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
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - subx/031check_operands.cc</title>
<meta name="Generator" content="Vim/8.0">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="cpp">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal-light">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.CommentedCode { color: #8a8a8a; }
.PreProc { color: #c000c0; }
.LineNr { }
.Constant { color: #008787; }
.SalientComment { color: #0000af; }
.Delimiter { color: #c000c0; }
.Special { color: #d70000; }
.Identifier { color: #af5f00; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Comment { color: #005faf; }
.traceContains { color: #005f00; }
-->
</style>
<script type='text/javascript'>
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
</script>
</head>
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/master/subx/031check_operands.cc'>https://github.com/akkartik/mu/blob/master/subx/031check_operands.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Since we're tagging operands with their types, let's start checking these</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: operand types for each instruction.</span>
<span id="L3" class="LineNr"> 3 </span>
<span id="L4" class="LineNr"> 4 </span><span class="Delimiter">:(scenario check_missing_imm8_operand)</span>
<span id="L5" class="LineNr"> 5 </span><span class="Special">% Hide_errors = true;</span>
<span id="L6" class="LineNr"> 6 </span>== <span class="Constant">0x1</span>
<span id="L7" class="LineNr"> 7 </span>cd <span class="Comment"># int ??</span>
<span id="L8" class="LineNr"> 8 </span><span class="traceContains">+error: 'cd' (software interrupt): missing imm8 operand</span>
<span id="L9" class="LineNr"> 9 </span>
<span id="L10" class="LineNr"> 10 </span><span class="Delimiter">:(before "Pack Operands(segment code)")</span>
<span id="L11" class="LineNr"> 11 </span>check_operands<span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">);</span>
<span id="L12" class="LineNr"> 12 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L13" class="LineNr"> 13 </span>
<span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(code)</span>
<span id="L15" class="LineNr"> 15 </span><span class="Normal">void</span> check_operands<span class="Delimiter">(</span><span class="Normal">const</span> segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L16" class="LineNr"> 16 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- check operands"</span> << end<span class="Delimiter">();</span>
<span id="L17" class="LineNr"> 17 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L18" class="LineNr"> 18 </span> check_operands<span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L19" class="LineNr"> 19 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// stop at the first mal-formed instruction</span>
<span id="L20" class="LineNr"> 20 </span> <span class="Delimiter">}</span>
<span id="L21" class="LineNr"> 21 </span><span class="Delimiter">}</span>
<span id="L22" class="LineNr"> 22 </span>
<span id="L23" class="LineNr"> 23 </span><span class="Normal">void</span> check_operands<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L24" class="LineNr"> 24 </span> <a href='011run.cc.html#L123'>word</a> op = <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L25" class="LineNr"> 25 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>op<span class="Delimiter">.</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L26" class="LineNr"> 26 </span> check_operands_0f<span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L27" class="LineNr"> 27 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L28" class="LineNr"> 28 </span> <span class="Delimiter">}</span>
<span id="L29" class="LineNr"> 29 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>op<span class="Delimiter">.</span>data == <span class="Constant">"f3"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L30" class="LineNr"> 30 </span> <a href='031check_operands.cc.html#L527'>check_operands_f3</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L31" class="LineNr"> 31 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L32" class="LineNr"> 32 </span> <span class="Delimiter">}</span>
<span id="L33" class="LineNr"> 33 </span> check_operands<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L34" class="LineNr"> 34 </span><span class="Delimiter">}</span>
<span id="L35" class="LineNr"> 35 </span>
<span id="L36" class="LineNr"> 36 </span><a href='011run.cc.html#L123'>word</a> <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L37" class="LineNr"> 37 </span> op<span class="Delimiter">.</span>data = <a href='031check_operands.cc.html#L592'>tolower</a><span class="Delimiter">(</span>op<span class="Delimiter">.</span>data<span class="Delimiter">.</span>c_str<span class="Delimiter">());</span>
<span id="L38" class="LineNr"> 38 </span> <span class="Comment">// opcodes can't be negative</span>
<span id="L39" class="LineNr"> 39 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L102'>starts_with</a><span class="Delimiter">(</span>op<span class="Delimiter">.</span>data<span class="Delimiter">,</span> <span class="Constant">"0x"</span><span class="Delimiter">))</span>
<span id="L40" class="LineNr"> 40 </span> op<span class="Delimiter">.</span>data = op<span class="Delimiter">.</span>data<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
<span id="L41" class="LineNr"> 41 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>op<span class="Delimiter">.</span>data<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span>
<span id="L42" class="LineNr"> 42 </span> op<span class="Delimiter">.</span>data = string<span class="Delimiter">(</span><span class="Constant">"0"</span><span class="Delimiter">)</span>+op<span class="Delimiter">.</span>data<span class="Delimiter">;</span>
<span id="L43" class="LineNr"> 43 </span> <span class="Identifier">return</span> op<span class="Delimiter">;</span>
<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">}</span>
<span id="L45" class="LineNr"> 45 </span>
<span id="L46" class="LineNr"> 46 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L46'>test_preprocess_op</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L47" class="LineNr"> 47 </span> <a href='011run.cc.html#L123'>word</a> w1<span class="Delimiter">;</span> w1<span class="Delimiter">.</span>data = <span class="Constant">"0xf"</span><span class="Delimiter">;</span>
<span id="L48" class="LineNr"> 48 </span> <a href='011run.cc.html#L123'>word</a> w2<span class="Delimiter">;</span> w2<span class="Delimiter">.</span>data = <span class="Constant">"0f"</span><span class="Delimiter">;</span>
<span id="L49" class="LineNr"> 49 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>w1<span class="Delimiter">).</span>data<span class="Delimiter">,</span> <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>w2<span class="Delimiter">).</span>data<span class="Delimiter">);</span>
<span id="L50" class="LineNr"> 50 </span><span class="Delimiter">}</span>
<span id="L51" class="LineNr"> 51 </span>
<span id="L52" class="LineNr"> 52 </span><span class="Comment">//: To check the operands for an opcode, we'll track the permitted operands</span>
<span id="L53" class="LineNr"> 53 </span><span class="Comment">//: for each supported opcode in a bitvector. That way we can often compute the</span>
<span id="L54" class="LineNr"> 54 </span><span class="Comment">//: 'received' operand bitvector for each instruction's operands and compare</span>
<span id="L55" class="LineNr"> 55 </span><span class="Comment">//: it with the 'expected' bitvector.</span>
<span id="L56" class="LineNr"> 56 </span><span class="Comment">//:</span>
<span id="L57" class="LineNr"> 57 </span><span class="Comment">//: The 'expected' and 'received' bitvectors can be different; the MODRM bit</span>
<span id="L58" class="LineNr"> 58 </span><span class="Comment">//: in the 'expected' bitvector maps to multiple 'received' operand types in</span>
<span id="L59" class="LineNr"> 59 </span><span class="Comment">//: an instruction. We deal in expected bitvectors throughout.</span>
<span id="L60" class="LineNr"> 60 </span>
<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">:(before "End Types")</span>
<span id="L62" class="LineNr"> 62 </span><span class="Normal">enum</span> <a href='031check_operands.cc.html#L62'>expected_operand_type</a> <span class="Delimiter">{</span>
<span id="L63" class="LineNr"> 63 </span> <span class="Comment">// start from the least significant bit</span>
<span id="L64" class="LineNr"> 64 </span> <a href='031check_operands.cc.html#L64'>MODRM</a><span class="Delimiter">,</span> <span class="Comment">// more complex, may also involve disp8 or disp32</span>
<span id="L65" class="LineNr"> 65 </span> <a href='031check_operands.cc.html#L65'>SUBOP</a><span class="Delimiter">,</span>
<span id="L66" class="LineNr"> 66 </span> <a href='031check_operands.cc.html#L66'>DISP8</a><span class="Delimiter">,</span>
<span id="L67" class="LineNr"> 67 </span> <a href='031check_operands.cc.html#L67'>DISP16</a><span class="Delimiter">,</span>
<span id="L68" class="LineNr"> 68 </span> <a href='031check_operands.cc.html#L68'>DISP32</a><span class="Delimiter">,</span>
<span id="L69" class="LineNr"> 69 </span> <a href='031check_operands.cc.html#L69'>IMM8</a><span class="Delimiter">,</span>
<span id="L70" class="LineNr"> 70 </span> <a href='031check_operands.cc.html#L70'>IMM32</a><span class="Delimiter">,</span>
<span id="L71" class="LineNr"> 71 </span> <a href='031check_operands.cc.html#L71'>NUM_OPERAND_TYPES</a>
<span id="L72" class="LineNr"> 72 </span><span class="Delimiter">};</span>
<span id="L73" class="LineNr"> 73 </span><span class="Delimiter">:(before "End Globals")</span>
<span id="L74" class="LineNr"> 74 </span>vector<string> <span class="Special"><a href='031check_operands.cc.html#L74'>Operand_type_name</a></span><span class="Delimiter">;</span>
<span id="L75" class="LineNr"> 75 </span>map<string<span class="Delimiter">,</span> expected_operand_type> <span class="Special"><a href='031check_operands.cc.html#L75'>Operand_type</a></span><span class="Delimiter">;</span>
<span id="L76" class="LineNr"> 76 </span><span class="Delimiter">:(before "End One-time Setup")</span>
<span id="L77" class="LineNr"> 77 </span><a href='031check_operands.cc.html#L79'>init_op_types</a><span class="Delimiter">();</span>
