/* Support for GDB maintenance commands.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright 1992, 1993, 1994 Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support.
-This file is part of GDB.
+ 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 2 of the License, or
-(at your option) any later version.
+ 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 2 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.
+ 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, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
-
-#if MAINTENANCE_CMDS /* Entire file goes away if not including maint cmds */
-
+#include <ctype.h>
#include <signal.h>
#include "command.h"
#include "gdbcmd.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "demangle.h"
+#include "gdbcore.h"
+#include "expression.h" /* For language.h */
+#include "language.h"
+#include "symfile.h"
+#include "objfiles.h"
+#include "value.h"
-static void
-maintenance_command PARAMS ((char *, int));
+extern void _initialize_maint_cmds (void);
-static void
-maintenance_dump_me PARAMS ((char *, int));
+static void maintenance_command (char *, int);
-static void
-maintenance_demangle PARAMS ((char *, int));
+static void maintenance_dump_me (char *, int);
+
+static void maintenance_internal_error (char *args, int from_tty);
+
+static void maintenance_demangle (char *, int);
+
+static void maintenance_time_display (char *, int);
+
+static void maintenance_space_display (char *, int);
+
+static void maintenance_info_command (char *, int);
+
+static void print_section_table (bfd *, asection *, PTR);
+
+static void maintenance_info_sections (char *, int);
+
+static void maintenance_print_command (char *, int);
+
+static void maintenance_do_deprecate (char *, int);
+
+/* Set this to the maximum number of seconds to wait instead of waiting forever
+ in target_wait(). If this timer times out, then it generates an error and
+ the command is aborted. This replaces most of the need for timeouts in the
+ GDB test suite, and makes it possible to distinguish between a hung target
+ and one with slow communications. */
+
+int watchdog = 0;
/*
-LOCAL FUNCTION
+ LOCAL FUNCTION
- maintenance_command -- access the maintenance subcommands
+ maintenance_command -- access the maintenance subcommands
-SYNOPSIS
+ SYNOPSIS
- void maintenance_command (char *args, int from_tty)
+ void maintenance_command (char *args, int from_tty)
-DESCRIPTION
+ DESCRIPTION
-*/
+ */
static void
-maintenance_command (args, from_tty)
- char *args;
- int from_tty;
+maintenance_command (char *args, int from_tty)
{
- printf ("\"maintenance\" must be followed by the name of a maintenance command.\n");
- help_list (maintenancelist, "maintenance ", -1, stdout);
+ printf_unfiltered ("\"maintenance\" must be followed by the name of a maintenance command.\n");
+ help_list (maintenancelist, "maintenance ", -1, gdb_stdout);
}
-
+#ifndef _WIN32
/* ARGSUSED */
static void
-maintenance_dump_me (args, from_tty)
- char *args;
- int from_tty;
+maintenance_dump_me (char *args, int from_tty)
{
if (query ("Should GDB dump core? "))
{
+#ifdef __DJGPP__
+ /* SIGQUIT by default is ignored, so use SIGABRT instead. */
+ signal (SIGABRT, SIG_DFL);
+ kill (getpid (), SIGABRT);
+#else
signal (SIGQUIT, SIG_DFL);
kill (getpid (), SIGQUIT);
+#endif
}
}
+#endif
-/* Someday we should allow demangling for things other than just
- explicit strings. For example, we might want to be able to
- specify the address of a string in either GDB's process space
- or the debuggee's process space, and have gdb fetch and demangle
- that string. If we have a char* pointer "ptr" that points to
- a string, we might want to be able to given just the name and
- have GDB demangle and print what it points to, etc. (FIXME) */
+/* Stimulate the internal error mechanism that GDB uses when an
+ internal problem is detected. Allows testing of the mechanism.
