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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [mi/] [mi-main.c] - Blame information for rev 1774

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1 106 markom
/* MI Command Set.
2
   Copyright (C) 2000, 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 2 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, write to the Free Software
19
   Foundation, Inc., 59 Temple Place - Suite 330,
20
   Boston, MA 02111-1307, USA.  */
21
 
22
/* Work in progress */
23
 
24
#include "defs.h"
25
#include "target.h"
26
#include "inferior.h"
27
#include "gdb_string.h"
28
#include "top.h"
29
#include "gdbthread.h"
30
#include "mi-cmds.h"
31
#include "mi-parse.h"
32
#include "mi-getopt.h"
33
#include "mi-console.h"
34
#include "ui-out.h"
35
#include "mi-out.h"
36
#include "event-loop.h"
37
#include "event-top.h"
38
#include "gdbcore.h"            /* for write_memory() */
39
#include "value.h"              /* for write_register_bytes() */
40
#include <ctype.h>
41
#include <sys/time.h>
42
 
43
/* Convenience macro for allocting typesafe memory. */
44
 
45
#undef XMALLOC
46
#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
47
 
48
enum
49
  {
50
    FROM_TTY = 0
51
  };
52
 
53
 
54
int mi_debug_p;
55
struct ui_file *raw_stdout;
56
 
57
/* The token of the last asynchronous command */
58
static char *last_async_command;
59
static char *previous_async_command;
60
static char *mi_error_message;
61
static char *old_regs;
62
 
63
extern void _initialize_mi_main (void);
64
static char *mi_input (char *);
65
static void mi_execute_command (char *cmd, int from_tty);
66
static enum mi_cmd_result mi_cmd_execute (struct mi_parse *parse);
67
 
68
static void mi_execute_cli_command (const char *cli, char *args);
69
static enum mi_cmd_result mi_execute_async_cli_command (char *mi, char *args, int from_tty);
70
static void mi_execute_command_wrapper (char *cmd);
71
 
72
void mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg);
73
static void free_and_reset (char **arg);
74
 
75
static int register_changed_p (int regnum);
76
static int get_register (int regnum, int format);
77
static void mi_load_progress (const char *section_name,
78
                              unsigned long sent_so_far,
79
                              unsigned long total_section,
80
                              unsigned long total_sent,
81
                              unsigned long grand_total);
82
 
83
#ifdef UI_OUT
84
/* FIXME: these should go in some .h file, but infcmd.c doesn't have a
85
   corresponding .h file. These wrappers will be obsolete anyway, once
86
   we pull the plug on the sanitization. */
87
extern void interrupt_target_command_wrapper (char *, int);
88
extern void return_command_wrapper (char *, int);
89
#endif
90
 
91
/* Command implementations. FIXME: Is this libgdb? No.  This is the MI
92
   layer that calls libgdb.  Any operation used in the below should be
93
   formalized. */
94
 
95
enum mi_cmd_result
96
mi_cmd_gdb_exit (char *command, char **argv, int argc)
97
{
98
  /* We have to print everything right here because we never return */
99
  if (last_async_command)
100
    fputs_unfiltered (last_async_command, raw_stdout);
101
  fputs_unfiltered ("^exit\n", raw_stdout);
102
  mi_out_put (uiout, raw_stdout);
103
  /* FIXME: The function called is not yet a formal libgdb function */
104
  quit_force (NULL, FROM_TTY);
105
  return MI_CMD_DONE;
106
}
107
 
108
enum mi_cmd_result
109
mi_cmd_exec_run (char *args, int from_tty)
110
{
111
  /* FIXME: Should call a libgdb function, not a cli wrapper */
112
  return mi_execute_async_cli_command ("run", args, from_tty);
113
}
114
 
115
enum mi_cmd_result
116
mi_cmd_exec_next (char *args, int from_tty)
117
{
118
  /* FIXME: Should call a libgdb function, not a cli wrapper */
119
  return mi_execute_async_cli_command ("next", args, from_tty);
120
}
121
 
122
enum mi_cmd_result
123
mi_cmd_exec_next_instruction (char *args, int from_tty)
124
{
125
  /* FIXME: Should call a libgdb function, not a cli wrapper */
126
  return mi_execute_async_cli_command ("nexti", args, from_tty);
127
}
128
 
129
enum mi_cmd_result
130
mi_cmd_exec_step (char *args, int from_tty)
131
{
132
  /* FIXME: Should call a libgdb function, not a cli wrapper */
133
  return mi_execute_async_cli_command ("step", args, from_tty);
134
}
135
 
136
enum mi_cmd_result
137
mi_cmd_exec_step_instruction (char *args, int from_tty)
138
{
139
  /* FIXME: Should call a libgdb function, not a cli wrapper */
140
  return mi_execute_async_cli_command ("stepi", args, from_tty);
141
}
142
 
143
enum mi_cmd_result
144
mi_cmd_exec_finish (char *args, int from_tty)
145
{
146
  /* FIXME: Should call a libgdb function, not a cli wrapper */
147
  return mi_execute_async_cli_command ("finish", args, from_tty);
148
}
149
 
150
enum mi_cmd_result
151
mi_cmd_exec_until (char *args, int from_tty)
152
{
153
  /* FIXME: Should call a libgdb function, not a cli wrapper */
154
  return mi_execute_async_cli_command ("until", args, from_tty);
155
}
156
 
157
enum mi_cmd_result
158
mi_cmd_exec_return (char *args, int from_tty)
159
{
160
#ifdef UI_OUT
161
  /* This command doesn't really execute the target, it just pops the
162
     specified number of frames. */
163
  if (*args)
164
    /* Call return_command with from_tty argument equal to 0 so as to
165
       avoid being queried. */
166
    return_command_wrapper (args, 0);
167
  else
168
    /* Call return_command with from_tty argument equal to 0 so as to
169
       avoid being queried. */
170
    return_command_wrapper (NULL, 0);
171
 
172
  /* Because we have called return_command with from_tty = 0, we need
173
     to print the frame here. */
174
  show_and_print_stack_frame (selected_frame,
175
                              selected_frame_level,
176
                              LOC_AND_ADDRESS);
177
#endif
178
 
179
  return MI_CMD_DONE;
180
}
181
 
182
enum mi_cmd_result
183
mi_cmd_exec_continue (char *args, int from_tty)
184
{
185
  /* FIXME: Should call a libgdb function, not a cli wrapper */
186
  return mi_execute_async_cli_command ("continue", args, from_tty);
187
}
188
 
