mac-rom/Interfaces/CIncludes/RTLib.h

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/************************************************************
Created: Friday, August 2, 1991 at 3:45 PM
RTLib.h
C Interface to the Macintosh Libraries
Copyright Apple Computer, Inc. 1990-1991
All rights reserved
This file is used in these builds: ROM System
Change History (most recent first):
<2> 8/8/91 JL Updated copyright. Standardizing the file to meet ANSI and DSG
standards.
To Do:
************************************************************/
#ifndef __RTLib__
#define __RTLib__
#ifndef __TYPES__
#include <Types.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Error Codes */
enum { eRTNoErr=0, eRTBadVersion=2, eRTInvalidOp=4, eRTInvalidJTPtr=6 };
/* Action Codes */
enum { kRTSysErr=0, kRTRetry=1, kRTContinue=2 };
/* Runtime Operations */
enum { kRTGetVersion=10, kRTGetVersionA5=11,
kRTGetJTAddress=12, kRTGetJTAddressA5=13,
kRTSetPreLoad=14, kRTSetPreLoadA5=15,
kRTSetSegLoadErr=16, kRTSetSegLoadErrA5=17,
kRTSetPostLoad=18, kRTSetPostLoadA5=19,
kRTSetPreUnload=20, kRTSetPreUnloadA5=21,
kRTPreLaunch=22, kRTPostLaunch=23
};
/* Version and Jump Table Entry Address Parameters */
struct RTGetVersionParam {
unsigned short fVersion;
};
typedef struct RTGetVersionParam RTGetVersionParam;
struct RTGetJTAddrParam {
void* fJTAddr;
void* fCodeAddr;
};
typedef struct RTGetJTAddrParam RTGetJTAddrParam;
/* RTState Definition */
struct RTState {
unsigned short fVersion; /* run-time version */
void* fSP; /* SP: &-of user return address */
void* fJTAddr; /* PC: &-of called jump table entry */
long fRegisters[15]; /* registers D0-D7 and A0-A6 when */
/* _LoadSeg was called */
short fSegNo; /* segment number */
ResType fSegType; /* segment type (normally 'CODE') */
long fSegSize; /* segment size */
Boolean fSegInCore; /* true if segment is in memory */
Boolean fReserved1; /* (reserved for future use) */
OSErr fOSErr; /* error number */
long fReserved2; /* (reserved for future use) */
};
typedef struct RTState RTState;
/* Version Definitions */
#define kVersion32bit 0xFFFF
#define kVersion16bit 0x0000
/* User Handler Definition */
typedef pascal short (*SegLoadHdlrPtr) (RTState* state);
/* Segment Loader Hook Parameters */
struct RTSetSegLoadParam {
SegLoadHdlrPtr fUserHdlr;
SegLoadHdlrPtr fOldUserHdlr;
};
typedef struct RTSetSegLoadParam RTSetSegLoadParam;
/* Runtime Parameter Block */
struct RTPB {
short fOperation;
void* fA5;
union {
RTGetVersionParam fVersionParam;
RTGetJTAddrParam fJTAddrParam;
RTSetSegLoadParam fSegLoadParam;
} fRTParam;
};
typedef struct RTPB RTPB;
pascal OSErr Runtime (RTPB* runtime_parms);
#ifdef __cplusplus
}
#endif
#endif /* __RTLib__ */