1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
|
/* ICE interface for the NEC V850 for GDB, the GNU debugger.
Copyright 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "gdb_string.h"
#include "frame.h"
#include "symtab.h"
#include "inferior.h"
#include "breakpoint.h"
#include "symfile.h"
#include "target.h"
#include "objfiles.h"
#include "gdbcore.h"
#include "value.h"
#include "command.h"
#include "regcache.h"
#include <tcl.h>
#include <windows.h>
#include <winuser.h> /* for WM_USER */
extern unsigned long int strtoul (const char *nptr, char **endptr,
int base);
/* Local data definitions */
struct MessageIO
{
int size; /* length of input or output in bytes */
char *buf; /* buffer having the input/output information */
};
/* Prototypes for functions located in other files */
extern void break_command (char *, int);
extern int (*ui_loop_hook) (int);
/* Prototypes for local functions */
static int init_hidden_window (void);
static LRESULT CALLBACK v850ice_wndproc (HWND, UINT, WPARAM, LPARAM);
static void v850ice_files_info (struct target_ops *ignore);
static int v850ice_xfer_memory (CORE_ADDR memaddr, char *myaddr,
int len, int should_write,
struct target_ops *target);
static void v850ice_prepare_to_store (void);
static void v850ice_fetch_registers (int regno);
static void v850ice_resume (ptid_t ptid, int step,
enum target_signal siggnal);
static void v850ice_open (char *name, int from_tty);
static void v850ice_close (int quitting);
static void v850ice_stop (void);
static void v850ice_store_registers (int regno);
static void v850ice_mourn (void);
static ptid_t v850ice_wait (ptid_t ptid,
struct target_waitstatus *status);
static void v850ice_kill (void);
static void v850ice_detach (char *args, int from_tty);
static int v850ice_insert_breakpoint (CORE_ADDR, char *);
static int v850ice_remove_breakpoint (CORE_ADDR, char *);
static void v850ice_command (char *, int);
static int ice_disassemble (unsigned long, int, char *);
static int ice_lookup_addr (unsigned long *, char *, char *);
static int ice_lookup_symbol (unsigned long, char *);
static void ice_SimulateDisassemble (char *, int);
static void ice_SimulateAddrLookup (char *, int);
static void ice_Simulate_SymLookup (char *, int);
static void ice_fputs (const char *, struct ui_file *);
static int ice_file (char *);
static int ice_cont (char *);
static int ice_stepi (char *);
static int ice_nexti (char *);
static void togdb_force_update (void);
static void view_source (CORE_ADDR);
static void do_gdb (char *, char *, void (*func) (char *, int), int);
/* Globals */
static HWND hidden_hwnd; /* HWND for messages */
long (__stdcall * ExeAppReq) (char *, long, char *, struct MessageIO *);
long (__stdcall * RegisterClient) (HWND);
long (__stdcall * UnregisterClient) (void);
extern Tcl_Interp *gdbtk_interp;
/* Globals local to this file only */
static int ice_open = 0; /* Is ICE open? */
static char *v850_CB_Result; /* special char array for saving 'callback' results */
static int SimulateCallback; /* simulate a callback event */
#define MAX_BLOCK_SIZE 64*1024 /* Cannot transfer memory in blocks bigger
than this */
/* MDI/ICE Message IDs */
#define GSINGLESTEP 0x200 /* single-step target */
#define GRESUME 0x201 /* resume target */
#define GREADREG 0x202 /* read a register */
#define GWRITEREG 0x203 /* write a register */
#define GWRITEBLOCK 0x204 /* write a block of memory */
