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135 lines
2.8 KiB
C
135 lines
2.8 KiB
C
/************************************************************
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Created: Friday, August 2, 1991 at 3:45 PM
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RTLib.h
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C Interface to the Macintosh Libraries
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Copyright Apple Computer, Inc. 1990-1991
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All rights reserved
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This file is used in these builds: ROM System
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Change History (most recent first):
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<2> 8/8/91 JL Updated copyright. Standardizing the file to meet ANSI and DSG
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standards.
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To Do:
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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 __cplusplus
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extern "C" {
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#endif
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/* Error Codes */
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enum { eRTNoErr=0, eRTBadVersion=2, eRTInvalidOp=4, eRTInvalidJTPtr=6 };
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/* Action Codes */
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enum { kRTSysErr=0, kRTRetry=1, kRTContinue=2 };
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/* Runtime Operations */
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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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/* Version and Jump Table Entry Address Parameters */
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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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/* RTState Definition */
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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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/* Version Definitions */
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#define kVersion32bit 0xFFFF
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#define kVersion16bit 0x0000
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/* User Handler Definition */
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typedef pascal short (*SegLoadHdlrPtr) (RTState* state);
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/* Segment Loader Hook Parameters */
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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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/* Runtime Parameter Block */
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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 __cplusplus
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}
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#endif
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#endif /* __RTLib__ */
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