*** empty log message ***

1 files changed, 754 insertions, 0 deletions

diff --git a/bfd/bout.c b/bfd/bout.c
new file mode 100644
index 0000000..5e854e0
--- /dev/null
+++ b/bfd/bout.c
@@ -0,0 +1,754 @@
+/* BFD back-end for i960 b.out binaries */
+
+/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+
+This file is part of BFD, the Binary File Diddler.
+
+BFD 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 1, or (at your option)
+any later version.
+
+BFD 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 BFD; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* $Id$ */
+
+#include <sysdep.h>
+#include "bfd.h"
+#include "libbfd.h"
+
+
+#include "bout.h"
+
+
+#include "stab.gnu.h"
+#include "liba.out.h"		/* BFD a.out internal data structures */
+#include "archures.h"
+
+/* Align an address by rounding it up to a power of two.  It leaves the
+   address unchanged if align == 0 (2^0 = alignment of 1 byte) */
+#define	i960_align(addr, align)	\
+	( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
+
+extern uint64_type _do_getl64 (), _do_getb64 ();
+extern uint32_type _do_getl32 (), _do_getb32 ();
+extern uint16_type _do_getl16 (), _do_getb16 ();
+extern void _do_putl64 (), _do_putb64 ();
+extern void _do_putl32 (), _do_putb32 ();
+extern void _do_putl16 (), _do_putb16 ();
+
+
+PROTO (static boolean, b_out_squirt_out_relocs,(bfd *abfd, asection *section));
+PROTO (static bfd_target *, b_out_callback, (bfd *));
+
+PROTO (boolean, aout_slurp_symbol_table, (bfd *abfd));
+PROTO (void , aout_write_syms, ());
+
+PROTO (static void, swap_exec_header, (bfd *abfd, struct exec *execp));
+
+static bfd_target *
+b_out_little_object_p (abfd)
+     bfd *abfd;
+{
+  unsigned char magicbytes[LONG_SIZE];
+  struct exec anexec;
+  
+  if (bfd_read ((PTR)magicbytes, 1, LONG_SIZE, abfd) != LONG_SIZE) {
+    bfd_error = system_call_error;
+    return 0;
+  }
+  anexec.a_magic = _do_getl32 (magicbytes);
+
+  if (N_BADMAG (anexec)) {
+    bfd_error = wrong_format;
+    return 0;
+  }
+  return some_aout_object_p (abfd, b_out_callback);
+}
+
+static bfd_target *
+b_out_big_object_p (abfd)
+     bfd *abfd;
+{
+  unsigned char magicbytes[LONG_SIZE];
+  struct exec anexec;
+
+  if (bfd_read ((PTR)magicbytes, 1, LONG_SIZE, abfd) != LONG_SIZE) {
+    bfd_error = system_call_error;
+    return 0;
+  }
+
+  anexec.a_magic = _do_getb32 (magicbytes);
+
+  if (N_BADMAG (anexec)) {
+    bfd_error = wrong_format;
+    return 0;
+  }
+  return some_aout_object_p (abfd, b_out_callback);
+}
+
+/* Finish up the opening of a b.out file for reading.  Fill in all the
+   fields that are not handled by common code.  */
+
+static bfd_target *
+b_out_callback (abfd)
+     bfd *abfd;
+{
+  struct exec anexec;
+  struct exec *execp = &anexec;
+  unsigned long bss_start;
+
+  /* Reread the exec header, because the common code didn't get all of
+     our extended header.  */
+
+  if (bfd_seek (abfd, 0L, SEEK_SET) < 0) {
+    bfd_error = system_call_error;
+    return 0;
+  }
+
+  /* FIXME, needs to be hacked for character array read-in ala sunos.c.  */
+  if (bfd_read ((PTR) execp, 1, sizeof (struct exec), abfd)
+      != sizeof (struct exec)) {
+    bfd_error = wrong_format;
+    return 0;
+  }
+
+  swap_exec_header (abfd, execp);
+
+  /* Architecture and machine type */
+  abfd->obj_arch = bfd_arch_i960;	/* B.out only used on i960 */
+  abfd->obj_machine = bfd_mach_i960_core;	/* Default */
+/* FIXME:  Set real machine type from file here */
+
+  /* The positions of the string table and symbol table.  */
+  obj_str_filepos (abfd) = N_STROFF (anexec);
+  obj_sym_filepos (abfd) = N_SYMOFF (anexec);
+
+  /* The alignments of the sections */
+  obj_textsec (abfd)->alignment_power = execp->a_talign;
+  obj_datasec (abfd)->alignment_power = execp->a_dalign;
+  obj_bsssec  (abfd)->alignment_power = execp->a_balign;
+
+  /* The starting addresses of the sections.  */
+  obj_textsec (abfd)->vma = anexec.a_tload;
+  obj_datasec (abfd)->vma = anexec.a_dload;