+ Also useful when the user wants to drop a core file but not exit
+ GDB. */
static void
-maintenance_demangle (args, from_tty)
- char *args;
- int from_tty;
+maintenance_internal_error (char *args, int from_tty)
+{
+ internal_error ("internal maintenance");
+}
+
+/* Someday we should allow demangling for things other than just
+ explicit strings. For example, we might want to be able to specify
+ the address of a string in either GDB's process space or the
+ debuggee's process space, and have gdb fetch and demangle that
+ string. If we have a char* pointer "ptr" that points to a string,
+ we might want to be able to given just the name and have GDB
+ demangle and print what it points to, etc. (FIXME) */
+
+static void
+maintenance_demangle (char *args, int from_tty)
{
char *demangled;
if (args == NULL || *args == '\0')
{
- printf ("\"maintenance demangle\" takes an argument to demangle.\n");
+ printf_unfiltered ("\"maintenance demangle\" takes an argument to demangle.\n");
}
else
{
demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS);
if (demangled != NULL)
{
- printf ("%s\n", demangled);
- free (demangled);
+ printf_unfiltered ("%s\n", demangled);
+ xfree (demangled);
}
else
{
- printf ("Can't demangle \"%s\"\n", args);
+ printf_unfiltered ("Can't demangle \"%s\"\n", args);
}
}
}
-/* The "maintenance info" command is defined as a prefix, with allow_unknown 0.
- Therefore, its own definition is called only for "maintenance info" with
- no args. */
+static void
+maintenance_time_display (char *args, int from_tty)
+{
+ extern int display_time;
+
+ if (args == NULL || *args == '\0')
+ printf_unfiltered ("\"maintenance time\" takes a numeric argument.\n");
+ else
+ display_time = strtol (args, NULL, 10);
+}
+
+static void
+maintenance_space_display (char *args, int from_tty)
+{
+ extern int display_space;
+
+ if (args == NULL || *args == '\0')
+ printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n");
+ else
+ display_space = strtol (args, NULL, 10);
+}
+
+/* The "maintenance info" command is defined as a prefix, with
+ allow_unknown 0. Therefore, its own definition is called only for
+ "maintenance info" with no args. */
/* ARGSUSED */
static void
-maintenance_info_command (arg, from_tty)
- char *arg;
- int from_tty;
+maintenance_info_command (char *arg, int from_tty)
{
- printf ("\"maintenance info\" must be followed by the name of an info command.\n");
- help_list (maintenanceinfolist, "maintenance info ", -1, stdout);
+ printf_unfiltered ("\"maintenance info\" must be followed by the name of an info command.\n");
+ help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout);
}
-/* The "maintenance print" command is defined as a prefix, with allow_unknown
- 0. Therefore, its own definition is called only for "maintenance print"
- with no args. */
+static void
+print_section_table (bfd *abfd, asection *asect, PTR ignore)
+{
+ flagword flags;
+
+ flags = bfd_get_section_flags (abfd, asect);
+
+ /* FIXME-32x64: Need print_address_numeric with field width. */
+ printf_filtered (" %s",
+ local_hex_string_custom
+ ((unsigned long) bfd_section_vma (abfd, asect), "08l"));
+ printf_filtered ("->%s",
+ local_hex_string_custom
+ ((unsigned long) (bfd_section_vma (abfd, asect)
+ + bfd_section_size (abfd, asect)),
+ "08l"));
+ printf_filtered (" at %s",
+ local_hex_string_custom
+ ((unsigned long) asect->filepos, "08l"));
+ printf_filtered (": %s", bfd_section_name (abfd, asect));
+
+ if (flags & SEC_ALLOC)
+ printf_filtered (" ALLOC");
+ if (flags & SEC_LOAD)
+ printf_filtered (" LOAD");
+ if (flags & SEC_RELOC)
+ printf_filtered (" RELOC");
+ if (flags & SEC_READONLY)
+ printf_filtered (" READONLY");
+ if (flags & SEC_CODE)
+ printf_filtered (" CODE");
+ if (flags & SEC_DATA)
+ printf_filtered (" DATA");
+ if (flags & SEC_ROM)
+ printf_filtered (" ROM");
