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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.20.1/] [bfd/] [pc532-mach.c] - Blame information for rev 252

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

Line No. Rev Author Line
1 205 julius
/* BFD back-end for Mach3/532 a.out-ish binaries.
2
   Copyright 1990, 1991, 1992, 1994, 1995, 2000, 2001, 2002, 2005, 2007
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 3 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., 51 Franklin Street - Fifth Floor, Boston,
20
   MA 02110-1301, USA.  */
21
 
22
 
23
/* Written by Ian Dall
24
              19-Apr-94
25
 
26
   Formerly part of aout-pc532-mach.c. Split out to allow more
27
   flexibility with multiple formats.  */
28
 
29
/* This architecture has N_TXTOFF and N_TXTADDR defined as if
30
   N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the
31
   space for the header. So we have N_HEADER_IN_TEXT defined to
32
   1 and specially define our own N_TXTSIZE.  */
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 "sysdep.h"
64
#include "bfd.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
 
79
reloc_howto_type *ns32kaout_bfd_reloc_type_lookup
80
  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
81
 
82
static bfd_boolean MY(write_object_contents)
83
  PARAMS ((bfd *abfd));
84
 
85
static bfd_boolean
86
MY(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"

powered by: WebSVN 2.1.0

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