#define GREADBLOCK 0x205 /* read a block of memory */
#define GSETBREAK 0x206 /* set a breakpoint */
#define GREMOVEBREAK 0x207 /* remove a breakpoint */
#define GHALT 0x208 /* ??? */
#define GCHECKSTATUS 0x209 /* check status of ICE */
#define GMDIREPLY 0x210 /* Reply for previous query - NOT USED */
#define GDOWNLOAD 0x211 /* something for MDI */
#define GCOMMAND 0x212 /* execute command in ice */
#define GLOADFILENAME 0x213 /* retrieve load filename */
#define GWRITEMEM 0x214 /* write word, half-word, or byte */
/* GCHECKSTATUS return codes: */
#define ICE_Idle 0x00
#define ICE_Breakpoint 0x01 /* hit a breakpoint */
#define ICE_Stepped 0x02 /* have stepped */
#define ICE_Exception 0x03 /* have exception */
#define ICE_Halted 0x04 /* hit a user halt */
#define ICE_Exited 0x05 /* called exit */
#define ICE_Terminated 0x06 /* user terminated */
#define ICE_Running 0x07
#define ICE_Unknown 0x99
/* Windows messages */
#define WM_STATE_CHANGE WM_USER+101
#define WM_SYM_TO_ADDR WM_USER+102
#define WM_ADDR_TO_SYM WM_USER+103
#define WM_DISASSEMBLY WM_USER+104
#define WM_SOURCE WM_USER+105
/* STATE_CHANGE codes */
#define STATE_CHANGE_REGS 1 /* Register(s) changed */
#define STATE_CHANGE_LOAD 2 /* HW reset */
#define STATE_CHANGE_RESET 3 /* Load new file */
#define STATE_CHANGE_CONT 4 /* Run target */
#define STATE_CHANGE_STOP 5 /* Stop target */
#define STATE_CHANGE_STEPI 6 /* Stepi target */
#define STATE_CHANGE_NEXTI 7 /* Nexti target */
static struct target_ops v850ice_ops; /* Forward decl */
/* This function creates a hidden window */
static int
init_hidden_window (void)
{
WNDCLASS class;
if (hidden_hwnd != NULL)
return 1;
class.style = 0;
class.cbClsExtra = 0;
class.cbWndExtra = 0;
class.hInstance = GetModuleHandle (0);
class.hbrBackground = NULL;
class.lpszMenuName = NULL;
class.lpszClassName = "gdb_v850ice";
class.lpfnWndProc = v850ice_wndproc;
class.hIcon = NULL;
class.hCursor = NULL;
if (!RegisterClass (&class))
return 0;
hidden_hwnd = CreateWindow ("gdb_v850ice", "gdb_v850ice", WS_TILED,
0, 0, 0, 0, NULL, NULL, class.hInstance,
NULL);
if (hidden_hwnd == NULL)
{
char buf[200];
DWORD err;
err = GetLastError ();
FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, err,
0, buf, 200, NULL);
printf_unfiltered ("Could not create window: %s", buf);
return 0;
}
return 1;
}
/*
This function is installed as the message handler for the hidden window
which QBox will use to communicate with gdb. It recognize and acts
on the following messages:
WM_SYM_TO_ADDR \
WM_ADDR_TO_SYM | Not implemented at NEC's request
WM_DISASSEMBLY /
WM_STATE_CHANGE - tells us that a state change has occured in the ICE
*/
static LRESULT CALLBACK
v850ice_wndproc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
LRESULT result = FALSE;
switch (message)
{
case WM_SYM_TO_ADDR:
MessageBox (0, "Symbol resolution\nNot implemented", "GDB", MB_OK);
break;
case WM_ADDR_TO_SYM:
MessageBox (0, "Address resolution\nNot implemented", "GDB", MB_OK);
break;
case WM_SOURCE:
view_source ((CORE_ADDR) lParam);
break;
case WM_STATE_CHANGE:
switch (wParam)
{
case STATE_CHANGE_LOAD:
{
struct MessageIO iob;
char buf[128];
iob.buf = buf;
iob.size = 128;
/* Load in a new file... Need filename */
ExeAppReq ("GDB", GLOADFILENAME, NULL, &iob);
if (!catch_errors ((catch_errors_ftype *) ice_file, iob.buf, "", RETURN_MASK_ALL))
printf_unfiltered ("load errored\n");
}
break;
case STATE_CHANGE_RESET:
registers_changed ();
