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JDK 11 jdk.hotspot.agent.jmod - Hotspot Agent Module
JDK 11 jdk.hotspot.agent.jmod is the JMOD file for JDK 11 Hotspot Agent module.
JDK 11 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.hotspot.agent.jmod.
JDK 11 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Hotspot Agent module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.hotspot.agent.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ sun/jvm/hotspot/interpreter/OopMapCacheEntry.java
/* * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * */ package sun.jvm.hotspot.interpreter; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.utilities.*; public class OopMapCacheEntry { // Iteration public boolean isValue(int offset) { return !entryAt(offset); } public boolean isOop (int offset) { return entryAt(offset); } public void iterateOop(OffsetClosure oopClosure) { int n = numberOfEntries(); for (int i = 0; i < n; i++) { if (entryAt(i)) { oopClosure.offsetDo(i); } } } // Initialization public void fill(Method method, int bci) { this.method = method; this.bci = bci; if (method.isNative()) { // Native method activations have oops only among the parameters and one // extra oop following the parameters (the mirror for static native methods). fillForNative(); } else { OopMapForCacheEntry gen = new OopMapForCacheEntry(method, bci, this); gen.computeMap(); } } public void setMask(CellTypeStateList vars, CellTypeStateList stack, int stackTop) { // compute bit mask size int maxLocals = (int) method.getMaxLocals(); int nEntries = maxLocals + stackTop; maskSize = nEntries; allocateBitMask(); CellTypeStateList curList = vars; int listIdx = 0; for (int entryIdx = 0; entryIdx < nEntries; entryIdx++, listIdx++) { // switch to stack when done with locals if (entryIdx == maxLocals) { curList = stack; listIdx = 0; } CellTypeState cell = curList.get(listIdx); // set oop bit if ( cell.isReference()) { mask.atPut(entryIdx, true); } } // verify bit mask if (Assert.ASSERTS_ENABLED) { Assert.that(verifyMask(vars, stack, maxLocals, stackTop), "mask could not be verified"); } } //---------------------------------------------------------------------- // Internals only below this point // private Method method; // the method for which the mask is valid private int bci; // the bci for which the mask is valid private int maskSize; // the required mask size in bits private BitMap mask; // may be null if mask is empty Method method() { return method; } int bci() { return bci; } int numberOfEntries() { return maskSize; } boolean entryAt(int offset) { return mask.at(offset); } void setEmptyMask() { mask = null; } void allocateBitMask() { if (maskSize > 0) { mask = new BitMap(maskSize); } } // fills the bit mask for native calls void fillForNative() { if (Assert.ASSERTS_ENABLED) { Assert.that(method.isNative(), "method must be native method"); } maskSize = (int) method.getSizeOfParameters(); allocateBitMask(); // fill mask for parameters MaskFillerForNative mf = new MaskFillerForNative(method, mask, maskSize); mf.generate(); } static class VerifyClosure implements OffsetClosure { private OopMapCacheEntry entry; private boolean failed; VerifyClosure(OopMapCacheEntry entry) { this.entry = entry; } public void offsetDo(int offset) { if (!entry.isOop(offset)) failed = true; } boolean failed() { return failed; } } boolean verifyMask(CellTypeStateList vars, CellTypeStateList stack, int maxLocals, int stackTop) { // Check mask includes map VerifyClosure blk = new VerifyClosure(this); iterateOop(blk); if (blk.failed()) return false; // Check if map is generated correctly for(int i = 0; i < maxLocals; i++) { boolean v1 = isOop(i); boolean v2 = vars.get(i).isReference(); if (Assert.ASSERTS_ENABLED) { Assert.that(v1 == v2, "locals oop mask generation error"); } } for(int j = 0; j < stackTop; j++) { boolean v1 = isOop(maxLocals + j); boolean v2 = stack.get(j).isReference(); if (Assert.ASSERTS_ENABLED) { Assert.that(v1 == v2, "stack oop mask generation error"); } } return true; } }
⏎ sun/jvm/hotspot/interpreter/OopMapCacheEntry.java
Or download all of them as a single archive file:
File name: jdk.hotspot.agent-11.0.1-src.zip File size: 1243786 bytes Release date: 2018-11-04 Download
⇒ JDK 11 jdk.httpserver.jmod - HTTP Server Module
2020-02-29, 130322👍, 0💬
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