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| <li>Summary: </li> |
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| <div class="sub-title"><span class="module-label-in-type">Module</span> <a href="../../../../module-summary.html">openj9.dtfj</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">com.ibm.dtfj.addressspace</a></div> |
| <h1 title="Class LayeredAddressSpace" class="title">Class LayeredAddressSpace</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"><a href="CommonAddressSpace.html" title="class in com.ibm.dtfj.addressspace">com.ibm.dtfj.addressspace.CommonAddressSpace</a> |
| <div class="inheritance">com.ibm.dtfj.addressspace.LayeredAddressSpace</div> |
| </div> |
| </div> |
| <section class="description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="IAbstractAddressSpace.html" title="interface in com.ibm.dtfj.addressspace">IAbstractAddressSpace</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">LayeredAddressSpace</span> |
| <span class="extends-implements">extends <a href="CommonAddressSpace.html" title="class in com.ibm.dtfj.addressspace">CommonAddressSpace</a></span></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(com.ibm.dtfj.addressspace.IAbstractAddressSpace,boolean,boolean)">LayeredAddressSpace</a></span>​(<a href="IAbstractAddressSpace.html" title="interface in com.ibm.dtfj.addressspace">IAbstractAddressSpace</a> base, |
| boolean isLittleEndian, |
| boolean is64Bit)</code></div> |
| <div class="col-last even-row-color"> </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-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> |
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| <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>int</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="#getBytesAt(int,long,byte%5B%5D)">getBytesAt</a></span>​(int asid, |
| long address, |
| byte[] buffer)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>boolean</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="#isExecutable(int,long)">isExecutable</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </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="#isReadOnly(int,long)">isReadOnly</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>boolean</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="#isShared(int,long)">isShared</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</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="#mapRegion(long,com.ibm.dtfj.corereaders.ClosingFileReader,long,long)">mapRegion</a></span>​(long virtualAddress, |
| <a href="../corereaders/ClosingFileReader.html" title="class in com.ibm.dtfj.corereaders">ClosingFileReader</a> residentFile, |
| long fileOffset, |
| long size)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.com.ibm.dtfj.addressspace.CommonAddressSpace">Methods declared in class com.ibm.dtfj.addressspace.<a href="CommonAddressSpace.html" title="class in com.ibm.dtfj.addressspace">CommonAddressSpace</a></h3> |
| <code><a href="CommonAddressSpace.html#_residentRange(int,long)">_residentRange</a>, <a href="CommonAddressSpace.html#bytesPerPointer(int)">bytesPerPointer</a>, <a href="CommonAddressSpace.html#compareAddress(int,long,int,long)">compareAddress</a>, <a href="CommonAddressSpace.html#findPattern(byte%5B%5D,int,long)">findPattern</a>, <a href="CommonAddressSpace.html#findWhichMemoryRange(int,long,com.ibm.dtfj.corereaders.MemoryRange%5B%5D,java.lang.Integer,boolean)">findWhichMemoryRange</a>, <a href="CommonAddressSpace.html#getByteAt(int,long)">getByteAt</a>, <a href="CommonAddressSpace.html#getByteOrder()">getByteOrder</a>, <a href="CommonAddressSpace.html#getIntAt(int,long)">getIntAt</a>, <a href="CommonAddressSpace.html#getLongAt(int,long)">getLongAt</a>, <a href="CommonAddressSpace.html#getMemoryBytes(int,long,int)">getMemoryBytes</a>, <a href="CommonAddressSpace.html#getMemoryBytes(long,int)">getMemoryBytes</a>, <a href="CommonAddressSpace.html#getMemoryRanges()">getMemoryRanges</a>, <a href="CommonAddressSpace.html#getPointerAt(int,long)">getPointerAt</a>, <a href="CommonAddressSpace.html#getShortAt(int,long)">getShortAt</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class 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="<init>(com.ibm.dtfj.addressspace.IAbstractAddressSpace,boolean,boolean)"> |
| <h3>LayeredAddressSpace</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">LayeredAddressSpace</span>​<span class="parameters">(<a href="IAbstractAddressSpace.html" title="interface in com.ibm.dtfj.addressspace">IAbstractAddressSpace</a> base, |
| boolean isLittleEndian, |
| boolean is64Bit)</span></div> |
| </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="isExecutable(int,long)"> |
| <h3>isExecutable</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isExecutable</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>true if this memory address is within an executable page</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isReadOnly(int,long)"> |
| <h3>isReadOnly</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isReadOnly</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>true if write access to this memory address was disabled in the image</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isShared(int,long)"> |
| <h3>isShared</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isShared</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>true if this memory address is shared between processes</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getBytesAt(int,long,byte[])"> |
| <h3>getBytesAt</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getBytesAt</span>​<span class="parameters">(int asid, |
| long address, |
| byte[] buffer)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dd><code>buffer</code> - a byte array to receive the bytes</dd> |
| <dt>Returns:</dt> |
| <dd>the number of bytes read into buffer</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="mapRegion(long,com.ibm.dtfj.corereaders.ClosingFileReader,long,long)"> |
| <h3>mapRegion</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">mapRegion</span>​<span class="parameters">(long virtualAddress, |
| <a href="../corereaders/ClosingFileReader.html" title="class in com.ibm.dtfj.corereaders">ClosingFileReader</a> residentFile, |
| long fileOffset, |
| long size)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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