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