+  bss_start = anexec.a_dload + anexec.a_data; /* BSS = end of data section */
+  obj_bsssec (abfd)->vma = i960_align (bss_start, anexec.a_balign);
+
+  /* The file positions of the sections */
+  obj_textsec (abfd)->filepos = N_TXTOFF(anexec);
+  obj_datasec (abfd)->filepos = N_DATOFF(anexec);
+
+  /* The file positions of the relocation info */
+  obj_textsec (abfd)->rel_filepos = N_TROFF(anexec);
+  obj_datasec (abfd)->rel_filepos =  N_DROFF(anexec);
+
+  return abfd->xvec;
+}
+
+
+static boolean
+b_out_mkobject (abfd)
+     bfd *abfd;
+{
+  PTR  rawptr;
+
+  bfd_error = system_call_error;
+
+  /* Use an intermediate variable for clarity */
+  rawptr = (PTR) zalloc (sizeof (struct aoutdata) + sizeof (struct exec));
+
+  if (rawptr == (PTR)NULL) {
+    bfd_error = no_memory;
+    return false;
+  }
+
+  set_tdata(abfd, (struct aoutdata *) rawptr);
+  exec_hdr (abfd) = (struct exec *) ( (char*)rawptr + sizeof (struct aoutdata));
+
+  /* For simplicity's sake we just make all the sections right here. */
+  obj_textsec (abfd) = (asection *)NULL;
+  obj_datasec (abfd) = (asection *)NULL;
+  obj_bsssec (abfd) = (asection *)NULL;
+
+  bfd_make_section (abfd, ".text");
+  bfd_make_section (abfd, ".data");
+  bfd_make_section (abfd, ".bss");
+
+  return true;
+}
+
+static boolean
+b_out_write_object_contents (abfd)
+     bfd *abfd;
+{
+  struct exec swapped_hdr;
+
+  exec_hdr (abfd)->a_magic = BMAGIC;
+
+  exec_hdr (abfd)->a_text = obj_textsec (abfd)->size;
+  exec_hdr (abfd)->a_data = obj_datasec (abfd)->size;
+  exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->size;
+  exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
+  exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd);
+  exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) *
+                               sizeof (struct relocation_info));
+  exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) *
+                               sizeof (struct relocation_info));
+
+  exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power;
+  exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power;
+  exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power;
+
+  exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma;
+  exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma;
+
+  /* FIXME, turn the header into bytes here, to avoid problems with
+     sizes and alignments of its fields.  */
+  swapped_hdr = *exec_hdr(abfd);
+  swap_exec_header (abfd, &swapped_hdr);
+
+  bfd_seek (abfd, 0L, SEEK_SET);
+  bfd_write ((PTR) &swapped_hdr, 1, sizeof (struct exec), abfd);
+
+  /* Now write out reloc info, followed by syms and strings */
+  if (bfd_get_symcount (abfd) != 0) 
+    {
+      bfd_seek (abfd,
+		(long)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET);
+
+      aout_write_syms (abfd);
+
+      bfd_seek (abfd,	(long)(N_TROFF(*exec_hdr(abfd))), SEEK_SET);
+
+      if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
+      bfd_seek (abfd, (long)(N_DROFF(*exec_hdr(abfd))), SEEK_SET);
+
+      if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
+    }
+  return true;
+}
+
+static void
+swap_exec_header (abfd, execp)
+     bfd *abfd;
+     struct exec *execp;
+{
+#define swapme(field)	field = bfd_h_get_32 (abfd, (unsigned char *)&field);
+  swapme (execp->a_magic);
+  swapme (execp->a_text);
+  swapme (execp->a_data);
+  swapme (execp->a_bss);
+  swapme (execp->a_syms);
+  swapme (execp->a_entry);
+  swapme (execp->a_trsize);
+  swapme (execp->a_drsize);
+  swapme (execp->a_tload);
+  swapme (execp->a_dload);
+  /* talign, dalign, and balign are one-byte fields and don't swap.  */
+#undef swapme
+}
+
+/** Some reloc hackery */
+
+#define CALLS	 0x66003800	/* Template for 'calls' instruction	*/
+#define BAL	 0x0b000000	/* Template for 'bal' instruction	*/
+#define BAL_MASK 0x00ffffff
+
+static bfd_reloc_status_enum_type 
+callj_callback(abfd, reloc_entry, symbol_in, data, input_section)
+bfd *abfd;
+arelent *reloc_entry;
