diff options
Diffstat (limited to 'html/108write.subx.html')
| -rw-r--r-- | html/108write.subx.html | 266 |
1 files changed, 176 insertions, 90 deletions
diff --git a/html/108write.subx.html b/html/108write.subx.html index 7f5a6178..763f35bf 100644 --- a/html/108write.subx.html +++ b/html/108write.subx.html @@ -96,7 +96,7 @@ if ('onhashchange' in window) { <span id="L36" class="LineNr"> 36 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 2/index/edx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+edx+12 to ebx</span> <span id="L37" class="LineNr"> 37 </span> 53/push-ebx <span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . call</span> -<span id="L39" class="LineNr"> 39 </span> e8/call <a href='108write.subx.html#L139'>_append-3</a>/disp32 +<span id="L39" class="LineNr"> 39 </span> e8/call <a href='108write.subx.html#L212'>_append-3</a>/disp32 <span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L41" class="LineNr"> 41 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> <span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># f->write += eax</span> @@ -195,95 +195,181 @@ if ('onhashchange' in window) { <span id="L135" class="LineNr">135 </span> <span id="L136" class="LineNr">136 </span>== code <span id="L137" class="LineNr">137 </span> -<span id="L138" class="LineNr">138 </span><span class="subxComment"># 3-argument variant of _append</span> -<span id="L139" class="LineNr">139 </span><span class="subxMinorFunction">_append-3</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), s: (addr array byte) -> num_bytes_appended/eax</span> -<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L141" class="LineNr">141 </span> 55/push-ebp -<span id="L142" class="LineNr">142 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L143" class="LineNr">143 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L144" class="LineNr">144 </span> 51/push-ecx -<span id="L145" class="LineNr">145 </span> <span class="subxComment"># eax = _append-4(out, outend, &s->data[0], &s->data[s->size])</span> -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . push &s->data[s->size]</span> -<span id="L147" class="LineNr">147 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> -<span id="L148" class="LineNr">148 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> -<span id="L149" class="LineNr">149 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> -<span id="L150" class="LineNr">150 </span> 51/push-ecx -<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . push &s->data[0]</span> -<span id="L152" class="LineNr">152 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+4 to ecx</span> -<span id="L153" class="LineNr">153 </span> 51/push-ecx -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push outend</span> -<span id="L155" class="LineNr">155 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> -<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . push out</span> -<span id="L157" class="LineNr">157 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> -<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . call</span> -<span id="L159" class="LineNr">159 </span> e8/call <a href='108write.subx.html#L171'>_append-4</a>/disp32 -<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L161" class="LineNr">161 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> -<span id="L162" class="LineNr">162 </span><span class="Constant">$_append-3:end</span>: -<span id="L163" class="LineNr">163 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L164" class="LineNr">164 </span> 59/pop-to-ecx -<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L166" class="LineNr">166 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L167" class="LineNr">167 </span> 5d/pop-to-ebp -<span id="L168" class="LineNr">168 </span> c3/return -<span id="L169" class="LineNr">169 </span> -<span id="L170" class="LineNr">170 </span><span class="subxComment"># 4-argument variant of _append</span> -<span id="L171" class="LineNr">171 </span><span class="subxMinorFunction">_append-4</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), in: (addr byte), inend: (addr byte) -> num_bytes_appended/eax: int</span> -<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L173" class="LineNr">173 </span> 55/push-ebp -<span id="L174" class="LineNr">174 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L175" class="LineNr">175 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L176" class="LineNr">176 </span> 51/push-ecx -<span id="L177" class="LineNr">177 </span> 52/push-edx -<span id="L178" class="LineNr">178 </span> 53/push-ebx -<span id="L179" class="LineNr">179 </span> 56/push-esi -<span id="L180" class="LineNr">180 </span> 57/push-edi -<span id="L181" class="LineNr">181 </span> <span class="subxComment"># num_bytes_appended = 