1 /* Support for GDB maintenance commands.
2 Copyright 1992, 1993, 1994 Free Software Foundation, Inc.
3 Written by Fred Fish at Cygnus Support.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
31 #include "expression.h" /* For language.h */
41 extern void _initialize_maint_cmds PARAMS ((void));
43 static void maintenance_command PARAMS ((char *, int));
45 static void maintenance_dump_me PARAMS ((char *, int));
47 static void maintenance_demangle PARAMS ((char *, int));
49 static void maintenance_time_display PARAMS ((char *, int));
51 static void maintenance_space_display PARAMS ((char *, int));
53 static void maintenance_info_command PARAMS ((char *, int));
55 static void print_section_table PARAMS ((bfd *, asection *, PTR));
57 static void maintenance_info_sections PARAMS ((char *, int));
59 static void maintenance_print_command PARAMS ((char *, int));
61 /* Set this to the maximum number of seconds to wait instead of waiting forever
62 in target_wait(). If this timer times out, then it generates an error and
63 the command is aborted. This replaces most of the need for timeouts in the
64 GDB test suite, and makes it possible to distinguish between a hung target
65 and one with slow communications. */
73 maintenance_command -- access the maintenance subcommands
77 void maintenance_command (char *args, int from_tty)
84 maintenance_command (args, from_tty)
88 printf_unfiltered ("\"maintenance\" must be followed by the name of a maintenance command.\n");
89 help_list (maintenancelist, "maintenance ", -1, gdb_stdout);
95 maintenance_dump_me (args, from_tty)
99 if (query ("Should GDB dump core? "))
101 signal (SIGQUIT, SIG_DFL);
102 kill (getpid (), SIGQUIT);
107 /* Someday we should allow demangling for things other than just
108 explicit strings. For example, we might want to be able to
109 specify the address of a string in either GDB's process space
110 or the debuggee's process space, and have gdb fetch and demangle
111 that string. If we have a char* pointer "ptr" that points to
112 a string, we might want to be able to given just the name and
113 have GDB demangle and print what it points to, etc. (FIXME) */
116 maintenance_demangle (args, from_tty)
122 if (args == NULL || *args == '\0')
124 printf_unfiltered ("\"maintenance demangle\" takes an argument to demangle.\n");
128 demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS);
129 if (demangled != NULL)
131 printf_unfiltered ("%s\n", demangled);
136 printf_unfiltered ("Can't demangle \"%s\"\n", args);
142 maintenance_time_display (args, from_tty)
146 extern int display_time;
148 if (args == NULL || *args == '\0')
149 printf_unfiltered ("\"maintenance time\" takes a numeric argument.\n");
151 display_time = strtol (args, NULL, 10);
155 maintenance_space_display (args, from_tty)
159 extern int display_space;
161 if (args == NULL || *args == '\0')
162 printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n");
164 display_space = strtol (args, NULL, 10);
167 /* The "maintenance info" command is defined as a prefix, with allow_unknown 0.
168 Therefore, its own definition is called only for "maintenance info" with
173 maintenance_info_command (arg, from_tty)
177 printf_unfiltered ("\"maintenance info\" must be followed by the name of an info command.\n");
178 help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout);
182 print_section_table (abfd, asect, ignore)
189 flags = bfd_get_section_flags (abfd, asect);
191 /* FIXME-32x64: Need print_address_numeric with field width. */
192 printf_filtered (" %s",
193 local_hex_string_custom
194 ((unsigned long) bfd_section_vma (abfd, asect), "08l"));
195 printf_filtered ("->%s",
196 local_hex_string_custom
197 ((unsigned long) (bfd_section_vma (abfd, asect)
198 + bfd_section_size (abfd, asect)),
200 printf_filtered (" at %s",
201 local_hex_string_custom
202 ((unsigned long) asect->filepos, "08l"));
203 printf_filtered (": %s", bfd_section_name (abfd, asect));
205 if (flags & SEC_ALLOC)
206 printf_filtered (" ALLOC");
207 if (flags & SEC_LOAD)
208 printf_filtered (" LOAD");
209 if (flags & SEC_RELOC)
210 printf_filtered (" RELOC");
211 if (flags & SEC_READONLY)
212 printf_filtered (" READONLY");
213 if (flags & SEC_CODE)
214 printf_filtered (" CODE");
215 if (flags & SEC_DATA)
216 printf_filtered (" DATA");
218 printf_filtered (" ROM");
219 if (flags & SEC_CONSTRUCTOR)
220 printf_filtered (" CONSTRUCTOR");
221 if (flags & SEC_HAS_CONTENTS)
222 printf_filtered (" HAS_CONTENTS");
223 if (flags & SEC_NEVER_LOAD)
224 printf_filtered (" NEVER_LOAD");
225 if (flags & SEC_COFF_SHARED_LIBRARY)
226 printf_filtered (" COFF_SHARED_LIBRARY");
227 if (flags & SEC_IS_COMMON)
228 printf_filtered (" IS_COMMON");
230 printf_filtered ("\n");
235 maintenance_info_sections (arg, from_tty)
241 printf_filtered ("Exec file:\n");
242 printf_filtered (" `%s', ", bfd_get_filename(exec_bfd));
244 printf_filtered ("file type %s.\n", bfd_get_target(exec_bfd));
245 bfd_map_over_sections(exec_bfd, print_section_table, 0);
250 printf_filtered ("Core file:\n");
251 printf_filtered (" `%s', ", bfd_get_filename(core_bfd));
253 printf_filtered ("file type %s.\n", bfd_get_target(core_bfd));
254 bfd_map_over_sections(core_bfd, print_section_table, 0);
260 maintenance_print_statistics (args, from_tty)
264 print_objfile_statistics ();
265 print_symbol_bcache_statistics ();
268 /* The "maintenance print" command is defined as a prefix, with allow_unknown
