aboutsummaryrefslogtreecommitdiff
path: root/gdb/h8500-tdep.c
blob: f30fbd030edd3049607125ae16f4302d2d97302b (plain)
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
// OBSOLETE /* Target-dependent code for Hitachi H8/500, for GDB.
// OBSOLETE 
// OBSOLETE    Copyright 1993, 1994, 1995, 1998, 2000, 2001, 2002 Free Software
// OBSOLETE    Foundation, Inc.
// OBSOLETE 
// OBSOLETE    This file is part of GDB.
// OBSOLETE 
// OBSOLETE    This program is free software; you can redistribute it and/or modify
// OBSOLETE    it under the terms of the GNU General Public License as published by
// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
// OBSOLETE    (at your option) any later version.
// OBSOLETE 
// OBSOLETE    This program is distributed in the hope that it will be useful,
// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// OBSOLETE    GNU General Public License for more details.
// OBSOLETE 
// OBSOLETE    You should have received a copy of the GNU General Public License
// OBSOLETE    along with this program; if not, write to the Free Software
// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
// OBSOLETE    Boston, MA 02111-1307, USA.  */
// OBSOLETE 
// OBSOLETE /*
// OBSOLETE    Contributed by Steve Chamberlain
// OBSOLETE    sac@cygnus.com
// OBSOLETE  */
// OBSOLETE 
// OBSOLETE #include "defs.h"
// OBSOLETE #include "frame.h"
// OBSOLETE #include "symtab.h"
// OBSOLETE #include "gdbtypes.h"
// OBSOLETE #include "gdbcmd.h"
// OBSOLETE #include "value.h"
// OBSOLETE #include "dis-asm.h"
// OBSOLETE #include "gdbcore.h"
// OBSOLETE #include "regcache.h"
// OBSOLETE 
// OBSOLETE #define UNSIGNED_SHORT(X) ((X) & 0xffff)
// OBSOLETE 
// OBSOLETE static int code_size = 2;
// OBSOLETE 
// OBSOLETE static int data_size = 2;
// OBSOLETE 
// OBSOLETE /* Shape of an H8/500 frame :
// OBSOLETE 
// OBSOLETE    arg-n
// OBSOLETE    ..
// OBSOLETE    arg-2
// OBSOLETE    arg-1
// OBSOLETE    return address <2 or 4 bytes>
// OBSOLETE    old fp         <2 bytes>
// OBSOLETE    auto-n
// OBSOLETE    ..
// OBSOLETE    auto-1
// OBSOLETE    saved registers
// OBSOLETE 
// OBSOLETE  */
// OBSOLETE 
// OBSOLETE /* an easy to debug H8 stack frame looks like:
// OBSOLETE    0x6df6               push    r6
// OBSOLETE    0x0d76       mov.w   r7,r6
// OBSOLETE    0x6dfn          push    reg
// OBSOLETE    0x7905 nnnn          mov.w  #n,r5    or   0x1b87  subs #2,sp
// OBSOLETE    0x1957               sub.w  r5,sp
// OBSOLETE 
// OBSOLETE  */
// OBSOLETE 
// OBSOLETE #define IS_PUSH(x) (((x) & 0xff00)==0x6d00)
// OBSOLETE #define IS_LINK_8(x) ((x) == 0x17)
// OBSOLETE #define IS_LINK_16(x) ((x) == 0x1f)
// OBSOLETE #define IS_MOVE_FP(x) ((x) == 0x0d76)
// OBSOLETE #define IS_MOV_SP_FP(x) ((x) == 0x0d76)
// OBSOLETE #define IS_SUB2_SP(x) ((x) == 0x1b87)
// OBSOLETE #define IS_MOVK_R5(x) ((x) == 0x7905)
// OBSOLETE #define IS_SUB_R5SP(x) ((x) == 0x1957)
// OBSOLETE 
// OBSOLETE #define LINK_8 0x17
// OBSOLETE #define LINK_16 0x1f
// OBSOLETE 
// OBSOLETE int minimum_mode = 1;
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE h8500_skip_prologue (CORE_ADDR start_pc)
// OBSOLETE {
// OBSOLETE   short int w;
// OBSOLETE 
// OBSOLETE   w = read_memory_integer (start_pc, 1);
// OBSOLETE   if (w == LINK_8)
// OBSOLETE     {
// OBSOLETE       start_pc += 2;
// OBSOLETE       w = read_memory_integer (start_pc, 1);
// OBSOLETE     }
// OBSOLETE 
// OBSOLETE   if (w == LINK_16)
// OBSOLETE     {
// OBSOLETE       start_pc += 3;
// OBSOLETE       w = read_memory_integer (start_pc, 2);
// OBSOLETE     }
// OBSOLETE 
// OBSOLETE   return start_pc;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE h8500_addr_bits_remove (CORE_ADDR addr)
// OBSOLETE {
// OBSOLETE   return ((addr) & 0xffffff);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE /* Given a GDB frame, determine the address of the calling function's
// OBSOLETE    frame.  This will be used to create a new GDB frame struct, and
// OBSOLETE    then INIT_EXTRA_FRAME_INFO and DEPRECATED_INIT_FRAME_PC will be
// OBSOLETE    called for the new frame.
