about summary refs log blame commit diff stats
path: root/html/035labels.cc.html
blob: cb79e2886940ca37f5ec55a7f9e6b1d768f21729 (plain) (tree) 
7328af20 ^




c8a3ccbe ^

ce2c1efc ^


7328af20 ^


ac07e589 ^

7328af20 ^


ac07e589 ^


08a0eed6 ^

e4ac3c9e ^

ac07e589 ^


ce2c1efc ^


ac07e589 ^


ce2c1efc ^

e99038ea ^

7328af20 ^
















ce2c1efc ^

7328af20 ^
















c8a3ccbe ^

7328af20 ^


608a7fa8 ^

d2c239e1 ^


















5a2cb154 ^

c8a3ccbe ^











9c1056f5 ^

c8a3ccbe ^



























































generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-08-18 08:31:23 +0000
id='n115' href='#n115'>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




                                                                                          
                                

                                                

                                                                                                               
                                                 

                       

                                                                                                 
                    
                                     

                             

                                                                           

                               
                              
                             















                                                                                 
                                                  















                                                                              
                                                                                                                             

                                                                                                                                               
                                                                                                                                                      

















                                                                                                                                                    
                                         










                                                                                                                                                                                                
                                                                            


























































                                                                                                                                                                                                                                                                                                                                                                                                                                 

                                                                                                                   












































































































































                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                                                                    
                                                                                                                                                                                                                                                          
                                                                                  
































                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                          















































































































































                                                                                                                                                                                                                                                         



