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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [mi/] [mi-main.c] - Blame information for rev 842

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1 24 jeremybenn
/* MI Command Set.
2
 
3
   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
4
   Free Software Foundation, Inc.
5
 
6
   Contributed by Cygnus Solutions (a Red Hat company).
7
 
8
   This file is part of GDB.
9
 
10
   This program is free software; you can redistribute it and/or modify
11
   it under the terms of the GNU General Public License as published by
12
   the Free Software Foundation; either version 3 of the License, or
13
   (at your option) any later version.
14
 
15
   This program is distributed in the hope that it will be useful,
16
   but WITHOUT ANY WARRANTY; without even the implied warranty of
17
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
   GNU General Public License for more details.
19
 
20
   You should have received a copy of the GNU General Public License
21
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
22
 
23
/* Work in progress.  */
24
 
25
#include "defs.h"
26
#include "target.h"
27
#include "inferior.h"
28
#include "gdb_string.h"
29
#include "exceptions.h"
30
#include "top.h"
31
#include "gdbthread.h"
32
#include "mi-cmds.h"
33
#include "mi-parse.h"
34
#include "mi-getopt.h"
35
#include "mi-console.h"
36
#include "ui-out.h"
37
#include "mi-out.h"
38
#include "interps.h"
39
#include "event-loop.h"
40
#include "event-top.h"
41
#include "gdbcore.h"            /* For write_memory().  */
42
#include "value.h"
43
#include "regcache.h"
44
#include "gdb.h"
45
#include "frame.h"
46
#include "mi-main.h"
47
 
48
#include <ctype.h>
49
#include <sys/time.h>
50
 
51
#if defined HAVE_SYS_RESOURCE_H
52
#include <sys/resource.h>
53
#endif
54
 
55
#ifdef HAVE_GETRUSAGE
56
struct rusage rusage;
57
#endif
58
 
59
enum
60
  {
61
    FROM_TTY = 0
62
  };
63
 
64
/* Enumerations of the actions that may result from calling
65
   captured_mi_execute_command.  */
66
 
67
enum captured_mi_execute_command_actions
68
  {
69
    EXECUTE_COMMAND_DISPLAY_PROMPT,
70
    EXECUTE_COMMAND_SUPRESS_PROMPT
71
  };
72
 
73
/* This structure is used to pass information from captured_mi_execute_command
74
   to mi_execute_command.  */
75
struct captured_mi_execute_command_args
76
{
77
  /* This return result of the MI command (output).  */
78
  enum mi_cmd_result rc;
79
 
80
  /* What action to perform when the call is finished (output).  */
81
  enum captured_mi_execute_command_actions action;
82
 
83
  /* The command context to be executed (input).  */
84
  struct mi_parse *command;
85
};
86
 
87
int mi_debug_p;
88
struct ui_file *raw_stdout;
89
 
90
/* This is used to pass the current command timestamp
91
   down to continuation routines.  */
92
static struct mi_timestamp *current_command_ts;
93
 
94
static int do_timings = 0;
95
 
96
/* The token of the last asynchronous command.  */
97
static char *last_async_command;
98
static char *previous_async_command;
99
char *mi_error_message;
100
 
101
extern void _initialize_mi_main (void);
102
static enum mi_cmd_result mi_cmd_execute (struct mi_parse *parse);
103
 
104
static void mi_execute_cli_command (const char *cmd, int args_p,
105
                                    const char *args);
106
static enum mi_cmd_result mi_execute_async_cli_command (char *mi, char *args, int from_tty);
107
 
108
static void mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg);
109
 
110
static int register_changed_p (int regnum, struct regcache *,
111
                               struct regcache *);
112
static int get_register (int regnum, int format);
113
 
114
/* Command implementations.  FIXME: Is this libgdb?  No.  This is the MI
115
   layer that calls libgdb.  Any operation used in the below should be
116
   formalized.  */
117
 
118
static void timestamp (struct mi_timestamp *tv);
119
 
120
static void print_diff_now (struct mi_timestamp *start);
121
static void print_diff (struct mi_timestamp *start, struct mi_timestamp *end);
122
 
123
enum mi_cmd_result
124
mi_cmd_gdb_exit (char *command, char **argv, int argc)
125
{
126
  /* We have to print everything right here because we never return.  */
127
  if (last_async_command)
128
    fputs_unfiltered (last_async_command, raw_stdout);
129
  fputs_unfiltered ("^exit\n", raw_stdout);
130
  mi_out_put (uiout, raw_stdout);
131
  /* FIXME: The function called is not yet a formal libgdb function.  */
132
  quit_force (NULL, FROM_TTY);
133
  return MI_CMD_DONE;
134
}
135
 
136
enum mi_cmd_result
137
mi_cmd_exec_run (char *args, int from_tty)
138
{
139
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
140
  return mi_execute_async_cli_command ("run", args, from_tty);
141
}
142
 
143
enum mi_cmd_result
144
mi_cmd_exec_next (char *args, int from_tty)
145
{
146
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
147
  return mi_execute_async_cli_command ("next", args, from_tty);
148
}
149
 
150
enum mi_cmd_result
151
mi_cmd_exec_next_instruction (char *args, int from_tty)
152
{
153
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
154
  return mi_execute_async_cli_command ("nexti", args, from_tty);
155
}
156
 
157
enum mi_cmd_result
158
mi_cmd_exec_step (char *args, int from_tty)
159
{
160
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
161
  return mi_execute_async_cli_command ("step", args, from_tty);
162
}
163
 
164
enum mi_cmd_result
165
mi_cmd_exec_step_instruction (char *args, int from_tty)
166
{
167
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
168
  return mi_execute_async_cli_command ("stepi", args, from_tty);
169
}
170
 
171
enum mi_cmd_result
172
mi_cmd_exec_finish (char *args, int from_tty)
173
{
174
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
175
  return mi_execute_async_cli_command ("finish", args, from_tty);
176
}
177
 
178
enum mi_cmd_result
179
mi_cmd_exec_until (char *args, int from_tty)
180
{
181
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
182
  return mi_execute_async_cli_command ("until", args, from_tty);
183
}
184
 
185
enum mi_cmd_result
186
mi_cmd_exec_return (char *args, int from_tty)
187
{
188
  /* This command doesn't really execute the target, it just pops the
189
     specified number of frames. */
190
  if (*args)
191
    /* Call return_command with from_tty argument equal to 0 so as to
192
       avoid being queried.  */
193
    return_command (args, 0);
194
  else
195
    /* Call return_command with from_tty argument equal to 0 so as to
196
       avoid being queried.  */
197
    return_command (NULL, 0);
198
 
199
  /* Because we have called return_command with from_tty = 0, we need
200
     to print the frame here.  */
201
  print_stack_frame (get_selected_frame (NULL), 1, LOC_AND_ADDRESS);
202
 
203
  return MI_CMD_DONE;
204
}
205
 
206
enum mi_cmd_result
207
mi_cmd_exec_continue (char *args, int from_tty)
208
{
209
  /* FIXME: Should call a libgdb function, not a cli wrapper.  */
210
  return mi_execute_async_cli_command ("continue", args, from_tty);
211
}
212
 
