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binutils-gdb/gdb/dwarf-index-cache.c
Christian Biesinger 491144b5e2 Change boolean options to bool instead of int
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.
2019-09-18 09:35:12 +09:00

383 lines
10 KiB
C

/* Caching of GDB/DWARF index files.
Copyright (C) 1994-2019 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 "dwarf-index-cache.h"
#include "build-id.h"
#include "cli/cli-cmds.h"
#include "command.h"
#include "gdbsupport/scoped_mmap.h"
#include "gdbsupport/pathstuff.h"
#include "dwarf-index-write.h"
#include "dwarf2read.h"
#include "objfiles.h"
#include "gdbsupport/selftest.h"
#include <string>
#include <stdlib.h>
/* When set to true, show debug messages about the index cache. */
static bool debug_index_cache = false;
/* The index cache directory, used for "set/show index-cache directory". */
static char *index_cache_directory = NULL;
/* See dwarf-index.cache.h. */
index_cache global_index_cache;
/* set/show index-cache commands. */
static cmd_list_element *set_index_cache_prefix_list;
static cmd_list_element *show_index_cache_prefix_list;
/* Default destructor of index_cache_resource. */
index_cache_resource::~index_cache_resource () = default;
/* See dwarf-index-cache.h. */
void
index_cache::set_directory (std::string dir)
{
gdb_assert (!dir.empty ());
m_dir = std::move (dir);
if (debug_index_cache)
printf_unfiltered ("index cache: now using directory %s\n", m_dir.c_str ());
}
/* See dwarf-index-cache.h. */
void
index_cache::enable ()
{
if (debug_index_cache)
printf_unfiltered ("index cache: enabling (%s)\n", m_dir.c_str ());
m_enabled = true;
}
/* See dwarf-index-cache.h. */
void
index_cache::disable ()
{
if (debug_index_cache)
printf_unfiltered ("index cache: disabling\n");
m_enabled = false;
}
/* See dwarf-index-cache.h. */
void
index_cache::store (struct dwarf2_per_objfile *dwarf2_per_objfile)
{
objfile *obj = dwarf2_per_objfile->objfile;
if (!enabled ())
return;
/* Get build id of objfile. */
const bfd_build_id *build_id = build_id_bfd_get (obj->obfd);
if (build_id == nullptr)
{
if (debug_index_cache)
printf_unfiltered ("index cache: objfile %s has no build id\n",
objfile_name (obj));
return;
}
std::string build_id_str = build_id_to_string (build_id);
/* Get build id of dwz file, if present. */
gdb::optional<std::string> dwz_build_id_str;
const dwz_file *dwz = dwarf2_get_dwz_file (dwarf2_per_objfile);
const char *dwz_build_id_ptr = NULL;
if (dwz != nullptr)
{
const bfd_build_id *dwz_build_id = build_id_bfd_get (dwz->dwz_bfd.get ());
if (dwz_build_id == nullptr)
{
if (debug_index_cache)
printf_unfiltered ("index cache: dwz objfile %s has no build id\n",
dwz->filename ());
return;
}
dwz_build_id_str = build_id_to_string (dwz_build_id);
dwz_build_id_ptr = dwz_build_id_str->c_str ();
}
if (m_dir.empty ())
{
warning (_("The index cache directory name is empty, skipping store."));
return;
}
try
{
/* Try to create the containing directory. */
if (!mkdir_recursive (m_dir.c_str ()))
{
warning (_("index cache: could not make cache directory: %s"),
safe_strerror (errno));
return;
}
if (debug_index_cache)
printf_unfiltered ("index cache: writing index cache for objfile %s\n",
objfile_name (obj));
/* Write the index itself to the directory, using the build id as the
filename. */
write_psymtabs_to_index (dwarf2_per_objfile, m_dir.c_str (),
build_id_str.c_str (), dwz_build_id_ptr,
dw_index_kind::GDB_INDEX);
}
catch (const gdb_exception_error &except)
{
if (debug_index_cache)
printf_unfiltered ("index cache: couldn't store index cache for objfile "
"%s: %s", objfile_name (obj), except.what ());
}
}
#if HAVE_SYS_MMAN_H