                                     
<!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 - 035labels.cc</title>
<meta name="Generator" content="Vim/8.1">
<meta name="plugin-version" content="vim8.1_v1">
<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; }
.LineNr { }
.Constant { color: #008787; }
.Comment { color: #005faf; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Special { color: #d70000; }
.Identifier { color: #af5f00; }
.Delimiter { color: #c000c0; }
.cSpecial { color: #008000; }
-->
</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;
  }
  var 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/035labels.cc'>https://github.com/akkartik/mu/blob/master/035labels.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Labels are defined by ending names with a ':'. This layer will compute</span>
<span id="L2" class="LineNr">  2 </span><span class="Comment">//: displacements for labels, and compute the offset for instructions using them.</span>
<span id="L3" class="LineNr">  3 </span><span class="Comment">//:</span>
<span id="L4" class="LineNr">  4 </span><span class="Comment">//: We won't check this, but our convention will be that jump targets will</span>
<span id="L5" class="LineNr">  5 </span><span class="Comment">//: start with a '$', while functions will not. Function names will never be</span>
<span id="L6" class="LineNr">  6 </span><span class="Comment">//: jumped to, and jump targets will never be called.</span>
<span id="L7" class="LineNr">  7 </span>
<span id="L8" class="LineNr">  8 </span><span class="Comment">//: We're introducing non-number names for the first time, so it's worth</span>
<span id="L9" class="LineNr">  9 </span><span class="Comment">//: laying down some ground rules all transforms will follow, so things don't</span>
<span id="L10" class="LineNr"> 10 </span><span class="Comment">//: get too confusing:</span>
<span id="L11" class="LineNr"> 11 </span><span class="Comment">//:   - if it starts with a digit, it's treated as a number. If it can't be</span>
<span id="L12" class="LineNr"> 12 </span><span class="Comment">//:     parsed as hex it will raise an error.</span>
<span id="L13" class="LineNr"> 13 </span><span class="Comment">//:   - if it starts with '-' it's treated as a number.</span>
<span id="L14" class="LineNr"> 14 </span><span class="Comment">//:   - if it starts with '0x' it's treated as a number.</span>
<span id="L15" class="LineNr"> 15 </span><span class="Comment">//:   - if it's two characters long, it can't be a name. Either it's a hex</span>
<span id="L16" class="LineNr"> 16 </span><span class="Comment">//:     byte, or it raises an error.</span>
<span id="L17" class="LineNr"> 17 </span><span class="Comment">//: That's it. Names can start with any non-digit that isn't a dash. They can</span>
<span id="L18" class="LineNr"> 18 </span><span class="Comment">//: be a single character long. 'a' is not a hex number, it's a variable.</span>
<span id="L19" class="LineNr"> 19 </span><span class="Comment">//: Later layers may add more conventions partitioning the space of names. But</span>
<span id="L20" class="LineNr"> 20 </span><span class="Comment">//: the above rules will remain inviolate.</span>
<span id="L21" class="LineNr"> 21 </span>
<span id="L22" class="LineNr"> 22 </span><span class="Comment">//: One special label is 'Entry', the address to start running the program at.</span>
<span id="L23" class="LineNr"> 23 </span><span class="Comment">//: It can be non-unique; the last declaration overrides earlier ones.</span>
<span id="L24" class="LineNr"> 24 </span><span class="Comment">//: It must exist in a program. Otherwise we don't know where to start running</span>
<span id="L25" class="LineNr"> 25 </span><span class="Comment">//: programs.</span>
<span id="L26" class="LineNr"> 26 </span>
<span id="L27" class="LineNr"> 27 </span><span class="Normal">void</span> <a href='035labels.cc.html#L27'>test_Entry_label</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L28" class="LineNr"> 28 </span>  <a href='011run.cc.html#L83'>run</a><span class="Delimiter">(</span>
<span id="L29" class="LineNr"> 29 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L30" class="LineNr"> 30 </span>      <span class="Constant">&quot;05 0x0d0c0b0a/imm32\n&quot;</span>
<span id="L31" class="LineNr"> 31 </span>      <span class="Constant">&quot;Entry:\n&quot;</span>
<span id="L32" class="LineNr"> 32 </span>      <span class="Constant">&quot;05 0x0d0c0b0a/imm32\n&quot;</span>
<span id="L33" class="LineNr"> 33 </span>  <span class="Delimiter">);</span>
<span id="L34" class="LineNr"> 34 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L35" class="LineNr"> 35 </span>      <span class="Constant">&quot;run: 0x00000006 opcode: 05\n&quot;</span>
<span id="L36" class="LineNr"> 36 </span>  <span class="Delimiter">);</span>
<span id="L37" class="LineNr"> 37 </span>  <a href='003trace.cc.html#L292'>CHECK_TRACE_DOESNT_CONTAIN</a><span class="Delimiter">(</span><span class="Constant">&quot;run: 0x00000001 opcode: 05&quot;</span><span class="Delimiter">);</span>
<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">}</span>
<span id="L39" class="LineNr"> 39 </span>
<span id="L40" class="LineNr"> 40 </span><span class="Delimiter">:(before &quot;End looks_like_hex_int(s) Detectors&quot;)</span>
<span id="L41" class="LineNr"> 41 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span> == <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L42" class="LineNr"> 42 </span>
<span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(code)</span>
<span id="L44" class="LineNr"> 44 </span><span class="Normal">void</span> <a href='035labels.cc.html#L44'>test_pack_immediate_ignores_single_byte_nondigit_operand</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L45" class="LineNr"> 45 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L46" class="LineNr"> 46 </span>  transform<span class="Delimiter">(</span>
<span id="L47" class="LineNr"> 47 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L48" class="LineNr"> 48 </span>      <span class="Constant">&quot;b9/copy  a/imm32\n&quot;</span>
<span id="L49" class="LineNr"> 49 </span>  <span class="Delimiter">);</span>
<span id="L50" class="LineNr"> 50 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L51" class="LineNr"> 51 </span>      <span class="Constant">&quot;transform: packing instruction 'b9/copy a/imm32'\n&quot;</span>
<span id="L52" class="LineNr"> 52 </span>      <span class="Comment">// no change (we're just not printing metadata to the trace)</span>
<span id="L53" class="LineNr"> 53 </span>      <span class="Constant">&quot;transform: instruction after packing: 'b9 a'\n&quot;</span>
<span id="L54" class="LineNr"> 54 </span>  <span class="Delimiter">);</span>
<span id="L55" class="LineNr"> 55 </span><span class="Delimiter">}</span>
<span id="L56" class="LineNr"> 56 </span>
<span id="L57" class="LineNr"> 57 </span><span class="Normal">void</span> <a href='035labels.cc.html#L57'>test_pack_immediate_ignores_3_hex_digit_operand</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L58" class="LineNr"> 58 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L59" class="LineNr"> 59 </span>  transform<span class="Delimiter">(</span>
<span id="L60" class="LineNr"> 60 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L61" class="LineNr"> 61 </span>      <span class="Constant">&quot;b9/copy  aaa/imm32\n&quot;</span>
<span id="L62" class="LineNr"> 62 </span>  <span class="Delimiter">);</span>
