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
|
<!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 - 062write-stream.subx</title>
<meta name="Generator" content="Vim/8.1">
<meta name="plugin-version" content="vim8.1_v1">
<meta name="syntax" content="none">
<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal-light">
<style type="text/css">
<!--
pre { 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; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.CommentedCode { color: #8a8a8a; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxMinorFunction { color: #875f5f; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</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/062write-stream.subx'>https://github.com/akkartik/mu/blob/master/062write-stream.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># write-stream: like write, but write streams rather than strings</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span>== code
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 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="L7" class="LineNr"> 7 </span>
<span id="L8" class="LineNr"> 8 </span><span class="CommentedCode">#? Entry: # manual test</span>
<span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? # write-stream(stdout, _test-stream2)</span>
<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? 68/push _test-stream2/imm32</span>
<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? 68/push 1/imm32/stdout</span>
<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? e8/call write-stream/disp32</span>
<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span>
<span id="L14" class="LineNr"> 14 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/ebx Num-test-failures/disp32 # copy *Num-test-failures to ebx</span>
<span id="L15" class="LineNr"> 15 </span><span class="CommentedCode">#? b8/copy-to-eax 1/imm32/exit</span>
<span id="L16" class="LineNr"> 16 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span>
<span id="L17" class="LineNr"> 17 </span>
<span id="L18" class="LineNr"> 18 </span><span class="subxFunction">write-stream</span>: <span class="subxComment"># f : fd or (address stream), s : (address stream) -> <void></span>
<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . prolog</span>
<span id="L20" class="LineNr"> 20 </span> 55/push-ebp
<span id="L21" class="LineNr"> 21 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># if (f < 0x08000000) _write-stream(f, s), return # f can't be a user-mode address, so treat it as a kernel file descriptor</span>
<span id="L23" class="LineNr"> 23 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(ebp+8)</span>
<span id="L24" class="LineNr"> 24 </span> 73/jump-if-greater-unsigned-or-equal $write-stream:fake/disp8
<span id="L25" class="LineNr"> 25 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L26" class="LineNr"> 26 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span>
<span id="L27" class="LineNr"> 27 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span>
<span id="L28" class="LineNr"> 28 </span> <span class="subxS2Comment"># . . call</span>
<span id="L29" class="LineNr"> 29 </span> e8/call <a href='062write-stream.subx.html#L78'>_write-stream</a>/disp32
<span id="L30" class="LineNr"> 30 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L31" class="LineNr"> 31 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L32" class="LineNr"> 32 </span> eb/jump $write-stream:end/disp8
<span id="L33" class="LineNr"> 33 </span><span class="Constant">$write-stream:fake</span>:
<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span>
<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L36" class="LineNr"> 36 </span> 50/push-eax
<span id="L37" class="LineNr"> 37 </span> 56/push-esi
<span id="L38" class="LineNr"> 38 </span> 57/push-edi
<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># edi = f</span>
<span id="L40" class="LineNr"> 40 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># esi = s</span>
<span id="L42" class="LineNr"> 42 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span>
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># eax = _append-4(&f->data[f->write], &f->data[f->length], &s->data[s->read], &s->data[s->write])</span>
<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . push &s->data[s->write]</span>
<span id="L45" class="LineNr"> 45 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to eax</span>
<span id="L46" class="LineNr"> 46 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to eax</span>
<span id="L47" class="LineNr"> 47 </span> 50/push-eax
<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . push &s->data[s->read]</span>
<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to eax</span>
<span id="L50" class="LineNr"> 50 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to eax</span>
<span id="L51" class="LineNr"> 51 </span> 50/push-eax
