122 lines
2.8 KiB
OpenEdge ABL
122 lines
2.8 KiB
OpenEdge ABL
IFND EXEC_LIBRARIES_I
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EXEC_LIBRARIES_I SET 1
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**
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** $Filename: exec/libraries.i $
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** $Release: 1.3 $
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**
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**
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**
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** (C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
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** All Rights Reserved
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**
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IFND EXEC_NODES_I
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INCLUDE "exec/nodes.i"
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ENDC ; EXEC_NODES_I
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*------ Special Constants ---------------------------------------
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LIB_VECTSIZE EQU 6
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LIB_RESERVED EQU 4
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LIB_BASE EQU $FFFFFFFA * (-LIB_VECTSIZE)
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LIB_USERDEF EQU LIB_BASE-(LIB_RESERVED*LIB_VECTSIZE)
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LIB_NONSTD EQU LIB_USERDEF
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*----------------------------------------------------------------
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*
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* Library Definition Macros
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*
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*----------------------------------------------------------------
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*------ LIBINIT sets base offset for library function definitions:
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LIBINIT MACRO * [baseOffset]
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IFC '\1',''
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COUNT_LIB SET LIB_USERDEF
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ENDC
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IFNC '\1',''
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COUNT_LIB SET \1
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ENDC
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ENDM
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*------ LIBDEF is used to define each library function entry:
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LIBDEF MACRO * libraryFunctionSymbol
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\1 EQU COUNT_LIB
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COUNT_LIB SET COUNT_LIB-LIB_VECTSIZE
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ENDM
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*----------------------------------------------------------------
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*
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* Standard Library Functions
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*
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*----------------------------------------------------------------
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LIBINIT LIB_BASE
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LIBDEF LIB_OPEN
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LIBDEF LIB_CLOSE
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LIBDEF LIB_EXPUNGE
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LIBDEF LIB_EXTFUNC * reserved *
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*----------------------------------------------------------------
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*
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* Standard Library Data Structure
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*
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*----------------------------------------------------------------
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STRUCTURE LIB,LN_SIZE
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UBYTE LIB_FLAGS
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UBYTE LIB_pad
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UWORD LIB_NEGSIZE * number of bytes before LIB
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UWORD LIB_POSSIZE * number of bytes after LIB
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UWORD LIB_VERSION * major
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UWORD LIB_REVISION * minor
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APTR LIB_IDSTRING * identification
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ULONG LIB_SUM * the checksum itself
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UWORD LIB_OPENCNT * number of current opens
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LABEL LIB_SIZE
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*------ LIB_FLAGS bit definitions:
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BITDEF LIB,SUMMING,0 * we are currently checksumming
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BITDEF LIB,CHANGED,1 * we have just changed the lib
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BITDEF LIB,SUMUSED,2 * set if we should bother to sum
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BITDEF LIB,DELEXP,3 * delayed expunge
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*----------------------------------------------------------------
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*
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* Function Invocation Macros
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*
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*----------------------------------------------------------------
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*------ CALLLIB for calling functions where A6 is already correct:
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CALLLIB MACRO * functionOffset
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IFGT NARG-1
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FAIL !!! CALLLIB MACRO - too many arguments !!!
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ENDC
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JSR \1(A6)
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ENDM
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*------ LINKLIB for calling functions where A6 is incorrect:
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LINKLIB MACRO * functionOffset,libraryBase
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IFGT NARG-2
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FAIL !!! LINKLIB MACRO - too many arguments !!!
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ENDC
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MOVE.L A6,-(SP)
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MOVE.L \2,A6
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CALLLIB \1
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MOVE.L (SP)+,A6
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ENDM
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ENDC ; EXEC_LIBRARIES_I
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