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ecoff_machdep.h revision 1.24
      1  1.24    simonb /*	$NetBSD: ecoff_machdep.h,v 1.24 2020/07/26 08:08:41 simonb Exp $	*/
      2   1.3       cgd 
      3   1.1     glass /*
      4   1.7  jonathan  * Copyright (c) 1997 Jonathan Stone
      5   1.7  jonathan  * All rights reserved.
      6   1.7  jonathan  *
      7   1.1     glass  * Copyright (c) 1994 Adam Glass
      8   1.1     glass  * All rights reserved.
      9   1.1     glass  *
     10   1.1     glass  * Redistribution and use in source and binary forms, with or without
     11   1.1     glass  * modification, are permitted provided that the following conditions
     12   1.1     glass  * are met:
     13   1.1     glass  * 1. Redistributions of source code must retain the above copyright
     14   1.1     glass  *    notice, this list of conditions and the following disclaimer.
     15   1.1     glass  * 2. Redistributions in binary form must reproduce the above copyright
     16   1.1     glass  *    notice, this list of conditions and the following disclaimer in the
     17   1.1     glass  *    documentation and/or other materials provided with the distribution.
     18   1.1     glass  * 3. All advertising materials mentioning features or use of this software
     19   1.1     glass  *    must display the following acknowledgement:
     20   1.1     glass  *	This product includes software developed by Adam Glass.
     21   1.1     glass  * 4. The name of the Author may not be used to endorse or promote products
     22   1.1     glass  *    derived from this software without specific prior written permission.
     23   1.1     glass  *
     24   1.1     glass  * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND
     25   1.1     glass  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26   1.1     glass  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27   1.1     glass  * ARE DISCLAIMED.  IN NO EVENT SHALL Adam Glass BE LIABLE
     28   1.1     glass  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29   1.1     glass  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30   1.1     glass  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31   1.1     glass  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32   1.1     glass  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33   1.1     glass  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34   1.1     glass  * SUCH DAMAGE.
     35   1.1     glass  */
     36   1.1     glass 
     37  1.24    simonb #define	ECOFF_LDPGSZ 4096
     38   1.2     glass 
     39  1.24    simonb #define	ECOFF_PAD
     40  1.24    simonb #define	ECOFF32_PAD
     41  1.23  christos 
     42  1.24    simonb #define	ECOFF32_MACHDEP \
     43  1.23  christos         ecoff32_ulong gprmask; \
     44  1.23  christos         ecoff32_ulong cprmask[4]; \
     45  1.23  christos         ecoff32_ulong gp_value
     46   1.1     glass 
     47  1.24    simonb #define	ECOFF_MACHDEP \
     48   1.5       cgd         u_long gprmask; \
     49   1.5       cgd         u_long cprmask[4]; \
     50   1.5       cgd         u_long gp_value
     51  1.12  jonathan #ifdef _KERNEL
     52  1.22      matt #include <mips/locore.h>		/* mips CPU architecture levels */
     53  1.24    simonb #define	_MIPS3_OK() CPUISMIPS3
     54  1.12  jonathan #else
     55  1.24    simonb #define	_MIPS3_OK() /*CONSTCOND*/1
     56  1.12  jonathan #endif
     57   1.1     glass 
     58  1.16    simonb 
     59  1.24    simonb #define	ECOFF_MAGIC_MIPSEB	0x0160	/* mips1, big-endian */
     60  1.24    simonb #define	ECOFF_MAGIC_MIPSEL	0x0162	/* mips1, little-endian */
     61  1.24    simonb #define	ECOFF_MAGIC_MIPSEL3	0x0142	/* mips3, little-endian */
     62  1.11  jonathan 
     63  1.15    tsubai #if BYTE_ORDER == LITTLE_ENDIAN
     64  1.24    simonb #define	ECOFF_BADMAG(ep) \
     65  1.11  jonathan     (!								\
     66  1.11  jonathan 	((ep)->f.f_magic == ECOFF_MAGIC_MIPSEL ||		\
     67  1.12  jonathan 	 (_MIPS3_OK() && (ep)->f.f_magic == ECOFF_MAGIC_MIPSEL3)) \
     68  1.11  jonathan     )
     69  1.15    tsubai #endif
     70  1.15    tsubai #if BYTE_ORDER == BIG_ENDIAN
     71  1.24    simonb #define	ECOFF_BADMAG(ep) ((ep)->f.f_magic != ECOFF_MAGIC_MIPSEB)