0</span> -<span id="L182" class="LineNr">182 </span> b8/copy-to-eax 0/imm32 -<span id="L183" class="LineNr">183 </span> <span class="subxComment"># edi = out</span> -<span id="L184" class="LineNr">184 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> -<span id="L185" class="LineNr">185 </span> <span class="subxComment"># edx = outend</span> -<span id="L186" class="LineNr">186 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> -<span id="L187" class="LineNr">187 </span> <span class="subxComment"># esi = in</span> -<span id="L188" class="LineNr">188 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to esi</span> -<span id="L189" class="LineNr">189 </span> <span class="subxComment"># ecx = inend</span> -<span id="L190" class="LineNr">190 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+20) to ecx</span> -<span id="L191" class="LineNr">191 </span><span class="Constant">$_append-4:loop</span>: -<span id="L192" class="LineNr">192 </span> <span class="subxComment"># if (in >= inend) break</span> -<span id="L193" class="LineNr">193 </span> 39/compare 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare esi with ecx</span> -<span id="L194" class="LineNr">194 </span> 73/jump-if-addr>= $_append-4:end/disp8 -<span id="L195" class="LineNr">195 </span> <span class="subxComment"># if (out >= outend) abort # just to catch test failures fast</span> -<span id="L196" class="LineNr">196 </span> 39/compare 3/mod/direct 7/rm32/edi <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 edi with edx</span> -<span id="L197" class="LineNr">197 </span> 0f 83/jump-if-addr>= $_append-4:<a href='317abort.subx.html#L5'>abort</a>/disp32 -<span id="L198" class="LineNr">198 </span> <span class="subxComment"># *out = *in</span> -<span id="L199" class="LineNr">199 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to BL</span> -<span id="L200" class="LineNr">200 </span> 88/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at BL to *edi</span> -<span id="L201" class="LineNr">201 </span> <span class="subxComment"># ++num_bytes_appended</span> -<span id="L202" class="LineNr">202 </span> 40/increment-eax -<span id="L203" class="LineNr">203 </span> <span class="subxComment"># ++in</span> -<span id="L204" class="LineNr">204 </span> 46/increment-esi -<span id="L205" class="LineNr">205 </span> <span class="subxComment"># ++out</span> -<span id="L206" class="LineNr">206 </span> 47/increment-edi -<span id="L207" class="LineNr">207 </span> eb/jump $_append-4:<span class="Constant">loop</span>/disp8 -<span id="L208" class="LineNr">208 </span><span class="Constant">$_append-4:end</span>: -<span id="L209" class="LineNr">209 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L210" class="LineNr">210 </span> 5f/pop-to-edi -<span id="L211" class="LineNr">211 </span> 5e/pop-to-esi -<span id="L212" class="LineNr">212 </span> 5b/pop-to-ebx -<span id="L213" class="LineNr">213 </span> 5a/pop-to-edx -<span id="L214" class="LineNr">214 </span> 59/pop-to-ecx -<span id="L215" class="LineNr">215 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L216" class="LineNr">216 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L217" class="LineNr">217 </span> 5d/pop-to-ebp -<span id="L218" class="LineNr">218 </span> c3/return -<span id="L219" class="LineNr">219 </span> -<span id="L220" class="LineNr">220 </span><span class="Constant">$_append-4:<a href='317abort.subx.html#L5'>abort</a></span>: -<span id="L221" class="LineNr">221 </span> (<a href='501draw-text.mu.html#L258'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"_append-4: stream full at "</span> 3 0) <span class="subxComment"># 3=cyan</span> -<span id="L222" class="LineNr">222 </span> (<a href='501draw-text.mu.html#L312'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax 3 0) -<span id="L223" class="LineNr">223 </span> (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">""</span>) -<span id="L224" class="LineNr">224 </span> <span class="subxComment"># never gets here</span> -<span id="L225" class="LineNr">225 </span> -<span id="L226" class="LineNr">226 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L138" class="LineNr">138 </span><span class="subxFunction">try-write</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte) -> overflow?