sys/arch/x68k/stand/aout2hux/hux.h

   1 /*
   2  *      Human68k .x file structure definitions
   3  *
   4  *      written by Yasha (ITOH Yasufumi)
   5  *      public domain
   6  *
   7  *      $NetBSD: hux.h,v 1.1.6.1 1999/03/14 16:51:00 minoura Exp $
   8  */
   9 /*
  10  * Human68k ".x" executable format
  11  *
  12  *      ----------------------------
  13  *      |  file header (64 bytes)  |
  14  *      |--------------------------|
  15  *      |  text                    |
  16  *      |--------------------------|
  17  *      |  data                    |
  18  *      |--------------------------|
  19  *      |  relocation table        |
  20  *      |--------------------------|
  21  *      |  symbol table            |
  22  *      |--------------------------|
  23  *      |  debugging information   |
  24  *      ----------------------------
  25  *
  26  * text and data sections are loaded contiguous
  27  */
  28
  29 /* file header */
  30
  31 #define HUXMAGIC        0x4855          /* "HU" */
  32
  33 struct huxhdr {
  34         be_uint16_t     x_magic;        /* HUXMAGIC */
  35         u_int8_t        x_reserved1;    /* 0 */
  36         u_int8_t        x_loadmode;     /* 0: normal, 1: minimal memory,
  37                                            2: high address */
  38         be_uint32_t     x_base;         /* base address (normally 0) */
  39         be_uint32_t     x_entry;        /* execution entry */
  40         be_uint32_t     x_text;         /* size of text section */
  41         be_uint32_t     x_data;         /* size of data section */
  42         be_uint32_t     x_bss;          /* size of bss */
  43         be_uint32_t     x_rsize;        /* size of relocation table */
  44         be_uint32_t     x_syms;         /* size of symbol info */
  45         be_uint32_t     x_db_line;      /* size of debugging info (line #) */
  46         be_uint32_t     x_db_syms;      /* size of debugging info (symbol) */
  47         be_uint32_t     x_db_str;       /* size of debugging info (string) */
  48         be_uint32_t     x_reserved2[4]; /* 0 */
  49         be_uint32_t     x_bindlist;     /* bind list offset */
  50 };
  51
  52 /*
  53  * relocation information
  54  */
  55
  56 /* short format */
  57 struct relinf_s {
  58         be_uint16_t     locoff_s;       /* offset */
  59 };
  60
  61 /* long format */
  62 #define HUXLRELMAGIC    0x0001
  63 struct relinf_l {
  64         be_uint16_t     lrelmag;        /* HUXLRELMAGIC */
  65         be_uint16_t     locoff_l[2];    /* this would be  be_uint32_t
  66                                          * if there were no alignment problems
  67                                          */
  68 };
  69
  70 #define HUX_MINLREL     0x10000         /* minimal value for long format */