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| author | Kartik Agaram <vc@akkartik.com> | 2018-12-03 12:03:23 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-12-03 12:03:23 -0800 |
| commit | 91dab3e1a499cac50abd146ce849d3dab94229ab (patch) | |
| tree | 0ae698ea9ed9e1e3523aa6e5aefa9e0b8c8e2400 | |
| parent | 26efb5f5c2a3ddbaf82f06e6ca6090caf7ab5a16 (diff) | |
| download | mu-91dab3e1a499cac50abd146ce849d3dab94229ab.tar.gz | |
4824
| -rw-r--r-- | html/subx/053new_segment.subx.html | 14 | ||||
| -rw-r--r-- | html/subx/059read-byte.subx.html | 311 | ||||
| -rw-r--r-- | html/subx/examples/ex12.subx.html | 4 | ||||
| -rw-r--r-- | html/subx/examples/ex7.subx.html | 14 | ||||
| -rw-r--r-- | subx/053new_segment.subx | 14 | ||||
| -rw-r--r-- | subx/examples/ex12.subx | 4 | ||||
| -rw-r--r-- | subx/examples/ex7.subx | 14 |
7 files changed, 186 insertions, 189 deletions
diff --git a/html/subx/053new_segment.subx.html b/html/subx/053new_segment.subx.html index 8ae47381..92a3f0e5 100644 --- a/html/subx/053new_segment.subx.html +++ b/html/subx/053new_segment.subx.html @@ -75,33 +75,33 @@ if ('onhashchange' in window) { <span id="L12" class="LineNr">12 </span> <span class="subxS2Comment"># . . call</span> <span id="L13" class="LineNr">13 </span> e8/call new-segment/disp32 <span id="L14" class="LineNr">14 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L15" class="LineNr">15 </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="L15" class="LineNr">15 </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="L16" class="LineNr">16 </span> <span id="L17" class="LineNr">17 </span> <span class="subxComment"># write to *EAX to check that we have access to the newly-allocated segment</span> -<span id="L18" class="LineNr">18 </span> c7/copy 0/mod/direct 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0x34/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L18" class="LineNr">18 </span> c7/copy 0/mod/direct 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0x34/imm32 <span class="subxComment"># copy to *EAX</span> <span id="L19" class="LineNr">19 </span> <span id="L20" class="LineNr">20 </span> <span class="subxComment"># syscall(exit, EAX)</span> -<span id="L21" class="LineNr">21 </span> 89/copy 3/mod/direct 3/rm32/EBX <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"># copy EAX to EBX</span> +<span id="L21" class="LineNr">21 </span> 89/copy 3/mod/direct 3/rm32/EBX <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"># copy EAX to EBX</span> <span id="L22" class="LineNr">22 </span> b8/copy-to-EAX 1/imm32/exit <span id="L23" class="LineNr">23 </span> cd/syscall 0x80/imm8 <span id="L24" class="LineNr">24 </span> <span id="L25" class="LineNr">25 </span><span class="subxFunction">new-segment</span>: <span class="subxComment"># len : int -> address</span> <span id="L26" class="LineNr">26 </span> <span class="subxS1Comment"># . prolog</span> <span id="L27" class="LineNr">27 </span> 55/push-EBP -<span id="L28" class="LineNr">28 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/r32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L28" class="LineNr">28 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 4/r32/ESP <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy ESP to EBP</span> <span id="L29" class="LineNr">29 </span> 53/push-EBX <span id="L30" class="LineNr">30 </span> <span class="subxComment"># copy len to _mmap-new-segment->len</span> <span id="L31" class="LineNr">31 </span> <span class="subxComment"># TODO: compute _mmap-new-segment+4 before runtime</span> -<span id="L32" class="LineNr">32 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="CommentedCode"> . </span> 0/r32/EAX 8/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L32" class="LineNr">32 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="CommentedCode"> . </span> 0/r32/EAX 8/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> <span id="L33" class="LineNr">33 </span> bb/copy-to-EBX _mmap-new-segment/imm32 -<span id="L34" class="LineNr">34 </span> 89/copy 1/mod/*+disp8 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0/r32/EAX 4/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># copy EAX to *(EBX+4)</span> +<span id="L34" class="LineNr">34 </span> 89/copy 1/mod/*+disp8 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0/r32/EAX 4/disp8 <span class="CommentedCode"> . </span> <span class="subxComment"># copy EAX to *(EBX+4)</span> <span id="L35" class="LineNr">35 </span> <span class="subxComment"># mmap(_mmap-new-segment)</span> <span id="L36" class="LineNr">36 </span> bb/copy-to-EBX _mmap-new-segment/imm32 <span id="L37" class="LineNr">37 </span> b8/copy-to-EAX 0x5a/imm32/mmap <span id="L38" class="LineNr">38 </span> cd/syscall 0x80/imm8 <span id="L39" class="LineNr">39 </span> <span class="subxS1Comment"># . epilog</span> <span id="L40" class="LineNr">40 </span> 5b/pop-to-EBX -<span id="L41" class="LineNr">41 </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="L41" class="LineNr">41 </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="L42" class="LineNr">42 </span> 5d/pop-to-EBP <span id="L43" class="LineNr">43 </span> c3/return <span id="L44" class="LineNr">44 </span> diff --git a/html/subx/059read-byte.subx.html b/html/subx/059read-byte.subx.html index ad958670..e23ec5a7 100644 --- a/html/subx/059read-byte.subx.html +++ b/html/subx/059read-byte.subx.html @@ -160,163 +160,160 @@ if ('onhashchange' in window) { <span id="L94" class="LineNr"> 94 </span> 5d/pop-to-EBP <span id="L95" class="LineNr"> 95 </span> c3/return <span id="L96" class="LineNr"> 96 </span> -<span id="L97" class="LineNr"> 97 </span><span class="subxComment"># todo: how should write-byte look? What should it do when the output has no</span> -<span id="L98" class="LineNr"> 98 </span><span class="subxComment"># space remaining? Maybe return an error code.</span> -<span id="L99" class="LineNr"> 99 </span> -<span id="L100" class="LineNr">100 </span><span class="subxH1Comment"># - tests</span> -<span id="L101" class="LineNr">101 </span> -<span id="L102" class="LineNr">102 </span><span class="subxTest">test-read-byte-single</span>: -<span id="L103" class="LineNr">103 </span> <span class="subxH1Comment"># - check that read-byte returns first byte of 'file'</span> -<span id="L104" class="LineNr">104 </span> <span class="subxComment"># setup</span> -<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L107" class="LineNr">107 </span> 68/push _test-stream/imm32 -<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . call</span> -<span id="L109" class="LineNr">109 </span> e8/call clear-stream/disp32 -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L111" class="LineNr">111 </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="L112" class="LineNr">112 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L114" class="LineNr">114 </span> b8/copy-to-EAX _test-buffered-file/imm32 -<span id="L115" class="LineNr">115 </span> 05/add-to-EAX 4/imm32 -<span id="L116" class="LineNr">116 </span> 50/push-EAX -<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> -<span id="L118" class="LineNr">118 </span> e8/call clear-stream/disp32 -<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L120" class="LineNr">120 </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="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> -<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L123" class="LineNr">123 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L124" class="LineNr">124 </span> 68/push _test-stream/imm32 -<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . call</span> -<span id="L126" class="LineNr">126 </span> e8/call write/disp32 -<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L128" class="LineNr">128 </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="L129" class="LineNr">129 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L131" class="LineNr">131 </span> 68/push _test-buffered-file/imm32 -<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . call</span> -<span id="L133" class="LineNr">133 </span> e8/call read-byte/disp32 -<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L135" class="LineNr">135 </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="L136" class="LineNr">136 </span> <span class="subxComment"># check-ints-equal(EAX, 'A', msg)</span> -<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L138" class="LineNr">138 </span> 68/push <span class="Constant">"F - test-read-byte-single"</span>/imm32 -<span id="L139" class="LineNr">139 </span> 68/push 0x41/imm32 -<span id="L140" class="LineNr">140 </span> 50/push-EAX -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . call</span> -<span id="L142" class="LineNr">142 </span> e8/call check-ints-equal/disp32 -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L144" class="LineNr">144 </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="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . end</span> -<span id="L146" class="LineNr">146 </span> c3/return -<span id="L147" class="LineNr">147 </span> -<span id="L148" class="LineNr">148 </span><span class="subxTest">test-read-byte-multiple</span>: -<span id="L149" class="LineNr">149 </span> <span class="subxH1Comment"># - call read-byte twice, check that second call returns second byte</span> -<span id="L150" class="LineNr">150 </span> <span class="subxComment"># setup</span> -<span id="L151" class="LineNr">151 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L153" class="LineNr">153 </span> 68/push _test-stream/imm32 -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . call</span> -<span id="L155" class="LineNr">155 </span> e8/call clear-stream/disp32 -<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L157" class="LineNr">157 </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="L158" class="LineNr">158 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L160" class="LineNr">160 </span> b8/copy-to-EAX _test-buffered-file/imm32 -<span id="L161" class="LineNr">161 </span> 05/add-to-EAX 4/imm32 -<span id="L162" class="LineNr">162 </span> 50/push-EAX -<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . call</span> -<span id="L164" class="LineNr">164 </span> e8/call clear-stream/disp32 -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L166" class="LineNr">166 </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="L167" class="LineNr">167 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> -<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L169" class="LineNr">169 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L170" class="LineNr">170 </span> 68/push _test-stream/imm32 -<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . call</span> -<span id="L172" class="LineNr">172 </span> e8/call write/disp32 -<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L174" class="LineNr">174 </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="L175" class="LineNr">175 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L177" class="LineNr">177 </span> 68/push _test-buffered-file/imm32 -<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . call</span> -<span id="L179" class="LineNr">179 </span> e8/call read-byte/disp32 -<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L181" class="LineNr">181 </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="L182" class="LineNr">182 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L184" class="LineNr">184 </span> 68/push _test-buffered-file/imm32 -<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . call</span> -<span id="L186" class="LineNr">186 </span> e8/call read-byte/disp32 -<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L188" class="LineNr">188 </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="L189" class="LineNr">189 </span> <span class="subxComment"># check-ints-equal(EAX, 'b', msg)</span> -<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L191" class="LineNr">191 </span> 68/push <span class="Constant">"F - test-read-byte-multiple"</span>/imm32 -<span id="L192" class="LineNr">192 </span> 68/push 0x62/imm32 -<span id="L193" class="LineNr">193 </span> 50/push-EAX -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . call</span> -<span id="L195" class="LineNr">195 </span> e8/call check-ints-equal/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> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L198" class="LineNr">198 </span> <span class="subxS1Comment"># . end</span> -<span id="L199" class="LineNr">199 </span> c3/return -<span id="L200" class="LineNr">200 </span> -<span id="L201" class="LineNr">201 </span><span class="subxTest">test-read-byte-end-of-file</span>: -<span id="L202" class="LineNr">202 </span> <span class="subxH1Comment"># - call read-byte on an empty 'file', check that it returns -1</span> -<span id="L203" class="LineNr">203 </span> <span class="subxComment"># setup</span> -<span id="L204" class="LineNr">204 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L206" class="LineNr">206 </span> 68/push _test-stream/imm32 -<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . call</span> -<span id="L208" class="LineNr">208 </span> e8/call clear-stream/disp32 -<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L210" class="LineNr">210 </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="L211" class="LineNr">211 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L213" class="LineNr">213 </span> b8/copy-to-EAX _test-buffered-file/imm32 -<span id="L214" class="LineNr">214 </span> 05/add-to-EAX 4/imm32 -<span id="L215" class="LineNr">215 </span> 50/push-EAX -<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . call</span> -<span id="L217" class="LineNr">217 </span> e8/call clear-stream/disp32 -<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L219" class="LineNr">219 </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="L220" class="LineNr">220 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L222" class="LineNr">222 </span> 68/push _test-buffered-file/imm32 -<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . call</span> -<span id="L224" class="LineNr">224 </span> e8/call read-byte/disp32 -<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L226" class="LineNr">226 </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="L227" class="LineNr">227 </span> <span class="subxComment"># check-ints-equal(EAX, -1, msg)</span> -<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L229" class="LineNr">229 </span> 68/push <span class="Constant">"F - test-read-byte-end-of-file"</span>/imm32 -<span id="L230" class="LineNr">230 </span> 68/push -1/imm32 -<span id="L231" class="LineNr">231 </span> 50/push-EAX -<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . call</span> -<span id="L233" class="LineNr">233 </span> e8/call check-ints-equal/disp32 -<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L235" class="LineNr">235 </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="L236" class="LineNr">236 </span> <span class="subxS1Comment"># . end</span> -<span id="L237" class="LineNr">237 </span> c3/return -<span id="L238" class="LineNr">238 </span> -<span id="L239" class="LineNr">239 </span>== data -<span id="L240" class="LineNr">240 </span> -<span id="L241" class="LineNr">241 </span><span class="subxMinorFunction">_test-buffered-file</span>: -<span id="L242" class="LineNr">242 </span> <span class="subxComment"># file descriptor or (address stream)</span> -<span id="L243" class="LineNr">243 </span> _test-stream/imm32 -<span id="L244" class="LineNr">244 </span> <span class="subxComment"># current write index</span> -<span id="L245" class="LineNr">245 </span> 00 00 00 00 -<span id="L246" class="LineNr">246 </span> <span class="subxComment"># current read index</span> -<span id="L247" class="LineNr">247 </span> 00 00 00 00 -<span id="L248" class="LineNr">248 </span> <span class="subxComment"># length (8)</span> -<span id="L249" class="LineNr">249 </span> 08 00 00 00 -<span id="L250" class="LineNr">250 </span> <span class="subxComment"># data</span> -<span id="L251" class="LineNr">251 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L252" class="LineNr">252 </span> -<span id="L253" class="LineNr">253 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L97" class="LineNr"> 97 </span><span class="subxH1Comment"># - tests</span> +<span id="L98" class="LineNr"> 98 </span> +<span id="L99" class="LineNr"> 99 </span><span class="subxTest">test-read-byte-single</span>: +<span id="L100" class="LineNr">100 </span> <span class="subxH1Comment"># - check that read-byte returns first byte of 'file'</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># setup</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L104" class="LineNr">104 </span> 68/push _test-stream/imm32 +<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> +<span id="L106" class="LineNr">106 </span> e8/call clear-stream/disp32 +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L108" class="LineNr">108 </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="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L111" class="LineNr">111 </span> b8/copy-to-EAX _test-buffered-file/imm32 +<span id="L112" class="LineNr">112 </span> 05/add-to-EAX 4/imm32 +<span id="L113" class="LineNr">113 </span> 50/push-EAX +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . call</span> +<span id="L115" class="LineNr">115 </span> e8/call clear-stream/disp32 +<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L117" class="LineNr">117 </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="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L120" class="LineNr">120 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L121" class="LineNr">121 </span> 68/push _test-stream/imm32 +<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . call</span> +<span id="L123" class="LineNr">123 </span> e8/call write/disp32 +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L125" class="LineNr">125 </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="L126" class="LineNr">126 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L128" class="LineNr">128 </span> 68/push _test-buffered-file/imm32 +<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . call</span> +<span id="L130" class="LineNr">130 </span> e8/call