+asymbol *symbol_in;
+unsigned char *data;
+asection *input_section;
+{
+  int  word = bfd_get_32(abfd, data+reloc_entry->address);
+  aout_symbol_type  *symbol = aout_symbol(symbol_in);
+
+  if (IS_OTHER(symbol->other)) {
+    /* Call to a system procedure - replace code with system
+       procedure number 
+       */
+
+    word = CALLS | (symbol->other - 1);
+    bfd_put_32(abfd, word,  data+reloc_entry->address); /* replace */
+    return bfd_reloc_ok;
+  }
+    
+  if (IS_CALLNAME(symbol->other)) {
+    aout_symbol_type *balsym = symbol+1;
+    /* The next symbol should be an N_BALNAME */
+    BFD_ASSERT(IS_BALNAME(balsym->other));
+
+    /* We are calling a leaf - so replace the call instruction
+       with a bal */
+  
+    word = BAL |
+      (((word & BAL_MASK) +
+ 	balsym->symbol.section->output_offset +
+ 	balsym->symbol.section->output_section->vma+
+	balsym->symbol.value + reloc_entry->addend - 
+	( input_section->output_section->vma + input_section->output_offset))
+       & BAL_MASK);
+
+    bfd_put_32(abfd, word,  data+reloc_entry->address); /* replace */
+    return bfd_reloc_ok;
+  }
+  return bfd_reloc_continue;
+
+}
+/* type rshift size  bitsize  	pcrel	bitpos  absolute overflow check*/
+
+
+static reloc_howto_type howto_reloc_callj =
+HOWTO( 3, 0, 2, 24, true, 0, true, true, callj_callback,"callj", true, 0x00ffffff, 0x00ffffff,false);
+static  reloc_howto_type howto_reloc_abs32 =
+HOWTO(1, 0, 2, 32, false, 0, true, true,0,"abs32", true, 0xffffffff,0xffffffff,false);
+static reloc_howto_type howto_reloc_pcrel24 =
+HOWTO(2, 0, 2, 24, true, 0, true, true,0,"pcrel24", true, 0x00ffffff,0x00ffffff,false);
+
+/* Allocate enough room for all the reloc entries, plus pointers to them all */
+
+static boolean
+b_out_slurp_reloc_table (abfd, asect, symbols)
+     bfd *abfd;
+     sec_ptr asect;
+     asymbol **symbols;
+{
+  unsigned int count;
+  size_t  reloc_size;
+  struct relocation_info *relocs;
+  arelent *reloc_cache;
+
+  if (asect->relocation) return true;
+  if (!aout_slurp_symbol_table (abfd)) return false;
+
+  if (asect == obj_datasec (abfd)) {
+    reloc_size = exec_hdr(abfd)->a_drsize;
+    goto doit;
+  }
+
+  if (asect == obj_textsec (abfd)) {
+    reloc_size = exec_hdr(abfd)->a_trsize;
+    goto doit;
+  }
+
+  bfd_error = invalid_operation;
+  return false;
+
+ doit:
+  bfd_seek (abfd, (long)(asect->rel_filepos), SEEK_SET);
+  count = reloc_size / sizeof (struct relocation_info);
+
+  relocs = (struct relocation_info *) malloc (reloc_size);
+  if (!relocs) {
+    bfd_error = no_memory;
+    return false;
+  }
+  reloc_cache = (arelent *) malloc ((count+1) * sizeof (arelent));
+  if (!reloc_cache) {
+    free ((char*)relocs);
+    bfd_error = no_memory;
+    return false;
+  }
+
+  if (bfd_read ((PTR) relocs, 1, reloc_size, abfd) != reloc_size) {
+    bfd_error = system_call_error;
+    free (reloc_cache);
+    free (relocs);
+    return false;
+  }
+
+  {
+    register struct relocation_info *rptr = relocs;
+    unsigned int counter = 0;
+    arelent *cache_ptr = reloc_cache;
+    int extern_mask, pcrel_mask, callj_mask;
+  
+    if (abfd->xvec->header_byteorder_big_p) {
+      /* Big-endian bit field allocation order */
+      pcrel_mask  = 0x80;
+      extern_mask = 0x10;
+      callj_mask  = 0x02;
+    } else {
+      /* Little-endian bit field allocation order */
+      pcrel_mask  = 0x01;
+      extern_mask = 0x08;
+      callj_mask  = 0x40;
+    }
+
+    for (; counter < count; counter++, rptr++, cache_ptr++) 
+      {
+	unsigned char *raw = (unsigned char *)rptr;
+	unsigned int symnum;
+	cache_ptr->address = bfd_h_get_32 (abfd, raw + 0);
+ 	if (abfd->xvec->header_byteorder_big_p) {
+	  symnum = (raw[4] << 16) | (raw[5] << 8) | raw[6];
+ 	} else {
+	  symnum = (raw[6] << 16) | (raw[5] << 8) | raw[4];
+	}
+
+	if (raw[7] & extern_mask) {
+	  /* If this is set then the r_index is a index into the symbol table;
+	   * if the bit is not set then r_index contains a section map.