<span id="L78" class="LineNr"> 78 </span><span class="Delimiter">:(code)</span>
<span id="L79" class="LineNr"> 79 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L79'>init_op_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L80" class="LineNr"> 80 </span> assert<span class="Delimiter">(</span><a href='031check_operands.cc.html#L71'>NUM_OPERAND_TYPES</a> <= <span class="Comment">/*</span><span class="Comment">bits in a uint8_t</span><span class="Comment">*/</span><span class="Constant">8</span><span class="Delimiter">);</span>
<span id="L81" class="LineNr"> 81 </span> <span class="Special"><a href='031check_operands.cc.html#L74'>Operand_type_name</a></span><span class="Delimiter">.</span>resize<span class="Delimiter">(</span><a href='031check_operands.cc.html#L71'>NUM_OPERAND_TYPES</a><span class="Delimiter">);</span>
<span id="L82" class="LineNr"> 82 </span> <span class="Comment">#define DEF(type) Operand_type_name.at(type) = tolower(#type), put(Operand_type, tolower(#type), type);</span>
<span id="L83" class="LineNr"> 83 </span> DEF<span class="Delimiter">(</span><a href='031check_operands.cc.html#L64'>MODRM</a><span class="Delimiter">);</span>
<span id="L84" class="LineNr"> 84 </span> DEF<span class="Delimiter">(</span><a href='031check_operands.cc.html#L65'>SUBOP</a><span class="Delimiter">);</span>
<span id="L85" class="LineNr"> 85 </span> DEF<span class="Delimiter">(</span><a href='031check_operands.cc.html#L66'>DISP8</a><span class="Delimiter">);</span>
<span id="L86" class="LineNr"> 86 </span> DEF<span class="Delimiter">(</span><a href='031check_operands.cc.html#L67'>DISP16</a><span class="Delimiter">);</span>
<span id="L87" class="LineNr"> 87 </span> DEF<span class="Delimiter">(</span><a href='031check_operands.cc.html#L68'>DISP32</a><span class="Delimiter">);</span>
<span id="L88" class="LineNr"> 88 </span> DEF<span class="Delimiter">(</span><a href='031check_operands.cc.html#L69'>IMM8</a><span class="Delimiter">);</span>
<span id="L89" class="LineNr"> 89 </span> DEF<span class="Delimiter">(</span><a href='031check_operands.cc.html#L70'>IMM32</a><span class="Delimiter">);</span>
<span id="L90" class="LineNr"> 90 </span> <span class="Comment">#undef DEF</span>
<span id="L91" class="LineNr"> 91 </span><span class="Delimiter">}</span>
<span id="L92" class="LineNr"> 92 </span>
<span id="L93" class="LineNr"> 93 </span><span class="Delimiter">:(before "End Globals")</span>
<span id="L94" class="LineNr"> 94 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">bitvector</span><span class="Comment">*/</span><span class="Normal">uint8_t</span>> <span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">;</span>
<span id="L95" class="LineNr"> 95 </span><span class="Normal">const</span> <span class="Normal">uint8_t</span> <a href='031check_operands.cc.html#L95'>INVALID_OPERANDS</a> = <span class="Constant">0xff</span><span class="Delimiter">;</span> <span class="Comment">// no instruction uses all the operand types</span>
<span id="L96" class="LineNr"> 96 </span><span class="Delimiter">:(before "End One-time Setup")</span>
<span id="L97" class="LineNr"> 97 </span><a href='031check_operands.cc.html#L99'>init_permitted_operands</a><span class="Delimiter">();</span>
<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">:(code)</span>
<span id="L99" class="LineNr"> 99 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L99'>init_permitted_operands</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L100" class="LineNr">100 </span> <span class="SalientComment">//// Class A: just op, no operands</span>
<span id="L101" class="LineNr">101 </span> <span class="Comment">// halt</span>
<span id="L102" class="LineNr">102 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"f4"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L103" class="LineNr">103 </span> <span class="Comment">// inc</span>
<span id="L104" class="LineNr">104 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"40"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L105" class="LineNr">105 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"41"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L106" class="LineNr">106 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"42"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L107" class="LineNr">107 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"43"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L108" class="LineNr">108 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"44"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L109" class="LineNr">109 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"45"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L110" class="LineNr">110 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"46"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L111" class="LineNr">111 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"47"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L112" class="LineNr">112 </span> <span class="Comment">// dec</span>
<span id="L113" class="LineNr">113 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"48"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L114" class="LineNr">114 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"49"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L115" class="LineNr">115 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"4a"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L116" class="LineNr">116 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"4b"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L117" class="LineNr">117 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"4c"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L118" class="LineNr">118 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"4d"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L119" class="LineNr">119 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"4e"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L120" class="LineNr">120 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"4f"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L121" class="LineNr">121 </span> <span class="Comment">// push</span>
<span id="L122" class="LineNr">122 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"50"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L123" class="LineNr">123 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"51"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L124" class="LineNr">124 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"52"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L125" class="LineNr">125 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"53"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L126" class="LineNr">126 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"54"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L127" class="LineNr">127 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"55"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L128" class="LineNr">128 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"56"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L129" class="LineNr">129 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"57"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L130" class="LineNr">130 </span> <span class="Comment">// pop</span>
<span id="L131" class="LineNr">131 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"58"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L132" class="LineNr">132 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"59"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L133" class="LineNr">133 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"5a"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L134" class="LineNr">134 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"5b"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L135" class="LineNr">135 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"5c"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L136" class="LineNr">136 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"5d"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L137" class="LineNr">137 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"5e"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L138" class="LineNr">138 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"5f"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L139" class="LineNr">139 </span> <span class="Comment">// return</span>
<span id="L140" class="LineNr">140 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"c3"</span><span class="Delimiter">,</span> <span class="Constant">0x00</span><span class="Delimiter">);</span>
<span id="L141" class="LineNr">141 </span>
<span id="L142" class="LineNr">142 </span> <span class="SalientComment">//// Class B: just op and disp8</span>
<span id="L143" class="LineNr">143 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L144" class="LineNr">144 </span> <span class="Comment">// 0 0 0 |0 1 0 0</span>
<span id="L145" class="LineNr">145 </span>
<span id="L146" class="LineNr">146 </span> <span class="Comment">// jump</span>
<span id="L147" class="LineNr">147 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"eb"</span><span class="Delimiter">,</span> <span class="Constant">0x04</span><span class="Delimiter">);</span>
<span id="L148" class="LineNr">148 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"74"</span><span class="Delimiter">,</span> <span class="Constant">0x04</span><span class="Delimiter">);</span>
<span id="L149" class="LineNr">149 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"75"</span><span class="Delimiter">,</span> <span class="Constant">0x04</span><span class="Delimiter">);</span>
<span id="L150" class="LineNr">150 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"7c"</span><span class="Delimiter">,</span> <span class="Constant">0x04</span><span class="Delimiter">);</span>
<span id="L151" class="LineNr">151 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"7d"</span><span class="Delimiter">,</span> <span class="Constant">0x04</span><span class="Delimiter">);</span>
<span id="L152" class="LineNr">152 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"7e"</span><span class="Delimiter">,</span> <span class="Constant">0x04</span><span class="Delimiter">);</span>
<span id="L153" class="LineNr">153 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"7f"</span><span class="Delimiter">,</span> <span class="Constant">0x04</span><span class="Delimiter">);</span>
