309 lines
8.7 KiB
C
309 lines
8.7 KiB
C
/* Support for GDB maintenance commands.
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Copyright (C) 1992 Free Software Foundation, Inc.
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Written by Fred Fish at Cygnus Support.
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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 2 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, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: maint.c,v 1.1 1994/01/28 12:40:13 pk Exp $
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*/
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#include "defs.h"
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#if MAINTENANCE_CMDS /* Entire file goes away if not including maint cmds */
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#include <signal.h>
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#include "command.h"
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#include "gdbcmd.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "demangle.h"
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#include "gdbcore.h"
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static void
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maintenance_command PARAMS ((char *, int));
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static void
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maintenance_dump_me PARAMS ((char *, int));
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static void
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maintenance_demangle PARAMS ((char *, int));
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/*
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LOCAL FUNCTION
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maintenance_command -- access the maintenance subcommands
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SYNOPSIS
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void maintenance_command (char *args, int from_tty)
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DESCRIPTION
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*/
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static void
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maintenance_command (args, from_tty)
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char *args;
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int from_tty;
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{
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printf ("\"maintenance\" must be followed by the name of a maintenance command.\n");
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help_list (maintenancelist, "maintenance ", -1, stdout);
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}
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/* ARGSUSED */
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static void
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maintenance_dump_me (args, from_tty)
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char *args;
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int from_tty;
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{
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if (query ("Should GDB dump core? "))
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{
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signal (SIGQUIT, SIG_DFL);
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kill (getpid (), SIGQUIT);
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}
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}
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/* Someday we should allow demangling for things other than just
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explicit strings. For example, we might want to be able to
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specify the address of a string in either GDB's process space
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or the debuggee's process space, and have gdb fetch and demangle
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that string. If we have a char* pointer "ptr" that points to
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a string, we might want to be able to given just the name and
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have GDB demangle and print what it points to, etc. (FIXME) */
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static void
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maintenance_demangle (args, from_tty)
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char *args;
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int from_tty;
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{
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char *demangled;
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if (args == NULL || *args == '\0')
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{
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printf ("\"maintenance demangle\" takes an argument to demangle.\n");
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}
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else
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{
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demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS);
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if (demangled != NULL)
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{
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printf ("%s\n", demangled);
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free (demangled);
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}
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else
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{
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printf ("Can't demangle \"%s\"\n", args);
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}
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}
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}
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/* The "maintenance info" command is defined as a prefix, with allow_unknown 0.
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Therefore, its own definition is called only for "maintenance info" with
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no args. */
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/* ARGSUSED */
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static void
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maintenance_info_command (arg, from_tty)
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char *arg;
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int from_tty;
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{
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printf ("\"maintenance info\" must be followed by the name of an info command.\n");
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help_list (maintenanceinfolist, "maintenance info ", -1, stdout);
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}
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static void
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print_section_table (abfd, asect, ignore)
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bfd *abfd;
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asection *asect;
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PTR ignore;
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{
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flagword flags;
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flags = bfd_get_section_flags (abfd, asect);
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printf_filtered (" %s",
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local_hex_string_custom
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((unsigned long) bfd_section_vma (abfd, asect), "08l"));
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printf_filtered ("->%s",
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local_hex_string_custom
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((unsigned long) (bfd_section_vma (abfd, asect)
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+ bfd_section_size (abfd, asect)),
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"08l"));
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printf_filtered (" at %s",
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local_hex_string_custom
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((unsigned long) asect->filepos, "08l"));
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printf_filtered (": %s", bfd_section_name (abfd, asect));
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if (flags & SEC_ALLOC)
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printf_filtered (" ALLOC");
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if (flags & SEC_LOAD)
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printf_filtered (" LOAD");
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if (flags & SEC_RELOC)
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printf_filtered (" RELOC");
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if (flags & SEC_READONLY)
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printf_filtered (" READONLY");
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if (flags & SEC_CODE)
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printf_filtered (" CODE");
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if (flags & SEC_DATA)
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printf_filtered (" DATA");
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if (flags & SEC_ROM)
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printf_filtered (" ROM");
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if (flags & SEC_CONSTRUCTOR)
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printf_filtered (" CONSTRUCTOR");
