1 /* 2 * Copyright (c) 2004, 2019, 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_UNWIND_WINDOWS_X86_HPP 26 #define OS_CPU_WINDOWS_X86_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_UNWIND_WINDOWS_X86_HPP