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/* $OpenBSD: som.h,v 1.3 1999/12/23 04:09:44 mickey Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MACHINE_SOM_H_
#define _MACHINE_SOM_H_
/* system_id */
#define SOM_BSD 800
#define SOM_PA10 0x20b
#define SOM_PA11 0x210
#define SOM_PA12 0x211
#define SOM_PA20 0x214
/* a_magic */
#define SOM_MAGIC 0x107
#define SOM_SHARED 0x108
#define SOM_DEMAND 0x10B
#define SOM_BADMAGIC(fh) \
((fh)->system_id != SOM_PA10 && \
(fh)->system_id != SOM_PA11 && \
(fh)->system_id != SOM_PA12 && \
(fh)->system_id != SOM_PA20)
struct som_filehdr {
u_short system_id;
u_short a_magic;
u_int version_id;
u_int time_secs; /* sys time (zero if unused) */
u_int time_nsecs;
u_int ep_space; /* ep space */
u_int ep_subspace;
u_int entry; /* how is it different from a_entry? */
u_int aux_loc; /* aux header location */
u_int aux_size;
u_int som_length; /* entire image length */
u_int dp; /* dp presumed at compilation time */
u_int space_loc; /* space dictionary location */
u_int space_total; /* N of entries in the space dict */
u_int subspace_loc; /* subspace dict location */
u_int subspace_total; /* N of entries in the subspace dict */
u_int ld_fixup_loc; /* space ref array (relocs?) */
u_int ld_fixup_total; /* N of space ref records */
u_int space_str_loc; /* {,sub}space string table location */
u_int space_str_size; /* size of the above */
u_int init_loc; /* init ptrs location */
u_int init_total; /* N of entries in the above */
u_int dict_loc; /* module dictionary location */
u_int dict_total; /* number of modules */
u_int sym_loc; /* symbol table location */
u_int sym_total; /* N of symbols */
u_int fixup_loc; /* fixpup reqs location */
u_int fixup_total; /* N of the fixup reqs */
u_int strings_loc; /* string table location */
u_int strings_size; /* size of the strings table */
u_int unloadable_loc; /* unloadable spaces location */
u_int unloadable_size; /* size of the unloadable spaces */
u_int checksum; /* header checksum? */
};
struct som_exec_aux {
u_int mandatory : 1;
u_int copy : 1;
u_int append : 1;
u_int ignore : 1;
u_int reserved : 12;
u_int type : 16;
u_int length;
long a_tsize;
long a_tmem;
long a_tfile;
long a_dsize;
long a_dmem;
long a_dfile;
long a_bsize;
long a_entry;
long a_flags;
long a_bfill;
};
struct som_sym {
u_int sym_type : 8;
u_int sym_scope : 4;
u_int sym_chklevel : 3;
u_int sym_qualify : 1;
u_int sym_ifrozen : 1;
u_int sym_resident : 1;
u_int sym_is_common : 1;
u_int sym_dup_common : 1;
u_int sym_xleast : 2;
u_int sym_arg_reloc : 10;
union {
char *n_name;
u_int n_strx;
} sym_name, sym_qualifier_name;
u_int sym_info;
u_int sym_value;
};
/* sym_type */
#define SOM_ST_NULL 0
#define SOM_ST_ABS 1
#define SOM_ST_DATA 2
#define SOM_ST_CODE 3
#define SOM_ST_PRI_PROG 4
#define SOM_ST_SEC_PROG 5
#define SOM_ST_ENTRY 6
#define SOM_ST_STORAGE 7
#define SOM_ST_STUB 8
#define SOM_ST_MODULE 9
#define SOM_ST_SYM_EXT 10
#define SOM_ST_ARG_EXT 11
#define SOM_ST_MILLICODE 12
#define SOM_ST_PLABEL 13
/* sym_scope */
#define SOM_SS_UNSAT 0
#define SOM_SS_EXTERNAL 1
#define SOM_SS_GLOBAL 2
#define SOM_SS_UNIVERSAL 3
#endif /* _MACHINE_SOM_H_ */
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