189
/* Interrupt the execution of the target. Note how we must play around
190
   with the token varialbes, in order to display the current token in
191
   the result of the interrupt command, and the previous execution
192
   token when the target finally stops. See comments in
193
   mi_cmd_execute. */
194
enum mi_cmd_result
195
mi_cmd_exec_interrupt (char *args, int from_tty)
196
{
197
#ifdef UI_OUT
198
  if (!target_executing)
199
    {
200
      asprintf (&mi_error_message, "mi_cmd_exec_interrupt: Inferior not executing.");
201
      return MI_CMD_ERROR;
202
    }
203
  interrupt_target_command_wrapper (args, from_tty);
204
  if (last_async_command)
205
    fputs_unfiltered (last_async_command, raw_stdout);
206
  fputs_unfiltered ("^done", raw_stdout);
207
  free (last_async_command);
208
  if (previous_async_command)
209
    last_async_command = xstrdup (previous_async_command);
210
  free (previous_async_command);
211
  previous_async_command = NULL;
212
  mi_out_put (uiout, raw_stdout);
213
  mi_out_rewind (uiout);
214
  fputs_unfiltered ("\n", raw_stdout);
215
#endif
216
  return MI_CMD_QUIET;
217
}
218
 
219
enum mi_cmd_result
220
mi_cmd_thread_select (char *command, char **argv, int argc)
221
{
222
  enum gdb_rc rc;
223
 
224
  if (argc != 1)
225
    {
226
      asprintf (&mi_error_message,
227
                "mi_cmd_thread_select: USAGE: threadnum.");
228
      return MI_CMD_ERROR;
229
    }
230
  else
231
    rc = gdb_thread_select (argv[0]);
232
 
233
  if (rc == GDB_RC_FAIL)
234
    return MI_CMD_CAUGHT_ERROR;
235
  else
236
    return MI_CMD_DONE;
237
}
238
 
239
enum mi_cmd_result
240
mi_cmd_thread_list_ids (char *command, char **argv, int argc)
241
{
242
  enum gdb_rc rc = MI_CMD_DONE;
243
 
244
  if (argc != 0)
245
    {
246
      asprintf (&mi_error_message,
247
                "mi_cmd_thread_list_ids: No arguments required.");
248
      return MI_CMD_ERROR;
249
    }
250
  else
251
#ifdef UI_OUT
252
    rc = gdb_list_thread_ids ();
253
#endif
254
 
255
  if (rc == GDB_RC_FAIL)
256
    return MI_CMD_CAUGHT_ERROR;
257
  else
258
    return MI_CMD_DONE;
259
}
260
 
261
enum mi_cmd_result
262
mi_cmd_data_list_register_names (char *command, char **argv, int argc)
263
{
264
  int regnum, numregs;
265
  int i;
266
 
267
  /* Note that the test for a valid register must include checking the
268
     REGISTER_NAME because NUM_REGS may be allocated for the union of
269
     the register sets within a family of related processors.  In this
270
     case, some entries of REGISTER_NAME will change depending upon
271
     the particular processor being debugged.  */
272
 
273
  numregs = ARCH_NUM_REGS;
274
 
275
  ui_out_list_begin (uiout, "register-names");
276
 
277
  if (argc == 0)         /* No args, just do all the regs */
278
    {
279
      for (regnum = 0;
280
           regnum < numregs;
281
           regnum++)
282
        {
283
          if (REGISTER_NAME (regnum) == NULL
284
              || *(REGISTER_NAME (regnum)) == '\0')
285
            continue;
286
 
287
          ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum));
288
        }
289
    }
290
 
291
  /* Else, list of register #s, just do listed regs */
292
  for (i = 0; i < argc; i++)
293
    {
294
      regnum = atoi (argv[i]);
295
 
296
      if (regnum >= 0
297
          && regnum < numregs
298
          && REGISTER_NAME (regnum) != NULL
299
          && *REGISTER_NAME (regnum) != '\000')
300
        ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum));
301
      else
302
        {
303
          asprintf (&mi_error_message, "bad register number");
304
          return MI_CMD_ERROR;
305
        }
306
    }
307
  ui_out_list_end (uiout);
308
  return MI_CMD_DONE;
309
}
310
 
311
enum mi_cmd_result
312
mi_cmd_data_list_changed_registers (char *command, char **argv, int argc)
313
{
314
  int regnum, numregs, changed;
315
  int i;
316
 
317
  /* Note that the test for a valid register must include checking the
318
     REGISTER_NAME because NUM_REGS may be allocated for the union of
319
     the register sets within a family of related processors.  In this
320
     case, some entries of REGISTER_NAME will change depending upon
321
     the particular processor being debugged.  */
322
 
323
  numregs = ARCH_NUM_REGS;
324
 
325
  ui_out_list_begin (uiout, "changed-registers");
326
 
327
  if (argc == 0)         /* No args, just do all the regs */
328
    {
329
      for (regnum = 0;
330
           regnum < numregs;
331
           regnum++)
332
        {
333
          if (REGISTER_NAME (regnum) == NULL
334
              || *(REGISTER_NAME (regnum)) == '\0')
335
            continue;
336
          changed = register_changed_p (regnum);
337
          if (changed < 0)
338
            {
339
              asprintf (&mi_error_message,
340
                        "mi_cmd_data_list_changed_registers: Unable to read register contents.");
341
              return MI_CMD_ERROR;
342
            }
343
          else if (changed)
344
            ui_out_field_int (uiout, NULL, regnum);
345
        }
346
    }
347
 
348
  /* Else, list of register #s, just do listed regs */
349
  for (i = 0; i < argc; i++)
350
    {
351
      regnum = atoi (argv[i]);
352
 
353
      if (regnum >= 0
354
          && regnum < numregs
355
          && REGISTER_NAME (regnum) != NULL
356
          && *REGISTER_NAME (regnum) != '\000')
357
        {
358
          changed = register_changed_p (regnum);
359
          if (changed < 0)
360
            {
361
              asprintf (&mi_error_message,
362
                        "mi_cmd_data_list_register_change: Unable to read register contents.");
363
              return MI_CMD_ERROR;
364
            }
365
          else if (changed)
366
            ui_out_field_int (uiout, NULL, regnum);
367
        }
368
      else
369
        {
370
          asprintf (&mi_error_message, "bad register number");
371
          return MI_CMD_ERROR;
372
        }
373
    }
374
  ui_out_list_end (uiout);
375
  return MI_CMD_DONE;
376
}
377
 
378
static int
379
register_changed_p (int regnum)
380
{
381
  char raw_buffer[MAX_REGISTER_RAW_SIZE];
382
 
383
  if (read_relative_register_raw_bytes (regnum, raw_buffer))
384
    return -1;
385
 
386
  if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
387
              REGISTER_RAW_SIZE (regnum)) == 0)
388
    return 0;
389
 
390
  /* Found a changed register. Return 1. */
391
 
392
  memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
393
          REGISTER_RAW_SIZE (regnum));
394
 
395
  return 1;
396
}
397
 
398
/* Return a list of register number and value pairs. The valid
399
   arguments expected are: a letter indicating the format in which to
400
   display the registers contents. This can be one of: x (hexadecimal), d
401
   (decimal), N (natural), t (binary), o (octal), r (raw).  After the
402
   format argumetn there can be a sequence of numbers, indicating which
403
   registers to fetch the content of. If the format is the only argument,
404
   a list of all the registers with their values is returned. */
405
enum mi_cmd_result
406
mi_cmd_data_list_register_values (char *command, char **argv, int argc)
407
{
408
  int regnum, numregs, format, result;
409
  int i;
410
 