+	   * We either fill in the sym entry with a pointer to the symbol,
+	   * or point to the correct section
+	   */
+	  cache_ptr->sym_ptr_ptr = symbols + symnum;
+	  cache_ptr->addend = 0;
+	  cache_ptr->section = (asection*)NULL;
+	} else {
+	  /* In a.out symbols are relative to the beginning of the
+	   * file rather than sections ?
+	   * (look in translate_from_native_sym_flags)
+	   * The reloc entry addend has added to it the offset into the
+	   * file of the data, so subtract the base to make the reloc
+	   * section relative */
+	  cache_ptr->sym_ptr_ptr = (asymbol **)NULL;
+	  switch (symnum) {
+	  case N_TEXT:
+	  case N_TEXT | N_EXT:
+	    cache_ptr->section = obj_textsec(abfd);
+	    cache_ptr->addend = -obj_textsec(abfd)->vma;
+	    break;
+	  case N_DATA:
+	  case N_DATA | N_EXT:
+	    cache_ptr->section = obj_datasec(abfd);
+	    cache_ptr->addend = - obj_datasec(abfd)->vma;
+	    break;
+	  case N_BSS:
+	  case N_BSS | N_EXT:
+	    cache_ptr->section = obj_bsssec(abfd);
+	    cache_ptr->addend =  - obj_bsssec(abfd)->vma;
+	    break;
+	  case N_ABS:
+	  case N_ABS | N_EXT:
+	    BFD_ASSERT(0);
+	    break;
+	  default:
+	    BFD_ASSERT(0);
+	    break;
+	  }
+	
+	}
+
+ 	/* The i960 only has a few relocation types:
+	   abs 32-bit and pcrel 24bit.   Except for callj's!  */
+	if (raw[7] & callj_mask)
+	  cache_ptr->howto = &howto_reloc_callj;
+	else if ( raw[7] & pcrel_mask)
+	  cache_ptr->howto = &howto_reloc_pcrel24;
+	else
+	  cache_ptr->howto = &howto_reloc_abs32;
+      }
+  }
+
+  free (relocs);
+  asect->relocation = reloc_cache;
+  asect->reloc_count = count;
+  return true;
+}
+
+
+static boolean
+b_out_squirt_out_relocs (abfd, section)
+     bfd *abfd;
+     asection *section;
+{
+  arelent **generic;
+
+  unsigned int count = section->reloc_count;
+  struct relocation_info *native, *natptr;
+  size_t natsize = count * sizeof (struct relocation_info);
+  int extern_mask, pcrel_mask,  len_2, callj_mask;
+  if (count == 0) return true;
+  generic   = section->orelocation;
+  native = ((struct relocation_info *) malloc (natsize));
+  if (!native) {
+    bfd_error = no_memory;
+    return false;
+  }
+
+   if (abfd->xvec->header_byteorder_big_p) {
+       /* Big-endian bit field allocation order */
+       pcrel_mask  = 0x80;
+       extern_mask = 0x10;
+       len_2       = 0x40;
+      callj_mask  = 0x02;
+   } else {
+       /* Little-endian bit field allocation order */
+       pcrel_mask  = 0x01;
+       extern_mask = 0x08;
+       len_2       = 0x04;
+      callj_mask  = 0x40;
+   }
+
+  for (natptr = native; count > 0; --count, ++natptr, ++generic) 
+    {
+      arelent *g = *generic;
+      unsigned char *raw = (unsigned char *)natptr;
+      unsigned int symnum;
+
+      bfd_h_put_32(abfd, g->address, raw);  
+      /* Find a type in the output format which matches the input howto - 
+       * at the moment we assume input format == output format FIXME!!