// OBSOLETE 
// OBSOLETE    For us, the frame address is its stack pointer value, so we look up
// OBSOLETE    the function prologue to determine the caller's sp value, and return it.  */
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE h8500_frame_chain (struct frame_info *thisframe)
// OBSOLETE {
// OBSOLETE   if (!inside_entry_file (thisframe->pc))
// OBSOLETE     return (read_memory_integer (get_frame_base (thisframe), PTR_SIZE));
// OBSOLETE   else
// OBSOLETE     return 0;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE /* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
// OBSOLETE    is not the address of a valid instruction, the address of the next
// OBSOLETE    instruction beyond ADDR otherwise.  *PWORD1 receives the first word
// OBSOLETE    of the instruction. */
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, char *pword1)
// OBSOLETE {
// OBSOLETE   if (addr < lim + 8)
// OBSOLETE     {
// OBSOLETE       read_memory (addr, pword1, 1);
// OBSOLETE       read_memory (addr, pword1 + 1, 1);
// OBSOLETE       return 1;
// OBSOLETE     }
// OBSOLETE   return 0;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE /* Examine the prologue of a function.  `ip' points to the first
// OBSOLETE    instruction.  `limit' is the limit of the prologue (e.g. the addr
// OBSOLETE    of the first linenumber, or perhaps the program counter if we're
// OBSOLETE    stepping through).  `frame_sp' is the stack pointer value in use in
// OBSOLETE    this frame.  `fsr' is a pointer to a frame_saved_regs structure
// OBSOLETE    into which we put info about the registers saved by this frame.
// OBSOLETE    `fi' is a struct frame_info pointer; we fill in various fields in
// OBSOLETE    it to reflect the offsets of the arg pointer and the locals
// OBSOLETE    pointer.  */
// OBSOLETE 
// OBSOLETE /* Return the saved PC from this frame. */
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE frame_saved_pc (struct frame_info *frame)
// OBSOLETE {
// OBSOLETE   return read_memory_integer (get_frame_base (frame) + 2, PTR_SIZE);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE void
// OBSOLETE h8500_pop_frame (void)
// OBSOLETE {
// OBSOLETE   unsigned regnum;
// OBSOLETE   struct frame_saved_regs fsr;
// OBSOLETE   struct frame_info *frame = get_current_frame ();
// OBSOLETE 
// OBSOLETE   deprecated_get_frame_saved_regs (frame, &fsr);
// OBSOLETE 
// OBSOLETE   for (regnum = 0; regnum < 8; regnum++)
// OBSOLETE     {
// OBSOLETE       if (fsr.regs[regnum])
// OBSOLETE 	write_register (regnum, read_memory_short (fsr.regs[regnum]));
// OBSOLETE 
// OBSOLETE       flush_cached_frames ();
// OBSOLETE     }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE static void
// OBSOLETE h8500_print_register_hook (int regno)
// OBSOLETE {
// OBSOLETE   if (regno == CCR_REGNUM)
// OBSOLETE     {
// OBSOLETE       /* CCR register */
// OBSOLETE 
// OBSOLETE       int C, Z, N, V;
// OBSOLETE       unsigned char b[2];
// OBSOLETE       unsigned char l;
// OBSOLETE 
// OBSOLETE       frame_register_read (deprecated_selected_frame, regno, b);
// OBSOLETE       l = b[1];
// OBSOLETE       printf_unfiltered ("\t");
