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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.
860 lines
26 KiB
C
860 lines
26 KiB
C
/* Target-dependent code for the Sanyo Xstormy16a (LC590000) processor.
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Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.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 "dwarf2-frame.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "gdbcmd.h"
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#include "gdbcore.h"
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#include "value.h"
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#include "dis-asm.h"
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#include "inferior.h"
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#include "gdb_string.h"
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#include "gdb_assert.h"
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#include "arch-utils.h"
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#include "floatformat.h"
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#include "regcache.h"
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#include "doublest.h"
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#include "osabi.h"
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#include "objfiles.h"
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enum gdb_regnum
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{
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/* Xstormy16 has 16 general purpose registers (R0-R15) plus PC.
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Functions will return their values in register R2-R7 as they fit.
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Otherwise a hidden pointer to an big enough area is given as argument
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to the function in r2. Further arguments are beginning in r3 then.
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R13 is used as frame pointer when GCC compiles w/o optimization
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R14 is used as "PSW", displaying the CPU status.
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R15 is used implicitely as stack pointer. */
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E_R0_REGNUM,
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E_R1_REGNUM,
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E_R2_REGNUM, E_1ST_ARG_REGNUM = E_R2_REGNUM, E_PTR_RET_REGNUM = E_R2_REGNUM,
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E_R3_REGNUM,
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E_R4_REGNUM,
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E_R5_REGNUM,
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E_R6_REGNUM,
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E_R7_REGNUM, E_LST_ARG_REGNUM = E_R7_REGNUM,
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E_R8_REGNUM,
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E_R9_REGNUM,
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E_R10_REGNUM,
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E_R11_REGNUM,
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E_R12_REGNUM,
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E_R13_REGNUM, E_FP_REGNUM = E_R13_REGNUM,
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E_R14_REGNUM, E_PSW_REGNUM = E_R14_REGNUM,
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E_R15_REGNUM, E_SP_REGNUM = E_R15_REGNUM,
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E_PC_REGNUM,
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E_NUM_REGS
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};
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/* Use an invalid address value as 'not available' marker. */
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enum { REG_UNAVAIL = (CORE_ADDR) -1 };
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struct xstormy16_frame_cache
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{
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/* Base address. */
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CORE_ADDR base;
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CORE_ADDR pc;
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LONGEST framesize;
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int uses_fp;
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CORE_ADDR saved_regs[E_NUM_REGS];
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CORE_ADDR saved_sp;
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};
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/* Size of instructions, registers, etc. */
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enum
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{
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xstormy16_inst_size = 2,
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xstormy16_reg_size = 2,
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xstormy16_pc_size = 4
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};
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/* Size of return datatype which fits into the remaining return registers. */
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#define E_MAX_RETTYPE_SIZE(regnum) ((E_LST_ARG_REGNUM - (regnum) + 1) \
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* xstormy16_reg_size)
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/* Size of return datatype which fits into all return registers. */
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enum
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{
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E_MAX_RETTYPE_SIZE_IN_REGS = E_MAX_RETTYPE_SIZE (E_R2_REGNUM)
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};
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/* Function: xstormy16_register_name
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Returns the name of the standard Xstormy16 register N. */
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static const char *
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xstormy16_register_name (struct gdbarch *gdbarch, int regnum)
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{
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static char *register_names[] = {
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"r8", "r9", "r10", "r11", "r12", "r13",
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"psw", "sp", "pc"
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};
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if (regnum < 0 || regnum >= E_NUM_REGS)
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internal_error (__FILE__, __LINE__,
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_("xstormy16_register_name: illegal register number %d"),
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regnum);
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else
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return register_names[regnum];
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}
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static struct type *
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xstormy16_register_type (struct gdbarch *gdbarch, int regnum)
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{
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if (regnum == E_PC_REGNUM)
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return builtin_type (gdbarch)->builtin_uint32;
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else
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return builtin_type (gdbarch)->builtin_uint16;
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}
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/* Function: xstormy16_type_is_scalar
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Makes the decision if a given type is a scalar types. Scalar
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types are returned in the registers r2-r7 as they fit. */
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static int
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xstormy16_type_is_scalar (struct type *t)
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{
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return (TYPE_CODE(t) != TYPE_CODE_STRUCT
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&& TYPE_CODE(t) != TYPE_CODE_UNION
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&& TYPE_CODE(t) != TYPE_CODE_ARRAY);
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}
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/* Function: xstormy16_use_struct_convention
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Returns non-zero if the given struct type will be returned using
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a special convention, rather than the normal function return method.
