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230 lines
5.1 KiB
C
230 lines
5.1 KiB
C
/*
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File: ExceptionSupport.h
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Contains: This file is the include file for the ExceptionSupport
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source file. This file contains data structures, etc.,
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which are needed by the routines in the CTE kernel which
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provide exception support to running subtests.
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Written by: Mark Appleman
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Copyright: © 1990, 1992 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<SM2> 5/2/92 kc Roll in Horror. Comments follow:
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<H2> 3/6/92 AL Upgraded to CTE v2.1 (copied over from XXTest project).
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<1> 12/14/90 SS first checked in
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*/
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#ifndef _ExceptionSupport_
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#define _ExceptionSupport_
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//
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// ExceptionSupport.h
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//
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#include "GenericTypes.h"
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#define IntrLevelToVectorNum(intLevel) (24 + intLevel)
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//
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// ExceptionStackFrame
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//
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union ExceptionStackFrame
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{
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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} format0 ;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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} format1 ;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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ULONG instructionAddress ;
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} format2 ;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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ULONG effectiveAddress ;
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} format3 ;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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ULONG effectiveAddress ;
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UWORD specialStatusWord ;
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UWORD writeBack3Status ;
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UWORD writeBack2Status ;
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UWORD writeBack1Status ;
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ULONG faultAddress ;
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ULONG writeBack3Address ;
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ULONG writeBack3Data ;
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ULONG writeBack2Address ;
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ULONG writeBack2Data ;
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ULONG writeBack1Address ;
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union
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{
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ULONG writeBack1Data ;
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ULONG pushDataLW0 ;
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} WB1D_PD0 ;
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ULONG pushDataLW1 ;
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ULONG pushDataLW2 ;
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ULONG pushDataLW3 ;
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} format7 ;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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ULONG instructionAddress ;
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UWORD internalRegisters[4] ;
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} format9 ;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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UWORD internalRegister1 ;
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UWORD specialStatusRegister ;
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UWORD instructionPipeStageC ;
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UWORD instructionPipeStageB ;
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ULONG dataCycleFaultAddress ;
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UWORD internalRegister2 ;
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UWORD internalRegister3 ;
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ULONG dataOutputBuffer ;
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UWORD internalRegister4 ;
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UWORD internalRegister5 ;
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} formatA ;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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UWORD vectorOffset ;
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UWORD internalRegister1 ;
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UWORD specialStatusRegister ;
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UWORD instructionPipeStageC ;
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UWORD instructionPipeStageB ;
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ULONG dataCycleFaultAddress ;
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UWORD internalRegister2 ;
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UWORD internalRegister3 ;
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ULONG dataOutputBuffer ;
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UWORD internalRegisters4[4] ;
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ULONG stageBAddress ;
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UWORD internalRegisters5[2] ;
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ULONG dataInputBuffer ;
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UWORD internalRegisters6[3] ;
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UWORD version ;
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UWORD internalRegisters7[18] ;
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} formatB ;
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struct
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{
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UWORD lowerAddress ;
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ULONG accessAddress ;
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UWORD instructionRegister ;
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UWORD statusRegister ;
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ULONG programCounter ;
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} format68K1;
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struct
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{
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UWORD statusRegister ;
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ULONG programCounter ;
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} format68K0 ;
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} ;
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#ifndef __cplusplus
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typedef union ExceptionStackFrame ExceptionStackFrame ;
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#endif __cplusplus
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//
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// The exception stack format types are enumerated as...
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//
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enum ExceptionStackFrameFormat
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{
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frameFormat0,
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frameFormat1,
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frameFormat2,
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frameFormat3,
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frameFormat7 = 7,
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frameFormat9 = 9,
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frameFormatA,
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frameFormatB,
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frameFormat68K0 = 0x00010000,
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frameFormat68K1
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} ;
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#ifndef __cplusplus
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typedef enum ExceptionStackFrameFormat ExceptionStackFrameFormat ;
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#endif __cplusplus
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//
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// An installable C style exception handler.
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//
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typedef void ExceptionHandler(struct CTEGlobals *info, ULONG frameFormat,
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ExceptionStackFrame *theFrame, void *theArg) ;
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//
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// ExceptionInfo
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//
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struct ExceptionInfo
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{
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UWORD instruction ; // JSR instruction
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void *stubAddress ; // stub address
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struct CTEGlobals *globs ; // pointer to globals.
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ExceptionHandler *handler ; // pointer to exception handler.
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void *argPtr ; // pointer to SubtestInfo structure.
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void *oldVector ; // vector from Exception Vector Table which
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// was replaced when this handler was installed.
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struct ExceptionInfo *oldInfoPtr ; // pointer from the ExceptionInfoPtrTable which
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// was replaced when this handler was installed.
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unsigned short vectorNumber ; //
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} ;
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#ifndef __cplusplus
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typedef struct ExceptionInfo ExceptionInfo ;
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#endif __cplusplus
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//
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// Function prototypes.
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//
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#ifdef __cplusplus
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extern "C" {
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#endif __cplusplus
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extern void InstallExceptionHandler(struct CTEGlobals *globs,
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ExceptionInfo *exceptionInfo,
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ExceptionHandler *handler,
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void *argPtr, int vectorNumber) ;
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extern void RemoveExceptionHandler(struct CTEGlobals *globs, ExceptionInfo *exceptionInfo) ;
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extern void ExceptionHandlerStub(void) ;
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extern void FakeExceptionCall(int vectorNumber) ;
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extern int SetInterruptLevel(int newLevel) ;
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extern int GetInterruptLevel(void) ;
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extern void *InstallExceptionVector(void *newHandler, int vectorNumber) ;
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#ifdef __cplusplus
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} // close the extern "C" declaration
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#endif __cplusplus
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#endif _ExceptionSupport_ |