/* Define a target vector and some small routines for a variant of a.out.
- Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 1997
+ Free Software Foundation, Inc.
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 "aout/aout64.h"
#include "aout/stab_gnu.h"
#include "aout/ar.h"
/*#include "libaout.h"*/
-extern CONST struct reloc_howto_struct * NAME(aout,reloc_type_lookup) ();
+#ifndef SEGMENT_SIZE
+#define SEGMENT_SIZE TARGET_PAGE_SIZE
+#endif
+
+extern reloc_howto_type * NAME(aout,reloc_type_lookup)
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
/* Set parameters about this a.out file that are machine-dependent.
This routine is called from some_aout_object_p just before it returns. */
#ifndef MY_callback
-static bfd_target *
+
+static const bfd_target *MY(callback) PARAMS ((bfd *));
+
+static const bfd_target *
MY(callback) (abfd)
bfd *abfd;
{
struct internal_exec *execp = exec_hdr (abfd);
+ unsigned int arch_align_power;
+ unsigned long arch_align;
/* Calculate the file positions of the parts of a newly read aout header */
obj_textsec (abfd)->_raw_size = N_TXTSIZE(*execp);
obj_datasec (abfd)->vma = N_DATADDR(*execp);
obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
+ /* For some targets, if the entry point is not in the same page
+ as the start of the text, then adjust the VMA so that it is.
+ FIXME: Do this with a macro like SET_ARCH_MACH instead? */
+ if (aout_backend_info (abfd)->entry_is_text_address
+ && execp->a_entry > obj_textsec (abfd)->vma)
+ {
+ bfd_vma adjust;
+
+ adjust = execp->a_entry - obj_textsec (abfd)->vma;
+ /* Adjust only by whole pages. */
+ adjust &= ~(TARGET_PAGE_SIZE - 1);
+ obj_textsec (abfd)->vma += adjust;
+ obj_datasec (abfd)->vma += adjust;
+ obj_bsssec (abfd)->vma += adjust;
+ }
+
+ /* Set the load addresses to be the same as the virtual addresses. */
+ obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
+ obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
+ obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
+
/* The file offsets of the sections */
obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
obj_datasec (abfd)->filepos = N_DATOFF (*execp);
bfd_default_set_arch_mach(abfd, DEFAULT_ARCH, 0);
#endif
+ /* The number of relocation records. This must be called after
+ SET_ARCH_MACH. It assumes that SET_ARCH_MACH will set
+ obj_reloc_entry_size correctly, if the reloc size is not
+ RELOC_STD_SIZE. */
+ obj_textsec (abfd)->reloc_count =
+ execp->a_trsize / obj_reloc_entry_size (abfd);
+ obj_datasec (abfd)->reloc_count =
+ execp->a_drsize / obj_reloc_entry_size (abfd);
+
+ /* Now that we know the architecture, set the alignments of the
+ sections. This is normally done by NAME(aout,new_section_hook),
+ but when the initial sections were created the architecture had
+ not yet been set. However, for backward compatibility, we don't
+ set the alignment power any higher than as required by the size
+ of the section. */
+ arch_align_power = bfd_get_arch_info (abfd)->section_align_power;
+ arch_align = 1 << arch_align_power;
+ if ((BFD_ALIGN (obj_textsec (abfd)->_raw_size, arch_align)
+ == obj_textsec (abfd)->_raw_size)
+ && (BFD_ALIGN (obj_datasec (abfd)->_raw_size, arch_align)
+ == obj_datasec (abfd)->_raw_size)
+ && (BFD_ALIGN (obj_bsssec (abfd)->_raw_size, arch_align)
+ == obj_bsssec (abfd)->_raw_size))
+ {
+ obj_textsec (abfd)->alignment_power = arch_align_power;
+ obj_datasec (abfd)->alignment_power = arch_align_power;
+ obj_bsssec (abfd)->alignment_power = arch_align_power;
+ }
+
/* Don't set sizes now -- can't be sure until we know arch & mach.