<span id="L63" class="LineNr"> 63 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L64" class="LineNr"> 64 </span>      <span class="Constant">&quot;transform: packing instruction 'b9/copy aaa/imm32'\n&quot;</span>
<span id="L65" class="LineNr"> 65 </span>      <span class="Comment">// no change (we're just not printing metadata to the trace)</span>
<span id="L66" class="LineNr"> 66 </span>      <span class="Constant">&quot;transform: instruction after packing: 'b9 aaa'\n&quot;</span>
<span id="L67" class="LineNr"> 67 </span>  <span class="Delimiter">);</span>
<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span>
<span id="L69" class="LineNr"> 69 </span>
<span id="L70" class="LineNr"> 70 </span><span class="Normal">void</span> <a href='035labels.cc.html#L70'>test_pack_immediate_ignores_non_hex_operand</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L71" class="LineNr"> 71 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L72" class="LineNr"> 72 </span>  transform<span class="Delimiter">(</span>
<span id="L73" class="LineNr"> 73 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L74" class="LineNr"> 74 </span>      <span class="Constant">&quot;b9/copy xxx/imm32\n&quot;</span>
<span id="L75" class="LineNr"> 75 </span>  <span class="Delimiter">);</span>
<span id="L76" class="LineNr"> 76 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L77" class="LineNr"> 77 </span>      <span class="Constant">&quot;transform: packing instruction 'b9/copy xxx/imm32'\n&quot;</span>
<span id="L78" class="LineNr"> 78 </span>      <span class="Comment">// no change (we're just not printing metadata to the trace)</span>
<span id="L79" class="LineNr"> 79 </span>      <span class="Constant">&quot;transform: instruction after packing: 'b9 xxx'\n&quot;</span>
<span id="L80" class="LineNr"> 80 </span>  <span class="Delimiter">);</span>
<span id="L81" class="LineNr"> 81 </span><span class="Delimiter">}</span>
<span id="L82" class="LineNr"> 82 </span>
<span id="L83" class="LineNr"> 83 </span><span class="Comment">//: a helper we'll find handy later</span>
<span id="L84" class="LineNr"> 84 </span><span class="Normal">void</span> <a href='035labels.cc.html#L84'>check_valid_name</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L85" class="LineNr"> 85 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L86" class="LineNr"> 86 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;empty name!\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L87" class="LineNr"> 87 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L88" class="LineNr"> 88 </span>  <span class="Delimiter">}</span>
<span id="L89" class="LineNr"> 89 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'-'</span><span class="Delimiter">)</span>
<span id="L90" class="LineNr"> 90 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' starts with '-', which can be confused with a negative number; use a different name\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L91" class="LineNr"> 91 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">)</span> == <span class="Constant">&quot;0x&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L92" class="LineNr"> 92 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' looks like a hex number; use a different name\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L93" class="LineNr"> 93 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L94" class="LineNr"> 94 </span>  <span class="Delimiter">}</span>
<span id="L95" class="LineNr"> 95 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>isdigit<span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span>
<span id="L96" class="LineNr"> 96 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' starts with a digit, and so can be confused with a number; use a different name.\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L97" class="LineNr"> 97 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span> == <span class="Constant">2</span><span class="Delimiter">)</span>
<span id="L98" class="LineNr"> 98 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' is two characters long, which can look like raw hex bytes at a glance; use a different name\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L99" class="LineNr"> 99 </span><span class="Delimiter">}</span>
<span id="L100" class="LineNr">100 </span>
<span id="L101" class="LineNr">101 </span><span class="Comment">//: Now that that's done, let's start using names as labels.</span>
<span id="L102" class="LineNr">102 </span>
<span id="L103" class="LineNr">103 </span><span class="Normal">void</span> <a href='035labels.cc.html#L103'>test_map_label</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L104" class="LineNr">104 </span>  transform<span class="Delimiter">(</span>
<span id="L105" class="LineNr">105 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L106" class="LineNr">106 </span>      <span class="Constant">&quot;loop:\n&quot;</span>
<span id="L107" class="LineNr">107 </span>      <span class="Constant">&quot;  05  0x0d0c0b0a/imm32\n&quot;</span>
<span id="L108" class="LineNr">108 </span>  <span class="Delimiter">);</span>
<span id="L109" class="LineNr">109 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L110" class="LineNr">110 </span>      <span class="Constant">&quot;transform: label 'loop' is at address 1\n&quot;</span>
<span id="L111" class="LineNr">111 </span>  <span class="Delimiter">);</span>
<span id="L112" class="LineNr">112 </span><span class="Delimiter">}</span>
<span id="L113" class="LineNr">113 </span>
<span id="L114" class="LineNr">114 </span><span class="Delimiter">:(before &quot;End Level-2 Transforms&quot;)</span>
<span id="L115" class="LineNr">115 </span><span class="Special"><a href='011run.cc.html#L252'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='035labels.cc.html#L117'>rewrite_labels</a><span class="Delimiter">);</span>
<span id="L116" class="LineNr">116 </span><span class="Delimiter">:(code)</span>
<span id="L117" class="LineNr">117 </span><span class="Normal">void</span> <a href='035labels.cc.html#L117'>rewrite_labels</a><span class="Delimiter">(</span>program&amp; p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L118" class="LineNr">118 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;-- rewrite labels&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L119" class="LineNr">119 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L107'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L120" class="LineNr">120 </span>  segment&amp; code = *find<span class="Delimiter">(</span>p<span class="Delimiter">,</span> <span class="Constant">&quot;code&quot;</span><span class="Delimiter">);</span>
<span id="L121" class="LineNr">121 </span>  map&lt;string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>&gt; byte_index<span class="Delimiter">;</span>  <span class="Comment">// values are unsigned, but we're going to do subtractions on them so they need to fit in 31 bits</span>
<span id="L122" class="LineNr">122 </span>  <a href='035labels.cc.html#L131'>compute_byte_indices_for_labels</a><span class="Delimiter">(</span>code<span class="Delimiter">,</span> byte_index<span class="Delimiter">);</span>
<span id="L123" class="LineNr">123 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L262'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L124" class="LineNr">124 </span>  <a href='035labels.cc.html#L205'>drop_labels</a><span class="Delimiter">(</span>code<span class="Delimiter">);</span>
