/* BFD back-end for os9000 i386 binaries.
- Copyright 1990, 1991, 1992, 1993 1994 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 98, 1999 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "libaout.h" /* BFD a.out internal data structures */
#include "os9k.h"
-static bfd_target *os9k_callback PARAMS ((bfd *));
+static const bfd_target *os9k_callback PARAMS ((bfd *));
/* Swaps the information in an executable header taken from a raw byte
stream memory image, into the internal exec_header structure. */
-void
+boolean
os9k_swap_exec_header_in (abfd, raw_bytes, execp)
bfd *abfd;
mh_com *raw_bytes;
dload = bfd_h_get_32 (abfd, bytes->m_idata);
execp->a_data = dload + 8;
- bfd_seek (abfd, (file_ptr) dload, SEEK_SET);
- bfd_read (&dmemstart, sizeof (dmemstart), 1, abfd);
- bfd_read (&dmemsize, sizeof (dmemsize), 1, abfd);
+ if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0
+ || (bfd_read (&dmemstart, sizeof (dmemstart), 1, abfd)
+ != sizeof (dmemstart))
+ || (bfd_read (&dmemsize, sizeof (dmemsize), 1, abfd)
+ != sizeof (dmemsize)))
+ return false;
execp->a_tload = 0;
execp->a_dload = bfd_h_get_32 (abfd, (unsigned char *) &dmemstart);
execp->a_trsize = 0;
execp->a_drsize = 0;
+
+ return true;
}
#if 0
#endif /* 0 */
-static bfd_target *
+static const bfd_target *
os9k_object_p (abfd)
bfd *abfd;
{
if (bfd_read ((PTR) & exec_bytes, MHCOM_BYTES_SIZE, 1, abfd)
!= MHCOM_BYTES_SIZE)
{
- bfd_set_error (bfd_error_wrong_format);
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
return 0;
}
return 0;
}
- os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec);
+ 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 bfd_target *
+static const bfd_target *
os9k_callback (abfd)
bfd *abfd;
{
rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
if (rawptr == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
abfd->tdata.bout_data = rawptr;
exec_hdr (abfd) = &rawptr->e;
- /* For simplicity's sake we just make all the sections right here. */
obj_textsec (abfd) = (asection *) NULL;
obj_datasec (abfd) = (asection *) NULL;
obj_bsssec (abfd) = (asection *) NULL;
- bfd_make_section (abfd, ".text");
- bfd_make_section (abfd, ".data");
- bfd_make_section (abfd, ".bss");
-
return true;
}
{
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)->_raw_size;
bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
- bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
- bfd_write ((PTR) & swapped_hdr, 1, EXEC_BYTES_SIZE, abfd);
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
+ || (bfd_write ((PTR) & swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
+ != EXEC_BYTES_SIZE))
+ return false;
/* Now write out reloc info, followed by syms and strings */
if (bfd_get_symcount (abfd) != 0)
{
- bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET);
+ if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET)
+ != 0)
+ return false;
if (!aout_32_write_syms (abfd))
return false;
- bfd_seek (abfd, (file_ptr) (N_TROFF (*exec_hdr (abfd))), SEEK_SET);
+ 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;
- bfd_seek (abfd, (file_ptr) (N_DROFF (*exec_hdr (abfd))), SEEK_SET);
+ 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 (abfd->output_has_begun == false)
{ /* set by bfd.c handler */
- if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL) /*||
- (obj_textsec (abfd)->_cooked_size == 0) || (obj_datasec (abfd)->_cooked_size == 0)*/ )
- {
- bfd_set_error (bfd_error_invalid_operation);
- return false;
- }
+ if (! aout_32_make_sections (abfd))
+ return false;
obj_textsec (abfd)->filepos = sizeof (struct internal_exec);
obj_datasec (abfd)->filepos = obj_textsec (abfd)->filepos
}
/* regardless, once we know what we're doing, we might as well get going */
- bfd_seek (abfd, section->filepos + offset, SEEK_SET);
+ if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
+ return false;
if (count != 0)
{
static int
os9k_sizeof_headers (ignore_abfd, ignore)
- bfd *ignore_abfd;
- boolean ignore;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
+ boolean ignore ATTRIBUTE_UNUSED;
{
return sizeof (struct internal_exec);
}
/***********************************************************************/
-/* We don't have core files. */
-#define aout_32_core_file_failing_command _bfd_dummy_core_file_failing_command
-#define aout_32_core_file_failing_signal _bfd_dummy_core_file_failing_signal
-#define aout_32_core_file_matches_executable_p \
- _bfd_dummy_core_file_matches_executable_p
-
-/* We use BSD-Unix generic archive files. */
-#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define aout_32_slurp_armap bfd_slurp_bsd_armap
-#define aout_32_slurp_extended_name_table _bfd_slurp_extended_name_table
-#define aout_32_write_armap bsd_write_armap
-#define aout_32_truncate_arname bfd_bsd_truncate_arname
-
-/* We override these routines from the usual a.out file routines. */
-#define aout_32_canonicalize_reloc bfd_canonicalize_reloc
-#define aout_32_get_reloc_upper_bound bfd_get_reloc_upper_bound
-#define aout_32_set_section_contents bfd_set_section_contents
-#define aout_32_set_arch_mach bfd_default_set_arch_mach
-#define aout_32_sizeof_headers os9k_sizeof_headers
-
-#define aout_32_bfd_debug_info_start bfd_void
-#define aout_32_bfd_debug_info_end bfd_void
-#define aout_32_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
-
-#define aout_32_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-#define aout_32_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define aout_32_bfd_link_add_symbols _bfd_generic_link_add_symbols
-#define aout_32_bfd_final_link _bfd_generic_final_link
-#define aout_32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define aout_32_bfd_relax_section bfd_generic_relax_section
-#define aout_32_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS \
-((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
-#define aout_32_bfd_free_cached_info bfd_true
-
-bfd_target i386os9k_vec =
+#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info
+
+#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_get_section_contents_in_window \
+ _bfd_generic_get_section_contents_in_window
+
+#define os9k_bfd_get_relocated_section_contents \
+ bfd_generic_get_relocated_section_contents
+#define os9k_bfd_relax_section bfd_generic_relax_section
+#define os9k_bfd_gc_sections bfd_generic_gc_sections
+#define os9k_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define os9k_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define os9k_bfd_final_link _bfd_generic_final_link
+#define os9k_bfd_link_split_section _bfd_generic_link_split_section
+
+const bfd_target i386os9k_vec =
{
"i386os9k", /* name */
bfd_target_os9k_flavour,
- false, /* data byte order is little */
- false, /* hdr byte order is big */
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_LITTLE, /* hdr byte order is little */
(HAS_RELOC | EXEC_P | WP_TEXT), /* object flags */
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD), /* section flags */
0, /* symbol leading char */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
- 2, /* minumum alignment power */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
{bfd_false, bfd_false, /* bfd_write_contents */
_bfd_write_archive_contents, bfd_false},
- JUMP_TABLE (aout_32),
+ BFD_JUMP_TABLE_GENERIC (aout_32),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
+ BFD_JUMP_TABLE_SYMBOLS (aout_32),
+ BFD_JUMP_TABLE_RELOCS (aout_32),
+ BFD_JUMP_TABLE_WRITE (aout_32),
+ BFD_JUMP_TABLE_LINK (os9k),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
(PTR) 0,
};
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