| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>GCHeapRegionManager (OpenJ9 JDK 17)</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <meta name="description" content="declaration: module: openj9.dtfj, package: com.ibm.j9ddr.vm29.j9.gc, class: GCHeapRegionManager"> |
| <meta name="generator" content="javadoc/ClassWriterImpl"> |
| <meta name="keywords" content="com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionManager class"> |
| <meta name="keywords" content="singleton"> |
| <meta name="keywords" content="_heapRegionManager"> |
| <meta name="keywords" content="_auxRegionCount"> |
| <meta name="keywords" content="_regionSize"> |
| <meta name="keywords" content="_regionShift"> |
| <meta name="keywords" content="_regionTable"> |
| <meta name="keywords" content="_tableRegionCount"> |
| <meta name="keywords" content="_lowTableEdge"> |
| <meta name="keywords" content="_highTableEdge"> |
| <meta name="keywords" content="_tableDescriptorSize"> |
| <meta name="keywords" content="_totalHeapSize"> |
| <meta name="keywords" content="fromHeapRegionManager()"> |
| <meta name="keywords" content="initializeAuxRegionDescriptors()"> |
| <meta name="keywords" content="initializeTableRegionDescriptors()"> |
| <meta name="keywords" content="getTotalHeapSize()"> |
| <meta name="keywords" content="getRegionSize()"> |
| <meta name="keywords" content="getTableRegionCount()"> |
| <meta name="keywords" content="getHeapSize()"> |
| <meta name="keywords" content="getAuxiliaryRegions()"> |
| <meta name="keywords" content="getTableRegions()"> |
| <meta name="keywords" content="regionDescriptorForAddress()"> |
| <meta name="keywords" content="auxiliaryDescriptorForAddress()"> |
| <meta name="keywords" content="tableDescriptorForIndex()"> |
| <meta name="keywords" content="physicalTableDescriptorForIndex()"> |
| <meta name="keywords" content="physicalTableDescriptorIndexForAddress()"> |
| <meta name="keywords" content="tableDescriptorForAddress()"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../../script-dir/jquery-ui.min.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../../jquery-ui.overrides.css" title="Style"> |
| <script type="text/javascript" src="../../../../../../../script.js"></script> |
| <script type="text/javascript" src="../../../../../../../script-dir/jquery-3.6.0.min.js"></script> |
| <script type="text/javascript" src="../../../../../../../script-dir/jquery-ui.min.js"></script> |
| </head> |
| <body class="class-declaration-page"> |
| <script type="text/javascript">var evenRowColor = "even-row-color"; |
| var oddRowColor = "odd-row-color"; |
| var tableTab = "table-tab"; |
| var activeTableTab = "active-table-tab"; |
| var pathtoroot = "../../../../../../../"; |
| loadScripts(document, 'script');</script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <div class="flex-box"> |
| <header role="banner" class="flex-header"> |
| <nav role="navigation"> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="top-nav" id="navbar-top"> |
| <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div> |
| <div class="about-language"><div style="margin-top: 9px;"><strong>OpenJ9 JDK 17</strong></div></div> |
| <ul id="navbar-top-firstrow" class="nav-list" title="Navigation"> |
| <li><a href="../../../../../../../index.html">Overview</a></li> |
| <li><a href="../../../../../../module-summary.html">Module</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="nav-bar-cell1-rev">Class</li> |
| <li><a href="class-use/GCHeapRegionManager.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../../../index-files/index-1.html">Index</a></li> |
| <li><a href="../../../../../../../help-doc.html#class">Help</a></li> |
| </ul> |
| </div> |
| <div class="sub-nav"> |
| <div> |
| <ul class="sub-nav-list"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li><a href="#field-summary">Field</a> | </li> |
| <li><a href="#constructor-summary">Constr</a> | </li> |
| <li><a href="#method-summary">Method</a></li> |
| </ul> |
| <ul class="sub-nav-list"> |
| <li>Detail: </li> |
| <li><a href="#field-detail">Field</a> | </li> |
| <li><a href="#constructor-detail">Constr</a> | </li> |
| <li><a href="#method-detail">Method</a></li> |
| </ul> |
| </div> |
| <div class="nav-list-search"><label for="search-input">SEARCH:</label> |
| <input type="text" id="search-input" value="search" disabled="disabled"> |
| <input type="reset" id="reset-button" value="reset" disabled="disabled"> |
| </div> |
| </div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <span class="skip-nav" id="skip-navbar-top"></span></nav> |
| </header> |
| <div class="flex-content"> |
| <main role="main"> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <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.j9ddr.vm29.j9.gc</a></div> |
| <h1 title="Class GCHeapRegionManager" class="title">Class GCHeapRegionManager</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/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.vm29.j9.gc.GCHeapRegionManager</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">GCHeapRegionManager</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></span></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>protected int</code></div> |
| <div class="col-second even-row-color"><code><a href="#_auxRegionCount" class="member-name-link">_auxRegionCount</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">< address ordered doubly linked list for auxiliary heap regions</div> |
| </div> |
| <div class="col-first odd-row-color"><code>protected com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer</code></div> |
| <div class="col-second odd-row-color"><code><a href="#_heapRegionManager" class="member-name-link">_heapRegionManager</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>protected <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#_highTableEdge" class="member-name-link">_highTableEdge</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">< the first (lowest address) byte of heap which is addressable by the table</div> |
| </div> |
| <div class="col-first odd-row-color"><code>protected <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#_lowTableEdge" class="member-name-link">_lowTableEdge</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">< number of heap regions on the fixed-sized table (_regionTable)</div> |
| </div> |
| <div class="col-first even-row-color"><code>protected <a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#_regionShift" class="member-name-link">_regionShift</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">< the size, in bytes, of a region in the _regionTable</div> |
| </div> |
| <div class="col-first odd-row-color"><code>protected <a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#_regionSize" class="member-name-link">_regionSize</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">< number of heap regions on the auxiliary list</div> |
| </div> |
| <div class="col-first even-row-color"><code>protected <a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a>[]</code></div> |