     72  1.15    tsubai #endif
     73  1.11  jonathan 
     74   1.1     glass 
     75  1.24    simonb #define	ECOFF_SEGMENT_ALIGNMENT(ep) ((ep)->a.vstamp < 23 ? 8 : 16)
     76  1.24    simonb #define	ECOFF32_SEGMENT_ALIGNMENT(ep) ((ep)->a.vstamp < 23 ? 8 : 16)
     77   1.6  jonathan 
     78  1.14  jonathan #ifdef _KERNEL
     79  1.14  jonathan struct proc;
     80  1.14  jonathan struct exec_package;
     81  1.20      matt void	cpu_exec_ecoff_setregs(struct lwp *, struct exec_package *, vaddr_t);
     82  1.14  jonathan #endif	/* _KERNEL */
     83   1.7  jonathan 
     84   1.7  jonathan 
     85  1.23  christos struct ecoff32_symhdr {
     86  1.23  christos 	int16_t		magic;
     87  1.23  christos 	int16_t		vstamp;
     88  1.23  christos 	int32_t		ilineMax;
     89  1.23  christos 	int32_t		cbLine;
     90  1.23  christos 	int32_t		cbLineOffset;
     91  1.23  christos 	int32_t		idnMax;
     92  1.23  christos 	int32_t		cbDnOffset;
     93  1.23  christos 	int32_t		ipdMax;
     94  1.23  christos 	int32_t		cbPdOffset;
     95  1.23  christos 	int32_t		isymMax;
     96  1.23  christos 	int32_t		cbSymOffset;
     97  1.23  christos 	int32_t		ioptMax;
     98  1.23  christos 	int32_t		cbOptOffset;
     99  1.23  christos 	int32_t		iauxMax;
    100  1.23  christos 	int32_t		cbAuxOffset;
    101  1.23  christos 	int32_t		issMax;
    102  1.23  christos 	int32_t		cbSsOffset;
    103  1.23  christos 	int32_t		issExtMax;
    104  1.23  christos 	int32_t		cbSsExtOffset;
    105  1.23  christos 	int32_t		ifdMax;
    106  1.23  christos 	int32_t		cbFdOffset;
    107  1.23  christos 	int32_t		crfd;
    108  1.23  christos 	int32_t		cbRfdOffset;
    109  1.23  christos 	int32_t		iextMax;
    110  1.23  christos 	int32_t		cbExtOffset;
    111  1.23  christos };
    112  1.23  christos 
    113   1.7  jonathan /*
    114   1.7  jonathan  * ECOFF symbol definitions for 32-bit mips.
    115   1.7  jonathan  * XXX 64-bit (mips3?) may be different.
    116   1.7  jonathan  */
    117   1.7  jonathan struct ecoff_symhdr {
    118   1.7  jonathan 	int16_t		magic;
    119   1.7  jonathan 	int16_t		vstamp;
    120   1.8  jonathan 	int32_t		ilineMax;
    121   1.8  jonathan 	int32_t		cbLine;
    122   1.8  jonathan 	int32_t		cbLineOffset;
    123   1.8  jonathan 	int32_t		idnMax;
    124   1.8  jonathan 	int32_t		cbDnOffset;
    125   1.8  jonathan 	int32_t		ipdMax;
    126   1.8  jonathan 	int32_t		cbPdOffset;
    127   1.8  jonathan 	int32_t		isymMax;
    128   1.8  jonathan 	int32_t		cbSymOffset;
    129   1.8  jonathan 	int32_t		ioptMax;
    130   1.8  jonathan 	int32_t		cbOptOffset;
    131   1.8  jonathan 	int32_t		iauxMax;
    132   1.8  jonathan 	int32_t		cbAuxOffset;
    133   1.8  jonathan 	int32_t		issMax;
    134   1.8  jonathan 	int32_t		cbSsOffset;
    135   1.8  jonathan 	int32_t		issExtMax;
    136   1.8  jonathan 	int32_t		cbSsExtOffset;
    137   1.8  jonathan 	int32_t		ifdMax;
    138   1.8  jonathan 	int32_t		cbFdOffset;
    139   1.8  jonathan 	int32_t		crfd;
    140   1.8  jonathan 	int32_t		cbRfdOffset;
    141   1.8  jonathan 	int32_t		iextMax;
    142   1.8  jonathan 	int32_t		cbExtOffset;
    143   1.7  jonathan };
    144   1.8  jonathan 
    145   1.8  jonathan /* Macro for field name used by cgd's Alpha-derived code */
    146  1.24    simonb #define	esymMax iextMax
    147   1.8  jonathan 
    148   1.7  jonathan 
    149   1.7  jonathan struct ecoff_extsym {
    150   1.9  jonathan 	u_int16_t	es_flags;
    151   1.9  jonathan 	u_int16_t	es_ifd;
    152   1.7  jonathan 	int32_t		es_strindex;
    153   1.7  jonathan 	int32_t		es_value;
    154   1.7  jonathan 	unsigned	es_type:6;
    155   1.7  jonathan 	unsigned	es_class:5;
    156   1.7  jonathan 	unsigned	:1;
    157   1.7  jonathan 	unsigned	es_symauxindex:20;
    158   1.7  jonathan };
    159  1.23  christos 
    160  1.23  christos struct ecoff32_extsym {
    161  1.23  christos 	uint16_t	es_flags;
    162  1.23  christos 	uint16_t	es_ifd;
    163  1.23  christos 	int32_t		es_strindex;
    164  1.23  christos 	int32_t		es_value;
    165  1.23  christos 	unsigned	es_type:6;
    166  1.23  christos 	unsigned	es_class:5;
    167  1.23  christos 	unsigned	:1;
    168  1.23  christos 	unsigned	es_symauxindex:20;
    169  1.23  christos };
    170