<span id="L154" class="LineNr">154 </span>
<span id="L155" class="LineNr">155 </span> <span class="SalientComment">//// Class D: just op and disp32</span>
<span id="L156" class="LineNr">156 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L157" class="LineNr">157 </span> <span class="Comment">// 0 0 1 |0 0 0 0</span>
<span id="L158" class="LineNr">158 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"e8"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span> <span class="Comment">// call</span>
<span id="L159" class="LineNr">159 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"e9"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span> <span class="Comment">// jump</span>
<span id="L160" class="LineNr">160 </span>
<span id="L161" class="LineNr">161 </span> <span class="SalientComment">//// Class E: just op and imm8</span>
<span id="L162" class="LineNr">162 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L163" class="LineNr">163 </span> <span class="Comment">// 0 1 0 |0 0 0 0</span>
<span id="L164" class="LineNr">164 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"cd"</span><span class="Delimiter">,</span> <span class="Constant">0x20</span><span class="Delimiter">);</span> <span class="Comment">// software interrupt</span>
<span id="L165" class="LineNr">165 </span>
<span id="L166" class="LineNr">166 </span> <span class="SalientComment">//// Class F: just op and imm32</span>
<span id="L167" class="LineNr">167 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L168" class="LineNr">168 </span> <span class="Comment">// 1 0 0 |0 0 0 0</span>
<span id="L169" class="LineNr">169 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"05"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span> <span class="Comment">// add</span>
<span id="L170" class="LineNr">170 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"2d"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span> <span class="Comment">// subtract</span>
<span id="L171" class="LineNr">171 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"25"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span> <span class="Comment">// and</span>
<span id="L172" class="LineNr">172 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"0d"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span> <span class="Comment">// or</span>
<span id="L173" class="LineNr">173 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"35"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span> <span class="Comment">// xor</span>
<span id="L174" class="LineNr">174 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"3d"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span> <span class="Comment">// compare</span>
<span id="L175" class="LineNr">175 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"68"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span> <span class="Comment">// push</span>
<span id="L176" class="LineNr">176 </span> <span class="Comment">// copy</span>
<span id="L177" class="LineNr">177 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"b8"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L178" class="LineNr">178 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"b9"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L179" class="LineNr">179 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"ba"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L180" class="LineNr">180 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"bb"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L181" class="LineNr">181 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"bc"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L182" class="LineNr">182 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"bd"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L183" class="LineNr">183 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"be"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L184" class="LineNr">184 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"bf"</span><span class="Delimiter">,</span> <span class="Constant">0x40</span><span class="Delimiter">);</span>
<span id="L185" class="LineNr">185 </span>
<span id="L186" class="LineNr">186 </span> <span class="SalientComment">//// Class M: using ModR/M byte</span>
<span id="L187" class="LineNr">187 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L188" class="LineNr">188 </span> <span class="Comment">// 0 0 0 |0 0 0 1</span>
<span id="L189" class="LineNr">189 </span>
<span id="L190" class="LineNr">190 </span> <span class="Comment">// add</span>
<span id="L191" class="LineNr">191 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"01"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L192" class="LineNr">192 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"03"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L193" class="LineNr">193 </span> <span class="Comment">// subtract</span>
<span id="L194" class="LineNr">194 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"29"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L195" class="LineNr">195 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"2b"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L196" class="LineNr">196 </span> <span class="Comment">// and</span>
<span id="L197" class="LineNr">197 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"21"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L198" class="LineNr">198 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"23"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L199" class="LineNr">199 </span> <span class="Comment">// or</span>
<span id="L200" class="LineNr">200 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"09"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L201" class="LineNr">201 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"0b"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L202" class="LineNr">202 </span> <span class="Comment">// xor</span>
<span id="L203" class="LineNr">203 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"31"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L204" class="LineNr">204 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"33"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L205" class="LineNr">205 </span> <span class="Comment">// compare</span>
<span id="L206" class="LineNr">206 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"39"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L207" class="LineNr">207 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"3b"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L208" class="LineNr">208 </span> <span class="Comment">// copy</span>
<span id="L209" class="LineNr">209 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"88"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L210" class="LineNr">210 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"89"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L211" class="LineNr">211 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"8a"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L212" class="LineNr">212 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"8b"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L213" class="LineNr">213 </span> <span class="Comment">// swap</span>
<span id="L214" class="LineNr">214 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"87"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L215" class="LineNr">215 </span> <span class="Comment">// copy address (lea)</span>
<span id="L216" class="LineNr">216 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"8d"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L217" class="LineNr">217 </span> <span class="Comment">// pop</span>
<span id="L218" class="LineNr">218 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"8f"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L219" class="LineNr">219 </span>
<span id="L220" class="LineNr">220 </span> <span class="SalientComment">//// Class N: op, ModR/M and subop (not r32)</span>
<span id="L221" class="LineNr">221 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L222" class="LineNr">222 </span> <span class="Comment">// 0 0 0 |0 0 1 1</span>
<span id="L223" class="LineNr">223 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"d3"</span><span class="Delimiter">,</span> <span class="Constant">0x03</span><span class="Delimiter">);</span> <span class="Comment">// shift</span>
<span id="L224" class="LineNr">224 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"f7"</span><span class="Delimiter">,</span> <span class="Constant">0x03</span><span class="Delimiter">);</span> <span class="Comment">// test/not/mul/div</span>
<span id="L225" class="LineNr">225 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"ff"</span><span class="Delimiter">,</span> <span class="Constant">0x03</span><span class="Delimiter">);</span> <span class="Comment">// jump/push/call</span>
<span id="L226" class="LineNr">226 </span>
<span id="L227" class="LineNr">227 </span> <span class="SalientComment">//// Class O: op, ModR/M, subop (not r32) and imm8</span>
<span id="L228" class="LineNr">228 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L229" class="LineNr">229 </span> <span class="Comment">// 0 1 0 |0 0 1 1</span>
<span id="L230" class="LineNr">230 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"c1"</span><span class="Delimiter">,</span> <span class="Constant">0x23</span><span class="Delimiter">);</span> <span class="Comment">// combine</span>
<span id="L231" class="LineNr">231 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"c6"</span><span class="Delimiter">,</span> <span class="Constant">0x23</span><span class="Delimiter">);</span> <span class="Comment">// copy</span>
<span id="L232" class="LineNr">232 </span>
<span id="L233" class="LineNr">233 </span> <span class="SalientComment">//// Class P: op, ModR/M, subop (not r32) and imm32</span>
<span id="L234" class="LineNr">234 </span> <span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L235" class="LineNr">235 </span> <span class="Comment">// 1 0 0 |0 0 1 1</span>
<span id="L236" class="LineNr">236 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"81"</span><span class="Delimiter">,</span> <span class="Constant">0x43</span><span class="Delimiter">);</span> <span class="Comment">// combine</span>
