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135 lines
2.6 KiB
C
135 lines
2.6 KiB
C
/*----------------------------------------------------------------------*/
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/* RTLib.h */
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/* Created by Sandy McEntee, Wednesday, April 2, 1990. */
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/* Copyright © 1990 Apple Computer, Inc. */
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/* All Rights Reserved. */
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/*----------------------------------------------------------------------*/
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#ifndef __RTLib__
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#define __RTLib__
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#ifndef __TYPES__
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#include <Types.h>
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#endif
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#ifdef __safe_link
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extern "C" {
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#endif
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//
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// Error Codes
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//
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enum { eRTNoErr=0, eRTBadVersion=2, eRTInvalidOp=4, eRTInvalidJTPtr=6 };
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//
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// Action Codes
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//
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enum { kRTSysErr=0, kRTRetry=1, kRTContinue=2 };
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//
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// Runtime Operations
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//
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enum { kRTGetVersion=10, kRTGetVersionA5=11,
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kRTGetJTAddress=12, kRTGetJTAddressA5=13,
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kRTSetPreLoad=14, kRTSetPreLoadA5=15,
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kRTSetSegLoadErr=16, kRTSetSegLoadErrA5=17,
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kRTSetPostLoad=18, kRTSetPostLoadA5=19,
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kRTSetPreUnload=20, kRTSetPreUnloadA5=21,
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kRTPreLaunch=22, kRTPostLaunch=23
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};
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//
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// Version and Jump Table Entry Address Parameters
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//
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struct RTGetVersionParam {
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unsigned short fVersion;
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};
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typedef struct RTGetVersionParam RTGetVersionParam;
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struct RTGetJTAddrParam {
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void* fJTAddr;
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void* fCodeAddr;
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};
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typedef struct RTGetJTAddrParam RTGetJTAddrParam;
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//
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// RTState Definition
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//
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struct RTState {
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unsigned short fVersion; // run-time version
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void* fSP; // SP: &-of user return address
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void* fJTAddr; // PC: &-of called jump table entry
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long fRegisters[15]; // registers D0-D7 and A0-A6 when
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// _LoadSeg was called
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short fSegNo; // segment number
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ResType fSegType; // segment type (normally 'CODE')
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long fSegSize; // segment size
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Boolean fSegInCore; // true if segment is in memory
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Boolean fReserved1; // (reserved for future use)
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OSErr fOSErr; // error number
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long fReserved2; // (reserved for future use)
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};
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typedef struct RTState RTState;
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//
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// Version Definitions
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//
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#define kVersion32bit 0xFFFF
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#define kVersion16bit 0x0000
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//
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// User Handler Definition
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//
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typedef pascal short (*SegLoadHdlrPtr) (RTState* state);
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//
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// Segment Loader Hook Parameters
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//
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struct RTSetSegLoadParam {
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SegLoadHdlrPtr fUserHdlr;
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SegLoadHdlrPtr fOldUserHdlr;
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};
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typedef struct RTSetSegLoadParam RTSetSegLoadParam;
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//
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// Runtime Parameter Block
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//
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struct RTPB {
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short fOperation;
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void* fA5;
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union {
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RTGetVersionParam fVersionParam;
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RTGetJTAddrParam fJTAddrParam;
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RTSetSegLoadParam fSegLoadParam;
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} fRTParam;
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};
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typedef struct RTPB RTPB;
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pascal OSErr Runtime (RTPB* runtime_parms);
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#ifdef __safe_link
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}
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#endif
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#endif /* __RTLib__ */
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