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      1 /* $NetBSD: ecoff_machdep.h,v 1.6 2025/11/28 14:46:31 nia Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994 Adam Glass
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     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 Adam Glass ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL Adam Glass BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #define ECOFF_LDPGSZ 4096
     32 
     33 #define ECOFF_PAD \
     34 	u_short	bldrev;					/* XXX */
     35 
     36 #define ECOFF_MACHDEP \
     37         u_int	gprmask; \
     38         u_int	fprmask; \
     39         u_long	gp_value
     40 
     41 #define ECOFF_MAGIC_ALPHA		0603
     42 #define ECOFF_MAGIC_NETBSD_ALPHA	0605
     43 #define ECOFF_BADMAG(ep)						\
     44 	((ep)->f.f_magic != ECOFF_MAGIC_ALPHA &&			\
     45 	    (ep)->f.f_magic != ECOFF_MAGIC_NETBSD_ALPHA)
     46 
     47 #define ECOFF_FLAG_EXEC			0002
     48 #define ECOFF_SEGMENT_ALIGNMENT(ep) \
     49     (((ep)->f.f_flags & ECOFF_FLAG_EXEC) == 0 ? 8 : 16)
     50 
     51 #define	ECOFF_FLAG_OBJECT_TYPE_MASK	0x3000
     52 #define		ECOFF_OBJECT_TYPE_NO_SHARED	0x1000
     53 #define		ECOFF_OBJECT_TYPE_SHARABLE	0x2000
     54 #define		ECOFF_OBJECT_TYPE_CALL_SHARED	0x3000
     55 
     56 struct ecoff_symhdr {
     57 	int16_t		magic;
     58 	int16_t		vstamp;
     59 	int32_t		lineMax;
     60 	int32_t		densenumMax;
     61 	int32_t		procMax;
     62 	int32_t		lsymMax;
     63 	int32_t		optsymMax;
     64 	int32_t		auxsymMax;
     65 	int32_t		lstrMax;
     66 	int32_t		estrMax;
     67 	int32_t		fdMax;
     68 	int32_t		rfdMax;
     69 	int32_t		esymMax;
     70 	long		linesize;
     71 	long		cbLineOffset;
     72 	long		cbDnOffset;
     73 	long		cbPdOffset;
     74 	long		cbSymOffset;
     75 	long		cbOptOffset;
     76 	long		cbAuxOffset;
     77 	long		cbSsOffset;
     78 	long		cbSsExtOffset;
     79 	long		cbFdOffset;
     80 	long		cbRfdOffset;
     81 	long		cbExtOffset;
     82 };
     83 
     84 struct ecoff_extsym {
     85 	long		es_value;
     86 	int		es_strindex;
     87 	unsigned	es_type:6;
     88 	unsigned	es_class:5;
     89 	unsigned	:1;
     90 	unsigned	es_symauxindex:20;
     91 	unsigned	es_jmptbl:1;
     92 	unsigned	es_cmain:1;
     93 	unsigned	es_weakext:1;
     94 	unsigned	:29;
     95 	int		es_indexfld;
     96 };
     97