<span id="L237" class="LineNr">237 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> <span class="Constant">"c7"</span><span class="Delimiter">,</span> <span class="Constant">0x43</span><span class="Delimiter">);</span> <span class="Comment">// copy</span>
<span id="L238" class="LineNr">238 </span>
<span id="L239" class="LineNr">239 </span> <span class="Comment">// End Init Permitted Operands</span>
<span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
<span id="L241" class="LineNr">241 </span>
<span id="L242" class="LineNr">242 </span><span class="Delimiter">:(code)</span>
<span id="L243" class="LineNr">243 </span><span class="Comment">#define HAS(bitvector, bit) ((bitvector) & (1 << (bit)))</span>
<span id="L244" class="LineNr">244 </span><span class="Comment">#define SET(bitvector, bit) ((bitvector) | (1 << (bit)))</span>
<span id="L245" class="LineNr">245 </span><span class="Comment">#define CLEAR(bitvector, bit) ((bitvector) & (~(1 << (bit))))</span>
<span id="L246" class="LineNr">246 </span>
<span id="L247" class="LineNr">247 </span><span class="Normal">void</span> check_operands<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L248" class="LineNr">248 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_hex_byte<span class="Delimiter">(</span>op<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L249" class="LineNr">249 </span> <span class="Normal">uint8_t</span> expected_bitvector = get<span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L94'>Permitted_operands</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">);</span>
<span id="L250" class="LineNr">250 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>HAS<span class="Delimiter">(</span>expected_bitvector<span class="Delimiter">,</span> <a href='031check_operands.cc.html#L64'>MODRM</a><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L251" class="LineNr">251 </span> <a href='031check_operands.cc.html#L354'>check_operands_modrm</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L252" class="LineNr">252 </span> <a href='031check_operands.cc.html#L380'>compare_bitvector_modrm</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> expected_bitvector<span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L253" class="LineNr">253 </span> <span class="Delimiter">}</span>
<span id="L254" class="LineNr">254 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L255" class="LineNr">255 </span> <a href='031check_operands.cc.html#L261'>compare_bitvector</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> expected_bitvector<span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L256" class="LineNr">256 </span> <span class="Delimiter">}</span>
<span id="L257" class="LineNr">257 </span><span class="Delimiter">}</span>
<span id="L258" class="LineNr">258 </span>
<span id="L259" class="LineNr">259 </span><span class="Comment">//: Many instructions can be checked just by comparing bitvectors.</span>
<span id="L260" class="LineNr">260 </span>
<span id="L261" class="LineNr">261 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L261'>compare_bitvector</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">uint8_t</span> expected<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L262" class="LineNr">262 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L379'>all_hex_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> && <a href='031check_operands.cc.html#L297'>has_operands</a><span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// deliberately programming in raw hex; we'll raise a warning elsewhere</span>
<span id="L263" class="LineNr">263 </span> <span class="Normal">uint8_t</span> bitvector = <a href='031check_operands.cc.html#L287'>compute_expected_operand_bitvector</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L264" class="LineNr">264 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// duplicate operand type</span>
<span id="L265" class="LineNr">265 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>bitvector == expected<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// all good with this instruction</span>
<span id="L266" class="LineNr">266 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='031check_operands.cc.html#L71'>NUM_OPERAND_TYPES</a><span class="Delimiter">;</span> ++i<span class="Delimiter">,</span> bitvector >>= <span class="Constant">1</span><span class="Delimiter">,</span> expected >>= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L267" class="LineNr">267 </span><span class="CommentedCode">//? cerr << "comparing " << HEXBYTE << NUM(bitvector) << " with " << NUM(expected) << '\n';</span>
<span id="L268" class="LineNr">268 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>bitvector & <span class="Constant">0x1</span><span class="Delimiter">)</span> == <span class="Delimiter">(</span>expected & <span class="Constant">0x1</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// all good with this operand</span>
<span id="L269" class="LineNr">269 </span> <span class="Normal">const</span> string& optype = <span class="Special"><a href='031check_operands.cc.html#L74'>Operand_type_name</a></span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L270" class="LineNr">270 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>bitvector & <span class="Constant">0x1</span><span class="Delimiter">)</span> > <span class="Delimiter">(</span>expected & <span class="Constant">0x1</span><span class="Delimiter">))</span>
<span id="L271" class="LineNr">271 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L279'>maybe_name</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": unexpected "</span> << optype << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L272" class="LineNr">272 </span> <span class="Normal">else</span>
<span id="L273" class="LineNr">273 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L279'>maybe_name</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": missing "</span> << optype << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L274" class="LineNr">274 </span> <span class="Comment">// continue giving all errors for a single instruction</span>
<span id="L275" class="LineNr">275 </span> <span class="Delimiter">}</span>
<span id="L276" class="LineNr">276 </span> <span class="Comment">// ignore settings in any unused bits</span>
<span id="L277" class="LineNr">277 </span><span class="Delimiter">}</span>
<span id="L278" class="LineNr">278 </span>
<span id="L279" class="LineNr">279 </span>string <a href='031check_operands.cc.html#L279'>maybe_name</a><span class="Delimiter">(</span><span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L280" class="LineNr">280 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_hex_byte<span class="Delimiter">(</span>op<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span>
<span id="L281" class="LineNr">281 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L378'>Name</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span>
<span id="L282" class="LineNr">282 </span> <span class="Comment">// strip stuff in parens from the name</span>
<span id="L283" class="LineNr">283 </span> <span class="Normal">const</span> string& s = get<span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L378'>Name</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">);</span>
<span id="L284" class="LineNr">284 </span> <span class="Identifier">return</span> <span class="Constant">" ("</span>+s<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> s<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">" ("</span><span class="Delimiter">))</span>+<span class="Constant">')'</span><span class="Delimiter">;</span>
<span id="L285" class="LineNr">285 </span><span class="Delimiter">}</span>
<span id="L286" class="LineNr">286 </span>
<span id="L287" class="LineNr">287 </span><span class="Normal">uint32_t</span> <a href='031check_operands.cc.html#L287'>compute_expected_operand_bitvector</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L288" class="LineNr">288 </span> set<string> operands_found<span class="Delimiter">;</span>
<span id="L289" class="LineNr">289 </span> <span class="Normal">uint32_t</span> bitvector = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L290" class="LineNr">290 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip op</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L291" class="LineNr">291 </span> bitvector = bitvector | <a href='031check_operands.cc.html#L314'>expected_bit_for_received_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> operands_found<span class="Delimiter">,</span> inst<span class="Delimiter">);</span>
<span id="L292" class="LineNr">292 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span> <a href='031check_operands.cc.html#L95'>INVALID_OPERANDS</a><span class="Delimiter">;</span> <span class="Comment">// duplicate operand type</span>
<span id="L293" class="LineNr">293 </span> <span class="Delimiter">}</span>
<span id="L294" class="LineNr">294 </span> <span class="Identifier">return</span> bitvector<span class="Delimiter">;</span>
<span id="L295" class="LineNr">295 </span><span class="Delimiter">}</span>
<span id="L296" class="LineNr">296 </span>
<span id="L297" class="LineNr">297 </span><span class="Normal">bool</span> <a href='031check_operands.cc.html#L297'>has_operands</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L298" class="LineNr">298 </span> <span class="Identifier">return</span> <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">)</span> > <a href='031check_operands.cc.html#L301'>first_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L299" class="LineNr">299 </span><span class="Delimiter">}</span>
<span id="L300" class="LineNr">300 </span>
<span id="L301" class="LineNr">301 </span><span class="Normal">int</span> <a href='031check_operands.cc.html#L301'>first_operand</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L302" class="LineNr">302 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">2</span><span class="Delimiter">;</span>
<span id="L303" class="LineNr">303 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> || inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L304" class="LineNr">304 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span>
<span id="L305" class="LineNr">305 </span> <span class="Identifier">return</span> <span class="Constant">3</span><span class="Delimiter">;</span>
<span id="L306" class="LineNr">306 </span> <span class="Normal">else</span>
