/* BFD back-end for os9000 i386 binaries.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001, 2002,
- 2004 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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 3 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.
+ 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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "libaout.h" /* BFD a.out internal data structures */
#include "os9k.h"
-static const bfd_target * os9k_callback
- PARAMS ((bfd *));
-static const bfd_target * os9k_object_p
- PARAMS ((bfd *));
-static int os9k_sizeof_headers
- PARAMS ((bfd *, bfd_boolean));
-bfd_boolean os9k_swap_exec_header_in
- PARAMS ((bfd *, mh_com *, struct internal_exec *));
-
/* Swaps the information in an executable header taken from a raw byte
stream memory image, into the internal exec_header structure. */
-bfd_boolean
-os9k_swap_exec_header_in (abfd, raw_bytes, execp)
- bfd *abfd;
- mh_com *raw_bytes;
- struct internal_exec *execp;
+static bfd_boolean
+os9k_swap_exec_header_in (bfd *abfd,
+ mh_com *raw_bytes,
+ struct internal_exec *execp)
{
mh_com *bytes = (mh_com *) raw_bytes;
unsigned int dload, dmemsize, dmemstart;
return TRUE;
}
-#if 0
-/* Swaps the information in an internal exec header structure into the
- supplied buffer ready for writing to disk. */
-
-void os9k_swap_exec_header_out
- PARAMS ((bfd *, struct internal_exec *, struct mh_com *));
-
-void
-os9k_swap_exec_header_out (abfd, execp, raw_bytes)
- bfd *abfd;
- struct internal_exec *execp;
- mh_com *raw_bytes;
-{
- mh_com *bytes = (mh_com *) raw_bytes;
-
- /* Now fill in fields in the raw data, from the fields in the exec struct. */
- H_PUT_32 (abfd, execp->a_info, bytes->e_info);
- H_PUT_32 (abfd, execp->a_text, bytes->e_text);
- H_PUT_32 (abfd, execp->a_data, bytes->e_data);
- H_PUT_32 (abfd, execp->a_bss, bytes->e_bss);
- H_PUT_32 (abfd, execp->a_syms, bytes->e_syms);
- H_PUT_32 (abfd, execp->a_entry, bytes->e_entry);
- H_PUT_32 (abfd, execp->a_trsize, bytes->e_trsize);
- H_PUT_32 (abfd, execp->a_drsize, bytes->e_drsize);
- H_PUT_32 (abfd, execp->a_tload, bytes->e_tload);
- H_PUT_32 (abfd, execp->a_dload, bytes->e_dload);
- bytes->e_talign[0] = execp->a_talign;
- bytes->e_dalign[0] = execp->a_dalign;
- bytes->e_balign[0] = execp->a_balign;
- bytes->e_relaxable[0] = execp->a_relaxable;
-}
-
-#endif /* 0 */
-
-static const bfd_target *
-os9k_object_p (abfd)
- bfd *abfd;
-{
- struct internal_exec anexec;
- mh_com exec_bytes;
-
- if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd)
- != MHCOM_BYTES_SIZE)
- {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return 0;
- }
-
- anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync);
- if (N_BADMAG (anexec))
- {
- bfd_set_error (bfd_error_wrong_format);
- return 0;
- }
-
- if (! os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec))
- {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback);
-}
-
/* Finish up the opening of a b.out file for reading. Fill in all the
fields that are not handled by common code. */
static const bfd_target *
-os9k_callback (abfd)
- bfd *abfd;
+os9k_callback (bfd *abfd)
{
struct internal_exec *execp = exec_hdr (abfd);
unsigned long bss_start;
return abfd->xvec;
}
-#if 0
-struct bout_data_struct
-{
- struct aoutdata a;
- struct internal_exec e;
-};
-
-static bfd_boolean
-os9k_mkobject (abfd)
- bfd *abfd;
-{
- struct bout_data_struct *rawptr;
- bfd_size_type amt = sizeof (struct bout_data_struct);
-
- rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, amt);
- if (rawptr == NULL)
- return FALSE;
-
- abfd->tdata.bout_data = rawptr;
- exec_hdr (abfd) = &rawptr->e;
-
- obj_textsec (abfd) = (asection *) NULL;
- obj_datasec (abfd) = (asection *) NULL;
- obj_bsssec (abfd) = (asection *) NULL;
-
- return TRUE;
-}
-
-static bfd_boolean
-os9k_write_object_contents (abfd)
- bfd *abfd;
+static const bfd_target *
+os9k_object_p (bfd *abfd)
{
- struct external_exec swapped_hdr;
-
- if (! aout_32_make_sections (abfd))
- return FALSE;
-