<span id="L125" class="LineNr">125 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L262'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L126" class="LineNr">126 </span>  <a href='035labels.cc.html#L217'>replace_labels_with_displacements</a><span class="Delimiter">(</span>code<span class="Delimiter">,</span> byte_index<span class="Delimiter">);</span>
<span id="L127" class="LineNr">127 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L254'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> <span class="Constant">&quot;Entry&quot;</span><span class="Delimiter">))</span>
<span id="L128" class="LineNr">128 </span>    p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>entry</a> = code<span class="Delimiter">.</span>start + get<span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> <span class="Constant">&quot;Entry&quot;</span><span class="Delimiter">);</span>
<span id="L129" class="LineNr">129 </span><span class="Delimiter">}</span>
<span id="L130" class="LineNr">130 </span>
<span id="L131" class="LineNr">131 </span><span class="Normal">void</span> <a href='035labels.cc.html#L131'>compute_byte_indices_for_labels</a><span class="Delimiter">(</span><span class="Normal">const</span> segment&amp; code<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>&gt;&amp; byte_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L132" class="LineNr">132 </span>  <span class="Normal">int</span> current_byte = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L133" class="LineNr">133 </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 &lt; <a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>code<span class="Delimiter">.</span><a href='011run.cc.html#L114'>lines</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L134" class="LineNr">134 </span>    <span class="Normal">const</span> line&amp; inst = code<span class="Delimiter">.</span><a href='011run.cc.html#L114'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L135" class="LineNr">135 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L184'>Source_lines_file</a></span><span class="Delimiter">.</span>is_open<span class="Delimiter">()</span> &amp;&amp; !inst<span class="Delimiter">.</span>original<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> &amp;&amp; <span class="Comment">/*</span><span class="Comment">not a label</span><span class="Comment">*/</span> *inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">':'</span><span class="Delimiter">)</span>
<span id="L136" class="LineNr">136 </span>      <span class="Special"><a href='035labels.cc.html#L184'>Source_lines_file</a></span> &lt;&lt; <span class="Constant">&quot;0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L398'>HEXWORD</a> &lt;&lt; <span class="Delimiter">(</span>code<span class="Delimiter">.</span>start + current_byte<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">' '</span> &lt;&lt; inst<span class="Delimiter">.</span>original &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L137" class="LineNr">137 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L138" class="LineNr">138 </span>      <span class="Normal">const</span> word&amp; curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span>
<span id="L139" class="LineNr">139 </span>      <span class="Comment">// hack: if we have any operand metadata left after previous transforms,</span>
<span id="L140" class="LineNr">140 </span>      <span class="Comment">// deduce its size</span>
<span id="L141" class="LineNr">141 </span>      <span class="Comment">// Maybe we should just move this transform to before instruction</span>
<span id="L142" class="LineNr">142 </span>      <span class="Comment">// packing, and deduce the size of *all* operands. But then we'll also</span>
<span id="L143" class="LineNr">143 </span>      <span class="Comment">// have to deal with bitfields.</span>
<span id="L144" class="LineNr">144 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">&quot;disp32&quot;</span><span class="Delimiter">)</span> || has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">&quot;imm32&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L145" class="LineNr">145 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span>
<span id="L146" class="LineNr">146 </span>          <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;': don't use ':' when jumping to labels\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L147" class="LineNr">147 </span>        current_byte += <span class="Constant">4</span><span class="Delimiter">;</span>
<span id="L148" class="LineNr">148 </span>      <span class="Delimiter">}</span>
<span id="L149" class="LineNr">149 </span>      <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">&quot;disp16&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L150" class="LineNr">150 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span>
<span id="L151" class="LineNr">151 </span>          <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;': don't use ':' when jumping to labels\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L152" class="LineNr">152 </span>        current_byte += <span class="Constant">2</span><span class="Delimiter">;</span>
<span id="L153" class="LineNr">153 </span>      <span class="Delimiter">}</span>
<span id="L154" class="LineNr">154 </span>      <span class="Comment">// automatically handle /disp8 and /imm8 here</span>
<span id="L155" class="LineNr">155 </span>      <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L156" class="LineNr">156 </span>        ++current_byte<span class="Delimiter">;</span>
<span id="L157" class="LineNr">157 </span>      <span class="Delimiter">}</span>
<span id="L158" class="LineNr">158 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L159" class="LineNr">159 </span>        string label = <a href='035labels.cc.html#L263'>drop_last</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span>
<span id="L160" class="LineNr">160 </span>        <span class="Comment">// ensure labels look sufficiently different from raw hex</span>
<span id="L161" class="LineNr">161 </span>        <a href='035labels.cc.html#L84'>check_valid_name</a><span class="Delimiter">(</span>label<span class="Delimiter">);</span>
<span id="L162" class="LineNr">162 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L262'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L163" class="LineNr">163 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L446'>contains_any_operand_metadata</a><span class="Delimiter">(</span>curr<span class="Delimiter">))</span>
<span id="L164" class="LineNr">164 </span>          <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;': label definition (':') not allowed in operand\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L165" class="LineNr">165 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>j &gt; <span class="Constant">0</span><span class="Delimiter">)</span>
<span id="L166" class="LineNr">166 </span>          <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;': labels can only be the first <a href='011run.cc.html#L128'>word</a> in a line.\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L167" class="LineNr">167 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L183'>Labels_file</a></span><span class="Delimiter">.</span>is_open<span class="Delimiter">())</span>