<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . push &f->data[f->length]</span>
<span id="L53" class="LineNr"> 53 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to eax</span>
<span id="L54" class="LineNr"> 54 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+eax+12 to eax</span>
<span id="L55" class="LineNr"> 55 </span> 50/push-eax
<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span>
<span id="L57" class="LineNr"> 57 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to eax</span>
<span id="L58" class="LineNr"> 58 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+eax+12 to eax</span>
<span id="L59" class="LineNr"> 59 </span> 50/push-eax
<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . call</span>
<span id="L61" class="LineNr"> 61 </span> e8/call <a href='056trace.subx.html#L913'>_append-4</a>/disp32
<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L63" class="LineNr"> 63 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span>
<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># f->write += eax</span>
<span id="L65" class="LineNr"> 65 </span> 01/add 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to *edi</span>
<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># s->read += eax</span>
<span id="L67" class="LineNr"> 67 </span> 01/add 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># add eax to *(esi+4)</span>
<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L69" class="LineNr"> 69 </span> 5f/pop-to-edi
<span id="L70" class="LineNr"> 70 </span> 5e/pop-to-esi
<span id="L71" class="LineNr"> 71 </span> 58/pop-to-eax
<span id="L72" class="LineNr"> 72 </span><span class="Constant">$write-stream:end</span>:
<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . epilog</span>
<span id="L74" class="LineNr"> 74 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L75" class="LineNr"> 75 </span> 5d/pop-to-ebp
<span id="L76" class="LineNr"> 76 </span> c3/return
<span id="L77" class="LineNr"> 77 </span>
<span id="L78" class="LineNr"> 78 </span><span class="subxMinorFunction">_write-stream</span>: <span class="subxComment"># fd : int, s : (address stream) -> <void></span>
<span id="L79" class="LineNr"> 79 </span> <span class="subxS1Comment"># . prolog</span>
<span id="L80" class="LineNr"> 80 </span> 55/push-ebp
<span id="L81" class="LineNr"> 81 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L82" class="LineNr"> 82 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L83" class="LineNr"> 83 </span> 50/push-eax
<span id="L84" class="LineNr"> 84 </span> 51/push-ecx
<span id="L85" class="LineNr"> 85 </span> 52/push-edx
<span id="L86" class="LineNr"> 86 </span> 53/push-ebx
<span id="L87" class="LineNr"> 87 </span> 56/push-esi
<span id="L88" class="LineNr"> 88 </span> 57/push-edi
<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># esi = s</span>
<span id="L90" class="LineNr"> 90 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span>
<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># edi = s->read</span>
<span id="L92" class="LineNr"> 92 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to edi</span>
<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># edx = s->write</span>
<span id="L94" class="LineNr"> 94 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to edx</span>
<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># syscall(write, fd, &s->data[s->read], s->write - s->read)</span>
<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . fd : ebx</span>
<span id="L97" class="LineNr"> 97 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ebx</span>
<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . data : ecx = &s->data[s->read]</span>
<span id="L99" class="LineNr"> 99 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 7/index/edi <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+edi+12 to ecx</span>
<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . size : edx = s->write - s->read</span>
<span id="L101" class="LineNr">101 </span> 29/subtract 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract edi from edx</span>
<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . syscall</span>
<span id="L103" class="LineNr">103 </span> b8/copy-to-eax 4/imm32/write
<span id="L104" class="LineNr">104 </span> cd/syscall 0x80/imm8
<span id="L105" class="LineNr">105 </span> <span class="subxComment"># if (eax < 0) abort</span>
<span id="L106" class="LineNr">106 </span> 3d/compare-eax-with 0/imm32
<span id="L107" class="LineNr">107 </span> 0f 8c/jump-if-lesser $_write-stream:abort/disp32
<span id="L108" class="LineNr">108 </span> <span class="subxComment"># s->read += eax</span>
<span id="L109" class="LineNr">109 </span> 01/add 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># add eax to *(esi+4)</span>
<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L111" class="LineNr">111 </span> 5f/pop-to-edi
<span id="L112" class="LineNr">112 </span> 5e/pop-to-esi