411
  /* Note that the test for a valid register must include checking the
412
     REGISTER_NAME because NUM_REGS may be allocated for the union of
413
     the register sets within a family of related processors.  In this
414
     case, some entries of REGISTER_NAME will change depending upon
415
     the particular processor being debugged.  */
416
 
417
  numregs = ARCH_NUM_REGS;
418
 
419
  if (argc == 0)
420
    {
421
      asprintf (&mi_error_message,
422
                "mi_cmd_data_list_register_values: Usage: -data-list-register-values <format> [<regnum1>...<regnumN>]");
423
      return MI_CMD_ERROR;
424
    }
425
 
426
  format = (int) argv[0][0];
427
 
428
  if (!target_has_registers)
429
    {
430
      asprintf (&mi_error_message, "mi_cmd_data_list_register_values: No registers.");
431
      return MI_CMD_ERROR;
432
    }
433
 
434
  ui_out_list_begin (uiout, "register-values");
435
 
436
  if (argc == 1)                /* No args, beside the format: do all the regs */
437
    {
438
      for (regnum = 0;
439
           regnum < numregs;
440
           regnum++)
441
        {
442
          if (REGISTER_NAME (regnum) == NULL
443
              || *(REGISTER_NAME (regnum)) == '\0')
444
            continue;
445
          ui_out_list_begin (uiout, NULL);
446
          ui_out_field_int (uiout, "number", regnum);
447
          result = get_register (regnum, format);
448
          if (result == -1)
449
            return MI_CMD_ERROR;
450
          ui_out_list_end (uiout);
451
        }
452
    }
453
 
454
  /* Else, list of register #s, just do listed regs */
455
  for (i = 1; i < argc; i++)
456
    {
457
      regnum = atoi (argv[i]);
458
 
459
      if (regnum >= 0
460
          && regnum < numregs
461
          && REGISTER_NAME (regnum) != NULL
462
          && *REGISTER_NAME (regnum) != '\000')
463
        {
464
          ui_out_list_begin (uiout, NULL);
465
          ui_out_field_int (uiout, "number", regnum);
466
          result = get_register (regnum, format);
467
          if (result == -1)
468
            return MI_CMD_ERROR;
469
          ui_out_list_end (uiout);
470
        }
471
      else
472
        {
473
          asprintf (&mi_error_message, "bad register number");
474
          return MI_CMD_ERROR;
475
        }
476
    }
477
  ui_out_list_end (uiout);
478
  return MI_CMD_DONE;
479
}
480
 
481
/* Output one register's contents in the desired format. */
482
static int
483
get_register (int regnum, int format)
484
{
485
  char raw_buffer[MAX_REGISTER_RAW_SIZE];
486
  char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
487
  int optim;
488
  static struct ui_stream *stb = NULL;
489
 
490
  stb = ui_out_stream_new (uiout);
491
 
492
  if (format == 'N')
493
    format = 0;
494
 
495
  /* read_relative_register_raw_bytes returns a virtual frame pointer
496
     (FRAME_FP (selected_frame)) if regnum == FP_REGNUM instead
497
     of the real contents of the register. To get around this,
498
     use get_saved_register instead. */
499
  get_saved_register (raw_buffer, &optim, (CORE_ADDR *) NULL, selected_frame,
500
                      regnum, (enum lval_type *) NULL);
501
  if (optim)
502
    {
503
      asprintf (&mi_error_message, "Optimized out");
504
      return -1;
505
    }
506
 
507
  /* Convert raw data to virtual format if necessary.  */
508
 
509
  if (REGISTER_CONVERTIBLE (regnum))
510
    {
511
      REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum),
512
                                   raw_buffer, virtual_buffer);
513
    }
514
  else
515
    memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum));
516
 
517
  if (format == 'r')
518
    {
519
      int j;
520
      char *ptr, buf[1024];
521
 
522
      strcpy (buf, "0x");
523
      ptr = buf + 2;
524
      for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++)
525
        {
526
          register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j
527
          : REGISTER_RAW_SIZE (regnum) - 1 - j;
528
          sprintf (ptr, "%02x", (unsigned char) raw_buffer[idx]);
529
          ptr += 2;
530
        }
531
      ui_out_field_string (uiout, "value", buf);
532
      /*fputs_filtered (buf, gdb_stdout); */
533
    }
534
  else
535
    {
536
      val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, 0,
537
                 stb->stream, format, 1, 0, Val_pretty_default);
538
      ui_out_field_stream (uiout, "value", stb);
539
      ui_out_stream_delete (stb);
540
    }
541
  return 1;
542
}
543
 
544
/* Write given values into registers. The registers and values are
545
   given as pairs. The corresponding MI command is
546
   -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]*/
547
enum mi_cmd_result
548
mi_cmd_data_write_register_values (char *command, char **argv, int argc)
549
{
550
  int regnum;
551
  int i;
552
  int numregs;
553
  char *buffer;
554
  LONGEST value;
555
  char format;
556
 
557
  /* Note that the test for a valid register must include checking the
558
     REGISTER_NAME because NUM_REGS may be allocated for the union of
559
     the register sets within a family of related processors.  In this
560
     case, some entries of REGISTER_NAME will change depending upon
561
     the particular processor being debugged.  */
562
 
563
  numregs = ARCH_NUM_REGS;
564
 
565
  if (argc == 0)
566
    {
567
      asprintf (&mi_error_message,
568
                "mi_cmd_data_write_register_values: Usage: -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]");
569
      return MI_CMD_ERROR;
570
    }
571
 
572
  format = (int) argv[0][0];
573
 
574
  if (!target_has_registers)
575
    {
576
      asprintf (&mi_error_message, "mi_cmd_data_write_register_values: No registers.");
577
      return MI_CMD_ERROR;
578
    }
579
 
580
  if (!(argc - 1))
581
    {
582
      asprintf (&mi_error_message, "mi_cmd_data_write_register_values: No regs and values specified.");
583
      return MI_CMD_ERROR;
584
    }
585
 
586
  if ((argc - 1) % 2)
587
    {
588
      asprintf (&mi_error_message, "mi_cmd_data_write_register_values: Regs and vals are not in pairs.");
589
      return MI_CMD_ERROR;
590
    }
591
 
592
  for (i = 1; i < argc; i = i + 2)
593
    {
594
      regnum = atoi (argv[i]);
595
 
596
      if (regnum >= 0
597
          && regnum < numregs
598
          && REGISTER_NAME (regnum) != NULL
599
          && *REGISTER_NAME (regnum) != '\000')
600
        {
601
          /* Get the value as a number */
602
          value = parse_and_eval_address (argv[i + 1]);
603
          /* Get the value into an array */
604
          buffer = (unsigned char *) xmalloc (REGISTER_SIZE);
605
          store_signed_integer (buffer, REGISTER_SIZE, value);
606
          /* Write it down */
607
          write_register_bytes (REGISTER_BYTE (regnum), buffer, REGISTER_RAW_SIZE (regnum));
608
          /* write_register_bytes (REGISTER_BYTE (regnum), buffer, REGISTER_SIZE); */
609
        }
610
      else
611
        {
612
          asprintf (&mi_error_message, "bad register number");
613
          return MI_CMD_ERROR;
614
        }
615
    }
616
  return MI_CMD_DONE;
617
}
618
 
