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9604ee8269
Co-authored-by: Monica Beckwith <mbeckwit@openjdk.org> Co-authored-by: Ludovic Henry <luhenry@openjdk.org> Co-authored-by: Bernhard Urban-Forster <burban@openjdk.org> Reviewed-by: dholmes, cjplummer, aph, ihse
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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* Copyright (c) 2020, Microsoft Corporation. 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_AARCH64_UNWIND_WINDOWS_AARCH64_HPP
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#define OS_CPU_WINDOWS_AARCH64_UNWIND_WINDOWS_AARCH64_HPP
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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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// See https://docs.microsoft.com/en-us/cpp/build/arm64-exception-handling#xdata-records
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typedef struct _UNWIND_INFO_EH_ONLY {
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DWORD FunctionLength : 18;
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DWORD Version : 2;
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DWORD X : 1; // = 1
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DWORD E : 1; // = 1
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DWORD EpilogCount : 5; // = 0
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DWORD CodeWords : 5; // = 1
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DWORD UnwindCode0 : 8;
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DWORD UnwindCode1 : 8;
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DWORD UnwindCode2 : 8;
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DWORD UnwindCode3 : 8;
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DWORD ExceptionHandler;
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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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DWORD BeginAddress;
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union {
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DWORD UnwindData;
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struct {
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DWORD Flag : 2;
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DWORD FunctionLength : 11;
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DWORD RegF : 3;
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DWORD RegI : 4;
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DWORD H : 1;
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DWORD CR : 2;
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DWORD FrameSize : 9;
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} DUMMYSTRUCTNAME;
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} DUMMYUNIONNAME;
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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 // OS_CPU_WINDOWS_AARCH64_UNWIND_WINDOWS_AARCH64_HPP
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