gdb/mi/mi-cmd-stack.c

   1 /* MI Command Set - stack commands.
   2    Copyright (C) 2000-2014 Free Software Foundation, Inc.
   3    Contributed by Cygnus Solutions (a Red Hat company).
   4
   5    This file is part of GDB.
   6
   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 3 of the License, or
  10    (at your option) any later version.
  11
  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.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "defs.h"
  21 #include "target.h"
  22 #include "frame.h"
  23 #include "value.h"
  24 #include "mi-cmds.h"
  25 #include "ui-out.h"
  26 #include "symtab.h"
  27 #include "block.h"
  28 #include "stack.h"
  29 #include "dictionary.h"
  30 #include "language.h"
  31 #include "valprint.h"
  32 #include "exceptions.h"
  33 #include "utils.h"
  34 #include "mi-getopt.h"
  35 #include "extension.h"
  36 #include <ctype.h>
  37 #include "mi-parse.h"
  38
  39 enum what_to_list { locals, arguments, all };
  40
  41 static void list_args_or_locals (enum what_to_list what,
  42                                  enum print_values values,
  43                                  struct frame_info *fi,
  44                                  int skip_unavailable);
  45
  46 /* True if we want to allow Python-based frame filters.  */
  47 static int frame_filters = 0;
  48
  49 void
  50 mi_cmd_enable_frame_filters (char *command, char **argv, int argc)
  51 {
  52   if (argc != 0)
  53     error (_("-enable-frame-filters: no arguments allowed"));
  54   frame_filters = 1;
  55 }
  56
  57 /* Print a list of the stack frames.  Args can be none, in which case
  58    we want to print the whole backtrace, or a pair of numbers
  59    specifying the frame numbers at which to start and stop the
  60    display.  If the two numbers are equal, a single frame will be
  61    displayed.  */
  62
  63 void
  64 mi_cmd_stack_list_frames (char *command, char **argv, int argc)
  65 {
  66   int frame_low;
  67   int frame_high;
  68   int i;
  69   struct cleanup *cleanup_stack;
  70   struct frame_info *fi;
  71   enum ext_lang_bt_status result = EXT_LANG_BT_ERROR;
  72   int raw_arg = 0;
  73   int oind = 0;
  74   enum opt
  75     {
  76       NO_FRAME_FILTERS
  77     };
  78   static const struct mi_opt opts[] =
  79     {
  80       {"-no-frame-filters", NO_FRAME_FILTERS, 0},
  81       { 0, 0, 0 }
  82     };
  83
  84   /* Parse arguments.  In this instance we are just looking for
  85      --no-frame-filters.  */
  86   while (1)
  87     {
  88       char *oarg;
  89       int opt = mi_getopt ("-stack-list-frames", argc, argv,
  90                            opts, &oind, &oarg);
  91       if (opt < 0)
  92         break;
  93       switch ((enum opt) opt)
  94         {
  95         case NO_FRAME_FILTERS:
  96           raw_arg = oind;
  97           break;
  98         }
  99     }
 100
 101   /* After the last option is parsed, there should either be low -
 102      high range, or no further arguments.  */
 103   if ((argc - oind != 0) && (argc - oind != 2))
 104     error (_("-stack-list-frames: Usage: [--no-frame-filters] [FRAME_LOW FRAME_HIGH]"));
 105
 106   /* If there is a range, set it.  */
 107   if (argc - oind == 2)
 108     {
 109       frame_low = atoi (argv[0 + oind]);
 110       frame_high = atoi (argv[1 + oind]);
 111     }
 112   else
 113     {
 114       /* Called with no arguments, it means we want the whole
 115          backtrace.  */
 116       frame_low = -1;
 117       frame_high = -1;
 118     }
 119
 120   /* Let's position fi on the frame at which to start the
 121      display. Could be the innermost frame if the whole stack needs
 122      displaying, or if frame_low is 0.  */
 123   for (i = 0, fi = get_current_frame ();
 124        fi && i < frame_low;
 125        i++, fi = get_prev_frame (fi));
 126
