src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotCompiledCode.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotCompiledCode.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package jdk.vm.ci.hotspot;
+
+import jdk.vm.ci.code.BytecodeFrame;
+import jdk.vm.ci.code.CompiledCode;
+import jdk.vm.ci.code.StackSlot;
+import jdk.vm.ci.code.site.DataPatch;
+import jdk.vm.ci.code.site.Infopoint;
+import jdk.vm.ci.code.site.Site;
+import jdk.vm.ci.meta.Assumptions.Assumption;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+
+/**
+ * A {@link CompiledCode} with additional HotSpot-specific information required for installing the
+ * code in HotSpot's code cache.
+ */
+public class HotSpotCompiledCode implements CompiledCode {
+
+ /**
+ * The name of this compilation unit.
+ */
+ protected final String name;
+
+ /**
+ * The buffer containing the emitted machine code.
+ */
+ protected final byte[] targetCode;
+
+ /**
+ * The leading number of bytes in {@link #targetCode} containing the emitted machine code.
+ */
+ protected final int targetCodeSize;
+
+ /**
+ * A list of code annotations describing special sites in {@link #targetCode}.
+ */
+ protected final Site[] sites;
+
+ /**
+ * A list of {@link Assumption} this code relies on.
+ */
+ protected final Assumption[] assumptions;
+
+ /**
+ * The list of the methods whose bytecodes were used as input to the compilation. If
+ * {@code null}, then the compilation did not record method dependencies. Otherwise, the first
+ * element of this array is the root method of the compilation.
+ */
+ protected final ResolvedJavaMethod[] methods;
+
+ /**
+ * A list of comments that will be included in code dumps.
+ */
+ protected final Comment[] comments;
+
+ /**
+ * The data section containing serialized constants for the emitted machine code.
+ */
+ protected final byte[] dataSection;
+
+ /**
+ * The minimum alignment of the data section.
+ */
+ protected final int dataSectionAlignment;
+
+ /**
+ * A list of relocations in the {@link #dataSection}.
+ */
+ protected final DataPatch[] dataSectionPatches;
+
+ /**
+ * A flag determining whether this code is immutable and position independent.
+ */
+ protected final boolean isImmutablePIC;
+
+ /**
+ * The total size of the stack frame of this compiled method.
+ */
+ protected final int totalFrameSize;
+
+ /**
+ * The deopt rescue slot. Must be non-null if there is a safepoint in the method.
+ */
+ protected final StackSlot deoptRescueSlot;
+
+ public static class Comment {
+
+ public final String text;
+ public final int pcOffset;
+
+ public Comment(int pcOffset, String text) {
+ this.text = text;
+ this.pcOffset = pcOffset;
+ }
+ }
+
+ @SuppressFBWarnings(value = "EI_EXPOSE_REP2", justification = "caller transfers ownership of `sites`, `targetCode`, `comments`, `methods`, `dataSection`, `dataSectionPatches` and `assumptions`")
+ public HotSpotCompiledCode(String name, byte[] targetCode, int targetCodeSize, Site[] sites, Assumption[] assumptions, ResolvedJavaMethod[] methods, Comment[] comments, byte[] dataSection,
+ int dataSectionAlignment, DataPatch[] dataSectionPatches, boolean isImmutablePIC, int totalFrameSize, StackSlot deoptRescueSlot) {
+ this.name = name;
+ this.targetCode = targetCode;
+ this.targetCodeSize = targetCodeSize;
+ this.sites = sites;
+ this.assumptions = assumptions;
+ this.methods = methods;
+
+ this.comments = comments;
+ this.dataSection = dataSection;
+ this.dataSectionAlignment = dataSectionAlignment;
+ this.dataSectionPatches = dataSectionPatches;
+ this.isImmutablePIC = isImmutablePIC;
+ this.totalFrameSize = totalFrameSize;
+ this.deoptRescueSlot = deoptRescueSlot;
+
+ assert validateFrames();
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ @Override
+ public String toString() {
+ return name;
+ }
+
+ /**
+ * Ensure that all the frames passed into the VM are properly formatted with an empty or illegal
+ * slot following double word slots.
+ */
+ private boolean validateFrames() {
+ for (Site site : sites) {
+ if (site instanceof Infopoint) {
+ Infopoint info = (Infopoint) site;
+ if (info.debugInfo != null) {
+ BytecodeFrame frame = info.debugInfo.frame();
+ assert frame == null || frame.validateFormat();
+ }
+ }
+ }
+ return true;
+ }
+}