flush_cached_frames ();
togdb_force_update ();
result = TRUE;
break;
case STATE_CHANGE_REGS:
registers_changed ();
togdb_force_update ();
result = TRUE;
break;
case STATE_CHANGE_CONT:
if (!catch_errors ((catch_errors_ftype *) ice_cont, NULL, "", RETURN_MASK_ALL))
printf_unfiltered ("continue errored\n");
result = TRUE;
break;
case STATE_CHANGE_STEPI:
if (!catch_errors ((catch_errors_ftype *) ice_stepi, (int) lParam, "",
RETURN_MASK_ALL))
printf_unfiltered ("stepi errored\n");
result = TRUE;
break;
case STATE_CHANGE_NEXTI:
if (!catch_errors ((catch_errors_ftype *) ice_nexti, (int) lParam, "",
RETURN_MASK_ALL))
printf_unfiltered ("nexti errored\n");
result = TRUE;
break;
}
}
if (result == FALSE)
return DefWindowProc (hwnd, message, wParam, lParam);
return FALSE;
}
/* Code for opening a connection to the ICE. */
static void
v850ice_open (char *name, int from_tty)
{
HINSTANCE handle;
if (name)
error ("Too many arguments.");
target_preopen (from_tty);
unpush_target (&v850ice_ops);
if (from_tty)
puts_filtered ("V850ice debugging\n");
push_target (&v850ice_ops); /* Switch to using v850ice target now */
target_terminal_init ();
/* Initialize everything necessary to facilitate communication
between QBox, gdb, and the DLLs which control the ICE */
if (ExeAppReq == NULL)
{
handle = LoadLibrary ("necmsg.dll");
if (handle == NULL)
error ("Cannot load necmsg.dll");
ExeAppReq = (long (*) (char *, long, char *, struct MessageIO *))
GetProcAddress (handle, "ExeAppReq");
RegisterClient = (long (*) (HWND))
GetProcAddress (handle, "RegisterClient");
UnregisterClient = (long (*) (void))
GetProcAddress (handle, "UnregisterClient");
if (ExeAppReq == NULL || RegisterClient == NULL || UnregisterClient == NULL)
error ("Could not find requisite functions in necmsg.dll.");
if (!init_hidden_window ())
error ("could not initialize message handling");
}
/* Tell the DLL we are here */
RegisterClient (hidden_hwnd);
ice_open = 1;
/* Without this, some commands which require an active target (such as kill)
won't work. This variable serves (at least) double duty as both the pid
of the target process (if it has such), and as a flag indicating that a
target is active. These functions should be split out into seperate
variables, especially since GDB will someday have a notion of debugging
several processes. */
inferior_ptid = pid_to_ptid (42000);
start_remote ();
return;
}
/* Clean up connection to a remote debugger. */
/* ARGSUSED */
static void
v850ice_close (int quitting)
{
if (ice_open)
{
UnregisterClient ();
ice_open = 0;
inferior_ptid = null_ptid;
}
}
/* Stop the process on the ice. */
static void
v850ice_stop (void)
{
/* This is silly, but it works... */
v850ice_command ("stop", 0);
}
static void
v850ice_detach (char *args, int from_tty)
{
if (args)
error ("Argument given to \"detach\" when remotely debugging.");
pop_target ();
if (from_tty)
puts_filtered ("Ending v850ice debugging.\n");
}
/* Tell the remote machine to resume. */
static void
v850ice_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
long retval;
char buf[256];
struct MessageIO iob;
iob.size = 0;
iob.buf = buf;
if (step)
retval = ExeAppReq ("GDB", GSINGLESTEP, "step", &iob);
else
retval = ExeAppReq ("GDB", GRESUME, "run", &iob);
if (retval)
error ("ExeAppReq (step = %d) returned %d", step, retval);
}
/* Wait until the remote machine stops, then return,
storing status in STATUS just as `wait' would.
