mipscoff.h

mips架构的bootloader,99左右的版本 但源代码现在没人更新了

#ifndef _MIPSCOFF_
#define _MIPSCOFF_
 
/* The information in this file was copied from a number of 
 * different files. The copyright banners are shown below.
 */

/* --------------------------------------------------------- */
/* | Copyright (c) 1986-1992 MIPS Technologies, Inc.       | */
/* | All Rights Reserved.                                  | */
/* --------------------------------------------------------- */

/*	Copyright (c) 1984 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

/* (C) Copyright 1984 by Third Eye Software, Inc.
 *
 * Third Eye Software, Inc. grants reproduction and use rights to
 * all parties, PROVIDED that this comment is maintained in the copy.
 *
 * Third Eye makes no claims about the applicability of this
 * symbol table to a particular use.
 */

typedef	struct aouthdr {
	short	magic;		/* see above				*/
	short	vstamp;		/* version stamp			*/
	long	tsize;		/* text size in bytes, padded to DW bdry*/
	long	dsize;		/* initialized data "  "		*/
	long	bsize;		/* uninitialized data "   "		*/
	long	entry;		/* entry pt.				*/
	long	text_start;	/* base of text used for this file	*/
	long	data_start;	/* base of data used for this file	*/
	long	bss_start;	/* base of bss used for this file	*/
	long	gprmask;	/* general purpose register mask	*/
	long	cprmask[4];	/* co-processor register masks		*/
	long	gp_value;	/* the gp value used for this object    */
	} AOUTHDR;

struct filehdr {
	unsigned short	f_magic;	/* magic number */
	unsigned short	f_nscns;	/* number of sections */
	long		f_timdat;	/* time & date stamp */
	long		f_symptr;	/* file pointer to symbolic header */
	long		f_nsyms;	/* sizeof(symbolic hdr) */
	unsigned short	f_opthdr;	/* sizeof(optional hdr) */
	unsigned short	f_flags;	/* flags */
	};

struct scnhdr {
	char		s_name[8];	/* section name */
	long		s_paddr;	/* physical address, aliased s_nlib */
	long		s_vaddr;	/* virtual address */
	long		s_size;		/* section size */
	long		s_scnptr;	/* file ptr to raw data for section */
	long		s_relptr;	/* file ptr to relocation */
	long		s_lnnoptr;	/* file ptr to gp histogram */
	unsigned short	s_nreloc;	/* number of relocation entries */
	unsigned short	s_nlnno;	/* number of gp histogram entries */
	long		s_flags;	/* flags */
	};
typedef struct scnhdr SCNHDR;

typedef struct {
	long	iss;		/* index into String Space of name */
	long	value;		/* value of symbol */
	unsigned long st : 6;	/* symbol type */
	unsigned long sc  : 5;	/* storage class - text, data, etc */
	unsigned long reserved : 1;	/* reserved */
	unsigned long index : 20;	/* index into sym/aux table */
	} SYMR;

typedef struct {
	unsigned long jmptbl:1;	/* symbol is a jump table entry for shlibs */
	unsigned long cobol_main:1;	/* symbol is a cobol main procedure */
	unsigned long reserved:14;	/* reserved for future use */
	short	ifd;		/* where the iss and index fields point into */
	SYMR	asym;		/* symbol for the external */
	} EXTR;

typedef struct {
	short	magic;		/* to verify validity of the table */
	short	vstamp;		/* version stamp */
	long	ilineMax;	/* number of line number entries */
	long	cbLine;		/* number of bytes for line number entries */
	long	cbLineOffset;	/* offset to start of line number entries*/
	long	idnMax;		/* max index into dense number table */
	long	cbDnOffset;	/* offset to start dense number table */
	long	ipdMax;		/* number of procedures */
	long	cbPdOffset;	/* offset to procedure descriptor table */
	long	isymMax;	/* number of local symbols */
	long	cbSymOffset;	/* offset to start of local symbols*/
	long	ioptMax;	/* max index into optimization symbol entries */
	long	cbOptOffset;	/* offset to optimization symbol entries */
	long	iauxMax;	/* number of auxillary symbol entries */
	long	cbAuxOffset;	/* offset to start of auxillary symbol entries*/
	long	issMax;		/* max index into local strings */
	long	cbSsOffset;	/* offset to start of local strings */
	long	issExtMax;	/* max index into external strings */
	long	cbSsExtOffset;	/* offset to start of external strings */
	long	ifdMax;		/* number of file descriptor entries */
	long	cbFdOffset;	/* offset to file descriptor table */
	long	crfd;		/* number of relative file descriptor entries */
	long	cbRfdOffset;	/* offset to relative file descriptor table */
	long	iextMax;	/* max index into external symbols */
	long	cbExtOffset;	/* offset to start of external symbol entries*/
	} HDRR; 

#endif /* _MIPSCOFF_ */