Sizes get set in set_sizes callback, later. */
#if 0
- adata(abfd).page_size = PAGE_SIZE;
-#ifdef SEGMENT_SIZE
+ adata(abfd).page_size = TARGET_PAGE_SIZE;
adata(abfd).segment_size = SEGMENT_SIZE;
-#else
- adata(abfd).segment_size = PAGE_SIZE;
-#endif
adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
#endif
#ifndef MY_object_p
/* Finish up the reading of an a.out file header */
-static bfd_target *
+static const bfd_target *MY(object_p) PARAMS ((bfd *));
+
+static const bfd_target *
MY(object_p) (abfd)
bfd *abfd;
{
struct external_exec exec_bytes; /* Raw exec header from file */
struct internal_exec exec; /* Cleaned-up exec header */
- bfd_target *target;
+ const bfd_target *target;
if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
!= EXEC_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;
}
#endif
NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, &exec);
+
+#ifdef SWAP_MAGIC
+ /* swap_exec_header_in read in a_info with the wrong byte order */
+ exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
+#endif /* SWAP_MAGIC */
+
target = NAME(aout,some_aout_object_p) (abfd, &exec, MY(callback));
#ifdef ENTRY_CAN_BE_ZERO
#ifndef MY_mkobject
+
+static boolean MY(mkobject) PARAMS ((bfd *));
+
static boolean
MY(mkobject) (abfd)
bfd *abfd;
return false;
#if 0 /* Sizes get set in set_sizes callback, later, after we know
the architecture and machine. */
- adata(abfd).page_size = PAGE_SIZE;
-#ifdef SEGMENT_SIZE
+ adata(abfd).page_size = TARGET_PAGE_SIZE;
adata(abfd).segment_size = SEGMENT_SIZE;
-#else
- adata(abfd).segment_size = PAGE_SIZE;
-#endif
adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
#endif
return true;
#define MY_mkobject MY(mkobject)
#endif
+#ifndef MY_bfd_copy_private_section_data
+
+/* Copy private section data. This actually does nothing with the
+ sections. It copies the subformat field. We copy it here, because
+ we need to know whether this is a QMAGIC file before we set the
+ section contents, and copy_private_bfd_data is not called until
+ after the section contents have been set. */
+
+static boolean MY_bfd_copy_private_section_data
+ PARAMS ((bfd *, asection *, bfd *, asection *));
+
+/*ARGSUSED*/
+static boolean
+MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec)
+ bfd *ibfd;
+ asection *isec;
+ bfd *obfd;
+ asection *osec;
+{
+ if (bfd_get_flavour (ibfd) == bfd_target_aout_flavour
+ && bfd_get_flavour (obfd) == bfd_target_aout_flavour)
+ obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
+ return true;
+}
+
+#endif
+
/* Write an object file.