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if (flags & SEC_HAS_CONTENTS)
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printf_filtered (" HAS_CONTENTS");
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if (flags & SEC_NEVER_LOAD)
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printf_filtered (" NEVER_LOAD");
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if (flags & SEC_SHARED_LIBRARY)
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printf_filtered (" SHARED_LIBRARY");
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if (flags & SEC_IS_COMMON)
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printf_filtered (" IS_COMMON");
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printf_filtered ("\n");
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}
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/* ARGSUSED */
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static void
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maintenance_info_sections (arg, from_tty)
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char *arg;
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int from_tty;
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{
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if (exec_bfd)
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{
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printf_filtered ("Exec file:\n");
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printf_filtered (" `%s', ", bfd_get_filename(exec_bfd));
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wrap_here (" ");
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printf_filtered ("file type %s.\n", bfd_get_target(exec_bfd));
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bfd_map_over_sections(exec_bfd, print_section_table, 0);
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}
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if (core_bfd)
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{
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printf_filtered ("Core file:\n");
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printf_filtered (" `%s', ", bfd_get_filename(core_bfd));
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wrap_here (" ");
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printf_filtered ("file type %s.\n", bfd_get_target(core_bfd));
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bfd_map_over_sections(core_bfd, print_section_table, 0);
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}
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}
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/* The "maintenance print" command is defined as a prefix, with allow_unknown
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0. Therefore, its own definition is called only for "maintenance print"
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with no args. */
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/* ARGSUSED */
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static void
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maintenance_print_command (arg, from_tty)
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char *arg;
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int from_tty;
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{
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printf ("\"maintenance print\" must be followed by the name of a print command.\n");
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help_list (maintenanceprintlist, "maintenance print ", -1, stdout);
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}
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/*
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GLOBAL FUNCTION
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_initialize_maint_cmds -- initialize the process file system stuff
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SYNOPSIS
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void _initialize_maint_cmds (void)
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DESCRIPTION
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Do required initializations during gdb startup for using the
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/proc file system interface.
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*/
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void
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_initialize_maint_cmds ()
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{
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add_prefix_cmd ("maintenance", class_maintenance, maintenance_command,
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"Commands for use by GDB maintainers.\n\
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Includes commands to dump specific internal GDB structures in\n\
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a human readable form, to cause GDB to deliberately dump core,\n\
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to test internal functions such as the C++ demangler, etc.",
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&maintenancelist, "maintenance ", 0,
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&cmdlist);
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add_com_alias ("mt", "maintenance", class_maintenance, 1);
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add_prefix_cmd ("info", class_maintenance, maintenance_info_command,
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"Commands for showing internal info about the program being debugged.",
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&maintenanceinfolist, "maintenance info ", 0,
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&maintenancelist);
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add_cmd ("sections", class_maintenance, maintenance_info_sections,
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"List the BFD sections of the exec and core files.",
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&maintenanceinfolist);
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add_prefix_cmd ("print", class_maintenance, maintenance_print_command,
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"Maintenance command for printing GDB internal state.",
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&maintenanceprintlist, "maintenance print ", 0,
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&maintenancelist);
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add_cmd ("dump-me", class_maintenance, maintenance_dump_me,
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"Get fatal error; make debugger dump its core.\n\
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GDB sets it's handling of SIGQUIT back to SIG_DFL and then sends\n\
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itself a SIGQUIT signal.",
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&maintenancelist);
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add_cmd ("demangle", class_maintenance, maintenance_demangle,
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"Demangle a C++ mangled name.\n\
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Call internal GDB demangler routine to demangle a C++ link name\n\
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and prints the result.",
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&maintenancelist);
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add_cmd ("type", class_maintenance, maintenance_print_type,
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"Print a type chain for a given symbol.\n\
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For each node in a type chain, print the raw data for each member of\n\
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the type structure, and the interpretation of the data.",
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&maintenanceprintlist);
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add_cmd ("symbols", class_maintenance, maintenance_print_symbols,
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"Print dump of current symbol definitions.\n\
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Entries in the full symbol table are dumped to file OUTFILE.\n\
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If a SOURCE file is specified, dump only that file's symbols.",
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&maintenanceprintlist);
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add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols,
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"Print dump of current minimal symbol definitions.\n\
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Entries in the minimal symbol table are dumped to file OUTFILE.\n\
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If a SOURCE file is specified, dump only that file's minimal symbols.",
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&maintenanceprintlist);
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add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols,
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"Print dump of current partial symbol definitions.\n\
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Entries in the partial symbol table are dumped to file OUTFILE.\n\
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If a SOURCE file is specified, dump only that file's partial symbols.",
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&maintenanceprintlist);
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add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
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"Print dump of current object file definitions.",
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&maintenanceprintlist);
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}
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#endif /* MAINTENANCE_CMDS */
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