mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-09 04:21:49 +08:00
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.
558 lines
16 KiB
C
558 lines
16 KiB
C
/* BSD user-level threads support.
|
||
|
||
Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
|
||
|
||
This file is part of GDB.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 3 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||
|
||
#include "defs.h"
|
||
#include "gdbcore.h"
|
||
#include "gdbthread.h"
|
||
#include "inferior.h"
|
||
#include "objfiles.h"
|
||
#include "observer.h"
|
||
#include "regcache.h"
|
||
#include "solib.h"
|
||
#include "solist.h"
|
||
#include "symfile.h"
|
||
#include "target.h"
|
||
|
||
#include "gdb_assert.h"
|
||
#include "gdb_obstack.h"
|
||
|
||
#include "bsd-uthread.h"
|
||
|
||
/* HACK: Save the bsd_uthreads ops returned by bsd_uthread_target. */
|
||
static struct target_ops *bsd_uthread_ops_hack;
|
||
|
||
|
||
/* Architecture-specific operations. */
|
||
|
||
/* Per-architecture data key. */
|
||
static struct gdbarch_data *bsd_uthread_data;
|
||
|
||
struct bsd_uthread_ops
|
||
{
|
||
/* Supply registers for an inactive thread to a register cache. */
|
||
void (*supply_uthread)(struct regcache *, int, CORE_ADDR);
|
||
|
||
/* Collect registers for an inactive thread from a register cache. */
|
||
void (*collect_uthread)(const struct regcache *, int, CORE_ADDR);
|
||
};
|
||
|
||
static void *
|
||
bsd_uthread_init (struct obstack *obstack)
|
||
{
|
||
struct bsd_uthread_ops *ops;
|
||
|
||
ops = OBSTACK_ZALLOC (obstack, struct bsd_uthread_ops);
|
||
return ops;
|
||
}
|
||
|
||
/* Set the function that supplies registers from an inactive thread
|
||
for architecture GDBARCH to SUPPLY_UTHREAD. */
|
||
|
||
void
|
||
bsd_uthread_set_supply_uthread (struct gdbarch *gdbarch,
|
||
void (*supply_uthread) (struct regcache *,
|
||
int, CORE_ADDR))
|
||
{
|
||
struct bsd_uthread_ops *ops = gdbarch_data (gdbarch, bsd_uthread_data);
|
||
ops->supply_uthread = supply_uthread;
|
||
}
|
||
|
||
/* Set the function that collects registers for an inactive thread for
|
||
architecture GDBARCH to SUPPLY_UTHREAD. */
|
||
|
||
void
|
||
bsd_uthread_set_collect_uthread (struct gdbarch *gdbarch,
|
||
void (*collect_uthread) (const struct regcache *,
|
||
int, CORE_ADDR))
|
||
{
|
||
struct bsd_uthread_ops *ops = gdbarch_data (gdbarch, bsd_uthread_data);
|
||
ops->collect_uthread = collect_uthread;
|
||
}
|
||
|
||
/* Magic number to help recognize a valid thread structure. */
|
||
#define BSD_UTHREAD_PTHREAD_MAGIC 0xd09ba115
|
||
|
||
/* Check whether the thread structure at ADDR is valid. */
|
||
|
||
static void
|
||
bsd_uthread_check_magic (CORE_ADDR addr)
|
||
{
|
||
enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
|
||
ULONGEST magic = read_memory_unsigned_integer (addr, 4, byte_order);
|
||
|
||
if (magic != BSD_UTHREAD_PTHREAD_MAGIC)
|
||
error (_("Bad magic"));
|
||
}
|
||
|
||
/* Thread states. */
|
||
#define BSD_UTHREAD_PS_RUNNING 0
|
||
#define BSD_UTHREAD_PS_DEAD 18
|
||
|
||
/* Address of the pointer to the the thread structure for the running
|
||
thread. */
|
||
static CORE_ADDR bsd_uthread_thread_run_addr;
|
||
|
||
/* Address of the list of all threads. */
|
||
static CORE_ADDR bsd_uthread_thread_list_addr;
|
||
|
||
/* Offsets of various "interesting" bits in the thread structure. */
|
||
static int bsd_uthread_thread_state_offset = -1;
