|
|
<!DOCTYPE html>
|
|
|
<html lang="en">
|
|
|
<head>
|
|
|
<meta charset="UTF-8">
|
|
|
<title> | tait.tech</title>
|
|
|
<link rel="stylesheet" href="/assets/css/style.css" id="main-stylesheet">
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
|
|
|
|
|
|
|
</head>
|
|
|
<body>
|
|
|
<main>
|
|
|
<div id="wrapper">
|
|
|
<h1 id="cmpt-295--about-our-midterm-2">CMPT 295 – About our Midterm 2</h1>
|
|
|
|
|
|
<h2 id="midterm-2">Midterm 2</h2>
|
|
|
|
|
|
<ul>
|
|
|
<li>When: Friday, Nov. 12, 9:30am – 10:20am</li>
|
|
|
<li>Where: C9001 (same classroom as our lectures)</li>
|
|
|
<li>Duration: 45 minutes (+ 5 minutes to organize ourselves)</li>
|
|
|
</ul>
|
|
|
|
|
|
<h2 id="what-to-study">What to study?</h2>
|
|
|
|
|
|
<p><strong>Everything</strong> we covered up until (and including) our
|
|
|
lecture on Friday, Nov. 5 is subject to examination</p>
|
|
|
|
|
|
<ul>
|
|
|
<li>All material from Lecture 1 until and including Lecture 25 (partial
|
|
|
lecture notes + annotated lecture notes + your own lecture notes +
|
|
|
recorded lectures)</li>
|
|
|
<li>Labs 1 to 4, Assignments 1 to 7 (even though Assignment 7 is due after
|
|
|
our Midterm 2)</li>
|
|
|
<li>All demo code posted on our course web site</li>
|
|
|
<li>All Readings + Practice Problems:
|
|
|
<ul>
|
|
|
<li>Chapters 2 and 3 + Practice Problems (see Midterm 1 Instructions for
|
|
|
listing)</li>
|
|
|
<li>Chapter 3, Section 3.7, 3.8 (skip 3.8.5 and 3.9), 3.10 (skip 3.10.5 and
|
|
|
3.11),
|
|
|
<ul>
|
|
|
<li>Practice Problems 3.32 to 3.40, 3.46, 3.48</li>
|
|
|
</ul>
|
|
|
</li>
|
|
|
</ul>
|
|
|
</li>
|
|
|
<li>Emphasis on the material seen from Lectures 17 to 25</li>
|
|
|
</ul>
|
|
|
|
|
|
<h2 id="format-of-midterm-2">Format of Midterm 2</h2>
|
|
|
|
|
|
<ul>
|
|
|
<li>First section: questions that require short answers. For example:
|
|
|
<ul>
|
|
|
<li>“Yes/no” or</li>
|
|
|
<li>“fill in the blank” or</li>
|
|
|
<li>a few words/numbers</li>
|
|
|
<li>etc…</li>
|
|
|
</ul>
|
|
|
</li>
|
|
|
<li>Second section: questions that require written
|
|
|
answers. For example:
|
|
|
<ul>
|
|
|
<li>Calculating – we always show every step of our work</li>
|
|
|
<li>Writing/completing C or assembly code</li>
|
|
|
<li>Drawing</li>
|
|
|
<li>Hand tracing code</li>
|
|
|
<li>Writing an answer (in English)</li>
|
|
|
<li>etc…</li>
|
|
|
</ul>
|
|
|
</li>
|
|
|
</ul>
|
|
|
|
|
|
<h2 id="appendix">Appendix</h2>
|
|
|
|
|
|
<p>As part of Midterm 2’s appendix, we will
|
|
|
be given the following information:</p>
|
|
|
|
|
|
<p>Table of x86-64 Jumps:</p>
|
|
|
|
|
|
<table>
|
|
|
<thead>
|
|
|
<tr>
|
|
|
<th>Instruction</th>
|
|
|
<th>Condition</th>
|
|
|
<th>Description</th>
|
|
|
</tr>
|
|
|
</thead>
|
|
|
<tbody>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jmp</code></td>
|
|
|
<td>always</td>
|
|
|
<td>Unconditional jump</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">je</code>/<code class="language-plaintext highlighter-rouge">jz</code></td>
|
|
|
<td>ZF</td>
|
|
|
<td>Jump if equal / zero</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jne</code>/<code class="language-plaintext highlighter-rouge">jnz</code></td>
|
|
|
<td>~ZF</td>
|
|
|
<td>Jump if not equal / not zero</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">js</code></td>
|
|
|
<td>SF</td>
|
|
|
<td>Jump if negative</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jns</code></td>
|
|
|
<td>~SF</td>
|
|
|
<td>Jump if nonnegative</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jo</code></td>
|
|
|
<td>OF</td>
|
|
|
<td>Jump if overflow</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jno</code></td>
|
|
|
<td>~OF</td>
|
|
|
<td>Jump if not overflow</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jq</code>/<code class="language-plaintext highlighter-rouge">jnle</code></td>
|
|
|
<td>~(SF ^ OF) & ~ZF</td>
|
|
|