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7sed in the contexts of the "return" command, and of
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target function calls from the debugger. */
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static int
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xstormy16_use_struct_convention (struct type *type)
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{
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return !xstormy16_type_is_scalar (type)
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|| TYPE_LENGTH (type) > E_MAX_RETTYPE_SIZE_IN_REGS;
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}
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/* Function: xstormy16_extract_return_value
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Find a function's return value in the appropriate registers (in
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regbuf), and copy it into valbuf. */
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static void
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xstormy16_extract_return_value (struct type *type, struct regcache *regcache,
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void *valbuf)
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{
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int len = TYPE_LENGTH (type);
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int i, regnum = E_1ST_ARG_REGNUM;
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for (i = 0; i < len; i += xstormy16_reg_size)
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regcache_raw_read (regcache, regnum++, (char *) valbuf + i);
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}
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/* Function: xstormy16_store_return_value
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Copy the function return value from VALBUF into the
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proper location for a function return.
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Called only in the context of the "return" command. */
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static void
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xstormy16_store_return_value (struct type *type, struct regcache *regcache,
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const void *valbuf)
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{
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if (TYPE_LENGTH (type) == 1)
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{
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/* Add leading zeros to the value. */
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char buf[xstormy16_reg_size];
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memset (buf, 0, xstormy16_reg_size);
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memcpy (buf, valbuf, 1);
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regcache_raw_write (regcache, E_1ST_ARG_REGNUM, buf);
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}
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else
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{
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int len = TYPE_LENGTH (type);
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int i, regnum = E_1ST_ARG_REGNUM;
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for (i = 0; i < len; i += xstormy16_reg_size)
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regcache_raw_write (regcache, regnum++, (char *) valbuf + i);
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}
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}
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static enum return_value_convention
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xstormy16_return_value (struct gdbarch *gdbarch, struct type *func_type,
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struct type *type, struct regcache *regcache,
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gdb_byte *readbuf, const gdb_byte *writebuf)
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{
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if (xstormy16_use_struct_convention (type))
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return RETURN_VALUE_STRUCT_CONVENTION;
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if (writebuf)
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xstormy16_store_return_value (type, regcache, writebuf);
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else if (readbuf)
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xstormy16_extract_return_value (type, regcache, readbuf);
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return RETURN_VALUE_REGISTER_CONVENTION;
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}
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static CORE_ADDR
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xstormy16_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
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{
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if (addr & 1)
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++addr;
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return addr;
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}
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/* Function: xstormy16_push_dummy_call
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Setup the function arguments for GDB to call a function in the inferior.
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Called only in the context of a target function call from the debugger.
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Returns the value of the SP register after the args are pushed. */
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static CORE_ADDR
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xstormy16_push_dummy_call (struct gdbarch *gdbarch,
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struct value *function,
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struct regcache *regcache,
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CORE_ADDR bp_addr, int nargs,
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struct value **args,
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CORE_ADDR sp, int struct_return,
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CORE_ADDR struct_addr)
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{
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enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
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CORE_ADDR stack_dest = sp;
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int argreg = E_1ST_ARG_REGNUM;
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int i, j;
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int typelen, slacklen;
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const gdb_byte *val;
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char buf[xstormy16_pc_size];
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/* If struct_return is true, then the struct return address will
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consume one argument-passing register. */
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if (struct_return)
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{
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regcache_cooked_write_unsigned (regcache, E_PTR_RET_REGNUM, struct_addr);
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argreg++;
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}
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/* Arguments are passed in R2-R7 as they fit. If an argument doesn't
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fit in the remaining registers we're switching over to the stack.