read-byte/disp32 +<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L132" class="LineNr">132 </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="L133" class="LineNr">133 </span> <span class="subxComment"># check-ints-equal(EAX, 'A', msg)</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">"F - test-read-byte-single"</span>/imm32 +<span id="L136" class="LineNr">136 </span> 68/push 0x41/imm32 +<span id="L137" class="LineNr">137 </span> 50/push-EAX +<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . call</span> +<span id="L139" class="LineNr">139 </span> e8/call check-ints-equal/disp32 +<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L141" class="LineNr">141 </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="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . end</span> +<span id="L143" class="LineNr">143 </span> c3/return +<span id="L144" class="LineNr">144 </span> +<span id="L145" class="LineNr">145 </span><span class="subxTest">test-read-byte-multiple</span>: +<span id="L146" class="LineNr">146 </span> <span class="subxH1Comment"># - call read-byte twice, check that second call returns second byte</span> +<span id="L147" class="LineNr">147 </span> <span class="subxComment"># setup</span> +<span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L150" class="LineNr">150 </span> 68/push _test-stream/imm32 +<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . call</span> +<span id="L152" class="LineNr">152 </span> e8/call clear-stream/disp32 +<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L154" class="LineNr">154 </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="L155" class="LineNr">155 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L157" class="LineNr">157 </span> b8/copy-to-EAX _test-buffered-file/imm32 +<span id="L158" class="LineNr">158 </span> 05/add-to-EAX 4/imm32 +<span id="L159" class="LineNr">159 </span> 50/push-EAX +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . call</span> +<span id="L161" class="LineNr">161 </span> e8/call clear-stream/disp32 +<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L163" class="LineNr">163 </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="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> +<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L166" class="LineNr">166 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L167" class="LineNr">167 </span> 68/push _test-stream/imm32 +<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . call</span> +<span id="L169" class="LineNr">169 </span> e8/call write/disp32 +<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L171" class="LineNr">171 </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="L172" class="LineNr">172 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L174" class="LineNr">174 </span> 68/push _test-buffered-file/imm32 +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . call</span> +<span id="L176" class="LineNr">176 </span> e8/call read-byte/disp32 +<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L178" class="LineNr">178 </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="L179" class="LineNr">179 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L181" class="LineNr">181 </span> 68/push _test-buffered-file/imm32 +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . call</span> +<span id="L183" class="LineNr">183 </span> e8/call read-byte/disp32 +<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L185" class="LineNr">185 </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="L186" class="LineNr">186 </span> <span class="subxComment"># check-ints-equal(EAX, 'b', msg)</span> +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L188" class="LineNr">188 </span> 68/push <span class="Constant">"F - test-read-byte-multiple"</span>/imm32 +<span id="L189" class="LineNr">189 </span> 68/push 0x62/imm32 +<span id="L190" class="LineNr">190 </span> 50/push-EAX +<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . call</span> +<span id="L192" class="LineNr">192 </span> e8/call check-ints-equal/disp32 +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L194" class="LineNr">194 </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="L195" class="LineNr">195 </span> <span class="subxS1Comment"># . end</span> +<span id="L196" class="LineNr">196 </span> c3/return +<span id="L197" class="LineNr">197 </span> +<span id="L198" class="LineNr">198 </span><span class="subxTest">test-read-byte-end-of-file</span>: +<span id="L199" class="LineNr">199 </span> <span class="subxH1Comment"># - call read-byte