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- /* Define a target vector and some small routines for a variant of a.out.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "aout/aout64.h"
- #include "aout/stab_gnu.h"
- #include "aout/ar.h"
- /*#include "libaout.h"*/
-
- /* Set parameters about this a.out file that are machine-dependent.
- This routine is called from some_aout_object_p just before it returns. */
- static bfd_target *
- DEFUN(MY(callback),(abfd),
- bfd *abfd)
- {
- struct internal_exec *execp = exec_hdr (abfd);
-
- /* Calculate the file positions of the parts of a newly read aout header */
- obj_textsec (abfd)->_raw_size = N_TXTSIZE(*execp);
-
- /* The virtual memory addresses of the sections */
- obj_textsec (abfd)->vma = N_TXTADDR(*execp);
- obj_datasec (abfd)->vma = N_DATADDR(*execp);
- obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
-
- /* The file offsets of the sections */
- obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
- obj_datasec (abfd)->filepos = N_DATOFF (*execp);
-
- /* The file offsets of the relocation info */
- obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp);
- obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp);
-
- /* The file offsets of the string table and symbol table. */
- obj_sym_filepos (abfd) = N_SYMOFF (*execp);
- obj_str_filepos (abfd) = N_STROFF (*execp);
-
- /* Determine the architecture and machine type of the object file. */
- #ifdef SET_ARCH_MACH
- SET_ARCH_MACH(abfd, *execp);
- #else
- bfd_default_set_arch_mach(abfd, DEFAULT_ARCH, 0);
- #endif
-
- adata(abfd).page_size = PAGE_SIZE;
- #ifdef SEGMENT_SIZE
- adata(abfd).segment_size = SEGMENT_SIZE;
- #else
- adata(abfd).segment_size = PAGE_SIZE;
- #endif
- adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
-
- return abfd->xvec;
- }
-
- #ifndef MY_object_p
- /* Finish up the reading of an a.out file header */
-
- static bfd_target *
- DEFUN(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;
-
- if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
- != EXEC_BYTES_SIZE) {
- bfd_error = wrong_format;
- return 0;
- }
-
- exec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
-
- if (N_BADMAG (exec)) return 0;
-
- NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, &exec);
- target = NAME(aout,some_aout_object_p) (abfd, &exec, MY(callback));
-
- #ifdef ENTRY_CAN_BE_ZERO
- /* The NEWSOS3 entry-point is/was 0, which (amongst other lossage)
- * means that it isn't obvious if EXEC_P should be set.
- * All of the following must be true for an executable:
- * There must be no relocations, the bfd can be neither an
- * archive nor an archive element, and the file must be executable. */
-
- if (exec.a_trsize + exec.a_drsize == 0
- && bfd_get_format(abfd) == bfd_object && abfd->my_archive == NULL)
- {
- struct stat buf;
- #ifndef S_IXUSR
- #define S_IXUSR 0100 /* Execute by owner. */
- #endif
- if (stat(abfd->filename, &buf) == 0 && (buf.st_mode & S_IXUSR))
- abfd->flags |= EXEC_P;
- }
- #endif /* ENTRY_CAN_BE_ZERO */
-
- return target;
- }
- #define MY_object_p MY(object_p)
- #endif
-
-
- #ifndef MY_mkobject
- static boolean
- DEFUN(MY(mkobject),(abfd),
- bfd *abfd)
- {
- if (NAME(aout,mkobject)(abfd) == false)
- return false;
- adata(abfd).page_size = PAGE_SIZE;
- #ifdef SEGMENT_SIZE
- adata(abfd).segment_size = SEGMENT_SIZE;
- #else
- adata(abfd).segment_size = PAGE_SIZE;
- #endif
- adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
- return true;
- }
- #define MY_mkobject MY(mkobject)
- #endif
-
- /* Write an object file.