<td>Jump if greater (signed >)</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jge</code>/<code class="language-plaintext highlighter-rouge">jnl</code></td>
|
|
|
<td>~(SF ^ OF)</td>
|
|
|
<td>Jump if greater or equal (signed >=)</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jl</code>/<code class="language-plaintext highlighter-rouge">jnge</code></td>
|
|
|
<td>SF ^ OF</td>
|
|
|
<td>Jump if less (signed <)</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jle</code>/<code class="language-plaintext highlighter-rouge">jng</code></td>
|
|
|
<td>(SF ^ OF) | ZF</td>
|
|
|
<td>Jump if less or equal (signed <=)</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">ja</code>/<code class="language-plaintext highlighter-rouge">jnbe</code></td>
|
|
|
<td>~CF & ~ZF</td>
|
|
|
<td>JumP if greater (unsigned >)</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jae</code>/<code class="language-plaintext highlighter-rouge">jnb</code></td>
|
|
|
<td>~CF</td>
|
|
|
<td>Jump if greater or equal (unsigned >=)</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jb</code>/<code class="language-plaintext highlighter-rouge">jnae</code>/<code class="language-plaintext highlighter-rouge">jc</code></td>
|
|
|
<td>CF</td>
|
|
|
<td>Jump if less (unsigned <)</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td><code class="language-plaintext highlighter-rouge">jbe</code>/<code class="language-plaintext highlighter-rouge">jna</code>/<code class="language-plaintext highlighter-rouge">jnc</code></td>
|
|
|
<td>CF | ZF</td>
|
|
|
<td>Jump if less or equal (unsigned <=)</td>
|
|
|
</tr>
|
|
|
</tbody>
|
|
|
</table>
|
|
|
|
|
|
<p>Table of x86-64 Registers</p>
|
|
|
|
|
|
<table>
|
|
|
<thead>
|
|
|
<tr>
|
|
|
<th>64-bit (quad)</th>
|
|
|
<th>32-bit (double)</th>
|
|
|
<th>16-bit (word)</th>
|
|
|
<th>8-bit (byte)</th>
|
|
|
<th>8-bit (byte)</th>
|
|
|
<th> </th>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<th>63..0</th>
|
|
|
<th>31..0</th>
|
|
|
<th>15..0</th>
|
|
|
<th>15..8</th>
|
|
|
<th>7..0</th>
|
|
|
<th> </th>
|
|
|
</tr>
|
|
|
</thead>
|
|
|
<tbody>
|
|
|
<tr>
|
|
|
<td>rax</td>
|
|
|
<td>eax</td>
|
|
|
<td>ax</td>
|
|
|
<td>ah</td>
|
|
|
<td>al</td>
|
|
|
<td>Return value</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>rbx</td>
|
|
|
<td>ebx</td>
|
|
|
<td>bx</td>
|
|
|
<td>bh</td>
|
|
|
<td>bl</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>rcx</td>
|
|
|
<td>ecx</td>
|
|
|
<td>cx</td>
|
|
|
<td>ch</td>
|
|
|
<td>cl</td>
|
|
|
<td>4th arg</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>rdx</td>
|
|
|
<td>edx</td>
|
|
|
<td>dx</td>
|
|
|
<td>dh</td>
|
|
|
<td>dl</td>
|
|
|
<td>3rd arg</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>rsi</td>
|
|
|
<td>esi</td>
|
|
|
<td>si</td>
|
|
|
<td> </td>
|
|
|
<td>sil</td>
|
|
|
<td>2nd arg</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>rdi</td>
|
|
|
<td>edi</td>
|
|
|
<td>di</td>
|
|
|
<td> </td>
|
|
|
<td>dil</td>
|
|
|
<td>1st arg</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>rbp</td>
|
|
|
<td>ebp</td>
|
|
|
<td>bp</td>
|
|
|
<td> </td>
|
|
|
<td>bpl</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>rsp</td>
|
|
|
<td>esp</td>
|
|
|
<td>sp</td>
|
|
|
<td> </td>
|
|
|
<td>spl</td>
|
|
|
<td>Stack position</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r8</td>
|
|
|
<td>r8d</td>
|
|
|
<td>r8w</td>
|
|
|
<td> </td>
|
|
|
<td>r8b</td>
|
|
|
<td>5th arg</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r9</td>
|
|
|
<td>r9d</td>
|
|
|
<td>r9w</td>
|
|
|
<td> </td>
|
|
|
<td>r9b</td>
|
|
|
<td>6th arg</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r10</td>
|
|
|
<td>r10d</td>
|
|
|
<td>r10w</td>
|
|
|
<td> </td>
|
|
|
<td>r10b</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r11</td>
|
|
|
<td>r11d</td>
|
|
|
<td>r11w</td>
|
|
|
<td> </td>
|
|
|
<td>r11b</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r12</td>