|
||
static int bsd_uthread_thread_next_offset = -1;
|
||
static int bsd_uthread_thread_ctx_offset;
|
||
|
||
/* Name of shared threads library. */
|
||
static const char *bsd_uthread_solib_name;
|
||
|
||
/* Non-zero if the thread startum implemented by this module is active. */
|
||
static int bsd_uthread_active;
|
||
|
||
static CORE_ADDR
|
||
bsd_uthread_lookup_address (const char *name, struct objfile *objfile)
|
||
{
|
||
struct minimal_symbol *sym;
|
||
|
||
sym = lookup_minimal_symbol (name, NULL, objfile);
|
||
if (sym)
|
||
return SYMBOL_VALUE_ADDRESS (sym);
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int
|
||
bsd_uthread_lookup_offset (const char *name, struct objfile *objfile)
|
||
{
|
||
enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
|
||
CORE_ADDR addr;
|
||
|
||
addr = bsd_uthread_lookup_address (name, objfile);
|
||
if (addr == 0)
|
||
return 0;
|
||
|
||
return read_memory_unsigned_integer (addr, 4, byte_order);
|
||
}
|
||
|
||
static CORE_ADDR
|
||
bsd_uthread_read_memory_address (CORE_ADDR addr)
|
||
{
|
||
struct type *ptr_type = builtin_type (target_gdbarch)->builtin_data_ptr;
|
||
return read_memory_typed_address (addr, ptr_type);
|
||
}
|
||
|
||
/* If OBJFILE contains the symbols corresponding to one of the
|
||
supported user-level threads libraries, activate the thread stratum
|
||
implemented by this module. */
|
||
|
||
static int
|
||
bsd_uthread_activate (struct objfile *objfile)
|
||
{
|
||
struct gdbarch *gdbarch = target_gdbarch;
|
||
struct bsd_uthread_ops *ops = gdbarch_data (gdbarch, bsd_uthread_data);
|
||
|
||
/* Skip if the thread stratum has already been activated. */
|
||
if (bsd_uthread_active)
|
||
return 0;
|
||
|
||
/* There's no point in enabling this module if no
|
||
architecture-specific operations are provided. */
|
||
if (!ops->supply_uthread)
|
||
return 0;
|
||
|
||
bsd_uthread_thread_run_addr =
|
||
bsd_uthread_lookup_address ("_thread_run", objfile);
|
||
if (bsd_uthread_thread_run_addr == 0)
|
||
return 0;
|
||
|
||
bsd_uthread_thread_list_addr =
|
||
bsd_uthread_lookup_address ("_thread_list", objfile);
|
||
if (bsd_uthread_thread_list_addr == 0)
|
||
return 0;
|
||
|
||
bsd_uthread_thread_state_offset =
|
||
bsd_uthread_lookup_offset ("_thread_state_offset", objfile);
|
||
if (bsd_uthread_thread_state_offset == 0)
|
||
return 0;
|
||
|
||
bsd_uthread_thread_next_offset =
|
||
bsd_uthread_lookup_offset ("_thread_next_offset", objfile);
|
||
if (bsd_uthread_thread_next_offset == 0)
|
||
return 0;
|
||
|
||
bsd_uthread_thread_ctx_offset =
|
||
bsd_uthread_lookup_offset ("_thread_ctx_offset", objfile);
|
||
|
||
push_target (bsd_uthread_ops_hack);
|
||
bsd_uthread_active = 1;
|
||
return 1;
|
||
}
|
||
|
||
/* Cleanup due to deactivation. */
|
||
|
||
static void
|
||
bsd_uthread_close (int quitting)
|
||
{
|
||
bsd_uthread_active = 0;
|
||
bsd_uthread_thread_run_addr = 0;
|
||
bsd_uthread_thread_list_addr = 0;
|
||
bsd_uthread_thread_state_offset = 0;
|
||
bsd_uthread_thread_next_offset = 0;
|
||
bsd_uthread_thread_ctx_offset = 0;
|
||
bsd_uthread_solib_name = NULL;
|
||
}
|
||
|
||
/* Deactivate the thread stratum implemented by this module. */
|
||
|
||
static void
|
||
bsd_uthread_deactivate (void)
|
||
{
|
||
/* Skip if the thread stratum has already been deactivated. */
|
||
if (!bsd_uthread_active)
|
||
return;
|
||
|
||
unpush_target (bsd_uthread_ops_hack);
