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491144b5e2
This is for add_setshow_boolean_cmd as well as the gdb::option interface. gdb/ChangeLog: 2019-09-17 Christian Biesinger <cbiesinger@google.com> * ada-lang.c (ada_ignore_descriptive_types_p): Change to bool. (print_signatures): Likewise. (trust_pad_over_xvs): Likewise. * arch/aarch64-insn.c (aarch64_debug): Likewise. * arch/aarch64-insn.h (aarch64_debug): Likewise. * arm-linux-nat.c (arm_apcs_32): Likewise. * arm-linux-tdep.c (arm_apcs_32): Likewise. * arm-nbsd-nat.c (arm_apcs_32): Likewise. * arm-tdep.c (arm_debug): Likewise. (arm_apcs_32): Likewise. * auto-load.c (debug_auto_load): Likewise. (auto_load_gdb_scripts): Likewise. (global_auto_load): Likewise. (auto_load_local_gdbinit): Likewise. (auto_load_local_gdbinit_loaded): Likewise. * auto-load.h (global_auto_load): Likewise. (auto_load_local_gdbinit): Likewise. (auto_load_local_gdbinit_loaded): Likewise. * breakpoint.c (disconnected_dprintf): Likewise. (breakpoint_proceeded): Likewise. (automatic_hardware_breakpoints): Likewise. (always_inserted_mode): Likewise. (target_exact_watchpoints): Likewise. (_initialize_breakpoint): Update. * breakpoint.h (target_exact_watchpoints): Change to bool. * btrace.c (maint_btrace_pt_skip_pad): Likewise. * cli/cli-cmds.c (trace_commands): Likewise. * cli/cli-cmds.h (trace_commands): Likewise. * cli/cli-decode.c (add_setshow_boolean_cmd): Change int* argument to bool*. * cli/cli-logging.c (logging_overwrite): Change to bool. (logging_redirect): Likewise. (debug_redirect): Likewise. * cli/cli-option.h (option_def) <boolean>: Change return type to bool*. (struct boolean_option_def) <get_var_address_cb_>: Change return type to bool. <boolean_option_def>: Update. (struct flag_option_def): Change default type of Context to bool from int. <flag_option_def>: Change return type of var_address_cb_ to bool*. * cli/cli-setshow.c (do_set_command): Cast to bool* instead of int*. (get_setshow_command_value_string): Likewise. * cli/cli-style.c (cli_styling): Change to bool. (source_styling): Likewise. * cli/cli-style.h (source_styling): Likewise. (cli_styling): Likewise. * cli/cli-utils.h (struct qcs_flags) <quiet, cont, silent>: Change to bool. * command.h (var_types): Update comment. (add_setshow_boolean_cmd): Change int* var argument to bool*. * compile/compile-cplus-types.c (debug_compile_cplus_types): Change to bool. (debug_compile_cplus_scopes): Likewise. * compile/compile-internal.h (compile_debug): Likewise. * compile/compile.c (compile_debug): Likewise. (struct compile_options) <raw>: Likewise. * cp-support.c (catch_demangler_crashes): Likewise. * cris-tdep.c (usr_cmd_cris_version_valid): Likewise. (usr_cmd_cris_dwarf2_cfi): Likewise. * csky-tdep.c (csky_debug): Likewise. * darwin-nat.c (enable_mach_exceptions): Likewise. * dcache.c (dcache_enabled_p): Likewise. * defs.h (info_verbose): Likewise. * demangle.c (demangle): Likewise. (asm_demangle): Likewise. * dwarf-index-cache.c (debug_index_cache): Likewise. * dwarf2-frame.c (dwarf2_frame_unwinders_enabled_p): Likewise. * dwarf2-frame.h (dwarf2_frame_unwinders_enabled_p): Likewise. * dwarf2read.c (check_physname): Likewise. (use_deprecated_index_sections): Likewise. (dwarf_always_disassemble): Likewise. * eval.c (overload_resolution): Likewise. * event-top.c (set_editing_cmd_var): Likewise. (exec_done_display_p): Likewise. * event-top.h (set_editing_cmd_var): Likewise. (exec_done_display_p): Likewise. * exec.c (write_files): Likewise. * fbsd-nat.c (debug_fbsd_lwp): Likewise (debug_fbsd_nat): Likewise. * frame.h (struct frame_print_options) <print_raw_frame_arguments>: Likewise. (struct set_backtrace_options) <backtrace_past_main>: Likewise. <backtrace_past_entry> Likewise. * gdb-demangle.h (demangle): Likewise. (asm_demangle): Likewise. * gdb_bfd.c (bfd_sharing): Likewise. * gdbcore.h (write_files): Likewise. * gdbsupport/common-debug.c (show_debug_regs): Likewise. * gdbsupport/common-debug.h (show_debug_regs): Likewise. * gdbthread.h (print_thread_events): Likewise. * gdbtypes.c (opaque_type_resolution): Likewise. (strict_type_checking): Likewise. * gnu-nat.c (gnu_debug_flag): Likewise. * guile/scm-auto-load.c (auto_load_guile_scripts): Likewise. * guile/scm-param.c (pascm_variable): Add boolval. (add_setshow_generic): Update. (pascm_param_value): Update. (pascm_set_param_value_x): Update. * hppa-tdep.c (hppa_debug): Change to bool.. * infcall.c (may_call_functions_p): Likewise. (coerce_float_to_double_p): Likewise. (unwind_on_signal_p): Likewise. (unwind_on_terminating_exception_p): Likewise. * infcmd.c (startup_with_shell): Likewise. * inferior.c (print_inferior_events): Likewise. * inferior.h (startup_with_shell): Likewise. (print_inferior_events): Likewise. * infrun.c (step_stop_if_no_debug): Likewise. (detach_fork): Likewise. (debug_displaced): Likewise. (disable_randomization): Likewise. (non_stop): Likewise. (non_stop_1): Likewise. (observer_mode): Likewise. (observer_mode_1): Likewise. (set_observer_mode): Update. (sched_multi): Change to bool. * infrun.h (debug_displaced): Likewise. (sched_multi): Likewise. (step_stop_if_no_debug): Likewise. (non_stop): Likewise. (disable_randomization): Likewise. * linux-tdep.c (use_coredump_filter): Likewise. (dump_excluded_mappings): Likewise. * linux-thread-db.c (auto_load_thread_db): Likewise. (check_thread_db_on_load): Likewise. * main.c (captured_main_1): Update. * maint-test-options.c (struct test_options_opts) <flag_opt, xx1_opt, xx2_opt, boolean_opt>: Change to bool. * maint-test-settings.c (maintenance_test_settings_boolean): Likewise. * maint.c (maintenance_profile_p): Likewise. (per_command_time): Likewise. (per_command_space): Likewise. (per_command_symtab): Likewise. * memattr.c (inaccessible_by_default): Likewise. * mi/mi-main.c (mi_async): Likewise. (mi_async_1): Likewise. * mips-tdep.c (mips64_transfers_32bit_regs_p): Likewise. * nat/fork-inferior.h (startup_with_shell): Likewise. * nat/linux-namespaces.c (debug_linux_namespaces): Likewise. * nat/linux-namespaces.h (debug_linux_namespaces): Likewise. * nios2-tdep.c (nios2_debug): Likewise. * or1k-tdep.c (or1k_debug): Likewise. * parse.c (parser_debug): Likewise. * parser-defs.h (parser_debug): Likewise. * printcmd.c (print_symbol_filename): Likewise. * proc-api.c (procfs_trace): Likewise. * python/py-auto-load.c (auto_load_python_scripts): Likewise. * python/py-param.c (union parmpy_variable): Add "bool boolval" field. (set_parameter_value): Update. (add_setshow_generic): Update. * python/py-value.c (copy_py_bool_obj): Change argument from int* to bool*. * python/python.c (gdbpy_parameter_value): Cast to bool* instead of int*. * ravenscar-thread.c (ravenscar_task_support): Change to bool. * record-btrace.c (record_btrace_target::store_registers): Update. * record-full.c (record_full_memory_query): Change to bool. (record_full_stop_at_limit): Likewise. * record-full.h (record_full_memory_query): Likewise. * remote-notif.c (notif_debug): Likewise. * remote-notif.h (notif_debug): Likewise. * remote.c (use_range_stepping): Likewise. (interrupt_on_connect): Likewise. (remote_break): Likewise. * ser-tcp.c (tcp_auto_retry): Likewise. * ser-unix.c (serial_hwflow): Likewise. * skip.c (debug_skip): Likewise. * solib-aix.c (solib_aix_debug): Likewise. * spu-tdep.c (spu_stop_on_load_p): Likewise. (spu_auto_flush_cache_p): Likewise. * stack.c (struct backtrace_cmd_options) <full, no_filters, hide>: Likewise. (struct info_print_options) <quiet>: Likewise. * symfile-debug.c (debug_symfile): Likewise. * symfile.c (auto_solib_add): Likewise. (separate_debug_file_debug): Likewise. * symfile.h (auto_solib_add): Likewise. (separate_debug_file_debug): Likewise. * symtab.c (basenames_may_differ): Likewise. (struct filename_partial_match_opts) <dirname, basename>: Likewise. (struct info_print_options) <quiet, exclude_minsyms>: Likewise. (struct info_types_options) <quiet>: Likewise. * symtab.h (demangle): Likewise. (basenames_may_differ): Likewise. * target-dcache.c (stack_cache_enabled_1): Likewise. (code_cache_enabled_1): Likewise. * target.c (trust_readonly): Likewise. (may_write_registers): Likewise. (may_write_memory): Likewise. (may_insert_breakpoints): Likewise. (may_insert_tracepoints): Likewise. (may_insert_fast_tracepoints): Likewise. (may_stop): Likewise. (auto_connect_native_target): Likewise. (target_stop_and_wait): Update. (target_async_permitted): Change to bool. (target_async_permitted_1): Likewise. (may_write_registers_1): Likewise. (may_write_memory_1): Likewise. (may_insert_breakpoints_1): Likewise. (may_insert_tracepoints_1): Likewise. (may_insert_fast_tracepoints_1): Likewise. (may_stop_1): Likewise. * target.h (target_async_permitted): Likewise. (may_write_registers): Likewise. (may_write_memory): Likewise. (may_insert_breakpoints): Likewise. (may_insert_tracepoints): Likewise. (may_insert_fast_tracepoints): Likewise. (may_stop): Likewise. * thread.c (struct info_threads_opts) <show_global_ids>: Likewise. (make_thread_apply_all_options_def_group): Change argument from int* to bool*. (thread_apply_all_command): Update. (print_thread_events): Change to bool. * top.c (confirm): Likewise. (command_editing_p): Likewise. (history_expansion_p): Likewise. (write_history_p): Likewise. (info_verbose): Likewise. * top.h (confirm): Likewise. (history_expansion_p): Likewise. * tracepoint.c (disconnected_tracing): Likewise. (circular_trace_buffer): Likewise. * typeprint.c (print_methods): Likewise. (print_typedefs): Likewise. * utils.c (debug_timestamp): Likewise. (sevenbit_strings): Likewise. (pagination_enabled): Likewise. * utils.h (sevenbit_strings): Likewise. (pagination_enabled): Likewise. * valops.c (overload_resolution): Likewise. * valprint.h (struct value_print_options) <prettyformat_arrays, prettyformat_structs, vtblprint, unionprint, addressprint, objectprint, stop_print_at_null, print_array_indexes, deref_ref, static_field_print, pascal_static_field_print, raw, summary, symbol_print, finish_print>: Likewise. * windows-nat.c (new_console): Likewise. (cygwin_exceptions): Likewise. (new_group): Likewise. (debug_exec): Likewise. (debug_events): Likewise. (debug_memory): Likewise. (debug_exceptions): Likewise. (useshell): Likewise. * windows-tdep.c (maint_display_all_tib): Likewise. * xml-support.c (debug_xml): Likewise.
