xref: /netbsd-src/sys/arch/hppa/include/som.h (revision 32381fa0ddffc642f11f43fe9ecc402f5ec8408d)
1 /*	$NetBSD: som.h,v 1.2 2009/11/03 05:07:26 snj 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 
52 struct 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 
88 struct 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 
108 struct 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