|
||
}
|
||
|
||
static void
|
||
bsd_uthread_inferior_created (struct target_ops *ops, int from_tty)
|
||
{
|
||
bsd_uthread_activate (NULL);
|
||
}
|
||
|
||
/* Likely candidates for the threads library. */
|
||
static const char *bsd_uthread_solib_names[] =
|
||
{
|
||
"/usr/lib/libc_r.so", /* FreeBSD */
|
||
"/usr/lib/libpthread.so", /* OpenBSD */
|
||
NULL
|
||
};
|
||
|
||
static void
|
||
bsd_uthread_solib_loaded (struct so_list *so)
|
||
{
|
||
const char **names = bsd_uthread_solib_names;
|
||
|
||
for (names = bsd_uthread_solib_names; *names; names++)
|
||
{
|
||
if (strncmp (so->so_original_name, *names, strlen (*names)) == 0)
|
||
{
|
||
solib_read_symbols (so, so->from_tty ? SYMFILE_VERBOSE : 0);
|
||
|
||
if (bsd_uthread_activate (so->objfile))
|
||
{
|
||
bsd_uthread_solib_name = so->so_original_name;
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
bsd_uthread_solib_unloaded (struct so_list *so)
|
||
{
|
||
if (!bsd_uthread_solib_name)
|
||
return;
|
||
|
||
if (strcmp (so->so_original_name, bsd_uthread_solib_name) == 0)
|
||
bsd_uthread_deactivate ();
|
||
}
|
||
|
||
static void
|
||
bsd_uthread_mourn_inferior (struct target_ops *ops)
|
||
{
|
||
struct target_ops *beneath = find_target_beneath (ops);
|
||
beneath->to_mourn_inferior (beneath);
|
||
bsd_uthread_deactivate ();
|
||
}
|
||
|
||
static void
|
||
bsd_uthread_fetch_registers (struct target_ops *ops,
|
||
struct regcache *regcache, int regnum)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
struct bsd_uthread_ops *uthread_ops = gdbarch_data (gdbarch, bsd_uthread_data);
|
||
CORE_ADDR addr = ptid_get_tid (inferior_ptid);
|
||
struct target_ops *beneath = find_target_beneath (ops);
|
||
CORE_ADDR active_addr;
|
||
|
||
/* Always fetch the appropriate registers from the layer beneath. */
|
||
beneath->to_fetch_registers (beneath, regcache, regnum);
|
||
|
||
/* FIXME: That might have gotten us more than we asked for. Make
|
||
sure we overwrite all relevant registers with values from the
|
||
thread structure. This can go once we fix the underlying target. */
|
||
regnum = -1;
|
||
|
||
active_addr = bsd_uthread_read_memory_address (bsd_uthread_thread_run_addr);
|
||
if (addr != 0 && addr != active_addr)
|
||
{
|
||
bsd_uthread_check_magic (addr);
|
||
uthread_ops->supply_uthread (regcache, regnum,
|
||
addr + bsd_uthread_thread_ctx_offset);
|
||
}
|
||
}
|
||
|
||
static void
|
||
bsd_uthread_store_registers (struct target_ops *ops,
|
||
struct regcache *regcache, int regnum)
|
||
{
|
||
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
||
struct bsd_uthread_ops *uthread_ops = gdbarch_data (gdbarch, bsd_uthread_data);
|
||
struct target_ops *beneath = find_target_beneath (ops);
|
||
CORE_ADDR addr = ptid_get_tid (inferior_ptid);
|
||
CORE_ADDR active_addr;
|
||
|
||
active_addr = bsd_uthread_read_memory_address (bsd_uthread_thread_run_addr);
|
||
if (addr != 0 && addr != active_addr)
|
||
{
|
||
bsd_uthread_check_magic (addr);
|
||
uthread_ops->collect_uthread (regcache, regnum,
|
||
addr + bsd_uthread_thread_ctx_offset);
|
||
}
|
||
else
|
||
{
|
||
/* Updating the thread that is currently running; pass the
|
||
request to the layer beneath. */
|
||
beneath->to_store_registers (beneath, regcache, regnum);
|
||
}
|
||
}
|
||
|
||
/* FIXME: This function is only there because otherwise GDB tries to
|
||
invoke deprecate_xfer_memory. */
|
||
|
||
