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a121b7c1ac
This is the remainder boring constification that all looks more of less borderline obvious IMO. gdb/ChangeLog: 2017-04-05 Pedro Alves <palves@redhat.com> * ada-exp.y (yyerror): Constify. * ada-lang.c (bound_name, get_selections) (ada_variant_discrim_type) (ada_variant_discrim_name, ada_value_struct_elt) (ada_lookup_struct_elt_type, is_unchecked_variant) (ada_which_variant_applies, standard_exc, ada_get_next_arg) (catch_ada_exception_command_split) (catch_ada_assert_command_split, catch_assert_command) (ada_op_name): Constify. * ada-lang.h (ada_yyerror, get_selections) (ada_variant_discrim_name, ada_value_struct_elt): Constify. * arc-tdep.c (arc_print_frame_cache): Constify. * arm-tdep.c (arm_skip_stub): Constify. * ax-gdb.c (gen_binop, gen_struct_ref_recursive, gen_struct_ref) (gen_aggregate_elt_ref): Constify. * bcache.c (print_bcache_statistics): Constify. * bcache.h (print_bcache_statistics): Constify. * break-catch-throw.c (catch_exception_command_1): * breakpoint.c (struct ep_type_description::description): Constify. (add_solib_catchpoint): Constify. (catch_fork_command_1): Add cast. (add_catch_command): Constify. * breakpoint.h (add_catch_command, add_solib_catchpoint): Constify. * bsd-uthread.c (bsd_uthread_state): Constify. * buildsym.c (patch_subfile_names): Constify. * buildsym.h (next_symbol_text_func, patch_subfile_names): Constify. * c-exp.y (yyerror): Constify. (token::oper): Constify. * c-lang.h (c_yyerror, cp_print_class_member): Constify. * c-varobj.c (cplus_describe_child): Constify. * charset.c (find_charset_names): Add cast. (find_charset_names): Constify array and add const_cast. * cli/cli-cmds.c (complete_command, cd_command): Constify. (edit_command): Constify. * cli/cli-decode.c (lookup_cmd): Constify. * cli/cli-dump.c (dump_memory_command, dump_value_command): Constify. (struct dump_context): Constify. (add_dump_command, restore_command): Constify. * cli/cli-script.c (get_command_line): Constify. * cli/cli-script.h (get_command_line): Constify. * cli/cli-utils.c (check_for_argument): Constify. * cli/cli-utils.h (check_for_argument): Constify. * coff-pe-read.c (struct read_pe_section_data): Constify. * command.h (lookup_cmd): Constify. * common/print-utils.c (decimal2str): Constify. * completer.c (gdb_print_filename): Constify. * corefile.c (set_gnutarget): Constify. * cp-name-parser.y (yyerror): Constify. * cp-valprint.c (cp_print_class_member): Constify. * cris-tdep.c (cris_register_name, crisv32_register_name): Constify. * d-exp.y (yyerror): Constify. (struct token::oper): Constify. * d-lang.h (d_yyerror): Constify. * dbxread.c (struct header_file_location::name): Constify. (add_old_header_file, add_new_header_file, last_function_name) (dbx_next_symbol_text, add_bincl_to_list) (find_corresponding_bincl_psymtab, set_namestring) (find_stab_function_addr, read_dbx_symtab, start_psymtab) (dbx_end_psymtab, read_ofile_symtab, process_one_symbol): * defs.h (command_line_input, print_address_symbolic) (deprecated_readline_begin_hook): Constify. * dwarf2read.c (anonymous_struct_prefix, dwarf_bool_name): Constify. * event-top.c (handle_line_of_input): Constify and add cast. * exceptions.c (catch_errors): Constify. * exceptions.h (catch_errors): Constify. * expprint.c (print_subexp_standard, op_string, op_name) (op_name_standard, dump_raw_expression, dump_raw_expression): * expression.h (op_name, op_string, dump_raw_expression): Constify. * f-exp.y (yyerror): Constify. (struct token::oper): Constify. (struct f77_boolean_val::name): Constify. * f-lang.c (f_word_break_characters): Constify. * f-lang.h (f_yyerror): Constify. * fork-child.c (fork_inferior): Add cast. * frv-tdep.c (struct gdbarch_tdep::register_names): Constify. (new_variant): Constify. * gdbarch.sh (pstring_ptr, pstring_list): Constify. * gdbarch.c: Regenerate. * gdbcore.h (set_gnutarget): Constify. * go-exp.y (yyerror): Constify. (token::oper): Constify. * go-lang.h (go_yyerror): Constify. * go32-nat.c (go32_sysinfo): Constify. * guile/scm-breakpoint.c (gdbscm_breakpoint_expression): Constify. * guile/scm-cmd.c (cmdscm_function): Constify. * guile/scm-param.c (pascm_param_value): Constify. * h8300-tdep.c (h8300_register_name, h8300s_register_name) (h8300sx_register_name): Constify. * hppa-tdep.c (hppa32_register_name, hppa64_register_name): Constify. * ia64-tdep.c (ia64_register_names): Constify. * infcmd.c (construct_inferior_arguments): Constify. (path_command, attach_post_wait): Constify. * language.c (show_range_command, show_case_command) (unk_lang_error): Constify. * language.h (language_defn::la_error) (language_defn::la_name_of_this): Constify. * linespec.c (decode_line_2): Constify. * linux-thread-db.c (thread_db_err_str): Constify. * lm32-tdep.c (lm32_register_name): Constify. * m2-exp.y (yyerror): Constify. * m2-lang.h (m2_yyerror): Constify. * m32r-tdep.c (m32r_register_names): Constify and make static. * m68hc11-tdep.c (m68hc11_register_names): Constify. * m88k-tdep.c (m88k_register_name): Constify. * macroexp.c (appendmem): Constify. * mdebugread.c (fdr_name, add_data_symbol, parse_type) (upgrade_type, parse_external, parse_partial_symbols) (mdebug_next_symbol_text, cross_ref, mylookup_symbol, new_psymtab) (new_symbol): Constify. * memattr.c (mem_info_command): Constify. * mep-tdep.c (register_name_from_keyword): Constify. * mi/mi-cmd-env.c (mi_cmd_env_path, _initialize_mi_cmd_env): Constify. * mi/mi-cmd-stack.c (list_args_or_locals): Constify. * mi/mi-cmd-var.c (mi_cmd_var_show_attributes): Constify. * mi/mi-main.c (captured_mi_execute_command): Constify and add cast. (mi_execute_async_cli_command): Constify. * mips-tdep.c (mips_register_name): Constify. * mn10300-tdep.c (register_name, mn10300_generic_register_name) (am33_register_name, am33_2_register_name) * moxie-tdep.c (moxie_register_names): Constify. * nat/linux-osdata.c (osdata_type): Constify fields. * nto-tdep.c (nto_parse_redirection): Constify. * objc-lang.c (lookup_struct_typedef, lookup_objc_class) (lookup_child_selector): Constify. (objc_methcall::name): Constify. * objc-lang.h (lookup_objc_class, lookup_child_selector) (lookup_struct_typedef): Constify. * objfiles.c (pc_in_section): Constify. * objfiles.h (pc_in_section): Constify. * p-exp.y (struct token::oper): Constify. (yyerror): Constify. * p-lang.h (pascal_yyerror): Constify. * parser-defs.h (op_name_standard): Constify. (op_print::string): Constify. (exp_descriptor::op_name): Constify. * printcmd.c (print_address_symbolic): Constify. * psymtab.c (print_partial_symbols): Constify. * python/py-breakpoint.c (stop_func): Constify. (bppy_get_expression): Constify. * python/py-cmd.c (cmdpy_completer::name): Constify. (cmdpy_function): Constify. * python/py-event.c (evpy_add_attribute) (gdbpy_initialize_event_generic): Constify. * python/py-event.h (evpy_add_attribute) (gdbpy_initialize_event_generic): Constify. * python/py-evts.c (add_new_registry): Constify. * python/py-finishbreakpoint.c (outofscope_func): Constify. * python/py-framefilter.c (get_py_iter_from_func): Constify. * python/py-inferior.c (get_buffer): Add cast. * python/py-param.c (parm_constant::name): Constify. * python/py-unwind.c (fprint_frame_id): Constify. * python/python.c (gdbpy_parameter_value): Constify. * remote-fileio.c (remote_fio_func_map): Make 