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365 lines
7.0 KiB
365 lines
7.0 KiB
/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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ntxcapi.h
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Abstract:
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This module contains procedure prototypes and data structures
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that support structured exception handling.
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Author:
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Mark Lucovsky (markl) 29-Jun-1989
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Revision History:
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--*/
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#ifndef _NTXCAPI_
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#define _NTXCAPI_
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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// begin_ntddk begin_wdm
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//
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// Exception flag definitions.
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//
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// begin_winnt
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#define EXCEPTION_NONCONTINUABLE 0x1 // Noncontinuable exception
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// end_winnt
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// end_ntddk end_wdm
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#define EXCEPTION_UNWINDING 0x2 // Unwind is in progress
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#define EXCEPTION_EXIT_UNWIND 0x4 // Exit unwind is in progress
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#define EXCEPTION_STACK_INVALID 0x8 // Stack out of limits or unaligned
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#define EXCEPTION_NESTED_CALL 0x10 // Nested exception handler call
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#define EXCEPTION_TARGET_UNWIND 0x20 // Target unwind in progress
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#define EXCEPTION_COLLIDED_UNWIND 0x40 // Collided exception handler call
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#define EXCEPTION_UNWIND (EXCEPTION_UNWINDING | EXCEPTION_EXIT_UNWIND | \
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EXCEPTION_TARGET_UNWIND | EXCEPTION_COLLIDED_UNWIND)
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#define IS_UNWINDING(Flag) ((Flag & EXCEPTION_UNWIND) != 0)
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#define IS_DISPATCHING(Flag) ((Flag & EXCEPTION_UNWIND) == 0)
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#define IS_TARGET_UNWIND(Flag) (Flag & EXCEPTION_TARGET_UNWIND)
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// begin_ntddk begin_wdm begin_nthal
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//
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// Define maximum number of exception parameters.
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//
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// begin_winnt
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#define EXCEPTION_MAXIMUM_PARAMETERS 15 // maximum number of exception parameters
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//
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// Exception record definition.
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//
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typedef struct _EXCEPTION_RECORD {
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NTSTATUS ExceptionCode;
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ULONG ExceptionFlags;
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struct _EXCEPTION_RECORD *ExceptionRecord;
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PVOID ExceptionAddress;
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ULONG NumberParameters;
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ULONG_PTR ExceptionInformation[EXCEPTION_MAXIMUM_PARAMETERS];
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} EXCEPTION_RECORD;
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typedef EXCEPTION_RECORD *PEXCEPTION_RECORD;
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typedef struct _EXCEPTION_RECORD32 {
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NTSTATUS ExceptionCode;
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ULONG ExceptionFlags;
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ULONG ExceptionRecord;
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ULONG ExceptionAddress;
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ULONG NumberParameters;
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ULONG ExceptionInformation[EXCEPTION_MAXIMUM_PARAMETERS];
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} EXCEPTION_RECORD32, *PEXCEPTION_RECORD32;
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typedef struct _EXCEPTION_RECORD64 {
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NTSTATUS ExceptionCode;
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ULONG ExceptionFlags;
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ULONG64 ExceptionRecord;
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ULONG64 ExceptionAddress;
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ULONG NumberParameters;
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ULONG __unusedAlignment;
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ULONG64 ExceptionInformation[EXCEPTION_MAXIMUM_PARAMETERS];
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} EXCEPTION_RECORD64, *PEXCEPTION_RECORD64;
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//
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// Typedef for pointer returned by exception_info()
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//
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typedef struct _EXCEPTION_POINTERS {
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PEXCEPTION_RECORD ExceptionRecord;
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PCONTEXT ContextRecord;
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} EXCEPTION_POINTERS, *PEXCEPTION_POINTERS;
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// end_winnt
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// end_ntddk end_wdm end_nthal
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//
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// Define IEEE exception information.
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//
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// Define 32-, 64-, 80-, and 128-bit IEEE floating operand structures.
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//
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typedef struct _FP_32 {
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ULONG W[1];
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} FP_32, *PFP_32;
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typedef struct _FP_64 {
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ULONG W[2];
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} FP_64, *PFP_64;
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typedef struct _FP_80 {
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ULONG W[3];
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} FP_80, *PFP_80;
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typedef struct _FP_128 {
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ULONG W[4];
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} FP_128, *PFP_128;
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//
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// Define IEEE compare result values.
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//
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typedef enum _FP_IEEE_COMPARE_RESULT {
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FpCompareEqual,
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FpCompareGreater,
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FpCompareLess,
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FpCompareUnordered
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} FP_IEEE_COMPARE_RESULT;
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//
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// Define IEEE format and result precision values.
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//
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typedef enum _FP__IEEE_FORMAT {
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FpFormatFp32,
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FpFormatFp64,
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FpFormatFp80,
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FpFormatFp128,
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FpFormatI16,
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FpFormatI32,
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FpFormatI64,
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FpFormatU16,
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FpFormatU32,
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FpFormatU64,
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FpFormatCompare,
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FpFormatString
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} FP_IEEE_FORMAT;
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//
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// Define IEEE operation code values.
