OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [insight/] [bfd/] [pc532-mach.c] - Blame information for rev 578

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 578 markom
/* BFD back-end for Mach3/532 a.out-ish binaries.
2
   Copyright 1990, 1991, 1992, 1994, 1995, 2000, 2001
3
   Free Software Foundation, Inc.
4
 
5
This file is part of BFD, the Binary File Descriptor library.
6
 
7
This program is free software; you can redistribute it and/or modify
8
it under the terms of the GNU General Public License as published by
9
the Free Software Foundation; either version 2 of the License, or
10
(at your option) any later version.
11
 
12
This program is distributed in the hope that it will be useful,
13
but WITHOUT ANY WARRANTY; without even the implied warranty of
14
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
GNU General Public License for more details.
16
 
17
You should have received a copy of the GNU General Public License
18
along with this program; if not, write to the Free Software
19
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
#define MY(OP) CAT(pc532machaout_,OP)
54
 
55
/* Must be the same as aout-ns32k.c */
56
#define NAME(x,y) CAT3(ns32kaout,_32_,y)
57
 
58
#define TARGETNAME "a.out-pc532-mach"
59
 
60
#include "bfd.h"
61
#include "sysdep.h"
62
#include "libaout.h"
63
#include "libbfd.h"
64
#include "aout/aout64.h"
65
 
66
/* We can`t use the MYNS macro here for cpp reasons too subtle for me -- IWD */
67
 
68
#define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup
69
 
70
/* libaout doesn't use NAME for these ...  */
71
 
72
#define MY_get_section_contents aout_32_get_section_contents
73
 
74
#define MY_text_includes_header 1
75
 
76
#define MY_exec_header_not_counted 1
77
 
78
#define MYNSX(OP) CAT(ns32kaout_,OP)
79
reloc_howto_type *
80
MYNSX(bfd_reloc_type_lookup)
81
  PARAMS((bfd *abfd AND
82
          bfd_reloc_code_real_type code));
83
 
84
boolean
85
MYNSX(write_object_contents)
86
  PARAMS((bfd *abfd));
87
 
88
static boolean
89
MY(write_object_contents) (abfd)
90
bfd *abfd;
91
{
92
  struct external_exec exec_bytes;
93
  struct internal_exec *execp = exec_hdr (abfd);
94
 
95
  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
96
 
97
  BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k);
98
  switch (bfd_get_mach (abfd))
99
    {
100
    case 32032:
101
      N_SET_MACHTYPE (*execp, M_NS32032);
102
      break;
103
    case 32532:
104
    default:
105
      N_SET_MACHTYPE (*execp, M_NS32532);
106
      break;
107
    }
108
  N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags);
109
 
110
  WRITE_HEADERS(abfd, execp);
111
 
112
  return true;
113
}
114
 
115
#define MY_write_object_contents MY(write_object_contents)
116
 
117
#include "aout-target.h"

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.