+ if (flags & SEC_CONSTRUCTOR)
+ printf_filtered (" CONSTRUCTOR");
+ if (flags & SEC_HAS_CONTENTS)
+ printf_filtered (" HAS_CONTENTS");
+ if (flags & SEC_NEVER_LOAD)
+ printf_filtered (" NEVER_LOAD");
+ if (flags & SEC_COFF_SHARED_LIBRARY)
+ printf_filtered (" COFF_SHARED_LIBRARY");
+ if (flags & SEC_IS_COMMON)
+ printf_filtered (" IS_COMMON");
+
+ printf_filtered ("\n");
+}
/* ARGSUSED */
static void
-maintenance_print_command (arg, from_tty)
- char *arg;
- int from_tty;
+maintenance_info_sections (char *arg, int from_tty)
{
- printf ("\"maintenance print\" must be followed by the name of a print command.\n");
- help_list (maintenanceprintlist, "maintenance print ", -1, stdout);
+ if (exec_bfd)
+ {
+ printf_filtered ("Exec file:\n");
+ printf_filtered (" `%s', ", bfd_get_filename (exec_bfd));
+ wrap_here (" ");
+ printf_filtered ("file type %s.\n", bfd_get_target (exec_bfd));
+ bfd_map_over_sections (exec_bfd, print_section_table, 0);
+ }
+
+ if (core_bfd)
+ {
+ printf_filtered ("Core file:\n");
+ printf_filtered (" `%s', ", bfd_get_filename (core_bfd));
+ wrap_here (" ");
+ printf_filtered ("file type %s.\n", bfd_get_target (core_bfd));
+ bfd_map_over_sections (core_bfd, print_section_table, 0);
+ }
}
-/*
+/* ARGSUSED */
+void
+maintenance_print_statistics (char *args, int from_tty)
+{
+ print_objfile_statistics ();
+ print_symbol_bcache_statistics ();
+}
+
+void
+maintenance_print_architecture (char *args, int from_tty)
+{
+ if (args == NULL)
+ gdbarch_dump (current_gdbarch, gdb_stdout);
+ else
+ {
+ struct ui_file *file = gdb_fopen (args, "w");
+ if (file == NULL)
+ perror_with_name ("maintenance print architecture");
+ gdbarch_dump (current_gdbarch, file);
+ ui_file_delete (file);
+ }
+}
-GLOBAL FUNCTION
+/* The "maintenance print" command is defined as a prefix, with
+ allow_unknown 0. Therefore, its own definition is called only for
+ "maintenance print" with no args. */
- _initialize_maint_cmds -- initialize the process file system stuff
+/* ARGSUSED */
+static void
+maintenance_print_command (char *arg, int from_tty)
+{
+ printf_unfiltered ("\"maintenance print\" must be followed by the name of a print command.\n");
+ help_list (maintenanceprintlist, "maintenance print ", -1, gdb_stdout);
+}
-SYNOPSIS
+/* The "maintenance translate-address" command converts a section and address
+ to a symbol. This can be called in two ways:
+ maintenance translate-address <secname> <addr>
+ or maintenance translate-address <addr>
+ */
- void _initialize_maint_cmds (void)
+static void
+maintenance_translate_address (char *arg, int from_tty)
+{
+ CORE_ADDR address;
+ asection *sect;
+ char *p;
+ struct minimal_symbol *sym;
+ struct objfile *objfile;
+
+ if (arg == NULL || *arg == 0)
+ error ("requires argument (address or section + address)");
+
+ sect = NULL;
+ p = arg;
+
+ if (!isdigit (*p))
+ { /* See if we have a valid section name */
+ while (*p && !isspace (*p)) /* Find end of section name */
+ p++;
+ if (*p == '\000') /* End of command? */
+ error ("Need to specify <section-name> and <address>");
+ *p++ = '\000';
+ while (isspace (*p))
+ p++; /* Skip whitespace */
+
+ ALL_OBJFILES (objfile)
+ {
+ sect = bfd_get_section_by_name (objfile->obfd, arg);
+ if (sect != NULL)
+ break;
+ }
+
+ if (!sect)
+ error ("Unknown section %s.", arg);
+ }
+
+ address = parse_and_eval_address (p);
-DESCRIPTION
+ if (sect)
+ sym = lookup_minimal_symbol_by_pc_section (address, sect);
+ else
+ sym = lookup_minimal_symbol_by_pc (address);
+
+ if (sym)
+ printf_filtered ("%s+%s\n",
+ SYMBOL_SOURCE_NAME (sym),
+ paddr_u (address - SYMBOL_VALUE_ADDRESS (sym)));
+ else if (sect)
+ printf_filtered ("no symbol at %s:0x%s\n", sect->name, paddr (address));
+ else
+ printf_filtered ("no symbol at 0x%s\n", paddr (address));
- Do required initializations during gdb startup for using the
- /proc file system interface.