213
/* Interrupt the execution of the target.  Note how we must play around
214
   with the token variables, in order to display the current token in
215
   the result of the interrupt command, and the previous execution
216
   token when the target finally stops.  See comments in
217
   mi_cmd_execute.  */
218
enum mi_cmd_result
219
mi_cmd_exec_interrupt (char *args, int from_tty)
220
{
221
  if (!target_executing)
222
    {
223
      mi_error_message = xstrprintf ("mi_cmd_exec_interrupt: Inferior not executing.");
224
      return MI_CMD_ERROR;
225
    }
226
  interrupt_target_command (args, from_tty);
227
  if (last_async_command)
228
    fputs_unfiltered (last_async_command, raw_stdout);
229
  fputs_unfiltered ("^done", raw_stdout);
230
  xfree (last_async_command);
231
  if (previous_async_command)
232
    last_async_command = xstrdup (previous_async_command);
233
  xfree (previous_async_command);
234
  previous_async_command = NULL;
235
  mi_out_put (uiout, raw_stdout);
236
  mi_out_rewind (uiout);
237
  fputs_unfiltered ("\n", raw_stdout);
238
  return MI_CMD_QUIET;
239
}
240
 
241
enum mi_cmd_result
242
mi_cmd_thread_select (char *command, char **argv, int argc)
243
{
244
  enum gdb_rc rc;
245
 
246
  if (argc != 1)
247
    {
248
      mi_error_message = xstrprintf ("mi_cmd_thread_select: USAGE: threadnum.");
249
      return MI_CMD_ERROR;
250
    }
251
  else
252
    rc = gdb_thread_select (uiout, argv[0], &mi_error_message);
253
 
254
  if (rc == GDB_RC_FAIL)
255
    return MI_CMD_ERROR;
256
  else
257
    return MI_CMD_DONE;
258
}
259
 
260
enum mi_cmd_result
261
mi_cmd_thread_list_ids (char *command, char **argv, int argc)
262
{
263
  enum gdb_rc rc;
264
 
265
  if (argc != 0)
266
    {
267
      mi_error_message = xstrprintf ("mi_cmd_thread_list_ids: No arguments required.");
268
      return MI_CMD_ERROR;
269
    }
270
  else
271
    rc = gdb_list_thread_ids (uiout, &mi_error_message);
272
 
273
  if (rc == GDB_RC_FAIL)
274
    return MI_CMD_ERROR;
275
  else
276
    return MI_CMD_DONE;
277
}
278
 
279
enum mi_cmd_result
280
mi_cmd_data_list_register_names (char *command, char **argv, int argc)
281
{
282
  int regnum, numregs;
283
  int i;
284
  struct cleanup *cleanup;
285
 
286
  /* Note that the test for a valid register must include checking the
287
     gdbarch_register_name because gdbarch_num_regs may be allocated for
288
     the union of the register sets within a family of related processors.
289
     In this case, some entries of gdbarch_register_name will change depending
290
     upon the particular processor being debugged.  */
291
 
292
  numregs = gdbarch_num_regs (current_gdbarch)
293
            + gdbarch_num_pseudo_regs (current_gdbarch);
294
 
295
  cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-names");
296
 
297
  if (argc == 0)         /* No args, just do all the regs.  */
298
    {
299
      for (regnum = 0;
300
           regnum < numregs;
301
           regnum++)
302
        {
303
          if (gdbarch_register_name (current_gdbarch, regnum) == NULL
304
              || *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
305
            ui_out_field_string (uiout, NULL, "");
306
          else
307
            ui_out_field_string (uiout, NULL,
308
                                 gdbarch_register_name
309
                                   (current_gdbarch, regnum));
310
        }
311
    }
312
 
313
  /* Else, list of register #s, just do listed regs.  */
314
  for (i = 0; i < argc; i++)
315
    {
316
      regnum = atoi (argv[i]);
317
      if (regnum < 0 || regnum >= numregs)
318
        {
319
          do_cleanups (cleanup);
320
          mi_error_message = xstrprintf ("bad register number");
321
          return MI_CMD_ERROR;
322
        }
323
      if (gdbarch_register_name (current_gdbarch, regnum) == NULL
324
          || *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
325
        ui_out_field_string (uiout, NULL, "");
326
      else
327
        ui_out_field_string (uiout, NULL,
328
                             gdbarch_register_name (current_gdbarch, regnum));
329
    }
330
  do_cleanups (cleanup);
331
  return MI_CMD_DONE;
332
}
333
 
334
enum mi_cmd_result
335
mi_cmd_data_list_changed_registers (char *command, char **argv, int argc)
336
{
337
  static struct regcache *this_regs = NULL;
338
  struct regcache *prev_regs;
339
  int regnum, numregs, changed;
340
  int i;
341
  struct cleanup *cleanup;
342
 
343
  /* The last time we visited this function, the current frame's register
344
     contents were saved in THIS_REGS.  Move THIS_REGS over to PREV_REGS,
345
     and refresh THIS_REGS with the now-current register contents.  */
346
 
347
  prev_regs = this_regs;
348
  this_regs = frame_save_as_regcache (get_selected_frame (NULL));
349
  cleanup = make_cleanup_regcache_xfree (prev_regs);
350
 
351
  /* Note that the test for a valid register must include checking the
352
     gdbarch_register_name because gdbarch_num_regs may be allocated for
353
     the union of the register sets within a family of related processors.
354
     In this  case, some entries of gdbarch_register_name will change depending
355
     upon the particular processor being debugged.  */
356
 
357
  numregs = gdbarch_num_regs (current_gdbarch)
358
            + gdbarch_num_pseudo_regs (current_gdbarch);
359
 
360
  make_cleanup_ui_out_list_begin_end (uiout, "changed-registers");
361
 
362
  if (argc == 0)         /* No args, just do all the regs.  */
363
    {
364
      for (regnum = 0;
365
           regnum < numregs;
366
           regnum++)
367
        {
368
          if (gdbarch_register_name (current_gdbarch, regnum) == NULL
369
              || *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
370
            continue;
371
          changed = register_changed_p (regnum, prev_regs, this_regs);
372
          if (changed < 0)
373
            {
374
              do_cleanups (cleanup);
375
              mi_error_message = xstrprintf ("mi_cmd_data_list_changed_registers: Unable to read register contents.");
376
              return MI_CMD_ERROR;
377
            }
378
          else if (changed)
379
            ui_out_field_int (uiout, NULL, regnum);
380
        }
381
    }
382
 
383
  /* Else, list of register #s, just do listed regs.  */
384
  for (i = 0; i < argc; i++)
385
    {
386
      regnum = atoi (argv[i]);
387
 
388
      if (regnum >= 0
389
          && regnum < numregs
390
          && gdbarch_register_name (current_gdbarch, regnum) != NULL
391
          && *gdbarch_register_name (current_gdbarch, regnum) != '\000')
392
        {
393
          changed = register_changed_p (regnum, prev_regs, this_regs);
394
          if (changed < 0)
395
            {
396
              do_cleanups (cleanup);
397
              mi_error_message = xstrprintf ("mi_cmd_data_list_register_change: Unable to read register contents.");
398
              return MI_CMD_ERROR;
399
            }
400
          else if (changed)
401
            ui_out_field_int (uiout, NULL, regnum);
402
        }
403
      else
404
        {
405
          do_cleanups (cleanup);
406
          mi_error_message = xstrprintf ("bad register number");
407
          return MI_CMD_ERROR;
408
        }
409
    }
410
  do_cleanups (cleanup);
411
  return MI_CMD_DONE;
412
}
413
 
414
static int
415
register_changed_p (int regnum, struct regcache *prev_regs,
416
                    struct regcache *this_regs)
417
{
418
  struct gdbarch *gdbarch = get_regcache_arch (this_regs);
419
  gdb_byte prev_buffer[MAX_REGISTER_SIZE];
420
  gdb_byte this_buffer[MAX_REGISTER_SIZE];
421
 
