api/jdk16/openj9.dtfj/com/ibm/j9ddr/corereaders/tdump/zebedee/le/DsaStackFrame.html - gerrit/www.eclipse.org/openj9/docs - Git at Google

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 <meta name="keywords" content="isDownStack()">
 <meta name="keywords" content="getAddressSpace()">
 <meta name="keywords" content="getDsaAddress()">
 <meta name="keywords" content="getRegisterSet()">
 <meta name="keywords" content="getEntryOffset()">
 <meta name="keywords" content="getEntryPoint()">
 <meta name="keywords" content="getEntryName()">
 <meta name="keywords" content="getParentFrame()">
 <meta name="keywords" content="getFunction()">
 <meta name="keywords" content="getEntryPointName()">
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 <div class="sub-title"><span class="module-label-in-type">Module</span>&nbsp;<a href="../../../../../../../module-summary.html">openj9.dtfj</a></div>
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">com.ibm.j9ddr.corereaders.tdump.zebedee.le</a></div>
 <h1 title="Class DsaStackFrame" class="title">Class DsaStackFrame</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a>
 <div class="inheritance">com.ibm.j9ddr.corereaders.tdump.zebedee.le.DsaStackFrame</div>
 </div>
 <section class="description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">DsaStackFrame</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></span></div>
 <div class="block">This class represents a single LE stack frame (aka DSA). Use <a href="#getParentFrame()"><code>getParentFrame()</code></a> to
  get the stack frame that called this one.
  XXX see ceekdmdr</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor.summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(long,boolean,com.ibm.j9ddr.corereaders.tdump.zebedee.mvs.RegisterSet,com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader.AddressSpace,com.ibm.j9ddr.corereaders.tdump.zebedee.le.Caa)">DsaStackFrame</a></span>&#8203;(long&nbsp;address,
  boolean&nbsp;isDownStack,
  <a href="../mvs/RegisterSet.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.mvs">RegisterSet</a>&nbsp;registers,
  <a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a>&nbsp;space,
  <a href="Caa.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">Caa</a>&nbsp;caa)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Create a new DsaStackFrame from the given dsa address and with the given stack direction.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method.summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a></code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getAddressSpace()">getAddressSpace</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the AddressSpace we belong to.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>long</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getDsaAddress()">getDsaAddress</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the address of the DSA for this stack frame.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getEntryName()">getEntryName</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the name of the function</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>long</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getEntryOffset()">getEntryOffset</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the offset from the function entry point.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>long</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getEntryPoint()">getEntryPoint</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the entry point address for the function belonging to this dsa.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getEntryPointName(com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader.AddressSpace,long)">getEntryPointName</a></span>&#8203;(<a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a>&nbsp;space,
  long&nbsp;ep)</code></div>
 <div class="col-last odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the function name for the given entry point address.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></code></div>
 <div class="col-second even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getEntryPointName(com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader.AddressSpace,long,boolean)">getEntryPointName</a></span>&#8203;(<a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a>&nbsp;space,
  long&nbsp;ep,
  boolean&nbsp;scan)</code></div>
 <div class="col-last even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the function name for the given entry point address.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="Function.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">Function</a></code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getFunction()">getFunction</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the function call that this stack frame represents.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="DsaStackFrame.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">DsaStackFrame</a></code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getParentFrame()">getParentFrame</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the caller of this stack frame.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../mvs/RegisterSet.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.mvs">RegisterSet</a></code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getRegisterSet()">getRegisterSet</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Returns the current register set (or null if there are no saved registers).</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#isDownStack()">isDownStack</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor.detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(long,boolean,com.ibm.j9ddr.corereaders.tdump.zebedee.mvs.RegisterSet,com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader.AddressSpace,com.ibm.j9ddr.corereaders.tdump.zebedee.le.Caa)">
 <h3>DsaStackFrame</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">DsaStackFrame</span>&#8203;<span class="parameters">(long&nbsp;address,
  boolean&nbsp;isDownStack,
  <a href="../mvs/RegisterSet.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.mvs">RegisterSet</a>&nbsp;registers,
  <a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a>&nbsp;space,
  <a href="Caa.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">Caa</a>&nbsp;caa)</span>
               throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Create a new DsaStackFrame from the given dsa address and with the given stack direction.</div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method.detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="isDownStack()">
 <h3>isDownStack</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isDownStack</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getAddressSpace()">
 <h3>getAddressSpace</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a></span>&nbsp;<span class="element-name">getAddressSpace</span>()</div>
 <div class="block">Returns the AddressSpace we belong to.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getDsaAddress()">
 <h3>getDsaAddress</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">getDsaAddress</span>()</div>
 <div class="block">Returns the address of the DSA for this stack frame.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getRegisterSet()">
 <h3>getRegisterSet</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../mvs/RegisterSet.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.mvs">RegisterSet</a></span>&nbsp;<span class="element-name">getRegisterSet</span>()</div>
 <div class="block">Returns the current register set (or null if there are no saved registers).</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getEntryOffset()">
 <h3>getEntryOffset</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">getEntryOffset</span>()</div>
 <div class="block">Returns the offset from the function entry point. This is the offset within the
  function's executable code where the call was made to the successor stack frame.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getEntryPoint()">
 <h3>getEntryPoint</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">getEntryPoint</span>()</div>
 <div class="block">Returns the entry point address for the function belonging to this dsa.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getEntryName()">
 <h3>getEntryName</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></span>&nbsp;<span class="element-name">getEntryName</span>()</div>
 <div class="block">Returns the name of the function</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getParentFrame()">
 <h3>getParentFrame</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="DsaStackFrame.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">DsaStackFrame</a></span>&nbsp;<span class="element-name">getParentFrame</span>()</div>
 <div class="block">Returns the caller of this stack frame.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>the stack frame for the function that called this one or null if we have
  reached the bottom of the stack or an error has occurred</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getFunction()">
 <h3>getFunction</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="Function.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">Function</a></span>&nbsp;<span class="element-name">getFunction</span>()</div>
 <div class="block">Returns the function call that this stack frame represents.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getEntryPointName(com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader.AddressSpace,long)">
 <h3>getEntryPointName</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></span>&nbsp;<span class="element-name">getEntryPointName</span>&#8203;<span class="parameters">(<a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a>&nbsp;space,
  long&nbsp;ep)</span>
                                 throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Returns the function name for the given entry point address.
  XXX This was borrowed from the old svcdump code. We really should reuse some of the
  code elsewhere in this class that obtains the name but it's currently horribly
  intertwined with other DSA logic. Might be possible to fake up a DSA?</div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getEntryPointName(com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader.AddressSpace,long,boolean)">
 <h3>getEntryPointName</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></span>&nbsp;<span class="element-name">getEntryPointName</span>&#8203;<span class="parameters">(<a href="../dumpreader/AddressSpace.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.dumpreader">AddressSpace</a>&nbsp;space,
  long&nbsp;ep,
  boolean&nbsp;scan)</span>
                                 throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Returns the function name for the given entry point address. If the scan arg is set true,
  keep searching backwards for a maximum of 0x1000 bytes for a valid entry point.</div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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