pdp11v/usr/include/reloc.h

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/*	@(#)reloc.h	2.1	*/
struct reloc {
	long	r_vaddr;	/* (virtual) address of reference */
	long	r_symndx;	/* index into symbol table */
	unsigned short	r_type;		/* relocation type */
	};


/*
 *   relocation types for all products and generics
 */

/*
 * All generics
 *	reloc. already performed to symbol in the same section
 */
#define  R_ABS		0

/*
 * X86 generic
 *	8-bit offset reference in 8-bits
 *	8-bit offset reference in 16-bits 
 *	12-bit segment reference
 *	auxiliary relocation entry
 */
#define	R_OFF8		07
#define R_OFF16		010
#define	R_SEG12		011
#define	R_AUX		013

/*
 * B16 and X86 generics
 *	16-bit direct reference
 *	16-bit "relative" reference
 *	16-bit "indirect" (TV) reference
 */
#define  R_DIR16	01
#define  R_REL16	02
#define  R_IND16	03

/*
 * 3B generic
 *	24-bit direct reference
 *	24-bit "relative" reference
 *	16-bit optimized "indirect" TV reference
 *	24-bit "indirect" TV reference
 *	32-bit "indirect" TV reference
 */
#define  R_DIR24	04
#define  R_REL24	05
#define  R_OPT16	014
#define  R_IND24	015
#define  R_IND32	016

/*
 * 3B and M32 generics
 *	32-bit direct reference
 */
#define  R_DIR32	06

/*
 * M32 generic
 *	32-bit direct reference with bytes swapped
 */
#define  R_DIR32S	012

/*
 * DEC Processors  VAX 11/780 and VAX 11/750
 *
 */

#define R_RELBYTE	017
#define R_RELWORD	020
#define R_RELLONG	021
#define R_PCRBYTE	022
#define R_PCRWORD	023
#define R_PCRLONG	024


#define	RELOC	struct reloc
#define	RELSZ	10	/* sizeof(RELOC) */

	/* Definition of a "TV" relocation type */

#if N3B
#define ISTVRELOC(x)	((x==R_OPT16)||(x==R_IND24)||(x==R_IND32))
#endif
#if B16 || X86
#define ISTVRELOC(x)	(x==R_IND16)
#endif
#if M32
#define ISTVRELOC(x)	(x!=x)	/* never the case */
#endif