'name' const. * remote.c (memory_packet_config::name): Constify. (show_packet_config_cmd, remote_write_bytes) (remote_buffer_add_string): * reverse.c (exec_reverse_once): Constify. * rs6000-tdep.c (variant::name, variant::description): Constify. * rust-exp.y (rustyyerror): Constify. * rust-lang.c (rust_op_name): Constify. * rust-lang.h (rustyyerror): Constify. * serial.h (serial_ops::name): Constify. * sh-tdep.c (sh_sh_register_name, sh_sh3_register_name) (sh_sh3e_register_name, sh_sh2e_register_name) (sh_sh2a_register_name, sh_sh2a_nofpu_register_name) (sh_sh_dsp_register_name, sh_sh3_dsp_register_name) (sh_sh4_register_name, sh_sh4_nofpu_register_name) (sh_sh4al_dsp_register_name): Constify. * sh64-tdep.c (sh64_register_name): Constify. * solib-darwin.c (lookup_symbol_from_bfd): Constify. * spu-tdep.c (spu_register_name, info_spu_dma_cmdlist): Constify. * stabsread.c (patch_block_stabs, read_type_number) (ref_map::stabs, ref_add, process_reference) (symbol_reference_defined, define_symbol, define_symbol) (error_type, read_type, read_member_functions, read_cpp_abbrev) (read_one_struct_field, read_struct_fields, read_baseclasses) (read_tilde_fields, read_struct_type, read_array_type) (read_enum_type, read_sun_builtin_type, read_sun_floating_type) (read_huge_number, read_range_type, read_args, common_block_start) (find_name_end): Constify. * stabsread.h (common_block_start, define_symbol) (process_one_symbol, symbol_reference_defined, ref_add): * symfile.c (get_section_index, add_symbol_file_command): * symfile.h (get_section_index): Constify. * target-descriptions.c (tdesc_type::name): Constify. (tdesc_free_type): Add cast. * target.c (find_default_run_target): (add_deprecated_target_alias, find_default_run_target) (target_announce_detach): Constify. (do_option): Constify. * target.h (add_deprecated_target_alias): Constify. * thread.c (print_thread_info_1): Constify. * top.c (deprecated_readline_begin_hook, command_line_input): Constify. (init_main): Add casts. * top.h (handle_line_of_input): Constify. * tracefile-tfile.c (tfile_write_uploaded_tsv): Constify. * tracepoint.c (tvariables_info_1, trace_status_mi): Constify. (tfind_command): Rename to ... (tfind_command_1): ... this and constify. (tfind_command): New function. (tfind_end_command, tfind_start_command): Adjust. (encode_source_string): Constify. * tracepoint.h (encode_source_string): Constify. * tui/tui-data.c (tui_partial_win_by_name): Constify. * tui/tui-data.h (tui_partial_win_by_name): Constify. * tui/tui-source.c (tui_set_source_content_nil): Constify. * tui/tui-source.h (tui_set_source_content_nil): Constify. * tui/tui-win.c (parse_scrolling_args): Constify. * tui/tui-windata.c (tui_erase_data_content): Constify. * tui/tui-windata.h (tui_erase_data_content): Constify. * tui/tui-winsource.c (tui_erase_source_content): Constify. * tui/tui.c (tui_enable): Add cast. * utils.c (defaulted_query): Constify. (init_page_info): Add cast. (puts_debug, subset_compare): Constify. * utils.h (subset_compare): Constify. * varobj.c (varobj_format_string): Constify. * varobj.h (varobj_format_string): Constify. * vax-tdep.c (vax_register_name): Constify. * windows-nat.c (windows_detach): Constify. * xcoffread.c (process_linenos, xcoff_next_symbol_text): Constify. * xml-support.c (gdb_xml_end_element): Constify. * xml-tdesc.c (tdesc_start_reg): Constify. * xstormy16-tdep.c (xstormy16_register_name): Constify. * xtensa-tdep.c (xtensa_find_register_by_name): Constify. * xtensa-tdep.h (xtensa_register_t::name): Constify. gdb/gdbserver/ChangeLog: 2017-04-05 Pedro Alves <palves@redhat.com> * gdbreplay.c (sync_error): Constify. * linux-x86-low.c (push_opcode): Constify.