<span id="L168" class="LineNr">168 </span>          <span class="Special"><a href='035labels.cc.html#L183'>Labels_file</a></span> &lt;&lt; <span class="Constant">&quot;0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L398'>HEXWORD</a> &lt;&lt; <span class="Delimiter">(</span>code<span class="Delimiter">.</span>start + current_byte<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">' '</span> &lt;&lt; label &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L169" class="LineNr">169 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L254'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> label<span class="Delimiter">)</span> &amp;&amp; label != <span class="Constant">&quot;Entry&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L170" class="LineNr">170 </span>          <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;duplicate label '&quot;</span> &lt;&lt; label &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L171" class="LineNr">171 </span>          <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L172" class="LineNr">172 </span>        <span class="Delimiter">}</span>
<span id="L173" class="LineNr">173 </span>        <a href='001help.cc.html#L250'>put</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> label<span class="Delimiter">,</span> current_byte<span class="Delimiter">);</span>
<span id="L174" class="LineNr">174 </span>        <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;label '&quot;</span> &lt;&lt; label &lt;&lt; <span class="Constant">&quot;' is at address &quot;</span> &lt;&lt; <span class="Delimiter">(</span>current_byte+code<span class="Delimiter">.</span>start<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L175" class="LineNr">175 </span>        <span class="Comment">// no modifying current_byte; label definitions won't be in the final binary</span>
<span id="L176" class="LineNr">176 </span>      <span class="Delimiter">}</span>
<span id="L177" class="LineNr">177 </span>    <span class="Delimiter">}</span>
<span id="L178" class="LineNr">178 </span>  <span class="Delimiter">}</span>
<span id="L179" class="LineNr">179 </span><span class="Delimiter">}</span>
<span id="L180" class="LineNr">180 </span>
<span id="L181" class="LineNr">181 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L182" class="LineNr">182 </span><span class="Normal">bool</span> <span class="Special"><a href='035labels.cc.html#L182'>Dump_debug_info</a></span> = <span class="Constant">false</span><span class="Delimiter">;</span>  <span class="Comment">// currently used only by 'subx translate'</span>
<span id="L183" class="LineNr">183 </span>ofstream <span class="Special"><a href='035labels.cc.html#L183'>Labels_file</a></span><span class="Delimiter">;</span>
<span id="L184" class="LineNr">184 </span>ofstream <span class="Special"><a href='035labels.cc.html#L184'>Source_lines_file</a></span><span class="Delimiter">;</span>
<span id="L185" class="LineNr">185 </span><span class="Delimiter">:(before &quot;End Commandline Options&quot;)</span>
<span id="L186" class="LineNr">186 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L96'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--debug&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L187" class="LineNr">187 </span>  <span class="Special"><a href='035labels.cc.html#L182'>Dump_debug_info</a></span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L188" class="LineNr">188 </span>  <span class="Comment">// End --debug Settings</span>
<span id="L189" class="LineNr">189 </span><span class="Delimiter">}</span>
<span id="L190" class="LineNr">190 </span><span class="Comment">//: wait to open &quot;labels&quot; for writing until we're sure we aren't trying to read it</span>
<span id="L191" class="LineNr">191 </span><span class="Delimiter">:(after &quot;Begin subx translate&quot;)</span>
<span id="L192" class="LineNr">192 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L182'>Dump_debug_info</a></span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L193" class="LineNr">193 </span>  cerr &lt;&lt; <span class="Constant">&quot;saving address-&gt;label information to 'labels'\n&quot;</span><span class="Delimiter">;</span>
<span id="L194" class="LineNr">194 </span>  <span class="Special"><a href='035labels.cc.html#L183'>Labels_file</a></span><span class="Delimiter">.</span>open<span class="Delimiter">(</span><span class="Constant">&quot;labels&quot;</span><span class="Delimiter">);</span>
<span id="L195" class="LineNr">195 </span>  cerr &lt;&lt; <span class="Constant">&quot;saving address-&gt;source information to 'source_lines'\n&quot;</span><span class="Delimiter">;</span>
<span id="L196" class="LineNr">196 </span>  <span class="Special"><a href='035labels.cc.html#L184'>Source_lines_file</a></span><span class="Delimiter">.</span>open<span class="Delimiter">(</span><span class="Constant">&quot;source_lines&quot;</span><span class="Delimiter">);</span>
<span id="L197" class="LineNr">197 </span><span class="Delimiter">}</span>
<span id="L198" class="LineNr">198 </span><span class="Delimiter">:(before &quot;End subx translate&quot;)</span>
<span id="L199" class="LineNr">199 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L182'>Dump_debug_info</a></span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L200" class="LineNr">200 </span>  <span class="Special"><a href='035labels.cc.html#L183'>Labels_file</a></span><span class="Delimiter">.</span>close<span class="Delimiter">();</span>
<span id="L201" class="LineNr">201 </span>  <span class="Special"><a href='035labels.cc.html#L184'>Source_lines_file</a></span><span class="Delimiter">.</span>close<span class="Delimiter">();</span>
<span id="L202" class="LineNr">202 </span><span class="Delimiter">}</span>
<span id="L203" class="LineNr">203 </span>
<span id="L204" class="LineNr">204 </span><span class="Delimiter">:(code)</span>
<span id="L205" class="LineNr">205 </span><span class="Normal">void</span> <a href='035labels.cc.html#L205'>drop_labels</a><span class="Delimiter">(</span>segment&amp; code<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L206" class="LineNr">206 </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 &lt; <a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>code<span class="Delimiter">.</span><a href='011run.cc.html#L114'>lines</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L207" class="LineNr">207 </span>    line&amp; inst = code<span class="Delimiter">.</span><a href='011run.cc.html#L114'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L208" class="LineNr">208 </span>    vector&lt;word&gt;::iterator new_end = remove_if<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='035labels.cc.html#L213'>is_label</a><span class="Delimiter">);</span>
<span id="L209" class="LineNr">209 </span>    inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>erase<span class="Delimiter">(</span>new_end<span class="Delimiter">,</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span>
<span id="L210" class="LineNr">210 </span>  <span class="Delimiter">}</span>
<span id="L211" class="LineNr">211 </span><span class="Delimiter">}</span>
<span id="L212" class="LineNr">212 </span>
<span id="L213" class="LineNr">213 </span><span class="Normal">bool</span> <a href='035labels.cc.html#L213'>is_label</a><span class="Delimiter">(</span><span class="Normal">const</span> word&amp; w<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L214" class="LineNr">214 </span>  <span class="Identifier">return</span> *w<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">;</span>
<span id="L215" class="LineNr">215 </span><span class="Delimiter">}</span>
