include/aout/hp300hpux.h

   1 /* Special version of <a.out.h> for use under HP-UX.
   2    Copyright 1988, 1993, 1995, 2001, 2009, 2010
   3    Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  18    MA 02110-1301, USA.  */
  19
  20 struct hp300hpux_exec_bytes
  21 {
  22   unsigned char e_info[4];   /* a_machtype/a_magic */
  23   unsigned char e_spare1[4];
  24   unsigned char e_spare2[4];
  25   unsigned char e_text[4];   /* length of text, in bytes */
  26   unsigned char e_data[4];   /* length of data, in bytes */
  27   unsigned char e_bss[4];    /* length of uninitialized data area , in bytes */
  28   unsigned char e_trsize[4]; /* length of relocation info for text, in bytes*/
  29   unsigned char e_drsize[4]; /* length of relocation info for data, in bytes*/
  30   unsigned char e_passize[4];/* HP = pascal interface size */
  31   unsigned char e_syms[4];   /* HP = symbol table size */
  32   unsigned char e_spare5[4]; /* HP = debug name table size */
  33   unsigned char e_entry[4];  /* start address */
  34   unsigned char e_spare6[4]; /* HP = source line table size */
  35   unsigned char e_supsize[4];/* HP = value table size */
  36   unsigned char e_drelocs[4];
  37   unsigned char e_extension[4]; /* file offset of extension */
  38 };
  39 #define EXEC_BYTES_SIZE 64
  40
  41 struct hp300hpux_nlist_bytes
  42   {
  43     unsigned char e_value[4];
  44     unsigned char e_type[1];
  45     unsigned char e_length[1];  /* length of ascii symbol name */
  46     unsigned char e_almod[2];   /* alignment mod */
  47     unsigned char e_shlib[2];   /* info about dynamic linking */
  48   };
  49 #define EXTERNAL_NLIST_SIZE 10
  50
  51 struct hp300hpux_reloc
  52   {
  53     unsigned char r_address[4];/* offset of of data to relocate */
  54     unsigned char r_index[2];  /* symbol table index of symbol         */
  55     unsigned char r_type[1];   /* relocation type                      */
  56     unsigned char r_length[1]; /* length of item to reloc              */
  57   };
  58
  59 struct hp300hpux_header_extension
  60 {
  61     unsigned char e_syms[4];
  62     unsigned char unique_headers[12*4];
  63     unsigned char e_header[2];   /* type of header */
  64     unsigned char e_version[2];  /* version        */
  65     unsigned char e_size[4];     /* bytes following*/
  66     unsigned char e_extension[4];/* file offset of next extension */
  67 };
  68 #define EXTERNAL_EXTENSION_HEADER_SIZE (16*4)
  69
  70 /* hpux separates object files (0x106) and impure executables (0x107)  */
  71 /* but the bfd code does not distinguish between them. Since we want to*/
  72 /* read hpux .o files, we add an special define and use it below in    */
  73 /* offset and address calculations.                                    */
  74
  75 #define HPUX_DOT_O_MAGIC 0x106
  76 #define OMAGIC 0x107       /* object file or impure executable.  */
  77 #define NMAGIC 0x108       /* Code indicating pure executable.   */
  78 #define ZMAGIC 0x10B       /* demand-paged executable.           */
  79
  80 #define N_HEADER_IN_TEXT(x) 0
  81
  82 #if 0 /* libaout.h only uses the lower 8 bits */
  83 #define HP98x6_ID 0x20A
  84 #define HP9000S200_ID 0x20C
  85 #endif
  86 #define HP98x6_ID 0x0A
  87 #define HP9000S200_ID 0x0C
  88
  89 #define N_BADMAG(x) ((_N_BADMAG (x)) || (_N_BADMACH (x)))
  90
  91 #define N_DATADDR(x) \
  92   ((N_MAGIC (x) == OMAGIC || N_MAGIC (x) == HPUX_DOT_O_MAGIC)           \
  93    ? (N_TXTADDR (x) + N_TXTSIZE (x))                                    \
  94    : (N_SEGSIZE (x) + ((N_TXTADDR (x) + N_TXTSIZE (x) - 1)              \
  95                        & ~ (bfd_vma) (N_SEGSIZE (x) - 1))))
  96
  97 #define _N_BADMACH(x) \
  98   (((N_MACHTYPE (x)) != HP9000S200_ID) && ((N_MACHTYPE (x)) != HP98x6_ID))
  99
 100 #define _N_BADMAG(x)      (N_MAGIC(x) != HPUX_DOT_O_MAGIC \
 101                         && N_MAGIC(x) != OMAGIC         \
 102                         && N_MAGIC(x) != NMAGIC         \
 103                         && N_MAGIC(x) != ZMAGIC )
 104
 105 #undef _N_HDROFF
 106 #define _N_HDROFF(x) (SEGMENT_SIZE - (sizeof (struct exec)))
 107
 108 #undef N_DATOFF
 109 #undef N_PASOFF
 110 #undef N_SYMOFF
 111 #undef N_SUPOFF
 112 #undef N_TRELOFF
 113 #undef N_DRELOFF
 114 #undef N_STROFF
 115
 116 #define N_DATOFF(x)     ( N_TXTOFF(x) + N_TXTSIZE(x) )
 117 #define N_PASOFF(x)     ( N_DATOFF(x) + (x).a_data)
 118 #define N_SYMOFF(x)     ( N_PASOFF(x)   /* + (x).a_passize*/ )
 119 #define N_SUPOFF(x)     ( N_SYMOFF(x) + (x).a_syms )
 120 #define N_TRELOFF(x)    ( N_SUPOFF(x)    /* + 0 (x).a_supsize*/ )
 121 #define N_DRELOFF(x)    ( N_TRELOFF(x) + (x).a_trsize )
 122 #define N_EXTHOFF(x)    ( N_DRELOFF(x)   /*  + 0 (x).a_drsize */)
 123 #define N_STROFF(x)     ( 0 /* no string table */ )
 124
 125 /* use these when the file has gnu symbol tables */
 126 #define N_GNU_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
 127 #define N_GNU_DRELOFF(x) (N_GNU_TRELOFF(x) + (x).a_trsize)
 128 #define N_GNU_SYMOFF(x)  (N_GNU_DRELOFF(x) + (x).a_drsize)
 129
 130 #define TARGET_PAGE_SIZE 0x1000
 131 #define SEGMENT_SIZE 0x1000
 132 #define TEXT_START_ADDR 0