|
|
|
<td>r12d</td>
|
|
|
<td>r12w</td>
|
|
|
<td> </td>
|
|
|
<td>r12b</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r13</td>
|
|
|
<td>r13d</td>
|
|
|
<td>r13w</td>
|
|
|
<td> </td>
|
|
|
<td>r13b</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r14</td>
|
|
|
<td>r14d</td>
|
|
|
<td>r14w</td>
|
|
|
<td> </td>
|
|
|
<td>r14b</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>r15</td>
|
|
|
<td>r15d</td>
|
|
|
<td>r15w</td>
|
|
|
<td> </td>
|
|
|
<td>r15b</td>
|
|
|
<td>Callee served</td>
|
|
|
</tr>
|
|
|
</tbody>
|
|
|
</table>
|
|
|
|
|
|
<p>and the powers of 2 from <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mn>2</mn><mrow><mo>−</mo><mn>10</mn></mrow></msup></mrow><annotation encoding="application/x-tex">2^{-10}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8141079999999999em;vertical-align:0em;"></span><span class="mord"><span class="mord">2</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141079999999999em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">−</span><span class="mord mtight">10</span></span></span></span></span></span></span></span></span></span></span></span> to <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mn>2</mn><mn>16</mn></msup></mrow><annotation encoding="application/x-tex">2^{16}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8141079999999999em;vertical-align:0em;"></span><span class="mord"><span class="mord">2</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141079999999999em;"><span style="top:-3.063em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">16</span></span></span></span></span></span></span></span></span></span></span></span> in decimal.</p>
|
|
|
|
|
|
<h2 id="exam-seating-arrangement">Exam Seating Arrangement</h2>
|
|
|
|
|
|
<ul>
|
|
|
<li>S represents a student seated at a seat</li>
|
|
|
<li>X represents a vacant seat</li>
|
|
|
</ul>
|
|
|
|
|
|
<p>Front of classroom is the bottom of the table:</p>
|
|
|
|
|
|
<table>
|
|
|
<tbody>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
<tr>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
<td>X</td>
|
|
|
<td>S</td>
|
|
|
</tr>
|
|
|
</tbody>
|
|
|
</table>
|
|
|
|
|
|
<p>EVERYTHING HERE (the front of the class) (included cell phones, computer and calculator)!
|
|
|
Keep pens, pencils, eraser with you!</p>
|
|
|
|
|
|
<h2 id="before-the-midterm">Before the midterm</h2>
|
|
|
|
|
|
<ul>
|
|
|
<li>Once you have received your midterm, leave the
|
|
|
midterm face up on your table</li>
|
|
|
<li>Read its instructions on its first page</li>
|
|
|
<li>Please, do not touch, leaf through, or write your
|
|
|
name on the midterm
|
|
|
<ul>
|
|
|
<li>Why? Because it is unfair to all other students who have
|
|
|
not yet received a midterm</li>
|
|
|
</ul>
|
|
|
</li>
|
|
|
<li>When all students have received a midterm, you will
|
|
|
be instructed to start the midterm</li>
|
|
|
</ul>
|
|
|
|
|
|
<h2 id="during-the-midterm">During the midterm</h2>
|
|
|
|
|
|
<p>If you have a question</p>
|
|
|
|
|
|
<ol>
|
|
|
<li>Have a look at the instructions on Page 1 for an
|
|
|
answer</li>
|
|
|
<li>If the answer to your question is not on Page 1,
|
|
|
raise your hand and the instructor will attend to
|
|
|
your question – the instructor is the only
|
|
|
person answering questions (TAs will not be
|
|
|
answering questions)</li>
|
|
|
</ol>
|
|
|
|
|
|
<h2 id="at-the-end-of-midterm">At the end of midterm</h2>
|
|
|
|
|
|
<ul>
|
|
|
<li>When you are told to Please, stop writing! please, do stop writing and hand in our midterm as instructed</li>
|
|
|
<li>Why? If you continue writing, it is unfair to all
|
|
|
other students who have stopped writing</li>
|
|
|
</ul>
|
|
|
|
|
|
<h2 id="questions">Questions?</h2>
|
|
|
|
|
|
<p>(Transcriber’s note: rest of slide is blank)</p>
|
|
|
|
|
|
<footer>
|
|
|
</footer>
|
|
|
</div>
|
|
|
</main>
|
|
|
</body>
|
|
|
</html>
|
