diff options
Diffstat (limited to 'binutils-2.17/bfd/i386msdos.c')
| -rw-r--r-- | binutils-2.17/bfd/i386msdos.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/binutils-2.17/bfd/i386msdos.c b/binutils-2.17/bfd/i386msdos.c deleted file mode 100644 index bb25acd7..00000000 --- a/binutils-2.17/bfd/i386msdos.c +++ /dev/null @@ -1,237 +0,0 @@ -/* BFD back-end for MS-DOS executables. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2001, 2002, - 2003, 2004, 2005 Free Software Foundation, Inc. - Written by Bryan Ford of the University of Utah. - - Contributed by the Center for Software Science at the - University of Utah (pa-gdb-bugs@cs.utah.edu). - - 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ - - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "libaout.h" - -#define EXE_MAGIC 0x5a4d -#define EXE_LOAD_HIGH 0x0000 -#define EXE_LOAD_LOW 0xffff -#define EXE_PAGE_SIZE 512 - -static int msdos_sizeof_headers - PARAMS ((bfd *, bfd_boolean)); -static bfd_boolean msdos_write_object_contents - PARAMS ((bfd *)); -static bfd_boolean msdos_set_section_contents - PARAMS ((bfd *, sec_ptr, const PTR, file_ptr, bfd_size_type)); - -static int -msdos_sizeof_headers (abfd, exec) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_boolean exec ATTRIBUTE_UNUSED; -{ - return 0; -} - -static bfd_boolean -msdos_write_object_contents (abfd) - bfd *abfd; -{ - static char hdr[EXE_PAGE_SIZE]; - file_ptr outfile_size = sizeof(hdr); - bfd_vma high_vma = 0; - asection *sec; - - /* Find the total size of the program on disk and in memory. */ - for (sec = abfd->sections; sec != (asection *) NULL; sec = sec->next) - { - if (sec->size == 0) - continue; - if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC) - { - bfd_vma sec_vma = bfd_get_section_vma (abfd, sec) + sec->size; - if (sec_vma > high_vma) - high_vma = sec_vma; - } - if (bfd_get_section_flags (abfd, sec) & SEC_LOAD) - { - file_ptr sec_end = (sizeof (hdr) - + bfd_get_section_vma (abfd, sec) - + sec->size); - if (sec_end > outfile_size) - outfile_size = sec_end; - } - } - - /* Make sure the program isn't too big. */ - if (high_vma > (bfd_vma)0xffff) - { - bfd_set_error(bfd_error_file_too_big); - return FALSE; - } - - /* Constants. */ - H_PUT_16 (abfd, EXE_MAGIC, &hdr[0]); - H_PUT_16 (abfd, EXE_PAGE_SIZE / 16, &hdr[8]); - H_PUT_16 (abfd, EXE_LOAD_LOW, &hdr[12]); - H_PUT_16 (abfd, 0x3e, &hdr[24]); - H_PUT_16 (abfd, 0x0001, &hdr[28]); /* XXX??? */ - H_PUT_16 (abfd, 0x30fb, &hdr[30]); /* XXX??? */ - H_PUT_16 (abfd, 0x726a, &hdr[32]); /* XXX??? */ - - /* Bytes in last page (0 = full page). */ - H_PUT_16 (abfd, outfile_size & (EXE_PAGE_SIZE - 1), &hdr[2]); - - /* Number of pages. */ - H_PUT_16 (abfd, (outfile_size + EXE_PAGE_SIZE - 1) / EXE_PAGE_SIZE, &hdr[4]); - - /* Set the initial stack pointer to the end of the bss. - The program's crt0 code must relocate it to a real stack. */ - H_PUT_16 (abfd, high_vma, &hdr[16]); - - if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 - || bfd_bwrite (hdr, (bfd_size_type) sizeof(hdr), abfd) != sizeof(hdr)) - return FALSE; - - return TRUE; -} - -static bfd_boolean -msdos_set_section_contents (abfd, section, location, offset, count) - bfd *abfd; - sec_ptr section; - const PTR location; - file_ptr offset; - bfd_size_type count; -{ - - if (count == 0) - return TRUE; - - section->filepos = EXE_PAGE_SIZE + bfd_get_section_vma (abfd, section); - - if (bfd_get_section_flags (abfd, section) & SEC_LOAD) - { - if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0 - || bfd_bwrite (location, count, abfd) != count) - return FALSE; - } - - return TRUE; -} - - - -#define