269 0. Therefore, its own definition is called only for "maintenance print"
274 maintenance_print_command (arg, from_tty)
278 printf_unfiltered ("\"maintenance print\" must be followed by the name of a print command.\n");
279 help_list (maintenanceprintlist, "maintenance print ", -1, gdb_stdout);
282 /* The "maintenance translate-address" command converts a section and address
283 to a symbol. This can be called in two ways:
284 maintenance translate-address <secname> <addr>
285 or maintenance translate-address <addr>
289 maintenance_translate_address (arg, from_tty)
296 struct minimal_symbol *sym;
297 struct objfile *objfile;
299 if (arg == NULL || *arg == 0)
300 error ("requires argument (address or section + address)");
306 { /* See if we have a valid section name */
307 while (*p && !isspace (*p)) /* Find end of section name */
309 if (*p == '\000') /* End of command? */
310 error ("Need to specify <section-name> and <address>");
312 while (isspace (*p)) p++; /* Skip whitespace */
314 ALL_OBJFILES (objfile)
316 sect = bfd_get_section_by_name (objfile->obfd, arg);
322 error ("Unknown section %s.", arg);
325 address = parse_and_eval_address (p);
328 sym = lookup_minimal_symbol_by_pc_section (address, sect);
330 sym = lookup_minimal_symbol_by_pc (address);
333 printf_filtered ("%s+%u\n",
334 SYMBOL_SOURCE_NAME (sym),
335 address - SYMBOL_VALUE_ADDRESS (sym));
337 printf_filtered ("no symbol at %s:0x%08x\n", sect->name, address);
339 printf_filtered ("no symbol at 0x%08x\n", address);
345 _initialize_maint_cmds ()
347 add_prefix_cmd ("maintenance", class_maintenance, maintenance_command,
348 "Commands for use by GDB maintainers.\n\
349 Includes commands to dump specific internal GDB structures in\n\
350 a human readable form, to cause GDB to deliberately dump core,\n\
351 to test internal functions such as the C++ demangler, etc.",
352 &maintenancelist, "maintenance ", 0,
355 add_com_alias ("mt", "maintenance", class_maintenance, 1);
357 add_prefix_cmd ("info", class_maintenance, maintenance_info_command,
358 "Commands for showing internal info about the program being debugged.",
359 &maintenanceinfolist, "maintenance info ", 0,
362 add_cmd ("sections", class_maintenance, maintenance_info_sections,
363 "List the BFD sections of the exec and core files.",
364 &maintenanceinfolist);
366 add_prefix_cmd ("print", class_maintenance, maintenance_print_command,
367 "Maintenance command for printing GDB internal state.",
368 &maintenanceprintlist, "maintenance print ", 0,
372 add_cmd ("dump-me", class_maintenance, maintenance_dump_me,
373 "Get fatal error; make debugger dump its core.\n\
374 GDB sets it's handling of SIGQUIT back to SIG_DFL and then sends\n\
375 itself a SIGQUIT signal.",
379 add_cmd ("demangle", class_maintenance, maintenance_demangle,
380 "Demangle a C++ mangled name.\n\
381 Call internal GDB demangler routine to demangle a C++ link name\n\
382 and prints the result.",
385 add_cmd ("time", class_maintenance, maintenance_time_display,
386 "Set the display of time usage.\n\
387 If nonzero, will cause the execution time for each command to be\n\
388 displayed, following the command's output.",
391 add_cmd ("space", class_maintenance, maintenance_space_display,
392 "Set the display of space usage.\n\
393 If nonzero, will cause the execution space for each command to be\n\
394 displayed, following the command's output.",
397 add_cmd ("type", class_maintenance, maintenance_print_type,
398 "Print a type chain for a given symbol.\n\
399 For each node in a type chain, print the raw data for each member of\n\
400 the type structure, and the interpretation of the data.",
401 &maintenanceprintlist);
403 add_cmd ("symbols", class_maintenance, maintenance_print_symbols,
404 "Print dump of current symbol definitions.\n\
405 Entries in the full symbol table are dumped to file OUTFILE.\n\
406 If a SOURCE file is specified, dump only that file's symbols.",
407 &maintenanceprintlist);
409 add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols,
410 "Print dump of current minimal symbol definitions.\n\
411 Entries in the minimal symbol table are dumped to file OUTFILE.\n\
412 If a SOURCE file is specified, dump only that file's minimal symbols.",
413 &maintenanceprintlist);
415 add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols,
416 "Print dump of current partial symbol definitions.\n\
417 Entries in the partial symbol table are dumped to file OUTFILE.\n\
418 If a SOURCE file is specified, dump only that file's partial symbols.",
419 &maintenanceprintlist);
421 add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
422 "Print dump of current object file definitions.",
423 &maintenanceprintlist);
425 add_cmd ("statistics", class_maintenance, maintenance_print_statistics,
426 "Print statistics about internal gdb state.",
427 &maintenanceprintlist);
429 add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs,
430 "Check consistency of psymtabs and symtabs.",
433 add_cmd ("translate-address", class_maintenance, maintenance_translate_address,
434 "Translate a section name and address to a symbol.",
438 add_set_cmd ("watchdog", class_maintenance, var_zinteger, (char *)&watchdog,
439 "Set watchdog timer.\n\
440 When non-zero, this timeout is used instead of waiting forever for a target to\n\
441 finish a low-level step or continue operation. If the specified amount of time\n\
442 passes without a response from the target, an error occurs.", &setlist),