OpenCores
URL https://opencores.org/ocsvn/open8_urisc/open8_urisc/trunk

Subversion Repositories open8_urisc

[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [coff-ia64.c] - Blame information for rev 165

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

Line No. Rev Author Line
1 14 khays
/* BFD back-end for HP/Intel IA-64 COFF files.
2 148 khays
   Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2011
3 14 khays
   Free Software Foundation, Inc.
4
   Contributed by David Mosberger <davidm@hpl.hp.com>
5
 
6
   This file is part of BFD, the Binary File Descriptor library.
7
 
8
   This program is free software; you can redistribute it and/or modify
9
   it under the terms of the GNU General Public License as published by
10
   the Free Software Foundation; either version 3 of the License, or
11
   (at your option) any later version.
12
 
13
   This program is distributed in the hope that it will be useful,
14
   but WITHOUT ANY WARRANTY; without even the implied warranty of
15
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
   GNU General Public License for more details.
17
 
18
   You should have received a copy of the GNU General Public License
19
   along with this program; if not, write to the Free Software
20
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21
   MA 02110-1301, USA.  */
22
 
23
#include "sysdep.h"
24
#include "bfd.h"
25
#include "libbfd.h"
26
#include "coff/ia64.h"
27
#include "coff/internal.h"
28
#include "coff/pe.h"
29
#include "libcoff.h"
30
 
31
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
32
 
33
/* Windows ia64 uses 8K page size.  */
34
#define COFF_PAGE_SIZE 0x2000
35
 
36
static reloc_howto_type howto_table[] =
37
{
38
  EMPTY_HOWTO (0),
39
};
40
 
41
#define BADMAG(x) IA64BADMAG(x)
42
#define IA64 1                  /* Customize coffcode.h */
43
 
44
#ifdef COFF_WITH_pep
45
# undef AOUTSZ
46
# define AOUTSZ         PEPAOUTSZ
47
# define PEAOUTHDR      PEPAOUTHDR
48
#endif
49
 
50
#define RTYPE2HOWTO(cache_ptr, dst) \
51
            (cache_ptr)->howto = howto_table + (dst)->r_type;
52
 
53
#ifdef COFF_WITH_PE
54
/* Return TRUE if this relocation should
55
   appear in the output .reloc section.  */
56
 
57
static bfd_boolean in_reloc_p PARAMS ((bfd *, reloc_howto_type *));
58
 
59
static bfd_boolean
60
in_reloc_p(abfd, howto)
61
     bfd * abfd ATTRIBUTE_UNUSED;
62
     reloc_howto_type *howto ATTRIBUTE_UNUSED;
63
{
64
  return FALSE;                 /* We don't do relocs for now...  */
65
}
66
#endif
67
 
68
#ifndef bfd_pe_print_pdata
69
#define bfd_pe_print_pdata      NULL
70
#endif
71
 
72
#include "coffcode.h"
73
 
74
static const bfd_target *ia64coff_object_p PARAMS ((bfd *));
75
 
76
static const bfd_target *
77
ia64coff_object_p (abfd)
78
     bfd *abfd;
79
{
80
#ifdef COFF_IMAGE_WITH_PE
81
  {
82
    struct external_PEI_DOS_hdr dos_hdr;
83
    struct external_PEI_IMAGE_hdr image_hdr;
84
    file_ptr offset;
85
 
86
    if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
87
        || (bfd_bread (&dos_hdr, (bfd_size_type) sizeof (dos_hdr), abfd)
88
            != sizeof (dos_hdr)))
89
      {
90
        if (bfd_get_error () != bfd_error_system_call)
91
          bfd_set_error (bfd_error_wrong_format);
92
        return NULL;
93
      }
94
 
95
    /* There are really two magic numbers involved; the magic number
96
       that says this is a NT executable (PEI) and the magic number
97
       that determines the architecture.  The former is DOSMAGIC,
98
       stored in the e_magic field.  The latter is stored in the
99
       f_magic field.  If the NT magic number isn't valid, the
100
       architecture magic number could be mimicked by some other
101
       field (specifically, the number of relocs in section 3).  Since
102
       this routine can only be called correctly for a PEI file, check
103
       the e_magic number here, and, if it doesn't match, clobber the
104
       f_magic number so that we don't get a false match.  */
105
    if (H_GET_16 (abfd, dos_hdr.e_magic) != DOSMAGIC)
106
      {
107
        bfd_set_error (bfd_error_wrong_format);
108
        return NULL;
109
      }
110
 