 127   if (fi == NULL)
 128     error (_("-stack-list-frames: Not enough frames in stack."));
 129
 130   cleanup_stack = make_cleanup_ui_out_list_begin_end (current_uiout, "stack");
 131
 132   if (! raw_arg && frame_filters)
 133     {
 134       int flags = PRINT_LEVEL | PRINT_FRAME_INFO;
 135       int py_frame_low = frame_low;
 136
 137       /* We cannot pass -1 to frame_low, as that would signify a
 138       relative backtrace from the tail of the stack.  So, in the case
 139       of frame_low == -1, assign and increment it.  */
 140       if (py_frame_low == -1)
 141         py_frame_low++;
 142
 143       result = apply_ext_lang_frame_filter (get_current_frame (), flags,
 144                                             NO_VALUES,  current_uiout,
 145                                             py_frame_low, frame_high);
 146     }
 147
 148   /* Run the inbuilt backtrace if there are no filters registered, or
 149      if "--no-frame-filters" has been specified from the command.  */
 150   if (! frame_filters || raw_arg  || result == EXT_LANG_BT_NO_FILTERS)
 151     {
 152       /* Now let's print the frames up to frame_high, or until there are
 153          frames in the stack.  */
 154       for (;
 155            fi && (i <= frame_high || frame_high == -1);
 156            i++, fi = get_prev_frame (fi))
 157         {
 158           QUIT;
 159           /* Print the location and the address always, even for level 0.
 160              If args is 0, don't print the arguments.  */
 161           print_frame_info (fi, 1, LOC_AND_ADDRESS, 0 /* args */, 0);
 162         }
 163     }
 164
 165   do_cleanups (cleanup_stack);
 166 }
 167
 168 void
 169 mi_cmd_stack_info_depth (char *command, char **argv, int argc)
 170 {
 171   int frame_high;
 172   int i;
 173   struct frame_info *fi;
 174
 175   if (argc > 1)
 176     error (_("-stack-info-depth: Usage: [MAX_DEPTH]"));
 177
 178   if (argc == 1)
 179     frame_high = atoi (argv[0]);
 180   else
 181     /* Called with no arguments, it means we want the real depth of
 182        the stack.  */
 183     frame_high = -1;
 184
 185   for (i = 0, fi = get_current_frame ();
 186        fi && (i < frame_high || frame_high == -1);
 187        i++, fi = get_prev_frame (fi))
 188     QUIT;
 189
 190   ui_out_field_int (current_uiout, "depth", i);
 191 }
 192
 193 /* Print a list of the locals for the current frame.  With argument of
 194    0, print only the names, with argument of 1 print also the
 195    values.  */
 196
 197 void
 198 mi_cmd_stack_list_locals (char *command, char **argv, int argc)
 199 {
 200   struct frame_info *frame;
 201   int raw_arg = 0;
 202   enum ext_lang_bt_status result = EXT_LANG_BT_ERROR;
 203   int print_value;
 204   int oind = 0;
 205   int skip_unavailable = 0;
 206   int i;
 207
 208   if (argc > 1)
 209     {
 210       int i;
 211       enum opt
 212       {
 213         NO_FRAME_FILTERS,
 214         SKIP_UNAVAILABLE,
 215       };
 216       static const struct mi_opt opts[] =
 217         {
 218           {"-no-frame-filters", NO_FRAME_FILTERS, 0},
 219           {"-skip-unavailable", SKIP_UNAVAILABLE, 0},
 220           { 0, 0, 0 }
 221         };
 222
 223       while (1)
 224         {
 225           char *oarg;
 226           /* Don't parse 'print-values' as an option.  */
 227           int opt = mi_getopt ("-stack-list-locals", argc - 1, argv,
 228                                opts, &oind, &oarg);
 229
 230           if (opt < 0)
 231             break;
 232           switch ((enum opt) opt)
 233             {
 234             case NO_FRAME_FILTERS:
 235               raw_arg = oind;
 236             case SKIP_UNAVAILABLE:
 237               skip_unavailable = 1;
 238               break;
 239             }
 240         }
 241     }
 242
 243   /* After the last option is parsed, there should be only