383 lines
10 KiB
C
383 lines
10 KiB
C
/* Caching of GDB/DWARF index files.
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Copyright (C) 1994-2019 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "dwarf-index-cache.h"
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#include "build-id.h"
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#include "cli/cli-cmds.h"
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#include "command.h"
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#include "gdbsupport/scoped_mmap.h"
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#include "gdbsupport/pathstuff.h"
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#include "dwarf-index-write.h"
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#include "dwarf2read.h"
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#include "objfiles.h"
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#include "gdbsupport/selftest.h"
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#include <string>
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#include <stdlib.h>
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/* When set to true, show debug messages about the index cache. */
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static bool debug_index_cache = false;
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/* The index cache directory, used for "set/show index-cache directory". */
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static char *index_cache_directory = NULL;
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/* See dwarf-index.cache.h. */
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index_cache global_index_cache;
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/* set/show index-cache commands. */
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static cmd_list_element *set_index_cache_prefix_list;
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static cmd_list_element *show_index_cache_prefix_list;
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/* Default destructor of index_cache_resource. */
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index_cache_resource::~index_cache_resource () = default;
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/* See dwarf-index-cache.h. */
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void
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index_cache::set_directory (std::string dir)
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{
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gdb_assert (!dir.empty ());
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m_dir = std::move (dir);
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if (debug_index_cache)
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printf_unfiltered ("index cache: now using directory %s\n", m_dir.c_str ());
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}
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/* See dwarf-index-cache.h. */
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void
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index_cache::enable ()
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{
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if (debug_index_cache)
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printf_unfiltered ("index cache: enabling (%s)\n", m_dir.c_str ());
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m_enabled = true;
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}
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/* See dwarf-index-cache.h. */
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void
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index_cache::disable ()
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{
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if (debug_index_cache)
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printf_unfiltered ("index cache: disabling\n");
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m_enabled = false;
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}
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/* See dwarf-index-cache.h. */
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void
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index_cache::store (struct dwarf2_per_objfile *dwarf2_per_objfile)
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{
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objfile *obj = dwarf2_per_objfile->objfile;
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if (!enabled ())
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return;
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/* Get build id of objfile. */
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const bfd_build_id *build_id = build_id_bfd_get (obj->obfd);
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if (build_id == nullptr)
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{
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if (debug_index_cache)
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printf_unfiltered ("index cache: objfile %s has no build id\n",
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objfile_name (obj));
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return;
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}
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std::string build_id_str = build_id_to_string (build_id);
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/* Get build id of dwz file, if present. */
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gdb::optional<std::string> dwz_build_id_str;
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const dwz_file *dwz = dwarf2_get_dwz_file (dwarf2_per_objfile);
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const char *dwz_build_id_ptr = NULL;
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if (dwz != nullptr)
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{
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const bfd_build_id *dwz_build_id = build_id_bfd_get (dwz->dwz_bfd.get ());
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if (dwz_build_id == nullptr)
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{
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if (debug_index_cache)
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printf_unfiltered ("index cache: dwz objfile %s has no build id\n",
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dwz->filename ());
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return;
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}
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dwz_build_id_str = build_id_to_string (dwz_build_id);
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dwz_build_id_ptr = dwz_build_id_str->c_str ();
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}
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if (m_dir.empty ())
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{
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warning (_("The index cache directory name is empty, skipping store."));
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return;
