FreeBSD/Linux Kernel Cross Reference
sys/i386/ibcs2/coff.h

     /*-
      * Copyright (c) 1994 Sean Eric Fagan
      * Copyright (c) 1994 Søren Schmidt
      * 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
     *    in this position and unchanged.
     * 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. 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.
     *
     * $FreeBSD: src/sys/i386/ibcs2/coff.h,v 1.2.4.1 1999/09/05 08:11:23 peter Exp $
     */
    
    #ifndef _COFF_H
    #define _COFF_H
    
    struct filehdr {
            unsigned short  f_magic;        /* magic number */
            unsigned short  f_nscns;        /* # of sections */
            long            f_timdat;       /* time stamp */
            long            f_symptr;       /* symbol table offset */
            long            f_nsyms;        /* # of symbols */
            unsigned short  f_opthdr;       /* size of system header */
            unsigned short  f_flags;        /* flags, see below */
    };
    
    enum filehdr_flags {
            F_RELFLG = 0x01,                /* relocs have been stripped */
            F_EXEC = 0x02,                  /* executable file (or shlib) */
            F_LNNO = 0x04,                  /* line numbers have been stripped */
            F_LSYMS = 0x08,                 /* symbols have been stripped */
            F_SWABD = 0x40,                 /* swabbed byte names */
            F_AR16WR = 0x80,                /* 16-bit, byte reversed words */
            F_AR32WR = 0x100                /* 32-bit, byte reversed words */
    };
    
    struct aouthdr {
            short magic;                    /* magic number -- see below */
            short vstamp;                   /* artifacts from a by-gone day */
            long tsize;                     /* */
            long dsize;                     /* */
            long bsize;                     /* */
            long entry;                     /* Entry point -- offset into file */
            long tstart;                    /* artifacts from a by-gone day */
            long dstart;                    /* */
    };
    
    #define I386_COFF       0x14c
    
    #define COFF_OMAGIC     0407            /* impure format */
    #define COFF_NMAGIC     0410            /* read-only text */
    #define COFF_ZMAGIC     0413            /* pagable from disk */
    #define COFF_SHLIB      0443            /* a shared library */
    
    struct scnhdr {
            char            s_name[8];      /* name of section (e.g., ".text") */
            long            s_paddr;        /* physical addr, used for standalone */
            long            s_vaddr;        /* virtual address */
            long            s_size;         /* size of section */
            long            s_scnptr;       /* file offset of section */
            long            s_relptr;       /* points to relocs for section */
            long            s_lnnoptr;      /* points to line numbers for section */
            unsigned short  s_nreloc;       /* # of relocs */
            unsigned short  s_nlnno;        /* # of line no's */
            long            s_flags;        /* section flags -- see below */
    };
    
    enum scnhdr_flags {
            STYP_REG = 0x00,        /* regular (alloc'ed, reloc'ed, loaded) */
            STYP_DSECT = 0x01,      /* dummy   (reloc'd) */
            STYP_NOLOAD = 0x02,     /* no-load (reloc'd) */
            STYP_GROUP = 0x04,      /* grouped */
            STYP_PAD = 0x08,        /* padding (loaded) */
            STYP_COPY = 0x10,       /* ??? */
            STYP_TEXT = 0x20,       /* text */
            STYP_DATA = 0x40,       /* data */
            STYP_BSS = 0x80,        /* bss */
            STYP_INFO = 0x200,      /* comment (!loaded, !alloc'ed, !reloc'd) */
            STYP_OVER = 0x400,      /* overlay (!allocated, reloc'd, !loaded) */
            STYP_LIB = 0x800        /* lists shared library files */
    };
   
   struct slhdr {
           long    entry_length;
           long    path_index;
           char    *shlib_name;
   };
   #endif /* _COFF_H */

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