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| <h2 title="Class StackWalkerUtils" class="title">Class StackWalkerUtils</h2> |
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| <pre>public class <span class="typeNameLabel">StackWalkerUtils</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> |
| <div class="block">Utility methods shared between stack walkers.</div> |
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| <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>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEBUG_LOCALMAP">DEBUG_LOCALMAP</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEBUG_STACKMAP">DEBUG_STACKMAP</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#INITIAL_O_SLOTS_CORRUPTION_THRESHOLD">INITIAL_O_SLOTS_CORRUPTION_THRESHOLD</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Number of CorruptDataExceptions from iterate-o-slots logic that we report before disabling |
| the o-slots walk</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.logging/java/util/logging/Logger.html?is-external=true" title="class or interface in java.util.logging" class="externalLink" target="_blank">Logger</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#logger">logger</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Stack walker logger, can be enabled for debugging stack walker issues when |
| running inside other tools, for example Memory Analyzer.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
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| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">StackWalkerUtils</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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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="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> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#disableVerboseLogging()">disableVerboseLogging</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#enableVerboseLogging(int)">enableVerboseLogging</a></span>​(int level)</code></th> |
| <td class="colLast"> |
| <div class="block">Enables stackwalk verbose logging through j.u.logging - similar in appearance to -verbose:stackwalk output from native.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#enableVerboseLogging(int,java.io.PrintStream)">enableVerboseLogging</a></span>​(int level, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/PrintStream.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">PrintStream</a> os)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#handleOSlotsCorruption(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,java.lang.String,java.lang.String,com.ibm.j9ddr.CorruptDataException)">handleOSlotsCorruption</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> className, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> methodName, |
| <a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a> ex)</code></th> |
| <td class="colLast"> |
| <div class="block">Since walking OSlots touches a lot more code than just doing a frame walk, we have a layer of corruption handling |
| just above the o-slots logic.</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="#JIT_RESOLVE_PARM(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,int)">JIT_RESOLVE_PARM</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| int parmNumber)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#oSlotsCorruptionThresholdReached()">oSlotsCorruptionThresholdReached</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resetOSlotsCorruptionThreshold()">resetOSlotsCorruptionThreshold</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swPrintf(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,int,java.lang.String,java.lang.Object...)">swPrintf</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| int level, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> message, |
| <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>... args)</code></th> |
| <td class="colLast"> |
| <div class="block">This function is a little overloaded.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swPrintMethod(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState)">swPrintMethod</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swPrintMethod(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer)">swPrintMethod</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer method)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer)">WALK_I_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_INDIRECT_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer)">WALK_INDIRECT_I_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> ind)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_INDIRECT_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer)">WALK_INDIRECT_O_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> ind)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_METHOD_CLASS(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState)">WALK_METHOD_CLASS</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_NAMED_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,java.lang.String)">WALK_NAMED_I_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_NAMED_INDIRECT_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer,java.lang.String)">WALK_NAMED_INDIRECT_I_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> intSlot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> indirectSlot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_NAMED_INDIRECT_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer,java.lang.String)">WALK_NAMED_INDIRECT_O_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> objectSlot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> indirectSlot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_NAMED_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,java.lang.String)">WALK_NAMED_O_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#WALK_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer)">WALK_O_SLOT</a></span>​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
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| </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"> |
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| <h3>Field Detail</h3> |
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| </a> |
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| <li class="blockList"> |
| <h4>logger</h4> |
| <pre>public static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.logging/java/util/logging/Logger.html?is-external=true" title="class or interface in java.util.logging" class="externalLink" target="_blank">Logger</a> logger</pre> |
| <div class="block">Stack walker logger, can be enabled for debugging stack walker issues when |
| running inside other tools, for example Memory Analyzer.</div> |
| </li> |
| </ul> |
| <a id="INITIAL_O_SLOTS_CORRUPTION_THRESHOLD"> |
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| </a> |
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| <h4>INITIAL_O_SLOTS_CORRUPTION_THRESHOLD</h4> |
| <pre>public static final int INITIAL_O_SLOTS_CORRUPTION_THRESHOLD</pre> |
| <div class="block">Number of CorruptDataExceptions from iterate-o-slots logic that we report before disabling |
| the o-slots walk</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../constant-values.html#com.ibm.j9ddr.vm29.j9.stackwalker.StackWalkerUtils.INITIAL_O_SLOTS_CORRUPTION_THRESHOLD">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
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| <h4>DEBUG_STACKMAP</h4> |
| <pre>public static final boolean DEBUG_STACKMAP</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../constant-values.html#com.ibm.j9ddr.vm29.j9.stackwalker.StackWalkerUtils.DEBUG_STACKMAP">Constant Field Values</a></dd> |
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| </a> |
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| <h4>DEBUG_LOCALMAP</h4> |
| <pre>public static final boolean DEBUG_LOCALMAP</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../constant-values.html#com.ibm.j9ddr.vm29.j9.stackwalker.StackWalkerUtils.DEBUG_LOCALMAP">Constant Field Values</a></dd> |
| </dl> |
