unwind_windows_x86.hpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 2004, 2010, 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#define UNW_FLAG_EHANDLER  0x01
33#define UNW_FLAG_UHANDLER  0x02
34#define UNW_FLAG_CHAININFO 0x04
35
36// This structure is used to define an UNWIND_INFO that
37// only has an ExceptionHandler.  There are no UnwindCodes
38// declared.
39typedef struct _UNWIND_INFO_EH_ONLY {
40    UBYTE Version       : 3;
41    UBYTE Flags         : 5;
42    UBYTE SizeOfProlog;
43    UBYTE CountOfCodes;
44    UBYTE FrameRegister : 4;
45    UBYTE FrameOffset   : 4;
46    union {
47       OPTIONAL ULONG ExceptionHandler;
48       OPTIONAL ULONG FunctionEntry;
49    };
50    OPTIONAL ULONG ExceptionData[1];
51} UNWIND_INFO_EH_ONLY, *PUNWIND_INFO_EH_ONLY;
52
53
54/*
55typedef struct _RUNTIME_FUNCTION {
56    ULONG BeginAddress;
57    ULONG EndAddress;
58    ULONG UnwindData;
59} RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;
60*/
61
62typedef struct _DISPATCHER_CONTEXT {
63    ULONG64 ControlPc;
64    ULONG64 ImageBase;
65    PRUNTIME_FUNCTION FunctionEntry;
66    ULONG64 EstablisherFrame;
67    ULONG64 TargetIp;
68    PCONTEXT ContextRecord;
69//    PEXCEPTION_ROUTINE LanguageHandler;
70    char * LanguageHandler; // double dependency problem
71    PVOID HandlerData;
72} DISPATCHER_CONTEXT, *PDISPATCHER_CONTEXT;
73
74#if MSC_VER < 1500
75
76/* Not needed for VS2008 compiler, comes from winnt.h. */
77typedef EXCEPTION_DISPOSITION (*PEXCEPTION_ROUTINE) (
78    IN PEXCEPTION_RECORD ExceptionRecord,
79    IN ULONG64 EstablisherFrame,
80    IN OUT PCONTEXT ContextRecord,
81    IN OUT PDISPATCHER_CONTEXT DispatcherContext
82);
83
84#endif
85
86#endif // AMD64
87
88#endif // OS_CPU_WINDOWS_X86_VM_UNWIND_WINDOWS_X86_HPP
89