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comparison jvmci/jdk.vm.ci.code/src/jdk/vm/ci/code/CompiledCode.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 1d4ce2d19e52
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.code; 23 package jdk.vm.ci.code;
24 24
25 import jdk.vm.ci.code.site.Infopoint;
26 import jdk.vm.ci.code.site.Site;
27 import jdk.vm.ci.meta.Assumptions.Assumption;
28 import jdk.vm.ci.meta.ResolvedJavaMethod;
29
30 /** 25 /**
31 * Abstract base class that represents the output from compiling a method. 26 * The output from compiling a method.
32 */ 27 */
33 public abstract class CompiledCode { 28 public interface CompiledCode {
34
35 /**
36 * The name of this compilation unit.
37 */
38 protected final String name;
39
40 /**
41 * The buffer containing the emitted machine code.
42 */
43 protected final byte[] targetCode;
44
45 /**
46 * The leading number of bytes in {@link #targetCode} containing the emitted machine code.
47 */
48 protected final int targetCodeSize;
49
50 /**
51 * A list of code annotations describing special sites in {@link #targetCode}.
52 */
53 protected final Site[] sites;
54
55 /**
56 * A list of {@link Assumption} this code relies on.
57 */
58 protected final Assumption[] assumptions;
59
60 /**
61 * The list of the methods whose bytecodes were used as input to the compilation. If
62 * {@code null}, then the compilation did not record method dependencies. Otherwise, the first
63 * element of this array is the root method of the compilation.
64 */
65 protected final ResolvedJavaMethod[] methods;
66
67 public CompiledCode(String name, byte[] targetCode, int targetCodeSize, Site[] sites, Assumption[] assumptions, ResolvedJavaMethod[] methods) {
68 this.name = name;
69 this.targetCode = targetCode;
70 this.targetCodeSize = targetCodeSize;
71 this.sites = sites;
72 this.assumptions = assumptions;
73 this.methods = methods;
74
75 assert validateFrames();
76 }
77
78 public String getName() {
79 return name;
80 }
81
82 @Override
83 public String toString() {
84 return name;
85 }
86
87 /**
88 * Ensure that all the frames passed into the VM are properly formatted with an empty or illegal
89 * slot following double word slots.
90 */
91 private boolean validateFrames() {
92 for (Site site : sites) {
93 if (site instanceof Infopoint) {
94 Infopoint info = (Infopoint) site;
95 if (info.debugInfo != null) {
96 BytecodeFrame frame = info.debugInfo.frame();
97 assert frame == null || frame.validateFormat();
98 }
99 }
100 }
101 return true;
102 }
103 } 29 }