| </li> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <h4>StackWalkerUtils</h4> |
| <pre>public StackWalkerUtils()</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a id="swPrintf(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,int,java.lang.String,java.lang.Object...)"> |
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| </a> |
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| <li class="blockList"> |
| <h4>swPrintf</h4> |
| <pre class="methodSignature">public static void swPrintf​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| int level, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> message, |
| <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>... args)</pre> |
| <div class="block">This function is a little overloaded. As well as determining if a message should |
| be printed out for the message level chosen by the tool running the stack walker |
| we also allow for someone turning on logging for debug to get details about the |
| stack walker while running (for example) Memory Analyzer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>walkState</code> - </dd> |
| <dd><code>level</code> - </dd> |
| <dd><code>message</code> - </dd> |
| <dd><code>args</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="swPrintMethod(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState)"> |
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| </a> |
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| <h4>swPrintMethod</h4> |
| <pre class="methodSignature">public static void swPrintMethod​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState) |
| 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="swPrintMethod(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer)"> |
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| <h4>swPrintMethod</h4> |
| <pre class="methodSignature">public static void swPrintMethod​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer method) |
| 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="WALK_METHOD_CLASS(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>WALK_METHOD_CLASS</h4> |
| <pre class="methodSignature">public static void WALK_METHOD_CLASS​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState) |
| 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="WALK_NAMED_INDIRECT_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer,java.lang.String)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>WALK_NAMED_INDIRECT_O_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_NAMED_INDIRECT_O_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> objectSlot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> indirectSlot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag) |
| 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="WALK_NAMED_INDIRECT_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer,java.lang.String)"> |
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| </a> |
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| <h4>WALK_NAMED_INDIRECT_I_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_NAMED_INDIRECT_I_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> intSlot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> indirectSlot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag) |
| 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="WALK_INDIRECT_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer)"> |
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| <h4>WALK_INDIRECT_O_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_INDIRECT_O_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> ind) |
| 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="WALK_INDIRECT_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,com.ibm.j9ddr.vm29.pointer.VoidPointer)"> |
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| <h4>WALK_INDIRECT_I_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_INDIRECT_I_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="../../pointer/VoidPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">VoidPointer</a> ind) |
| 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="WALK_NAMED_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,java.lang.String)"> |
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| </a> |
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| <h4>WALK_NAMED_O_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_NAMED_O_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag) |
| 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="WALK_NAMED_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer,java.lang.String)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>WALK_NAMED_I_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_NAMED_I_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> tag) |
| 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="WALK_O_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>WALK_O_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_O_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot) |
| 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="WALK_I_SLOT(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,com.ibm.j9ddr.vm29.pointer.PointerPointer)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>WALK_I_SLOT</h4> |
| <pre class="methodSignature">public static void WALK_I_SLOT​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="../../pointer/PointerPointer.html" title="class in com.ibm.j9ddr.vm29.pointer">PointerPointer</a> slot) |
| 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="JIT_RESOLVE_PARM(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>JIT_RESOLVE_PARM</h4> |
| <pre class="methodSignature">public static <a href="../../types/UDATA.html" title="class in com.ibm.j9ddr.vm29.types">UDATA</a> JIT_RESOLVE_PARM​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| int parmNumber) |
| 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="resetOSlotsCorruptionThreshold()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>resetOSlotsCorruptionThreshold</h4> |
| <pre class="methodSignature">public static void resetOSlotsCorruptionThreshold()</pre> |
| </li> |
| </ul> |
| <a id="oSlotsCorruptionThresholdReached()"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>oSlotsCorruptionThresholdReached</h4> |
| <pre class="methodSignature">public static boolean oSlotsCorruptionThresholdReached()</pre> |
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| <a id="handleOSlotsCorruption(com.ibm.j9ddr.vm29.j9.stackwalker.WalkState,java.lang.String,java.lang.String,com.ibm.j9ddr.CorruptDataException)"> |
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| <h4>handleOSlotsCorruption</h4> |
| <pre class="methodSignature">public static void handleOSlotsCorruption​(<a href="WalkState.html" title="class in com.ibm.j9ddr.vm29.j9.stackwalker">WalkState</a> walkState, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> className, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> methodName, |
| <a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a> ex)</pre> |
| <div class="block">Since walking OSlots touches a lot more code than just doing a frame walk, we have a layer of corruption handling |
| just above the o-slots logic. We have oslotsCorruptionThreshold attempts, then give up. |
| |
| This method is called in the catch block just below the top-level if (J9_STACKWALK_ITERATE_O_SLOTS) {} conditional.</div> |
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| <h4>enableVerboseLogging</h4> |
| <pre class="methodSignature">public static void enableVerboseLogging​(int level)</pre> |
| <div class="block">Enables stackwalk verbose logging through j.u.logging - similar in appearance to -verbose:stackwalk output from native.</div> |
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| <pre class="methodSignature">public static void enableVerboseLogging​(int level, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/PrintStream.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">PrintStream</a> os)</pre> |
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| <pre class="methodSignature">public static void disableVerboseLogging()</pre> |
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