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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.
607 lines
16 KiB
C
607 lines
16 KiB
C
/* SPU native-dependent code for GDB, the GNU debugger.
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Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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Contributed by Ulrich Weigand <uweigand@de.ibm.com>.
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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 "gdbcore.h"
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#include "gdb_string.h"
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#include "target.h"
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#include "inferior.h"
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#include "inf-ptrace.h"
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#include "regcache.h"
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#include "symfile.h"
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#include "gdb_wait.h"
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#include "gdbthread.h"
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#include <sys/ptrace.h>
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#include <asm/ptrace.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include "spu-tdep.h"
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/* PPU side system calls. */
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#define INSTR_SC 0x44000002
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#define NR_spu_run 0x0116
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/* Fetch PPU register REGNO. */
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static ULONGEST
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fetch_ppc_register (int regno)
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{
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PTRACE_TYPE_RET res;
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int tid = TIDGET (inferior_ptid);
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if (tid == 0)
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tid = PIDGET (inferior_ptid);
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#ifndef __powerpc64__
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/* If running as a 32-bit process on a 64-bit system, we attempt
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to get the full 64-bit register content of the target process.
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If the PPC special ptrace call fails, we're on a 32-bit system;
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just fall through to the regular ptrace call in that case. */
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{
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gdb_byte buf[8];
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errno = 0;
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ptrace (PPC_PTRACE_PEEKUSR_3264, tid,
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(PTRACE_TYPE_ARG3) (regno * 8), buf);
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if (errno == 0)
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ptrace (PPC_PTRACE_PEEKUSR_3264, tid,
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(PTRACE_TYPE_ARG3) (regno * 8 + 4), buf + 4);
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if (errno == 0)
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return (ULONGEST) *(uint64_t *)buf;
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}
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#endif
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errno = 0;
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res = ptrace (PT_READ_U, tid,
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(PTRACE_TYPE_ARG3) (regno * sizeof (PTRACE_TYPE_RET)), 0);
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if (errno != 0)
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{
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char mess[128];
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xsnprintf (mess, sizeof mess, "reading PPC register #%d", regno);
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perror_with_name (_(mess));
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}
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return (ULONGEST) (unsigned long) res;
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}
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/* Fetch WORD from PPU memory at (aligned) MEMADDR in thread TID. */
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static int
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fetch_ppc_memory_1 (int tid, ULONGEST memaddr, PTRACE_TYPE_RET *word)
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{
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errno = 0;
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#ifndef __powerpc64__
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if (memaddr >> 32)
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{
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uint64_t addr_8 = (uint64_t) memaddr;
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ptrace (PPC_PTRACE_PEEKTEXT_3264, tid, (PTRACE_TYPE_ARG3) &addr_8, word);
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}
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else
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#endif
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*word = ptrace (PT_READ_I, tid, (PTRACE_TYPE_ARG3) (size_t) memaddr, 0);
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return errno;
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}
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/* Store WORD into PPU memory at (aligned) MEMADDR in thread TID. */
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static int
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store_ppc_memory_1 (int tid, ULONGEST memaddr, PTRACE_TYPE_RET word)
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{
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errno = 0;
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#ifndef __powerpc64__
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if (memaddr >> 32)
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{
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uint64_t addr_8 = (uint64_t) memaddr;
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ptrace (PPC_PTRACE_POKEDATA_3264, tid, (PTRACE_TYPE_ARG3) &addr_8, word);
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}
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else
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#endif
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ptrace (PT_WRITE_D, tid, (PTRACE_TYPE_ARG3) (size_t) memaddr, word);
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return errno;
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}
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/* Fetch LEN bytes of PPU memory at MEMADDR to MYADDR. */
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static int
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fetch_ppc_memory (ULONGEST memaddr, gdb_byte *myaddr, int len)
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{
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int i, ret;
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ULONGEST addr = memaddr & -(ULONGEST) sizeof (PTRACE_TYPE_RET);
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int count = ((((memaddr + len) - addr) + sizeof (PTRACE_TYPE_RET) - 1)
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/ sizeof (PTRACE_TYPE_RET));
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PTRACE_TYPE_RET *buffer;
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int tid = TIDGET (inferior_ptid);
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if (tid == 0)
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tid = PIDGET (inferior_ptid);
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buffer = (PTRACE_TYPE_RET *) alloca (count * sizeof (PTRACE_TYPE_RET));
