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comparison src/os_cpu/windows_x86/vm/unwind_windows_x86.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c3a720eefe82
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25
26 #ifdef AMD64
27 typedef unsigned char UBYTE;
28
29 #define UNW_FLAG_EHANDLER 0x01
30 #define UNW_FLAG_UHANDLER 0x02
31 #define UNW_FLAG_CHAININFO 0x04
32
33 // This structure is used to define an UNWIND_INFO that
34 // only has an ExceptionHandler. There are no UnwindCodes
35 // declared.
36 typedef struct _UNWIND_INFO_EH_ONLY {
37 UBYTE Version : 3;
38 UBYTE Flags : 5;
39 UBYTE SizeOfProlog;
40 UBYTE CountOfCodes;
41 UBYTE FrameRegister : 4;
42 UBYTE FrameOffset : 4;
43 union {
44 OPTIONAL ULONG ExceptionHandler;
45 OPTIONAL ULONG FunctionEntry;
46 };
47 OPTIONAL ULONG ExceptionData[1];
48 } UNWIND_INFO_EH_ONLY, *PUNWIND_INFO_EH_ONLY;
49
50
51 /*
52 typedef struct _RUNTIME_FUNCTION {
53 ULONG BeginAddress;
54 ULONG EndAddress;
55 ULONG UnwindData;
56 } RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;
57 */
58
59 typedef struct _DISPATCHER_CONTEXT {
60 ULONG64 ControlPc;
61 ULONG64 ImageBase;
62 PRUNTIME_FUNCTION FunctionEntry;
63 ULONG64 EstablisherFrame;
64 ULONG64 TargetIp;
65 PCONTEXT ContextRecord;
66 // PEXCEPTION_ROUTINE LanguageHandler;
67 char * LanguageHandler; // double dependency problem
68 PVOID HandlerData;
69 } DISPATCHER_CONTEXT, *PDISPATCHER_CONTEXT;
70
71 typedef EXCEPTION_DISPOSITION (*PEXCEPTION_ROUTINE) (
72 IN PEXCEPTION_RECORD ExceptionRecord,
73 IN ULONG64 EstablisherFrame,
74 IN OUT PCONTEXT ContextRecord,
75 IN OUT PDISPATCHER_CONTEXT DispatcherContext
76 );
77
78 #endif // AMD64