294 lines
9.9 KiB
C
294 lines
9.9 KiB
C
/* Target-dependent code for the Xtensa port of GDB, the GNU debugger.
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Copyright (C) 2003-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "arch/xtensa.h"
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/* XTENSA_TDEP_VERSION can/should be changed along with XTENSA_CONFIG_VERSION
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whenever the "tdep" structure changes in an incompatible way. */
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#define XTENSA_TDEP_VERSION 0x60
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/* Xtensa register type. */
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typedef enum
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{
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xtRegisterTypeArRegfile = 1, /* Register File ar0..arXX. */
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xtRegisterTypeSpecialReg, /* CPU states, such as PS, Booleans, (rsr). */
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xtRegisterTypeUserReg, /* User defined registers (rur). */
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xtRegisterTypeTieRegfile, /* User define register files. */
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xtRegisterTypeTieState, /* TIE States (mapped on user regs). */
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xtRegisterTypeMapped, /* Mapped on Special Registers. */
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xtRegisterTypeUnmapped, /* Special case of masked registers. */
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xtRegisterTypeWindow, /* Live window registers (a0..a15). */
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xtRegisterTypeVirtual, /* PC, FP. */
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xtRegisterTypeUnknown
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} xtensa_register_type_t;
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/* Xtensa register group. */
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#define XTENSA_MAX_COPROCESSOR 0x10 /* Number of Xtensa coprocessors. */
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typedef enum
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{
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xtRegisterGroupUnknown = 0,
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xtRegisterGroupRegFile = 0x0001, /* Register files without ARx. */
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xtRegisterGroupAddrReg = 0x0002, /* ARx. */
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xtRegisterGroupSpecialReg = 0x0004, /* SRxx. */
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xtRegisterGroupUserReg = 0x0008, /* URxx. */
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xtRegisterGroupState = 0x0010, /* States. */
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xtRegisterGroupGeneral = 0x0100, /* General registers, Ax, SR. */
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xtRegisterGroupUser = 0x0200, /* User registers. */
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xtRegisterGroupFloat = 0x0400, /* Floating Point. */
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xtRegisterGroupVectra = 0x0800, /* Vectra. */
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xtRegisterGroupSystem = 0x1000, /* System. */
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xtRegisterGroupNCP = 0x00800000, /* Non-CP non-base opt/custom. */
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xtRegisterGroupCP0 = 0x01000000, /* CP0. */
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xtRegisterGroupCP1 = 0x02000000, /* CP1. */
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xtRegisterGroupCP2 = 0x04000000, /* CP2. */
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xtRegisterGroupCP3 = 0x08000000, /* CP3. */
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xtRegisterGroupCP4 = 0x10000000, /* CP4. */
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xtRegisterGroupCP5 = 0x20000000, /* CP5. */
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xtRegisterGroupCP6 = 0x40000000, /* CP6. */
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xtRegisterGroupCP7 = 0x80000000, /* CP7. */
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} xtensa_register_group_t;
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/* Xtensa target flags. */
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typedef enum
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{
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xtTargetFlagsNonVisibleRegs = 0x0001,
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xtTargetFlagsUseFetchStore = 0x0002,
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} xtensa_target_flags_t;
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/* Mask. */
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typedef struct
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{
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int reg_num;
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int bit_start;
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int bit_size;
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} xtensa_reg_mask_t;
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typedef struct
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{
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int count;
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xtensa_reg_mask_t *mask;
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} xtensa_mask_t;
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/* Xtensa register representation. */
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typedef struct
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{
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const char *name; /* Register name. */