| <div class="col-second even-row-color"><code><a href="#_regionTable" class="member-name-link">_regionTable</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">< the shift value to use against pointers to determine the corresponding region index</div> |
| </div> |
| <div class="col-first odd-row-color"><code>protected <a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#_tableDescriptorSize" class="member-name-link">_tableDescriptorSize</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">< the first byte AFTER the heap range which is addressable by the table</div> |
| </div> |
| <div class="col-first even-row-color"><code>protected int</code></div> |
| <div class="col-second even-row-color"><code><a href="#_tableRegionCount" class="member-name-link">_tableRegionCount</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">< the raw array of fixed-sized regions for representing a flat heap</div> |
| </div> |
| <div class="col-first odd-row-color"><code>protected <a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#_totalHeapSize" class="member-name-link">_totalHeapSize</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">< The size, in bytes, of the HeapRegionDescriptor subclass used by this manager</div> |
| </div> |
| <div class="col-first even-row-color"><code>protected static <a href="GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#singleton" class="member-name-link">singleton</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== 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 three-column-summary"> |
| <div class="table-header col-first">Modifier</div> |
| <div class="table-header col-second">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>protected </code></div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer)" class="member-name-link">GCHeapRegionManager</a><wbr>(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer hrm)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">< The size, in bytes, of all currently active regions on the heap (that is, both table descriptors attached to subspaces and aux descriptors in the list)</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 method-summary-table-tab2 method-summary-table-tab4"><code><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#auxiliaryDescriptorForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)" class="member-name-link">auxiliaryDescriptorForAddress</a><wbr>(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#fromHeapRegionManager(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer)" class="member-name-link">fromHeapRegionManager</a><wbr>(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer hrm)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a><<a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getAuxiliaryRegions()" class="member-name-link">getAuxiliaryRegions</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getHeapSize()" class="member-name-link">getHeapSize</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRegionSize()" class="member-name-link">getRegionSize</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTableRegionCount()" class="member-name-link">getTableRegionCount</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a><<a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTableRegions()" class="member-name-link">getTableRegions</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTotalHeapSize()" class="member-name-link">getTotalHeapSize</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#initializeAuxRegionDescriptors()" class="member-name-link">initializeAuxRegionDescriptors</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#initializeTableRegionDescriptors()" class="member-name-link">initializeTableRegionDescriptors</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#physicalTableDescriptorForIndex(int)" class="member-name-link">physicalTableDescriptorForIndex</a><wbr>(int regionIndex)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#physicalTableDescriptorIndexForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)" class="member-name-link">physicalTableDescriptorIndexForAddress</a><wbr>(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#regionDescriptorForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)" class="member-name-link">regionDescriptorForAddress</a><wbr>(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#tableDescriptorForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)" class="member-name-link">tableDescriptorForAddress</a><wbr>(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#tableDescriptorForIndex(int)" class="member-name-link">tableDescriptorForIndex</a><wbr>(int regionIndex)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </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/17/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/17/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/17/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/17/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/17/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/17/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/17/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/17/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/17/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/17/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/17/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/17/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"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="singleton"> |
| <h3>singleton</h3> |
| <div class="member-signature"><span class="modifiers">protected static</span> <span class="return-type"><a href="GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a></span> <span class="element-name">singleton</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_heapRegionManager"> |
| <h3>_heapRegionManager</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer</span> <span class="element-name">_heapRegionManager</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_auxRegionCount"> |
| <h3>_auxRegionCount</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">int</span> <span class="element-name">_auxRegionCount</span></div> |
| <div class="block">< address ordered doubly linked list for auxiliary heap regions</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_regionSize"> |
| <h3>_regionSize</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></span> <span class="element-name">_regionSize</span></div> |
| <div class="block">< number of heap regions on the auxiliary list</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_regionShift"> |
| <h3>_regionShift</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></span> <span class="element-name">_regionShift</span></div> |
| <div class="block">< the size, in bytes, of a region in the _regionTable</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_regionTable"> |
| <h3>_regionTable</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a>[]</span> <span class="element-name">_regionTable</span></div> |