111
    offset = H_GET_32 (abfd, dos_hdr.e_lfanew);
112
    if (bfd_seek (abfd, offset, SEEK_SET) != 0
113
        || (bfd_bread (&image_hdr, (bfd_size_type) sizeof (image_hdr), abfd)
114
            != sizeof (image_hdr)))
115
      {
116
        if (bfd_get_error () != bfd_error_system_call)
117
          bfd_set_error (bfd_error_wrong_format);
118
        return NULL;
119
      }
120
 
121
    if (H_GET_32 (abfd, image_hdr.nt_signature)
122
        != 0x4550)
123
      {
124
        bfd_set_error (bfd_error_wrong_format);
125
        return NULL;
126
      }
127
 
128
    /* Here is the hack.  coff_object_p wants to read filhsz bytes to
129
       pick up the COFF header for PE, see "struct external_PEI_filehdr"
130
       in include/coff/pe.h.  We adjust so that that will work. */
131
    if (bfd_seek (abfd, offset - sizeof (dos_hdr), SEEK_SET) != 0)
132
      {
133
        if (bfd_get_error () != bfd_error_system_call)
134
          bfd_set_error (bfd_error_wrong_format);
135
        return NULL;
136
      }
137
  }
138
#endif
139
 
140
  return coff_object_p (abfd);
141
}
142
 
143
const bfd_target
144
#ifdef TARGET_SYM
145
  TARGET_SYM =
146
#else
147
  ia64coff_vec =
148
#endif
149
{
150
#ifdef TARGET_NAME
151
  TARGET_NAME,
152
#else
153
  "coff-ia64",                  /* name */
154
#endif
155
  bfd_target_coff_flavour,
156
  BFD_ENDIAN_LITTLE,            /* data byte order is little */
157
  BFD_ENDIAN_LITTLE,            /* header byte order is little */
158
 
159
  (HAS_RELOC | EXEC_P |         /* object flags */
160
   HAS_LINENO | HAS_DEBUG |
161
   HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
162
 
163
#ifndef COFF_WITH_PE
164
  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
165
   | SEC_CODE | SEC_DATA),
166
#else
167
  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
168
   | SEC_CODE | SEC_DATA
169
   | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
170
#endif
171
 
172
#ifdef TARGET_UNDERSCORE
173
  TARGET_UNDERSCORE,            /* leading underscore */
174
#else
175
  0,                             /* leading underscore */
176
#endif
177
  '/',                          /* ar_pad_char */
178
  15,                           /* ar_max_namelen */
179 148 khays
  0,                             /* match priority.  */
180 14 khays
 
181
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
182
     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
183
     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
184
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
185
     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
186
     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
187
 
188
/* Note that we allow an object file to be treated as a core file as well.  */
189
    {_bfd_dummy_target, ia64coff_object_p, /* bfd_check_format */
190
       bfd_generic_archive_p, ia64coff_object_p},
191
    {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
192
       bfd_false},
193
    {bfd_false, coff_write_object_contents, /* bfd_write_contents */
194
       _bfd_write_archive_contents, bfd_false},
195
 
196
     BFD_JUMP_TABLE_GENERIC (coff),
197
     BFD_JUMP_TABLE_COPY (coff),
198
     BFD_JUMP_TABLE_CORE (_bfd_nocore),
199
     BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
200
     BFD_JUMP_TABLE_SYMBOLS (coff),
201
     BFD_JUMP_TABLE_RELOCS (coff),
202
     BFD_JUMP_TABLE_WRITE (coff),
203
     BFD_JUMP_TABLE_LINK (coff),
204
     BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
205
 
206
  NULL,
207
 
208
  COFF_SWAP_TABLE
209
};

powered by: WebSVN 2.1.0

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