422
  /* Registers not valid in this frame return count as unchanged.  */
423
  if (!regcache_valid_p (this_regs, regnum))
424
    return 0;
425
 
426
  /* First time through or after gdbarch change consider all registers as
427
     changed.  Same for registers not valid in the previous frame.  */
428
  if (!prev_regs || get_regcache_arch (prev_regs) != gdbarch
429
      || !regcache_valid_p (prev_regs, regnum))
430
    return 1;
431
 
432
  /* Get register contents and compare.  */
433
  regcache_cooked_read (prev_regs, regnum, prev_buffer);
434
  regcache_cooked_read (this_regs, regnum, this_buffer);
435
 
436
  return memcmp (prev_buffer, this_buffer,
437
                 register_size (gdbarch, regnum)) != 0;
438
}
439
 
440
/* Return a list of register number and value pairs.  The valid
441
   arguments expected are: a letter indicating the format in which to
442
   display the registers contents.  This can be one of: x (hexadecimal), d
443
   (decimal), N (natural), t (binary), o (octal), r (raw).  After the
444
   format argumetn there can be a sequence of numbers, indicating which
445
   registers to fetch the content of.  If the format is the only argument,
446
   a list of all the registers with their values is returned.  */
447
enum mi_cmd_result
448
mi_cmd_data_list_register_values (char *command, char **argv, int argc)
449
{
450
  int regnum, numregs, format, result;
451
  int i;
452
  struct cleanup *list_cleanup, *tuple_cleanup;
453
 
454
  /* Note that the test for a valid register must include checking the
455
     gdbarch_register_name because gdbarch_num_regs may be allocated for
456
     the union of the register sets within a family of related processors.
457
     In this case, some entries of gdbarch_register_name will change depending
458
     upon the particular processor being debugged.  */
459
 
460
  numregs = gdbarch_num_regs (current_gdbarch)
461
            + gdbarch_num_pseudo_regs (current_gdbarch);
462
 
463
  if (argc == 0)
464
    {
465
      mi_error_message = xstrprintf ("mi_cmd_data_list_register_values: Usage: -data-list-register-values <format> [<regnum1>...<regnumN>]");
466
      return MI_CMD_ERROR;
467
    }
468
 
469
  format = (int) argv[0][0];
470
 
471
  list_cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-values");
472
 
473
  if (argc == 1)            /* No args, beside the format: do all the regs.  */
474
    {
475
      for (regnum = 0;
476
           regnum < numregs;
477
           regnum++)
478
        {
479
          if (gdbarch_register_name (current_gdbarch, regnum) == NULL
480
              || *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
481
            continue;
482
          tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
483
          ui_out_field_int (uiout, "number", regnum);
484
          result = get_register (regnum, format);
485
          if (result == -1)
486
            {
487
              do_cleanups (list_cleanup);
488
              return MI_CMD_ERROR;
489
            }
490
          do_cleanups (tuple_cleanup);
491
        }
492
    }
493
 
494
  /* Else, list of register #s, just do listed regs.  */
495
  for (i = 1; i < argc; i++)
496
    {
497
      regnum = atoi (argv[i]);
498
 
499
      if (regnum >= 0
500
          && regnum < numregs
501
          && gdbarch_register_name (current_gdbarch, regnum) != NULL
502
          && *gdbarch_register_name (current_gdbarch, regnum) != '\000')
503
        {
504
          tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
505
          ui_out_field_int (uiout, "number", regnum);
506
          result = get_register (regnum, format);
507
          if (result == -1)
508
            {
509
              do_cleanups (list_cleanup);
510
              return MI_CMD_ERROR;
511
            }
512
          do_cleanups (tuple_cleanup);
513
        }
514
      else
515
        {
516
          do_cleanups (list_cleanup);
517
          mi_error_message = xstrprintf ("bad register number");
518
          return MI_CMD_ERROR;
519
        }
520
    }
521
  do_cleanups (list_cleanup);
522
  return MI_CMD_DONE;
523
}
524
 
525
/* Output one register's contents in the desired format.  */
526
static int
527
get_register (int regnum, int format)
528
{
529
  gdb_byte buffer[MAX_REGISTER_SIZE];
530
  int optim;
531
  int realnum;
532
  CORE_ADDR addr;
533
  enum lval_type lval;
534
  static struct ui_stream *stb = NULL;
535
 
536
  stb = ui_out_stream_new (uiout);
537
 
538
  if (format == 'N')
539
    format = 0;
540
 
541
  frame_register (get_selected_frame (NULL), regnum, &optim, &lval, &addr,
542
                  &realnum, buffer);
543
 
544
  if (optim)
545
    {
546
      mi_error_message = xstrprintf ("Optimized out");
547
      return -1;
548
    }
549
 
550
  if (format == 'r')
551
    {
552
      int j;
553
      char *ptr, buf[1024];
554
 
555
      strcpy (buf, "0x");
556
      ptr = buf + 2;
557
      for (j = 0; j < register_size (current_gdbarch, regnum); j++)
558
        {
559
          int idx = gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG ? j
560
          : register_size (current_gdbarch, regnum) - 1 - j;
561
          sprintf (ptr, "%02x", (unsigned char) buffer[idx]);
562
          ptr += 2;
563
        }
564
      ui_out_field_string (uiout, "value", buf);
565
      /*fputs_filtered (buf, gdb_stdout); */
566
    }
567
  else
568
    {
569
      val_print (register_type (current_gdbarch, regnum), buffer, 0, 0,
570
                 stb->stream, format, 1, 0, Val_pretty_default);
571
      ui_out_field_stream (uiout, "value", stb);
572
      ui_out_stream_delete (stb);
573
    }
574
  return 1;
575
}
576
 
577
/* Write given values into registers. The registers and values are
578
   given as pairs.  The corresponding MI command is
579
   -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]*/
580
enum mi_cmd_result
581
mi_cmd_data_write_register_values (char *command, char **argv, int argc)
582
{
583
  int numregs, i;
584
  char format;
585
 
586
  /* Note that the test for a valid register must include checking the
587
     gdbarch_register_name because gdbarch_num_regs may be allocated for
588
     the union of the register sets within a family of related processors.
589
     In this case, some entries of gdbarch_register_name will change depending
590
     upon the particular processor being debugged.  */
591
 
592
  numregs = gdbarch_num_regs (current_gdbarch)
593
            + gdbarch_num_pseudo_regs (current_gdbarch);
594
 
595
  if (argc == 0)
596
    {
597
      mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: Usage: -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]");
598
      return MI_CMD_ERROR;
599
    }
600
 
601
  format = (int) argv[0][0];
602
 
603
  if (!target_has_registers)
604
    {
605
      mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: No registers.");
606
      return MI_CMD_ERROR;
607
    }
608
 
609
  if (!(argc - 1))
610
    {
611
      mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: No regs and values specified.");
612
      return MI_CMD_ERROR;
613
    }
614
 
615
  if ((argc - 1) % 2)
616
    {
617
      mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: Regs and vals are not in pairs.");
618
      return MI_CMD_ERROR;
619
    }
620
 
621
  for (i = 1; i < argc; i = i + 2)
622
    {
623
      int regnum = atoi (argv[i]);
624
 
625
      if (regnum >= 0 && regnum < numregs
626
          && gdbarch_register_name (current_gdbarch, regnum)
627
          && *gdbarch_register_name (current_gdbarch, regnum))
628
        {
629
          LONGEST value;
630
 