| <div class="block">< the shift value to use against pointers to determine the corresponding region index</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_tableRegionCount"> |
| <h3>_tableRegionCount</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">int</span> <span class="element-name">_tableRegionCount</span></div> |
| <div class="block">< the raw array of fixed-sized regions for representing a flat heap</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_lowTableEdge"> |
| <h3>_lowTableEdge</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a></span> <span class="element-name">_lowTableEdge</span></div> |
| <div class="block">< number of heap regions on the fixed-sized table (_regionTable)</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_highTableEdge"> |
| <h3>_highTableEdge</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a></span> <span class="element-name">_highTableEdge</span></div> |
| <div class="block">< the first (lowest address) byte of heap which is addressable by the table</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_tableDescriptorSize"> |
| <h3>_tableDescriptorSize</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></span> <span class="element-name">_tableDescriptorSize</span></div> |
| <div class="block">< the first byte AFTER the heap range which is addressable by the table</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_totalHeapSize"> |
| <h3>_totalHeapSize</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></span> <span class="element-name">_totalHeapSize</span></div> |
| <div class="block">< The size, in bytes, of the HeapRegionDescriptor subclass used by this manager</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= 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.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer)"> |
| <h3>GCHeapRegionManager</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="element-name">GCHeapRegionManager</span><wbr><span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer hrm)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">< The size, in bytes, of all currently active regions on the heap (that is, both table descriptors attached to subspaces and aux descriptors in the list)</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</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="fromHeapRegionManager(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer)"> |
| <h3>fromHeapRegionManager</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a></span> <span class="element-name">fromHeapRegionManager</span><wbr><span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionManagerPointer hrm)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="initializeAuxRegionDescriptors()"> |
| <h3>initializeAuxRegionDescriptors</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name">initializeAuxRegionDescriptors</span>() |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="initializeTableRegionDescriptors()"> |
| <h3>initializeTableRegionDescriptors</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name">initializeTableRegionDescriptors</span>() |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTotalHeapSize()"> |
| <h3>getTotalHeapSize</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></span> <span class="element-name">getTotalHeapSize</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getRegionSize()"> |
| <h3>getRegionSize</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></span> <span class="element-name">getRegionSize</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTableRegionCount()"> |
| <h3>getTableRegionCount</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getTableRegionCount</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getHeapSize()"> |
| <h3>getHeapSize</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></span> <span class="element-name">getHeapSize</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getAuxiliaryRegions()"> |
| <h3>getAuxiliaryRegions</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a><<a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a>></span> <span class="element-name">getAuxiliaryRegions</span>() |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTableRegions()"> |
| <h3>getTableRegions</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a><<a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a>></span> <span class="element-name">getTableRegions</span>() |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="regionDescriptorForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)"> |
| <h3>regionDescriptorForAddress</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></span> <span class="element-name">regionDescriptorForAddress</span><wbr><span class="parameters">(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="auxiliaryDescriptorForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)"> |
| <h3>auxiliaryDescriptorForAddress</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></span> <span class="element-name">auxiliaryDescriptorForAddress</span><wbr><span class="parameters">(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="tableDescriptorForIndex(int)"> |
| <h3>tableDescriptorForIndex</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></span> <span class="element-name">tableDescriptorForIndex</span><wbr><span class="parameters">(int regionIndex)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="physicalTableDescriptorForIndex(int)"> |
| <h3>physicalTableDescriptorForIndex</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></span> <span class="element-name">physicalTableDescriptorForIndex</span><wbr><span class="parameters">(int regionIndex)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="physicalTableDescriptorIndexForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)"> |
| <h3>physicalTableDescriptorIndexForAddress</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">int</span> <span class="element-name">physicalTableDescriptorIndexForAddress</span><wbr><span class="parameters">(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="tableDescriptorForAddress(com.ibm.j9ddr.vm29.pointer.AbstractPointer)"> |
| <h3>tableDescriptorForAddress</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></span> <span class="element-name">tableDescriptorForAddress</span><wbr><span class="parameters">(<a href="../../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> heapAddress)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= END OF CLASS DATA ========= --> |
| </main> |
| <footer role="contentinfo"> |
| <hr> |
| <p class="legal-copy"><small><a href="https://www.eclipse.org/openj9/" target="_blank">Eclipse OpenJ9 website.</a><br> To raise a bug report or suggest an improvement create an <a href="https://github.com/eclipse-openj9/openj9/issues" target="_blank">Eclipse Openj9 issue.</a><br> Copyright © 1998, 2022 IBM Corp. and others.</small></p> |
| </footer> |
| </div> |
| </div> |
| </body> |
| </html> |