1 /*
   2  * Copyright (c) 2004, 2011, 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