<span id="L307" class="LineNr">307 </span> <span class="Identifier">return</span> <span class="Constant">2</span><span class="Delimiter">;</span>
<span id="L308" class="LineNr">308 </span> <span class="Delimiter">}</span>
<span id="L309" class="LineNr">309 </span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L310" class="LineNr">310 </span><span class="Delimiter">}</span>
<span id="L311" class="LineNr">311 </span>
<span id="L312" class="LineNr">312 </span><span class="Comment">// Scan the metadata of 'w' and return the expected bit corresponding to any operand type.</span>
<span id="L313" class="LineNr">313 </span><span class="Comment">// Also raise an error if metadata contains multiple operand types.</span>
<span id="L314" class="LineNr">314 </span><span class="Normal">uint32_t</span> <a href='031check_operands.cc.html#L314'>expected_bit_for_received_operand</a><span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">,</span> set<string>& instruction_operands<span class="Delimiter">,</span> <span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L315" class="LineNr">315 </span> <span class="Normal">uint32_t</span> bv = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L316" class="LineNr">316 </span> <span class="Normal">bool</span> found =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L317" class="LineNr">317 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L318" class="LineNr">318 </span> string<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> curr = w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L319" class="LineNr">319 </span> string expected_metadata = curr<span class="Delimiter">;</span>
<span id="L320" class="LineNr">320 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr == <span class="Constant">"mod"</span> || curr == <span class="Constant">"rm32"</span> || curr == <span class="Constant">"r32"</span> || curr == <span class="Constant">"scale"</span> || curr == <span class="Constant">"index"</span> || curr == <span class="Constant">"base"</span><span class="Delimiter">)</span>
<span id="L321" class="LineNr">321 </span> expected_metadata = <span class="Constant">"modrm"</span><span class="Delimiter">;</span>
<span id="L322" class="LineNr">322 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L75'>Operand_type</a></span><span class="Delimiter">,</span> curr<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// ignore unrecognized metadata</span>
<span id="L323" class="LineNr">323 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>found<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L324" class="LineNr">324 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << w<span class="Delimiter">.</span>original << <span class="Constant">"' has conflicting operand types; it should have only one\n"</span> << end<span class="Delimiter">();</span>
<span id="L325" class="LineNr">325 </span> <span class="Identifier">return</span> <a href='031check_operands.cc.html#L95'>INVALID_OPERANDS</a><span class="Delimiter">;</span>
<span id="L326" class="LineNr">326 </span> <span class="Delimiter">}</span>
<span id="L327" class="LineNr">327 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>instruction_operands<span class="Delimiter">.</span>find<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> != instruction_operands<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L328" class="LineNr">328 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': duplicate "</span> << curr << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L329" class="LineNr">329 </span> <span class="Identifier">return</span> <a href='031check_operands.cc.html#L95'>INVALID_OPERANDS</a><span class="Delimiter">;</span>
<span id="L330" class="LineNr">330 </span> <span class="Delimiter">}</span>
<span id="L331" class="LineNr">331 </span> instruction_operands<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
<span id="L332" class="LineNr">332 </span> bv = <span class="Delimiter">(</span><span class="Constant">1</span> << get<span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L75'>Operand_type</a></span><span class="Delimiter">,</span> expected_metadata<span class="Delimiter">));</span>
<span id="L333" class="LineNr">333 </span> found =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L334" class="LineNr">334 </span> <span class="Delimiter">}</span>
<span id="L335" class="LineNr">335 </span> <span class="Identifier">return</span> bv<span class="Delimiter">;</span>
<span id="L336" class="LineNr">336 </span><span class="Delimiter">}</span>
<span id="L337" class="LineNr">337 </span>
<span id="L338" class="LineNr">338 </span><span class="Delimiter">:(scenario conflicting_operand_type)</span>
<span id="L339" class="LineNr">339 </span><span class="Special">% Hide_errors = true;</span>
<span id="L340" class="LineNr">340 </span>== <span class="Constant">0x1</span>
<span id="L341" class="LineNr">341 </span>cd/software-interrupt <span class="Constant">80</span>/imm8/imm32
<span id="L342" class="LineNr">342 </span><span class="traceContains">+error: '80/imm8/imm32' has conflicting operand types; it should have only one</span>
<span id="L343" class="LineNr">343 </span>
<span id="L344" class="LineNr">344 </span><span class="Comment">//: Instructions computing effective addresses have more complex rules, so</span>
<span id="L345" class="LineNr">345 </span><span class="Comment">//: we'll hard-code a common set of instruction-decoding rules.</span>
<span id="L346" class="LineNr">346 </span>
<span id="L347" class="LineNr">347 </span><span class="Delimiter">:(scenario check_missing_mod_operand)</span>
<span id="L348" class="LineNr">348 </span><span class="Special">% Hide_errors = true;</span>
<span id="L349" class="LineNr">349 </span>== <span class="Constant">0x1</span>
<span id="L350" class="LineNr">350 </span><span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">3</span>/rm32/ebx <span class="Constant">1</span>/imm32
<span id="L351" class="LineNr">351 </span><span class="traceContains">+error: '81 0/add/subop 3/rm32/ebx 1/imm32' (combine rm32 with <a href='037heap.cc.html#L23'>imm32</a> based on subop): missing mod operand</span>
<span id="L352" class="LineNr">352 </span>
<span id="L353" class="LineNr">353 </span><span class="Delimiter">:(code)</span>
<span id="L354" class="LineNr">354 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L354'>check_operands_modrm</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L355" class="LineNr">355 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L379'>all_hex_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// deliberately programming in raw hex; we'll raise a warning elsewhere</span>
<span id="L356" class="LineNr">356 </span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L357" class="LineNr">357 </span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L358" class="LineNr">358 </span> <span class="Comment">// no check for r32; some instructions don't use it; just assume it's 0 if missing</span>
<span id="L359" class="LineNr">359 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>op<span class="Delimiter">.</span>data == <span class="Constant">"81"</span> || op<span class="Delimiter">.</span>data == <span class="Constant">"8f"</span> || op<span class="Delimiter">.</span>data == <span class="Constant">"ff"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Comment">// keep sync'd with 'help subop'</span>
<span id="L360" class="LineNr">360 </span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"subop"</span><span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L361" class="LineNr">361 </span> <a href='031check_operands.cc.html#L419'>check_operand_metadata_absent</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"r32"</span><span class="Delimiter">,</span> op<span class="Delimiter">,</span> <span class="Constant">"should be replaced by subop"</span><span class="Delimiter">);</span>
<span id="L362" class="LineNr">362 </span> <span class="Delimiter">}</span>
<span id="L363" class="LineNr">363 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L364" class="LineNr">364 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">).</span>data != <span class="Constant">"4"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L365" class="LineNr">365 </span> <span class="Comment">// SIB byte checks</span>
<span id="L366" class="LineNr">366 </span> <span class="Normal">uint8_t</span> mod = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">).</span>data<span class="Delimiter">);</span>
<span id="L367" class="LineNr">367 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>mod != <span class="Comment">/*</span><span class="Comment">direct</span><span class="Comment">*/</span><span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L368" class="LineNr">368 </span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"base"</span><span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L369" class="LineNr">369 </span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"index"</span><span class="Delimiter">,</span> op<span class="Delimiter">);</span> <span class="Comment">// otherwise why go to SIB?</span>
<span id="L370" class="LineNr">370 </span> <span class="Delimiter">}</span>
<span id="L371" class="LineNr">371 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L372" class="LineNr">372 </span> <a href='031check_operands.cc.html#L419'>check_operand_metadata_absent</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"base"</span><span class="Delimiter">,</span> op<span class="Delimiter">,</span> <span class="Constant">"direct mode"</span><span class="Delimiter">);</span>
<span id="L373" class="LineNr">373 </span> <a href='031check_operands.cc.html#L419'>check_operand_metadata_absent</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"index"</span><span class="Delimiter">,</span> op<span class="Delimiter">,</span> <span class="Constant">"direct mode"</span><span class="Delimiter">);</span>
<span id="L374" class="LineNr">374 </span> <span class="Delimiter">}</span>
<span id="L375" class="LineNr">375 </span> <span class="Comment">// no check for scale; 0 (2**0 = 1) by default</span>
<span id="L376" class="LineNr">376 </span><span class="Delimiter">}</span>
<span id="L377" class="LineNr">377 </span>
<span id="L378" class="LineNr">378 </span><span class="Comment">// same as compare_bitvector, with one additional exception for modrm-based</span>