 244      'print-values'.  */
 245   if (argc - oind != 1)
 246     error (_("-stack-list-locals: Usage: [--no-frame-filters] "
 247              "[--skip-unavailable] PRINT_VALUES"));
 248
 249   frame = get_selected_frame (NULL);
 250   print_value = mi_parse_print_values (argv[oind]);
 251
 252    if (! raw_arg && frame_filters)
 253      {
 254        int flags = PRINT_LEVEL | PRINT_LOCALS;
 255
 256        result = apply_ext_lang_frame_filter (frame, flags, print_value,
 257                                              current_uiout, 0, 0);
 258      }
 259
 260    /* Run the inbuilt backtrace if there are no filters registered, or
 261       if "--no-frame-filters" has been specified from the command.  */
 262    if (! frame_filters || raw_arg  || result == EXT_LANG_BT_NO_FILTERS)
 263      {
 264        list_args_or_locals (locals, print_value, frame,
 265                             skip_unavailable);
 266      }
 267 }
 268
 269 /* Print a list of the arguments for the current frame.  With argument
 270    of 0, print only the names, with argument of 1 print also the
 271    values.  */
 272
 273 void
 274 mi_cmd_stack_list_args (char *command, char **argv, int argc)
 275 {
 276   int frame_low;
 277   int frame_high;
 278   int i;
 279   struct frame_info *fi;
 280   struct cleanup *cleanup_stack_args;
 281   enum print_values print_values;
 282   struct ui_out *uiout = current_uiout;
 283   int raw_arg = 0;
 284   int oind = 0;
 285   int skip_unavailable = 0;
 286   enum ext_lang_bt_status result = EXT_LANG_BT_ERROR;
 287   enum opt
 288   {
 289     NO_FRAME_FILTERS,
 290     SKIP_UNAVAILABLE,
 291   };
 292   static const struct mi_opt opts[] =
 293     {
 294       {"-no-frame-filters", NO_FRAME_FILTERS, 0},
 295       {"-skip-unavailable", SKIP_UNAVAILABLE, 0},
 296       { 0, 0, 0 }
 297     };
 298
 299   while (1)
 300     {
 301       char *oarg;
 302       int opt = mi_getopt_allow_unknown ("-stack-list-args", argc, argv,
 303                                          opts, &oind, &oarg);
 304
 305       if (opt < 0)
 306         break;
 307       switch ((enum opt) opt)
 308         {
 309         case NO_FRAME_FILTERS:
 310           raw_arg = oind;
 311           break;
 312         case SKIP_UNAVAILABLE:
 313           skip_unavailable = 1;
 314           break;
 315         }
 316     }
 317
 318   if (argc - oind != 1 && argc - oind != 3)
 319     error (_("-stack-list-arguments: Usage: "   \
 320              "[--no-frame-filters] [--skip-unavailable] "
 321              "PRINT_VALUES [FRAME_LOW FRAME_HIGH]"));
 322
 323   if (argc - oind == 3)
 324     {
 325       frame_low = atoi (argv[1 + oind]);
 326       frame_high = atoi (argv[2 + oind]);
 327     }
 328   else
 329     {
 330       /* Called with no arguments, it means we want args for the whole
 331          backtrace.  */
 332       frame_low = -1;
 333       frame_high = -1;
 334     }
 335
 336   print_values = mi_parse_print_values (argv[oind]);
 337
 338   /* Let's position fi on the frame at which to start the
 339      display. Could be the innermost frame if the whole stack needs
 340      displaying, or if frame_low is 0.  */
 341   for (i = 0, fi = get_current_frame ();
 342        fi && i < frame_low;
 343        i++, fi = get_prev_frame (fi));
 344
 345   if (fi == NULL)
 346     error (_("-stack-list-arguments: Not enough frames in stack."));
 347
 348   cleanup_stack_args
 349     = make_cleanup_ui_out_list_begin_end (uiout, "stack-args");
 350
 351   if (! raw_arg && frame_filters)
 352     {
 353       int flags = PRINT_LEVEL | PRINT_ARGS;
 354       int py_frame_low = frame_low;
 355
 356       /* We cannot pass -1 to frame_low, as that would signify a
 357       relative backtrace from the tail of the stack.  So, in the case
 358       of frame_low == -1, assign and increment it.  */