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//
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typedef enum _FP_IEEE_OPERATION_CODE {
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FpCodeUnspecified,
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FpCodeAdd,
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FpCodeSubtract,
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FpCodeMultiply,
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FpCodeDivide,
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FpCodeSquareRoot,
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FpCodeRemainder,
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FpCodeCompare,
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FpCodeConvert,
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FpCodeRound,
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FpCodeTruncate,
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FpCodeFloor,
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FpCodeCeil,
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FpCodeAcos,
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FpCodeAsin,
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FpCodeAtan,
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FpCodeAtan2,
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FpCodeCabs,
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FpCodeCos,
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FpCodeCosh,
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FpCodeExp,
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FpCodeFabs,
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FpCodeFmod,
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FpCodeFrexp,
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FpCodeHypot,
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FpCodeLdexp,
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FpCodeLog,
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FpCodeLog10,
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FpCodeModf,
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FpCodePow,
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FpCodeSin,
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FpCodeSinh,
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FpCodeTan,
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FpCodeTanh,
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FpCodeY0,
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FpCodeY1,
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FpCodeYn
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} FP_OPERATION_CODE;
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//
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// Define IEEE rounding modes.
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//
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typedef enum _FP__IEEE_ROUNDING_MODE {
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FpRoundNearest,
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FpRoundMinusInfinity,
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FpRoundPlusInfinity,
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FpRoundChopped
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} FP_IEEE_ROUNDING_MODE;
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//
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// Define IEEE floating exception operand structure.
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//
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typedef struct _FP_IEEE_VALUE {
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union {
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SHORT I16Value;
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USHORT U16Value;
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LONG I32Value;
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ULONG U32Value;
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PVOID StringValue;
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ULONG CompareValue;
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FP_32 Fp32Value;
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LARGE_INTEGER I64Value;
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ULARGE_INTEGER U64Value;
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FP_64 Fp64Value;
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FP_80 Fp80Value;
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FP_128 Fp128Value;
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} Value;
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struct {
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ULONG RoundingMode : 2;
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ULONG Inexact : 1;
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ULONG Underflow : 1;
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ULONG Overflow : 1;
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ULONG ZeroDivide : 1;
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ULONG InvalidOperation : 1;
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ULONG OperandValid : 1;
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ULONG Format : 4;
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ULONG Precision : 4;
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ULONG Operation : 12;
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ULONG Spare : 3;
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ULONG HardwareException : 1;
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} Control;
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} FP_IEEE_VALUE, *PFP_IEEE_VALUE;
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//
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// Define IEEE exception infomation structure.
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//
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#include "pshpack4.h"
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typedef struct _FP_IEEE_RECORD {
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FP_IEEE_VALUE Operand1;
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FP_IEEE_VALUE Operand2;
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FP_IEEE_VALUE Result;
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} FP_IEEE_RECORD, *PFP_IEEE_RECORD;
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#include "poppack.h"
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//
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// Exception dispatcher routine definition.
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//
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NTSYSAPI
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BOOLEAN
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NTAPI
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RtlDispatchException (
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IN PEXCEPTION_RECORD ExceptionRecord,
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IN PCONTEXT ContextRecord
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);
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//
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// Exception handling procedure prototypes.
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//
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NTSYSAPI
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VOID
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NTAPI
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RtlRaiseStatus (
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IN NTSTATUS Status
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);
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NTSYSAPI
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VOID
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NTAPI
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RtlRaiseException (
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IN PEXCEPTION_RECORD
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);
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NTSYSAPI
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VOID
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NTAPI
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RtlUnwind (
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IN PVOID TargetFrame OPTIONAL,
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IN PVOID TargetIp OPTIONAL,
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IN PEXCEPTION_RECORD ExceptionRecord OPTIONAL,
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IN PVOID ReturnValue
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);
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#if defined(_AMD64_)
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NTSYSAPI
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VOID
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NTAPI
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RtlUnwindEx (
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IN PVOID TargetFrame OPTIONAL,
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IN PVOID TargetIp OPTIONAL,
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IN PEXCEPTION_RECORD ExceptionRecord OPTIONAL,
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IN PVOID ReturnValue,
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IN PCONTEXT ContextRecord,
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IN PUNWIND_HISTORY_TABLE HistoryTable OPTIONAL
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);
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#elif defined(_IA64_)
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NTSYSAPI
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VOID
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NTAPI
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RtlUnwind2 (
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IN FRAME_POINTERS TargetFrame OPTIONAL,
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IN PVOID TargetIp OPTIONAL,
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IN PEXCEPTION_RECORD ExceptionRecord OPTIONAL,
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IN PVOID ReturnValue,
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IN PCONTEXT ContextRecord
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);
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#endif
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//
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// Continue execution.
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//
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NTSYSCALLAPI
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NTSTATUS
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NTAPI
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NtContinue (
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IN PCONTEXT ContextRecord,
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IN BOOLEAN TestAlert
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);
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//
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// Raise exception.
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//
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NTSYSCALLAPI
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NTSTATUS
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NTAPI
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NtRaiseException (
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IN PEXCEPTION_RECORD ExceptionRecord,
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IN PCONTEXT ContextRecord,
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IN BOOLEAN FirstChance
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);
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#ifdef __cplusplus
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}
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#endif
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#endif //_NTXCAPI_
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