631
          /* Get the value as a number.  */
632
          value = parse_and_eval_address (argv[i + 1]);
633
 
634
          /* Write it down.  */
635
          regcache_cooked_write_signed (get_current_regcache (), regnum, value);
636
        }
637
      else
638
        {
639
          mi_error_message = xstrprintf ("bad register number");
640
          return MI_CMD_ERROR;
641
        }
642
    }
643
  return MI_CMD_DONE;
644
}
645
 
646
/* Evaluate the value of the argument.  The argument is an
647
   expression. If the expression contains spaces it needs to be
648
   included in double quotes.  */
649
enum mi_cmd_result
650
mi_cmd_data_evaluate_expression (char *command, char **argv, int argc)
651
{
652
  struct expression *expr;
653
  struct cleanup *old_chain = NULL;
654
  struct value *val;
655
  struct ui_stream *stb = NULL;
656
 
657
  stb = ui_out_stream_new (uiout);
658
 
659
  if (argc != 1)
660
    {
661
      mi_error_message = xstrprintf ("mi_cmd_data_evaluate_expression: Usage: -data-evaluate-expression expression");
662
      ui_out_stream_delete (stb);
663
      return MI_CMD_ERROR;
664
    }
665
 
666
  expr = parse_expression (argv[0]);
667
 
668
  old_chain = make_cleanup (free_current_contents, &expr);
669
 
670
  val = evaluate_expression (expr);
671
 
672
  /* Print the result of the expression evaluation.  */
673
  val_print (value_type (val), value_contents (val),
674
             value_embedded_offset (val), VALUE_ADDRESS (val),
675
             stb->stream, 0, 0, 0, 0);
676
 
677
  ui_out_field_stream (uiout, "value", stb);
678
  ui_out_stream_delete (stb);
679
 
680
  do_cleanups (old_chain);
681
 
682
  return MI_CMD_DONE;
683
}
684
 
685
enum mi_cmd_result
686
mi_cmd_target_download (char *args, int from_tty)
687
{
688
  char *run;
689
  struct cleanup *old_cleanups = NULL;
690
 
691
  run = xstrprintf ("load %s", args);
692
  old_cleanups = make_cleanup (xfree, run);
693
  execute_command (run, from_tty);
694
 
695
  do_cleanups (old_cleanups);
696
  return MI_CMD_DONE;
697
}
698
 
699
/* Connect to the remote target.  */
700
enum mi_cmd_result
701
mi_cmd_target_select (char *args, int from_tty)
702
{
703
  char *run;
704
  struct cleanup *old_cleanups = NULL;
705
 
706
  run = xstrprintf ("target %s", args);
707
  old_cleanups = make_cleanup (xfree, run);
708
 
709
  /* target-select is always synchronous.  Once the call has returned
710
     we know that we are connected.  */
711
  /* NOTE: At present all targets that are connected are also
712
     (implicitly) talking to a halted target.  In the future this may
713
     change.  */
714
  execute_command (run, from_tty);
715
 
716
  do_cleanups (old_cleanups);
717
 
718
  /* Issue the completion message here.  */
719
  if (last_async_command)
720
    fputs_unfiltered (last_async_command, raw_stdout);
721
  fputs_unfiltered ("^connected", raw_stdout);
722
  mi_out_put (uiout, raw_stdout);
723
  mi_out_rewind (uiout);
724
  fputs_unfiltered ("\n", raw_stdout);
725
  do_exec_cleanups (ALL_CLEANUPS);
726
  return MI_CMD_QUIET;
727
}
728
 
729
/* DATA-MEMORY-READ:
730
 
731
   ADDR: start address of data to be dumped.
732
   WORD-FORMAT: a char indicating format for the ``word''.  See
733
   the ``x'' command.
734
   WORD-SIZE: size of each ``word''; 1,2,4, or 8 bytes.
735
   NR_ROW: Number of rows.
736
   NR_COL: The number of colums (words per row).
737
   ASCHAR: (OPTIONAL) Append an ascii character dump to each row.  Use
738
   ASCHAR for unprintable characters.
739
 
740
   Reads SIZE*NR_ROW*NR_COL bytes starting at ADDR from memory and
741
   displayes them.  Returns:
742
 
743
   {addr="...",rowN={wordN="..." ,... [,ascii="..."]}, ...}
744
 
745
   Returns:
746
   The number of bytes read is SIZE*ROW*COL. */
747
 
748
enum mi_cmd_result
749
mi_cmd_data_read_memory (char *command, char **argv, int argc)
750
{
751
  struct cleanup *cleanups = make_cleanup (null_cleanup, NULL);
752
  CORE_ADDR addr;
753
  long total_bytes;
754
  long nr_cols;
755
  long nr_rows;
756
  char word_format;
757
  struct type *word_type;
758
  long word_size;
759
  char word_asize;
760
  char aschar;
761
  gdb_byte *mbuf;
762
  int nr_bytes;
763
  long offset = 0;
764
  int optind = 0;
765
  char *optarg;
766
  enum opt
767
    {
768
      OFFSET_OPT
769
    };
770
  static struct mi_opt opts[] =
771
  {
772
    {"o", OFFSET_OPT, 1},
773
    { 0, 0, 0 }
774
  };
775
 
776
  while (1)
777
    {
778
      int opt = mi_getopt ("mi_cmd_data_read_memory", argc, argv, opts,
779
                           &optind, &optarg);
780
      if (opt < 0)
781
        break;
782
      switch ((enum opt) opt)
783
        {
784
        case OFFSET_OPT:
785
          offset = atol (optarg);
786
          break;
787
        }
788
    }
789
  argv += optind;
790
  argc -= optind;
791
 
792
  if (argc < 5 || argc > 6)
793
    {
794
      mi_error_message = xstrprintf ("mi_cmd_data_read_memory: Usage: ADDR WORD-FORMAT WORD-SIZE NR-ROWS NR-COLS [ASCHAR].");
795
      return MI_CMD_ERROR;
796
    }
797
 
798
  /* Extract all the arguments. */
799
 
800
  /* Start address of the memory dump.  */
801
  addr = parse_and_eval_address (argv[0]) + offset;
802
  /* The format character to use when displaying a memory word.  See
803
     the ``x'' command. */
804
  word_format = argv[1][0];
805
  /* The size of the memory word.  */
806
  word_size = atol (argv[2]);
807
  switch (word_size)
808
    {
809
    case 1:
810
      word_type = builtin_type_int8;
811
      word_asize = 'b';
812
      break;
813
    case 2:
814
      word_type = builtin_type_int16;
815
      word_asize = 'h';
816
      break;
817
    case 4:
818
      word_type = builtin_type_int32;
819
      word_asize = 'w';
820
      break;
821
    case 8:
822
      word_type = builtin_type_int64;
823
      word_asize = 'g';
824
      break;
825
    default:
826
      word_type = builtin_type_int8;
827
      word_asize = 'b';
828
    }
829
  /* The number of rows.  */
830
  nr_rows = atol (argv[3]);
831
  if (nr_rows <= 0)
832
    {
833
      mi_error_message = xstrprintf ("mi_cmd_data_read_memory: invalid number of rows.");
834
      return MI_CMD_ERROR;
835
    }
836
  /* Number of bytes per row.  */
837
  nr_cols = atol (argv[4]);
838
  if (nr_cols <= 0)
839
    {
840
      mi_error_message = xstrprintf ("mi_cmd_data_read_memory: invalid number of columns.");
841
      return MI_CMD_ERROR;
842
    }
843
  /* The un-printable character when printing ascii.  */
844
  if (argc == 6)
845
    aschar = *argv[5];
846
  else
847
    aschar = 0;
848
 
