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| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.ibm.j9ddr.vm29.j9</a></div> |
| <h2 title="Class ObjectModel" class="title">Class ObjectModel</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">java.lang.Object</a></li> |
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| <li>com.ibm.j9ddr.vm29.j9.ObjectModel</li> |
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| <pre>public final class <span class="typeNameLabel">ObjectModel</span> |
| extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></pre> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static <a href="gc/GCObjectModel.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCObjectModel</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#gcObjectModel">gcObjectModel</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#adjustSizeInBytes(com.ibm.j9ddr.vm29.types.UDATA)">adjustSizeInBytes</a></span>​(<a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> sizeInBytes)</code></th> |
| <td class="colLast"> |
| <div class="block">Object size should be at least minimumConsumedSize |
| and 8 byte aligned.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#findRegionForPointer(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionManager,com.ibm.j9ddr.vm29.pointer.AbstractPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionDescriptor)">findRegionForPointer</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer javaVM, |
| <a href="gc/GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a> hrm, |
| <a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer, |
| <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a> region)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the heap region of a pointer.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../types/U32.html" title="class in com.ibm.j9ddr.vm29.types">U32</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAge(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getAge</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the age of an object.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getClassShape(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer)">getClassShape</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the shape of an object.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getClassShape(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getClassShape</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the shape of an object.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConsumedSizeInBytesWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getConsumedSizeInBytesWithHeader</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Same as getSizeInBytesWithHeader, |
| except it takes into account |
| object alignment and minimum object size</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConsumedSizeInSlotsWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getConsumedSizeInSlotsWithHeader</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Same as getSizeInSlotsWithHeader, |
| except it takes into account |
| object alignment and minimum object size</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDataSizeInBytes(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer)">getDataSizeInBytes</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer array)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size of data in an indexable object, in bytes, including leaves, excluding the header.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getElementAddress(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer,int,int)">getElementAddress</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer indexableObjectPointer, |
| int elementIndex, |
| int elementSize)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the address of an element.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHashcodeOffset(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getHashcodeOffset</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHeaderSize(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getHeaderSize</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size of an object header, in bytes.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getObjectAlignmentInBytes()">getObjectAlignmentInBytes</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Object size should be at least minimumConsumedSize |
| and 8 byte aligned.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="../types/I32.html" title="class in com.ibm.j9ddr.vm29.types">I32</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getObjectHashCode(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getObjectHashCode</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Determine the basic hash code for the specified object.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRememberedBits(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getRememberedBits</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the collector bits from object's header.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getScanType(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getScanType</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeInBytesHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getSizeInBytesHoleObject</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size in bytes of a hole object.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeInBytesMultiSlotHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getSizeInBytesMultiSlotHoleObject</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size, in bytes, of a multi-slot hole object.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeInBytesSingleSlotHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getSizeInBytesSingleSlotHoleObject</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size, in bytes, of a single slot hole object.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeInBytesWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getSizeInBytesWithHeader</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size of an object, in bytes, including the header.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeInElements(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getSizeInElements</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size of an indexable object in elements.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code><a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSizeInSlotsWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getSizeInSlotsWithHeader</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the size of an object, in slots, including the header.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTotalFootprintInBytesWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getTotalFootprintInBytesWithHeader</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Get the total footprint of an object, in bytes, including the object header and all data.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasBeenHashed(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">hasBeenHashed</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object has been hashed, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasBeenMoved(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">hasBeenMoved</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object has been moved after being hashed, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDarkMatterObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">isDarkMatterObject</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object is dark matter, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">isHoleObject</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object is a hole, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isIndexable(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer)">isIndexable</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an class is indexable, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isIndexable(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">isIndexable</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object is indexable, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isInlineContiguousArraylet(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer)">isInlineContiguousArraylet</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer arrayPtr)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isOld(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">isOld</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object is old, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isPointerInHeap(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer,com.ibm.j9ddr.vm29.pointer.AbstractPointer)">isPointerInHeap</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer javaVM, |
| <a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns true if a pointer is in stored in heap.</div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isPointerInRegion(com.ibm.j9ddr.vm29.pointer.AbstractPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionDescriptor)">isPointerInRegion</a></span>​(<a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer, |