// OBSOLETE       printf_unfiltered ("I-%d - ", (l & 0x80) != 0);
// OBSOLETE       N = (l & 0x8) != 0;
// OBSOLETE       Z = (l & 0x4) != 0;
// OBSOLETE       V = (l & 0x2) != 0;
// OBSOLETE       C = (l & 0x1) != 0;
// OBSOLETE       printf_unfiltered ("N-%d ", N);
// OBSOLETE       printf_unfiltered ("Z-%d ", Z);
// OBSOLETE       printf_unfiltered ("V-%d ", V);
// OBSOLETE       printf_unfiltered ("C-%d ", C);
// OBSOLETE       if ((C | Z) == 0)
// OBSOLETE 	printf_unfiltered ("u> ");
// OBSOLETE       if ((C | Z) == 1)
// OBSOLETE 	printf_unfiltered ("u<= ");
// OBSOLETE       if ((C == 0))
// OBSOLETE 	printf_unfiltered ("u>= ");
// OBSOLETE       if (C == 1)
// OBSOLETE 	printf_unfiltered ("u< ");
// OBSOLETE       if (Z == 0)
// OBSOLETE 	printf_unfiltered ("!= ");
// OBSOLETE       if (Z == 1)
// OBSOLETE 	printf_unfiltered ("== ");
// OBSOLETE       if ((N ^ V) == 0)
// OBSOLETE 	printf_unfiltered (">= ");
// OBSOLETE       if ((N ^ V) == 1)
// OBSOLETE 	printf_unfiltered ("< ");
// OBSOLETE       if ((Z | (N ^ V)) == 0)
// OBSOLETE 	printf_unfiltered ("> ");
// OBSOLETE       if ((Z | (N ^ V)) == 1)
// OBSOLETE 	printf_unfiltered ("<= ");
// OBSOLETE     }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE static void
// OBSOLETE h8500_print_registers_info (struct gdbarch *gdbarch,
// OBSOLETE 			    struct ui_file *file,
// OBSOLETE 			    struct frame_info *frame,
// OBSOLETE 			    int regnum, int print_all)
// OBSOLETE {
// OBSOLETE   int i;
// OBSOLETE   const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
// OBSOLETE   char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
// OBSOLETE   char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
// OBSOLETE 
// OBSOLETE   for (i = 0; i < numregs; i++)
// OBSOLETE     {
// OBSOLETE       /* Decide between printing all regs, non-float / vector regs, or
// OBSOLETE          specific reg.  */
// OBSOLETE       if (regnum == -1)
// OBSOLETE 	{
// OBSOLETE 	  if (!print_all)
// OBSOLETE 	    {
// OBSOLETE 	      if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
// OBSOLETE 		continue;
// OBSOLETE 	      if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
// OBSOLETE 		continue;
// OBSOLETE 	    }
// OBSOLETE 	}
// OBSOLETE       else
// OBSOLETE 	{
// OBSOLETE 	  if (i != regnum)
// OBSOLETE 	    continue;
// OBSOLETE 	}
// OBSOLETE 
// OBSOLETE       /* If the register name is empty, it is undefined for this
// OBSOLETE          processor, so don't display anything.  */
// OBSOLETE       if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
// OBSOLETE 	continue;
// OBSOLETE 
// OBSOLETE       fputs_filtered (REGISTER_NAME (i), file);
// OBSOLETE       print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
// OBSOLETE 
// OBSOLETE       /* Get the data in raw format.  */
// OBSOLETE       if (! frame_register_read (frame, i, raw_buffer))
// OBSOLETE 	{
// OBSOLETE 	  fprintf_filtered (file, "*value not available*\n");
// OBSOLETE 	  continue;
// OBSOLETE 	}
// OBSOLETE 
// OBSOLETE       /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
// OBSOLETE          The function frame_register_read() should have returned the