+       */
+      /* FIXME:  Need callj stuff here, and to check the howto entries to
+	 be sure they are real for this architecture.  */
+      if (g->howto== &howto_reloc_callj) {
+	raw[7] = callj_mask + pcrel_mask + len_2;
+      }
+      else if (g->howto == &howto_reloc_pcrel24) {
+	raw[7] = pcrel_mask +len_2;
+      }
+      else {
+	raw[7] = len_2;
+      }
+      if (g->sym_ptr_ptr != (asymbol **)NULL) 
+	{
+	  /* name clobbered by aout_write_syms to be symbol index*/
+	  if ((*(g->sym_ptr_ptr))->section) {
+	    /* replace the section offset into the addent */
+	    g->addend += (*(g->sym_ptr_ptr))->section->vma ;
+	  }
+	  symnum = stoi((*(g->sym_ptr_ptr))->name);
+	  raw[7] |= extern_mask;
+	  BFD_ASSERT(g->addend == 0);
+	}
+      else {
+	if (g->section == (asection *)NULL) {
+	  symnum = N_ABS;
+	  BFD_ASSERT(0);
+	}
+	else  if(g->section->output_section == obj_textsec(abfd)) {
+	  symnum = N_TEXT;
+	  BFD_ASSERT(g->addend == 0);
+	}
+	else if (g->section->output_section == obj_datasec(abfd)) {
+	  symnum  = N_DATA;
+	  BFD_ASSERT(g->addend + obj_textsec(abfd)->size == 0);
+	}
+	else if (g->section->output_section == obj_bsssec(abfd)) {
+	  symnum = N_BSS;
+	  BFD_ASSERT(g->addend + obj_textsec(abfd)->size 
+	    + obj_datasec(abfd)->size == 0);
+
+	}
+	else {
+	  BFD_ASSERT(0);
+	}
+      }
+      if (abfd->xvec->header_byteorder_big_p) {
+	raw[4] = (unsigned char) (symnum >> 16);
+	raw[5] = (unsigned char) (symnum >>  8);
+	raw[6] = (unsigned char) (symnum      );
+      } else {
+	raw[6] = (unsigned char) (symnum >> 16);
+	raw[5] = (unsigned char) (symnum >>  8);
+	raw[4] = (unsigned char) (symnum      );
+      }  
+    }
+
+  if ( bfd_write ((PTR) native, 1, natsize, abfd) != natsize) {
+    free((PTR)native);
+    return false;
+  }
+  free ((PTR)native);
+
+  return true;
+}
+
+/* This is stupid.  This function should be a boolean predicate */
+static unsigned int
+b_out_canonicalize_reloc (abfd, section, relptr, symbols)
+     bfd *abfd;
+     sec_ptr section;
+     arelent **relptr;
+     asymbol **symbols;
+{
+  arelent *tblptr = section->relocation;
+  unsigned int count = 0;
+
+ if (!(tblptr || b_out_slurp_reloc_table (abfd, section, symbols))) return 0;
+  tblptr = section->relocation;
+ if (!tblptr) return 0;
+
+  for (; count++ < section->reloc_count;)
+    *relptr++ = tblptr++;
+
+  *relptr = 0;
+
+  return section->reloc_count;
+}
+
+static unsigned int
+b_out_get_reloc_upper_bound (abfd, asect)
+     bfd *abfd;
+     sec_ptr asect;
+{
+  if (bfd_get_format (abfd) != bfd_object) {
+    bfd_error = invalid_operation;
+    return 0;
+  }
+
+  if (asect == obj_datasec (abfd))
+    return (sizeof (arelent *) *
+	    ((exec_hdr(abfd)->a_drsize / sizeof (struct relocation_info))
+	     +1));
+
+  if (asect == obj_textsec (abfd))
+    return (sizeof (arelent *) *
+	    ((exec_hdr(abfd)->a_trsize / sizeof (struct relocation_info))
+	     +1));
+
+  bfd_error = invalid_operation;
+  return 0;
+}
+
+static boolean
+b_out_set_section_contents (abfd, section, location, offset, count)
+     bfd *abfd;
+     sec_ptr section;
+     unsigned char *location;
+     file_ptr offset;
+      int count;
+{
+  if (abfd->output_has_begun == false) { /* set by bfd.c handler */
+    if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL) /*||
+        (obj_textsec (abfd)->size == 0) || (obj_datasec (abfd)->size == 0)*/) {
+      bfd_error = invalid_operation;
+      return false;
+    }
+
+    obj_textsec (abfd)->filepos = sizeof(struct exec);
+    obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos 
+                                +  obj_textsec (abfd)->size;
+
+  }
+  /* regardless, once we know what we're doing, we might as well get going */