849
  /* Create a buffer and read it in.  */
850
  total_bytes = word_size * nr_rows * nr_cols;
851
  mbuf = xcalloc (total_bytes, 1);
852
  make_cleanup (xfree, mbuf);
853
 
854
  nr_bytes = target_read (&current_target, TARGET_OBJECT_MEMORY, NULL,
855
                          mbuf, addr, total_bytes);
856
  if (nr_bytes <= 0)
857
    {
858
      do_cleanups (cleanups);
859
      mi_error_message = xstrdup ("Unable to read memory.");
860
      return MI_CMD_ERROR;
861
    }
862
 
863
  /* Output the header information.  */
864
  ui_out_field_core_addr (uiout, "addr", addr);
865
  ui_out_field_int (uiout, "nr-bytes", nr_bytes);
866
  ui_out_field_int (uiout, "total-bytes", total_bytes);
867
  ui_out_field_core_addr (uiout, "next-row", addr + word_size * nr_cols);
868
  ui_out_field_core_addr (uiout, "prev-row", addr - word_size * nr_cols);
869
  ui_out_field_core_addr (uiout, "next-page", addr + total_bytes);
870
  ui_out_field_core_addr (uiout, "prev-page", addr - total_bytes);
871
 
872
  /* Build the result as a two dimentional table.  */
873
  {
874
    struct ui_stream *stream = ui_out_stream_new (uiout);
875
    struct cleanup *cleanup_list_memory;
876
    int row;
877
    int row_byte;
878
    cleanup_list_memory = make_cleanup_ui_out_list_begin_end (uiout, "memory");
879
    for (row = 0, row_byte = 0;
880
         row < nr_rows;
881
         row++, row_byte += nr_cols * word_size)
882
      {
883
        int col;
884
        int col_byte;
885
        struct cleanup *cleanup_tuple;
886
        struct cleanup *cleanup_list_data;
887
        cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
888
        ui_out_field_core_addr (uiout, "addr", addr + row_byte);
889
        /* ui_out_field_core_addr_symbolic (uiout, "saddr", addr + row_byte); */
890
        cleanup_list_data = make_cleanup_ui_out_list_begin_end (uiout, "data");
891
        for (col = 0, col_byte = row_byte;
892
             col < nr_cols;
893
             col++, col_byte += word_size)
894
          {
895
            if (col_byte + word_size > nr_bytes)
896
              {
897
                ui_out_field_string (uiout, NULL, "N/A");
898
              }
899
            else
900
              {
901
                ui_file_rewind (stream->stream);
902
                print_scalar_formatted (mbuf + col_byte, word_type, word_format,
903
                                        word_asize, stream->stream);
904
                ui_out_field_stream (uiout, NULL, stream);
905
              }
906
          }
907
        do_cleanups (cleanup_list_data);
908
        if (aschar)
909
          {
910
            int byte;
911
            ui_file_rewind (stream->stream);
912
            for (byte = row_byte; byte < row_byte + word_size * nr_cols; byte++)
913
              {
914
                if (byte >= nr_bytes)
915
                  {
916
                    fputc_unfiltered ('X', stream->stream);
917
                  }
918
                else if (mbuf[byte] < 32 || mbuf[byte] > 126)
919
                  {
920
                    fputc_unfiltered (aschar, stream->stream);
921
                  }
922
                else
923
                  fputc_unfiltered (mbuf[byte], stream->stream);
924
              }
925
            ui_out_field_stream (uiout, "ascii", stream);
926
          }
927
        do_cleanups (cleanup_tuple);
928
      }
929
    ui_out_stream_delete (stream);
930
    do_cleanups (cleanup_list_memory);
931
  }
932
  do_cleanups (cleanups);
933
  return MI_CMD_DONE;
934
}
935
 
936
/* DATA-MEMORY-WRITE:
937
 
938
   COLUMN_OFFSET: optional argument. Must be preceeded by '-o'. The
939
   offset from the beginning of the memory grid row where the cell to
940
   be written is.
941
   ADDR: start address of the row in the memory grid where the memory
942
   cell is, if OFFSET_COLUMN is specified.  Otherwise, the address of
943
   the location to write to.
944
   FORMAT: a char indicating format for the ``word''.  See
945
   the ``x'' command.
946
   WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes
947
   VALUE: value to be written into the memory address.
948
 
949
   Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE).
950
 
951
   Prints nothing.  */
952
enum mi_cmd_result
953
mi_cmd_data_write_memory (char *command, char **argv, int argc)
954
{
955
  CORE_ADDR addr;
956
  char word_format;
957
  long word_size;
958
  /* FIXME: ezannoni 2000-02-17 LONGEST could possibly not be big
959
     enough when using a compiler other than GCC.  */
960
  LONGEST value;
961
  void *buffer;
962
  struct cleanup *old_chain;
963
  long offset = 0;
964
  int optind = 0;
965
  char *optarg;
966
  enum opt
967
    {
968
      OFFSET_OPT
969
    };
970
  static struct mi_opt opts[] =
971
  {
972
    {"o", OFFSET_OPT, 1},
973
    { 0, 0, 0 }
974
  };
975
 
976
  while (1)
977
    {
978
      int opt = mi_getopt ("mi_cmd_data_write_memory", argc, argv, opts,
979
                           &optind, &optarg);
980
      if (opt < 0)
981
        break;
982
      switch ((enum opt) opt)
983
        {
984
        case OFFSET_OPT:
985
          offset = atol (optarg);
986
          break;
987
        }
988
    }
989
  argv += optind;
990
  argc -= optind;
991
 
992
  if (argc != 4)
993
    {
994
      mi_error_message = xstrprintf ("mi_cmd_data_write_memory: Usage: [-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE.");
995
      return MI_CMD_ERROR;
996
    }
997
 
998
  /* Extract all the arguments.  */
999
  /* Start address of the memory dump.  */
1000
  addr = parse_and_eval_address (argv[0]);
1001
  /* The format character to use when displaying a memory word.  See
1002
     the ``x'' command.  */
1003
  word_format = argv[1][0];
1004
  /* The size of the memory word. */
1005
  word_size = atol (argv[2]);
1006
 
1007
  /* Calculate the real address of the write destination.  */
1008
  addr += (offset * word_size);
1009
 
1010
  /* Get the value as a number.  */
1011
  value = parse_and_eval_address (argv[3]);
1012
  /* Get the value into an array.  */
1013
  buffer = xmalloc (word_size);
1014
  old_chain = make_cleanup (xfree, buffer);
1015
  store_signed_integer (buffer, word_size, value);
1016
  /* Write it down to memory.  */
1017
  write_memory (addr, buffer, word_size);
1018
  /* Free the buffer.  */
1019
  do_cleanups (old_chain);
1020
 
1021
  return MI_CMD_DONE;
1022
}
1023
 
1024
enum mi_cmd_result
1025
mi_cmd_enable_timings (char *command, char **argv, int argc)
1026
{
1027
  if (argc == 0)
1028
    do_timings = 1;
1029
  else if (argc == 1)
1030
    {
1031
      if (strcmp (argv[0], "yes") == 0)
1032
        do_timings = 1;
1033
      else if (strcmp (argv[0], "no") == 0)
1034
        do_timings = 0;
1035
      else
1036
        goto usage_error;
1037
    }
1038
  else
1039
    goto usage_error;
1040
 