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int offset; /* Offset. */
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xtensa_register_type_t type; /* Register type. */
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xtensa_register_group_t group;/* Register group. */
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struct type* ctype; /* C-type. */
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int bit_size; /* The actual bit size in the target. */
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int byte_size; /* Actual space allocated in registers[]. */
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int align; /* Alignment for this register. */
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unsigned int target_number; /* Register target number. */
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int flags; /* Flags. */
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int coprocessor; /* Coprocessor num, -1 for non-CP, else -2. */
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const xtensa_mask_t *mask; /* Register is a compilation of other regs. */
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const char *fetch; /* Instruction sequence to fetch register. */
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const char *store; /* Instruction sequence to store register. */
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} xtensa_register_t;
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/* For xtensa-config.c to expand to the structure above. */
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#define XTREG(index,ofs,bsz,sz,al,tnum,flg,cp,ty,gr,name,fet,sto,mas,ct,x,y) \
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{#name, ofs, (xtensa_register_type_t) (ty), \
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((xtensa_register_group_t) \
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((gr) | ((xtRegisterGroupNCP >> 2) << (cp + 2)))), \
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ct, bsz, sz, al, tnum, flg, cp, mas, fet, sto},
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#define XTREG_END \
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{0, 0, (xtensa_register_type_t) 0, (xtensa_register_group_t) 0, \
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0, 0, 0, 0, -1, 0, 0, 0, 0, 0},
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#define XTENSA_REGISTER_FLAGS_PRIVILEGED 0x0001
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#define XTENSA_REGISTER_FLAGS_READABLE 0x0002
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#define XTENSA_REGISTER_FLAGS_WRITABLE 0x0004
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#define XTENSA_REGISTER_FLAGS_VOLATILE 0x0008
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/* Call-ABI for stack frame. */
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typedef enum
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{
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CallAbiDefault = 0, /* Any 'callX' instructions; default stack. */
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CallAbiCall0Only, /* Only 'call0' instructions; flat stack. */
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} call_abi_t;
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struct ctype_cache
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{
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struct ctype_cache *next;
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int size;
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struct type *virtual_type;
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};
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/* Xtensa-specific target dependencies. */
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struct gdbarch_tdep
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{
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unsigned int target_flags;
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/* Spill location for TIE register files under ocd. */
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unsigned int spill_location;
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unsigned int spill_size;
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char *unused; /* Placeholder for compatibility. */
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call_abi_t call_abi; /* Calling convention. */
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/* CPU configuration. */
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unsigned int debug_interrupt_level;
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unsigned int icache_line_bytes;
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unsigned int dcache_line_bytes;
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unsigned int dcache_writeback;
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unsigned int isa_use_windowed_registers;
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unsigned int isa_use_density_instructions;
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unsigned int isa_use_exceptions;
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unsigned int isa_use_ext_l32r;
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unsigned int isa_max_insn_size; /* Maximum instruction length. */
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unsigned int debug_num_ibreaks; /* Number of IBREAKs. */
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unsigned int debug_num_dbreaks;
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/* Register map. */
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xtensa_register_t* regmap;
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unsigned int num_regs; /* Number of registers in register map. */
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unsigned int num_nopriv_regs; /* Number of non-privileged registers. */