 359       if (py_frame_low == -1)
 360         py_frame_low++;
 361
 362       result = apply_ext_lang_frame_filter (get_current_frame (), flags,
 363                                             print_values, current_uiout,
 364                                             py_frame_low, frame_high);
 365     }
 366
 367      /* Run the inbuilt backtrace if there are no filters registered, or
 368       if "--no-frame-filters" has been specified from the command.  */
 369    if (! frame_filters || raw_arg  || result == EXT_LANG_BT_NO_FILTERS)
 370      {
 371       /* Now let's print the frames up to frame_high, or until there are
 372          frames in the stack.  */
 373       for (;
 374            fi && (i <= frame_high || frame_high == -1);
 375            i++, fi = get_prev_frame (fi))
 376         {
 377           struct cleanup *cleanup_frame;
 378
 379           QUIT;
 380           cleanup_frame = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
 381           ui_out_field_int (uiout, "level", i);
 382           list_args_or_locals (arguments, print_values, fi, skip_unavailable);
 383           do_cleanups (cleanup_frame);
 384         }
 385     }
 386   do_cleanups (cleanup_stack_args);
 387 }
 388
 389 /* Print a list of the local variables (including arguments) for the
 390    current frame.  ARGC must be 1 and ARGV[0] specify if only the names,
 391    or both names and values of the variables must be printed.  See
 392    parse_print_value for possible values.  */
 393
 394 void
 395 mi_cmd_stack_list_variables (char *command, char **argv, int argc)
 396 {
 397   struct frame_info *frame;
 398   int raw_arg = 0;
 399   enum ext_lang_bt_status result = EXT_LANG_BT_ERROR;
 400   int print_value;
 401   int oind = 0;
 402   int skip_unavailable = 0;
 403
 404   if (argc > 1)
 405     {
 406       int i;
 407       enum opt
 408       {
 409         NO_FRAME_FILTERS,
 410         SKIP_UNAVAILABLE,
 411       };
 412       static const struct mi_opt opts[] =
 413         {
 414           {"-no-frame-filters", NO_FRAME_FILTERS, 0},
 415           {"-skip-unavailable", SKIP_UNAVAILABLE, 0},
 416           { 0, 0, 0 }
 417         };
 418
 419       while (1)
 420         {
 421           char *oarg;
 422           /* Don't parse 'print-values' as an option.  */
 423           int opt = mi_getopt ("-stack-list-variables", argc - 1,
 424                                argv, opts, &oind, &oarg);
 425           if (opt < 0)
 426             break;
 427           switch ((enum opt) opt)
 428             {
 429             case NO_FRAME_FILTERS:
 430               raw_arg = oind;
 431               break;
 432             case SKIP_UNAVAILABLE:
 433               skip_unavailable = 1;
 434               break;
 435             }
 436         }
 437     }
 438
 439   /* After the last option is parsed, there should be only
 440      'print-values'.  */
 441   if (argc - oind != 1)
 442     error (_("-stack-list-variables: Usage: [--no-frame-filters] " \
 443              "[--skip-unavailable] PRINT_VALUES"));
 444
 445    frame = get_selected_frame (NULL);
 446    print_value = mi_parse_print_values (argv[oind]);
 447
 448    if (! raw_arg && frame_filters)
 449      {
 450        int flags = PRINT_LEVEL | PRINT_ARGS | PRINT_LOCALS;
 451
 452        result = apply_ext_lang_frame_filter (frame, flags, print_value,
 453                                              current_uiout, 0, 0);
 454      }
 455
 456    /* Run the inbuilt backtrace if there are no filters registered, or
 457       if "--no-frame-filters" has been specified from the command.  */
 458    if (! frame_filters || raw_arg  || result == EXT_LANG_BT_NO_FILTERS)
 459      {
 460        list_args_or_locals (all, print_value, frame,
 461                             skip_unavailable);