Returns "pid" (though it's not clear what, if anything, that
means in the case of this target). */
static ptid_t
v850ice_wait (ptid_t ptid, struct target_waitstatus *status)
{
long v850_status;
char buf[256];
struct MessageIO iob;
int done = 0;
int count = 0;
iob.size = 0;
iob.buf = buf;
do
{
if (count++ % 100000)
{
ui_loop_hook (0);
count = 0;
}
v850_status = ExeAppReq ("GDB", GCHECKSTATUS, NULL, &iob);
switch (v850_status)
{
case ICE_Idle:
case ICE_Breakpoint:
case ICE_Stepped:
case ICE_Halted:
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = TARGET_SIGNAL_TRAP;
done = 1;
break;
case ICE_Exception:
status->kind = TARGET_WAITKIND_SIGNALLED;
status->value.sig = TARGET_SIGNAL_SEGV;
done = 1;
break;
case ICE_Exited:
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = 0;
done = 1;
break;
case ICE_Terminated:
status->kind = TARGET_WAITKIND_SIGNALLED;
status->value.sig = TARGET_SIGNAL_KILL;
done = 1;
break;
default:
break;
}
}
while (!done);
return inferior_ptid;
}
static int
convert_register (int regno, char *buf)
{
if (regno <= 31)
sprintf (buf, "r%d", regno);
else if (REGISTER_NAME (regno)[0] == 's'
&& REGISTER_NAME (regno)[1] == 'r')
return 0;
else
sprintf (buf, "%s", REGISTER_NAME (regno));
return 1;
}
/* Read the remote registers into the block REGS. */
/* Note that the ICE returns register contents as ascii hex strings. We have
to convert that to an unsigned long, and then call store_unsigned_integer to
convert it to target byte-order if necessary. */
static void
v850ice_fetch_registers (int regno)
{
long retval;
char cmd[100];
char val[100];
struct MessageIO iob;
unsigned long regval;
char *p;
if (regno == -1)
{
for (regno = 0; regno < NUM_REGS; regno++)
v850ice_fetch_registers (regno);
return;
}
strcpy (cmd, "reg ");
if (!convert_register (regno, &cmd[4]))
return;
iob.size = sizeof val;
iob.buf = val;
retval = ExeAppReq ("GDB", GREADREG, cmd, &iob);
if (retval)
error ("1: ExeAppReq returned %d: cmd = %s", retval, cmd);
regval = strtoul (val, NULL, 16);
if (regval == 0 && p == val)
error ("v850ice_fetch_registers (%d): bad value from ICE: %s.",
regno, val);
store_unsigned_integer (val, REGISTER_RAW_SIZE (regno), regval);
supply_register (regno, val);
}
/* Store register REGNO, or all registers if REGNO == -1, from the contents
of REGISTERS. */
static void
v850ice_store_registers (int regno)
{
long retval;
char cmd[100];
unsigned long regval;
char buf[256];
struct MessageIO iob;
iob.size = 0;
iob.buf = buf;
if (regno == -1)
{
for (regno = 0; regno < NUM_REGS; regno++)
v850ice_store_registers (regno);
return;
}
regval = extract_unsigned_integer (&deprecated_registers[DEPRECATED_REGISTER_BYTE (regno)],
REGISTER_RAW_SIZE (regno));
strcpy (cmd, "reg ");
if (!convert_register (regno, &cmd[4]))
return;
sprintf (cmd + strlen (cmd), "=0x%x", regval);
retval = ExeAppReq ("GDB", GWRITEREG, cmd, &iob);
if (retval)
error ("2: ExeAppReq returned %d: cmd = %s", retval, cmd);
}
/* Prepare to store registers. Nothing to do here, since the ICE can write one
register at a time. */
static void
v850ice_prepare_to_store (void)
{
}
/* Read or write LEN bytes from inferior memory at MEMADDR, transferring
to or from debugger address MYADDR. Write to inferior if SHOULD_WRITE is
nonzero. TARGET is unused. Returns length of data written or read;
0 for error.