619
#if 0
620
/*This is commented out because we decided it was not useful. I leave
621
   it, just in case. ezannoni:1999-12-08 */
622
 
623
/* Assign a value to a variable. The expression argument must be in
624
   the form A=2 or "A = 2" (I.e. if there are spaces it needs to be
625
   quoted. */
626
enum mi_cmd_result
627
mi_cmd_data_assign (char *command, char **argv, int argc)
628
{
629
  struct expression *expr;
630
  struct cleanup *old_chain;
631
 
632
  if (argc != 1)
633
    {
634
      asprintf (&mi_error_message,
635
                "mi_cmd_data_assign: Usage: -data-assign expression");
636
      return MI_CMD_ERROR;
637
    }
638
 
639
  /* NOTE what follows is a clone of set_command(). FIXME: ezannoni
640
     01-12-1999: Need to decide what to do with this for libgdb purposes. */
641
 
642
  expr = parse_expression (argv[0]);
643
  old_chain = make_cleanup ((make_cleanup_func) free_current_contents, &expr);
644
  evaluate_expression (expr);
645
  do_cleanups (old_chain);
646
  return MI_CMD_DONE;
647
}
648
#endif
649
 
650
/* Evaluate the value of the argument. The argument is an
651
   expression. If the expression contains spaces it needs to be
652
   included in double quotes. */
653
enum mi_cmd_result
654
mi_cmd_data_evaluate_expression (char *command, char **argv, int argc)
655
{
656
  struct expression *expr;
657
  struct cleanup *old_chain = NULL;
658
  value_ptr val;
659
  struct ui_stream *stb = NULL;
660
 
661
  stb = ui_out_stream_new (uiout);
662
 
663
  if (argc != 1)
664
    {
665
      asprintf (&mi_error_message,
666
                "mi_cmd_data_evaluate_expression: Usage: -data-evaluate-expression expression");
667
      return MI_CMD_ERROR;
668
    }
669
 
670
  expr = parse_expression (argv[0]);
671
 
672
  old_chain = make_cleanup ((make_cleanup_func) free_current_contents, &expr);
673
 
674
  val = evaluate_expression (expr);
675
 
676
  /* Print the result of the expression evaluation. */
677
  val_print (VALUE_TYPE (val), VALUE_CONTENTS (val),
678
             VALUE_EMBEDDED_OFFSET (val), VALUE_ADDRESS (val),
679
             stb->stream, 0, 0, 0, 0);
680
 
681
  ui_out_field_stream (uiout, "value", stb);
682
  ui_out_stream_delete (stb);
683
 
684
  do_cleanups (old_chain);
685
 
686
  return MI_CMD_DONE;
687
}
688
 
689
enum mi_cmd_result
690
mi_cmd_target_download (char *args, int from_tty)
691
{
692
  char *run;
693
  struct cleanup *old_cleanups = NULL;
694
 
695
  asprintf (&run, "load %s", args);
696
  if (run == 0)
697
    internal_error ("mi_cmd_target_download: no memory");
698
  old_cleanups = make_cleanup (free, run);
699
  execute_command (run, from_tty);
700
 
701
  do_cleanups (old_cleanups);
702
  return MI_CMD_DONE;
703
}
704
 
705
/* Connect to the remote target. */
706
enum mi_cmd_result
707
mi_cmd_target_select (char *args, int from_tty)
708
{
709
  char *run;
710
  struct cleanup *old_cleanups = NULL;
711
 
712
  asprintf (&run, "target %s", args);
713
  if (run == 0)
714
    internal_error ("mi_cmd_target_select: no memory");
715
  old_cleanups = make_cleanup (free, run);
716
 
717
  /* target-select is always synchronous.  once the call has returned
718
     we know that we are connected. */
719
  /* NOTE: At present all targets that are connected are also
720
     (implicitly) talking to a halted target.  In the future this may
721
     change. */
722
  execute_command (run, from_tty);
723
 
724
  do_cleanups (old_cleanups);
725
 
726
  /* Issue the completion message here. */
727
  if (last_async_command)
728
    fputs_unfiltered (last_async_command, raw_stdout);
729
  fputs_unfiltered ("^connected", raw_stdout);
730
  mi_out_put (uiout, raw_stdout);
731
  mi_out_rewind (uiout);
732
  fputs_unfiltered ("\n", raw_stdout);
733
  do_exec_cleanups (ALL_CLEANUPS);
734
  return MI_CMD_QUIET;
735
}
736
 
737
/* DATA-MEMORY-READ:
738
 
739
   ADDR: start address of data to be dumped.
740
   WORD-FORMAT: a char indicating format for the ``word''. See
741
   the ``x'' command.
742
   WORD-SIZE: size of each ``word''; 1,2,4, or 8 bytes
743
   NR_ROW: Number of rows.
744
   NR_COL: The number of colums (words per row).
745
   ASCHAR: (OPTIONAL) Append an ascii character dump to each row.  Use
746
   ASCHAR for unprintable characters.
747
 
748
   Reads SIZE*NR_ROW*NR_COL bytes starting at ADDR from memory and
749
   displayes them.  Returns:
750
 
751
   {addr="...",rowN={wordN="..." ,... [,ascii="..."]}, ...}
752
 
753
   Returns:
754
   The number of bytes read is SIZE*ROW*COL. */
755
 
756
enum mi_cmd_result
757
mi_cmd_data_read_memory (char *command, char **argv, int argc)
758
{
759
  struct cleanup *cleanups = make_cleanup (null_cleanup, NULL);
760
  CORE_ADDR addr;
761
  long total_bytes;
762
  long nr_cols;
763
  long nr_rows;
764
  char word_format;
765
  struct type *word_type;
766
  long word_size;
767
  char word_asize;
768
  char aschar;
769
  char *mbuf;
770
  int nr_bytes;
771
  long offset = 0;
772
  int optind = 0;
773
  char *optarg;
774
  enum opt
775
    {
776
      OFFSET_OPT
777
    };
778
  static struct mi_opt opts[] =
779
  {
780
    {"o", OFFSET_OPT, 1},
781
 
782
  };
783
 
784
  while (1)
785
    {
786
      int opt = mi_getopt ("mi_cmd_data_read_memory", argc, argv, opts,
787
                           &optind, &optarg);
788
      if (opt < 0)
789
        break;
790
      switch ((enum opt) opt)
791
        {
792
        case OFFSET_OPT:
793
          offset = atol (optarg);
794
          break;
795
        }
796
    }
797
  argv += optind;
798
  argc -= optind;
799
 
800
  if (argc < 5 || argc > 6)
801
    {
802
      asprintf (&mi_error_message,
803
                "mi_cmd_data_read_memory: Usage: ADDR WORD-FORMAT WORD-SIZE NR-ROWS NR-COLS [ASCHAR].");
804
      return MI_CMD_ERROR;
805
    }
806
 
