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comparison src/share/vm/asm/codeBuffer.hpp @ 1201:24128c2ffa87

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6921339: backout 6917766 Reviewed-by: mr
author twisti
date Fri, 29 Jan 2010 08:33:24 -0800
parents ba263cfb7611
children 18a389214829
comparison
equal deleted inserted replaced
1200:ba263cfb7611 1201:24128c2ffa87
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 };