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No argument is put on stack partially and as soon as we switched
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over to stack no further argument is put in a register even if it
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would fit in the remaining unused registers. */
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for (i = 0; i < nargs && argreg <= E_LST_ARG_REGNUM; i++)
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{
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typelen = TYPE_LENGTH (value_enclosing_type (args[i]));
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if (typelen > E_MAX_RETTYPE_SIZE (argreg))
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break;
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/* Put argument into registers wordwise. */
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val = value_contents (args[i]);
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for (j = 0; j < typelen; j += xstormy16_reg_size)
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regcache_cooked_write_unsigned (regcache, argreg++,
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extract_unsigned_integer (val + j,
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typelen - j ==
|
|
1 ? 1 :
|
|
xstormy16_reg_size,
|
|
byte_order));
|
|
}
|
|
|
|
/* Align SP */
|
|
stack_dest = xstormy16_frame_align (gdbarch, stack_dest);
|
|
|
|
/* Loop backwards through remaining arguments and push them on the stack,
|
|
wordaligned. */
|
|
for (j = nargs - 1; j >= i; j--)
|
|
{
|
|
char *val;
|
|
|
|
typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
|
|
slacklen = typelen & 1;
|
|
val = alloca (typelen + slacklen);
|
|
memcpy (val, value_contents (args[j]), typelen);
|
|
memset (val + typelen, 0, slacklen);
|
|
|
|
/* Now write this data to the stack. The stack grows upwards. */
|
|
write_memory (stack_dest, val, typelen + slacklen);
|
|
stack_dest += typelen + slacklen;
|
|
}
|
|
|
|
store_unsigned_integer (buf, xstormy16_pc_size, byte_order, bp_addr);
|
|
write_memory (stack_dest, buf, xstormy16_pc_size);
|
|
stack_dest += xstormy16_pc_size;
|
|
|
|
/* Update stack pointer. */
|
|
regcache_cooked_write_unsigned (regcache, E_SP_REGNUM, stack_dest);
|
|
|
|
/* Return the new stack pointer minus the return address slot since
|
|
that's what DWARF2/GCC uses as the frame's CFA. */
|
|
return stack_dest - xstormy16_pc_size;
|
|
}
|
|
|
|
/* Function: xstormy16_scan_prologue
|
|
Decode the instructions within the given address range.
|
|
Decide when we must have reached the end of the function prologue.
|
|
If a frame_info pointer is provided, fill in its saved_regs etc.
|
|
|
|
Returns the address of the first instruction after the prologue. */
|
|
|
|
static CORE_ADDR
|
|
xstormy16_analyze_prologue (struct gdbarch *gdbarch,
|
|
CORE_ADDR start_addr, CORE_ADDR end_addr,
|
|
struct xstormy16_frame_cache *cache,
|
|
struct frame_info *this_frame)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
CORE_ADDR next_addr;
|
|
ULONGEST inst, inst2;
|
|
LONGEST offset;
|
|
int regnum;
|
|
|
|
/* Initialize framesize with size of PC put on stack by CALLF inst. */
|
|
cache->saved_regs[E_PC_REGNUM] = 0;
|
|
cache->framesize = xstormy16_pc_size;
|
|
|
|
if (start_addr >= end_addr)