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for (i = 0; i < count; i++, addr += sizeof (PTRACE_TYPE_RET))
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{
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ret = fetch_ppc_memory_1 (tid, addr, &buffer[i]);
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if (ret)
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return ret;
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}
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memcpy (myaddr,
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(char *) buffer + (memaddr & (sizeof (PTRACE_TYPE_RET) - 1)),
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len);
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return 0;
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}
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/* Store LEN bytes from MYADDR to PPU memory at MEMADDR. */
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static int
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store_ppc_memory (ULONGEST memaddr, const gdb_byte *myaddr, int len)
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{
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int i, ret;
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ULONGEST addr = memaddr & -(ULONGEST) sizeof (PTRACE_TYPE_RET);
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int count = ((((memaddr + len) - addr) + sizeof (PTRACE_TYPE_RET) - 1)
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/ sizeof (PTRACE_TYPE_RET));
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PTRACE_TYPE_RET *buffer;
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int tid = TIDGET (inferior_ptid);
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if (tid == 0)
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tid = PIDGET (inferior_ptid);
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buffer = (PTRACE_TYPE_RET *) alloca (count * sizeof (PTRACE_TYPE_RET));
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if (addr != memaddr || len < (int) sizeof (PTRACE_TYPE_RET))
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{
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ret = fetch_ppc_memory_1 (tid, addr, &buffer[0]);
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if (ret)
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return ret;
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}
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if (count > 1)
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{
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ret = fetch_ppc_memory_1 (tid, addr + (count - 1)
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* sizeof (PTRACE_TYPE_RET),
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&buffer[count - 1]);
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if (ret)
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return ret;
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}
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memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_TYPE_RET) - 1)),
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myaddr, len);
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for (i = 0; i < count; i++, addr += sizeof (PTRACE_TYPE_RET))
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{
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ret = store_ppc_memory_1 (tid, addr, buffer[i]);
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if (ret)
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return ret;
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}
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return 0;
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}
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/* If the PPU thread is currently stopped on a spu_run system call,
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return to FD and ADDR the file handle and NPC parameter address
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used with the system call. Return non-zero if successful. */
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static int
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parse_spufs_run (int *fd, ULONGEST *addr)
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{
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enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
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gdb_byte buf[4];
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ULONGEST pc = fetch_ppc_register (32); /* nip */
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/* Fetch instruction preceding current NIP. */
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if (fetch_ppc_memory (pc-4, buf, 4) != 0)
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return 0;
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/* It should be a "sc" instruction. */
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if (extract_unsigned_integer (buf, 4, byte_order) != INSTR_SC)
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return 0;
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/* System call number should be NR_spu_run. */
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if (fetch_ppc_register (0) != NR_spu_run)
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return 0;
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/* Register 3 contains fd, register 4 the NPC param pointer. */
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*fd = fetch_ppc_register (34); /* orig_gpr3 */
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*addr = fetch_ppc_register (4);
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return 1;
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}
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/* Copy LEN bytes at OFFSET in spufs file ANNEX into/from READBUF or WRITEBUF,
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using the /proc file system. */
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static LONGEST
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spu_proc_xfer_spu (const char *annex, gdb_byte *readbuf,
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const gdb_byte *writebuf,
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ULONGEST offset, LONGEST len)
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{
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char buf[128];
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int fd = 0;
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int ret = -1;
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int pid = PIDGET (inferior_ptid);
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if (!annex)
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return 0;
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xsnprintf (buf, sizeof buf, "/proc/%d/fd/%s", pid, annex);
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fd = open (buf, writebuf? O_WRONLY : O_RDONLY);
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if (fd <= 0)
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return -1;
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if (offset != 0
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&& lseek (fd, (off_t) offset, SEEK_SET) != (off_t) offset)
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{
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close (fd);
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return 0;
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}
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if (writebuf)
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ret = write (fd, writebuf, (size_t) len);
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else if (readbuf)
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ret = read (fd, readbuf, (size_t) len);
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close (fd);
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return ret;
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}
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/* Inferior memory should contain an SPE executable image at location ADDR.
