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    Length: 3080 (0xc08)
    Types: TextFile
    Notes: UNIX file
    Names: »l.out.h«

└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
    └─⟦2d53db1df⟧ UNIX Filesystem
        └─⟦this⟧ »sys/h/l.out.h« 

TextFile

/* (-lgl
 * 	The information contained herein is a trade secret of Mark Williams
 * 	Company, and  is confidential information.  It is provided  under a
 * 	license agreement,  and may be  copied or disclosed  only under the
 * 	terms of  that agreement.  Any  reproduction or disclosure  of this
 * 	material without the express written authorization of Mark Williams
 * 	Company or persuant to the license agreement is unlawful.
 * 
 * 	COHERENT Version 0.7.3
 * 	Copyright (c) 1982, 1983, 1984.
 * 	An unpublished work by Mark Williams Company, Chicago.
 * 	All rights reserved.
 -lgl) */
/*
 * This is the format of the `l.out'
 * file (assembler output, linkage editor
 * input and output) as defined for
 * the Digital PDP-11.
 * It also has the namelist structure for
 * the nlist routine.
 * Edit history:
 *	04-Feb-83	vaddr_t l_entry -> int l_entry to maintain header
 *			compatibility.  rec.
 */
#ifndef	 L_OUT_H
#define	 L_OUT_H
#include <types.h>

#define	NCPLN	16		/* Chars in loader name */
#define NLSEG	9		/* No. of segments */
#define	NXSEG	6		/* No. of segments used by exec */
#define	L_MAGIC	0407		/* Magic number */

/*
 * This is the header.
 * It sits at the front of the file,
 * holding control information and
 * the sizes of the other segments
 * of the file.
 */
struct	ldheader {
	int	l_magic;	/* Magic number */
	int	l_flag;		/* Flags */
	int	l_machine;	/* Type of target machine */
	int	l_entry;	/* Entrypoint */
	size_t	l_ssize[NLSEG];	/* Segment sizes */
};

/* Flags */
#define LF_SHR	01		/* Bound shared */
#define LF_SEP	02		/* Bound separated */
#define LF_NRB	04		/* No reloc. bits */
#define	LF_KER	010		/* Loadable driver */

/* Formats */
#define	AFMT	"%06o"		/* Address */

/* Machines */
#ifndef	MTYPE_H
#include <mtype.h>
#endif

/* Segments */
#define	L_SHRI	0		/* Shared Instruction space */
#define	L_PRVI	1		/* Private Instruction space */
#define	L_BSSI	2		/* Uninitialised Instruction */
#define	L_SHRD	3		/* Shared Data space */
#define	L_PRVD	4		/* Private Data space */
#define	L_BSSD	5		/* Uninitalised Data */
#define L_DEBUG 6		/* Debug tables */
#define L_SYM	7		/* Symbols */
#define L_REL	8		/* Relocation */

#define L_ABS	9		/* Absolute (symbol table) */
#define L_REF	10		/* Reference (symbol table) */

/*
 * Symbol.
 * These live in the `L_SYM' section
 * of the file; the size of this section
 * determines the number of symbols.
 */
struct	ldsym {
	char	ls_id[NCPLN];	/* Symbol name */
	int	ls_type;	/* Global + Seg. */
	vaddr_t	ls_addr;	/* Value of symbol */
};

/*
 * The nlist structure for the nlist routine.
 */
struct nlist	{
	char	n_name[NCPLN];	/* Symbol name */
	int	n_type;		/* Type flag */
	unsigned n_value;	/* value */
};

#define	L_GLOBAL	020

/*
 * Relocation.
 * Relocation is a byte stream.
 * The first is an opcode.
 * The next two bytes are the address
 * of relocation.
 */

#define LR_SEG	017		/* Seg., L_SYM => Sym. based */
#define LR_PCR	020		/* PC Rel. flag */
#define LR_OP	0340		/* Opcode */

#define LR_BYTE	(0<<5)		/* Rel. a byte */
#define LR_WORD	(1<<5)		/* Rel. a word */

#endif