msdos_mkobject aout_32_mkobject -#define msdos_make_empty_symbol aout_32_make_empty_symbol -#define msdos_bfd_reloc_type_lookup aout_32_reloc_type_lookup - -#define msdos_close_and_cleanup _bfd_generic_close_and_cleanup -#define msdos_bfd_free_cached_info _bfd_generic_bfd_free_cached_info -#define msdos_new_section_hook _bfd_generic_new_section_hook -#define msdos_get_section_contents _bfd_generic_get_section_contents -#define msdos_get_section_contents_in_window \ - _bfd_generic_get_section_contents_in_window -#define msdos_bfd_get_relocated_section_contents \ - bfd_generic_get_relocated_section_contents -#define msdos_bfd_relax_section bfd_generic_relax_section -#define msdos_bfd_gc_sections bfd_generic_gc_sections -#define msdos_bfd_merge_sections bfd_generic_merge_sections -#define msdos_bfd_is_group_section bfd_generic_is_group_section -#define msdos_bfd_discard_group bfd_generic_discard_group -#define msdos_section_already_linked \ - _bfd_generic_section_already_linked -#define msdos_bfd_link_hash_table_create _bfd_generic_link_hash_table_create -#define msdos_bfd_link_hash_table_free _bfd_generic_link_hash_table_free -#define msdos_bfd_link_add_symbols _bfd_generic_link_add_symbols -#define msdos_bfd_link_just_syms _bfd_generic_link_just_syms -#define msdos_bfd_final_link _bfd_generic_final_link -#define msdos_bfd_link_split_section _bfd_generic_link_split_section -#define msdos_set_arch_mach _bfd_generic_set_arch_mach - -#define msdos_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound -#define msdos_canonicalize_symtab _bfd_nosymbols_canonicalize_symtab -#define msdos_print_symbol _bfd_nosymbols_print_symbol -#define msdos_get_symbol_info _bfd_nosymbols_get_symbol_info -#define msdos_find_nearest_line _bfd_nosymbols_find_nearest_line -#define msdos_find_inliner_info _bfd_nosymbols_find_inliner_info -#define msdos_get_lineno _bfd_nosymbols_get_lineno -#define msdos_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) -#define msdos_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name -#define msdos_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol -#define msdos_read_minisymbols _bfd_nosymbols_read_minisymbols -#define msdos_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol - -#define msdos_canonicalize_reloc _bfd_norelocs_canonicalize_reloc -#define msdos_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound -#define msdos_32_bfd_link_split_section _bfd_generic_link_split_section - -const bfd_target i386msdos_vec = - { - "msdos", /* name */ - bfd_target_msdos_flavour, - BFD_ENDIAN_LITTLE, /* target byte order */ - BFD_ENDIAN_LITTLE, /* target headers byte order */ - (EXEC_P), /* object flags */ - (SEC_CODE | SEC_DATA | SEC_HAS_CONTENTS - | SEC_ALLOC | SEC_LOAD), /* section flags */ - 0, /* leading underscore */ - ' ', /* ar_pad_char */ - 16, /* ar_max_namelen */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ - - { - _bfd_dummy_target, - _bfd_dummy_target, /* bfd_check_format */ - _bfd_dummy_target, - _bfd_dummy_target, - }, - { - bfd_false, - msdos_mkobject, - _bfd_generic_mkarchive, - bfd_false, - }, - { /* bfd_write_contents */ - bfd_false, - msdos_write_object_contents, - _bfd_write_archive_contents, - bfd_false, - }, - - BFD_JUMP_TABLE_GENERIC (msdos), - BFD_JUMP_TABLE_COPY (_bfd_generic), - BFD_JUMP_TABLE_CORE (_bfd_nocore), - BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), - BFD_JUMP_TABLE_SYMBOLS (msdos), - BFD_JUMP_TABLE_RELOCS (msdos), - BFD_JUMP_TABLE_WRITE (msdos), - BFD_JUMP_TABLE_LINK (msdos), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), - - NULL, - - (PTR) 0 - }; - - |