807
  /* Extract all the arguments. */
808
 
809
  /* Start address of the memory dump. */
810
  addr = parse_and_eval_address (argv[0]) + offset;
811
  /* The format character to use when displaying a memory word. See
812
     the ``x'' command. */
813
  word_format = argv[1][0];
814
  /* The size of the memory word. */
815
  word_size = atol (argv[2]);
816
  switch (word_size)
817
    {
818
    case 1:
819
      word_type = builtin_type_int8;
820
      word_asize = 'b';
821
      break;
822
    case 2:
823
      word_type = builtin_type_int16;
824
      word_asize = 'h';
825
      break;
826
    case 4:
827
      word_type = builtin_type_int32;
828
      word_asize = 'w';
829
      break;
830
    case 8:
831
      word_type = builtin_type_int64;
832
      word_asize = 'g';
833
      break;
834
    default:
835
      word_type = builtin_type_int8;
836
      word_asize = 'b';
837
    }
838
  /* The number of rows */
839
  nr_rows = atol (argv[3]);
840
  if (nr_rows <= 0)
841
    {
842
      asprintf (&mi_error_message,
843
                "mi_cmd_data_read_memory: invalid number of rows.");
844
      return MI_CMD_ERROR;
845
    }
846
  /* number of bytes per row. */
847
  nr_cols = atol (argv[4]);
848
  if (nr_cols <= 0)
849
    {
850
      asprintf (&mi_error_message,
851
                "mi_cmd_data_read_memory: invalid number of columns.");
852
    }
853
  /* The un-printable character when printing ascii. */
854
  if (argc == 6)
855
    aschar = *argv[5];
856
  else
857
    aschar = 0;
858
 
859
  /* create a buffer and read it in. */
860
  total_bytes = word_size * nr_rows * nr_cols;
861
  mbuf = calloc (total_bytes, 1);
862
  make_cleanup (free, mbuf);
863
  if (mbuf == NULL)
864
    {
865
      asprintf (&mi_error_message,
866
                "mi_cmd_data_read_memory: out of memory.");
867
      return MI_CMD_ERROR;
868
    }
869
  nr_bytes = 0;
870
  while (nr_bytes < total_bytes)
871
    {
872
      int error;
873
      long num = target_read_memory_partial (addr + nr_bytes, mbuf + nr_bytes,
874
                                             total_bytes - nr_bytes,
875
                                             &error);
876
      if (num <= 0)
877
        break;
878
      nr_bytes += num;
879
    }
880
 
881
  /* output the header information. */
882
  ui_out_field_core_addr (uiout, "addr", addr);
883
  ui_out_field_int (uiout, "nr-bytes", nr_bytes);
884
  ui_out_field_int (uiout, "total-bytes", total_bytes);
885
  ui_out_field_core_addr (uiout, "next-row", addr + word_size * nr_cols);
886
  ui_out_field_core_addr (uiout, "prev-row", addr - word_size * nr_cols);
887
  ui_out_field_core_addr (uiout, "next-page", addr + total_bytes);
888
  ui_out_field_core_addr (uiout, "prev-page", addr - total_bytes);
889
 
890
  /* Build the result as a two dimentional table. */
891
  {
892
    struct ui_stream *stream = ui_out_stream_new (uiout);
893
    int row;
894
    int row_byte;
895
    ui_out_list_begin (uiout, "memory");
896
    for (row = 0, row_byte = 0;
897
         row < nr_rows;
898
         row++, row_byte += nr_cols * word_size)
899
      {
900
        int col;
901
        int col_byte;
902
        ui_out_list_begin (uiout, NULL);
903
        ui_out_field_core_addr (uiout, "addr", addr + row_byte);
904
        /* ui_out_field_core_addr_symbolic (uiout, "saddr", addr + row_byte); */
905
        ui_out_list_begin (uiout, "data");
906
        for (col = 0, col_byte = row_byte;
907
             col < nr_cols;
908
             col++, col_byte += word_size)
909
          {
910
            if (col_byte + word_size > nr_bytes)
911
              {
912
                ui_out_field_string (uiout, NULL, "N/A");
913
              }
914
            else
915
              {
916
                ui_file_rewind (stream->stream);
917
                print_scalar_formatted (mbuf + col_byte, word_type, word_format,
918
                                        word_asize, stream->stream);
919
                ui_out_field_stream (uiout, NULL, stream);
920
              }
921
          }
922
        ui_out_list_end (uiout);
923
        if (aschar)
924
          {
925
            int byte;
926
            ui_file_rewind (stream->stream);
927
            for (byte = row_byte; byte < row_byte + word_size * nr_cols; byte++)
928
              {
929
                if (byte >= nr_bytes)
930
                  {
931
                    fputc_unfiltered ('X', stream->stream);
932
                  }
933
                else if (mbuf[byte] < 32 || mbuf[byte] > 126)
934
                  {
935
                    fputc_unfiltered (aschar, stream->stream);
936
                  }
937
                else
938
                  fputc_unfiltered (mbuf[byte], stream->stream);
939
              }
940
            ui_out_field_stream (uiout, "ascii", stream);
941
          }
942
        ui_out_list_end (uiout);
943
      }
944
    ui_out_stream_delete (stream);
945
    ui_out_list_end (uiout);
946
  }
947
  do_cleanups (cleanups);
948
  return MI_CMD_DONE;
949
}
950
 
951
/* DATA-MEMORY-WRITE:
952
 
953
   COLUMN_OFFSET: optional argument. Must be preceeded by '-o'. The
954
   offset from the beginning of the memory grid row where the cell to
955
   be written is.
956
   ADDR: start address of the row in the memory grid where the memory
957
   cell is, if OFFSET_COLUMN is specified. Otherwise, the address of
958
   the location to write to.
959
   FORMAT: a char indicating format for the ``word''. See
960
   the ``x'' command.
961
   WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes
962
   VALUE: value to be written into the memory address.
963
 
964
   Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE).
965
 
966
   Prints nothing. */
967
enum mi_cmd_result
968
mi_cmd_data_write_memory (char *command, char **argv, int argc)
969
{
970
  CORE_ADDR addr;
971
  char word_format;
972
  long word_size;
973
  /* FIXME: ezannoni 2000-02-17 LONGEST could possibly not be big
974
     enough when using a compiler other than GCC. */
975
  LONGEST value;
976
  unsigned char *buffer;
977
  long offset = 0;
978
  int optind = 0;
979
  char *optarg;
980
  enum opt
981
    {
982
      OFFSET_OPT
983
    };
984
  static struct mi_opt opts[] =
985
  {
986
    {"o", OFFSET_OPT, 1},
987
 
988
  };
989
 
990
  while (1)
991
    {
992
      int opt = mi_getopt ("mi_cmd_data_write_memory", argc, argv, opts,
993
                           &optind, &optarg);
994
      if (opt < 0)
995
        break;
996
      switch ((enum opt) opt)
997
        {
998
        case OFFSET_OPT:
999
          offset = atol (optarg);
1000
          break;
1001
        }
1002
    }
1003
  argv += optind;
1004
  argc -= optind;
1005
 