/* Hold the resources for an mmapped index file. */
struct index_cache_resource_mmap final : public index_cache_resource
{
/* Try to mmap FILENAME. Throw an exception on failure, including if the
file doesn't exist. */
index_cache_resource_mmap (const char *filename)
: mapping (mmap_file (filename))
{}
scoped_mmap mapping;
};
/* See dwarf-index-cache.h. */
gdb::array_view<const gdb_byte>
index_cache::lookup_gdb_index (const bfd_build_id *build_id,
std::unique_ptr<index_cache_resource> *resource)
{
if (!enabled ())
return {};
if (m_dir.empty ())
{
warning (_("The index cache directory name is empty, skipping cache "
"lookup."));
return {};
}
/* Compute where we would expect a gdb index file for this build id to be. */
std::string filename = make_index_filename (build_id, INDEX4_SUFFIX);
try
{
if (debug_index_cache)
printf_unfiltered ("index cache: trying to read %s\n",
filename.c_str ());
/* Try to map that file. */
index_cache_resource_mmap *mmap_resource
= new index_cache_resource_mmap (filename.c_str ());
/* Yay, it worked! Hand the resource to the caller. */
resource->reset (mmap_resource);
return gdb::array_view<const gdb_byte>
((const gdb_byte *) mmap_resource->mapping.get (),
mmap_resource->mapping.size ());
}
catch (const gdb_exception_error &except)
{
if (debug_index_cache)
printf_unfiltered ("index cache: couldn't read %s: %s\n",
filename.c_str (), except.what ());
}
return {};
}
#else /* !HAVE_SYS_MMAN_H */
/* See dwarf-index-cache.h. This is a no-op on unsupported systems. */
gdb::array_view<const gdb_byte>
index_cache::lookup_gdb_index (const bfd_build_id *build_id,
std::unique_ptr<index_cache_resource> *resource)
{
return {};
}
#endif
/* See dwarf-index-cache.h. */
std::string
index_cache::make_index_filename (const bfd_build_id *build_id,
const char *suffix) const
{
std::string build_id_str = build_id_to_string (build_id);
return m_dir + SLASH_STRING + build_id_str + suffix;
}
/* "set index-cache" handler. */
static void
set_index_cache_command (const char *arg, int from_tty)
{
printf_unfiltered (_("\
Missing arguments. See \"help set index-cache\" for help.\n"));
}
/* True when we are executing "show index-cache". This is used to improve the
printout a little bit. */
static bool in_show_index_cache_command = false;
/* "show index-cache" handler. */
static void
show_index_cache_command (const char *arg, int from_tty)
{
/* Note that we are executing "show index-cache". */
auto restore_flag = make_scoped_restore (&in_show_index_cache_command, true);
/* Call all "show index-cache" subcommands. */
cmd_show_list (show_index_cache_prefix_list, from_tty, "");
printf_unfiltered ("\n");
printf_unfiltered
(_("The index cache is currently %s.\n"),
global_index_cache.enabled () ? _("enabled") : _("disabled"));
}
/* "set index-cache on" handler. */
static void
set_index_cache_on_command (const char *arg, int from_tty)
{
global_index_cache.enable ();
}
/* "set index-cache off" handler. */
static void
set_index_cache_off_command (const char *arg, int from_tty)
{
global_index_cache.disable ();
}
/* "set index-cache directory" handler. */
static void
set_index_cache_directory_command (const char *arg, int from_tty,
cmd_list_element *element)
{
/* Make sure the index cache directory is absolute and tilde-expanded. */
gdb::unique_xmalloc_ptr<char> abs (gdb_abspath (index_cache_directory));
xfree (index_cache_directory);
index_cache_directory = abs.release ();
global_index_cache.set_directory (index_cache_directory);
}
/* "show index-cache stats" handler. */
static void
show_index_cache_stats_command (const char *arg, int from_tty)
{
const char *indent = "";
/* 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);
}