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}
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try
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{
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/* Try to create the containing directory. */
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if (!mkdir_recursive (m_dir.c_str ()))
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{
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warning (_("index cache: could not make cache directory: %s"),
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safe_strerror (errno));
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return;
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}
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if (debug_index_cache)
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printf_unfiltered ("index cache: writing index cache for objfile %s\n",
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objfile_name (obj));
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/* Write the index itself to the directory, using the build id as the
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filename. */
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write_psymtabs_to_index (dwarf2_per_objfile, m_dir.c_str (),
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build_id_str.c_str (), dwz_build_id_ptr,
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dw_index_kind::GDB_INDEX);
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}
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catch (const gdb_exception_error &except)
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{
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if (debug_index_cache)
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printf_unfiltered ("index cache: couldn't store index cache for objfile "
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"%s: %s", objfile_name (obj), except.what ());
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}
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}
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#if HAVE_SYS_MMAN_H
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/* Hold the resources for an mmapped index file. */
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struct index_cache_resource_mmap final : public index_cache_resource
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{
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/* Try to mmap FILENAME. Throw an exception on failure, including if the
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file doesn't exist. */
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index_cache_resource_mmap (const char *filename)
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: mapping (mmap_file (filename))
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{}
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scoped_mmap mapping;
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};
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/* See dwarf-index-cache.h. */
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gdb::array_view<const gdb_byte>
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index_cache::lookup_gdb_index (const bfd_build_id *build_id,
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std::unique_ptr<index_cache_resource> *resource)
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{
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if (!enabled ())
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return {};
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if (m_dir.empty ())
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{
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warning (_("The index cache directory name is empty, skipping cache "
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"lookup."));
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return {};
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}
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/* Compute where we would expect a gdb index file for this build id to be. */
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std::string filename = make_index_filename (build_id, INDEX4_SUFFIX);
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try
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{
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if (debug_index_cache)
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printf_unfiltered ("index cache: trying to read %s\n",
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filename.c_str ());
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/* Try to map that file. */
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index_cache_resource_mmap *mmap_resource
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= new index_cache_resource_mmap (filename.c_str ());
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/* Yay, it worked! Hand the resource to the caller. */
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resource->reset (mmap_resource);
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return gdb::array_view<const gdb_byte>
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((const gdb_byte *) mmap_resource->mapping.get (),
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mmap_resource->mapping.size ());
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}
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catch (const gdb_exception_error &except)
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{
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if (debug_index_cache)
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printf_unfiltered ("index cache: couldn't read %s: %s\n",
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filename.c_str (), except.what ());
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}
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return {};
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}
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#else /* !HAVE_SYS_MMAN_H */
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/* See dwarf-index-cache.h. This is a no-op on unsupported systems. */
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gdb::array_view<const gdb_byte>
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index_cache::lookup_gdb_index (const bfd_build_id *build_id,
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std::unique_ptr<index_cache_resource> *resource)
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{
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return {};
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}
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#endif
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/* See dwarf-index-cache.h. */
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std::string
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index_cache::make_index_filename (const bfd_build_id *build_id,
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const char *suffix) const
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{