<span id="L216" class="LineNr">216 </span>
<span id="L217" class="LineNr">217 </span><span class="Normal">void</span> <a href='035labels.cc.html#L217'>replace_labels_with_displacements</a><span class="Delimiter">(</span>segment&amp; code<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>&gt;&amp; byte_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L218" class="LineNr">218 </span>  <span class="Normal">int32_t</span> byte_index_next_instruction_starts_at = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L219" class="LineNr">219 </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 &lt; <a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>code<span class="Delimiter">.</span><a href='011run.cc.html#L114'>lines</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L220" class="LineNr">220 </span>    line&amp; inst = code<span class="Delimiter">.</span><a href='011run.cc.html#L114'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L221" class="LineNr">221 </span>    byte_index_next_instruction_starts_at += <a href='034compute_segment_address.cc.html#L56'>num_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L222" class="LineNr">222 </span>    <a href='011run.cc.html#L122'>line</a> new_inst<span class="Delimiter">;</span>
<span id="L223" class="LineNr">223 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L224" class="LineNr">224 </span>      <span class="Normal">const</span> word&amp; curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span>
<span id="L225" class="LineNr">225 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L254'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L226" class="LineNr">226 </span>        <span class="Normal">int32_t</span> displacement = <span class="Normal">static_cast</span>&lt;<span class="Normal">int32_t</span>&gt;<span class="Delimiter">(</span>get<span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> - byte_index_next_instruction_starts_at<span class="Delimiter">;</span>
<span id="L227" class="LineNr">227 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">&quot;disp8&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L228" class="LineNr">228 </span>          <span class="Normal">if</span> <span class="Delimiter">(</span>displacement &gt; <span class="Constant">0x7f</span> || displacement &lt; -<span class="Constant">0x7f</span><span class="Delimiter">)</span>
<span id="L229" class="LineNr">229 </span>            <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;': label too far away for displacement &quot;</span> &lt;&lt; std::hex &lt;&lt; displacement &lt;&lt; <span class="Constant">&quot; to fit in 8 signed bits\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L230" class="LineNr">230 </span>          <span class="Normal">else</span>
<span id="L231" class="LineNr">231 </span>            emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L232" class="LineNr">232 </span>        <span class="Delimiter">}</span>
<span id="L233" class="LineNr">233 </span>        <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">&quot;disp16&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L234" class="LineNr">234 </span>          <span class="Normal">if</span> <span class="Delimiter">(</span>displacement &gt; <span class="Constant">0x7fff</span> || displacement &lt; -<span class="Constant">0x7fff</span><span class="Delimiter">)</span>
<span id="L235" class="LineNr">235 </span>            <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;': label too far away for displacement &quot;</span> &lt;&lt; std::hex &lt;&lt; displacement &lt;&lt; <span class="Constant">&quot; to fit in 16 signed bits\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L236" class="LineNr">236 </span>          <span class="Normal">else</span>
<span id="L237" class="LineNr">237 </span>            emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
<span id="L238" class="LineNr">238 </span>        <span class="Delimiter">}</span>
<span id="L239" class="LineNr">239 </span>        <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">&quot;disp32&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L240" class="LineNr">240 </span>          emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">);</span>
<span id="L241" class="LineNr">241 </span>        <span class="Delimiter">}</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">&quot;imm32&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L242" class="LineNr">242 </span>          emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> code<span class="Delimiter">.</span>start + get<span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">),</span> <span class="Constant">4</span><span class="Delimiter">);</span>
<span id="L243" class="LineNr">243 </span>        <span class="Delimiter">}</span>
<span id="L244" class="LineNr">244 </span>      <span class="Delimiter">}</span>
<span id="L245" class="LineNr">245 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L246" class="LineNr">246 </span>        new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
<span id="L247" class="LineNr">247 </span>      <span class="Delimiter">}</span>
<span id="L248" class="LineNr">248 </span>    <span class="Delimiter">}</span>
<span id="L249" class="LineNr">249 </span>    inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">);</span>
<span id="L250" class="LineNr">250 </span>    <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction after transform: '&quot;</span> &lt;&lt; data_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L251" class="LineNr">251 </span>  <span class="Delimiter">}</span>
<span id="L252" class="LineNr">252 </span><span class="Delimiter">}</span>
<span id="L253" class="LineNr">253 </span>
<span id="L254" class="LineNr">254 </span>string <a href='035labels.cc.html#L254'>data_to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> line&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L255" class="LineNr">255 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L256" class="LineNr">256 </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 &lt; <a href='001help.cc.html#L164'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L257" class="LineNr">257 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
<span id="L258" class="LineNr">258 </span>    out &lt;&lt; inst<span class="Delimiter">.</span><a href='011run.cc.html#L123'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>data<span class="Delimiter">;</span>
<span id="L259" class="LineNr">259 </span>  <span class="Delimiter">}</span>
<span id="L260" class="LineNr">260 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L261" class="LineNr">261 </span><span class="Delimiter">}</span>
<span id="L262" class="LineNr">262 </span>
<span id="L263" class="LineNr">263 </span>string <a href='035labels.cc.html#L263'>drop_last</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L264" class="LineNr">264 </span>  <span class="Identifier">return</span> string<span class="Delimiter">(</span>s<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> --s<span class="Delimiter">.</span>end<span class="Delimiter">());</span>
<span id="L265" class="LineNr">265 </span><span class="Delimiter">}</span>
<span id="L266" class="LineNr">266 </span>
<span id="L267" class="LineNr">267 </span><span class="Comment">//: Label definitions must be the first word on a line. No jumping inside</span>
<span id="L268" class="LineNr">268 </span><span class="Comment">//: instructions.</span>
