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      1 /* Special version of <a.out.h> for use under HP-UX.
      2    Copyright (C) 1988-2016 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 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
    132