+ return;
+}
-*/
+
+/* When a comamnd is deprecated the user will be warned the first time
+ the command is used. If possible, a replacement will be
+ offered. */
+
+static void
+maintenance_deprecate (char *args, int from_tty)
+{
+ if (args == NULL || *args == '\0')
+ {
+ printf_unfiltered ("\"maintenance deprecate\" takes an argument, \n\
+the command you want to deprecate, and optionally the replacement command \n\
+enclosed in quotes.\n");
+ }
+
+ maintenance_do_deprecate (args, 1);
+
+}
+
+
+static void
+maintenance_undeprecate (char *args, int from_tty)
+{
+ if (args == NULL || *args == '\0')
+ {
+ printf_unfiltered ("\"maintenance undeprecate\" takes an argument, \n\
+the command you want to undeprecate.\n");
+ }
+
+ maintenance_do_deprecate (args, 0);
+
+}
+
+/* You really shouldn't be using this. It is just for the testsuite.
+ Rather, you should use deprecate_cmd() when the command is created
+ in _initialize_blah().
+
+ This function deprecates a command and optionally assigns it a
+ replacement. */
+
+static void
+maintenance_do_deprecate (char *text, int deprecate)
+{
+
+ struct cmd_list_element *alias = NULL;
+ struct cmd_list_element *prefix_cmd = NULL;
+ struct cmd_list_element *cmd = NULL;
+
+ char *start_ptr = NULL;
+ char *end_ptr = NULL;
+ int len;
+ char *replacement = NULL;
+
+ if (text == NULL)
+ return;
+
+ if (!lookup_cmd_composition (text, &alias, &prefix_cmd, &cmd))
+ {
+ printf_filtered ("Can't find command '%s' to deprecate.\n", text);
+ return;
+ }
+
+ if (deprecate)
+ {
+ /* look for a replacement command */
+ start_ptr = strchr (text, '\"');
+ if (start_ptr != NULL)
+ {
+ start_ptr++;
+ end_ptr = strrchr (start_ptr, '\"');
+ if (end_ptr != NULL)
+ {
+ len = end_ptr - start_ptr;
+ start_ptr[len] = '\0';
+ replacement = xstrdup (start_ptr);
+ }
+ }
+ }
+
+ if (!start_ptr || !end_ptr)
+ replacement = NULL;
+
+
+ /* If they used an alias, we only want to deprecate the alias.
+
+ Note the MALLOCED_REPLACEMENT test. If the command's replacement
+ string was allocated at compile time we don't want to free the
+ memory. */
+ if (alias)
+ {
+
+ if (alias->flags & MALLOCED_REPLACEMENT)
+ xfree (alias->replacement);
+
+ if (deprecate)
+ alias->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ else
+ alias->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ alias->replacement = replacement;
+ alias->flags |= MALLOCED_REPLACEMENT;
+ return;
+ }
+ else if (cmd)
+ {
+ if (cmd->flags & MALLOCED_REPLACEMENT)
+ xfree (cmd->replacement);
+
+ if (deprecate)
+ cmd->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ else
+ cmd->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ cmd->replacement = replacement;
+ cmd->flags |= MALLOCED_REPLACEMENT;
+ return;
+ }
+}
void
-_initialize_maint_cmds ()
+_initialize_maint_cmds (void)
{
add_prefix_cmd ("maintenance", class_maintenance, maintenance_command,
"Commands for use by GDB maintainers.\n\
&maintenancelist, "maintenance ", 0,
&cmdlist);
- add_com_alias ("mt", "maintenance", class_maintenance, 0);
+ add_com_alias ("mt", "maintenance", class_maintenance, 1);
- add_prefix_cmd ("info", class_info, maintenance_info_command,
- "Commands for showing things about the program being debugged.",
+ add_prefix_cmd ("info", class_maintenance, maintenance_info_command,
+ "Commands for showing internal info about the program being debugged.",
&maintenanceinfolist, "maintenance info ", 0,
&maintenancelist);
+ add_alias_cmd ("i", "info", class_maintenance, 1, &maintenancelist);
