1 /*
2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 package jdk.vm.ci.code;
24 
25 import jdk.vm.ci.meta.ResolvedJavaMethod;
26 
27 /**
28  * Represents a request to compile a method.
29  */
30 public class CompilationRequest {
31 
32     private final ResolvedJavaMethod method;
33 
34     private final int entryBCI;
35 
36     /**
37      * Creates a request to compile a method starting at its entry point.
38      *
39      * @param method the method to be compiled
40      */
CompilationRequest(ResolvedJavaMethod method)41     public CompilationRequest(ResolvedJavaMethod method) {
42         this(method, -1);
43     }
44 
45     /**
46      * Creates a request to compile a method starting at a given BCI.
47      *
48      * @param method the method to be compiled
49      * @param entryBCI the bytecode index (BCI) at which to start compiling where -1 denotes the
50      *            method's entry point
51      */
CompilationRequest(ResolvedJavaMethod method, int entryBCI)52     public CompilationRequest(ResolvedJavaMethod method, int entryBCI) {
53         assert method != null;
54         this.method = method;
55         this.entryBCI = entryBCI;
56     }
57 
58     /**
59      * Gets the method to be compiled.
60      */
getMethod()61     public ResolvedJavaMethod getMethod() {
62         return method;
63     }
64 
65     /**
66      * Gets the bytecode index (BCI) at which to start compiling where -1 denotes a non-OSR
67      * compilation request and all other values denote an on stack replacement (OSR) compilation
68      * request.
69      */
getEntryBCI()70     public int getEntryBCI() {
71         return entryBCI;
72     }
73 
74     @Override
toString()75     public String toString() {
76         return method.format("%H.%n(%p)@" + entryBCI);
77     }
78 }
79