1041
  return MI_CMD_DONE;
1042
 
1043
 usage_error:
1044
  error ("mi_cmd_enable_timings: Usage: %s {yes|no}", command);
1045
  return MI_CMD_ERROR;
1046
}
1047
 
1048
enum mi_cmd_result
1049
mi_cmd_list_features (char *command, char **argv, int argc)
1050
{
1051
  if (argc == 0)
1052
    {
1053
      struct cleanup *cleanup = NULL;
1054
      cleanup = make_cleanup_ui_out_list_begin_end (uiout, "features");
1055
 
1056
      ui_out_field_string (uiout, NULL, "frozen-varobjs");
1057
      ui_out_field_string (uiout, NULL, "pending-breakpoints");
1058
 
1059
      do_cleanups (cleanup);
1060
 
1061
      return MI_CMD_DONE;
1062
    }
1063
 
1064
  error ("-list-features should be passed no arguments");
1065
  return MI_CMD_ERROR;
1066
}
1067
 
1068
/* Execute a command within a safe environment.
1069
   Return <0 for error; >=0 for ok.
1070
 
1071
   args->action will tell mi_execute_command what action
1072
   to perfrom after the given command has executed (display/supress
1073
   prompt, display error). */
1074
 
1075
static void
1076
captured_mi_execute_command (struct ui_out *uiout, void *data)
1077
{
1078
  struct captured_mi_execute_command_args *args =
1079
    (struct captured_mi_execute_command_args *) data;
1080
  struct mi_parse *context = args->command;
1081
 
1082
  struct mi_timestamp cmd_finished;
1083
 
1084
  switch (context->op)
1085
    {
1086
 
1087
    case MI_COMMAND:
1088
      /* A MI command was read from the input stream.  */
1089
      if (mi_debug_p)
1090
        /* FIXME: gdb_???? */
1091
        fprintf_unfiltered (raw_stdout, " token=`%s' command=`%s' args=`%s'\n",
1092
                            context->token, context->command, context->args);
1093
      /* FIXME: cagney/1999-09-25: Rather than this convoluted
1094
         condition expression, each function should return an
1095
         indication of what action is required and then switch on
1096
         that.  */
1097
      args->action = EXECUTE_COMMAND_DISPLAY_PROMPT;
1098
 
1099
      if (do_timings)
1100
        current_command_ts = context->cmd_start;
1101
 
1102
      args->rc = mi_cmd_execute (context);
1103
 
1104
      if (do_timings)
1105
          timestamp (&cmd_finished);
1106
 
1107
      if (!target_can_async_p () || !target_executing)
1108
        {
1109
          /* Print the result if there were no errors.
1110
 
1111
             Remember that on the way out of executing a command, you have
1112
             to directly use the mi_interp's uiout, since the command could
1113
             have reset the interpreter, in which case the current uiout
1114
             will most likely crash in the mi_out_* routines.  */
1115
          if (args->rc == MI_CMD_DONE)
1116
            {
1117
              fputs_unfiltered (context->token, raw_stdout);
1118
              fputs_unfiltered ("^done", raw_stdout);
1119
              mi_out_put (uiout, raw_stdout);
1120
              mi_out_rewind (uiout);
1121
              /* Have to check cmd_start, since the command could be
1122
                 -enable-timings.  */
1123
              if (do_timings && context->cmd_start)
1124
                  print_diff (context->cmd_start, &cmd_finished);
1125
              fputs_unfiltered ("\n", raw_stdout);
1126
            }
1127
          else if (args->rc == MI_CMD_ERROR)
1128
            {
1129
              if (mi_error_message)
1130
                {
1131
                  fputs_unfiltered (context->token, raw_stdout);
1132
                  fputs_unfiltered ("^error,msg=\"", raw_stdout);
1133
                  fputstr_unfiltered (mi_error_message, '"', raw_stdout);
1134
                  xfree (mi_error_message);
1135
                  mi_error_message = NULL;
1136
                  fputs_unfiltered ("\"\n", raw_stdout);
1137
                }
1138
              mi_out_rewind (uiout);
1139
            }
1140
          else
1141
            mi_out_rewind (uiout);
1142
        }
1143
      else if (sync_execution)
1144
        {
1145
          /* Don't print the prompt. We are executing the target in
1146
             synchronous mode.  */
1147
          args->action = EXECUTE_COMMAND_SUPRESS_PROMPT;
1148
          return;
1149
        }
1150
      break;
1151
 
1152
    case CLI_COMMAND:
1153
      {
1154
        char *argv[2];
1155
        /* A CLI command was read from the input stream.  */
1156
        /* This "feature" will be removed as soon as we have a
1157
           complete set of mi commands.  */
1158
        /* Echo the command on the console.  */
1159
        fprintf_unfiltered (gdb_stdlog, "%s\n", context->command);
1160
        /* Call the "console" interpreter.  */
1161
        argv[0] = "console";
1162
        argv[1] = context->command;
1163
        args->rc = mi_cmd_interpreter_exec ("-interpreter-exec", argv, 2);
1164
 
1165
        /* If we changed interpreters, DON'T print out anything.  */
1166
        if (current_interp_named_p (INTERP_MI)
1167
            || current_interp_named_p (INTERP_MI1)
1168
            || current_interp_named_p (INTERP_MI2)
1169
            || current_interp_named_p (INTERP_MI3))
1170
          {
1171
            if (args->rc == MI_CMD_DONE)
1172
              {
1173
                fputs_unfiltered (context->token, raw_stdout);
1174
                fputs_unfiltered ("^done", raw_stdout);
1175
                mi_out_put (uiout, raw_stdout);
1176
                mi_out_rewind (uiout);
1177
                fputs_unfiltered ("\n", raw_stdout);
1178
                args->action = EXECUTE_COMMAND_DISPLAY_PROMPT;
1179
              }
1180
            else if (args->rc == MI_CMD_ERROR)
1181
              {
1182
                if (mi_error_message)
1183
                  {
1184
                    fputs_unfiltered (context->token, raw_stdout);
1185
                    fputs_unfiltered ("^error,msg=\"", raw_stdout);
1186
                    fputstr_unfiltered (mi_error_message, '"', raw_stdout);
1187
                    xfree (mi_error_message);
1188
                    mi_error_message = NULL;
1189
                    fputs_unfiltered ("\"\n", raw_stdout);
1190
                  }
1191
                mi_out_rewind (uiout);
1192
              }
1193
            else
1194
              mi_out_rewind (uiout);
1195
          }
1196
        break;
1197
      }
1198
 
1199
    }
1200
 
1201
  return;
1202
}
1203
 
1204
 
1205
void
1206
mi_execute_command (char *cmd, int from_tty)
1207
{
1208
  struct mi_parse *command;
1209
  struct captured_mi_execute_command_args args;
1210
  struct ui_out *saved_uiout = uiout;
1211
 
1212
  /* This is to handle EOF (^D). We just quit gdb.  */
1213
  /* FIXME: we should call some API function here.  */
1214
  if (cmd == 0)
1215
    quit_force (NULL, from_tty);
1216
 
1217
  command = mi_parse (cmd);
1218
 
1219
  if (command != NULL)
1220
    {
1221
      struct gdb_exception result;
1222
 
1223
      if (do_timings)
1224
        {
1225
          command->cmd_start = (struct mi_timestamp *)
1226
            xmalloc (sizeof (struct mi_timestamp));
1227
          timestamp (command->cmd_start);
1228
        }
1229
 
