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diff --git a/gdb/demangle.c b/gdb/demangle.c
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-/* Basic C++ demangling support for GDB.
-
- Copyright (C) 1991-2019 Free Software Foundation, Inc.
-
- Written by Fred Fish at Cygnus Support.
-
- 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/>. */
-
-
-/* This file contains support code for C++ demangling that is common
- to a styles of demangling, and GDB specific. */
-
-#include "defs.h"
-#include "cli/cli-utils.h" /* for skip_to_space */
-#include "command.h"
-#include "gdbcmd.h"
-#include "demangle.h"
-#include "gdb-demangle.h"
-#include "language.h"
-
-/* Select the default C++ demangling style to use. The default is "auto",
- which allows gdb to attempt to pick an appropriate demangling style for
- the executable it has loaded. It can be set to a specific style ("gnu",
- "lucid", "arm", "hp", etc.) in which case gdb will never attempt to do auto
- selection of the style unless you do an explicit "set demangle auto".
- To select one of these as the default, set DEFAULT_DEMANGLING_STYLE in
- the appropriate target configuration file. */
-
-#ifndef DEFAULT_DEMANGLING_STYLE
-#define DEFAULT_DEMANGLING_STYLE AUTO_DEMANGLING_STYLE_STRING
-#endif
-
-/* See documentation in gdb-demangle.h. */
-bool demangle = true;
-
-static void
-show_demangle (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
-{
- fprintf_filtered (file,
- _("Demangling of encoded C++/ObjC names "
- "when displaying symbols is %s.\n"),
- value);
-}
-
-/* See documentation in gdb-demangle.h. */
-bool asm_demangle = false;
-
-static void
-show_asm_demangle (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
-{
- fprintf_filtered (file,
- _("Demangling of C++/ObjC names in "
- "disassembly listings is %s.\n"),
- value);
-}
-
-/* String name for the current demangling style. Set by the
- "set demangle-style" command, printed as part of the output by the
- "show demangle-style" command. */
-
-static const char *current_demangling_style_string;
-
-/* The array of names of the known demangling styles. Generated by
- _initialize_demangler from libiberty_demanglers[] array. */
-
-static const char **demangling_style_names;
-static void
-show_demangling_style_names(struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
-{
- fprintf_filtered (file, _("The current C++ demangling style is \"%s\".\n"),
- value);
-}
-
-/* Set current demangling style. Called by the "set demangle-style"
- command after it has updated the current_demangling_style_string to
- match what the user has entered.
-
- If the user has entered a string that matches a known demangling style
- name in the demanglers[] array then just leave the string alone and update
- the current_demangling_style enum value to match.
-
- If the user has entered a string that doesn't match, including an empty
- string, then print a list of the currently known styles and restore
- the current_demangling_style_string to match the current_demangling_style
- enum value.
-
- Note: Assumes that current_demangling_style_string always points to
- a malloc'd string, even if it is a null-string. */
-
-static void
-set_demangling_command (const char *ignore,
- int from_tty, struct cmd_list_element *c)
-{
- const struct demangler_engine *dem;
- int i;
-
- /* First just try to match whatever style name the user supplied with
- one of the known ones. Don't bother special casing for an empty
- name, we just treat it as any other style name that doesn't match.
