include/aout/hp300hpux.h

   1 /* Special version of <a.out.h> for use under HP-UX.
   2    Copyright (C) 1988-2018 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  17    MA 02110-1301, USA.  */
  18
  19 struct hp300hpux_exec_bytes
  20 {
  21   unsigned char e_info[4];   /* a_machtype/a_magic */
  22   unsigned char e_spare1[4];
  23   unsigned char e_spare2[4];
  24   unsigned char e_text[4];   /* length of text, in bytes */
  25   unsigned char e_data[4];   /* length of data, in bytes */
  26   unsigned char e_bss[4];    /* length of uninitialized data area , in bytes */
  27   unsigned char e_trsize[4]; /* length of relocation info for text, in bytes*/
  28   unsigned char e_drsize[4]; /* length of relocation info for data, in bytes*/
  29   unsigned char e_passize[4];/* HP = pascal interface size */
  30   unsigned char e_syms[4];   /* HP = symbol table size */
  31   unsigned char e_spare5[4]; /* HP = debug name table size */
  32   unsigned char e_entry[4];  /* start address */
  33   unsigned char e_spare6[4]; /* HP = source line table size */
  34   unsigned char e_supsize[4];/* HP = value table size */
  35   unsigned char e_drelocs[4];
  36   unsigned char e_extension[4]; /* file offset of extension */
  37 };
  38 #define EXEC_BYTES_SIZE 64
  39
  40 struct hp300hpux_nlist_bytes
  41 {
  42   unsigned char e_value[4];
  43   unsigned char e_type[1];
  44   unsigned char e_length[1];    /* Length of ascii symbol name.  */
  45   unsigned char e_almod[2];     /* Alignment mod.  */
  46   unsigned char e_shlib[2];     /* Info about dynamic linking.  */
  47 };
  48 #define EXTERNAL_NLIST_SIZE 10
  49
  50 struct hp300hpux_reloc
  51 {
  52   unsigned char r_address[4];/* offset of data to relocate */
  53   unsigned char r_index[2];  /* symbol table index of symbol         */
  54   unsigned char r_type[1];   /* relocation type                      */
  55   unsigned char r_length[1]; /* length of item to reloc              */
  56 };
  57
  58 struct hp300hpux_header_extension
  59 {
  60   unsigned char e_syms[4];
  61   unsigned char unique_headers[12*4];
  62   unsigned char e_header[2];   /* Type of header.  */
  63   unsigned char e_version[2];  /* Version.  */
  64   unsigned char e_size[4];     /* Bytes following.  */
  65   unsigned char e_extension[4];/* File offset of next extension.  */
  66 };
  67 #define EXTERNAL_EXTENSION_HEADER_SIZE (16*4)
  68
  69 /* HPUX separates object files (0x106) and impure executables (0x107)
  70    but the bfd code does not distinguish between them. Since we want to
  71    read hpux .o files, we add an special define and use it below in
  72    offset and address calculations.  */
  73
  74 #define HPUX_DOT_O_MAGIC 0x106
  75 #define OMAGIC 0x107       /* Object file or impure executable.  */
  76 #define NMAGIC 0x108       /* Code indicating pure executable.   */
  77 #define ZMAGIC 0x10B       /* Demand-paged executable.           */
  78
  79 #define N_HEADER_IN_TEXT(x) 0
  80
  81 #if 0 /* libaout.h only uses the lower 8 bits.  */
  82 #define HP98x6_ID 0x20A
  83 #define HP9000S200_ID 0x20C
  84 #endif
  85 #define HP98x6_ID 0x0A
  86 #define HP9000S200_ID 0x0C
  87
  88 #define N_BADMAG(x) ((_N_BADMAG (x)) || (_N_BADMACH (x)))
  89
  90 #define N_DATADDR(x) \
  91   ((N_MAGIC (x) == OMAGIC || N_MAGIC (x) == HPUX_DOT_O_MAGIC)           \
  92    ? (N_TXTADDR (x) + N_TXTSIZE (x))                                    \
  93    : (N_SEGSIZE (x) + ((N_TXTADDR (x) + N_TXTSIZE (x) - 1)              \
  94                        & ~ (bfd_vma) (N_SEGSIZE (x) - 1))))
  95
  96 #define _N_BADMACH(x) \
  97   (((N_MACHTYPE (x)) != HP9000S200_ID) && ((N_MACHTYPE (x)) != HP98x6_ID))
  98
  99 #define _N_BADMAG(x)      (N_MAGIC(x) != HPUX_DOT_O_MAGIC \
 100                         && N_MAGIC(x) != OMAGIC         \
 101                         && N_MAGIC(x) != NMAGIC         \
 102                         && N_MAGIC(x) != ZMAGIC )
 103
 104 #undef _N_HDROFF
 105 #define _N_HDROFF(x) (SEGMENT_SIZE - (sizeof (struct exec)))
 106
 107 #undef N_DATOFF
 108 #undef N_PASOFF
 109 #undef N_SYMOFF
 110 #undef N_SUPOFF
 111 #undef N_TRELOFF
 112 #undef N_DRELOFF
 113 #undef N_STROFF
 114
 115 #define N_DATOFF(x)     ( N_TXTOFF(x) + N_TXTSIZE(x) )
 116 #define N_PASOFF(x)     ( N_DATOFF(x) + (x)->a_data)
 117 #define N_SYMOFF(x)     ( N_PASOFF(x)   /* + (x)->a_passize*/ )
 118 #define N_SUPOFF(x)     ( N_SYMOFF(x) + (x)->a_syms )
 119 #define N_TRELOFF(x)    ( N_SUPOFF(x)    /* + (x)->a_supsize*/ )
 120 #define N_DRELOFF(x)    ( N_TRELOFF(x) + (x)->a_trsize )
 121 #define N_EXTHOFF(x)    ( N_DRELOFF(x)   /*  + (x)->a_drsize */)
 122 #define N_STROFF(x)     ( 0 /* no string table */ )
 123
 124 /* Use these when the file has gnu symbol tables.  */
 125 #define N_GNU_TRELOFF(x) (N_DATOFF(x) + (x)->a_data)
 126 #define N_GNU_DRELOFF(x) (N_GNU_TRELOFF(x) + (x)->a_trsize)
 127 #define N_GNU_SYMOFF(x)  (N_GNU_DRELOFF(x) + (x)->a_drsize)
 128
 129 #define TARGET_PAGE_SIZE 0x1000
 130 #define SEGMENT_SIZE 0x1000
 131 #define TEXT_START_ADDR 0