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FluorescentCIAAfricanAmerican
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/*
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File: MachineExceptions.h
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Contains: Processor Exception Handling Interfaces.
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 1993-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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#ifndef __MACHINEEXCEPTIONS__
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#define __MACHINEEXCEPTIONS__
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#ifndef __MACTYPES__
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#include <MacTypes.h>
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#endif
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#ifndef __MIXEDMODE__
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#include <MixedMode.h>
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#endif
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#if PRAGMA_ONCE
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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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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=power
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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/* Some basic declarations used throughout the kernel */
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typedef struct OpaqueAreaID* AreaID;
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#if TARGET_OS_MAC
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/* Machine Dependent types for PowerPC: */
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struct MachineInformationPowerPC {
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UnsignedWide CTR;
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UnsignedWide LR;
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UnsignedWide PC;
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unsigned long CR;
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unsigned long XER;
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unsigned long MSR;
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unsigned long MQ;
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unsigned long ExceptKind;
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unsigned long DSISR;
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UnsignedWide DAR;
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UnsignedWide Reserved;
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};
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typedef struct MachineInformationPowerPC MachineInformationPowerPC;
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struct RegisterInformationPowerPC {
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UnsignedWide R0;
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UnsignedWide R1;
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UnsignedWide R2;
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UnsignedWide R3;
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UnsignedWide R4;
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UnsignedWide R5;
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UnsignedWide R6;
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UnsignedWide R7;
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UnsignedWide R8;
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UnsignedWide R9;
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UnsignedWide R10;
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UnsignedWide R11;
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UnsignedWide R12;
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UnsignedWide R13;
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UnsignedWide R14;
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UnsignedWide R15;
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UnsignedWide R16;
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UnsignedWide R17;
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UnsignedWide R18;
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UnsignedWide R19;
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UnsignedWide R20;
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UnsignedWide R21;
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UnsignedWide R22;
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UnsignedWide R23;
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UnsignedWide R24;
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UnsignedWide R25;
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UnsignedWide R26;
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UnsignedWide R27;
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UnsignedWide R28;
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UnsignedWide R29;
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UnsignedWide R30;
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UnsignedWide R31;
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};
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typedef struct RegisterInformationPowerPC RegisterInformationPowerPC;
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struct FPUInformationPowerPC {
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UnsignedWide Registers[32];
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unsigned long FPSCR;
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unsigned long Reserved;
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};
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typedef struct FPUInformationPowerPC FPUInformationPowerPC;
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union Vector128 {
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#ifdef __VEC__
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vector unsigned int v;
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#endif
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unsigned long l[4];
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unsigned short s[8];
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unsigned char c[16];
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};
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typedef union Vector128 Vector128;
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struct VectorInformationPowerPC {
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Vector128 Registers[32];
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Vector128 VSCR;
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UInt32 VRsave;
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};
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typedef struct VectorInformationPowerPC VectorInformationPowerPC;
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/* Exception related declarations */
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enum {
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kWriteReference = 0,
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kReadReference = 1,
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kFetchReference = 2,
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writeReference = kWriteReference, /* Obsolete name*/
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readReference = kReadReference, /* Obsolete name*/
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fetchReference = kFetchReference /* Obsolete name*/
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};
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typedef unsigned long MemoryReferenceKind;
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struct MemoryExceptionInformation {
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AreaID theArea; /* The area related to the execption, same as MPAreaID.*/
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LogicalAddress theAddress; /* The 32-bit address of the exception.*/
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OSStatus theError; /* See enum below.*/
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MemoryReferenceKind theReference; /* read, write, instruction fetch.*/
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};
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typedef struct MemoryExceptionInformation MemoryExceptionInformation;
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enum {
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kUnknownException = 0,
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kIllegalInstructionException = 1,
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kTrapException = 2,
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kAccessException = 3,
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kUnmappedMemoryException = 4,
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kExcludedMemoryException = 5,
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kReadOnlyMemoryException = 6,
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kUnresolvablePageFaultException = 7,
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kPrivilegeViolationException = 8,
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kTraceException = 9,
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kInstructionBreakpointException = 10, /* Optional*/
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kDataBreakpointException = 11, /* Optional*/
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kIntegerException = 12,
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kFloatingPointException = 13,
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kStackOverflowException = 14, /* Optional, may be implemented as kAccessException on some systems.*/
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kTaskTerminationException = 15, /* Obsolete*/
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kTaskCreationException = 16, /* Obsolete*/
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kDataAlignmentException = 17 /* May occur when a task is in little endian mode or created with kMPTaskTakesAllExceptions.*/
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};
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#if OLDROUTINENAMES
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enum {
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unknownException = kUnknownException, /* Obsolete name*/
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illegalInstructionException = kIllegalInstructionException, /* Obsolete name*/
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trapException = kTrapException, /* Obsolete name*/
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accessException = kAccessException, /* Obsolete name*/