- If we match, update the current demangling style enum. */
-
- for (dem = libiberty_demanglers, i = 0;
- dem->demangling_style != unknown_demangling;
- dem++)
- {
- if (strcmp (current_demangling_style_string,
- dem->demangling_style_name) == 0)
- {
- current_demangling_style = dem->demangling_style;
- current_demangling_style_string = demangling_style_names[i];
- break;
- }
- i++;
- }
-
- /* We should have found a match, given we only add known styles to
- the enumeration list. */
- gdb_assert (dem->demangling_style != unknown_demangling);
-}
-
-/* G++ uses a special character to indicate certain internal names. Which
- character it is depends on the platform:
- - Usually '$' on systems where the assembler will accept that
- - Usually '.' otherwise (this includes most sysv4-like systems and most
- ELF targets)
- - Occasionally '_' if neither of the above is usable
-
- We check '$' first because it is the safest, and '.' often has another
- meaning. We don't currently try to handle '_' because the precise forms
- of the names are different on those targets. */
-
-static char cplus_markers[] = {'$', '.', '\0'};
-
-/* See documentation in gdb-demangle.h. */
-
-int
-is_cplus_marker (int c)
-{
- return c && strchr (cplus_markers, c) != NULL;
-}
-
-/* Demangle the given string in the current language. */
-
-static void
-demangle_command (const char *args, int from_tty)
-{
- char *demangled;
- const char *name;
- const char *arg_start;
- int processing_args = 1;
- const struct language_defn *lang;
-
- std::string arg_buf = args != NULL ? args : "";
- arg_start = arg_buf.c_str ();
-
- std::string lang_name;
- while (processing_args
- && *arg_start == '-')
- {
- const char *p = skip_to_space (arg_start);
-
- if (strncmp (arg_start, "-l", p - arg_start) == 0)
- lang_name = extract_arg (&p);
- else if (strncmp (arg_start, "--", p - arg_start) == 0)
- processing_args = 0;
- else
- report_unrecognized_option_error ("demangle", arg_start);
-
- arg_start = skip_spaces (p);
- }
-
- name = arg_start;
-
- if (*name == '\0')
- error (_("Usage: demangle [-l LANGUAGE] [--] NAME"));
-
- if (!lang_name.empty ())
- {
- enum language lang_enum;
-
- lang_enum = language_enum (lang_name.c_str ());
- if (lang_enum == language_unknown)
- error (_("Unknown language \"%s\""), lang_name.c_str ());
- lang = language_def (lang_enum);
- }
- else
- lang = current_language;
-
- demangled = language_demangle (lang, name, DMGL_ANSI | DMGL_PARAMS);
- if (demangled != NULL)
- {
- printf_filtered ("%s\n", demangled);
- xfree (demangled);
- }
- else
- error (_("Can't demangle \"%s\""), name);
-}
-
-void
-_initialize_demangler (void)
-{
- int i, ndems;
-
- /* Fill the demangling_style_names[] array, and set the default
- demangling style chosen at compilation time. */
- for (ndems = 0;
- libiberty_demanglers[ndems].demangling_style != unknown_demangling;
- ndems++)
- ;
- demangling_style_names = XCNEWVEC (const char *, ndems + 1);
- for (i = 0;
- libiberty_demanglers[i].demangling_style != unknown_demangling;
- i++)
- {
- demangling_style_names[i]
- = xstrdup (libiberty_demanglers[i].demangling_style_name);
-
- if (current_demangling_style_string == NULL
- && strcmp (DEFAULT_DEMANGLING_STYLE, demangling_style_names[i]) == 0)
- current_demangling_style_string = demangling_style_names[i];
- }
-
- add_setshow_boolean_cmd ("demangle", class_support, &demangle, _("\
-Set demangling of encoded C++/ObjC names when displaying symbols."), _("\
-Show demangling of encoded C++/ObjC names when displaying symbols."), NULL,
- NULL,
- show_demangle,
- &setprintlist, &showprintlist);
-
- add_setshow_boolean_cmd ("asm-demangle", class_support, &asm_demangle, _("\
-Set demangling of C++/ObjC names in disassembly listings."), _("\
-Show demangling of C++/ObjC names in disassembly listings."), NULL,
- NULL,
- show_asm_demangle,
- &setprintlist, &showprintlist);
-
- add_setshow_enum_cmd ("demangle-style", class_support,
- demangling_style_names,
- &current_demangling_style_string, _("\
-Set the current C++ demangling style."), _("\
-Show the current C++ demangling style."), _("\
-Use `set demangle-style' without arguments for a list of demangling styles."),
- set_demangling_command,
- show_demangling_style_names,
- &setlist, &showlist);
-
- add_cmd ("demangle", class_support, demangle_command, _("\
-Demangle a mangled name.\n\
-Usage: demangle [-l LANGUAGE] [--] NAME\n\
-If LANGUAGE is not specified, NAME is demangled in the current language."),
- &cmdlist);
-}
generated by cgit v1.1 at 2025-05-02 15:34:17 +0000