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| author | Kartik Agaram <vc@akkartik.com> | 2019-02-18 22:43:01 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-02-18 22:43:01 -0800 |
| commit | e99038ea514a8703b170689d5a0730c8d2e542e7 (patch) | |
| tree | 841f1bb5b26c8110ba272dcae9d6a84d083c783e /html/subx/057write.subx.html | |
| parent | 8188bbbc9408322c18cdc2d1049126900abf793c (diff) | |
| download | mu-e99038ea514a8703b170689d5a0730c8d2e542e7.tar.gz | |
4982
Diffstat (limited to 'html/subx/057write.subx.html')
| -rw-r--r-- | html/subx/057write.subx.html | 276 |
1 files changed, 134 insertions, 142 deletions
diff --git a/html/subx/057write.subx.html b/html/subx/057write.subx.html index fc3e5269..a9f9a116 100644 --- a/html/subx/057write.subx.html +++ b/html/subx/057write.subx.html @@ -19,7 +19,6 @@ a { color:inherit; } .subxMinorFunction { color: #875f5f; } .LineNr { } .subxS1Comment { color: #0000af; } -.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxTest { color: #5f8700; } .Constant { color: #008787; } @@ -81,149 +80,142 @@ if ('onhashchange' in window) { <span id="L20" class="LineNr"> 20 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L21" class="LineNr"> 21 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L22" class="LineNr"> 22 </span> -<span id="L23" class="LineNr"> 23 </span><span class="subxComment"># main:</span> -<span id="L24" class="LineNr"> 24 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L26" class="LineNr"> 26 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L27" class="LineNr"> 27 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L28" class="LineNr"> 28 </span> cd/syscall 0x80/imm8 -<span id="L29" class="LineNr"> 29 </span> -<span id="L30" class="LineNr"> 30 </span><span class="subxComment"># TODO: come up with a way to signal when a write to disk fails</span> -<span id="L31" class="LineNr"> 31 </span><span class="subxFunction">write</span>: <span class="subxComment"># f : fd or (address stream), s : (address array byte) -> <void></span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L33" class="LineNr"> 33 </span> 55/push-EBP -<span id="L34" class="LineNr"> 34 </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="L35" class="LineNr"> 35 </span> <span class="subxComment"># if (f < 0x08000000) _write(f, s) and return # f can't be a user-mode address, so treat it as a kernel file descriptor</span> -<span id="L36" class="LineNr"> 36 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L37" class="LineNr"> 37 </span> 7d/jump-if-greater-or-equal $write:fake/disp8 -<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L39" class="LineNr"> 39 </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="L40" class="LineNr"> 40 </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="L41" class="LineNr"> 41 </span> <span class="subxS2Comment"># . . call</span> -<span id="L42" class="LineNr"> 42 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 -<span id="L43" class="LineNr"> 43 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L44" class="LineNr"> 44 </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="L45" class="LineNr"> 45 </span> eb/jump $write:end/disp8 -<span id="L46" class="LineNr"> 46 </span><span class="Constant">$write:fake</span>: -<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span> -<span id="L48" class="LineNr"> 48 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L49" class="LineNr"> 49 </span> 50/push-EAX -<span id="L50" class="LineNr"> 50 </span> 51/push-ECX -<span id="L51" class="LineNr"> 51 </span> 52/push-EDX -<span id="L52" class="LineNr"> 52 </span> 53/push-EBX -<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># ECX = f</span> -<span id="L54" class="LineNr"> 54 </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="L55" class="LineNr"> 55 </span> <span class="subxComment"># EDX = f->write</span> -<span id="L56" class="LineNr"> 56 </span> 8b/copy 0/mod/indirect 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"># copy *ECX to EDX</span> -<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># EBX = f->length</span> -<span id="L58" class="LineNr"> 58 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+8) to EBX</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># EAX = _append-3(&f->data[f->write], &f->data[f->length], s)</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push s</span> -<span id="L61" class="LineNr"> 61 </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="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . push &f->data[f->length]</span> -<span id="L63" class="LineNr"> 63 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 3/index/EBX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX+EBX+12 to EBX</span> -<span id="L64" class="LineNr"> 64 </span> 53/push-EBX -<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> -<span id="L66" class="LineNr"> 66 </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="L67" class="LineNr"> 67 </span> 53/push-EBX -<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . call</span> -<span id="L69" class="LineNr"> 69 </span> e8/call <a href='056trace.subx.html#L277'>_append-3</a>/disp32 -<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L71" class="LineNr"> 71 </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="L72" class="LineNr"> 72 </span> <span class="subxComment"># f->write += EAX</span> -<span id="L73" class="LineNr"> 73 </span> 01/add 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"># add EAX to *ECX</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L75" class="LineNr"> 75 </span> 5b/pop-to-EBX -<span id="L76" class="LineNr"> 76 </span> 5a/pop-to-EDX -<span id="L77" class="LineNr"> 77 </span> 59/pop-to-ECX -<span id="L78" class="LineNr"> 78 </span> 58/pop-to-EAX -<span id="L79" class="LineNr"> 79 </span><span class="Constant">$write:end</span>: -<span id="L80" class="LineNr"> 80 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L81" class="LineNr"> 81 </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="L82" class="LineNr"> 82 </span> 5d/pop-to-EBP -<span id="L83" class="LineNr"> 83 </span> c3/return -<span id="L84" class="LineNr"> 84 </span> -<span id="L85" class="LineNr"> 85 </span><span class="subxTest">test-write-single</span>: -<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L23" class="LineNr"> 23 </span><span class="subxComment"># TODO: come up with a way to signal when a write to disk fails</span> +<span id="L24" class="LineNr"> 24 </span><span class="subxFunction">write</span>: <span class="subxComment"># f : fd or (address stream), s : (address array byte) -> <void></span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L26" class="LineNr"> 26 </span> 55/push-EBP +<span id="L27" class="LineNr"> 27 </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="L28" class="LineNr"> 28 </span> <span class="subxComment"># if (f < 0x08000000) _write(f, s) and return # f can't be a user-mode address, so treat it as a kernel file descriptor</span> +<span id="L29" class="LineNr"> 29 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L30" class="LineNr"> 30 </span> 7d/jump-if-greater-or-equal $write:fake/disp8 +<span id="L31" class="LineNr"> 31 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L32" class="LineNr"> 32 </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="L33" class="LineNr"> 33 </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="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . call</span> +<span id="L35" class="LineNr"> 35 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 +<span id="L36" class="LineNr"> 36 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L37" class="LineNr"> 37 </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="L38" class="LineNr"> 38 </span> eb/jump $write:end/disp8 +<span id="L39" class="LineNr"> 39 </span><span class="Constant">$write:fake</span>: +<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L42" class="LineNr"> 42 </span> 50/push-EAX +<span id="L43" class="LineNr"> 43 </span> 51/push-ECX +<span id="L44" class="LineNr"> 44 </span> 52/push-EDX +<span id="L45" class="LineNr"> 45 </span> 53/push-EBX +<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># ECX = f</span> +<span id="L47" class="LineNr"> 47 </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="L48" class="LineNr"> 48 </span> <span class="subxComment"># EDX = f->write</span> +<span id="L49" class="LineNr"> 49 </span> 8b/copy 0/mod/indirect 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"># copy *ECX to EDX</span> +<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># EBX = f->length</span> +<span id="L51" class="LineNr"> 51 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+8) to EBX</span> +<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># EAX = _append-3(&f->data[f->write], &f->data[f->length], s)</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxS2Comment"># . . push s</span> +<span id="L54" class="LineNr"> 54 </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="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . push &f->data[f->length]</span> +<span id="L56" class="LineNr"> 56 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 3/index/EBX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX+EBX+12 to EBX</span> +<span id="L57" class="LineNr"> 57 </span> 53/push-EBX +<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> +<span id="L59" class="LineNr"> 59 </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="L60" class="LineNr"> 60 </span> 53/push-EBX +<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . call</span> +<span id="L62" class="LineNr"> 62 </span> e8/call <a href='056trace.subx.html#L269'>_append-3</a>/disp32 +<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L64" class="LineNr"> 64 </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="L65" class="LineNr"> 65 </span> <span class="subxComment"># f->write += EAX</span> +<span id="L66" class="LineNr"> 66 </span> 01/add 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"># add EAX to *ECX</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L68" class="LineNr"> 68 </span> 5b/pop-to-EBX +<span id="L69" class="LineNr"> 69 </span> 5a/pop-to-EDX +<span id="L70" class="LineNr"> 70 </span> 59/pop-to-ECX +<span id="L71" class="LineNr"> 71 </span> 58/pop-to-EAX +<span id="L72" class="LineNr"> 72 </span><span