include/aout/hp300hpux.h

   1 /* Special version of <a.out.h> for use under hp-ux.
   2    Copyright (C) 1988,1993 Free Software Foundation, Inc. */
   3
   4 struct hp300hpux_exec_bytes
   5 {
   6   unsigned char e_info[4];   /* a_machtype/a_magic */
   7   unsigned char e_spare1[4];
   8   unsigned char e_spare2[4];
   9   unsigned char e_text[4];   /* length of text, in bytes */
  10   unsigned char e_data[4];   /* length of data, in bytes */
  11   unsigned char e_bss[4];    /* length of uninitialized data area , in bytes */
  12   unsigned char e_trsize[4]; /* length of relocation info for text, in bytes*/
  13   unsigned char e_drsize[4]; /* length of relocation info for data, in bytes*/
  14   unsigned char e_passize[4];/* HP = pascal interface size */
  15   unsigned char e_syms[4];   /* HP = symbol table size */
  16   unsigned char e_spare5[4]; /* HP = debug name table size */
  17   unsigned char e_entry[4];  /* start address */
  18   unsigned char e_spare6[4]; /* HP = source line table size */
  19   unsigned char e_supsize[4];/* HP = value table size */
  20   unsigned char e_drelocs[4];
  21   unsigned char e_extension[4]; /* file offset of extension */
  22 };
  23 #define EXEC_BYTES_SIZE 64
  24
  25 struct hp300hpux_nlist_bytes
  26   {
  27     unsigned char e_value[4];
  28     unsigned char e_type[1];
  29     unsigned char e_length[1];  /* length of ascii symbol name */
  30     unsigned char e_almod[2];   /* alignment mod */
  31     unsigned char e_shlib[2];   /* info about dynamic linking */
  32   };
  33 #define EXTERNAL_NLIST_SIZE 10
  34
  35 struct hp300hpux_reloc
  36   {
  37     unsigned char r_address[4];/* offset of of data to relocate */
  38     unsigned char r_index[2];  /* symbol table index of symbol         */
  39     unsigned char r_type[1];   /* relocation type                      */
  40     unsigned char r_length[1]; /* length of item to reloc              */
  41   };
  42
  43 struct hp300hpux_header_extension
  44 {
  45     unsigned char e_syms[4];
  46     unsigned char unique_headers[12*4];
  47     unsigned char e_header[2];   /* type of header */
  48     unsigned char e_version[2];  /* version        */
  49     unsigned char e_size[4];     /* bytes following*/
  50     unsigned char e_extension[4];/* file offset of next extension */
  51 };
  52 #define EXTERNAL_EXTENSION_HEADER_SIZE (16*4)
  53
  54 /* hpux separates object files (0x106) and impure executables (0x107)  */
  55 /* but the bfd code does not distinguish between them. Since we want to*/
  56 /* read hpux .o files, we add an special define and use it below in    */
  57 /* offset and address calculations.                                    */
  58
  59 #define HPUX_DOT_O_MAGIC 0x106
  60 #define OMAGIC 0x107       /* object file or impure executable.  */
  61 #define NMAGIC 0x108       /* Code indicating pure executable.   */
  62 #define ZMAGIC 0x10B       /* demand-paged executable.           */
  63
  64 #define N_HEADER_IN_TEXT(x) 0
  65
  66 #if 0 /* libaout.h only uses the lower 8 bits */
  67 #define HP98x6_ID 0x20A
  68 #define HP9000S200_ID 0x20C
  69 #endif
  70 #define HP98x6_ID 0x0A
  71 #define HP9000S200_ID 0x0C
  72
  73 #define N_BADMAG(x) ((_N_BADMAG (x)) || (_N_BADMACH (x)))
  74
  75 #define N_DATADDR(x) \
  76     ((N_MAGIC(x)==OMAGIC || N_MAGIC(x)==HPUX_DOT_O_MAGIC) ? \
  77         (N_TXTADDR(x)+N_TXTSIZE(x)) \
  78      :  (N_SEGSIZE(x) + ((N_TXTADDR(x)+N_TXTSIZE(x)-1) & ~(N_SEGSIZE(x)-1))))
  79
  80 #define _N_BADMACH(x)                                                   \
  81 (((N_MACHTYPE (x)) != HP9000S200_ID) &&                                 \
  82  ((N_MACHTYPE (x)) != HP98x6_ID))
  83
  84 #define _N_BADMAG(x)      (N_MAGIC(x) != HPUX_DOT_O_MAGIC \
  85                         && N_MAGIC(x) != OMAGIC         \
  86                         && N_MAGIC(x) != NMAGIC         \
  87                         && N_MAGIC(x) != ZMAGIC )
  88
  89 #undef _N_HDROFF
  90 #define _N_HDROFF(x) (SEGMENT_SIZE - (sizeof (struct exec)))
  91
  92 #undef N_DATOFF
  93 #undef N_PASOFF
  94 #undef N_SYMOFF
  95 #undef N_SUPOFF
  96 #undef N_TRELOFF
  97 #undef N_DRELOFF
  98 #undef N_STROFF
  99
 100 #define N_DATOFF(x)     ( N_TXTOFF(x) + N_TXTSIZE(x) )
 101 #define N_PASOFF(x)     ( N_DATOFF(x) + (x).a_data)
 102 #define N_SYMOFF(x)     ( N_PASOFF(x)   /* + (x).a_passize*/ )
 103 #define N_SUPOFF(x)     ( N_SYMOFF(x) + (x).a_syms )
 104 #define N_TRELOFF(x)    ( N_SUPOFF(x)    /* + 0 (x).a_supsize*/ )
 105 #define N_DRELOFF(x)    ( N_TRELOFF(x) + (x).a_trsize )
 106 #define N_EXTHOFF(x)    ( N_DRELOFF(x)   /*  + 0 (x).a_drsize */)
 107 #define N_STROFF(x)     ( 0 /* no string table */ )
 108
 109 /* use these when the file has gnu symbol tables */
 110 #define N_GNU_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
 111 #define N_GNU_DRELOFF(x) (N_GNU_TRELOFF(x) + (x).a_trsize)
 112 #define N_GNU_SYMOFF(x)  (N_GNU_DRELOFF(x) + (x).a_drsize)
 113
 114 #define TARGET_PAGE_SIZE 0x1000
 115 #define SEGMENT_SIZE 0x1000
 116 #define TEXT_START_ADDR 0
 117
 118 #undef N_SHARED_LIB
 119 #define N_SHARED_LIB(x)  ( 0 /* no shared libraries */ )