1/*
2 * Copyright (c) 2004, 2013, 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 */
24
25#ifndef OS_CPU_WINDOWS_X86_VM_UNWIND_WINDOWS_X86_HPP
26#define OS_CPU_WINDOWS_X86_VM_UNWIND_WINDOWS_X86_HPP
27
28
29#ifdef AMD64
30typedef unsigned char UBYTE;
31
32#if _MSC_VER < 1700
33
34/* Not needed for VS2012 compiler, comes from winnt.h. */
35#define UNW_FLAG_EHANDLER  0x01
36#define UNW_FLAG_UHANDLER  0x02
37#define UNW_FLAG_CHAININFO 0x04
38
39#endif
40
41// This structure is used to define an UNWIND_INFO that
42// only has an ExceptionHandler.  There are no UnwindCodes
43// declared.
44typedef struct _UNWIND_INFO_EH_ONLY {
45    UBYTE Version       : 3;
46    UBYTE Flags         : 5;
47    UBYTE SizeOfProlog;
48    UBYTE CountOfCodes;
49    UBYTE FrameRegister : 4;
50    UBYTE FrameOffset   : 4;
51    union {
52       OPTIONAL ULONG ExceptionHandler;
53       OPTIONAL ULONG FunctionEntry;
54    };
55    OPTIONAL ULONG ExceptionData[1];
56} UNWIND_INFO_EH_ONLY, *PUNWIND_INFO_EH_ONLY;
57
58
59/*
60typedef struct _RUNTIME_FUNCTION {
61    ULONG BeginAddress;
62    ULONG EndAddress;
63    ULONG UnwindData;
64} RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;
65*/
66
67#if _MSC_VER < 1700
68
69/* Not needed for VS2012 compiler, comes from winnt.h. */
70typedef struct _DISPATCHER_CONTEXT {
71    ULONG64 ControlPc;
72    ULONG64 ImageBase;
73    PRUNTIME_FUNCTION FunctionEntry;
74    ULONG64 EstablisherFrame;
75    ULONG64 TargetIp;
76    PCONTEXT ContextRecord;
77//    PEXCEPTION_ROUTINE LanguageHandler;
78    char * LanguageHandler; // double dependency problem
79    PVOID HandlerData;
80} DISPATCHER_CONTEXT, *PDISPATCHER_CONTEXT;
81
82#endif
83
84#if _MSC_VER < 1500
85
86/* Not needed for VS2008 compiler, comes from winnt.h. */
87typedef EXCEPTION_DISPOSITION (*PEXCEPTION_ROUTINE) (
88    IN PEXCEPTION_RECORD ExceptionRecord,
89    IN ULONG64 EstablisherFrame,
90    IN OUT PCONTEXT ContextRecord,
91    IN OUT PDISPATCHER_CONTEXT DispatcherContext
92);
93
94#endif
95
96#endif // AMD64
97
98#endif // OS_CPU_WINDOWS_X86_VM_UNWIND_WINDOWS_X86_HPP
99