diff options
Diffstat (limited to 'bfd/aout-encap.c')
| -rw-r--r-- | bfd/aout-encap.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/bfd/aout-encap.c b/bfd/aout-encap.c deleted file mode 100644 index 77d63584bba..00000000000 --- a/bfd/aout-encap.c +++ /dev/null @@ -1,236 +0,0 @@ -/* BFD back-end for a.out files encapsulated with COFF headers. - Copyright 1990, 1991, 1994, 1995, 2000 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* THIS MODULE IS NOT FINISHED. IT PROBABLY DOESN'T EVEN COMPILE. */ - -#if 0 -#define TARGET_PAGE_SIZE 4096 -#define SEGMENT_SIZE TARGET_PAGE_SIZE -#define TEXT_START_ADDR 0 -#define BYTES_IN_WORD 4 -#endif - -#include "bfd.h" -#include <sysdep.h> -#include "libbfd.h" -#include <aout/aout64.h> -#include "aout/stab_gnu.h" -#include "aout/ar.h" -#include "libaout.h" /* BFD a.out internal data structures */ - -const bfd_target *encap_real_callback (); - -const bfd_target * -encap_object_p (abfd) - bfd *abfd; -{ - unsigned char magicbuf[4]; /* Raw bytes of magic number from file */ - unsigned long magic; /* Swapped magic number */ - short coff_magic; - struct external_exec exec_bytes; - struct internal_exec exec; - - if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) != - sizeof (magicbuf)) - { - if (bfd_get_error () != bfd_error_system_call) - bfd_set_error (bfd_error_wrong_format); - return 0; - } - - coff_magic = bfd_h_get_16 (abfd, magicbuf); - if (coff_magic != COFF_MAGIC) - return 0; /* Not an encap coff file */ - - __header_offset_temp==COFF_MAGIC ? sizeof (struct coffheader) : 0) - (fseek ((f), HEADER_OFFSET((f)), 1)) - - magic = bfd_h_get_32 (abfd, magicbuf); - - if (N_BADMAG (*((struct internal_exec *) &magic))) return 0; - - struct external_exec exec_bytes; - if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) - != EXEC_BYTES_SIZE) { - if (bfd_get_error () != bfd_error_system_call) - bfd_set_error (bfd_error_wrong_format); - return 0; - } - NAME(aout,swap_exec_header_in) (abfd, &exec_bytes, &exec); - - return aout_32_some_aout_object_p (abfd, &exec, encap_realcallback); -} - -/* Finish up the reading of a encapsulated-coff a.out file header */ -const bfd_target * -encap_real_callback (abfd) - bfd *abfd; -{ - struct internal_exec *execp = exec_hdr (abfd); - - MY(callback) (abfd, execp); - - /* If we have a coff header, it can give us better values for - text_start and exec_data_start. This is particularly useful - for remote debugging of embedded systems. */ - if (N_FLAGS(exec_aouthdr) & N_FLAGS_COFF_ENCAPSULATE) - { - struct coffheader ch; - int val; - val = lseek (execchan, -(sizeof (AOUTHDR) + sizeof (ch)), 1); - if (val == -1) - perror_with_name (filename); - val = myread (execchan, &ch, sizeof (ch)); - if (val < 0) - perror_with_name (filename); - text_start = ch.text_start; - exec_data_start = ch.data_start; - } else - { - text_start = - IS_OBJECT_FILE (exec_aouthdr) ? 