diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-12-04 00:29:06 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-12-04 00:29:06 -0800 |
| commit | cf02c20bb02f5d2fbfee5557baf68c0e2ca5a042 (patch) | |
| tree | 8f1d896a0134e8353ccf01add61fb6c732103861 /html/subx/058read.subx.html | |
| parent | 7cb326df5bb9739d948dd4f8b32019f1bf6e4ef3 (diff) | |
| download | mu-cf02c20bb02f5d2fbfee5557baf68c0e2ca5a042.tar.gz | |
4832
Let's start adding ':end' labels in all functions, just because it helps us visualize where function calls end in traces, thanks to the '--map' commandline argument.
Diffstat (limited to 'html/subx/058read.subx.html')
| -rw-r--r-- | html/subx/058read.subx.html | 437 |
1 files changed, 219 insertions, 218 deletions
diff --git a/html/subx/058read.subx.html b/html/subx/058read.subx.html index 5be566bb..c80afd2e 100644 --- a/html/subx/058read.subx.html +++ b/html/subx/058read.subx.html @@ -211,224 +211,225 @@ if ('onhashchange' in window) { <span id="L145" class="LineNr">145 </span> cd/syscall 0x80/imm8 <span id="L146" class="LineNr">146 </span> <span class="subxComment"># add the result EAX to s->write</span> <span id="L147" class="LineNr">147 </span> 01/add 0/mod/indirect 6/rm32/ESI <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0/r32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># add EAX to *ESI</span> -<span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L149" class="LineNr">149 </span> 5e/pop-to-ESI -<span id="L150" class="LineNr">150 </span> 5b/pop-to-EBX -<span id="L151" class="LineNr">151 </span> 5a/pop-to-EDX -<span id="L152" class="LineNr">152 </span> 59/pop-to-ECX -<span id="L153" class="LineNr">153 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L154" class="LineNr">154 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 5/r32/EBP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L155" class="LineNr">155 </span> 5d/pop-to-EBP -<span id="L156" class="LineNr">156 </span> c3/return -<span id="L157" class="LineNr">157 </span> -<span id="L158" class="LineNr">158 </span> <span class="subxComment"># Two options:</span> -<span id="L159" class="LineNr">159 </span> <span class="subxComment"># 1 (what we have above):</span> -<span id="L160" class="LineNr">160 </span> <span class="subxComment"># ECX = s</span> -<span id="L161" class="LineNr">161 </span> <span class="subxComment"># EAX = s->write</span> -<span id="L162" class="LineNr">162 </span> <span class="subxComment"># EDX = s->length</span> -<span id="L163" class="LineNr">163 </span> <span class="subxComment"># # syscall</span> -<span id="L164" class="LineNr">164 </span> <span class="subxComment"># ECX = lea ECX+EAX+12</span> -<span id="L165" class="LineNr">165 </span> <span class="subxComment"># EDX = sub EDX EAX</span> -<span id="L166" class="LineNr">166 </span> <span class="subxComment">#</span> -<span id="L167" class="LineNr">167 </span> <span class="subxComment"># 2:</span> -<span id="L168" class="LineNr">168 </span> <span class="subxComment"># ECX = s</span> -<span id="L169" class="LineNr">169 </span> <span class="subxComment"># EDX = s->length</span> -<span id="L170" class="LineNr">170 </span> <span class="subxComment"># ECX = &s->data</span> -<span id="L171" class="LineNr">171 </span> <span class="subxComment"># # syscall</span> -<span id="L172" class="LineNr">172 </span> <span class="subxComment"># ECX = add ECX, s->write</span> -<span id="L173" class="LineNr">173 </span> <span class="subxComment"># EDX = sub EDX, s->write</span> -<span id="L174" class="LineNr">174 </span> <span class="subxComment">#</span> -<span id="L175" class="LineNr">175 </span> <span class="subxComment"># Not much to choose between the two? Option 2 performs a duplicate load to</span> -<span id="L176" class="LineNr">176 </span> <span class="subxComment"># use one less register, but doesn't increase the amount of spilling (ECX</span> -<span id="L177" class="LineNr">177 </span> <span class="subxComment"># and EDX must be used, and EAX must be clobbered anyway).