diff options
| author | Kartik Agaram <vc@akkartik.com> | 2019-02-05 23:30:12 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-02-05 23:30:12 -0800 |
| commit | 6e181e7fd998a0d542cb531c929c905a243ea2f6 (patch) | |
| tree | 8ddf150f1a48da93e28c60ebe2dde9bf2264421d /html/subx/052kernel-string-equal.subx.html | |
| parent | f070557859fd1e8396d8bdbdc3ba6162c1d7e118 (diff) | |
| download | mu-6e181e7fd998a0d542cb531c929c905a243ea2f6.tar.gz | |
4953
Diffstat (limited to 'html/subx/052kernel-string-equal.subx.html')
| -rw-r--r-- | html/subx/052kernel-string-equal.subx.html | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/html/subx/052kernel-string-equal.subx.html b/html/subx/052kernel-string-equal.subx.html index 86926d78..55d0546b 100644 --- a/html/subx/052kernel-string-equal.subx.html +++ b/html/subx/052kernel-string-equal.subx.html @@ -90,7 +90,7 @@ if ('onhashchange' in window) { <span id="L28" class="LineNr"> 28 </span> <span id="L29" class="LineNr"> 29 </span><span class="subxComment"># compare a null-terminated ascii string with a more idiomatic length-prefixed byte array</span> <span id="L30" class="LineNr"> 30 </span><span class="subxComment"># reason for the name: the only place we should have null-terminated ascii strings is from commandline args</span> -<span id="L31" class="LineNr"> 31 </span><span class="subxFunction">kernel-string-equal</span>: <span class="subxComment"># s : null-terminated ascii string, benchmark : length-prefixed ascii string -> EAX : boolean</span> +<span id="L31" class="LineNr"> 31 </span><span class="subxFunction">kernel-string-equal?</span>: <span class="subxComment"># s : null-terminated ascii string, benchmark : length-prefixed ascii string -> EAX : boolean</span> <span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># pseudocode:</span> <span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># initialize n = b->length</span> <span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># initialize s1 = s</span> @@ -125,9 +125,9 @@ if ('onhashchange' in window) { <span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># initialize loop counter i into ECX</span> <span id="L64" class="LineNr"> 64 </span> b9/copy-to-ECX 0/imm32/exit <span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># while (i/ECX < n/EDX)</span> -<span id="L66" class="LineNr"> 66 </span><span class="Constant">$kernel-string-equal:loop</span>: +<span id="L66" class="LineNr"> 66 </span><span class="Constant">$kernel-string-equal?:loop</span>: <span id="L67" class="LineNr"> 67 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L68" class="LineNr"> 68 </span> 74/jump-if-equal $kernel-string-equal:break/disp8 +<span id="L68" class="LineNr"> 68 </span> 74/jump-if-equal $kernel-string-equal?:break/disp8 <span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># c1/EAX, c2/EBX = *s, *benchmark</span> <span id="L70" class="LineNr"> 70 </span> b8/copy-to-EAX 0/imm32 <span id="L71" class="LineNr"> 71 </span> 8a/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to lower byte of EAX</span> @@ -135,29 +135,29 @@ if ('onhashchange' in window) { <span id="L73" class="LineNr"> 73 </span> 8a/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to lower byte of EBX</span> <span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># if (c1 == 0) return false</span> <span id="L75" class="LineNr"> 75 </span> 3d/compare-EAX 0/imm32 -<span id="L76" class="LineNr"> 76 </span> 74/jump-if-equal $kernel-string-equal:false/disp8 +<span id="L76" class="LineNr"> 76 </span> 74/jump-if-equal $kernel-string-equal?:false/disp8 <span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># if (c1 != c2) return false</span> <span id="L78" class="LineNr"> 78 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with EBX</span> -<span id="L79" class="LineNr"> 79 </span> 75/jump-if-not-equal $kernel-string-equal:false/disp8 +<span id="L79" class="LineNr"> 79 </span> 75/jump-if-not-equal $kernel-string-equal?:false/disp8 <span id="L80" class="LineNr"> 80 </span> <span class="subxComment"># ++s1, ++s2, ++i</span> <span id="L81" class="LineNr"> 81 </span> 41/inc-ECX <span id="L82" class="LineNr"> 82 </span> 46/inc-ESI <span id="L83" class="LineNr"> 83 </span> 47/inc-EDI <span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># end while</span> -<span id="L85" class="LineNr"> 85 </span> eb/jump $kernel-string-equal:loop/disp8 -<span id="L86" class="LineNr"> 86 </span><span class="Constant">$kernel-string-equal:break</span>: +<span id="L85" class="LineNr"> 85 </span> eb/jump $kernel-string-equal?:loop/disp8 +<span id="L86" class="LineNr"> 86 </span><span class="Constant">$kernel-string-equal?:break</span>: <span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># if (*s/EDI == 0) return true</span> <span id="L88" class="LineNr"> 88 </span> b8/copy-to-EAX 0/imm32 <span id="L89" class="LineNr"> 89 </span> 8a/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to lower byte of EAX</span> <span id="L90" class="LineNr"> 90 </span> 3d/compare-EAX 0/imm32 -<span id="L91" class="LineNr"> 91 </span> 75/jump-if-not-equal $kernel-string-equal:false/disp8 -<span id="L92" class="LineNr"> 92 </span><span class="Constant">$kernel-string-equal:true</span>: +<span id="L91" class="LineNr"> 91 </span> 75/jump-if-not-equal $kernel-string-equal?:false/disp8 +<span id="L92" class="LineNr"> 92 </span><span class="Constant">$kernel-string-equal?:true</span>: <span id="L93" class="LineNr"> 93 </span> b8/copy-to-EAX 1/imm32 -<span id="L94" class="LineNr"> 94 </span> eb/jump $kernel-string-equal:end/disp8 +<span id="L94" class="LineNr"> 94 </span> eb/jump $kernel-string-equal?:end/disp8 <span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># return false</span> -<span id="L96" class="LineNr"> 96 </span><span class="Constant">$kernel-string-equal:false</span>: +<span id="L96" class="LineNr"> 96 </span><span class="Constant">$kernel-string-equal?:false</span>: <span id="L97" class="LineNr"> 97 </span> b8/copy-to-EAX 0/imm32 -<span id="L98" class="LineNr"> 98 </span><span class="Constant">$kernel-string-equal:end</span>: +<span id="L98" class="LineNr"> 98 </span><span class="Constant">$kernel-string-equal?:end</span>: <span id="L99" class="LineNr"> 99 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L100" class="LineNr">100 </span> 5f/pop-to-EDI <span id="L101" class="LineNr">101 </span> 5e/pop-to-ESI @@ -172,12 +172,12 @@ if ('onhashchange' in window) { <span id="L110" class="LineNr">110 </span><span class="subxH1Comment"># - tests</span> <span id="L111" class="LineNr">111 </span> <span id="L112" class="LineNr">112 </span><span class="subxTest">test-compare-null-kernel-string-with-empty-array</span>: -<span id="L113" class="LineNr">113 </span> <span class="subxComment"># EAX = kernel-string-equal(Null-kernel-string, "")</span> +<span id="L113" class="LineNr">113 </span> <span class="subxComment"># EAX = kernel-string-equal?(Null-kernel-string, "")</span> <span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . push args</span> <span id="L115" class="LineNr">115 </span> 68/push <span class="Constant">""</span>/imm32 <span id="L116" class="LineNr">116 </span> 68/push <span class="SpecialChar"><a href='052kernel-string-equal.subx.html#L254'>Null-kernel-string</a></span>/imm32 <span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> -<span id="L118" class="LineNr">118 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal</a>/disp32 +<span id="L118" class="LineNr">118 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/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="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> <span id="L121" class="LineNr">121 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> @@ -192,12 +192,12 @@ if ('onhashchange' in window) { <span id="L130" class="LineNr">130 </span> c3/return <span id="L131" class="LineNr">131 </span> <span id="L132" class="LineNr">132 </span><span class="subxTest">test-compare-null-kernel-string-with-non-empty-array</span>: -<span id="L133" class="LineNr">133 </span> <span class="subxComment"># EAX = kernel-string-equal(Null-kernel-string, "Abc")</span> +<span id="L133" class="LineNr">133 </span> <span class="subxComment"># EAX = kernel-string-equal?(Null-kernel-string, "Abc")</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">"Abc"</span>/imm32 <span id="L136" class="LineNr">136 </span> 68/push <span class="SpecialChar"><a href='052kernel-string-equal.subx.html#L254'>Null-kernel-string</a></span>/imm32 <span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> -<span id="L138" class="LineNr">138 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal</a>/disp32 +<span id="L138" class="LineNr">138 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 <span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> <span id="L141" class="LineNr">141 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> @@ -212,12 +212,12 @@ if ('onhashchange' in window) { <span id="L150" class="LineNr">150 </span> c3/return <span id="L151" class="LineNr">151 </span> <span id="L152" class="LineNr">152 </span><span class="subxTest">test-compare-kernel-string-with-equal-array</span>: -<span id="L153" class="LineNr">153 </span> <span class="subxComment"># EAX = kernel-string-equal(_test-Abc-kernel-string, "Abc")</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># EAX = kernel-string-equal?(_test-Abc-kernel-string, "Abc")</span> <span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> <span id="L155" class="LineNr">155 </span> 68/push <span class="Constant">"Abc"</span>/imm32 <span id="L156" class="LineNr">156 </span> 68/push <a href='052kernel-string-equal.subx.html#L256'>_test-Abc-kernel-string</a>/imm32 <span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span> -<span id="L158" class="LineNr">158 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal</a>/disp32 +<span id="L158" class="LineNr">158 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 <span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> <span id="L161" class="LineNr">161 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> @@ -232,12 +232,12 @@ if ('onhashchange' in window) { <span id="L170" class="LineNr">170 </span> c3/return <span id="L171" class="LineNr">171 </span> <span id="L172" class="LineNr">172 </span><span class="subxTest">test-compare-kernel-string-with-inequal-array</span>: -<span id="L173" class="LineNr">173 </span> <span class="subxComment"># EAX = kernel-string-equal(_test-Abc-kernel-string, "Adc")</span> +<span id="L173" class="LineNr">173 </span> <span class="subxComment"># EAX = kernel-string-equal?