/* BFD back-end for os9000 i386 binaries.
- Copyright 1990, 1991, 1992, 1993 1994 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
/* 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
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);
}
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;
}
/* 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)
{
/***********************************************************************/
-/* 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_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 os9k_bfd_get_relocated_section_contents \
+ bfd_generic_get_relocated_section_contents
+#define os9k_bfd_relax_section bfd_generic_relax_section
+#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
+
bfd_target i386os9k_vec =
{
"i386os9k", /* name */
{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),
+
(PTR) 0,
};
projects / deliverable / binutils-gdb.git / blobdiff