Repository navigation
Expand file tree
/
Copy pathUNSAFE.java
More file actions
56 lines (54 loc) · 2.23 KB
/
Copy pathUNSAFE.java
File metadata and controls
56 lines (54 loc) · 2.23 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/*
* Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
*
* Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
* that is described in this document. In particular, and without limitation, these intellectual property
* rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
* more additional patents or pending patent applications in the U.S. and in other countries.
*
* U.S. Government Rights - Commercial software. Government users are subject to the Sun
* Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
* supplements.
*
* Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
* registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
* are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
* U.S. and other countries.
*
* UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
* Company, Ltd.
*/
package com.sun.max.annotate;
import java.lang.annotation.*;
/**
* Methods with this annotation must be compiled with the bootstrap compiler, not the JIT.
* Neither can they be interpreted.
* <p>
* This is the case when a method uses values of type {@link Word} or
* any constant folding or dead code elimination must take place
* before the code makes sense in the target VM.
* <p>
* Most of these methods are recognized automatically.
* Only those not captured during {@linkplain Intrinsics#run() intrinsification}
* need to be annotated.
* <p>
* Some other annotations imply UNSAFE:
* <ul>
* <li>{@link BUILTIN}</li>
* <li>{@link C_FUNCTION}</li>
* <li>{@link VM_ENTRY_POINT}</li>
* <li>{@link ACCESSOR}</li>
* <li>{@link SUBSTITUTE}: the substitutee is unsafe</li>
* <li>{@link LOCAL_SUBSTITUTION}: the substitutee is unsafe</li>
* </ul>
* <p>
* However, some must be pointed out manually with this annotation.
*
* @see ClassfileReader
*
* @author Bernd Mathiske
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
public @interface UNSAFE {
}