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

    30 typedef 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.

    44 typedef 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 /*

    60 typedef 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. */

    70 typedef 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. */

    87 typedef 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