<span id="L269" class="LineNr">269 </span><span class="Comment">//: They should also be the only word on a line.</span>
<span id="L270" class="LineNr">270 </span><span class="Comment">//: However, you can absolutely have multiple labels map to the same address,</span>
<span id="L271" class="LineNr">271 </span><span class="Comment">//: as long as they're on separate lines.</span>
<span id="L272" class="LineNr">272 </span>
<span id="L273" class="LineNr">273 </span><span class="Normal">void</span> <a href='035labels.cc.html#L273'>test_multiple_labels_at</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L274" class="LineNr">274 </span>  transform<span class="Delimiter">(</span>
<span id="L275" class="LineNr">275 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L276" class="LineNr">276 </span>      <span class="Comment">// address 1</span>
<span id="L277" class="LineNr">277 </span>      <span class="Constant">&quot;loop:\n&quot;</span>
<span id="L278" class="LineNr">278 </span>      <span class="Constant">&quot; $loop2:\n&quot;</span>
<span id="L279" class="LineNr">279 </span>      <span class="Comment">// address 1 (labels take up no space)</span>
<span id="L280" class="LineNr">280 </span>      <span class="Constant">&quot;    05  0x0d0c0b0a/imm32\n&quot;</span>
<span id="L281" class="LineNr">281 </span>      <span class="Comment">// address 6</span>
<span id="L282" class="LineNr">282 </span>      <span class="Constant">&quot;    eb  $loop2/disp8\n&quot;</span>
<span id="L283" class="LineNr">283 </span>      <span class="Comment">// address 8</span>
<span id="L284" class="LineNr">284 </span>      <span class="Constant">&quot;    eb  $loop3/disp8\n&quot;</span>
<span id="L285" class="LineNr">285 </span>      <span class="Comment">// address 0xa</span>
<span id="L286" class="LineNr">286 </span>      <span class="Constant">&quot; $loop3:\n&quot;</span>
<span id="L287" class="LineNr">287 </span>  <span class="Delimiter">);</span>
<span id="L288" class="LineNr">288 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L289" class="LineNr">289 </span>      <span class="Constant">&quot;transform: label 'loop' is at address 1\n&quot;</span>
<span id="L290" class="LineNr">290 </span>      <span class="Constant">&quot;transform: label '$loop2' is at address 1\n&quot;</span>
<span id="L291" class="LineNr">291 </span>      <span class="Constant">&quot;transform: label '$loop3' is at address a\n&quot;</span>
<span id="L292" class="LineNr">292 </span>      <span class="Comment">// first jump is to -7</span>
<span id="L293" class="LineNr">293 </span>      <span class="Constant">&quot;transform: instruction after transform: 'eb f9'\n&quot;</span>
<span id="L294" class="LineNr">294 </span>      <span class="Comment">// second jump is to 0 (fall through)</span>
<span id="L295" class="LineNr">295 </span>      <span class="Constant">&quot;transform: instruction after transform: 'eb 00'\n&quot;</span>
<span id="L296" class="LineNr">296 </span>  <span class="Delimiter">);</span>
<span id="L297" class="LineNr">297 </span><span class="Delimiter">}</span>
<span id="L298" class="LineNr">298 </span>
<span id="L299" class="LineNr">299 </span><span class="Normal">void</span> <a href='035labels.cc.html#L299'>test_loading_label_as_imm32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L300" class="LineNr">300 </span>  transform<span class="Delimiter">(</span>
<span id="L301" class="LineNr">301 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L302" class="LineNr">302 </span>      <span class="Constant">&quot;label:\n&quot;</span>
<span id="L303" class="LineNr">303 </span>      <span class="Constant">&quot;  be/copy-to-ESI  label/imm32\n&quot;</span>
<span id="L304" class="LineNr">304 </span>  <span class="Delimiter">);</span>
<span id="L305" class="LineNr">305 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L306" class="LineNr">306 </span>      <span class="Constant">&quot;transform: label 'label' is at address 1\n&quot;</span>
<span id="L307" class="LineNr">307 </span>      <span class="Constant">&quot;transform: instruction after transform: 'be 01 00 00 00'\n&quot;</span>
<span id="L308" class="LineNr">308 </span>  <span class="Delimiter">);</span>
<span id="L309" class="LineNr">309 </span><span class="Delimiter">}</span>
<span id="L310" class="LineNr">310 </span>
<span id="L311" class="LineNr">311 </span><span class="Normal">void</span> <a href='035labels.cc.html#L311'>test_duplicate_label</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L312" class="LineNr">312 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L313" class="LineNr">313 </span>  transform<span class="Delimiter">(</span>
<span id="L314" class="LineNr">314 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L315" class="LineNr">315 </span>      <span class="Constant">&quot;loop:\n&quot;</span>
<span id="L316" class="LineNr">316 </span>      <span class="Constant">&quot;loop:\n&quot;</span>
<span id="L317" class="LineNr">317 </span>      <span class="Constant">&quot;    05  0x0d0c0b0a/imm32\n&quot;</span>
<span id="L318" class="LineNr">318 </span>  <span class="Delimiter">);</span>
<span id="L319" class="LineNr">319 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L320" class="LineNr">320 </span>      <span class="Constant">&quot;error: duplicate label 'loop'\n&quot;</span>
<span id="L321" class="LineNr">321 </span>  <span class="Delimiter">);</span>
<span id="L322" class="LineNr">322 </span><span class="Delimiter">}</span>
<span id="L323" class="LineNr">323 </span>
<span id="L324" class="LineNr">324 </span><span class="Normal">void</span> <a href='035labels.cc.html#L324'>test_label_too_short</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L325" class="LineNr">325 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L326" class="LineNr">326 </span>  transform<span class="Delimiter">(</span>
<span id="L327" class="LineNr">327 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L328" class="LineNr">328 </span>      <span class="Constant">&quot;xz:\n&quot;</span>
<span id="L329" class="LineNr">329 </span>      <span class="Constant">&quot;  05  0x0d0c0b0a/imm32\n&quot;</span>
<span id="L330" class="LineNr">330 </span>  <span class="Delimiter">);</span>
<span id="L331" class="LineNr">331 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L332" class="LineNr">332 </span>      <span class="Constant">&quot;error: 'xz' is two characters long, which can look like raw hex bytes at a glance; use a different name\n&quot;</span>
<span id="L333" class="LineNr">333 </span>  <span class="Delimiter">);</span>
<span id="L334" class="LineNr">334 </span><span class="Delimiter">}</span>
<span id="L335" class="LineNr">335 </span>
<span id="L336" class="LineNr">336 </span><span class="Normal">void</span> <a href='035labels.cc.html#L336'>test_label_hex</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L337" class="LineNr">337 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L338" class="LineNr">338 </span>  transform<span class="Delimiter">(</span>
<span id="L339" class="LineNr">339 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L340" class="LineNr">340 </span>      <span class="Constant">&quot;0xab:\n&quot;</span>
<span id="L341" class="LineNr">341 </span>      <span class="Constant">&quot;  05  0x0d0c0b0a/imm32\n&quot;</span>
<span id="L342" class="LineNr">342 </span>  <span class="Delimiter">);</span>
<span id="L343" class="LineNr">343 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L344" class="LineNr">344 </span>      <span class="Constant">&quot;error: '0xab' looks like a hex number; use a different name\n&quot;</span>