</span> -<span id="L178" class="LineNr">178 </span> -<span id="L179" class="LineNr">179 </span><span class="subxH1Comment"># - tests</span> -<span id="L180" class="LineNr">180 </span> -<span id="L181" class="LineNr">181 </span><span class="subxTest">test-read-single</span>: -<span id="L182" class="LineNr">182 </span> <span class="subxH1Comment"># - write a single character into _test-stream, then read from its buffered-file</span> -<span id="L183" class="LineNr">183 </span> <span class="subxComment"># 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 _test-stream/imm32 -<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . call</span> -<span id="L187" class="LineNr">187 </span> e8/call clear-stream/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="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L190" class="LineNr">190 </span> <span class="subxComment"># clear-stream(_test-stream-buffer)</span> -<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L192" class="LineNr">192 </span> 68/push _test-stream-buffer/imm32 -<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . call</span> -<span id="L194" class="LineNr">194 </span> e8/call clear-stream/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="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L197" class="LineNr">197 </span> <span class="subxComment"># write(_test-stream, "Ab")</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">"Ab"</span>/imm32 -<span id="L200" class="LineNr">200 </span> 68/push _test-stream/imm32 -<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . call</span> -<span id="L202" class="LineNr">202 </span> e8/call write/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="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L205" class="LineNr">205 </span> <span class="subxComment"># read(_test-stream, _test-stream-buffer)</span> -<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L207" class="LineNr">207 </span> 68/push _test-stream-buffer/imm32 -<span id="L208" class="LineNr">208 </span> 68/push _test-stream/imm32 -<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . call</span> -<span id="L210" class="LineNr">210 </span> e8/call read/disp32 -<span id="L211" class="LineNr">211 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L212" class="LineNr">212 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L213" class="LineNr">213 </span> <span class="subxComment"># check-ints-equal(EAX, 2, msg)</span> -<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L215" class="LineNr">215 </span> 68/push <span class="Constant">"F - test-read-single: return EAX"</span>/imm32 -<span id="L216" class="LineNr">216 </span> 68/push 2/imm32 -<span id="L217" class="LineNr">217 </span> 50/push-EAX -<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . call</span> -<span id="L219" class="LineNr">219 </span> e8/call check-ints-equal/disp32 -<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L221" class="LineNr">221 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L222" class="LineNr">222 </span> <span class="subxComment"># check-ints-equal(*_test-stream-buffer->data, 41/A 62/b 00 00, msg)</span> -<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L224" class="LineNr">224 </span> 68/push <span class="Constant">"F - test-read-single"</span>/imm32 -<span id="L225" class="LineNr">225 </span> 68/push 0x006241/imm32/Ab -<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . push *_test-stream-buffer->data</span> -<span id="L227" class="LineNr">227 </span> b8/copy-to-EAX _test-stream-buffer/imm32 -<span id="L228" class="LineNr">228 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . call</span> -<span id="L230" class="LineNr">230 </span> e8/call check-ints-equal/disp32 -<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L232" class="LineNr">232 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L233" class="LineNr">233 </span> <span class="subxComment"># end</span> -<span id="L234" class="LineNr">234 </span> c3/return -<span id="L235" class="LineNr">235 </span> -<span id="L236" class="LineNr">236 </span><span class="subxTest">test-read-is-stateful</span>: -<span id="L237" class="LineNr">237 </span> <span class="subxH1Comment"># - make two consecutive reads, check that their results are appended</span> -<span id="L238" class="LineNr">238 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L239" class="LineNr">239 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L240" class="LineNr">240 </span> 68/push _test-stream/imm32 -<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . call</span> -<span id="L242" class="LineNr">242 </span> e8/call clear-stream/disp32 -<span id="L243" class="LineNr">243 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L244" class="LineNr">244 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L245" class="LineNr">245 </span> <span class="subxComment"># clear-stream(_test-stream-buffer)</span> -<span id="L246" class="LineNr">246 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L247" class="LineNr">247 </span> 68/push _test-stream-buffer/imm32 -<span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . call</span> -<span id="L249" class="LineNr">249 </span> e8/call clear-stream/disp32 -<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L251" class="LineNr">251 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L252" class="LineNr">252 </span> <span class="subxComment"># write(_test-stream, "C")</span> -<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L254" class="LineNr">254 </span> 68/push <span class="Constant">"C"</span>/imm32 -<span id="L255" class="LineNr">255 </span> 68/push _test-stream/imm32 -<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . call</span> -<span id="L257" class="LineNr">257 </span> e8/call write/disp32 -<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L259" class="LineNr">259 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L260" class="LineNr">260 </span> <span class="subxComment"># read(_test-stream, _test-stream-buffer)</span> -<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L262" class="LineNr">262 </span> 68/push _test-stream-buffer/imm32 -<span id="L263" class="LineNr">263 </span> 68/push _test-stream/imm32 -<span id="L264" class="LineNr">264 </span> <span class="subxS2Comment"># . . call</span> -<span id="L265" class="LineNr">265 </span> e8/call read/disp32 -<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L267" class="LineNr">267 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L268" class="LineNr">268 </span> <span class="subxComment"># write(_test-stream, "D")</span> -<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L270" class="LineNr">270 </span> 68/push <span class="Constant">"D"</span>/imm32 -<span id="L271" class="LineNr">271 </span> 68/push _test-stream/imm32 -<span id="L272" class="LineNr">272 </span> <span class="subxS2Comment"># . . call</span> -<span id="L273" class="LineNr">273 </span> e8/call write/disp32 -<span id="L274" class="LineNr">274 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L275" class="LineNr">275 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L276" class="LineNr">276 </span> <span class="subxComment"># read(_test-stream, _test-stream-buffer)</span> -<span id="L277" class="LineNr">277 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L278" class="LineNr">278 </span> 68/push _test-stream-buffer/imm32 -<span id="L279" class="LineNr">279 </span> 68/push _test-stream/imm32 -<span id="L280" class="LineNr">280 </span> <span class="subxS2Comment"># . . call</span> -<span id="L281" class="LineNr">281 </span> e8/call read/disp32 -<span id="L282" class="LineNr">282 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L283" class="LineNr">283 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L284" class="LineNr">284 </span> <span class="subxComment"># check-ints-equal(*_test-stream-buffer->data, 43/C 44/D 00 00, msg)</span> -<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L286" class="LineNr">286 </span> 68/push <span class="Constant">"F - test-read-is-stateful"</span>/imm32 -<span id="L287" class="LineNr">287 </span> 68/push 0x00004443/imm32/C-D -<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . push *_test-stream-buffer->data</span> -<span id="L289" class="LineNr">289 </span> b8/copy-to-EAX _test-stream-buffer/imm32 -<span id="L290" class="LineNr">290 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L291" class="LineNr">291 </span> <span class="subxS2Comment"># . . call</span> -<span id="L292" class="LineNr">292 </span> e8/call check-ints-equal/disp32 -<span id="L293" class="LineNr">293 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L294" class="LineNr">294 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L295" class="LineNr">295 </span> <span class="subxComment"># end</span> -<span id="L296" class="LineNr">296 </span> c3/return -<span id="L297" class="LineNr">297 </span> -<span id="L298" class="LineNr">298 </span><span class="subxTest">test-read-returns-0-on-end-of-file</span>: -<span id="L299" class="LineNr">299 </span> <span class="subxH1Comment"># - read after hitting end-of-file, check that result is 0</span> -<span id="L300" class="LineNr">300 </span> <span class="subxComment"># setup</span> -<span id="L301" class="LineNr">301 