static LONGEST
|
||
bsd_uthread_xfer_partial (struct target_ops *ops, enum target_object object,
|
||
const char *annex, gdb_byte *readbuf,
|
||
const gdb_byte *writebuf,
|
||
ULONGEST offset, LONGEST len)
|
||
{
|
||
gdb_assert (ops->beneath->to_xfer_partial);
|
||
return ops->beneath->to_xfer_partial (ops->beneath, object, annex, readbuf,
|
||
writebuf, offset, len);
|
||
}
|
||
|
||
static ptid_t
|
||
bsd_uthread_wait (struct target_ops *ops,
|
||
ptid_t ptid, struct target_waitstatus *status, int options)
|
||
{
|
||
enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
|
||
CORE_ADDR addr;
|
||
struct target_ops *beneath = find_target_beneath (ops);
|
||
|
||
/* Pass the request to the layer beneath. */
|
||
ptid = beneath->to_wait (beneath, ptid, status, options);
|
||
|
||
/* If the process is no longer alive, there's no point in figuring
|
||
out the thread ID. It will fail anyway. */
|
||
if (status->kind == TARGET_WAITKIND_SIGNALLED
|
||
|| status->kind == TARGET_WAITKIND_EXITED)
|
||
return ptid;
|
||
|
||
/* Fetch the corresponding thread ID, and augment the returned
|
||
process ID with it. */
|
||
addr = bsd_uthread_read_memory_address (bsd_uthread_thread_run_addr);
|
||
if (addr != 0)
|
||
{
|
||
gdb_byte buf[4];
|
||
|
||
/* FIXME: For executables linked statically with the threads
|
||
library, we end up here before the program has actually been
|
||
executed. In that case ADDR will be garbage since it has
|
||
been read from the wrong virtual memory image. */
|
||
if (target_read_memory (addr, buf, 4) == 0)
|
||
{
|
||
ULONGEST magic = extract_unsigned_integer (buf, 4, byte_order);
|
||
if (magic == BSD_UTHREAD_PTHREAD_MAGIC)
|
||
ptid = ptid_build (ptid_get_pid (ptid), 0, addr);
|
||
}
|
||
}
|
||
|
||
/* If INFERIOR_PTID doesn't have a tid member yet, and we now have a
|
||
ptid with tid set, then ptid is still the initial thread of
|
||
the process. Notify GDB core about it. */
|
||
if (ptid_get_tid (inferior_ptid) == 0
|
||
&& ptid_get_tid (ptid) != 0 && !in_thread_list (ptid))
|
||
thread_change_ptid (inferior_ptid, ptid);
|
||
|
||
/* Don't let the core see a ptid without a corresponding thread. */
|
||
if (!in_thread_list (ptid) || is_exited (ptid))
|
||
add_thread (ptid);
|
||
|
||
return ptid;
|
||
}
|
||
|
||
static void
|
||
bsd_uthread_resume (struct target_ops *ops,
|
||
ptid_t ptid, int step, enum target_signal sig)
|
||
{
|
||
/* Pass the request to the layer beneath. */
|
||
struct target_ops *beneath = find_target_beneath (ops);
|
||
beneath->to_resume (beneath, ptid, step, sig);
|
||
}
|
||
|
||
static int
|
||
bsd_uthread_thread_alive (struct target_ops *ops, ptid_t ptid)
|
||
{
|
||
enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
|
||
struct target_ops *beneath = find_target_beneath (ops);
|
||
CORE_ADDR addr = ptid_get_tid (inferior_ptid);
|
||
|
||
if (addr != 0)
|
||
{
|
||
int offset = bsd_uthread_thread_state_offset;
|
||
ULONGEST state;
|
||
|
||
bsd_uthread_check_magic (addr);
|
||
|
||
state = read_memory_unsigned_integer (addr + offset, 4, byte_order);
|
||
if (state == BSD_UTHREAD_PS_DEAD)
|
||
return 0;
|
||
}
|
||
|
||
return beneath->to_thread_alive (beneath, ptid);
|
||
}
|
||
|
||
static void
|
||
bsd_uthread_find_new_threads (struct target_ops *ops)
|
||
{
|
||
pid_t pid = ptid_get_pid (inferior_ptid);
|
||
int offset = bsd_uthread_thread_next_offset;
|
||
CORE_ADDR addr;
|
||
|
||
