has_addr
|
||
(gdbarch, default_stabs_argument_has_addr);
|
||
|
||
set_gdbarch_skip_prologue (gdbarch, sparc64_skip_prologue);
|
||
|
||
/* Hook in the DWARF CFI frame unwinder. */
|
||
dwarf2_frame_set_init_reg (gdbarch, sparc64_dwarf2_frame_init_reg);
|
||
/* FIXME: kettenis/20050423: Don't enable the unwinder until the
|
||
StackGhost issues have been resolved. */
|
||
|
||
frame_unwind_append_unwinder (gdbarch, &sparc64_frame_unwind);
|
||
frame_base_set_default (gdbarch, &sparc64_frame_base);
|
||
}
|
||
|
||
|
||
/* Helper functions for dealing with register sets. */
|
||
|
||
#define TSTATE_CWP 0x000000000000001fULL
|
||
#define TSTATE_ICC 0x0000000f00000000ULL
|
||
#define TSTATE_XCC 0x000000f000000000ULL
|
||
|
||
#define PSR_S 0x00000080
|
||
#define PSR_ICC 0x00f00000
|
||
#define PSR_VERS 0x0f000000
|
||
#define PSR_IMPL 0xf0000000
|
||
#define PSR_V8PLUS 0xff000000
|
||
#define PSR_XCC 0x000f0000
|
||
|
||
void
|
||
sparc64_supply_gregset (const struct sparc_gregset *gregset,
|
||
struct regcache *regcache,
|
||
int regnum, const void *gregs)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||
int sparc32 = (gdbarch_ptr_bit (gdbarch) == 32);
|
||
const gdb_byte *regs = gregs;
|
||
int i;
|
||
|
||
if (sparc32)
|
||
{
|
||
if (regnum == SPARC32_PSR_REGNUM || regnum == -1)
|
||
{
|
||
int offset = gregset->r_tstate_offset;
|
||
ULONGEST tstate, psr;
|
||
gdb_byte buf[4];
|
||
|
||
tstate = extract_unsigned_integer (regs + offset, 8, byte_order);
|
||
psr = ((tstate & TSTATE_CWP) | PSR_S | ((tstate & TSTATE_ICC) >> 12)
|
||
| ((tstate & TSTATE_XCC) >> 20) | PSR_V8PLUS);
|
||
store_unsigned_integer (buf, 4, byte_order, psr);
|
||
regcache_raw_supply (regcache, SPARC32_PSR_REGNUM, buf);
|
||
}
|
||
|
||
if (regnum == SPARC32_PC_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC32_PC_REGNUM,
|
||
regs + gregset->r_pc_offset + 4);
|
||
|
||
if (regnum == SPARC32_NPC_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC32_NPC_REGNUM,
|
||
regs + gregset->r_npc_offset + 4);
|
||
|
||
if (regnum == SPARC32_Y_REGNUM || regnum == -1)
|
||
{
|
||
int offset = gregset->r_y_offset + 8 - gregset->r_y_size;
|
||
regcache_raw_supply (regcache, SPARC32_Y_REGNUM, regs + offset);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (regnum == SPARC64_STATE_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC64_STATE_REGNUM,
|
||
regs + gregset->r_tstate_offset);
|
||
|
||
if (regnum == SPARC64_PC_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC64_PC_REGNUM,
|
||
regs + gregset->r_pc_offset);
|
||
|
||
if (regnum == SPARC64_NPC_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC64_NPC_REGNUM,
|
||
regs + gregset->r_npc_offset);
|
||
|
||
if (regnum == SPARC64_Y_REGNUM || regnum == -1)
|
||
{
|
||
gdb_byte buf[8];
|
||
|
||
memset (buf, 0, 8);
|
||
memcpy (buf + 8 - gregset->r_y_size,
|
||
regs + gregset->r_y_offset, gregset->r_y_size);
|
||
regcache_raw_supply (regcache, SPARC64_Y_REGNUM, buf);
|
||
}
|
||
|
||
if ((regnum == SPARC64_FPRS_REGNUM || regnum == -1)
|
||
&& gregset->r_fprs_offset != -1)
|
||
regcache_raw_supply (regcache, SPARC64_FPRS_REGNUM,
|
||
regs + gregset->r_fprs_offset);
|
||
}
|
||
|