|
|
return end_addr;
|
|
|
|
for (next_addr = start_addr;
|
|
next_addr < end_addr; next_addr += xstormy16_inst_size)
|
|
{
|
|
inst = read_memory_unsigned_integer (next_addr,
|
|
xstormy16_inst_size, byte_order);
|
|
inst2 = read_memory_unsigned_integer (next_addr + xstormy16_inst_size,
|
|
xstormy16_inst_size, byte_order);
|
|
|
|
if (inst >= 0x0082 && inst <= 0x008d) /* push r2 .. push r13 */
|
|
{
|
|
regnum = inst & 0x000f;
|
|
cache->saved_regs[regnum] = cache->framesize;
|
|
cache->framesize += xstormy16_reg_size;
|
|
}
|
|
|
|
/* optional stack allocation for args and local vars <= 4 byte */
|
|
else if (inst == 0x301f || inst == 0x303f) /* inc r15, #0x1/#0x3 */
|
|
{
|
|
cache->framesize += ((inst & 0x0030) >> 4) + 1;
|
|
}
|
|
|
|
/* optional stack allocation for args and local vars > 4 && < 16 byte */
|
|
else if ((inst & 0xff0f) == 0x510f) /* 51Hf add r15, #0xH */
|
|
{
|
|
cache->framesize += (inst & 0x00f0) >> 4;
|
|
}
|
|
|
|
/* optional stack allocation for args and local vars >= 16 byte */
|
|
else if (inst == 0x314f && inst2 >= 0x0010) /* 314f HHHH add r15, #0xH */
|
|
{
|
|
cache->framesize += inst2;
|
|
next_addr += xstormy16_inst_size;
|
|
}
|
|
|
|
else if (inst == 0x46fd) /* mov r13, r15 */
|
|
{
|
|
cache->uses_fp = 1;
|
|
}
|
|
|
|
/* optional copying of args in r2-r7 to r10-r13 */
|
|
/* Probably only in optimized case but legal action for prologue */
|
|
else if ((inst & 0xff00) == 0x4600 /* 46SD mov rD, rS */
|
|
&& (inst & 0x00f0) >= 0x0020 && (inst & 0x00f0) <= 0x0070
|
|
&& (inst & 0x000f) >= 0x00a0 && (inst & 0x000f) <= 0x000d)
|
|
;
|
|
|
|
/* optional copying of args in r2-r7 to stack */
|
|
/* 72DS HHHH mov.b (rD, 0xHHHH), r(S-8) (bit3 always 1, bit2-0 = reg) */
|
|
/* 73DS HHHH mov.w (rD, 0xHHHH), r(S-8) */
|
|
else if ((inst & 0xfed8) == 0x72d8 && (inst & 0x0007) >= 2)
|
|
{
|
|
regnum = inst & 0x0007;
|
|
/* Only 12 of 16 bits of the argument are used for the
|
|
signed offset. */
|
|
offset = (LONGEST) (inst2 & 0x0fff);
|
|
if (offset & 0x0800)
|
|
offset -= 0x1000;
|
|
|
|
cache->saved_regs[regnum] = cache->framesize + offset;
|
|
next_addr += xstormy16_inst_size;
|
|
}
|
|
|
|
else /* Not a prologue instruction. */
|
|
break;
|
|
}
|
|
|
|
return next_addr;
|
|
}
|
|
|
|
/* Function: xstormy16_skip_prologue
|
|
If the input address is in a function prologue,
|
|
returns the address of the end of the prologue;
|
|
else returns the input address.
|
|
|
|
Note: the input address is likely to be the function start,
|
|
since this function is mainly used for advancing a breakpoint
|
|
to the first line, or stepping to the first line when we have
|
|
stepped into a function call. */
|
|
|
|
static CORE_ADDR
|
|
xstormy16_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
|
|
{
|
|
CORE_ADDR func_addr = 0, func_end = 0;
|
|
char *func_name;
|
|
|
|
if (find_pc_partial_function (pc, &func_name, &func_addr, &func_end))
|
|
{
|
|
struct symtab_and_line sal;
|
|
struct symbol *sym;
|
|
struct xstormy16_frame_cache cache;
|
|
CORE_ADDR plg_end;
|
|
|
|
memset (&cache, 0, sizeof cache);
|
|
|
|
/* Don't trust line number debug info in frameless functions. */
|
|
plg_end = xstormy16_analyze_prologue (gdbarch, func_addr, func_end,
|
|
&cache, NULL);
|
|
if (!cache.uses_fp)
|
|
return plg_end;
|
|
|
|
/* Found a function. */
|
|
sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL);
|
|
/* Don't use line number debug info for assembly source files. */
|
|
if (sym && SYMBOL_LANGUAGE (sym) != language_asm)
|
|
{
|
|
sal = find_pc_line (func_addr, 0);
|
|
if (sal.end && sal.end < func_end)
|
|
{
|
|
/* Found a line number, use it as end of prologue. */
|
|
return sal.end;
|
|
}
|
|
}
|
|
/* No useable line symbol. Use result of prologue parsing method. */
|
|
return plg_end;
|
|
}
|
|
|
|
/* No function symbol -- just return the PC. */
|
|
|
|
return (CORE_ADDR) pc;
|
|
}
|
|
|
|
/* The epilogue is defined here as the area at the end of a function,
|
|
either on the `ret' instruction itself or after an instruction which
|
|
destroys the function's stack frame. */
|
|
static int
|
|
xstormy16_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
CORE_ADDR func_addr = 0, func_end = 0;
|
|
|
|
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
|
|
{
|
|
ULONGEST inst, inst2;
|
|
CORE_ADDR addr = func_end - xstormy16_inst_size;
|
|
|
|
/* The Xstormy16 epilogue is max. 14 bytes long. */
|
|
if (pc < func_end - 7 * xstormy16_inst_size)
|
|
return 0;
|
|
|
|
/* Check if we're on a `ret' instruction. Otherwise it's
|
|
too dangerous to proceed. */
|
|
inst = read_memory_unsigned_integer (addr,
|
|
xstormy16_inst_size, byte_order);
|
|
if (inst != 0x0003)
|
|
return 0;
|
|
|
|
while ((addr -= xstormy16_inst_size) >= func_addr)
|
|
{
|
|
inst = read_memory_unsigned_integer (addr,
|
|
xstormy16_inst_size, byte_order);
|
|
if (inst >= 0x009a && inst <= 0x009d) /* pop r10...r13 */
|
|
continue;
|
|
if (inst == 0x305f || inst == 0x307f) /* dec r15, #0x1/#0x3 */
|
|
break;
|
|
inst2 = read_memory_unsigned_integer (addr - xstormy16_inst_size,
|
|
xstormy16_inst_size, byte_order);
|
|
if (inst2 == 0x314f && inst >= 0x8000) /* add r15, neg. value */
|
|
{
|
|
addr -= xstormy16_inst_size;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
if (pc > addr)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
const static unsigned char *
|
|
xstormy16_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
|
|
int *lenptr)
|
|
{
|
|
static unsigned char breakpoint[] = { 0x06, 0x0 };
|
|
*lenptr = sizeof (breakpoint);
|
|
return breakpoint;
|
|
}
|
|
|
|
/* Given a pointer to a jump table entry, return the address
|
|
of the function it jumps to. Return 0 if not found. */
|
|
static CORE_ADDR
|
|
xstormy16_resolve_jmp_table_entry (struct gdbarch *gdbarch, CORE_ADDR faddr)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
struct obj_section *faddr_sect = find_pc_section (faddr);
|
|
|
|
if (faddr_sect)
|
|
{
|
|
LONGEST inst, inst2, addr;
|
|
char buf[2 * xstormy16_inst_size];
|
|
|
|
/* Return faddr if it's not pointing into the jump table. */
|
|
if (strcmp (faddr_sect->the_bfd_section->name, ".plt"))
|
|
return faddr;
|
|
|
|
if (!target_read_memory (faddr, buf, sizeof buf))
|
|
{
|
|
inst = extract_unsigned_integer (buf,
|
|
xstormy16_inst_size, byte_order);
|
|
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
|
|
xstormy16_inst_size, byte_order);
|
|
addr = inst2 << 8 | (inst & 0xff);
|
|
return addr;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Given a function's address, attempt to find (and return) the
|
|
address of the corresponding jump table entry. Return 0 if
|
|
not found. */
|
|
