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comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotCompiledCode.java @ 22780:b4ff1a18d19c

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Move data fields from CompiledCode to HotSpotCompiledCode
author Christian Wimmer <christian.wimmer@oracle.com>
date Tue, 19 Jan 2016 17:36:21 -0800
parents 9273bb6ba33e
children 5d06abd6d35b
comparison
equal deleted inserted replaced
22779:b41377216cf9 22780:b4ff1a18d19c
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 */ 22 */
23 package jdk.vm.ci.hotspot; 23 package jdk.vm.ci.hotspot;
24 24
25 import jdk.vm.ci.code.BytecodeFrame;
25 import jdk.vm.ci.code.CompiledCode; 26 import jdk.vm.ci.code.CompiledCode;
26 import jdk.vm.ci.code.site.DataPatch; 27 import jdk.vm.ci.code.site.DataPatch;
28 import jdk.vm.ci.code.site.Infopoint;
27 import jdk.vm.ci.code.site.Site; 29 import jdk.vm.ci.code.site.Site;
28 import jdk.vm.ci.meta.Assumptions.Assumption; 30 import jdk.vm.ci.meta.Assumptions.Assumption;
29 import jdk.vm.ci.meta.ResolvedJavaMethod; 31 import jdk.vm.ci.meta.ResolvedJavaMethod;
30 32
31 /** 33 /**
32 * A {@link CompiledCode} with additional HotSpot-specific information required for installing the 34 * A {@link CompiledCode} with additional HotSpot-specific information required for installing the
33 * code in HotSpot's code cache. 35 * code in HotSpot's code cache.
34 */ 36 */
35 public class HotSpotCompiledCode extends CompiledCode { 37 public class HotSpotCompiledCode implements CompiledCode {
38
39 /**
40 * The name of this compilation unit.
41 */
42 protected final String name;
43
44 /**
45 * The buffer containing the emitted machine code.
46 */
47 protected final byte[] targetCode;
48
49 /**
50 * The leading number of bytes in {@link #targetCode} containing the emitted machine code.
51 */
52 protected final int targetCodeSize;
53
54 /**
55 * A list of code annotations describing special sites in {@link #targetCode}.
56 */
57 protected final Site[] sites;
58
59 /**
60 * A list of {@link Assumption} this code relies on.
61 */
62 protected final Assumption[] assumptions;
63
64 /**
65 * The list of the methods whose bytecodes were used as input to the compilation. If
66 * {@code null}, then the compilation did not record method dependencies. Otherwise, the first
67 * element of this array is the root method of the compilation.
68 */
69 protected final ResolvedJavaMethod[] methods;
36 70
37 protected final Comment[] comments; 71 protected final Comment[] comments;
38 72
39 protected final byte[] dataSection; 73 protected final byte[] dataSection;
40 protected final int dataSectionAlignment; 74 protected final int dataSectionAlignment;
54 } 88 }
55 } 89 }
56 90
57 public HotSpotCompiledCode(String name, byte[] targetCode, int targetCodeSize, Site[] sites, Assumption[] assumptions, ResolvedJavaMethod[] methods, Comment[] comments, byte[] dataSection, 91 public HotSpotCompiledCode(String name, byte[] targetCode, int targetCodeSize, Site[] sites, Assumption[] assumptions, ResolvedJavaMethod[] methods, Comment[] comments, byte[] dataSection,
58 int dataSectionAlignment, DataPatch[] dataSectionPatches, int totalFrameSize, int customStackAreaOffset) { 92 int dataSectionAlignment, DataPatch[] dataSectionPatches, int totalFrameSize, int customStackAreaOffset) {
59 super(name, targetCode, targetCodeSize, sites, assumptions, methods); 93 this.name = name;
94 this.targetCode = targetCode;
95 this.targetCodeSize = targetCodeSize;
96 this.sites = sites;
97 this.assumptions = assumptions;
98 this.methods = methods;
99
60 this.comments = comments; 100 this.comments = comments;
61 this.dataSection = dataSection; 101 this.dataSection = dataSection;
62 this.dataSectionAlignment = dataSectionAlignment; 102 this.dataSectionAlignment = dataSectionAlignment;
63 this.dataSectionPatches = dataSectionPatches; 103 this.dataSectionPatches = dataSectionPatches;
64 this.totalFrameSize = totalFrameSize; 104 this.totalFrameSize = totalFrameSize;
65 this.customStackAreaOffset = customStackAreaOffset; 105 this.customStackAreaOffset = customStackAreaOffset;
106
107 assert validateFrames();
108 }
109
110 public String getName() {
111 return name;
112 }
113
114 @Override
115 public String toString() {
116 return name;
117 }
118
119 /**
120 * Ensure that all the frames passed into the VM are properly formatted with an empty or illegal
121 * slot following double word slots.
122 */
123 private boolean validateFrames() {
124 for (Site site : sites) {
125 if (site instanceof Infopoint) {
126 Infopoint info = (Infopoint) site;
127 if (info.debugInfo != null) {
128 BytecodeFrame frame = info.debugInfo.frame();
129 assert frame == null || frame.validateFormat();
130 }
131 }
132 }
133 return true;
66 } 134 }
67 } 135 }