Section contents have already been written. We write the
file header, symbols, and relocation. */
#endif
#ifndef MY_set_sizes
+
+static boolean MY(set_sizes) PARAMS ((bfd *));
+
static boolean
MY(set_sizes) (abfd)
bfd *abfd;
{
- adata(abfd).page_size = PAGE_SIZE;
-#ifdef SEGMENT_SIZE
+ adata(abfd).page_size = TARGET_PAGE_SIZE;
adata(abfd).segment_size = SEGMENT_SIZE;
+
+#ifdef ZMAGIC_DISK_BLOCK_SIZE
+ adata(abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE;
#else
- adata(abfd).segment_size = PAGE_SIZE;
+ adata(abfd).zmagic_disk_block_size = TARGET_PAGE_SIZE;
#endif
+
adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
return true;
}
#define MY_set_sizes MY(set_sizes)
#endif
+#ifndef MY_exec_hdr_flags
+#define MY_exec_hdr_flags 0
+#endif
+
#ifndef MY_backend_data
-#ifndef MY_read_dynamic_symbols
-#define MY_read_dynamic_symbols 0
+#ifndef MY_zmagic_contiguous
+#define MY_zmagic_contiguous 0
+#endif
+#ifndef MY_text_includes_header
+#define MY_text_includes_header 0
+#endif
+#ifndef MY_entry_is_text_address
+#define MY_entry_is_text_address 0
+#endif
+#ifndef MY_exec_header_not_counted
+#define MY_exec_header_not_counted 0
+#endif
+#ifndef MY_add_dynamic_symbols
+#define MY_add_dynamic_symbols 0
+#endif
+#ifndef MY_add_one_symbol
+#define MY_add_one_symbol 0
#endif
-#ifndef MY_read_dynamic_relocs
-#define MY_read_dynamic_relocs 0
+#ifndef MY_link_dynamic_object
+#define MY_link_dynamic_object 0
+#endif
+#ifndef MY_write_dynamic_symbol
+#define MY_write_dynamic_symbol 0
+#endif
+#ifndef MY_check_dynamic_reloc
+#define MY_check_dynamic_reloc 0
+#endif
+#ifndef MY_finish_dynamic_link
+#define MY_finish_dynamic_link 0
#endif
static CONST struct aout_backend_data MY(backend_data) = {
- 0, /* zmagic contiguous */
- 0, /* text incl header */
+ MY_zmagic_contiguous,
+ MY_text_includes_header,
+ MY_entry_is_text_address,
+ MY_exec_hdr_flags,
0, /* text vma? */
MY_set_sizes,
- 0, /* exec header is counted */
- MY_read_dynamic_symbols,
- MY_read_dynamic_relocs
+ MY_exec_header_not_counted,
+ MY_add_dynamic_symbols,
+ MY_add_one_symbol,
+ MY_link_dynamic_object,
+ MY_write_dynamic_symbol,
+ MY_check_dynamic_reloc,
+ MY_finish_dynamic_link
};
#define MY_backend_data &MY(backend_data)
#endif
-#ifndef MY_bfd_final_link
+#ifndef MY_final_link_callback
-/* Final link routine. We need to use a call back to get the correct
- offsets in the output file. */
+/* Callback for the final_link routine to set the section offsets. */
-static void final_link_callback
+static void MY_final_link_callback
PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *));
static void
-final_link_callback (abfd, ptreloff, pdreloff, psymoff)
+MY_final_link_callback (abfd, ptreloff, pdreloff, psymoff)
bfd *abfd;
file_ptr *ptreloff;
file_ptr *pdreloff;
*psymoff = N_SYMOFF (*execp);
}
+#endif
+
+#ifndef MY_bfd_final_link
+
+/* Final link routine. We need to use a call back to get the correct
+ offsets in the output file. */
+
+static boolean MY_bfd_final_link PARAMS ((bfd *, struct bfd_link_info *));
+
static boolean
MY_bfd_final_link (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
{
- return NAME(aout,final_link) (abfd, info, final_link_callback);
+ return NAME(aout,final_link) (abfd, info, MY_final_link_callback);
}
#endif
#ifndef MY_openr_next_archived_file
#define MY_openr_next_archived_file bfd_generic_openr_next_archived_file