1230
      /* FIXME: cagney/1999-11-04: Can this use of catch_exceptions either
1231
         be pushed even further down or even eliminated?  */
1232
      args.command = command;
1233
      result = catch_exception (uiout, captured_mi_execute_command, &args,
1234
                                RETURN_MASK_ALL);
1235
      exception_print (gdb_stderr, result);
1236
 
1237
      if (args.action == EXECUTE_COMMAND_SUPRESS_PROMPT)
1238
        {
1239
          /* The command is executing synchronously.  Bail out early
1240
             suppressing the finished prompt.  */
1241
          mi_parse_free (command);
1242
          return;
1243
        }
1244
      if (result.reason < 0)
1245
        {
1246
          /* The command execution failed and error() was called
1247
             somewhere.  */
1248
          fputs_unfiltered (command->token, raw_stdout);
1249
          fputs_unfiltered ("^error,msg=\"", raw_stdout);
1250
          if (result.message == NULL)
1251
            fputs_unfiltered ("unknown error", raw_stdout);
1252
          else
1253
              fputstr_unfiltered (result.message, '"', raw_stdout);
1254
          fputs_unfiltered ("\"\n", raw_stdout);
1255
          mi_out_rewind (uiout);
1256
        }
1257
      mi_parse_free (command);
1258
    }
1259
 
1260
  fputs_unfiltered ("(gdb) \n", raw_stdout);
1261
  gdb_flush (raw_stdout);
1262
  /* Print any buffered hook code.  */
1263
  /* ..... */
1264
}
1265
 
1266
static enum mi_cmd_result
1267
mi_cmd_execute (struct mi_parse *parse)
1268
{
1269
  free_all_values ();
1270
 
1271
  if (parse->cmd->argv_func != NULL
1272
      || parse->cmd->args_func != NULL)
1273
    {
1274
      /* FIXME: We need to save the token because the command executed
1275
         may be asynchronous and need to print the token again.
1276
         In the future we can pass the token down to the func
1277
         and get rid of the last_async_command.  */
1278
      /* The problem here is to keep the token around when we launch
1279
         the target, and we want to interrupt it later on.  The
1280
         interrupt command will have its own token, but when the
1281
         target stops, we must display the token corresponding to the
1282
         last execution command given.  So we have another string where
1283
         we copy the token (previous_async_command), if this was
1284
         indeed the token of an execution command, and when we stop we
1285
         print that one.  This is possible because the interrupt
1286
         command, when over, will copy that token back into the
1287
         default token string (last_async_command).  */
1288
 
1289
      if (target_executing)
1290
        {
1291
          if (!previous_async_command)
1292
            previous_async_command = xstrdup (last_async_command);
1293
          if (strcmp (parse->command, "exec-interrupt"))
1294
            {
1295
              fputs_unfiltered (parse->token, raw_stdout);
1296
              fputs_unfiltered ("^error,msg=\"", raw_stdout);
1297
              fputs_unfiltered ("Cannot execute command ", raw_stdout);
1298
              fputstr_unfiltered (parse->command, '"', raw_stdout);
1299
              fputs_unfiltered (" while target running", raw_stdout);
1300
              fputs_unfiltered ("\"\n", raw_stdout);
1301
              return MI_CMD_ERROR;
1302
            }
1303
        }
1304
      last_async_command = xstrdup (parse->token);
1305
      make_exec_cleanup (free_current_contents, &last_async_command);
1306
      /* FIXME: DELETE THIS! */
1307
      if (parse->cmd->args_func != NULL)
1308
        return parse->cmd->args_func (parse->args, 0 /*from_tty */ );
1309
      return parse->cmd->argv_func (parse->command, parse->argv, parse->argc);
1310
    }
1311
  else if (parse->cmd->cli.cmd != 0)
1312
    {
1313
      /* FIXME: DELETE THIS. */
1314
      /* The operation is still implemented by a cli command.  */
1315
      /* Must be a synchronous one.  */
1316
      mi_execute_cli_command (parse->cmd->cli.cmd, parse->cmd->cli.args_p,
1317
                              parse->args);
1318
      return MI_CMD_DONE;
1319
    }
1320
  else
1321
    {
1322
      /* FIXME: DELETE THIS.  */
1323
      fputs_unfiltered (parse->token, raw_stdout);
1324
      fputs_unfiltered ("^error,msg=\"", raw_stdout);
1325
      fputs_unfiltered ("Undefined mi command: ", raw_stdout);
1326
      fputstr_unfiltered (parse->command, '"', raw_stdout);
1327
      fputs_unfiltered (" (missing implementation)", raw_stdout);
1328
      fputs_unfiltered ("\"\n", raw_stdout);
1329
      return MI_CMD_ERROR;
1330
    }
1331
}
1332
 
1333
/* FIXME: This is just a hack so we can get some extra commands going.
1334
   We don't want to channel things through the CLI, but call libgdb directly.
1335
   Use only for synchronous commands.  */
1336
 
1337
void
1338
mi_execute_cli_command (const char *cmd, int args_p, const char *args)
1339
{
1340
  if (cmd != 0)
1341
    {
1342
      struct cleanup *old_cleanups;
1343
      char *run;
1344
      if (args_p)
1345
        run = xstrprintf ("%s %s", cmd, args);
1346
      else
1347
        run = xstrdup (cmd);
1348
      if (mi_debug_p)
1349
        /* FIXME: gdb_???? */
1350
        fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n",
1351
                            cmd, run);
1352
      old_cleanups = make_cleanup (xfree, run);
1353
      execute_command ( /*ui */ run, 0 /*from_tty */ );
1354
      do_cleanups (old_cleanups);
1355
      return;
1356
    }
1357
}
1358
 
1359
enum mi_cmd_result
1360
mi_execute_async_cli_command (char *mi, char *args, int from_tty)
1361
{
1362
  struct cleanup *old_cleanups;
1363
  char *run;
1364
  char *async_args;
1365
 
1366
  if (target_can_async_p ())
1367
    {
1368
      async_args = (char *) xmalloc (strlen (args) + 2);
1369
      make_exec_cleanup (free, async_args);
1370
      strcpy (async_args, args);
1371
      strcat (async_args, "&");
1372
      run = xstrprintf ("%s %s", mi, async_args);
1373
      make_exec_cleanup (free, run);
1374
      add_continuation (mi_exec_async_cli_cmd_continuation, NULL);
1375
      old_cleanups = NULL;
1376
    }
1377
  else
1378
    {
1379
      run = xstrprintf ("%s %s", mi, args);
1380
      old_cleanups = make_cleanup (xfree, run);
1381
    }
1382
 
1383
  if (!target_can_async_p ())
1384
    {
1385
      /* NOTE: For synchronous targets asynchronous behavour is faked by
1386
         printing out the GDB prompt before we even try to execute the
1387
         command.  */
1388
      if (last_async_command)
1389
        fputs_unfiltered (last_async_command, raw_stdout);
1390
      fputs_unfiltered ("^running\n", raw_stdout);
1391
      fputs_unfiltered ("(gdb) \n", raw_stdout);
1392
      gdb_flush (raw_stdout);
1393
    }
1394
  else
1395
    {
1396
      /* FIXME: cagney/1999-11-29: Printing this message before
1397
         calling execute_command is wrong.  It should only be printed
1398
         once gdb has confirmed that it really has managed to send a
1399
         run command to the target.  */
1400
      if (last_async_command)
1401
        fputs_unfiltered (last_async_command, raw_stdout);
1402
      fputs_unfiltered ("^running\n", raw_stdout);
1403
    }
1404
 