- exec_hdr (abfd)->a_info = BMAGIC;
-
- exec_hdr (abfd)->a_text = obj_textsec (abfd)->size;
- exec_hdr (abfd)->a_data = obj_datasec (abfd)->size;
- exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->size;
- exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
- exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd);
- exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) *
- sizeof (struct relocation_info));
- exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) *
- sizeof (struct relocation_info));
-
- exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power;
- exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power;
- exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power;
-
- exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma;
- exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma;
-
- bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
-
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
- || bfd_bwrite ((PTR) & swapped_hdr, (bfd_size_type) EXEC_BYTES_SIZE,
- abfd) != EXEC_BYTES_SIZE)
- return FALSE;
+ struct internal_exec anexec;
+ mh_com exec_bytes;
- /* Now write out reloc info, followed by syms and strings. */
- if (bfd_get_symcount (abfd) != 0)
+ if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd)
+ != MHCOM_BYTES_SIZE)
{
- if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET)
- != 0)
- return FALSE;
-
- if (!aout_32_write_syms (abfd))
- return FALSE;
-
- if (bfd_seek (abfd, (file_ptr) (N_TROFF (*exec_hdr (abfd))), SEEK_SET)
- != 0)
- return FALSE;
-
- if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd)))
- return FALSE;
- if (bfd_seek (abfd, (file_ptr) (N_DROFF (*exec_hdr (abfd))), SEEK_SET)
- != 0)
- return FALSE;
-
- if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd)))
- return FALSE;
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
}
- return TRUE;
-}
-\f
-static bfd_boolean
-os9k_set_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- unsigned char *location;
- file_ptr offset;
- int count;
-{
-
- if (! abfd->output_has_begun)
- { /* set by bfd.c handler */
- if (! aout_32_make_sections (abfd))
- return FALSE;
-
- obj_textsec (abfd)->filepos = sizeof (struct internal_exec);
- obj_datasec (abfd)->filepos = obj_textsec (abfd)->filepos
- + obj_textsec (abfd)->size;
+ anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync);
+ if (N_BADMAG (anexec))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
}
- /* Regardless, once we know what we're doing, we might as well get going. */
- if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
- return FALSE;
- if (count != 0)
- return bfd_bwrite ((PTR) location, (bfd_size_type) count, abfd) == count;
-
- return TRUE;
+ if (! os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec))
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+ return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback);
}
-#endif /* 0 */
static int
-os9k_sizeof_headers (ignore_abfd, ignore)
- bfd *ignore_abfd ATTRIBUTE_UNUSED;
- bfd_boolean ignore ATTRIBUTE_UNUSED;
+os9k_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
return sizeof (struct internal_exec);
}
#define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
#define aout_32_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+#define aout_32_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
#define aout_32_get_section_contents_in_window \
_bfd_generic_get_section_contents_in_window
#define os9k_bfd_merge_sections bfd_generic_merge_sections
#define os9k_bfd_is_group_section bfd_generic_is_group_section
#define os9k_bfd_discard_group bfd_generic_discard_group
+#define os9k_section_already_linked \
+ _bfd_generic_section_already_linked
+#define os9k_bfd_define_common_symbol bfd_generic_define_common_symbol
#define os9k_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define os9k_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
#define os9k_bfd_link_add_symbols _bfd_generic_link_add_symbols
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