+
+ add_cmd ("sections", class_maintenance, maintenance_info_sections,
+ "List the BFD sections of the exec and core files.",
+ &maintenanceinfolist);
add_prefix_cmd ("print", class_maintenance, maintenance_print_command,
"Maintenance command for printing GDB internal state.",
&maintenanceprintlist, "maintenance print ", 0,
&maintenancelist);
+#ifndef _WIN32
add_cmd ("dump-me", class_maintenance, maintenance_dump_me,
"Get fatal error; make debugger dump its core.\n\
GDB sets it's handling of SIGQUIT back to SIG_DFL and then sends\n\
itself a SIGQUIT signal.",
&maintenancelist);
+#endif
+
+ add_cmd ("internal-error", class_maintenance, maintenance_internal_error,
+ "Give GDB an internal error.\n\
+Cause GDB to behave as if an internal error was detected.",
+ &maintenancelist);
add_cmd ("demangle", class_maintenance, maintenance_demangle,
"Demangle a C++ mangled name.\n\
and prints the result.",
&maintenancelist);
+ add_cmd ("time", class_maintenance, maintenance_time_display,
+ "Set the display of time usage.\n\
+If nonzero, will cause the execution time for each command to be\n\
+displayed, following the command's output.",
+ &maintenancelist);
+
+ add_cmd ("space", class_maintenance, maintenance_space_display,
+ "Set the display of space usage.\n\
+If nonzero, will cause the execution space for each command to be\n\
+displayed, following the command's output.",
+ &maintenancelist);
+
add_cmd ("type", class_maintenance, maintenance_print_type,
"Print a type chain for a given symbol.\n\
For each node in a type chain, print the raw data for each member of\n\
"Print dump of current object file definitions.",
&maintenanceprintlist);
-}
+ add_cmd ("statistics", class_maintenance, maintenance_print_statistics,
+ "Print statistics about internal gdb state.",
+ &maintenanceprintlist);
+
+ add_cmd ("architecture", class_maintenance, maintenance_print_architecture,
+ "Print the internal architecture configuration.\
+Takes an optional file parameter.",
+ &maintenanceprintlist);
+
+ add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs,
+ "Check consistency of psymtabs and symtabs.",
+ &maintenancelist);
+
+ add_cmd ("translate-address", class_maintenance, maintenance_translate_address,
+ "Translate a section name and address to a symbol.",
+ &maintenancelist);
+
+ add_cmd ("deprecate", class_maintenance, maintenance_deprecate,
+ "Deprecate a command. Note that this is just in here so the \n\
+testsuite can check the comamnd deprecator. You probably shouldn't use this,\n\
+rather you should use the C function deprecate_cmd(). If you decide you \n\
+want to use it: maintenance deprecate 'commandname' \"replacement\". The \n\
+replacement is optional.", &maintenancelist);
+
+ add_cmd ("undeprecate", class_maintenance, maintenance_undeprecate,
+ "Undeprecate a command. Note that this is just in here so the \n\
+testsuite can check the comamnd deprecator. You probably shouldn't use this,\n\
+If you decide you want to use it: maintenance undeprecate 'commandname'",
+ &maintenancelist);
-#endif /* MAINTENANCE_CMDS */
+ add_show_from_set (
+ add_set_cmd ("watchdog", class_maintenance, var_zinteger, (char *) &watchdog,
+ "Set watchdog timer.\n\
+When non-zero, this timeout is used instead of waiting forever for a target to\n\
+finish a low-level step or continue operation. If the specified amount of time\n\
+passes without a response from the target, an error occurs.", &setlist),
+ &showlist);
+}
projects / deliverable / binutils-gdb.git / blobdiff