sys/compat/ibcs2/ibcs2_exec.h

   1 /*      $NetBSD: ibcs2_exec.h,v 1.15 2007/12/04 18:40:10 dsl Exp $      */
   2
   3 /*
   4  * Copyright (c) 1994, 1995, 1998 Scott Bartram
   5  * All rights reserved.
   6  *
   7  * adapted from sys/sys/exec_ecoff.h
   8  * based on Intel iBCS2
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _IBCS2_EXEC_H_
  34 #define _IBCS2_EXEC_H_
  35
  36 /*
  37  * COFF file header
  38  */
  39
  40 /* f_magic flags */
  41 /* defined in <machine/ibcs2_machdep.h> */
  42
  43 /* magic */
  44 #define COFF_OMAGIC     0407    /* text not write-protected; data seg
  45                                    is contiguous with text */
  46 #define COFF_NMAGIC     0410    /* text is write-protected; data starts
  47                                    at next seg following text */
  48 #define COFF_ZMAGIC     0413    /* text and data segs are aligned for
  49                                    direct paging */
  50 #define COFF_SMAGIC     0443    /* shared lib */
  51
  52 #define COFF_SEGMENT_ALIGNMENT(fp, ap)  4
  53
  54 #define IBCS2_HIGH_SYSCALL(n)           (((n) & 0x7f) == 0x28 && ((n) >> 8) > 0)
  55 #define IBCS2_CVT_HIGH_SYSCALL(n)       (((n) >> 8) + 200)
  56
  57 struct exec_package;
  58 int     exec_ibcs2_coff_makecmds(struct lwp *, struct exec_package *);
  59
  60 /*
  61  * x.out (XENIX)
  62  */
  63
  64 struct xexec {
  65         u_short x_magic;        /* magic number */
  66         u_short x_ext;          /* size of extended header */
  67         long    x_text;         /* ignored */
  68         long    x_data;         /* ignored */
  69         long    x_bss;          /* ignored */
  70         long    x_syms;         /* ignored */
  71         long    x_reloc;        /* ignored */
  72         long    x_entry;        /* executable entry point */
  73         char    x_cpu;          /* processor type */
  74         char    x_relsym;       /* ignored */
  75         u_short x_renv;         /* flags */
  76 };
  77
  78 /* x_magic flags */
  79 #define XOUT_MAGIC      0x0206
  80
  81 /* x_cpu flags */
  82 #define XC_386          0x004a  /* 386, word-swapped */
  83
  84 /* x_renv flags */
  85 #define XE_V5           0xc000
  86 #define XE_SEG          0x0800
  87 #define XE_ABS          0x0400
  88 #define XE_ITER         0x0200
  89 #define XE_VMOD         0x0100
  90 #define XE_FPH          0x0080
  91 #define XE_LTEXT        0x0040
  92 #define XE_LDATA        0x0020
  93 #define XE_OVER         0x0010
  94 #define XE_FS           0x0008
  95 #define XE_PURE         0x0004
  96 #define XE_SEP          0x0002
  97 #define XE_EXEC         0x0001
  98
  99 /*
 100  * x.out extended header
 101  */
 102
 103 struct xext {
 104         long    xe_trsize;      /* ignored */
 105         long    xe_drsize;      /* ignored */
 106         long    xe_tbase;       /* ignored */
 107         long    xe_dbase;       /* ignored */
 108         long    xe_stksize;     /* stack size if XE_FS set in x_renv */
 109         long    xe_segpos;      /* offset of segment table */
 110         long    xe_segsize;     /* segment table size */
 111         long    xe_mdtpos;      /* ignored */
 112         long    xe_mdtsize;     /* ignored */
 113         char    xe_mdttype;     /* ignored */
 114         char    xe_pagesize;    /* ignored */
 115         char    xe_ostype;      /* ignored */
 116         char    xe_osvers;      /* ignored */
 117         u_short xe_eseg;        /* ignored */
 118         u_short xe_sres;        /* ignored */
 119 };
 120
 121 /*
 122  * x.out segment table
 123  */
 124
 125 struct xseg {
 126         u_short xs_type;        /* segment type */
 127         u_short xs_attr;        /* attribute flags */
 128         u_short xs_seg;         /* segment selector number */
 129         char    xs_align;       /* ignored */
 130         char    xs_cres;        /* ignored */
 131         long    xs_filpos;      /* offset of this segment */
 132         long    xs_psize;       /* physical segment size */
 133         long    xs_vsize;       /* virtual segment size */
 134         long    xs_rbase;       /* relocation base address */
 135         u_short xs_noff;        /* ignored */
 136         u_short xs_sres;        /* ignored */
 137         long    xs_lres;        /* ignored */
 138 };
 139
 140 /* xs_type flags */
 141 #define XS_TNULL        0       /* unused */
 142 #define XS_TTEXT        1       /* text (read-only) */
 143 #define XS_TDATA        2       /* data (read-write) */
 144 #define XS_TSYMS        3       /* symbol table (noload) */
 145 #define XS_TREL         4       /* relocation segment (noload) */
 146 #define XS_TSESTR       5       /* string table (noload) */
 147 #define XS_TGRPS        6       /* group segment (noload) */
 148
 149 #define XS_TIDATA       64
 150 #define XS_TTSS         65
 151 #define XS_TLFIX        66
 152 #define XS_TDNAME       67
 153 #define XS_TDTEXT       68
 154 #define XS_TDFIX        69
 155 #define XS_TOVTAB       70
 156 #define XS_T71          71
 157 #define XS_TSYSTR       72
 158
 159 /* xs_attr flags */
 160 #define XS_AMEM         0x8000  /* memory image */
 161 #define XS_AITER        0x0001  /* iteration records */
 162 #define XS_AHUGE        0x0002  /* unused */
 163 #define XS_ABSS         0x0004  /* uninitialized data */
 164 #define XS_APURE        0x0008  /* read-only (sharable) segment */
 165 #define XS_AEDOWN       0x0010  /* expand down memory segment */
 166 #define XS_APRIV        0x0020  /* unused */
 167 #define XS_A32BIT       0x0040  /* 32-bit text/data */
 168
 169 /*
 170  * x.out iteration record
 171  */
 172
 173 struct xiter {
 174         long    xi_size;        /* text/data size */
 175         long    xi_rep;         /* number of replications */
 176         long    xi_offset;      /* offset within segment to replicated data */
 177 };
 178
 179 extern struct emul emul_ibcs2;
 180
 181 #define XOUT_HDR_SIZE           (sizeof(struct xexec) + sizeof(struct xext))
 182
 183 int     exec_ibcs2_xout_makecmds(struct lwp *, struct exec_package *);
 184 int     ibcs2_exec_setup_stack(struct lwp *, struct exec_package *);
 185
 186 #ifdef EXEC_ELF32
 187 int     ibcs2_elf32_probe(struct lwp *, struct exec_package *,
 188                                void *, char *, vaddr_t *);
 189 #endif
 190
 191 /* following two are used for indication of executable type */
 192 #define IBCS2_EXEC_XENIX        ((void *)0x01)  /* XENIX x.out executable */
 193 #define IBCS2_EXEC_OTHER        ((void *)0x02)  /* something else */
 194
 195 #endif /* !_IBCS2_EXEC_H_ */