static CORE_ADDR
|
|
xstormy16_find_jmp_table_entry (struct gdbarch *gdbarch, CORE_ADDR faddr)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
struct obj_section *faddr_sect = find_pc_section (faddr);
|
|
|
|
if (faddr_sect)
|
|
{
|
|
struct obj_section *osect;
|
|
|
|
/* Return faddr if it's already a pointer to a jump table entry. */
|
|
if (!strcmp (faddr_sect->the_bfd_section->name, ".plt"))
|
|
return faddr;
|
|
|
|
ALL_OBJFILE_OSECTIONS (faddr_sect->objfile, osect)
|
|
{
|
|
if (!strcmp (osect->the_bfd_section->name, ".plt"))
|
|
break;
|
|
}
|
|
|
|
if (osect < faddr_sect->objfile->sections_end)
|
|
{
|
|
CORE_ADDR addr, endaddr;
|
|
|
|
addr = obj_section_addr (osect);
|
|
endaddr = obj_section_endaddr (osect);
|
|
|
|
for (; addr < endaddr; addr += 2 * xstormy16_inst_size)
|
|
{
|
|
LONGEST inst, inst2, faddr2;
|
|
char buf[2 * xstormy16_inst_size];
|
|
|
|
if (target_read_memory (addr, buf, sizeof buf))
|
|
return 0;
|
|
inst = extract_unsigned_integer (buf,
|
|
xstormy16_inst_size, byte_order);
|
|
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
|
|
xstormy16_inst_size, byte_order);
|
|
faddr2 = inst2 << 8 | (inst & 0xff);
|
|
if (faddr == faddr2)
|
|
return addr;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static CORE_ADDR
|
|
xstormy16_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
|
|
{
|
|
struct gdbarch *gdbarch = get_frame_arch (frame);
|
|
CORE_ADDR tmp = xstormy16_resolve_jmp_table_entry (gdbarch, pc);
|
|
|
|
if (tmp && tmp != pc)
|
|
return tmp;
|
|
return 0;
|
|
}
|
|
|
|
/* Function pointers are 16 bit. The address space is 24 bit, using
|
|
32 bit addresses. Pointers to functions on the XStormy16 are implemented
|
|
by using 16 bit pointers, which are either direct pointers in case the
|
|
function begins below 0x10000, or indirect pointers into a jump table.
|
|
The next two functions convert 16 bit pointers into 24 (32) bit addresses
|
|
and vice versa. */
|
|
|
|
static CORE_ADDR
|
|
xstormy16_pointer_to_address (struct gdbarch *gdbarch,
|
|
struct type *type, const gdb_byte *buf)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
|
|
CORE_ADDR addr
|
|
= extract_unsigned_integer (buf, TYPE_LENGTH (type), byte_order);
|
|
|
|
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
|
|
{
|
|
CORE_ADDR addr2 = xstormy16_resolve_jmp_table_entry (gdbarch, addr);
|
|
if (addr2)
|
|
addr = addr2;
|
|
}
|
|
|
|
return addr;
|
|
}
|
|
|
|
static void
|
|
xstormy16_address_to_pointer (struct gdbarch *gdbarch,
|
|
struct type *type, gdb_byte *buf, CORE_ADDR addr)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
|
|
|
|
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
|
|
{
|
|
CORE_ADDR addr2 = xstormy16_find_jmp_table_entry (gdbarch, addr);
|
|
if (addr2)
|
|
addr = addr2;
|
|
}
|
|
store_unsigned_integer (buf, TYPE_LENGTH (type), byte_order, addr);
|
|
}
|
|
|
|
static struct xstormy16_frame_cache *
|
|
xstormy16_alloc_frame_cache (void)
|
|
{
|
|
struct xstormy16_frame_cache *cache;
|
|
int i;
|
|
|
|
cache = FRAME_OBSTACK_ZALLOC (struct xstormy16_frame_cache);
|
|
|
|
cache->base = 0;
|
|
cache->saved_sp = 0;
|
|
cache->pc = 0;
|
|
cache->uses_fp = 0;
|
|
cache->framesize = 0;
|
|
for (i = 0; i < E_NUM_REGS; ++i)
|
|
cache->saved_regs[i] = REG_UNAVAIL;
|
|
|
|
return cache;
|
|
}
|
|
|
|
static struct xstormy16_frame_cache *
