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 30 typedef 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. 39 typedef 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 /* 55 typedef struct _RUNTIME_FUNCTION { 56 ULONG BeginAddress; 57 ULONG EndAddress; 58 ULONG UnwindData; 59 } RUNTIME_FUNCTION, *PRUNTIME_FUNCTION; 60 */ 61 62 typedef 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. */ 77 typedef 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