/*      $NetBSD: som.h,v 1.2 2009/11/03 05:07:26 snj Exp $      */

/*      $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.
*
* 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 OR HIS RELATIVES 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 MIND, 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 _HPPA_SOM_H_
#define _HPPA_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 /* _HPPA_SOM_H_ */