// OBSOLETE          pre-cooked register so no conversion is necessary.  */
// OBSOLETE       /* Convert raw data to virtual format if necessary.  */
// OBSOLETE       if (REGISTER_CONVERTIBLE (i))
// OBSOLETE 	{
// OBSOLETE 	  REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
// OBSOLETE 				       raw_buffer, virtual_buffer);
// OBSOLETE 	}
// OBSOLETE       else
// OBSOLETE 	{
// OBSOLETE 	  memcpy (virtual_buffer, raw_buffer,
// OBSOLETE 		  REGISTER_VIRTUAL_SIZE (i));
// OBSOLETE 	}
// OBSOLETE 
// OBSOLETE       /* If virtual format is floating, print it that way, and in raw
// OBSOLETE          hex.  */
// OBSOLETE       if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
// OBSOLETE 	{
// OBSOLETE 	  int j;
// OBSOLETE 
// OBSOLETE 	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
// OBSOLETE 		     file, 0, 1, 0, Val_pretty_default);
// OBSOLETE 
// OBSOLETE 	  fprintf_filtered (file, "\t(raw 0x");
// OBSOLETE 	  for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
// OBSOLETE 	    {
// OBSOLETE 	      int idx;
// OBSOLETE 	      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
// OBSOLETE 		idx = j;
// OBSOLETE 	      else
// OBSOLETE 		idx = REGISTER_RAW_SIZE (i) - 1 - j;
// OBSOLETE 	      fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
// OBSOLETE 	    }
// OBSOLETE 	  fprintf_filtered (file, ")");
// OBSOLETE 	}
// OBSOLETE       else
// OBSOLETE 	{
// OBSOLETE 	  /* Print the register in hex.  */
// OBSOLETE 	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
// OBSOLETE 		     file, 'x', 1, 0, Val_pretty_default);
// OBSOLETE           /* If not a vector register, print it also according to its
// OBSOLETE              natural format.  */
// OBSOLETE 	  if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
// OBSOLETE 	    {
// OBSOLETE 	      fprintf_filtered (file, "\t");
// OBSOLETE 	      val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
// OBSOLETE 			 file, 0, 1, 0, Val_pretty_default);
// OBSOLETE 	    }
// OBSOLETE 	}
// OBSOLETE 
// OBSOLETE       /* Some h8500 specific info.  */
// OBSOLETE       h8500_print_register_hook (i);
// OBSOLETE 
// OBSOLETE       fprintf_filtered (file, "\n");
// OBSOLETE     }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE void
// OBSOLETE h8500_do_registers_info (int regnum, int all)
// OBSOLETE {
// OBSOLETE   h8500_print_registers_info (current_gdbarch, gdb_stdout, deprecated_selected_frame,
// OBSOLETE 			      regnum, all);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE int
// OBSOLETE h8500_register_size (int regno)
// OBSOLETE {
// OBSOLETE   switch (regno)
// OBSOLETE     {
// OBSOLETE     case SEG_C_REGNUM:
// OBSOLETE     case SEG_D_REGNUM:
// OBSOLETE     case SEG_E_REGNUM:
// OBSOLETE     case SEG_T_REGNUM:
// OBSOLETE       return 1;
// OBSOLETE     case R0_REGNUM:
// OBSOLETE     case R1_REGNUM:
// OBSOLETE     case R2_REGNUM:
// OBSOLETE     case R3_REGNUM:
// OBSOLETE     case R4_REGNUM:
// OBSOLETE     case R5_REGNUM:
// OBSOLETE     case R6_REGNUM:
// OBSOLETE     case R7_REGNUM:
// OBSOLETE     case CCR_REGNUM:
// OBSOLETE       return 2;
// OBSOLETE 