- Section contents have already been written. We write the
- file header, symbols, and relocation. */
-
- #ifndef MY_write_object_contents
- static boolean
- DEFUN(MY(write_object_contents),(abfd),
- bfd *abfd)
- {
- bfd_size_type data_pad = 0;
- struct external_exec exec_bytes;
- struct internal_exec *execp = exec_hdr (abfd);
-
- #if CHOOSE_RELOC_SIZE
- CHOOSE_RELOC_SIZE(abfd);
- #else
- obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
- #endif
-
- WRITE_HEADERS(abfd, execp);
-
- return true;
- }
- #define MY_write_object_contents MY(write_object_contents)
- #endif
-
- /* We assume BFD generic archive files. */
- #ifndef MY_openr_next_archived_file
- #define MY_openr_next_archived_file bfd_generic_openr_next_archived_file
- #endif
- #ifndef MY_generic_stat_arch_elt
- #define MY_generic_stat_arch_elt bfd_generic_stat_arch_elt
- #endif
- #ifndef MY_slurp_armap
- #define MY_slurp_armap bfd_slurp_bsd_armap
- #endif
- #ifndef MY_slurp_extended_name_table
- #define MY_slurp_extended_name_table bfd_true
- #endif
- #ifndef MY_write_armap
- #define MY_write_armap bsd_write_armap
- #endif
- #ifndef MY_truncate_arname
- #define MY_truncate_arname bfd_bsd_truncate_arname
- #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
- #endif
- #ifndef MY_core_file_failing_signal
- #define MY_core_file_failing_signal _bfd_dummy_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
- #endif
- #ifndef MY_core_file_p
- #define MY_core_file_p _bfd_dummy_target
- #endif
-
- #ifndef MY_bfd_debug_info_start
- #define MY_bfd_debug_info_start bfd_void
- #endif
- #ifndef MY_bfd_debug_info_end
- #define MY_bfd_debug_info_end bfd_void
- #endif
- #ifndef MY_bfd_debug_info_accumulate
- #define MY_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
- #endif
-
- #ifndef MY_core_file_failing_command
- #define MY_core_file_failing_command NAME(aout,core_file_failing_command)
- #endif
- #ifndef MY_core_file_failing_signal
- #define MY_core_file_failing_signal NAME(aout,core_file_failing_signal)
- #endif
- #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_new_section_hook
- #define MY_new_section_hook NAME(aout,new_section_hook)
- #endif
- #ifndef MY_get_symtab_upper_bound
- #define MY_get_symtab_upper_bound NAME(aout,get_symtab_upper_bound)
- #endif
- #ifndef MY_get_symtab
- #define MY_get_symtab NAME(aout,get_symtab)
- #endif
- #ifndef MY_get_reloc_upper_bound
- #define MY_get_reloc_upper_bound NAME(aout,get_reloc_upper_bound)
- #endif
- #ifndef MY_canonicalize_reloc
- #define MY_canonicalize_reloc NAME(aout,canonicalize_reloc)
- #endif
- #ifndef MY_make_empty_symbol
- #define MY_make_empty_symbol NAME(aout,make_empty_symbol)
- #endif
- #ifndef MY_print_symbol
- #define MY_print_symbol NAME(aout,print_symbol)
- #endif
- #ifndef MY_get_lineno
- #define MY_get_lineno NAME(aout,get_lineno)
- #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_debug_info_start
- #define MY_bfd_debug_info_start NAME(aout,bfd_debug_info_start)
- #endif
- #ifndef MY_bfd_debug_info_end
- #define MY_bfd_debug_info_end NAME(aout,bfd_debug_info_end)
- #endif
- #ifndef MY_bfd_debug_info_accumulat
- #define MY_bfd_debug_info_accumulat NAME(aout,bfd_debug_info_accumulat)
- #endif
-
- 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) */
- #else
- false, /* target byte order (little) */
- false, /* 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 */
- ' ', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 1, /* minimum alignment */
- #ifdef TARGET_IS_BIG_ENDIAN_P
- _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
- _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
- #else
- _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
- _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
- #endif
- {_bfd_dummy_target, MY_object_p, /* bfd_check_format */
- bfd_generic_archive_p, MY_core_file_p},
- {bfd_false, MY_mkobject, /* bfd_set_format */
- _bfd_generic_mkarchive, bfd_false},
- {bfd_false, MY_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- MY_core_file_failing_command,
- MY_core_file_failing_signal,
- MY_core_file_matches_executable_p,
- MY_slurp_armap,
- MY_slurp_extended_name_table,
- MY_truncate_arname,
- MY_write_armap,
- MY_close_and_cleanup,
- MY_set_section_contents,
- MY_get_section_contents,
- MY_new_section_hook,
- MY_get_symtab_upper_bound,
- MY_get_symtab,
- MY_get_reloc_upper_bound,
- MY_canonicalize_reloc,
- MY_make_empty_symbol,
- MY_print_symbol,
- MY_get_lineno,
- MY_set_arch_mach,
- MY_openr_next_archived_file,
- MY_find_nearest_line,
- MY_generic_stat_arch_elt,
- MY_sizeof_headers,
- MY_bfd_debug_info_start,
- MY_bfd_debug_info_end,
- MY_bfd_debug_info_accumulate,
- bfd_generic_get_relocated_section_contents,
- bfd_generic_relax_section
- };
-