1405
  execute_command ( /*ui */ run, 0 /*from_tty */ );
1406
 
1407
  if (!target_can_async_p ())
1408
    {
1409
      /* Do this before doing any printing.  It would appear that some
1410
         print code leaves garbage around in the buffer.  */
1411
      do_cleanups (old_cleanups);
1412
      /* If the target was doing the operation synchronously we fake
1413
         the stopped message.  */
1414
      if (last_async_command)
1415
        fputs_unfiltered (last_async_command, raw_stdout);
1416
      fputs_unfiltered ("*stopped", raw_stdout);
1417
      mi_out_put (uiout, raw_stdout);
1418
      mi_out_rewind (uiout);
1419
      if (do_timings)
1420
        print_diff_now (current_command_ts);
1421
      fputs_unfiltered ("\n", raw_stdout);
1422
      return MI_CMD_QUIET;
1423
    }
1424
  return MI_CMD_DONE;
1425
}
1426
 
1427
void
1428
mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg)
1429
{
1430
  if (last_async_command)
1431
    fputs_unfiltered (last_async_command, raw_stdout);
1432
  fputs_unfiltered ("*stopped", raw_stdout);
1433
  mi_out_put (uiout, raw_stdout);
1434
  fputs_unfiltered ("\n", raw_stdout);
1435
  fputs_unfiltered ("(gdb) \n", raw_stdout);
1436
  gdb_flush (raw_stdout);
1437
  do_exec_cleanups (ALL_CLEANUPS);
1438
}
1439
 
1440
void
1441
mi_load_progress (const char *section_name,
1442
                  unsigned long sent_so_far,
1443
                  unsigned long total_section,
1444
                  unsigned long total_sent,
1445
                  unsigned long grand_total)
1446
{
1447
  struct timeval time_now, delta, update_threshold;
1448
  static struct timeval last_update;
1449
  static char *previous_sect_name = NULL;
1450
  int new_section;
1451
  struct ui_out *saved_uiout;
1452
 
1453
  /* This function is called through deprecated_show_load_progress
1454
     which means uiout may not be correct.  Fix it for the duration
1455
     of this function.  */
1456
  saved_uiout = uiout;
1457
 
1458
  if (current_interp_named_p (INTERP_MI)
1459
      || current_interp_named_p (INTERP_MI2))
1460
    uiout = mi_out_new (2);
1461
  else if (current_interp_named_p (INTERP_MI1))
1462
    uiout = mi_out_new (1);
1463
  else if (current_interp_named_p (INTERP_MI3))
1464
    uiout = mi_out_new (3);
1465
  else
1466
    return;
1467
 
1468
  update_threshold.tv_sec = 0;
1469
  update_threshold.tv_usec = 500000;
1470
  gettimeofday (&time_now, NULL);
1471
 
1472
  delta.tv_usec = time_now.tv_usec - last_update.tv_usec;
1473
  delta.tv_sec = time_now.tv_sec - last_update.tv_sec;
1474
 
1475
  if (delta.tv_usec < 0)
1476
    {
1477
      delta.tv_sec -= 1;
1478
      delta.tv_usec += 1000000L;
1479
    }
1480
 
1481
  new_section = (previous_sect_name ?
1482
                 strcmp (previous_sect_name, section_name) : 1);
1483
  if (new_section)
1484
    {
1485
      struct cleanup *cleanup_tuple;
1486
      xfree (previous_sect_name);
1487
      previous_sect_name = xstrdup (section_name);
1488
 
1489
      if (last_async_command)
1490
        fputs_unfiltered (last_async_command, raw_stdout);
1491
      fputs_unfiltered ("+download", raw_stdout);
1492
      cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
1493
      ui_out_field_string (uiout, "section", section_name);
1494
      ui_out_field_int (uiout, "section-size", total_section);
1495
      ui_out_field_int (uiout, "total-size", grand_total);
1496
      do_cleanups (cleanup_tuple);
1497
      mi_out_put (uiout, raw_stdout);
1498
      fputs_unfiltered ("\n", raw_stdout);
1499
      gdb_flush (raw_stdout);
1500
    }
1501
 
1502
  if (delta.tv_sec >= update_threshold.tv_sec &&
1503
      delta.tv_usec >= update_threshold.tv_usec)
1504
    {
1505
      struct cleanup *cleanup_tuple;
1506
      last_update.tv_sec = time_now.tv_sec;
1507
      last_update.tv_usec = time_now.tv_usec;
1508
      if (last_async_command)
1509
        fputs_unfiltered (last_async_command, raw_stdout);
1510
      fputs_unfiltered ("+download", raw_stdout);
1511
      cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
1512
      ui_out_field_string (uiout, "section", section_name);
1513
      ui_out_field_int (uiout, "section-sent", sent_so_far);
1514
      ui_out_field_int (uiout, "section-size", total_section);
1515
      ui_out_field_int (uiout, "total-sent", total_sent);
1516
      ui_out_field_int (uiout, "total-size", grand_total);
1517
      do_cleanups (cleanup_tuple);
1518
      mi_out_put (uiout, raw_stdout);
1519
      fputs_unfiltered ("\n", raw_stdout);
1520
      gdb_flush (raw_stdout);
1521
    }
1522
 
1523
  xfree (uiout);
1524
  uiout = saved_uiout;
1525
}
1526
 
1527
static void
1528
timestamp (struct mi_timestamp *tv)
1529
  {
1530
    long usec;
1531
    gettimeofday (&tv->wallclock, NULL);
1532
#ifdef HAVE_GETRUSAGE
1533
    getrusage (RUSAGE_SELF, &rusage);
1534
    tv->utime.tv_sec = rusage.ru_utime.tv_sec;
1535
    tv->utime.tv_usec = rusage.ru_utime.tv_usec;
1536
    tv->stime.tv_sec = rusage.ru_stime.tv_sec;
1537
    tv->stime.tv_usec = rusage.ru_stime.tv_usec;
1538
#else
1539
    usec = get_run_time ();
1540
    tv->utime.tv_sec = usec/1000000L;
1541
    tv->utime.tv_usec = usec - 1000000L*tv->utime.tv_sec;
1542
    tv->stime.tv_sec = 0;
1543
    tv->stime.tv_usec = 0;
1544
#endif
1545
  }
1546
 
1547
static void
1548
print_diff_now (struct mi_timestamp *start)
1549
  {
1550
    struct mi_timestamp now;
1551
    timestamp (&now);
1552
    print_diff (start, &now);
1553
  }
1554
 
1555
static long
1556
timeval_diff (struct timeval start, struct timeval end)
1557
  {
1558
    return ((end.tv_sec - start.tv_sec) * 1000000L)
1559
      + (end.tv_usec - start.tv_usec);
1560
  }
1561
 
1562
static void
1563
print_diff (struct mi_timestamp *start, struct mi_timestamp *end)
1564
  {
1565
    fprintf_unfiltered
1566
      (raw_stdout,
1567
       ",time={wallclock=\"%0.5f\",user=\"%0.5f\",system=\"%0.5f\"}",
1568
       timeval_diff (start->wallclock, end->wallclock) / 1000000.0,
1569
       timeval_diff (start->utime, end->utime) / 1000000.0,
1570
       timeval_diff (start->stime, end->stime) / 1000000.0);
1571
  }

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