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L302" class="LineNr">302 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L303" class="LineNr">303 </span> 68/push _test-stream/imm32 -<span id="L304" class="LineNr">304 </span> <span class="subxS2Comment"># . . call</span> -<span id="L305" class="LineNr">305 </span> e8/call clear-stream/disp32 -<span id="L306" class="LineNr">306 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L307" class="LineNr">307 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L308" class="LineNr">308 </span> <span class="subxS1Comment"># . clear-stream(_test-stream-buffer)</span> -<span id="L309" class="LineNr">309 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L310" class="LineNr">310 </span> 68/push _test-stream-buffer/imm32 -<span id="L311" class="LineNr">311 </span> <span class="subxS2Comment"># . . call</span> -<span id="L312" class="LineNr">312 </span> e8/call clear-stream/disp32 -<span id="L313" class="LineNr">313 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L314" class="LineNr">314 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L315" class="LineNr">315 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> -<span id="L316" class="LineNr">316 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L317" class="LineNr">317 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L318" class="LineNr">318 </span> 68/push _test-stream/imm32 -<span id="L319" class="LineNr">319 </span> <span class="subxS2Comment"># . . call</span> -<span id="L320" class="LineNr">320 </span> e8/call write/disp32 -<span id="L321" class="LineNr">321 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L322" class="LineNr">322 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L323" class="LineNr">323 </span> <span class="subxComment"># first read gets to end-of-file</span> -<span id="L324" class="LineNr">324 </span> <span class="subxS1Comment"># . read(_test-stream, _test-stream-buffer)</span> -<span id="L325" class="LineNr">325 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L326" class="LineNr">326 </span> 68/push _test-stream-buffer/imm32 -<span id="L327" class="LineNr">327 </span> 68/push _test-stream/imm32 -<span id="L328" class="LineNr">328 </span> <span class="subxS2Comment"># . . call</span> -<span id="L329" class="LineNr">329 </span> e8/call read/disp32 -<span id="L330" class="LineNr">330 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L331" class="LineNr">331 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L332" class="LineNr">332 </span> <span class="subxComment"># second read</span> -<span id="L333" class="LineNr">333 </span> <span class="subxS1Comment"># . read(_test-stream, _test-stream-buffer)</span> -<span id="L334" class="LineNr">334 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L335" class="LineNr">335 </span> 68/push _test-stream-buffer/imm32 -<span id="L336" class="LineNr">336 </span> 68/push _test-stream/imm32 -<span id="L337" class="LineNr">337 </span> <span class="subxS2Comment"># . . call</span> -<span id="L338" class="LineNr">338 </span> e8/call read/disp32 -<span id="L339" class="LineNr">339 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L340" class="LineNr">340 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L341" class="LineNr">341 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L342" class="LineNr">342 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L343" class="LineNr">343 </span> 68/push <span class="Constant">"F - test-read-returns-0-on-end-of-file"</span>/imm32 -<span id="L344" class="LineNr">344 </span> 68/push 0/imm32 -<span id="L345" class="LineNr">345 </span> 50/push-EAX -<span id="L346" class="LineNr">346 </span> <span class="subxS2Comment"># . . call</span> -<span id="L347" class="LineNr">347 </span> e8/call check-ints-equal/disp32 -<span id="L348" class="LineNr">348 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L349" class="LineNr">349 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L350" class="LineNr">350 </span> <span class="subxComment"># end</span> -<span id="L351" class="LineNr">351 </span> c3/return -<span id="L352" class="LineNr">352 </span> -<span id="L353" class="LineNr">353 </span>== data -<span id="L354" class="LineNr">354 </span> -<span id="L355" class="LineNr">355 </span><span class="subxMinorFunction">_test-stream-buffer</span>: -<span id="L356" class="LineNr">356 </span> <span class="subxComment"># current