old-cross-binutils/gdb/sparc-linux-tdep.c
Ulrich Weigand e17a411335 * defs.h (extract_signed_integer, extract_unsigned_integer,
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.
2009-07-02 17:25:59 +00:00

292 lines
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/* Target-dependent code for GNU/Linux SPARC.
Copyright (C) 2003, 2004, 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 "dwarf2-frame.h"
#include "frame.h"
#include "frame-unwind.h"
#include "gdbtypes.h"
#include "regset.h"
#include "gdbarch.h"
#include "gdbcore.h"
#include "osabi.h"
#include "regcache.h"
#include "solib-svr4.h"
#include "symtab.h"
#include "trad-frame.h"
#include "tramp-frame.h"
#include "sparc-tdep.h"
/* Signal trampoline support. */
static void sparc32_linux_sigframe_init (const struct tramp_frame *self,
struct frame_info *this_frame,
struct trad_frame_cache *this_cache,
CORE_ADDR func);
/* GNU/Linux has two flavors of signals. Normal signal handlers, and
"realtime" (RT) signals. The RT signals can provide additional
information to the signal handler if the SA_SIGINFO flag is set
when establishing a signal handler using `sigaction'. It is not
unlikely that future versions of GNU/Linux will support SA_SIGINFO
for normal signals too. */
/* When the sparc Linux kernel calls a signal handler and the
SA_RESTORER flag isn't set, the return address points to a bit of
code on the stack. This code checks whether the PC appears to be
within this bit of code.
The instruction sequence for normal signals is encoded below.
Checking for the code sequence should be somewhat reliable, because
the effect is to call the system call sigreturn. This is unlikely
to occur anywhere other than a signal trampoline. */
static const struct tramp_frame sparc32_linux_sigframe =
{
SIGTRAMP_FRAME,
4,
{
{ 0x821020d8, -1 }, /* mov __NR_sugreturn, %g1 */
{ 0x91d02010, -1 }, /* ta 0x10 */
{ TRAMP_SENTINEL_INSN, -1 }
},
sparc32_linux_sigframe_init
};
/* The instruction sequence for RT signals is slightly different. The
effect is to call the system call rt_sigreturn. */
static const struct tramp_frame sparc32_linux_rt_sigframe =
{
SIGTRAMP_FRAME,
4,
{
{ 0x82102065, -1 }, /* mov __NR_rt_sigreturn, %g1 */
{ 0x91d02010, -1 }, /* ta 0x10 */
{ TRAMP_SENTINEL_INSN, -1 }
},
sparc32_linux_sigframe_init
};
static void
sparc32_linux_sigframe_init (const struct tramp_frame *self,
struct frame_info *this_frame,
struct trad_frame_cache *this_cache,
CORE_ADDR func)
{
CORE_ADDR base, addr, sp_addr;
int regnum;
base = get_frame_register_unsigned (this_frame, SPARC_O1_REGNUM);
if (self == &sparc32_linux_rt_sigframe)
base += 128;
/* Offsets from <bits/sigcontext.h>. */
trad_frame_set_reg_addr (this_cache, SPARC32_PSR_REGNUM, base + 0);
trad_frame_set_reg_addr (this_cache, SPARC32_PC_REGNUM, base + 4);
trad_frame_set_reg_addr (this_cache, SPARC32_NPC_REGNUM, base + 8);
trad_frame_set_reg_addr (this_cache, SPARC32_Y_REGNUM, base + 12);
/* Since %g0 is always zero, keep the identity encoding. */
addr = base + 20;
sp_addr = base + 16 + ((SPARC_SP_REGNUM - SPARC_G0_REGNUM) * 4);
for (regnum = SPARC_G1_REGNUM; regnum <= SPARC_O7_REGNUM; regnum++)
{
trad_frame_set_reg_addr (this_cache, regnum, addr);
addr += 4;
}
base = get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
addr = get_frame_memory_unsigned (this_frame, sp_addr, 4);
for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
{
trad_frame_set_reg_addr (this_cache, regnum, addr);
addr += 4;
}
trad_frame_set_id (this_cache, frame_id_build (base, func));
}
/* Return the address of a system call's alternative return
address. */
static CORE_ADDR
sparc32_linux_step_trap (struct frame_info *frame, unsigned long insn)
{
if (insn == 0x91d02010)
{
ULONGEST sc_num = get_frame_register_unsigned (frame, SPARC_G1_REGNUM);
/* __NR_rt_sigreturn is 101 and __NR_sigreturn is 216 */
if (sc_num == 101 || sc_num == 216)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
ULONGEST sp, pc_offset;
sp = get_frame_register_unsigned (frame, SPARC_SP_REGNUM);
/* The kernel puts the sigreturn registers on the stack,
and this is where the signal unwinding state is take from
when returning from a signal.
