Mercurial > hg > truffle
comparison src/share/vm/asm/codeBuffer.hpp @ 1201:24128c2ffa87
6921339: backout 6917766
Reviewed-by: mr
author | twisti |
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date | Fri, 29 Jan 2010 08:33:24 -0800 |
parents | ba263cfb7611 |
children | 18a389214829 |
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1200:ba263cfb7611 | 1201:24128c2ffa87 |
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1 /* | 1 /* |
2 * Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved. | 2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | 4 * |
5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
37 Frame_Complete, // Offset in the code where the frame setup is (for forte stackwalks) is complete | 37 Frame_Complete, // Offset in the code where the frame setup is (for forte stackwalks) is complete |
38 OSR_Entry, | 38 OSR_Entry, |
39 Dtrace_trap = OSR_Entry, // dtrace probes can never have an OSR entry so reuse it | 39 Dtrace_trap = OSR_Entry, // dtrace probes can never have an OSR entry so reuse it |
40 Exceptions, // Offset where exception handler lives | 40 Exceptions, // Offset where exception handler lives |
41 Deopt, // Offset where deopt handler lives | 41 Deopt, // Offset where deopt handler lives |
42 DeoptMH, // Offset where MethodHandle deopt handler lives | |
43 max_Entries }; | 42 max_Entries }; |
44 | 43 |
45 // special value to note codeBlobs where profile (forte) stack walking is | 44 // special value to note codeBlobs where profile (forte) stack walking is |
46 // always dangerous and suspect. | 45 // always dangerous and suspect. |
47 | 46 |
50 private: | 49 private: |
51 int _values[max_Entries]; | 50 int _values[max_Entries]; |
52 | 51 |
53 public: | 52 public: |
54 CodeOffsets() { | 53 CodeOffsets() { |
55 _values[Entry ] = 0; | 54 _values[Entry] = 0; |
56 _values[Verified_Entry] = 0; | 55 _values[Verified_Entry] = 0; |
57 _values[Frame_Complete] = frame_never_safe; | 56 _values[Frame_Complete] = frame_never_safe; |
58 _values[OSR_Entry ] = 0; | 57 _values[OSR_Entry] = 0; |
59 _values[Exceptions ] = -1; | 58 _values[Exceptions] = -1; |
60 _values[Deopt ] = -1; | 59 _values[Deopt] = -1; |
61 _values[DeoptMH ] = -1; | |
62 } | 60 } |
63 | 61 |
64 int value(Entries e) { return _values[e]; } | 62 int value(Entries e) { return _values[e]; } |
65 void set_value(Entries e, int val) { _values[e] = val; } | 63 void set_value(Entries e, int val) { _values[e] = val; } |
66 }; | 64 }; |