+  bfd_seek (abfd, section->filepos + offset, SEEK_SET);
+
+  if (count != 0) {
+    return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false;
+  }
+  return false;
+}
+
+static boolean
+b_out_set_arch_mach (abfd, arch, machine)
+     bfd *abfd;
+     enum bfd_architecture arch;
+     unsigned long machine;
+{
+  abfd->obj_arch = arch;
+  abfd->obj_machine = machine;
+  if (arch == bfd_arch_unknown)	/* Unknown machine arch is OK */
+    return true;
+  if (arch == bfd_arch_i960)	/* i960 default is OK */
+    switch (machine) {
+    case bfd_mach_i960_core:
+    case bfd_mach_i960_kb_sb:
+    case bfd_mach_i960_mc:
+    case bfd_mach_i960_xa:
+    case bfd_mach_i960_ca:
+    case bfd_mach_i960_ka_sa:
+      return true;
+    default:
+      return false;
+    }
+
+  return false;
+}
+
+static int 
+DEFUN(b_out_sizeof_headers,(abfd, exec),
+      bfd *abfd AND
+      boolean execable)
+{
+return sizeof(struct exec);
+}
+
+/* Build the transfer vectors for Big and Little-Endian B.OUT files.  */
+
+/* We don't have core files.  */
+#define	aout_core_file_failing_command	_bfd_dummy_core_file_failing_command
+#define	aout_core_file_failing_signal	_bfd_dummy_core_file_failing_signal
+#define	aout_core_file_matches_executable_p	\
+				_bfd_dummy_core_file_matches_executable_p
+
+/* We use BSD-Unix generic archive files.  */
+#define	aout_openr_next_archived_file	bfd_generic_openr_next_archived_file
+#define	aout_generic_stat_arch_elt	bfd_generic_stat_arch_elt
+#define	aout_slurp_armap		bfd_slurp_bsd_armap
+#define	aout_slurp_extended_name_table	bfd_true
+#define	aout_write_armap		bsd_write_armap
+#define	aout_truncate_arname		bfd_bsd_truncate_arname
+
+/* We override these routines from the usual a.out file routines.  */
+#define	aout_canonicalize_reloc		b_out_canonicalize_reloc
+#define	aout_get_reloc_upper_bound	b_out_get_reloc_upper_bound
+#define	aout_set_section_contents	b_out_set_section_contents
+#define	aout_set_arch_mach		b_out_set_arch_mach
+#define	aout_sizeof_headers		b_out_sizeof_headers
+
+
+bfd_target b_out_vec_big_host =
+{
+  "b.out.big",			/* name */
+  bfd_target_aout_flavour_enum,
+  false,			/* data byte order is little */
+  true,				/* hdr byte order is big */
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT ),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+  ' ',				/* ar_pad_char */
+  16,				/* ar_max_namelen */
+
+
+_do_getl64, _do_putl64,  _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
+_do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
+    {_bfd_dummy_target, b_out_big_object_p, /* bfd_check_format */
+       bfd_generic_archive_p, _bfd_dummy_target},
+    {bfd_false, b_out_mkobject,	/* bfd_set_format */
+       _bfd_generic_mkarchive, bfd_false},
+    {bfd_false, b_out_write_object_contents,	/* bfd_write_contents */
+       _bfd_write_archive_contents, bfd_false},
+
+  JUMP_TABLE(aout)
+};
+
+
+bfd_target b_out_vec_little_host =
+{
+  "b.out.little",		/* name */
+  bfd_target_aout_flavour_enum,
+  false,			/* data byte order is little */
+  false,			/* header byte order is little */
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT ),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+  ' ',				/* ar_pad_char */
+  16,				/* ar_max_namelen */
+	 
+_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 */
+	 
+    {_bfd_dummy_target, b_out_little_object_p, /* bfd_check_format */
+       bfd_generic_archive_p, _bfd_dummy_target},
+    {bfd_false, b_out_mkobject,	/* bfd_set_format */
+       _bfd_generic_mkarchive, bfd_false},
+    {bfd_false, b_out_write_object_contents,	/* bfd_write_contents */
+       _bfd_write_archive_contents, bfd_false},
+  JUMP_TABLE(aout)
+};
+