1/* BFD back-end for Mach3/532 a.out-ish binaries.
2   Copyright 1990, 1991, 1992, 1994, 1995, 2000, 2001, 2002
3   Free Software Foundation, Inc.
4
5This file is part of BFD, the Binary File Descriptor library.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
19Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
20
21/* Written by Ian Dall
22 *            19-Apr-94
23 *
24 * Formerly part of aout-pc532-mach.c. Split out to allow more
25 * flexibility with multiple formats.
26 *
27 */
28/* This architecture has N_TXTOFF and N_TXTADDR defined as if
29 * N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the
30 * space for the header. So we have N_HEADER_IN_TEXT defined to
31 * 1 and specially define our own N_TXTSIZE
32 */
33
34#define N_HEADER_IN_TEXT(x) 1
35#define N_TXTSIZE(x) ((x).a_text)
36
37#define TEXT_START_ADDR 0x10000       /* from old ld */
38#define TARGET_PAGE_SIZE 0x1000       /* from old ld,  032 & 532 are really 512/4k */
39
40/* Use a_entry of 0 to distinguish object files from OMAGIC executables */
41#define N_TXTADDR(x) \
42  (N_MAGIC(x) == OMAGIC ? \
43   ((x).a_entry < TEXT_START_ADDR? 0: TEXT_START_ADDR): \
44   (N_MAGIC(x) == NMAGIC? TEXT_START_ADDR: \
45    TEXT_START_ADDR + EXEC_BYTES_SIZE))
46
47#define	SEGMENT_SIZE	TARGET_PAGE_SIZE
48
49#define N_SHARED_LIB(x) 0
50#define SEGMENT_SIZE TARGET_PAGE_SIZE
51#define DEFAULT_ARCH bfd_arch_ns32k
52
53/* Do not "beautify" the CONCAT* macro args.  Traditional C will not
54   remove whitespace added here, and thus will fail to concatenate
55   the tokens.  */
56#define MY(OP) CONCAT2 (pc532machaout_,OP)
57
58/* Must be the same as aout-ns32k.c */
59#define NAME(x,y) CONCAT3 (ns32kaout,_32_,y)
60
61#define TARGETNAME "a.out-pc532-mach"
62
63#include "bfd.h"
64#include "sysdep.h"
65#include "libaout.h"
66#include "libbfd.h"
67#include "aout/aout64.h"
68
69#define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup
70
71/* libaout doesn't use NAME for these ...  */
72
73#define MY_get_section_contents aout_32_get_section_contents
74
75#define MY_text_includes_header 1
76
77#define MY_exec_header_not_counted 1
78
79reloc_howto_type *ns32kaout_bfd_reloc_type_lookup
80  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
81
82static bfd_boolean MY(write_object_contents)
83  PARAMS ((bfd *abfd));
84
85static bfd_boolean
86MY(write_object_contents) (abfd)
87     bfd *abfd;
88{
89  struct external_exec exec_bytes;
90  struct internal_exec *execp = exec_hdr (abfd);
91
92  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
93
94  BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k);
95  switch (bfd_get_mach (abfd))
96    {
97    case 32032:
98      N_SET_MACHTYPE (*execp, M_NS32032);
99      break;
100    case 32532:
101    default:
102      N_SET_MACHTYPE (*execp, M_NS32532);
103      break;
104    }
105  N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags);
106
107  WRITE_HEADERS(abfd, execp);
108
109  return TRUE;
110}
111
112#define MY_write_object_contents MY(write_object_contents)
113
114#include "aout-target.h"
115