We can only read/write MAX_BLOCK_SIZE bytes at a time, though, or the DLL
dies. */
/* ARGSUSED */
static int
v850ice_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
int should_write, struct target_ops *target)
{
long retval;
char cmd[100];
struct MessageIO iob;
int sent;
if (should_write)
{
if (len == 4 || len == 2 || len == 1)
{
long value = 0;
char buf[256];
char c;
iob.size = 0;
iob.buf = buf;
sent = 0;
switch (len)
{
case 4:
c = 'w';
value |= (long) ((myaddr[3] << 24) & 0xff000000);
value |= (long) ((myaddr[2] << 16) & 0x00ff0000);
value |= (long) ((myaddr[1] << 8) & 0x0000ff00);
value |= (long) (myaddr[0] & 0x000000ff);
break;
case 2:
c = 'h';
value |= (long) ((myaddr[1] << 8) & 0xff00);
value |= (long) (myaddr[0] & 0x00ff);
break;
case 1:
c = 'b';
value |= (long) (myaddr[0] & 0xff);
break;
}
sprintf (cmd, "memory %c c 0x%x=0x%x", c, (int) memaddr, value);
retval = ExeAppReq ("GDB", GWRITEMEM, cmd, &iob);
if (retval == 0)
sent = len;
}
else
{
sent = 0;
do
{
iob.size = len > MAX_BLOCK_SIZE ? MAX_BLOCK_SIZE : len;
iob.buf = myaddr;
sprintf (cmd, "memory b c 0x%x=0x00 l=%d", (int) memaddr, iob.size);
retval = ExeAppReq ("GDB", GWRITEBLOCK, cmd, &iob);
if (retval != 0)
break;
len -= iob.size;
memaddr += iob.size;
myaddr += iob.size;
sent += iob.size;
}
while (len > 0);
}
}
else
{
unsigned char *tmp;
unsigned char *t;
int i;
tmp = alloca (len + 100);
t = tmp;
memset (tmp + len, 0xff, 100);
sent = 0;
do
{
iob.size = len > MAX_BLOCK_SIZE ? MAX_BLOCK_SIZE : len;
iob.buf = tmp;
sprintf (cmd, "memory b 0x%x l=%d", (int) memaddr, iob.size);
retval = ExeAppReq ("GDB", GREADBLOCK, cmd, &iob);
if (retval != 0)
break;
len -= iob.size;
memaddr += iob.size;
sent += iob.size;
tmp += iob.size;
}
while (len > 0);
if (retval == 0)
{
for (i = 0; i < 100; i++)
{
if (t[sent + i] != 0xff)
{
warning ("GREADBLOCK trashed bytes after transfer area.");
break;
}
}
memcpy (myaddr, t, sent);
}
}
if (retval != 0)
error ("3: ExeAppReq returned %d: cmd = %s", retval, cmd);
return sent;
}
static void
v850ice_files_info (struct target_ops *ignore)
{
puts_filtered ("Debugging a target via the NEC V850 ICE.\n");
}
static int
v850ice_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
long retval;
char cmd[100];
char buf[256];
struct MessageIO iob;
iob.size = 0;
iob.buf = buf;
sprintf (cmd, "%d, ", addr);
retval = ExeAppReq ("GDB", GSETBREAK, cmd, &iob);
if (retval)
error ("ExeAppReq (GSETBREAK) returned %d: cmd = %s", retval, cmd);
return 0;
}
static int
v850ice_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
{
long retval;
char cmd[100];
char buf[256];
struct MessageIO iob;
iob.size = 0;
iob.buf = buf;
sprintf (cmd, "%d, ", addr);
retval = ExeAppReq ("GDB", GREMOVEBREAK, cmd, &iob);
if (retval)
error ("ExeAppReq (GREMOVEBREAK) returned %d: cmd = %s", retval, cmd);
return 0;
}
static void
v850ice_kill (void)
{
target_mourn_inferior ();
inferior_ptid = null_ptid;
}
static void
v850ice_mourn (void)
{
}
static void
v850ice_load (char *filename, int from_tty)
{
struct MessageIO iob;
char buf[256];
iob.size = 0;
iob.buf = buf;
generic_load (filename, from_tty);
ExeAppReq ("GDB", GDOWNLOAD, filename, &iob);
}
static int
ice_file (char *arg)
{
char *s;
target_detach (NULL, 0);
