* command.c (lookup_cmd_1): Clarify descriptive comments.
* gdbcmd.h (maintenanceprintlist): Add declaration. * main.c (maintenanceprintlist): Add definition. * main.c (gdb_completer_command_word_break_characters): Add. * main.c (symbol_completion_function): Switch completer word break character sets dynamically, based on whether completion is being done on commands or on something else. * main.c (initialize_cmd_lists): Init maintenanceprintlist. * maint.c: Include demangle.h. * maint.c (maintenance_demangle): New function. * maint.c (maintenance_print_command): New function. * maint.c (_initialize_maint_cmds): Reorganize some commands under new maintenance print subcommand.
This commit is contained in:
Fred Fish
parent
5c5b5d4b0e
commit
311592ff50
@ -1,3 +1,19 @@
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Fri Jul 10 10:19:52 1992 Fred Fish (fnf@cygnus.com)
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* command.c (lookup_cmd_1): Clarify descriptive comments.
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* gdbcmd.h (maintenanceprintlist): Add declaration.
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* main.c (maintenanceprintlist): Add definition.
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* main.c (gdb_completer_command_word_break_characters): Add.
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* main.c (symbol_completion_function): Switch completer word
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break character sets dynamically, based on whether completion is
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being done on commands or on something else.
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* main.c (initialize_cmd_lists): Init maintenanceprintlist.
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* maint.c: Include demangle.h.
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* maint.c (maintenance_demangle): New function.
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* maint.c (maintenance_print_command): New function.
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* maint.c (_initialize_maint_cmds): Reorganize some commands
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under new maintenance print subcommand.
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Thu Jul 9 19:05:27 1992 Per Bothner (bothner@rtl.cygnus.com)
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* gdbtypes.c (lookup_struct_elt_type): If the input type is
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@ -471,36 +471,35 @@ help_cmd_list (list, class, prefix, recurse, stream)
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}
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}
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/* This routine takes a line of TEXT and a CLIST in which to
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start the lookup. When it returns it will have incremented the text
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pointer past the section of text it matched, set *RESULT_LIST to
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the list in which the last word was matched, and will return the
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cmd list element which the text matches. It will return 0 if no
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match at all was possible. It will return -1 if ambigous matches are
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possible; in this case *RESULT_LIST will be set to the list in which
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there are ambiguous choices (and text will be set to the ambiguous
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text string).
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/* This routine takes a line of TEXT and a CLIST in which to start the
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lookup. When it returns it will have incremented the text pointer past
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the section of text it matched, set *RESULT_LIST to point to the list in
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which the last word was matched, and will return a pointer to the cmd
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list element which the text matches. It will return NULL if no match at
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all was possible. It will return -1 (cast appropriately, ick) if ambigous
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matches are possible; in this case *RESULT_LIST will be set to point to
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the list in which there are ambiguous choices (and *TEXT will be set to
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the ambiguous text string).
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It does no error reporting whatsoever; control will always return
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to the superior routine.
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In the case of an ambiguous return (-1), *RESULT_LIST will be set to
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point at the prefix_command (ie. the best match) *or* (special
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case) will be 0 if no prefix command was ever found. For example,
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in the case of "info a", "info" matches without ambiguity, but "a"
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could be "args" or "address", so *RESULT_LIST is set to
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the cmd_list_element for "info". So in this case
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result list should not be interpeted as a pointer to the beginning
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of a list; it simply points to a specific command.
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In the case of an ambiguous return (-1), *RESULT_LIST will be set to point
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at the prefix_command (ie. the best match) *or* (special case) will be NULL
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if no prefix command was ever found. For example, in the case of "info a",
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"info" matches without ambiguity, but "a" could be "args" or "address", so
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*RESULT_LIST is set to the cmd_list_element for "info". So in this case
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RESULT_LIST should not be interpeted as a pointer to the beginning of a
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list; it simply points to a specific command.
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If RESULT_LIST is NULL, don't set *RESULT_LIST (but don't otherwise
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affect the operation).
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This routine does *not* modify the text pointed to by TEXT.
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If IGNORE_HELP_CLASSES is nonzero, ignore any command list
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elements which are actually help classes rather than commands (i.e.
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the function field of the struct cmd_list_element is 0). */
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If IGNORE_HELP_CLASSES is nonzero, ignore any command list elements which
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are actually help classes rather than commands (i.e. the function field of
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the struct cmd_list_element is NULL). */
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struct cmd_list_element *
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lookup_cmd_1 (text, clist, result_list, ignore_help_classes)
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91
gdb/maint.c
91
gdb/maint.c
@ -28,6 +28,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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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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static void
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maintenance_command PARAMS ((char *, int));
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@ -35,6 +36,9 @@ 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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@ -72,6 +76,40 @@ maintenance_dump_me (args, from_tty)
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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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@ -86,6 +124,20 @@ maintenance_info_command (arg, from_tty)
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help_list (maintenanceinfolist, "maintenance info ", -1, stdout);
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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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@ -110,49 +162,62 @@ _initialize_maint_cmds ()
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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, including dumping of symbol tables, type\n\
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chains, etc.",
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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, 0);
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add_prefix_cmd ("info", class_info, maintenance_info_command,
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"Maintenance command for showing things about the program being debugged.",
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"Commands for showing things about the program being debugged.",
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&maintenanceinfolist, "maintenance info ", 0,
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&maintenancelist);
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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 ("print-type", class_maintenance, maintenance_print_type,
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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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&maintenancelist);
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&maintenanceprintlist);
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add_cmd ("print-symbols", class_maintenance, maintenance_print_symbols,
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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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&maintenancelist);
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&maintenanceprintlist);
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add_cmd ("print-msymbols", class_maintenance, maintenance_print_msymbols,
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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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&maintenancelist);
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&maintenanceprintlist);
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add_cmd ("print-psymbols", class_maintenance, maintenance_print_psymbols,
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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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&maintenancelist);
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&maintenanceprintlist);
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add_cmd ("print-objfiles", class_maintenance, maintenance_print_objfiles,
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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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&maintenancelist);
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&maintenanceprintlist);
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}
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