(_test-Abc-kernel-string, "Adc")</span> <span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span> <span id="L175" class="LineNr">175 </span> 68/push <span class="Constant">"Adc"</span>/imm32 <span id="L176" class="LineNr">176 </span> 68/push <a href='052kernel-string-equal.subx.html#L256'>_test-Abc-kernel-string</a>/imm32 <span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> -<span id="L178" class="LineNr">178 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal</a>/disp32 +<span id="L178" class="LineNr">178 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 <span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> <span id="L181" class="LineNr">181 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> @@ -252,12 +252,12 @@ if ('onhashchange' in window) { <span id="L190" class="LineNr">190 </span> c3/return <span id="L191" class="LineNr">191 </span> <span id="L192" class="LineNr">192 </span><span class="subxTest">test-compare-kernel-string-with-empty-array</span>: -<span id="L193" class="LineNr">193 </span> <span class="subxComment"># EAX = kernel-string-equal(_test-Abc-kernel-string, "")</span> +<span id="L193" class="LineNr">193 </span> <span class="subxComment"># EAX = kernel-string-equal?(_test-Abc-kernel-string, "")</span> <span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . push args</span> <span id="L195" class="LineNr">195 </span> 68/push <span class="Constant">""</span>/imm32 <span id="L196" class="LineNr">196 </span> 68/push <a href='052kernel-string-equal.subx.html#L256'>_test-Abc-kernel-string</a>/imm32 <span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . call</span> -<span id="L198" class="LineNr">198 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal</a>/disp32 +<span id="L198" class="LineNr">198 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 <span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L200" class="LineNr">200 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> <span id="L201" class="LineNr">201 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> @@ -272,12 +272,12 @@ if ('onhashchange' in window) { <span id="L210" class="LineNr">210 </span> c3/return <span id="L211" class="LineNr">211 </span> <span id="L212" class="LineNr">212 </span><span class="subxTest">test-compare-kernel-string-with-shorter-array</span>: -<span id="L213" class="LineNr">213 </span> <span class="subxComment"># EAX = kernel-string-equal(_test-Abc-kernel-string, "Ab")</span> +<span id="L213" class="LineNr">213 </span> <span class="subxComment"># EAX = kernel-string-equal?(_test-Abc-kernel-string, "Ab")</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">"Ab"</span>/imm32 <span id="L216" class="LineNr">216 </span> 68/push <a href='052kernel-string-equal.subx.html#L256'>_test-Abc-kernel-string</a>/imm32 <span id="L217" class="LineNr">217 </span> <span class="subxS2Comment"># . . call</span> -<span id="L218" class="LineNr">218 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal</a>/disp32 +<span id="L218" class="LineNr">218 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 <span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L220" class="LineNr">220 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> <span id="L221" class="LineNr">221 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> @@ -292,12 +292,12 @@ if ('onhashchange' in window) { <span id="L230" class="LineNr">230 </span> c3/return <span id="L231" class="LineNr">231 </span> <span id="L232" class="LineNr">232 </span><span class="subxTest">test-compare-kernel-string-with-longer-array</span>: -<span id="L233" class="LineNr">233 </span> <span class="subxComment"># EAX = kernel-string-equal(_test-Abc-kernel-string, "Abcd")</span> +<span id="L233" class="LineNr">233 </span> <span class="subxComment"># EAX = kernel-string-equal?(_test-Abc-kernel-string, "Abcd")</span> <span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . push args</span> <span id="L235" class="LineNr">235 </span> 68/push <span class="Constant">"Abcd"</span>/imm32 <span id="L236" class="LineNr">236 </span> 68/push <a href='052kernel-string-equal.subx.html#L256'>_test-Abc-kernel-string</a>/imm32 <span id="L237" class="LineNr">237 </span> <span class="subxS2Comment"># . . call</span> -<span id="L238" class="LineNr">238 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal</a>/disp32 +<span id="L238" class="LineNr">238 </span> e8/call <a href='052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 <span id="L239" class="LineNr">239 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L240" class="LineNr">240 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> <span id="L241" class="LineNr">241 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> |