 462      }
 463 }
 464
 465 /* Print single local or argument.  ARG must be already read in.  For
 466    WHAT and VALUES see list_args_or_locals.
 467
 468    Errors are printed as if they would be the parameter value.  Use
 469    zeroed ARG iff it should not be printed according to VALUES.  If
 470    SKIP_UNAVAILABLE is true, only print ARG if it is available.  */
 471
 472 static void
 473 list_arg_or_local (const struct frame_arg *arg, enum what_to_list what,
 474                    enum print_values values, int skip_unavailable)
 475 {
 476   struct cleanup *old_chain;
 477   struct ui_out *uiout = current_uiout;
 478   struct ui_file *stb;
 479
 480   gdb_assert (!arg->val || !arg->error);
 481   gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL
 482                && arg->error == NULL)
 483               || values == PRINT_SIMPLE_VALUES
 484               || (values == PRINT_ALL_VALUES
 485                   && (arg->val != NULL || arg->error != NULL)));
 486   gdb_assert (arg->entry_kind == print_entry_values_no
 487               || (arg->entry_kind == print_entry_values_only
 488                   && (arg->val || arg->error)));
 489
 490   if (skip_unavailable && arg->val != NULL
 491       && (value_entirely_unavailable (arg->val)
 492           /* A scalar object that does not have all bits available is
 493              also considered unavailable, because all bits contribute
 494              to its representation.  */
 495           || (val_print_scalar_type_p (value_type (arg->val))
 496               && !value_bytes_available (arg->val,
 497                                          value_embedded_offset (arg->val),
 498                                          TYPE_LENGTH (value_type (arg->val))))))
 499     return;
 500
 501   stb = mem_fileopen ();
 502   old_chain = make_cleanup_ui_file_delete (stb);
 503
 504   if (values != PRINT_NO_VALUES || what == all)
 505     make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
 506
 507   fputs_filtered (SYMBOL_PRINT_NAME (arg->sym), stb);
 508   if (arg->entry_kind == print_entry_values_only)
 509     fputs_filtered ("@entry", stb);
 510   ui_out_field_stream (uiout, "name", stb);
 511
 512   if (what == all && SYMBOL_IS_ARGUMENT (arg->sym))
 513     ui_out_field_int (uiout, "arg", 1);
 514
 515   if (values == PRINT_SIMPLE_VALUES)
 516     {
 517       check_typedef (arg->sym->type);
 518       type_print (arg->sym->type, "", stb, -1);
 519       ui_out_field_stream (uiout, "type", stb);
 520     }
 521
 522   if (arg->val || arg->error)
 523     {
 524       volatile struct gdb_exception except;
 525
 526       if (arg->error)
 527         except.message = arg->error;
 528       else
 529         {
 530           /* TRY_CATCH has two statements, wrap it in a block.  */
 531
 532           TRY_CATCH (except, RETURN_MASK_ERROR)
 533             {
 534               struct value_print_options opts;
 535
 536               get_no_prettyformat_print_options (&opts);
 537               opts.deref_ref = 1;
 538               common_val_print (arg->val, stb, 0, &opts,
 539                                 language_def (SYMBOL_LANGUAGE (arg->sym)));
 540             }
 541         }
 542       if (except.message)
 543         fprintf_filtered (stb, _("<error reading variable: %s>"),
 544                           except.message);
 545       ui_out_field_stream (uiout, "value", stb);
 546     }
 547
 548   do_cleanups (old_chain);
 549 }
 550
 551 /* Print a list of the objects for the frame FI in a certain form,
 552    which is determined by VALUES.  The objects can be locals,
 553    arguments or both, which is determined by WHAT.  If SKIP_UNAVAILABLE
 554    is true, only print the arguments or local variables whose values
 555    are available.  */
 556
 557 static void
 558 list_args_or_locals (enum what_to_list what, enum print_values values,
 559                      struct frame_info *fi, int skip_unavailable)
 560 {
 561   const struct block *block;
 562   struct symbol *sym;
 563   struct block_iterator iter;
 564   struct cleanup *cleanup_list;
 565   struct type *type;
 566   char *name_of_result;
 567   struct ui_out *uiout = current_uiout;
 568
 569   block = get_frame_block (fi, 0);
 570
 571   switch (what)
 572     {
 573     case locals:
 574       name_of_result = "locals";
 575       break;
 576     case arguments:
 577       name_of_result = "args";
 578       break;
 579     case all:
 580       name_of_result = "variables";