0 : N_TXTADDR (exec_aouthdr); - exec_data_start = IS_OBJECT_FILE (exec_aouthdr) - ? exec_aouthdr.a_text : N_DATADDR (exec_aouthdr); - } - - /* Determine the architecture and machine type of the object file. */ - bfd_default_set_arch_mach(abfd, bfd_arch_m68k, 0); /* FIXME */ - - return abfd->xvec; -} - -/* Write an object file in Encapsulated COFF format. - Section contents have already been written. We write the - file header, symbols, and relocation. */ - -boolean -encap_write_object_contents (abfd) - bfd *abfd; -{ - bfd_size_type data_pad = 0; - struct external_exec exec_bytes; - struct internal_exec *execp = exec_hdr (abfd); - -/****** FIXME: Fragments from the old GNU LD program for dealing with - encap coff. */ -struct coffheader coffheader; -int need_coff_header; - - /* Determine whether to count the header as part of - the text size, and initialize the text size accordingly. - This depends on the kind of system and on the output format selected. */ - - N_SET_MAGIC (outheader, magic); -#ifdef INITIALIZE_HEADER - INITIALIZE_HEADER; -#endif - - text_size = sizeof (struct exec); -#ifdef COFF_ENCAPSULATE - if (relocatable_output == 0 && file_table[0].just_syms_flag == 0) - { - need_coff_header = 1; - /* set this flag now, since it will change the values of N_TXTOFF, etc */ - N_SET_FLAGS (outheader, aout_backend_info (abfd)->exec_hdr_flags); - text_size += sizeof (struct coffheader); - } -#endif - -#ifdef COFF_ENCAPSULATE - if (need_coff_header) - { - /* We are encapsulating BSD format within COFF format. */ - struct coffscn *tp, *dp, *bp; - - tp = &coffheader.scns[0]; - dp = &coffheader.scns[1]; - bp = &coffheader.scns[2]; - - strcpy (tp->s_name, ".text"); - tp->s_paddr = text_start; - tp->s_vaddr = text_start; - tp->s_size = text_size; - tp->s_scnptr = sizeof (struct coffheader) + sizeof (struct exec); - tp->s_relptr = 0; - tp->s_lnnoptr = 0; - tp->s_nreloc = 0; - tp->s_nlnno = 0; - tp->s_flags = 0x20; - strcpy (dp->s_name, ".data"); - dp->s_paddr = data_start; - dp->s_vaddr = data_start; - dp->s_size = data_size; - dp->s_scnptr = tp->s_scnptr + tp->s_size; - dp->s_relptr = 0; - dp->s_lnnoptr = 0; - dp->s_nreloc = 0; - dp->s_nlnno = 0; - dp->s_flags = 0x40; - strcpy (bp->s_name, ".bss"); - bp->s_paddr = dp->s_vaddr + dp->s_size; - bp->s_vaddr = bp->s_paddr; - bp->s_size = bss_size; - bp->s_scnptr = 0; - bp->s_relptr = 0; - bp->s_lnnoptr = 0; - bp->s_nreloc = 0; - bp->s_nlnno = 0; - bp->s_flags = 0x80; - - coffheader.f_magic = COFF_MAGIC; - coffheader.f_nscns = 3; - /* store an unlikely time so programs can - * tell that there is a bsd header - */ - coffheader.f_timdat = 1; - coffheader.f_symptr = 0; - coffheader.f_nsyms = 0; - coffheader.f_opthdr = 28; - coffheader.f_flags = 0x103; - /* aouthdr */ - coffheader.magic = ZMAGIC; - coffheader.vstamp = 0; - coffheader.tsize = tp->s_size; - coffheader.dsize = dp->s_size; - coffheader.bsize = bp->s_size; - coffheader.entry = outheader.a_entry; - coffheader.text_start = tp->s_vaddr; - coffheader.data_start = dp->s_vaddr; - } -#endif - -#ifdef COFF_ENCAPSULATE - if (need_coff_header) - mywrite (&coffheader, sizeof coffheader, 1, outdesc); -#endif - -#ifndef COFF_ENCAPSULATE - padfile (N_TXTOFF (outheader) - sizeof outheader, outdesc); -#endif - - text_size -= N_TXTOFF (outheader); - WRITE_HEADERS(abfd, execp); - return true; -} - -#define MY_write_object_content encap_write_object_contents -#define MY_object_p encap_object_p -#define MY_exec_hdr_flags N_FLAGS_COFF_ENCAPSULATE - -#include "aout-target.h" |