1/*	$NetBSD: som.h,v 1.1 2002/06/05 01:04:23 fredette Exp $	*/
2
3/*	$OpenBSD: som.h,v 1.3 1999/12/23 04:09:44 mickey Exp $	*/
4
5/*
6 * Copyright (c) 1998 Michael Shalayeff
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
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 OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef	_HPPA_SOM_H_
32#define	_HPPA_SOM_H_
33
34/* system_id */
35#define	SOM_BSD		800
36#define	SOM_PA10	0x20b
37#define	SOM_PA11	0x210
38#define	SOM_PA12	0x211
39#define	SOM_PA20	0x214
40
41/* a_magic */
42#define	SOM_MAGIC	0x107
43#define	SOM_SHARED	0x108
44#define	SOM_DEMAND	0x10B
45
46#define	SOM_BADMAGIC(fh) \
47	((fh)->system_id != SOM_PA10 && \
48	 (fh)->system_id != SOM_PA11 && \
49	 (fh)->system_id != SOM_PA12 && \
50	 (fh)->system_id != SOM_PA20)
51
52struct som_filehdr {
53	u_short system_id;
54	u_short a_magic;
55	u_int   version_id;
56	u_int	time_secs;		/* sys time (zero if unused) */
57	u_int	time_nsecs;
58	u_int	ep_space;		/* ep space */
59	u_int	ep_subspace;
60	u_int	entry;			/* how is it different from a_entry? */
61	u_int	aux_loc;		/* aux header location */
62	u_int	aux_size;
63	u_int	som_length;		/* entire image length */
64	u_int	dp;			/* dp presumed at compilation time */
65	u_int	space_loc;		/* space dictionary location */
66	u_int	space_total;		/* N of entries in the space dict */
67	u_int	subspace_loc;		/* subspace dict location */
68	u_int	subspace_total;		/* N of entries in the subspace dict */
69	u_int	ld_fixup_loc;		/* space ref array (relocs?) */
70	u_int	ld_fixup_total;		/* N of space ref records */
71	u_int	space_str_loc;		/* {,sub}space string table location */
72	u_int	space_str_size;		/* size of the above */
73	u_int	init_loc;		/* init ptrs location */
74	u_int	init_total;		/* N of entries in the above */
75	u_int	dict_loc;		/* module dictionary location */
76	u_int	dict_total;		/* number of modules */
77	u_int	sym_loc;		/* symbol table location */
78	u_int	sym_total;		/* N of symbols */
79	u_int	fixup_loc;		/* fixpup reqs location */
80	u_int	fixup_total;		/* N of the fixup reqs */
81	u_int	strings_loc;		/* string table location */
82	u_int	strings_size;		/* size of the strings table */
83	u_int	unloadable_loc;		/* unloadable spaces location */
84	u_int	unloadable_size;	/* size of the unloadable spaces */
85	u_int	checksum;		/* header checksum? */
86};
87
88struct som_exec_aux {
89	u_int	mandatory : 1;
90	u_int	copy : 1;
91	u_int	append : 1;
92	u_int	ignore : 1;
93	u_int	reserved : 12;
94	u_int	type : 16;
95	u_int	length;
96	long	a_tsize;
97	long	a_tmem;
98	long	a_tfile;
99	long	a_dsize;
100	long	a_dmem;
101	long	a_dfile;
102	long	a_bsize;
103	long	a_entry;
104	long	a_flags;
105	long	a_bfill;
106};
107
108struct som_sym {
109	u_int	sym_type : 8;
110	u_int	sym_scope : 4;
111	u_int	sym_chklevel : 3;
112	u_int	sym_qualify : 1;
113	u_int	sym_ifrozen : 1;
114	u_int	sym_resident : 1;
115	u_int	sym_is_common : 1;
116	u_int	sym_dup_common : 1;
117	u_int	sym_xleast : 2;
118	u_int	sym_arg_reloc : 10;
119	union {
120		char *n_name;
121		u_int n_strx;
122	} sym_name, sym_qualifier_name;
123	u_int	sym_info;
124	u_int	sym_value;
125
126};
127
128/* sym_type */
129#define	SOM_ST_NULL		0
130#define	SOM_ST_ABS		1
131#define	SOM_ST_DATA		2
132#define	SOM_ST_CODE		3
133#define	SOM_ST_PRI_PROG		4
134#define	SOM_ST_SEC_PROG		5
135#define	SOM_ST_ENTRY		6
136#define	SOM_ST_STORAGE		7
137#define	SOM_ST_STUB		8
138#define	SOM_ST_MODULE		9
139#define	SOM_ST_SYM_EXT		10
140#define	SOM_ST_ARG_EXT		11
141#define	SOM_ST_MILLICODE	12
142#define	SOM_ST_PLABEL		13
143
144/* sym_scope */
145#define	SOM_SS_UNSAT		0
146#define	SOM_SS_EXTERNAL		1
147#define	SOM_SS_GLOBAL		2
148#define	SOM_SS_UNIVERSAL	3
149
150#endif /* _HPPA_SOM_H_ */
151