pop_target ();
printf_unfiltered ("\n");
s = arg;
while (*s != '\0')
{
if (*s == '\\')
*s = '/';
s++;
}
/* Safegaurd against confusing the breakpoint routines... */
delete_command (NULL, 0);
/* Must supress from_tty, otherwise we could start asking if the
user really wants to load a new symbol table, etc... */
printf_unfiltered ("Reading symbols from %s...", arg);
exec_open (arg, 0);
symbol_file_add_main (arg, 0);
printf_unfiltered ("done\n");
/* exec_open will kill our target, so reinstall the ICE as
the target. */
v850ice_open (NULL, 0);
togdb_force_update ();
return 1;
}
static int
ice_cont (char *c)
{
printf_filtered ("continue (ice)\n");
ReplyMessage ((LRESULT) 1);
if (gdbtk_interp == NULL)
{
continue_command (NULL, 1);
}
else
Tcl_Eval (gdbtk_interp, "gdb_immediate continue");
return 1;
}
static void
do_gdb (char *cmd, char *str, void (*func) (char *, int), int count)
{
ReplyMessage ((LRESULT) 1);
while (count--)
{
printf_unfiltered (str);
if (gdbtk_interp == NULL)
{
func (NULL, 0);
}
else
Tcl_Eval (gdbtk_interp, cmd);
}
}
static int
ice_stepi (char *c)
{
int count = (int) c;
do_gdb ("gdb_immediate stepi", "stepi (ice)\n", stepi_command, count);
return 1;
}
static int
ice_nexti (char *c)
{
int count = (int) c;
do_gdb ("gdb_immediate nexti", "nexti (ice)\n", nexti_command, count);
return 1;
}
static void
v850ice_command (char *arg, int from_tty)
{
struct MessageIO iob;
char buf[256];
iob.buf = buf;
iob.size = 0;
ExeAppReq ("GDB", GCOMMAND, arg, &iob);
}
static void
togdb_force_update (void)
{
if (gdbtk_interp != NULL)
Tcl_Eval (gdbtk_interp, "gdbtk_update");
}
static void
view_source (CORE_ADDR addr)
{
char c[256];
if (gdbtk_interp != NULL)
{
sprintf (c, "catch {set src [lindex [ManagedWin::find SrcWin] 0]\n$src location BROWSE [gdb_loc *0x%x]}", addr);
Tcl_Eval (gdbtk_interp, c);
}
}
/* Define the target subroutine names */
static void
init_850ice_ops (void)
{
v850ice_ops.to_shortname = "ice";
v850ice_ops.to_longname = "NEC V850 ICE interface";
v850ice_ops.to_doc = "Debug a system controlled by a NEC 850 ICE.";
v850ice_ops.to_open = v850ice_open;
v850ice_ops.to_close = v850ice_close;
v850ice_ops.to_detach = v850ice_detach;
v850ice_ops.to_resume = v850ice_resume;
v850ice_ops.to_wait = v850ice_wait;
v850ice_ops.to_fetch_registers = v850ice_fetch_registers;
v850ice_ops.to_store_registers = v850ice_store_registers;
v850ice_ops.to_prepare_to_store = v850ice_prepare_to_store;
v850ice_ops.to_xfer_memory = v850ice_xfer_memory;
v850ice_ops.to_files_info = v850ice_files_info;
v850ice_ops.to_insert_breakpoint = v850ice_insert_breakpoint;
v850ice_ops.to_remove_breakpoint = v850ice_remove_breakpoint;
v850ice_ops.to_kill = v850ice_kill;
v850ice_ops.to_load = v850ice_load;
v850ice_ops.to_mourn_inferior = v850ice_mourn;
v850ice_ops.to_stop = v850ice_stop;
v850ice_ops.to_stratum = process_stratum;
v850ice_ops.to_has_all_memory = 1;
v850ice_ops.to_has_memory = 1;
v850ice_ops.to_has_stack = 1;
v850ice_ops.to_has_registers = 1;
v850ice_ops.to_has_execution = 1;
v850ice_ops.to_magic = OPS_MAGIC;
}
void
_initialize_v850ice (void)
{
init_850ice_ops ();
add_target (&v850ice_ops);
add_com ("ice", class_obscure, v850ice_command,
"Send command to ICE");
}
|