1 /*
   2  * Copyright (c) 2004, 2009, 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 
  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 #if MSC_VER < 1500
  72 
  73 /* Not needed for VS2008 compiler, comes from winnt.h. */
  74 typedef EXCEPTION_DISPOSITION (*PEXCEPTION_ROUTINE) (
  75     IN PEXCEPTION_RECORD ExceptionRecord,
  76     IN ULONG64 EstablisherFrame,
  77     IN OUT PCONTEXT ContextRecord,
  78     IN OUT PDISPATCHER_CONTEXT DispatcherContext
  79 );
  80 
  81 #endif
  82 
  83 #endif // AMD64