LCOM1920-T02G10

/*        $NetBSD: exec_ecoff.h,v 1.20 2009/12/10 14:13:54 matt Exp $        */

/*

 * Copyright (c) 1994 Adam Glass

 * 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 Adam Glass.

 * 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        _SYS_EXEC_ECOFF_H_

#define        _SYS_EXEC_ECOFF_H_

#include <machine/ecoff_machdep.h>

struct ecoff_filehdr {

        u_short f_magic;        /* magic number */

        u_short f_nscns;        /* # of sections */

        u_int   f_timdat;        /* time and date stamp */

        u_long  f_symptr;        /* file offset of symbol table */

        u_int   f_nsyms;        /* # of symbol table entries */

        u_short f_opthdr;        /* sizeof the optional header */

        u_short f_flags;        /* flags??? */

};

struct ecoff_aouthdr {

        u_short magic;

        u_short vstamp;

        ECOFF_PAD

        u_long  tsize;

        u_long  dsize;

        u_long  bsize;

        u_long  entry;

        u_long  text_start;

        u_long  data_start;

        u_long  bss_start;

        ECOFF_MACHDEP;

};

struct ecoff_scnhdr {                /* needed for size info */

        char        s_name[8];        /* name */

        u_long  s_paddr;        /* physical addr? for ROMing?*/

        u_long  s_vaddr;        /* virtual addr? */

        u_long  s_size;                /* size */

        u_long  s_scnptr;        /* file offset of raw data */

        u_long  s_relptr;        /* file offset of reloc data */

        u_long  s_lnnoptr;        /* file offset of line data */

        u_short s_nreloc;        /* # of relocation entries */

        u_short s_nlnno;        /* # of line entries */

        u_int   s_flags;        /* flags */

};

struct ecoff_exechdr {

        struct ecoff_filehdr f;

        struct ecoff_aouthdr a;

};

#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))

#define ECOFF_OMAGIC 0407

#define ECOFF_NMAGIC 0410

#define ECOFF_ZMAGIC 0413

#define ECOFF_ROUND(value, by) \

        (((value) + (by) - 1) & ~((by) - 1))

#define ECOFF_BLOCK_ALIGN(ep, value) \

        ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \

         (value))

#define ECOFF_TXTOFF(ep) \

        ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \

         ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \

                     sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))

#define ECOFF_DATOFF(ep) \

        (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))

#define ECOFF_SEGMENT_ALIGN(ep, value) \

        (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \

         ECOFF_SEGMENT_ALIGNMENT(ep))))

#ifdef _KERNEL

int        exec_ecoff_makecmds(struct lwp *, struct exec_package *);

int        cpu_exec_ecoff_probe(struct lwp *, struct exec_package *);

void        cpu_exec_ecoff_setregs(struct lwp *, struct exec_package *, vaddr_t);

int        exec_ecoff_prep_omagic(struct lwp *, struct exec_package *,

            struct ecoff_exechdr *, struct vnode *);

int        exec_ecoff_prep_nmagic(struct lwp *, struct exec_package *,

            struct ecoff_exechdr *, struct vnode *);

int        exec_ecoff_prep_zmagic(struct lwp *, struct exec_package *,

            struct ecoff_exechdr *, struct vnode *);

#endif /* _KERNEL */

#endif /* !_SYS_EXEC_ECOFF_H_ */