// OBSOLETE     case PR0_REGNUM:
// OBSOLETE     case PR1_REGNUM:
// OBSOLETE     case PR2_REGNUM:
// OBSOLETE     case PR3_REGNUM:
// OBSOLETE     case PR4_REGNUM:
// OBSOLETE     case PR5_REGNUM:
// OBSOLETE     case PR6_REGNUM:
// OBSOLETE     case PR7_REGNUM:
// OBSOLETE     case PC_REGNUM:
// OBSOLETE       return 4;
// OBSOLETE     default:
// OBSOLETE       internal_error (__FILE__, __LINE__, "failed internal consistency check");
// OBSOLETE     }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE struct type *
// OBSOLETE h8500_register_virtual_type (int regno)
// OBSOLETE {
// OBSOLETE   switch (regno)
// OBSOLETE     {
// OBSOLETE     case SEG_C_REGNUM:
// OBSOLETE     case SEG_E_REGNUM:
// OBSOLETE     case SEG_D_REGNUM:
// OBSOLETE     case SEG_T_REGNUM:
// OBSOLETE       return builtin_type_unsigned_char;
// OBSOLETE     case R0_REGNUM:
// OBSOLETE     case R1_REGNUM:
// OBSOLETE     case R2_REGNUM:
// OBSOLETE     case R3_REGNUM:
// OBSOLETE     case R4_REGNUM:
// OBSOLETE     case R5_REGNUM:
// OBSOLETE     case R6_REGNUM:
// OBSOLETE     case R7_REGNUM:
// OBSOLETE     case CCR_REGNUM:
// OBSOLETE       return builtin_type_unsigned_short;
// OBSOLETE     case PR0_REGNUM:
// OBSOLETE     case PR1_REGNUM:
// OBSOLETE     case PR2_REGNUM:
// OBSOLETE     case PR3_REGNUM:
// OBSOLETE     case PR4_REGNUM:
// OBSOLETE     case PR5_REGNUM:
// OBSOLETE     case PR6_REGNUM:
// OBSOLETE     case PR7_REGNUM:
// OBSOLETE     case PC_REGNUM:
// OBSOLETE       return builtin_type_unsigned_long;
// OBSOLETE     default:
// OBSOLETE       internal_error (__FILE__, __LINE__, "failed internal consistency check");
// OBSOLETE     }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE /* Put here the code to store, into a struct frame_saved_regs,
// OBSOLETE    the addresses of the saved registers of frame described by FRAME_INFO.
// OBSOLETE    This includes special registers such as pc and fp saved in special
// OBSOLETE    ways in the stack frame.  sp is even more special:
// OBSOLETE    the address we return for it IS the sp for the next frame.  */
// OBSOLETE 
// OBSOLETE void
// OBSOLETE frame_find_saved_regs (struct frame_info *frame_info,
// OBSOLETE 		       struct frame_saved_regs *frame_saved_regs)
// OBSOLETE {
// OBSOLETE   register int regnum;
// OBSOLETE   register int regmask;
// OBSOLETE   register CORE_ADDR next_addr;
// OBSOLETE   register CORE_ADDR pc;
// OBSOLETE   unsigned char thebyte;
// OBSOLETE 
// OBSOLETE   memset (frame_saved_regs, '\0', sizeof *frame_saved_regs);
// OBSOLETE 
// OBSOLETE   if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4
// OBSOLETE       && (frame_info)->pc <= (frame_info)->frame)
// OBSOLETE     {
// OBSOLETE       next_addr = (frame_info)->frame;
// OBSOLETE       pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4;
// OBSOLETE     }
// OBSOLETE   else
// OBSOLETE     {
// OBSOLETE       pc = get_pc_function_start ((frame_info)->pc);
// OBSOLETE       /* Verify we have a link a6 instruction next;
// OBSOLETE          if not we lose.  If we win, find the address above the saved
// OBSOLETE          regs using the amount of storage from the link instruction.