||
if (regnum == SPARC_G0_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC_G0_REGNUM, NULL);
|
||
|
||
if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_O7_REGNUM) || regnum == -1)
|
||
{
|
||
int offset = gregset->r_g1_offset;
|
||
|
||
if (sparc32)
|
||
offset += 4;
|
||
|
||
for (i = SPARC_G1_REGNUM; i <= SPARC_O7_REGNUM; i++)
|
||
{
|
||
if (regnum == i || regnum == -1)
|
||
regcache_raw_supply (regcache, i, regs + offset);
|
||
offset += 8;
|
||
}
|
||
}
|
||
|
||
if ((regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM) || regnum == -1)
|
||
{
|
||
/* Not all of the register set variants include Locals and
|
||
Inputs. For those that don't, we read them off the stack. */
|
||
if (gregset->r_l0_offset == -1)
|
||
{
|
||
ULONGEST sp;
|
||
|
||
regcache_cooked_read_unsigned (regcache, SPARC_SP_REGNUM, &sp);
|
||
sparc_supply_rwindow (regcache, sp, regnum);
|
||
}
|
||
else
|
||
{
|
||
int offset = gregset->r_l0_offset;
|
||
|
||
if (sparc32)
|
||
offset += 4;
|
||
|
||
for (i = SPARC_L0_REGNUM; i <= SPARC_I7_REGNUM; i++)
|
||
{
|
||
if (regnum == i || regnum == -1)
|
||
regcache_raw_supply (regcache, i, regs + offset);
|
||
offset += 8;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
sparc64_collect_gregset (const struct sparc_gregset *gregset,
|
||
const struct regcache *regcache,
|
||
int regnum, void *gregs)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||
int sparc32 = (gdbarch_ptr_bit (gdbarch) == 32);
|
||
gdb_byte *regs = gregs;
|
||
int i;
|
||
|
||
if (sparc32)
|
||
{
|
||
if (regnum == SPARC32_PSR_REGNUM || regnum == -1)
|
||
{
|
||
int offset = gregset->r_tstate_offset;
|
||
ULONGEST tstate, psr;
|
||
gdb_byte buf[8];
|
||
|
||
tstate = extract_unsigned_integer (regs + offset, 8, byte_order);
|
||
regcache_raw_collect (regcache, SPARC32_PSR_REGNUM, buf);
|
||
psr = extract_unsigned_integer (buf, 4, byte_order);
|
||
tstate |= (psr & PSR_ICC) << 12;
|
||
if ((psr & (PSR_VERS | PSR_IMPL)) == PSR_V8PLUS)
|
||
tstate |= (psr & PSR_XCC) << 20;
|
||
store_unsigned_integer (buf, 8, byte_order, tstate);
|
||
memcpy (regs + offset, buf, 8);
|
||
}
|
||
|
||
if (regnum == SPARC32_PC_REGNUM || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC32_PC_REGNUM,
|
||
regs + gregset->r_pc_offset + 4);
|
||
|
||
if (regnum == SPARC32_NPC_REGNUM || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC32_NPC_REGNUM,
|
||
regs + gregset->r_npc_offset + 4);
|
||
|
||
if (regnum == SPARC32_Y_REGNUM || regnum == -1)
|
||
{
|
||
int offset = gregset->r_y_offset + 8 - gregset->r_y_size;
|
||
regcache_raw_collect (regcache, SPARC32_Y_REGNUM, regs + offset);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (regnum == SPARC64_STATE_REGNUM || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC64_STATE_REGNUM,
|
||
regs + gregset->r_tstate_offset);
|
||
|
||
if (regnum == SPARC64_PC_REGNUM || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC64_PC_REGNUM,
|
||
regs + gregset->r_pc_offset);
|
||
|
||
if (regnum == SPARC64_NPC_REGNUM || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC64_NPC_REGNUM,
|
||
regs + gregset->r_npc_offset);
|
||
|
||
if (regnum == SPARC64_Y_REGNUM || regnum == -1)
|