<span id="L113" class="LineNr">113 </span> 5b/pop-to-ebx
<span id="L114" class="LineNr">114 </span> 5a/pop-to-edx
<span id="L115" class="LineNr">115 </span> 59/pop-to-ecx
<span id="L116" class="LineNr">116 </span> 58/pop-to-eax
<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . epilog</span>
<span id="L118" class="LineNr">118 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L119" class="LineNr">119 </span> 5d/pop-to-ebp
<span id="L120" class="LineNr">120 </span> c3/return
<span id="L121" class="LineNr">121 </span>
<span id="L122" class="LineNr">122 </span><span class="Constant">$_write-stream:abort</span>:
<span id="L123" class="LineNr">123 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L125" class="LineNr">125 </span> 68/push <span class="Constant">"_write-stream: failed to <a href='057write.subx.html#L24'>write</a> to file\n"</span>/imm32
<span id="L126" class="LineNr">126 </span> 68/push 2/imm32/stderr
<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . call</span>
<span id="L128" class="LineNr">128 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32
<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L130" class="LineNr">130 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L132" class="LineNr">132 </span> bb/copy-to-ebx 1/imm32
<span id="L133" class="LineNr">133 </span> b8/copy-to-eax 1/imm32/exit
<span id="L134" class="LineNr">134 </span> cd/syscall 0x80/imm8
<span id="L135" class="LineNr">135 </span> <span class="subxComment"># never gets here</span>
<span id="L136" class="LineNr">136 </span>
<span id="L137" class="LineNr">137 </span><span class="subxTest">test-write-stream-single</span>:
<span id="L138" class="LineNr">138 </span> <span class="subxComment"># setup</span>
<span id="L139" class="LineNr">139 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L141" class="LineNr">141 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . call</span>
<span id="L143" class="LineNr">143 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L145" class="LineNr">145 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L146" class="LineNr">146 </span> <span class="subxS1Comment"># . clear-stream(_test-stream2)</span>
<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L148" class="LineNr">148 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . call</span>
<span id="L150" class="LineNr">150 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L152" class="LineNr">152 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L153" class="LineNr">153 </span> <span class="subxS1Comment"># . write(_test-stream2, "Ab")</span>
<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L155" class="LineNr">155 </span> 68/push <span class="Constant">"Ab"</span>/imm32
<span id="L156" class="LineNr">156 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span>
<span id="L158" class="LineNr">158 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32
<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L161" class="LineNr">161 </span> <span class="subxComment"># write-stream(_test-stream, _test-stream2)</span>
<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L163" class="LineNr">163 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L164" class="LineNr">164 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . call</span>
<span id="L166" class="LineNr">166 </span> e8/call <a href='062write-stream.subx.html#L18'>write-stream</a>/disp32
<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L168" class="LineNr">168 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L169" class="LineNr">169 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Ab", msg)</span>
<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L171" class="LineNr">171 </span> 68/push <span class="Constant">"F - test-write-stream-single"</span>/imm32
<span id="L172" class="LineNr">172 </span> 68/push <span class="Constant">"Ab"</span>/imm32
<span id="L173" class="LineNr">173 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . call</span>
<span id="L175" class="LineNr">175 </span> e8/call <a href='058stream-equal.subx.html#L193'>check-stream-equal</a>/disp32
<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L177" class="LineNr">177 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L178" class="LineNr">178 </span> <span class="subxS1Comment"># . end</span>
<span id="L179" class="LineNr">179 </span> c3/return
<span id="L180" class="LineNr">180 </span>
<span id="L181" class="LineNr">181 </span><span class="subxTest">test-write-stream-appends</span>:
<span id="L182" class="LineNr">182 </span> <span class="subxComment"># setup</span>
<span id="L183" class="LineNr">183 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L185" class="LineNr">185 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . call</span>
<span id="L187" class="LineNr">187 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L189" class="LineNr">189 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L190" class="LineNr">190 </span> <span class="subxS1Comment"># . clear-stream(_test-stream2)</span>