// OBSOLETE        */
// OBSOLETE 
// OBSOLETE       thebyte = read_memory_integer (pc, 1);
// OBSOLETE       if (0x1f == thebyte)
// OBSOLETE 	next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 2), pc += 2;
// OBSOLETE       else if (0x17 == thebyte)
// OBSOLETE 	next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 1), pc += 1;
// OBSOLETE       else
// OBSOLETE 	goto lose;
// OBSOLETE #if 0
// OBSOLETE       /* FIXME steve */
// OBSOLETE       /* If have an add:g.waddal #-n, sp next, adjust next_addr.  */
// OBSOLETE       if ((0x0c0177777 & read_memory_integer (pc, 2)) == 0157774)
// OBSOLETE 	next_addr += read_memory_integer (pc += 2, 4), pc += 4;
// OBSOLETE #endif
// OBSOLETE     }
// OBSOLETE 
// OBSOLETE   thebyte = read_memory_integer (pc, 1);
// OBSOLETE   if (thebyte == 0x12)
// OBSOLETE     {
// OBSOLETE       /* Got stm */
// OBSOLETE       pc++;
// OBSOLETE       regmask = read_memory_integer (pc, 1);
// OBSOLETE       pc++;
// OBSOLETE       for (regnum = 0; regnum < 8; regnum++, regmask >>= 1)
// OBSOLETE 	{
// OBSOLETE 	  if (regmask & 1)
// OBSOLETE 	    {
// OBSOLETE 	      (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
// OBSOLETE 	    }
// OBSOLETE 	}
// OBSOLETE       thebyte = read_memory_integer (pc, 1);
// OBSOLETE     }
// OBSOLETE   /* Maybe got a load of pushes */
// OBSOLETE   while (thebyte == 0xbf)
// OBSOLETE     {
// OBSOLETE       pc++;
// OBSOLETE       regnum = read_memory_integer (pc, 1) & 0x7;
// OBSOLETE       pc++;
// OBSOLETE       (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
// OBSOLETE       thebyte = read_memory_integer (pc, 1);
// OBSOLETE     }
// OBSOLETE 
// OBSOLETE lose:;
// OBSOLETE 
// OBSOLETE   /* Remember the address of the frame pointer */
// OBSOLETE   (frame_saved_regs)->regs[FP_REGNUM] = (frame_info)->frame;
// OBSOLETE 
// OBSOLETE   /* This is where the old sp is hidden */
// OBSOLETE   (frame_saved_regs)->regs[SP_REGNUM] = (frame_info)->frame;
// OBSOLETE 
// OBSOLETE   /* And the PC - remember the pushed FP is always two bytes long */
// OBSOLETE   (frame_saved_regs)->regs[PC_REGNUM] = (frame_info)->frame + 2;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE saved_pc_after_call (void)
// OBSOLETE {
// OBSOLETE   int x;
// OBSOLETE   int a = read_register (SP_REGNUM);
// OBSOLETE 
// OBSOLETE   x = read_memory_integer (a, code_size);
// OBSOLETE   if (code_size == 2)
// OBSOLETE     {
// OBSOLETE       /* Stick current code segement onto top */
// OBSOLETE       x &= 0xffff;
// OBSOLETE       x |= read_register (SEG_C_REGNUM) << 16;
// OBSOLETE     }
// OBSOLETE   x &= 0xffffff;
// OBSOLETE   return x;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE void
// OBSOLETE h8500_set_pointer_size (int newsize)
// OBSOLETE {
// OBSOLETE   static int oldsize = 0;
// OBSOLETE 
// OBSOLETE   if (oldsize != newsize)
// OBSOLETE     {
// OBSOLETE       printf_unfiltered ("pointer size set to %d bits\n", newsize);
// OBSOLETE       oldsize = newsize;
// OBSOLETE       if (newsize == 32)
// OBSOLETE 	{
// OBSOLETE 	  minimum_mode = 0;
// OBSOLETE 	}
// OBSOLETE       else
// OBSOLETE 	{
// OBSOLETE 	  minimum_mode = 1;
// OBSOLETE 	}
// OBSOLETE       _initialize_gdbtypes ();
// OBSOLETE     }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE static void
// OBSOLETE big_command (char *arg, int from_tty)
// OBSOLETE {
// OBSOLETE   h8500_set_pointer_size (32);
// OBSOLETE   code_size = 4;