<span id="L379" class="LineNr">379 </span><span class="Comment">// instructions: they may use an extra displacement on occasion</span>
<span id="L380" class="LineNr">380 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L380'>compare_bitvector_modrm</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">uint8_t</span> expected<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L381" class="LineNr">381 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L379'>all_hex_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> && <a href='031check_operands.cc.html#L297'>has_operands</a><span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// deliberately programming in raw hex; we'll raise a warning elsewhere</span>
<span id="L382" class="LineNr">382 </span> <span class="Normal">uint8_t</span> bitvector = <a href='031check_operands.cc.html#L287'>compute_expected_operand_bitvector</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L383" class="LineNr">383 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// duplicate operand type</span>
<span id="L384" class="LineNr">384 </span> <span class="Comment">// update 'expected' bitvector for the additional exception</span>
<span id="L385" class="LineNr">385 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L386" class="LineNr">386 </span> <span class="Normal">int32_t</span> mod = <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">).</span>data<span class="Delimiter">);</span>
<span id="L387" class="LineNr">387 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>mod<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L388" class="LineNr">388 </span> <span class="Normal">case</span> <span class="Constant">0</span>:
<span id="L389" class="LineNr">389 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">)</span> && <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">).</span>data<span class="Delimiter">)</span> == <span class="Constant">5</span><span class="Delimiter">)</span>
<span id="L390" class="LineNr">390 </span> expected |= <span class="Delimiter">(</span><span class="Constant">1</span><<DISP32<span class="Delimiter">);</span>
<span id="L391" class="LineNr">391 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L392" class="LineNr">392 </span> <span class="Normal">case</span> <span class="Constant">1</span>:
<span id="L393" class="LineNr">393 </span> expected |= <span class="Delimiter">(</span><span class="Constant">1</span><<DISP8<span class="Delimiter">);</span>
<span id="L394" class="LineNr">394 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L395" class="LineNr">395 </span> <span class="Normal">case</span> <span class="Constant">2</span>:
<span id="L396" class="LineNr">396 </span> expected |= <span class="Delimiter">(</span><span class="Constant">1</span><<DISP32<span class="Delimiter">);</span>
<span id="L397" class="LineNr">397 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L398" class="LineNr">398 </span> <span class="Delimiter">}</span>
<span id="L399" class="LineNr">399 </span> <span class="Delimiter">}</span>
<span id="L400" class="LineNr">400 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>bitvector == expected<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// all good with this instruction</span>
<span id="L401" class="LineNr">401 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='031check_operands.cc.html#L71'>NUM_OPERAND_TYPES</a><span class="Delimiter">;</span> ++i<span class="Delimiter">,</span> bitvector >>= <span class="Constant">1</span><span class="Delimiter">,</span> expected >>= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L402" class="LineNr">402 </span><span class="CommentedCode">//? cerr << "comparing for modrm " << HEXBYTE << NUM(bitvector) << " with " << NUM(expected) << '\n';</span>
<span id="L403" class="LineNr">403 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>bitvector & <span class="Constant">0x1</span><span class="Delimiter">)</span> == <span class="Delimiter">(</span>expected & <span class="Constant">0x1</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// all good with this operand</span>
<span id="L404" class="LineNr">404 </span> <span class="Normal">const</span> string& optype = <span class="Special"><a href='031check_operands.cc.html#L74'>Operand_type_name</a></span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L405" class="LineNr">405 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>bitvector & <span class="Constant">0x1</span><span class="Delimiter">)</span> > <span class="Delimiter">(</span>expected & <span class="Constant">0x1</span><span class="Delimiter">))</span>
<span id="L406" class="LineNr">406 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L279'>maybe_name</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": unexpected "</span> << optype << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L407" class="LineNr">407 </span> <span class="Normal">else</span>
<span id="L408" class="LineNr">408 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L279'>maybe_name</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": missing "</span> << optype << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L409" class="LineNr">409 </span> <span class="Comment">// continue giving all errors for a single instruction</span>
<span id="L410" class="LineNr">410 </span> <span class="Delimiter">}</span>
<span id="L411" class="LineNr">411 </span> <span class="Comment">// ignore settings in any unused bits</span>
<span id="L412" class="LineNr">412 </span><span class="Delimiter">}</span>
<span id="L413" class="LineNr">413 </span>
<span id="L414" class="LineNr">414 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& type<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L415" class="LineNr">415 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> type<span class="Delimiter">))</span>
<span id="L416" class="LineNr">416 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L279'>maybe_name</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": missing "</span> << type << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L417" class="LineNr">417 </span><span class="Delimiter">}</span>
<span id="L418" class="LineNr">418 </span>
<span id="L419" class="LineNr">419 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L419'>check_operand_metadata_absent</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& type<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">,</span> <span class="Normal">const</span> string& msg<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L420" class="LineNr">420 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> type<span class="Delimiter">))</span>
<span id="L421" class="LineNr">421 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L279'>maybe_name</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": unexpected "</span> << type << <span class="Constant">" operand ("</span> << msg << <span class="Constant">")\n"</span> << end<span class="Delimiter">();</span>
<span id="L422" class="LineNr">422 </span><span class="Delimiter">}</span>
<span id="L423" class="LineNr">423 </span>
<span id="L424" class="LineNr">424 </span><span class="Delimiter">:(scenarios transform)</span>
<span id="L425" class="LineNr">425 </span><span class="Delimiter">:(scenario modrm_with_displacement)</span>
<span id="L426" class="LineNr">426 </span><span class="Special">% Reg[EAX].u = 0x1;</span>
<span id="L427" class="LineNr">427 </span>== <span class="Constant">0x1</span>
<span id="L428" class="LineNr">428 </span><span class="Comment"># just avoid null pointer</span>
<span id="L429" class="LineNr">429 </span>8b/copy <span class="Constant">1</span>/mod/lookup+disp8 <span class="Constant">0</span>/rm32/EAX <span class="Constant">2</span>/r32/EDX <span class="Constant">4</span>/disp8 <span class="Comment"># copy *(EAX+4) to EDX</span>
<span id="L430" class="LineNr">430 </span>$error: <span class="Constant">0</span>
<span id="L431" class="LineNr">431 </span>
<span id="L432" class="LineNr">432 </span><span class="Delimiter">:(scenario check_missing_disp8)</span>
<span id="L433" class="LineNr">433 </span><span class="Special">% Hide_errors = true;</span>
<span id="L434" class="LineNr">434 </span>== <span class="Constant">0x1</span>
<span id="L435" class="LineNr">435 </span><span class="Constant">89</span>/copy <span class="Constant">1</span>/mod/lookup+disp8 <span class="Constant">0</span>/rm32/EAX <span class="Constant">1</span>/r32/ECX <span class="Comment"># missing disp8</span>
<span id="L436" class="LineNr">436 </span><span class="traceContains">+error: '89/copy 1/mod/lookup+disp8 0/rm32/EAX 1/r32/ECX' (copy r32 to rm32): missing disp8 operand</span>
<span id="L437" class="LineNr">437 </span>
<span id="L438" class="LineNr">438 </span><span class="Delimiter">:(scenario check_missing_disp32)</span>
<span id="L439" class="LineNr">439 </span><span class="Special">% Hide_errors = true;</span>
<span id="L440" class="LineNr">440 </span>== <span class="Constant">0x1</span>
<span id="L441" class="LineNr">441 </span>8b/copy <span class="Constant">0</span>/mod/indirect <span class="Constant">5</span>/rm32/<span class="Delimiter">.</span>disp32 <span class="Constant">2</span>/r32/EDX <span class="Comment"># missing disp32</span>
<span id="L442" class="LineNr">442 </span><span class="traceContains">+error: '8b/copy 0/mod/indirect 5/rm32/.disp32 2/r32/EDX' (copy rm32 to r32): missing disp32 operand</span>
<span id="L443" class="LineNr">443 </span><span class="Delimiter">:(scenarios run)</span>
<span id="L444" class="LineNr">444 </span>
<span id="L445" class="LineNr">445 </span><span class="Delimiter">:(scenario conflicting_operands_in_modrm_instruction)</span>
<span id="L446" class="LineNr">446 </span><span class="Special">% Hide_errors = true;</span>
<span id="L447" class="LineNr">447 </span>== <span class="Constant">0x1</span>
<span id="L448" class="LineNr">448 </span><span class="PreProc">0</span><span class="Constant">1</span>/add <span class="Constant">0</span>/mod <span class="Constant">3</span>/mod
<span id="L449" class="LineNr">449 </span><span class="traceContains">+error: '01/add 0/mod 3/mod' has conflicting mod operands</span>
<span id="L450" class="LineNr">450 </span>
<span id="L451" class="LineNr">451 </span><span class="Delimiter">:(scenario conflicting_operand_type_modrm)</span>
<span id="L452" class="LineNr">452 </span><span class="Special">% Hide_errors = true;</span>