<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L192" class="LineNr">192 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . call</span>
<span id="L194" class="LineNr">194 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L196" class="LineNr">196 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L197" class="LineNr">197 </span> <span class="subxS1Comment"># . write(_test-stream2, "C")</span>
<span id="L198" class="LineNr">198 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L199" class="LineNr">199 </span> 68/push <span class="Constant">"C"</span>/imm32
<span id="L200" class="LineNr">200 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . call</span>
<span id="L202" class="LineNr">202 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32
<span id="L203" class="LineNr">203 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L204" class="LineNr">204 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L205" class="LineNr">205 </span> <span class="subxComment"># first write</span>
<span id="L206" class="LineNr">206 </span> <span class="subxS1Comment"># . write-stream(_test-stream, _test-stream2)</span>
<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L208" class="LineNr">208 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L209" class="LineNr">209 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . call</span>
<span id="L211" class="LineNr">211 </span> e8/call <a href='062write-stream.subx.html#L18'>write-stream</a>/disp32
<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L213" class="LineNr">213 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L214" class="LineNr">214 </span> <span class="subxComment"># second write</span>
<span id="L215" class="LineNr">215 </span> <span class="subxS1Comment"># . write(_test-stream2, "D")</span>
<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L217" class="LineNr">217 </span> 68/push <span class="Constant">"D"</span>/imm32
<span id="L218" class="LineNr">218 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . call</span>
<span id="L220" class="LineNr">220 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32
<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L222" class="LineNr">222 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L223" class="LineNr">223 </span> <span class="subxS1Comment"># . write-stream(_test-stream, _test-stream2)</span>
<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L225" class="LineNr">225 </span> 68/push <a href='062write-stream.subx.html#L245'>_test-stream2</a>/imm32
<span id="L226" class="LineNr">226 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . call</span>
<span id="L228" class="LineNr">228 </span> e8/call <a href='062write-stream.subx.html#L18'>write-stream</a>/disp32
<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L230" class="LineNr">230 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L231" class="LineNr">231 </span> <span class="subxComment"># check-stream-equal(_test-stream, "CD", msg)</span>
<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L233" class="LineNr">233 </span> 68/push <span class="Constant">"F - test-write-stream-appends"</span>/imm32
<span id="L234" class="LineNr">234 </span> 68/push <span class="Constant">"CD"</span>/imm32
<span id="L235" class="LineNr">235 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L236" class="LineNr">236 </span> <span class="subxS2Comment"># . . call</span>
<span id="L237" class="LineNr">237 </span> e8/call <a href='058stream-equal.subx.html#L193'>check-stream-equal</a>/disp32
<span id="L238" class="LineNr">238 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L239" class="LineNr">239 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L240" class="LineNr">240 </span> <span class="subxS1Comment"># . end</span>
<span id="L241" class="LineNr">241 </span> c3/return
<span id="L242" class="LineNr">242 </span>
<span id="L243" class="LineNr">243 </span>== data
<span id="L244" class="LineNr">244 </span>
<span id="L245" class="LineNr">245 </span><span class="subxMinorFunction">_test-stream2</span>:
<span id="L246" class="LineNr">246 </span> <span class="subxComment"># current write index</span>
<span id="L247" class="LineNr">247 </span> 4/imm32
<span id="L248" class="LineNr">248 </span> <span class="subxComment"># current read index</span>
<span id="L249" class="LineNr">249 </span> 1/imm32
<span id="L250" class="LineNr">250 </span> <span class="subxComment"># length</span>
<span id="L251" class="LineNr">251 </span> 8/imm32
<span id="L252" class="LineNr">252 </span> <span class="subxComment"># data</span>
<span id="L253" class="LineNr">253 </span> 41/A 42/B 43/C 44/D 00 00 00 00 <span class="subxComment"># 8 bytes</span>
<span id="L254" class="LineNr">254 </span>
<span id="L255" class="LineNr">255 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|