class="Constant">$write:end</span>: +<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L74" class="LineNr"> 74 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L75" class="LineNr"> 75 </span> 5d/pop-to-EBP +<span id="L76" class="LineNr"> 76 </span> c3/return +<span id="L77" class="LineNr"> 77 </span> +<span id="L78" class="LineNr"> 78 </span><span class="subxTest">test-write-single</span>: +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L81" class="LineNr"> 81 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> +<span id="L83" class="LineNr"> 83 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> <span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L88" class="LineNr"> 88 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . call</span> -<span id="L90" class="LineNr"> 90 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L92" class="LineNr"> 92 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> -<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L95" class="LineNr"> 95 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L96" class="LineNr"> 96 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . call</span> -<span id="L98" class="LineNr"> 98 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L100" class="LineNr">100 </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="L101" class="LineNr">101 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 41/A 62/b 00 00, msg)</span> -<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L103" class="LineNr">103 </span> 68/push <span class="Constant">"F - test-write-single"</span>/imm32 -<span id="L104" class="LineNr">104 </span> 68/push 0x006241/imm32/Ab -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L106" class="LineNr">106 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L107" class="LineNr">107 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <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 *(EAX+12)</span> -<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . call</span> -<span id="L109" class="LineNr">109 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/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="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="L112" class="LineNr">112 </span> <span class="subxComment"># end</span> -<span id="L113" class="LineNr">113 </span> c3/return -<span id="L114" class="LineNr">114 </span> -<span id="L115" class="LineNr">115 </span><span class="subxTest">test-write-appends</span>: -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L88" class="LineNr"> 88 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L89" class="LineNr"> 89 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . call</span> +<span id="L91" class="LineNr"> 91 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L93" class="LineNr"> 93 </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="L94" class="LineNr"> 94 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 41/A 62/b 00 00, msg)</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L96" class="LineNr"> 96 </span> 68/push <span class="Constant">"F - test-write-single"</span>/imm32 +<span id="L97" class="LineNr"> 97 </span> 68/push 0x006241/imm32/Ab +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L99" class="LineNr"> 99 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L100" class="LineNr">100 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <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 *(EAX+12)</span> +<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . call</span> +<span id="L102" class="LineNr">102 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L104" class="LineNr">104 </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="L105" class="LineNr">105 </span> <span class="subxComment"># end</span> +<span id="L106" class="LineNr">106 </span> c3/return +<span id="L107" class="LineNr">107 </span> +<span id="L108" class="LineNr">108 </span><span class="subxTest">test-write-appends</span>: +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L111" class="LineNr">111 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . call</span> +<span id="L113" class="LineNr">113 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L115" class="LineNr">115 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L116" class="LineNr">116 </span> <span class="subxComment"># write(_test-stream, "C")</span> <span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L118" class="LineNr">118 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . call</span> -<span id="L120" class="LineNr">120 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L122" class="LineNr">122 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L123" class="LineNr">123 </span> <span class="subxComment"># write(_test-stream, "C")</span> -<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L125" class="LineNr">125 </span> 68/push <span class="Constant">"C"</span>/imm32 -<span id="L126" class="LineNr">126 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . call</span> -<span id="L128" class="LineNr">128 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L130" class="LineNr">130 