|
|
xstormy16_frame_cache (struct frame_info *this_frame, void **this_cache)
|
|
{
|
|
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
|
struct xstormy16_frame_cache *cache;
|
|
CORE_ADDR current_pc;
|
|
int i;
|
|
|
|
if (*this_cache)
|
|
return *this_cache;
|
|
|
|
cache = xstormy16_alloc_frame_cache ();
|
|
*this_cache = cache;
|
|
|
|
cache->base = get_frame_register_unsigned (this_frame, E_FP_REGNUM);
|
|
if (cache->base == 0)
|
|
return cache;
|
|
|
|
cache->pc = get_frame_func (this_frame);
|
|
current_pc = get_frame_pc (this_frame);
|
|
if (cache->pc)
|
|
xstormy16_analyze_prologue (gdbarch, cache->pc, current_pc,
|
|
cache, this_frame);
|
|
|
|
if (!cache->uses_fp)
|
|
cache->base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
|
|
|
|
cache->saved_sp = cache->base - cache->framesize;
|
|
|
|
for (i = 0; i < E_NUM_REGS; ++i)
|
|
if (cache->saved_regs[i] != REG_UNAVAIL)
|
|
cache->saved_regs[i] += cache->saved_sp;
|
|
|
|
return cache;
|
|
}
|
|
|
|
static struct value *
|
|
xstormy16_frame_prev_register (struct frame_info *this_frame,
|
|
void **this_cache, int regnum)
|
|
{
|
|
struct xstormy16_frame_cache *cache = xstormy16_frame_cache (this_frame,
|
|
this_cache);
|
|
gdb_assert (regnum >= 0);
|
|
|
|
if (regnum == E_SP_REGNUM && cache->saved_sp)
|
|
return frame_unwind_got_constant (this_frame, regnum, cache->saved_sp);
|
|
|
|
if (regnum < E_NUM_REGS && cache->saved_regs[regnum] != REG_UNAVAIL)
|
|
return frame_unwind_got_memory (this_frame, regnum,
|
|
cache->saved_regs[regnum]);
|
|
|
|
return frame_unwind_got_register (this_frame, regnum, regnum);
|
|
}
|
|
|
|
static void
|
|
xstormy16_frame_this_id (struct frame_info *this_frame, void **this_cache,
|
|
struct frame_id *this_id)
|
|
{
|
|
struct xstormy16_frame_cache *cache = xstormy16_frame_cache (this_frame,
|
|
this_cache);
|
|
|
|
/* This marks the outermost frame. */
|
|
if (cache->base == 0)
|
|
return;
|
|
|
|
*this_id = frame_id_build (cache->saved_sp, cache->pc);
|
|
}
|
|
|
|
static CORE_ADDR
|
|
xstormy16_frame_base_address (struct frame_info *this_frame, void **this_cache)
|
|
{
|
|
struct xstormy16_frame_cache *cache = xstormy16_frame_cache (this_frame,
|
|
this_cache);
|
|
return cache->base;
|
|
}
|
|
|
|
static const struct frame_unwind xstormy16_frame_unwind = {
|
|
NORMAL_FRAME,
|
|
xstormy16_frame_this_id,
|
|
xstormy16_frame_prev_register,
|
|
NULL,
|
|
default_frame_sniffer
|
|
};
|
|
|
|
static const struct frame_base xstormy16_frame_base = {
|
|
&xstormy16_frame_unwind,
|
|
xstormy16_frame_base_address,
|
|
xstormy16_frame_base_address,
|
|
xstormy16_frame_base_address
|
|
};
|
|
|
|
static CORE_ADDR
|
|
xstormy16_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
|
{
|
|
return frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
|
|
}
|
|
|
|
static CORE_ADDR
|
|
xstormy16_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
|
{
|
|
return frame_unwind_register_unsigned (next_frame, E_PC_REGNUM);
|
|
}
|
|
|
|
static struct frame_id
|
|
xstormy16_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
|
|
{
|
|
CORE_ADDR sp = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
|
|
return frame_id_build (sp, get_frame_pc (this_frame));
|
|
}
|
|
|
|
|
|
/* Function: xstormy16_gdbarch_init
|
|
Initializer function for the xstormy16 gdbarch vector.
