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authorJim Wilson <wilson@tuliptree.org>2000-04-18 04:03:16 +0000
committerJim Wilson <wilson@tuliptree.org>2000-04-18 04:03:16 +0000
commitfac417805a7d6be67dae8e8146edd818a308f8a3 (patch)
treedc9fc1e22e1c48383e8126a222b05cd8be9c0f1a /bfd/coff-ia64.c
parentb9af77f58f609c230732b9acdbf1a6f747766733 (diff)
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Bfd support for generating IA-64 EFI binaries.
* Makefile.am (BFD64_BACKENDS): Mention coff-ia64.lo. (BFD64_BACKENDS_CFILES): Mention coff-ia64.c (coff-ia64.lo): Add dependency. * Makefile.in: Regenerate. * coff-ia64.c: New file. * efi-app-ia32.c: Ditto. * efi-app-ia64.c: Ditto. ...
Diffstat (limited to 'bfd/coff-ia64.c')
-rw-r--r--bfd/coff-ia64.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/bfd/coff-ia64.c b/bfd/coff-ia64.c
new file mode 100644
index 0000000..df867e7
--- /dev/null
+++ b/bfd/coff-ia64.c
@@ -0,0 +1,198 @@
+/* BFD back-end for HP/Intel IA-64 COFF files.
+ Copyright 1999 Free Software Foundation, Inc.
+ Contributed by David Mosberger <davidm@hpl.hp.com>
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+#include "coff/ia64.h"
+
+#include "coff/internal.h"
+
+#include "coff/pe.h"
+
+#include "libcoff.h"
+
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
+/* The page size is a guess based on ELF. */
+
+#define COFF_PAGE_SIZE 0x1000
+
+static reloc_howto_type howto_table[] =
+{
+ {0},
+};
+
+#define BADMAG(x) IA64BADMAG(x)
+#define IA64 1 /* Customize coffcode.h */
+
+#ifdef COFF_WITH_PEP64
+# undef AOUTSZ
+# define AOUTSZ PEP64AOUTSZ
+# define PEAOUTHDR PEP64AOUTHDR
+#endif
+
+#define RTYPE2HOWTO(cache_ptr, dst) \
+ (cache_ptr)->howto = howto_table + (dst)->r_type;
+
+#ifdef COFF_WITH_PE
+/* Return true if this relocation should
+ appear in the output .reloc section. */
+
+static boolean
+in_reloc_p(abfd, howto)
+ bfd * abfd;
+ reloc_howto_type *howto;
+{
+ return 0; /* We don't do relocs for now... */
+}
+#endif
+
+#include "coffcode.h"
+
+static const bfd_target *
+ia64coff_object_p (abfd)
+ bfd *abfd;
+{
+#ifdef COFF_IMAGE_WITH_PE
+ /* We need to hack badly to handle a PE image correctly. In PE
+ images created by the GNU linker, the offset to the COFF header
+ is always the size. However, this is not the case in images
+ generated by other PE linkers. The PE format stores a four byte
+ offset to the PE signature just before the COFF header at
+ location 0x3c of the file. We pick up that offset, verify that
+ the PE signature is there, and then set ourselves up to read in
+ the COFF header. */
+ {
+ bfd_byte ext_offset[4];
+ file_ptr offset;
+ bfd_byte ext_signature[4];
+ unsigned long signature;
+
+ if (bfd_seek (abfd, 0x3c, SEEK_SET) != 0
+ || bfd_read (ext_offset, 1, 4, abfd) != 4)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+ offset = bfd_h_get_32 (abfd, ext_offset);
+ if (bfd_seek (abfd, offset, SEEK_SET) != 0
+ || bfd_read (ext_signature, 1, 4, abfd) != 4)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+ signature = bfd_h_get_32 (abfd, ext_signature);
+
+ if (signature != 0x4550)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ /* Here is the hack. coff_object_p wants to read filhsz bytes to
+ pick up the COFF header. We adjust so that that will work. 20
+ is the size of the COFF filehdr. */
+
+ if (bfd_seek (abfd,
+ (bfd_tell (abfd)
+ - bfd_coff_filhsz (abfd)
+ + 20),
+ SEEK_SET)
+ != 0)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+ }
+#endif
+
+ return coff_object_p (abfd);
+}
+
+const bfd_target
+#ifdef TARGET_SYM
+ TARGET_SYM =
+#else
+ ia64coff_vec =
+#endif
+{
+#ifdef TARGET_NAME
+ TARGET_NAME,
+#else
+ "coff-ia64", /* name */
+#endif
+ bfd_target_coff_flavour,
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_LITTLE, /* header byte order is little */
+
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+
+#ifndef COFF_WITH_PE
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
+ | SEC_CODE | SEC_DATA),
+#else
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
+ | SEC_CODE | SEC_DATA
+ | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
+#endif
+
+#ifdef TARGET_UNDERSCORE
+ TARGET_UNDERSCORE, /* leading underscore */
+#else
+ 0, /* leading underscore */
+#endif
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+
+/* Note that we allow an object file to be treated as a core file as well. */
+ {_bfd_dummy_target, ia64coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, ia64coff_object_p},
+ {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
+ bfd_false},
+ {bfd_false, coff_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (coff),
+ BFD_JUMP_TABLE_COPY (coff),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
+ BFD_JUMP_TABLE_SYMBOLS (coff),
+ BFD_JUMP_TABLE_RELOCS (coff),
+ BFD_JUMP_TABLE_WRITE (coff),
+ BFD_JUMP_TABLE_LINK (coff),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
+ COFF_SWAP_TABLE
+};