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std::string build_id_str = build_id_to_string (build_id);
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return m_dir + SLASH_STRING + build_id_str + suffix;
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}
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/* "set index-cache" handler. */
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static void
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set_index_cache_command (const char *arg, int from_tty)
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{
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printf_unfiltered (_("\
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Missing arguments. See \"help set index-cache\" for help.\n"));
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}
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/* True when we are executing "show index-cache". This is used to improve the
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printout a little bit. */
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static bool in_show_index_cache_command = false;
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/* "show index-cache" handler. */
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static void
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show_index_cache_command (const char *arg, int from_tty)
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{
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/* Note that we are executing "show index-cache". */
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auto restore_flag = make_scoped_restore (&in_show_index_cache_command, true);
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/* Call all "show index-cache" subcommands. */
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cmd_show_list (show_index_cache_prefix_list, from_tty, "");
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printf_unfiltered ("\n");
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printf_unfiltered
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(_("The index cache is currently %s.\n"),
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global_index_cache.enabled () ? _("enabled") : _("disabled"));
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}
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/* "set index-cache on" handler. */
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static void
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set_index_cache_on_command (const char *arg, int from_tty)
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{
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global_index_cache.enable ();
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}
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/* "set index-cache off" handler. */
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static void
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set_index_cache_off_command (const char *arg, int from_tty)
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{
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global_index_cache.disable ();
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}
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/* "set index-cache directory" handler. */
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static void
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set_index_cache_directory_command (const char *arg, int from_tty,
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cmd_list_element *element)
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{
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/* Make sure the index cache directory is absolute and tilde-expanded. */
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gdb::unique_xmalloc_ptr<char> abs (gdb_abspath (index_cache_directory));
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xfree (index_cache_directory);
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index_cache_directory = abs.release ();
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global_index_cache.set_directory (index_cache_directory);
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}
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/* "show index-cache stats" handler. */
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static void
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show_index_cache_stats_command (const char *arg, int from_tty)
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{
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const char *indent = "";
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|
|
/* If this command is invoked through "show index-cache", make the display a
|
|
bit nicer. */
|
|
if (in_show_index_cache_command)
|
|
{
|
|
indent = " ";
|
|
printf_unfiltered ("\n");
|
|
}
|
|
|
|
printf_unfiltered (_("%s Cache hits (this session): %u\n"),
|
|
indent, global_index_cache.n_hits ());
|
|
printf_unfiltered (_("%sCache misses (this session): %u\n"),
|
|
indent, global_index_cache.n_misses ());
|
|
}
|
|
|
|
void
|
|
_initialize_index_cache ()
|
|
{
|
|
/* Set the default index cache directory. */
|
|
std::string cache_dir = get_standard_cache_dir ();
|
|
if (!cache_dir.empty ())
|
|
{
|
|
index_cache_directory = xstrdup (cache_dir.c_str ());
|
|
global_index_cache.set_directory (std::move (cache_dir));
|
|
}
|
|
else
|
|
warning (_("Couldn't determine a path for the index cache directory."));
|
|
|
|
/* set index-cache */
|
|
add_prefix_cmd ("index-cache", class_files, set_index_cache_command,
|
|
_("Set index-cache options."), &set_index_cache_prefix_list,
|
|
"set index-cache ", false, &setlist);
|
|
|
|
/* show index-cache */
|
|
add_prefix_cmd ("index-cache", class_files, show_index_cache_command,
|
|
_("Show index-cache options."), &show_index_cache_prefix_list,
|
|
"show index-cache ", false, &showlist);
|
|
|
|
/* set index-cache on */
|
|
add_cmd ("on", class_files, set_index_cache_on_command,
|
|
_("Enable the index cache."), &set_index_cache_prefix_list);
|
|
|
|
/* set index-cache off */
|
|
add_cmd ("off", class_files, set_index_cache_off_command,
|
|
_("Disable the index cache."), &set_index_cache_prefix_list);
|
|
|
|
/* set index-cache directory */
|
|
add_setshow_filename_cmd ("directory", class_files, &index_cache_directory,
|
|
_("Set the directory of the index cache."),
|
|
_("Show the directory of the index cache."),
|
|
NULL,
|
|
set_index_cache_directory_command, NULL,
|
|
&set_index_cache_prefix_list,
|
|
&show_index_cache_prefix_list);
|
|
|
|
/* show index-cache stats */
|
|
add_cmd ("stats", class_files, show_index_cache_stats_command,
|
|
_("Show some stats about the index cache."),
|
|
&show_index_cache_prefix_list);
|
|
|
|
/* set debug index-cache */
|
|
add_setshow_boolean_cmd ("index-cache", class_maintenance,
|
|
&debug_index_cache,
|
|
_("Set display of index-cache debug messages."),
|
|
_("Show display of index-cache debug messages."),
|
|
_("\
|
|
When non-zero, debugging output for the index cache is displayed."),
|
|
NULL, NULL,
|
|
&setdebuglist, &showdebuglist);
|
|
}
|