<span id="L453" class="LineNr">453 </span>== <span class="Constant">0x1</span>
<span id="L454" class="LineNr">454 </span><span class="PreProc">0</span><span class="Constant">1</span>/add <span class="Constant">0</span>/mod <span class="Constant">3</span>/rm32/r32
<span id="L455" class="LineNr">455 </span><span class="traceContains">+error: '3/rm32/r32' has conflicting operand types; it should have only one</span>
<span id="L456" class="LineNr">456 </span>
<span id="L457" class="LineNr">457 </span><span class="Delimiter">:(scenario check_missing_rm32_operand)</span>
<span id="L458" class="LineNr">458 </span><span class="Special">% Hide_errors = true;</span>
<span id="L459" class="LineNr">459 </span>== <span class="Constant">0x1</span>
<span id="L460" class="LineNr">460 </span><span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">0</span>/mod <span class="Constant">1</span>/imm32
<span id="L461" class="LineNr">461 </span><span class="traceContains">+error: '81 0/add/subop 0/mod 1/imm32' (combine rm32 with <a href='037heap.cc.html#L23'>imm32</a> based on subop): missing rm32 operand</span>
<span id="L462" class="LineNr">462 </span>
<span id="L463" class="LineNr">463 </span><span class="Delimiter">:(scenario check_missing_subop_operand)</span>
<span id="L464" class="LineNr">464 </span><span class="Special">% Hide_errors = true;</span>
<span id="L465" class="LineNr">465 </span>== <span class="Constant">0x1</span>
<span id="L466" class="LineNr">466 </span><span class="Constant">81</span> <span class="Constant">0</span>/mod <span class="Constant">3</span>/rm32/ebx <span class="Constant">1</span>/imm32
<span id="L467" class="LineNr">467 </span><span class="traceContains">+error: '81 0/mod 3/rm32/ebx 1/imm32' (combine rm32 with <a href='037heap.cc.html#L23'>imm32</a> based on subop): missing subop operand</span>
<span id="L468" class="LineNr">468 </span>
<span id="L469" class="LineNr">469 </span><span class="Delimiter">:(scenario check_missing_base_operand)</span>
<span id="L470" class="LineNr">470 </span><span class="Special">% Hide_errors = true;</span>
<span id="L471" class="LineNr">471 </span>== <span class="Constant">0x1</span>
<span id="L472" class="LineNr">472 </span><span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">0</span>/mod/indirect <span class="Constant">4</span>/rm32/use-sib <span class="Constant">1</span>/imm32
<span id="L473" class="LineNr">473 </span><span class="traceContains">+error: '81 0/add/subop 0/mod/indirect 4/rm32/use-sib 1/imm32' (combine rm32 with <a href='037heap.cc.html#L23'>imm32</a> based on subop): missing base operand</span>
<span id="L474" class="LineNr">474 </span>
<span id="L475" class="LineNr">475 </span><span class="Delimiter">:(scenario check_missing_index_operand)</span>
<span id="L476" class="LineNr">476 </span><span class="Special">% Hide_errors = true;</span>
<span id="L477" class="LineNr">477 </span>== <span class="Constant">0x1</span>
<span id="L478" class="LineNr">478 </span><span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">0</span>/mod/indirect <span class="Constant">4</span>/rm32/use-sib <span class="Constant">0</span>/base <span class="Constant">1</span>/imm32
<span id="L479" class="LineNr">479 </span><span class="traceContains">+error: '81 0/add/subop 0/mod/indirect 4/rm32/use-sib 0/base 1/imm32' (combine rm32 with <a href='037heap.cc.html#L23'>imm32</a> based on subop): missing index operand</span>
<span id="L480" class="LineNr">480 </span>
<span id="L481" class="LineNr">481 </span><span class="Delimiter">:(scenario check_missing_base_operand_2)</span>
<span id="L482" class="LineNr">482 </span><span class="Special">% Hide_errors = true;</span>
<span id="L483" class="LineNr">483 </span>== <span class="Constant">0x1</span>
<span id="L484" class="LineNr">484 </span><span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">0</span>/mod/indirect <span class="Constant">4</span>/rm32/use-sib <span class="Constant">2</span>/index <span class="Constant">3</span>/scale <span class="Constant">1</span>/imm32
<span id="L485" class="LineNr">485 </span><span class="traceContains">+error: '81 0/add/subop 0/mod/indirect 4/rm32/use-sib 2/index 3/scale 1/imm32' (combine rm32 with <a href='037heap.cc.html#L23'>imm32</a> based on subop): missing base operand</span>
<span id="L486" class="LineNr">486 </span>
<span id="L487" class="LineNr">487 </span><span class="Delimiter">:(scenario check_extra_displacement)</span>
<span id="L488" class="LineNr">488 </span><span class="Special">% Hide_errors = true;</span>
<span id="L489" class="LineNr">489 </span>== <span class="Constant">0x1</span>
<span id="L490" class="LineNr">490 </span><span class="Constant">89</span>/copy <span class="Constant">0</span>/mod/indirect <span class="Constant">0</span>/rm32/EAX <span class="Constant">1</span>/r32/ECX <span class="Constant">4</span>/disp8
<span id="L491" class="LineNr">491 </span><span class="traceContains">+error: '89/copy 0/mod/indirect 0/rm32/EAX 1/r32/ECX 4/disp8' (copy r32 to rm32): unexpected disp8 operand</span>
<span id="L492" class="LineNr">492 </span>
<span id="L493" class="LineNr">493 </span><span class="Delimiter">:(scenario check_duplicate_operand)</span>
<span id="L494" class="LineNr">494 </span><span class="Special">% Hide_errors = true;</span>
<span id="L495" class="LineNr">495 </span>== <span class="Constant">0x1</span>
<span id="L496" class="LineNr">496 </span><span class="Constant">89</span>/copy <span class="Constant">0</span>/mod/indirect <span class="Constant">0</span>/rm32/EAX <span class="Constant">1</span>/r32/ECX <span class="Constant">1</span>/r32
<span id="L497" class="LineNr">497 </span><span class="traceContains">+error: '89/copy 0/mod/indirect 0/rm32/EAX 1/r32/ECX 1/r32': duplicate r32 operand</span>
<span id="L498" class="LineNr">498 </span>
<span id="L499" class="LineNr">499 </span><span class="Delimiter">:(scenario check_base_operand_not_needed_in_direct_mode)</span>
<span id="L500" class="LineNr">500 </span>== <span class="Constant">0x1</span>
<span id="L501" class="LineNr">501 </span><span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">3</span>/mod/indirect <span class="Constant">4</span>/rm32/use-sib <span class="Constant">1</span>/imm32
<span id="L502" class="LineNr">502 </span>$error: <span class="Constant">0</span>
<span id="L503" class="LineNr">503 </span>
<span id="L504" class="LineNr">504 </span><span class="Delimiter">:(scenario extra_modrm)</span>
<span id="L505" class="LineNr">505 </span><span class="Special">% Hide_errors = true;</span>
<span id="L506" class="LineNr">506 </span>== <span class="Constant">0x1</span>
<span id="L507" class="LineNr">507 </span><span class="Constant">59</span>/pop-to-ECX <span class="Constant">3</span>/mod/direct <span class="Constant">1</span>/rm32/ECX <span class="Constant">4</span>/r32/ESP
<span id="L508" class="LineNr">508 </span><span class="traceContains">+error: '59/pop-to-ECX 3/mod/direct 1/rm32/ECX 4/r32/ESP' (pop top of stack to ECX): unexpected modrm operand</span>
<span id="L509" class="LineNr">509 </span>
<span id="L510" class="LineNr">510 </span><span class="SalientComment">//:: similarly handle multi-byte opcodes</span>
<span id="L511" class="LineNr">511 </span>
<span id="L512" class="LineNr">512 </span><span class="Delimiter">:(code)</span>
<span id="L513" class="LineNr">513 </span><span class="Normal">void</span> check_operands_0f<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L514" class="LineNr">514 </span> assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">);</span>
<span id="L515" class="LineNr">515 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L516" class="LineNr">516 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"opcode '0f' requires a second opcode\n"</span> << end<span class="Delimiter">();</span>
<span id="L517" class="LineNr">517 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L518" class="LineNr">518 </span> <span class="Delimiter">}</span>
<span id="L519" class="LineNr">519 </span> <a href='011run.cc.html#L123'>word</a> op = <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span>
<span id="L520" class="LineNr">520 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L379'>Name_0f</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L521" class="LineNr">521 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"unknown 2-byte opcode '0f "</span> << op<span class="Delimiter">.</span>data << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span>
<span id="L522" class="LineNr">522 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L523" class="LineNr">523 </span> <span class="Delimiter">}</span>
<span id="L524" class="LineNr">524 </span> check_operands_0f<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L525" class="LineNr">525 </span><span class="Delimiter">}</span>
<span id="L526" class="LineNr">526 </span>
<span id="L527" class="LineNr">527 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L527'>check_operands_f3</a><span class="Delimiter">(</span><span class="Normal">const</span> line& <span class="Comment">/*</span><span class="Comment">unused</span><span class="Comment">*/</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L528" class="LineNr">528 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"no supported opcodes starting with f3\n"</span> << end<span class="Delimiter">();</span>
<span id="L529" class="LineNr">529 </span><span class="Delimiter">}</span>
<span id="L530" class="LineNr">530 </span>
<span id="L531" class="LineNr">531 </span><span class="Delimiter">:(scenario check_missing_disp32_operand)</span>
<span id="L532" class="LineNr">532 </span><span class="Special">% Hide_errors = true;</span>
<span id="L533" class="LineNr">533 </span>== <span class="Constant">0x1</span>
<span id="L534" class="LineNr">534 </span><span class="Comment"># instruction effective address operand displacement immediate</span>
<span id="L535" class="LineNr">535 </span><span class="Comment"># op subop mod rm32 base index scale r32</span>
<span id="L536" class="LineNr">536 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span>
<span id="L537" class="LineNr">537 </span> <span class="Constant">0f</span> <span class="Constant">84</span> <span class="Comment"># jmp if ZF to ??</span>
<span id="L538" class="LineNr">538 </span><span class="traceContains">+error: '0f 84' (jump disp32 bytes away if equal, if ZF is set): missing disp32 operand</span>
<span id="L539" class="LineNr">539 </span>