<span id="L345" class="LineNr">345 </span>  <span class="Delimiter">);</span>
<span id="L346" class="LineNr">346 </span><span class="Delimiter">}</span>
<span id="L347" class="LineNr">347 </span>
<span id="L348" class="LineNr">348 </span><span class="Normal">void</span> <a href='035labels.cc.html#L348'>test_label_negative_hex</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L349" class="LineNr">349 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L350" class="LineNr">350 </span>  transform<span class="Delimiter">(</span>
<span id="L351" class="LineNr">351 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L352" class="LineNr">352 </span>      <span class="Constant">&quot;-a:\n&quot;</span>
<span id="L353" class="LineNr">353 </span>      <span class="Constant">&quot;    05  0x0d0c0b0a/imm32\n&quot;</span>
<span id="L354" class="LineNr">354 </span>  <span class="Delimiter">);</span>
<span id="L355" class="LineNr">355 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L356" class="LineNr">356 </span>      <span class="Constant">&quot;error: '-a' starts with '-', which can be confused with a negative number; use a different name\n&quot;</span>
<span id="L357" class="LineNr">357 </span>  <span class="Delimiter">);</span>
<span id="L358" class="LineNr">358 </span><span class="Delimiter">}</span>
<span id="L359" class="LineNr">359 </span>
<span id="L360" class="LineNr">360 </span><span class="Comment">//: As said up top, the 'Entry' label is special.</span>
<span id="L361" class="LineNr">361 </span><span class="Comment">//: It can be non-unique; the last declaration overrides earlier ones.</span>
<span id="L362" class="LineNr">362 </span><span class="Comment">//: It must exist in a program. Otherwise we don't know where to start running</span>
<span id="L363" class="LineNr">363 </span><span class="Comment">//: programs.</span>
<span id="L364" class="LineNr">364 </span>
<span id="L365" class="LineNr">365 </span><span class="Normal">void</span> <a href='035labels.cc.html#L365'>test_duplicate_Entry_label</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L366" class="LineNr">366 </span>  transform<span class="Delimiter">(</span>
<span id="L367" class="LineNr">367 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L368" class="LineNr">368 </span>      <span class="Constant">&quot;Entry:\n&quot;</span>
<span id="L369" class="LineNr">369 </span>      <span class="Constant">&quot;Entry:\n&quot;</span>
<span id="L370" class="LineNr">370 </span>      <span class="Constant">&quot;    05  0x0d0c0b0a/imm32\n&quot;</span>
<span id="L371" class="LineNr">371 </span>  <span class="Delimiter">);</span>
<span id="L372" class="LineNr">372 </span>  <a href='003trace.cc.html#L304'>CHECK_TRACE_DOESNT_CONTAIN_ERRORS</a><span class="Delimiter">();</span>
<span id="L373" class="LineNr">373 </span><span class="Delimiter">}</span>
<span id="L374" class="LineNr">374 </span>
<span id="L375" class="LineNr">375 </span><span class="Comment">// This test could do with some refactoring.</span>
<span id="L376" class="LineNr">376 </span><span class="Comment">// We're duplicating the flow inside `subx translate`, but without</span>
<span id="L377" class="LineNr">377 </span><span class="Comment">// reading/writing files.</span>
<span id="L378" class="LineNr">378 </span><span class="Comment">// We can't just use run(string) because most of our tests allow programs</span>
<span id="L379" class="LineNr">379 </span><span class="Comment">// without 'Entry' labels, as a convenience.</span>
<span id="L380" class="LineNr">380 </span><span class="Normal">void</span> <a href='035labels.cc.html#L380'>test_programs_without_Entry_label</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L381" class="LineNr">381 </span>  <span class="Special">Hide_errors</span> = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L382" class="LineNr">382 </span>  program p<span class="Delimiter">;</span>
<span id="L383" class="LineNr">383 </span>  istringstream in<span class="Delimiter">(</span>
<span id="L384" class="LineNr">384 </span>      <span class="Constant">&quot;== code 0x1\n&quot;</span>
<span id="L385" class="LineNr">385 </span>      <span class="Constant">&quot;05 0x0d0c0b0a/imm32\n&quot;</span>
<span id="L386" class="LineNr">386 </span>      <span class="Constant">&quot;05 0x0d0c0b0a/imm32\n&quot;</span>
<span id="L387" class="LineNr">387 </span>  <span class="Delimiter">);</span>
<span id="L388" class="LineNr">388 </span>  parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span>
<span id="L389" class="LineNr">389 </span>  transform<span class="Delimiter">(</span>p<span class="Delimiter">);</span>
<span id="L390" class="LineNr">390 </span>  ostringstream dummy<span class="Delimiter">;</span>
<span id="L391" class="LineNr">391 </span>  save_elf<span class="Delimiter">(</span>p<span class="Delimiter">,</span> dummy<span class="Delimiter">);</span>
<span id="L392" class="LineNr">392 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L393" class="LineNr">393 </span>      <span class="Constant">&quot;error: no 'Entry' label found\n&quot;</span>
<span id="L394" class="LineNr">394 </span>  <span class="Delimiter">);</span>
<span id="L395" class="LineNr">395 </span><span class="Delimiter">}</span>
<span id="L396" class="LineNr">396 </span>
<span id="L397" class="LineNr">397 </span><span class="Comment">//: now that we have labels, we need to adjust segment size computation to</span>
<span id="L398" class="LineNr">398 </span><span class="Comment">//: ignore them.</span>
<span id="L399" class="LineNr">399 </span>
<span id="L400" class="LineNr">400 </span><span class="Normal">void</span> <a href='035labels.cc.html#L400'>test_segment_size_ignores_labels</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L401" class="LineNr">401 </span>  transform<span class="Delimiter">(</span>
<span id="L402" class="LineNr">402 </span>      <span class="Constant">&quot;== code 0x09000074\n&quot;</span>
<span id="L403" class="LineNr">403 </span>      <span class="Constant">&quot;  05/add  0x0d0c0b0a/imm32\n&quot;</span>  <span class="Comment">// 5 bytes</span>
<span id="L404" class="LineNr">404 </span>      <span class="Constant">&quot;foo:\n&quot;</span>                        <span class="Comment">// 0 bytes</span>
<span id="L405" class="LineNr">405 </span>      <span class="Constant">&quot;== data 0x0a000000\n&quot;</span>
<span id="L406" class="LineNr">406 </span>      <span class="Constant">&quot;bar:\n&quot;</span>
<span id="L407" class="LineNr">407 </span>      <span class="Constant">&quot;  00\n&quot;</span>
<span id="L408" class="LineNr">408 </span>  <span class="Delimiter">);</span>
<span id="L409" class="LineNr">409 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L410" class="LineNr">410 </span>      <span class="Constant">&quot;transform: segment 1 begins at address 0x0a000079\n&quot;</span>
<span id="L411" class="LineNr">411 </span>  <span class="Delimiter">);</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="Delimiter">:(before &quot;End size_of(word w) Special-cases&quot;)</span>
<span id="L415" class="LineNr">415 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='035labels.cc.html#L213'>is_label</a><span class="Delimiter">(</span>w<span class="Delimiter">))</span>
<span id="L416" class="LineNr">416 </span>  <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-08-18 08:31:29 +0000