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Annotation of sys/sys/exec_ecoff.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: exec_ecoff.h,v 1.7 2002/03/14 01:27:14 millert Exp $  */
                      2: /*     $NetBSD: exec_ecoff.h,v 1.9 1996/05/09 23:42:08 cgd Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 1994 Adam Glass
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *      This product includes software developed by Adam Glass.
                     19:  * 4. The name of the author may not be used to endorse or promote products
                     20:  *    derived from this software without specific prior written permission
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32:  */
                     33:
                     34: #ifndef        _SYS_EXEC_ECOFF_H_
                     35: #define        _SYS_EXEC_ECOFF_H_
                     36:
                     37: #include <machine/ecoff_machdep.h>
                     38:
                     39: struct ecoff_filehdr {
                     40:        u_short f_magic;        /* magic number */
                     41:        u_short f_nscns;        /* # of sections */
                     42:        u_int   f_timdat;       /* time and date stamp */
                     43:        u_long  f_symptr;       /* file offset of symbol table */
                     44:        u_int   f_nsyms;        /* # of symbol table entries */
                     45:        u_short f_opthdr;       /* sizeof the optional header */
                     46:        u_short f_flags;        /* flags??? */
                     47: };
                     48:
                     49: struct ecoff_aouthdr {
                     50:        u_short magic;
                     51:        u_short vstamp;
                     52:        ECOFF_PAD
                     53:        u_long  tsize;
                     54:        u_long  dsize;
                     55:        u_long  bsize;
                     56:        u_long  entry;
                     57:        u_long  text_start;
                     58:        u_long  data_start;
                     59:        u_long  bss_start;
                     60:        ECOFF_MACHDEP;
                     61: };
                     62:
                     63: struct ecoff_scnhdr {          /* needed for size info */
                     64:        char    s_name[8];      /* name */
                     65:        u_long  s_paddr;        /* physical addr? for ROMing?*/
                     66:        u_long  s_vaddr;        /* virtual addr? */
                     67:        u_long  s_size;         /* size */
                     68:        u_long  s_scnptr;       /* file offset of raw data */
                     69:        u_long  s_relptr;       /* file offset of reloc data */
                     70:        u_long  s_lnnoptr;      /* file offset of line data */
                     71:        u_short s_nreloc;       /* # of relocation entries */
                     72:        u_short s_nlnno;        /* # of line entries */
                     73:        u_int   s_flags;        /* flags */
                     74: };
                     75:
                     76: struct ecoff_exechdr {
                     77:        struct ecoff_filehdr f;
                     78:        struct ecoff_aouthdr a;
                     79: };
                     80:
                     81: #define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
                     82:
                     83: #define ECOFF_OMAGIC 0407
                     84: #define ECOFF_NMAGIC 0410
                     85: #define ECOFF_ZMAGIC 0413
                     86:
                     87: #define ECOFF_ROUND(value, by) \
                     88:        (((value) + (by) - 1) & ~((by) - 1))
                     89:
                     90: #define ECOFF_BLOCK_ALIGN(ep, value) \
                     91:        ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
                     92:            (value))
                     93:
                     94: #define ECOFF_TXTOFF(ep) \
                     95:        ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
                     96:            ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
                     97:            sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
                     98:
                     99: #define ECOFF_DATOFF(ep) \
                    100:        (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
                    101:
                    102: #define ECOFF_SEGMENT_ALIGN(ep, value) \
                    103:        (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
                    104:        ECOFF_SEGMENT_ALIGNMENT(ep))))
                    105:
                    106: #ifdef _KERNEL
                    107: int    exec_ecoff_makecmds(struct proc *, struct exec_package *);
                    108: int    cpu_exec_ecoff_hook(struct proc *, struct exec_package *);
                    109: int    exec_ecoff_prep_omagic(struct proc *, struct exec_package *);
                    110: int    exec_ecoff_prep_nmagic(struct proc *, struct exec_package *);
                    111: int    exec_ecoff_prep_zmagic(struct proc *, struct exec_package *);
                    112: #endif /* _KERNEL */
                    113: #endif /* !_SYS_EXEC_ECOFF_H_ */