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment"># write(_test-stream, "D")</span> -<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L133" class="LineNr">133 </span> 68/push <span class="Constant">"D"</span>/imm32 -<span id="L134" class="LineNr">134 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . call</span> -<span id="L136" class="LineNr">136 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L138" class="LineNr">138 </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="L139" class="LineNr">139 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 43/C 44/D 00 00, msg)</span> -<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L141" class="LineNr">141 </span> 68/push <span class="Constant">"F - test-write-appends"</span>/imm32 -<span id="L142" class="LineNr">142 </span> 68/push 0x00004443/imm32/C-D -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L144" class="LineNr">144 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L145" class="LineNr">145 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <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 *(EAX+12)</span> -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . call</span> -<span id="L147" class="LineNr">147 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L149" class="LineNr">149 </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="L150" class="LineNr">150 </span> <span class="subxComment"># end</span> -<span id="L151" class="LineNr">151 </span> c3/return -<span id="L152" class="LineNr">152 </span> -<span id="L153" class="LineNr">153 </span>== data -<span id="L154" class="LineNr">154 </span> -<span id="L155" class="LineNr">155 </span><span class="subxMinorFunction">_test-stream</span>: -<span id="L156" class="LineNr">156 </span> <span class="subxComment"># current write index</span> -<span id="L157" class="LineNr">157 </span> 00 00 00 00 -<span id="L158" class="LineNr">158 </span> <span class="subxComment"># current read index</span> -<span id="L159" class="LineNr">159 </span> 00 00 00 00 -<span id="L160" class="LineNr">160 </span> <span class="subxComment"># length (= 8)</span> -<span id="L161" class="LineNr">161 </span> 08 00 00 00 -<span id="L162" class="LineNr">162 </span> <span class="subxComment"># data</span> -<span id="L163" class="LineNr">163 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L164" class="LineNr">164 </span> -<span id="L165" class="LineNr">165 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L118" class="LineNr">118 </span> 68/push <span class="Constant">"C"</span>/imm32 +<span id="L119" class="LineNr">119 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . call</span> +<span id="L121" class="LineNr">121 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L123" class="LineNr">123 </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="L124" class="LineNr">124 </span> <span class="subxComment"># write(_test-stream, "D")</span> +<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L126" class="LineNr">126 </span> 68/push <span class="Constant">"D"</span>/imm32 +<span id="L127" class="LineNr">127 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . call</span> +<span id="L129" class="LineNr">129 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L131" class="LineNr">131 </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="L132" class="LineNr">132 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 43/C 44/D 00 00, msg)</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L134" class="LineNr">134 </span> 68/push <span class="Constant">"F - test-write-appends"</span>/imm32 +<span id="L135" class="LineNr">135 </span> 68/push 0x00004443/imm32/C-D +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L137" class="LineNr">137 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L138" class="LineNr">138 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <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 *(EAX+12)</span> +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . call</span> +<span id="L140" class="LineNr">140 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L142" class="LineNr">142 </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="L143" class="LineNr">143 </span> <span class="subxComment"># end</span> +<span id="L144" class="LineNr">144 </span> c3/return +<span id="L145" class="LineNr">145 </span> +<span id="L146" class="LineNr">146 </span>== data +<span id="L147" class="LineNr">147 </span> +<span id="L148" class="LineNr">148 </span><span class="subxMinorFunction">_test-stream</span>: +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># current write index</span> +<span id="L150" class="LineNr">150 </span> 0/imm32 +<span id="L151" class="LineNr">151 </span> <span class="subxComment"># current read index</span> +<span id="L152" class="LineNr">152 </span> 0/imm32 +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># length</span> +<span id="L154" class="LineNr">154 </span> 8/imm32 +<span id="L155" class="LineNr">155 </span> <span class="subxComment"># data</span> +<span id="L156" class="LineNr">156 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L157" class="LineNr">157 </span> +<span id="L158" class="LineNr">158 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> |