#endif
+#ifndef MY_get_elt_at_index
+#define MY_get_elt_at_index _bfd_generic_get_elt_at_index
+#endif
#ifndef MY_generic_stat_arch_elt
#define MY_generic_stat_arch_elt bfd_generic_stat_arch_elt
#endif
#ifndef MY_slurp_extended_name_table
#define MY_slurp_extended_name_table _bfd_slurp_extended_name_table
#endif
+#ifndef MY_construct_extended_name_table
+#define MY_construct_extended_name_table \
+ _bfd_archive_bsd_construct_extended_name_table
+#endif
#ifndef MY_write_armap
#define MY_write_armap bsd_write_armap
#endif
+#ifndef MY_read_ar_hdr
+#define MY_read_ar_hdr _bfd_generic_read_ar_hdr
+#endif
#ifndef MY_truncate_arname
#define MY_truncate_arname bfd_bsd_truncate_arname
#endif
+#ifndef MY_update_armap_timestamp
+#define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp
+#endif
/* No core file defined here -- configure in trad-core.c separately. */
#ifndef MY_core_file_failing_command
-#define MY_core_file_failing_command _bfd_dummy_core_file_failing_command
+#define MY_core_file_failing_command _bfd_nocore_core_file_failing_command
#endif
#ifndef MY_core_file_failing_signal
-#define MY_core_file_failing_signal _bfd_dummy_core_file_failing_signal
+#define MY_core_file_failing_signal _bfd_nocore_core_file_failing_signal
#endif
#ifndef MY_core_file_matches_executable_p
#define MY_core_file_matches_executable_p \
- _bfd_dummy_core_file_matches_executable_p
+ _bfd_nocore_core_file_matches_executable_p
#endif
#ifndef MY_core_file_p
#define MY_core_file_p _bfd_dummy_target
#ifndef MY_core_file_matches_executable_p
#define MY_core_file_matches_executable_p NAME(aout,core_file_matches_executable_p)
#endif
-#ifndef MY_slurp_armap
-#define MY_slurp_armap NAME(aout,slurp_armap)
-#endif
-#ifndef MY_slurp_extended_name_table
-#define MY_slurp_extended_name_table NAME(aout,slurp_extended_name_table)
-#endif
-#ifndef MY_truncate_arname
-#define MY_truncate_arname NAME(aout,truncate_arname)
-#endif
-#ifndef MY_write_armap
-#define MY_write_armap NAME(aout,write_armap)
-#endif
-#ifndef MY_close_and_cleanup
-#define MY_close_and_cleanup NAME(aout,close_and_cleanup)
-#endif
#ifndef MY_set_section_contents
#define MY_set_section_contents NAME(aout,set_section_contents)
#endif
#ifndef MY_get_section_contents
#define MY_get_section_contents NAME(aout,get_section_contents)
#endif
+#ifndef MY_get_section_contents_in_window
+#define MY_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
+#endif
#ifndef MY_new_section_hook
#define MY_new_section_hook NAME(aout,new_section_hook)
#endif
#ifndef MY_set_arch_mach
#define MY_set_arch_mach NAME(aout,set_arch_mach)
#endif
-#ifndef MY_openr_next_archived_file
-#define MY_openr_next_archived_file NAME(aout,openr_next_archived_file)
-#endif
#ifndef MY_find_nearest_line
#define MY_find_nearest_line NAME(aout,find_nearest_line)
#endif
-#ifndef MY_generic_stat_arch_elt
-#define MY_generic_stat_arch_elt NAME(aout,generic_stat_arch_elt)
-#endif
#ifndef MY_sizeof_headers
#define MY_sizeof_headers NAME(aout,sizeof_headers)
#endif
#ifndef MY_bfd_relax_section
#define MY_bfd_relax_section bfd_generic_relax_section
#endif
+#ifndef MY_bfd_gc_sections
+#define MY_bfd_gc_sections bfd_generic_gc_sections
+#endif
#ifndef MY_bfd_reloc_type_lookup
#define MY_bfd_reloc_type_lookup NAME(aout,reloc_type_lookup)
#endif
#ifndef MY_bfd_make_debug_symbol
#define MY_bfd_make_debug_symbol 0