on an empty 'file', check that it returns -1</span> +<span id="L200" class="LineNr">200 </span> <span class="subxComment"># setup</span> +<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L203" class="LineNr">203 </span> 68/push _test-stream/imm32 +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . call</span> +<span id="L205" class="LineNr">205 </span> e8/call clear-stream/disp32 +<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L207" class="LineNr">207 </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="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L210" class="LineNr">210 </span> b8/copy-to-EAX _test-buffered-file/imm32 +<span id="L211" class="LineNr">211 </span> 05/add-to-EAX 4/imm32 +<span id="L212" class="LineNr">212 </span> 50/push-EAX +<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . call</span> +<span id="L214" class="LineNr">214 </span> e8/call clear-stream/disp32 +<span id="L215" class="LineNr">215 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L216" class="LineNr">216 </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="L217" class="LineNr">217 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L219" class="LineNr">219 </span> 68/push _test-buffered-file/imm32 +<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . call</span> +<span id="L221" class="LineNr">221 </span> e8/call read-byte/disp32 +<span id="L222" class="LineNr">222 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L223" class="LineNr">223 </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="L224" class="LineNr">224 </span> <span class="subxComment"># check-ints-equal(EAX, -1, msg)</span> +<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L226" class="LineNr">226 </span> 68/push <span class="Constant">"F - test-read-byte-end-of-file"</span>/imm32 +<span id="L227" class="LineNr">227 </span> 68/push -1/imm32 +<span id="L228" class="LineNr">228 </span> 50/push-EAX +<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="subxS1Comment"># . 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>== data +<span id="L237" class="LineNr">237 </span> +<span id="L238" class="LineNr">238 </span><span class="subxMinorFunction">_test-buffered-file</span>: +<span id="L239" class="LineNr">239 </span> <span class="subxComment"># file descriptor or (address stream)</span> +<span id="L240" class="LineNr">240 </span> _test-stream/imm32 +<span id="L241" class="LineNr">241 </span> <span class="subxComment"># current write index</span> +<span id="L242" class="LineNr">242 </span> 00 00 00 00 +<span id="L243" class="LineNr">243 </span> <span class="subxComment"># current read index</span> +<span id="L244" class="LineNr">244 </span> 00 00 00 00 +<span id="L245" class="LineNr">245 </span> <span class="subxComment"># length (8)</span> +<span id="L246" class="LineNr">246 </span> 08 00 00 00 +<span id="L247" class="LineNr">247 </span> <span class="subxComment"># data</span> +<span id="L248" class="LineNr">248 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L249" class="LineNr">249 </span> +<span id="L250" class="LineNr">250 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/examples/ex12.subx.html b/html/subx/examples/ex12.subx.html index e2dfc4e0..39e13baa 100644 --- a/html/subx/examples/ex12.subx.html +++ b/html/subx/examples/ex12.subx.html @@ -79,10 +79,10 @@ if ('onhashchange' in window) { <span id="L17" class="LineNr">17 </span> cd/syscall 0x80/imm8 <span id="L18" class="LineNr">18 </span> <span id="L19" class="LineNr">19 </span> <span class="subxComment"># write to *EAX to check that we have access to the newly-allocated segment</span> -<span id="L20" class="LineNr">20 </span> c7/copy 0/mod/direct 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0x34/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L20" class="LineNr">20 </span> c7/copy 0/mod/direct 0/rm32/EAX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 0x34/imm32 <span class="subxComment"># copy to *EAX</span> <span id="L21" class="LineNr">21 </span> <span id="L22" class="LineNr">22 </span> <span class="subxComment"># syscall(exit, EAX)</span> -<span id="L23" class="LineNr">23 </span> 89/copy 3/mod/direct 3/rm32/EBX <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"># copy EAX to EBX</span> +<span id="L23" class="LineNr">23 </span> 89/copy 3/mod/direct 3/rm32/EBX <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"># copy EAX to EBX</span> <span id="L24" class="LineNr">24 </span> b8/copy-to-EAX 1/imm32/exit <span id="L25" class="LineNr">25 </span> cd/syscall 0x80/imm8 <span id="L26" class="LineNr">26 </span> diff --git a/html/subx/examples/ex7.subx.html b/html/subx/examples/ex7.subx.html index f22f852f..ad52cf1c 100644 --- a/html/subx/examples/ex7.subx.html +++ b/html/subx/examples/ex7.subx.html @@ -91,12 +91,12 @@ if ('onhashchange' in window) { <span id="L30" class="LineNr"> 30 </span> cd/syscall 0x80/imm8 <span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># save stream</span> <span id="L32" class="LineNr"> 32 </span> bb/copy-to-EBX <span class="SpecialChar">Stream</span>/imm32 -<span id="L33" class="LineNr"> 33 </span> 89/copy 0/mod/indirect 3/rm32/EBX <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"># copy EAX to *EBX</span> +<span id="L33" class="LineNr"> 33 </span> 89/copy 0/mod/indirect 3/rm32/EBX <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"># copy EAX to *EBX</span> <span id="L34" class="LineNr"> 34 </span> <span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># syscall(write, Stream, "a", 1)</span> <span id="L36" class="LineNr"> 36 </span> <span class="subxS1Comment"># . load stream</span> <span id="L37" class="LineNr"> 37 </span> bb/copy-to-EBX <span class="SpecialChar">Stream</span>/imm32 -<span id="L38" class="LineNr"> 38 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> +<span id="L38" class="LineNr"> 38 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> <span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># .</span> <span id="L40" class="LineNr"> 40 </span> b9/copy-to-ECX <span class="SpecialChar">A</span>/imm32 <span id="L41" class="LineNr"> 41 </span> ba/copy-to-EDX 1/imm32/size @@ -106,7 +106,7 @@ if ('onhashchange' in window) { <span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># syscall(close, Stream)</span> <span id="L46" class="LineNr"> 46 </span> <span class="subxS1Comment"># . load stream</span> <span id="L47" class="LineNr"> 47 </span> bb/copy-to-EBX <span class="SpecialChar">Stream</span>/imm32 -<span id="L48" class="LineNr"> 48 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> +<span id="L48" class="LineNr"> 48 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> <span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># .</span> <span id="L50" class="LineNr"> 50 </span> b8/copy-to-EAX 6/imm32/close <span id="L51" class="LineNr"> 51 </span> cd/syscall 0x80/imm8 @@ -119,12 +119,12 @@ if ('onhashchange' in window) { <span id="L58" class="LineNr"> 58 </span> cd/syscall 0x80/imm8 <span id="L59" class="LineNr"> 59 </span> <span class="subxS1Comment"># . save Stream</span> <span id="L60" class="LineNr"> 60 </span> bb/copy-to-EBX <span class="SpecialChar">Stream</span>/imm32 -<span id="L61" class="LineNr"> 61 </span> 89/copy 0/mod/indirect 3/rm32/EBX <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"># copy EAX to *EBX</span> +<span id="L61" class="LineNr"> 61 </span> 89/copy 0/mod/indirect 3/rm32/EBX <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"># copy EAX to *EBX</span> <span id="L62" class="LineNr"> 62 </span> <span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># syscall(read, Stream, B, 1)</span> <span id="L64" class="LineNr"> 64 </span> <span class="subxS1Comment"># . load stream</span> <span id="L65" class="LineNr"> 65 </span> bb/copy-to-EBX <span class="SpecialChar">Stream</span>/imm32 -<span id="L66" class="LineNr"> 66 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> +<span id="L66" class="LineNr"> 66 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> <span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># .</span> <span id="L68" class="LineNr"> 68 </span> b9/copy-to-ECX <span class="SpecialChar">B</span>/imm32 <span id="L69" class="LineNr"> 69 </span> ba/copy-to-EDX 1/imm32/size @@ -134,7 +134,7 @@ if ('onhashchange' in window) { <span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># syscall(close, Stream)</span> <span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . load stream</span> <span id="L75" class="LineNr"> 75 </span> bb/copy-to-EBX <span class="SpecialChar">Stream</span>/imm32 -<span id="L76" class="LineNr"> 76 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> +<span id="L76" class="LineNr"> 76 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> <span id="L77" class="LineNr"> 77 </span> <span class="subxComment">#</span> <span id="L78" class="LineNr"> 78 </span> b8/copy-to-EAX 6/imm32/close <span id="L79" class="LineNr"> 79 </span> cd/syscall 0x80/imm8 @@ -147,7 +147,7 @@ if ('onhashchange' in window) { <span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># syscall(exit, b)</span> <span id="L87" class="LineNr"> 