1006
  if (argc != 4)
1007
    {
1008
      asprintf (&mi_error_message,
1009
                "mi_cmd_data_write_memory: Usage: [-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE.");
1010
      return MI_CMD_ERROR;
1011
    }
1012
 
1013
  /* Extract all the arguments. */
1014
  /* Start address of the memory dump. */
1015
  addr = parse_and_eval_address (argv[0]);
1016
  /* The format character to use when displaying a memory word. See
1017
     the ``x'' command. */
1018
  word_format = argv[1][0];
1019
  /* The size of the memory word. */
1020
  word_size = atol (argv[2]);
1021
 
1022
  /* Calculate the real address of the write destination. */
1023
  addr += (offset * word_size);
1024
 
1025
  /* Get the value as a number */
1026
  value = parse_and_eval_address (argv[3]);
1027
  /* Get the value into an array */
1028
  buffer = (unsigned char *) xmalloc (word_size);
1029
  store_signed_integer (buffer, word_size, value);
1030
  /* Write it down to memory */
1031
  write_memory (addr, buffer, word_size);
1032
 
1033
  return MI_CMD_DONE;
1034
}
1035
 
1036
/* Execute a command within a safe environment.  Return >0 for
1037
   ok. Return <0 for supress prompt.  Return 0 to have the error
1038
   extracted from error_last_message(). */
1039
 
1040
static int
1041
captured_mi_execute_command (void *data)
1042
{
1043
  struct mi_parse *context = data;
1044
  enum mi_cmd_result rc;
1045
 
1046
  switch (context->op)
1047
    {
1048
 
1049
    case MI_COMMAND:
1050
      /* A MI command was read from the input stream */
1051
      if (mi_debug_p)
1052
        /* FIXME: gdb_???? */
1053
        fprintf_unfiltered (raw_stdout, " token=`%s' command=`%s' args=`%s'\n",
1054
                            context->token, context->command, context->args);
1055
      /* FIXME: cagney/1999-09-25: Rather than this convoluted
1056
         condition expression, each function should return an
1057
         indication of what action is required and then switch on
1058
         that. */
1059
      rc = mi_cmd_execute (context);
1060
      if (!target_can_async_p () || !target_executing)
1061
        {
1062
          /* print the result if there were no errors */
1063
          if (rc == MI_CMD_DONE)
1064
            {
1065
              fputs_unfiltered (context->token, raw_stdout);
1066
              fputs_unfiltered ("^done", raw_stdout);
1067
              mi_out_put (uiout, raw_stdout);
1068
              mi_out_rewind (uiout);
1069
              fputs_unfiltered ("\n", raw_stdout);
1070
            }
1071
          else if (rc == MI_CMD_ERROR)
1072
            {
1073
              if (mi_error_message)
1074
                {
1075
                  fputs_unfiltered (context->token, raw_stdout);
1076
                  fputs_unfiltered ("^error,msg=\"", raw_stdout);
1077
                  fputstr_unfiltered (mi_error_message, '"', raw_stdout);
1078
                  free (mi_error_message);
1079
                  fputs_unfiltered ("\"\n", raw_stdout);
1080
                }
1081
              mi_out_rewind (uiout);
1082
            }
1083
          else if (rc == MI_CMD_CAUGHT_ERROR)
1084
            {
1085
              mi_out_rewind (uiout);
1086
              return 0;
1087
            }
1088
          else
1089
            mi_out_rewind (uiout);
1090
        }
1091
      else if (sync_execution)
1092
        /* Don't print the prompt. We are executing the target in
1093
           synchronous mode. */
1094
        return -1;
1095
      break;
1096
 
1097
    case CLI_COMMAND:
1098
      /* A CLI command was read from the input stream */
1099
      /* This will be removed as soon as we have a complete set of
1100
         mi commands */
1101
      /* echo the command on the console. */
1102
      fprintf_unfiltered (gdb_stdlog, "%s\n", context->command);
1103
      /* FIXME: If the command string has something that looks like
1104
         a format spec (e.g. %s) we will get a core dump */
1105
      mi_execute_cli_command ("%s", context->command);
1106
      /* print the result */
1107
      /* FIXME: Check for errors here. */
1108
      fputs_unfiltered (context->token, raw_stdout);
1109
      fputs_unfiltered ("^done", raw_stdout);
1110
      mi_out_put (uiout, raw_stdout);
1111
      mi_out_rewind (uiout);
1112
      fputs_unfiltered ("\n", raw_stdout);
1113
      break;
1114
 
1115
    }
1116
  return 1;
1117
}
1118
 
1119
 
1120
void
1121
mi_execute_command (char *cmd, int from_tty)
1122
{
1123
  struct mi_parse *command;
1124
 
1125
  /* This is to handle EOF (^D). We just quit gdb. */
1126
  /* FIXME: we should call some API function here. */
1127
  if (cmd == 0)
1128
    quit_force (NULL, from_tty);
1129
 
1130
  command = mi_parse (cmd);
1131
 
1132
  if (command != NULL)
1133
    {
1134
      /* FIXME: cagney/1999-11-04: Can this use of catch_errors either
1135
         be pushed even further down or even eliminated? */
1136
      int rc = catch_errors (captured_mi_execute_command, command, "",
1137
                             RETURN_MASK_ALL);
1138
      if (rc < 0)
1139
        {
1140
          /* The command is executing synchronously.  Bail out early
1141
             suppressing the finished prompt. */
1142
          mi_parse_free (command);
1143
          return;
1144
        }
1145
      if (rc == 0)
1146
        {
1147
          char *msg = error_last_message ();
1148
          struct cleanup *cleanup = make_cleanup (free, msg);
1149
          /* The command execution failed and error() was called
1150
             somewhere */
1151
          fputs_unfiltered (command->token, raw_stdout);
1152
          fputs_unfiltered ("^error,msg=\"", raw_stdout);
1153
          fputstr_unfiltered (msg, '"', raw_stdout);
1154
          fputs_unfiltered ("\"\n", raw_stdout);
1155
        }
1156
      mi_parse_free (command);
1157
    }
1158
 
1159
  gdb_flush (raw_stdout);
1160
  fputs_unfiltered ("(gdb) \n", raw_stdout);
1161
  /* print any buffered hook code */
1162
  /* ..... */
1163
}
1164
 
1165
static enum mi_cmd_result
1166
mi_cmd_execute (struct mi_parse *parse)
1167
{
1168
  if (parse->cmd->argv_func != NULL
1169
      || parse->cmd->args_func != NULL)
1170
    {
1171
      /* FIXME: We need to save the token because the command executed
1172
         may be asynchronous and need to print the token again.
1173
         In the future we can pass the token down to the func
1174
         and get rid of the last_async_command */
1175
      /* The problem here is to keep the token around when we launch
1176
         the target, and we want to interrupt it later on.  The
1177
         interrupt command will have its own token, but when the
1178
         target stops, we must display the token corresponding to the
1179
         last execution command given. So we have another string where
1180
         we copy the token (previous_async_command), if this was
1181
         indeed the token of an execution command, and when we stop we
1182
         print that one. This is possible because the interrupt
1183
         command, when over, will copy that token back into the
1184
         default token string (last_async_command). */
1185
 
