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GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/src/hotspot/os_cpu/windows_x86/unwind_windows_x86.hpp
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/*

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 * Copyright (c) 2004, 2019, Oracle and/or its affiliates. All rights reserved.

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * This code is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 only, as

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 * published by the Free Software Foundation.

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 *

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * version 2 for more details (a copy is included in the LICENSE file that

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 * accompanied this code).

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 *

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 * You should have received a copy of the GNU General Public License version

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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 *

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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * or visit www.oracle.com if you need additional information or have any

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 * questions.

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 *

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 */

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#ifndef OS_CPU_WINDOWS_X86_UNWIND_WINDOWS_X86_HPP

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#define OS_CPU_WINDOWS_X86_UNWIND_WINDOWS_X86_HPP

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#ifdef AMD64

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typedef unsigned char UBYTE;

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#if _MSC_VER < 1700

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/* Not needed for VS2012 compiler, comes from winnt.h. */

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#define UNW_FLAG_EHANDLER  0x01

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#define UNW_FLAG_UHANDLER  0x02

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#define UNW_FLAG_CHAININFO 0x04

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#endif

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// This structure is used to define an UNWIND_INFO that

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// only has an ExceptionHandler.  There are no UnwindCodes

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// declared.

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typedef struct _UNWIND_INFO_EH_ONLY {

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    UBYTE Version       : 3;

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    UBYTE Flags         : 5;

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    UBYTE SizeOfProlog;

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    UBYTE CountOfCodes;

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    UBYTE FrameRegister : 4;

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    UBYTE FrameOffset   : 4;

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    union {

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       OPTIONAL ULONG ExceptionHandler;

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       OPTIONAL ULONG FunctionEntry;

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    };

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    OPTIONAL ULONG ExceptionData[1];

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} UNWIND_INFO_EH_ONLY, *PUNWIND_INFO_EH_ONLY;

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/*

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typedef struct _RUNTIME_FUNCTION {

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    ULONG BeginAddress;

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    ULONG EndAddress;

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    ULONG UnwindData;

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} RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;

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*/

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#if _MSC_VER < 1700

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/* Not needed for VS2012 compiler, comes from winnt.h. */

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typedef struct _DISPATCHER_CONTEXT {

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    ULONG64 ControlPc;

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    ULONG64 ImageBase;

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    PRUNTIME_FUNCTION FunctionEntry;

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    ULONG64 EstablisherFrame;

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    ULONG64 TargetIp;

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    PCONTEXT ContextRecord;

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//    PEXCEPTION_ROUTINE LanguageHandler;

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    char * LanguageHandler; // double dependency problem

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    PVOID HandlerData;

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} DISPATCHER_CONTEXT, *PDISPATCHER_CONTEXT;

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#endif

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#if _MSC_VER < 1500

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/* Not needed for VS2008 compiler, comes from winnt.h. */

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typedef EXCEPTION_DISPOSITION (*PEXCEPTION_ROUTINE) (

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    IN PEXCEPTION_RECORD ExceptionRecord,

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    IN ULONG64 EstablisherFrame,

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    IN OUT PCONTEXT ContextRecord,

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    IN OUT PDISPATCHER_CONTEXT DispatcherContext

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);

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#endif

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#endif // AMD64

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#endif // OS_CPU_WINDOWS_X86_UNWIND_WINDOWS_X86_HPP

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