|
|
Called by gdbarch. Sets up the gdbarch vector(s) for this target. */
|
|
|
|
static struct gdbarch *
|
|
xstormy16_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
|
{
|
|
struct gdbarch *gdbarch;
|
|
|
|
/* find a candidate among the list of pre-declared architectures. */
|
|
arches = gdbarch_list_lookup_by_info (arches, &info);
|
|
if (arches != NULL)
|
|
return (arches->gdbarch);
|
|
|
|
gdbarch = gdbarch_alloc (&info, NULL);
|
|
|
|
/*
|
|
* Basic register fields and methods, datatype sizes and stuff.
|
|
*/
|
|
|
|
set_gdbarch_num_regs (gdbarch, E_NUM_REGS);
|
|
set_gdbarch_num_pseudo_regs (gdbarch, 0);
|
|
set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM);
|
|
set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
|
|
set_gdbarch_register_name (gdbarch, xstormy16_register_name);
|
|
set_gdbarch_register_type (gdbarch, xstormy16_register_type);
|
|
|
|
set_gdbarch_char_signed (gdbarch, 0);
|
|
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
|
|
set_gdbarch_int_bit (gdbarch, 2 * TARGET_CHAR_BIT);
|
|
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
|
|
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
|
|
|
|
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
|
|
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
|
|
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
|
|
|
|
set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
|
|
set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
|
|
|
|
set_gdbarch_address_to_pointer (gdbarch, xstormy16_address_to_pointer);
|
|
set_gdbarch_pointer_to_address (gdbarch, xstormy16_pointer_to_address);
|
|
|
|
/* Stack grows up. */
|
|
set_gdbarch_inner_than (gdbarch, core_addr_greaterthan);
|
|
|
|
/*
|
|
* Frame Info
|
|
*/
|
|
set_gdbarch_unwind_sp (gdbarch, xstormy16_unwind_sp);
|
|
set_gdbarch_unwind_pc (gdbarch, xstormy16_unwind_pc);
|
|
set_gdbarch_dummy_id (gdbarch, xstormy16_dummy_id);
|
|
set_gdbarch_frame_align (gdbarch, xstormy16_frame_align);
|
|
frame_base_set_default (gdbarch, &xstormy16_frame_base);
|
|
|
|
set_gdbarch_skip_prologue (gdbarch, xstormy16_skip_prologue);
|
|
set_gdbarch_in_function_epilogue_p (gdbarch,
|
|
xstormy16_in_function_epilogue_p);
|
|
|
|
/* These values and methods are used when gdb calls a target function. */
|
|
set_gdbarch_push_dummy_call (gdbarch, xstormy16_push_dummy_call);
|
|
set_gdbarch_breakpoint_from_pc (gdbarch, xstormy16_breakpoint_from_pc);
|
|
set_gdbarch_return_value (gdbarch, xstormy16_return_value);
|
|
|
|
set_gdbarch_skip_trampoline_code (gdbarch, xstormy16_skip_trampoline_code);
|
|
|
|
set_gdbarch_print_insn (gdbarch, print_insn_xstormy16);
|
|
|
|
gdbarch_init_osabi (info, gdbarch);
|
|
|
|
dwarf2_append_unwinders (gdbarch);
|
|
frame_unwind_append_unwinder (gdbarch, &xstormy16_frame_unwind);
|
|
|
|
return gdbarch;
|
|
}
|
|
|
|
/* Function: _initialize_xstormy16_tdep
|
|
Initializer function for the Sanyo Xstormy16a module.
|
|
Called by gdb at start-up. */
|
|
|
|
extern initialize_file_ftype _initialize_xstormy16_tdep; /* -Wmissing-prototypes */
|
|
|
|
void
|
|
_initialize_xstormy16_tdep (void)
|
|
{
|
|
register_gdbarch_init (bfd_arch_xstormy16, xstormy16_gdbarch_init);
|
|
}
|