1/*-
2 * Copyright (c) 1994 Sean Eric Fagan
3 * Copyright (c) 1994 Søren Schmidt
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer
11 *    in this position and unchanged.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef _COFF_H
33#define _COFF_H
34
35struct filehdr {
36  	unsigned short	f_magic;	/* magic number */
37  	unsigned short	f_nscns;	/* # of sections */
38  	long		f_timdat;	/* time stamp */
39  	long		f_symptr;	/* symbol table offset */
40  	long		f_nsyms;	/* # of symbols */
41  	unsigned short	f_opthdr;	/* size of system header */
42  	unsigned short	f_flags;	/* flags, see below */
43};
44
45enum filehdr_flags {
46  	F_RELFLG = 0x01,		/* relocs have been stripped */
47  	F_EXEC = 0x02,			/* executable file (or shlib) */
48  	F_LNNO = 0x04,			/* line numbers have been stripped */
49  	F_LSYMS = 0x08,			/* symbols have been stripped */
50  	F_SWABD = 0x40,			/* swabbed byte names */
51  	F_AR16WR = 0x80,		/* 16-bit, byte reversed words */
52  	F_AR32WR = 0x100		/* 32-bit, byte reversed words */
53};
54
55struct aouthdr {
56  	short magic;			/* magic number -- see below */
57  	short vstamp;			/* artifacts from a by-gone day */
58  	long tsize;			/* */
59  	long dsize;			/* */
60  	long bsize;			/* */
61  	long entry;			/* Entry point -- offset into file */
62  	long tstart;			/* artifacts from a by-gone day */
63  	long dstart;			/* */
64};
65
66#define I386_COFF	0x14c
67
68#define COFF_OMAGIC	0407		/* impure format */
69#define COFF_NMAGIC	0410		/* read-only text */
70#define COFF_ZMAGIC	0413		/* pagable from disk */
71#define COFF_SHLIB	0443		/* a shared library */
72
73struct scnhdr {
74  	char		s_name[8];	/* name of section (e.g., ".text") */
75  	long		s_paddr;	/* physical addr, used for standalone */
76  	long		s_vaddr;	/* virtual address */
77  	long		s_size;		/* size of section */
78  	long		s_scnptr;	/* file offset of section */
79  	long		s_relptr;	/* points to relocs for section */
80  	long		s_lnnoptr;	/* points to line numbers for section */
81  	unsigned short	s_nreloc;	/* # of relocs */
82  	unsigned short	s_nlnno;	/* # of line no's */
83  	long		s_flags;	/* section flags -- see below */
84};
85
86enum scnhdr_flags {
87  	STYP_REG = 0x00,	/* regular (alloc'ed, reloc'ed, loaded) */
88  	STYP_DSECT = 0x01,	/* dummy   (reloc'd) */
89  	STYP_NOLOAD = 0x02,	/* no-load (reloc'd) */
90  	STYP_GROUP = 0x04,	/* grouped */
91  	STYP_PAD = 0x08,	/* padding (loaded) */
92  	STYP_COPY = 0x10,	/* ??? */
93  	STYP_TEXT = 0x20,	/* text */
94  	STYP_DATA = 0x40,	/* data */
95  	STYP_BSS = 0x80,	/* bss */
96  	STYP_INFO = 0x200,	/* comment (!loaded, !alloc'ed, !reloc'd) */
97  	STYP_OVER = 0x400,	/* overlay (!allocated, reloc'd, !loaded) */
98  	STYP_LIB = 0x800	/* lists shared library files */
99};
100
101struct slhdr {
102	long	entry_length;
103	long	path_index;
104	char	*shlib_name;
105};
106#endif /* _COFF_H */
107