write index</span> -<span id="L357" class="LineNr">357 </span> 00 00 00 00 -<span id="L358" class="LineNr">358 </span> <span class="subxComment"># current read index</span> -<span id="L359" class="LineNr">359 </span> 00 00 00 00 -<span id="L360" class="LineNr">360 </span> <span class="subxComment"># length (= 8)</span> -<span id="L361" class="LineNr">361 </span> 08 00 00 00 -<span id="L362" class="LineNr">362 </span> <span class="subxComment"># data</span> -<span id="L363" class="LineNr">363 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L364" class="LineNr">364 </span> -<span id="L365" class="LineNr">365 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L148" class="LineNr">148 </span><span class="Constant">$_read:end</span>: +<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L150" class="LineNr">150 </span> 5e/pop-to-ESI +<span id="L151" class="LineNr">151 </span> 5b/pop-to-EBX +<span id="L152" class="LineNr">152 </span> 5a/pop-to-EDX +<span id="L153" class="LineNr">153 </span> 59/pop-to-ECX +<span id="L154" class="LineNr">154 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L155" class="LineNr">155 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 5/r32/EBP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L156" class="LineNr">156 </span> 5d/pop-to-EBP +<span id="L157" class="LineNr">157 </span> c3/return +<span id="L158" class="LineNr">158 </span> +<span id="L159" class="LineNr">159 </span> <span class="subxComment"># Two options:</span> +<span id="L160" class="LineNr">160 </span> <span class="subxComment"># 1 (what we have above):</span> +<span id="L161" class="LineNr">161 </span> <span class="subxComment"># ECX = s</span> +<span id="L162" class="LineNr">162 </span> <span class="subxComment"># EAX = s->write</span> +<span id="L163" class="LineNr">163 </span> <span class="subxComment"># EDX = s->length</span> +<span id="L164" class="LineNr">164 </span> <span class="subxComment"># # syscall</span> +<span id="L165" class="LineNr">165 </span> <span class="subxComment"># ECX = lea ECX+EAX+12</span> +<span id="L166" class="LineNr">166 </span> <span class="subxComment"># EDX = sub EDX EAX</span> +<span id="L167" class="LineNr">167 </span> <span class="subxComment">#</span> +<span id="L168" class="LineNr">168 </span> <span class="subxComment"># 2:</span> +<span id="L169" class="LineNr">169 </span> <span class="subxComment"># ECX = s</span> +<span id="L170" class="LineNr">170 </span> <span class="subxComment"># EDX = s->length</span> +<span id="L171" class="LineNr">171 </span> <span class="subxComment"># ECX = &s->data</span> +<span id="L172" class="LineNr">172 </span> <span class="subxComment"># # syscall</span> +<span id="L173" class="LineNr">173 </span> <span class="subxComment"># ECX = add ECX, s->write</span> +<span id="L174" class="LineNr">174 </span> <span class="subxComment"># EDX = sub EDX, s->write</span> +<span id="L175" class="LineNr">175 </span> <span class="subxComment">#</span> +<span id="L176" class="LineNr">176 </span> <span class="subxComment"># Not much to choose between the two? Option 2 performs a duplicate load to</span> +<span id="L177" class="LineNr">177 </span> <span class="subxComment"># use one less register, but doesn't increase the amount of spilling (ECX</span> +<span id="L178" class="LineNr">178 </span> <span class="subxComment"># and EDX must be used, and EAX must be clobbered anyway).</span> +<span id="L179" class="LineNr">179 </span> +<span id="L180" class="LineNr">180 </span><span class="subxH1Comment"># - tests</span> +<span id="L181" class="LineNr">181 </span> +<span id="L182" class="LineNr">182 </span><span class="subxTest">test-read-single</span>: +<span id="L183" class="LineNr">183 </span> <span class="subxH1Comment"># - write a single character into _test-stream, then read from its buffered-file</span> +<span id="L184" class="LineNr">184 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L186" class="LineNr">186 </span> 68/push _test-stream/imm32 +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . call</span> +<span id="L188" class="LineNr">188 </span> e8/call clear-stream/disp32 +<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L190" class="LineNr">190 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L191" class="LineNr">191 </span> <span class="subxComment"># clear-stream(_test-stream-buffer)</span> +<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L193" class="LineNr">193 </span> 68/push _test-stream-buffer/imm32 +<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . call</span> +<span id="L195" class="LineNr">195 </span> e8/call clear-stream/disp32 +<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L197" class="LineNr">197 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L198" class="LineNr">198 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L200" class="LineNr">200 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L201" class="LineNr">201 </span> 68/push _test-stream/imm32 +<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . call</span> +<span id="L203" class="LineNr">203 </span> e8/call write/disp32 +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L205" class="LineNr">205 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L206" class="LineNr">206 </span> <span class="subxComment"># read(_test-stream, _test-stream-buffer)</span> +<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L208" class="LineNr">208 </span> 68/push _test-stream-buffer/imm32 +<span id="L209" class="LineNr">209 </span> 68/push _test-stream/imm32 +<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . call</span> +<span id="L211" class="LineNr">211 </span> e8/call read/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="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L214" class="LineNr">214 </span> <span class="subxComment"># check-ints-equal(EAX, 2, msg)</span> +<span id="L215" class="LineNr">215 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L216" class="LineNr">216 </span> 68/push <span class="Constant">"F - test-read-single: return EAX"</span>/imm32 +<span id="L217" class="LineNr">217 </span> 68/push 2/imm32 +<span id="L218" class="LineNr">218 </span> 50/push-EAX +<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . call</span> +<span id="L220" class="LineNr">220 </span> e8/call check-ints-equal/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="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L223" class="LineNr">223 </span> <span class="subxComment"># check-ints-equal(*_test-stream-buffer->data, 41/A 62/b 00 00, msg)</span> +<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L225" class="LineNr">225 </span> 68/push <span class="Constant">"F - test-read-single"</span>/imm32 +<span id="L226" class="LineNr">226 </span> 68/push 0x006241/imm32/Ab +<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . push *_test-stream-buffer->data</span> +<span id="L228" class="LineNr">228 </span> b8/copy-to-EAX _test-stream-buffer/imm32 +<span id="L229" class="LineNr">229 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . call</span> +<span id="L231" class="LineNr">231 </span> e8/call check-ints-equal/disp32 +<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L233" class="LineNr">233 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L234" class="LineNr">234 </span> <span class="subxComment"># end</span> +<span id="L235" class="LineNr">235 </span> c3/return +<span id="L236" class="LineNr">236 </span> +<span id="L237" class="LineNr">237 </span><span class="subxTest">test-read-is-stateful</span>: +<span id="L238" class="LineNr">238 </span> <span class="subxH1Comment"># - make two consecutive reads, check that their results are appended</span> +<span id="L239" class="LineNr">239 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L241" class="LineNr">241 </span> 68/push _test-stream/imm32 +<span id="L242" class="LineNr">242 </span> <span class="subxS2Comment"># . . call</span> +<span id="L243" class="LineNr">243 </span> e8/call clear-stream/disp32 +<span id="L244" class="LineNr">244 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L245" class="LineNr">245 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L246" class="LineNr">246 </span> <span class="subxComment"># clear-stream(_test-stream-buffer)</span> +<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L248" class="LineNr">248 </span> 68/push _test-stream-buffer/imm32 +<span id="L249" class="LineNr">249 </span> <span class="subxS2Comment"># . . call</span> +<span id="L250" class="LineNr">250 </span> e8/call clear-stream/disp32 +<span id="L251" class="LineNr">251 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L252" class="LineNr">252 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L253" class="LineNr">253 </span> <span class="subxComment"># write(_test-stream, "C")</span> +<span id="L254" class="LineNr">254 