// OBSOLETE   data_size = 4;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE static void
// OBSOLETE medium_command (char *arg, int from_tty)
// OBSOLETE {
// OBSOLETE   h8500_set_pointer_size (32);
// OBSOLETE   code_size = 4;
// OBSOLETE   data_size = 2;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE static void
// OBSOLETE compact_command (char *arg, int from_tty)
// OBSOLETE {
// OBSOLETE   h8500_set_pointer_size (32);
// OBSOLETE   code_size = 2;
// OBSOLETE   data_size = 4;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE static void
// OBSOLETE small_command (char *arg, int from_tty)
// OBSOLETE {
// OBSOLETE   h8500_set_pointer_size (16);
// OBSOLETE   code_size = 2;
// OBSOLETE   data_size = 2;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE static struct cmd_list_element *setmemorylist;
// OBSOLETE 
// OBSOLETE static void
// OBSOLETE set_memory (char *args, int from_tty)
// OBSOLETE {
// OBSOLETE   printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
// OBSOLETE   help_list (setmemorylist, "set memory ", -1, gdb_stdout);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE /* See if variable name is ppc or pr[0-7] */
// OBSOLETE 
// OBSOLETE int
// OBSOLETE h8500_is_trapped_internalvar (char *name)
// OBSOLETE {
// OBSOLETE   if (name[0] != 'p')
// OBSOLETE     return 0;
// OBSOLETE 
// OBSOLETE   if (strcmp (name + 1, "pc") == 0)
// OBSOLETE     return 1;
// OBSOLETE 
// OBSOLETE   if (name[1] == 'r'
// OBSOLETE       && name[2] >= '0'
// OBSOLETE       && name[2] <= '7'
// OBSOLETE       && name[3] == '\000')
// OBSOLETE     return 1;
// OBSOLETE   else
// OBSOLETE     return 0;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE struct value *
// OBSOLETE h8500_value_of_trapped_internalvar (struct internalvar *var)
// OBSOLETE {
// OBSOLETE   LONGEST regval;
// OBSOLETE   unsigned char regbuf[4];
// OBSOLETE   int page_regnum, regnum;
// OBSOLETE 
// OBSOLETE   regnum = var->name[2] == 'c' ? PC_REGNUM : var->name[2] - '0';
// OBSOLETE 
// OBSOLETE   switch (var->name[2])
// OBSOLETE     {
// OBSOLETE     case 'c':
// OBSOLETE       page_regnum = SEG_C_REGNUM;
// OBSOLETE       break;
// OBSOLETE     case '0':
// OBSOLETE     case '1':
// OBSOLETE     case '2':
// OBSOLETE     case '3':
// OBSOLETE       page_regnum = SEG_D_REGNUM;
// OBSOLETE       break;
// OBSOLETE     case '4':
// OBSOLETE     case '5':
// OBSOLETE       page_regnum = SEG_E_REGNUM;
// OBSOLETE       break;
// OBSOLETE     case '6':
// OBSOLETE     case '7':
// OBSOLETE       page_regnum = SEG_T_REGNUM;
// OBSOLETE       break;
// OBSOLETE     }
// OBSOLETE 
// OBSOLETE   get_saved_register (regbuf, NULL, NULL, deprecated_selected_frame, page_regnum, NULL);
// OBSOLETE   regval = regbuf[0] << 16;
// OBSOLETE 
// OBSOLETE   get_saved_register (regbuf, NULL, NULL, deprecated_selected_frame, regnum, NULL);
// OBSOLETE   regval |= regbuf[0] << 8 | regbuf[1];		/* XXX host/target byte order */
// OBSOLETE 
// OBSOLETE   xfree (var->value);		/* Free up old value */
// OBSOLETE 
// OBSOLETE   var->value = value_from_longest (builtin_type_unsigned_long, regval);
// OBSOLETE   release_value (var->value);	/* Unchain new value */
// OBSOLETE 
// OBSOLETE   VALUE_LVAL (var->value) = lval_internalvar;
// OBSOLETE   VALUE_INTERNALVAR (var->value) = var;
// OBSOLETE   return var->value;
// OBSOLETE }
// OBSOLETE 
// OBSOLETE void
// OBSOLETE h8500_set_trapped_internalvar (struct internalvar *var, struct value *newval,
