xref: /csrg-svn/usr.bin/pascal/src/objfmt.h (revision 2948)
1736Speter /* Copyright (c) 1979 Regents of the University of California */
2736Speter 
3*2948Smckusic /* static char sccsid[] = "@(#)objfmt.h 1.5 03/06/81"; */
4736Speter 
5736Speter #ifdef OBJ
6736Speter 	/*
7736Speter 	 *	the creation time, the size and the magic number of the obj file
8736Speter 	 */
9736Speter     struct pxhdr {
10*2948Smckusic 	    long	maketime;
11*2948Smckusic 	    long	objsize;
12736Speter 	    short	magicnum;
13736Speter     };
14736Speter 
15736Speter #   define	HEADER_BYTES	1024		/* the size of px_header */
161210Speter #   define PX_HEADER "/usr/lib/px_header"	/* px_header's name */
17*2948Smckusic #   define PI_COMP "/usr/ucb/pi"		/* the compiler's name */
181210Speter #   define PX_INTRP "/usr/ucb/px"		/* the interpreter's name */
192088Smckusic #   define INDX 1				/* amt to shift display index */
20736Speter #endif OBJ
21736Speter 
22736Speter     /*
23736Speter      *	the file of error messages created by mkstr
24736Speter      */
25736Speter #ifdef OBJ
26736Speter #   define	ERR_STRNGS	"/usr/lib/pi2.0strings"
27736Speter #   define	ERR_PATHLEN	9
28*2948Smckusic #   define	HOW_STRNGS	"/usr/lib/how_pi\0"
29*2948Smckusic #   define	HOW_PATHLEN	9
30736Speter #endif OBJ
31736Speter #ifdef PC
32736Speter #   define	ERR_STRNGS	"/usr/lib/pc2.0strings"
33736Speter #   define	ERR_PATHLEN	9
34*2948Smckusic #   define	HOW_STRNGS	"/usr/lib/how_pc\0"
35*2948Smckusic #   define	HOW_PATHLEN	9
36736Speter #endif PC
37736Speter 
38736Speter 	    /*
39736Speter 	     *	these are because of varying sizes of pointers
40736Speter 	     */
41736Speter #ifdef VAX
42736Speter #	define PTR_AS O_AS4
43736Speter #	define PTR_RV O_RV4
44736Speter #	define PTR_IND O_IND4
45*2948Smckusic #	define PTR_CON O_CON4
46*2948Smckusic #	define PTR_DUP O_SDUP4
47736Speter #	define PTR_DCL unsigned long		/* for pointer variables */
48736Speter #	define SHORTADDR 32768			/* maximum short address */
49736Speter #	define TOOMUCH 65536			/* maximum variable size */
50736Speter #	define MAXSET 65536			/* maximum set size */
51736Speter 	    /*
52736Speter 	     * Offsets due to the structure of the runtime stack.
53736Speter 	     * DPOFF1	is the amount of fixed storage in each block allocated
54736Speter 	     * 		as local variables for the runtime system.
55736Speter 	     *		since locals are allocated negative offsets,
56736Speter 	     *		-DPOFF1 is the last used implicit local offset.
57736Speter 	     * DPOFF2	is the size of the block mark.
58736Speter 	     *		since arguments are allocated positive offsets,
59736Speter 	     *		DPOFF2 is the end of the implicit arguments.
60736Speter 	     *		for obj, the first argument has the highest offset
61736Speter 	     *		from the stackpointer.  and the block mark is an
62736Speter 	     *		implicit last parameter.
63736Speter 	     *		for pc, the first argument has the lowest offset
64736Speter 	     *		from the argumentpointer.  and the block mark is an
65736Speter 	     *		implicit first parameter.
66736Speter 	     */
67736Speter #	ifdef OBJ
68736Speter #	    define DPOFF1		0
69736Speter #	    define DPOFF2		32
70736Speter #	    define INPUT_OFF		-8	/* offset of `input' */
71736Speter #	    define OUTPUT_OFF		-4	/* offset of `output' */
72736Speter #	endif OBJ
73736Speter #	ifdef	PC
74736Speter #	    define DPOFF1	( sizeof rtlocs - sizeof rtlocs.unwind )
75736Speter #	    define DPOFF2	( sizeof (long) )
76736Speter #	    define INPUT_OFF	0
77736Speter #	    define OUTPUT_OFF	0
78736Speter #	endif PC
79736Speter #	define MAGICNUM 0403			/* obj magic number */
80736Speter #endif VAX
81736Speter 
82736Speter #ifdef PDP11
83736Speter #	define PTR_AS O_AS2
84736Speter #	define PTR_RV O_RV2
85736Speter #	define PTR_IND O_IND2
86*2948Smckusic #	define PTR_CON O_CON2
87*2948Smckusic #	define PTR_DUP O_SDUP2
88736Speter #	define PTR_DCL char *
89736Speter #	define TOOMUCH 50000
90736Speter #	define SHORTADDR 65536
91*2948Smckusic #	define MAXSET 65536		/* maximum set size */
92*2948Smckusic #	define DPOFF1 0
93*2948Smckusic #	define DPOFF2 18		/* sizeof(struct stack) */
94736Speter #	define INPUT_OFF -2
95736Speter #	define OUTPUT_OFF -4
96736Speter #	define MAGICNUM 0404
97736Speter #endif PDP11
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