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Allocate a BFD representing that executable. Return NULL on error. */
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static void *
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spu_bfd_iovec_open (struct bfd *nbfd, void *open_closure)
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{
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return open_closure;
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}
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static int
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spu_bfd_iovec_close (struct bfd *nbfd, void *stream)
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{
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xfree (stream);
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return 1;
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}
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static file_ptr
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spu_bfd_iovec_pread (struct bfd *abfd, void *stream, void *buf,
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file_ptr nbytes, file_ptr offset)
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{
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ULONGEST addr = *(ULONGEST *)stream;
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if (fetch_ppc_memory (addr + offset, buf, nbytes) != 0)
|
|
{
|
|
bfd_set_error (bfd_error_invalid_operation);
|
|
return -1;
|
|
}
|
|
|
|
return nbytes;
|
|
}
|
|
|
|
static int
|
|
spu_bfd_iovec_stat (struct bfd *abfd, void *stream, struct stat *sb)
|
|
{
|
|
/* We don't have an easy way of finding the size of embedded spu
|
|
images. We could parse the in-memory ELF header and section
|
|
table to find the extent of the last section but that seems
|
|
pointless when the size is needed only for checks of other
|
|
parsed values in dbxread.c. */
|
|
sb->st_size = INT_MAX;
|
|
return 0;
|
|
}
|
|
|
|
static bfd *
|
|
spu_bfd_open (ULONGEST addr)
|
|
{
|
|
struct bfd *nbfd;
|
|
asection *spu_name;
|
|
|
|
ULONGEST *open_closure = xmalloc (sizeof (ULONGEST));
|
|
*open_closure = addr;
|
|
|
|
nbfd = bfd_openr_iovec (xstrdup ("<in-memory>"), "elf32-spu",
|
|
spu_bfd_iovec_open, open_closure,
|
|
spu_bfd_iovec_pread, spu_bfd_iovec_close,
|
|
spu_bfd_iovec_stat);
|
|
if (!nbfd)
|
|
return NULL;
|
|
|
|
if (!bfd_check_format (nbfd, bfd_object))
|
|
{
|
|
bfd_close (nbfd);
|
|
return NULL;
|
|
}
|
|
|
|
/* Retrieve SPU name note and update BFD name. */
|
|
spu_name = bfd_get_section_by_name (nbfd, ".note.spu_name");
|
|
if (spu_name)
|
|
{
|
|
int sect_size = bfd_section_size (nbfd, spu_name);
|
|
if (sect_size > 20)
|
|
{
|
|
char *buf = alloca (sect_size - 20 + 1);
|
|
bfd_get_section_contents (nbfd, spu_name, buf, 20, sect_size - 20);
|
|
buf[sect_size - 20] = '\0';
|
|
|
|
xfree ((char *)nbfd->filename);
|
|
nbfd->filename = xstrdup (buf);
|
|
}
|
|
}
|
|
|
|
return nbfd;
|
|
}
|
|
|
|
/* INFERIOR_FD is a file handle passed by the inferior to the
|
|
spu_run system call. Assuming the SPE context was allocated
|
|
by the libspe library, try to retrieve the main SPE executable
|
|
file from its copy within the target process. */
|
|
static void
|
|
spu_symbol_file_add_from_memory (int inferior_fd)
|
|
{
|
|
ULONGEST addr;
|
|
struct bfd *nbfd;
|
|
|
|
char id[128];
|
|
char annex[32];
|
|
int len;
|
|
|
|
/* Read object ID. */
|
|
xsnprintf (annex, sizeof annex, "%d/object-id", inferior_fd);