For __NR_sigreturn, this register area sits 96 bytes from
the base of the stack. The saved PC sits 4 bytes into the
sigreturn register save area.
For __NR_rt_sigreturn a siginfo_t, which is 128 bytes, sits
right before the sigreturn register save area. */
pc_offset = 96 + 4;
if (sc_num == 101)
pc_offset += 128;
return read_memory_unsigned_integer (sp + pc_offset, 4, byte_order);
}
}
return 0;
}
const struct sparc_gregset sparc32_linux_core_gregset =
{
32 * 4, /* %psr */
33 * 4, /* %pc */
34 * 4, /* %npc */
35 * 4, /* %y */
-1, /* %wim */
-1, /* %tbr */
1 * 4, /* %g1 */
16 * 4, /* %l0 */
4, /* y size */
};
static void
sparc32_linux_supply_core_gregset (const struct regset *regset,
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
sparc32_supply_gregset (&sparc32_linux_core_gregset, regcache, regnum, gregs);
}
static void
sparc32_linux_collect_core_gregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
sparc32_collect_gregset (&sparc32_linux_core_gregset, regcache, regnum, gregs);
}
static void
sparc32_linux_supply_core_fpregset (const struct regset *regset,
struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
sparc32_supply_fpregset (regcache, regnum, fpregs);
}
static void
sparc32_linux_collect_core_fpregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *fpregs, size_t len)
{
sparc32_collect_fpregset (regcache, regnum, fpregs);
}
/* Set the program counter for process PTID to PC. */
#define PSR_SYSCALL 0x00004000
static void
sparc_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
ULONGEST psr;
regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc);
regcache_cooked_write_unsigned (regcache, tdep->npc_regnum, pc + 4);
/* Clear the "in syscall" bit to prevent the kernel from
messing with the PCs we just installed, if we happen to be
within an interrupted system call that the kernel wants to
restart.
Note that after we return from the dummy call, the PSR et al.
registers will be automatically restored, and the kernel
continues to restart the system call at this point. */
regcache_cooked_read_unsigned (regcache, SPARC32_PSR_REGNUM, &psr);
psr &= ~PSR_SYSCALL;
regcache_cooked_write_unsigned (regcache, SPARC32_PSR_REGNUM, psr);
}
static void
sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset = regset_alloc (gdbarch, sparc32_linux_supply_core_gregset,
sparc32_linux_collect_core_gregset);
tdep->sizeof_gregset = 152;
tdep->fpregset = regset_alloc (gdbarch, sparc32_linux_supply_core_fpregset,
sparc32_linux_collect_core_fpregset);
tdep->sizeof_fpregset = 396;
tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_sigframe);
tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_rt_sigframe);
/* GNU/Linux has SVR4-style shared libraries... */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
/* ...which means that we need some special handling when doing
prologue analysis. */
tdep->plt_entry_size = 12;
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
/* Make sure we can single-step over signal return system calls. */
tdep->step_trap = sparc32_linux_step_trap;
/* Hook in the DWARF CFI frame unwinder. */
dwarf2_append_unwinders (gdbarch);
set_gdbarch_write_pc (gdbarch, sparc_linux_write_pc);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern void _initialize_sparc_linux_tdep (void);
void
_initialize_sparc_linux_tdep (void)
{
gdbarch_register_osabi (bfd_arch_sparc, 0, GDB_OSABI_LINUX,
sparc32_linux_init_abi);
}