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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.java</a></div> |
| <h1 title="Interface JavaLocation" class="title">Interface JavaLocation</h1> |
| </div> |
| <section class="description"> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="../../j9ddr/vm29/view/dtfj/java/DTFJJavaStackFrame.html" title="class in com.ibm.j9ddr.vm29.view.dtfj.java">DTFJJavaStackFrame</a></code>, <code><a href="j9/JavaLocation.html" title="class in com.ibm.dtfj.java.j9">JavaLocation</a></code>, <code><a href="javacore/JCJavaLocation.html" title="class in com.ibm.dtfj.java.javacore">JCJavaLocation</a></code>, <code><a href="../phd/PHDCorruptJavaLocation.html" title="class in com.ibm.dtfj.phd">PHDCorruptJavaLocation</a></code>, <code><a href="../phd/PHDJavaLocation.html" title="class in com.ibm.dtfj.phd">PHDJavaLocation</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">JavaLocation</span></div> |
| <div class="block">Represents a point of execution within a Java method.</div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ========== 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-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract 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 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#equals(java.lang.Object)">equals</a></span>​(<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> obj)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Compares the argument to the receiver, and answers true |
| if they represent the <em>same</em> object using a class |
| specific comparison.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><a href="../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a></code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getAddress()">getAddress</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Fetches the absolute address of the code which this location represents.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getCompilationLevel()">getCompilationLevel</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Get the compilation level for this location.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><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 odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getFilename()">getFilename</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Get the source file name.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getLineNumber()">getLineNumber</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Get the line number.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><a href="JavaMethod.html" title="interface in com.ibm.dtfj.java">JavaMethod</a></code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getMethod()">getMethod</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Get the method which contains the point of execution.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#hashCode()">hashCode</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Answers an integer hash code for the receiver.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><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 odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#toString()">toString</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Answers a string containing a concise, human-readable |
| description of the receiver.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method.detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getAddress()"> |
| <h3>getAddress</h3> |
| <div class="member-signature"><span class="return-type"><a href="../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a></span> <span class="element-name">getAddress</span>() |
| throws <span class="exceptions"><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block">Fetches the absolute address of the code which this location represents. |
| This pointer will be contained within one of the segments returned by |
| getBytecodeSections() or getCompiledSections() of the method returned by |
| getMethod(). |
| <p> |
| null may be returned, particularly for methods with no bytecode or |
| compiled sections (e.g. some native methods) |
| <p> |
| Although an offset into the method may be calculated using this |
| pointer, caution should be exercised in attempting to map this offset to |
| an offset within the original class file. Various transformations may |
| have been applied to the bytecodes by the VM or other agents which may |
| make the offset difficult to interpret. |
| <p> |
| For native methods, the address may be meaningless.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the address in memory of the managed code</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLineNumber()"> |
| <h3>getLineNumber</h3> |
| <div class="member-signature"><span class="return-type">int</span> <span class="element-name">getLineNumber</span>() |
| throws <span class="exceptions"><a href="../image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a>, |
| <a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block">Get the line number.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the line number, if available, or throws DataUnavailable if it is not available |
| Line numbers are counted from 1</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code> - if the line number data is not available for this location</dd> |
| <dd><code><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getFilename()"> |
| <h3>getFilename</h3> |
| <div class="member-signature"><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> <span class="element-name">getFilename</span>() |
| throws <span class="exceptions"><a href="../image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a>, |
| <a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block">Get the source file name.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the name of the source file, if available, or throws DataUnavailable if it is |
| not available</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code> - if the source file name is unavailable in the core</dd> |
| <dd><code><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getCompilationLevel()"> |
| <h3>getCompilationLevel</h3> |
| <div class="member-signature"><span class="return-type">int</span> <span class="element-name">getCompilationLevel</span>() |
| throws <span class="exceptions"><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block">Get the compilation level for this location. This is an implementation |
| defined number indicating the level at which the current location was |
| compiled. 0 indicates interpreted. Any positive number indicates some |
| level of JIT compilation. Typically, higher numbers indicate more |
| aggressive compilation strategies |
| <p> |
| For native methods, a non-zero compilation level indicates that some |
| level of JIT compilation has been applied to the native call (e.g. a |
| custom native call stub). To determine if the method is native, use |
| getMethod().getModifiers().</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the compilation level</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMethod()"> |
| <h3>getMethod</h3> |
| <div class="member-signature"><span class="return-type"><a href="JavaMethod.html" title="interface in com.ibm.dtfj.java">JavaMethod</a></span> <span class="element-name">getMethod</span>() |
| throws <span class="exceptions"><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block">Get the method which contains the point of execution.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the method which contains the point of execution</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="toString()"> |
| <h3>toString</h3> |
| <div class="member-signature"><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> <span class="element-name">toString</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><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">java.lang.Object</a></code></span></div> |
| <div class="block">Answers a string containing a concise, human-readable |
| description of the receiver.</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><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></code> in class <code><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></code></dd> |
| <dt>Returns:</dt> |
| <dd>A string representing the location as it would be seen in a Java stack trace</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="equals(java.lang.Object)"> |
| <h3>equals</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name">equals</span>​<span class="parameters">(<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> obj)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><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">java.lang.Object</a></code></span></div> |
| <div class="block">Compares the argument to the receiver, and answers true |
| if they represent the <em>same</em> object using a class |
| specific comparison. The implementation in Object answers |
| true only if the argument is the exact same object as the |
| receiver (==).</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><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></code> in class <code><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></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>obj</code> - </dd> |
| <dt>Returns:</dt> |
| <dd>True if the given object refers to the same Java Location in the image</dd> |
| <dt>See Also:</dt> |
| <dd><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"><code>Object.hashCode()</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="hashCode()"> |
| <h3>hashCode</h3> |
| <div class="member-signature"><span class="return-type">int</span> <span class="element-name">hashCode</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><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">java.lang.Object</a></code></span></div> |
| <div class="block">Answers an integer hash code for the receiver. Any two |
| objects which answer <code>true</code> when passed to |
| <code>.equals</code> must answer the same value for this |
| method.</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><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></code> in class <code><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></code></dd> |
| <dt>Returns:</dt> |
| <dd>the receiver's hash.</dd> |
| <dt>See Also:</dt> |
| <dd><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"><code>Object.equals(java.lang.Object)</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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