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unmappedMemoryException = kUnmappedMemoryException, /* Obsolete name*/
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excludedMemoryException = kExcludedMemoryException, /* Obsolete name*/
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readOnlyMemoryException = kReadOnlyMemoryException, /* Obsolete name*/
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unresolvablePageFaultException = kUnresolvablePageFaultException, /* Obsolete name*/
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privilegeViolationException = kPrivilegeViolationException, /* Obsolete name*/
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traceException = kTraceException, /* Obsolete name*/
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instructionBreakpointException = kInstructionBreakpointException, /* Obsolete name*/
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dataBreakpointException = kDataBreakpointException, /* Obsolete name*/
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integerException = kIntegerException, /* Obsolete name*/
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floatingPointException = kFloatingPointException, /* Obsolete name*/
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stackOverflowException = kStackOverflowException, /* Obsolete name*/
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terminationException = kTaskTerminationException, /* Obsolete name*/
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kTerminationException = kTaskTerminationException /* Obsolete name*/
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};
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#endif /* OLDROUTINENAMES */
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typedef unsigned long ExceptionKind;
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union ExceptionInfo {
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MemoryExceptionInformation * memoryInfo;
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};
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typedef union ExceptionInfo ExceptionInfo;
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struct ExceptionInformationPowerPC {
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ExceptionKind theKind;
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MachineInformationPowerPC * machineState;
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RegisterInformationPowerPC * registerImage;
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FPUInformationPowerPC * FPUImage;
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ExceptionInfo info;
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VectorInformationPowerPC * vectorImage;
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};
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typedef struct ExceptionInformationPowerPC ExceptionInformationPowerPC;
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#if TARGET_CPU_PPC || TARGET_CPU_68K
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typedef ExceptionInformationPowerPC ExceptionInformation;
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typedef MachineInformationPowerPC MachineInformation;
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typedef RegisterInformationPowerPC RegisterInformation;
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typedef FPUInformationPowerPC FPUInformation;
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typedef VectorInformationPowerPC VectorInformation;
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#endif /* TARGET_CPU_PPC || TARGET_CPU_68K */
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/*
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Note: An ExceptionHandler is NOT a UniversalProcPtr, except in Carbon.
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It must be a PowerPC function pointer with NO routine descriptor,
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except on Carbon, where it must be a UniversalProcPtr (TPP actually)
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to allow the interface to work from both CFM and Mach-O.
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*/
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typedef CALLBACK_API_C( OSStatus , ExceptionHandlerProcPtr )(ExceptionInformation * theException);
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typedef TVECTOR_UPP_TYPE(ExceptionHandlerProcPtr) ExceptionHandlerUPP;
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/*
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* NewExceptionHandlerUPP()
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*
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* Availability:
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* Non-Carbon CFM: available as macro/inline
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( ExceptionHandlerUPP )
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NewExceptionHandlerUPP(ExceptionHandlerProcPtr userRoutine);
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#if !OPAQUE_UPP_TYPES
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enum { uppExceptionHandlerProcInfo = 0x000000F1 }; /* 4_bytes Func(4_bytes) */
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#ifdef __cplusplus
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inline DEFINE_API_C(ExceptionHandlerUPP) NewExceptionHandlerUPP(ExceptionHandlerProcPtr userRoutine) { return userRoutine; }
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#else
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#define NewExceptionHandlerUPP(userRoutine) (userRoutine)
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#endif
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#endif
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/*
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* DisposeExceptionHandlerUPP()
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*
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* Availability:
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* Non-Carbon CFM: available as macro/inline
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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DisposeExceptionHandlerUPP(ExceptionHandlerUPP userUPP);
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#if !OPAQUE_UPP_TYPES
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#ifdef __cplusplus
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inline DEFINE_API_C(void) DisposeExceptionHandlerUPP(ExceptionHandlerUPP) {}
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#else
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#define DisposeExceptionHandlerUPP(userUPP)
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#endif
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#endif
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/*
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* InvokeExceptionHandlerUPP()
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*
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* Availability:
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* Non-Carbon CFM: available as macro/inline
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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InvokeExceptionHandlerUPP(
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ExceptionInformation * theException,
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ExceptionHandlerUPP userUPP);
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#if !OPAQUE_UPP_TYPES
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#ifdef __cplusplus
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inline DEFINE_API_C(OSStatus) InvokeExceptionHandlerUPP(ExceptionInformation * theException, ExceptionHandlerUPP userUPP) { return (*userUPP)(theException); }
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#else
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#define InvokeExceptionHandlerUPP(theException, userUPP) (*userUPP)(theException)
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#endif
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#endif
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/*
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ExceptionHandler function pointers (TPP):
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on classic PowerPC, use raw function pointers
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on classic PowerPC with OPAQUE_UPP_TYPES=1, use UPP's
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on Carbon, use UPP's
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*/
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#if TARGET_OS_MAC && !OPAQUE_UPP_TYPES
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/* use raw function pointers*/
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typedef ExceptionHandlerProcPtr ExceptionHandlerTPP;
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#else
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/* use UPP's*/
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typedef ExceptionHandlerUPP ExceptionHandlerTPP;
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#endif /* TARGET_OS_MAC && !OPAQUE_UPP_TYPES */
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typedef ExceptionHandlerTPP ExceptionHandler;
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/* Routine for installing per-process exception handlers */
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/*
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* InstallExceptionHandler()
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*
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* Availability:
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* Non-Carbon CFM: in InterfaceLib 7.1 and later
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API( ExceptionHandlerTPP ) InstallExceptionHandler(ExceptionHandlerTPP theHandler);
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#endif /* TARGET_OS_MAC */
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=reset
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(pop)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack()
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#endif
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#ifdef PRAGMA_IMPORT_OFF
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#pragma import off
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#elif PRAGMA_IMPORT
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#pragma import reset
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __MACHINEEXCEPTIONS__ */
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