/eax: boolean</span> +<span id="L139" class="LineNr">139 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L140" class="LineNr">140 </span> 55/push-ebp +<span id="L141" class="LineNr">141 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># if (s == 0) return</span> +<span id="L143" class="LineNr">143 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 0/imm32 <span class="subxComment"># compare *(ebp+12)</span> +<span id="L144" class="LineNr">144 </span> 74/jump-if-= $write:end/disp8 +<span id="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L146" class="LineNr">146 </span> 51/push-ecx +<span id="L147" class="LineNr">147 </span> <span class="subxComment"># if (f->size - f->write < s->size) return</span> +<span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . eax = f->size - f->write - s->size</span> +<span id="L149" class="LineNr">149 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L150" class="LineNr">150 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+8) to eax</span> +<span id="L151" class="LineNr">151 </span> 2b/subtract 0/mod/indirect 1/rm32/ecx <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"># subtract *ecx from eax</span> +<span id="L152" class="LineNr">152 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L153" class="LineNr">153 </span> 2b/subtract 0/mod/indirect 1/rm32/ecx <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"># subtract *ecx from eax</span> +<span id="L154" class="LineNr">154 </span> <span class="subxS1Comment"># . if (eax < 0) return</span> +<span id="L155" class="LineNr">155 </span> 3d/compare-eax-and 0/imm32 +<span id="L156" class="LineNr">156 </span> 7c/jump-if-< $try-write:end/disp8 +<span id="L157" class="LineNr">157 </span> <span class="subxComment"># write(f, s)</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L159" class="LineNr">159 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L160" class="LineNr">160 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . call</span> +<span id="L162" class="LineNr">162 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L164" class="LineNr">164 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L166" class="LineNr">166 </span> 59/pop-to-ecx +<span id="L167" class="LineNr">167 </span> <span class="subxComment"># return 0</span> +<span id="L168" class="LineNr">168 </span> b8/copy-to-eax 0/imm32 +<span id="L169" class="LineNr">169 </span><span class="Constant">$try-write:end</span>: +<span id="L170" class="LineNr">170 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L171" class="LineNr">171 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L172" class="LineNr">172 </span> 5d/pop-to-ebp +<span id="L173" class="LineNr">173 </span> c3/return +<span id="L174" class="LineNr">174 </span> +<span id="L175" class="LineNr">175 </span><span class="subxComment"># probably a bad idea</span> +<span id="L176" class="LineNr">176 </span><span class="subxFunction">space-remaining-in-stream</span>: <span class="subxComment"># f: (addr stream byte) -> n/eax: int</span> +<span id="L177" class="LineNr">177 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L178" class="LineNr">178 </span> 55/push-ebp +<span id="L179" class="LineNr">179 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L180" class="LineNr">180 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L181" class="LineNr">181 </span> 51/push-ecx +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># return f->size - f->write</span> +<span id="L183" class="LineNr">183 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L184" class="LineNr">184 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+8) to eax</span> +<span id="L185" class="LineNr">185 </span> 2b/subtract 0/mod/indirect 1/rm32/ecx <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"># subtract *ecx from eax</span> +<span id="L186" class="LineNr">186 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L187" class="LineNr">187 </span> 59/pop-to-ecx +<span id="L188" class="LineNr">188 </span><span class="Constant">$space-remaining-in-stream:end</span>: +<span id="L189" class="LineNr">189 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L190" class="LineNr">190 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L191" class="LineNr">191 </span> 5d/pop-to-ebp +<span id="L192" class="LineNr">192 </span> c3/return +<span id="L193" class="LineNr">193 </span> +<span id="L194" class="LineNr">194 </span><span class="subxFunction">stream-size</span>: <span class="subxComment"># f: (addr stream byte) -> n/eax: int</span> +<span id="L195" class="LineNr">195 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L196" class="LineNr">196 </span> 55/push-ebp +<span id="L197" class="LineNr">197 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L198" class="LineNr">198 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L199" class="LineNr">199 </span> 51/push-ecx +<span id="L200" class="LineNr">200 </span> <span class="subxComment"># return f->write</span> +<span id="L201" class="LineNr">201 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L202" class="LineNr">202 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <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 *ecx to eax</span> +<span id="L203" class="LineNr">203 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L204" class="LineNr">204 </span> 59/pop-to-ecx +<span id="L205" class="LineNr">205 </span><span class="Constant">$space-remaining-in-stream:end</span>: +<span id="L206" class="LineNr">206 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L207" class="LineNr">207 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L208" class="LineNr">208 </span> 5d/pop-to-ebp +<span id="L209" class="LineNr">209 </span> c3/return +<span id="L210" class="LineNr">210 </span> +<span id="L211" class="LineNr">211 </span><span class="subxComment"># 3-argument variant of _append</span> +<span id="L212" class="LineNr">212 </span><span class="subxMinorFunction">_append-3</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), s: (addr array byte) -> num_bytes_appended/eax</span> +<span id="L213" class="LineNr">213 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L214" class="LineNr">214 </span> 55/push-ebp +<span id="L215" class="LineNr">215 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L216" class="LineNr">216 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L217" class="LineNr">217 </span> 51/push-ecx +<span id="L218" class="LineNr">218 </span> <span class="subxComment"># if (outend - out < s->size) abort</span> +<span id="L219" class="LineNr">219 </span> <span class="subxS1Comment"># . eax = f->size - f->write - s->size</span> +<span id="L220" class="LineNr">220 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span> +<span id="L221" class="LineNr">221 </span> 2b/subtract 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># subtract *(ebp+8) from eax</span> +<span id="L222" class="LineNr">222 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to ecx</span> +<span id="L223" class="LineNr">223 </span> 2b/subtract 0/mod/indirect 1/rm32/ecx <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"># subtract *ecx from eax</span> +<span id="L224" class="LineNr">224 </span> <span class="subxS1Comment"># . if (eax < 0) abort</span> +<span id="L225" class="LineNr">225 </span> 3d/compare-eax-and 0/imm32 +<span id="L226" class="LineNr">226 </span> 7c/jump-if-< $_append-3:<a href='317abort.subx.html#L5'>abort</a>/disp8 +<span id="L227" class="LineNr">227 </span> <span class="subxComment"># eax = _append-4(out, outend, &s->data[0], &s->data[s->size])</span> +<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . push &s->data[s->size]</span> +<span id="L229" class="LineNr">229 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> +<span id="L230" class="LineNr">230 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L231" class="LineNr">231 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L232" class="LineNr">232 </span> 51/push-ecx +<span id="L233" class="LineNr">233 </span> <span class="subxS2Comment"># . . push &s->data[0]</span> +<span id="L234" class="LineNr">234 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+4 to ecx</span> +<span id="L235" class="LineNr">235 </span> 51/push-ecx +<span id="L236" class="LineNr">236 </span> <span class="subxS2Comment"># . . push outend</span> +<span id="L237" class="LineNr">237 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L238" class="LineNr">238 </span> <span class="subxS2Comment"># . . push out</span> +<span id="L239" class="LineNr">239 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . call</span> +<span id="L241" class="LineNr">241 </span> e8/call <a href='108write.subx.html#L257'>_append-4</a>/disp32 +<span id="L242" class="LineNr">242 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L243" class="LineNr">243 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L244" class="LineNr">244 </span><span class="Constant">$_append-3:end</span>: +<span id="L245" class="LineNr">245 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L246" class="LineNr">246 </span> 59/pop-to-ecx +<span id="L247" class="LineNr">247 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L248" class="LineNr">248 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L249" class="LineNr">249 </span> 5d/pop-to-ebp +<span id="L250" class="LineNr">250 </span> c3/return +<span id="L251" class="LineNr">251 </span> +<span id="L252" class="LineNr">252 </span><span class="Constant">$_append-3:<a href='317abort.subx.html#L5'>abort</a></span>: +<span id="L253" class="LineNr">253 </span> (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">"_append-3 about to overflow"</span>) <span class="subxComment"># 3=cyan</span> +<span id="L254" class="LineNr">254 </span> <span class="subxComment"># never gets here</span> +<span id="L255" class="LineNr">255 </span> +<span id="L256" class="LineNr">256 </span><span class="subxComment"># 4-argument variant of _append</span> +<span id="L257" class="LineNr">257 </span><span class="subxMinorFunction">_append-4</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), in: (addr byte), inend: (addr byte) -> num_bytes_appended/eax: int</span> +<span id="L258" class="LineNr">258 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L259" class="LineNr">259 </span> 55/push-ebp +<span id="L260" class="LineNr">260 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L261" class="LineNr">261 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L262" class="LineNr">262 </span> 51/push-ecx +<span id="L263" class="LineNr">263 </span> 52/push-edx +<span id="L264" class="LineNr">264 </span> 53/push-ebx +<span id="L265" class="LineNr">265 </span> 56/push-esi +<span id="L266" class="LineNr">266 </span> 57/push-edi +<span id="L267" class="LineNr">267 </span> <span class="subxComment"># num_bytes_appended = 0</span> +<span id="L268" class="LineNr">268 </span> b8/copy-to-eax 0/imm32 +<span id="L269" class="LineNr">269 </span> <span class="subxComment"># edi = out</span> +<span id="L270" class="LineNr">270 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> +<span id="L271" class="LineNr">271 </span> <span class="subxComment"># edx = outend</span> +<span id="L272" class="LineNr">272 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> +<span id="L273" class="LineNr">273 </span> <span class="subxComment"># esi = in</span> +<span id="L274" class="LineNr">274 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to esi</span> +<span id="L275" class="LineNr">275 </span> <span class="subxComment"># ecx = inend</span> +<span id="L276" class="LineNr">276 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+20) to ecx</span> +<span id="L277" class="LineNr">277 </span><span class="Constant">$_append-4:loop</span>: +<span id="L278" class="LineNr">278 </span> <span class="subxComment"># if (in >= inend) break</span> +<span id="L279" class="LineNr">279 </span> 39/compare 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare esi with ecx</span> +<span id="L280" class="LineNr">280 </span> 73/jump-if-addr>= $_append-4:end/disp8 +<span id="L281" class="LineNr">281 </span> <span class="subxComment"># if (out >= outend) abort # just to catch test failures fast</span> +<span id="L282" class="LineNr">282 </span> 39/compare 3/mod/direct 7/rm32/edi <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 edi with edx</span> +<span id="L283" class="LineNr">283 </span> 0f 83/jump-if-addr>= $_append-4:<a href='317abort.subx.html#L5'>abort</a>/disp32 +<span id="L284" class="LineNr">284 </span> <span class="subxComment"># *out = *in</span> +<span id="L285" class="LineNr">285 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to BL</span> +<span id="L286" class="LineNr">286 </span> 88/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at BL to *edi</span> +<span id="L287" class="LineNr">287 </span> <span class="subxComment"># ++num_bytes_appended</span> +<span id="L288" class="LineNr">288 </span> 40/increment-eax +<span id="L289" class="LineNr">289 </span> <span class="subxComment"># ++in</span> +<span id="L290" class="LineNr">290 </span> 46/increment-esi +<span id="L291" class="LineNr">291 </span> <span class="subxComment"># ++out</span> +<span id="L292" class="LineNr">292 </span> 47/increment-edi +<span id="L293" class="LineNr">293 </span> eb/jump $_append-4:<span class="Constant">loop</span>/disp8 +<span id="L294" class="LineNr">294 </span><span class="Constant">$_append-4:end</span>: +<span id="L295" class="LineNr">295 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L296" class="LineNr">296 </span> 5f/pop-to-edi +<span id="L297" class="LineNr">297 </span> 5e/pop-to-esi +<span id="L298" class="LineNr">298 </span> 5b/pop-to-ebx +<span id="L299" class="LineNr">299 </span> 5a/pop-to-edx +<span id="L300" class="LineNr">300 </span> 59/pop-to-ecx +<span id="L301" class="LineNr">301 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L302" class="LineNr">302 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L303" class="LineNr">303 </span> 5d/pop-to-ebp +<span id="L304" class="LineNr">304 </span> c3/return +<span id="L305" class="LineNr">305 </span> +<span id="L306" class="LineNr">306 </span><span class="Constant">$_append-4:<a href='317abort.subx.html#L5'>abort</a></span>: +<span id="L307" class="LineNr">307 </span> (<a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"_append-4: stream full at "</span> 3 0) <span class="subxComment"># 3=cyan</span> +<span id="L308" class="LineNr">308 </span> (<a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax 3 0) +<span id="L309" class="LineNr">309 </span> (<a href='317abort.subx.html#L5'>abort</a> <span class="Constant">""</span>) +<span id="L310" class="LineNr">310 </span> <span class="subxComment"># never gets here</span> +<span id="L311" class="LineNr">311 </span> +<span id="L312" class="LineNr">312 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> |