| <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a> region)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns true if a pointer is in stored in specified region.</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isRemembered(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">isRemembered</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object is remembered, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isSingleSlotHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">isSingleSlotHoleObject</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns TRUE if an object is a single slot hole object, FALSE otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>static <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#regionForAddress(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionManager,com.ibm.j9ddr.vm29.pointer.AbstractPointer)">regionForAddress</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer javaVM, |
| <a href="gc/GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a> hrm, |
| <a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the heap region for address of a pointer.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods declared in class java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a id="gcObjectModel"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>gcObjectModel</h4> |
| <pre>protected static final <a href="gc/GCObjectModel.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCObjectModel</a> gcObjectModel</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="adjustSizeInBytes(com.ibm.j9ddr.vm29.types.UDATA)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>adjustSizeInBytes</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> adjustSizeInBytes​(<a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> sizeInBytes)</pre> |
| <div class="block">Object size should be at least minimumConsumedSize |
| and 8 byte aligned.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sizeInBytes</code> - Real size of an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Adjusted size</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getObjectAlignmentInBytes()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getObjectAlignmentInBytes</h4> |
| <pre class="methodSignature">public static long getObjectAlignmentInBytes()</pre> |
| <div class="block">Object size should be at least minimumConsumedSize |
| and 8 byte aligned.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sizeInBytes</code> - Real size of an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Adjusted size</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getClassShape(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getClassShape</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getClassShape​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the shape of an object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to object whose shape is required.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The shape of the object</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getClassShape(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getClassShape</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getClassShape​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the shape of an object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - Pointer to J9Class whose shape is required.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The shape of the object</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isIndexable(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isIndexable</h4> |
| <pre class="methodSignature">public static boolean isIndexable​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object is indexable, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object is indexable, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isIndexable(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isIndexable</h4> |
| <pre class="methodSignature">public static boolean isIndexable​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an class is indexable, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - Pointer to an J9Class</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an class is indexable, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isHoleObject</h4> |
| <pre class="methodSignature">public static boolean isHoleObject​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object is a hole, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object is a hole, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isSingleSlotHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isSingleSlotHoleObject</h4> |
| <pre class="methodSignature">public static boolean isSingleSlotHoleObject​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object is a single slot hole object, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object is a single slot hole object, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getSizeInBytesMultiSlotHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSizeInBytesMultiSlotHoleObject</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getSizeInBytesMultiSlotHoleObject​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the size, in bytes, of a multi-slot hole object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size, in bytes, of a multi-slot hole object</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getSizeInBytesSingleSlotHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSizeInBytesSingleSlotHoleObject</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getSizeInBytesSingleSlotHoleObject​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</pre> |
| <div class="block">Returns the size, in bytes, of a single slot hole object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size, in bytes, of a single slot hole object</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getSizeInBytesHoleObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSizeInBytesHoleObject</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getSizeInBytesHoleObject​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the size in bytes of a hole object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size in bytes of a hole object</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isDarkMatterObject(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isDarkMatterObject</h4> |
| <pre class="methodSignature">public static boolean isDarkMatterObject​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object is dark matter, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object is dark matter, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getSizeInBytesWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSizeInBytesWithHeader</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getSizeInBytesWithHeader​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the size of an object, in bytes, including the header.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size of an object, in bytes, including the header</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getTotalFootprintInBytesWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTotalFootprintInBytesWithHeader</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getTotalFootprintInBytesWithHeader​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Get the total footprint of an object, in bytes, including the object header and all data. |
| If the object has a discontiguous representation, this method should return the size of |
| the root object plus the total of all the discontiguous parts of the object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the total size of an object, in bytes, including discontiguous parts</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getConsumedSizeInBytesWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getConsumedSizeInBytesWithHeader</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getConsumedSizeInBytesWithHeader​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Same as getSizeInBytesWithHeader, |
| except it takes into account |
| object alignment and minimum object size</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The consumed heap size of an object, in bytes, including the header</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getSizeInSlotsWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSizeInSlotsWithHeader</h4> |
| <pre class="methodSignature">public <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getSizeInSlotsWithHeader​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the size of an object, in slots, including the header.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size of an object, in slots, including the header</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getConsumedSizeInSlotsWithHeader(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getConsumedSizeInSlotsWithHeader</h4> |
| <pre class="methodSignature">public <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getConsumedSizeInSlotsWithHeader​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Same as getSizeInSlotsWithHeader, |
| except it takes into account |
| object alignment and minimum object size</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The consumed heap size of an object, in slots, including the header</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getAge(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getAge</h4> |
| <pre class="methodSignature">public static <a href="../types/U32.html" title="class in com.ibm.j9ddr.vm29.types">U32</a> getAge​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the age of an object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The age of the object</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isRemembered(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isRemembered</h4> |