#endif
+#ifndef MY_read_minisymbols
+#define MY_read_minisymbols NAME(aout,read_minisymbols)
+#endif
+#ifndef MY_minisymbol_to_symbol
+#define MY_minisymbol_to_symbol NAME(aout,minisymbol_to_symbol)
+#endif
#ifndef MY_bfd_link_hash_table_create
#define MY_bfd_link_hash_table_create NAME(aout,link_hash_table_create)
#endif
#ifndef MY_bfd_link_add_symbols
#define MY_bfd_link_add_symbols NAME(aout,link_add_symbols)
#endif
+#ifndef MY_bfd_link_split_section
+#define MY_bfd_link_split_section _bfd_generic_link_split_section
+#endif
+
+
+#ifndef MY_bfd_copy_private_bfd_data
+#define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
+#endif
+
+#ifndef MY_bfd_merge_private_bfd_data
+#define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
+#endif
+
+#ifndef MY_bfd_copy_private_symbol_data
+#define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
+#endif
+
+#ifndef MY_bfd_print_private_bfd_data
+#define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
+#endif
+
+#ifndef MY_bfd_set_private_flags
+#define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
+#endif
+
+#ifndef MY_bfd_is_local_label_name
+#define MY_bfd_is_local_label_name bfd_generic_is_local_label_name
+#endif
+
+#ifndef MY_bfd_free_cached_info
+#define MY_bfd_free_cached_info NAME(aout,bfd_free_cached_info)
+#endif
+
+#ifndef MY_close_and_cleanup
+#define MY_close_and_cleanup MY_bfd_free_cached_info
+#endif
+
+#ifndef MY_get_dynamic_symtab_upper_bound
+#define MY_get_dynamic_symtab_upper_bound \
+ _bfd_nodynamic_get_dynamic_symtab_upper_bound
+#endif
+#ifndef MY_canonicalize_dynamic_symtab
+#define MY_canonicalize_dynamic_symtab \
+ _bfd_nodynamic_canonicalize_dynamic_symtab
+#endif
+#ifndef MY_get_dynamic_reloc_upper_bound
+#define MY_get_dynamic_reloc_upper_bound \
+ _bfd_nodynamic_get_dynamic_reloc_upper_bound
+#endif
+#ifndef MY_canonicalize_dynamic_reloc
+#define MY_canonicalize_dynamic_reloc \
+ _bfd_nodynamic_canonicalize_dynamic_reloc
+#endif
/* Aout symbols normally have leading underscores */
#ifndef MY_symbol_leading_char
#endif
#ifndef MY_BFD_TARGET
-bfd_target MY(vec) =
+const bfd_target MY(vec) =
{
TARGETNAME, /* name */
bfd_target_aout_flavour,
#ifdef TARGET_IS_BIG_ENDIAN_P
- true, /* target byte order (big) */
- true, /* target headers byte order (big) */
+ BFD_ENDIAN_BIG, /* target byte order (big) */
+ BFD_ENDIAN_BIG, /* target headers byte order (big) */
#else
- false, /* target byte order (little) */
- false, /* target headers byte order (little) */
+ BFD_ENDIAN_LITTLE, /* target byte order (little) */
+ BFD_ENDIAN_LITTLE, /* target headers byte order (little) */
#endif
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
MY_symbol_leading_char,
AR_PAD_CHAR, /* ar_pad_char */
15, /* ar_max_namelen */
- 3, /* minimum alignment */
#ifdef TARGET_IS_BIG_ENDIAN_P
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
{bfd_false, MY_write_object_contents, /* bfd_write_contents */
_bfd_write_archive_contents, bfd_false},
- JUMP_TABLE (MY),
+ BFD_JUMP_TABLE_GENERIC (MY),
+ BFD_JUMP_TABLE_COPY (MY),
+ BFD_JUMP_TABLE_CORE (MY),
+ BFD_JUMP_TABLE_ARCHIVE (MY),
+ BFD_JUMP_TABLE_SYMBOLS (MY),
+ BFD_JUMP_TABLE_RELOCS (MY),
+ BFD_JUMP_TABLE_WRITE (MY),
+ BFD_JUMP_TABLE_LINK (MY),
+ BFD_JUMP_TABLE_DYNAMIC (MY),
+
(PTR) MY_backend_data,
};
#endif /* MY_BFD_TARGET */
projects / thirdparty / binutils-gdb.git / blobdiff