|
|
len = spu_proc_xfer_spu (annex, id, NULL, 0, sizeof id);
|
|
if (len <= 0 || len >= sizeof id)
|
|
return;
|
|
id[len] = 0;
|
|
addr = strtoulst (id, NULL, 16);
|
|
if (!addr)
|
|
return;
|
|
|
|
/* Open BFD representing SPE executable and read its symbols. */
|
|
nbfd = spu_bfd_open (addr);
|
|
if (nbfd)
|
|
symbol_file_add_from_bfd (nbfd, SYMFILE_VERBOSE | SYMFILE_MAINLINE,
|
|
NULL, 0);
|
|
}
|
|
|
|
|
|
/* Override the post_startup_inferior routine to continue running
|
|
the inferior until the first spu_run system call. */
|
|
static void
|
|
spu_child_post_startup_inferior (ptid_t ptid)
|
|
{
|
|
int fd;
|
|
ULONGEST addr;
|
|
|
|
int tid = TIDGET (ptid);
|
|
if (tid == 0)
|
|
tid = PIDGET (ptid);
|
|
|
|
while (!parse_spufs_run (&fd, &addr))
|
|
{
|
|
ptrace (PT_SYSCALL, tid, (PTRACE_TYPE_ARG3) 0, 0);
|
|
waitpid (tid, NULL, __WALL | __WNOTHREAD);
|
|
}
|
|
}
|
|
|
|
/* Override the post_attach routine to try load the SPE executable
|
|
file image from its copy inside the target process. */
|
|
static void
|
|
spu_child_post_attach (int pid)
|
|
{
|
|
int fd;
|
|
ULONGEST addr;
|
|
|
|
/* Like child_post_startup_inferior, if we happened to attach to
|
|
the inferior while it wasn't currently in spu_run, continue
|
|
running it until we get back there. */
|
|
while (!parse_spufs_run (&fd, &addr))
|
|
{
|
|
ptrace (PT_SYSCALL, pid, (PTRACE_TYPE_ARG3) 0, 0);
|
|
waitpid (pid, NULL, __WALL | __WNOTHREAD);
|
|
}
|
|
|
|
/* If the user has not provided an executable file, try to extract
|
|
the image from inside the target process. */
|
|
if (!get_exec_file (0))
|
|
spu_symbol_file_add_from_memory (fd);
|
|
}
|
|
|
|
/* Wait for child PTID to do something. Return id of the child,
|
|
minus_one_ptid in case of error; store status into *OURSTATUS. */
|
|
static ptid_t
|
|
spu_child_wait (struct target_ops *ops,
|
|
ptid_t ptid, struct target_waitstatus *ourstatus, int options)
|
|
{
|
|
int save_errno;
|
|
int status;
|
|
pid_t pid;
|
|
|
|
do
|
|
{
|
|
set_sigint_trap (); /* Causes SIGINT to be passed on to the
|
|
attached process. */
|
|
|
|
pid = waitpid (PIDGET (ptid), &status, 0);
|
|
if (pid == -1 && errno == ECHILD)
|
|
/* Try again with __WCLONE to check cloned processes. */
|
|
pid = waitpid (PIDGET (ptid), &status, __WCLONE);
|
|
|
|
save_errno = errno;
|
|
|
|
/* Make sure we don't report an event for the exit of the
|
|
original program, if we've detached from it. */
|
|
if (pid != -1 && !WIFSTOPPED (status) && pid != PIDGET (inferior_ptid))
|
|
{
|
|
pid = -1;
|
|
save_errno = EINTR;
|
|
}
|
|
|
|
clear_sigint_trap ();
|
|
}
|
|
while (pid == -1 && save_errno == EINTR);
|
|
|
|
if (pid == -1)
|
|
{
|
|
warning (_("Child process unexpectedly missing: %s"),
|
|
safe_strerror (save_errno));
|
|
|
|
/* Claim it exited with unknown signal. */
|
|
ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
|
|
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
|
|
return inferior_ptid;
|
|
}
|
|
|
|
store_waitstatus (ourstatus, status);
|
|
return pid_to_ptid (pid);
|
|
}
|
|
|
|
/* Override the fetch_inferior_register routine. */
|
|
static void
|
|
spu_fetch_inferior_registers (struct target_ops *ops,
|
|
struct regcache *regcache, int regno)
|
|
{
|
|
int fd;
|
|
ULONGEST addr;
|
|
|
|
/* We must be stopped on a spu_run system call. */
|
|
if (!parse_spufs_run (&fd, &addr))
|
|
return;
|
|
|
|
/* The ID register holds the spufs file handle. */
|
|
if (regno == -1 || regno == SPU_ID_REGNUM)