| <pre class="methodSignature">public static boolean isRemembered​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object is remembered, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object is remembered, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getRememberedBits(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRememberedBits</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getRememberedBits​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the collector bits from object's header.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>collector bits</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isOld(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isOld</h4> |
| <pre class="methodSignature">public static boolean isOld​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object is old, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object is in the old area, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getSizeInElements(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSizeInElements</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getSizeInElements​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">IllegalArgumentException</a>, |
| <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the size of an indexable object in elements.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>array</code> - Pointer to the indexable object whose size is required</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Size of object in elements</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">IllegalArgumentException</a></code> - if the object is not an array</dd> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getScanType(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getScanType</h4> |
| <pre class="methodSignature">public static long getScanType​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="hasBeenHashed(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>hasBeenHashed</h4> |
| <pre class="methodSignature">public static boolean hasBeenHashed​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object has been hashed, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object has been hashed, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="hasBeenMoved(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>hasBeenMoved</h4> |
| <pre class="methodSignature">public static boolean hasBeenMoved​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns TRUE if an object has been moved after being hashed, FALSE otherwise.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TRUE if an object has been moved after being hashed, FALSE otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getObjectHashCode(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getObjectHashCode</h4> |
| <pre class="methodSignature">public static <a href="../types/I32.html" title="class in com.ibm.j9ddr.vm29.types">I32</a> getObjectHashCode​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Determine the basic hash code for the specified object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - [in] the object to be hashed</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the persistent, basic hash code for the object</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getHashcodeOffset(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getHashcodeOffset</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getHashcodeOffset​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getDataSizeInBytes(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDataSizeInBytes</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getDataSizeInBytes​(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer array) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the size of data in an indexable object, in bytes, including leaves, excluding the header.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>array</code> - pointer to the indexable object whose size is required</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the size of an object in bytes excluding the header</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getHeaderSize(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getHeaderSize</h4> |
| <pre class="methodSignature">public static <a href="../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> getHeaderSize​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the size of an object header, in bytes. |
| <p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - Pointer to an object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size of an object header, in bytes.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getElementAddress(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer,int,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getElementAddress</h4> |
| <pre class="methodSignature">public static <a href="../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> getElementAddress​(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer indexableObjectPointer, |
| int elementIndex, |
| int elementSize) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <div class="block">Returns the address of an element.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>indexableObjectPointer</code> - Pointer to a J9 indexable object</dd> |
| <dd><code>elementIndex</code> - Index of the element</dd> |
| <dd><code>elementSize</code> - Size of the element</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The address of an element.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="findRegionForPointer(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionManager,com.ibm.j9ddr.vm29.pointer.AbstractPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionDescriptor)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>findRegionForPointer</h4> |
| <pre class="methodSignature">public static <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a> findRegionForPointer​(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer javaVM, |
| <a href="gc/GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a> hrm, |
| <a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer, |
| <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a> region)</pre> |
| <div class="block">Returns the heap region of a pointer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>javaVM</code> - J9JavaVMPointer</dd> |
| <dd><code>hrm</code> - The gc heap region manager</dd> |
| <dd><code>pointer</code> - Any abstract pointer</dd> |
| <dd><code>region</code> - A gc heap region descriptor</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The heap region descriptor of the given pointer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="regionForAddress(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionManager,com.ibm.j9ddr.vm29.pointer.AbstractPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>regionForAddress</h4> |
| <pre class="methodSignature">public static <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a> regionForAddress​(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer javaVM, |
| <a href="gc/GCHeapRegionManager.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionManager</a> hrm, |
| <a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer)</pre> |
| <div class="block">Returns the heap region for address of a pointer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>javaVM</code> - J9JavaVMPointer</dd> |
| <dd><code>hrm</code> - The gc heap region manager</dd> |
| <dd><code>pointer</code> - Any abstract pointer</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The heap region descriptor for address of a pointer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isPointerInRegion(com.ibm.j9ddr.vm29.pointer.AbstractPointer,com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionDescriptor)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isPointerInRegion</h4> |
| <pre class="methodSignature">public static boolean isPointerInRegion​(<a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer, |
| <a href="gc/GCHeapRegionDescriptor.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCHeapRegionDescriptor</a> region)</pre> |
| <div class="block">Returns true if a pointer is in stored in specified region.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pointer</code> - Any abstract pointer</dd> |
| <dd><code>region</code> - Descriptor for a region in heap</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>If the AbstractPointer pointer is in stored in the given region in heap.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isPointerInHeap(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer,com.ibm.j9ddr.vm29.pointer.AbstractPointer)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isPointerInHeap</h4> |
| <pre class="methodSignature">public static boolean isPointerInHeap​(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer javaVM, |
| <a href="../pointer/AbstractPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">AbstractPointer</a> pointer)</pre> |
| <div class="block">Returns true if a pointer is in stored in heap.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>javaVM</code> - J9JavaVMPointer</dd> |
| <dd><code>pointer</code> - Any abstract pointer</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>If the AbstractPointer pointer is in stored in heap.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isInlineContiguousArraylet(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>isInlineContiguousArraylet</h4> |
| <pre class="methodSignature">public static boolean isInlineContiguousArraylet​(com.ibm.j9ddr.vm29.pointer.generated.J9IndexableObjectPointer arrayPtr) |
| throws <a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>arrayPtr</code> - array object we are checking for isInlineContiguousArraylet</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code> - If there's a problem accessing the layout of the indexable object</dd> |
| </dl> |
| </li> |
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