// OBSOLETE 			       int bitpos, int bitsize, int offset)
// OBSOLETE {
// OBSOLETE   char *page_regnum, *regnum;
// OBSOLETE   char expression[100];
// OBSOLETE   unsigned new_regval;
// OBSOLETE   struct type *type;
// OBSOLETE   enum type_code newval_type_code;
// OBSOLETE 
// OBSOLETE   type = check_typedef (VALUE_TYPE (newval));
// OBSOLETE   newval_type_code = TYPE_CODE (type);
// OBSOLETE 
// OBSOLETE   if ((newval_type_code != TYPE_CODE_INT
// OBSOLETE        && newval_type_code != TYPE_CODE_PTR)
// OBSOLETE       || TYPE_LENGTH (type) != sizeof (new_regval))
// OBSOLETE     error ("Illegal type (%s) for assignment to $%s\n",
// OBSOLETE 	   TYPE_NAME (VALUE_TYPE (newval)), var->name);
// OBSOLETE 
// OBSOLETE   new_regval = *(long *) VALUE_CONTENTS_RAW (newval);
// OBSOLETE 
// OBSOLETE   regnum = var->name + 1;
// OBSOLETE 
// OBSOLETE   switch (var->name[2])
// OBSOLETE     {
// OBSOLETE     case 'c':
// OBSOLETE       page_regnum = "cp";
// OBSOLETE       break;
// OBSOLETE     case '0':
// OBSOLETE     case '1':
// OBSOLETE     case '2':
// OBSOLETE     case '3':
// OBSOLETE       page_regnum = "dp";
// OBSOLETE       break;
// OBSOLETE     case '4':
// OBSOLETE     case '5':
// OBSOLETE       page_regnum = "ep";
// OBSOLETE       break;
// OBSOLETE     case '6':
// OBSOLETE     case '7':
// OBSOLETE       page_regnum = "tp";
// OBSOLETE       break;
// OBSOLETE     }
// OBSOLETE 
// OBSOLETE   sprintf (expression, "$%s=%d", page_regnum, new_regval >> 16);
// OBSOLETE   parse_and_eval (expression);
// OBSOLETE 
// OBSOLETE   sprintf (expression, "$%s=%d", regnum, new_regval & 0xffff);
// OBSOLETE   parse_and_eval (expression);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE h8500_read_sp (void)
// OBSOLETE {
// OBSOLETE   return read_register (PR7_REGNUM);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE void
// OBSOLETE h8500_write_sp (CORE_ADDR v)
// OBSOLETE {
// OBSOLETE   write_register (PR7_REGNUM, v);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE h8500_read_pc (ptid_t ptid)
// OBSOLETE {
// OBSOLETE   return read_register (PC_REGNUM);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE void
// OBSOLETE h8500_write_pc (CORE_ADDR v, ptid_t ptid)
// OBSOLETE {
// OBSOLETE   write_register (PC_REGNUM, v);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE CORE_ADDR
// OBSOLETE h8500_read_fp (void)
// OBSOLETE {
// OBSOLETE   return read_register (PR6_REGNUM);
// OBSOLETE }
// OBSOLETE 
// OBSOLETE void
// OBSOLETE _initialize_h8500_tdep (void)
// OBSOLETE {
// OBSOLETE   tm_print_insn = print_insn_h8500;
// OBSOLETE 
// OBSOLETE   add_prefix_cmd ("memory", no_class, set_memory,
// OBSOLETE 		  "set the memory model", &setmemorylist, "set memory ", 0,
// OBSOLETE 		  &setlist);
// OBSOLETE 
// OBSOLETE   add_cmd ("small", class_support, small_command,
// OBSOLETE       "Set small memory model. (16 bit code, 16 bit data)", &setmemorylist);
// OBSOLETE 
// OBSOLETE   add_cmd ("big", class_support, big_command,
// OBSOLETE 	"Set big memory model. (32 bit code, 32 bit data)", &setmemorylist);
// OBSOLETE 
// OBSOLETE   add_cmd ("medium", class_support, medium_command,
// OBSOLETE      "Set medium memory model. (32 bit code, 16 bit data)", &setmemorylist);
// OBSOLETE 
// OBSOLETE   add_cmd ("compact", class_support, compact_command,
// OBSOLETE     "Set compact memory model. (16 bit code, 32 bit data)", &setmemorylist);
// OBSOLETE 
// OBSOLETE }