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unsigned int num_pseudo_regs; /* Number of pseudo registers. */
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unsigned int num_aregs; /* Size of register file. */
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unsigned int num_contexts;
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int ar_base; /* Register number for AR0. */
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int a0_base; /* Register number for A0 (pseudo). */
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int wb_regnum; /* Register number for WB. */
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int ws_regnum; /* Register number for WS. */
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int pc_regnum; /* Register number for PC. */
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int ps_regnum; /* Register number for PS. */
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int lbeg_regnum; /* Register numbers for count regs. */
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int lend_regnum;
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int lcount_regnum;
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int sar_regnum; /* Register number of SAR. */
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int litbase_regnum; /* Register number of LITBASE. */
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int threadptr_regnum; /* Register number of THREADPTR. */
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int interrupt_regnum; /* Register number for interrupt. */
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int interrupt2_regnum; /* Register number for interrupt2. */
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int cpenable_regnum; /* Register number for cpenable. */
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int debugcause_regnum; /* Register number for debugcause. */
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int exccause_regnum; /* Register number for exccause. */
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int excvaddr_regnum; /* Register number for excvaddr. */
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int max_register_raw_size;
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int max_register_virtual_size;
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unsigned long *fp_layout; /* Layout of custom/TIE regs in 'FP' area. */
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unsigned int fp_layout_bytes; /* Size of layout information (in bytes). */
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unsigned long *gregmap;
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/* Cached register types. */
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struct ctype_cache *type_entries;
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};
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/* Macro to instantiate a gdbarch_tdep structure. */
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#define XTENSA_GDBARCH_TDEP_INSTANTIATE(rmap,spillsz) \
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{ \
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0, /* target_flags */ \
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-1, /* spill_location */ \
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(spillsz), /* spill_size */ \
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0, /* unused */ \
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(XSHAL_ABI == XTHAL_ABI_CALL0 \
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? CallAbiCall0Only \
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: CallAbiDefault), /* call_abi */ \
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XCHAL_DEBUGLEVEL, /* debug_interrupt_level */ \
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XCHAL_ICACHE_LINESIZE, /* icache_line_bytes */ \
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XCHAL_DCACHE_LINESIZE, /* dcache_line_bytes */ \
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|
XCHAL_DCACHE_IS_WRITEBACK, /* dcache_writeback */ \
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|
(XSHAL_ABI != XTHAL_ABI_CALL0), /* isa_use_windowed_registers */ \
|
|
XCHAL_HAVE_DENSITY, /* isa_use_density_instructions */ \
|
|
XCHAL_HAVE_EXCEPTIONS, /* isa_use_exceptions */ \
|
|
XSHAL_USE_ABSOLUTE_LITERALS, /* isa_use_ext_l32r */ \
|
|
XCHAL_MAX_INSTRUCTION_SIZE, /* isa_max_insn_size */ \
|
|
XCHAL_NUM_IBREAK, /* debug_num_ibreaks */ \
|
|
XCHAL_NUM_DBREAK, /* debug_num_dbreaks */ \
|
|
rmap, /* regmap */ \
|
|
0, /* num_regs */ \
|
|
0, /* num_nopriv_regs */ \
|
|
0, /* num_pseudo_regs */ \
|
|
XCHAL_NUM_AREGS, /* num_aregs */ \
|
|
XCHAL_NUM_CONTEXTS, /* num_contexts */ \
|
|
-1, /* ar_base */ \
|
|
-1, /* a0_base */ \
|
|
-1, /* wb_regnum */ \
|
|
-1, /* ws_regnum */ \
|
|
-1, /* pc_regnum */ \
|
|
-1, /* ps_regnum */ \
|
|
-1, /* lbeg_regnum */ \
|
|
-1, /* lend_regnum */ \
|
|
-1, /* lcount_regnum */ \
|
|
-1, /* sar_regnum */ \
|
|
-1, /* litbase_regnum */ \
|
|
-1, /* interrupt_regnum */ \
|
|
-1, /* interrupt2_regnum */ \
|
|
-1, /* cpenable_regnum */ \
|
|
-1, /* debugcause_regnum */ \
|
|
-1, /* exccause_regnum */ \
|
|
-1, /* excvaddr_regnum */ \
|
|
0, /* max_register_raw_size */ \
|
|
0, /* max_register_virtual_size */ \
|
|
0, /* fp_layout */ \
|
|
0, /* fp_layout_bytes */ \
|
|
0, /* gregmap */ \
|
|
}
|
|
#define XTENSA_CONFIG_INSTANTIATE(rmap,spill_size) \
|
|
struct gdbarch_tdep xtensa_tdep = \
|
|
XTENSA_GDBARCH_TDEP_INSTANTIATE(rmap,spill_size);
|
|
|
|
#ifndef XCHAL_NUM_CONTEXTS
|
|
#define XCHAL_NUM_CONTEXTS 0
|
|
#endif
|
|
#ifndef XCHAL_HAVE_EXCEPTIONS
|
|
#define XCHAL_HAVE_EXCEPTIONS 1
|
|
#endif
|
|
#define WB_SHIFT 2
|
|
|
|
/* We assign fixed numbers to the registers of the "current" window
|
|
(i.e., relative to WB). The registers get remapped via the reg_map
|
|
data structure to their corresponding register in the AR register
|
|
file (see xtensa-tdep.c). */
|
|
|