1186
      if (target_executing)
1187
        {
1188
          if (!previous_async_command)
1189
            previous_async_command = xstrdup (last_async_command);
1190
          if (strcmp (parse->command, "exec-interrupt"))
1191
            {
1192
              fputs_unfiltered (parse->token, raw_stdout);
1193
              fputs_unfiltered ("^error,msg=\"", raw_stdout);
1194
              fputs_unfiltered ("Cannot execute command ", raw_stdout);
1195
              fputstr_unfiltered (parse->command, '"', raw_stdout);
1196
              fputs_unfiltered (" while target running", raw_stdout);
1197
              fputs_unfiltered ("\"\n", raw_stdout);
1198
              return MI_CMD_ERROR;
1199
            }
1200
        }
1201
      last_async_command = xstrdup (parse->token);
1202
      make_exec_cleanup ((make_cleanup_func) free_and_reset, &last_async_command);
1203
      /* FIXME: DELETE THIS! */
1204
      if (parse->cmd->args_func != NULL)
1205
        return parse->cmd->args_func (parse->args, 0 /*from_tty */ );
1206
      return parse->cmd->argv_func (parse->command, parse->argv, parse->argc);
1207
    }
1208
  else if (parse->cmd->cli != 0)
1209
    {
1210
      /* FIXME: DELETE THIS. */
1211
      /* The operation is still implemented by a cli command */
1212
      /* Must be a synchronous one */
1213
      mi_execute_cli_command (parse->cmd->cli, parse->args);
1214
      return MI_CMD_DONE;
1215
    }
1216
  else
1217
    {
1218
      /* FIXME: DELETE THIS. */
1219
      fputs_unfiltered (parse->token, raw_stdout);
1220
      fputs_unfiltered ("^error,msg=\"", raw_stdout);
1221
      fputs_unfiltered ("Undefined mi command: ", raw_stdout);
1222
      fputstr_unfiltered (parse->command, '"', raw_stdout);
1223
      fputs_unfiltered (" (missing implementation)", raw_stdout);
1224
      fputs_unfiltered ("\"\n", raw_stdout);
1225
      return MI_CMD_ERROR;
1226
    }
1227
}
1228
 
1229
void
1230
free_and_reset (char **arg)
1231
{
1232
  free (*arg);
1233
  *arg = NULL;
1234
}
1235
 
1236
static void
1237
mi_execute_command_wrapper (char *cmd)
1238
{
1239
  mi_execute_command (cmd, stdin == instream);
1240
}
1241
 
1242
/* FIXME: This is just a hack so we can get some extra commands going.
1243
   We don't want to channel things through the CLI, but call libgdb directly */
1244
/* Use only for synchronous commands */
1245
 
1246
void
1247
mi_execute_cli_command (const char *cli, char *args)
1248
{
1249
  if (cli != 0)
1250
    {
1251
      struct cleanup *old_cleanups;
1252
      char *run;
1253
      asprintf (&run, cli, args);
1254
      if (mi_debug_p)
1255
        /* FIXME: gdb_???? */
1256
        fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n",
1257
                            cli, run);
1258
      if (run == 0)
1259
        abort ();
1260
      old_cleanups = make_cleanup (free, run);
1261
      execute_command ( /*ui */ run, 0 /*from_tty */ );
1262
      do_cleanups (old_cleanups);
1263
      return;
1264
    }
1265
}
1266
 
1267
enum mi_cmd_result
1268
mi_execute_async_cli_command (char *mi, char *args, int from_tty)
1269
{
1270
  struct cleanup *old_cleanups;
1271
  char *run;
1272
  char *async_args;
1273
 
1274
  if (target_can_async_p ())
1275
    {
1276
      async_args = (char *) xmalloc (strlen (args) + 2);
1277
      make_exec_cleanup (free, async_args);
1278
      strcpy (async_args, args);
1279
      strcat (async_args, "&");
1280
      asprintf (&run, "%s %s", mi, async_args);
1281
      if (run == 0)
1282
        internal_error ("mi_execute_async_cli_command: no memory");
1283
      make_exec_cleanup (free, run);
1284
      add_continuation (mi_exec_async_cli_cmd_continuation, NULL);
1285
    }
1286
  else
1287
    {
1288
      asprintf (&run, "%s %s", mi, args);
1289
      if (run == 0)
1290
        internal_error ("mi_execute_async_cli_command: no memory");
1291
      old_cleanups = make_cleanup (free, run);
1292
    }
1293
 
1294
  if (!target_can_async_p ())
1295
    {
1296
      /* NOTE: For synchronous targets asynchronous behavour is faked by
1297
         printing out the GDB prompt before we even try to execute the
1298
         command. */
1299
      if (last_async_command)
1300
        fputs_unfiltered (last_async_command, raw_stdout);
1301
      fputs_unfiltered ("^running\n", raw_stdout);
1302
      fputs_unfiltered ("(gdb) \n", raw_stdout);
1303
    }
1304
  else
1305
    {
1306
      /* FIXME: cagney/1999-11-29: Printing this message before
1307
         calling execute_command is wrong.  It should only be printed
1308
         once gdb has confirmed that it really has managed to send a
1309
         run command to the target. */
1310
      if (last_async_command)
1311
        fputs_unfiltered (last_async_command, raw_stdout);
1312
      fputs_unfiltered ("^running\n", raw_stdout);
1313
    }
1314
 
1315
  execute_command ( /*ui */ run, 0 /*from_tty */ );
1316
 
1317
  if (!target_can_async_p ())
1318
    {
1319
      /* Do this before doing any printing.  It would appear that some
1320
         print code leaves garbage around in the buffer. */
1321
      do_cleanups (old_cleanups);
1322
      /* If the target was doing the operation synchronously we fake
1323
         the stopped message. */
1324
      if (last_async_command)
1325
        fputs_unfiltered (last_async_command, raw_stdout);
1326
      fputs_unfiltered ("*stopped", raw_stdout);
1327
      mi_out_put (uiout, raw_stdout);
1328
      mi_out_rewind (uiout);
1329
      fputs_unfiltered ("\n", raw_stdout);
1330
      return MI_CMD_QUIET;
1331
    }
1332
  return MI_CMD_DONE;
1333
}
1334
 
1335
void
1336
mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg)
1337
{
1338
  if (last_async_command)
1339
    fputs_unfiltered (last_async_command, raw_stdout);
1340
  fputs_unfiltered ("*stopped", raw_stdout);
1341
  mi_out_put (uiout, raw_stdout);
1342
  fputs_unfiltered ("\n", raw_stdout);
1343
  fputs_unfiltered ("(gdb) \n", raw_stdout);
1344
  do_exec_cleanups (ALL_CLEANUPS);
1345
}
1346
 
1347
static char *
1348
mi_input (char *buf)
1349
{
1350
  return gdb_readline (NULL);
1351
}
1352
 