87 </span> <span class="subxS1Comment"># . load b</span> <span id="L88" class="LineNr"> 88 </span> bb/copy-to-EBX <span class="SpecialChar">B</span>/imm32 -<span id="L89" class="LineNr"> 89 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> +<span id="L89" class="LineNr"> 89 </span> 8b/copy 0/mod/indirect 3/rm32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> 3/r32/EBX <span class="CommentedCode"> . </span> <span class="CommentedCode"> . </span> <span class="subxComment"># copy *EBX to EBX</span> <span id="L90" class="LineNr"> 90 </span> <span class="subxComment">#</span> <span id="L91" class="LineNr"> 91 </span> b8/copy-to-EAX 1/imm32/exit <span id="L92" class="LineNr"> 92 </span> cd/syscall 0x80/imm8 diff --git a/subx/053new_segment.subx b/subx/053new_segment.subx index efbfc1a3..27fd8ea1 100644 --- a/subx/053new_segment.subx +++ b/subx/053new_segment.subx @@ -12,33 +12,33 @@ # . . call e8/call new-segment/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # write to *EAX to check that we have access to the newly-allocated segment - c7/copy 0/mod/direct 0/rm32/EAX . . . . . 0x34/imm32 # copy to *EAX + c7/copy 0/mod/direct 0/rm32/EAX . . . . . 0x34/imm32 # copy to *EAX # syscall(exit, EAX) - 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX + 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX b8/copy-to-EAX 1/imm32/exit cd/syscall 0x80/imm8 new-segment: # len : int -> address # . prolog 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP 53/push-EBX # copy len to _mmap-new-segment->len # TODO: compute _mmap-new-segment+4 before runtime - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX bb/copy-to-EBX _mmap-new-segment/imm32 - 89/copy 1/mod/*+disp8 3/rm32/EBX . . . 0/r32/EAX 4/disp8 . # copy EAX to *(EBX+4) + 89/copy 1/mod/*+disp8 3/rm32/EBX . . . 0/r32/EAX 4/disp8 . # copy EAX to *(EBX+4) # mmap(_mmap-new-segment) bb/copy-to-EBX _mmap-new-segment/imm32 b8/copy-to-EAX 0x5a/imm32/mmap cd/syscall 0x80/imm8 # . epilog 5b/pop-to-EBX - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return diff --git a/subx/examples/ex12.subx b/subx/examples/ex12.subx index 3b101379..6d17a39f 100644 --- a/subx/examples/ex12.subx +++ b/subx/examples/ex12.subx @@ -17,10 +17,10 @@ cd/syscall 0x80/imm8 # write to *EAX to check that we have access to the newly-allocated segment - c7/copy 0/mod/direct 0/rm32/EAX . . . . . 0x34/imm32 # copy to *EAX + c7/copy 0/mod/direct 0/rm32/EAX . . . . . 0x34/imm32 # copy to *EAX # syscall(exit, EAX) - 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX + 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX b8/copy-to-EAX 1/imm32/exit cd/syscall 0x80/imm8 diff --git a/subx/examples/ex7.subx b/subx/examples/ex7.subx index e28ff89b..4355910a 100644 --- a/subx/examples/ex7.subx +++ b/subx/examples/ex7.subx @@ -30,12 +30,12 @@ cd/syscall 0x80/imm8 # save stream bb/copy-to-EBX Stream/imm32 - 89/copy 0/mod/indirect 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to *EBX + 89/copy 0/mod/indirect 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to *EBX # syscall(write, Stream, "a", 1) # . load stream bb/copy-to-EBX Stream/imm32 - 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX + 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX # . b9/copy-to-ECX A/imm32 ba/copy-to-EDX 1/imm32/size @@ -45,7 +45,7 @@ # syscall(close, Stream) # . load stream bb/copy-to-EBX Stream/imm32 - 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX + 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX # . b8/copy-to-EAX 6/imm32/close cd/syscall 0x80/imm8 @@ -58,12 +58,12 @@ cd/syscall 0x80/imm8 # . save Stream bb/copy-to-EBX Stream/imm32 - 89/copy 0/mod/indirect 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to *EBX + 89/copy 0/mod/indirect 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to *EBX # syscall(read, Stream, B, 1) # . load stream bb/copy-to-EBX Stream/imm32 - 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX + 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX # . b9/copy-to-ECX B/imm32 ba/copy-to-EDX 1/imm32/size @@ -73,7 +73,7 @@ # syscall(close, Stream) # . load stream bb/copy-to-EBX Stream/imm32 - 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX + 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX # b8/copy-to-EAX 6/imm32/close cd/syscall 0x80/imm8 @@ -86,7 +86,7 @@ # syscall(exit, b) # . load b bb/copy-to-EBX B/imm32 - 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX + 8b/copy 0/mod/indirect 3/rm32/EBX . . . 3/r32/EBX . . # copy *EBX to EBX # b8/copy-to-EAX 1/imm32/exit cd/syscall 0x80/imm8 |