||
{
|
||
gdb_byte buf[8];
|
||
|
||
regcache_raw_collect (regcache, SPARC64_Y_REGNUM, buf);
|
||
memcpy (regs + gregset->r_y_offset,
|
||
buf + 8 - gregset->r_y_size, gregset->r_y_size);
|
||
}
|
||
|
||
if ((regnum == SPARC64_FPRS_REGNUM || regnum == -1)
|
||
&& gregset->r_fprs_offset != -1)
|
||
regcache_raw_collect (regcache, SPARC64_FPRS_REGNUM,
|
||
regs + gregset->r_fprs_offset);
|
||
|
||
}
|
||
|
||
if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_O7_REGNUM) || regnum == -1)
|
||
{
|
||
int offset = gregset->r_g1_offset;
|
||
|
||
if (sparc32)
|
||
offset += 4;
|
||
|
||
/* %g0 is always zero. */
|
||
for (i = SPARC_G1_REGNUM; i <= SPARC_O7_REGNUM; i++)
|
||
{
|
||
if (regnum == i || regnum == -1)
|
||
regcache_raw_collect (regcache, i, regs + offset);
|
||
offset += 8;
|
||
}
|
||
}
|
||
|
||
if ((regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM) || regnum == -1)
|
||
{
|
||
/* Not all of the register set variants include Locals and
|
||
Inputs. For those that don't, we read them off the stack. */
|
||
if (gregset->r_l0_offset != -1)
|
||
{
|
||
int offset = gregset->r_l0_offset;
|
||
|
||
if (sparc32)
|
||
offset += 4;
|
||
|
||
for (i = SPARC_L0_REGNUM; i <= SPARC_I7_REGNUM; i++)
|
||
{
|
||
if (regnum == i || regnum == -1)
|
||
regcache_raw_collect (regcache, i, regs + offset);
|
||
offset += 8;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
sparc64_supply_fpregset (struct regcache *regcache,
|
||
int regnum, const void *fpregs)
|
||
{
|
||
int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
|
||
const gdb_byte *regs = fpregs;
|
||
int i;
|
||
|
||
for (i = 0; i < 32; i++)
|
||
{
|
||
if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC_F0_REGNUM + i, regs + (i * 4));
|
||
}
|
||
|
||
if (sparc32)
|
||
{
|
||
if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC32_FSR_REGNUM,
|
||
regs + (32 * 4) + (16 * 8) + 4);
|
||
}
|
||
else
|
||
{
|
||
for (i = 0; i < 16; i++)
|
||
{
|
||
if (regnum == (SPARC64_F32_REGNUM + i) || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC64_F32_REGNUM + i,
|
||
regs + (32 * 4) + (i * 8));
|
||
}
|
||
|
||
if (regnum == SPARC64_FSR_REGNUM || regnum == -1)
|
||
regcache_raw_supply (regcache, SPARC64_FSR_REGNUM,
|
||
regs + (32 * 4) + (16 * 8));
|
||
}
|
||
}
|
||
|
||
void
|
||
sparc64_collect_fpregset (const struct regcache *regcache,
|
||
int regnum, void *fpregs)
|
||
{
|
||
int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
|
||
gdb_byte *regs = fpregs;
|
||
int i;
|
||
|
||
for (i = 0; i < 32; i++)
|
||
{
|
||
if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC_F0_REGNUM + i, regs + (i * 4));
|
||
}
|
||
|
||
if (sparc32)
|
||
{
|
||
if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC32_FSR_REGNUM,
|
||
regs + (32 * 4) + (16 * 8) + 4);
|
||
}
|
||
else
|
||
{
|
||
for (i = 0; i < 16; i++)
|
||
{
|
||
if (regnum == (SPARC64_F32_REGNUM + i) || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC64_F32_REGNUM + i,
|
||
regs + (32 * 4) + (i * 8));
|
||
}
|
||
|
||
if (regnum == SPARC64_FSR_REGNUM || regnum == -1)
|
||
regcache_raw_collect (regcache, SPARC64_FSR_REGNUM,
|
||
regs + (32 * 4) + (16 * 8));
|
||
}
|
||
}
|
||
|