diff options
Diffstat (limited to 'html/053new-segment.subx.html')
-rw-r--r-- | html/053new-segment.subx.html | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/html/053new-segment.subx.html b/html/053new-segment.subx.html index 0fdfaff2..fac198a7 100644 --- a/html/053new-segment.subx.html +++ b/html/053new-segment.subx.html @@ -65,8 +65,8 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxComment"># Currently an allocation descriptor consists of just the bounds of the pool of</span> <span id="L6" class="LineNr"> 6 </span><span class="subxComment"># available memory:</span> <span id="L7" class="LineNr"> 7 </span><span class="subxComment">#</span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># curr : address</span> -<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># end : address</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># curr: address</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># end: address</span> <span id="L10" class="LineNr">10 </span><span class="subxComment">#</span> <span id="L11" class="LineNr">11 </span><span class="subxComment"># This isn't enough information to reclaim individual allocations. We can't</span> <span id="L12" class="LineNr">12 </span><span class="subxComment"># support arbitrary reclamation yet.</span> @@ -77,7 +77,7 @@ if ('onhashchange' in window) { <span id="L17" class="LineNr">17 </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="L18" class="LineNr">18 </span> <span id="L19" class="LineNr">19 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># manual test</span> -<span id="L20" class="LineNr">20 </span> <span class="subxComment"># var ad/ecx : allocation-descriptor</span> +<span id="L20" class="LineNr">20 </span> <span class="subxComment"># var ad/ecx: allocation-descriptor</span> <span id="L21" class="LineNr">21 </span> 68/push 0/imm32/limit <span id="L22" class="LineNr">22 </span> 68/push 0/imm32/curr <span id="L23" class="LineNr">23 </span> 89/copy 3/mod/direct 1/rm32/ecx <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 ecx</span> @@ -89,7 +89,7 @@ if ('onhashchange' in window) { <span id="L29" class="LineNr">29 </span> e8/call <a href='053new-segment.subx.html#L41'>new-segment</a>/disp32 <span id="L30" class="LineNr">30 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L31" class="LineNr">31 </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="L32" class="LineNr">32 </span> <span class="subxComment"># var eax : (addr _) = ad->curr</span> +<span id="L32" class="LineNr">32 </span> <span class="subxComment"># var eax: (addr _) = ad->curr</span> <span id="L33" class="LineNr">33 </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="L34" class="LineNr">34 </span> <span class="subxComment"># write to *eax to check that we have access to the newly-allocated segment</span> <span id="L35" class="LineNr">35 </span> c7 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x34/imm32 <span class="subxComment"># copy to *eax</span> @@ -98,7 +98,7 @@ if ('onhashchange' in window) { <span id="L38" class="LineNr">38 </span> b8/copy-to-eax 1/imm32/exit <span id="L39" class="LineNr">39 </span> cd/syscall 0x80/imm8 <span id="L40" class="LineNr">40 </span> -<span id="L41" class="LineNr">41 </span><span class="subxFunction">new-segment</span>: <span class="subxComment"># len : int, ad : allocation-descriptor</span> +<span id="L41" class="LineNr">41 </span><span class="subxFunction">new-segment</span>: <span class="subxComment"># len: int, ad: (addr allocation-descriptor)</span> <span id="L42" class="LineNr">42 </span> <span class="subxS1Comment"># . prologue</span> <span id="L43" class="LineNr">43 </span> 55/push-ebp <span id="L44" class="LineNr">44 </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> @@ -115,9 +115,9 @@ if ('onhashchange' in window) { <span id="L55" class="LineNr">55 </span> <span class="subxComment"># copy {eax, eax+len} to *ad</span> <span id="L56" class="LineNr">56 </span> <span class="subxS1Comment"># . ebx = ad</span> <span id="L57" class="LineNr">57 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ebx</span> -<span id="L58" class="LineNr">58 </span> <span class="subxS1Comment"># . *ebx = eax</span> +<span id="L58" class="LineNr">58 </span> <span class="subxS1Comment"># . ad->curr = eax</span> <span id="L59" class="LineNr">59 </span> 89/copy 0/mod/indirect 3/rm32/ebx <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 eax to *ebx</span> -<span id="L60" class="LineNr">60 </span> <span class="subxS1Comment"># . *(ebx+4) = eax+len</span> +<span id="L60" class="LineNr">60 </span> <span class="subxS1Comment"># . ad->end = eax+len</span> <span id="L61" class="LineNr">61 </span> 03/add 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"># add *(ebp+8) to eax</span> <span id="L62" class="LineNr">62 </span> 89/copy 1/mod/*+disp8 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(ebx+4)</span> <span id="L63" class="LineNr">63 </span><span class="Constant">$new-segment:end</span>: |