1353
static void
1354
mi_load_progress (const char *section_name,
1355
                  unsigned long sent_so_far,
1356
                  unsigned long total_section,
1357
                  unsigned long total_sent,
1358
                  unsigned long grand_total)
1359
{
1360
  struct timeval time_now, delta, update_threshold;
1361
  static struct timeval last_update;
1362
  static char *previous_sect_name = NULL;
1363
  int new_section;
1364
 
1365
  if (!interpreter_p || strcmp (interpreter_p, "mi") != 0)
1366
    return;
1367
 
1368
  update_threshold.tv_sec = 0;
1369
  update_threshold.tv_usec = 500000;
1370
  gettimeofday (&time_now, NULL);
1371
 
1372
  delta.tv_usec = time_now.tv_usec - last_update.tv_usec;
1373
  delta.tv_sec = time_now.tv_sec - last_update.tv_sec;
1374
 
1375
  if (delta.tv_usec < 0)
1376
    {
1377
      delta.tv_sec -= 1;
1378
      delta.tv_usec += 1000000;
1379
    }
1380
 
1381
  new_section = (previous_sect_name ?
1382
                 strcmp (previous_sect_name, section_name) : 1);
1383
  if (new_section)
1384
    {
1385
      free (previous_sect_name);
1386
      previous_sect_name = xstrdup (section_name);
1387
 
1388
      if (last_async_command)
1389
        fputs_unfiltered (last_async_command, raw_stdout);
1390
      fputs_unfiltered ("+download", raw_stdout);
1391
      ui_out_list_begin (uiout, NULL);
1392
      ui_out_field_string (uiout, "section", section_name);
1393
      ui_out_field_int (uiout, "section-size", total_section);
1394
      ui_out_field_int (uiout, "total-size", grand_total);
1395
      ui_out_list_end (uiout);
1396
      mi_out_put (uiout, raw_stdout);
1397
      fputs_unfiltered ("\n", raw_stdout);
1398
      gdb_flush (raw_stdout);
1399
    }
1400
 
1401
  if (delta.tv_sec >= update_threshold.tv_sec &&
1402
      delta.tv_usec >= update_threshold.tv_usec)
1403
    {
1404
      last_update.tv_sec = time_now.tv_sec;
1405
      last_update.tv_usec = time_now.tv_usec;
1406
      if (last_async_command)
1407
        fputs_unfiltered (last_async_command, raw_stdout);
1408
      fputs_unfiltered ("+download", raw_stdout);
1409
      ui_out_list_begin (uiout, NULL);
1410
      ui_out_field_string (uiout, "section", section_name);
1411
      ui_out_field_int (uiout, "section-sent", sent_so_far);
1412
      ui_out_field_int (uiout, "section-size", total_section);
1413
      ui_out_field_int (uiout, "total-sent", total_sent);
1414
      ui_out_field_int (uiout, "total-size", grand_total);
1415
      ui_out_list_end (uiout);
1416
      mi_out_put (uiout, raw_stdout);
1417
      fputs_unfiltered ("\n", raw_stdout);
1418
      gdb_flush (raw_stdout);
1419
    }
1420
}
1421
 
1422
static void
1423
mi_command_loop ()
1424
{
1425
  /* HACK: Force stdout/stderr to point at the console.  This avoids
1426
     any potential side effects caused by legacy code that is still
1427
     using the TUI / fputs_unfiltered_hook */
1428
  raw_stdout = stdio_fileopen (stdout);
1429
  /* Route normal output through the MIx */
1430
  gdb_stdout = mi_console_file_new (raw_stdout, "~");
1431
  /* Route error and log output through the MI */
1432
  gdb_stderr = mi_console_file_new (raw_stdout, "&");
1433
  gdb_stdlog = gdb_stderr;
1434
  /* Route target output through the MI. */
1435
  gdb_stdtarg = mi_console_file_new (raw_stdout, "@");
1436
 
1437
  /* HACK: Poke the ui_out table directly.  Should we be creating a
1438
     mi_out object wired up to the above gdb_stdout / gdb_stderr? */
1439
  uiout = mi_out_new ();
1440
 
1441
  /* HACK: Override any other interpreter hooks.  We need to create a
1442
     real event table and pass in that. */
1443
  init_ui_hook = 0;
1444
  /* command_loop_hook = 0; */
1445
  print_frame_info_listing_hook = 0;
1446
  query_hook = 0;
1447
  warning_hook = 0;
1448
  create_breakpoint_hook = 0;
1449
  delete_breakpoint_hook = 0;
1450
  modify_breakpoint_hook = 0;
1451
  interactive_hook = 0;
1452
  registers_changed_hook = 0;
1453
  readline_begin_hook = 0;
1454
  readline_hook = 0;
1455
  readline_end_hook = 0;
1456
  register_changed_hook = 0;
1457
  memory_changed_hook = 0;
1458
  context_hook = 0;
1459
  target_wait_hook = 0;
1460
  call_command_hook = 0;
1461
  error_hook = 0;
1462
  error_begin_hook = 0;
1463
  show_load_progress = mi_load_progress;
1464
 
1465
  /* Turn off 8 bit strings in quoted output.  Any character with the
1466
     high bit set is printed using C's octal format. */
1467
  sevenbit_strings = 1;
1468
 
1469
  /* Tell the world that we're alive */
1470
  fputs_unfiltered ("(gdb) \n", raw_stdout);
1471
 
1472
  if (!event_loop_p)
1473
    simplified_command_loop (mi_input, mi_execute_command);
1474
  else
1475
    start_event_loop ();
1476
}
1477
 
1478
static void
1479
setup_architecture_data ()
1480
{
1481
  /* don't trust REGISTER_BYTES to be zero. */
1482
  old_regs = xmalloc (REGISTER_BYTES + 1);
1483
  memset (old_regs, 0, REGISTER_BYTES + 1);
1484
}
1485
 
1486
static void
1487
mi_init_ui (arg0)
1488
     char *arg0;
1489
{
1490
  /* Eventually this will contain code that takes control of the
1491
     console. */
1492
}
1493
 
1494
void
1495
_initialize_mi_main ()
1496
{
1497
  /* If we're _the_ interpreter, take control. */
1498
  if (interpreter_p
1499
      && strcmp (interpreter_p, "mi") == 0)
1500
    {
1501
      init_ui_hook = mi_init_ui;
1502
      command_loop_hook = mi_command_loop;
1503
      setup_architecture_data ();
1504
      register_gdbarch_swap (&old_regs, sizeof (old_regs), NULL);
1505
      register_gdbarch_swap (NULL, 0, setup_architecture_data);
1506
      if (event_loop_p)
1507
        {
1508
          /* These overwrite some of the initialization done in
1509
             _intialize_event_loop. */
1510
          call_readline = gdb_readline2;
1511
          input_handler = mi_execute_command_wrapper;
1512
          add_file_handler (input_fd, stdin_event_handler, 0);
1513
          async_command_editing_p = 0;
1514
        }
1515
    }
1516
  /* FIXME: Should we notify main that we are here as a possible
1517
     interpreter? */
1518
}
1519
 
1520
/* Local variables: */
1521
/* change-log-default-name: "ChangeLog-mi" */
1522
/* End: */

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