 581       break;
 582     default:
 583       internal_error (__FILE__, __LINE__,
 584                       "unexpected what_to_list: %d", (int) what);
 585     }
 586
 587   cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, name_of_result);
 588
 589   while (block != 0)
 590     {
 591       ALL_BLOCK_SYMBOLS (block, iter, sym)
 592         {
 593           int print_me = 0;
 594
 595           switch (SYMBOL_CLASS (sym))
 596             {
 597             default:
 598             case LOC_UNDEF:     /* catches errors        */
 599             case LOC_CONST:     /* constant              */
 600             case LOC_TYPEDEF:   /* local typedef         */
 601             case LOC_LABEL:     /* local label           */
 602             case LOC_BLOCK:     /* local function        */
 603             case LOC_CONST_BYTES:       /* loc. byte seq.        */
 604             case LOC_UNRESOLVED:        /* unresolved static     */
 605             case LOC_OPTIMIZED_OUT:     /* optimized out         */
 606               print_me = 0;
 607               break;
 608
 609             case LOC_ARG:       /* argument              */
 610             case LOC_REF_ARG:   /* reference arg         */
 611             case LOC_REGPARM_ADDR:      /* indirect register arg */
 612             case LOC_LOCAL:     /* stack local           */
 613             case LOC_STATIC:    /* static                */
 614             case LOC_REGISTER:  /* register              */
 615             case LOC_COMPUTED:  /* computed location     */
 616               if (what == all)
 617                 print_me = 1;
 618               else if (what == locals)
 619                 print_me = !SYMBOL_IS_ARGUMENT (sym);
 620               else
 621                 print_me = SYMBOL_IS_ARGUMENT (sym);
 622               break;
 623             }
 624           if (print_me)
 625             {
 626               struct symbol *sym2;
 627               struct frame_arg arg, entryarg;
 628
 629               if (SYMBOL_IS_ARGUMENT (sym))
 630                 sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
 631                                       block, VAR_DOMAIN,
 632                                       NULL);
 633               else
 634                 sym2 = sym;
 635               gdb_assert (sym2 != NULL);
 636
 637               memset (&arg, 0, sizeof (arg));
 638               arg.sym = sym2;
 639               arg.entry_kind = print_entry_values_no;
 640               memset (&entryarg, 0, sizeof (entryarg));
 641               entryarg.sym = sym2;
 642               entryarg.entry_kind = print_entry_values_no;
 643
 644               switch (values)
 645                 {
 646                 case PRINT_SIMPLE_VALUES:
 647                   type = check_typedef (sym2->type);
 648                   if (TYPE_CODE (type) != TYPE_CODE_ARRAY
 649                       && TYPE_CODE (type) != TYPE_CODE_STRUCT
 650                       && TYPE_CODE (type) != TYPE_CODE_UNION)
 651                     {
 652                 case PRINT_ALL_VALUES:
 653                   if (SYMBOL_IS_ARGUMENT (sym))
 654                     read_frame_arg (sym2, fi, &arg, &entryarg);
 655                   else
 656                     read_frame_local (sym2, fi, &arg);
 657                     }
 658                   break;
 659                 }
 660
 661               if (arg.entry_kind != print_entry_values_only)
 662                 list_arg_or_local (&arg, what, values, skip_unavailable);
 663               if (entryarg.entry_kind != print_entry_values_no)
 664                 list_arg_or_local (&entryarg, what, values, skip_unavailable);
 665               xfree (arg.error);
 666               xfree (entryarg.error);
 667             }
 668         }
 669
 670       if (BLOCK_FUNCTION (block))
 671         break;
 672       else
 673         block = BLOCK_SUPERBLOCK (block);
 674     }
 675   do_cleanups (cleanup_list);
 676 }
 677
 678 void
 679 mi_cmd_stack_select_frame (char *command, char **argv, int argc)
 680 {
 681   if (argc == 0 || argc > 1)
 682     error (_("-stack-select-frame: Usage: FRAME_SPEC"));
 683
 684   select_frame_command (argv[0], 1 /* not used */ );
 685 }
 686
 687 void
 688 mi_cmd_stack_info_frame (char *command, char **argv, int argc)
 689 {
 690   if (argc > 0)
 691     error (_("-stack-info-frame: No arguments allowed"));
 692
 693   print_frame_info (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 0, 1);
 694 }