<span id="L540" class="LineNr">540 </span><span class="Delimiter">:(before "End Globals")</span>
<span id="L541" class="LineNr">541 </span>map<<span class="Comment">/*</span><span class="Comment">op</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">bitvector</span><span class="Comment">*/</span><span class="Normal">uint8_t</span>> <span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">;</span>
<span id="L542" class="LineNr">542 </span><span class="Delimiter">:(before "End Init Permitted Operands")</span>
<span id="L543" class="LineNr">543 </span><span class="SalientComment">//// Class D: just op and disp32</span>
<span id="L544" class="LineNr">544 </span><span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L545" class="LineNr">545 </span><span class="Comment">// 0 0 1 |0 0 0 0</span>
<span id="L546" class="LineNr">546 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> <span class="Constant">"84"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span>
<span id="L547" class="LineNr">547 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> <span class="Constant">"85"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span>
<span id="L548" class="LineNr">548 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> <span class="Constant">"8c"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span>
<span id="L549" class="LineNr">549 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> <span class="Constant">"8d"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span>
<span id="L550" class="LineNr">550 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> <span class="Constant">"8e"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span>
<span id="L551" class="LineNr">551 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> <span class="Constant">"8f"</span><span class="Delimiter">,</span> <span class="Constant">0x10</span><span class="Delimiter">);</span>
<span id="L552" class="LineNr">552 </span>
<span id="L553" class="LineNr">553 </span><span class="SalientComment">//// Class M: using ModR/M byte</span>
<span id="L554" class="LineNr">554 </span><span class="Comment">// imm32 imm8 disp32 |disp16 disp8 subop modrm</span>
<span id="L555" class="LineNr">555 </span><span class="Comment">// 0 0 0 |0 0 0 1</span>
<span id="L556" class="LineNr">556 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> <span class="Constant">"af"</span><span class="Delimiter">,</span> <span class="Constant">0x01</span><span class="Delimiter">);</span>
<span id="L557" class="LineNr">557 </span>
<span id="L558" class="LineNr">558 </span><span class="Delimiter">:(code)</span>
<span id="L559" class="LineNr">559 </span><span class="Normal">void</span> check_operands_0f<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L560" class="LineNr">560 </span> <span class="Normal">uint8_t</span> expected_bitvector = get<span class="Delimiter">(</span><span class="Special"><a href='031check_operands.cc.html#L541'>Permitted_operands_0f</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">);</span>
<span id="L561" class="LineNr">561 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>HAS<span class="Delimiter">(</span>expected_bitvector<span class="Delimiter">,</span> <a href='031check_operands.cc.html#L64'>MODRM</a><span class="Delimiter">))</span>
<span id="L562" class="LineNr">562 </span> <a href='031check_operands.cc.html#L354'>check_operands_modrm</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> op<span class="Delimiter">);</span>
<span id="L563" class="LineNr">563 </span> <a href='031check_operands.cc.html#L566'>compare_bitvector_0f</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> CLEAR<span class="Delimiter">(</span>expected_bitvector<span class="Delimiter">,</span> <a href='031check_operands.cc.html#L64'>MODRM</a><span class="Delimiter">),</span> op<span class="Delimiter">);</span>
<span id="L564" class="LineNr">564 </span><span class="Delimiter">}</span>
<span id="L565" class="LineNr">565 </span>
<span id="L566" class="LineNr">566 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L566'>compare_bitvector_0f</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">uint8_t</span> expected<span class="Delimiter">,</span> <span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L567" class="LineNr">567 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L379'>all_hex_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> && <a href='031check_operands.cc.html#L297'>has_operands</a><span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// deliberately programming in raw hex; we'll raise a warning elsewhere</span>
<span id="L568" class="LineNr">568 </span> <span class="Normal">uint8_t</span> bitvector = <a href='031check_operands.cc.html#L287'>compute_expected_operand_bitvector</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L569" class="LineNr">569 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// duplicate operand type</span>
<span id="L570" class="LineNr">570 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>bitvector == expected<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// all good with this instruction</span>
<span id="L571" class="LineNr">571 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='031check_operands.cc.html#L71'>NUM_OPERAND_TYPES</a><span class="Delimiter">;</span> ++i<span class="Delimiter">,</span> bitvector >>= <span class="Constant">1</span><span class="Delimiter">,</span> expected >>= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L572" class="LineNr">572 </span><span class="CommentedCode">//? cerr << "comparing " << HEXBYTE << NUM(bitvector) << " with " << NUM(expected) << '\n';</span>
<span id="L573" class="LineNr">573 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>bitvector & <span class="Constant">0x1</span><span class="Delimiter">)</span> == <span class="Delimiter">(</span>expected & <span class="Constant">0x1</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// all good with this operand</span>
<span id="L574" class="LineNr">574 </span> <span class="Normal">const</span> string& optype = <span class="Special"><a href='031check_operands.cc.html#L74'>Operand_type_name</a></span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L575" class="LineNr">575 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>bitvector & <span class="Constant">0x1</span><span class="Delimiter">)</span> > <span class="Delimiter">(</span>expected & <span class="Constant">0x1</span><span class="Delimiter">))</span>
<span id="L576" class="LineNr">576 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L584'>maybe_name_0f</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": unexpected "</span> << optype << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L577" class="LineNr">577 </span> <span class="Normal">else</span>
<span id="L578" class="LineNr">578 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='031check_operands.cc.html#L584'>maybe_name_0f</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="Constant">": missing "</span> << optype << <span class="Constant">" operand\n"</span> << end<span class="Delimiter">();</span>
<span id="L579" class="LineNr">579 </span> <span class="Comment">// continue giving all errors for a single instruction</span>
<span id="L580" class="LineNr">580 </span> <span class="Delimiter">}</span>
<span id="L581" class="LineNr">581 </span> <span class="Comment">// ignore settings in any unused bits</span>
<span id="L582" class="LineNr">582 </span><span class="Delimiter">}</span>
<span id="L583" class="LineNr">583 </span>
<span id="L584" class="LineNr">584 </span>string <a href='031check_operands.cc.html#L584'>maybe_name_0f</a><span class="Delimiter">(</span><span class="Normal">const</span> word& op<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L585" class="LineNr">585 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_hex_byte<span class="Delimiter">(</span>op<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span>
<span id="L586" class="LineNr">586 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L379'>Name_0f</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span>
<span id="L587" class="LineNr">587 </span> <span class="Comment">// strip stuff in parens from the name</span>
<span id="L588" class="LineNr">588 </span> <span class="Normal">const</span> string& s = get<span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L379'>Name_0f</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">);</span>
<span id="L589" class="LineNr">589 </span> <span class="Identifier">return</span> <span class="Constant">" ("</span>+s<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> s<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">" ("</span><span class="Delimiter">))</span>+<span class="Constant">')'</span><span class="Delimiter">;</span>
<span id="L590" class="LineNr">590 </span><span class="Delimiter">}</span>
<span id="L591" class="LineNr">591 </span>
<span id="L592" class="LineNr">592 </span>string <a href='031check_operands.cc.html#L592'>tolower</a><span class="Delimiter">(</span><span class="Normal">const</span> <span class="Normal">char</span>* s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L593" class="LineNr">593 </span> ostringstream out<span class="Delimiter">;</span>
<span id="L594" class="LineNr">594 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span> *s<span class="Delimiter">;</span> ++s<span class="Delimiter">)</span>
<span id="L595" class="LineNr">595 </span> out << <span class="Normal">static_cast</span><<span class="Normal">char</span>><span class="Delimiter">(</span><a href='031check_operands.cc.html#L592'>tolower</a><span class="Delimiter">(</span>*s<span class="Delimiter">));</span>
<span id="L596" class="LineNr">596 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L597" class="LineNr">597 </span><span class="Delimiter">}</span>
<span id="L598" class="LineNr">598 </span>
<span id="L599" class="LineNr">599 </span><span class="Comment">#undef HAS</span>
<span id="L600" class="LineNr">600 </span><span class="Comment">#undef SET</span>
<span id="L601" class="LineNr">601 </span><span class="Comment">#undef CLEAR</span>
<span id="L602" class="LineNr">602 </span>
<span id="L603" class="LineNr">603 </span><span class="Delimiter">:(before "End Includes")</span>
<span id="L604" class="LineNr">604 </span><span class="Comment">#include<cctype></span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|