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L255" class="LineNr">255 </span> 68/push <span class="Constant">"C"</span>/imm32 +<span id="L256" class="LineNr">256 </span> 68/push _test-stream/imm32 +<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . call</span> +<span id="L258" class="LineNr">258 </span> e8/call write/disp32 +<span id="L259" class="LineNr">259 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L260" class="LineNr">260 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L261" class="LineNr">261 </span> <span class="subxComment"># read(_test-stream, _test-stream-buffer)</span> +<span id="L262" class="LineNr">262 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L263" class="LineNr">263 </span> 68/push _test-stream-buffer/imm32 +<span id="L264" class="LineNr">264 </span> 68/push _test-stream/imm32 +<span id="L265" class="LineNr">265 </span> <span class="subxS2Comment"># . . call</span> +<span id="L266" class="LineNr">266 </span> e8/call read/disp32 +<span id="L267" class="LineNr">267 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L268" class="LineNr">268 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L269" class="LineNr">269 </span> <span class="subxComment"># write(_test-stream, "D")</span> +<span id="L270" class="LineNr">270 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L271" class="LineNr">271 </span> 68/push <span class="Constant">"D"</span>/imm32 +<span id="L272" class="LineNr">272 </span> 68/push _test-stream/imm32 +<span id="L273" class="LineNr">273 </span> <span class="subxS2Comment"># . . call</span> +<span id="L274" class="LineNr">274 </span> e8/call write/disp32 +<span id="L275" class="LineNr">275 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L276" class="LineNr">276 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L277" class="LineNr">277 </span> <span class="subxComment"># read(_test-stream, _test-stream-buffer)</span> +<span id="L278" class="LineNr">278 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L279" class="LineNr">279 </span> 68/push _test-stream-buffer/imm32 +<span id="L280" class="LineNr">280 </span> 68/push _test-stream/imm32 +<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . call</span> +<span id="L282" class="LineNr">282 </span> e8/call read/disp32 +<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L284" class="LineNr">284 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L285" class="LineNr">285 </span> <span class="subxComment"># check-ints-equal(*_test-stream-buffer->data, 43/C 44/D 00 00, msg)</span> +<span id="L286" class="LineNr">286 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L287" class="LineNr">287 </span> 68/push <span class="Constant">"F - test-read-is-stateful"</span>/imm32 +<span id="L288" class="LineNr">288 </span> 68/push 0x00004443/imm32/C-D +<span id="L289" class="LineNr">289 </span> <span class="subxS2Comment"># . . push *_test-stream-buffer->data</span> +<span id="L290" class="LineNr">290 </span> b8/copy-to-EAX _test-stream-buffer/imm32 +<span id="L291" class="LineNr">291 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . call</span> +<span id="L293" class="LineNr">293 </span> e8/call check-ints-equal/disp32 +<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L295" class="LineNr">295 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L296" class="LineNr">296 </span> <span class="subxComment"># end</span> +<span id="L297" class="LineNr">297 </span> c3/return +<span id="L298" class="LineNr">298 </span> +<span id="L299" class="LineNr">299 </span><span class="subxTest">test-read-returns-0-on-end-of-file</span>: +<span id="L300" class="LineNr">300 </span> <span class="subxH1Comment"># - read after hitting end-of-file, check that result is 0</span> +<span id="L301" class="LineNr">301 </span> <span class="subxComment"># setup</span> +<span id="L302" class="LineNr">302 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L303" class="LineNr">303 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L304" class="LineNr">304 </span> 68/push _test-stream/imm32 +<span id="L305" class="LineNr">305 </span> <span class="subxS2Comment"># . . call</span> +<span id="L306" class="LineNr">306 </span> e8/call clear-stream/disp32 +<span id="L307" class="LineNr">307 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L308" class="LineNr">308 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L309" class="LineNr">309 </span> <span class="subxS1Comment"># . clear-stream(_test-stream-buffer)</span> +<span id="L310" class="LineNr">310 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L311" class="LineNr">311 </span> 68/push _test-stream-buffer/imm32 +<span id="L312" class="LineNr">312 </span> <span class="subxS2Comment"># . . call</span> +<span id="L313" class="LineNr">313 </span> e8/call clear-stream/disp32 +<span id="L314" class="LineNr">314 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L315" class="LineNr">315 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L316" class="LineNr">316 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> +<span id="L317" class="LineNr">317 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L318" class="LineNr">318 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L319" class="LineNr">319 </span> 68/push _test-stream/imm32 +<span id="L320" class="LineNr">320 </span> <span class="subxS2Comment"># . . call</span> +<span id="L321" class="LineNr">321 </span> e8/call write/disp32 +<span id="L322" class="LineNr">322 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L323" class="LineNr">323 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L324" class="LineNr">324 </span> <span class="subxComment"># first read gets to end-of-file</span> +<span id="L325" class="LineNr">325 </span> <span class="subxS1Comment"># . read(_test-stream, _test-stream-buffer)</span> +<span id="L326" class="LineNr">326 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L327" class="LineNr">327 </span> 68/push _test-stream-buffer/imm32 +<span id="L328" class="LineNr">328 </span> 68/push _test-stream/imm32 +<span id="L329" class="LineNr">329 </span> <span class="subxS2Comment"># . . call</span> +<span id="L330" class="LineNr">330 </span> e8/call read/disp32 +<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L332" class="LineNr">332 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L333" class="LineNr">333 </span> <span class="subxComment"># second read</span> +<span id="L334" class="LineNr">334 </span> <span class="subxS1Comment"># . read(_test-stream, _test-stream-buffer)</span> +<span id="L335" class="LineNr">335 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L336" class="LineNr">336 </span> 68/push _test-stream-buffer/imm32 +<span id="L337" class="LineNr">337 </span> 68/push _test-stream/imm32 +<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . call</span> +<span id="L339" class="LineNr">339 </span> e8/call read/disp32 +<span id="L340" class="LineNr">340 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L341" class="LineNr">341 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L342" class="LineNr">342 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L344" class="LineNr">344 </span> 68/push <span class="Constant">"F - test-read-returns-0-on-end-of-file"</span>/imm32 +<span id="L345" class="LineNr">345 </span> 68/push 0/imm32 +<span id="L346" class="LineNr">346 </span> 50/push-EAX +<span id="L347" class="LineNr">347 </span> <span class="subxS2Comment"># . . call</span> +<span id="L348" class="LineNr">348 </span> e8/call check-ints-equal/disp32 +<span id="L349" class="LineNr">349 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L350" class="LineNr">350 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L351" class="LineNr">351 </span> <span class="subxComment"># end</span> +<span id="L352" class="LineNr">352 </span> c3/return +<span id="L353" class="LineNr">353 </span> +<span id="L354" class="LineNr">354 </span>== data +<span id="L355" class="LineNr">355 </span> +<span id="L356" class="LineNr">356 </span><span class="subxMinorFunction">_test-stream-buffer</span>: +<span id="L357" class="LineNr">357 </span> <span class="subxComment"># current write index</span> +<span id="L358" class="LineNr">358 </span> 00 00 00 00 +<span id="L359" class="LineNr">359 </span> <span class="subxComment"># current read index</span> +<span id="L360" class="LineNr">360 </span> 00 00 00 00 +<span id="L361" class="LineNr">361 </span> <span class="subxComment"># length (= 8)</span> +<span id="L362" class="LineNr">362 </span> 08 00 00 00 +<span id="L363" class="LineNr">363 </span> <span class="subxComment"># data</span> +<span id="L364" class="LineNr">364 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L365" class="LineNr">365 </span> +<span id="L366" class="LineNr">366 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> |