addr = bsd_uthread_read_memory_address (bsd_uthread_thread_list_addr);
|
||
while (addr != 0)
|
||
{
|
||
ptid_t ptid = ptid_build (pid, 0, addr);
|
||
|
||
if (!in_thread_list (ptid) || is_exited (ptid))
|
||
{
|
||
/* If INFERIOR_PTID doesn't have a tid member yet, then ptid
|
||
is still the initial thread of the process. Notify GDB
|
||
core about it. */
|
||
if (ptid_get_tid (inferior_ptid) == 0)
|
||
thread_change_ptid (inferior_ptid, ptid);
|
||
else
|
||
add_thread (ptid);
|
||
}
|
||
|
||
addr = bsd_uthread_read_memory_address (addr + offset);
|
||
}
|
||
}
|
||
|
||
/* Possible states a thread can be in. */
|
||
static char *bsd_uthread_state[] =
|
||
{
|
||
"RUNNING",
|
||
"SIGTHREAD",
|
||
"MUTEX_WAIT",
|
||
"COND_WAIT",
|
||
"FDLR_WAIT",
|
||
"FDLW_WAIT",
|
||
"FDR_WAIT",
|
||
"FDW_WAIT",
|
||
"FILE_WAIT",
|
||
"POLL_WAIT",
|
||
"SELECT_WAIT",
|
||
"SLEEP_WAIT",
|
||
"WAIT_WAIT",
|
||
"SIGSUSPEND",
|
||
"SIGWAIT",
|
||
"SPINBLOCK",
|
||
"JOIN",
|
||
"SUSPENDED",
|
||
"DEAD",
|
||
"DEADLOCK"
|
||
};
|
||
|
||
/* Return a string describing th state of the thread specified by
|
||
INFO. */
|
||
|
||
static char *
|
||
bsd_uthread_extra_thread_info (struct thread_info *info)
|
||
{
|
||
enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
|
||
CORE_ADDR addr = ptid_get_tid (info->ptid);
|
||
|
||
if (addr != 0)
|
||
{
|
||
int offset = bsd_uthread_thread_state_offset;
|
||
ULONGEST state;
|
||
|
||
state = read_memory_unsigned_integer (addr + offset, 4, byte_order);
|
||
if (state < ARRAY_SIZE (bsd_uthread_state))
|
||
return bsd_uthread_state[state];
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static char *
|
||
bsd_uthread_pid_to_str (struct target_ops *ops, ptid_t ptid)
|
||
{
|
||
if (ptid_get_tid (ptid) != 0)
|
||
{
|
||
static char buf[64];
|
||
|
||
xsnprintf (buf, sizeof buf, "process %d, thread 0x%lx",
|
||
ptid_get_pid (ptid), ptid_get_tid (ptid));
|
||
return buf;
|
||
}
|
||
|
||
return normal_pid_to_str (ptid);
|
||
}
|
||
|
||
static struct target_ops *
|
||
bsd_uthread_target (void)
|
||
{
|
||
struct target_ops *t = XZALLOC (struct target_ops);
|
||
|
||
t->to_shortname = "bsd-uthreads";
|
||
t->to_longname = "BSD user-level threads";
|
||
t->to_doc = "BSD user-level threads";
|
||
t->to_close = bsd_uthread_close;
|
||
t->to_mourn_inferior = bsd_uthread_mourn_inferior;
|
||
t->to_fetch_registers = bsd_uthread_fetch_registers;
|
||
t->to_store_registers = bsd_uthread_store_registers;
|
||
t->to_xfer_partial = bsd_uthread_xfer_partial;
|
||
t->to_wait = bsd_uthread_wait;
|
||
t->to_resume = bsd_uthread_resume;
|
||
t->to_thread_alive = bsd_uthread_thread_alive;
|
||
t->to_find_new_threads = bsd_uthread_find_new_threads;
|
||
t->to_extra_thread_info = bsd_uthread_extra_thread_info;
|
||
t->to_pid_to_str = bsd_uthread_pid_to_str;
|
||
t->to_stratum = thread_stratum;
|
||
t->to_magic = OPS_MAGIC;
|
||
bsd_uthread_ops_hack = t;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||
extern initialize_file_ftype _initialize_bsd_uthread;
|
||
|
||
void
|
||
_initialize_bsd_uthread (void)
|
||
{
|
||
add_target (bsd_uthread_target ());
|
||
|
||
bsd_uthread_data = gdbarch_data_register_pre_init (bsd_uthread_init);
|
||
|
||
observer_attach_inferior_created (bsd_uthread_inferior_created);
|
||
observer_attach_solib_loaded (bsd_uthread_solib_loaded);
|
||
observer_attach_solib_unloaded (bsd_uthread_solib_unloaded);
|
||
}
|