|
|
{
|
|
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
char buf[4];
|
|
store_unsigned_integer (buf, 4, byte_order, fd);
|
|
regcache_raw_supply (regcache, SPU_ID_REGNUM, buf);
|
|
}
|
|
|
|
/* The NPC register is found at ADDR. */
|
|
if (regno == -1 || regno == SPU_PC_REGNUM)
|
|
{
|
|
gdb_byte buf[4];
|
|
if (fetch_ppc_memory (addr, buf, 4) == 0)
|
|
regcache_raw_supply (regcache, SPU_PC_REGNUM, buf);
|
|
}
|
|
|
|
/* The GPRs are found in the "regs" spufs file. */
|
|
if (regno == -1 || (regno >= 0 && regno < SPU_NUM_GPRS))
|
|
{
|
|
gdb_byte buf[16 * SPU_NUM_GPRS];
|
|
char annex[32];
|
|
int i;
|
|
|
|
xsnprintf (annex, sizeof annex, "%d/regs", fd);
|
|
if (spu_proc_xfer_spu (annex, buf, NULL, 0, sizeof buf) == sizeof buf)
|
|
for (i = 0; i < SPU_NUM_GPRS; i++)
|
|
regcache_raw_supply (regcache, i, buf + i*16);
|
|
}
|
|
}
|
|
|
|
/* Override the store_inferior_register routine. */
|
|
static void
|
|
spu_store_inferior_registers (struct target_ops *ops,
|
|
struct regcache *regcache, int regno)
|
|
{
|
|
int fd;
|
|
ULONGEST addr;
|
|
|
|
/* We must be stopped on a spu_run system call. */
|
|
if (!parse_spufs_run (&fd, &addr))
|
|
return;
|
|
|
|
/* The NPC register is found at ADDR. */
|
|
if (regno == -1 || regno == SPU_PC_REGNUM)
|
|
{
|
|
gdb_byte buf[4];
|
|
regcache_raw_collect (regcache, SPU_PC_REGNUM, buf);
|
|
store_ppc_memory (addr, buf, 4);
|
|
}
|
|
|
|
/* The GPRs are found in the "regs" spufs file. */
|
|
if (regno == -1 || (regno >= 0 && regno < SPU_NUM_GPRS))
|
|
{
|
|
gdb_byte buf[16 * SPU_NUM_GPRS];
|
|
char annex[32];
|
|
int i;
|
|
|
|
for (i = 0; i < SPU_NUM_GPRS; i++)
|
|
regcache_raw_collect (regcache, i, buf + i*16);
|
|
|
|
xsnprintf (annex, sizeof annex, "%d/regs", fd);
|
|
spu_proc_xfer_spu (annex, NULL, buf, 0, sizeof buf);
|
|
}
|
|
}
|
|
|
|
/* Override the to_xfer_partial routine. */
|
|
static LONGEST
|
|
spu_xfer_partial (struct target_ops *ops,
|
|
enum target_object object, const char *annex,
|
|
gdb_byte *readbuf, const gdb_byte *writebuf,
|
|
ULONGEST offset, LONGEST len)
|
|
{
|
|
if (object == TARGET_OBJECT_SPU)
|
|
return spu_proc_xfer_spu (annex, readbuf, writebuf, offset, len);
|
|
|
|
if (object == TARGET_OBJECT_MEMORY)
|
|
{
|
|
int fd;
|
|
ULONGEST addr;
|
|
char mem_annex[32];
|
|
|
|
/* We must be stopped on a spu_run system call. */
|
|
if (!parse_spufs_run (&fd, &addr))
|
|
return 0;
|
|
|
|
/* Use the "mem" spufs file to access SPU local store. */
|
|
xsnprintf (mem_annex, sizeof mem_annex, "%d/mem", fd);
|
|
return spu_proc_xfer_spu (mem_annex, readbuf, writebuf, offset, len);
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/* Override the to_can_use_hw_breakpoint routine. */
|
|
static int
|
|
spu_can_use_hw_breakpoint (int type, int cnt, int othertype)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* Initialize SPU native target. */
|
|
void
|
|
_initialize_spu_nat (void)
|
|
{
|
|
/* Generic ptrace methods. */
|
|
struct target_ops *t;
|
|
t = inf_ptrace_target ();
|
|
|
|
/* Add SPU methods. */
|
|
t->to_post_attach = spu_child_post_attach;
|
|
t->to_post_startup_inferior = spu_child_post_startup_inferior;
|
|
t->to_wait = spu_child_wait;
|
|
t->to_fetch_registers = spu_fetch_inferior_registers;
|
|
t->to_store_registers = spu_store_inferior_registers;
|
|
t->to_xfer_partial = spu_xfer_partial;
|
|
t->to_can_use_hw_breakpoint = spu_can_use_hw_breakpoint;
|
|
|
|
/* Register SPU target. */
|
|
add_target (t);
|
|
}
|